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Display number of unrecognised relocations.
[binutils-gdb.git] / binutils / readelf.c
1 /* readelf.c -- display contents of an ELF format file
2 Copyright (C) 1998 Free Software Foundation, Inc.
3
4 Originally developed by Eric Youngdale <eric@andante.jic.com>
5 Modifications by Nick Clifton <nickc@cygnus.com>
6
7 This file is part of GNU Binutils.
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
22 02111-1307, USA. */
23 \f
24
25 #include <assert.h>
26 #include <sys/stat.h>
27 #include <stdio.h>
28 #include <time.h>
29
30 #include "bfd.h"
31 #include "elf/common.h"
32 #include "elf/alpha.h"
33 #include "elf/arm.h"
34 #include "elf/d10v.h"
35 /* start-sanitize-d30v */
36 #include "elf/d30v.h"
37 /* end-sanitize-d30v */
38 #include "elf/i386.h"
39 #include "elf/m32r.h"
40 #include "elf/m68k.h"
41 #include "elf/mips.h"
42 #include "elf/mn10200.h"
43 #include "elf/mn10300.h"
44 #include "elf/ppc.h"
45 #include "elf/sh.h"
46 #include "elf/sparc.h"
47 #include "elf/v850.h"
48 #include "elf/external.h"
49 #include "elf/internal.h"
50
51 #include "bucomm.h"
52 #include "getopt.h"
53
54 #ifdef ANSI_PROTOTYPES
55 #include <stdarg.h>
56 #else
57 #include <varargs.h>
58 #endif
59
60 char * program_name = "readelf";
61 unsigned int dynamic_addr;
62 unsigned int dynamic_size;
63 unsigned int rela_addr;
64 unsigned int rela_size;
65 char * dynamic_strings;
66 char * string_table;
67 Elf_Internal_Sym * dynamic_symbols;
68 char program_interpreter [64];
69 int dynamic_info [DT_JMPREL + 1];
70 int version_info [16];
71 int loadaddr = 0;
72 Elf_Internal_Ehdr elf_header;
73 Elf_Internal_Shdr * section_headers;
74 Elf_Internal_Dyn * dynamic_segment;
75 int show_name;
76 int do_dynamic;
77 int do_syms;
78 int do_reloc;
79 int do_sections;
80 int do_segments;
81 int do_using_dynamic;
82 int do_header;
83 int do_dump;
84 int do_version;
85
86 static unsigned long int (* byte_get) PARAMS ((unsigned char *, int));
87
88 #define NUM_DUMP_SECTS 100
89 char dump_sects [NUM_DUMP_SECTS];
90
91 #define HEX_DUMP 1
92 #define DISASS_DUMP 2
93
94 /* Forward declarations for dumb compilers. */
95 static const char * get_mips_dynamic_type PARAMS ((unsigned long type));
96 static const char * get_dynamic_type PARAMS ((unsigned long type));
97 static const char * get_i386_rel_type PARAMS ((unsigned long rtype));
98 static const char * get_m68k_rel_type PARAMS ((unsigned long rtype));
99 static const char * get_sparc_rel_type PARAMS ((unsigned long rtype));
100 static const char * get_m32r_rel_type PARAMS ((unsigned long rtype));
101 static const char * get_v850_rel_type PARAMS ((unsigned long rtype));
102 static const char * get_d10v_rel_type PARAMS ((unsigned long rtype));
103 /* start-sanitize-d30v */
104 static const char * get_d30v_rel_type PARAMS ((unsigned long rtype));
105 /* end-sanitize-d30v */
106 static const char * get_sh_rel_type PARAMS ((unsigned long rtype));
107 static const char * get_mn10300_rel_type PARAMS ((unsigned long rtype));
108 static const char * get_mn10200_rel_type PARAMS ((unsigned long rtype));
109 static const char * get_ppc_rel_type PARAMS ((unsigned long rtype));
110 static const char * get_mips_rel_type PARAMS ((unsigned long rtype));
111 static const char * get_alpha_rel_type PARAMS ((unsigned long rtype));
112 static const char * get_arm_rel_type PARAMS ((unsigned long rtype));
113 static int dump_relocations
114 PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Sym *, char *));
115 static char * get_file_type PARAMS ((unsigned e_type));
116 static char * get_machine_name PARAMS ((unsigned e_machine));
117 static char * get_machine_data PARAMS ((unsigned e_data));
118 static char * get_machine_flags PARAMS ((unsigned, unsigned e_machine));
119 static const char * get_mips_segment_type PARAMS ((unsigned long type));
120 static const char * get_segment_type PARAMS ((unsigned long p_type));
121 static const char * get_mips_section_type_name PARAMS ((unsigned int sh_type));
122 static const char * get_section_type_name PARAMS ((unsigned int sh_type));
123 static char * get_symbol_binding PARAMS ((unsigned int binding));
124 static char * get_symbol_type PARAMS ((unsigned int type));
125 static void usage PARAMS ((void));
126 static void parse_args PARAMS ((int argc, char ** argv));
127 static int process_file_header PARAMS ((void));
128 static int process_program_headers PARAMS ((FILE *));
129 static int process_section_headers PARAMS ((FILE *));
130 static void dynamic_segment_mips_val PARAMS ((Elf_Internal_Dyn *entry));
131 static int process_dynamic_segment PARAMS ((FILE *));
132 static int process_symbol_table PARAMS ((FILE *));
133 static int process_section_contents PARAMS ((FILE *));
134 static void process_file PARAMS ((char * file_name));
135 static int process_relocs PARAMS ((FILE *));
136 static int process_version_sections PARAMS ((FILE *));
137 static char * get_ver_flags PARAMS ((unsigned int flags));
138 static char * get_symbol_index_type PARAMS ((unsigned int type));
139 static int get_section_headers PARAMS ((FILE * file));
140 static int get_file_header PARAMS ((FILE * file));
141 static Elf_Internal_Sym * get_elf_symbols
142 PARAMS ((FILE * file, unsigned long offset, unsigned long number));
143 static int * get_dynamic_data PARAMS ((FILE * file, unsigned int number));
144
145 typedef int Elf32_Word;
146
147 #define SECTION_NAME(X) (string_table + (X)->sh_name)
148
149 #define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */
150
151 #define BYTE_GET(field) byte_get (field, sizeof (field))
152
153 #define NUM_ELEM(array) (sizeof (array) / sizeof ((array)[0]))
154
155 #define GET_DATA_ALLOC(offset, size, var, type, reason) \
156 if (fseek (file, offset, SEEK_SET)) \
157 { \
158 error (_("Unable to seek to start of %s at %x\n"), reason, offset); \
159 return 0; \
160 } \
161 \
162 var = (type) malloc (size); \
163 \
164 if (var == NULL) \
165 { \
166 error (_("Out of memory allocating %d bytes for %s\n"), size, reason); \
167 return 0; \
168 } \
169 \
170 if (fread (var, size, 1, file) != 1) \
171 { \
172 error (_("Unable to read in %d bytes of %s\n"), size, reason); \
173 free (var); \
174 var = NULL; \
175 return 0; \
176 }
177
178
179 #define GET_DATA(offset, var, reason) \
180 if (fseek (file, offset, SEEK_SET)) \
181 { \
182 error (_("Unable to seek to %x for %s\n"), offset, reason); \
183 return 0; \
184 } \
185 else if (fread (& var, sizeof (var), 1, file) != 1) \
186 { \
187 error (_("Unable to read data at %x for %s\n"), offset, reason); \
188 return 0; \
189 }
190
191 #ifdef ANSI_PROTOTYPES
192 static void
193 error (const char * message, ...)
194 {
195 va_list args;
196
197 fprintf (stderr, _("%s: Error: "), program_name);
198 va_start (args, message);
199 vfprintf (stderr, message, args);
200 va_end (args);
201 return;
202 }
203
204 static void
205 warn (const char * message, ...)
206 {
207 va_list args;
208
209 fprintf (stderr, _("%s: Warning: "), program_name);
210 va_start (args, message);
211 vfprintf (stderr, message, args);
212 va_end (args);
213 return;
214 }
215 #else
216 static void
217 error (va_alist)
218 va_dcl
219 {
220 char * message;
221 va_list args;
222
223 fprintf (stderr, _("%s: Error: "), program_name);
224 va_start (args);
225 message = va_arg (args, char *);
226 vfprintf (stderr, message, args);
227 va_end (args);
228 return;
229 }
230
231 static void
232 warn (va_alist)
233 va_dcl
234 {
235 char * message;
236 va_list args;
237
238 fprintf (stderr, _("%s: Warning: "), program_name);
239 va_start (args);
240 message = va_arg (args, char *);
241 vfprintf (stderr, message, args);
242 va_end (args);
243 return;
244 }
245 #endif
246
247 static unsigned long int
248 byte_get_little_endian (field, size)
249 unsigned char * field;
250 int size;
251 {
252 switch (size)
253 {
254 case 1:
255 return * field;
256
257 case 2:
258 return ((unsigned int) (field [0]))
259 | (((unsigned int) (field [1])) << 8);
260
261 case 4:
262 return ((unsigned long) (field [0]))
263 | (((unsigned long) (field [1])) << 8)
264 | (((unsigned long) (field [2])) << 16)
265 | (((unsigned long) (field [3])) << 24);
266
267 default:
268 error (_("Unhandled data length: %d\n"), size);
269 abort();
270 }
271 }
272
273 static unsigned long int
274 byte_get_big_endian (field, size)
275 unsigned char * field;
276 int size;
277 {
278 switch (size)
279 {
280 case 1:
281 return * field;
282
283 case 2:
284 return ((unsigned int) (field [1])) | (((int) (field [0])) << 8);
285
286 case 4:
287 return ((unsigned long) (field [3]))
288 | (((unsigned long) (field [2])) << 8)
289 | (((unsigned long) (field [1])) << 16)
290 | (((unsigned long) (field [0])) << 24);
291
292 default:
293 error (_("Unhandled data length: %d\n"), size);
294 abort();
295 }
296 }
297
298 static const char *
299 get_i386_rel_type (rtype)
300 unsigned long rtype;
301 {
302 switch (rtype)
303 {
304 case R_386_NONE: return "R_386_NONE";
305 case R_386_32: return "R_386_32";
306 case R_386_PC32: return "R_386_PC32";
307 case R_386_GOT32: return "R_386_GOT32";
308 case R_386_PLT32: return "R_386_PLT32";
309 case R_386_COPY: return "R_386_COPY";
310 case R_386_GLOB_DAT: return "R_386_GLOB_DAT";
311 case R_386_JMP_SLOT: return "R_386_JMP_SLOT";
312 case R_386_RELATIVE: return "R_386_RELATIVE";
313 case R_386_GOTOFF: return "R_386_GOTOFF";
314 case R_386_GOTPC: return "R_386_GOTPC";
315 case R_386_16: return "R_386_16";
316 case R_386_PC16: return "R_386_PC16";
317 case R_386_PC8: return "R_386_PC8";
318 default: return NULL;
319 }
320 }
321
322 static const char *
323 get_m68k_rel_type (rtype)
324 unsigned long rtype;
325 {
326 switch (rtype)
327 {
328 case R_68K_NONE: return "R_68K_NONE";
329 case R_68K_32: return "R_68K_32";
330 case R_68K_16: return "R_68K_16";
331 case R_68K_8: return "R_68K_8";
332 case R_68K_PC32: return "R_68K_PC32";
333 case R_68K_PC16: return "R_68K_PC16";
334 case R_68K_PC8: return "R_68K_PC8";
335 case R_68K_GOT32: return "R_68K_GOT32";
336 case R_68K_GOT16: return "R_68K_GOT16";
337 case R_68K_GOT8: return "R_68K_GOT8";
338 case R_68K_GOT32O: return "R_68K_GOT32O";
339 case R_68K_GOT16O: return "R_68K_GOT16O";
340 case R_68K_GOT8O: return "R_68K_GOT8O";
341 case R_68K_PLT32: return "R_68K_PLT32";
342 case R_68K_PLT16: return "R_68K_PLT16";
343 case R_68K_PLT8: return "R_68K_PLT8";
344 case R_68K_PLT32O: return "R_68K_PLT32O";
345 case R_68K_PLT16O: return "R_68K_PLT16O";
346 case R_68K_PLT8O: return "R_68K_PLT8O";
347 case R_68K_COPY: return "R_68K_COPY";
348 case R_68K_GLOB_DAT: return "R_68K_GLOB_DAT";
349 case R_68K_JMP_SLOT: return "R_68K_JMP_SLOT";
350 case R_68K_RELATIVE: return "R_68K_RELATIVE";
351 default: return NULL;
352 }
353 }
354
355
356 static const char *
357 get_sparc_rel_type (rtype)
358 unsigned long rtype;
359 {
360 switch (rtype)
361 {
362 case R_SPARC_NONE: return "R_SPARC_NONE";
363 case R_SPARC_8: return "R_SPARC_8";
364 case R_SPARC_16: return "R_SPARC_16";
365 case R_SPARC_32: return "R_SPARC_32";
366 case R_SPARC_DISP8: return "R_SPARC_DISP8";
367 case R_SPARC_DISP16: return "R_SPARC_DISP16";
368 case R_SPARC_DISP32: return "R_SPARC_DISP32";
369 case R_SPARC_WDISP30: return "R_SPARC_WDISP30";
370 case R_SPARC_WDISP22: return "R_SPARC_WDISP22";
371 case R_SPARC_HI22: return "R_SPARC_HI22";
372 case R_SPARC_22: return "R_SPARC_22";
373 case R_SPARC_13: return "R_SPARC_13";
374 case R_SPARC_LO10: return "R_SPARC_LO10";
375 case R_SPARC_GOT10: return "R_SPARC_GOT10";
376 case R_SPARC_GOT13: return "R_SPARC_GOT13";
377 case R_SPARC_GOT22: return "R_SPARC_GOT22";
378 case R_SPARC_PC10: return "R_SPARC_PC10";
379 case R_SPARC_PC22: return "R_SPARC_PC22";
380 case R_SPARC_WPLT30: return "R_SPARC_WPLT30";
381 case R_SPARC_COPY: return "R_SPARC_COPY";
382 case R_SPARC_GLOB_DAT: return "R_SPARC_GLOB_DAT";
383 case R_SPARC_JMP_SLOT: return "R_SPARC_JMP_SLOT";
384 case R_SPARC_RELATIVE: return "R_SPARC_RELATIVE";
385 case R_SPARC_UA32: return "R_SPARC_UA32";
386 case R_SPARC_10: return "R_SPARC_10";
387 case R_SPARC_11: return "R_SPARC_11";
388 case R_SPARC_64: return "R_SPARC_64";
389 case R_SPARC_OLO10: return "R_SPARC_OLO10";
390 case R_SPARC_HH22: return "R_SPARC_HH22";
391 case R_SPARC_HM10: return "R_SPARC_HM10";
392 case R_SPARC_LM22: return "R_SPARC_LM22";
393 case R_SPARC_PC_HH22: return "R_SPARC_PC_HH22";
394 case R_SPARC_PC_HM10: return "R_SPARC_PC_HM10";
395 case R_SPARC_PC_LM22: return "R_SPARC_PC_LM22";
396 case R_SPARC_WDISP16: return "R_SPARC_WDISP16";
397 case R_SPARC_WDISP19: return "R_SPARC_WDISP19";
398 case R_SPARC_UNUSED_42: return "R_SPARC_UNUSED_42";
399 case R_SPARC_7: return "R_SPARC_7";
400 case R_SPARC_5: return "R_SPARC_5";
401 case R_SPARC_6: return "R_SPARC_6";
402 case R_SPARC_DISP64: return "R_SPARC_DISP64";
403 case R_SPARC_PLT64: return "R_SPARC_PLT64";
404 case R_SPARC_HIX22: return "R_SPARC_HIX22";
405 case R_SPARC_LOX10: return "R_SPARC_LOX10";
406 case R_SPARC_H44: return "R_SPARC_H44";
407 case R_SPARC_M44: return "R_SPARC_M44";
408 case R_SPARC_L44: return "R_SPARC_L44";
409 case R_SPARC_REGISTER: return "R_SPARC_REGISTER";
410 case R_SPARC_UA64: return "R_SPARC_UA64";
411 case R_SPARC_UA16: return "R_SPARC_UA16";
412 default: return NULL;
413 }
414 }
415
416
417 static const char *
418 get_m32r_rel_type (rtype)
419 unsigned long rtype;
420 {
421 switch (rtype)
422 {
423 case R_M32R_NONE: return "R_M32R_NONE";
424 case R_M32R_16: return "R_M32R_16";
425 case R_M32R_32: return "R_M32R_32";
426 case R_M32R_24: return "R_M32R_24";
427 case R_M32R_10_PCREL: return "R_M32R_10_PCREL";
428 case R_M32R_18_PCREL: return "R_M32R_18_PCREL";
429 case R_M32R_26_PCREL: return "R_M32R_26_PCREL";
430 case R_M32R_HI16_ULO: return "R_M32R_HI16_ULO";
431 case R_M32R_HI16_SLO: return "R_M32R_HI16_SLO";
432 case R_M32R_LO16: return "R_M32R_LO16";
433 case R_M32R_SDA16: return "R_M32R_SDA16";
434 default: return NULL;
435 }
436 }
437
438
439 static const char *
440 get_v850_rel_type (rtype)
441 unsigned long rtype;
442 {
443 switch (rtype)
444 {
445 case R_V850_NONE: return "R_V850_NONE";
446 case R_V850_9_PCREL: return "R_V850_9_PCREL";
447 case R_V850_22_PCREL: return "R_V850_22_PCREL";
448 case R_V850_HI16_S: return "R_V850_HI16_S";
449 case R_V850_HI16: return "R_V850_HI16";
450 case R_V850_LO16: return "R_V850_LO16";
451 case R_V850_32: return "R_V850_32";
452 case R_V850_16: return "R_V850_16";
453 case R_V850_8: return "R_V850_8";
454 case R_V850_SDA_16_16_OFFSET: return "R_V850_SDA_16_16_OFFSET";
455 case R_V850_SDA_15_16_OFFSET: return "R_V850_SDA_15_16_OFFSET";
456 case R_V850_ZDA_16_16_OFFSET: return "R_V850_ZDA_16_16_OFFSET";
457 case R_V850_ZDA_15_16_OFFSET: return "R_V850_ZDA_15_16_OFFSET";
458 case R_V850_TDA_6_8_OFFSET: return "R_V850_TDA_6_8_OFFSET";
459 case R_V850_TDA_7_8_OFFSET: return "R_V850_TDA_7_8_OFFSET";
460 case R_V850_TDA_7_7_OFFSET: return "R_V850_TDA_7_7_OFFSET";
461 case R_V850_TDA_16_16_OFFSET: return "R_V850_TDA_16_16_OFFSET";
462 /* start-sanitize-v850e */
463 case R_V850_TDA_4_5_OFFSET: return "R_V850_TDA_4_5_OFFSET";
464 case R_V850_TDA_4_4_OFFSET: return "R_V850_TDA_4_4_OFFSET";
465 case R_V850_SDA_16_16_SPLIT_OFFSET: return "R_V850_SDA_16_16_SPLIT_OFFSET";
466 case R_V850_ZDA_16_16_SPLIT_OFFSET: return "R_V850_ZDA_16_16_SPLIT_OFFSET";
467 case R_V850_CALLT_6_7_OFFSET: return "R_V850_CALLT_6_7_OFFSET";
468 case R_V850_CALLT_16_16_OFFSET: return "R_V850_CALLT_16_16_OFFSET";
469 /* end-sanitize-v850e */
470 default: return NULL;
471 }
472 }
473
474
475 static const char *
476 get_d10v_rel_type (rtype)
477 unsigned long rtype;
478 {
479 switch (rtype)
480 {
481 case R_D10V_NONE: return "R_D10V_NONE";
482 case R_D10V_10_PCREL_R: return "R_D10V_10_PCREL_R";
483 case R_D10V_10_PCREL_L: return "R_D10V_10_PCREL_L";
484 case R_D10V_16: return "R_D10V_16";
485 case R_D10V_18: return "R_D10V_18";
486 case R_D10V_18_PCREL: return "R_D10V_18_PCREL";
487 case R_D10V_32: return "R_D10V_32";
488 default: return NULL;
489 }
490 }
491
492 /* start-sanitize-d30v */
493 static const char *
494 get_d30v_rel_type (rtype)
495 unsigned long rtype;
496 {
497 switch (rtype)
498 {
499 case R_D30V_NONE: return "R_D30V_NONE";
500 case R_D30V_6: return "R_D30V_6";
501 case R_D30V_9_PCREL: return "R_D30V_9_PCREL";
502 case R_D30V_9_PCREL_R: return "R_D30V_9_PCREL_R";
503 case R_D30V_15: return "R_D30V_15";
504 case R_D30V_15_PCREL: return "R_D30V_15_PCREL";
505 case R_D30V_15_PCREL_R: return "R_D30V_15_PCREL_R";
506 case R_D30V_21: return "R_D30V_21";
507 case R_D30V_21_PCREL: return "R_D30V_21_PCREL";
508 case R_D30V_21_PCREL_R: return "R_D30V_21_PCREL_R";
509 case R_D30V_32: return "R_D30V_32";
510 case R_D30V_32_PCREL: return "R_D30V_32_PCREL";
511 case R_D30V_32_NORMAL: return "R_D30V_32_NORMAL";
512 default: return NULL;
513 }
514 }
515
516 /* end-sanitize-d30v */
517 static const char *
518 get_sh_rel_type (rtype)
519 unsigned long rtype;
520 {
521 switch (rtype)
522 {
523 case R_SH_NONE: return "R_SH_NONE";
524 case R_SH_DIR32: return "R_SH_DIR32";
525 case R_SH_REL32: return "R_SH_REL32";
526 case R_SH_DIR8WPN: return "R_SH_DIR8WPN";
527 case R_SH_IND12W: return "R_SH_IND12W";
528 case R_SH_DIR8WPL: return "R_SH_DIR8WPL";
529 case R_SH_DIR8WPZ: return "R_SH_DIR8WPZ";
530 case R_SH_DIR8BP: return "R_SH_DIR8BP";
531 case R_SH_DIR8W: return "R_SH_DIR8W";
532 case R_SH_DIR8L: return "R_SH_DIR8L";
533 case R_SH_SWITCH16: return "R_SH_SWITCH16";
534 case R_SH_SWITCH32: return "R_SH_SWITCH32";
535 case R_SH_USES: return "R_SH_USES";
536 case R_SH_COUNT: return "R_SH_COUNT";
537 case R_SH_ALIGN: return "R_SH_ALIGN";
538 case R_SH_CODE: return "R_SH_CODE";
539 case R_SH_DATA: return "R_SH_DATA";
540 case R_SH_LABEL: return "R_SH_LABEL";
541 default: return NULL;
542 }
543 }
544
545
546 static const char *
547 get_mn10300_rel_type (rtype)
548 unsigned long rtype;
549 {
550 switch (rtype)
551 {
552 case R_MN10300_NONE: return "R_MN10300_NONE";
553 case R_MN10300_32: return "R_MN10300_32";
554 case R_MN10300_16: return "R_MN10300_16";
555 case R_MN10300_8: return "R_MN10300_8";
556 case R_MN10300_PCREL32: return "R_MN10300_PCREL32";
557 case R_MN10300_PCREL16: return "R_MN10300_PCREL16";
558 case R_MN10300_PCREL8: return "R_MN10300_PCREL8";
559 default: return NULL;
560 }
561 }
562
563
564 static const char *
565 get_mn10200_rel_type (rtype)
566 unsigned long rtype;
567 {
568 switch (rtype)
569 {
570 case R_MN10200_NONE: return "R_MN10200_NONE";
571 case R_MN10200_32: return "R_MN10200_32";
572 case R_MN10200_16: return "R_MN10200_16";
573 case R_MN10200_8: return "R_MN10200_8";
574 case R_MN10200_24: return "R_MN10200_24";
575 case R_MN10200_PCREL8: return "R_MN10200_PCREL8";
576 case R_MN10200_PCREL16: return "R_MN10200_PCREL16";
577 case R_MN10200_PCREL24: return "R_MN10200_PCREL24";
578 default: return NULL;
579 }
580 }
581
582
583 static const char *
584 get_ppc_rel_type (rtype)
585 unsigned long rtype;
586 {
587 switch (rtype)
588 {
589 case R_PPC_NONE: return "R_PPC_NONE";
590 case R_PPC_ADDR32: return "R_PPC_ADDR32";
591 case R_PPC_ADDR24: return "R_PPC_ADDR24";
592 case R_PPC_ADDR16: return "R_PPC_ADDR16";
593 case R_PPC_ADDR16_LO: return "R_PPC_ADDR16_LO";
594 case R_PPC_ADDR16_HI: return "R_PPC_ADDR16_HI";
595 case R_PPC_ADDR16_HA: return "R_PPC_ADDR16_HA";
596 case R_PPC_ADDR14: return "R_PPC_ADDR14";
597 case R_PPC_ADDR14_BRTAKEN: return "R_PPC_ADDR14_BRTAKEN";
598 case R_PPC_ADDR14_BRNTAKEN: return "R_PPC_ADDR14_BRNTAKEN";
599 case R_PPC_REL24: return "R_PPC_REL24";
600 case R_PPC_REL14: return "R_PPC_REL14";
601 case R_PPC_REL14_BRTAKEN: return "R_PPC_REL14_BRTAKEN";
602 case R_PPC_REL14_BRNTAKEN: return "R_PPC_REL14_BRNTAKEN";
603 case R_PPC_GOT16: return "R_PPC_GOT16";
604 case R_PPC_GOT16_LO: return "R_PPC_GOT16_LO";
605 case R_PPC_GOT16_HI: return "R_PPC_GOT16_HI";
606 case R_PPC_GOT16_HA: return "R_PPC_GOT16_HA";
607 case R_PPC_PLTREL24: return "R_PPC_PLTREL24";
608 case R_PPC_COPY: return "R_PPC_COPY";
609 case R_PPC_GLOB_DAT: return "R_PPC_GLOB_DAT";
610 case R_PPC_JMP_SLOT: return "R_PPC_JMP_SLOT";
611 case R_PPC_RELATIVE: return "R_PPC_RELATIVE";
612 case R_PPC_LOCAL24PC: return "R_PPC_LOCAL24PC";
613 case R_PPC_UADDR32: return "R_PPC_UADDR32";
614 case R_PPC_UADDR16: return "R_PPC_UADDR16";
615 case R_PPC_REL32: return "R_PPC_REL32";
616 case R_PPC_PLT32: return "R_PPC_PLT32";
617 case R_PPC_PLTREL32: return "R_PPC_PLTREL32";
618 case R_PPC_PLT16_LO: return "R_PPC_PLT16_LO";
619 case R_PPC_PLT16_HI: return "R_PPC_PLT16_HI";
620 case R_PPC_PLT16_HA: return "R_PPC_PLT16_HA";
621 case R_PPC_SDAREL16: return "R_PPC_SDAREL16";
622 case R_PPC_SECTOFF: return "R_PPC_SECTOFF";
623 case R_PPC_SECTOFF_LO: return "R_PPC_SECTOFF_LO";
624 case R_PPC_SECTOFF_HI: return "R_PPC_SECTOFF_HI";
625 case R_PPC_SECTOFF_HA: return "R_PPC_SECTOFF_HA";
626 case R_PPC_EMB_NADDR32: return "R_PPC_EMB_NADDR32";
627 case R_PPC_EMB_NADDR16: return "R_PPC_EMB_NADDR16";
628 case R_PPC_EMB_NADDR16_LO: return "R_PPC_EMB_NADDR16_LO";
629 case R_PPC_EMB_NADDR16_HI: return "R_PPC_EMB_NADDR16_HI";
630 case R_PPC_EMB_NADDR16_HA: return "R_PPC_EMB_NADDR16_HA";
631 case R_PPC_EMB_SDAI16: return "R_PPC_EMB_SDAI16";
632 case R_PPC_EMB_SDA2I16: return "R_PPC_EMB_SDA2I16";
633 case R_PPC_EMB_SDA2REL: return "R_PPC_EMB_SDA2REL";
634 case R_PPC_EMB_SDA21: return "R_PPC_EMB_SDA21";
635 case R_PPC_EMB_MRKREF: return "R_PPC_EMB_MRKREF";
636 case R_PPC_EMB_RELSEC16: return "R_PPC_EMB_RELSEC16";
637 case R_PPC_EMB_RELST_LO: return "R_PPC_EMB_RELST_LO";
638 case R_PPC_EMB_RELST_HI: return "R_PPC_EMB_RELST_HI";
639 case R_PPC_EMB_RELST_HA: return "R_PPC_EMB_RELST_HA";
640 case R_PPC_EMB_BIT_FLD: return "R_PPC_EMB_BIT_FLD";
641 case R_PPC_EMB_RELSDA: return "R_PPC_EMB_RELSDA";
642 case R_PPC_TOC16: return "R_PPC_TOC16";
643 default: return NULL;
644 }
645 }
646
647
648 static const char *
649 get_mips_rel_type (rtype)
650 unsigned long rtype;
651 {
652 switch (rtype)
653 {
654 case R_MIPS_NONE: return "R_MIPS_NONE";
655 case R_MIPS_16: return "R_MIPS_16";
656 case R_MIPS_32: return "R_MIPS_32";
657 case R_MIPS_REL32: return "R_MIPS_REL32";
658 case R_MIPS_26: return "R_MIPS_26";
659 case R_MIPS_HI16: return "R_MIPS_HI16";
660 case R_MIPS_LO16: return "R_MIPS_LO16";
661 case R_MIPS_GPREL16: return "R_MIPS_GPREL16";
662 case R_MIPS_LITERAL: return "R_MIPS_LITERAL";
663 case R_MIPS_GOT16: return "R_MIPS_GOT16";
664 case R_MIPS_PC16: return "R_MIPS_PC16";
665 case R_MIPS_CALL16: return "R_MIPS_CALL16";
666 case R_MIPS_GPREL32: return "R_MIPS_GPREL32";
667 default: return NULL;
668 }
669 }
670
671
672 static const char *
673 get_alpha_rel_type (rtype)
674 unsigned long rtype;
675 {
676 switch (rtype)
677 {
678 case R_ALPHA_NONE: return "R_ALPHA_NONE";
679 case R_ALPHA_REFLONG: return "R_ALPHA_REFLONG";
680 case R_ALPHA_REFQUAD: return "R_ALPHA_REFQUAD";
681 case R_ALPHA_GPREL32: return "R_ALPHA_GPREL32";
682 case R_ALPHA_LITERAL: return "R_ALPHA_LITERAL";
683 case R_ALPHA_LITUSE: return "R_ALPHA_LITUSE";
684 case R_ALPHA_GPDISP: return "R_ALPHA_GPDISP";
685 case R_ALPHA_BRADDR: return "R_ALPHA_BRADDR";
686 case R_ALPHA_HINT: return "R_ALPHA_HINT";
687 case R_ALPHA_SREL16: return "R_ALPHA_SREL16";
688 case R_ALPHA_SREL32: return "R_ALPHA_SREL32";
689 case R_ALPHA_SREL64: return "R_ALPHA_SREL64";
690 case R_ALPHA_OP_PUSH: return "R_ALPHA_OP_PUSH";
691 case R_ALPHA_OP_STORE: return "R_ALPHA_OP_STORE";
692 case R_ALPHA_OP_PSUB: return "R_ALPHA_OP_PSUB";
693 case R_ALPHA_OP_PRSHIFT: return "R_ALPHA_OP_PRSHIFT";
694 case R_ALPHA_GPVALUE: return "R_ALPHA_GPVALUE";
695 case R_ALPHA_GPRELHIGH: return "R_ALPHA_GPRELHIGH";
696 case R_ALPHA_GPRELLOW: return "R_ALPHA_GPRELLOW";
697 case R_ALPHA_IMMED_GP_16: return "R_ALPHA_IMMED_GP_16";
698 case R_ALPHA_IMMED_GP_HI32: return "R_ALPHA_IMMED_GP_HI32";
699 case R_ALPHA_IMMED_SCN_HI32: return "R_ALPHA_IMMED_SCN_HI32";
700 case R_ALPHA_IMMED_BR_HI32: return "R_ALPHA_IMMED_BR_HI32";
701 case R_ALPHA_IMMED_LO32: return "R_ALPHA_IMMED_LO32";
702 case R_ALPHA_COPY: return "R_ALPHA_COPY";
703 case R_ALPHA_GLOB_DAT: return "R_ALPHA_GLOB_DAT";
704 case R_ALPHA_JMP_SLOT: return "R_ALPHA_JMP_SLOT";
705 case R_ALPHA_RELATIVE: return "R_ALPHA_RELATIVE";
706 default: return NULL;
707 }
708 }
709
710
711 static const char *
712 get_arm_rel_type (rtype)
713 unsigned long rtype;
714 {
715 switch (rtype)
716 {
717 case R_ARM_NONE: return "R_ARM_NONE";
718 case R_ARM_PC24: return "R_ARM_PC24";
719 case R_ARM_ABS32: return "R_ARM_ABS32";
720 case R_ARM_REL32: return "R_ARM_REL32";
721 case R_ARM_COPY: return "R_ARM_COPY";
722 case R_ARM_GLOB_DAT: return "R_ARM_GLOB_DAT";
723 case R_ARM_JUMP_SLOT: return "R_ARM_JUMP_SLOT";
724 case R_ARM_RELATIVE: return "R_ARM_RELATIVE";
725 case R_ARM_GOTOFF: return "R_ARM_GOTOFF";
726 case R_ARM_GOTPC: return "R_ARM_GOTPC";
727 case R_ARM_GOT32: return "R_ARM_GOT32";
728 case R_ARM_PLT32: return "R_ARM_PLT32";
729 default: return NULL;
730 }
731 }
732
733
734 /* Display the contents of the relocation data
735 found at the specified offset. */
736 static int
737 dump_relocations (file, rel_offset, rel_size, symtab, strtab)
738 FILE * file;
739 unsigned long rel_offset;
740 unsigned long rel_size;
741 Elf_Internal_Sym * symtab;
742 char * strtab;
743 {
744 unsigned int i;
745 int is_rela;
746 Elf_Internal_Rel * rels;
747 Elf_Internal_Rela * relas;
748
749
750 /* Compute number of relocations and read them in. */
751 switch (elf_header.e_machine)
752 {
753 case EM_386:
754 case EM_486:
755 case EM_CYGNUS_M32R:
756 case EM_CYGNUS_D10V:
757 case EM_MIPS:
758 case EM_MIPS_RS4_BE:
759 case EM_ARM:
760 {
761 Elf32_External_Rel * erels;
762
763 GET_DATA_ALLOC (rel_offset, rel_size, erels,
764 Elf32_External_Rel *, "relocs");
765
766 rel_size = rel_size / sizeof (Elf32_External_Rel);
767
768 rels = (Elf_Internal_Rel *) malloc (rel_size *
769 sizeof (Elf_Internal_Rel));
770
771 for (i = 0; i < rel_size; i++)
772 {
773 rels[i].r_offset = BYTE_GET (erels[i].r_offset);
774 rels[i].r_info = BYTE_GET (erels[i].r_info);
775 }
776
777 free (erels);
778
779 is_rela = 0;
780 relas = (Elf_Internal_Rela *) rels;
781 }
782 break;
783
784 case EM_68K:
785 case EM_SPARC:
786 case EM_PPC:
787 case EM_CYGNUS_V850:
788 /* start-sanitize-d30v */
789 case EM_CYGNUS_D30V:
790 /* end-sanitize-d30v */
791 case EM_CYGNUS_MN10200:
792 case EM_CYGNUS_MN10300:
793 case EM_SH:
794 case EM_ALPHA:
795 {
796 Elf32_External_Rela * erelas;
797
798 GET_DATA_ALLOC (rel_offset, rel_size, erelas,
799 Elf32_External_Rela *, "relocs");
800
801 rel_size = rel_size / sizeof (Elf32_External_Rela);
802
803 relas = (Elf_Internal_Rela *) malloc (rel_size *
804 sizeof (Elf_Internal_Rela));
805
806 for (i = 0; i < rel_size; i++)
807 {
808 relas[i].r_offset = BYTE_GET (erelas[i].r_offset);
809 relas[i].r_info = BYTE_GET (erelas[i].r_info);
810 relas[i].r_addend = BYTE_GET (erelas[i].r_addend);
811 }
812
813 free (erelas);
814
815 is_rela = 1;
816 rels = (Elf_Internal_Rel *) relas;
817 }
818 break;
819
820 default:
821 warn (_("Don't know about relocations on this machine architecture\n"));
822 return 0;
823 }
824
825 if (is_rela)
826 printf
827 (_(" Offset Value Type Symbol's Value Symbol's Name Addend\n"));
828 else
829 printf
830 (_(" Offset Value Type Symbol's Value Symbol's Name\n"));
831
832 for (i = 0; i < rel_size; i++)
833 {
834 const char * rtype;
835 unsigned long offset;
836 unsigned long info;
837 int symtab_index;
838
839 if (is_rela)
840 {
841 offset = relas [i].r_offset;
842 info = relas [i].r_info;
843 }
844 else
845 {
846 offset = rels [i].r_offset;
847 info = rels [i].r_info;
848 }
849
850 printf (" %8.8lx %5.5lx ", offset, info);
851
852 switch (elf_header.e_machine)
853 {
854 default:
855 rtype = NULL;
856 break;
857
858 case EM_CYGNUS_M32R:
859 rtype = get_m32r_rel_type (ELF32_R_TYPE (info));
860 break;
861
862 case EM_386:
863 case EM_486:
864 rtype = get_i386_rel_type (ELF32_R_TYPE (info));
865 break;
866
867 case EM_68K:
868 rtype = get_m68k_rel_type (ELF32_R_TYPE (info));
869 break;
870
871 case EM_SPARC:
872 rtype = get_sparc_rel_type (ELF32_R_TYPE (info));
873 break;
874
875 case EM_CYGNUS_V850:
876 rtype = get_v850_rel_type (ELF32_R_TYPE (info));
877 break;
878
879 case EM_CYGNUS_D10V:
880 rtype = get_d10v_rel_type (ELF32_R_TYPE (info));
881 break;
882
883 /* start-sanitize-d30v */
884 case EM_CYGNUS_D30V:
885 rtype = get_d30v_rel_type (ELF32_R_TYPE (info));
886 break;
887
888 /* end-sanitize-d30v */
889 case EM_SH:
890 rtype = get_sh_rel_type (ELF32_R_TYPE (info));
891 break;
892
893 case EM_CYGNUS_MN10300:
894 rtype = get_mn10300_rel_type (ELF32_R_TYPE (info));
895 break;
896
897 case EM_CYGNUS_MN10200:
898 rtype = get_mn10200_rel_type (ELF32_R_TYPE (info));
899 break;
900
901 case EM_PPC:
902 rtype = get_ppc_rel_type (ELF32_R_TYPE (info));
903 break;
904
905 case EM_MIPS:
906 case EM_MIPS_RS4_BE:
907 rtype = get_mips_rel_type (ELF32_R_TYPE (info));
908 break;
909
910 case EM_ALPHA:
911 rtype = get_alpha_rel_type (ELF32_R_TYPE (info));
912 break;
913
914 case EM_ARM:
915 rtype = get_arm_rel_type (ELF32_R_TYPE (info));
916 break;
917 }
918
919 if (rtype == NULL)
920 printf ("unrecognised: %-7x", ELF32_R_TYPE (info));
921 else
922 printf ("%-21.21s", rtype);
923
924 symtab_index = ELF32_R_SYM (info);
925
926 if (symtab_index && symtab != NULL)
927 {
928 Elf_Internal_Sym * psym;
929
930 psym = symtab + symtab_index;
931
932 printf (" %08lx ", (unsigned long) psym->st_value);
933
934 if (psym->st_name == 0)
935 printf ("%-25.25s",
936 SECTION_NAME (section_headers + psym->st_shndx));
937 else if (strtab == NULL)
938 printf (_("<string table index %3d>"), psym->st_name);
939 else
940 printf ("%-25.25s", strtab + psym->st_name);
941
942 if (is_rela)
943 printf (" + %lx", (unsigned long) relas [i].r_addend);
944 }
945
946 putchar ('\n');
947 }
948
949 free (relas);
950
951 return 1;
952 }
953
954 static const char *
955 get_mips_dynamic_type (type)
956 unsigned long type;
957 {
958 switch (type)
959 {
960 case DT_MIPS_RLD_VERSION: return "MIPS_RLD_VERSION";
961 case DT_MIPS_TIME_STAMP: return "MIPS_TIME_STAMP";
962 case DT_MIPS_ICHECKSUM: return "MIPS_ICHECKSUM";
963 case DT_MIPS_IVERSION: return "MIPS_IVERSION";
964 case DT_MIPS_FLAGS: return "MIPS_FLAGS";
965 case DT_MIPS_BASE_ADDRESS: return "MIPS_BASE_ADDRESS";
966 case DT_MIPS_MSYM: return "MIPS_MSYM";
967 case DT_MIPS_CONFLICT: return "MIPS_CONFLICT";
968 case DT_MIPS_LIBLIST: return "MIPS_LIBLIST";
969 case DT_MIPS_LOCAL_GOTNO: return "MIPS_LOCAL_GOTNO";
970 case DT_MIPS_CONFLICTNO: return "MIPS_CONFLICTNO";
971 case DT_MIPS_LIBLISTNO: return "MIPS_LIBLISTNO";
972 case DT_MIPS_SYMTABNO: return "MIPS_SYMTABNO";
973 case DT_MIPS_UNREFEXTNO: return "MIPS_UNREFEXTNO";
974 case DT_MIPS_GOTSYM: return "MIPS_GOTSYM";
975 case DT_MIPS_HIPAGENO: return "MIPS_HIPAGENO";
976 case DT_MIPS_RLD_MAP: return "MIPS_RLD_MAP";
977 case DT_MIPS_DELTA_CLASS: return "MIPS_DELTA_CLASS";
978 case DT_MIPS_DELTA_CLASS_NO: return "MIPS_DELTA_CLASS_NO";
979 case DT_MIPS_DELTA_INSTANCE: return "MIPS_DELTA_INSTANCE";
980 case DT_MIPS_DELTA_INSTANCE_NO: return "MIPS_DELTA_INSTANCE_NO";
981 case DT_MIPS_DELTA_RELOC: return "MIPS_DELTA_RELOC";
982 case DT_MIPS_DELTA_RELOC_NO: return "MIPS_DELTA_RELOC_NO";
983 case DT_MIPS_DELTA_SYM: return "MIPS_DELTA_SYM";
984 case DT_MIPS_DELTA_SYM_NO: return "MIPS_DELTA_SYM_NO";
985 case DT_MIPS_DELTA_CLASSSYM: return "MIPS_DELTA_CLASSSYM";
986 case DT_MIPS_DELTA_CLASSSYM_NO: return "MIPS_DELTA_CLASSSYM_NO";
987 case DT_MIPS_CXX_FLAGS: return "MIPS_CXX_FLAGS";
988 case DT_MIPS_PIXIE_INIT: return "MIPS_PIXIE_INIT";
989 case DT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB";
990 case DT_MIPS_LOCALPAGE_GOTIDX: return "MIPS_LOCALPAGE_GOTIDX";
991 case DT_MIPS_LOCAL_GOTIDX: return "MIPS_LOCAL_GOTIDX";
992 case DT_MIPS_HIDDEN_GOTIDX: return "MIPS_HIDDEN_GOTIDX";
993 case DT_MIPS_PROTECTED_GOTIDX: return "MIPS_PROTECTED_GOTIDX";
994 case DT_MIPS_OPTIONS: return "MIPS_OPTIONS";
995 case DT_MIPS_INTERFACE: return "MIPS_INTERFACE";
996 case DT_MIPS_DYNSTR_ALIGN: return "MIPS_DYNSTR_ALIGN";
997 case DT_MIPS_INTERFACE_SIZE: return "MIPS_INTERFACE_SIZE";
998 case DT_MIPS_RLD_TEXT_RESOLVE_ADDR: return "MIPS_RLD_TEXT_RESOLVE_ADDR";
999 case DT_MIPS_PERF_SUFFIX: return "MIPS_PERF_SUFFIX";
1000 case DT_MIPS_COMPACT_SIZE: return "MIPS_COMPACT_SIZE";
1001 case DT_MIPS_GP_VALUE: return "MIPS_GP_VALUE";
1002 case DT_MIPS_AUX_DYNAMIC: return "MIPS_AUX_DYNAMIC";
1003 default:
1004 return NULL;
1005 }
1006 }
1007
1008 static const char *
1009 get_dynamic_type (type)
1010 unsigned long type;
1011 {
1012 static char buff [32];
1013
1014 switch (type)
1015 {
1016 case DT_NULL: return _("NULL");
1017 case DT_NEEDED: return _("NEEDED");
1018 case DT_PLTRELSZ: return _("PLTRELSZ");
1019 case DT_PLTGOT: return _("PLTGOT");
1020 case DT_HASH: return _("HASH");
1021 case DT_STRTAB: return _("STRTAB");
1022 case DT_SYMTAB: return _("SYMTAB");
1023 case DT_RELA: return _("RELA");
1024 case DT_RELASZ: return _("RELASZ");
1025 case DT_RELAENT: return _("RELAENT");
1026 case DT_STRSZ: return _("STRSZ");
1027 case DT_SYMENT: return _("SYMENT");
1028 case DT_INIT: return _("INIT");
1029 case DT_FINI: return _("FINI");
1030 case DT_SONAME: return _("SONAME");
1031 case DT_RPATH: return _("RPATH");
1032 case DT_SYMBOLIC: return _("SYMBOLIC");
1033 case DT_REL: return _("REL");
1034 case DT_RELSZ: return _("RELSZ");
1035 case DT_RELENT: return _("RELENT");
1036 case DT_PLTREL: return _("PLTREL");
1037 case DT_DEBUG: return _("DEBUG");
1038 case DT_TEXTREL: return _("TEXTREL");
1039 case DT_JMPREL: return _("JMPREL");
1040 case DT_VERDEF: return _("VERDEF");
1041 case DT_VERDEFNUM: return _("VERDEFNUM");
1042 case DT_VERNEED: return _("VERNEED");
1043 case DT_VERNEEDNUM: return _("VERNEEDNUM");
1044 case DT_VERSYM: return _("VERSYN");
1045 case DT_AUXILIARY: return _("AUXILARY");
1046 case DT_FILTER: return _("FILTER");
1047
1048 default:
1049 if ((type >= DT_LOPROC) && (type <= DT_HIPROC))
1050 {
1051 const char *result = NULL;
1052 switch (elf_header.e_machine)
1053 {
1054 case EM_MIPS:
1055 case EM_MIPS_RS4_BE:
1056 result = get_mips_dynamic_type (type);
1057 default:
1058 }
1059
1060 if (result == NULL)
1061 {
1062 sprintf (buff, _("Processor Specific: (%x)"), type);
1063 result = buff;
1064 }
1065 return result;
1066 }
1067 else
1068 sprintf (buff, _("<unknown>: %x"), type);
1069 return buff;
1070 }
1071 }
1072
1073 static char *
1074 get_file_type (e_type)
1075 unsigned e_type;
1076 {
1077 static char buff [32];
1078
1079 switch (e_type)
1080 {
1081 case ET_NONE: return _("NONE (None)");
1082 case ET_REL: return _("REL (Relocatable file)");
1083 case ET_EXEC: return _("EXEC (Executable file)");
1084 case ET_DYN: return _("DYN (Shared object file)");
1085 case ET_CORE: return _("CORE (Core file)");
1086
1087 default:
1088 if ((e_type >= ET_LOPROC) && (e_type <= ET_HIPROC))
1089 sprintf (buff, _("Processor Specific: (%x)"), e_type);
1090 else
1091 sprintf (buff, _("<unknown>: %x"), e_type);
1092 return buff;
1093 }
1094 }
1095
1096 static char *
1097 get_machine_name (e_machine)
1098 unsigned e_machine;
1099 {
1100 static char buff [32];
1101
1102 switch (e_machine)
1103 {
1104 case EM_NONE: return _("None");
1105 case EM_M32: return "WE32100";
1106 case EM_SPARC: return "Sparc";
1107 case EM_386: return "Intel 80386";
1108 case EM_68K: return "MC68000";
1109 case EM_88K: return "MC88000";
1110 case EM_486: return "Intel 80486";
1111 case EM_860: return "Intel 80860";
1112 case EM_MIPS: return "MIPS R3000 big-endian";
1113 case EM_S370: return "Amdahl";
1114 case EM_MIPS_RS4_BE: return "MIPS R4000 big-endian";
1115 case EM_OLD_SPARCV9: return "Sparc v9 (old)";
1116 case EM_PARISC: return "HPPA";
1117 case EM_PPC_OLD: return "Power PC (old)";
1118 case EM_SPARC32PLUS: return "Sparc v8+" ;
1119 case EM_960: return "Intel 90860";
1120 case EM_PPC: return "PowerPC";
1121 case EM_V800: return "NEC V800";
1122 case EM_FR20: return "Fujitsu FR20";
1123 case EM_RH32: return "TRW RH32";
1124 case EM_MMA: return "Fujitsu MMA";
1125 case EM_ARM: return "ARM";
1126 case EM_OLD_ALPHA: return "Digital Alpha (old)";
1127 case EM_SH: return "Hitachi SH";
1128 case EM_SPARCV9: return "Sparc v9";
1129 case EM_ALPHA: return "Alpha";
1130 case EM_CYGNUS_D10V: return "d10v";
1131 /* start-sanitize-d30v */
1132 case EM_CYGNUS_D30V: return "d30v";
1133 /* end-sanitize-d30v */
1134 case EM_CYGNUS_M32R: return "M32r";
1135 case EM_CYGNUS_V850: return "v850";
1136 case EM_CYGNUS_MN10300: return "mn10300";
1137 case EM_CYGNUS_MN10200: return "mn10200";
1138
1139 default:
1140 sprintf (buff, _("<unknown>: %x"), e_machine);
1141 return buff;
1142 }
1143 }
1144
1145 static char *
1146 get_machine_flags (e_flags, e_machine)
1147 unsigned e_flags;
1148 unsigned e_machine;
1149 {
1150 static char buf [1024];
1151
1152 buf[0] = '\0';
1153 if (e_flags)
1154 {
1155 switch (e_machine)
1156 {
1157 default:
1158 break;
1159
1160 case EM_PPC:
1161 if (e_flags & EF_PPC_EMB)
1162 strcat (buf, ", emb");
1163
1164 if (e_flags & EF_PPC_RELOCATABLE)
1165 strcat (buf, ", relocatable");
1166
1167 if (e_flags & EF_PPC_RELOCATABLE_LIB)
1168 strcat (buf, ", relocatable-lib");
1169 break;
1170
1171 case EM_CYGNUS_M32R:
1172 if ((e_flags & EF_M32R_ARCH) == E_M32R_ARCH)
1173 strcat (buf, ", m32r");
1174
1175 /* start-sanitize-m32rx */
1176 #ifdef E_M32RX_ARCH
1177 if ((e_flags & EF_M32R_ARCH) == E_M32RX_ARCH)
1178 strcat (buf, ", m32rx");
1179 #endif
1180 /* end-sanitize-m32rx */
1181 break;
1182
1183 case EM_MIPS:
1184 case EM_MIPS_RS4_BE:
1185 if (e_flags & EF_MIPS_NOREORDER)
1186 strcat (buf, ", noreorder");
1187
1188 if (e_flags & EF_MIPS_PIC)
1189 strcat (buf, ", pic");
1190
1191 if (e_flags & EF_MIPS_CPIC)
1192 strcat (buf, ", cpic");
1193
1194 if (e_flags & EF_MIPS_ABI2)
1195 strcat (buf, ", abi2");
1196
1197 if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_1)
1198 strcat (buf, ", mips1");
1199
1200 if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_2)
1201 strcat (buf, ", mips2");
1202
1203 if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_3)
1204 strcat (buf, ", mips3");
1205
1206 if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_4)
1207 strcat (buf, ", mips4");
1208 break;
1209 }
1210 }
1211
1212 return buf;
1213 }
1214
1215 static char *
1216 get_machine_data (e_data)
1217 unsigned e_data;
1218 {
1219 static char buff [32];
1220
1221 switch (e_data)
1222 {
1223 case ELFDATA2LSB: return _("ELFDATA2LSB (little endian)");
1224 case ELFDATA2MSB: return _("ELFDATA2MSB (big endian)");
1225 default:
1226 sprintf (buff, _("<unknown>: %x"), e_data);
1227 return buff;
1228 }
1229 }
1230
1231 static const char *
1232 get_mips_segment_type (type)
1233 unsigned long type;
1234 {
1235 switch (type)
1236 {
1237 case PT_MIPS_REGINFO:
1238 return "REGINFO";
1239 case PT_MIPS_RTPROC:
1240 return "RTPROC";
1241 case PT_MIPS_OPTIONS:
1242 return "OPTIONS";
1243 default:
1244 break;
1245 }
1246
1247 return NULL;
1248 }
1249
1250 static const char *
1251 get_segment_type (p_type)
1252 unsigned long p_type;
1253 {
1254 static char buff [32];
1255
1256 switch (p_type)
1257 {
1258 case PT_NULL: return "NULL";
1259 case PT_LOAD: return "LOAD";
1260 case PT_DYNAMIC: return "DYNAMIC";
1261 case PT_INTERP: return "INTERP";
1262 case PT_NOTE: return "NOTE";
1263 case PT_SHLIB: return "SHLIB";
1264 case PT_PHDR: return "PHDR";
1265
1266 default:
1267 if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC))
1268 {
1269 const char *result;
1270 switch (elf_header.e_machine)
1271 {
1272 case EM_MIPS:
1273 case EM_MIPS_RS4_BE:
1274 result = get_mips_segment_type (p_type);
1275 break;
1276 default:
1277 result = NULL;
1278 break;
1279 }
1280 if (result == NULL)
1281 {
1282 sprintf (buff, "LOPROC+%d", p_type - PT_LOPROC);
1283 result = buff;
1284 }
1285 return result;
1286 }
1287 else
1288 {
1289 sprintf (buff, _("<unknown>: %x"), p_type);
1290 return buff;
1291 }
1292 }
1293 }
1294
1295 static const char *
1296 get_mips_section_type_name (sh_type)
1297 unsigned int sh_type;
1298 {
1299 switch (sh_type)
1300 {
1301 case SHT_MIPS_LIBLIST:
1302 return "MIPS_LIBLIST";
1303 case SHT_MIPS_MSYM:
1304 return "MIPS_MSYM";
1305 case SHT_MIPS_CONFLICT:
1306 return "MIPS_CONFLICT";
1307 case SHT_MIPS_GPTAB:
1308 return "MIPS_GPTAB";
1309 case SHT_MIPS_UCODE:
1310 return "MIPS_UCODE";
1311 case SHT_MIPS_DEBUG:
1312 return "MIPS_DEBUG";
1313 case SHT_MIPS_REGINFO:
1314 return "MIPS_REGINFO";
1315 case SHT_MIPS_PACKAGE:
1316 return "MIPS_PACKAGE";
1317 case SHT_MIPS_PACKSYM:
1318 return "MIPS_PACKSYM";
1319 case SHT_MIPS_RELD:
1320 return "MIPS_RELD";
1321 case SHT_MIPS_IFACE:
1322 return "MIPS_IFACE";
1323 case SHT_MIPS_CONTENT:
1324 return "MIPS_CONTENT";
1325 case SHT_MIPS_OPTIONS:
1326 return "MIPS_OPTIONS";
1327 case SHT_MIPS_SHDR:
1328 return "MIPS_SHDR";
1329 case SHT_MIPS_FDESC:
1330 return "MIPS_FDESC";
1331 case SHT_MIPS_EXTSYM:
1332 return "MIPS_EXTSYM";
1333 case SHT_MIPS_DENSE:
1334 return "MIPS_DENSE";
1335 case SHT_MIPS_PDESC:
1336 return "MIPS_PDESC";
1337 case SHT_MIPS_LOCSYM:
1338 return "MIPS_LOCSYM";
1339 case SHT_MIPS_AUXSYM:
1340 return "MIPS_AUXSYM";
1341 case SHT_MIPS_OPTSYM:
1342 return "MIPS_OPTSYM";
1343 case SHT_MIPS_LOCSTR:
1344 return "MIPS_LOCSTR";
1345 case SHT_MIPS_LINE:
1346 return "MIPS_LINE";
1347 case SHT_MIPS_RFDESC:
1348 return "MIPS_RFDESC";
1349 case SHT_MIPS_DELTASYM:
1350 return "MIPS_DELTASYM";
1351 case SHT_MIPS_DELTAINST:
1352 return "MIPS_DELTAINST";
1353 case SHT_MIPS_DELTACLASS:
1354 return "MIPS_DELTACLASS";
1355 case SHT_MIPS_DWARF:
1356 return "MIPS_DWARF";
1357 case SHT_MIPS_DELTADECL:
1358 return "MIPS_DELTADECL";
1359 case SHT_MIPS_SYMBOL_LIB:
1360 return "MIPS_SYMBOL_LIB";
1361 case SHT_MIPS_EVENTS:
1362 return "MIPS_EVENTS";
1363 case SHT_MIPS_TRANSLATE:
1364 return "MIPS_TRANSLATE";
1365 case SHT_MIPS_PIXIE:
1366 return "MIPS_PIXIE";
1367 case SHT_MIPS_XLATE:
1368 return "MIPS_XLATE";
1369 case SHT_MIPS_XLATE_DEBUG:
1370 return "MIPS_XLATE_DEBUG";
1371 case SHT_MIPS_WHIRL:
1372 return "MIPS_WHIRL";
1373 case SHT_MIPS_EH_REGION:
1374 return "MIPS_EH_REGION";
1375 case SHT_MIPS_XLATE_OLD:
1376 return "MIPS_XLATE_OLD";
1377 case SHT_MIPS_PDR_EXCEPTION:
1378 return "MIPS_PDR_EXCEPTION";
1379 default:
1380 break;
1381 }
1382 return NULL;
1383 }
1384
1385 static const char *
1386 get_section_type_name (sh_type)
1387 unsigned int sh_type;
1388 {
1389 static char buff [32];
1390
1391 switch (sh_type)
1392 {
1393 case SHT_NULL: return "NULL";
1394 case SHT_PROGBITS: return "PROGBITS";
1395 case SHT_SYMTAB: return "SYMTAB";
1396 case SHT_STRTAB: return "STRTAB";
1397 case SHT_RELA: return "RELA";
1398 case SHT_HASH: return "HASH";
1399 case SHT_DYNAMIC: return "DYNAMIC";
1400 case SHT_NOTE: return "NOTE";
1401 case SHT_NOBITS: return "NOBITS";
1402 case SHT_REL: return "REL";
1403 case SHT_SHLIB: return "SHLIB";
1404 case SHT_DYNSYM: return "DYNSYM";
1405 case SHT_GNU_verdef: return "VERDEF";
1406 case SHT_GNU_verneed: return "VERNEED";
1407 case SHT_GNU_versym: return "VERSYM";
1408 case 0x6ffffff0: return "VERSYM";
1409 case 0x6ffffffc: return "VERDEF";
1410 case 0x7ffffffd: return "AUXILIARY";
1411 case 0x7fffffff: return "FILTER";
1412
1413 default:
1414 if ((sh_type >= SHT_LOPROC) && (sh_type <= SHT_HIPROC))
1415 {
1416 const char *result;
1417
1418 switch (elf_header.e_machine)
1419 {
1420 case EM_MIPS:
1421 case EM_MIPS_RS4_BE:
1422 result = get_mips_section_type_name (sh_type);
1423 break;
1424 default:
1425 result = NULL;
1426 break;
1427 }
1428
1429 if (result == NULL)
1430 {
1431 sprintf (buff, _("SHT_LOPROC+%d"), sh_type - SHT_LOPROC);
1432 result = buff;
1433 }
1434 return result;
1435 }
1436 else if ((sh_type >= SHT_LOUSER) && (sh_type <= SHT_HIUSER))
1437 sprintf (buff, _("SHT_LOUSER+%d"), sh_type - SHT_LOUSER);
1438 else
1439 sprintf (buff, _("<unknown>: %x"), sh_type);
1440 return buff;
1441 }
1442 }
1443
1444 struct option options [] =
1445 {
1446 {"all", no_argument, 0, 'a'},
1447 {"file-header", no_argument, 0, 'h'},
1448 {"program-headers", no_argument, 0, 'l'},
1449 {"headers", no_argument, 0, 'e'},
1450 {"segments", no_argument, 0, 'l'},
1451 {"sections", no_argument, 0, 'S'},
1452 {"section-headers", no_argument, 0, 'S'},
1453 {"symbols", no_argument, 0, 's'},
1454 {"relocs", no_argument, 0, 'r'},
1455 {"dynamic", no_argument, 0, 'd'},
1456 {"version-info", no_argument, 0, 'V'},
1457 {"use-dynamic", no_argument, 0, 'D'},
1458
1459 {"hex-dump", required_argument, 0, 'x'},
1460 #ifdef SUPPORT_DISASSEMBLY
1461 {"instruction-dump", required_argument, 0, 'i'},
1462 #endif
1463
1464 {"version", no_argument, 0, 'v'},
1465 {"help", no_argument, 0, 'H'},
1466
1467 {0, no_argument, 0, 0}
1468 };
1469
1470 static void
1471 usage ()
1472 {
1473 fprintf (stdout, _("Usage: readelf {options} elf-file(s)\n"));
1474 fprintf (stdout, _(" Options are:\n"));
1475 fprintf (stdout, _(" -a or --all Equivalent to: -h -l -S -s -r -d -V\n"));
1476 fprintf (stdout, _(" -h or --file-header Display the ELF file header\n"));
1477 fprintf (stdout, _(" -l or --program-headers or --segments\n"));
1478 fprintf (stdout, _(" Display the program headers\n"));
1479 fprintf (stdout, _(" -S or --section-headers or --sections\n"));
1480 fprintf (stdout, _(" Display the sections' header\n"));
1481 fprintf (stdout, _(" -e or --headers Equivalent to: -h -l -S\n"));
1482 fprintf (stdout, _(" -s or --symbols Display the symbol table\n"));
1483 fprintf (stdout, _(" -r or --relocs Display the relocations (if present)\n"));
1484 fprintf (stdout, _(" -d or --dynamic Display the dynamic segment (if present)\n"));
1485 fprintf (stdout, _(" -V or --version-info Display the version sections (if present)\n"));
1486 fprintf (stdout, _(" -D or --use-dynamic Use the dynamic section info when displaying symbols\n"));
1487 fprintf (stdout, _(" -x <number> or --hex-dump=<number>\n"));
1488 fprintf (stdout, _(" Dump the contents of section <number>\n"));
1489 #ifdef SUPPORT_DISASSEMBLY
1490 fprintf (stdout, _(" -i <number> or --instruction-dump=<number>\n"));
1491 fprintf (stdout, _(" Disassemble the contents of section <number>\n"));
1492 #endif
1493 fprintf (stdout, _(" -v or --version Display the version number of readelf\n"));
1494 fprintf (stdout, _(" -H or --help Display this information\n"));
1495 fprintf (stdout, _("Report bugs to bug-gnu-utils@gnu.org\n"));
1496
1497 exit (0);
1498 }
1499
1500 static void
1501 parse_args (argc, argv)
1502 int argc;
1503 char ** argv;
1504 {
1505 int c;
1506
1507 if (argc < 2)
1508 usage ();
1509
1510 while ((c = getopt_long
1511 (argc, argv, "ersahldSDx:i:vV", options, NULL)) != EOF)
1512 {
1513 char * cp;
1514 int section;
1515
1516 switch (c)
1517 {
1518 case 'H':
1519 usage ();
1520 break;
1521
1522 case 'a':
1523 do_syms ++;
1524 do_reloc ++;
1525 do_dynamic ++;
1526 do_header ++;
1527 do_sections ++;
1528 do_segments ++;
1529 do_version ++;
1530 break;
1531 case 'e':
1532 do_header ++;
1533 do_sections ++;
1534 do_segments ++;
1535 break;
1536 case 'D':
1537 do_using_dynamic ++;
1538 break;
1539 case 'r':
1540 do_reloc ++;
1541 break;
1542 case 'h':
1543 do_header ++;
1544 break;
1545 case 'l':
1546 do_segments ++;
1547 break;
1548 case 's':
1549 do_syms ++;
1550 break;
1551 case 'S':
1552 do_sections ++;
1553 break;
1554 case 'd':
1555 do_dynamic ++;
1556 break;
1557 case 'x':
1558 do_dump ++;
1559 section = strtoul (optarg, & cp, 0);
1560 if (! * cp && section >= 0 && section < NUM_DUMP_SECTS)
1561 {
1562 dump_sects [section] |= HEX_DUMP;
1563 break;
1564 }
1565 goto oops;
1566 #ifdef SUPPORT_DISASSEMBLY
1567 case 'i':
1568 do_dump ++;
1569 section = strtoul (optarg, & cp, 0);
1570 if (! * cp && section >= 0 && section < NUM_DUMP_SECTS)
1571 {
1572 dump_sects [section] |= DISASS_DUMP;
1573 break;
1574 }
1575 goto oops;
1576 #endif
1577 case 'v':
1578 print_version (program_name);
1579 break;
1580 case 'V':
1581 do_version ++;
1582 break;
1583 default:
1584 oops:
1585 /* xgettext:c-format */
1586 error (_("Invalid option '-%c'\n"), c);
1587 /* Drop through. */
1588 case '?':
1589 usage ();
1590 }
1591 }
1592
1593 if (!do_dynamic && !do_syms && !do_reloc && !do_sections
1594 && !do_segments && !do_header && !do_dump && !do_version)
1595 usage ();
1596 else if (argc < 3)
1597 {
1598 warn (_("Nothing to do.\n"));
1599 usage();
1600 }
1601 }
1602
1603 /* Decode the data held in 'elf_header'. */
1604 static int
1605 process_file_header ()
1606 {
1607 if ( elf_header.e_ident [EI_MAG0] != ELFMAG0
1608 || elf_header.e_ident [EI_MAG1] != ELFMAG1
1609 || elf_header.e_ident [EI_MAG2] != ELFMAG2
1610 || elf_header.e_ident [EI_MAG3] != ELFMAG3)
1611 {
1612 error
1613 (_("Not an ELF file - it has the wrong magic bytes at the start\n"));
1614 return 0;
1615 }
1616
1617 if (elf_header.e_ident [EI_CLASS] != ELFCLASS32)
1618 {
1619 error (_("Not a 32 bit ELF file\n"));
1620 return 0;
1621 }
1622
1623 if (do_header)
1624 {
1625 int i;
1626
1627 printf (_("ELF Header:\n"));
1628 printf (_(" Magic: "));
1629 for (i = 0; i < EI_NIDENT; i ++)
1630 printf ("%2.2x ", elf_header.e_ident [i]);
1631 printf ("\n");
1632 printf (_(" Type: %s\n"),
1633 get_file_type (elf_header.e_type));
1634 printf (_(" Machine: %s\n"),
1635 get_machine_name (elf_header.e_machine));
1636 printf (_(" Version: 0x%lx\n"),
1637 (unsigned long) elf_header.e_version);
1638 printf (_(" Data: %s\n"),
1639 get_machine_data (elf_header.e_ident [EI_DATA]));
1640 printf (_(" Entry point address: 0x%lx\n"),
1641 (unsigned long) elf_header.e_entry);
1642 printf (_(" Start of program headers: %ld (bytes into file)\n"),
1643 (long) elf_header.e_phoff);
1644 printf (_(" Start of section headers: %ld (bytes into file)\n"),
1645 (long) elf_header.e_shoff);
1646 printf (_(" Flags: 0x%lx%s\n"),
1647 (unsigned long) elf_header.e_flags,
1648 get_machine_flags (elf_header.e_flags, elf_header.e_machine));
1649 printf (_(" Size of this header: %ld (bytes)\n"),
1650 (long) elf_header.e_ehsize);
1651 printf (_(" Size of program headers: %ld (bytes)\n"),
1652 (long) elf_header.e_phentsize);
1653 printf (_(" Number of program headers: %ld\n"),
1654 (long) elf_header.e_phnum);
1655 printf (_(" Size of section headers: %ld (bytes)\n"),
1656 (long) elf_header.e_shentsize);
1657 printf (_(" Number of section headers: %ld\n"),
1658 (long) elf_header.e_shnum);
1659 printf (_(" Section header string table index: %ld\n"),
1660 (long) elf_header.e_shstrndx);
1661 }
1662
1663 return 1;
1664 }
1665
1666
1667 static int
1668 process_program_headers (file)
1669 FILE * file;
1670 {
1671 Elf32_External_Phdr * phdrs;
1672 Elf32_Internal_Phdr * program_headers;
1673 Elf32_Internal_Phdr * segment;
1674 unsigned int i;
1675
1676 if (elf_header.e_phnum == 0)
1677 {
1678 if (do_segments)
1679 printf (_("\nThere are no program headers in this file.\n"));
1680 return 1;
1681 }
1682
1683 if (do_segments && !do_header)
1684 {
1685 printf (_("\nElf file is %s\n"), get_file_type (elf_header.e_type));
1686 printf (_("Entry point 0x%lx\n"), (unsigned long) elf_header.e_entry);
1687 printf (_("There are %d program headers, starting at offset %lx:\n"),
1688 elf_header.e_phnum, (unsigned long) elf_header.e_phoff);
1689 }
1690
1691 GET_DATA_ALLOC (elf_header.e_phoff,
1692 elf_header.e_phentsize * elf_header.e_phnum,
1693 phdrs, Elf32_External_Phdr *, "program headers");
1694
1695 program_headers = (Elf32_Internal_Phdr *) malloc
1696 (elf_header.e_phnum * sizeof (Elf32_Internal_Phdr));
1697
1698 if (program_headers == NULL)
1699 {
1700 error (_("Out of memory\n"));
1701 return 0;
1702 }
1703
1704 for (i = 0, segment = program_headers;
1705 i < elf_header.e_phnum;
1706 i ++, segment ++)
1707 {
1708 segment->p_type = BYTE_GET (phdrs[i].p_type);
1709 segment->p_offset = BYTE_GET (phdrs[i].p_offset);
1710 segment->p_vaddr = BYTE_GET (phdrs[i].p_vaddr);
1711 segment->p_paddr = BYTE_GET (phdrs[i].p_paddr);
1712 segment->p_filesz = BYTE_GET (phdrs[i].p_filesz);
1713 segment->p_memsz = BYTE_GET (phdrs[i].p_memsz);
1714 segment->p_flags = BYTE_GET (phdrs[i].p_flags);
1715 segment->p_align = BYTE_GET (phdrs[i].p_align);
1716 }
1717
1718 free (phdrs);
1719
1720 if (do_segments)
1721 {
1722 printf
1723 (_("\nProgram Header%s:\n"), elf_header.e_phnum > 1 ? "s" : "");
1724 printf
1725 (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n"));
1726 }
1727
1728 loadaddr = -1;
1729 dynamic_addr = 0;
1730
1731 for (i = 0, segment = program_headers;
1732 i < elf_header.e_phnum;
1733 i ++, segment ++)
1734 {
1735 if (do_segments)
1736 {
1737 printf (" %-11.11s ", get_segment_type (segment->p_type));
1738 printf ("0x%5.5lx ", (unsigned long) segment->p_offset);
1739 printf ("0x%8.8lx ", (unsigned long) segment->p_vaddr);
1740 printf ("0x%8.8lx ", (unsigned long) segment->p_paddr);
1741 printf ("0x%5.5lx ", (unsigned long) segment->p_filesz);
1742 printf ("0x%5.5lx ", (unsigned long) segment->p_memsz);
1743 printf ("%c%c%c ",
1744 (segment->p_flags & PF_R ? 'R' : ' '),
1745 (segment->p_flags & PF_W ? 'W' : ' '),
1746 (segment->p_flags & PF_X ? 'E' : ' '));
1747 printf ("%#lx", (unsigned long) segment->p_align);
1748 }
1749
1750 switch (segment->p_type)
1751 {
1752 case PT_LOAD:
1753 if (loadaddr == -1)
1754 loadaddr = (segment->p_vaddr & 0xfffff000)
1755 - (segment->p_offset & 0xfffff000);
1756 break;
1757
1758 case PT_DYNAMIC:
1759 if (dynamic_addr)
1760 error (_("more than one dynamic segment\n"));
1761
1762 dynamic_addr = segment->p_offset;
1763 dynamic_size = segment->p_filesz;
1764 break;
1765
1766 case PT_INTERP:
1767 if (fseek (file, segment->p_offset, SEEK_SET))
1768 error (_("Unable to find program interpreter name\n"));
1769 else
1770 {
1771 program_interpreter[0] = 0;
1772 fscanf (file, "%63s", program_interpreter);
1773
1774 if (do_segments)
1775 printf (_("\n [Requesting program interpreter: %s]"),
1776 program_interpreter);
1777 }
1778 break;
1779 }
1780
1781 if (do_segments)
1782 putc ('\n', stdout);
1783 }
1784
1785 if (loadaddr == -1)
1786 {
1787 /* Very strange. */
1788 loadaddr = 0;
1789 }
1790
1791 if (do_segments && section_headers != NULL)
1792 {
1793 printf (_("\n Section to Segment mapping:\n"));
1794 printf (_(" Segment Sections...\n"));
1795
1796 assert (string_table != NULL);
1797
1798 for (i = 0; i < elf_header.e_phnum; i++)
1799 {
1800 int j;
1801 Elf32_Internal_Shdr * section;
1802
1803 segment = program_headers + i;
1804 section = section_headers;
1805
1806 printf (" %2.2d ", i);
1807
1808 for (j = 0; j < elf_header.e_shnum; j++, section ++)
1809 {
1810 if (section->sh_size > 0
1811 /* Compare allocated sections by VMA, unallocated
1812 sections by file offset. */
1813 && (section->sh_flags & SHF_ALLOC
1814 ? (section->sh_addr >= segment->p_vaddr
1815 && section->sh_addr + section->sh_size
1816 <= segment->p_vaddr + segment->p_memsz)
1817 : (section->sh_offset >= segment->p_offset
1818 && (section->sh_offset + section->sh_size
1819 <= segment->p_offset + segment->p_filesz))))
1820 printf ("%s ", SECTION_NAME (section));
1821 }
1822
1823 putc ('\n',stdout);
1824 }
1825 }
1826
1827 free (program_headers);
1828
1829 return 1;
1830 }
1831
1832
1833 static int
1834 get_section_headers (file)
1835 FILE * file;
1836 {
1837 Elf32_External_Shdr * shdrs;
1838 Elf32_Internal_Shdr * internal;
1839 unsigned int i;
1840
1841 GET_DATA_ALLOC (elf_header.e_shoff,
1842 elf_header.e_shentsize * elf_header.e_shnum,
1843 shdrs, Elf32_External_Shdr *, "section headers");
1844
1845 section_headers = (Elf32_Internal_Shdr *) malloc
1846 (elf_header.e_shnum * sizeof (Elf32_Internal_Shdr));
1847
1848 if (section_headers == NULL)
1849 {
1850 error (_("Out of memory\n"));
1851 return 0;
1852 }
1853
1854 for (i = 0, internal = section_headers;
1855 i < elf_header.e_shnum;
1856 i ++, internal ++)
1857 {
1858 internal->sh_name = BYTE_GET (shdrs[i].sh_name);
1859 internal->sh_type = BYTE_GET (shdrs[i].sh_type);
1860 internal->sh_flags = BYTE_GET (shdrs[i].sh_flags);
1861 internal->sh_addr = BYTE_GET (shdrs[i].sh_addr);
1862 internal->sh_offset = BYTE_GET (shdrs[i].sh_offset);
1863 internal->sh_size = BYTE_GET (shdrs[i].sh_size);
1864 internal->sh_link = BYTE_GET (shdrs[i].sh_link);
1865 internal->sh_info = BYTE_GET (shdrs[i].sh_info);
1866 internal->sh_addralign = BYTE_GET (shdrs[i].sh_addralign);
1867 internal->sh_entsize = BYTE_GET (shdrs[i].sh_entsize);
1868 }
1869
1870 free (shdrs);
1871
1872 return 1;
1873 }
1874
1875 static Elf_Internal_Sym *
1876 get_elf_symbols (file, offset, number)
1877 FILE * file;
1878 unsigned long offset;
1879 unsigned long number;
1880 {
1881 Elf32_External_Sym * esyms;
1882 Elf_Internal_Sym * isyms;
1883 Elf_Internal_Sym * psym;
1884 unsigned int j;
1885
1886 GET_DATA_ALLOC (offset, number * sizeof (Elf32_External_Sym),
1887 esyms, Elf32_External_Sym *, "symbols");
1888
1889 isyms = (Elf_Internal_Sym *) malloc (number * sizeof (Elf_Internal_Sym));
1890
1891 if (isyms == NULL)
1892 {
1893 error (_("Out of memory\n"));
1894 free (esyms);
1895
1896 return NULL;
1897 }
1898
1899 for (j = 0, psym = isyms;
1900 j < number;
1901 j ++, psym ++)
1902 {
1903 psym->st_name = BYTE_GET (esyms[j].st_name);
1904 psym->st_value = BYTE_GET (esyms[j].st_value);
1905 psym->st_size = BYTE_GET (esyms[j].st_size);
1906 psym->st_shndx = BYTE_GET (esyms[j].st_shndx);
1907 psym->st_info = BYTE_GET (esyms[j].st_info);
1908 psym->st_other = BYTE_GET (esyms[j].st_other);
1909 }
1910
1911 free (esyms);
1912
1913 return isyms;
1914 }
1915
1916 static int
1917 process_section_headers (file)
1918 FILE * file;
1919 {
1920 Elf32_Internal_Shdr * section;
1921 int i;
1922
1923 section_headers = NULL;
1924
1925 if (elf_header.e_shnum == 0)
1926 {
1927 if (do_sections)
1928 printf (_("\nThere are no sections in this file.\n"));
1929
1930 return 1;
1931 }
1932
1933 if (do_sections && !do_header)
1934 printf (_("There are %d section headers, starting at offset %x:\n"),
1935 elf_header.e_shnum, elf_header.e_shoff);
1936
1937 if (! get_section_headers (file))
1938 return 0;
1939
1940 /* Read in the string table, so that we have names to display. */
1941 section = section_headers + elf_header.e_shstrndx;
1942
1943 if (section->sh_size != 0)
1944 {
1945 unsigned long string_table_offset;
1946
1947 string_table_offset = section->sh_offset;
1948
1949 GET_DATA_ALLOC (section->sh_offset, section->sh_size,
1950 string_table, char *, "string table");
1951 }
1952
1953 /* Scan the sections for the dynamic symbol table
1954 and dynamic string table. */
1955 dynamic_symbols = NULL;
1956 dynamic_strings = NULL;
1957 for (i = 0, section = section_headers;
1958 i < elf_header.e_shnum;
1959 i ++, section ++)
1960 {
1961 if (section->sh_type == SHT_DYNSYM)
1962 {
1963 if (dynamic_symbols != NULL)
1964 {
1965 error (_("File contains multiple dynamic symbol tables\n"));
1966 continue;
1967 }
1968
1969 dynamic_symbols = get_elf_symbols
1970 (file, section->sh_offset, section->sh_size / section->sh_entsize);
1971 }
1972 else if (section->sh_type == SHT_STRTAB
1973 && strcmp (SECTION_NAME (section), ".dynstr") == 0)
1974 {
1975 if (dynamic_strings != NULL)
1976 {
1977 error (_("File contains multiple dynamic string tables\n"));
1978 continue;
1979 }
1980
1981 GET_DATA_ALLOC (section->sh_offset, section->sh_size,
1982 dynamic_strings, char *, "dynamic strings");
1983 }
1984 }
1985
1986 if (! do_sections)
1987 return 1;
1988
1989 printf (_("\nSection Header%s:\n"), elf_header.e_shnum > 1 ? "s" : "");
1990 printf
1991 (_(" [Nr] Name Type Addr Off Size ES Flg Lk Inf Al\n"));
1992
1993 for (i = 0, section = section_headers;
1994 i < elf_header.e_shnum;
1995 i ++, section ++)
1996 {
1997 printf (" [%2d] %-17.17s %-15.15s ",
1998 i,
1999 SECTION_NAME (section),
2000 get_section_type_name (section->sh_type));
2001
2002 printf ( "%8.8lx %6.6lx %6.6lx %2.2lx",
2003 (unsigned long) section->sh_addr,
2004 (unsigned long) section->sh_offset,
2005 (unsigned long) section->sh_size,
2006 (unsigned long) section->sh_entsize);
2007
2008 printf (" %c%c%c %2ld %3lx %ld \n",
2009 (section->sh_flags & SHF_WRITE ? 'W' : ' '),
2010 (section->sh_flags & SHF_ALLOC ? 'A' : ' '),
2011 (section->sh_flags & SHF_EXECINSTR ? 'X' : ' '),
2012 (unsigned long) section->sh_link,
2013 (unsigned long) section->sh_info,
2014 (unsigned long) section->sh_addralign);
2015 }
2016
2017 return 1;
2018 }
2019
2020 /* Process the reloc section. */
2021 static int
2022 process_relocs (file)
2023 FILE * file;
2024 {
2025 unsigned long rel_size;
2026 unsigned long rel_offset;
2027
2028
2029 if (!do_reloc)
2030 return 1;
2031
2032 if (do_using_dynamic)
2033 {
2034 rel_size = 0;
2035 rel_offset = 0;
2036
2037 if (dynamic_info [DT_REL])
2038 {
2039 rel_offset = dynamic_info [DT_REL];
2040 rel_size = dynamic_info [DT_RELSZ];
2041 }
2042 else if (dynamic_info [DT_RELA])
2043 {
2044 rel_offset = dynamic_info [DT_RELA];
2045 rel_size = dynamic_info [DT_RELASZ];
2046 }
2047 else if (dynamic_info [DT_JMPREL])
2048 {
2049 rel_offset = dynamic_info [DT_JMPREL];
2050 rel_size = dynamic_info [DT_PLTRELSZ];
2051 }
2052
2053 if (rel_size)
2054 {
2055 printf
2056 (_("\nRelocation section at offset 0x%x contains %d bytes:\n"),
2057 rel_offset, rel_size);
2058
2059 dump_relocations (file, rel_offset - loadaddr, rel_size,
2060 dynamic_symbols, dynamic_strings);
2061 }
2062 else
2063 printf (_("\nThere are no dynamic relocations in this file.\n"));
2064 }
2065 else
2066 {
2067 Elf32_Internal_Shdr * section;
2068 unsigned long i;
2069 int found = 0;
2070
2071 assert (string_table != NULL);
2072
2073 for (i = 0, section = section_headers;
2074 i < elf_header.e_shnum;
2075 i++, section ++)
2076 {
2077 if ( section->sh_type != SHT_RELA
2078 && section->sh_type != SHT_REL)
2079 continue;
2080
2081 rel_offset = section->sh_offset;
2082 rel_size = section->sh_size;
2083
2084 if (rel_size)
2085 {
2086 Elf32_Internal_Shdr * strsec;
2087 Elf32_Internal_Shdr * symsec;
2088 Elf_Internal_Sym * symtab;
2089 char * strtab;
2090
2091 printf
2092 (_("\nRelocation section '%s' at offset 0x%x contains %d entries:\n"),
2093 SECTION_NAME (section), rel_offset,
2094 rel_size / section->sh_entsize);
2095
2096 symsec = section_headers + section->sh_link;
2097
2098 symtab = get_elf_symbols (file, symsec->sh_offset,
2099 symsec->sh_size / symsec->sh_entsize);
2100
2101 if (symtab == NULL)
2102 continue;
2103
2104 strsec = section_headers + symsec->sh_link;
2105
2106 GET_DATA_ALLOC (strsec->sh_offset, strsec->sh_size, strtab,
2107 char *, "string table");
2108
2109 dump_relocations (file, rel_offset, rel_size, symtab, strtab);
2110
2111 free (strtab);
2112 free (symtab);
2113
2114 found = 1;
2115 }
2116 }
2117
2118 if (! found)
2119 printf (_("\nThere are no relocations in this file.\n"));
2120 }
2121
2122 return 1;
2123 }
2124
2125
2126 static void
2127 dynamic_segment_mips_val (entry)
2128 Elf_Internal_Dyn *entry;
2129 {
2130 switch (entry->d_tag)
2131 {
2132 case DT_MIPS_LOCAL_GOTNO:
2133 case DT_MIPS_CONFLICTNO:
2134 case DT_MIPS_LIBLISTNO:
2135 case DT_MIPS_SYMTABNO:
2136 case DT_MIPS_UNREFEXTNO:
2137 case DT_MIPS_HIPAGENO:
2138 case DT_MIPS_DELTA_CLASS_NO:
2139 case DT_MIPS_DELTA_INSTANCE_NO:
2140 case DT_MIPS_DELTA_RELOC_NO:
2141 case DT_MIPS_DELTA_SYM_NO:
2142 case DT_MIPS_DELTA_CLASSSYM_NO:
2143 if (do_dynamic)
2144 printf ("%#ld\n", (long) entry->d_un.d_ptr);
2145 break;
2146 default:
2147 if (do_dynamic)
2148 printf ("%#lx\n", (long) entry->d_un.d_ptr);
2149 }
2150 }
2151
2152 /* Parse the dynamic segment */
2153 static int
2154 process_dynamic_segment (file)
2155 FILE * file;
2156 {
2157 Elf_Internal_Dyn * entry;
2158 Elf32_External_Dyn * edyn;
2159 unsigned int i;
2160
2161 if (dynamic_size == 0)
2162 {
2163 if (do_dynamic)
2164 printf (_("\nThere is no dynamic segment in this file.\n"));
2165
2166 return 1;
2167 }
2168
2169 GET_DATA_ALLOC (dynamic_addr, dynamic_size,
2170 edyn, Elf32_External_Dyn *, "dynamic segment");
2171
2172 /* SGI's ELF has more than one section in the DYNAMIC segment. Determine
2173 how large .dynamic is now. We can do this even before the byte
2174 swapping since the DT_NULL tag is recognizable. */
2175 dynamic_size = 0;
2176 while (*(Elf32_Word *) edyn[dynamic_size++].d_tag != DT_NULL)
2177 ;
2178
2179 dynamic_segment = (Elf_Internal_Dyn *)
2180 malloc (dynamic_size * sizeof (Elf_Internal_Dyn));
2181
2182 if (dynamic_segment == NULL)
2183 {
2184 error (_("Out of memory\n"));
2185 free (edyn);
2186 return 0;
2187 }
2188
2189 for (i = 0, entry = dynamic_segment;
2190 i < dynamic_size;
2191 i ++, entry ++)
2192 {
2193 entry->d_tag = BYTE_GET (edyn [i].d_tag);
2194 entry->d_un.d_val = BYTE_GET (edyn [i].d_un.d_val);
2195 }
2196
2197 free (edyn);
2198
2199 /* Find the appropriate symbol table. */
2200 if (dynamic_symbols == NULL)
2201 {
2202 for (i = 0, entry = dynamic_segment;
2203 i < dynamic_size;
2204 ++i, ++ entry)
2205 {
2206 unsigned long offset;
2207 long num_syms;
2208
2209 if (entry->d_tag != DT_SYMTAB)
2210 continue;
2211
2212 dynamic_info [DT_SYMTAB] = entry->d_un.d_val;
2213
2214 /* Since we do not know how big the symbol table is,
2215 we default to reading in the entire file (!) and
2216 processing that. This is overkill, I know, but it
2217 should work. */
2218
2219 offset = entry->d_un.d_val - loadaddr;
2220
2221 if (fseek (file, 0, SEEK_END))
2222 error (_("Unable to seek to end of file!"));
2223
2224 num_syms = (ftell (file) - offset) / sizeof (Elf32_External_Sym);
2225
2226 if (num_syms < 1)
2227 {
2228 error (_("Unable to determine the number of symbols to load\n"));
2229 continue;
2230 }
2231
2232 dynamic_symbols = get_elf_symbols (file, offset, num_syms);
2233 }
2234 }
2235
2236 /* Similarly find a string table. */
2237 if (dynamic_strings == NULL)
2238 {
2239 for (i = 0, entry = dynamic_segment;
2240 i < dynamic_size;
2241 ++i, ++ entry)
2242 {
2243 unsigned long offset;
2244 long str_tab_len;
2245
2246 if (entry->d_tag != DT_STRTAB)
2247 continue;
2248
2249 dynamic_info [DT_STRTAB] = entry->d_un.d_val;
2250
2251 /* Since we do not know how big the string table is,
2252 we default to reading in the entire file (!) and
2253 processing that. This is overkill, I know, but it
2254 should work. */
2255
2256 offset = entry->d_un.d_val - loadaddr;
2257 if (fseek (file, 0, SEEK_END))
2258 error (_("Unable to seek to end of file\n"));
2259 str_tab_len = ftell (file) - offset;
2260
2261 if (str_tab_len < 1)
2262 {
2263 error
2264 (_("Unable to determine the length of the dynamic string table\n"));
2265 continue;
2266 }
2267
2268 GET_DATA_ALLOC (offset, str_tab_len, dynamic_strings, char *,
2269 "dynamic string table");
2270
2271 break;
2272 }
2273 }
2274
2275 if (do_dynamic && dynamic_addr)
2276 printf (_("\nDynamic segment at offset 0x%x contains %d entries:\n"),
2277 dynamic_addr, dynamic_size);
2278 if (do_dynamic)
2279 printf (_(" Tag Type Name/Value\n"));
2280
2281 for (i = 0, entry = dynamic_segment;
2282 i < dynamic_size;
2283 i++, entry ++)
2284 {
2285 if (do_dynamic)
2286 printf (_(" 0x%-8.8lx (%s)%*s"),
2287 (unsigned long) entry->d_tag,
2288 get_dynamic_type (entry->d_tag),
2289 27 - strlen (get_dynamic_type (entry->d_tag)),
2290 " ");
2291
2292 switch (entry->d_tag)
2293 {
2294 case DT_AUXILIARY:
2295 case DT_FILTER:
2296 if (do_dynamic)
2297 {
2298 if (entry->d_tag == DT_AUXILIARY)
2299 printf (_("Auxiliary library"));
2300 else
2301 printf (_("Filter library"));
2302
2303 if (dynamic_strings)
2304 printf (": [%s]\n", dynamic_strings + entry->d_un.d_val);
2305 else
2306 printf (": %#lx\n", (long) entry->d_un.d_val);
2307 }
2308 break;
2309
2310 case DT_NULL :
2311 case DT_NEEDED :
2312 case DT_PLTRELSZ:
2313 case DT_PLTGOT :
2314 case DT_HASH :
2315 case DT_STRTAB :
2316 case DT_SYMTAB :
2317 case DT_RELA :
2318 case DT_RELASZ :
2319 case DT_RELAENT :
2320 case DT_STRSZ :
2321 case DT_SYMENT :
2322 case DT_INIT :
2323 case DT_FINI :
2324 case DT_SONAME :
2325 case DT_RPATH :
2326 case DT_SYMBOLIC:
2327 case DT_REL :
2328 case DT_RELSZ :
2329 case DT_RELENT :
2330 case DT_PLTREL :
2331 case DT_DEBUG :
2332 case DT_TEXTREL :
2333 case DT_JMPREL :
2334 dynamic_info [entry->d_tag] = entry->d_un.d_val;
2335
2336 if (do_dynamic)
2337 {
2338 char * name;
2339
2340 if (dynamic_strings == NULL)
2341 name = NULL;
2342 else
2343 name = dynamic_strings + entry->d_un.d_val;
2344
2345 if (name)
2346 {
2347 switch (entry->d_tag)
2348 {
2349 case DT_NEEDED:
2350 printf (_("Shared library: [%s]"), name);
2351
2352 if (strcmp (name, program_interpreter))
2353 printf ("\n");
2354 else
2355 printf (_(" program interpreter\n"));
2356 break;
2357
2358 case DT_SONAME:
2359 printf (_("Library soname: [%s]\n"), name);
2360 break;
2361
2362 case DT_RPATH:
2363 printf (_("Library rpath: [%s]\n"), name);
2364 break;
2365
2366 default:
2367 printf ("%#lx\n", (long) entry->d_un.d_val);
2368 }
2369 }
2370 else
2371 printf ("%#lx\n", (long) entry->d_un.d_val);
2372 }
2373 break;
2374
2375 default:
2376 if ((entry->d_tag >= DT_VERSYM) && (entry->d_tag <= DT_VERNEEDNUM))
2377 {
2378 version_info [DT_VERSIONTAGIDX (entry->d_tag)] =
2379 entry->d_un.d_val;
2380
2381 if (do_dynamic)
2382 printf ("%#lx\n", (long) entry->d_un.d_ptr);
2383 }
2384 else
2385 switch (elf_header.e_machine)
2386 {
2387 case EM_MIPS:
2388 case EM_MIPS_RS4_BE:
2389 dynamic_segment_mips_val (entry);
2390 break;
2391 default:
2392 if (do_dynamic)
2393 printf ("%#lx\n", (long) entry->d_un.d_ptr);
2394 }
2395 break;
2396 }
2397 }
2398
2399 return 1;
2400 }
2401
2402 static char *
2403 get_ver_flags (flags)
2404 unsigned int flags;
2405 {
2406 static char buff [32];
2407
2408 buff[0] = 0;
2409
2410 if (flags == 0)
2411 return _("none");
2412
2413 if (flags & VER_FLG_BASE)
2414 strcat (buff, "BASE ");
2415
2416 if (flags & VER_FLG_WEAK)
2417 {
2418 if (flags & VER_FLG_BASE)
2419 strcat (buff, "| ");
2420
2421 strcat (buff, "WEAK ");
2422 }
2423
2424 if (flags & ~(VER_FLG_BASE | VER_FLG_WEAK))
2425 strcat (buff, "| <unknown>");
2426
2427 return buff;
2428 }
2429
2430 /* Display the contents of the version sections. */
2431 static int
2432 process_version_sections (file)
2433 FILE * file;
2434 {
2435 Elf32_Internal_Shdr * section;
2436 unsigned i;
2437 int found = 0;
2438
2439 if (! do_version)
2440 return 1;
2441
2442 for (i = 0, section = section_headers;
2443 i < elf_header.e_shnum;
2444 i++, section ++)
2445 {
2446 switch (section->sh_type)
2447 {
2448 case SHT_GNU_verdef:
2449 {
2450 Elf_External_Verdef * edefs;
2451 unsigned int idx;
2452 unsigned int cnt;
2453
2454 found = 1;
2455
2456 printf
2457 (_("\nVersion definition section '%s' contains %d entries:\n"),
2458 SECTION_NAME (section), section->sh_info);
2459
2460 printf (_(" Addr: %#08x Offset: %#08x Link: %x (%s)\n"),
2461 section->sh_addr, section->sh_offset, section->sh_link,
2462 SECTION_NAME (section_headers + section->sh_link));
2463
2464 GET_DATA_ALLOC (section->sh_offset, section->sh_size,
2465 edefs, Elf_External_Verdef *,
2466 "version definition section");
2467
2468 for (idx = cnt = 0; cnt < section->sh_info; ++ cnt)
2469 {
2470 char * vstart;
2471 Elf_External_Verdef * edef;
2472 Elf_Internal_Verdef ent;
2473 Elf_External_Verdaux * eaux;
2474 Elf_Internal_Verdaux aux;
2475 int j;
2476 int isum;
2477
2478 vstart = ((char *) edefs) + idx;
2479
2480 edef = (Elf_External_Verdef *) vstart;
2481
2482 ent.vd_version = BYTE_GET (edef->vd_version);
2483 ent.vd_flags = BYTE_GET (edef->vd_flags);
2484 ent.vd_ndx = BYTE_GET (edef->vd_ndx);
2485 ent.vd_cnt = BYTE_GET (edef->vd_cnt);
2486 ent.vd_hash = BYTE_GET (edef->vd_hash);
2487 ent.vd_aux = BYTE_GET (edef->vd_aux);
2488 ent.vd_next = BYTE_GET (edef->vd_next);
2489
2490 printf (_(" %#06x: Rev: %d Flags: %s"),
2491 idx, ent.vd_version, get_ver_flags (ent.vd_flags));
2492
2493 printf (_(" Index: %ld Cnt: %ld "), ent.vd_ndx, ent.vd_cnt);
2494
2495 vstart += ent.vd_aux;
2496
2497 eaux = (Elf_External_Verdaux *) vstart;
2498
2499 aux.vda_name = BYTE_GET (eaux->vda_name);
2500 aux.vda_next = BYTE_GET (eaux->vda_next);
2501
2502 if (dynamic_strings)
2503 printf (_("Name: %s\n"), dynamic_strings + aux.vda_name);
2504 else
2505 printf (_("Name index: %ld\n"), aux.vda_name);
2506
2507 isum = idx + ent.vd_aux;
2508
2509 for (j = 1; j < ent.vd_cnt; j ++)
2510 {
2511 isum += aux.vda_next;
2512 vstart += aux.vda_next;
2513
2514 eaux = (Elf_External_Verdaux *) vstart;
2515
2516 aux.vda_name = BYTE_GET (eaux->vda_name);
2517 aux.vda_next = BYTE_GET (eaux->vda_next);
2518
2519 if (dynamic_strings)
2520 printf (_(" %#06x: Parent %d: %s\n"),
2521 isum, j, dynamic_strings + aux.vda_name);
2522 else
2523 printf (_(" %#06x: Parent %d, name index: %ld\n"),
2524 isum, j, aux.vda_name);
2525 }
2526
2527 idx += ent.vd_next;
2528 }
2529
2530 free (edefs);
2531 }
2532 break;
2533
2534 case SHT_GNU_verneed:
2535 {
2536 Elf_External_Verneed * eneed;
2537 unsigned int idx;
2538 unsigned int cnt;
2539
2540 found = 1;
2541
2542 printf (_("\nVersion needs section '%s' contains %d entries:\n"),
2543 SECTION_NAME (section), section->sh_info);
2544
2545 printf
2546 (_(" Addr: %#08x Offset: %#08x Link to section: %d (%s)\n"),
2547 section->sh_addr, section->sh_offset, section->sh_link,
2548 SECTION_NAME (section_headers + section->sh_link));
2549
2550 GET_DATA_ALLOC (section->sh_offset, section->sh_size,
2551 eneed, Elf_External_Verneed *,
2552 "version need section");
2553
2554 for (idx = cnt = 0; cnt < section->sh_info; ++cnt)
2555 {
2556 Elf_External_Verneed * entry;
2557 Elf_Internal_Verneed ent;
2558 int j;
2559 int isum;
2560 char * vstart;
2561
2562 vstart = ((char *) eneed) + idx;
2563
2564 entry = (Elf_External_Verneed *) vstart;
2565
2566 ent.vn_version = BYTE_GET (entry->vn_version);
2567 ent.vn_cnt = BYTE_GET (entry->vn_cnt);
2568 ent.vn_file = BYTE_GET (entry->vn_file);
2569 ent.vn_aux = BYTE_GET (entry->vn_aux);
2570 ent.vn_next = BYTE_GET (entry->vn_next);
2571
2572 printf (_(" %#06x: Version: %d"), idx, ent.vn_version);
2573
2574 if (dynamic_strings)
2575 printf (_(" File: %s"), dynamic_strings + ent.vn_file);
2576 else
2577 printf (_(" File: %lx"), ent.vn_file);
2578
2579 printf (_(" Cnt: %d\n"), ent.vn_cnt);
2580
2581 vstart += ent.vn_aux;
2582
2583 for (j = 0, isum = idx + ent.vn_aux; j < ent.vn_cnt; ++j)
2584 {
2585 Elf_External_Vernaux * eaux;
2586 Elf_Internal_Vernaux aux;
2587
2588 eaux = (Elf_External_Vernaux *) vstart;
2589
2590 aux.vna_hash = BYTE_GET (eaux->vna_hash);
2591 aux.vna_flags = BYTE_GET (eaux->vna_flags);
2592 aux.vna_other = BYTE_GET (eaux->vna_other);
2593 aux.vna_name = BYTE_GET (eaux->vna_name);
2594 aux.vna_next = BYTE_GET (eaux->vna_next);
2595
2596 if (dynamic_strings)
2597 printf (_(" %#06x: Name: %s"),
2598 isum, dynamic_strings + aux.vna_name);
2599 else
2600 printf (_(" %#06x: Name index: %lx"),
2601 isum, aux.vna_name);
2602
2603 printf (_(" Flags: %s Version: %d\n"),
2604 get_ver_flags (aux.vna_flags), aux.vna_other);
2605
2606 isum += aux.vna_next;
2607 vstart += aux.vna_next;
2608 }
2609
2610 idx += ent.vn_next;
2611 }
2612
2613 free (eneed);
2614 }
2615 break;
2616
2617 case SHT_GNU_versym:
2618 {
2619 Elf32_Internal_Shdr * link_section;
2620 int total;
2621 int cnt;
2622 unsigned char * edata;
2623 unsigned short * data;
2624 char * strtab;
2625 Elf_Internal_Sym * symbols;
2626 Elf32_Internal_Shdr * string_sec;
2627
2628 link_section = section_headers + section->sh_link;
2629 total = section->sh_size / section->sh_entsize;
2630
2631 found = 1;
2632
2633 symbols = get_elf_symbols
2634 (file, link_section->sh_offset,
2635 link_section->sh_size / link_section->sh_entsize);
2636
2637 string_sec = section_headers + link_section->sh_link;
2638
2639 GET_DATA_ALLOC (string_sec->sh_offset, string_sec->sh_size,
2640 strtab, char *, "version string table");
2641
2642 printf (_("\nVersion symbols section '%s' contains %d entries:\n"),
2643 SECTION_NAME (section), total);
2644
2645 printf (_(" Addr: %#08x Offset: %#08x Link: %x (%s)\n"),
2646 section->sh_addr, section->sh_offset, section->sh_link,
2647 SECTION_NAME (link_section));
2648
2649 GET_DATA_ALLOC (version_info [DT_VERSIONTAGIDX (DT_VERSYM)]
2650 - loadaddr,
2651 total * sizeof (short), edata,
2652 char *, "version symbol data");
2653
2654 data = (unsigned short *) malloc (total * sizeof (short));
2655
2656 for (cnt = total; cnt --;)
2657 data [cnt] = byte_get (edata + cnt * sizeof (short), sizeof (short));
2658
2659 free (edata);
2660
2661 for (cnt = 0; cnt < total; cnt += 4)
2662 {
2663 int j, nn;
2664
2665 printf (" %03x:", cnt);
2666
2667 for (j = 0; (j < 4) && (cnt + j) < total; ++j)
2668 switch (data [cnt + j])
2669 {
2670 case 0:
2671 fputs (_(" 0 (*local*) "), stdout);
2672 break;
2673
2674 case 1:
2675 fputs (_(" 1 (*global*) "), stdout);
2676 break;
2677
2678 default:
2679 nn = printf ("%4x%c", data [cnt + j] & 0x7fff,
2680 data [cnt + j] & 0x8000 ? 'h' : ' ');
2681
2682 if (symbols [cnt + j].st_shndx < SHN_LORESERVE
2683 && section_headers[symbols [cnt + j].st_shndx].sh_type
2684 == SHT_NOBITS)
2685 {
2686 /* We must test both. */
2687 Elf_Internal_Verneed ivn;
2688 unsigned long offset;
2689
2690 offset = version_info [DT_VERSIONTAGIDX (DT_VERNEED)]
2691 - loadaddr;
2692
2693 do
2694 {
2695 Elf_External_Verneed evn;
2696 Elf_External_Vernaux evna;
2697 Elf_Internal_Vernaux ivna;
2698 unsigned long vna_off;
2699
2700 GET_DATA (offset, evn, "version need");
2701
2702 ivn.vn_aux = BYTE_GET (evn.vn_aux);
2703 ivn.vn_next = BYTE_GET (evn.vn_next);
2704
2705 vna_off = offset + ivn.vn_aux;
2706
2707 do
2708 {
2709 GET_DATA (vna_off, evna,
2710 "version need aux (1)");
2711
2712 ivna.vna_next = BYTE_GET (evna.vna_next);
2713 ivna.vna_other = BYTE_GET (evna.vna_other);
2714
2715 vna_off += ivna.vna_next;
2716 }
2717 while (ivna.vna_other != data [cnt + j]
2718 && ivna.vna_next != 0);
2719
2720 if (ivna.vna_other == data [cnt + j])
2721 {
2722 ivna.vna_name = BYTE_GET (evna.vna_name);
2723
2724 nn += printf ("(%s%-*s",
2725 strtab + ivna.vna_name,
2726 12 - strlen (strtab
2727 + ivna.vna_name),
2728 ")");
2729 break;
2730 }
2731 else if (ivn.vn_next == 0)
2732 {
2733 if (data [cnt + j] != 0x8001)
2734 {
2735 Elf_Internal_Verdef ivd;
2736 Elf_External_Verdef evd;
2737
2738 offset = version_info
2739 [DT_VERSIONTAGIDX (DT_VERDEF)]
2740 - loadaddr;
2741
2742 do
2743 {
2744 GET_DATA (offset, evd,
2745 "version definition");
2746
2747 ivd.vd_next = BYTE_GET (evd.vd_next);
2748 ivd.vd_ndx = BYTE_GET (evd.vd_ndx);
2749
2750 offset += ivd.vd_next;
2751 }
2752 while (ivd.vd_ndx
2753 != (data [cnt + j] & 0x7fff)
2754 && ivd.vd_next != 0);
2755
2756 if (ivd.vd_ndx
2757 == (data [cnt + j] & 0x7fff))
2758 {
2759 Elf_External_Verdaux evda;
2760 Elf_Internal_Verdaux ivda;
2761
2762 ivd.vd_aux = BYTE_GET (evd.vd_aux);
2763
2764 GET_DATA (offset + ivd.vd_aux, evda,
2765 "version definition aux");
2766
2767 ivda.vda_name =
2768 BYTE_GET (evda.vda_name);
2769
2770 nn +=
2771 printf ("(%s%-*s",
2772 strtab + ivda.vda_name,
2773 12
2774 - strlen (strtab
2775 + ivda.vda_name),
2776 ")");
2777 }
2778 }
2779
2780 break;
2781 }
2782 else
2783 offset += ivn.vn_next;
2784 }
2785 while (ivn.vn_next);
2786 }
2787 else if (symbols [cnt + j].st_shndx == SHN_UNDEF)
2788 {
2789 Elf_Internal_Verneed ivn;
2790 unsigned long offset;
2791
2792 offset = version_info [DT_VERSIONTAGIDX (DT_VERNEED)]
2793 - loadaddr;
2794
2795 do
2796 {
2797 Elf_Internal_Vernaux ivna;
2798 Elf_External_Verneed evn;
2799 Elf_External_Vernaux evna;
2800 unsigned long a_off;
2801
2802 GET_DATA (offset, evn, "version need");
2803
2804 ivn.vn_aux = BYTE_GET (evn.vn_aux);
2805 ivn.vn_next = BYTE_GET (evn.vn_next);
2806
2807 a_off = offset + ivn.vn_aux;
2808
2809 do
2810 {
2811 GET_DATA (a_off, evna,
2812 "version need aux (2)");
2813
2814 ivna.vna_next = BYTE_GET (evna.vna_next);
2815 ivna.vna_other = BYTE_GET (evna.vna_other);
2816
2817 a_off += ivna.vna_next;
2818 }
2819 while (ivna.vna_other != data [cnt + j]
2820 && ivna.vna_next != 0);
2821
2822 if (ivna.vna_other == data [cnt + j])
2823 {
2824 ivna.vna_name = BYTE_GET (evna.vna_name);
2825
2826 nn += printf ("(%s%-*s",
2827 strtab + ivna.vna_name,
2828 12 - strlen (strtab
2829 + ivna.vna_name),
2830 ")");
2831 break;
2832 }
2833
2834 offset += ivn.vn_next;
2835 }
2836 while (ivn.vn_next);
2837 }
2838 else if (data [cnt + j] != 0x8001)
2839 {
2840 Elf_Internal_Verdef ivd;
2841 Elf_External_Verdef evd;
2842 unsigned long offset;
2843
2844 offset = version_info
2845 [DT_VERSIONTAGIDX (DT_VERDEF)] - loadaddr;
2846
2847 do
2848 {
2849 GET_DATA (offset, evd, "version def");
2850
2851 ivd.vd_next = BYTE_GET (evd.vd_next);
2852 ivd.vd_ndx = BYTE_GET (evd.vd_ndx);
2853
2854 offset += ivd.vd_next;
2855 }
2856 while (ivd.vd_ndx != (data [cnt + j] & 0x7fff)
2857 && ivd.vd_next != 0);
2858
2859 if (ivd.vd_ndx == (data [cnt + j] & 0x7fff))
2860 {
2861 Elf_External_Verdaux evda;
2862 Elf_Internal_Verdaux ivda;
2863
2864 ivd.vd_aux = BYTE_GET (evd.vd_aux);
2865
2866 GET_DATA (offset - ivd.vd_next + ivd.vd_aux,
2867 evda, "version def aux");
2868
2869 ivda.vda_name = BYTE_GET (evda.vda_name);
2870
2871 nn += printf ("(%s%-*s",
2872 strtab + ivda.vda_name,
2873 12 - strlen (strtab
2874 + ivda.vda_name),
2875 ")");
2876 }
2877 }
2878
2879 if (nn < 18)
2880 printf ("%*c", 18 - nn, ' ');
2881 }
2882
2883 putchar ('\n');
2884 }
2885
2886 free (data);
2887 free (strtab);
2888 free (symbols);
2889 }
2890 break;
2891
2892 default:
2893 break;
2894 }
2895 }
2896
2897 if (! found)
2898 printf (_("\nNo version information found in this file.\n"));
2899
2900 return 1;
2901 }
2902
2903 static char *
2904 get_symbol_binding (binding)
2905 unsigned int binding;
2906 {
2907 static char buff [32];
2908
2909 switch (binding)
2910 {
2911 case STB_LOCAL: return _("LOCAL");
2912 case STB_GLOBAL: return _("GLOBAL");
2913 case STB_WEAK: return _("WEAK");
2914 default:
2915 if (binding >= STB_LOPROC && binding <= STB_HIPROC)
2916 sprintf (buff, _("<processor specific>: %d"), binding);
2917 else
2918 sprintf (buff, _("<unknown>: %d"), binding);
2919 return buff;
2920 }
2921 }
2922
2923 static char *
2924 get_symbol_type (type)
2925 unsigned int type;
2926 {
2927 static char buff [32];
2928
2929 switch (type)
2930 {
2931 case STT_NOTYPE: return _("NOTYPE");
2932 case STT_OBJECT: return _("OBJECT");
2933 case STT_FUNC: return _("FUNC");
2934 case STT_SECTION: return _("SECTION");
2935 case STT_FILE: return _("FILE");
2936 default:
2937 if (type >= STT_LOPROC && type <= STT_HIPROC)
2938 sprintf (buff, _("<processor specific>: %d"), type);
2939 else
2940 sprintf (buff, _("<unknown>: %d"), type);
2941 return buff;
2942 }
2943 }
2944
2945 static char *
2946 get_symbol_index_type (type)
2947 unsigned int type;
2948 {
2949 switch (type)
2950 {
2951 case SHN_UNDEF: return "UND";
2952 case SHN_ABS: return "ABS";
2953 case SHN_COMMON: return "COM";
2954 default:
2955 if (type >= SHN_LOPROC && type <= SHN_HIPROC)
2956 return "PRC";
2957 else if (type >= SHN_LORESERVE && type <= SHN_HIRESERVE)
2958 return "RSV";
2959 else
2960 {
2961 static char buff [32];
2962
2963 sprintf (buff, "%3d", type);
2964 return buff;
2965 }
2966 }
2967 }
2968
2969
2970 static int *
2971 get_dynamic_data (file, number)
2972 FILE * file;
2973 unsigned int number;
2974 {
2975 char * e_data;
2976 int * i_data;
2977
2978 e_data = (char *) malloc (number * 4);
2979
2980 if (e_data == NULL)
2981 {
2982 error (_("Out of memory\n"));
2983 return NULL;
2984 }
2985
2986 if (fread (e_data, 4, number, file) != number)
2987 {
2988 error (_("Unable to read in dynamic data\n"));
2989 return NULL;
2990 }
2991
2992 i_data = (int *) malloc (number * sizeof (* i_data));
2993
2994 if (i_data == NULL)
2995 {
2996 error (_("Out of memory\n"));
2997 free (e_data);
2998 return NULL;
2999 }
3000
3001 while (number--)
3002 i_data [number] = byte_get (e_data + number * 4, 4);
3003
3004 free (e_data);
3005
3006 return i_data;
3007 }
3008
3009 /* Dump the symbol table */
3010 static int
3011 process_symbol_table (file)
3012 FILE * file;
3013 {
3014 Elf32_Internal_Shdr * section;
3015
3016 if (! do_syms)
3017 return 1;
3018
3019 if (dynamic_info [DT_HASH] && do_using_dynamic && dynamic_strings != NULL)
3020 {
3021 char nb [4];
3022 char nc [4];
3023 int nbuckets;
3024 int nchains;
3025 int * buckets;
3026 int * chains;
3027 int hn;
3028 int si;
3029
3030 if (fseek (file, dynamic_info [DT_HASH] - loadaddr, SEEK_SET))
3031 {
3032 error (_("Unable to seek to start of dynamic information"));
3033 return 0;
3034 }
3035
3036 if (fread (& nb, sizeof (nb), 1, file) != 1)
3037 {
3038 error (_("Failed to read in number of buckets\n"));
3039 return 0;
3040 }
3041
3042 if (fread (& nc, sizeof (nc), 1, file) != 1)
3043 {
3044 error (_("Failed to read in number of chains\n"));
3045 return 0;
3046 }
3047
3048 nbuckets = byte_get (nb, 4);
3049 nchains = byte_get (nc, 4);
3050
3051 buckets = get_dynamic_data (file, nbuckets);
3052 chains = get_dynamic_data (file, nchains);
3053
3054 if (buckets == NULL || chains == NULL)
3055 return 0;
3056
3057 printf (_("\nSymbol table for image:\n"));
3058 printf (_(" Num Buc: Value Size Type Bind Ot Ndx Name\n"));
3059
3060 for (hn = 0; hn < nbuckets; hn++)
3061 {
3062 if (! buckets [hn])
3063 continue;
3064
3065 for (si = buckets [hn]; si; si = chains [si])
3066 {
3067 Elf_Internal_Sym * psym;
3068
3069 psym = dynamic_symbols + si;
3070
3071 printf (" %3d %3d: %8lx %5ld %6s %6s %2d ",
3072 si, hn,
3073 (unsigned long) psym->st_value,
3074 (unsigned long) psym->st_size,
3075 get_symbol_type (ELF_ST_TYPE (psym->st_info)),
3076 get_symbol_binding (ELF_ST_BIND (psym->st_info)),
3077 psym->st_other);
3078
3079 printf ("%3.3s", get_symbol_index_type (psym->st_shndx));
3080
3081 printf (" %s\n", dynamic_strings + psym->st_name);
3082 }
3083 }
3084
3085 free (buckets);
3086 free (chains);
3087 }
3088 else if (!do_using_dynamic)
3089 {
3090 unsigned int i;
3091
3092 for (i = 0, section = section_headers;
3093 i < elf_header.e_shnum;
3094 i++, section++)
3095 {
3096 unsigned int si;
3097 char * strtab;
3098 Elf_Internal_Sym * symtab;
3099 Elf_Internal_Sym * psym;
3100
3101
3102 if ( section->sh_type != SHT_SYMTAB
3103 && section->sh_type != SHT_DYNSYM)
3104 continue;
3105
3106 printf (_("\nSymbol table '%s' contains %d entries:\n"),
3107 SECTION_NAME (section),
3108 section->sh_size / section->sh_entsize);
3109 fputs (_(" Num: Value Size Type Bind Ot Ndx Name\n"),
3110 stdout);
3111
3112 symtab = get_elf_symbols (file, section->sh_offset,
3113 section->sh_size / section->sh_entsize);
3114 if (symtab == NULL)
3115 continue;
3116
3117 if (section->sh_link == elf_header.e_shstrndx)
3118 strtab = string_table;
3119 else
3120 {
3121 Elf32_Internal_Shdr * string_sec;
3122
3123 string_sec = section_headers + section->sh_link;
3124
3125 GET_DATA_ALLOC (string_sec->sh_offset, string_sec->sh_size,
3126 strtab, char *, "string table");
3127 }
3128
3129 for (si = 0, psym = symtab;
3130 si < section->sh_size / section->sh_entsize;
3131 si ++, psym ++)
3132 {
3133 printf (" %3d: %8lx %5ld %-7s %-6s %2d ",
3134 si,
3135 (unsigned long) psym->st_value,
3136 (unsigned long) psym->st_size,
3137 get_symbol_type (ELF_ST_TYPE (psym->st_info)),
3138 get_symbol_binding (ELF_ST_BIND (psym->st_info)),
3139 psym->st_other);
3140
3141 if (psym->st_shndx == 0)
3142 fputs (" UND", stdout);
3143 else if ((psym->st_shndx & 0xffff) == 0xfff1)
3144 fputs (" ABS", stdout);
3145 else if ((psym->st_shndx & 0xffff) == 0xfff2)
3146 fputs (" COM", stdout);
3147 else
3148 printf ("%4x", psym->st_shndx);
3149
3150 printf (" %s", strtab + psym->st_name);
3151
3152 if (section->sh_type == SHT_DYNSYM &&
3153 version_info [DT_VERSIONTAGIDX (DT_VERSYM)] != 0)
3154 {
3155 unsigned char data[2];
3156 unsigned short vers_data;
3157 unsigned long offset;
3158 int is_nobits;
3159 int check_def;
3160
3161 offset = version_info [DT_VERSIONTAGIDX (DT_VERSYM)]
3162 - loadaddr;
3163
3164 GET_DATA (offset + si * sizeof (vers_data), data,
3165 "version data");
3166
3167 vers_data = byte_get (data, 2);
3168
3169 is_nobits = psym->st_shndx < SHN_LORESERVE ?
3170 (section_headers [psym->st_shndx].sh_type == SHT_NOBITS)
3171 : 0;
3172
3173 check_def = (psym->st_shndx != SHN_UNDEF);
3174
3175 if ((vers_data & 0x8000) || vers_data > 1)
3176 {
3177 if (is_nobits || ! check_def)
3178 {
3179 Elf_External_Verneed evn;
3180 Elf_Internal_Verneed ivn;
3181 Elf_Internal_Vernaux ivna;
3182
3183 /* We must test both. */
3184 offset = version_info
3185 [DT_VERSIONTAGIDX (DT_VERNEED)] - loadaddr;
3186
3187 GET_DATA (offset, evn, "version need");
3188
3189 ivn.vn_aux = BYTE_GET (evn.vn_aux);
3190 ivn.vn_next = BYTE_GET (evn.vn_next);
3191
3192 do
3193 {
3194 unsigned long vna_off;
3195
3196 vna_off = offset + ivn.vn_aux;
3197
3198 do
3199 {
3200 Elf_External_Vernaux evna;
3201
3202 GET_DATA (vna_off, evna,
3203 "version need aux (3)");
3204
3205 ivna.vna_other = BYTE_GET (evna.vna_other);
3206 ivna.vna_next = BYTE_GET (evna.vna_next);
3207 ivna.vna_name = BYTE_GET (evna.vna_name);
3208
3209 vna_off += ivna.vna_next;
3210 }
3211 while (ivna.vna_other != vers_data
3212 && ivna.vna_next != 0);
3213
3214 if (ivna.vna_other == vers_data)
3215 break;
3216
3217 offset += ivn.vn_next;
3218 }
3219 while (ivn.vn_next != 0);
3220
3221 if (ivna.vna_other == vers_data)
3222 {
3223 printf ("@%s (%d)",
3224 strtab + ivna.vna_name, ivna.vna_other);
3225 check_def = 0;
3226 }
3227 else if (! is_nobits)
3228 error (_("bad dynamic symbol"));
3229 else
3230 check_def = 1;
3231 }
3232
3233 if (check_def)
3234 {
3235 if (vers_data != 0x8001)
3236 {
3237 Elf_Internal_Verdef ivd;
3238 Elf_Internal_Verdaux ivda;
3239 Elf_External_Verdaux evda;
3240 unsigned long offset;
3241
3242 offset =
3243 version_info [DT_VERSIONTAGIDX (DT_VERDEF)]
3244 - loadaddr;
3245
3246 do
3247 {
3248 Elf_External_Verdef evd;
3249
3250 GET_DATA (offset, evd, "version def");
3251
3252 ivd.vd_ndx = BYTE_GET (evd.vd_ndx);
3253 ivd.vd_aux = BYTE_GET (evd.vd_aux);
3254 ivd.vd_next = BYTE_GET (evd.vd_next);
3255
3256 offset += ivd.vd_next;
3257 }
3258 while (ivd.vd_ndx != (vers_data & 0x7fff)
3259 && ivd.vd_next != 0);
3260
3261 offset -= ivd.vd_next;
3262 offset += ivd.vd_aux;
3263
3264 GET_DATA (offset, evda, "version def aux");
3265
3266 ivda.vda_name = BYTE_GET (evda.vda_name);
3267
3268 if (psym->st_name != ivda.vda_name)
3269 printf ((vers_data & 0x8000)
3270 ? "@%s" : "@@%s",
3271 strtab + ivda.vda_name);
3272 }
3273 }
3274 }
3275 }
3276
3277 putchar ('\n');
3278 }
3279
3280 free (symtab);
3281 if (strtab != string_table)
3282 free (strtab);
3283 }
3284 }
3285 else
3286 printf
3287 (_("\nDynamic symbol information is not available for displaying symbols.\n"));
3288
3289 return 1;
3290 }
3291
3292 static int
3293 process_section_contents (file)
3294 FILE * file;
3295 {
3296 Elf32_Internal_Shdr * section;
3297 unsigned int i;
3298
3299 if (! do_dump)
3300 return 1;
3301
3302 for (i = 0, section = section_headers;
3303 i < elf_header.e_shnum;
3304 i ++, section ++)
3305 {
3306 #ifdef SUPPORT_DISASSEMBLY
3307 /* See if we need an assembly dump of this section */
3308
3309 if ((i < NUM_DUMP_SECTS) && (dump_sects[i] & DISASS_DUMP))
3310 {
3311 printf (_("\nAssembly dump of section %s\n"),
3312 SECTION_NAME (section));
3313
3314 /* XXX -- to be done --- XXX */
3315 }
3316 #endif
3317 /* See if we need a hex dump of this section. */
3318 if ((i < NUM_DUMP_SECTS) && (dump_sects[i] & HEX_DUMP))
3319 {
3320 int bytes;
3321 int addr;
3322 unsigned char * data;
3323 char * start;
3324
3325 printf (_("\nHex dump of section '%s':\n"), SECTION_NAME (section));
3326
3327 bytes = section->sh_size;
3328 addr = section->sh_addr;
3329
3330 GET_DATA_ALLOC (section->sh_offset, bytes, start, char *,
3331 "section data");
3332
3333 data = start;
3334
3335 while (bytes)
3336 {
3337 int j;
3338 int k;
3339 int lbytes;
3340
3341 lbytes = (bytes > 16 ? 16 : bytes);
3342
3343 printf (" 0x%8.8x ", addr);
3344
3345 switch (elf_header.e_ident [EI_DATA])
3346 {
3347 case ELFDATA2LSB:
3348 for (j = 15; j >= 0; j --)
3349 {
3350 if (j < lbytes)
3351 printf ("%2.2x", data [j]);
3352 else
3353 printf (" ");
3354
3355 if (!(j & 0x3))
3356 printf (" ");
3357 }
3358 break;
3359
3360 case ELFDATA2MSB:
3361 for (j = 0; j < 16; j++)
3362 {
3363 if (j < lbytes)
3364 printf ("%2.2x", data [j]);
3365 else
3366 printf (" ");
3367
3368 if ((j & 3) == 3)
3369 printf (" ");
3370 }
3371 break;
3372 }
3373
3374 for (j = 0; j < lbytes; j++)
3375 {
3376 k = data [j];
3377 if (k >= ' ' && k < 0x80)
3378 printf ("%c", k);
3379 else
3380 printf (".");
3381 }
3382
3383 putchar ('\n');
3384
3385 data += lbytes;
3386 addr += lbytes;
3387 bytes -= lbytes;
3388 }
3389
3390 free (start);
3391 }
3392 }
3393
3394 return 1;
3395 }
3396
3397 static void
3398 process_mips_fpe_exception (mask)
3399 int mask;
3400 {
3401 if (mask)
3402 {
3403 int first = 1;
3404 if (mask & OEX_FPU_INEX)
3405 fputs ("INEX", stdout), first = 0;
3406 if (mask & OEX_FPU_UFLO)
3407 printf ("%sUFLO", first ? "" : "|"), first = 0;
3408 if (mask & OEX_FPU_OFLO)
3409 printf ("%sOFLO", first ? "" : "|"), first = 0;
3410 if (mask & OEX_FPU_DIV0)
3411 printf ("%sDIV0", first ? "" : "|"), first = 0;
3412 if (mask & OEX_FPU_INVAL)
3413 printf ("%sINVAL", first ? "" : "|");
3414 }
3415 else
3416 fputs ("0", stdout);
3417 }
3418
3419 static int
3420 process_mips_specific (file)
3421 FILE *file;
3422 {
3423 Elf_Internal_Dyn * entry;
3424 size_t liblist_offset = 0;
3425 size_t liblistno = 0;
3426 size_t options_offset = 0;
3427
3428 /* We have a lot of special sections. Thanks SGI! */
3429 if (dynamic_segment == NULL)
3430 /* No information available. */
3431 return 0;
3432
3433 for (entry = dynamic_segment; entry->d_tag != DT_NULL; ++entry)
3434 switch (entry->d_tag)
3435 {
3436 case DT_MIPS_LIBLIST:
3437 liblist_offset = entry->d_un.d_val - loadaddr;
3438 break;
3439 case DT_MIPS_LIBLISTNO:
3440 liblistno = entry->d_un.d_val;
3441 break;
3442 case DT_MIPS_OPTIONS:
3443 options_offset = entry->d_un.d_val - loadaddr;
3444 break;
3445 default:
3446 break;
3447 }
3448
3449 if (liblist_offset != 0 && liblistno != 0 && do_dynamic)
3450 {
3451 Elf32_External_Lib *elib;
3452 size_t cnt;
3453
3454 GET_DATA_ALLOC (liblist_offset, liblistno * sizeof (Elf32_External_Lib),
3455 elib, Elf32_External_Lib *, "liblist");
3456
3457 printf ("\nSection '.liblist' contains %d entries:\n", liblistno);
3458 fputs (" Library Time Stamp Checksum Version Flags\n",
3459 stdout);
3460
3461 for (cnt = 0; cnt < liblistno; ++cnt)
3462 {
3463 Elf32_Lib liblist;
3464 time_t time;
3465 char timebuf[17];
3466
3467 liblist.l_name = BYTE_GET (elib[cnt].l_name);
3468 time = BYTE_GET (elib[cnt].l_time_stamp);
3469 liblist.l_checksum = BYTE_GET (elib[cnt].l_checksum);
3470 liblist.l_version = BYTE_GET (elib[cnt].l_version);
3471 liblist.l_flags = BYTE_GET (elib[cnt].l_flags);
3472
3473 strftime (timebuf, 17, "%Y-%m-%dT%H:%M", gmtime (&time));
3474
3475 printf ("%3d: %-20s %s %#10lx %-7ld %#lx\n", cnt,
3476 dynamic_strings + liblist.l_name, timebuf,
3477 liblist.l_checksum, liblist.l_version, liblist.l_flags);
3478 }
3479
3480 free (elib);
3481 }
3482
3483 if (options_offset != 0)
3484 {
3485 Elf_External_Options *eopt;
3486 Elf_Internal_Shdr *sect = section_headers;
3487 Elf_Internal_Options *iopt;
3488 Elf_Internal_Options *option;
3489 size_t offset;
3490 int cnt;
3491
3492 /* Find the section header so that we get the size. */
3493 while (sect->sh_type != SHT_MIPS_OPTIONS)
3494 ++sect;
3495
3496 GET_DATA_ALLOC (options_offset, sect->sh_size, eopt,
3497 Elf_External_Options *, "options");
3498
3499 iopt = (Elf_Internal_Options *) malloc ((sect->sh_size / sizeof (eopt))
3500 * sizeof (*iopt));
3501 if (iopt == NULL)
3502 {
3503 error (_("Out of memory"));
3504 return 0;
3505 }
3506
3507 offset = cnt = 0;
3508 option = iopt;
3509 while (offset < sect->sh_size)
3510 {
3511 Elf_External_Options *eoption;
3512
3513 eoption = (Elf_External_Options *) ((char *) eopt + offset);
3514
3515 option->kind = BYTE_GET (eoption->kind);
3516 option->size = BYTE_GET (eoption->size);
3517 option->section = BYTE_GET (eoption->section);
3518 option->info = BYTE_GET (eoption->info);
3519
3520 offset += option->size;
3521 ++option;
3522 ++cnt;
3523 }
3524
3525 printf (_("\nSection '%s' contains %d entries:\n"),
3526 string_table + sect->sh_name, cnt);
3527
3528 option = iopt;
3529 while (cnt-- > 0)
3530 {
3531 size_t len;
3532
3533 switch (option->kind)
3534 {
3535 case ODK_NULL:
3536 /* This shouldn't happen. */
3537 printf (" NULL %d %x", option->section, option->info);
3538 break;
3539 case ODK_REGINFO:
3540 printf (" REGINFO ");
3541 if (elf_header.e_machine == EM_MIPS)
3542 {
3543 /* 32bit form. */
3544 Elf32_External_RegInfo *ereg;
3545 Elf32_RegInfo reginfo;
3546
3547 ereg = (Elf32_External_RegInfo *) (option + 1);
3548 reginfo.ri_gprmask = BYTE_GET (ereg->ri_gprmask);
3549 reginfo.ri_cprmask[0] = BYTE_GET (ereg->ri_cprmask[0]);
3550 reginfo.ri_cprmask[1] = BYTE_GET (ereg->ri_cprmask[1]);
3551 reginfo.ri_cprmask[2] = BYTE_GET (ereg->ri_cprmask[2]);
3552 reginfo.ri_cprmask[3] = BYTE_GET (ereg->ri_cprmask[3]);
3553 reginfo.ri_gp_value = BYTE_GET (ereg->ri_gp_value);
3554
3555 printf ("GPR %08lx GP %ld\n",
3556 reginfo.ri_gprmask, reginfo.ri_gp_value);
3557 printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n",
3558 reginfo.ri_cprmask[0], reginfo.ri_cprmask[1],
3559 reginfo.ri_cprmask[2], reginfo.ri_cprmask[3]);
3560 }
3561 else
3562 {
3563 /* 64 bit form. */
3564 Elf64_External_RegInfo *ereg;
3565 Elf64_Internal_RegInfo reginfo;
3566
3567 ereg = (Elf64_External_RegInfo *) (option + 1);
3568 reginfo.ri_gprmask = BYTE_GET (ereg->ri_gprmask);
3569 reginfo.ri_cprmask[0] = BYTE_GET (ereg->ri_cprmask[0]);
3570 reginfo.ri_cprmask[1] = BYTE_GET (ereg->ri_cprmask[1]);
3571 reginfo.ri_cprmask[2] = BYTE_GET (ereg->ri_cprmask[2]);
3572 reginfo.ri_cprmask[3] = BYTE_GET (ereg->ri_cprmask[3]);
3573 reginfo.ri_gp_value = BYTE_GET (ereg->ri_gp_value);
3574
3575 printf ("GPR %08lx GP %ld\n",
3576 reginfo.ri_gprmask, reginfo.ri_gp_value);
3577 printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n",
3578 reginfo.ri_cprmask[0], reginfo.ri_cprmask[1],
3579 reginfo.ri_cprmask[2], reginfo.ri_cprmask[3]);
3580 }
3581 ++option;
3582 continue;
3583 case ODK_EXCEPTIONS:
3584 fputs (" EXCEPTIONS fpe_min(", stdout);
3585 process_mips_fpe_exception (option->info & OEX_FPU_MIN);
3586 fputs (") fpe_max(", stdout);
3587 process_mips_fpe_exception ((option->info & OEX_FPU_MAX) >> 8);
3588 fputs (")", stdout);
3589
3590 if (option->info & OEX_PAGE0)
3591 fputs (" PAGE0", stdout);
3592 if (option->info & OEX_SMM)
3593 fputs (" SMM", stdout);
3594 if (option->info & OEX_FPDBUG)
3595 fputs (" FPDBUG", stdout);
3596 if (option->info & OEX_DISMISS)
3597 fputs (" DISMISS", stdout);
3598 break;
3599 case ODK_PAD:
3600 fputs (" PAD ", stdout);
3601 if (option->info & OPAD_PREFIX)
3602 fputs (" PREFIX", stdout);
3603 if (option->info & OPAD_POSTFIX)
3604 fputs (" POSTFIX", stdout);
3605 if (option->info & OPAD_SYMBOL)
3606 fputs (" SYMBOL", stdout);
3607 break;
3608 case ODK_HWPATCH:
3609 fputs (" HWPATCH ", stdout);
3610 if (option->info & OHW_R4KEOP)
3611 fputs (" R4KEOP", stdout);
3612 if (option->info & OHW_R8KPFETCH)
3613 fputs (" R8KPFETCH", stdout);
3614 if (option->info & OHW_R5KEOP)
3615 fputs (" R5KEOP", stdout);
3616 if (option->info & OHW_R5KCVTL)
3617 fputs (" R5KCVTL", stdout);
3618 break;
3619 case ODK_FILL:
3620 fputs (" FILL ", stdout);
3621 /* XXX Print content of info word? */
3622 break;
3623 case ODK_TAGS:
3624 fputs (" TAGS ", stdout);
3625 /* XXX Print content of info word? */
3626 break;
3627 case ODK_HWAND:
3628 fputs (" HWAND ", stdout);
3629 if (option->info & OHWA0_R4KEOP_CHECKED)
3630 fputs (" R4KEOP_CHECKED", stdout);
3631 if (option->info & OHWA0_R4KEOP_CLEAN)
3632 fputs (" R4KEOP_CLEAN", stdout);
3633 break;
3634 case ODK_HWOR:
3635 fputs (" HWOR ", stdout);
3636 if (option->info & OHWA0_R4KEOP_CHECKED)
3637 fputs (" R4KEOP_CHECKED", stdout);
3638 if (option->info & OHWA0_R4KEOP_CLEAN)
3639 fputs (" R4KEOP_CLEAN", stdout);
3640 break;
3641 case ODK_GP_GROUP:
3642 printf (" GP_GROUP %#06x self-contained %#06x",
3643 option->info & OGP_GROUP,
3644 (option->info & OGP_SELF) >> 16);
3645 break;
3646 case ODK_IDENT:
3647 printf (" IDENT %#06x self-contained %#06x",
3648 option->info & OGP_GROUP,
3649 (option->info & OGP_SELF) >> 16);
3650 break;
3651 default:
3652 /* This shouldn't happen. */
3653 printf (" %3d ??? %d %x",
3654 option->kind, option->section, option->info);
3655 break;
3656 }
3657
3658 len = sizeof (*eopt);
3659 while (len < option->size)
3660 if (((char *) option)[len] >= ' '
3661 && ((char *) option)[len] < 0x7f)
3662 printf ("%c", ((char *) option)[len++]);
3663 else
3664 printf ("\\%03o", ((char *) option)[len++]);
3665
3666 fputs ("\n", stdout);
3667 ++option;
3668 }
3669
3670 free (eopt);
3671 }
3672
3673 return 1;
3674 }
3675
3676 static int
3677 process_arch_specific (file)
3678 FILE *file;
3679 {
3680 switch (elf_header.e_machine)
3681 {
3682 case EM_MIPS:
3683 case EM_MIPS_RS4_BE:
3684 return process_mips_specific (file);
3685 break;
3686 default:
3687 break;
3688 }
3689 return 1;
3690 }
3691
3692 static int
3693 get_file_header (file)
3694 FILE * file;
3695 {
3696 Elf32_External_Ehdr ehdr;
3697
3698 if (fread (& ehdr, sizeof (ehdr), 1, file) != 1)
3699 return 0;
3700
3701 memcpy (elf_header.e_ident, ehdr.e_ident, EI_NIDENT);
3702
3703 if (elf_header.e_ident [EI_DATA] == ELFDATA2LSB)
3704 byte_get = byte_get_little_endian;
3705 else
3706 byte_get = byte_get_big_endian;
3707
3708 elf_header.e_entry = BYTE_GET (ehdr.e_entry);
3709 elf_header.e_phoff = BYTE_GET (ehdr.e_phoff);
3710 elf_header.e_shoff = BYTE_GET (ehdr.e_shoff);
3711 elf_header.e_version = BYTE_GET (ehdr.e_version);
3712 elf_header.e_flags = BYTE_GET (ehdr.e_flags);
3713 elf_header.e_type = BYTE_GET (ehdr.e_type);
3714 elf_header.e_machine = BYTE_GET (ehdr.e_machine);
3715 elf_header.e_ehsize = BYTE_GET (ehdr.e_ehsize);
3716 elf_header.e_phentsize = BYTE_GET (ehdr.e_phentsize);
3717 elf_header.e_phnum = BYTE_GET (ehdr.e_phnum);
3718 elf_header.e_shentsize = BYTE_GET (ehdr.e_shentsize);
3719 elf_header.e_shnum = BYTE_GET (ehdr.e_shnum);
3720 elf_header.e_shstrndx = BYTE_GET (ehdr.e_shstrndx);
3721
3722 return 1;
3723 }
3724
3725 static void
3726 process_file (file_name)
3727 char * file_name;
3728 {
3729 FILE * file;
3730 struct stat statbuf;
3731 unsigned int i;
3732
3733 if (stat (file_name, & statbuf) < 0)
3734 {
3735 error (_("Cannot stat input file %s.\n"), file_name);
3736 return;
3737 }
3738
3739 file = fopen (file_name, "rb");
3740 if (file == NULL)
3741 {
3742 error (_("Input file %s not found.\n"), file_name);
3743 return;
3744 }
3745
3746 if (! get_file_header (file))
3747 {
3748 error (_("%s: Failed to read file header\n"), file_name);
3749 fclose (file);
3750 return;
3751 }
3752
3753 /* Initialise per file variables. */
3754 for (i = NUM_ELEM (version_info); i--;)
3755 version_info [i] = 0;
3756
3757 for (i = NUM_ELEM (dynamic_info); i--;)
3758 dynamic_info [i] = 0;
3759
3760
3761 /* Process the file. */
3762 if (show_name)
3763 printf (_("\nFile: %s\n"), file_name);
3764
3765 if (! process_file_header ())
3766 {
3767 fclose (file);
3768 return;
3769 }
3770
3771 process_section_headers (file);
3772
3773 process_program_headers (file);
3774
3775 process_dynamic_segment (file);
3776
3777 process_relocs (file);
3778
3779 process_symbol_table (file);
3780
3781 process_version_sections (file);
3782
3783 process_section_contents (file);
3784
3785 process_arch_specific (file);
3786
3787 fclose (file);
3788
3789 if (section_headers)
3790 {
3791 free (section_headers);
3792 section_headers = NULL;
3793 }
3794
3795 if (string_table)
3796 {
3797 free (string_table);
3798 string_table = NULL;
3799 }
3800
3801 if (dynamic_strings)
3802 {
3803 free (dynamic_strings);
3804 dynamic_strings = NULL;
3805 }
3806
3807 if (dynamic_symbols)
3808 {
3809 free (dynamic_symbols);
3810 dynamic_symbols = NULL;
3811 }
3812 }
3813
3814 #ifdef SUPPORT_DISASSEMBLY
3815 /* Needed by the i386 disassembler. For extra credit, someone could
3816 fix this so that we insert symbolic addresses here, esp for GOT/PLT
3817 symbols */
3818
3819 void
3820 print_address (unsigned int addr, FILE * outfile)
3821 {
3822 fprintf (outfile,"0x%8.8x", addr);
3823 }
3824
3825 /* Needed by the i386 disassembler. */
3826 void
3827 db_task_printsym (unsigned int addr)
3828 {
3829 print_address (addr, stderr);
3830 }
3831 #endif
3832
3833 int
3834 main (argc, argv)
3835 int argc;
3836 char ** argv;
3837 {
3838 parse_args (argc, argv);
3839
3840 if (optind < (argc - 1))
3841 show_name = 1;
3842
3843 while (optind < argc)
3844 process_file (argv [optind ++]);
3845
3846 return 0;
3847 }