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[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.20.1/] [elfcpp/] [elfcpp_internal.h] - Rev 283

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// elfcpp_internal.h -- internals for elfcpp   -*- C++ -*-
 
// Copyright 2006, 2007, Free Software Foundation, Inc.
// Written by Ian Lance Taylor <iant@google.com>.
 
// This file is part of elfcpp.
 
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public License
// as published by the Free Software Foundation; either version 2, or
// (at your option) any later version.
 
// In addition to the permissions in the GNU Library General Public
// License, the Free Software Foundation gives you unlimited
// permission to link the compiled version of this file into
// combinations with other programs, and to distribute those
// combinations without any restriction coming from the use of this
// file.  (The Library Public License restrictions do apply in other
// respects; for example, they cover modification of the file, and
/// distribution when not linked into a combined executable.)
 
// This program 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
// Library General Public License for more details.
 
// You should have received a copy of the GNU Library General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
// 02110-1301, USA.
 
// This is included by elfcpp.h, the external interface, but holds
// information which we want to keep private.
 
#ifndef ELFCPP_INTERNAL_H
#define ELFCPP_INTERNAL_H
 
namespace elfcpp
{
 
namespace internal
{
 
// The ELF file header.
 
template<int size>
struct Ehdr_data
{
  unsigned char e_ident[EI_NIDENT];
  Elf_Half e_type;
  Elf_Half e_machine;
  Elf_Word e_version;
  typename Elf_types<size>::Elf_Addr e_entry;
  typename Elf_types<size>::Elf_Off e_phoff;
  typename Elf_types<size>::Elf_Off e_shoff;
  Elf_Word e_flags;
  Elf_Half e_ehsize;
  Elf_Half e_phentsize;
  Elf_Half e_phnum;
  Elf_Half e_shentsize;
  Elf_Half e_shnum;
  Elf_Half e_shstrndx;
};
 
// An ELF section header.
 
template<int size>
struct Shdr_data
{
  Elf_Word sh_name;
  Elf_Word sh_type;
  typename Elf_types<size>::Elf_WXword sh_flags;
  typename Elf_types<size>::Elf_Addr sh_addr;
  typename Elf_types<size>::Elf_Off sh_offset;
  typename Elf_types<size>::Elf_WXword sh_size;
  Elf_Word sh_link;
  Elf_Word sh_info;
  typename Elf_types<size>::Elf_WXword sh_addralign;
  typename Elf_types<size>::Elf_WXword sh_entsize;
};
 
// An ELF segment header.  We use template specialization for the
// 32-bit and 64-bit versions because the fields are in a different
// order.
 
template<int size>
struct Phdr_data;
 
template<>
struct Phdr_data<32>
{
  Elf_Word p_type;
  Elf_types<32>::Elf_Off p_offset;
  Elf_types<32>::Elf_Addr p_vaddr;
  Elf_types<32>::Elf_Addr p_paddr;
  Elf_Word p_filesz;
  Elf_Word p_memsz;
  Elf_Word p_flags;
  Elf_Word p_align;
};
 
template<>
struct Phdr_data<64>
{
  Elf_Word p_type;
  Elf_Word p_flags;
  Elf_types<64>::Elf_Off p_offset;
  Elf_types<64>::Elf_Addr p_vaddr;
  Elf_types<64>::Elf_Addr p_paddr;
  Elf_Xword p_filesz;
  Elf_Xword p_memsz;
  Elf_Xword p_align;
};
 
// An ELF symbol table entry.  We use template specialization for the
// 32-bit and 64-bit versions because the fields are in a different
// order.
 
template<int size>
struct Sym_data;
 
template<>
struct Sym_data<32>
{
  Elf_Word st_name;
  Elf_types<32>::Elf_Addr st_value;
  Elf_Word st_size;
  unsigned char st_info;
  unsigned char st_other;
  Elf_Half st_shndx;
};
 
template<>
struct Sym_data<64>
{
  Elf_Word st_name;
  unsigned char st_info;
  unsigned char st_other;
  Elf_Half st_shndx;
  Elf_types<64>::Elf_Addr st_value;
  Elf_Xword st_size;
};
 
// ELF relocation table entries.
 
template<int size>
struct Rel_data
{
  typename Elf_types<size>::Elf_Addr r_offset;
  typename Elf_types<size>::Elf_WXword r_info;
};
 
template<int size>
struct Rela_data
{
  typename Elf_types<size>::Elf_Addr r_offset;
  typename Elf_types<size>::Elf_WXword r_info;
  typename Elf_types<size>::Elf_Swxword r_addend;
};
 
// An entry in the ELF SHT_DYNAMIC section aka PT_DYNAMIC segment.
 
template<int size>
struct Dyn_data
{
  typename Elf_types<size>::Elf_Swxword d_tag;
  typename Elf_types<size>::Elf_WXword d_val;
};
 
// An entry in a SHT_GNU_verdef section.  This structure is the same
// in 32-bit and 64-bit ELF files.
 
struct Verdef_data
{
  // Version number of structure (VER_DEF_*).
  Elf_Half vd_version;
  // Bit flags (VER_FLG_*).
  Elf_Half vd_flags;
  // Version index.
  Elf_Half vd_ndx;
  // Number of auxiliary Verdaux entries.
  Elf_Half vd_cnt;
  // Hash of name.
  Elf_Word vd_hash;
  // Byte offset to first Verdaux entry.
  Elf_Word vd_aux;
  // Byte offset to next Verdef entry.
  Elf_Word vd_next;
};
 
// An auxiliary entry in a SHT_GNU_verdef section.  This structure is
// the same in 32-bit and 64-bit ELF files.
 
struct Verdaux_data
{
  // Offset in string table of version name.
  Elf_Word vda_name;
  // Byte offset to next Verdaux entry.
  Elf_Word vda_next;
};
 
// An entry in a SHT_GNU_verneed section.  This structure is the same
// in 32-bit and 64-bit ELF files.
 
struct Verneed_data
{
  // Version number of structure (VER_NEED_*).
  Elf_Half vn_version;
  // Number of auxiliary Vernaux entries.
  Elf_Half vn_cnt;
  // Offset in string table of library name.
  Elf_Word vn_file;
  // Byte offset to first Vernaux entry.
  Elf_Word vn_aux;
  // Byt eoffset to next Verneed entry.
  Elf_Word vn_next;
};
 
// An auxiliary entry in a SHT_GNU_verneed section.  This structure is
// the same in 32-bit and 64-bit ELF files.
 
struct Vernaux_data
{
  // Hash of dependency name.
  Elf_Word vna_hash;
  // Bit flags (VER_FLG_*).
  Elf_Half vna_flags;
  // Version index used in SHT_GNU_versym entries.
  Elf_Half vna_other;
  // Offset in string table of version name.
  Elf_Word vna_name;
  // Byte offset to next Vernaux entry.
  Elf_Word vna_next;
};
 
} // End namespace internal.
 
} // End namespace elfcpp.
 
#endif // !defined(ELFCPP_INTERNAL_H)
 

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