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1 /* readelf.c -- display contents of an ELF format file
2 Copyright (C) 1998, 99, 2000 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/types.h>
27 #include <sys/stat.h>
28 #include <stdio.h>
29 #include <time.h>
30
31 #if __GNUC__ >= 2
32 /* Define BFD64 here, even if our default architecture is 32 bit ELF
33 as this will allow us to read in and parse 64bit and 32bit ELF files.
34 Only do this if we belive that the compiler can support a 64 bit
35 data type. For now we only rely on GCC being able to do this. */
36 #define BFD64
37 #endif
38
39 #include "bfd.h"
40
41 #include "elf/common.h"
42 #include "elf/external.h"
43 #include "elf/internal.h"
44 #include "elf/dwarf2.h"
45
46 /* The following headers use the elf/reloc-macros.h file to
47 automatically generate relocation recognition functions
48 such as elf_mips_reloc_type() */
49
50 #define RELOC_MACROS_GEN_FUNC
51
52 #include "elf/i386.h"
53 #include "elf/v850.h"
54 #include "elf/ppc.h"
55 #include "elf/mips.h"
56 #include "elf/alpha.h"
57 #include "elf/arm.h"
58 #include "elf/m68k.h"
59 #include "elf/sparc.h"
60 #include "elf/m32r.h"
61 #include "elf/d10v.h"
62 #include "elf/d30v.h"
63 #include "elf/sh.h"
64 #include "elf/mn10200.h"
65 #include "elf/mn10300.h"
66 #include "elf/hppa.h"
67 #include "elf/arc.h"
68 #include "elf/fr30.h"
69 #include "elf/mcore.h"
70 #include "elf/i960.h"
71 #include "elf/pj.h"
72 #include "elf/avr.h"
73
74 #include "bucomm.h"
75 #include "getopt.h"
76
77 #ifdef ANSI_PROTOTYPES
78 #include <stdarg.h>
79 #else
80 #include <varargs.h>
81 #endif
82
83 char * program_name = "readelf";
84 unsigned int dynamic_addr;
85 bfd_size_type dynamic_size;
86 unsigned int rela_addr;
87 unsigned int rela_size;
88 char * dynamic_strings;
89 char * string_table;
90 unsigned long num_dynamic_syms;
91 Elf_Internal_Sym * dynamic_symbols;
92 Elf_Internal_Syminfo * dynamic_syminfo;
93 unsigned long dynamic_syminfo_offset;
94 unsigned int dynamic_syminfo_nent;
95 char program_interpreter [64];
96 int dynamic_info[DT_JMPREL + 1];
97 int version_info[16];
98 int loadaddr = 0;
99 Elf_Internal_Ehdr elf_header;
100 Elf_Internal_Shdr * section_headers;
101 Elf_Internal_Dyn * dynamic_segment;
102 int show_name;
103 int do_dynamic;
104 int do_syms;
105 int do_reloc;
106 int do_sections;
107 int do_segments;
108 int do_using_dynamic;
109 int do_header;
110 int do_dump;
111 int do_version;
112 int do_histogram;
113 int do_debugging;
114 int do_debug_info;
115 int do_debug_abbrevs;
116 int do_debug_lines;
117 int do_debug_pubnames;
118 int do_debug_aranges;
119 int do_arch;
120 int do_notes;
121 int is_32bit_elf;
122
123 /* A dynamic array of flags indicating which sections require dumping. */
124 char * dump_sects = NULL;
125 unsigned int num_dump_sects = 0;
126
127 #define HEX_DUMP (1 << 0)
128 #define DISASS_DUMP (1 << 1)
129 #define DEBUG_DUMP (1 << 2)
130
131 /* How to rpint a vma value. */
132 typedef enum print_mode
133 {
134 HEX,
135 DEC,
136 DEC_5,
137 UNSIGNED,
138 PREFIX_HEX,
139 FULL_HEX,
140 LONG_HEX
141 }
142 print_mode;
143
144 /* Forward declarations for dumb compilers. */
145 static void print_vma PARAMS ((bfd_vma, print_mode));
146 static bfd_vma (* byte_get) PARAMS ((unsigned char *, int));
147 static bfd_vma byte_get_little_endian PARAMS ((unsigned char *, int));
148 static bfd_vma byte_get_big_endian PARAMS ((unsigned char *, int));
149 static const char * get_mips_dynamic_type PARAMS ((unsigned long));
150 static const char * get_sparc64_dynamic_type PARAMS ((unsigned long));
151 static const char * get_parisc_dynamic_type PARAMS ((unsigned long));
152 static const char * get_dynamic_type PARAMS ((unsigned long));
153 static int dump_relocations PARAMS ((FILE *, unsigned long, unsigned long, Elf_Internal_Sym *, unsigned long, char *, int));
154 static char * get_file_type PARAMS ((unsigned));
155 static char * get_machine_name PARAMS ((unsigned));
156 static void decode_ARM_machine_flags PARAMS ((unsigned, char []));
157 static char * get_machine_flags PARAMS ((unsigned, unsigned));
158 static const char * get_mips_segment_type PARAMS ((unsigned long));
159 static const char * get_parisc_segment_type PARAMS ((unsigned long));
160 static const char * get_segment_type PARAMS ((unsigned long));
161 static const char * get_mips_section_type_name PARAMS ((unsigned int));
162 static const char * get_parisc_section_type_name PARAMS ((unsigned int));
163 static const char * get_section_type_name PARAMS ((unsigned int));
164 static const char * get_symbol_binding PARAMS ((unsigned int));
165 static const char * get_symbol_type PARAMS ((unsigned int));
166 static const char * get_symbol_visibility PARAMS ((unsigned int));
167 static const char * get_symbol_index_type PARAMS ((unsigned int));
168 static const char * get_dynamic_flags PARAMS ((bfd_vma));
169 static void usage PARAMS ((void));
170 static void parse_args PARAMS ((int, char **));
171 static int process_file_header PARAMS ((void));
172 static int process_program_headers PARAMS ((FILE *));
173 static int process_section_headers PARAMS ((FILE *));
174 static void dynamic_segment_mips_val PARAMS ((Elf_Internal_Dyn *));
175 static void dynamic_segment_parisc_val PARAMS ((Elf_Internal_Dyn *));
176 static int process_dynamic_segment PARAMS ((FILE *));
177 static int process_symbol_table PARAMS ((FILE *));
178 static int process_section_contents PARAMS ((FILE *));
179 static void process_file PARAMS ((char *));
180 static int process_relocs PARAMS ((FILE *));
181 static int process_version_sections PARAMS ((FILE *));
182 static char * get_ver_flags PARAMS ((unsigned int));
183 static int get_32bit_section_headers PARAMS ((FILE *));
184 static int get_64bit_section_headers PARAMS ((FILE *));
185 static int get_32bit_program_headers PARAMS ((FILE *, Elf_Internal_Phdr *));
186 static int get_64bit_program_headers PARAMS ((FILE *, Elf_Internal_Phdr *));
187 static int get_file_header PARAMS ((FILE *));
188 static Elf_Internal_Sym * get_32bit_elf_symbols PARAMS ((FILE *, unsigned long, unsigned long));
189 static Elf_Internal_Sym * get_64bit_elf_symbols PARAMS ((FILE *, unsigned long, unsigned long));
190 static int * get_dynamic_data PARAMS ((FILE *, unsigned int));
191 static int get_32bit_dynamic_segment PARAMS ((FILE *));
192 static int get_64bit_dynamic_segment PARAMS ((FILE *));
193 #ifdef SUPPORT_DISASSEMBLY
194 static int disassemble_section PARAMS ((Elf32_Internal_Shdr *, FILE *));
195 #endif
196 static int dump_section PARAMS ((Elf32_Internal_Shdr *, FILE *));
197 static int display_debug_section PARAMS ((Elf32_Internal_Shdr *, FILE *));
198 static int display_debug_info PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
199 static int display_debug_not_supported PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
200 static int display_debug_lines PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
201 static int display_debug_abbrev PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
202 static int display_debug_aranges PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
203 static unsigned char * process_abbrev_section PARAMS ((unsigned char *, unsigned char *));
204 static unsigned long read_leb128 PARAMS ((unsigned char *, int *, int));
205 static int process_extended_line_op PARAMS ((unsigned char *, int, int));
206 static void reset_state_machine PARAMS ((int));
207 static char * get_TAG_name PARAMS ((unsigned long));
208 static char * get_AT_name PARAMS ((unsigned long));
209 static char * get_FORM_name PARAMS ((unsigned long));
210 static void free_abbrevs PARAMS ((void));
211 static void add_abbrev PARAMS ((unsigned long, unsigned long, int));
212 static void add_abbrev_attr PARAMS ((unsigned long, unsigned long));
213 static unsigned char * read_and_display_attr PARAMS ((unsigned long, unsigned long, unsigned char *, unsigned long, unsigned long));
214 static unsigned char * display_block PARAMS ((unsigned char *, unsigned long));
215 static void decode_location_expression PARAMS ((unsigned char *, unsigned int, unsigned long));
216 static void request_dump PARAMS ((unsigned int, char));
217 static const char * get_elf_class PARAMS ((unsigned char));
218 static const char * get_data_encoding PARAMS ((unsigned char));
219 static const char * get_osabi_name PARAMS ((unsigned char));
220 static int guess_is_rela PARAMS ((unsigned long));
221 static char * get_note_type PARAMS ((unsigned int));
222 static int process_note PARAMS ((Elf32_Internal_Note *));
223 static int process_corefile_note_segment PARAMS ((FILE *, bfd_vma, bfd_vma));
224 static int process_corefile_note_segments PARAMS ((FILE *));
225 static int process_corefile_contents PARAMS ((FILE *));
226
227 typedef int Elf32_Word;
228
229 #ifndef TRUE
230 #define TRUE 1
231 #define FALSE 0
232 #endif
233 #define UNKNOWN -1
234
235 #define SECTION_NAME(X) (string_table + (X)->sh_name)
236
237 #define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */
238
239 #define BYTE_GET(field) byte_get (field, sizeof (field))
240
241 /* If we can support a 64 bit data type then BFD64 should be defined
242 and sizeof (bfd_vma) == 8. In this case when translating from an
243 external 8 byte field to an internal field, we can assume that the
244 internal field is also 8 bytes wide and so we can extact all the data.
245 If, however, BFD64 is not defined, then we must assume that the
246 internal data structure only has 4 byte wide fields that are the
247 equivalent of the 8 byte wide external counterparts, and so we must
248 truncate the data. */
249 #ifdef BFD64
250 #define BYTE_GET8(field) byte_get (field, -8)
251 #else
252 #define BYTE_GET8(field) byte_get (field, 8)
253 #endif
254
255 #define NUM_ELEM(array) (sizeof (array) / sizeof ((array)[0]))
256
257 #define GET_DATA_ALLOC(offset, size, var, type, reason) \
258 if (fseek (file, offset, SEEK_SET)) \
259 { \
260 error (_("Unable to seek to start of %s at %x\n"), reason, offset); \
261 return 0; \
262 } \
263 \
264 var = (type) malloc (size); \
265 \
266 if (var == NULL) \
267 { \
268 error (_("Out of memory allocating %d bytes for %s\n"), size, reason); \
269 return 0; \
270 } \
271 \
272 if (fread (var, size, 1, file) != 1) \
273 { \
274 error (_("Unable to read in %d bytes of %s\n"), size, reason); \
275 free (var); \
276 var = NULL; \
277 return 0; \
278 }
279
280
281 #define GET_DATA(offset, var, reason) \
282 if (fseek (file, offset, SEEK_SET)) \
283 { \
284 error (_("Unable to seek to %x for %s\n"), offset, reason); \
285 return 0; \
286 } \
287 else if (fread (& var, sizeof (var), 1, file) != 1) \
288 { \
289 error (_("Unable to read data at %x for %s\n"), offset, reason); \
290 return 0; \
291 }
292
293 #define GET_ELF_SYMBOLS(file, offset, size) \
294 (is_32bit_elf ? get_32bit_elf_symbols (file, offset, size) \
295 : get_64bit_elf_symbols (file, offset, size))
296
297
298 #ifdef ANSI_PROTOTYPES
299 static void
300 error (const char * message, ...)
301 {
302 va_list args;
303
304 fprintf (stderr, _("%s: Error: "), program_name);
305 va_start (args, message);
306 vfprintf (stderr, message, args);
307 va_end (args);
308 return;
309 }
310
311 static void
312 warn (const char * message, ...)
313 {
314 va_list args;
315
316 fprintf (stderr, _("%s: Warning: "), program_name);
317 va_start (args, message);
318 vfprintf (stderr, message, args);
319 va_end (args);
320 return;
321 }
322 #else
323 static void
324 error (va_alist)
325 va_dcl
326 {
327 char * message;
328 va_list args;
329
330 fprintf (stderr, _("%s: Error: "), program_name);
331 va_start (args);
332 message = va_arg (args, char *);
333 vfprintf (stderr, message, args);
334 va_end (args);
335 return;
336 }
337
338 static void
339 warn (va_alist)
340 va_dcl
341 {
342 char * message;
343 va_list args;
344
345 fprintf (stderr, _("%s: Warning: "), program_name);
346 va_start (args);
347 message = va_arg (args, char *);
348 vfprintf (stderr, message, args);
349 va_end (args);
350 return;
351 }
352 #endif
353
354 static bfd_vma
355 byte_get_little_endian (field, size)
356 unsigned char * field;
357 int size;
358 {
359 switch (size)
360 {
361 case 1:
362 return * field;
363
364 case 2:
365 return ((unsigned int) (field [0]))
366 | (((unsigned int) (field [1])) << 8);
367
368 case 8:
369 /* We want to extract data from an 8 byte wide field and
370 place it into a 4 byte wide field. Since this is a little
371 endian source we can juts use the 4 byte extraction code. */
372 /* Fall through. */
373 case 4:
374 return ((unsigned long) (field [0]))
375 | (((unsigned long) (field [1])) << 8)
376 | (((unsigned long) (field [2])) << 16)
377 | (((unsigned long) (field [3])) << 24);
378
379 #ifdef BFD64
380 case -8:
381 /* This is a special case, generated by the BYTE_GET8 macro.
382 It means that we are loading an 8 byte value from a field
383 in an external structure into an 8 byte value in a field
384 in an internal strcuture. */
385 return ((bfd_vma) (field [0]))
386 | (((bfd_vma) (field [1])) << 8)
387 | (((bfd_vma) (field [2])) << 16)
388 | (((bfd_vma) (field [3])) << 24)
389 | (((bfd_vma) (field [4])) << 32)
390 | (((bfd_vma) (field [5])) << 40)
391 | (((bfd_vma) (field [6])) << 48)
392 | (((bfd_vma) (field [7])) << 56);
393 #endif
394 default:
395 error (_("Unhandled data length: %d\n"), size);
396 abort ();
397 }
398 }
399
400 /* Print a VMA value. */
401 static void
402 print_vma (vma, mode)
403 bfd_vma vma;
404 print_mode mode;
405 {
406 #ifdef BFD64
407 if (is_32bit_elf)
408 #endif
409 {
410 switch (mode)
411 {
412 case FULL_HEX: printf ("0x"); /* drop through */
413 case LONG_HEX: printf ("%8.8lx", (unsigned long) vma); break;
414 case PREFIX_HEX: printf ("0x"); /* drop through */
415 case HEX: printf ("%lx", (unsigned long) vma); break;
416 case DEC: printf ("%ld", (unsigned long) vma); break;
417 case DEC_5: printf ("%5ld", (long) vma); break;
418 case UNSIGNED: printf ("%lu", (unsigned long) vma); break;
419 }
420 }
421 #ifdef BFD64
422 else
423 {
424 switch (mode)
425 {
426 case FULL_HEX:
427 printf ("0x");
428 /* drop through */
429
430 case LONG_HEX:
431 printf_vma (vma);
432 break;
433
434 case PREFIX_HEX:
435 printf ("0x");
436 /* drop through */
437
438 case HEX:
439 #if BFD_HOST_64BIT_LONG
440 printf ("%lx", vma);
441 #else
442 if (_bfd_int64_high (vma))
443 printf ("%lx%lx", _bfd_int64_high (vma), _bfd_int64_low (vma));
444 else
445 printf ("%lx", _bfd_int64_low (vma));
446 #endif
447 break;
448
449 case DEC:
450 #if BFD_HOST_64BIT_LONG
451 printf ("%ld", vma);
452 #else
453 if (_bfd_int64_high (vma))
454 /* ugg */
455 printf ("++%ld", _bfd_int64_low (vma));
456 else
457 printf ("%ld", _bfd_int64_low (vma));
458 #endif
459 break;
460
461 case DEC_5:
462 #if BFD_HOST_64BIT_LONG
463 printf ("%5ld", vma);
464 #else
465 if (_bfd_int64_high (vma))
466 /* ugg */
467 printf ("++%ld", _bfd_int64_low (vma));
468 else
469 printf ("%5ld", _bfd_int64_low (vma));
470 #endif
471 break;
472
473 case UNSIGNED:
474 #if BFD_HOST_64BIT_LONG
475 printf ("%lu", vma);
476 #else
477 if (_bfd_int64_high (vma))
478 /* ugg */
479 printf ("++%lu", _bfd_int64_low (vma));
480 else
481 printf ("%lu", _bfd_int64_low (vma));
482 #endif
483 break;
484 }
485 }
486 #endif
487 }
488
489 static bfd_vma
490 byte_get_big_endian (field, size)
491 unsigned char * field;
492 int size;
493 {
494 switch (size)
495 {
496 case 1:
497 return * field;
498
499 case 2:
500 return ((unsigned int) (field [1])) | (((int) (field [0])) << 8);
501
502 case 4:
503 return ((unsigned long) (field [3]))
504 | (((unsigned long) (field [2])) << 8)
505 | (((unsigned long) (field [1])) << 16)
506 | (((unsigned long) (field [0])) << 24);
507
508 case 8:
509 /* Although we are extracing data from an 8 byte wide field, we
510 are returning only 4 bytes of data. */
511 return ((unsigned long) (field [7]))
512 | (((unsigned long) (field [6])) << 8)
513 | (((unsigned long) (field [5])) << 16)
514 | (((unsigned long) (field [4])) << 24);
515
516 #ifdef BFD64
517 case -8:
518 /* This is a special case, generated by the BYTE_GET8 macro.
519 It means that we are loading an 8 byte value from a field
520 in an external structure into an 8 byte value in a field
521 in an internal strcuture. */
522 return ((bfd_vma) (field [7]))
523 | (((bfd_vma) (field [6])) << 8)
524 | (((bfd_vma) (field [5])) << 16)
525 | (((bfd_vma) (field [4])) << 24)
526 | (((bfd_vma) (field [3])) << 32)
527 | (((bfd_vma) (field [2])) << 40)
528 | (((bfd_vma) (field [1])) << 48)
529 | (((bfd_vma) (field [0])) << 56);
530 #endif
531
532 default:
533 error (_("Unhandled data length: %d\n"), size);
534 abort ();
535 }
536 }
537
538
539 /* Guess the relocation sized based on the sized commonly used by the specific machine. */
540 static int
541 guess_is_rela (e_machine)
542 unsigned long e_machine;
543 {
544 switch (e_machine)
545 {
546 /* Targets that use REL relocations. */
547 case EM_ARM:
548 case EM_386:
549 case EM_486:
550 case EM_960:
551 case EM_CYGNUS_M32R:
552 case EM_CYGNUS_D10V:
553 case EM_MIPS:
554 case EM_MIPS_RS4_BE:
555 return FALSE;
556
557 /* Targets that use RELA relocations. */
558 case EM_68K:
559 case EM_SPARC32PLUS:
560 case EM_SPARCV9:
561 case EM_SPARC:
562 case EM_PPC:
563 case EM_CYGNUS_V850:
564 case EM_CYGNUS_D30V:
565 case EM_CYGNUS_MN10200:
566 case EM_CYGNUS_MN10300:
567 case EM_CYGNUS_FR30:
568 case EM_SH:
569 case EM_ALPHA:
570 case EM_MCORE:
571 return TRUE;
572
573 case EM_MMA:
574 case EM_PCP:
575 case EM_NCPU:
576 case EM_NDR1:
577 case EM_STARCORE:
578 case EM_ME16:
579 case EM_ST100:
580 case EM_TINYJ:
581 case EM_FX66:
582 case EM_ST9PLUS:
583 case EM_ST7:
584 case EM_68HC16:
585 case EM_68HC11:
586 case EM_68HC08:
587 case EM_68HC05:
588 case EM_SVX:
589 case EM_ST19:
590 case EM_VAX:
591 default:
592 warn (_("Don't know about relocations on this machine architecture\n"));
593 return FALSE;
594 }
595 }
596
597 /* Display the contents of the relocation data found at the specified offset. */
598 static int
599 dump_relocations (file, rel_offset, rel_size, symtab, nsyms, strtab, is_rela)
600 FILE * file;
601 unsigned long rel_offset;
602 unsigned long rel_size;
603 Elf_Internal_Sym * symtab;
604 unsigned long nsyms;
605 char * strtab;
606 int is_rela;
607 {
608 unsigned int i;
609 Elf_Internal_Rel * rels;
610 Elf_Internal_Rela * relas;
611
612
613 if (is_rela == UNKNOWN)
614 is_rela = guess_is_rela (elf_header.e_machine);
615
616 if (is_rela)
617 {
618 if (is_32bit_elf)
619 {
620 Elf32_External_Rela * erelas;
621
622 GET_DATA_ALLOC (rel_offset, rel_size, erelas,
623 Elf32_External_Rela *, "relocs");
624
625 rel_size = rel_size / sizeof (Elf32_External_Rela);
626
627 relas = (Elf_Internal_Rela *)
628 malloc (rel_size * sizeof (Elf_Internal_Rela));
629
630 if (relas == NULL)
631 {
632 error(_("out of memory parsing relocs"));
633 return 0;
634 }
635
636 for (i = 0; i < rel_size; i++)
637 {
638 relas[i].r_offset = BYTE_GET (erelas[i].r_offset);
639 relas[i].r_info = BYTE_GET (erelas[i].r_info);
640 relas[i].r_addend = BYTE_GET (erelas[i].r_addend);
641 }
642
643 free (erelas);
644
645 rels = (Elf_Internal_Rel *) relas;
646 }
647 else
648 {
649 Elf64_External_Rela * erelas;
650
651 GET_DATA_ALLOC (rel_offset, rel_size, erelas,
652 Elf64_External_Rela *, "relocs");
653
654 rel_size = rel_size / sizeof (Elf64_External_Rela);
655
656 relas = (Elf_Internal_Rela *)
657 malloc (rel_size * sizeof (Elf_Internal_Rela));
658
659 if (relas == NULL)
660 {
661 error(_("out of memory parsing relocs"));
662 return 0;
663 }
664
665 for (i = 0; i < rel_size; i++)
666 {
667 relas[i].r_offset = BYTE_GET8 (erelas[i].r_offset);
668 relas[i].r_info = BYTE_GET8 (erelas[i].r_info);
669 relas[i].r_addend = BYTE_GET8 (erelas[i].r_addend);
670 }
671
672 free (erelas);
673
674 rels = (Elf_Internal_Rel *) relas;
675 }
676 }
677 else
678 {
679 if (is_32bit_elf)
680 {
681 Elf32_External_Rel * erels;
682
683 GET_DATA_ALLOC (rel_offset, rel_size, erels,
684 Elf32_External_Rel *, "relocs");
685
686 rel_size = rel_size / sizeof (Elf32_External_Rel);
687
688 rels = (Elf_Internal_Rel *)
689 malloc (rel_size * sizeof (Elf_Internal_Rel));
690
691 if (rels == NULL)
692 {
693 error(_("out of memory parsing relocs"));
694 return 0;
695 }
696
697 for (i = 0; i < rel_size; i++)
698 {
699 rels[i].r_offset = BYTE_GET (erels[i].r_offset);
700 rels[i].r_info = BYTE_GET (erels[i].r_info);
701 }
702
703 free (erels);
704
705 relas = (Elf_Internal_Rela *) rels;
706 }
707 else
708 {
709 Elf64_External_Rel * erels;
710
711 GET_DATA_ALLOC (rel_offset, rel_size, erels,
712 Elf64_External_Rel *, "relocs");
713
714 rel_size = rel_size / sizeof (Elf64_External_Rel);
715
716 rels = (Elf_Internal_Rel *)
717 malloc (rel_size * sizeof (Elf_Internal_Rel));
718
719 if (rels == NULL)
720 {
721 error(_("out of memory parsing relocs"));
722 return 0;
723 }
724
725 for (i = 0; i < rel_size; i++)
726 {
727 rels[i].r_offset = BYTE_GET8 (erels[i].r_offset);
728 rels[i].r_info = BYTE_GET8 (erels[i].r_info);
729 }
730
731 free (erels);
732
733 relas = (Elf_Internal_Rela *) rels;
734 }
735 }
736
737 if (is_rela)
738 printf
739 (_(" Offset Info Type Symbol's Value Symbol's Name Addend\n"));
740 else
741 printf
742 (_(" Offset Info Type Symbol's Value Symbol's Name\n"));
743
744 for (i = 0; i < rel_size; i++)
745 {
746 const char * rtype;
747 bfd_vma offset;
748 bfd_vma info;
749 bfd_vma symtab_index;
750 bfd_vma type;
751
752 if (is_rela)
753 {
754 offset = relas [i].r_offset;
755 info = relas [i].r_info;
756 }
757 else
758 {
759 offset = rels [i].r_offset;
760 info = rels [i].r_info;
761 }
762
763 if (is_32bit_elf)
764 {
765 type = ELF32_R_TYPE (info);
766 symtab_index = ELF32_R_SYM (info);
767 }
768 else
769 {
770 if (elf_header.e_machine == EM_SPARCV9)
771 type = ELF64_R_TYPE_ID (info);
772 else
773 type = ELF64_R_TYPE (info);
774 /* The #ifdef BFD64 below is to prevent a compile time warning.
775 We know that if we do not have a 64 bit data type that we
776 will never execute this code anyway. */
777 #ifdef BFD64
778 symtab_index = ELF64_R_SYM (info);
779 #endif
780 }
781
782 #ifdef _bfd_int64_low
783 printf (" %8.8lx %5.5lx ", _bfd_int64_low (offset), _bfd_int64_low (info));
784 #else
785 printf (" %8.8lx %5.5lx ", offset, info);
786 #endif
787
788 switch (elf_header.e_machine)
789 {
790 default:
791 rtype = NULL;
792 break;
793
794 case EM_CYGNUS_M32R:
795 rtype = elf_m32r_reloc_type (type);
796 break;
797
798 case EM_386:
799 case EM_486:
800 rtype = elf_i386_reloc_type (type);
801 break;
802
803 case EM_68K:
804 rtype = elf_m68k_reloc_type (type);
805 break;
806
807 case EM_960:
808 rtype = elf_i960_reloc_type (type);
809 break;
810
811 case EM_AVR:
812 rtype = elf_avr_reloc_type (type);
813 break;
814
815 case EM_OLD_SPARCV9:
816 case EM_SPARC32PLUS:
817 case EM_SPARCV9:
818 case EM_SPARC:
819 rtype = elf_sparc_reloc_type (type);
820 break;
821
822 case EM_CYGNUS_V850:
823 rtype = v850_reloc_type (type);
824 break;
825
826 case EM_CYGNUS_D10V:
827 rtype = elf_d10v_reloc_type (type);
828 break;
829
830 case EM_CYGNUS_D30V:
831 rtype = elf_d30v_reloc_type (type);
832 break;
833
834 case EM_SH:
835 rtype = elf_sh_reloc_type (type);
836 break;
837
838 case EM_CYGNUS_MN10300:
839 rtype = elf_mn10300_reloc_type (type);
840 break;
841
842 case EM_CYGNUS_MN10200:
843 rtype = elf_mn10200_reloc_type (type);
844 break;
845
846 case EM_CYGNUS_FR30:
847 rtype = elf_fr30_reloc_type (type);
848 break;
849
850 case EM_MCORE:
851 rtype = elf_mcore_reloc_type (type);
852 break;
853
854 case EM_PPC:
855 rtype = elf_ppc_reloc_type (type);
856 break;
857
858 case EM_MIPS:
859 case EM_MIPS_RS4_BE:
860 rtype = elf_mips_reloc_type (type);
861 break;
862
863 case EM_ALPHA:
864 rtype = elf_alpha_reloc_type (type);
865 break;
866
867 case EM_ARM:
868 rtype = elf_arm_reloc_type (type);
869 break;
870
871 case EM_CYGNUS_ARC:
872 rtype = elf_arc_reloc_type (type);
873 break;
874
875 case EM_PARISC:
876 rtype = elf_hppa_reloc_type (type);
877 break;
878
879 case EM_PJ:
880 rtype = elf_pj_reloc_type (type);
881 break;
882 }
883
884 if (rtype == NULL)
885 #ifdef _bfd_int64_low
886 printf (_("unrecognised: %-7lx"), _bfd_int64_low (type));
887 #else
888 printf (_("unrecognised: %-7lx"), type);
889 #endif
890 else
891 printf ("%-21.21s", rtype);
892
893 if (symtab_index)
894 {
895 if (symtab != NULL)
896 {
897 if (symtab_index >= nsyms)
898 printf (" bad symbol index: %08lx", (unsigned long) symtab_index);
899 else
900 {
901 Elf_Internal_Sym * psym;
902
903 psym = symtab + symtab_index;
904
905 printf (" ");
906 print_vma (psym->st_value, LONG_HEX);
907 printf (" ");
908
909 if (psym->st_name == 0)
910 printf ("%-25.25s",
911 SECTION_NAME (section_headers + psym->st_shndx));
912 else if (strtab == NULL)
913 printf (_("<string table index %3ld>"), psym->st_name);
914 else
915 printf ("%-25.25s", strtab + psym->st_name);
916
917 if (is_rela)
918 printf (" + %lx", (unsigned long) relas [i].r_addend);
919 }
920 }
921 }
922 else if (is_rela)
923 {
924 printf ("%*c", is_32bit_elf ? 34 : 26, ' ');
925 print_vma (relas[i].r_addend, LONG_HEX);
926 }
927
928 if (elf_header.e_machine == EM_SPARCV9
929 && !strcmp (rtype, "R_SPARC_OLO10"))
930 printf (" + %lx", (unsigned long) ELF64_R_TYPE_DATA (info));
931
932 putchar ('\n');
933 }
934
935 free (relas);
936
937 return 1;
938 }
939
940 static const char *
941 get_mips_dynamic_type (type)
942 unsigned long type;
943 {
944 switch (type)
945 {
946 case DT_MIPS_RLD_VERSION: return "MIPS_RLD_VERSION";
947 case DT_MIPS_TIME_STAMP: return "MIPS_TIME_STAMP";
948 case DT_MIPS_ICHECKSUM: return "MIPS_ICHECKSUM";
949 case DT_MIPS_IVERSION: return "MIPS_IVERSION";
950 case DT_MIPS_FLAGS: return "MIPS_FLAGS";
951 case DT_MIPS_BASE_ADDRESS: return "MIPS_BASE_ADDRESS";
952 case DT_MIPS_MSYM: return "MIPS_MSYM";
953 case DT_MIPS_CONFLICT: return "MIPS_CONFLICT";
954 case DT_MIPS_LIBLIST: return "MIPS_LIBLIST";
955 case DT_MIPS_LOCAL_GOTNO: return "MIPS_LOCAL_GOTNO";
956 case DT_MIPS_CONFLICTNO: return "MIPS_CONFLICTNO";
957 case DT_MIPS_LIBLISTNO: return "MIPS_LIBLISTNO";
958 case DT_MIPS_SYMTABNO: return "MIPS_SYMTABNO";
959 case DT_MIPS_UNREFEXTNO: return "MIPS_UNREFEXTNO";
960 case DT_MIPS_GOTSYM: return "MIPS_GOTSYM";
961 case DT_MIPS_HIPAGENO: return "MIPS_HIPAGENO";
962 case DT_MIPS_RLD_MAP: return "MIPS_RLD_MAP";
963 case DT_MIPS_DELTA_CLASS: return "MIPS_DELTA_CLASS";
964 case DT_MIPS_DELTA_CLASS_NO: return "MIPS_DELTA_CLASS_NO";
965 case DT_MIPS_DELTA_INSTANCE: return "MIPS_DELTA_INSTANCE";
966 case DT_MIPS_DELTA_INSTANCE_NO: return "MIPS_DELTA_INSTANCE_NO";
967 case DT_MIPS_DELTA_RELOC: return "MIPS_DELTA_RELOC";
968 case DT_MIPS_DELTA_RELOC_NO: return "MIPS_DELTA_RELOC_NO";
969 case DT_MIPS_DELTA_SYM: return "MIPS_DELTA_SYM";
970 case DT_MIPS_DELTA_SYM_NO: return "MIPS_DELTA_SYM_NO";
971 case DT_MIPS_DELTA_CLASSSYM: return "MIPS_DELTA_CLASSSYM";
972 case DT_MIPS_DELTA_CLASSSYM_NO: return "MIPS_DELTA_CLASSSYM_NO";
973 case DT_MIPS_CXX_FLAGS: return "MIPS_CXX_FLAGS";
974 case DT_MIPS_PIXIE_INIT: return "MIPS_PIXIE_INIT";
975 case DT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB";
976 case DT_MIPS_LOCALPAGE_GOTIDX: return "MIPS_LOCALPAGE_GOTIDX";
977 case DT_MIPS_LOCAL_GOTIDX: return "MIPS_LOCAL_GOTIDX";
978 case DT_MIPS_HIDDEN_GOTIDX: return "MIPS_HIDDEN_GOTIDX";
979 case DT_MIPS_PROTECTED_GOTIDX: return "MIPS_PROTECTED_GOTIDX";
980 case DT_MIPS_OPTIONS: return "MIPS_OPTIONS";
981 case DT_MIPS_INTERFACE: return "MIPS_INTERFACE";
982 case DT_MIPS_DYNSTR_ALIGN: return "MIPS_DYNSTR_ALIGN";
983 case DT_MIPS_INTERFACE_SIZE: return "MIPS_INTERFACE_SIZE";
984 case DT_MIPS_RLD_TEXT_RESOLVE_ADDR: return "MIPS_RLD_TEXT_RESOLVE_ADDR";
985 case DT_MIPS_PERF_SUFFIX: return "MIPS_PERF_SUFFIX";
986 case DT_MIPS_COMPACT_SIZE: return "MIPS_COMPACT_SIZE";
987 case DT_MIPS_GP_VALUE: return "MIPS_GP_VALUE";
988 case DT_MIPS_AUX_DYNAMIC: return "MIPS_AUX_DYNAMIC";
989 default:
990 return NULL;
991 }
992 }
993
994 static const char *
995 get_sparc64_dynamic_type (type)
996 unsigned long type;
997 {
998 switch (type)
999 {
1000 case DT_SPARC_REGISTER: return "SPARC_REGISTER";
1001 default:
1002 return NULL;
1003 }
1004 }
1005
1006 static const char *
1007 get_parisc_dynamic_type (type)
1008 unsigned long type;
1009 {
1010 switch (type)
1011 {
1012 case DT_HP_LOAD_MAP: return "HP_LOAD_MAP";
1013 case DT_HP_DLD_FLAGS: return "HP_DLD_FLAGS";
1014 case DT_HP_DLD_HOOK: return "HP_DLD_HOOK";
1015 case DT_HP_UX10_INIT: return "HP_UX10_INIT";
1016 case DT_HP_UX10_INITSZ: return "HP_UX10_INITSZ";
1017 case DT_HP_PREINIT: return "HP_PREINIT";
1018 case DT_HP_PREINITSZ: return "HP_PREINITSZ";
1019 case DT_HP_NEEDED: return "HP_NEEDED";
1020 case DT_HP_TIME_STAMP: return "HP_TIME_STAMP";
1021 case DT_HP_CHECKSUM: return "HP_CHECKSUM";
1022 case DT_HP_GST_SIZE: return "HP_GST_SIZE";
1023 case DT_HP_GST_VERSION: return "HP_GST_VERSION";
1024 case DT_HP_GST_HASHVAL: return "HP_GST_HASHVAL";
1025 default:
1026 return NULL;
1027 }
1028 }
1029
1030 static const char *
1031 get_dynamic_type (type)
1032 unsigned long type;
1033 {
1034 static char buff [32];
1035
1036 switch (type)
1037 {
1038 case DT_NULL: return "NULL";
1039 case DT_NEEDED: return "NEEDED";
1040 case DT_PLTRELSZ: return "PLTRELSZ";
1041 case DT_PLTGOT: return "PLTGOT";
1042 case DT_HASH: return "HASH";
1043 case DT_STRTAB: return "STRTAB";
1044 case DT_SYMTAB: return "SYMTAB";
1045 case DT_RELA: return "RELA";
1046 case DT_RELASZ: return "RELASZ";
1047 case DT_RELAENT: return "RELAENT";
1048 case DT_STRSZ: return "STRSZ";
1049 case DT_SYMENT: return "SYMENT";
1050 case DT_INIT: return "INIT";
1051 case DT_FINI: return "FINI";
1052 case DT_SONAME: return "SONAME";
1053 case DT_RPATH: return "RPATH";
1054 case DT_SYMBOLIC: return "SYMBOLIC";
1055 case DT_REL: return "REL";
1056 case DT_RELSZ: return "RELSZ";
1057 case DT_RELENT: return "RELENT";
1058 case DT_PLTREL: return "PLTREL";
1059 case DT_DEBUG: return "DEBUG";
1060 case DT_TEXTREL: return "TEXTREL";
1061 case DT_JMPREL: return "JMPREL";
1062 case DT_BIND_NOW: return "BIND_NOW";
1063 case DT_INIT_ARRAY: return "INIT_ARRAY";
1064 case DT_FINI_ARRAY: return "FINI_ARRAY";
1065 case DT_INIT_ARRAYSZ: return "INIT_ARRAYSZ";
1066 case DT_FINI_ARRAYSZ: return "FINI_ARRAYSZ";
1067 case DT_RUNPATH: return "RUNPATH";
1068 case DT_FLAGS: return "FLAGS";
1069
1070 case DT_PREINIT_ARRAY: return "PREINIT_ARRAY";
1071 case DT_PREINIT_ARRAYSZ: return "PREINIT_ARRAYSZ";
1072
1073 case DT_PLTPADSZ: return "PLTPADSZ";
1074 case DT_MOVEENT: return "MOVEENT";
1075 case DT_MOVESZ: return "MOVESZ";
1076 case DT_FEATURE_1: return "FEATURE_1";
1077 case DT_POSFLAG_1: return "POSFLAG_1";
1078 case DT_SYMINSZ: return "SYMINSZ";
1079 case DT_SYMINENT: return "SYMINENT"; /* aka VALRNGHI */
1080
1081 case DT_ADDRRNGLO: return "ADDRRNGLO";
1082 case DT_SYMINFO: return "SYMINFO"; /* aka ADDRRNGHI */
1083
1084 case DT_VERSYM: return "VERSYM";
1085
1086 case DT_RELACOUNT: return "RELACOUNT";
1087 case DT_RELCOUNT: return "RELCOUNT";
1088 case DT_FLAGS_1: return "FLAGS_1";
1089 case DT_VERDEF: return "VERDEF";
1090 case DT_VERDEFNUM: return "VERDEFNUM";
1091 case DT_VERNEED: return "VERNEED";
1092 case DT_VERNEEDNUM: return "VERNEEDNUM";
1093
1094 case DT_AUXILIARY: return "AUXILARY";
1095 case DT_USED: return "USED";
1096 case DT_FILTER: return "FILTER";
1097
1098 default:
1099 if ((type >= DT_LOPROC) && (type <= DT_HIPROC))
1100 {
1101 const char * result;
1102
1103 switch (elf_header.e_machine)
1104 {
1105 case EM_MIPS:
1106 case EM_MIPS_RS4_BE:
1107 result = get_mips_dynamic_type (type);
1108 break;
1109 case EM_SPARCV9:
1110 result = get_sparc64_dynamic_type (type);
1111 break;
1112 default:
1113 result = NULL;
1114 break;
1115 }
1116
1117 if (result != NULL)
1118 return result;
1119
1120 sprintf (buff, _("Processor Specific: %lx"), type);
1121 }
1122 else if ((type >= DT_LOOS) && (type <= DT_HIOS))
1123 {
1124 const char * result;
1125
1126 switch (elf_header.e_machine)
1127 {
1128 case EM_PARISC:
1129 result = get_parisc_dynamic_type (type);
1130 break;
1131 default:
1132 result = NULL;
1133 break;
1134 }
1135
1136 if (result != NULL)
1137 return result;
1138
1139 sprintf (buff, _("Operating System specific: %lx"), type);
1140 }
1141 else
1142 sprintf (buff, _("<unknown>: %lx"), type);
1143
1144 return buff;
1145 }
1146 }
1147
1148 static char *
1149 get_file_type (e_type)
1150 unsigned e_type;
1151 {
1152 static char buff [32];
1153
1154 switch (e_type)
1155 {
1156 case ET_NONE: return _("NONE (None)");
1157 case ET_REL: return _("REL (Relocatable file)");
1158 case ET_EXEC: return _("EXEC (Executable file)");
1159 case ET_DYN: return _("DYN (Shared object file)");
1160 case ET_CORE: return _("CORE (Core file)");
1161
1162 default:
1163 if ((e_type >= ET_LOPROC) && (e_type <= ET_HIPROC))
1164 sprintf (buff, _("Processor Specific: (%x)"), e_type);
1165 else if ((e_type >= ET_LOOS) && (e_type <= ET_HIOS))
1166 sprintf (buff, _("OS Specific: (%x)"), e_type);
1167 else
1168 sprintf (buff, _("<unknown>: %x"), e_type);
1169 return buff;
1170 }
1171 }
1172
1173 static char *
1174 get_machine_name (e_machine)
1175 unsigned e_machine;
1176 {
1177 static char buff [64]; /* XXX */
1178
1179 switch (e_machine)
1180 {
1181 case EM_NONE: return _("None");
1182 case EM_M32: return "WE32100";
1183 case EM_SPARC: return "Sparc";
1184 case EM_386: return "Intel 80386";
1185 case EM_68K: return "MC68000";
1186 case EM_88K: return "MC88000";
1187 case EM_486: return "Intel 80486";
1188 case EM_860: return "Intel 80860";
1189 case EM_MIPS: return "MIPS R3000";
1190 case EM_S370: return "IBM System/370";
1191 case EM_MIPS_RS4_BE: return "MIPS R4000 big-endian";
1192 case EM_OLD_SPARCV9: return "Sparc v9 (old)";
1193 case EM_PARISC: return "HPPA";
1194 case EM_PPC_OLD: return "Power PC (old)";
1195 case EM_SPARC32PLUS: return "Sparc v8+" ;
1196 case EM_960: return "Intel 90860";
1197 case EM_PPC: return "PowerPC";
1198 case EM_V800: return "NEC V800";
1199 case EM_FR20: return "Fujitsu FR20";
1200 case EM_RH32: return "TRW RH32";
1201 case EM_MCORE: return "MCORE";
1202 case EM_ARM: return "ARM";
1203 case EM_OLD_ALPHA: return "Digital Alpha (old)";
1204 case EM_SH: return "Hitachi SH";
1205 case EM_SPARCV9: return "Sparc v9";
1206 case EM_TRICORE: return "Siemens Tricore";
1207 case EM_ARC: return "Argonaut RISC Core";
1208 case EM_H8_300: return "Hitachi H8/300";
1209 case EM_H8_300H: return "Hitachi H8/300H";
1210 case EM_H8S: return "Hitachi H8S";
1211 case EM_H8_500: return "Hitachi H8/500";
1212 case EM_IA_64: return "Intel IA-64";
1213 case EM_MIPS_X: return "Stanford MIPS-X";
1214 case EM_COLDFIRE: return "Motorola Coldfire";
1215 case EM_68HC12: return "Motorola M68HC12";
1216 case EM_ALPHA: return "Alpha";
1217 case EM_CYGNUS_D10V: return "d10v";
1218 case EM_CYGNUS_D30V: return "d30v";
1219 case EM_CYGNUS_ARC: return "Arc";
1220 case EM_CYGNUS_M32R: return "Mitsubishi M32r";
1221 case EM_CYGNUS_V850: return "NEC v850";
1222 case EM_CYGNUS_MN10300: return "mn10300";
1223 case EM_CYGNUS_MN10200: return "mn10200";
1224 case EM_CYGNUS_FR30: return "Fujitsu FR30";
1225 case EM_PJ: return "picoJava";
1226 case EM_MMA: return "Fujitsu Multimedia Accelerator";
1227 case EM_PCP: return "Siemens PCP";
1228 case EM_NCPU: return "Sony nCPU embedded RISC processor";
1229 case EM_NDR1: return "Denso NDR1 microprocesspr";
1230 case EM_STARCORE: return "Motorola Star*Core processor";
1231 case EM_ME16: return "Toyota ME16 processor";
1232 case EM_ST100: return "STMicroelectronics ST100 processor";
1233 case EM_TINYJ: return "Advanced Logic Corp. TinyJ embedded processor";
1234 case EM_FX66: return "Siemens FX66 microcontroller";
1235 case EM_ST9PLUS: return "STMicroelectronics ST9+ 8/16 bit microcontroller";
1236 case EM_ST7: return "STMicroelectronics ST7 8-bit microcontroller";
1237 case EM_68HC16: return "Motorola MC68HC16 Microcontroller";
1238 case EM_68HC11: return "Motorola MC68HC11 Microcontroller";
1239 case EM_68HC08: return "Motorola MC68HC08 Microcontroller";
1240 case EM_68HC05: return "Motorola MC68HC05 Microcontroller";
1241 case EM_SVX: return "Silicon Graphics SVx";
1242 case EM_ST19: return "STMicroelectronics ST19 8-bit microcontroller";
1243 case EM_VAX: return "Digital VAX";
1244 case EM_AVR: return "AVR";
1245 default:
1246 sprintf (buff, _("<unknown>: %x"), e_machine);
1247 return buff;
1248 }
1249 }
1250
1251 static void
1252 decode_ARM_machine_flags (e_flags, buf)
1253 unsigned e_flags;
1254 char buf[];
1255 {
1256 unsigned eabi;
1257 int unknown = 0;
1258
1259 eabi = EF_ARM_EABI_VERSION (e_flags);
1260 e_flags &= ~ EF_ARM_EABIMASK;
1261
1262 /* Handle "generic" ARM flags. */
1263 if (e_flags & EF_ARM_RELEXEC)
1264 {
1265 strcat (buf, ", relocatable executable");
1266 e_flags &= ~ EF_ARM_RELEXEC;
1267 }
1268
1269 if (e_flags & EF_ARM_HASENTRY)
1270 {
1271 strcat (buf, ", has entry point");
1272 e_flags &= ~ EF_ARM_HASENTRY;
1273 }
1274
1275 /* Now handle EABI specific flags. */
1276 switch (eabi)
1277 {
1278 default:
1279 strcat (buf, ", <unknown EABI>");
1280 if (e_flags)
1281 unknown = 1;
1282 break;
1283
1284 case EF_ARM_EABI_VER1:
1285 while (e_flags)
1286 {
1287 unsigned flag;
1288
1289 /* Process flags one bit at a time. */
1290 flag = e_flags & - e_flags;
1291 e_flags &= ~ flag;
1292
1293 switch (flag)
1294 {
1295 case EF_ARM_SYMSARESORTED: /* Conflicts with EF_INTERWORK. */
1296 strcat (buf, ", sorted symbol tables");
1297 break;
1298
1299 default:
1300 unknown = 1;
1301 break;
1302 }
1303 }
1304 break;
1305
1306 case EF_ARM_EABI_UNKNOWN:
1307 while (e_flags)
1308 {
1309 unsigned flag;
1310
1311 /* Process flags one bit at a time. */
1312 flag = e_flags & - e_flags;
1313 e_flags &= ~ flag;
1314
1315 switch (flag)
1316 {
1317 case EF_INTERWORK:
1318 strcat (buf, ", interworking enabled");
1319 break;
1320
1321 case EF_APCS_26:
1322 strcat (buf, ", uses APCS/26");
1323 break;
1324
1325 case EF_APCS_FLOAT:
1326 strcat (buf, ", uses APCS/float");
1327 break;
1328
1329 case EF_PIC:
1330 strcat (buf, ", position independent");
1331 break;
1332
1333 case EF_ALIGN8:
1334 strcat (buf, ", 8 bit structure alignment");
1335 break;
1336
1337 case EF_NEW_ABI:
1338 strcat (buf, ", uses new ABI");
1339 break;
1340
1341 case EF_OLD_ABI:
1342 strcat (buf, ", uses old ABI");
1343 break;
1344
1345 case EF_SOFT_FLOAT:
1346 strcat (buf, ", software FP");
1347 break;
1348
1349 default:
1350 unknown = 1;
1351 break;
1352 }
1353 }
1354 }
1355
1356 if (unknown)
1357 strcat (buf,", <unknown>");
1358 }
1359
1360 static char *
1361 get_machine_flags (e_flags, e_machine)
1362 unsigned e_flags;
1363 unsigned e_machine;
1364 {
1365 static char buf [1024];
1366
1367 buf[0] = '\0';
1368
1369 if (e_flags)
1370 {
1371 switch (e_machine)
1372 {
1373 default:
1374 break;
1375
1376 case EM_ARM:
1377 decode_ARM_machine_flags (e_flags, buf);
1378 break;
1379
1380 case EM_68K:
1381 if (e_flags & EF_CPU32)
1382 strcat (buf, ", cpu32");
1383 break;
1384
1385 case EM_PPC:
1386 if (e_flags & EF_PPC_EMB)
1387 strcat (buf, ", emb");
1388
1389 if (e_flags & EF_PPC_RELOCATABLE)
1390 strcat (buf, ", relocatable");
1391
1392 if (e_flags & EF_PPC_RELOCATABLE_LIB)
1393 strcat (buf, ", relocatable-lib");
1394 break;
1395
1396 case EM_CYGNUS_V850:
1397 switch (e_flags & EF_V850_ARCH)
1398 {
1399 case E_V850E_ARCH:
1400 strcat (buf, ", v850e");
1401 break;
1402 case E_V850EA_ARCH:
1403 strcat (buf, ", v850ea");
1404 break;
1405 case E_V850_ARCH:
1406 strcat (buf, ", v850");
1407 break;
1408 default:
1409 strcat (buf, ", unknown v850 architecture variant");
1410 break;
1411 }
1412 break;
1413
1414 case EM_CYGNUS_M32R:
1415 if ((e_flags & EF_M32R_ARCH) == E_M32R_ARCH)
1416 strcat (buf, ", m32r");
1417
1418 break;
1419
1420 case EM_MIPS:
1421 case EM_MIPS_RS4_BE:
1422 if (e_flags & EF_MIPS_NOREORDER)
1423 strcat (buf, ", noreorder");
1424
1425 if (e_flags & EF_MIPS_PIC)
1426 strcat (buf, ", pic");
1427
1428 if (e_flags & EF_MIPS_CPIC)
1429 strcat (buf, ", cpic");
1430
1431 if (e_flags & EF_MIPS_ABI2)
1432 strcat (buf, ", abi2");
1433
1434 if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_1)
1435 strcat (buf, ", mips1");
1436
1437 if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_2)
1438 strcat (buf, ", mips2");
1439
1440 if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_3)
1441 strcat (buf, ", mips3");
1442
1443 if ((e_flags & EF_MIPS_ARCH) == E_MIPS_ARCH_4)
1444 strcat (buf, ", mips4");
1445 break;
1446
1447 case EM_SPARCV9:
1448 if (e_flags & EF_SPARC_32PLUS)
1449 strcat (buf, ", v8+");
1450
1451 if (e_flags & EF_SPARC_SUN_US1)
1452 strcat (buf, ", ultrasparcI");
1453
1454 if (e_flags & EF_SPARC_SUN_US3)
1455 strcat (buf, ", ultrasparcIII");
1456
1457 if (e_flags & EF_SPARC_HAL_R1)
1458 strcat (buf, ", halr1");
1459
1460 if (e_flags & EF_SPARC_LEDATA)
1461 strcat (buf, ", ledata");
1462
1463 if ((e_flags & EF_SPARCV9_MM) == EF_SPARCV9_TSO)
1464 strcat (buf, ", tso");
1465
1466 if ((e_flags & EF_SPARCV9_MM) == EF_SPARCV9_PSO)
1467 strcat (buf, ", pso");
1468
1469 if ((e_flags & EF_SPARCV9_MM) == EF_SPARCV9_RMO)
1470 strcat (buf, ", rmo");
1471 break;
1472
1473 case EM_PARISC:
1474 switch (e_flags & EF_PARISC_ARCH)
1475 {
1476 case EFA_PARISC_1_0:
1477 strcpy (buf, ", PA-RISC 1.0");
1478 break;
1479 case EFA_PARISC_1_1:
1480 strcpy (buf, ", PA-RISC 1.1");
1481 break;
1482 case EFA_PARISC_2_0:
1483 strcpy (buf, ", PA-RISC 2.0");
1484 break;
1485 default:
1486 break;
1487 }
1488 if (e_flags & EF_PARISC_TRAPNIL)
1489 strcat (buf, ", trapnil");
1490 if (e_flags & EF_PARISC_EXT)
1491 strcat (buf, ", ext");
1492 if (e_flags & EF_PARISC_LSB)
1493 strcat (buf, ", lsb");
1494 if (e_flags & EF_PARISC_WIDE)
1495 strcat (buf, ", wide");
1496 if (e_flags & EF_PARISC_NO_KABP)
1497 strcat (buf, ", no kabp");
1498 if (e_flags & EF_PARISC_LAZYSWAP)
1499 strcat (buf, ", lazyswap");
1500 break;
1501
1502 case EM_PJ:
1503 if ((e_flags & EF_PICOJAVA_NEWCALLS) == EF_PICOJAVA_NEWCALLS)
1504 strcat (buf, ", new calling convention");
1505
1506 if ((e_flags & EF_PICOJAVA_GNUCALLS) == EF_PICOJAVA_GNUCALLS)
1507 strcat (buf, ", gnu calling convention");
1508 break;
1509 }
1510 }
1511
1512 return buf;
1513 }
1514
1515 static const char *
1516 get_mips_segment_type (type)
1517 unsigned long type;
1518 {
1519 switch (type)
1520 {
1521 case PT_MIPS_REGINFO:
1522 return "REGINFO";
1523 case PT_MIPS_RTPROC:
1524 return "RTPROC";
1525 case PT_MIPS_OPTIONS:
1526 return "OPTIONS";
1527 default:
1528 break;
1529 }
1530
1531 return NULL;
1532 }
1533
1534 static const char *
1535 get_parisc_segment_type (type)
1536 unsigned long type;
1537 {
1538 switch (type)
1539 {
1540 case PT_HP_TLS: return "HP_TLS";
1541 case PT_HP_CORE_NONE: return "HP_CORE_NONE";
1542 case PT_HP_CORE_VERSION: return "HP_CORE_VERSION";
1543 case PT_HP_CORE_KERNEL: return "HP_CORE_KERNEL";
1544 case PT_HP_CORE_COMM: return "HP_CORE_COMM";
1545 case PT_HP_CORE_PROC: return "HP_CORE_PROC";
1546 case PT_HP_CORE_LOADABLE: return "HP_CORE_LOADABLE";
1547 case PT_HP_CORE_STACK: return "HP_CORE_STACK";
1548 case PT_HP_CORE_SHM: return "HP_CORE_SHM";
1549 case PT_HP_CORE_MMF: return "HP_CORE_MMF";
1550 case PT_HP_PARALLEL: return "HP_PARALLEL";
1551 case PT_HP_FASTBIND: return "HP_FASTBIND";
1552 case PT_PARISC_ARCHEXT: return "PARISC_ARCHEXT";
1553 case PT_PARISC_UNWIND: return "PARISC_UNWIND";
1554 default:
1555 break;
1556 }
1557
1558 return NULL;
1559 }
1560
1561 static const char *
1562 get_segment_type (p_type)
1563 unsigned long p_type;
1564 {
1565 static char buff [32];
1566
1567 switch (p_type)
1568 {
1569 case PT_NULL: return "NULL";
1570 case PT_LOAD: return "LOAD";
1571 case PT_DYNAMIC: return "DYNAMIC";
1572 case PT_INTERP: return "INTERP";
1573 case PT_NOTE: return "NOTE";
1574 case PT_SHLIB: return "SHLIB";
1575 case PT_PHDR: return "PHDR";
1576
1577 default:
1578 if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC))
1579 {
1580 const char * result;
1581
1582 switch (elf_header.e_machine)
1583 {
1584 case EM_MIPS:
1585 case EM_MIPS_RS4_BE:
1586 result = get_mips_segment_type (p_type);
1587 break;
1588 case EM_PARISC:
1589 result = get_parisc_segment_type (p_type);
1590 break;
1591 default:
1592 result = NULL;
1593 break;
1594 }
1595
1596 if (result != NULL)
1597 return result;
1598
1599 sprintf (buff, "LOPROC+%lx", p_type - PT_LOPROC);
1600 }
1601 else if ((p_type >= PT_LOOS) && (p_type <= PT_HIOS))
1602 {
1603 const char * result;
1604
1605 switch (elf_header.e_machine)
1606 {
1607 case EM_PARISC:
1608 result = get_parisc_segment_type (p_type);
1609 break;
1610 default:
1611 result = NULL;
1612 break;
1613 }
1614
1615 if (result != NULL)
1616 return result;
1617
1618 sprintf (buff, "LOOS+%lx", p_type - PT_LOOS);
1619 }
1620 else
1621 sprintf (buff, _("<unknown>: %lx"), p_type);
1622
1623 return buff;
1624 }
1625 }
1626
1627 static const char *
1628 get_mips_section_type_name (sh_type)
1629 unsigned int sh_type;
1630 {
1631 switch (sh_type)
1632 {
1633 case SHT_MIPS_LIBLIST: return "MIPS_LIBLIST";
1634 case SHT_MIPS_MSYM: return "MIPS_MSYM";
1635 case SHT_MIPS_CONFLICT: return "MIPS_CONFLICT";
1636 case SHT_MIPS_GPTAB: return "MIPS_GPTAB";
1637 case SHT_MIPS_UCODE: return "MIPS_UCODE";
1638 case SHT_MIPS_DEBUG: return "MIPS_DEBUG";
1639 case SHT_MIPS_REGINFO: return "MIPS_REGINFO";
1640 case SHT_MIPS_PACKAGE: return "MIPS_PACKAGE";
1641 case SHT_MIPS_PACKSYM: return "MIPS_PACKSYM";
1642 case SHT_MIPS_RELD: return "MIPS_RELD";
1643 case SHT_MIPS_IFACE: return "MIPS_IFACE";
1644 case SHT_MIPS_CONTENT: return "MIPS_CONTENT";
1645 case SHT_MIPS_OPTIONS: return "MIPS_OPTIONS";
1646 case SHT_MIPS_SHDR: return "MIPS_SHDR";
1647 case SHT_MIPS_FDESC: return "MIPS_FDESC";
1648 case SHT_MIPS_EXTSYM: return "MIPS_EXTSYM";
1649 case SHT_MIPS_DENSE: return "MIPS_DENSE";
1650 case SHT_MIPS_PDESC: return "MIPS_PDESC";
1651 case SHT_MIPS_LOCSYM: return "MIPS_LOCSYM";
1652 case SHT_MIPS_AUXSYM: return "MIPS_AUXSYM";
1653 case SHT_MIPS_OPTSYM: return "MIPS_OPTSYM";
1654 case SHT_MIPS_LOCSTR: return "MIPS_LOCSTR";
1655 case SHT_MIPS_LINE: return "MIPS_LINE";
1656 case SHT_MIPS_RFDESC: return "MIPS_RFDESC";
1657 case SHT_MIPS_DELTASYM: return "MIPS_DELTASYM";
1658 case SHT_MIPS_DELTAINST: return "MIPS_DELTAINST";
1659 case SHT_MIPS_DELTACLASS: return "MIPS_DELTACLASS";
1660 case SHT_MIPS_DWARF: return "MIPS_DWARF";
1661 case SHT_MIPS_DELTADECL: return "MIPS_DELTADECL";
1662 case SHT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB";
1663 case SHT_MIPS_EVENTS: return "MIPS_EVENTS";
1664 case SHT_MIPS_TRANSLATE: return "MIPS_TRANSLATE";
1665 case SHT_MIPS_PIXIE: return "MIPS_PIXIE";
1666 case SHT_MIPS_XLATE: return "MIPS_XLATE";
1667 case SHT_MIPS_XLATE_DEBUG: return "MIPS_XLATE_DEBUG";
1668 case SHT_MIPS_WHIRL: return "MIPS_WHIRL";
1669 case SHT_MIPS_EH_REGION: return "MIPS_EH_REGION";
1670 case SHT_MIPS_XLATE_OLD: return "MIPS_XLATE_OLD";
1671 case SHT_MIPS_PDR_EXCEPTION: return "MIPS_PDR_EXCEPTION";
1672 default:
1673 break;
1674 }
1675 return NULL;
1676 }
1677
1678 static const char *
1679 get_parisc_section_type_name (sh_type)
1680 unsigned int sh_type;
1681 {
1682 switch (sh_type)
1683 {
1684 case SHT_PARISC_EXT: return "PARISC_EXT";
1685 case SHT_PARISC_UNWIND: return "PARISC_UNWIND";
1686 case SHT_PARISC_DOC: return "PARISC_DOC";
1687 default:
1688 break;
1689 }
1690 return NULL;
1691 }
1692
1693 static const char *
1694 get_section_type_name (sh_type)
1695 unsigned int sh_type;
1696 {
1697 static char buff [32];
1698
1699 switch (sh_type)
1700 {
1701 case SHT_NULL: return "NULL";
1702 case SHT_PROGBITS: return "PROGBITS";
1703 case SHT_SYMTAB: return "SYMTAB";
1704 case SHT_STRTAB: return "STRTAB";
1705 case SHT_RELA: return "RELA";
1706 case SHT_HASH: return "HASH";
1707 case SHT_DYNAMIC: return "DYNAMIC";
1708 case SHT_NOTE: return "NOTE";
1709 case SHT_NOBITS: return "NOBITS";
1710 case SHT_REL: return "REL";
1711 case SHT_SHLIB: return "SHLIB";
1712 case SHT_DYNSYM: return "DYNSYM";
1713 case SHT_INIT_ARRAY: return "INIT_ARRAY";
1714 case SHT_FINI_ARRAY: return "FINI_ARRAY";
1715 case SHT_PREINIT_ARRAY: return "PREINIT_ARRAY";
1716 case SHT_GNU_verdef: return "VERDEF";
1717 case SHT_GNU_verneed: return "VERNEED";
1718 case SHT_GNU_versym: return "VERSYM";
1719 case 0x6ffffff0: return "VERSYM";
1720 case 0x6ffffffc: return "VERDEF";
1721 case 0x7ffffffd: return "AUXILIARY";
1722 case 0x7fffffff: return "FILTER";
1723
1724 default:
1725 if ((sh_type >= SHT_LOPROC) && (sh_type <= SHT_HIPROC))
1726 {
1727 const char * result;
1728
1729 switch (elf_header.e_machine)
1730 {
1731 case EM_MIPS:
1732 case EM_MIPS_RS4_BE:
1733 result = get_mips_section_type_name (sh_type);
1734 break;
1735 case EM_PARISC:
1736 result = get_parisc_section_type_name (sh_type);
1737 break;
1738 default:
1739 result = NULL;
1740 break;
1741 }
1742
1743 if (result != NULL)
1744 return result;
1745
1746 sprintf (buff, "SHT_LOPROC+%x", sh_type - SHT_LOPROC);
1747 }
1748 else if ((sh_type >= SHT_LOOS) && (sh_type <= SHT_HIOS))
1749 sprintf (buff, "SHT_LOOS+%x", sh_type - SHT_LOOS);
1750 else if ((sh_type >= SHT_LOUSER) && (sh_type <= SHT_HIUSER))
1751 sprintf (buff, "SHT_LOUSER+%x", sh_type - SHT_LOUSER);
1752 else
1753 sprintf (buff, _("<unknown>: %x"), sh_type);
1754
1755 return buff;
1756 }
1757 }
1758
1759 struct option options [] =
1760 {
1761 {"all", no_argument, 0, 'a'},
1762 {"file-header", no_argument, 0, 'h'},
1763 {"program-headers", no_argument, 0, 'l'},
1764 {"headers", no_argument, 0, 'e'},
1765 {"histogram", no_argument, 0, 'I'},
1766 {"segments", no_argument, 0, 'l'},
1767 {"sections", no_argument, 0, 'S'},
1768 {"section-headers", no_argument, 0, 'S'},
1769 {"symbols", no_argument, 0, 's'},
1770 {"syms", no_argument, 0, 's'},
1771 {"relocs", no_argument, 0, 'r'},
1772 {"notes", no_argument, 0, 'n'},
1773 {"dynamic", no_argument, 0, 'd'},
1774 {"arch-specific", no_argument, 0, 'A'},
1775 {"version-info", no_argument, 0, 'V'},
1776 {"use-dynamic", no_argument, 0, 'D'},
1777 {"hex-dump", required_argument, 0, 'x'},
1778 {"debug-dump", optional_argument, 0, 'w'},
1779 #ifdef SUPPORT_DISASSEMBLY
1780 {"instruction-dump", required_argument, 0, 'i'},
1781 #endif
1782
1783 {"version", no_argument, 0, 'v'},
1784 {"help", no_argument, 0, 'H'},
1785 {0, no_argument, 0, 0}
1786 };
1787
1788 static void
1789 usage ()
1790 {
1791 fprintf (stdout, _("Usage: readelf {options} elf-file(s)\n"));
1792 fprintf (stdout, _(" Options are:\n"));
1793 fprintf (stdout, _(" -a or --all Equivalent to: -h -l -S -s -r -d -V -A -I\n"));
1794 fprintf (stdout, _(" -h or --file-header Display the ELF file header\n"));
1795 fprintf (stdout, _(" -l or --program-headers or --segments\n"));
1796 fprintf (stdout, _(" Display the program headers\n"));
1797 fprintf (stdout, _(" -S or --section-headers or --sections\n"));
1798 fprintf (stdout, _(" Display the sections' header\n"));
1799 fprintf (stdout, _(" -e or --headers Equivalent to: -h -l -S\n"));
1800 fprintf (stdout, _(" -s or --syms or --symbols Display the symbol table\n"));
1801 fprintf (stdout, _(" -n or --notes Display the core notes (if present)\n"));
1802 fprintf (stdout, _(" -r or --relocs Display the relocations (if present)\n"));
1803 fprintf (stdout, _(" -d or --dynamic Display the dynamic segment (if present)\n"));
1804 fprintf (stdout, _(" -V or --version-info Display the version sections (if present)\n"));
1805 fprintf (stdout, _(" -A or --arch-specific Display architecture specific information (if any).\n"));
1806 fprintf (stdout, _(" -D or --use-dynamic Use the dynamic section info when displaying symbols\n"));
1807 fprintf (stdout, _(" -x <number> or --hex-dump=<number>\n"));
1808 fprintf (stdout, _(" Dump the contents of section <number>\n"));
1809 fprintf (stdout, _(" -w[liapr] or --debug-dump[=line,=info,=abbrev,=pubnames,=ranges]\n"));
1810 fprintf (stdout, _(" Display the contents of DWARF2 debug sections\n"));
1811 #ifdef SUPPORT_DISASSEMBLY
1812 fprintf (stdout, _(" -i <number> or --instruction-dump=<number>\n"));
1813 fprintf (stdout, _(" Disassemble the contents of section <number>\n"));
1814 #endif
1815 fprintf (stdout, _(" -I or --histogram Display histogram of bucket list lengths\n"));
1816 fprintf (stdout, _(" -v or --version Display the version number of readelf\n"));
1817 fprintf (stdout, _(" -H or --help Display this information\n"));
1818 fprintf (stdout, _("Report bugs to %s\n"), REPORT_BUGS_TO);
1819
1820 exit (0);
1821 }
1822
1823 static void
1824 request_dump (section, type)
1825 unsigned int section;
1826 char type;
1827 {
1828 if (section >= num_dump_sects)
1829 {
1830 char * new_dump_sects;
1831
1832 new_dump_sects = (char *) calloc (section + 1, 1);
1833
1834 if (new_dump_sects == NULL)
1835 error (_("Out of memory allocating dump request table."));
1836 else
1837 {
1838 /* Copy current flag settings. */
1839 memcpy (new_dump_sects, dump_sects, num_dump_sects);
1840
1841 free (dump_sects);
1842
1843 dump_sects = new_dump_sects;
1844 num_dump_sects = section + 1;
1845 }
1846 }
1847
1848 if (dump_sects)
1849 dump_sects [section] |= type;
1850
1851 return;
1852 }
1853
1854 static void
1855 parse_args (argc, argv)
1856 int argc;
1857 char ** argv;
1858 {
1859 int c;
1860
1861 if (argc < 2)
1862 usage ();
1863
1864 while ((c = getopt_long
1865 (argc, argv, "ersahnldSDAIw::x:i:vV", options, NULL)) != EOF)
1866 {
1867 char * cp;
1868 int section;
1869
1870 switch (c)
1871 {
1872 case 0:
1873 /* Long options. */
1874 break;
1875 case 'H':
1876 usage ();
1877 break;
1878
1879 case 'a':
1880 do_syms ++;
1881 do_reloc ++;
1882 do_dynamic ++;
1883 do_header ++;
1884 do_sections ++;
1885 do_segments ++;
1886 do_version ++;
1887 do_histogram ++;
1888 do_arch ++;
1889 do_notes ++;
1890 break;
1891 case 'e':
1892 do_header ++;
1893 do_sections ++;
1894 do_segments ++;
1895 break;
1896 case 'A':
1897 do_arch ++;
1898 break;
1899 case 'D':
1900 do_using_dynamic ++;
1901 break;
1902 case 'r':
1903 do_reloc ++;
1904 break;
1905 case 'h':
1906 do_header ++;
1907 break;
1908 case 'l':
1909 do_segments ++;
1910 break;
1911 case 's':
1912 do_syms ++;
1913 break;
1914 case 'S':
1915 do_sections ++;
1916 break;
1917 case 'd':
1918 do_dynamic ++;
1919 break;
1920 case 'I':
1921 do_histogram ++;
1922 break;
1923 case 'n':
1924 do_notes ++;
1925 break;
1926 case 'x':
1927 do_dump ++;
1928 section = strtoul (optarg, & cp, 0);
1929 if (! * cp && section >= 0)
1930 {
1931 request_dump (section, HEX_DUMP);
1932 break;
1933 }
1934 goto oops;
1935 case 'w':
1936 do_dump ++;
1937 if (optarg == 0)
1938 do_debugging = 1;
1939 else
1940 {
1941 do_debugging = 0;
1942 switch (optarg[0])
1943 {
1944 case 'i':
1945 case 'I':
1946 do_debug_info = 1;
1947 break;
1948
1949 case 'a':
1950 case 'A':
1951 do_debug_abbrevs = 1;
1952 break;
1953
1954 case 'l':
1955 case 'L':
1956 do_debug_lines = 1;
1957 break;
1958
1959 case 'p':
1960 case 'P':
1961 do_debug_pubnames = 1;
1962 break;
1963
1964 case 'r':
1965 case 'R':
1966 do_debug_aranges = 1;
1967 break;
1968
1969 default:
1970 warn (_("Unrecognised debug option '%s'\n"), optarg);
1971 break;
1972 }
1973 }
1974 break;
1975 #ifdef SUPPORT_DISASSEMBLY
1976 case 'i':
1977 do_dump ++;
1978 section = strtoul (optarg, & cp, 0);
1979 if (! * cp && section >= 0)
1980 {
1981 request_dump (section, DISASS_DUMP);
1982 break;
1983 }
1984 goto oops;
1985 #endif
1986 case 'v':
1987 print_version (program_name);
1988 break;
1989 case 'V':
1990 do_version ++;
1991 break;
1992 default:
1993 oops:
1994 /* xgettext:c-format */
1995 error (_("Invalid option '-%c'\n"), c);
1996 /* Drop through. */
1997 case '?':
1998 usage ();
1999 }
2000 }
2001
2002 if (!do_dynamic && !do_syms && !do_reloc && !do_sections
2003 && !do_segments && !do_header && !do_dump && !do_version
2004 && !do_histogram && !do_debugging && !do_arch && !do_notes)
2005 usage ();
2006 else if (argc < 3)
2007 {
2008 warn (_("Nothing to do.\n"));
2009 usage();
2010 }
2011 }
2012
2013 static const char *
2014 get_elf_class (elf_class)
2015 unsigned char elf_class;
2016 {
2017 static char buff [32];
2018
2019 switch (elf_class)
2020 {
2021 case ELFCLASSNONE: return _("none");
2022 case ELFCLASS32: return _("ELF32");
2023 case ELFCLASS64: return _("ELF64");
2024 default:
2025 sprintf (buff, _("<unknown: %x>"), elf_class);
2026 return buff;
2027 }
2028 }
2029
2030 static const char *
2031 get_data_encoding (encoding)
2032 unsigned char encoding;
2033 {
2034 static char buff [32];
2035
2036 switch (encoding)
2037 {
2038 case ELFDATANONE: return _("none");
2039 case ELFDATA2LSB: return _("2's complement, little endian");
2040 case ELFDATA2MSB: return _("2's complement, big endian");
2041 default:
2042 sprintf (buff, _("<unknown: %x>"), encoding);
2043 return buff;
2044 }
2045 }
2046
2047 static const char *
2048 get_osabi_name (osabi)
2049 unsigned char osabi;
2050 {
2051 static char buff [32];
2052
2053 switch (osabi)
2054 {
2055 case ELFOSABI_SYSV: return _("UNIX - System V");
2056 case ELFOSABI_HPUX: return _("UNIX - HP-UX");
2057 case ELFOSABI_LINUX: return _("UNIX - Linux");
2058 case ELFOSABI_STANDALONE: return _("Standalone App");
2059 case ELFOSABI_ARM: return _("ARM");
2060 default:
2061 sprintf (buff, _("<unknown: %x>"), osabi);
2062 return buff;
2063 }
2064 }
2065
2066 /* Decode the data held in 'elf_header'. */
2067 static int
2068 process_file_header ()
2069 {
2070 if ( elf_header.e_ident [EI_MAG0] != ELFMAG0
2071 || elf_header.e_ident [EI_MAG1] != ELFMAG1
2072 || elf_header.e_ident [EI_MAG2] != ELFMAG2
2073 || elf_header.e_ident [EI_MAG3] != ELFMAG3)
2074 {
2075 error
2076 (_("Not an ELF file - it has the wrong magic bytes at the start\n"));
2077 return 0;
2078 }
2079
2080 if (do_header)
2081 {
2082 int i;
2083
2084 printf (_("ELF Header:\n"));
2085 printf (_(" Magic: "));
2086 for (i = 0; i < EI_NIDENT; i ++)
2087 printf ("%2.2x ", elf_header.e_ident [i]);
2088 printf ("\n");
2089 printf (_(" Class: %s\n"),
2090 get_elf_class (elf_header.e_ident [EI_CLASS]));
2091 printf (_(" Data: %s\n"),
2092 get_data_encoding (elf_header.e_ident [EI_DATA]));
2093 printf (_(" Version: %d %s\n"),
2094 elf_header.e_ident [EI_VERSION],
2095 (elf_header.e_ident [EI_VERSION] == EV_CURRENT
2096 ? "(current)"
2097 : (elf_header.e_ident [EI_VERSION] != EV_NONE
2098 ? "<unknown: %lx>"
2099 : "")));
2100 printf (_(" OS/ABI: %s\n"),
2101 get_osabi_name (elf_header.e_ident [EI_OSABI]));
2102 printf (_(" ABI Version: %d\n"),
2103 elf_header.e_ident [EI_ABIVERSION]);
2104 printf (_(" Type: %s\n"),
2105 get_file_type (elf_header.e_type));
2106 printf (_(" Machine: %s\n"),
2107 get_machine_name (elf_header.e_machine));
2108 printf (_(" Version: 0x%lx\n"),
2109 (unsigned long) elf_header.e_version);
2110
2111 printf (_(" Entry point address: "));
2112 print_vma ((bfd_vma) elf_header.e_entry, PREFIX_HEX);
2113 printf (_("\n Start of program headers: "));
2114 print_vma ((bfd_vma) elf_header.e_phoff, DEC);
2115 printf (_(" (bytes into file)\n Start of section headers: "));
2116 print_vma ((bfd_vma) elf_header.e_shoff, DEC);
2117 printf (_(" (bytes into file)\n"));
2118
2119 printf (_(" Flags: 0x%lx%s\n"),
2120 (unsigned long) elf_header.e_flags,
2121 get_machine_flags (elf_header.e_flags, elf_header.e_machine));
2122 printf (_(" Size of this header: %ld (bytes)\n"),
2123 (long) elf_header.e_ehsize);
2124 printf (_(" Size of program headers: %ld (bytes)\n"),
2125 (long) elf_header.e_phentsize);
2126 printf (_(" Number of program headers: %ld\n"),
2127 (long) elf_header.e_phnum);
2128 printf (_(" Size of section headers: %ld (bytes)\n"),
2129 (long) elf_header.e_shentsize);
2130 printf (_(" Number of section headers: %ld\n"),
2131 (long) elf_header.e_shnum);
2132 printf (_(" Section header string table index: %ld\n"),
2133 (long) elf_header.e_shstrndx);
2134 }
2135
2136 return 1;
2137 }
2138
2139
2140 static int
2141 get_32bit_program_headers (file, program_headers)
2142 FILE * file;
2143 Elf_Internal_Phdr * program_headers;
2144 {
2145 Elf32_External_Phdr * phdrs;
2146 Elf32_External_Phdr * external;
2147 Elf32_Internal_Phdr * internal;
2148 unsigned int i;
2149
2150 GET_DATA_ALLOC (elf_header.e_phoff,
2151 elf_header.e_phentsize * elf_header.e_phnum,
2152 phdrs, Elf32_External_Phdr *, "program headers");
2153
2154 for (i = 0, internal = program_headers, external = phdrs;
2155 i < elf_header.e_phnum;
2156 i ++, internal ++, external ++)
2157 {
2158 internal->p_type = BYTE_GET (external->p_type);
2159 internal->p_offset = BYTE_GET (external->p_offset);
2160 internal->p_vaddr = BYTE_GET (external->p_vaddr);
2161 internal->p_paddr = BYTE_GET (external->p_paddr);
2162 internal->p_filesz = BYTE_GET (external->p_filesz);
2163 internal->p_memsz = BYTE_GET (external->p_memsz);
2164 internal->p_flags = BYTE_GET (external->p_flags);
2165 internal->p_align = BYTE_GET (external->p_align);
2166 }
2167
2168 free (phdrs);
2169
2170 return 1;
2171 }
2172
2173 static int
2174 get_64bit_program_headers (file, program_headers)
2175 FILE * file;
2176 Elf_Internal_Phdr * program_headers;
2177 {
2178 Elf64_External_Phdr * phdrs;
2179 Elf64_External_Phdr * external;
2180 Elf64_Internal_Phdr * internal;
2181 unsigned int i;
2182
2183 GET_DATA_ALLOC (elf_header.e_phoff,
2184 elf_header.e_phentsize * elf_header.e_phnum,
2185 phdrs, Elf64_External_Phdr *, "program headers");
2186
2187 for (i = 0, internal = program_headers, external = phdrs;
2188 i < elf_header.e_phnum;
2189 i ++, internal ++, external ++)
2190 {
2191 internal->p_type = BYTE_GET (external->p_type);
2192 internal->p_flags = BYTE_GET (external->p_flags);
2193 internal->p_offset = BYTE_GET8 (external->p_offset);
2194 internal->p_vaddr = BYTE_GET8 (external->p_vaddr);
2195 internal->p_paddr = BYTE_GET8 (external->p_paddr);
2196 internal->p_filesz = BYTE_GET8 (external->p_filesz);
2197 internal->p_memsz = BYTE_GET8 (external->p_memsz);
2198 internal->p_align = BYTE_GET8 (external->p_align);
2199 }
2200
2201 free (phdrs);
2202
2203 return 1;
2204 }
2205
2206 static int
2207 process_program_headers (file)
2208 FILE * file;
2209 {
2210 Elf_Internal_Phdr * program_headers;
2211 Elf_Internal_Phdr * segment;
2212 unsigned int i;
2213
2214 if (elf_header.e_phnum == 0)
2215 {
2216 if (do_segments)
2217 printf (_("\nThere are no program headers in this file.\n"));
2218 return 1;
2219 }
2220
2221 if (do_segments && !do_header)
2222 {
2223 printf (_("\nElf file type is %s\n"), get_file_type (elf_header.e_type));
2224 printf (_("Entry point "));
2225 print_vma ((bfd_vma) elf_header.e_entry, PREFIX_HEX);
2226 printf (_("\nThere are %d program headers, starting at offset "),
2227 elf_header.e_phnum);
2228 print_vma ((bfd_vma) elf_header.e_phoff, DEC);
2229 printf ("\n");
2230 }
2231
2232 program_headers = (Elf_Internal_Phdr *) malloc
2233 (elf_header.e_phnum * sizeof (Elf_Internal_Phdr));
2234
2235 if (program_headers == NULL)
2236 {
2237 error (_("Out of memory\n"));
2238 return 0;
2239 }
2240
2241 if (is_32bit_elf)
2242 i = get_32bit_program_headers (file, program_headers);
2243 else
2244 i = get_64bit_program_headers (file, program_headers);
2245
2246 if (i == 0)
2247 {
2248 free (program_headers);
2249 return 0;
2250 }
2251
2252 if (do_segments)
2253 {
2254 printf
2255 (_("\nProgram Header%s:\n"), elf_header.e_phnum > 1 ? "s" : "");
2256
2257 if (is_32bit_elf)
2258 printf
2259 (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n"));
2260 else
2261 {
2262 printf
2263 (_(" Type Offset VirtAddr PhysAddr\n"));
2264 printf
2265 (_(" FileSiz MemSiz Flags Align\n"));
2266 }
2267 }
2268
2269 loadaddr = -1;
2270 dynamic_addr = 0;
2271 dynamic_size = 0;
2272
2273 for (i = 0, segment = program_headers;
2274 i < elf_header.e_phnum;
2275 i ++, segment ++)
2276 {
2277 if (do_segments)
2278 {
2279 printf (" %-14.14s ", get_segment_type (segment->p_type));
2280
2281 if (is_32bit_elf)
2282 {
2283 printf ("0x%6.6lx ", (unsigned long) segment->p_offset);
2284 printf ("0x%8.8lx ", (unsigned long) segment->p_vaddr);
2285 printf ("0x%8.8lx ", (unsigned long) segment->p_paddr);
2286 printf ("0x%5.5lx ", (unsigned long) segment->p_filesz);
2287 printf ("0x%5.5lx ", (unsigned long) segment->p_memsz);
2288 printf ("%c%c%c ",
2289 (segment->p_flags & PF_R ? 'R' : ' '),
2290 (segment->p_flags & PF_W ? 'W' : ' '),
2291 (segment->p_flags & PF_X ? 'E' : ' '));
2292 printf ("%#lx", (unsigned long) segment->p_align);
2293 }
2294 else
2295 {
2296 print_vma (segment->p_offset, FULL_HEX);
2297 putchar (' ');
2298 print_vma (segment->p_vaddr, FULL_HEX);
2299 putchar (' ');
2300 print_vma (segment->p_paddr, FULL_HEX);
2301 printf ("\n ");
2302 print_vma (segment->p_filesz, FULL_HEX);
2303 putchar (' ');
2304 print_vma (segment->p_memsz, FULL_HEX);
2305 printf (" %c%c%c ",
2306 (segment->p_flags & PF_R ? 'R' : ' '),
2307 (segment->p_flags & PF_W ? 'W' : ' '),
2308 (segment->p_flags & PF_X ? 'E' : ' '));
2309 print_vma (segment->p_align, HEX);
2310 }
2311 }
2312
2313 switch (segment->p_type)
2314 {
2315 case PT_LOAD:
2316 if (loadaddr == -1)
2317 loadaddr = (segment->p_vaddr & 0xfffff000)
2318 - (segment->p_offset & 0xfffff000);
2319 break;
2320
2321 case PT_DYNAMIC:
2322 if (dynamic_addr)
2323 error (_("more than one dynamic segment\n"));
2324
2325 dynamic_addr = segment->p_offset;
2326 dynamic_size = segment->p_filesz;
2327 break;
2328
2329 case PT_INTERP:
2330 if (fseek (file, (long) segment->p_offset, SEEK_SET))
2331 error (_("Unable to find program interpreter name\n"));
2332 else
2333 {
2334 program_interpreter[0] = 0;
2335 fscanf (file, "%63s", program_interpreter);
2336
2337 if (do_segments)
2338 printf (_("\n [Requesting program interpreter: %s]"),
2339 program_interpreter);
2340 }
2341 break;
2342 }
2343
2344 if (do_segments)
2345 putc ('\n', stdout);
2346 }
2347
2348 if (loadaddr == -1)
2349 {
2350 /* Very strange. */
2351 loadaddr = 0;
2352 }
2353
2354 if (do_segments && section_headers != NULL)
2355 {
2356 printf (_("\n Section to Segment mapping:\n"));
2357 printf (_(" Segment Sections...\n"));
2358
2359 assert (string_table != NULL);
2360
2361 for (i = 0; i < elf_header.e_phnum; i++)
2362 {
2363 int j;
2364 Elf_Internal_Shdr * section;
2365
2366 segment = program_headers + i;
2367 section = section_headers;
2368
2369 printf (" %2.2d ", i);
2370
2371 for (j = 0; j < elf_header.e_shnum; j++, section ++)
2372 {
2373 if (section->sh_size > 0
2374 /* Compare allocated sections by VMA, unallocated
2375 sections by file offset. */
2376 && (section->sh_flags & SHF_ALLOC
2377 ? (section->sh_addr >= segment->p_vaddr
2378 && section->sh_addr + section->sh_size
2379 <= segment->p_vaddr + segment->p_memsz)
2380 : ((bfd_vma) section->sh_offset >= segment->p_offset
2381 && (section->sh_offset + section->sh_size
2382 <= segment->p_offset + segment->p_filesz))))
2383 printf ("%s ", SECTION_NAME (section));
2384 }
2385
2386 putc ('\n',stdout);
2387 }
2388 }
2389
2390 free (program_headers);
2391
2392 return 1;
2393 }
2394
2395
2396 static int
2397 get_32bit_section_headers (file)
2398 FILE * file;
2399 {
2400 Elf32_External_Shdr * shdrs;
2401 Elf32_Internal_Shdr * internal;
2402 unsigned int i;
2403
2404 GET_DATA_ALLOC (elf_header.e_shoff,
2405 elf_header.e_shentsize * elf_header.e_shnum,
2406 shdrs, Elf32_External_Shdr *, "section headers");
2407
2408 section_headers = (Elf_Internal_Shdr *) malloc
2409 (elf_header.e_shnum * sizeof (Elf_Internal_Shdr));
2410
2411 if (section_headers == NULL)
2412 {
2413 error (_("Out of memory\n"));
2414 return 0;
2415 }
2416
2417 for (i = 0, internal = section_headers;
2418 i < elf_header.e_shnum;
2419 i ++, internal ++)
2420 {
2421 internal->sh_name = BYTE_GET (shdrs[i].sh_name);
2422 internal->sh_type = BYTE_GET (shdrs[i].sh_type);
2423 internal->sh_flags = BYTE_GET (shdrs[i].sh_flags);
2424 internal->sh_addr = BYTE_GET (shdrs[i].sh_addr);
2425 internal->sh_offset = BYTE_GET (shdrs[i].sh_offset);
2426 internal->sh_size = BYTE_GET (shdrs[i].sh_size);
2427 internal->sh_link = BYTE_GET (shdrs[i].sh_link);
2428 internal->sh_info = BYTE_GET (shdrs[i].sh_info);
2429 internal->sh_addralign = BYTE_GET (shdrs[i].sh_addralign);
2430 internal->sh_entsize = BYTE_GET (shdrs[i].sh_entsize);
2431 }
2432
2433 free (shdrs);
2434
2435 return 1;
2436 }
2437
2438 static int
2439 get_64bit_section_headers (file)
2440 FILE * file;
2441 {
2442 Elf64_External_Shdr * shdrs;
2443 Elf64_Internal_Shdr * internal;
2444 unsigned int i;
2445
2446 GET_DATA_ALLOC (elf_header.e_shoff,
2447 elf_header.e_shentsize * elf_header.e_shnum,
2448 shdrs, Elf64_External_Shdr *, "section headers");
2449
2450 section_headers = (Elf_Internal_Shdr *) malloc
2451 (elf_header.e_shnum * sizeof (Elf_Internal_Shdr));
2452
2453 if (section_headers == NULL)
2454 {
2455 error (_("Out of memory\n"));
2456 return 0;
2457 }
2458
2459 for (i = 0, internal = section_headers;
2460 i < elf_header.e_shnum;
2461 i ++, internal ++)
2462 {
2463 internal->sh_name = BYTE_GET (shdrs[i].sh_name);
2464 internal->sh_type = BYTE_GET (shdrs[i].sh_type);
2465 internal->sh_flags = BYTE_GET8 (shdrs[i].sh_flags);
2466 internal->sh_addr = BYTE_GET8 (shdrs[i].sh_addr);
2467 internal->sh_size = BYTE_GET8 (shdrs[i].sh_size);
2468 internal->sh_entsize = BYTE_GET8 (shdrs[i].sh_entsize);
2469 internal->sh_link = BYTE_GET (shdrs[i].sh_link);
2470 internal->sh_info = BYTE_GET (shdrs[i].sh_info);
2471 internal->sh_offset = BYTE_GET (shdrs[i].sh_offset);
2472 internal->sh_addralign = BYTE_GET (shdrs[i].sh_addralign);
2473 }
2474
2475 free (shdrs);
2476
2477 return 1;
2478 }
2479
2480 static Elf_Internal_Sym *
2481 get_32bit_elf_symbols (file, offset, number)
2482 FILE * file;
2483 unsigned long offset;
2484 unsigned long number;
2485 {
2486 Elf32_External_Sym * esyms;
2487 Elf_Internal_Sym * isyms;
2488 Elf_Internal_Sym * psym;
2489 unsigned int j;
2490
2491 GET_DATA_ALLOC (offset, number * sizeof (Elf32_External_Sym),
2492 esyms, Elf32_External_Sym *, "symbols");
2493
2494 isyms = (Elf_Internal_Sym *) malloc (number * sizeof (Elf_Internal_Sym));
2495
2496 if (isyms == NULL)
2497 {
2498 error (_("Out of memory\n"));
2499 free (esyms);
2500
2501 return NULL;
2502 }
2503
2504 for (j = 0, psym = isyms;
2505 j < number;
2506 j ++, psym ++)
2507 {
2508 psym->st_name = BYTE_GET (esyms[j].st_name);
2509 psym->st_value = BYTE_GET (esyms[j].st_value);
2510 psym->st_size = BYTE_GET (esyms[j].st_size);
2511 psym->st_shndx = BYTE_GET (esyms[j].st_shndx);
2512 psym->st_info = BYTE_GET (esyms[j].st_info);
2513 psym->st_other = BYTE_GET (esyms[j].st_other);
2514 }
2515
2516 free (esyms);
2517
2518 return isyms;
2519 }
2520
2521 static Elf_Internal_Sym *
2522 get_64bit_elf_symbols (file, offset, number)
2523 FILE * file;
2524 unsigned long offset;
2525 unsigned long number;
2526 {
2527 Elf64_External_Sym * esyms;
2528 Elf_Internal_Sym * isyms;
2529 Elf_Internal_Sym * psym;
2530 unsigned int j;
2531
2532 GET_DATA_ALLOC (offset, number * sizeof (Elf64_External_Sym),
2533 esyms, Elf64_External_Sym *, "symbols");
2534
2535 isyms = (Elf_Internal_Sym *) malloc (number * sizeof (Elf_Internal_Sym));
2536
2537 if (isyms == NULL)
2538 {
2539 error (_("Out of memory\n"));
2540 free (esyms);
2541
2542 return NULL;
2543 }
2544
2545 for (j = 0, psym = isyms;
2546 j < number;
2547 j ++, psym ++)
2548 {
2549 psym->st_name = BYTE_GET (esyms[j].st_name);
2550 psym->st_info = BYTE_GET (esyms[j].st_info);
2551 psym->st_other = BYTE_GET (esyms[j].st_other);
2552 psym->st_shndx = BYTE_GET (esyms[j].st_shndx);
2553 psym->st_value = BYTE_GET8 (esyms[j].st_value);
2554 psym->st_size = BYTE_GET8 (esyms[j].st_size);
2555 }
2556
2557 free (esyms);
2558
2559 return isyms;
2560 }
2561
2562 static const char *
2563 get_elf_section_flags (sh_flags)
2564 bfd_vma sh_flags;
2565 {
2566 static char buff [32];
2567
2568 * buff = 0;
2569
2570 while (sh_flags)
2571 {
2572 bfd_vma flag;
2573
2574 flag = sh_flags & - sh_flags;
2575 sh_flags &= ~ flag;
2576
2577 switch (flag)
2578 {
2579 case SHF_WRITE: strcat (buff, "W"); break;
2580 case SHF_ALLOC: strcat (buff, "A"); break;
2581 case SHF_EXECINSTR: strcat (buff, "X"); break;
2582 case SHF_MERGE: strcat (buff, "M"); break;
2583 case SHF_STRINGS: strcat (buff, "S"); break;
2584 case SHF_INFO_LINK: strcat (buff, "I"); break;
2585 case SHF_LINK_ORDER: strcat (buff, "L"); break;
2586 case SHF_OS_NONCONFORMING: strcat (buff, "O"); break;
2587
2588 default:
2589 if (flag & SHF_MASKOS)
2590 {
2591 strcat (buff, "o");
2592 sh_flags &= ~ SHF_MASKOS;
2593 }
2594 else if (flag & SHF_MASKPROC)
2595 {
2596 strcat (buff, "p");
2597 sh_flags &= ~ SHF_MASKPROC;
2598 }
2599 else
2600 strcat (buff, "x");
2601 break;
2602 }
2603 }
2604
2605 return buff;
2606 }
2607
2608 static int
2609 process_section_headers (file)
2610 FILE * file;
2611 {
2612 Elf_Internal_Shdr * section;
2613 int i;
2614
2615 section_headers = NULL;
2616
2617 if (elf_header.e_shnum == 0)
2618 {
2619 if (do_sections)
2620 printf (_("\nThere are no sections in this file.\n"));
2621
2622 return 1;
2623 }
2624
2625 if (do_sections && !do_header)
2626 printf (_("There are %d section headers, starting at offset 0x%lx:\n"),
2627 elf_header.e_shnum, (unsigned long) elf_header.e_shoff);
2628
2629 if (is_32bit_elf)
2630 {
2631 if (! get_32bit_section_headers (file))
2632 return 0;
2633 }
2634 else if (! get_64bit_section_headers (file))
2635 return 0;
2636
2637 /* Read in the string table, so that we have names to display. */
2638 section = section_headers + elf_header.e_shstrndx;
2639
2640 if (section->sh_size != 0)
2641 {
2642 unsigned long string_table_offset;
2643
2644 string_table_offset = section->sh_offset;
2645
2646 GET_DATA_ALLOC (section->sh_offset, section->sh_size,
2647 string_table, char *, "string table");
2648 }
2649
2650 /* Scan the sections for the dynamic symbol table
2651 and dynamic string table and debug sections. */
2652 dynamic_symbols = NULL;
2653 dynamic_strings = NULL;
2654 dynamic_syminfo = NULL;
2655
2656 for (i = 0, section = section_headers;
2657 i < elf_header.e_shnum;
2658 i ++, section ++)
2659 {
2660 char * name = SECTION_NAME (section);
2661
2662 if (section->sh_type == SHT_DYNSYM)
2663 {
2664 if (dynamic_symbols != NULL)
2665 {
2666 error (_("File contains multiple dynamic symbol tables\n"));
2667 continue;
2668 }
2669
2670 num_dynamic_syms = section->sh_size / section->sh_entsize;
2671 dynamic_symbols =
2672 GET_ELF_SYMBOLS (file, section->sh_offset, num_dynamic_syms);
2673 }
2674 else if (section->sh_type == SHT_STRTAB
2675 && strcmp (name, ".dynstr") == 0)
2676 {
2677 if (dynamic_strings != NULL)
2678 {
2679 error (_("File contains multiple dynamic string tables\n"));
2680 continue;
2681 }
2682
2683 GET_DATA_ALLOC (section->sh_offset, section->sh_size,
2684 dynamic_strings, char *, "dynamic strings");
2685 }
2686 else if ((do_debugging || do_debug_info || do_debug_abbrevs
2687 || do_debug_lines || do_debug_pubnames || do_debug_aranges)
2688 && strncmp (name, ".debug_", 7) == 0)
2689 {
2690 name += 7;
2691
2692 if (do_debugging
2693 || (do_debug_info && (strcmp (name, "info") == 0))
2694 || (do_debug_abbrevs && (strcmp (name, "abbrev") == 0))
2695 || (do_debug_lines && (strcmp (name, "line") == 0))
2696 || (do_debug_pubnames && (strcmp (name, "pubnames") == 0))
2697 || (do_debug_aranges && (strcmp (name, "aranges") == 0))
2698 )
2699 request_dump (i, DEBUG_DUMP);
2700 }
2701 }
2702
2703 if (! do_sections)
2704 return 1;
2705
2706 printf (_("\nSection Header%s:\n"), elf_header.e_shnum > 1 ? "s" : "");
2707
2708 if (is_32bit_elf)
2709 printf
2710 (_(" [Nr] Name Type Addr Off Size ES Flg Lk Inf Al\n"));
2711 else
2712 {
2713 printf (_(" [Nr] Name Type Address Offset\n"));
2714 printf (_(" Size EntSize Flags Link Info Align\n"));
2715 }
2716
2717 for (i = 0, section = section_headers;
2718 i < elf_header.e_shnum;
2719 i ++, section ++)
2720 {
2721 printf (" [%2d] %-17.17s %-15.15s ",
2722 i,
2723 SECTION_NAME (section),
2724 get_section_type_name (section->sh_type));
2725
2726 if (is_32bit_elf)
2727 {
2728 print_vma (section->sh_addr, LONG_HEX);
2729
2730 printf ( " %6.6lx %6.6lx %2.2lx",
2731 (unsigned long) section->sh_offset,
2732 (unsigned long) section->sh_size,
2733 (unsigned long) section->sh_entsize);
2734
2735 printf (" %3s ", get_elf_section_flags (section->sh_flags));
2736
2737 printf (" %2ld %3lx %ld\n",
2738 (unsigned long) section->sh_link,
2739 (unsigned long) section->sh_info,
2740 (unsigned long) section->sh_addralign);
2741 }
2742 else
2743 {
2744 putchar (' ');
2745 print_vma (section->sh_addr, LONG_HEX);
2746 printf (" %8.8lx", section->sh_offset);
2747 printf ("\n ");
2748 print_vma (section->sh_size, LONG_HEX);
2749 printf (" ");
2750 print_vma (section->sh_entsize, LONG_HEX);
2751
2752 printf (" %3s ", get_elf_section_flags (section->sh_flags));
2753
2754 printf (" %2ld %3lx %ld\n",
2755 (unsigned long) section->sh_link,
2756 (unsigned long) section->sh_info,
2757 (unsigned long) section->sh_addralign);
2758 }
2759 }
2760
2761 printf (_("Key to Flags: W (write), A (alloc), X (execute), M (merge), S (strings)\n"));
2762 printf (_(" I (info), L (link order), O (extra OS processing required)\n"));
2763 printf (_(" o (os specific), p (processor specific) x (unknown)\n"));
2764
2765 return 1;
2766 }
2767
2768 /* Process the reloc section. */
2769 static int
2770 process_relocs (file)
2771 FILE * file;
2772 {
2773 unsigned long rel_size;
2774 unsigned long rel_offset;
2775
2776
2777 if (!do_reloc)
2778 return 1;
2779
2780 if (do_using_dynamic)
2781 {
2782 int is_rela = FALSE;
2783
2784 rel_size = 0;
2785 rel_offset = 0;
2786
2787 if (dynamic_info[DT_REL])
2788 {
2789 rel_offset = dynamic_info[DT_REL];
2790 rel_size = dynamic_info[DT_RELSZ];
2791 is_rela = FALSE;
2792 }
2793 else if (dynamic_info [DT_RELA])
2794 {
2795 rel_offset = dynamic_info[DT_RELA];
2796 rel_size = dynamic_info[DT_RELASZ];
2797 is_rela = TRUE;
2798 }
2799 else if (dynamic_info[DT_JMPREL])
2800 {
2801 rel_offset = dynamic_info[DT_JMPREL];
2802 rel_size = dynamic_info[DT_PLTRELSZ];
2803
2804 switch (dynamic_info[DT_PLTREL])
2805 {
2806 case DT_REL:
2807 is_rela = FALSE;
2808 break;
2809 case DT_RELA:
2810 is_rela = TRUE;
2811 break;
2812 default:
2813 is_rela = UNKNOWN;
2814 break;
2815 }
2816 }
2817
2818 if (rel_size)
2819 {
2820 printf
2821 (_("\nRelocation section at offset 0x%lx contains %ld bytes:\n"),
2822 rel_offset, rel_size);
2823
2824 dump_relocations (file, rel_offset - loadaddr, rel_size,
2825 dynamic_symbols, num_dynamic_syms, dynamic_strings, is_rela);
2826 }
2827 else
2828 printf (_("\nThere are no dynamic relocations in this file.\n"));
2829 }
2830 else
2831 {
2832 Elf32_Internal_Shdr * section;
2833 unsigned long i;
2834 int found = 0;
2835
2836 for (i = 0, section = section_headers;
2837 i < elf_header.e_shnum;
2838 i++, section ++)
2839 {
2840 if ( section->sh_type != SHT_RELA
2841 && section->sh_type != SHT_REL)
2842 continue;
2843
2844 rel_offset = section->sh_offset;
2845 rel_size = section->sh_size;
2846
2847 if (rel_size)
2848 {
2849 Elf32_Internal_Shdr * strsec;
2850 Elf32_Internal_Shdr * symsec;
2851 Elf_Internal_Sym * symtab;
2852 char * strtab;
2853 int is_rela;
2854 unsigned long nsyms;
2855
2856 printf (_("\nRelocation section "));
2857
2858 if (string_table == NULL)
2859 printf ("%d", section->sh_name);
2860 else
2861 printf ("'%s'", SECTION_NAME (section));
2862
2863 printf (_(" at offset 0x%lx contains %lu entries:\n"),
2864 rel_offset, (unsigned long) (rel_size / section->sh_entsize));
2865
2866 symsec = section_headers + section->sh_link;
2867
2868 nsyms = symsec->sh_size / symsec->sh_entsize;
2869 symtab = GET_ELF_SYMBOLS (file, symsec->sh_offset, nsyms);
2870
2871 if (symtab == NULL)
2872 continue;
2873
2874 strsec = section_headers + symsec->sh_link;
2875
2876 GET_DATA_ALLOC (strsec->sh_offset, strsec->sh_size, strtab,
2877 char *, "string table");
2878
2879 is_rela = section->sh_type == SHT_RELA;
2880
2881 dump_relocations (file, rel_offset, rel_size, symtab, nsyms, strtab, is_rela);
2882
2883 free (strtab);
2884 free (symtab);
2885
2886 found = 1;
2887 }
2888 }
2889
2890 if (! found)
2891 printf (_("\nThere are no relocations in this file.\n"));
2892 }
2893
2894 return 1;
2895 }
2896
2897
2898 static void
2899 dynamic_segment_mips_val (entry)
2900 Elf_Internal_Dyn * entry;
2901 {
2902 switch (entry->d_tag)
2903 {
2904 case DT_MIPS_FLAGS:
2905 if (entry->d_un.d_val == 0)
2906 printf ("NONE\n");
2907 else
2908 {
2909 static const char * opts[] =
2910 {
2911 "QUICKSTART", "NOTPOT", "NO_LIBRARY_REPLACEMENT",
2912 "NO_MOVE", "SGI_ONLY", "GUARANTEE_INIT", "DELTA_C_PLUS_PLUS",
2913 "GUARANTEE_START_INIT", "PIXIE", "DEFAULT_DELAY_LOAD",
2914 "REQUICKSTART", "REQUICKSTARTED", "CORD", "NO_UNRES_UNDEF",
2915 "RLD_ORDER_SAFE"
2916 };
2917 unsigned int cnt;
2918 int first = 1;
2919 for (cnt = 0; cnt < NUM_ELEM (opts); ++ cnt)
2920 if (entry->d_un.d_val & (1 << cnt))
2921 {
2922 printf ("%s%s", first ? "" : " ", opts[cnt]);
2923 first = 0;
2924 }
2925 puts ("");
2926 }
2927 break;
2928
2929 case DT_MIPS_IVERSION:
2930 if (dynamic_strings != NULL)
2931 printf ("Interface Version: %s\n",
2932 dynamic_strings + entry->d_un.d_val);
2933 else
2934 printf ("%ld\n", (long) entry->d_un.d_ptr);
2935 break;
2936
2937 case DT_MIPS_TIME_STAMP:
2938 {
2939 char timebuf[20];
2940 time_t time = entry->d_un.d_val;
2941 strftime (timebuf, 20, "%Y-%m-%dT%H:%M:%S", gmtime (&time));
2942 printf ("Time Stamp: %s\n", timebuf);
2943 }
2944 break;
2945
2946 case DT_MIPS_RLD_VERSION:
2947 case DT_MIPS_LOCAL_GOTNO:
2948 case DT_MIPS_CONFLICTNO:
2949 case DT_MIPS_LIBLISTNO:
2950 case DT_MIPS_SYMTABNO:
2951 case DT_MIPS_UNREFEXTNO:
2952 case DT_MIPS_HIPAGENO:
2953 case DT_MIPS_DELTA_CLASS_NO:
2954 case DT_MIPS_DELTA_INSTANCE_NO:
2955 case DT_MIPS_DELTA_RELOC_NO:
2956 case DT_MIPS_DELTA_SYM_NO:
2957 case DT_MIPS_DELTA_CLASSSYM_NO:
2958 case DT_MIPS_COMPACT_SIZE:
2959 printf ("%ld\n", (long) entry->d_un.d_ptr);
2960 break;
2961
2962 default:
2963 printf ("%#lx\n", (long) entry->d_un.d_ptr);
2964 }
2965 }
2966
2967
2968 static void
2969 dynamic_segment_parisc_val (entry)
2970 Elf_Internal_Dyn * entry;
2971 {
2972 switch (entry->d_tag)
2973 {
2974 case DT_HP_DLD_FLAGS:
2975 {
2976 static struct
2977 {
2978 long int bit;
2979 const char * str;
2980 }
2981 flags[] =
2982 {
2983 { DT_HP_DEBUG_PRIVATE, "HP_DEBUG_PRIVATE" },
2984 { DT_HP_DEBUG_CALLBACK, "HP_DEBUG_CALLBACK" },
2985 { DT_HP_DEBUG_CALLBACK_BOR, "HP_DEBUG_CALLBACK_BOR" },
2986 { DT_HP_NO_ENVVAR, "HP_NO_ENVVAR" },
2987 { DT_HP_BIND_NOW, "HP_BIND_NOW" },
2988 { DT_HP_BIND_NONFATAL, "HP_BIND_NONFATAL" },
2989 { DT_HP_BIND_VERBOSE, "HP_BIND_VERBOSE" },
2990 { DT_HP_BIND_RESTRICTED, "HP_BIND_RESTRICTED" },
2991 { DT_HP_BIND_SYMBOLIC, "HP_BIND_SYMBOLIC" },
2992 { DT_HP_RPATH_FIRST, "HP_RPATH_FIRST" },
2993 { DT_HP_BIND_DEPTH_FIRST, "HP_BIND_DEPTH_FIRST" }
2994 };
2995 int first = 1;
2996 size_t cnt;
2997 bfd_vma val = entry->d_un.d_val;
2998
2999 for (cnt = 0; cnt < sizeof (flags) / sizeof (flags[0]); ++cnt)
3000 if (val & flags[cnt].bit)
3001 {
3002 if (! first)
3003 putchar (' ');
3004 fputs (flags[cnt].str, stdout);
3005 first = 0;
3006 val ^= flags[cnt].bit;
3007 }
3008
3009 if (val != 0 || first)
3010 {
3011 if (! first)
3012 putchar (' ');
3013 print_vma (val, HEX);
3014 }
3015 }
3016 break;
3017
3018 default:
3019 print_vma (entry->d_un.d_ptr, PREFIX_HEX);
3020 break;
3021 }
3022 }
3023
3024 static int
3025 get_32bit_dynamic_segment (file)
3026 FILE * file;
3027 {
3028 Elf32_External_Dyn * edyn;
3029 Elf_Internal_Dyn * entry;
3030 bfd_size_type i;
3031
3032 GET_DATA_ALLOC (dynamic_addr, dynamic_size,
3033 edyn, Elf32_External_Dyn *, "dynamic segment");
3034
3035 /* SGI's ELF has more than one section in the DYNAMIC segment. Determine
3036 how large this .dynamic is now. We can do this even before the byte
3037 swapping since the DT_NULL tag is recognizable. */
3038 dynamic_size = 0;
3039 while (*(Elf32_Word *) edyn [dynamic_size++].d_tag != DT_NULL)
3040 ;
3041
3042 dynamic_segment = (Elf_Internal_Dyn *)
3043 malloc (dynamic_size * sizeof (Elf_Internal_Dyn));
3044
3045 if (dynamic_segment == NULL)
3046 {
3047 error (_("Out of memory\n"));
3048 free (edyn);
3049 return 0;
3050 }
3051
3052 for (i = 0, entry = dynamic_segment;
3053 i < dynamic_size;
3054 i ++, entry ++)
3055 {
3056 entry->d_tag = BYTE_GET (edyn [i].d_tag);
3057 entry->d_un.d_val = BYTE_GET (edyn [i].d_un.d_val);
3058 }
3059
3060 free (edyn);
3061
3062 return 1;
3063 }
3064
3065 static int
3066 get_64bit_dynamic_segment (file)
3067 FILE * file;
3068 {
3069 Elf64_External_Dyn * edyn;
3070 Elf_Internal_Dyn * entry;
3071 bfd_size_type i;
3072
3073 GET_DATA_ALLOC (dynamic_addr, dynamic_size,
3074 edyn, Elf64_External_Dyn *, "dynamic segment");
3075
3076 /* SGI's ELF has more than one section in the DYNAMIC segment. Determine
3077 how large this .dynamic is now. We can do this even before the byte
3078 swapping since the DT_NULL tag is recognizable. */
3079 dynamic_size = 0;
3080 while (*(bfd_vma *) edyn [dynamic_size ++].d_tag != DT_NULL)
3081 ;
3082
3083 dynamic_segment = (Elf_Internal_Dyn *)
3084 malloc (dynamic_size * sizeof (Elf_Internal_Dyn));
3085
3086 if (dynamic_segment == NULL)
3087 {
3088 error (_("Out of memory\n"));
3089 free (edyn);
3090 return 0;
3091 }
3092
3093 for (i = 0, entry = dynamic_segment;
3094 i < dynamic_size;
3095 i ++, entry ++)
3096 {
3097 entry->d_tag = BYTE_GET8 (edyn [i].d_tag);
3098 entry->d_un.d_val = BYTE_GET8 (edyn [i].d_un.d_val);
3099 }
3100
3101 free (edyn);
3102
3103 return 1;
3104 }
3105
3106 static const char *
3107 get_dynamic_flags (flags)
3108 bfd_vma flags;
3109 {
3110 static char buff [64];
3111 while (flags)
3112 {
3113 bfd_vma flag;
3114
3115 flag = flags & - flags;
3116 flags &= ~ flag;
3117
3118 switch (flag)
3119 {
3120 case DF_ORIGIN: strcat (buff, "ORIGIN "); break;
3121 case DF_SYMBOLIC: strcat (buff, "SYMBOLIC "); break;
3122 case DF_TEXTREL: strcat (buff, "TEXTREL "); break;
3123 case DF_BIND_NOW: strcat (buff, "BIND_NOW "); break;
3124 default: strcat (buff, "unknown "); break;
3125 }
3126 }
3127 return buff;
3128 }
3129
3130 /* Parse and display the contents of the dynamic segment. */
3131 static int
3132 process_dynamic_segment (file)
3133 FILE * file;
3134 {
3135 Elf_Internal_Dyn * entry;
3136 bfd_size_type i;
3137
3138 if (dynamic_size == 0)
3139 {
3140 if (do_dynamic)
3141 printf (_("\nThere is no dynamic segment in this file.\n"));
3142
3143 return 1;
3144 }
3145
3146 if (is_32bit_elf)
3147 {
3148 if (! get_32bit_dynamic_segment (file))
3149 return 0;
3150 }
3151 else if (! get_64bit_dynamic_segment (file))
3152 return 0;
3153
3154 /* Find the appropriate symbol table. */
3155 if (dynamic_symbols == NULL)
3156 {
3157 for (i = 0, entry = dynamic_segment;
3158 i < dynamic_size;
3159 ++i, ++ entry)
3160 {
3161 unsigned long offset;
3162
3163 if (entry->d_tag != DT_SYMTAB)
3164 continue;
3165
3166 dynamic_info[DT_SYMTAB] = entry->d_un.d_val;
3167
3168 /* Since we do not know how big the symbol table is,
3169 we default to reading in the entire file (!) and
3170 processing that. This is overkill, I know, but it
3171 should work. */
3172 offset = entry->d_un.d_val - loadaddr;
3173
3174 if (fseek (file, 0, SEEK_END))
3175 error (_("Unable to seek to end of file!"));
3176
3177 if (is_32bit_elf)
3178 num_dynamic_syms = (ftell (file) - offset) / sizeof (Elf32_External_Sym);
3179 else
3180 num_dynamic_syms = (ftell (file) - offset) / sizeof (Elf64_External_Sym);
3181
3182 if (num_dynamic_syms < 1)
3183 {
3184 error (_("Unable to determine the number of symbols to load\n"));
3185 continue;
3186 }
3187
3188 dynamic_symbols = GET_ELF_SYMBOLS (file, offset, num_dynamic_syms);
3189 }
3190 }
3191
3192 /* Similarly find a string table. */
3193 if (dynamic_strings == NULL)
3194 {
3195 for (i = 0, entry = dynamic_segment;
3196 i < dynamic_size;
3197 ++i, ++ entry)
3198 {
3199 unsigned long offset;
3200 long str_tab_len;
3201
3202 if (entry->d_tag != DT_STRTAB)
3203 continue;
3204
3205 dynamic_info[DT_STRTAB] = entry->d_un.d_val;
3206
3207 /* Since we do not know how big the string table is,
3208 we default to reading in the entire file (!) and
3209 processing that. This is overkill, I know, but it
3210 should work. */
3211
3212 offset = entry->d_un.d_val - loadaddr;
3213 if (fseek (file, 0, SEEK_END))
3214 error (_("Unable to seek to end of file\n"));
3215 str_tab_len = ftell (file) - offset;
3216
3217 if (str_tab_len < 1)
3218 {
3219 error
3220 (_("Unable to determine the length of the dynamic string table\n"));
3221 continue;
3222 }
3223
3224 GET_DATA_ALLOC (offset, str_tab_len, dynamic_strings, char *,
3225 "dynamic string table");
3226
3227 break;
3228 }
3229 }
3230
3231 /* And find the syminfo section if available. */
3232 if (dynamic_syminfo == NULL)
3233 {
3234 unsigned int syminsz = 0;
3235
3236 for (i = 0, entry = dynamic_segment;
3237 i < dynamic_size;
3238 ++i, ++ entry)
3239 {
3240 if (entry->d_tag == DT_SYMINENT)
3241 {
3242 /* Note: these braces are necessary to avoid a syntax
3243 error from the SunOS4 C compiler. */
3244 assert (sizeof (Elf_External_Syminfo) == entry->d_un.d_val);
3245 }
3246 else if (entry->d_tag == DT_SYMINSZ)
3247 syminsz = entry->d_un.d_val;
3248 else if (entry->d_tag == DT_SYMINFO)
3249 dynamic_syminfo_offset = entry->d_un.d_val - loadaddr;
3250 }
3251
3252 if (dynamic_syminfo_offset != 0 && syminsz != 0)
3253 {
3254 Elf_External_Syminfo * extsyminfo;
3255 Elf_Internal_Syminfo * syminfo;
3256
3257 /* There is a syminfo section. Read the data. */
3258 GET_DATA_ALLOC (dynamic_syminfo_offset, syminsz, extsyminfo,
3259 Elf_External_Syminfo *, "symbol information");
3260
3261 dynamic_syminfo = (Elf_Internal_Syminfo *) malloc (syminsz);
3262 if (dynamic_syminfo == NULL)
3263 {
3264 error (_("Out of memory\n"));
3265 return 0;
3266 }
3267
3268 dynamic_syminfo_nent = syminsz / sizeof (Elf_External_Syminfo);
3269 for (i = 0, syminfo = dynamic_syminfo; i < dynamic_syminfo_nent;
3270 ++i, ++syminfo)
3271 {
3272 syminfo->si_boundto = BYTE_GET (extsyminfo[i].si_boundto);
3273 syminfo->si_flags = BYTE_GET (extsyminfo[i].si_flags);
3274 }
3275
3276 free (extsyminfo);
3277 }
3278 }
3279
3280 if (do_dynamic && dynamic_addr)
3281 printf (_("\nDynamic segment at offset 0x%x contains %ld entries:\n"),
3282 dynamic_addr, (long) dynamic_size);
3283 if (do_dynamic)
3284 printf (_(" Tag Type Name/Value\n"));
3285
3286 for (i = 0, entry = dynamic_segment;
3287 i < dynamic_size;
3288 i++, entry ++)
3289 {
3290 if (do_dynamic)
3291 {
3292 const char * dtype;
3293
3294 putchar (' ');
3295 print_vma (entry->d_tag, FULL_HEX);
3296 dtype = get_dynamic_type (entry->d_tag);
3297 printf (" (%s)%*s", dtype,
3298 ((is_32bit_elf ? 27 : 19)
3299 - (int) strlen (dtype)),
3300 " ");
3301 }
3302
3303 switch (entry->d_tag)
3304 {
3305 case DT_FLAGS:
3306 if (do_dynamic)
3307 printf ("%s", get_dynamic_flags (entry->d_un.d_val));
3308 break;
3309
3310 case DT_AUXILIARY:
3311 case DT_FILTER:
3312 if (do_dynamic)
3313 {
3314 if (entry->d_tag == DT_AUXILIARY)
3315 printf (_("Auxiliary library"));
3316 else
3317 printf (_("Filter library"));
3318
3319 if (dynamic_strings)
3320 printf (": [%s]\n", dynamic_strings + entry->d_un.d_val);
3321 else
3322 {
3323 printf (": ");
3324 print_vma (entry->d_un.d_val, PREFIX_HEX);
3325 putchar ('\n');
3326 }
3327 }
3328 break;
3329
3330 case DT_FEATURE_1:
3331 if (do_dynamic)
3332 {
3333 printf (_("Flags:"));
3334 if (entry->d_un.d_val == 0)
3335 printf (_(" None\n"));
3336 else
3337 {
3338 unsigned long int val = entry->d_un.d_val;
3339 if (val & DTF_1_PARINIT)
3340 {
3341 printf (" PARINIT");
3342 val ^= DTF_1_PARINIT;
3343 }
3344 if (val != 0)
3345 printf (" %lx", val);
3346 puts ("");
3347 }
3348 }
3349 break;
3350
3351 case DT_POSFLAG_1:
3352 if (do_dynamic)
3353 {
3354 printf (_("Flags:"));
3355 if (entry->d_un.d_val == 0)
3356 printf (_(" None\n"));
3357 else
3358 {
3359 unsigned long int val = entry->d_un.d_val;
3360 if (val & DF_P1_LAZYLOAD)
3361 {
3362 printf (" LAZYLOAD");
3363 val ^= DF_P1_LAZYLOAD;
3364 }
3365 if (val & DF_P1_GROUPPERM)
3366 {
3367 printf (" GROUPPERM");
3368 val ^= DF_P1_GROUPPERM;
3369 }
3370 if (val != 0)
3371 printf (" %lx", val);
3372 puts ("");
3373 }
3374 }
3375 break;
3376
3377 case DT_FLAGS_1:
3378 if (do_dynamic)
3379 {
3380 printf (_("Flags:"));
3381 if (entry->d_un.d_val == 0)
3382 printf (_(" None\n"));
3383 else
3384 {
3385 unsigned long int val = entry->d_un.d_val;
3386 if (val & DF_1_NOW)
3387 {
3388 printf (" NOW");
3389 val ^= DF_1_NOW;
3390 }
3391 if (val & DF_1_GLOBAL)
3392 {
3393 printf (" GLOBAL");
3394 val ^= DF_1_GLOBAL;
3395 }
3396 if (val & DF_1_GROUP)
3397 {
3398 printf (" GROUP");
3399 val ^= DF_1_GROUP;
3400 }
3401 if (val & DF_1_NODELETE)
3402 {
3403 printf (" NODELETE");
3404 val ^= DF_1_NODELETE;
3405 }
3406 if (val & DF_1_LOADFLTR)
3407 {
3408 printf (" LOADFLTR");
3409 val ^= DF_1_LOADFLTR;
3410 }
3411 if (val & DF_1_INITFIRST)
3412 {
3413 printf (" INITFIRST");
3414 val ^= DF_1_INITFIRST;
3415 }
3416 if (val & DF_1_NOOPEN)
3417 {
3418 printf (" NOOPEN");
3419 val ^= DF_1_NOOPEN;
3420 }
3421 if (val & DF_1_ORIGIN)
3422 {
3423 printf (" ORIGIN");
3424 val ^= DF_1_ORIGIN;
3425 }
3426 if (val & DF_1_DIRECT)
3427 {
3428 printf (" DIRECT");
3429 val ^= DF_1_DIRECT;
3430 }
3431 if (val & DF_1_TRANS)
3432 {
3433 printf (" TRANS");
3434 val ^= DF_1_TRANS;
3435 }
3436 if (val & DF_1_INTERPOSE)
3437 {
3438 printf (" INTERPOSE");
3439 val ^= DF_1_INTERPOSE;
3440 }
3441 if (val != 0)
3442 printf (" %lx", val);
3443 puts ("");
3444 }
3445 }
3446 break;
3447
3448 case DT_PLTREL:
3449 if (do_dynamic)
3450 puts (get_dynamic_type (entry->d_un.d_val));
3451 break;
3452
3453 case DT_NULL :
3454 case DT_NEEDED :
3455 case DT_PLTGOT :
3456 case DT_HASH :
3457 case DT_STRTAB :
3458 case DT_SYMTAB :
3459 case DT_RELA :
3460 case DT_INIT :
3461 case DT_FINI :
3462 case DT_SONAME :
3463 case DT_RPATH :
3464 case DT_SYMBOLIC:
3465 case DT_REL :
3466 case DT_DEBUG :
3467 case DT_TEXTREL :
3468 case DT_JMPREL :
3469 dynamic_info[entry->d_tag] = entry->d_un.d_val;
3470
3471 if (do_dynamic)
3472 {
3473 char * name;
3474
3475 if (dynamic_strings == NULL)
3476 name = NULL;
3477 else
3478 name = dynamic_strings + entry->d_un.d_val;
3479
3480 if (name)
3481 {
3482 switch (entry->d_tag)
3483 {
3484 case DT_NEEDED:
3485 printf (_("Shared library: [%s]"), name);
3486
3487 if (strcmp (name, program_interpreter) == 0)
3488 printf (_(" program interpreter"));
3489 break;
3490
3491 case DT_SONAME:
3492 printf (_("Library soname: [%s]"), name);
3493 break;
3494
3495 case DT_RPATH:
3496 printf (_("Library rpath: [%s]"), name);
3497 break;
3498
3499 default:
3500 print_vma (entry->d_un.d_val, PREFIX_HEX);
3501 break;
3502 }
3503 }
3504 else
3505 print_vma (entry->d_un.d_val, PREFIX_HEX);
3506
3507 putchar ('\n');
3508 }
3509 break;
3510
3511 case DT_PLTRELSZ:
3512 case DT_RELASZ :
3513 case DT_STRSZ :
3514 case DT_RELSZ :
3515 case DT_RELAENT :
3516 case DT_SYMENT :
3517 case DT_RELENT :
3518 case DT_PLTPADSZ:
3519 case DT_MOVEENT :
3520 case DT_MOVESZ :
3521 case DT_INIT_ARRAYSZ:
3522 case DT_FINI_ARRAYSZ:
3523 if (do_dynamic)
3524 {
3525 print_vma (entry->d_un.d_val, UNSIGNED);
3526 printf (" (bytes)\n");
3527 }
3528 break;
3529
3530 case DT_VERDEFNUM:
3531 case DT_VERNEEDNUM:
3532 case DT_RELACOUNT:
3533 case DT_RELCOUNT:
3534 if (do_dynamic)
3535 {
3536 print_vma (entry->d_un.d_val, UNSIGNED);
3537 putchar ('\n');
3538 }
3539 break;
3540
3541 case DT_SYMINSZ:
3542 case DT_SYMINENT:
3543 case DT_SYMINFO:
3544 case DT_USED:
3545 case DT_INIT_ARRAY:
3546 case DT_FINI_ARRAY:
3547 if (do_dynamic)
3548 {
3549 if (dynamic_strings != NULL && entry->d_tag == DT_USED)
3550 {
3551 char * name;
3552
3553 name = dynamic_strings + entry->d_un.d_val;
3554
3555 if (* name)
3556 {
3557 printf (_("Not needed object: [%s]\n"), name);
3558 break;
3559 }
3560 }
3561
3562 print_vma (entry->d_un.d_val, PREFIX_HEX);
3563 putchar ('\n');
3564 }
3565 break;
3566
3567 case DT_BIND_NOW:
3568 /* The value of this entry is ignored. */
3569 break;
3570
3571 default:
3572 if ((entry->d_tag >= DT_VERSYM) && (entry->d_tag <= DT_VERNEEDNUM))
3573 version_info [DT_VERSIONTAGIDX (entry->d_tag)] =
3574 entry->d_un.d_val;
3575
3576 if (do_dynamic)
3577 {
3578 switch (elf_header.e_machine)
3579 {
3580 case EM_MIPS:
3581 case EM_MIPS_RS4_BE:
3582 dynamic_segment_mips_val (entry);
3583 break;
3584 case EM_PARISC:
3585 dynamic_segment_parisc_val (entry);
3586 break;
3587 default:
3588 print_vma (entry->d_un.d_val, PREFIX_HEX);
3589 putchar ('\n');
3590 }
3591 }
3592 break;
3593 }
3594 }
3595
3596 return 1;
3597 }
3598
3599 static char *
3600 get_ver_flags (flags)
3601 unsigned int flags;
3602 {
3603 static char buff [32];
3604
3605 buff[0] = 0;
3606
3607 if (flags == 0)
3608 return _("none");
3609
3610 if (flags & VER_FLG_BASE)
3611 strcat (buff, "BASE ");
3612
3613 if (flags & VER_FLG_WEAK)
3614 {
3615 if (flags & VER_FLG_BASE)
3616 strcat (buff, "| ");
3617
3618 strcat (buff, "WEAK ");
3619 }
3620
3621 if (flags & ~(VER_FLG_BASE | VER_FLG_WEAK))
3622 strcat (buff, "| <unknown>");
3623
3624 return buff;
3625 }
3626
3627 /* Display the contents of the version sections. */
3628 static int
3629 process_version_sections (file)
3630 FILE * file;
3631 {
3632 Elf32_Internal_Shdr * section;
3633 unsigned i;
3634 int found = 0;
3635
3636 if (! do_version)
3637 return 1;
3638
3639 for (i = 0, section = section_headers;
3640 i < elf_header.e_shnum;
3641 i++, section ++)
3642 {
3643 switch (section->sh_type)
3644 {
3645 case SHT_GNU_verdef:
3646 {
3647 Elf_External_Verdef * edefs;
3648 unsigned int idx;
3649 unsigned int cnt;
3650
3651 found = 1;
3652
3653 printf
3654 (_("\nVersion definition section '%s' contains %ld entries:\n"),
3655 SECTION_NAME (section), section->sh_info);
3656
3657 printf (_(" Addr: 0x"));
3658 printf_vma (section->sh_addr);
3659 printf (_(" Offset: %#08lx Link: %lx (%s)\n"),
3660 (unsigned long) section->sh_offset, section->sh_link,
3661 SECTION_NAME (section_headers + section->sh_link));
3662
3663 GET_DATA_ALLOC (section->sh_offset, section->sh_size,
3664 edefs, Elf_External_Verdef *,
3665 "version definition section");
3666
3667 for (idx = cnt = 0; cnt < section->sh_info; ++ cnt)
3668 {
3669 char * vstart;
3670 Elf_External_Verdef * edef;
3671 Elf_Internal_Verdef ent;
3672 Elf_External_Verdaux * eaux;
3673 Elf_Internal_Verdaux aux;
3674 int j;
3675 int isum;
3676
3677 vstart = ((char *) edefs) + idx;
3678
3679 edef = (Elf_External_Verdef *) vstart;
3680
3681 ent.vd_version = BYTE_GET (edef->vd_version);
3682 ent.vd_flags = BYTE_GET (edef->vd_flags);
3683 ent.vd_ndx = BYTE_GET (edef->vd_ndx);
3684 ent.vd_cnt = BYTE_GET (edef->vd_cnt);
3685 ent.vd_hash = BYTE_GET (edef->vd_hash);
3686 ent.vd_aux = BYTE_GET (edef->vd_aux);
3687 ent.vd_next = BYTE_GET (edef->vd_next);
3688
3689 printf (_(" %#06x: Rev: %d Flags: %s"),
3690 idx, ent.vd_version, get_ver_flags (ent.vd_flags));
3691
3692 printf (_(" Index: %d Cnt: %d "),
3693 ent.vd_ndx, ent.vd_cnt);
3694
3695 vstart += ent.vd_aux;
3696
3697 eaux = (Elf_External_Verdaux *) vstart;
3698
3699 aux.vda_name = BYTE_GET (eaux->vda_name);
3700 aux.vda_next = BYTE_GET (eaux->vda_next);
3701
3702 if (dynamic_strings)
3703 printf (_("Name: %s\n"), dynamic_strings + aux.vda_name);
3704 else
3705 printf (_("Name index: %ld\n"), aux.vda_name);
3706
3707 isum = idx + ent.vd_aux;
3708
3709 for (j = 1; j < ent.vd_cnt; j ++)
3710 {
3711 isum += aux.vda_next;
3712 vstart += aux.vda_next;
3713
3714 eaux = (Elf_External_Verdaux *) vstart;
3715
3716 aux.vda_name = BYTE_GET (eaux->vda_name);
3717 aux.vda_next = BYTE_GET (eaux->vda_next);
3718
3719 if (dynamic_strings)
3720 printf (_(" %#06x: Parent %d: %s\n"),
3721 isum, j, dynamic_strings + aux.vda_name);
3722 else
3723 printf (_(" %#06x: Parent %d, name index: %ld\n"),
3724 isum, j, aux.vda_name);
3725 }
3726
3727 idx += ent.vd_next;
3728 }
3729
3730 free (edefs);
3731 }
3732 break;
3733
3734 case SHT_GNU_verneed:
3735 {
3736 Elf_External_Verneed * eneed;
3737 unsigned int idx;
3738 unsigned int cnt;
3739
3740 found = 1;
3741
3742 printf (_("\nVersion needs section '%s' contains %ld entries:\n"),
3743 SECTION_NAME (section), section->sh_info);
3744
3745 printf (_(" Addr: 0x"));
3746 printf_vma (section->sh_addr);
3747 printf (_(" Offset: %#08lx Link to section: %ld (%s)\n"),
3748 (unsigned long) section->sh_offset, section->sh_link,
3749 SECTION_NAME (section_headers + section->sh_link));
3750
3751 GET_DATA_ALLOC (section->sh_offset, section->sh_size,
3752 eneed, Elf_External_Verneed *,
3753 "version need section");
3754
3755 for (idx = cnt = 0; cnt < section->sh_info; ++cnt)
3756 {
3757 Elf_External_Verneed * entry;
3758 Elf_Internal_Verneed ent;
3759 int j;
3760 int isum;
3761 char * vstart;
3762
3763 vstart = ((char *) eneed) + idx;
3764
3765 entry = (Elf_External_Verneed *) vstart;
3766
3767 ent.vn_version = BYTE_GET (entry->vn_version);
3768 ent.vn_cnt = BYTE_GET (entry->vn_cnt);
3769 ent.vn_file = BYTE_GET (entry->vn_file);
3770 ent.vn_aux = BYTE_GET (entry->vn_aux);
3771 ent.vn_next = BYTE_GET (entry->vn_next);
3772
3773 printf (_(" %#06x: Version: %d"), idx, ent.vn_version);
3774
3775 if (dynamic_strings)
3776 printf (_(" File: %s"), dynamic_strings + ent.vn_file);
3777 else
3778 printf (_(" File: %lx"), ent.vn_file);
3779
3780 printf (_(" Cnt: %d\n"), ent.vn_cnt);
3781
3782 vstart += ent.vn_aux;
3783
3784 for (j = 0, isum = idx + ent.vn_aux; j < ent.vn_cnt; ++j)
3785 {
3786 Elf_External_Vernaux * eaux;
3787 Elf_Internal_Vernaux aux;
3788
3789 eaux = (Elf_External_Vernaux *) vstart;
3790
3791 aux.vna_hash = BYTE_GET (eaux->vna_hash);
3792 aux.vna_flags = BYTE_GET (eaux->vna_flags);
3793 aux.vna_other = BYTE_GET (eaux->vna_other);
3794 aux.vna_name = BYTE_GET (eaux->vna_name);
3795 aux.vna_next = BYTE_GET (eaux->vna_next);
3796
3797 if (dynamic_strings)
3798 printf (_(" %#06x: Name: %s"),
3799 isum, dynamic_strings + aux.vna_name);
3800 else
3801 printf (_(" %#06x: Name index: %lx"),
3802 isum, aux.vna_name);
3803
3804 printf (_(" Flags: %s Version: %d\n"),
3805 get_ver_flags (aux.vna_flags), aux.vna_other);
3806
3807 isum += aux.vna_next;
3808 vstart += aux.vna_next;
3809 }
3810
3811 idx += ent.vn_next;
3812 }
3813
3814 free (eneed);
3815 }
3816 break;
3817
3818 case SHT_GNU_versym:
3819 {
3820 Elf32_Internal_Shdr * link_section;
3821 int total;
3822 int cnt;
3823 unsigned char * edata;
3824 unsigned short * data;
3825 char * strtab;
3826 Elf_Internal_Sym * symbols;
3827 Elf32_Internal_Shdr * string_sec;
3828
3829 link_section = section_headers + section->sh_link;
3830 total = section->sh_size / section->sh_entsize;
3831
3832 found = 1;
3833
3834 symbols = GET_ELF_SYMBOLS (file, link_section->sh_offset,
3835 link_section->sh_size / link_section->sh_entsize);
3836
3837 string_sec = section_headers + link_section->sh_link;
3838
3839 GET_DATA_ALLOC (string_sec->sh_offset, string_sec->sh_size,
3840 strtab, char *, "version string table");
3841
3842 printf (_("\nVersion symbols section '%s' contains %d entries:\n"),
3843 SECTION_NAME (section), total);
3844
3845 printf (_(" Addr: "));
3846 printf_vma (section->sh_addr);
3847 printf (_(" Offset: %#08lx Link: %lx (%s)\n"),
3848 (unsigned long) section->sh_offset, section->sh_link,
3849 SECTION_NAME (link_section));
3850
3851 GET_DATA_ALLOC (version_info [DT_VERSIONTAGIDX (DT_VERSYM)]
3852 - loadaddr,
3853 total * sizeof (short), edata,
3854 unsigned char *, "version symbol data");
3855
3856 data = (unsigned short *) malloc (total * sizeof (short));
3857
3858 for (cnt = total; cnt --;)
3859 data [cnt] = byte_get (edata + cnt * sizeof (short),
3860 sizeof (short));
3861
3862 free (edata);
3863
3864 for (cnt = 0; cnt < total; cnt += 4)
3865 {
3866 int j, nn;
3867 char * name;
3868
3869 printf (" %03x:", cnt);
3870
3871 for (j = 0; (j < 4) && (cnt + j) < total; ++j)
3872 switch (data [cnt + j])
3873 {
3874 case 0:
3875 fputs (_(" 0 (*local*) "), stdout);
3876 break;
3877
3878 case 1:
3879 fputs (_(" 1 (*global*) "), stdout);
3880 break;
3881
3882 default:
3883 nn = printf ("%4x%c", data [cnt + j] & 0x7fff,
3884 data [cnt + j] & 0x8000 ? 'h' : ' ');
3885
3886 if (symbols [cnt + j].st_shndx < SHN_LORESERVE
3887 && section_headers[symbols [cnt + j].st_shndx].sh_type
3888 == SHT_NOBITS)
3889 {
3890 /* We must test both. */
3891 Elf_Internal_Verneed ivn;
3892 unsigned long offset;
3893
3894 offset = version_info [DT_VERSIONTAGIDX (DT_VERNEED)]
3895 - loadaddr;
3896
3897 do
3898 {
3899 Elf_External_Verneed evn;
3900 Elf_External_Vernaux evna;
3901 Elf_Internal_Vernaux ivna;
3902 unsigned long vna_off;
3903
3904 GET_DATA (offset, evn, "version need");
3905
3906 ivn.vn_aux = BYTE_GET (evn.vn_aux);
3907 ivn.vn_next = BYTE_GET (evn.vn_next);
3908
3909 vna_off = offset + ivn.vn_aux;
3910
3911 do
3912 {
3913 GET_DATA (vna_off, evna,
3914 "version need aux (1)");
3915
3916 ivna.vna_next = BYTE_GET (evna.vna_next);
3917 ivna.vna_other = BYTE_GET (evna.vna_other);
3918
3919 vna_off += ivna.vna_next;
3920 }
3921 while (ivna.vna_other != data [cnt + j]
3922 && ivna.vna_next != 0);
3923
3924 if (ivna.vna_other == data [cnt + j])
3925 {
3926 ivna.vna_name = BYTE_GET (evna.vna_name);
3927
3928 name = strtab + ivna.vna_name;
3929 nn += printf ("(%s%-*s",
3930 name,
3931 12 - (int) strlen (name),
3932 ")");
3933 break;
3934 }
3935 else if (ivn.vn_next == 0)
3936 {
3937 if (data [cnt + j] != 0x8001)
3938 {
3939 Elf_Internal_Verdef ivd;
3940 Elf_External_Verdef evd;
3941
3942 offset = version_info
3943 [DT_VERSIONTAGIDX (DT_VERDEF)]
3944 - loadaddr;
3945
3946 do
3947 {
3948 GET_DATA (offset, evd,
3949 "version definition");
3950
3951 ivd.vd_next = BYTE_GET (evd.vd_next);
3952 ivd.vd_ndx = BYTE_GET (evd.vd_ndx);
3953
3954 offset += ivd.vd_next;
3955 }
3956 while (ivd.vd_ndx
3957 != (data [cnt + j] & 0x7fff)
3958 && ivd.vd_next != 0);
3959
3960 if (ivd.vd_ndx
3961 == (data [cnt + j] & 0x7fff))
3962 {
3963 Elf_External_Verdaux evda;
3964 Elf_Internal_Verdaux ivda;
3965
3966 ivd.vd_aux = BYTE_GET (evd.vd_aux);
3967
3968 GET_DATA (offset + ivd.vd_aux, evda,
3969 "version definition aux");
3970
3971 ivda.vda_name =
3972 BYTE_GET (evda.vda_name);
3973
3974 name = strtab + ivda.vda_name;
3975 nn +=
3976 printf ("(%s%-*s",
3977 name,
3978 12 - (int) strlen (name),
3979 ")");
3980 }
3981 }
3982
3983 break;
3984 }
3985 else
3986 offset += ivn.vn_next;
3987 }
3988 while (ivn.vn_next);
3989 }
3990 else if (symbols [cnt + j].st_shndx == SHN_UNDEF)
3991 {
3992 Elf_Internal_Verneed ivn;
3993 unsigned long offset;
3994
3995 offset = version_info [DT_VERSIONTAGIDX (DT_VERNEED)]
3996 - loadaddr;
3997
3998 do
3999 {
4000 Elf_Internal_Vernaux ivna;
4001 Elf_External_Verneed evn;
4002 Elf_External_Vernaux evna;
4003 unsigned long a_off;
4004
4005 GET_DATA (offset, evn, "version need");
4006
4007 ivn.vn_aux = BYTE_GET (evn.vn_aux);
4008 ivn.vn_next = BYTE_GET (evn.vn_next);
4009
4010 a_off = offset + ivn.vn_aux;
4011
4012 do
4013 {
4014 GET_DATA (a_off, evna,
4015 "version need aux (2)");
4016
4017 ivna.vna_next = BYTE_GET (evna.vna_next);
4018 ivna.vna_other = BYTE_GET (evna.vna_other);
4019
4020 a_off += ivna.vna_next;
4021 }
4022 while (ivna.vna_other != data [cnt + j]
4023 && ivna.vna_next != 0);
4024
4025 if (ivna.vna_other == data [cnt + j])
4026 {
4027 ivna.vna_name = BYTE_GET (evna.vna_name);
4028
4029 name = strtab + ivna.vna_name;
4030 nn += printf ("(%s%-*s",
4031 name,
4032 12 - (int) strlen (name),
4033 ")");
4034 break;
4035 }
4036
4037 offset += ivn.vn_next;
4038 }
4039 while (ivn.vn_next);
4040 }
4041 else if (data [cnt + j] != 0x8001)
4042 {
4043 Elf_Internal_Verdef ivd;
4044 Elf_External_Verdef evd;
4045 unsigned long offset;
4046
4047 offset = version_info
4048 [DT_VERSIONTAGIDX (DT_VERDEF)] - loadaddr;
4049
4050 do
4051 {
4052 GET_DATA (offset, evd, "version def");
4053
4054 ivd.vd_next = BYTE_GET (evd.vd_next);
4055 ivd.vd_ndx = BYTE_GET (evd.vd_ndx);
4056
4057 offset += ivd.vd_next;
4058 }
4059 while (ivd.vd_ndx != (data [cnt + j] & 0x7fff)
4060 && ivd.vd_next != 0);
4061
4062 if (ivd.vd_ndx == (data [cnt + j] & 0x7fff))
4063 {
4064 Elf_External_Verdaux evda;
4065 Elf_Internal_Verdaux ivda;
4066
4067 ivd.vd_aux = BYTE_GET (evd.vd_aux);
4068
4069 GET_DATA (offset - ivd.vd_next + ivd.vd_aux,
4070 evda, "version def aux");
4071
4072 ivda.vda_name = BYTE_GET (evda.vda_name);
4073
4074 name = strtab + ivda.vda_name;
4075 nn += printf ("(%s%-*s",
4076 name,
4077 12 - (int) strlen (name),
4078 ")");
4079 }
4080 }
4081
4082 if (nn < 18)
4083 printf ("%*c", 18 - nn, ' ');
4084 }
4085
4086 putchar ('\n');
4087 }
4088
4089 free (data);
4090 free (strtab);
4091 free (symbols);
4092 }
4093 break;
4094
4095 default:
4096 break;
4097 }
4098 }
4099
4100 if (! found)
4101 printf (_("\nNo version information found in this file.\n"));
4102
4103 return 1;
4104 }
4105
4106 static const char *
4107 get_symbol_binding (binding)
4108 unsigned int binding;
4109 {
4110 static char buff [32];
4111
4112 switch (binding)
4113 {
4114 case STB_LOCAL: return "LOCAL";
4115 case STB_GLOBAL: return "GLOBAL";
4116 case STB_WEAK: return "WEAK";
4117 default:
4118 if (binding >= STB_LOPROC && binding <= STB_HIPROC)
4119 sprintf (buff, _("<processor specific>: %d"), binding);
4120 else if (binding >= STB_LOOS && binding <= STB_HIOS)
4121 sprintf (buff, _("<OS specific>: %d"), binding);
4122 else
4123 sprintf (buff, _("<unknown>: %d"), binding);
4124 return buff;
4125 }
4126 }
4127
4128 static const char *
4129 get_symbol_type (type)
4130 unsigned int type;
4131 {
4132 static char buff [32];
4133
4134 switch (type)
4135 {
4136 case STT_NOTYPE: return "NOTYPE";
4137 case STT_OBJECT: return "OBJECT";
4138 case STT_FUNC: return "FUNC";
4139 case STT_SECTION: return "SECTION";
4140 case STT_FILE: return "FILE";
4141 case STT_COMMON: return "COMMON";
4142 default:
4143 if (type >= STT_LOPROC && type <= STT_HIPROC)
4144 {
4145 if (elf_header.e_machine == EM_ARM && type == STT_ARM_TFUNC)
4146 return "THUMB_FUNC";
4147
4148 if (elf_header.e_machine == EM_SPARCV9 && type == STT_REGISTER)
4149 return "REGISTER";
4150
4151 if (elf_header.e_machine == EM_PARISC && type == STT_PARISC_MILLI)
4152 return "PARISC_MILLI";
4153
4154 sprintf (buff, _("<processor specific>: %d"), type);
4155 }
4156 else if (type >= STT_LOOS && type <= STT_HIOS)
4157 {
4158 if (elf_header.e_machine == EM_PARISC)
4159 {
4160 if (type == STT_HP_OPAQUE)
4161 return "HP_OPAQUE";
4162 if (type == STT_HP_STUB)
4163 return "HP_STUB";
4164 }
4165
4166 sprintf (buff, _("<OS specific>: %d"), type);
4167 }
4168 else
4169 sprintf (buff, _("<unknown>: %d"), type);
4170 return buff;
4171 }
4172 }
4173
4174 static const char *
4175 get_symbol_visibility (visibility)
4176 unsigned int visibility;
4177 {
4178 switch (visibility)
4179 {
4180 case STV_DEFAULT: return "DEFAULT";
4181 case STV_INTERNAL: return "INTERNAL";
4182 case STV_HIDDEN: return "HIDDEN";
4183 case STV_PROTECTED: return "PROTECTED";
4184 default: abort ();
4185 }
4186 }
4187
4188 static const char *
4189 get_symbol_index_type (type)
4190 unsigned int type;
4191 {
4192 switch (type)
4193 {
4194 case SHN_UNDEF: return "UND";
4195 case SHN_ABS: return "ABS";
4196 case SHN_COMMON: return "COM";
4197 default:
4198 if (type >= SHN_LOPROC && type <= SHN_HIPROC)
4199 return "PRC";
4200 else if (type >= SHN_LORESERVE && type <= SHN_HIRESERVE)
4201 return "RSV";
4202 else if (type >= SHN_LOOS && type <= SHN_HIOS)
4203 return "OS ";
4204 else
4205 {
4206 static char buff [32];
4207
4208 sprintf (buff, "%3d", type);
4209 return buff;
4210 }
4211 }
4212 }
4213
4214 static int *
4215 get_dynamic_data (file, number)
4216 FILE * file;
4217 unsigned int number;
4218 {
4219 char * e_data;
4220 int * i_data;
4221
4222 e_data = (char *) malloc (number * 4);
4223
4224 if (e_data == NULL)
4225 {
4226 error (_("Out of memory\n"));
4227 return NULL;
4228 }
4229
4230 if (fread (e_data, 4, number, file) != number)
4231 {
4232 error (_("Unable to read in dynamic data\n"));
4233 return NULL;
4234 }
4235
4236 i_data = (int *) malloc (number * sizeof (* i_data));
4237
4238 if (i_data == NULL)
4239 {
4240 error (_("Out of memory\n"));
4241 free (e_data);
4242 return NULL;
4243 }
4244
4245 while (number--)
4246 i_data [number] = byte_get (e_data + number * 4, 4);
4247
4248 free (e_data);
4249
4250 return i_data;
4251 }
4252
4253 /* Dump the symbol table */
4254 static int
4255 process_symbol_table (file)
4256 FILE * file;
4257 {
4258 Elf32_Internal_Shdr * section;
4259 char nb [4];
4260 char nc [4];
4261 int nbuckets = 0;
4262 int nchains = 0;
4263 int * buckets = NULL;
4264 int * chains = NULL;
4265
4266 if (! do_syms && !do_histogram)
4267 return 1;
4268
4269 if (dynamic_info[DT_HASH] && ((do_using_dynamic && dynamic_strings != NULL)
4270 || do_histogram))
4271 {
4272 if (fseek (file, dynamic_info[DT_HASH] - loadaddr, SEEK_SET))
4273 {
4274 error (_("Unable to seek to start of dynamic information"));
4275 return 0;
4276 }
4277
4278 if (fread (nb, sizeof (nb), 1, file) != 1)
4279 {
4280 error (_("Failed to read in number of buckets\n"));
4281 return 0;
4282 }
4283
4284 if (fread (nc, sizeof (nc), 1, file) != 1)
4285 {
4286 error (_("Failed to read in number of chains\n"));
4287 return 0;
4288 }
4289
4290 nbuckets = byte_get (nb, 4);
4291 nchains = byte_get (nc, 4);
4292
4293 buckets = get_dynamic_data (file, nbuckets);
4294 chains = get_dynamic_data (file, nchains);
4295
4296 if (buckets == NULL || chains == NULL)
4297 return 0;
4298 }
4299
4300 if (do_syms
4301 && dynamic_info[DT_HASH] && do_using_dynamic && dynamic_strings != NULL)
4302 {
4303 int hn;
4304 int si;
4305
4306 printf (_("\nSymbol table for image:\n"));
4307 if (is_32bit_elf)
4308 printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n"));
4309 else
4310 printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n"));
4311
4312 for (hn = 0; hn < nbuckets; hn++)
4313 {
4314 if (! buckets [hn])
4315 continue;
4316
4317 for (si = buckets [hn]; si < nchains && si > 0; si = chains [si])
4318 {
4319 Elf_Internal_Sym * psym;
4320
4321 psym = dynamic_symbols + si;
4322
4323 printf (" %3d %3d: ", si, hn);
4324 print_vma (psym->st_value, LONG_HEX);
4325 putchar (' ' );
4326 print_vma (psym->st_size, DEC_5);
4327
4328 printf (" %6s", get_symbol_type (ELF_ST_TYPE (psym->st_info)));
4329 printf (" %6s", get_symbol_binding (ELF_ST_BIND (psym->st_info)));
4330 printf (" %3s", get_symbol_visibility (ELF_ST_VISIBILITY (psym->st_other)));
4331 printf (" %3.3s", get_symbol_index_type (psym->st_shndx));
4332 printf (" %s\n", dynamic_strings + psym->st_name);
4333 }
4334 }
4335 }
4336 else if (do_syms && !do_using_dynamic)
4337 {
4338 unsigned int i;
4339
4340 for (i = 0, section = section_headers;
4341 i < elf_header.e_shnum;
4342 i++, section++)
4343 {
4344 unsigned int si;
4345 char * strtab;
4346 Elf_Internal_Sym * symtab;
4347 Elf_Internal_Sym * psym;
4348
4349
4350 if ( section->sh_type != SHT_SYMTAB
4351 && section->sh_type != SHT_DYNSYM)
4352 continue;
4353
4354 printf (_("\nSymbol table '%s' contains %lu entries:\n"),
4355 SECTION_NAME (section),
4356 (unsigned long) (section->sh_size / section->sh_entsize));
4357 if (is_32bit_elf)
4358 printf (_(" Num: Value Size Type Bind Vis Ndx Name\n"));
4359 else
4360 printf (_(" Num: Value Size Type Bind Vis Ndx Name\n"));
4361
4362 symtab = GET_ELF_SYMBOLS (file, section->sh_offset,
4363 section->sh_size / section->sh_entsize);
4364 if (symtab == NULL)
4365 continue;
4366
4367 if (section->sh_link == elf_header.e_shstrndx)
4368 strtab = string_table;
4369 else
4370 {
4371 Elf32_Internal_Shdr * string_sec;
4372
4373 string_sec = section_headers + section->sh_link;
4374
4375 GET_DATA_ALLOC (string_sec->sh_offset, string_sec->sh_size,
4376 strtab, char *, "string table");
4377 }
4378
4379 for (si = 0, psym = symtab;
4380 si < section->sh_size / section->sh_entsize;
4381 si ++, psym ++)
4382 {
4383 printf ("%6d: ", si);
4384 print_vma (psym->st_value, LONG_HEX);
4385 putchar (' ');
4386 print_vma (psym->st_size, DEC_5);
4387 printf (" %-7s", get_symbol_type (ELF_ST_TYPE (psym->st_info)));
4388 printf (" %-6s", get_symbol_binding (ELF_ST_BIND (psym->st_info)));
4389 printf (" %-3s", get_symbol_visibility (ELF_ST_VISIBILITY (psym->st_other)));
4390 printf (" %4s", get_symbol_index_type (psym->st_shndx));
4391 printf (" %s", strtab + psym->st_name);
4392
4393 if (section->sh_type == SHT_DYNSYM &&
4394 version_info [DT_VERSIONTAGIDX (DT_VERSYM)] != 0)
4395 {
4396 unsigned char data[2];
4397 unsigned short vers_data;
4398 unsigned long offset;
4399 int is_nobits;
4400 int check_def;
4401
4402 offset = version_info [DT_VERSIONTAGIDX (DT_VERSYM)]
4403 - loadaddr;
4404
4405 GET_DATA (offset + si * sizeof (vers_data), data,
4406 "version data");
4407
4408 vers_data = byte_get (data, 2);
4409
4410 is_nobits = psym->st_shndx < SHN_LORESERVE ?
4411 (section_headers [psym->st_shndx].sh_type == SHT_NOBITS)
4412 : 0;
4413
4414 check_def = (psym->st_shndx != SHN_UNDEF);
4415
4416 if ((vers_data & 0x8000) || vers_data > 1)
4417 {
4418 if (is_nobits || ! check_def)
4419 {
4420 Elf_External_Verneed evn;
4421 Elf_Internal_Verneed ivn;
4422 Elf_Internal_Vernaux ivna;
4423
4424 /* We must test both. */
4425 offset = version_info
4426 [DT_VERSIONTAGIDX (DT_VERNEED)] - loadaddr;
4427
4428 do
4429 {
4430 unsigned long vna_off;
4431
4432 GET_DATA (offset, evn, "version need");
4433
4434 ivn.vn_aux = BYTE_GET (evn.vn_aux);
4435 ivn.vn_next = BYTE_GET (evn.vn_next);
4436
4437 vna_off = offset + ivn.vn_aux;
4438
4439 do
4440 {
4441 Elf_External_Vernaux evna;
4442
4443 GET_DATA (vna_off, evna,
4444 "version need aux (3)");
4445
4446 ivna.vna_other = BYTE_GET (evna.vna_other);
4447 ivna.vna_next = BYTE_GET (evna.vna_next);
4448 ivna.vna_name = BYTE_GET (evna.vna_name);
4449
4450 vna_off += ivna.vna_next;
4451 }
4452 while (ivna.vna_other != vers_data
4453 && ivna.vna_next != 0);
4454
4455 if (ivna.vna_other == vers_data)
4456 break;
4457
4458 offset += ivn.vn_next;
4459 }
4460 while (ivn.vn_next != 0);
4461
4462 if (ivna.vna_other == vers_data)
4463 {
4464 printf ("@%s (%d)",
4465 strtab + ivna.vna_name, ivna.vna_other);
4466 check_def = 0;
4467 }
4468 else if (! is_nobits)
4469 error (_("bad dynamic symbol"));
4470 else
4471 check_def = 1;
4472 }
4473
4474 if (check_def)
4475 {
4476 if (vers_data != 0x8001)
4477 {
4478 Elf_Internal_Verdef ivd;
4479 Elf_Internal_Verdaux ivda;
4480 Elf_External_Verdaux evda;
4481 unsigned long offset;
4482
4483 offset =
4484 version_info [DT_VERSIONTAGIDX (DT_VERDEF)]
4485 - loadaddr;
4486
4487 do
4488 {
4489 Elf_External_Verdef evd;
4490
4491 GET_DATA (offset, evd, "version def");
4492
4493 ivd.vd_ndx = BYTE_GET (evd.vd_ndx);
4494 ivd.vd_aux = BYTE_GET (evd.vd_aux);
4495 ivd.vd_next = BYTE_GET (evd.vd_next);
4496
4497 offset += ivd.vd_next;
4498 }
4499 while (ivd.vd_ndx != (vers_data & 0x7fff)
4500 && ivd.vd_next != 0);
4501
4502 offset -= ivd.vd_next;
4503 offset += ivd.vd_aux;
4504
4505 GET_DATA (offset, evda, "version def aux");
4506
4507 ivda.vda_name = BYTE_GET (evda.vda_name);
4508
4509 if (psym->st_name != ivda.vda_name)
4510 printf ((vers_data & 0x8000)
4511 ? "@%s" : "@@%s",
4512 strtab + ivda.vda_name);
4513 }
4514 }
4515 }
4516 }
4517
4518 putchar ('\n');
4519 }
4520
4521 free (symtab);
4522 if (strtab != string_table)
4523 free (strtab);
4524 }
4525 }
4526 else if (do_syms)
4527 printf
4528 (_("\nDynamic symbol information is not available for displaying symbols.\n"));
4529
4530 if (do_histogram && buckets != NULL)
4531 {
4532 int *lengths;
4533 int *counts;
4534 int hn;
4535 int si;
4536 int maxlength = 0;
4537 int nzero_counts = 0;
4538 int nsyms = 0;
4539
4540 printf (_("\nHistogram for bucket list length (total of %d buckets):\n"),
4541 nbuckets);
4542 printf (_(" Length Number %% of total Coverage\n"));
4543
4544 lengths = (int *) calloc (nbuckets, sizeof (int));
4545 if (lengths == NULL)
4546 {
4547 error (_("Out of memory"));
4548 return 0;
4549 }
4550 for (hn = 0; hn < nbuckets; ++hn)
4551 {
4552 if (! buckets [hn])
4553 continue;
4554
4555 for (si = buckets[hn]; si > 0 && si < nchains; si = chains[si])
4556 {
4557 ++ nsyms;
4558 if (maxlength < ++lengths[hn])
4559 ++ maxlength;
4560 }
4561 }
4562
4563 counts = (int *) calloc (maxlength + 1, sizeof (int));
4564 if (counts == NULL)
4565 {
4566 error (_("Out of memory"));
4567 return 0;
4568 }
4569
4570 for (hn = 0; hn < nbuckets; ++hn)
4571 ++ counts [lengths [hn]];
4572
4573 if (nbuckets > 0)
4574 {
4575 printf (" 0 %-10d (%5.1f%%)\n",
4576 counts[0], (counts[0] * 100.0) / nbuckets);
4577 for (si = 1; si <= maxlength; ++si)
4578 {
4579 nzero_counts += counts[si] * si;
4580 printf ("%7d %-10d (%5.1f%%) %5.1f%%\n",
4581 si, counts[si], (counts[si] * 100.0) / nbuckets,
4582 (nzero_counts * 100.0) / nsyms);
4583 }
4584 }
4585
4586 free (counts);
4587 free (lengths);
4588 }
4589
4590 if (buckets != NULL)
4591 {
4592 free (buckets);
4593 free (chains);
4594 }
4595
4596 return 1;
4597 }
4598
4599 static int
4600 process_syminfo (file)
4601 FILE * file ATTRIBUTE_UNUSED;
4602 {
4603 unsigned int i;
4604
4605 if (dynamic_syminfo == NULL
4606 || !do_dynamic)
4607 /* No syminfo, this is ok. */
4608 return 1;
4609
4610 /* There better should be a dynamic symbol section. */
4611 if (dynamic_symbols == NULL || dynamic_strings == NULL)
4612 return 0;
4613
4614 if (dynamic_addr)
4615 printf (_("\nDynamic info segment at offset 0x%lx contains %d entries:\n"),
4616 dynamic_syminfo_offset, dynamic_syminfo_nent);
4617
4618 printf (_(" Num: Name BoundTo Flags\n"));
4619 for (i = 0; i < dynamic_syminfo_nent; ++i)
4620 {
4621 unsigned short int flags = dynamic_syminfo[i].si_flags;
4622
4623 printf ("%4d: %-30s ", i,
4624 dynamic_strings + dynamic_symbols[i].st_name);
4625
4626 switch (dynamic_syminfo[i].si_boundto)
4627 {
4628 case SYMINFO_BT_SELF:
4629 fputs ("SELF ", stdout);
4630 break;
4631 case SYMINFO_BT_PARENT:
4632 fputs ("PARENT ", stdout);
4633 break;
4634 default:
4635 if (dynamic_syminfo[i].si_boundto > 0
4636 && dynamic_syminfo[i].si_boundto < dynamic_size)
4637 printf ("%-10s ",
4638 dynamic_strings
4639 + dynamic_segment[dynamic_syminfo[i].si_boundto].d_un.d_val);
4640 else
4641 printf ("%-10d ", dynamic_syminfo[i].si_boundto);
4642 break;
4643 }
4644
4645 if (flags & SYMINFO_FLG_DIRECT)
4646 printf (" DIRECT");
4647 if (flags & SYMINFO_FLG_PASSTHRU)
4648 printf (" PASSTHRU");
4649 if (flags & SYMINFO_FLG_COPY)
4650 printf (" COPY");
4651 if (flags & SYMINFO_FLG_LAZYLOAD)
4652 printf (" LAZYLOAD");
4653
4654 puts ("");
4655 }
4656
4657 return 1;
4658 }
4659
4660 #ifdef SUPPORT_DISASSEMBLY
4661 static void
4662 disassemble_section (section, file)
4663 Elf32_Internal_Shdr * section;
4664 FILE * file;
4665 {
4666 printf (_("\nAssembly dump of section %s\n"),
4667 SECTION_NAME (section));
4668
4669 /* XXX -- to be done --- XXX */
4670
4671 return 1;
4672 }
4673 #endif
4674
4675 static int
4676 dump_section (section, file)
4677 Elf32_Internal_Shdr * section;
4678 FILE * file;
4679 {
4680 bfd_size_type bytes;
4681 bfd_vma addr;
4682 unsigned char * data;
4683 unsigned char * start;
4684
4685 bytes = section->sh_size;
4686
4687 if (bytes == 0)
4688 {
4689 printf (_("\nSection '%s' has no data to dump.\n"),
4690 SECTION_NAME (section));
4691 return 0;
4692 }
4693 else
4694 printf (_("\nHex dump of section '%s':\n"), SECTION_NAME (section));
4695
4696 addr = section->sh_addr;
4697
4698 GET_DATA_ALLOC (section->sh_offset, bytes, start, unsigned char *,
4699 "section data");
4700
4701 data = start;
4702
4703 while (bytes)
4704 {
4705 int j;
4706 int k;
4707 int lbytes;
4708
4709 lbytes = (bytes > 16 ? 16 : bytes);
4710
4711 printf (" 0x%8.8lx ", (unsigned long) addr);
4712
4713 switch (elf_header.e_ident [EI_DATA])
4714 {
4715 default:
4716 case ELFDATA2LSB:
4717 for (j = 15; j >= 0; j --)
4718 {
4719 if (j < lbytes)
4720 printf ("%2.2x", data [j]);
4721 else
4722 printf (" ");
4723
4724 if (!(j & 0x3))
4725 printf (" ");
4726 }
4727 break;
4728
4729 case ELFDATA2MSB:
4730 for (j = 0; j < 16; j++)
4731 {
4732 if (j < lbytes)
4733 printf ("%2.2x", data [j]);
4734 else
4735 printf (" ");
4736
4737 if ((j & 3) == 3)
4738 printf (" ");
4739 }
4740 break;
4741 }
4742
4743 for (j = 0; j < lbytes; j++)
4744 {
4745 k = data [j];
4746 if (k >= ' ' && k < 0x80)
4747 printf ("%c", k);
4748 else
4749 printf (".");
4750 }
4751
4752 putchar ('\n');
4753
4754 data += lbytes;
4755 addr += lbytes;
4756 bytes -= lbytes;
4757 }
4758
4759 free (start);
4760
4761 return 1;
4762 }
4763
4764
4765 static unsigned long int
4766 read_leb128 (data, length_return, sign)
4767 unsigned char * data;
4768 int * length_return;
4769 int sign;
4770 {
4771 unsigned long int result = 0;
4772 unsigned int num_read = 0;
4773 int shift = 0;
4774 unsigned char byte;
4775
4776 do
4777 {
4778 byte = * data ++;
4779 num_read ++;
4780
4781 result |= (byte & 0x7f) << shift;
4782
4783 shift += 7;
4784
4785 }
4786 while (byte & 0x80);
4787
4788 if (length_return != NULL)
4789 * length_return = num_read;
4790
4791 if (sign && (shift < 32) && (byte & 0x40))
4792 result |= -1 << shift;
4793
4794 return result;
4795 }
4796
4797 typedef struct State_Machine_Registers
4798 {
4799 unsigned long address;
4800 unsigned int file;
4801 unsigned int line;
4802 unsigned int column;
4803 int is_stmt;
4804 int basic_block;
4805 int end_sequence;
4806 /* This variable hold the number of the last entry seen
4807 in the File Table. */
4808 unsigned int last_file_entry;
4809 } SMR;
4810
4811 static SMR state_machine_regs;
4812
4813 static void
4814 reset_state_machine (is_stmt)
4815 int is_stmt;
4816 {
4817 state_machine_regs.address = 0;
4818 state_machine_regs.file = 1;
4819 state_machine_regs.line = 1;
4820 state_machine_regs.column = 0;
4821 state_machine_regs.is_stmt = is_stmt;
4822 state_machine_regs.basic_block = 0;
4823 state_machine_regs.end_sequence = 0;
4824 state_machine_regs.last_file_entry = 0;
4825 }
4826
4827 /* Handled an extend line op. Returns true if this is the end
4828 of sequence. */
4829 static int
4830 process_extended_line_op (data, is_stmt, pointer_size)
4831 unsigned char * data;
4832 int is_stmt;
4833 int pointer_size;
4834 {
4835 unsigned char op_code;
4836 int bytes_read;
4837 unsigned int len;
4838 unsigned char * name;
4839 unsigned long adr;
4840
4841 len = read_leb128 (data, & bytes_read, 0);
4842 data += bytes_read;
4843
4844 if (len == 0)
4845 {
4846 warn (_("badly formed extended line op encountered!"));
4847 return bytes_read;
4848 }
4849
4850 len += bytes_read;
4851 op_code = * data ++;
4852
4853 printf (_(" Extended opcode %d: "), op_code);
4854
4855 switch (op_code)
4856 {
4857 case DW_LNE_end_sequence:
4858 printf (_("End of Sequence\n\n"));
4859 reset_state_machine (is_stmt);
4860 break;
4861
4862 case DW_LNE_set_address:
4863 adr = byte_get (data, pointer_size);
4864 printf (_("set Address to 0x%lx\n"), adr);
4865 state_machine_regs.address = adr;
4866 break;
4867
4868 case DW_LNE_define_file:
4869 printf (_(" define new File Table entry\n"));
4870 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
4871
4872 printf (_(" %d\t"), ++ state_machine_regs.last_file_entry);
4873 name = data;
4874 data += strlen (data) + 1;
4875 printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
4876 data += bytes_read;
4877 printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
4878 data += bytes_read;
4879 printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
4880 printf (_("%s\n\n"), name);
4881 break;
4882
4883 default:
4884 printf (_("UNKNOWN: length %d\n"), len - bytes_read);
4885 break;
4886 }
4887
4888 return len;
4889 }
4890
4891 /* Size of pointers in the .debug_line section. This information is not
4892 really present in that section. It's obtained before dumping the debug
4893 sections by doing some pre-scan of the .debug_info section. */
4894 static int debug_line_pointer_size = 4;
4895
4896 static int
4897 display_debug_lines (section, start, file)
4898 Elf32_Internal_Shdr * section;
4899 unsigned char * start;
4900 FILE * file ATTRIBUTE_UNUSED;
4901 {
4902 DWARF2_External_LineInfo * external;
4903 DWARF2_Internal_LineInfo info;
4904 unsigned char * standard_opcodes;
4905 unsigned char * data = start;
4906 unsigned char * end = start + section->sh_size;
4907 unsigned char * end_of_sequence;
4908 int i;
4909
4910 printf (_("\nDump of debug contents of section %s:\n\n"),
4911 SECTION_NAME (section));
4912
4913 while (data < end)
4914 {
4915 external = (DWARF2_External_LineInfo *) data;
4916
4917 /* Check the length of the block. */
4918 info.li_length = BYTE_GET (external->li_length);
4919 if (info.li_length > section->sh_size)
4920 {
4921 warn
4922 (_("The line info appears to be corrupt - the section is too small\n"));
4923 return 0;
4924 }
4925
4926 /* Check its version number. */
4927 info.li_version = BYTE_GET (external->li_version);
4928 if (info.li_version != 2)
4929 {
4930 warn (_("Only DWARF version 2 line info is currently supported.\n"));
4931 return 0;
4932 }
4933
4934 info.li_prologue_length = BYTE_GET (external->li_prologue_length);
4935 info.li_min_insn_length = BYTE_GET (external->li_min_insn_length);
4936 info.li_default_is_stmt = BYTE_GET (external->li_default_is_stmt);
4937 info.li_line_base = BYTE_GET (external->li_line_base);
4938 info.li_line_range = BYTE_GET (external->li_line_range);
4939 info.li_opcode_base = BYTE_GET (external->li_opcode_base);
4940
4941 /* Sign extend the line base field. */
4942 info.li_line_base <<= 24;
4943 info.li_line_base >>= 24;
4944
4945 printf (_(" Length: %ld\n"), info.li_length);
4946 printf (_(" DWARF Version: %d\n"), info.li_version);
4947 printf (_(" Prolgue Length: %d\n"), info.li_prologue_length);
4948 printf (_(" Minimum Instruction Length: %d\n"), info.li_min_insn_length);
4949 printf (_(" Initial value of 'is_stmt': %d\n"), info.li_default_is_stmt);
4950 printf (_(" Line Base: %d\n"), info.li_line_base);
4951 printf (_(" Line Range: %d\n"), info.li_line_range);
4952 printf (_(" Opcode Base: %d\n"), info.li_opcode_base);
4953
4954 end_of_sequence = data + info.li_length + sizeof (info.li_length);
4955
4956 reset_state_machine (info.li_default_is_stmt);
4957
4958 /* Display the contents of the Opcodes table. */
4959 standard_opcodes = data + sizeof (* external);
4960
4961 printf (_("\n Opcodes:\n"));
4962
4963 for (i = 1; i < info.li_opcode_base; i++)
4964 printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]);
4965
4966 /* Display the contents of the Directory table. */
4967 data = standard_opcodes + info.li_opcode_base - 1;
4968
4969 if (* data == 0)
4970 printf (_("\n The Directory Table is empty.\n"));
4971 else
4972 {
4973 printf (_("\n The Directory Table:\n"));
4974
4975 while (* data != 0)
4976 {
4977 printf (_(" %s\n"), data);
4978
4979 data += strlen (data) + 1;
4980 }
4981 }
4982
4983 /* Skip the NUL at the end of the table. */
4984 data ++;
4985
4986 /* Display the contents of the File Name table. */
4987 if (* data == 0)
4988 printf (_("\n The File Name Table is empty.\n"));
4989 else
4990 {
4991 printf (_("\n The File Name Table:\n"));
4992 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
4993
4994 while (* data != 0)
4995 {
4996 char * name;
4997 int bytes_read;
4998
4999 printf (_(" %d\t"), ++ state_machine_regs.last_file_entry);
5000 name = data;
5001
5002 data += strlen (data) + 1;
5003
5004 printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
5005 data += bytes_read;
5006 printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
5007 data += bytes_read;
5008 printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
5009 data += bytes_read;
5010 printf (_("%s\n"), name);
5011 }
5012 }
5013
5014 /* Skip the NUL at the end of the table. */
5015 data ++;
5016
5017 /* Now display the statements. */
5018 printf (_("\n Line Number Statements:\n"));
5019
5020
5021 while (data < end_of_sequence)
5022 {
5023 unsigned char op_code;
5024 int adv;
5025 int bytes_read;
5026
5027 op_code = * data ++;
5028
5029 switch (op_code)
5030 {
5031 case DW_LNS_extended_op:
5032 data += process_extended_line_op (data, info.li_default_is_stmt,
5033 debug_line_pointer_size);
5034 break;
5035
5036 case DW_LNS_copy:
5037 printf (_(" Copy\n"));
5038 break;
5039
5040 case DW_LNS_advance_pc:
5041 adv = info.li_min_insn_length * read_leb128 (data, & bytes_read, 0);
5042 data += bytes_read;
5043 state_machine_regs.address += adv;
5044 printf (_(" Advance PC by %d to %lx\n"), adv,
5045 state_machine_regs.address);
5046 break;
5047
5048 case DW_LNS_advance_line:
5049 adv = read_leb128 (data, & bytes_read, 1);
5050 data += bytes_read;
5051 state_machine_regs.line += adv;
5052 printf (_(" Advance Line by %d to %d\n"), adv,
5053 state_machine_regs.line);
5054 break;
5055
5056 case DW_LNS_set_file:
5057 adv = read_leb128 (data, & bytes_read, 0);
5058 data += bytes_read;
5059 printf (_(" Set File Name to entry %d in the File Name Table\n"),
5060 adv);
5061 state_machine_regs.file = adv;
5062 break;
5063
5064 case DW_LNS_set_column:
5065 adv = read_leb128 (data, & bytes_read, 0);
5066 data += bytes_read;
5067 printf (_(" Set column to %d\n"), adv);
5068 state_machine_regs.column = adv;
5069 break;
5070
5071 case DW_LNS_negate_stmt:
5072 adv = state_machine_regs.is_stmt;
5073 adv = ! adv;
5074 printf (_(" Set is_stmt to %d\n"), adv);
5075 state_machine_regs.is_stmt = adv;
5076 break;
5077
5078 case DW_LNS_set_basic_block:
5079 printf (_(" Set basic block\n"));
5080 state_machine_regs.basic_block = 1;
5081 break;
5082
5083 case DW_LNS_const_add_pc:
5084 adv = (((255 - info.li_opcode_base) / info.li_line_range)
5085 * info.li_min_insn_length);
5086 state_machine_regs.address += adv;
5087 printf (_(" Advance PC by constant %d to 0x%lx\n"), adv,
5088 state_machine_regs.address);
5089 break;
5090
5091 case DW_LNS_fixed_advance_pc:
5092 adv = byte_get (data, 2);
5093 data += 2;
5094 state_machine_regs.address += adv;
5095 printf (_(" Advance PC by fixed size amount %d to 0x%lx\n"),
5096 adv, state_machine_regs.address);
5097 break;
5098
5099 default:
5100 op_code -= info.li_opcode_base;
5101 adv = (op_code / info.li_line_range) * info.li_min_insn_length;
5102 state_machine_regs.address += adv;
5103 printf (_(" Special opcode %d: advance Address by %d to 0x%lx"),
5104 op_code, adv, state_machine_regs.address);
5105 adv = (op_code % info.li_line_range) + info.li_line_base;
5106 state_machine_regs.line += adv;
5107 printf (_(" and Line by %d to %d\n"),
5108 adv, state_machine_regs.line);
5109 break;
5110 }
5111 }
5112 printf ("\n");
5113 }
5114
5115 return 1;
5116 }
5117
5118 static int
5119 display_debug_pubnames (section, start, file)
5120 Elf32_Internal_Shdr * section;
5121 unsigned char * start;
5122 FILE * file ATTRIBUTE_UNUSED;
5123 {
5124 DWARF2_External_PubNames * external;
5125 DWARF2_Internal_PubNames pubnames;
5126 unsigned char * end;
5127
5128 end = start + section->sh_size;
5129
5130 printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
5131
5132 while (start < end)
5133 {
5134 unsigned char * data;
5135 unsigned long offset;
5136
5137 external = (DWARF2_External_PubNames *) start;
5138
5139 pubnames.pn_length = BYTE_GET (external->pn_length);
5140 pubnames.pn_version = BYTE_GET (external->pn_version);
5141 pubnames.pn_offset = BYTE_GET (external->pn_offset);
5142 pubnames.pn_size = BYTE_GET (external->pn_size);
5143
5144 data = start + sizeof (* external);
5145 start += pubnames.pn_length + sizeof (external->pn_length);
5146
5147 if (pubnames.pn_version != 2)
5148 {
5149 warn (_("Only DWARF 2 pubnames are currently supported"));
5150 continue;
5151 }
5152
5153 printf (_(" Length: %ld\n"),
5154 pubnames.pn_length);
5155 printf (_(" Version: %d\n"),
5156 pubnames.pn_version);
5157 printf (_(" Offset into .debug_info section: %ld\n"),
5158 pubnames.pn_offset);
5159 printf (_(" Size of area in .debug_info section: %ld\n"),
5160 pubnames.pn_size);
5161
5162 printf (_("\n Offset\tName\n"));
5163
5164 do
5165 {
5166 offset = byte_get (data, 4);
5167
5168 if (offset != 0)
5169 {
5170 data += 4;
5171 printf (" %ld\t\t%s\n", offset, data);
5172 data += strlen (data) + 1;
5173 }
5174 }
5175 while (offset != 0);
5176 }
5177
5178 printf ("\n");
5179 return 1;
5180 }
5181
5182 static char *
5183 get_TAG_name (tag)
5184 unsigned long tag;
5185 {
5186 switch (tag)
5187 {
5188 case DW_TAG_padding: return "DW_TAG_padding";
5189 case DW_TAG_array_type: return "DW_TAG_array_type";
5190 case DW_TAG_class_type: return "DW_TAG_class_type";
5191 case DW_TAG_entry_point: return "DW_TAG_entry_point";
5192 case DW_TAG_enumeration_type: return "DW_TAG_enumeration_type";
5193 case DW_TAG_formal_parameter: return "DW_TAG_formal_parameter";
5194 case DW_TAG_imported_declaration: return "DW_TAG_imported_declaration";
5195 case DW_TAG_label: return "DW_TAG_label";
5196 case DW_TAG_lexical_block: return "DW_TAG_lexical_block";
5197 case DW_TAG_member: return "DW_TAG_member";
5198 case DW_TAG_pointer_type: return "DW_TAG_pointer_type";
5199 case DW_TAG_reference_type: return "DW_TAG_reference_type";
5200 case DW_TAG_compile_unit: return "DW_TAG_compile_unit";
5201 case DW_TAG_string_type: return "DW_TAG_string_type";
5202 case DW_TAG_structure_type: return "DW_TAG_structure_type";
5203 case DW_TAG_subroutine_type: return "DW_TAG_subroutine_type";
5204 case DW_TAG_typedef: return "DW_TAG_typedef";
5205 case DW_TAG_union_type: return "DW_TAG_union_type";
5206 case DW_TAG_unspecified_parameters: return "DW_TAG_unspecified_parameters";
5207 case DW_TAG_variant: return "DW_TAG_variant";
5208 case DW_TAG_common_block: return "DW_TAG_common_block";
5209 case DW_TAG_common_inclusion: return "DW_TAG_common_inclusion";
5210 case DW_TAG_inheritance: return "DW_TAG_inheritance";
5211 case DW_TAG_inlined_subroutine: return "DW_TAG_inlined_subroutine";
5212 case DW_TAG_module: return "DW_TAG_module";
5213 case DW_TAG_ptr_to_member_type: return "DW_TAG_ptr_to_member_type";
5214 case DW_TAG_set_type: return "DW_TAG_set_type";
5215 case DW_TAG_subrange_type: return "DW_TAG_subrange_type";
5216 case DW_TAG_with_stmt: return "DW_TAG_with_stmt";
5217 case DW_TAG_access_declaration: return "DW_TAG_access_declaration";
5218 case DW_TAG_base_type: return "DW_TAG_base_type";
5219 case DW_TAG_catch_block: return "DW_TAG_catch_block";
5220 case DW_TAG_const_type: return "DW_TAG_const_type";
5221 case DW_TAG_constant: return "DW_TAG_constant";
5222 case DW_TAG_enumerator: return "DW_TAG_enumerator";
5223 case DW_TAG_file_type: return "DW_TAG_file_type";
5224 case DW_TAG_friend: return "DW_TAG_friend";
5225 case DW_TAG_namelist: return "DW_TAG_namelist";
5226 case DW_TAG_namelist_item: return "DW_TAG_namelist_item";
5227 case DW_TAG_packed_type: return "DW_TAG_packed_type";
5228 case DW_TAG_subprogram: return "DW_TAG_subprogram";
5229 case DW_TAG_template_type_param: return "DW_TAG_template_type_param";
5230 case DW_TAG_template_value_param: return "DW_TAG_template_value_param";
5231 case DW_TAG_thrown_type: return "DW_TAG_thrown_type";
5232 case DW_TAG_try_block: return "DW_TAG_try_block";
5233 case DW_TAG_variant_part: return "DW_TAG_variant_part";
5234 case DW_TAG_variable: return "DW_TAG_variable";
5235 case DW_TAG_volatile_type: return "DW_TAG_volatile_type";
5236 case DW_TAG_MIPS_loop: return "DW_TAG_MIPS_loop";
5237 case DW_TAG_format_label: return "DW_TAG_format_label";
5238 case DW_TAG_function_template: return "DW_TAG_function_template";
5239 case DW_TAG_class_template: return "DW_TAG_class_template";
5240 default:
5241 {
5242 static char buffer [100];
5243
5244 sprintf (buffer, _("Unknown TAG value: %lx"), tag);
5245 return buffer;
5246 }
5247 }
5248 }
5249
5250 static char *
5251 get_AT_name (attribute)
5252 unsigned long attribute;
5253 {
5254 switch (attribute)
5255 {
5256 case DW_AT_sibling: return "DW_AT_sibling";
5257 case DW_AT_location: return "DW_AT_location";
5258 case DW_AT_name: return "DW_AT_name";
5259 case DW_AT_ordering: return "DW_AT_ordering";
5260 case DW_AT_subscr_data: return "DW_AT_subscr_data";
5261 case DW_AT_byte_size: return "DW_AT_byte_size";
5262 case DW_AT_bit_offset: return "DW_AT_bit_offset";
5263 case DW_AT_bit_size: return "DW_AT_bit_size";
5264 case DW_AT_element_list: return "DW_AT_element_list";
5265 case DW_AT_stmt_list: return "DW_AT_stmt_list";
5266 case DW_AT_low_pc: return "DW_AT_low_pc";
5267 case DW_AT_high_pc: return "DW_AT_high_pc";
5268 case DW_AT_language: return "DW_AT_language";
5269 case DW_AT_member: return "DW_AT_member";
5270 case DW_AT_discr: return "DW_AT_discr";
5271 case DW_AT_discr_value: return "DW_AT_discr_value";
5272 case DW_AT_visibility: return "DW_AT_visibility";
5273 case DW_AT_import: return "DW_AT_import";
5274 case DW_AT_string_length: return "DW_AT_string_length";
5275 case DW_AT_common_reference: return "DW_AT_common_reference";
5276 case DW_AT_comp_dir: return "DW_AT_comp_dir";
5277 case DW_AT_const_value: return "DW_AT_const_value";
5278 case DW_AT_containing_type: return "DW_AT_containing_type";
5279 case DW_AT_default_value: return "DW_AT_default_value";
5280 case DW_AT_inline: return "DW_AT_inline";
5281 case DW_AT_is_optional: return "DW_AT_is_optional";
5282 case DW_AT_lower_bound: return "DW_AT_lower_bound";
5283 case DW_AT_producer: return "DW_AT_producer";
5284 case DW_AT_prototyped: return "DW_AT_prototyped";
5285 case DW_AT_return_addr: return "DW_AT_return_addr";
5286 case DW_AT_start_scope: return "DW_AT_start_scope";
5287 case DW_AT_stride_size: return "DW_AT_stride_size";
5288 case DW_AT_upper_bound: return "DW_AT_upper_bound";
5289 case DW_AT_abstract_origin: return "DW_AT_abstract_origin";
5290 case DW_AT_accessibility: return "DW_AT_accessibility";
5291 case DW_AT_address_class: return "DW_AT_address_class";
5292 case DW_AT_artificial: return "DW_AT_artificial";
5293 case DW_AT_base_types: return "DW_AT_base_types";
5294 case DW_AT_calling_convention: return "DW_AT_calling_convention";
5295 case DW_AT_count: return "DW_AT_count";
5296 case DW_AT_data_member_location: return "DW_AT_data_member_location";
5297 case DW_AT_decl_column: return "DW_AT_decl_column";
5298 case DW_AT_decl_file: return "DW_AT_decl_file";
5299 case DW_AT_decl_line: return "DW_AT_decl_line";
5300 case DW_AT_declaration: return "DW_AT_declaration";
5301 case DW_AT_discr_list: return "DW_AT_discr_list";
5302 case DW_AT_encoding: return "DW_AT_encoding";
5303 case DW_AT_external: return "DW_AT_external";
5304 case DW_AT_frame_base: return "DW_AT_frame_base";
5305 case DW_AT_friend: return "DW_AT_friend";
5306 case DW_AT_identifier_case: return "DW_AT_identifier_case";
5307 case DW_AT_macro_info: return "DW_AT_macro_info";
5308 case DW_AT_namelist_items: return "DW_AT_namelist_items";
5309 case DW_AT_priority: return "DW_AT_priority";
5310 case DW_AT_segment: return "DW_AT_segment";
5311 case DW_AT_specification: return "DW_AT_specification";
5312 case DW_AT_static_link: return "DW_AT_static_link";
5313 case DW_AT_type: return "DW_AT_type";
5314 case DW_AT_use_location: return "DW_AT_use_location";
5315 case DW_AT_variable_parameter: return "DW_AT_variable_parameter";
5316 case DW_AT_virtuality: return "DW_AT_virtuality";
5317 case DW_AT_vtable_elem_location: return "DW_AT_vtable_elem_location";
5318 case DW_AT_MIPS_fde: return "DW_AT_MIPS_fde";
5319 case DW_AT_MIPS_loop_begin: return "DW_AT_MIPS_loop_begin";
5320 case DW_AT_MIPS_tail_loop_begin: return "DW_AT_MIPS_tail_loop_begin";
5321 case DW_AT_MIPS_epilog_begin: return "DW_AT_MIPS_epilog_begin";
5322 case DW_AT_MIPS_loop_unroll_factor: return "DW_AT_MIPS_loop_unroll_factor";
5323 case DW_AT_MIPS_software_pipeline_depth: return "DW_AT_MIPS_software_pipeline_depth";
5324 case DW_AT_MIPS_linkage_name: return "DW_AT_MIPS_linkage_name";
5325 case DW_AT_MIPS_stride: return "DW_AT_MIPS_stride";
5326 case DW_AT_MIPS_abstract_name: return "DW_AT_MIPS_abstract_name";
5327 case DW_AT_MIPS_clone_origin: return "DW_AT_MIPS_clone_origin";
5328 case DW_AT_MIPS_has_inlines: return "DW_AT_MIPS_has_inlines";
5329 case DW_AT_sf_names: return "DW_AT_sf_names";
5330 case DW_AT_src_info: return "DW_AT_src_info";
5331 case DW_AT_mac_info: return "DW_AT_mac_info";
5332 case DW_AT_src_coords: return "DW_AT_src_coords";
5333 case DW_AT_body_begin: return "DW_AT_body_begin";
5334 case DW_AT_body_end: return "DW_AT_body_end";
5335 default:
5336 {
5337 static char buffer [100];
5338
5339 sprintf (buffer, _("Unknown AT value: %lx"), attribute);
5340 return buffer;
5341 }
5342 }
5343 }
5344
5345 static char *
5346 get_FORM_name (form)
5347 unsigned long form;
5348 {
5349 switch (form)
5350 {
5351 case DW_FORM_addr: return "DW_FORM_addr";
5352 case DW_FORM_block2: return "DW_FORM_block2";
5353 case DW_FORM_block4: return "DW_FORM_block4";
5354 case DW_FORM_data2: return "DW_FORM_data2";
5355 case DW_FORM_data4: return "DW_FORM_data4";
5356 case DW_FORM_data8: return "DW_FORM_data8";
5357 case DW_FORM_string: return "DW_FORM_string";
5358 case DW_FORM_block: return "DW_FORM_block";
5359 case DW_FORM_block1: return "DW_FORM_block1";
5360 case DW_FORM_data1: return "DW_FORM_data1";
5361 case DW_FORM_flag: return "DW_FORM_flag";
5362 case DW_FORM_sdata: return "DW_FORM_sdata";
5363 case DW_FORM_strp: return "DW_FORM_strp";
5364 case DW_FORM_udata: return "DW_FORM_udata";
5365 case DW_FORM_ref_addr: return "DW_FORM_ref_addr";
5366 case DW_FORM_ref1: return "DW_FORM_ref1";
5367 case DW_FORM_ref2: return "DW_FORM_ref2";
5368 case DW_FORM_ref4: return "DW_FORM_ref4";
5369 case DW_FORM_ref8: return "DW_FORM_ref8";
5370 case DW_FORM_ref_udata: return "DW_FORM_ref_udata";
5371 case DW_FORM_indirect: return "DW_FORM_indirect";
5372 default:
5373 {
5374 static char buffer [100];
5375
5376 sprintf (buffer, _("Unknown FORM value: %lx"), form);
5377 return buffer;
5378 }
5379 }
5380 }
5381
5382 /* FIXME: There are better and more effiecint ways to handle
5383 these structures. For now though, I just want something that
5384 is simple to implement. */
5385 typedef struct abbrev_attr
5386 {
5387 unsigned long attribute;
5388 unsigned long form;
5389 struct abbrev_attr * next;
5390 }
5391 abbrev_attr;
5392
5393 typedef struct abbrev_entry
5394 {
5395 unsigned long entry;
5396 unsigned long tag;
5397 int children;
5398 struct abbrev_attr * first_attr;
5399 struct abbrev_attr * last_attr;
5400 struct abbrev_entry * next;
5401 }
5402 abbrev_entry;
5403
5404 static abbrev_entry * first_abbrev = NULL;
5405 static abbrev_entry * last_abbrev = NULL;
5406
5407 static void
5408 free_abbrevs PARAMS ((void))
5409 {
5410 abbrev_entry * abbrev;
5411
5412 for (abbrev = first_abbrev; abbrev;)
5413 {
5414 abbrev_entry * next = abbrev->next;
5415 abbrev_attr * attr;
5416
5417 for (attr = abbrev->first_attr; attr;)
5418 {
5419 abbrev_attr * next = attr->next;
5420
5421 free (attr);
5422 attr = next;
5423 }
5424
5425 free (abbrev);
5426 abbrev = next;
5427 }
5428
5429 last_abbrev = first_abbrev = NULL;
5430 }
5431
5432 static void
5433 add_abbrev (number, tag, children)
5434 unsigned long number;
5435 unsigned long tag;
5436 int children;
5437 {
5438 abbrev_entry * entry;
5439
5440 entry = (abbrev_entry *) malloc (sizeof (* entry));
5441
5442 if (entry == NULL)
5443 /* ugg */
5444 return;
5445
5446 entry->entry = number;
5447 entry->tag = tag;
5448 entry->children = children;
5449 entry->first_attr = NULL;
5450 entry->last_attr = NULL;
5451 entry->next = NULL;
5452
5453 if (first_abbrev == NULL)
5454 first_abbrev = entry;
5455 else
5456 last_abbrev->next = entry;
5457
5458 last_abbrev = entry;
5459 }
5460
5461 static void
5462 add_abbrev_attr (attribute, form)
5463 unsigned long attribute;
5464 unsigned long form;
5465 {
5466 abbrev_attr * attr;
5467
5468 attr = (abbrev_attr *) malloc (sizeof (* attr));
5469
5470 if (attr == NULL)
5471 /* ugg */
5472 return;
5473
5474 attr->attribute = attribute;
5475 attr->form = form;
5476 attr->next = NULL;
5477
5478 if (last_abbrev->first_attr == NULL)
5479 last_abbrev->first_attr = attr;
5480 else
5481 last_abbrev->last_attr->next = attr;
5482
5483 last_abbrev->last_attr = attr;
5484 }
5485
5486 /* Processes the (partial) contents of a .debug_abbrev section.
5487 Returns NULL if the end of the section was encountered.
5488 Returns the address after the last byte read if the end of
5489 an abbreviation set was found. */
5490
5491 static unsigned char *
5492 process_abbrev_section (start, end)
5493 unsigned char * start;
5494 unsigned char * end;
5495 {
5496 if (first_abbrev != NULL)
5497 return NULL;
5498
5499 while (start < end)
5500 {
5501 int bytes_read;
5502 unsigned long entry;
5503 unsigned long tag;
5504 unsigned long attribute;
5505 int children;
5506
5507 entry = read_leb128 (start, & bytes_read, 0);
5508 start += bytes_read;
5509
5510 /* A single zero is supposed to end the section according
5511 to the standard. If there's more, then signal that to
5512 the caller. */
5513 if (entry == 0)
5514 return start == end ? NULL : start;
5515
5516 tag = read_leb128 (start, & bytes_read, 0);
5517 start += bytes_read;
5518
5519 children = * start ++;
5520
5521 add_abbrev (entry, tag, children);
5522
5523 do
5524 {
5525 unsigned long form;
5526
5527 attribute = read_leb128 (start, & bytes_read, 0);
5528 start += bytes_read;
5529
5530 form = read_leb128 (start, & bytes_read, 0);
5531 start += bytes_read;
5532
5533 if (attribute != 0)
5534 add_abbrev_attr (attribute, form);
5535 }
5536 while (attribute != 0);
5537 }
5538
5539 return NULL;
5540 }
5541
5542
5543 static int
5544 display_debug_abbrev (section, start, file)
5545 Elf32_Internal_Shdr * section;
5546 unsigned char * start;
5547 FILE * file ATTRIBUTE_UNUSED;
5548 {
5549 abbrev_entry * entry;
5550 unsigned char * end = start + section->sh_size;
5551
5552 printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
5553
5554 do
5555 {
5556 start = process_abbrev_section (start, end);
5557
5558 printf (_(" Number TAG\n"));
5559
5560 for (entry = first_abbrev; entry; entry = entry->next)
5561 {
5562 abbrev_attr * attr;
5563
5564 printf (_(" %ld %s [%s]\n"),
5565 entry->entry,
5566 get_TAG_name (entry->tag),
5567 entry->children ? _("has children") : _("no children"));
5568
5569 for (attr = entry->first_attr; attr; attr = attr->next)
5570 {
5571 printf (_(" %-18s %s\n"),
5572 get_AT_name (attr->attribute),
5573 get_FORM_name (attr->form));
5574 }
5575 }
5576 }
5577 while (start);
5578
5579 printf ("\n");
5580
5581 return 1;
5582 }
5583
5584
5585 static unsigned char *
5586 display_block (data, length)
5587 unsigned char * data;
5588 unsigned long length;
5589 {
5590 printf (_(" %lu byte block: "), length);
5591
5592 while (length --)
5593 printf ("%lx ", (unsigned long) byte_get (data ++, 1));
5594
5595 return data;
5596 }
5597
5598 static void
5599 decode_location_expression (data, pointer_size, length)
5600 unsigned char * data;
5601 unsigned int pointer_size;
5602 unsigned long length;
5603 {
5604 unsigned op;
5605 int bytes_read;
5606 unsigned long uvalue;
5607 unsigned char *end = data + length;
5608
5609 while (data < end)
5610 {
5611 op = * data ++;
5612
5613 switch (op)
5614 {
5615 case DW_OP_addr:
5616 printf ("DW_OP_addr: %lx",
5617 (unsigned long) byte_get (data, pointer_size));
5618 data += pointer_size;
5619 break;
5620 case DW_OP_deref:
5621 printf ("DW_OP_deref");
5622 break;
5623 case DW_OP_const1u:
5624 printf ("DW_OP_const1u: %lu", (unsigned long) byte_get (data++, 1));
5625 break;
5626 case DW_OP_const1s:
5627 printf ("DW_OP_const1s: %ld", (long) byte_get (data++, 1));
5628 break;
5629 case DW_OP_const2u:
5630 printf ("DW_OP_const2u: %lu", (unsigned long) byte_get (data, 2));
5631 data += 2;
5632 break;
5633 case DW_OP_const2s:
5634 printf ("DW_OP_const2s: %ld", (long) byte_get (data, 2));
5635 data += 2;
5636 break;
5637 case DW_OP_const4u:
5638 printf ("DW_OP_const4u: %lu", (unsigned long) byte_get (data, 4));
5639 data += 4;
5640 break;
5641 case DW_OP_const4s:
5642 printf ("DW_OP_const4s: %ld", (long) byte_get (data, 4));
5643 data += 4;
5644 break;
5645 case DW_OP_const8u:
5646 printf ("DW_OP_const8u: %lu %lu", (unsigned long) byte_get (data, 4),
5647 (unsigned long) byte_get (data + 4, 4));
5648 data += 8;
5649 break;
5650 case DW_OP_const8s:
5651 printf ("DW_OP_const8s: %ld %ld", (long) byte_get (data, 4),
5652 (long) byte_get (data + 4, 4));
5653 data += 8;
5654 break;
5655 case DW_OP_constu:
5656 printf ("DW_OP_constu: %lu", read_leb128 (data, &bytes_read, 0));
5657 data += bytes_read;
5658 break;
5659 case DW_OP_consts:
5660 printf ("DW_OP_consts: %ld", read_leb128 (data, &bytes_read, 1));
5661 data += bytes_read;
5662 break;
5663 case DW_OP_dup:
5664 printf ("DW_OP_dup");
5665 break;
5666 case DW_OP_drop:
5667 printf ("DW_OP_drop");
5668 break;
5669 case DW_OP_over:
5670 printf ("DW_OP_over");
5671 break;
5672 case DW_OP_pick:
5673 printf ("DW_OP_pick: %ld", (unsigned long) byte_get (data++, 1));
5674 break;
5675 case DW_OP_swap:
5676 printf ("DW_OP_swap");
5677 break;
5678 case DW_OP_rot:
5679 printf ("DW_OP_rot");
5680 break;
5681 case DW_OP_xderef:
5682 printf ("DW_OP_xderef");
5683 break;
5684 case DW_OP_abs:
5685 printf ("DW_OP_abs");
5686 break;
5687 case DW_OP_and:
5688 printf ("DW_OP_and");
5689 break;
5690 case DW_OP_div:
5691 printf ("DW_OP_div");
5692 break;
5693 case DW_OP_minus:
5694 printf ("DW_OP_minus");
5695 break;
5696 case DW_OP_mod:
5697 printf ("DW_OP_mod");
5698 break;
5699 case DW_OP_mul:
5700 printf ("DW_OP_mul");
5701 break;
5702 case DW_OP_neg:
5703 printf ("DW_OP_neg");
5704 break;
5705 case DW_OP_not:
5706 printf ("DW_OP_not");
5707 break;
5708 case DW_OP_or:
5709 printf ("DW_OP_or");
5710 break;
5711 case DW_OP_plus:
5712 printf ("DW_OP_plus");
5713 break;
5714 case DW_OP_plus_uconst:
5715 printf ("DW_OP_plus_uconst: %lu",
5716 read_leb128 (data, &bytes_read, 0));
5717 data += bytes_read;
5718 break;
5719 case DW_OP_shl:
5720 printf ("DW_OP_shl");
5721 break;
5722 case DW_OP_shr:
5723 printf ("DW_OP_shr");
5724 break;
5725 case DW_OP_shra:
5726 printf ("DW_OP_shra");
5727 break;
5728 case DW_OP_xor:
5729 printf ("DW_OP_xor");
5730 break;
5731 case DW_OP_bra:
5732 printf ("DW_OP_bra: %ld", (long) byte_get (data, 2));
5733 data += 2;
5734 break;
5735 case DW_OP_eq:
5736 printf ("DW_OP_eq");
5737 break;
5738 case DW_OP_ge:
5739 printf ("DW_OP_ge");
5740 break;
5741 case DW_OP_gt:
5742 printf ("DW_OP_gt");
5743 break;
5744 case DW_OP_le:
5745 printf ("DW_OP_le");
5746 break;
5747 case DW_OP_lt:
5748 printf ("DW_OP_lt");
5749 break;
5750 case DW_OP_ne:
5751 printf ("DW_OP_ne");
5752 break;
5753 case DW_OP_skip:
5754 printf ("DW_OP_skip: %ld", (long) byte_get (data, 2));
5755 data += 2;
5756 break;
5757
5758 case DW_OP_lit0:
5759 case DW_OP_lit1:
5760 case DW_OP_lit2:
5761 case DW_OP_lit3:
5762 case DW_OP_lit4:
5763 case DW_OP_lit5:
5764 case DW_OP_lit6:
5765 case DW_OP_lit7:
5766 case DW_OP_lit8:
5767 case DW_OP_lit9:
5768 case DW_OP_lit10:
5769 case DW_OP_lit11:
5770 case DW_OP_lit12:
5771 case DW_OP_lit13:
5772 case DW_OP_lit14:
5773 case DW_OP_lit15:
5774 case DW_OP_lit16:
5775 case DW_OP_lit17:
5776 case DW_OP_lit18:
5777 case DW_OP_lit19:
5778 case DW_OP_lit20:
5779 case DW_OP_lit21:
5780 case DW_OP_lit22:
5781 case DW_OP_lit23:
5782 case DW_OP_lit24:
5783 case DW_OP_lit25:
5784 case DW_OP_lit26:
5785 case DW_OP_lit27:
5786 case DW_OP_lit28:
5787 case DW_OP_lit29:
5788 case DW_OP_lit30:
5789 case DW_OP_lit31:
5790 printf ("DW_OP_lit%d", op - DW_OP_lit0);
5791 break;
5792
5793 case DW_OP_reg0:
5794 case DW_OP_reg1:
5795 case DW_OP_reg2:
5796 case DW_OP_reg3:
5797 case DW_OP_reg4:
5798 case DW_OP_reg5:
5799 case DW_OP_reg6:
5800 case DW_OP_reg7:
5801 case DW_OP_reg8:
5802 case DW_OP_reg9:
5803 case DW_OP_reg10:
5804 case DW_OP_reg11:
5805 case DW_OP_reg12:
5806 case DW_OP_reg13:
5807 case DW_OP_reg14:
5808 case DW_OP_reg15:
5809 case DW_OP_reg16:
5810 case DW_OP_reg17:
5811 case DW_OP_reg18:
5812 case DW_OP_reg19:
5813 case DW_OP_reg20:
5814 case DW_OP_reg21:
5815 case DW_OP_reg22:
5816 case DW_OP_reg23:
5817 case DW_OP_reg24:
5818 case DW_OP_reg25:
5819 case DW_OP_reg26:
5820 case DW_OP_reg27:
5821 case DW_OP_reg28:
5822 case DW_OP_reg29:
5823 case DW_OP_reg30:
5824 case DW_OP_reg31:
5825 printf ("DW_OP_reg%d", op - DW_OP_reg0);
5826 break;
5827
5828 case DW_OP_breg0:
5829 case DW_OP_breg1:
5830 case DW_OP_breg2:
5831 case DW_OP_breg3:
5832 case DW_OP_breg4:
5833 case DW_OP_breg5:
5834 case DW_OP_breg6:
5835 case DW_OP_breg7:
5836 case DW_OP_breg8:
5837 case DW_OP_breg9:
5838 case DW_OP_breg10:
5839 case DW_OP_breg11:
5840 case DW_OP_breg12:
5841 case DW_OP_breg13:
5842 case DW_OP_breg14:
5843 case DW_OP_breg15:
5844 case DW_OP_breg16:
5845 case DW_OP_breg17:
5846 case DW_OP_breg18:
5847 case DW_OP_breg19:
5848 case DW_OP_breg20:
5849 case DW_OP_breg21:
5850 case DW_OP_breg22:
5851 case DW_OP_breg23:
5852 case DW_OP_breg24:
5853 case DW_OP_breg25:
5854 case DW_OP_breg26:
5855 case DW_OP_breg27:
5856 case DW_OP_breg28:
5857 case DW_OP_breg29:
5858 case DW_OP_breg30:
5859 case DW_OP_breg31:
5860 printf ("DW_OP_breg%d: %ld", op - DW_OP_breg0,
5861 read_leb128 (data, &bytes_read, 1));
5862 data += bytes_read;
5863 break;
5864
5865 case DW_OP_regx:
5866 printf ("DW_OP_regx: %lu", read_leb128 (data, &bytes_read, 0));
5867 data += bytes_read;
5868 break;
5869 case DW_OP_fbreg:
5870 printf ("DW_OP_fbreg: %ld", read_leb128 (data, &bytes_read, 1));
5871 data += bytes_read;
5872 break;
5873 case DW_OP_bregx:
5874 uvalue = read_leb128 (data, &bytes_read, 0);
5875 data += bytes_read;
5876 printf ("DW_OP_bregx: %lu %ld", uvalue,
5877 read_leb128 (data, &bytes_read, 1));
5878 data += bytes_read;
5879 break;
5880 case DW_OP_piece:
5881 printf ("DW_OP_piece: %lu", read_leb128 (data, &bytes_read, 0));
5882 data += bytes_read;
5883 break;
5884 case DW_OP_deref_size:
5885 printf ("DW_OP_deref_size: %ld", (long) byte_get (data++, 1));
5886 break;
5887 case DW_OP_xderef_size:
5888 printf ("DW_OP_xderef_size: %ld", (long) byte_get (data++, 1));
5889 break;
5890 case DW_OP_nop:
5891 printf ("DW_OP_nop");
5892 break;
5893
5894 default:
5895 if (op >= DW_OP_lo_user
5896 && op <= DW_OP_hi_user)
5897 printf (_("(User defined location op)"));
5898 else
5899 printf (_("(Unknown location op)"));
5900 /* No way to tell where the next op is, so just bail. */
5901 return;
5902 }
5903 }
5904 }
5905
5906
5907 static unsigned char *
5908 read_and_display_attr (attribute, form, data, cu_offset, pointer_size)
5909 unsigned long attribute;
5910 unsigned long form;
5911 unsigned char * data;
5912 unsigned long cu_offset;
5913 unsigned long pointer_size;
5914 {
5915 unsigned long uvalue = 0;
5916 unsigned char * block_start = NULL;
5917 int bytes_read;
5918
5919 printf (" %-18s:", get_AT_name (attribute));
5920
5921 switch (form)
5922 {
5923 case DW_FORM_ref_addr:
5924 case DW_FORM_addr:
5925 uvalue = byte_get (data, pointer_size);
5926 data += pointer_size;
5927 break;
5928
5929 case DW_FORM_ref1:
5930 case DW_FORM_flag:
5931 case DW_FORM_data1:
5932 uvalue = byte_get (data ++, 1);
5933 break;
5934
5935 case DW_FORM_ref2:
5936 case DW_FORM_data2:
5937 uvalue = byte_get (data, 2);
5938 data += 2;
5939 break;
5940
5941 case DW_FORM_ref4:
5942 case DW_FORM_data4:
5943 uvalue = byte_get (data, 4);
5944 data += 4;
5945 break;
5946
5947 case DW_FORM_sdata:
5948 uvalue = read_leb128 (data, & bytes_read, 1);
5949 data += bytes_read;
5950 break;
5951
5952 case DW_FORM_ref_udata:
5953 case DW_FORM_udata:
5954 uvalue = read_leb128 (data, & bytes_read, 0);
5955 data += bytes_read;
5956 break;
5957 }
5958
5959 switch (form)
5960 {
5961 case DW_FORM_ref_addr:
5962 printf (" <#%lx>", uvalue);
5963 break;
5964
5965 case DW_FORM_ref1:
5966 case DW_FORM_ref2:
5967 case DW_FORM_ref4:
5968 case DW_FORM_ref_udata:
5969 printf (" <%lx>", uvalue + cu_offset);
5970 break;
5971
5972 case DW_FORM_addr:
5973 printf (" %#lx", uvalue);
5974
5975 case DW_FORM_flag:
5976 case DW_FORM_data1:
5977 case DW_FORM_data2:
5978 case DW_FORM_data4:
5979 case DW_FORM_sdata:
5980 case DW_FORM_udata:
5981 printf (" %ld", uvalue);
5982 break;
5983
5984 case DW_FORM_ref8:
5985 case DW_FORM_data8:
5986 uvalue = byte_get (data, 4);
5987 printf (" %lx", uvalue);
5988 printf (" %lx", (unsigned long) byte_get (data + 4, 4));
5989 data += 8;
5990 break;
5991
5992 case DW_FORM_string:
5993 printf (" %s", data);
5994 data += strlen (data) + 1;
5995 break;
5996
5997 case DW_FORM_block:
5998 uvalue = read_leb128 (data, & bytes_read, 0);
5999 block_start = data + bytes_read;
6000 data = display_block (block_start, uvalue);
6001 break;
6002
6003 case DW_FORM_block1:
6004 uvalue = byte_get (data, 1);
6005 block_start = data + 1;
6006 data = display_block (block_start, uvalue);
6007 break;
6008
6009 case DW_FORM_block2:
6010 uvalue = byte_get (data, 2);
6011 block_start = data + 2;
6012 data = display_block (block_start, uvalue);
6013 break;
6014
6015 case DW_FORM_block4:
6016 uvalue = byte_get (data, 4);
6017 block_start = data + 4;
6018 data = display_block (block_start, uvalue);
6019 break;
6020
6021 case DW_FORM_strp:
6022 case DW_FORM_indirect:
6023 warn (_("Unable to handle FORM: %d"), form);
6024 break;
6025
6026 default:
6027 warn (_("Unrecognised form: %d"), form);
6028 break;
6029 }
6030
6031 /* For some attributes we can display futher information. */
6032
6033 printf ("\t");
6034
6035 switch (attribute)
6036 {
6037 case DW_AT_inline:
6038 switch (uvalue)
6039 {
6040 case DW_INL_not_inlined: printf (_("(not inlined)")); break;
6041 case DW_INL_inlined: printf (_("(inlined)")); break;
6042 case DW_INL_declared_not_inlined: printf (_("(declared as inline but ignored)")); break;
6043 case DW_INL_declared_inlined: printf (_("(declared as inline and inlined)")); break;
6044 default: printf (_(" (Unknown inline attribute value: %lx)"), uvalue); break;
6045 }
6046 break;
6047
6048 case DW_AT_language:
6049 switch (uvalue)
6050 {
6051 case DW_LANG_C: printf ("(non-ANSI C)"); break;
6052 case DW_LANG_C89: printf ("(ANSI C)"); break;
6053 case DW_LANG_C_plus_plus: printf ("(C++)"); break;
6054 case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break;
6055 case DW_LANG_Fortran90: printf ("(Fortran 90)"); break;
6056 case DW_LANG_Modula2: printf ("(Modula 2)"); break;
6057 case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break;
6058 case DW_LANG_Ada83: printf ("(Ada)"); break;
6059 case DW_LANG_Cobol74: printf ("(Cobol 74)"); break;
6060 case DW_LANG_Cobol85: printf ("(Cobol 85)"); break;
6061 case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break;
6062 default: printf ("(Unknown: %lx)", uvalue); break;
6063 }
6064 break;
6065
6066 case DW_AT_encoding:
6067 switch (uvalue)
6068 {
6069 case DW_ATE_void: printf ("(void)"); break;
6070 case DW_ATE_address: printf ("(machine address)"); break;
6071 case DW_ATE_boolean: printf ("(boolean)"); break;
6072 case DW_ATE_complex_float: printf ("(complex float)"); break;
6073 case DW_ATE_float: printf ("(float)"); break;
6074 case DW_ATE_signed: printf ("(signed)"); break;
6075 case DW_ATE_signed_char: printf ("(signed char)"); break;
6076 case DW_ATE_unsigned: printf ("(unsigned)"); break;
6077 case DW_ATE_unsigned_char: printf ("(unsigned char)"); break;
6078 default:
6079 if (uvalue >= DW_ATE_lo_user
6080 && uvalue <= DW_ATE_hi_user)
6081 printf ("(user defined type)");
6082 else
6083 printf ("(unknown type)");
6084 break;
6085 }
6086 break;
6087
6088 case DW_AT_accessibility:
6089 switch (uvalue)
6090 {
6091 case DW_ACCESS_public: printf ("(public)"); break;
6092 case DW_ACCESS_protected: printf ("(protected)"); break;
6093 case DW_ACCESS_private: printf ("(private)"); break;
6094 default: printf ("(unknown accessibility)"); break;
6095 }
6096 break;
6097
6098 case DW_AT_visibility:
6099 switch (uvalue)
6100 {
6101 case DW_VIS_local: printf ("(local)"); break;
6102 case DW_VIS_exported: printf ("(exported)"); break;
6103 case DW_VIS_qualified: printf ("(qualified)"); break;
6104 default: printf ("(unknown visibility)"); break;
6105 }
6106 break;
6107
6108 case DW_AT_virtuality:
6109 switch (uvalue)
6110 {
6111 case DW_VIRTUALITY_none: printf ("(none)"); break;
6112 case DW_VIRTUALITY_virtual: printf ("(virtual)"); break;
6113 case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break;
6114 default: printf ("(unknown virtuality)"); break;
6115 }
6116 break;
6117
6118 case DW_AT_identifier_case:
6119 switch (uvalue)
6120 {
6121 case DW_ID_case_sensitive: printf ("(case_sensitive)"); break;
6122 case DW_ID_up_case: printf ("(up_case)"); break;
6123 case DW_ID_down_case: printf ("(down_case)"); break;
6124 case DW_ID_case_insensitive: printf ("(case_insensitive)"); break;
6125 default: printf ("(unknown case)"); break;
6126 }
6127 break;
6128
6129 case DW_AT_calling_convention:
6130 switch (uvalue)
6131 {
6132 case DW_CC_normal: printf ("(normal)"); break;
6133 case DW_CC_program: printf ("(program)"); break;
6134 case DW_CC_nocall: printf ("(nocall)"); break;
6135 default:
6136 if (uvalue >= DW_CC_lo_user
6137 && uvalue <= DW_CC_hi_user)
6138 printf ("(user defined)");
6139 else
6140 printf ("(unknown convention)");
6141 }
6142 break;
6143
6144 case DW_AT_frame_base:
6145 case DW_AT_location:
6146 case DW_AT_data_member_location:
6147 case DW_AT_vtable_elem_location:
6148 if (block_start)
6149 {
6150 printf ("(");
6151 decode_location_expression (block_start, pointer_size, uvalue);
6152 printf (")");
6153 }
6154 break;
6155
6156 default:
6157 break;
6158 }
6159
6160 printf ("\n");
6161 return data;
6162 }
6163
6164 static int
6165 display_debug_info (section, start, file)
6166 Elf32_Internal_Shdr * section;
6167 unsigned char * start;
6168 FILE * file;
6169 {
6170 unsigned char * end = start + section->sh_size;
6171 unsigned char * section_begin = start;
6172
6173 printf (_("The section %s contains:\n\n"), SECTION_NAME (section));
6174
6175 while (start < end)
6176 {
6177 DWARF2_External_CompUnit * external;
6178 DWARF2_Internal_CompUnit compunit;
6179 unsigned char * tags;
6180 int i;
6181 int level;
6182 unsigned long cu_offset;
6183
6184 external = (DWARF2_External_CompUnit *) start;
6185
6186 compunit.cu_length = BYTE_GET (external->cu_length);
6187 compunit.cu_version = BYTE_GET (external->cu_version);
6188 compunit.cu_abbrev_offset = BYTE_GET (external->cu_abbrev_offset);
6189 compunit.cu_pointer_size = BYTE_GET (external->cu_pointer_size);
6190
6191 tags = start + sizeof (* external);
6192 cu_offset = start - section_begin;
6193 start += compunit.cu_length + sizeof (external->cu_length);
6194
6195 if (compunit.cu_version != 2)
6196 {
6197 warn (_("Only version 2 DWARF debug information is currently supported.\n"));
6198 continue;
6199 }
6200
6201 printf (_(" Compilation Unit:\n"));
6202 printf (_(" Length: %ld\n"), compunit.cu_length);
6203 printf (_(" Version: %d\n"), compunit.cu_version);
6204 printf (_(" Abbrev Offset: %ld\n"), compunit.cu_abbrev_offset);
6205 printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
6206
6207 if (first_abbrev != NULL)
6208 free_abbrevs ();
6209
6210 /* Read in the abbrevs used by this compilation unit. */
6211
6212 {
6213 Elf32_Internal_Shdr * sec;
6214 unsigned char * begin;
6215
6216 /* Locate the .debug_abbrev section and process it. */
6217 for (i = 0, sec = section_headers;
6218 i < elf_header.e_shnum;
6219 i ++, sec ++)
6220 if (strcmp (SECTION_NAME (sec), ".debug_abbrev") == 0)
6221 break;
6222
6223 if (i == -1 || sec->sh_size == 0)
6224 {
6225 warn (_("Unable to locate .debug_abbrev section!\n"));
6226 return 0;
6227 }
6228
6229 GET_DATA_ALLOC (sec->sh_offset, sec->sh_size, begin, unsigned char *,
6230 "debug_abbrev section data");
6231
6232 process_abbrev_section (begin + compunit.cu_abbrev_offset,
6233 begin + sec->sh_size);
6234
6235 free (begin);
6236 }
6237
6238 level = 0;
6239 while (tags < start)
6240 {
6241 int bytes_read;
6242 unsigned long abbrev_number;
6243 abbrev_entry * entry;
6244 abbrev_attr * attr;
6245
6246 abbrev_number = read_leb128 (tags, & bytes_read, 0);
6247 tags += bytes_read;
6248
6249 /* A null DIE marks the end of a list of children. */
6250 if (abbrev_number == 0)
6251 {
6252 --level;
6253 continue;
6254 }
6255
6256 /* Scan through the abbreviation list until we reach the
6257 correct entry. */
6258 for (entry = first_abbrev;
6259 entry && entry->entry != abbrev_number;
6260 entry = entry->next)
6261 continue;
6262
6263 if (entry == NULL)
6264 {
6265 warn (_("Unable to locate entry %lu in the abbreviation table\n"),
6266 abbrev_number);
6267 return 0;
6268 }
6269
6270 printf (_(" <%d><%x>: Abbrev Number: %lu (%s)\n"),
6271 level, tags - section_begin - bytes_read,
6272 abbrev_number,
6273 get_TAG_name (entry->tag));
6274
6275 for (attr = entry->first_attr; attr; attr = attr->next)
6276 tags = read_and_display_attr (attr->attribute,
6277 attr->form,
6278 tags, cu_offset,
6279 compunit.cu_pointer_size);
6280
6281 if (entry->children)
6282 ++level;
6283 }
6284 }
6285
6286 printf ("\n");
6287
6288 return 1;
6289 }
6290
6291 static int
6292 display_debug_aranges (section, start, file)
6293 Elf32_Internal_Shdr * section;
6294 unsigned char * start;
6295 FILE * file ATTRIBUTE_UNUSED;
6296 {
6297 unsigned char * end = start + section->sh_size;
6298
6299 printf (_("The section %s contains:\n\n"), SECTION_NAME (section));
6300
6301 while (start < end)
6302 {
6303 DWARF2_External_ARange * external;
6304 DWARF2_Internal_ARange arange;
6305 unsigned char * ranges;
6306 unsigned long length;
6307 unsigned long address;
6308 int excess;
6309
6310 external = (DWARF2_External_ARange *) start;
6311
6312 arange.ar_length = BYTE_GET (external->ar_length);
6313 arange.ar_version = BYTE_GET (external->ar_version);
6314 arange.ar_info_offset = BYTE_GET (external->ar_info_offset);
6315 arange.ar_pointer_size = BYTE_GET (external->ar_pointer_size);
6316 arange.ar_segment_size = BYTE_GET (external->ar_segment_size);
6317
6318 printf (_(" Length: %ld\n"), arange.ar_length);
6319 printf (_(" Version: %d\n"), arange.ar_version);
6320 printf (_(" Offset into .debug_info: %lx\n"), arange.ar_info_offset);
6321 printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size);
6322 printf (_(" Segment Size: %d\n"), arange.ar_segment_size);
6323
6324 printf (_("\n Address Length\n"));
6325
6326 ranges = start + sizeof (* external);
6327
6328 /* Must pad to an alignment boundary that is twice the pointer size. */
6329 excess = sizeof (*external) % (2 * arange.ar_pointer_size);
6330 if (excess)
6331 ranges += (2 * arange.ar_pointer_size) - excess;
6332
6333 for (;;)
6334 {
6335 address = byte_get (ranges, arange.ar_pointer_size);
6336
6337 ranges += arange.ar_pointer_size;
6338
6339 length = byte_get (ranges, arange.ar_pointer_size);
6340
6341 ranges += arange.ar_pointer_size;
6342
6343 /* A pair of zeros marks the end of the list. */
6344 if (address == 0 && length == 0)
6345 break;
6346
6347 printf (" %8.8lx %lu\n", address, length);
6348 }
6349
6350 start += arange.ar_length + sizeof (external->ar_length);
6351 }
6352
6353 printf ("\n");
6354
6355 return 1;
6356 }
6357
6358
6359 static int
6360 display_debug_not_supported (section, start, file)
6361 Elf32_Internal_Shdr * section;
6362 unsigned char * start ATTRIBUTE_UNUSED;
6363 FILE * file ATTRIBUTE_UNUSED;
6364 {
6365 printf (_("Displaying the debug contents of section %s is not yet supported.\n"),
6366 SECTION_NAME (section));
6367
6368 return 1;
6369 }
6370
6371 /* Pre-scan the .debug_info section to record the size of address.
6372 When dumping the .debug_line, we use that size information, assuming
6373 that all compilation units have the same address size. */
6374 static int
6375 prescan_debug_info (section, start, file)
6376 Elf32_Internal_Shdr * section ATTRIBUTE_UNUSED;
6377 unsigned char * start;
6378 FILE * file ATTRIBUTE_UNUSED;
6379 {
6380 DWARF2_External_CompUnit * external;
6381
6382 external = (DWARF2_External_CompUnit *) start;
6383
6384 debug_line_pointer_size = BYTE_GET (external->cu_pointer_size);
6385 return 0;
6386 }
6387
6388 /* A structure containing the name of a debug section and a pointer
6389 to a function that can decode it. The third field is a prescan
6390 function to be run over the section before displaying any of the
6391 sections. */
6392 struct
6393 {
6394 char * name;
6395 int (* display) PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
6396 int (* prescan) PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
6397 }
6398 debug_displays[] =
6399 {
6400 { ".debug_info", display_debug_info, prescan_debug_info },
6401 { ".debug_abbrev", display_debug_abbrev, NULL },
6402 { ".debug_line", display_debug_lines, NULL },
6403 { ".debug_aranges", display_debug_aranges, NULL },
6404 { ".debug_pubnames", display_debug_pubnames, NULL },
6405 { ".debug_macinfo", display_debug_not_supported, NULL },
6406 { ".debug_frame", display_debug_not_supported, NULL },
6407 { ".debug_str", display_debug_not_supported, NULL },
6408 { ".debug_static_func", display_debug_not_supported, NULL },
6409 { ".debug_static_vars", display_debug_not_supported, NULL },
6410 { ".debug_types", display_debug_not_supported, NULL },
6411 { ".debug_weaknames", display_debug_not_supported, NULL }
6412 };
6413
6414 static int
6415 display_debug_section (section, file)
6416 Elf32_Internal_Shdr * section;
6417 FILE * file;
6418 {
6419 char * name = SECTION_NAME (section);
6420 bfd_size_type length;
6421 unsigned char * start;
6422 int i;
6423
6424 length = section->sh_size;
6425 if (length == 0)
6426 {
6427 printf (_("\nSection '%s' has no debugging data.\n"), name);
6428 return 0;
6429 }
6430
6431 GET_DATA_ALLOC (section->sh_offset, length, start, unsigned char *,
6432 "debug section data");
6433
6434 /* See if we know how to display the contents of this section. */
6435 for (i = NUM_ELEM (debug_displays); i--;)
6436 if (strcmp (debug_displays[i].name, name) == 0)
6437 {
6438 debug_displays[i].display (section, start, file);
6439 break;
6440 }
6441
6442 if (i == -1)
6443 printf (_("Unrecognised debug section: %s\n"), name);
6444
6445 free (start);
6446
6447 /* If we loaded in the abbrev section at some point,
6448 we must release it here. */
6449 if (first_abbrev != NULL)
6450 free_abbrevs ();
6451
6452 return 1;
6453 }
6454
6455 static int
6456 process_section_contents (file)
6457 FILE * file;
6458 {
6459 Elf32_Internal_Shdr * section;
6460 unsigned int i;
6461
6462 if (! do_dump)
6463 return 1;
6464
6465 /* Pre-scan the debug sections to find some debug information not
6466 present in some of them. For the .debug_line, we must find out the
6467 size of address (specified in .debug_info and .debug_aranges). */
6468 for (i = 0, section = section_headers;
6469 i < elf_header.e_shnum && i < num_dump_sects;
6470 i ++, section ++)
6471 {
6472 char * name = SECTION_NAME (section);
6473 int j;
6474
6475 if (section->sh_size == 0)
6476 continue;
6477
6478 /* See if there is some pre-scan operation for this section. */
6479 for (j = NUM_ELEM (debug_displays); j--;)
6480 if (strcmp (debug_displays[j].name, name) == 0)
6481 {
6482 if (debug_displays[j].prescan != NULL)
6483 {
6484 bfd_size_type length;
6485 unsigned char * start;
6486
6487 length = section->sh_size;
6488 GET_DATA_ALLOC (section->sh_offset, length, start, unsigned char *,
6489 "debug section data");
6490
6491 debug_displays[j].prescan (section, start, file);
6492 free (start);
6493 }
6494
6495 break;
6496 }
6497 }
6498
6499 for (i = 0, section = section_headers;
6500 i < elf_header.e_shnum && i < num_dump_sects;
6501 i ++, section ++)
6502 {
6503 #ifdef SUPPORT_DISASSEMBLY
6504 if (dump_sects[i] & DISASS_DUMP)
6505 disassemble_section (section, file);
6506 #endif
6507 if (dump_sects[i] & HEX_DUMP)
6508 dump_section (section, file);
6509
6510 if (dump_sects[i] & DEBUG_DUMP)
6511 display_debug_section (section, file);
6512 }
6513
6514 if (i < num_dump_sects)
6515 warn (_("Some sections were not dumped because they do not exist!\n"));
6516
6517 return 1;
6518 }
6519
6520 static void
6521 process_mips_fpe_exception (mask)
6522 int mask;
6523 {
6524 if (mask)
6525 {
6526 int first = 1;
6527 if (mask & OEX_FPU_INEX)
6528 fputs ("INEX", stdout), first = 0;
6529 if (mask & OEX_FPU_UFLO)
6530 printf ("%sUFLO", first ? "" : "|"), first = 0;
6531 if (mask & OEX_FPU_OFLO)
6532 printf ("%sOFLO", first ? "" : "|"), first = 0;
6533 if (mask & OEX_FPU_DIV0)
6534 printf ("%sDIV0", first ? "" : "|"), first = 0;
6535 if (mask & OEX_FPU_INVAL)
6536 printf ("%sINVAL", first ? "" : "|");
6537 }
6538 else
6539 fputs ("0", stdout);
6540 }
6541
6542 static int
6543 process_mips_specific (file)
6544 FILE * file;
6545 {
6546 Elf_Internal_Dyn * entry;
6547 size_t liblist_offset = 0;
6548 size_t liblistno = 0;
6549 size_t conflictsno = 0;
6550 size_t options_offset = 0;
6551 size_t conflicts_offset = 0;
6552
6553 /* We have a lot of special sections. Thanks SGI! */
6554 if (dynamic_segment == NULL)
6555 /* No information available. */
6556 return 0;
6557
6558 for (entry = dynamic_segment; entry->d_tag != DT_NULL; ++entry)
6559 switch (entry->d_tag)
6560 {
6561 case DT_MIPS_LIBLIST:
6562 liblist_offset = entry->d_un.d_val - loadaddr;
6563 break;
6564 case DT_MIPS_LIBLISTNO:
6565 liblistno = entry->d_un.d_val;
6566 break;
6567 case DT_MIPS_OPTIONS:
6568 options_offset = entry->d_un.d_val - loadaddr;
6569 break;
6570 case DT_MIPS_CONFLICT:
6571 conflicts_offset = entry->d_un.d_val - loadaddr;
6572 break;
6573 case DT_MIPS_CONFLICTNO:
6574 conflictsno = entry->d_un.d_val;
6575 break;
6576 default:
6577 break;
6578 }
6579
6580 if (liblist_offset != 0 && liblistno != 0 && do_dynamic)
6581 {
6582 Elf32_External_Lib * elib;
6583 size_t cnt;
6584
6585 GET_DATA_ALLOC (liblist_offset, liblistno * sizeof (Elf32_External_Lib),
6586 elib, Elf32_External_Lib *, "liblist");
6587
6588 printf ("\nSection '.liblist' contains %lu entries:\n",
6589 (unsigned long) liblistno);
6590 fputs (" Library Time Stamp Checksum Version Flags\n",
6591 stdout);
6592
6593 for (cnt = 0; cnt < liblistno; ++cnt)
6594 {
6595 Elf32_Lib liblist;
6596 time_t time;
6597 char timebuf[20];
6598
6599 liblist.l_name = BYTE_GET (elib[cnt].l_name);
6600 time = BYTE_GET (elib[cnt].l_time_stamp);
6601 liblist.l_checksum = BYTE_GET (elib[cnt].l_checksum);
6602 liblist.l_version = BYTE_GET (elib[cnt].l_version);
6603 liblist.l_flags = BYTE_GET (elib[cnt].l_flags);
6604
6605 strftime (timebuf, 20, "%Y-%m-%dT%H:%M:%S", gmtime (&time));
6606
6607 printf ("%3lu: %-20s %s %#10lx %-7ld", (unsigned long) cnt,
6608 dynamic_strings + liblist.l_name, timebuf,
6609 liblist.l_checksum, liblist.l_version);
6610
6611 if (liblist.l_flags == 0)
6612 puts (" NONE");
6613 else
6614 {
6615 static const struct
6616 {
6617 const char * name;
6618 int bit;
6619 }
6620 l_flags_vals[] =
6621 {
6622 { " EXACT_MATCH", LL_EXACT_MATCH },
6623 { " IGNORE_INT_VER", LL_IGNORE_INT_VER },
6624 { " REQUIRE_MINOR", LL_REQUIRE_MINOR },
6625 { " EXPORTS", LL_EXPORTS },
6626 { " DELAY_LOAD", LL_DELAY_LOAD },
6627 { " DELTA", LL_DELTA }
6628 };
6629 int flags = liblist.l_flags;
6630 size_t fcnt;
6631
6632 for (fcnt = 0;
6633 fcnt < sizeof (l_flags_vals) / sizeof (l_flags_vals[0]);
6634 ++fcnt)
6635 if ((flags & l_flags_vals[fcnt].bit) != 0)
6636 {
6637 fputs (l_flags_vals[fcnt].name, stdout);
6638 flags ^= l_flags_vals[fcnt].bit;
6639 }
6640 if (flags != 0)
6641 printf (" %#x", (unsigned int) flags);
6642
6643 puts ("");
6644 }
6645 }
6646
6647 free (elib);
6648 }
6649
6650 if (options_offset != 0)
6651 {
6652 Elf_External_Options * eopt;
6653 Elf_Internal_Shdr * sect = section_headers;
6654 Elf_Internal_Options * iopt;
6655 Elf_Internal_Options * option;
6656 size_t offset;
6657 int cnt;
6658
6659 /* Find the section header so that we get the size. */
6660 while (sect->sh_type != SHT_MIPS_OPTIONS)
6661 ++ sect;
6662
6663 GET_DATA_ALLOC (options_offset, sect->sh_size, eopt,
6664 Elf_External_Options *, "options");
6665
6666 iopt = (Elf_Internal_Options *) malloc ((sect->sh_size / sizeof (eopt))
6667 * sizeof (*iopt));
6668 if (iopt == NULL)
6669 {
6670 error (_("Out of memory"));
6671 return 0;
6672 }
6673
6674 offset = cnt = 0;
6675 option = iopt;
6676
6677 while (offset < sect->sh_size)
6678 {
6679 Elf_External_Options * eoption;
6680
6681 eoption = (Elf_External_Options *) ((char *) eopt + offset);
6682
6683 option->kind = BYTE_GET (eoption->kind);
6684 option->size = BYTE_GET (eoption->size);
6685 option->section = BYTE_GET (eoption->section);
6686 option->info = BYTE_GET (eoption->info);
6687
6688 offset += option->size;
6689
6690 ++option;
6691 ++cnt;
6692 }
6693
6694 printf (_("\nSection '%s' contains %d entries:\n"),
6695 string_table + sect->sh_name, cnt);
6696
6697 option = iopt;
6698
6699 while (cnt-- > 0)
6700 {
6701 size_t len;
6702
6703 switch (option->kind)
6704 {
6705 case ODK_NULL:
6706 /* This shouldn't happen. */
6707 printf (" NULL %d %lx", option->section, option->info);
6708 break;
6709 case ODK_REGINFO:
6710 printf (" REGINFO ");
6711 if (elf_header.e_machine == EM_MIPS)
6712 {
6713 /* 32bit form. */
6714 Elf32_External_RegInfo *ereg;
6715 Elf32_RegInfo reginfo;
6716
6717 ereg = (Elf32_External_RegInfo *) (option + 1);
6718 reginfo.ri_gprmask = BYTE_GET (ereg->ri_gprmask);
6719 reginfo.ri_cprmask[0] = BYTE_GET (ereg->ri_cprmask[0]);
6720 reginfo.ri_cprmask[1] = BYTE_GET (ereg->ri_cprmask[1]);
6721 reginfo.ri_cprmask[2] = BYTE_GET (ereg->ri_cprmask[2]);
6722 reginfo.ri_cprmask[3] = BYTE_GET (ereg->ri_cprmask[3]);
6723 reginfo.ri_gp_value = BYTE_GET (ereg->ri_gp_value);
6724
6725 printf ("GPR %08lx GP 0x%lx\n",
6726 reginfo.ri_gprmask,
6727 (unsigned long) reginfo.ri_gp_value);
6728 printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n",
6729 reginfo.ri_cprmask[0], reginfo.ri_cprmask[1],
6730 reginfo.ri_cprmask[2], reginfo.ri_cprmask[3]);
6731 }
6732 else
6733 {
6734 /* 64 bit form. */
6735 Elf64_External_RegInfo * ereg;
6736 Elf64_Internal_RegInfo reginfo;
6737
6738 ereg = (Elf64_External_RegInfo *) (option + 1);
6739 reginfo.ri_gprmask = BYTE_GET (ereg->ri_gprmask);
6740 reginfo.ri_cprmask[0] = BYTE_GET (ereg->ri_cprmask[0]);
6741 reginfo.ri_cprmask[1] = BYTE_GET (ereg->ri_cprmask[1]);
6742 reginfo.ri_cprmask[2] = BYTE_GET (ereg->ri_cprmask[2]);
6743 reginfo.ri_cprmask[3] = BYTE_GET (ereg->ri_cprmask[3]);
6744 reginfo.ri_gp_value = BYTE_GET8 (ereg->ri_gp_value);
6745
6746 printf ("GPR %08lx GP 0x",
6747 reginfo.ri_gprmask);
6748 printf_vma (reginfo.ri_gp_value);
6749 printf ("\n");
6750
6751 printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n",
6752 reginfo.ri_cprmask[0], reginfo.ri_cprmask[1],
6753 reginfo.ri_cprmask[2], reginfo.ri_cprmask[3]);
6754 }
6755 ++option;
6756 continue;
6757 case ODK_EXCEPTIONS:
6758 fputs (" EXCEPTIONS fpe_min(", stdout);
6759 process_mips_fpe_exception (option->info & OEX_FPU_MIN);
6760 fputs (") fpe_max(", stdout);
6761 process_mips_fpe_exception ((option->info & OEX_FPU_MAX) >> 8);
6762 fputs (")", stdout);
6763
6764 if (option->info & OEX_PAGE0)
6765 fputs (" PAGE0", stdout);
6766 if (option->info & OEX_SMM)
6767 fputs (" SMM", stdout);
6768 if (option->info & OEX_FPDBUG)
6769 fputs (" FPDBUG", stdout);
6770 if (option->info & OEX_DISMISS)
6771 fputs (" DISMISS", stdout);
6772 break;
6773 case ODK_PAD:
6774 fputs (" PAD ", stdout);
6775 if (option->info & OPAD_PREFIX)
6776 fputs (" PREFIX", stdout);
6777 if (option->info & OPAD_POSTFIX)
6778 fputs (" POSTFIX", stdout);
6779 if (option->info & OPAD_SYMBOL)
6780 fputs (" SYMBOL", stdout);
6781 break;
6782 case ODK_HWPATCH:
6783 fputs (" HWPATCH ", stdout);
6784 if (option->info & OHW_R4KEOP)
6785 fputs (" R4KEOP", stdout);
6786 if (option->info & OHW_R8KPFETCH)
6787 fputs (" R8KPFETCH", stdout);
6788 if (option->info & OHW_R5KEOP)
6789 fputs (" R5KEOP", stdout);
6790 if (option->info & OHW_R5KCVTL)
6791 fputs (" R5KCVTL", stdout);
6792 break;
6793 case ODK_FILL:
6794 fputs (" FILL ", stdout);
6795 /* XXX Print content of info word? */
6796 break;
6797 case ODK_TAGS:
6798 fputs (" TAGS ", stdout);
6799 /* XXX Print content of info word? */
6800 break;
6801 case ODK_HWAND:
6802 fputs (" HWAND ", stdout);
6803 if (option->info & OHWA0_R4KEOP_CHECKED)
6804 fputs (" R4KEOP_CHECKED", stdout);
6805 if (option->info & OHWA0_R4KEOP_CLEAN)
6806 fputs (" R4KEOP_CLEAN", stdout);
6807 break;
6808 case ODK_HWOR:
6809 fputs (" HWOR ", stdout);
6810 if (option->info & OHWA0_R4KEOP_CHECKED)
6811 fputs (" R4KEOP_CHECKED", stdout);
6812 if (option->info & OHWA0_R4KEOP_CLEAN)
6813 fputs (" R4KEOP_CLEAN", stdout);
6814 break;
6815 case ODK_GP_GROUP:
6816 printf (" GP_GROUP %#06lx self-contained %#06lx",
6817 option->info & OGP_GROUP,
6818 (option->info & OGP_SELF) >> 16);
6819 break;
6820 case ODK_IDENT:
6821 printf (" IDENT %#06lx self-contained %#06lx",
6822 option->info & OGP_GROUP,
6823 (option->info & OGP_SELF) >> 16);
6824 break;
6825 default:
6826 /* This shouldn't happen. */
6827 printf (" %3d ??? %d %lx",
6828 option->kind, option->section, option->info);
6829 break;
6830 }
6831
6832 len = sizeof (*eopt);
6833 while (len < option->size)
6834 if (((char *) option)[len] >= ' '
6835 && ((char *) option)[len] < 0x7f)
6836 printf ("%c", ((char *) option)[len++]);
6837 else
6838 printf ("\\%03o", ((char *) option)[len++]);
6839
6840 fputs ("\n", stdout);
6841 ++option;
6842 }
6843
6844 free (eopt);
6845 }
6846
6847 if (conflicts_offset != 0 && conflictsno != 0)
6848 {
6849 Elf32_External_Conflict * econf32;
6850 Elf64_External_Conflict * econf64;
6851 Elf32_Conflict * iconf;
6852 size_t cnt;
6853
6854 if (dynamic_symbols == NULL)
6855 {
6856 error (_("conflict list with without table"));
6857 return 0;
6858 }
6859
6860 iconf = (Elf32_Conflict *) malloc (conflictsno * sizeof (*iconf));
6861 if (iconf == NULL)
6862 {
6863 error (_("Out of memory"));
6864 return 0;
6865 }
6866
6867 if (is_32bit_elf)
6868 {
6869 GET_DATA_ALLOC (conflicts_offset, conflictsno * sizeof (*econf32),
6870 econf32, Elf32_External_Conflict *, "conflict");
6871
6872 for (cnt = 0; cnt < conflictsno; ++cnt)
6873 iconf[cnt] = BYTE_GET (econf32[cnt]);
6874 }
6875 else
6876 {
6877 GET_DATA_ALLOC (conflicts_offset, conflictsno * sizeof (*econf64),
6878 econf64, Elf64_External_Conflict *, "conflict");
6879
6880 for (cnt = 0; cnt < conflictsno; ++cnt)
6881 iconf[cnt] = BYTE_GET (econf64[cnt]);
6882 }
6883
6884 printf (_("\nSection '.conflict' contains %d entries:\n"), conflictsno);
6885 puts (_(" Num: Index Value Name"));
6886
6887 for (cnt = 0; cnt < conflictsno; ++cnt)
6888 {
6889 Elf_Internal_Sym * psym = &dynamic_symbols[iconf[cnt]];
6890
6891 printf ("%5lu: %8lu ", (unsigned long) cnt, iconf[cnt]);
6892 print_vma (psym->st_value, FULL_HEX);
6893 printf (" %s\n", dynamic_strings + psym->st_name);
6894 }
6895
6896 free (iconf);
6897 }
6898
6899 return 1;
6900 }
6901
6902 static char *
6903 get_note_type (e_type)
6904 unsigned e_type;
6905 {
6906 static char buff[64];
6907
6908 switch (e_type)
6909 {
6910 case NT_PRSTATUS: return _("NT_PRSTATUS (prstatus structure)");
6911 case NT_FPREGSET: return _("NT_FPREGSET (floating point registers)");
6912 case NT_PRPSINFO: return _("NT_PRPSINFO (prpsinfo structure)");
6913 case NT_TASKSTRUCT: return _("NT_TASKSTRUCT (task structure)");
6914 case NT_PRXFPREG: return _("NT_PRXFPREG (user_xfpregs structure)");
6915 case NT_PSTATUS: return _("NT_PSTATUS (pstatus structure)");
6916 case NT_FPREGS: return _("NT_FPREGS (floating point registers)");
6917 case NT_PSINFO: return _("NT_PSINFO (psinfo structure)");
6918 case NT_LWPSTATUS: return _("NT_LWPSTATUS (lwpstatus_t structure)");
6919 case NT_LWPSINFO: return _("NT_LWPSINFO (lwpsinfo_t structure)");
6920 case NT_WIN32PSTATUS: return _("NT_WIN32PSTATUS (win32_pstatus strcuture)");
6921 default:
6922 sprintf (buff, _("Unknown note type: (0x%08x)"), e_type);
6923 return buff;
6924 }
6925 }
6926
6927 /* Note that by the ELF standard, the name field is already null byte
6928 terminated, and namesz includes the terminating null byte.
6929 I.E. the value of namesz for the name "FSF" is 4.
6930
6931 If the value of namesz is zero, there is no name present. */
6932 static int
6933 process_note (pnote)
6934 Elf32_Internal_Note * pnote;
6935 {
6936 printf (" %s\t\t0x%08lx\t%s\n",
6937 pnote->namesz ? pnote->namedata : "(NONE)",
6938 pnote->descsz, get_note_type (pnote->type));
6939 return 1;
6940 }
6941
6942
6943 static int
6944 process_corefile_note_segment (file, offset, length)
6945 FILE * file;
6946 bfd_vma offset;
6947 bfd_vma length;
6948 {
6949 Elf_External_Note * pnotes;
6950 Elf_External_Note * external;
6951 int res = 1;
6952
6953 if (length <= 0)
6954 return 0;
6955
6956 GET_DATA_ALLOC (offset, length, pnotes, Elf_External_Note *, "notes");
6957
6958 external = pnotes;
6959
6960 printf (_("\nNotes at offset 0x%08lx with length 0x%08lx:\n"),
6961 (unsigned long) offset, (unsigned long) length);
6962 printf (_(" Owner\t\tData size\tDescription\n"));
6963
6964 while (external < (Elf_External_Note *)((char *) pnotes + length))
6965 {
6966 Elf32_Internal_Note inote;
6967 char * temp = NULL;
6968
6969 inote.type = BYTE_GET (external->type);
6970 inote.namesz = BYTE_GET (external->namesz);
6971 inote.namedata = external->name;
6972 inote.descsz = BYTE_GET (external->descsz);
6973 inote.descdata = inote.namedata + align_power (inote.namesz, 2);
6974 inote.descpos = offset + (inote.descdata - (char *) pnotes);
6975
6976 external = (Elf_External_Note *)(inote.descdata + align_power (inote.descsz, 2));
6977
6978 /* Verify that name is null terminated. It appears that at least
6979 one version of Linux (RedHat 6.0) generates corefiles that don't
6980 comply with the ELF spec by failing to include the null byte in
6981 namesz. */
6982 if (inote.namedata[inote.namesz] != '\0')
6983 {
6984 temp = malloc (inote.namesz + 1);
6985
6986 if (temp == NULL)
6987 {
6988 error (_("Out of memory\n"));
6989 res = 0;
6990 break;
6991 }
6992
6993 strncpy (temp, inote.namedata, inote.namesz);
6994 temp[inote.namesz] = 0;
6995
6996 /* warn (_("'%s' NOTE name not properly null terminated\n"), temp); */
6997 inote.namedata = temp;
6998 }
6999
7000 res &= process_note (& inote);
7001
7002 if (temp != NULL)
7003 {
7004 free (temp);
7005 temp = NULL;
7006 }
7007 }
7008
7009 free (pnotes);
7010
7011 return res;
7012 }
7013
7014 static int
7015 process_corefile_note_segments (file)
7016 FILE * file;
7017 {
7018 Elf_Internal_Phdr * program_headers;
7019 Elf_Internal_Phdr * segment;
7020 unsigned int i;
7021 int res = 1;
7022
7023 program_headers = (Elf_Internal_Phdr *) malloc
7024 (elf_header.e_phnum * sizeof (Elf_Internal_Phdr));
7025
7026 if (program_headers == NULL)
7027 {
7028 error (_("Out of memory\n"));
7029 return 0;
7030 }
7031
7032 if (is_32bit_elf)
7033 i = get_32bit_program_headers (file, program_headers);
7034 else
7035 i = get_64bit_program_headers (file, program_headers);
7036
7037 if (i == 0)
7038 {
7039 free (program_headers);
7040 return 0;
7041 }
7042
7043 for (i = 0, segment = program_headers;
7044 i < elf_header.e_phnum;
7045 i ++, segment ++)
7046 {
7047 if (segment->p_type == PT_NOTE)
7048 res &= process_corefile_note_segment (file,
7049 (bfd_vma) segment->p_offset,
7050 (bfd_vma) segment->p_filesz);
7051 }
7052
7053 free (program_headers);
7054
7055 return res;
7056 }
7057
7058 static int
7059 process_corefile_contents (file)
7060 FILE * file;
7061 {
7062 /* If we have not been asked to display the notes then do nothing. */
7063 if (! do_notes)
7064 return 1;
7065
7066 /* If file is not a core file then exit. */
7067 if (elf_header.e_type != ET_CORE)
7068 return 1;
7069
7070 /* No program headers means no NOTE segment. */
7071 if (elf_header.e_phnum == 0)
7072 {
7073 printf (_("No note segments present in the core file.\n"));
7074 return 1;
7075 }
7076
7077 return process_corefile_note_segments (file);
7078 }
7079
7080 static int
7081 process_arch_specific (file)
7082 FILE * file;
7083 {
7084 if (! do_arch)
7085 return 1;
7086
7087 switch (elf_header.e_machine)
7088 {
7089 case EM_MIPS:
7090 case EM_MIPS_RS4_BE:
7091 return process_mips_specific (file);
7092 break;
7093 default:
7094 break;
7095 }
7096 return 1;
7097 }
7098
7099 static int
7100 get_file_header (file)
7101 FILE * file;
7102 {
7103 /* Read in the identity array. */
7104 if (fread (elf_header.e_ident, EI_NIDENT, 1, file) != 1)
7105 return 0;
7106
7107 /* Determine how to read the rest of the header. */
7108 switch (elf_header.e_ident [EI_DATA])
7109 {
7110 default: /* fall through */
7111 case ELFDATANONE: /* fall through */
7112 case ELFDATA2LSB: byte_get = byte_get_little_endian; break;
7113 case ELFDATA2MSB: byte_get = byte_get_big_endian; break;
7114 }
7115
7116 /* For now we only support 32 bit and 64 bit ELF files. */
7117 is_32bit_elf = (elf_header.e_ident [EI_CLASS] != ELFCLASS64);
7118
7119 /* Read in the rest of the header. */
7120 if (is_32bit_elf)
7121 {
7122 Elf32_External_Ehdr ehdr32;
7123
7124 if (fread (ehdr32.e_type, sizeof (ehdr32) - EI_NIDENT, 1, file) != 1)
7125 return 0;
7126
7127 elf_header.e_type = BYTE_GET (ehdr32.e_type);
7128 elf_header.e_machine = BYTE_GET (ehdr32.e_machine);
7129 elf_header.e_version = BYTE_GET (ehdr32.e_version);
7130 elf_header.e_entry = BYTE_GET (ehdr32.e_entry);
7131 elf_header.e_phoff = BYTE_GET (ehdr32.e_phoff);
7132 elf_header.e_shoff = BYTE_GET (ehdr32.e_shoff);
7133 elf_header.e_flags = BYTE_GET (ehdr32.e_flags);
7134 elf_header.e_ehsize = BYTE_GET (ehdr32.e_ehsize);
7135 elf_header.e_phentsize = BYTE_GET (ehdr32.e_phentsize);
7136 elf_header.e_phnum = BYTE_GET (ehdr32.e_phnum);
7137 elf_header.e_shentsize = BYTE_GET (ehdr32.e_shentsize);
7138 elf_header.e_shnum = BYTE_GET (ehdr32.e_shnum);
7139 elf_header.e_shstrndx = BYTE_GET (ehdr32.e_shstrndx);
7140 }
7141 else
7142 {
7143 Elf64_External_Ehdr ehdr64;
7144
7145 /* If we have been compiled with sizeof (bfd_vma) == 4, then
7146 we will not be able to cope with the 64bit data found in
7147 64 ELF files. Detect this now and abort before we start
7148 overwritting things. */
7149 if (sizeof (bfd_vma) < 8)
7150 {
7151 error (_("This instance of readelf has been built without support for a\n"));
7152 error (_("64 bit data type and so it cannot read 64 bit ELF files.\n"));
7153 return 0;
7154 }
7155
7156 if (fread (ehdr64.e_type, sizeof (ehdr64) - EI_NIDENT, 1, file) != 1)
7157 return 0;
7158
7159 elf_header.e_type = BYTE_GET (ehdr64.e_type);
7160 elf_header.e_machine = BYTE_GET (ehdr64.e_machine);
7161 elf_header.e_version = BYTE_GET (ehdr64.e_version);
7162 elf_header.e_entry = BYTE_GET8 (ehdr64.e_entry);
7163 elf_header.e_phoff = BYTE_GET8 (ehdr64.e_phoff);
7164 elf_header.e_shoff = BYTE_GET8 (ehdr64.e_shoff);
7165 elf_header.e_flags = BYTE_GET (ehdr64.e_flags);
7166 elf_header.e_ehsize = BYTE_GET (ehdr64.e_ehsize);
7167 elf_header.e_phentsize = BYTE_GET (ehdr64.e_phentsize);
7168 elf_header.e_phnum = BYTE_GET (ehdr64.e_phnum);
7169 elf_header.e_shentsize = BYTE_GET (ehdr64.e_shentsize);
7170 elf_header.e_shnum = BYTE_GET (ehdr64.e_shnum);
7171 elf_header.e_shstrndx = BYTE_GET (ehdr64.e_shstrndx);
7172 }
7173
7174 return 1;
7175 }
7176
7177 static void
7178 process_file (file_name)
7179 char * file_name;
7180 {
7181 FILE * file;
7182 struct stat statbuf;
7183 unsigned int i;
7184
7185 if (stat (file_name, & statbuf) < 0)
7186 {
7187 error (_("Cannot stat input file %s.\n"), file_name);
7188 return;
7189 }
7190
7191 file = fopen (file_name, "rb");
7192 if (file == NULL)
7193 {
7194 error (_("Input file %s not found.\n"), file_name);
7195 return;
7196 }
7197
7198 if (! get_file_header (file))
7199 {
7200 error (_("%s: Failed to read file header\n"), file_name);
7201 fclose (file);
7202 return;
7203 }
7204
7205 /* Initialise per file variables. */
7206 for (i = NUM_ELEM (version_info); i--;)
7207 version_info[i] = 0;
7208
7209 for (i = NUM_ELEM (dynamic_info); i--;)
7210 dynamic_info[i] = 0;
7211
7212 /* Process the file. */
7213 if (show_name)
7214 printf (_("\nFile: %s\n"), file_name);
7215
7216 if (! process_file_header ())
7217 {
7218 fclose (file);
7219 return;
7220 }
7221
7222 process_section_headers (file);
7223
7224 process_program_headers (file);
7225
7226 process_dynamic_segment (file);
7227
7228 process_relocs (file);
7229
7230 process_symbol_table (file);
7231
7232 process_syminfo (file);
7233
7234 process_version_sections (file);
7235
7236 process_section_contents (file);
7237
7238 process_corefile_contents (file);
7239
7240 process_arch_specific (file);
7241
7242 fclose (file);
7243
7244 if (section_headers)
7245 {
7246 free (section_headers);
7247 section_headers = NULL;
7248 }
7249
7250 if (string_table)
7251 {
7252 free (string_table);
7253 string_table = NULL;
7254 }
7255
7256 if (dynamic_strings)
7257 {
7258 free (dynamic_strings);
7259 dynamic_strings = NULL;
7260 }
7261
7262 if (dynamic_symbols)
7263 {
7264 free (dynamic_symbols);
7265 dynamic_symbols = NULL;
7266 num_dynamic_syms = 0;
7267 }
7268
7269 if (dynamic_syminfo)
7270 {
7271 free (dynamic_syminfo);
7272 dynamic_syminfo = NULL;
7273 }
7274 }
7275
7276 #ifdef SUPPORT_DISASSEMBLY
7277 /* Needed by the i386 disassembler. For extra credit, someone could
7278 fix this so that we insert symbolic addresses here, esp for GOT/PLT
7279 symbols */
7280
7281 void
7282 print_address (unsigned int addr, FILE * outfile)
7283 {
7284 fprintf (outfile,"0x%8.8x", addr);
7285 }
7286
7287 /* Needed by the i386 disassembler. */
7288 void
7289 db_task_printsym (unsigned int addr)
7290 {
7291 print_address (addr, stderr);
7292 }
7293 #endif
7294
7295 int
7296 main (argc, argv)
7297 int argc;
7298 char ** argv;
7299 {
7300 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
7301 setlocale (LC_MESSAGES, "");
7302 #endif
7303 bindtextdomain (PACKAGE, LOCALEDIR);
7304 textdomain (PACKAGE);
7305
7306 parse_args (argc, argv);
7307
7308 if (optind < (argc - 1))
7309 show_name = 1;
7310
7311 while (optind < argc)
7312 process_file (argv [optind ++]);
7313
7314 if (dump_sects != NULL)
7315 free (dump_sects);
7316
7317 return 0;
7318 }