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[glibc.git] / elf / elf.h
blob3780054acaedd02b6e0bd7f6fa3d4b327868e11c
1 /* This file defines standard ELF types, structures, and macros.
2 Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ian Lance Taylor <ian@cygnus.com>.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public License as
8 published by the Free Software Foundation; either version 2 of the
9 License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Library General Public License for more details.
15
16 You should have received a copy of the GNU Library General Public
17 License along with the GNU C Library; see the file COPYING.LIB. If not,
18 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
20
21 #ifndef _ELF_H
22 #define _ELF_H 1
23
24 #include <features.h>
25
26 __BEGIN_DECLS
27
28 /* Standard ELF types. */
29
30 #include <stdint.h>
31
32 /* Type for a 16-bit quantity. */
33 typedef uint16_t Elf32_Half;
34 typedef uint16_t Elf64_Half;
35
36 /* Types for signed and unsigned 32-bit quantities. */
37 typedef uint32_t Elf32_Word;
38 typedef int32_t Elf32_Sword;
39 typedef uint32_t Elf64_Word;
40 typedef int32_t Elf64_Sword;
41
42 /* Types for signed and unsigned 64-bit quantities. */
43 typedef uint64_t Elf32_Xword;
44 typedef int64_t Elf32_Sxword;
45 typedef uint64_t Elf64_Xword;
46 typedef int64_t Elf64_Sxword;
47
48 /* Type of addresses. */
49 typedef uint32_t Elf32_Addr;
50 typedef uint64_t Elf64_Addr;
51
52 /* Type of file offsets. */
53 typedef uint32_t Elf32_Off;
54 typedef uint64_t Elf64_Off;
55
56 /* Type for section indices, which are 16-bit quantities. */
57 typedef uint16_t Elf32_Section;
58 typedef uint16_t Elf64_Section;
59
60 /* Type of symbol indices. */
61 typedef uint32_t Elf32_Symndx;
62 typedef uint64_t Elf64_Symndx;
63
64
65 /* The ELF file header. This appears at the start of every ELF file. */
66
67 #define EI_NIDENT (16)
68
69 typedef struct
70 {
71 unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
72 Elf32_Half e_type; /* Object file type */
73 Elf32_Half e_machine; /* Architecture */
74 Elf32_Word e_version; /* Object file version */
75 Elf32_Addr e_entry; /* Entry point virtual address */
76 Elf32_Off e_phoff; /* Program header table file offset */
77 Elf32_Off e_shoff; /* Section header table file offset */
78 Elf32_Word e_flags; /* Processor-specific flags */
79 Elf32_Half e_ehsize; /* ELF header size in bytes */
80 Elf32_Half e_phentsize; /* Program header table entry size */
81 Elf32_Half e_phnum; /* Program header table entry count */
82 Elf32_Half e_shentsize; /* Section header table entry size */
83 Elf32_Half e_shnum; /* Section header table entry count */
84 Elf32_Half e_shstrndx; /* Section header string table index */
85 } Elf32_Ehdr;
86
87 typedef struct
88 {
89 unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
90 Elf64_Half e_type; /* Object file type */
91 Elf64_Half e_machine; /* Architecture */
92 Elf64_Word e_version; /* Object file version */
93 Elf64_Addr e_entry; /* Entry point virtual address */
94 Elf64_Off e_phoff; /* Program header table file offset */
95 Elf64_Off e_shoff; /* Section header table file offset */
96 Elf64_Word e_flags; /* Processor-specific flags */
97 Elf64_Half e_ehsize; /* ELF header size in bytes */
98 Elf64_Half e_phentsize; /* Program header table entry size */
99 Elf64_Half e_phnum; /* Program header table entry count */
100 Elf64_Half e_shentsize; /* Section header table entry size */
101 Elf64_Half e_shnum; /* Section header table entry count */
102 Elf64_Half e_shstrndx; /* Section header string table index */
103 } Elf64_Ehdr;
104
105 /* Fields in the e_ident array. The EI_* macros are indices into the
106 array. The macros under each EI_* macro are the values the byte
107 may have. */
108
109 #define EI_MAG0 0 /* File identification byte 0 index */
110 #define ELFMAG0 0x7f /* Magic number byte 0 */
111
112 #define EI_MAG1 1 /* File identification byte 1 index */
113 #define ELFMAG1 'E' /* Magic number byte 1 */
114
115 #define EI_MAG2 2 /* File identification byte 2 index */
116 #define ELFMAG2 'L' /* Magic number byte 2 */
117
118 #define EI_MAG3 3 /* File identification byte 3 index */
119 #define ELFMAG3 'F' /* Magic number byte 3 */
120
121 /* Conglomeration of the identification bytes, for easy testing as a word. */
122 #define ELFMAG "\177ELF"
123 #define SELFMAG 4
124
125 #define EI_CLASS 4 /* File class byte index */
126 #define ELFCLASSNONE 0 /* Invalid class */
127 #define ELFCLASS32 1 /* 32-bit objects */
128 #define ELFCLASS64 2 /* 64-bit objects */
129 #define ELFCLASSNUM 3
130
131 #define EI_DATA 5 /* Data encoding byte index */
132 #define ELFDATANONE 0 /* Invalid data encoding */
133 #define ELFDATA2LSB 1 /* 2's complement, little endian */
134 #define ELFDATA2MSB 2 /* 2's complement, big endian */
135 #define ELFDATANUM 3
136
137 #define EI_VERSION 6 /* File version byte index */
138 /* Value must be EV_CURRENT */
139
140 #define EI_PAD 7 /* Byte index of padding bytes */
141
142 /* Legal values for e_type (object file type). */
143
144 #define ET_NONE 0 /* No file type */
145 #define ET_REL 1 /* Relocatable file */
146 #define ET_EXEC 2 /* Executable file */
147 #define ET_DYN 3 /* Shared object file */
148 #define ET_CORE 4 /* Core file */
149 #define ET_NUM 5 /* Number of defined types. */
150 #define ET_LOPROC 0xff00 /* Processor-specific */
151 #define ET_HIPROC 0xffff /* Processor-specific */
152
153 /* Legal values for e_machine (architecture). */
154
155 #define EM_NONE 0 /* No machine */
156 #define EM_M32 1 /* AT&T WE 32100 */
157 #define EM_SPARC 2 /* SUN SPARC */
158 #define EM_386 3 /* Intel 80386 */
159 #define EM_68K 4 /* Motorola m68k family */
160 #define EM_88K 5 /* Motorola m88k family */
161 #define EM_486 6 /* Intel 80486 */
162 #define EM_860 7 /* Intel 80860 */
163 #define EM_MIPS 8 /* MIPS R3000 big-endian */
164 #define EM_S370 9 /* Amdahl */
165 #define EM_MIPS_RS4_BE 10 /* MIPS R4000 big-endian */
166 #define EM_RS6000 11 /* RS6000 */
167
168 #define EM_PARISC 15 /* HPPA */
169 #define EM_nCUBE 16 /* nCUBE */
170 #define EM_VPP500 17 /* Fujitsu VPP500 */
171 #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
172 #define EM_960 19 /* Intel 80960 */
173 #define EM_PPC 20 /* PowerPC */
174
175 #define EM_V800 36 /* NEC V800 series */
176 #define EM_FR20 37 /* Fujitsu FR20 */
177 #define EM_RH32 38 /* TRW RH32 */
178 #define EM_MMA 39 /* Fujitsu MMA */
179 #define EM_ARM 40 /* ARM */
180 #define EM_OLD_ALPHA 41 /* Digital Alpha */
181 #define EM_SH 42 /* Hitachi SH */
182 #define EM_SPARCV9 43 /* SPARC v9 64-bit */
183
184 /* If it is necessary to assign new unofficial EM_* values, please
185 pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the
186 chances of collision with official or non-GNU unofficial values. */
187
188 #define EM_ALPHA 0x9026
189
190 /* Legal values for e_version (version). */
191
192 #define EV_NONE 0 /* Invalid ELF version */
193 #define EV_CURRENT 1 /* Current version */
194 #define EV_NUM 2
195
196 /* Section header. */
197
198 typedef struct
199 {
200 Elf32_Word sh_name; /* Section name (string tbl index) */
201 Elf32_Word sh_type; /* Section type */
202 Elf32_Word sh_flags; /* Section flags */
203 Elf32_Addr sh_addr; /* Section virtual addr at execution */
204 Elf32_Off sh_offset; /* Section file offset */
205 Elf32_Word sh_size; /* Section size in bytes */
206 Elf32_Word sh_link; /* Link to another section */
207 Elf32_Word sh_info; /* Additional section information */
208 Elf32_Word sh_addralign; /* Section alignment */
209 Elf32_Word sh_entsize; /* Entry size if section holds table */
210 } Elf32_Shdr;
211
212 typedef struct
213 {
214 Elf64_Word sh_name; /* Section name (string tbl index) */
215 Elf64_Word sh_type; /* Section type */
216 Elf64_Xword sh_flags; /* Section flags */
217 Elf64_Addr sh_addr; /* Section virtual addr at execution */
218 Elf64_Off sh_offset; /* Section file offset */
219 Elf64_Xword sh_size; /* Section size in bytes */
220 Elf64_Word sh_link; /* Link to another section */
221 Elf64_Word sh_info; /* Additional section information */
222 Elf64_Xword sh_addralign; /* Section alignment */
223 Elf64_Xword sh_entsize; /* Entry size if section holds table */
224 } Elf64_Shdr;
225
226 /* Special section indices. */
227
228 #define SHN_UNDEF 0 /* Undefined section */
229 #define SHN_LORESERVE 0xff00 /* Start of reserved indices */
230 #define SHN_LOPROC 0xff00 /* Start of processor-specific */
231 #define SHN_HIPROC 0xff1f /* End of processor-specific */
232 #define SHN_ABS 0xfff1 /* Associated symbol is absolute */
233 #define SHN_COMMON 0xfff2 /* Associated symbol is common */
234 #define SHN_HIRESERVE 0xffff /* End of reserved indices */
235
236 /* Legal values for sh_type (section type). */
237
238 #define SHT_NULL 0 /* Section header table entry unused */
239 #define SHT_PROGBITS 1 /* Program data */
240 #define SHT_SYMTAB 2 /* Symbol table */
241 #define SHT_STRTAB 3 /* String table */
242 #define SHT_RELA 4 /* Relocation entries with addends */
243 #define SHT_HASH 5 /* Symbol hash table */
244 #define SHT_DYNAMIC 6 /* Dynamic linking information */
245 #define SHT_NOTE 7 /* Notes */
246 #define SHT_NOBITS 8 /* Program space with no data (bss) */
247 #define SHT_REL 9 /* Relocation entries, no addends */
248 #define SHT_SHLIB 10 /* Reserved */
249 #define SHT_DYNSYM 11 /* Dynamic linker symbol table */
250 #define SHT_NUM 12 /* Number of defined types. */
251 #define SHT_LOSUNW 0x6ffffffd /* Sun-specific low bound. */
252 #define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */
253 #define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */
254 #define SHT_GNU_versym 0x6fffffff /* Version symbol table. */
255 #define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */
256 #define SHT_LOPROC 0x70000000 /* Start of processor-specific */
257 #define SHT_HIPROC 0x7fffffff /* End of processor-specific */
258 #define SHT_LOUSER 0x80000000 /* Start of application-specific */
259 #define SHT_HIUSER 0x8fffffff /* End of application-specific */
260
261 /* Legal values for sh_flags (section flags). */
262
263 #define SHF_WRITE (1 << 0) /* Writable */
264 #define SHF_ALLOC (1 << 1) /* Occupies memory during execution */
265 #define SHF_EXECINSTR (1 << 2) /* Executable */
266 #define SHF_MASKPROC 0xf0000000 /* Processor-specific */
267
268 /* Symbol table entry. */
269
270 typedef struct
271 {
272 Elf32_Word st_name; /* Symbol name (string tbl index) */
273 Elf32_Addr st_value; /* Symbol value */
274 Elf32_Word st_size; /* Symbol size */
275 unsigned char st_info; /* Symbol type and binding */
276 unsigned char st_other; /* No defined meaning, 0 */
277 Elf32_Section st_shndx; /* Section index */
278 } Elf32_Sym;
279
280 typedef struct
281 {
282 Elf64_Word st_name; /* Symbol name (string tbl index) */
283 unsigned char st_info; /* Symbol type and binding */
284 unsigned char st_other; /* No defined meaning, 0 */
285 Elf64_Section st_shndx; /* Section index */
286 Elf64_Addr st_value; /* Symbol value */
287 Elf64_Xword st_size; /* Symbol size */
288 } Elf64_Sym;
289
290 /* Special section index. */
291
292 #define SHN_UNDEF 0 /* No section, undefined symbol. */
293
294 /* How to extract and insert information held in the st_info field. */
295
296 #define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4)
297 #define ELF32_ST_TYPE(val) ((val) & 0xf)
298 #define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
299
300 /* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field. */
301 #define ELF64_ST_BIND(val) ELF32_ST_BIND (val)
302 #define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val)
303 #define ELF64_ST_INFO(bind, type) ELF32_ST_INFO ((bind), (type))
304
305 /* Legal values for ST_BIND subfield of st_info (symbol binding). */
306
307 #define STB_LOCAL 0 /* Local symbol */
308 #define STB_GLOBAL 1 /* Global symbol */
309 #define STB_WEAK 2 /* Weak symbol */
310 #define STB_NUM 3 /* Number of defined types. */
311 #define STB_LOPROC 13 /* Start of processor-specific */
312 #define STB_HIPROC 15 /* End of processor-specific */
313
314 /* Legal values for ST_TYPE subfield of st_info (symbol type). */
315
316 #define STT_NOTYPE 0 /* Symbol type is unspecified */
317 #define STT_OBJECT 1 /* Symbol is a data object */
318 #define STT_FUNC 2 /* Symbol is a code object */
319 #define STT_SECTION 3 /* Symbol associated with a section */
320 #define STT_FILE 4 /* Symbol's name is file name */
321 #define STT_NUM 5 /* Number of defined types. */
322 #define STT_LOPROC 13 /* Start of processor-specific */
323 #define STT_HIPROC 15 /* End of processor-specific */
324
325
326 /* Symbol table indices are found in the hash buckets and chain table
327 of a symbol hash table section. This special index value indicates
328 the end of a chain, meaning no further symbols are found in that bucket. */
329
330 #define STN_UNDEF 0 /* End of a chain. */
331
332
333 /* Relocation table entry without addend (in section of type SHT_REL). */
334
335 typedef struct
336 {
337 Elf32_Addr r_offset; /* Address */
338 Elf32_Word r_info; /* Relocation type and symbol index */
339 } Elf32_Rel;
340
341 /* I have seen two different definitions of the Elf64_Rel and
342 Elf64_Rela structures, so we'll leave them out until Novell (or
343 whoever) gets their act together. */
344 /* The following, at least, is used on Sparc v9, MIPS, and Alpha. */
345
346 typedef struct
347 {
348 Elf64_Addr r_offset; /* Address */
349 Elf64_Xword r_info; /* Relocation type and symbol index */
350 } Elf64_Rel;
351
352 /* Relocation table entry with addend (in section of type SHT_RELA). */
353
354 typedef struct
355 {
356 Elf32_Addr r_offset; /* Address */
357 Elf32_Word r_info; /* Relocation type and symbol index */
358 Elf32_Sword r_addend; /* Addend */
359 } Elf32_Rela;
360
361 typedef struct
362 {
363 Elf64_Addr r_offset; /* Address */
364 Elf64_Xword r_info; /* Relocation type and symbol index */
365 Elf64_Sxword r_addend; /* Addend */
366 } Elf64_Rela;
367
368 /* How to extract and insert information held in the r_info field. */
369
370 #define ELF32_R_SYM(val) ((val) >> 8)
371 #define ELF32_R_TYPE(val) ((val) & 0xff)
372 #define ELF32_R_INFO(sym, type) (((sym) << 8) + ((type) & 0xff))
373
374 #define ELF64_R_SYM(i) ((i) >> 32)
375 #define ELF64_R_TYPE(i) ((i) & 0xffffffff)
376 #define ELF64_R_INFO(sym,type) (((sym) << 32) + (type))
377
378 /* Program segment header. */
379
380 typedef struct
381 {
382 Elf32_Word p_type; /* Segment type */
383 Elf32_Off p_offset; /* Segment file offset */
384 Elf32_Addr p_vaddr; /* Segment virtual address */
385 Elf32_Addr p_paddr; /* Segment physical address */
386 Elf32_Word p_filesz; /* Segment size in file */
387 Elf32_Word p_memsz; /* Segment size in memory */
388 Elf32_Word p_flags; /* Segment flags */
389 Elf32_Word p_align; /* Segment alignment */
390 } Elf32_Phdr;
391
392 typedef struct
393 {
394 Elf64_Word p_type; /* Segment type */
395 Elf64_Word p_flags; /* Segment flags */
396 Elf64_Off p_offset; /* Segment file offset */
397 Elf64_Addr p_vaddr; /* Segment virtual address */
398 Elf64_Addr p_paddr; /* Segment physical address */
399 Elf64_Xword p_filesz; /* Segment size in file */
400 Elf64_Xword p_memsz; /* Segment size in memory */
401 Elf64_Xword p_align; /* Segment alignment */
402 } Elf64_Phdr;
403
404 /* Legal values for p_type (segment type). */
405
406 #define PT_NULL 0 /* Program header table entry unused */
407 #define PT_LOAD 1 /* Loadable program segment */
408 #define PT_DYNAMIC 2 /* Dynamic linking information */
409 #define PT_INTERP 3 /* Program interpreter */
410 #define PT_NOTE 4 /* Auxiliary information */
411 #define PT_SHLIB 5 /* Reserved */
412 #define PT_PHDR 6 /* Entry for header table itself */
413 #define PT_NUM 7 /* Number of defined types. */
414 #define PT_LOPROC 0x70000000 /* Start of processor-specific */
415 #define PT_HIPROC 0x7fffffff /* End of processor-specific */
416
417 /* Legal values for p_flags (segment flags). */
418
419 #define PF_X (1 << 0) /* Segment is executable */
420 #define PF_W (1 << 1) /* Segment is writable */
421 #define PF_R (1 << 2) /* Segment is readable */
422 #define PF_MASKPROC 0xf0000000 /* Processor-specific */
423
424 /* Legal values for note segment descriptor types for core files. */
425
426 #define NT_PRSTATUS 1 /* Contains copy of prstatus struct */
427 #define NT_FPREGSET 2 /* Contains copy of fpregset struct */
428 #define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */
429
430 /* Legal values for the note segment descriptor types for object files. */
431
432 #define NT_VERSION 1 /* Contains a version string. */
433
434
435 /* Dynamic section entry. */
436
437 typedef struct
438 {
439 Elf32_Sword d_tag; /* Dynamic entry type */
440 union
441 {
442 Elf32_Word d_val; /* Integer value */
443 Elf32_Addr d_ptr; /* Address value */
444 } d_un;
445 } Elf32_Dyn;
446
447 typedef struct
448 {
449 Elf64_Sxword d_tag; /* Dynamic entry type */
450 union
451 {
452 Elf64_Xword d_val; /* Integer value */
453 Elf64_Addr d_ptr; /* Address value */
454 } d_un;
455 } Elf64_Dyn;
456
457 /* Legal values for d_tag (dynamic entry type). */
458
459 #define DT_NULL 0 /* Marks end of dynamic section */
460 #define DT_NEEDED 1 /* Name of needed library */
461 #define DT_PLTRELSZ 2 /* Size in bytes of PLT relocs */
462 #define DT_PLTGOT 3 /* Processor defined value */
463 #define DT_HASH 4 /* Address of symbol hash table */
464 #define DT_STRTAB 5 /* Address of string table */
465 #define DT_SYMTAB 6 /* Address of symbol table */
466 #define DT_RELA 7 /* Address of Rela relocs */
467 #define DT_RELASZ 8 /* Total size of Rela relocs */
468 #define DT_RELAENT 9 /* Size of one Rela reloc */
469 #define DT_STRSZ 10 /* Size of string table */
470 #define DT_SYMENT 11 /* Size of one symbol table entry */
471 #define DT_INIT 12 /* Address of init function */
472 #define DT_FINI 13 /* Address of termination function */
473 #define DT_SONAME 14 /* Name of shared object */
474 #define DT_RPATH 15 /* Library search path */
475 #define DT_SYMBOLIC 16 /* Start symbol search here */
476 #define DT_REL 17 /* Address of Rel relocs */
477 #define DT_RELSZ 18 /* Total size of Rel relocs */
478 #define DT_RELENT 19 /* Size of one Rel reloc */
479 #define DT_PLTREL 20 /* Type of reloc in PLT */
480 #define DT_DEBUG 21 /* For debugging; unspecified */
481 #define DT_TEXTREL 22 /* Reloc might modify .text */
482 #define DT_JMPREL 23 /* Address of PLT relocs */
483 #define DT_NUM 24 /* Number used */
484 #define DT_LOPROC 0x70000000 /* Start of processor-specific */
485 #define DT_HIPROC 0x7fffffff /* End of processor-specific */
486 #define DT_PROCNUM DT_MIPS_NUM /* Most used by any processor */
487
488 /* The versioning entry types. The next are defined as part of the
489 GNU extension. */
490 #define DT_VERSYM 0x6ffffff0
491
492 /* These were chosen by Sun. */
493 #define DT_FLAGS_1 0x6ffffffb /* State flags, see DF_1_* below. */
494 #define DT_VERDEF 0x6ffffffc /* Address of version definition
495 table */
496 #define DT_VERDEFNUM 0x6ffffffd /* Number of version definitions */
497 #define DT_VERNEED 0x6ffffffe /* Address of table with needed
498 versions */
499 #define DT_VERNEEDNUM 0x6fffffff /* Number of needed versions */
500 #define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */
501 #define DT_VERSIONTAGNUM 16
502
503 /* Sun added these machine-independent extensions in the "processor-specific"
504 range. Be compatible. */
505 #define DT_AUXILIARY 0x7ffffffd /* Shared object to load before self */
506 #define DT_FILTER 0x7fffffff /* Shared object to get values from */
507 #define DT_EXTRATAGIDX(tag) ((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1)
508 #define DT_EXTRANUM 3
509
510 /* State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1
511 entry in the dynamic section. */
512 #define DF_1_NOW 0x00000001 /* Set RTLD_NOW for this object. */
513 #define DF_1_GLOBAL 0x00000002 /* Set RTLD_GLOBAL for this object. */
514 #define DF_1_GROUP 0x00000004 /* Set RTLD_GROUP for this object. */
515 #define DF_1_NODELETE 0x00000008 /* Set RTLD_NODELETE for this object.*/
516 #define DF_1_LOADFLTR 0x00000010 /* Trigger filtee loading at runtime.*/
517 #define DF_1_INITFIRST 0x00000020 /* Set RTLD_INITFIRST for this object*/
518 #define DF_1_NOOPEN 0x00000040 /* Set RTLD_NOOPEN for this object. */
519
520 /* Version definition sections. */
521
522 typedef struct
523 {
524 Elf32_Half vd_version; /* Version revision */
525 Elf32_Half vd_flags; /* Version information */
526 Elf32_Half vd_ndx; /* Version Index */
527 Elf32_Half vd_cnt; /* Number of associated aux entries */
528 Elf32_Word vd_hash; /* Version name hash value */
529 Elf32_Word vd_aux; /* Offset in bytes to verdaux array */
530 Elf32_Word vd_next; /* Offset in bytes to next verdef
531 entry */
532 } Elf32_Verdef;
533
534 typedef struct
535 {
536 Elf64_Half vd_version; /* Version revision */
537 Elf64_Half vd_flags; /* Version information */
538 Elf64_Half vd_ndx; /* Version Index */
539 Elf64_Half vd_cnt; /* Number of associated aux entries */
540 Elf64_Word vd_hash; /* Version name hash value */
541 Elf64_Word vd_aux; /* Offset in bytes to verdaux array */
542 Elf64_Word vd_next; /* Offset in bytes to next verdef
543 entry */
544 } Elf64_Verdef;
545
546
547 /* Legal values for vd_version (version revision). */
548 #define VER_DEF_NONE 0 /* No version */
549 #define VER_DEF_CURRENT 1 /* Current version */
550 #define VER_DEF_NUM 2 /* Given version number */
551
552 /* Legal values for vd_flags (version information flags). */
553 #define VER_FLG_BASE 0x1 /* Version definition of file itself */
554 #define VER_FLG_WEAK 0x2 /* Weak version identifier */
555
556 /* Auxialiary version information. */
557
558 typedef struct
559 {
560 Elf32_Word vda_name; /* Version or dependency names */
561 Elf32_Word vda_next; /* Offset in bytes to next verdaux
562 entry */
563 } Elf32_Verdaux;
564
565 typedef struct
566 {
567 Elf64_Word vda_name; /* Version or dependency names */
568 Elf64_Word vda_next; /* Offset in bytes to next verdaux
569 entry */
570 } Elf64_Verdaux;
571
572
573 /* Version dependency section. */
574
575 typedef struct
576 {
577 Elf32_Half vn_version; /* Version of structure */
578 Elf32_Half vn_cnt; /* Number of associated aux entries */
579 Elf32_Word vn_file; /* Offset of filename for this
580 dependency */
581 Elf32_Word vn_aux; /* Offset in bytes to vernaux array */
582 Elf32_Word vn_next; /* Offset in bytes to next verneed
583 entry */
584 } Elf32_Verneed;
585
586 typedef struct
587 {
588 Elf64_Half vn_version; /* Version of structure */
589 Elf64_Half vn_cnt; /* Number of associated aux entries */
590 Elf64_Word vn_file; /* Offset of filename for this
591 dependency */
592 Elf64_Word vn_aux; /* Offset in bytes to vernaux array */
593 Elf64_Word vn_next; /* Offset in bytes to next verneed
594 entry */
595 } Elf64_Verneed;
596
597
598 /* Legal values for vn_version (version revision). */
599 #define VER_NEED_NONE 0 /* No version */
600 #define VER_NEED_CURRENT 1 /* Current version */
601 #define VER_NEED_NUM 2 /* Given version number */
602
603 /* Auxiliary needed version information. */
604
605 typedef struct
606 {
607 Elf32_Word vna_hash; /* Hash value of dependency name */
608 Elf32_Half vna_flags; /* Dependency specific information */
609 Elf32_Half vna_other; /* Unused */
610 Elf32_Word vna_name; /* Dependency name string offset */
611 Elf32_Word vna_next; /* Offset in bytes to next vernaux
612 entry */
613 } Elf32_Vernaux;
614
615 typedef struct
616 {
617 Elf64_Word vna_hash; /* Hash value of dependency name */
618 Elf64_Half vna_flags; /* Dependency specific information */
619 Elf64_Half vna_other; /* Unused */
620 Elf64_Word vna_name; /* Dependency name string offset */
621 Elf64_Word vna_next; /* Offset in bytes to next vernaux
622 entry */
623 } Elf64_Vernaux;
624
625
626 /* Legal values for vna_flags. */
627 #define VER_FLG_WEAK 0x2 /* Weak version identifier */
628
629
630 /* Auxiliary vector. */
631
632 /* This vector is normally only used by the program interpreter. The
633 usual definition in an ABI supplement uses the name auxv_t. The
634 vector is not usually defined in a standard <elf.h> file, but it
635 can't hurt. We rename it to avoid conflicts. The sizes of these
636 types are an arrangement between the exec server and the program
637 interpreter, so we don't fully specify them here. */
638
639 typedef struct
640 {
641 int a_type; /* Entry type */
642 union
643 {
644 long int a_val; /* Integer value */
645 void *a_ptr; /* Pointer value */
646 void (*a_fcn) (void); /* Function pointer value */
647 } a_un;
648 } Elf32_auxv_t;
649
650 typedef struct
651 {
652 long int a_type; /* Entry type */
653 union
654 {
655 long int a_val; /* Integer value */
656 void *a_ptr; /* Pointer value */
657 void (*a_fcn) (void); /* Function pointer value */
658 } a_un;
659 } Elf64_auxv_t;
660
661 /* Legal values for a_type (entry type). */
662
663 #define AT_NULL 0 /* End of vector */
664 #define AT_IGNORE 1 /* Entry should be ignored */
665 #define AT_EXECFD 2 /* File descriptor of program */
666 #define AT_PHDR 3 /* Program headers for program */
667 #define AT_PHENT 4 /* Size of program header entry */
668 #define AT_PHNUM 5 /* Number of program headers */
669 #define AT_PAGESZ 6 /* System page size */
670 #define AT_BASE 7 /* Base address of interpreter */
671 #define AT_FLAGS 8 /* Flags */
672 #define AT_ENTRY 9 /* Entry point of program */
673 #define AT_NOTELF 10 /* Program is not ELF */
674 #define AT_UID 11 /* Real uid */
675 #define AT_EUID 12 /* Effective uid */
676 #define AT_GID 13 /* Real gid */
677 #define AT_EGID 14 /* Effective gid */
678
679 /* Some more special a_type values describing the hardware. */
680 #define AT_PLATFORM 15 /* String identifying platform. */
681 #define AT_HWCAP 16 /* Machine dependent hints about
682 processor capabilities. */
683
684
685 /* Note section contents. Each entry in the note section begins with
686 a header of a fixed form. */
687
688 typedef struct
689 {
690 Elf32_Word n_namesz; /* Length of the note's name. */
691 Elf32_Word n_descsz; /* Length of the note's descriptor. */
692 Elf32_Word n_type; /* Type of the note. */
693 } Elf32_Nhdr;
694
695 typedef struct
696 {
697 Elf64_Word n_namesz; /* Length of the note's name. */
698 Elf64_Word n_descsz; /* Length of the note's descriptor. */
699 Elf64_Word n_type; /* Type of the note. */
700 } Elf64_Nhdr;
701
702 /* Known names of notes. */
703
704 /* Solaris entries in the note section have this name. */
705 #define ELF_NOTE_SOLARIS "SUNW Solaris"
706
707 /* Note entries for GNU systems have this name. */
708 #define ELF_NOTE_GNU "GNU"
709
710
711 /* Defined types of notes for Solaris. */
712
713 /* Value of descriptor (one word) is desired pagesize for the binary. */
714 #define ELF_NOTE_PAGESIZE_HINT 1
715
716
717 /* Defined note types for GNU systems. */
718
719 /* ABI information. The descriptor consists of words:
720 word 0: OS descriptor
721 word 1: major version of the ABI
722 word 2: minor version of the ABI
723 word 3: subminor version of the ABI
724 */
725 #define ELF_NOTE_ABI 1
726
727 /* Known OSes. These value can appear in word 0 of an ELF_NOTE_ABI
728 note section entry. */
729 #define ELF_NOTE_OS_LINUX 0
730 #define ELF_NOTE_OS_GNU 1
731 #define ELF_NOTE_OS_SOLARIS2 2
732
733
734 /* Motorola 68k specific definitions. */
735
736 /* m68k relocs. */
737
738 #define R_68K_NONE 0 /* No reloc */
739 #define R_68K_32 1 /* Direct 32 bit */
740 #define R_68K_16 2 /* Direct 16 bit */
741 #define R_68K_8 3 /* Direct 8 bit */
742 #define R_68K_PC32 4 /* PC relative 32 bit */
743 #define R_68K_PC16 5 /* PC relative 16 bit */
744 #define R_68K_PC8 6 /* PC relative 8 bit */
745 #define R_68K_GOT32 7 /* 32 bit PC relative GOT entry */
746 #define R_68K_GOT16 8 /* 16 bit PC relative GOT entry */
747 #define R_68K_GOT8 9 /* 8 bit PC relative GOT entry */
748 #define R_68K_GOT32O 10 /* 32 bit GOT offset */
749 #define R_68K_GOT16O 11 /* 16 bit GOT offset */
750 #define R_68K_GOT8O 12 /* 8 bit GOT offset */
751 #define R_68K_PLT32 13 /* 32 bit PC relative PLT address */
752 #define R_68K_PLT16 14 /* 16 bit PC relative PLT address */
753 #define R_68K_PLT8 15 /* 8 bit PC relative PLT address */
754 #define R_68K_PLT32O 16 /* 32 bit PLT offset */
755 #define R_68K_PLT16O 17 /* 16 bit PLT offset */
756 #define R_68K_PLT8O 18 /* 8 bit PLT offset */
757 #define R_68K_COPY 19 /* Copy symbol at runtime */
758 #define R_68K_GLOB_DAT 20 /* Create GOT entry */
759 #define R_68K_JMP_SLOT 21 /* Create PLT entry */
760 #define R_68K_RELATIVE 22 /* Adjust by program base */
761
762 /* Intel 80386 specific definitions. */
763
764 /* i386 relocs. */
765
766 #define R_386_NONE 0 /* No reloc */
767 #define R_386_32 1 /* Direct 32 bit */
768 #define R_386_PC32 2 /* PC relative 32 bit */
769 #define R_386_GOT32 3 /* 32 bit GOT entry */
770 #define R_386_PLT32 4 /* 32 bit PLT address */
771 #define R_386_COPY 5 /* Copy symbol at runtime */
772 #define R_386_GLOB_DAT 6 /* Create GOT entry */
773 #define R_386_JMP_SLOT 7 /* Create PLT entry */
774 #define R_386_RELATIVE 8 /* Adjust by program base */
775 #define R_386_GOTOFF 9 /* 32 bit offset to GOT */
776 #define R_386_GOTPC 10 /* 32 bit PC relative offset to GOT */
777
778 /* SUN SPARC specific definitions. */
779
780 /* Values for Elf64_Ehdr.e_flags. */
781
782 #define EF_SPARCV9_MM 3
783 #define EF_SPARCV9_TSO 0
784 #define EF_SPARCV9_PSO 1
785 #define EF_SPARCV9_RMO 2
786 #define EF_SPARC_EXT_MASK 0xFFFF00
787 #define EF_SPARC_SUN_US1 0x000200
788 #define EF_SPARC_HAL_R1 0x000400
789
790 /* SPARC relocs. */
791
792 #define R_SPARC_NONE 0 /* No reloc */
793 #define R_SPARC_8 1 /* Direct 8 bit */
794 #define R_SPARC_16 2 /* Direct 16 bit */
795 #define R_SPARC_32 3 /* Direct 32 bit */
796 #define R_SPARC_DISP8 4 /* PC relative 8 bit */
797 #define R_SPARC_DISP16 5 /* PC relative 16 bit */
798 #define R_SPARC_DISP32 6 /* PC relative 32 bit */
799 #define R_SPARC_WDISP30 7 /* PC relative 30 bit shifted */
800 #define R_SPARC_WDISP22 8 /* PC relative 22 bit shifted */
801 #define R_SPARC_HI22 9 /* High 22 bit */
802 #define R_SPARC_22 10 /* Direct 22 bit */
803 #define R_SPARC_13 11 /* Direct 13 bit */
804 #define R_SPARC_LO10 12 /* Truncated 10 bit */
805 #define R_SPARC_GOT10 13 /* Truncated 10 bit GOT entry */
806 #define R_SPARC_GOT13 14 /* 13 bit GOT entry */
807 #define R_SPARC_GOT22 15 /* 22 bit GOT entry shifted */
808 #define R_SPARC_PC10 16 /* PC relative 10 bit truncated */
809 #define R_SPARC_PC22 17 /* PC relative 22 bit shifted */
810 #define R_SPARC_WPLT30 18 /* 30 bit PC relative PLT address */
811 #define R_SPARC_COPY 19 /* Copy symbol at runtime */
812 #define R_SPARC_GLOB_DAT 20 /* Create GOT entry */
813 #define R_SPARC_JMP_SLOT 21 /* Create PLT entry */
814 #define R_SPARC_RELATIVE 22 /* Adjust by program base */
815 #define R_SPARC_UA32 23 /* Direct 32 bit unaligned */
816
817 /* Additional Sparc64 relocs. */
818
819 #define R_SPARC_PLT32 24 /* Direct 32 bit ref to PLT entry */
820 #define R_SPARC_HIPLT22 25 /* High 22 bit PLT entry */
821 #define R_SPARC_LOPLT10 26 /* Truncated 10 bit PLT entry */
822 #define R_SPARC_PCPLT32 27 /* PC rel 32 bit ref to PLT entry */
823 #define R_SPARC_PCPLT22 28 /* PC rel high 22 bit PLT entry */
824 #define R_SPARC_PCPLT10 29 /* PC rel trunc 10 bit PLT entry */
825 #define R_SPARC_10 30 /* Direct 10 bit */
826 #define R_SPARC_11 31 /* Direct 11 bit */
827 #define R_SPARC_64 32 /* Direct 64 bit */
828 #define R_SPARC_OLO10 33 /* ?? */
829 #define R_SPARC_HH22 34 /* Top 22 bits of direct 64 bit */
830 #define R_SPARC_HM10 35 /* High middle 10 bits of ... */
831 #define R_SPARC_LM22 36 /* Low middle 22 bits of ... */
832 #define R_SPARC_PC_HH22 37 /* Top 22 bits of pc rel 64 bit */
833 #define R_SPARC_PC_HM10 38 /* High middle 10 bit of ... */
834 #define R_SPARC_PC_LM22 39 /* Low miggle 22 bits of ... */
835 #define R_SPARC_WDISP16 40 /* PC relative 16 bit shifted */
836 #define R_SPARC_WDISP19 41 /* PC relative 19 bit shifted */
837 #define R_SPARC_7 43 /* Direct 7 bit */
838 #define R_SPARC_5 44 /* Direct 5 bit */
839 #define R_SPARC_6 45 /* Direct 6 bit */
840 #define R_SPARC_DISP64 46 /* PC relative 64 bit */
841 #define R_SPARC_PLT64 47 /* Direct 64 bit ref to PLT entry */
842 #define R_SPARC_HIX22 48 /* High 22 bit complemented */
843 #define R_SPARC_LOX10 49 /* Truncated 11 bit complemented */
844 #define R_SPARC_H44 50 /* Direct high 12 of 44 bit */
845 #define R_SPARC_M44 51 /* Direct mid 22 of 44 bit */
846 #define R_SPARC_L44 52 /* Direct low 10 of 44 bit */
847 #define R_SPARC_REGISTER 53 /* Global register usage */
848 #define R_SPARC_UA64 54 /* Direct 64 bit unaligned */
849 #define R_SPARC_UA16 55 /* Direct 16 bit unaligned */
850
851 /* For Sparc64, legal values for d_tag of Elf64_Dyn. */
852
853 #define DT_SPARC_REGISTER 0x70000001
854 #define DT_SPARC_NUM 2
855
856 /* Bits present in AT_HWCAP, primarily for Sparc32. */
857
858 #define HWCAP_SPARC_FLUSH 1 /* The cpu supports flush insn. */
859 #define HWCAP_SPARC_STBAR 2
860 #define HWCAP_SPARC_SWAP 4
861 #define HWCAP_SPARC_MULDIV 8
862 #define HWCAP_SPARC_V9 16 /* The cpu is v9, so v8plus is ok. */
863
864 /* MIPS R3000 specific definitions. */
865
866 /* Legal values for e_flags field of Elf32_Ehdr. */
867
868 #define EF_MIPS_NOREORDER 1 /* A .noreorder directive was used */
869 #define EF_MIPS_PIC 2 /* Contains PIC code */
870 #define EF_MIPS_CPIC 4 /* Uses PIC calling sequence */
871 #define EF_MIPS_ARCH 0xf0000000 /* MIPS architecture level */
872
873 /* Legal values for MIPS architecture level. */
874
875 #define E_MIPS_ARCH_1 0x00000000 /* -mips1 code. */
876 #define E_MIPS_ARCH_2 0x10000000 /* -mips2 code. */
877 #define E_MIPS_ARCH_3 0x20000000 /* -mips3 code. */
878 #define E_MIPS_ARCH_4 0x30000000 /* -mips4 code. */
879 #define E_MIPS_ARCH_5 0x40000000 /* -mips5 code. */
880
881 /* Special section indices. */
882
883 #define SHN_MIPS_ACOMMON 0xff00 /* Allocated common symbols */
884 #define SHN_MIPS_TEXT 0xff01 /* Allocated test symbols. */
885 #define SHN_MIPS_DATA 0xff02 /* Allocated data symbols. */
886 #define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols */
887 #define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined symbols */
888
889 /* Legal values for sh_type field of Elf32_Shdr. */
890
891 #define SHT_MIPS_LIBLIST 0x70000000 /* Shared objects used in link */
892 #define SHT_MIPS_CONFLICT 0x70000002 /* Conflicting symbols */
893 #define SHT_MIPS_GPTAB 0x70000003 /* Global data area sizes */
894 #define SHT_MIPS_UCODE 0x70000004 /* Reserved for SGI/MIPS compilers */
895 #define SHT_MIPS_DEBUG 0x70000005 /* MIPS ECOFF debugging information */
896 #define SHT_MIPS_REGINFO 0x70000006 /* Register usage information */
897 #define SHT_MIPS_OPTIONS 0x7000000d /* Miscellaneous options. */
898 #define SHT_MIPS_DWARF 0x7000001e /* DWARF debugging information. */
899 #define SHT_MIPS_EVENTS 0x70000021 /* Event section. */
900
901 /* Legal values for sh_flags field of Elf32_Shdr. */
902
903 #define SHF_MIPS_GPREL 0x10000000 /* Must be part of global data area */
904
905 /* Entries found in sections of type SHT_MIPS_GPTAB. */
906
907 typedef union
908 {
909 struct
910 {
911 Elf32_Word gt_current_g_value; /* -G value used for compilation */
912 Elf32_Word gt_unused; /* Not used */
913 } gt_header; /* First entry in section */
914 struct
915 {
916 Elf32_Word gt_g_value; /* If this value were used for -G */
917 Elf32_Word gt_bytes; /* This many bytes would be used */
918 } gt_entry; /* Subsequent entries in section */
919 } Elf32_gptab;
920
921 /* Entry found in sections of type SHT_MIPS_REGINFO. */
922
923 typedef struct
924 {
925 Elf32_Word ri_gprmask; /* General registers used */
926 Elf32_Word ri_cprmask[4]; /* Coprocessor registers used */
927 Elf32_Sword ri_gp_value; /* $gp register value */
928 } Elf32_RegInfo;
929
930 /* MIPS relocs. */
931
932 #define R_MIPS_NONE 0 /* No reloc */
933 #define R_MIPS_16 1 /* Direct 16 bit */
934 #define R_MIPS_32 2 /* Direct 32 bit */
935 #define R_MIPS_REL32 3 /* PC relative 32 bit */
936 #define R_MIPS_26 4 /* Direct 26 bit shifted */
937 #define R_MIPS_HI16 5 /* High 16 bit */
938 #define R_MIPS_LO16 6 /* Low 16 bit */
939 #define R_MIPS_GPREL16 7 /* GP relative 16 bit */
940 #define R_MIPS_LITERAL 8 /* 16 bit literal entry */
941 #define R_MIPS_GOT16 9 /* 16 bit GOT entry */
942 #define R_MIPS_PC16 10 /* PC relative 16 bit */
943 #define R_MIPS_CALL16 11 /* 16 bit GOT entry for function */
944 #define R_MIPS_GPREL32 12 /* GP relative 32 bit */
945
946 /* Legal values for p_type field of Elf32_Phdr. */
947
948 #define PT_MIPS_REGINFO 0x70000000 /* Register usage information */
949 #define PT_MIPS_RTPROC 0x70000001 /* Runtime procedure table. */
950 #define PT_MIPS_OPTIONS 0x70000002
951
952 /* Legal values for d_tag field of Elf32_Dyn. */
953
954 #define DT_MIPS_RLD_VERSION 0x70000001 /* Runtime linker interface version */
955 #define DT_MIPS_TIME_STAMP 0x70000002 /* Timestamp */
956 #define DT_MIPS_ICHECKSUM 0x70000003 /* Checksum */
957 #define DT_MIPS_IVERSION 0x70000004 /* Version string (string tbl index) */
958 #define DT_MIPS_FLAGS 0x70000005 /* Flags */
959 #define DT_MIPS_BASE_ADDRESS 0x70000006 /* Base address */
960 #define DT_MIPS_CONFLICT 0x70000008 /* Address of CONFLICT section */
961 #define DT_MIPS_LIBLIST 0x70000009 /* Address of LIBLIST section */
962 #define DT_MIPS_LOCAL_GOTNO 0x7000000a /* Number of local GOT entries */
963 #define DT_MIPS_CONFLICTNO 0x7000000b /* Number of CONFLICT entries */
964 #define DT_MIPS_LIBLISTNO 0x70000010 /* Number of LIBLIST entries */
965 #define DT_MIPS_SYMTABNO 0x70000011 /* Number of DYNSYM entries */
966 #define DT_MIPS_UNREFEXTNO 0x70000012 /* First external DYNSYM */
967 #define DT_MIPS_GOTSYM 0x70000013 /* First GOT entry in DYNSYM */
968 #define DT_MIPS_HIPAGENO 0x70000014 /* Number of GOT page table entries */
969 #define DT_MIPS_RLD_MAP 0x70000016 /* Address of run time loader map. */
970 #define DT_MIPS_NUM 0x17
971
972 /* Legal values for DT_MIPS_FLAG Elf32_Dyn entry. */
973
974 #define RHF_NONE 0 /* No flags */
975 #define RHF_QUICKSTART (1 << 0) /* Use quickstart */
976 #define RHF_NOTPOT (1 << 1) /* Hash size not power of 2 */
977 #define RHF_NO_LIBRARY_REPLACEMENT (1 << 2) /* Ignore LD_LIBRARY_PATH */
978
979 /* Entries found in sections of type SHT_MIPS_LIBLIST. */
980
981 typedef struct
982 {
983 Elf32_Word l_name; /* Name (string table index) */
984 Elf32_Word l_time_stamp; /* Timestamp */
985 Elf32_Word l_checksum; /* Checksum */
986 Elf32_Word l_version; /* Interface version */
987 Elf32_Word l_flags; /* Flags */
988 } Elf32_Lib;
989
990 /* Legal values for l_flags. */
991
992 #define LL_EXACT_MATCH (1 << 0) /* Require exact match */
993 #define LL_IGNORE_INT_VER (1 << 1) /* Ignore interface version */
994
995 /* Entries found in sections of type SHT_MIPS_CONFLICT. */
996
997 typedef Elf32_Addr Elf32_Conflict;
998
999
1000 /* HPPA specific definitions. */
1001
1002 /* Legal values for sh_type field of Elf32_Shdr. */
1003
1004 #define SHT_PARISC_GOT 0x70000000 /* GOT for external data. */
1005 #define SHT_PARISC_ARCH 0x70000001 /* Architecture extensions. */
1006 #define SHT_PARISC_GLOBAL 0x70000002 /* Definition of $global$. */
1007 #define SHT_PARISC_MILLI 0x70000003 /* Millicode routines. */
1008 #define SHT_PARISC_UNWIND 0x70000004 /* Unwind information. */
1009 #define SHT_PARISC_PLT 0x70000005 /* Procedure linkage table. */
1010 #define SHT_PARISC_SDATA 0x70000006 /* Short initialized data. */
1011 #define SHT_PARISC_SBSS 0x70000007 /* Short uninitialized data. */
1012 #define SHT_PARISC_SYMEXTN 0x70000008 /* Argument/relocation info. */
1013 #define SHT_PARISC_STUBS 0x70000009 /* Linker stubs. */
1014
1015 /* Legal values for sh_flags field of Elf32_Shdr. */
1016
1017 #define SHF_PARISC_SHORT 0x20000000 /* Section with short addressing. */
1018
1019 /* Legal values for ST_TYPE subfield of st_info (symbol type). */
1020
1021 #define STT_PARISC_MILLICODE 13 /* Millicode function entry point. */
1022
1023
1024 /* Alpha specific definitions. */
1025
1026 /* Legal values for e_flags field of Elf64_Ehdr. */
1027
1028 #define EF_ALPHA_32BIT 1 /* All addresses must be < 2GB. */
1029 #define EF_ALPHA_CANRELAX 2 /* Relocations for relaxing exist. */
1030
1031 /* Legal values for sh_type field of Elf64_Shdr. */
1032
1033 /* These two are primerily concerned with ECOFF debugging info. */
1034 #define SHT_ALPHA_DEBUG 0x70000001
1035 #define SHT_ALPHA_REGINFO 0x70000002
1036
1037 /* Legal values for sh_flags field of Elf64_Shdr. */
1038
1039 #define SHF_ALPHA_GPREL 0x10000000
1040
1041 /* Alpha relocs. */
1042
1043 #define R_ALPHA_NONE 0 /* No reloc */
1044 #define R_ALPHA_REFLONG 1 /* Direct 32 bit */
1045 #define R_ALPHA_REFQUAD 2 /* Direct 64 bit */
1046 #define R_ALPHA_GPREL32 3 /* GP relative 32 bit */
1047 #define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */
1048 #define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */
1049 #define R_ALPHA_GPDISP 6 /* Add displacement to GP */
1050 #define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */
1051 #define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */
1052 #define R_ALPHA_SREL16 9 /* PC relative 16 bit */
1053 #define R_ALPHA_SREL32 10 /* PC relative 32 bit */
1054 #define R_ALPHA_SREL64 11 /* PC relative 64 bit */
1055 #define R_ALPHA_OP_PUSH 12 /* OP stack push */
1056 #define R_ALPHA_OP_STORE 13 /* OP stack pop and store */
1057 #define R_ALPHA_OP_PSUB 14 /* OP stack subtract */
1058 #define R_ALPHA_OP_PRSHIFT 15 /* OP stack right shift */
1059 #define R_ALPHA_GPVALUE 16
1060 #define R_ALPHA_GPRELHIGH 17
1061 #define R_ALPHA_GPRELLOW 18
1062 #define R_ALPHA_IMMED_GP_16 19
1063 #define R_ALPHA_IMMED_GP_HI32 20
1064 #define R_ALPHA_IMMED_SCN_HI32 21
1065 #define R_ALPHA_IMMED_BR_HI32 22
1066 #define R_ALPHA_IMMED_LO32 23
1067 #define R_ALPHA_COPY 24 /* Copy symbol at runtime */
1068 #define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */
1069 #define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */
1070 #define R_ALPHA_RELATIVE 27 /* Adjust by program base */
1071
1072
1073 /* PowerPC specific declarations */
1074
1075 /* PowerPC relocations defined by the ABIs */
1076 #define R_PPC_NONE 0
1077 #define R_PPC_ADDR32 1
1078 #define R_PPC_ADDR24 2
1079 #define R_PPC_ADDR16 3
1080 #define R_PPC_ADDR16_LO 4
1081 #define R_PPC_ADDR16_HI 5
1082 #define R_PPC_ADDR16_HA 6
1083 #define R_PPC_ADDR14 7
1084 #define R_PPC_ADDR14_BRTAKEN 8
1085 #define R_PPC_ADDR14_BRNTAKEN 9
1086 #define R_PPC_REL24 10
1087 #define R_PPC_REL14 11
1088 #define R_PPC_REL14_BRTAKEN 12
1089 #define R_PPC_REL14_BRNTAKEN 13
1090 #define R_PPC_GOT16 14
1091 #define R_PPC_GOT16_LO 15
1092 #define R_PPC_GOT16_HI 16
1093 #define R_PPC_GOT16_HA 17
1094 #define R_PPC_PLTREL24 18
1095 #define R_PPC_COPY 19
1096 #define R_PPC_GLOB_DAT 20
1097 #define R_PPC_JMP_SLOT 21
1098 #define R_PPC_RELATIVE 22
1099 #define R_PPC_LOCAL24PC 23
1100 #define R_PPC_UADDR32 24
1101 #define R_PPC_UADDR16 25
1102 #define R_PPC_REL32 26
1103 #define R_PPC_PLT32 27
1104 #define R_PPC_PLTREL32 28
1105 #define R_PPC_PLT16_LO 29
1106 #define R_PPC_PLT16_HI 30
1107 #define R_PPC_PLT16_HA 31
1108 #define R_PPC_SDAREL16 32
1109 #define R_PPC_SECTOFF 33
1110 #define R_PPC_SECTOFF_LO 34
1111 #define R_PPC_SECTOFF_HI 35
1112 #define R_PPC_SECTOFF_HA 36
1113
1114 /* The remaining relocs are from the Embedded ELF ABI, and are not
1115 in the SVR4 ELF ABI. */
1116 #define R_PPC_EMB_NADDR32 101
1117 #define R_PPC_EMB_NADDR16 102
1118 #define R_PPC_EMB_NADDR16_LO 103
1119 #define R_PPC_EMB_NADDR16_HI 104
1120 #define R_PPC_EMB_NADDR16_HA 105
1121 #define R_PPC_EMB_SDAI16 106
1122 #define R_PPC_EMB_SDA2I16 107
1123 #define R_PPC_EMB_SDA2REL 108
1124 #define R_PPC_EMB_SDA21 109
1125 #define R_PPC_EMB_MRKREF 110
1126 #define R_PPC_EMB_RELSEC16 111
1127 #define R_PPC_EMB_RELST_LO 112
1128 #define R_PPC_EMB_RELST_HI 113
1129 #define R_PPC_EMB_RELST_HA 114
1130 #define R_PPC_EMB_BIT_FLD 115
1131 #define R_PPC_EMB_RELSDA 116
1132
1133 /* This is a phony reloc to handle any old fashioned TOC16 references
1134 that may still be in object files. */
1135 #define R_PPC_TOC16 255
1136
1137
1138 /* ARM specific declarations */
1139
1140 /* ARM relocs. */
1141
1142 #define R_ARM_NONE 0 /* No reloc */
1143 #define R_ARM_PC24 1 /* PC relative 26 bit branch */
1144 #define R_ARM_ABS32 2 /* Direct 32 bit */
1145 #define R_ARM_REL32 3 /* PC relative 32 bit */
1146 #define R_ARM_COPY 20 /* Copy symbol at runtime */
1147 #define R_ARM_GLOB_DAT 21 /* Create GOT entry */
1148 #define R_ARM_JUMP_SLOT 22 /* Create PLT entry */
1149 #define R_ARM_RELATIVE 23 /* Adjust by program base */
1150 #define R_ARM_GOTOFF 24 /* 32 bit offset to GOT */
1151 #define R_ARM_GOTPC 25 /* 32 bit PC relative offset to GOT */
1152 #define R_ARM_GOT32 26 /* 32 bit GOT entry */
1153 #define R_ARM_PLT32 27 /* 32 bit PLT address */
1154
1155 __END_DECLS
1156
1157 #endif /* elf.h */
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