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Fix R_X86_64_PC32 overflow detection

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Richard Guenther 2010-03-04 19:33:41 -08:00 committed by Ulrich Drepper
parent 356af22323
commit e39acb1f16
2 changed files with 7 additions and 2 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2010-03-02 Richard Guenther <rguenther@suse.de>
* sysdeps/x86_64/dl-machine.h (elf_machine_rela): R_X86_64_PC32
is sign-extending.
2010-03-03 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/bits/in.h: Add a few more definitions from

4
sysdeps/x86_64/dl-machine.h
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@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. x86-64 version.
Copyright (C) 2001-2005, 2006, 2008, 2009 Free Software Foundation, Inc.
Copyright (C) 2001-2006, 2008, 2009, 2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Jaeger <aj@suse.de>.
@ -419,7 +419,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
case R_X86_64_PC32:
value += reloc->r_addend - (Elf64_Addr) reloc_addr;
*(unsigned int *) reloc_addr = value;
if (__builtin_expect (value != (unsigned int) value, 0))
if (__builtin_expect (value != (int) value, 0))
{
fmt = "\
%s: Symbol `%s' causes overflow in R_X86_64_PC32 relocation\n";