source: bootcd/isolinux/syslinux-6.03/com32/include/sys/elf32.h

Last change on this file was e16e8f2, checked in by Edwin Eefting <edwin@datux.nl>, 3 years ago

bootstuff
  • Property mode set to 100644
File size: 2.3 KB
Line 
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) */
11typedef uint16_t Elf32_Half;
12typedef int16_t Elf32_SHalf;
13typedef uint32_t Elf32_Word;
14typedef int32_t Elf32_Sword;
15typedef uint64_t Elf32_Xword;
16typedef int64_t Elf32_Sxword;
17
18typedef uint32_t Elf32_Off;
19typedef uint32_t Elf32_Addr;
20typedef uint16_t Elf32_Section;
21
22/* Dynamic header */
23
24typedef 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
37typedef struct elf32_rel {
38    Elf32_Addr r_offset;
39    Elf32_Word r_info;
40} Elf32_Rel;
41
42typedef 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
50typedef 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
61typedef 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
80typedef 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
93typedef 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 */
107typedef 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 */
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