Usermode/Libraries/ld-acess.so_src/elf64.h

   1 /*
   2  * Acess2 Dynamic Linker
   3  *
   4  * elf64.h
   5  */
   6
   7 #ifndef _ELF64_H_
   8 #define _ELF64_H_
   9
  10 #define ELFCLASS64      2
  11
  12 typedef uint16_t        Elf64_Half;
  13 typedef uint32_t        Elf64_Word;
  14
  15 typedef uint64_t        Elf64_Addr;
  16 typedef uint64_t        Elf64_Off;
  17 typedef uint64_t        Elf64_Xword;
  18 typedef  int64_t        Elf64_Sxword;
  19
  20 typedef struct
  21 {
  22         unsigned char   e_ident[16];
  23         Elf64_Half      e_type;
  24         Elf64_Half      e_machine;
  25         Elf64_Word      e_version;
  26         Elf64_Addr      e_entry;
  27         Elf64_Off       e_phoff;
  28         Elf64_Off       e_shoff;
  29         Elf64_Word      e_flags;
  30         Elf64_Half      e_ehsize;
  31         Elf64_Half      e_phentsize;
  32         Elf64_Half      e_phnum;
  33         Elf64_Half      e_shentsize;
  34         Elf64_Half      e_shnum;
  35         Elf64_Half      e_shstrndx;
  36 } __attribute__((packed)) Elf64_Ehdr;
  37
  38 typedef struct
  39 {
  40         Elf64_Word      sh_name;
  41         Elf64_Word      sh_type;
  42         Elf64_Xword     sh_flags;
  43         Elf64_Addr      sh_addr;
  44         Elf64_Off       sh_offset;
  45         Elf64_Xword     sh_size;
  46         Elf64_Word      sh_link;
  47         Elf64_Word      sh_info;
  48         Elf64_Xword     sh_addralign;
  49         Elf64_Xword     sh_entsize;
  50 } Elf64_Shdr;
  51
  52 typedef struct
  53 {
  54         Elf64_Word      p_type;
  55         Elf64_Word      p_flags;
  56         Elf64_Off       p_offset;
  57         Elf64_Addr      p_vaddr;
  58         Elf64_Addr      p_paddr;
  59         Elf64_Xword     p_filesz;
  60         Elf64_Xword     p_memsz;
  61         Elf64_Xword     p_align;
  62 } Elf64_Phdr;
  63
  64 typedef struct
  65 {
  66         Elf64_Sxword    d_tag;
  67         union {
  68                 Elf64_Xword     d_val;
  69                 Elf64_Addr      d_ptr;
  70         } d_un;
  71 } Elf64_Dyn;
  72
  73 typedef struct
  74 {
  75         Elf64_Word      st_name;
  76         uint8_t         st_info;
  77         uint8_t         st_other;
  78         Elf64_Half      st_shndx;
  79         Elf64_Addr      st_value;
  80         Elf64_Xword     st_size;
  81 } Elf64_Sym;
  82
  83 typedef struct
  84 {
  85         Elf64_Addr      r_offset;
  86         Elf64_Xword     r_info;
  87 } Elf64_Rel;
  88
  89 typedef struct
  90 {
  91         Elf64_Addr      r_offset;
  92         Elf64_Xword     r_info;
  93         Elf64_Sxword    r_addend;
  94 } Elf64_Rela;
  95
  96 #define ELF64_R_SYM(info)       ((info) >> 32)
  97 #define ELF64_R_TYPE(info)      ((info) & 0xFFFFFFFF)
  98
  99 enum eElf64_RelocTypes_x86_64
 100 {
 101         R_X86_64_NONE,
 102         R_X86_64_64,    // 64, S + A
 103         R_X86_64_PC32,  // 32, S + A - P
 104         R_X86_64_GOT32, // 32, G + A
 105         R_X86_64_PLT32, // 32, L + A - P
 106         R_X86_64_COPY,
 107         R_X86_64_GLOB_DAT,      // 64, S
 108         R_X86_64_JUMP_SLOT,     // 64, S
 109         R_X86_64_RELATIVE,      // 64, B + A
 110         // TODO: Rest
 111 };
 112
 113 #endif
 114