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[thirdparty/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 _("*INVALID*");
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 _("*INVALID*");
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 _("*INVALID*");
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 _("*INVALID*");
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 _("*INVALID*");
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 _("*INVALID*");
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 _("*INVALID*");
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 _("*INVALID*");
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 _("*INVALID*");
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 _("*INVALID*");
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 _("*INVALID*");
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 _("*INVALID*");
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 _("*INVALID*");
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 _("*INVALID*");
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 = "<unknown>";
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 printf ("%-21.21s", rtype);
920
921 symtab_index = ELF32_R_SYM (info);
922
923 if (symtab_index && symtab != NULL)
924 {
925 Elf_Internal_Sym * psym;
926
927 psym = symtab + symtab_index;
928
929 printf (" %08lx ", (unsigned long) psym->st_value);
930
931 if (psym->st_name == 0)
932 printf ("%-25.25s",
933 SECTION_NAME (section_headers + psym->st_shndx));
934 else if (strtab == NULL)
935 printf (_("<string table index %3d>"), psym->st_name);
936 else
937 printf ("%-25.25s", strtab + psym->st_name);
938
939 if (is_rela)
940 printf (" + %lx", (unsigned long) relas [i].r_addend);
941 }
942
943 putchar ('\n');
944 }
945
946 free (relas);
947
948 return 1;
949 }
950
951 static const char *
952 get_mips_dynamic_type (type)
953 unsigned long type;
954 {
955 switch (type)
956 {
957 case DT_MIPS_RLD_VERSION: return "MIPS_RLD_VERSION";
958 case DT_MIPS_TIME_STAMP: return "MIPS_TIME_STAMP";
959 case DT_MIPS_ICHECKSUM: return "MIPS_ICHECKSUM";
960 case DT_MIPS_IVERSION: return "MIPS_IVERSION";
961 case DT_MIPS_FLAGS: return "MIPS_FLAGS";
962 case DT_MIPS_BASE_ADDRESS: return "MIPS_BASE_ADDRESS";
963 case DT_MIPS_MSYM: return "MIPS_MSYM";
964 case DT_MIPS_CONFLICT: return "MIPS_CONFLICT";
965 case DT_MIPS_LIBLIST: return "MIPS_LIBLIST";
966 case DT_MIPS_LOCAL_GOTNO: return "MIPS_LOCAL_GOTNO";
967 case DT_MIPS_CONFLICTNO: return "MIPS_CONFLICTNO";
968 case DT_MIPS_LIBLISTNO: return "MIPS_LIBLISTNO";
969 case DT_MIPS_SYMTABNO: return "MIPS_SYMTABNO";
970 case DT_MIPS_UNREFEXTNO: return "MIPS_UNREFEXTNO";
971 case DT_MIPS_GOTSYM: return "MIPS_GOTSYM";
972 case DT_MIPS_HIPAGENO: return "MIPS_HIPAGENO";
973 case DT_MIPS_RLD_MAP: return "MIPS_RLD_MAP";
974 case DT_MIPS_DELTA_CLASS: return "MIPS_DELTA_CLASS";
975 case DT_MIPS_DELTA_CLASS_NO: return "MIPS_DELTA_CLASS_NO";
976 case DT_MIPS_DELTA_INSTANCE: return "MIPS_DELTA_INSTANCE";
977 case DT_MIPS_DELTA_INSTANCE_NO: return "MIPS_DELTA_INSTANCE_NO";
978 case DT_MIPS_DELTA_RELOC: return "MIPS_DELTA_RELOC";
979 case DT_MIPS_DELTA_RELOC_NO: return "MIPS_DELTA_RELOC_NO";
980 case DT_MIPS_DELTA_SYM: return "MIPS_DELTA_SYM";
981 case DT_MIPS_DELTA_SYM_NO: return "MIPS_DELTA_SYM_NO";
982 case DT_MIPS_DELTA_CLASSSYM: return "MIPS_DELTA_CLASSSYM";
983 case DT_MIPS_DELTA_CLASSSYM_NO: return "MIPS_DELTA_CLASSSYM_NO";
984 case DT_MIPS_CXX_FLAGS: return "MIPS_CXX_FLAGS";
985 case DT_MIPS_PIXIE_INIT: return "MIPS_PIXIE_INIT";
986 case DT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB";
987 case DT_MIPS_LOCALPAGE_GOTIDX: return "MIPS_LOCALPAGE_GOTIDX";
988 case DT_MIPS_LOCAL_GOTIDX: return "MIPS_LOCAL_GOTIDX";
989 case DT_MIPS_HIDDEN_GOTIDX: return "MIPS_HIDDEN_GOTIDX";
990 case DT_MIPS_PROTECTED_GOTIDX: return "MIPS_PROTECTED_GOTIDX";
991 case DT_MIPS_OPTIONS: return "MIPS_OPTIONS";
992 case DT_MIPS_INTERFACE: return "MIPS_INTERFACE";
993 case DT_MIPS_DYNSTR_ALIGN: return "MIPS_DYNSTR_ALIGN";
994 case DT_MIPS_INTERFACE_SIZE: return "MIPS_INTERFACE_SIZE";
995 case DT_MIPS_RLD_TEXT_RESOLVE_ADDR: return "MIPS_RLD_TEXT_RESOLVE_ADDR";
996 case DT_MIPS_PERF_SUFFIX: return "MIPS_PERF_SUFFIX";
997 case DT_MIPS_COMPACT_SIZE: return "MIPS_COMPACT_SIZE";
998 case DT_MIPS_GP_VALUE: return "MIPS_GP_VALUE";
999 case DT_MIPS_AUX_DYNAMIC: return "MIPS_AUX_DYNAMIC";
1000 default:
1001 return NULL;
1002 }
1003 }
1004
1005 static const char *
1006 get_dynamic_type (type)
1007 unsigned long type;
1008 {
1009 static char buff [32];
1010
1011 switch (type)
1012 {
1013 case DT_NULL: return _("NULL");
1014 case DT_NEEDED: return _("NEEDED");
1015 case DT_PLTRELSZ: return _("PLTRELSZ");
1016 case DT_PLTGOT: return _("PLTGOT");
1017 case DT_HASH: return _("HASH");
1018 case DT_STRTAB: return _("STRTAB");
1019 case DT_SYMTAB: return _("SYMTAB");
1020 case DT_RELA: return _("RELA");
1021 case DT_RELASZ: return _("RELASZ");
1022 case DT_RELAENT: return _("RELAENT");
1023 case DT_STRSZ: return _("STRSZ");
1024 case DT_SYMENT: return _("SYMENT");
1025 case DT_INIT: return _("INIT");
1026 case DT_FINI: return _("FINI");
1027 case DT_SONAME: return _("SONAME");
1028 case DT_RPATH: return _("RPATH");
1029 case DT_SYMBOLIC: return _("SYMBOLIC");
1030 case DT_REL: return _("REL");
1031 case DT_RELSZ: return _("RELSZ");
1032 case DT_RELENT: return _("RELENT");
1033 case DT_PLTREL: return _("PLTREL");
1034 case DT_DEBUG: return _("DEBUG");
1035 case DT_TEXTREL: return _("TEXTREL");
1036 case DT_JMPREL: return _("JMPREL");
1037 case DT_VERDEF: return _("VERDEF");
1038 case DT_VERDEFNUM: return _("VERDEFNUM");
1039 case DT_VERNEED: return _("VERNEED");
1040 case DT_VERNEEDNUM: return _("VERNEEDNUM");
1041 case DT_VERSYM: return _("VERSYN");
1042 case DT_AUXILIARY: return _("AUXILARY");
1043 case DT_FILTER: return _("FILTER");
1044
1045 default:
1046 if ((type >= DT_LOPROC) && (type <= DT_HIPROC))
1047 {
1048 const char *result = NULL;
1049 switch (elf_header.e_machine)
1050 {
1051 case EM_MIPS:
1052 case EM_MIPS_RS4_BE:
1053 result = get_mips_dynamic_type (type);
1054 default:
1055 }
1056
1057 if (result == NULL)
1058 {
1059 sprintf (buff, _("Processor Specific: (%x)"), type);
1060 result = buff;
1061 }
1062 return result;
1063 }
1064 else
1065 sprintf (buff, _("<unknown>: %x"), type);
1066 return buff;
1067 }
1068 }
1069
1070 static char *
1071 get_file_type (e_type)
1072 unsigned e_type;
1073 {
1074 static char buff [32];
1075
1076 switch (e_type)
1077 {
1078 case ET_NONE: return _("NONE (None)");
1079 case ET_REL: return _("REL (Relocatable file)");
1080 case ET_EXEC: return _("EXEC (Executable file)");
1081 case ET_DYN: return _("DYN (Shared object file)");
1082 case ET_CORE: return _("CORE (Core file)");
1083
1084 default:
1085 if ((e_type >= ET_LOPROC) && (e_type <= ET_HIPROC))
1086 sprintf (buff, _("Processor Specific: (%x)"), e_type);
1087 else
1088 sprintf (buff, _("<unknown>: %x"), e_type);
1089 return buff;
1090 }
1091 }
1092
1093 static char *
1094 get_machine_name (e_machine)
1095 unsigned e_machine;
1096 {
1097 static char buff [32];
1098
1099 switch (e_machine)
1100 {
1101 case EM_NONE: return _("None");
1102 case EM_M32: return "WE32100";
1103 case EM_SPARC: return "Sparc";
1104 case EM_386: return "Intel 80386";
1105 case EM_68K: return "MC68000";
1106 case EM_88K: return "MC88000";
1107 case EM_486: return "Intel 80486";
1108 case EM_860: return "Intel 80860";
1109 case EM_MIPS: return "MIPS R3000 big-endian";
1110 case EM_S370: return "Amdahl";
1111 case EM_MIPS_RS4_BE: return "MIPS R4000 big-endian";
1112 case EM_OLD_SPARCV9: return "Sparc v9 (old)";
1113 case EM_PARISC: return "HPPA";
1114 case EM_PPC_OLD: return "Power PC (old)";
1115 case EM_SPARC32PLUS: return "Sparc v8+" ;
1116 case EM_960: return "Intel 90860";
1117 case EM_PPC: return "PowerPC";
1118 case EM_V800: return "NEC V800";
1119 case EM_FR20: return "Fujitsu FR20";
1120 case EM_RH32: return "TRW RH32";
1121 case EM_MMA: return "Fujitsu MMA";
1122 case EM_ARM: return "ARM";
1123 case EM_OLD_ALPHA: return "Digital Alpha (old)";
1124 case EM_SH: return "Hitachi SH";
1125 case EM_SPARCV9: return "Sparc v9";
1126 case EM_ALPHA: return "Alpha";
1127 case EM_CYGNUS_D10V: return "d10v";
1128 /* start-sanitize-d30v */
1129 case EM_CYGNUS_D30V: return "d30v";
1130 /* end-sanitize-d30v */
1131 case EM_CYGNUS_M32R: return "M32r";
1132 case EM_CYGNUS_V850: return "v850";
1133 case EM_CYGNUS_MN10300: return "mn10300";
1134 case EM_CYGNUS_MN10200: return "mn10200";
1135
1136 default:
1137 sprintf (buff, _("<unknown>: %x"), e_machine);
1138 return buff;
1139 }
1140 }
1141
1142 static char *
1143 get_machine_flags (e_flags, e_machine)
1144 unsigned e_flags;
1145 unsigned e_machine;
1146 {
1147 static char buf [1024];
1148
1149 buf[0] = '\0';
1150 if (e_flags)
1151 {
1152 switch (e_machine)
1153 {
1154 default:
1155 break;
1156
1157 case EM_PPC:
1158 if (e_flags & EF_PPC_EMB)
1159 strcat (buf, ", emb");
1160
1161 if (e_flags & EF_PPC_RELOCATABLE)
1162 strcat (buf, ", relocatable");
1163
1164 if (e_flags & EF_PPC_RELOCATABLE_LIB)
1165 strcat (buf, ", relocatable-lib");
1166 break;
1167
1168 case EM_CYGNUS_M32R:
1169 if ((e_flags & EF_M32R_ARCH) == E_M32R_ARCH)
1170 strcat (buf, ", m32r");
1171
1172 /* start-sanitize-m32rx */
1173 #ifdef E_M32RX_ARCH
1174 if ((e_flags & EF_M32R_ARCH) == E_M32RX_ARCH)
1175 strcat (buf, ", m32rx");
1176 #endif
1177 /* end-sanitize-m32rx */
1178 break;
1179
1180 case EM_MIPS:
1181 case EM_MIPS_RS4_BE:
1182 if (e_flags & EF_MIPS_NOREORDER)
1183 strcat (buf, ", noreorder");
1184
1185 if (e_flags & EF_MIPS_PIC)
1186 strcat (buf, ", pic");
1187
1188 if (e_flags & EF_MIPS_CPIC)
1189 strcat (buf, ", cpic");
1190
1191 if (e_flags & EF_MIPS_ABI2)
1192 strcat (buf, ", abi2");
1193
1194 if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_1)
1195 strcat (buf, ", mips1");
1196
1197 if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_2)
1198 strcat (buf, ", mips2");
1199
1200 if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_3)
1201 strcat (buf, ", mips3");
1202
1203 if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_4)
1204 strcat (buf, ", mips4");
1205 break;
1206 }
1207 }
1208
1209 return buf;
1210 }
1211
1212 static char *
1213 get_machine_data (e_data)
1214 unsigned e_data;
1215 {
1216 static char buff [32];
1217
1218 switch (e_data)
1219 {
1220 case ELFDATA2LSB: return _("ELFDATA2LSB (little endian)");
1221 case ELFDATA2MSB: return _("ELFDATA2MSB (big endian)");
1222 default:
1223 sprintf (buff, _("<unknown>: %x"), e_data);
1224 return buff;
1225 }
1226 }
1227
1228 static const char *
1229 get_mips_segment_type (type)
1230 unsigned long type;
1231 {
1232 switch (type)
1233 {
1234 case PT_MIPS_REGINFO:
1235 return "REGINFO";
1236 case PT_MIPS_RTPROC:
1237 return "RTPROC";
1238 case PT_MIPS_OPTIONS:
1239 return "OPTIONS";
1240 default:
1241 break;
1242 }
1243
1244 return NULL;
1245 }
1246
1247 static const char *
1248 get_segment_type (p_type)
1249 unsigned long p_type;
1250 {
1251 static char buff [32];
1252
1253 switch (p_type)
1254 {
1255 case PT_NULL: return "NULL";
1256 case PT_LOAD: return "LOAD";
1257 case PT_DYNAMIC: return "DYNAMIC";
1258 case PT_INTERP: return "INTERP";
1259 case PT_NOTE: return "NOTE";
1260 case PT_SHLIB: return "SHLIB";
1261 case PT_PHDR: return "PHDR";
1262
1263 default:
1264 if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC))
1265 {
1266 const char *result;
1267 switch (elf_header.e_machine)
1268 {
1269 case EM_MIPS:
1270 case EM_MIPS_RS4_BE:
1271 result = get_mips_segment_type (p_type);
1272 break;
1273 default:
1274 result = NULL;
1275 break;
1276 }
1277 if (result == NULL)
1278 {
1279 sprintf (buff, "LOPROC+%d", p_type - PT_LOPROC);
1280 result = buff;
1281 }
1282 return result;
1283 }
1284 else
1285 {
1286 sprintf (buff, _("<unknown>: %x"), p_type);
1287 return buff;
1288 }
1289 }
1290 }
1291
1292 static const char *
1293 get_mips_section_type_name (sh_type)
1294 unsigned int sh_type;
1295 {
1296 switch (sh_type)
1297 {
1298 case SHT_MIPS_LIBLIST:
1299 return "MIPS_LIBLIST";
1300 case SHT_MIPS_MSYM:
1301 return "MIPS_MSYM";
1302 case SHT_MIPS_CONFLICT:
1303 return "MIPS_CONFLICT";
1304 case SHT_MIPS_GPTAB:
1305 return "MIPS_GPTAB";
1306 case SHT_MIPS_UCODE:
1307 return "MIPS_UCODE";
1308 case SHT_MIPS_DEBUG:
1309 return "MIPS_DEBUG";
1310 case SHT_MIPS_REGINFO:
1311 return "MIPS_REGINFO";
1312 case SHT_MIPS_PACKAGE:
1313 return "MIPS_PACKAGE";
1314 case SHT_MIPS_PACKSYM:
1315 return "MIPS_PACKSYM";
1316 case SHT_MIPS_RELD:
1317 return "MIPS_RELD";
1318 case SHT_MIPS_IFACE:
1319 return "MIPS_IFACE";
1320 case SHT_MIPS_CONTENT:
1321 return "MIPS_CONTENT";
1322 case SHT_MIPS_OPTIONS:
1323 return "MIPS_OPTIONS";
1324 case SHT_MIPS_SHDR:
1325 return "MIPS_SHDR";
1326 case SHT_MIPS_FDESC:
1327 return "MIPS_FDESC";
1328 case SHT_MIPS_EXTSYM:
1329 return "MIPS_EXTSYM";
1330 case SHT_MIPS_DENSE:
1331 return "MIPS_DENSE";
1332 case SHT_MIPS_PDESC:
1333 return "MIPS_PDESC";
1334 case SHT_MIPS_LOCSYM:
1335 return "MIPS_LOCSYM";
1336 case SHT_MIPS_AUXSYM:
1337 return "MIPS_AUXSYM";
1338 case SHT_MIPS_OPTSYM:
1339 return "MIPS_OPTSYM";
1340 case SHT_MIPS_LOCSTR:
1341 return "MIPS_LOCSTR";
1342 case SHT_MIPS_LINE:
1343 return "MIPS_LINE";
1344 case SHT_MIPS_RFDESC:
1345 return "MIPS_RFDESC";
1346 case SHT_MIPS_DELTASYM:
1347 return "MIPS_DELTASYM";
1348 case SHT_MIPS_DELTAINST:
1349 return "MIPS_DELTAINST";
1350 case SHT_MIPS_DELTACLASS:
1351 return "MIPS_DELTACLASS";
1352 case SHT_MIPS_DWARF:
1353 return "MIPS_DWARF";
1354 case SHT_MIPS_DELTADECL:
1355 return "MIPS_DELTADECL";
1356 case SHT_MIPS_SYMBOL_LIB:
1357 return "MIPS_SYMBOL_LIB";
1358 case SHT_MIPS_EVENTS:
1359 return "MIPS_EVENTS";
1360 case SHT_MIPS_TRANSLATE:
1361 return "MIPS_TRANSLATE";
1362 case SHT_MIPS_PIXIE:
1363 return "MIPS_PIXIE";
1364 case SHT_MIPS_XLATE:
1365 return "MIPS_XLATE";
1366 case SHT_MIPS_XLATE_DEBUG:
1367 return "MIPS_XLATE_DEBUG";
1368 case SHT_MIPS_WHIRL:
1369 return "MIPS_WHIRL";
1370 case SHT_MIPS_EH_REGION:
1371 return "MIPS_EH_REGION";
1372 case SHT_MIPS_XLATE_OLD:
1373 return "MIPS_XLATE_OLD";
1374 case SHT_MIPS_PDR_EXCEPTION:
1375 return "MIPS_PDR_EXCEPTION";
1376 default:
1377 break;
1378 }
1379 return NULL;
1380 }
1381
1382 static const char *
1383 get_section_type_name (sh_type)
1384 unsigned int sh_type;
1385 {
1386 static char buff [32];
1387
1388 switch (sh_type)
1389 {
1390 case SHT_NULL: return "NULL";
1391 case SHT_PROGBITS: return "PROGBITS";
1392 case SHT_SYMTAB: return "SYMTAB";
1393 case SHT_STRTAB: return "STRTAB";
1394 case SHT_RELA: return "RELA";
1395 case SHT_HASH: return "HASH";
1396 case SHT_DYNAMIC: return "DYNAMIC";
1397 case SHT_NOTE: return "NOTE";
1398 case SHT_NOBITS: return "NOBITS";
1399 case SHT_REL: return "REL";
1400 case SHT_SHLIB: return "SHLIB";
1401 case SHT_DYNSYM: return "DYNSYM";
1402 case SHT_GNU_verdef: return "VERDEF";
1403 case SHT_GNU_verneed: return "VERNEED";
1404 case SHT_GNU_versym: return "VERSYM";
1405 case 0x6ffffff0: return "VERSYM";
1406 case 0x6ffffffc: return "VERDEF";
1407 case 0x7ffffffd: return "AUXILIARY";
1408 case 0x7fffffff: return "FILTER";
1409
1410 default:
1411 if ((sh_type >= SHT_LOPROC) && (sh_type <= SHT_HIPROC))
1412 {
1413 const char *result;
1414
1415 switch (elf_header.e_machine)
1416 {
1417 case EM_MIPS:
1418 case EM_MIPS_RS4_BE:
1419 result = get_mips_section_type_name (sh_type);
1420 break;
1421 default:
1422 result = NULL;
1423 break;
1424 }
1425
1426 if (result == NULL)
1427 {
1428 sprintf (buff, _("SHT_LOPROC+%d"), sh_type - SHT_LOPROC);
1429 result = buff;
1430 }
1431 return result;
1432 }
1433 else if ((sh_type >= SHT_LOUSER) && (sh_type <= SHT_HIUSER))
1434 sprintf (buff, _("SHT_LOUSER+%d"), sh_type - SHT_LOUSER);
1435 else
1436 sprintf (buff, _("<unknown>: %x"), sh_type);
1437 return buff;
1438 }
1439 }
1440
1441 struct option options [] =
1442 {
1443 {"all", no_argument, 0, 'a'},
1444 {"file-header", no_argument, 0, 'h'},
1445 {"program-headers", no_argument, 0, 'l'},
1446 {"headers", no_argument, 0, 'e'},
1447 {"segments", no_argument, 0, 'l'},
1448 {"sections", no_argument, 0, 'S'},
1449 {"section-headers", no_argument, 0, 'S'},
1450 {"symbols", no_argument, 0, 's'},
1451 {"relocs", no_argument, 0, 'r'},
1452 {"dynamic", no_argument, 0, 'd'},
1453 {"version-info", no_argument, 0, 'V'},
1454 {"use-dynamic", no_argument, 0, 'D'},
1455
1456 {"hex-dump", required_argument, 0, 'x'},
1457 #ifdef SUPPORT_DISASSEMBLY
1458 {"instruction-dump", required_argument, 0, 'i'},
1459 #endif
1460
1461 {"version", no_argument, 0, 'v'},
1462 {"help", no_argument, 0, 'H'},
1463
1464 {0, no_argument, 0, 0}
1465 };
1466
1467 static void
1468 usage ()
1469 {
1470 fprintf (stdout, _("Usage: readelf {options} elf-file(s)\n"));
1471 fprintf (stdout, _(" Options are:\n"));
1472 fprintf (stdout, _(" -a or --all Equivalent to: -h -l -S -s -r -d -V\n"));
1473 fprintf (stdout, _(" -h or --file-header Display the ELF file header\n"));
1474 fprintf (stdout, _(" -l or --program-headers or --segments\n"));
1475 fprintf (stdout, _(" Display the program headers\n"));
1476 fprintf (stdout, _(" -S or --section-headers or --sections\n"));
1477 fprintf (stdout, _(" Display the sections' header\n"));
1478 fprintf (stdout, _(" -e or --headers Equivalent to: -h -l -S\n"));
1479 fprintf (stdout, _(" -s or --symbols Display the symbol table\n"));
1480 fprintf (stdout, _(" -r or --relocs Display the relocations (if present)\n"));
1481 fprintf (stdout, _(" -d or --dynamic Display the dynamic segment (if present)\n"));
1482 fprintf (stdout, _(" -V or --version-info Display the version sections (if present)\n"));
1483 fprintf (stdout, _(" -D or --use-dynamic Use the dynamic section info when displaying symbols\n"));
1484 fprintf (stdout, _(" -x <number> or --hex-dump=<number>\n"));
1485 fprintf (stdout, _(" Dump the contents of section <number>\n"));
1486 #ifdef SUPPORT_DISASSEMBLY
1487 fprintf (stdout, _(" -i <number> or --instruction-dump=<number>\n"));
1488 fprintf (stdout, _(" Disassemble the contents of section <number>\n"));
1489 #endif
1490 fprintf (stdout, _(" -v or --version Display the version number of readelf\n"));
1491 fprintf (stdout, _(" -H or --help Display this information\n"));
1492 fprintf (stdout, _("Report bugs to bug-gnu-utils@gnu.org\n"));
1493
1494 exit (0);
1495 }
1496
1497 static void
1498 parse_args (argc, argv)
1499 int argc;
1500 char ** argv;
1501 {
1502 int c;
1503
1504 if (argc < 2)
1505 usage ();
1506
1507 while ((c = getopt_long
1508 (argc, argv, "ersahldSDx:i:vV", options, NULL)) != EOF)
1509 {
1510 char * cp;
1511 int section;
1512
1513 switch (c)
1514 {
1515 case 'H':
1516 usage ();
1517 break;
1518
1519 case 'a':
1520 do_syms ++;
1521 do_reloc ++;
1522 do_dynamic ++;
1523 do_header ++;
1524 do_sections ++;
1525 do_segments ++;
1526 do_version ++;
1527 break;
1528 case 'e':
1529 do_header ++;
1530 do_sections ++;
1531 do_segments ++;
1532 break;
1533 case 'D':
1534 do_using_dynamic ++;
1535 break;
1536 case 'r':
1537 do_reloc ++;
1538 break;
1539 case 'h':
1540 do_header ++;
1541 break;
1542 case 'l':
1543 do_segments ++;
1544 break;
1545 case 's':
1546 do_syms ++;
1547 break;
1548 case 'S':
1549 do_sections ++;
1550 break;
1551 case 'd':
1552 do_dynamic ++;
1553 break;
1554 case 'x':
1555 do_dump ++;
1556 section = strtoul (optarg, & cp, 0);
1557 if (! * cp && section >= 0 && section < NUM_DUMP_SECTS)
1558 {
1559 dump_sects [section] |= HEX_DUMP;
1560 break;
1561 }
1562 goto oops;
1563 #ifdef SUPPORT_DISASSEMBLY
1564 case 'i':
1565 do_dump ++;
1566 section = strtoul (optarg, & cp, 0);
1567 if (! * cp && section >= 0 && section < NUM_DUMP_SECTS)
1568 {
1569 dump_sects [section] |= DISASS_DUMP;
1570 break;
1571 }
1572 goto oops;
1573 #endif
1574 case 'v':
1575 print_version (program_name);
1576 break;
1577 case 'V':
1578 do_version ++;
1579 break;
1580 default:
1581 oops:
1582 /* xgettext:c-format */
1583 error (_("Invalid option '-%c'\n"), c);
1584 /* Drop through. */
1585 case '?':
1586 usage ();
1587 }
1588 }
1589
1590 if (!do_dynamic && !do_syms && !do_reloc && !do_sections
1591 && !do_segments && !do_header && !do_dump && !do_version)
1592 usage ();
1593 else if (argc < 3)
1594 {
1595 warn (_("Nothing to do.\n"));
1596 usage();
1597 }
1598 }
1599
1600 /* Decode the data held in 'elf_header'. */
1601 static int
1602 process_file_header ()
1603 {
1604 if ( elf_header.e_ident [EI_MAG0] != ELFMAG0
1605 || elf_header.e_ident [EI_MAG1] != ELFMAG1
1606 || elf_header.e_ident [EI_MAG2] != ELFMAG2
1607 || elf_header.e_ident [EI_MAG3] != ELFMAG3)
1608 {
1609 error
1610 (_("Not an ELF file - it has the wrong magic bytes at the start\n"));
1611 return 0;
1612 }
1613
1614 if (elf_header.e_ident [EI_CLASS] != ELFCLASS32)
1615 {
1616 error (_("Not a 32 bit ELF file\n"));
1617 return 0;
1618 }
1619
1620 if (do_header)
1621 {
1622 int i;
1623
1624 printf (_("ELF Header:\n"));
1625 printf (_(" Magic: "));
1626 for (i = 0; i < EI_NIDENT; i ++)
1627 printf ("%2.2x ", elf_header.e_ident [i]);
1628 printf ("\n");
1629 printf (_(" Type: %s\n"),
1630 get_file_type (elf_header.e_type));
1631 printf (_(" Machine: %s\n"),
1632 get_machine_name (elf_header.e_machine));
1633 printf (_(" Version: 0x%lx\n"),
1634 (unsigned long) elf_header.e_version);
1635 printf (_(" Data: %s\n"),
1636 get_machine_data (elf_header.e_ident [EI_DATA]));
1637 printf (_(" Entry point address: 0x%lx\n"),
1638 (unsigned long) elf_header.e_entry);
1639 printf (_(" Start of program headers: %ld (bytes into file)\n"),
1640 (long) elf_header.e_phoff);
1641 printf (_(" Start of section headers: %ld (bytes into file)\n"),
1642 (long) elf_header.e_shoff);
1643 printf (_(" Flags: 0x%lx%s\n"),
1644 (unsigned long) elf_header.e_flags,
1645 get_machine_flags (elf_header.e_flags, elf_header.e_machine));
1646 printf (_(" Size of this header: %ld (bytes)\n"),
1647 (long) elf_header.e_ehsize);
1648 printf (_(" Size of program headers: %ld (bytes)\n"),
1649 (long) elf_header.e_phentsize);
1650 printf (_(" Number of program headers: %ld\n"),
1651 (long) elf_header.e_phnum);
1652 printf (_(" Size of section headers: %ld (bytes)\n"),
1653 (long) elf_header.e_shentsize);
1654 printf (_(" Number of section headers: %ld\n"),
1655 (long) elf_header.e_shnum);
1656 printf (_(" Section header string table index: %ld\n"),
1657 (long) elf_header.e_shstrndx);
1658 }
1659
1660 return 1;
1661 }
1662
1663
1664 static int
1665 process_program_headers (file)
1666 FILE * file;
1667 {
1668 Elf32_External_Phdr * phdrs;
1669 Elf32_Internal_Phdr * program_headers;
1670 Elf32_Internal_Phdr * segment;
1671 unsigned int i;
1672
1673 if (elf_header.e_phnum == 0)
1674 {
1675 if (do_segments)
1676 printf (_("\nThere are no program headers in this file.\n"));
1677 return 1;
1678 }
1679
1680 if (do_segments && !do_header)
1681 {
1682 printf (_("\nElf file is %s\n"), get_file_type (elf_header.e_type));
1683 printf (_("Entry point 0x%lx\n"), (unsigned long) elf_header.e_entry);
1684 printf (_("There are %d program headers, starting at offset %lx:\n"),
1685 elf_header.e_phnum, (unsigned long) elf_header.e_phoff);
1686 }
1687
1688 GET_DATA_ALLOC (elf_header.e_phoff,
1689 elf_header.e_phentsize * elf_header.e_phnum,
1690 phdrs, Elf32_External_Phdr *, "program headers");
1691
1692 program_headers = (Elf32_Internal_Phdr *) malloc
1693 (elf_header.e_phnum * sizeof (Elf32_Internal_Phdr));
1694
1695 if (program_headers == NULL)
1696 {
1697 error (_("Out of memory\n"));
1698 return 0;
1699 }
1700
1701 for (i = 0, segment = program_headers;
1702 i < elf_header.e_phnum;
1703 i ++, segment ++)
1704 {
1705 segment->p_type = BYTE_GET (phdrs[i].p_type);
1706 segment->p_offset = BYTE_GET (phdrs[i].p_offset);
1707 segment->p_vaddr = BYTE_GET (phdrs[i].p_vaddr);
1708 segment->p_paddr = BYTE_GET (phdrs[i].p_paddr);
1709 segment->p_filesz = BYTE_GET (phdrs[i].p_filesz);
1710 segment->p_memsz = BYTE_GET (phdrs[i].p_memsz);
1711 segment->p_flags = BYTE_GET (phdrs[i].p_flags);
1712 segment->p_align = BYTE_GET (phdrs[i].p_align);
1713 }
1714
1715 free (phdrs);
1716
1717 if (do_segments)
1718 {
1719 printf
1720 (_("\nProgram Header%s:\n"), elf_header.e_phnum > 1 ? "s" : "");
1721 printf
1722 (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n"));
1723 }
1724
1725 loadaddr = -1;
1726 dynamic_addr = 0;
1727
1728 for (i = 0, segment = program_headers;
1729 i < elf_header.e_phnum;
1730 i ++, segment ++)
1731 {
1732 if (do_segments)
1733 {
1734 printf (" %-11.11s ", get_segment_type (segment->p_type));
1735 printf ("0x%5.5lx ", (unsigned long) segment->p_offset);
1736 printf ("0x%8.8lx ", (unsigned long) segment->p_vaddr);
1737 printf ("0x%8.8lx ", (unsigned long) segment->p_paddr);
1738 printf ("0x%5.5lx ", (unsigned long) segment->p_filesz);
1739 printf ("0x%5.5lx ", (unsigned long) segment->p_memsz);
1740 printf ("%c%c%c ",
1741 (segment->p_flags & PF_R ? 'R' : ' '),
1742 (segment->p_flags & PF_W ? 'W' : ' '),
1743 (segment->p_flags & PF_X ? 'E' : ' '));
1744 printf ("%#lx", (unsigned long) segment->p_align);
1745 }
1746
1747 switch (segment->p_type)
1748 {
1749 case PT_LOAD:
1750 if (loadaddr == -1)
1751 loadaddr = (segment->p_vaddr & 0xfffff000)
1752 - (segment->p_offset & 0xfffff000);
1753 break;
1754
1755 case PT_DYNAMIC:
1756 if (dynamic_addr)
1757 error (_("more than one dynamic segment\n"));
1758
1759 dynamic_addr = segment->p_offset;
1760 dynamic_size = segment->p_filesz;
1761 break;
1762
1763 case PT_INTERP:
1764 if (fseek (file, segment->p_offset, SEEK_SET))
1765 error (_("Unable to find program interpreter name\n"));
1766 else
1767 {
1768 program_interpreter[0] = 0;
1769 fscanf (file, "%63s", program_interpreter);
1770
1771 if (do_segments)
1772 printf (_("\n [Requesting program interpreter: %s]"),
1773 program_interpreter);
1774 }
1775 break;
1776 }
1777
1778 if (do_segments)
1779 putc ('\n', stdout);
1780 }
1781
1782 if (loadaddr == -1)
1783 {
1784 /* Very strange. */
1785 loadaddr = 0;
1786 }
1787
1788 if (do_segments && section_headers != NULL)
1789 {
1790 printf (_("\n Section to Segment mapping:\n"));
1791 printf (_(" Segment Sections...\n"));
1792
1793 assert (string_table != NULL);
1794
1795 for (i = 0; i < elf_header.e_phnum; i++)
1796 {
1797 int j;
1798 Elf32_Internal_Shdr * section;
1799
1800 segment = program_headers + i;
1801 section = section_headers;
1802
1803 printf (" %2.2d ", i);
1804
1805 for (j = 0; j < elf_header.e_shnum; j++, section ++)
1806 {
1807 if (section->sh_size > 0
1808 /* Compare allocated sections by VMA, unallocated
1809 sections by file offset. */
1810 && (section->sh_flags & SHF_ALLOC
1811 ? (section->sh_addr >= segment->p_vaddr
1812 && section->sh_addr + section->sh_size
1813 <= segment->p_vaddr + segment->p_memsz)
1814 : (section->sh_offset >= segment->p_offset
1815 && (section->sh_offset + section->sh_size
1816 <= segment->p_offset + segment->p_filesz))))
1817 printf ("%s ", SECTION_NAME (section));
1818 }
1819
1820 putc ('\n',stdout);
1821 }
1822 }
1823
1824 free (program_headers);
1825
1826 return 1;
1827 }
1828
1829
1830 static int
1831 get_section_headers (file)
1832 FILE * file;
1833 {
1834 Elf32_External_Shdr * shdrs;
1835 Elf32_Internal_Shdr * internal;
1836 unsigned int i;
1837
1838 GET_DATA_ALLOC (elf_header.e_shoff,
1839 elf_header.e_shentsize * elf_header.e_shnum,
1840 shdrs, Elf32_External_Shdr *, "section headers");
1841
1842 section_headers = (Elf32_Internal_Shdr *) malloc
1843 (elf_header.e_shnum * sizeof (Elf32_Internal_Shdr));
1844
1845 if (section_headers == NULL)
1846 {
1847 error (_("Out of memory\n"));
1848 return 0;
1849 }
1850
1851 for (i = 0, internal = section_headers;
1852 i < elf_header.e_shnum;
1853 i ++, internal ++)
1854 {
1855 internal->sh_name = BYTE_GET (shdrs[i].sh_name);
1856 internal->sh_type = BYTE_GET (shdrs[i].sh_type);
1857 internal->sh_flags = BYTE_GET (shdrs[i].sh_flags);
1858 internal->sh_addr = BYTE_GET (shdrs[i].sh_addr);
1859 internal->sh_offset = BYTE_GET (shdrs[i].sh_offset);
1860 internal->sh_size = BYTE_GET (shdrs[i].sh_size);
1861 internal->sh_link = BYTE_GET (shdrs[i].sh_link);
1862 internal->sh_info = BYTE_GET (shdrs[i].sh_info);
1863 internal->sh_addralign = BYTE_GET (shdrs[i].sh_addralign);
1864 internal->sh_entsize = BYTE_GET (shdrs[i].sh_entsize);
1865 }
1866
1867 free (shdrs);
1868
1869 return 1;
1870 }
1871
1872 static Elf_Internal_Sym *
1873 get_elf_symbols (file, offset, number)
1874 FILE * file;
1875 unsigned long offset;
1876 unsigned long number;
1877 {
1878 Elf32_External_Sym * esyms;
1879 Elf_Internal_Sym * isyms;
1880 Elf_Internal_Sym * psym;
1881 unsigned int j;
1882
1883 GET_DATA_ALLOC (offset, number * sizeof (Elf32_External_Sym),
1884 esyms, Elf32_External_Sym *, "symbols");
1885
1886 isyms = (Elf_Internal_Sym *) malloc (number * sizeof (Elf_Internal_Sym));
1887
1888 if (isyms == NULL)
1889 {
1890 error (_("Out of memory\n"));
1891 free (esyms);
1892
1893 return NULL;
1894 }
1895
1896 for (j = 0, psym = isyms;
1897 j < number;
1898 j ++, psym ++)
1899 {
1900 psym->st_name = BYTE_GET (esyms[j].st_name);
1901 psym->st_value = BYTE_GET (esyms[j].st_value);
1902 psym->st_size = BYTE_GET (esyms[j].st_size);
1903 psym->st_shndx = BYTE_GET (esyms[j].st_shndx);
1904 psym->st_info = BYTE_GET (esyms[j].st_info);
1905 psym->st_other = BYTE_GET (esyms[j].st_other);
1906 }
1907
1908 free (esyms);
1909
1910 return isyms;
1911 }
1912
1913 static int
1914 process_section_headers (file)
1915 FILE * file;
1916 {
1917 Elf32_Internal_Shdr * section;
1918 int i;
1919
1920 section_headers = NULL;
1921
1922 if (elf_header.e_shnum == 0)
1923 {
1924 if (do_sections)
1925 printf (_("\nThere are no sections in this file.\n"));
1926
1927 return 1;
1928 }
1929
1930 if (do_sections && !do_header)
1931 printf (_("There are %d section headers, starting at offset %x:\n"),
1932 elf_header.e_shnum, elf_header.e_shoff);
1933
1934 if (! get_section_headers (file))
1935 return 0;
1936
1937 /* Read in the string table, so that we have names to display. */
1938 section = section_headers + elf_header.e_shstrndx;
1939
1940 if (section->sh_size != 0)
1941 {
1942 unsigned long string_table_offset;
1943
1944 string_table_offset = section->sh_offset;
1945
1946 GET_DATA_ALLOC (section->sh_offset, section->sh_size,
1947 string_table, char *, "string table");
1948 }
1949
1950 /* Scan the sections for the dynamic symbol table
1951 and dynamic string table. */
1952 dynamic_symbols = NULL;
1953 dynamic_strings = NULL;
1954 for (i = 0, section = section_headers;
1955 i < elf_header.e_shnum;
1956 i ++, section ++)
1957 {
1958 if (section->sh_type == SHT_DYNSYM)
1959 {
1960 if (dynamic_symbols != NULL)
1961 {
1962 error (_("File contains multiple dynamic symbol tables\n"));
1963 continue;
1964 }
1965
1966 dynamic_symbols = get_elf_symbols
1967 (file, section->sh_offset, section->sh_size / section->sh_entsize);
1968 }
1969 else if (section->sh_type == SHT_STRTAB
1970 && strcmp (SECTION_NAME (section), ".dynstr") == 0)
1971 {
1972 if (dynamic_strings != NULL)
1973 {
1974 error (_("File contains multiple dynamic string tables\n"));
1975 continue;
1976 }
1977
1978 GET_DATA_ALLOC (section->sh_offset, section->sh_size,
1979 dynamic_strings, char *, "dynamic strings");
1980 }
1981 }
1982
1983 if (! do_sections)
1984 return 1;
1985
1986 printf (_("\nSection Header%s:\n"), elf_header.e_shnum > 1 ? "s" : "");
1987 printf
1988 (_(" [Nr] Name Type Addr Off Size ES Flg Lk Inf Al\n"));
1989
1990 for (i = 0, section = section_headers;
1991 i < elf_header.e_shnum;
1992 i ++, section ++)
1993 {
1994 printf (" [%2d] %-17.17s %-15.15s ",
1995 i,
1996 SECTION_NAME (section),
1997 get_section_type_name (section->sh_type));
1998
1999 printf ( "%8.8lx %6.6lx %6.6lx %2.2lx",
2000 (unsigned long) section->sh_addr,
2001 (unsigned long) section->sh_offset,
2002 (unsigned long) section->sh_size,
2003 (unsigned long) section->sh_entsize);
2004
2005 printf (" %c%c%c %2ld %3lx %ld \n",
2006 (section->sh_flags & SHF_WRITE ? 'W' : ' '),
2007 (section->sh_flags & SHF_ALLOC ? 'A' : ' '),
2008 (section->sh_flags & SHF_EXECINSTR ? 'X' : ' '),
2009 (unsigned long) section->sh_link,
2010 (unsigned long) section->sh_info,
2011 (unsigned long) section->sh_addralign);
2012 }
2013
2014 return 1;
2015 }
2016
2017 /* Process the reloc section. */
2018 static int
2019 process_relocs (file)
2020 FILE * file;
2021 {
2022 unsigned long rel_size;
2023 unsigned long rel_offset;
2024
2025
2026 if (!do_reloc)
2027 return 1;
2028
2029 if (do_using_dynamic)
2030 {
2031 rel_size = 0;
2032 rel_offset = 0;
2033
2034 if (dynamic_info [DT_REL])
2035 {
2036 rel_offset = dynamic_info [DT_REL];
2037 rel_size = dynamic_info [DT_RELSZ];
2038 }
2039 else if (dynamic_info [DT_RELA])
2040 {
2041 rel_offset = dynamic_info [DT_RELA];
2042 rel_size = dynamic_info [DT_RELASZ];
2043 }
2044 else if (dynamic_info [DT_JMPREL])
2045 {
2046 rel_offset = dynamic_info [DT_JMPREL];
2047 rel_size = dynamic_info [DT_PLTRELSZ];
2048 }
2049
2050 if (rel_size)
2051 {
2052 printf
2053 (_("\nRelocation section at offset 0x%x contains %d bytes:\n"),
2054 rel_offset, rel_size);
2055
2056 dump_relocations (file, rel_offset - loadaddr, rel_size,
2057 dynamic_symbols, dynamic_strings);
2058 }
2059 else
2060 printf (_("\nThere are no dynamic relocations in this file.\n"));
2061 }
2062 else
2063 {
2064 Elf32_Internal_Shdr * section;
2065 unsigned long i;
2066 int found = 0;
2067
2068 assert (string_table != NULL);
2069
2070 for (i = 0, section = section_headers;
2071 i < elf_header.e_shnum;
2072 i++, section ++)
2073 {
2074 if ( section->sh_type != SHT_RELA
2075 && section->sh_type != SHT_REL)
2076 continue;
2077
2078 rel_offset = section->sh_offset;
2079 rel_size = section->sh_size;
2080
2081 if (rel_size)
2082 {
2083 Elf32_Internal_Shdr * strsec;
2084 Elf32_Internal_Shdr * symsec;
2085 Elf_Internal_Sym * symtab;
2086 char * strtab;
2087
2088 printf
2089 (_("\nRelocation section '%s' at offset 0x%x contains %d entries:\n"),
2090 SECTION_NAME (section), rel_offset,
2091 rel_size / section->sh_entsize);
2092
2093 symsec = section_headers + section->sh_link;
2094
2095 symtab = get_elf_symbols (file, symsec->sh_offset,
2096 symsec->sh_size / symsec->sh_entsize);
2097
2098 if (symtab == NULL)
2099 continue;
2100
2101 strsec = section_headers + symsec->sh_link;
2102
2103 GET_DATA_ALLOC (strsec->sh_offset, strsec->sh_size, strtab,
2104 char *, "string table");
2105
2106 dump_relocations (file, rel_offset, rel_size, symtab, strtab);
2107
2108 free (strtab);
2109 free (symtab);
2110
2111 found = 1;
2112 }
2113 }
2114
2115 if (! found)
2116 printf (_("\nThere are no relocations in this file.\n"));
2117 }
2118
2119 return 1;
2120 }
2121
2122
2123 static void
2124 dynamic_segment_mips_val (entry)
2125 Elf_Internal_Dyn *entry;
2126 {
2127 switch (entry->d_tag)
2128 {
2129 case DT_MIPS_LOCAL_GOTNO:
2130 case DT_MIPS_CONFLICTNO:
2131 case DT_MIPS_LIBLISTNO:
2132 case DT_MIPS_SYMTABNO:
2133 case DT_MIPS_UNREFEXTNO:
2134 case DT_MIPS_HIPAGENO:
2135 case DT_MIPS_DELTA_CLASS_NO:
2136 case DT_MIPS_DELTA_INSTANCE_NO:
2137 case DT_MIPS_DELTA_RELOC_NO:
2138 case DT_MIPS_DELTA_SYM_NO:
2139 case DT_MIPS_DELTA_CLASSSYM_NO:
2140 if (do_dynamic)
2141 printf ("%#ld\n", (long) entry->d_un.d_ptr);
2142 break;
2143 default:
2144 if (do_dynamic)
2145 printf ("%#lx\n", (long) entry->d_un.d_ptr);
2146 }
2147 }
2148
2149 /* Parse the dynamic segment */
2150 static int
2151 process_dynamic_segment (file)
2152 FILE * file;
2153 {
2154 Elf_Internal_Dyn * entry;
2155 Elf32_External_Dyn * edyn;
2156 unsigned int i;
2157
2158 if (dynamic_size == 0)
2159 {
2160 if (do_dynamic)
2161 printf (_("\nThere is no dynamic segment in this file.\n"));
2162
2163 return 1;
2164 }
2165
2166 GET_DATA_ALLOC (dynamic_addr, dynamic_size,
2167 edyn, Elf32_External_Dyn *, "dynamic segment");
2168
2169 /* SGI's ELF has more than one section in the DYNAMIC segment. Determine
2170 how large .dynamic is now. We can do this even before the byte
2171 swapping since the DT_NULL tag is recognizable. */
2172 dynamic_size = 0;
2173 while (*(Elf32_Word *) edyn[dynamic_size++].d_tag != DT_NULL)
2174 ;
2175
2176 dynamic_segment = (Elf_Internal_Dyn *)
2177 malloc (dynamic_size * sizeof (Elf_Internal_Dyn));
2178
2179 if (dynamic_segment == NULL)
2180 {
2181 error (_("Out of memory\n"));
2182 free (edyn);
2183 return 0;
2184 }
2185
2186 for (i = 0, entry = dynamic_segment;
2187 i < dynamic_size;
2188 i ++, entry ++)
2189 {
2190 entry->d_tag = BYTE_GET (edyn [i].d_tag);
2191 entry->d_un.d_val = BYTE_GET (edyn [i].d_un.d_val);
2192 }
2193
2194 free (edyn);
2195
2196 /* Find the appropriate symbol table. */
2197 if (dynamic_symbols == NULL)
2198 {
2199 for (i = 0, entry = dynamic_segment;
2200 i < dynamic_size;
2201 ++i, ++ entry)
2202 {
2203 unsigned long offset;
2204 long num_syms;
2205
2206 if (entry->d_tag != DT_SYMTAB)
2207 continue;
2208
2209 dynamic_info [DT_SYMTAB] = entry->d_un.d_val;
2210
2211 /* Since we do not know how big the symbol table is,
2212 we default to reading in the entire file (!) and
2213 processing that. This is overkill, I know, but it
2214 should work. */
2215
2216 offset = entry->d_un.d_val - loadaddr;
2217
2218 if (fseek (file, 0, SEEK_END))
2219 error (_("Unable to seek to end of file!"));
2220
2221 num_syms = (ftell (file) - offset) / sizeof (Elf32_External_Sym);
2222
2223 if (num_syms < 1)
2224 {
2225 error (_("Unable to determine the number of symbols to load\n"));
2226 continue;
2227 }
2228
2229 dynamic_symbols = get_elf_symbols (file, offset, num_syms);
2230 }
2231 }
2232
2233 /* Similarly find a string table. */
2234 if (dynamic_strings == NULL)
2235 {
2236 for (i = 0, entry = dynamic_segment;
2237 i < dynamic_size;
2238 ++i, ++ entry)
2239 {
2240 unsigned long offset;
2241 long str_tab_len;
2242
2243 if (entry->d_tag != DT_STRTAB)
2244 continue;
2245
2246 dynamic_info [DT_STRTAB] = entry->d_un.d_val;
2247
2248 /* Since we do not know how big the string table is,
2249 we default to reading in the entire file (!) and
2250 processing that. This is overkill, I know, but it
2251 should work. */
2252
2253 offset = entry->d_un.d_val - loadaddr;
2254 if (fseek (file, 0, SEEK_END))
2255 error (_("Unable to seek to end of file\n"));
2256 str_tab_len = ftell (file) - offset;
2257
2258 if (str_tab_len < 1)
2259 {
2260 error
2261 (_("Unable to determine the length of the dynamic string table\n"));
2262 continue;
2263 }
2264
2265 GET_DATA_ALLOC (offset, str_tab_len, dynamic_strings, char *,
2266 "dynamic string table");
2267
2268 break;
2269 }
2270 }
2271
2272 if (do_dynamic && dynamic_addr)
2273 printf (_("\nDynamic segment at offset 0x%x contains %d entries:\n"),
2274 dynamic_addr, dynamic_size);
2275 if (do_dynamic)
2276 printf (_(" Tag Type Name/Value\n"));
2277
2278 for (i = 0, entry = dynamic_segment;
2279 i < dynamic_size;
2280 i++, entry ++)
2281 {
2282 if (do_dynamic)
2283 printf (_(" 0x%-8.8lx (%s)%*s"),
2284 (unsigned long) entry->d_tag,
2285 get_dynamic_type (entry->d_tag),
2286 27 - strlen (get_dynamic_type (entry->d_tag)),
2287 " ");
2288
2289 switch (entry->d_tag)
2290 {
2291 case DT_AUXILIARY:
2292 case DT_FILTER:
2293 if (do_dynamic)
2294 {
2295 if (entry->d_tag == DT_AUXILIARY)
2296 printf (_("Auxiliary library"));
2297 else
2298 printf (_("Filter library"));
2299
2300 if (dynamic_strings)
2301 printf (": [%s]\n", dynamic_strings + entry->d_un.d_val);
2302 else
2303 printf (": %#lx\n", (long) entry->d_un.d_val);
2304 }
2305 break;
2306
2307 case DT_NULL :
2308 case DT_NEEDED :
2309 case DT_PLTRELSZ:
2310 case DT_PLTGOT :
2311 case DT_HASH :
2312 case DT_STRTAB :
2313 case DT_SYMTAB :
2314 case DT_RELA :
2315 case DT_RELASZ :
2316 case DT_RELAENT :
2317 case DT_STRSZ :
2318 case DT_SYMENT :
2319 case DT_INIT :
2320 case DT_FINI :
2321 case DT_SONAME :
2322 case DT_RPATH :
2323 case DT_SYMBOLIC:
2324 case DT_REL :
2325 case DT_RELSZ :
2326 case DT_RELENT :
2327 case DT_PLTREL :
2328 case DT_DEBUG :
2329 case DT_TEXTREL :
2330 case DT_JMPREL :
2331 dynamic_info [entry->d_tag] = entry->d_un.d_val;
2332
2333 if (do_dynamic)
2334 {
2335 char * name;
2336
2337 if (dynamic_strings == NULL)
2338 name = NULL;
2339 else
2340 name = dynamic_strings + entry->d_un.d_val;
2341
2342 if (name)
2343 {
2344 switch (entry->d_tag)
2345 {
2346 case DT_NEEDED:
2347 printf (_("Shared library: [%s]"), name);
2348
2349 if (strcmp (name, program_interpreter))
2350 printf ("\n");
2351 else
2352 printf (_(" program interpreter\n"));
2353 break;
2354
2355 case DT_SONAME:
2356 printf (_("Library soname: [%s]\n"), name);
2357 break;
2358
2359 case DT_RPATH:
2360 printf (_("Library rpath: [%s]\n"), name);
2361 break;
2362
2363 default:
2364 printf ("%#lx\n", (long) entry->d_un.d_val);
2365 }
2366 }
2367 else
2368 printf ("%#lx\n", (long) entry->d_un.d_val);
2369 }
2370 break;
2371
2372 default:
2373 if ((entry->d_tag >= DT_VERSYM) && (entry->d_tag <= DT_VERNEEDNUM))
2374 {
2375 version_info [DT_VERSIONTAGIDX (entry->d_tag)] =
2376 entry->d_un.d_val;
2377
2378 if (do_dynamic)
2379 printf ("%#lx\n", (long) entry->d_un.d_ptr);
2380 }
2381 else
2382 switch (elf_header.e_machine)
2383 {
2384 case EM_MIPS:
2385 case EM_MIPS_RS4_BE:
2386 dynamic_segment_mips_val (entry);
2387 break;
2388 default:
2389 if (do_dynamic)
2390 printf ("%#lx\n", (long) entry->d_un.d_ptr);
2391 }
2392 break;
2393 }
2394 }
2395
2396 return 1;
2397 }
2398
2399 static char *
2400 get_ver_flags (flags)
2401 unsigned int flags;
2402 {
2403 static char buff [32];
2404
2405 buff[0] = 0;
2406
2407 if (flags == 0)
2408 return _("none");
2409
2410 if (flags & VER_FLG_BASE)
2411 strcat (buff, "BASE ");
2412
2413 if (flags & VER_FLG_WEAK)
2414 {
2415 if (flags & VER_FLG_BASE)
2416 strcat (buff, "| ");
2417
2418 strcat (buff, "WEAK ");
2419 }
2420
2421 if (flags & ~(VER_FLG_BASE | VER_FLG_WEAK))
2422 strcat (buff, "| <unknown>");
2423
2424 return buff;
2425 }
2426
2427 /* Display the contents of the version sections. */
2428 static int
2429 process_version_sections (file)
2430 FILE * file;
2431 {
2432 Elf32_Internal_Shdr * section;
2433 unsigned i;
2434 int found = 0;
2435
2436 if (! do_version)
2437 return 1;
2438
2439 for (i = 0, section = section_headers;
2440 i < elf_header.e_shnum;
2441 i++, section ++)
2442 {
2443 switch (section->sh_type)
2444 {
2445 case SHT_GNU_verdef:
2446 {
2447 Elf_External_Verdef * edefs;
2448 unsigned int idx;
2449 unsigned int cnt;
2450
2451 found = 1;
2452
2453 printf
2454 (_("\nVersion definition section '%s' contains %d entries:\n"),
2455 SECTION_NAME (section), section->sh_info);
2456
2457 printf (_(" Addr: %#08x Offset: %#08x Link: %x (%s)\n"),
2458 section->sh_addr, section->sh_offset, section->sh_link,
2459 SECTION_NAME (section_headers + section->sh_link));
2460
2461 GET_DATA_ALLOC (section->sh_offset, section->sh_size,
2462 edefs, Elf_External_Verdef *,
2463 "version definition section");
2464
2465 for (idx = cnt = 0; cnt < section->sh_info; ++ cnt)
2466 {
2467 char * vstart;
2468 Elf_External_Verdef * edef;
2469 Elf_Internal_Verdef ent;
2470 Elf_External_Verdaux * eaux;
2471 Elf_Internal_Verdaux aux;
2472 int j;
2473 int isum;
2474
2475 vstart = ((char *) edefs) + idx;
2476
2477 edef = (Elf_External_Verdef *) vstart;
2478
2479 ent.vd_version = BYTE_GET (edef->vd_version);
2480 ent.vd_flags = BYTE_GET (edef->vd_flags);
2481 ent.vd_ndx = BYTE_GET (edef->vd_ndx);
2482 ent.vd_cnt = BYTE_GET (edef->vd_cnt);
2483 ent.vd_hash = BYTE_GET (edef->vd_hash);
2484 ent.vd_aux = BYTE_GET (edef->vd_aux);
2485 ent.vd_next = BYTE_GET (edef->vd_next);
2486
2487 printf (_(" %#06x: Rev: %d Flags: %s"),
2488 idx, ent.vd_version, get_ver_flags (ent.vd_flags));
2489
2490 printf (_(" Index: %ld Cnt: %ld "), ent.vd_ndx, ent.vd_cnt);
2491
2492 vstart += ent.vd_aux;
2493
2494 eaux = (Elf_External_Verdaux *) vstart;
2495
2496 aux.vda_name = BYTE_GET (eaux->vda_name);
2497 aux.vda_next = BYTE_GET (eaux->vda_next);
2498
2499 if (dynamic_strings)
2500 printf (_("Name: %s\n"), dynamic_strings + aux.vda_name);
2501 else
2502 printf (_("Name index: %ld\n"), aux.vda_name);
2503
2504 isum = idx + ent.vd_aux;
2505
2506 for (j = 1; j < ent.vd_cnt; j ++)
2507 {
2508 isum += aux.vda_next;
2509 vstart += aux.vda_next;
2510
2511 eaux = (Elf_External_Verdaux *) vstart;
2512
2513 aux.vda_name = BYTE_GET (eaux->vda_name);
2514 aux.vda_next = BYTE_GET (eaux->vda_next);
2515
2516 if (dynamic_strings)
2517 printf (_(" %#06x: Parent %d: %s\n"),
2518 isum, j, dynamic_strings + aux.vda_name);
2519 else
2520 printf (_(" %#06x: Parent %d, name index: %ld\n"),
2521 isum, j, aux.vda_name);
2522 }
2523
2524 idx += ent.vd_next;
2525 }
2526
2527 free (edefs);
2528 }
2529 break;
2530
2531 case SHT_GNU_verneed:
2532 {
2533 Elf_External_Verneed * eneed;
2534 unsigned int idx;
2535 unsigned int cnt;
2536
2537 found = 1;
2538
2539 printf (_("\nVersion needs section '%s' contains %d entries:\n"),
2540 SECTION_NAME (section), section->sh_info);
2541
2542 printf
2543 (_(" Addr: %#08x Offset: %#08x Link to section: %d (%s)\n"),
2544 section->sh_addr, section->sh_offset, section->sh_link,
2545 SECTION_NAME (section_headers + section->sh_link));
2546
2547 GET_DATA_ALLOC (section->sh_offset, section->sh_size,
2548 eneed, Elf_External_Verneed *,
2549 "version need section");
2550
2551 for (idx = cnt = 0; cnt < section->sh_info; ++cnt)
2552 {
2553 Elf_External_Verneed * entry;
2554 Elf_Internal_Verneed ent;
2555 int j;
2556 int isum;
2557 char * vstart;
2558
2559 vstart = ((char *) eneed) + idx;
2560
2561 entry = (Elf_External_Verneed *) vstart;
2562
2563 ent.vn_version = BYTE_GET (entry->vn_version);
2564 ent.vn_cnt = BYTE_GET (entry->vn_cnt);
2565 ent.vn_file = BYTE_GET (entry->vn_file);
2566 ent.vn_aux = BYTE_GET (entry->vn_aux);
2567 ent.vn_next = BYTE_GET (entry->vn_next);
2568
2569 printf (_(" %#06x: Version: %d"), idx, ent.vn_version);
2570
2571 if (dynamic_strings)
2572 printf (_(" File: %s"), dynamic_strings + ent.vn_file);
2573 else
2574 printf (_(" File: %lx"), ent.vn_file);
2575
2576 printf (_(" Cnt: %d\n"), ent.vn_cnt);
2577
2578 vstart += ent.vn_aux;
2579
2580 for (j = 0, isum = idx + ent.vn_aux; j < ent.vn_cnt; ++j)
2581 {
2582 Elf_External_Vernaux * eaux;
2583 Elf_Internal_Vernaux aux;
2584
2585 eaux = (Elf_External_Vernaux *) vstart;
2586
2587 aux.vna_hash = BYTE_GET (eaux->vna_hash);
2588 aux.vna_flags = BYTE_GET (eaux->vna_flags);
2589 aux.vna_other = BYTE_GET (eaux->vna_other);
2590 aux.vna_name = BYTE_GET (eaux->vna_name);
2591 aux.vna_next = BYTE_GET (eaux->vna_next);
2592
2593 if (dynamic_strings)
2594 printf (_(" %#06x: Name: %s"),
2595 isum, dynamic_strings + aux.vna_name);
2596 else
2597 printf (_(" %#06x: Name index: %lx"),
2598 isum, aux.vna_name);
2599
2600 printf (_(" Flags: %s Version: %d\n"),
2601 get_ver_flags (aux.vna_flags), aux.vna_other);
2602
2603 isum += aux.vna_next;
2604 vstart += aux.vna_next;
2605 }
2606
2607 idx += ent.vn_next;
2608 }
2609
2610 free (eneed);
2611 }
2612 break;
2613
2614 case SHT_GNU_versym:
2615 {
2616 Elf32_Internal_Shdr * link_section;
2617 int total;
2618 int cnt;
2619 unsigned char * edata;
2620 unsigned short * data;
2621 char * strtab;
2622 Elf_Internal_Sym * symbols;
2623 Elf32_Internal_Shdr * string_sec;
2624
2625 link_section = section_headers + section->sh_link;
2626 total = section->sh_size / section->sh_entsize;
2627
2628 found = 1;
2629
2630 symbols = get_elf_symbols
2631 (file, link_section->sh_offset,
2632 link_section->sh_size / link_section->sh_entsize);
2633
2634 string_sec = section_headers + link_section->sh_link;
2635
2636 GET_DATA_ALLOC (string_sec->sh_offset, string_sec->sh_size,
2637 strtab, char *, "version string table");
2638
2639 printf (_("\nVersion symbols section '%s' contains %d entries:\n"),
2640 SECTION_NAME (section), total);
2641
2642 printf (_(" Addr: %#08x Offset: %#08x Link: %x (%s)\n"),
2643 section->sh_addr, section->sh_offset, section->sh_link,
2644 SECTION_NAME (link_section));
2645
2646 GET_DATA_ALLOC (version_info [DT_VERSIONTAGIDX (DT_VERSYM)]
2647 - loadaddr,
2648 total * sizeof (short), edata,
2649 char *, "version symbol data");
2650
2651 data = (unsigned short *) malloc (total * sizeof (short));
2652
2653 for (cnt = total; cnt --;)
2654 data [cnt] = byte_get (edata + cnt * sizeof (short), sizeof (short));
2655
2656 free (edata);
2657
2658 for (cnt = 0; cnt < total; cnt += 4)
2659 {
2660 int j, nn;
2661
2662 printf (" %03x:", cnt);
2663
2664 for (j = 0; (j < 4) && (cnt + j) < total; ++j)
2665 switch (data [cnt + j])
2666 {
2667 case 0:
2668 fputs (_(" 0 (*local*) "), stdout);
2669 break;
2670
2671 case 1:
2672 fputs (_(" 1 (*global*) "), stdout);
2673 break;
2674
2675 default:
2676 nn = printf ("%4x%c", data [cnt + j] & 0x7fff,
2677 data [cnt + j] & 0x8000 ? 'h' : ' ');
2678
2679 if (symbols [cnt + j].st_shndx < SHN_LORESERVE
2680 && section_headers[symbols [cnt + j].st_shndx].sh_type
2681 == SHT_NOBITS)
2682 {
2683 /* We must test both. */
2684 Elf_Internal_Verneed ivn;
2685 unsigned long offset;
2686
2687 offset = version_info [DT_VERSIONTAGIDX (DT_VERNEED)]
2688 - loadaddr;
2689
2690 do
2691 {
2692 Elf_External_Verneed evn;
2693 Elf_External_Vernaux evna;
2694 Elf_Internal_Vernaux ivna;
2695 unsigned long vna_off;
2696
2697 GET_DATA (offset, evn, "version need");
2698
2699 ivn.vn_aux = BYTE_GET (evn.vn_aux);
2700 ivn.vn_next = BYTE_GET (evn.vn_next);
2701
2702 vna_off = offset + ivn.vn_aux;
2703
2704 do
2705 {
2706 GET_DATA (vna_off, evna,
2707 "version need aux (1)");
2708
2709 ivna.vna_next = BYTE_GET (evna.vna_next);
2710 ivna.vna_other = BYTE_GET (evna.vna_other);
2711
2712 vna_off += ivna.vna_next;
2713 }
2714 while (ivna.vna_other != data [cnt + j]
2715 && ivna.vna_next != 0);
2716
2717 if (ivna.vna_other == data [cnt + j])
2718 {
2719 ivna.vna_name = BYTE_GET (evna.vna_name);
2720
2721 nn += printf ("(%s%-*s",
2722 strtab + ivna.vna_name,
2723 12 - strlen (strtab
2724 + ivna.vna_name),
2725 ")");
2726 break;
2727 }
2728 else if (ivn.vn_next == 0)
2729 {
2730 if (data [cnt + j] != 0x8001)
2731 {
2732 Elf_Internal_Verdef ivd;
2733 Elf_External_Verdef evd;
2734
2735 offset = version_info
2736 [DT_VERSIONTAGIDX (DT_VERDEF)]
2737 - loadaddr;
2738
2739 do
2740 {
2741 GET_DATA (offset, evd,
2742 "version definition");
2743
2744 ivd.vd_next = BYTE_GET (evd.vd_next);
2745 ivd.vd_ndx = BYTE_GET (evd.vd_ndx);
2746
2747 offset += ivd.vd_next;
2748 }
2749 while (ivd.vd_ndx
2750 != (data [cnt + j] & 0x7fff)
2751 && ivd.vd_next != 0);
2752
2753 if (ivd.vd_ndx
2754 == (data [cnt + j] & 0x7fff))
2755 {
2756 Elf_External_Verdaux evda;
2757 Elf_Internal_Verdaux ivda;
2758
2759 ivd.vd_aux = BYTE_GET (evd.vd_aux);
2760
2761 GET_DATA (offset + ivd.vd_aux, evda,
2762 "version definition aux");
2763
2764 ivda.vda_name =
2765 BYTE_GET (evda.vda_name);
2766
2767 nn +=
2768 printf ("(%s%-*s",
2769 strtab + ivda.vda_name,
2770 12
2771 - strlen (strtab
2772 + ivda.vda_name),
2773 ")");
2774 }
2775 }
2776
2777 break;
2778 }
2779 else
2780 offset += ivn.vn_next;
2781 }
2782 while (ivn.vn_next);
2783 }
2784 else if (symbols [cnt + j].st_shndx == SHN_UNDEF)
2785 {
2786 Elf_Internal_Verneed ivn;
2787 unsigned long offset;
2788
2789 offset = version_info [DT_VERSIONTAGIDX (DT_VERNEED)]
2790 - loadaddr;
2791
2792 do
2793 {
2794 Elf_Internal_Vernaux ivna;
2795 Elf_External_Verneed evn;
2796 Elf_External_Vernaux evna;
2797 unsigned long a_off;
2798
2799 GET_DATA (offset, evn, "version need");
2800
2801 ivn.vn_aux = BYTE_GET (evn.vn_aux);
2802 ivn.vn_next = BYTE_GET (evn.vn_next);
2803
2804 a_off = offset + ivn.vn_aux;
2805
2806 do
2807 {
2808 GET_DATA (a_off, evna,
2809 "version need aux (2)");
2810
2811 ivna.vna_next = BYTE_GET (evna.vna_next);
2812 ivna.vna_other = BYTE_GET (evna.vna_other);
2813
2814 a_off += ivna.vna_next;
2815 }
2816 while (ivna.vna_other != data [cnt + j]
2817 && ivna.vna_next != 0);
2818
2819 if (ivna.vna_other == data [cnt + j])
2820 {
2821 ivna.vna_name = BYTE_GET (evna.vna_name);
2822
2823 nn += printf ("(%s%-*s",
2824 strtab + ivna.vna_name,
2825 12 - strlen (strtab
2826 + ivna.vna_name),
2827 ")");
2828 break;
2829 }
2830
2831 offset += ivn.vn_next;
2832 }
2833 while (ivn.vn_next);
2834 }
2835 else if (data [cnt + j] != 0x8001)
2836 {
2837 Elf_Internal_Verdef ivd;
2838 Elf_External_Verdef evd;
2839 unsigned long offset;
2840
2841 offset = version_info
2842 [DT_VERSIONTAGIDX (DT_VERDEF)] - loadaddr;
2843
2844 do
2845 {
2846 GET_DATA (offset, evd, "version def");
2847
2848 ivd.vd_next = BYTE_GET (evd.vd_next);
2849 ivd.vd_ndx = BYTE_GET (evd.vd_ndx);
2850
2851 offset += ivd.vd_next;
2852 }
2853 while (ivd.vd_ndx != (data [cnt + j] & 0x7fff)
2854 && ivd.vd_next != 0);
2855
2856 if (ivd.vd_ndx == (data [cnt + j] & 0x7fff))
2857 {
2858 Elf_External_Verdaux evda;
2859 Elf_Internal_Verdaux ivda;
2860
2861 ivd.vd_aux = BYTE_GET (evd.vd_aux);
2862
2863 GET_DATA (offset - ivd.vd_next + ivd.vd_aux,
2864 evda, "version def aux");
2865
2866 ivda.vda_name = BYTE_GET (evda.vda_name);
2867
2868 nn += printf ("(%s%-*s",
2869 strtab + ivda.vda_name,
2870 12 - strlen (strtab
2871 + ivda.vda_name),
2872 ")");
2873 }
2874 }
2875
2876 if (nn < 18)
2877 printf ("%*c", 18 - nn, ' ');
2878 }
2879
2880 putchar ('\n');
2881 }
2882
2883 free (data);
2884 free (strtab);
2885 free (symbols);
2886 }
2887 break;
2888
2889 default:
2890 break;
2891 }
2892 }
2893
2894 if (! found)
2895 printf (_("\nNo version information found in this file.\n"));
2896
2897 return 1;
2898 }
2899
2900 static char *
2901 get_symbol_binding (binding)
2902 unsigned int binding;
2903 {
2904 static char buff [32];
2905
2906 switch (binding)
2907 {
2908 case STB_LOCAL: return _("LOCAL");
2909 case STB_GLOBAL: return _("GLOBAL");
2910 case STB_WEAK: return _("WEAK");
2911 default:
2912 if (binding >= STB_LOPROC && binding <= STB_HIPROC)
2913 sprintf (buff, _("<processor specific>: %d"), binding);
2914 else
2915 sprintf (buff, _("<unknown>: %d"), binding);
2916 return buff;
2917 }
2918 }
2919
2920 static char *
2921 get_symbol_type (type)
2922 unsigned int type;
2923 {
2924 static char buff [32];
2925
2926 switch (type)
2927 {
2928 case STT_NOTYPE: return _("NOTYPE");
2929 case STT_OBJECT: return _("OBJECT");
2930 case STT_FUNC: return _("FUNC");
2931 case STT_SECTION: return _("SECTION");
2932 case STT_FILE: return _("FILE");
2933 default:
2934 if (type >= STT_LOPROC && type <= STT_HIPROC)
2935 sprintf (buff, _("<processor specific>: %d"), type);
2936 else
2937 sprintf (buff, _("<unknown>: %d"), type);
2938 return buff;
2939 }
2940 }
2941
2942 static char *
2943 get_symbol_index_type (type)
2944 unsigned int type;
2945 {
2946 switch (type)
2947 {
2948 case SHN_UNDEF: return "UND";
2949 case SHN_ABS: return "ABS";
2950 case SHN_COMMON: return "COM";
2951 default:
2952 if (type >= SHN_LOPROC && type <= SHN_HIPROC)
2953 return "PRC";
2954 else if (type >= SHN_LORESERVE && type <= SHN_HIRESERVE)
2955 return "RSV";
2956 else
2957 {
2958 static char buff [32];
2959
2960 sprintf (buff, "%3d", type);
2961 return buff;
2962 }
2963 }
2964 }
2965
2966
2967 static int *
2968 get_dynamic_data (file, number)
2969 FILE * file;
2970 unsigned int number;
2971 {
2972 char * e_data;
2973 int * i_data;
2974
2975 e_data = (char *) malloc (number * 4);
2976
2977 if (e_data == NULL)
2978 {
2979 error (_("Out of memory\n"));
2980 return NULL;
2981 }
2982
2983 if (fread (e_data, 4, number, file) != number)
2984 {
2985 error (_("Unable to read in dynamic data\n"));
2986 return NULL;
2987 }
2988
2989 i_data = (int *) malloc (number * sizeof (* i_data));
2990
2991 if (i_data == NULL)
2992 {
2993 error (_("Out of memory\n"));
2994 free (e_data);
2995 return NULL;
2996 }
2997
2998 while (number--)
2999 i_data [number] = byte_get (e_data + number * 4, 4);
3000
3001 free (e_data);
3002
3003 return i_data;
3004 }
3005
3006 /* Dump the symbol table */
3007 static int
3008 process_symbol_table (file)
3009 FILE * file;
3010 {
3011 Elf32_Internal_Shdr * section;
3012
3013 if (! do_syms)
3014 return 1;
3015
3016 if (dynamic_info [DT_HASH] && do_using_dynamic && dynamic_strings != NULL)
3017 {
3018 char nb [4];
3019 char nc [4];
3020 int nbuckets;
3021 int nchains;
3022 int * buckets;
3023 int * chains;
3024 int hn;
3025 int si;
3026
3027 if (fseek (file, dynamic_info [DT_HASH] - loadaddr, SEEK_SET))
3028 {
3029 error (_("Unable to seek to start of dynamic information"));
3030 return 0;
3031 }
3032
3033 if (fread (& nb, sizeof (nb), 1, file) != 1)
3034 {
3035 error (_("Failed to read in number of buckets\n"));
3036 return 0;
3037 }
3038
3039 if (fread (& nc, sizeof (nc), 1, file) != 1)
3040 {
3041 error (_("Failed to read in number of chains\n"));
3042 return 0;
3043 }
3044
3045 nbuckets = byte_get (nb, 4);
3046 nchains = byte_get (nc, 4);
3047
3048 buckets = get_dynamic_data (file, nbuckets);
3049 chains = get_dynamic_data (file, nchains);
3050
3051 if (buckets == NULL || chains == NULL)
3052 return 0;
3053
3054 printf (_("\nSymbol table for image:\n"));
3055 printf (_(" Num Buc: Value Size Type Bind Ot Ndx Name\n"));
3056
3057 for (hn = 0; hn < nbuckets; hn++)
3058 {
3059 if (! buckets [hn])
3060 continue;
3061
3062 for (si = buckets [hn]; si; si = chains [si])
3063 {
3064 Elf_Internal_Sym * psym;
3065
3066 psym = dynamic_symbols + si;
3067
3068 printf (" %3d %3d: %8lx %5ld %6s %6s %2d ",
3069 si, hn,
3070 (unsigned long) psym->st_value,
3071 (unsigned long) psym->st_size,
3072 get_symbol_type (ELF_ST_TYPE (psym->st_info)),
3073 get_symbol_binding (ELF_ST_BIND (psym->st_info)),
3074 psym->st_other);
3075
3076 printf ("%3.3s", get_symbol_index_type (psym->st_shndx));
3077
3078 printf (" %s\n", dynamic_strings + psym->st_name);
3079 }
3080 }
3081
3082 free (buckets);
3083 free (chains);
3084 }
3085 else if (!do_using_dynamic)
3086 {
3087 unsigned int i;
3088
3089 for (i = 0, section = section_headers;
3090 i < elf_header.e_shnum;
3091 i++, section++)
3092 {
3093 unsigned int si;
3094 char * strtab;
3095 Elf_Internal_Sym * symtab;
3096 Elf_Internal_Sym * psym;
3097
3098
3099 if ( section->sh_type != SHT_SYMTAB
3100 && section->sh_type != SHT_DYNSYM)
3101 continue;
3102
3103 printf (_("\nSymbol table '%s' contains %d entries:\n"),
3104 SECTION_NAME (section),
3105 section->sh_size / section->sh_entsize);
3106 fputs (_(" Num: Value Size Type Bind Ot Ndx Name\n"),
3107 stdout);
3108
3109 symtab = get_elf_symbols (file, section->sh_offset,
3110 section->sh_size / section->sh_entsize);
3111 if (symtab == NULL)
3112 continue;
3113
3114 if (section->sh_link == elf_header.e_shstrndx)
3115 strtab = string_table;
3116 else
3117 {
3118 Elf32_Internal_Shdr * string_sec;
3119
3120 string_sec = section_headers + section->sh_link;
3121
3122 GET_DATA_ALLOC (string_sec->sh_offset, string_sec->sh_size,
3123 strtab, char *, "string table");
3124 }
3125
3126 for (si = 0, psym = symtab;
3127 si < section->sh_size / section->sh_entsize;
3128 si ++, psym ++)
3129 {
3130 printf (" %3d: %8lx %5ld %-7s %-6s %2d ",
3131 si,
3132 (unsigned long) psym->st_value,
3133 (unsigned long) psym->st_size,
3134 get_symbol_type (ELF_ST_TYPE (psym->st_info)),
3135 get_symbol_binding (ELF_ST_BIND (psym->st_info)),
3136 psym->st_other);
3137
3138 if (psym->st_shndx == 0)
3139 fputs (" UND", stdout);
3140 else if ((psym->st_shndx & 0xffff) == 0xfff1)
3141 fputs (" ABS", stdout);
3142 else if ((psym->st_shndx & 0xffff) == 0xfff2)
3143 fputs (" COM", stdout);
3144 else
3145 printf ("%4x", psym->st_shndx);
3146
3147 printf (" %s", strtab + psym->st_name);
3148
3149 if (section->sh_type == SHT_DYNSYM &&
3150 version_info [DT_VERSIONTAGIDX (DT_VERSYM)] != 0)
3151 {
3152 unsigned char data[2];
3153 unsigned short vers_data;
3154 unsigned long offset;
3155 int is_nobits;
3156 int check_def;
3157
3158 offset = version_info [DT_VERSIONTAGIDX (DT_VERSYM)]
3159 - loadaddr;
3160
3161 GET_DATA (offset + si * sizeof (vers_data), data,
3162 "version data");
3163
3164 vers_data = byte_get (data, 2);
3165
3166 is_nobits = psym->st_shndx < SHN_LORESERVE ?
3167 (section_headers [psym->st_shndx].sh_type == SHT_NOBITS)
3168 : 0;
3169
3170 check_def = (psym->st_shndx != SHN_UNDEF);
3171
3172 if ((vers_data & 0x8000) || vers_data > 1)
3173 {
3174 if (is_nobits || ! check_def)
3175 {
3176 Elf_External_Verneed evn;
3177 Elf_Internal_Verneed ivn;
3178 Elf_Internal_Vernaux ivna;
3179
3180 /* We must test both. */
3181 offset = version_info
3182 [DT_VERSIONTAGIDX (DT_VERNEED)] - loadaddr;
3183
3184 GET_DATA (offset, evn, "version need");
3185
3186 ivn.vn_aux = BYTE_GET (evn.vn_aux);
3187 ivn.vn_next = BYTE_GET (evn.vn_next);
3188
3189 do
3190 {
3191 unsigned long vna_off;
3192
3193 vna_off = offset + ivn.vn_aux;
3194
3195 do
3196 {
3197 Elf_External_Vernaux evna;
3198
3199 GET_DATA (vna_off, evna,
3200 "version need aux (3)");
3201
3202 ivna.vna_other = BYTE_GET (evna.vna_other);
3203 ivna.vna_next = BYTE_GET (evna.vna_next);
3204 ivna.vna_name = BYTE_GET (evna.vna_name);
3205
3206 vna_off += ivna.vna_next;
3207 }
3208 while (ivna.vna_other != vers_data
3209 && ivna.vna_next != 0);
3210
3211 if (ivna.vna_other == vers_data)
3212 break;
3213
3214 offset += ivn.vn_next;
3215 }
3216 while (ivn.vn_next != 0);
3217
3218 if (ivna.vna_other == vers_data)
3219 {
3220 printf ("@%s (%d)",
3221 strtab + ivna.vna_name, ivna.vna_other);
3222 check_def = 0;
3223 }
3224 else if (! is_nobits)
3225 error (_("bad dynamic symbol"));
3226 else
3227 check_def = 1;
3228 }
3229
3230 if (check_def)
3231 {
3232 if (vers_data != 0x8001)
3233 {
3234 Elf_Internal_Verdef ivd;
3235 Elf_Internal_Verdaux ivda;
3236 Elf_External_Verdaux evda;
3237 unsigned long offset;
3238
3239 offset =
3240 version_info [DT_VERSIONTAGIDX (DT_VERDEF)]
3241 - loadaddr;
3242
3243 do
3244 {
3245 Elf_External_Verdef evd;
3246
3247 GET_DATA (offset, evd, "version def");
3248
3249 ivd.vd_ndx = BYTE_GET (evd.vd_ndx);
3250 ivd.vd_aux = BYTE_GET (evd.vd_aux);
3251 ivd.vd_next = BYTE_GET (evd.vd_next);
3252
3253 offset += ivd.vd_next;
3254 }
3255 while (ivd.vd_ndx != (vers_data & 0x7fff)
3256 && ivd.vd_next != 0);
3257
3258 offset -= ivd.vd_next;
3259 offset += ivd.vd_aux;
3260
3261 GET_DATA (offset, evda, "version def aux");
3262
3263 ivda.vda_name = BYTE_GET (evda.vda_name);
3264
3265 if (psym->st_name != ivda.vda_name)
3266 printf ((vers_data & 0x8000)
3267 ? "@%s" : "@@%s",
3268 strtab + ivda.vda_name);
3269 }
3270 }
3271 }
3272 }
3273
3274 putchar ('\n');
3275 }
3276
3277 free (symtab);
3278 if (strtab != string_table)
3279 free (strtab);
3280 }
3281 }
3282 else
3283 printf
3284 (_("\nDynamic symbol information is not available for displaying symbols.\n"));
3285
3286 return 1;
3287 }
3288
3289 static int
3290 process_section_contents (file)
3291 FILE * file;
3292 {
3293 Elf32_Internal_Shdr * section;
3294 unsigned int i;
3295
3296 if (! do_dump)
3297 return 1;
3298
3299 for (i = 0, section = section_headers;
3300 i < elf_header.e_shnum;
3301 i ++, section ++)
3302 {
3303 #ifdef SUPPORT_DISASSEMBLY
3304 /* See if we need an assembly dump of this section */
3305
3306 if ((i < NUM_DUMP_SECTS) && (dump_sects[i] & DISASS_DUMP))
3307 {
3308 printf (_("\nAssembly dump of section %s\n"),
3309 SECTION_NAME (section));
3310
3311 /* XXX -- to be done --- XXX */
3312 }
3313 #endif
3314 /* See if we need a hex dump of this section. */
3315 if ((i < NUM_DUMP_SECTS) && (dump_sects[i] & HEX_DUMP))
3316 {
3317 int bytes;
3318 int addr;
3319 unsigned char * data;
3320 char * start;
3321
3322 printf (_("\nHex dump of section '%s':\n"), SECTION_NAME (section));
3323
3324 bytes = section->sh_size;
3325 addr = section->sh_addr;
3326
3327 GET_DATA_ALLOC (section->sh_offset, bytes, start, char *,
3328 "section data");
3329
3330 data = start;
3331
3332 while (bytes)
3333 {
3334 int j;
3335 int k;
3336 int lbytes;
3337
3338 lbytes = (bytes > 16 ? 16 : bytes);
3339
3340 printf (" 0x%8.8x ", addr);
3341
3342 switch (elf_header.e_ident [EI_DATA])
3343 {
3344 case ELFDATA2LSB:
3345 for (j = 15; j >= 0; j --)
3346 {
3347 if (j < lbytes)
3348 printf ("%2.2x", data [j]);
3349 else
3350 printf (" ");
3351
3352 if (!(j & 0x3))
3353 printf (" ");
3354 }
3355 break;
3356
3357 case ELFDATA2MSB:
3358 for (j = 0; j < 16; j++)
3359 {
3360 if (j < lbytes)
3361 printf ("%2.2x", data [j]);
3362 else
3363 printf (" ");
3364
3365 if ((j & 3) == 3)
3366 printf (" ");
3367 }
3368 break;
3369 }
3370
3371 for (j = 0; j < lbytes; j++)
3372 {
3373 k = data [j];
3374 if (k >= ' ' && k < 0x80)
3375 printf ("%c", k);
3376 else
3377 printf (".");
3378 }
3379
3380 putchar ('\n');
3381
3382 data += lbytes;
3383 addr += lbytes;
3384 bytes -= lbytes;
3385 }
3386
3387 free (start);
3388 }
3389 }
3390
3391 return 1;
3392 }
3393
3394 static void
3395 process_mips_fpe_exception (mask)
3396 int mask;
3397 {
3398 if (mask)
3399 {
3400 int first = 1;
3401 if (mask & OEX_FPU_INEX)
3402 fputs ("INEX", stdout), first = 0;
3403 if (mask & OEX_FPU_UFLO)
3404 printf ("%sUFLO", first ? "" : "|"), first = 0;
3405 if (mask & OEX_FPU_OFLO)
3406 printf ("%sOFLO", first ? "" : "|"), first = 0;
3407 if (mask & OEX_FPU_DIV0)
3408 printf ("%sDIV0", first ? "" : "|"), first = 0;
3409 if (mask & OEX_FPU_INVAL)
3410 printf ("%sINVAL", first ? "" : "|");
3411 }
3412 else
3413 fputs ("0", stdout);
3414 }
3415
3416 static int
3417 process_mips_specific (file)
3418 FILE *file;
3419 {
3420 Elf_Internal_Dyn * entry;
3421 size_t liblist_offset = 0;
3422 size_t liblistno = 0;
3423 size_t options_offset = 0;
3424
3425 /* We have a lot of special sections. Thanks SGI! */
3426 if (dynamic_segment == NULL)
3427 /* No information available. */
3428 return 0;
3429
3430 for (entry = dynamic_segment; entry->d_tag != DT_NULL; ++entry)
3431 switch (entry->d_tag)
3432 {
3433 case DT_MIPS_LIBLIST:
3434 liblist_offset = entry->d_un.d_val - loadaddr;
3435 break;
3436 case DT_MIPS_LIBLISTNO:
3437 liblistno = entry->d_un.d_val;
3438 break;
3439 case DT_MIPS_OPTIONS:
3440 options_offset = entry->d_un.d_val - loadaddr;
3441 break;
3442 default:
3443 break;
3444 }
3445
3446 if (liblist_offset != 0 && liblistno != 0 && do_dynamic)
3447 {
3448 Elf32_External_Lib *elib;
3449 size_t cnt;
3450
3451 GET_DATA_ALLOC (liblist_offset, liblistno * sizeof (Elf32_External_Lib),
3452 elib, Elf32_External_Lib *, "liblist");
3453
3454 printf ("\nSection '.liblist' contains %d entries:\n", liblistno);
3455 fputs (" Library Time Stamp Checksum Version Flags\n",
3456 stdout);
3457
3458 for (cnt = 0; cnt < liblistno; ++cnt)
3459 {
3460 Elf32_Lib liblist;
3461 time_t time;
3462 char timebuf[17];
3463
3464 liblist.l_name = BYTE_GET (elib[cnt].l_name);
3465 time = BYTE_GET (elib[cnt].l_time_stamp);
3466 liblist.l_checksum = BYTE_GET (elib[cnt].l_checksum);
3467 liblist.l_version = BYTE_GET (elib[cnt].l_version);
3468 liblist.l_flags = BYTE_GET (elib[cnt].l_flags);
3469
3470 strftime (timebuf, 17, "%Y-%m-%dT%H:%M", gmtime (&time));
3471
3472 printf ("%3d: %-20s %s %#10lx %-7ld %#lx\n", cnt,
3473 dynamic_strings + liblist.l_name, timebuf,
3474 liblist.l_checksum, liblist.l_version, liblist.l_flags);
3475 }
3476
3477 free (elib);
3478 }
3479
3480 if (options_offset != 0)
3481 {
3482 Elf_External_Options *eopt;
3483 Elf_Internal_Shdr *sect = section_headers;
3484 Elf_Internal_Options *iopt;
3485 Elf_Internal_Options *option;
3486 size_t offset;
3487 int cnt;
3488
3489 /* Find the section header so that we get the size. */
3490 while (sect->sh_type != SHT_MIPS_OPTIONS)
3491 ++sect;
3492
3493 GET_DATA_ALLOC (options_offset, sect->sh_size, eopt,
3494 Elf_External_Options *, "options");
3495
3496 iopt = (Elf_Internal_Options *) malloc ((sect->sh_size / sizeof (eopt))
3497 * sizeof (*iopt));
3498 if (iopt == NULL)
3499 {
3500 error (_("Out of memory"));
3501 return 0;
3502 }
3503
3504 offset = cnt = 0;
3505 option = iopt;
3506 while (offset < sect->sh_size)
3507 {
3508 Elf_External_Options *eoption;
3509
3510 eoption = (Elf_External_Options *) ((char *) eopt + offset);
3511
3512 option->kind = BYTE_GET (eoption->kind);
3513 option->size = BYTE_GET (eoption->size);
3514 option->section = BYTE_GET (eoption->section);
3515 option->info = BYTE_GET (eoption->info);
3516
3517 offset += option->size;
3518 ++option;
3519 ++cnt;
3520 }
3521
3522 printf (_("\nSection '%s' contains %d entries:\n"),
3523 string_table + sect->sh_name, cnt);
3524
3525 option = iopt;
3526 while (cnt-- > 0)
3527 {
3528 size_t len;
3529
3530 switch (option->kind)
3531 {
3532 case ODK_NULL:
3533 /* This shouldn't happen. */
3534 printf (" NULL %d %x", option->section, option->info);
3535 break;
3536 case ODK_REGINFO:
3537 printf (" REGINFO ");
3538 if (elf_header.e_machine == EM_MIPS)
3539 {
3540 /* 32bit form. */
3541 Elf32_External_RegInfo *ereg;
3542 Elf32_RegInfo reginfo;
3543
3544 ereg = (Elf32_External_RegInfo *) (option + 1);
3545 reginfo.ri_gprmask = BYTE_GET (ereg->ri_gprmask);
3546 reginfo.ri_cprmask[0] = BYTE_GET (ereg->ri_cprmask[0]);
3547 reginfo.ri_cprmask[1] = BYTE_GET (ereg->ri_cprmask[1]);
3548 reginfo.ri_cprmask[2] = BYTE_GET (ereg->ri_cprmask[2]);
3549 reginfo.ri_cprmask[3] = BYTE_GET (ereg->ri_cprmask[3]);
3550 reginfo.ri_gp_value = BYTE_GET (ereg->ri_gp_value);
3551
3552 printf ("GPR %08lx GP %ld\n",
3553 reginfo.ri_gprmask, reginfo.ri_gp_value);
3554 printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n",
3555 reginfo.ri_cprmask[0], reginfo.ri_cprmask[1],
3556 reginfo.ri_cprmask[2], reginfo.ri_cprmask[3]);
3557 }
3558 else
3559 {
3560 /* 64 bit form. */
3561 Elf64_External_RegInfo *ereg;
3562 Elf64_Internal_RegInfo reginfo;
3563
3564 ereg = (Elf64_External_RegInfo *) (option + 1);
3565 reginfo.ri_gprmask = BYTE_GET (ereg->ri_gprmask);
3566 reginfo.ri_cprmask[0] = BYTE_GET (ereg->ri_cprmask[0]);
3567 reginfo.ri_cprmask[1] = BYTE_GET (ereg->ri_cprmask[1]);
3568 reginfo.ri_cprmask[2] = BYTE_GET (ereg->ri_cprmask[2]);
3569 reginfo.ri_cprmask[3] = BYTE_GET (ereg->ri_cprmask[3]);
3570 reginfo.ri_gp_value = BYTE_GET (ereg->ri_gp_value);
3571
3572 printf ("GPR %08lx GP %ld\n",
3573 reginfo.ri_gprmask, reginfo.ri_gp_value);
3574 printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n",
3575 reginfo.ri_cprmask[0], reginfo.ri_cprmask[1],
3576 reginfo.ri_cprmask[2], reginfo.ri_cprmask[3]);
3577 }
3578 ++option;
3579 continue;
3580 case ODK_EXCEPTIONS:
3581 fputs (" EXCEPTIONS fpe_min(", stdout);
3582 process_mips_fpe_exception (option->info & OEX_FPU_MIN);
3583 fputs (") fpe_max(", stdout);
3584 process_mips_fpe_exception ((option->info & OEX_FPU_MAX) >> 8);
3585 fputs (")", stdout);
3586
3587 if (option->info & OEX_PAGE0)
3588 fputs (" PAGE0", stdout);
3589 if (option->info & OEX_SMM)
3590 fputs (" SMM", stdout);
3591 if (option->info & OEX_FPDBUG)
3592 fputs (" FPDBUG", stdout);
3593 if (option->info & OEX_DISMISS)
3594 fputs (" DISMISS", stdout);
3595 break;
3596 case ODK_PAD:
3597 fputs (" PAD ", stdout);
3598 if (option->info & OPAD_PREFIX)
3599 fputs (" PREFIX", stdout);
3600 if (option->info & OPAD_POSTFIX)
3601 fputs (" POSTFIX", stdout);
3602 if (option->info & OPAD_SYMBOL)
3603 fputs (" SYMBOL", stdout);
3604 break;
3605 case ODK_HWPATCH:
3606 fputs (" HWPATCH ", stdout);
3607 if (option->info & OHW_R4KEOP)
3608 fputs (" R4KEOP", stdout);
3609 if (option->info & OHW_R8KPFETCH)
3610 fputs (" R8KPFETCH", stdout);
3611 if (option->info & OHW_R5KEOP)
3612 fputs (" R5KEOP", stdout);
3613 if (option->info & OHW_R5KCVTL)
3614 fputs (" R5KCVTL", stdout);
3615 break;
3616 case ODK_FILL:
3617 fputs (" FILL ", stdout);
3618 /* XXX Print content of info word? */
3619 break;
3620 case ODK_TAGS:
3621 fputs (" TAGS ", stdout);
3622 /* XXX Print content of info word? */
3623 break;
3624 case ODK_HWAND:
3625 fputs (" HWAND ", stdout);
3626 if (option->info & OHWA0_R4KEOP_CHECKED)
3627 fputs (" R4KEOP_CHECKED", stdout);
3628 if (option->info & OHWA0_R4KEOP_CLEAN)
3629 fputs (" R4KEOP_CLEAN", stdout);
3630 break;
3631 case ODK_HWOR:
3632 fputs (" HWOR ", stdout);
3633 if (option->info & OHWA0_R4KEOP_CHECKED)
3634 fputs (" R4KEOP_CHECKED", stdout);
3635 if (option->info & OHWA0_R4KEOP_CLEAN)
3636 fputs (" R4KEOP_CLEAN", stdout);
3637 break;
3638 case ODK_GP_GROUP:
3639 printf (" GP_GROUP %#06x self-contained %#06x",
3640 option->info & OGP_GROUP,
3641 (option->info & OGP_SELF) >> 16);
3642 break;
3643 case ODK_IDENT:
3644 printf (" IDENT %#06x self-contained %#06x",
3645 option->info & OGP_GROUP,
3646 (option->info & OGP_SELF) >> 16);
3647 break;
3648 default:
3649 /* This shouldn't happen. */
3650 printf (" %3d ??? %d %x",
3651 option->kind, option->section, option->info);
3652 break;
3653 }
3654
3655 len = sizeof (*eopt);
3656 while (len < option->size)
3657 if (((char *) option)[len] >= ' '
3658 && ((char *) option)[len] < 0x7f)
3659 printf ("%c", ((char *) option)[len++]);
3660 else
3661 printf ("\\%03o", ((char *) option)[len++]);
3662
3663 fputs ("\n", stdout);
3664 ++option;
3665 }
3666
3667 free (eopt);
3668 }
3669
3670 return 1;
3671 }
3672
3673 static int
3674 process_arch_specific (file)
3675 FILE *file;
3676 {
3677 switch (elf_header.e_machine)
3678 {
3679 case EM_MIPS:
3680 case EM_MIPS_RS4_BE:
3681 return process_mips_specific (file);
3682 break;
3683 default:
3684 break;
3685 }
3686 return 1;
3687 }
3688
3689 static int
3690 get_file_header (file)
3691 FILE * file;
3692 {
3693 Elf32_External_Ehdr ehdr;
3694
3695 if (fread (& ehdr, sizeof (ehdr), 1, file) != 1)
3696 return 0;
3697
3698 memcpy (elf_header.e_ident, ehdr.e_ident, EI_NIDENT);
3699
3700 if (elf_header.e_ident [EI_DATA] == ELFDATA2LSB)
3701 byte_get = byte_get_little_endian;
3702 else
3703 byte_get = byte_get_big_endian;
3704
3705 elf_header.e_entry = BYTE_GET (ehdr.e_entry);
3706 elf_header.e_phoff = BYTE_GET (ehdr.e_phoff);
3707 elf_header.e_shoff = BYTE_GET (ehdr.e_shoff);
3708 elf_header.e_version = BYTE_GET (ehdr.e_version);
3709 elf_header.e_flags = BYTE_GET (ehdr.e_flags);
3710 elf_header.e_type = BYTE_GET (ehdr.e_type);
3711 elf_header.e_machine = BYTE_GET (ehdr.e_machine);
3712 elf_header.e_ehsize = BYTE_GET (ehdr.e_ehsize);
3713 elf_header.e_phentsize = BYTE_GET (ehdr.e_phentsize);
3714 elf_header.e_phnum = BYTE_GET (ehdr.e_phnum);
3715 elf_header.e_shentsize = BYTE_GET (ehdr.e_shentsize);
3716 elf_header.e_shnum = BYTE_GET (ehdr.e_shnum);
3717 elf_header.e_shstrndx = BYTE_GET (ehdr.e_shstrndx);
3718
3719 return 1;
3720 }
3721
3722 static void
3723 process_file (file_name)
3724 char * file_name;
3725 {
3726 FILE * file;
3727 struct stat statbuf;
3728 unsigned int i;
3729
3730 if (stat (file_name, & statbuf) < 0)
3731 {
3732 error (_("Cannot stat input file %s.\n"), file_name);
3733 return;
3734 }
3735
3736 file = fopen (file_name, "rb");
3737 if (file == NULL)
3738 {
3739 error (_("Input file %s not found.\n"), file_name);
3740 return;
3741 }
3742
3743 if (! get_file_header (file))
3744 {
3745 error (_("%s: Failed to read file header\n"), file_name);
3746 fclose (file);
3747 return;
3748 }
3749
3750 /* Initialise per file variables. */
3751 for (i = NUM_ELEM (version_info); i--;)
3752 version_info [i] = 0;
3753
3754 for (i = NUM_ELEM (dynamic_info); i--;)
3755 dynamic_info [i] = 0;
3756
3757
3758 /* Process the file. */
3759 if (show_name)
3760 printf (_("\nFile: %s\n"), file_name);
3761
3762 if (! process_file_header ())
3763 {
3764 fclose (file);
3765 return;
3766 }
3767
3768 process_section_headers (file);
3769
3770 process_program_headers (file);
3771
3772 process_dynamic_segment (file);
3773
3774 process_relocs (file);
3775
3776 process_symbol_table (file);
3777
3778 process_version_sections (file);
3779
3780 process_section_contents (file);
3781
3782 process_arch_specific (file);
3783
3784 fclose (file);
3785
3786 if (section_headers)
3787 {
3788 free (section_headers);
3789 section_headers = NULL;
3790 }
3791
3792 if (string_table)
3793 {
3794 free (string_table);
3795 string_table = NULL;
3796 }
3797
3798 if (dynamic_strings)
3799 {
3800 free (dynamic_strings);
3801 dynamic_strings = NULL;
3802 }
3803
3804 if (dynamic_symbols)
3805 {
3806 free (dynamic_symbols);
3807 dynamic_symbols = NULL;
3808 }
3809 }
3810
3811 #ifdef SUPPORT_DISASSEMBLY
3812 /* Needed by the i386 disassembler. For extra credit, someone could
3813 fix this so that we insert symbolic addresses here, esp for GOT/PLT
3814 symbols */
3815
3816 void
3817 print_address (unsigned int addr, FILE * outfile)
3818 {
3819 fprintf (outfile,"0x%8.8x", addr);
3820 }
3821
3822 /* Needed by the i386 disassembler. */
3823 void
3824 db_task_printsym (unsigned int addr)
3825 {
3826 print_address (addr, stderr);
3827 }
3828 #endif
3829
3830 int
3831 main (argc, argv)
3832 int argc;
3833 char ** argv;
3834 {
3835 parse_args (argc, argv);
3836
3837 if (optind < (argc - 1))
3838 show_name = 1;
3839
3840 while (optind < argc)
3841 process_file (argv [optind ++]);
3842
3843 return 0;
3844 }
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