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