52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/* Machine-dependent ELF indirect relocation inline functions.
|
|
i386 version.
|
|
Copyright (C) 2009-2015 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_IREL 1
|
|
|
|
static inline Elf32_Addr
|
|
__attribute ((always_inline))
|
|
elf_ifunc_invoke (Elf32_Addr addr)
|
|
{
|
|
return ((Elf32_Addr (*) (void)) (addr)) ();
|
|
}
|
|
|
|
static inline void
|
|
__attribute ((always_inline))
|
|
elf_irel (const Elf32_Rel *reloc)
|
|
{
|
|
Elf32_Addr *const reloc_addr = (void *) reloc->r_offset;
|
|
const unsigned long int r_type = ELF32_R_TYPE (reloc->r_info);
|
|
|
|
if (__glibc_likely (r_type == R_386_IRELATIVE))
|
|
{
|
|
Elf32_Addr value = elf_ifunc_invoke(*reloc_addr);
|
|
*reloc_addr = value;
|
|
}
|
|
else
|
|
__libc_fatal ("unexpected reloc type in static binary");
|
|
}
|
|
|
|
#endif /* dl-irel.h */
|