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252b5132 | 1 | /* ELF support for BFD. |
348a3483 | 2 | Copyright (C) 1991,92,93,94,95,96,97,98,1999 Free Software Foundation, Inc. |
252b5132 RH |
3 | |
4 | Written by Fred Fish @ Cygnus Support, from information published | |
5 | in "UNIX System V Release 4, Programmers Guide: ANSI C and | |
6 | Programming Support Tools". | |
7 | ||
8 | This file is part of BFD, the Binary File Descriptor library. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
23 | ||
24 | ||
25 | /* This file is part of ELF support for BFD, and contains the portions | |
26 | that are common to both the internal and external representations. | |
27 | For example, ELFMAG0 is the byte 0x7F in both the internal (in-memory) | |
28 | and external (in-file) representations. */ | |
29 | ||
30 | #ifndef _ELF_COMMON_H | |
31 | #define _ELF_COMMON_H | |
32 | ||
33 | /* Fields in e_ident[] */ | |
34 | ||
35 | #define EI_MAG0 0 /* File identification byte 0 index */ | |
36 | #define ELFMAG0 0x7F /* Magic number byte 0 */ | |
37 | ||
38 | #define EI_MAG1 1 /* File identification byte 1 index */ | |
39 | #define ELFMAG1 'E' /* Magic number byte 1 */ | |
40 | ||
41 | #define EI_MAG2 2 /* File identification byte 2 index */ | |
42 | #define ELFMAG2 'L' /* Magic number byte 2 */ | |
43 | ||
44 | #define EI_MAG3 3 /* File identification byte 3 index */ | |
45 | #define ELFMAG3 'F' /* Magic number byte 3 */ | |
46 | ||
47 | #define EI_CLASS 4 /* File class */ | |
48 | #define ELFCLASSNONE 0 /* Invalid class */ | |
49 | #define ELFCLASS32 1 /* 32-bit objects */ | |
50 | #define ELFCLASS64 2 /* 64-bit objects */ | |
51 | ||
52 | #define EI_DATA 5 /* Data encoding */ | |
53 | #define ELFDATANONE 0 /* Invalid data encoding */ | |
54 | #define ELFDATA2LSB 1 /* 2's complement, little endian */ | |
55 | #define ELFDATA2MSB 2 /* 2's complement, big endian */ | |
56 | ||
57 | #define EI_VERSION 6 /* File version */ | |
58 | ||
59 | #define EI_OSABI 7 /* Operating System/ABI indication */ | |
60 | #define ELFOSABI_SYSV 0 /* UNIX System V ABI */ | |
61 | #define ELFOSABI_HPUX 1 /* HP-UX operating system */ | |
62 | #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ | |
3d4920d7 | 63 | #define ELFOSABI_ARM 97 /* ARM */ |
252b5132 RH |
64 | |
65 | #define EI_ABIVERSION 8 /* ABI version */ | |
66 | ||
67 | #define EI_PAD 9 /* Start of padding bytes */ | |
68 | ||
69 | ||
70 | /* Values for e_type, which identifies the object file type */ | |
71 | ||
72 | #define ET_NONE 0 /* No file type */ | |
73 | #define ET_REL 1 /* Relocatable file */ | |
74 | #define ET_EXEC 2 /* Executable file */ | |
75 | #define ET_DYN 3 /* Shared object file */ | |
76 | #define ET_CORE 4 /* Core file */ | |
77 | #define ET_LOOS 0xFE00 /* Operating system-specific */ | |
78 | #define ET_HIOS 0xFEFF /* Operating system-specific */ | |
79 | #define ET_LOPROC 0xFF00 /* Processor-specific */ | |
80 | #define ET_HIPROC 0xFFFF /* Processor-specific */ | |
81 | ||
82 | /* Values for e_machine, which identifies the architecture */ | |
83 | ||
84 | #define EM_NONE 0 /* No machine */ | |
85 | #define EM_M32 1 /* AT&T WE 32100 */ | |
86 | #define EM_SPARC 2 /* SUN SPARC */ | |
87 | #define EM_386 3 /* Intel 80386 */ | |
88 | #define EM_68K 4 /* Motorola m68k family */ | |
89 | #define EM_88K 5 /* Motorola m88k family */ | |
90 | #define EM_486 6 /* Intel 80486 */ | |
91 | #define EM_860 7 /* Intel 80860 */ | |
92 | #define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */ | |
93 | #define EM_S370 9 /* Amdahl */ | |
0fc731e4 NC |
94 | #define EM_MIPS_RS4_BE 10 /* MIPS R4000 big-endian */ /* Depreciated */ |
95 | #define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian (Oct 4 1999 Draft)*/ /* Depreciated */ | |
252b5132 RH |
96 | |
97 | #define EM_PARISC 15 /* HPPA */ | |
0fc731e4 | 98 | |
252b5132 RH |
99 | #define EM_VPP550 17 /* Fujitsu VPP500 */ |
100 | #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ | |
101 | #define EM_960 19 /* Intel 80960 */ | |
102 | #define EM_PPC 20 /* PowerPC */ | |
348a3483 | 103 | #define EM_PPC64 21 /* 64-bit PowerPC */ |
252b5132 RH |
104 | |
105 | #define EM_V800 36 /* NEC V800 series */ | |
106 | #define EM_FR20 37 /* Fujitsu FR20 */ | |
107 | #define EM_RH32 38 /* TRW RH32 */ | |
108 | #define EM_MCORE 39 /* Motorolla MCore */ /* May also be taken by Fujitsu MMA */ | |
0fc731e4 | 109 | #define EM_RCE 39 /* Old name for MCore */ |
252b5132 RH |
110 | #define EM_ARM 40 /* ARM */ |
111 | #define EM_OLD_ALPHA 41 /* Digital Alpha */ | |
112 | #define EM_SH 42 /* Hitachi SH */ | |
113 | #define EM_SPARCV9 43 /* SPARC v9 64-bit */ | |
114 | #define EM_TRICORE 44 /* Siemens Tricore embedded processor */ | |
115 | #define EM_ARC 45 /* Argonaut RISC Core, Argonaut Technologies Inc. */ | |
116 | #define EM_H8_300 46 /* Hitachi H8/300 */ | |
117 | #define EM_H8_300H 47 /* Hitachi H8/300H */ | |
118 | #define EM_H8S 48 /* Hitachi H8S */ | |
119 | #define EM_H8_500 49 /* Hitachi H8/500 */ | |
120 | #define EM_IA_64 50 /* Intel MercedTM Processor */ | |
121 | #define EM_MIPS_X 51 /* Stanford MIPS-X */ | |
122 | #define EM_COLDFIRE 52 /* Motorola Coldfire */ | |
123 | #define EM_68HC12 53 /* Motorola M68HC12 */ | |
0fc731e4 NC |
124 | #define EM_MMA 54 /* Fujitsu Multimedia Accelerator */ |
125 | #define EM_PCP 55 /* Siemens PCP */ | |
126 | #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */ | |
127 | #define EM_NDR1 57 /* Denso NDR1 microprocesspr */ | |
128 | #define EM_STARCORE 58 /* Motorola Star*Core processor */ | |
129 | #define EM_ME16 59 /* Toyota ME16 processor */ | |
130 | #define EM_ST100 60 /* STMicroelectronics ST100 processor */ | |
131 | #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded processor */ | |
132 | ||
133 | #define EM_FX66 66 /* Siemens FX66 microcontroller */ | |
134 | #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */ | |
135 | #define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */ | |
136 | #define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */ | |
137 | #define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */ | |
138 | #define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */ | |
139 | #define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */ | |
140 | #define EM_SVX 73 /* Silicon Graphics SVx */ | |
141 | #define EM_ST19 74 /* STMicroelectronics ST19 8-bit microcontroller */ | |
142 | #define EM_VAX 75 /* Digital VAX */ | |
252b5132 | 143 | |
c6a40e00 ILT |
144 | #define EM_PJ 99 /* picoJava */ |
145 | ||
252b5132 RH |
146 | /* If it is necessary to assign new unofficial EM_* values, please pick large |
147 | random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision | |
148 | with official or non-GNU unofficial values. | |
149 | ||
150 | NOTE: Do not just increment the most recent number by one. | |
151 | Somebody else somewhere will do exactly the same thing, and you | |
152 | will have a collision. Instead, pick a random number. */ | |
153 | ||
154 | /* Cygnus PowerPC ELF backend. Written in the absence of an ABI. */ | |
155 | #define EM_CYGNUS_POWERPC 0x9025 | |
156 | ||
157 | /* Old version of Sparc v9, from before the ABI; this should be | |
158 | removed shortly. */ | |
159 | #define EM_OLD_SPARCV9 11 | |
160 | ||
161 | /* Old version of PowerPC, this should be removed shortly. */ | |
162 | #define EM_PPC_OLD 17 | |
163 | ||
164 | /* Cygnus ARC ELF backend. Written in the absence of an ABI. */ | |
165 | #define EM_CYGNUS_ARC 0x9040 | |
166 | ||
167 | /* Cygnus M32R ELF backend. Written in the absence of an ABI. */ | |
168 | #define EM_CYGNUS_M32R 0x9041 | |
169 | ||
170 | /* Alpha backend magic number. Written in the absence of an ABI. */ | |
171 | #define EM_ALPHA 0x9026 | |
172 | ||
173 | /* D10V backend magic number. Written in the absence of an ABI. */ | |
174 | #define EM_CYGNUS_D10V 0x7650 | |
175 | ||
176 | /* D30V backend magic number. Written in the absence of an ABI. */ | |
177 | #define EM_CYGNUS_D30V 0x7676 | |
178 | ||
179 | /* V850 backend magic number. Written in the absense of an ABI. */ | |
180 | #define EM_CYGNUS_V850 0x9080 | |
181 | ||
182 | /* mn10200 and mn10300 backend magic numbers. | |
183 | Written in the absense of an ABI. */ | |
184 | #define EM_CYGNUS_MN10200 0xdead | |
185 | #define EM_CYGNUS_MN10300 0xbeef | |
186 | ||
187 | /* FR30 magic number - no EABI available. */ | |
188 | #define EM_CYGNUS_FR30 0x3330 | |
189 | ||
190 | /* See the above comment before you add a new EM_* value here. */ | |
191 | ||
192 | /* Values for e_version */ | |
193 | ||
194 | #define EV_NONE 0 /* Invalid ELF version */ | |
195 | #define EV_CURRENT 1 /* Current version */ | |
196 | ||
197 | /* Values for program header, p_type field */ | |
198 | ||
199 | #define PT_NULL 0 /* Program header table entry unused */ | |
200 | #define PT_LOAD 1 /* Loadable program segment */ | |
201 | #define PT_DYNAMIC 2 /* Dynamic linking information */ | |
202 | #define PT_INTERP 3 /* Program interpreter */ | |
203 | #define PT_NOTE 4 /* Auxiliary information */ | |
204 | #define PT_SHLIB 5 /* Reserved, unspecified semantics */ | |
205 | #define PT_PHDR 6 /* Entry for header table itself */ | |
206 | #define PT_LOOS 0x60000000 /* OS-specific */ | |
207 | #define PT_HIOS 0x6fffffff /* OS-specific */ | |
208 | #define PT_LOPROC 0x70000000 /* Processor-specific */ | |
209 | #define PT_HIPROC 0x7FFFFFFF /* Processor-specific */ | |
210 | ||
211 | /* Program segment permissions, in program header p_flags field */ | |
212 | ||
213 | #define PF_X (1 << 0) /* Segment is executable */ | |
214 | #define PF_W (1 << 1) /* Segment is writable */ | |
215 | #define PF_R (1 << 2) /* Segment is readable */ | |
0fc731e4 NC |
216 | /* #define PF_MASKOS 0x0F000000 *//* OS-specific reserved bits */ |
217 | #define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */ | |
252b5132 RH |
218 | #define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */ |
219 | ||
220 | /* Values for section header, sh_type field */ | |
221 | ||
222 | #define SHT_NULL 0 /* Section header table entry unused */ | |
223 | #define SHT_PROGBITS 1 /* Program specific (private) data */ | |
224 | #define SHT_SYMTAB 2 /* Link editing symbol table */ | |
225 | #define SHT_STRTAB 3 /* A string table */ | |
226 | #define SHT_RELA 4 /* Relocation entries with addends */ | |
227 | #define SHT_HASH 5 /* A symbol hash table */ | |
228 | #define SHT_DYNAMIC 6 /* Information for dynamic linking */ | |
229 | #define SHT_NOTE 7 /* Information that marks file */ | |
230 | #define SHT_NOBITS 8 /* Section occupies no space in file */ | |
231 | #define SHT_REL 9 /* Relocation entries, no addends */ | |
232 | #define SHT_SHLIB 10 /* Reserved, unspecified semantics */ | |
233 | #define SHT_DYNSYM 11 /* Dynamic linking symbol table */ | |
234 | ||
0fc731e4 NC |
235 | #define SHT_INIT_ARRAY 14 /* Array of pointers to init functions */ |
236 | #define SHT_FINI_ARRAY 15 /* Array of pointers to finish functions */ | |
237 | #define SHT_PREINIT_ARRAY 16 /* Array of pointers to pre-init functions */ | |
238 | ||
252b5132 RH |
239 | #define SHT_LOOS 0x60000000 /* Operating system specific semantics, lo */ |
240 | #define SHT_HIOS 0x6fffffff /* Operating system specific semantics, hi */ | |
241 | ||
242 | /* The next three section types are defined by Solaris, and are named | |
243 | SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU* | |
244 | versions. */ | |
245 | #define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */ | |
246 | #define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */ | |
247 | #define SHT_SUNW_versym 0x6fffffff /* Symbol versions */ | |
248 | ||
249 | #define SHT_GNU_verdef SHT_SUNW_verdef | |
250 | #define SHT_GNU_verneed SHT_SUNW_verneed | |
251 | #define SHT_GNU_versym SHT_SUNW_versym | |
252 | ||
253 | #define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */ | |
254 | #define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */ | |
255 | #define SHT_LOUSER 0x80000000 /* Application-specific semantics */ | |
0fc731e4 NC |
256 | /* #define SHT_HIUSER 0x8FFFFFFF *//* Application-specific semantics */ |
257 | #define SHT_HIUSER 0xFFFFFFFF /* New value, defined in Oct 4, 1999 Draft */ | |
252b5132 RH |
258 | |
259 | /* Values for section header, sh_flags field */ | |
260 | ||
261 | #define SHF_WRITE (1 << 0) /* Writable data during execution */ | |
262 | #define SHF_ALLOC (1 << 1) /* Occupies memory during execution */ | |
263 | #define SHF_EXECINSTR (1 << 2) /* Executable machine instructions */ | |
0fc731e4 NC |
264 | #define SHF_MERGE (1 << 4) /* Data in this section can be merged */ |
265 | #define SHF_STRINGS (1 << 5) /* Contains null terminated character strings */ | |
266 | #define SHF_INFO_LINK (1 << 6) /* sh_info holds section header table index */ | |
267 | #define SHF_LINK_ORDER (1 << 7) /* Preserve section ordering when linking */ | |
268 | #define SHF_OS_NONCONFORMING (1 << 8) /* OS specifci processing required */ | |
269 | ||
270 | /* #define SHF_MASKOS 0x0F000000 *//* OS-specific semantics */ | |
271 | #define SHF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */ | |
252b5132 RH |
272 | #define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */ |
273 | ||
274 | /* Values of note segment descriptor types for core files. */ | |
275 | ||
276 | #define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ | |
277 | #define NT_FPREGSET 2 /* Contains copy of fpregset struct */ | |
278 | #define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ | |
7e3c779a | 279 | #define NT_TASKSTRUCT 4 /* Contains copy of task struct */ |
0fc731e4 NC |
280 | #define NT_PRXFPREG 0x46e62b7f /* Contains a user_xfpregs_struct; */ |
281 | /* note name must be "LINUX". */ | |
252b5132 RH |
282 | |
283 | /* Note segments for core files on dir-style procfs systems. */ | |
284 | ||
285 | #define NT_PSTATUS 10 /* Has a struct pstatus */ | |
286 | #define NT_FPREGS 12 /* Has a struct fpregset */ | |
287 | #define NT_PSINFO 13 /* Has a struct psinfo */ | |
288 | #define NT_LWPSTATUS 16 /* Has a struct lwpstatus_t */ | |
289 | #define NT_LWPSINFO 17 /* Has a struct lwpsinfo_t */ | |
879b0f76 | 290 | #define NT_WIN32PSTATUS 18 /* Has a struct win32_pstatus */ |
252b5132 RH |
291 | |
292 | /* Values of note segment descriptor types for object files. */ | |
293 | /* (Only for hppa right now. Should this be moved elsewhere?) */ | |
294 | ||
295 | #define NT_VERSION 1 /* Contains a version string. */ | |
296 | ||
297 | /* These three macros disassemble and assemble a symbol table st_info field, | |
298 | which contains the symbol binding and symbol type. The STB_ and STT_ | |
299 | defines identify the binding and type. */ | |
300 | ||
301 | #define ELF_ST_BIND(val) (((unsigned int)(val)) >> 4) | |
302 | #define ELF_ST_TYPE(val) ((val) & 0xF) | |
303 | #define ELF_ST_INFO(bind,type) (((bind) << 4) + ((type) & 0xF)) | |
304 | ||
0fc731e4 NC |
305 | /* The 64bit and 32bit versions of these macros are identical, but |
306 | the ELF spec defines them, so here they are. */ | |
307 | #define ELF32_ST_BIND ELF_ST_BIND | |
308 | #define ELF32_ST_TYPE ELF_ST_TYPE | |
309 | #define ELF32_ST_INFO ELF_ST_INFO | |
310 | #define ELF64_ST_BIND ELF_ST_BIND | |
311 | #define ELF64_ST_TYPE ELF_ST_TYPE | |
312 | #define ELF64_ST_INFO ELF_ST_INFO | |
313 | ||
314 | /* These two macros disassemble and assemble a symbol's visibility into | |
315 | the st_other field. The STV_ defines specificy the actual visibility. */ | |
316 | ||
317 | #define ELF_ST_VISIBILITY(v) ((v) & 0x3) | |
318 | #define ELF_ST_OTHER(o) ((o) & ~0x3) | |
319 | ||
320 | #define ELF32_ST_VISIBILITY ELF_ST_VISIBILITY | |
321 | #define ELF32_ST_OTHER ELF_ST_OTHER | |
322 | #define ELF64_ST_VISIBILITY ELF_ST_VISIBILITY | |
323 | #define ELF64_ST_OTHER ELF_ST_OTHER | |
324 | ||
325 | ||
252b5132 RH |
326 | #define STN_UNDEF 0 /* undefined symbol index */ |
327 | ||
328 | #define STB_LOCAL 0 /* Symbol not visible outside obj */ | |
329 | #define STB_GLOBAL 1 /* Symbol visible outside obj */ | |
330 | #define STB_WEAK 2 /* Like globals, lower precedence */ | |
331 | #define STB_LOOS 10 /* OS-specific semantics */ | |
332 | #define STB_HIOS 12 /* OS-specific semantics */ | |
333 | #define STB_LOPROC 13 /* Application-specific semantics */ | |
334 | #define STB_HIPROC 15 /* Application-specific semantics */ | |
335 | ||
336 | #define STT_NOTYPE 0 /* Symbol type is unspecified */ | |
337 | #define STT_OBJECT 1 /* Symbol is a data object */ | |
338 | #define STT_FUNC 2 /* Symbol is a code object */ | |
339 | #define STT_SECTION 3 /* Symbol associated with a section */ | |
340 | #define STT_FILE 4 /* Symbol gives a file name */ | |
0fc731e4 | 341 | #define STT_COMMON 5 /* An uninitialised common block */ |
252b5132 RH |
342 | #define STT_LOOS 10 /* OS-specific semantics */ |
343 | #define STT_HIOS 12 /* OS-specific semantics */ | |
344 | #define STT_LOPROC 13 /* Application-specific semantics */ | |
345 | #define STT_HIPROC 15 /* Application-specific semantics */ | |
346 | ||
347 | /* Special section indices, which may show up in st_shndx fields, among | |
348 | other places. */ | |
349 | ||
350 | #define SHN_UNDEF 0 /* Undefined section reference */ | |
351 | #define SHN_LORESERVE 0xFF00 /* Begin range of reserved indices */ | |
352 | #define SHN_LOPROC 0xFF00 /* Begin range of appl-specific */ | |
353 | #define SHN_HIPROC 0xFF1F /* End range of appl-specific */ | |
354 | #define SHN_LOOS 0xFF20 /* OS specific semantics, lo */ | |
355 | #define SHN_HIOS 0xFF3F /* OS specific semantics, hi */ | |
356 | #define SHN_ABS 0xFFF1 /* Associated symbol is absolute */ | |
357 | #define SHN_COMMON 0xFFF2 /* Associated symbol is in common */ | |
358 | #define SHN_HIRESERVE 0xFFFF /* End range of reserved indices */ | |
359 | ||
0fc731e4 NC |
360 | /* The following constants control how a symbol may be accessed once it has |
361 | become part of an executable or shared library. */ | |
362 | ||
363 | #define STV_DEFAULT 0 /* Visibility is specified by binding type */ | |
364 | #define STV_INTERNAL 1 /* OS specific version of STV_HIDDEN */ | |
365 | #define STV_HIDDEN 2 /* Can only be seen inside currect component */ | |
366 | #define STV_PROTECTED 3 /* Treat as STB_LOCAL inside current component */ | |
367 | ||
368 | ||
252b5132 RH |
369 | /* relocation info handling macros */ |
370 | ||
371 | #define ELF32_R_SYM(i) ((i) >> 8) | |
372 | #define ELF32_R_TYPE(i) ((i) & 0xff) | |
373 | #define ELF32_R_INFO(s,t) (((s) << 8) + ((t) & 0xff)) | |
374 | ||
375 | #define ELF64_R_SYM(i) ((i) >> 32) | |
376 | #define ELF64_R_TYPE(i) ((i) & 0xffffffff) | |
377 | #define ELF64_R_INFO(s,t) (((bfd_vma) (s) << 32) + (bfd_vma) (t)) | |
378 | ||
379 | /* Dynamic section tags */ | |
380 | ||
381 | #define DT_NULL 0 | |
382 | #define DT_NEEDED 1 | |
383 | #define DT_PLTRELSZ 2 | |
384 | #define DT_PLTGOT 3 | |
385 | #define DT_HASH 4 | |
386 | #define DT_STRTAB 5 | |
387 | #define DT_SYMTAB 6 | |
388 | #define DT_RELA 7 | |
389 | #define DT_RELASZ 8 | |
390 | #define DT_RELAENT 9 | |
391 | #define DT_STRSZ 10 | |
392 | #define DT_SYMENT 11 | |
393 | #define DT_INIT 12 | |
394 | #define DT_FINI 13 | |
395 | #define DT_SONAME 14 | |
396 | #define DT_RPATH 15 | |
397 | #define DT_SYMBOLIC 16 | |
398 | #define DT_REL 17 | |
399 | #define DT_RELSZ 18 | |
400 | #define DT_RELENT 19 | |
401 | #define DT_PLTREL 20 | |
402 | #define DT_DEBUG 21 | |
403 | #define DT_TEXTREL 22 | |
404 | #define DT_JMPREL 23 | |
405 | #define DT_BIND_NOW 24 | |
406 | #define DT_INIT_ARRAY 25 | |
407 | #define DT_FINI_ARRAY 26 | |
408 | #define DT_INIT_ARRAYSZ 27 | |
409 | #define DT_FINI_ARRAYSZ 28 | |
0fc731e4 NC |
410 | #define DT_RUNPATH 29 |
411 | #define DT_FLAGS 30 | |
2d0e6f43 NC |
412 | |
413 | #define DT_ENCODING 32 | |
414 | #define DT_PREINIT_ARRAY 32 | |
0fc731e4 | 415 | #define DT_PREINIT_ARRAYSZ 33 |
252b5132 | 416 | |
2d0e6f43 NC |
417 | /* Note, the Oct 4, 1999 draft of the ELF ABI changed the values |
418 | for DT_LOOS and DT_HIOS. Some implementations however, use | |
419 | values outside of the new range (see below). */ | |
420 | #define OLD_DT_LOOS 0x60000000 | |
421 | #define DT_LOOS 0x6000000d | |
422 | #define DT_HIOS 0x6fff0000 | |
423 | #define OLD_DT_HIOS 0x6fffffff | |
424 | ||
0fc731e4 NC |
425 | #define DT_LOPROC 0x70000000 |
426 | #define DT_HIPROC 0x7fffffff | |
252b5132 RH |
427 | |
428 | /* The next four dynamic tags are used on Solaris. We support them | |
2d0e6f43 NC |
429 | everywhere. Note these values lie outside of the (new) range for |
430 | OS specific values. This is a deliberate special case and we | |
431 | maintain it for backwards compatability. */ | |
252b5132 RH |
432 | #define DT_VALRNGLO 0x6ffffd00 |
433 | #define DT_PLTPADSZ 0x6ffffdf9 | |
434 | #define DT_MOVEENT 0x6ffffdfa | |
435 | #define DT_MOVESZ 0x6ffffdfb | |
436 | #define DT_FEATURE_1 0x6ffffdfc | |
437 | #define DT_POSFLAG_1 0x6ffffdfd | |
438 | #define DT_SYMINSZ 0x6ffffdfe | |
439 | #define DT_SYMINENT 0x6ffffdff | |
440 | #define DT_VALRNGHI 0x6ffffdff | |
441 | ||
442 | #define DT_ADDRRNGLO 0x6ffffe00 | |
443 | #define DT_SYMINFO 0x6ffffeff | |
444 | #define DT_ADDRRNGHI 0x6ffffeff | |
445 | ||
446 | #define DT_RELACOUNT 0x6ffffff9 | |
447 | #define DT_RELCOUNT 0x6ffffffa | |
448 | #define DT_FLAGS_1 0x6ffffffb | |
449 | #define DT_VERDEF 0x6ffffffc | |
450 | #define DT_VERDEFNUM 0x6ffffffd | |
451 | #define DT_VERNEED 0x6ffffffe | |
452 | #define DT_VERNEEDNUM 0x6fffffff | |
453 | ||
454 | /* This tag is a GNU extension to the Solaris version scheme. */ | |
455 | #define DT_VERSYM 0x6ffffff0 | |
456 | ||
457 | #define DT_LOPROC 0x70000000 | |
458 | #define DT_HIPROC 0x7fffffff | |
459 | ||
460 | /* These section tags are used on Solaris. We support them | |
461 | everywhere, and hope they do not conflict. */ | |
462 | ||
463 | #define DT_AUXILIARY 0x7ffffffd | |
464 | #define DT_USED 0x7ffffffe | |
465 | #define DT_FILTER 0x7fffffff | |
466 | ||
467 | /* Values used in DT_FEATURE_1 .dynamic entry. */ | |
468 | #define DTF_1_PARINIT 0x00000001 | |
469 | ||
470 | /* Flag values used in the DT_POSFLAG_1 .dynamic entry. */ | |
471 | #define DF_P1_LAZYLOAD 0x00000001 | |
472 | #define DF_P1_GROUPPERM 0x00000002 | |
473 | ||
474 | /* Flag value in in the DT_1_FLAGS .dynamic entry. */ | |
475 | #define DF_1_NOW 0x00000001 | |
476 | #define DF_1_GLOBAL 0x00000002 | |
477 | #define DF_1_GROUP 0x00000004 | |
478 | #define DF_1_NODELETE 0x00000008 | |
479 | #define DF_1_LOADFLTR 0x00000010 | |
480 | #define DF_1_INITFIRST 0x00000020 | |
481 | #define DF_1_NOOPEN 0x00000040 | |
482 | #define DF_1_ORIGIN 0x00000080 | |
483 | #define DF_1_DIRECT 0x00000100 | |
484 | #define DF_1_TRANS 0x00000200 | |
485 | #define DF_1_INTERPOSE 0x00000400 | |
486 | ||
0fc731e4 NC |
487 | /* Flag values for the DT_FLAGS entry. */ |
488 | #define DF_ORIGIN (1 << 0) | |
489 | #define DF_SYMBOLIC (1 << 1) | |
490 | #define DF_TEXTREL (1 << 2) | |
491 | #define DF_BIND_NOW (1 << 3) | |
492 | ||
252b5132 RH |
493 | /* These constants are used for the version number of a Elf32_Verdef |
494 | structure. */ | |
495 | ||
496 | #define VER_DEF_NONE 0 | |
497 | #define VER_DEF_CURRENT 1 | |
498 | ||
499 | /* These constants appear in the vd_flags field of a Elf32_Verdef | |
500 | structure. */ | |
501 | ||
502 | #define VER_FLG_BASE 0x1 | |
503 | #define VER_FLG_WEAK 0x2 | |
504 | ||
505 | /* These special constants can be found in an Elf32_Versym field. */ | |
506 | ||
507 | #define VER_NDX_LOCAL 0 | |
508 | #define VER_NDX_GLOBAL 1 | |
509 | ||
510 | /* These constants are used for the version number of a Elf32_Verneed | |
511 | structure. */ | |
512 | ||
513 | #define VER_NEED_NONE 0 | |
514 | #define VER_NEED_CURRENT 1 | |
515 | ||
516 | /* This flag appears in a Versym structure. It means that the symbol | |
517 | is hidden, and is only visible with an explicit version number. | |
518 | This is a GNU extension. */ | |
519 | ||
520 | #define VERSYM_HIDDEN 0x8000 | |
521 | ||
522 | /* This is the mask for the rest of the Versym information. */ | |
523 | ||
524 | #define VERSYM_VERSION 0x7fff | |
525 | ||
526 | /* This is a special token which appears as part of a symbol name. It | |
527 | indictes that the rest of the name is actually the name of a | |
528 | version node, and is not part of the actual name. This is a GNU | |
529 | extension. For example, the symbol name `stat@ver2' is taken to | |
530 | mean the symbol `stat' in version `ver2'. */ | |
531 | ||
532 | #define ELF_VER_CHR '@' | |
533 | ||
534 | /* Possible values for si_boundto. */ | |
535 | #define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */ | |
536 | #define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */ | |
537 | #define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */ | |
538 | ||
539 | /* Possible bitmasks for si_flags. */ | |
540 | #define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */ | |
541 | #define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */ | |
542 | #define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */ | |
543 | #define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy | |
544 | loaded */ | |
545 | /* Syminfo version values. */ | |
546 | #define SYMINFO_NONE 0 | |
547 | #define SYMINFO_CURRENT 1 | |
548 | #define SYMINFO_NUM 2 | |
549 | ||
550 | #endif /* _ELF_COMMON_H */ |