elfcpp/elfcpp_internal.h

   1 // elfcpp_internal.h -- internals for elfcpp   -*- C++ -*-
   2
   3 // This is included by elfcpp.h, the external interface, but holds
   4 // information which we want to keep private.
   5
   6 #include "elfcpp_config.h"
   7
   8 #ifndef ELFCPP_INTERNAL_H
   9 #define ELFCPP_INTERNAL_H
  10
  11 namespace elfcpp
  12 {
  13
  14 namespace internal
  15 {
  16
  17 // The ELF file header.
  18
  19 template<int size>
  20 struct Ehdr_data
  21 {
  22   unsigned char e_ident[EI_NIDENT];
  23   Elf_Half e_type;
  24   Elf_Half e_machine;
  25   Elf_Word e_version;
  26   typename Elf_types<size>::Elf_Addr e_entry;
  27   typename Elf_types<size>::Elf_Off e_phoff;
  28   typename Elf_types<size>::Elf_Off e_shoff;
  29   Elf_Word e_flags;
  30   Elf_Half e_ehsize;
  31   Elf_Half e_phentsize;
  32   Elf_Half e_phnum;
  33   Elf_Half e_shentsize;
  34   Elf_Half e_shnum;
  35   Elf_Half e_shstrndx;
  36 };
  37
  38 // An Elf section header.
  39
  40 template<int size>
  41 struct Shdr_data
  42 {
  43   Elf_Word sh_name;
  44   Elf_Word sh_type;
  45   typename Elf_types<size>::Elf_WXword sh_flags;
  46   typename Elf_types<size>::Elf_Addr sh_addr;
  47   typename Elf_types<size>::Elf_Off sh_offset;
  48   typename Elf_types<size>::Elf_WXword sh_size;
  49   Elf_Word sh_link;
  50   Elf_Word sh_info;
  51   typename Elf_types<size>::Elf_WXword sh_addralign;
  52   typename Elf_types<size>::Elf_WXword sh_entsize;
  53 };
  54
  55 // An ELF segment header.  We use template specialization for the
  56 // 32-bit and 64-bit versions because the fields are in a different
  57 // order.
  58
  59 template<int size>
  60 struct Phdr_data;
  61
  62 template<>
  63 struct Phdr_data<32>
  64 {
  65   Elf_Word p_type;
  66   Elf_types<32>::Elf_Off p_offset;
  67   Elf_types<32>::Elf_Addr p_vaddr;
  68   Elf_types<32>::Elf_Addr p_paddr;
  69   Elf_Word p_filesz;
  70   Elf_Word p_memsz;
  71   Elf_Word p_flags;
  72   Elf_Word p_align;
  73 };
  74
  75 template<>
  76 struct Phdr_data<64>
  77 {
  78   Elf_Word p_type;
  79   Elf_Word p_flags;
  80   Elf_types<64>::Elf_Off p_offset;
  81   Elf_types<64>::Elf_Addr p_vaddr;
  82   Elf_types<64>::Elf_Addr p_paddr;
  83   Elf_Xword p_filesz;
  84   Elf_Xword p_memsz;
  85   Elf_Xword p_align;
  86 };
  87
  88 // An ELF symbol table entry.  We use template specialization for the
  89 // 32-bit and 64-bit versions because the fields are in a different
  90 // order.
  91
  92 template<int size>
  93 struct Sym_data;
  94
  95 template<>
  96 struct Sym_data<32>
  97 {
  98   Elf_Word st_name;
  99   Elf_types<32>::Elf_Addr st_value;
 100   Elf_Word st_size;
 101   unsigned char st_info;
 102   unsigned char st_other;
 103   Elf_Half st_shndx;
 104 };
 105
 106 template<>
 107 struct Sym_data<64>
 108 {
 109   Elf_Word st_name;
 110   unsigned char st_info;
 111   unsigned char st_other;
 112   Elf_Half st_shndx;
 113   Elf_types<64>::Elf_Addr st_value;
 114   Elf_Xword st_size;
 115 };
 116
 117 // Elf relocation table entries.
 118
 119 template<int size>
 120 struct Rel_data
 121 {
 122   typename Elf_types<size>::Elf_Addr r_offset;
 123   typename Elf_types<size>::Elf_WXword r_info;
 124 };
 125
 126 template<int size>
 127 struct Rela_data
 128 {
 129   typename Elf_types<size>::Elf_Addr r_offset;
 130   typename Elf_types<size>::Elf_WXword r_info;
 131   typename Elf_types<size>::Elf_Swxword r_addend;
 132 };
 133
 134 } // End namespace internal.
 135
 136 } // End namespace elfcpp.
 137
 138 #endif // !defined(ELFCPP_INTERNAL_H)