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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" | |
9 | ||
10 | #include <stdint.h> | |
11 | ||
12 | namespace elfcpp | |
13 | { | |
14 | ||
15 | // Basic ELF types. | |
16 | ||
17 | // These types are always the same size. | |
18 | ||
19 | typedef uint16_t Elf_Half; | |
20 | typedef uint32_t Elf_Word; | |
21 | typedef int32_t Elf_Sword; | |
22 | typedef uint64_t Elf_Xword; | |
23 | typedef int64_t Elf_Sxword; | |
24 | ||
25 | // These types vary in size depending on the ELF file class. The | |
26 | // template parameter should be 32 or 64. | |
27 | ||
28 | template<int size> | |
39081c14 | 29 | struct Elf_types; |
bae7f79e ILT |
30 | |
31 | template<> | |
32 | struct Elf_types<32> | |
33 | { | |
34 | typedef uint32_t Elf_Addr; | |
35 | typedef uint32_t Elf_Off; | |
36 | typedef uint32_t Elf_WXword; | |
61ba1cf9 | 37 | typedef int32_t Elf_Swxword; |
bae7f79e ILT |
38 | }; |
39 | ||
40 | template<> | |
41 | struct Elf_types<64> | |
42 | { | |
43 | typedef uint64_t Elf_Addr; | |
44 | typedef uint64_t Elf_Off; | |
45 | typedef uint64_t Elf_WXword; | |
61ba1cf9 | 46 | typedef int64_t Elf_Swxword; |
bae7f79e ILT |
47 | }; |
48 | ||
49 | // Offsets within the Ehdr e_ident field. | |
50 | ||
51 | const int EI_MAG0 = 0; | |
52 | const int EI_MAG1 = 1; | |
53 | const int EI_MAG2 = 2; | |
54 | const int EI_MAG3 = 3; | |
55 | const int EI_CLASS = 4; | |
56 | const int EI_DATA = 5; | |
57 | const int EI_VERSION = 6; | |
58 | const int EI_OSABI = 7; | |
59 | const int EI_ABIVERSION = 8; | |
60 | const int EI_PAD = 9; | |
61 | const int EI_NIDENT = 16; | |
62 | ||
63 | // The valid values found in Ehdr e_ident[EI_MAG0 through EI_MAG3]. | |
64 | ||
65 | const int ELFMAG0 = 0x7f; | |
66 | const int ELFMAG1 = 'E'; | |
67 | const int ELFMAG2 = 'L'; | |
68 | const int ELFMAG3 = 'F'; | |
69 | ||
70 | // The valid values found in Ehdr e_ident[EI_CLASS]. | |
71 | ||
72 | enum | |
73 | { | |
74 | ELFCLASSNONE = 0, | |
75 | ELFCLASS32 = 1, | |
76 | ELFCLASS64 = 2 | |
77 | }; | |
78 | ||
79 | // The valid values found in Ehdr e_ident[EI_DATA]. | |
80 | ||
81 | enum | |
82 | { | |
83 | ELFDATANONE = 0, | |
84 | ELFDATA2LSB = 1, | |
85 | ELFDATA2MSB = 2 | |
86 | }; | |
87 | ||
88 | // The valid values found in Ehdr e_ident[EI_VERSION] and e_version. | |
89 | ||
90 | enum | |
91 | { | |
92 | EV_NONE = 0, | |
93 | EV_CURRENT = 1 | |
94 | }; | |
95 | ||
96 | // The valid values found in Ehdr e_ident[EI_OSABI]. | |
97 | ||
98 | enum ELFOSABI | |
99 | { | |
100 | ELFOSABI_NONE = 0, | |
101 | ELFOSABI_HPUX = 1, | |
102 | ELFOSABI_NETBSD = 2, | |
103 | // ELFOSABI_LINUX is not listed in the ELF standard. | |
104 | ELFOSABI_LINUX = 3, | |
105 | // ELFOSABI_HURD is not listed in the ELF standard. | |
106 | ELFOSABI_HURD = 4, | |
107 | ELFOSABI_SOLARIS = 6, | |
108 | ELFOSABI_AIX = 7, | |
109 | ELFOSABI_IRIX = 8, | |
110 | ELFOSABI_FREEBSD = 9, | |
111 | ELFOSABI_TRU64 = 10, | |
112 | ELFOSABI_MODESTO = 11, | |
113 | ELFOSABI_OPENBSD = 12, | |
114 | ELFOSABI_OPENVMS = 13, | |
115 | ELFOSABI_NSK = 14, | |
116 | ELFOSABI_AROS = 15, | |
117 | // A GNU extension for the ARM. | |
118 | ELFOSABI_ARM = 97, | |
119 | // A GNU extension for the MSP. | |
120 | ELFOSABI_STANDALONE = 255 | |
121 | }; | |
122 | ||
123 | // The valid values found in the Ehdr e_type field. | |
124 | ||
125 | enum ET | |
126 | { | |
127 | ET_NONE = 0, | |
128 | ET_REL = 1, | |
129 | ET_EXEC = 2, | |
130 | ET_DYN = 3, | |
131 | ET_CORE = 4, | |
132 | ET_LOOS = 0xfe00, | |
133 | ET_HIOS = 0xfeff, | |
134 | ET_LOPROC = 0xff00, | |
135 | ET_HIPROC = 0xffff | |
136 | }; | |
137 | ||
138 | // The valid values found in the Ehdr e_machine field. | |
139 | ||
140 | enum EM | |
141 | { | |
142 | EM_NONE = 0, | |
143 | EM_M32 = 1, | |
144 | EM_SPARC = 2, | |
145 | EM_386 = 3, | |
146 | EM_68K = 4, | |
147 | EM_88K = 5, | |
148 | // 6 used to be EM_486 | |
149 | EM_860 = 7, | |
150 | EM_MIPS = 8, | |
151 | EM_S370 = 9, | |
152 | EM_MIPS_RS3_LE = 10, | |
153 | // 11 was the old Sparc V9 ABI. | |
154 | // 12 through 14 are reserved. | |
155 | EM_PARISC = 15, | |
156 | // 16 is reserved. | |
157 | // Some old PowerPC object files use 17. | |
158 | EM_VPP500 = 17, | |
159 | EM_SPARC32PLUS = 18, | |
160 | EM_960 = 19, | |
161 | EM_PPC = 20, | |
162 | EM_PPC64 = 21, | |
163 | EM_S390 = 22, | |
164 | // 23 through 35 are served. | |
165 | EM_V800 = 36, | |
166 | EM_FR20 = 37, | |
167 | EM_RH32 = 38, | |
168 | EM_RCE = 39, | |
169 | EM_ARM = 40, | |
170 | EM_ALPHA = 41, | |
171 | EM_SH = 42, | |
172 | EM_SPARCV9 = 43, | |
173 | EM_TRICORE = 44, | |
174 | EM_ARC = 45, | |
175 | EM_H8_300 = 46, | |
176 | EM_H8_300H = 47, | |
177 | EM_H8S = 48, | |
178 | EM_H8_500 = 49, | |
179 | EM_IA_64 = 50, | |
180 | EM_MIPS_X = 51, | |
181 | EM_COLDFIRE = 52, | |
182 | EM_68HC12 = 53, | |
183 | EM_MMA = 54, | |
184 | EM_PCP = 55, | |
185 | EM_NCPU = 56, | |
186 | EM_NDR1 = 57, | |
187 | EM_STARCORE = 58, | |
188 | EM_ME16 = 59, | |
189 | EM_ST100 = 60, | |
190 | EM_TINYJ = 61, | |
191 | EM_X86_64 = 62, | |
192 | EM_PDSP = 63, | |
193 | EM_PDP10 = 64, | |
194 | EM_PDP11 = 65, | |
195 | EM_FX66 = 66, | |
196 | EM_ST9PLUS = 67, | |
197 | EM_ST7 = 68, | |
198 | EM_68HC16 = 69, | |
199 | EM_68HC11 = 70, | |
200 | EM_68HC08 = 71, | |
201 | EM_68HC05 = 72, | |
202 | EM_SVX = 73, | |
203 | EM_ST19 = 74, | |
204 | EM_VAX = 75, | |
205 | EM_CRIS = 76, | |
206 | EM_JAVELIN = 77, | |
207 | EM_FIREPATH = 78, | |
208 | EM_ZSP = 79, | |
209 | EM_MMIX = 80, | |
210 | EM_HUANY = 81, | |
211 | EM_PRISM = 82, | |
212 | EM_AVR = 83, | |
213 | EM_FR30 = 84, | |
214 | EM_D10V = 85, | |
215 | EM_D30V = 86, | |
216 | EM_V850 = 87, | |
217 | EM_M32R = 88, | |
218 | EM_MN10300 = 89, | |
219 | EM_MN10200 = 90, | |
220 | EM_PJ = 91, | |
221 | EM_OPENRISC = 92, | |
222 | EM_ARC_A5 = 93, | |
223 | EM_XTENSA = 94, | |
224 | EM_VIDEOCORE = 95, | |
225 | EM_TMM_GPP = 96, | |
226 | EM_NS32K = 97, | |
227 | EM_TPC = 98, | |
228 | // Some old picoJava object files use 99 (EM_PJ is correct). | |
229 | EM_SNP1K = 99, | |
230 | EM_ST200 = 100, | |
231 | EM_IP2K = 101, | |
232 | EM_MAX = 102, | |
233 | EM_CR = 103, | |
234 | EM_F2MC16 = 104, | |
235 | EM_MSP430 = 105, | |
236 | EM_BLACKFIN = 106, | |
237 | EM_SE_C33 = 107, | |
238 | EM_SEP = 108, | |
239 | EM_ARCA = 109, | |
240 | EM_UNICORE = 110, | |
241 | EM_ALTERA_NIOS2 = 113, | |
242 | EM_CRX = 114, | |
243 | // The Morph MT. | |
244 | EM_MT = 0x2530, | |
245 | // DLX. | |
246 | EM_DLX = 0x5aa5, | |
247 | // FRV. | |
248 | EM_FRV = 0x5441, | |
249 | // Infineon Technologies 16-bit microcontroller with C166-V2 core. | |
250 | EM_X16X = 0x4688, | |
251 | // Xstorym16 | |
252 | EM_XSTORMY16 = 0xad45, | |
253 | // Renesas M32C | |
254 | EM_M32C = 0xfeb0, | |
255 | // Vitesse IQ2000 | |
256 | EM_IQ2000 = 0xfeba, | |
257 | // NIOS | |
258 | EM_NIOS32 = 0xfebb | |
259 | // Old AVR objects used 0x1057 (EM_AVR is correct). | |
260 | // Old MSP430 objects used 0x1059 (EM_MSP430 is correct). | |
261 | // Old FR30 objects used 0x3330 (EM_FR30 is correct). | |
262 | // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OPENRISC is correct). | |
263 | // Old D10V objects used 0x7650 (EM_D10V is correct). | |
264 | // Old D30V objects used 0x7676 (EM_D30V is correct). | |
265 | // Old IP2X objects used 0x8217 (EM_IP2K is correct). | |
266 | // Old PowerPC objects used 0x9025 (EM_PPC is correct). | |
267 | // Old Alpha objects used 0x9026 (EM_ALPHA is correct). | |
268 | // Old M32R objects used 0x9041 (EM_M32R is correct). | |
269 | // Old V850 objects used 0x9080 (EM_V850 is correct). | |
270 | // Old S/390 objects used 0xa390 (EM_S390 is correct). | |
271 | // Old Xtensa objects used 0xabc7 (EM_XTENSA is correct). | |
272 | // Old MN10300 objects used 0xbeef (EM_MN10300 is correct). | |
273 | // Old MN10200 objects used 0xdead (EM_MN10200 is correct). | |
274 | }; | |
275 | ||
276 | // Special section indices. | |
277 | ||
278 | enum | |
279 | { | |
280 | SHN_UNDEF = 0, | |
281 | SHN_LORESERVE = 0xff00, | |
282 | SHN_LOPROC = 0xff00, | |
283 | SHN_HIPROC = 0xff1f, | |
284 | SHN_LOOS = 0xff20, | |
285 | SHN_HIOS = 0xff3f, | |
286 | SHN_ABS = 0xfff1, | |
287 | SHN_COMMON = 0xfff2, | |
288 | SHN_XINDEX = 0xffff, | |
289 | SHN_HIRESERVE = 0xffff | |
290 | }; | |
291 | ||
292 | // The valid values found in the Shdr sh_type field. | |
293 | ||
39081c14 | 294 | enum SHT |
bae7f79e ILT |
295 | { |
296 | SHT_NULL = 0, | |
297 | SHT_PROGBITS = 1, | |
298 | SHT_SYMTAB = 2, | |
299 | SHT_STRTAB = 3, | |
300 | SHT_RELA = 4, | |
301 | SHT_HASH = 5, | |
302 | SHT_DYNAMIC = 6, | |
303 | SHT_NOTE = 7, | |
304 | SHT_NOBITS = 8, | |
305 | SHT_REL = 9, | |
306 | SHT_SHLIB = 10, | |
307 | SHT_DYNSYM = 11, | |
308 | SHT_INIT_ARRAY = 14, | |
309 | SHT_FINI_ARRAY = 15, | |
310 | SHT_PREINIT_ARRAY = 16, | |
311 | SHT_GROUP = 17, | |
312 | SHT_SYMTAB_SHNDX = 18, | |
313 | SHT_LOOS = 0x60000000, | |
314 | SHT_HIOS = 0x6fffffff, | |
315 | SHT_LOPROC = 0x70000000, | |
316 | SHT_HIPROC = 0x7fffffff, | |
317 | SHT_LOUSER = 0x80000000, | |
318 | SHT_HIUSER = 0xffffffff, | |
319 | // The remaining values are not in the standard. | |
320 | // List of prelink dependencies. | |
321 | SHT_GNU_LIBLIST = 0x6ffffff7, | |
322 | // Versions defined by file. | |
323 | SHT_SUNW_verdef = 0x6ffffffd, | |
324 | SHT_GNU_verdef = 0x6ffffffd, | |
325 | // Versions needed by file. | |
326 | SHT_SUNW_verneed = 0x6ffffffe, | |
327 | SHT_GNU_verneed = 0x6ffffffe, | |
328 | // Symbol versions, | |
329 | SHT_SUNW_versym = 0x6fffffff, | |
330 | SHT_GNU_versym = 0x6fffffff, | |
331 | }; | |
332 | ||
333 | // The valid bit flags found in the Shdr sh_flags field. | |
334 | ||
39081c14 | 335 | enum SHF |
bae7f79e ILT |
336 | { |
337 | SHF_WRITE = 0x1, | |
338 | SHF_ALLOC = 0x2, | |
339 | SHF_EXECINSTR = 0x4, | |
340 | SHF_MERGE = 0x10, | |
341 | SHF_STRINGS = 0x20, | |
342 | SHF_INFO_LINK = 0x40, | |
343 | SHF_LINK_ORDER = 0x80, | |
344 | SHF_OS_NONCONFORMING = 0x100, | |
345 | SHF_GROUP = 0x200, | |
346 | SHF_TLS = 0x400, | |
347 | SHF_MASKOS = 0x0ff00000, | |
348 | SHF_MASKPROC = 0xf0000000 | |
349 | }; | |
350 | ||
351 | // Bit flags which appear in the first 32-bit word of the section data | |
352 | // of a SHT_GROUP section. | |
353 | ||
354 | enum | |
355 | { | |
356 | GRP_COMDAT = 0x1, | |
357 | GRP_MASKOS = 0x0ff00000, | |
358 | GRP_MASKPROC = 0xf0000000 | |
359 | }; | |
360 | ||
39081c14 ILT |
361 | // The valid values found in the Phdr p_type field. |
362 | ||
363 | enum PT | |
364 | { | |
365 | PT_NULL = 0, | |
366 | PT_LOAD = 1, | |
367 | PT_DYNAMIC = 2, | |
368 | PT_INTERP = 3, | |
369 | PT_NOTE = 4, | |
370 | PT_SHLIB = 5, | |
371 | PT_PHDR = 6, | |
372 | PT_TLS = 7, | |
373 | PT_LOOS = 0x60000000, | |
374 | PT_HIOS = 0x6fffffff, | |
375 | PT_LOPROC = 0x70000000, | |
376 | PT_HIPROC = 0x7fffffff, | |
377 | // The remaining values are not in the standard. | |
378 | // Frame unwind information. | |
379 | PT_GNU_EH_FRAME = 0x6474e550, | |
380 | PT_SUNW_EH_FRAME = 0x6474e550, | |
381 | // Stack flags. | |
382 | PT_GNU_STACK = 0x6474e551, | |
383 | // Read only after relocation. | |
384 | PT_GNU_RELRO = 0x6474e552 | |
385 | }; | |
386 | ||
387 | // The valid bit flags found in the Phdr p_flags field. | |
388 | ||
389 | enum PF | |
390 | { | |
391 | PF_X = 0x1, | |
392 | PF_W = 0x2, | |
393 | PF_R = 0x4, | |
394 | PF_MASKOS = 0x0ff00000, | |
395 | PF_MASKPROC = 0xf0000000 | |
396 | }; | |
397 | ||
bae7f79e ILT |
398 | // Symbol binding from Sym st_info field. |
399 | ||
400 | enum STB | |
401 | { | |
402 | STB_LOCAL = 0, | |
403 | STB_GLOBAL = 1, | |
404 | STB_WEAK = 2, | |
405 | STB_LOOS = 10, | |
406 | STB_HIOS = 12, | |
407 | STB_LOPROC = 13, | |
408 | STB_HIPROC = 15 | |
409 | }; | |
410 | ||
411 | // Symbol types from Sym st_info field. | |
412 | ||
413 | enum STT | |
414 | { | |
415 | STT_NOTYPE = 0, | |
416 | STT_OBJECT = 1, | |
417 | STT_FUNC = 2, | |
418 | STT_SECTION = 3, | |
419 | STT_FILE = 4, | |
420 | STT_COMMON = 5, | |
421 | STT_TLS = 6, | |
422 | STT_LOOS = 10, | |
423 | STT_HIOS = 12, | |
424 | STT_LOPROC = 13, | |
425 | STT_HIPROC = 15 | |
426 | }; | |
427 | ||
14bfc3f5 ILT |
428 | inline STB |
429 | elf_st_bind(unsigned char info) | |
430 | { | |
431 | return static_cast<STB>(info >> 4); | |
432 | } | |
433 | ||
434 | inline STT | |
435 | elf_st_type(unsigned char info) | |
436 | { | |
437 | return static_cast<STT>(info & 0xf); | |
438 | } | |
439 | ||
440 | inline unsigned char | |
441 | elf_st_info(STB bind, STT type) | |
442 | { | |
443 | return ((static_cast<unsigned char>(bind) << 4) | |
444 | + (static_cast<unsigned char>(type) & 0xf)); | |
445 | } | |
446 | ||
bae7f79e ILT |
447 | // Symbol visibility from Sym st_other field. |
448 | ||
449 | enum STV | |
450 | { | |
451 | STV_DEFAULT = 0, | |
452 | STV_INTERNAL = 1, | |
453 | STV_HIDDEN = 2, | |
454 | STV_PROTECTED = 3 | |
455 | }; | |
456 | ||
14bfc3f5 ILT |
457 | inline STV |
458 | elf_st_visibility(unsigned char other) | |
459 | { | |
460 | return static_cast<STV>(other & 0x3); | |
461 | } | |
462 | ||
463 | inline unsigned char | |
464 | elf_st_nonvis(unsigned char other) | |
465 | { | |
466 | return static_cast<STV>(other >> 2); | |
467 | } | |
468 | ||
1564db8d ILT |
469 | inline unsigned char |
470 | elf_st_other(STV vis, unsigned char nonvis) | |
471 | { | |
472 | return ((nonvis << 2) | |
473 | + (static_cast<unsigned char>(vis) & 3)); | |
474 | } | |
475 | ||
61ba1cf9 ILT |
476 | // Reloc information from Rel/Rela r_info field. |
477 | ||
478 | template<int size> | |
479 | unsigned int | |
480 | elf_r_sym(typename Elf_types<size>::Elf_WXword); | |
481 | ||
482 | template<> | |
483 | inline unsigned int | |
484 | elf_r_sym<32>(Elf_Word v) | |
485 | { | |
486 | return v >> 8; | |
487 | } | |
488 | ||
489 | template<> | |
490 | inline unsigned int | |
491 | elf_r_sym<64>(Elf_Xword v) | |
492 | { | |
493 | return v >> 32; | |
494 | } | |
495 | ||
496 | template<int size> | |
497 | unsigned int | |
498 | elf_r_type(typename Elf_types<size>::Elf_WXword); | |
499 | ||
500 | template<> | |
501 | inline unsigned int | |
502 | elf_r_type<32>(Elf_Word v) | |
503 | { | |
504 | return v & 0xff; | |
505 | } | |
506 | ||
507 | template<> | |
508 | inline unsigned int | |
509 | elf_r_type<64>(Elf_Xword v) | |
510 | { | |
511 | return v & 0xffffffff; | |
512 | } | |
513 | ||
514 | template<int size> | |
515 | typename Elf_types<size>::Elf_WXword | |
516 | elf_r_info(unsigned int s, unsigned int t); | |
517 | ||
518 | template<> | |
519 | inline Elf_Word | |
520 | elf_r_info<32>(unsigned int s, unsigned int t) | |
521 | { | |
522 | return (s << 8) + (t & 0xff); | |
523 | } | |
524 | ||
525 | template<> | |
526 | inline Elf_Xword | |
527 | elf_r_info<64>(unsigned int s, unsigned int t) | |
528 | { | |
529 | return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff); | |
530 | } | |
531 | ||
bae7f79e ILT |
532 | } // End namespace elfcpp. |
533 | ||
534 | // Include internal details after defining the types. | |
535 | #include "elfcpp_internal.h" | |
536 | ||
537 | namespace elfcpp | |
538 | { | |
539 | ||
540 | // The offset of the ELF file header in the ELF file. | |
541 | ||
542 | const int file_header_offset = 0; | |
543 | ||
544 | // ELF structure sizes. | |
545 | ||
546 | template<int size> | |
547 | struct Elf_sizes | |
548 | { | |
549 | // Size of ELF file header. | |
550 | static const int ehdr_size = sizeof(internal::Ehdr_data<size>); | |
61ba1cf9 ILT |
551 | // Size of ELF segment header. |
552 | static const int phdr_size = sizeof(internal::Phdr_data<size>); | |
bae7f79e ILT |
553 | // Size of ELF section header. |
554 | static const int shdr_size = sizeof(internal::Shdr_data<size>); | |
555 | // Size of ELF symbol table entry. | |
556 | static const int sym_size = sizeof(internal::Sym_data<size>); | |
61ba1cf9 ILT |
557 | // Sizes of ELF reloc entries. |
558 | static const int rel_size = sizeof(internal::Rel_data<size>); | |
559 | static const int rela_size = sizeof(internal::Rela_data<size>); | |
bae7f79e ILT |
560 | }; |
561 | ||
39081c14 ILT |
562 | // Given the address of an Elf_Word, return the value. |
563 | ||
564 | template<bool big_endian> | |
565 | inline Elf_Word | |
566 | read_elf_word(const Elf_Word* p) | |
567 | { | |
568 | return internal::convert_word<big_endian>(*p); | |
569 | } | |
570 | ||
61ba1cf9 ILT |
571 | // Store an Elf_Word into an address. |
572 | ||
573 | template<bool big_endian> | |
574 | inline void | |
575 | write_elf_word(Elf_Word* p, Elf_Word v) | |
576 | { | |
577 | *p = internal::convert_word<big_endian>(v); | |
578 | } | |
579 | ||
bae7f79e ILT |
580 | // Accessor class for the ELF file header. |
581 | ||
582 | template<int size, bool big_endian> | |
583 | class Ehdr | |
584 | { | |
585 | public: | |
586 | Ehdr(const unsigned char* p) | |
587 | : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(p)) | |
588 | { } | |
589 | ||
590 | const unsigned char* | |
591 | get_e_ident() const | |
592 | { return this->p_->e_ident; } | |
593 | ||
594 | Elf_Half | |
595 | get_e_type() const | |
596 | { return internal::convert_half<big_endian>(this->p_->e_type); } | |
597 | ||
598 | Elf_Half | |
599 | get_e_machine() const | |
600 | { return internal::convert_half<big_endian>(this->p_->e_machine); } | |
601 | ||
602 | Elf_Word | |
603 | get_e_version() const | |
604 | { return internal::convert_word<big_endian>(this->p_->e_version); } | |
605 | ||
606 | typename Elf_types<size>::Elf_Addr | |
607 | get_e_entry() const | |
608 | { return internal::convert_addr<size, big_endian>(this->p_->e_entry); } | |
609 | ||
610 | typename Elf_types<size>::Elf_Off | |
611 | get_e_phoff() const | |
612 | { return internal::convert_off<size, big_endian>(this->p_->e_phoff); } | |
613 | ||
614 | typename Elf_types<size>::Elf_Off | |
615 | get_e_shoff() const | |
616 | { return internal::convert_off<size, big_endian>(this->p_->e_shoff); } | |
617 | ||
618 | Elf_Word | |
619 | get_e_flags() const | |
620 | { return internal::convert_word<big_endian>(this->p_->e_flags); } | |
621 | ||
622 | Elf_Half | |
623 | get_e_ehsize() const | |
624 | { return internal::convert_half<big_endian>(this->p_->e_ehsize); } | |
625 | ||
626 | Elf_Half | |
627 | get_e_phentsize() const | |
628 | { return internal::convert_half<big_endian>(this->p_->e_phentsize); } | |
629 | ||
630 | Elf_Half | |
631 | get_e_phnum() const | |
632 | { return internal::convert_half<big_endian>(this->p_->e_phnum); } | |
633 | ||
634 | Elf_Half | |
635 | get_e_shentsize() const | |
636 | { return internal::convert_half<big_endian>(this->p_->e_shentsize); } | |
637 | ||
638 | Elf_Half | |
639 | get_e_shnum() const | |
640 | { return internal::convert_half<big_endian>(this->p_->e_shnum); } | |
641 | ||
642 | Elf_Half | |
643 | get_e_shstrndx() const | |
644 | { return internal::convert_half<big_endian>(this->p_->e_shstrndx); } | |
645 | ||
646 | private: | |
647 | const internal::Ehdr_data<size>* p_; | |
648 | }; | |
649 | ||
61ba1cf9 ILT |
650 | // Write class for the ELF file header. |
651 | ||
652 | template<int size, bool big_endian> | |
653 | class Ehdr_write | |
654 | { | |
655 | public: | |
656 | Ehdr_write(unsigned char* p) | |
657 | : p_(reinterpret_cast<internal::Ehdr_data<size>*>(p)) | |
658 | { } | |
659 | ||
660 | void | |
661 | put_e_ident(const unsigned char v[EI_NIDENT]) const | |
662 | { memcpy(this->p_->e_ident, v, EI_NIDENT); } | |
663 | ||
664 | void | |
665 | put_e_type(Elf_Half v) | |
666 | { this->p_->e_type = internal::convert_half<big_endian>(v); } | |
667 | ||
668 | void | |
669 | put_e_machine(Elf_Half v) | |
670 | { this->p_->e_machine = internal::convert_half<big_endian>(v); } | |
671 | ||
672 | void | |
673 | put_e_version(Elf_Word v) | |
674 | { this->p_->e_version = internal::convert_word<big_endian>(v); } | |
675 | ||
676 | void | |
677 | put_e_entry(typename Elf_types<size>::Elf_Addr v) | |
678 | { this->p_->e_entry = internal::convert_addr<size, big_endian>(v); } | |
679 | ||
680 | void | |
681 | put_e_phoff(typename Elf_types<size>::Elf_Off v) | |
682 | { this->p_->e_phoff = internal::convert_off<size, big_endian>(v); } | |
683 | ||
684 | void | |
685 | put_e_shoff(typename Elf_types<size>::Elf_Off v) | |
686 | { this->p_->e_shoff = internal::convert_off<size, big_endian>(v); } | |
687 | ||
688 | void | |
689 | put_e_flags(Elf_Word v) | |
690 | { this->p_->e_flags = internal::convert_word<big_endian>(v); } | |
691 | ||
692 | void | |
693 | put_e_ehsize(Elf_Half v) | |
694 | { this->p_->e_ehsize = internal::convert_half<big_endian>(v); } | |
695 | ||
696 | void | |
697 | put_e_phentsize(Elf_Half v) | |
698 | { this->p_->e_phentsize = internal::convert_half<big_endian>(v); } | |
699 | ||
700 | void | |
701 | put_e_phnum(Elf_Half v) | |
702 | { this->p_->e_phnum = internal::convert_half<big_endian>(v); } | |
703 | ||
704 | void | |
705 | put_e_shentsize(Elf_Half v) | |
706 | { this->p_->e_shentsize = internal::convert_half<big_endian>(v); } | |
707 | ||
708 | void | |
709 | put_e_shnum(Elf_Half v) | |
710 | { this->p_->e_shnum = internal::convert_half<big_endian>(v); } | |
711 | ||
712 | void | |
713 | put_e_shstrndx(Elf_Half v) | |
714 | { this->p_->e_shstrndx = internal::convert_half<big_endian>(v); } | |
715 | ||
716 | private: | |
717 | internal::Ehdr_data<size>* p_; | |
718 | }; | |
719 | ||
bae7f79e ILT |
720 | // Accessor class for an ELF section header. |
721 | ||
722 | template<int size, bool big_endian> | |
723 | class Shdr | |
724 | { | |
725 | public: | |
726 | Shdr(const unsigned char* p) | |
727 | : p_(reinterpret_cast<const internal::Shdr_data<size>*>(p)) | |
728 | { } | |
729 | ||
730 | Elf_Word | |
731 | get_sh_name() const | |
732 | { return internal::convert_word<big_endian>(this->p_->sh_name); } | |
733 | ||
734 | Elf_Word | |
735 | get_sh_type() const | |
736 | { return internal::convert_word<big_endian>(this->p_->sh_type); } | |
737 | ||
738 | typename Elf_types<size>::Elf_WXword | |
739 | get_sh_flags() const | |
740 | { return internal::convert_wxword<size, big_endian>(this->p_->sh_flags); } | |
741 | ||
742 | typename Elf_types<size>::Elf_Addr | |
743 | get_sh_addr() const | |
744 | { return internal::convert_addr<size, big_endian>(this->p_->sh_addr); } | |
745 | ||
746 | typename Elf_types<size>::Elf_Off | |
747 | get_sh_offset() const | |
748 | { return internal::convert_off<size, big_endian>(this->p_->sh_offset); } | |
749 | ||
750 | typename Elf_types<size>::Elf_WXword | |
751 | get_sh_size() const | |
752 | { return internal::convert_wxword<size, big_endian>(this->p_->sh_size); } | |
753 | ||
754 | Elf_Word | |
755 | get_sh_link() const | |
756 | { return internal::convert_word<big_endian>(this->p_->sh_link); } | |
757 | ||
758 | Elf_Word | |
759 | get_sh_info() const | |
760 | { return internal::convert_word<big_endian>(this->p_->sh_info); } | |
761 | ||
762 | typename Elf_types<size>::Elf_WXword | |
763 | get_sh_addralign() const | |
764 | { return | |
765 | internal::convert_wxword<size, big_endian>(this->p_->sh_addralign); } | |
766 | ||
767 | typename Elf_types<size>::Elf_WXword | |
768 | get_sh_entsize() const | |
769 | { return internal::convert_wxword<size, big_endian>(this->p_->sh_entsize); } | |
770 | ||
771 | private: | |
772 | const internal::Shdr_data<size>* p_; | |
773 | }; | |
774 | ||
61ba1cf9 ILT |
775 | // Write class for an ELF section header. |
776 | ||
777 | template<int size, bool big_endian> | |
778 | class Shdr_write | |
779 | { | |
780 | public: | |
781 | Shdr_write(unsigned char* p) | |
782 | : p_(reinterpret_cast<internal::Shdr_data<size>*>(p)) | |
783 | { } | |
784 | ||
785 | void | |
786 | put_sh_name(Elf_Word v) | |
787 | { this->p_->sh_name = internal::convert_word<big_endian>(v); } | |
788 | ||
789 | void | |
790 | put_sh_type(Elf_Word v) | |
791 | { this->p_->sh_type = internal::convert_word<big_endian>(v); } | |
792 | ||
793 | void | |
794 | put_sh_flags(typename Elf_types<size>::Elf_WXword v) | |
795 | { this->p_->sh_flags = internal::convert_wxword<size, big_endian>(v); } | |
796 | ||
797 | void | |
798 | put_sh_addr(typename Elf_types<size>::Elf_Addr v) | |
799 | { this->p_->sh_addr = internal::convert_addr<size, big_endian>(v); } | |
800 | ||
801 | void | |
802 | put_sh_offset(typename Elf_types<size>::Elf_Off v) | |
803 | { this->p_->sh_offset = internal::convert_off<size, big_endian>(v); } | |
804 | ||
805 | void | |
806 | put_sh_size(typename Elf_types<size>::Elf_WXword v) | |
807 | { this->p_->sh_size = internal::convert_wxword<size, big_endian>(v); } | |
808 | ||
809 | void | |
810 | put_sh_link(Elf_Word v) | |
811 | { this->p_->sh_link = internal::convert_word<big_endian>(v); } | |
812 | ||
813 | void | |
814 | put_sh_info(Elf_Word v) | |
815 | { this->p_->sh_info = internal::convert_word<big_endian>(v); } | |
816 | ||
817 | void | |
818 | put_sh_addralign(typename Elf_types<size>::Elf_WXword v) | |
819 | { this->p_->sh_addralign = internal::convert_wxword<size, big_endian>(v); } | |
820 | ||
821 | void | |
822 | put_sh_entsize(typename Elf_types<size>::Elf_WXword v) | |
823 | { this->p_->sh_entsize = internal::convert_wxword<size, big_endian>(v); } | |
824 | ||
825 | private: | |
826 | internal::Shdr_data<size>* p_; | |
827 | }; | |
828 | ||
39081c14 ILT |
829 | // Accessor class for an ELF segment header. |
830 | ||
831 | template<int size, bool big_endian> | |
832 | class Phdr | |
833 | { | |
834 | public: | |
835 | Phdr(const unsigned char* p) | |
836 | : p_(reinterpret_cast<const internal::Phdr_data<size>*>(p)) | |
837 | { } | |
838 | ||
839 | Elf_Word | |
840 | get_p_type() const | |
841 | { return internal::convert_word<big_endian>(this->p_->p_type); } | |
842 | ||
843 | typename Elf_types<size>::Elf_Off | |
844 | get_p_offset() const | |
845 | { return internal::convert_off<size, big_endian>(this->p_->p_offset); } | |
846 | ||
847 | typename Elf_types<size>::Elf_Addr | |
848 | get_p_vaddr() const | |
849 | { return internal::convert_addr<size, big_endian>(this->p_->p_vaddr); } | |
850 | ||
851 | typename Elf_types<size>::Elf_Addr | |
852 | get_p_paddr() const | |
853 | { return internal::convert_addr<size, big_endian>(this->p_->p_paddr); } | |
854 | ||
855 | typename Elf_types<size>::Elf_WXword | |
856 | get_p_filesz() const | |
857 | { return internal::convert_wxword<size, big_endian>(this->p_->p_filesz); } | |
858 | ||
859 | typename Elf_types<size>::Elf_WXword | |
860 | get_p_memsz() const | |
861 | { return internal::convert_wxword<size, big_endian>(this->p_->p_memsz); } | |
862 | ||
863 | Elf_Word | |
864 | get_p_flags() const | |
865 | { return internal::convert_word<big_endian>(this->p_->p_flags); } | |
866 | ||
867 | typename Elf_types<size>::Elf_WXword | |
868 | get_p_align() const | |
869 | { return internal::convert_wxword<size, big_endian>(this->p_->p_align); } | |
870 | ||
871 | private: | |
872 | const internal::Phdr_data<size>* p_; | |
873 | }; | |
874 | ||
61ba1cf9 ILT |
875 | // Write class for an ELF segment header. |
876 | ||
877 | template<int size, bool big_endian> | |
878 | class Phdr_write | |
879 | { | |
880 | public: | |
881 | Phdr_write(unsigned char* p) | |
882 | : p_(reinterpret_cast<internal::Phdr_data<size>*>(p)) | |
883 | { } | |
884 | ||
885 | void | |
886 | put_p_type(Elf_Word v) | |
887 | { this->p_->p_type = internal::convert_word<big_endian>(v); } | |
888 | ||
889 | void | |
890 | put_p_offset(typename Elf_types<size>::Elf_Off v) | |
891 | { this->p_->p_offset = internal::convert_off<size, big_endian>(v); } | |
892 | ||
893 | void | |
894 | put_p_vaddr(typename Elf_types<size>::Elf_Addr v) | |
895 | { this->p_->p_vaddr = internal::convert_addr<size, big_endian>(v); } | |
896 | ||
897 | void | |
898 | put_p_paddr(typename Elf_types<size>::Elf_Addr v) | |
899 | { this->p_->p_paddr = internal::convert_addr<size, big_endian>(v); } | |
900 | ||
901 | void | |
902 | put_p_filesz(typename Elf_types<size>::Elf_WXword v) | |
903 | { this->p_->p_filesz = internal::convert_wxword<size, big_endian>(v); } | |
904 | ||
905 | void | |
906 | put_p_memsz(typename Elf_types<size>::Elf_WXword v) | |
907 | { this->p_->p_memsz = internal::convert_wxword<size, big_endian>(v); } | |
908 | ||
909 | void | |
910 | put_p_flags(Elf_Word v) | |
911 | { this->p_->p_flags = internal::convert_word<big_endian>(v); } | |
912 | ||
913 | void | |
914 | put_p_align(typename Elf_types<size>::Elf_WXword v) | |
915 | { this->p_->p_align = internal::convert_wxword<size, big_endian>(v); } | |
916 | ||
917 | private: | |
918 | internal::Phdr_data<size>* p_; | |
919 | }; | |
920 | ||
bae7f79e ILT |
921 | // Accessor class for an ELF symbol table entry. |
922 | ||
923 | template<int size, bool big_endian> | |
924 | class Sym | |
925 | { | |
926 | public: | |
927 | Sym(const unsigned char* p) | |
928 | : p_(reinterpret_cast<const internal::Sym_data<size>*>(p)) | |
929 | { } | |
930 | ||
931 | Elf_Word | |
932 | get_st_name() const | |
933 | { return internal::convert_word<big_endian>(this->p_->st_name); } | |
934 | ||
935 | typename Elf_types<size>::Elf_Addr | |
936 | get_st_value() const | |
937 | { return internal::convert_addr<size, big_endian>(this->p_->st_value); } | |
938 | ||
939 | typename Elf_types<size>::Elf_WXword | |
940 | get_st_size() const | |
14bfc3f5 | 941 | { return internal::convert_wxword<size, big_endian>(this->p_->st_size); } |
bae7f79e ILT |
942 | |
943 | unsigned char | |
944 | get_st_info() const | |
945 | { return this->p_->st_info; } | |
946 | ||
14bfc3f5 ILT |
947 | STB |
948 | get_st_bind() const | |
949 | { return elf_st_bind(this->get_st_info()); } | |
950 | ||
951 | STT | |
952 | get_st_type() const | |
953 | { return elf_st_type(this->get_st_info()); } | |
954 | ||
bae7f79e ILT |
955 | unsigned char |
956 | get_st_other() const | |
957 | { return this->p_->st_other; } | |
958 | ||
14bfc3f5 ILT |
959 | STV |
960 | get_st_visibility() const | |
961 | { return elf_st_visibility(this->get_st_other()); } | |
962 | ||
963 | unsigned char | |
964 | get_st_nonvis() const | |
965 | { return elf_st_nonvis(this->get_st_other()); } | |
966 | ||
bae7f79e ILT |
967 | Elf_Half |
968 | get_st_shndx() const | |
969 | { return internal::convert_half<big_endian>(this->p_->st_shndx); } | |
970 | ||
971 | private: | |
972 | const internal::Sym_data<size>* p_; | |
973 | }; | |
974 | ||
1564db8d ILT |
975 | // Writer class for an ELF symbol table entry. |
976 | ||
977 | template<int size, bool big_endian> | |
978 | class Sym_write | |
979 | { | |
980 | public: | |
981 | Sym_write(unsigned char* p) | |
982 | : p_(reinterpret_cast<internal::Sym_data<size>*>(p)) | |
983 | { } | |
984 | ||
985 | void | |
986 | put_st_name(Elf_Word v) | |
987 | { this->p_->st_name = internal::convert_word<big_endian>(v); } | |
988 | ||
989 | void | |
990 | put_st_value(typename Elf_types<size>::Elf_Addr v) | |
991 | { this->p_->st_value = internal::convert_addr<size, big_endian>(v); } | |
992 | ||
993 | void | |
994 | put_st_size(typename Elf_types<size>::Elf_WXword v) | |
995 | { this->p_->st_size = internal::convert_wxword<size, big_endian>(v); } | |
996 | ||
997 | void | |
998 | put_st_info(unsigned char v) | |
999 | { this->p_->st_info = v; } | |
1000 | ||
1001 | void | |
1002 | put_st_info(STB bind, STT type) | |
1003 | { this->p_->st_info = elf_st_info(bind, type); } | |
1004 | ||
1005 | void | |
1006 | put_st_other(unsigned char v) | |
1007 | { this->p_->st_other = v; } | |
1008 | ||
1009 | void | |
1010 | put_st_other(STV vis, unsigned char nonvis) | |
1011 | { this->p_->st_other = elf_st_other(vis, nonvis); } | |
1012 | ||
1013 | void | |
1014 | put_st_shndx(Elf_Half v) | |
1015 | { this->p_->st_shndx = internal::convert_half<big_endian>(v); } | |
1016 | ||
1017 | Sym<size, big_endian> | |
1018 | sym() | |
1019 | { return Sym<size, big_endian>(reinterpret_cast<unsigned char*>(this->p_)); } | |
1020 | ||
1021 | private: | |
1022 | internal::Sym_data<size>* p_; | |
1023 | }; | |
1024 | ||
61ba1cf9 ILT |
1025 | // Accessor classes for Elf relocation table entries. |
1026 | ||
1027 | template<int size, bool big_endian> | |
1028 | class Rel | |
1029 | { | |
1030 | public: | |
1031 | Rel(const unsigned char* p) | |
1032 | : p_(reinterpret_cast<const internal::Rel_data<size>*>(p)) | |
1033 | { } | |
1034 | ||
1035 | typename Elf_types<size>::Elf_Addr | |
1036 | get_r_offset() const | |
1037 | { return internal::convert_addr<size, big_endian>(this->p_->r_offset); } | |
1038 | ||
1039 | typename Elf_types<size>::Elf_WXword | |
1040 | get_r_info() const | |
1041 | { return internal::convert_wxword<size, big_endian>(this->p_->r_info); } | |
1042 | ||
1043 | private: | |
1044 | const internal::Rel_data<size>* p_; | |
1045 | }; | |
1046 | ||
1047 | template<int size, bool big_endian> | |
1048 | class Rela | |
1049 | { | |
1050 | public: | |
1051 | Rela(const unsigned char* p) | |
1052 | : p_(reinterpret_cast<const internal::Rela_data<size>*>(p)) | |
1053 | { } | |
1054 | ||
1055 | typename Elf_types<size>::Elf_Addr | |
1056 | get_r_offset() const | |
1057 | { return internal::convert_addr<size, big_endian>(this->p_->r_offset); } | |
1058 | ||
1059 | typename Elf_types<size>::Elf_WXword | |
1060 | get_r_info() const | |
1061 | { return internal::convert_wxword<size, big_endian>(this->p_->r_info); } | |
1062 | ||
1063 | typename Elf_types<size>::Elf_Swxword | |
1064 | get_r_addend() const | |
1065 | { return internal::convert_swxword<size, big_endian>(this->p_->r_addend); } | |
1066 | ||
1067 | private: | |
1068 | const internal::Rela_data<size>* p_; | |
1069 | }; | |
1070 | ||
bae7f79e ILT |
1071 | } // End namespace elfcpp. |
1072 | ||
1073 | #endif // !defined(ELFPCP_H) |