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
15#include <linux/types.h>
16#include <linux/auxvec.h>
17#include <linux/elf-em.h>
18#include <asm/elf.h>
19
20#ifndef elf_read_implies_exec
21
22#define elf_read_implies_exec(ex, have_pt_gnu_stack) 0
23#endif
24
25typedef __u32 Elf32_Addr;
26typedef __u16 Elf32_Half;
27typedef __u32 Elf32_Off;
28typedef __s32 Elf32_Sword;
29typedef __u32 Elf32_Word;
30
31typedef __u64 Elf64_Addr;
32typedef __u16 Elf64_Half;
33typedef __s16 Elf64_SHalf;
34typedef __u64 Elf64_Off;
35typedef __s32 Elf64_Sword;
36typedef __u32 Elf64_Word;
37typedef __u64 Elf64_Xword;
38typedef __s64 Elf64_Sxword;
39
40#define PT_NULL 0
41#define PT_LOAD 1
42#define PT_DYNAMIC 2
43#define PT_INTERP 3
44#define PT_NOTE 4
45#define PT_SHLIB 5
46#define PT_PHDR 6
47#define PT_TLS 7
48#define PT_LOOS 0x60000000
49#define PT_HIOS 0x6fffffff
50#define PT_LOPROC 0x70000000
51#define PT_HIPROC 0x7fffffff
52#define PT_GNU_EH_FRAME 0x6474e550
53
54#define PT_GNU_STACK (PT_LOOS + 0x474e551)
55
56#define ET_NONE 0
57#define ET_REL 1
58#define ET_EXEC 2
59#define ET_DYN 3
60#define ET_CORE 4
61#define ET_LOPROC 0xff00
62#define ET_HIPROC 0xffff
63
64#define DT_NULL 0
65#define DT_NEEDED 1
66#define DT_PLTRELSZ 2
67#define DT_PLTGOT 3
68#define DT_HASH 4
69#define DT_STRTAB 5
70#define DT_SYMTAB 6
71#define DT_RELA 7
72#define DT_RELASZ 8
73#define DT_RELAENT 9
74#define DT_STRSZ 10
75#define DT_SYMENT 11
76#define DT_INIT 12
77#define DT_FINI 13
78#define DT_SONAME 14
79#define DT_RPATH 15
80#define DT_SYMBOLIC 16
81#define DT_REL 17
82#define DT_RELSZ 18
83#define DT_RELENT 19
84#define DT_PLTREL 20
85#define DT_DEBUG 21
86#define DT_TEXTREL 22
87#define DT_JMPREL 23
88#define DT_LOPROC 0x70000000
89#define DT_HIPROC 0x7fffffff
90
91#define STB_LOCAL 0
92#define STB_GLOBAL 1
93#define STB_WEAK 2
94
95#define STT_NOTYPE 0
96#define STT_OBJECT 1
97#define STT_FUNC 2
98#define STT_SECTION 3
99#define STT_FILE 4
100#define STT_COMMON 5
101#define STT_TLS 6
102
103#define ELF_ST_BIND(x) ((x) >> 4)
104#define ELF_ST_TYPE(x) (((unsigned int) x) & 0xf)
105#define ELF32_ST_BIND(x) ELF_ST_BIND(x)
106#define ELF32_ST_TYPE(x) ELF_ST_TYPE(x)
107#define ELF64_ST_BIND(x) ELF_ST_BIND(x)
108#define ELF64_ST_TYPE(x) ELF_ST_TYPE(x)
109
110typedef struct dynamic{
111 Elf32_Sword d_tag;
112 union{
113 Elf32_Sword d_val;
114 Elf32_Addr d_ptr;
115 } d_un;
116} Elf32_Dyn;
117
118typedef struct {
119 Elf64_Sxword d_tag;
120 union {
121 Elf64_Xword d_val;
122 Elf64_Addr d_ptr;
123 } d_un;
124} Elf64_Dyn;
125
126#define ELF32_R_SYM(x) ((x) >> 8)
127#define ELF32_R_TYPE(x) ((x) & 0xff)
128
129#define ELF64_R_SYM(i) ((i) >> 32)
130#define ELF64_R_TYPE(i) ((i) & 0xffffffff)
131
132typedef struct elf32_rel {
133 Elf32_Addr r_offset;
134 Elf32_Word r_info;
135} Elf32_Rel;
136
137typedef struct elf64_rel {
138 Elf64_Addr r_offset;
139 Elf64_Xword r_info;
140} Elf64_Rel;
141
142typedef struct elf32_rela{
143 Elf32_Addr r_offset;
144 Elf32_Word r_info;
145 Elf32_Sword r_addend;
146} Elf32_Rela;
147
148typedef struct elf64_rela {
149 Elf64_Addr r_offset;
150 Elf64_Xword r_info;
151 Elf64_Sxword r_addend;
152} Elf64_Rela;
153
154typedef struct elf32_sym{
155 Elf32_Word st_name;
156 Elf32_Addr st_value;
157 Elf32_Word st_size;
158 unsigned char st_info;
159 unsigned char st_other;
160 Elf32_Half st_shndx;
161} Elf32_Sym;
162
163typedef struct elf64_sym {
164 Elf64_Word st_name;
165 unsigned char st_info;
166 unsigned char st_other;
167 Elf64_Half st_shndx;
168 Elf64_Addr st_value;
169 Elf64_Xword st_size;
170} Elf64_Sym;
171
172#define EI_NIDENT 16
173
174typedef struct elf32_hdr{
175 unsigned char e_ident[EI_NIDENT];
176 Elf32_Half e_type;
177 Elf32_Half e_machine;
178 Elf32_Word e_version;
179 Elf32_Addr e_entry;
180 Elf32_Off e_phoff;
181 Elf32_Off e_shoff;
182 Elf32_Word e_flags;
183 Elf32_Half e_ehsize;
184 Elf32_Half e_phentsize;
185 Elf32_Half e_phnum;
186 Elf32_Half e_shentsize;
187 Elf32_Half e_shnum;
188 Elf32_Half e_shstrndx;
189} Elf32_Ehdr;
190
191typedef struct elf64_hdr {
192 unsigned char e_ident[16];
193 Elf64_Half e_type;
194 Elf64_Half e_machine;
195 Elf64_Word e_version;
196 Elf64_Addr e_entry;
197 Elf64_Off e_phoff;
198 Elf64_Off e_shoff;
199 Elf64_Word e_flags;
200 Elf64_Half e_ehsize;
201 Elf64_Half e_phentsize;
202 Elf64_Half e_phnum;
203 Elf64_Half e_shentsize;
204 Elf64_Half e_shnum;
205 Elf64_Half e_shstrndx;
206} Elf64_Ehdr;
207
208#define PF_R 0x4
209#define PF_W 0x2
210#define PF_X 0x1
211
212typedef struct elf32_phdr{
213 Elf32_Word p_type;
214 Elf32_Off p_offset;
215 Elf32_Addr p_vaddr;
216 Elf32_Addr p_paddr;
217 Elf32_Word p_filesz;
218 Elf32_Word p_memsz;
219 Elf32_Word p_flags;
220 Elf32_Word p_align;
221} Elf32_Phdr;
222
223typedef struct elf64_phdr {
224 Elf64_Word p_type;
225 Elf64_Word p_flags;
226 Elf64_Off p_offset;
227 Elf64_Addr p_vaddr;
228 Elf64_Addr p_paddr;
229 Elf64_Xword p_filesz;
230 Elf64_Xword p_memsz;
231 Elf64_Xword p_align;
232} Elf64_Phdr;
233
234#define SHT_NULL 0
235#define SHT_PROGBITS 1
236#define SHT_SYMTAB 2
237#define SHT_STRTAB 3
238#define SHT_RELA 4
239#define SHT_HASH 5
240#define SHT_DYNAMIC 6
241#define SHT_NOTE 7
242#define SHT_NOBITS 8
243#define SHT_REL 9
244#define SHT_SHLIB 10
245#define SHT_DYNSYM 11
246#define SHT_NUM 12
247#define SHT_LOPROC 0x70000000
248#define SHT_HIPROC 0x7fffffff
249#define SHT_LOUSER 0x80000000
250#define SHT_HIUSER 0xffffffff
251
252#define SHF_WRITE 0x1
253#define SHF_ALLOC 0x2
254#define SHF_EXECINSTR 0x4
255#define SHF_MASKPROC 0xf0000000
256
257#define SHN_UNDEF 0
258#define SHN_LORESERVE 0xff00
259#define SHN_LOPROC 0xff00
260#define SHN_HIPROC 0xff1f
261#define SHN_ABS 0xfff1
262#define SHN_COMMON 0xfff2
263#define SHN_HIRESERVE 0xffff
264
265typedef struct {
266 Elf32_Word sh_name;
267 Elf32_Word sh_type;
268 Elf32_Word sh_flags;
269 Elf32_Addr sh_addr;
270 Elf32_Off sh_offset;
271 Elf32_Word sh_size;
272 Elf32_Word sh_link;
273 Elf32_Word sh_info;
274 Elf32_Word sh_addralign;
275 Elf32_Word sh_entsize;
276} Elf32_Shdr;
277
278typedef struct elf64_shdr {
279 Elf64_Word sh_name;
280 Elf64_Word sh_type;
281 Elf64_Xword sh_flags;
282 Elf64_Addr sh_addr;
283 Elf64_Off sh_offset;
284 Elf64_Xword sh_size;
285 Elf64_Word sh_link;
286 Elf64_Word sh_info;
287 Elf64_Xword sh_addralign;
288 Elf64_Xword sh_entsize;
289} Elf64_Shdr;
290
291#define EI_MAG0 0
292#define EI_MAG1 1
293#define EI_MAG2 2
294#define EI_MAG3 3
295#define EI_CLASS 4
296#define EI_DATA 5
297#define EI_VERSION 6
298#define EI_OSABI 7
299#define EI_PAD 8
300
301#define ELFMAG0 0x7f
302#define ELFMAG1 'E'
303#define ELFMAG2 'L'
304#define ELFMAG3 'F'
305#define ELFMAG "\177ELF"
306#define SELFMAG 4
307
308#define ELFCLASSNONE 0
309#define ELFCLASS32 1
310#define ELFCLASS64 2
311#define ELFCLASSNUM 3
312
313#define ELFDATANONE 0
314#define ELFDATA2LSB 1
315#define ELFDATA2MSB 2
316
317#define EV_NONE 0
318#define EV_CURRENT 1
319#define EV_NUM 2
320
321#define ELFOSABI_NONE 0
322#define ELFOSABI_LINUX 3
323
324#ifndef ELF_OSABI
325#define ELF_OSABI ELFOSABI_NONE
326#endif
327
328#define NT_PRSTATUS 1
329#define NT_PRFPREG 2
330#define NT_PRPSINFO 3
331#define NT_TASKSTRUCT 4
332#define NT_AUXV 6
333#define NT_PRXFPREG 0x46e62b7f
334
335typedef struct elf32_note {
336 Elf32_Word n_namesz;
337 Elf32_Word n_descsz;
338 Elf32_Word n_type;
339} Elf32_Nhdr;
340
341typedef struct elf64_note {
342 Elf64_Word n_namesz;
343 Elf64_Word n_descsz;
344 Elf64_Word n_type;
345} Elf64_Nhdr;
346
347#if ELF_CLASS == ELFCLASS32
348
349#define elfhdr elf32_hdr
350#define elf_phdr elf32_phdr
351#define elf_note elf32_note
352
353#else
354
355#define elfhdr elf64_hdr
356#define elf_phdr elf64_phdr
357#define elf_note elf64_note
358
359#endif
360
361#endif
362