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76466873 NC |
1 | /* readelf.c -- display contents of an ELF format file |
2 | Copyright (C) 1998 Free Software Foundation, Inc. | |
3 | ||
4 | Originally developed by Eric Youngdale <eric@andante.jic.com> | |
5 | Modifications by Nick Clifton <nickc@cygnus.com> | |
6 | ||
7 | This file is part of GNU Binutils. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
22 | 02111-1307, USA. */ | |
23 | \f | |
24 | ||
25 | #include <assert.h> | |
26 | #include <sys/mman.h> | |
76466873 | 27 | #include <sys/stat.h> |
76466873 NC |
28 | |
29 | #include "readelf.h" | |
76466873 | 30 | #include "bucomm.h" |
c18f8aef | 31 | #include "getopt.h" |
76466873 NC |
32 | |
33 | #ifdef ANSI_PROTOTYPES | |
34 | #include <stdarg.h> | |
35 | #else | |
36 | #include <varargs.h> | |
37 | #endif | |
38 | ||
39 | unsigned int dynamic_addr; | |
40 | unsigned int dynamic_size; | |
41 | char * pint = ""; | |
42 | char * program_name = "readelf"; | |
43 | ||
44 | int dynamic_info [DT_JMPREL + 1]; | |
45 | int version_info [16]; | |
46 | ||
47 | int must_swap = 0; | |
48 | ||
49 | unsigned int rel_size; | |
50 | int loadaddr = -1; | |
51 | ||
52 | unsigned int rela_addr; | |
53 | unsigned int rela_size; | |
54 | char * strtab; | |
55 | int symtab_index; | |
56 | int lastmapped; | |
57 | char * header; | |
58 | ||
59 | Elf_Dyn * dpnt; | |
60 | Elf_Rel * rpnt; | |
61 | Elf_Shdr * elf_sections; | |
62 | Elf_Ehdr * epnt; | |
63 | Elf_Sym * symtab; | |
64 | ||
65 | int show_name; | |
66 | int do_dynamic; | |
67 | int do_syms; | |
68 | int do_reloc; | |
69 | int do_section; | |
70 | int do_load; | |
71 | int do_using_dynamic; | |
72 | int do_header; | |
73 | int do_dump; | |
74 | int do_version; | |
75 | long int expected_endian; | |
76 | ||
77 | char * dyntype[] = | |
78 | { | |
79 | "NULL", "NEEDED","PLTRELSZ","PLTGOT","HASH","STRTAB","SYMTAB","RELA", | |
80 | "RELASZ","RELAENT","STRSZ","SYMENT","INIT","FINI","SONAME","RPATH", | |
81 | "SYMBOLIC","REL","RELSZ","RELENT","PLTREL","DEBUG","TEXTREL","JMPREL" | |
82 | }; | |
83 | ||
84 | char * vertype[] = | |
85 | { | |
86 | "VERNEEDNUM", "VERNEED", "VERDEFNUM", "VERDEF", | |
87 | "", "", "", "", "", "", "", "", "", "", "", "VERSYM" | |
88 | }; | |
89 | ||
90 | char * filtertype[] = | |
91 | { | |
92 | "FILTER", "USED", "AUXILIARY" | |
93 | }; | |
94 | ||
95 | ||
96 | char * sttinfo[] = {"NOTYPE","OBJECT","FUNC","SECTION","FILE"}; | |
97 | char * stbinfo[] = {"LOCAL","GLOBAL","WEAK"}; | |
98 | ||
99 | #define SECTION_NAME(X) (& header [lastmapped + (X)->sh_name]) | |
100 | ||
101 | #define NUM_DUMP_SECTS 100 | |
102 | char dump_sects [NUM_DUMP_SECTS]; | |
103 | #define HEX_DUMP 1 | |
104 | #define DISASS_DUMP 2 | |
105 | ||
106 | /* Forward declarations for dumb compilers. */ | |
107 | static char * get_i386_rel_type PARAMS ((bfd_vma rtype)); | |
108 | static char * get_m68k_rel_type PARAMS ((bfd_vma rtype)); | |
109 | static char * get_sparc_rel_type PARAMS ((bfd_vma rtype)); | |
110 | static char * get_m32r_rel_type PARAMS ((bfd_vma rtype)); | |
111 | static char * get_v850_rel_type PARAMS ((bfd_vma rtype)); | |
112 | static char * get_d10v_rel_type PARAMS ((bfd_vma rtype)); | |
113 | static char * get_d30v_rel_type PARAMS ((bfd_vma rtype)); | |
114 | static char * get_sh_rel_type PARAMS ((bfd_vma rtype)); | |
115 | static char * get_mn10300_rel_type PARAMS ((bfd_vma rtype)); | |
116 | static char * get_mn10200_rel_type PARAMS ((bfd_vma rtype)); | |
a09db9ba | 117 | static char * get_ppc_rel_type PARAMS ((bfd_vma rtype)); |
76466873 | 118 | static void dump_relocations PARAMS ((Elf_Rel * rpnt, int rel_size)); |
a09db9ba MM |
119 | static char * get_file_type PARAMS ((unsigned e_type)); |
120 | static char * get_machine_name PARAMS ((unsigned e_machine)); | |
121 | static char * get_machine_data PARAMS ((unsigned e_data)); | |
122 | static char * get_machine_flags PARAMS ((unsigned e_flags, unsigned e_machine)); | |
76466873 NC |
123 | static char * get_segment_type PARAMS ((unsigned long p_type)); |
124 | static char * get_section_type_name PARAMS ((unsigned int sh_type)); | |
125 | static void usage PARAMS ((void)); | |
126 | static void parse_args PARAMS ((int argc, char ** argv)); | |
127 | static int process_elf_header PARAMS ((void)); | |
128 | static void process_program_headers PARAMS ((void)); | |
129 | static void process_section_headers PARAMS ((void)); | |
130 | static void process_dynamic_segment PARAMS ((void)); | |
131 | static void process_symbol_table PARAMS ((void)); | |
132 | static void process_section_contents PARAMS ((void)); | |
133 | static void process_file PARAMS ((char * file_name)); | |
134 | ||
135 | ||
136 | #define SWAP2(val) ( (((val) << 8) & (0xff << 8)) \ | |
137 | | (((val) >> 8) & (0xff << 0))) | |
138 | ||
139 | #define SWAP4(val) ( (((val) << 24) & (0xff << 24)) \ | |
140 | | (((val) << 8) & (0xff << 16)) \ | |
141 | | (((val) >> 8) & (0xff << 8)) \ | |
142 | | (((val) >> 24) & (0xff << 0))) | |
143 | ||
144 | /* Warning: This macro assumes 8 bits in a char. */ | |
145 | #define BYTE_SWAP(pointer, field) \ | |
146 | if (sizeof ((pointer)->field) == 2) \ | |
147 | { \ | |
148 | unsigned short val = (pointer)->field ; \ | |
149 | new_header->field = SWAP2 (val); \ | |
150 | } \ | |
151 | else if (sizeof ((pointer)->field) != 4) \ | |
152 | abort (); \ | |
153 | else \ | |
154 | { \ | |
155 | unsigned long val = (pointer)->field ; \ | |
156 | new_header->field = SWAP4 (val); \ | |
157 | } | |
158 | ||
159 | ||
160 | #ifdef ANSI_PROTOTYPES | |
161 | static void | |
162 | error (const char * message, ...) | |
163 | { | |
164 | va_list args; | |
165 | ||
166 | fprintf (stderr, _("%s: Error: "), program_name); | |
167 | va_start (args, message); | |
168 | vfprintf (stderr, message, args); | |
169 | va_end (args); | |
170 | return; | |
171 | } | |
172 | ||
173 | static void | |
174 | warn (const char * message, ...) | |
175 | { | |
176 | va_list args; | |
177 | ||
178 | fprintf (stderr, _("%s: Warning: "), program_name); | |
179 | va_start (args, message); | |
180 | vfprintf (stderr, message, args); | |
181 | va_end (args); | |
182 | return; | |
183 | } | |
184 | #else | |
185 | static void | |
186 | error (va_alist) | |
187 | { | |
188 | char * message; | |
189 | va_list args; | |
190 | ||
191 | fprintf (stderr, _("%s: Error: "), program_name); | |
192 | va_start (args); | |
193 | message = va_arg (args, char *); | |
194 | vfprintf (stderr, message, args); | |
195 | va_end (args); | |
196 | return; | |
197 | } | |
198 | ||
199 | static void | |
200 | warn (va_alist) | |
201 | va_dcl; | |
202 | { | |
203 | char * message; | |
204 | va_list args; | |
205 | ||
206 | fprintf (stderr, _("%s: Warning: "), program_name); | |
207 | va_start (args); | |
208 | message = va_arg (args, char *); | |
209 | vfprintf (stderr, message, args); | |
210 | va_end (args); | |
211 | return; | |
212 | } | |
213 | #endif | |
214 | ||
215 | ||
216 | static char * | |
217 | get_i386_rel_type (rtype) | |
218 | bfd_vma rtype; | |
219 | { | |
220 | switch (rtype) | |
221 | { | |
222 | case 0: return "R_386_NONE"; | |
223 | case 1: return "R_386_32"; | |
224 | case 2: return "R_386_PC32"; | |
225 | case 3: return "R_386_GOT32"; | |
226 | case 4: return "R_386_PLT32"; | |
227 | case 5: return "R_386_COPY"; | |
228 | case 6: return "R_386_GLOB_DAT"; | |
229 | case 7: return "R_386_JMP_SLOT"; | |
230 | case 8: return "R_386_RELATIVE"; | |
231 | case 9: return "R_386_GOTOFF"; | |
232 | case 10: return "R_386_GOTPC"; | |
233 | case 20: return "R_386_16"; | |
234 | case 21: return "R_386_PC16"; | |
235 | case 22: return "R_386_PC8"; | |
236 | case 23: return "R_386_max"; | |
237 | default: return _("*INVALID*"); | |
238 | } | |
239 | } | |
240 | ||
241 | static char * | |
242 | get_m68k_rel_type (rtype) | |
243 | bfd_vma rtype; | |
244 | { | |
245 | switch (rtype) | |
246 | { | |
247 | case 0: return "R_68K_NONE"; | |
248 | case 1: return "R_68K_32"; | |
249 | case 2: return "R_68K_16"; | |
250 | case 3: return "R_68K_8"; | |
251 | case 4: return "R_68K_PC32"; | |
252 | case 5: return "R_68K_PC16"; | |
253 | case 6: return "R_68K_PC8"; | |
254 | case 7: return "R_68K_GOT32"; | |
255 | case 8: return "R_68K_GOT16"; | |
256 | case 9: return "R_68K_GOT8"; | |
257 | case 10: return "R_68K_GOT32O"; | |
258 | case 11: return "R_68K_GOT16O"; | |
259 | case 12: return "R_68K_GOT8O"; | |
260 | case 13: return "R_68K_PLT32"; | |
261 | case 14: return "R_68K_PLT16"; | |
262 | case 15: return "R_68K_PLT8"; | |
263 | case 16: return "R_68K_PLT32O"; | |
264 | case 17: return "R_68K_PLT16O"; | |
265 | case 18: return "R_68K_PLT8O"; | |
266 | case 19: return "R_68K_COPY"; | |
267 | case 20: return "R_68K_GLOB_DAT"; | |
268 | case 21: return "R_68K_JMP_SLOT"; | |
269 | case 22: return "R_68K_RELATIVE"; | |
270 | default: return _("*INVALID*"); | |
271 | } | |
272 | } | |
273 | ||
274 | ||
275 | static char * | |
276 | get_sparc_rel_type (rtype) | |
277 | bfd_vma rtype; | |
278 | { | |
279 | switch (rtype) | |
280 | { | |
281 | case 0: return "R_SPARC_NONE"; | |
282 | case 1: return "R_SPARC_8"; | |
283 | case 2: return "R_SPARC_16"; | |
284 | case 3: return "R_SPARC_32"; | |
285 | case 4: return "R_SPARC_DISP8"; | |
286 | case 5: return "R_SPARC_DISP16"; | |
287 | case 6: return "R_SPARC_DISP32"; | |
288 | case 7: return "R_SPARC_WDISP30"; | |
289 | case 8: return "R_SPARC_WDISP22"; | |
290 | case 9: return "R_SPARC_HI22"; | |
291 | case 10: return "R_SPARC_22"; | |
292 | case 11: return "R_SPARC_13"; | |
293 | case 12: return "R_SPARC_LO10"; | |
294 | case 13: return "R_SPARC_GOT10"; | |
295 | case 14: return "R_SPARC_GOT13"; | |
296 | case 15: return "R_SPARC_GOT22"; | |
297 | case 16: return "R_SPARC_PC10"; | |
298 | case 17: return "R_SPARC_PC22"; | |
299 | case 18: return "R_SPARC_WPLT30"; | |
300 | case 19: return "R_SPARC_COPY"; | |
301 | case 20: return "R_SPARC_GLOB_DAT"; | |
302 | case 21: return "R_SPARC_JMP_SLOT"; | |
303 | case 22: return "R_SPARC_RELATIVE"; | |
304 | case 23: return "R_SPARC_UA32"; | |
305 | case 24: return "R_SPARC_10"; | |
306 | case 25: return "R_SPARC_11"; | |
307 | case 26: return "R_SPARC_64"; | |
308 | case 27: return "R_SPARC_OLO10"; | |
309 | case 28: return "R_SPARC_HH22"; | |
310 | case 29: return "R_SPARC_HM10"; | |
311 | case 30: return "R_SPARC_LM22"; | |
312 | case 31: return "R_SPARC_PC_HH22"; | |
313 | case 32: return "R_SPARC_PC_HM10"; | |
314 | case 33: return "R_SPARC_PC_LM22"; | |
315 | case 34: return "R_SPARC_WDISP16"; | |
316 | case 35: return "R_SPARC_WDISP19"; | |
317 | case 36: return "R_SPARC_UNUSED_42"; | |
318 | case 37: return "R_SPARC_7"; | |
319 | case 38: return "R_SPARC_5"; | |
320 | case 39: return "R_SPARC_6"; | |
321 | case 40: return "R_SPARC_DISP64"; | |
322 | case 41: return "R_SPARC_PLT64"; | |
323 | case 42: return "R_SPARC_HIX22"; | |
324 | case 43: return "R_SPARC_LOX10"; | |
325 | case 44: return "R_SPARC_H44"; | |
326 | case 45: return "R_SPARC_M44"; | |
327 | case 46: return "R_SPARC_L44"; | |
328 | case 47: return "R_SPARC_REGISTER"; | |
329 | case 48: return "R_SPARC_UA64"; | |
330 | case 49: return "R_SPARC_UA16"; | |
331 | case 50: return "R_SPARC_32LE"; | |
332 | default: return _("*INVALID*"); | |
333 | } | |
334 | } | |
335 | ||
336 | ||
337 | static char * | |
338 | get_m32r_rel_type (rtype) | |
339 | bfd_vma rtype; | |
340 | { | |
341 | switch (rtype) | |
342 | { | |
343 | case 0: return "R_M32R_NONE"; | |
344 | case 1: return "R_M32R_16"; | |
345 | case 2: return "R_M32R_32"; | |
346 | case 3: return "R_M32R_24"; | |
347 | case 4: return "R_M32R_10_PCREL"; | |
348 | case 5: return "R_M32R_18_PCREL"; | |
349 | case 6: return "R_M32R_26_PCREL"; | |
350 | case 7: return "R_M32R_HI16_ULO"; | |
351 | case 8: return "R_M32R_HI16_SLO"; | |
352 | case 9: return "R_M32R_LO16"; | |
353 | case 10: return "R_M32R_SDA16"; | |
354 | default: return _("*INVALID*"); | |
355 | } | |
356 | } | |
357 | ||
358 | ||
359 | static char * | |
360 | get_v850_rel_type (rtype) | |
361 | bfd_vma rtype; | |
362 | { | |
363 | switch (rtype) | |
364 | { | |
365 | case 0: return "R_V850_NONE"; | |
366 | case 1: return "R_V850_9_PCREL"; | |
367 | case 2: return "R_V850_22_PCREL"; | |
368 | case 3: return "R_V850_HI16_S"; | |
369 | case 4: return "R_V850_HI16"; | |
370 | case 5: return "R_V850_LO16"; | |
371 | case 6: return "R_V850_32"; | |
372 | case 7: return "R_V850_16"; | |
373 | case 8: return "R_V850_8"; | |
374 | case 9: return "R_V850_SDA_16_16_OFFSET"; | |
375 | case 10: return "R_V850_SDA_15_16_OFFSET"; | |
376 | case 11: return "R_V850_ZDA_16_16_OFFSET"; | |
377 | case 12: return "R_V850_ZDA_15_16_OFFSET"; | |
378 | case 13: return "R_V850_TDA_6_8_OFFSET"; | |
379 | case 14: return "R_V850_TDA_7_8_OFFSET"; | |
380 | case 15: return "R_V850_TDA_7_7_OFFSET"; | |
381 | case 16: return "R_V850_TDA_16_16_OFFSET"; | |
382 | /* start-sanitize-v850e */ | |
383 | case 17: return "R_V850_TDA_4_5_OFFSET"; | |
384 | case 18: return "R_V850_TDA_4_4_OFFSET"; | |
385 | case 19: return "R_V850_SDA_16_16_SPLIT_OFFSET"; | |
386 | case 20: return "R_V850_ZDA_16_16_SPLIT_OFFSET"; | |
387 | case 21: return "R_V850_CALLT_6_7_OFFSET"; | |
388 | case 22: return "R_V850_CALLT_16_16_OFFSET"; | |
389 | /* end-sanitize-v850e */ | |
390 | default: return _("*INVALID*"); | |
391 | } | |
392 | } | |
393 | ||
394 | ||
395 | static char * | |
396 | get_d10v_rel_type (rtype) | |
397 | bfd_vma rtype; | |
398 | { | |
399 | switch (rtype) | |
400 | { | |
401 | case 0: return "R_D10V_NONE"; | |
402 | case 1: return "R_D10V_10_PCREL_R"; | |
403 | case 2: return "R_D10V_10_PCREL_L"; | |
404 | case 3: return "R_D10V_16"; | |
405 | case 4: return "R_D10V_18"; | |
406 | case 5: return "R_D10V_18_PCREL"; | |
407 | case 6: return "R_D10V_32"; | |
408 | default: return _("*INVALID*"); | |
409 | } | |
410 | } | |
411 | ||
412 | ||
413 | static char * | |
414 | get_d30v_rel_type (rtype) | |
415 | bfd_vma rtype; | |
416 | { | |
417 | switch (rtype) | |
418 | { | |
419 | case 0: return "R_D30V_NONE"; | |
420 | case 1: return "R_D30V_6"; | |
421 | case 2: return "R_D30V_9_PCREL"; | |
422 | case 3: return "R_D30V_9_PCREL_R"; | |
423 | case 4: return "R_D30V_15"; | |
424 | case 5: return "R_D30V_15_PCREL"; | |
425 | case 6: return "R_D30V_15_PCREL_R"; | |
426 | case 7: return "R_D30V_21"; | |
427 | case 8: return "R_D30V_21_PCREL"; | |
428 | case 9: return "R_D30V_21_PCREL_R"; | |
429 | case 10: return "R_D30V_32"; | |
430 | case 11: return "R_D30V_32_PCREL"; | |
431 | case 12: return "R_D30V_32_NORMAL"; | |
432 | default: return _("*INVALID*"); | |
433 | } | |
434 | } | |
435 | ||
436 | ||
437 | static char * | |
438 | get_sh_rel_type (rtype) | |
439 | bfd_vma rtype; | |
440 | { | |
441 | switch (rtype) | |
442 | { | |
443 | case 0: return "R_SH_NONE"; | |
444 | case 1: return "R_SH_DIR32"; | |
445 | case 2: return "R_SH_REL32"; | |
446 | case 3: return "R_SH_DIR8WPN"; | |
447 | case 4: return "R_SH_IND12W"; | |
448 | case 5: return "R_SH_DIR8WPL"; | |
449 | case 6: return "R_SH_DIR8WPZ"; | |
450 | case 7: return "R_SH_DIR8BP"; | |
451 | case 8: return "R_SH_DIR8W"; | |
452 | case 9: return "R_SH_DIR8L"; | |
453 | case 25: return "R_SH_SWITCH16"; | |
454 | case 26: return "R_SH_SWITCH32"; | |
455 | case 27: return "R_SH_USES"; | |
456 | case 28: return "R_SH_COUNT"; | |
457 | case 29: return "R_SH_ALIGN"; | |
458 | case 30: return "R_SH_CODE"; | |
459 | case 31: return "R_SH_DATA"; | |
460 | case 32: return "R_SH_LABEL"; | |
461 | default: return _("*INVALID*"); | |
462 | } | |
463 | } | |
464 | ||
465 | ||
466 | static char * | |
467 | get_mn10300_rel_type (rtype) | |
468 | bfd_vma rtype; | |
469 | { | |
470 | switch (rtype) | |
471 | { | |
472 | case 0: return "R_MN10300_NONE"; | |
473 | case 1: return "R_MN10300_32"; | |
474 | case 2: return "R_MN10300_16"; | |
475 | case 3: return "R_MN10300_8"; | |
476 | case 4: return "R_MN10300_PCREL32"; | |
477 | case 5: return "R_MN10300_PCREL16"; | |
478 | case 6: return "R_MN10300_PCREL8"; | |
479 | default: return _("*INVALID*"); | |
480 | } | |
481 | } | |
482 | ||
483 | ||
484 | static char * | |
485 | get_mn10200_rel_type (rtype) | |
486 | bfd_vma rtype; | |
487 | { | |
488 | switch (rtype) | |
489 | { | |
490 | case 0: return "R_MN10200_NONE"; | |
491 | case 1: return "R_MN10200_32"; | |
492 | case 2: return "R_MN10200_16"; | |
493 | case 3: return "R_MN10200_8"; | |
494 | case 4: return "R_MN10200_24"; | |
495 | case 5: return "R_MN10200_PCREL8"; | |
496 | case 6: return "R_MN10200_PCREL16"; | |
497 | case 7: return "R_MN10200_PCREL24"; | |
498 | default: return _("*INVALID*"); | |
499 | } | |
500 | } | |
501 | ||
502 | ||
a09db9ba MM |
503 | static char * |
504 | get_ppc_rel_type (rtype) | |
505 | bfd_vma rtype; | |
506 | { | |
507 | switch (rtype) | |
508 | { | |
509 | case 0: return "R_PPC_NONE,"; | |
510 | case 1: return "R_PPC_ADDR32,"; | |
511 | case 2: return "R_PPC_ADDR24,"; | |
512 | case 3: return "R_PPC_ADDR16,"; | |
513 | case 4: return "R_PPC_ADDR16_LO,"; | |
514 | case 5: return "R_PPC_ADDR16_HI,"; | |
515 | case 6: return "R_PPC_ADDR16_HA,"; | |
516 | case 7: return "R_PPC_ADDR14,"; | |
517 | case 8: return "R_PPC_ADDR14_BRTAKEN,"; | |
518 | case 9: return "R_PPC_ADDR14_BRNTAKEN,"; | |
519 | case 10: return "R_PPC_REL24,"; | |
520 | case 11: return "R_PPC_REL14,"; | |
521 | case 12: return "R_PPC_REL14_BRTAKEN,"; | |
522 | case 13: return "R_PPC_REL14_BRNTAKEN,"; | |
523 | case 14: return "R_PPC_GOT16,"; | |
524 | case 15: return "R_PPC_GOT16_LO,"; | |
525 | case 16: return "R_PPC_GOT16_HI,"; | |
526 | case 17: return "R_PPC_GOT16_HA,"; | |
527 | case 18: return "R_PPC_PLT24,"; | |
528 | case 19: return "R_PPC_COPY,"; | |
529 | case 21: return "R_PPC_JMP_SLOT,"; | |
530 | case 22: return "R_PPC_RELATIVE,"; | |
531 | case 23: return "R_PPC_LOCAL24PC,"; | |
532 | case 24: return "R_PPC_UADDR32,"; | |
533 | case 25: return "R_PPC_UADDR16,"; | |
534 | case 26: return "R_PPC_REL32,"; | |
535 | case 27: return "R_PPC_PLT32,"; | |
536 | case 28: return "R_PPC_PLTREL32,"; | |
537 | case 29: return "R_PPC_PLT16_LO,"; | |
538 | case 30: return "R_PPC_PLT16_HI,"; | |
539 | case 31: return "R_PPC_PLT16_HA,"; | |
540 | case 32: return "R_PPC_SDAREL,"; | |
541 | case 33: return "R_PPC_SECTOFF,"; | |
542 | case 34: return "R_PPC_SECTOFF_LO,"; | |
543 | case 35: return "R_PPC_SECTOFF_HI,"; | |
544 | case 36: return "R_PPC_SECTOFF_HA,"; | |
545 | case 101: return "R_PPC_EMB_NADDR32,"; | |
546 | case 102: return "R_PPC_EMB_NADDR16,"; | |
547 | case 103: return "R_PPC_EMB_NADDR16_LO,"; | |
548 | case 104: return "R_PPC_EMB_NADDR16_HI,"; | |
549 | case 105: return "R_PPC_EMB_NADDR16_HA,"; | |
550 | case 106: return "R_PPC_EMB_SDAI16,"; | |
551 | case 107: return "R_PPC_EMB_SDA2I16,"; | |
552 | case 108: return "R_PPC_EMB_SDA2REL,"; | |
553 | case 109: return "R_PPC_EMB_SDA21,"; | |
554 | case 110: return "R_PPC_EMB_MRKREF,"; | |
555 | case 111: return "R_PPC_EMB_RELSEC16,"; | |
556 | case 112: return "R_PPC_EMB_RELST_LO,"; | |
557 | case 113: return "R_PPC_EMB_RELST_HI,"; | |
558 | case 114: return "R_PPC_EMB_RELST_HA,"; | |
559 | case 115: return "R_PPC_EMB_BIT_FLD,"; | |
560 | case 116: return "R_PPC_EMB_RELSDA,"; | |
561 | default: return _("*INVALID*"); | |
562 | } | |
563 | } | |
564 | ||
565 | ||
76466873 NC |
566 | static void |
567 | dump_relocations (rpnt, rel_size) | |
568 | Elf_Rel * rpnt; | |
569 | int rel_size; | |
570 | { | |
571 | int i; | |
572 | int is_rela; | |
573 | Elf_Rela * rapnt; | |
574 | Elf_Rela * relocs = NULL; | |
575 | ||
576 | ||
577 | rapnt = (Elf_Rela *) rpnt; | |
578 | ||
579 | /* Compute number of relocations. */ | |
580 | switch (epnt->e_machine) | |
581 | { | |
582 | case EM_386: | |
583 | case EM_486: | |
584 | case EM_CYGNUS_M32R: | |
585 | case EM_CYGNUS_D10V: | |
586 | rel_size = rel_size / sizeof (Elf_Rel); | |
587 | ||
588 | if (must_swap) | |
589 | { | |
590 | Elf_Rel * new_header = malloc (sizeof (* new_header) * rel_size); | |
591 | ||
592 | if (new_header == NULL) | |
593 | { | |
594 | error (_("out of memory\n")); | |
595 | return; | |
596 | } | |
597 | ||
598 | memcpy (new_header, rpnt, sizeof (* new_header) * rel_size); | |
599 | ||
600 | rpnt = new_header; | |
601 | relocs = (Elf_Rela *) new_header; | |
602 | ||
603 | for (i = 0; i < rel_size; i++) | |
604 | { | |
605 | BYTE_SWAP (rpnt + i, r_offset); | |
606 | BYTE_SWAP (rpnt + i, r_info); | |
607 | ||
608 | new_header ++; | |
609 | } | |
610 | } | |
611 | ||
612 | is_rela = 0; | |
613 | break; | |
614 | ||
615 | case EM_68K: | |
616 | case EM_SPARC: | |
a09db9ba | 617 | case EM_PPC: |
76466873 NC |
618 | case EM_CYGNUS_V850: |
619 | case EM_CYGNUS_D30V: | |
620 | case EM_CYGNUS_MN10200: | |
621 | case EM_CYGNUS_MN10300: | |
622 | case EM_SH: | |
623 | rel_size = rel_size / sizeof (Elf_Rela); | |
624 | ||
625 | if (must_swap) | |
626 | { | |
627 | Elf_Rela * new_header = malloc (sizeof (* new_header) * rel_size); | |
628 | ||
629 | if (new_header == NULL) | |
630 | { | |
631 | error (_("out of memory\n")); | |
632 | return; | |
633 | } | |
634 | ||
635 | memcpy (new_header, rpnt, sizeof (* new_header) * rel_size); | |
636 | ||
637 | relocs = rapnt = new_header; | |
638 | ||
639 | for (i = rel_size; i--;) | |
640 | { | |
641 | BYTE_SWAP (new_header, r_offset); | |
642 | BYTE_SWAP (new_header, r_info); | |
643 | BYTE_SWAP (new_header, r_addend); | |
644 | ||
645 | new_header ++; | |
646 | } | |
647 | } | |
648 | ||
649 | is_rela = 1; | |
650 | break; | |
651 | ||
652 | default: | |
653 | warn (_("Don't know about relocations on this machine architecture\n")); | |
654 | return; | |
655 | } | |
656 | ||
657 | if (is_rela) | |
658 | printf (_(" Offset Value Type Symbol's Value Symbol Name Addend\n")); | |
659 | else | |
660 | printf (_(" Offset Value Type Symbol's Value Symbol Name\n")); | |
661 | ||
662 | for (i = 0; i < rel_size; i++) | |
663 | { | |
664 | char * rtype; | |
665 | ||
666 | if (is_rela) | |
667 | rpnt = (Elf_Rel *) rapnt; | |
668 | ||
c18f8aef | 669 | printf (" %5.5lx %5.5lx ", rpnt->r_offset, rpnt->r_info); |
76466873 NC |
670 | |
671 | switch (epnt->e_machine) | |
672 | { | |
c18f8aef NC |
673 | default: |
674 | rtype = "UGG!"; | |
675 | break; | |
676 | ||
76466873 NC |
677 | case EM_CYGNUS_M32R: |
678 | rtype = get_m32r_rel_type (ELF32_R_TYPE (rpnt->r_info)); | |
679 | break; | |
680 | ||
681 | case EM_386: | |
682 | case EM_486: | |
683 | rtype = get_i386_rel_type (ELF32_R_TYPE (rpnt->r_info)); | |
684 | break; | |
685 | ||
686 | case EM_68K: | |
687 | rtype = get_m68k_rel_type (ELF32_R_TYPE (rpnt->r_info)); | |
688 | break; | |
689 | ||
690 | case EM_SPARC: | |
691 | rtype = get_sparc_rel_type (ELF32_R_TYPE (rapnt->r_info)); | |
692 | break; | |
693 | ||
694 | case EM_CYGNUS_V850: | |
695 | rtype = get_v850_rel_type (ELF32_R_TYPE (rpnt->r_info)); | |
696 | break; | |
697 | ||
698 | case EM_CYGNUS_D10V: | |
699 | rtype = get_d10v_rel_type (ELF32_R_TYPE (rpnt->r_info)); | |
700 | break; | |
701 | ||
702 | case EM_CYGNUS_D30V: | |
703 | rtype = get_d30v_rel_type (ELF32_R_TYPE (rpnt->r_info)); | |
704 | break; | |
705 | ||
706 | case EM_SH: | |
707 | rtype = get_sh_rel_type (ELF32_R_TYPE (rpnt->r_info)); | |
708 | break; | |
709 | ||
710 | case EM_CYGNUS_MN10300: | |
711 | rtype = get_mn10300_rel_type (ELF32_R_TYPE (rpnt->r_info)); | |
712 | break; | |
713 | ||
714 | case EM_CYGNUS_MN10200: | |
715 | rtype = get_mn10200_rel_type (ELF32_R_TYPE (rpnt->r_info)); | |
716 | break; | |
a09db9ba MM |
717 | |
718 | case EM_PPC: | |
719 | rtype = get_ppc_rel_type (ELF32_R_TYPE (rpnt->r_info)); | |
720 | break; | |
76466873 NC |
721 | } |
722 | ||
723 | printf ("%-18s", rtype); | |
724 | ||
725 | symtab_index = ELF32_R_SYM (rpnt->r_info); | |
726 | ||
727 | if (symtab_index) | |
728 | { | |
729 | Elf_Sym ssym; | |
730 | Elf_Sym * psym; | |
731 | ||
732 | psym = symtab + symtab_index; | |
733 | ||
734 | if (must_swap) | |
735 | { | |
736 | Elf_Sym * new_header = & ssym; | |
737 | ||
738 | ssym = * psym; | |
739 | ||
740 | BYTE_SWAP (psym, st_name); | |
741 | BYTE_SWAP (psym, st_value); | |
742 | /* BYTE_SWAP (psym, st_size); */ | |
743 | BYTE_SWAP (psym, st_shndx); | |
744 | ||
745 | psym = new_header; | |
746 | } | |
747 | ||
748 | if (psym->st_name == 0) | |
c18f8aef | 749 | printf (" %08lx %-15s", psym->st_value, |
76466873 NC |
750 | SECTION_NAME (elf_sections + psym->st_shndx)); |
751 | else | |
c18f8aef | 752 | printf (" %08lx %-15s", psym->st_value, strtab + psym->st_name); |
76466873 NC |
753 | |
754 | if (is_rela) | |
c18f8aef | 755 | printf (" + %lx", rapnt->r_addend); |
76466873 NC |
756 | } |
757 | ||
758 | putchar ('\n'); | |
759 | rapnt ++; | |
760 | rpnt ++; | |
761 | } | |
762 | ||
763 | if (relocs != NULL) | |
764 | free (relocs); | |
765 | } | |
766 | ||
767 | static char * | |
768 | get_file_type (e_type) | |
a09db9ba | 769 | unsigned e_type; |
76466873 NC |
770 | { |
771 | static char buff [32]; | |
772 | ||
773 | switch (e_type) | |
774 | { | |
775 | case ET_NONE: return _("None"); | |
776 | case ET_REL: return _("Relocatable file"); | |
777 | case ET_EXEC: return _("Executable file"); | |
778 | case ET_DYN: return _("Shared object file"); | |
779 | case ET_CORE: return _("Core file"); | |
780 | ||
781 | default: | |
782 | if ((e_type >= ET_LOPROC) && (e_type <= ET_HIPROC)) | |
783 | sprintf (buff, _("Processor Specific: (%x)"), e_type); | |
784 | else | |
785 | sprintf (buff, _("<unknown>: %x"), e_type); | |
786 | return buff; | |
787 | } | |
788 | } | |
789 | ||
790 | static char * | |
791 | get_machine_name (e_machine) | |
a09db9ba | 792 | unsigned e_machine; |
76466873 NC |
793 | { |
794 | static char buff [32]; | |
795 | ||
796 | switch (e_machine) | |
797 | { | |
798 | case EM_NONE: return _("None"); | |
799 | case EM_M32: return "WE32100"; | |
800 | case EM_SPARC: return "Sparc"; | |
801 | case EM_386: return "80386"; | |
802 | case EM_68K: return "MC68000"; | |
803 | case EM_88K: return "MC88000"; | |
804 | case EM_486: return "Intel 80486"; | |
805 | case EM_860: return "Intel 80860"; | |
806 | case EM_MIPS: return "MIPS R3000 big-endian"; | |
807 | case EM_S370: return "Amdahl"; | |
808 | case EM_MIPS_RS4_BE: return "MIPS R400 big-endian"; | |
809 | case EM_PARISC: return "HPPA"; | |
810 | case EM_SPARC32PLUS: return "Sparc v8+" ; | |
a09db9ba | 811 | case EM_PPC: return "PowerPC"; |
76466873 NC |
812 | case EM_SPARCV9: return "Sparc v9"; |
813 | case EM_ARM: return "ARM"; | |
814 | case EM_SH: return "Hitachi SH"; | |
815 | case EM_ALPHA: return "Alpha"; | |
816 | case EM_CYGNUS_D10V: return "d10v"; | |
817 | case EM_CYGNUS_D30V: return "d30v"; | |
818 | case EM_CYGNUS_M32R: return "M32r"; | |
819 | case EM_CYGNUS_V850: return "v850"; | |
820 | case EM_CYGNUS_MN10300: return "mn10300"; | |
821 | case EM_CYGNUS_MN10200: return "mn10200"; | |
822 | ||
823 | default: | |
824 | sprintf (buff, _("<unknown>: %x"), e_machine); | |
825 | return buff; | |
826 | } | |
827 | } | |
828 | ||
a09db9ba MM |
829 | static char * |
830 | get_machine_flags (e_flags, e_machine) | |
831 | unsigned e_flags; | |
832 | unsigned e_machine; | |
833 | { | |
834 | static char buf [1024]; | |
835 | ||
836 | buf[0] = '\0'; | |
837 | if (e_flags) | |
838 | { | |
839 | switch (e_machine) | |
840 | { | |
841 | default: | |
842 | break; | |
843 | ||
844 | case EM_PPC: | |
845 | if (e_flags & EF_PPC_EMB) | |
846 | strcat (buf, ", emb"); | |
847 | ||
848 | if (e_flags & EF_PPC_RELOCATABLE) | |
849 | strcat (buf, ", relocatable"); | |
850 | ||
851 | if (e_flags & EF_PPC_RELOCATABLE_LIB) | |
852 | strcat (buf, ", relocatable-lib"); | |
853 | break; | |
854 | ||
855 | case EM_CYGNUS_M32R: | |
856 | if ((e_flags & EF_M32R_ARCH) == E_M32R_ARCH) | |
857 | strcat (buf, ", m32r"); | |
858 | ||
859 | /* start-sanitize-m32rx */ | |
860 | #ifdef E_M32RX_ARCH | |
861 | if ((e_flags & EF_M32R_ARCH) == E_M32RX_ARCH) | |
862 | strcat (buf, ", m32rx"); | |
863 | #endif | |
864 | /* end-sanitize-m32rx */ | |
865 | break; | |
866 | ||
867 | case EM_MIPS: | |
868 | case EM_MIPS_RS4_BE: | |
869 | if (e_flags & EF_MIPS_NOREORDER) | |
870 | strcat (buf, ", noreorder"); | |
871 | ||
872 | if (e_flags & EF_MIPS_PIC) | |
873 | strcat (buf, ", pic"); | |
874 | ||
875 | if (e_flags & EF_MIPS_CPIC) | |
876 | strcat (buf, ", cpic"); | |
877 | ||
878 | if (e_flags & EF_MIPS_ABI2) | |
879 | strcat (buf, ", abi2"); | |
880 | ||
881 | if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_1) | |
882 | strcat (buf, ", mips1"); | |
883 | ||
884 | if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_2) | |
885 | strcat (buf, ", mips2"); | |
886 | ||
887 | if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_3) | |
888 | strcat (buf, ", mips3"); | |
889 | ||
890 | if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_4) | |
891 | strcat (buf, ", mips4"); | |
892 | break; | |
893 | } | |
894 | } | |
895 | ||
896 | return buf; | |
897 | } | |
898 | ||
899 | static char * | |
900 | get_machine_data (e_data) | |
901 | unsigned e_data; | |
902 | { | |
903 | static char buff [32]; | |
904 | ||
905 | switch (e_data) | |
906 | { | |
907 | case ELFDATA2LSB: return _("ELFDATA2LSB (little endian)"); | |
908 | case ELFDATA2MSB: return _("ELFDATA2MSB (big endian)"); | |
909 | default: | |
910 | sprintf (buff, _("<unknown>: %x"), e_data); | |
911 | return buff; | |
912 | } | |
913 | } | |
914 | ||
76466873 NC |
915 | static char * |
916 | get_segment_type (p_type) | |
917 | unsigned long p_type; | |
918 | { | |
919 | static char buff [32]; | |
920 | ||
921 | switch (p_type) | |
922 | { | |
923 | case PT_NULL: return _("Unused"); | |
924 | case PT_LOAD: return _("Loadable"); | |
925 | case PT_DYNAMIC: return _("Dynamic link info"); | |
926 | case PT_INTERP: return _("Interpreter"); | |
927 | case PT_NOTE: return _("Auxillary Info"); | |
928 | case PT_SHLIB: return _("Shared Library"); | |
929 | case PT_PHDR: return _("Program Headers"); | |
930 | ||
931 | default: | |
932 | if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC)) | |
933 | return _("processor specific"); | |
934 | else | |
935 | { | |
936 | sprintf (buff, _("<unknown>: %x"), p_type); | |
937 | return buff; | |
938 | } | |
939 | } | |
940 | } | |
941 | ||
942 | static char * | |
943 | get_section_type_name (sh_type) | |
944 | unsigned int sh_type; | |
945 | { | |
946 | static char buff [32]; | |
947 | ||
948 | switch (sh_type) | |
949 | { | |
950 | case SHT_NULL: return _("Unused"); | |
951 | case SHT_PROGBITS: return _("Program data"); | |
952 | case SHT_SYMTAB: return _("Symbol table"); | |
953 | case SHT_STRTAB: return _("String table"); | |
954 | case SHT_RELA: return _("Relocs, addends"); | |
955 | case SHT_HASH: return _("Symbol hash table"); | |
956 | case SHT_DYNAMIC: return _("Dynamic linking info"); | |
957 | case SHT_NOTE: return _("Notes"); | |
958 | case SHT_NOBITS: return _("Space, no data"); | |
959 | case SHT_REL: return _("Relocs, no addends"); | |
960 | case SHT_SHLIB: return _("Shared Library info"); | |
961 | case SHT_DYNSYM: return _("Dynamic linker symbols"); | |
962 | case SHT_GNU_verdef: return _("Version definition"); | |
963 | case SHT_GNU_verneed: return _("Version needs"); | |
964 | case SHT_GNU_versym: return _("Version symbols"); | |
965 | case 0x6ffffff0: return "VERSYM"; | |
966 | case 0x6ffffffc: return "VERDEF"; | |
967 | case 0x7ffffffd: return "AUXILIARY"; | |
968 | case 0x7fffffff: return "FILTER"; | |
969 | ||
970 | default: | |
971 | if ((sh_type >= SHT_LOPROC) && (sh_type <= SHT_HIPROC)) | |
972 | return _("processor specific"); | |
973 | else if ((sh_type >= SHT_LOUSER) && (sh_type <= SHT_HIUSER)) | |
974 | return _("application specific"); | |
975 | else | |
976 | { | |
977 | sprintf (buff, _("<unknown>: %x"), sh_type); | |
978 | return buff; | |
979 | } | |
980 | } | |
981 | } | |
982 | ||
983 | struct option options [] = | |
984 | { | |
985 | {"all", no_argument, 0, 'a'}, | |
986 | {"file-header", no_argument, 0, 'h'}, | |
987 | {"program-headers", no_argument, 0, 'l'}, | |
988 | {"segments", no_argument, 0, 'l'}, | |
989 | {"sections", no_argument, 0, 'S'}, | |
990 | {"symbols", no_argument, 0, 's'}, | |
991 | {"relocs", no_argument, 0, 'r'}, | |
992 | {"dynamic", no_argument, 0, 'd'}, | |
993 | {"version-info", no_argument, 0, 'V'}, | |
994 | {"use-dynamic", no_argument, 0, 'D'}, | |
995 | ||
996 | {"hex-dump", required_argument, 0, 'x'}, | |
997 | #ifdef SUPPORT_DISASSEMBLY | |
998 | {"instruction-dump", required_argument, 0, 'i'}, | |
999 | #endif | |
1000 | ||
1001 | {"version", no_argument, 0, 'v'}, | |
1002 | {"help", no_argument, 0, 'H'}, | |
1003 | ||
1004 | {0, no_argument, 0, 0} | |
1005 | }; | |
1006 | ||
1007 | static void | |
1008 | usage () | |
1009 | { | |
1010 | fprintf (stderr, _("Usage: readelf {options} elf-file(s)\n")); | |
1011 | fprintf (stderr, _(" Options are:\n")); | |
1012 | fprintf (stderr, _(" -a or --all Display all the information\n")); | |
1013 | fprintf (stderr, _(" -h or --file-header Display the ELF file header\n")); | |
1014 | fprintf (stderr, _(" -l or --program-headers or --segments\n")); | |
1015 | fprintf (stderr, _(" Display the program headers\n")); | |
1016 | fprintf (stderr, _(" -S or --sections Display the sections' headers\n")); | |
1017 | fprintf (stderr, _(" -s or --symbols Display the symbol table\n")); | |
1018 | fprintf (stderr, _(" -r or --relocs Display the relocations (if present)\n")); | |
1019 | fprintf (stderr, _(" -d or --dynamic Display the dynamic section (if present)\n")); | |
1020 | fprintf (stderr, _(" -V or --version-info Display the version sections (if present)\n")); | |
1021 | fprintf (stderr, _(" -D or --use-dynamic Use the dynamic section info when displaying symbols\n")); | |
1022 | fprintf (stderr, _(" -x <number> or --hex-dump=<number>\n")); | |
1023 | fprintf (stderr, _(" Dump the contents of section <number>\n")); | |
1024 | #ifdef SUPPORT_DISASSEMBLY | |
1025 | fprintf (stderr, _(" -i <number> or --instruction-dump=<number>\n")); | |
1026 | fprintf (stderr, _(" Disassemble the contents of section <number>\n")); | |
1027 | #endif | |
1028 | fprintf (stderr, _(" -v or --version Display the version number of readelf\n")); | |
1029 | fprintf (stderr, _(" -H or --help Display this information\n")); | |
1030 | ||
1031 | exit (0); | |
1032 | } | |
1033 | ||
1034 | static void | |
1035 | parse_args (argc, argv) | |
1036 | int argc; | |
1037 | char ** argv; | |
1038 | { | |
1039 | char c; | |
1040 | ||
1041 | if (argc < 2) | |
1042 | usage (); | |
1043 | ||
1044 | while ((c = getopt_long | |
1045 | (argc, argv, "rsahldSDx:i:vV", options, NULL)) != EOF) | |
1046 | { | |
1047 | char * cp; | |
1048 | int section; | |
1049 | ||
1050 | switch (c) | |
1051 | { | |
1052 | case 'H': | |
1053 | usage (); | |
1054 | break; | |
1055 | ||
1056 | case 'a': | |
1057 | do_syms++; | |
1058 | do_reloc++; | |
1059 | do_dynamic++; | |
1060 | do_header++; | |
1061 | do_section++; | |
1062 | do_load++; | |
1063 | do_version++; | |
1064 | break; | |
1065 | case 'D': | |
1066 | do_using_dynamic++; | |
1067 | break; | |
1068 | case 'r': | |
1069 | do_reloc++; | |
1070 | break; | |
1071 | case 'h': | |
1072 | do_header++; | |
1073 | break; | |
1074 | case 'l': | |
1075 | do_load++; | |
1076 | break; | |
1077 | case 's': | |
1078 | do_syms++; | |
1079 | break; | |
1080 | case 'S': | |
1081 | do_section++; | |
1082 | break; | |
1083 | case 'd': | |
1084 | do_dynamic++; | |
1085 | break; | |
1086 | case 'x': | |
1087 | do_dump ++; | |
1088 | section = strtoul (optarg, & cp, 0); | |
1089 | if (! * cp && section >= 0 && section < NUM_DUMP_SECTS) | |
1090 | { | |
1091 | dump_sects [section] |= HEX_DUMP; | |
1092 | break; | |
1093 | } | |
1094 | goto oops; | |
1095 | #ifdef SUPPORT_DISASSEMBLY | |
1096 | case 'i': | |
1097 | do_dump ++; | |
1098 | section = strtoul (optarg, & cp, 0); | |
1099 | if (! * cp && section >= 0 && section < NUM_DUMP_SECTS) | |
1100 | { | |
1101 | dump_sects [section] |= DISASS_DUMP; | |
1102 | break; | |
1103 | } | |
1104 | goto oops; | |
1105 | #endif | |
1106 | case 'v': | |
1107 | print_version (program_name); | |
1108 | break; | |
1109 | case 'V': | |
1110 | do_version ++; | |
1111 | break; | |
1112 | default: | |
1113 | oops: | |
1114 | /* xgettext:c-format */ | |
1115 | error (_("Invalid option '-%c'\n"), c); | |
1116 | /* Drop through. */ | |
1117 | case '?': | |
1118 | usage (); | |
1119 | } | |
1120 | } | |
1121 | ||
1122 | if (!do_dynamic && !do_syms && !do_reloc && !do_section | |
1123 | && !do_load && !do_header && !do_dump && !do_version) | |
1124 | usage (); | |
1125 | else if (argc < 3) | |
1126 | warn (_("Nothing to do.\n")); | |
1127 | } | |
1128 | ||
1129 | static int | |
1130 | process_elf_header () | |
1131 | { | |
1132 | if ( epnt->e_ident [EI_MAG0] != ELFMAG0 | |
1133 | || epnt->e_ident [EI_MAG1] != ELFMAG1 | |
1134 | || epnt->e_ident [EI_MAG2] != ELFMAG2 | |
1135 | || epnt->e_ident [EI_MAG3] != ELFMAG3) | |
1136 | { | |
1137 | error (_("Not an ELF file - it has the wrong magic bytes at the start\n")); | |
1138 | return 0; | |
1139 | } | |
1140 | ||
1141 | if (epnt->e_ident [EI_CLASS] != ELFCLASS32) | |
1142 | { | |
1143 | error (_("Not a 32 bit ELF file\n")); | |
1144 | return 0; | |
1145 | } | |
1146 | ||
1147 | if (epnt->e_ident [EI_DATA] != expected_endian) | |
1148 | must_swap = 1; | |
1149 | ||
1150 | if (must_swap) | |
1151 | { | |
1152 | Elf_Ehdr * new_header = malloc (sizeof (* new_header)); | |
1153 | ||
1154 | if (new_header == NULL) | |
1155 | { | |
1156 | error (_("out of memory\n")); | |
1157 | return 0; | |
1158 | } | |
1159 | ||
1160 | memcpy (new_header, epnt, sizeof (* new_header)); | |
1161 | ||
1162 | BYTE_SWAP (epnt, e_type); | |
1163 | BYTE_SWAP (epnt, e_machine); | |
1164 | BYTE_SWAP (epnt, e_version); | |
1165 | BYTE_SWAP (epnt, e_entry); | |
1166 | BYTE_SWAP (epnt, e_phoff); | |
1167 | BYTE_SWAP (epnt, e_shoff); | |
1168 | BYTE_SWAP (epnt, e_flags); | |
1169 | BYTE_SWAP (epnt, e_ehsize); | |
1170 | BYTE_SWAP (epnt, e_phentsize); | |
1171 | BYTE_SWAP (epnt, e_phnum); | |
1172 | BYTE_SWAP (epnt, e_shentsize); | |
1173 | BYTE_SWAP (epnt, e_shnum); | |
1174 | BYTE_SWAP (epnt, e_shstrndx); | |
1175 | ||
1176 | epnt = new_header; | |
1177 | } | |
1178 | ||
1179 | if (do_header) | |
1180 | { | |
1181 | int i; | |
1182 | ||
1183 | printf (_("ELF Header....\n")); | |
1184 | printf (_(" Magic: ")); | |
1185 | for (i = 0; i < EI_NIDENT; i ++) | |
1186 | printf ("%2.2x ", epnt->e_ident [i]); | |
1187 | printf ("\n"); | |
1188 | printf (_(" Type: %s\n"), get_file_type (epnt->e_type)); | |
1189 | printf (_(" Machine: %s\n"), get_machine_name (epnt->e_machine)); | |
a09db9ba MM |
1190 | printf (_(" Version: 0x%lx\n"), (unsigned long)epnt->e_version); |
1191 | printf (_(" Data: %s\n"), get_machine_data (epnt->e_ident [EI_DATA])); | |
1192 | printf (_(" Entry point address: 0x%lx\n"), (unsigned long)epnt->e_entry); | |
1193 | printf (_(" Start of program headers: %ld (bytes into file)\n"), (long)epnt->e_phoff); | |
1194 | printf (_(" Start of section headers: %ld (bytes into file)\n"), (long)epnt->e_shoff); | |
1195 | printf (_(" Flags: 0x%lx%s\n"), (unsigned long)epnt->e_flags, | |
1196 | get_machine_flags (epnt->e_flags, epnt->e_machine)); | |
1197 | printf (_(" Size of this header: %ld (bytes)\n"), (long)epnt->e_ehsize); | |
1198 | printf (_(" Size of program headers: %ld (bytes)\n"), (long)epnt->e_phentsize); | |
1199 | printf (_(" Number of program headers: %ld\n"), (long)epnt->e_phnum); | |
1200 | printf (_(" Size of section headers: %ld (bytes)\n"), (long)epnt->e_shentsize); | |
1201 | printf (_(" Number of section headers: %ld\n"), (long)epnt->e_shnum); | |
1202 | printf (_(" Section header string table index: %ld\n"), (long)epnt->e_shstrndx); | |
76466873 NC |
1203 | } |
1204 | ||
1205 | return 1; | |
1206 | } | |
1207 | ||
1208 | ||
1209 | static void | |
1210 | process_program_headers () | |
1211 | { | |
1212 | Elf_Phdr * elf_segments; | |
1213 | Elf_Phdr * ppnt; | |
1214 | int i; | |
1215 | ||
1216 | if (epnt->e_phnum == 0) | |
1217 | { | |
1218 | if (do_load) | |
1219 | printf (_("\nThere are no program headers in this file\n")); | |
1220 | return; | |
1221 | } | |
1222 | ||
1223 | if (do_load && !do_header) | |
1224 | { | |
1225 | printf (_("\nElf file is %s\n"), get_file_type (epnt->e_type)); | |
1226 | printf (_("Entry point 0x%x\n"), epnt->e_entry); | |
1227 | printf (_("There are %d program headers, starting at offset %x:\n"), | |
1228 | epnt->e_phnum, epnt->e_phoff); | |
1229 | } | |
1230 | ||
1231 | if (must_swap) | |
1232 | { | |
1233 | Elf_Phdr * new_header = malloc (sizeof (* new_header) * epnt->e_phnum); | |
1234 | ||
1235 | if (new_header == NULL) | |
1236 | { | |
1237 | error (_("out of memory\n")); | |
1238 | return; | |
1239 | } | |
1240 | ||
1241 | memcpy (new_header, & header [epnt->e_phoff], | |
1242 | sizeof (* new_header) * epnt->e_phnum); | |
1243 | ||
1244 | elf_segments = ppnt = new_header; | |
1245 | ||
1246 | for (i = 0; i < epnt->e_phnum; i++) | |
1247 | { | |
1248 | BYTE_SWAP (ppnt + i, p_type); | |
1249 | BYTE_SWAP (ppnt + i, p_flags); | |
1250 | BYTE_SWAP (ppnt + i, p_offset); | |
1251 | BYTE_SWAP (ppnt + i, p_vaddr); | |
1252 | BYTE_SWAP (ppnt + i, p_paddr); | |
1253 | BYTE_SWAP (ppnt + i, p_filesz); | |
1254 | BYTE_SWAP (ppnt + i, p_memsz); | |
1255 | BYTE_SWAP (ppnt + i, p_align); | |
1256 | ||
1257 | new_header ++; | |
1258 | } | |
1259 | } | |
1260 | else | |
1261 | { | |
1262 | ppnt = (Elf_Phdr *) & header [epnt->e_phoff]; | |
1263 | elf_segments = NULL; | |
1264 | } | |
1265 | ||
1266 | if (do_load) | |
1267 | { | |
1268 | printf (_("\nProgram Header%s....\n"), epnt->e_phnum > 1 ? "s" : ""); | |
1269 | printf (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n")); | |
1270 | } | |
1271 | ||
1272 | loadaddr = -1; | |
1273 | dynamic_addr = 0; | |
1274 | ||
1275 | for (i = 0; i < epnt->e_phnum; i++) | |
1276 | { | |
1277 | if (loadaddr == -1 && ppnt->p_type == PT_LOAD) | |
1278 | loadaddr = (ppnt->p_vaddr & 0xfffff000) | |
1279 | - (ppnt->p_offset & 0xfffff000); | |
1280 | ||
1281 | if (do_load) | |
1282 | { | |
1283 | printf (" %-10s ", get_segment_type (ppnt->p_type)); | |
c18f8aef NC |
1284 | printf ("0x%5.5lx ",ppnt->p_offset); |
1285 | printf ("0x%8.8lx ",ppnt->p_vaddr); | |
1286 | printf ("0x%8.8lx ",ppnt->p_paddr); | |
1287 | printf ("0x%5.5lx 0x%5.5lx ",ppnt->p_filesz, ppnt->p_memsz); | |
76466873 NC |
1288 | printf ("%c%c%c ", |
1289 | (ppnt->p_flags & 4 ? 'R' : ' '), | |
1290 | (ppnt->p_flags & 2 ? 'W' : ' '), | |
1291 | (ppnt->p_flags & 1 ? 'E' : ' ')); | |
c18f8aef | 1292 | printf ("%#lx", ppnt->p_align); |
76466873 NC |
1293 | } |
1294 | ||
1295 | if (ppnt->p_type == PT_DYNAMIC) | |
1296 | { | |
1297 | if (dynamic_addr) | |
1298 | error (_("more than one dynamic section\n")); | |
1299 | ||
1300 | dynamic_addr = ppnt->p_offset; | |
1301 | dynamic_size = ppnt->p_filesz; | |
1302 | } | |
1303 | ||
1304 | if (ppnt->p_type == PT_INTERP) | |
1305 | { | |
1306 | if (do_load) | |
1307 | printf (_("\nRequesting program interpreter [%s]"), | |
1308 | & header [ppnt->p_offset]); | |
1309 | pint = strdup (& header [ppnt->p_offset]); | |
1310 | } | |
1311 | ||
1312 | if (do_load) | |
1313 | putc ('\n', stdout); | |
1314 | ||
1315 | ppnt ++; | |
1316 | } | |
1317 | ||
1318 | if (do_load) | |
1319 | { | |
1320 | printf (_("\n Section to Segment mapping:\n")); | |
1321 | printf (_(" Segment Sections...\n")); | |
1322 | ||
1323 | if (elf_segments) | |
1324 | ppnt = elf_segments; | |
1325 | else | |
1326 | ppnt = (Elf_Phdr *) & header [epnt->e_phoff]; | |
1327 | ||
1328 | for (i = 0; i < epnt->e_phnum; i++, ppnt++) | |
1329 | { | |
1330 | int j; | |
1331 | Elf_Shdr * spnt; | |
1332 | ||
1333 | printf (" %2.2d ", i); | |
1334 | ||
1335 | spnt = (Elf_Shdr *) & header [epnt->e_shoff]; | |
1336 | ||
1337 | if (must_swap) | |
1338 | { | |
1339 | lastmapped = SWAP4 (spnt[epnt->e_shstrndx].sh_offset); | |
1340 | ||
1341 | for (j = 0; j < epnt->e_shnum; j++) | |
1342 | { | |
1343 | bfd_vma addr; | |
1344 | bfd_size_type size; | |
1345 | unsigned int name; | |
1346 | ||
1347 | addr = SWAP4 (spnt[j].sh_addr); | |
1348 | size = SWAP4 (spnt[j].sh_size); | |
1349 | name = SWAP4 (spnt[j].sh_name); | |
1350 | ||
1351 | if (size > 0 | |
1352 | && (addr >= ppnt->p_vaddr) | |
1353 | && (addr + size) <= (ppnt->p_vaddr + ppnt->p_memsz)) | |
1354 | printf ("%s ", header + lastmapped + name); | |
1355 | } | |
1356 | } | |
1357 | else | |
1358 | { | |
1359 | lastmapped = spnt[epnt->e_shstrndx].sh_offset; | |
1360 | ||
1361 | for (j = 0; j < epnt->e_shnum; j++, spnt++) | |
1362 | { | |
1363 | if (spnt->sh_size > 0 | |
1364 | && (spnt->sh_addr >= ppnt->p_vaddr) | |
1365 | && (spnt->sh_addr + spnt->sh_size) | |
1366 | <= (ppnt->p_vaddr + ppnt->p_memsz)) | |
1367 | printf ("%s ", SECTION_NAME (spnt)); | |
1368 | } | |
1369 | } | |
1370 | ||
1371 | putc ('\n',stdout); | |
1372 | } | |
1373 | } | |
1374 | ||
1375 | if (elf_segments) | |
1376 | free (elf_segments); | |
1377 | } | |
1378 | ||
1379 | ||
1380 | static void | |
1381 | process_section_headers () | |
1382 | { | |
1383 | Elf_Shdr * spnt; | |
1384 | int i; | |
1385 | ||
1386 | if (must_swap) | |
1387 | { | |
1388 | Elf_Shdr * new_header = malloc (sizeof (* new_header) * epnt->e_shnum); | |
1389 | ||
1390 | if (new_header == NULL) | |
1391 | { | |
1392 | error (_("out of memory\n")); | |
1393 | return; | |
1394 | } | |
1395 | ||
1396 | memcpy (new_header, & header [epnt->e_shoff], | |
1397 | sizeof (* new_header) * epnt->e_shnum); | |
1398 | ||
1399 | elf_sections = spnt = new_header; | |
1400 | ||
1401 | for (i = 0; i < epnt->e_shnum; i++) | |
1402 | { | |
1403 | BYTE_SWAP (spnt + i, sh_name); | |
1404 | BYTE_SWAP (spnt + i, sh_type); | |
1405 | BYTE_SWAP (spnt + i, sh_flags); | |
1406 | BYTE_SWAP (spnt + i, sh_addr); | |
1407 | BYTE_SWAP (spnt + i, sh_offset); | |
1408 | BYTE_SWAP (spnt + i, sh_size); | |
1409 | BYTE_SWAP (spnt + i, sh_link); | |
1410 | BYTE_SWAP (spnt + i, sh_info); | |
1411 | BYTE_SWAP (spnt + i, sh_addralign); | |
1412 | BYTE_SWAP (spnt + i, sh_entsize); | |
1413 | ||
1414 | new_header ++; | |
1415 | } | |
1416 | } | |
1417 | else | |
1418 | { | |
1419 | elf_sections = spnt = (Elf_Shdr *) & header [epnt->e_shoff]; | |
1420 | } | |
1421 | ||
1422 | spnt += epnt->e_shstrndx; | |
1423 | lastmapped = spnt->sh_offset; | |
1424 | spnt = elf_sections; | |
1425 | ||
1426 | if (! do_section || (epnt->e_shnum == 0)) | |
1427 | return; | |
1428 | ||
1429 | if (! do_header) | |
1430 | printf (_("There are %d section headers, starting at offset %x:\n"), | |
1431 | epnt->e_shnum, epnt->e_shoff); | |
1432 | ||
1433 | printf (_("\nSection Header%s....\n"), epnt->e_shnum > 1 ? "s" : ""); | |
1434 | printf (_(" [Nr] Name Type Addr Off Size ES Flg Lk In Al\n")); | |
1435 | ||
1436 | for (i = 0; i < epnt->e_shnum; i++) | |
1437 | { | |
1438 | printf (" [%2d] %-14s", i, SECTION_NAME (spnt)); | |
1439 | ||
1440 | printf (" %-18s ",get_section_type_name (spnt->sh_type)); | |
c18f8aef | 1441 | printf ( "%8.8lx %6.6lx %6.6lx %2.2lx", |
76466873 NC |
1442 | spnt->sh_addr, |
1443 | spnt->sh_offset, | |
1444 | spnt->sh_size, | |
1445 | spnt->sh_entsize); | |
1446 | ||
c18f8aef | 1447 | printf (" %c%c%c %2ld %2lx %ld \n", |
76466873 NC |
1448 | (spnt->sh_flags & 1 ? 'W' : ' '), |
1449 | (spnt->sh_flags & 2 ? 'A' : ' '), | |
1450 | (spnt->sh_flags & 4 ? 'X' : ' '), | |
1451 | spnt->sh_link, | |
1452 | spnt->sh_info, | |
1453 | spnt->sh_addralign); | |
1454 | spnt ++; | |
1455 | } | |
1456 | } | |
1457 | ||
1458 | /* Parse the dynamic segment */ | |
1459 | static void | |
1460 | process_dynamic_segment () | |
1461 | { | |
1462 | Elf_Dyn * elf_dynamic; | |
1463 | unsigned int i; | |
1464 | ||
1465 | dynamic_size = dynamic_size / sizeof (Elf_Dyn); | |
1466 | ||
1467 | if (must_swap) | |
1468 | { | |
1469 | Elf_Dyn * new_header = malloc (sizeof (* new_header) * dynamic_size); | |
1470 | ||
1471 | if (new_header == NULL) | |
1472 | { | |
1473 | error (_("out of memory\n")); | |
1474 | return; | |
1475 | } | |
1476 | ||
1477 | memcpy (new_header, & header [dynamic_addr], | |
1478 | sizeof (* new_header) * dynamic_size); | |
1479 | ||
1480 | elf_dynamic = dpnt = new_header; | |
1481 | ||
1482 | for (i = 0; i < dynamic_size; i++) | |
1483 | { | |
1484 | BYTE_SWAP (dpnt + i, d_tag); | |
1485 | BYTE_SWAP (dpnt + i, d_un.d_ptr); | |
1486 | ||
1487 | new_header ++; | |
1488 | } | |
1489 | } | |
1490 | else | |
1491 | { | |
1492 | dpnt = (Elf_Dyn *) & header [dynamic_addr]; | |
1493 | elf_dynamic = NULL; | |
1494 | } | |
1495 | ||
1496 | /* Find symtab. */ | |
1497 | for (i = 0; i < dynamic_size; ++i, ++dpnt) | |
1498 | if (dpnt->d_tag == DT_SYMTAB) | |
1499 | { | |
1500 | dynamic_info [DT_SYMTAB] = dpnt->d_un.d_val; | |
1501 | symtab = (Elf_Sym *) (header - loadaddr | |
1502 | + dynamic_info[DT_SYMTAB]); | |
1503 | } | |
1504 | else if (dpnt->d_tag == DT_STRTAB) | |
1505 | { | |
1506 | dynamic_info [DT_STRTAB] = dpnt->d_un.d_val; | |
1507 | strtab = (char *) (header - loadaddr + dynamic_info[DT_STRTAB]); | |
1508 | } | |
1509 | ||
1510 | if (do_dynamic && dynamic_addr) | |
1511 | { | |
1512 | printf (_("\n Dynamic section data: %x, %d entries\n"), | |
1513 | dynamic_addr, dynamic_size ); | |
1514 | } | |
1515 | ||
1516 | for (i = 0; i < dynamic_size; i++) | |
1517 | { | |
1518 | if (do_dynamic) | |
1519 | printf (_(" Tag: %#10x: "), dpnt->d_tag); | |
1520 | ||
1521 | switch (dpnt->d_tag) | |
1522 | { | |
1523 | case DT_AUXILIARY: | |
1524 | case DT_FILTER: | |
1525 | if (do_dynamic) | |
1526 | { | |
1527 | printf ("(%-11s)", filtertype [DT_FILTER - dpnt->d_tag]); | |
1528 | ||
1529 | if (dynamic_info [DT_STRTAB]) | |
1530 | { | |
1531 | if (dpnt->d_tag == DT_AUXILIARY) | |
1532 | printf (_("Auxiliary library")); | |
1533 | else | |
1534 | printf (_("Filter library")); | |
1535 | ||
1536 | printf (": [%s]\n", (dpnt->d_un.d_val + strtab)); | |
1537 | } | |
1538 | else | |
1539 | printf (_("Value %x\n"), dpnt->d_un.d_val); | |
1540 | } | |
1541 | break; | |
1542 | ||
1543 | case DT_NULL : | |
1544 | case DT_NEEDED : | |
1545 | case DT_PLTRELSZ: | |
1546 | case DT_PLTGOT : | |
1547 | case DT_HASH : | |
1548 | case DT_STRTAB : | |
1549 | case DT_SYMTAB : | |
1550 | case DT_RELA : | |
1551 | case DT_RELASZ : | |
1552 | case DT_RELAENT : | |
1553 | case DT_STRSZ : | |
1554 | case DT_SYMENT : | |
1555 | case DT_INIT : | |
1556 | case DT_FINI : | |
1557 | case DT_SONAME : | |
1558 | case DT_RPATH : | |
1559 | case DT_SYMBOLIC: | |
1560 | case DT_REL : | |
1561 | case DT_RELSZ : | |
1562 | case DT_RELENT : | |
1563 | case DT_PLTREL : | |
1564 | case DT_DEBUG : | |
1565 | case DT_TEXTREL : | |
1566 | case DT_JMPREL : | |
1567 | dynamic_info [dpnt->d_tag] = dpnt->d_un.d_val; | |
1568 | ||
1569 | if (do_dynamic) | |
1570 | { | |
1571 | printf ("(%-11s)", dyntype [dpnt->d_tag]); | |
1572 | ||
1573 | if (dynamic_info [DT_STRTAB]) | |
1574 | { | |
1575 | switch (dpnt->d_tag) | |
1576 | { | |
1577 | case DT_NEEDED: | |
1578 | printf (_("Shared library: [%s]\n"), | |
1579 | (dpnt->d_un.d_val + strtab)); | |
1580 | ||
1581 | if (strcmp (dpnt->d_un.d_val + strtab, pint)) | |
1582 | printf ("\n"); | |
1583 | else | |
1584 | printf (_(" program interpreter\n")); | |
1585 | break; | |
1586 | ||
1587 | case DT_SONAME: | |
1588 | printf (_("Library soname: [%s]\n"), | |
1589 | (dpnt->d_un.d_val + strtab)); | |
1590 | break; | |
1591 | ||
1592 | case DT_RPATH: | |
1593 | printf (_("Library rpath: [%s]\n"), | |
1594 | (dpnt->d_un.d_val + strtab)); | |
1595 | break; | |
1596 | ||
1597 | default: | |
1598 | printf (_("Value %x\n"), dpnt->d_un.d_val); | |
1599 | } | |
1600 | } | |
1601 | else | |
1602 | printf (_("Value %x\n"), dpnt->d_un.d_val); | |
1603 | } | |
1604 | break; | |
1605 | ||
1606 | default: | |
1607 | if ((dpnt->d_tag >= DT_VERSYM) && (dpnt->d_tag <= DT_VERNEEDNUM)) | |
1608 | { | |
1609 | version_info [DT_VERSIONTAGIDX (dpnt->d_tag)] = dpnt->d_un.d_val; | |
1610 | ||
1611 | if (do_dynamic) | |
1612 | printf (_("(%-11s) Value %#x\n"), | |
1613 | vertype [DT_VERSIONTAGIDX (dpnt->d_tag)], | |
1614 | dpnt->d_un.d_ptr); | |
1615 | } | |
1616 | else | |
1617 | warn (_("<Invalid> Value %#x\n"), dpnt->d_un.d_ptr); | |
1618 | break; | |
1619 | } | |
1620 | ||
1621 | dpnt ++; | |
1622 | } | |
1623 | ||
1624 | if (do_reloc) | |
1625 | { | |
1626 | if (do_using_dynamic) | |
1627 | { | |
1628 | if (dynamic_info [DT_REL]) | |
1629 | { | |
1630 | rpnt = (Elf_Rel *) (header + dynamic_info [DT_REL] - loadaddr); | |
1631 | rel_size = dynamic_info [DT_RELSZ]; | |
1632 | if (rel_size) | |
1633 | { | |
1634 | printf (_("\nRelocation section data: %x %x\n"), | |
1635 | dynamic_info[DT_REL], rel_size); | |
1636 | dump_relocations (rpnt, rel_size); | |
1637 | } | |
1638 | else | |
1639 | printf (_("\nNo Relocations in this file\n")); | |
1640 | } | |
1641 | ||
1642 | if (dynamic_info[DT_RELA]) | |
1643 | { | |
1644 | rpnt = (Elf_Rel *) (header + dynamic_info[DT_RELA] - loadaddr); | |
1645 | rel_size = dynamic_info[DT_RELASZ]; | |
1646 | if (rel_size) | |
1647 | { | |
1648 | printf (_("\nRelocation section data: %x %x\n"), | |
1649 | dynamic_info[DT_RELA], rel_size); | |
1650 | dump_relocations (rpnt, rel_size); | |
1651 | } | |
1652 | else | |
1653 | printf (_("\nNo Relocations in this file\n")); | |
1654 | } | |
1655 | ||
1656 | if (dynamic_info[DT_JMPREL]) | |
1657 | { | |
1658 | rpnt = (Elf_Rel *) (header + dynamic_info[DT_JMPREL] | |
1659 | - loadaddr); | |
1660 | rel_size = dynamic_info[DT_PLTRELSZ]; | |
1661 | if (rel_size) | |
1662 | { | |
1663 | printf (_("\nJumptable Relocation section data: %x %x\n"), | |
1664 | dynamic_info[DT_JMPREL], rel_size); | |
1665 | dump_relocations (rpnt, rel_size); | |
1666 | } | |
1667 | else | |
1668 | printf (_("\nNo Relocations in this file\n")); | |
1669 | } | |
1670 | } | |
1671 | else | |
1672 | { | |
1673 | Elf_Shdr * spnt; | |
1674 | ||
1675 | spnt = elf_sections; | |
1676 | ||
1677 | for (i = 0; i < epnt->e_shnum; i++, spnt++) | |
1678 | { | |
1679 | Elf_Shdr * symsec; | |
1680 | ||
1681 | ||
1682 | if (spnt->sh_type != SHT_RELA && spnt->sh_type != SHT_REL) | |
1683 | continue; | |
1684 | ||
1685 | rpnt = (Elf_Rel *) (header + spnt->sh_offset); | |
1686 | ||
1687 | rel_size = spnt->sh_size; | |
1688 | ||
1689 | if (rel_size) | |
1690 | { | |
1691 | printf (_("\nRelocation section data: %s (%#x entries)\n"), | |
1692 | SECTION_NAME (spnt), rel_size / spnt->sh_entsize); | |
1693 | ||
1694 | symsec = & elf_sections [spnt->sh_link]; | |
1695 | symtab = (Elf_Sym *) (header + symsec->sh_offset); | |
1696 | strtab = (char *) (header | |
1697 | + elf_sections [symsec->sh_link].sh_offset); | |
1698 | ||
1699 | dump_relocations (rpnt, rel_size); | |
1700 | } | |
1701 | else | |
1702 | printf (_("\nNo Relocations in this file\n")); | |
1703 | } | |
1704 | } | |
1705 | } | |
1706 | ||
1707 | if (elf_dynamic) | |
1708 | free (elf_dynamic); | |
1709 | } | |
1710 | ||
1711 | /* Dump the symbol table */ | |
1712 | static void | |
1713 | process_symbol_table () | |
1714 | { | |
1715 | char * pnt; | |
1716 | int i; | |
1717 | Elf_Shdr * spnt; | |
1718 | ||
1719 | if (! do_syms) | |
1720 | return; | |
1721 | ||
1722 | if (dynamic_info [DT_HASH] && do_using_dynamic) | |
1723 | { | |
1724 | int nbucket; | |
1725 | int nchain; | |
1726 | int * elf_buckets; | |
1727 | int * chains; | |
1728 | int hn; | |
1729 | int si; | |
1730 | int * hash_addr; | |
1731 | ||
1732 | hash_addr = (int *) (dynamic_info [DT_HASH] + header - loadaddr); | |
1733 | ||
1734 | nbucket = *hash_addr++; | |
1735 | nchain = *hash_addr++; | |
1736 | elf_buckets = hash_addr; | |
1737 | hash_addr += nbucket; | |
1738 | chains = hash_addr; | |
1739 | ||
1740 | printf (_("\n Symbol table for image\n")); | |
1741 | printf (_(" Num Buc: Value Size Type Bind Ot Ndx Name\n")); | |
1742 | ||
1743 | for (hn = 0; hn < nbucket; hn++) | |
1744 | { | |
1745 | if (! elf_buckets [hn]) | |
1746 | continue; | |
1747 | ||
1748 | for (si = elf_buckets[hn]; si; si = chains[si]) | |
1749 | { | |
1750 | pnt = strtab + symtab[si].st_name; | |
1751 | ||
c18f8aef | 1752 | printf ("%3d %3d: %8lx %5ld %6s %6s %2d ", si, hn, |
76466873 NC |
1753 | symtab[si].st_value, |
1754 | symtab[si].st_size, | |
1755 | sttinfo [ELF_ST_TYPE (symtab[si].st_info)], | |
1756 | stbinfo [ELF_ST_BIND (symtab[si].st_info)], | |
1757 | symtab[si].st_other); | |
1758 | ||
1759 | if (symtab[si].st_shndx == 0) | |
1760 | printf ("UND"); | |
1761 | else if ((symtab[si].st_shndx & 0xffff) == 0xfff1) | |
1762 | printf ("ABS"); | |
1763 | else if ((symtab[si].st_shndx & 0xffff) == 0xfff2) | |
1764 | printf ("COM"); | |
1765 | else | |
1766 | printf ("%3d", symtab[si].st_shndx); | |
1767 | printf (" %s\n", pnt); | |
1768 | } | |
1769 | } | |
1770 | } | |
1771 | else if (!do_using_dynamic) | |
1772 | { | |
1773 | int i; | |
1774 | unsigned short * vers_addr; | |
1775 | ||
1776 | spnt = elf_sections; | |
1777 | vers_addr = (short *) (version_info [DT_VERNEEDNUM - DT_VERSYM] | |
1778 | + header - loadaddr); | |
1779 | ||
1780 | for (i = 0; i < epnt->e_shnum; i++, spnt++) | |
1781 | { | |
1782 | unsigned int si; | |
1783 | ||
1784 | if (spnt->sh_type != SHT_SYMTAB && spnt->sh_type != SHT_DYNSYM) | |
1785 | continue; | |
1786 | ||
1787 | printf (_("\nSymbol data for: %s\n"), SECTION_NAME (spnt)); | |
1788 | printf (_(" Num: Value Size Type Bind Ot Ndx Name\n")); | |
1789 | ||
1790 | symtab = (Elf_Sym *) (header + spnt->sh_offset); | |
1791 | strtab = (char *) (header + elf_sections [spnt->sh_link].sh_offset); | |
1792 | ||
1793 | for (si = 0; si < spnt->sh_size / spnt->sh_entsize; si++) | |
1794 | { | |
1795 | Elf_Sym ssym; | |
1796 | Elf_Sym * psym; | |
1797 | Elf_Sym * new_header; | |
1798 | ||
1799 | psym = symtab + si; | |
1800 | ||
1801 | if (must_swap) | |
1802 | { | |
1803 | ssym = * psym; | |
1804 | ||
1805 | new_header = & ssym; | |
1806 | ||
1807 | BYTE_SWAP (psym, st_name); | |
1808 | BYTE_SWAP (psym, st_value); | |
1809 | BYTE_SWAP (psym, st_size); | |
1810 | BYTE_SWAP (psym, st_shndx); | |
1811 | ||
1812 | psym = new_header; | |
1813 | } | |
1814 | ||
1815 | pnt = strtab + psym->st_name; | |
1816 | ||
c18f8aef | 1817 | printf (" %3d: %8lx %5ld %-7s %-6s %2d ", si, |
76466873 NC |
1818 | psym->st_value, |
1819 | psym->st_size, | |
1820 | sttinfo [ELF_ST_TYPE (psym->st_info)], | |
1821 | stbinfo [ELF_ST_BIND (psym->st_info)], | |
1822 | psym->st_other); | |
1823 | ||
1824 | if (psym->st_shndx == 0) | |
1825 | printf ("UND"); | |
1826 | else if ((psym->st_shndx & 0xffff) == 0xfff1) | |
1827 | printf ("ABS"); | |
1828 | else if ((psym->st_shndx & 0xffff) == 0xfff2) | |
1829 | printf ("COM"); | |
1830 | else | |
1831 | printf ("%3d", psym->st_shndx); | |
1832 | printf (" %s", pnt); | |
1833 | ||
1834 | if (spnt->sh_type == SHT_DYNSYM && | |
1835 | version_info [DT_VERSIONTAGIDX (DT_VERSYM)] != 0 && | |
1836 | ((vers_addr[si] & 0x8000) || vers_addr[si] > 1)) | |
1837 | { | |
1838 | Elf_Vernaux * a; | |
1839 | ||
1840 | if (elf_sections [psym->st_shndx].sh_type == SHT_NOBITS | |
1841 | || psym->st_shndx == SHN_UNDEF) | |
1842 | { | |
1843 | Elf_Verneed * v; | |
1844 | ||
1845 | /* We must test both. */ | |
1846 | v = (Elf_Verneed *) | |
1847 | (version_info [DT_VERSIONTAGIDX (DT_VERNEED)] | |
1848 | + header - loadaddr); | |
1849 | ||
1850 | for (;;) | |
1851 | { | |
1852 | a = (Elf_Vernaux *)((char *)v + v->vn_aux); | |
1853 | ||
1854 | while (a->vna_other != vers_addr[si] | |
1855 | && a->vna_next != 0) | |
1856 | a = (Elf_Vernaux *)((char *)a + a->vna_next); | |
1857 | ||
1858 | if (a->vna_other == vers_addr[si]) | |
1859 | break; | |
1860 | ||
1861 | if (v->vn_next == 0) | |
1862 | { | |
1863 | if (elf_sections [psym->st_shndx].sh_type | |
1864 | != SHT_NOBITS) | |
1865 | error (_("bad dynamic symbol")); | |
1866 | ||
1867 | a = NULL; | |
1868 | break; | |
1869 | } | |
1870 | ||
1871 | v = (Elf_Verneed *)((char *)v + v->vn_next); | |
1872 | } | |
1873 | ||
1874 | if (a != NULL) | |
1875 | printf ("@%s (%d)", strtab + a->vna_name, a->vna_other); | |
1876 | } | |
1877 | else if ((elf_sections [psym->st_shndx].sh_type | |
1878 | == SHT_NOBITS && a == NULL) | |
1879 | || psym->st_shndx != SHN_UNDEF) | |
1880 | { | |
1881 | Elf_Verdef * v; | |
1882 | Elf_Verdaux * b; | |
1883 | ||
1884 | v = (Elf_Verdef *) | |
1885 | (version_info [DT_VERSIONTAGIDX (DT_VERDEF)] | |
1886 | + header - loadaddr); | |
1887 | ||
1888 | if (vers_addr[si] == 0x8001) | |
1889 | pnt = ""; | |
1890 | else | |
1891 | { | |
1892 | while (v->vd_ndx != (vers_addr [si] & 0x7fff)) | |
1893 | v = (Elf_Verdef *)((char *)v + v->vd_next); | |
1894 | ||
1895 | b = (Elf_Verdaux *) ((char *)v + v->vd_aux); | |
1896 | ||
1897 | if (psym->st_name != b->vda_name) | |
1898 | pnt = strtab + b->vda_name; | |
1899 | else | |
1900 | pnt = NULL; | |
1901 | } | |
1902 | ||
1903 | if (pnt) | |
1904 | printf ((vers_addr [si] & 0x8000) | |
1905 | ? "@%s" : "@@%s", pnt); | |
1906 | } | |
1907 | } | |
1908 | ||
1909 | puts (""); | |
1910 | } | |
1911 | } | |
1912 | } | |
1913 | ||
1914 | if (! do_version) | |
1915 | return; | |
1916 | ||
1917 | spnt = elf_sections; | |
1918 | ||
1919 | for (i = 0; i < epnt->e_shnum; i++, spnt++) | |
1920 | { | |
1921 | if (spnt->sh_type == SHT_GNU_verdef) | |
1922 | { | |
1923 | Elf_Shdr * dspnt = &elf_sections[spnt->sh_link]; | |
1924 | unsigned int idx; | |
1925 | unsigned int cnt; | |
1926 | ||
1927 | strtab = (char *) (header - loadaddr + dynamic_info[DT_STRTAB]); | |
1928 | ||
1929 | printf (_("\n Version definitions:%s (%#0x entries)\n"), | |
1930 | SECTION_NAME(spnt), spnt->sh_info); | |
1931 | printf (_("Addr: %#08x Offset: %#08x Link: %x (%s)\n"), | |
1932 | spnt->sh_addr, spnt->sh_offset, spnt->sh_link, | |
1933 | SECTION_NAME(dspnt)); | |
1934 | ||
1935 | for (idx = cnt = 0; cnt < spnt->sh_info; ++cnt) | |
1936 | { | |
1937 | Elf_Verdef * ent = (Elf_Verdef *) | |
1938 | ((char *) header + spnt->sh_offset + idx); | |
1939 | Elf_Verdaux * aux = (Elf_Verdaux *) | |
1940 | ((char *) ent + ent->vd_aux); | |
1941 | int j, isum; | |
1942 | ||
1943 | printf (_("%#06x: Rev: %d Flags: "), idx, ent->vd_version); | |
1944 | ||
1945 | if (ent->vd_flags == 0) | |
1946 | printf (_("none")); | |
1947 | else | |
1948 | { | |
1949 | int f = 1; | |
1950 | if (ent->vd_flags & 0x1) | |
1951 | { | |
1952 | printf (_("BASE")); | |
1953 | f = 0; | |
1954 | } | |
1955 | if (ent->vd_flags & 0x2) | |
1956 | { | |
1957 | printf (_("%sWEAK"), f ? "" : "|"); | |
1958 | f = 0; | |
1959 | } | |
1960 | } | |
1961 | printf (_(" Index: %d Cnt: %d Name: %s\n"), | |
1962 | ent->vd_ndx, ent->vd_cnt, strtab + aux->vda_name); | |
1963 | j = 1; | |
1964 | isum = idx + ent->vd_aux; | |
1965 | while (j < ent->vd_cnt) | |
1966 | { | |
1967 | isum += aux->vda_next; | |
1968 | aux = (Elf_Verdaux *)((char *)aux + aux->vda_next); | |
1969 | printf (_(" %#06x: Parent %d: %s\n"), isum, j, | |
1970 | strtab + aux->vda_name); | |
1971 | ++j; | |
1972 | } | |
1973 | ||
1974 | idx += ent->vd_next; | |
1975 | } | |
1976 | } | |
1977 | ||
1978 | if (spnt->sh_type == SHT_GNU_verneed) | |
1979 | { | |
1980 | Elf_Shdr * dspnt = &elf_sections[spnt->sh_link]; | |
1981 | unsigned int idx; | |
1982 | unsigned int cnt; | |
1983 | ||
1984 | strtab = (char *) (header - loadaddr + dynamic_info[DT_STRTAB]); | |
1985 | printf (_("\n Needed versions:%s (%#0x entries)\n"), | |
1986 | SECTION_NAME (spnt), spnt->sh_info); | |
1987 | printf (_("Addr: %#08x Offset: %#08x Link: %x (%s)\n"), | |
1988 | spnt->sh_addr, spnt->sh_offset, spnt->sh_link, | |
1989 | SECTION_NAME (dspnt)); | |
1990 | ||
1991 | for (idx = cnt = 0; cnt < spnt->sh_info; ++cnt) | |
1992 | { | |
1993 | Elf_Verneed * ent = (Elf_Verneed *) | |
1994 | ((char *) header + spnt->sh_offset + idx); | |
1995 | Elf_Vernaux * aux = (Elf_Vernaux *) | |
1996 | ((char *) ent + ent->vn_aux); | |
1997 | int j, isum; | |
1998 | ||
1999 | printf (_("%#06x: Version: %d File: %s Cnt: %d\n"), | |
2000 | idx, ent->vn_version, strtab + ent->vn_file,ent->vn_cnt); | |
2001 | ||
2002 | for (j = 0, isum = idx + ent->vn_aux; j < ent->vn_cnt; ++j) | |
2003 | { | |
2004 | printf (_(" %#06x: Name: %s Flags: %s Version: %d\n"), | |
2005 | isum, strtab+aux->vna_name, | |
2006 | aux->vna_flags & 0x2 ? "WEAK" : "none", | |
2007 | aux->vna_other); | |
2008 | isum += aux->vna_next; | |
2009 | aux = (Elf_Vernaux *)((char *) aux + aux->vna_next); | |
2010 | } | |
2011 | ||
2012 | idx += ent->vn_next; | |
2013 | } | |
2014 | } | |
2015 | ||
2016 | if (spnt->sh_type == SHT_GNU_versym) | |
2017 | { | |
2018 | Elf_Shdr * dspnt = &elf_sections[spnt->sh_link]; | |
2019 | int total = spnt->sh_size / spnt->sh_entsize; | |
2020 | int cnt; | |
2021 | unsigned short * p = (short *) | |
2022 | (version_info[DT_VERNEEDNUM - DT_VERSYM] + header - loadaddr); | |
2023 | ||
2024 | symtab = (Elf_Sym *) (header + dspnt->sh_offset); | |
2025 | strtab = (char *) (header + elf_sections[dspnt->sh_link].sh_offset); | |
2026 | ||
2027 | printf (_("\n Version symbols:%s (%#0x entries)\n"), | |
2028 | SECTION_NAME (spnt), total); | |
2029 | printf (_("Addr: %#08x Offset: %#08x Link: %x (%s)\n"), | |
2030 | spnt->sh_addr, spnt->sh_offset, spnt->sh_link, | |
2031 | SECTION_NAME (dspnt)); | |
2032 | ||
2033 | for (cnt = 0; cnt < total; cnt += 4) | |
2034 | { | |
2035 | int j, nn; | |
2036 | ||
2037 | printf ("%#08x:", cnt); | |
2038 | ||
2039 | for (j = 0; (j < 4) && (cnt + j) < total; ++j) | |
2040 | switch (p[cnt + j]) | |
2041 | { | |
2042 | case 0: | |
2043 | printf (" 0 (*local*) "); | |
2044 | break; | |
2045 | case 1: | |
2046 | printf (" 1 (*global*) "); | |
2047 | break; | |
2048 | default: | |
2049 | nn = printf ("%4x%c", p[cnt + j] & 0x7fff, | |
2050 | p[cnt + j] & 0x8000 ? 'h' : ' '); | |
2051 | if (elf_sections[symtab[cnt + j].st_shndx].sh_type | |
2052 | == SHT_NOBITS) | |
2053 | { | |
2054 | /* We must test both. */ | |
2055 | Elf_Verneed * v = (Elf_Verneed *) | |
2056 | (version_info [DT_VERNEEDNUM - DT_VERNEED] | |
2057 | + header - loadaddr); | |
2058 | Elf_Vernaux * a = NULL; | |
2059 | ||
2060 | for (;;) | |
2061 | { | |
2062 | a = (Elf_Vernaux *)((char *) v + v->vn_aux); | |
2063 | ||
2064 | while (a->vna_other != p[cnt + j] | |
2065 | && a->vna_next != 0) | |
2066 | a = (Elf_Vernaux *)((char *) a + a->vna_next); | |
2067 | ||
2068 | if (a->vna_other == p[cnt + j]) | |
2069 | break; | |
2070 | ||
2071 | if (v->vn_next == 0) | |
2072 | { | |
2073 | a = NULL; | |
2074 | break; | |
2075 | } | |
2076 | ||
2077 | v = (Elf_Verneed *)((char *)v + v->vn_next); | |
2078 | } | |
2079 | ||
2080 | if (a != NULL) | |
2081 | nn += printf ("(%s)", strtab + a->vna_name); | |
2082 | else | |
2083 | { | |
2084 | Elf_Verdef * v = (Elf_Verdef *) | |
2085 | (version_info [DT_VERNEEDNUM - DT_VERDEF] | |
2086 | + header - loadaddr); | |
2087 | Elf_Verdaux * a; | |
2088 | ||
2089 | if (p[cnt + j] == 0x8001) | |
2090 | pnt = ""; | |
2091 | else | |
2092 | { | |
2093 | while (v->vd_ndx != (p[cnt + j]&0x7fff)) | |
2094 | v = (Elf_Verdef *)((char *)v + v->vd_next); | |
2095 | ||
2096 | a = (Elf_Verdaux *) ((char *) v + v->vd_aux); | |
2097 | pnt = strtab + a->vda_name; | |
2098 | } | |
2099 | ||
2100 | if (pnt) | |
2101 | nn += printf ("(%s)", pnt); | |
2102 | } | |
2103 | ||
2104 | if (nn <16) | |
2105 | printf ("%*c", 16 - nn, ' '); | |
2106 | } | |
2107 | else if (symtab[cnt + j].st_shndx ==SHN_UNDEF) | |
2108 | { | |
2109 | Elf_Verneed * v = (Elf_Verneed *) | |
2110 | (version_info [DT_VERNEEDNUM - DT_VERNEED] | |
2111 | + header - loadaddr); | |
2112 | Elf_Vernaux * a; | |
2113 | ||
2114 | for (;;) | |
2115 | { | |
2116 | a = (Elf_Vernaux *)((char *) v + v->vn_aux); | |
2117 | ||
2118 | while (a->vna_other != p[cnt + j] | |
2119 | && a->vna_next != 0) | |
2120 | a = (Elf_Vernaux *)((char *)a + a->vna_next); | |
2121 | ||
2122 | if (a->vna_other == p[cnt + j]) | |
2123 | break; | |
2124 | ||
2125 | v = (Elf_Verneed *)((char *) v + v->vn_next); | |
2126 | } | |
2127 | ||
2128 | nn += printf ("(%s)", strtab + a->vna_name); | |
2129 | ||
2130 | if (nn <16) | |
2131 | printf ("%*c", 16 - nn, ' '); | |
2132 | } | |
2133 | else | |
2134 | { | |
2135 | Elf_Verdef * v = (Elf_Verdef *) | |
2136 | (version_info [DT_VERNEEDNUM - DT_VERDEF] | |
2137 | + header - loadaddr); | |
2138 | Elf_Verdaux * a; | |
2139 | ||
2140 | if (p[cnt + j] == 0x8001) | |
2141 | pnt = ""; | |
2142 | else | |
2143 | { | |
2144 | while (v->vd_ndx != (p[cnt + j] & 0x7fff)) | |
2145 | v = (Elf_Verdef *)((char *) v + v->vd_next); | |
2146 | ||
2147 | a = (Elf_Verdaux *) ((char *) v + v->vd_aux); | |
2148 | pnt = strtab + a->vda_name; | |
2149 | } | |
2150 | ||
2151 | if (pnt) | |
2152 | nn += printf ("(%s)", pnt); | |
2153 | ||
2154 | if (nn <16) | |
2155 | printf ("%*c", 16 - nn, ' '); | |
2156 | } | |
2157 | } | |
2158 | ||
2159 | printf ("\n"); | |
2160 | } | |
2161 | } | |
2162 | } | |
2163 | } | |
2164 | ||
2165 | static void | |
2166 | process_section_contents () | |
2167 | { | |
2168 | Elf_Shdr * spnt; | |
2169 | int i; | |
2170 | ||
2171 | if (! do_dump) | |
2172 | return; | |
2173 | ||
2174 | spnt = elf_sections; | |
2175 | ||
2176 | for (i = 0; i < epnt->e_shnum; i++, spnt++) | |
2177 | { | |
2178 | int bytes; | |
2179 | int addr; | |
2180 | int lbytes; | |
2181 | unsigned char * my_addr; | |
2182 | ||
2183 | #ifdef SUPPORT_DISASSEMBLY | |
2184 | /* See if we need an assembly dump of this section */ | |
2185 | ||
2186 | if ((i < NUM_DUMP_SECTS) && (dump_sects[i] & DISASS_DUMP)) | |
2187 | { | |
2188 | printf (_("\nAssembly dump of section %s\n"), SECTION_NAME (spnt)); | |
2189 | ||
2190 | bytes = spnt->sh_size; | |
2191 | addr = spnt->sh_addr; | |
2192 | my_addr = (unsigned char *) (header + spnt->sh_offset); | |
2193 | ||
2194 | while (bytes > 0) | |
2195 | { | |
2196 | printf ("0x%8.8x ", addr); | |
2197 | ||
2198 | switch (epnt->e_machine) | |
2199 | { | |
2200 | case EM_386: | |
2201 | case EM_486: | |
2202 | lbytes = db_disasm ((unsigned int) my_addr, 0, 0) - | |
2203 | ((unsigned int) my_addr); | |
2204 | break; | |
2205 | case EM_68K: | |
2206 | lbytes = (m68k_disass ((unsigned int) my_addr, addr) | |
2207 | - (unsigned int) my_addr); | |
2208 | break; | |
2209 | default: | |
2210 | warn (_("Unable to disassemble code for this platform\n")); | |
2211 | return; | |
2212 | } | |
2213 | ||
2214 | addr += lbytes; | |
2215 | my_addr += lbytes; | |
2216 | bytes -= lbytes; | |
2217 | ||
2218 | printf ("\n"); | |
2219 | } | |
2220 | } | |
2221 | #endif | |
2222 | ||
2223 | /* OK, see if we need a hex dump of this section. */ | |
2224 | if ((i < NUM_DUMP_SECTS) && (dump_sects[i] & HEX_DUMP)) | |
2225 | { | |
2226 | int j; | |
2227 | int k; | |
2228 | ||
2229 | printf (_("\nHex dump of section %s\n"), SECTION_NAME (spnt)); | |
2230 | ||
2231 | bytes = spnt->sh_size; | |
2232 | addr = spnt->sh_addr; | |
2233 | my_addr = (unsigned char *) (header + spnt->sh_offset); | |
2234 | ||
2235 | while (bytes) | |
2236 | { | |
2237 | lbytes = (bytes > 16 ? 16 : bytes); | |
2238 | ||
2239 | printf ("0x%8.8x ",addr); | |
2240 | ||
2241 | switch (epnt->e_ident [EI_DATA]) | |
2242 | { | |
2243 | case ELFDATA2LSB: | |
2244 | for (j = 15; j >= 0; j --) | |
2245 | { | |
2246 | if (j < lbytes) | |
2247 | printf ("%2.2x", my_addr[j]); | |
2248 | else | |
2249 | printf (" "); | |
2250 | ||
2251 | if (!(j & 0x3)) | |
2252 | printf (" "); | |
2253 | } | |
2254 | break; | |
2255 | ||
2256 | case ELFDATA2MSB: | |
2257 | for (j = 0; j < 16; j++) | |
2258 | { | |
2259 | if (j < lbytes) | |
2260 | printf ("%2.2x", my_addr[j]); | |
2261 | else | |
2262 | printf (" "); | |
2263 | ||
2264 | if ((j & 3) == 3) | |
2265 | printf (" "); | |
2266 | } | |
2267 | break; | |
2268 | } | |
2269 | ||
2270 | for (j = 0; j < lbytes; j++) | |
2271 | { | |
2272 | k = my_addr [j]; | |
2273 | if (k >= ' ' && k < 0x80) | |
2274 | printf ("%c", k); | |
2275 | else | |
2276 | printf ("."); | |
2277 | } | |
2278 | ||
2279 | printf ("\n"); | |
2280 | ||
2281 | my_addr += lbytes; | |
2282 | addr += lbytes; | |
2283 | bytes -= lbytes; | |
2284 | } | |
2285 | } | |
2286 | } | |
2287 | } | |
2288 | ||
2289 | static void | |
2290 | process_file (file_name) | |
2291 | char * file_name; | |
2292 | { | |
2293 | int fd; | |
2294 | struct stat statbuf; | |
2295 | ||
2296 | must_swap = 0; | |
2297 | ||
2298 | fd = open (file_name, O_RDONLY); | |
2299 | if (fd == -1) | |
2300 | { | |
2301 | error (_("Input file %s not found.\n"), file_name); | |
2302 | return; | |
2303 | } | |
2304 | ||
2305 | if (fstat (fd, & statbuf) < 0) | |
2306 | { | |
2307 | error (_("Cannot stat input file %s.\n"), file_name); | |
2308 | close (fd); | |
2309 | return; | |
2310 | } | |
2311 | ||
2312 | header = mmap (0, statbuf.st_size, PROT_READ, MAP_PRIVATE, fd, 0); | |
2313 | ||
2314 | if ((header == (char *) -1) || (header == NULL)) | |
2315 | { | |
2316 | error (_("Cannot mmap %s: %s\n"), file_name, strerror (errno)); | |
2317 | close (fd); | |
2318 | return; | |
2319 | } | |
2320 | ||
2321 | close (fd); | |
2322 | ||
2323 | epnt = (Elf_Ehdr *) header; | |
2324 | ||
2325 | if (show_name) | |
2326 | printf (_("\nFile: %s\n"), file_name); | |
2327 | ||
2328 | if (! process_elf_header ()) | |
2329 | { | |
2330 | munmap (header, statbuf.st_size); | |
2331 | return; | |
2332 | } | |
2333 | ||
2334 | process_program_headers (); | |
2335 | ||
2336 | if (loadaddr == -1) | |
2337 | { | |
2338 | /* Very strange. */ | |
2339 | loadaddr = 0; | |
2340 | } | |
2341 | ||
2342 | process_section_headers (); | |
2343 | ||
2344 | process_dynamic_segment (); | |
2345 | ||
2346 | process_symbol_table (); | |
2347 | ||
2348 | process_section_contents (); | |
2349 | ||
2350 | munmap (header, statbuf.st_size); | |
2351 | ||
2352 | if (must_swap) | |
2353 | { | |
2354 | if (epnt) | |
2355 | { | |
2356 | free (epnt); | |
2357 | epnt = NULL; | |
2358 | } | |
2359 | ||
2360 | if (elf_sections) | |
2361 | { | |
2362 | free (elf_sections); | |
2363 | elf_sections = NULL; | |
2364 | } | |
2365 | } | |
2366 | } | |
2367 | ||
2368 | #ifdef SUPPORT_DISASSEMBLY | |
2369 | /* Needed by the i386 disassembler. For extra credit, someone could | |
2370 | fix this so that we insert symbolic addresses here, esp for GOT/PLT | |
2371 | symbols */ | |
2372 | ||
2373 | void | |
2374 | print_address (unsigned int addr, FILE * outfile) | |
2375 | { | |
2376 | fprintf (outfile,"0x%8.8x", addr); | |
2377 | } | |
2378 | ||
2379 | /* Needed by the i386 disassembler. */ | |
2380 | void | |
2381 | db_task_printsym (unsigned int addr) | |
2382 | { | |
2383 | print_address (addr, stderr); | |
2384 | } | |
2385 | #endif | |
2386 | ||
2387 | int | |
2388 | main (argc, argv) | |
2389 | int argc; | |
2390 | char ** argv; | |
2391 | { | |
2392 | parse_args (argc, argv); | |
2393 | ||
2394 | expected_endian = 0x12345678; | |
2395 | ||
2396 | if (* ((char *) & expected_endian) == 0x12) | |
2397 | expected_endian = ELFDATA2MSB; | |
2398 | else | |
2399 | expected_endian = ELFDATA2LSB; | |
2400 | ||
2401 | if (optind < (argc - 1)) | |
2402 | show_name = 1; | |
2403 | ||
2404 | while (optind < argc) | |
2405 | process_file (argv [optind ++]); | |
2406 | ||
2407 | return 0; | |
2408 | } |