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added 16-bit x86 assembly support
[tinycc.git] / elf.h
blob8ecadd17e304708eac73be9dc1aed7a8054ec436
1 /* This file defines standard ELF types, structures, and macros.
2 Copyright (C) 1995, 1996, 1997, 1998, 1999 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 #ifndef _WIN32
25 #include <inttypes.h>
26 #else
27 #ifndef __int8_t_defined
28 #define __int8_t_defined
29 typedef signed char int8_t;
30 typedef short int int16_t;
31 typedef int int32_t;
32 typedef long long int int64_t;
33 #endif
34
35 typedef unsigned char uint8_t;
36 typedef unsigned short int uint16_t;
37 typedef unsigned int uint32_t;
38 typedef unsigned long long int uint64_t;
39 #endif
40
41 /* Standard ELF types. */
42
43 /* Type for a 16-bit quantity. */
44 typedef uint16_t Elf32_Half;
45 typedef uint16_t Elf64_Half;
46
47 /* Types for signed and unsigned 32-bit quantities. */
48 typedef uint32_t Elf32_Word;
49 typedef int32_t Elf32_Sword;
50 typedef uint32_t Elf64_Word;
51 typedef int32_t Elf64_Sword;
52
53 /* Types for signed and unsigned 64-bit quantities. */
54 typedef uint64_t Elf32_Xword;
55 typedef int64_t Elf32_Sxword;
56 typedef uint64_t Elf64_Xword;
57 typedef int64_t Elf64_Sxword;
58
59 /* Type of addresses. */
60 typedef uint32_t Elf32_Addr;
61 typedef uint64_t Elf64_Addr;
62
63 /* Type of file offsets. */
64 typedef uint32_t Elf32_Off;
65 typedef uint64_t Elf64_Off;
66
67 /* Type for section indices, which are 16-bit quantities. */
68 typedef uint16_t Elf32_Section;
69 typedef uint16_t Elf64_Section;
70
71 /* Type of symbol indices. */
72 typedef uint32_t Elf32_Symndx;
73 typedef uint64_t Elf64_Symndx;
74
75
76 /* The ELF file header. This appears at the start of every ELF file. */
77
78 #define EI_NIDENT (16)
79
80 typedef struct
81 {
82 unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
83 Elf32_Half e_type; /* Object file type */
84 Elf32_Half e_machine; /* Architecture */
85 Elf32_Word e_version; /* Object file version */
86 Elf32_Addr e_entry; /* Entry point virtual address */
87 Elf32_Off e_phoff; /* Program header table file offset */
88 Elf32_Off e_shoff; /* Section header table file offset */
89 Elf32_Word e_flags; /* Processor-specific flags */
90 Elf32_Half e_ehsize; /* ELF header size in bytes */
91 Elf32_Half e_phentsize; /* Program header table entry size */
92 Elf32_Half e_phnum; /* Program header table entry count */
93 Elf32_Half e_shentsize; /* Section header table entry size */
94 Elf32_Half e_shnum; /* Section header table entry count */
95 Elf32_Half e_shstrndx; /* Section header string table index */
96 } Elf32_Ehdr;
97
98 typedef struct
99 {
100 unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
101 Elf64_Half e_type; /* Object file type */
102 Elf64_Half e_machine; /* Architecture */
103 Elf64_Word e_version; /* Object file version */
104 Elf64_Addr e_entry; /* Entry point virtual address */
105 Elf64_Off e_phoff; /* Program header table file offset */
106 Elf64_Off e_shoff; /* Section header table file offset */
107 Elf64_Word e_flags; /* Processor-specific flags */
108 Elf64_Half e_ehsize; /* ELF header size in bytes */
109 Elf64_Half e_phentsize; /* Program header table entry size */
110 Elf64_Half e_phnum; /* Program header table entry count */
111 Elf64_Half e_shentsize; /* Section header table entry size */
112 Elf64_Half e_shnum; /* Section header table entry count */
113 Elf64_Half e_shstrndx; /* Section header string table index */
114 } Elf64_Ehdr;
115
116 /* Fields in the e_ident array. The EI_* macros are indices into the
117 array. The macros under each EI_* macro are the values the byte
118 may have. */
119
120 #define EI_MAG0 0 /* File identification byte 0 index */
121 #define ELFMAG0 0x7f /* Magic number byte 0 */
122
123 #define EI_MAG1 1 /* File identification byte 1 index */
124 #define ELFMAG1 'E' /* Magic number byte 1 */
125
126 #define EI_MAG2 2 /* File identification byte 2 index */
127 #define ELFMAG2 'L' /* Magic number byte 2 */
128
129 #define EI_MAG3 3 /* File identification byte 3 index */
130 #define ELFMAG3 'F' /* Magic number byte 3 */
131
132 /* Conglomeration of the identification bytes, for easy testing as a word. */
133 #define ELFMAG "\177ELF"
134 #define SELFMAG 4
135
136 #define EI_CLASS 4 /* File class byte index */
137 #define ELFCLASSNONE 0 /* Invalid class */
138 #define ELFCLASS32 1 /* 32-bit objects */
139 #define ELFCLASS64 2 /* 64-bit objects */
140 #define ELFCLASSNUM 3
141
142 #define EI_DATA 5 /* Data encoding byte index */
143 #define ELFDATANONE 0 /* Invalid data encoding */
144 #define ELFDATA2LSB 1 /* 2's complement, little endian */
145 #define ELFDATA2MSB 2 /* 2's complement, big endian */
146 #define ELFDATANUM 3
147
148 #define EI_VERSION 6 /* File version byte index */
149 /* Value must be EV_CURRENT */
150
151 #define EI_OSABI 7 /* OS ABI identification */
152 #define ELFOSABI_SYSV 0 /* UNIX System V ABI */
153 #define ELFOSABI_HPUX 1 /* HP-UX */
154 #define ELFOSABI_FREEBSD 9 /* Free BSD */
155 #define ELFOSABI_ARM 97 /* ARM */
156 #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
157
158 #define EI_ABIVERSION 8 /* ABI version */
159
160 #define EI_PAD 9 /* Byte index of padding bytes */
161
162 /* Legal values for e_type (object file type). */
163
164 #define ET_NONE 0 /* No file type */
165 #define ET_REL 1 /* Relocatable file */
166 #define ET_EXEC 2 /* Executable file */
167 #define ET_DYN 3 /* Shared object file */
168 #define ET_CORE 4 /* Core file */
169 #define ET_NUM 5 /* Number of defined types */
170 #define ET_LOPROC 0xff00 /* Processor-specific */
171 #define ET_HIPROC 0xffff /* Processor-specific */
172
173 /* Legal values for e_machine (architecture). */
174
175 #define EM_NONE 0 /* No machine */
176 #define EM_M32 1 /* AT&T WE 32100 */
177 #define EM_SPARC 2 /* SUN SPARC */
178 #define EM_386 3 /* Intel 80386 */
179 #define EM_68K 4 /* Motorola m68k family */
180 #define EM_88K 5 /* Motorola m88k family */
181 #define EM_486 6 /* Intel 80486 */
182 #define EM_860 7 /* Intel 80860 */
183 #define EM_MIPS 8 /* MIPS R3000 big-endian */
184 #define EM_S370 9 /* Amdahl */
185 #define EM_MIPS_RS4_BE 10 /* MIPS R4000 big-endian */
186 #define EM_RS6000 11 /* RS6000 */
187
188 #define EM_PARISC 15 /* HPPA */
189 #define EM_nCUBE 16 /* nCUBE */
190 #define EM_VPP500 17 /* Fujitsu VPP500 */
191 #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
192 #define EM_960 19 /* Intel 80960 */
193 #define EM_PPC 20 /* PowerPC */
194
195 #define EM_V800 36 /* NEC V800 series */
196 #define EM_FR20 37 /* Fujitsu FR20 */
197 #define EM_RH32 38 /* TRW RH32 */
198 #define EM_RCE 39 /* Motorola RCE */
199 #define EM_ARM 40 /* ARM */
200 #define EM_FAKE_ALPHA 41 /* Digital Alpha */
201 #define EM_SH 42 /* Hitachi SH */
202 #define EM_SPARCV9 43 /* SPARC v9 64-bit */
203 #define EM_TRICORE 44 /* Siemens Tricore */
204 #define EM_ARC 45 /* Argonaut RISC Core */
205 #define EM_H8_300 46 /* Hitachi H8/300 */
206 #define EM_H8_300H 47 /* Hitachi H8/300H */
207 #define EM_H8S 48 /* Hitachi H8S */
208 #define EM_H8_500 49 /* Hitachi H8/500 */
209 #define EM_IA_64 50 /* Intel Merced */
210 #define EM_MIPS_X 51 /* Stanford MIPS-X */
211 #define EM_COLDFIRE 52 /* Motorola Coldfire */
212 #define EM_68HC12 53 /* Motorola M68HC12 */
213 #define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator*/
214 #define EM_PCP 55 /* Siemens PCP */
215 #define EM_NCPU 56 /* Sony nCPU embeeded RISC */
216 #define EM_NDR1 57 /* Denso NDR1 microprocessor */
217 #define EM_STARCORE 58 /* Motorola Start*Core processor */
218 #define EM_ME16 59 /* Toyota ME16 processor */
219 #define EM_ST100 60 /* STMicroelectronic ST100 processor */
220 #define EM_TINYJ 61 /* Advanced Logic Corp. Tinyj emb.fam*/
221 #define EM_X86_64 62 /* AMD x86-64 architecture */
222 #define EM_PDSP 63 /* Sony DSP Processor */
223 #define EM_FX66 66 /* Siemens FX66 microcontroller */
224 #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 mc */
225 #define EM_ST7 68 /* STmicroelectronics ST7 8 bit mc */
226 #define EM_68HC16 69 /* Motorola MC68HC16 microcontroller */
227 #define EM_68HC11 70 /* Motorola MC68HC11 microcontroller */
228 #define EM_68HC08 71 /* Motorola MC68HC08 microcontroller */
229 #define EM_68HC05 72 /* Motorola MC68HC05 microcontroller */
230 #define EM_SVX 73 /* Silicon Graphics SVx */
231 #define EM_ST19 74 /* STMicroelectronics ST19 8 bit mc */
232 #define EM_VAX 75 /* Digital VAX */
233 #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
234 #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded processor */
235 #define EM_FIREPATH 78 /* Element 14 64-bit DSP Processor */
236 #define EM_ZSP 79 /* LSI Logic 16-bit DSP Processor */
237 #define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */
238 #define EM_HUANY 81 /* Harvard University machine-independent object files */
239 #define EM_PRISM 82 /* SiTera Prism */
240 #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
241 #define EM_FR30 84 /* Fujitsu FR30 */
242 #define EM_D10V 85 /* Mitsubishi D10V */
243 #define EM_D30V 86 /* Mitsubishi D30V */
244 #define EM_V850 87 /* NEC v850 */
245 #define EM_M32R 88 /* Mitsubishi M32R */
246 #define EM_MN10300 89 /* Matsushita MN10300 */
247 #define EM_MN10200 90 /* Matsushita MN10200 */
248 #define EM_PJ 91 /* picoJava */
249 #define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */
250 #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
251 #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
252 #define EM_NUM 95
253
254 /* If it is necessary to assign new unofficial EM_* values, please
255 pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the
256 chances of collision with official or non-GNU unofficial values. */
257
258 #define EM_ALPHA 0x9026
259 #define EM_C60 0x9c60
260
261 /* Legal values for e_version (version). */
262
263 #define EV_NONE 0 /* Invalid ELF version */
264 #define EV_CURRENT 1 /* Current version */
265 #define EV_NUM 2
266
267 /* Section header. */
268
269 typedef struct
270 {
271 Elf32_Word sh_name; /* Section name (string tbl index) */
272 Elf32_Word sh_type; /* Section type */
273 Elf32_Word sh_flags; /* Section flags */
274 Elf32_Addr sh_addr; /* Section virtual addr at execution */
275 Elf32_Off sh_offset; /* Section file offset */
276 Elf32_Word sh_size; /* Section size in bytes */
277 Elf32_Word sh_link; /* Link to another section */
278 Elf32_Word sh_info; /* Additional section information */
279 Elf32_Word sh_addralign; /* Section alignment */
280 Elf32_Word sh_entsize; /* Entry size if section holds table */
281 } Elf32_Shdr;
282
283 typedef struct
284 {
285 Elf64_Word sh_name; /* Section name (string tbl index) */
286 Elf64_Word sh_type; /* Section type */
287 Elf64_Xword sh_flags; /* Section flags */
288 Elf64_Addr sh_addr; /* Section virtual addr at execution */
289 Elf64_Off sh_offset; /* Section file offset */
290 Elf64_Xword sh_size; /* Section size in bytes */
291 Elf64_Word sh_link; /* Link to another section */
292 Elf64_Word sh_info; /* Additional section information */
293 Elf64_Xword sh_addralign; /* Section alignment */
294 Elf64_Xword sh_entsize; /* Entry size if section holds table */
295 } Elf64_Shdr;
296
297 /* Special section indices. */
298
299 #define SHN_UNDEF 0 /* Undefined section */
300 #define SHN_LORESERVE 0xff00 /* Start of reserved indices */
301 #define SHN_LOPROC 0xff00 /* Start of processor-specific */
302 #define SHN_HIPROC 0xff1f /* End of processor-specific */
303 #define SHN_ABS 0xfff1 /* Associated symbol is absolute */
304 #define SHN_COMMON 0xfff2 /* Associated symbol is common */
305 #define SHN_HIRESERVE 0xffff /* End of reserved indices */
306
307 /* Legal values for sh_type (section type). */
308
309 #define SHT_NULL 0 /* Section header table entry unused */
310 #define SHT_PROGBITS 1 /* Program data */
311 #define SHT_SYMTAB 2 /* Symbol table */
312 #define SHT_STRTAB 3 /* String table */
313 #define SHT_RELA 4 /* Relocation entries with addends */
314 #define SHT_HASH 5 /* Symbol hash table */
315 #define SHT_DYNAMIC 6 /* Dynamic linking information */
316 #define SHT_NOTE 7 /* Notes */
317 #define SHT_NOBITS 8 /* Program space with no data (bss) */
318 #define SHT_REL 9 /* Relocation entries, no addends */
319 #define SHT_SHLIB 10 /* Reserved */
320 #define SHT_DYNSYM 11 /* Dynamic linker symbol table */
321 #define SHT_NUM 12 /* Number of defined types. */
322 #define SHT_LOOS 0x60000000 /* Start OS-specific */
323 #define SHT_LOSUNW 0x6ffffffb /* Sun-specific low bound. */
324 #define SHT_SUNW_COMDAT 0x6ffffffb
325 #define SHT_SUNW_syminfo 0x6ffffffc
326 #define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */
327 #define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */
328 #define SHT_GNU_versym 0x6fffffff /* Version symbol table. */
329 #define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */
330 #define SHT_HIOS 0x6fffffff /* End OS-specific type */
331 #define SHT_LOPROC 0x70000000 /* Start of processor-specific */
332 #define SHT_ARM_EXIDX 0x70000001 /* Exception Index table */
333 #define SHT_ARM_PREEMPTMAP 0x70000002 /* dynamic linking pre-emption map */
334 #define SHT_ARM_ATTRIBUTES 0x70000003 /* Object file compatibility attrs */
335 #define SHT_HIPROC 0x7fffffff /* End of processor-specific */
336 #define SHT_LOUSER 0x80000000 /* Start of application-specific */
337 #define SHT_HIUSER 0x8fffffff /* End of application-specific */
338
339 /* Legal values for sh_flags (section flags). */
340
341 #define SHF_WRITE (1 << 0) /* Writable */
342 #define SHF_ALLOC (1 << 1) /* Occupies memory during execution */
343 #define SHF_EXECINSTR (1 << 2) /* Executable */
344 #define SHF_MASKPROC 0xf0000000 /* Processor-specific */
345
346 /* Symbol table entry. */
347
348 typedef struct
349 {
350 Elf32_Word st_name; /* Symbol name (string tbl index) */
351 Elf32_Addr st_value; /* Symbol value */
352 Elf32_Word st_size; /* Symbol size */
353 unsigned char st_info; /* Symbol type and binding */
354 unsigned char st_other; /* No defined meaning, 0 */
355 Elf32_Section st_shndx; /* Section index */
356 } Elf32_Sym;
357
358 typedef struct
359 {
360 Elf64_Word st_name; /* Symbol name (string tbl index) */
361 unsigned char st_info; /* Symbol type and binding */
362 unsigned char st_other; /* No defined meaning, 0 */
363 Elf64_Section st_shndx; /* Section index */
364 Elf64_Addr st_value; /* Symbol value */
365 Elf64_Xword st_size; /* Symbol size */
366 } Elf64_Sym;
367
368 /* The syminfo section if available contains additional information about
369 every dynamic symbol. */
370
371 typedef struct
372 {
373 Elf32_Half si_boundto; /* Direct bindings, symbol bound to */
374 Elf32_Half si_flags; /* Per symbol flags */
375 } Elf32_Syminfo;
376
377 typedef struct
378 {
379 Elf64_Half si_boundto; /* Direct bindings, symbol bound to */
380 Elf64_Half si_flags; /* Per symbol flags */
381 } Elf64_Syminfo;
382
383 /* Possible values for si_boundto. */
384 #define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */
385 #define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */
386 #define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */
387
388 /* Possible bitmasks for si_flags. */
389 #define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */
390 #define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */
391 #define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */
392 #define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy
393 loaded */
394 /* Syminfo version values. */
395 #define SYMINFO_NONE 0
396 #define SYMINFO_CURRENT 1
397 #define SYMINFO_NUM 2
398
399
400 /* Special section index. */
401
402 #define SHN_UNDEF 0 /* No section, undefined symbol. */
403
404 /* How to extract and insert information held in the st_info field. */
405
406 #define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4)
407 #define ELF32_ST_TYPE(val) ((val) & 0xf)
408 #define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
409
410 /* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field. */
411 #define ELF64_ST_BIND(val) ELF32_ST_BIND (val)
412 #define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val)
413 #define ELF64_ST_INFO(bind, type) ELF32_ST_INFO ((bind), (type))
414
415 /* Legal values for ST_BIND subfield of st_info (symbol binding). */
416
417 #define STB_LOCAL 0 /* Local symbol */
418 #define STB_GLOBAL 1 /* Global symbol */
419 #define STB_WEAK 2 /* Weak symbol */
420 #define STB_NUM 3 /* Number of defined types. */
421 #define STB_LOOS 10 /* Start of OS-specific */
422 #define STB_HIOS 12 /* End of OS-specific */
423 #define STB_LOPROC 13 /* Start of processor-specific */
424 #define STB_HIPROC 15 /* End of processor-specific */
425
426 /* Legal values for ST_TYPE subfield of st_info (symbol type). */
427
428 #define STT_NOTYPE 0 /* Symbol type is unspecified */
429 #define STT_OBJECT 1 /* Symbol is a data object */
430 #define STT_FUNC 2 /* Symbol is a code object */
431 #define STT_SECTION 3 /* Symbol associated with a section */
432 #define STT_FILE 4 /* Symbol's name is file name */
433 #define STT_NUM 5 /* Number of defined types. */
434 #define STT_LOOS 11 /* Start of OS-specific */
435 #define STT_HIOS 12 /* End of OS-specific */
436 #define STT_LOPROC 13 /* Start of processor-specific */
437 #define STT_HIPROC 15 /* End of processor-specific */
438
439
440 /* Symbol table indices are found in the hash buckets and chain table
441 of a symbol hash table section. This special index value indicates
442 the end of a chain, meaning no further symbols are found in that bucket. */
443
444 #define STN_UNDEF 0 /* End of a chain. */
445
446
447 /* How to extract and insert information held in the st_other field. */
448
449 #define ELF32_ST_VISIBILITY(o) ((o) & 0x03)
450
451 /* For ELF64 the definitions are the same. */
452 #define ELF64_ST_VISIBILITY(o) ELF32_ST_VISIBILITY (o)
453
454 /* Symbol visibility specification encoded in the st_other field. */
455 #define STV_DEFAULT 0 /* Default symbol visibility rules */
456 #define STV_INTERNAL 1 /* Processor specific hidden class */
457 #define STV_HIDDEN 2 /* Sym unavailable in other modules */
458 #define STV_PROTECTED 3 /* Not preemptible, not exported */
459
460
461 /* Relocation table entry without addend (in section of type SHT_REL). */
462
463 typedef struct
464 {
465 Elf32_Addr r_offset; /* Address */
466 Elf32_Word r_info; /* Relocation type and symbol index */
467 } Elf32_Rel;
468
469 /* I have seen two different definitions of the Elf64_Rel and
470 Elf64_Rela structures, so we'll leave them out until Novell (or
471 whoever) gets their act together. */
472 /* The following, at least, is used on Sparc v9, MIPS, and Alpha. */
473
474 typedef struct
475 {
476 Elf64_Addr r_offset; /* Address */
477 Elf64_Xword r_info; /* Relocation type and symbol index */
478 } Elf64_Rel;
479
480 /* Relocation table entry with addend (in section of type SHT_RELA). */
481
482 typedef struct
483 {
484 Elf32_Addr r_offset; /* Address */
485 Elf32_Word r_info; /* Relocation type and symbol index */
486 Elf32_Sword r_addend; /* Addend */
487 } Elf32_Rela;
488
489 typedef struct
490 {
491 Elf64_Addr r_offset; /* Address */
492 Elf64_Xword r_info; /* Relocation type and symbol index */
493 Elf64_Sxword r_addend; /* Addend */
494 } Elf64_Rela;
495
496 /* How to extract and insert information held in the r_info field. */
497
498 #define ELF32_R_SYM(val) ((val) >> 8)
499 #define ELF32_R_TYPE(val) ((val) & 0xff)
500 #define ELF32_R_INFO(sym, type) (((sym) << 8) + ((type) & 0xff))
501
502 #define ELF64_R_SYM(i) ((i) >> 32)
503 #define ELF64_R_TYPE(i) ((i) & 0xffffffff)
504 #define ELF64_R_INFO(sym,type) ((((Elf64_Xword)(sym)) << 32) + (type))
505
506 /* Program segment header. */
507
508 typedef struct
509 {
510 Elf32_Word p_type; /* Segment type */
511 Elf32_Off p_offset; /* Segment file offset */
512 Elf32_Addr p_vaddr; /* Segment virtual address */
513 Elf32_Addr p_paddr; /* Segment physical address */
514 Elf32_Word p_filesz; /* Segment size in file */
515 Elf32_Word p_memsz; /* Segment size in memory */
516 Elf32_Word p_flags; /* Segment flags */
517 Elf32_Word p_align; /* Segment alignment */
518 } Elf32_Phdr;
519
520 typedef struct
521 {
522 Elf64_Word p_type; /* Segment type */
523 Elf64_Word p_flags; /* Segment flags */
524 Elf64_Off p_offset; /* Segment file offset */
525 Elf64_Addr p_vaddr; /* Segment virtual address */
526 Elf64_Addr p_paddr; /* Segment physical address */
527 Elf64_Xword p_filesz; /* Segment size in file */
528 Elf64_Xword p_memsz; /* Segment size in memory */
529 Elf64_Xword p_align; /* Segment alignment */
530 } Elf64_Phdr;
531
532 /* Legal values for p_type (segment type). */
533
534 #define PT_NULL 0 /* Program header table entry unused */
535 #define PT_LOAD 1 /* Loadable program segment */
536 #define PT_DYNAMIC 2 /* Dynamic linking information */
537 #define PT_INTERP 3 /* Program interpreter */
538 #define PT_NOTE 4 /* Auxiliary information */
539 #define PT_SHLIB 5 /* Reserved */
540 #define PT_PHDR 6 /* Entry for header table itself */
541 #define PT_NUM 7 /* Number of defined types. */
542 #define PT_LOOS 0x60000000 /* Start of OS-specific */
543 #define PT_HIOS 0x6fffffff /* End of OS-specific */
544 #define PT_LOPROC 0x70000000 /* Start of processor-specific */
545 #define PT_HIPROC 0x7fffffff /* End of processor-specific */
546
547 /* Legal values for p_flags (segment flags). */
548
549 #define PF_X (1 << 0) /* Segment is executable */
550 #define PF_W (1 << 1) /* Segment is writable */
551 #define PF_R (1 << 2) /* Segment is readable */
552 #define PF_MASKPROC 0xf0000000 /* Processor-specific */
553
554 /* Legal values for note segment descriptor types for core files. */
555
556 #define NT_PRSTATUS 1 /* Contains copy of prstatus struct */
557 #define NT_FPREGSET 2 /* Contains copy of fpregset struct */
558 #define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */
559 #define NT_PRXREG 4 /* Contains copy of prxregset struct */
560 #define NT_PLATFORM 5 /* String from sysinfo(SI_PLATFORM) */
561 #define NT_AUXV 6 /* Contains copy of auxv array */
562 #define NT_GWINDOWS 7 /* Contains copy of gwindows struct */
563 #define NT_PSTATUS 10 /* Contains copy of pstatus struct */
564 #define NT_PSINFO 13 /* Contains copy of psinfo struct */
565 #define NT_PRCRED 14 /* Contains copy of prcred struct */
566 #define NT_UTSNAME 15 /* Contains copy of utsname struct */
567 #define NT_LWPSTATUS 16 /* Contains copy of lwpstatus struct */
568 #define NT_LWPSINFO 17 /* Contains copy of lwpinfo struct */
569
570 /* Legal values for the note segment descriptor types for object files. */
571
572 #define NT_VERSION 1 /* Contains a version string. */
573
574
575 /* Dynamic section entry. */
576
577 typedef struct
578 {
579 Elf32_Sword d_tag; /* Dynamic entry type */
580 union
581 {
582 Elf32_Word d_val; /* Integer value */
583 Elf32_Addr d_ptr; /* Address value */
584 } d_un;
585 } Elf32_Dyn;
586
587 typedef struct
588 {
589 Elf64_Sxword d_tag; /* Dynamic entry type */
590 union
591 {
592 Elf64_Xword d_val; /* Integer value */
593 Elf64_Addr d_ptr; /* Address value */
594 } d_un;
595 } Elf64_Dyn;
596
597 /* Legal values for d_tag (dynamic entry type). */
598
599 #define DT_NULL 0 /* Marks end of dynamic section */
600 #define DT_NEEDED 1 /* Name of needed library */
601 #define DT_PLTRELSZ 2 /* Size in bytes of PLT relocs */
602 #define DT_PLTGOT 3 /* Processor defined value */
603 #define DT_HASH 4 /* Address of symbol hash table */
604 #define DT_STRTAB 5 /* Address of string table */
605 #define DT_SYMTAB 6 /* Address of symbol table */
606 #define DT_RELA 7 /* Address of Rela relocs */
607 #define DT_RELASZ 8 /* Total size of Rela relocs */
608 #define DT_RELAENT 9 /* Size of one Rela reloc */
609 #define DT_STRSZ 10 /* Size of string table */
610 #define DT_SYMENT 11 /* Size of one symbol table entry */
611 #define DT_INIT 12 /* Address of init function */
612 #define DT_FINI 13 /* Address of termination function */
613 #define DT_SONAME 14 /* Name of shared object */
614 #define DT_RPATH 15 /* Library search path */
615 #define DT_SYMBOLIC 16 /* Start symbol search here */
616 #define DT_REL 17 /* Address of Rel relocs */
617 #define DT_RELSZ 18 /* Total size of Rel relocs */
618 #define DT_RELENT 19 /* Size of one Rel reloc */
619 #define DT_PLTREL 20 /* Type of reloc in PLT */
620 #define DT_DEBUG 21 /* For debugging; unspecified */
621 #define DT_TEXTREL 22 /* Reloc might modify .text */
622 #define DT_JMPREL 23 /* Address of PLT relocs */
623 #define DT_BIND_NOW 24 /* Process relocations of object */
624 #define DT_INIT_ARRAY 25 /* Array with addresses of init fct */
625 #define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */
626 #define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */
627 #define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */
628 #define DT_NUM 29 /* Number used */
629 #define DT_LOOS 0x60000000 /* Start of OS-specific */
630 #define DT_HIOS 0x6fffffff /* End of OS-specific */
631 #define DT_LOPROC 0x70000000 /* Start of processor-specific */
632 #define DT_HIPROC 0x7fffffff /* End of processor-specific */
633 #define DT_PROCNUM DT_MIPS_NUM /* Most used by any processor */
634
635 /* DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the
636 Dyn.d_un.d_val field of the Elf*_Dyn structure. This follows Sun's
637 approach. */
638 #define DT_VALRNGLO 0x6ffffd00
639 #define DT_POSFLAG_1 0x6ffffdfd /* Flags for DT_* entries, effecting
640 the following DT_* entry. */
641 #define DT_SYMINSZ 0x6ffffdfe /* Size of syminfo table (in bytes) */
642 #define DT_SYMINENT 0x6ffffdff /* Entry size of syminfo */
643 #define DT_VALRNGHI 0x6ffffdff
644
645 /* DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the
646 Dyn.d_un.d_ptr field of the Elf*_Dyn structure.
647
648 If any adjustment is made to the ELF object after it has been
649 built these entries will need to be adjusted. */
650 #define DT_ADDRRNGLO 0x6ffffe00
651 #define DT_SYMINFO 0x6ffffeff /* syminfo table */
652 #define DT_ADDRRNGHI 0x6ffffeff
653
654 /* The versioning entry types. The next are defined as part of the
655 GNU extension. */
656 #define DT_VERSYM 0x6ffffff0
657
658 /* These were chosen by Sun. */
659 #define DT_FLAGS_1 0x6ffffffb /* State flags, see DF_1_* below. */
660 #define DT_VERDEF 0x6ffffffc /* Address of version definition
661 table */
662 #define DT_VERDEFNUM 0x6ffffffd /* Number of version definitions */
663 #define DT_VERNEED 0x6ffffffe /* Address of table with needed
664 versions */
665 #define DT_VERNEEDNUM 0x6fffffff /* Number of needed versions */
666 #define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */
667 #define DT_VERSIONTAGNUM 16
668
669 /* Sun added these machine-independent extensions in the "processor-specific"
670 range. Be compatible. */
671 #define DT_AUXILIARY 0x7ffffffd /* Shared object to load before self */
672 #define DT_FILTER 0x7fffffff /* Shared object to get values from */
673 #define DT_EXTRATAGIDX(tag) ((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1)
674 #define DT_EXTRANUM 3
675
676 /* State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1
677 entry in the dynamic section. */
678 #define DF_1_NOW 0x00000001 /* Set RTLD_NOW for this object. */
679 #define DF_1_GLOBAL 0x00000002 /* Set RTLD_GLOBAL for this object. */
680 #define DF_1_GROUP 0x00000004 /* Set RTLD_GROUP for this object. */
681 #define DF_1_NODELETE 0x00000008 /* Set RTLD_NODELETE for this object.*/
682 #define DF_1_LOADFLTR 0x00000010 /* Trigger filtee loading at runtime.*/
683 #define DF_1_INITFIRST 0x00000020 /* Set RTLD_INITFIRST for this object*/
684 #define DF_1_NOOPEN 0x00000040 /* Set RTLD_NOOPEN for this object. */
685
686 /* Version definition sections. */
687
688 typedef struct
689 {
690 Elf32_Half vd_version; /* Version revision */
691 Elf32_Half vd_flags; /* Version information */
692 Elf32_Half vd_ndx; /* Version Index */
693 Elf32_Half vd_cnt; /* Number of associated aux entries */
694 Elf32_Word vd_hash; /* Version name hash value */
695 Elf32_Word vd_aux; /* Offset in bytes to verdaux array */
696 Elf32_Word vd_next; /* Offset in bytes to next verdef
697 entry */
698 } Elf32_Verdef;
699
700 typedef struct
701 {
702 Elf64_Half vd_version; /* Version revision */
703 Elf64_Half vd_flags; /* Version information */
704 Elf64_Half vd_ndx; /* Version Index */
705 Elf64_Half vd_cnt; /* Number of associated aux entries */
706 Elf64_Word vd_hash; /* Version name hash value */
707 Elf64_Word vd_aux; /* Offset in bytes to verdaux array */
708 Elf64_Word vd_next; /* Offset in bytes to next verdef
709 entry */
710 } Elf64_Verdef;
711
712
713 /* Legal values for vd_version (version revision). */
714 #define VER_DEF_NONE 0 /* No version */
715 #define VER_DEF_CURRENT 1 /* Current version */
716 #define VER_DEF_NUM 2 /* Given version number */
717
718 /* Legal values for vd_flags (version information flags). */
719 #define VER_FLG_BASE 0x1 /* Version definition of file itself */
720 #define VER_FLG_WEAK 0x2 /* Weak version identifier */
721
722 /* Auxialiary version information. */
723
724 typedef struct
725 {
726 Elf32_Word vda_name; /* Version or dependency names */
727 Elf32_Word vda_next; /* Offset in bytes to next verdaux
728 entry */
729 } Elf32_Verdaux;
730
731 typedef struct
732 {
733 Elf64_Word vda_name; /* Version or dependency names */
734 Elf64_Word vda_next; /* Offset in bytes to next verdaux
735 entry */
736 } Elf64_Verdaux;
737
738
739 /* Version dependency section. */
740
741 typedef struct
742 {
743 Elf32_Half vn_version; /* Version of structure */
744 Elf32_Half vn_cnt; /* Number of associated aux entries */
745 Elf32_Word vn_file; /* Offset of filename for this
746 dependency */
747 Elf32_Word vn_aux; /* Offset in bytes to vernaux array */
748 Elf32_Word vn_next; /* Offset in bytes to next verneed
749 entry */
750 } Elf32_Verneed;
751
752 typedef struct
753 {
754 Elf64_Half vn_version; /* Version of structure */
755 Elf64_Half vn_cnt; /* Number of associated aux entries */
756 Elf64_Word vn_file; /* Offset of filename for this
757 dependency */
758 Elf64_Word vn_aux; /* Offset in bytes to vernaux array */
759 Elf64_Word vn_next; /* Offset in bytes to next verneed
760 entry */
761 } Elf64_Verneed;
762
763
764 /* Legal values for vn_version (version revision). */
765 #define VER_NEED_NONE 0 /* No version */
766 #define VER_NEED_CURRENT 1 /* Current version */
767 #define VER_NEED_NUM 2 /* Given version number */
768
769 /* Auxiliary needed version information. */
770
771 typedef struct
772 {
773 Elf32_Word vna_hash; /* Hash value of dependency name */
774 Elf32_Half vna_flags; /* Dependency specific information */
775 Elf32_Half vna_other; /* Unused */
776 Elf32_Word vna_name; /* Dependency name string offset */
777 Elf32_Word vna_next; /* Offset in bytes to next vernaux
778 entry */
779 } Elf32_Vernaux;
780
781 typedef struct
782 {
783 Elf64_Word vna_hash; /* Hash value of dependency name */
784 Elf64_Half vna_flags; /* Dependency specific information */
785 Elf64_Half vna_other; /* Unused */
786 Elf64_Word vna_name; /* Dependency name string offset */
787 Elf64_Word vna_next; /* Offset in bytes to next vernaux
788 entry */
789 } Elf64_Vernaux;
790
791
792 /* Legal values for vna_flags. */
793 #define VER_FLG_WEAK 0x2 /* Weak version identifier */
794
795
796 /* Auxiliary vector. */
797
798 /* This vector is normally only used by the program interpreter. The
799 usual definition in an ABI supplement uses the name auxv_t. The
800 vector is not usually defined in a standard <elf.h> file, but it
801 can't hurt. We rename it to avoid conflicts. The sizes of these
802 types are an arrangement between the exec server and the program
803 interpreter, so we don't fully specify them here. */
804
805 typedef struct
806 {
807 int a_type; /* Entry type */
808 union
809 {
810 long int a_val; /* Integer value */
811 void *a_ptr; /* Pointer value */
812 void (*a_fcn) (void); /* Function pointer value */
813 } a_un;
814 } Elf32_auxv_t;
815
816 typedef struct
817 {
818 long int a_type; /* Entry type */
819 union
820 {
821 long int a_val; /* Integer value */
822 void *a_ptr; /* Pointer value */
823 void (*a_fcn) (void); /* Function pointer value */
824 } a_un;
825 } Elf64_auxv_t;
826
827 /* Legal values for a_type (entry type). */
828
829 #define AT_NULL 0 /* End of vector */
830 #define AT_IGNORE 1 /* Entry should be ignored */
831 #define AT_EXECFD 2 /* File descriptor of program */
832 #define AT_PHDR 3 /* Program headers for program */
833 #define AT_PHENT 4 /* Size of program header entry */
834 #define AT_PHNUM 5 /* Number of program headers */
835 #define AT_PAGESZ 6 /* System page size */
836 #define AT_BASE 7 /* Base address of interpreter */
837 #define AT_FLAGS 8 /* Flags */
838 #define AT_ENTRY 9 /* Entry point of program */
839 #define AT_NOTELF 10 /* Program is not ELF */
840 #define AT_UID 11 /* Real uid */
841 #define AT_EUID 12 /* Effective uid */
842 #define AT_GID 13 /* Real gid */
843 #define AT_EGID 14 /* Effective gid */
844
845 /* Some more special a_type values describing the hardware. */
846 #define AT_PLATFORM 15 /* String identifying platform. */
847 #define AT_HWCAP 16 /* Machine dependent hints about
848 processor capabilities. */
849
850 /* This entry gives some information about the FPU initialization
851 performed by the kernel. */
852 #define AT_FPUCW 17 /* Used FPU control word. */
853
854
855 /* Note section contents. Each entry in the note section begins with
856 a header of a fixed form. */
857
858 typedef struct
859 {
860 Elf32_Word n_namesz; /* Length of the note's name. */
861 Elf32_Word n_descsz; /* Length of the note's descriptor. */
862 Elf32_Word n_type; /* Type of the note. */
863 } Elf32_Nhdr;
864
865 typedef struct
866 {
867 Elf64_Word n_namesz; /* Length of the note's name. */
868 Elf64_Word n_descsz; /* Length of the note's descriptor. */
869 Elf64_Word n_type; /* Type of the note. */
870 } Elf64_Nhdr;
871
872 /* Known names of notes. */
873
874 /* Solaris entries in the note section have this name. */
875 #define ELF_NOTE_SOLARIS "SUNW Solaris"
876
877 /* Note entries for GNU systems have this name. */
878 #define ELF_NOTE_GNU "GNU"
879
880
881 /* Defined types of notes for Solaris. */
882
883 /* Value of descriptor (one word) is desired pagesize for the binary. */
884 #define ELF_NOTE_PAGESIZE_HINT 1
885
886
887 /* Defined note types for GNU systems. */
888
889 /* ABI information. The descriptor consists of words:
890 word 0: OS descriptor
891 word 1: major version of the ABI
892 word 2: minor version of the ABI
893 word 3: subminor version of the ABI
894 */
895 #define ELF_NOTE_ABI 1
896
897 /* Known OSes. These value can appear in word 0 of an ELF_NOTE_ABI
898 note section entry. */
899 #define ELF_NOTE_OS_LINUX 0
900 #define ELF_NOTE_OS_GNU 1
901 #define ELF_NOTE_OS_SOLARIS2 2
902
903
904 /* Motorola 68k specific definitions. */
905
906 /* m68k relocs. */
907
908 #define R_68K_NONE 0 /* No reloc */
909 #define R_68K_32 1 /* Direct 32 bit */
910 #define R_68K_16 2 /* Direct 16 bit */
911 #define R_68K_8 3 /* Direct 8 bit */
912 #define R_68K_PC32 4 /* PC relative 32 bit */
913 #define R_68K_PC16 5 /* PC relative 16 bit */
914 #define R_68K_PC8 6 /* PC relative 8 bit */
915 #define R_68K_GOT32 7 /* 32 bit PC relative GOT entry */
916 #define R_68K_GOT16 8 /* 16 bit PC relative GOT entry */
917 #define R_68K_GOT8 9 /* 8 bit PC relative GOT entry */
918 #define R_68K_GOT32O 10 /* 32 bit GOT offset */
919 #define R_68K_GOT16O 11 /* 16 bit GOT offset */
920 #define R_68K_GOT8O 12 /* 8 bit GOT offset */
921 #define R_68K_PLT32 13 /* 32 bit PC relative PLT address */
922 #define R_68K_PLT16 14 /* 16 bit PC relative PLT address */
923 #define R_68K_PLT8 15 /* 8 bit PC relative PLT address */
924 #define R_68K_PLT32O 16 /* 32 bit PLT offset */
925 #define R_68K_PLT16O 17 /* 16 bit PLT offset */
926 #define R_68K_PLT8O 18 /* 8 bit PLT offset */
927 #define R_68K_COPY 19 /* Copy symbol at runtime */
928 #define R_68K_GLOB_DAT 20 /* Create GOT entry */
929 #define R_68K_JMP_SLOT 21 /* Create PLT entry */
930 #define R_68K_RELATIVE 22 /* Adjust by program base */
931 /* Keep this the last entry. */
932 #define R_68K_NUM 23
933
934 /* Intel 80386 specific definitions. */
935
936 /* i386 relocs. */
937
938 #define R_386_NONE 0 /* No reloc */
939 #define R_386_32 1 /* Direct 32 bit */
940 #define R_386_PC32 2 /* PC relative 32 bit */
941 #define R_386_GOT32 3 /* 32 bit GOT entry */
942 #define R_386_PLT32 4 /* 32 bit PLT address */
943 #define R_386_COPY 5 /* Copy symbol at runtime */
944 #define R_386_GLOB_DAT 6 /* Create GOT entry */
945 #define R_386_JMP_SLOT 7 /* Create PLT entry */
946 #define R_386_RELATIVE 8 /* Adjust by program base */
947 #define R_386_GOTOFF 9 /* 32 bit offset to GOT */
948 #define R_386_GOTPC 10 /* 32 bit PC relative offset to GOT */
949 /* Keep this the last entry. */
950 #define R_386_NUM 11
951
952 /* TCC-specific 16-bit relocs. */
953 #define R_386_16 12 /* Direct 16 bit */
954 #define R_386_PC16 13 /* PC relative 16 bit */
955
956 /* SUN SPARC specific definitions. */
957
958 /* Values for Elf64_Ehdr.e_flags. */
959
960 #define EF_SPARCV9_MM 3
961 #define EF_SPARCV9_TSO 0
962 #define EF_SPARCV9_PSO 1
963 #define EF_SPARCV9_RMO 2
964 #define EF_SPARC_EXT_MASK 0xFFFF00
965 #define EF_SPARC_SUN_US1 0x000200
966 #define EF_SPARC_HAL_R1 0x000400
967
968 /* SPARC relocs. */
969
970 #define R_SPARC_NONE 0 /* No reloc */
971 #define R_SPARC_8 1 /* Direct 8 bit */
972 #define R_SPARC_16 2 /* Direct 16 bit */
973 #define R_SPARC_32 3 /* Direct 32 bit */
974 #define R_SPARC_DISP8 4 /* PC relative 8 bit */
975 #define R_SPARC_DISP16 5 /* PC relative 16 bit */
976 #define R_SPARC_DISP32 6 /* PC relative 32 bit */
977 #define R_SPARC_WDISP30 7 /* PC relative 30 bit shifted */
978 #define R_SPARC_WDISP22 8 /* PC relative 22 bit shifted */
979 #define R_SPARC_HI22 9 /* High 22 bit */
980 #define R_SPARC_22 10 /* Direct 22 bit */
981 #define R_SPARC_13 11 /* Direct 13 bit */
982 #define R_SPARC_LO10 12 /* Truncated 10 bit */
983 #define R_SPARC_GOT10 13 /* Truncated 10 bit GOT entry */
984 #define R_SPARC_GOT13 14 /* 13 bit GOT entry */
985 #define R_SPARC_GOT22 15 /* 22 bit GOT entry shifted */
986 #define R_SPARC_PC10 16 /* PC relative 10 bit truncated */
987 #define R_SPARC_PC22 17 /* PC relative 22 bit shifted */
988 #define R_SPARC_WPLT30 18 /* 30 bit PC relative PLT address */
989 #define R_SPARC_COPY 19 /* Copy symbol at runtime */
990 #define R_SPARC_GLOB_DAT 20 /* Create GOT entry */
991 #define R_SPARC_JMP_SLOT 21 /* Create PLT entry */
992 #define R_SPARC_RELATIVE 22 /* Adjust by program base */
993 #define R_SPARC_UA32 23 /* Direct 32 bit unaligned */
994
995 /* Additional Sparc64 relocs. */
996
997 #define R_SPARC_PLT32 24 /* Direct 32 bit ref to PLT entry */
998 #define R_SPARC_HIPLT22 25 /* High 22 bit PLT entry */
999 #define R_SPARC_LOPLT10 26 /* Truncated 10 bit PLT entry */
1000 #define R_SPARC_PCPLT32 27 /* PC rel 32 bit ref to PLT entry */
1001 #define R_SPARC_PCPLT22 28 /* PC rel high 22 bit PLT entry */
1002 #define R_SPARC_PCPLT10 29 /* PC rel trunc 10 bit PLT entry */
1003 #define R_SPARC_10 30 /* Direct 10 bit */
1004 #define R_SPARC_11 31 /* Direct 11 bit */
1005 #define R_SPARC_64 32 /* Direct 64 bit */
1006 #define R_SPARC_OLO10 33 /* ?? */
1007 #define R_SPARC_HH22 34 /* Top 22 bits of direct 64 bit */
1008 #define R_SPARC_HM10 35 /* High middle 10 bits of ... */
1009 #define R_SPARC_LM22 36 /* Low middle 22 bits of ... */
1010 #define R_SPARC_PC_HH22 37 /* Top 22 bits of pc rel 64 bit */
1011 #define R_SPARC_PC_HM10 38 /* High middle 10 bit of ... */
1012 #define R_SPARC_PC_LM22 39 /* Low miggle 22 bits of ... */
1013 #define R_SPARC_WDISP16 40 /* PC relative 16 bit shifted */
1014 #define R_SPARC_WDISP19 41 /* PC relative 19 bit shifted */
1015 #define R_SPARC_7 43 /* Direct 7 bit */
1016 #define R_SPARC_5 44 /* Direct 5 bit */
1017 #define R_SPARC_6 45 /* Direct 6 bit */
1018 #define R_SPARC_DISP64 46 /* PC relative 64 bit */
1019 #define R_SPARC_PLT64 47 /* Direct 64 bit ref to PLT entry */
1020 #define R_SPARC_HIX22 48 /* High 22 bit complemented */
1021 #define R_SPARC_LOX10 49 /* Truncated 11 bit complemented */
1022 #define R_SPARC_H44 50 /* Direct high 12 of 44 bit */
1023 #define R_SPARC_M44 51 /* Direct mid 22 of 44 bit */
1024 #define R_SPARC_L44 52 /* Direct low 10 of 44 bit */
1025 #define R_SPARC_REGISTER 53 /* Global register usage */
1026 #define R_SPARC_UA64 54 /* Direct 64 bit unaligned */
1027 #define R_SPARC_UA16 55 /* Direct 16 bit unaligned */
1028 /* Keep this the last entry. */
1029 #define R_SPARC_NUM 56
1030
1031 /* AMD x86-64 relocations. */
1032 #define R_X86_64_NONE 0 /* No reloc */
1033 #define R_X86_64_64 1 /* Direct 64 bit */
1034 #define R_X86_64_PC32 2 /* PC relative 32 bit signed */
1035 #define R_X86_64_GOT32 3 /* 32 bit GOT entry */
1036 #define R_X86_64_PLT32 4 /* 32 bit PLT address */
1037 #define R_X86_64_COPY 5 /* Copy symbol at runtime */
1038 #define R_X86_64_GLOB_DAT 6 /* Create GOT entry */
1039 #define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */
1040 #define R_X86_64_RELATIVE 8 /* Adjust by program base */
1041 #define R_X86_64_GOTPCREL 9 /* 32 bit signed PC relative
1042 offset to GOT */
1043 #define R_X86_64_32 10 /* Direct 32 bit zero extended */
1044 #define R_X86_64_32S 11 /* Direct 32 bit sign extended */
1045 #define R_X86_64_16 12 /* Direct 16 bit zero extended */
1046 #define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */
1047 #define R_X86_64_8 14 /* Direct 8 bit sign extended */
1048 #define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */
1049 #define R_X86_64_DTPMOD64 16 /* ID of module containing symbol */
1050 #define R_X86_64_DTPOFF64 17 /* Offset in module's TLS block */
1051 #define R_X86_64_TPOFF64 18 /* Offset in initial TLS block */
1052 #define R_X86_64_TLSGD 19 /* 32 bit signed PC relative offset
1053 to two GOT entries for GD symbol */
1054 #define R_X86_64_TLSLD 20 /* 32 bit signed PC relative offset
1055 to two GOT entries for LD symbol */
1056 #define R_X86_64_DTPOFF32 21 /* Offset in TLS block */
1057 #define R_X86_64_GOTTPOFF 22 /* 32 bit signed PC relative offset
1058 to GOT entry for IE symbol */
1059 #define R_X86_64_TPOFF32 23 /* Offset in initial TLS block */
1060
1061 #define R_X86_64_NUM 24
1062
1063 /* For Sparc64, legal values for d_tag of Elf64_Dyn. */
1064
1065 #define DT_SPARC_REGISTER 0x70000001
1066 #define DT_SPARC_NUM 2
1067
1068 /* Bits present in AT_HWCAP, primarily for Sparc32. */
1069
1070 #define HWCAP_SPARC_FLUSH 1 /* The cpu supports flush insn. */
1071 #define HWCAP_SPARC_STBAR 2
1072 #define HWCAP_SPARC_SWAP 4
1073 #define HWCAP_SPARC_MULDIV 8
1074 #define HWCAP_SPARC_V9 16 /* The cpu is v9, so v8plus is ok. */
1075
1076 /* MIPS R3000 specific definitions. */
1077
1078 /* Legal values for e_flags field of Elf32_Ehdr. */
1079
1080 #define EF_MIPS_NOREORDER 1 /* A .noreorder directive was used */
1081 #define EF_MIPS_PIC 2 /* Contains PIC code */
1082 #define EF_MIPS_CPIC 4 /* Uses PIC calling sequence */
1083 #define EF_MIPS_XGOT 8
1084 #define EF_MIPS_64BIT_WHIRL 16
1085 #define EF_MIPS_ABI2 32
1086 #define EF_MIPS_ABI_ON32 64
1087 #define EF_MIPS_ARCH 0xf0000000 /* MIPS architecture level */
1088
1089 /* Legal values for MIPS architecture level. */
1090
1091 #define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code. */
1092 #define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code. */
1093 #define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code. */
1094 #define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code. */
1095 #define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */
1096
1097 /* The following are non-official names and should not be used. */
1098
1099 #define E_MIPS_ARCH_1 0x00000000 /* -mips1 code. */
1100 #define E_MIPS_ARCH_2 0x10000000 /* -mips2 code. */
1101 #define E_MIPS_ARCH_3 0x20000000 /* -mips3 code. */
1102 #define E_MIPS_ARCH_4 0x30000000 /* -mips4 code. */
1103 #define E_MIPS_ARCH_5 0x40000000 /* -mips5 code. */
1104
1105 /* Special section indices. */
1106
1107 #define SHN_MIPS_ACOMMON 0xff00 /* Allocated common symbols */
1108 #define SHN_MIPS_TEXT 0xff01 /* Allocated test symbols. */
1109 #define SHN_MIPS_DATA 0xff02 /* Allocated data symbols. */
1110 #define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols */
1111 #define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined symbols */
1112
1113 /* Legal values for sh_type field of Elf32_Shdr. */
1114
1115 #define SHT_MIPS_LIBLIST 0x70000000 /* Shared objects used in link */
1116 #define SHT_MIPS_MSYM 0x70000001
1117 #define SHT_MIPS_CONFLICT 0x70000002 /* Conflicting symbols */
1118 #define SHT_MIPS_GPTAB 0x70000003 /* Global data area sizes */
1119 #define SHT_MIPS_UCODE 0x70000004 /* Reserved for SGI/MIPS compilers */
1120 #define SHT_MIPS_DEBUG 0x70000005 /* MIPS ECOFF debugging information*/
1121 #define SHT_MIPS_REGINFO 0x70000006 /* Register usage information */
1122 #define SHT_MIPS_PACKAGE 0x70000007
1123 #define SHT_MIPS_PACKSYM 0x70000008
1124 #define SHT_MIPS_RELD 0x70000009
1125 #define SHT_MIPS_IFACE 0x7000000b
1126 #define SHT_MIPS_CONTENT 0x7000000c
1127 #define SHT_MIPS_OPTIONS 0x7000000d /* Miscellaneous options. */
1128 #define SHT_MIPS_SHDR 0x70000010
1129 #define SHT_MIPS_FDESC 0x70000011
1130 #define SHT_MIPS_EXTSYM 0x70000012
1131 #define SHT_MIPS_DENSE 0x70000013
1132 #define SHT_MIPS_PDESC 0x70000014
1133 #define SHT_MIPS_LOCSYM 0x70000015
1134 #define SHT_MIPS_AUXSYM 0x70000016
1135 #define SHT_MIPS_OPTSYM 0x70000017
1136 #define SHT_MIPS_LOCSTR 0x70000018
1137 #define SHT_MIPS_LINE 0x70000019
1138 #define SHT_MIPS_RFDESC 0x7000001a
1139 #define SHT_MIPS_DELTASYM 0x7000001b
1140 #define SHT_MIPS_DELTAINST 0x7000001c
1141 #define SHT_MIPS_DELTACLASS 0x7000001d
1142 #define SHT_MIPS_DWARF 0x7000001e /* DWARF debugging information. */
1143 #define SHT_MIPS_DELTADECL 0x7000001f
1144 #define SHT_MIPS_SYMBOL_LIB 0x70000020
1145 #define SHT_MIPS_EVENTS 0x70000021 /* Event section. */
1146 #define SHT_MIPS_TRANSLATE 0x70000022
1147 #define SHT_MIPS_PIXIE 0x70000023
1148 #define SHT_MIPS_XLATE 0x70000024
1149 #define SHT_MIPS_XLATE_DEBUG 0x70000025
1150 #define SHT_MIPS_WHIRL 0x70000026
1151 #define SHT_MIPS_EH_REGION 0x70000027
1152 #define SHT_MIPS_XLATE_OLD 0x70000028
1153 #define SHT_MIPS_PDR_EXCEPTION 0x70000029
1154
1155 /* Legal values for sh_flags field of Elf32_Shdr. */
1156
1157 #define SHF_MIPS_GPREL 0x10000000 /* Must be part of global data area */
1158 #define SHF_MIPS_MERGE 0x20000000
1159 #define SHF_MIPS_ADDR 0x40000000
1160 #define SHF_MIPS_STRINGS 0x80000000
1161 #define SHF_MIPS_NOSTRIP 0x08000000
1162 #define SHF_MIPS_LOCAL 0x04000000
1163 #define SHF_MIPS_NAMES 0x02000000
1164 #define SHF_MIPS_NODUPE 0x01000000
1165
1166
1167 /* Symbol tables. */
1168
1169 /* MIPS specific values for `st_other'. */
1170 #define STO_MIPS_DEFAULT 0x0
1171 #define STO_MIPS_INTERNAL 0x1
1172 #define STO_MIPS_HIDDEN 0x2
1173 #define STO_MIPS_PROTECTED 0x3
1174 #define STO_MIPS_SC_ALIGN_UNUSED 0xff
1175
1176 /* MIPS specific values for `st_info'. */
1177 #define STB_MIPS_SPLIT_COMMON 13
1178
1179 /* Entries found in sections of type SHT_MIPS_GPTAB. */
1180
1181 typedef union
1182 {
1183 struct
1184 {
1185 Elf32_Word gt_current_g_value; /* -G value used for compilation */
1186 Elf32_Word gt_unused; /* Not used */
1187 } gt_header; /* First entry in section */
1188 struct
1189 {
1190 Elf32_Word gt_g_value; /* If this value were used for -G */
1191 Elf32_Word gt_bytes; /* This many bytes would be used */
1192 } gt_entry; /* Subsequent entries in section */
1193 } Elf32_gptab;
1194
1195 /* Entry found in sections of type SHT_MIPS_REGINFO. */
1196
1197 typedef struct
1198 {
1199 Elf32_Word ri_gprmask; /* General registers used */
1200 Elf32_Word ri_cprmask[4]; /* Coprocessor registers used */
1201 Elf32_Sword ri_gp_value; /* $gp register value */
1202 } Elf32_RegInfo;
1203
1204 /* Entries found in sections of type SHT_MIPS_OPTIONS. */
1205
1206 typedef struct
1207 {
1208 unsigned char kind; /* Determines interpretation of the
1209 variable part of descriptor. */
1210 unsigned char size; /* Size of descriptor, including header. */
1211 Elf32_Section section; /* Section header index of section affected,
1212 0 for global options. */
1213 Elf32_Word info; /* Kind-specific information. */
1214 } Elf_Options;
1215
1216 /* Values for `kind' field in Elf_Options. */
1217
1218 #define ODK_NULL 0 /* Undefined. */
1219 #define ODK_REGINFO 1 /* Register usage information. */
1220 #define ODK_EXCEPTIONS 2 /* Exception processing options. */
1221 #define ODK_PAD 3 /* Section padding options. */
1222 #define ODK_HWPATCH 4 /* Hardware workarounds performed */
1223 #define ODK_FILL 5 /* record the fill value used by the linker. */
1224 #define ODK_TAGS 6 /* reserve space for desktop tools to write. */
1225 #define ODK_HWAND 7 /* HW workarounds. 'AND' bits when merging. */
1226 #define ODK_HWOR 8 /* HW workarounds. 'OR' bits when merging. */
1227
1228 /* Values for `info' in Elf_Options for ODK_EXCEPTIONS entries. */
1229
1230 #define OEX_FPU_MIN 0x1f /* FPE's which MUST be enabled. */
1231 #define OEX_FPU_MAX 0x1f00 /* FPE's which MAY be enabled. */
1232 #define OEX_PAGE0 0x10000 /* page zero must be mapped. */
1233 #define OEX_SMM 0x20000 /* Force sequential memory mode? */
1234 #define OEX_FPDBUG 0x40000 /* Force floating point debug mode? */
1235 #define OEX_PRECISEFP OEX_FPDBUG
1236 #define OEX_DISMISS 0x80000 /* Dismiss invalid address faults? */
1237
1238 #define OEX_FPU_INVAL 0x10
1239 #define OEX_FPU_DIV0 0x08
1240 #define OEX_FPU_OFLO 0x04
1241 #define OEX_FPU_UFLO 0x02
1242 #define OEX_FPU_INEX 0x01
1243
1244 /* Masks for `info' in Elf_Options for an ODK_HWPATCH entry. */
1245
1246 #define OHW_R4KEOP 0x1 /* R4000 end-of-page patch. */
1247 #define OHW_R8KPFETCH 0x2 /* may need R8000 prefetch patch. */
1248 #define OHW_R5KEOP 0x4 /* R5000 end-of-page patch. */
1249 #define OHW_R5KCVTL 0x8 /* R5000 cvt.[ds].l bug. clean=1. */
1250
1251 #define OPAD_PREFIX 0x1
1252 #define OPAD_POSTFIX 0x2
1253 #define OPAD_SYMBOL 0x4
1254
1255 /* Entry found in `.options' section. */
1256
1257 typedef struct
1258 {
1259 Elf32_Word hwp_flags1; /* Extra flags. */
1260 Elf32_Word hwp_flags2; /* Extra flags. */
1261 } Elf_Options_Hw;
1262
1263 /* Masks for `info' in ElfOptions for ODK_HWAND and ODK_HWOR entries. */
1264
1265 #define OHWA0_R4KEOP_CHECKED 0x00000001
1266 #define OHWA1_R4KEOP_CLEAN 0x00000002
1267
1268 /* MIPS relocs. */
1269
1270 #define R_MIPS_NONE 0 /* No reloc */
1271 #define R_MIPS_16 1 /* Direct 16 bit */
1272 #define R_MIPS_32 2 /* Direct 32 bit */
1273 #define R_MIPS_REL32 3 /* PC relative 32 bit */
1274 #define R_MIPS_26 4 /* Direct 26 bit shifted */
1275 #define R_MIPS_HI16 5 /* High 16 bit */
1276 #define R_MIPS_LO16 6 /* Low 16 bit */
1277 #define R_MIPS_GPREL16 7 /* GP relative 16 bit */
1278 #define R_MIPS_LITERAL 8 /* 16 bit literal entry */
1279 #define R_MIPS_GOT16 9 /* 16 bit GOT entry */
1280 #define R_MIPS_PC16 10 /* PC relative 16 bit */
1281 #define R_MIPS_CALL16 11 /* 16 bit GOT entry for function */
1282 #define R_MIPS_GPREL32 12 /* GP relative 32 bit */
1283
1284 #define R_MIPS_SHIFT5 16
1285 #define R_MIPS_SHIFT6 17
1286 #define R_MIPS_64 18
1287 #define R_MIPS_GOT_DISP 19
1288 #define R_MIPS_GOT_PAGE 20
1289 #define R_MIPS_GOT_OFST 21
1290 #define R_MIPS_GOT_HI16 22
1291 #define R_MIPS_GOT_LO16 23
1292 #define R_MIPS_SUB 24
1293 #define R_MIPS_INSERT_A 25
1294 #define R_MIPS_INSERT_B 26
1295 #define R_MIPS_DELETE 27
1296 #define R_MIPS_HIGHER 28
1297 #define R_MIPS_HIGHEST 29
1298 #define R_MIPS_CALL_HI16 30
1299 #define R_MIPS_CALL_LO16 31
1300 #define R_MIPS_SCN_DISP 32
1301 #define R_MIPS_REL16 33
1302 #define R_MIPS_ADD_IMMEDIATE 34
1303 #define R_MIPS_PJUMP 35
1304 #define R_MIPS_RELGOT 36
1305 #define R_MIPS_JALR 37
1306 /* Keep this the last entry. */
1307 #define R_MIPS_NUM 38
1308
1309 /* Legal values for p_type field of Elf32_Phdr. */
1310
1311 #define PT_MIPS_REGINFO 0x70000000 /* Register usage information */
1312 #define PT_MIPS_RTPROC 0x70000001 /* Runtime procedure table. */
1313 #define PT_MIPS_OPTIONS 0x70000002
1314
1315 /* Special program header types. */
1316
1317 #define PF_MIPS_LOCAL 0x10000000
1318
1319 /* Legal values for d_tag field of Elf32_Dyn. */
1320
1321 #define DT_MIPS_RLD_VERSION 0x70000001 /* Runtime linker interface version */
1322 #define DT_MIPS_TIME_STAMP 0x70000002 /* Timestamp */
1323 #define DT_MIPS_ICHECKSUM 0x70000003 /* Checksum */
1324 #define DT_MIPS_IVERSION 0x70000004 /* Version string (string tbl index) */
1325 #define DT_MIPS_FLAGS 0x70000005 /* Flags */
1326 #define DT_MIPS_BASE_ADDRESS 0x70000006 /* Base address */
1327 #define DT_MIPS_MSYM 0x70000007
1328 #define DT_MIPS_CONFLICT 0x70000008 /* Address of CONFLICT section */
1329 #define DT_MIPS_LIBLIST 0x70000009 /* Address of LIBLIST section */
1330 #define DT_MIPS_LOCAL_GOTNO 0x7000000a /* Number of local GOT entries */
1331 #define DT_MIPS_CONFLICTNO 0x7000000b /* Number of CONFLICT entries */
1332 #define DT_MIPS_LIBLISTNO 0x70000010 /* Number of LIBLIST entries */
1333 #define DT_MIPS_SYMTABNO 0x70000011 /* Number of DYNSYM entries */
1334 #define DT_MIPS_UNREFEXTNO 0x70000012 /* First external DYNSYM */
1335 #define DT_MIPS_GOTSYM 0x70000013 /* First GOT entry in DYNSYM */
1336 #define DT_MIPS_HIPAGENO 0x70000014 /* Number of GOT page table entries */
1337 #define DT_MIPS_RLD_MAP 0x70000016 /* Address of run time loader map. */
1338 #define DT_MIPS_DELTA_CLASS 0x70000017 /* Delta C++ class definition. */
1339 #define DT_MIPS_DELTA_CLASS_NO 0x70000018 /* Number of entries in
1340 DT_MIPS_DELTA_CLASS. */
1341 #define DT_MIPS_DELTA_INSTANCE 0x70000019 /* Delta C++ class instances. */
1342 #define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a /* Number of entries in
1343 DT_MIPS_DELTA_INSTANCE. */
1344 #define DT_MIPS_DELTA_RELOC 0x7000001b /* Delta relocations. */
1345 #define DT_MIPS_DELTA_RELOC_NO 0x7000001c /* Number of entries in
1346 DT_MIPS_DELTA_RELOC. */
1347 #define DT_MIPS_DELTA_SYM 0x7000001d /* Delta symbols that Delta
1348 relocations refer to. */
1349 #define DT_MIPS_DELTA_SYM_NO 0x7000001e /* Number of entries in
1350 DT_MIPS_DELTA_SYM. */
1351 #define DT_MIPS_DELTA_CLASSSYM 0x70000020 /* Delta symbols that hold the
1352 class declaration. */
1353 #define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 /* Number of entries in
1354 DT_MIPS_DELTA_CLASSSYM. */
1355 #define DT_MIPS_CXX_FLAGS 0x70000022 /* Flags indicating for C++ flavor. */
1356 #define DT_MIPS_PIXIE_INIT 0x70000023
1357 #define DT_MIPS_SYMBOL_LIB 0x70000024
1358 #define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025
1359 #define DT_MIPS_LOCAL_GOTIDX 0x70000026
1360 #define DT_MIPS_HIDDEN_GOTIDX 0x70000027
1361 #define DT_MIPS_PROTECTED_GOTIDX 0x70000028
1362 #define DT_MIPS_OPTIONS 0x70000029 /* Address of .options. */
1363 #define DT_MIPS_INTERFACE 0x7000002a /* Address of .interface. */
1364 #define DT_MIPS_DYNSTR_ALIGN 0x7000002b
1365 #define DT_MIPS_INTERFACE_SIZE 0x7000002c /* Size of the .interface section. */
1366 #define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d /* Address of rld_text_rsolve
1367 function stored in GOT. */
1368 #define DT_MIPS_PERF_SUFFIX 0x7000002e /* Default suffix of dso to be added
1369 by rld on dlopen() calls. */
1370 #define DT_MIPS_COMPACT_SIZE 0x7000002f /* (O32)Size of compact rel section. */
1371 #define DT_MIPS_GP_VALUE 0x70000030 /* GP value for aux GOTs. */
1372 #define DT_MIPS_AUX_DYNAMIC 0x70000031 /* Address of aux .dynamic. */
1373 #define DT_MIPS_NUM 0x32
1374
1375 /* Legal values for DT_MIPS_FLAGS Elf32_Dyn entry. */
1376
1377 #define RHF_NONE 0 /* No flags */
1378 #define RHF_QUICKSTART (1 << 0) /* Use quickstart */
1379 #define RHF_NOTPOT (1 << 1) /* Hash size not power of 2 */
1380 #define RHF_NO_LIBRARY_REPLACEMENT (1 << 2) /* Ignore LD_LIBRARY_PATH */
1381 #define RHF_NO_MOVE (1 << 3)
1382 #define RHF_SGI_ONLY (1 << 4)
1383 #define RHF_GUARANTEE_INIT (1 << 5)
1384 #define RHF_DELTA_C_PLUS_PLUS (1 << 6)
1385 #define RHF_GUARANTEE_START_INIT (1 << 7)
1386 #define RHF_PIXIE (1 << 8)
1387 #define RHF_DEFAULT_DELAY_LOAD (1 << 9)
1388 #define RHF_REQUICKSTART (1 << 10)
1389 #define RHF_REQUICKSTARTED (1 << 11)
1390 #define RHF_CORD (1 << 12)
1391 #define RHF_NO_UNRES_UNDEF (1 << 13)
1392 #define RHF_RLD_ORDER_SAFE (1 << 14)
1393
1394 /* Entries found in sections of type SHT_MIPS_LIBLIST. */
1395
1396 typedef struct
1397 {
1398 Elf32_Word l_name; /* Name (string table index) */
1399 Elf32_Word l_time_stamp; /* Timestamp */
1400 Elf32_Word l_checksum; /* Checksum */
1401 Elf32_Word l_version; /* Interface version */
1402 Elf32_Word l_flags; /* Flags */
1403 } Elf32_Lib;
1404
1405 typedef struct
1406 {
1407 Elf64_Word l_name; /* Name (string table index) */
1408 Elf64_Word l_time_stamp; /* Timestamp */
1409 Elf64_Word l_checksum; /* Checksum */
1410 Elf64_Word l_version; /* Interface version */
1411 Elf64_Word l_flags; /* Flags */
1412 } Elf64_Lib;
1413
1414
1415 /* Legal values for l_flags. */
1416
1417 #define LL_NONE 0
1418 #define LL_EXACT_MATCH (1 << 0) /* Require exact match */
1419 #define LL_IGNORE_INT_VER (1 << 1) /* Ignore interface version */
1420 #define LL_REQUIRE_MINOR (1 << 2)
1421 #define LL_EXPORTS (1 << 3)
1422 #define LL_DELAY_LOAD (1 << 4)
1423 #define LL_DELTA (1 << 5)
1424
1425 /* Entries found in sections of type SHT_MIPS_CONFLICT. */
1426
1427 typedef Elf32_Addr Elf32_Conflict;
1428
1429
1430 /* HPPA specific definitions. */
1431
1432 /* Legal values for e_flags field of Elf32_Ehdr. */
1433
1434 #define EF_PARISC_TRAPNL 1 /* Trap nil pointer dereference. */
1435 #define EF_PARISC_EXT 2 /* Program uses arch. extensions. */
1436 #define EF_PARISC_ARCH 0xffff0000 /* Architecture version. */
1437 /* Defined values are:
1438 0x020b PA-RISC 1.0 big-endian
1439 0x0210 PA-RISC 1.1 big-endian
1440 0x028b PA-RISC 1.0 little-endian
1441 0x0290 PA-RISC 1.1 little-endian
1442 */
1443
1444 /* Legal values for sh_type field of Elf32_Shdr. */
1445
1446 #define SHT_PARISC_GOT 0x70000000 /* GOT for external data. */
1447 #define SHT_PARISC_ARCH 0x70000001 /* Architecture extensions. */
1448 #define SHT_PARISC_GLOBAL 0x70000002 /* Definition of $global$. */
1449 #define SHT_PARISC_MILLI 0x70000003 /* Millicode routines. */
1450 #define SHT_PARISC_UNWIND 0x70000004 /* Unwind information. */
1451 #define SHT_PARISC_PLT 0x70000005 /* Procedure linkage table. */
1452 #define SHT_PARISC_SDATA 0x70000006 /* Short initialized data. */
1453 #define SHT_PARISC_SBSS 0x70000007 /* Short uninitialized data. */
1454 #define SHT_PARISC_SYMEXTN 0x70000008 /* Argument/relocation info. */
1455 #define SHT_PARISC_STUBS 0x70000009 /* Linker stubs. */
1456
1457 /* Legal values for sh_flags field of Elf32_Shdr. */
1458
1459 #define SHF_PARISC_GLOBAL 0x10000000 /* Section defines dp. */
1460 #define SHF_PARISC_SHORT 0x20000000 /* Section with short addressing. */
1461
1462 /* Legal values for ST_TYPE subfield of st_info (symbol type). */
1463
1464 #define STT_PARISC_MILLICODE 13 /* Millicode function entry point. */
1465
1466 /* HPPA relocs. */
1467
1468 #define R_PARISC_NONE 0 /* No reloc. */
1469 #define R_PARISC_DIR32 1 /* Direct 32-bit reference. */
1470 #define R_PARISC_DIR21L 2 /* Left 21 bits of eff. address. */
1471 #define R_PARISC_DIR17R 3 /* Right 17 bits of eff. address. */
1472 #define R_PARISC_DIR14R 4 /* Right 14 bits of eff. address. */
1473 #define R_PARISC_PCREL21L 5 /* PC-relative, left 21 bits. */
1474 #define R_PARISC_PCREL14R 6 /* PC-relative, right 14 bits. */
1475 #define R_PARISC_PCREL17C 7 /* Conditional PC-relative, ignore
1476 if displacement > 17bits. */
1477 #define R_PARISC_PCREL17F 8 /* Conditional PC-relative, must
1478 fit in 17bits. */
1479 #define R_PARISC_DPREL21L 9 /* DP-relative, left 21 bits. */
1480 #define R_PARISC_DPREL14R 10 /* DP-relative, right 14 bits. */
1481 #define R_PARISC_DPREL14F 11 /* DP-relative, must bit in 14 bits. */
1482 #define R_PARISC_DLTREL21L 12 /* DLT-relative, left 21 bits. */
1483 #define R_PARISC_DLTREL14R 13 /* DLT-relative, right 14 bits. */
1484 #define R_PARISC_DLTREL14F 14 /* DLT-relative, must fit in 14 bits.*/
1485 #define R_PARISC_DLTIND21L 15 /* DLT-relative indirect, left
1486 21 bits. */
1487 #define R_PARISC_DLTIND14R 16 /* DLT-relative indirect, right
1488 14 bits. */
1489 #define R_PARISC_DLTIND14F 17 /* DLT-relative indirect, must fit
1490 int 14 bits. */
1491 #define R_PARISC_PLABEL32 18 /* Direct 32-bit reference to proc. */
1492
1493 /* Alpha specific definitions. */
1494
1495 /* Legal values for e_flags field of Elf64_Ehdr. */
1496
1497 #define EF_ALPHA_32BIT 1 /* All addresses must be < 2GB. */
1498 #define EF_ALPHA_CANRELAX 2 /* Relocations for relaxing exist. */
1499
1500 /* Legal values for sh_type field of Elf64_Shdr. */
1501
1502 /* These two are primerily concerned with ECOFF debugging info. */
1503 #define SHT_ALPHA_DEBUG 0x70000001
1504 #define SHT_ALPHA_REGINFO 0x70000002
1505
1506 /* Legal values for sh_flags field of Elf64_Shdr. */
1507
1508 #define SHF_ALPHA_GPREL 0x10000000
1509
1510 /* Legal values for st_other field of Elf64_Sym. */
1511 #define STO_ALPHA_NOPV 0x80 /* No PV required. */
1512 #define STO_ALPHA_STD_GPLOAD 0x88 /* PV only used for initial ldgp. */
1513
1514 /* Alpha relocs. */
1515
1516 #define R_ALPHA_NONE 0 /* No reloc */
1517 #define R_ALPHA_REFLONG 1 /* Direct 32 bit */
1518 #define R_ALPHA_REFQUAD 2 /* Direct 64 bit */
1519 #define R_ALPHA_GPREL32 3 /* GP relative 32 bit */
1520 #define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */
1521 #define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */
1522 #define R_ALPHA_GPDISP 6 /* Add displacement to GP */
1523 #define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */
1524 #define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */
1525 #define R_ALPHA_SREL16 9 /* PC relative 16 bit */
1526 #define R_ALPHA_SREL32 10 /* PC relative 32 bit */
1527 #define R_ALPHA_SREL64 11 /* PC relative 64 bit */
1528 #define R_ALPHA_OP_PUSH 12 /* OP stack push */
1529 #define R_ALPHA_OP_STORE 13 /* OP stack pop and store */
1530 #define R_ALPHA_OP_PSUB 14 /* OP stack subtract */
1531 #define R_ALPHA_OP_PRSHIFT 15 /* OP stack right shift */
1532 #define R_ALPHA_GPVALUE 16
1533 #define R_ALPHA_GPRELHIGH 17
1534 #define R_ALPHA_GPRELLOW 18
1535 #define R_ALPHA_IMMED_GP_16 19
1536 #define R_ALPHA_IMMED_GP_HI32 20
1537 #define R_ALPHA_IMMED_SCN_HI32 21
1538 #define R_ALPHA_IMMED_BR_HI32 22
1539 #define R_ALPHA_IMMED_LO32 23
1540 #define R_ALPHA_COPY 24 /* Copy symbol at runtime */
1541 #define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */
1542 #define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */
1543 #define R_ALPHA_RELATIVE 27 /* Adjust by program base */
1544 /* Keep this the last entry. */
1545 #define R_ALPHA_NUM 28
1546
1547
1548 /* PowerPC specific declarations */
1549
1550 /* PowerPC relocations defined by the ABIs */
1551 #define R_PPC_NONE 0
1552 #define R_PPC_ADDR32 1 /* 32bit absolute address */
1553 #define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */
1554 #define R_PPC_ADDR16 3 /* 16bit absolute address */
1555 #define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */
1556 #define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */
1557 #define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */
1558 #define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */
1559 #define R_PPC_ADDR14_BRTAKEN 8
1560 #define R_PPC_ADDR14_BRNTAKEN 9
1561 #define R_PPC_REL24 10 /* PC relative 26 bit */
1562 #define R_PPC_REL14 11 /* PC relative 16 bit */
1563 #define R_PPC_REL14_BRTAKEN 12
1564 #define R_PPC_REL14_BRNTAKEN 13
1565 #define R_PPC_GOT16 14
1566 #define R_PPC_GOT16_LO 15
1567 #define R_PPC_GOT16_HI 16
1568 #define R_PPC_GOT16_HA 17
1569 #define R_PPC_PLTREL24 18
1570 #define R_PPC_COPY 19
1571 #define R_PPC_GLOB_DAT 20
1572 #define R_PPC_JMP_SLOT 21
1573 #define R_PPC_RELATIVE 22
1574 #define R_PPC_LOCAL24PC 23
1575 #define R_PPC_UADDR32 24
1576 #define R_PPC_UADDR16 25
1577 #define R_PPC_REL32 26
1578 #define R_PPC_PLT32 27
1579 #define R_PPC_PLTREL32 28
1580 #define R_PPC_PLT16_LO 29
1581 #define R_PPC_PLT16_HI 30
1582 #define R_PPC_PLT16_HA 31
1583 #define R_PPC_SDAREL16 32
1584 #define R_PPC_SECTOFF 33
1585 #define R_PPC_SECTOFF_LO 34
1586 #define R_PPC_SECTOFF_HI 35
1587 #define R_PPC_SECTOFF_HA 36
1588 /* Keep this the last entry. */
1589 #define R_PPC_NUM 37
1590
1591 /* The remaining relocs are from the Embedded ELF ABI, and are not
1592 in the SVR4 ELF ABI. */
1593 #define R_PPC_EMB_NADDR32 101
1594 #define R_PPC_EMB_NADDR16 102
1595 #define R_PPC_EMB_NADDR16_LO 103
1596 #define R_PPC_EMB_NADDR16_HI 104
1597 #define R_PPC_EMB_NADDR16_HA 105
1598 #define R_PPC_EMB_SDAI16 106
1599 #define R_PPC_EMB_SDA2I16 107
1600 #define R_PPC_EMB_SDA2REL 108
1601 #define R_PPC_EMB_SDA21 109 /* 16 bit offset in SDA */
1602 #define R_PPC_EMB_MRKREF 110
1603 #define R_PPC_EMB_RELSEC16 111
1604 #define R_PPC_EMB_RELST_LO 112
1605 #define R_PPC_EMB_RELST_HI 113
1606 #define R_PPC_EMB_RELST_HA 114
1607 #define R_PPC_EMB_BIT_FLD 115
1608 #define R_PPC_EMB_RELSDA 116 /* 16 bit relative offset in SDA */
1609
1610 /* Diab tool relocations. */
1611 #define R_PPC_DIAB_SDA21_LO 180 /* like EMB_SDA21, but lower 16 bit */
1612 #define R_PPC_DIAB_SDA21_HI 181 /* like EMB_SDA21, but high 16 bit */
1613 #define R_PPC_DIAB_SDA21_HA 182 /* like EMB_SDA21, adjusted high 16 */
1614 #define R_PPC_DIAB_RELSDA_LO 183 /* like EMB_RELSDA, but lower 16 bit */
1615 #define R_PPC_DIAB_RELSDA_HI 184 /* like EMB_RELSDA, but high 16 bit */
1616 #define R_PPC_DIAB_RELSDA_HA 185 /* like EMB_RELSDA, adjusted high 16 */
1617
1618 /* This is a phony reloc to handle any old fashioned TOC16 references
1619 that may still be in object files. */
1620 #define R_PPC_TOC16 255
1621
1622
1623 /* ARM specific declarations */
1624
1625 /* Processor specific flags for the ELF header e_flags field. */
1626 #define EF_ARM_RELEXEC 0x01
1627 #define EF_ARM_HASENTRY 0x02
1628 #define EF_ARM_INTERWORK 0x04
1629 #define EF_ARM_APCS_26 0x08
1630 #define EF_ARM_APCS_FLOAT 0x10
1631 #define EF_ARM_PIC 0x20
1632 #define EF_ALIGN8 0x40 /* 8-bit structure alignment is in use */
1633 #define EF_NEW_ABI 0x80
1634 #define EF_OLD_ABI 0x100
1635
1636 /* Additional symbol types for Thumb */
1637 #define STT_ARM_TFUNC 0xd
1638
1639 /* ARM-specific values for sh_flags */
1640 #define SHF_ARM_ENTRYSECT 0x10000000 /* Section contains an entry point */
1641 #define SHF_ARM_COMDEF 0x80000000 /* Section may be multiply defined
1642 in the input to a link step */
1643
1644 /* ARM-specific program header flags */
1645 #define PF_ARM_SB 0x10000000 /* Segment contains the location
1646 addressed by the static base */
1647
1648 /* ARM relocs. */
1649 #define R_ARM_NONE 0 /* No reloc */
1650 #define R_ARM_PC24 1 /* PC relative 26 bit branch */
1651 #define R_ARM_ABS32 2 /* Direct 32 bit */
1652 #define R_ARM_REL32 3 /* PC relative 32 bit */
1653 #define R_ARM_PC13 4
1654 #define R_ARM_ABS16 5 /* Direct 16 bit */
1655 #define R_ARM_ABS12 6 /* Direct 12 bit */
1656 #define R_ARM_THM_ABS5 7
1657 #define R_ARM_ABS8 8 /* Direct 8 bit */
1658 #define R_ARM_SBREL32 9
1659 #define R_ARM_THM_PC22 10
1660 #define R_ARM_THM_PC8 11
1661 #define R_ARM_AMP_VCALL9 12
1662 #define R_ARM_SWI24 13
1663 #define R_ARM_THM_SWI8 14
1664 #define R_ARM_XPC25 15
1665 #define R_ARM_THM_XPC22 16
1666 #define R_ARM_COPY 20 /* Copy symbol at runtime */
1667 #define R_ARM_GLOB_DAT 21 /* Create GOT entry */
1668 #define R_ARM_JUMP_SLOT 22 /* Create PLT entry */
1669 #define R_ARM_RELATIVE 23 /* Adjust by program base */
1670 #define R_ARM_GOTOFF32 24 /* 32 bit offset to GOT */
1671 #define R_ARM_BASE_PREL 25 /* 32 bit PC relative offset to GOT */
1672 #define R_ARM_GOT_BREL 26 /* 32 bit GOT entry */
1673 #define R_ARM_PLT32 27 /* 32 bit PLT address */
1674 #define R_ARM_CALL 28
1675 #define R_ARM_JUMP24 29
1676 #define R_ARM_PREL31 42
1677 #define R_ARM_GNU_VTENTRY 100
1678 #define R_ARM_GNU_VTINHERIT 101
1679 #define R_ARM_THM_PC11 102 /* thumb unconditional branch */
1680 #define R_ARM_THM_PC9 103 /* thumb conditional branch */
1681 #define R_ARM_RXPC25 249
1682 #define R_ARM_RSBREL32 250
1683 #define R_ARM_THM_RPC22 251
1684 #define R_ARM_RREL32 252
1685 #define R_ARM_RABS22 253
1686 #define R_ARM_RPC24 254
1687 #define R_ARM_RBASE 255
1688 /* Keep this the last entry. */
1689 #define R_ARM_NUM 256
1690
1691 /* TMS320C67xx specific declarations */
1692 /* XXX: no ELF standard yet */
1693
1694 /* TMS320C67xx relocs. */
1695 #define R_C60_32 1
1696 #define R_C60_GOT32 3 /* 32 bit GOT entry */
1697 #define R_C60_PLT32 4 /* 32 bit PLT address */
1698 #define R_C60_COPY 5 /* Copy symbol at runtime */
1699 #define R_C60_GLOB_DAT 6 /* Create GOT entry */
1700 #define R_C60_JMP_SLOT 7 /* Create PLT entry */
1701 #define R_C60_RELATIVE 8 /* Adjust by program base */
1702 #define R_C60_GOTOFF 9 /* 32 bit offset to GOT */
1703 #define R_C60_GOTPC 10 /* 32 bit PC relative offset to GOT */
1704
1705 #define R_C60HI16 0x55 // high 16 bit MVKH embedded
1706 #define R_C60LO16 0x54 // low 16 bit MVKL embedded
1707
1708 #ifdef TCC_TARGET_X86_64
1709 #define TCC_ELFCLASS ELFCLASS64
1710 #define ElfW(type) Elf##64##_##type
1711 #define ELFW(type) ELF##64##_##type
1712 #else
1713 #define TCC_ELFCLASS ELFCLASS32
1714 #define ElfW(type) Elf##32##_##type
1715 #define ELFW(type) ELF##32##_##type
1716 #endif
1717
1718 #endif /* elf.h */
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