Blame sysdeps/i386/dl-irel.h

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/* Machine-dependent ELF indirect relocation inline functions.
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   i386 version.
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   Copyright (C) 2009-2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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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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   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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   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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#ifndef _DL_IREL_H
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#define _DL_IREL_H
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#include <stdio.h>
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#include <unistd.h>
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#define ELF_MACHINE_IREL	1
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static inline Elf32_Addr
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__attribute ((always_inline))
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elf_ifunc_invoke (Elf32_Addr addr)
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{
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  return ((Elf32_Addr (*) (void)) (addr)) ();
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}
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static inline void
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__attribute ((always_inline))
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elf_irel (const Elf32_Rel *reloc)
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{
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  Elf32_Addr *const reloc_addr = (void *) reloc->r_offset;
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  const unsigned long int r_type = ELF32_R_TYPE (reloc->r_info);
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  if (__glibc_likely (r_type == R_386_IRELATIVE))
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    {
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      Elf32_Addr value = elf_ifunc_invoke(*reloc_addr);
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      *reloc_addr = value;
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    }
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  else
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    __libc_fatal ("Unexpected reloc type in static binary.\n");
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}
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#endif /* dl-irel.h */