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bae7f79e ILT |
1 | // elfcpp.h -- main header file for elfcpp -*- C++ -*- |
2 | ||
3 | // This is the external interface for elfcpp. | |
4 | ||
5 | #ifndef ELFCPP_H | |
6 | #define ELFCPP_H | |
7 | ||
8 | #include "elfcpp_config.h" | |
8d9455b4 | 9 | #include "elfcpp_swap.h" |
bae7f79e ILT |
10 | |
11 | #include <stdint.h> | |
12 | ||
13 | namespace elfcpp | |
14 | { | |
15 | ||
16 | // Basic ELF types. | |
17 | ||
18 | // These types are always the same size. | |
19 | ||
20 | typedef uint16_t Elf_Half; | |
21 | typedef uint32_t Elf_Word; | |
22 | typedef int32_t Elf_Sword; | |
23 | typedef uint64_t Elf_Xword; | |
24 | typedef int64_t Elf_Sxword; | |
25 | ||
26 | // These types vary in size depending on the ELF file class. The | |
27 | // template parameter should be 32 or 64. | |
28 | ||
29 | template<int size> | |
39081c14 | 30 | struct Elf_types; |
bae7f79e ILT |
31 | |
32 | template<> | |
33 | struct Elf_types<32> | |
34 | { | |
35 | typedef uint32_t Elf_Addr; | |
36 | typedef uint32_t Elf_Off; | |
37 | typedef uint32_t Elf_WXword; | |
61ba1cf9 | 38 | typedef int32_t Elf_Swxword; |
bae7f79e ILT |
39 | }; |
40 | ||
41 | template<> | |
42 | struct Elf_types<64> | |
43 | { | |
44 | typedef uint64_t Elf_Addr; | |
45 | typedef uint64_t Elf_Off; | |
46 | typedef uint64_t Elf_WXword; | |
61ba1cf9 | 47 | typedef int64_t Elf_Swxword; |
bae7f79e ILT |
48 | }; |
49 | ||
50 | // Offsets within the Ehdr e_ident field. | |
51 | ||
52 | const int EI_MAG0 = 0; | |
53 | const int EI_MAG1 = 1; | |
54 | const int EI_MAG2 = 2; | |
55 | const int EI_MAG3 = 3; | |
56 | const int EI_CLASS = 4; | |
57 | const int EI_DATA = 5; | |
58 | const int EI_VERSION = 6; | |
59 | const int EI_OSABI = 7; | |
60 | const int EI_ABIVERSION = 8; | |
61 | const int EI_PAD = 9; | |
62 | const int EI_NIDENT = 16; | |
63 | ||
64 | // The valid values found in Ehdr e_ident[EI_MAG0 through EI_MAG3]. | |
65 | ||
66 | const int ELFMAG0 = 0x7f; | |
67 | const int ELFMAG1 = 'E'; | |
68 | const int ELFMAG2 = 'L'; | |
69 | const int ELFMAG3 = 'F'; | |
70 | ||
71 | // The valid values found in Ehdr e_ident[EI_CLASS]. | |
72 | ||
73 | enum | |
74 | { | |
75 | ELFCLASSNONE = 0, | |
76 | ELFCLASS32 = 1, | |
77 | ELFCLASS64 = 2 | |
78 | }; | |
79 | ||
80 | // The valid values found in Ehdr e_ident[EI_DATA]. | |
81 | ||
82 | enum | |
83 | { | |
84 | ELFDATANONE = 0, | |
85 | ELFDATA2LSB = 1, | |
86 | ELFDATA2MSB = 2 | |
87 | }; | |
88 | ||
89 | // The valid values found in Ehdr e_ident[EI_VERSION] and e_version. | |
90 | ||
91 | enum | |
92 | { | |
93 | EV_NONE = 0, | |
94 | EV_CURRENT = 1 | |
95 | }; | |
96 | ||
97 | // The valid values found in Ehdr e_ident[EI_OSABI]. | |
98 | ||
99 | enum ELFOSABI | |
100 | { | |
101 | ELFOSABI_NONE = 0, | |
102 | ELFOSABI_HPUX = 1, | |
103 | ELFOSABI_NETBSD = 2, | |
104 | // ELFOSABI_LINUX is not listed in the ELF standard. | |
105 | ELFOSABI_LINUX = 3, | |
106 | // ELFOSABI_HURD is not listed in the ELF standard. | |
107 | ELFOSABI_HURD = 4, | |
108 | ELFOSABI_SOLARIS = 6, | |
109 | ELFOSABI_AIX = 7, | |
110 | ELFOSABI_IRIX = 8, | |
111 | ELFOSABI_FREEBSD = 9, | |
112 | ELFOSABI_TRU64 = 10, | |
113 | ELFOSABI_MODESTO = 11, | |
114 | ELFOSABI_OPENBSD = 12, | |
115 | ELFOSABI_OPENVMS = 13, | |
116 | ELFOSABI_NSK = 14, | |
117 | ELFOSABI_AROS = 15, | |
118 | // A GNU extension for the ARM. | |
119 | ELFOSABI_ARM = 97, | |
120 | // A GNU extension for the MSP. | |
121 | ELFOSABI_STANDALONE = 255 | |
122 | }; | |
123 | ||
124 | // The valid values found in the Ehdr e_type field. | |
125 | ||
126 | enum ET | |
127 | { | |
128 | ET_NONE = 0, | |
129 | ET_REL = 1, | |
130 | ET_EXEC = 2, | |
131 | ET_DYN = 3, | |
132 | ET_CORE = 4, | |
133 | ET_LOOS = 0xfe00, | |
134 | ET_HIOS = 0xfeff, | |
135 | ET_LOPROC = 0xff00, | |
136 | ET_HIPROC = 0xffff | |
137 | }; | |
138 | ||
139 | // The valid values found in the Ehdr e_machine field. | |
140 | ||
141 | enum EM | |
142 | { | |
143 | EM_NONE = 0, | |
144 | EM_M32 = 1, | |
145 | EM_SPARC = 2, | |
146 | EM_386 = 3, | |
147 | EM_68K = 4, | |
148 | EM_88K = 5, | |
149 | // 6 used to be EM_486 | |
150 | EM_860 = 7, | |
151 | EM_MIPS = 8, | |
152 | EM_S370 = 9, | |
153 | EM_MIPS_RS3_LE = 10, | |
154 | // 11 was the old Sparc V9 ABI. | |
155 | // 12 through 14 are reserved. | |
156 | EM_PARISC = 15, | |
157 | // 16 is reserved. | |
158 | // Some old PowerPC object files use 17. | |
159 | EM_VPP500 = 17, | |
160 | EM_SPARC32PLUS = 18, | |
161 | EM_960 = 19, | |
162 | EM_PPC = 20, | |
163 | EM_PPC64 = 21, | |
164 | EM_S390 = 22, | |
165 | // 23 through 35 are served. | |
166 | EM_V800 = 36, | |
167 | EM_FR20 = 37, | |
168 | EM_RH32 = 38, | |
169 | EM_RCE = 39, | |
170 | EM_ARM = 40, | |
171 | EM_ALPHA = 41, | |
172 | EM_SH = 42, | |
173 | EM_SPARCV9 = 43, | |
174 | EM_TRICORE = 44, | |
175 | EM_ARC = 45, | |
176 | EM_H8_300 = 46, | |
177 | EM_H8_300H = 47, | |
178 | EM_H8S = 48, | |
179 | EM_H8_500 = 49, | |
180 | EM_IA_64 = 50, | |
181 | EM_MIPS_X = 51, | |
182 | EM_COLDFIRE = 52, | |
183 | EM_68HC12 = 53, | |
184 | EM_MMA = 54, | |
185 | EM_PCP = 55, | |
186 | EM_NCPU = 56, | |
187 | EM_NDR1 = 57, | |
188 | EM_STARCORE = 58, | |
189 | EM_ME16 = 59, | |
190 | EM_ST100 = 60, | |
191 | EM_TINYJ = 61, | |
192 | EM_X86_64 = 62, | |
193 | EM_PDSP = 63, | |
194 | EM_PDP10 = 64, | |
195 | EM_PDP11 = 65, | |
196 | EM_FX66 = 66, | |
197 | EM_ST9PLUS = 67, | |
198 | EM_ST7 = 68, | |
199 | EM_68HC16 = 69, | |
200 | EM_68HC11 = 70, | |
201 | EM_68HC08 = 71, | |
202 | EM_68HC05 = 72, | |
203 | EM_SVX = 73, | |
204 | EM_ST19 = 74, | |
205 | EM_VAX = 75, | |
206 | EM_CRIS = 76, | |
207 | EM_JAVELIN = 77, | |
208 | EM_FIREPATH = 78, | |
209 | EM_ZSP = 79, | |
210 | EM_MMIX = 80, | |
211 | EM_HUANY = 81, | |
212 | EM_PRISM = 82, | |
213 | EM_AVR = 83, | |
214 | EM_FR30 = 84, | |
215 | EM_D10V = 85, | |
216 | EM_D30V = 86, | |
217 | EM_V850 = 87, | |
218 | EM_M32R = 88, | |
219 | EM_MN10300 = 89, | |
220 | EM_MN10200 = 90, | |
221 | EM_PJ = 91, | |
222 | EM_OPENRISC = 92, | |
223 | EM_ARC_A5 = 93, | |
224 | EM_XTENSA = 94, | |
225 | EM_VIDEOCORE = 95, | |
226 | EM_TMM_GPP = 96, | |
227 | EM_NS32K = 97, | |
228 | EM_TPC = 98, | |
229 | // Some old picoJava object files use 99 (EM_PJ is correct). | |
230 | EM_SNP1K = 99, | |
231 | EM_ST200 = 100, | |
232 | EM_IP2K = 101, | |
233 | EM_MAX = 102, | |
234 | EM_CR = 103, | |
235 | EM_F2MC16 = 104, | |
236 | EM_MSP430 = 105, | |
237 | EM_BLACKFIN = 106, | |
238 | EM_SE_C33 = 107, | |
239 | EM_SEP = 108, | |
240 | EM_ARCA = 109, | |
241 | EM_UNICORE = 110, | |
242 | EM_ALTERA_NIOS2 = 113, | |
243 | EM_CRX = 114, | |
244 | // The Morph MT. | |
245 | EM_MT = 0x2530, | |
246 | // DLX. | |
247 | EM_DLX = 0x5aa5, | |
248 | // FRV. | |
249 | EM_FRV = 0x5441, | |
250 | // Infineon Technologies 16-bit microcontroller with C166-V2 core. | |
251 | EM_X16X = 0x4688, | |
252 | // Xstorym16 | |
253 | EM_XSTORMY16 = 0xad45, | |
254 | // Renesas M32C | |
255 | EM_M32C = 0xfeb0, | |
256 | // Vitesse IQ2000 | |
257 | EM_IQ2000 = 0xfeba, | |
258 | // NIOS | |
259 | EM_NIOS32 = 0xfebb | |
260 | // Old AVR objects used 0x1057 (EM_AVR is correct). | |
261 | // Old MSP430 objects used 0x1059 (EM_MSP430 is correct). | |
262 | // Old FR30 objects used 0x3330 (EM_FR30 is correct). | |
263 | // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OPENRISC is correct). | |
264 | // Old D10V objects used 0x7650 (EM_D10V is correct). | |
265 | // Old D30V objects used 0x7676 (EM_D30V is correct). | |
266 | // Old IP2X objects used 0x8217 (EM_IP2K is correct). | |
267 | // Old PowerPC objects used 0x9025 (EM_PPC is correct). | |
268 | // Old Alpha objects used 0x9026 (EM_ALPHA is correct). | |
269 | // Old M32R objects used 0x9041 (EM_M32R is correct). | |
270 | // Old V850 objects used 0x9080 (EM_V850 is correct). | |
271 | // Old S/390 objects used 0xa390 (EM_S390 is correct). | |
272 | // Old Xtensa objects used 0xabc7 (EM_XTENSA is correct). | |
273 | // Old MN10300 objects used 0xbeef (EM_MN10300 is correct). | |
274 | // Old MN10200 objects used 0xdead (EM_MN10200 is correct). | |
275 | }; | |
276 | ||
277 | // Special section indices. | |
278 | ||
279 | enum | |
280 | { | |
281 | SHN_UNDEF = 0, | |
282 | SHN_LORESERVE = 0xff00, | |
283 | SHN_LOPROC = 0xff00, | |
284 | SHN_HIPROC = 0xff1f, | |
285 | SHN_LOOS = 0xff20, | |
286 | SHN_HIOS = 0xff3f, | |
287 | SHN_ABS = 0xfff1, | |
288 | SHN_COMMON = 0xfff2, | |
289 | SHN_XINDEX = 0xffff, | |
290 | SHN_HIRESERVE = 0xffff | |
291 | }; | |
292 | ||
293 | // The valid values found in the Shdr sh_type field. | |
294 | ||
39081c14 | 295 | enum SHT |
bae7f79e ILT |
296 | { |
297 | SHT_NULL = 0, | |
298 | SHT_PROGBITS = 1, | |
299 | SHT_SYMTAB = 2, | |
300 | SHT_STRTAB = 3, | |
301 | SHT_RELA = 4, | |
302 | SHT_HASH = 5, | |
303 | SHT_DYNAMIC = 6, | |
304 | SHT_NOTE = 7, | |
305 | SHT_NOBITS = 8, | |
306 | SHT_REL = 9, | |
307 | SHT_SHLIB = 10, | |
308 | SHT_DYNSYM = 11, | |
309 | SHT_INIT_ARRAY = 14, | |
310 | SHT_FINI_ARRAY = 15, | |
311 | SHT_PREINIT_ARRAY = 16, | |
312 | SHT_GROUP = 17, | |
313 | SHT_SYMTAB_SHNDX = 18, | |
314 | SHT_LOOS = 0x60000000, | |
315 | SHT_HIOS = 0x6fffffff, | |
316 | SHT_LOPROC = 0x70000000, | |
317 | SHT_HIPROC = 0x7fffffff, | |
318 | SHT_LOUSER = 0x80000000, | |
319 | SHT_HIUSER = 0xffffffff, | |
320 | // The remaining values are not in the standard. | |
321 | // List of prelink dependencies. | |
322 | SHT_GNU_LIBLIST = 0x6ffffff7, | |
323 | // Versions defined by file. | |
324 | SHT_SUNW_verdef = 0x6ffffffd, | |
325 | SHT_GNU_verdef = 0x6ffffffd, | |
326 | // Versions needed by file. | |
327 | SHT_SUNW_verneed = 0x6ffffffe, | |
328 | SHT_GNU_verneed = 0x6ffffffe, | |
329 | // Symbol versions, | |
330 | SHT_SUNW_versym = 0x6fffffff, | |
331 | SHT_GNU_versym = 0x6fffffff, | |
332 | }; | |
333 | ||
334 | // The valid bit flags found in the Shdr sh_flags field. | |
335 | ||
39081c14 | 336 | enum SHF |
bae7f79e ILT |
337 | { |
338 | SHF_WRITE = 0x1, | |
339 | SHF_ALLOC = 0x2, | |
340 | SHF_EXECINSTR = 0x4, | |
341 | SHF_MERGE = 0x10, | |
342 | SHF_STRINGS = 0x20, | |
343 | SHF_INFO_LINK = 0x40, | |
344 | SHF_LINK_ORDER = 0x80, | |
345 | SHF_OS_NONCONFORMING = 0x100, | |
346 | SHF_GROUP = 0x200, | |
347 | SHF_TLS = 0x400, | |
348 | SHF_MASKOS = 0x0ff00000, | |
349 | SHF_MASKPROC = 0xf0000000 | |
350 | }; | |
351 | ||
352 | // Bit flags which appear in the first 32-bit word of the section data | |
353 | // of a SHT_GROUP section. | |
354 | ||
355 | enum | |
356 | { | |
357 | GRP_COMDAT = 0x1, | |
358 | GRP_MASKOS = 0x0ff00000, | |
359 | GRP_MASKPROC = 0xf0000000 | |
360 | }; | |
361 | ||
39081c14 ILT |
362 | // The valid values found in the Phdr p_type field. |
363 | ||
364 | enum PT | |
365 | { | |
366 | PT_NULL = 0, | |
367 | PT_LOAD = 1, | |
368 | PT_DYNAMIC = 2, | |
369 | PT_INTERP = 3, | |
370 | PT_NOTE = 4, | |
371 | PT_SHLIB = 5, | |
372 | PT_PHDR = 6, | |
373 | PT_TLS = 7, | |
374 | PT_LOOS = 0x60000000, | |
375 | PT_HIOS = 0x6fffffff, | |
376 | PT_LOPROC = 0x70000000, | |
377 | PT_HIPROC = 0x7fffffff, | |
378 | // The remaining values are not in the standard. | |
379 | // Frame unwind information. | |
380 | PT_GNU_EH_FRAME = 0x6474e550, | |
381 | PT_SUNW_EH_FRAME = 0x6474e550, | |
382 | // Stack flags. | |
383 | PT_GNU_STACK = 0x6474e551, | |
384 | // Read only after relocation. | |
385 | PT_GNU_RELRO = 0x6474e552 | |
386 | }; | |
387 | ||
388 | // The valid bit flags found in the Phdr p_flags field. | |
389 | ||
390 | enum PF | |
391 | { | |
392 | PF_X = 0x1, | |
393 | PF_W = 0x2, | |
394 | PF_R = 0x4, | |
395 | PF_MASKOS = 0x0ff00000, | |
396 | PF_MASKPROC = 0xf0000000 | |
397 | }; | |
398 | ||
bae7f79e ILT |
399 | // Symbol binding from Sym st_info field. |
400 | ||
401 | enum STB | |
402 | { | |
403 | STB_LOCAL = 0, | |
404 | STB_GLOBAL = 1, | |
405 | STB_WEAK = 2, | |
406 | STB_LOOS = 10, | |
407 | STB_HIOS = 12, | |
408 | STB_LOPROC = 13, | |
409 | STB_HIPROC = 15 | |
410 | }; | |
411 | ||
412 | // Symbol types from Sym st_info field. | |
413 | ||
414 | enum STT | |
415 | { | |
416 | STT_NOTYPE = 0, | |
417 | STT_OBJECT = 1, | |
418 | STT_FUNC = 2, | |
419 | STT_SECTION = 3, | |
420 | STT_FILE = 4, | |
421 | STT_COMMON = 5, | |
422 | STT_TLS = 6, | |
423 | STT_LOOS = 10, | |
424 | STT_HIOS = 12, | |
425 | STT_LOPROC = 13, | |
426 | STT_HIPROC = 15 | |
427 | }; | |
428 | ||
14bfc3f5 ILT |
429 | inline STB |
430 | elf_st_bind(unsigned char info) | |
431 | { | |
432 | return static_cast<STB>(info >> 4); | |
433 | } | |
434 | ||
435 | inline STT | |
436 | elf_st_type(unsigned char info) | |
437 | { | |
438 | return static_cast<STT>(info & 0xf); | |
439 | } | |
440 | ||
441 | inline unsigned char | |
442 | elf_st_info(STB bind, STT type) | |
443 | { | |
444 | return ((static_cast<unsigned char>(bind) << 4) | |
445 | + (static_cast<unsigned char>(type) & 0xf)); | |
446 | } | |
447 | ||
bae7f79e ILT |
448 | // Symbol visibility from Sym st_other field. |
449 | ||
450 | enum STV | |
451 | { | |
452 | STV_DEFAULT = 0, | |
453 | STV_INTERNAL = 1, | |
454 | STV_HIDDEN = 2, | |
455 | STV_PROTECTED = 3 | |
456 | }; | |
457 | ||
14bfc3f5 ILT |
458 | inline STV |
459 | elf_st_visibility(unsigned char other) | |
460 | { | |
461 | return static_cast<STV>(other & 0x3); | |
462 | } | |
463 | ||
464 | inline unsigned char | |
465 | elf_st_nonvis(unsigned char other) | |
466 | { | |
467 | return static_cast<STV>(other >> 2); | |
468 | } | |
469 | ||
1564db8d ILT |
470 | inline unsigned char |
471 | elf_st_other(STV vis, unsigned char nonvis) | |
472 | { | |
473 | return ((nonvis << 2) | |
474 | + (static_cast<unsigned char>(vis) & 3)); | |
475 | } | |
476 | ||
61ba1cf9 ILT |
477 | // Reloc information from Rel/Rela r_info field. |
478 | ||
479 | template<int size> | |
480 | unsigned int | |
481 | elf_r_sym(typename Elf_types<size>::Elf_WXword); | |
482 | ||
483 | template<> | |
484 | inline unsigned int | |
485 | elf_r_sym<32>(Elf_Word v) | |
486 | { | |
487 | return v >> 8; | |
488 | } | |
489 | ||
490 | template<> | |
491 | inline unsigned int | |
492 | elf_r_sym<64>(Elf_Xword v) | |
493 | { | |
494 | return v >> 32; | |
495 | } | |
496 | ||
497 | template<int size> | |
498 | unsigned int | |
499 | elf_r_type(typename Elf_types<size>::Elf_WXword); | |
500 | ||
501 | template<> | |
502 | inline unsigned int | |
503 | elf_r_type<32>(Elf_Word v) | |
504 | { | |
505 | return v & 0xff; | |
506 | } | |
507 | ||
508 | template<> | |
509 | inline unsigned int | |
510 | elf_r_type<64>(Elf_Xword v) | |
511 | { | |
512 | return v & 0xffffffff; | |
513 | } | |
514 | ||
515 | template<int size> | |
516 | typename Elf_types<size>::Elf_WXword | |
517 | elf_r_info(unsigned int s, unsigned int t); | |
518 | ||
519 | template<> | |
520 | inline Elf_Word | |
521 | elf_r_info<32>(unsigned int s, unsigned int t) | |
522 | { | |
523 | return (s << 8) + (t & 0xff); | |
524 | } | |
525 | ||
526 | template<> | |
527 | inline Elf_Xword | |
528 | elf_r_info<64>(unsigned int s, unsigned int t) | |
529 | { | |
530 | return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff); | |
531 | } | |
532 | ||
dbe717ef ILT |
533 | // Dynamic tags found in the PT_DYNAMIC segment. |
534 | ||
535 | enum DT | |
536 | { | |
537 | DT_NULL = 0, | |
538 | DT_NEEDED = 1, | |
539 | DT_PLTRELSZ = 2, | |
540 | DT_PLTGOT = 3, | |
541 | DT_HASH = 4, | |
542 | DT_STRTAB = 5, | |
543 | DT_SYMTAB = 6, | |
544 | DT_RELA = 7, | |
545 | DT_RELASZ = 8, | |
546 | DT_RELAENT = 9, | |
547 | DT_STRSZ = 10, | |
548 | DT_SYMENT = 11, | |
549 | DT_INIT = 12, | |
550 | DT_FINI = 13, | |
551 | DT_SONAME = 14, | |
552 | DT_RPATH = 15, | |
553 | DT_SYMBOLIC = 16, | |
554 | DT_REL = 17, | |
555 | DT_RELSZ = 18, | |
556 | DT_RELENT = 19, | |
557 | DT_PLTREL = 20, | |
558 | DT_DEBUG = 21, | |
559 | DT_TEXTREL = 22, | |
560 | DT_JMPREL = 23, | |
561 | DT_BIND_NOW = 24, | |
562 | DT_INIT_ARRAY = 25, | |
563 | DT_FINI_ARRAY = 26, | |
564 | DT_INIT_ARRAYSZ = 27, | |
565 | DT_FINI_ARRAYSZ = 28, | |
566 | DT_RUNPATH = 29, | |
567 | DT_FLAGS = 30, | |
568 | DT_ENCODING = 32, | |
569 | DT_PREINIT_ARRAY = 33, | |
570 | DT_PREINIT_ARRAYSZ = 33, | |
571 | DT_LOOS = 0x6000000d, | |
572 | DT_HIOS = 0x6ffff000, | |
573 | DT_LOPROC = 0x70000000, | |
574 | DT_HIPROC = 0x7fffffff, | |
575 | ||
576 | // The remaining values are extensions used by GNU or Solaris. | |
577 | DT_VALRNGLO = 0x6ffffd00, | |
578 | DT_GNU_PRELINKED = 0x6ffffdf5, | |
579 | DT_GNU_CONFLICTSZ = 0x6ffffdf6, | |
580 | DT_GNU_LIBLISTSZ = 0x6ffffdf7, | |
581 | DT_CHECKSUM = 0x6ffffdf8, | |
582 | DT_PLTPADSZ = 0x6ffffdf9, | |
583 | DT_MOVEENT = 0x6ffffdfa, | |
584 | DT_MOVESZ = 0x6ffffdfb, | |
585 | DT_FEATURE = 0x6ffffdfc, | |
586 | DT_POSFLAG_1 = 0x6ffffdfd, | |
587 | DT_SYMINSZ = 0x6ffffdfe, | |
588 | DT_SYMINENT = 0x6ffffdff, | |
589 | DT_VALRNGHI = 0x6ffffdff, | |
590 | ||
591 | DT_ADDRRNGLO = 0x6ffffe00, | |
592 | DT_GNU_HASH = 0x6ffffef5, | |
593 | DT_TLSDESC_PLT = 0x6ffffef6, | |
594 | DT_TLSDESC_GOT = 0x6ffffef7, | |
595 | DT_GNU_CONFLICT = 0x6ffffef8, | |
596 | DT_GNU_LIBLIST = 0x6ffffef9, | |
597 | DT_CONFIG = 0x6ffffefa, | |
598 | DT_DEPAUDIT = 0x6ffffefb, | |
599 | DT_AUDIT = 0x6ffffefc, | |
600 | DT_PLTPAD = 0x6ffffefd, | |
601 | DT_MOVETAB = 0x6ffffefe, | |
602 | DT_SYMINFO = 0x6ffffeff, | |
603 | DT_ADDRRNGHI = 0x6ffffeff, | |
604 | ||
605 | DT_RELACOUNT = 0x6ffffff9, | |
606 | DT_RELCOUNT = 0x6ffffffa, | |
607 | DT_FLAGS_1 = 0x6ffffffb, | |
608 | DT_VERDEF = 0x6ffffffc, | |
609 | DT_VERDEFNUM = 0x6ffffffd, | |
610 | DT_VERNEED = 0x6ffffffe, | |
611 | DT_VERNEEDNUM = 0x6fffffff, | |
612 | ||
613 | DT_VERSYM = 0x6ffffff0, | |
614 | ||
615 | DT_AUXILIARY = 0x7ffffffd, | |
616 | DT_USED = 0x7ffffffe, | |
617 | DT_FILTER = 0x7fffffff | |
618 | }; | |
619 | ||
620 | // Flags found in the DT_FLAGS dynamic element. | |
621 | ||
622 | enum DF | |
623 | { | |
624 | DF_ORIGIN = 0x1, | |
625 | DF_SYMBOLIC = 0x2, | |
626 | DF_TEXTREL = 0x4, | |
627 | DF_BIND_NOW = 0x8, | |
628 | DF_STATIC_TLS = 0x10 | |
629 | }; | |
630 | ||
631 | // Version numbers which appear in the vd_version field of a Verdef | |
632 | // structure. | |
633 | ||
634 | const int VER_DEF_NONE = 0; | |
635 | const int VER_DEF_CURRENT = 1; | |
636 | ||
637 | // Version numbers which appear in the vn_version field of a Verneed | |
638 | // structure. | |
639 | ||
640 | const int VER_NEED_NONE = 0; | |
641 | const int VER_NEED_CURRENT = 1; | |
642 | ||
643 | // Bit flags which appear in vd_flags of Verdef and vna_flags of | |
644 | // Vernaux. | |
645 | ||
646 | const int VER_FLG_BASE = 0x1; | |
647 | const int VER_FLG_WEAK = 0x2; | |
648 | ||
649 | // Special constants found in the SHT_GNU_versym entries. | |
650 | ||
651 | const int VER_NDX_LOCAL = 0; | |
652 | const int VER_NDX_GLOBAL = 1; | |
653 | ||
654 | // A SHT_GNU_versym section holds 16-bit words. This bit is set if | |
655 | // the symbol is hidden and can only be seen when referenced using an | |
656 | // explicit version number. This is a GNU extension. | |
657 | ||
658 | const int VERSYM_HIDDEN = 0x8000; | |
659 | ||
660 | // This is the mask for the rest of the data in a word read from a | |
661 | // SHT_GNU_versym section. | |
662 | ||
663 | const int VERSYM_VERSION = 0x7fff; | |
664 | ||
bae7f79e ILT |
665 | } // End namespace elfcpp. |
666 | ||
667 | // Include internal details after defining the types. | |
668 | #include "elfcpp_internal.h" | |
669 | ||
670 | namespace elfcpp | |
671 | { | |
672 | ||
673 | // The offset of the ELF file header in the ELF file. | |
674 | ||
675 | const int file_header_offset = 0; | |
676 | ||
677 | // ELF structure sizes. | |
678 | ||
679 | template<int size> | |
680 | struct Elf_sizes | |
681 | { | |
682 | // Size of ELF file header. | |
683 | static const int ehdr_size = sizeof(internal::Ehdr_data<size>); | |
61ba1cf9 ILT |
684 | // Size of ELF segment header. |
685 | static const int phdr_size = sizeof(internal::Phdr_data<size>); | |
bae7f79e ILT |
686 | // Size of ELF section header. |
687 | static const int shdr_size = sizeof(internal::Shdr_data<size>); | |
688 | // Size of ELF symbol table entry. | |
689 | static const int sym_size = sizeof(internal::Sym_data<size>); | |
61ba1cf9 ILT |
690 | // Sizes of ELF reloc entries. |
691 | static const int rel_size = sizeof(internal::Rel_data<size>); | |
692 | static const int rela_size = sizeof(internal::Rela_data<size>); | |
dbe717ef ILT |
693 | // Size of ELF dynamic entry. |
694 | static const int dyn_size = sizeof(internal::Dyn_data<size>); | |
14b31740 ILT |
695 | // Size of ELF version structures. |
696 | static const int verdef_size = sizeof(internal::Verdef_data); | |
697 | static const int verdaux_size = sizeof(internal::Verdaux_data); | |
698 | static const int verneed_size = sizeof(internal::Verneed_data); | |
699 | static const int vernaux_size = sizeof(internal::Vernaux_data); | |
bae7f79e ILT |
700 | }; |
701 | ||
702 | // Accessor class for the ELF file header. | |
703 | ||
704 | template<int size, bool big_endian> | |
705 | class Ehdr | |
706 | { | |
707 | public: | |
708 | Ehdr(const unsigned char* p) | |
709 | : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(p)) | |
710 | { } | |
711 | ||
645f8123 ILT |
712 | template<typename File> |
713 | Ehdr(File* file, typename File::Location loc) | |
714 | : p_(reinterpret_cast<const internal::Ehdr_data<size>*>( | |
715 | file->view(loc.file_offset, loc.data_size).data())) | |
716 | { } | |
717 | ||
bae7f79e ILT |
718 | const unsigned char* |
719 | get_e_ident() const | |
720 | { return this->p_->e_ident; } | |
721 | ||
722 | Elf_Half | |
723 | get_e_type() const | |
8d9455b4 | 724 | { return Convert<16, big_endian>::convert_host(this->p_->e_type); } |
bae7f79e ILT |
725 | |
726 | Elf_Half | |
727 | get_e_machine() const | |
8d9455b4 | 728 | { return Convert<16, big_endian>::convert_host(this->p_->e_machine); } |
bae7f79e ILT |
729 | |
730 | Elf_Word | |
731 | get_e_version() const | |
8d9455b4 | 732 | { return Convert<32, big_endian>::convert_host(this->p_->e_version); } |
bae7f79e ILT |
733 | |
734 | typename Elf_types<size>::Elf_Addr | |
735 | get_e_entry() const | |
8d9455b4 | 736 | { return Convert<size, big_endian>::convert_host(this->p_->e_entry); } |
bae7f79e ILT |
737 | |
738 | typename Elf_types<size>::Elf_Off | |
739 | get_e_phoff() const | |
8d9455b4 | 740 | { return Convert<size, big_endian>::convert_host(this->p_->e_phoff); } |
bae7f79e ILT |
741 | |
742 | typename Elf_types<size>::Elf_Off | |
743 | get_e_shoff() const | |
8d9455b4 | 744 | { return Convert<size, big_endian>::convert_host(this->p_->e_shoff); } |
bae7f79e ILT |
745 | |
746 | Elf_Word | |
747 | get_e_flags() const | |
8d9455b4 | 748 | { return Convert<32, big_endian>::convert_host(this->p_->e_flags); } |
bae7f79e ILT |
749 | |
750 | Elf_Half | |
751 | get_e_ehsize() const | |
8d9455b4 | 752 | { return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); } |
bae7f79e ILT |
753 | |
754 | Elf_Half | |
755 | get_e_phentsize() const | |
8d9455b4 | 756 | { return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); } |
bae7f79e ILT |
757 | |
758 | Elf_Half | |
759 | get_e_phnum() const | |
8d9455b4 | 760 | { return Convert<16, big_endian>::convert_host(this->p_->e_phnum); } |
bae7f79e ILT |
761 | |
762 | Elf_Half | |
763 | get_e_shentsize() const | |
8d9455b4 | 764 | { return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); } |
bae7f79e ILT |
765 | |
766 | Elf_Half | |
767 | get_e_shnum() const | |
8d9455b4 | 768 | { return Convert<16, big_endian>::convert_host(this->p_->e_shnum); } |
bae7f79e ILT |
769 | |
770 | Elf_Half | |
771 | get_e_shstrndx() const | |
8d9455b4 | 772 | { return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); } |
bae7f79e ILT |
773 | |
774 | private: | |
775 | const internal::Ehdr_data<size>* p_; | |
776 | }; | |
777 | ||
61ba1cf9 ILT |
778 | // Write class for the ELF file header. |
779 | ||
780 | template<int size, bool big_endian> | |
781 | class Ehdr_write | |
782 | { | |
783 | public: | |
784 | Ehdr_write(unsigned char* p) | |
785 | : p_(reinterpret_cast<internal::Ehdr_data<size>*>(p)) | |
786 | { } | |
787 | ||
788 | void | |
789 | put_e_ident(const unsigned char v[EI_NIDENT]) const | |
790 | { memcpy(this->p_->e_ident, v, EI_NIDENT); } | |
791 | ||
792 | void | |
793 | put_e_type(Elf_Half v) | |
8d9455b4 | 794 | { this->p_->e_type = Convert<16, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
795 | |
796 | void | |
797 | put_e_machine(Elf_Half v) | |
8d9455b4 | 798 | { this->p_->e_machine = Convert<16, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
799 | |
800 | void | |
801 | put_e_version(Elf_Word v) | |
8d9455b4 | 802 | { this->p_->e_version = Convert<32, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
803 | |
804 | void | |
805 | put_e_entry(typename Elf_types<size>::Elf_Addr v) | |
8d9455b4 | 806 | { this->p_->e_entry = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
807 | |
808 | void | |
809 | put_e_phoff(typename Elf_types<size>::Elf_Off v) | |
8d9455b4 | 810 | { this->p_->e_phoff = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
811 | |
812 | void | |
813 | put_e_shoff(typename Elf_types<size>::Elf_Off v) | |
8d9455b4 | 814 | { this->p_->e_shoff = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
815 | |
816 | void | |
817 | put_e_flags(Elf_Word v) | |
8d9455b4 | 818 | { this->p_->e_flags = Convert<32, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
819 | |
820 | void | |
821 | put_e_ehsize(Elf_Half v) | |
8d9455b4 | 822 | { this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
823 | |
824 | void | |
825 | put_e_phentsize(Elf_Half v) | |
8d9455b4 | 826 | { this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
827 | |
828 | void | |
829 | put_e_phnum(Elf_Half v) | |
8d9455b4 | 830 | { this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
831 | |
832 | void | |
833 | put_e_shentsize(Elf_Half v) | |
8d9455b4 | 834 | { this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
835 | |
836 | void | |
837 | put_e_shnum(Elf_Half v) | |
8d9455b4 | 838 | { this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
839 | |
840 | void | |
841 | put_e_shstrndx(Elf_Half v) | |
8d9455b4 | 842 | { this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
843 | |
844 | private: | |
845 | internal::Ehdr_data<size>* p_; | |
846 | }; | |
847 | ||
bae7f79e ILT |
848 | // Accessor class for an ELF section header. |
849 | ||
850 | template<int size, bool big_endian> | |
851 | class Shdr | |
852 | { | |
853 | public: | |
854 | Shdr(const unsigned char* p) | |
855 | : p_(reinterpret_cast<const internal::Shdr_data<size>*>(p)) | |
856 | { } | |
857 | ||
645f8123 ILT |
858 | template<typename File> |
859 | Shdr(File* file, typename File::Location loc) | |
860 | : p_(reinterpret_cast<const internal::Shdr_data<size>*>( | |
861 | file->view(loc.file_offset, loc.data_size).data())) | |
862 | { } | |
863 | ||
bae7f79e ILT |
864 | Elf_Word |
865 | get_sh_name() const | |
8d9455b4 | 866 | { return Convert<32, big_endian>::convert_host(this->p_->sh_name); } |
bae7f79e ILT |
867 | |
868 | Elf_Word | |
869 | get_sh_type() const | |
8d9455b4 | 870 | { return Convert<32, big_endian>::convert_host(this->p_->sh_type); } |
bae7f79e ILT |
871 | |
872 | typename Elf_types<size>::Elf_WXword | |
873 | get_sh_flags() const | |
8d9455b4 | 874 | { return Convert<size, big_endian>::convert_host(this->p_->sh_flags); } |
bae7f79e ILT |
875 | |
876 | typename Elf_types<size>::Elf_Addr | |
877 | get_sh_addr() const | |
8d9455b4 | 878 | { return Convert<size, big_endian>::convert_host(this->p_->sh_addr); } |
bae7f79e ILT |
879 | |
880 | typename Elf_types<size>::Elf_Off | |
881 | get_sh_offset() const | |
8d9455b4 | 882 | { return Convert<size, big_endian>::convert_host(this->p_->sh_offset); } |
bae7f79e ILT |
883 | |
884 | typename Elf_types<size>::Elf_WXword | |
885 | get_sh_size() const | |
8d9455b4 | 886 | { return Convert<size, big_endian>::convert_host(this->p_->sh_size); } |
bae7f79e ILT |
887 | |
888 | Elf_Word | |
889 | get_sh_link() const | |
8d9455b4 | 890 | { return Convert<32, big_endian>::convert_host(this->p_->sh_link); } |
bae7f79e ILT |
891 | |
892 | Elf_Word | |
893 | get_sh_info() const | |
8d9455b4 | 894 | { return Convert<32, big_endian>::convert_host(this->p_->sh_info); } |
bae7f79e ILT |
895 | |
896 | typename Elf_types<size>::Elf_WXword | |
897 | get_sh_addralign() const | |
898 | { return | |
8d9455b4 | 899 | Convert<size, big_endian>::convert_host(this->p_->sh_addralign); } |
bae7f79e ILT |
900 | |
901 | typename Elf_types<size>::Elf_WXword | |
902 | get_sh_entsize() const | |
8d9455b4 | 903 | { return Convert<size, big_endian>::convert_host(this->p_->sh_entsize); } |
bae7f79e ILT |
904 | |
905 | private: | |
906 | const internal::Shdr_data<size>* p_; | |
907 | }; | |
908 | ||
61ba1cf9 ILT |
909 | // Write class for an ELF section header. |
910 | ||
911 | template<int size, bool big_endian> | |
912 | class Shdr_write | |
913 | { | |
914 | public: | |
915 | Shdr_write(unsigned char* p) | |
916 | : p_(reinterpret_cast<internal::Shdr_data<size>*>(p)) | |
917 | { } | |
918 | ||
919 | void | |
920 | put_sh_name(Elf_Word v) | |
8d9455b4 | 921 | { this->p_->sh_name = Convert<32, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
922 | |
923 | void | |
924 | put_sh_type(Elf_Word v) | |
8d9455b4 | 925 | { this->p_->sh_type = Convert<32, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
926 | |
927 | void | |
928 | put_sh_flags(typename Elf_types<size>::Elf_WXword v) | |
8d9455b4 | 929 | { this->p_->sh_flags = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
930 | |
931 | void | |
932 | put_sh_addr(typename Elf_types<size>::Elf_Addr v) | |
8d9455b4 | 933 | { this->p_->sh_addr = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
934 | |
935 | void | |
936 | put_sh_offset(typename Elf_types<size>::Elf_Off v) | |
8d9455b4 | 937 | { this->p_->sh_offset = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
938 | |
939 | void | |
940 | put_sh_size(typename Elf_types<size>::Elf_WXword v) | |
8d9455b4 | 941 | { this->p_->sh_size = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
942 | |
943 | void | |
944 | put_sh_link(Elf_Word v) | |
8d9455b4 | 945 | { this->p_->sh_link = Convert<32, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
946 | |
947 | void | |
948 | put_sh_info(Elf_Word v) | |
8d9455b4 | 949 | { this->p_->sh_info = Convert<32, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
950 | |
951 | void | |
952 | put_sh_addralign(typename Elf_types<size>::Elf_WXword v) | |
8d9455b4 | 953 | { this->p_->sh_addralign = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
954 | |
955 | void | |
956 | put_sh_entsize(typename Elf_types<size>::Elf_WXword v) | |
8d9455b4 | 957 | { this->p_->sh_entsize = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
958 | |
959 | private: | |
960 | internal::Shdr_data<size>* p_; | |
961 | }; | |
962 | ||
39081c14 ILT |
963 | // Accessor class for an ELF segment header. |
964 | ||
965 | template<int size, bool big_endian> | |
966 | class Phdr | |
967 | { | |
968 | public: | |
969 | Phdr(const unsigned char* p) | |
970 | : p_(reinterpret_cast<const internal::Phdr_data<size>*>(p)) | |
971 | { } | |
972 | ||
645f8123 ILT |
973 | template<typename File> |
974 | Phdr(File* file, typename File::Location loc) | |
975 | : p_(reinterpret_cast<internal::Phdr_data<size>*>( | |
976 | file->view(loc.file_offset, loc.data_size).data())) | |
977 | { } | |
978 | ||
39081c14 ILT |
979 | Elf_Word |
980 | get_p_type() const | |
8d9455b4 | 981 | { return Convert<32, big_endian>::convert_host(this->p_->p_type); } |
39081c14 ILT |
982 | |
983 | typename Elf_types<size>::Elf_Off | |
984 | get_p_offset() const | |
8d9455b4 | 985 | { return Convert<size, big_endian>::convert_host(this->p_->p_offset); } |
39081c14 ILT |
986 | |
987 | typename Elf_types<size>::Elf_Addr | |
988 | get_p_vaddr() const | |
8d9455b4 | 989 | { return Convert<size, big_endian>::convert_host(this->p_->p_vaddr); } |
39081c14 ILT |
990 | |
991 | typename Elf_types<size>::Elf_Addr | |
992 | get_p_paddr() const | |
8d9455b4 | 993 | { return Convert<size, big_endian>::convert_host(this->p_->p_paddr); } |
39081c14 ILT |
994 | |
995 | typename Elf_types<size>::Elf_WXword | |
996 | get_p_filesz() const | |
8d9455b4 | 997 | { return Convert<size, big_endian>::convert_host(this->p_->p_filesz); } |
39081c14 ILT |
998 | |
999 | typename Elf_types<size>::Elf_WXword | |
1000 | get_p_memsz() const | |
8d9455b4 | 1001 | { return Convert<size, big_endian>::convert_host(this->p_->p_memsz); } |
39081c14 ILT |
1002 | |
1003 | Elf_Word | |
1004 | get_p_flags() const | |
8d9455b4 | 1005 | { return Convert<32, big_endian>::convert_host(this->p_->p_flags); } |
39081c14 ILT |
1006 | |
1007 | typename Elf_types<size>::Elf_WXword | |
1008 | get_p_align() const | |
8d9455b4 | 1009 | { return Convert<size, big_endian>::convert_host(this->p_->p_align); } |
39081c14 ILT |
1010 | |
1011 | private: | |
1012 | const internal::Phdr_data<size>* p_; | |
1013 | }; | |
1014 | ||
61ba1cf9 ILT |
1015 | // Write class for an ELF segment header. |
1016 | ||
1017 | template<int size, bool big_endian> | |
1018 | class Phdr_write | |
1019 | { | |
1020 | public: | |
1021 | Phdr_write(unsigned char* p) | |
1022 | : p_(reinterpret_cast<internal::Phdr_data<size>*>(p)) | |
1023 | { } | |
1024 | ||
1025 | void | |
1026 | put_p_type(Elf_Word v) | |
8d9455b4 | 1027 | { this->p_->p_type = Convert<32, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
1028 | |
1029 | void | |
1030 | put_p_offset(typename Elf_types<size>::Elf_Off v) | |
8d9455b4 | 1031 | { this->p_->p_offset = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
1032 | |
1033 | void | |
1034 | put_p_vaddr(typename Elf_types<size>::Elf_Addr v) | |
8d9455b4 | 1035 | { this->p_->p_vaddr = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
1036 | |
1037 | void | |
1038 | put_p_paddr(typename Elf_types<size>::Elf_Addr v) | |
8d9455b4 | 1039 | { this->p_->p_paddr = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
1040 | |
1041 | void | |
1042 | put_p_filesz(typename Elf_types<size>::Elf_WXword v) | |
8d9455b4 | 1043 | { this->p_->p_filesz = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
1044 | |
1045 | void | |
1046 | put_p_memsz(typename Elf_types<size>::Elf_WXword v) | |
8d9455b4 | 1047 | { this->p_->p_memsz = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
1048 | |
1049 | void | |
1050 | put_p_flags(Elf_Word v) | |
8d9455b4 | 1051 | { this->p_->p_flags = Convert<32, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
1052 | |
1053 | void | |
1054 | put_p_align(typename Elf_types<size>::Elf_WXword v) | |
8d9455b4 | 1055 | { this->p_->p_align = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
1056 | |
1057 | private: | |
1058 | internal::Phdr_data<size>* p_; | |
1059 | }; | |
1060 | ||
bae7f79e ILT |
1061 | // Accessor class for an ELF symbol table entry. |
1062 | ||
1063 | template<int size, bool big_endian> | |
1064 | class Sym | |
1065 | { | |
1066 | public: | |
1067 | Sym(const unsigned char* p) | |
1068 | : p_(reinterpret_cast<const internal::Sym_data<size>*>(p)) | |
1069 | { } | |
1070 | ||
645f8123 ILT |
1071 | template<typename File> |
1072 | Sym(File* file, typename File::Location loc) | |
1073 | : p_(reinterpret_cast<const internal::Sym_data<size>*>( | |
1074 | file->view(loc.file_offset, loc.data_size).data())) | |
1075 | { } | |
1076 | ||
bae7f79e ILT |
1077 | Elf_Word |
1078 | get_st_name() const | |
8d9455b4 | 1079 | { return Convert<32, big_endian>::convert_host(this->p_->st_name); } |
bae7f79e ILT |
1080 | |
1081 | typename Elf_types<size>::Elf_Addr | |
1082 | get_st_value() const | |
8d9455b4 | 1083 | { return Convert<size, big_endian>::convert_host(this->p_->st_value); } |
bae7f79e ILT |
1084 | |
1085 | typename Elf_types<size>::Elf_WXword | |
1086 | get_st_size() const | |
8d9455b4 | 1087 | { return Convert<size, big_endian>::convert_host(this->p_->st_size); } |
bae7f79e ILT |
1088 | |
1089 | unsigned char | |
1090 | get_st_info() const | |
1091 | { return this->p_->st_info; } | |
1092 | ||
14bfc3f5 ILT |
1093 | STB |
1094 | get_st_bind() const | |
1095 | { return elf_st_bind(this->get_st_info()); } | |
1096 | ||
1097 | STT | |
1098 | get_st_type() const | |
1099 | { return elf_st_type(this->get_st_info()); } | |
1100 | ||
bae7f79e ILT |
1101 | unsigned char |
1102 | get_st_other() const | |
1103 | { return this->p_->st_other; } | |
1104 | ||
14bfc3f5 ILT |
1105 | STV |
1106 | get_st_visibility() const | |
1107 | { return elf_st_visibility(this->get_st_other()); } | |
1108 | ||
1109 | unsigned char | |
1110 | get_st_nonvis() const | |
1111 | { return elf_st_nonvis(this->get_st_other()); } | |
1112 | ||
bae7f79e ILT |
1113 | Elf_Half |
1114 | get_st_shndx() const | |
8d9455b4 | 1115 | { return Convert<16, big_endian>::convert_host(this->p_->st_shndx); } |
bae7f79e ILT |
1116 | |
1117 | private: | |
1118 | const internal::Sym_data<size>* p_; | |
1119 | }; | |
1120 | ||
1564db8d ILT |
1121 | // Writer class for an ELF symbol table entry. |
1122 | ||
1123 | template<int size, bool big_endian> | |
1124 | class Sym_write | |
1125 | { | |
1126 | public: | |
1127 | Sym_write(unsigned char* p) | |
1128 | : p_(reinterpret_cast<internal::Sym_data<size>*>(p)) | |
1129 | { } | |
1130 | ||
1131 | void | |
1132 | put_st_name(Elf_Word v) | |
8d9455b4 | 1133 | { this->p_->st_name = Convert<32, big_endian>::convert_host(v); } |
1564db8d ILT |
1134 | |
1135 | void | |
1136 | put_st_value(typename Elf_types<size>::Elf_Addr v) | |
8d9455b4 | 1137 | { this->p_->st_value = Convert<size, big_endian>::convert_host(v); } |
1564db8d ILT |
1138 | |
1139 | void | |
1140 | put_st_size(typename Elf_types<size>::Elf_WXword v) | |
8d9455b4 | 1141 | { this->p_->st_size = Convert<size, big_endian>::convert_host(v); } |
1564db8d ILT |
1142 | |
1143 | void | |
1144 | put_st_info(unsigned char v) | |
1145 | { this->p_->st_info = v; } | |
1146 | ||
1147 | void | |
1148 | put_st_info(STB bind, STT type) | |
1149 | { this->p_->st_info = elf_st_info(bind, type); } | |
1150 | ||
1151 | void | |
1152 | put_st_other(unsigned char v) | |
1153 | { this->p_->st_other = v; } | |
1154 | ||
1155 | void | |
1156 | put_st_other(STV vis, unsigned char nonvis) | |
1157 | { this->p_->st_other = elf_st_other(vis, nonvis); } | |
1158 | ||
1159 | void | |
1160 | put_st_shndx(Elf_Half v) | |
8d9455b4 | 1161 | { this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); } |
1564db8d ILT |
1162 | |
1163 | Sym<size, big_endian> | |
1164 | sym() | |
1165 | { return Sym<size, big_endian>(reinterpret_cast<unsigned char*>(this->p_)); } | |
1166 | ||
1167 | private: | |
1168 | internal::Sym_data<size>* p_; | |
1169 | }; | |
1170 | ||
c06b7b0b | 1171 | // Accessor classes for an ELF REL relocation entry. |
61ba1cf9 ILT |
1172 | |
1173 | template<int size, bool big_endian> | |
1174 | class Rel | |
1175 | { | |
1176 | public: | |
1177 | Rel(const unsigned char* p) | |
1178 | : p_(reinterpret_cast<const internal::Rel_data<size>*>(p)) | |
1179 | { } | |
1180 | ||
645f8123 ILT |
1181 | template<typename File> |
1182 | Rel(File* file, typename File::Location loc) | |
1183 | : p_(reinterpret_cast<const internal::Rel_data<size>*>( | |
1184 | file->view(loc.file_offset, loc.data_size).data())) | |
1185 | { } | |
1186 | ||
61ba1cf9 ILT |
1187 | typename Elf_types<size>::Elf_Addr |
1188 | get_r_offset() const | |
8d9455b4 | 1189 | { return Convert<size, big_endian>::convert_host(this->p_->r_offset); } |
61ba1cf9 ILT |
1190 | |
1191 | typename Elf_types<size>::Elf_WXword | |
1192 | get_r_info() const | |
8d9455b4 | 1193 | { return Convert<size, big_endian>::convert_host(this->p_->r_info); } |
61ba1cf9 ILT |
1194 | |
1195 | private: | |
1196 | const internal::Rel_data<size>* p_; | |
1197 | }; | |
1198 | ||
c06b7b0b ILT |
1199 | // Writer class for an ELF Rel relocation. |
1200 | ||
1201 | template<int size, bool big_endian> | |
1202 | class Rel_write | |
1203 | { | |
1204 | public: | |
1205 | Rel_write(unsigned char* p) | |
1206 | : p_(reinterpret_cast<internal::Rel_data<size>*>(p)) | |
1207 | { } | |
1208 | ||
1209 | void | |
1210 | put_r_offset(typename Elf_types<size>::Elf_Addr v) | |
1211 | { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); } | |
1212 | ||
1213 | void | |
1214 | put_r_info(typename Elf_types<size>::Elf_WXword v) | |
1215 | { this->p_->r_info = Convert<size, big_endian>::convert_host(v); } | |
1216 | ||
1217 | private: | |
1218 | internal::Rel_data<size>* p_; | |
1219 | }; | |
1220 | ||
1221 | // Accessor class for an ELF Rela relocation. | |
1222 | ||
61ba1cf9 ILT |
1223 | template<int size, bool big_endian> |
1224 | class Rela | |
1225 | { | |
1226 | public: | |
1227 | Rela(const unsigned char* p) | |
1228 | : p_(reinterpret_cast<const internal::Rela_data<size>*>(p)) | |
1229 | { } | |
1230 | ||
645f8123 ILT |
1231 | template<typename File> |
1232 | Rela(File* file, typename File::Location loc) | |
1233 | : p_(reinterpret_cast<const internal::Rela_data<size>*>( | |
1234 | file->view(loc.file_offset, loc.data_size).data())) | |
1235 | { } | |
1236 | ||
61ba1cf9 ILT |
1237 | typename Elf_types<size>::Elf_Addr |
1238 | get_r_offset() const | |
8d9455b4 | 1239 | { return Convert<size, big_endian>::convert_host(this->p_->r_offset); } |
61ba1cf9 ILT |
1240 | |
1241 | typename Elf_types<size>::Elf_WXword | |
1242 | get_r_info() const | |
8d9455b4 | 1243 | { return Convert<size, big_endian>::convert_host(this->p_->r_info); } |
61ba1cf9 ILT |
1244 | |
1245 | typename Elf_types<size>::Elf_Swxword | |
1246 | get_r_addend() const | |
8d9455b4 | 1247 | { return Convert<size, big_endian>::convert_host(this->p_->r_addend); } |
61ba1cf9 ILT |
1248 | |
1249 | private: | |
1250 | const internal::Rela_data<size>* p_; | |
1251 | }; | |
1252 | ||
c06b7b0b ILT |
1253 | // Writer class for an ELF Rela relocation. |
1254 | ||
1255 | template<int size, bool big_endian> | |
1256 | class Rela_write | |
1257 | { | |
1258 | public: | |
1259 | Rela_write(unsigned char* p) | |
1260 | : p_(reinterpret_cast<internal::Rela_data<size>*>(p)) | |
1261 | { } | |
1262 | ||
1263 | void | |
1264 | put_r_offset(typename Elf_types<size>::Elf_Addr v) | |
1265 | { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); } | |
1266 | ||
1267 | void | |
1268 | put_r_info(typename Elf_types<size>::Elf_WXword v) | |
1269 | { this->p_->r_info = Convert<size, big_endian>::convert_host(v); } | |
1270 | ||
1271 | void | |
1272 | put_r_addend(typename Elf_types<size>::Elf_Swxword v) | |
1273 | { this->p_->r_addend = Convert<size, big_endian>::convert_host(v); } | |
1274 | ||
1275 | private: | |
1276 | internal::Rela_data<size>* p_; | |
1277 | }; | |
1278 | ||
dbe717ef ILT |
1279 | // Accessor classes for entries in the ELF SHT_DYNAMIC section aka |
1280 | // PT_DYNAMIC segment. | |
1281 | ||
1282 | template<int size, bool big_endian> | |
1283 | class Dyn | |
1284 | { | |
1285 | public: | |
1286 | Dyn(const unsigned char* p) | |
1287 | : p_(reinterpret_cast<const internal::Dyn_data<size>*>(p)) | |
1288 | { } | |
1289 | ||
1290 | template<typename File> | |
1291 | Dyn(File* file, typename File::Location loc) | |
1292 | : p_(reinterpret_cast<const internal::Dyn_data<size>*>( | |
1293 | file->view(loc.file_offset, loc.data_size).data())) | |
1294 | { } | |
1295 | ||
1296 | typename Elf_types<size>::Elf_Swxword | |
1297 | get_d_tag() const | |
1298 | { return Convert<size, big_endian>::convert_host(this->p_->d_tag); } | |
1299 | ||
1300 | typename Elf_types<size>::Elf_WXword | |
1301 | get_d_val() const | |
1302 | { return Convert<size, big_endian>::convert_host(this->p_->d_val); } | |
1303 | ||
1304 | typename Elf_types<size>::Elf_Addr | |
1305 | get_d_ptr() const | |
1306 | { return Convert<size, big_endian>::convert_host(this->p_->d_val); } | |
1307 | ||
1308 | private: | |
1309 | const internal::Dyn_data<size>* p_; | |
1310 | }; | |
1311 | ||
a3ad94ed ILT |
1312 | // Write class for an entry in the SHT_DYNAMIC section. |
1313 | ||
1314 | template<int size, bool big_endian> | |
1315 | class Dyn_write | |
1316 | { | |
1317 | public: | |
1318 | Dyn_write(unsigned char* p) | |
1319 | : p_(reinterpret_cast<internal::Dyn_data<size>*>(p)) | |
1320 | { } | |
1321 | ||
1322 | void | |
1323 | put_d_tag(typename Elf_types<size>::Elf_Swxword v) | |
1324 | { this->p_->d_tag = Convert<size, big_endian>::convert_host(v); } | |
1325 | ||
1326 | void | |
1327 | put_d_val(typename Elf_types<size>::Elf_WXword v) | |
1328 | { this->p_->d_val = Convert<size, big_endian>::convert_host(v); } | |
1329 | ||
1330 | void | |
1331 | put_d_ptr(typename Elf_types<size>::Elf_Addr v) | |
1332 | { this->p_->d_val = Convert<size, big_endian>::convert_host(v); } | |
1333 | ||
1334 | private: | |
1335 | internal::Dyn_data<size>* p_; | |
1336 | }; | |
1337 | ||
dbe717ef ILT |
1338 | // Accessor classes for entries in the ELF SHT_GNU_verdef section. |
1339 | ||
1340 | template<int size, bool big_endian> | |
1341 | class Verdef | |
1342 | { | |
1343 | public: | |
1344 | Verdef(const unsigned char* p) | |
1345 | : p_(reinterpret_cast<const internal::Verdef_data*>(p)) | |
1346 | { } | |
1347 | ||
1348 | template<typename File> | |
1349 | Verdef(File* file, typename File::Location loc) | |
1350 | : p_(reinterpret_cast<const internal::Verdef_data*>( | |
1351 | file->view(loc.file_offset, loc.data_size).data())) | |
1352 | { } | |
1353 | ||
1354 | Elf_Half | |
1355 | get_vd_version() const | |
1356 | { return Convert<16, big_endian>::convert_host(this->p_->vd_version); } | |
1357 | ||
1358 | Elf_Half | |
1359 | get_vd_flags() const | |
1360 | { return Convert<16, big_endian>::convert_host(this->p_->vd_flags); } | |
1361 | ||
1362 | Elf_Half | |
1363 | get_vd_ndx() const | |
1364 | { return Convert<16, big_endian>::convert_host(this->p_->vd_ndx); } | |
1365 | ||
1366 | Elf_Half | |
1367 | get_vd_cnt() const | |
1368 | { return Convert<16, big_endian>::convert_host(this->p_->vd_cnt); } | |
1369 | ||
1370 | Elf_Word | |
1371 | get_vd_hash() const | |
1372 | { return Convert<32, big_endian>::convert_host(this->p_->vd_hash); } | |
1373 | ||
1374 | Elf_Word | |
1375 | get_vd_aux() const | |
1376 | { return Convert<32, big_endian>::convert_host(this->p_->vd_aux); } | |
1377 | ||
1378 | Elf_Word | |
1379 | get_vd_next() const | |
1380 | { return Convert<32, big_endian>::convert_host(this->p_->vd_next); } | |
1381 | ||
1382 | private: | |
1383 | const internal::Verdef_data* p_; | |
1384 | }; | |
1385 | ||
14b31740 ILT |
1386 | template<int size, bool big_endian> |
1387 | class Verdef_write | |
1388 | { | |
1389 | public: | |
1390 | Verdef_write(unsigned char* p) | |
1391 | : p_(reinterpret_cast<internal::Verdef_data*>(p)) | |
1392 | { } | |
1393 | ||
1394 | void | |
1395 | set_vd_version(Elf_Half v) | |
1396 | { this->p_->vd_version = Convert<16, big_endian>::convert_host(v); } | |
1397 | ||
1398 | void | |
1399 | set_vd_flags(Elf_Half v) | |
1400 | { this->p_->vd_flags = Convert<16, big_endian>::convert_host(v); } | |
1401 | ||
1402 | void | |
1403 | set_vd_ndx(Elf_Half v) | |
1404 | { this->p_->vd_ndx = Convert<16, big_endian>::convert_host(v); } | |
1405 | ||
1406 | void | |
1407 | set_vd_cnt(Elf_Half v) | |
1408 | { this->p_->vd_cnt = Convert<16, big_endian>::convert_host(v); } | |
1409 | ||
1410 | void | |
1411 | set_vd_hash(Elf_Word v) | |
1412 | { this->p_->vd_hash = Convert<32, big_endian>::convert_host(v); } | |
1413 | ||
1414 | void | |
1415 | set_vd_aux(Elf_Word v) | |
1416 | { this->p_->vd_aux = Convert<32, big_endian>::convert_host(v); } | |
1417 | ||
1418 | void | |
1419 | set_vd_next(Elf_Word v) | |
1420 | { this->p_->vd_next = Convert<32, big_endian>::convert_host(v); } | |
1421 | ||
1422 | private: | |
1423 | internal::Verdef_data* p_; | |
1424 | }; | |
1425 | ||
dbe717ef ILT |
1426 | // Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef |
1427 | // section. | |
1428 | ||
1429 | template<int size, bool big_endian> | |
1430 | class Verdaux | |
1431 | { | |
1432 | public: | |
1433 | Verdaux(const unsigned char* p) | |
1434 | : p_(reinterpret_cast<const internal::Verdaux_data*>(p)) | |
1435 | { } | |
1436 | ||
1437 | template<typename File> | |
1438 | Verdaux(File* file, typename File::Location loc) | |
1439 | : p_(reinterpret_cast<const internal::Verdaux_data*>( | |
1440 | file->view(loc.file_offset, loc.data_size).data())) | |
1441 | { } | |
1442 | ||
1443 | Elf_Word | |
1444 | get_vda_name() const | |
1445 | { return Convert<32, big_endian>::convert_host(this->p_->vda_name); } | |
1446 | ||
1447 | Elf_Word | |
1448 | get_vda_next() const | |
1449 | { return Convert<32, big_endian>::convert_host(this->p_->vda_next); } | |
1450 | ||
1451 | private: | |
1452 | const internal::Verdaux_data* p_; | |
1453 | }; | |
1454 | ||
14b31740 ILT |
1455 | template<int size, bool big_endian> |
1456 | class Verdaux_write | |
1457 | { | |
1458 | public: | |
1459 | Verdaux_write(unsigned char* p) | |
1460 | : p_(reinterpret_cast<internal::Verdaux_data*>(p)) | |
1461 | { } | |
1462 | ||
1463 | void | |
1464 | set_vda_name(Elf_Word v) | |
1465 | { this->p_->vda_name = Convert<32, big_endian>::convert_host(v); } | |
1466 | ||
1467 | void | |
1468 | set_vda_next(Elf_Word v) | |
1469 | { this->p_->vda_next = Convert<32, big_endian>::convert_host(v); } | |
1470 | ||
1471 | private: | |
1472 | internal::Verdaux_data* p_; | |
1473 | }; | |
1474 | ||
dbe717ef ILT |
1475 | // Accessor classes for entries in the ELF SHT_GNU_verneed section. |
1476 | ||
1477 | template<int size, bool big_endian> | |
1478 | class Verneed | |
1479 | { | |
1480 | public: | |
1481 | Verneed(const unsigned char* p) | |
1482 | : p_(reinterpret_cast<const internal::Verneed_data*>(p)) | |
1483 | { } | |
1484 | ||
1485 | template<typename File> | |
1486 | Verneed(File* file, typename File::Location loc) | |
1487 | : p_(reinterpret_cast<const internal::Verneed_data*>( | |
1488 | file->view(loc.file_offset, loc.data_size).data())) | |
1489 | { } | |
1490 | ||
1491 | Elf_Half | |
1492 | get_vn_version() const | |
1493 | { return Convert<16, big_endian>::convert_host(this->p_->vn_version); } | |
1494 | ||
1495 | Elf_Half | |
1496 | get_vn_cnt() const | |
1497 | { return Convert<16, big_endian>::convert_host(this->p_->vn_cnt); } | |
1498 | ||
1499 | Elf_Word | |
1500 | get_vn_file() const | |
1501 | { return Convert<32, big_endian>::convert_host(this->p_->vn_file); } | |
1502 | ||
1503 | Elf_Word | |
1504 | get_vn_aux() const | |
1505 | { return Convert<32, big_endian>::convert_host(this->p_->vn_aux); } | |
1506 | ||
1507 | Elf_Word | |
1508 | get_vn_next() const | |
1509 | { return Convert<32, big_endian>::convert_host(this->p_->vn_next); } | |
1510 | ||
1511 | private: | |
1512 | const internal::Verneed_data* p_; | |
1513 | }; | |
1514 | ||
14b31740 ILT |
1515 | template<int size, bool big_endian> |
1516 | class Verneed_write | |
1517 | { | |
1518 | public: | |
1519 | Verneed_write(unsigned char* p) | |
1520 | : p_(reinterpret_cast<internal::Verneed_data*>(p)) | |
1521 | { } | |
1522 | ||
1523 | void | |
1524 | set_vn_version(Elf_Half v) | |
1525 | { this->p_->vn_version = Convert<16, big_endian>::convert_host(v); } | |
1526 | ||
1527 | void | |
1528 | set_vn_cnt(Elf_Half v) | |
1529 | { this->p_->vn_cnt = Convert<16, big_endian>::convert_host(v); } | |
1530 | ||
1531 | void | |
1532 | set_vn_file(Elf_Word v) | |
1533 | { this->p_->vn_file = Convert<32, big_endian>::convert_host(v); } | |
1534 | ||
1535 | void | |
1536 | set_vn_aux(Elf_Word v) | |
1537 | { this->p_->vn_aux = Convert<32, big_endian>::convert_host(v); } | |
1538 | ||
1539 | void | |
1540 | set_vn_next(Elf_Word v) | |
1541 | { this->p_->vn_next = Convert<32, big_endian>::convert_host(v); } | |
1542 | ||
1543 | private: | |
1544 | internal::Verneed_data* p_; | |
1545 | }; | |
1546 | ||
dbe717ef ILT |
1547 | // Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed |
1548 | // section. | |
1549 | ||
1550 | template<int size, bool big_endian> | |
1551 | class Vernaux | |
1552 | { | |
1553 | public: | |
1554 | Vernaux(const unsigned char* p) | |
1555 | : p_(reinterpret_cast<const internal::Vernaux_data*>(p)) | |
1556 | { } | |
1557 | ||
1558 | template<typename File> | |
1559 | Vernaux(File* file, typename File::Location loc) | |
1560 | : p_(reinterpret_cast<const internal::Vernaux_data*>( | |
1561 | file->view(loc.file_offset, loc.data_size).data())) | |
1562 | { } | |
1563 | ||
1564 | Elf_Word | |
1565 | get_vna_hash() const | |
1566 | { return Convert<32, big_endian>::convert_host(this->p_->vna_hash); } | |
1567 | ||
1568 | Elf_Half | |
1569 | get_vna_flags() const | |
1570 | { return Convert<16, big_endian>::convert_host(this->p_->vna_flags); } | |
1571 | ||
1572 | Elf_Half | |
1573 | get_vna_other() const | |
1574 | { return Convert<16, big_endian>::convert_host(this->p_->vna_other); } | |
1575 | ||
1576 | Elf_Word | |
1577 | get_vna_name() const | |
1578 | { return Convert<32, big_endian>::convert_host(this->p_->vna_name); } | |
1579 | ||
1580 | Elf_Word | |
1581 | get_vna_next() const | |
1582 | { return Convert<32, big_endian>::convert_host(this->p_->vna_next); } | |
1583 | ||
1584 | private: | |
1585 | const internal::Vernaux_data* p_; | |
1586 | }; | |
1587 | ||
14b31740 ILT |
1588 | template<int size, bool big_endian> |
1589 | class Vernaux_write | |
1590 | { | |
1591 | public: | |
1592 | Vernaux_write(unsigned char* p) | |
1593 | : p_(reinterpret_cast<internal::Vernaux_data*>(p)) | |
1594 | { } | |
1595 | ||
1596 | void | |
1597 | set_vna_hash(Elf_Word v) | |
1598 | { this->p_->vna_hash = Convert<32, big_endian>::convert_host(v); } | |
1599 | ||
1600 | void | |
1601 | set_vna_flags(Elf_Half v) | |
1602 | { this->p_->vna_flags = Convert<16, big_endian>::convert_host(v); } | |
1603 | ||
1604 | void | |
1605 | set_vna_other(Elf_Half v) | |
1606 | { this->p_->vna_other = Convert<16, big_endian>::convert_host(v); } | |
1607 | ||
1608 | void | |
1609 | set_vna_name(Elf_Word v) | |
1610 | { this->p_->vna_name = Convert<32, big_endian>::convert_host(v); } | |
1611 | ||
1612 | void | |
1613 | set_vna_next(Elf_Word v) | |
1614 | { this->p_->vna_next = Convert<32, big_endian>::convert_host(v); } | |
1615 | ||
1616 | private: | |
1617 | internal::Vernaux_data* p_; | |
1618 | }; | |
dbe717ef | 1619 | |
bae7f79e ILT |
1620 | } // End namespace elfcpp. |
1621 | ||
1622 | #endif // !defined(ELFPCP_H) |