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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 | ||
bae7f79e ILT |
533 | } // End namespace elfcpp. |
534 | ||
535 | // Include internal details after defining the types. | |
536 | #include "elfcpp_internal.h" | |
537 | ||
538 | namespace elfcpp | |
539 | { | |
540 | ||
541 | // The offset of the ELF file header in the ELF file. | |
542 | ||
543 | const int file_header_offset = 0; | |
544 | ||
545 | // ELF structure sizes. | |
546 | ||
547 | template<int size> | |
548 | struct Elf_sizes | |
549 | { | |
550 | // Size of ELF file header. | |
551 | static const int ehdr_size = sizeof(internal::Ehdr_data<size>); | |
61ba1cf9 ILT |
552 | // Size of ELF segment header. |
553 | static const int phdr_size = sizeof(internal::Phdr_data<size>); | |
bae7f79e ILT |
554 | // Size of ELF section header. |
555 | static const int shdr_size = sizeof(internal::Shdr_data<size>); | |
556 | // Size of ELF symbol table entry. | |
557 | static const int sym_size = sizeof(internal::Sym_data<size>); | |
61ba1cf9 ILT |
558 | // Sizes of ELF reloc entries. |
559 | static const int rel_size = sizeof(internal::Rel_data<size>); | |
560 | static const int rela_size = sizeof(internal::Rela_data<size>); | |
bae7f79e ILT |
561 | }; |
562 | ||
563 | // Accessor class for the ELF file header. | |
564 | ||
565 | template<int size, bool big_endian> | |
566 | class Ehdr | |
567 | { | |
568 | public: | |
569 | Ehdr(const unsigned char* p) | |
570 | : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(p)) | |
571 | { } | |
572 | ||
573 | const unsigned char* | |
574 | get_e_ident() const | |
575 | { return this->p_->e_ident; } | |
576 | ||
577 | Elf_Half | |
578 | get_e_type() const | |
8d9455b4 | 579 | { return Convert<16, big_endian>::convert_host(this->p_->e_type); } |
bae7f79e ILT |
580 | |
581 | Elf_Half | |
582 | get_e_machine() const | |
8d9455b4 | 583 | { return Convert<16, big_endian>::convert_host(this->p_->e_machine); } |
bae7f79e ILT |
584 | |
585 | Elf_Word | |
586 | get_e_version() const | |
8d9455b4 | 587 | { return Convert<32, big_endian>::convert_host(this->p_->e_version); } |
bae7f79e ILT |
588 | |
589 | typename Elf_types<size>::Elf_Addr | |
590 | get_e_entry() const | |
8d9455b4 | 591 | { return Convert<size, big_endian>::convert_host(this->p_->e_entry); } |
bae7f79e ILT |
592 | |
593 | typename Elf_types<size>::Elf_Off | |
594 | get_e_phoff() const | |
8d9455b4 | 595 | { return Convert<size, big_endian>::convert_host(this->p_->e_phoff); } |
bae7f79e ILT |
596 | |
597 | typename Elf_types<size>::Elf_Off | |
598 | get_e_shoff() const | |
8d9455b4 | 599 | { return Convert<size, big_endian>::convert_host(this->p_->e_shoff); } |
bae7f79e ILT |
600 | |
601 | Elf_Word | |
602 | get_e_flags() const | |
8d9455b4 | 603 | { return Convert<32, big_endian>::convert_host(this->p_->e_flags); } |
bae7f79e ILT |
604 | |
605 | Elf_Half | |
606 | get_e_ehsize() const | |
8d9455b4 | 607 | { return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); } |
bae7f79e ILT |
608 | |
609 | Elf_Half | |
610 | get_e_phentsize() const | |
8d9455b4 | 611 | { return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); } |
bae7f79e ILT |
612 | |
613 | Elf_Half | |
614 | get_e_phnum() const | |
8d9455b4 | 615 | { return Convert<16, big_endian>::convert_host(this->p_->e_phnum); } |
bae7f79e ILT |
616 | |
617 | Elf_Half | |
618 | get_e_shentsize() const | |
8d9455b4 | 619 | { return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); } |
bae7f79e ILT |
620 | |
621 | Elf_Half | |
622 | get_e_shnum() const | |
8d9455b4 | 623 | { return Convert<16, big_endian>::convert_host(this->p_->e_shnum); } |
bae7f79e ILT |
624 | |
625 | Elf_Half | |
626 | get_e_shstrndx() const | |
8d9455b4 | 627 | { return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); } |
bae7f79e ILT |
628 | |
629 | private: | |
630 | const internal::Ehdr_data<size>* p_; | |
631 | }; | |
632 | ||
61ba1cf9 ILT |
633 | // Write class for the ELF file header. |
634 | ||
635 | template<int size, bool big_endian> | |
636 | class Ehdr_write | |
637 | { | |
638 | public: | |
639 | Ehdr_write(unsigned char* p) | |
640 | : p_(reinterpret_cast<internal::Ehdr_data<size>*>(p)) | |
641 | { } | |
642 | ||
643 | void | |
644 | put_e_ident(const unsigned char v[EI_NIDENT]) const | |
645 | { memcpy(this->p_->e_ident, v, EI_NIDENT); } | |
646 | ||
647 | void | |
648 | put_e_type(Elf_Half v) | |
8d9455b4 | 649 | { this->p_->e_type = Convert<16, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
650 | |
651 | void | |
652 | put_e_machine(Elf_Half v) | |
8d9455b4 | 653 | { this->p_->e_machine = Convert<16, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
654 | |
655 | void | |
656 | put_e_version(Elf_Word v) | |
8d9455b4 | 657 | { this->p_->e_version = Convert<32, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
658 | |
659 | void | |
660 | put_e_entry(typename Elf_types<size>::Elf_Addr v) | |
8d9455b4 | 661 | { this->p_->e_entry = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
662 | |
663 | void | |
664 | put_e_phoff(typename Elf_types<size>::Elf_Off v) | |
8d9455b4 | 665 | { this->p_->e_phoff = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
666 | |
667 | void | |
668 | put_e_shoff(typename Elf_types<size>::Elf_Off v) | |
8d9455b4 | 669 | { this->p_->e_shoff = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
670 | |
671 | void | |
672 | put_e_flags(Elf_Word v) | |
8d9455b4 | 673 | { this->p_->e_flags = Convert<32, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
674 | |
675 | void | |
676 | put_e_ehsize(Elf_Half v) | |
8d9455b4 | 677 | { this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
678 | |
679 | void | |
680 | put_e_phentsize(Elf_Half v) | |
8d9455b4 | 681 | { this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
682 | |
683 | void | |
684 | put_e_phnum(Elf_Half v) | |
8d9455b4 | 685 | { this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
686 | |
687 | void | |
688 | put_e_shentsize(Elf_Half v) | |
8d9455b4 | 689 | { this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
690 | |
691 | void | |
692 | put_e_shnum(Elf_Half v) | |
8d9455b4 | 693 | { this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
694 | |
695 | void | |
696 | put_e_shstrndx(Elf_Half v) | |
8d9455b4 | 697 | { this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
698 | |
699 | private: | |
700 | internal::Ehdr_data<size>* p_; | |
701 | }; | |
702 | ||
bae7f79e ILT |
703 | // Accessor class for an ELF section header. |
704 | ||
705 | template<int size, bool big_endian> | |
706 | class Shdr | |
707 | { | |
708 | public: | |
709 | Shdr(const unsigned char* p) | |
710 | : p_(reinterpret_cast<const internal::Shdr_data<size>*>(p)) | |
711 | { } | |
712 | ||
713 | Elf_Word | |
714 | get_sh_name() const | |
8d9455b4 | 715 | { return Convert<32, big_endian>::convert_host(this->p_->sh_name); } |
bae7f79e ILT |
716 | |
717 | Elf_Word | |
718 | get_sh_type() const | |
8d9455b4 | 719 | { return Convert<32, big_endian>::convert_host(this->p_->sh_type); } |
bae7f79e ILT |
720 | |
721 | typename Elf_types<size>::Elf_WXword | |
722 | get_sh_flags() const | |
8d9455b4 | 723 | { return Convert<size, big_endian>::convert_host(this->p_->sh_flags); } |
bae7f79e ILT |
724 | |
725 | typename Elf_types<size>::Elf_Addr | |
726 | get_sh_addr() const | |
8d9455b4 | 727 | { return Convert<size, big_endian>::convert_host(this->p_->sh_addr); } |
bae7f79e ILT |
728 | |
729 | typename Elf_types<size>::Elf_Off | |
730 | get_sh_offset() const | |
8d9455b4 | 731 | { return Convert<size, big_endian>::convert_host(this->p_->sh_offset); } |
bae7f79e ILT |
732 | |
733 | typename Elf_types<size>::Elf_WXword | |
734 | get_sh_size() const | |
8d9455b4 | 735 | { return Convert<size, big_endian>::convert_host(this->p_->sh_size); } |
bae7f79e ILT |
736 | |
737 | Elf_Word | |
738 | get_sh_link() const | |
8d9455b4 | 739 | { return Convert<32, big_endian>::convert_host(this->p_->sh_link); } |
bae7f79e ILT |
740 | |
741 | Elf_Word | |
742 | get_sh_info() const | |
8d9455b4 | 743 | { return Convert<32, big_endian>::convert_host(this->p_->sh_info); } |
bae7f79e ILT |
744 | |
745 | typename Elf_types<size>::Elf_WXword | |
746 | get_sh_addralign() const | |
747 | { return | |
8d9455b4 | 748 | Convert<size, big_endian>::convert_host(this->p_->sh_addralign); } |
bae7f79e ILT |
749 | |
750 | typename Elf_types<size>::Elf_WXword | |
751 | get_sh_entsize() const | |
8d9455b4 | 752 | { return Convert<size, big_endian>::convert_host(this->p_->sh_entsize); } |
bae7f79e ILT |
753 | |
754 | private: | |
755 | const internal::Shdr_data<size>* p_; | |
756 | }; | |
757 | ||
61ba1cf9 ILT |
758 | // Write class for an ELF section header. |
759 | ||
760 | template<int size, bool big_endian> | |
761 | class Shdr_write | |
762 | { | |
763 | public: | |
764 | Shdr_write(unsigned char* p) | |
765 | : p_(reinterpret_cast<internal::Shdr_data<size>*>(p)) | |
766 | { } | |
767 | ||
768 | void | |
769 | put_sh_name(Elf_Word v) | |
8d9455b4 | 770 | { this->p_->sh_name = Convert<32, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
771 | |
772 | void | |
773 | put_sh_type(Elf_Word v) | |
8d9455b4 | 774 | { this->p_->sh_type = Convert<32, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
775 | |
776 | void | |
777 | put_sh_flags(typename Elf_types<size>::Elf_WXword v) | |
8d9455b4 | 778 | { this->p_->sh_flags = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
779 | |
780 | void | |
781 | put_sh_addr(typename Elf_types<size>::Elf_Addr v) | |
8d9455b4 | 782 | { this->p_->sh_addr = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
783 | |
784 | void | |
785 | put_sh_offset(typename Elf_types<size>::Elf_Off v) | |
8d9455b4 | 786 | { this->p_->sh_offset = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
787 | |
788 | void | |
789 | put_sh_size(typename Elf_types<size>::Elf_WXword v) | |
8d9455b4 | 790 | { this->p_->sh_size = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
791 | |
792 | void | |
793 | put_sh_link(Elf_Word v) | |
8d9455b4 | 794 | { this->p_->sh_link = Convert<32, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
795 | |
796 | void | |
797 | put_sh_info(Elf_Word v) | |
8d9455b4 | 798 | { this->p_->sh_info = Convert<32, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
799 | |
800 | void | |
801 | put_sh_addralign(typename Elf_types<size>::Elf_WXword v) | |
8d9455b4 | 802 | { this->p_->sh_addralign = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
803 | |
804 | void | |
805 | put_sh_entsize(typename Elf_types<size>::Elf_WXword v) | |
8d9455b4 | 806 | { this->p_->sh_entsize = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
807 | |
808 | private: | |
809 | internal::Shdr_data<size>* p_; | |
810 | }; | |
811 | ||
39081c14 ILT |
812 | // Accessor class for an ELF segment header. |
813 | ||
814 | template<int size, bool big_endian> | |
815 | class Phdr | |
816 | { | |
817 | public: | |
818 | Phdr(const unsigned char* p) | |
819 | : p_(reinterpret_cast<const internal::Phdr_data<size>*>(p)) | |
820 | { } | |
821 | ||
822 | Elf_Word | |
823 | get_p_type() const | |
8d9455b4 | 824 | { return Convert<32, big_endian>::convert_host(this->p_->p_type); } |
39081c14 ILT |
825 | |
826 | typename Elf_types<size>::Elf_Off | |
827 | get_p_offset() const | |
8d9455b4 | 828 | { return Convert<size, big_endian>::convert_host(this->p_->p_offset); } |
39081c14 ILT |
829 | |
830 | typename Elf_types<size>::Elf_Addr | |
831 | get_p_vaddr() const | |
8d9455b4 | 832 | { return Convert<size, big_endian>::convert_host(this->p_->p_vaddr); } |
39081c14 ILT |
833 | |
834 | typename Elf_types<size>::Elf_Addr | |
835 | get_p_paddr() const | |
8d9455b4 | 836 | { return Convert<size, big_endian>::convert_host(this->p_->p_paddr); } |
39081c14 ILT |
837 | |
838 | typename Elf_types<size>::Elf_WXword | |
839 | get_p_filesz() const | |
8d9455b4 | 840 | { return Convert<size, big_endian>::convert_host(this->p_->p_filesz); } |
39081c14 ILT |
841 | |
842 | typename Elf_types<size>::Elf_WXword | |
843 | get_p_memsz() const | |
8d9455b4 | 844 | { return Convert<size, big_endian>::convert_host(this->p_->p_memsz); } |
39081c14 ILT |
845 | |
846 | Elf_Word | |
847 | get_p_flags() const | |
8d9455b4 | 848 | { return Convert<32, big_endian>::convert_host(this->p_->p_flags); } |
39081c14 ILT |
849 | |
850 | typename Elf_types<size>::Elf_WXword | |
851 | get_p_align() const | |
8d9455b4 | 852 | { return Convert<size, big_endian>::convert_host(this->p_->p_align); } |
39081c14 ILT |
853 | |
854 | private: | |
855 | const internal::Phdr_data<size>* p_; | |
856 | }; | |
857 | ||
61ba1cf9 ILT |
858 | // Write class for an ELF segment header. |
859 | ||
860 | template<int size, bool big_endian> | |
861 | class Phdr_write | |
862 | { | |
863 | public: | |
864 | Phdr_write(unsigned char* p) | |
865 | : p_(reinterpret_cast<internal::Phdr_data<size>*>(p)) | |
866 | { } | |
867 | ||
868 | void | |
869 | put_p_type(Elf_Word v) | |
8d9455b4 | 870 | { this->p_->p_type = Convert<32, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
871 | |
872 | void | |
873 | put_p_offset(typename Elf_types<size>::Elf_Off v) | |
8d9455b4 | 874 | { this->p_->p_offset = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
875 | |
876 | void | |
877 | put_p_vaddr(typename Elf_types<size>::Elf_Addr v) | |
8d9455b4 | 878 | { this->p_->p_vaddr = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
879 | |
880 | void | |
881 | put_p_paddr(typename Elf_types<size>::Elf_Addr v) | |
8d9455b4 | 882 | { this->p_->p_paddr = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
883 | |
884 | void | |
885 | put_p_filesz(typename Elf_types<size>::Elf_WXword v) | |
8d9455b4 | 886 | { this->p_->p_filesz = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
887 | |
888 | void | |
889 | put_p_memsz(typename Elf_types<size>::Elf_WXword v) | |
8d9455b4 | 890 | { this->p_->p_memsz = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
891 | |
892 | void | |
893 | put_p_flags(Elf_Word v) | |
8d9455b4 | 894 | { this->p_->p_flags = Convert<32, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
895 | |
896 | void | |
897 | put_p_align(typename Elf_types<size>::Elf_WXword v) | |
8d9455b4 | 898 | { this->p_->p_align = Convert<size, big_endian>::convert_host(v); } |
61ba1cf9 ILT |
899 | |
900 | private: | |
901 | internal::Phdr_data<size>* p_; | |
902 | }; | |
903 | ||
bae7f79e ILT |
904 | // Accessor class for an ELF symbol table entry. |
905 | ||
906 | template<int size, bool big_endian> | |
907 | class Sym | |
908 | { | |
909 | public: | |
910 | Sym(const unsigned char* p) | |
911 | : p_(reinterpret_cast<const internal::Sym_data<size>*>(p)) | |
912 | { } | |
913 | ||
914 | Elf_Word | |
915 | get_st_name() const | |
8d9455b4 | 916 | { return Convert<32, big_endian>::convert_host(this->p_->st_name); } |
bae7f79e ILT |
917 | |
918 | typename Elf_types<size>::Elf_Addr | |
919 | get_st_value() const | |
8d9455b4 | 920 | { return Convert<size, big_endian>::convert_host(this->p_->st_value); } |
bae7f79e ILT |
921 | |
922 | typename Elf_types<size>::Elf_WXword | |
923 | get_st_size() const | |
8d9455b4 | 924 | { return Convert<size, big_endian>::convert_host(this->p_->st_size); } |
bae7f79e ILT |
925 | |
926 | unsigned char | |
927 | get_st_info() const | |
928 | { return this->p_->st_info; } | |
929 | ||
14bfc3f5 ILT |
930 | STB |
931 | get_st_bind() const | |
932 | { return elf_st_bind(this->get_st_info()); } | |
933 | ||
934 | STT | |
935 | get_st_type() const | |
936 | { return elf_st_type(this->get_st_info()); } | |
937 | ||
bae7f79e ILT |
938 | unsigned char |
939 | get_st_other() const | |
940 | { return this->p_->st_other; } | |
941 | ||
14bfc3f5 ILT |
942 | STV |
943 | get_st_visibility() const | |
944 | { return elf_st_visibility(this->get_st_other()); } | |
945 | ||
946 | unsigned char | |
947 | get_st_nonvis() const | |
948 | { return elf_st_nonvis(this->get_st_other()); } | |
949 | ||
bae7f79e ILT |
950 | Elf_Half |
951 | get_st_shndx() const | |
8d9455b4 | 952 | { return Convert<16, big_endian>::convert_host(this->p_->st_shndx); } |
bae7f79e ILT |
953 | |
954 | private: | |
955 | const internal::Sym_data<size>* p_; | |
956 | }; | |
957 | ||
1564db8d ILT |
958 | // Writer class for an ELF symbol table entry. |
959 | ||
960 | template<int size, bool big_endian> | |
961 | class Sym_write | |
962 | { | |
963 | public: | |
964 | Sym_write(unsigned char* p) | |
965 | : p_(reinterpret_cast<internal::Sym_data<size>*>(p)) | |
966 | { } | |
967 | ||
968 | void | |
969 | put_st_name(Elf_Word v) | |
8d9455b4 | 970 | { this->p_->st_name = Convert<32, big_endian>::convert_host(v); } |
1564db8d ILT |
971 | |
972 | void | |
973 | put_st_value(typename Elf_types<size>::Elf_Addr v) | |
8d9455b4 | 974 | { this->p_->st_value = Convert<size, big_endian>::convert_host(v); } |
1564db8d ILT |
975 | |
976 | void | |
977 | put_st_size(typename Elf_types<size>::Elf_WXword v) | |
8d9455b4 | 978 | { this->p_->st_size = Convert<size, big_endian>::convert_host(v); } |
1564db8d ILT |
979 | |
980 | void | |
981 | put_st_info(unsigned char v) | |
982 | { this->p_->st_info = v; } | |
983 | ||
984 | void | |
985 | put_st_info(STB bind, STT type) | |
986 | { this->p_->st_info = elf_st_info(bind, type); } | |
987 | ||
988 | void | |
989 | put_st_other(unsigned char v) | |
990 | { this->p_->st_other = v; } | |
991 | ||
992 | void | |
993 | put_st_other(STV vis, unsigned char nonvis) | |
994 | { this->p_->st_other = elf_st_other(vis, nonvis); } | |
995 | ||
996 | void | |
997 | put_st_shndx(Elf_Half v) | |
8d9455b4 | 998 | { this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); } |
1564db8d ILT |
999 | |
1000 | Sym<size, big_endian> | |
1001 | sym() | |
1002 | { return Sym<size, big_endian>(reinterpret_cast<unsigned char*>(this->p_)); } | |
1003 | ||
1004 | private: | |
1005 | internal::Sym_data<size>* p_; | |
1006 | }; | |
1007 | ||
61ba1cf9 ILT |
1008 | // Accessor classes for Elf relocation table entries. |
1009 | ||
1010 | template<int size, bool big_endian> | |
1011 | class Rel | |
1012 | { | |
1013 | public: | |
1014 | Rel(const unsigned char* p) | |
1015 | : p_(reinterpret_cast<const internal::Rel_data<size>*>(p)) | |
1016 | { } | |
1017 | ||
1018 | typename Elf_types<size>::Elf_Addr | |
1019 | get_r_offset() const | |
8d9455b4 | 1020 | { return Convert<size, big_endian>::convert_host(this->p_->r_offset); } |
61ba1cf9 ILT |
1021 | |
1022 | typename Elf_types<size>::Elf_WXword | |
1023 | get_r_info() const | |
8d9455b4 | 1024 | { return Convert<size, big_endian>::convert_host(this->p_->r_info); } |
61ba1cf9 ILT |
1025 | |
1026 | private: | |
1027 | const internal::Rel_data<size>* p_; | |
1028 | }; | |
1029 | ||
1030 | template<int size, bool big_endian> | |
1031 | class Rela | |
1032 | { | |
1033 | public: | |
1034 | Rela(const unsigned char* p) | |
1035 | : p_(reinterpret_cast<const internal::Rela_data<size>*>(p)) | |
1036 | { } | |
1037 | ||
1038 | typename Elf_types<size>::Elf_Addr | |
1039 | get_r_offset() const | |
8d9455b4 | 1040 | { return Convert<size, big_endian>::convert_host(this->p_->r_offset); } |
61ba1cf9 ILT |
1041 | |
1042 | typename Elf_types<size>::Elf_WXword | |
1043 | get_r_info() const | |
8d9455b4 | 1044 | { return Convert<size, big_endian>::convert_host(this->p_->r_info); } |
61ba1cf9 ILT |
1045 | |
1046 | typename Elf_types<size>::Elf_Swxword | |
1047 | get_r_addend() const | |
8d9455b4 | 1048 | { return Convert<size, big_endian>::convert_host(this->p_->r_addend); } |
61ba1cf9 ILT |
1049 | |
1050 | private: | |
1051 | const internal::Rela_data<size>* p_; | |
1052 | }; | |
1053 | ||
bae7f79e ILT |
1054 | } // End namespace elfcpp. |
1055 | ||
1056 | #endif // !defined(ELFPCP_H) |