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* sysdeps/m68k/dl-machine.h (RTLD_START): Readd _dl_start_user
[glibc/pb-stable.git] / elf / elf.h
blobb84301131261435eba732e351182f6e410dac392
1 /* This file defines standard ELF types, structures, and macros.
2 Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
19
20 #ifndef _ELF_H
21 #define _ELF_H 1
22
23 #include <features.h>
24
25 __BEGIN_DECLS
26
27 /* Standard ELF types. */
28
29 #include <stdint.h>
30
31 /* Type for a 16-bit quantity. */
32 typedef uint16_t Elf32_Half;
33 typedef uint16_t Elf64_Half;
34
35 /* Types for signed and unsigned 32-bit quantities. */
36 typedef uint32_t Elf32_Word;
37 typedef int32_t Elf32_Sword;
38 typedef uint32_t Elf64_Word;
39 typedef int32_t Elf64_Sword;
40
41 /* Types for signed and unsigned 64-bit quantities. */
42 typedef uint64_t Elf32_Xword;
43 typedef int64_t Elf32_Sxword;
44 typedef uint64_t Elf64_Xword;
45 typedef int64_t Elf64_Sxword;
46
47 /* Type of addresses. */
48 typedef uint32_t Elf32_Addr;
49 typedef uint64_t Elf64_Addr;
50
51 /* Type of file offsets. */
52 typedef uint32_t Elf32_Off;
53 typedef uint64_t Elf64_Off;
54
55 /* Type for section indices, which are 16-bit quantities. */
56 typedef uint16_t Elf32_Section;
57 typedef uint16_t Elf64_Section;
58
59 /* Type for version symbol information. */
60 typedef Elf32_Half Elf32_Versym;
61 typedef Elf64_Half Elf64_Versym;
62
63
64 /* The ELF file header. This appears at the start of every ELF file. */
65
66 #define EI_NIDENT (16)
67
68 typedef struct
69 {
70 unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
71 Elf32_Half e_type; /* Object file type */
72 Elf32_Half e_machine; /* Architecture */
73 Elf32_Word e_version; /* Object file version */
74 Elf32_Addr e_entry; /* Entry point virtual address */
75 Elf32_Off e_phoff; /* Program header table file offset */
76 Elf32_Off e_shoff; /* Section header table file offset */
77 Elf32_Word e_flags; /* Processor-specific flags */
78 Elf32_Half e_ehsize; /* ELF header size in bytes */
79 Elf32_Half e_phentsize; /* Program header table entry size */
80 Elf32_Half e_phnum; /* Program header table entry count */
81 Elf32_Half e_shentsize; /* Section header table entry size */
82 Elf32_Half e_shnum; /* Section header table entry count */
83 Elf32_Half e_shstrndx; /* Section header string table index */
84 } Elf32_Ehdr;
85
86 typedef struct
87 {
88 unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
89 Elf64_Half e_type; /* Object file type */
90 Elf64_Half e_machine; /* Architecture */
91 Elf64_Word e_version; /* Object file version */
92 Elf64_Addr e_entry; /* Entry point virtual address */
93 Elf64_Off e_phoff; /* Program header table file offset */
94 Elf64_Off e_shoff; /* Section header table file offset */
95 Elf64_Word e_flags; /* Processor-specific flags */
96 Elf64_Half e_ehsize; /* ELF header size in bytes */
97 Elf64_Half e_phentsize; /* Program header table entry size */
98 Elf64_Half e_phnum; /* Program header table entry count */
99 Elf64_Half e_shentsize; /* Section header table entry size */
100 Elf64_Half e_shnum; /* Section header table entry count */
101 Elf64_Half e_shstrndx; /* Section header string table index */
102 } Elf64_Ehdr;
103
104 /* Fields in the e_ident array. The EI_* macros are indices into the
105 array. The macros under each EI_* macro are the values the byte
106 may have. */
107
108 #define EI_MAG0 0 /* File identification byte 0 index */
109 #define ELFMAG0 0x7f /* Magic number byte 0 */
110
111 #define EI_MAG1 1 /* File identification byte 1 index */
112 #define ELFMAG1 'E' /* Magic number byte 1 */
113
114 #define EI_MAG2 2 /* File identification byte 2 index */
115 #define ELFMAG2 'L' /* Magic number byte 2 */
116
117 #define EI_MAG3 3 /* File identification byte 3 index */
118 #define ELFMAG3 'F' /* Magic number byte 3 */
119
120 /* Conglomeration of the identification bytes, for easy testing as a word. */
121 #define ELFMAG "\177ELF"
122 #define SELFMAG 4
123
124 #define EI_CLASS 4 /* File class byte index */
125 #define ELFCLASSNONE 0 /* Invalid class */
126 #define ELFCLASS32 1 /* 32-bit objects */
127 #define ELFCLASS64 2 /* 64-bit objects */
128 #define ELFCLASSNUM 3
129
130 #define EI_DATA 5 /* Data encoding byte index */
131 #define ELFDATANONE 0 /* Invalid data encoding */
132 #define ELFDATA2LSB 1 /* 2's complement, little endian */
133 #define ELFDATA2MSB 2 /* 2's complement, big endian */
134 #define ELFDATANUM 3
135
136 #define EI_VERSION 6 /* File version byte index */
137 /* Value must be EV_CURRENT */
138
139 #define EI_OSABI 7 /* OS ABI identification */
140 #define ELFOSABI_SYSV 0 /* UNIX System V ABI */
141 #define ELFOSABI_HPUX 1 /* HP-UX */
142 #define ELFOSABI_ARM 97 /* ARM */
143 #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
144
145 #define EI_ABIVERSION 8 /* ABI version */
146
147 #define EI_PAD 9 /* Byte index of padding bytes */
148
149 /* Legal values for e_type (object file type). */
150
151 #define ET_NONE 0 /* No file type */
152 #define ET_REL 1 /* Relocatable file */
153 #define ET_EXEC 2 /* Executable file */
154 #define ET_DYN 3 /* Shared object file */
155 #define ET_CORE 4 /* Core file */
156 #define ET_NUM 5 /* Number of defined types */
157 #define ET_LOOS 0xfe00 /* OS-specific range start */
158 #define ET_HIOS 0xfeff /* OS-specific range end */
159 #define ET_LOPROC 0xff00 /* Processor-specific range start */
160 #define ET_HIPROC 0xffff /* Processor-specific range end */
161
162 /* Legal values for e_machine (architecture). */
163
164 #define EM_NONE 0 /* No machine */
165 #define EM_M32 1 /* AT&T WE 32100 */
166 #define EM_SPARC 2 /* SUN SPARC */
167 #define EM_386 3 /* Intel 80386 */
168 #define EM_68K 4 /* Motorola m68k family */
169 #define EM_88K 5 /* Motorola m88k family */
170 #define EM_860 7 /* Intel 80860 */
171 #define EM_MIPS 8 /* MIPS R3000 big-endian */
172 #define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian */
173
174 #define EM_PARISC 15 /* HPPA */
175 #define EM_VPP500 17 /* Fujitsu VPP500 */
176 #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
177 #define EM_960 19 /* Intel 80960 */
178 #define EM_PPC 20 /* PowerPC */
179 #define EM_PPC64 21 /* PowerPC 64-bit */
180
181 #define EM_V800 36 /* NEC V800 series */
182 #define EM_FR20 37 /* Fujitsu FR20 */
183 #define EM_RH32 38 /* TRW RH-32 */
184 #define EM_RCE 39 /* Motorola RCE */
185 #define EM_ARM 40 /* ARM */
186 #define EM_FAKE_ALPHA 41 /* Digital Alpha */
187 #define EM_SH 42 /* Hitachi SH */
188 #define EM_SPARCV9 43 /* SPARC v9 64-bit */
189 #define EM_TRICORE 44 /* Siemens Tricore */
190 #define EM_ARC 45 /* Argonaut RISC Core */
191 #define EM_H8_300 46 /* Hitachi H8/300 */
192 #define EM_H8_300H 47 /* Hitachi H8/300H */
193 #define EM_H8S 48 /* Hitachi H8S */
194 #define EM_H8_500 49 /* Hitachi H8/500 */
195 #define EM_IA_64 50 /* Intel Merced */
196 #define EM_MIPS_X 51 /* Stanford MIPS-X */
197 #define EM_COLDFIRE 52 /* Motorola Coldfire */
198 #define EM_68HC12 53 /* Motorola M68HC12 */
199 #define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator*/
200 #define EM_PCP 55 /* Siemens PCP */
201 #define EM_NCPU 56 /* Sony nCPU embeeded RISC */
202 #define EM_NDR1 57 /* Denso NDR1 microprocessor */
203 #define EM_STARCORE 58 /* Motorola Start*Core processor */
204 #define EM_ME16 59 /* Toyota ME16 processor */
205 #define EM_ST100 60 /* STMicroelectronic ST100 processor */
206 #define EM_TINYJ 61 /* Advanced Logic Corp. Tinyj emb.fam*/
207
208 #define EM_FX66 66 /* Siemens FX66 microcontroller */
209 #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 mc */
210 #define EM_ST7 68 /* STmicroelectronics ST7 8 bit mc */
211 #define EM_68HC16 69 /* Motorola MC68HC16 microcontroller */
212 #define EM_68HC11 70 /* Motorola MC68HC11 microcontroller */
213 #define EM_68HC08 71 /* Motorola MC68HC08 microcontroller */
214 #define EM_68HC05 72 /* Motorola MC68HC05 microcontroller */
215 #define EM_SVX 73 /* Silicon Graphics SVx */
216 #define EM_AT19 74 /* STMicroelectronics ST19 8 bit mc */
217 #define EM_VAX 75 /* Digital VAX */
218 #define EM_NUM 76
219
220 /* If it is necessary to assign new unofficial EM_* values, please
221 pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the
222 chances of collision with official or non-GNU unofficial values. */
223
224 #define EM_ALPHA 0x9026
225
226 /* Legal values for e_version (version). */
227
228 #define EV_NONE 0 /* Invalid ELF version */
229 #define EV_CURRENT 1 /* Current version */
230 #define EV_NUM 2
231
232 /* Section header. */
233
234 typedef struct
235 {
236 Elf32_Word sh_name; /* Section name (string tbl index) */
237 Elf32_Word sh_type; /* Section type */
238 Elf32_Word sh_flags; /* Section flags */
239 Elf32_Addr sh_addr; /* Section virtual addr at execution */
240 Elf32_Off sh_offset; /* Section file offset */
241 Elf32_Word sh_size; /* Section size in bytes */
242 Elf32_Word sh_link; /* Link to another section */
243 Elf32_Word sh_info; /* Additional section information */
244 Elf32_Word sh_addralign; /* Section alignment */
245 Elf32_Word sh_entsize; /* Entry size if section holds table */
246 } Elf32_Shdr;
247
248 typedef struct
249 {
250 Elf64_Word sh_name; /* Section name (string tbl index) */
251 Elf64_Word sh_type; /* Section type */
252 Elf64_Xword sh_flags; /* Section flags */
253 Elf64_Addr sh_addr; /* Section virtual addr at execution */
254 Elf64_Off sh_offset; /* Section file offset */
255 Elf64_Xword sh_size; /* Section size in bytes */
256 Elf64_Word sh_link; /* Link to another section */
257 Elf64_Word sh_info; /* Additional section information */
258 Elf64_Xword sh_addralign; /* Section alignment */
259 Elf64_Xword sh_entsize; /* Entry size if section holds table */
260 } Elf64_Shdr;
261
262 /* Special section indices. */
263
264 #define SHN_UNDEF 0 /* Undefined section */
265 #define SHN_LORESERVE 0xff00 /* Start of reserved indices */
266 #define SHN_LOPROC 0xff00 /* Start of processor-specific */
267 #define SHN_HIPROC 0xff1f /* End of processor-specific */
268 #define SHN_LOOS 0xff20 /* Start of OS-specific */
269 #define SHN_HIOS 0xff3f /* End of OS-specific */
270 #define SHN_ABS 0xfff1 /* Associated symbol is absolute */
271 #define SHN_COMMON 0xfff2 /* Associated symbol is common */
272 #define SHN_HIRESERVE 0xffff /* End of reserved indices */
273
274 /* Legal values for sh_type (section type). */
275
276 #define SHT_NULL 0 /* Section header table entry unused */
277 #define SHT_PROGBITS 1 /* Program data */
278 #define SHT_SYMTAB 2 /* Symbol table */
279 #define SHT_STRTAB 3 /* String table */
280 #define SHT_RELA 4 /* Relocation entries with addends */
281 #define SHT_HASH 5 /* Symbol hash table */
282 #define SHT_DYNAMIC 6 /* Dynamic linking information */
283 #define SHT_NOTE 7 /* Notes */
284 #define SHT_NOBITS 8 /* Program space with no data (bss) */
285 #define SHT_REL 9 /* Relocation entries, no addends */
286 #define SHT_SHLIB 10 /* Reserved */
287 #define SHT_DYNSYM 11 /* Dynamic linker symbol table */
288 #define SHT_INIT_ARRAY 14 /* Array of constructors */
289 #define SHT_FINI_ARRAY 15 /* Array of destructors */
290 #define SHT_PREINIT_ARRAY 16 /* Array of pre-constructors */
291 #define SHT_NUM 17 /* Number of defined types. */
292 #define SHT_LOOS 0x60000000 /* Start OS-specific */
293 #define SHT_LOSUNW 0x6ffffffb /* Sun-specific low bound. */
294 #define SHT_SUNW_COMDAT 0x6ffffffb
295 #define SHT_SUNW_syminfo 0x6ffffffc
296 #define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */
297 #define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */
298 #define SHT_GNU_versym 0x6fffffff /* Version symbol table. */
299 #define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */
300 #define SHT_HIOS 0x6fffffff /* End OS-specific type */
301 #define SHT_LOPROC 0x70000000 /* Start of processor-specific */
302 #define SHT_HIPROC 0x7fffffff /* End of processor-specific */
303 #define SHT_LOUSER 0x80000000 /* Start of application-specific */
304 #define SHT_HIUSER 0x8fffffff /* End of application-specific */
305
306 /* Legal values for sh_flags (section flags). */
307
308 #define SHF_WRITE (1 << 0) /* Writable */
309 #define SHF_ALLOC (1 << 1) /* Occupies memory during execution */
310 #define SHF_EXECINSTR (1 << 2) /* Executable */
311 #define SHF_MERGE (1 << 4) /* Might be merged */
312 #define SHF_STRINGS (1 << 5) /* Contains nul-terminated strings */
313 #define SHF_INFO_LINK (1 << 6) /* `sh_info' contains SHT index */
314 #define SHF_LINK_ORDER (1 << 7) /* Preserve order after combining */
315 #define SHF_OS_NONCONFORMING (1 << 8) /* Non-standard OS specific handling
316 required */
317 #define SHF_MASKOS 0x0ff00000 /* OS-specific. */
318 #define SHF_MASKPROC 0xf0000000 /* Processor-specific */
319
320 /* Symbol table entry. */
321
322 typedef struct
323 {
324 Elf32_Word st_name; /* Symbol name (string tbl index) */
325 Elf32_Addr st_value; /* Symbol value */
326 Elf32_Word st_size; /* Symbol size */
327 unsigned char st_info; /* Symbol type and binding */
328 unsigned char st_other; /* Symbol visibility */
329 Elf32_Section st_shndx; /* Section index */
330 } Elf32_Sym;
331
332 typedef struct
333 {
334 Elf64_Word st_name; /* Symbol name (string tbl index) */
335 unsigned char st_info; /* Symbol type and binding */
336 unsigned char st_other; /* Symbol visibility */
337 Elf64_Section st_shndx; /* Section index */
338 Elf64_Addr st_value; /* Symbol value */
339 Elf64_Xword st_size; /* Symbol size */
340 } Elf64_Sym;
341
342 /* The syminfo section if available contains additional information about
343 every dynamic symbol. */
344
345 typedef struct
346 {
347 Elf32_Half si_boundto; /* Direct bindings, symbol bound to */
348 Elf32_Half si_flags; /* Per symbol flags */
349 } Elf32_Syminfo;
350
351 typedef struct
352 {
353 Elf64_Half si_boundto; /* Direct bindings, symbol bound to */
354 Elf64_Half si_flags; /* Per symbol flags */
355 } Elf64_Syminfo;
356
357 /* Possible values for si_boundto. */
358 #define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */
359 #define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */
360 #define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */
361
362 /* Possible bitmasks for si_flags. */
363 #define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */
364 #define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */
365 #define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */
366 #define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy
367 loaded */
368 /* Syminfo version values. */
369 #define SYMINFO_NONE 0
370 #define SYMINFO_CURRENT 1
371 #define SYMINFO_NUM 2
372
373
374 /* Special section index. */
375
376 #define SHN_UNDEF 0 /* No section, undefined symbol. */
377
378 /* How to extract and insert information held in the st_info field. */
379
380 #define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4)
381 #define ELF32_ST_TYPE(val) ((val) & 0xf)
382 #define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
383
384 /* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field. */
385 #define ELF64_ST_BIND(val) ELF32_ST_BIND (val)
386 #define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val)
387 #define ELF64_ST_INFO(bind, type) ELF32_ST_INFO ((bind), (type))
388
389 /* Legal values for ST_BIND subfield of st_info (symbol binding). */
390
391 #define STB_LOCAL 0 /* Local symbol */
392 #define STB_GLOBAL 1 /* Global symbol */
393 #define STB_WEAK 2 /* Weak symbol */
394 #define STB_NUM 3 /* Number of defined types. */
395 #define STB_LOOS 10 /* Start of OS-specific */
396 #define STB_HIOS 12 /* End of OS-specific */
397 #define STB_LOPROC 13 /* Start of processor-specific */
398 #define STB_HIPROC 15 /* End of processor-specific */
399
400 /* Legal values for ST_TYPE subfield of st_info (symbol type). */
401
402 #define STT_NOTYPE 0 /* Symbol type is unspecified */
403 #define STT_OBJECT 1 /* Symbol is a data object */
404 #define STT_FUNC 2 /* Symbol is a code object */
405 #define STT_SECTION 3 /* Symbol associated with a section */
406 #define STT_FILE 4 /* Symbol's name is file name */
407 #define STT_COMMON 5 /* Symbol is a common data object */
408 #define STT_NUM 6 /* Number of defined types. */
409 #define STT_LOOS 10 /* Start of OS-specific */
410 #define STT_HIOS 12 /* End of OS-specific */
411 #define STT_LOPROC 13 /* Start of processor-specific */
412 #define STT_HIPROC 15 /* End of processor-specific */
413
414
415 /* Symbol table indices are found in the hash buckets and chain table
416 of a symbol hash table section. This special index value indicates
417 the end of a chain, meaning no further symbols are found in that bucket. */
418
419 #define STN_UNDEF 0 /* End of a chain. */
420
421
422 /* How to extract and insert information held in the st_other field. */
423
424 #define ELF32_ST_VISIBILITY(o) ((o) & 0x03)
425
426 /* For ELF64 the definitions are the same. */
427 #define ELF64_ST_VISIBILITY(o) ELF32_ST_VISIBILITY (o)
428
429 /* Symbol visibility specification encoded in the st_other field. */
430 #define STV_DEFAULT 0 /* Default symbol visibility rules */
431 #define STV_INTERNAL 1 /* Processor specific hidden class */
432 #define STV_HIDDEN 2 /* Sym unavailable in other modules */
433 #define STV_PROTECTED 3 /* Not preemptible, not exported */
434
435
436 /* Relocation table entry without addend (in section of type SHT_REL). */
437
438 typedef struct
439 {
440 Elf32_Addr r_offset; /* Address */
441 Elf32_Word r_info; /* Relocation type and symbol index */
442 } Elf32_Rel;
443
444 /* I have seen two different definitions of the Elf64_Rel and
445 Elf64_Rela structures, so we'll leave them out until Novell (or
446 whoever) gets their act together. */
447 /* The following, at least, is used on Sparc v9, MIPS, and Alpha. */
448
449 typedef struct
450 {
451 Elf64_Addr r_offset; /* Address */
452 Elf64_Xword r_info; /* Relocation type and symbol index */
453 } Elf64_Rel;
454
455 /* Relocation table entry with addend (in section of type SHT_RELA). */
456
457 typedef struct
458 {
459 Elf32_Addr r_offset; /* Address */
460 Elf32_Word r_info; /* Relocation type and symbol index */
461 Elf32_Sword r_addend; /* Addend */
462 } Elf32_Rela;
463
464 typedef struct
465 {
466 Elf64_Addr r_offset; /* Address */
467 Elf64_Xword r_info; /* Relocation type and symbol index */
468 Elf64_Sxword r_addend; /* Addend */
469 } Elf64_Rela;
470
471 /* How to extract and insert information held in the r_info field. */
472
473 #define ELF32_R_SYM(val) ((val) >> 8)
474 #define ELF32_R_TYPE(val) ((val) & 0xff)
475 #define ELF32_R_INFO(sym, type) (((sym) << 8) + ((type) & 0xff))
476
477 #define ELF64_R_SYM(i) ((i) >> 32)
478 #define ELF64_R_TYPE(i) ((i) & 0xffffffff)
479 #define ELF64_R_INFO(sym,type) (((sym) << 32) + (type))
480
481 /* Program segment header. */
482
483 typedef struct
484 {
485 Elf32_Word p_type; /* Segment type */
486 Elf32_Off p_offset; /* Segment file offset */
487 Elf32_Addr p_vaddr; /* Segment virtual address */
488 Elf32_Addr p_paddr; /* Segment physical address */
489 Elf32_Word p_filesz; /* Segment size in file */
490 Elf32_Word p_memsz; /* Segment size in memory */
491 Elf32_Word p_flags; /* Segment flags */
492 Elf32_Word p_align; /* Segment alignment */
493 } Elf32_Phdr;
494
495 typedef struct
496 {
497 Elf64_Word p_type; /* Segment type */
498 Elf64_Word p_flags; /* Segment flags */
499 Elf64_Off p_offset; /* Segment file offset */
500 Elf64_Addr p_vaddr; /* Segment virtual address */
501 Elf64_Addr p_paddr; /* Segment physical address */
502 Elf64_Xword p_filesz; /* Segment size in file */
503 Elf64_Xword p_memsz; /* Segment size in memory */
504 Elf64_Xword p_align; /* Segment alignment */
505 } Elf64_Phdr;
506
507 /* Legal values for p_type (segment type). */
508
509 #define PT_NULL 0 /* Program header table entry unused */
510 #define PT_LOAD 1 /* Loadable program segment */
511 #define PT_DYNAMIC 2 /* Dynamic linking information */
512 #define PT_INTERP 3 /* Program interpreter */
513 #define PT_NOTE 4 /* Auxiliary information */
514 #define PT_SHLIB 5 /* Reserved */
515 #define PT_PHDR 6 /* Entry for header table itself */
516 #define PT_NUM 7 /* Number of defined types */
517 #define PT_LOOS 0x60000000 /* Start of OS-specific */
518 #define PT_HIOS 0x6fffffff /* End of OS-specific */
519 #define PT_LOPROC 0x70000000 /* Start of processor-specific */
520 #define PT_HIPROC 0x7fffffff /* End of processor-specific */
521
522 /* Legal values for p_flags (segment flags). */
523
524 #define PF_X (1 << 0) /* Segment is executable */
525 #define PF_W (1 << 1) /* Segment is writable */
526 #define PF_R (1 << 2) /* Segment is readable */
527 #define PF_MASKOS 0x0ff00000 /* OS-specific */
528 #define PF_MASKPROC 0xf0000000 /* Processor-specific */
529
530 /* Legal values for note segment descriptor types for core files. */
531
532 #define NT_PRSTATUS 1 /* Contains copy of prstatus struct */
533 #define NT_FPREGSET 2 /* Contains copy of fpregset struct */
534 #define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */
535 #define NT_PRXREG 4 /* Contains copy of prxregset struct */
536 #define NT_PLATFORM 5 /* String from sysinfo(SI_PLATFORM) */
537 #define NT_AUXV 6 /* Contains copy of auxv array */
538 #define NT_GWINDOWS 7 /* Contains copy of gwindows struct */
539 #define NT_PSTATUS 10 /* Contains copy of pstatus struct */
540 #define NT_PSINFO 13 /* Contains copy of psinfo struct */
541 #define NT_PRCRED 14 /* Contains copy of prcred struct */
542 #define NT_UTSNAME 15 /* Contains copy of utsname struct */
543 #define NT_LWPSTATUS 16 /* Contains copy of lwpstatus struct */
544 #define NT_LWPSINFO 17 /* Contains copy of lwpinfo struct */
545
546 /* Legal values for the note segment descriptor types for object files. */
547
548 #define NT_VERSION 1 /* Contains a version string. */
549
550
551 /* Dynamic section entry. */
552
553 typedef struct
554 {
555 Elf32_Sword d_tag; /* Dynamic entry type */
556 union
557 {
558 Elf32_Word d_val; /* Integer value */
559 Elf32_Addr d_ptr; /* Address value */
560 } d_un;
561 } Elf32_Dyn;
562
563 typedef struct
564 {
565 Elf64_Sxword d_tag; /* Dynamic entry type */
566 union
567 {
568 Elf64_Xword d_val; /* Integer value */
569 Elf64_Addr d_ptr; /* Address value */
570 } d_un;
571 } Elf64_Dyn;
572
573 /* Legal values for d_tag (dynamic entry type). */
574
575 #define DT_NULL 0 /* Marks end of dynamic section */
576 #define DT_NEEDED 1 /* Name of needed library */
577 #define DT_PLTRELSZ 2 /* Size in bytes of PLT relocs */
578 #define DT_PLTGOT 3 /* Processor defined value */
579 #define DT_HASH 4 /* Address of symbol hash table */
580 #define DT_STRTAB 5 /* Address of string table */
581 #define DT_SYMTAB 6 /* Address of symbol table */
582 #define DT_RELA 7 /* Address of Rela relocs */
583 #define DT_RELASZ 8 /* Total size of Rela relocs */
584 #define DT_RELAENT 9 /* Size of one Rela reloc */
585 #define DT_STRSZ 10 /* Size of string table */
586 #define DT_SYMENT 11 /* Size of one symbol table entry */
587 #define DT_INIT 12 /* Address of init function */
588 #define DT_FINI 13 /* Address of termination function */
589 #define DT_SONAME 14 /* Name of shared object */
590 #define DT_RPATH 15 /* Library search path (deprecated) */
591 #define DT_SYMBOLIC 16 /* Start symbol search here */
592 #define DT_REL 17 /* Address of Rel relocs */
593 #define DT_RELSZ 18 /* Total size of Rel relocs */
594 #define DT_RELENT 19 /* Size of one Rel reloc */
595 #define DT_PLTREL 20 /* Type of reloc in PLT */
596 #define DT_DEBUG 21 /* For debugging; unspecified */
597 #define DT_TEXTREL 22 /* Reloc might modify .text */
598 #define DT_JMPREL 23 /* Address of PLT relocs */
599 #define DT_BIND_NOW 24 /* Process relocations of object */
600 #define DT_INIT_ARRAY 25 /* Array with addresses of init fct */
601 #define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */
602 #define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */
603 #define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */
604 #define DT_RUNPATH 29 /* Library search path */
605 #define DT_FLAGS 30 /* Flags for the object being loaded */
606 #define DT_ENCODING 32 /* Start of encoded range */
607 #define DT_PREINIT_ARRAY 32 /* Array with addresses of preinit fct*/
608 #define DT_PREINIT_ARRAYSZ 33 /* size in bytes of DT_PREINIT_ARRAY */
609 #define DT_NUM 34 /* Number used */
610 #define DT_LOOS 0x60000000 /* Start of OS-specific */
611 #define DT_HIOS 0x6fffffff /* End of OS-specific */
612 #define DT_LOPROC 0x70000000 /* Start of processor-specific */
613 #define DT_HIPROC 0x7fffffff /* End of processor-specific */
614 #define DT_PROCNUM DT_MIPS_NUM /* Most used by any processor */
615
616 /* DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the
617 Dyn.d_un.d_val field of the Elf*_Dyn structure. This follows Sun's
618 approach. */
619 #define DT_VALRNGLO 0x6ffffd00
620 #define DT_POSFLAG_1 0x6ffffdfd /* Flags for DT_* entries, effecting
621 the following DT_* entry. */
622 #define DT_SYMINSZ 0x6ffffdfe /* Size of syminfo table (in bytes) */
623 #define DT_SYMINENT 0x6ffffdff /* Entry size of syminfo */
624 #define DT_VALRNGHI 0x6ffffdff
625
626 /* DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the
627 Dyn.d_un.d_ptr field of the Elf*_Dyn structure.
628
629 If any adjustment is made to the ELF object after it has been
630 built these entries will need to be adjusted. */
631 #define DT_ADDRRNGLO 0x6ffffe00
632 #define DT_SYMINFO 0x6ffffeff /* syminfo table */
633 #define DT_ADDRRNGHI 0x6ffffeff
634
635 /* The versioning entry types. The next are defined as part of the
636 GNU extension. */
637 #define DT_VERSYM 0x6ffffff0
638
639 /* These were chosen by Sun. */
640 #define DT_FLAGS_1 0x6ffffffb /* State flags, see DF_1_* below. */
641 #define DT_VERDEF 0x6ffffffc /* Address of version definition
642 table */
643 #define DT_VERDEFNUM 0x6ffffffd /* Number of version definitions */
644 #define DT_VERNEED 0x6ffffffe /* Address of table with needed
645 versions */
646 #define DT_VERNEEDNUM 0x6fffffff /* Number of needed versions */
647 #define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */
648 #define DT_VERSIONTAGNUM 16
649
650 /* Sun added these machine-independent extensions in the "processor-specific"
651 range. Be compatible. */
652 #define DT_AUXILIARY 0x7ffffffd /* Shared object to load before self */
653 #define DT_FILTER 0x7fffffff /* Shared object to get values from */
654 #define DT_EXTRATAGIDX(tag) ((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1)
655 #define DT_EXTRANUM 3
656
657 /* Values of `d_un.d_val' in the DT_FLAGS entry. */
658 #define DF_ORIGIN 0x00000001 /* Object may use DF_ORIGIN */
659 #define DF_SYMBOLIC 0x00000002 /* Symbol resolutions starts here */
660 #define DF_TEXTREL 0x00000004 /* Object contains text relocations */
661 #define DF_BIND_NOW 0x00000008 /* No lazy binding for this object */
662
663 /* State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1
664 entry in the dynamic section. */
665 #define DF_1_NOW 0x00000001 /* Set RTLD_NOW for this object. */
666 #define DF_1_GLOBAL 0x00000002 /* Set RTLD_GLOBAL for this object. */
667 #define DF_1_GROUP 0x00000004 /* Set RTLD_GROUP for this object. */
668 #define DF_1_NODELETE 0x00000008 /* Set RTLD_NODELETE for this object.*/
669 #define DF_1_LOADFLTR 0x00000010 /* Trigger filtee loading at runtime.*/
670 #define DF_1_INITFIRST 0x00000020 /* Set RTLD_INITFIRST for this object*/
671 #define DF_1_NOOPEN 0x00000040 /* Set RTLD_NOOPEN for this object. */
672
673 /* Version definition sections. */
674
675 typedef struct
676 {
677 Elf32_Half vd_version; /* Version revision */
678 Elf32_Half vd_flags; /* Version information */
679 Elf32_Half vd_ndx; /* Version Index */
680 Elf32_Half vd_cnt; /* Number of associated aux entries */
681 Elf32_Word vd_hash; /* Version name hash value */
682 Elf32_Word vd_aux; /* Offset in bytes to verdaux array */
683 Elf32_Word vd_next; /* Offset in bytes to next verdef
684 entry */
685 } Elf32_Verdef;
686
687 typedef struct
688 {
689 Elf64_Half vd_version; /* Version revision */
690 Elf64_Half vd_flags; /* Version information */
691 Elf64_Half vd_ndx; /* Version Index */
692 Elf64_Half vd_cnt; /* Number of associated aux entries */
693 Elf64_Word vd_hash; /* Version name hash value */
694 Elf64_Word vd_aux; /* Offset in bytes to verdaux array */
695 Elf64_Word vd_next; /* Offset in bytes to next verdef
696 entry */
697 } Elf64_Verdef;
698
699
700 /* Legal values for vd_version (version revision). */
701 #define VER_DEF_NONE 0 /* No version */
702 #define VER_DEF_CURRENT 1 /* Current version */
703 #define VER_DEF_NUM 2 /* Given version number */
704
705 /* Legal values for vd_flags (version information flags). */
706 #define VER_FLG_BASE 0x1 /* Version definition of file itself */
707 #define VER_FLG_WEAK 0x2 /* Weak version identifier */
708
709 /* Auxialiary version information. */
710
711 typedef struct
712 {
713 Elf32_Word vda_name; /* Version or dependency names */
714 Elf32_Word vda_next; /* Offset in bytes to next verdaux
715 entry */
716 } Elf32_Verdaux;
717
718 typedef struct
719 {
720 Elf64_Word vda_name; /* Version or dependency names */
721 Elf64_Word vda_next; /* Offset in bytes to next verdaux
722 entry */
723 } Elf64_Verdaux;
724
725
726 /* Version dependency section. */
727
728 typedef struct
729 {
730 Elf32_Half vn_version; /* Version of structure */
731 Elf32_Half vn_cnt; /* Number of associated aux entries */
732 Elf32_Word vn_file; /* Offset of filename for this
733 dependency */
734 Elf32_Word vn_aux; /* Offset in bytes to vernaux array */
735 Elf32_Word vn_next; /* Offset in bytes to next verneed
736 entry */
737 } Elf32_Verneed;
738
739 typedef struct
740 {
741 Elf64_Half vn_version; /* Version of structure */
742 Elf64_Half vn_cnt; /* Number of associated aux entries */
743 Elf64_Word vn_file; /* Offset of filename for this
744 dependency */
745 Elf64_Word vn_aux; /* Offset in bytes to vernaux array */
746 Elf64_Word vn_next; /* Offset in bytes to next verneed
747 entry */
748 } Elf64_Verneed;
749
750
751 /* Legal values for vn_version (version revision). */
752 #define VER_NEED_NONE 0 /* No version */
753 #define VER_NEED_CURRENT 1 /* Current version */
754 #define VER_NEED_NUM 2 /* Given version number */
755
756 /* Auxiliary needed version information. */
757
758 typedef struct
759 {
760 Elf32_Word vna_hash; /* Hash value of dependency name */
761 Elf32_Half vna_flags; /* Dependency specific information */
762 Elf32_Half vna_other; /* Unused */
763 Elf32_Word vna_name; /* Dependency name string offset */
764 Elf32_Word vna_next; /* Offset in bytes to next vernaux
765 entry */
766 } Elf32_Vernaux;
767
768 typedef struct
769 {
770 Elf64_Word vna_hash; /* Hash value of dependency name */
771 Elf64_Half vna_flags; /* Dependency specific information */
772 Elf64_Half vna_other; /* Unused */
773 Elf64_Word vna_name; /* Dependency name string offset */
774 Elf64_Word vna_next; /* Offset in bytes to next vernaux
775 entry */
776 } Elf64_Vernaux;
777
778
779 /* Legal values for vna_flags. */
780 #define VER_FLG_WEAK 0x2 /* Weak version identifier */
781
782
783 /* Auxiliary vector. */
784
785 /* This vector is normally only used by the program interpreter. The
786 usual definition in an ABI supplement uses the name auxv_t. The
787 vector is not usually defined in a standard <elf.h> file, but it
788 can't hurt. We rename it to avoid conflicts. The sizes of these
789 types are an arrangement between the exec server and the program
790 interpreter, so we don't fully specify them here. */
791
792 typedef struct
793 {
794 int a_type; /* Entry type */
795 union
796 {
797 long int a_val; /* Integer value */
798 void *a_ptr; /* Pointer value */
799 void (*a_fcn) (void); /* Function pointer value */
800 } a_un;
801 } Elf32_auxv_t;
802
803 typedef struct
804 {
805 long int a_type; /* Entry type */
806 union
807 {
808 long int a_val; /* Integer value */
809 void *a_ptr; /* Pointer value */
810 void (*a_fcn) (void); /* Function pointer value */
811 } a_un;
812 } Elf64_auxv_t;
813
814 /* Legal values for a_type (entry type). */
815
816 #define AT_NULL 0 /* End of vector */
817 #define AT_IGNORE 1 /* Entry should be ignored */
818 #define AT_EXECFD 2 /* File descriptor of program */
819 #define AT_PHDR 3 /* Program headers for program */
820 #define AT_PHENT 4 /* Size of program header entry */
821 #define AT_PHNUM 5 /* Number of program headers */
822 #define AT_PAGESZ 6 /* System page size */
823 #define AT_BASE 7 /* Base address of interpreter */
824 #define AT_FLAGS 8 /* Flags */
825 #define AT_ENTRY 9 /* Entry point of program */
826 #define AT_NOTELF 10 /* Program is not ELF */
827 #define AT_UID 11 /* Real uid */
828 #define AT_EUID 12 /* Effective uid */
829 #define AT_GID 13 /* Real gid */
830 #define AT_EGID 14 /* Effective gid */
831
832 /* Some more special a_type values describing the hardware. */
833 #define AT_PLATFORM 15 /* String identifying platform. */
834 #define AT_HWCAP 16 /* Machine dependent hints about
835 processor capabilities. */
836
837 /* This entry gives some information about the FPU initialization
838 performed by the kernel. */
839 #define AT_FPUCW 17 /* Used FPU control word. */
840
841
842 /* Note section contents. Each entry in the note section begins with
843 a header of a fixed form. */
844
845 typedef struct
846 {
847 Elf32_Word n_namesz; /* Length of the note's name. */
848 Elf32_Word n_descsz; /* Length of the note's descriptor. */
849 Elf32_Word n_type; /* Type of the note. */
850 } Elf32_Nhdr;
851
852 typedef struct
853 {
854 Elf64_Word n_namesz; /* Length of the note's name. */
855 Elf64_Word n_descsz; /* Length of the note's descriptor. */
856 Elf64_Word n_type; /* Type of the note. */
857 } Elf64_Nhdr;
858
859 /* Known names of notes. */
860
861 /* Solaris entries in the note section have this name. */
862 #define ELF_NOTE_SOLARIS "SUNW Solaris"
863
864 /* Note entries for GNU systems have this name. */
865 #define ELF_NOTE_GNU "GNU"
866
867
868 /* Defined types of notes for Solaris. */
869
870 /* Value of descriptor (one word) is desired pagesize for the binary. */
871 #define ELF_NOTE_PAGESIZE_HINT 1
872
873
874 /* Defined note types for GNU systems. */
875
876 /* ABI information. The descriptor consists of words:
877 word 0: OS descriptor
878 word 1: major version of the ABI
879 word 2: minor version of the ABI
880 word 3: subminor version of the ABI
881 */
882 #define ELF_NOTE_ABI 1
883
884 /* Known OSes. These value can appear in word 0 of an ELF_NOTE_ABI
885 note section entry. */
886 #define ELF_NOTE_OS_LINUX 0
887 #define ELF_NOTE_OS_GNU 1
888 #define ELF_NOTE_OS_SOLARIS2 2
889
890
891 /* Motorola 68k specific definitions. */
892
893 /* Values for Elf32_Ehdr.e_flags. */
894 #define EF_CPU32 0x00810000
895
896 /* m68k relocs. */
897
898 #define R_68K_NONE 0 /* No reloc */
899 #define R_68K_32 1 /* Direct 32 bit */
900 #define R_68K_16 2 /* Direct 16 bit */
901 #define R_68K_8 3 /* Direct 8 bit */
902 #define R_68K_PC32 4 /* PC relative 32 bit */
903 #define R_68K_PC16 5 /* PC relative 16 bit */
904 #define R_68K_PC8 6 /* PC relative 8 bit */
905 #define R_68K_GOT32 7 /* 32 bit PC relative GOT entry */
906 #define R_68K_GOT16 8 /* 16 bit PC relative GOT entry */
907 #define R_68K_GOT8 9 /* 8 bit PC relative GOT entry */
908 #define R_68K_GOT32O 10 /* 32 bit GOT offset */
909 #define R_68K_GOT16O 11 /* 16 bit GOT offset */
910 #define R_68K_GOT8O 12 /* 8 bit GOT offset */
911 #define R_68K_PLT32 13 /* 32 bit PC relative PLT address */
912 #define R_68K_PLT16 14 /* 16 bit PC relative PLT address */
913 #define R_68K_PLT8 15 /* 8 bit PC relative PLT address */
914 #define R_68K_PLT32O 16 /* 32 bit PLT offset */
915 #define R_68K_PLT16O 17 /* 16 bit PLT offset */
916 #define R_68K_PLT8O 18 /* 8 bit PLT offset */
917 #define R_68K_COPY 19 /* Copy symbol at runtime */
918 #define R_68K_GLOB_DAT 20 /* Create GOT entry */
919 #define R_68K_JMP_SLOT 21 /* Create PLT entry */
920 #define R_68K_RELATIVE 22 /* Adjust by program base */
921 /* Keep this the last entry. */
922 #define R_68K_NUM 23
923
924 /* Intel 80386 specific definitions. */
925
926 /* i386 relocs. */
927
928 #define R_386_NONE 0 /* No reloc */
929 #define R_386_32 1 /* Direct 32 bit */
930 #define R_386_PC32 2 /* PC relative 32 bit */
931 #define R_386_GOT32 3 /* 32 bit GOT entry */
932 #define R_386_PLT32 4 /* 32 bit PLT address */
933 #define R_386_COPY 5 /* Copy symbol at runtime */
934 #define R_386_GLOB_DAT 6 /* Create GOT entry */
935 #define R_386_JMP_SLOT 7 /* Create PLT entry */
936 #define R_386_RELATIVE 8 /* Adjust by program base */
937 #define R_386_GOTOFF 9 /* 32 bit offset to GOT */
938 #define R_386_GOTPC 10 /* 32 bit PC relative offset to GOT */
939 /* Keep this the last entry. */
940 #define R_386_NUM 11
941
942 /* SUN SPARC specific definitions. */
943
944 /* Legal values for ST_TYPE subfield of st_info (symbol type). */
945
946 #define STT_REGISTER 13 /* Global register reserved to app. */
947
948 /* Values for Elf64_Ehdr.e_flags. */
949
950 #define EF_SPARCV9_MM 3
951 #define EF_SPARCV9_TSO 0
952 #define EF_SPARCV9_PSO 1
953 #define EF_SPARCV9_RMO 2
954 #define EF_SPARC_LEDATA 0x800000 /* little endian data */
955 #define EF_SPARC_EXT_MASK 0xFFFF00
956 #define EF_SPARC_32PLUS 0x000100 /* generic V8+ features */
957 #define EF_SPARC_SUN_US1 0x000200 /* Sun UltraSPARC1 extensions */
958 #define EF_SPARC_HAL_R1 0x000400 /* HAL R1 extensions */
959 #define EF_SPARC_SUN_US3 0x000800 /* Sun UltraSPARCIII extensions */
960
961 /* SPARC relocs. */
962
963 #define R_SPARC_NONE 0 /* No reloc */
964 #define R_SPARC_8 1 /* Direct 8 bit */
965 #define R_SPARC_16 2 /* Direct 16 bit */
966 #define R_SPARC_32 3 /* Direct 32 bit */
967 #define R_SPARC_DISP8 4 /* PC relative 8 bit */
968 #define R_SPARC_DISP16 5 /* PC relative 16 bit */
969 #define R_SPARC_DISP32 6 /* PC relative 32 bit */
970 #define R_SPARC_WDISP30 7 /* PC relative 30 bit shifted */
971 #define R_SPARC_WDISP22 8 /* PC relative 22 bit shifted */
972 #define R_SPARC_HI22 9 /* High 22 bit */
973 #define R_SPARC_22 10 /* Direct 22 bit */
974 #define R_SPARC_13 11 /* Direct 13 bit */
975 #define R_SPARC_LO10 12 /* Truncated 10 bit */
976 #define R_SPARC_GOT10 13 /* Truncated 10 bit GOT entry */
977 #define R_SPARC_GOT13 14 /* 13 bit GOT entry */
978 #define R_SPARC_GOT22 15 /* 22 bit GOT entry shifted */
979 #define R_SPARC_PC10 16 /* PC relative 10 bit truncated */
980 #define R_SPARC_PC22 17 /* PC relative 22 bit shifted */
981 #define R_SPARC_WPLT30 18 /* 30 bit PC relative PLT address */
982 #define R_SPARC_COPY 19 /* Copy symbol at runtime */
983 #define R_SPARC_GLOB_DAT 20 /* Create GOT entry */
984 #define R_SPARC_JMP_SLOT 21 /* Create PLT entry */
985 #define R_SPARC_RELATIVE 22 /* Adjust by program base */
986 #define R_SPARC_UA32 23 /* Direct 32 bit unaligned */
987
988 /* Additional Sparc64 relocs. */
989
990 #define R_SPARC_PLT32 24 /* Direct 32 bit ref to PLT entry */
991 #define R_SPARC_HIPLT22 25 /* High 22 bit PLT entry */
992 #define R_SPARC_LOPLT10 26 /* Truncated 10 bit PLT entry */
993 #define R_SPARC_PCPLT32 27 /* PC rel 32 bit ref to PLT entry */
994 #define R_SPARC_PCPLT22 28 /* PC rel high 22 bit PLT entry */
995 #define R_SPARC_PCPLT10 29 /* PC rel trunc 10 bit PLT entry */
996 #define R_SPARC_10 30 /* Direct 10 bit */
997 #define R_SPARC_11 31 /* Direct 11 bit */
998 #define R_SPARC_64 32 /* Direct 64 bit */
999 #define R_SPARC_OLO10 33 /* 10bit with secondary 13bit addend */
1000 #define R_SPARC_HH22 34 /* Top 22 bits of direct 64 bit */
1001 #define R_SPARC_HM10 35 /* High middle 10 bits of ... */
1002 #define R_SPARC_LM22 36 /* Low middle 22 bits of ... */
1003 #define R_SPARC_PC_HH22 37 /* Top 22 bits of pc rel 64 bit */
1004 #define R_SPARC_PC_HM10 38 /* High middle 10 bit of ... */
1005 #define R_SPARC_PC_LM22 39 /* Low miggle 22 bits of ... */
1006 #define R_SPARC_WDISP16 40 /* PC relative 16 bit shifted */
1007 #define R_SPARC_WDISP19 41 /* PC relative 19 bit shifted */
1008 #define R_SPARC_7 43 /* Direct 7 bit */
1009 #define R_SPARC_5 44 /* Direct 5 bit */
1010 #define R_SPARC_6 45 /* Direct 6 bit */
1011 #define R_SPARC_DISP64 46 /* PC relative 64 bit */
1012 #define R_SPARC_PLT64 47 /* Direct 64 bit ref to PLT entry */
1013 #define R_SPARC_HIX22 48 /* High 22 bit complemented */
1014 #define R_SPARC_LOX10 49 /* Truncated 11 bit complemented */
1015 #define R_SPARC_H44 50 /* Direct high 12 of 44 bit */
1016 #define R_SPARC_M44 51 /* Direct mid 22 of 44 bit */
1017 #define R_SPARC_L44 52 /* Direct low 10 of 44 bit */
1018 #define R_SPARC_REGISTER 53 /* Global register usage */
1019 #define R_SPARC_UA64 54 /* Direct 64 bit unaligned */
1020 #define R_SPARC_UA16 55 /* Direct 16 bit unaligned */
1021 /* Keep this the last entry. */
1022 #define R_SPARC_NUM 56
1023
1024 /* For Sparc64, legal values for d_tag of Elf64_Dyn. */
1025
1026 #define DT_SPARC_REGISTER 0x70000001
1027 #define DT_SPARC_NUM 2
1028
1029 /* Bits present in AT_HWCAP, primarily for Sparc32. */
1030
1031 #define HWCAP_SPARC_FLUSH 1 /* The cpu supports flush insn. */
1032 #define HWCAP_SPARC_STBAR 2
1033 #define HWCAP_SPARC_SWAP 4
1034 #define HWCAP_SPARC_MULDIV 8
1035 #define HWCAP_SPARC_V9 16 /* The cpu is v9, so v8plus is ok. */
1036
1037 /* MIPS R3000 specific definitions. */
1038
1039 /* Legal values for e_flags field of Elf32_Ehdr. */
1040
1041 #define EF_MIPS_NOREORDER 1 /* A .noreorder directive was used */
1042 #define EF_MIPS_PIC 2 /* Contains PIC code */
1043 #define EF_MIPS_CPIC 4 /* Uses PIC calling sequence */
1044 #define EF_MIPS_XGOT 8
1045 #define EF_MIPS_64BIT_WHIRL 16
1046 #define EF_MIPS_ABI2 32
1047 #define EF_MIPS_ABI_ON32 64
1048 #define EF_MIPS_ARCH 0xf0000000 /* MIPS architecture level */
1049
1050 /* Legal values for MIPS architecture level. */
1051
1052 #define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code. */
1053 #define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code. */
1054 #define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code. */
1055 #define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code. */
1056 #define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */
1057
1058 /* The following are non-official names and should not be used. */
1059
1060 #define E_MIPS_ARCH_1 0x00000000 /* -mips1 code. */
1061 #define E_MIPS_ARCH_2 0x10000000 /* -mips2 code. */
1062 #define E_MIPS_ARCH_3 0x20000000 /* -mips3 code. */
1063 #define E_MIPS_ARCH_4 0x30000000 /* -mips4 code. */
1064 #define E_MIPS_ARCH_5 0x40000000 /* -mips5 code. */
1065
1066 /* Special section indices. */
1067
1068 #define SHN_MIPS_ACOMMON 0xff00 /* Allocated common symbols */
1069 #define SHN_MIPS_TEXT 0xff01 /* Allocated test symbols. */
1070 #define SHN_MIPS_DATA 0xff02 /* Allocated data symbols. */
1071 #define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols */
1072 #define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined symbols */
1073
1074 /* Legal values for sh_type field of Elf32_Shdr. */
1075
1076 #define SHT_MIPS_LIBLIST 0x70000000 /* Shared objects used in link */
1077 #define SHT_MIPS_MSYM 0x70000001
1078 #define SHT_MIPS_CONFLICT 0x70000002 /* Conflicting symbols */
1079 #define SHT_MIPS_GPTAB 0x70000003 /* Global data area sizes */
1080 #define SHT_MIPS_UCODE 0x70000004 /* Reserved for SGI/MIPS compilers */
1081 #define SHT_MIPS_DEBUG 0x70000005 /* MIPS ECOFF debugging information*/
1082 #define SHT_MIPS_REGINFO 0x70000006 /* Register usage information */
1083 #define SHT_MIPS_PACKAGE 0x70000007
1084 #define SHT_MIPS_PACKSYM 0x70000008
1085 #define SHT_MIPS_RELD 0x70000009
1086 #define SHT_MIPS_IFACE 0x7000000b
1087 #define SHT_MIPS_CONTENT 0x7000000c
1088 #define SHT_MIPS_OPTIONS 0x7000000d /* Miscellaneous options. */
1089 #define SHT_MIPS_SHDR 0x70000010
1090 #define SHT_MIPS_FDESC 0x70000011
1091 #define SHT_MIPS_EXTSYM 0x70000012
1092 #define SHT_MIPS_DENSE 0x70000013
1093 #define SHT_MIPS_PDESC 0x70000014
1094 #define SHT_MIPS_LOCSYM 0x70000015
1095 #define SHT_MIPS_AUXSYM 0x70000016
1096 #define SHT_MIPS_OPTSYM 0x70000017
1097 #define SHT_MIPS_LOCSTR 0x70000018
1098 #define SHT_MIPS_LINE 0x70000019
1099 #define SHT_MIPS_RFDESC 0x7000001a
1100 #define SHT_MIPS_DELTASYM 0x7000001b
1101 #define SHT_MIPS_DELTAINST 0x7000001c
1102 #define SHT_MIPS_DELTACLASS 0x7000001d
1103 #define SHT_MIPS_DWARF 0x7000001e /* DWARF debugging information. */
1104 #define SHT_MIPS_DELTADECL 0x7000001f
1105 #define SHT_MIPS_SYMBOL_LIB 0x70000020
1106 #define SHT_MIPS_EVENTS 0x70000021 /* Event section. */
1107 #define SHT_MIPS_TRANSLATE 0x70000022
1108 #define SHT_MIPS_PIXIE 0x70000023
1109 #define SHT_MIPS_XLATE 0x70000024
1110 #define SHT_MIPS_XLATE_DEBUG 0x70000025
1111 #define SHT_MIPS_WHIRL 0x70000026
1112 #define SHT_MIPS_EH_REGION 0x70000027
1113 #define SHT_MIPS_XLATE_OLD 0x70000028
1114 #define SHT_MIPS_PDR_EXCEPTION 0x70000029
1115
1116 /* Legal values for sh_flags field of Elf32_Shdr. */
1117
1118 #define SHF_MIPS_GPREL 0x10000000 /* Must be part of global data area */
1119 #define SHF_MIPS_MERGE 0x20000000
1120 #define SHF_MIPS_ADDR 0x40000000
1121 #define SHF_MIPS_STRINGS 0x80000000
1122 #define SHF_MIPS_NOSTRIP 0x08000000
1123 #define SHF_MIPS_LOCAL 0x04000000
1124 #define SHF_MIPS_NAMES 0x02000000
1125 #define SHF_MIPS_NODUPE 0x01000000
1126
1127
1128 /* Symbol tables. */
1129
1130 /* MIPS specific values for `st_other'. */
1131 #define STO_MIPS_DEFAULT 0x0
1132 #define STO_MIPS_INTERNAL 0x1
1133 #define STO_MIPS_HIDDEN 0x2
1134 #define STO_MIPS_PROTECTED 0x3
1135 #define STO_MIPS_SC_ALIGN_UNUSED 0xff
1136
1137 /* MIPS specific values for `st_info'. */
1138 #define STB_MIPS_SPLIT_COMMON 13
1139
1140 /* Entries found in sections of type SHT_MIPS_GPTAB. */
1141
1142 typedef union
1143 {
1144 struct
1145 {
1146 Elf32_Word gt_current_g_value; /* -G value used for compilation */
1147 Elf32_Word gt_unused; /* Not used */
1148 } gt_header; /* First entry in section */
1149 struct
1150 {
1151 Elf32_Word gt_g_value; /* If this value were used for -G */
1152 Elf32_Word gt_bytes; /* This many bytes would be used */
1153 } gt_entry; /* Subsequent entries in section */
1154 } Elf32_gptab;
1155
1156 /* Entry found in sections of type SHT_MIPS_REGINFO. */
1157
1158 typedef struct
1159 {
1160 Elf32_Word ri_gprmask; /* General registers used */
1161 Elf32_Word ri_cprmask[4]; /* Coprocessor registers used */
1162 Elf32_Sword ri_gp_value; /* $gp register value */
1163 } Elf32_RegInfo;
1164
1165 /* Entries found in sections of type SHT_MIPS_OPTIONS. */
1166
1167 typedef struct
1168 {
1169 unsigned char kind; /* Determines interpretation of the
1170 variable part of descriptor. */
1171 unsigned char size; /* Size of descriptor, including header. */
1172 Elf32_Section section; /* Section header index of section affected,
1173 0 for global options. */
1174 Elf32_Word info; /* Kind-specific information. */
1175 } Elf_Options;
1176
1177 /* Values for `kind' field in Elf_Options. */
1178
1179 #define ODK_NULL 0 /* Undefined. */
1180 #define ODK_REGINFO 1 /* Register usage information. */
1181 #define ODK_EXCEPTIONS 2 /* Exception processing options. */
1182 #define ODK_PAD 3 /* Section padding options. */
1183 #define ODK_HWPATCH 4 /* Hardware workarounds performed */
1184 #define ODK_FILL 5 /* record the fill value used by the linker. */
1185 #define ODK_TAGS 6 /* reserve space for desktop tools to write. */
1186 #define ODK_HWAND 7 /* HW workarounds. 'AND' bits when merging. */
1187 #define ODK_HWOR 8 /* HW workarounds. 'OR' bits when merging. */
1188
1189 /* Values for `info' in Elf_Options for ODK_EXCEPTIONS entries. */
1190
1191 #define OEX_FPU_MIN 0x1f /* FPE's which MUST be enabled. */
1192 #define OEX_FPU_MAX 0x1f00 /* FPE's which MAY be enabled. */
1193 #define OEX_PAGE0 0x10000 /* page zero must be mapped. */
1194 #define OEX_SMM 0x20000 /* Force sequential memory mode? */
1195 #define OEX_FPDBUG 0x40000 /* Force floating point debug mode? */
1196 #define OEX_PRECISEFP OEX_FPDBUG
1197 #define OEX_DISMISS 0x80000 /* Dismiss invalid address faults? */
1198
1199 #define OEX_FPU_INVAL 0x10
1200 #define OEX_FPU_DIV0 0x08
1201 #define OEX_FPU_OFLO 0x04
1202 #define OEX_FPU_UFLO 0x02
1203 #define OEX_FPU_INEX 0x01
1204
1205 /* Masks for `info' in Elf_Options for an ODK_HWPATCH entry. */
1206
1207 #define OHW_R4KEOP 0x1 /* R4000 end-of-page patch. */
1208 #define OHW_R8KPFETCH 0x2 /* may need R8000 prefetch patch. */
1209 #define OHW_R5KEOP 0x4 /* R5000 end-of-page patch. */
1210 #define OHW_R5KCVTL 0x8 /* R5000 cvt.[ds].l bug. clean=1. */
1211
1212 #define OPAD_PREFIX 0x1
1213 #define OPAD_POSTFIX 0x2
1214 #define OPAD_SYMBOL 0x4
1215
1216 /* Entry found in `.options' section. */
1217
1218 typedef struct
1219 {
1220 Elf32_Word hwp_flags1; /* Extra flags. */
1221 Elf32_Word hwp_flags2; /* Extra flags. */
1222 } Elf_Options_Hw;
1223
1224 /* Masks for `info' in ElfOptions for ODK_HWAND and ODK_HWOR entries. */
1225
1226 #define OHWA0_R4KEOP_CHECKED 0x00000001
1227 #define OHWA1_R4KEOP_CLEAN 0x00000002
1228
1229 /* MIPS relocs. */
1230
1231 #define R_MIPS_NONE 0 /* No reloc */
1232 #define R_MIPS_16 1 /* Direct 16 bit */
1233 #define R_MIPS_32 2 /* Direct 32 bit */
1234 #define R_MIPS_REL32 3 /* PC relative 32 bit */
1235 #define R_MIPS_26 4 /* Direct 26 bit shifted */
1236 #define R_MIPS_HI16 5 /* High 16 bit */
1237 #define R_MIPS_LO16 6 /* Low 16 bit */
1238 #define R_MIPS_GPREL16 7 /* GP relative 16 bit */
1239 #define R_MIPS_LITERAL 8 /* 16 bit literal entry */
1240 #define R_MIPS_GOT16 9 /* 16 bit GOT entry */
1241 #define R_MIPS_PC16 10 /* PC relative 16 bit */
1242 #define R_MIPS_CALL16 11 /* 16 bit GOT entry for function */
1243 #define R_MIPS_GPREL32 12 /* GP relative 32 bit */
1244
1245 #define R_MIPS_SHIFT5 16
1246 #define R_MIPS_SHIFT6 17
1247 #define R_MIPS_64 18
1248 #define R_MIPS_GOT_DISP 19
1249 #define R_MIPS_GOT_PAGE 20
1250 #define R_MIPS_GOT_OFST 21
1251 #define R_MIPS_GOT_HI16 22
1252 #define R_MIPS_GOT_LO16 23
1253 #define R_MIPS_SUB 24
1254 #define R_MIPS_INSERT_A 25
1255 #define R_MIPS_INSERT_B 26
1256 #define R_MIPS_DELETE 27
1257 #define R_MIPS_HIGHER 28
1258 #define R_MIPS_HIGHEST 29
1259 #define R_MIPS_CALL_HI16 30
1260 #define R_MIPS_CALL_LO16 31
1261 #define R_MIPS_SCN_DISP 32
1262 #define R_MIPS_REL16 33
1263 #define R_MIPS_ADD_IMMEDIATE 34
1264 #define R_MIPS_PJUMP 35
1265 #define R_MIPS_RELGOT 36
1266 #define R_MIPS_JALR 37
1267 /* Keep this the last entry. */
1268 #define R_MIPS_NUM 38
1269
1270 /* Legal values for p_type field of Elf32_Phdr. */
1271
1272 #define PT_MIPS_REGINFO 0x70000000 /* Register usage information */
1273 #define PT_MIPS_RTPROC 0x70000001 /* Runtime procedure table. */
1274 #define PT_MIPS_OPTIONS 0x70000002
1275
1276 /* Special program header types. */
1277
1278 #define PF_MIPS_LOCAL 0x10000000
1279
1280 /* Legal values for d_tag field of Elf32_Dyn. */
1281
1282 #define DT_MIPS_RLD_VERSION 0x70000001 /* Runtime linker interface version */
1283 #define DT_MIPS_TIME_STAMP 0x70000002 /* Timestamp */
1284 #define DT_MIPS_ICHECKSUM 0x70000003 /* Checksum */
1285 #define DT_MIPS_IVERSION 0x70000004 /* Version string (string tbl index) */
1286 #define DT_MIPS_FLAGS 0x70000005 /* Flags */
1287 #define DT_MIPS_BASE_ADDRESS 0x70000006 /* Base address */
1288 #define DT_MIPS_MSYM 0x70000007
1289 #define DT_MIPS_CONFLICT 0x70000008 /* Address of CONFLICT section */
1290 #define DT_MIPS_LIBLIST 0x70000009 /* Address of LIBLIST section */
1291 #define DT_MIPS_LOCAL_GOTNO 0x7000000a /* Number of local GOT entries */
1292 #define DT_MIPS_CONFLICTNO 0x7000000b /* Number of CONFLICT entries */
1293 #define DT_MIPS_LIBLISTNO 0x70000010 /* Number of LIBLIST entries */
1294 #define DT_MIPS_SYMTABNO 0x70000011 /* Number of DYNSYM entries */
1295 #define DT_MIPS_UNREFEXTNO 0x70000012 /* First external DYNSYM */
1296 #define DT_MIPS_GOTSYM 0x70000013 /* First GOT entry in DYNSYM */
1297 #define DT_MIPS_HIPAGENO 0x70000014 /* Number of GOT page table entries */
1298 #define DT_MIPS_RLD_MAP 0x70000016 /* Address of run time loader map. */
1299 #define DT_MIPS_DELTA_CLASS 0x70000017 /* Delta C++ class definition. */
1300 #define DT_MIPS_DELTA_CLASS_NO 0x70000018 /* Number of entries in
1301 DT_MIPS_DELTA_CLASS. */
1302 #define DT_MIPS_DELTA_INSTANCE 0x70000019 /* Delta C++ class instances. */
1303 #define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a /* Number of entries in
1304 DT_MIPS_DELTA_INSTANCE. */
1305 #define DT_MIPS_DELTA_RELOC 0x7000001b /* Delta relocations. */
1306 #define DT_MIPS_DELTA_RELOC_NO 0x7000001c /* Number of entries in
1307 DT_MIPS_DELTA_RELOC. */
1308 #define DT_MIPS_DELTA_SYM 0x7000001d /* Delta symbols that Delta
1309 relocations refer to. */
1310 #define DT_MIPS_DELTA_SYM_NO 0x7000001e /* Number of entries in
1311 DT_MIPS_DELTA_SYM. */
1312 #define DT_MIPS_DELTA_CLASSSYM 0x70000020 /* Delta symbols that hold the
1313 class declaration. */
1314 #define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 /* Number of entries in
1315 DT_MIPS_DELTA_CLASSSYM. */
1316 #define DT_MIPS_CXX_FLAGS 0x70000022 /* Flags indicating for C++ flavor. */
1317 #define DT_MIPS_PIXIE_INIT 0x70000023
1318 #define DT_MIPS_SYMBOL_LIB 0x70000024
1319 #define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025
1320 #define DT_MIPS_LOCAL_GOTIDX 0x70000026
1321 #define DT_MIPS_HIDDEN_GOTIDX 0x70000027
1322 #define DT_MIPS_PROTECTED_GOTIDX 0x70000028
1323 #define DT_MIPS_OPTIONS 0x70000029 /* Address of .options. */
1324 #define DT_MIPS_INTERFACE 0x7000002a /* Address of .interface. */
1325 #define DT_MIPS_DYNSTR_ALIGN 0x7000002b
1326 #define DT_MIPS_INTERFACE_SIZE 0x7000002c /* Size of the .interface section. */
1327 #define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d /* Address of rld_text_rsolve
1328 function stored in GOT. */
1329 #define DT_MIPS_PERF_SUFFIX 0x7000002e /* Default suffix of dso to be added
1330 by rld on dlopen() calls. */
1331 #define DT_MIPS_COMPACT_SIZE 0x7000002f /* (O32)Size of compact rel section. */
1332 #define DT_MIPS_GP_VALUE 0x70000030 /* GP value for aux GOTs. */
1333 #define DT_MIPS_AUX_DYNAMIC 0x70000031 /* Address of aux .dynamic. */
1334 #define DT_MIPS_NUM 0x32
1335
1336 /* Legal values for DT_MIPS_FLAGS Elf32_Dyn entry. */
1337
1338 #define RHF_NONE 0 /* No flags */
1339 #define RHF_QUICKSTART (1 << 0) /* Use quickstart */
1340 #define RHF_NOTPOT (1 << 1) /* Hash size not power of 2 */
1341 #define RHF_NO_LIBRARY_REPLACEMENT (1 << 2) /* Ignore LD_LIBRARY_PATH */
1342 #define RHF_NO_MOVE (1 << 3)
1343 #define RHF_SGI_ONLY (1 << 4)
1344 #define RHF_GUARANTEE_INIT (1 << 5)
1345 #define RHF_DELTA_C_PLUS_PLUS (1 << 6)
1346 #define RHF_GUARANTEE_START_INIT (1 << 7)
1347 #define RHF_PIXIE (1 << 8)
1348 #define RHF_DEFAULT_DELAY_LOAD (1 << 9)
1349 #define RHF_REQUICKSTART (1 << 10)
1350 #define RHF_REQUICKSTARTED (1 << 11)
1351 #define RHF_CORD (1 << 12)
1352 #define RHF_NO_UNRES_UNDEF (1 << 13)
1353 #define RHF_RLD_ORDER_SAFE (1 << 14)
1354
1355 /* Entries found in sections of type SHT_MIPS_LIBLIST. */
1356
1357 typedef struct
1358 {
1359 Elf32_Word l_name; /* Name (string table index) */
1360 Elf32_Word l_time_stamp; /* Timestamp */
1361 Elf32_Word l_checksum; /* Checksum */
1362 Elf32_Word l_version; /* Interface version */
1363 Elf32_Word l_flags; /* Flags */
1364 } Elf32_Lib;
1365
1366 typedef struct
1367 {
1368 Elf64_Word l_name; /* Name (string table index) */
1369 Elf64_Word l_time_stamp; /* Timestamp */
1370 Elf64_Word l_checksum; /* Checksum */
1371 Elf64_Word l_version; /* Interface version */
1372 Elf64_Word l_flags; /* Flags */
1373 } Elf64_Lib;
1374
1375
1376 /* Legal values for l_flags. */
1377
1378 #define LL_NONE 0
1379 #define LL_EXACT_MATCH (1 << 0) /* Require exact match */
1380 #define LL_IGNORE_INT_VER (1 << 1) /* Ignore interface version */
1381 #define LL_REQUIRE_MINOR (1 << 2)
1382 #define LL_EXPORTS (1 << 3)
1383 #define LL_DELAY_LOAD (1 << 4)
1384 #define LL_DELTA (1 << 5)
1385
1386 /* Entries found in sections of type SHT_MIPS_CONFLICT. */
1387
1388 typedef Elf32_Addr Elf32_Conflict;
1389
1390
1391 /* HPPA specific definitions. */
1392
1393 /* Legal values for e_flags field of Elf32_Ehdr. */
1394
1395 #define EF_PARISC_TRAPNIL 0x00010000 /* Trap nil pointer dereference. */
1396 #define EF_PARISC_EXT 0x00020000 /* Program uses arch. extensions. */
1397 #define EF_PARISC_LSB 0x00040000 /* Program expects little endian. */
1398 #define EF_PARISC_WIDE 0x00080000 /* Program expects wide mode. */
1399 #define EF_PARISC_NO_KABP 0x00100000 /* No kernel assisted branch
1400 prediction. */
1401 #define EF_PARISC_LAZYSWAP 0x00400000 /* Allow lazy swapping. */
1402 #define EF_PARISC_ARCH 0x0000ffff /* Architecture version. */
1403
1404 /* Defined values for `e_flags & EF_PARISC_ARCH' are: */
1405
1406 #define EFA_PARISC_1_0 0x020b /* PA-RISC 1.0 big-endian. */
1407 #define EFA_PARISC_1_1 0x0210 /* PA-RISC 1.1 big-endian. */
1408 #define EFA_PARISC_2_0 0x0214 /* PA-RISC 2.0 big-endian. */
1409
1410 /* Additional section indeces. */
1411
1412 #define SHN_PARISC_ANSI_COMMON 0xff00 /* Section for tenatively declared
1413 symbols in ANSI C. */
1414 #define SHN_PARISC_HUGE_COMMON 0xff01 /* Common blocks in huge model. */
1415
1416 /* Legal values for sh_type field of Elf32_Shdr. */
1417
1418 #define SHT_PARISC_EXT 0x70000000 /* Contains product specific ext. */
1419 #define SHT_PARISC_UNWIND 0x70000001 /* Unwind information. */
1420 #define SHT_PARISC_DOC 0x70000002 /* Debug info for optimized code. */
1421
1422 /* Legal values for sh_flags field of Elf32_Shdr. */
1423
1424 #define SHF_PARISC_SHORT 0x20000000 /* Section with short addressing. */
1425 #define SHF_PARISC_HUGE 0x40000000 /* Section far from gp. */
1426 #define SHF_PARISC_SBP 0x80000000 /* Static branch prediction code. */
1427
1428 /* Legal values for ST_TYPE subfield of st_info (symbol type). */
1429
1430 #define STT_PARISC_MILLICODE 13 /* Millicode function entry point. */
1431
1432 #define STT_HP_OPAQUE (STT_LOOS + 0x1)
1433 #define STT_HP_STUB (STT_LOOS + 0x2)
1434
1435 /* HPPA relocs. */
1436
1437 #define R_PARISC_NONE 0 /* No reloc. */
1438 #define R_PARISC_DIR32 1 /* Direct 32-bit reference. */
1439 #define R_PARISC_DIR21L 2 /* Left 21 bits of eff. address. */
1440 #define R_PARISC_DIR17R 3 /* Right 17 bits of eff. address. */
1441 #define R_PARISC_DIR17F 4 /* 17 bits of eff. address. */
1442 #define R_PARISC_DIR14R 5 /* Right 14 bits of eff. address. */
1443 #define R_PARISC_PCREL32 9 /* 32-bit rel. address. */
1444 #define R_PARISC_PCREL21L 10 /* Left 21 bits of rel. address. */
1445 #define R_PARISC_PCREL17R 11 /* Right 17 bits of rel. address. */
1446 #define R_PARISC_PCREL17F 12 /* 17 bits of rel. address. */
1447 #define R_PARISC_PCREL14R 14 /* Right 14 bits of rel. address. */
1448 #define R_PARISC_GPREL21L 26 /* GP-relative, left 21 bits. */
1449 #define R_PARISC_GPREL14R 30 /* GP-relative, right 14 bits. */
1450 #define R_PARISC_LTOFF21L 34 /* LT-relative, left 21 bits. */
1451 #define R_PARISC_LTOFF14R 38 /* LT-relative, right 14 bits. */
1452 #define R_PARISC_SECREL32 41 /* 32 bits section rel. address. */
1453 #define R_PARISC_SEGBASE 48 /* No relocation, set segment base. */
1454 #define R_PARISC_SEGREL32 49 /* 32 bits segment rel. address. */
1455 #define R_PARISC_PLTOFF21L 50 /* PLT rel. address, left 21 bits. */
1456 #define R_PARISC_PLTOFF14R 54 /* PLT rel. address, right 14 bits. */
1457 #define R_PARISC_LTOFF_FPTR32 57 /* 32 bits LT-rel. function pointer. */
1458 #define R_PARISC_LTOFF_FPTR21L 58 /* LT-rel. fct ptr, left 21 bits. */
1459 #define R_PARISC_LTOFF_FPTR14R 62 /* LT-rel. fct ptr, right 14 bits. */
1460 #define R_PARISC_FPTR64 64 /* 64 bits function address. */
1461 #define R_PARISC_PCREL64 72 /* 64 bits PC-rel. address. */
1462 #define R_PARISC_PCREL22F 74 /* 22 bits PC-rel. address. */
1463 #define R_PARISC_PCREL14WR 75 /* PC-rel. address, right 14 bits. */
1464 #define R_PARISC_PCREL14DR 76 /* PC rel. address, right 14 bits. */
1465 #define R_PARISC_PCREL16F 77 /* 16 bits PC-rel. address. */
1466 #define R_PARISC_PCREL16WF 78 /* 16 bits PC-rel. address. */
1467 #define R_PARISC_PCREL16DF 79 /* 16 bits PC-rel. address. */
1468 #define R_PARISC_DIR64 80 /* 64 bits of eff. address. */
1469 #define R_PARISC_DIR14WR 83 /* 14 bits of eff. address. */
1470 #define R_PARISC_DIR14DR 84 /* 14 bits of eff. address. */
1471 #define R_PARISC_DIR16F 85 /* 16 bits of eff. address. */
1472 #define R_PARISC_DIR16WF 86 /* 16 bits of eff. address. */
1473 #define R_PARISC_DIR16DF 87 /* 16 bits of eff. address. */
1474 #define R_PARISC_GPREL64 88 /* 64 bits of GP-rel. address. */
1475 #define R_PARISC_GPREL14WR 91 /* GP-rel. address, right 14 bits. */
1476 #define R_PARISC_GPREL14DR 92 /* GP-rel. address, right 14 bits. */
1477 #define R_PARISC_GPREL16F 93 /* 16 bits GP-rel. address. */
1478 #define R_PARISC_GPREL16WF 94 /* 16 bits GP-rel. address. */
1479 #define R_PARISC_GPREL16DF 95 /* 16 bits GP-rel. address. */
1480 #define R_PARISC_LTOFF64 96 /* 64 bits LT-rel. address. */
1481 #define R_PARISC_LTOFF14WR 99 /* LT-rel. address, right 14 bits. */
1482 #define R_PARISC_LTOFF14DR 100 /* LT-rel. address, right 14 bits. */
1483 #define R_PARISC_LTOFF16F 101 /* 16 bits LT-rel. address. */
1484 #define R_PARISC_LTOFF16WF 102 /* 16 bits LT-rel. address. */
1485 #define R_PARISC_LTOFF16DF 103 /* 16 bits LT-rel. address. */
1486 #define R_PARISC_SECREL64 104 /* 64 bits section rel. address. */
1487 #define R_PARISC_SEGREL64 112 /* 64 bits segment rel. address. */
1488 #define R_PARISC_PLTOFF14WR 115 /* PLT-rel. address, right 14 bits. */
1489 #define R_PARISC_PLTOFF14DR 116 /* PLT-rel. address, right 14 bits. */
1490 #define R_PARISC_PLTOFF16F 117 /* 16 bits LT-rel. address. */
1491 #define R_PARISC_PLTOFF16WF 118 /* 16 bits PLT-rel. address. */
1492 #define R_PARISC_PLTOFF16DF 119 /* 16 bits PLT-rel. address. */
1493 #define R_PARISC_LTOFF_FPTR64 120 /* 64 bits LT-rel. function ptr. */
1494 #define R_PARISC_LTOFF_FPTR14WR 123 /* LT-rel. fct. ptr., right 14 bits. */
1495 #define R_PARISC_LTOFF_FPTR14DR 124 /* LT-rel. fct. ptr., right 14 bits. */
1496 #define R_PARISC_LTOFF_FPTR16F 125 /* 16 bits LT-rel. function ptr. */
1497 #define R_PARISC_LTOFF_FPTR16WF 126 /* 16 bits LT-rel. function ptr. */
1498 #define R_PARISC_LTOFF_FPTR16DF 127 /* 16 bits LT-rel. function ptr. */
1499 #define R_PARISC_LORESERVE 128
1500 #define R_PARISC_COPY 128 /* Copy relocation. */
1501 #define R_PARISC_IPLT 129
1502 #define R_PARISC_EPLT 130
1503 #define R_PARISC_TPREL32 153 /* 32 bits TP-rel. address. */
1504 #define R_PARISC_TPREL21L 154 /* TP-rel. address, left 21 bits. */
1505 #define R_PARISC_TPREL14R 158 /* TP-rel. address, right 14 bits. */
1506 #define R_PARISC_LTOFF_TP21L 162 /* LT-TP-rel. address, left 21 bits. */
1507 #define R_PARISC_LTOFF_TP14R 166 /* LT-TP-rel. address, right 14 bits.*/
1508 #define R_PARISC_LTOFF_TP14F 167 /* 14 bits LT-TP-rel. address. */
1509 #define R_PARISC_TPREL64 216 /* 64 bits TP-rel. address. */
1510 #define R_PARISC_TPREL14WR 219 /* TP-rel. address, right 14 bits. */
1511 #define R_PARISC_TPREL14DR 220 /* TP-rel. address, right 14 bits. */
1512 #define R_PARISC_TPREL16F 221 /* 16 bits TP-rel. address. */
1513 #define R_PARISC_TPREL16WF 222 /* 16 bits TP-rel. address. */
1514 #define R_PARISC_TPREL16DF 223 /* 16 bits TP-rel. address. */
1515 #define R_PARISC_LTOFF_TP64 224 /* 64 bits LT-TP-rel. address. */
1516 #define R_PARISC_LTOFF_TP14WR 227 /* LT-TP-rel. address, right 14 bits.*/
1517 #define R_PARISC_LTOFF_TP14DR 228 /* LT-TP-rel. address, right 14 bits.*/
1518 #define R_PARISC_LTOFF_TP16F 229 /* 16 bits LT-TP-rel. address. */
1519 #define R_PARISC_LTOFF_TP16WF 230 /* 16 bits LT-TP-rel. address. */
1520 #define R_PARISC_LTOFF_TP16DF 231 /* 16 bits LT-TP-rel. address. */
1521 #define R_PARISC_HIRESERVE 255
1522
1523 /* Legal values for p_type field of Elf32_Phdr/Elf64_Phdr. */
1524
1525 #define PT_HP_TLS (PT_LOOS + 0x0)
1526 #define PT_HP_CORE_NONE (PT_LOOS + 0x1)
1527 #define PT_HP_CORE_VERSION (PT_LOOS + 0x2)
1528 #define PT_HP_CORE_KERNEL (PT_LOOS + 0x3)
1529 #define PT_HP_CORE_COMM (PT_LOOS + 0x4)
1530 #define PT_HP_CORE_PROC (PT_LOOS + 0x5)
1531 #define PT_HP_CORE_LOADABLE (PT_LOOS + 0x6)
1532 #define PT_HP_CORE_STACK (PT_LOOS + 0x7)
1533 #define PT_HP_CORE_SHM (PT_LOOS + 0x8)
1534 #define PT_HP_CORE_MMF (PT_LOOS + 0x9)
1535 #define PT_HP_PARALLEL (PT_LOOS + 0x10)
1536 #define PT_HP_FASTBIND (PT_LOOS + 0x11)
1537 #define PT_HP_OPT_ANNOT (PT_LOOS + 0x12)
1538 #define PT_HP_HSL_ANNOT (PT_LOOS + 0x13)
1539 #define PT_HP_STACK (PT_LOOS + 0x14)
1540
1541 #define PT_PARISC_ARCHEXT 0x70000000
1542 #define PT_PARISC_UNWIND 0x70000001
1543
1544 /* Legal values for p_flags field of Elf32_Phdr/Elf64_Phdr. */
1545
1546 #define PF_PARISC_SBP 0x08000000
1547
1548 #define PF_HP_PAGE_SIZE 0x00100000
1549 #define PF_HP_FAR_SHARED 0x00200000
1550 #define PF_HP_NEAR_SHARED 0x00400000
1551 #define PF_HP_CODE 0x01000000
1552 #define PF_HP_MODIFY 0x02000000
1553 #define PF_HP_LAZYSWAP 0x04000000
1554 #define PF_HP_SBP 0x08000000
1555
1556
1557 /* Alpha specific definitions. */
1558
1559 /* Legal values for e_flags field of Elf64_Ehdr. */
1560
1561 #define EF_ALPHA_32BIT 1 /* All addresses must be < 2GB. */
1562 #define EF_ALPHA_CANRELAX 2 /* Relocations for relaxing exist. */
1563
1564 /* Legal values for sh_type field of Elf64_Shdr. */
1565
1566 /* These two are primerily concerned with ECOFF debugging info. */
1567 #define SHT_ALPHA_DEBUG 0x70000001
1568 #define SHT_ALPHA_REGINFO 0x70000002
1569
1570 /* Legal values for sh_flags field of Elf64_Shdr. */
1571
1572 #define SHF_ALPHA_GPREL 0x10000000
1573
1574 /* Legal values for st_other field of Elf64_Sym. */
1575 #define STO_ALPHA_NOPV 0x80 /* No PV required. */
1576 #define STO_ALPHA_STD_GPLOAD 0x88 /* PV only used for initial ldgp. */
1577
1578 /* Alpha relocs. */
1579
1580 #define R_ALPHA_NONE 0 /* No reloc */
1581 #define R_ALPHA_REFLONG 1 /* Direct 32 bit */
1582 #define R_ALPHA_REFQUAD 2 /* Direct 64 bit */
1583 #define R_ALPHA_GPREL32 3 /* GP relative 32 bit */
1584 #define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */
1585 #define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */
1586 #define R_ALPHA_GPDISP 6 /* Add displacement to GP */
1587 #define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */
1588 #define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */
1589 #define R_ALPHA_SREL16 9 /* PC relative 16 bit */
1590 #define R_ALPHA_SREL32 10 /* PC relative 32 bit */
1591 #define R_ALPHA_SREL64 11 /* PC relative 64 bit */
1592 #define R_ALPHA_OP_PUSH 12 /* OP stack push */
1593 #define R_ALPHA_OP_STORE 13 /* OP stack pop and store */
1594 #define R_ALPHA_OP_PSUB 14 /* OP stack subtract */
1595 #define R_ALPHA_OP_PRSHIFT 15 /* OP stack right shift */
1596 #define R_ALPHA_GPVALUE 16
1597 #define R_ALPHA_GPRELHIGH 17
1598 #define R_ALPHA_GPRELLOW 18
1599 #define R_ALPHA_IMMED_GP_16 19
1600 #define R_ALPHA_IMMED_GP_HI32 20
1601 #define R_ALPHA_IMMED_SCN_HI32 21
1602 #define R_ALPHA_IMMED_BR_HI32 22
1603 #define R_ALPHA_IMMED_LO32 23
1604 #define R_ALPHA_COPY 24 /* Copy symbol at runtime */
1605 #define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */
1606 #define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */
1607 #define R_ALPHA_RELATIVE 27 /* Adjust by program base */
1608 /* Keep this the last entry. */
1609 #define R_ALPHA_NUM 28
1610
1611
1612 /* PowerPC specific declarations */
1613
1614 /* Values for Elf32/64_Ehdr.e_flags. */
1615 #define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag */
1616
1617 /* Cygnus local bits below */
1618 #define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag*/
1619 #define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib
1620 flag */
1621
1622 /* PowerPC relocations defined by the ABIs */
1623 #define R_PPC_NONE 0
1624 #define R_PPC_ADDR32 1 /* 32bit absolute address */
1625 #define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */
1626 #define R_PPC_ADDR16 3 /* 16bit absolute address */
1627 #define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */
1628 #define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */
1629 #define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */
1630 #define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */
1631 #define R_PPC_ADDR14_BRTAKEN 8
1632 #define R_PPC_ADDR14_BRNTAKEN 9
1633 #define R_PPC_REL24 10 /* PC relative 26 bit */
1634 #define R_PPC_REL14 11 /* PC relative 16 bit */
1635 #define R_PPC_REL14_BRTAKEN 12
1636 #define R_PPC_REL14_BRNTAKEN 13
1637 #define R_PPC_GOT16 14
1638 #define R_PPC_GOT16_LO 15
1639 #define R_PPC_GOT16_HI 16
1640 #define R_PPC_GOT16_HA 17
1641 #define R_PPC_PLTREL24 18
1642 #define R_PPC_COPY 19
1643 #define R_PPC_GLOB_DAT 20
1644 #define R_PPC_JMP_SLOT 21
1645 #define R_PPC_RELATIVE 22
1646 #define R_PPC_LOCAL24PC 23
1647 #define R_PPC_UADDR32 24
1648 #define R_PPC_UADDR16 25
1649 #define R_PPC_REL32 26
1650 #define R_PPC_PLT32 27
1651 #define R_PPC_PLTREL32 28
1652 #define R_PPC_PLT16_LO 29
1653 #define R_PPC_PLT16_HI 30
1654 #define R_PPC_PLT16_HA 31
1655 #define R_PPC_SDAREL16 32
1656 #define R_PPC_SECTOFF 33
1657 #define R_PPC_SECTOFF_LO 34
1658 #define R_PPC_SECTOFF_HI 35
1659 #define R_PPC_SECTOFF_HA 36
1660 /* Keep this the last entry. */
1661 #define R_PPC_NUM 37
1662
1663 /* The remaining relocs are from the Embedded ELF ABI, and are not
1664 in the SVR4 ELF ABI. */
1665 #define R_PPC_EMB_NADDR32 101
1666 #define R_PPC_EMB_NADDR16 102
1667 #define R_PPC_EMB_NADDR16_LO 103
1668 #define R_PPC_EMB_NADDR16_HI 104
1669 #define R_PPC_EMB_NADDR16_HA 105
1670 #define R_PPC_EMB_SDAI16 106
1671 #define R_PPC_EMB_SDA2I16 107
1672 #define R_PPC_EMB_SDA2REL 108
1673 #define R_PPC_EMB_SDA21 109 /* 16 bit offset in SDA */
1674 #define R_PPC_EMB_MRKREF 110
1675 #define R_PPC_EMB_RELSEC16 111
1676 #define R_PPC_EMB_RELST_LO 112
1677 #define R_PPC_EMB_RELST_HI 113
1678 #define R_PPC_EMB_RELST_HA 114
1679 #define R_PPC_EMB_BIT_FLD 115
1680 #define R_PPC_EMB_RELSDA 116 /* 16 bit relative offset in SDA */
1681
1682 /* Diab tool relocations. */
1683 #define R_PPC_DIAB_SDA21_LO 180 /* like EMB_SDA21, but lower 16 bit */
1684 #define R_PPC_DIAB_SDA21_HI 181 /* like EMB_SDA21, but high 16 bit */
1685 #define R_PPC_DIAB_SDA21_HA 182 /* like EMB_SDA21, adjusted high 16 */
1686 #define R_PPC_DIAB_RELSDA_LO 183 /* like EMB_RELSDA, but lower 16 bit */
1687 #define R_PPC_DIAB_RELSDA_HI 184 /* like EMB_RELSDA, but high 16 bit */
1688 #define R_PPC_DIAB_RELSDA_HA 185 /* like EMB_RELSDA, adjusted high 16 */
1689
1690 /* This is a phony reloc to handle any old fashioned TOC16 references
1691 that may still be in object files. */
1692 #define R_PPC_TOC16 255
1693
1694
1695 /* ARM specific declarations */
1696
1697 /* Processor specific flags for the ELF header e_flags field. */
1698 #define EF_ARM_RELEXEC 0x01
1699 #define EF_ARM_HASENTRY 0x02
1700 #define EF_ARM_INTERWORK 0x04
1701 #define EF_ARM_APCS_26 0x08
1702 #define EF_ARM_APCS_FLOAT 0x10
1703 #define EF_ARM_PIC 0x20
1704 #define EF_ALIGN8 0x40 /* 8-bit structure alignment is in use */
1705 #define EF_NEW_ABI 0x80
1706 #define EF_OLD_ABI 0x100
1707
1708 /* Additional symbol types for Thumb */
1709 #define STT_ARM_TFUNC 0xd
1710
1711 /* ARM-specific values for sh_flags */
1712 #define SHF_ARM_ENTRYSECT 0x10000000 /* Section contains an entry point */
1713 #define SHF_ARM_COMDEF 0x80000000 /* Section may be multiply defined
1714 in the input to a link step */
1715
1716 /* ARM-specific program header flags */
1717 #define PF_ARM_SB 0x10000000 /* Segment contains the location
1718 addressed by the static base */
1719
1720 /* ARM relocs. */
1721 #define R_ARM_NONE 0 /* No reloc */
1722 #define R_ARM_PC24 1 /* PC relative 26 bit branch */
1723 #define R_ARM_ABS32 2 /* Direct 32 bit */
1724 #define R_ARM_REL32 3 /* PC relative 32 bit */
1725 #define R_ARM_PC13 4
1726 #define R_ARM_ABS16 5 /* Direct 16 bit */
1727 #define R_ARM_ABS12 6 /* Direct 12 bit */
1728 #define R_ARM_THM_ABS5 7
1729 #define R_ARM_ABS8 8 /* Direct 8 bit */
1730 #define R_ARM_SBREL32 9
1731 #define R_ARM_THM_PC22 10
1732 #define R_ARM_THM_PC8 11
1733 #define R_ARM_AMP_VCALL9 12
1734 #define R_ARM_SWI24 13
1735 #define R_ARM_THM_SWI8 14
1736 #define R_ARM_XPC25 15
1737 #define R_ARM_THM_XPC22 16
1738 #define R_ARM_COPY 20 /* Copy symbol at runtime */
1739 #define R_ARM_GLOB_DAT 21 /* Create GOT entry */
1740 #define R_ARM_JUMP_SLOT 22 /* Create PLT entry */
1741 #define R_ARM_RELATIVE 23 /* Adjust by program base */
1742 #define R_ARM_GOTOFF 24 /* 32 bit offset to GOT */
1743 #define R_ARM_GOTPC 25 /* 32 bit PC relative offset to GOT */
1744 #define R_ARM_GOT32 26 /* 32 bit GOT entry */
1745 #define R_ARM_PLT32 27 /* 32 bit PLT address */
1746 #define R_ARM_GNU_VTENTRY 100
1747 #define R_ARM_GNU_VTINHERIT 101
1748 #define R_ARM_THM_PC11 102 /* thumb unconditional branch */
1749 #define R_ARM_THM_PC9 103 /* thumb conditional branch */
1750 #define R_ARM_RXPC25 249
1751 #define R_ARM_RSBREL32 250
1752 #define R_ARM_THM_RPC22 251
1753 #define R_ARM_RREL32 252
1754 #define R_ARM_RABS22 253
1755 #define R_ARM_RPC24 254
1756 #define R_ARM_RBASE 255
1757 /* Keep this the last entry. */
1758 #define R_ARM_NUM 256
1759
1760 __END_DECLS
1761
1762 #endif /* elf.h */
Petr Baudis' queue of bugfixes for stable glibc branches