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anolis-glibc/glibc-LoongArch-Port.patch
wanghongliang c7e1f55389 glibc LoongArch Port. 
Signed-off-by: wanghongliang <wanghongliang@loongson.cn>
2022-12-28 10:04:48 +08:00

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From b8f82ee8df870058d80a7a51bea14465235f06d5 Mon Sep 17 00:00:00 2001
From: wanghongliang <wanghongliang@loongson.cn>
Date: Thu, 23 Jun 2022 10:29:34 +0800
Subject: [PATCH] glibc LoongArch Port.
add LoongArch architecture support.
Signed-off-by: wanghongliang <wanghongliang@loongson.cn>
---
README | 1 +
elf/elf.h | 84 +
scripts/config.sub | 7 +-
sysdeps/loongarch/Implies | 5 +
sysdeps/loongarch/Makefile | 32 +
sysdeps/loongarch/__longjmp.S | 50 +
sysdeps/loongarch/abort-instr.h | 2 +
sysdeps/loongarch/at_quick_exit.c | 1 +
sysdeps/loongarch/atexit.c | 1 +
sysdeps/loongarch/bits/endian.h | 9 +
sysdeps/loongarch/bits/fenv.h | 93 +
sysdeps/loongarch/bits/link.h | 56 +
sysdeps/loongarch/bits/setjmp.h | 39 +
sysdeps/loongarch/bits/wordsize.h | 22 +
sysdeps/loongarch/bsd-_setjmp.c | 1 +
sysdeps/loongarch/bsd-setjmp.c | 1 +
sysdeps/loongarch/configure | 4 +
sysdeps/loongarch/configure.ac | 6 +
sysdeps/loongarch/dl-irel.h | 51 +
sysdeps/loongarch/dl-machine.h | 366 +++
sysdeps/loongarch/dl-tls.h | 49 +
sysdeps/loongarch/dl-trampoline.S | 108 +
sysdeps/loongarch/e_sqrtl.c | 39 +
sysdeps/loongarch/elf-init.c | 1 +
sysdeps/loongarch/fpu/e_sqrt.c | 29 +
sysdeps/loongarch/fpu/e_sqrtf.c | 28 +
sysdeps/loongarch/fpu/fclrexcpt.c | 47 +
sysdeps/loongarch/fpu/fedisblxcpt.c | 40 +
sysdeps/loongarch/fpu/feenablxcpt.c | 40 +
sysdeps/loongarch/fpu/fegetenv.c | 33 +
sysdeps/loongarch/fpu/fegetexcept.c | 33 +
sysdeps/loongarch/fpu/fegetmode.c | 27 +
sysdeps/loongarch/fpu/fegetround.c | 35 +
sysdeps/loongarch/fpu/feholdexcpt.c | 41 +
sysdeps/loongarch/fpu/fenv_libc.h | 31 +
sysdeps/loongarch/fpu/fesetenv.c | 44 +
sysdeps/loongarch/fpu/fesetexcept.c | 32 +
sysdeps/loongarch/fpu/fesetmode.c | 38 +
sysdeps/loongarch/fpu/fesetround.c | 46 +
sysdeps/loongarch/fpu/feupdateenv.c | 45 +
sysdeps/loongarch/fpu/fgetexcptflg.c | 39 +
sysdeps/loongarch/fpu/fraiseexcpt.c | 84 +
sysdeps/loongarch/fpu/fsetexcptflg.c | 42 +
sysdeps/loongarch/fpu/ftestexcept.c | 33 +
sysdeps/loongarch/fpu_control.h | 111 +
sysdeps/loongarch/fstat.c | 1 +
sysdeps/loongarch/fstat64.c | 1 +
sysdeps/loongarch/fstatat.c | 1 +
sysdeps/loongarch/fstatat64.c | 1 +
sysdeps/loongarch/gccframe.h | 21 +
sysdeps/loongarch/hp-timing.h | 40 +
sysdeps/loongarch/jmpbuf-offsets.h | 23 +
sysdeps/loongarch/jmpbuf-unwind.h | 46 +
sysdeps/loongarch/ldsodefs.h | 47 +
sysdeps/loongarch/libc-start.h | 25 +
sysdeps/loongarch/libc-tls.c | 32 +
sysdeps/loongarch/linkmap.h | 4 +
sysdeps/loongarch/lp64/Implies-after | 1 +
sysdeps/loongarch/lp64/libm-test-ulps | 2206 +++++++++++++++++
sysdeps/loongarch/lp64/libm-test-ulps-name | 1 +
sysdeps/loongarch/lp64/memcpy.S | 402 +++
sysdeps/loongarch/lp64/memmove.S | 476 ++++
sysdeps/loongarch/lp64/memset.S | 175 ++
sysdeps/loongarch/lp64/s_cosf.S | 409 +++
sysdeps/loongarch/lp64/s_sinf.S | 392 +++
sysdeps/loongarch/lp64/strchr.S | 140 ++
sysdeps/loongarch/lp64/strchrnul.S | 156 ++
sysdeps/loongarch/lp64/strcmp.S | 197 ++
sysdeps/loongarch/lp64/strcpy.S | 210 ++
sysdeps/loongarch/lp64/strlen.S | 135 +
sysdeps/loongarch/lp64/strncmp.S | 269 ++
sysdeps/loongarch/lp64/strnlen.S | 155 ++
sysdeps/loongarch/lstat.c | 1 +
sysdeps/loongarch/lstat64.c | 1 +
sysdeps/loongarch/machine-gmon.h | 37 +
sysdeps/loongarch/math_private.h | 245 ++
sysdeps/loongarch/memusage.h | 21 +
sysdeps/loongarch/mknod.c | 1 +
sysdeps/loongarch/mknodat.c | 1 +
sysdeps/loongarch/nptl/Makefile | 26 +
.../loongarch/nptl/bits/pthreadtypes-arch.h | 68 +
sysdeps/loongarch/nptl/bits/semaphore.h | 33 +
sysdeps/loongarch/nptl/libc-lowlevellock.c | 8 +
sysdeps/loongarch/nptl/nptl-sysdep.S | 2 +
sysdeps/loongarch/nptl/pthread-offsets.h | 23 +
sysdeps/loongarch/nptl/pthreaddef.h | 32 +
sysdeps/loongarch/nptl/tcb-offsets.sym | 6 +
sysdeps/loongarch/nptl/tls.h | 147 ++
sysdeps/loongarch/preconfigure | 9 +
sysdeps/loongarch/pthread_atfork.c | 1 +
sysdeps/loongarch/setjmp.S | 62 +
sysdeps/loongarch/sfp-machine.h | 79 +
sysdeps/loongarch/sotruss-lib.c | 51 +
sysdeps/loongarch/stack_chk_fail_local.c | 1 +
sysdeps/loongarch/stackinfo.h | 33 +
sysdeps/loongarch/start.S | 51 +
sysdeps/loongarch/stat.c | 1 +
sysdeps/loongarch/stat64.c | 1 +
sysdeps/loongarch/sys/asm.h | 49 +
sysdeps/loongarch/sys/regdef.h | 83 +
sysdeps/loongarch/tininess.h | 1 +
sysdeps/loongarch/tls-macros.h | 46 +
sysdeps/loongarch/tst-audit.h | 23 +
sysdeps/loongarch/warning-nop.c | 1 +
sysdeps/unix/sysv/linux/loongarch/Implies | 1 +
sysdeps/unix/sysv/linux/loongarch/Makefile | 17 +
sysdeps/unix/sysv/linux/loongarch/Versions | 44 +
.../sysv/linux/loongarch/atomic-machine.h | 188 ++
.../unix/sysv/linux/loongarch/bits/fcntl.h | 62 +
.../sysv/linux/loongarch/bits/local_lim.h | 99 +
sysdeps/unix/sysv/linux/loongarch/bits/mman.h | 41 +
sysdeps/unix/sysv/linux/loongarch/bits/shm.h | 112 +
.../sysv/linux/loongarch/bits/sigcontext.h | 47 +
.../unix/sysv/linux/loongarch/bits/signum.h | 58 +
sysdeps/unix/sysv/linux/loongarch/clone.S | 98 +
sysdeps/unix/sysv/linux/loongarch/configure | 199 ++
.../unix/sysv/linux/loongarch/configure.ac | 27 +
sysdeps/unix/sysv/linux/loongarch/dl-static.c | 84 +
.../unix/sysv/linux/loongarch/getcontext.S | 72 +
sysdeps/unix/sysv/linux/loongarch/getpid.c | 54 +
.../unix/sysv/linux/loongarch/gettimeofday.c | 58 +
sysdeps/unix/sysv/linux/loongarch/getuid.c | 60 +
.../unix/sysv/linux/loongarch/init-first.c | 57 +
sysdeps/unix/sysv/linux/loongarch/ipc_priv.h | 21 +
.../sysv/linux/loongarch/kernel-features.h | 24 +
.../unix/sysv/linux/loongarch/ldd-rewrite.sed | 1 +
sysdeps/unix/sysv/linux/loongarch/ldsodefs.h | 32 +
sysdeps/unix/sysv/linux/loongarch/libc-vdso.h | 37 +
.../unix/sysv/linux/loongarch/localplt.data | 13 +
.../unix/sysv/linux/loongarch/lp64/Implies | 3 +
.../sysv/linux/loongarch/lp64/c++-types.data | 67 +
.../linux/loongarch/lp64/jmp_buf-macros.h | 41 +
.../unix/sysv/linux/loongarch/lp64/ld.abilist | 5 +
.../loongarch/lp64/libBrokenLocale.abilist | 1 +
.../sysv/linux/loongarch/lp64/libanl.abilist | 4 +
.../sysv/linux/loongarch/lp64/libc.abilist | 2101 ++++++++++++++++
.../linux/loongarch/lp64/libcrypt.abilist | 7 +
.../sysv/linux/loongarch/lp64/libdl.abilist | 9 +
.../sysv/linux/loongarch/lp64/libm.abilist | 1021 ++++++++
.../sysv/linux/loongarch/lp64/libnsl.abilist | 120 +
.../linux/loongarch/lp64/libpthread.abilist | 264 ++
.../linux/loongarch/lp64/libresolv.abilist | 79 +
.../sysv/linux/loongarch/lp64/librt.abilist | 35 +
.../linux/loongarch/lp64/libthread_db.abilist | 40 +
.../sysv/linux/loongarch/lp64/libutil.abilist | 6 +
.../unix/sysv/linux/loongarch/makecontext.c | 78 +
.../sysv/linux/loongarch/profil-counter.h | 31 +
sysdeps/unix/sysv/linux/loongarch/pt-vfork.S | 1 +
.../unix/sysv/linux/loongarch/register-dump.h | 63 +
.../unix/sysv/linux/loongarch/setcontext.S | 111 +
.../unix/sysv/linux/loongarch/shlib-versions | 2 +
.../sysv/linux/loongarch/sigcontextinfo.h | 22 +
.../unix/sysv/linux/loongarch/swapcontext.S | 120 +
.../unix/sysv/linux/loongarch/sys/procfs.h | 122 +
.../unix/sysv/linux/loongarch/sys/ucontext.h | 81 +
sysdeps/unix/sysv/linux/loongarch/sys/user.h | 31 +
sysdeps/unix/sysv/linux/loongarch/syscall.c | 36 +
sysdeps/unix/sysv/linux/loongarch/sysdep.S | 52 +
sysdeps/unix/sysv/linux/loongarch/sysdep.h | 333 +++
.../sysv/linux/loongarch/ucontext-macros.h | 44 +
.../unix/sysv/linux/loongarch/ucontext_i.sym | 33 +
sysdeps/unix/sysv/linux/loongarch/vfork.S | 49 +
162 files changed, 15153 insertions(+), 1 deletion(-)
create mode 100644 sysdeps/loongarch/Implies
create mode 100644 sysdeps/loongarch/Makefile
create mode 100644 sysdeps/loongarch/__longjmp.S
create mode 100644 sysdeps/loongarch/abort-instr.h
create mode 100644 sysdeps/loongarch/at_quick_exit.c
create mode 100644 sysdeps/loongarch/atexit.c
create mode 100644 sysdeps/loongarch/bits/endian.h
create mode 100644 sysdeps/loongarch/bits/fenv.h
create mode 100644 sysdeps/loongarch/bits/link.h
create mode 100644 sysdeps/loongarch/bits/setjmp.h
create mode 100644 sysdeps/loongarch/bits/wordsize.h
create mode 100644 sysdeps/loongarch/bsd-_setjmp.c
create mode 100644 sysdeps/loongarch/bsd-setjmp.c
create mode 100755 sysdeps/loongarch/configure
create mode 100644 sysdeps/loongarch/configure.ac
create mode 100644 sysdeps/loongarch/dl-irel.h
create mode 100644 sysdeps/loongarch/dl-machine.h
create mode 100644 sysdeps/loongarch/dl-tls.h
create mode 100644 sysdeps/loongarch/dl-trampoline.S
create mode 100644 sysdeps/loongarch/e_sqrtl.c
create mode 100644 sysdeps/loongarch/elf-init.c
create mode 100644 sysdeps/loongarch/fpu/e_sqrt.c
create mode 100644 sysdeps/loongarch/fpu/e_sqrtf.c
create mode 100644 sysdeps/loongarch/fpu/fclrexcpt.c
create mode 100644 sysdeps/loongarch/fpu/fedisblxcpt.c
create mode 100644 sysdeps/loongarch/fpu/feenablxcpt.c
create mode 100644 sysdeps/loongarch/fpu/fegetenv.c
create mode 100644 sysdeps/loongarch/fpu/fegetexcept.c
create mode 100644 sysdeps/loongarch/fpu/fegetmode.c
create mode 100644 sysdeps/loongarch/fpu/fegetround.c
create mode 100644 sysdeps/loongarch/fpu/feholdexcpt.c
create mode 100644 sysdeps/loongarch/fpu/fenv_libc.h
create mode 100644 sysdeps/loongarch/fpu/fesetenv.c
create mode 100644 sysdeps/loongarch/fpu/fesetexcept.c
create mode 100644 sysdeps/loongarch/fpu/fesetmode.c
create mode 100644 sysdeps/loongarch/fpu/fesetround.c
create mode 100644 sysdeps/loongarch/fpu/feupdateenv.c
create mode 100644 sysdeps/loongarch/fpu/fgetexcptflg.c
create mode 100644 sysdeps/loongarch/fpu/fraiseexcpt.c
create mode 100644 sysdeps/loongarch/fpu/fsetexcptflg.c
create mode 100644 sysdeps/loongarch/fpu/ftestexcept.c
create mode 100644 sysdeps/loongarch/fpu_control.h
create mode 100644 sysdeps/loongarch/fstat.c
create mode 100644 sysdeps/loongarch/fstat64.c
create mode 100644 sysdeps/loongarch/fstatat.c
create mode 100644 sysdeps/loongarch/fstatat64.c
create mode 100644 sysdeps/loongarch/gccframe.h
create mode 100644 sysdeps/loongarch/hp-timing.h
create mode 100644 sysdeps/loongarch/jmpbuf-offsets.h
create mode 100644 sysdeps/loongarch/jmpbuf-unwind.h
create mode 100644 sysdeps/loongarch/ldsodefs.h
create mode 100644 sysdeps/loongarch/libc-start.h
create mode 100644 sysdeps/loongarch/libc-tls.c
create mode 100644 sysdeps/loongarch/linkmap.h
create mode 100644 sysdeps/loongarch/lp64/Implies-after
create mode 100644 sysdeps/loongarch/lp64/libm-test-ulps
create mode 100644 sysdeps/loongarch/lp64/libm-test-ulps-name
create mode 100644 sysdeps/loongarch/lp64/memcpy.S
create mode 100644 sysdeps/loongarch/lp64/memmove.S
create mode 100644 sysdeps/loongarch/lp64/memset.S
create mode 100644 sysdeps/loongarch/lp64/s_cosf.S
create mode 100644 sysdeps/loongarch/lp64/s_sinf.S
create mode 100644 sysdeps/loongarch/lp64/strchr.S
create mode 100644 sysdeps/loongarch/lp64/strchrnul.S
create mode 100644 sysdeps/loongarch/lp64/strcmp.S
create mode 100644 sysdeps/loongarch/lp64/strcpy.S
create mode 100644 sysdeps/loongarch/lp64/strlen.S
create mode 100644 sysdeps/loongarch/lp64/strncmp.S
create mode 100644 sysdeps/loongarch/lp64/strnlen.S
create mode 100644 sysdeps/loongarch/lstat.c
create mode 100644 sysdeps/loongarch/lstat64.c
create mode 100644 sysdeps/loongarch/machine-gmon.h
create mode 100644 sysdeps/loongarch/math_private.h
create mode 100644 sysdeps/loongarch/memusage.h
create mode 100644 sysdeps/loongarch/mknod.c
create mode 100644 sysdeps/loongarch/mknodat.c
create mode 100644 sysdeps/loongarch/nptl/Makefile
create mode 100644 sysdeps/loongarch/nptl/bits/pthreadtypes-arch.h
create mode 100644 sysdeps/loongarch/nptl/bits/semaphore.h
create mode 100644 sysdeps/loongarch/nptl/libc-lowlevellock.c
create mode 100644 sysdeps/loongarch/nptl/nptl-sysdep.S
create mode 100644 sysdeps/loongarch/nptl/pthread-offsets.h
create mode 100644 sysdeps/loongarch/nptl/pthreaddef.h
create mode 100644 sysdeps/loongarch/nptl/tcb-offsets.sym
create mode 100644 sysdeps/loongarch/nptl/tls.h
create mode 100644 sysdeps/loongarch/preconfigure
create mode 100644 sysdeps/loongarch/pthread_atfork.c
create mode 100644 sysdeps/loongarch/setjmp.S
create mode 100644 sysdeps/loongarch/sfp-machine.h
create mode 100644 sysdeps/loongarch/sotruss-lib.c
create mode 100644 sysdeps/loongarch/stack_chk_fail_local.c
create mode 100644 sysdeps/loongarch/stackinfo.h
create mode 100644 sysdeps/loongarch/start.S
create mode 100644 sysdeps/loongarch/stat.c
create mode 100644 sysdeps/loongarch/stat64.c
create mode 100644 sysdeps/loongarch/sys/asm.h
create mode 100644 sysdeps/loongarch/sys/regdef.h
create mode 100644 sysdeps/loongarch/tininess.h
create mode 100644 sysdeps/loongarch/tls-macros.h
create mode 100644 sysdeps/loongarch/tst-audit.h
create mode 100644 sysdeps/loongarch/warning-nop.c
create mode 100644 sysdeps/unix/sysv/linux/loongarch/Implies
create mode 100644 sysdeps/unix/sysv/linux/loongarch/Makefile
create mode 100644 sysdeps/unix/sysv/linux/loongarch/Versions
create mode 100644 sysdeps/unix/sysv/linux/loongarch/atomic-machine.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/bits/fcntl.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/bits/local_lim.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/bits/mman.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/bits/shm.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/bits/sigcontext.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/bits/signum.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/clone.S
create mode 100644 sysdeps/unix/sysv/linux/loongarch/configure
create mode 100644 sysdeps/unix/sysv/linux/loongarch/configure.ac
create mode 100644 sysdeps/unix/sysv/linux/loongarch/dl-static.c
create mode 100644 sysdeps/unix/sysv/linux/loongarch/getcontext.S
create mode 100644 sysdeps/unix/sysv/linux/loongarch/getpid.c
create mode 100644 sysdeps/unix/sysv/linux/loongarch/gettimeofday.c
create mode 100644 sysdeps/unix/sysv/linux/loongarch/getuid.c
create mode 100644 sysdeps/unix/sysv/linux/loongarch/init-first.c
create mode 100644 sysdeps/unix/sysv/linux/loongarch/ipc_priv.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/kernel-features.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/ldd-rewrite.sed
create mode 100644 sysdeps/unix/sysv/linux/loongarch/ldsodefs.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/libc-vdso.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/localplt.data
create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/Implies
create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/c++-types.data
create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/jmp_buf-macros.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/ld.abilist
create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libBrokenLocale.abilist
create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libanl.abilist
create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libcrypt.abilist
create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libdl.abilist
create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libm.abilist
create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libnsl.abilist
create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libpthread.abilist
create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libresolv.abilist
create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/librt.abilist
create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libthread_db.abilist
create mode 100644 sysdeps/unix/sysv/linux/loongarch/lp64/libutil.abilist
create mode 100644 sysdeps/unix/sysv/linux/loongarch/makecontext.c
create mode 100644 sysdeps/unix/sysv/linux/loongarch/profil-counter.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/pt-vfork.S
create mode 100644 sysdeps/unix/sysv/linux/loongarch/register-dump.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/setcontext.S
create mode 100644 sysdeps/unix/sysv/linux/loongarch/shlib-versions
create mode 100644 sysdeps/unix/sysv/linux/loongarch/sigcontextinfo.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/swapcontext.S
create mode 100644 sysdeps/unix/sysv/linux/loongarch/sys/procfs.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/sys/ucontext.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/sys/user.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/syscall.c
create mode 100644 sysdeps/unix/sysv/linux/loongarch/sysdep.S
create mode 100644 sysdeps/unix/sysv/linux/loongarch/sysdep.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/ucontext-macros.h
create mode 100644 sysdeps/unix/sysv/linux/loongarch/ucontext_i.sym
create mode 100644 sysdeps/unix/sysv/linux/loongarch/vfork.S
diff --git a/README b/README
index 27a9fd47..1b5e147d 100644
--- a/README
+++ b/README
@@ -41,6 +41,7 @@ The GNU C Library supports these configurations for using Linux kernels:
sh[34]-*-linux-gnu
sparc*-*-linux-gnu
sparc64*-*-linux-gnu
+ loongarch64-*-linux-gnu
If you are interested in doing a port, please contact the glibc
maintainers; see http://www.gnu.org/software/libc/ for more
diff --git a/elf/elf.h b/elf/elf.h
index d6506ea1..0dc58b6d 100644
--- a/elf/elf.h
+++ b/elf/elf.h
@@ -360,6 +360,7 @@ typedef struct
#define EM_RISCV 243 /* RISC-V */
#define EM_BPF 247 /* Linux BPF -- in-kernel virtual machine */
+#define EM_LOONGARCH 258 /* Loongson Loongarch */
#define EM_NUM 248
@@ -3935,6 +3936,89 @@ enum
#define R_NDS32_TLS_TPOFF 102
#define R_NDS32_TLS_DESC 119
+/* LoongISA ELF Flags */
+#define EF_LARCH_ABI 0x0003
+#define EF_LARCH_ABI_LP64 0x0003
+#define EF_LARCH_ABI_LPX32 0x0002
+#define EF_LARCH_ABI_LP32 0x0001
+
+/* Loongarch specific dynamic relocations. */
+#define R_LARCH_NONE 0
+#define R_LARCH_32 1
+#define R_LARCH_64 2
+#define R_LARCH_RELATIVE 3
+#define R_LARCH_COPY 4
+#define R_LARCH_JUMP_SLOT 5
+#define R_LARCH_TLS_DTPMOD32 6
+#define R_LARCH_TLS_DTPMOD64 7
+#define R_LARCH_TLS_DTPREL32 8
+#define R_LARCH_TLS_DTPREL64 9
+#define R_LARCH_TLS_TPREL32 10
+#define R_LARCH_TLS_TPREL64 11
+#define R_LARCH_IRELATIVE 12
+
+/* Reserved for future relocs that the dynamic linker must understand. */
+
+/* used by the static linker for relocating .text */
+#define R_LARCH_MARK_LA 20
+#define R_LARCH_MARK_PCREL 21
+
+/* 这个重定位类型将symbol距离重定位位置的pc相对位置偏移量压栈。
+ 它against symbol，因为如果是个常数，虽然在no-pic的情况下可以得到结果，但因为
+ 重定位位置相对这个常数的偏移量一定很大，八成填不进去；而在pic的情况下，
+ 偏移量无法在静态连接时确定。因此我们约定这个重定位不可能against constant */
+#define R_LARCH_SOP_PUSH_PCREL 22
+
+/* 这个重定位against a symbol or a constant。它将symbol的运行时绝对地址
+ 或常数压栈，因此在pic的情况下会报错。另外我不太清楚常数和ABS段的关系。 */
+#define R_LARCH_SOP_PUSH_ABSOLUTE 23
+#define R_LARCH_SOP_PUSH_DUP 24
+#define R_LARCH_SOP_PUSH_GPREL 25
+#define R_LARCH_SOP_PUSH_TLS_TPREL 26
+#define R_LARCH_SOP_PUSH_TLS_GOT 27
+#define R_LARCH_SOP_PUSH_TLS_GD 28
+#define R_LARCH_SOP_PUSH_PLT_PCREL 29
+
+#define R_LARCH_SOP_ASSERT 30
+#define R_LARCH_SOP_NOT 31
+#define R_LARCH_SOP_SUB 32
+#define R_LARCH_SOP_SL 33
+#define R_LARCH_SOP_SR 34
+#define R_LARCH_SOP_ADD 35
+#define R_LARCH_SOP_AND 36
+#define R_LARCH_SOP_IF_ELSE 37
+#define R_LARCH_SOP_POP_32_S_10_5 38
+#define R_LARCH_SOP_POP_32_U_10_12 39
+#define R_LARCH_SOP_POP_32_S_10_12 40
+#define R_LARCH_SOP_POP_32_S_10_16 41
+#define R_LARCH_SOP_POP_32_S_10_16_S2 42
+#define R_LARCH_SOP_POP_32_S_5_20 43
+#define R_LARCH_SOP_POP_32_S_0_5_10_16_S2 44
+#define R_LARCH_SOP_POP_32_S_0_10_10_16_S2 45
+#define R_LARCH_SOP_POP_32_U 46
+
+/* used by the static linker for relocating non .text */
+/* 这几个重定位类型是为了照顾到 ".dword sym1 - sym2" 这种求差的写法。
+ 这些重定位类型处理的是连接时地址，一般情况下它们是成对出现的。
+ 在直接求负数".dword - sym1"的情况下，R_LARCH_SUBxx会单独出现。但注意，
+ 那个位置填进去的是连接时地址。 */
+#define R_LARCH_ADD8 47
+#define R_LARCH_ADD16 48
+#define R_LARCH_ADD24 49
+#define R_LARCH_ADD32 50
+#define R_LARCH_ADD64 51
+#define R_LARCH_SUB8 52
+#define R_LARCH_SUB16 53
+#define R_LARCH_SUB24 54
+#define R_LARCH_SUB32 55
+#define R_LARCH_SUB64 56
+
+ /* I don't know what it is. Existing in almost all other arch */
+#define R_LARCH_GNU_VTINHERIT 57
+#define R_LARCH_GNU_VTENTRY 58
+
+
+
__END_DECLS
#endif /* elf.h */
diff --git a/scripts/config.sub b/scripts/config.sub
index f2632cd8..34e9313f 100755
--- a/scripts/config.sub
+++ b/scripts/config.sub
@@ -142,7 +142,7 @@ case $os in
-sun*os*)
# Prevent following clause from handling this invalid input.
;;
- -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
+ -dec* | -mips* | -loongarch* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
-att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
-unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
@@ -288,6 +288,7 @@ case $basic_machine in
| mipsisa64sr71k | mipsisa64sr71kel \
| mipsr5900 | mipsr5900el \
| mipstx39 | mipstx39el \
+ | loongarch | loongarch64 \
| mn10200 | mn10300 \
| moxie \
| mt \
@@ -415,6 +416,7 @@ case $basic_machine in
| mipsisa64sr71k-* | mipsisa64sr71kel-* \
| mipsr5900-* | mipsr5900el-* \
| mipstx39-* | mipstx39el-* \
+ | loongarch-* | loongarch64-* \
| mmix-* \
| mt-* \
| msp430-* \
@@ -1339,6 +1341,9 @@ case $basic_machine in
pmac | pmac-mpw)
basic_machine=powerpc-apple
;;
+ loongarch)
+ basic_machine=loongarch-loongson
+ ;;
*-unknown)
# Make sure to match an already-canonicalized machine name.
;;
diff --git a/sysdeps/loongarch/Implies b/sysdeps/loongarch/Implies
new file mode 100644
index 00000000..c88325b8
--- /dev/null
+++ b/sysdeps/loongarch/Implies
@@ -0,0 +1,5 @@
+init_array
+
+ieee754/ldbl-128
+ieee754/dbl-64
+ieee754/flt-32
diff --git a/sysdeps/loongarch/Makefile b/sysdeps/loongarch/Makefile
new file mode 100644
index 00000000..d5801b3c
--- /dev/null
+++ b/sysdeps/loongarch/Makefile
@@ -0,0 +1,32 @@
+ifeq ($(subdir),misc)
+sysdep_headers += sys/asm.h
+endif
+
+# LoongArch's assembler also needs to know about PIC as it changes the definition
+# of some assembler macros.
+ASFLAGS-.os += $(pic-ccflag)
+CFLAGS-elf-init.oS += -mcmodel=large
+CFLAGS-atexit.oS += -mcmodel=large
+CFLAGS-at_quick_exit.oS += -mcmodel=large
+CFLAGS-stat.oS += -mcmodel=large
+CFLAGS-fstat.oS += -mcmodel=large
+CFLAGS-lstat.oS += -mcmodel=large
+CFLAGS-stat64.oS += -mcmodel=large
+CFLAGS-fstat64.oS += -mcmodel=large
+CFLAGS-lstat64.oS += -mcmodel=large
+CFLAGS-fstatat.oS += -mcmodel=large
+CFLAGS-fstatat64.oS += -mcmodel=large
+CFLAGS-mknod.oS += -mcmodel=large
+CFLAGS-mknodat.oS += -mcmodel=large
+CFLAGS-pthread_atfork.oS += -mcmodel=large
+CFLAGS-warning-nop.oS += -mcmodel=large
+CFLAGS-stack_chk_fail_local.oS += -mcmodel=large
+
+abi-variants := lp32 lp64
+
+ifeq (,$(filter $(default-abi),$(abi-variants)))
+$(error Unknown ABI $(default-abi), must be one of $(abi-variants))
+endif
+
+abi-lp64-condition := defined _ABILP64
+abi-lp32-condition := defined _ABILP32
diff --git a/sysdeps/loongarch/__longjmp.S b/sysdeps/loongarch/__longjmp.S
new file mode 100644
index 00000000..68f67639
--- /dev/null
+++ b/sysdeps/loongarch/__longjmp.S
@@ -0,0 +1,50 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+#include <sys/asm.h>
+
+ENTRY (__longjmp)
+ REG_L ra, a0, 0*SZREG
+ REG_L sp, a0, 1*SZREG
+ REG_L x, a0, 2*SZREG
+ REG_L fp, a0, 3*SZREG
+ REG_L s0, a0, 4*SZREG
+ REG_L s1, a0, 5*SZREG
+ REG_L s2, a0, 6*SZREG
+ REG_L s3, a0, 7*SZREG
+ REG_L s4, a0, 8*SZREG
+ REG_L s5, a0, 9*SZREG
+ REG_L s6, a0, 10*SZREG
+ REG_L s7, a0, 11*SZREG
+ REG_L s8, a0, 12*SZREG
+
+ FREG_L $f24, a0, 13*SZREG + 0*SZFREG
+ FREG_L $f25, a0, 13*SZREG + 1*SZFREG
+ FREG_L $f26, a0, 13*SZREG + 2*SZFREG
+ FREG_L $f27, a0, 13*SZREG + 3*SZFREG
+ FREG_L $f28, a0, 13*SZREG + 4*SZFREG
+ FREG_L $f29, a0, 13*SZREG + 5*SZFREG
+ FREG_L $f30, a0, 13*SZREG + 6*SZFREG
+ FREG_L $f31, a0, 13*SZREG + 7*SZFREG
+
+ sltui a0,a1,1
+ add.d a0, a0, a1 # a0 = (a1 == 0) ? 1 : a1
+ jirl zero,ra,0
+
+END (__longjmp)
diff --git a/sysdeps/loongarch/abort-instr.h b/sysdeps/loongarch/abort-instr.h
new file mode 100644
index 00000000..46d3ad08
--- /dev/null
+++ b/sysdeps/loongarch/abort-instr.h
@@ -0,0 +1,2 @@
+/* An instruction which should crash any program is a breakpoint. */
+#define ABORT_INSTRUCTION asm ("break 0")
diff --git a/sysdeps/loongarch/at_quick_exit.c b/sysdeps/loongarch/at_quick_exit.c
new file mode 100644
index 00000000..8d4b44a7
--- /dev/null
+++ b/sysdeps/loongarch/at_quick_exit.c
@@ -0,0 +1 @@
+#include <stdlib/at_quick_exit.c>
diff --git a/sysdeps/loongarch/atexit.c b/sysdeps/loongarch/atexit.c
new file mode 100644
index 00000000..fc055a48
--- /dev/null
+++ b/sysdeps/loongarch/atexit.c
@@ -0,0 +1 @@
+#include <stdlib/atexit.c>
diff --git a/sysdeps/loongarch/bits/endian.h b/sysdeps/loongarch/bits/endian.h
new file mode 100644
index 00000000..dc9a3f2e
--- /dev/null
+++ b/sysdeps/loongarch/bits/endian.h
@@ -0,0 +1,9 @@
+/* The MIPS architecture has selectable endianness.
+ It exists in both little and big endian flavours and we
+ want to be able to share the installed header files between
+ both, so we define __BYTE_ORDER based on GCC's predefines. */
+
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+# define __BYTE_ORDER __LITTLE_ENDIAN
diff --git a/sysdeps/loongarch/bits/fenv.h b/sysdeps/loongarch/bits/fenv.h
new file mode 100644
index 00000000..42767412
--- /dev/null
+++ b/sysdeps/loongarch/bits/fenv.h
@@ -0,0 +1,93 @@
+/* Copyright (C) 1998-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _FENV_H
+# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
+#endif
+
+
+/* Define bits representing the exception. We use the bit positions
+ of the appropriate bits in the FPU control word. */
+enum
+ {
+ FE_INEXACT =
+#define FE_INEXACT 0x010000
+ FE_INEXACT,
+ FE_UNDERFLOW =
+#define FE_UNDERFLOW 0x020000
+ FE_UNDERFLOW,
+ FE_OVERFLOW =
+#define FE_OVERFLOW 0x040000
+ FE_OVERFLOW,
+ FE_DIVBYZERO =
+#define FE_DIVBYZERO 0x080000
+ FE_DIVBYZERO,
+ FE_INVALID =
+#define FE_INVALID 0x100000
+ FE_INVALID,
+ };
+
+#define FE_ALL_EXCEPT \
+ (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
+
+/* The MIPS FPU supports all of the four defined rounding modes. We
+ use again the bit positions in the FPU control word as the values
+ for the appropriate macros. */
+enum
+ {
+ FE_TONEAREST =
+#define FE_TONEAREST 0x000
+ FE_TONEAREST,
+ FE_TOWARDZERO =
+#define FE_TOWARDZERO 0x100
+ FE_TOWARDZERO,
+ FE_UPWARD =
+#define FE_UPWARD 0x200
+ FE_UPWARD,
+ FE_DOWNWARD =
+#define FE_DOWNWARD 0x300
+ FE_DOWNWARD
+ };
+
+
+/* Type representing exception flags. */
+typedef unsigned int fexcept_t;
+
+
+/* Type representing floating-point environment. This function corresponds
+ to the layout of the block written by the `fstenv'. */
+typedef struct
+ {
+ unsigned int __fp_control_register;
+ }
+fenv_t;
+
+/* If the default argument is used we use this value. */
+#define FE_DFL_ENV ((const fenv_t *) -1)
+
+#ifdef __USE_GNU
+/* Floating-point environment where none of the exception is masked. */
+# define FE_NOMASK_ENV ((const fenv_t *) -257)
+#endif
+
+#if __GLIBC_USE (IEC_60559_BFP_EXT)
+/* Type representing floating-point control modes. */
+typedef unsigned int femode_t;
+
+/* Default floating-point control modes. */
+# define FE_DFL_MODE ((const femode_t *) -1L)
+#endif
diff --git a/sysdeps/loongarch/bits/link.h b/sysdeps/loongarch/bits/link.h
new file mode 100644
index 00000000..554dfdc0
--- /dev/null
+++ b/sysdeps/loongarch/bits/link.h
@@ -0,0 +1,56 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _LINK_H
+# error "Never include <bits/link.h> directly; use <link.h> instead."
+#endif
+
+typedef struct La_loongarch_regs
+{
+ unsigned long int lr_reg[8]; /* a0 - a7 */
+ double lr_fpreg[8]; /* fa0 - fa7 */
+ unsigned long int lr_ra;
+ unsigned long int lr_sp;
+} La_loongarch_regs;
+
+/* Return values for calls from PLT on LoongArch. */
+typedef struct La_loongarch_retval
+{
+ unsigned long int lrv_a0;
+ unsigned long int lrv_a1;
+ double lrv_fa0;
+ double lrv_fa1;
+} La_loongarch_retval;
+
+__BEGIN_DECLS
+
+extern ElfW(Addr) la_loongarch_gnu_pltenter (ElfW(Sym) *__sym, unsigned int __ndx,
+ uintptr_t *__refcook,
+ uintptr_t *__defcook,
+ La_loongarch_regs *__regs,
+ unsigned int *__flags,
+ const char *__symname,
+ long int *__framesizep);
+extern unsigned int la_loongarch_gnu_pltexit (ElfW(Sym) *__sym, unsigned int __ndx,
+ uintptr_t *__refcook,
+ uintptr_t *__defcook,
+ const La_loongarch_regs *__inregs,
+ La_loongarch_retval *__outregs,
+ const char *__symname);
+
+__END_DECLS
diff --git a/sysdeps/loongarch/bits/setjmp.h b/sysdeps/loongarch/bits/setjmp.h
new file mode 100644
index 00000000..cc9b6bfd
--- /dev/null
+++ b/sysdeps/loongarch/bits/setjmp.h
@@ -0,0 +1,39 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _LOONGARCH_BITS_SETJMP_H
+#define _LOONGARCH_BITS_SETJMP_H
+
+typedef struct __jmp_buf_internal_tag
+ {
+ /* Program counter. */
+ long int __pc;
+ /* Stack pointer. */
+ long int __sp;
+ /* Reserved */
+ long int __x;
+ /* Frame pointer. */
+ long int __fp;
+ /* Callee-saved registers. */
+ long int __regs[9];
+
+ /* Callee-saved floating point registers. */
+ double __fpregs[8];
+ } __jmp_buf[1];
+
+#endif /* _LOONGARCH_BITS_SETJMP_H */
diff --git a/sysdeps/loongarch/bits/wordsize.h b/sysdeps/loongarch/bits/wordsize.h
new file mode 100644
index 00000000..8dbaa00d
--- /dev/null
+++ b/sysdeps/loongarch/bits/wordsize.h
@@ -0,0 +1,22 @@
+/* Copyright (C) 1999-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define __loongarch_xlen 64
+
+#define __WORDSIZE __loongarch_xlen
+#define __WORDSIZE_TIME64_COMPAT32 0
+
diff --git a/sysdeps/loongarch/bsd-_setjmp.c b/sysdeps/loongarch/bsd-_setjmp.c
new file mode 100644
index 00000000..0d413101
--- /dev/null
+++ b/sysdeps/loongarch/bsd-_setjmp.c
@@ -0,0 +1 @@
+/* _setjmp is implemented in setjmp.S */
diff --git a/sysdeps/loongarch/bsd-setjmp.c b/sysdeps/loongarch/bsd-setjmp.c
new file mode 100644
index 00000000..ee7c5e34
--- /dev/null
+++ b/sysdeps/loongarch/bsd-setjmp.c
@@ -0,0 +1 @@
+/* setjmp is implemented in setjmp.S */
diff --git a/sysdeps/loongarch/configure b/sysdeps/loongarch/configure
new file mode 100755
index 00000000..1e5abf81
--- /dev/null
+++ b/sysdeps/loongarch/configure
@@ -0,0 +1,4 @@
+# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
+ # Local configure fragment for sysdeps/loongarch/elf.
+
+#AC_DEFINE(PI_STATIC_AND_HIDDEN)
diff --git a/sysdeps/loongarch/configure.ac b/sysdeps/loongarch/configure.ac
new file mode 100644
index 00000000..67b46ce0
--- /dev/null
+++ b/sysdeps/loongarch/configure.ac
@@ -0,0 +1,6 @@
+GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
+# Local configure fragment for sysdeps/loongarch/elf.
+
+dnl It is always possible to access static and hidden symbols in an
+dnl position independent way.
+#AC_DEFINE(PI_STATIC_AND_HIDDEN)
diff --git a/sysdeps/loongarch/dl-irel.h b/sysdeps/loongarch/dl-irel.h
new file mode 100644
index 00000000..4216fec2
--- /dev/null
+++ b/sysdeps/loongarch/dl-irel.h
@@ -0,0 +1,51 @@
+/* Machine-dependent ELF indirect relocation inline functions.
+ x86-64 version.
+ Copyright (C) 2009-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _DL_IREL_H
+#define _DL_IREL_H
+
+#include <stdio.h>
+#include <unistd.h>
+
+#define ELF_MACHINE_IRELA 1
+
+static inline ElfW(Addr)
+__attribute ((always_inline))
+elf_ifunc_invoke (ElfW(Addr) addr)
+{
+ return ((ElfW(Addr) (*) (void)) (addr)) ();
+}
+
+static inline void
+__attribute ((always_inline))
+elf_irela (const ElfW(Rela) *reloc)
+{
+ ElfW(Addr) *const reloc_addr = (void *) reloc->r_offset;
+ const unsigned long int r_type = ELFW(R_TYPE) (reloc->r_info);
+
+ if (__glibc_likely (r_type == R_LARCH_IRELATIVE))
+ {
+ ElfW(Addr) value = elf_ifunc_invoke(reloc->r_addend);
+ *reloc_addr = value;
+ }
+ else
+ __libc_fatal ("Unexpected reloc type in static binary.\n");
+}
+
+#endif /* dl-irel.h */
diff --git a/sysdeps/loongarch/dl-machine.h b/sysdeps/loongarch/dl-machine.h
new file mode 100644
index 00000000..2a5e3767
--- /dev/null
+++ b/sysdeps/loongarch/dl-machine.h
@@ -0,0 +1,366 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef dl_machine_h
+#define dl_machine_h
+
+#define ELF_MACHINE_NAME "LoongArch"
+
+#include <entry.h>
+#include <elf/elf.h>
+#include <sys/asm.h>
+#include <dl-tls.h>
+
+#ifndef _RTLD_PROLOGUE
+# define _RTLD_PROLOGUE(entry) \
+ ".globl\t" __STRING (entry) "\n\t" \
+ ".type\t" __STRING (entry) ", @function\n\t" \
+ CFI_STARTPROC "\n" \
+ __STRING (entry) ":\n"
+#endif
+
+#ifndef _RTLD_EPILOGUE
+# define _RTLD_EPILOGUE(entry) \
+ CFI_ENDPROC "\n\t" \
+ ".size\t" __STRING (entry) ", . - " __STRING (entry) "\n"
+#endif
+
+#define ELF_MACHINE_JMP_SLOT R_LARCH_JUMP_SLOT
+#define ELF_MACHINE_IRELATIVE R_LARCH_IRELATIVE
+
+#define elf_machine_type_class(type) \
+ ((ELF_RTYPE_CLASS_PLT * ((type) == ELF_MACHINE_JMP_SLOT \
+ || (__WORDSIZE == 32 && (type) == R_LARCH_TLS_DTPREL32) \
+ || (__WORDSIZE == 32 && (type) == R_LARCH_TLS_DTPMOD32) \
+ || (__WORDSIZE == 32 && (type) == R_LARCH_TLS_TPREL32) \
+ || (__WORDSIZE == 64 && (type) == R_LARCH_TLS_DTPREL64) \
+ || (__WORDSIZE == 64 && (type) == R_LARCH_TLS_DTPMOD64) \
+ || (__WORDSIZE == 64 && (type) == R_LARCH_TLS_TPREL64))) \
+ | (ELF_RTYPE_CLASS_COPY * ((type) == R_LARCH_COPY)))
+
+#define ELF_MACHINE_NO_REL 1
+#define ELF_MACHINE_NO_RELA 0
+
+/* Return nonzero iff ELF header is compatible with the running host. */
+static inline int __attribute_used__
+elf_machine_matches_host (const ElfW(Ehdr) *ehdr)
+{
+ /* We can only run LoongArch binaries. */
+ if (ehdr->e_machine != EM_LOONGARCH)
+ return 0;
+
+#ifdef _ABILP64
+ if ((ehdr->e_flags & EF_LARCH_ABI) != EF_LARCH_ABI_LP64)
+#elif defined _ABILPX32
+ if ((ehdr->e_flags & EF_LARCH_ABI) != EF_LARCH_ABI_LPX32)
+#elif defined _ABILP32
+ if ((ehdr->e_flags & EF_LARCH_ABI) != EF_LARCH_ABI_LP32)
+#else
+# error "Unknown ABI"
+#endif
+ return 0;
+
+ return 1;
+}
+
+/* Runtime address of .got */
+#define _GLOBAL_OFFSET_TABLE_ ({ \
+ ElfW(Addr) *r; \
+ asm ("la.pcrel %0, _GLOBAL_OFFSET_TABLE_":"=r" (r)); \
+ r; \
+})
+
+/* Return the link-time address of _DYNAMIC. */
+static inline ElfW(Addr)
+elf_machine_dynamic (void)
+{
+ return _GLOBAL_OFFSET_TABLE_[0];
+}
+
+#define STRINGXP(X) __STRING (X)
+#define STRINGXV(X) STRINGV_ (X)
+#define STRINGV_(...) # __VA_ARGS__
+
+/* Return the run-time load address of the shared object. */
+static inline ElfW(Addr)
+elf_machine_load_address (void)
+{
+ ElfW(Addr) got_linktime_addr;
+ asm (
+ "la.got %0, _GLOBAL_OFFSET_TABLE_"
+ /* Link-time address in GOT entry before runtime relocation */
+ : "=r" (got_linktime_addr)
+ );
+ return (ElfW(Addr))_GLOBAL_OFFSET_TABLE_ - got_linktime_addr;
+}
+
+/* Initial entry point code for the dynamic linker.
+ The C function `_dl_start' is the real entry point;
+ its return value is the user program's entry point. */
+
+#define RTLD_START asm (\
+ ".text\n\
+ " _RTLD_PROLOGUE (ENTRY_POINT) "\
+ .cfi_label .Ldummy\n\
+ " CFI_UNDEFINED (1) "\n\
+ or $a0, $sp, $zero\n\
+ bl _dl_start\n\
+ # Stash user entry point in s0.\n\
+ or $s0, $v0, $zero\n\
+ # See if we were run as a command with the executable file\n\
+ # name as an extra leading argument.\n\
+ la $a0, _dl_skip_args\n\
+ ld.w $a0, $a0, 0\n\
+ # Load the original argument count.\n\
+ ld.d $a1, $sp, 0\n\
+ # Subtract _dl_skip_args from it.\n\
+ sub.d $a1, $a1, $a0\n\
+ # Adjust the stack pointer to skip _dl_skip_args words.\n\
+ slli.d $a0, $a0, 3\n\
+ add.d $sp, $sp, $a0\n\
+ # Save back the modified argument count.\n\
+ st.d $a1, $sp, 0\n\
+ # Call _dl_init (struct link_map *main_map, int argc, char **argv, char **env) \n\
+ la $a0, _rtld_local\n\
+ ld.d $a0, $a0, 0\n\
+ addi.d $a2, $sp, 8\n\
+ slli.d $a3, $a1, 3\n\
+ add.d $a3, $a3, $a2\n\
+ addi.d $a3, $a3, 8\n\
+ # Adjust $sp for 16-aligned\n\
+ srli.d $t0, $sp, 4\n\
+ slli.d $t0, $t0, 4\n\
+ ori $t1, $sp, 0\n\
+ addi.d $sp, $t0, -32\n\
+ st.d $t1, $sp, 24\n\
+ # Call the function to run the initializers.\n\
+ bl _dl_init\n\
+ # Pass our finalizer function to _start.\n\
+ ld.d $sp, $sp, 24\n\
+ la $a0, _dl_fini\n\
+ # Jump to the user entry point.\n\
+ jirl $zero, $s0, 0\n\
+ " _RTLD_EPILOGUE (ENTRY_POINT) "\
+ .previous" \
+);
+
+/* Names of the architecture-specific auditing callback functions. */
+#define ARCH_LA_PLTENTER loongarch_gnu_pltenter
+#define ARCH_LA_PLTEXIT loongarch_gnu_pltexit
+
+/* Bias .got.plt entry by the offset requested by the PLT header. */
+#define elf_machine_plt_value(map, reloc, value) (value)
+
+static inline ElfW(Addr)
+elf_machine_fixup_plt (struct link_map *map, lookup_t t,
+ const ElfW(Sym) *refsym, const ElfW(Sym) *sym,
+ const ElfW(Rela) *reloc,
+ ElfW(Addr) *reloc_addr, ElfW(Addr) value)
+{
+ return *reloc_addr = value;
+}
+
+#endif /* !dl_machine_h */
+
+#ifdef RESOLVE_MAP
+
+/* Perform a relocation described by R_INFO at the location pointed to
+ by RELOC_ADDR. SYM is the relocation symbol specified by R_INFO and
+ MAP is the object containing the reloc. */
+
+auto inline void
+__attribute__ ((always_inline))
+elf_machine_rela (struct link_map *map, const ElfW(Rela) *reloc,
+ const ElfW(Sym) *sym, const struct r_found_version *version,
+ void *const reloc_addr, int skip_ifunc)
+{
+ ElfW(Addr) r_info = reloc->r_info;
+ const unsigned long int r_type = ELFW (R_TYPE) (r_info);
+ ElfW(Addr) *addr_field = (ElfW(Addr) *) reloc_addr;
+ const ElfW(Sym) *const __attribute__ ((unused)) refsym = sym;
+ struct link_map *sym_map = RESOLVE_MAP (&sym, version, r_type);
+ ElfW(Addr) value = 0;
+ if (sym_map != NULL)
+ value = SYMBOL_ADDRESS (sym_map, sym, true) + reloc->r_addend;
+
+ if (sym != NULL
+ && __builtin_expect (ELFW(ST_TYPE) (sym->st_info) == STT_GNU_IFUNC, 0)
+ && __builtin_expect (sym->st_shndx != SHN_UNDEF, 1)
+ && __builtin_expect (!skip_ifunc, 1))
+ value = ((ElfW(Addr) (*) (int)) value) (GLRO(dl_hwcap));
+
+ switch (r_type)
+ {
+#ifndef RTLD_BOOTSTRAP
+ case __WORDSIZE == 64 ? R_LARCH_TLS_DTPMOD64 : R_LARCH_TLS_DTPMOD32:
+ if (sym_map)
+ *addr_field = sym_map->l_tls_modid;
+ break;
+
+ case __WORDSIZE == 64 ? R_LARCH_TLS_DTPREL64 : R_LARCH_TLS_DTPREL32:
+ if (sym != NULL)
+ *addr_field = TLS_DTPREL_VALUE (sym) + reloc->r_addend;
+ break;
+
+ case __WORDSIZE == 64 ? R_LARCH_TLS_TPREL64 : R_LARCH_TLS_TPREL32:
+ if (sym != NULL)
+ {
+ CHECK_STATIC_TLS (map, sym_map);
+ *addr_field = TLS_TPREL_VALUE (sym_map, sym) + reloc->r_addend;
+ }
+ break;
+
+ case R_LARCH_COPY:
+ {
+ if (__glibc_unlikely (sym == NULL))
+ /* This can happen in trace mode if an object could not be
+ found. */
+ break;
+
+ /* Handle TLS copy relocations. */
+ if (__glibc_unlikely (ELFW (ST_TYPE) (sym->st_info) == STT_TLS))
+ {
+ /* There's nothing to do if the symbol is in .tbss. */
+ if (__glibc_likely (sym->st_value >= sym_map->l_tls_initimage_size))
+ break;
+ value += (ElfW(Addr)) sym_map->l_tls_initimage - sym_map->l_addr;
+ }
+
+ size_t size = sym->st_size;
+ if (__glibc_unlikely (sym->st_size != refsym->st_size))
+ {
+ const char *strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]);
+ if (sym->st_size > refsym->st_size)
+ size = refsym->st_size;
+ if (sym->st_size > refsym->st_size || GLRO(dl_verbose))
+ _dl_error_printf ("\
+ %s: Symbol `%s' has different size in shared object, consider re-linking\n",
+ rtld_progname ?: "<program name unknown>",
+ strtab + refsym->st_name);
+ }
+
+ memcpy (reloc_addr, (void *)value, size);
+ break;
+ }
+#endif
+
+#if !defined RTLD_BOOTSTRAP || !defined HAVE_Z_COMBRELOC
+ case R_LARCH_RELATIVE:
+ {
+# if !defined RTLD_BOOTSTRAP && !defined HAVE_Z_COMBRELOC
+ /* This is defined in rtld.c, but nowhere in the static libc.a;
+ make the reference weak so static programs can still link.
+ This declaration cannot be done when compiling rtld.c
+ (i.e. #ifdef RTLD_BOOTSTRAP) because rtld.c contains the
+ common defn for _dl_rtld_map, which is incompatible with a
+ weak decl in the same file. */
+# ifndef SHARED
+ weak_extern (GL(dl_rtld_map));
+# endif
+ if (map != &GL(dl_rtld_map)) /* Already done in rtld itself. */
+# endif
+ *addr_field = map->l_addr + reloc->r_addend;
+ break;
+ }
+#endif
+
+ case R_LARCH_JUMP_SLOT:
+ case __WORDSIZE == 64 ? R_LARCH_64 : R_LARCH_32:
+ *addr_field = value;
+ break;
+
+ case R_LARCH_IRELATIVE:
+ value = map->l_addr + reloc->r_addend;
+ value = ((ElfW(Addr) (*) (void)) value) ();
+ *addr_field = value;
+ break;
+
+ case R_LARCH_NONE:
+ break;
+
+ default:
+ _dl_reloc_bad_type (map, r_type, 0);
+ break;
+ }
+}
+
+auto inline void
+__attribute__ ((always_inline))
+elf_machine_rela_relative (ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
+ void *const reloc_addr)
+{
+ *(ElfW(Addr) *) reloc_addr = l_addr + reloc->r_addend;
+}
+
+auto inline void
+__attribute__ ((always_inline))
+elf_machine_lazy_rel (struct link_map *map, ElfW(Addr) l_addr,
+ const ElfW(Rela) *reloc, int skip_ifunc)
+{
+ ElfW(Addr) *const reloc_addr = (void *) (l_addr + reloc->r_offset);
+ const unsigned int r_type = ELFW (R_TYPE) (reloc->r_info);
+
+ /* Check for unexpected PLT reloc type. */
+ if (__glibc_likely (r_type == R_LARCH_JUMP_SLOT))
+ {
+ if (__glibc_unlikely (map->l_mach.plt == 0))
+ {
+ if (l_addr)
+ *reloc_addr += l_addr;
+ }
+ else
+ *reloc_addr = map->l_mach.plt;
+ }
+ else if (__glibc_unlikely (r_type == R_LARCH_IRELATIVE))
+ {
+ ElfW(Addr) *value = (void *) (l_addr + reloc->r_addend);
+ if (__glibc_likely (!skip_ifunc))
+ value = (ElfW(Addr) *)((ElfW(Addr) (*) (void)) value) ();
+ *reloc_addr = (ElfW(Addr))value;
+ }
+ else
+ _dl_reloc_bad_type (map, r_type, 1);
+}
+
+/* Set up the loaded object described by L so its stub function
+ will jump to the on-demand fixup code __dl_runtime_resolve. */
+
+auto inline int
+__attribute__ ((always_inline))
+elf_machine_runtime_setup (struct link_map *l, int lazy, int profile)
+{
+#ifndef RTLD_BOOTSTRAP
+ /* If using PLTs, fill in the first two entries of .got.plt. */
+ if (l->l_info[DT_JMPREL])
+ {
+ extern void _dl_runtime_resolve (void) __attribute__ ((visibility ("hidden")));
+ ElfW(Addr) *gotplt = (ElfW(Addr) *) D_PTR (l, l_info[DT_PLTGOT]);
+ /* If a library is prelinked but we have to relocate anyway,
+ we have to be able to undo the prelinking of .got.plt.
+ The prelinker saved the address of .plt for us here. */
+ if (gotplt[1])
+ l->l_mach.plt = gotplt[1] + l->l_addr;
+ gotplt[0] = (ElfW(Addr)) &_dl_runtime_resolve;
+ gotplt[1] = (ElfW(Addr)) l;
+ }
+#endif
+
+ return lazy;
+}
+
+#endif /* RESOLVE_MAP */
diff --git a/sysdeps/loongarch/dl-tls.h b/sysdeps/loongarch/dl-tls.h
new file mode 100644
index 00000000..70110c50
--- /dev/null
+++ b/sysdeps/loongarch/dl-tls.h
@@ -0,0 +1,49 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+
+/* Type used for the representation of TLS information in the GOT. */
+typedef struct
+{
+ unsigned long int ti_module;
+ unsigned long int ti_offset;
+} tls_index;
+
+/* The thread pointer points to the first static TLS block. */
+#define TLS_TP_OFFSET 0
+
+/* Dynamic thread vector pointers point 0x800 past the start of each
+ TLS block. */
+//#define TLS_DTV_OFFSET 0x800
+#define TLS_DTV_OFFSET 0
+
+/* Compute the value for a GOTTPREL reloc. */
+#define TLS_TPREL_VALUE(sym_map, sym) \
+ ((sym_map)->l_tls_offset + (sym)->st_value - TLS_TP_OFFSET)
+
+/* Compute the value for a DTPREL reloc. */
+#define TLS_DTPREL_VALUE(sym) \
+ ((sym)->st_value - TLS_DTV_OFFSET)
+
+extern void *__tls_get_addr (tls_index *ti);
+
+#define GET_ADDR_OFFSET (ti->ti_offset + TLS_DTV_OFFSET)
+#define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET)
+
+/* Value used for dtv entries for which the allocation is delayed. */
+#define TLS_DTV_UNALLOCATED ((void *) -1l)
diff --git a/sysdeps/loongarch/dl-trampoline.S b/sysdeps/loongarch/dl-trampoline.S
new file mode 100644
index 00000000..1f4689e0
--- /dev/null
+++ b/sysdeps/loongarch/dl-trampoline.S
@@ -0,0 +1,108 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+#include <sys/asm.h>
+
+/* Assembler veneer called from the PLT header code for lazy loading.
+ The PLT header passes its own args in t0-t2. */
+
+#ifdef __loongarch_soft_float
+# define FRAME_SIZE (-((-10 * SZREG) & ALMASK))
+#else
+# define FRAME_SIZE (-((-10 * SZREG - 8 * SZFREG) & ALMASK))
+#endif
+
+ENTRY (_dl_runtime_resolve)
+ # Save arguments to stack.
+
+#ifdef __loongarch64
+ addi.d sp, sp, -FRAME_SIZE
+#elif defined __loongarch32
+ addi.w sp, sp, -FRAME_SIZE
+#endif
+
+ REG_S ra, sp, 9*SZREG
+ REG_S a0, sp, 1*SZREG
+ REG_S a1, sp, 2*SZREG
+ REG_S a2, sp, 3*SZREG
+ REG_S a3, sp, 4*SZREG
+ REG_S a4, sp, 5*SZREG
+ REG_S a5, sp, 6*SZREG
+ REG_S a6, sp, 7*SZREG
+ REG_S a7, sp, 8*SZREG
+
+#ifndef __loongarch_soft_float
+ FREG_S fa0, sp, 10*SZREG + 0*SZFREG
+ FREG_S fa1, sp, 10*SZREG + 1*SZFREG
+ FREG_S fa2, sp, 10*SZREG + 2*SZFREG
+ FREG_S fa3, sp, 10*SZREG + 3*SZFREG
+ FREG_S fa4, sp, 10*SZREG + 4*SZFREG
+ FREG_S fa5, sp, 10*SZREG + 5*SZFREG
+ FREG_S fa6, sp, 10*SZREG + 6*SZFREG
+ FREG_S fa7, sp, 10*SZREG + 7*SZFREG
+#endif
+
+ # Update .got.plt and obtain runtime address of callee.
+#ifdef __loongarch64
+ slli.d a1, t1, 1
+ or a0, t0, zero
+ add.d a1, a1, t1
+ la a2, _dl_fixup
+ jirl ra, a2, 0
+ or t1, v0, zero
+#elif defined __loongarch32
+ slli.w a1, t1, 1
+ or a0, t0, zero
+ add.w a1, a1, t1
+ la a2, _dl_fixup
+ jirl ra, a2, 0
+ or t1, v0, zero
+#endif
+
+ # Restore arguments from stack.
+ REG_L ra, sp, 9*SZREG
+ REG_L a0, sp, 1*SZREG
+ REG_L a1, sp, 2*SZREG
+ REG_L a2, sp, 3*SZREG
+ REG_L a3, sp, 4*SZREG
+ REG_L a4, sp, 5*SZREG
+ REG_L a5, sp, 6*SZREG
+ REG_L a6, sp, 7*SZREG
+ REG_L a7, sp, 8*SZREG
+
+#ifndef __loongarch_soft_float
+ FREG_L fa0, sp, 10*SZREG + 0*SZFREG
+ FREG_L fa1, sp, 10*SZREG + 1*SZFREG
+ FREG_L fa2, sp, 10*SZREG + 2*SZFREG
+ FREG_L fa3, sp, 10*SZREG + 3*SZFREG
+ FREG_L fa4, sp, 10*SZREG + 4*SZFREG
+ FREG_L fa5, sp, 10*SZREG + 5*SZFREG
+ FREG_L fa6, sp, 10*SZREG + 6*SZFREG
+ FREG_L fa7, sp, 10*SZREG + 7*SZFREG
+#endif
+
+#ifdef __loongarch64
+ addi.d sp, sp, FRAME_SIZE
+#elif defined __loongarch32
+ addi.w sp, sp, FRAME_SIZE
+#endif
+
+ # Invoke the callee.
+ jirl zero, t1, 0
+END (_dl_runtime_resolve)
diff --git a/sysdeps/loongarch/e_sqrtl.c b/sysdeps/loongarch/e_sqrtl.c
new file mode 100644
index 00000000..65ae7ad8
--- /dev/null
+++ b/sysdeps/loongarch/e_sqrtl.c
@@ -0,0 +1,39 @@
+/* long double square root in software floating-point emulation.
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson (rth@cygnus.com) and
+ Jakub Jelinek (jj@ultra.linux.cz).
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <stdlib.h>
+#include <soft-fp/soft-fp.h>
+#include <soft-fp/quad.h>
+
+long double
+__ieee754_sqrtl (const long double a)
+{
+ FP_DECL_EX;
+ FP_DECL_Q(A); FP_DECL_Q(C);
+ long double c;
+
+ FP_INIT_ROUNDMODE;
+ FP_UNPACK_Q(A, a);
+ FP_SQRT_Q(C, A);
+ FP_PACK_Q(c, C);
+ FP_HANDLE_EXCEPTIONS;
+ return c;
+}
+strong_alias (__ieee754_sqrtl, __sqrtl_finite)
diff --git a/sysdeps/loongarch/elf-init.c b/sysdeps/loongarch/elf-init.c
new file mode 100644
index 00000000..5f261a9d
--- /dev/null
+++ b/sysdeps/loongarch/elf-init.c
@@ -0,0 +1 @@
+#include <sysdeps/init_array/elf-init.c>
diff --git a/sysdeps/loongarch/fpu/e_sqrt.c b/sysdeps/loongarch/fpu/e_sqrt.c
new file mode 100644
index 00000000..dac8696a
--- /dev/null
+++ b/sysdeps/loongarch/fpu/e_sqrt.c
@@ -0,0 +1,29 @@
+/* Copyright (C) 2002-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Hartvig Ekner <hartvige@mips.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+
+
+double
+__ieee754_sqrt (double x)
+{
+ double z;
+ __asm__ ("fsqrt.d %0,%1" : "=f" (z) : "f" (x));
+ return z;
+}
+strong_alias (__ieee754_sqrt, __sqrt_finite)
+
diff --git a/sysdeps/loongarch/fpu/e_sqrtf.c b/sysdeps/loongarch/fpu/e_sqrtf.c
new file mode 100644
index 00000000..706c0494
--- /dev/null
+++ b/sysdeps/loongarch/fpu/e_sqrtf.c
@@ -0,0 +1,28 @@
+/* Copyright (C) 2002-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Hartvig Ekner <hartvige@mips.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+
+
+float
+__ieee754_sqrtf (float x)
+{
+ float z;
+ __asm__ ("fsqrt.s %0,%1" : "=f" (z) : "f" (x));
+ return z;
+}
+strong_alias (__ieee754_sqrtf, __sqrtf_finite)
diff --git a/sysdeps/loongarch/fpu/fclrexcpt.c b/sysdeps/loongarch/fpu/fclrexcpt.c
new file mode 100644
index 00000000..51310d93
--- /dev/null
+++ b/sysdeps/loongarch/fpu/fclrexcpt.c
@@ -0,0 +1,47 @@
+/* Clear given exceptions in current floating-point environment.
+ Copyright (C) 1998-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@suse.de>, 1998.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fenv_libc.h>
+#include <fpu_control.h>
+
+int
+feclearexcept (int excepts)
+{
+ int cw;
+
+ /* Mask out unsupported bits/exceptions. */
+ excepts &= FE_ALL_EXCEPT;
+
+ /* Read the complete control word. */
+ _FPU_GETCW (cw);
+
+ /* Clear exception flag bits and cause bits. If the cause bit is not
+ cleared, the next CTC instruction (just below) will re-generate the
+ exception. */
+
+ cw &= ~(excepts | (excepts << CAUSE_SHIFT));
+
+ /* Put the new data in effect. */
+ _FPU_SETCW (cw);
+
+ /* Success. */
+ return 0;
+}
+libm_hidden_def (feclearexcept)
diff --git a/sysdeps/loongarch/fpu/fedisblxcpt.c b/sysdeps/loongarch/fpu/fedisblxcpt.c
new file mode 100644
index 00000000..004b0ecb
--- /dev/null
+++ b/sysdeps/loongarch/fpu/fedisblxcpt.c
@@ -0,0 +1,40 @@
+/* Disable floating-point exceptions.
+ Copyright (C) 2000-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@suse.de>, 2000.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fenv_libc.h>
+#include <fpu_control.h>
+
+int
+fedisableexcept (int excepts)
+{
+ unsigned int new_exc, old_exc;
+
+ /* Get the current control word. */
+ _FPU_GETCW (new_exc);
+
+ old_exc = (new_exc & ENABLE_MASK) << ENABLE_SHIFT;
+
+ excepts &= FE_ALL_EXCEPT;
+
+ new_exc &= ~(excepts >> ENABLE_SHIFT);
+ _FPU_SETCW (new_exc);
+
+ return old_exc;
+}
diff --git a/sysdeps/loongarch/fpu/feenablxcpt.c b/sysdeps/loongarch/fpu/feenablxcpt.c
new file mode 100644
index 00000000..b8f56625
--- /dev/null
+++ b/sysdeps/loongarch/fpu/feenablxcpt.c
@@ -0,0 +1,40 @@
+/* Enable floating-point exceptions.
+ Copyright (C) 2000-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@suse.de>, 2000.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fenv_libc.h>
+#include <fpu_control.h>
+
+int
+feenableexcept (int excepts)
+{
+ unsigned int new_exc, old_exc;
+
+ /* Get the current control word. */
+ _FPU_GETCW (new_exc);
+
+ old_exc = (new_exc & ENABLE_MASK) << ENABLE_SHIFT;
+
+ excepts &= FE_ALL_EXCEPT;
+
+ new_exc |= excepts >> ENABLE_SHIFT;
+ _FPU_SETCW (new_exc);
+
+ return old_exc;
+}
diff --git a/sysdeps/loongarch/fpu/fegetenv.c b/sysdeps/loongarch/fpu/fegetenv.c
new file mode 100644
index 00000000..8e8fa2c5
--- /dev/null
+++ b/sysdeps/loongarch/fpu/fegetenv.c
@@ -0,0 +1,33 @@
+/* Store current floating-point environment.
+ Copyright (C) 1998-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@suse.de>, 1998.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+__fegetenv (fenv_t *envp)
+{
+ _FPU_GETCW (*envp);
+
+ /* Success. */
+ return 0;
+}
+libm_hidden_def (__fegetenv)
+weak_alias (__fegetenv, fegetenv)
+libm_hidden_weak (fegetenv)
diff --git a/sysdeps/loongarch/fpu/fegetexcept.c b/sysdeps/loongarch/fpu/fegetexcept.c
new file mode 100644
index 00000000..2c0a1208
--- /dev/null
+++ b/sysdeps/loongarch/fpu/fegetexcept.c
@@ -0,0 +1,33 @@
+/* Get enabled floating-point exceptions.
+ Copyright (C) 2000-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@suse.de>, 2000.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fenv_libc.h>
+#include <fpu_control.h>
+
+int
+fegetexcept (void)
+{
+ unsigned int exc;
+
+ /* Get the current control word. */
+ _FPU_GETCW (exc);
+
+ return (exc & ENABLE_MASK) << ENABLE_SHIFT;
+}
diff --git a/sysdeps/loongarch/fpu/fegetmode.c b/sysdeps/loongarch/fpu/fegetmode.c
new file mode 100644
index 00000000..e0a5180f
--- /dev/null
+++ b/sysdeps/loongarch/fpu/fegetmode.c
@@ -0,0 +1,27 @@
+/* Store current floating-point control modes. MIPS version.
+ Copyright (C) 2016-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fegetmode (femode_t *modep)
+{
+ _FPU_GETCW (*modep);
+ return 0;
+}
diff --git a/sysdeps/loongarch/fpu/fegetround.c b/sysdeps/loongarch/fpu/fegetround.c
new file mode 100644
index 00000000..a7ac444a
--- /dev/null
+++ b/sysdeps/loongarch/fpu/fegetround.c
@@ -0,0 +1,35 @@
+/* Return current rounding direction.
+ Copyright (C) 1998-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1998.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+__fegetround (void)
+{
+ int cw;
+
+ /* Get control word. */
+ _FPU_GETCW (cw);
+
+ return cw & _FPU_RC_MASK;
+}
+libm_hidden_def (__fegetround)
+weak_alias (__fegetround, fegetround)
+libm_hidden_weak (fegetround)
diff --git a/sysdeps/loongarch/fpu/feholdexcpt.c b/sysdeps/loongarch/fpu/feholdexcpt.c
new file mode 100644
index 00000000..eb9d4764
--- /dev/null
+++ b/sysdeps/loongarch/fpu/feholdexcpt.c
@@ -0,0 +1,41 @@
+/* Store current floating-point environment and clear exceptions.
+ Copyright (C) 2000-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@suse.de>, 2000.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+__feholdexcept (fenv_t *envp)
+{
+ fpu_control_t cw;
+
+ /* Save the current state. */
+ _FPU_GETCW (cw);
+ envp->__fp_control_register = cw;
+
+ /* Clear all exception enable bits and flags. */
+ cw &= ~(_FPU_MASK_V|_FPU_MASK_Z|_FPU_MASK_O|_FPU_MASK_U|_FPU_MASK_I|FE_ALL_EXCEPT);
+ _FPU_SETCW (cw);
+
+ return 0;
+}
+
+libm_hidden_def (__feholdexcept)
+weak_alias (__feholdexcept, feholdexcept)
+libm_hidden_weak (feholdexcept)
diff --git a/sysdeps/loongarch/fpu/fenv_libc.h b/sysdeps/loongarch/fpu/fenv_libc.h
new file mode 100644
index 00000000..f5dd1678
--- /dev/null
+++ b/sysdeps/loongarch/fpu/fenv_libc.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 2000-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@suse.de>.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _FENV_LIBC_H
+#define _FENV_LIBC_H 1
+
+/* Mask for enabling exceptions and for the CAUSE bits. */
+#define ENABLE_MASK 0x0000001FU
+#define CAUSE_MASK 0x1F000000U
+
+/* Shift for FE_* flags to get up to the ENABLE bits and the CAUSE bits. */
+#define ENABLE_SHIFT 16
+#define CAUSE_SHIFT 8
+
+
+#endif /* _FENV_LIBC_H */
diff --git a/sysdeps/loongarch/fpu/fesetenv.c b/sysdeps/loongarch/fpu/fesetenv.c
new file mode 100644
index 00000000..8dee8782
--- /dev/null
+++ b/sysdeps/loongarch/fpu/fesetenv.c
@@ -0,0 +1,44 @@
+/* Install given floating-point environment.
+ Copyright (C) 1998-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@suse.de>, 1998.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+__fesetenv (const fenv_t *envp)
+{
+ fpu_control_t cw;
+
+ /* Read first current state to flush fpu pipeline. */
+ _FPU_GETCW (cw);
+
+ if (envp == FE_DFL_ENV)
+ _FPU_SETCW (_FPU_DEFAULT);
+ else if (envp == FE_NOMASK_ENV)
+ _FPU_SETCW (_FPU_IEEE);
+ else
+ _FPU_SETCW (envp->__fp_control_register);
+
+ /* Success. */
+ return 0;
+}
+
+libm_hidden_def (__fesetenv)
+weak_alias (__fesetenv, fesetenv)
+libm_hidden_weak (fesetenv)
diff --git a/sysdeps/loongarch/fpu/fesetexcept.c b/sysdeps/loongarch/fpu/fesetexcept.c
new file mode 100644
index 00000000..d14febca
--- /dev/null
+++ b/sysdeps/loongarch/fpu/fesetexcept.c
@@ -0,0 +1,32 @@
+/* Set given exception flags. MIPS version.
+ Copyright (C) 2016-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fesetexcept (int excepts)
+{
+ fpu_control_t temp;
+
+ _FPU_GETCW (temp);
+ temp |= excepts & FE_ALL_EXCEPT;
+ _FPU_SETCW (temp);
+
+ return 0;
+}
diff --git a/sysdeps/loongarch/fpu/fesetmode.c b/sysdeps/loongarch/fpu/fesetmode.c
new file mode 100644
index 00000000..8cc5d0b1
--- /dev/null
+++ b/sysdeps/loongarch/fpu/fesetmode.c
@@ -0,0 +1,38 @@
+/* Install given floating-point control modes. MIPS version.
+ Copyright (C) 2016-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+#define FCSR_STATUS 0x1f1f0000
+
+int
+fesetmode (const femode_t *modep)
+{
+ fpu_control_t cw;
+
+ _FPU_GETCW (cw);
+ cw &= FCSR_STATUS;
+ if (modep == FE_DFL_MODE)
+ cw |= _FPU_DEFAULT;
+ else
+ cw |= *modep & ~FCSR_STATUS;
+ _FPU_SETCW (cw);
+
+ return 0;
+}
diff --git a/sysdeps/loongarch/fpu/fesetround.c b/sysdeps/loongarch/fpu/fesetround.c
new file mode 100644
index 00000000..31fdeab3
--- /dev/null
+++ b/sysdeps/loongarch/fpu/fesetround.c
@@ -0,0 +1,46 @@
+/* Set current rounding direction.
+ Copyright (C) 1998-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1998.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+__fesetround (int round)
+{
+ fpu_control_t cw;
+
+ if ((round & ~_FPU_RC_MASK) != 0)
+ /* ROUND is no valid rounding mode. */
+ return 1;
+
+ /* Get current state. */
+ _FPU_GETCW (cw);
+
+ /* Set rounding bits. */
+ cw &= ~_FPU_RC_MASK;
+ cw |= round;
+ /* Set new state. */
+ _FPU_SETCW (cw);
+
+ return 0;
+}
+
+libm_hidden_def (__fesetround)
+weak_alias (__fesetround, fesetround)
+libm_hidden_weak (fesetround)
diff --git a/sysdeps/loongarch/fpu/feupdateenv.c b/sysdeps/loongarch/fpu/feupdateenv.c
new file mode 100644
index 00000000..669bfc3c
--- /dev/null
+++ b/sysdeps/loongarch/fpu/feupdateenv.c
@@ -0,0 +1,45 @@
+/* Install given floating-point environment and raise exceptions.
+ Copyright (C) 1998-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@suse.de>, 1998.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+__feupdateenv (const fenv_t *envp)
+{
+ int temp;
+
+ /* Save current exceptions. */
+ _FPU_GETCW (temp);
+ temp &= FE_ALL_EXCEPT;
+
+ /* Install new environment. */
+ __fesetenv (envp);
+
+ /* Raise the safed exception. Incidently for us the implementation
+ defined format of the values in objects of type fexcept_t is the
+ same as the ones specified using the FE_* constants. */
+ __feraiseexcept (temp);
+
+ /* Success. */
+ return 0;
+}
+libm_hidden_def (__feupdateenv)
+weak_alias (__feupdateenv, feupdateenv)
+libm_hidden_weak (feupdateenv)
diff --git a/sysdeps/loongarch/fpu/fgetexcptflg.c b/sysdeps/loongarch/fpu/fgetexcptflg.c
new file mode 100644
index 00000000..1e594e14
--- /dev/null
+++ b/sysdeps/loongarch/fpu/fgetexcptflg.c
@@ -0,0 +1,39 @@
+/* Store current representation for exceptions.
+ Copyright (C) 1998-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@suse.de>, 1998.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fegetexceptflag (fexcept_t *flagp, int excepts)
+{
+ fpu_control_t temp;
+
+ /* Get the current exceptions. */
+ _FPU_GETCW (temp);
+
+ /* We only save the relevant bits here. In particular, care has to be
+ taken with the CAUSE bits, as an inadvertent restore later on could
+ generate unexpected exceptions. */
+
+ *flagp = temp & excepts & FE_ALL_EXCEPT;
+
+ /* Success. */
+ return 0;
+}
diff --git a/sysdeps/loongarch/fpu/fraiseexcpt.c b/sysdeps/loongarch/fpu/fraiseexcpt.c
new file mode 100644
index 00000000..2eec053a
--- /dev/null
+++ b/sysdeps/loongarch/fpu/fraiseexcpt.c
@@ -0,0 +1,84 @@
+/* Raise given exceptions.
+ Copyright (C) 2000-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@suse.de>, 2000.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+#include <float.h>
+
+int
+__feraiseexcept (int excepts)
+{
+
+ const float fp_zero = 0.0, fp_one = 1.0, fp_max = FLT_MAX,
+ fp_min = FLT_MIN, fp_1e32 = 1.0e32f, fp_two = 2.0,
+ fp_three = 3.0;
+
+ /* Raise exceptions represented by EXPECTS. But we must raise only
+ one signal at a time. It is important that if the overflow/underflow
+ exception and the inexact exception are given at the same time,
+ the overflow/underflow exception follows the inexact exception.*/
+
+ /* First: invalid exception. */
+ if (FE_INVALID & excepts)
+ __asm__ __volatile__ (
+ "fdiv.s $f0,%0,%0\n\t"
+ :
+ : "f" (fp_zero)
+ :"$f0");
+
+ /* Next: division by zero. */
+ if (FE_DIVBYZERO & excepts)
+ __asm__ __volatile__ (
+ "fdiv.s $f0,%0,%1\n\t"
+ :
+ : "f" (fp_one), "f" (fp_zero)
+ :"$f0");
+
+ /* Next: overflow. */
+ if (FE_OVERFLOW & excepts)
+ /* There's no way to raise overflow without also raising inexact. */
+ __asm__ __volatile__ (
+ "fadd.s $f0,%0,%1\n\t"
+ :
+ : "f" (fp_max), "f" (fp_1e32)
+ : "$f0");
+
+ /* Next: underflow. */
+ if (FE_UNDERFLOW & excepts)
+ __asm__ __volatile__ (
+ "fdiv.s $f0,%0,%1\n\t"
+ :
+ : "f" (fp_min), "f" (fp_three)
+ : "$f0");
+
+ /* Last: inexact. */
+ if (FE_INEXACT & excepts)
+ __asm__ __volatile__ (
+ "fdiv.s $f0, %0, %1\n\t"
+ :
+ : "f" (fp_two), "f" (fp_three)
+ : "$f0");
+
+ /* Success. */
+ return 0;
+}
+
+libm_hidden_def (__feraiseexcept)
+weak_alias (__feraiseexcept, feraiseexcept)
+libm_hidden_weak (feraiseexcept)
diff --git a/sysdeps/loongarch/fpu/fsetexcptflg.c b/sysdeps/loongarch/fpu/fsetexcptflg.c
new file mode 100644
index 00000000..dc447a77
--- /dev/null
+++ b/sysdeps/loongarch/fpu/fsetexcptflg.c
@@ -0,0 +1,42 @@
+/* Set floating-point environment exception handling.
+ Copyright (C) 1998-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Hartvig Ekner <hartvige@mips.com>, 2002.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fesetexceptflag (const fexcept_t *flagp, int excepts)
+{
+ fpu_control_t temp;
+
+ /* Get the current exceptions. */
+ _FPU_GETCW (temp);
+
+ /* Make sure the flags we want restored are legal. */
+ excepts &= FE_ALL_EXCEPT;
+
+ /* Now clear the bits called for, and copy them in from flagp. Note that
+ we ignore all non-flag bits from *flagp, so they don't matter. */
+ temp = (temp & ~excepts) | (*flagp & excepts);
+
+ _FPU_SETCW (temp);
+
+ /* Success. */
+ return 0;
+}
diff --git a/sysdeps/loongarch/fpu/ftestexcept.c b/sysdeps/loongarch/fpu/ftestexcept.c
new file mode 100644
index 00000000..fa645b26
--- /dev/null
+++ b/sysdeps/loongarch/fpu/ftestexcept.c
@@ -0,0 +1,33 @@
+/* Test exception in current environment.
+ Copyright (C) 1998-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1998.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+int
+fetestexcept (int excepts)
+{
+ int cw;
+
+ /* Get current control word. */
+ _FPU_GETCW (cw);
+
+ return cw & excepts & FE_ALL_EXCEPT;
+}
+libm_hidden_def (fetestexcept)
diff --git a/sysdeps/loongarch/fpu_control.h b/sysdeps/loongarch/fpu_control.h
new file mode 100644
index 00000000..92474b25
--- /dev/null
+++ b/sysdeps/loongarch/fpu_control.h
@@ -0,0 +1,111 @@
+/* FPU control word bits. Mips version.
+ Copyright (C) 1996-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Olaf Flebbe and Ralf Baechle.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _FPU_CONTROL_H
+#define _FPU_CONTROL_H
+
+/* MIPS FPU floating point control register bits.
+ *
+ * 31-25 -> floating point conditions code bits 7-1. These bits are only
+ * available in MIPS IV.
+ * 24 -> flush denormalized results to zero instead of
+ * causing unimplemented operation exception. This bit is only
+ * available for MIPS III and newer.
+ * 23 -> Condition bit
+ * 22-21 -> reserved for architecture implementers
+ * 20 -> reserved (read as 0, write with 0)
+ * 19 -> IEEE 754-2008 non-arithmetic ABS.fmt and NEG.fmt enable
+ * 18 -> IEEE 754-2008 recommended NaN encoding enable
+ * 17 -> cause bit for unimplemented operation
+ * 28 -> cause bit for invalid exception
+ * 27 -> cause bit for division by zero exception
+ * 26 -> cause bit for overflow exception
+ * 25 -> cause bit for underflow exception
+ * 24 -> cause bit for inexact exception
+ * 4 -> enable exception for invalid exception
+ * 3 -> enable exception for division by zero exception
+ * 2 -> enable exception for overflow exception
+ * 1 -> enable exception for underflow exception
+ * 0 -> enable exception for inexact exception
+ * 20 -> flag invalid exception
+ * 19 -> flag division by zero exception
+ * 18 -> flag overflow exception
+ * 17 -> flag underflow exception
+ * 16 -> flag inexact exception
+ * 9-8 -> rounding control
+ *
+ *
+ * Rounding Control:
+ * 00 - rounding to nearest (RN)
+ * 01 - rounding toward zero (RZ)
+ * 10 - rounding (up) toward plus infinity (RP)
+ * 11 - rounding (down)toward minus infinity (RM)
+ */
+
+#include <features.h>
+
+#ifdef __loongarch_soft_float
+
+#define _FPU_RESERVED 0xffffffff
+#define _FPU_DEFAULT 0x00000000
+typedef unsigned int fpu_control_t;
+#define _FPU_GETCW(cw) (cw) = 0
+#define _FPU_SETCW(cw) (void) (cw)
+extern fpu_control_t __fpu_control;
+
+#else /* __loongarch_soft_float */
+
+/* Masks for interrupts. */
+#define _FPU_MASK_V 0x10 /* Invalid operation */
+#define _FPU_MASK_Z 0x08 /* Division by zero */
+#define _FPU_MASK_O 0x04 /* Overflow */
+#define _FPU_MASK_U 0x02 /* Underflow */
+#define _FPU_MASK_I 0x01 /* Inexact operation */
+
+/* Flush denormalized numbers to zero. */
+#define _FPU_FLUSH_TZ 0x1000000
+
+/* Rounding control. */
+#define _FPU_RC_NEAREST 0x000 /* RECOMMENDED */
+#define _FPU_RC_ZERO 0x100
+#define _FPU_RC_UP 0x200
+#define _FPU_RC_DOWN 0x300
+/* Mask for rounding control. */
+#define _FPU_RC_MASK 0x300
+
+#define _FPU_RESERVED 0x0
+
+#define _FPU_DEFAULT 0x0
+#define _FPU_IEEE 0x1F
+
+/* Type of the control word. */
+typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__SI__)));
+
+/* Macros for accessing the hardware control word. */
+extern fpu_control_t __mips_fpu_getcw (void) __THROW;
+extern void __mips_fpu_setcw (fpu_control_t) __THROW;
+#define _FPU_GETCW(cw) __asm__ volatile ("movfcsr2gr %0,$r0" : "=r" (cw))
+#define _FPU_SETCW(cw) __asm__ volatile ("movgr2fcsr $r0,%0" : : "r" (cw))
+
+/* Default control word set at startup. */
+extern fpu_control_t __fpu_control;
+
+#endif /* __loongarch_soft_float */
+
+#endif /* fpu_control.h */
diff --git a/sysdeps/loongarch/fstat.c b/sysdeps/loongarch/fstat.c
new file mode 100644
index 00000000..c4504eeb
--- /dev/null
+++ b/sysdeps/loongarch/fstat.c
@@ -0,0 +1 @@
+#include <io/fstat.c>
diff --git a/sysdeps/loongarch/fstat64.c b/sysdeps/loongarch/fstat64.c
new file mode 100644
index 00000000..143ca2b0
--- /dev/null
+++ b/sysdeps/loongarch/fstat64.c
@@ -0,0 +1 @@
+#include <io/fstat64.c>
diff --git a/sysdeps/loongarch/fstatat.c b/sysdeps/loongarch/fstatat.c
new file mode 100644
index 00000000..0b0a3342
--- /dev/null
+++ b/sysdeps/loongarch/fstatat.c
@@ -0,0 +1 @@
+#include <io/fstatat.c>
diff --git a/sysdeps/loongarch/fstatat64.c b/sysdeps/loongarch/fstatat64.c
new file mode 100644
index 00000000..e82b9274
--- /dev/null
+++ b/sysdeps/loongarch/fstatat64.c
@@ -0,0 +1 @@
+#include <io/fstatat64.c>
diff --git a/sysdeps/loongarch/gccframe.h b/sysdeps/loongarch/gccframe.h
new file mode 100644
index 00000000..5c799c64
--- /dev/null
+++ b/sysdeps/loongarch/gccframe.h
@@ -0,0 +1,21 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define FIRST_PSEUDO_REGISTER 74
+
+#include <sysdeps/generic/gccframe.h>
diff --git a/sysdeps/loongarch/hp-timing.h b/sysdeps/loongarch/hp-timing.h
new file mode 100644
index 00000000..2d006540
--- /dev/null
+++ b/sysdeps/loongarch/hp-timing.h
@@ -0,0 +1,40 @@
+/* High precision, low overhead timing functions. x86-64 version.
+ Copyright (C) 2002-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _HP_TIMING_H
+#define _HP_TIMING_H 1
+
+/* We always assume having the timestamp register. */
+#define HP_TIMING_AVAIL (1)
+#define HP_SMALL_TIMING_AVAIL (1)
+
+/* We indeed have inlined functions. */
+#define HP_TIMING_INLINE (1)
+
+/* We use 64bit values for the times. */
+typedef unsigned long long int hp_timing_t;
+
+/* Read the cp0 count, this maybe inaccurate. */
+#define HP_TIMING_NOW(Var) \
+ ({ unsigned long long int _count; \
+ asm volatile ("rdtime.d\t%0,$r0" : "=r" (_count)); \
+ (Var) = _count; })
+
+#include <hp-timing-common.h>
+
+#endif /* hp-timing.h */
diff --git a/sysdeps/loongarch/jmpbuf-offsets.h b/sysdeps/loongarch/jmpbuf-offsets.h
new file mode 100644
index 00000000..bc4c1523
--- /dev/null
+++ b/sysdeps/loongarch/jmpbuf-offsets.h
@@ -0,0 +1,23 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <jmpbuf-unwind.h>
+
+/* Helper for generic ____longjmp_chk(). */
+#define JB_FRAME_ADDRESS(buf) \
+ ((void *) _jmpbuf_sp (buf))
diff --git a/sysdeps/loongarch/jmpbuf-unwind.h b/sysdeps/loongarch/jmpbuf-unwind.h
new file mode 100644
index 00000000..c866d910
--- /dev/null
+++ b/sysdeps/loongarch/jmpbuf-unwind.h
@@ -0,0 +1,46 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <setjmp.h>
+#include <stdint.h>
+#include <unwind.h>
+#include <sysdep.h>
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
+ ((void *) (address) < (void *) demangle ((jmpbuf)[0].__sp))
+
+#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
+ _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
+
+static inline uintptr_t __attribute__ ((unused))
+_jmpbuf_sp (__jmp_buf regs)
+{
+ uintptr_t sp = regs[0].__sp;
+#ifdef PTR_DEMANGLE
+ PTR_DEMANGLE (sp);
+#endif
+ return sp;
+}
+
+#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
+ ((uintptr_t) (_address) - (_adj) < _jmpbuf_sp (_jmpbuf) - (_adj))
+
+/* We use the normal longjmp for unwinding. */
+#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)
diff --git a/sysdeps/loongarch/ldsodefs.h b/sysdeps/loongarch/ldsodefs.h
new file mode 100644
index 00000000..60b6db58
--- /dev/null
+++ b/sysdeps/loongarch/ldsodefs.h
@@ -0,0 +1,47 @@
+/* Run-time dynamic linker data structures for loaded ELF shared objects.
+ Copyright (C) 2011-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _LOONGARCH_LDSODEFS_H
+#define _LOONGARCH_LDSODEFS_H 1
+
+#include <elf.h>
+
+struct La_loongarch_regs;
+struct La_loongarch_retval;
+
+#define ARCH_PLTENTER_MEMBERS \
+ ElfW(Addr) (*loongarch_gnu_pltenter) (ElfW(Sym) *, unsigned int, \
+ uintptr_t *, uintptr_t *, \
+ const struct La_loongarch_regs *, \
+ unsigned int *, const char *name, \
+ long int *framesizep);
+
+#define ARCH_PLTEXIT_MEMBERS \
+ unsigned int (*loongarch_gnu_pltexit) (ElfW(Sym) *, unsigned int, \
+ uintptr_t *, uintptr_t *, \
+ const struct La_loongarch_regs *, \
+ struct La_loongarch_retval *, \
+ const char *);
+
+/* The LoongArch ABI specifies that the dynamic section has to be read-only. */
+
+#define DL_RO_DYN_SECTION 1
+
+#include_next <ldsodefs.h>
+
+#endif
diff --git a/sysdeps/loongarch/libc-start.h b/sysdeps/loongarch/libc-start.h
new file mode 100644
index 00000000..d35ed85f
--- /dev/null
+++ b/sysdeps/loongarch/libc-start.h
@@ -0,0 +1,25 @@
+ /* X86 definitions for libc main startup.
+ Copyright (C) 2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef SHARED
+# define ARCH_SETUP_IREL()
+# define ARCH_APPLY_IREL() apply_irel ()
+# ifndef ARCH_SETUP_TLS
+# define ARCH_SETUP_TLS() __libc_setup_tls ()
+# endif
+#endif /* !SHARED */
diff --git a/sysdeps/loongarch/libc-tls.c b/sysdeps/loongarch/libc-tls.c
new file mode 100644
index 00000000..0b0590d1
--- /dev/null
+++ b/sysdeps/loongarch/libc-tls.c
@@ -0,0 +1,32 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <csu/libc-tls.c>
+#include <dl-tls.h>
+
+/* On LoongArch, linker optimizations are not required, so __tls_get_addr
+ can be called even in statically linked binaries. In this case module
+ must be always 1 and PT_TLS segment exist in the binary, otherwise it
+ would not link. */
+
+void *
+__tls_get_addr (tls_index *ti)
+{
+ dtv_t *dtv = THREAD_DTV ();
+ return (char *) dtv[1].pointer.val + GET_ADDR_OFFSET;
+}
diff --git a/sysdeps/loongarch/linkmap.h b/sysdeps/loongarch/linkmap.h
new file mode 100644
index 00000000..ac170bb3
--- /dev/null
+++ b/sysdeps/loongarch/linkmap.h
@@ -0,0 +1,4 @@
+struct link_map_machine
+ {
+ ElfW(Addr) plt; /* Address of .plt. */
+ };
diff --git a/sysdeps/loongarch/lp64/Implies-after b/sysdeps/loongarch/lp64/Implies-after
new file mode 100644
index 00000000..a8cae95f
--- /dev/null
+++ b/sysdeps/loongarch/lp64/Implies-after
@@ -0,0 +1 @@
+wordsize-64
diff --git a/sysdeps/loongarch/lp64/libm-test-ulps b/sysdeps/loongarch/lp64/libm-test-ulps
new file mode 100644
index 00000000..61be2df6
--- /dev/null
+++ b/sysdeps/loongarch/lp64/libm-test-ulps
@@ -0,0 +1,2206 @@
+# Begin of automatic generation
+
+# Maximal error of functions:
+Function: "acos":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "acos_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "acos_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "acos_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "acosh":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: "acosh_downward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 3
+ldouble: 3
+
+Function: "acosh_towardzero":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: "acosh_upward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: "asin":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "asin_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 2
+ldouble: 2
+
+Function: "asin_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "asin_upward":
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+Function: Real part of "csinh_towardzero":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: Imaginary part of "csinh_towardzero":
+double: 2
+float: 3
+idouble: 2
+ifloat: 3
+ildouble: 2
+ldouble: 2
+
+Function: Real part of "csinh_upward":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+ildouble: 3
+ldouble: 3
+
+Function: Imaginary part of "csinh_upward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: Real part of "csqrt":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: Imaginary part of "csqrt":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: Real part of "csqrt_downward":
+double: 5
+float: 4
+idouble: 5
+ifloat: 4
+ildouble: 4
+ldouble: 4
+
+Function: Imaginary part of "csqrt_downward":
+double: 4
+float: 3
+idouble: 4
+ifloat: 3
+ildouble: 3
+ldouble: 3
+
+Function: Real part of "csqrt_towardzero":
+double: 4
+float: 3
+idouble: 4
+ifloat: 3
+ildouble: 3
+ldouble: 3
+
+Function: Imaginary part of "csqrt_towardzero":
+double: 4
+float: 3
+idouble: 4
+ifloat: 3
+ildouble: 3
+ldouble: 3
+
+Function: Real part of "csqrt_upward":
+double: 5
+float: 4
+idouble: 5
+ifloat: 4
+ildouble: 4
+ldouble: 4
+
+Function: Imaginary part of "csqrt_upward":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+ildouble: 3
+ldouble: 3
+
+Function: Real part of "ctan":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 3
+ldouble: 3
+
+Function: Imaginary part of "ctan":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 3
+ldouble: 3
+
+Function: Real part of "ctan_downward":
+double: 6
+float: 5
+idouble: 6
+ifloat: 5
+ildouble: 4
+ldouble: 4
+
+Function: Imaginary part of "ctan_downward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 5
+ldouble: 5
+
+Function: Real part of "ctan_towardzero":
+double: 5
+float: 2
+idouble: 5
+ifloat: 2
+ildouble: 4
+ldouble: 4
+
+Function: Imaginary part of "ctan_towardzero":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 5
+ldouble: 5
+
+Function: Real part of "ctan_upward":
+double: 2
+float: 4
+idouble: 2
+ifloat: 4
+ildouble: 5
+ldouble: 5
+
+Function: Imaginary part of "ctan_upward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 5
+ldouble: 5
+
+Function: Real part of "ctanh":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 3
+ldouble: 3
+
+Function: Imaginary part of "ctanh":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+ildouble: 3
+ldouble: 3
+
+Function: Real part of "ctanh_downward":
+double: 4
+float: 2
+idouble: 4
+ifloat: 2
+ildouble: 5
+ldouble: 5
+
+Function: Imaginary part of "ctanh_downward":
+double: 6
+float: 5
+idouble: 6
+ifloat: 5
+ildouble: 4
+ldouble: 4
+
+Function: Real part of "ctanh_towardzero":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 5
+ldouble: 5
+
+Function: Imaginary part of "ctanh_towardzero":
+double: 5
+float: 2
+idouble: 5
+ifloat: 2
+ildouble: 3
+ldouble: 3
+
+Function: Real part of "ctanh_upward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 5
+ldouble: 5
+
+Function: Imaginary part of "ctanh_upward":
+double: 2
+float: 3
+idouble: 2
+ifloat: 3
+ildouble: 5
+ldouble: 5
+
+Function: "erf":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "erf_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 2
+ldouble: 2
+
+Function: "erf_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "erf_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 2
+ldouble: 2
+
+Function: "erfc":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: "erfc_downward":
+double: 3
+float: 4
+idouble: 3
+ifloat: 4
+ildouble: 5
+ldouble: 5
+
+Function: "erfc_towardzero":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+ildouble: 4
+ldouble: 4
+
+Function: "erfc_upward":
+double: 3
+float: 4
+idouble: 3
+ifloat: 4
+ildouble: 5
+ldouble: 5
+
+Function: "exp":
+ildouble: 1
+ldouble: 1
+
+Function: "exp10":
+double: 2
+idouble: 2
+ildouble: 2
+ldouble: 2
+
+Function: "exp10_downward":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+ildouble: 3
+ldouble: 3
+
+Function: "exp10_towardzero":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+ildouble: 3
+ldouble: 3
+
+Function: "exp10_upward":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+ildouble: 3
+ldouble: 3
+
+Function: "exp2":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+
+Function: "exp2_downward":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+
+Function: "exp2_towardzero":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+
+Function: "exp2_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 2
+ldouble: 2
+
+Function: "exp_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "exp_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "exp_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "expm1":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "expm1_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 2
+ldouble: 2
+
+Function: "expm1_towardzero":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+ildouble: 4
+ldouble: 4
+
+Function: "expm1_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 3
+ldouble: 3
+
+Function: "gamma":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+ildouble: 5
+ldouble: 5
+
+Function: "gamma_downward":
+double: 4
+float: 4
+idouble: 4
+ifloat: 4
+ildouble: 8
+ldouble: 8
+
+Function: "gamma_towardzero":
+double: 4
+float: 3
+idouble: 4
+ifloat: 3
+ildouble: 5
+ldouble: 5
+
+Function: "gamma_upward":
+double: 4
+float: 5
+idouble: 4
+ifloat: 5
+ildouble: 8
+ldouble: 8
+
+Function: "hypot":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+
+Function: "hypot_downward":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+
+Function: "hypot_towardzero":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+
+Function: "hypot_upward":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+
+Function: "j0":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: "j0_downward":
+double: 2
+float: 4
+idouble: 2
+ifloat: 4
+ildouble: 4
+ldouble: 4
+
+Function: "j0_towardzero":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+ildouble: 2
+ldouble: 2
+
+Function: "j0_upward":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+ildouble: 5
+ldouble: 5
+
+Function: "j1":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+ildouble: 4
+ldouble: 4
+
+Function: "j1_downward":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+ildouble: 4
+ldouble: 4
+
+Function: "j1_towardzero":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+ildouble: 4
+ldouble: 4
+
+Function: "j1_upward":
+double: 3
+float: 4
+idouble: 3
+ifloat: 4
+ildouble: 3
+ldouble: 3
+
+Function: "jn":
+double: 4
+float: 4
+idouble: 4
+ifloat: 4
+ildouble: 7
+ldouble: 7
+
+Function: "jn_downward":
+double: 4
+float: 5
+idouble: 4
+ifloat: 5
+ildouble: 8
+ldouble: 8
+
+Function: "jn_towardzero":
+double: 4
+float: 5
+idouble: 4
+ifloat: 5
+ildouble: 8
+ldouble: 8
+
+Function: "jn_upward":
+double: 5
+float: 4
+idouble: 5
+ifloat: 4
+ildouble: 7
+ldouble: 7
+
+Function: "lgamma":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+ildouble: 5
+ldouble: 5
+
+Function: "lgamma_downward":
+double: 4
+float: 4
+idouble: 4
+ifloat: 4
+ildouble: 8
+ldouble: 8
+
+Function: "lgamma_towardzero":
+double: 4
+float: 3
+idouble: 4
+ifloat: 3
+ildouble: 5
+ldouble: 5
+
+Function: "lgamma_upward":
+double: 4
+float: 5
+idouble: 4
+ifloat: 5
+ildouble: 8
+ldouble: 8
+
+Function: "log":
+ildouble: 1
+ldouble: 1
+
+Function: "log10":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 1
+ldouble: 1
+
+Function: "log10_downward":
+double: 2
+float: 3
+idouble: 2
+ifloat: 3
+ildouble: 1
+ldouble: 1
+
+Function: "log10_towardzero":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "log10_upward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 1
+ldouble: 1
+
+Function: "log1p":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 2
+ldouble: 2
+
+Function: "log1p_downward":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+ildouble: 3
+ldouble: 3
+
+Function: "log1p_towardzero":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 3
+ldouble: 3
+
+Function: "log1p_upward":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: "log2":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 2
+ldouble: 2
+
+Function: "log2_downward":
+double: 3
+idouble: 3
+ildouble: 3
+ldouble: 3
+
+Function: "log2_towardzero":
+double: 2
+idouble: 2
+ildouble: 1
+ldouble: 1
+
+Function: "log2_upward":
+double: 3
+idouble: 3
+ildouble: 1
+ldouble: 1
+
+Function: "log_downward":
+ildouble: 1
+ldouble: 1
+
+Function: "log_towardzero":
+ildouble: 2
+ldouble: 2
+
+Function: "log_upward":
+double: 1
+idouble: 1
+ildouble: 2
+ldouble: 2
+
+Function: "pow":
+double: 1
+idouble: 1
+ildouble: 2
+ldouble: 2
+
+Function: "pow_downward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 2
+ldouble: 2
+
+Function: "pow_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 2
+ldouble: 2
+
+Function: "pow_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 2
+ldouble: 2
+
+Function: "sin":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+
+Function: "sin_downward":
+double: 1
+idouble: 1
+ildouble: 3
+ldouble: 3
+
+Function: "sin_towardzero":
+double: 1
+idouble: 1
+ildouble: 2
+ldouble: 2
+
+Function: "sin_upward":
+double: 1
+idouble: 1
+ildouble: 3
+ldouble: 3
+
+Function: "sincos":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+
+Function: "sincos_downward":
+double: 1
+idouble: 1
+ildouble: 3
+ldouble: 3
+
+Function: "sincos_towardzero":
+double: 1
+idouble: 1
+ildouble: 2
+ldouble: 2
+
+Function: "sincos_upward":
+double: 1
+idouble: 1
+ildouble: 3
+ldouble: 3
+
+Function: "sinh":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: "sinh_downward":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+ildouble: 3
+ldouble: 3
+
+Function: "sinh_towardzero":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 3
+ldouble: 3
+
+Function: "sinh_upward":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+ildouble: 4
+ldouble: 4
+
+Function: "tan":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "tan_downward":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+ildouble: 1
+ldouble: 1
+
+Function: "tan_towardzero":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "tan_upward":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+
+Function: "tanh":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: "tanh_downward":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+ildouble: 4
+ldouble: 4
+
+Function: "tanh_towardzero":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+ildouble: 3
+ldouble: 3
+
+Function: "tanh_upward":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+ildouble: 3
+ldouble: 3
+
+Function: "tgamma":
+double: 5
+float: 4
+idouble: 5
+ifloat: 4
+ildouble: 4
+ldouble: 4
+
+Function: "tgamma_downward":
+double: 5
+float: 5
+idouble: 5
+ifloat: 5
+ildouble: 5
+ldouble: 5
+
+Function: "tgamma_towardzero":
+double: 5
+float: 4
+idouble: 5
+ifloat: 4
+ildouble: 5
+ldouble: 5
+
+Function: "tgamma_upward":
+double: 4
+float: 4
+idouble: 4
+ifloat: 4
+ildouble: 4
+ldouble: 4
+
+Function: "y0":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+ildouble: 3
+ldouble: 3
+
+Function: "y0_downward":
+double: 3
+float: 4
+idouble: 3
+ifloat: 4
+ildouble: 4
+ldouble: 4
+
+Function: "y0_towardzero":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+ildouble: 3
+ldouble: 3
+
+Function: "y0_upward":
+double: 2
+float: 5
+idouble: 2
+ifloat: 5
+ildouble: 3
+ldouble: 3
+
+Function: "y1":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: "y1_downward":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+ildouble: 4
+ldouble: 4
+
+Function: "y1_towardzero":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+ildouble: 2
+ldouble: 2
+
+Function: "y1_upward":
+double: 5
+float: 2
+idouble: 5
+ifloat: 2
+ildouble: 5
+ldouble: 5
+
+Function: "yn":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+ildouble: 5
+ldouble: 5
+
+Function: "yn_downward":
+double: 3
+float: 4
+idouble: 3
+ifloat: 4
+ildouble: 5
+ldouble: 5
+
+Function: "yn_towardzero":
+double: 3
+float: 3
+idouble: 3
+ifloat: 3
+ildouble: 5
+ldouble: 5
+
+Function: "yn_upward":
+double: 4
+float: 5
+idouble: 4
+ifloat: 5
+ildouble: 5
+ldouble: 5
+
+# end of automatic generation
diff --git a/sysdeps/loongarch/lp64/libm-test-ulps-name b/sysdeps/loongarch/lp64/libm-test-ulps-name
new file mode 100644
index 00000000..ce02281e
--- /dev/null
+++ b/sysdeps/loongarch/lp64/libm-test-ulps-name
@@ -0,0 +1 @@
+LoongArch 64-bit
diff --git a/sysdeps/loongarch/lp64/memcpy.S b/sysdeps/loongarch/lp64/memcpy.S
new file mode 100644
index 00000000..2dc7a779
--- /dev/null
+++ b/sysdeps/loongarch/lp64/memcpy.S
@@ -0,0 +1,402 @@
+#ifdef _LIBC
+#include <sysdep.h>
+#include <sys/regdef.h>
+#include <sys/asm.h>
+#else
+#include <regdef.h>
+#include <sys/asm.h>
+#endif
+
+/* Allow the routine to be named something else if desired. */
+#ifndef MEMCPY_NAME
+#define MEMCPY_NAME memcpy
+#endif
+
+#define LD_64(reg, n) \
+ ld.d t0, reg, n; \
+ ld.d t1, reg, n+8; \
+ ld.d t2, reg, n+16; \
+ ld.d t3, reg, n+24; \
+ ld.d t4, reg, n+32; \
+ ld.d t5, reg, n+40; \
+ ld.d t6, reg, n+48; \
+ ld.d t7, reg, n+56;
+
+
+#define ST_64(reg, n) \
+ st.d t0, reg, n; \
+ st.d t1, reg, n+8; \
+ st.d t2, reg, n+16; \
+ st.d t3, reg, n+24; \
+ st.d t4, reg, n+32; \
+ st.d t5, reg, n+40; \
+ st.d t6, reg, n+48; \
+ st.d t7, reg, n+56;
+
+#define LDST_1024 \
+ LD_64(a1, 0); \
+ ST_64(a0, 0); \
+ LD_64(a1, 64); \
+ ST_64(a0, 64); \
+ LD_64(a1, 128); \
+ ST_64(a0, 128); \
+ LD_64(a1, 192); \
+ ST_64(a0, 192); \
+ LD_64(a1, 256); \
+ ST_64(a0, 256); \
+ LD_64(a1, 320); \
+ ST_64(a0, 320); \
+ LD_64(a1, 384); \
+ ST_64(a0, 384); \
+ LD_64(a1, 448); \
+ ST_64(a0, 448); \
+ LD_64(a1, 512); \
+ ST_64(a0, 512); \
+ LD_64(a1, 576); \
+ ST_64(a0, 576); \
+ LD_64(a1, 640); \
+ ST_64(a0, 640); \
+ LD_64(a1, 704); \
+ ST_64(a0, 704); \
+ LD_64(a1, 768); \
+ ST_64(a0, 768); \
+ LD_64(a1, 832); \
+ ST_64(a0, 832); \
+ LD_64(a1, 896); \
+ ST_64(a0, 896); \
+ LD_64(a1, 960); \
+ ST_64(a0, 960);
+
+#ifdef ANDROID_CHANGES
+LEAF(MEMCPY_NAME, 0)
+#else
+LEAF(MEMCPY_NAME)
+#endif
+
+//1st var: dest ptr: void *str1 $r4
+//2nd var: src ptr: void *str2 $r5
+//3rd var: size_t num
+//t0~t9 registers as temp
+
+ add.d a4, a1, a2
+ add.d a3, a0, a2
+ move t8, a0
+ move a5, a1
+ srai.d a6, a2, 4 #num/16
+ beqz a6, less_16bytes #num<16
+ slti a6, a2, 137
+ beqz a6, more_137bytes #num>137
+ srai.d a6, a2, 6
+ beqz a6, less_64bytes #num<64
+
+ srli.d a0, a0, 3
+ slli.d a0, a0, 3
+ addi.d a0, a0, 0x8
+ sub.d a7, t8, a0
+ ld.d t0, a1, 0
+ sub.d a1, a1, a7
+ st.d t0, t8, 0
+
+ add.d a7, a7, a2
+ addi.d a7, a7, -0x20
+loop_32:
+ ld.d t0, a1, 0
+ ld.d t1, a1, 8
+ ld.d t2, a1, 16
+ ld.d t3, a1, 24
+ st.d t0, a0, 0
+ st.d t1, a0, 8
+ st.d t2, a0, 16
+ st.d t3, a0, 24
+
+ addi.d a0, a0, 0x20
+ addi.d a1, a1, 0x20
+ addi.d a7, a7, -0x20
+ blt zero, a7, loop_32
+
+ ld.d t4, a4, -32
+ ld.d t5, a4, -24
+ ld.d t6, a4, -16
+ ld.d t7, a4, -8
+ st.d t4, a3, -32
+ st.d t5, a3, -24
+ st.d t6, a3, -16
+ st.d t7, a3, -8
+
+ move v0, t8
+ jr ra
+
+less_64bytes:
+ srai.d a6, a2, 5
+ beqz a6, less_32bytes
+
+ ld.d t0, a1, 0
+ ld.d t1, a1, 8
+ ld.d t2, a1, 16
+ ld.d t3, a1, 24
+ ld.d t4, a4, -32
+ ld.d t5, a4, -24
+ ld.d t6, a4, -16
+ ld.d t7, a4, -8
+ st.d t0, a0, 0
+ st.d t1, a0, 8
+ st.d t2, a0, 16
+ st.d t3, a0, 24
+ st.d t4, a3, -32
+ st.d t5, a3, -24
+ st.d t6, a3, -16
+ st.d t7, a3, -8
+
+ jr ra
+
+less_32bytes:
+ ld.d t0, a1, 0
+ ld.d t1, a1, 8
+ ld.d t2, a4, -16
+ ld.d t3, a4, -8
+ st.d t0, a0, 0
+ st.d t1, a0, 8
+ st.d t2, a3, -16
+ st.d t3, a3, -8
+
+ jr ra
+
+less_16bytes:
+ srai.d a6, a2, 3 #num/8
+ beqz a6, less_8bytes
+
+ ld.d t0, a1, 0
+ ld.d t1, a4, -8
+ st.d t0, a0, 0
+ st.d t1, a3, -8
+
+ jr ra
+
+less_8bytes:
+ srai.d a6, a2, 2
+ beqz a6, less_4bytes
+
+ ld.w t0, a1, 0
+ ld.w t1, a4, -4
+ st.w t0, a0, 0
+ st.w t1, a3, -4
+
+ jr ra
+
+less_4bytes:
+ srai.d a6, a2, 1
+ beqz a6, less_2bytes
+
+ ld.h t0, a1, 0
+ ld.h t1, a4, -2
+ st.h t0, a0, 0
+ st.h t1, a3, -2
+
+ jr ra
+
+less_2bytes:
+ beqz a2, less_1bytes
+
+ ld.b t0, a1, 0
+ st.b t0, a0, 0
+
+ jr ra
+
+less_1bytes:
+ jr ra
+
+more_137bytes:
+ li.w a6, 64
+ andi t1, a0, 7
+ srli.d a0, a0, 3
+ andi t2, a2, 7
+ slli.d a0, a0, 3
+ add.d t1, t1, t2
+ beqz t1, all_align
+ beq a0, t8, start_over
+ addi.d a0, a0, 0x8
+ sub.d a7, t8, a0
+ sub.d a1, a1, a7
+ add.d a2, a7, a2
+
+start_unalign_proc:
+ ld.d t0, a5, 0
+ slli.d t0, t0, 8
+ pcaddi t1, 18
+ slli.d t2, a7, 3
+ add.d t1, t1, t2
+ jirl zero, t1, 0
+
+start_7_unalign:
+ srli.d t0, t0, 8
+ st.b t0, a0, -7
+start_6_unalign:
+ srli.d t0, t0, 8
+ st.b t0, a0, -6
+start_5_unalign:
+ srli.d t0, t0, 8
+ st.b t0, a0, -5
+start_4_unalign:
+ srli.d t0, t0, 8
+ st.b t0, a0, -4
+start_3_unalign:
+ srli.d t0, t0, 8
+ st.b t0, a0, -3
+start_2_unalign:
+ srli.d t0, t0, 8
+ st.b t0, a0, -2
+start_1_unalign:
+ srli.d t0, t0, 8
+ st.b t0, a0, -1
+start_over:
+
+ addi.d a2, a2, -0x80
+ blt a2, zero, end_unalign_proc
+
+loop_less:
+ LD_64(a1, 0)
+ ST_64(a0, 0)
+ LD_64(a1, 64)
+ ST_64(a0, 64)
+
+ addi.d a0, a0, 0x80
+ addi.d a1, a1, 0x80
+ addi.d a2, a2, -0x80
+ bge a2, zero, loop_less
+
+end_unalign_proc:
+ addi.d a2, a2, 0x80
+
+ pcaddi t1, 34
+ andi t2, a2, 0x78
+ sub.d t1, t1, t2
+ jirl zero, t1, 0
+
+end_120_128_unalign:
+ ld.d t0, a1, 112
+ st.d t0, a0, 112
+end_112_120_unalign:
+ ld.d t0, a1, 104
+ st.d t0, a0, 104
+end_104_112_unalign:
+ ld.d t0, a1, 96
+ st.d t0, a0, 96
+end_96_104_unalign:
+ ld.d t0, a1, 88
+ st.d t0, a0, 88
+end_88_96_unalign:
+ ld.d t0, a1, 80
+ st.d t0, a0, 80
+end_80_88_unalign:
+ ld.d t0, a1, 72
+ st.d t0, a0, 72
+end_72_80_unalign:
+ ld.d t0, a1, 64
+ st.d t0, a0, 64
+end_64_72_unalign:
+ ld.d t0, a1, 56
+ st.d t0, a0, 56
+end_56_64_unalign:
+ ld.d t0, a1, 48
+ st.d t0, a0, 48
+end_48_56_unalign:
+ ld.d t0, a1, 40
+ st.d t0, a0, 40
+end_40_48_unalign:
+ ld.d t0, a1, 32
+ st.d t0, a0, 32
+end_32_40_unalign:
+ ld.d t0, a1, 24
+ st.d t0, a0, 24
+end_24_32_unalign:
+ ld.d t0, a1, 16
+ st.d t0, a0, 16
+end_16_24_unalign:
+ ld.d t0, a1, 8
+ st.d t0, a0, 8
+end_8_16_unalign:
+ ld.d t0, a1, 0
+ st.d t0, a0, 0
+end_0_8_unalign:
+
+ mod.d t0, a3, a6
+ srli.d t1, t0, 3
+ slti t0, t0, 1
+ add.d t0, t0, t1
+ blt zero, t0, end_8_without_cross_cache_line
+
+ andi a2, a2, 0x7
+ pcaddi t1, 18
+ slli.d a2, a2, 3
+ sub.d t1, t1, a2
+ jirl zero, t1, 0
+
+end_7_unalign:
+ ld.b t0, a4, -7
+ st.b t0, a3, -7
+end_6_unalign:
+ ld.b t0, a4, -6
+ st.b t0, a3, -6
+end_5_unalign:
+ ld.b t0, a4, -5
+ st.b t0, a3, -5
+end_4_unalign:
+ ld.b t0, a4, -4
+ st.b t0, a3, -4
+end_3_unalign:
+ ld.b t0, a4, -3
+ st.b t0, a3, -3
+end_2_unalign:
+ ld.b t0, a4, -2
+ st.b t0, a3, -2
+end_1_unalign:
+ ld.b t0, a4, -1
+ st.b t0, a3, -1
+end:
+
+ move v0, t8
+ jr ra
+
+all_align:
+ addi.d a2, a2, -0x20
+
+align_loop_less:
+ ld.d t0, a1, 0
+ ld.d t1, a1, 8
+ ld.d t2, a1, 16
+ ld.d t3, a1, 24
+ st.d t0, a0, 0
+ st.d t1, a0, 8
+ st.d t2, a0, 16
+ st.d t3, a0, 24
+
+ addi.d a0, a0, 0x20
+ addi.d a1, a1, 0x20
+ addi.d a2, a2, -0x20
+ blt zero, a2, align_loop_less
+
+ ld.d t4, a4, -32
+ ld.d t5, a4, -24
+ ld.d t6, a4, -16
+ ld.d t7, a4, -8
+ st.d t4, a3, -32
+ st.d t5, a3, -24
+ st.d t6, a3, -16
+ st.d t7, a3, -8
+
+ move v0, t8
+ jr ra
+
+end_8_without_cross_cache_line:
+ ld.d t0, a4, -8
+ st.d t0, a3, -8
+
+ move v0, t8
+ jr ra
+
+END(MEMCPY_NAME)
+#ifndef ANDROID_CHANGES
+#ifdef _LIBC
+libc_hidden_builtin_def (MEMCPY_NAME)
+#endif
+#endif
diff --git a/sysdeps/loongarch/lp64/memmove.S b/sysdeps/loongarch/lp64/memmove.S
new file mode 100644
index 00000000..f87d036b
--- /dev/null
+++ b/sysdeps/loongarch/lp64/memmove.S
@@ -0,0 +1,476 @@
+#ifdef _LIBC
+#include <sysdep.h>
+#include <sys/regdef.h>
+#include <sys/asm.h>
+#else
+#include <regdef.h>
+#include <sys/asm.h>
+#endif
+
+/* Allow the routine to be named something else if desired. */
+#ifndef MEMMOVE_NAME
+#define MEMMOVE_NAME memmove
+#endif
+
+#define LD_64(reg, n) \
+ ld.d t0, reg, n; \
+ ld.d t1, reg, n+8; \
+ ld.d t2, reg, n+16; \
+ ld.d t3, reg, n+24; \
+ ld.d t4, reg, n+32; \
+ ld.d t5, reg, n+40; \
+ ld.d t6, reg, n+48; \
+ ld.d t7, reg, n+56;
+
+
+#define ST_64(reg, n) \
+ st.d t0, reg, n; \
+ st.d t1, reg, n+8; \
+ st.d t2, reg, n+16; \
+ st.d t3, reg, n+24; \
+ st.d t4, reg, n+32; \
+ st.d t5, reg, n+40; \
+ st.d t6, reg, n+48; \
+ st.d t7, reg, n+56;
+
+#define LDST_1024 \
+ LD_64(a1, 0); \
+ ST_64(a0, 0); \
+ LD_64(a1, 64); \
+ ST_64(a0, 64); \
+ LD_64(a1, 128); \
+ ST_64(a0, 128); \
+ LD_64(a1, 192); \
+ ST_64(a0, 192); \
+ LD_64(a1, 256); \
+ ST_64(a0, 256); \
+ LD_64(a1, 320); \
+ ST_64(a0, 320); \
+ LD_64(a1, 384); \
+ ST_64(a0, 384); \
+ LD_64(a1, 448); \
+ ST_64(a0, 448); \
+ LD_64(a1, 512); \
+ ST_64(a0, 512); \
+ LD_64(a1, 576); \
+ ST_64(a0, 576); \
+ LD_64(a1, 640); \
+ ST_64(a0, 640); \
+ LD_64(a1, 704); \
+ ST_64(a0, 704); \
+ LD_64(a1, 768); \
+ ST_64(a0, 768); \
+ LD_64(a1, 832); \
+ ST_64(a0, 832); \
+ LD_64(a1, 896); \
+ ST_64(a0, 896); \
+ LD_64(a1, 960); \
+ ST_64(a0, 960);
+
+#define LDST_1024_BACK \
+ LD_64(a4, -64); \
+ ST_64(a3, -64); \
+ LD_64(a4, -128); \
+ ST_64(a3, -128); \
+ LD_64(a4, -192); \
+ ST_64(a3, -192); \
+ LD_64(a4, -256); \
+ ST_64(a3, -256); \
+ LD_64(a4, -320); \
+ ST_64(a3, -320); \
+ LD_64(a4, -384); \
+ ST_64(a3, -384); \
+ LD_64(a4, -448); \
+ ST_64(a3, -448); \
+ LD_64(a4, -512); \
+ ST_64(a3, -512); \
+ LD_64(a4, -576); \
+ ST_64(a3, -576); \
+ LD_64(a4, -640); \
+ ST_64(a3, -640); \
+ LD_64(a4, -704); \
+ ST_64(a3, -704); \
+ LD_64(a4, -768); \
+ ST_64(a3, -768); \
+ LD_64(a4, -832); \
+ ST_64(a3, -832); \
+ LD_64(a4, -896); \
+ ST_64(a3, -896); \
+ LD_64(a4, -960); \
+ ST_64(a3, -960); \
+ LD_64(a4, -1024); \
+ ST_64(a3, -1024);
+
+#ifdef ANDROID_CHANGES
+LEAF(MEMMOVE_NAME, 0)
+#else
+LEAF(MEMMOVE_NAME)
+#endif
+
+//1st var: dest ptr: void *str1 $r4 a0
+//2nd var: src ptr: void *str2 $r5 a1
+//3rd var: size_t num
+//t0~t9 registers as temp
+
+ add.d a4, a1, a2
+ add.d a3, a0, a2
+ beq a1, a0, less_1bytes
+ move t8, a0
+ srai.d a6, a2, 4 #num/16
+ beqz a6, less_16bytes #num<16
+ srai.d a6, a2, 6 #num/64
+ bnez a6, more_64bytes #num>64
+ srai.d a6, a2, 5
+ beqz a6, less_32bytes #num<32
+
+ ld.d t0, a1, 0 #32<num<64
+ ld.d t1, a1, 8
+ ld.d t2, a1, 16
+ ld.d t3, a1, 24
+ ld.d t4, a4, -32
+ ld.d t5, a4, -24
+ ld.d t6, a4, -16
+ ld.d t7, a4, -8
+ st.d t0, a0, 0
+ st.d t1, a0, 8
+ st.d t2, a0, 16
+ st.d t3, a0, 24
+ st.d t4, a3, -32
+ st.d t5, a3, -24
+ st.d t6, a3, -16
+ st.d t7, a3, -8
+
+ jr ra
+
+less_32bytes:
+ ld.d t0, a1, 0
+ ld.d t1, a1, 8
+ ld.d t2, a4, -16
+ ld.d t3, a4, -8
+ st.d t0, a0, 0
+ st.d t1, a0, 8
+ st.d t2, a3, -16
+ st.d t3, a3, -8
+
+ jr ra
+
+less_16bytes:
+ srai.d a6, a2, 3 #num/8
+ beqz a6, less_8bytes
+
+ ld.d t0, a1, 0
+ ld.d t1, a4, -8
+ st.d t0, a0, 0
+ st.d t1, a3, -8
+
+ jr ra
+
+less_8bytes:
+ srai.d a6, a2, 2
+ beqz a6, less_4bytes
+
+ ld.w t0, a1, 0
+ ld.w t1, a4, -4
+ st.w t0, a0, 0
+ st.w t1, a3, -4
+
+ jr ra
+
+less_4bytes:
+ srai.d a6, a2, 1
+ beqz a6, less_2bytes
+
+ ld.h t0, a1, 0
+ ld.h t1, a4, -2
+ st.h t0, a0, 0
+ st.h t1, a3, -2
+
+ jr ra
+
+less_2bytes:
+ beqz a2, less_1bytes
+
+ ld.b t0, a1, 0
+ st.b t0, a0, 0
+
+ jr ra
+
+less_1bytes:
+ jr ra
+
+more_64bytes:
+ sub.d a7, a0, a1
+ bltu a7, a2, copy_backward
+
+copy_forward:
+ srli.d a0, a0, 3
+ slli.d a0, a0, 3
+ beq a0, t8, all_align
+ addi.d a0, a0, 0x8
+ sub.d a7, t8, a0
+ sub.d a1, a1, a7
+ add.d a2, a7, a2
+
+start_unalign_proc:
+ pcaddi t1, 18
+ slli.d a6, a7, 3
+ add.d t1, t1, a6
+ jirl zero, t1, 0
+
+start_7_unalign:
+ ld.b t0, a1, -7
+ st.b t0, a0, -7
+start_6_unalign:
+ ld.b t0, a1, -6
+ st.b t0, a0, -6
+start_5_unalign:
+ ld.b t0, a1, -5
+ st.b t0, a0, -5
+start_4_unalign:
+ ld.b t0, a1, -4
+ st.b t0, a0, -4
+start_3_unalign:
+ ld.b t0, a1, -3
+ st.b t0, a0, -3
+start_2_unalign:
+ ld.b t0, a1, -2
+ st.b t0, a0, -2
+start_1_unalign:
+ ld.b t0, a1, -1
+ st.b t0, a0, -1
+start_over:
+
+ addi.d a2, a2, -0x80
+ blt a2, zero, end_unalign_proc
+
+loop_less:
+ LD_64(a1, 0)
+ ST_64(a0, 0)
+ LD_64(a1, 64)
+ ST_64(a0, 64)
+
+ addi.d a0, a0, 0x80
+ addi.d a1, a1, 0x80
+ addi.d a2, a2, -0x80
+ bge a2, zero, loop_less
+
+end_unalign_proc:
+ addi.d a2, a2, 0x80
+
+ pcaddi t1, 36
+ andi t2, a2, 0x78
+ add.d a1, a1, t2
+ add.d a0, a0, t2
+ sub.d t1, t1, t2
+ jirl zero, t1, 0
+
+end_120_128_unalign:
+ ld.d t0, a1, -120
+ st.d t0, a0, -120
+end_112_120_unalign:
+ ld.d t0, a1, -112
+ st.d t0, a0, -112
+end_104_112_unalign:
+ ld.d t0, a1, -104
+ st.d t0, a0, -104
+end_96_104_unalign:
+ ld.d t0, a1, -96
+ st.d t0, a0, -96
+end_88_96_unalign:
+ ld.d t0, a1, -88
+ st.d t0, a0, -88
+end_80_88_unalign:
+ ld.d t0, a1, -80
+ st.d t0, a0, -80
+end_72_80_unalign:
+ ld.d t0, a1, -72
+ st.d t0, a0, -72
+end_64_72_unalign:
+ ld.d t0, a1, -64
+ st.d t0, a0, -64
+end_56_64_unalign:
+ ld.d t0, a1, -56
+ st.d t0, a0, -56
+end_48_56_unalign:
+ ld.d t0, a1, -48
+ st.d t0, a0, -48
+end_40_48_unalign:
+ ld.d t0, a1, -40
+ st.d t0, a0, -40
+end_32_40_unalign:
+ ld.d t0, a1, -32
+ st.d t0, a0, -32
+end_24_32_unalign:
+ ld.d t0, a1, -24
+ st.d t0, a0, -24
+end_16_24_unalign:
+ ld.d t0, a1, -16
+ st.d t0, a0, -16
+end_8_16_unalign:
+ ld.d t0, a1, -8
+ st.d t0, a0, -8
+end_0_8_unalign:
+
+ andi a2, a2, 0x7
+ pcaddi t1, 18
+ slli.d a2, a2, 3
+ sub.d t1, t1, a2
+ jirl zero, t1, 0
+
+end_7_unalign:
+ ld.b t0, a4, -7
+ st.b t0, a3, -7
+end_6_unalign:
+ ld.b t0, a4, -6
+ st.b t0, a3, -6
+end_5_unalign:
+ ld.b t0, a4, -5
+ st.b t0, a3, -5
+end_4_unalign:
+ ld.b t0, a4, -4
+ st.b t0, a3, -4
+end_3_unalign:
+ ld.b t0, a4, -3
+ st.b t0, a3, -3
+end_2_unalign:
+ ld.b t0, a4, -2
+ st.b t0, a3, -2
+end_1_unalign:
+ ld.b t0, a4, -1
+ st.b t0, a3, -1
+end:
+
+ move v0, t8
+ jr ra
+
+all_align:
+ addi.d a1, a1, 0x8
+ addi.d a0, a0, 0x8
+ ld.d t0, a1, -8
+ st.d t0, a0, -8
+ addi.d a2, a2, -8
+ b start_over
+
+all_align_back:
+ addi.d a4, a4, -0x8
+ addi.d a3, a3, -0x8
+ ld.d t0, a4, 0
+ st.d t0, a3, 0
+ addi.d a2, a2, -8
+ b start_over_back
+
+copy_backward:
+ move a5, a3
+ srli.d a3, a3, 3
+ slli.d a3, a3, 3
+ beq a3, a5, all_align_back
+ sub.d a7, a3, a5
+ add.d a4, a4, a7
+ add.d a2, a7, a2
+
+ pcaddi t1, 18
+ slli.d a6, a7, 3
+ add.d t1, t1, a6
+ jirl zero, t1, 0
+
+ ld.b t0, a4, 6
+ st.b t0, a3, 6
+ ld.b t0, a4, 5
+ st.b t0, a3, 5
+ ld.b t0, a4, 4
+ st.b t0, a3, 4
+ ld.b t0, a4, 3
+ st.b t0, a3, 3
+ ld.b t0, a4, 2
+ st.b t0, a3, 2
+ ld.b t0, a4, 1
+ st.b t0, a3, 1
+ ld.b t0, a4, 0
+ st.b t0, a3, 0
+start_over_back:
+
+ addi.d a2, a2, -0x80
+ blt a2, zero, end_unalign_proc_back
+
+loop_less_back:
+ LD_64(a4, -64)
+ ST_64(a3, -64)
+ LD_64(a4, -128)
+ ST_64(a3, -128)
+
+ addi.d a4, a4, -0x80
+ addi.d a3, a3, -0x80
+ addi.d a2, a2, -0x80
+ bge a2, zero, loop_less_back
+
+end_unalign_proc_back:
+ addi.d a2, a2, 0x80
+
+ pcaddi t1, 36
+ andi t2, a2, 0x78
+ sub.d a4, a4, t2
+ sub.d a3, a3, t2
+ sub.d t1, t1, t2
+ jirl zero, t1, 0
+
+ ld.d t0, a4, 112
+ st.d t0, a3, 112
+ ld.d t0, a4, 104
+ st.d t0, a3, 104
+ ld.d t0, a4, 96
+ st.d t0, a3, 96
+ ld.d t0, a4, 88
+ st.d t0, a3, 88
+ ld.d t0, a4, 80
+ st.d t0, a3, 80
+ ld.d t0, a4, 72
+ st.d t0, a3, 72
+ ld.d t0, a4, 64
+ st.d t0, a3, 64
+ ld.d t0, a4, 56
+ st.d t0, a3, 56
+ ld.d t0, a4, 48
+ st.d t0, a3, 48
+ ld.d t0, a4, 40
+ st.d t0, a3, 40
+ ld.d t0, a4, 32
+ st.d t0, a3, 32
+ ld.d t0, a4, 24
+ st.d t0, a3, 24
+ ld.d t0, a4, 16
+ st.d t0, a3, 16
+ ld.d t0, a4, 8
+ st.d t0, a3, 8
+ ld.d t0, a4, 0
+ st.d t0, a3, 0
+
+ andi a2, a2, 0x7
+ pcaddi t1, 18
+ slli.d a2, a2, 3
+ sub.d t1, t1, a2
+ jirl zero, t1, 0
+
+ ld.b t0, a1, 6
+ st.b t0, a0, 6
+ ld.b t0, a1, 5
+ st.b t0, a0, 5
+ ld.b t0, a1, 4
+ st.b t0, a0, 4
+ ld.b t0, a1, 3
+ st.b t0, a0, 3
+ ld.b t0, a1, 2
+ st.b t0, a0, 2
+ ld.b t0, a1, 1
+ st.b t0, a0, 1
+ ld.b t0, a1, 0
+ st.b t0, a0, 0
+
+ move v0, t8
+ jr ra
+
+END(MEMMOVE_NAME)
+#ifndef ANDROID_CHANGES
+#ifdef _LIBC
+libc_hidden_builtin_def (MEMMOVE_NAME)
+#endif
+#endif
diff --git a/sysdeps/loongarch/lp64/memset.S b/sysdeps/loongarch/lp64/memset.S
new file mode 100644
index 00000000..8bc152ee
--- /dev/null
+++ b/sysdeps/loongarch/lp64/memset.S
@@ -0,0 +1,175 @@
+#ifdef _LIBC
+#include <sysdep.h>
+#include <sys/regdef.h>
+#include <sys/asm.h>
+#else
+#include <sys/asm.h>
+#include <sys/regdef.h>
+#endif
+
+#ifdef LOONGSON_TEST
+#define MEMSET _memset
+#else
+#define MEMSET memset
+#endif
+
+#define ST_128(n) \
+ st.d a1, a0, n; \
+ st.d a1, a0, n+8 ; \
+ st.d a1, a0, n+16 ; \
+ st.d a1, a0, n+24 ; \
+ st.d a1, a0, n+32 ; \
+ st.d a1, a0, n+40 ; \
+ st.d a1, a0, n+48 ; \
+ st.d a1, a0, n+56 ; \
+ st.d a1, a0, n+64 ; \
+ st.d a1, a0, n+72 ; \
+ st.d a1, a0, n+80 ; \
+ st.d a1, a0, n+88 ; \
+ st.d a1, a0, n+96 ; \
+ st.d a1, a0, n+104; \
+ st.d a1, a0, n+112; \
+ st.d a1, a0, n+120; \
+
+//1st var: void *str $4 a0
+//2nd var: int val $5 a1
+//3rd var: size_t num $6 a2
+
+LEAF(MEMSET)
+
+memset:
+ .align 6
+
+ bstrins.d a1, a1, 15, 8
+ add.d t7, a0, a2
+ bstrins.d a1, a1, 31, 16
+ move t0, a0
+ bstrins.d a1, a1, 63, 32
+ srai.d t8, a2, 4 #num/16
+ beqz t8, less_16bytes #num<16
+ srai.d t8, a2, 6 #num/64
+ bnez t8, more_64bytes #num>64
+ srai.d t8, a2, 5 #num/32
+ beqz t8, less_32bytes #num<32
+ st.d a1, a0, 0 #32<num<64
+ st.d a1, a0, 8
+ st.d a1, a0, 16
+ st.d a1, a0, 24
+ st.d a1, t7, -32
+ st.d a1, t7, -24
+ st.d a1, t7, -16
+ st.d a1, t7, -8
+
+ jr ra
+
+less_32bytes:
+ st.d a1, a0, 0
+ st.d a1, a0, 8
+ st.d a1, t7, -16
+ st.d a1, t7, -8
+
+ jr ra
+
+less_16bytes:
+ srai.d t8, a2, 3 #num/8
+ beqz t8, less_8bytes
+ st.d a1, a0, 0
+ st.d a1, t7, -8
+
+ jr ra
+
+less_8bytes:
+ srai.d t8, a2, 2
+ beqz t8, less_4bytes
+ st.w a1, a0, 0
+ st.w a1, t7, -4
+
+ jr ra
+
+less_4bytes:
+ srai.d t8, a2, 1
+ beqz t8, less_2bytes
+ st.h a1, a0, 0
+ st.h a1, t7, -2
+
+ jr ra
+
+less_2bytes:
+ beqz a2, less_1bytes
+ st.b a1, a0, 0
+
+ jr ra
+
+less_1bytes:
+ jr ra
+
+more_64bytes:
+ srli.d a0, a0, 3
+ slli.d a0, a0, 3
+ addi.d a0, a0, 0x8
+ st.d a1, t0, 0
+ sub.d t2, t0, a0
+ add.d a2, t2, a2
+
+ addi.d a2, a2, -0x80
+ blt a2, zero, end_unalign_proc
+
+loop_less:
+ ST_128(0)
+ addi.d a0, a0, 0x80
+ addi.d a2, a2, -0x80
+ bge a2, zero, loop_less
+
+end_unalign_proc:
+ addi.d a2, a2, 0x80
+
+ pcaddi t1, 20
+ andi t5, a2, 0x78
+ srli.d t5, t5, 1
+ sub.d t1, t1, t5
+ jirl zero, t1, 0
+
+end_120_128_unalign:
+ st.d a1, a0, 112
+end_112_120_unalign:
+ st.d a1, a0, 104
+end_104_112_unalign:
+ st.d a1, a0, 96
+end_96_104_unalign:
+ st.d a1, a0, 88
+end_88_96_unalign:
+ st.d a1, a0, 80
+end_80_88_unalign:
+ st.d a1, a0, 72
+end_72_80_unalign:
+ st.d a1, a0, 64
+end_64_72_unalign:
+ st.d a1, a0, 56
+end_56_64_unalign:
+ st.d a1, a0, 48
+end_48_56_unalign:
+ st.d a1, a0, 40
+end_40_48_unalign:
+ st.d a1, a0, 32
+end_32_40_unalign:
+ st.d a1, a0, 24
+end_24_32_unalign:
+ st.d a1, a0, 16
+end_16_24_unalign:
+ st.d a1, a0, 8
+end_8_16_unalign:
+ st.d a1, a0, 0
+end_0_8_unalign:
+
+ st.d a1, t7, -8
+
+ move v0, t0
+ jr ra
+
+END(MEMSET)
+
+#ifndef ANDROID_CHANGES
+#ifdef _LIBC
+libc_hidden_builtin_def (memset)
+#endif
+#endif
diff --git a/sysdeps/loongarch/lp64/s_cosf.S b/sysdeps/loongarch/lp64/s_cosf.S
new file mode 100644
index 00000000..5bfabefb
--- /dev/null
+++ b/sysdeps/loongarch/lp64/s_cosf.S
@@ -0,0 +1,409 @@
+#include <sysdep.h>
+#include <sys/asm.h>
+#include <libm-alias-float.h>
+
+/* Short algorithm description:
+ *
+ * 1) if |x|==0: sin(x)=x,
+ * cos(x)=1.
+ * 2) if |x|<2^-27: sin(x)=x-x*DP_SMALL, raising underflow only when needed,
+ * cos(x)=1-|x|.
+ * 3) if |x|<2^-5 : sin(x)=x+x*x^2*DP_SIN2_0+x^5*DP_SIN2_1,
+ * cos(x)=1+1*x^2*DP_COS2_0+x^5*DP_COS2_1
+ * 4) if |x|< Pi/4: sin(x)=x+x*x^2*(S0+x^2*(S1+x^2*(S2+x^2*(S3+x^2*S4)))),
+ * cos(x)=1+1*x^2*(C0+x^2*(C1+x^2*(C2+x^2*(C3+x^2*C4)))).
+ * 5) if |x| < 9*Pi/4:
+ * 5.1) Range reduction:
+ * k=trunc(|x|/(Pi/4)), j=(k+1)&0x0e, n=k+1, t=|x|-j*Pi/4.
+ * 5.2) Reconstruction:
+ * sign_sin = sign(x) * (-1.0)^(( n >>2)&1)
+ * sign_cos = (-1.0)^(((n+2)>>2)&1)
+ * poly_sin = ((((S4*t^2 + S3)*t^2 + S2)*t^2 + S1)*t^2 + S0)*t^2*t+t
+ * poly_cos = ((((C4*t^2 + C3)*t^2 + C2)*t^2 + C1)*t^2 + C0)*t^2*s+s
+ * if(n&2 != 0) {
+ * using cos(t) and sin(t) polynomials for |t|<Pi/4, results are
+ * cos(x) = poly_sin * sign_cos
+ * sin(x) = poly_cos * sign_sin
+ * } else {
+ * sin(x) = poly_sin * sign_sin
+ * cos(x) = poly_cos * sign_cos
+ * }
+ * 6) if |x| < 2^23, large args:
+ * 6.1) Range reduction:
+ * k=trunc(|x|/(Pi/4)), j=(k+1)&0xfffffffe, n=k+1, t=|x|-j*Pi/4
+ * 6.2) Reconstruction same as (5.2).
+ * 7) if |x| >= 2^23, very large args:
+ * 7.1) Range reduction:
+ * k=trunc(|x|/(Pi/4)), j=(k+1)&0xfffffffe, n=k+1, t=|x|-j*Pi/4.
+ * 7.2) Reconstruction same as (5.2).
+ * 8) if x is Inf, return x-x, and set errno=EDOM.
+ * 9) if x is NaN, return x-x.
+ *
+ * Special cases:
+ * sin/cos(+-0) = +-0/1 not raising inexact/underflow,
+ * sin/cos(subnormal) raises inexact/underflow,
+ * sin/cos(min_normalized) raises inexact/underflow,
+ * sin/cos(normalized) raises inexact,
+ * sin/cos(Inf) = NaN, raises invalid, sets errno to EDOM,
+ * sin/cos(NaN) = NaN.
+ */
+
+#define COSF __cosf
+
+#define LOADFD(rd, rs, label) \
+ la.local rs, label;\
+ fld.d rd, rs, 0
+
+#define LOADFS(rd, rs, label) \
+ la.local rs, label;\
+ fld.s rd, rs, 0
+
+#define FTOL(rd, rs, tmp) \
+ ftintrz.l.d tmp, rs;\
+ movfr2gr.d rd, tmp
+
+#define FTOW(rd, rs, tmp) \
+ ftintrz.w.d tmp, rs;\
+ movfr2gr.s rd, tmp
+
+#define WTOF(rd, rs, tmp) \
+ movgr2fr.w tmp, rs;\
+ ffint.d.w rd, tmp
+
+#define LTOF(rd, rs, tmp) \
+ movgr2fr.d tmp, rs;\
+ ffint.d.l rd, tmp
+
+LEAF(COSF)
+ .align 2
+ .align 3
+ /* fa0 is SP x; fa1 is DP x */
+ movfr2gr.s t0, fa0 /* Bits of x */
+ fcvt.d.s fa1, fa0 /* DP x */
+ li.w t1, 0x7fffffff
+ and t0, t0, t1 /* |x| */
+ li.w t1, 0x3f490fdb /* const Pi/4 */
+ bltu t0, t1, L(arg_less_pio4) /* |x| < Pi/4 branch */
+ li.w t1, 0x40e231d6 /* 9*Pi/4 */
+ la.local t4, L(DP_) /*DP_ base addr*/
+ bgeu t0, t1, L(greater_or_equal_9pio4) /* |x| >= 9*Pi/4 branch */
+/* L(median_args): */
+ /* Here if Pi/4<=|x|<9*Pi/4 */
+ fabs.d fa0, fa1 /* DP |x| */
+ fld.d fa1, t4, 56 /* 4/Pi */
+ fmul.d fa1, fa1, fa0 /* DP |x|/(Pi/4) */
+ FTOW( t0, fa1, fa1 ) /* k=trunc(|x|/(Pi/4)) */
+ la.local t1, L(PIO2J) /* base addr of PIO2J table */
+ addi.w t0, t0, 1 /* k+1 */
+ bstrpick.d t2, t0, 3, 1 /* j=n/2 */
+ alsl.d t1, t2, t1, 3
+ fld.d fa1, t1, 0 /* j*Pi/2 */
+ addi.w t0, t0, 2 /* n = k+3 */
+ fsub.d fa0, fa0, fa1 /* t = |x| - j * Pi/2 */
+/* Input: t0=n fa0=t*/
+L(reduced):
+ /* Here if cos(x) calculated using cos(t) polynomial for |t|<Pi/4:
+ * y = t*t; z = y*y;
+ * s = sign(x) * (-1.0)^((n>>2)&1)
+ * result = s * (1.0+t^2*(C0+t^2*(C1+t^2*(C2+t^2*(C3+t^2*C4)))))
+
+ * Here if cos(x) calculated using sin(t) polynomial for |t|<Pi/4:
+ * y = t*t; z = y*y;
+ * s = sign(x) * (-1.0)^((n>>2)&1)
+ * result = s * t * (1.0+t^2*(S0+t^2*(S1+t^2*(S2+t^2*(S3+t^2*S4)))))
+ */
+ /* TODO: what is the best order ??? */
+ /* load-to-use latency, hardware module usage, integer pipeline & float pipeline */
+ /* cancel branch */
+ slli.w t0, t0, 1 /* (n << 1) */
+ andi t1, t0, 4 /* (n << 1) & 4 */
+ alsl.d t2, t1, t4, 4 /* adjust to DP_C or DP_S */
+ fld.d fa3, t2, 32 /* C4 */
+ andi t0, t0, 8 /* =====> (n << 1) & 8 */
+ fmul.d fa1, fa0, fa0 /* y=x^2 */
+ fld.d fa4, t2, 16 /* C2 */
+ fmul.d fa2, fa1, fa1 /* z=x^4 */
+ fld.d fa5, t2, 24 /* C3 */
+ la.local t3, L(DP_ONES) /* =====> DP_ONES */
+ fld.d fa6, t2, 8 /* C1 */
+ fmadd.d fa4, fa2, fa3, fa4 /* cx = C2+z*C4 */
+ fld.d fa3, t2, 0 /* C0 */
+ fmadd.d fa5, fa2, fa5, fa6 /* cy = C1+z*C3 */
+ fld.d fa6, t3, 0 /* one */
+ fmadd.d fa4, fa2, fa4, fa3 /* cx = C0+z*cx */
+ add.d t0, t0, t3 /* =====> addr */
+ fmadd.d fa4, fa1, fa5, fa4 /* cx = cx+y*cy */
+ fld.d fa2, t0, 0 /* sign */
+ fmadd.d fa4, fa4, fa1, fa6 /* 1.0+y*cx */
+ fmul.d fa1, fa2, fa4 /* sign * cx */
+ bnez t1, L_return
+ fmul.d fa1, fa1, fa0 /* t*s, where s = sign(x) * (-1.0)^((n>>2)&1) */
+L_return:
+ fcvt.s.d fa0, fa1 /* SP result */
+ jr ra
+
+L(greater_or_equal_9pio4):
+ /* Here if |x|>=9*Pi/4 */
+ li.w t1, 0x7f800000 /* x is Inf or NaN? */
+ bgeu t0, t1, L(inf_or_nan) /* |x| >= Inf branch */
+ /* Here if finite |x|>=9*Pi/4 */
+ li.w t1, 0x4b000000 /* 2^23 */
+ bgeu t0, t1, L(greater_or_equal_2p23) /* |x| >= 2^23 branch */
+ /* Here if 9*Pi/4<=|x|<2^23 */
+ fabs.d fa0, fa1 /* DP |x| */
+ fld.d fa1, t4, 56
+ fmul.d fa1, fa1, fa0 /* |x|/(Pi/4) */
+ FTOW( t0, fa1, fa1 ) /* k=trunc(|x|/(Pi/4)) */
+ addi.w t0, t0, 1 /* k+1 */
+ srli.w t1, t0, 1 /* x=n/2 */
+ WTOF( fa1, t1, fa1 ) /* DP x */
+ fld.d fa2, t4, 104 /* -PIO2HI = high part of -Pi/2 */
+ fld.d fa3, t4, 112 /* -PIO2LO = low part of -Pi/2 */
+ fmadd.d fa0, fa2, fa1, fa0 /* |x| - x*PIO2HI */
+ addi.w t0, t0, 2 /* n = k+3 */
+ fmadd.d fa0, fa3, fa1, fa0 /* |x| - x*PIO2HI - x*PIO2LO */
+ b L(reduced)
+
+L(greater_or_equal_2p23):
+ /* Here if finite |x|>=2^23 */
+ fabs.s fa5, fa0 /* SP |x| */
+ /* bitpos = (ix>>23) - BIAS_32; */
+ srli.w t0, t0, 23 /*TODO???srai.w eb = biased exponent of x */
+ /* bitpos = eb - 0x7f + 59, where 0x7f is exponent bias */
+ addi.w t0, t0, -124 /* t0 = bitpos */
+ /* t3= j = bitpos/28 */
+ /* x/28 = (x * ((0x100000000 / 28) + 1)) >> 32 */
+ li.w t1, 0x924924a
+ mulh.wu t0, t1, t0
+ fcvt.d.s fa5, fa5 /* Convert to double */
+ /* TODO: what is the best order ??? */
+ la.local t1, L(invpio4_table) /* t2 */
+ alsl.d t1, t0, t1, 3
+ fld.d fa0, t1, 0 /* invpio4_table[j] */
+ fld.d fa1, t1, 8 /* invpio4_table[j+1] */
+ fmul.d fa0, fa0, fa5 /* a = invpio4_table[j]*|x| */
+ fld.d fa2, t1, 16 /* invpio4_table[j+2] */
+ fmul.d fa1, fa1, fa5 /* b = invpio4_table[j+1]*|x| */
+ fld.d fa3, t1, 24 /* invpio4_table[j+3] */
+ fmul.d fa2, fa2, fa5 /* c = invpio4_table[j+2]*|x| */
+ fmul.d fa3, fa3, fa5 /* d = invpio4_table[j+3]*|x| */
+/*TODO: overflow check*/
+ FTOL( t0, fa0, fa4 ) /*uint64_t l = a; TODO: change the order*/
+ li.w t1, -8 /* 0xfffffffffffffff8 */
+ and t0, t0, t1 /* l &= ~0x7; */
+ LTOF( fa4, t0, fa4 ) /* DP l*/
+ fsub.d fa0, fa0, fa4 /* a -= l; */
+ fadd.d fa4, fa0, fa1 /* fa4 double e = a + b; */
+/*TODO: overflow check*/
+ FTOL( t0, fa4, fa4 ) /*uint64_t l = e;*/
+ andi t2, t0, 1 /* l & 1 TODO: change the order*/
+ LOADFD( fa5, t1, L(DP_ONES) ) /* fa5 = 1.0 */
+ LTOF( fa4, t0, fa4 ) /* fa4 DP l*/
+/* critical!!!! the order */
+ fsub.d fa0, fa0, fa4
+ fld.d fa4, t4, 120 /* PI_4 */
+ beqz t2, L_even_integer
+/*L_odd_integer:*/
+ fsub.d fa0, fa0, fa5
+ fadd.d fa0, fa0, fa1
+ fadd.d fa2, fa2, fa3
+ fadd.d fa0, fa0, fa2
+ addi.d t0, t0, 3
+ fmul.d fa0, fa0, fa4
+ b L(reduced)
+L_even_integer:
+ fadd.d fa0, fa0, fa1
+ fadd.d fa2, fa2, fa3
+ fadd.d fa0, fa0, fa2
+ fcmp.sle.d $fcc0, fa0, fa5
+ addi.d t0, t0, 3
+ bcnez $fcc0, L_leq_one
+/*L_gt_one:*/
+ fld.d fa2, t1, 16 /* 2.0 */
+ addi.d t0, t0, 1
+ fsub.d fa0, fa0, fa2
+L_leq_one:
+ fmul.d fa0, fa0, fa4
+ b L(reduced)
+
+L(arg_less_pio4):
+ /* Here if |x|<Pi/4 */
+ li.w t1, 0x3d000000 /* const 2^-5 */
+ blt t0, t1, L(less_2pn5) /* |x| < 2^-5 branch */
+ /* Here if 2^-5<=|x|<Pi/4 */
+ /*
+ * Chebyshev polynomial of the form:
+ * 1.0+x^2*(C0+x^2*(C1+x^2*(C2+x^2*(C3+x^2*C4)))).
+ */
+ la.local t0, L(DP_) /*DP_ base addr*/
+ fld.d fa3, t0, 96 /* C4 */
+ fmul.d fa1, fa1, fa1 /* y=x^2 */
+ fld.d fa4, t0, 80 /* C2 */
+ fmul.d fa2, fa1, fa1 /* z=x^4 */
+ fld.d fa5, t0, 88 /* C3 */
+ fld.d fa6, t0, 72 /* C1 */
+ fmadd.d fa0, fa2, fa3, fa4 /* cx = C2+z*C4 */
+ fld.d fa3, t0, 64 /* C0 */
+ fmadd.d fa5, fa2, fa5, fa6 /* cy = C1+z*C3 */
+ la.local t0, L(DP_ONES)
+ fmadd.d fa0, fa0, fa2, fa3 /* cx = C0+z*cx */
+ fld.d fa2, t0, 0 /* 1.0 */
+ fmadd.d fa0, fa1, fa5, fa0 /* cx = cx+y*cy */
+ fmadd.d fa0, fa0, fa1, fa2 /* 1.0+y*cx */
+ /*
+ fld.d fa6, t0, 96
+ fld.d fa5, t0, 88
+ fld.d fa4, t0, 80
+ fmul.d fa1, fa1, fa1
+ fld.d fa3, t0, 72
+ fld.d fa2, t0, 64
+ la.local t0, L(DP_ONES)
+ fld.d fa6, t0, 0
+ fmadd.d fa0, fa1, fa5, fa0
+ fmadd.d fa0, fa1, fa4, fa0
+ fmadd.d fa0, fa1, fa3, fa0
+ fmadd.d fa0, fa1, fa2, fa0
+ fmadd.d fa0, fa1, fa5, fa4
+ */
+ fcvt.s.d fa0, fa0
+ jr ra
+
+L(less_2pn5):
+ /* Here if |x|<2^-5 */
+ li.w t1, 0x32000000 /* 2^-27? */
+ blt t0, t1, L(less_2pn27)
+ /* Here if 2^-27<=|x|<2^-5 */
+ fmul.d fa0, fa1, fa1 /* theta2=x^2 */
+ la.local t0, L(DP_)
+ fld.d fa2, t0, 48 /* DP_COS2_1 */
+ fmul.d fa1, fa1, fa0 /* x*theta2 */
+ fld.d fa3, t0, 40 /* DP_COS2_0 */
+ la.local t0, L(DP_ONES)
+ fld.d fa4, t0, 0 /* 1.0 */
+ fmadd.d fa1, fa1, fa2, fa3 /* DP_COS2_0+x^2*DP_COS2_1 */
+ fmadd.d fa0, fa0, fa1, fa4 /* cx = 1.0 + theta2 * cx */
+ fcvt.s.d fa0, fa0
+ jr ra
+
+L(less_2pn27):
+ /* Here if |x|<2^-27 */
+ fabs.s fa0, fa0
+ LOADFS( fa1, t0, L(SP_ONE) ) /* 1.0 */
+ fsub.s fa0, fa1, fa0 /* 1.0 - abstheta */
+ /* No need to convert */
+ jr ra
+
+L(inf_or_nan):
+ /* Here if |x| is Inf or NAN */
+ bne t0, t1, L_skip_errno_setting /* in case of x is NaN */
+ la.tls.ie t0, errno
+ li.w t1, 0x21
+ stx.w t1, t0, tp
+L_skip_errno_setting:
+ /* Here if |x| is Inf or NAN. Continued. */
+ fsub.s fa0, fa0, fa0 /* Result is NaN */
+ jr ra
+END(COSF)
+
+ .section .rodata
+ .align 3
+ .type L(PIO2J), @object
+ .size L(PIO2J), 48
+L(PIO2J): /* Table of j*Pi/2, for j=0,1,..,5 */
+ .word 0x00000000
+ .word 0x00000000
+ .word 0x54442d18
+ .word 0x3ff921fb
+ .word 0x54442d18
+ .word 0x400921fb
+ .word 0x7f3321d2
+ .word 0x4012d97c
+ .word 0x54442d18
+ .word 0x401921fb
+ .word 0x2955385e
+ .word 0x401f6a7a
+
+ .align 3
+ .type L(invpio4_table), @object
+ .size L(invpio4_table), 64
+L(invpio4_table): /* 4/Pi broken into sum of positive DP values */
+ .word 0x00000000
+ .word 0x00000000
+ .word 0x6c000000
+ .word 0x3ff45f30
+ .word 0x2a000000
+ .word 0x3e3c9c88
+ .word 0xa8000000
+ .word 0x3c54fe13
+ .word 0xd0000000
+ .word 0x3aaf47d4
+ .word 0x6c000000
+ .word 0x38fbb81b
+ .word 0xe0000000
+ .word 0x3714acc9
+ .word 0x7c000000
+ .word 0x3560e410
+
+/* Coefficients of polynomial
+ for sin(x)~=x+x^3*DP_SIN2_0+x^5*DP_SIN2_1, |x|<2^-5. */
+/* Coefficients of polynomial
+ for sin(t)~=t+t^3*(S0+t^2*(S1+t^2*(S2+t^2*(S3+t^2*S4)))), |t|<Pi/4.
+ for cos(t)~=1.0+t^2*(C0+t^2*(C1+t^2*(C2+t^2*(C3+t^2*C4)))), |t|<Pi/4.
+*/
+ .align 3
+ .type L(DP_), @object
+ .size L(DP_), 128
+L(DP_):
+ .word 0x55551cd9
+ .word 0xbfc55555 /*S0*/
+ .word 0x10c2688b
+ .word 0x3f811111 /*S1*/
+ .word 0x8b4bd1f9
+ .word 0xbf2a019f /*S2*/
+ .word 0x64e6b5b4
+ .word 0x3ec71d72 /*S3*/
+ .word 0x1674b58a
+ .word 0xbe5a947e /*S4*/
+ .word 0xff5cc6fd
+ .word 0xbfdfffff /*CC0 +40*/
+ .word 0xb178dac5
+ .word 0x3fa55514 /*CC1 +48*/
+ .word 0x6dc9c883
+ .word 0x3ff45f30 /* inv_PI_4 */
+ .word 0xfffe98ae
+ .word 0xbfdfffff /*C0*/
+ .word 0x545c50c7
+ .word 0x3fa55555 /*C1*/
+ .word 0x348b6874
+ .word 0xbf56c16b /*C2*/
+ .word 0x9ac43cc0
+ .word 0x3efa00eb /*C3*/
+ .word 0xdd8844d7
+ .word 0xbe923c97 /*C4*/
+ .word 0x54400000
+ .word 0xbff921fb /* PI_2_hi */
+ .word 0x1a626332
+ .word 0xbdd0b461 /* PI_2_lo */
+ .word 0x54442d18
+ .word 0x3fe921fb /* PI_4 */
+
+ .align 3
+ .type L(DP_ONES), @object
+ .size L(DP_ONES), 24
+L(DP_ONES):
+ .word 0x00000000
+ .word 0x3ff00000 /* +1.0 */
+ .word 0x00000000
+ .word 0xbff00000 /* -1.0 */
+ .word 0x00000000
+ .word 0x40000000 /* +2.0 */
+
+ .align 2
+L(SP_INVPIO4):
+ .word 0x3fa2f983 /* 4/Pi */
+
+ .align 2
+L(SP_ONE):
+ .word 0x3f800000 /* 1.0 */
+
+libm_alias_float (__cos, cos)
diff --git a/sysdeps/loongarch/lp64/s_sinf.S b/sysdeps/loongarch/lp64/s_sinf.S
new file mode 100644
index 00000000..91c9db9e
--- /dev/null
+++ b/sysdeps/loongarch/lp64/s_sinf.S
@@ -0,0 +1,392 @@
+#include <sysdep.h>
+#include <sys/asm.h>
+#include <libm-alias-float.h>
+
+/* Short algorithm description:
+ *
+ * 1) if |x|==0: sin(x)=x,
+ * cos(x)=1.
+ * 2) if |x|<2^-27: sin(x)=x-x*DP_SMALL, raising underflow only when needed,
+ * cos(x)=1-|x|.
+ * 3) if |x|<2^-5 : sin(x)=x+x*x^2*DP_SIN2_0+x^5*DP_SIN2_1,
+ * cos(x)=1+1*x^2*DP_COS2_0+x^5*DP_COS2_1
+ * 4) if |x|< Pi/4: sin(x)=x+x*x^2*(S0+x^2*(S1+x^2*(S2+x^2*(S3+x^2*S4)))),
+ * cos(x)=1+1*x^2*(C0+x^2*(C1+x^2*(C2+x^2*(C3+x^2*C4)))).
+ * 5) if |x| < 9*Pi/4:
+ * 5.1) Range reduction:
+ * k=trunc(|x|/(Pi/4)), j=(k+1)&0x0e, n=k+1, t=|x|-j*Pi/4.
+ * 5.2) Reconstruction:
+ * sign_sin = sign(x) * (-1.0)^(( n >>2)&1)
+ * sign_cos = (-1.0)^(((n+2)>>2)&1)
+ * poly_sin = ((((S4*t^2 + S3)*t^2 + S2)*t^2 + S1)*t^2 + S0)*t^2*t+t
+ * poly_cos = ((((C4*t^2 + C3)*t^2 + C2)*t^2 + C1)*t^2 + C0)*t^2*s+s
+ * if(n&2 != 0) {
+ * using cos(t) and sin(t) polynomials for |t|<Pi/4, results are
+ * cos(x) = poly_sin * sign_cos
+ * sin(x) = poly_cos * sign_sin
+ * } else {
+ * sin(x) = poly_sin * sign_sin
+ * cos(x) = poly_cos * sign_cos
+ * }
+ * 6) if |x| < 2^23, large args:
+ * 6.1) Range reduction:
+ * k=trunc(|x|/(Pi/4)), j=(k+1)&0xfffffffe, n=k+1, t=|x|-j*Pi/4
+ * 6.2) Reconstruction same as (5.2).
+ * 7) if |x| >= 2^23, very large args:
+ * 7.1) Range reduction:
+ * k=trunc(|x|/(Pi/4)), j=(k+1)&0xfffffffe, n=k+1, t=|x|-j*Pi/4.
+ * 7.2) Reconstruction same as (5.2).
+ * 8) if x is Inf, return x-x, and set errno=EDOM.
+ * 9) if x is NaN, return x-x.
+ *
+ * Special cases:
+ * sin/cos(+-0) = +-0/1 not raising inexact/underflow,
+ * sin/cos(subnormal) raises inexact/underflow,
+ * sin/cos(min_normalized) raises inexact/underflow,
+ * sin/cos(normalized) raises inexact,
+ * sin/cos(Inf) = NaN, raises invalid, sets errno to EDOM,
+ * sin/cos(NaN) = NaN.
+ */
+
+#define SINF __sinf
+
+#define LOADFD(rd, rs, label) \
+ la.local rs, label;\
+ fld.d rd, rs, 0
+
+#define LOADFS(rd, rs, label) \
+ la.local rs, label;\
+ fld.s rd, rs, 0
+
+#define FTOL(rd, rs, tmp) \
+ ftintrz.l.d tmp, rs;\
+ movfr2gr.d rd, tmp
+
+#define FTOW(rd, rs, tmp) \
+ ftintrz.w.d tmp, rs;\
+ movfr2gr.s rd, tmp
+
+#define WTOF(rd, rs, tmp) \
+ movgr2fr.w tmp, rs;\
+ ffint.d.w rd, tmp
+
+#define LTOF(rd, rs, tmp) \
+ movgr2fr.d tmp, rs;\
+ ffint.d.l rd, tmp
+
+LEAF(SINF)
+ .align 2
+ .align 3
+ /* fa0 is SP x; fa1 is DP x */
+ movfr2gr.s t2, fa0 /* Bits of x */
+ fcvt.d.s fa1, fa0 /* DP x */
+ li.w t1, 0x7fffffff
+ and t0, t2, t1 /* |x| */
+ li.w t1, 0x3f490fdb /* const Pi/4 */
+ bltu t0, t1, L(arg_less_pio4) /* |x| < Pi/4 branch */
+ li.w t1, 0x40e231d6 /* 9*Pi/4 */
+ la.local t4, L(DP_) /*DP_ base addr*/
+ bstrpick.d t5, t2, 31, 31 /* sign of x */
+ slli.w t5, t5, 3
+ bgeu t0, t1, L(greater_or_equal_9pio4) /* |x| >= 9*Pi/4 branch */
+/* L(median_args): */
+ /* Here if Pi/4<=|x|<9*Pi/4 */
+ fabs.d fa0, fa1 /* DP |x| */
+ fld.d fa1, t4, 56 /* 4/Pi */
+ fmul.d fa1, fa1, fa0 /* DP |x|/(Pi/4) */
+ FTOW( t0, fa1, fa1 ) /* k=trunc(|x|/(Pi/4)) */
+ la.local t1, L(PIO2J) /* base addr of PIO2J table */
+ addi.w t0, t0, 1 /* k+1 */
+ bstrpick.d t2, t0, 3, 1 /* j=n/2 */
+ alsl.d t1, t2, t1, 3
+ fld.d fa1, t1, 0 /* j*Pi/2 */
+ fsub.d fa0, fa0, fa1 /* t = |x| - j * Pi/2 */
+/* Input: t0=n fa0=t*/
+/* Input: t0=n fa0=t, t5=sign(x) */
+L(reduced):
+ /* Here if cos(x) calculated using cos(t) polynomial for |t|<Pi/4:
+ * y = t*t; z = y*y;
+ * s = sign(x) * (-1.0)^((n>>2)&1)
+ * result = s * (1.0+t^2*(C0+t^2*(C1+t^2*(C2+t^2*(C3+t^2*C4)))))
+
+ * Here if cos(x) calculated using sin(t) polynomial for |t|<Pi/4:
+ * y = t*t; z = y*y;
+ * s = sign(x) * (-1.0)^((n>>2)&1)
+ * result = s * t * (1.0+t^2*(S0+t^2*(S1+t^2*(S2+t^2*(S3+t^2*S4)))))
+ */
+ /* TODO: what is the best order ??? */
+ /* load-to-use latency, hardware module usage, integer pipeline & float pipeline */
+ /* cancel branch */
+ slli.w t0, t0, 1 /* (n << 1) */
+ andi t1, t0, 4 /* (n << 1) & 4 */
+ alsl.d t2, t1, t4, 4 /* adjust to DP_C or DP_S */
+ fld.d fa3, t2, 32 /* C4 */
+ andi t0, t0, 8 /* =====> (n << 1) & 8 */
+ fmul.d fa1, fa0, fa0 /* y=x^2 */
+ xor t0, t0, t5 /* (-1.0)^((n>>2)&1) XOR sign(x) */
+ fld.d fa4, t2, 16 /* C2 */
+ fmul.d fa2, fa1, fa1 /* z=x^4 */
+ fld.d fa5, t2, 24 /* C3 */
+ la.local t3, L(DP_ONES) /* =====> DP_ONES */
+ fld.d fa6, t2, 8 /* C1 */
+ fmadd.d fa4, fa2, fa3, fa4 /* cx = C2+z*C4 */
+ fld.d fa3, t2, 0 /* C0 */
+ fmadd.d fa5, fa2, fa5, fa6 /* cy = C1+z*C3 */
+ fld.d fa6, t3, 0 /* 1.0 */
+ fmadd.d fa4, fa2, fa4, fa3 /* cx = C0+z*cx */
+ add.d t0, t0, t3 /* =====> addr */
+ fmadd.d fa4, fa1, fa5, fa4 /* cx = cx+y*cy */
+ fld.d fa2, t0, 0 /* sign */
+ fmadd.d fa4, fa4, fa1, fa6 /* 1.0+y*cx */
+ fmul.d fa1, fa2, fa4 /* sign * cx */
+ bnez t1, L_return
+ fmul.d fa1, fa1, fa0 /* t*s, where s = sign(x) * (-1.0)^((n>>2)&1) */
+L_return:
+ fcvt.s.d fa0, fa1 /* SP result */
+ jr ra
+
+L(greater_or_equal_9pio4):
+ /* Here if |x|>=9*Pi/4 */
+ li.w t1, 0x7f800000 /* x is Inf or NaN? */
+ bgeu t0, t1, L(inf_or_nan) /* |x| >= Inf branch */
+ /* Here if finite |x|>=9*Pi/4 */
+ li.w t1, 0x4b000000 /* 2^23 */
+ bgeu t0, t1, L(greater_or_equal_2p23) /* |x| >= 2^23 branch */
+ /* Here if 9*Pi/4<=|x|<2^23 */
+ fabs.d fa0, fa1 /* DP |x| */
+ fld.d fa1, t4, 56
+ fmul.d fa1, fa1, fa0 /* |x|/(Pi/4) */
+ FTOW( t0, fa1, fa1 ) /* k=trunc(|x|/(Pi/4)) */
+ addi.w t0, t0, 1 /* k+1 */
+ srli.w t1, t0, 1 /* x=n/2 */
+ WTOF( fa1, t1, fa1 ) /* DP x */
+ fld.d fa2, t4, 104 /* -PIO2HI = high part of -Pi/2 */
+ fld.d fa3, t4, 112 /* -PIO2LO = low part of -Pi/2 */
+ fmadd.d fa0, fa2, fa1, fa0 /* |x| - x*PIO2HI */
+ fmadd.d fa0, fa3, fa1, fa0 /* |x| - x*PIO2HI - x*PIO2LO */
+ b L(reduced)
+
+L(greater_or_equal_2p23):
+ /* Here if finite |x|>=2^23 */
+ fabs.s fa5, fa0 /* SP |x| */
+ /* bitpos = (ix>>23) - BIAS_32; */
+ srli.w t0, t0, 23 /*TODO???srai.w eb = biased exponent of x */
+ /* bitpos = eb - 0x7f + 59, where 0x7f is exponent bias */
+ addi.w t0, t0, -124 /* t0 = bitpos */
+ /* t3= j = bitpos/28 */
+ /* x/28 = (x * ((0x100000000 / 28) + 1)) >> 32 */
+ li.w t1, 0x924924a
+ mulh.wu t0, t1, t0
+ fcvt.d.s fa5, fa5 /* Convert to double */
+ /* TODO: what is the best order ??? */
+ la.local t1, L(invpio4_table) /* t2 */
+ alsl.d t1, t0, t1, 3
+ fld.d fa0, t1, 0 /* invpio4_table[j] */
+ fld.d fa1, t1, 8 /* invpio4_table[j+1] */
+ fmul.d fa0, fa0, fa5 /* a = invpio4_table[j]*|x| */
+ fld.d fa2, t1, 16 /* invpio4_table[j+2] */
+ fmul.d fa1, fa1, fa5 /* b = invpio4_table[j+1]*|x| */
+ fld.d fa3, t1, 24 /* invpio4_table[j+3] */
+ fmul.d fa2, fa2, fa5 /* c = invpio4_table[j+2]*|x| */
+ fmul.d fa3, fa3, fa5 /* d = invpio4_table[j+3]*|x| */
+/*TODO: overflow check*/
+ FTOL( t0, fa0, fa4 ) /*uint64_t l = a; TODO: change the order*/
+ li.w t1, -8 /* 0xfffffffffffffff8 */
+ and t0, t0, t1 /* l &= ~0x7; */
+ LTOF( fa4, t0, fa4 ) /* DP l*/
+ fsub.d fa0, fa0, fa4 /* a -= l; */
+ fadd.d fa4, fa0, fa1 /* fa4 double e = a + b; */
+/*TODO: overflow check*/
+ FTOL( t0, fa4, fa4 ) /*uint64_t l = e;*/
+ andi t2, t0, 1 /* l & 1 TODO: change the order*/
+ LOADFD( fa5, t1, L(DP_ONES) ) /* fa5 = 1.0 */
+ LTOF( fa4, t0, fa4 ) /* fa4 DP l*/
+/* critical!!!! the order */
+ fsub.d fa0, fa0, fa4
+ fld.d fa4, t4, 120 /* PI_4 */
+ beqz t2, L_even_integer
+/*L_odd_integer:*/
+ fsub.d fa0, fa0, fa5
+ fadd.d fa0, fa0, fa1
+ fadd.d fa2, fa2, fa3
+ fadd.d fa0, fa0, fa2
+ addi.d t0, t0, 1
+ fmul.d fa0, fa0, fa4
+ b L(reduced)
+L_even_integer:
+ fadd.d fa0, fa0, fa1
+ fadd.d fa2, fa2, fa3
+ fadd.d fa0, fa0, fa2
+ fcmp.sle.d $fcc0, fa0, fa5
+ addi.d t0, t0, 1
+ bcnez $fcc0, L_leq_one
+/*L_gt_one:*/
+ fld.d fa2, t1, 16 /* 2.0 */
+ addi.d t0, t0, 1
+ fsub.d fa0, fa0, fa2
+L_leq_one:
+ fmul.d fa0, fa0, fa4
+ b L(reduced)
+
+L(arg_less_pio4):
+ /* Here if |x|<Pi/4 */
+ li.w t1, 0x3d000000 /* const 2^-5 */
+ blt t0, t1, L(less_2pn5) /* |x| < 2^-5 branch */
+ /* Here if 2^-5<=|x|<Pi/4 */
+ /*
+ * Chebyshev polynomial of the form:
+ * 1.0+x^2*(C0+x^2*(C1+x^2*(C2+x^2*(C3+x^2*C4)))).
+ */
+ la.local t0, L(DP_) /*DP_ base addr*/
+ fld.d fa3, t0, 32 /* S4 */
+ fmul.d fa0, fa1, fa1 /* y=x^2 */
+ fld.d fa4, t0, 16 /* S2 */
+ fmul.d fa2, fa0, fa0 /* z=x^4 */
+ fld.d fa5, t0, 24 /* S3 */
+ fmul.d fa7, fa0, fa1 /* w=x^3 */
+ fld.d fa6, t0, 8 /* S1 */
+ fmadd.d fa4, fa2, fa3, fa4 /* sx = S2+z*S4 */
+ fld.d fa3, t0, 0 /* S0 */
+ fmadd.d fa5, fa5, fa2, fa6 /* sy = S1+z*S3 */
+ fmadd.d fa4, fa4, fa2, fa3 /* sx = S0+z*sx */
+ fmadd.d fa4, fa0, fa5, fa4 /* sx = sx+y*sy */
+ fmadd.d fa0, fa4, fa7, fa1 /* sx = x +w*sx */
+ fcvt.s.d fa0, fa0
+ jr ra
+
+L(less_2pn5):
+ /* Here if |x|<2^-5 */
+ li.w t1, 0x32000000 /* 2^-27? */
+ blt t0, t1, L(less_2pn27)
+ /* Here if 2^-27<=|x|<2^-5 */
+ fmul.d fa0, fa1, fa1 /* theta2=x^2 */
+ la.local t0, L(DP_)
+ fld.d fa2, t0, 48 /* SS_1 */
+ fmul.d fa4, fa1, fa0 /* theta3=x^3 */
+ fld.d fa3, t0, 40 /* SS_0 */
+ fmadd.d fa0, fa0, fa2, fa3 /* sx = SS_0+theta2*SS_1 */
+ fmadd.d fa0, fa0, fa4, fa1 /* sx = theta + theta3 * sx */
+ fcvt.s.d fa0, fa0
+ jr ra
+
+L(less_2pn27):
+ /* Here if |x|<2^-27 */
+ beqz t0, L(eq_zero)
+ la.local t0, L(DP_ONES)
+ fld.d fa2, t0, 24
+ /*fmul.d fa2, fa2, fa1
+ *fsub.d fa0, fa1, fa2*/
+ fnmsub.d fa0, fa1, fa2, fa1
+ fcvt.s.d fa0, fa0
+L(eq_zero):
+ jr ra
+
+L(inf_or_nan):
+ /* Here if |x| is Inf or NAN */
+ bne t0, t1, L_skip_errno_setting /* in case of x is NaN */
+ la.tls.ie t0, errno
+ li.w t1, 0x21
+ stx.w t1, t0, tp
+L_skip_errno_setting:
+ /* Here if |x| is Inf or NAN. Continued. */
+ fsub.s fa0, fa0, fa0 /* Result is NaN */
+ jr ra
+END(SINF)
+
+ .section .rodata
+ .align 3
+ .type L(PIO2J), @object
+ .size L(PIO2J), 48
+L(PIO2J): /* Table of j*Pi/2, for j=0,1,..,5 */
+ .word 0x00000000
+ .word 0x00000000
+ .word 0x54442d18
+ .word 0x3ff921fb
+ .word 0x54442d18
+ .word 0x400921fb
+ .word 0x7f3321d2
+ .word 0x4012d97c
+ .word 0x54442d18
+ .word 0x401921fb
+ .word 0x2955385e
+ .word 0x401f6a7a
+
+ .align 3
+ .type L(invpio4_table), @object
+ .size L(invpio4_table), 64
+L(invpio4_table): /* 4/Pi broken into sum of positive DP values */
+ .word 0x00000000
+ .word 0x00000000
+ .word 0x6c000000
+ .word 0x3ff45f30
+ .word 0x2a000000
+ .word 0x3e3c9c88
+ .word 0xa8000000
+ .word 0x3c54fe13
+ .word 0xd0000000
+ .word 0x3aaf47d4
+ .word 0x6c000000
+ .word 0x38fbb81b
+ .word 0xe0000000
+ .word 0x3714acc9
+ .word 0x7c000000
+ .word 0x3560e410
+
+/* Coefficients of polynomial
+ for sin(x)~=x+x^3*DP_SIN2_0+x^5*DP_SIN2_1, |x|<2^-5. */
+/* Coefficients of polynomial
+ for sin(t)~=t+t^3*(S0+t^2*(S1+t^2*(S2+t^2*(S3+t^2*S4)))), |t|<Pi/4.
+ for cos(t)~=1.0+t^2*(C0+t^2*(C1+t^2*(C2+t^2*(C3+t^2*C4)))), |t|<Pi/4.
+*/
+ .align 3
+ .type L(DP_), @object
+ .size L(DP_), 128
+L(DP_):
+ .word 0x55551cd9
+ .word 0xbfc55555 /*S0*/
+ .word 0x10c2688b
+ .word 0x3f811111 /*S1*/
+ .word 0x8b4bd1f9
+ .word 0xbf2a019f /*S2*/
+ .word 0x64e6b5b4
+ .word 0x3ec71d72 /*S3*/
+ .word 0x1674b58a
+ .word 0xbe5a947e /*S4*/
+ .word 0x5543d49d
+ .word 0xbfc55555 /*SS0 +40*/
+ .word 0x75cec8c5
+ .word 0x3f8110f4 /*SS1 +48*/
+ .word 0x6dc9c883
+ .word 0x3ff45f30 /* inv_PI_4 */
+ .word 0xfffe98ae
+ .word 0xbfdfffff /*C0*/
+ .word 0x545c50c7
+ .word 0x3fa55555 /*C1*/
+ .word 0x348b6874
+ .word 0xbf56c16b /*C2*/
+ .word 0x9ac43cc0
+ .word 0x3efa00eb /*C3*/
+ .word 0xdd8844d7
+ .word 0xbe923c97 /*C4*/
+ .word 0x54400000
+ .word 0xbff921fb /* PI_2_hi */
+ .word 0x1a626332
+ .word 0xbdd0b461 /* PI_2_lo */
+ .word 0x54442d18
+ .word 0x3fe921fb /* PI_4 */
+
+ .align 3
+ .type L(DP_ONES), @object
+ .size L(DP_ONES), 32
+L(DP_ONES):
+ .word 0x00000000
+ .word 0x3ff00000 /* +1.0 */
+ .word 0x00000000
+ .word 0xbff00000 /* -1.0 */
+ .word 0x00000000
+ .word 0x40000000 /* +2.0 */
+ .word 0x00000000
+ .word 0x3cd00000 /* 2^(-50) */
+
+
+libm_alias_float (__sin, sin)
diff --git a/sysdeps/loongarch/lp64/strchr.S b/sysdeps/loongarch/lp64/strchr.S
new file mode 100644
index 00000000..872101db
--- /dev/null
+++ b/sysdeps/loongarch/lp64/strchr.S
@@ -0,0 +1,140 @@
+/* Copyright 2016 Loongson Technology Corporation Limited */
+
+/* Author: songyuekun songyuekun@loongson.cn */
+
+/*
+ * ISA: MIPS64R2
+ * ABI: N64
+ */
+
+/* basic algorithm :
+
+ +. use ld.d and mask for the first 8 bytes or less;
+
+ +. build a1 with 8c with dins;
+
+ +. use xor from a1 and v0 to check if is found;
+
+ +. if (v0 - 0x0101010101010101) & (~(v0 | 0x7f7f7f7f7f7f7f7f)!= 0, v0 has
+ one byte is \0, else has no \0
+
+*/
+
+
+
+
+#include <sysdep.h>
+#include <sys/asm.h>
+
+
+
+
+
+#define L_ADDIU addi.d
+#define L_ADDU add.d
+#define L_SUBU sub.d
+
+#define STRCHR strchr
+#define MOVN(rd,rs,rt) \
+ maskeqz t6, rs, rt;\
+ masknez rd, rd, rt;\
+ or rd, rd, t6
+
+#define MOVN2(rd,rt) \
+ masknez rd, rd, rt;\
+ or rd, rd, rt
+
+
+/* char * strchr (const char *s1, int c); */
+
+LEAF(STRCHR)
+ .align 6
+
+ li.w t4, 0x7
+ lu12i.w a2, 0x01010
+ bstrins.d a1, a1, 15, 8
+ andi t0, a0, 0x7
+
+ ori a2, a2, 0x101
+ andn t4, a0, t4
+ slli.w t1, t0, 3
+
+ ld.d t4, t4, 0
+
+
+ nor t8, zero, zero
+ bstrins.d a1, a1, 31, 16
+ srl.d t4, t4, t1
+
+ bstrins.d a1, a1, 63, 32
+ bstrins.d a2, a2, 63, 32
+ srl.d a7, t8, t1
+
+ li.w t1, 8
+ nor t8, a7, zero
+ slli.d a3, a2, 7
+ or t5, t8, t4
+ and t3, a7, a1
+
+ sub.w t1, t1, t0
+ nor a3, a3, zero
+ xor t2, t5, t3
+ sub.d a7, t5, a2
+ nor a6, t5, a3
+
+ sub.d a5, t2, a2
+ nor a4, t2, a3
+
+ and a6, a7, a6
+ and a5, a5, a4
+ or a7, a6, a5
+ bnez a7, L(_mc8_a)
+
+ L_ADDU a0, a0, t1
+L(_aloop):
+ ld.d t4, a0, 0
+
+ xor t2, t4, a1
+ sub.d a7, t4, a2
+ nor a6, t4, a3
+ sub.d a5, t2, a2
+
+ nor a4, t2, a3
+ and a6, a7, a6
+ and a5, a5, a4
+ or a7, a6, a5
+ bnez a7, L(_mc8_a)
+
+ ld.d t4, a0, 8
+ L_ADDIU a0, a0, 16
+ xor t2, t4, a1
+ sub.d a7, t4, a2
+ nor a6, t4, a3
+ sub.d a5, t2, a2
+
+ nor a4, t2, a3
+ and a6, a7, a6
+ and a5, a5, a4
+ or a7, a6, a5
+ beqz a7, L(_aloop)
+
+ L_ADDIU a0, a0, -8
+L(_mc8_a):
+
+ ctz.d t0, a5
+ ctz.d t2, a6
+
+ srli.w t0, t0, 3
+ srli.w t2, t2, 3
+ sltu t1, t2, t0
+ L_ADDU v0, a0, t0
+ masknez v0, v0, t1
+ jr ra
+END(STRCHR)
+
+#ifndef ANDROID_CHANGES
+#ifdef _LIBC
+libc_hidden_builtin_def (strchr)
+weak_alias (strchr, index)
+#endif
+#endif
diff --git a/sysdeps/loongarch/lp64/strchrnul.S b/sysdeps/loongarch/lp64/strchrnul.S
new file mode 100644
index 00000000..a57a5065
--- /dev/null
+++ b/sysdeps/loongarch/lp64/strchrnul.S
@@ -0,0 +1,156 @@
+/* Copyright 2016 Loongson Technology Corporation Limited */
+
+/* Author: Songyuekun songyuekun@loongson.cn */
+
+/*
+ * ISA: MIPS64R2
+ * ABI: N64
+ */
+
+/* basic algorithm :
+
+ +. use ld.d and mask for the first 8 bytes or less;
+
+ +. build a1 with 8c with dins;
+
+ +. use xor from a1 and v0 to check if is found;
+
+ +. if (v0 - 0x0101010101010101) & (~(v0 | 0x7f7f7f7f7f7f7f7f)!= 0, v0 has
+ one byte is \0, else has no \0
+
+*/
+
+
+
+
+#include <sysdep.h>
+#include <sys/asm.h>
+
+
+
+
+
+#define L_ADDIU addi.d
+#define L_ADDU add.d
+#define L_SUBU sub.d
+
+#define STRCHRNUL __strchrnul
+
+#define MOVN(rd,rs,rt) \
+ maskeqz t6, rs, rt;\
+ masknez rd, rd, rt;\
+ or rd, rd, t6
+
+#define MOVZ(rd,rs,rt) \
+ masknez t6, rs, rt;\
+ maskeqz rd, rd, rt;\
+ or rd, rd, t6
+
+
+#define MOVN2(rd,rt) \
+ masknez rd, rd, rt;\
+ or rd, rd, rt
+
+
+/* char * strchrnul (const char *s1, int c); */
+
+LEAF(STRCHRNUL)
+ .align 6
+
+ li.w t4, 0x7
+ lu12i.w a2, 0x01010
+ bstrins.d a1, a1, 15, 8
+ andi t0, a0, 0x7
+
+ ori a2, a2, 0x101
+ andn t4, a0, t4
+ slli.w t1, t0, 3
+/*
+ ldr t4, 0(a0)
+*/
+ ld.d t4, t4, 0
+
+
+ nor t8, zero, zero
+ bstrins.d a1, a1, 31, 16
+ srl.d t4, t4, t1
+
+ preld 0, a0, 32
+ bstrins.d a1, a1, 63, 32
+ bstrins.d a2, a2, 63, 32
+ srl.d a7, t8, t1
+
+ nor t8, a7, zero
+ slli.d a3, a2, 7
+ or t5, t8, t4
+ and t3, a7, a1
+
+ nor a3, a3, zero
+ xor t2, t5, t3
+ sub.d a7, t5, a2
+ nor a6, t5, a3
+
+ li.w t1, 8
+ sub.d a5, t2, a2
+ nor a4, t2, a3
+
+ and a6, a7, a6
+ and a5, a5, a4
+ or a7, a6, a5
+ bnez a7, L(_mc8_a)
+
+
+ sub.w t1, t1, t0
+ L_ADDU a0, a0, t1
+L(_aloop):
+ ld.d t4, a0, 0
+
+ xor t2, t4, a1
+ sub.d a7, t4, a2
+ nor a6, t4, a3
+ sub.d a5, t2, a2
+
+ nor a4, t2, a3
+ and a6, a7, a6
+ and a5, a5, a4
+
+ or a7, a6, a5
+ bnez a7, L(_mc8_a)
+
+ ld.d t4, a0, 8
+ L_ADDIU a0, a0, 16
+
+ xor t2, t4, a1
+ sub.d a7, t4, a2
+ nor a6, t4, a3
+ sub.d a5, t2, a2
+
+ nor a4, t2, a3
+ and a6, a7, a6
+ and a5, a5, a4
+
+ or a7, a6, a5
+ beqz a7, L(_aloop)
+
+ L_ADDIU a0, a0, -8
+L(_mc8_a):
+
+ ctz.d t0, a5
+ ctz.d t2, a6
+
+ srli.w t0, t0, 3
+ srli.w t2, t2, 3
+ slt t1, t0, t2
+
+ MOVZ(t0,t2,t1)
+
+ L_ADDU v0, a0, t0
+ jr ra
+END(STRCHRNUL)
+
+#ifndef ANDROID_CHANGES
+#ifdef _LIBC
+weak_alias(__strchrnul, strchrnul)
+libc_hidden_builtin_def (__strchrnul)
+#endif
+#endif
diff --git a/sysdeps/loongarch/lp64/strcmp.S b/sysdeps/loongarch/lp64/strcmp.S
new file mode 100644
index 00000000..11474bf2
--- /dev/null
+++ b/sysdeps/loongarch/lp64/strcmp.S
@@ -0,0 +1,197 @@
+/* Copyright 2016 Loongson Technology Corporation Limited */
+
+/* Author: songyuekun songyuekun@loongson.cn */
+
+/*
+ * ISA: MIPS64R2
+ * ABI: N64
+ */
+
+/* basic algorithm :
+
+ +. let t0, t1 point to a0, a1, if a0 has smaller low 3 bit of a0 and a1,
+ set a4 to 1 and let t0 point to the larger of lower 3bit of a0 and a1
+
+ +. if low 3 bit of a0 equal low 3 bit of a0, use a ldr one time and more ld other times;
+
+ +. if not, load partial t2 and t3, check if t2 has \0;
+
+ +. then use use ld for t0, ldr for t1,
+
+ +. if partial 8 byte from t1 has \0, compare partial 8 byte from t1 with 8
+ byte from t0 with a mask in a7
+
+ +. if not, ldl other part of t1, compare 8 byte from t1 with 8 byte from t0
+
+ +. if (v0 - 0x0101010101010101) & (~v0) & 0x8080808080808080 != 0, v0 has
+ one byte is \0, else has no \0
+
+ +. for partial 8 byte from ldr t3, 0(a0), preload t3 with 0xffffffffffffffff
+
+
+*/
+#include <sys/asm.h>
+#include <sys/regdef.h>
+
+
+#define STRCMP strcmp
+
+#define REP8_01 0x0101010101010101
+#define REP8_7f 0x7f7f7f7f7f7f7f7f
+#define REP8_80 0x8080808080808080
+
+/* Parameters and Results */
+#define src1 a0
+#define src2 a1
+#define result v0
+// Note: v0 = a0 in N64 ABI
+
+
+/* Internal variable */
+#define data1 t0
+#define data2 t1
+#define has_nul t2
+#define diff t3
+#define syndrome t4
+#define zeroones t5
+#define sevenf t6
+#define pos t7
+#define exchange t8
+#define tmp1 a4
+#define tmp2 a5
+#define tmp3 a6
+#define src1_off a2
+#define src2_off a3
+#define tmp4 a7
+
+/* rd <- if rc then ra else rb
+ will destroy tmp3
+*/
+#define CONDITIONSEL(rd,rc,ra,rb)\
+ masknez tmp3, rb, rc;\
+ maskeqz rd, ra, rc;\
+ or rd, rd, tmp3
+
+
+
+/* int strcmp (const char *s1, const char *s2); */
+
+LEAF(STRCMP)
+ .align 4
+
+ xor tmp1, src1, src2
+ lu12i.w zeroones, 0x01010
+ lu12i.w sevenf, 0x7f7f7
+ andi src1_off, src1, 0x7
+ ori zeroones, zeroones, 0x101
+ ori sevenf, sevenf, 0xf7f
+ andi tmp1, tmp1, 0x7
+ bstrins.d zeroones, zeroones, 63, 32
+ bstrins.d sevenf, sevenf, 63, 32
+ bnez tmp1, strcmp_misaligned8
+ bnez src1_off, strcmp_mutual_align
+strcmp_loop_aligned:
+ ld.d data1, src1, 0
+ addi.d src1, src1, 8
+ ld.d data2, src2, 0
+ addi.d src2, src2, 8
+strcmp_start_realigned:
+ sub.d tmp1, data1, zeroones
+ or tmp2, data1, sevenf
+ xor diff, data1, data2
+ andn has_nul, tmp1, tmp2
+ or syndrome, diff, has_nul
+ beqz syndrome, strcmp_loop_aligned
+
+strcmp_end:
+ ctz.d pos, syndrome
+ bstrins.d pos, zero, 2, 0
+ srl.d data1, data1, pos
+ srl.d data2, data2, pos
+ andi data1, data1, 0xff
+ andi data2, data2, 0xff
+ sub.d result, data1, data2
+ jr ra
+strcmp_mutual_align:
+ bstrins.d src1, zero, 2, 0
+ bstrins.d src2, zero, 2, 0
+ slli.d tmp1, src1_off, 0x3
+ ld.d data1, src1, 0
+ sub.d tmp1, zero, tmp1
+ ld.d data2, src2, 0
+ addi.d src1, src1, 8
+ addi.d src2, src2, 8
+ nor tmp2, zero, zero
+ srl.d tmp2, tmp2, tmp1
+ or data1, data1, tmp2
+ or data2, data2, tmp2
+ b strcmp_start_realigned
+
+strcmp_misaligned8:
+
+/* check
+ if ((src1 != 0) && ((src2 == 0 ) || (src1 < src2)))
+ then exchange(src1,src2)
+
+*/
+ andi src2_off, src2, 0x7
+ slt tmp2, src1_off, src2_off
+ CONDITIONSEL(tmp2,src2_off,tmp2,tmp1)
+ maskeqz exchange, tmp2, src1_off
+ xor tmp3, src1, src2
+ maskeqz tmp3, tmp3, exchange
+ xor src1, src1, tmp3
+ xor src2, src2, tmp3
+
+ andi src1_off, src1, 0x7
+ beqz src1_off, strcmp_loop_misaligned
+strcmp_do_misaligned:
+ ld.bu data1, src1, 0
+ ld.bu data2, src2, 0
+ xor tmp3, data1, data2
+ addi.d src1, src1, 1
+ masknez tmp3, data1, tmp3
+ addi.d src2, src2, 1
+ beqz tmp3, strcmp_done
+ andi src1_off, src1, 0x7
+ bnez src1_off, strcmp_do_misaligned
+
+strcmp_loop_misaligned:
+ andi tmp1, src2, 0xff8
+ xori tmp1, tmp1, 0xff8
+ beqz tmp1, strcmp_do_misaligned
+ ld.d data1, src1, 0
+ ld.d data2, src2, 0
+ addi.d src1, src1, 8
+ addi.d src2, src2, 8
+
+ sub.d tmp1, data1, zeroones
+ or tmp2, data1, sevenf
+ xor diff, data1, data2
+ andn has_nul, tmp1, tmp2
+ or syndrome, diff, has_nul
+ beqz syndrome, strcmp_loop_misaligned
+// b strcmp_end
+strcmp_misalign_end:
+ ctz.d pos, syndrome
+ bstrins.d pos, zero, 2, 0
+ srl.d data1, data1, pos
+ srl.d data2, data2, pos
+ andi data1, data1, 0xff
+ andi data2, data2, 0xff
+ sub.d tmp1, data1, data2
+ sub.d tmp2, data2, data1
+ CONDITIONSEL(result,exchange,tmp2,tmp1)
+ jr ra
+
+strcmp_done:
+ sub.d tmp1, data1, data2
+ sub.d tmp2, data2, data1
+ CONDITIONSEL(result,exchange,tmp2,tmp1)
+ jr ra
+END(STRCMP)
+#ifndef ANDROID_CHANGES
+#ifdef _LIBC
+libc_hidden_builtin_def (strcmp)
+#endif
+#endif
diff --git a/sysdeps/loongarch/lp64/strcpy.S b/sysdeps/loongarch/lp64/strcpy.S
new file mode 100644
index 00000000..ce39e5a1
--- /dev/null
+++ b/sysdeps/loongarch/lp64/strcpy.S
@@ -0,0 +1,210 @@
+/* Copyright 2016 Loongson Technology Corporation Limited */
+
+/* Author: Huang Pei huangpei@loongson.cn */
+
+/*
+ * ISA: MIPS64R2
+ * ABI: N64
+ */
+
+/* basic algorithm :
+
+ +. if src aligned. just do the copy loop. if not, do the cross page check and copy one double word.
+
+ Then move src to aligned.
+
+ +. if (v0 - 0x0101010101010101) & (~v0) & 0x8080808080808080 != 0, v0 has
+ one byte is \0, else has no \0
+
+
+*/
+
+
+#include <sys/asm.h>
+#include <sys/regdef.h>
+
+
+#define STRCPY strcpy
+
+
+#define REP8_01 0x0101010101010101
+#define REP8_7f 0x7f7f7f7f7f7f7f7f
+#define REP8_80 0x8080808080808080
+
+/* Parameters and Results */
+#define dest a0
+#define src a1
+#define result v0
+// Note: v0 = a0 in N64 ABI
+
+
+/* Internal variable */
+#define data t0
+#define data1 t1
+#define has_nul t2
+#define diff t3
+#define syndrome t4
+#define zeroones t5
+#define sevenf t6
+#define pos t7
+#define dest_backup t8
+#define tmp1 a4
+#define tmp2 a5
+#define tmp3 a6
+#define dest_off a2
+#define src_off a3
+#define tmp4 a7
+
+/* rd <- if rc then ra else rb
+ will destroy tmp3
+*/
+#define CONDITIONSEL(rd,rc,ra,rb)\
+ masknez tmp3, rb, rc;\
+ maskeqz rd, ra, rc;\
+ or rd, rd, tmp3
+
+
+
+/* int strcpy (const char *s1, const char *s2); */
+
+LEAF(STRCPY)
+ .align 4
+
+ move dest_backup, dest
+ lu12i.w zeroones, 0x01010
+ lu12i.w sevenf, 0x7f7f7
+ ori zeroones, zeroones, 0x101
+ ori sevenf, sevenf, 0xf7f
+ bstrins.d zeroones, zeroones, 63, 32
+ bstrins.d sevenf, sevenf, 63, 32
+ andi src_off, src, 0x7
+ beqz src_off, strcpy_loop_aligned_1
+ b strcpy_mutual_align
+strcpy_loop_aligned:
+ st.d data, dest, 0
+ addi.d dest, dest, 8
+strcpy_loop_aligned_1:
+ ld.d data, src, 0
+ addi.d src, src, 8
+strcpy_start_realigned:
+ sub.d tmp1, data, zeroones
+ or tmp2, data, sevenf
+ andn has_nul, tmp1, tmp2
+ beqz has_nul, strcpy_loop_aligned
+
+strcpy_end:
+
+/*
+8 4 2 1
+*/
+ ctz.d pos, has_nul
+ srli.d pos, pos, 3
+ addi.d pos, pos, 1
+/*
+ Do 8/4/2/1 strcpy based on pos value.
+ pos value is the number of bytes to be copied
+ the bytes include the final \0 so the max length is 8 and the min length is 1
+*/
+
+strcpy_end_8:
+ andi tmp1, pos, 0x8
+ beqz tmp1, strcpy_end_4
+ st.d data, dest, 0
+ move dest, dest_backup
+ jr ra
+strcpy_end_4:
+ andi tmp1, pos, 0x4
+ beqz tmp1, strcpy_end_2
+ st.w data, dest, 0
+ srli.d data, data, 32
+ addi.d dest, dest, 4
+strcpy_end_2:
+ andi tmp1, pos, 0x2
+ beqz tmp1, strcpy_end_1
+ st.h data, dest, 0
+ srli.d data, data, 16
+ addi.d dest, dest, 2
+strcpy_end_1:
+ andi tmp1, pos, 0x1
+ beqz tmp1, strcpy_end_ret
+ st.b data, dest, 0
+strcpy_end_ret:
+ move result, dest_backup
+ jr ra
+
+
+strcpy_mutual_align:
+/*
+ Check if around src page bound.
+ if not go to page cross ok.
+ if it is, do further check.
+ use tmp2 to accelerate.
+*/
+
+ li.w tmp2, 0xff8
+ andi tmp1, src, 0xff8
+ beq tmp1, tmp2, strcpy_page_cross
+
+strcpy_page_cross_ok:
+/*
+ Load a misaligned double word and check if has \0
+ If no, do a misaligned double word paste.
+ If yes, calculate the number of avaliable bytes,
+ then jump to 4/2/1 end.
+*/
+ ld.d data, src, 0
+ sub.d tmp1, data, zeroones
+ or tmp2, data, sevenf
+ andn has_nul, tmp1, tmp2
+ bnez has_nul, strcpy_end
+strcpy_mutual_align_finish:
+/*
+ Before jump back to align loop, make dest/src aligned.
+ This will cause a duplicated paste for several bytes between the first double word and the second double word,
+ but should not bring a problem.
+*/
+ li.w tmp1, 8
+ st.d data, dest, 0
+ sub.d tmp1, tmp1, src_off
+ add.d src, src, tmp1
+ add.d dest, dest, tmp1
+
+ b strcpy_loop_aligned_1
+
+strcpy_page_cross:
+/*
+ ld.d from aligned address(src & ~0x7).
+ check if high bytes have \0.
+ it not, go back to page cross ok,
+ since the string is supposed to cross the page bound in such situation.
+ if it is, do a srl for data to make it seems like a direct double word from src,
+ then go to 4/2/1 strcpy end.
+
+ tmp4 is 0xffff...ffff mask
+ tmp2 demonstrate the bytes to be masked
+ tmp2 = src_off << 3
+ data = data >> (src_off * 8) | -1 << (64 - src_off * 8)
+ and
+ -1 << (64 - src_off * 8) -> ~(-1 >> (src_off * 8))
+
+*/
+ li.w tmp1, 0x7
+ andn tmp3, src, tmp1
+ ld.d data, tmp3, 0
+ li.w tmp4, -1
+ slli.d tmp2, src_off, 3
+ srl.d tmp4, tmp4, tmp2
+ srl.d data, data, tmp2
+ nor tmp4, tmp4, zero
+ or data, data, tmp4
+ sub.d tmp1, data, zeroones
+ or tmp2, data, sevenf
+ andn has_nul, tmp1, tmp2
+ beqz has_nul, strcpy_page_cross_ok
+ b strcpy_end
+END(STRCPY)
+#ifndef ANDROID_CHANGES
+#ifdef _LIBC
+libc_hidden_builtin_def (strcpy)
+#endif
+#endif
diff --git a/sysdeps/loongarch/lp64/strlen.S b/sysdeps/loongarch/lp64/strlen.S
new file mode 100644
index 00000000..a34d8b69
--- /dev/null
+++ b/sysdeps/loongarch/lp64/strlen.S
@@ -0,0 +1,135 @@
+/* Copyright 2016 Loongson Technology Corporation Limited */
+
+/* Author: Songyuekun songyuekun@loongson.cn */
+
+/*
+ * ISA: MIPS64R2
+ * ABI: N64
+ */
+/*
+algorithm:
+
+ #. use ld/ldr to access word/partial word in the string
+
+ #. use (x - 0x0101010101010101) & (~(x | 0x7f7f7f7f7f7f7f7f) != 0 to
+ judge if x has zero byte
+
+ #. use dctz((x - 0x0101010101010101) & (~(x | 0x7f7f7f7f7f7f7f7f) >> 3
+ to get the index of first rightmost zero byte in dword x;
+
+ #. use dctz(x) = 64 - dclz(~x & (x-1));
+
+ #. use pointer to the last non zero byte minus pointer to the start
+ of the string to get the length of string
+
+*/
+
+
+#include <sysdep.h>
+#include <sys/asm.h>
+
+
+
+#define L_ADDIU addi.d
+#define L_ADDU add.d
+#define L_SUBU sub.d
+
+#define STRLEN strlen
+#define L(x) x
+
+
+/* size_t strlen (const char *s1); */
+
+ .text;
+ .globl strlen;
+ .align 5;
+ cfi_startproc ;
+ .type strlen, @function;
+strlen:
+
+ //LEAF(strlen)
+ #preld 0, a0, 0
+
+ nor t4, zero, zero
+ lu12i.w a2, 0x01010
+ andi t5, a0, 0x7
+
+ li.w t7, 0x7
+ slli.d t6, t5, 0x3
+ andn t7, a0, t7
+ ld.d a1, t7, 0
+ sub.d t7, zero, t6
+ sll.d t4, t4, t7
+ maskeqz t4, t4, t6
+ srl.d a1, a1, t6
+ or a1, a1, t4
+
+
+ ori a2, a2, 0x101
+ nor t1, a1, zero
+ li.w a4, 8
+
+ #preld 0, a0, 32
+ bstrins.d a2, a2, 63, 32
+ sub.d a5, a4, t5
+ move t5, a0
+
+ sub.d t0, a1, a2
+ slli.d t4, a2, 7
+ nor a3, zero, t4
+ nor t1, a1, a3
+
+ and t0, t0, t1
+ #preld 0, a0, 64
+ bnez t0, strlen_count1 /* instead of use bnel with daddu a0, a0, a5 in branch slot */
+ L_ADDU a0, a0, a5
+strlen_loop:
+ ld.d a1, a0, 0
+ sub.d t0, a1, a2
+ and t1, t0, t4
+ bnez t1, strlen_count_pre
+ ld.d a1, a0, 8
+ sub.d t0, a1, a2
+ and t1, t0, t4
+ L_ADDIU a0, a0, 16
+ beqz t1, strlen_loop
+strlen_count:
+ addi.d a0, a0, -8
+strlen_count_pre:
+ nor t1, a1, a3
+ and t0, t0, t1
+ beqz t0, strlen_noascii_start
+strlen_count1:
+ ctz.d t1, t0
+ L_SUBU v0, a0, t5
+ srli.w t1, t1, 3
+ L_ADDU v0, v0, t1
+ jr ra
+strlen_noascii_start:
+ addi.d a0, a0, 8
+strlen_loop_noascii:
+ ld.d a1, a0, 0
+ sub.d t0, a1, a2
+ nor t1, a1, a3
+ and t0, t0, t1
+ bnez t0, strlen_count1
+ ld.d a1, a0, 8
+ sub.d t0, a1, a2
+ nor t1, a1, a3
+ and t0, t0, t1
+ L_ADDIU a0, a0, 16
+ beqz t0, strlen_loop_noascii
+ addi.d a0, a0, -8
+ ctz.d t1, t0
+ L_SUBU v0, a0, t5
+ srli.w t1, t1, 3
+ L_ADDU v0, v0, t1
+ jr ra
+END(STRLEN)
+
+#ifndef ANDROID_CHANGES
+#ifdef _LIBC
+libc_hidden_builtin_def (strlen)
+#endif
+#endif
+
diff --git a/sysdeps/loongarch/lp64/strncmp.S b/sysdeps/loongarch/lp64/strncmp.S
new file mode 100644
index 00000000..29cc7b02
--- /dev/null
+++ b/sysdeps/loongarch/lp64/strncmp.S
@@ -0,0 +1,269 @@
+/* Copyright 2016 Loongson Technology Corporation Limited */
+
+/* Author: songyuekun songyuekun@loongson.cn */
+
+/*
+ * ISA: MIPS64R2
+ * ABI: N64
+ */
+
+/* basic algorithm :
+
+ +. let t0, t1 point to a0, a1, if a0 has smaller low 3 bit of a0 and a1,
+ set a4 to 1 and let t0 point to the larger of lower 3bit of a0 and a1
+
+ +. if low 3 bit of a0 equal low 3 bit of a0, use a ldr one time and more ld other times;
+
+ +. if not, load partial t2 and t3, check if t2 has \0;
+
+ +. then use use ld for t0, ldr for t1,
+
+ +. if partial 8 byte from t1 has \0, compare partial 8 byte from t1 with 8
+ byte from t0 with a mask in a7
+
+ +. if not, ldl other part of t1, compare 8 byte from t1 with 8 byte from t0
+
+ +. if (v0 - 0x0101010101010101) & (~v0) & 0x8080808080808080 != 0, v0 has
+ one byte is \0, else has no \0
+
+ +. for partial 8 byte from ldr t3, 0(a0), preload t3 with 0xffffffffffffffff
+
+
+*/
+#include <sys/asm.h>
+#include <sys/regdef.h>
+
+
+#define STRNCMP strncmp
+
+#define REP8_01 0x0101010101010101
+#define REP8_7f 0x7f7f7f7f7f7f7f7f
+#define REP8_80 0x8080808080808080
+
+/* Parameters and Results */
+#define src1 a0
+#define src2 a1
+#define limit a2
+#define result v0
+// Note: v0 = a0 in N64 ABI
+
+
+/* Internal variable */
+#define data1 t0
+#define data2 t1
+#define has_nul t2
+#define diff t3
+#define syndrome t4
+#define zeroones t5
+#define sevenf t6
+#define pos t7
+#define exchange t8
+#define tmp1 a5
+#define tmp2 a6
+#define tmp3 a7
+#define src1_off a3
+#define limit_wd a4
+
+
+/* int strncmp (const char *s1, const char *s2); */
+
+LEAF(STRNCMP)
+ .align 4
+ beqz limit, strncmp_ret0
+
+ xor tmp1, src1, src2
+ lu12i.w zeroones, 0x01010
+ lu12i.w sevenf, 0x7f7f7
+ andi src1_off, src1, 0x7
+ ori zeroones, zeroones, 0x101
+ andi tmp1, tmp1, 0x7
+ ori sevenf, sevenf, 0xf7f
+ bstrins.d zeroones, zeroones, 63, 32
+ bstrins.d sevenf, sevenf, 63, 32
+ bnez tmp1, strncmp_misaligned8
+ bnez src1_off, strncmp_mutual_align
+ /* */
+ addi.d limit_wd, limit, -1
+ srli.d limit_wd, limit_wd, 3
+
+strncmp_loop_aligned:
+ ld.d data1, src1, 0
+ addi.d src1, src1, 8
+ ld.d data2, src2, 0
+ addi.d src2, src2, 8
+strncmp_start_realigned:
+ addi.d limit_wd, limit_wd, -1
+ sub.d tmp1, data1, zeroones
+ or tmp2, data1, sevenf
+ xor diff, data1, data2
+ andn has_nul, tmp1, tmp2
+ srli.d tmp1, limit_wd, 63
+ or syndrome, diff, has_nul
+ or tmp2, syndrome, tmp1
+ beqz tmp2, strncmp_loop_aligned
+
+ /* if not reach limit */
+ bge limit_wd, zero, strncmp_not_limit
+ /* if reach limit */
+ andi limit, limit, 0x7
+ li.w tmp1, 0x8
+ sub.d limit, tmp1, limit
+ slli.d limit, limit, 0x3
+ li.d tmp1, -1
+ srl.d tmp1, tmp1, limit
+ and data1, data1, tmp1
+ and data2, data2, tmp1
+ orn syndrome, syndrome, tmp1
+
+
+strncmp_not_limit:
+ ctz.d pos, syndrome
+ bstrins.d pos, zero, 2, 0
+ srl.d data1, data1, pos
+ srl.d data2, data2, pos
+ andi data1, data1, 0xff
+ andi data2, data2, 0xff
+ sub.d result, data1, data2
+ jr ra
+
+
+
+strncmp_mutual_align:
+ bstrins.d src1, zero, 2, 0
+ bstrins.d src2, zero, 2, 0
+ slli.d tmp1, src1_off, 0x3
+ ld.d data1, src1, 0
+ ld.d data2, src2, 0
+ addi.d src2, src2, 8
+ addi.d src1, src1, 8
+
+ addi.d limit_wd, limit, -1
+ andi tmp3, limit_wd, 0x7
+ srli.d limit_wd, limit_wd, 3
+ add.d limit, limit, src1_off
+ add.d tmp3, tmp3, src1_off
+ srli.d tmp3, tmp3, 3
+ add.d limit_wd, limit_wd, tmp3
+
+ sub.d tmp1, zero, tmp1
+ nor tmp2, zero, zero
+ srl.d tmp2, tmp2, tmp1
+ or data1, data1, tmp2
+ or data2, data2, tmp2
+ b strncmp_start_realigned
+
+strncmp_misaligned8:
+
+ li.w tmp1, 0x10
+ bge limit, tmp1, strncmp_try_words
+strncmp_byte_loop:
+ ld.bu data1, src1, 0
+ ld.bu data2, src2, 0
+ addi.d limit, limit, -1
+ xor tmp1, data1, data2
+ masknez tmp1, data1, tmp1
+ maskeqz tmp1, limit, tmp1
+ beqz tmp1, strncmp_done
+
+ ld.bu data1, src1, 1
+ ld.bu data2, src2, 1
+ addi.d src1, src1, 2
+ addi.d src2, src2, 2
+ addi.d limit, limit, -1
+ xor tmp1, data1, data2
+ masknez tmp1, data1, tmp1
+ maskeqz tmp1, limit, tmp1
+ bnez tmp1, strncmp_byte_loop
+
+
+strncmp_done:
+ sub.d result, data1, data2
+ jr ra
+
+strncmp_try_words:
+ srli.d limit_wd, limit, 3
+ beqz src1_off, strncmp_do_misaligned
+
+ sub.d src1_off, zero, src1_off
+ andi src1_off, src1_off, 0x7
+ sub.d limit, limit, src1_off
+ srli.d limit_wd, limit, 0x3
+
+
+strncmp_page_end_loop:
+ ld.bu data1, src1, 0
+ ld.bu data2, src2, 0
+ addi.d src1, src1, 1
+ addi.d src2, src2, 1
+ xor tmp1, data1, data2
+ masknez tmp1, data1, tmp1
+ beqz tmp1, strncmp_done
+ andi tmp1, src1, 0x7
+ bnez tmp1, strncmp_page_end_loop
+strncmp_do_misaligned:
+ li.w src1_off, 0x8
+ addi.d limit_wd, limit_wd, -1
+ blt limit_wd, zero, strncmp_done_loop
+
+strncmp_loop_misaligned:
+ andi tmp2, src2, 0xff8
+ xori tmp2, tmp2, 0xff8
+ beqz tmp2, strncmp_page_end_loop
+
+ ld.d data1, src1, 0
+ ld.d data2, src2, 0
+ addi.d src1, src1, 8
+ addi.d src2, src2, 8
+ sub.d tmp1, data1, zeroones
+ or tmp2, data1, sevenf
+ xor diff, data1, data2
+ andn has_nul, tmp1, tmp2
+ or syndrome, diff, has_nul
+ bnez syndrome, strncmp_not_limit
+ addi.d limit_wd, limit_wd, -1
+ #blt zero, limit_wd, strncmp_loop_misaligned
+ bge limit_wd, zero, strncmp_loop_misaligned
+
+strncmp_done_loop:
+ andi limit, limit, 0x7
+ beqz limit, strncmp_not_limit
+ /* Read the last double word */
+ /* check if the final part is about to exceed the page */
+ andi tmp1, src2, 0x7
+ andi tmp2, src2, 0xff8
+ add.d tmp1, tmp1, limit
+ xori tmp2, tmp2, 0xff8
+ andi tmp1, tmp1, 0x8
+ masknez tmp1, tmp1, tmp2
+ bnez tmp1, strncmp_byte_loop
+ addi.d src1, src1, -8
+ addi.d src2, src2, -8
+ ldx.d data1, src1, limit
+ ldx.d data2, src2, limit
+ sub.d tmp1, data1, zeroones
+ or tmp2, data1, sevenf
+ xor diff, data1, data2
+ andn has_nul, tmp1, tmp2
+ or syndrome, diff, has_nul
+ bnez syndrome, strncmp_not_limit
+
+strncmp_ret0:
+ move result, zero
+ jr ra
+/* check
+ if ((src1 != 0) && ((src2 == 0 ) || (src1 < src2)))
+ then exchange(src1,src2)
+
+*/
+
+
+
+
+
+
+END(STRNCMP)
+#ifndef ANDROID_CHANGES
+#ifdef _LIBC
+libc_hidden_builtin_def (strncmp)
+#endif
+#endif
diff --git a/sysdeps/loongarch/lp64/strnlen.S b/sysdeps/loongarch/lp64/strnlen.S
new file mode 100644
index 00000000..3a204686
--- /dev/null
+++ b/sysdeps/loongarch/lp64/strnlen.S
@@ -0,0 +1,155 @@
+/* Copyright 2016 Loongson Technology Corporation Limited */
+
+/* Author: Songyuekun songyuekun@loongson.cn */
+
+/*
+ * ISA: MIPS64R2
+ * ABI: N64
+ */
+/*
+algorithm:
+
+ #. use ld/ldr to access word/partial word in the string
+
+ #. use (x - 0x0101010101010101) & (~(x | 0x7f7f7f7f7f7f7f7f) != 0 to
+ judge if x has zero byte
+
+ #. use dctz((x - 0x0101010101010101) & (~(x | 0x7f7f7f7f7f7f7f7f) >> 3
+ to get the index of first rightmost zero byte in dword x;
+
+ #. use dctz(x) = 64 - dclz(~x & (x-1));
+
+ #. use pointer to the last non zero byte minus pointer to the start
+ of the string to get the length of string
+
+*/
+
+#include <sys/asm.h>
+#include <sys/regdef.h>
+
+
+
+#define L_ADDIU addi.d
+#define L_ADDU add.d
+#define L_SUBU sub.d
+
+#define STRNLEN __strnlen
+#define L(x) x
+/* rd <- if rc then ra else rb
+ will destroy t6
+*/
+
+#define CONDITIONSEL(rd,ra,rb,rc)\
+ masknez a5, rb, rc;\
+ maskeqz rd, ra, rc;\
+ or rd, rd, a5
+
+
+/* Parameters and Results */
+#define srcin a0
+#define limit a1
+#define len v0
+
+
+/* Internal variable */
+#define data1 t0
+#define data2 t1
+#define has_nul1 t2
+#define has_nul2 t3
+#define src t4
+#define zeroones t5
+#define sevenf t6
+#define data2a t7
+#define tmp6 t7
+#define pos t8
+#define tmp1 a2
+#define tmp2 a3
+#define tmp3 a4
+#define tmp4 a5
+#define tmp5 a6
+#define limit_wd a7
+
+
+
+/* size_t strnlen (const char *s1,size_t maxlen); */
+
+LEAF(STRNLEN)
+
+ .align 4
+ beqz limit, L(_hit_limit)
+ lu12i.w zeroones, 0x01010
+ lu12i.w sevenf, 0x7f7f7
+ ori zeroones, zeroones, 0x101
+ ori sevenf, sevenf, 0xf7f
+ bstrins.d zeroones, zeroones, 63, 32
+ bstrins.d sevenf, sevenf, 63, 32
+ andi tmp1, srcin, 15
+ sub.d src, srcin, tmp1
+ bnez tmp1, L(misaligned)
+ addi.d limit_wd, limit, -1
+ srli.d limit_wd, limit_wd, 4
+L(_loop):
+ ld.d data1, src, 0
+ ld.d data2, src, 8
+ addi.d src, src, 16
+L(_realigned):
+ sub.d tmp1, data1, zeroones
+ or tmp2, data1, sevenf
+ sub.d tmp3, data2, zeroones
+ or tmp4, data2, sevenf
+ andn has_nul1, tmp1, tmp2
+ andn has_nul2, tmp3, tmp4
+ addi.d limit_wd, limit_wd, -1
+ srli.d tmp1, limit_wd, 63
+ or tmp2, has_nul1, has_nul2
+ or tmp3, tmp1, tmp2
+ beqz tmp3, L(_loop)
+ beqz tmp2, L(_hit_limit)
+ sub.d len, src, srcin
+ beqz has_nul1, L(_nul_in_data2)
+ move has_nul2, has_nul1
+ addi.d len, len, -8
+L(_nul_in_data2):
+ ctz.d pos, has_nul2
+ srli.d pos, pos, 3
+ addi.d len, len, -8
+ add.d len, len, pos
+ sltu tmp1, len, limit
+ CONDITIONSEL(len,len,limit,tmp1)
+ jr ra
+
+
+L(misaligned):
+ addi.d limit_wd, limit, -1
+ sub.d tmp4, zero, tmp1
+ andi tmp3, limit_wd, 15
+ srli.d limit_wd, limit_wd, 4
+ li.d tmp5, -1
+ ld.d data1, src, 0
+ ld.d data2, src, 8
+ addi.d src, src, 16
+ slli.d tmp4, tmp4, 3
+ add.d tmp3, tmp3, tmp1
+ srl.d tmp2, tmp5, tmp4
+ srli.d tmp3, tmp3, 4
+ add.d limit_wd, limit_wd, tmp3
+ or data1, data1, tmp2
+ or data2a, data2, tmp2
+ li.w tmp3, 9
+ sltu tmp1, tmp1, tmp3
+ CONDITIONSEL(data1,data1,tmp5,tmp1)
+ CONDITIONSEL(data2,data2,data2a,tmp1)
+ b L(_realigned)
+
+
+L(_hit_limit):
+ move len, limit
+ jr ra
+END(STRNLEN)
+#ifndef ANDROID_CHANGES
+#ifdef _LIBC
+weak_alias (__strnlen, strnlen)
+libc_hidden_def (strnlen)
+libc_hidden_def (__strnlen)
+#endif
+#endif
diff --git a/sysdeps/loongarch/lstat.c b/sysdeps/loongarch/lstat.c
new file mode 100644
index 00000000..f47a56af
--- /dev/null
+++ b/sysdeps/loongarch/lstat.c
@@ -0,0 +1 @@
+#include <io/lstat.c>
diff --git a/sysdeps/loongarch/lstat64.c b/sysdeps/loongarch/lstat64.c
new file mode 100644
index 00000000..d6811656
--- /dev/null
+++ b/sysdeps/loongarch/lstat64.c
@@ -0,0 +1 @@
+#include <io/lstat64.c>
diff --git a/sysdeps/loongarch/machine-gmon.h b/sysdeps/loongarch/machine-gmon.h
new file mode 100644
index 00000000..0b49082d
--- /dev/null
+++ b/sysdeps/loongarch/machine-gmon.h
@@ -0,0 +1,37 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* Accept 'frompc' address as argument from the function that calls
+ _mcount for profiling. Use __builtin_return_address (0)
+ for the 'selfpc' address. */
+
+#include <sysdep.h>
+
+static void mcount_internal (unsigned long int frompc,
+ unsigned long int selfpc);
+
+#define _MCOUNT_DECL(frompc, selfpc) \
+static inline void mcount_internal (unsigned long int frompc, \
+unsigned long int selfpc)
+
+#define MCOUNT \
+void _mcount (void *frompc) \
+{ \
+ mcount_internal ((unsigned long int) frompc, \
+ (unsigned long int) RETURN_ADDRESS (0)); \
+}
diff --git a/sysdeps/loongarch/math_private.h b/sysdeps/loongarch/math_private.h
new file mode 100644
index 00000000..140eef07
--- /dev/null
+++ b/sysdeps/loongarch/math_private.h
@@ -0,0 +1,245 @@
+/* Internal math stuff. LOONGARCH version.
+ Copyright (C) 2013-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef LOONGARCH_MATH_PRIVATE_H
+#define LOONGARCH_MATH_PRIVATE_H 1
+
+/* Inline functions to speed up the math library implementation. The
+ default versions of these routines are in generic/math_private.h
+ and call fesetround, feholdexcept, etc. These routines use inlined
+ code instead. */
+
+#ifdef __loongarch_hard_float
+
+# include <fenv.h>
+# include <fenv_libc.h>
+# include <fpu_control.h>
+
+# define _FPU_MASK_ALL (_FPU_MASK_V | _FPU_MASK_Z | _FPU_MASK_O \
+ |_FPU_MASK_U | _FPU_MASK_I | FE_ALL_EXCEPT)
+
+static __always_inline void
+libc_feholdexcept_loongarch (fenv_t *envp)
+{
+ fpu_control_t cw;
+
+ /* Save the current state. */
+ _FPU_GETCW (cw);
+ envp->__fp_control_register = cw;
+
+ /* Clear all exception enable bits and flags. */
+ cw &= ~(_FPU_MASK_ALL);
+ _FPU_SETCW (cw);
+}
+# define libc_feholdexcept libc_feholdexcept_loongarch
+# define libc_feholdexceptf libc_feholdexcept_loongarch
+# define libc_feholdexceptl libc_feholdexcept_loongarch
+
+static __always_inline void
+libc_fesetround_loongarch (int round)
+{
+ fpu_control_t cw;
+
+ /* Get current state. */
+ _FPU_GETCW (cw);
+
+ /* Set rounding bits. */
+ cw &= ~_FPU_RC_MASK;
+ cw |= round;
+
+ /* Set new state. */
+ _FPU_SETCW (cw);
+}
+# define libc_fesetround libc_fesetround_loongarch
+# define libc_fesetroundf libc_fesetround_loongarch
+# define libc_fesetroundl libc_fesetround_loongarch
+
+static __always_inline void
+libc_feholdexcept_setround_loongarch (fenv_t *envp, int round)
+{
+ fpu_control_t cw;
+
+ /* Save the current state. */
+ _FPU_GETCW (cw);
+ envp->__fp_control_register = cw;
+
+ /* Clear all exception enable bits and flags. */
+ cw &= ~(_FPU_MASK_ALL);
+
+ /* Set rounding bits. */
+ cw &= ~_FPU_RC_MASK;
+ cw |= round;
+
+ /* Set new state. */
+ _FPU_SETCW (cw);
+}
+# define libc_feholdexcept_setround libc_feholdexcept_setround_loongarch
+# define libc_feholdexcept_setroundf libc_feholdexcept_setround_loongarch
+# define libc_feholdexcept_setroundl libc_feholdexcept_setround_loongarch
+
+# define libc_feholdsetround libc_feholdexcept_setround_loongarch
+# define libc_feholdsetroundf libc_feholdexcept_setround_loongarch
+# define libc_feholdsetroundl libc_feholdexcept_setround_loongarch
+
+static __always_inline void
+libc_fesetenv_loongarch (fenv_t *envp)
+{
+ fpu_control_t cw __attribute__ ((unused));
+
+ /* Read current state to flush fpu pipeline. */
+ _FPU_GETCW (cw);
+
+ _FPU_SETCW (envp->__fp_control_register);
+}
+# define libc_fesetenv libc_fesetenv_loongarch
+# define libc_fesetenvf libc_fesetenv_loongarch
+# define libc_fesetenvl libc_fesetenv_loongarch
+
+static __always_inline int
+libc_feupdateenv_test_loongarch (fenv_t *envp, int excepts)
+{
+ /* int ret = fetestexcept (excepts); feupdateenv (envp); return ret; */
+ int cw, temp;
+
+ /* Get current control word. */
+ _FPU_GETCW (cw);
+
+ /* Set flag bits (which are accumulative), and *also* set the
+ cause bits. The setting of the cause bits is what actually causes
+ the hardware to generate the exception, if the corresponding enable
+ bit is set as well. */
+ temp = cw & FE_ALL_EXCEPT;
+ temp |= envp->__fp_control_register | (temp << CAUSE_SHIFT);
+
+ /* Set new state. */
+ _FPU_SETCW (temp);
+
+ return cw & excepts & FE_ALL_EXCEPT;
+}
+# define libc_feupdateenv_test libc_feupdateenv_test_loongarch
+# define libc_feupdateenv_testf libc_feupdateenv_test_loongarch
+# define libc_feupdateenv_testl libc_feupdateenv_test_loongarch
+
+static __always_inline void
+libc_feupdateenv_loongarch (fenv_t *envp)
+{
+ libc_feupdateenv_test_loongarch (envp, 0);
+}
+# define libc_feupdateenv libc_feupdateenv_loongarch
+# define libc_feupdateenvf libc_feupdateenv_loongarch
+# define libc_feupdateenvl libc_feupdateenv_loongarch
+
+# define libc_feresetround libc_feupdateenv_loongarch
+# define libc_feresetroundf libc_feupdateenv_loongarch
+# define libc_feresetroundl libc_feupdateenv_loongarch
+
+static __always_inline int
+libc_fetestexcept_loongarch (int excepts)
+{
+ int cw;
+
+ /* Get current control word. */
+ _FPU_GETCW (cw);
+
+ return cw & excepts & FE_ALL_EXCEPT;
+}
+# define libc_fetestexcept libc_fetestexcept_loongarch
+# define libc_fetestexceptf libc_fetestexcept_loongarch
+# define libc_fetestexceptl libc_fetestexcept_loongarch
+
+/* Enable support for rounding mode context. */
+# define HAVE_RM_CTX 1
+
+static __always_inline void
+libc_feholdexcept_setround_loongarch_ctx (struct rm_ctx *ctx, int round)
+{
+ fpu_control_t old, new;
+
+ /* Save the current state. */
+ _FPU_GETCW (old);
+ ctx->env.__fp_control_register = old;
+
+ /* Clear all exception enable bits and flags. */
+ new = old & ~(_FPU_MASK_ALL);
+
+ /* Set rounding bits. */
+ new = (new & ~_FPU_RC_MASK) | round;
+
+ if (__glibc_unlikely (new != old))
+ {
+ _FPU_SETCW (new);
+ ctx->updated_status = true;
+ }
+ else
+ ctx->updated_status = false;
+}
+# define libc_feholdexcept_setround_ctx libc_feholdexcept_setround_loongarch_ctx
+# define libc_feholdexcept_setroundf_ctx libc_feholdexcept_setround_loongarch_ctx
+# define libc_feholdexcept_setroundl_ctx libc_feholdexcept_setround_loongarch_ctx
+
+static __always_inline void
+libc_fesetenv_loongarch_ctx (struct rm_ctx *ctx)
+{
+ libc_fesetenv_loongarch (&ctx->env);
+}
+# define libc_fesetenv_ctx libc_fesetenv_loongarch_ctx
+# define libc_fesetenvf_ctx libc_fesetenv_loongarch_ctx
+# define libc_fesetenvl_ctx libc_fesetenv_loongarch_ctx
+
+static __always_inline void
+libc_feupdateenv_loongarch_ctx (struct rm_ctx *ctx)
+{
+ if (__glibc_unlikely (ctx->updated_status))
+ libc_feupdateenv_test_loongarch (&ctx->env, 0);
+}
+# define libc_feupdateenv_ctx libc_feupdateenv_loongarch_ctx
+# define libc_feupdateenvf_ctx libc_feupdateenv_loongarch_ctx
+# define libc_feupdateenvl_ctx libc_feupdateenv_loongarch_ctx
+# define libc_feresetround_ctx libc_feupdateenv_loongarch_ctx
+# define libc_feresetroundf_ctx libc_feupdateenv_loongarch_ctx
+# define libc_feresetroundl_ctx libc_feupdateenv_loongarch_ctx
+
+static __always_inline void
+libc_feholdsetround_loongarch_ctx (struct rm_ctx *ctx, int round)
+{
+ fpu_control_t old, new;
+
+ /* Save the current state. */
+ _FPU_GETCW (old);
+ ctx->env.__fp_control_register = old;
+
+ /* Set rounding bits. */
+ new = (old & ~_FPU_RC_MASK) | round;
+
+ if (__glibc_unlikely (new != old))
+ {
+ _FPU_SETCW (new);
+ ctx->updated_status = true;
+ }
+ else
+ ctx->updated_status = false;
+}
+# define libc_feholdsetround_ctx libc_feholdsetround_loongarch_ctx
+# define libc_feholdsetroundf_ctx libc_feholdsetround_loongarch_ctx
+# define libc_feholdsetroundl_ctx libc_feholdsetround_loongarch_ctx
+
+#endif
+
+#include_next <math_private.h>
+
+#endif
diff --git a/sysdeps/loongarch/memusage.h b/sysdeps/loongarch/memusage.h
new file mode 100644
index 00000000..bdf99f8a
--- /dev/null
+++ b/sysdeps/loongarch/memusage.h
@@ -0,0 +1,21 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define GETSP() ({ register uintptr_t stack_ptr asm ("$sp"); stack_ptr; })
+
+#include <sysdeps/generic/memusage.h>
diff --git a/sysdeps/loongarch/mknod.c b/sysdeps/loongarch/mknod.c
new file mode 100644
index 00000000..1ed3681f
--- /dev/null
+++ b/sysdeps/loongarch/mknod.c
@@ -0,0 +1 @@
+#include <io/mknod.c>
diff --git a/sysdeps/loongarch/mknodat.c b/sysdeps/loongarch/mknodat.c
new file mode 100644
index 00000000..82bc6ee6
--- /dev/null
+++ b/sysdeps/loongarch/mknodat.c
@@ -0,0 +1 @@
+#include <io/mknodat.c>
diff --git a/sysdeps/loongarch/nptl/Makefile b/sysdeps/loongarch/nptl/Makefile
new file mode 100644
index 00000000..a1d5768a
--- /dev/null
+++ b/sysdeps/loongarch/nptl/Makefile
@@ -0,0 +1,26 @@
+# Makefile for sysdeps/loongarch/nptl.
+# Copyright (C) 2005-2018 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+#
+# The GNU C Library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# The GNU C Library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with the GNU C Library; if not, see
+# <http://www.gnu.org/licenses/>.
+
+ifeq ($(subdir),csu)
+gen-as-const-headers += tcb-offsets.sym
+endif
+
+ifeq ($(subdir),nptl)
+libpthread-sysdep_routines += nptl-sysdep
+libpthread-shared-only-routines += nptl-sysdep
+endif
diff --git a/sysdeps/loongarch/nptl/bits/pthreadtypes-arch.h b/sysdeps/loongarch/nptl/bits/pthreadtypes-arch.h
new file mode 100644
index 00000000..5a761355
--- /dev/null
+++ b/sysdeps/loongarch/nptl/bits/pthreadtypes-arch.h
@@ -0,0 +1,68 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _BITS_PTHREADTYPES_ARCH_H
+#define _BITS_PTHREADTYPES_ARCH_H 1
+
+#include <endian.h>
+
+#if __loongarch_xlen == 64
+# define __SIZEOF_PTHREAD_ATTR_T 56
+# define __SIZEOF_PTHREAD_MUTEX_T 40
+# define __SIZEOF_PTHREAD_MUTEXATTR_T 4
+# define __SIZEOF_PTHREAD_COND_T 48
+# define __SIZEOF_PTHREAD_CONDATTR_T 4
+# define __SIZEOF_PTHREAD_RWLOCK_T 56
+# define __SIZEOF_PTHREAD_RWLOCKATTR_T 8
+# define __SIZEOF_PTHREAD_BARRIER_T 32
+# define __SIZEOF_PTHREAD_BARRIERATTR_T 4
+#else
+# error "rv32i-based systems are not supported"
+#endif
+
+#define __PTHREAD_COMPAT_PADDING_MID
+#define __PTHREAD_COMPAT_PADDING_END
+#define __PTHREAD_MUTEX_LOCK_ELISION 0
+#define __PTHREAD_MUTEX_USE_UNION 0
+#define __PTHREAD_MUTEX_NUSERS_AFTER_KIND 0
+
+#define __LOCK_ALIGNMENT
+#define __ONCE_ALIGNMENT
+
+/* There is a lot of padding in this structure. While it's not strictly
+ necessary on LoongArch, we're going to leave it in to be on the safe side in
+ case it's needed in the future. Most other architectures have the padding,
+ so this gives us the same extensibility as everyone else has. */
+struct __pthread_rwlock_arch_t
+{
+ unsigned int __readers;
+ unsigned int __writers;
+ unsigned int __wrphase_futex;
+ unsigned int __writers_futex;
+ unsigned int __pad3;
+ unsigned int __pad4;
+ int __cur_writer;
+ int __shared;
+ unsigned long int __pad1;
+ unsigned long int __pad2;
+ unsigned int __flags;
+};
+
+#define __PTHREAD_RWLOCK_ELISION_EXTRA 0
+
+#endif /* bits/pthreadtypes.h */
diff --git a/sysdeps/loongarch/nptl/bits/semaphore.h b/sysdeps/loongarch/nptl/bits/semaphore.h
new file mode 100644
index 00000000..a9ddefb2
--- /dev/null
+++ b/sysdeps/loongarch/nptl/bits/semaphore.h
@@ -0,0 +1,33 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _SEMAPHORE_H
+# error "Never use <bits/semaphore.h> directly; include <semaphore.h> instead."
+#endif
+
+#define __SIZEOF_SEM_T (4 * __SIZEOF_POINTER__)
+
+/* Value returned if `sem_open' failed. */
+#define SEM_FAILED ((sem_t *) 0)
+
+
+typedef union
+{
+ char __size[__SIZEOF_SEM_T];
+ long int __align;
+} sem_t;
diff --git a/sysdeps/loongarch/nptl/libc-lowlevellock.c b/sysdeps/loongarch/nptl/libc-lowlevellock.c
new file mode 100644
index 00000000..9523fb46
--- /dev/null
+++ b/sysdeps/loongarch/nptl/libc-lowlevellock.c
@@ -0,0 +1,8 @@
+/* This kludge works around a libpthread static linking problem:
+ https://sourceware.org/bugzilla/show_bug.cgi?id=15648. */
+
+#ifndef SHARED
+# define __lll_lock_wait_private weak_function __lll_lock_wait_private
+#endif
+
+#include <lowlevellock.c>
diff --git a/sysdeps/loongarch/nptl/nptl-sysdep.S b/sysdeps/loongarch/nptl/nptl-sysdep.S
new file mode 100644
index 00000000..3f5c2a36
--- /dev/null
+++ b/sysdeps/loongarch/nptl/nptl-sysdep.S
@@ -0,0 +1,2 @@
+/* Pull in __syscall_error. */
+#include <sysdep.S>
diff --git a/sysdeps/loongarch/nptl/pthread-offsets.h b/sysdeps/loongarch/nptl/pthread-offsets.h
new file mode 100644
index 00000000..04130879
--- /dev/null
+++ b/sysdeps/loongarch/nptl/pthread-offsets.h
@@ -0,0 +1,23 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define __PTHREAD_MUTEX_NUSERS_OFFSET 12
+#define __PTHREAD_MUTEX_KIND_OFFSET 16
+#define __PTHREAD_MUTEX_SPINS_OFFSET 20
+#define __PTHREAD_MUTEX_ELISION_OFFSET 22
+#define __PTHREAD_MUTEX_LIST_OFFSET 24
diff --git a/sysdeps/loongarch/nptl/pthreaddef.h b/sysdeps/loongarch/nptl/pthreaddef.h
new file mode 100644
index 00000000..87c407bc
--- /dev/null
+++ b/sysdeps/loongarch/nptl/pthreaddef.h
@@ -0,0 +1,32 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* Default stack size. */
+#define ARCH_STACK_DEFAULT_SIZE (2 * 1024 * 1024)
+
+/* Required stack pointer alignment at beginning. */
+#define STACK_ALIGN 16
+
+/* Minimal stack size after allocating thread descriptor and guard size. */
+#define MINIMAL_REST_STACK 2048
+
+/* Alignment requirement for TCB. */
+#define TCB_ALIGNMENT 16
+
+/* Location of current stack frame. */
+#define CURRENT_STACK_FRAME __builtin_frame_address (0)
diff --git a/sysdeps/loongarch/nptl/tcb-offsets.sym b/sysdeps/loongarch/nptl/tcb-offsets.sym
new file mode 100644
index 00000000..ab4981f2
--- /dev/null
+++ b/sysdeps/loongarch/nptl/tcb-offsets.sym
@@ -0,0 +1,6 @@
+#include <sysdep.h>
+#include <tls.h>
+
+#define thread_offsetof(mem) (long)(offsetof (struct pthread, mem) - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE)
+
+MULTIPLE_THREADS_OFFSET thread_offsetof (header.multiple_threads)
diff --git a/sysdeps/loongarch/nptl/tls.h b/sysdeps/loongarch/nptl/tls.h
new file mode 100644
index 00000000..8d2d4ca2
--- /dev/null
+++ b/sysdeps/loongarch/nptl/tls.h
@@ -0,0 +1,147 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _LOONGARCH_TLS_H
+#define _LOONGARCH_TLS_H 1
+
+#include <dl-sysdep.h>
+
+#ifndef __ASSEMBLER__
+# include <stdbool.h>
+# include <stddef.h>
+# include <stdint.h>
+# include <dl-dtv.h>
+
+register void *__thread_self asm ("$tp"); /* FIXME */
+# define READ_THREAD_POINTER() ({ __thread_self; })
+
+/* Get system call information. */
+# include <sysdep.h>
+
+/* The TP points to the start of the thread blocks. */
+# define TLS_DTV_AT_TP 1
+# define TLS_TCB_AT_TP 0
+
+/* Get the thread descriptor definition. */
+# include <nptl/descr.h>
+
+typedef struct
+{
+ dtv_t *dtv;
+ void *private;
+} tcbhead_t;
+
+/* This is the size of the initial TCB. Because our TCB is before the thread
+ pointer, we don't need this. */
+# define TLS_INIT_TCB_SIZE 0
+
+/* Alignment requirements for the initial TCB. */
+# define TLS_INIT_TCB_ALIGN __alignof__ (struct pthread)
+
+/* This is the size of the TCB. Because our TCB is before the thread
+ pointer, we don't need this. */
+# define TLS_TCB_SIZE 0
+
+/* Alignment requirements for the TCB. */
+# define TLS_TCB_ALIGN __alignof__ (struct pthread)
+
+/* This is the size we need before TCB - actually, it includes the TCB. */
+# define TLS_PRE_TCB_SIZE \
+ (sizeof (struct pthread) \
+ + ((sizeof (tcbhead_t) + TLS_TCB_ALIGN - 1) & ~(TLS_TCB_ALIGN - 1)))
+
+/* The thread pointer tp points to the end of the TCB.
+ The pthread_descr structure is immediately in front of the TCB. */
+# define TLS_TCB_OFFSET 0
+
+/* Install the dtv pointer. The pointer passed is to the element with
+ index -1 which contain the length. */
+# define INSTALL_DTV(tcbp, dtvp) \
+ (((tcbhead_t *) (tcbp))[-1].dtv = (dtvp) + 1)
+
+/* Install new dtv for current thread. */
+# define INSTALL_NEW_DTV(dtv) \
+ (THREAD_DTV() = (dtv))
+
+/* Return dtv of given thread descriptor. */
+# define GET_DTV(tcbp) \
+ (((tcbhead_t *) (tcbp))[-1].dtv)
+
+/* Code to initially initialize the thread pointer. */
+# define TLS_INIT_TP(tcbp) \
+ ({ __thread_self = (char*)tcbp + TLS_TCB_OFFSET; NULL; })
+
+/* Return the address of the dtv for the current thread. */
+# define THREAD_DTV() \
+ (((tcbhead_t *) (READ_THREAD_POINTER () - TLS_TCB_OFFSET))[-1].dtv)
+
+/* Return the thread descriptor for the current thread. */
+# define THREAD_SELF \
+ ((struct pthread *) (READ_THREAD_POINTER () \
+ - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE))
+
+/* Value passed to 'clone' for initialization of the thread register. */
+# define TLS_DEFINE_INIT_TP(tp, pd) \
+ void *tp = (void *) (pd) + TLS_TCB_OFFSET + TLS_PRE_TCB_SIZE
+
+/* Informs libthread_db that the thread pointer is register 2, which is used
+ * to know how to do THREAD_SELF. */
+# define DB_THREAD_SELF \
+ REGISTER (64, 64, 2 * 8, - TLS_TCB_OFFSET - TLS_PRE_TCB_SIZE)
+
+/* Access to data in the thread descriptor is easy. */
+# define THREAD_GETMEM(descr, member) \
+ descr->member
+# define THREAD_GETMEM_NC(descr, member, idx) \
+ descr->member[idx]
+# define THREAD_SETMEM(descr, member, value) \
+ descr->member = (value)
+# define THREAD_SETMEM_NC(descr, member, idx, value) \
+ descr->member[idx] = (value)
+
+/* l_tls_offset == 0 is perfectly valid, so we have to use some different
+ value to mean unset l_tls_offset. */
+# define NO_TLS_OFFSET -1
+
+/* Get and set the global scope generation counter in struct pthread. */
+# define THREAD_GSCOPE_IN_TCB 1
+# define THREAD_GSCOPE_FLAG_UNUSED 0
+# define THREAD_GSCOPE_FLAG_USED 1
+# define THREAD_GSCOPE_FLAG_WAIT 2
+# define THREAD_GSCOPE_RESET_FLAG() \
+ do \
+ { int __res \
+ = atomic_exchange_rel (&THREAD_SELF->header.gscope_flag, \
+ THREAD_GSCOPE_FLAG_UNUSED); \
+ if (__res == THREAD_GSCOPE_FLAG_WAIT) \
+ lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1, LLL_PRIVATE); \
+ } \
+ while (0)
+# define THREAD_GSCOPE_SET_FLAG() \
+ do \
+ { \
+ THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED; \
+ atomic_write_barrier (); \
+ } \
+ while (0)
+# define THREAD_GSCOPE_WAIT() \
+ GL(dl_wait_lookup_done) ()
+
+#endif /* __ASSEMBLER__ */
+
+#endif /* tls.h */
diff --git a/sysdeps/loongarch/preconfigure b/sysdeps/loongarch/preconfigure
new file mode 100644
index 00000000..26ffe884
--- /dev/null
+++ b/sysdeps/loongarch/preconfigure
@@ -0,0 +1,9 @@
+case "$machine" in
+loongarch*)
+ base_machine=loongarch
+ machine=loongarch/lp64
+ ;;
+esac
+
+#TODO: this file is useless now.
+#Maybe we can make use of it to get arch info from GCC to set env
diff --git a/sysdeps/loongarch/pthread_atfork.c b/sysdeps/loongarch/pthread_atfork.c
new file mode 100644
index 00000000..0f01d805
--- /dev/null
+++ b/sysdeps/loongarch/pthread_atfork.c
@@ -0,0 +1 @@
+#include <nptl/pthread_atfork.c>
diff --git a/sysdeps/loongarch/setjmp.S b/sysdeps/loongarch/setjmp.S
new file mode 100644
index 00000000..da09a93c
--- /dev/null
+++ b/sysdeps/loongarch/setjmp.S
@@ -0,0 +1,62 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+#include <sys/asm.h>
+
+ENTRY (_setjmp)
+ li.w a1,0
+ b __sigsetjmp
+END (_setjmp)
+ENTRY (setjmp)
+ li.w a1,1
+END (setjmp)
+ENTRY (__sigsetjmp)
+ REG_S ra, a0, 0*SZREG
+ REG_S sp, a0, 1*SZREG
+ REG_S x, a0, 2*SZREG
+ REG_S fp, a0, 3*SZREG
+ REG_S s0, a0, 4*SZREG
+ REG_S s1, a0, 5*SZREG
+ REG_S s2, a0, 6*SZREG
+ REG_S s3, a0, 7*SZREG
+ REG_S s4, a0, 8*SZREG
+ REG_S s5, a0, 9*SZREG
+ REG_S s6, a0, 10*SZREG
+ REG_S s7, a0, 11*SZREG
+ REG_S s8, a0, 12*SZREG
+
+ FREG_S $f24, a0, 13*SZREG + 0*SZFREG
+ FREG_S $f25, a0, 13*SZREG + 1*SZFREG
+ FREG_S $f26, a0, 13*SZREG + 2*SZFREG
+ FREG_S $f27, a0, 13*SZREG + 3*SZFREG
+ FREG_S $f28, a0, 13*SZREG + 4*SZFREG
+ FREG_S $f29, a0, 13*SZREG + 5*SZFREG
+ FREG_S $f30, a0, 13*SZREG + 6*SZFREG
+ FREG_S $f31, a0, 13*SZREG + 7*SZFREG
+
+#if !IS_IN (libc) && IS_IN(rtld)
+ li.w v0, 0
+ jirl zero,ra,0
+#else
+ b __sigjmp_save
+#endif
+END (__sigsetjmp)
+
+hidden_def (__sigsetjmp)
+weak_alias (_setjmp, __GI__setjmp)
diff --git a/sysdeps/loongarch/sfp-machine.h b/sysdeps/loongarch/sfp-machine.h
new file mode 100644
index 00000000..b5c79bc0
--- /dev/null
+++ b/sysdeps/loongarch/sfp-machine.h
@@ -0,0 +1,79 @@
+#include <fenv.h>
+#include <fpu_control.h>
+
+#define _FP_W_TYPE_SIZE 64
+#define _FP_W_TYPE unsigned long long
+#define _FP_WS_TYPE signed long long
+#define _FP_I_TYPE long long
+
+#define _FP_MUL_MEAT_S(R,X,Y) \
+ _FP_MUL_MEAT_1_imm(_FP_WFRACBITS_S,R,X,Y)
+#define _FP_MUL_MEAT_D(R,X,Y) \
+ _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_Q(R,X,Y) \
+ _FP_MUL_MEAT_2_wide_3mul(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
+
+#define _FP_MUL_MEAT_DW_S(R,X,Y) \
+ _FP_MUL_MEAT_DW_1_imm(_FP_WFRACBITS_S,R,X,Y)
+#define _FP_MUL_MEAT_DW_D(R,X,Y) \
+ _FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_DW_Q(R,X,Y) \
+ _FP_MUL_MEAT_DW_2_wide_3mul(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
+
+#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm)
+#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_1_udiv_norm(D,R,X,Y)
+#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
+
+# define _FP_NANFRAC_S _FP_QNANBIT_S
+# define _FP_NANFRAC_D _FP_QNANBIT_D
+# define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0
+
+#define _FP_NANSIGN_S 0
+#define _FP_NANSIGN_D 0
+#define _FP_NANSIGN_Q 0
+
+#define _FP_KEEPNANFRACP 1
+#define _FP_QNANNEGATEDP 0
+
+/* NaN payloads should be preserved for NAN2008. */
+# define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
+ do \
+ { \
+ R##_s = X##_s; \
+ _FP_FRAC_COPY_##wc (R, X); \
+ R##_c = FP_CLS_NAN; \
+ } \
+ while (0)
+
+#define _FP_DECL_EX fpu_control_t _fcw
+
+#define FP_ROUNDMODE (_fcw & 0x300)
+
+#define FP_RND_NEAREST FE_TONEAREST
+#define FP_RND_ZERO FE_TOWARDZERO
+#define FP_RND_PINF FE_UPWARD
+#define FP_RND_MINF FE_DOWNWARD
+
+#define FP_EX_INVALID FE_INVALID
+#define FP_EX_OVERFLOW FE_OVERFLOW
+#define FP_EX_UNDERFLOW FE_UNDERFLOW
+#define FP_EX_DIVZERO FE_DIVBYZERO
+#define FP_EX_INEXACT FE_INEXACT
+
+#define _FP_TININESS_AFTER_ROUNDING 1
+
+#ifdef __loongarch_hard_float
+#define FP_INIT_ROUNDMODE \
+do { \
+ _FPU_GETCW (_fcw); \
+} while (0)
+
+#define FP_HANDLE_EXCEPTIONS \
+do { \
+ if (__builtin_expect (_fex, 0)) \
+ _FPU_SETCW (_fcw | _fex | (_fex << 8)); \
+} while (0)
+#define FP_TRAPPING_EXCEPTIONS ((_fcw << 16) & 0x1f0000)
+#else
+#define FP_INIT_ROUNDMODE _fcw = FP_RND_NEAREST
+#endif
diff --git a/sysdeps/loongarch/sotruss-lib.c b/sysdeps/loongarch/sotruss-lib.c
new file mode 100644
index 00000000..124db440
--- /dev/null
+++ b/sysdeps/loongarch/sotruss-lib.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define HAVE_ARCH_PLTENTER
+#define HAVE_ARCH_PLTEXIT
+
+#include <elf/sotruss-lib.c>
+
+ElfW(Addr)
+la_loongarch_gnu_pltenter (ElfW(Sym) *sym __attribute__ ((unused)),
+ unsigned int ndx __attribute__ ((unused)),
+ uintptr_t *refcook, uintptr_t *defcook,
+ La_loongarch_regs *regs, unsigned int *flags,
+ const char *symname, long int *framesizep)
+{
+ print_enter (refcook, defcook, symname,
+ regs->lr_reg[0], regs->lr_reg[1], regs->lr_reg[2],
+ *flags);
+
+ /* No need to copy anything, we will not need the parameters in any case. */
+ *framesizep = 0;
+
+ return sym->st_value;
+}
+
+unsigned int
+la_loongarch_gnu_pltexit (ElfW(Sym) *sym, unsigned int ndx, uintptr_t *refcook,
+ uintptr_t *defcook,
+ const struct La_loongarch_regs *inregs,
+ struct La_loongarch_retval *outregs,
+ const char *symname)
+{
+ print_exit (refcook, defcook, symname, outregs->lrv_a0);
+
+ return 0;
+}
diff --git a/sysdeps/loongarch/stack_chk_fail_local.c b/sysdeps/loongarch/stack_chk_fail_local.c
new file mode 100644
index 00000000..305871fb
--- /dev/null
+++ b/sysdeps/loongarch/stack_chk_fail_local.c
@@ -0,0 +1 @@
+#include <debug/stack_chk_fail_local.c>
diff --git a/sysdeps/loongarch/stackinfo.h b/sysdeps/loongarch/stackinfo.h
new file mode 100644
index 00000000..5f5e6ad1
--- /dev/null
+++ b/sysdeps/loongarch/stackinfo.h
@@ -0,0 +1,33 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* This file contains a bit of information about the stack allocation
+ of the processor. */
+
+#ifndef _STACKINFO_H
+#define _STACKINFO_H 1
+
+#include <elf.h>
+
+/* On LoongArch the stack grows down. */
+#define _STACK_GROWS_DOWN 1
+
+/* Default to a non-executable stack. */
+#define DEFAULT_STACK_PERMS (PF_R | PF_W)
+
+#endif /* stackinfo.h */
diff --git a/sysdeps/loongarch/start.S b/sysdeps/loongarch/start.S
new file mode 100644
index 00000000..cf0a14b5
--- /dev/null
+++ b/sysdeps/loongarch/start.S
@@ -0,0 +1,51 @@
+#define __ASSEMBLY__ 1
+#include <entry.h>
+#include <sys/asm.h>
+
+/* The entry point's job is to call __libc_start_main. Per the ABI,
+ a0 contains the address of a function to be passed to atexit.
+ __libc_start_main wants this in a5. */
+
+/*
+int
+__libc_start_main (int (*main) (int, char **, char **),
+ int argc,
+ char **argv,
+ __typeof (main) init,
+ void (*fini) (void),
+ void (*rtld_fini) (void),
+ void *stack_end);
+*/
+
+ENTRY (ENTRY_POINT)
+ /* Terminate call stack by noting ra is undefined. Use a dummy
+ .cfi_label to force starting the FDE. */
+ .cfi_label .Ldummy
+ cfi_undefined (1)
+ or a5, a0, zero /* rtld_fini */
+
+ /* 这个main必须要走GOT表拿到。因为main不一定是local的。
+ 比如googletest就把main定义在动态库里了。 */
+ la.got a0, t0, main
+#ifdef __loongarch64
+ ld.d a1, sp, 0
+ addi.d a2, sp, SZREG
+#elif defined __loongarch32
+ ld.w a1, sp, 0
+ addi.w a2, sp, SZREG
+#endif
+ /* Adjust $sp for 16-aligned */
+ srli.d sp, sp, 4
+ slli.d sp, sp, 4
+
+ la.got a3, t0, __libc_csu_init
+ la.got a4, t0, __libc_csu_fini
+ or a6, sp, zero /* stack_end. */
+
+ la.got ra, t0, __libc_start_main
+ jirl ra, ra, 0
+
+ la.got ra, t0, abort
+ jirl ra, ra, 0
+END (ENTRY_POINT)
+
diff --git a/sysdeps/loongarch/stat.c b/sysdeps/loongarch/stat.c
new file mode 100644
index 00000000..36461b87
--- /dev/null
+++ b/sysdeps/loongarch/stat.c
@@ -0,0 +1 @@
+#include <io/stat.c>
diff --git a/sysdeps/loongarch/stat64.c b/sysdeps/loongarch/stat64.c
new file mode 100644
index 00000000..0897282e
--- /dev/null
+++ b/sysdeps/loongarch/stat64.c
@@ -0,0 +1 @@
+#include <io/stat64.c>
diff --git a/sysdeps/loongarch/sys/asm.h b/sysdeps/loongarch/sys/asm.h
new file mode 100644
index 00000000..7f3769bd
--- /dev/null
+++ b/sysdeps/loongarch/sys/asm.h
@@ -0,0 +1,49 @@
+#ifndef _SYS_ASM_H
+#define _SYS_ASM_H
+
+#include <sys/regdef.h>
+#include <sysdeps/generic/sysdep.h>
+
+/* Macros to handle different pointer/register sizes for 32/64-bit code. */
+#ifdef __loongarch64
+# define PTRLOG 3
+# define SZREG 8
+# define SZFREG 8
+# define REG_L ld.d
+# define REG_S st.d
+# define FREG_L fld.d
+# define FREG_S fst.d
+#elif defined __loongarch32
+# define PTRLOG 2
+# define SZREG 4
+# define SZFREG 4
+# define REG_L ld.w
+# define REG_S st.w
+# define FREG_L fld.w
+# define FREG_S fst.w
+#else
+# error __loongarch_xlen must equal 32 or 64
+#endif
+
+
+/* Declare leaf routine. */
+#define LEAF(symbol) \
+ .text; \
+ .globl symbol; \
+ .align 3; \
+ cfi_startproc ; \
+ .type symbol, @function; \
+symbol:
+
+# define ENTRY(symbol) LEAF(symbol)
+
+/* Mark end of function. */
+#undef END
+#define END(function) \
+ cfi_endproc ; \
+ .size function,.-function;
+
+/* Stack alignment. */
+#define ALMASK ~15
+
+#endif /* sys/asm.h */
diff --git a/sysdeps/loongarch/sys/regdef.h b/sysdeps/loongarch/sys/regdef.h
new file mode 100644
index 00000000..769784b8
--- /dev/null
+++ b/sysdeps/loongarch/sys/regdef.h
@@ -0,0 +1,83 @@
+#ifndef _SYS_REGDEF_H
+#define _SYS_REGDEF_H
+
+#if _LOONGARCH_SIM == _ABILP64
+# define zero $r0
+# define ra $r1
+# define tp $r2
+# define sp $r3
+# define a0 $r4
+# define a1 $r5
+# define a2 $r6
+# define a3 $r7
+# define a4 $r8
+# define a5 $r9
+# define a6 $r10
+# define a7 $r11
+# define v0 $r4
+# define v1 $r5
+# define t0 $r12
+# define t1 $r13
+# define t2 $r14
+# define t3 $r15
+# define t4 $r16
+# define t5 $r17
+# define t6 $r18
+# define t7 $r19
+# define t8 $r20
+# define x $r21
+# define fp $r22
+# define s0 $r23
+# define s1 $r24
+# define s2 $r25
+# define s3 $r26
+# define s4 $r27
+# define s5 $r28
+# define s6 $r29
+# define s7 $r30
+# define s8 $r31
+
+# define fa0 $f0
+# define fa1 $f1
+# define fa2 $f2
+# define fa3 $f3
+# define fa4 $f4
+# define fa5 $f5
+# define fa6 $f6
+# define fa7 $f7
+# define fv0 $f0
+# define fv1 $f1
+# define ft0 $f8
+# define ft1 $f9
+# define ft2 $f10
+# define ft3 $f11
+# define ft4 $f12
+# define ft5 $f13
+# define ft6 $f14
+# define ft7 $f15
+# define ft8 $f16
+# define ft9 $f17
+# define ft10 $f18
+# define ft11 $f19
+# define ft12 $f20
+# define ft13 $f21
+# define ft14 $f22
+# define ft15 $f23
+# define fs0 $f24
+# define fs1 $f25
+# define fs2 $f26
+# define fs3 $f27
+# define fs4 $f28
+# define fs5 $f29
+# define fs6 $f30
+# define fs7 $f31
+
+#elif _LOONGARCH_SIM == _ABILPX32
+# error ABILPX32
+#elif _LOONGARCH_SIM == _ABILP32
+# error ABILP32
+#else
+# error noABI
+#endif
+
+#endif /* _SYS_REGDEF_H */
diff --git a/sysdeps/loongarch/tininess.h b/sysdeps/loongarch/tininess.h
new file mode 100644
index 00000000..1db37790
--- /dev/null
+++ b/sysdeps/loongarch/tininess.h
@@ -0,0 +1 @@
+#define TININESS_AFTER_ROUNDING 1
diff --git a/sysdeps/loongarch/tls-macros.h b/sysdeps/loongarch/tls-macros.h
new file mode 100644
index 00000000..f0ad55ac
--- /dev/null
+++ b/sysdeps/loongarch/tls-macros.h
@@ -0,0 +1,46 @@
+/* Macros to support TLS testing in times of missing compiler support.
+ Copyright (C) 2017-2018 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+
+#include <sys/cdefs.h>
+#include <sys/asm.h>
+#include <sysdep.h>
+#include "dl-tls.h"
+
+#define TLS_GD(x) \
+ ({ void *__result; \
+ asm ("la.tls.gd %0, " #x "\n\t" \
+ : "=r" (__result)); \
+ __tls_get_addr (__result); })
+
+#define TLS_LD(x) TLS_GD(x)
+
+#define TLS_IE(x) \
+ ({ void *__result; \
+ asm ("la.tls.ie %0, " #x "\n\t" \
+ "add.d %0, %0, $tp\n\t" \
+ : "=r" (__result)); \
+ __result; })
+
+#define TLS_LE(x) \
+ ({ void *__result; \
+ asm ("la.tls.le %0, " #x "\n\t" \
+ "add.d %0, %0, $tp\n\t" \
+ : "=r" (__result)); \
+ __result; })
diff --git a/sysdeps/loongarch/tst-audit.h b/sysdeps/loongarch/tst-audit.h
new file mode 100644
index 00000000..d8d260eb
--- /dev/null
+++ b/sysdeps/loongarch/tst-audit.h
@@ -0,0 +1,23 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define pltenter la_loongarch_gnu_pltenter
+#define pltexit la_loongarch_gnu_pltexit
+#define La_regs La_loongarch_regs
+#define La_retval La_loongarch_retval
+#define int_retval lrv_a0
diff --git a/sysdeps/loongarch/warning-nop.c b/sysdeps/loongarch/warning-nop.c
new file mode 100644
index 00000000..b76aae79
--- /dev/null
+++ b/sysdeps/loongarch/warning-nop.c
@@ -0,0 +1 @@
+#include <debug/warning-nop.c>
diff --git a/sysdeps/unix/sysv/linux/loongarch/Implies b/sysdeps/unix/sysv/linux/loongarch/Implies
new file mode 100644
index 00000000..e52b1ac3
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/Implies
@@ -0,0 +1 @@
+loongarch/nptl
diff --git a/sysdeps/unix/sysv/linux/loongarch/Makefile b/sysdeps/unix/sysv/linux/loongarch/Makefile
new file mode 100644
index 00000000..6f049aa9
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/Makefile
@@ -0,0 +1,17 @@
+ifeq ($(subdir),elf)
+sysdep_routines += dl-vdso
+ifeq ($(build-shared),yes)
+# This is needed for DSO loading from static binaries.
+sysdep-dl-routines += dl-static
+endif
+endif
+
+#ifeq ($(subdir),misc)
+#sysdep_headers += sys/cachectl.h
+#sysdep_routines += flush-icache
+#endif
+
+ifeq ($(subdir),stdlib)
+gen-as-const-headers += ucontext_i.sym
+endif
+
diff --git a/sysdeps/unix/sysv/linux/loongarch/Versions b/sysdeps/unix/sysv/linux/loongarch/Versions
new file mode 100644
index 00000000..453f276a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/Versions
@@ -0,0 +1,44 @@
+ld {
+ GLIBC_PRIVATE {
+ # used for loading by static libraries
+ _dl_var_init;
+ }
+}
+libc {
+ # The comment lines with "#errlist-compat" are magic; see errlist-compat.awk.
+ # When you get an error from errlist-compat.awk, you need to add a new
+ # version here. Don't do this blindly, since this means changing the ABI
+ # for all GNU/Linux configurations.
+
+ GLIBC_2.0 {
+ #errlist-compat 123
+ _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
+
+ # Exception handling support functions from libgcc
+ __register_frame; __register_frame_table; __deregister_frame;
+ __frame_state_for; __register_frame_info_table;
+
+ # Needed by gcc:
+ _flush_cache;
+
+ # c*
+ cachectl; cacheflush;
+
+ # s*
+ sysmips;
+ }
+ GLIBC_2.2 {
+ #errlist-compat 1134
+ _sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
+
+ # _*
+ _test_and_set;
+ }
+ GLIBC_2.11 {
+ fallocate64;
+ }
+ GLIBC_PRIVATE {
+ # nptl/pthread_cond_timedwait.c uses INTERNAL_VSYSCALL(clock_gettime).
+ __vdso_clock_gettime;
+ }
+}
diff --git a/sysdeps/unix/sysv/linux/loongarch/atomic-machine.h b/sysdeps/unix/sysv/linux/loongarch/atomic-machine.h
new file mode 100644
index 00000000..ac1948ea
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/atomic-machine.h
@@ -0,0 +1,188 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _LINUX_LOONGARCH_BITS_ATOMIC_H
+#define _LINUX_LOONGARCH_BITS_ATOMIC_H 1
+
+#include <stdint.h>
+
+typedef int32_t atomic32_t;
+typedef uint32_t uatomic32_t;
+
+typedef int64_t atomic64_t;
+typedef uint64_t uatomic64_t;
+
+typedef intptr_t atomicptr_t;
+typedef uintptr_t uatomicptr_t;
+typedef intmax_t atomic_max_t;
+typedef uintmax_t uatomic_max_t;
+
+#define atomic_full_barrier() __sync_synchronize ()
+
+# define __HAVE_64B_ATOMICS (__loongarch_xlen >= 64)
+# define USE_ATOMIC_COMPILER_BUILTINS 1
+# define ATOMIC_EXCHANGE_USES_CAS 0
+
+/* Compare and exchange.
+ For all "bool" routines, we return FALSE if exchange succesful. */
+
+# define __arch_compare_and_exchange_bool_8_int(mem, newval, oldval, model) \
+ ({ \
+ typeof (*mem) __oldval = (oldval); \
+ !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
+ model, __ATOMIC_RELAXED); \
+ })
+
+# define __arch_compare_and_exchange_bool_16_int(mem, newval, oldval, model) \
+ ({ \
+ typeof (*mem) __oldval = (oldval); \
+ !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
+ model, __ATOMIC_RELAXED); \
+ })
+
+# define __arch_compare_and_exchange_bool_32_int(mem, newval, oldval, model) \
+ ({ \
+ typeof (*mem) __oldval = (oldval); \
+ !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
+ model, __ATOMIC_RELAXED); \
+ })
+
+# define __arch_compare_and_exchange_bool_64_int(mem, newval, oldval, model) \
+ ({ \
+ typeof (*mem) __oldval = (oldval); \
+ !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
+ model, __ATOMIC_RELAXED); \
+ })
+
+# define __arch_compare_and_exchange_val_8_int(mem, newval, oldval, model) \
+ ({ \
+ typeof (*mem) __oldval = (oldval); \
+ __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
+ model, __ATOMIC_RELAXED); \
+ __oldval; \
+ })
+
+# define __arch_compare_and_exchange_val_16_int(mem, newval, oldval, model) \
+ ({ \
+ typeof (*mem) __oldval = (oldval); \
+ __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
+ model, __ATOMIC_RELAXED); \
+ __oldval; \
+ })
+
+# define __arch_compare_and_exchange_val_32_int(mem, newval, oldval, model) \
+ ({ \
+ typeof (*mem) __oldval = (oldval); \
+ __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
+ model, __ATOMIC_RELAXED); \
+ __oldval; \
+ })
+
+# define __arch_compare_and_exchange_val_64_int(mem, newval, oldval, model) \
+ ({ \
+ typeof (*mem) __oldval = (oldval); \
+ __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
+ model, __ATOMIC_RELAXED); \
+ __oldval; \
+ })
+
+/* Atomic compare and exchange. */
+
+# define atomic_compare_and_exchange_bool_acq(mem, new, old) \
+ __atomic_bool_bysize (__arch_compare_and_exchange_bool, int, \
+ mem, new, old, __ATOMIC_ACQUIRE)
+
+# define atomic_compare_and_exchange_val_acq(mem, new, old) \
+ __atomic_val_bysize (__arch_compare_and_exchange_val, int, \
+ mem, new, old, __ATOMIC_ACQUIRE)
+
+# define atomic_compare_and_exchange_val_rel(mem, new, old) \
+ __atomic_val_bysize (__arch_compare_and_exchange_val, int, \
+ mem, new, old, __ATOMIC_RELEASE)
+
+/* Atomic exchange (without compare). */
+
+# define __arch_exchange_8_int(mem, newval, model) \
+ __atomic_exchange_n (mem, newval, model)
+
+# define __arch_exchange_16_int(mem, newval, model) \
+ __atomic_exchange_n (mem, newval, model)
+
+# define __arch_exchange_32_int(mem, newval, model) \
+ __atomic_exchange_n (mem, newval, model)
+
+# define __arch_exchange_64_int(mem, newval, model) \
+ __atomic_exchange_n (mem, newval, model)
+
+# define atomic_exchange_acq(mem, value) \
+ __atomic_val_bysize (__arch_exchange, int, mem, value, __ATOMIC_ACQUIRE)
+
+# define atomic_exchange_rel(mem, value) \
+ __atomic_val_bysize (__arch_exchange, int, mem, value, __ATOMIC_RELEASE)
+
+/* Atomically add value and return the previous (unincremented) value. */
+
+# define __arch_exchange_and_add_8_int(mem, value, model) \
+ __atomic_fetch_add (mem, value, model)
+
+# define __arch_exchange_and_add_16_int(mem, value, model) \
+ __atomic_fetch_add (mem, value, model)
+
+# define __arch_exchange_and_add_32_int(mem, value, model) \
+ __atomic_fetch_add (mem, value, model)
+
+# define __arch_exchange_and_add_64_int(mem, value, model) \
+ __atomic_fetch_add (mem, value, model)
+
+# define atomic_exchange_and_add_acq(mem, value) \
+ __atomic_val_bysize (__arch_exchange_and_add, int, mem, value, \
+ __ATOMIC_ACQUIRE)
+
+# define atomic_exchange_and_add_rel(mem, value) \
+ __atomic_val_bysize (__arch_exchange_and_add, int, mem, value, \
+ __ATOMIC_RELEASE)
+
+/* Miscellaneous. */
+
+# define asm_amo(which, mem, value) ({ \
+ __atomic_check_size (mem); \
+ typeof (*mem) __tmp; \
+ if (sizeof (__tmp) == 4) \
+ asm volatile (which ".w""\t%0, %z2, %1" \
+ : "=&r" (__tmp), "+ZB" (* (mem)) \
+ : "rJ" (value)); \
+ else if (sizeof (__tmp) == 8) \
+ asm volatile (which ".d""\t%0, %z2, %1" \
+ : "=&r" (__tmp), "+ZB" (* (mem)) \
+ : "rJ" (value)); \
+ else \
+ abort (); \
+ __tmp; })
+
+# define atomic_max(mem, value) asm_amo ("ammax_db", mem, value)
+# define atomic_min(mem, value) asm_amo ("ammin_db", mem, value)
+
+# define atomic_bit_test_set(mem, bit) \
+ ({ typeof (*mem) __mask = (typeof (*mem))1 << (bit); \
+ asm_amo("amor_db", mem, __mask) & __mask; })
+
+# define catomic_exchange_and_add(mem, value) \
+ atomic_exchange_and_add (mem, value)
+# define catomic_max(mem, value) atomic_max (mem, value)
+
+#endif /* bits/atomic.h */
diff --git a/sysdeps/unix/sysv/linux/loongarch/bits/fcntl.h b/sysdeps/unix/sysv/linux/loongarch/bits/fcntl.h
new file mode 100644
index 00000000..5ee2e976
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/bits/fcntl.h
@@ -0,0 +1,62 @@
+/* O_*, F_*, FD_* bit values for the generic Linux ABI.
+ Copyright (C) 2011-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _FCNTL_H
+# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+#include <bits/wordsize.h>
+
+/* In 64-bit ISA files are always with 64bit off_t and F_*LK64 are the same as
+ non-64-bit versions. It will need to be revised for 128-bit. */
+#if __WORDSIZE == 64
+# define __O_LARGEFILE 0
+
+# define F_GETLK64 5 /* Get record locking info. */
+# define F_SETLK64 6 /* Set record locking info (non-blocking). */
+# define F_SETLKW64 7 /* Set record locking info (blocking). */
+#endif
+
+struct flock
+ {
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
+#ifndef __USE_FILE_OFFSET64
+ __off_t l_start; /* Offset where the lock begins. */
+ __off_t l_len; /* Size of the locked area; zero means until EOF. */
+#else
+ __off64_t l_start; /* Offset where the lock begins. */
+ __off64_t l_len; /* Size of the locked area; zero means until EOF. */
+#endif
+ __pid_t l_pid; /* Process holding the lock. */
+ };
+
+#ifdef __USE_LARGEFILE64
+struct flock64
+ {
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
+ __off64_t l_start; /* Offset where the lock begins. */
+ __off64_t l_len; /* Size of the locked area; zero means until EOF. */
+ __pid_t l_pid; /* Process holding the lock. */
+ };
+#endif
+
+/* Include generic Linux declarations. */
+#include <bits/fcntl-linux.h>
diff --git a/sysdeps/unix/sysv/linux/loongarch/bits/local_lim.h b/sysdeps/unix/sysv/linux/loongarch/bits/local_lim.h
new file mode 100644
index 00000000..a8cd6df8
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/bits/local_lim.h
@@ -0,0 +1,99 @@
+/* Minimum guaranteed maximum values for system limits. Linux version.
+ Copyright (C) 1993-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+/* The kernel header pollutes the namespace with the NR_OPEN symbol
+ and defines LINK_MAX although filesystems have different maxima. A
+ similar thing is true for OPEN_MAX: the limit can be changed at
+ runtime and therefore the macro must not be defined. Remove this
+ after including the header if necessary. */
+#ifndef NR_OPEN
+# define __undef_NR_OPEN
+#endif
+#ifndef LINK_MAX
+# define __undef_LINK_MAX
+#endif
+#ifndef OPEN_MAX
+# define __undef_OPEN_MAX
+#endif
+#ifndef ARG_MAX
+# define __undef_ARG_MAX
+#endif
+
+/* The kernel sources contain a file with all the needed information. */
+#include <linux/limits.h>
+
+/* Have to remove NR_OPEN? */
+#ifdef __undef_NR_OPEN
+# undef NR_OPEN
+# undef __undef_NR_OPEN
+#endif
+/* Have to remove LINK_MAX? */
+#ifdef __undef_LINK_MAX
+# undef LINK_MAX
+# undef __undef_LINK_MAX
+#endif
+/* Have to remove OPEN_MAX? */
+#ifdef __undef_OPEN_MAX
+# undef OPEN_MAX
+# undef __undef_OPEN_MAX
+#endif
+/* Have to remove ARG_MAX? */
+#ifdef __undef_ARG_MAX
+# undef ARG_MAX
+# undef __undef_ARG_MAX
+#endif
+
+/* The number of data keys per process. */
+#define _POSIX_THREAD_KEYS_MAX 128
+/* This is the value this implementation supports. */
+#define PTHREAD_KEYS_MAX 1024
+
+/* Controlling the iterations of destructors for thread-specific data. */
+#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
+/* Number of iterations this implementation does. */
+#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS
+
+/* The number of threads per process. */
+#define _POSIX_THREAD_THREADS_MAX 64
+/* We have no predefined limit on the number of threads. */
+#undef PTHREAD_THREADS_MAX
+
+/* Maximum amount by which a process can descrease its asynchronous I/O
+ priority level. */
+#define AIO_PRIO_DELTA_MAX 20
+
+/* Minimum size for a thread. At least two pages with 64k pages. */
+#define PTHREAD_STACK_MIN 131072
+
+/* Maximum number of timer expiration overruns. */
+#define DELAYTIMER_MAX 2147483647
+
+/* Maximum tty name length. */
+#define TTY_NAME_MAX 32
+
+/* Maximum login name length. This is arbitrary. */
+#define LOGIN_NAME_MAX 256
+
+/* Maximum host name length. */
+#define HOST_NAME_MAX 64
+
+/* Maximum message queue priority level. */
+#define MQ_PRIO_MAX 32768
+
+/* Maximum value the semaphore can have. */
+#define SEM_VALUE_MAX (2147483647)
diff --git a/sysdeps/unix/sysv/linux/loongarch/bits/mman.h b/sysdeps/unix/sysv/linux/loongarch/bits/mman.h
new file mode 100644
index 00000000..5a16f8ac
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/bits/mman.h
@@ -0,0 +1,41 @@
+/* Definitions for POSIX memory map interface. Linux/MIPS version.
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+
+#ifndef _SYS_MMAN_H
+# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
+#endif
+
+#ifdef __USE_MISC
+# define MAP_GROWSDOWN 0x00100 /* Stack-like segment. */
+# define MAP_DENYWRITE 0x00800 /* ETXTBSY. */
+# define MAP_EXECUTABLE 0x01000 /* Mark it as an executable. */
+# define MAP_LOCKED 0x02000 /* Lock the mapping. */
+# define MAP_NORESERVE 0x04000 /* Don't check for reservations. */
+# define MAP_POPULATE 0x08000 /* Populate (prefault) pagetables. */
+# define MAP_NONBLOCK 0x10000 /* Do not block on IO. */
+# define MAP_STACK 0x20000 /* Allocation is for a stack. */
+# define MAP_HUGETLB 0x40000 /* Create huge page mapping. */
+# define MAP_SYNC 0x80000 /* Perform synchronous page
+ faults for the mapping. */
+# define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED but do not unmap
+ underlying mapping. */
+#endif
+
+/* Include generic Linux declarations. */
+#include <bits/mman-linux.h>
diff --git a/sysdeps/unix/sysv/linux/loongarch/bits/shm.h b/sysdeps/unix/sysv/linux/loongarch/bits/shm.h
new file mode 100644
index 00000000..9e23092d
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/bits/shm.h
@@ -0,0 +1,112 @@
+/* Copyright (C) 2011-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _SYS_SHM_H
+# error "Never include <bits/shm.h> directly; use <sys/shm.h> instead."
+#endif
+
+#include <bits/types.h>
+#include <bits/wordsize.h>
+
+/* Permission flag for shmget. */
+#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
+#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+
+/* Flags for `shmat'. */
+#define SHM_RDONLY 010000 /* attach read-only else read-write */
+#define SHM_RND 020000 /* round attach address to SHMLBA */
+#define SHM_REMAP 040000 /* take-over region on attach */
+#define SHM_EXEC 0100000 /* execution access */
+
+/* Commands for `shmctl'. */
+#define SHM_LOCK 11 /* lock segment (root only) */
+#define SHM_UNLOCK 12 /* unlock segment (root only) */
+
+__BEGIN_DECLS
+
+/* Segment low boundary address multiple. */
+#define SHMLBA (__getpagesize () << 2)
+extern int __getpagesize (void) __THROW __attribute__ ((__const__));
+
+
+/* Type to count number of attaches. */
+typedef unsigned long int shmatt_t;
+
+/* Data structure describing a shared memory segment. */
+struct shmid_ds
+ {
+ struct ipc_perm shm_perm; /* operation permission struct */
+ size_t shm_segsz; /* size of segment in bytes */
+ __time_t shm_atime; /* time of last shmat() */
+#if __WORDSIZE == 32
+ unsigned long int __glibc_reserved1;
+#endif
+ __time_t shm_dtime; /* time of last shmdt() */
+#if __WORDSIZE == 32
+ unsigned long int __glibc_reserved2;
+#endif
+ __time_t shm_ctime; /* time of last change by shmctl() */
+#if __WORDSIZE == 32
+ unsigned long int __glibc_reserved3;
+#endif
+ __pid_t shm_cpid; /* pid of creator */
+ __pid_t shm_lpid; /* pid of last shmop */
+ shmatt_t shm_nattch; /* number of current attaches */
+ unsigned long int __glibc_reserved4;
+ unsigned long int __glibc_reserved5;
+ };
+
+#ifdef __USE_MISC
+
+/* ipcs ctl commands */
+# define SHM_STAT 13
+# define SHM_INFO 14
+# define SHM_STAT_ANY 15
+
+/* shm_mode upper byte flags */
+# define SHM_DEST 01000 /* segment will be destroyed on last detach */
+# define SHM_LOCKED 02000 /* segment will not be swapped */
+# define SHM_HUGETLB 04000 /* segment is mapped via hugetlb */
+# define SHM_NORESERVE 010000 /* don't check for reservations */
+
+struct shminfo
+ {
+ unsigned long int shmmax;
+ unsigned long int shmmin;
+ unsigned long int shmmni;
+ unsigned long int shmseg;
+ unsigned long int shmall;
+ unsigned long int __glibc_reserved1;
+ unsigned long int __glibc_reserved2;
+ unsigned long int __glibc_reserved3;
+ unsigned long int __glibc_reserved4;
+ };
+
+struct shm_info
+ {
+ int used_ids;
+ unsigned long int shm_tot; /* total allocated shm */
+ unsigned long int shm_rss; /* total resident shm */
+ unsigned long int shm_swp; /* total swapped shm */
+ unsigned long int swap_attempts;
+ unsigned long int swap_successes;
+ };
+
+#endif /* __USE_MISC */
+
+__END_DECLS
diff --git a/sysdeps/unix/sysv/linux/loongarch/bits/sigcontext.h b/sysdeps/unix/sysv/linux/loongarch/bits/sigcontext.h
new file mode 100644
index 00000000..0f925b4c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/bits/sigcontext.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996, 1997, 1999 by Ralf Baechle
+ * Copyright (C) 1999 Silicon Graphics, Inc.
+ */
+#ifndef _BITS_SIGCONTEXT_H
+#define _BITS_SIGCONTEXT_H
+
+/*
+ * Keep this struct definition in sync with the sigcontext fragment
+ * in arch/mips/kernel/asm-offsets.c
+ *
+ * Warning: this structure illdefined with sc_badvaddr being just an unsigned
+ * int so it was changed to unsigned long in 2.6.0-test1. This may break
+ * binary compatibility - no prisoners.
+ * DSP ASE in 2.6.12-rc4. Turn sc_mdhi and sc_mdlo into an array of four
+ * entries, add sc_dsp and sc_reserved for padding. No prisoners.
+ */
+
+#define FPU_REG_WIDTH 256
+#define FPU_ALIGN __attribute__((aligned(32)))
+
+struct sigcontext {
+ unsigned long long sc_pc;
+ unsigned long long sc_regs[32];
+ unsigned int sc_flags;
+
+ unsigned int sc_fcsr;
+ unsigned int sc_vcsr;
+ unsigned long long sc_fcc;
+
+ unsigned long long sc_scr[4];
+
+ union {
+ unsigned int val32[FPU_REG_WIDTH / 32];
+ unsigned long long val64[FPU_REG_WIDTH / 64];
+ } sc_fpregs[32] FPU_ALIGN;
+ unsigned char sc_reserved[4096] __attribute__((__aligned__(16)));
+
+};
+
+
+#endif /* _BITS_SIGCONTEXT_H */
diff --git a/sysdeps/unix/sysv/linux/loongarch/bits/signum.h b/sysdeps/unix/sysv/linux/loongarch/bits/signum.h
new file mode 100644
index 00000000..3cad0b19
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/bits/signum.h
@@ -0,0 +1,58 @@
+/* Signal number definitions. Linux version.
+ Copyright (C) 1995-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _BITS_SIGNUM_H
+#define _BITS_SIGNUM_H 1
+
+#ifndef _SIGNAL_H
+#error "Never include <bits/signum.h> directly; use <signal.h> instead."
+#endif
+
+#include <bits/signum-generic.h>
+
+/* Adjustments and additions to the signal number constants for
+ most Linux systems. */
+
+#define SIGSTKFLT 16 /* Stack fault (obsolete). */
+#define SIGPWR 30 /* Power failure imminent. */
+
+#undef SIGBUS
+#define SIGBUS 7
+#undef SIGUSR1
+#define SIGUSR1 10
+#undef SIGUSR2
+#define SIGUSR2 12
+#undef SIGCHLD
+#define SIGCHLD 17
+#undef SIGCONT
+#define SIGCONT 18
+#undef SIGSTOP
+#define SIGSTOP 19
+#undef SIGTSTP
+#define SIGTSTP 20
+#undef SIGURG
+#define SIGURG 23
+#undef SIGPOLL
+#define SIGPOLL 29
+#undef SIGSYS
+#define SIGSYS 31
+
+#undef __SIGRTMAX
+#define __SIGRTMAX 127
+
+#endif /* <signal.h> included. */
diff --git a/sysdeps/unix/sysv/linux/loongarch/clone.S b/sysdeps/unix/sysv/linux/loongarch/clone.S
new file mode 100644
index 00000000..f0fc566e
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/clone.S
@@ -0,0 +1,98 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* clone() is even more special than fork() as it mucks with stacks
+ and invokes a function in the right context after its all over. */
+
+#include <sys/asm.h>
+#include <sysdep.h>
+#define _ERRNO_H 1
+#include <bits/errno.h>
+#include <tls.h>
+#include "tcb-offsets.h"
+
+/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg,
+ void *parent_tidptr, void *tls, void *child_tidptr) */
+
+ENTRY (__clone)
+
+ /* Align stack to 16 or 8 bytes per the ABI. */
+#if _LOONGARCH_SIM == _ABILP64
+ addi.d t0, zero, -16
+#elif _LOONGARCH_SIM == _ABILP32
+ addi.w t0, zero, -8
+#endif
+ and a1, a1, t0
+
+ /* Sanity check arguments. */
+ beqz a0, L (invalid) /* No NULL function pointers. */
+ beqz a1, L (invalid) /* No NULL stack pointers. */
+
+ addi.d a1, a1, -16 /* Reserve argument save space. */
+ st.d a0, a1, 0 /* Save function pointer. */
+ st.d a3, a1, SZREG /* Save argument pointer. */
+
+ /* The syscall expects the args to be in different slots. */
+ or a0, a2, zero
+ or a2, a4, zero
+ or a3, a6, zero
+ or a4, a5, zero
+
+ /* Do the system call. */
+ li.d a7,__NR_clone
+ syscall 0
+
+ blt a0, zero ,L (error)
+ beqz a0,L (thread_start)
+
+ /* Successful return from the parent. */
+ ret
+
+L (invalid):
+ li.d a0, -EINVAL
+ /* Something bad happened -- no child created. */
+L (error):
+ b __syscall_error
+ END (__clone)
+
+/* Load up the arguments to the function. Put this block of code in
+ its own function so that we can terminate the stack trace with our
+ debug info. */
+
+ENTRY (__thread_start)
+L (thread_start):
+ /* Terminate call stack by noting ra is undefined. Use a dummy
+ .cfi_label to force starting the FDE. */
+ .cfi_label .Ldummy
+ cfi_undefined (1)
+
+ /* Restore the arg for user's function. */
+ ld.d a1, sp, 0 /* Function pointer. */
+ ld.d a0, sp, SZREG /* Argument pointer. */
+
+ /* Call the user's function. */
+ jirl ra, a1, 0
+
+ /* Call exit with the function's return value. */
+ li.d a7, __NR_exit
+ syscall 0
+
+ END (__thread_start)
+
+libc_hidden_def (__clone)
+weak_alias (__clone, clone)
diff --git a/sysdeps/unix/sysv/linux/loongarch/configure b/sysdeps/unix/sysv/linux/loongarch/configure
new file mode 100644
index 00000000..a402323a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/configure
@@ -0,0 +1,199 @@
+# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
+ # Local configure fragment for sysdeps/unix/sysv/linux/loongarch.
+
+arch_minimum_kernel=4.15.0
+
+libc_cv_loongarch_int_abi=no
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
+if ${ac_cv_path_GREP+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -z "$GREP"; then
+ ac_path_GREP_found=false
+ # Loop through the user's path and test for each of PROGNAME-LIST
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_prog in grep ggrep; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+ as_fn_executable_p "$ac_path_GREP" || continue
+# Check for GNU ac_path_GREP and select it if it is found.
+ # Check for GNU $ac_path_GREP
+case `"$ac_path_GREP" --version 2>&1` in
+*GNU*)
+ ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
+*)
+ ac_count=0
+ $as_echo_n 0123456789 >"conftest.in"
+ while :
+ do
+ cat "conftest.in" "conftest.in" >"conftest.tmp"
+ mv "conftest.tmp" "conftest.in"
+ cp "conftest.in" "conftest.nl"
+ $as_echo 'GREP' >> "conftest.nl"
+ "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+ diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+ as_fn_arith $ac_count + 1 && ac_count=$as_val
+ if test $ac_count -gt ${ac_path_GREP_max-0}; then
+ # Best one so far, save it but keep looking for a better one
+ ac_cv_path_GREP="$ac_path_GREP"
+ ac_path_GREP_max=$ac_count
+ fi
+ # 10*(2^10) chars as input seems more than enough
+ test $ac_count -gt 10 && break
+ done
+ rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+ $ac_path_GREP_found && break 3
+ done
+ done
+ done
+IFS=$as_save_IFS
+ if test -z "$ac_cv_path_GREP"; then
+ as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+ fi
+else
+ ac_cv_path_GREP=$GREP
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+$as_echo "$ac_cv_path_GREP" >&6; }
+ GREP="$ac_cv_path_GREP"
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+$as_echo_n "checking for egrep... " >&6; }
+if ${ac_cv_path_EGREP+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+ then ac_cv_path_EGREP="$GREP -E"
+ else
+ if test -z "$EGREP"; then
+ ac_path_EGREP_found=false
+ # Loop through the user's path and test for each of PROGNAME-LIST
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_prog in egrep; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+ as_fn_executable_p "$ac_path_EGREP" || continue
+# Check for GNU ac_path_EGREP and select it if it is found.
+ # Check for GNU $ac_path_EGREP
+case `"$ac_path_EGREP" --version 2>&1` in
+*GNU*)
+ ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
+*)
+ ac_count=0
+ $as_echo_n 0123456789 >"conftest.in"
+ while :
+ do
+ cat "conftest.in" "conftest.in" >"conftest.tmp"
+ mv "conftest.tmp" "conftest.in"
+ cp "conftest.in" "conftest.nl"
+ $as_echo 'EGREP' >> "conftest.nl"
+ "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+ diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+ as_fn_arith $ac_count + 1 && ac_count=$as_val
+ if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+ # Best one so far, save it but keep looking for a better one
+ ac_cv_path_EGREP="$ac_path_EGREP"
+ ac_path_EGREP_max=$ac_count
+ fi
+ # 10*(2^10) chars as input seems more than enough
+ test $ac_count -gt 10 && break
+ done
+ rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+ $ac_path_EGREP_found && break 3
+ done
+ done
+ done
+IFS=$as_save_IFS
+ if test -z "$ac_cv_path_EGREP"; then
+ as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+ fi
+else
+ ac_cv_path_EGREP=$EGREP
+fi
+
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+$as_echo "$ac_cv_path_EGREP" >&6; }
+ EGREP="$ac_cv_path_EGREP"
+
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+__SIZEOF_INT__ __SIZEOF_LONG__ __SIZEOF_POINTER__
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "4 4 4" >/dev/null 2>&1; then :
+ libc_cv_loongarch_int_abi=lp32
+fi
+rm -f conftest*
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+__SIZEOF_INT__ __SIZEOF_LONG__ __SIZEOF_POINTER__
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "4 8 8" >/dev/null 2>&1; then :
+ libc_cv_loongarch_int_abi=lp64
+fi
+rm -f conftest*
+
+if test $libc_cv_loongarch_int_abi = no; then
+ as_fn_error $? "Unable to determine integer ABI" "$LINENO" 5
+fi
+
+config_vars="$config_vars
+default-abi = $libc_cv_loongarch_int_abi"
+
+case $libc_cv_loongarch_int_abi in
+lp32)
+ test -n "$libc_cv_slibdir" ||
+case "$prefix" in
+/usr | /usr/)
+ libc_cv_slibdir='/lib32'
+ libc_cv_rtlddir='/lib32'
+ if test "$libdir" = '${exec_prefix}/lib'; then
+ libdir='${exec_prefix}/lib32';
+ # Locale data can be shared between 32-bit and 64-bit libraries.
+ libc_cv_complocaledir='${exec_prefix}/lib/locale'
+ fi
+ ;;
+esac
+ ;;
+lp64)
+ test -n "$libc_cv_slibdir" ||
+case "$prefix" in
+/usr | /usr/)
+ libc_cv_slibdir='/lib64'
+ libc_cv_rtlddir='/lib64'
+ if test "$libdir" = '${exec_prefix}/lib'; then
+ libdir='${exec_prefix}/lib64';
+ # Locale data can be shared between 32-bit and 64-bit libraries.
+ libc_cv_complocaledir='${exec_prefix}/lib/locale'
+ fi
+ ;;
+esac
+ ;;
+esac
+
+ldd_rewrite_script=sysdeps/unix/sysv/linux/loongarch/ldd-rewrite.sed
diff --git a/sysdeps/unix/sysv/linux/loongarch/configure.ac b/sysdeps/unix/sysv/linux/loongarch/configure.ac
new file mode 100644
index 00000000..fef4f4d2
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/configure.ac
@@ -0,0 +1,27 @@
+sinclude(./aclocal.m4)dnl Autoconf lossage
+GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
+# Local configure fragment for sysdeps/unix/sysv/linux/loongarch.
+
+arch_minimum_kernel=4.15.0
+
+libc_cv_loongarch_int_abi=no
+AC_EGREP_CPP(4 4 4, [__SIZEOF_INT__ __SIZEOF_LONG__ __SIZEOF_POINTER__
+ ], libc_cv_loongarch_int_abi=lp32)
+AC_EGREP_CPP(4 8 8, [__SIZEOF_INT__ __SIZEOF_LONG__ __SIZEOF_POINTER__
+ ], libc_cv_loongarch_int_abi=lp64)
+if test $libc_cv_loongarch_int_abi = no; then
+ AC_MSG_ERROR([Unable to determine integer ABI])
+fi
+
+LIBC_CONFIG_VAR([default-abi], [$libc_cv_loongarch_int_abi])
+
+case $libc_cv_loongarch_int_abi in
+lp32)
+ LIBC_SLIBDIR_RTLDDIR([lib32], [lib32])
+ ;;
+lp64)
+ LIBC_SLIBDIR_RTLDDIR([lib64], [lib])
+ ;;
+esac
+
+ldd_rewrite_script=sysdeps/unix/sysv/linux/loongarch/ldd-rewrite.sed
diff --git a/sysdeps/unix/sysv/linux/loongarch/dl-static.c b/sysdeps/unix/sysv/linux/loongarch/dl-static.c
new file mode 100644
index 00000000..12b030f0
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/dl-static.c
@@ -0,0 +1,84 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <ldsodefs.h>
+
+#ifdef SHARED
+
+void
+_dl_var_init (void *array[])
+{
+ /* It has to match "variables" below. */
+ enum
+ {
+ DL_PAGESIZE = 0
+ };
+
+ GLRO(dl_pagesize) = *((size_t *) array[DL_PAGESIZE]);
+}
+
+#else
+
+static void *variables[] =
+{
+ &GLRO(dl_pagesize)
+};
+
+static void
+_dl_unprotect_relro (struct link_map *l)
+{
+ ElfW(Addr) start = ((l->l_addr + l->l_relro_addr)
+ & ~(GLRO(dl_pagesize) - 1));
+ ElfW(Addr) end = ((l->l_addr + l->l_relro_addr + l->l_relro_size)
+ & ~(GLRO(dl_pagesize) - 1));
+
+ if (start != end)
+ __mprotect ((void *) start, end - start, PROT_READ | PROT_WRITE);
+}
+
+void
+_dl_static_init (struct link_map *l)
+{
+ struct link_map *rtld_map = l;
+ struct r_scope_elem **scope;
+ const ElfW(Sym) *ref = NULL;
+ lookup_t loadbase;
+ void (*f) (void *[]);
+ size_t i;
+
+ loadbase = _dl_lookup_symbol_x ("_dl_var_init", l, &ref, l->l_local_scope,
+ NULL, 0, 1, NULL);
+
+ for (scope = l->l_local_scope; *scope != NULL; scope++)
+ for (i = 0; i < (*scope)->r_nlist; i++)
+ if ((*scope)->r_list[i] == loadbase)
+ {
+ rtld_map = (*scope)->r_list[i];
+ break;
+ }
+
+ if (ref != NULL)
+ {
+ f = (void (*) (void *[])) DL_SYMBOL_ADDRESS (loadbase, ref);
+ _dl_unprotect_relro (rtld_map);
+ f (variables);
+ _dl_protect_relro (rtld_map);
+ }
+}
+
+#endif
diff --git a/sysdeps/unix/sysv/linux/loongarch/getcontext.S b/sysdeps/unix/sysv/linux/loongarch/getcontext.S
new file mode 100644
index 00000000..9c28d958
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/getcontext.S
@@ -0,0 +1,72 @@
+/* Save current context.
+ Copyright (C) 2009-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include "ucontext-macros.h"
+
+/* int getcontext (ucontext_t *ucp) */
+
+ .text
+LEAF (__getcontext)
+ SAVE_INT_REG (ra, 1, a0)
+ SAVE_INT_REG (sp, 3, a0)
+ SAVE_INT_REG (zero, 4, a0) /* return 0 by overwriting a0. */
+ SAVE_INT_REG (x, 21, a0)
+ SAVE_INT_REG (fp, 22, a0)
+ SAVE_INT_REG (s0, 23, a0)
+ SAVE_INT_REG (s1, 24, a0)
+ SAVE_INT_REG (s2, 25, a0)
+ SAVE_INT_REG (s3, 26, a0)
+ SAVE_INT_REG (s4, 27, a0)
+ SAVE_INT_REG (s5, 28, a0)
+ SAVE_INT_REG (s6, 29, a0)
+ SAVE_INT_REG (s7, 30, a0)
+ SAVE_INT_REG (s8, 31, a0)
+ st.d ra, a0, MCONTEXT_PC
+
+#ifndef __loongarch_soft_float
+ movfcsr2gr a1, $r0
+
+ SAVE_FP_REG (fs0, 24, a0)
+ SAVE_FP_REG (fs1, 25, a0)
+ SAVE_FP_REG (fs2, 26, a0)
+ SAVE_FP_REG (fs3, 27, a0)
+ SAVE_FP_REG (fs4, 28, a0)
+ SAVE_FP_REG (fs5, 29, a0)
+ SAVE_FP_REG (fs6, 30, a0)
+ SAVE_FP_REG (fs7, 31, a0)
+
+ st.w a1, a0, MCONTEXT_FCSR
+#endif /* __loongarch_soft_float */
+
+/* rt_sigprocmask (SIG_BLOCK, NULL, &ucp->uc_sigmask, _NSIG8) */
+ li.d a3, _NSIG8
+ addi.d a2, a0, UCONTEXT_SIGMASK
+ ori a1, zero,0
+ li.d a0, SIG_BLOCK
+
+ li.d a7, SYS_ify (rt_sigprocmask)
+ syscall 0
+ blt a0, zero, 99f
+
+ jirl $r0, $r1, 0
+
+99: b __syscall_error
+
+PSEUDO_END (__getcontext)
+
+weak_alias (__getcontext, getcontext)
diff --git a/sysdeps/unix/sysv/linux/loongarch/getpid.c b/sysdeps/unix/sysv/linux/loongarch/getpid.c
new file mode 100644
index 00000000..5b4edb2b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/getpid.c
@@ -0,0 +1,54 @@
+/* getpid - get the pid. Linux/Loongarch version.
+ Copyright (C) 2015-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <unistd.h>
+
+#ifdef SHARED
+# include <dl-vdso.h>
+# include <errno.h>
+
+static pid_t
+__getpid_syscall (void)
+{
+ return INLINE_SYSCALL (getpid, 0);
+}
+
+# ifndef __getpid_type
+# define __getpid_type __getpid
+# endif
+
+# undef INIT_ARCH
+# define INIT_ARCH() PREPARE_VERSION_KNOWN (linux26, LINUX_2_6)
+libc_ifunc_hidden (__getpid_type, __getpid, (_dl_vdso_vsym ("__vdso_getpid", &linux26) ?: &__getpid_syscall))
+libc_hidden_def (__getpid)
+
+#else
+
+# include <sysdep.h>
+# include <errno.h>
+
+pid_t
+__getpid (void)
+{
+ return INLINE_SYSCALL (getpid, 0);
+}
+libc_hidden_def (__getpid);
+
+#endif
+weak_alias (__getpid, getpid)
+libc_hidden_weak (getpid)
diff --git a/sysdeps/unix/sysv/linux/loongarch/gettimeofday.c b/sysdeps/unix/sysv/linux/loongarch/gettimeofday.c
new file mode 100644
index 00000000..902b1a5d
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/gettimeofday.c
@@ -0,0 +1,58 @@
+/* gettimeofday - get the time. Linux/LoongArch version.
+ Copyright (C) 2015-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sys/time.h>
+
+#ifdef SHARED
+
+# include <dl-vdso.h>
+# include <errno.h>
+
+static int
+__gettimeofday_syscall (struct timeval *tv, struct timezone *tz)
+{
+ return INLINE_SYSCALL (gettimeofday, 2, tv, tz);
+}
+
+# ifndef __gettimeofday_type
+# define __gettimeofday_type __gettimeofday
+# endif
+
+# undef INIT_ARCH
+# define INIT_ARCH() PREPARE_VERSION_KNOWN (linux26, LINUX_2_6)
+/* If the vDSO is not available we fall back to syscall. */
+libc_ifunc_hidden (__gettimeofday_type, __gettimeofday,
+ (_dl_vdso_vsym ("__vdso_gettimeofday", &linux26)
+ ?: &__gettimeofday_syscall))
+libc_hidden_def (__gettimeofday)
+
+#else
+
+# include <sysdep.h>
+# include <errno.h>
+
+int
+__gettimeofday (struct timeval *tv, struct timezone *tz)
+{
+ return INLINE_SYSCALL (gettimeofday, 2, tv, tz);
+}
+libc_hidden_def (__gettimeofday)
+
+#endif
+weak_alias (__gettimeofday, gettimeofday)
+libc_hidden_weak (gettimeofday)
diff --git a/sysdeps/unix/sysv/linux/loongarch/getuid.c b/sysdeps/unix/sysv/linux/loongarch/getuid.c
new file mode 100644
index 00000000..4b3f95eb
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/getuid.c
@@ -0,0 +1,60 @@
+/* getuid - get the uid. Linux/Loongarch version.
+ Copyright (C) 2015-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <unistd.h>
+
+#ifdef SHARED
+
+# include <dl-vdso.h>
+# include <errno.h>
+
+libc_hidden_proto (getuid)
+
+extern __uid_t __getuid (void);
+libc_hidden_proto (__getuid)
+
+static uid_t
+__getuid_syscall(void)
+{
+ return INLINE_SYSCALL (getuid, 0);
+}
+
+# ifndef __getuid_type
+# define __getuid_type __getuid
+# endif
+
+# undef INIT_ARCH
+# define INIT_ARCH() PREPARE_VERSION_KNOWN (linux26, LINUX_2_6)
+libc_ifunc_hidden (__getuid_type, __getuid, (_dl_vdso_vsym ("__vdso_getuid", &linux26) ?: &__getuid_syscall))
+libc_hidden_def (__getuid)
+
+#else
+
+# include <sysdep.h>
+# include <errno.h>
+
+uid_t
+__getuid(void)
+{
+ return INLINE_SYSCALL (getuid, 0);
+}
+libc_hidden_def (__getuid)
+
+#endif
+weak_alias (__getuid, getuid)
+libc_hidden_weak (getuid)
diff --git a/sysdeps/unix/sysv/linux/loongarch/init-first.c b/sysdeps/unix/sysv/linux/loongarch/init-first.c
new file mode 100644
index 00000000..5185a831
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/init-first.c
@@ -0,0 +1,57 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifdef SHARED
+# include <dl-vdso.h>
+# include <libc-vdso.h>
+
+long int (*VDSO_SYMBOL (getcpu)) (unsigned int *, unsigned int *, void *)
+ attribute_hidden;
+long int (*VDSO_SYMBOL (gettimeofday)) (struct timeval *, void *)
+ attribute_hidden;
+long int (*VDSO_SYMBOL (clock_gettime)) (clockid_t, struct timespec *)
+ attribute_hidden;
+long int (*VDSO_SYMBOL (clock_getres)) (clockid_t, struct timespec *)
+ attribute_hidden;
+
+static inline void
+_libc_vdso_platform_setup (void)
+{
+ PREPARE_VERSION_KNOWN (linux_version, LINUX_2_6);
+
+ void *p = _dl_vdso_vsym ("__vdso_getcpu", &linux_version);
+ PTR_MANGLE (p);
+ VDSO_SYMBOL (getcpu) = p;
+
+ p = _dl_vdso_vsym ("__vdso_gettimeofday", &linux_version);
+ PTR_MANGLE (p);
+ VDSO_SYMBOL (gettimeofday) = p;
+
+ p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux_version);
+ PTR_MANGLE (p);
+ VDSO_SYMBOL (clock_gettime) = p;
+
+ p = _dl_vdso_vsym ("__vdso_clock_getres", &linux_version);
+ PTR_MANGLE (p);
+ VDSO_SYMBOL (clock_getres) = p;
+}
+
+# define VDSO_SETUP _libc_vdso_platform_setup
+#endif
+
+#include <csu/init-first.c>
diff --git a/sysdeps/unix/sysv/linux/loongarch/ipc_priv.h b/sysdeps/unix/sysv/linux/loongarch/ipc_priv.h
new file mode 100644
index 00000000..51583429
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/ipc_priv.h
@@ -0,0 +1,21 @@
+/* Old SysV permission definition for Linux. LoongArch version.
+ Copyright (C) 2020 Loongson Technology, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sys/ipc.h> /* For __key_t */
+
+#define __IPC_64 0x0
diff --git a/sysdeps/unix/sysv/linux/loongarch/kernel-features.h b/sysdeps/unix/sysv/linux/loongarch/kernel-features.h
new file mode 100644
index 00000000..c87c7967
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/kernel-features.h
@@ -0,0 +1,24 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+ *
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include_next <kernel-features.h>
+
+/* No support for PI mutexes or robust futexes before 4.20. */
+#if __LINUX_KERNEL_VERSION < 0x041400
+# undef __ASSUME_SET_ROBUST_LIST
+#endif
diff --git a/sysdeps/unix/sysv/linux/loongarch/ldd-rewrite.sed b/sysdeps/unix/sysv/linux/loongarch/ldd-rewrite.sed
new file mode 100644
index 00000000..131c5f14
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/ldd-rewrite.sed
@@ -0,0 +1 @@
+s_^\(RTLDLIST=\)\(.*lib/\)\(ld-linux\)-\(loongarch64\)-\(lp64\)\(d*\)\(\.so\.[0-9.]*\)_\1"\2\3-\4-\5\7 \2\3-\4-\5d\7"_
diff --git a/sysdeps/unix/sysv/linux/loongarch/ldsodefs.h b/sysdeps/unix/sysv/linux/loongarch/ldsodefs.h
new file mode 100644
index 00000000..c0fc7046
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/ldsodefs.h
@@ -0,0 +1,32 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _LDSODEFS_H
+
+/* Get the real definitions. */
+#include_next <ldsodefs.h>
+
+/* Now define our stuff. */
+
+/* We need special support to initialize DSO loaded for statically linked
+ binaries. */
+extern void _dl_static_init (struct link_map *map);
+#undef DL_STATIC_INIT
+#define DL_STATIC_INIT(map) _dl_static_init (map)
+
+#endif /* ldsodefs.h */
diff --git a/sysdeps/unix/sysv/linux/loongarch/libc-vdso.h b/sysdeps/unix/sysv/linux/loongarch/libc-vdso.h
new file mode 100644
index 00000000..658c27a5
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/libc-vdso.h
@@ -0,0 +1,37 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _LIBC_VDSO_H
+#define _LIBC_VDSO_H
+
+#ifdef SHARED
+
+# include <sysdep-vdso.h>
+
+extern long int (*VDSO_SYMBOL (getcpu)) (unsigned int *, unsigned int *, void *)
+ attribute_hidden;
+extern long int (*VDSO_SYMBOL (gettimeofday)) (struct timeval *, void *)
+ attribute_hidden;
+extern long int (*VDSO_SYMBOL (clock_gettime)) (clockid_t, struct timespec *)
+ attribute_hidden;
+extern long int (*VDSO_SYMBOL (clock_getres)) (clockid_t, struct timespec *)
+ attribute_hidden;
+
+#endif
+
+#endif /* _LIBC_VDSO_H */
diff --git a/sysdeps/unix/sysv/linux/loongarch/localplt.data b/sysdeps/unix/sysv/linux/loongarch/localplt.data
new file mode 100644
index 00000000..0ed8650b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/localplt.data
@@ -0,0 +1,13 @@
+# See scripts/check-localplt.awk for how this file is processed.
+# PLT use is required for the malloc family and for matherr because
+# users can define their own functions and have library internals call them.
+libc.so: calloc
+libc.so: free
+libc.so: malloc
+libc.so: memalign
+libc.so: realloc
+# The TLS-enabled version of these functions is interposed from libc.so.
+ld.so: _dl_signal_error
+ld.so: _dl_catch_error
+ld.so: _dl_signal_exception
+ld.so: _dl_catch_exception
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/Implies b/sysdeps/unix/sysv/linux/loongarch/lp64/Implies
new file mode 100644
index 00000000..117c2b8e
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/Implies
@@ -0,0 +1,3 @@
+unix/sysv/linux/loongarch
+unix/sysv/linux/generic
+unix/sysv/linux/wordsize-64
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/c++-types.data b/sysdeps/unix/sysv/linux/loongarch/lp64/c++-types.data
new file mode 100644
index 00000000..ac925ccb
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/c++-types.data
@@ -0,0 +1,67 @@
+blkcnt64_t:l
+blkcnt_t:l
+blksize_t:i
+caddr_t:Pc
+clockid_t:i
+clock_t:l
+daddr_t:i
+dev_t:m
+fd_mask:l
+fsblkcnt64_t:m
+fsblkcnt_t:m
+fsfilcnt64_t:m
+fsfilcnt_t:m
+fsid_t:8__fsid_t
+gid_t:j
+id_t:j
+ino64_t:m
+ino_t:m
+int16_t:s
+int32_t:i
+int64_t:l
+int8_t:a
+intptr_t:l
+key_t:i
+loff_t:l
+mode_t:j
+nlink_t:j
+off64_t:l
+off_t:l
+pid_t:i
+pthread_attr_t:14pthread_attr_t
+pthread_barrier_t:17pthread_barrier_t
+pthread_barrierattr_t:21pthread_barrierattr_t
+pthread_cond_t:14pthread_cond_t
+pthread_condattr_t:18pthread_condattr_t
+pthread_key_t:j
+pthread_mutex_t:15pthread_mutex_t
+pthread_mutexattr_t:19pthread_mutexattr_t
+pthread_once_t:i
+pthread_rwlock_t:16pthread_rwlock_t
+pthread_rwlockattr_t:20pthread_rwlockattr_t
+pthread_spinlock_t:i
+pthread_t:m
+quad_t:l
+register_t:l
+rlim64_t:m
+rlim_t:m
+sigset_t:10__sigset_t
+size_t:m
+socklen_t:j
+ssize_t:l
+suseconds_t:l
+time_t:l
+u_char:h
+uid_t:j
+uint:j
+u_int:j
+u_int16_t:t
+u_int32_t:j
+u_int64_t:m
+u_int8_t:h
+ulong:m
+u_long:m
+u_quad_t:m
+useconds_t:j
+ushort:t
+u_short:t
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/jmp_buf-macros.h b/sysdeps/unix/sysv/linux/loongarch/lp64/jmp_buf-macros.h
new file mode 100644
index 00000000..e1c96e67
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/jmp_buf-macros.h
@@ -0,0 +1,41 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* Produced by this program:
+
+ #include <stdio.h>
+ #include <unistd.h>
+ #include <setjmp.h>
+ #include <stddef.h>
+
+ int main (int argc, char **argv)
+ {
+ printf ("#define JMP_BUF_SIZE %d\n", sizeof (jmp_buf));
+ printf ("#define JMP_BUF_ALIGN %d\n", __alignof__ (jmp_buf));
+ printf ("#define SIGJMP_BUF_SIZE %d\n", sizeof (sigjmp_buf));
+ printf ("#define SIGJMP_BUF_ALIGN %d\n", __alignof__ (sigjmp_buf));
+ printf ("#define MASK_WAS_SAVED_OFFSET %d\n", offsetof (struct __jmp_buf_tag, __mask_was_saved));
+ printf ("#define SAVED_MASK_OFFSET %d\n", offsetof (struct __jmp_buf_tag, __saved_mask));
+ } */
+
+# define JMP_BUF_SIZE 304
+# define JMP_BUF_ALIGN 8
+# define SIGJMP_BUF_SIZE 304
+# define SIGJMP_BUF_ALIGN 8
+# define MASK_WAS_SAVED_OFFSET 168
+# define SAVED_MASK_OFFSET 176
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/ld.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/ld.abilist
new file mode 100644
index 00000000..845f356c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/ld.abilist
@@ -0,0 +1,5 @@
+GLIBC_2.27 __libc_stack_end D 0x8
+GLIBC_2.27 __stack_chk_guard D 0x8
+GLIBC_2.27 __tls_get_addr F
+GLIBC_2.27 _dl_mcount F
+GLIBC_2.27 _r_debug D 0x28
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/libBrokenLocale.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/libBrokenLocale.abilist
new file mode 100644
index 00000000..18968d3c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libBrokenLocale.abilist
@@ -0,0 +1 @@
+GLIBC_2.27 __ctype_get_mb_cur_max F
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/libanl.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/libanl.abilist
new file mode 100644
index 00000000..711fc87c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libanl.abilist
@@ -0,0 +1,4 @@
+GLIBC_2.27 gai_cancel F
+GLIBC_2.27 gai_error F
+GLIBC_2.27 gai_suspend F
+GLIBC_2.27 getaddrinfo_a F
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
new file mode 100644
index 00000000..4d8733f2
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
@@ -0,0 +1,2101 @@
+GLIBC_2.27 _Exit F
+GLIBC_2.27 _IO_2_1_stderr_ D 0xe0
+GLIBC_2.27 _IO_2_1_stdin_ D 0xe0
+GLIBC_2.27 _IO_2_1_stdout_ D 0xe0
+GLIBC_2.27 _IO_adjust_column F
+GLIBC_2.27 _IO_adjust_wcolumn F
+GLIBC_2.27 _IO_default_doallocate F
+GLIBC_2.27 _IO_default_finish F
+GLIBC_2.27 _IO_default_pbackfail F
+GLIBC_2.27 _IO_default_uflow F
+GLIBC_2.27 _IO_default_xsgetn F
+GLIBC_2.27 _IO_default_xsputn F
+GLIBC_2.27 _IO_do_write F
+GLIBC_2.27 _IO_doallocbuf F
+GLIBC_2.27 _IO_fclose F
+GLIBC_2.27 _IO_fdopen F
+GLIBC_2.27 _IO_feof F
+GLIBC_2.27 _IO_ferror F
+GLIBC_2.27 _IO_fflush F
+GLIBC_2.27 _IO_fgetpos F
+GLIBC_2.27 _IO_fgetpos64 F
+GLIBC_2.27 _IO_fgets F
+GLIBC_2.27 _IO_file_attach F
+GLIBC_2.27 _IO_file_close F
+GLIBC_2.27 _IO_file_close_it F
+GLIBC_2.27 _IO_file_doallocate F
+GLIBC_2.27 _IO_file_finish F
+GLIBC_2.27 _IO_file_fopen F
+GLIBC_2.27 _IO_file_init F
+GLIBC_2.27 _IO_file_jumps D 0xa8
+GLIBC_2.27 _IO_file_open F
+GLIBC_2.27 _IO_file_overflow F
+GLIBC_2.27 _IO_file_read F
+GLIBC_2.27 _IO_file_seek F
+GLIBC_2.27 _IO_file_seekoff F
+GLIBC_2.27 _IO_file_setbuf F
+GLIBC_2.27 _IO_file_stat F
+GLIBC_2.27 _IO_file_sync F
+GLIBC_2.27 _IO_file_underflow F
+GLIBC_2.27 _IO_file_write F
+GLIBC_2.27 _IO_file_xsputn F
+GLIBC_2.27 _IO_flockfile F
+GLIBC_2.27 _IO_flush_all F
+GLIBC_2.27 _IO_flush_all_linebuffered F
+GLIBC_2.27 _IO_fopen F
+GLIBC_2.27 _IO_fprintf F
+GLIBC_2.27 _IO_fputs F
+GLIBC_2.27 _IO_fread F
+GLIBC_2.27 _IO_free_backup_area F
+GLIBC_2.27 _IO_free_wbackup_area F
+GLIBC_2.27 _IO_fsetpos F
+GLIBC_2.27 _IO_fsetpos64 F
+GLIBC_2.27 _IO_ftell F
+GLIBC_2.27 _IO_ftrylockfile F
+GLIBC_2.27 _IO_funlockfile F
+GLIBC_2.27 _IO_fwrite F
+GLIBC_2.27 _IO_getc F
+GLIBC_2.27 _IO_getline F
+GLIBC_2.27 _IO_getline_info F
+GLIBC_2.27 _IO_gets F
+GLIBC_2.27 _IO_init F
+GLIBC_2.27 _IO_init_marker F
+GLIBC_2.27 _IO_init_wmarker F
+GLIBC_2.27 _IO_iter_begin F
+GLIBC_2.27 _IO_iter_end F
+GLIBC_2.27 _IO_iter_file F
+GLIBC_2.27 _IO_iter_next F
+GLIBC_2.27 _IO_least_wmarker F
+GLIBC_2.27 _IO_link_in F
+GLIBC_2.27 _IO_list_all D 0x8
+GLIBC_2.27 _IO_list_lock F
+GLIBC_2.27 _IO_list_resetlock F
+GLIBC_2.27 _IO_list_unlock F
+GLIBC_2.27 _IO_marker_delta F
+GLIBC_2.27 _IO_marker_difference F
+GLIBC_2.27 _IO_padn F
+GLIBC_2.27 _IO_peekc_locked F
+GLIBC_2.27 _IO_popen F
+GLIBC_2.27 _IO_printf F
+GLIBC_2.27 _IO_proc_close F
+GLIBC_2.27 _IO_proc_open F
+GLIBC_2.27 _IO_putc F
+GLIBC_2.27 _IO_puts F
+GLIBC_2.27 _IO_remove_marker F
+GLIBC_2.27 _IO_seekmark F
+GLIBC_2.27 _IO_seekoff F
+GLIBC_2.27 _IO_seekpos F
+GLIBC_2.27 _IO_seekwmark F
+GLIBC_2.27 _IO_setb F
+GLIBC_2.27 _IO_setbuffer F
+GLIBC_2.27 _IO_setvbuf F
+GLIBC_2.27 _IO_sgetn F
+GLIBC_2.27 _IO_sprintf F
+GLIBC_2.27 _IO_sputbackc F
+GLIBC_2.27 _IO_sputbackwc F
+GLIBC_2.27 _IO_sscanf F
+GLIBC_2.27 _IO_str_init_readonly F
+GLIBC_2.27 _IO_str_init_static F
+GLIBC_2.27 _IO_str_overflow F
+GLIBC_2.27 _IO_str_pbackfail F
+GLIBC_2.27 _IO_str_seekoff F
+GLIBC_2.27 _IO_str_underflow F
+GLIBC_2.27 _IO_sungetc F
+GLIBC_2.27 _IO_sungetwc F
+GLIBC_2.27 _IO_switch_to_get_mode F
+GLIBC_2.27 _IO_switch_to_main_wget_area F
+GLIBC_2.27 _IO_switch_to_wbackup_area F
+GLIBC_2.27 _IO_switch_to_wget_mode F
+GLIBC_2.27 _IO_un_link F
+GLIBC_2.27 _IO_ungetc F
+GLIBC_2.27 _IO_unsave_markers F
+GLIBC_2.27 _IO_unsave_wmarkers F
+GLIBC_2.27 _IO_vfprintf F
+GLIBC_2.27 _IO_vfscanf F
+GLIBC_2.27 _IO_vsprintf F
+GLIBC_2.27 _IO_wdefault_doallocate F
+GLIBC_2.27 _IO_wdefault_finish F
+GLIBC_2.27 _IO_wdefault_pbackfail F
+GLIBC_2.27 _IO_wdefault_uflow F
+GLIBC_2.27 _IO_wdefault_xsgetn F
+GLIBC_2.27 _IO_wdefault_xsputn F
+GLIBC_2.27 _IO_wdo_write F
+GLIBC_2.27 _IO_wdoallocbuf F
+GLIBC_2.27 _IO_wfile_jumps D 0xa8
+GLIBC_2.27 _IO_wfile_overflow F
+GLIBC_2.27 _IO_wfile_seekoff F
+GLIBC_2.27 _IO_wfile_sync F
+GLIBC_2.27 _IO_wfile_underflow F
+GLIBC_2.27 _IO_wfile_xsputn F
+GLIBC_2.27 _IO_wmarker_delta F
+GLIBC_2.27 _IO_wsetb F
+GLIBC_2.27 ___brk_addr D 0x8
+GLIBC_2.27 __adjtimex F
+GLIBC_2.27 __after_morecore_hook D 0x8
+GLIBC_2.27 __argz_count F
+GLIBC_2.27 __argz_next F
+GLIBC_2.27 __argz_stringify F
+GLIBC_2.27 __asprintf F
+GLIBC_2.27 __asprintf_chk F
+GLIBC_2.27 __assert F
+GLIBC_2.27 __assert_fail F
+GLIBC_2.27 __assert_perror_fail F
+GLIBC_2.27 __backtrace F
+GLIBC_2.27 __backtrace_symbols F
+GLIBC_2.27 __backtrace_symbols_fd F
+GLIBC_2.27 __bsd_getpgrp F
+GLIBC_2.27 __bzero F
+GLIBC_2.27 __check_rhosts_file D 0x4
+GLIBC_2.27 __chk_fail F
+GLIBC_2.27 __clone F
+GLIBC_2.27 __close F
+GLIBC_2.27 __cmsg_nxthdr F
+GLIBC_2.27 __confstr_chk F
+GLIBC_2.27 __connect F
+GLIBC_2.27 __ctype_b_loc F
+GLIBC_2.27 __ctype_get_mb_cur_max F
+GLIBC_2.27 __ctype_tolower_loc F
+GLIBC_2.27 __ctype_toupper_loc F
+GLIBC_2.27 __curbrk D 0x8
+GLIBC_2.27 __cxa_at_quick_exit F
+GLIBC_2.27 __cxa_atexit F
+GLIBC_2.27 __cxa_finalize F
+GLIBC_2.27 __cxa_thread_atexit_impl F
+GLIBC_2.27 __cyg_profile_func_enter F
+GLIBC_2.27 __cyg_profile_func_exit F
+GLIBC_2.27 __daylight D 0x4
+GLIBC_2.27 __dcgettext F
+GLIBC_2.27 __default_morecore F
+GLIBC_2.27 __dgettext F
+GLIBC_2.27 __dprintf_chk F
+GLIBC_2.27 __dup2 F
+GLIBC_2.27 __duplocale F
+GLIBC_2.27 __endmntent F
+GLIBC_2.27 __environ D 0x8
+GLIBC_2.27 __errno_location F
+GLIBC_2.27 __explicit_bzero_chk F
+GLIBC_2.27 __fbufsize F
+GLIBC_2.27 __fcntl F
+GLIBC_2.27 __fdelt_chk F
+GLIBC_2.27 __fdelt_warn F
+GLIBC_2.27 __ffs F
+GLIBC_2.27 __fgets_chk F
+GLIBC_2.27 __fgets_unlocked_chk F
+GLIBC_2.27 __fgetws_chk F
+GLIBC_2.27 __fgetws_unlocked_chk F
+GLIBC_2.27 __finite F
+GLIBC_2.27 __finitef F
+GLIBC_2.27 __finitel F
+GLIBC_2.27 __flbf F
+GLIBC_2.27 __fork F
+GLIBC_2.27 __fpending F
+GLIBC_2.27 __fprintf_chk F
+GLIBC_2.27 __fpu_control D 0x4
+GLIBC_2.27 __fpurge F
+GLIBC_2.27 __fread_chk F
+GLIBC_2.27 __fread_unlocked_chk F
+GLIBC_2.27 __freadable F
+GLIBC_2.27 __freading F
+GLIBC_2.27 __free_hook D 0x8
+GLIBC_2.27 __freelocale F
+GLIBC_2.27 __fsetlocking F
+GLIBC_2.27 __fwprintf_chk F
+GLIBC_2.27 __fwritable F
+GLIBC_2.27 __fwriting F
+GLIBC_2.27 __fxstat F
+GLIBC_2.27 __fxstat64 F
+GLIBC_2.27 __fxstatat F
+GLIBC_2.27 __fxstatat64 F
+GLIBC_2.27 __getauxval F
+GLIBC_2.27 __getcwd_chk F
+GLIBC_2.27 __getdelim F
+GLIBC_2.27 __getdomainname_chk F
+GLIBC_2.27 __getgroups_chk F
+GLIBC_2.27 __gethostname_chk F
+GLIBC_2.27 __getlogin_r_chk F
+GLIBC_2.27 __getmntent_r F
+GLIBC_2.27 __getpagesize F
+GLIBC_2.27 __getpgid F
+GLIBC_2.27 __getpid F
+GLIBC_2.27 __gets_chk F
+GLIBC_2.27 __gettimeofday F
+GLIBC_2.27 __getwd_chk F
+GLIBC_2.27 __gmtime_r F
+GLIBC_2.27 __h_errno_location F
+GLIBC_2.27 __isalnum_l F
+GLIBC_2.27 __isalpha_l F
+GLIBC_2.27 __isascii_l F
+GLIBC_2.27 __isblank_l F
+GLIBC_2.27 __iscntrl_l F
+GLIBC_2.27 __isctype F
+GLIBC_2.27 __isdigit_l F
+GLIBC_2.27 __isgraph_l F
+GLIBC_2.27 __isinf F
+GLIBC_2.27 __isinff F
+GLIBC_2.27 __isinfl F
+GLIBC_2.27 __islower_l F
+GLIBC_2.27 __isnan F
+GLIBC_2.27 __isnanf F
+GLIBC_2.27 __isnanl F
+GLIBC_2.27 __isoc99_fscanf F
+GLIBC_2.27 __isoc99_fwscanf F
+GLIBC_2.27 __isoc99_scanf F
+GLIBC_2.27 __isoc99_sscanf F
+GLIBC_2.27 __isoc99_swscanf F
+GLIBC_2.27 __isoc99_vfscanf F
+GLIBC_2.27 __isoc99_vfwscanf F
+GLIBC_2.27 __isoc99_vscanf F
+GLIBC_2.27 __isoc99_vsscanf F
+GLIBC_2.27 __isoc99_vswscanf F
+GLIBC_2.27 __isoc99_vwscanf F
+GLIBC_2.27 __isoc99_wscanf F
+GLIBC_2.27 __isprint_l F
+GLIBC_2.27 __ispunct_l F
+GLIBC_2.27 __isspace_l F
+GLIBC_2.27 __isupper_l F
+GLIBC_2.27 __iswalnum_l F
+GLIBC_2.27 __iswalpha_l F
+GLIBC_2.27 __iswblank_l F
+GLIBC_2.27 __iswcntrl_l F
+GLIBC_2.27 __iswctype F
+GLIBC_2.27 __iswctype_l F
+GLIBC_2.27 __iswdigit_l F
+GLIBC_2.27 __iswgraph_l F
+GLIBC_2.27 __iswlower_l F
+GLIBC_2.27 __iswprint_l F
+GLIBC_2.27 __iswpunct_l F
+GLIBC_2.27 __iswspace_l F
+GLIBC_2.27 __iswupper_l F
+GLIBC_2.27 __iswxdigit_l F
+GLIBC_2.27 __isxdigit_l F
+GLIBC_2.27 __ivaliduser F
+GLIBC_2.27 __key_decryptsession_pk_LOCAL D 0x8
+GLIBC_2.27 __key_encryptsession_pk_LOCAL D 0x8
+GLIBC_2.27 __key_gendes_LOCAL D 0x8
+GLIBC_2.27 __libc_allocate_rtsig F
+GLIBC_2.27 __libc_calloc F
+GLIBC_2.27 __libc_current_sigrtmax F
+GLIBC_2.27 __libc_current_sigrtmin F
+GLIBC_2.27 __libc_free F
+GLIBC_2.27 __libc_freeres F
+GLIBC_2.27 __libc_init_first F
+GLIBC_2.27 __libc_mallinfo F
+GLIBC_2.27 __libc_malloc F
+GLIBC_2.27 __libc_mallopt F
+GLIBC_2.27 __libc_memalign F
+GLIBC_2.27 __libc_pvalloc F
+GLIBC_2.27 __libc_realloc F
+GLIBC_2.27 __libc_sa_len F
+GLIBC_2.27 __libc_start_main F
+GLIBC_2.27 __libc_valloc F
+GLIBC_2.27 __longjmp_chk F
+GLIBC_2.27 __lseek F
+GLIBC_2.27 __lxstat F
+GLIBC_2.27 __lxstat64 F
+GLIBC_2.27 __malloc_hook D 0x8
+GLIBC_2.27 __mbrlen F
+GLIBC_2.27 __mbrtowc F
+GLIBC_2.27 __mbsnrtowcs_chk F
+GLIBC_2.27 __mbsrtowcs_chk F
+GLIBC_2.27 __mbstowcs_chk F
+GLIBC_2.27 __memalign_hook D 0x8
+GLIBC_2.27 __memcpy_chk F
+GLIBC_2.27 __memmove_chk F
+GLIBC_2.27 __mempcpy F
+GLIBC_2.27 __mempcpy_chk F
+GLIBC_2.27 __memset_chk F
+GLIBC_2.27 __monstartup F
+GLIBC_2.27 __morecore D 0x8
+GLIBC_2.27 __nanosleep F
+GLIBC_2.27 __newlocale F
+GLIBC_2.27 __nl_langinfo_l F
+GLIBC_2.27 __nss_configure_lookup F
+GLIBC_2.27 __nss_database_lookup F
+GLIBC_2.27 __nss_hostname_digits_dots F
+GLIBC_2.27 __nss_next F
+GLIBC_2.27 __obstack_printf_chk F
+GLIBC_2.27 __obstack_vprintf_chk F
+GLIBC_2.27 __open F
+GLIBC_2.27 __open64 F
+GLIBC_2.27 __open64_2 F
+GLIBC_2.27 __open_2 F
+GLIBC_2.27 __openat64_2 F
+GLIBC_2.27 __openat_2 F
+GLIBC_2.27 __overflow F
+GLIBC_2.27 __pipe F
+GLIBC_2.27 __poll F
+GLIBC_2.27 __poll_chk F
+GLIBC_2.27 __posix_getopt F
+GLIBC_2.27 __ppoll_chk F
+GLIBC_2.27 __pread64 F
+GLIBC_2.27 __pread64_chk F
+GLIBC_2.27 __pread_chk F
+GLIBC_2.27 __printf_chk F
+GLIBC_2.27 __printf_fp F
+GLIBC_2.27 __profile_frequency F
+GLIBC_2.27 __progname D 0x8
+GLIBC_2.27 __progname_full D 0x8
+GLIBC_2.27 __ptsname_r_chk F
+GLIBC_2.27 __pwrite64 F
+GLIBC_2.27 __rawmemchr F
+GLIBC_2.27 __rcmd_errstr D 0x8
+GLIBC_2.27 __read F
+GLIBC_2.27 __read_chk F
+GLIBC_2.27 __readlink_chk F
+GLIBC_2.27 __readlinkat_chk F
+GLIBC_2.27 __realloc_hook D 0x8
+GLIBC_2.27 __realpath_chk F
+GLIBC_2.27 __recv_chk F
+GLIBC_2.27 __recvfrom_chk F
+GLIBC_2.27 __register_atfork F
+GLIBC_2.27 __res_init F
+GLIBC_2.27 __res_nclose F
+GLIBC_2.27 __res_ninit F
+GLIBC_2.27 __res_randomid F
+GLIBC_2.27 __res_state F
+GLIBC_2.27 __rpc_thread_createerr F
+GLIBC_2.27 __rpc_thread_svc_fdset F
+GLIBC_2.27 __rpc_thread_svc_max_pollfd F
+GLIBC_2.27 __rpc_thread_svc_pollfd F
+GLIBC_2.27 __sbrk F
+GLIBC_2.27 __sched_cpualloc F
+GLIBC_2.27 __sched_cpucount F
+GLIBC_2.27 __sched_cpufree F
+GLIBC_2.27 __sched_get_priority_max F
+GLIBC_2.27 __sched_get_priority_min F
+GLIBC_2.27 __sched_getparam F
+GLIBC_2.27 __sched_getscheduler F
+GLIBC_2.27 __sched_setscheduler F
+GLIBC_2.27 __sched_yield F
+GLIBC_2.27 __select F
+GLIBC_2.27 __send F
+GLIBC_2.27 __setmntent F
+GLIBC_2.27 __setpgid F
+GLIBC_2.27 __sigaction F
+GLIBC_2.27 __signbit F
+GLIBC_2.27 __signbitf F
+GLIBC_2.27 __signbitl F
+GLIBC_2.27 __sigpause F
+GLIBC_2.27 __sigsetjmp F
+GLIBC_2.27 __sigsuspend F
+GLIBC_2.27 __snprintf_chk F
+GLIBC_2.27 __sprintf_chk F
+GLIBC_2.27 __stack_chk_fail F
+GLIBC_2.27 __statfs F
+GLIBC_2.27 __stpcpy F
+GLIBC_2.27 __stpcpy_chk F
+GLIBC_2.27 __stpncpy F
+GLIBC_2.27 __stpncpy_chk F
+GLIBC_2.27 __strcasecmp F
+GLIBC_2.27 __strcasecmp_l F
+GLIBC_2.27 __strcasestr F
+GLIBC_2.27 __strcat_chk F
+GLIBC_2.27 __strcoll_l F
+GLIBC_2.27 __strcpy_chk F
+GLIBC_2.27 __strdup F
+GLIBC_2.27 __strerror_r F
+GLIBC_2.27 __strfmon_l F
+GLIBC_2.27 __strftime_l F
+GLIBC_2.27 __strncasecmp_l F
+GLIBC_2.27 __strncat_chk F
+GLIBC_2.27 __strncpy_chk F
+GLIBC_2.27 __strndup F
+GLIBC_2.27 __strsep_g F
+GLIBC_2.27 __strtod_internal F
+GLIBC_2.27 __strtod_l F
+GLIBC_2.27 __strtof_internal F
+GLIBC_2.27 __strtof_l F
+GLIBC_2.27 __strtok_r F
+GLIBC_2.27 __strtol_internal F
+GLIBC_2.27 __strtol_l F
+GLIBC_2.27 __strtold_internal F
+GLIBC_2.27 __strtold_l F
+GLIBC_2.27 __strtoll_internal F
+GLIBC_2.27 __strtoll_l F
+GLIBC_2.27 __strtoul_internal F
+GLIBC_2.27 __strtoul_l F
+GLIBC_2.27 __strtoull_internal F
+GLIBC_2.27 __strtoull_l F
+GLIBC_2.27 __strverscmp F
+GLIBC_2.27 __strxfrm_l F
+GLIBC_2.27 __swprintf_chk F
+GLIBC_2.27 __sysconf F
+GLIBC_2.27 __syslog_chk F
+GLIBC_2.27 __sysv_signal F
+GLIBC_2.27 __timezone D 0x8
+GLIBC_2.27 __toascii_l F
+GLIBC_2.27 __tolower_l F
+GLIBC_2.27 __toupper_l F
+GLIBC_2.27 __towctrans F
+GLIBC_2.27 __towctrans_l F
+GLIBC_2.27 __towlower_l F
+GLIBC_2.27 __towupper_l F
+GLIBC_2.27 __ttyname_r_chk F
+GLIBC_2.27 __tzname D 0x10
+GLIBC_2.27 __uflow F
+GLIBC_2.27 __underflow F
+GLIBC_2.27 __uselocale F
+GLIBC_2.27 __vasprintf_chk F
+GLIBC_2.27 __vdprintf_chk F
+GLIBC_2.27 __vfork F
+GLIBC_2.27 __vfprintf_chk F
+GLIBC_2.27 __vfscanf F
+GLIBC_2.27 __vfwprintf_chk F
+GLIBC_2.27 __vprintf_chk F
+GLIBC_2.27 __vsnprintf F
+GLIBC_2.27 __vsnprintf_chk F
+GLIBC_2.27 __vsprintf_chk F
+GLIBC_2.27 __vsscanf F
+GLIBC_2.27 __vswprintf_chk F
+GLIBC_2.27 __vsyslog_chk F
+GLIBC_2.27 __vwprintf_chk F
+GLIBC_2.27 __wait F
+GLIBC_2.27 __waitpid F
+GLIBC_2.27 __wcpcpy_chk F
+GLIBC_2.27 __wcpncpy_chk F
+GLIBC_2.27 __wcrtomb_chk F
+GLIBC_2.27 __wcscasecmp_l F
+GLIBC_2.27 __wcscat_chk F
+GLIBC_2.27 __wcscoll_l F
+GLIBC_2.27 __wcscpy_chk F
+GLIBC_2.27 __wcsftime_l F
+GLIBC_2.27 __wcsncasecmp_l F
+GLIBC_2.27 __wcsncat_chk F
+GLIBC_2.27 __wcsncpy_chk F
+GLIBC_2.27 __wcsnrtombs_chk F
+GLIBC_2.27 __wcsrtombs_chk F
+GLIBC_2.27 __wcstod_internal F
+GLIBC_2.27 __wcstod_l F
+GLIBC_2.27 __wcstof_internal F
+GLIBC_2.27 __wcstof_l F
+GLIBC_2.27 __wcstol_internal F
+GLIBC_2.27 __wcstol_l F
+GLIBC_2.27 __wcstold_internal F
+GLIBC_2.27 __wcstold_l F
+GLIBC_2.27 __wcstoll_internal F
+GLIBC_2.27 __wcstoll_l F
+GLIBC_2.27 __wcstombs_chk F
+GLIBC_2.27 __wcstoul_internal F
+GLIBC_2.27 __wcstoul_l F
+GLIBC_2.27 __wcstoull_internal F
+GLIBC_2.27 __wcstoull_l F
+GLIBC_2.27 __wcsxfrm_l F
+GLIBC_2.27 __wctomb_chk F
+GLIBC_2.27 __wctrans_l F
+GLIBC_2.27 __wctype_l F
+GLIBC_2.27 __wmemcpy_chk F
+GLIBC_2.27 __wmemmove_chk F
+GLIBC_2.27 __wmempcpy_chk F
+GLIBC_2.27 __wmemset_chk F
+GLIBC_2.27 __woverflow F
+GLIBC_2.27 __wprintf_chk F
+GLIBC_2.27 __write F
+GLIBC_2.27 __wuflow F
+GLIBC_2.27 __wunderflow F
+GLIBC_2.27 __xmknod F
+GLIBC_2.27 __xmknodat F
+GLIBC_2.27 __xpg_basename F
+GLIBC_2.27 __xpg_sigpause F
+GLIBC_2.27 __xpg_strerror_r F
+GLIBC_2.27 __xstat F
+GLIBC_2.27 __xstat64 F
+GLIBC_2.27 _authenticate F
+GLIBC_2.27 _dl_mcount_wrapper F
+GLIBC_2.27 _dl_mcount_wrapper_check F
+GLIBC_2.27 _environ D 0x8
+GLIBC_2.27 _exit F
+GLIBC_2.27 _flushlbf F
+GLIBC_2.27 _libc_intl_domainname D 0x5
+GLIBC_2.27 _longjmp F
+GLIBC_2.27 _mcleanup F
+GLIBC_2.27 _mcount F
+GLIBC_2.27 _nl_default_dirname D 0x12
+GLIBC_2.27 _nl_domain_bindings D 0x8
+GLIBC_2.27 _nl_msg_cat_cntr D 0x4
+GLIBC_2.27 _null_auth D 0x18
+GLIBC_2.27 _obstack_allocated_p F
+GLIBC_2.27 _obstack_begin F
+GLIBC_2.27 _obstack_begin_1 F
+GLIBC_2.27 _obstack_free F
+GLIBC_2.27 _obstack_memory_used F
+GLIBC_2.27 _obstack_newchunk F
+GLIBC_2.27 _res D 0x238
+GLIBC_2.27 _res_hconf D 0x48
+GLIBC_2.27 _rpc_dtablesize F
+GLIBC_2.27 _seterr_reply F
+GLIBC_2.27 _setjmp F
+GLIBC_2.27 _sys_errlist D 0x2370
+GLIBC_2.27 _sys_nerr D 0x4
+GLIBC_2.27 _sys_siglist D 0x400
+GLIBC_2.27 _tolower F
+GLIBC_2.27 _toupper F
+GLIBC_2.27 a64l F
+GLIBC_2.27 abort F
+GLIBC_2.27 abs F
+GLIBC_2.27 accept F
+GLIBC_2.27 accept4 F
+GLIBC_2.27 access F
+GLIBC_2.27 acct F
+GLIBC_2.27 addmntent F
+GLIBC_2.27 addseverity F
+GLIBC_2.27 adjtime F
+GLIBC_2.27 adjtimex F
+GLIBC_2.27 alarm F
+GLIBC_2.27 aligned_alloc F
+GLIBC_2.27 alphasort F
+GLIBC_2.27 alphasort64 F
+GLIBC_2.27 argp_err_exit_status D 0x4
+GLIBC_2.27 argp_error F
+GLIBC_2.27 argp_failure F
+GLIBC_2.27 argp_help F
+GLIBC_2.27 argp_parse F
+GLIBC_2.27 argp_program_bug_address D 0x8
+GLIBC_2.27 argp_program_version D 0x8
+GLIBC_2.27 argp_program_version_hook D 0x8
+GLIBC_2.27 argp_state_help F
+GLIBC_2.27 argp_usage F
+GLIBC_2.27 argz_add F
+GLIBC_2.27 argz_add_sep F
+GLIBC_2.27 argz_append F
+GLIBC_2.27 argz_count F
+GLIBC_2.27 argz_create F
+GLIBC_2.27 argz_create_sep F
+GLIBC_2.27 argz_delete F
+GLIBC_2.27 argz_extract F
+GLIBC_2.27 argz_insert F
+GLIBC_2.27 argz_next F
+GLIBC_2.27 argz_replace F
+GLIBC_2.27 argz_stringify F
+GLIBC_2.27 asctime F
+GLIBC_2.27 asctime_r F
+GLIBC_2.27 asprintf F
+GLIBC_2.27 atof F
+GLIBC_2.27 atoi F
+GLIBC_2.27 atol F
+GLIBC_2.27 atoll F
+GLIBC_2.27 authdes_create F
+GLIBC_2.27 authdes_getucred F
+GLIBC_2.27 authdes_pk_create F
+GLIBC_2.27 authnone_create F
+GLIBC_2.27 authunix_create F
+GLIBC_2.27 authunix_create_default F
+GLIBC_2.27 backtrace F
+GLIBC_2.27 backtrace_symbols F
+GLIBC_2.27 backtrace_symbols_fd F
+GLIBC_2.27 basename F
+GLIBC_2.27 bcmp F
+GLIBC_2.27 bcopy F
+GLIBC_2.27 bind F
+GLIBC_2.27 bind_textdomain_codeset F
+GLIBC_2.27 bindresvport F
+GLIBC_2.27 bindtextdomain F
+GLIBC_2.27 brk F
+GLIBC_2.27 bsd_signal F
+GLIBC_2.27 bsearch F
+GLIBC_2.27 btowc F
+GLIBC_2.27 bzero F
+GLIBC_2.27 c16rtomb F
+GLIBC_2.27 c32rtomb F
+GLIBC_2.27 calloc F
+GLIBC_2.27 callrpc F
+GLIBC_2.27 canonicalize_file_name F
+GLIBC_2.27 capget F
+GLIBC_2.27 capset F
+GLIBC_2.27 catclose F
+GLIBC_2.27 catgets F
+GLIBC_2.27 catopen F
+GLIBC_2.27 cbc_crypt F
+GLIBC_2.27 cfgetispeed F
+GLIBC_2.27 cfgetospeed F
+GLIBC_2.27 cfmakeraw F
+GLIBC_2.27 cfsetispeed F
+GLIBC_2.27 cfsetospeed F
+GLIBC_2.27 cfsetspeed F
+GLIBC_2.27 chdir F
+GLIBC_2.27 chflags F
+GLIBC_2.27 chmod F
+GLIBC_2.27 chown F
+GLIBC_2.27 chroot F
+GLIBC_2.27 clearenv F
+GLIBC_2.27 clearerr F
+GLIBC_2.27 clearerr_unlocked F
+GLIBC_2.27 clnt_broadcast F
+GLIBC_2.27 clnt_create F
+GLIBC_2.27 clnt_pcreateerror F
+GLIBC_2.27 clnt_perrno F
+GLIBC_2.27 clnt_perror F
+GLIBC_2.27 clnt_spcreateerror F
+GLIBC_2.27 clnt_sperrno F
+GLIBC_2.27 clnt_sperror F
+GLIBC_2.27 clntraw_create F
+GLIBC_2.27 clnttcp_create F
+GLIBC_2.27 clntudp_bufcreate F
+GLIBC_2.27 clntudp_create F
+GLIBC_2.27 clntunix_create F
+GLIBC_2.27 clock F
+GLIBC_2.27 clock_adjtime F
+GLIBC_2.27 clock_getcpuclockid F
+GLIBC_2.27 clock_getres F
+GLIBC_2.27 clock_gettime F
+GLIBC_2.27 clock_nanosleep F
+GLIBC_2.27 clock_settime F
+GLIBC_2.27 clone F
+GLIBC_2.27 close F
+GLIBC_2.27 closedir F
+GLIBC_2.27 closelog F
+GLIBC_2.27 confstr F
+GLIBC_2.27 connect F
+GLIBC_2.27 copy_file_range F
+GLIBC_2.27 copysign F
+GLIBC_2.27 copysignf F
+GLIBC_2.27 copysignl F
+GLIBC_2.27 creat F
+GLIBC_2.27 creat64 F
+GLIBC_2.27 ctermid F
+GLIBC_2.27 ctime F
+GLIBC_2.27 ctime_r F
+GLIBC_2.27 cuserid F
+GLIBC_2.27 daemon F
+GLIBC_2.27 daylight D 0x4
+GLIBC_2.27 dcgettext F
+GLIBC_2.27 dcngettext F
+GLIBC_2.27 delete_module F
+GLIBC_2.27 des_setparity F
+GLIBC_2.27 dgettext F
+GLIBC_2.27 difftime F
+GLIBC_2.27 dirfd F
+GLIBC_2.27 dirname F
+GLIBC_2.27 div F
+GLIBC_2.27 dl_iterate_phdr F
+GLIBC_2.27 dngettext F
+GLIBC_2.27 dprintf F
+GLIBC_2.27 drand48 F
+GLIBC_2.27 drand48_r F
+GLIBC_2.27 dup F
+GLIBC_2.27 dup2 F
+GLIBC_2.27 dup3 F
+GLIBC_2.27 duplocale F
+GLIBC_2.27 dysize F
+GLIBC_2.27 eaccess F
+GLIBC_2.27 ecb_crypt F
+GLIBC_2.27 ecvt F
+GLIBC_2.27 ecvt_r F
+GLIBC_2.27 endaliasent F
+GLIBC_2.27 endfsent F
+GLIBC_2.27 endgrent F
+GLIBC_2.27 endhostent F
+GLIBC_2.27 endmntent F
+GLIBC_2.27 endnetent F
+GLIBC_2.27 endnetgrent F
+GLIBC_2.27 endprotoent F
+GLIBC_2.27 endpwent F
+GLIBC_2.27 endrpcent F
+GLIBC_2.27 endservent F
+GLIBC_2.27 endsgent F
+GLIBC_2.27 endspent F
+GLIBC_2.27 endttyent F
+GLIBC_2.27 endusershell F
+GLIBC_2.27 endutent F
+GLIBC_2.27 endutxent F
+GLIBC_2.27 environ D 0x8
+GLIBC_2.27 envz_add F
+GLIBC_2.27 envz_entry F
+GLIBC_2.27 envz_get F
+GLIBC_2.27 envz_merge F
+GLIBC_2.27 envz_remove F
+GLIBC_2.27 envz_strip F
+GLIBC_2.27 epoll_create F
+GLIBC_2.27 epoll_create1 F
+GLIBC_2.27 epoll_ctl F
+GLIBC_2.27 epoll_pwait F
+GLIBC_2.27 epoll_wait F
+GLIBC_2.27 erand48 F
+GLIBC_2.27 erand48_r F
+GLIBC_2.27 err F
+GLIBC_2.27 error F
+GLIBC_2.27 error_at_line F
+GLIBC_2.27 error_message_count D 0x4
+GLIBC_2.27 error_one_per_line D 0x4
+GLIBC_2.27 error_print_progname D 0x8
+GLIBC_2.27 errx F
+GLIBC_2.27 ether_aton F
+GLIBC_2.27 ether_aton_r F
+GLIBC_2.27 ether_hostton F
+GLIBC_2.27 ether_line F
+GLIBC_2.27 ether_ntoa F
+GLIBC_2.27 ether_ntoa_r F
+GLIBC_2.27 ether_ntohost F
+GLIBC_2.27 euidaccess F
+GLIBC_2.27 eventfd F
+GLIBC_2.27 eventfd_read F
+GLIBC_2.27 eventfd_write F
+GLIBC_2.27 execl F
+GLIBC_2.27 execle F
+GLIBC_2.27 execlp F
+GLIBC_2.27 execv F
+GLIBC_2.27 execve F
+GLIBC_2.27 execvp F
+GLIBC_2.27 execvpe F
+GLIBC_2.27 exit F
+GLIBC_2.27 explicit_bzero F
+GLIBC_2.27 faccessat F
+GLIBC_2.27 fallocate F
+GLIBC_2.27 fallocate64 F
+GLIBC_2.27 fanotify_init F
+GLIBC_2.27 fanotify_mark F
+GLIBC_2.27 fattach F
+GLIBC_2.27 fchdir F
+GLIBC_2.27 fchflags F
+GLIBC_2.27 fchmod F
+GLIBC_2.27 fchmodat F
+GLIBC_2.27 fchown F
+GLIBC_2.27 fchownat F
+GLIBC_2.27 fclose F
+GLIBC_2.27 fcloseall F
+GLIBC_2.27 fcntl F
+GLIBC_2.27 fcvt F
+GLIBC_2.27 fcvt_r F
+GLIBC_2.27 fdatasync F
+GLIBC_2.27 fdetach F
+GLIBC_2.27 fdopen F
+GLIBC_2.27 fdopendir F
+GLIBC_2.27 feof F
+GLIBC_2.27 feof_unlocked F
+GLIBC_2.27 ferror F
+GLIBC_2.27 ferror_unlocked F
+GLIBC_2.27 fexecve F
+GLIBC_2.27 fflush F
+GLIBC_2.27 fflush_unlocked F
+GLIBC_2.27 ffs F
+GLIBC_2.27 ffsl F
+GLIBC_2.27 ffsll F
+GLIBC_2.27 fgetc F
+GLIBC_2.27 fgetc_unlocked F
+GLIBC_2.27 fgetgrent F
+GLIBC_2.27 fgetgrent_r F
+GLIBC_2.27 fgetpos F
+GLIBC_2.27 fgetpos64 F
+GLIBC_2.27 fgetpwent F
+GLIBC_2.27 fgetpwent_r F
+GLIBC_2.27 fgets F
+GLIBC_2.27 fgets_unlocked F
+GLIBC_2.27 fgetsgent F
+GLIBC_2.27 fgetsgent_r F
+GLIBC_2.27 fgetspent F
+GLIBC_2.27 fgetspent_r F
+GLIBC_2.27 fgetwc F
+GLIBC_2.27 fgetwc_unlocked F
+GLIBC_2.27 fgetws F
+GLIBC_2.27 fgetws_unlocked F
+GLIBC_2.27 fgetxattr F
+GLIBC_2.27 fileno F
+GLIBC_2.27 fileno_unlocked F
+GLIBC_2.27 finite F
+GLIBC_2.27 finitef F
+GLIBC_2.27 finitel F
+GLIBC_2.27 flistxattr F
+GLIBC_2.27 flock F
+GLIBC_2.27 flockfile F
+GLIBC_2.27 fmemopen F
+GLIBC_2.27 fmtmsg F
+GLIBC_2.27 fnmatch F
+GLIBC_2.27 fopen F
+GLIBC_2.27 fopen64 F
+GLIBC_2.27 fopencookie F
+GLIBC_2.27 fork F
+GLIBC_2.27 fpathconf F
+GLIBC_2.27 fprintf F
+GLIBC_2.27 fputc F
+GLIBC_2.27 fputc_unlocked F
+GLIBC_2.27 fputs F
+GLIBC_2.27 fputs_unlocked F
+GLIBC_2.27 fputwc F
+GLIBC_2.27 fputwc_unlocked F
+GLIBC_2.27 fputws F
+GLIBC_2.27 fputws_unlocked F
+GLIBC_2.27 fread F
+GLIBC_2.27 fread_unlocked F
+GLIBC_2.27 free F
+GLIBC_2.27 freeaddrinfo F
+GLIBC_2.27 freeifaddrs F
+GLIBC_2.27 freelocale F
+GLIBC_2.27 fremovexattr F
+GLIBC_2.27 freopen F
+GLIBC_2.27 freopen64 F
+GLIBC_2.27 frexp F
+GLIBC_2.27 frexpf F
+GLIBC_2.27 frexpl F
+GLIBC_2.27 fscanf F
+GLIBC_2.27 fseek F
+GLIBC_2.27 fseeko F
+GLIBC_2.27 fseeko64 F
+GLIBC_2.27 fsetpos F
+GLIBC_2.27 fsetpos64 F
+GLIBC_2.27 fsetxattr F
+GLIBC_2.27 fstatfs F
+GLIBC_2.27 fstatfs64 F
+GLIBC_2.27 fstatvfs F
+GLIBC_2.27 fstatvfs64 F
+GLIBC_2.27 fsync F
+GLIBC_2.27 ftell F
+GLIBC_2.27 ftello F
+GLIBC_2.27 ftello64 F
+GLIBC_2.27 ftime F
+GLIBC_2.27 ftok F
+GLIBC_2.27 ftruncate F
+GLIBC_2.27 ftruncate64 F
+GLIBC_2.27 ftrylockfile F
+GLIBC_2.27 fts64_children F
+GLIBC_2.27 fts64_close F
+GLIBC_2.27 fts64_open F
+GLIBC_2.27 fts64_read F
+GLIBC_2.27 fts64_set F
+GLIBC_2.27 fts_children F
+GLIBC_2.27 fts_close F
+GLIBC_2.27 fts_open F
+GLIBC_2.27 fts_read F
+GLIBC_2.27 fts_set F
+GLIBC_2.27 ftw F
+GLIBC_2.27 ftw64 F
+GLIBC_2.27 funlockfile F
+GLIBC_2.27 futimens F
+GLIBC_2.27 futimes F
+GLIBC_2.27 futimesat F
+GLIBC_2.27 fwide F
+GLIBC_2.27 fwprintf F
+GLIBC_2.27 fwrite F
+GLIBC_2.27 fwrite_unlocked F
+GLIBC_2.27 fwscanf F
+GLIBC_2.27 gai_strerror F
+GLIBC_2.27 gcvt F
+GLIBC_2.27 get_avphys_pages F
+GLIBC_2.27 get_current_dir_name F
+GLIBC_2.27 get_myaddress F
+GLIBC_2.27 get_nprocs F
+GLIBC_2.27 get_nprocs_conf F
+GLIBC_2.27 get_phys_pages F
+GLIBC_2.27 getaddrinfo F
+GLIBC_2.27 getaliasbyname F
+GLIBC_2.27 getaliasbyname_r F
+GLIBC_2.27 getaliasent F
+GLIBC_2.27 getaliasent_r F
+GLIBC_2.27 getauxval F
+GLIBC_2.27 getc F
+GLIBC_2.27 getc_unlocked F
+GLIBC_2.27 getchar F
+GLIBC_2.27 getchar_unlocked F
+GLIBC_2.27 getcontext F
+GLIBC_2.27 getcwd F
+GLIBC_2.27 getdate F
+GLIBC_2.27 getdate_err D 0x4
+GLIBC_2.27 getdate_r F
+GLIBC_2.27 getdelim F
+GLIBC_2.27 getdirentries F
+GLIBC_2.27 getdirentries64 F
+GLIBC_2.27 getdomainname F
+GLIBC_2.27 getdtablesize F
+GLIBC_2.27 getegid F
+GLIBC_2.27 getentropy F
+GLIBC_2.27 getenv F
+GLIBC_2.27 geteuid F
+GLIBC_2.27 getfsent F
+GLIBC_2.27 getfsfile F
+GLIBC_2.27 getfsspec F
+GLIBC_2.27 getgid F
+GLIBC_2.27 getgrent F
+GLIBC_2.27 getgrent_r F
+GLIBC_2.27 getgrgid F
+GLIBC_2.27 getgrgid_r F
+GLIBC_2.27 getgrnam F
+GLIBC_2.27 getgrnam_r F
+GLIBC_2.27 getgrouplist F
+GLIBC_2.27 getgroups F
+GLIBC_2.27 gethostbyaddr F
+GLIBC_2.27 gethostbyaddr_r F
+GLIBC_2.27 gethostbyname F
+GLIBC_2.27 gethostbyname2 F
+GLIBC_2.27 gethostbyname2_r F
+GLIBC_2.27 gethostbyname_r F
+GLIBC_2.27 gethostent F
+GLIBC_2.27 gethostent_r F
+GLIBC_2.27 gethostid F
+GLIBC_2.27 gethostname F
+GLIBC_2.27 getifaddrs F
+GLIBC_2.27 getipv4sourcefilter F
+GLIBC_2.27 getitimer F
+GLIBC_2.27 getline F
+GLIBC_2.27 getloadavg F
+GLIBC_2.27 getlogin F
+GLIBC_2.27 getlogin_r F
+GLIBC_2.27 getmntent F
+GLIBC_2.27 getmntent_r F
+GLIBC_2.27 getmsg F
+GLIBC_2.27 getnameinfo F
+GLIBC_2.27 getnetbyaddr F
+GLIBC_2.27 getnetbyaddr_r F
+GLIBC_2.27 getnetbyname F
+GLIBC_2.27 getnetbyname_r F
+GLIBC_2.27 getnetent F
+GLIBC_2.27 getnetent_r F
+GLIBC_2.27 getnetgrent F
+GLIBC_2.27 getnetgrent_r F
+GLIBC_2.27 getnetname F
+GLIBC_2.27 getopt F
+GLIBC_2.27 getopt_long F
+GLIBC_2.27 getopt_long_only F
+GLIBC_2.27 getpagesize F
+GLIBC_2.27 getpass F
+GLIBC_2.27 getpeername F
+GLIBC_2.27 getpgid F
+GLIBC_2.27 getpgrp F
+GLIBC_2.27 getpid F
+GLIBC_2.27 getpmsg F
+GLIBC_2.27 getppid F
+GLIBC_2.27 getpriority F
+GLIBC_2.27 getprotobyname F
+GLIBC_2.27 getprotobyname_r F
+GLIBC_2.27 getprotobynumber F
+GLIBC_2.27 getprotobynumber_r F
+GLIBC_2.27 getprotoent F
+GLIBC_2.27 getprotoent_r F
+GLIBC_2.27 getpt F
+GLIBC_2.27 getpublickey F
+GLIBC_2.27 getpw F
+GLIBC_2.27 getpwent F
+GLIBC_2.27 getpwent_r F
+GLIBC_2.27 getpwnam F
+GLIBC_2.27 getpwnam_r F
+GLIBC_2.27 getpwuid F
+GLIBC_2.27 getpwuid_r F
+GLIBC_2.27 getrandom F
+GLIBC_2.27 getresgid F
+GLIBC_2.27 getresuid F
+GLIBC_2.27 getrlimit F
+GLIBC_2.27 getrlimit64 F
+GLIBC_2.27 getrpcbyname F
+GLIBC_2.27 getrpcbyname_r F
+GLIBC_2.27 getrpcbynumber F
+GLIBC_2.27 getrpcbynumber_r F
+GLIBC_2.27 getrpcent F
+GLIBC_2.27 getrpcent_r F
+GLIBC_2.27 getrpcport F
+GLIBC_2.27 getrusage F
+GLIBC_2.27 gets F
+GLIBC_2.27 getsecretkey F
+GLIBC_2.27 getservbyname F
+GLIBC_2.27 getservbyname_r F
+GLIBC_2.27 getservbyport F
+GLIBC_2.27 getservbyport_r F
+GLIBC_2.27 getservent F
+GLIBC_2.27 getservent_r F
+GLIBC_2.27 getsgent F
+GLIBC_2.27 getsgent_r F
+GLIBC_2.27 getsgnam F
+GLIBC_2.27 getsgnam_r F
+GLIBC_2.27 getsid F
+GLIBC_2.27 getsockname F
+GLIBC_2.27 getsockopt F
+GLIBC_2.27 getsourcefilter F
+GLIBC_2.27 getspent F
+GLIBC_2.27 getspent_r F
+GLIBC_2.27 getspnam F
+GLIBC_2.27 getspnam_r F
+GLIBC_2.27 getsubopt F
+GLIBC_2.27 gettext F
+GLIBC_2.27 gettimeofday F
+GLIBC_2.27 getttyent F
+GLIBC_2.27 getttynam F
+GLIBC_2.27 getuid F
+GLIBC_2.27 getusershell F
+GLIBC_2.27 getutent F
+GLIBC_2.27 getutent_r F
+GLIBC_2.27 getutid F
+GLIBC_2.27 getutid_r F
+GLIBC_2.27 getutline F
+GLIBC_2.27 getutline_r F
+GLIBC_2.27 getutmp F
+GLIBC_2.27 getutmpx F
+GLIBC_2.27 getutxent F
+GLIBC_2.27 getutxid F
+GLIBC_2.27 getutxline F
+GLIBC_2.27 getw F
+GLIBC_2.27 getwc F
+GLIBC_2.27 getwc_unlocked F
+GLIBC_2.27 getwchar F
+GLIBC_2.27 getwchar_unlocked F
+GLIBC_2.27 getwd F
+GLIBC_2.27 getxattr F
+GLIBC_2.27 glob F
+GLIBC_2.27 glob64 F
+GLIBC_2.27 glob_pattern_p F
+GLIBC_2.27 globfree F
+GLIBC_2.27 globfree64 F
+GLIBC_2.27 gmtime F
+GLIBC_2.27 gmtime_r F
+GLIBC_2.27 gnu_dev_major F
+GLIBC_2.27 gnu_dev_makedev F
+GLIBC_2.27 gnu_dev_minor F
+GLIBC_2.27 gnu_get_libc_release F
+GLIBC_2.27 gnu_get_libc_version F
+GLIBC_2.27 grantpt F
+GLIBC_2.27 group_member F
+GLIBC_2.27 gsignal F
+GLIBC_2.27 gtty F
+GLIBC_2.27 h_errlist D 0x28
+GLIBC_2.27 h_nerr D 0x4
+GLIBC_2.27 hasmntopt F
+GLIBC_2.27 hcreate F
+GLIBC_2.27 hcreate_r F
+GLIBC_2.27 hdestroy F
+GLIBC_2.27 hdestroy_r F
+GLIBC_2.27 herror F
+GLIBC_2.27 host2netname F
+GLIBC_2.27 hsearch F
+GLIBC_2.27 hsearch_r F
+GLIBC_2.27 hstrerror F
+GLIBC_2.27 htonl F
+GLIBC_2.27 htons F
+GLIBC_2.27 iconv F
+GLIBC_2.27 iconv_close F
+GLIBC_2.27 iconv_open F
+GLIBC_2.27 if_freenameindex F
+GLIBC_2.27 if_indextoname F
+GLIBC_2.27 if_nameindex F
+GLIBC_2.27 if_nametoindex F
+GLIBC_2.27 imaxabs F
+GLIBC_2.27 imaxdiv F
+GLIBC_2.27 in6addr_any D 0x10
+GLIBC_2.27 in6addr_loopback D 0x10
+GLIBC_2.27 index F
+GLIBC_2.27 inet6_opt_append F
+GLIBC_2.27 inet6_opt_find F
+GLIBC_2.27 inet6_opt_finish F
+GLIBC_2.27 inet6_opt_get_val F
+GLIBC_2.27 inet6_opt_init F
+GLIBC_2.27 inet6_opt_next F
+GLIBC_2.27 inet6_opt_set_val F
+GLIBC_2.27 inet6_option_alloc F
+GLIBC_2.27 inet6_option_append F
+GLIBC_2.27 inet6_option_find F
+GLIBC_2.27 inet6_option_init F
+GLIBC_2.27 inet6_option_next F
+GLIBC_2.27 inet6_option_space F
+GLIBC_2.27 inet6_rth_add F
+GLIBC_2.27 inet6_rth_getaddr F
+GLIBC_2.27 inet6_rth_init F
+GLIBC_2.27 inet6_rth_reverse F
+GLIBC_2.27 inet6_rth_segments F
+GLIBC_2.27 inet6_rth_space F
+GLIBC_2.27 inet_addr F
+GLIBC_2.27 inet_aton F
+GLIBC_2.27 inet_lnaof F
+GLIBC_2.27 inet_makeaddr F
+GLIBC_2.27 inet_netof F
+GLIBC_2.27 inet_network F
+GLIBC_2.27 inet_nsap_addr F
+GLIBC_2.27 inet_nsap_ntoa F
+GLIBC_2.27 inet_ntoa F
+GLIBC_2.27 inet_ntop F
+GLIBC_2.27 inet_pton F
+GLIBC_2.27 init_module F
+GLIBC_2.27 initgroups F
+GLIBC_2.27 initstate F
+GLIBC_2.27 initstate_r F
+GLIBC_2.27 innetgr F
+GLIBC_2.27 inotify_add_watch F
+GLIBC_2.27 inotify_init F
+GLIBC_2.27 inotify_init1 F
+GLIBC_2.27 inotify_rm_watch F
+GLIBC_2.27 insque F
+GLIBC_2.27 ioctl F
+GLIBC_2.27 iruserok F
+GLIBC_2.27 iruserok_af F
+GLIBC_2.27 isalnum F
+GLIBC_2.27 isalnum_l F
+GLIBC_2.27 isalpha F
+GLIBC_2.27 isalpha_l F
+GLIBC_2.27 isascii F
+GLIBC_2.27 isastream F
+GLIBC_2.27 isatty F
+GLIBC_2.27 isblank F
+GLIBC_2.27 isblank_l F
+GLIBC_2.27 iscntrl F
+GLIBC_2.27 iscntrl_l F
+GLIBC_2.27 isctype F
+GLIBC_2.27 isdigit F
+GLIBC_2.27 isdigit_l F
+GLIBC_2.27 isfdtype F
+GLIBC_2.27 isgraph F
+GLIBC_2.27 isgraph_l F
+GLIBC_2.27 isinf F
+GLIBC_2.27 isinff F
+GLIBC_2.27 isinfl F
+GLIBC_2.27 islower F
+GLIBC_2.27 islower_l F
+GLIBC_2.27 isnan F
+GLIBC_2.27 isnanf F
+GLIBC_2.27 isnanl F
+GLIBC_2.27 isprint F
+GLIBC_2.27 isprint_l F
+GLIBC_2.27 ispunct F
+GLIBC_2.27 ispunct_l F
+GLIBC_2.27 isspace F
+GLIBC_2.27 isspace_l F
+GLIBC_2.27 isupper F
+GLIBC_2.27 isupper_l F
+GLIBC_2.27 iswalnum F
+GLIBC_2.27 iswalnum_l F
+GLIBC_2.27 iswalpha F
+GLIBC_2.27 iswalpha_l F
+GLIBC_2.27 iswblank F
+GLIBC_2.27 iswblank_l F
+GLIBC_2.27 iswcntrl F
+GLIBC_2.27 iswcntrl_l F
+GLIBC_2.27 iswctype F
+GLIBC_2.27 iswctype_l F
+GLIBC_2.27 iswdigit F
+GLIBC_2.27 iswdigit_l F
+GLIBC_2.27 iswgraph F
+GLIBC_2.27 iswgraph_l F
+GLIBC_2.27 iswlower F
+GLIBC_2.27 iswlower_l F
+GLIBC_2.27 iswprint F
+GLIBC_2.27 iswprint_l F
+GLIBC_2.27 iswpunct F
+GLIBC_2.27 iswpunct_l F
+GLIBC_2.27 iswspace F
+GLIBC_2.27 iswspace_l F
+GLIBC_2.27 iswupper F
+GLIBC_2.27 iswupper_l F
+GLIBC_2.27 iswxdigit F
+GLIBC_2.27 iswxdigit_l F
+GLIBC_2.27 isxdigit F
+GLIBC_2.27 isxdigit_l F
+GLIBC_2.27 jrand48 F
+GLIBC_2.27 jrand48_r F
+GLIBC_2.27 key_decryptsession F
+GLIBC_2.27 key_decryptsession_pk F
+GLIBC_2.27 key_encryptsession F
+GLIBC_2.27 key_encryptsession_pk F
+GLIBC_2.27 key_gendes F
+GLIBC_2.27 key_get_conv F
+GLIBC_2.27 key_secretkey_is_set F
+GLIBC_2.27 key_setnet F
+GLIBC_2.27 key_setsecret F
+GLIBC_2.27 kill F
+GLIBC_2.27 killpg F
+GLIBC_2.27 klogctl F
+GLIBC_2.27 l64a F
+GLIBC_2.27 labs F
+GLIBC_2.27 lchmod F
+GLIBC_2.27 lchown F
+GLIBC_2.27 lckpwdf F
+GLIBC_2.27 lcong48 F
+GLIBC_2.27 lcong48_r F
+GLIBC_2.27 ldexp F
+GLIBC_2.27 ldexpf F
+GLIBC_2.27 ldexpl F
+GLIBC_2.27 ldiv F
+GLIBC_2.27 lfind F
+GLIBC_2.27 lgetxattr F
+GLIBC_2.27 link F
+GLIBC_2.27 linkat F
+GLIBC_2.27 listen F
+GLIBC_2.27 listxattr F
+GLIBC_2.27 llabs F
+GLIBC_2.27 lldiv F
+GLIBC_2.27 llistxattr F
+GLIBC_2.27 llseek F
+GLIBC_2.27 localeconv F
+GLIBC_2.27 localtime F
+GLIBC_2.27 localtime_r F
+GLIBC_2.27 lockf F
+GLIBC_2.27 lockf64 F
+GLIBC_2.27 longjmp F
+GLIBC_2.27 lrand48 F
+GLIBC_2.27 lrand48_r F
+GLIBC_2.27 lremovexattr F
+GLIBC_2.27 lsearch F
+GLIBC_2.27 lseek F
+GLIBC_2.27 lseek64 F
+GLIBC_2.27 lsetxattr F
+GLIBC_2.27 lutimes F
+GLIBC_2.27 madvise F
+GLIBC_2.27 makecontext F
+GLIBC_2.27 mallinfo F
+GLIBC_2.27 malloc F
+GLIBC_2.27 malloc_info F
+GLIBC_2.27 malloc_stats F
+GLIBC_2.27 malloc_trim F
+GLIBC_2.27 malloc_usable_size F
+GLIBC_2.27 mallopt F
+GLIBC_2.27 mallwatch D 0x8
+GLIBC_2.27 mblen F
+GLIBC_2.27 mbrlen F
+GLIBC_2.27 mbrtoc16 F
+GLIBC_2.27 mbrtoc32 F
+GLIBC_2.27 mbrtowc F
+GLIBC_2.27 mbsinit F
+GLIBC_2.27 mbsnrtowcs F
+GLIBC_2.27 mbsrtowcs F
+GLIBC_2.27 mbstowcs F
+GLIBC_2.27 mbtowc F
+GLIBC_2.27 mcheck F
+GLIBC_2.27 mcheck_check_all F
+GLIBC_2.27 mcheck_pedantic F
+GLIBC_2.27 memalign F
+GLIBC_2.27 memccpy F
+GLIBC_2.27 memchr F
+GLIBC_2.27 memcmp F
+GLIBC_2.27 memcpy F
+GLIBC_2.27 memfd_create F
+GLIBC_2.27 memfrob F
+GLIBC_2.27 memmem F
+GLIBC_2.27 memmove F
+GLIBC_2.27 mempcpy F
+GLIBC_2.27 memrchr F
+GLIBC_2.27 memset F
+GLIBC_2.27 mincore F
+GLIBC_2.27 mkdir F
+GLIBC_2.27 mkdirat F
+GLIBC_2.27 mkdtemp F
+GLIBC_2.27 mkfifo F
+GLIBC_2.27 mkfifoat F
+GLIBC_2.27 mkostemp F
+GLIBC_2.27 mkostemp64 F
+GLIBC_2.27 mkostemps F
+GLIBC_2.27 mkostemps64 F
+GLIBC_2.27 mkstemp F
+GLIBC_2.27 mkstemp64 F
+GLIBC_2.27 mkstemps F
+GLIBC_2.27 mkstemps64 F
+GLIBC_2.27 mktemp F
+GLIBC_2.27 mktime F
+GLIBC_2.27 mlock F
+GLIBC_2.27 mlock2 F
+GLIBC_2.27 mlockall F
+GLIBC_2.27 mmap F
+GLIBC_2.27 mmap64 F
+GLIBC_2.27 modf F
+GLIBC_2.27 modff F
+GLIBC_2.27 modfl F
+GLIBC_2.27 moncontrol F
+GLIBC_2.27 monstartup F
+GLIBC_2.27 mount F
+GLIBC_2.27 mprobe F
+GLIBC_2.27 mprotect F
+GLIBC_2.27 mrand48 F
+GLIBC_2.27 mrand48_r F
+GLIBC_2.27 mremap F
+GLIBC_2.27 msgctl F
+GLIBC_2.27 msgget F
+GLIBC_2.27 msgrcv F
+GLIBC_2.27 msgsnd F
+GLIBC_2.27 msync F
+GLIBC_2.27 mtrace F
+GLIBC_2.27 munlock F
+GLIBC_2.27 munlockall F
+GLIBC_2.27 munmap F
+GLIBC_2.27 muntrace F
+GLIBC_2.27 name_to_handle_at F
+GLIBC_2.27 nanosleep F
+GLIBC_2.27 netname2host F
+GLIBC_2.27 netname2user F
+GLIBC_2.27 newlocale F
+GLIBC_2.27 nfsservctl F
+GLIBC_2.27 nftw F
+GLIBC_2.27 nftw64 F
+GLIBC_2.27 ngettext F
+GLIBC_2.27 nice F
+GLIBC_2.27 nl_langinfo F
+GLIBC_2.27 nl_langinfo_l F
+GLIBC_2.27 nrand48 F
+GLIBC_2.27 nrand48_r F
+GLIBC_2.27 ntohl F
+GLIBC_2.27 ntohs F
+GLIBC_2.27 ntp_adjtime F
+GLIBC_2.27 ntp_gettime F
+GLIBC_2.27 ntp_gettimex F
+GLIBC_2.27 obstack_alloc_failed_handler D 0x8
+GLIBC_2.27 obstack_exit_failure D 0x4
+GLIBC_2.27 obstack_free F
+GLIBC_2.27 obstack_printf F
+GLIBC_2.27 obstack_vprintf F
+GLIBC_2.27 on_exit F
+GLIBC_2.27 open F
+GLIBC_2.27 open64 F
+GLIBC_2.27 open_by_handle_at F
+GLIBC_2.27 open_memstream F
+GLIBC_2.27 open_wmemstream F
+GLIBC_2.27 openat F
+GLIBC_2.27 openat64 F
+GLIBC_2.27 opendir F
+GLIBC_2.27 openlog F
+GLIBC_2.27 optarg D 0x8
+GLIBC_2.27 opterr D 0x4
+GLIBC_2.27 optind D 0x4
+GLIBC_2.27 optopt D 0x4
+GLIBC_2.27 parse_printf_format F
+GLIBC_2.27 passwd2des F
+GLIBC_2.27 pathconf F
+GLIBC_2.27 pause F
+GLIBC_2.27 pclose F
+GLIBC_2.27 perror F
+GLIBC_2.27 personality F
+GLIBC_2.27 pipe F
+GLIBC_2.27 pipe2 F
+GLIBC_2.27 pivot_root F
+GLIBC_2.27 pkey_alloc F
+GLIBC_2.27 pkey_free F
+GLIBC_2.27 pkey_get F
+GLIBC_2.27 pkey_mprotect F
+GLIBC_2.27 pkey_set F
+GLIBC_2.27 pmap_getmaps F
+GLIBC_2.27 pmap_getport F
+GLIBC_2.27 pmap_rmtcall F
+GLIBC_2.27 pmap_set F
+GLIBC_2.27 pmap_unset F
+GLIBC_2.27 poll F
+GLIBC_2.27 popen F
+GLIBC_2.27 posix_fadvise F
+GLIBC_2.27 posix_fadvise64 F
+GLIBC_2.27 posix_fallocate F
+GLIBC_2.27 posix_fallocate64 F
+GLIBC_2.27 posix_madvise F
+GLIBC_2.27 posix_memalign F
+GLIBC_2.27 posix_openpt F
+GLIBC_2.27 posix_spawn F
+GLIBC_2.27 posix_spawn_file_actions_addclose F
+GLIBC_2.27 posix_spawn_file_actions_adddup2 F
+GLIBC_2.27 posix_spawn_file_actions_addopen F
+GLIBC_2.27 posix_spawn_file_actions_destroy F
+GLIBC_2.27 posix_spawn_file_actions_init F
+GLIBC_2.27 posix_spawnattr_destroy F
+GLIBC_2.27 posix_spawnattr_getflags F
+GLIBC_2.27 posix_spawnattr_getpgroup F
+GLIBC_2.27 posix_spawnattr_getschedparam F
+GLIBC_2.27 posix_spawnattr_getschedpolicy F
+GLIBC_2.27 posix_spawnattr_getsigdefault F
+GLIBC_2.27 posix_spawnattr_getsigmask F
+GLIBC_2.27 posix_spawnattr_init F
+GLIBC_2.27 posix_spawnattr_setflags F
+GLIBC_2.27 posix_spawnattr_setpgroup F
+GLIBC_2.27 posix_spawnattr_setschedparam F
+GLIBC_2.27 posix_spawnattr_setschedpolicy F
+GLIBC_2.27 posix_spawnattr_setsigdefault F
+GLIBC_2.27 posix_spawnattr_setsigmask F
+GLIBC_2.27 posix_spawnp F
+GLIBC_2.27 ppoll F
+GLIBC_2.27 prctl F
+GLIBC_2.27 pread F
+GLIBC_2.27 pread64 F
+GLIBC_2.27 preadv F
+GLIBC_2.27 preadv2 F
+GLIBC_2.27 preadv64 F
+GLIBC_2.27 preadv64v2 F
+GLIBC_2.27 printf F
+GLIBC_2.27 printf_size F
+GLIBC_2.27 printf_size_info F
+GLIBC_2.27 prlimit F
+GLIBC_2.27 prlimit64 F
+GLIBC_2.27 process_vm_readv F
+GLIBC_2.27 process_vm_writev F
+GLIBC_2.27 profil F
+GLIBC_2.27 program_invocation_name D 0x8
+GLIBC_2.27 program_invocation_short_name D 0x8
+GLIBC_2.27 pselect F
+GLIBC_2.27 psiginfo F
+GLIBC_2.27 psignal F
+GLIBC_2.27 pthread_attr_destroy F
+GLIBC_2.27 pthread_attr_getdetachstate F
+GLIBC_2.27 pthread_attr_getinheritsched F
+GLIBC_2.27 pthread_attr_getschedparam F
+GLIBC_2.27 pthread_attr_getschedpolicy F
+GLIBC_2.27 pthread_attr_getscope F
+GLIBC_2.27 pthread_attr_init F
+GLIBC_2.27 pthread_attr_setdetachstate F
+GLIBC_2.27 pthread_attr_setinheritsched F
+GLIBC_2.27 pthread_attr_setschedparam F
+GLIBC_2.27 pthread_attr_setschedpolicy F
+GLIBC_2.27 pthread_attr_setscope F
+GLIBC_2.27 pthread_cond_broadcast F
+GLIBC_2.27 pthread_cond_destroy F
+GLIBC_2.27 pthread_cond_init F
+GLIBC_2.27 pthread_cond_signal F
+GLIBC_2.27 pthread_cond_timedwait F
+GLIBC_2.27 pthread_cond_wait F
+GLIBC_2.27 pthread_condattr_destroy F
+GLIBC_2.27 pthread_condattr_init F
+GLIBC_2.27 pthread_equal F
+GLIBC_2.27 pthread_exit F
+GLIBC_2.27 pthread_getschedparam F
+GLIBC_2.27 pthread_mutex_destroy F
+GLIBC_2.27 pthread_mutex_init F
+GLIBC_2.27 pthread_mutex_lock F
+GLIBC_2.27 pthread_mutex_unlock F
+GLIBC_2.27 pthread_self F
+GLIBC_2.27 pthread_setcancelstate F
+GLIBC_2.27 pthread_setcanceltype F
+GLIBC_2.27 pthread_setschedparam F
+GLIBC_2.27 ptrace F
+GLIBC_2.27 ptsname F
+GLIBC_2.27 ptsname_r F
+GLIBC_2.27 putc F
+GLIBC_2.27 putc_unlocked F
+GLIBC_2.27 putchar F
+GLIBC_2.27 putchar_unlocked F
+GLIBC_2.27 putenv F
+GLIBC_2.27 putgrent F
+GLIBC_2.27 putmsg F
+GLIBC_2.27 putpmsg F
+GLIBC_2.27 putpwent F
+GLIBC_2.27 puts F
+GLIBC_2.27 putsgent F
+GLIBC_2.27 putspent F
+GLIBC_2.27 pututline F
+GLIBC_2.27 pututxline F
+GLIBC_2.27 putw F
+GLIBC_2.27 putwc F
+GLIBC_2.27 putwc_unlocked F
+GLIBC_2.27 putwchar F
+GLIBC_2.27 putwchar_unlocked F
+GLIBC_2.27 pvalloc F
+GLIBC_2.27 pwrite F
+GLIBC_2.27 pwrite64 F
+GLIBC_2.27 pwritev F
+GLIBC_2.27 pwritev2 F
+GLIBC_2.27 pwritev64 F
+GLIBC_2.27 pwritev64v2 F
+GLIBC_2.27 qecvt F
+GLIBC_2.27 qecvt_r F
+GLIBC_2.27 qfcvt F
+GLIBC_2.27 qfcvt_r F
+GLIBC_2.27 qgcvt F
+GLIBC_2.27 qsort F
+GLIBC_2.27 qsort_r F
+GLIBC_2.27 quick_exit F
+GLIBC_2.27 quotactl F
+GLIBC_2.27 raise F
+GLIBC_2.27 rand F
+GLIBC_2.27 rand_r F
+GLIBC_2.27 random F
+GLIBC_2.27 random_r F
+GLIBC_2.27 rawmemchr F
+GLIBC_2.27 rcmd F
+GLIBC_2.27 rcmd_af F
+GLIBC_2.27 re_comp F
+GLIBC_2.27 re_compile_fastmap F
+GLIBC_2.27 re_compile_pattern F
+GLIBC_2.27 re_exec F
+GLIBC_2.27 re_match F
+GLIBC_2.27 re_match_2 F
+GLIBC_2.27 re_search F
+GLIBC_2.27 re_search_2 F
+GLIBC_2.27 re_set_registers F
+GLIBC_2.27 re_set_syntax F
+GLIBC_2.27 re_syntax_options D 0x8
+GLIBC_2.27 read F
+GLIBC_2.27 readahead F
+GLIBC_2.27 readdir F
+GLIBC_2.27 readdir64 F
+GLIBC_2.27 readdir64_r F
+GLIBC_2.27 readdir_r F
+GLIBC_2.27 readlink F
+GLIBC_2.27 readlinkat F
+GLIBC_2.27 readv F
+GLIBC_2.27 realloc F
+GLIBC_2.27 reallocarray F
+GLIBC_2.27 realpath F
+GLIBC_2.27 reboot F
+GLIBC_2.27 recv F
+GLIBC_2.27 recvfrom F
+GLIBC_2.27 recvmmsg F
+GLIBC_2.27 recvmsg F
+GLIBC_2.27 regcomp F
+GLIBC_2.27 regerror F
+GLIBC_2.27 regexec F
+GLIBC_2.27 regfree F
+GLIBC_2.27 register_printf_function F
+GLIBC_2.27 register_printf_modifier F
+GLIBC_2.27 register_printf_specifier F
+GLIBC_2.27 register_printf_type F
+GLIBC_2.27 registerrpc F
+GLIBC_2.27 remap_file_pages F
+GLIBC_2.27 remove F
+GLIBC_2.27 removexattr F
+GLIBC_2.27 remque F
+GLIBC_2.27 rename F
+GLIBC_2.27 renameat F
+GLIBC_2.27 revoke F
+GLIBC_2.27 rewind F
+GLIBC_2.27 rewinddir F
+GLIBC_2.27 rexec F
+GLIBC_2.27 rexec_af F
+GLIBC_2.27 rexecoptions D 0x4
+GLIBC_2.27 rindex F
+GLIBC_2.27 rmdir F
+GLIBC_2.27 rpc_createerr D 0x20
+GLIBC_2.27 rpmatch F
+GLIBC_2.27 rresvport F
+GLIBC_2.27 rresvport_af F
+GLIBC_2.27 rtime F
+GLIBC_2.27 ruserok F
+GLIBC_2.27 ruserok_af F
+GLIBC_2.27 ruserpass F
+GLIBC_2.27 sbrk F
+GLIBC_2.27 scalbn F
+GLIBC_2.27 scalbnf F
+GLIBC_2.27 scalbnl F
+GLIBC_2.27 scandir F
+GLIBC_2.27 scandir64 F
+GLIBC_2.27 scandirat F
+GLIBC_2.27 scandirat64 F
+GLIBC_2.27 scanf F
+GLIBC_2.27 sched_get_priority_max F
+GLIBC_2.27 sched_get_priority_min F
+GLIBC_2.27 sched_getaffinity F
+GLIBC_2.27 sched_getcpu F
+GLIBC_2.27 sched_getparam F
+GLIBC_2.27 sched_getscheduler F
+GLIBC_2.27 sched_rr_get_interval F
+GLIBC_2.27 sched_setaffinity F
+GLIBC_2.27 sched_setparam F
+GLIBC_2.27 sched_setscheduler F
+GLIBC_2.27 sched_yield F
+GLIBC_2.27 secure_getenv F
+GLIBC_2.27 seed48 F
+GLIBC_2.27 seed48_r F
+GLIBC_2.27 seekdir F
+GLIBC_2.27 select F
+GLIBC_2.27 semctl F
+GLIBC_2.27 semget F
+GLIBC_2.27 semop F
+GLIBC_2.27 semtimedop F
+GLIBC_2.27 send F
+GLIBC_2.27 sendfile F
+GLIBC_2.27 sendfile64 F
+GLIBC_2.27 sendmmsg F
+GLIBC_2.27 sendmsg F
+GLIBC_2.27 sendto F
+GLIBC_2.27 setaliasent F
+GLIBC_2.27 setbuf F
+GLIBC_2.27 setbuffer F
+GLIBC_2.27 setcontext F
+GLIBC_2.27 setdomainname F
+GLIBC_2.27 setegid F
+GLIBC_2.27 setenv F
+GLIBC_2.27 seteuid F
+GLIBC_2.27 setfsent F
+GLIBC_2.27 setfsgid F
+GLIBC_2.27 setfsuid F
+GLIBC_2.27 setgid F
+GLIBC_2.27 setgrent F
+GLIBC_2.27 setgroups F
+GLIBC_2.27 sethostent F
+GLIBC_2.27 sethostid F
+GLIBC_2.27 sethostname F
+GLIBC_2.27 setipv4sourcefilter F
+GLIBC_2.27 setitimer F
+GLIBC_2.27 setjmp F
+GLIBC_2.27 setlinebuf F
+GLIBC_2.27 setlocale F
+GLIBC_2.27 setlogin F
+GLIBC_2.27 setlogmask F
+GLIBC_2.27 setmntent F
+GLIBC_2.27 setnetent F
+GLIBC_2.27 setnetgrent F
+GLIBC_2.27 setns F
+GLIBC_2.27 setpgid F
+GLIBC_2.27 setpgrp F
+GLIBC_2.27 setpriority F
+GLIBC_2.27 setprotoent F
+GLIBC_2.27 setpwent F
+GLIBC_2.27 setregid F
+GLIBC_2.27 setresgid F
+GLIBC_2.27 setresuid F
+GLIBC_2.27 setreuid F
+GLIBC_2.27 setrlimit F
+GLIBC_2.27 setrlimit64 F
+GLIBC_2.27 setrpcent F
+GLIBC_2.27 setservent F
+GLIBC_2.27 setsgent F
+GLIBC_2.27 setsid F
+GLIBC_2.27 setsockopt F
+GLIBC_2.27 setsourcefilter F
+GLIBC_2.27 setspent F
+GLIBC_2.27 setstate F
+GLIBC_2.27 setstate_r F
+GLIBC_2.27 settimeofday F
+GLIBC_2.27 setttyent F
+GLIBC_2.27 setuid F
+GLIBC_2.27 setusershell F
+GLIBC_2.27 setutent F
+GLIBC_2.27 setutxent F
+GLIBC_2.27 setvbuf F
+GLIBC_2.27 setxattr F
+GLIBC_2.27 sgetsgent F
+GLIBC_2.27 sgetsgent_r F
+GLIBC_2.27 sgetspent F
+GLIBC_2.27 sgetspent_r F
+GLIBC_2.27 shmat F
+GLIBC_2.27 shmctl F
+GLIBC_2.27 shmdt F
+GLIBC_2.27 shmget F
+GLIBC_2.27 shutdown F
+GLIBC_2.27 sigaction F
+GLIBC_2.27 sigaddset F
+GLIBC_2.27 sigaltstack F
+GLIBC_2.27 sigandset F
+GLIBC_2.27 sigblock F
+GLIBC_2.27 sigdelset F
+GLIBC_2.27 sigemptyset F
+GLIBC_2.27 sigfillset F
+GLIBC_2.27 siggetmask F
+GLIBC_2.27 sighold F
+GLIBC_2.27 sigignore F
+GLIBC_2.27 siginterrupt F
+GLIBC_2.27 sigisemptyset F
+GLIBC_2.27 sigismember F
+GLIBC_2.27 siglongjmp F
+GLIBC_2.27 signal F
+GLIBC_2.27 signalfd F
+GLIBC_2.27 sigorset F
+GLIBC_2.27 sigpause F
+GLIBC_2.27 sigpending F
+GLIBC_2.27 sigprocmask F
+GLIBC_2.27 sigqueue F
+GLIBC_2.27 sigrelse F
+GLIBC_2.27 sigreturn F
+GLIBC_2.27 sigset F
+GLIBC_2.27 sigsetmask F
+GLIBC_2.27 sigstack F
+GLIBC_2.27 sigsuspend F
+GLIBC_2.27 sigtimedwait F
+GLIBC_2.27 sigwait F
+GLIBC_2.27 sigwaitinfo F
+GLIBC_2.27 sleep F
+GLIBC_2.27 snprintf F
+GLIBC_2.27 sockatmark F
+GLIBC_2.27 socket F
+GLIBC_2.27 socketpair F
+GLIBC_2.27 splice F
+GLIBC_2.27 sprintf F
+GLIBC_2.27 sprofil F
+GLIBC_2.27 srand F
+GLIBC_2.27 srand48 F
+GLIBC_2.27 srand48_r F
+GLIBC_2.27 srandom F
+GLIBC_2.27 srandom_r F
+GLIBC_2.27 sscanf F
+GLIBC_2.27 ssignal F
+GLIBC_2.27 sstk F
+GLIBC_2.27 statfs F
+GLIBC_2.27 statfs64 F
+GLIBC_2.27 statvfs F
+GLIBC_2.27 statvfs64 F
+GLIBC_2.27 stderr D 0x8
+GLIBC_2.27 stdin D 0x8
+GLIBC_2.27 stdout D 0x8
+GLIBC_2.27 stime F
+GLIBC_2.27 stpcpy F
+GLIBC_2.27 stpncpy F
+GLIBC_2.27 strcasecmp F
+GLIBC_2.27 strcasecmp_l F
+GLIBC_2.27 strcasestr F
+GLIBC_2.27 strcat F
+GLIBC_2.27 strchr F
+GLIBC_2.27 strchrnul F
+GLIBC_2.27 strcmp F
+GLIBC_2.27 strcoll F
+GLIBC_2.27 strcoll_l F
+GLIBC_2.27 strcpy F
+GLIBC_2.27 strcspn F
+GLIBC_2.27 strdup F
+GLIBC_2.27 strerror F
+GLIBC_2.27 strerror_l F
+GLIBC_2.27 strerror_r F
+GLIBC_2.27 strfmon F
+GLIBC_2.27 strfmon_l F
+GLIBC_2.27 strfromd F
+GLIBC_2.27 strfromf F
+GLIBC_2.27 strfromf128 F
+GLIBC_2.27 strfromf32 F
+GLIBC_2.27 strfromf32x F
+GLIBC_2.27 strfromf64 F
+GLIBC_2.27 strfromf64x F
+GLIBC_2.27 strfroml F
+GLIBC_2.27 strfry F
+GLIBC_2.27 strftime F
+GLIBC_2.27 strftime_l F
+GLIBC_2.27 strlen F
+GLIBC_2.27 strncasecmp F
+GLIBC_2.27 strncasecmp_l F
+GLIBC_2.27 strncat F
+GLIBC_2.27 strncmp F
+GLIBC_2.27 strncpy F
+GLIBC_2.27 strndup F
+GLIBC_2.27 strnlen F
+GLIBC_2.27 strpbrk F
+GLIBC_2.27 strptime F
+GLIBC_2.27 strptime_l F
+GLIBC_2.27 strrchr F
+GLIBC_2.27 strsep F
+GLIBC_2.27 strsignal F
+GLIBC_2.27 strspn F
+GLIBC_2.27 strstr F
+GLIBC_2.27 strtod F
+GLIBC_2.27 strtod_l F
+GLIBC_2.27 strtof F
+GLIBC_2.27 strtof128 F
+GLIBC_2.27 strtof128_l F
+GLIBC_2.27 strtof32 F
+GLIBC_2.27 strtof32_l F
+GLIBC_2.27 strtof32x F
+GLIBC_2.27 strtof32x_l F
+GLIBC_2.27 strtof64 F
+GLIBC_2.27 strtof64_l F
+GLIBC_2.27 strtof64x F
+GLIBC_2.27 strtof64x_l F
+GLIBC_2.27 strtof_l F
+GLIBC_2.27 strtoimax F
+GLIBC_2.27 strtok F
+GLIBC_2.27 strtok_r F
+GLIBC_2.27 strtol F
+GLIBC_2.27 strtol_l F
+GLIBC_2.27 strtold F
+GLIBC_2.27 strtold_l F
+GLIBC_2.27 strtoll F
+GLIBC_2.27 strtoll_l F
+GLIBC_2.27 strtoq F
+GLIBC_2.27 strtoul F
+GLIBC_2.27 strtoul_l F
+GLIBC_2.27 strtoull F
+GLIBC_2.27 strtoull_l F
+GLIBC_2.27 strtoumax F
+GLIBC_2.27 strtouq F
+GLIBC_2.27 strverscmp F
+GLIBC_2.27 strxfrm F
+GLIBC_2.27 strxfrm_l F
+GLIBC_2.27 stty F
+GLIBC_2.27 svc_exit F
+GLIBC_2.27 svc_fdset D 0x80
+GLIBC_2.27 svc_getreq F
+GLIBC_2.27 svc_getreq_common F
+GLIBC_2.27 svc_getreq_poll F
+GLIBC_2.27 svc_getreqset F
+GLIBC_2.27 svc_max_pollfd D 0x4
+GLIBC_2.27 svc_pollfd D 0x8
+GLIBC_2.27 svc_register F
+GLIBC_2.27 svc_run F
+GLIBC_2.27 svc_sendreply F
+GLIBC_2.27 svc_unregister F
+GLIBC_2.27 svcauthdes_stats D 0x18
+GLIBC_2.27 svcerr_auth F
+GLIBC_2.27 svcerr_decode F
+GLIBC_2.27 svcerr_noproc F
+GLIBC_2.27 svcerr_noprog F
+GLIBC_2.27 svcerr_progvers F
+GLIBC_2.27 svcerr_systemerr F
+GLIBC_2.27 svcerr_weakauth F
+GLIBC_2.27 svcfd_create F
+GLIBC_2.27 svcraw_create F
+GLIBC_2.27 svctcp_create F
+GLIBC_2.27 svcudp_bufcreate F
+GLIBC_2.27 svcudp_create F
+GLIBC_2.27 svcudp_enablecache F
+GLIBC_2.27 svcunix_create F
+GLIBC_2.27 svcunixfd_create F
+GLIBC_2.27 swab F
+GLIBC_2.27 swapcontext F
+GLIBC_2.27 swapoff F
+GLIBC_2.27 swapon F
+GLIBC_2.27 swprintf F
+GLIBC_2.27 swscanf F
+GLIBC_2.27 symlink F
+GLIBC_2.27 symlinkat F
+GLIBC_2.27 sync F
+GLIBC_2.27 sync_file_range F
+GLIBC_2.27 syncfs F
+GLIBC_2.27 sys_errlist D 0x2370
+GLIBC_2.27 sys_nerr D 0x4
+GLIBC_2.27 sys_sigabbrev D 0x400
+GLIBC_2.27 sys_siglist D 0x400
+GLIBC_2.27 syscall F
+GLIBC_2.27 sysconf F
+GLIBC_2.27 sysctl F
+GLIBC_2.27 sysinfo F
+GLIBC_2.27 syslog F
+GLIBC_2.27 system F
+GLIBC_2.27 sysv_signal F
+GLIBC_2.27 tcdrain F
+GLIBC_2.27 tcflow F
+GLIBC_2.27 tcflush F
+GLIBC_2.27 tcgetattr F
+GLIBC_2.27 tcgetpgrp F
+GLIBC_2.27 tcgetsid F
+GLIBC_2.27 tcsendbreak F
+GLIBC_2.27 tcsetattr F
+GLIBC_2.27 tcsetpgrp F
+GLIBC_2.27 tdelete F
+GLIBC_2.27 tdestroy F
+GLIBC_2.27 tee F
+GLIBC_2.27 telldir F
+GLIBC_2.27 tempnam F
+GLIBC_2.27 textdomain F
+GLIBC_2.27 tfind F
+GLIBC_2.27 time F
+GLIBC_2.27 timegm F
+GLIBC_2.27 timelocal F
+GLIBC_2.27 timerfd_create F
+GLIBC_2.27 timerfd_gettime F
+GLIBC_2.27 timerfd_settime F
+GLIBC_2.27 times F
+GLIBC_2.27 timespec_get F
+GLIBC_2.27 timezone D 0x8
+GLIBC_2.27 tmpfile F
+GLIBC_2.27 tmpfile64 F
+GLIBC_2.27 tmpnam F
+GLIBC_2.27 tmpnam_r F
+GLIBC_2.27 toascii F
+GLIBC_2.27 tolower F
+GLIBC_2.27 tolower_l F
+GLIBC_2.27 toupper F
+GLIBC_2.27 toupper_l F
+GLIBC_2.27 towctrans F
+GLIBC_2.27 towctrans_l F
+GLIBC_2.27 towlower F
+GLIBC_2.27 towlower_l F
+GLIBC_2.27 towupper F
+GLIBC_2.27 towupper_l F
+GLIBC_2.27 tr_break F
+GLIBC_2.27 truncate F
+GLIBC_2.27 truncate64 F
+GLIBC_2.27 tsearch F
+GLIBC_2.27 ttyname F
+GLIBC_2.27 ttyname_r F
+GLIBC_2.27 ttyslot F
+GLIBC_2.27 twalk F
+GLIBC_2.27 tzname D 0x10
+GLIBC_2.27 tzset F
+GLIBC_2.27 ualarm F
+GLIBC_2.27 ulckpwdf F
+GLIBC_2.27 ulimit F
+GLIBC_2.27 umask F
+GLIBC_2.27 umount F
+GLIBC_2.27 umount2 F
+GLIBC_2.27 uname F
+GLIBC_2.27 ungetc F
+GLIBC_2.27 ungetwc F
+GLIBC_2.27 unlink F
+GLIBC_2.27 unlinkat F
+GLIBC_2.27 unlockpt F
+GLIBC_2.27 unsetenv F
+GLIBC_2.27 unshare F
+GLIBC_2.27 updwtmp F
+GLIBC_2.27 updwtmpx F
+GLIBC_2.27 uselocale F
+GLIBC_2.27 user2netname F
+GLIBC_2.27 usleep F
+GLIBC_2.27 ustat F
+GLIBC_2.27 utime F
+GLIBC_2.27 utimensat F
+GLIBC_2.27 utimes F
+GLIBC_2.27 utmpname F
+GLIBC_2.27 utmpxname F
+GLIBC_2.27 valloc F
+GLIBC_2.27 vasprintf F
+GLIBC_2.27 vdprintf F
+GLIBC_2.27 verr F
+GLIBC_2.27 verrx F
+GLIBC_2.27 versionsort F
+GLIBC_2.27 versionsort64 F
+GLIBC_2.27 vfork F
+GLIBC_2.27 vfprintf F
+GLIBC_2.27 vfscanf F
+GLIBC_2.27 vfwprintf F
+GLIBC_2.27 vfwscanf F
+GLIBC_2.27 vhangup F
+GLIBC_2.27 vlimit F
+GLIBC_2.27 vmsplice F
+GLIBC_2.27 vprintf F
+GLIBC_2.27 vscanf F
+GLIBC_2.27 vsnprintf F
+GLIBC_2.27 vsprintf F
+GLIBC_2.27 vsscanf F
+GLIBC_2.27 vswprintf F
+GLIBC_2.27 vswscanf F
+GLIBC_2.27 vsyslog F
+GLIBC_2.27 vtimes F
+GLIBC_2.27 vwarn F
+GLIBC_2.27 vwarnx F
+GLIBC_2.27 vwprintf F
+GLIBC_2.27 vwscanf F
+GLIBC_2.27 wait F
+GLIBC_2.27 wait3 F
+GLIBC_2.27 wait4 F
+GLIBC_2.27 waitid F
+GLIBC_2.27 waitpid F
+GLIBC_2.27 warn F
+GLIBC_2.27 warnx F
+GLIBC_2.27 wcpcpy F
+GLIBC_2.27 wcpncpy F
+GLIBC_2.27 wcrtomb F
+GLIBC_2.27 wcscasecmp F
+GLIBC_2.27 wcscasecmp_l F
+GLIBC_2.27 wcscat F
+GLIBC_2.27 wcschr F
+GLIBC_2.27 wcschrnul F
+GLIBC_2.27 wcscmp F
+GLIBC_2.27 wcscoll F
+GLIBC_2.27 wcscoll_l F
+GLIBC_2.27 wcscpy F
+GLIBC_2.27 wcscspn F
+GLIBC_2.27 wcsdup F
+GLIBC_2.27 wcsftime F
+GLIBC_2.27 wcsftime_l F
+GLIBC_2.27 wcslen F
+GLIBC_2.27 wcsncasecmp F
+GLIBC_2.27 wcsncasecmp_l F
+GLIBC_2.27 wcsncat F
+GLIBC_2.27 wcsncmp F
+GLIBC_2.27 wcsncpy F
+GLIBC_2.27 wcsnlen F
+GLIBC_2.27 wcsnrtombs F
+GLIBC_2.27 wcspbrk F
+GLIBC_2.27 wcsrchr F
+GLIBC_2.27 wcsrtombs F
+GLIBC_2.27 wcsspn F
+GLIBC_2.27 wcsstr F
+GLIBC_2.27 wcstod F
+GLIBC_2.27 wcstod_l F
+GLIBC_2.27 wcstof F
+GLIBC_2.27 wcstof128 F
+GLIBC_2.27 wcstof128_l F
+GLIBC_2.27 wcstof32 F
+GLIBC_2.27 wcstof32_l F
+GLIBC_2.27 wcstof32x F
+GLIBC_2.27 wcstof32x_l F
+GLIBC_2.27 wcstof64 F
+GLIBC_2.27 wcstof64_l F
+GLIBC_2.27 wcstof64x F
+GLIBC_2.27 wcstof64x_l F
+GLIBC_2.27 wcstof_l F
+GLIBC_2.27 wcstoimax F
+GLIBC_2.27 wcstok F
+GLIBC_2.27 wcstol F
+GLIBC_2.27 wcstol_l F
+GLIBC_2.27 wcstold F
+GLIBC_2.27 wcstold_l F
+GLIBC_2.27 wcstoll F
+GLIBC_2.27 wcstoll_l F
+GLIBC_2.27 wcstombs F
+GLIBC_2.27 wcstoq F
+GLIBC_2.27 wcstoul F
+GLIBC_2.27 wcstoul_l F
+GLIBC_2.27 wcstoull F
+GLIBC_2.27 wcstoull_l F
+GLIBC_2.27 wcstoumax F
+GLIBC_2.27 wcstouq F
+GLIBC_2.27 wcswcs F
+GLIBC_2.27 wcswidth F
+GLIBC_2.27 wcsxfrm F
+GLIBC_2.27 wcsxfrm_l F
+GLIBC_2.27 wctob F
+GLIBC_2.27 wctomb F
+GLIBC_2.27 wctrans F
+GLIBC_2.27 wctrans_l F
+GLIBC_2.27 wctype F
+GLIBC_2.27 wctype_l F
+GLIBC_2.27 wcwidth F
+GLIBC_2.27 wmemchr F
+GLIBC_2.27 wmemcmp F
+GLIBC_2.27 wmemcpy F
+GLIBC_2.27 wmemmove F
+GLIBC_2.27 wmempcpy F
+GLIBC_2.27 wmemset F
+GLIBC_2.27 wordexp F
+GLIBC_2.27 wordfree F
+GLIBC_2.27 wprintf F
+GLIBC_2.27 write F
+GLIBC_2.27 writev F
+GLIBC_2.27 wscanf F
+GLIBC_2.27 xdecrypt F
+GLIBC_2.27 xdr_accepted_reply F
+GLIBC_2.27 xdr_array F
+GLIBC_2.27 xdr_authdes_cred F
+GLIBC_2.27 xdr_authdes_verf F
+GLIBC_2.27 xdr_authunix_parms F
+GLIBC_2.27 xdr_bool F
+GLIBC_2.27 xdr_bytes F
+GLIBC_2.27 xdr_callhdr F
+GLIBC_2.27 xdr_callmsg F
+GLIBC_2.27 xdr_char F
+GLIBC_2.27 xdr_cryptkeyarg F
+GLIBC_2.27 xdr_cryptkeyarg2 F
+GLIBC_2.27 xdr_cryptkeyres F
+GLIBC_2.27 xdr_des_block F
+GLIBC_2.27 xdr_double F
+GLIBC_2.27 xdr_enum F
+GLIBC_2.27 xdr_float F
+GLIBC_2.27 xdr_free F
+GLIBC_2.27 xdr_getcredres F
+GLIBC_2.27 xdr_hyper F
+GLIBC_2.27 xdr_int F
+GLIBC_2.27 xdr_int16_t F
+GLIBC_2.27 xdr_int32_t F
+GLIBC_2.27 xdr_int64_t F
+GLIBC_2.27 xdr_int8_t F
+GLIBC_2.27 xdr_key_netstarg F
+GLIBC_2.27 xdr_key_netstres F
+GLIBC_2.27 xdr_keybuf F
+GLIBC_2.27 xdr_keystatus F
+GLIBC_2.27 xdr_long F
+GLIBC_2.27 xdr_longlong_t F
+GLIBC_2.27 xdr_netnamestr F
+GLIBC_2.27 xdr_netobj F
+GLIBC_2.27 xdr_opaque F
+GLIBC_2.27 xdr_opaque_auth F
+GLIBC_2.27 xdr_pmap F
+GLIBC_2.27 xdr_pmaplist F
+GLIBC_2.27 xdr_pointer F
+GLIBC_2.27 xdr_quad_t F
+GLIBC_2.27 xdr_reference F
+GLIBC_2.27 xdr_rejected_reply F
+GLIBC_2.27 xdr_replymsg F
+GLIBC_2.27 xdr_rmtcall_args F
+GLIBC_2.27 xdr_rmtcallres F
+GLIBC_2.27 xdr_short F
+GLIBC_2.27 xdr_sizeof F
+GLIBC_2.27 xdr_string F
+GLIBC_2.27 xdr_u_char F
+GLIBC_2.27 xdr_u_hyper F
+GLIBC_2.27 xdr_u_int F
+GLIBC_2.27 xdr_u_long F
+GLIBC_2.27 xdr_u_longlong_t F
+GLIBC_2.27 xdr_u_quad_t F
+GLIBC_2.27 xdr_u_short F
+GLIBC_2.27 xdr_uint16_t F
+GLIBC_2.27 xdr_uint32_t F
+GLIBC_2.27 xdr_uint64_t F
+GLIBC_2.27 xdr_uint8_t F
+GLIBC_2.27 xdr_union F
+GLIBC_2.27 xdr_unixcred F
+GLIBC_2.27 xdr_vector F
+GLIBC_2.27 xdr_void F
+GLIBC_2.27 xdr_wrapstring F
+GLIBC_2.27 xdrmem_create F
+GLIBC_2.27 xdrrec_create F
+GLIBC_2.27 xdrrec_endofrecord F
+GLIBC_2.27 xdrrec_eof F
+GLIBC_2.27 xdrrec_skiprecord F
+GLIBC_2.27 xdrstdio_create F
+GLIBC_2.27 xencrypt F
+GLIBC_2.27 xprt_register F
+GLIBC_2.27 xprt_unregister F
+GLIBC_2.28 fcntl64 F
+GLIBC_2.28 renameat2 F
+GLIBC_2.28 statx F
+GLIBC_2.28 thrd_current F
+GLIBC_2.28 thrd_equal F
+GLIBC_2.28 thrd_sleep F
+GLIBC_2.28 thrd_yield F
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/libcrypt.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/libcrypt.abilist
new file mode 100644
index 00000000..9484dca7
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libcrypt.abilist
@@ -0,0 +1,7 @@
+GLIBC_2.27 crypt F
+GLIBC_2.27 crypt_r F
+GLIBC_2.27 encrypt F
+GLIBC_2.27 encrypt_r F
+GLIBC_2.27 fcrypt F
+GLIBC_2.27 setkey F
+GLIBC_2.27 setkey_r F
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/libdl.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/libdl.abilist
new file mode 100644
index 00000000..16adcae5
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libdl.abilist
@@ -0,0 +1,9 @@
+GLIBC_2.27 dladdr F
+GLIBC_2.27 dladdr1 F
+GLIBC_2.27 dlclose F
+GLIBC_2.27 dlerror F
+GLIBC_2.27 dlinfo F
+GLIBC_2.27 dlmopen F
+GLIBC_2.27 dlopen F
+GLIBC_2.27 dlsym F
+GLIBC_2.27 dlvsym F
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/libm.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/libm.abilist
new file mode 100644
index 00000000..361fce20
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libm.abilist
@@ -0,0 +1,1021 @@
+GLIBC_2.27 __acos_finite F
+GLIBC_2.27 __acosf_finite F
+GLIBC_2.27 __acosh_finite F
+GLIBC_2.27 __acoshf_finite F
+GLIBC_2.27 __acoshl_finite F
+GLIBC_2.27 __acosl_finite F
+GLIBC_2.27 __asin_finite F
+GLIBC_2.27 __asinf_finite F
+GLIBC_2.27 __asinl_finite F
+GLIBC_2.27 __atan2_finite F
+GLIBC_2.27 __atan2f_finite F
+GLIBC_2.27 __atan2l_finite F
+GLIBC_2.27 __atanh_finite F
+GLIBC_2.27 __atanhf_finite F
+GLIBC_2.27 __atanhl_finite F
+GLIBC_2.27 __clog10 F
+GLIBC_2.27 __clog10f F
+GLIBC_2.27 __clog10l F
+GLIBC_2.27 __cosh_finite F
+GLIBC_2.27 __coshf_finite F
+GLIBC_2.27 __coshl_finite F
+GLIBC_2.27 __exp10_finite F
+GLIBC_2.27 __exp10f_finite F
+GLIBC_2.27 __exp10l_finite F
+GLIBC_2.27 __exp2_finite F
+GLIBC_2.27 __exp2f_finite F
+GLIBC_2.27 __exp2l_finite F
+GLIBC_2.27 __exp_finite F
+GLIBC_2.27 __expf_finite F
+GLIBC_2.27 __expl_finite F
+GLIBC_2.27 __finite F
+GLIBC_2.27 __finitef F
+GLIBC_2.27 __finitel F
+GLIBC_2.27 __fmod_finite F
+GLIBC_2.27 __fmodf_finite F
+GLIBC_2.27 __fmodl_finite F
+GLIBC_2.27 __fpclassify F
+GLIBC_2.27 __fpclassifyf F
+GLIBC_2.27 __fpclassifyl F
+GLIBC_2.27 __gamma_r_finite F
+GLIBC_2.27 __gammaf_r_finite F
+GLIBC_2.27 __gammal_r_finite F
+GLIBC_2.27 __hypot_finite F
+GLIBC_2.27 __hypotf_finite F
+GLIBC_2.27 __hypotl_finite F
+GLIBC_2.27 __iseqsig F
+GLIBC_2.27 __iseqsigf F
+GLIBC_2.27 __iseqsigl F
+GLIBC_2.27 __issignaling F
+GLIBC_2.27 __issignalingf F
+GLIBC_2.27 __issignalingl F
+GLIBC_2.27 __j0_finite F
+GLIBC_2.27 __j0f_finite F
+GLIBC_2.27 __j0l_finite F
+GLIBC_2.27 __j1_finite F
+GLIBC_2.27 __j1f_finite F
+GLIBC_2.27 __j1l_finite F
+GLIBC_2.27 __jn_finite F
+GLIBC_2.27 __jnf_finite F
+GLIBC_2.27 __jnl_finite F
+GLIBC_2.27 __lgamma_r_finite F
+GLIBC_2.27 __lgammaf_r_finite F
+GLIBC_2.27 __lgammal_r_finite F
+GLIBC_2.27 __log10_finite F
+GLIBC_2.27 __log10f_finite F
+GLIBC_2.27 __log10l_finite F
+GLIBC_2.27 __log2_finite F
+GLIBC_2.27 __log2f_finite F
+GLIBC_2.27 __log2l_finite F
+GLIBC_2.27 __log_finite F
+GLIBC_2.27 __logf_finite F
+GLIBC_2.27 __logl_finite F
+GLIBC_2.27 __pow_finite F
+GLIBC_2.27 __powf_finite F
+GLIBC_2.27 __powl_finite F
+GLIBC_2.27 __remainder_finite F
+GLIBC_2.27 __remainderf_finite F
+GLIBC_2.27 __remainderl_finite F
+GLIBC_2.27 __scalb_finite F
+GLIBC_2.27 __scalbf_finite F
+GLIBC_2.27 __scalbl_finite F
+GLIBC_2.27 __signbit F
+GLIBC_2.27 __signbitf F
+GLIBC_2.27 __signbitl F
+GLIBC_2.27 __signgam D 0x4
+GLIBC_2.27 __sinh_finite F
+GLIBC_2.27 __sinhf_finite F
+GLIBC_2.27 __sinhl_finite F
+GLIBC_2.27 __sqrt_finite F
+GLIBC_2.27 __sqrtf_finite F
+GLIBC_2.27 __sqrtl_finite F
+GLIBC_2.27 __y0_finite F
+GLIBC_2.27 __y0f_finite F
+GLIBC_2.27 __y0l_finite F
+GLIBC_2.27 __y1_finite F
+GLIBC_2.27 __y1f_finite F
+GLIBC_2.27 __y1l_finite F
+GLIBC_2.27 __yn_finite F
+GLIBC_2.27 __ynf_finite F
+GLIBC_2.27 __ynl_finite F
+GLIBC_2.27 acos F
+GLIBC_2.27 acosf F
+GLIBC_2.27 acosf128 F
+GLIBC_2.27 acosf32 F
+GLIBC_2.27 acosf32x F
+GLIBC_2.27 acosf64 F
+GLIBC_2.27 acosf64x F
+GLIBC_2.27 acosh F
+GLIBC_2.27 acoshf F
+GLIBC_2.27 acoshf128 F
+GLIBC_2.27 acoshf32 F
+GLIBC_2.27 acoshf32x F
+GLIBC_2.27 acoshf64 F
+GLIBC_2.27 acoshf64x F
+GLIBC_2.27 acoshl F
+GLIBC_2.27 acosl F
+GLIBC_2.27 asin F
+GLIBC_2.27 asinf F
+GLIBC_2.27 asinf128 F
+GLIBC_2.27 asinf32 F
+GLIBC_2.27 asinf32x F
+GLIBC_2.27 asinf64 F
+GLIBC_2.27 asinf64x F
+GLIBC_2.27 asinh F
+GLIBC_2.27 asinhf F
+GLIBC_2.27 asinhf128 F
+GLIBC_2.27 asinhf32 F
+GLIBC_2.27 asinhf32x F
+GLIBC_2.27 asinhf64 F
+GLIBC_2.27 asinhf64x F
+GLIBC_2.27 asinhl F
+GLIBC_2.27 asinl F
+GLIBC_2.27 atan F
+GLIBC_2.27 atan2 F
+GLIBC_2.27 atan2f F
+GLIBC_2.27 atan2f128 F
+GLIBC_2.27 atan2f32 F
+GLIBC_2.27 atan2f32x F
+GLIBC_2.27 atan2f64 F
+GLIBC_2.27 atan2f64x F
+GLIBC_2.27 atan2l F
+GLIBC_2.27 atanf F
+GLIBC_2.27 atanf128 F
+GLIBC_2.27 atanf32 F
+GLIBC_2.27 atanf32x F
+GLIBC_2.27 atanf64 F
+GLIBC_2.27 atanf64x F
+GLIBC_2.27 atanh F
+GLIBC_2.27 atanhf F
+GLIBC_2.27 atanhf128 F
+GLIBC_2.27 atanhf32 F
+GLIBC_2.27 atanhf32x F
+GLIBC_2.27 atanhf64 F
+GLIBC_2.27 atanhf64x F
+GLIBC_2.27 atanhl F
+GLIBC_2.27 atanl F
+GLIBC_2.27 cabs F
+GLIBC_2.27 cabsf F
+GLIBC_2.27 cabsf128 F
+GLIBC_2.27 cabsf32 F
+GLIBC_2.27 cabsf32x F
+GLIBC_2.27 cabsf64 F
+GLIBC_2.27 cabsf64x F
+GLIBC_2.27 cabsl F
+GLIBC_2.27 cacos F
+GLIBC_2.27 cacosf F
+GLIBC_2.27 cacosf128 F
+GLIBC_2.27 cacosf32 F
+GLIBC_2.27 cacosf32x F
+GLIBC_2.27 cacosf64 F
+GLIBC_2.27 cacosf64x F
+GLIBC_2.27 cacosh F
+GLIBC_2.27 cacoshf F
+GLIBC_2.27 cacoshf128 F
+GLIBC_2.27 cacoshf32 F
+GLIBC_2.27 cacoshf32x F
+GLIBC_2.27 cacoshf64 F
+GLIBC_2.27 cacoshf64x F
+GLIBC_2.27 cacoshl F
+GLIBC_2.27 cacosl F
+GLIBC_2.27 canonicalize F
+GLIBC_2.27 canonicalizef F
+GLIBC_2.27 canonicalizef128 F
+GLIBC_2.27 canonicalizef32 F
+GLIBC_2.27 canonicalizef32x F
+GLIBC_2.27 canonicalizef64 F
+GLIBC_2.27 canonicalizef64x F
+GLIBC_2.27 canonicalizel F
+GLIBC_2.27 carg F
+GLIBC_2.27 cargf F
+GLIBC_2.27 cargf128 F
+GLIBC_2.27 cargf32 F
+GLIBC_2.27 cargf32x F
+GLIBC_2.27 cargf64 F
+GLIBC_2.27 cargf64x F
+GLIBC_2.27 cargl F
+GLIBC_2.27 casin F
+GLIBC_2.27 casinf F
+GLIBC_2.27 casinf128 F
+GLIBC_2.27 casinf32 F
+GLIBC_2.27 casinf32x F
+GLIBC_2.27 casinf64 F
+GLIBC_2.27 casinf64x F
+GLIBC_2.27 casinh F
+GLIBC_2.27 casinhf F
+GLIBC_2.27 casinhf128 F
+GLIBC_2.27 casinhf32 F
+GLIBC_2.27 casinhf32x F
+GLIBC_2.27 casinhf64 F
+GLIBC_2.27 casinhf64x F
+GLIBC_2.27 casinhl F
+GLIBC_2.27 casinl F
+GLIBC_2.27 catan F
+GLIBC_2.27 catanf F
+GLIBC_2.27 catanf128 F
+GLIBC_2.27 catanf32 F
+GLIBC_2.27 catanf32x F
+GLIBC_2.27 catanf64 F
+GLIBC_2.27 catanf64x F
+GLIBC_2.27 catanh F
+GLIBC_2.27 catanhf F
+GLIBC_2.27 catanhf128 F
+GLIBC_2.27 catanhf32 F
+GLIBC_2.27 catanhf32x F
+GLIBC_2.27 catanhf64 F
+GLIBC_2.27 catanhf64x F
+GLIBC_2.27 catanhl F
+GLIBC_2.27 catanl F
+GLIBC_2.27 cbrt F
+GLIBC_2.27 cbrtf F
+GLIBC_2.27 cbrtf128 F
+GLIBC_2.27 cbrtf32 F
+GLIBC_2.27 cbrtf32x F
+GLIBC_2.27 cbrtf64 F
+GLIBC_2.27 cbrtf64x F
+GLIBC_2.27 cbrtl F
+GLIBC_2.27 ccos F
+GLIBC_2.27 ccosf F
+GLIBC_2.27 ccosf128 F
+GLIBC_2.27 ccosf32 F
+GLIBC_2.27 ccosf32x F
+GLIBC_2.27 ccosf64 F
+GLIBC_2.27 ccosf64x F
+GLIBC_2.27 ccosh F
+GLIBC_2.27 ccoshf F
+GLIBC_2.27 ccoshf128 F
+GLIBC_2.27 ccoshf32 F
+GLIBC_2.27 ccoshf32x F
+GLIBC_2.27 ccoshf64 F
+GLIBC_2.27 ccoshf64x F
+GLIBC_2.27 ccoshl F
+GLIBC_2.27 ccosl F
+GLIBC_2.27 ceil F
+GLIBC_2.27 ceilf F
+GLIBC_2.27 ceilf128 F
+GLIBC_2.27 ceilf32 F
+GLIBC_2.27 ceilf32x F
+GLIBC_2.27 ceilf64 F
+GLIBC_2.27 ceilf64x F
+GLIBC_2.27 ceill F
+GLIBC_2.27 cexp F
+GLIBC_2.27 cexpf F
+GLIBC_2.27 cexpf128 F
+GLIBC_2.27 cexpf32 F
+GLIBC_2.27 cexpf32x F
+GLIBC_2.27 cexpf64 F
+GLIBC_2.27 cexpf64x F
+GLIBC_2.27 cexpl F
+GLIBC_2.27 cimag F
+GLIBC_2.27 cimagf F
+GLIBC_2.27 cimagf128 F
+GLIBC_2.27 cimagf32 F
+GLIBC_2.27 cimagf32x F
+GLIBC_2.27 cimagf64 F
+GLIBC_2.27 cimagf64x F
+GLIBC_2.27 cimagl F
+GLIBC_2.27 clog F
+GLIBC_2.27 clog10 F
+GLIBC_2.27 clog10f F
+GLIBC_2.27 clog10f128 F
+GLIBC_2.27 clog10f32 F
+GLIBC_2.27 clog10f32x F
+GLIBC_2.27 clog10f64 F
+GLIBC_2.27 clog10f64x F
+GLIBC_2.27 clog10l F
+GLIBC_2.27 clogf F
+GLIBC_2.27 clogf128 F
+GLIBC_2.27 clogf32 F
+GLIBC_2.27 clogf32x F
+GLIBC_2.27 clogf64 F
+GLIBC_2.27 clogf64x F
+GLIBC_2.27 clogl F
+GLIBC_2.27 conj F
+GLIBC_2.27 conjf F
+GLIBC_2.27 conjf128 F
+GLIBC_2.27 conjf32 F
+GLIBC_2.27 conjf32x F
+GLIBC_2.27 conjf64 F
+GLIBC_2.27 conjf64x F
+GLIBC_2.27 conjl F
+GLIBC_2.27 copysign F
+GLIBC_2.27 copysignf F
+GLIBC_2.27 copysignf128 F
+GLIBC_2.27 copysignf32 F
+GLIBC_2.27 copysignf32x F
+GLIBC_2.27 copysignf64 F
+GLIBC_2.27 copysignf64x F
+GLIBC_2.27 copysignl F
+GLIBC_2.27 cos F
+GLIBC_2.27 cosf F
+GLIBC_2.27 cosf128 F
+GLIBC_2.27 cosf32 F
+GLIBC_2.27 cosf32x F
+GLIBC_2.27 cosf64 F
+GLIBC_2.27 cosf64x F
+GLIBC_2.27 cosh F
+GLIBC_2.27 coshf F
+GLIBC_2.27 coshf128 F
+GLIBC_2.27 coshf32 F
+GLIBC_2.27 coshf32x F
+GLIBC_2.27 coshf64 F
+GLIBC_2.27 coshf64x F
+GLIBC_2.27 coshl F
+GLIBC_2.27 cosl F
+GLIBC_2.27 cpow F
+GLIBC_2.27 cpowf F
+GLIBC_2.27 cpowf128 F
+GLIBC_2.27 cpowf32 F
+GLIBC_2.27 cpowf32x F
+GLIBC_2.27 cpowf64 F
+GLIBC_2.27 cpowf64x F
+GLIBC_2.27 cpowl F
+GLIBC_2.27 cproj F
+GLIBC_2.27 cprojf F
+GLIBC_2.27 cprojf128 F
+GLIBC_2.27 cprojf32 F
+GLIBC_2.27 cprojf32x F
+GLIBC_2.27 cprojf64 F
+GLIBC_2.27 cprojf64x F
+GLIBC_2.27 cprojl F
+GLIBC_2.27 creal F
+GLIBC_2.27 crealf F
+GLIBC_2.27 crealf128 F
+GLIBC_2.27 crealf32 F
+GLIBC_2.27 crealf32x F
+GLIBC_2.27 crealf64 F
+GLIBC_2.27 crealf64x F
+GLIBC_2.27 creall F
+GLIBC_2.27 csin F
+GLIBC_2.27 csinf F
+GLIBC_2.27 csinf128 F
+GLIBC_2.27 csinf32 F
+GLIBC_2.27 csinf32x F
+GLIBC_2.27 csinf64 F
+GLIBC_2.27 csinf64x F
+GLIBC_2.27 csinh F
+GLIBC_2.27 csinhf F
+GLIBC_2.27 csinhf128 F
+GLIBC_2.27 csinhf32 F
+GLIBC_2.27 csinhf32x F
+GLIBC_2.27 csinhf64 F
+GLIBC_2.27 csinhf64x F
+GLIBC_2.27 csinhl F
+GLIBC_2.27 csinl F
+GLIBC_2.27 csqrt F
+GLIBC_2.27 csqrtf F
+GLIBC_2.27 csqrtf128 F
+GLIBC_2.27 csqrtf32 F
+GLIBC_2.27 csqrtf32x F
+GLIBC_2.27 csqrtf64 F
+GLIBC_2.27 csqrtf64x F
+GLIBC_2.27 csqrtl F
+GLIBC_2.27 ctan F
+GLIBC_2.27 ctanf F
+GLIBC_2.27 ctanf128 F
+GLIBC_2.27 ctanf32 F
+GLIBC_2.27 ctanf32x F
+GLIBC_2.27 ctanf64 F
+GLIBC_2.27 ctanf64x F
+GLIBC_2.27 ctanh F
+GLIBC_2.27 ctanhf F
+GLIBC_2.27 ctanhf128 F
+GLIBC_2.27 ctanhf32 F
+GLIBC_2.27 ctanhf32x F
+GLIBC_2.27 ctanhf64 F
+GLIBC_2.27 ctanhf64x F
+GLIBC_2.27 ctanhl F
+GLIBC_2.27 ctanl F
+GLIBC_2.27 drem F
+GLIBC_2.27 dremf F
+GLIBC_2.27 dreml F
+GLIBC_2.27 erf F
+GLIBC_2.27 erfc F
+GLIBC_2.27 erfcf F
+GLIBC_2.27 erfcf128 F
+GLIBC_2.27 erfcf32 F
+GLIBC_2.27 erfcf32x F
+GLIBC_2.27 erfcf64 F
+GLIBC_2.27 erfcf64x F
+GLIBC_2.27 erfcl F
+GLIBC_2.27 erff F
+GLIBC_2.27 erff128 F
+GLIBC_2.27 erff32 F
+GLIBC_2.27 erff32x F
+GLIBC_2.27 erff64 F
+GLIBC_2.27 erff64x F
+GLIBC_2.27 erfl F
+GLIBC_2.27 exp F
+GLIBC_2.27 exp10 F
+GLIBC_2.27 exp10f F
+GLIBC_2.27 exp10f128 F
+GLIBC_2.27 exp10f32 F
+GLIBC_2.27 exp10f32x F
+GLIBC_2.27 exp10f64 F
+GLIBC_2.27 exp10f64x F
+GLIBC_2.27 exp10l F
+GLIBC_2.27 exp2 F
+GLIBC_2.27 exp2f F
+GLIBC_2.27 exp2f128 F
+GLIBC_2.27 exp2f32 F
+GLIBC_2.27 exp2f32x F
+GLIBC_2.27 exp2f64 F
+GLIBC_2.27 exp2f64x F
+GLIBC_2.27 exp2l F
+GLIBC_2.27 expf F
+GLIBC_2.27 expf128 F
+GLIBC_2.27 expf32 F
+GLIBC_2.27 expf32x F
+GLIBC_2.27 expf64 F
+GLIBC_2.27 expf64x F
+GLIBC_2.27 expl F
+GLIBC_2.27 expm1 F
+GLIBC_2.27 expm1f F
+GLIBC_2.27 expm1f128 F
+GLIBC_2.27 expm1f32 F
+GLIBC_2.27 expm1f32x F
+GLIBC_2.27 expm1f64 F
+GLIBC_2.27 expm1f64x F
+GLIBC_2.27 expm1l F
+GLIBC_2.27 fabs F
+GLIBC_2.27 fabsf F
+GLIBC_2.27 fabsf128 F
+GLIBC_2.27 fabsf32 F
+GLIBC_2.27 fabsf32x F
+GLIBC_2.27 fabsf64 F
+GLIBC_2.27 fabsf64x F
+GLIBC_2.27 fabsl F
+GLIBC_2.27 fdim F
+GLIBC_2.27 fdimf F
+GLIBC_2.27 fdimf128 F
+GLIBC_2.27 fdimf32 F
+GLIBC_2.27 fdimf32x F
+GLIBC_2.27 fdimf64 F
+GLIBC_2.27 fdimf64x F
+GLIBC_2.27 fdiml F
+GLIBC_2.27 feclearexcept F
+GLIBC_2.27 fedisableexcept F
+GLIBC_2.27 feenableexcept F
+GLIBC_2.27 fegetenv F
+GLIBC_2.27 fegetexcept F
+GLIBC_2.27 fegetexceptflag F
+GLIBC_2.27 fegetmode F
+GLIBC_2.27 fegetround F
+GLIBC_2.27 feholdexcept F
+GLIBC_2.27 feraiseexcept F
+GLIBC_2.27 fesetenv F
+GLIBC_2.27 fesetexcept F
+GLIBC_2.27 fesetexceptflag F
+GLIBC_2.27 fesetmode F
+GLIBC_2.27 fesetround F
+GLIBC_2.27 fetestexcept F
+GLIBC_2.27 fetestexceptflag F
+GLIBC_2.27 feupdateenv F
+GLIBC_2.27 finite F
+GLIBC_2.27 finitef F
+GLIBC_2.27 finitel F
+GLIBC_2.27 floor F
+GLIBC_2.27 floorf F
+GLIBC_2.27 floorf128 F
+GLIBC_2.27 floorf32 F
+GLIBC_2.27 floorf32x F
+GLIBC_2.27 floorf64 F
+GLIBC_2.27 floorf64x F
+GLIBC_2.27 floorl F
+GLIBC_2.27 fma F
+GLIBC_2.27 fmaf F
+GLIBC_2.27 fmaf128 F
+GLIBC_2.27 fmaf32 F
+GLIBC_2.27 fmaf32x F
+GLIBC_2.27 fmaf64 F
+GLIBC_2.27 fmaf64x F
+GLIBC_2.27 fmal F
+GLIBC_2.27 fmax F
+GLIBC_2.27 fmaxf F
+GLIBC_2.27 fmaxf128 F
+GLIBC_2.27 fmaxf32 F
+GLIBC_2.27 fmaxf32x F
+GLIBC_2.27 fmaxf64 F
+GLIBC_2.27 fmaxf64x F
+GLIBC_2.27 fmaxl F
+GLIBC_2.27 fmaxmag F
+GLIBC_2.27 fmaxmagf F
+GLIBC_2.27 fmaxmagf128 F
+GLIBC_2.27 fmaxmagf32 F
+GLIBC_2.27 fmaxmagf32x F
+GLIBC_2.27 fmaxmagf64 F
+GLIBC_2.27 fmaxmagf64x F
+GLIBC_2.27 fmaxmagl F
+GLIBC_2.27 fmin F
+GLIBC_2.27 fminf F
+GLIBC_2.27 fminf128 F
+GLIBC_2.27 fminf32 F
+GLIBC_2.27 fminf32x F
+GLIBC_2.27 fminf64 F
+GLIBC_2.27 fminf64x F
+GLIBC_2.27 fminl F
+GLIBC_2.27 fminmag F
+GLIBC_2.27 fminmagf F
+GLIBC_2.27 fminmagf128 F
+GLIBC_2.27 fminmagf32 F
+GLIBC_2.27 fminmagf32x F
+GLIBC_2.27 fminmagf64 F
+GLIBC_2.27 fminmagf64x F
+GLIBC_2.27 fminmagl F
+GLIBC_2.27 fmod F
+GLIBC_2.27 fmodf F
+GLIBC_2.27 fmodf128 F
+GLIBC_2.27 fmodf32 F
+GLIBC_2.27 fmodf32x F
+GLIBC_2.27 fmodf64 F
+GLIBC_2.27 fmodf64x F
+GLIBC_2.27 fmodl F
+GLIBC_2.27 frexp F
+GLIBC_2.27 frexpf F
+GLIBC_2.27 frexpf128 F
+GLIBC_2.27 frexpf32 F
+GLIBC_2.27 frexpf32x F
+GLIBC_2.27 frexpf64 F
+GLIBC_2.27 frexpf64x F
+GLIBC_2.27 frexpl F
+GLIBC_2.27 fromfp F
+GLIBC_2.27 fromfpf F
+GLIBC_2.27 fromfpf128 F
+GLIBC_2.27 fromfpf32 F
+GLIBC_2.27 fromfpf32x F
+GLIBC_2.27 fromfpf64 F
+GLIBC_2.27 fromfpf64x F
+GLIBC_2.27 fromfpl F
+GLIBC_2.27 fromfpx F
+GLIBC_2.27 fromfpxf F
+GLIBC_2.27 fromfpxf128 F
+GLIBC_2.27 fromfpxf32 F
+GLIBC_2.27 fromfpxf32x F
+GLIBC_2.27 fromfpxf64 F
+GLIBC_2.27 fromfpxf64x F
+GLIBC_2.27 fromfpxl F
+GLIBC_2.27 gamma F
+GLIBC_2.27 gammaf F
+GLIBC_2.27 gammal F
+GLIBC_2.27 getpayload F
+GLIBC_2.27 getpayloadf F
+GLIBC_2.27 getpayloadf128 F
+GLIBC_2.27 getpayloadf32 F
+GLIBC_2.27 getpayloadf32x F
+GLIBC_2.27 getpayloadf64 F
+GLIBC_2.27 getpayloadf64x F
+GLIBC_2.27 getpayloadl F
+GLIBC_2.27 hypot F
+GLIBC_2.27 hypotf F
+GLIBC_2.27 hypotf128 F
+GLIBC_2.27 hypotf32 F
+GLIBC_2.27 hypotf32x F
+GLIBC_2.27 hypotf64 F
+GLIBC_2.27 hypotf64x F
+GLIBC_2.27 hypotl F
+GLIBC_2.27 ilogb F
+GLIBC_2.27 ilogbf F
+GLIBC_2.27 ilogbf128 F
+GLIBC_2.27 ilogbf32 F
+GLIBC_2.27 ilogbf32x F
+GLIBC_2.27 ilogbf64 F
+GLIBC_2.27 ilogbf64x F
+GLIBC_2.27 ilogbl F
+GLIBC_2.27 j0 F
+GLIBC_2.27 j0f F
+GLIBC_2.27 j0f128 F
+GLIBC_2.27 j0f32 F
+GLIBC_2.27 j0f32x F
+GLIBC_2.27 j0f64 F
+GLIBC_2.27 j0f64x F
+GLIBC_2.27 j0l F
+GLIBC_2.27 j1 F
+GLIBC_2.27 j1f F
+GLIBC_2.27 j1f128 F
+GLIBC_2.27 j1f32 F
+GLIBC_2.27 j1f32x F
+GLIBC_2.27 j1f64 F
+GLIBC_2.27 j1f64x F
+GLIBC_2.27 j1l F
+GLIBC_2.27 jn F
+GLIBC_2.27 jnf F
+GLIBC_2.27 jnf128 F
+GLIBC_2.27 jnf32 F
+GLIBC_2.27 jnf32x F
+GLIBC_2.27 jnf64 F
+GLIBC_2.27 jnf64x F
+GLIBC_2.27 jnl F
+GLIBC_2.27 ldexp F
+GLIBC_2.27 ldexpf F
+GLIBC_2.27 ldexpf128 F
+GLIBC_2.27 ldexpf32 F
+GLIBC_2.27 ldexpf32x F
+GLIBC_2.27 ldexpf64 F
+GLIBC_2.27 ldexpf64x F
+GLIBC_2.27 ldexpl F
+GLIBC_2.27 lgamma F
+GLIBC_2.27 lgamma_r F
+GLIBC_2.27 lgammaf F
+GLIBC_2.27 lgammaf128 F
+GLIBC_2.27 lgammaf128_r F
+GLIBC_2.27 lgammaf32 F
+GLIBC_2.27 lgammaf32_r F
+GLIBC_2.27 lgammaf32x F
+GLIBC_2.27 lgammaf32x_r F
+GLIBC_2.27 lgammaf64 F
+GLIBC_2.27 lgammaf64_r F
+GLIBC_2.27 lgammaf64x F
+GLIBC_2.27 lgammaf64x_r F
+GLIBC_2.27 lgammaf_r F
+GLIBC_2.27 lgammal F
+GLIBC_2.27 lgammal_r F
+GLIBC_2.27 llogb F
+GLIBC_2.27 llogbf F
+GLIBC_2.27 llogbf128 F
+GLIBC_2.27 llogbf32 F
+GLIBC_2.27 llogbf32x F
+GLIBC_2.27 llogbf64 F
+GLIBC_2.27 llogbf64x F
+GLIBC_2.27 llogbl F
+GLIBC_2.27 llrint F
+GLIBC_2.27 llrintf F
+GLIBC_2.27 llrintf128 F
+GLIBC_2.27 llrintf32 F
+GLIBC_2.27 llrintf32x F
+GLIBC_2.27 llrintf64 F
+GLIBC_2.27 llrintf64x F
+GLIBC_2.27 llrintl F
+GLIBC_2.27 llround F
+GLIBC_2.27 llroundf F
+GLIBC_2.27 llroundf128 F
+GLIBC_2.27 llroundf32 F
+GLIBC_2.27 llroundf32x F
+GLIBC_2.27 llroundf64 F
+GLIBC_2.27 llroundf64x F
+GLIBC_2.27 llroundl F
+GLIBC_2.27 log F
+GLIBC_2.27 log10 F
+GLIBC_2.27 log10f F
+GLIBC_2.27 log10f128 F
+GLIBC_2.27 log10f32 F
+GLIBC_2.27 log10f32x F
+GLIBC_2.27 log10f64 F
+GLIBC_2.27 log10f64x F
+GLIBC_2.27 log10l F
+GLIBC_2.27 log1p F
+GLIBC_2.27 log1pf F
+GLIBC_2.27 log1pf128 F
+GLIBC_2.27 log1pf32 F
+GLIBC_2.27 log1pf32x F
+GLIBC_2.27 log1pf64 F
+GLIBC_2.27 log1pf64x F
+GLIBC_2.27 log1pl F
+GLIBC_2.27 log2 F
+GLIBC_2.27 log2f F
+GLIBC_2.27 log2f128 F
+GLIBC_2.27 log2f32 F
+GLIBC_2.27 log2f32x F
+GLIBC_2.27 log2f64 F
+GLIBC_2.27 log2f64x F
+GLIBC_2.27 log2l F
+GLIBC_2.27 logb F
+GLIBC_2.27 logbf F
+GLIBC_2.27 logbf128 F
+GLIBC_2.27 logbf32 F
+GLIBC_2.27 logbf32x F
+GLIBC_2.27 logbf64 F
+GLIBC_2.27 logbf64x F
+GLIBC_2.27 logbl F
+GLIBC_2.27 logf F
+GLIBC_2.27 logf128 F
+GLIBC_2.27 logf32 F
+GLIBC_2.27 logf32x F
+GLIBC_2.27 logf64 F
+GLIBC_2.27 logf64x F
+GLIBC_2.27 logl F
+GLIBC_2.27 lrint F
+GLIBC_2.27 lrintf F
+GLIBC_2.27 lrintf128 F
+GLIBC_2.27 lrintf32 F
+GLIBC_2.27 lrintf32x F
+GLIBC_2.27 lrintf64 F
+GLIBC_2.27 lrintf64x F
+GLIBC_2.27 lrintl F
+GLIBC_2.27 lround F
+GLIBC_2.27 lroundf F
+GLIBC_2.27 lroundf128 F
+GLIBC_2.27 lroundf32 F
+GLIBC_2.27 lroundf32x F
+GLIBC_2.27 lroundf64 F
+GLIBC_2.27 lroundf64x F
+GLIBC_2.27 lroundl F
+GLIBC_2.27 modf F
+GLIBC_2.27 modff F
+GLIBC_2.27 modff128 F
+GLIBC_2.27 modff32 F
+GLIBC_2.27 modff32x F
+GLIBC_2.27 modff64 F
+GLIBC_2.27 modff64x F
+GLIBC_2.27 modfl F
+GLIBC_2.27 nan F
+GLIBC_2.27 nanf F
+GLIBC_2.27 nanf128 F
+GLIBC_2.27 nanf32 F
+GLIBC_2.27 nanf32x F
+GLIBC_2.27 nanf64 F
+GLIBC_2.27 nanf64x F
+GLIBC_2.27 nanl F
+GLIBC_2.27 nearbyint F
+GLIBC_2.27 nearbyintf F
+GLIBC_2.27 nearbyintf128 F
+GLIBC_2.27 nearbyintf32 F
+GLIBC_2.27 nearbyintf32x F
+GLIBC_2.27 nearbyintf64 F
+GLIBC_2.27 nearbyintf64x F
+GLIBC_2.27 nearbyintl F
+GLIBC_2.27 nextafter F
+GLIBC_2.27 nextafterf F
+GLIBC_2.27 nextafterf128 F
+GLIBC_2.27 nextafterf32 F
+GLIBC_2.27 nextafterf32x F
+GLIBC_2.27 nextafterf64 F
+GLIBC_2.27 nextafterf64x F
+GLIBC_2.27 nextafterl F
+GLIBC_2.27 nextdown F
+GLIBC_2.27 nextdownf F
+GLIBC_2.27 nextdownf128 F
+GLIBC_2.27 nextdownf32 F
+GLIBC_2.27 nextdownf32x F
+GLIBC_2.27 nextdownf64 F
+GLIBC_2.27 nextdownf64x F
+GLIBC_2.27 nextdownl F
+GLIBC_2.27 nexttoward F
+GLIBC_2.27 nexttowardf F
+GLIBC_2.27 nexttowardl F
+GLIBC_2.27 nextup F
+GLIBC_2.27 nextupf F
+GLIBC_2.27 nextupf128 F
+GLIBC_2.27 nextupf32 F
+GLIBC_2.27 nextupf32x F
+GLIBC_2.27 nextupf64 F
+GLIBC_2.27 nextupf64x F
+GLIBC_2.27 nextupl F
+GLIBC_2.27 pow F
+GLIBC_2.27 powf F
+GLIBC_2.27 powf128 F
+GLIBC_2.27 powf32 F
+GLIBC_2.27 powf32x F
+GLIBC_2.27 powf64 F
+GLIBC_2.27 powf64x F
+GLIBC_2.27 powl F
+GLIBC_2.27 remainder F
+GLIBC_2.27 remainderf F
+GLIBC_2.27 remainderf128 F
+GLIBC_2.27 remainderf32 F
+GLIBC_2.27 remainderf32x F
+GLIBC_2.27 remainderf64 F
+GLIBC_2.27 remainderf64x F
+GLIBC_2.27 remainderl F
+GLIBC_2.27 remquo F
+GLIBC_2.27 remquof F
+GLIBC_2.27 remquof128 F
+GLIBC_2.27 remquof32 F
+GLIBC_2.27 remquof32x F
+GLIBC_2.27 remquof64 F
+GLIBC_2.27 remquof64x F
+GLIBC_2.27 remquol F
+GLIBC_2.27 rint F
+GLIBC_2.27 rintf F
+GLIBC_2.27 rintf128 F
+GLIBC_2.27 rintf32 F
+GLIBC_2.27 rintf32x F
+GLIBC_2.27 rintf64 F
+GLIBC_2.27 rintf64x F
+GLIBC_2.27 rintl F
+GLIBC_2.27 round F
+GLIBC_2.27 roundeven F
+GLIBC_2.27 roundevenf F
+GLIBC_2.27 roundevenf128 F
+GLIBC_2.27 roundevenf32 F
+GLIBC_2.27 roundevenf32x F
+GLIBC_2.27 roundevenf64 F
+GLIBC_2.27 roundevenf64x F
+GLIBC_2.27 roundevenl F
+GLIBC_2.27 roundf F
+GLIBC_2.27 roundf128 F
+GLIBC_2.27 roundf32 F
+GLIBC_2.27 roundf32x F
+GLIBC_2.27 roundf64 F
+GLIBC_2.27 roundf64x F
+GLIBC_2.27 roundl F
+GLIBC_2.27 scalb F
+GLIBC_2.27 scalbf F
+GLIBC_2.27 scalbl F
+GLIBC_2.27 scalbln F
+GLIBC_2.27 scalblnf F
+GLIBC_2.27 scalblnf128 F
+GLIBC_2.27 scalblnf32 F
+GLIBC_2.27 scalblnf32x F
+GLIBC_2.27 scalblnf64 F
+GLIBC_2.27 scalblnf64x F
+GLIBC_2.27 scalblnl F
+GLIBC_2.27 scalbn F
+GLIBC_2.27 scalbnf F
+GLIBC_2.27 scalbnf128 F
+GLIBC_2.27 scalbnf32 F
+GLIBC_2.27 scalbnf32x F
+GLIBC_2.27 scalbnf64 F
+GLIBC_2.27 scalbnf64x F
+GLIBC_2.27 scalbnl F
+GLIBC_2.27 setpayload F
+GLIBC_2.27 setpayloadf F
+GLIBC_2.27 setpayloadf128 F
+GLIBC_2.27 setpayloadf32 F
+GLIBC_2.27 setpayloadf32x F
+GLIBC_2.27 setpayloadf64 F
+GLIBC_2.27 setpayloadf64x F
+GLIBC_2.27 setpayloadl F
+GLIBC_2.27 setpayloadsig F
+GLIBC_2.27 setpayloadsigf F
+GLIBC_2.27 setpayloadsigf128 F
+GLIBC_2.27 setpayloadsigf32 F
+GLIBC_2.27 setpayloadsigf32x F
+GLIBC_2.27 setpayloadsigf64 F
+GLIBC_2.27 setpayloadsigf64x F
+GLIBC_2.27 setpayloadsigl F
+GLIBC_2.27 signgam D 0x4
+GLIBC_2.27 significand F
+GLIBC_2.27 significandf F
+GLIBC_2.27 significandl F
+GLIBC_2.27 sin F
+GLIBC_2.27 sincos F
+GLIBC_2.27 sincosf F
+GLIBC_2.27 sincosf128 F
+GLIBC_2.27 sincosf32 F
+GLIBC_2.27 sincosf32x F
+GLIBC_2.27 sincosf64 F
+GLIBC_2.27 sincosf64x F
+GLIBC_2.27 sincosl F
+GLIBC_2.27 sinf F
+GLIBC_2.27 sinf128 F
+GLIBC_2.27 sinf32 F
+GLIBC_2.27 sinf32x F
+GLIBC_2.27 sinf64 F
+GLIBC_2.27 sinf64x F
+GLIBC_2.27 sinh F
+GLIBC_2.27 sinhf F
+GLIBC_2.27 sinhf128 F
+GLIBC_2.27 sinhf32 F
+GLIBC_2.27 sinhf32x F
+GLIBC_2.27 sinhf64 F
+GLIBC_2.27 sinhf64x F
+GLIBC_2.27 sinhl F
+GLIBC_2.27 sinl F
+GLIBC_2.27 sqrt F
+GLIBC_2.27 sqrtf F
+GLIBC_2.27 sqrtf128 F
+GLIBC_2.27 sqrtf32 F
+GLIBC_2.27 sqrtf32x F
+GLIBC_2.27 sqrtf64 F
+GLIBC_2.27 sqrtf64x F
+GLIBC_2.27 sqrtl F
+GLIBC_2.27 tan F
+GLIBC_2.27 tanf F
+GLIBC_2.27 tanf128 F
+GLIBC_2.27 tanf32 F
+GLIBC_2.27 tanf32x F
+GLIBC_2.27 tanf64 F
+GLIBC_2.27 tanf64x F
+GLIBC_2.27 tanh F
+GLIBC_2.27 tanhf F
+GLIBC_2.27 tanhf128 F
+GLIBC_2.27 tanhf32 F
+GLIBC_2.27 tanhf32x F
+GLIBC_2.27 tanhf64 F
+GLIBC_2.27 tanhf64x F
+GLIBC_2.27 tanhl F
+GLIBC_2.27 tanl F
+GLIBC_2.27 tgamma F
+GLIBC_2.27 tgammaf F
+GLIBC_2.27 tgammaf128 F
+GLIBC_2.27 tgammaf32 F
+GLIBC_2.27 tgammaf32x F
+GLIBC_2.27 tgammaf64 F
+GLIBC_2.27 tgammaf64x F
+GLIBC_2.27 tgammal F
+GLIBC_2.27 totalorder F
+GLIBC_2.27 totalorderf F
+GLIBC_2.27 totalorderf128 F
+GLIBC_2.27 totalorderf32 F
+GLIBC_2.27 totalorderf32x F
+GLIBC_2.27 totalorderf64 F
+GLIBC_2.27 totalorderf64x F
+GLIBC_2.27 totalorderl F
+GLIBC_2.27 totalordermag F
+GLIBC_2.27 totalordermagf F
+GLIBC_2.27 totalordermagf128 F
+GLIBC_2.27 totalordermagf32 F
+GLIBC_2.27 totalordermagf32x F
+GLIBC_2.27 totalordermagf64 F
+GLIBC_2.27 totalordermagf64x F
+GLIBC_2.27 totalordermagl F
+GLIBC_2.27 trunc F
+GLIBC_2.27 truncf F
+GLIBC_2.27 truncf128 F
+GLIBC_2.27 truncf32 F
+GLIBC_2.27 truncf32x F
+GLIBC_2.27 truncf64 F
+GLIBC_2.27 truncf64x F
+GLIBC_2.27 truncl F
+GLIBC_2.27 ufromfp F
+GLIBC_2.27 ufromfpf F
+GLIBC_2.27 ufromfpf128 F
+GLIBC_2.27 ufromfpf32 F
+GLIBC_2.27 ufromfpf32x F
+GLIBC_2.27 ufromfpf64 F
+GLIBC_2.27 ufromfpf64x F
+GLIBC_2.27 ufromfpl F
+GLIBC_2.27 ufromfpx F
+GLIBC_2.27 ufromfpxf F
+GLIBC_2.27 ufromfpxf128 F
+GLIBC_2.27 ufromfpxf32 F
+GLIBC_2.27 ufromfpxf32x F
+GLIBC_2.27 ufromfpxf64 F
+GLIBC_2.27 ufromfpxf64x F
+GLIBC_2.27 ufromfpxl F
+GLIBC_2.27 y0 F
+GLIBC_2.27 y0f F
+GLIBC_2.27 y0f128 F
+GLIBC_2.27 y0f32 F
+GLIBC_2.27 y0f32x F
+GLIBC_2.27 y0f64 F
+GLIBC_2.27 y0f64x F
+GLIBC_2.27 y0l F
+GLIBC_2.27 y1 F
+GLIBC_2.27 y1f F
+GLIBC_2.27 y1f128 F
+GLIBC_2.27 y1f32 F
+GLIBC_2.27 y1f32x F
+GLIBC_2.27 y1f64 F
+GLIBC_2.27 y1f64x F
+GLIBC_2.27 y1l F
+GLIBC_2.27 yn F
+GLIBC_2.27 ynf F
+GLIBC_2.27 ynf128 F
+GLIBC_2.27 ynf32 F
+GLIBC_2.27 ynf32x F
+GLIBC_2.27 ynf64 F
+GLIBC_2.27 ynf64x F
+GLIBC_2.27 ynl F
+GLIBC_2.28 daddl F
+GLIBC_2.28 ddivl F
+GLIBC_2.28 dmull F
+GLIBC_2.28 dsubl F
+GLIBC_2.28 f32addf128 F
+GLIBC_2.28 f32addf32x F
+GLIBC_2.28 f32addf64 F
+GLIBC_2.28 f32addf64x F
+GLIBC_2.28 f32divf128 F
+GLIBC_2.28 f32divf32x F
+GLIBC_2.28 f32divf64 F
+GLIBC_2.28 f32divf64x F
+GLIBC_2.28 f32mulf128 F
+GLIBC_2.28 f32mulf32x F
+GLIBC_2.28 f32mulf64 F
+GLIBC_2.28 f32mulf64x F
+GLIBC_2.28 f32subf128 F
+GLIBC_2.28 f32subf32x F
+GLIBC_2.28 f32subf64 F
+GLIBC_2.28 f32subf64x F
+GLIBC_2.28 f32xaddf128 F
+GLIBC_2.28 f32xaddf64 F
+GLIBC_2.28 f32xaddf64x F
+GLIBC_2.28 f32xdivf128 F
+GLIBC_2.28 f32xdivf64 F
+GLIBC_2.28 f32xdivf64x F
+GLIBC_2.28 f32xmulf128 F
+GLIBC_2.28 f32xmulf64 F
+GLIBC_2.28 f32xmulf64x F
+GLIBC_2.28 f32xsubf128 F
+GLIBC_2.28 f32xsubf64 F
+GLIBC_2.28 f32xsubf64x F
+GLIBC_2.28 f64addf128 F
+GLIBC_2.28 f64addf64x F
+GLIBC_2.28 f64divf128 F
+GLIBC_2.28 f64divf64x F
+GLIBC_2.28 f64mulf128 F
+GLIBC_2.28 f64mulf64x F
+GLIBC_2.28 f64subf128 F
+GLIBC_2.28 f64subf64x F
+GLIBC_2.28 f64xaddf128 F
+GLIBC_2.28 f64xdivf128 F
+GLIBC_2.28 f64xmulf128 F
+GLIBC_2.28 f64xsubf128 F
+GLIBC_2.28 fadd F
+GLIBC_2.28 faddl F
+GLIBC_2.28 fdiv F
+GLIBC_2.28 fdivl F
+GLIBC_2.28 fmul F
+GLIBC_2.28 fmull F
+GLIBC_2.28 fsub F
+GLIBC_2.28 fsubl F
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/libnsl.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/libnsl.abilist
new file mode 100644
index 00000000..0767472d
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libnsl.abilist
@@ -0,0 +1,120 @@
+GLIBC_2.27 __free_fdresult F
+GLIBC_2.27 __nis_default_access F
+GLIBC_2.27 __nis_default_group F
+GLIBC_2.27 __nis_default_owner F
+GLIBC_2.27 __nis_default_ttl F
+GLIBC_2.27 __nis_finddirectory F
+GLIBC_2.27 __nisbind_connect F
+GLIBC_2.27 __nisbind_create F
+GLIBC_2.27 __nisbind_destroy F
+GLIBC_2.27 __nisbind_next F
+GLIBC_2.27 __yp_check F
+GLIBC_2.27 nis_add F
+GLIBC_2.27 nis_add_entry F
+GLIBC_2.27 nis_addmember F
+GLIBC_2.27 nis_checkpoint F
+GLIBC_2.27 nis_clone_directory F
+GLIBC_2.27 nis_clone_object F
+GLIBC_2.27 nis_clone_result F
+GLIBC_2.27 nis_creategroup F
+GLIBC_2.27 nis_destroy_object F
+GLIBC_2.27 nis_destroygroup F
+GLIBC_2.27 nis_dir_cmp F
+GLIBC_2.27 nis_domain_of F
+GLIBC_2.27 nis_domain_of_r F
+GLIBC_2.27 nis_first_entry F
+GLIBC_2.27 nis_free_directory F
+GLIBC_2.27 nis_free_object F
+GLIBC_2.27 nis_free_request F
+GLIBC_2.27 nis_freenames F
+GLIBC_2.27 nis_freeresult F
+GLIBC_2.27 nis_freeservlist F
+GLIBC_2.27 nis_freetags F
+GLIBC_2.27 nis_getnames F
+GLIBC_2.27 nis_getservlist F
+GLIBC_2.27 nis_ismember F
+GLIBC_2.27 nis_leaf_of F
+GLIBC_2.27 nis_leaf_of_r F
+GLIBC_2.27 nis_lerror F
+GLIBC_2.27 nis_list F
+GLIBC_2.27 nis_local_directory F
+GLIBC_2.27 nis_local_group F
+GLIBC_2.27 nis_local_host F
+GLIBC_2.27 nis_local_principal F
+GLIBC_2.27 nis_lookup F
+GLIBC_2.27 nis_mkdir F
+GLIBC_2.27 nis_modify F
+GLIBC_2.27 nis_modify_entry F
+GLIBC_2.27 nis_name_of F
+GLIBC_2.27 nis_name_of_r F
+GLIBC_2.27 nis_next_entry F
+GLIBC_2.27 nis_perror F
+GLIBC_2.27 nis_ping F
+GLIBC_2.27 nis_print_directory F
+GLIBC_2.27 nis_print_entry F
+GLIBC_2.27 nis_print_group F
+GLIBC_2.27 nis_print_group_entry F
+GLIBC_2.27 nis_print_link F
+GLIBC_2.27 nis_print_object F
+GLIBC_2.27 nis_print_result F
+GLIBC_2.27 nis_print_rights F
+GLIBC_2.27 nis_print_table F
+GLIBC_2.27 nis_read_obj F
+GLIBC_2.27 nis_remove F
+GLIBC_2.27 nis_remove_entry F
+GLIBC_2.27 nis_removemember F
+GLIBC_2.27 nis_rmdir F
+GLIBC_2.27 nis_servstate F
+GLIBC_2.27 nis_sperrno F
+GLIBC_2.27 nis_sperror F
+GLIBC_2.27 nis_sperror_r F
+GLIBC_2.27 nis_stats F
+GLIBC_2.27 nis_verifygroup F
+GLIBC_2.27 nis_write_obj F
+GLIBC_2.27 readColdStartFile F
+GLIBC_2.27 writeColdStartFile F
+GLIBC_2.27 xdr_cback_data F
+GLIBC_2.27 xdr_domainname F
+GLIBC_2.27 xdr_keydat F
+GLIBC_2.27 xdr_mapname F
+GLIBC_2.27 xdr_obj_p F
+GLIBC_2.27 xdr_peername F
+GLIBC_2.27 xdr_valdat F
+GLIBC_2.27 xdr_yp_buf F
+GLIBC_2.27 xdr_ypall F
+GLIBC_2.27 xdr_ypbind_binding F
+GLIBC_2.27 xdr_ypbind_resp F
+GLIBC_2.27 xdr_ypbind_resptype F
+GLIBC_2.27 xdr_ypbind_setdom F
+GLIBC_2.27 xdr_ypdelete_args F
+GLIBC_2.27 xdr_ypmap_parms F
+GLIBC_2.27 xdr_ypmaplist F
+GLIBC_2.27 xdr_yppush_status F
+GLIBC_2.27 xdr_yppushresp_xfr F
+GLIBC_2.27 xdr_ypreq_key F
+GLIBC_2.27 xdr_ypreq_nokey F
+GLIBC_2.27 xdr_ypreq_xfr F
+GLIBC_2.27 xdr_ypresp_all F
+GLIBC_2.27 xdr_ypresp_key_val F
+GLIBC_2.27 xdr_ypresp_maplist F
+GLIBC_2.27 xdr_ypresp_master F
+GLIBC_2.27 xdr_ypresp_order F
+GLIBC_2.27 xdr_ypresp_val F
+GLIBC_2.27 xdr_ypresp_xfr F
+GLIBC_2.27 xdr_ypstat F
+GLIBC_2.27 xdr_ypupdate_args F
+GLIBC_2.27 xdr_ypxfrstat F
+GLIBC_2.27 yp_all F
+GLIBC_2.27 yp_bind F
+GLIBC_2.27 yp_first F
+GLIBC_2.27 yp_get_default_domain F
+GLIBC_2.27 yp_maplist F
+GLIBC_2.27 yp_master F
+GLIBC_2.27 yp_match F
+GLIBC_2.27 yp_next F
+GLIBC_2.27 yp_order F
+GLIBC_2.27 yp_unbind F
+GLIBC_2.27 yp_update F
+GLIBC_2.27 ypbinderr_string F
+GLIBC_2.27 yperr_string F
+GLIBC_2.27 ypprot_err F
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/libpthread.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/libpthread.abilist
new file mode 100644
index 00000000..f60b22ef
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libpthread.abilist
@@ -0,0 +1,264 @@
+GLIBC_2.0 _IO_flockfile F
+GLIBC_2.0 _IO_ftrylockfile F
+GLIBC_2.0 _IO_funlockfile F
+GLIBC_2.0 __close F
+GLIBC_2.0 __connect F
+GLIBC_2.0 __errno_location F
+GLIBC_2.0 __fcntl F
+GLIBC_2.0 __fork F
+GLIBC_2.0 __h_errno_location F
+GLIBC_2.0 __lseek F
+GLIBC_2.0 __open F
+GLIBC_2.0 __pthread_getspecific F
+GLIBC_2.0 __pthread_key_create F
+GLIBC_2.0 __pthread_mutex_destroy F
+GLIBC_2.0 __pthread_mutex_init F
+GLIBC_2.0 __pthread_mutex_lock F
+GLIBC_2.0 __pthread_mutex_trylock F
+GLIBC_2.0 __pthread_mutex_unlock F
+GLIBC_2.0 __pthread_mutexattr_destroy F
+GLIBC_2.0 __pthread_mutexattr_init F
+GLIBC_2.0 __pthread_mutexattr_settype F
+GLIBC_2.0 __pthread_once F
+GLIBC_2.0 __pthread_setspecific F
+GLIBC_2.0 __read F
+GLIBC_2.0 __send F
+GLIBC_2.0 __sigaction F
+GLIBC_2.0 __wait F
+GLIBC_2.0 __write F
+GLIBC_2.0 _pthread_cleanup_pop F
+GLIBC_2.0 _pthread_cleanup_pop_restore F
+GLIBC_2.0 _pthread_cleanup_push F
+GLIBC_2.0 _pthread_cleanup_push_defer F
+GLIBC_2.0 accept F
+GLIBC_2.0 close F
+GLIBC_2.0 connect F
+GLIBC_2.0 fcntl F
+GLIBC_2.0 flockfile F
+GLIBC_2.0 fork F
+GLIBC_2.0 fsync F
+GLIBC_2.0 ftrylockfile F
+GLIBC_2.0 funlockfile F
+GLIBC_2.0 longjmp F
+GLIBC_2.0 lseek F
+GLIBC_2.0 msync F
+GLIBC_2.0 nanosleep F
+GLIBC_2.0 open F
+GLIBC_2.0 pause F
+GLIBC_2.0 pthread_atfork F
+GLIBC_2.0 pthread_attr_destroy F
+GLIBC_2.0 pthread_attr_getdetachstate F
+GLIBC_2.0 pthread_attr_getinheritsched F
+GLIBC_2.0 pthread_attr_getschedparam F
+GLIBC_2.0 pthread_attr_getschedpolicy F
+GLIBC_2.0 pthread_attr_getscope F
+GLIBC_2.0 pthread_attr_init F
+GLIBC_2.0 pthread_attr_setdetachstate F
+GLIBC_2.0 pthread_attr_setinheritsched F
+GLIBC_2.0 pthread_attr_setschedparam F
+GLIBC_2.0 pthread_attr_setschedpolicy F
+GLIBC_2.0 pthread_attr_setscope F
+GLIBC_2.0 pthread_cancel F
+GLIBC_2.0 pthread_cond_broadcast F
+GLIBC_2.0 pthread_cond_destroy F
+GLIBC_2.0 pthread_cond_init F
+GLIBC_2.0 pthread_cond_signal F
+GLIBC_2.0 pthread_cond_timedwait F
+GLIBC_2.0 pthread_cond_wait F
+GLIBC_2.0 pthread_condattr_destroy F
+GLIBC_2.0 pthread_condattr_init F
+GLIBC_2.0 pthread_create F
+GLIBC_2.0 pthread_detach F
+GLIBC_2.0 pthread_equal F
+GLIBC_2.0 pthread_exit F
+GLIBC_2.0 pthread_getschedparam F
+GLIBC_2.0 pthread_getspecific F
+GLIBC_2.0 pthread_join F
+GLIBC_2.0 pthread_key_create F
+GLIBC_2.0 pthread_key_delete F
+GLIBC_2.0 pthread_kill F
+GLIBC_2.0 pthread_kill_other_threads_np F
+GLIBC_2.0 pthread_mutex_destroy F
+GLIBC_2.0 pthread_mutex_init F
+GLIBC_2.0 pthread_mutex_lock F
+GLIBC_2.0 pthread_mutex_trylock F
+GLIBC_2.0 pthread_mutex_unlock F
+GLIBC_2.0 pthread_mutexattr_destroy F
+GLIBC_2.0 pthread_mutexattr_getkind_np F
+GLIBC_2.0 pthread_mutexattr_init F
+GLIBC_2.0 pthread_mutexattr_setkind_np F
+GLIBC_2.0 pthread_once F
+GLIBC_2.0 pthread_self F
+GLIBC_2.0 pthread_setcancelstate F
+GLIBC_2.0 pthread_setcanceltype F
+GLIBC_2.0 pthread_setschedparam F
+GLIBC_2.0 pthread_setspecific F
+GLIBC_2.0 pthread_sigmask F
+GLIBC_2.0 pthread_testcancel F
+GLIBC_2.0 raise F
+GLIBC_2.0 read F
+GLIBC_2.0 recv F
+GLIBC_2.0 recvfrom F
+GLIBC_2.0 recvmsg F
+GLIBC_2.0 sem_destroy F
+GLIBC_2.0 sem_getvalue F
+GLIBC_2.0 sem_init F
+GLIBC_2.0 sem_post F
+GLIBC_2.0 sem_trywait F
+GLIBC_2.0 sem_wait F
+GLIBC_2.0 send F
+GLIBC_2.0 sendmsg F
+GLIBC_2.0 sendto F
+GLIBC_2.0 sigaction F
+GLIBC_2.0 siglongjmp F
+GLIBC_2.0 sigwait F
+GLIBC_2.0 system F
+GLIBC_2.0 tcdrain F
+GLIBC_2.0 wait F
+GLIBC_2.0 waitpid F
+GLIBC_2.0 write F
+GLIBC_2.11 pthread_sigqueue F
+GLIBC_2.12 pthread_getname_np F
+GLIBC_2.12 pthread_mutex_consistent F
+GLIBC_2.12 pthread_mutexattr_getrobust F
+GLIBC_2.12 pthread_mutexattr_setrobust F
+GLIBC_2.12 pthread_setname_np F
+GLIBC_2.18 pthread_getattr_default_np F
+GLIBC_2.18 pthread_setattr_default_np F
+GLIBC_2.2 __libc_allocate_rtsig F
+GLIBC_2.2 __libc_current_sigrtmax F
+GLIBC_2.2 __libc_current_sigrtmin F
+GLIBC_2.2 __open64 F
+GLIBC_2.2 __pread64 F
+GLIBC_2.2 __pthread_rwlock_destroy F
+GLIBC_2.2 __pthread_rwlock_init F
+GLIBC_2.2 __pthread_rwlock_rdlock F
+GLIBC_2.2 __pthread_rwlock_tryrdlock F
+GLIBC_2.2 __pthread_rwlock_trywrlock F
+GLIBC_2.2 __pthread_rwlock_unlock F
+GLIBC_2.2 __pthread_rwlock_wrlock F
+GLIBC_2.2 __pwrite64 F
+GLIBC_2.2 __res_state F
+GLIBC_2.2 lseek64 F
+GLIBC_2.2 open64 F
+GLIBC_2.2 pread F
+GLIBC_2.2 pread64 F
+GLIBC_2.2 pthread_attr_getguardsize F
+GLIBC_2.2 pthread_attr_getstack F
+GLIBC_2.2 pthread_attr_getstackaddr F
+GLIBC_2.2 pthread_attr_getstacksize F
+GLIBC_2.2 pthread_attr_init F
+GLIBC_2.2 pthread_attr_setguardsize F
+GLIBC_2.2 pthread_attr_setstack F
+GLIBC_2.2 pthread_attr_setstackaddr F
+GLIBC_2.2 pthread_attr_setstacksize F
+GLIBC_2.2 pthread_barrier_destroy F
+GLIBC_2.2 pthread_barrier_init F
+GLIBC_2.2 pthread_barrier_wait F
+GLIBC_2.2 pthread_barrierattr_destroy F
+GLIBC_2.2 pthread_barrierattr_init F
+GLIBC_2.2 pthread_barrierattr_setpshared F
+GLIBC_2.2 pthread_condattr_getpshared F
+GLIBC_2.2 pthread_condattr_setpshared F
+GLIBC_2.2 pthread_create F
+GLIBC_2.2 pthread_getconcurrency F
+GLIBC_2.2 pthread_getcpuclockid F
+GLIBC_2.2 pthread_mutex_timedlock F
+GLIBC_2.2 pthread_mutexattr_getpshared F
+GLIBC_2.2 pthread_mutexattr_gettype F
+GLIBC_2.2 pthread_mutexattr_setpshared F
+GLIBC_2.2 pthread_mutexattr_settype F
+GLIBC_2.2 pthread_rwlock_destroy F
+GLIBC_2.2 pthread_rwlock_init F
+GLIBC_2.2 pthread_rwlock_rdlock F
+GLIBC_2.2 pthread_rwlock_timedrdlock F
+GLIBC_2.2 pthread_rwlock_timedwrlock F
+GLIBC_2.2 pthread_rwlock_tryrdlock F
+GLIBC_2.2 pthread_rwlock_trywrlock F
+GLIBC_2.2 pthread_rwlock_unlock F
+GLIBC_2.2 pthread_rwlock_wrlock F
+GLIBC_2.2 pthread_rwlockattr_destroy F
+GLIBC_2.2 pthread_rwlockattr_getkind_np F
+GLIBC_2.2 pthread_rwlockattr_getpshared F
+GLIBC_2.2 pthread_rwlockattr_init F
+GLIBC_2.2 pthread_rwlockattr_setkind_np F
+GLIBC_2.2 pthread_rwlockattr_setpshared F
+GLIBC_2.2 pthread_setconcurrency F
+GLIBC_2.2 pthread_spin_destroy F
+GLIBC_2.2 pthread_spin_init F
+GLIBC_2.2 pthread_spin_lock F
+GLIBC_2.2 pthread_spin_trylock F
+GLIBC_2.2 pthread_spin_unlock F
+GLIBC_2.2 pthread_yield F
+GLIBC_2.2 pwrite F
+GLIBC_2.2 pwrite64 F
+GLIBC_2.2 sem_close F
+GLIBC_2.2 sem_destroy F
+GLIBC_2.2 sem_getvalue F
+GLIBC_2.2 sem_init F
+GLIBC_2.2 sem_open F
+GLIBC_2.2 sem_post F
+GLIBC_2.2 sem_timedwait F
+GLIBC_2.2 sem_trywait F
+GLIBC_2.2 sem_unlink F
+GLIBC_2.2 sem_wait F
+GLIBC_2.2.3 pthread_getattr_np F
+GLIBC_2.2.6 __nanosleep F
+GLIBC_2.28 call_once F
+GLIBC_2.28 cnd_broadcast F
+GLIBC_2.28 cnd_destroy F
+GLIBC_2.28 cnd_init F
+GLIBC_2.28 cnd_signal F
+GLIBC_2.28 cnd_timedwait F
+GLIBC_2.28 cnd_wait F
+GLIBC_2.28 mtx_destroy F
+GLIBC_2.28 mtx_init F
+GLIBC_2.28 mtx_lock F
+GLIBC_2.28 mtx_timedlock F
+GLIBC_2.28 mtx_trylock F
+GLIBC_2.28 mtx_unlock F
+GLIBC_2.28 thrd_create F
+GLIBC_2.28 thrd_detach F
+GLIBC_2.28 thrd_exit F
+GLIBC_2.28 thrd_join F
+GLIBC_2.28 tss_create F
+GLIBC_2.28 tss_delete F
+GLIBC_2.28 tss_get F
+GLIBC_2.28 tss_set F
+GLIBC_2.3.2 pthread_cond_broadcast F
+GLIBC_2.3.2 pthread_cond_destroy F
+GLIBC_2.3.2 pthread_cond_init F
+GLIBC_2.3.2 pthread_cond_signal F
+GLIBC_2.3.2 pthread_cond_timedwait F
+GLIBC_2.3.2 pthread_cond_wait F
+GLIBC_2.3.3 __pthread_cleanup_routine F
+GLIBC_2.3.3 __pthread_register_cancel F
+GLIBC_2.3.3 __pthread_register_cancel_defer F
+GLIBC_2.3.3 __pthread_unregister_cancel F
+GLIBC_2.3.3 __pthread_unregister_cancel_restore F
+GLIBC_2.3.3 __pthread_unwind_next F
+GLIBC_2.3.3 pthread_attr_getaffinity_np F
+GLIBC_2.3.3 pthread_attr_setaffinity_np F
+GLIBC_2.3.3 pthread_attr_setstack F
+GLIBC_2.3.3 pthread_attr_setstacksize F
+GLIBC_2.3.3 pthread_barrierattr_getpshared F
+GLIBC_2.3.3 pthread_condattr_getclock F
+GLIBC_2.3.3 pthread_condattr_setclock F
+GLIBC_2.3.3 pthread_getaffinity_np F
+GLIBC_2.3.3 pthread_setaffinity_np F
+GLIBC_2.3.3 pthread_timedjoin_np F
+GLIBC_2.3.3 pthread_tryjoin_np F
+GLIBC_2.3.4 pthread_attr_getaffinity_np F
+GLIBC_2.3.4 pthread_attr_setaffinity_np F
+GLIBC_2.3.4 pthread_getaffinity_np F
+GLIBC_2.3.4 pthread_setaffinity_np F
+GLIBC_2.3.4 pthread_setschedprio F
+GLIBC_2.4 pthread_mutex_consistent_np F
+GLIBC_2.4 pthread_mutex_getprioceiling F
+GLIBC_2.4 pthread_mutex_setprioceiling F
+GLIBC_2.4 pthread_mutexattr_getprioceiling F
+GLIBC_2.4 pthread_mutexattr_getprotocol F
+GLIBC_2.4 pthread_mutexattr_getrobust_np F
+GLIBC_2.4 pthread_mutexattr_setprioceiling F
+GLIBC_2.4 pthread_mutexattr_setprotocol F
+GLIBC_2.4 pthread_mutexattr_setrobust_np F
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/libresolv.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/libresolv.abilist
new file mode 100644
index 00000000..eb9c1cb7
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libresolv.abilist
@@ -0,0 +1,79 @@
+GLIBC_2.27 __b64_ntop F
+GLIBC_2.27 __b64_pton F
+GLIBC_2.27 __dn_comp F
+GLIBC_2.27 __dn_count_labels F
+GLIBC_2.27 __dn_expand F
+GLIBC_2.27 __dn_skipname F
+GLIBC_2.27 __fp_nquery F
+GLIBC_2.27 __fp_query F
+GLIBC_2.27 __fp_resstat F
+GLIBC_2.27 __hostalias F
+GLIBC_2.27 __loc_aton F
+GLIBC_2.27 __loc_ntoa F
+GLIBC_2.27 __p_cdname F
+GLIBC_2.27 __p_cdnname F
+GLIBC_2.27 __p_class F
+GLIBC_2.27 __p_class_syms D 0xa8
+GLIBC_2.27 __p_fqname F
+GLIBC_2.27 __p_fqnname F
+GLIBC_2.27 __p_option F
+GLIBC_2.27 __p_query F
+GLIBC_2.27 __p_rcode F
+GLIBC_2.27 __p_time F
+GLIBC_2.27 __p_type F
+GLIBC_2.27 __p_type_syms D 0x450
+GLIBC_2.27 __putlong F
+GLIBC_2.27 __putshort F
+GLIBC_2.27 __res_close F
+GLIBC_2.27 __res_dnok F
+GLIBC_2.27 __res_hnok F
+GLIBC_2.27 __res_hostalias F
+GLIBC_2.27 __res_isourserver F
+GLIBC_2.27 __res_mailok F
+GLIBC_2.27 __res_mkquery F
+GLIBC_2.27 __res_nameinquery F
+GLIBC_2.27 __res_nmkquery F
+GLIBC_2.27 __res_nquery F
+GLIBC_2.27 __res_nquerydomain F
+GLIBC_2.27 __res_nsearch F
+GLIBC_2.27 __res_nsend F
+GLIBC_2.27 __res_ownok F
+GLIBC_2.27 __res_queriesmatch F
+GLIBC_2.27 __res_query F
+GLIBC_2.27 __res_querydomain F
+GLIBC_2.27 __res_search F
+GLIBC_2.27 __res_send F
+GLIBC_2.27 __sym_ntop F
+GLIBC_2.27 __sym_ntos F
+GLIBC_2.27 __sym_ston F
+GLIBC_2.27 _getlong F
+GLIBC_2.27 _getshort F
+GLIBC_2.27 inet_net_ntop F
+GLIBC_2.27 inet_net_pton F
+GLIBC_2.27 inet_neta F
+GLIBC_2.27 ns_datetosecs F
+GLIBC_2.27 ns_format_ttl F
+GLIBC_2.27 ns_get16 F
+GLIBC_2.27 ns_get32 F
+GLIBC_2.27 ns_initparse F
+GLIBC_2.27 ns_makecanon F
+GLIBC_2.27 ns_msg_getflag F
+GLIBC_2.27 ns_name_compress F
+GLIBC_2.27 ns_name_ntol F
+GLIBC_2.27 ns_name_ntop F
+GLIBC_2.27 ns_name_pack F
+GLIBC_2.27 ns_name_pton F
+GLIBC_2.27 ns_name_rollback F
+GLIBC_2.27 ns_name_skip F
+GLIBC_2.27 ns_name_uncompress F
+GLIBC_2.27 ns_name_unpack F
+GLIBC_2.27 ns_parse_ttl F
+GLIBC_2.27 ns_parserr F
+GLIBC_2.27 ns_put16 F
+GLIBC_2.27 ns_put32 F
+GLIBC_2.27 ns_samedomain F
+GLIBC_2.27 ns_samename F
+GLIBC_2.27 ns_skiprr F
+GLIBC_2.27 ns_sprintrr F
+GLIBC_2.27 ns_sprintrrf F
+GLIBC_2.27 ns_subdomain F
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/librt.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/librt.abilist
new file mode 100644
index 00000000..bfd262ec
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/librt.abilist
@@ -0,0 +1,35 @@
+GLIBC_2.27 __mq_open_2 F
+GLIBC_2.27 aio_cancel F
+GLIBC_2.27 aio_cancel64 F
+GLIBC_2.27 aio_error F
+GLIBC_2.27 aio_error64 F
+GLIBC_2.27 aio_fsync F
+GLIBC_2.27 aio_fsync64 F
+GLIBC_2.27 aio_init F
+GLIBC_2.27 aio_read F
+GLIBC_2.27 aio_read64 F
+GLIBC_2.27 aio_return F
+GLIBC_2.27 aio_return64 F
+GLIBC_2.27 aio_suspend F
+GLIBC_2.27 aio_suspend64 F
+GLIBC_2.27 aio_write F
+GLIBC_2.27 aio_write64 F
+GLIBC_2.27 lio_listio F
+GLIBC_2.27 lio_listio64 F
+GLIBC_2.27 mq_close F
+GLIBC_2.27 mq_getattr F
+GLIBC_2.27 mq_notify F
+GLIBC_2.27 mq_open F
+GLIBC_2.27 mq_receive F
+GLIBC_2.27 mq_send F
+GLIBC_2.27 mq_setattr F
+GLIBC_2.27 mq_timedreceive F
+GLIBC_2.27 mq_timedsend F
+GLIBC_2.27 mq_unlink F
+GLIBC_2.27 shm_open F
+GLIBC_2.27 shm_unlink F
+GLIBC_2.27 timer_create F
+GLIBC_2.27 timer_delete F
+GLIBC_2.27 timer_getoverrun F
+GLIBC_2.27 timer_gettime F
+GLIBC_2.27 timer_settime F
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/libthread_db.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/libthread_db.abilist
new file mode 100644
index 00000000..4122e563
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libthread_db.abilist
@@ -0,0 +1,40 @@
+GLIBC_2.27 td_init F
+GLIBC_2.27 td_log F
+GLIBC_2.27 td_symbol_list F
+GLIBC_2.27 td_ta_clear_event F
+GLIBC_2.27 td_ta_delete F
+GLIBC_2.27 td_ta_enable_stats F
+GLIBC_2.27 td_ta_event_addr F
+GLIBC_2.27 td_ta_event_getmsg F
+GLIBC_2.27 td_ta_get_nthreads F
+GLIBC_2.27 td_ta_get_ph F
+GLIBC_2.27 td_ta_get_stats F
+GLIBC_2.27 td_ta_map_id2thr F
+GLIBC_2.27 td_ta_map_lwp2thr F
+GLIBC_2.27 td_ta_new F
+GLIBC_2.27 td_ta_reset_stats F
+GLIBC_2.27 td_ta_set_event F
+GLIBC_2.27 td_ta_setconcurrency F
+GLIBC_2.27 td_ta_thr_iter F
+GLIBC_2.27 td_ta_tsd_iter F
+GLIBC_2.27 td_thr_clear_event F
+GLIBC_2.27 td_thr_dbresume F
+GLIBC_2.27 td_thr_dbsuspend F
+GLIBC_2.27 td_thr_event_enable F
+GLIBC_2.27 td_thr_event_getmsg F
+GLIBC_2.27 td_thr_get_info F
+GLIBC_2.27 td_thr_getfpregs F
+GLIBC_2.27 td_thr_getgregs F
+GLIBC_2.27 td_thr_getxregs F
+GLIBC_2.27 td_thr_getxregsize F
+GLIBC_2.27 td_thr_set_event F
+GLIBC_2.27 td_thr_setfpregs F
+GLIBC_2.27 td_thr_setgregs F
+GLIBC_2.27 td_thr_setprio F
+GLIBC_2.27 td_thr_setsigpending F
+GLIBC_2.27 td_thr_setxregs F
+GLIBC_2.27 td_thr_sigsetmask F
+GLIBC_2.27 td_thr_tls_get_addr F
+GLIBC_2.27 td_thr_tlsbase F
+GLIBC_2.27 td_thr_tsd F
+GLIBC_2.27 td_thr_validate F
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/libutil.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/libutil.abilist
new file mode 100644
index 00000000..cbfec8d4
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libutil.abilist
@@ -0,0 +1,6 @@
+GLIBC_2.27 forkpty F
+GLIBC_2.27 login F
+GLIBC_2.27 login_tty F
+GLIBC_2.27 logout F
+GLIBC_2.27 logwtmp F
+GLIBC_2.27 openpty F
diff --git a/sysdeps/unix/sysv/linux/loongarch/makecontext.c b/sysdeps/unix/sysv/linux/loongarch/makecontext.c
new file mode 100644
index 00000000..55d509ab
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/makecontext.c
@@ -0,0 +1,78 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+#include <sys/asm.h>
+#include <sys/ucontext.h>
+#include <stdarg.h>
+#include <assert.h>
+
+void
+__makecontext (ucontext_t *ucp, void (*func) (void), int argc,
+ long int a0, long int a1, long int a2, long int a3, long int a4,
+ ...)
+{
+ extern void __start_context (void) attribute_hidden;
+ long int i, sp;
+
+ _Static_assert (LARCH_REG_NARGS == 8, "__makecontext assumes 8 argument registers");
+
+ /* Set up the stack. */
+ sp = ((long int) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size) & ALMASK;
+
+ /* Set up the register context.
+ ra = s0 = 0, terminating the stack for backtracing purposes.
+ s1 = the function we must call.
+ s2 = the subsequent context to run. */
+ ucp->uc_mcontext.__gregs[LARCH_REG_RA] = 0;
+ ucp->uc_mcontext.__gregs[LARCH_REG_S0] = 0;
+ ucp->uc_mcontext.__gregs[LARCH_REG_S1] = (long int) func;
+ ucp->uc_mcontext.__gregs[LARCH_REG_S2] = (long int) ucp->uc_link;
+ ucp->uc_mcontext.__gregs[LARCH_REG_SP] = sp;
+ ucp->uc_mcontext.__pc = (long int) &__start_context;
+
+ /* Put args in a0-a7, then put any remaining args on the stack. */
+ ucp->uc_mcontext.__gregs[LARCH_REG_A0 + 0] = a0;
+ ucp->uc_mcontext.__gregs[LARCH_REG_A0 + 1] = a1;
+ ucp->uc_mcontext.__gregs[LARCH_REG_A0 + 2] = a2;
+ ucp->uc_mcontext.__gregs[LARCH_REG_A0 + 3] = a3;
+ ucp->uc_mcontext.__gregs[LARCH_REG_A0 + 4] = a4;
+
+ if (__glibc_unlikely (argc > 5))
+ {
+ va_list vl;
+ va_start (vl, a4);
+
+ long reg_args = argc < LARCH_REG_NARGS ? argc : LARCH_REG_NARGS;
+ for (i = 5; i < reg_args; i++)
+ ucp->uc_mcontext.__gregs[LARCH_REG_A0 + i] = va_arg (vl, long);
+
+ long int stack_args = argc - reg_args;
+ if (stack_args > 0)
+ {
+ sp = (sp - stack_args * sizeof (long int)) & ALMASK;
+ ucp->uc_mcontext.__gregs[LARCH_REG_SP] = sp;
+ for (i = 0; i < stack_args; i++)
+ ((long int *) sp)[i] = va_arg (vl, long int);
+ }
+
+ va_end (vl);
+ }
+}
+
+weak_alias (__makecontext, makecontext)
diff --git a/sysdeps/unix/sysv/linux/loongarch/profil-counter.h b/sysdeps/unix/sysv/linux/loongarch/profil-counter.h
new file mode 100644
index 00000000..6a3cc201
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/profil-counter.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <signal.h>
+#include <sigcontextinfo.h>
+
+static void
+__profil_counter (int signo, const SIGCONTEXT scp)
+{
+ profil_count ((void *) GET_PC (scp));
+
+ /* This is a hack to prevent the compiler from implementing the
+ above function call as a sibcall. The sibcall would overwrite
+ the signal context. */
+ asm volatile ("");
+}
diff --git a/sysdeps/unix/sysv/linux/loongarch/pt-vfork.S b/sysdeps/unix/sysv/linux/loongarch/pt-vfork.S
new file mode 100644
index 00000000..1cc89317
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/pt-vfork.S
@@ -0,0 +1 @@
+/* Not needed. */
diff --git a/sysdeps/unix/sysv/linux/loongarch/register-dump.h b/sysdeps/unix/sysv/linux/loongarch/register-dump.h
new file mode 100644
index 00000000..5e45d5c7
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/register-dump.h
@@ -0,0 +1,63 @@
+/* Dump registers.
+ Copyright (C) 2000-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <unistd.h>
+#include <string.h>
+#include <_itoa.h>
+
+static void
+hexvalue (unsigned long int value, char *buf, size_t len)
+{
+ char *cp = _itoa_word (value, buf + len, 16, 0);
+ while (cp > buf)
+ *--cp = '0';
+}
+
+#define REGDUMP_NREGS 32
+#define REGDUMP_PER_LINE (80 / (__WORDSIZE / 4 + 4))
+
+static void
+register_dump (int fd, ucontext_t *ctx)
+{
+ int i;
+ char regvalue[__WORDSIZE / 4 + 1];
+ char str[82 * ((REGDUMP_NREGS + REGDUMP_PER_LINE - 1) / REGDUMP_PER_LINE)];
+
+ static const char names[REGDUMP_NREGS][4] = {
+ "pc", "ra", "tp", "sp", "a0", "a1", "a2", "a3",
+ "a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3",
+ "t4", "t5", "t6", "t7", "t8", "x" , "fp", "s0",
+ "s1", "s2", "s3", "s4", "s5", "s6", "s7", "s8"
+ };
+
+ str[0] = 0;
+ for (i = 0; i < REGDUMP_NREGS; i++)
+ {
+ strcat (str, names[i]);
+ strcat (str, " ");
+ hexvalue (ctx->uc_mcontext.__gregs[i], regvalue, __WORDSIZE / 4);
+ strcat (str, regvalue);
+
+ if ((i + 1) % REGDUMP_PER_LINE == 0)
+ strcat (str, "\n");
+ }
+
+ write (fd, str, strlen (str));
+}
+
+#define REGISTER_DUMP register_dump (fd, ctx)
diff --git a/sysdeps/unix/sysv/linux/loongarch/setcontext.S b/sysdeps/unix/sysv/linux/loongarch/setcontext.S
new file mode 100644
index 00000000..c96ec43c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/setcontext.S
@@ -0,0 +1,111 @@
+/* Set current context.
+ Copyright (C) 2009-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+#include "sys/regdef.h"
+#include "ucontext-macros.h"
+
+/* int __setcontext (const ucontext_t *ucp)
+
+ Restores the machine context in UCP and thereby resumes execution
+ in that context.
+
+ This implementation is intended to be used for *synchronous* context
+ switches only. Therefore, it does not have to restore anything
+ other than the PRESERVED state. */
+
+ .text
+LEAF (__setcontext)
+
+ addi.d sp, sp, -16
+ st.d a0, sp, 0 /* Save ucp to stack. */
+/* rt_sigprocmask (SIG_SETMASK, &ucp->uc_sigmask, NULL, _NSIG8) */
+ li.d a3, _NSIG8
+ li.d a2, 0
+ addi.d a1, a0, UCONTEXT_SIGMASK
+ li.d a0, SIG_SETMASK
+
+ li.d a7, SYS_ify (rt_sigprocmask)
+ syscall 0
+
+ blt a0, $r0, 99f
+
+ ld.d t0, sp, 0 /* Load ucp to t0. */
+ cfi_def_cfa (12, 0)
+
+#ifndef __loongarch_soft_float
+ ld.w t1, t0, MCONTEXT_FCSR
+
+ RESTORE_FP_REG (fs0, 24, t0)
+ RESTORE_FP_REG (fs1, 25, t0)
+ RESTORE_FP_REG (fs2, 26, t0)
+ RESTORE_FP_REG (fs3, 27, t0)
+ RESTORE_FP_REG (fs4, 28, t0)
+ RESTORE_FP_REG (fs5, 29, t0)
+ RESTORE_FP_REG (fs6, 30, t0)
+ RESTORE_FP_REG (fs7, 31, t0)
+
+ movgr2fcsr $r0, t1
+#endif /* __loongarch_soft_float */
+
+ /* Note the contents of argument registers will be random
+ unless makecontext() has been called. */
+ RESTORE_INT_REG (ra, 1, t0)
+ RESTORE_INT_REG (sp, 3, t0)
+ RESTORE_INT_REG (a0, 4, t0)
+ RESTORE_INT_REG (a1, 5, t0)
+ RESTORE_INT_REG (a2, 6, t0)
+ RESTORE_INT_REG (a3, 7, t0)
+ RESTORE_INT_REG (a4, 8, t0)
+ RESTORE_INT_REG (a5, 9, t0)
+ RESTORE_INT_REG (a6, 10, t0)
+ RESTORE_INT_REG (a7, 11, t0)
+ RESTORE_INT_REG (x, 21, t0)
+ RESTORE_INT_REG (fp, 22, t0)
+ RESTORE_INT_REG (s0, 23, t0)
+ RESTORE_INT_REG (s1, 24, t0)
+ RESTORE_INT_REG (s2, 25, t0)
+ RESTORE_INT_REG (s3, 26, t0)
+ RESTORE_INT_REG (s4, 27, t0)
+ RESTORE_INT_REG (s5, 28, t0)
+ RESTORE_INT_REG (s6, 29, t0)
+ RESTORE_INT_REG (s7, 30, t0)
+ RESTORE_INT_REG (s8, 31, t0)
+ ld.d t1, t0, MCONTEXT_PC
+ jirl $r0,t1,0
+
+99:
+ addi.d sp, sp, 16
+ b __syscall_error
+
+PSEUDO_END (__setcontext)
+weak_alias (__setcontext, setcontext)
+
+LEAF (__start_context)
+
+ /* Terminate call stack by noting ra == 0. Happily, s0 == 0 here. */
+ cfi_register (1, 23)
+
+ /* Call the function passed to makecontext. */
+ jirl $r1,s1,0
+
+ /* Invoke subsequent context if present, else exit(0). */
+ ori a0, s2, 0
+ beqz s2, 1f
+ bl __setcontext
+1: b exit
+
+PSEUDO_END (__start_context)
diff --git a/sysdeps/unix/sysv/linux/loongarch/shlib-versions b/sysdeps/unix/sysv/linux/loongarch/shlib-versions
new file mode 100644
index 00000000..2a67fe71
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/shlib-versions
@@ -0,0 +1,2 @@
+DEFAULT GLIBC_2.27
+libpthread=0 GLIBC_2.0 GLIBC_2.2
diff --git a/sysdeps/unix/sysv/linux/loongarch/sigcontextinfo.h b/sysdeps/unix/sysv/linux/loongarch/sigcontextinfo.h
new file mode 100644
index 00000000..2a864795
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/sigcontextinfo.h
@@ -0,0 +1,22 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sys/ucontext.h>
+
+#define SIGCONTEXT siginfo_t *_si, ucontext_t *
+#define GET_PC(ctx) ((void *) ctx->uc_mcontext.__pc)
diff --git a/sysdeps/unix/sysv/linux/loongarch/swapcontext.S b/sysdeps/unix/sysv/linux/loongarch/swapcontext.S
new file mode 100644
index 00000000..d839dd87
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/swapcontext.S
@@ -0,0 +1,120 @@
+/* Save and set current context.
+ Copyright (C) 2009-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include "ucontext-macros.h"
+
+/* int swapcontext (ucontext_t *oucp, const ucontext_t *ucp) */
+
+LEAF (__swapcontext)
+ ori a2, sp, 0 /* Save sp to a2. */
+ addi.d sp, sp, -16
+ st.d a1, sp, 0
+ ori t0, a1, 0
+
+ SAVE_INT_REG (ra, 1, a0)
+ SAVE_INT_REG (a2, 3, a0) /* Store sp .*/
+ SAVE_INT_REG (zero, 4, a0) /* return 0 by overwriting a0. */
+ SAVE_INT_REG (x, 21, a0)
+ SAVE_INT_REG (fp, 22, a0)
+ SAVE_INT_REG (s0, 23, a0)
+ SAVE_INT_REG (s1, 24, a0)
+ SAVE_INT_REG (s2, 25, a0)
+ SAVE_INT_REG (s3, 26, a0)
+ SAVE_INT_REG (s4, 27, a0)
+ SAVE_INT_REG (s5, 28, a0)
+ SAVE_INT_REG (s6, 29, a0)
+ SAVE_INT_REG (s7, 30, a0)
+ SAVE_INT_REG (s8, 31, a0)
+ st.d ra, a0, MCONTEXT_PC
+#ifndef __loongarch_soft_float
+ movfcsr2gr a1, $r0
+
+ SAVE_FP_REG (fs0, 24, a0)
+ SAVE_FP_REG (fs1, 25, a0)
+ SAVE_FP_REG (fs2, 26, a0)
+ SAVE_FP_REG (fs3, 27, a0)
+ SAVE_FP_REG (fs4, 28, a0)
+ SAVE_FP_REG (fs5, 29, a0)
+ SAVE_FP_REG (fs6, 30, a0)
+ SAVE_FP_REG (fs7, 31, a0)
+
+ st.w a1, a0, MCONTEXT_FCSR
+#endif /* __loongarch_soft_float */
+
+/* rt_sigprocmask (SIG_SETMASK, &ucp->uc_sigmask, &oucp->uc_sigmask, _NSIG8) */
+ li.d a3, _NSIG8
+ addi.d a2, a0, UCONTEXT_SIGMASK
+ addi.d a1, t0, UCONTEXT_SIGMASK
+ li.d a0, SIG_SETMASK
+
+ li.d a7, SYS_ify (rt_sigprocmask)
+ syscall 0
+
+ blt a0, zero, 99f
+
+#ifndef __loongarch_soft_float
+ ld.d t0, sp, 0 /* Load a1 to t0. */
+ ld.w t1, t0, MCONTEXT_FCSR
+
+ RESTORE_FP_REG (fs0, 24, t0)
+ RESTORE_FP_REG (fs1, 25, t0)
+ RESTORE_FP_REG (fs2, 26, t0)
+ RESTORE_FP_REG (fs3, 27, t0)
+ RESTORE_FP_REG (fs4, 28, t0)
+ RESTORE_FP_REG (fs5, 29, t0)
+ RESTORE_FP_REG (fs6, 30, t0)
+ RESTORE_FP_REG (fs7, 31, t0)
+
+ movgr2fcsr $r0, t1
+#endif /* __loongarch_soft_float */
+
+ /* Note the contents of argument registers will be random
+ unless makecontext() has been called. */
+ RESTORE_INT_REG (ra, 1, t0)
+ RESTORE_INT_REG (sp, 3, t0)
+ RESTORE_INT_REG (a0, 4, t0)
+ RESTORE_INT_REG (a1, 5, t0)
+ RESTORE_INT_REG (a2, 6, t0)
+ RESTORE_INT_REG (a3, 7, t0)
+ RESTORE_INT_REG (a4, 8, t0)
+ RESTORE_INT_REG (a5, 9, t0)
+ RESTORE_INT_REG (a6, 10, t0)
+ RESTORE_INT_REG (a7, 11, t0)
+ RESTORE_INT_REG (x, 21, t0)
+ RESTORE_INT_REG (fp, 22, t0)
+ RESTORE_INT_REG (s0, 23, t0)
+ RESTORE_INT_REG (s1, 24, t0)
+ RESTORE_INT_REG (s2, 25, t0)
+ RESTORE_INT_REG (s3, 26, t0)
+ RESTORE_INT_REG (s4, 27, t0)
+ RESTORE_INT_REG (s5, 28, t0)
+ RESTORE_INT_REG (s6, 29, t0)
+ RESTORE_INT_REG (s7, 30, t0)
+ RESTORE_INT_REG (s8, 31, t0)
+ ld.d t1, t0, MCONTEXT_PC
+
+ jirl $r0, t1, 0
+
+
+99:
+ addi.d sp, sp, 16
+ b __syscall_error
+
+PSEUDO_END (__swapcontext)
+
+weak_alias (__swapcontext, swapcontext)
diff --git a/sysdeps/unix/sysv/linux/loongarch/sys/procfs.h b/sysdeps/unix/sysv/linux/loongarch/sys/procfs.h
new file mode 100644
index 00000000..9ae06b40
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/sys/procfs.h
@@ -0,0 +1,122 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _SYS_PROCFS_H
+#define _SYS_PROCFS_H 1
+
+/* This is somehow modelled after the file of the same name on SysVr4
+ systems. It provides a definition of the core file format for ELF
+ used on Linux. */
+
+#include <features.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/user.h>
+#include <sys/ucontext.h>
+
+__BEGIN_DECLS
+
+/* Type for a general-purpose register. */
+typedef uint64_t elf_greg_t;
+
+/* And the whole bunch of them. We could have used `struct
+ pt_regs' directly in the typedef, but tradition says that
+ the register set is an array, which does have some peculiar
+ semantics, so leave it that way. */
+#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+#define ELF_NFPREG 34 /* 32 FPRs + 8-byte byte-vec for fcc + 4-byte FCR */
+typedef union { double d; float f; } elf_fpreg_t;
+typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
+
+typedef union { double d[2]; float f[4]; } __attribute__((__aligned__ (16))) elf_lsxregset_t[32];
+typedef union { double d[4]; float f[8]; } __attribute__((__aligned__ (32))) elf_lasxregset_t[32];
+
+struct elf_siginfo
+ {
+ int si_signo; /* Signal number. */
+ int si_code; /* Extra code. */
+ int si_errno; /* Errno. */
+ };
+
+/* Definitions to generate Intel SVR4-like core files. These mostly
+ have the same names as the SVR4 types with "elf_" tacked on the
+ front to prevent clashes with linux definitions, and the typedef
+ forms have been avoided. This is mostly like the SVR4 structure,
+ but more Linuxy, with things that Linux does not support and which
+ gdb doesn't really use excluded. Fields present but not used are
+ marked with "XXX". */
+struct elf_prstatus
+ {
+ struct elf_siginfo pr_info; /* Info associated with signal. */
+ short int pr_cursig; /* Current signal. */
+ unsigned long int pr_sigpend; /* Set of pending signals. */
+ unsigned long int pr_sighold; /* Set of held signals. */
+ __pid_t pr_pid;
+ __pid_t pr_ppid;
+ __pid_t pr_pgrp;
+ __pid_t pr_sid;
+ struct timeval pr_utime; /* User time. */
+ struct timeval pr_stime; /* System time. */
+ struct timeval pr_cutime; /* Cumulative user time. */
+ struct timeval pr_cstime; /* Cumulative system time. */
+ elf_gregset_t pr_reg; /* GP registers. */
+ int pr_fpvalid; /* True if math copro being used. */
+ };
+
+
+#define ELF_PRARGSZ (80) /* Number of chars for args */
+
+struct elf_prpsinfo
+ {
+ char pr_state; /* Numeric process state. */
+ char pr_sname; /* Char for pr_state. */
+ char pr_zomb; /* Zombie. */
+ char pr_nice; /* Nice val. */
+ unsigned long int pr_flag; /* Flags. */
+ unsigned int pr_uid;
+ unsigned int pr_gid;
+ int pr_pid, pr_ppid, pr_pgrp, pr_sid;
+ /* Lots missing */
+ char pr_fname[16]; /* Filename of executable. */
+ char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */
+ };
+
+/* The rest of this file provides the types for emulation of the
+ Solaris <proc_service.h> interfaces that should be implemented by
+ users of libthread_db. */
+
+/* Addresses. */
+typedef void *psaddr_t;
+
+/* Register sets. Linux has different names. */
+typedef elf_gregset_t prgregset_t;
+typedef elf_fpregset_t prfpregset_t;
+
+/* We don't have any differences between processes and threads,
+ therefore habe only ine PID type. */
+typedef __pid_t lwpid_t;
+
+/* Process status and info. In the end we do provide typedefs for them. */
+typedef struct elf_prstatus prstatus_t;
+typedef struct elf_prpsinfo prpsinfo_t;
+
+__END_DECLS
+
+#endif /* sys/procfs.h */
diff --git a/sysdeps/unix/sysv/linux/loongarch/sys/ucontext.h b/sysdeps/unix/sysv/linux/loongarch/sys/ucontext.h
new file mode 100644
index 00000000..e52a46c9
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/sys/ucontext.h
@@ -0,0 +1,81 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* Don't rely on this, the interface is currently messed up and may need to
+ be broken to be fixed. */
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H 1
+
+#include <features.h>
+
+#include <bits/types/sigset_t.h>
+#include <bits/types/stack_t.h>
+
+typedef unsigned long int __loongarch_mc_gp_state[32];
+
+#ifdef __USE_MISC
+# define LARCH_NGREG 32
+
+# define LARCH_REG_RA 1
+# define LARCH_REG_SP 3
+# define LARCH_REG_S0 23
+# define LARCH_REG_S1 24
+# define LARCH_REG_A0 4
+# define LARCH_REG_S2 25
+# define LARCH_REG_NARGS 8
+
+typedef unsigned long int greg_t;
+
+/* Container for all general registers. */
+typedef __loongarch_mc_gp_state gregset_t;
+
+/* Container for floating-point state. */
+typedef union __loongarch_mc_fp_state fpregset_t;
+#endif
+
+
+
+union __loongarch_mc_fp_state {
+ unsigned int __val32[256 / 32];
+ unsigned long long __val64[256 / 64];
+};
+
+typedef struct mcontext_t {
+ unsigned long long __pc;
+ unsigned long long __gregs[32];
+ unsigned int __flags;
+
+ unsigned int __fcsr;
+ unsigned int __vcsr;
+ unsigned long long __fcc;
+ union __loongarch_mc_fp_state __fpregs[32] __attribute__((__aligned__ (32)));
+
+ unsigned int __reserved;
+} mcontext_t;
+
+/* Userlevel context. */
+typedef struct ucontext_t
+ {
+ unsigned long int __uc_flags;
+ struct ucontext_t *uc_link;
+ stack_t uc_stack;
+ mcontext_t uc_mcontext;
+ sigset_t uc_sigmask;
+ } ucontext_t;
+
+#endif /* sys/ucontext.h */
diff --git a/sysdeps/unix/sysv/linux/loongarch/sys/user.h b/sysdeps/unix/sysv/linux/loongarch/sys/user.h
new file mode 100644
index 00000000..f9108350
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/sys/user.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 2001-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _SYS_USER_H
+#define _SYS_USER_H 1
+
+#include <stdint.h>
+
+struct user_regs_struct
+{
+ uint64_t gpr[32];
+ uint64_t pc;
+ uint64_t badvaddr;
+ uint64_t reserved[11];
+};
+
+#endif /* _SYS_USER_H */
diff --git a/sysdeps/unix/sysv/linux/loongarch/syscall.c b/sysdeps/unix/sysv/linux/loongarch/syscall.c
new file mode 100644
index 00000000..b06a528e
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/syscall.c
@@ -0,0 +1,36 @@
+/* Copyright (C) 2020-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+
+long int
+syscall (long int syscall_number, long int arg1, long int arg2, long int arg3,
+ long int arg4, long int arg5, long int arg6, long int arg7)
+{
+ long int ret;
+ INTERNAL_SYSCALL_DECL (err);
+
+ ret = INTERNAL_SYSCALL_NCS (syscall_number, err, 7, arg1, arg2, arg3, arg4,
+ arg5, arg6, arg7);
+
+ if (INTERNAL_SYSCALL_ERROR_P (ret, err))
+ return __syscall_error (ret);
+
+ return ret;
+}
+
diff --git a/sysdeps/unix/sysv/linux/loongarch/sysdep.S b/sysdeps/unix/sysv/linux/loongarch/sysdep.S
new file mode 100644
index 00000000..a8094283
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/sysdep.S
@@ -0,0 +1,52 @@
+/* syscall error handlers
+ Copyright (C) 2011-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+
+#if IS_IN (libc)
+# define errno __libc_errno
+#endif
+
+ENTRY (__syscall_error)
+ /* Fall through to __syscall_set_errno. */
+END (__syscall_error)
+
+/* Non-standard calling convention: argument in a0, return address in t0,
+ and clobber only t1. */
+ENTRY (__syscall_set_errno)
+ /* We got here because a0 < 0, but only codes in the range [-4095, -1]
+ represent errors. Otherwise, just return the result normally. */
+
+ li.d t1, -4096
+ bgeu t1, a0, L (out)
+ sub.w a0, zero, a0
+
+#if RTLD_PRIVATE_ERRNO
+ la t1, rtld_errno
+#elif defined(__PIC__)
+ la.tls.ie t1, errno
+ add.d t1, tp, t1
+#else
+ la.tls.le t1, errno
+ add.d t1, tp, t1
+#endif
+ st.w a0, t1, 0
+ li.d a0, -1
+L (out):
+ ret
+END (__syscall_set_errno)
diff --git a/sysdeps/unix/sysv/linux/loongarch/sysdep.h b/sysdeps/unix/sysv/linux/loongarch/sysdep.h
new file mode 100644
index 00000000..f50946d4
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/sysdep.h
@@ -0,0 +1,333 @@
+#ifndef _LINUX_LOONGARCH_SYSDEP_H
+#define _LINUX_LOONGARCH_SYSDEP_H 1
+
+#include <sysdeps/unix/sysv/linux/generic/sysdep.h>
+#include <tls.h>
+
+#ifdef __ASSEMBLER__
+
+# include <sys/asm.h>
+# define ret jirl zero, ra, 0
+# define L(label) .L ## label
+
+/* Performs a system call, handling errors by setting errno. Linux indicates
+ errors by setting a0 to a value between -1 and -4095. */
+# undef PSEUDO
+# define PSEUDO(name, syscall_name, args) \
+ ENTRY (name); \
+ li.d a7, SYS_ify (syscall_name); \
+ syscall 0; \
+ li.d a7, -4096; \
+ bltu a7, a0, .Lsyscall_error ## name;
+
+# undef PSEUDO_END
+# define PSEUDO_END(sym) \
+ SYSCALL_ERROR_HANDLER (sym); \
+ ret; \
+ END (sym);
+
+# if !IS_IN (libc)
+# if RTLD_PRIVATE_ERRNO
+
+# define SYSCALL_ERROR_HANDLER(name) \
+.Lsyscall_error ## name: \
+ la t0, rtld_errno; \
+ sub.w a0, zero, a0; \
+ st.w a0, t0, 0; \
+ li.d a0, -1;
+
+# else
+
+# define SYSCALL_ERROR_HANDLER(name) \
+.Lsyscall_error ## name: \
+ la.tls.ie t0, errno; \
+ add.d t0, tp, t0; \
+ sub.w a0, zero, a0; \
+ st.w a0, t0, 0; \
+ li.d a0, -1;
+
+# endif
+# else
+
+# define SYSCALL_ERROR_HANDLER(name) \
+.Lsyscall_error ## name: \
+ b __syscall_error;
+
+# endif
+
+/* Performs a system call, not setting errno. */
+# undef PSEUDO_NEORRNO
+# define PSEUDO_NOERRNO(name, syscall_name, args) \
+ ENTRY (name); \
+ li.d a7, SYS_ify (syscall_name); \
+ syscall 0;
+
+# undef PSEUDO_END_NOERRNO
+# define PSEUDO_END_NOERRNO(name) \
+ END (name);
+
+# undef ret_NOERRNO
+# define ret_NOERRNO ret
+
+/* Perfroms a system call, returning the error code. */
+# undef PSEUDO_ERRVAL
+# define PSEUDO_ERRVAL(name, syscall_name, args) \
+ PSEUDO_NOERRNO (name, syscall_name, args); \
+ slli.d a0, a0, 32; \
+ srai.d a0, a0, 32; /* sign_ext */ \
+ sub.d a0, zero, a0;
+
+# undef PSEUDO_END_ERRVAL
+# define PSEUDO_END_ERRVAL(name) \
+ END (name);
+
+# undef ret_ERRVAL
+# define ret_ERRVAL ret
+
+#endif /* __ASSEMBLER__ */
+
+/* In order to get __set_errno() definition in INLINE_SYSCALL. */
+#ifndef __ASSEMBLER__
+# include <errno.h>
+#endif
+
+#include <sysdeps/unix/sysdep.h>
+
+#undef SYS_ify
+#define SYS_ify(syscall_name) __NR_##syscall_name
+
+#ifndef __ASSEMBLER__
+
+/* List of system calls which are supported as vsyscalls. */
+# define HAVE_CLOCK_GETRES_VSYSCALL 1
+# define HAVE_CLOCK_GETTIME_VSYSCALL 1
+# define HAVE_GETTIMEOFDAY_VSYSCALL 1
+# define HAVE_GETCPU_VSYSCALL 1
+
+/* Define a macro which expands into the inline wrapper code for a system
+ call. */
+# undef INLINE_SYSCALL
+# define INLINE_SYSCALL(name, nr, args...) \
+ ({ INTERNAL_SYSCALL_DECL (err); \
+ long int __sys_result = INTERNAL_SYSCALL (name, err, nr, args); \
+ if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (__sys_result, ))) \
+ { \
+ __set_errno (INTERNAL_SYSCALL_ERRNO (__sys_result, )); \
+ __sys_result = (unsigned long) -1; \
+ } \
+ __sys_result; })
+
+
+# define INTERNAL_SYSCALL_DECL(err) do { } while (0)
+
+# define INTERNAL_SYSCALL_ERROR_P(val, err) \
+ ((unsigned long int) (val) > -4096UL)
+
+# define INTERNAL_SYSCALL_ERRNO(val, err) (-(val))
+
+# define INTERNAL_SYSCALL(name, err, nr, args...) \
+ internal_syscall##nr (SYS_ify (name), err, args)
+
+# define INTERNAL_SYSCALL_NCS(number, err, nr, args...) \
+ internal_syscall##nr (number, err, args)
+
+# define internal_syscall0(number, err, dummy...) \
+({ \
+ long int _sys_result; \
+ \
+ { \
+ register long int __a7 asm ("$a7") = number; \
+ register long int __a0 asm ("$a0"); \
+ __asm__ volatile ( \
+ "syscall 0\n\t" \
+ : "=r" (__a0) \
+ : "r" (__a7) \
+ : __SYSCALL_CLOBBERS); \
+ _sys_result = __a0; \
+ } \
+ _sys_result; \
+})
+
+# define internal_syscall1(number, err, arg0) \
+({ \
+ long int _sys_result; \
+ \
+ { \
+ long int _arg0 = (long int) (arg0); \
+ register long int __a7 asm ("$a7") = number; \
+ register long int __a0 asm ("$a0") = _arg0; \
+ __asm__ volatile ( \
+ "syscall 0\n\t" \
+ : "+r" (__a0) \
+ : "r" (__a7) \
+ : __SYSCALL_CLOBBERS); \
+ _sys_result = __a0; \
+ } \
+ _sys_result; \
+})
+
+# define internal_syscall2(number, err, arg0, arg1) \
+({ \
+ long int _sys_result; \
+ \
+ { \
+ long int _arg0 = (long int) (arg0); \
+ long int _arg1 = (long int) (arg1); \
+ register long int __a7 asm ("$a7") = number; \
+ register long int __a0 asm ("$a0") = _arg0; \
+ register long int __a1 asm ("$a1") = _arg1; \
+ __asm__ volatile ( \
+ "syscall 0\n\t" \
+ : "+r" (__a0) \
+ : "r" (__a7), "r" (__a1) \
+ : __SYSCALL_CLOBBERS); \
+ _sys_result = __a0; \
+ } \
+ _sys_result; \
+})
+
+# define internal_syscall3(number, err, arg0, arg1, arg2) \
+({ \
+ long int _sys_result; \
+ \
+ { \
+ long int _arg0 = (long int) (arg0); \
+ long int _arg1 = (long int) (arg1); \
+ long int _arg2 = (long int) (arg2); \
+ register long int __a7 asm ("$a7") = number; \
+ register long int __a0 asm ("$a0") = _arg0; \
+ register long int __a1 asm ("$a1") = _arg1; \
+ register long int __a2 asm ("$a2") = _arg2; \
+ __asm__ volatile ( \
+ "syscall 0\n\t" \
+ : "+r" (__a0) \
+ : "r" (__a7), "r" (__a1), "r" (__a2) \
+ : __SYSCALL_CLOBBERS); \
+ _sys_result = __a0; \
+ } \
+ _sys_result; \
+})
+
+# define internal_syscall4(number, err, arg0, arg1, arg2, arg3) \
+({ \
+ long int _sys_result; \
+ \
+ { \
+ long int _arg0 = (long int) (arg0); \
+ long int _arg1 = (long int) (arg1); \
+ long int _arg2 = (long int) (arg2); \
+ long int _arg3 = (long int) (arg3); \
+ register long int __a7 asm ("$a7") = number; \
+ register long int __a0 asm ("$a0") = _arg0; \
+ register long int __a1 asm ("$a1") = _arg1; \
+ register long int __a2 asm ("$a2") = _arg2; \
+ register long int __a3 asm ("$a3") = _arg3; \
+ __asm__ volatile ( \
+ "syscall 0\n\t" \
+ : "+r" (__a0) \
+ : "r" (__a7), "r" (__a1), "r" (__a2), "r" (__a3) \
+ : __SYSCALL_CLOBBERS); \
+ _sys_result = __a0; \
+ } \
+ _sys_result; \
+})
+
+# define internal_syscall5(number, err, arg0, arg1, arg2, arg3, arg4) \
+({ \
+ long int _sys_result; \
+ \
+ { \
+ long int _arg0 = (long int) (arg0); \
+ long int _arg1 = (long int) (arg1); \
+ long int _arg2 = (long int) (arg2); \
+ long int _arg3 = (long int) (arg3); \
+ long int _arg4 = (long int) (arg4); \
+ register long int __a7 asm ("$a7") = number; \
+ register long int __a0 asm ("$a0") = _arg0; \
+ register long int __a1 asm ("$a1") = _arg1; \
+ register long int __a2 asm ("$a2") = _arg2; \
+ register long int __a3 asm ("$a3") = _arg3; \
+ register long int __a4 asm ("$a4") = _arg4; \
+ __asm__ volatile ( \
+ "syscall 0\n\t" \
+ : "+r" (__a0) \
+ : "r" (__a7), "r"(__a1), "r"(__a2), "r"(__a3), "r" (__a4) \
+ : __SYSCALL_CLOBBERS); \
+ _sys_result = __a0; \
+ } \
+ _sys_result; \
+})
+
+# define internal_syscall6(number, err, arg0, arg1, arg2, arg3, arg4, arg5) \
+({ \
+ long int _sys_result; \
+ \
+ { \
+ long int _arg0 = (long int) (arg0); \
+ long int _arg1 = (long int) (arg1); \
+ long int _arg2 = (long int) (arg2); \
+ long int _arg3 = (long int) (arg3); \
+ long int _arg4 = (long int) (arg4); \
+ long int _arg5 = (long int) (arg5); \
+ register long int __a7 asm ("$a7") = number; \
+ register long int __a0 asm ("$a0") = _arg0; \
+ register long int __a1 asm ("$a1") = _arg1; \
+ register long int __a2 asm ("$a2") = _arg2; \
+ register long int __a3 asm ("$a3") = _arg3; \
+ register long int __a4 asm ("$a4") = _arg4; \
+ register long int __a5 asm ("$a5") = _arg5; \
+ __asm__ volatile ( \
+ "syscall 0\n\t" \
+ : "+r" (__a0) \
+ : "r" (__a7), "r" (__a1), "r" (__a2), "r" (__a3), \
+ "r" (__a4), "r" (__a5) \
+ : __SYSCALL_CLOBBERS); \
+ _sys_result = __a0; \
+ } \
+ _sys_result; \
+})
+
+# define internal_syscall7(number, err, arg0, arg1, arg2, arg3, arg4, arg5, arg6) \
+({ \
+ long int _sys_result; \
+ \
+ { \
+ long int _arg0 = (long int) (arg0); \
+ long int _arg1 = (long int) (arg1); \
+ long int _arg2 = (long int) (arg2); \
+ long int _arg3 = (long int) (arg3); \
+ long int _arg4 = (long int) (arg4); \
+ long int _arg5 = (long int) (arg5); \
+ long int _arg6 = (long int) (arg6); \
+ register long int __a7 asm ("$a7") = number; \
+ register long int __a0 asm ("$a0") = _arg0; \
+ register long int __a1 asm ("$a1") = _arg1; \
+ register long int __a2 asm ("$a2") = _arg2; \
+ register long int __a3 asm ("$a3") = _arg3; \
+ register long int __a4 asm ("$a4") = _arg4; \
+ register long int __a5 asm ("$a5") = _arg5; \
+ register long int __a6 asm ("$a6") = _arg6; \
+ __asm__ volatile ( \
+ "syscall 0\n\t" \
+ : "+r" (__a0) \
+ : "r" (__a7), "r" (__a1), "r" (__a2), "r" (__a3), \
+ "r" (__a4), "r" (__a5), "r" (__a6) \
+ : __SYSCALL_CLOBBERS); \
+ _sys_result = __a0; \
+ } \
+ _sys_result; \
+})
+
+# define __SYSCALL_CLOBBERS \
+ "$t0", "$t1", "$t2", "$t3", "$t4", "$t5", "$t6", "$t7", "$t8",\
+ "memory"
+
+extern long int __syscall_error (long int neg_errno);
+
+#endif /* ! __ASSEMBLER__ */
+
+/* Pointer mangling is not supported. */
+#define PTR_MANGLE(var) (void) (var)
+#define PTR_DEMANGLE(var) (void) (var)
+
+#endif /* linux/loongarch/sysdep.h */
diff --git a/sysdeps/unix/sysv/linux/loongarch/ucontext-macros.h b/sysdeps/unix/sysv/linux/loongarch/ucontext-macros.h
new file mode 100644
index 00000000..abd22247
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/ucontext-macros.h
@@ -0,0 +1,44 @@
+/* Macros for ucontext routines.
+ Copyright (C) 2017-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _LINUX_LOONGARCH_UCONTEXT_MACROS_H
+#define _LINUX_LOONGARCH_UCONTEXT_MACROS_H
+
+#include <sysdep.h>
+#include <sys/asm.h>
+
+#include "ucontext_i.h"
+
+#define SAVE_FP_REG(name, num, base) \
+ FREG_S name, base, ((num) * SZFREG + MCONTEXT_FPREGS)
+
+#define RESTORE_FP_REG(name, num, base) \
+ FREG_L name, base, ((num) * SZFREG + MCONTEXT_FPREGS)
+
+#define SAVE_INT_REG(name, num, base) \
+ REG_S name, base, ((num) * SZREG + MCONTEXT_GREGS)
+
+#define RESTORE_INT_REG(name, num, base) \
+ REG_L name, base, ((num) * SZREG + MCONTEXT_GREGS)
+
+#define SAVE_REG(name, offset, base) \
+ REG_S name, base, (offset)
+
+#define RESTORE_REG(name, offset, base) \
+ REG_L name, base, (offset)
+#endif /* _LINUX_LOONGARCH_UCONTEXT_MACROS_H */
diff --git a/sysdeps/unix/sysv/linux/loongarch/ucontext_i.sym b/sysdeps/unix/sysv/linux/loongarch/ucontext_i.sym
new file mode 100644
index 00000000..d7f612fe
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/ucontext_i.sym
@@ -0,0 +1,33 @@
+#include <inttypes.h>
+#include <signal.h>
+#include <stddef.h>
+#include <sys/ucontext.h>
+
+-- Constants used by the rt_sigprocmask call.
+
+SIG_BLOCK
+SIG_SETMASK
+
+_NSIG8 (_NSIG / 8)
+
+-- Offsets of the fields in the ucontext_t structure.
+#define ucontext(member) offsetof (ucontext_t, member)
+#define stack(member) ucontext (uc_stack.member)
+#define mcontext(member) ucontext (uc_mcontext.member)
+
+UCONTEXT_FLAGS ucontext (__uc_flags)
+UCONTEXT_LINK ucontext (uc_link)
+UCONTEXT_STACK ucontext (uc_stack)
+UCONTEXT_MCONTEXT ucontext (uc_mcontext)
+UCONTEXT_SIGMASK ucontext (uc_sigmask)
+
+STACK_SP stack (ss_sp)
+STACK_SIZE stack (ss_size)
+STACK_FLAGS stack (ss_flags)
+
+MCONTEXT_PC mcontext (__pc)
+MCONTEXT_FCSR mcontext (__fcsr)
+MCONTEXT_GREGS mcontext (__gregs)
+MCONTEXT_FPREGS mcontext (__fpregs)
+
+UCONTEXT_SIZE sizeof (ucontext_t)
diff --git a/sysdeps/unix/sysv/linux/loongarch/vfork.S b/sysdeps/unix/sysv/linux/loongarch/vfork.S
new file mode 100644
index 00000000..83cf141f
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/loongarch/vfork.S
@@ -0,0 +1,49 @@
+/* Copyright (C) 1999-2018 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+#define _ERRNO_H 1
+#include <bits/errno.h>
+
+/* Clone the calling process, but without copying the whole address space.
+ The calling process is suspended until the new process exits or is
+ replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
+ and the process ID of the new process to the old process. */
+
+ENTRY (__vfork)
+
+
+ li.d a0, 0x4111 /* CLONE_VM | CLONE_VFORK | SIGCHLD */
+ add.d a1, zero, sp
+
+ /* Do the system call. */
+ li.d a7, __NR_clone
+ syscall 0
+
+ blt a0, zero ,L (error)
+
+ ret
+
+L (error):
+ b __syscall_error
+ END (__vfork)
+
+libc_hidden_def (__vfork)
+
+weak_alias (__vfork, vfork)
+strong_alias (__vfork, __libc_vfork)
--
2.20.1
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