elf.h 7.3 KB

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  1. /****************************************************************************
  2. ****************************************************************************
  3. ***
  4. *** This header was automatically generated from a Linux kernel header
  5. *** of the same name, to make information necessary for userspace to
  6. *** call into the kernel available to libc. It contains only constants,
  7. *** structures, and macros generated from the original header, and thus,
  8. *** contains no copyrightable information.
  9. ***
  10. ****************************************************************************
  11. ****************************************************************************/
  12. #ifndef _LINUX_ELF_H
  13. #define _LINUX_ELF_H
  14. #include <stdint.h>
  15. #ifndef elf_read_implies_exec
  16. #define elf_read_implies_exec(ex, have_pt_gnu_stack) 0
  17. #endif
  18. typedef uint32_t Elf32_Addr;
  19. typedef uint16_t Elf32_Half;
  20. typedef uint32_t Elf32_Off;
  21. typedef int32_t Elf32_Sword;
  22. typedef uint32_t Elf32_Word;
  23. typedef uint64_t Elf64_Addr;
  24. typedef uint16_t Elf64_Half;
  25. typedef int16_t Elf64_SHalf;
  26. typedef uint64_t Elf64_Off;
  27. typedef int32_t Elf64_Sword;
  28. typedef uint32_t Elf64_Word;
  29. typedef uint64_t Elf64_Xword;
  30. typedef int64_t Elf64_Sxword;
  31. #define PT_NULL 0
  32. #define PT_LOAD 1
  33. #define PT_DYNAMIC 2
  34. #define PT_INTERP 3
  35. #define PT_NOTE 4
  36. #define PT_SHLIB 5
  37. #define PT_PHDR 6
  38. #define PT_TLS 7
  39. #define PT_LOOS 0x60000000
  40. #define PT_HIOS 0x6fffffff
  41. #define PT_LOPROC 0x70000000
  42. #define PT_HIPROC 0x7fffffff
  43. #define PT_GNU_EH_FRAME 0x6474e550
  44. #define PT_GNU_STACK (PT_LOOS + 0x474e551)
  45. #define ET_NONE 0
  46. #define ET_REL 1
  47. #define ET_EXEC 2
  48. #define ET_DYN 3
  49. #define ET_CORE 4
  50. #define ET_LOPROC 0xff00
  51. #define ET_HIPROC 0xffff
  52. #define DT_NULL 0
  53. #define DT_NEEDED 1
  54. #define DT_PLTRELSZ 2
  55. #define DT_PLTGOT 3
  56. #define DT_HASH 4
  57. #define DT_STRTAB 5
  58. #define DT_SYMTAB 6
  59. #define DT_RELA 7
  60. #define DT_RELASZ 8
  61. #define DT_RELAENT 9
  62. #define DT_STRSZ 10
  63. #define DT_SYMENT 11
  64. #define DT_INIT 12
  65. #define DT_FINI 13
  66. #define DT_SONAME 14
  67. #define DT_RPATH 15
  68. #define DT_SYMBOLIC 16
  69. #define DT_REL 17
  70. #define DT_RELSZ 18
  71. #define DT_RELENT 19
  72. #define DT_PLTREL 20
  73. #define DT_DEBUG 21
  74. #define DT_TEXTREL 22
  75. #define DT_JMPREL 23
  76. #define DT_LOPROC 0x70000000
  77. #define DT_HIPROC 0x7fffffff
  78. #define STB_LOCAL 0
  79. #define STB_GLOBAL 1
  80. #define STB_WEAK 2
  81. #define STT_NOTYPE 0
  82. #define STT_OBJECT 1
  83. #define STT_FUNC 2
  84. #define STT_SECTION 3
  85. #define STT_FILE 4
  86. #define STT_COMMON 5
  87. #define STT_TLS 6
  88. #define ELF_ST_BIND(x) ((x) >> 4)
  89. #define ELF_ST_TYPE(x) (((unsigned int) x) & 0xf)
  90. #define ELF32_ST_BIND(x) ELF_ST_BIND(x)
  91. #define ELF32_ST_TYPE(x) ELF_ST_TYPE(x)
  92. #define ELF64_ST_BIND(x) ELF_ST_BIND(x)
  93. #define ELF64_ST_TYPE(x) ELF_ST_TYPE(x)
  94. typedef struct dynamic{
  95. Elf32_Sword d_tag;
  96. union{
  97. Elf32_Sword d_val;
  98. Elf32_Addr d_ptr;
  99. } d_un;
  100. } Elf32_Dyn;
  101. typedef struct {
  102. Elf64_Sxword d_tag;
  103. union {
  104. Elf64_Xword d_val;
  105. Elf64_Addr d_ptr;
  106. } d_un;
  107. } Elf64_Dyn;
  108. #define ELF32_R_SYM(x) ((x) >> 8)
  109. #define ELF32_R_TYPE(x) ((x) & 0xff)
  110. #define ELF64_R_SYM(i) ((i) >> 32)
  111. #define ELF64_R_TYPE(i) ((i) & 0xffffffff)
  112. typedef struct elf32_rel {
  113. Elf32_Addr r_offset;
  114. Elf32_Word r_info;
  115. } Elf32_Rel;
  116. typedef struct elf64_rel {
  117. Elf64_Addr r_offset;
  118. Elf64_Xword r_info;
  119. } Elf64_Rel;
  120. typedef struct elf32_rela{
  121. Elf32_Addr r_offset;
  122. Elf32_Word r_info;
  123. Elf32_Sword r_addend;
  124. } Elf32_Rela;
  125. typedef struct elf64_rela {
  126. Elf64_Addr r_offset;
  127. Elf64_Xword r_info;
  128. Elf64_Sxword r_addend;
  129. } Elf64_Rela;
  130. typedef struct elf32_sym{
  131. Elf32_Word st_name;
  132. Elf32_Addr st_value;
  133. Elf32_Word st_size;
  134. unsigned char st_info;
  135. unsigned char st_other;
  136. Elf32_Half st_shndx;
  137. } Elf32_Sym;
  138. typedef struct elf64_sym {
  139. Elf64_Word st_name;
  140. unsigned char st_info;
  141. unsigned char st_other;
  142. Elf64_Half st_shndx;
  143. Elf64_Addr st_value;
  144. Elf64_Xword st_size;
  145. } Elf64_Sym;
  146. #define EI_NIDENT 16
  147. typedef struct elf32_hdr{
  148. unsigned char e_ident[EI_NIDENT];
  149. Elf32_Half e_type;
  150. Elf32_Half e_machine;
  151. Elf32_Word e_version;
  152. Elf32_Addr e_entry;
  153. Elf32_Off e_phoff;
  154. Elf32_Off e_shoff;
  155. Elf32_Word e_flags;
  156. Elf32_Half e_ehsize;
  157. Elf32_Half e_phentsize;
  158. Elf32_Half e_phnum;
  159. Elf32_Half e_shentsize;
  160. Elf32_Half e_shnum;
  161. Elf32_Half e_shstrndx;
  162. } Elf32_Ehdr;
  163. typedef struct elf64_hdr {
  164. unsigned char e_ident[16];
  165. Elf64_Half e_type;
  166. Elf64_Half e_machine;
  167. Elf64_Word e_version;
  168. Elf64_Addr e_entry;
  169. Elf64_Off e_phoff;
  170. Elf64_Off e_shoff;
  171. Elf64_Word e_flags;
  172. Elf64_Half e_ehsize;
  173. Elf64_Half e_phentsize;
  174. Elf64_Half e_phnum;
  175. Elf64_Half e_shentsize;
  176. Elf64_Half e_shnum;
  177. Elf64_Half e_shstrndx;
  178. } Elf64_Ehdr;
  179. #define PF_R 0x4
  180. #define PF_W 0x2
  181. #define PF_X 0x1
  182. typedef struct elf32_phdr{
  183. Elf32_Word p_type;
  184. Elf32_Off p_offset;
  185. Elf32_Addr p_vaddr;
  186. Elf32_Addr p_paddr;
  187. Elf32_Word p_filesz;
  188. Elf32_Word p_memsz;
  189. Elf32_Word p_flags;
  190. Elf32_Word p_align;
  191. } Elf32_Phdr;
  192. typedef struct elf64_phdr {
  193. Elf64_Word p_type;
  194. Elf64_Word p_flags;
  195. Elf64_Off p_offset;
  196. Elf64_Addr p_vaddr;
  197. Elf64_Addr p_paddr;
  198. Elf64_Xword p_filesz;
  199. Elf64_Xword p_memsz;
  200. Elf64_Xword p_align;
  201. } Elf64_Phdr;
  202. #define SHT_NULL 0
  203. #define SHT_PROGBITS 1
  204. #define SHT_SYMTAB 2
  205. #define SHT_STRTAB 3
  206. #define SHT_RELA 4
  207. #define SHT_HASH 5
  208. #define SHT_DYNAMIC 6
  209. #define SHT_NOTE 7
  210. #define SHT_NOBITS 8
  211. #define SHT_REL 9
  212. #define SHT_SHLIB 10
  213. #define SHT_DYNSYM 11
  214. #define SHT_NUM 12
  215. #define SHT_LOPROC 0x70000000
  216. #define SHT_HIPROC 0x7fffffff
  217. #define SHT_LOUSER 0x80000000
  218. #define SHT_HIUSER 0xffffffff
  219. #define SHF_WRITE 0x1
  220. #define SHF_ALLOC 0x2
  221. #define SHF_EXECINSTR 0x4
  222. #define SHF_MASKPROC 0xf0000000
  223. #define SHN_UNDEF 0
  224. #define SHN_LORESERVE 0xff00
  225. #define SHN_LOPROC 0xff00
  226. #define SHN_HIPROC 0xff1f
  227. #define SHN_ABS 0xfff1
  228. #define SHN_COMMON 0xfff2
  229. #define SHN_HIRESERVE 0xffff
  230. typedef struct elf32_shdr{
  231. Elf32_Word sh_name;
  232. Elf32_Word sh_type;
  233. Elf32_Word sh_flags;
  234. Elf32_Addr sh_addr;
  235. Elf32_Off sh_offset;
  236. Elf32_Word sh_size;
  237. Elf32_Word sh_link;
  238. Elf32_Word sh_info;
  239. Elf32_Word sh_addralign;
  240. Elf32_Word sh_entsize;
  241. } Elf32_Shdr;
  242. typedef struct elf64_shdr {
  243. Elf64_Word sh_name;
  244. Elf64_Word sh_type;
  245. Elf64_Xword sh_flags;
  246. Elf64_Addr sh_addr;
  247. Elf64_Off sh_offset;
  248. Elf64_Xword sh_size;
  249. Elf64_Word sh_link;
  250. Elf64_Word sh_info;
  251. Elf64_Xword sh_addralign;
  252. Elf64_Xword sh_entsize;
  253. } Elf64_Shdr;
  254. #define EI_MAG0 0
  255. #define EI_MAG1 1
  256. #define EI_MAG2 2
  257. #define EI_MAG3 3
  258. #define EI_CLASS 4
  259. #define EI_DATA 5
  260. #define EI_VERSION 6
  261. #define EI_OSABI 7
  262. #define EI_PAD 8
  263. #define ELFMAG0 0x7f
  264. #define ELFMAG1 'E'
  265. #define ELFMAG2 'L'
  266. #define ELFMAG3 'F'
  267. #define ELFMAG "\177ELF"
  268. #define SELFMAG 4
  269. #define ELFCLASSNONE 0
  270. #define ELFCLASS32 1
  271. #define ELFCLASS64 2
  272. #define ELFCLASSNUM 3
  273. #define ELFDATANONE 0
  274. #define ELFDATA2LSB 1
  275. #define ELFDATA2MSB 2
  276. #define EV_NONE 0
  277. #define EV_CURRENT 1
  278. #define EV_NUM 2
  279. #define ELFOSABI_NONE 0
  280. #define ELFOSABI_LINUX 3
  281. #ifndef ELF_OSABI
  282. #define ELF_OSABI ELFOSABI_NONE
  283. #endif
  284. #define NT_PRSTATUS 1
  285. #define NT_PRFPREG 2
  286. #define NT_PRPSINFO 3
  287. #define NT_TASKSTRUCT 4
  288. #define NT_AUXV 6
  289. #define NT_PRXFPREG 0x46e62b7f
  290. typedef struct elf32_note {
  291. Elf32_Word n_namesz;
  292. Elf32_Word n_descsz;
  293. Elf32_Word n_type;
  294. } Elf32_Nhdr;
  295. typedef struct elf64_note {
  296. Elf64_Word n_namesz;
  297. Elf64_Word n_descsz;
  298. Elf64_Word n_type;
  299. } Elf64_Nhdr;
  300. #if ELF_CLASS == ELFCLASS32
  301. #define elfhdr Elf32_Ehdr
  302. #define elf_phdr Elf32_Phdr
  303. #define elf_note Elf32_Nhdr
  304. #define elf_shdr Elf32_Shdr
  305. #else
  306. #define elfhdr Elf64_Ehdr
  307. #define elf_phdr Elf64_Phdr
  308. #define elf_note Elf64_Nhdr
  309. #define elf_shdr Elf64_Shdr
  310. #endif
  311. #endif