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import glibc-2.17-292.el7.src.rpm

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Signed-off-by: zhangbinchen <zhangbinchen@openanolis.org>
This commit is contained in:
zhangbinchen 2021-08-21 12:40:25 +08:00
commit ff0128648f
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glibc-rh1162847-p1.patch Normal file
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@ -0,0 +1,104 @@
#
# commit f8e3e9f31bfd71641418897228fa1732170b69cc
# Author: Alan Modra <amodra@gmail.com>
# Date: Thu Oct 3 13:51:52 2013 +0930
#
# Correct little-endian relocation of UADDR64,32,16.
#
# * sysdeps/powerpc/powerpc32/dl-machine.c (__process_machine_rela):
# Correct handling of unaligned relocs for little-endian.
# * sysdeps/powerpc/powerpc64/dl-machine.h (elf_machine_rela): Likewise.
#
diff -urN glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/dl-machine.c glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/dl-machine.c
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/dl-machine.c 2012-12-24 22:02:13.000000000 -0500
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc32/dl-machine.c 2014-11-11 18:51:36.140570654 -0500
@@ -423,6 +423,12 @@
Elf32_Addr const finaladdr,
int rinfo)
{
+ union unaligned
+ {
+ unsigned u2 __attribute__ ((mode (HI)));
+ unsigned u4 __attribute__ ((mode (SI)));
+ } __attribute__((__packed__));
+
switch (rinfo)
{
case R_PPC_NONE:
@@ -439,10 +445,7 @@
return;
case R_PPC_UADDR32:
- ((char *) reloc_addr)[0] = finaladdr >> 24;
- ((char *) reloc_addr)[1] = finaladdr >> 16;
- ((char *) reloc_addr)[2] = finaladdr >> 8;
- ((char *) reloc_addr)[3] = finaladdr;
+ ((union unaligned *) reloc_addr)->u4 = finaladdr;
break;
case R_PPC_ADDR24:
@@ -460,8 +463,7 @@
case R_PPC_UADDR16:
if (__builtin_expect (finaladdr > 0x7fff && finaladdr < 0xffff8000, 0))
_dl_reloc_overflow (map, "R_PPC_UADDR16", reloc_addr, refsym);
- ((char *) reloc_addr)[0] = finaladdr >> 8;
- ((char *) reloc_addr)[1] = finaladdr;
+ ((union unaligned *) reloc_addr)->u2 = finaladdr;
break;
case R_PPC_ADDR16_LO:
diff -urN glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/dl-machine.h glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/dl-machine.h
--- glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/dl-machine.h 2012-12-24 22:02:13.000000000 -0500
+++ glibc-2.17-c758a686/sysdeps/powerpc/powerpc64/dl-machine.h 2014-11-11 18:51:36.141570651 -0500
@@ -561,6 +561,12 @@
Elf64_Addr *const reloc_addr = reloc_addr_arg;
const int r_type = ELF64_R_TYPE (reloc->r_info);
const Elf64_Sym *const refsym = sym;
+ union unaligned
+ {
+ unsigned u2 __attribute__ ((mode (HI)));
+ unsigned u4 __attribute__ ((mode (SI)));
+ unsigned u8 __attribute__ ((mode (DI)));
+ } __attribute__((__packed__));
if (r_type == R_PPC64_RELATIVE)
{
@@ -742,23 +748,11 @@
return;
case R_PPC64_UADDR64:
- /* We are big-endian. */
- ((char *) reloc_addr_arg)[0] = (value >> 56) & 0xff;
- ((char *) reloc_addr_arg)[1] = (value >> 48) & 0xff;
- ((char *) reloc_addr_arg)[2] = (value >> 40) & 0xff;
- ((char *) reloc_addr_arg)[3] = (value >> 32) & 0xff;
- ((char *) reloc_addr_arg)[4] = (value >> 24) & 0xff;
- ((char *) reloc_addr_arg)[5] = (value >> 16) & 0xff;
- ((char *) reloc_addr_arg)[6] = (value >> 8) & 0xff;
- ((char *) reloc_addr_arg)[7] = (value >> 0) & 0xff;
+ ((union unaligned *) reloc_addr)->u8 = value;
return;
case R_PPC64_UADDR32:
- /* We are big-endian. */
- ((char *) reloc_addr_arg)[0] = (value >> 24) & 0xff;
- ((char *) reloc_addr_arg)[1] = (value >> 16) & 0xff;
- ((char *) reloc_addr_arg)[2] = (value >> 8) & 0xff;
- ((char *) reloc_addr_arg)[3] = (value >> 0) & 0xff;
+ ((union unaligned *) reloc_addr)->u4 = value;
return;
case R_PPC64_ADDR32:
@@ -782,10 +776,8 @@
case R_PPC64_UADDR16:
if (dont_expect ((value + 0x8000) >= 0x10000))
_dl_reloc_overflow (map, "R_PPC64_UADDR16", reloc_addr, refsym);
- /* We are big-endian. */
- ((char *) reloc_addr_arg)[0] = (value >> 8) & 0xff;
- ((char *) reloc_addr_arg)[1] = (value >> 0) & 0xff;
- break;
+ ((union unaligned *) reloc_addr)->u2 = value;
+ return;
case R_PPC64_ADDR16_DS:
if (dont_expect ((value + 0x8000) >= 0x10000 || (value & 3) != 0))