import glibc-2.28-101.el8.src.rpm
Signed-off-by: zhangbinchen <zhangbinchen@openanolis.org>
This commit is contained in:
zhangbinchen
commit
ba6a26df65
268 changed files with 59851 additions and 0 deletions
263
glibc-rh1659438-14.patch
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263
glibc-rh1659438-14.patch
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commit 8c25dddd2e32bce47dfe01ca51c8aab535dbe23d
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Author: Stefan Liebler <stli@linux.ibm.com>
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Date: Tue Dec 18 13:57:09 2018 +0100
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S390: Add z13 strstr ifunc variant.
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The new vector variant of strstr is using the common code
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implementation, but instead of calling the default
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str* / mem* functions, the vector variants are called.
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ChangeLog:
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* sysdeps/s390/Makefile (sysdep_routines): Add strstr variants.
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* sysdeps/s390/multiarch/ifunc-impl-list.c
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(__libc_ifunc_impl_list): Add ifunc variants for strstr.
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* sysdeps/s390/ifunc-strstr.h: New file.
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* sysdeps/s390/strstr.c: Likewise.
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* sysdeps/s390/strstr-c.c: Likewise.
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* sysdeps/s390/strstr-vx.c: Likewise.
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diff --git a/sysdeps/s390/Makefile b/sysdeps/s390/Makefile
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index 3a7cccdf8f147398..4441e7a5cf6fa167 100644
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--- a/sysdeps/s390/Makefile
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+++ b/sysdeps/s390/Makefile
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@@ -34,5 +34,6 @@ ifeq ($(subdir),string)
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sysdep_routines += bzero memset memset-z900 \
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memcmp memcmp-z900 \
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mempcpy memcpy memcpy-z900 \
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- memmove memmove-c
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+ memmove memmove-c \
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+ strstr strstr-vx strstr-c
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endif
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diff --git a/sysdeps/s390/ifunc-strstr.h b/sysdeps/s390/ifunc-strstr.h
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new file mode 100644
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index 0000000000000000..e6ccfd4e44a1a790
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--- /dev/null
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+++ b/sysdeps/s390/ifunc-strstr.h
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@@ -0,0 +1,52 @@
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+/* strstr variant information on S/390 version.
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+ Copyright (C) 2018 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+#if defined USE_MULTIARCH && IS_IN (libc) \
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+ && ! defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
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+# define HAVE_STRSTR_IFUNC 1
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+#else
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+# define HAVE_STRSTR_IFUNC 0
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+#endif
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+
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+#ifdef HAVE_S390_VX_ASM_SUPPORT
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+# define HAVE_STRSTR_IFUNC_AND_VX_SUPPORT HAVE_STRSTR_IFUNC
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+#else
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+# define HAVE_STRSTR_IFUNC_AND_VX_SUPPORT 0
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+#endif
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+
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+#if defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
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+# define STRSTR_DEFAULT STRSTR_Z13
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+# define HAVE_STRSTR_C 0
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+# define HAVE_STRSTR_Z13 1
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+#else
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+# define STRSTR_DEFAULT STRSTR_C
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+# define HAVE_STRSTR_C 1
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+# define HAVE_STRSTR_Z13 HAVE_STRSTR_IFUNC_AND_VX_SUPPORT
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+#endif
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+
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+#if HAVE_STRSTR_C
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+# define STRSTR_C __strstr_c
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+#else
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+# define STRSTR_C NULL
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+#endif
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+
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+#if HAVE_STRSTR_Z13
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+# define STRSTR_Z13 __strstr_vx
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+#else
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+# define STRSTR_Z13 NULL
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+#endif
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diff --git a/sysdeps/s390/multiarch/ifunc-impl-list.c b/sysdeps/s390/multiarch/ifunc-impl-list.c
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index c05c63e00608dcd7..14727f8fef5431dd 100644
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--- a/sysdeps/s390/multiarch/ifunc-impl-list.c
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+++ b/sysdeps/s390/multiarch/ifunc-impl-list.c
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@@ -24,6 +24,7 @@
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#include <ifunc-memset.h>
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#include <ifunc-memcmp.h>
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#include <ifunc-memcpy.h>
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+#include <ifunc-strstr.h>
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/* Maximum number of IFUNC implementations. */
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#define MAX_IFUNC 3
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@@ -138,6 +139,18 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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)
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#endif /* HAVE_MEMMOVE_IFUNC */
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+#if HAVE_STRSTR_IFUNC
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+ IFUNC_IMPL (i, name, strstr,
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+# if HAVE_STRSTR_Z13
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+ IFUNC_IMPL_ADD (array, i, strstr,
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+ dl_hwcap & HWCAP_S390_VX, STRSTR_Z13)
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+# endif
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+# if HAVE_STRSTR_C
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+ IFUNC_IMPL_ADD (array, i, strstr, 1, STRSTR_C)
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+# endif
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+ )
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+#endif /* HAVE_STRSTR_IFUNC */
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+
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#ifdef HAVE_S390_VX_ASM_SUPPORT
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# define IFUNC_VX_IMPL(FUNC) \
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diff --git a/sysdeps/s390/strstr-c.c b/sysdeps/s390/strstr-c.c
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new file mode 100644
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index 0000000000000000..53717bfb276fed3d
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--- /dev/null
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+++ b/sysdeps/s390/strstr-c.c
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@@ -0,0 +1,32 @@
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+/* Default strstr implementation for S/390.
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+ Copyright (C) 2018 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+#include <ifunc-strstr.h>
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+
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+#if HAVE_STRSTR_C
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+# if HAVE_STRSTR_IFUNC
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+# define STRSTR STRSTR_C
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+# if defined SHARED && IS_IN (libc)
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+# undef libc_hidden_builtin_def
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+# define libc_hidden_builtin_def(name) \
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+ __hidden_ver1 (__strstr_c, __GI_strstr, __strstr_c);
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+# endif
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+# endif
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+
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+# include <string/strstr.c>
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+#endif
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diff --git a/sysdeps/s390/strstr-vx.c b/sysdeps/s390/strstr-vx.c
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new file mode 100644
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index 0000000000000000..effae9d5eb7d2fb1
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--- /dev/null
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+++ b/sysdeps/s390/strstr-vx.c
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@@ -0,0 +1,52 @@
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+/* Default strstr implementation with vector string functions for S/390.
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+ Copyright (C) 2018 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+#include <ifunc-strstr.h>
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+
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+#if HAVE_STRSTR_Z13
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+# if HAVE_STRSTR_IFUNC
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+# define STRSTR STRSTR_Z13
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+# if defined SHARED && IS_IN (libc)
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+# undef libc_hidden_builtin_def
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+# if HAVE_STRSTR_C
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+# define libc_hidden_builtin_def(name)
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+# else
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+# define libc_hidden_builtin_def(name) \
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+ __hidden_ver1 (__strstr_vx, __GI_strstr, __strstr_vx);
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+# endif
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+# endif
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+# endif
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+
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+# include <string.h>
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+
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+# ifdef USE_MULTIARCH
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+extern __typeof (strchr) __strchr_vx attribute_hidden;
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+# define strchr __strchr_vx
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+
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+extern __typeof (strlen) __strlen_vx attribute_hidden;
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+# define strlen __strlen_vx
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+
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+extern __typeof (__strnlen) __strnlen_vx attribute_hidden;
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+# define __strnlen __strnlen_vx
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+
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+extern __typeof (memcmp) __memcmp_z196 attribute_hidden;
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+# define memcmp __memcmp_z196
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+# endif
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+
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+# include <string/strstr.c>
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+#endif
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diff --git a/sysdeps/s390/strstr.c b/sysdeps/s390/strstr.c
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new file mode 100644
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index 0000000000000000..f8432349a7254cc6
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--- /dev/null
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+++ b/sysdeps/s390/strstr.c
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@@ -0,0 +1,40 @@
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+/* Multiple versions of strstr.
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+ Copyright (C) 2018 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+#include <ifunc-strstr.h>
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+
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+#if HAVE_STRSTR_IFUNC
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+# define strstr __redirect_strstr
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+# include <string.h>
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+# include <ifunc-resolve.h>
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+# undef strstr
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+
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+# if HAVE_STRSTR_C
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+extern __typeof (__redirect_strstr) STRSTR_C attribute_hidden;
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+# endif
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+
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+# if HAVE_STRSTR_Z13
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+extern __typeof (__redirect_strstr) STRSTR_Z13 attribute_hidden;
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+# endif
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+
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+s390_libc_ifunc_expr (__redirect_strstr, strstr,
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+ (HAVE_STRSTR_Z13 && (hwcap & HWCAP_S390_VX))
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+ ? STRSTR_Z13
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+ : STRSTR_DEFAULT
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+ )
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+#endif
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