com32/include/sys/elf32.h

   1 /*
   2  * sys/elf32.h
   3  */
   4
   5 #ifndef _SYS_ELF32_H
   6 #define _SYS_ELF32_H
   7
   8 #include <sys/elfcommon.h>
   9
  10 /* ELF standard typedefs (yet more proof that <stdint.h> was way overdue) */
  11 typedef uint16_t Elf32_Half;
  12 typedef int16_t Elf32_SHalf;
  13 typedef uint32_t Elf32_Word;
  14 typedef int32_t Elf32_Sword;
  15 typedef uint64_t Elf32_Xword;
  16 typedef int64_t Elf32_Sxword;
  17
  18 typedef uint32_t Elf32_Off;
  19 typedef uint32_t Elf32_Addr;
  20 typedef uint16_t Elf32_Section;
  21
  22 /* Dynamic header */
  23
  24 typedef struct elf32_dyn {
  25     Elf32_Sword d_tag;
  26     union {
  27         Elf32_Sword d_val;
  28         Elf32_Addr d_ptr;
  29     } d_un;
  30 } Elf32_Dyn;
  31
  32 /* Relocations */
  33
  34 #define ELF32_R_SYM(x)  ((x) >> 8)
  35 #define ELF32_R_TYPE(x) ((x) & 0xff)
  36
  37 typedef struct elf32_rel {
  38     Elf32_Addr r_offset;
  39     Elf32_Word r_info;
  40 } Elf32_Rel;
  41
  42 typedef struct elf32_rela {
  43     Elf32_Addr r_offset;
  44     Elf32_Word r_info;
  45     Elf32_Sword r_addend;
  46 } Elf32_Rela;
  47
  48 /* Symbol */
  49
  50 typedef struct elf32_sym {
  51     Elf32_Word st_name;
  52     Elf32_Addr st_value;
  53     Elf32_Word st_size;
  54     unsigned char st_info;
  55     unsigned char st_other;
  56     Elf32_Half st_shndx;
  57 } Elf32_Sym;
  58
  59 /* Main file header */
  60
  61 typedef struct elf32_hdr {
  62     unsigned char e_ident[EI_NIDENT];
  63     Elf32_Half e_type;
  64     Elf32_Half e_machine;
  65     Elf32_Word e_version;
  66     Elf32_Addr e_entry;
  67     Elf32_Off e_phoff;
  68     Elf32_Off e_shoff;
  69     Elf32_Word e_flags;
  70     Elf32_Half e_ehsize;
  71     Elf32_Half e_phentsize;
  72     Elf32_Half e_phnum;
  73     Elf32_Half e_shentsize;
  74     Elf32_Half e_shnum;
  75     Elf32_Half e_shstrndx;
  76 } Elf32_Ehdr;
  77
  78 /* Program header */
  79
  80 typedef struct elf32_phdr {
  81     Elf32_Word p_type;
  82     Elf32_Off p_offset;
  83     Elf32_Addr p_vaddr;
  84     Elf32_Addr p_paddr;
  85     Elf32_Word p_filesz;
  86     Elf32_Word p_memsz;
  87     Elf32_Word p_flags;
  88     Elf32_Word p_align;
  89 } Elf32_Phdr;
  90
  91 /* Section header */
  92
  93 typedef struct elf32_shdr {
  94     Elf32_Word sh_name;
  95     Elf32_Word sh_type;
  96     Elf32_Word sh_flags;
  97     Elf32_Addr sh_addr;
  98     Elf32_Off sh_offset;
  99     Elf32_Word sh_size;
 100     Elf32_Word sh_link;
 101     Elf32_Word sh_info;
 102     Elf32_Word sh_addralign;
 103     Elf32_Word sh_entsize;
 104 } Elf32_Shdr;
 105
 106 /* Note header */
 107 typedef struct elf32_note {
 108     Elf32_Word n_namesz;        /* Name size */
 109     Elf32_Word n_descsz;        /* Content size */
 110     Elf32_Word n_type;          /* Content type */
 111 } Elf32_Nhdr;
 112
 113 #endif /* _SYS_ELF32_H */