]>
Commit | Line | Data |
---|---|---|
607ca46e DH |
1 | #ifndef _UAPI_LINUX_ELF_H |
2 | #define _UAPI_LINUX_ELF_H | |
3 | ||
4 | #include <linux/types.h> | |
5 | #include <linux/elf-em.h> | |
6 | ||
7 | /* 32-bit ELF base types. */ | |
8 | typedef __u32 Elf32_Addr; | |
9 | typedef __u16 Elf32_Half; | |
10 | typedef __u32 Elf32_Off; | |
11 | typedef __s32 Elf32_Sword; | |
12 | typedef __u32 Elf32_Word; | |
13 | ||
14 | /* 64-bit ELF base types. */ | |
15 | typedef __u64 Elf64_Addr; | |
16 | typedef __u16 Elf64_Half; | |
17 | typedef __s16 Elf64_SHalf; | |
18 | typedef __u64 Elf64_Off; | |
19 | typedef __s32 Elf64_Sword; | |
20 | typedef __u32 Elf64_Word; | |
21 | typedef __u64 Elf64_Xword; | |
22 | typedef __s64 Elf64_Sxword; | |
23 | ||
24 | /* These constants are for the segment types stored in the image headers */ | |
25 | #define PT_NULL 0 | |
26 | #define PT_LOAD 1 | |
27 | #define PT_DYNAMIC 2 | |
28 | #define PT_INTERP 3 | |
29 | #define PT_NOTE 4 | |
30 | #define PT_SHLIB 5 | |
31 | #define PT_PHDR 6 | |
32 | #define PT_TLS 7 /* Thread local storage segment */ | |
33 | #define PT_LOOS 0x60000000 /* OS-specific */ | |
34 | #define PT_HIOS 0x6fffffff /* OS-specific */ | |
35 | #define PT_LOPROC 0x70000000 | |
36 | #define PT_HIPROC 0x7fffffff | |
37 | #define PT_GNU_EH_FRAME 0x6474e550 | |
38 | ||
39 | #define PT_GNU_STACK (PT_LOOS + 0x474e551) | |
63d9c273 MT |
40 | #define PT_GNU_RELRO (PT_LOOS + 0x474e552) |
41 | ||
42 | #define PT_PAX_FLAGS (PT_LOOS + 0x5041580) | |
43 | ||
44 | /* Constants for the e_flags field */ | |
45 | #define EF_PAX_PAGEEXEC 1 /* Paging based non-executable pages */ | |
46 | #define EF_PAX_EMUTRAMP 2 /* Emulate trampolines */ | |
47 | #define EF_PAX_MPROTECT 4 /* Restrict mprotect() */ | |
48 | #define EF_PAX_RANDMMAP 8 /* Randomize mmap() base */ | |
49 | /*#define EF_PAX_RANDEXEC 16*/ /* Randomize ET_EXEC base */ | |
50 | #define EF_PAX_SEGMEXEC 32 /* Segmentation based non-executable pages */ | |
607ca46e DH |
51 | |
52 | /* | |
53 | * Extended Numbering | |
54 | * | |
55 | * If the real number of program header table entries is larger than | |
56 | * or equal to PN_XNUM(0xffff), it is set to sh_info field of the | |
57 | * section header at index 0, and PN_XNUM is set to e_phnum | |
58 | * field. Otherwise, the section header at index 0 is zero | |
59 | * initialized, if it exists. | |
60 | * | |
61 | * Specifications are available in: | |
62 | * | |
242260fb CK |
63 | * - Oracle: Linker and Libraries. |
64 | * Part No: 817–1984–19, August 2011. | |
65 | * http://docs.oracle.com/cd/E18752_01/pdf/817-1984.pdf | |
607ca46e DH |
66 | * |
67 | * - System V ABI AMD64 Architecture Processor Supplement | |
242260fb CK |
68 | * Draft Version 0.99.4, |
69 | * January 13, 2010. | |
70 | * http://www.cs.washington.edu/education/courses/cse351/12wi/supp-docs/abi.pdf | |
607ca46e DH |
71 | */ |
72 | #define PN_XNUM 0xffff | |
73 | ||
74 | /* These constants define the different elf file types */ | |
75 | #define ET_NONE 0 | |
76 | #define ET_REL 1 | |
77 | #define ET_EXEC 2 | |
78 | #define ET_DYN 3 | |
79 | #define ET_CORE 4 | |
80 | #define ET_LOPROC 0xff00 | |
81 | #define ET_HIPROC 0xffff | |
82 | ||
83 | /* This is the info that is needed to parse the dynamic section of the file */ | |
84 | #define DT_NULL 0 | |
85 | #define DT_NEEDED 1 | |
86 | #define DT_PLTRELSZ 2 | |
87 | #define DT_PLTGOT 3 | |
88 | #define DT_HASH 4 | |
89 | #define DT_STRTAB 5 | |
90 | #define DT_SYMTAB 6 | |
91 | #define DT_RELA 7 | |
92 | #define DT_RELASZ 8 | |
93 | #define DT_RELAENT 9 | |
94 | #define DT_STRSZ 10 | |
95 | #define DT_SYMENT 11 | |
96 | #define DT_INIT 12 | |
97 | #define DT_FINI 13 | |
98 | #define DT_SONAME 14 | |
99 | #define DT_RPATH 15 | |
100 | #define DT_SYMBOLIC 16 | |
101 | #define DT_REL 17 | |
102 | #define DT_RELSZ 18 | |
103 | #define DT_RELENT 19 | |
104 | #define DT_PLTREL 20 | |
105 | #define DT_DEBUG 21 | |
106 | #define DT_TEXTREL 22 | |
107 | #define DT_JMPREL 23 | |
63d9c273 MT |
108 | #define DT_FLAGS 30 |
109 | #define DF_TEXTREL 0x00000004 | |
607ca46e DH |
110 | #define DT_ENCODING 32 |
111 | #define OLD_DT_LOOS 0x60000000 | |
112 | #define DT_LOOS 0x6000000d | |
113 | #define DT_HIOS 0x6ffff000 | |
114 | #define DT_VALRNGLO 0x6ffffd00 | |
115 | #define DT_VALRNGHI 0x6ffffdff | |
116 | #define DT_ADDRRNGLO 0x6ffffe00 | |
117 | #define DT_ADDRRNGHI 0x6ffffeff | |
118 | #define DT_VERSYM 0x6ffffff0 | |
119 | #define DT_RELACOUNT 0x6ffffff9 | |
120 | #define DT_RELCOUNT 0x6ffffffa | |
121 | #define DT_FLAGS_1 0x6ffffffb | |
122 | #define DT_VERDEF 0x6ffffffc | |
123 | #define DT_VERDEFNUM 0x6ffffffd | |
124 | #define DT_VERNEED 0x6ffffffe | |
125 | #define DT_VERNEEDNUM 0x6fffffff | |
126 | #define OLD_DT_HIOS 0x6fffffff | |
127 | #define DT_LOPROC 0x70000000 | |
128 | #define DT_HIPROC 0x7fffffff | |
129 | ||
130 | /* This info is needed when parsing the symbol table */ | |
131 | #define STB_LOCAL 0 | |
132 | #define STB_GLOBAL 1 | |
133 | #define STB_WEAK 2 | |
134 | ||
135 | #define STT_NOTYPE 0 | |
136 | #define STT_OBJECT 1 | |
137 | #define STT_FUNC 2 | |
138 | #define STT_SECTION 3 | |
139 | #define STT_FILE 4 | |
140 | #define STT_COMMON 5 | |
141 | #define STT_TLS 6 | |
142 | ||
143 | #define ELF_ST_BIND(x) ((x) >> 4) | |
144 | #define ELF_ST_TYPE(x) (((unsigned int) x) & 0xf) | |
145 | #define ELF32_ST_BIND(x) ELF_ST_BIND(x) | |
146 | #define ELF32_ST_TYPE(x) ELF_ST_TYPE(x) | |
147 | #define ELF64_ST_BIND(x) ELF_ST_BIND(x) | |
148 | #define ELF64_ST_TYPE(x) ELF_ST_TYPE(x) | |
149 | ||
150 | typedef struct dynamic{ | |
151 | Elf32_Sword d_tag; | |
152 | union{ | |
153 | Elf32_Sword d_val; | |
154 | Elf32_Addr d_ptr; | |
155 | } d_un; | |
156 | } Elf32_Dyn; | |
157 | ||
158 | typedef struct { | |
159 | Elf64_Sxword d_tag; /* entry tag value */ | |
160 | union { | |
161 | Elf64_Xword d_val; | |
162 | Elf64_Addr d_ptr; | |
163 | } d_un; | |
164 | } Elf64_Dyn; | |
165 | ||
166 | /* The following are used with relocations */ | |
167 | #define ELF32_R_SYM(x) ((x) >> 8) | |
168 | #define ELF32_R_TYPE(x) ((x) & 0xff) | |
169 | ||
170 | #define ELF64_R_SYM(i) ((i) >> 32) | |
171 | #define ELF64_R_TYPE(i) ((i) & 0xffffffff) | |
172 | ||
173 | typedef struct elf32_rel { | |
174 | Elf32_Addr r_offset; | |
175 | Elf32_Word r_info; | |
176 | } Elf32_Rel; | |
177 | ||
178 | typedef struct elf64_rel { | |
179 | Elf64_Addr r_offset; /* Location at which to apply the action */ | |
180 | Elf64_Xword r_info; /* index and type of relocation */ | |
181 | } Elf64_Rel; | |
182 | ||
183 | typedef struct elf32_rela{ | |
184 | Elf32_Addr r_offset; | |
185 | Elf32_Word r_info; | |
186 | Elf32_Sword r_addend; | |
187 | } Elf32_Rela; | |
188 | ||
189 | typedef struct elf64_rela { | |
190 | Elf64_Addr r_offset; /* Location at which to apply the action */ | |
191 | Elf64_Xword r_info; /* index and type of relocation */ | |
192 | Elf64_Sxword r_addend; /* Constant addend used to compute value */ | |
193 | } Elf64_Rela; | |
194 | ||
195 | typedef struct elf32_sym{ | |
196 | Elf32_Word st_name; | |
197 | Elf32_Addr st_value; | |
198 | Elf32_Word st_size; | |
199 | unsigned char st_info; | |
200 | unsigned char st_other; | |
201 | Elf32_Half st_shndx; | |
202 | } Elf32_Sym; | |
203 | ||
204 | typedef struct elf64_sym { | |
205 | Elf64_Word st_name; /* Symbol name, index in string tbl */ | |
206 | unsigned char st_info; /* Type and binding attributes */ | |
207 | unsigned char st_other; /* No defined meaning, 0 */ | |
208 | Elf64_Half st_shndx; /* Associated section index */ | |
209 | Elf64_Addr st_value; /* Value of the symbol */ | |
210 | Elf64_Xword st_size; /* Associated symbol size */ | |
211 | } Elf64_Sym; | |
212 | ||
213 | ||
214 | #define EI_NIDENT 16 | |
215 | ||
216 | typedef struct elf32_hdr{ | |
217 | unsigned char e_ident[EI_NIDENT]; | |
218 | Elf32_Half e_type; | |
219 | Elf32_Half e_machine; | |
220 | Elf32_Word e_version; | |
221 | Elf32_Addr e_entry; /* Entry point */ | |
222 | Elf32_Off e_phoff; | |
223 | Elf32_Off e_shoff; | |
224 | Elf32_Word e_flags; | |
225 | Elf32_Half e_ehsize; | |
226 | Elf32_Half e_phentsize; | |
227 | Elf32_Half e_phnum; | |
228 | Elf32_Half e_shentsize; | |
229 | Elf32_Half e_shnum; | |
230 | Elf32_Half e_shstrndx; | |
231 | } Elf32_Ehdr; | |
232 | ||
233 | typedef struct elf64_hdr { | |
234 | unsigned char e_ident[EI_NIDENT]; /* ELF "magic number" */ | |
235 | Elf64_Half e_type; | |
236 | Elf64_Half e_machine; | |
237 | Elf64_Word e_version; | |
238 | Elf64_Addr e_entry; /* Entry point virtual address */ | |
239 | Elf64_Off e_phoff; /* Program header table file offset */ | |
240 | Elf64_Off e_shoff; /* Section header table file offset */ | |
241 | Elf64_Word e_flags; | |
242 | Elf64_Half e_ehsize; | |
243 | Elf64_Half e_phentsize; | |
244 | Elf64_Half e_phnum; | |
245 | Elf64_Half e_shentsize; | |
246 | Elf64_Half e_shnum; | |
247 | Elf64_Half e_shstrndx; | |
248 | } Elf64_Ehdr; | |
249 | ||
250 | /* These constants define the permissions on sections in the program | |
251 | header, p_flags. */ | |
252 | #define PF_R 0x4 | |
253 | #define PF_W 0x2 | |
254 | #define PF_X 0x1 | |
255 | ||
63d9c273 MT |
256 | #define PF_PAGEEXEC (1U << 4) /* Enable PAGEEXEC */ |
257 | #define PF_NOPAGEEXEC (1U << 5) /* Disable PAGEEXEC */ | |
258 | #define PF_SEGMEXEC (1U << 6) /* Enable SEGMEXEC */ | |
259 | #define PF_NOSEGMEXEC (1U << 7) /* Disable SEGMEXEC */ | |
260 | #define PF_MPROTECT (1U << 8) /* Enable MPROTECT */ | |
261 | #define PF_NOMPROTECT (1U << 9) /* Disable MPROTECT */ | |
262 | /*#define PF_RANDEXEC (1U << 10)*/ /* Enable RANDEXEC */ | |
263 | /*#define PF_NORANDEXEC (1U << 11)*/ /* Disable RANDEXEC */ | |
264 | #define PF_EMUTRAMP (1U << 12) /* Enable EMUTRAMP */ | |
265 | #define PF_NOEMUTRAMP (1U << 13) /* Disable EMUTRAMP */ | |
266 | #define PF_RANDMMAP (1U << 14) /* Enable RANDMMAP */ | |
267 | #define PF_NORANDMMAP (1U << 15) /* Disable RANDMMAP */ | |
268 | ||
607ca46e DH |
269 | typedef struct elf32_phdr{ |
270 | Elf32_Word p_type; | |
271 | Elf32_Off p_offset; | |
272 | Elf32_Addr p_vaddr; | |
273 | Elf32_Addr p_paddr; | |
274 | Elf32_Word p_filesz; | |
275 | Elf32_Word p_memsz; | |
276 | Elf32_Word p_flags; | |
277 | Elf32_Word p_align; | |
278 | } Elf32_Phdr; | |
279 | ||
280 | typedef struct elf64_phdr { | |
281 | Elf64_Word p_type; | |
282 | Elf64_Word p_flags; | |
283 | Elf64_Off p_offset; /* Segment file offset */ | |
284 | Elf64_Addr p_vaddr; /* Segment virtual address */ | |
285 | Elf64_Addr p_paddr; /* Segment physical address */ | |
286 | Elf64_Xword p_filesz; /* Segment size in file */ | |
287 | Elf64_Xword p_memsz; /* Segment size in memory */ | |
288 | Elf64_Xword p_align; /* Segment alignment, file & memory */ | |
289 | } Elf64_Phdr; | |
290 | ||
291 | /* sh_type */ | |
292 | #define SHT_NULL 0 | |
293 | #define SHT_PROGBITS 1 | |
294 | #define SHT_SYMTAB 2 | |
295 | #define SHT_STRTAB 3 | |
296 | #define SHT_RELA 4 | |
297 | #define SHT_HASH 5 | |
298 | #define SHT_DYNAMIC 6 | |
299 | #define SHT_NOTE 7 | |
300 | #define SHT_NOBITS 8 | |
301 | #define SHT_REL 9 | |
302 | #define SHT_SHLIB 10 | |
303 | #define SHT_DYNSYM 11 | |
304 | #define SHT_NUM 12 | |
305 | #define SHT_LOPROC 0x70000000 | |
306 | #define SHT_HIPROC 0x7fffffff | |
307 | #define SHT_LOUSER 0x80000000 | |
308 | #define SHT_HIUSER 0xffffffff | |
309 | ||
310 | /* sh_flags */ | |
311 | #define SHF_WRITE 0x1 | |
312 | #define SHF_ALLOC 0x2 | |
313 | #define SHF_EXECINSTR 0x4 | |
314 | #define SHF_MASKPROC 0xf0000000 | |
315 | ||
316 | /* special section indexes */ | |
317 | #define SHN_UNDEF 0 | |
318 | #define SHN_LORESERVE 0xff00 | |
319 | #define SHN_LOPROC 0xff00 | |
320 | #define SHN_HIPROC 0xff1f | |
321 | #define SHN_ABS 0xfff1 | |
322 | #define SHN_COMMON 0xfff2 | |
323 | #define SHN_HIRESERVE 0xffff | |
324 | ||
325 | typedef struct elf32_shdr { | |
326 | Elf32_Word sh_name; | |
327 | Elf32_Word sh_type; | |
328 | Elf32_Word sh_flags; | |
329 | Elf32_Addr sh_addr; | |
330 | Elf32_Off sh_offset; | |
331 | Elf32_Word sh_size; | |
332 | Elf32_Word sh_link; | |
333 | Elf32_Word sh_info; | |
334 | Elf32_Word sh_addralign; | |
335 | Elf32_Word sh_entsize; | |
336 | } Elf32_Shdr; | |
337 | ||
338 | typedef struct elf64_shdr { | |
339 | Elf64_Word sh_name; /* Section name, index in string tbl */ | |
340 | Elf64_Word sh_type; /* Type of section */ | |
341 | Elf64_Xword sh_flags; /* Miscellaneous section attributes */ | |
342 | Elf64_Addr sh_addr; /* Section virtual addr at execution */ | |
343 | Elf64_Off sh_offset; /* Section file offset */ | |
344 | Elf64_Xword sh_size; /* Size of section in bytes */ | |
345 | Elf64_Word sh_link; /* Index of another section */ | |
346 | Elf64_Word sh_info; /* Additional section information */ | |
347 | Elf64_Xword sh_addralign; /* Section alignment */ | |
348 | Elf64_Xword sh_entsize; /* Entry size if section holds table */ | |
349 | } Elf64_Shdr; | |
350 | ||
351 | #define EI_MAG0 0 /* e_ident[] indexes */ | |
352 | #define EI_MAG1 1 | |
353 | #define EI_MAG2 2 | |
354 | #define EI_MAG3 3 | |
355 | #define EI_CLASS 4 | |
356 | #define EI_DATA 5 | |
357 | #define EI_VERSION 6 | |
358 | #define EI_OSABI 7 | |
359 | #define EI_PAD 8 | |
360 | ||
63d9c273 MT |
361 | #define EI_PAX 14 |
362 | ||
607ca46e DH |
363 | #define ELFMAG0 0x7f /* EI_MAG */ |
364 | #define ELFMAG1 'E' | |
365 | #define ELFMAG2 'L' | |
366 | #define ELFMAG3 'F' | |
367 | #define ELFMAG "\177ELF" | |
368 | #define SELFMAG 4 | |
369 | ||
370 | #define ELFCLASSNONE 0 /* EI_CLASS */ | |
371 | #define ELFCLASS32 1 | |
372 | #define ELFCLASS64 2 | |
373 | #define ELFCLASSNUM 3 | |
374 | ||
375 | #define ELFDATANONE 0 /* e_ident[EI_DATA] */ | |
376 | #define ELFDATA2LSB 1 | |
377 | #define ELFDATA2MSB 2 | |
378 | ||
379 | #define EV_NONE 0 /* e_version, EI_VERSION */ | |
380 | #define EV_CURRENT 1 | |
381 | #define EV_NUM 2 | |
382 | ||
383 | #define ELFOSABI_NONE 0 | |
384 | #define ELFOSABI_LINUX 3 | |
385 | ||
386 | #ifndef ELF_OSABI | |
387 | #define ELF_OSABI ELFOSABI_NONE | |
388 | #endif | |
389 | ||
390 | /* | |
391 | * Notes used in ET_CORE. Architectures export some of the arch register sets | |
392 | * using the corresponding note types via the PTRACE_GETREGSET and | |
393 | * PTRACE_SETREGSET requests. | |
394 | */ | |
395 | #define NT_PRSTATUS 1 | |
396 | #define NT_PRFPREG 2 | |
397 | #define NT_PRPSINFO 3 | |
398 | #define NT_TASKSTRUCT 4 | |
399 | #define NT_AUXV 6 | |
400 | /* | |
401 | * Note to userspace developers: size of NT_SIGINFO note may increase | |
402 | * in the future to accomodate more fields, don't assume it is fixed! | |
403 | */ | |
404 | #define NT_SIGINFO 0x53494749 | |
405 | #define NT_FILE 0x46494c45 | |
406 | #define NT_PRXFPREG 0x46e62b7f /* copied from gdb5.1/include/elf/common.h */ | |
407 | #define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */ | |
408 | #define NT_PPC_SPE 0x101 /* PowerPC SPE/EVR registers */ | |
409 | #define NT_PPC_VSX 0x102 /* PowerPC VSX registers */ | |
410 | #define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */ | |
411 | #define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */ | |
412 | #define NT_X86_XSTATE 0x202 /* x86 extended state using xsave */ | |
413 | #define NT_S390_HIGH_GPRS 0x300 /* s390 upper register halves */ | |
414 | #define NT_S390_TIMER 0x301 /* s390 timer register */ | |
415 | #define NT_S390_TODCMP 0x302 /* s390 TOD clock comparator register */ | |
416 | #define NT_S390_TODPREG 0x303 /* s390 TOD programmable register */ | |
417 | #define NT_S390_CTRS 0x304 /* s390 control registers */ | |
418 | #define NT_S390_PREFIX 0x305 /* s390 prefix register */ | |
419 | #define NT_S390_LAST_BREAK 0x306 /* s390 breaking event address */ | |
420 | #define NT_S390_SYSTEM_CALL 0x307 /* s390 system call restart data */ | |
421 | #define NT_S390_TDB 0x308 /* s390 transaction diagnostic block */ | |
80703617 MS |
422 | #define NT_S390_VXRS_LOW 0x309 /* s390 vector registers 0-15 upper half */ |
423 | #define NT_S390_VXRS_HIGH 0x30a /* s390 vector registers 16-31 */ | |
607ca46e DH |
424 | #define NT_ARM_VFP 0x400 /* ARM VFP/NEON registers */ |
425 | #define NT_ARM_TLS 0x401 /* ARM TLS register */ | |
426 | #define NT_ARM_HW_BREAK 0x402 /* ARM hardware breakpoint registers */ | |
427 | #define NT_ARM_HW_WATCH 0x403 /* ARM hardware watchpoint registers */ | |
766a85d7 | 428 | #define NT_ARM_SYSTEM_CALL 0x404 /* ARM system call number */ |
bc3966bf JH |
429 | #define NT_METAG_CBUF 0x500 /* Metag catch buffer registers */ |
430 | #define NT_METAG_RPIPE 0x501 /* Metag read pipeline state */ | |
876d6dcd | 431 | #define NT_METAG_TLS 0x502 /* Metag TLS pointer */ |
607ca46e DH |
432 | |
433 | ||
434 | /* Note header in a PT_NOTE section */ | |
435 | typedef struct elf32_note { | |
436 | Elf32_Word n_namesz; /* Name size */ | |
437 | Elf32_Word n_descsz; /* Content size */ | |
438 | Elf32_Word n_type; /* Content type */ | |
439 | } Elf32_Nhdr; | |
440 | ||
441 | /* Note header in a PT_NOTE section */ | |
442 | typedef struct elf64_note { | |
443 | Elf64_Word n_namesz; /* Name size */ | |
444 | Elf64_Word n_descsz; /* Content size */ | |
445 | Elf64_Word n_type; /* Content type */ | |
446 | } Elf64_Nhdr; | |
447 | ||
448 | #endif /* _UAPI_LINUX_ELF_H */ |