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. */ | |
ebb64169 | 23 | \f |
76466873 NC |
24 | |
25 | #include <assert.h> | |
76466873 | 26 | #include <sys/stat.h> |
ebb64169 | 27 | #include <stdio.h> |
76466873 | 28 | |
cb436f39 NC |
29 | #include "bfd.h" |
30 | #include "elf/common.h" | |
31 | #include "elf/ppc.h" | |
32 | #include "elf/m32r.h" | |
33 | #include "elf/mips.h" | |
34 | #include "elf/external.h" | |
35 | #include "elf/internal.h" | |
36 | ||
ebb64169 | 37 | #include "bucomm.h" |
c18f8aef | 38 | #include "getopt.h" |
76466873 NC |
39 | |
40 | #ifdef ANSI_PROTOTYPES | |
41 | #include <stdarg.h> | |
42 | #else | |
43 | #include <varargs.h> | |
44 | #endif | |
45 | ||
cb436f39 NC |
46 | char * program_name = "readelf"; |
47 | unsigned int dynamic_addr; | |
48 | unsigned int dynamic_size; | |
49 | unsigned int rela_addr; | |
50 | unsigned int rela_size; | |
51 | char * dynamic_strings; | |
52 | char * string_table; | |
53 | Elf_Internal_Sym * dynamic_symbols; | |
54 | char program_interpreter [64]; | |
55 | int dynamic_info [DT_JMPREL + 1]; | |
56 | int version_info [16]; | |
57 | int loadaddr = 0; | |
58 | Elf_Internal_Ehdr elf_header; | |
59 | Elf_Internal_Shdr * section_headers; | |
60 | int show_name; | |
61 | int do_dynamic; | |
62 | int do_syms; | |
63 | int do_reloc; | |
64 | int do_sections; | |
65 | int do_segments; | |
66 | int do_using_dynamic; | |
67 | int do_header; | |
68 | int do_dump; | |
69 | int do_version; | |
70 | ||
71 | static unsigned long int (* byte_get)(unsigned char *, int); | |
76466873 NC |
72 | |
73 | #define NUM_DUMP_SECTS 100 | |
cb436f39 NC |
74 | char dump_sects [NUM_DUMP_SECTS]; |
75 | ||
76466873 NC |
76 | #define HEX_DUMP 1 |
77 | #define DISASS_DUMP 2 | |
78 | ||
79 | /* Forward declarations for dumb compilers. */ | |
ebb64169 | 80 | static char * get_dynamic_type PARAMS ((unsigned long)); |
cb436f39 NC |
81 | static char * get_i386_rel_type PARAMS ((unsigned long rtype)); |
82 | static char * get_m68k_rel_type PARAMS ((unsigned long rtype)); | |
83 | static char * get_sparc_rel_type PARAMS ((unsigned long rtype)); | |
84 | static char * get_m32r_rel_type PARAMS ((unsigned long rtype)); | |
85 | static char * get_v850_rel_type PARAMS ((unsigned long rtype)); | |
86 | static char * get_d10v_rel_type PARAMS ((unsigned long rtype)); | |
2f300fe6 | 87 | /* start-sanitize-d30v */ |
cb436f39 | 88 | static char * get_d30v_rel_type PARAMS ((unsigned long rtype)); |
2f300fe6 | 89 | /* end-sanitize-d30v */ |
cb436f39 NC |
90 | static char * get_sh_rel_type PARAMS ((unsigned long rtype)); |
91 | static char * get_mn10300_rel_type PARAMS ((unsigned long rtype)); | |
92 | static char * get_mn10200_rel_type PARAMS ((unsigned long rtype)); | |
93 | static char * get_ppc_rel_type PARAMS ((unsigned long rtype)); | |
94 | static int dump_relocations | |
95 | PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Sym *, char *)); | |
ebb64169 NC |
96 | static char * get_file_type PARAMS ((unsigned e_type)); |
97 | static char * get_machine_name PARAMS ((unsigned e_machine)); | |
98 | static char * get_machine_data PARAMS ((unsigned e_data)); | |
99 | static char * get_machine_flags PARAMS ((unsigned, unsigned e_machine)); | |
100 | static char * get_segment_type PARAMS ((unsigned long p_type)); | |
76466873 | 101 | static char * get_section_type_name PARAMS ((unsigned int sh_type)); |
ebb64169 NC |
102 | static char * get_symbol_binding PARAMS ((unsigned int binding)); |
103 | static char * get_symbol_type PARAMS ((unsigned int type)); | |
76466873 NC |
104 | static void usage PARAMS ((void)); |
105 | static void parse_args PARAMS ((int argc, char ** argv)); | |
ebb64169 | 106 | static int process_file_header PARAMS ((void)); |
cb436f39 NC |
107 | static int process_program_headers PARAMS ((FILE *)); |
108 | static int process_section_headers PARAMS ((FILE *)); | |
109 | static int process_dynamic_segment PARAMS ((FILE *)); | |
110 | static int process_symbol_table PARAMS ((FILE *)); | |
111 | static int process_section_contents PARAMS ((FILE *)); | |
76466873 | 112 | static void process_file PARAMS ((char * file_name)); |
cb436f39 NC |
113 | static int process_relocs PARAMS ((FILE *)); |
114 | static int process_version_sections PARAMS ((FILE *)); | |
ebb64169 NC |
115 | static char * get_ver_flags PARAMS ((unsigned short flags)); |
116 | static char * get_symbol_index_type PARAMS ((unsigned short type)); | |
cb436f39 NC |
117 | static int get_section_headers PARAMS ((FILE * file)); |
118 | static int get_file_header PARAMS ((FILE * file)); | |
119 | static Elf_Internal_Sym * get_elf_symbols | |
120 | PARAMS ((FILE * file, unsigned long offset, unsigned long number)); | |
121 | static int * get_dynamic_data PARAMS ((FILE * file, unsigned int number)); | |
122 | ||
123 | #define SECTION_NAME(X) (string_table + (X)->sh_name) | |
124 | ||
125 | #define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */ | |
126 | ||
127 | #define BYTE_GET(field) byte_get (field, sizeof (field)) | |
128 | ||
129 | #define NUM_ELEM(array) (sizeof (array) / sizeof ((array)[0])) | |
76466873 | 130 | |
ebb64169 NC |
131 | #define GET_DATA_ALLOC(offset, size, var, type, reason) \ |
132 | if (fseek (file, offset, SEEK_SET)) \ | |
133 | { \ | |
134 | error (_("Unable to seek to start of %s at %x\n"), reason, offset); \ | |
cb436f39 | 135 | return 0; \ |
ebb64169 NC |
136 | } \ |
137 | \ | |
138 | var = (type) malloc (size); \ | |
139 | \ | |
140 | if (var == NULL) \ | |
141 | { \ | |
142 | error (_("Out of memory allocating %d bytes for %s\n"), size, reason); \ | |
cb436f39 | 143 | return 0; \ |
ebb64169 NC |
144 | } \ |
145 | \ | |
146 | if (fread (var, size, 1, file) != 1) \ | |
147 | { \ | |
148 | error (_("Unable to read in %d bytes of %s\n"), size, reason); \ | |
149 | free (var); \ | |
150 | var = NULL; \ | |
cb436f39 | 151 | return 0; \ |
ebb64169 NC |
152 | } |
153 | ||
154 | ||
155 | #define GET_DATA(offset, var, reason) \ | |
156 | if (fseek (file, offset, SEEK_SET)) \ | |
157 | { \ | |
158 | error (_("Unable to seek to %x for %s\n"), offset, reason); \ | |
cb436f39 | 159 | return 0; \ |
ebb64169 NC |
160 | } \ |
161 | else if (fread (& var, sizeof (var), 1, file) != 1) \ | |
162 | { \ | |
163 | error (_("Unable to read data at %x for %s\n"), offset, reason); \ | |
cb436f39 | 164 | return 0; \ |
ebb64169 | 165 | } |
76466873 NC |
166 | |
167 | #ifdef ANSI_PROTOTYPES | |
168 | static void | |
169 | error (const char * message, ...) | |
170 | { | |
171 | va_list args; | |
172 | ||
173 | fprintf (stderr, _("%s: Error: "), program_name); | |
174 | va_start (args, message); | |
175 | vfprintf (stderr, message, args); | |
176 | va_end (args); | |
177 | return; | |
178 | } | |
179 | ||
180 | static void | |
181 | warn (const char * message, ...) | |
182 | { | |
183 | va_list args; | |
184 | ||
185 | fprintf (stderr, _("%s: Warning: "), program_name); | |
186 | va_start (args, message); | |
187 | vfprintf (stderr, message, args); | |
188 | va_end (args); | |
189 | return; | |
190 | } | |
191 | #else | |
192 | static void | |
193 | error (va_alist) | |
194 | { | |
195 | char * message; | |
196 | va_list args; | |
197 | ||
198 | fprintf (stderr, _("%s: Error: "), program_name); | |
199 | va_start (args); | |
200 | message = va_arg (args, char *); | |
201 | vfprintf (stderr, message, args); | |
202 | va_end (args); | |
203 | return; | |
204 | } | |
205 | ||
206 | static void | |
207 | warn (va_alist) | |
208 | va_dcl; | |
209 | { | |
210 | char * message; | |
211 | va_list args; | |
212 | ||
213 | fprintf (stderr, _("%s: Warning: "), program_name); | |
214 | va_start (args); | |
215 | message = va_arg (args, char *); | |
216 | vfprintf (stderr, message, args); | |
217 | va_end (args); | |
218 | return; | |
219 | } | |
220 | #endif | |
221 | ||
cb436f39 NC |
222 | static unsigned long int |
223 | byte_get_little_endian (field, size) | |
224 | unsigned char * field; | |
225 | int size; | |
226 | { | |
227 | switch (size) | |
228 | { | |
229 | case 1: | |
230 | return * field; | |
231 | ||
232 | case 2: | |
233 | return ((unsigned int) (field [0])) | |
234 | | (((unsigned int) (field [1])) << 8); | |
235 | ||
236 | case 4: | |
237 | return ((unsigned long) (field [0])) | |
238 | | (((unsigned long) (field [1])) << 8) | |
239 | | (((unsigned long) (field [2])) << 16) | |
240 | | (((unsigned long) (field [3])) << 24); | |
241 | ||
242 | default: | |
243 | error (_("Unhandled data length: %d\n"), size); | |
244 | abort(); | |
245 | } | |
246 | } | |
247 | ||
248 | static unsigned long int | |
249 | byte_get_big_endian (field, size) | |
250 | unsigned char * field; | |
251 | int size; | |
252 | { | |
253 | switch (size) | |
254 | { | |
255 | case 1: | |
256 | return * field; | |
257 | ||
258 | case 2: | |
259 | return ((unsigned int) (field [1])) | (((int) (field [0])) << 8); | |
260 | ||
261 | case 4: | |
262 | return ((unsigned long) (field [3])) | |
263 | | (((unsigned long) (field [2])) << 8) | |
264 | | (((unsigned long) (field [1])) << 16) | |
265 | | (((unsigned long) (field [0])) << 24); | |
266 | ||
267 | default: | |
268 | error (_("Unhandled data length: %d\n"), size); | |
269 | abort(); | |
270 | } | |
271 | } | |
76466873 NC |
272 | |
273 | static char * | |
274 | get_i386_rel_type (rtype) | |
cb436f39 | 275 | unsigned long rtype; |
76466873 NC |
276 | { |
277 | switch (rtype) | |
278 | { | |
279 | case 0: return "R_386_NONE"; | |
280 | case 1: return "R_386_32"; | |
281 | case 2: return "R_386_PC32"; | |
282 | case 3: return "R_386_GOT32"; | |
283 | case 4: return "R_386_PLT32"; | |
284 | case 5: return "R_386_COPY"; | |
285 | case 6: return "R_386_GLOB_DAT"; | |
286 | case 7: return "R_386_JMP_SLOT"; | |
287 | case 8: return "R_386_RELATIVE"; | |
288 | case 9: return "R_386_GOTOFF"; | |
289 | case 10: return "R_386_GOTPC"; | |
290 | case 20: return "R_386_16"; | |
291 | case 21: return "R_386_PC16"; | |
292 | case 22: return "R_386_PC8"; | |
293 | case 23: return "R_386_max"; | |
294 | default: return _("*INVALID*"); | |
295 | } | |
296 | } | |
297 | ||
298 | static char * | |
299 | get_m68k_rel_type (rtype) | |
cb436f39 | 300 | unsigned long rtype; |
76466873 NC |
301 | { |
302 | switch (rtype) | |
303 | { | |
304 | case 0: return "R_68K_NONE"; | |
305 | case 1: return "R_68K_32"; | |
306 | case 2: return "R_68K_16"; | |
307 | case 3: return "R_68K_8"; | |
308 | case 4: return "R_68K_PC32"; | |
309 | case 5: return "R_68K_PC16"; | |
310 | case 6: return "R_68K_PC8"; | |
311 | case 7: return "R_68K_GOT32"; | |
312 | case 8: return "R_68K_GOT16"; | |
313 | case 9: return "R_68K_GOT8"; | |
314 | case 10: return "R_68K_GOT32O"; | |
315 | case 11: return "R_68K_GOT16O"; | |
316 | case 12: return "R_68K_GOT8O"; | |
317 | case 13: return "R_68K_PLT32"; | |
318 | case 14: return "R_68K_PLT16"; | |
319 | case 15: return "R_68K_PLT8"; | |
320 | case 16: return "R_68K_PLT32O"; | |
321 | case 17: return "R_68K_PLT16O"; | |
322 | case 18: return "R_68K_PLT8O"; | |
323 | case 19: return "R_68K_COPY"; | |
324 | case 20: return "R_68K_GLOB_DAT"; | |
325 | case 21: return "R_68K_JMP_SLOT"; | |
326 | case 22: return "R_68K_RELATIVE"; | |
327 | default: return _("*INVALID*"); | |
328 | } | |
329 | } | |
330 | ||
331 | ||
332 | static char * | |
333 | get_sparc_rel_type (rtype) | |
cb436f39 | 334 | unsigned long rtype; |
76466873 NC |
335 | { |
336 | switch (rtype) | |
337 | { | |
338 | case 0: return "R_SPARC_NONE"; | |
339 | case 1: return "R_SPARC_8"; | |
340 | case 2: return "R_SPARC_16"; | |
341 | case 3: return "R_SPARC_32"; | |
342 | case 4: return "R_SPARC_DISP8"; | |
343 | case 5: return "R_SPARC_DISP16"; | |
344 | case 6: return "R_SPARC_DISP32"; | |
345 | case 7: return "R_SPARC_WDISP30"; | |
346 | case 8: return "R_SPARC_WDISP22"; | |
347 | case 9: return "R_SPARC_HI22"; | |
348 | case 10: return "R_SPARC_22"; | |
349 | case 11: return "R_SPARC_13"; | |
350 | case 12: return "R_SPARC_LO10"; | |
351 | case 13: return "R_SPARC_GOT10"; | |
352 | case 14: return "R_SPARC_GOT13"; | |
353 | case 15: return "R_SPARC_GOT22"; | |
354 | case 16: return "R_SPARC_PC10"; | |
355 | case 17: return "R_SPARC_PC22"; | |
356 | case 18: return "R_SPARC_WPLT30"; | |
357 | case 19: return "R_SPARC_COPY"; | |
358 | case 20: return "R_SPARC_GLOB_DAT"; | |
359 | case 21: return "R_SPARC_JMP_SLOT"; | |
360 | case 22: return "R_SPARC_RELATIVE"; | |
361 | case 23: return "R_SPARC_UA32"; | |
362 | case 24: return "R_SPARC_10"; | |
363 | case 25: return "R_SPARC_11"; | |
364 | case 26: return "R_SPARC_64"; | |
365 | case 27: return "R_SPARC_OLO10"; | |
366 | case 28: return "R_SPARC_HH22"; | |
367 | case 29: return "R_SPARC_HM10"; | |
368 | case 30: return "R_SPARC_LM22"; | |
369 | case 31: return "R_SPARC_PC_HH22"; | |
370 | case 32: return "R_SPARC_PC_HM10"; | |
371 | case 33: return "R_SPARC_PC_LM22"; | |
372 | case 34: return "R_SPARC_WDISP16"; | |
373 | case 35: return "R_SPARC_WDISP19"; | |
374 | case 36: return "R_SPARC_UNUSED_42"; | |
375 | case 37: return "R_SPARC_7"; | |
376 | case 38: return "R_SPARC_5"; | |
377 | case 39: return "R_SPARC_6"; | |
378 | case 40: return "R_SPARC_DISP64"; | |
379 | case 41: return "R_SPARC_PLT64"; | |
380 | case 42: return "R_SPARC_HIX22"; | |
381 | case 43: return "R_SPARC_LOX10"; | |
382 | case 44: return "R_SPARC_H44"; | |
383 | case 45: return "R_SPARC_M44"; | |
384 | case 46: return "R_SPARC_L44"; | |
385 | case 47: return "R_SPARC_REGISTER"; | |
386 | case 48: return "R_SPARC_UA64"; | |
387 | case 49: return "R_SPARC_UA16"; | |
388 | case 50: return "R_SPARC_32LE"; | |
389 | default: return _("*INVALID*"); | |
390 | } | |
391 | } | |
392 | ||
393 | ||
394 | static char * | |
395 | get_m32r_rel_type (rtype) | |
cb436f39 | 396 | unsigned long rtype; |
76466873 NC |
397 | { |
398 | switch (rtype) | |
399 | { | |
400 | case 0: return "R_M32R_NONE"; | |
401 | case 1: return "R_M32R_16"; | |
402 | case 2: return "R_M32R_32"; | |
403 | case 3: return "R_M32R_24"; | |
404 | case 4: return "R_M32R_10_PCREL"; | |
405 | case 5: return "R_M32R_18_PCREL"; | |
406 | case 6: return "R_M32R_26_PCREL"; | |
407 | case 7: return "R_M32R_HI16_ULO"; | |
408 | case 8: return "R_M32R_HI16_SLO"; | |
409 | case 9: return "R_M32R_LO16"; | |
410 | case 10: return "R_M32R_SDA16"; | |
411 | default: return _("*INVALID*"); | |
412 | } | |
413 | } | |
414 | ||
415 | ||
416 | static char * | |
417 | get_v850_rel_type (rtype) | |
cb436f39 | 418 | unsigned long rtype; |
76466873 NC |
419 | { |
420 | switch (rtype) | |
421 | { | |
422 | case 0: return "R_V850_NONE"; | |
423 | case 1: return "R_V850_9_PCREL"; | |
424 | case 2: return "R_V850_22_PCREL"; | |
425 | case 3: return "R_V850_HI16_S"; | |
426 | case 4: return "R_V850_HI16"; | |
427 | case 5: return "R_V850_LO16"; | |
428 | case 6: return "R_V850_32"; | |
429 | case 7: return "R_V850_16"; | |
430 | case 8: return "R_V850_8"; | |
431 | case 9: return "R_V850_SDA_16_16_OFFSET"; | |
432 | case 10: return "R_V850_SDA_15_16_OFFSET"; | |
433 | case 11: return "R_V850_ZDA_16_16_OFFSET"; | |
434 | case 12: return "R_V850_ZDA_15_16_OFFSET"; | |
435 | case 13: return "R_V850_TDA_6_8_OFFSET"; | |
436 | case 14: return "R_V850_TDA_7_8_OFFSET"; | |
437 | case 15: return "R_V850_TDA_7_7_OFFSET"; | |
438 | case 16: return "R_V850_TDA_16_16_OFFSET"; | |
439 | /* start-sanitize-v850e */ | |
440 | case 17: return "R_V850_TDA_4_5_OFFSET"; | |
441 | case 18: return "R_V850_TDA_4_4_OFFSET"; | |
442 | case 19: return "R_V850_SDA_16_16_SPLIT_OFFSET"; | |
443 | case 20: return "R_V850_ZDA_16_16_SPLIT_OFFSET"; | |
444 | case 21: return "R_V850_CALLT_6_7_OFFSET"; | |
445 | case 22: return "R_V850_CALLT_16_16_OFFSET"; | |
446 | /* end-sanitize-v850e */ | |
447 | default: return _("*INVALID*"); | |
448 | } | |
449 | } | |
450 | ||
451 | ||
452 | static char * | |
453 | get_d10v_rel_type (rtype) | |
cb436f39 | 454 | unsigned long rtype; |
76466873 NC |
455 | { |
456 | switch (rtype) | |
457 | { | |
458 | case 0: return "R_D10V_NONE"; | |
459 | case 1: return "R_D10V_10_PCREL_R"; | |
460 | case 2: return "R_D10V_10_PCREL_L"; | |
461 | case 3: return "R_D10V_16"; | |
462 | case 4: return "R_D10V_18"; | |
463 | case 5: return "R_D10V_18_PCREL"; | |
464 | case 6: return "R_D10V_32"; | |
465 | default: return _("*INVALID*"); | |
466 | } | |
467 | } | |
468 | ||
2f300fe6 | 469 | /* start-sanitize-d30v */ |
76466873 NC |
470 | static char * |
471 | get_d30v_rel_type (rtype) | |
cb436f39 | 472 | unsigned long rtype; |
76466873 NC |
473 | { |
474 | switch (rtype) | |
475 | { | |
476 | case 0: return "R_D30V_NONE"; | |
477 | case 1: return "R_D30V_6"; | |
478 | case 2: return "R_D30V_9_PCREL"; | |
479 | case 3: return "R_D30V_9_PCREL_R"; | |
480 | case 4: return "R_D30V_15"; | |
481 | case 5: return "R_D30V_15_PCREL"; | |
482 | case 6: return "R_D30V_15_PCREL_R"; | |
483 | case 7: return "R_D30V_21"; | |
484 | case 8: return "R_D30V_21_PCREL"; | |
485 | case 9: return "R_D30V_21_PCREL_R"; | |
486 | case 10: return "R_D30V_32"; | |
487 | case 11: return "R_D30V_32_PCREL"; | |
488 | case 12: return "R_D30V_32_NORMAL"; | |
489 | default: return _("*INVALID*"); | |
490 | } | |
491 | } | |
492 | ||
2f300fe6 | 493 | /* end-sanitize-d30v */ |
76466873 NC |
494 | static char * |
495 | get_sh_rel_type (rtype) | |
cb436f39 | 496 | unsigned long rtype; |
76466873 NC |
497 | { |
498 | switch (rtype) | |
499 | { | |
500 | case 0: return "R_SH_NONE"; | |
501 | case 1: return "R_SH_DIR32"; | |
502 | case 2: return "R_SH_REL32"; | |
503 | case 3: return "R_SH_DIR8WPN"; | |
504 | case 4: return "R_SH_IND12W"; | |
505 | case 5: return "R_SH_DIR8WPL"; | |
506 | case 6: return "R_SH_DIR8WPZ"; | |
507 | case 7: return "R_SH_DIR8BP"; | |
508 | case 8: return "R_SH_DIR8W"; | |
509 | case 9: return "R_SH_DIR8L"; | |
510 | case 25: return "R_SH_SWITCH16"; | |
511 | case 26: return "R_SH_SWITCH32"; | |
512 | case 27: return "R_SH_USES"; | |
513 | case 28: return "R_SH_COUNT"; | |
514 | case 29: return "R_SH_ALIGN"; | |
515 | case 30: return "R_SH_CODE"; | |
516 | case 31: return "R_SH_DATA"; | |
517 | case 32: return "R_SH_LABEL"; | |
518 | default: return _("*INVALID*"); | |
519 | } | |
520 | } | |
521 | ||
522 | ||
523 | static char * | |
524 | get_mn10300_rel_type (rtype) | |
cb436f39 | 525 | unsigned long rtype; |
76466873 NC |
526 | { |
527 | switch (rtype) | |
528 | { | |
529 | case 0: return "R_MN10300_NONE"; | |
530 | case 1: return "R_MN10300_32"; | |
531 | case 2: return "R_MN10300_16"; | |
532 | case 3: return "R_MN10300_8"; | |
533 | case 4: return "R_MN10300_PCREL32"; | |
534 | case 5: return "R_MN10300_PCREL16"; | |
535 | case 6: return "R_MN10300_PCREL8"; | |
536 | default: return _("*INVALID*"); | |
537 | } | |
538 | } | |
539 | ||
540 | ||
541 | static char * | |
542 | get_mn10200_rel_type (rtype) | |
cb436f39 | 543 | unsigned long rtype; |
76466873 NC |
544 | { |
545 | switch (rtype) | |
546 | { | |
547 | case 0: return "R_MN10200_NONE"; | |
548 | case 1: return "R_MN10200_32"; | |
549 | case 2: return "R_MN10200_16"; | |
550 | case 3: return "R_MN10200_8"; | |
551 | case 4: return "R_MN10200_24"; | |
552 | case 5: return "R_MN10200_PCREL8"; | |
553 | case 6: return "R_MN10200_PCREL16"; | |
554 | case 7: return "R_MN10200_PCREL24"; | |
555 | default: return _("*INVALID*"); | |
556 | } | |
557 | } | |
558 | ||
559 | ||
a09db9ba MM |
560 | static char * |
561 | get_ppc_rel_type (rtype) | |
cb436f39 | 562 | unsigned long rtype; |
a09db9ba MM |
563 | { |
564 | switch (rtype) | |
565 | { | |
566 | case 0: return "R_PPC_NONE,"; | |
567 | case 1: return "R_PPC_ADDR32,"; | |
568 | case 2: return "R_PPC_ADDR24,"; | |
569 | case 3: return "R_PPC_ADDR16,"; | |
570 | case 4: return "R_PPC_ADDR16_LO,"; | |
571 | case 5: return "R_PPC_ADDR16_HI,"; | |
572 | case 6: return "R_PPC_ADDR16_HA,"; | |
573 | case 7: return "R_PPC_ADDR14,"; | |
574 | case 8: return "R_PPC_ADDR14_BRTAKEN,"; | |
575 | case 9: return "R_PPC_ADDR14_BRNTAKEN,"; | |
576 | case 10: return "R_PPC_REL24,"; | |
577 | case 11: return "R_PPC_REL14,"; | |
578 | case 12: return "R_PPC_REL14_BRTAKEN,"; | |
579 | case 13: return "R_PPC_REL14_BRNTAKEN,"; | |
580 | case 14: return "R_PPC_GOT16,"; | |
581 | case 15: return "R_PPC_GOT16_LO,"; | |
582 | case 16: return "R_PPC_GOT16_HI,"; | |
583 | case 17: return "R_PPC_GOT16_HA,"; | |
584 | case 18: return "R_PPC_PLT24,"; | |
585 | case 19: return "R_PPC_COPY,"; | |
586 | case 21: return "R_PPC_JMP_SLOT,"; | |
587 | case 22: return "R_PPC_RELATIVE,"; | |
588 | case 23: return "R_PPC_LOCAL24PC,"; | |
589 | case 24: return "R_PPC_UADDR32,"; | |
590 | case 25: return "R_PPC_UADDR16,"; | |
591 | case 26: return "R_PPC_REL32,"; | |
592 | case 27: return "R_PPC_PLT32,"; | |
593 | case 28: return "R_PPC_PLTREL32,"; | |
594 | case 29: return "R_PPC_PLT16_LO,"; | |
595 | case 30: return "R_PPC_PLT16_HI,"; | |
596 | case 31: return "R_PPC_PLT16_HA,"; | |
597 | case 32: return "R_PPC_SDAREL,"; | |
598 | case 33: return "R_PPC_SECTOFF,"; | |
599 | case 34: return "R_PPC_SECTOFF_LO,"; | |
600 | case 35: return "R_PPC_SECTOFF_HI,"; | |
601 | case 36: return "R_PPC_SECTOFF_HA,"; | |
602 | case 101: return "R_PPC_EMB_NADDR32,"; | |
603 | case 102: return "R_PPC_EMB_NADDR16,"; | |
604 | case 103: return "R_PPC_EMB_NADDR16_LO,"; | |
605 | case 104: return "R_PPC_EMB_NADDR16_HI,"; | |
606 | case 105: return "R_PPC_EMB_NADDR16_HA,"; | |
607 | case 106: return "R_PPC_EMB_SDAI16,"; | |
608 | case 107: return "R_PPC_EMB_SDA2I16,"; | |
609 | case 108: return "R_PPC_EMB_SDA2REL,"; | |
610 | case 109: return "R_PPC_EMB_SDA21,"; | |
611 | case 110: return "R_PPC_EMB_MRKREF,"; | |
612 | case 111: return "R_PPC_EMB_RELSEC16,"; | |
613 | case 112: return "R_PPC_EMB_RELST_LO,"; | |
614 | case 113: return "R_PPC_EMB_RELST_HI,"; | |
615 | case 114: return "R_PPC_EMB_RELST_HA,"; | |
616 | case 115: return "R_PPC_EMB_BIT_FLD,"; | |
617 | case 116: return "R_PPC_EMB_RELSDA,"; | |
618 | default: return _("*INVALID*"); | |
619 | } | |
620 | } | |
621 | ||
622 | ||
ebb64169 NC |
623 | /* Display the contents of the relocation data |
624 | found at the specified offset. */ | |
cb436f39 | 625 | static int |
ebb64169 | 626 | dump_relocations (file, rel_offset, rel_size, symtab, strtab) |
cb436f39 NC |
627 | FILE * file; |
628 | unsigned long rel_offset; | |
629 | unsigned long rel_size; | |
630 | Elf_Internal_Sym * symtab; | |
631 | char * strtab; | |
76466873 | 632 | { |
cb436f39 NC |
633 | unsigned int i; |
634 | int is_rela; | |
635 | Elf_Internal_Rel * rels; | |
636 | Elf_Internal_Rela * relas; | |
76466873 NC |
637 | |
638 | ||
ebb64169 NC |
639 | /* Compute number of relocations and read them in. */ |
640 | switch (elf_header.e_machine) | |
76466873 NC |
641 | { |
642 | case EM_386: | |
643 | case EM_486: | |
644 | case EM_CYGNUS_M32R: | |
645 | case EM_CYGNUS_D10V: | |
cb436f39 NC |
646 | { |
647 | Elf32_External_Rel * erels; | |
648 | ||
649 | GET_DATA_ALLOC (rel_offset, rel_size, erels, | |
650 | Elf32_External_Rel *, "relocs"); | |
76466873 | 651 | |
cb436f39 NC |
652 | rel_size = rel_size / sizeof (Elf32_External_Rel); |
653 | ||
654 | rels = (Elf_Internal_Rel *) malloc (rel_size * | |
655 | sizeof (Elf_Internal_Rel)); | |
656 | ||
657 | for (i = 0; i < rel_size; i++) | |
658 | { | |
659 | rels[i].r_offset = BYTE_GET (erels[i].r_offset); | |
660 | rels[i].r_info = BYTE_GET (erels[i].r_info); | |
661 | } | |
76466873 | 662 | |
cb436f39 NC |
663 | free (erels); |
664 | ||
665 | is_rela = 0; | |
666 | relas = (Elf_Internal_Rela *) rels; | |
667 | } | |
668 | break; | |
76466873 NC |
669 | |
670 | case EM_68K: | |
671 | case EM_SPARC: | |
a09db9ba | 672 | case EM_PPC: |
76466873 | 673 | case EM_CYGNUS_V850: |
2f300fe6 | 674 | /* start-sanitize-d30v */ |
76466873 | 675 | case EM_CYGNUS_D30V: |
2f300fe6 | 676 | /* end-sanitize-d30v */ |
76466873 NC |
677 | case EM_CYGNUS_MN10200: |
678 | case EM_CYGNUS_MN10300: | |
679 | case EM_SH: | |
cb436f39 NC |
680 | { |
681 | Elf32_External_Rela * erelas; | |
682 | ||
683 | GET_DATA_ALLOC (rel_offset, rel_size, erelas, | |
684 | Elf32_External_Rela *, "relocs"); | |
76466873 | 685 | |
cb436f39 NC |
686 | rel_size = rel_size / sizeof (Elf32_External_Rela); |
687 | ||
688 | relas = (Elf_Internal_Rela *) malloc (rel_size * | |
689 | sizeof (Elf_Internal_Rela)); | |
690 | ||
691 | for (i = 0; i < rel_size; i++) | |
692 | { | |
693 | relas[i].r_offset = BYTE_GET (erelas[i].r_offset); | |
694 | relas[i].r_info = BYTE_GET (erelas[i].r_info); | |
695 | relas[i].r_addend = BYTE_GET (erelas[i].r_addend); | |
696 | } | |
697 | ||
698 | free (erelas); | |
699 | ||
700 | is_rela = 1; | |
701 | rels = (Elf_Internal_Rel *) relas; | |
702 | } | |
703 | break; | |
76466873 NC |
704 | |
705 | default: | |
706 | warn (_("Don't know about relocations on this machine architecture\n")); | |
cb436f39 | 707 | return 0; |
76466873 NC |
708 | } |
709 | ||
710 | if (is_rela) | |
ebb64169 NC |
711 | printf |
712 | (_(" Offset Value Type Symbol's Value Symbol's Name Addend\n")); | |
76466873 | 713 | else |
ebb64169 NC |
714 | printf |
715 | (_(" Offset Value Type Symbol's Value Symbol's Name\n")); | |
76466873 NC |
716 | |
717 | for (i = 0; i < rel_size; i++) | |
718 | { | |
cb436f39 NC |
719 | char * rtype; |
720 | unsigned long offset; | |
721 | unsigned long info; | |
722 | int symtab_index; | |
ebb64169 | 723 | |
76466873 | 724 | if (is_rela) |
ebb64169 NC |
725 | { |
726 | offset = relas [i].r_offset; | |
727 | info = relas [i].r_info; | |
728 | } | |
729 | else | |
730 | { | |
731 | offset = rels [i].r_offset; | |
732 | info = rels [i].r_info; | |
733 | } | |
76466873 | 734 | |
ebb64169 | 735 | printf (" %8.8lx %5.5lx ", offset, info); |
76466873 | 736 | |
ebb64169 | 737 | switch (elf_header.e_machine) |
76466873 | 738 | { |
c18f8aef | 739 | default: |
ebb64169 | 740 | rtype = "<unknown>"; |
c18f8aef NC |
741 | break; |
742 | ||
76466873 | 743 | case EM_CYGNUS_M32R: |
ebb64169 | 744 | rtype = get_m32r_rel_type (ELF32_R_TYPE (info)); |
76466873 NC |
745 | break; |
746 | ||
747 | case EM_386: | |
748 | case EM_486: | |
ebb64169 | 749 | rtype = get_i386_rel_type (ELF32_R_TYPE (info)); |
76466873 NC |
750 | break; |
751 | ||
752 | case EM_68K: | |
ebb64169 | 753 | rtype = get_m68k_rel_type (ELF32_R_TYPE (info)); |
76466873 NC |
754 | break; |
755 | ||
756 | case EM_SPARC: | |
ebb64169 | 757 | rtype = get_sparc_rel_type (ELF32_R_TYPE (info)); |
76466873 NC |
758 | break; |
759 | ||
760 | case EM_CYGNUS_V850: | |
ebb64169 | 761 | rtype = get_v850_rel_type (ELF32_R_TYPE (info)); |
76466873 NC |
762 | break; |
763 | ||
764 | case EM_CYGNUS_D10V: | |
ebb64169 | 765 | rtype = get_d10v_rel_type (ELF32_R_TYPE (info)); |
76466873 NC |
766 | break; |
767 | ||
2f300fe6 | 768 | /* start-sanitize-d30v */ |
76466873 | 769 | case EM_CYGNUS_D30V: |
ebb64169 | 770 | rtype = get_d30v_rel_type (ELF32_R_TYPE (info)); |
76466873 NC |
771 | break; |
772 | ||
2f300fe6 | 773 | /* end-sanitize-d30v */ |
76466873 | 774 | case EM_SH: |
ebb64169 | 775 | rtype = get_sh_rel_type (ELF32_R_TYPE (info)); |
76466873 NC |
776 | break; |
777 | ||
778 | case EM_CYGNUS_MN10300: | |
ebb64169 | 779 | rtype = get_mn10300_rel_type (ELF32_R_TYPE (info)); |
76466873 NC |
780 | break; |
781 | ||
782 | case EM_CYGNUS_MN10200: | |
ebb64169 | 783 | rtype = get_mn10200_rel_type (ELF32_R_TYPE (info)); |
76466873 | 784 | break; |
a09db9ba MM |
785 | |
786 | case EM_PPC: | |
ebb64169 | 787 | rtype = get_ppc_rel_type (ELF32_R_TYPE (info)); |
a09db9ba | 788 | break; |
76466873 NC |
789 | } |
790 | ||
ebb64169 | 791 | printf ("%-21.21s", rtype); |
76466873 | 792 | |
ebb64169 | 793 | symtab_index = ELF32_R_SYM (info); |
76466873 | 794 | |
ebb64169 | 795 | if (symtab_index && symtab != NULL) |
76466873 | 796 | { |
cb436f39 | 797 | Elf_Internal_Sym * psym; |
ebb64169 | 798 | |
76466873 NC |
799 | psym = symtab + symtab_index; |
800 | ||
cb436f39 | 801 | printf (" %08lx ", (unsigned long) psym->st_value); |
ebb64169 | 802 | |
76466873 | 803 | if (psym->st_name == 0) |
ebb64169 NC |
804 | printf ("%-17.17s", |
805 | SECTION_NAME (section_headers + psym->st_shndx)); | |
806 | else if (strtab == NULL) | |
807 | printf (_("<string table index %d>"), psym->st_name); | |
76466873 | 808 | else |
ebb64169 | 809 | printf ("%-17.17s", strtab + psym->st_name); |
76466873 NC |
810 | |
811 | if (is_rela) | |
cb436f39 | 812 | printf (" + %lx", (unsigned long) relas [i].r_addend); |
76466873 NC |
813 | } |
814 | ||
815 | putchar ('\n'); | |
76466873 NC |
816 | } |
817 | ||
ebb64169 | 818 | free (relas); |
cb436f39 NC |
819 | |
820 | return 1; | |
ebb64169 NC |
821 | } |
822 | ||
823 | static char * | |
824 | get_dynamic_type (type) | |
825 | unsigned long type; | |
826 | { | |
827 | static char buff [32]; | |
828 | ||
829 | switch (type) | |
830 | { | |
831 | case DT_NULL: return _("NULL"); | |
832 | case DT_NEEDED: return _("NEEDED"); | |
833 | case DT_PLTRELSZ: return _("PLTRELSZ"); | |
834 | case DT_PLTGOT: return _("PLTGOT"); | |
835 | case DT_HASH: return _("HASH"); | |
836 | case DT_STRTAB: return _("STRTAB"); | |
837 | case DT_SYMTAB: return _("SYMTAB"); | |
838 | case DT_RELA: return _("RELA"); | |
839 | case DT_RELASZ: return _("RELASZ"); | |
840 | case DT_RELAENT: return _("RELAENT"); | |
841 | case DT_STRSZ: return _("STRSZ"); | |
842 | case DT_SYMENT: return _("SYMENT"); | |
843 | case DT_INIT: return _("INIT"); | |
844 | case DT_FINI: return _("FINI"); | |
845 | case DT_SONAME: return _("SONAME"); | |
846 | case DT_RPATH: return _("RPATH"); | |
847 | case DT_SYMBOLIC: return _("SYMBOLIC"); | |
848 | case DT_REL: return _("REL"); | |
849 | case DT_RELSZ: return _("RELSZ"); | |
850 | case DT_RELENT: return _("RELENT"); | |
851 | case DT_PLTREL: return _("PLTREL"); | |
852 | case DT_DEBUG: return _("DEBUG"); | |
853 | case DT_TEXTREL: return _("TEXTREL"); | |
854 | case DT_JMPREL: return _("JMPREL"); | |
855 | case DT_VERDEF: return _("VERDEF"); | |
856 | case DT_VERDEFNUM: return _("VERDEFNUM"); | |
857 | case DT_VERNEED: return _("VERNEED"); | |
858 | case DT_VERNEEDNUM: return _("VERNEEDNUM"); | |
859 | case DT_VERSYM: return _("VERSYN"); | |
860 | case DT_AUXILIARY: return _("AUXILARY"); | |
861 | case DT_FILTER: return _("FILTER"); | |
862 | ||
863 | default: | |
864 | if ((type >= DT_LOPROC) && (type <= DT_HIPROC)) | |
865 | sprintf (buff, _("Processor Specific: (%x)"), type); | |
866 | else | |
867 | sprintf (buff, _("<unknown>: %x"), type); | |
868 | return buff; | |
869 | } | |
76466873 NC |
870 | } |
871 | ||
872 | static char * | |
873 | get_file_type (e_type) | |
a09db9ba | 874 | unsigned e_type; |
76466873 NC |
875 | { |
876 | static char buff [32]; | |
877 | ||
878 | switch (e_type) | |
879 | { | |
880 | case ET_NONE: return _("None"); | |
881 | case ET_REL: return _("Relocatable file"); | |
882 | case ET_EXEC: return _("Executable file"); | |
883 | case ET_DYN: return _("Shared object file"); | |
884 | case ET_CORE: return _("Core file"); | |
885 | ||
886 | default: | |
887 | if ((e_type >= ET_LOPROC) && (e_type <= ET_HIPROC)) | |
888 | sprintf (buff, _("Processor Specific: (%x)"), e_type); | |
889 | else | |
890 | sprintf (buff, _("<unknown>: %x"), e_type); | |
891 | return buff; | |
892 | } | |
893 | } | |
894 | ||
895 | static char * | |
896 | get_machine_name (e_machine) | |
a09db9ba | 897 | unsigned e_machine; |
76466873 NC |
898 | { |
899 | static char buff [32]; | |
900 | ||
901 | switch (e_machine) | |
902 | { | |
903 | case EM_NONE: return _("None"); | |
904 | case EM_M32: return "WE32100"; | |
905 | case EM_SPARC: return "Sparc"; | |
906 | case EM_386: return "80386"; | |
907 | case EM_68K: return "MC68000"; | |
908 | case EM_88K: return "MC88000"; | |
909 | case EM_486: return "Intel 80486"; | |
910 | case EM_860: return "Intel 80860"; | |
911 | case EM_MIPS: return "MIPS R3000 big-endian"; | |
912 | case EM_S370: return "Amdahl"; | |
913 | case EM_MIPS_RS4_BE: return "MIPS R400 big-endian"; | |
ebb64169 | 914 | case EM_OLD_SPARCV9: return "Sparc v9 (old)"; |
76466873 | 915 | case EM_PARISC: return "HPPA"; |
ebb64169 | 916 | case EM_PPC_OLD: return "Power PC (old)"; |
76466873 | 917 | case EM_SPARC32PLUS: return "Sparc v8+" ; |
ebb64169 | 918 | case EM_960: return "Intel 90860"; |
a09db9ba | 919 | case EM_PPC: return "PowerPC"; |
ebb64169 NC |
920 | case EM_V800: return "NEC V800"; |
921 | case EM_FR20: return "Fujitsu FR20"; | |
922 | case EM_RH32: return "TRW RH32"; | |
923 | case EM_MMA: return "Fujitsu MMA"; | |
76466873 | 924 | case EM_ARM: return "ARM"; |
ebb64169 | 925 | case EM_OLD_ALPHA: return "Digital Alpha (old)"; |
76466873 | 926 | case EM_SH: return "Hitachi SH"; |
ebb64169 | 927 | case EM_SPARCV9: return "Sparc v9"; |
76466873 NC |
928 | case EM_ALPHA: return "Alpha"; |
929 | case EM_CYGNUS_D10V: return "d10v"; | |
2f300fe6 | 930 | /* start-sanitize-d30v */ |
76466873 | 931 | case EM_CYGNUS_D30V: return "d30v"; |
2f300fe6 | 932 | /* end-sanitize-d30v */ |
76466873 NC |
933 | case EM_CYGNUS_M32R: return "M32r"; |
934 | case EM_CYGNUS_V850: return "v850"; | |
935 | case EM_CYGNUS_MN10300: return "mn10300"; | |
936 | case EM_CYGNUS_MN10200: return "mn10200"; | |
937 | ||
938 | default: | |
939 | sprintf (buff, _("<unknown>: %x"), e_machine); | |
940 | return buff; | |
941 | } | |
942 | } | |
943 | ||
a09db9ba MM |
944 | static char * |
945 | get_machine_flags (e_flags, e_machine) | |
946 | unsigned e_flags; | |
947 | unsigned e_machine; | |
948 | { | |
949 | static char buf [1024]; | |
950 | ||
951 | buf[0] = '\0'; | |
952 | if (e_flags) | |
953 | { | |
954 | switch (e_machine) | |
955 | { | |
956 | default: | |
957 | break; | |
958 | ||
959 | case EM_PPC: | |
960 | if (e_flags & EF_PPC_EMB) | |
961 | strcat (buf, ", emb"); | |
962 | ||
963 | if (e_flags & EF_PPC_RELOCATABLE) | |
964 | strcat (buf, ", relocatable"); | |
965 | ||
966 | if (e_flags & EF_PPC_RELOCATABLE_LIB) | |
967 | strcat (buf, ", relocatable-lib"); | |
968 | break; | |
969 | ||
970 | case EM_CYGNUS_M32R: | |
971 | if ((e_flags & EF_M32R_ARCH) == E_M32R_ARCH) | |
972 | strcat (buf, ", m32r"); | |
973 | ||
974 | /* start-sanitize-m32rx */ | |
975 | #ifdef E_M32RX_ARCH | |
976 | if ((e_flags & EF_M32R_ARCH) == E_M32RX_ARCH) | |
977 | strcat (buf, ", m32rx"); | |
978 | #endif | |
979 | /* end-sanitize-m32rx */ | |
980 | break; | |
981 | ||
982 | case EM_MIPS: | |
983 | case EM_MIPS_RS4_BE: | |
984 | if (e_flags & EF_MIPS_NOREORDER) | |
985 | strcat (buf, ", noreorder"); | |
986 | ||
987 | if (e_flags & EF_MIPS_PIC) | |
988 | strcat (buf, ", pic"); | |
989 | ||
990 | if (e_flags & EF_MIPS_CPIC) | |
991 | strcat (buf, ", cpic"); | |
992 | ||
993 | if (e_flags & EF_MIPS_ABI2) | |
994 | strcat (buf, ", abi2"); | |
995 | ||
996 | if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_1) | |
997 | strcat (buf, ", mips1"); | |
998 | ||
999 | if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_2) | |
1000 | strcat (buf, ", mips2"); | |
1001 | ||
1002 | if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_3) | |
1003 | strcat (buf, ", mips3"); | |
1004 | ||
1005 | if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_4) | |
1006 | strcat (buf, ", mips4"); | |
1007 | break; | |
1008 | } | |
1009 | } | |
1010 | ||
1011 | return buf; | |
1012 | } | |
1013 | ||
1014 | static char * | |
1015 | get_machine_data (e_data) | |
1016 | unsigned e_data; | |
1017 | { | |
1018 | static char buff [32]; | |
1019 | ||
1020 | switch (e_data) | |
1021 | { | |
1022 | case ELFDATA2LSB: return _("ELFDATA2LSB (little endian)"); | |
1023 | case ELFDATA2MSB: return _("ELFDATA2MSB (big endian)"); | |
1024 | default: | |
1025 | sprintf (buff, _("<unknown>: %x"), e_data); | |
1026 | return buff; | |
1027 | } | |
1028 | } | |
1029 | ||
76466873 NC |
1030 | static char * |
1031 | get_segment_type (p_type) | |
1032 | unsigned long p_type; | |
1033 | { | |
1034 | static char buff [32]; | |
1035 | ||
1036 | switch (p_type) | |
1037 | { | |
1038 | case PT_NULL: return _("Unused"); | |
1039 | case PT_LOAD: return _("Loadable"); | |
1040 | case PT_DYNAMIC: return _("Dynamic link info"); | |
1041 | case PT_INTERP: return _("Interpreter"); | |
1042 | case PT_NOTE: return _("Auxillary Info"); | |
1043 | case PT_SHLIB: return _("Shared Library"); | |
ebb64169 | 1044 | case PT_PHDR: return _("Program Header"); |
76466873 NC |
1045 | |
1046 | default: | |
1047 | if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC)) | |
1048 | return _("processor specific"); | |
1049 | else | |
1050 | { | |
1051 | sprintf (buff, _("<unknown>: %x"), p_type); | |
1052 | return buff; | |
1053 | } | |
1054 | } | |
1055 | } | |
1056 | ||
1057 | static char * | |
1058 | get_section_type_name (sh_type) | |
1059 | unsigned int sh_type; | |
1060 | { | |
1061 | static char buff [32]; | |
1062 | ||
1063 | switch (sh_type) | |
1064 | { | |
1065 | case SHT_NULL: return _("Unused"); | |
1066 | case SHT_PROGBITS: return _("Program data"); | |
1067 | case SHT_SYMTAB: return _("Symbol table"); | |
1068 | case SHT_STRTAB: return _("String table"); | |
ebb64169 NC |
1069 | case SHT_RELA: return _("Relocations"); |
1070 | case SHT_HASH: return _("Symbol hashes"); | |
1071 | case SHT_DYNAMIC: return _("Dynamic info"); | |
76466873 NC |
1072 | case SHT_NOTE: return _("Notes"); |
1073 | case SHT_NOBITS: return _("Space, no data"); | |
ebb64169 NC |
1074 | case SHT_REL: return _("Relocations"); |
1075 | case SHT_SHLIB: return _("Shared lib info"); | |
1076 | case SHT_DYNSYM: return _("Dynamic symbols"); | |
76466873 NC |
1077 | case SHT_GNU_verdef: return _("Version definition"); |
1078 | case SHT_GNU_verneed: return _("Version needs"); | |
1079 | case SHT_GNU_versym: return _("Version symbols"); | |
1080 | case 0x6ffffff0: return "VERSYM"; | |
1081 | case 0x6ffffffc: return "VERDEF"; | |
1082 | case 0x7ffffffd: return "AUXILIARY"; | |
1083 | case 0x7fffffff: return "FILTER"; | |
1084 | ||
1085 | default: | |
1086 | if ((sh_type >= SHT_LOPROC) && (sh_type <= SHT_HIPROC)) | |
ebb64169 | 1087 | sprintf (buff, _("cpu defined (%d)"), sh_type - SHT_LOPROC); |
76466873 | 1088 | else if ((sh_type >= SHT_LOUSER) && (sh_type <= SHT_HIUSER)) |
ebb64169 | 1089 | sprintf (buff, _("app defined (%d)"), sh_type - SHT_LOUSER); |
76466873 | 1090 | else |
ebb64169 NC |
1091 | sprintf (buff, _("<unknown>: %x"), sh_type); |
1092 | return buff; | |
76466873 NC |
1093 | } |
1094 | } | |
1095 | ||
1096 | struct option options [] = | |
1097 | { | |
1098 | {"all", no_argument, 0, 'a'}, | |
1099 | {"file-header", no_argument, 0, 'h'}, | |
1100 | {"program-headers", no_argument, 0, 'l'}, | |
ebb64169 | 1101 | {"headers", no_argument, 0, 'e'}, |
76466873 NC |
1102 | {"segments", no_argument, 0, 'l'}, |
1103 | {"sections", no_argument, 0, 'S'}, | |
ebb64169 | 1104 | {"section-headers", no_argument, 0, 'S'}, |
76466873 NC |
1105 | {"symbols", no_argument, 0, 's'}, |
1106 | {"relocs", no_argument, 0, 'r'}, | |
1107 | {"dynamic", no_argument, 0, 'd'}, | |
1108 | {"version-info", no_argument, 0, 'V'}, | |
1109 | {"use-dynamic", no_argument, 0, 'D'}, | |
1110 | ||
1111 | {"hex-dump", required_argument, 0, 'x'}, | |
1112 | #ifdef SUPPORT_DISASSEMBLY | |
1113 | {"instruction-dump", required_argument, 0, 'i'}, | |
1114 | #endif | |
1115 | ||
1116 | {"version", no_argument, 0, 'v'}, | |
1117 | {"help", no_argument, 0, 'H'}, | |
1118 | ||
1119 | {0, no_argument, 0, 0} | |
1120 | }; | |
1121 | ||
1122 | static void | |
1123 | usage () | |
1124 | { | |
59bbaa19 ILT |
1125 | fprintf (stdout, _("Usage: readelf {options} elf-file(s)\n")); |
1126 | fprintf (stdout, _(" Options are:\n")); | |
ebb64169 | 1127 | fprintf (stdout, _(" -a or --all Equivalent to: -h -l -S -s -r -d -V\n")); |
59bbaa19 ILT |
1128 | fprintf (stdout, _(" -h or --file-header Display the ELF file header\n")); |
1129 | fprintf (stdout, _(" -l or --program-headers or --segments\n")); | |
1130 | fprintf (stdout, _(" Display the program headers\n")); | |
ebb64169 NC |
1131 | fprintf (stdout, _(" -S or --section-headers or --sections\n")); |
1132 | fprintf (stdout, _(" Display the sections' header\n")); | |
1133 | fprintf (stdout, _(" -e or --headers Equivalent to: -h -l -S\n")); | |
59bbaa19 ILT |
1134 | fprintf (stdout, _(" -s or --symbols Display the symbol table\n")); |
1135 | fprintf (stdout, _(" -r or --relocs Display the relocations (if present)\n")); | |
ebb64169 | 1136 | fprintf (stdout, _(" -d or --dynamic Display the dynamic segment (if present)\n")); |
59bbaa19 ILT |
1137 | fprintf (stdout, _(" -V or --version-info Display the version sections (if present)\n")); |
1138 | fprintf (stdout, _(" -D or --use-dynamic Use the dynamic section info when displaying symbols\n")); | |
1139 | fprintf (stdout, _(" -x <number> or --hex-dump=<number>\n")); | |
1140 | fprintf (stdout, _(" Dump the contents of section <number>\n")); | |
76466873 | 1141 | #ifdef SUPPORT_DISASSEMBLY |
59bbaa19 ILT |
1142 | fprintf (stdout, _(" -i <number> or --instruction-dump=<number>\n")); |
1143 | fprintf (stdout, _(" Disassemble the contents of section <number>\n")); | |
76466873 | 1144 | #endif |
59bbaa19 ILT |
1145 | fprintf (stdout, _(" -v or --version Display the version number of readelf\n")); |
1146 | fprintf (stdout, _(" -H or --help Display this information\n")); | |
1147 | fprintf (stdout, _("Report bugs to bug-gnu-utils@gnu.org\n")); | |
76466873 NC |
1148 | |
1149 | exit (0); | |
1150 | } | |
1151 | ||
1152 | static void | |
1153 | parse_args (argc, argv) | |
1154 | int argc; | |
1155 | char ** argv; | |
1156 | { | |
59bbaa19 | 1157 | int c; |
ebb64169 | 1158 | |
76466873 NC |
1159 | if (argc < 2) |
1160 | usage (); | |
1161 | ||
1162 | while ((c = getopt_long | |
ebb64169 | 1163 | (argc, argv, "ersahldSDx:i:vV", options, NULL)) != EOF) |
76466873 NC |
1164 | { |
1165 | char * cp; | |
1166 | int section; | |
1167 | ||
1168 | switch (c) | |
1169 | { | |
1170 | case 'H': | |
1171 | usage (); | |
1172 | break; | |
1173 | ||
1174 | case 'a': | |
ebb64169 NC |
1175 | do_syms ++; |
1176 | do_reloc ++; | |
1177 | do_dynamic ++; | |
1178 | do_header ++; | |
1179 | do_sections ++; | |
1180 | do_segments ++; | |
1181 | do_version ++; | |
1182 | break; | |
1183 | case 'e': | |
1184 | do_header ++; | |
1185 | do_sections ++; | |
1186 | do_segments ++; | |
76466873 NC |
1187 | break; |
1188 | case 'D': | |
ebb64169 | 1189 | do_using_dynamic ++; |
76466873 NC |
1190 | break; |
1191 | case 'r': | |
ebb64169 | 1192 | do_reloc ++; |
76466873 NC |
1193 | break; |
1194 | case 'h': | |
ebb64169 | 1195 | do_header ++; |
76466873 NC |
1196 | break; |
1197 | case 'l': | |
ebb64169 | 1198 | do_segments ++; |
76466873 NC |
1199 | break; |
1200 | case 's': | |
ebb64169 | 1201 | do_syms ++; |
76466873 NC |
1202 | break; |
1203 | case 'S': | |
ebb64169 | 1204 | do_sections ++; |
76466873 NC |
1205 | break; |
1206 | case 'd': | |
ebb64169 | 1207 | do_dynamic ++; |
76466873 NC |
1208 | break; |
1209 | case 'x': | |
1210 | do_dump ++; | |
1211 | section = strtoul (optarg, & cp, 0); | |
1212 | if (! * cp && section >= 0 && section < NUM_DUMP_SECTS) | |
1213 | { | |
1214 | dump_sects [section] |= HEX_DUMP; | |
1215 | break; | |
1216 | } | |
1217 | goto oops; | |
1218 | #ifdef SUPPORT_DISASSEMBLY | |
1219 | case 'i': | |
1220 | do_dump ++; | |
1221 | section = strtoul (optarg, & cp, 0); | |
1222 | if (! * cp && section >= 0 && section < NUM_DUMP_SECTS) | |
1223 | { | |
1224 | dump_sects [section] |= DISASS_DUMP; | |
1225 | break; | |
1226 | } | |
1227 | goto oops; | |
1228 | #endif | |
1229 | case 'v': | |
1230 | print_version (program_name); | |
1231 | break; | |
1232 | case 'V': | |
1233 | do_version ++; | |
1234 | break; | |
1235 | default: | |
1236 | oops: | |
1237 | /* xgettext:c-format */ | |
1238 | error (_("Invalid option '-%c'\n"), c); | |
1239 | /* Drop through. */ | |
1240 | case '?': | |
1241 | usage (); | |
1242 | } | |
1243 | } | |
1244 | ||
ebb64169 NC |
1245 | if (!do_dynamic && !do_syms && !do_reloc && !do_sections |
1246 | && !do_segments && !do_header && !do_dump && !do_version) | |
76466873 NC |
1247 | usage (); |
1248 | else if (argc < 3) | |
59bbaa19 ILT |
1249 | { |
1250 | warn (_("Nothing to do.\n")); | |
1251 | usage(); | |
1252 | } | |
76466873 NC |
1253 | } |
1254 | ||
ebb64169 | 1255 | /* Decode the data held in 'elf_header'. */ |
76466873 | 1256 | static int |
ebb64169 | 1257 | process_file_header () |
76466873 | 1258 | { |
ebb64169 NC |
1259 | if ( elf_header.e_ident [EI_MAG0] != ELFMAG0 |
1260 | || elf_header.e_ident [EI_MAG1] != ELFMAG1 | |
1261 | || elf_header.e_ident [EI_MAG2] != ELFMAG2 | |
1262 | || elf_header.e_ident [EI_MAG3] != ELFMAG3) | |
76466873 | 1263 | { |
ebb64169 NC |
1264 | error |
1265 | (_("Not an ELF file - it has the wrong magic bytes at the start\n")); | |
76466873 NC |
1266 | return 0; |
1267 | } | |
1268 | ||
ebb64169 | 1269 | if (elf_header.e_ident [EI_CLASS] != ELFCLASS32) |
76466873 NC |
1270 | { |
1271 | error (_("Not a 32 bit ELF file\n")); | |
1272 | return 0; | |
1273 | } | |
1274 | ||
76466873 NC |
1275 | if (do_header) |
1276 | { | |
1277 | int i; | |
1278 | ||
ebb64169 NC |
1279 | printf (_("ELF Header:\n")); |
1280 | printf (_(" Magic: ")); | |
76466873 | 1281 | for (i = 0; i < EI_NIDENT; i ++) |
ebb64169 | 1282 | printf ("%2.2x ", elf_header.e_ident [i]); |
76466873 | 1283 | printf ("\n"); |
ebb64169 NC |
1284 | printf (_(" Type: %s\n"), |
1285 | get_file_type (elf_header.e_type)); | |
1286 | printf (_(" Machine: %s\n"), | |
1287 | get_machine_name (elf_header.e_machine)); | |
1288 | printf (_(" Version: 0x%lx\n"), | |
1289 | (unsigned long) elf_header.e_version); | |
cb436f39 | 1290 | printf (_(" Data: %s\n"), |
ebb64169 | 1291 | get_machine_data (elf_header.e_ident [EI_DATA])); |
ebb64169 NC |
1292 | printf (_(" Entry point address: 0x%lx\n"), |
1293 | (unsigned long) elf_header.e_entry); | |
1294 | printf (_(" Start of program headers: %ld (bytes into file)\n"), | |
1295 | (long) elf_header.e_phoff); | |
1296 | printf (_(" Start of section headers: %ld (bytes into file)\n"), | |
1297 | (long) elf_header.e_shoff); | |
1298 | printf (_(" Flags: 0x%lx%s\n"), | |
1299 | (unsigned long) elf_header.e_flags, | |
1300 | get_machine_flags (elf_header.e_flags, elf_header.e_machine)); | |
1301 | printf (_(" Size of this header: %ld (bytes)\n"), | |
1302 | (long) elf_header.e_ehsize); | |
1303 | printf (_(" Size of program headers: %ld (bytes)\n"), | |
1304 | (long) elf_header.e_phentsize); | |
1305 | printf (_(" Number of program headers: %ld\n"), | |
1306 | (long) elf_header.e_phnum); | |
1307 | printf (_(" Size of section headers: %ld (bytes)\n"), | |
1308 | (long) elf_header.e_shentsize); | |
1309 | printf (_(" Number of section headers: %ld\n"), | |
1310 | (long) elf_header.e_shnum); | |
1311 | printf (_(" Section header string table index: %ld\n"), | |
1312 | (long) elf_header.e_shstrndx); | |
76466873 NC |
1313 | } |
1314 | ||
1315 | return 1; | |
1316 | } | |
1317 | ||
1318 | ||
cb436f39 | 1319 | static int |
ebb64169 NC |
1320 | process_program_headers (file) |
1321 | FILE * file; | |
76466873 | 1322 | { |
cb436f39 NC |
1323 | Elf32_External_Phdr * phdrs; |
1324 | Elf32_Internal_Phdr * program_headers; | |
1325 | Elf32_Internal_Phdr * segment; | |
1326 | unsigned int i; | |
76466873 | 1327 | |
ebb64169 | 1328 | if (elf_header.e_phnum == 0) |
76466873 | 1329 | { |
ebb64169 NC |
1330 | if (do_segments) |
1331 | printf (_("\nThere are no program headers in this file.\n")); | |
cb436f39 | 1332 | return 1; |
76466873 NC |
1333 | } |
1334 | ||
ebb64169 | 1335 | if (do_segments && !do_header) |
76466873 | 1336 | { |
ebb64169 | 1337 | printf (_("\nElf file is %s\n"), get_file_type (elf_header.e_type)); |
cb436f39 NC |
1338 | printf (_("Entry point 0x%lx\n"), (unsigned long) elf_header.e_entry); |
1339 | printf (_("There are %d program headers, starting at offset %lx:\n"), | |
1340 | elf_header.e_phnum, (unsigned long) elf_header.e_phoff); | |
76466873 NC |
1341 | } |
1342 | ||
cb436f39 NC |
1343 | GET_DATA_ALLOC (elf_header.e_phoff, |
1344 | elf_header.e_phentsize * elf_header.e_phnum, | |
1345 | phdrs, Elf32_External_Phdr *, "program headers"); | |
ebb64169 | 1346 | |
cb436f39 NC |
1347 | program_headers = (Elf32_Internal_Phdr *) malloc |
1348 | (elf_header.e_phnum * sizeof (Elf32_Internal_Phdr)); | |
1349 | ||
1350 | if (program_headers == NULL) | |
76466873 | 1351 | { |
cb436f39 NC |
1352 | error (_("Out of memory\n")); |
1353 | return 0; | |
76466873 | 1354 | } |
cb436f39 NC |
1355 | |
1356 | for (i = 0, segment = program_headers; | |
1357 | i < elf_header.e_phnum; | |
1358 | i ++, segment ++) | |
1359 | { | |
1360 | segment->p_type = BYTE_GET (phdrs[i].p_type); | |
1361 | segment->p_offset = BYTE_GET (phdrs[i].p_offset); | |
1362 | segment->p_vaddr = BYTE_GET (phdrs[i].p_vaddr); | |
1363 | segment->p_paddr = BYTE_GET (phdrs[i].p_paddr); | |
1364 | segment->p_filesz = BYTE_GET (phdrs[i].p_filesz); | |
1365 | segment->p_memsz = BYTE_GET (phdrs[i].p_memsz); | |
1366 | segment->p_flags = BYTE_GET (phdrs[i].p_flags); | |
1367 | segment->p_align = BYTE_GET (phdrs[i].p_align); | |
1368 | } | |
1369 | ||
1370 | free (phdrs); | |
76466873 | 1371 | |
ebb64169 | 1372 | if (do_segments) |
76466873 | 1373 | { |
ebb64169 NC |
1374 | printf |
1375 | (_("\nProgram Header%s:\n"), elf_header.e_phnum > 1 ? "s" : ""); | |
1376 | printf | |
1377 | (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n")); | |
76466873 NC |
1378 | } |
1379 | ||
1380 | loadaddr = -1; | |
1381 | dynamic_addr = 0; | |
1382 | ||
cb436f39 NC |
1383 | for (i = 0, segment = program_headers; |
1384 | i < elf_header.e_phnum; | |
1385 | i ++, segment ++) | |
76466873 | 1386 | { |
ebb64169 | 1387 | if (do_segments) |
76466873 | 1388 | { |
ebb64169 | 1389 | printf (" %-16.16s ", get_segment_type (segment->p_type)); |
cb436f39 NC |
1390 | printf ("0x%5.5lx ", (unsigned long) segment->p_offset); |
1391 | printf ("0x%8.8lx ", (unsigned long) segment->p_vaddr); | |
1392 | printf ("0x%8.8lx ", (unsigned long) segment->p_paddr); | |
1393 | printf ("0x%5.5lx ", (unsigned long) segment->p_filesz); | |
1394 | printf ("0x%5.5lx ", (unsigned long) segment->p_memsz); | |
76466873 | 1395 | printf ("%c%c%c ", |
ebb64169 NC |
1396 | (segment->p_flags & PF_R ? 'R' : ' '), |
1397 | (segment->p_flags & PF_W ? 'W' : ' '), | |
1398 | (segment->p_flags & PF_X ? 'E' : ' ')); | |
cb436f39 | 1399 | printf ("%#lx", (unsigned long) segment->p_align); |
76466873 | 1400 | } |
ebb64169 NC |
1401 | |
1402 | switch (segment->p_type) | |
76466873 | 1403 | { |
ebb64169 NC |
1404 | case PT_LOAD: |
1405 | if (loadaddr == -1) | |
1406 | loadaddr = (segment->p_vaddr & 0xfffff000) | |
1407 | - (segment->p_offset & 0xfffff000); | |
1408 | break; | |
1409 | ||
1410 | case PT_DYNAMIC: | |
76466873 | 1411 | if (dynamic_addr) |
ebb64169 | 1412 | error (_("more than one dynamic segment\n")); |
76466873 | 1413 | |
ebb64169 NC |
1414 | dynamic_addr = segment->p_offset; |
1415 | dynamic_size = segment->p_filesz; | |
1416 | break; | |
1417 | ||
1418 | case PT_INTERP: | |
1419 | if (fseek (file, segment->p_offset, SEEK_SET)) | |
1420 | error (_("Unable to find program interpreter name\n")); | |
1421 | else | |
1422 | { | |
1423 | program_interpreter[0] = 0; | |
1424 | fscanf (file, "%63s", program_interpreter); | |
1425 | ||
1426 | if (do_segments) | |
1427 | printf (_("\n [Requesting program interpreter: %s]"), | |
1428 | program_interpreter); | |
1429 | } | |
1430 | break; | |
76466873 NC |
1431 | } |
1432 | ||
ebb64169 | 1433 | if (do_segments) |
76466873 | 1434 | putc ('\n', stdout); |
76466873 NC |
1435 | } |
1436 | ||
ebb64169 NC |
1437 | if (loadaddr == -1) |
1438 | { | |
1439 | /* Very strange. */ | |
1440 | loadaddr = 0; | |
1441 | } | |
1442 | ||
1443 | if (do_segments && section_headers != NULL) | |
76466873 NC |
1444 | { |
1445 | printf (_("\n Section to Segment mapping:\n")); | |
1446 | printf (_(" Segment Sections...\n")); | |
1447 | ||
ebb64169 NC |
1448 | assert (string_table != NULL); |
1449 | ||
1450 | for (i = 0; i < elf_header.e_phnum; i++) | |
76466873 | 1451 | { |
ebb64169 | 1452 | int j; |
cb436f39 | 1453 | Elf32_Internal_Shdr * section; |
ebb64169 NC |
1454 | |
1455 | segment = program_headers + i; | |
1456 | section = section_headers; | |
76466873 NC |
1457 | |
1458 | printf (" %2.2d ", i); | |
1459 | ||
ebb64169 | 1460 | for (j = 0; j < elf_header.e_shnum; j++, section ++) |
76466873 | 1461 | { |
ebb64169 NC |
1462 | if (section->sh_size > 0 |
1463 | /* Compare allocated sections by VMA, unallocated | |
1464 | sections by file offset. */ | |
1465 | && (section->sh_flags & SHF_ALLOC | |
1466 | ? (section->sh_addr >= segment->p_vaddr | |
1467 | && section->sh_addr + section->sh_size | |
1468 | <= segment->p_vaddr + segment->p_memsz) | |
1469 | : (section->sh_offset >= segment->p_offset | |
1470 | && (section->sh_offset + section->sh_size | |
1471 | <= segment->p_offset + segment->p_filesz)))) | |
1472 | printf ("%s ", SECTION_NAME (section)); | |
76466873 NC |
1473 | } |
1474 | ||
1475 | putc ('\n',stdout); | |
1476 | } | |
1477 | } | |
1478 | ||
ebb64169 | 1479 | free (program_headers); |
cb436f39 NC |
1480 | |
1481 | return 1; | |
76466873 NC |
1482 | } |
1483 | ||
1484 | ||
cb436f39 NC |
1485 | static int |
1486 | get_section_headers (file) | |
1487 | FILE * file; | |
1488 | { | |
1489 | Elf32_External_Shdr * shdrs; | |
1490 | Elf32_Internal_Shdr * internal; | |
1491 | unsigned int i; | |
1492 | ||
1493 | GET_DATA_ALLOC (elf_header.e_shoff, | |
1494 | elf_header.e_shentsize * elf_header.e_shnum, | |
1495 | shdrs, Elf32_External_Shdr *, "section headers"); | |
1496 | ||
1497 | section_headers = (Elf32_Internal_Shdr *) malloc | |
1498 | (elf_header.e_shnum * sizeof (Elf32_Internal_Shdr)); | |
1499 | ||
1500 | if (section_headers == NULL) | |
1501 | { | |
1502 | error (_("Out of memory\n")); | |
1503 | return 0; | |
1504 | } | |
1505 | ||
1506 | for (i = 0, internal = section_headers; | |
1507 | i < elf_header.e_shnum; | |
1508 | i ++, internal ++) | |
1509 | { | |
1510 | internal->sh_name = BYTE_GET (shdrs[i].sh_name); | |
1511 | internal->sh_type = BYTE_GET (shdrs[i].sh_type); | |
1512 | internal->sh_flags = BYTE_GET (shdrs[i].sh_flags); | |
1513 | internal->sh_addr = BYTE_GET (shdrs[i].sh_addr); | |
1514 | internal->sh_offset = BYTE_GET (shdrs[i].sh_offset); | |
1515 | internal->sh_size = BYTE_GET (shdrs[i].sh_size); | |
1516 | internal->sh_link = BYTE_GET (shdrs[i].sh_link); | |
1517 | internal->sh_info = BYTE_GET (shdrs[i].sh_info); | |
1518 | internal->sh_addralign = BYTE_GET (shdrs[i].sh_addralign); | |
1519 | internal->sh_entsize = BYTE_GET (shdrs[i].sh_entsize); | |
1520 | } | |
1521 | ||
1522 | free (shdrs); | |
1523 | ||
1524 | return 1; | |
1525 | } | |
1526 | ||
1527 | static Elf_Internal_Sym * | |
1528 | get_elf_symbols (file, offset, number) | |
1529 | FILE * file; | |
1530 | unsigned long offset; | |
1531 | unsigned long number; | |
1532 | { | |
1533 | Elf32_External_Sym * esyms; | |
1534 | Elf_Internal_Sym * isyms; | |
1535 | Elf_Internal_Sym * psym; | |
1536 | unsigned int j; | |
1537 | ||
1538 | GET_DATA_ALLOC (offset, number * sizeof (Elf32_External_Sym), | |
1539 | esyms, Elf32_External_Sym *, "symbols"); | |
1540 | ||
1541 | isyms = (Elf_Internal_Sym *) malloc (number * sizeof (Elf_Internal_Sym)); | |
1542 | ||
1543 | if (isyms == NULL) | |
1544 | { | |
1545 | error (_("Out of memory\n")); | |
1546 | free (esyms); | |
1547 | ||
1548 | return NULL; | |
1549 | } | |
1550 | ||
1551 | for (j = 0, psym = isyms; | |
1552 | j < number; | |
1553 | j ++, psym ++) | |
1554 | { | |
1555 | psym->st_name = BYTE_GET (esyms[j].st_name); | |
1556 | psym->st_value = BYTE_GET (esyms[j].st_value); | |
1557 | psym->st_size = BYTE_GET (esyms[j].st_size); | |
1558 | psym->st_shndx = BYTE_GET (esyms[j].st_shndx); | |
1559 | psym->st_info = BYTE_GET (esyms[j].st_info); | |
1560 | psym->st_other = BYTE_GET (esyms[j].st_other); | |
1561 | } | |
1562 | ||
1563 | free (esyms); | |
1564 | ||
1565 | return isyms; | |
1566 | } | |
1567 | ||
1568 | static int | |
ebb64169 NC |
1569 | process_section_headers (file) |
1570 | FILE * file; | |
76466873 | 1571 | { |
cb436f39 | 1572 | Elf32_Internal_Shdr * section; |
ebb64169 | 1573 | int i; |
76466873 | 1574 | |
cb436f39 NC |
1575 | section_headers = NULL; |
1576 | ||
ebb64169 NC |
1577 | if (elf_header.e_shnum == 0) |
1578 | { | |
1579 | if (do_sections) | |
1580 | printf (_("\nThere are no sections in this file.\n")); | |
1581 | ||
cb436f39 | 1582 | return 1; |
ebb64169 NC |
1583 | } |
1584 | ||
1585 | if (do_sections && !do_header) | |
1586 | printf (_("There are %d section headers, starting at offset %x:\n"), | |
1587 | elf_header.e_shnum, elf_header.e_shoff); | |
1588 | ||
cb436f39 NC |
1589 | if (! get_section_headers (file)) |
1590 | return 0; | |
ebb64169 NC |
1591 | |
1592 | /* Read in the string table, so that we have names to display. */ | |
1593 | section = section_headers + elf_header.e_shstrndx; | |
1594 | ||
1595 | if (section->sh_size != 0) | |
1596 | { | |
1597 | unsigned long string_table_offset; | |
76466873 | 1598 | |
ebb64169 NC |
1599 | string_table_offset = section->sh_offset; |
1600 | ||
1601 | GET_DATA_ALLOC (section->sh_offset, section->sh_size, | |
1602 | string_table, char *, "string table"); | |
1603 | } | |
1604 | ||
1605 | /* Scan the sections for the dynamic symbol table | |
1606 | and dynamic string table. */ | |
1607 | dynamic_symbols = NULL; | |
1608 | dynamic_strings = NULL; | |
1609 | for (i = 0, section = section_headers; | |
1610 | i < elf_header.e_shnum; | |
1611 | i ++, section ++) | |
1612 | { | |
1613 | if (section->sh_type == SHT_DYNSYM) | |
1614 | { | |
1615 | if (dynamic_symbols != NULL) | |
1616 | { | |
1617 | error (_("File contains multiple dynamic symbol tables\n")); | |
1618 | continue; | |
1619 | } | |
1620 | ||
cb436f39 NC |
1621 | dynamic_symbols = get_elf_symbols |
1622 | (file, section->sh_offset, section->sh_size / section->sh_entsize); | |
ebb64169 NC |
1623 | } |
1624 | else if (section->sh_type == SHT_STRTAB | |
1625 | && strcmp (SECTION_NAME (section), ".dynstr") == 0) | |
76466873 | 1626 | { |
ebb64169 NC |
1627 | if (dynamic_strings != NULL) |
1628 | { | |
1629 | error (_("File contains multiple dynamic string tables\n")); | |
1630 | continue; | |
1631 | } | |
76466873 | 1632 | |
ebb64169 NC |
1633 | GET_DATA_ALLOC (section->sh_offset, section->sh_size, |
1634 | dynamic_strings, char *, "dynamic strings"); | |
76466873 NC |
1635 | } |
1636 | } | |
ebb64169 NC |
1637 | |
1638 | if (! do_sections) | |
cb436f39 | 1639 | return 1; |
76466873 | 1640 | |
ebb64169 NC |
1641 | printf (_("\nSection Header%s:\n"), elf_header.e_shnum > 1 ? "s" : ""); |
1642 | printf | |
9eaac302 | 1643 | (_(" [Nr] Name Type Addr Off Size ES Flg Lk Inf Al\n")); |
76466873 | 1644 | |
ebb64169 NC |
1645 | for (i = 0, section = section_headers; |
1646 | i < elf_header.e_shnum; | |
1647 | i ++, section ++) | |
76466873 | 1648 | { |
cb436f39 NC |
1649 | printf (" [%2d] %-17.17s %-15.15s ", |
1650 | i, | |
1651 | SECTION_NAME (section), | |
1652 | get_section_type_name (section->sh_type)); | |
1653 | ||
c18f8aef | 1654 | printf ( "%8.8lx %6.6lx %6.6lx %2.2lx", |
cb436f39 NC |
1655 | (unsigned long) section->sh_addr, |
1656 | (unsigned long) section->sh_offset, | |
1657 | (unsigned long) section->sh_size, | |
1658 | (unsigned long) section->sh_entsize); | |
76466873 | 1659 | |
cb436f39 | 1660 | printf (" %c%c%c %2ld %3lx %ld \n", |
ebb64169 NC |
1661 | (section->sh_flags & SHF_WRITE ? 'W' : ' '), |
1662 | (section->sh_flags & SHF_ALLOC ? 'A' : ' '), | |
1663 | (section->sh_flags & SHF_EXECINSTR ? 'X' : ' '), | |
cb436f39 NC |
1664 | (unsigned long) section->sh_link, |
1665 | (unsigned long) section->sh_info, | |
1666 | (unsigned long) section->sh_addralign); | |
76466873 | 1667 | } |
cb436f39 NC |
1668 | |
1669 | return 1; | |
76466873 NC |
1670 | } |
1671 | ||
ebb64169 | 1672 | /* Process the reloc section. */ |
cb436f39 | 1673 | static int |
ebb64169 NC |
1674 | process_relocs (file) |
1675 | FILE * file; | |
76466873 | 1676 | { |
ebb64169 NC |
1677 | unsigned long rel_size; |
1678 | unsigned long rel_offset; | |
76466873 | 1679 | |
ebb64169 NC |
1680 | |
1681 | if (!do_reloc) | |
cb436f39 | 1682 | return 1; |
ebb64169 NC |
1683 | |
1684 | if (do_using_dynamic) | |
76466873 | 1685 | { |
ebb64169 NC |
1686 | rel_size = 0; |
1687 | rel_offset = 0; | |
76466873 | 1688 | |
ebb64169 | 1689 | if (dynamic_info [DT_REL]) |
76466873 | 1690 | { |
ebb64169 NC |
1691 | rel_offset = dynamic_info [DT_REL]; |
1692 | rel_size = dynamic_info [DT_RELSZ]; | |
76466873 | 1693 | } |
ebb64169 | 1694 | else if (dynamic_info [DT_RELA]) |
76466873 | 1695 | { |
ebb64169 NC |
1696 | rel_offset = dynamic_info [DT_RELA]; |
1697 | rel_size = dynamic_info [DT_RELASZ]; | |
1698 | } | |
1699 | else if (dynamic_info [DT_JMPREL]) | |
1700 | { | |
1701 | rel_offset = dynamic_info [DT_JMPREL]; | |
1702 | rel_size = dynamic_info [DT_PLTRELSZ]; | |
1703 | } | |
1704 | ||
1705 | if (rel_size) | |
1706 | { | |
cb436f39 NC |
1707 | printf |
1708 | (_("\nRelocation section at offset 0x%x contains %d bytes:\n"), | |
1709 | rel_offset, rel_size); | |
76466873 | 1710 | |
ebb64169 NC |
1711 | dump_relocations (file, rel_offset - loadaddr, rel_size, |
1712 | dynamic_symbols, dynamic_strings); | |
76466873 | 1713 | } |
ebb64169 NC |
1714 | else |
1715 | printf (_("\nThere are no dynamic relocations in this file.\n")); | |
76466873 NC |
1716 | } |
1717 | else | |
1718 | { | |
cb436f39 | 1719 | Elf32_Internal_Shdr * section; |
ebb64169 NC |
1720 | unsigned long i; |
1721 | int found = 0; | |
1722 | ||
1723 | assert (string_table != NULL); | |
1724 | ||
1725 | for (i = 0, section = section_headers; | |
1726 | i < elf_header.e_shnum; | |
1727 | i++, section ++) | |
1728 | { | |
1729 | if ( section->sh_type != SHT_RELA | |
1730 | && section->sh_type != SHT_REL) | |
1731 | continue; | |
1732 | ||
1733 | rel_offset = section->sh_offset; | |
1734 | rel_size = section->sh_size; | |
1735 | ||
1736 | if (rel_size) | |
1737 | { | |
cb436f39 NC |
1738 | Elf32_Internal_Shdr * strsec; |
1739 | Elf32_Internal_Shdr * symsec; | |
1740 | Elf_Internal_Sym * symtab; | |
1741 | char * strtab; | |
ebb64169 | 1742 | |
cb436f39 NC |
1743 | printf |
1744 | (_("\nRelocation section '%s' at offset 0x%x contains %d entries:\n"), | |
1745 | SECTION_NAME (section), rel_offset, | |
1746 | rel_size / section->sh_entsize); | |
ebb64169 NC |
1747 | |
1748 | symsec = section_headers + section->sh_link; | |
1749 | ||
cb436f39 NC |
1750 | symtab = get_elf_symbols (file, symsec->sh_offset, |
1751 | symsec->sh_size / symsec->sh_entsize); | |
1752 | ||
1753 | if (symtab == NULL) | |
1754 | continue; | |
ebb64169 | 1755 | |
ebb64169 NC |
1756 | strsec = section_headers + symsec->sh_link; |
1757 | ||
1758 | GET_DATA_ALLOC (strsec->sh_offset, strsec->sh_size, strtab, | |
1759 | char *, "string table"); | |
1760 | ||
1761 | dump_relocations (file, rel_offset, rel_size, symtab, strtab); | |
1762 | ||
1763 | free (strtab); | |
1764 | free (symtab); | |
1765 | ||
1766 | found = 1; | |
1767 | } | |
1768 | } | |
1769 | ||
1770 | if (! found) | |
1771 | printf (_("\nThere are no relocations in this file.\n")); | |
76466873 | 1772 | } |
cb436f39 NC |
1773 | |
1774 | return 1; | |
ebb64169 | 1775 | } |
76466873 | 1776 | |
ebb64169 NC |
1777 | |
1778 | /* Parse the dynamic segment */ | |
cb436f39 | 1779 | static int |
ebb64169 NC |
1780 | process_dynamic_segment (file) |
1781 | FILE * file; | |
1782 | { | |
cb436f39 NC |
1783 | Elf_Internal_Dyn * dynamic_segment; |
1784 | Elf_Internal_Dyn * entry; | |
1785 | Elf32_External_Dyn * edyn; | |
ebb64169 | 1786 | unsigned int i; |
76466873 | 1787 | |
ebb64169 | 1788 | if (dynamic_size == 0) |
76466873 | 1789 | { |
ebb64169 NC |
1790 | if (do_dynamic) |
1791 | printf (_("\nThere is no dynamic segment in this file.\n")); | |
1792 | ||
cb436f39 | 1793 | return 1; |
ebb64169 NC |
1794 | } |
1795 | ||
1796 | GET_DATA_ALLOC (dynamic_addr, dynamic_size, | |
cb436f39 | 1797 | edyn, Elf32_External_Dyn *, "dynamic segment"); |
ebb64169 | 1798 | |
cb436f39 | 1799 | dynamic_size = dynamic_size / sizeof (Elf32_External_Dyn); |
76466873 | 1800 | |
cb436f39 NC |
1801 | dynamic_segment = (Elf_Internal_Dyn *) |
1802 | malloc (dynamic_size * sizeof (Elf_Internal_Dyn)); | |
1803 | ||
1804 | if (dynamic_segment == NULL) | |
76466873 | 1805 | { |
cb436f39 NC |
1806 | error (_("Out of memory\n")); |
1807 | free (edyn); | |
1808 | return 0; | |
1809 | } | |
1810 | ||
1811 | for (i = 0, entry = dynamic_segment; | |
1812 | i < dynamic_size; | |
1813 | i ++, entry ++) | |
1814 | { | |
1815 | entry->d_tag = BYTE_GET (edyn [i].d_tag); | |
1816 | entry->d_un.d_val = BYTE_GET (edyn [i].d_un.d_val); | |
ebb64169 | 1817 | } |
76466873 | 1818 | |
cb436f39 NC |
1819 | free (edyn); |
1820 | ||
ebb64169 NC |
1821 | /* Find the appropriate symbol table. */ |
1822 | if (dynamic_symbols == NULL) | |
1823 | { | |
1824 | for (i = 0, entry = dynamic_segment; | |
1825 | i < dynamic_size; | |
1826 | ++i, ++ entry) | |
1827 | { | |
cb436f39 NC |
1828 | unsigned long offset; |
1829 | long num_syms; | |
ebb64169 NC |
1830 | |
1831 | if (entry->d_tag != DT_SYMTAB) | |
1832 | continue; | |
1833 | ||
1834 | dynamic_info [DT_SYMTAB] = entry->d_un.d_val; | |
1835 | ||
1836 | /* Since we do not know how big the symbol table is, | |
1837 | we default to reading in the entire file (!) and | |
1838 | processing that. This is overkill, I know, but it | |
1839 | should work. */ | |
1840 | ||
1841 | offset = entry->d_un.d_val - loadaddr; | |
cb436f39 | 1842 | |
ebb64169 NC |
1843 | if (fseek (file, 0, SEEK_END)) |
1844 | error (_("Unable to seek to end of file!")); | |
1845 | ||
cb436f39 | 1846 | num_syms = (ftell (file) - offset) / sizeof (Elf32_External_Sym); |
ebb64169 NC |
1847 | |
1848 | if (num_syms < 1) | |
1849 | { | |
1850 | error (_("Unable to determine the number of symbols to load\n")); | |
1851 | continue; | |
1852 | } | |
1853 | ||
cb436f39 | 1854 | dynamic_symbols = get_elf_symbols (file, offset, num_syms); |
ebb64169 NC |
1855 | } |
1856 | } | |
1857 | ||
1858 | /* Similarly find a string table. */ | |
1859 | if (dynamic_strings == NULL) | |
1860 | { | |
1861 | for (i = 0, entry = dynamic_segment; | |
1862 | i < dynamic_size; | |
1863 | ++i, ++ entry) | |
1864 | { | |
1865 | unsigned long offset; | |
1866 | long str_tab_len; | |
1867 | ||
1868 | if (entry->d_tag != DT_STRTAB) | |
1869 | continue; | |
1870 | ||
1871 | dynamic_info [DT_STRTAB] = entry->d_un.d_val; | |
1872 | ||
1873 | /* Since we do not know how big the string table is, | |
1874 | we default to reading in the entire file (!) and | |
1875 | processing that. This is overkill, I know, but it | |
1876 | should work. */ | |
1877 | ||
1878 | offset = entry->d_un.d_val - loadaddr; | |
1879 | if (fseek (file, 0, SEEK_END)) | |
1880 | error (_("Unable to seek to end of file\n")); | |
1881 | str_tab_len = ftell (file) - offset; | |
1882 | ||
1883 | if (str_tab_len < 1) | |
1884 | { | |
cb436f39 NC |
1885 | error |
1886 | (_("Unable to determine the length of the dynamic string table\n")); | |
ebb64169 NC |
1887 | continue; |
1888 | } | |
1889 | ||
1890 | GET_DATA_ALLOC (offset, str_tab_len, dynamic_strings, char *, | |
1891 | "dynamic string table"); | |
1892 | ||
1893 | break; | |
1894 | } | |
1895 | } | |
1896 | ||
1897 | if (do_dynamic && dynamic_addr) | |
1898 | printf (_("\nDynamic segement at offset 0x%x contains %d entries:\n"), | |
1899 | dynamic_addr, dynamic_size); | |
1900 | if (do_dynamic) | |
1901 | printf (_(" Tag Type Name/Value\n")); | |
1902 | ||
1903 | for (i = 0, entry = dynamic_segment; | |
1904 | i < dynamic_size; | |
1905 | i++, entry ++) | |
1906 | { | |
1907 | if (do_dynamic) | |
cb436f39 NC |
1908 | printf (_(" 0x%-6.6lx (%-11.11s) "), |
1909 | (unsigned long) entry->d_tag, | |
ebb64169 NC |
1910 | get_dynamic_type (entry->d_tag)); |
1911 | ||
1912 | switch (entry->d_tag) | |
1913 | { | |
1914 | case DT_AUXILIARY: | |
1915 | case DT_FILTER: | |
1916 | if (do_dynamic) | |
1917 | { | |
1918 | if (entry->d_tag == DT_AUXILIARY) | |
1919 | printf (_("Auxiliary library")); | |
1920 | else | |
1921 | printf (_("Filter library")); | |
1922 | ||
1923 | if (dynamic_strings) | |
1924 | printf (": [%s]\n", dynamic_strings + entry->d_un.d_val); | |
1925 | else | |
cb436f39 | 1926 | printf (": %#lx\n", (long) entry->d_un.d_val); |
ebb64169 NC |
1927 | } |
1928 | break; | |
76466873 NC |
1929 | |
1930 | case DT_NULL : | |
1931 | case DT_NEEDED : | |
1932 | case DT_PLTRELSZ: | |
1933 | case DT_PLTGOT : | |
1934 | case DT_HASH : | |
1935 | case DT_STRTAB : | |
1936 | case DT_SYMTAB : | |
1937 | case DT_RELA : | |
1938 | case DT_RELASZ : | |
1939 | case DT_RELAENT : | |
1940 | case DT_STRSZ : | |
1941 | case DT_SYMENT : | |
1942 | case DT_INIT : | |
1943 | case DT_FINI : | |
1944 | case DT_SONAME : | |
1945 | case DT_RPATH : | |
1946 | case DT_SYMBOLIC: | |
1947 | case DT_REL : | |
1948 | case DT_RELSZ : | |
1949 | case DT_RELENT : | |
1950 | case DT_PLTREL : | |
1951 | case DT_DEBUG : | |
1952 | case DT_TEXTREL : | |
1953 | case DT_JMPREL : | |
ebb64169 | 1954 | dynamic_info [entry->d_tag] = entry->d_un.d_val; |
76466873 NC |
1955 | |
1956 | if (do_dynamic) | |
1957 | { | |
ebb64169 NC |
1958 | char * name; |
1959 | ||
1960 | if (dynamic_strings == NULL) | |
1961 | name = NULL; | |
1962 | else | |
1963 | name = dynamic_strings + entry->d_un.d_val; | |
76466873 | 1964 | |
ebb64169 | 1965 | if (name) |
76466873 | 1966 | { |
ebb64169 | 1967 | switch (entry->d_tag) |
76466873 NC |
1968 | { |
1969 | case DT_NEEDED: | |
ebb64169 | 1970 | printf (_("Shared library: [%s]"), name); |
76466873 | 1971 | |
ebb64169 | 1972 | if (strcmp (name, program_interpreter)) |
76466873 NC |
1973 | printf ("\n"); |
1974 | else | |
1975 | printf (_(" program interpreter\n")); | |
1976 | break; | |
1977 | ||
1978 | case DT_SONAME: | |
ebb64169 | 1979 | printf (_("Library soname: [%s]\n"), name); |
76466873 NC |
1980 | break; |
1981 | ||
1982 | case DT_RPATH: | |
ebb64169 | 1983 | printf (_("Library rpath: [%s]\n"), name); |
76466873 NC |
1984 | break; |
1985 | ||
1986 | default: | |
cb436f39 | 1987 | printf ("%#lx\n", (long) entry->d_un.d_val); |
76466873 NC |
1988 | } |
1989 | } | |
1990 | else | |
cb436f39 | 1991 | printf ("%#lx\n", (long) entry->d_un.d_val); |
76466873 NC |
1992 | } |
1993 | break; | |
1994 | ||
1995 | default: | |
ebb64169 | 1996 | if ((entry->d_tag >= DT_VERSYM) && (entry->d_tag <= DT_VERNEEDNUM)) |
76466873 | 1997 | { |
ebb64169 NC |
1998 | version_info [DT_VERSIONTAGIDX (entry->d_tag)] = |
1999 | entry->d_un.d_val; | |
76466873 NC |
2000 | |
2001 | if (do_dynamic) | |
cb436f39 | 2002 | printf ("%#lx\n", (long) entry->d_un.d_ptr); |
76466873 | 2003 | } |
76466873 NC |
2004 | break; |
2005 | } | |
ebb64169 NC |
2006 | } |
2007 | ||
2008 | free (dynamic_segment); | |
cb436f39 NC |
2009 | |
2010 | return 1; | |
ebb64169 NC |
2011 | } |
2012 | ||
2013 | static char * | |
2014 | get_ver_flags (unsigned short flags) | |
2015 | { | |
2016 | static char buff [32]; | |
2017 | ||
2018 | buff[0] = 0; | |
2019 | ||
2020 | if (flags == 0) | |
2021 | return _("none"); | |
2022 | ||
2023 | if (flags & VER_FLG_BASE) | |
2024 | strcat (buff, "BASE "); | |
2025 | ||
2026 | if (flags & VER_FLG_WEAK) | |
2027 | { | |
2028 | if (flags & VER_FLG_BASE) | |
2029 | strcat (buff, "| "); | |
76466873 | 2030 | |
ebb64169 | 2031 | strcat (buff, "WEAK "); |
76466873 NC |
2032 | } |
2033 | ||
ebb64169 NC |
2034 | if (flags & ~(VER_FLG_BASE | VER_FLG_WEAK)) |
2035 | strcat (buff, "| <unknown>"); | |
2036 | ||
2037 | return buff; | |
2038 | } | |
2039 | ||
2040 | /* Display the contents of the version sections. */ | |
cb436f39 | 2041 | static int |
ebb64169 NC |
2042 | process_version_sections (file) |
2043 | FILE * file; | |
2044 | { | |
cb436f39 | 2045 | Elf32_Internal_Shdr * section; |
ebb64169 NC |
2046 | unsigned i; |
2047 | int found = 0; | |
2048 | ||
2049 | if (! do_version) | |
cb436f39 | 2050 | return 1; |
ebb64169 NC |
2051 | |
2052 | for (i = 0, section = section_headers; | |
2053 | i < elf_header.e_shnum; | |
2054 | i++, section ++) | |
76466873 | 2055 | { |
ebb64169 | 2056 | switch (section->sh_type) |
76466873 | 2057 | { |
ebb64169 NC |
2058 | case SHT_GNU_verdef: |
2059 | { | |
cb436f39 NC |
2060 | Elf_External_Verdef * edefs; |
2061 | unsigned int idx; | |
2062 | unsigned int cnt; | |
2063 | ||
2064 | found = 1; | |
2065 | ||
2066 | printf | |
2067 | (_("\nVersion definition section '%s' contains %d entries:\n"), | |
2068 | SECTION_NAME (section), section->sh_info); | |
ebb64169 NC |
2069 | |
2070 | printf (_(" Addr: %#08x Offset: %#08x Link: %x (%s)\n"), | |
2071 | section->sh_addr, section->sh_offset, section->sh_link, | |
2072 | SECTION_NAME (section_headers + section->sh_link)); | |
76466873 | 2073 | |
ebb64169 | 2074 | GET_DATA_ALLOC (section->sh_offset, section->sh_size, |
cb436f39 | 2075 | edefs, Elf_External_Verdef *, |
ebb64169 NC |
2076 | "version definition section"); |
2077 | ||
2078 | for (idx = cnt = 0; cnt < section->sh_info; ++ cnt) | |
2079 | { | |
cb436f39 NC |
2080 | char * vstart; |
2081 | Elf_External_Verdef * edef; | |
2082 | Elf_Internal_Verdef ent; | |
2083 | Elf_External_Verdaux * eaux; | |
2084 | Elf_Internal_Verdaux aux; | |
2085 | int j; | |
2086 | int isum; | |
2087 | ||
2088 | vstart = ((char *) edefs) + idx; | |
2089 | ||
2090 | edef = (Elf_External_Verdef *) vstart; | |
2091 | ||
2092 | ent.vd_version = BYTE_GET (edef->vd_version); | |
2093 | ent.vd_flags = BYTE_GET (edef->vd_flags); | |
2094 | ent.vd_ndx = BYTE_GET (edef->vd_ndx); | |
2095 | ent.vd_cnt = BYTE_GET (edef->vd_cnt); | |
2096 | ent.vd_hash = BYTE_GET (edef->vd_hash); | |
2097 | ent.vd_aux = BYTE_GET (edef->vd_aux); | |
2098 | ent.vd_next = BYTE_GET (edef->vd_next); | |
ebb64169 NC |
2099 | |
2100 | printf (_(" %#06x: Rev: %d Flags: %s"), | |
cb436f39 | 2101 | idx, ent.vd_version, get_ver_flags (ent.vd_flags)); |
ebb64169 | 2102 | |
cb436f39 | 2103 | printf (_(" Index: %ld Cnt: %ld "), ent.vd_ndx, ent.vd_cnt); |
ebb64169 | 2104 | |
cb436f39 NC |
2105 | vstart += ent.vd_aux; |
2106 | ||
2107 | eaux = (Elf_External_Verdaux *) vstart; | |
2108 | ||
2109 | aux.vda_name = BYTE_GET (eaux->vda_name); | |
2110 | aux.vda_next = BYTE_GET (eaux->vda_next); | |
ebb64169 NC |
2111 | |
2112 | if (dynamic_strings) | |
cb436f39 | 2113 | printf (_("Name: %s\n"), dynamic_strings + aux.vda_name); |
ebb64169 | 2114 | else |
cb436f39 | 2115 | printf (_("Name index: %ld\n"), aux.vda_name); |
ebb64169 | 2116 | |
cb436f39 | 2117 | isum = idx + ent.vd_aux; |
ebb64169 | 2118 | |
cb436f39 | 2119 | for (j = 1; j < ent.vd_cnt; j ++) |
ebb64169 | 2120 | { |
cb436f39 NC |
2121 | isum += aux.vda_next; |
2122 | vstart += aux.vda_next; | |
2123 | ||
2124 | eaux = (Elf_External_Verdaux *) vstart; | |
2125 | ||
2126 | aux.vda_name = BYTE_GET (eaux->vda_name); | |
2127 | aux.vda_next = BYTE_GET (eaux->vda_next); | |
ebb64169 | 2128 | |
ebb64169 NC |
2129 | if (dynamic_strings) |
2130 | printf (_(" %#06x: Parent %d: %s\n"), | |
cb436f39 | 2131 | isum, j, dynamic_strings + aux.vda_name); |
ebb64169 | 2132 | else |
cb436f39 NC |
2133 | printf (_(" %#06x: Parent %d, name index: %ld\n"), |
2134 | isum, j, aux.vda_name); | |
ebb64169 NC |
2135 | } |
2136 | ||
cb436f39 | 2137 | idx += ent.vd_next; |
ebb64169 NC |
2138 | } |
2139 | ||
cb436f39 | 2140 | free (edefs); |
ebb64169 NC |
2141 | } |
2142 | break; | |
2143 | ||
2144 | case SHT_GNU_verneed: | |
2145 | { | |
cb436f39 NC |
2146 | Elf_External_Verneed * eneed; |
2147 | unsigned int idx; | |
2148 | unsigned int cnt; | |
ebb64169 NC |
2149 | |
2150 | found = 1; | |
2151 | ||
2152 | printf (_("\nVersion needs section '%s' contains %d entries:\n"), | |
2153 | SECTION_NAME (section), section->sh_info); | |
2154 | ||
cb436f39 NC |
2155 | printf |
2156 | (_(" Addr: %#08x Offset: %#08x Link to section: %d (%s)\n"), | |
2157 | section->sh_addr, section->sh_offset, section->sh_link, | |
2158 | SECTION_NAME (section_headers + section->sh_link)); | |
ebb64169 NC |
2159 | |
2160 | GET_DATA_ALLOC (section->sh_offset, section->sh_size, | |
cb436f39 | 2161 | eneed, Elf_External_Verneed *, |
ebb64169 NC |
2162 | "version need section"); |
2163 | ||
2164 | for (idx = cnt = 0; cnt < section->sh_info; ++cnt) | |
2165 | { | |
cb436f39 NC |
2166 | Elf_External_Verneed * entry; |
2167 | Elf_Internal_Verneed ent; | |
2168 | int j; | |
2169 | int isum; | |
2170 | char * vstart; | |
ebb64169 | 2171 | |
cb436f39 NC |
2172 | vstart = ((char *) eneed) + idx; |
2173 | ||
2174 | entry = (Elf_External_Verneed *) vstart; | |
ebb64169 | 2175 | |
cb436f39 NC |
2176 | ent.vn_version = BYTE_GET (entry->vn_version); |
2177 | ent.vn_cnt = BYTE_GET (entry->vn_cnt); | |
2178 | ent.vn_file = BYTE_GET (entry->vn_file); | |
2179 | ent.vn_aux = BYTE_GET (entry->vn_aux); | |
2180 | ent.vn_next = BYTE_GET (entry->vn_next); | |
2181 | ||
2182 | printf (_(" %#06x: Version: %d"), idx, ent.vn_version); | |
ebb64169 NC |
2183 | |
2184 | if (dynamic_strings) | |
cb436f39 | 2185 | printf (_(" File: %s"), dynamic_strings + ent.vn_file); |
ebb64169 | 2186 | else |
cb436f39 | 2187 | printf (_(" File: %lx"), ent.vn_file); |
76466873 | 2188 | |
cb436f39 NC |
2189 | printf (_(" Cnt: %d\n"), ent.vn_cnt); |
2190 | ||
2191 | vstart += ent.vn_aux; | |
ebb64169 | 2192 | |
cb436f39 | 2193 | for (j = 0, isum = idx + ent.vn_aux; j < ent.vn_cnt; ++j) |
ebb64169 | 2194 | { |
cb436f39 NC |
2195 | Elf_External_Vernaux * eaux; |
2196 | Elf_Internal_Vernaux aux; | |
2197 | ||
2198 | eaux = (Elf_External_Vernaux *) vstart; | |
2199 | ||
2200 | aux.vna_hash = BYTE_GET (eaux->vna_hash); | |
2201 | aux.vna_flags = BYTE_GET (eaux->vna_flags); | |
2202 | aux.vna_other = BYTE_GET (eaux->vna_other); | |
2203 | aux.vna_name = BYTE_GET (eaux->vna_name); | |
2204 | aux.vna_next = BYTE_GET (eaux->vna_next); | |
ebb64169 NC |
2205 | |
2206 | if (dynamic_strings) | |
2207 | printf (_(" %#06x: Name: %s"), | |
cb436f39 | 2208 | isum, dynamic_strings + aux.vna_name); |
ebb64169 | 2209 | else |
cb436f39 NC |
2210 | printf (_(" %#06x: Name index: %lx"), |
2211 | isum, aux.vna_name); | |
ebb64169 NC |
2212 | |
2213 | printf (_(" Flags: %s Version: %d\n"), | |
cb436f39 | 2214 | get_ver_flags (aux.vna_flags), aux.vna_other); |
ebb64169 | 2215 | |
cb436f39 NC |
2216 | isum += aux.vna_next; |
2217 | vstart += aux.vna_next; | |
ebb64169 NC |
2218 | } |
2219 | ||
cb436f39 | 2220 | idx += ent.vn_next; |
ebb64169 | 2221 | } |
cb436f39 NC |
2222 | |
2223 | free (eneed); | |
ebb64169 NC |
2224 | } |
2225 | break; | |
2226 | ||
2227 | case SHT_GNU_versym: | |
2228 | { | |
cb436f39 NC |
2229 | Elf32_Internal_Shdr * link_section; |
2230 | int total; | |
2231 | int cnt; | |
2232 | unsigned char * edata; | |
2233 | unsigned short * data; | |
2234 | char * strtab; | |
2235 | Elf_Internal_Sym * symbols; | |
2236 | Elf32_Internal_Shdr * string_sec; | |
2237 | ||
2238 | link_section = section_headers + section->sh_link; | |
2239 | total = section->sh_size / section->sh_entsize; | |
2240 | ||
ebb64169 NC |
2241 | found = 1; |
2242 | ||
cb436f39 NC |
2243 | symbols = get_elf_symbols |
2244 | (file, link_section->sh_offset, | |
2245 | link_section->sh_size / link_section->sh_entsize); | |
2246 | ||
ebb64169 NC |
2247 | string_sec = section_headers + link_section->sh_link; |
2248 | ||
2249 | GET_DATA_ALLOC (string_sec->sh_offset, string_sec->sh_size, | |
2250 | strtab, char *, "version string table"); | |
2251 | ||
2252 | printf (_("\nVersion symbols section '%s' contains %d entries:\n"), | |
2253 | SECTION_NAME (section), total); | |
2254 | ||
2255 | printf (_(" Addr: %#08x Offset: %#08x Link: %x (%s)\n"), | |
2256 | section->sh_addr, section->sh_offset, section->sh_link, | |
2257 | SECTION_NAME (link_section)); | |
2258 | ||
cb436f39 NC |
2259 | GET_DATA_ALLOC (version_info [DT_VERSIONTAGIDX (DT_VERSYM)] |
2260 | - loadaddr, | |
2261 | total * sizeof (short), edata, | |
2262 | char *, "version symbol data"); | |
ebb64169 | 2263 | |
cb436f39 NC |
2264 | data = (unsigned short *) malloc (total * sizeof (short)); |
2265 | ||
2266 | for (cnt = total; cnt --;) | |
2267 | data [cnt] = byte_get (edata + cnt * sizeof (short), sizeof (short)); | |
2268 | ||
2269 | free (edata); | |
ebb64169 NC |
2270 | |
2271 | for (cnt = 0; cnt < total; cnt += 4) | |
2272 | { | |
2273 | int j, nn; | |
2274 | ||
2275 | printf (" %03x:", cnt); | |
2276 | ||
2277 | for (j = 0; (j < 4) && (cnt + j) < total; ++j) | |
cb436f39 | 2278 | switch (data [cnt + j]) |
ebb64169 NC |
2279 | { |
2280 | case 0: | |
2281 | printf (" 0 (*local*) "); | |
2282 | break; | |
2283 | ||
2284 | case 1: | |
2285 | printf (" 1 (*global*) "); | |
2286 | break; | |
2287 | ||
2288 | default: | |
cb436f39 NC |
2289 | nn = printf ("%4x%c", data [cnt + j] & 0x7fff, |
2290 | data [cnt + j] & 0x8000 ? 'h' : ' '); | |
ebb64169 NC |
2291 | |
2292 | if (symbols [cnt + j].st_shndx < SHN_LORESERVE | |
2293 | && section_headers[symbols [cnt + j].st_shndx].sh_type | |
2294 | == SHT_NOBITS) | |
2295 | { | |
2296 | /* We must test both. */ | |
cb436f39 NC |
2297 | Elf_Internal_Verneed ivn; |
2298 | unsigned long offset; | |
ebb64169 NC |
2299 | |
2300 | offset = version_info [DT_VERSIONTAGIDX (DT_VERNEED)] | |
2301 | - loadaddr; | |
2302 | ||
2303 | do | |
2304 | { | |
cb436f39 NC |
2305 | Elf_External_Verneed evn; |
2306 | Elf_External_Vernaux evna; | |
2307 | Elf_Internal_Vernaux ivna; | |
2308 | unsigned long vna_off; | |
ebb64169 | 2309 | |
cb436f39 | 2310 | GET_DATA (offset, evn, "version need"); |
ebb64169 | 2311 | |
cb436f39 NC |
2312 | ivn.vn_aux = BYTE_GET (evn.vn_aux); |
2313 | ivn.vn_next = BYTE_GET (evn.vn_next); | |
ebb64169 | 2314 | |
cb436f39 | 2315 | vna_off = offset + ivn.vn_aux; |
ebb64169 NC |
2316 | |
2317 | do | |
2318 | { | |
cb436f39 | 2319 | GET_DATA (vna_off, evna, |
ebb64169 NC |
2320 | "version need aux (1)"); |
2321 | ||
cb436f39 NC |
2322 | ivna.vna_next = BYTE_GET (evna.vna_next); |
2323 | ivna.vna_other = BYTE_GET (evna.vna_other); | |
ebb64169 | 2324 | |
cb436f39 | 2325 | vna_off += ivna.vna_next; |
ebb64169 | 2326 | } |
cb436f39 NC |
2327 | while (ivna.vna_other != data [cnt + j] |
2328 | && ivna.vna_next != 0); | |
ebb64169 | 2329 | |
cb436f39 | 2330 | if (ivna.vna_other == data [cnt + j]) |
ebb64169 | 2331 | { |
cb436f39 | 2332 | ivna.vna_name = BYTE_GET (evna.vna_name); |
ebb64169 NC |
2333 | |
2334 | nn += printf ("(%11.11s)", | |
cb436f39 | 2335 | strtab + ivna.vna_name); |
ebb64169 NC |
2336 | break; |
2337 | } | |
cb436f39 | 2338 | else if (ivn.vn_next == 0) |
ebb64169 | 2339 | { |
cb436f39 | 2340 | if (data [cnt + j] != 0x8001) |
ebb64169 | 2341 | { |
cb436f39 NC |
2342 | Elf_Internal_Verdef ivd; |
2343 | Elf_External_Verdef evd; | |
ebb64169 NC |
2344 | |
2345 | offset = version_info | |
2346 | [DT_VERSIONTAGIDX (DT_VERDEF)] | |
2347 | - loadaddr; | |
2348 | ||
2349 | do | |
2350 | { | |
cb436f39 | 2351 | GET_DATA (offset, evd, |
ebb64169 NC |
2352 | "version definition"); |
2353 | ||
cb436f39 NC |
2354 | ivd.vd_next = BYTE_GET (evd.vd_next); |
2355 | ivd.vd_ndx = BYTE_GET (evd.vd_ndx); | |
ebb64169 | 2356 | |
cb436f39 | 2357 | offset += ivd.vd_next; |
ebb64169 | 2358 | } |
cb436f39 NC |
2359 | while (ivd.vd_ndx |
2360 | != (data [cnt + j] & 0x7fff) | |
2361 | && ivd.vd_next != 0); | |
ebb64169 | 2362 | |
cb436f39 NC |
2363 | if (ivd.vd_ndx |
2364 | == (data [cnt + j] & 0x7fff)) | |
ebb64169 | 2365 | { |
cb436f39 NC |
2366 | Elf_External_Verdaux evda; |
2367 | Elf_Internal_Verdaux ivda; | |
2368 | ||
2369 | ivd.vd_aux = BYTE_GET (evd.vd_aux); | |
ebb64169 | 2370 | |
cb436f39 | 2371 | GET_DATA (offset + ivd.vd_aux, evda, |
ebb64169 NC |
2372 | "version definition aux"); |
2373 | ||
cb436f39 NC |
2374 | ivda.vda_name = |
2375 | BYTE_GET (evda.vda_name); | |
ebb64169 | 2376 | |
cb436f39 NC |
2377 | nn += |
2378 | printf ("(%11.11s)", | |
2379 | strtab + ivda.vda_name); | |
ebb64169 NC |
2380 | } |
2381 | } | |
2382 | ||
2383 | break; | |
2384 | } | |
2385 | else | |
cb436f39 | 2386 | offset += ivn.vn_next; |
ebb64169 | 2387 | } |
cb436f39 | 2388 | while (ivn.vn_next); |
ebb64169 NC |
2389 | } |
2390 | else if (symbols [cnt + j].st_shndx == SHN_UNDEF) | |
2391 | { | |
cb436f39 NC |
2392 | Elf_Internal_Verneed ivn; |
2393 | unsigned long offset; | |
ebb64169 NC |
2394 | |
2395 | offset = version_info [DT_VERSIONTAGIDX (DT_VERNEED)] | |
2396 | - loadaddr; | |
2397 | ||
2398 | do | |
2399 | { | |
cb436f39 NC |
2400 | Elf_Internal_Vernaux ivna; |
2401 | Elf_External_Verneed evn; | |
2402 | Elf_External_Vernaux evna; | |
2403 | unsigned long a_off; | |
ebb64169 | 2404 | |
cb436f39 | 2405 | GET_DATA (offset, evn, "version need"); |
ebb64169 | 2406 | |
cb436f39 NC |
2407 | ivn.vn_aux = BYTE_GET (evn.vn_aux); |
2408 | ivn.vn_next = BYTE_GET (evn.vn_next); | |
ebb64169 | 2409 | |
cb436f39 | 2410 | a_off = offset + ivn.vn_aux; |
ebb64169 NC |
2411 | |
2412 | do | |
2413 | { | |
cb436f39 NC |
2414 | GET_DATA (a_off, evna, |
2415 | "version need aux (2)"); | |
2416 | ||
2417 | ivna.vna_next = BYTE_GET (evna.vna_next); | |
2418 | ivna.vna_other = BYTE_GET (evna.vna_other); | |
ebb64169 | 2419 | |
cb436f39 | 2420 | a_off += ivna.vna_next; |
ebb64169 | 2421 | } |
cb436f39 NC |
2422 | while (ivna.vna_other != data [cnt + j] |
2423 | && ivna.vna_next != 0); | |
ebb64169 | 2424 | |
cb436f39 | 2425 | if (ivna.vna_other == data [cnt + j]) |
ebb64169 | 2426 | { |
cb436f39 | 2427 | ivna.vna_name = BYTE_GET (evna.vna_name); |
ebb64169 NC |
2428 | |
2429 | nn += printf ("(%11.11s)", | |
cb436f39 | 2430 | strtab + ivna.vna_name); |
ebb64169 NC |
2431 | break; |
2432 | } | |
2433 | ||
cb436f39 | 2434 | offset += ivn.vn_next; |
ebb64169 | 2435 | } |
cb436f39 | 2436 | while (ivn.vn_next); |
ebb64169 | 2437 | } |
cb436f39 | 2438 | else if (data [cnt + j] != 0x8001) |
ebb64169 | 2439 | { |
cb436f39 NC |
2440 | Elf_Internal_Verdef ivd; |
2441 | Elf_External_Verdef evd; | |
2442 | unsigned long offset; | |
2443 | ||
2444 | offset = version_info | |
2445 | [DT_VERSIONTAGIDX (DT_VERDEF)] - loadaddr; | |
2446 | ||
2447 | do | |
ebb64169 | 2448 | { |
cb436f39 | 2449 | GET_DATA (offset, evd, "version def"); |
ebb64169 | 2450 | |
cb436f39 NC |
2451 | ivd.vd_next = BYTE_GET (evd.vd_next); |
2452 | ivd.vd_ndx = BYTE_GET (evd.vd_ndx); | |
ebb64169 | 2453 | |
cb436f39 NC |
2454 | offset += ivd.vd_next; |
2455 | } | |
2456 | while (ivd.vd_ndx != (data [cnt + j] & 0x7fff) | |
2457 | && ivd.vd_next != 0); | |
2458 | ||
2459 | if (ivd.vd_ndx == (data [cnt + j] & 0x7fff)) | |
2460 | { | |
2461 | Elf_External_Verdaux evda; | |
2462 | Elf_Internal_Verdaux ivda; | |
2463 | ||
2464 | ivd.vd_aux = BYTE_GET (evd.vd_aux); | |
2465 | ||
2466 | GET_DATA (offset - ivd.vd_next + ivd.vd_aux, | |
2467 | evda, "version def aux"); | |
2468 | ||
2469 | ivda.vda_name = BYTE_GET (evda.vda_name); | |
2470 | ||
2471 | nn += printf ("(%11.11s)", | |
2472 | strtab + ivda.vda_name); | |
ebb64169 NC |
2473 | } |
2474 | } | |
2475 | ||
2476 | if (nn < 18) | |
2477 | printf ("%*c", 18 - nn, ' '); | |
2478 | } | |
2479 | ||
2480 | putchar ('\n'); | |
2481 | } | |
2482 | ||
cb436f39 | 2483 | free (data); |
ebb64169 NC |
2484 | free (strtab); |
2485 | free (symbols); | |
2486 | } | |
2487 | break; | |
2488 | ||
2489 | default: | |
4775a8a5 | 2490 | break; |
76466873 NC |
2491 | } |
2492 | } | |
2493 | ||
ebb64169 NC |
2494 | if (! found) |
2495 | printf (_("\nNo version information found in this file.\n")); | |
cb436f39 NC |
2496 | |
2497 | return 1; | |
ebb64169 NC |
2498 | } |
2499 | ||
2500 | static char * | |
2501 | get_symbol_binding (binding) | |
2502 | unsigned int binding; | |
2503 | { | |
2504 | static char buff [32]; | |
2505 | ||
2506 | switch (binding) | |
2507 | { | |
2508 | case STB_LOCAL: return _("LOCAL"); | |
2509 | case STB_GLOBAL: return _("GLOBAL"); | |
2510 | case STB_WEAK: return _("WEAK"); | |
2511 | default: | |
2512 | if (binding >= STB_LOPROC && binding <= STB_HIPROC) | |
2513 | sprintf (buff, _("<processor specific>: %d"), binding); | |
2514 | else | |
2515 | sprintf (buff, _("<unknown>: %d"), binding); | |
2516 | return buff; | |
2517 | } | |
2518 | } | |
2519 | ||
2520 | static char * | |
2521 | get_symbol_type (type) | |
2522 | unsigned int type; | |
2523 | { | |
2524 | static char buff [32]; | |
2525 | ||
2526 | switch (type) | |
2527 | { | |
2528 | case STT_NOTYPE: return _("NOTYPE"); | |
2529 | case STT_OBJECT: return _("OBJECT"); | |
2530 | case STT_FUNC: return _("FUNC"); | |
2531 | case STT_SECTION: return _("SECTION"); | |
2532 | case STT_FILE: return _("FILE"); | |
2533 | default: | |
2534 | if (type >= STT_LOPROC && type <= STT_HIPROC) | |
2535 | sprintf (buff, _("<processor specific>: %d"), type); | |
2536 | else | |
2537 | sprintf (buff, _("<unknown>: %d"), type); | |
2538 | return buff; | |
2539 | } | |
2540 | } | |
2541 | ||
2542 | static char * | |
2543 | get_symbol_index_type (type) | |
2544 | unsigned short type; | |
2545 | { | |
2546 | switch (type) | |
2547 | { | |
2548 | case SHN_UNDEF: return "UND"; | |
2549 | case SHN_ABS: return "ABS"; | |
2550 | case SHN_COMMON: return "COM"; | |
2551 | default: | |
2552 | if (type >= SHN_LOPROC && type <= SHN_HIPROC) | |
2553 | return "PRC"; | |
2554 | else if (type >= SHN_LORESERVE && type <= SHN_HIRESERVE) | |
2555 | return "RSV"; | |
2556 | else | |
2557 | { | |
2558 | static char buff [32]; | |
2559 | ||
2560 | sprintf (buff, "%3d", type); | |
2561 | return buff; | |
2562 | } | |
2563 | } | |
76466873 NC |
2564 | } |
2565 | ||
ebb64169 | 2566 | |
cb436f39 NC |
2567 | static int * |
2568 | get_dynamic_data (file, number) | |
2569 | FILE * file; | |
2570 | unsigned int number; | |
2571 | { | |
2572 | char * e_data; | |
2573 | int * i_data; | |
2574 | ||
2575 | e_data = (char *) malloc (number * 4); | |
2576 | ||
2577 | if (e_data == NULL) | |
2578 | { | |
2579 | error (_("Out of memory\n")); | |
2580 | return NULL; | |
2581 | } | |
2582 | ||
2583 | if (fread (e_data, 4, number, file) != number) | |
2584 | { | |
2585 | error (_("Unable to read in dynamic data\n")); | |
2586 | return NULL; | |
2587 | } | |
2588 | ||
2589 | i_data = (int *) malloc (number * sizeof (* i_data)); | |
2590 | ||
2591 | if (i_data == NULL) | |
2592 | { | |
2593 | error (_("Out of memory\n")); | |
2594 | free (e_data); | |
2595 | return NULL; | |
2596 | } | |
2597 | ||
2598 | while (number--) | |
2599 | i_data [number] = byte_get (e_data + number * 4, 4); | |
2600 | ||
2601 | free (e_data); | |
2602 | ||
2603 | return i_data; | |
2604 | } | |
2605 | ||
76466873 | 2606 | /* Dump the symbol table */ |
cb436f39 | 2607 | static int |
ebb64169 NC |
2608 | process_symbol_table (file) |
2609 | FILE * file; | |
76466873 | 2610 | { |
cb436f39 | 2611 | Elf32_Internal_Shdr * section; |
76466873 NC |
2612 | |
2613 | if (! do_syms) | |
cb436f39 | 2614 | return 1; |
76466873 | 2615 | |
ebb64169 | 2616 | if (dynamic_info [DT_HASH] && do_using_dynamic && dynamic_strings != NULL) |
76466873 | 2617 | { |
cb436f39 NC |
2618 | char nb [4]; |
2619 | char nc [4]; | |
2620 | int nbuckets; | |
2621 | int nchains; | |
2622 | int * buckets; | |
2623 | int * chains; | |
2624 | int hn; | |
2625 | int si; | |
76466873 | 2626 | |
ebb64169 NC |
2627 | if (fseek (file, dynamic_info [DT_HASH] - loadaddr, SEEK_SET)) |
2628 | { | |
2629 | error (_("Unable to seek to start of dynamic information")); | |
cb436f39 | 2630 | return 0; |
ebb64169 NC |
2631 | } |
2632 | ||
cb436f39 | 2633 | if (fread (& nb, sizeof (nb), 1, file) != 1) |
ebb64169 NC |
2634 | { |
2635 | error (_("Failed to read in number of buckets\n")); | |
cb436f39 | 2636 | return 0; |
ebb64169 NC |
2637 | } |
2638 | ||
cb436f39 | 2639 | if (fread (& nc, sizeof (nc), 1, file) != 1) |
ebb64169 NC |
2640 | { |
2641 | error (_("Failed to read in number of chains\n")); | |
cb436f39 | 2642 | return 0; |
ebb64169 NC |
2643 | } |
2644 | ||
cb436f39 NC |
2645 | nbuckets = byte_get (nb, 4); |
2646 | nchains = byte_get (nc, 4); | |
ebb64169 | 2647 | |
cb436f39 NC |
2648 | buckets = get_dynamic_data (file, nbuckets); |
2649 | chains = get_dynamic_data (file, nchains); | |
ebb64169 | 2650 | |
cb436f39 NC |
2651 | if (buckets == NULL || chains == NULL) |
2652 | return 0; | |
2653 | ||
ebb64169 | 2654 | printf (_("\nSymbol table for image:\n")); |
76466873 NC |
2655 | printf (_(" Num Buc: Value Size Type Bind Ot Ndx Name\n")); |
2656 | ||
ebb64169 | 2657 | for (hn = 0; hn < nbuckets; hn++) |
76466873 | 2658 | { |
ebb64169 | 2659 | if (! buckets [hn]) |
76466873 NC |
2660 | continue; |
2661 | ||
ebb64169 | 2662 | for (si = buckets [hn]; si; si = chains [si]) |
76466873 | 2663 | { |
cb436f39 | 2664 | Elf_Internal_Sym * psym; |
ebb64169 NC |
2665 | |
2666 | psym = dynamic_symbols + si; | |
76466873 | 2667 | |
cb436f39 NC |
2668 | printf (" %3d %3d: %8lx %5ld %6s %6s %2d ", |
2669 | si, hn, | |
2670 | (unsigned long) psym->st_value, | |
2671 | (unsigned long) psym->st_size, | |
ebb64169 NC |
2672 | get_symbol_type (ELF_ST_TYPE (psym->st_info)), |
2673 | get_symbol_binding (ELF_ST_BIND (psym->st_info)), | |
2674 | psym->st_other); | |
2675 | ||
2676 | printf ("%3.3s", get_symbol_index_type (psym->st_shndx)); | |
76466873 | 2677 | |
ebb64169 | 2678 | printf (" %s\n", dynamic_strings + psym->st_name); |
76466873 NC |
2679 | } |
2680 | } | |
ebb64169 NC |
2681 | |
2682 | free (buckets); | |
2683 | free (chains); | |
76466873 NC |
2684 | } |
2685 | else if (!do_using_dynamic) | |
2686 | { | |
ebb64169 NC |
2687 | unsigned int i; |
2688 | ||
2689 | for (i = 0, section = section_headers; | |
2690 | i < elf_header.e_shnum; | |
2691 | i++, section++) | |
76466873 | 2692 | { |
cb436f39 NC |
2693 | unsigned int si; |
2694 | char * strtab; | |
2695 | Elf_Internal_Sym * symtab; | |
2696 | Elf_Internal_Sym * psym; | |
ebb64169 | 2697 | |
76466873 | 2698 | |
ebb64169 NC |
2699 | if ( section->sh_type != SHT_SYMTAB |
2700 | && section->sh_type != SHT_DYNSYM) | |
76466873 NC |
2701 | continue; |
2702 | ||
ebb64169 NC |
2703 | printf (_("\nSymbol table '%s' contains %d entries:\n"), |
2704 | SECTION_NAME (section), | |
2705 | section->sh_size / section->sh_entsize); | |
76466873 | 2706 | printf (_(" Num: Value Size Type Bind Ot Ndx Name\n")); |
76466873 | 2707 | |
cb436f39 NC |
2708 | symtab = get_elf_symbols (file, section->sh_offset, |
2709 | section->sh_size / section->sh_entsize); | |
2710 | if (symtab == NULL) | |
2711 | continue; | |
ebb64169 NC |
2712 | |
2713 | if (section->sh_link == elf_header.e_shstrndx) | |
2714 | strtab = string_table; | |
2715 | else | |
2716 | { | |
cb436f39 NC |
2717 | Elf32_Internal_Shdr * string_sec; |
2718 | ||
2719 | string_sec = section_headers + section->sh_link; | |
2720 | ||
ebb64169 NC |
2721 | GET_DATA_ALLOC (string_sec->sh_offset, string_sec->sh_size, |
2722 | strtab, char *, "string table"); | |
2723 | } | |
2724 | ||
2725 | for (si = 0, psym = symtab; | |
2726 | si < section->sh_size / section->sh_entsize; | |
2727 | si ++, psym ++) | |
2728 | { | |
cb436f39 NC |
2729 | printf (" %3d: %8lx %5ld %-7s %-6s %2d ", |
2730 | si, | |
2731 | (unsigned long) psym->st_value, | |
2732 | (unsigned long) psym->st_size, | |
ebb64169 NC |
2733 | get_symbol_type (ELF_ST_TYPE (psym->st_info)), |
2734 | get_symbol_binding (ELF_ST_BIND (psym->st_info)), | |
76466873 NC |
2735 | psym->st_other); |
2736 | ||
2737 | if (psym->st_shndx == 0) | |
2738 | printf ("UND"); | |
2739 | else if ((psym->st_shndx & 0xffff) == 0xfff1) | |
2740 | printf ("ABS"); | |
2741 | else if ((psym->st_shndx & 0xffff) == 0xfff2) | |
2742 | printf ("COM"); | |
2743 | else | |
2744 | printf ("%3d", psym->st_shndx); | |
76466873 | 2745 | |
ebb64169 NC |
2746 | printf (" %s", strtab + psym->st_name); |
2747 | ||
2748 | if (section->sh_type == SHT_DYNSYM && | |
2749 | version_info [DT_VERSIONTAGIDX (DT_VERSYM)] != 0) | |
76466873 | 2750 | { |
cb436f39 | 2751 | unsigned char data[2]; |
ebb64169 NC |
2752 | unsigned short vers_data; |
2753 | unsigned long offset; | |
2754 | int is_nobits; | |
2755 | int check_def; | |
2756 | ||
2757 | offset = version_info [DT_VERSIONTAGIDX (DT_VERSYM)] | |
2758 | - loadaddr; | |
2759 | ||
cb436f39 | 2760 | GET_DATA (offset + si * sizeof (vers_data), data, |
ebb64169 NC |
2761 | "version data"); |
2762 | ||
cb436f39 | 2763 | vers_data = byte_get (data, 2); |
ebb64169 NC |
2764 | |
2765 | is_nobits = psym->st_shndx < SHN_LORESERVE ? | |
2766 | (section_headers [psym->st_shndx].sh_type == SHT_NOBITS) | |
2767 | : 0; | |
76466873 | 2768 | |
ebb64169 NC |
2769 | check_def = (psym->st_shndx != SHN_UNDEF); |
2770 | ||
2771 | if ((vers_data & 0x8000) || vers_data > 1) | |
76466873 | 2772 | { |
ebb64169 | 2773 | if (is_nobits || ! check_def) |
76466873 | 2774 | { |
cb436f39 NC |
2775 | Elf_External_Verneed evn; |
2776 | Elf_Internal_Verneed ivn; | |
2777 | Elf_Internal_Vernaux ivna; | |
ebb64169 NC |
2778 | |
2779 | /* We must test both. */ | |
2780 | offset = version_info | |
2781 | [DT_VERSIONTAGIDX (DT_VERNEED)] - loadaddr; | |
2782 | ||
cb436f39 | 2783 | GET_DATA (offset, evn, "version need"); |
76466873 | 2784 | |
cb436f39 NC |
2785 | ivn.vn_aux = BYTE_GET (evn.vn_aux); |
2786 | ivn.vn_next = BYTE_GET (evn.vn_next); | |
ebb64169 NC |
2787 | |
2788 | do | |
2789 | { | |
2790 | unsigned long vna_off; | |
2791 | ||
cb436f39 | 2792 | vna_off = offset + ivn.vn_aux; |
ebb64169 NC |
2793 | |
2794 | do | |
2795 | { | |
cb436f39 NC |
2796 | Elf_External_Vernaux evna; |
2797 | ||
2798 | GET_DATA (vna_off, evna, | |
ebb64169 NC |
2799 | "version need aux (3)"); |
2800 | ||
cb436f39 NC |
2801 | ivna.vna_other = BYTE_GET (evna.vna_other); |
2802 | ivna.vna_next = BYTE_GET (evna.vna_next); | |
ebb64169 | 2803 | |
cb436f39 | 2804 | vna_off += ivna.vna_next; |
ebb64169 | 2805 | } |
cb436f39 NC |
2806 | while (ivna.vna_other != vers_data |
2807 | && ivna.vna_next != 0); | |
76466873 | 2808 | |
cb436f39 | 2809 | if (ivna.vna_other == vers_data) |
ebb64169 NC |
2810 | break; |
2811 | ||
cb436f39 | 2812 | offset += ivn.vn_next; |
76466873 | 2813 | } |
cb436f39 | 2814 | while (ivn.vn_next != 0); |
76466873 | 2815 | |
cb436f39 | 2816 | if (ivna.vna_other == vers_data) |
ebb64169 | 2817 | printf ("@%s (%d)", |
cb436f39 | 2818 | strtab + ivna.vna_name, ivna.vna_other); |
ebb64169 NC |
2819 | else if (! is_nobits) |
2820 | error (_("bad dynamic symbol")); | |
2821 | else | |
2822 | check_def = 1; | |
76466873 NC |
2823 | } |
2824 | ||
ebb64169 | 2825 | if (check_def) |
76466873 | 2826 | { |
ebb64169 NC |
2827 | if (vers_data != 0x8001) |
2828 | { | |
cb436f39 NC |
2829 | Elf_Internal_Verdef ivd; |
2830 | Elf_Internal_Verdaux ivda; | |
2831 | Elf_External_Verdaux evda; | |
2832 | unsigned long offset; | |
ebb64169 NC |
2833 | |
2834 | offset = | |
2835 | version_info [DT_VERSIONTAGIDX (DT_VERDEF)] | |
2836 | - loadaddr; | |
2837 | ||
2838 | do | |
2839 | { | |
cb436f39 NC |
2840 | Elf_External_Verdef evd; |
2841 | ||
2842 | GET_DATA (offset, evd, "version def"); | |
ebb64169 | 2843 | |
cb436f39 NC |
2844 | ivd.vd_ndx = BYTE_GET (evd.vd_ndx); |
2845 | ivd.vd_aux = BYTE_GET (evd.vd_aux); | |
2846 | ivd.vd_next = BYTE_GET (evd.vd_next); | |
ebb64169 | 2847 | |
cb436f39 | 2848 | offset += ivd.vd_next; |
ebb64169 | 2849 | } |
cb436f39 NC |
2850 | while (ivd.vd_ndx != (vers_data & 0x7fff) |
2851 | && ivd.vd_next != 0); | |
ebb64169 | 2852 | |
cb436f39 NC |
2853 | offset -= ivd.vd_next; |
2854 | offset += ivd.vd_aux; | |
ebb64169 | 2855 | |
cb436f39 | 2856 | GET_DATA (offset, evda, "version def aux"); |
ebb64169 | 2857 | |
cb436f39 | 2858 | ivda.vda_name = BYTE_GET (evda.vda_name); |
ebb64169 | 2859 | |
cb436f39 | 2860 | if (psym->st_name != ivda.vda_name) |
ebb64169 NC |
2861 | printf ((vers_data & 0x8000) |
2862 | ? "@%s" : "@@%s", | |
cb436f39 | 2863 | strtab + ivda.vda_name); |
ebb64169 | 2864 | } |
76466873 | 2865 | } |
76466873 NC |
2866 | } |
2867 | } | |
2868 | ||
ebb64169 | 2869 | putchar ('\n'); |
76466873 | 2870 | } |
76466873 | 2871 | |
ebb64169 NC |
2872 | free (symtab); |
2873 | if (strtab != string_table) | |
2874 | free (strtab); | |
76466873 NC |
2875 | } |
2876 | } | |
ebb64169 NC |
2877 | else |
2878 | printf | |
2879 | (_("\nDynamic symbol information is not available for displaying symbols.\n")); | |
cb436f39 NC |
2880 | |
2881 | return 1; | |
76466873 NC |
2882 | } |
2883 | ||
cb436f39 | 2884 | static int |
ebb64169 NC |
2885 | process_section_contents (file) |
2886 | FILE * file; | |
76466873 | 2887 | { |
cb436f39 | 2888 | Elf32_Internal_Shdr * section; |
ebb64169 | 2889 | unsigned int i; |
76466873 NC |
2890 | |
2891 | if (! do_dump) | |
cb436f39 | 2892 | return 1; |
76466873 | 2893 | |
ebb64169 NC |
2894 | for (i = 0, section = section_headers; |
2895 | i < elf_header.e_shnum; | |
2896 | i ++, section ++) | |
76466873 | 2897 | { |
76466873 NC |
2898 | #ifdef SUPPORT_DISASSEMBLY |
2899 | /* See if we need an assembly dump of this section */ | |
2900 | ||
2901 | if ((i < NUM_DUMP_SECTS) && (dump_sects[i] & DISASS_DUMP)) | |
2902 | { | |
ebb64169 NC |
2903 | printf (_("\nAssembly dump of section %s\n"), |
2904 | SECTION_NAME (section)); | |
2905 | ||
2906 | /* XXX -- to be done --- XXX */ | |
2907 | } | |
2908 | #endif | |
2909 | /* See if we need a hex dump of this section. */ | |
2910 | if ((i < NUM_DUMP_SECTS) && (dump_sects[i] & HEX_DUMP)) | |
2911 | { | |
cb436f39 NC |
2912 | int bytes; |
2913 | int addr; | |
ebb64169 | 2914 | unsigned char * data; |
cb436f39 | 2915 | char * start; |
ebb64169 NC |
2916 | |
2917 | printf (_("\nHex dump of section '%s':\n"), SECTION_NAME (section)); | |
76466873 | 2918 | |
ebb64169 NC |
2919 | bytes = section->sh_size; |
2920 | addr = section->sh_addr; | |
2921 | ||
2922 | GET_DATA_ALLOC (section->sh_offset, bytes, start, char *, | |
2923 | "section data"); | |
2924 | ||
2925 | data = start; | |
76466873 | 2926 | |
ebb64169 | 2927 | while (bytes) |
76466873 | 2928 | { |
ebb64169 NC |
2929 | int j; |
2930 | int k; | |
2931 | int lbytes; | |
2932 | ||
2933 | lbytes = (bytes > 16 ? 16 : bytes); | |
2934 | ||
2935 | printf (" 0x%8.8x ", addr); | |
76466873 | 2936 | |
ebb64169 | 2937 | switch (elf_header.e_ident [EI_DATA]) |
76466873 | 2938 | { |
ebb64169 NC |
2939 | case ELFDATA2LSB: |
2940 | for (j = 15; j >= 0; j --) | |
2941 | { | |
2942 | if (j < lbytes) | |
2943 | printf ("%2.2x", data [j]); | |
2944 | else | |
2945 | printf (" "); | |
2946 | ||
2947 | if (!(j & 0x3)) | |
2948 | printf (" "); | |
2949 | } | |
2950 | break; | |
2951 | ||
2952 | case ELFDATA2MSB: | |
2953 | for (j = 0; j < 16; j++) | |
2954 | { | |
2955 | if (j < lbytes) | |
2956 | printf ("%2.2x", data [j]); | |
2957 | else | |
2958 | printf (" "); | |
2959 | ||
2960 | if ((j & 3) == 3) | |
2961 | printf (" "); | |
2962 | } | |
2963 | break; | |
2964 | } | |
2965 | ||
2966 | for (j = 0; j < lbytes; j++) | |
2967 | { | |
2968 | k = data [j]; | |
2969 | if (k >= ' ' && k < 0x80) | |
2970 | printf ("%c", k); | |
2971 | else | |
2972 | printf ("."); | |
2973 | } | |
2974 | ||
2975 | putchar ('\n'); | |
2976 | ||
2977 | data += lbytes; | |
2978 | addr += lbytes; | |
2979 | bytes -= lbytes; | |
2980 | } | |
2981 | ||
2982 | free (start); | |
2983 | } | |
76466873 | 2984 | } |
cb436f39 NC |
2985 | |
2986 | return 1; | |
2987 | } | |
2988 | ||
2989 | static int | |
2990 | get_file_header (file) | |
2991 | FILE * file; | |
2992 | { | |
2993 | Elf32_External_Ehdr ehdr; | |
2994 | ||
2995 | if (fread (& ehdr, sizeof (ehdr), 1, file) != 1) | |
2996 | return 0; | |
2997 | ||
2998 | memcpy (elf_header.e_ident, ehdr.e_ident, EI_NIDENT); | |
2999 | ||
3000 | if (elf_header.e_ident [EI_DATA] == ELFDATA2LSB) | |
3001 | byte_get = byte_get_little_endian; | |
3002 | else | |
3003 | byte_get = byte_get_big_endian; | |
3004 | ||
3005 | elf_header.e_entry = BYTE_GET (ehdr.e_entry); | |
3006 | elf_header.e_phoff = BYTE_GET (ehdr.e_phoff); | |
3007 | elf_header.e_shoff = BYTE_GET (ehdr.e_shoff); | |
3008 | elf_header.e_version = BYTE_GET (ehdr.e_version); | |
3009 | elf_header.e_flags = BYTE_GET (ehdr.e_flags); | |
3010 | elf_header.e_type = BYTE_GET (ehdr.e_type); | |
3011 | elf_header.e_machine = BYTE_GET (ehdr.e_machine); | |
3012 | elf_header.e_ehsize = BYTE_GET (ehdr.e_ehsize); | |
3013 | elf_header.e_phentsize = BYTE_GET (ehdr.e_phentsize); | |
3014 | elf_header.e_phnum = BYTE_GET (ehdr.e_phnum); | |
3015 | elf_header.e_shentsize = BYTE_GET (ehdr.e_shentsize); | |
3016 | elf_header.e_shnum = BYTE_GET (ehdr.e_shnum); | |
3017 | elf_header.e_shstrndx = BYTE_GET (ehdr.e_shstrndx); | |
3018 | ||
3019 | return 1; | |
76466873 NC |
3020 | } |
3021 | ||
3022 | static void | |
3023 | process_file (file_name) | |
3024 | char * file_name; | |
3025 | { | |
ebb64169 | 3026 | FILE * file; |
76466873 | 3027 | struct stat statbuf; |
ebb64169 | 3028 | unsigned int i; |
76466873 | 3029 | |
ebb64169 NC |
3030 | if (stat (file_name, & statbuf) < 0) |
3031 | { | |
3032 | error (_("Cannot stat input file %s.\n"), file_name); | |
3033 | return; | |
3034 | } | |
3035 | ||
3036 | file = fopen (file_name, "rb"); | |
3037 | if (file == NULL) | |
76466873 NC |
3038 | { |
3039 | error (_("Input file %s not found.\n"), file_name); | |
3040 | return; | |
3041 | } | |
cb436f39 NC |
3042 | |
3043 | if (! get_file_header (file)) | |
76466873 | 3044 | { |
ebb64169 NC |
3045 | error (_("%s: Failed to read file header\n"), file_name); |
3046 | fclose (file); | |
76466873 NC |
3047 | return; |
3048 | } | |
3049 | ||
ebb64169 | 3050 | /* Initialise per file variables. */ |
ebb64169 NC |
3051 | for (i = NUM_ELEM (version_info); i--;) |
3052 | version_info [i] = 0; | |
76466873 | 3053 | |
ebb64169 NC |
3054 | for (i = NUM_ELEM (dynamic_info); i--;) |
3055 | dynamic_info [i] = 0; | |
76466873 | 3056 | |
ebb64169 NC |
3057 | |
3058 | /* Process the file. */ | |
76466873 NC |
3059 | if (show_name) |
3060 | printf (_("\nFile: %s\n"), file_name); | |
3061 | ||
ebb64169 | 3062 | if (! process_file_header ()) |
76466873 | 3063 | { |
ebb64169 | 3064 | fclose (file); |
76466873 NC |
3065 | return; |
3066 | } | |
76466873 | 3067 | |
ebb64169 | 3068 | process_section_headers (file); |
76466873 | 3069 | |
ebb64169 NC |
3070 | process_program_headers (file); |
3071 | ||
3072 | process_dynamic_segment (file); | |
3073 | ||
3074 | process_relocs (file); | |
3075 | ||
3076 | process_symbol_table (file); | |
76466873 | 3077 | |
ebb64169 | 3078 | process_version_sections (file); |
76466873 | 3079 | |
ebb64169 NC |
3080 | process_section_contents (file); |
3081 | ||
3082 | fclose (file); | |
76466873 | 3083 | |
ebb64169 NC |
3084 | if (section_headers) |
3085 | { | |
3086 | free (section_headers); | |
3087 | section_headers = NULL; | |
3088 | } | |
76466873 | 3089 | |
ebb64169 | 3090 | if (string_table) |
76466873 | 3091 | { |
ebb64169 NC |
3092 | free (string_table); |
3093 | string_table = NULL; | |
3094 | } | |
76466873 | 3095 | |
ebb64169 NC |
3096 | if (dynamic_strings) |
3097 | { | |
3098 | free (dynamic_strings); | |
3099 | dynamic_strings = NULL; | |
3100 | } | |
3101 | ||
3102 | if (dynamic_symbols) | |
3103 | { | |
3104 | free (dynamic_symbols); | |
3105 | dynamic_symbols = NULL; | |
76466873 NC |
3106 | } |
3107 | } | |
3108 | ||
3109 | #ifdef SUPPORT_DISASSEMBLY | |
3110 | /* Needed by the i386 disassembler. For extra credit, someone could | |
3111 | fix this so that we insert symbolic addresses here, esp for GOT/PLT | |
3112 | symbols */ | |
3113 | ||
3114 | void | |
3115 | print_address (unsigned int addr, FILE * outfile) | |
3116 | { | |
3117 | fprintf (outfile,"0x%8.8x", addr); | |
3118 | } | |
3119 | ||
3120 | /* Needed by the i386 disassembler. */ | |
3121 | void | |
3122 | db_task_printsym (unsigned int addr) | |
3123 | { | |
3124 | print_address (addr, stderr); | |
3125 | } | |
3126 | #endif | |
3127 | ||
3128 | int | |
3129 | main (argc, argv) | |
3130 | int argc; | |
3131 | char ** argv; | |
3132 | { | |
3133 | parse_args (argc, argv); | |
3134 | ||
76466873 NC |
3135 | if (optind < (argc - 1)) |
3136 | show_name = 1; | |
3137 | ||
3138 | while (optind < argc) | |
3139 | process_file (argv [optind ++]); | |
3140 | ||
3141 | return 0; | |
3142 | } |