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Don't handle R_X86_64_RELATIVE64 in ld.so

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H.J. Lu 2012-05-10 19:24:54 -07:00
parent df8a552f6f
commit 0a10fb9eec
2 changed files with 7 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2012-05-10 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/x86_64/dl-machine.h (elf_machine_rela_relative): Handle
R_X86_64_RELATIVE64 only if RTLD_BOOTSTRAP isn't defined.
2012-05-10 H.J. Lu <hongjiu.lu@intel.com>
* elf/elf.h (R_X86_64_RELATIVE64): New.

2
sysdeps/x86_64/dl-machine.h
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@ -487,11 +487,13 @@ elf_machine_rela_relative (ElfW(Addr) l_addr, const ElfW(Rela) *reloc,
void *const reloc_addr_arg)
{
ElfW(Addr) *const reloc_addr = reloc_addr_arg;
#if !defined RTLD_BOOTSTRAP
/* l_addr + r_addend may be > 0xffffffff and R_X86_64_RELATIVE64
relocation updates the whole 64-bit entry. */
if (__builtin_expect (ELFW(R_TYPE) (reloc->r_info) == R_X86_64_RELATIVE64, 0))
*(Elf64_Addr *) reloc_addr = (Elf64_Addr) l_addr + reloc->r_addend;
else
#endif
{
assert (ELFW(R_TYPE) (reloc->r_info) == R_X86_64_RELATIVE);
*reloc_addr = l_addr + reloc->r_addend;