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* ld.texinfo (Builtin Functions) <DEFINED>: Say that only symbols
[binutils.git] / binutils / readelf.c
blob9a881069d5ef166c76ed92606586774f9d475f43
1 /* readelf.c -- display contents of an ELF format file
2 Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
3
4 Originally developed by Eric Youngdale <eric@andante.jic.com>
5 Modifications by Nick Clifton <nickc@redhat.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 believe 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/alpha.h"
53 #include "elf/arc.h"
54 #include "elf/arm.h"
55 #include "elf/avr.h"
56 #include "elf/cris.h"
57 #include "elf/d10v.h"
58 #include "elf/d30v.h"
59 #include "elf/dlx.h"
60 #include "elf/fr30.h"
61 #include "elf/frv.h"
62 #include "elf/h8.h"
63 #include "elf/hppa.h"
64 #include "elf/i386.h"
65 #include "elf/i370.h"
66 #include "elf/i860.h"
67 #include "elf/i960.h"
68 #include "elf/ia64.h"
69 #include "elf/ip2k.h"
70 #include "elf/m32r.h"
71 #include "elf/m68k.h"
72 #include "elf/m68hc11.h"
73 #include "elf/mcore.h"
74 #include "elf/mips.h"
75 #include "elf/mmix.h"
76 #include "elf/mn10200.h"
77 #include "elf/mn10300.h"
78 #include "elf/msp430.h"
79 #include "elf/or32.h"
80 #include "elf/pj.h"
81 #include "elf/ppc.h"
82 #include "elf/ppc64.h"
83 #include "elf/s390.h"
84 #include "elf/sh.h"
85 #include "elf/sparc.h"
86 #include "elf/v850.h"
87 #include "elf/vax.h"
88 #include "elf/x86-64.h"
89 #include "elf/xstormy16.h"
90 #include "elf/iq2000.h"
91 #include "elf/xtensa.h"
92
93 #include "aout/ar.h"
94
95 #include "bucomm.h"
96 #include "getopt.h"
97 #include "libiberty.h"
98
99 char *program_name = "readelf";
100 long archive_file_offset;
101 unsigned long archive_file_size;
102 unsigned long dynamic_addr;
103 bfd_size_type dynamic_size;
104 char *dynamic_strings;
105 char *string_table;
106 unsigned long string_table_length;
107 unsigned long num_dynamic_syms;
108 Elf_Internal_Sym *dynamic_symbols;
109 Elf_Internal_Syminfo *dynamic_syminfo;
110 unsigned long dynamic_syminfo_offset;
111 unsigned int dynamic_syminfo_nent;
112 char program_interpreter[64];
113 bfd_vma dynamic_info[DT_JMPREL + 1];
114 bfd_vma version_info[16];
115 Elf_Internal_Ehdr elf_header;
116 Elf_Internal_Shdr *section_headers;
117 Elf_Internal_Phdr *program_headers;
118 Elf_Internal_Dyn *dynamic_segment;
119 Elf_Internal_Shdr *symtab_shndx_hdr;
120 int show_name;
121 int do_dynamic;
122 int do_syms;
123 int do_reloc;
124 int do_sections;
125 int do_segments;
126 int do_unwind;
127 int do_using_dynamic;
128 int do_header;
129 int do_dump;
130 int do_version;
131 int do_wide;
132 int do_histogram;
133 int do_debugging;
134 int do_debug_info;
135 int do_debug_abbrevs;
136 int do_debug_lines;
137 int do_debug_pubnames;
138 int do_debug_aranges;
139 int do_debug_frames;
140 int do_debug_frames_interp;
141 int do_debug_macinfo;
142 int do_debug_str;
143 int do_debug_loc;
144 int do_arch;
145 int do_notes;
146 int is_32bit_elf;
147
148 /* A dynamic array of flags indicating which sections require dumping. */
149 char *dump_sects = NULL;
150 unsigned int num_dump_sects = 0;
151
152 #define HEX_DUMP (1 << 0)
153 #define DISASS_DUMP (1 << 1)
154 #define DEBUG_DUMP (1 << 2)
155
156 /* How to rpint a vma value. */
157 typedef enum print_mode
158 {
159 HEX,
160 DEC,
161 DEC_5,
162 UNSIGNED,
163 PREFIX_HEX,
164 FULL_HEX,
165 LONG_HEX
166 }
167 print_mode;
168
169 static bfd_vma (*byte_get) (unsigned char *, int);
170 static void (*byte_put) (unsigned char *, bfd_vma, int);
171
172 typedef int Elf32_Word;
173
174 #define UNKNOWN -1
175
176 #define SECTION_NAME(X) ((X) == NULL ? "<none>" : \
177 ((X)->sh_name >= string_table_length \
178 ? "<corrupt>" : string_table + (X)->sh_name))
179
180 /* Given st_shndx I, map to section_headers index. */
181 #define SECTION_HEADER_INDEX(I) \
182 ((I) < SHN_LORESERVE \
183 ? (I) \
184 : ((I) <= SHN_HIRESERVE \
185 ? 0 \
186 : (I) - (SHN_HIRESERVE + 1 - SHN_LORESERVE)))
187
188 /* Reverse of the above. */
189 #define SECTION_HEADER_NUM(N) \
190 ((N) < SHN_LORESERVE \
191 ? (N) \
192 : (N) + (SHN_HIRESERVE + 1 - SHN_LORESERVE))
193
194 #define SECTION_HEADER(I) (section_headers + SECTION_HEADER_INDEX (I))
195
196 #define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */
197
198 #define BYTE_GET(field) byte_get (field, sizeof (field))
199
200 /* If we can support a 64 bit data type then BFD64 should be defined
201 and sizeof (bfd_vma) == 8. In this case when translating from an
202 external 8 byte field to an internal field, we can assume that the
203 internal field is also 8 bytes wide and so we can extract all the data.
204 If, however, BFD64 is not defined, then we must assume that the
205 internal data structure only has 4 byte wide fields that are the
206 equivalent of the 8 byte wide external counterparts, and so we must
207 truncate the data. */
208 #ifdef BFD64
209 #define BYTE_GET8(field) byte_get (field, -8)
210 #else
211 #define BYTE_GET8(field) byte_get (field, 8)
212 #endif
213
214 #define NUM_ELEM(array) (sizeof (array) / sizeof ((array)[0]))
215
216 #define GET_ELF_SYMBOLS(file, section) \
217 (is_32bit_elf ? get_32bit_elf_symbols (file, section) \
218 : get_64bit_elf_symbols (file, section))
219
220
221 static void
222 error (const char *message, ...)
223 {
224 va_list args;
225
226 va_start (args, message);
227 fprintf (stderr, _("%s: Error: "), program_name);
228 vfprintf (stderr, message, args);
229 va_end (args);
230 }
231
232 static void
233 warn (const char *message, ...)
234 {
235 va_list args;
236
237 va_start (args, message);
238 fprintf (stderr, _("%s: Warning: "), program_name);
239 vfprintf (stderr, message, args);
240 va_end (args);
241 }
242
243 static void *
244 get_data (void *var, FILE *file, long offset, size_t size, const char *reason)
245 {
246 void *mvar;
247
248 if (size == 0)
249 return NULL;
250
251 if (fseek (file, archive_file_offset + offset, SEEK_SET))
252 {
253 error (_("Unable to seek to 0x%x for %s\n"),
254 archive_file_offset + offset, reason);
255 return NULL;
256 }
257
258 mvar = var;
259 if (mvar == NULL)
260 {
261 mvar = malloc (size);
262
263 if (mvar == NULL)
264 {
265 error (_("Out of memory allocating 0x%x bytes for %s\n"),
266 size, reason);
267 return NULL;
268 }
269 }
270
271 if (fread (mvar, size, 1, file) != 1)
272 {
273 error (_("Unable to read in 0x%x bytes of %s\n"), size, reason);
274 if (mvar != var)
275 free (mvar);
276 return NULL;
277 }
278
279 return mvar;
280 }
281
282 static bfd_vma
283 byte_get_little_endian (unsigned char *field, int size)
284 {
285 switch (size)
286 {
287 case 1:
288 return *field;
289
290 case 2:
291 return ((unsigned int) (field[0]))
292 | (((unsigned int) (field[1])) << 8);
293
294 #ifndef BFD64
295 case 8:
296 /* We want to extract data from an 8 byte wide field and
297 place it into a 4 byte wide field. Since this is a little
298 endian source we can just use the 4 byte extraction code. */
299 /* Fall through. */
300 #endif
301 case 4:
302 return ((unsigned long) (field[0]))
303 | (((unsigned long) (field[1])) << 8)
304 | (((unsigned long) (field[2])) << 16)
305 | (((unsigned long) (field[3])) << 24);
306
307 #ifdef BFD64
308 case 8:
309 case -8:
310 /* This is a special case, generated by the BYTE_GET8 macro.
311 It means that we are loading an 8 byte value from a field
312 in an external structure into an 8 byte value in a field
313 in an internal strcuture. */
314 return ((bfd_vma) (field[0]))
315 | (((bfd_vma) (field[1])) << 8)
316 | (((bfd_vma) (field[2])) << 16)
317 | (((bfd_vma) (field[3])) << 24)
318 | (((bfd_vma) (field[4])) << 32)
319 | (((bfd_vma) (field[5])) << 40)
320 | (((bfd_vma) (field[6])) << 48)
321 | (((bfd_vma) (field[7])) << 56);
322 #endif
323 default:
324 error (_("Unhandled data length: %d\n"), size);
325 abort ();
326 }
327 }
328
329 static bfd_vma
330 byte_get_signed (unsigned char *field, int size)
331 {
332 bfd_vma x = byte_get (field, size);
333
334 switch (size)
335 {
336 case 1:
337 return (x ^ 0x80) - 0x80;
338 case 2:
339 return (x ^ 0x8000) - 0x8000;
340 case 4:
341 return (x ^ 0x80000000) - 0x80000000;
342 case 8:
343 case -8:
344 return x;
345 default:
346 abort ();
347 }
348 }
349
350 static void
351 byte_put_little_endian (unsigned char *field, bfd_vma value, int size)
352 {
353 switch (size)
354 {
355 case 8:
356 field[7] = (((value >> 24) >> 24) >> 8) & 0xff;
357 field[6] = ((value >> 24) >> 24) & 0xff;
358 field[5] = ((value >> 24) >> 16) & 0xff;
359 field[4] = ((value >> 24) >> 8) & 0xff;
360 /* Fall through. */
361 case 4:
362 field[3] = (value >> 24) & 0xff;
363 field[2] = (value >> 16) & 0xff;
364 /* Fall through. */
365 case 2:
366 field[1] = (value >> 8) & 0xff;
367 /* Fall through. */
368 case 1:
369 field[0] = value & 0xff;
370 break;
371
372 default:
373 error (_("Unhandled data length: %d\n"), size);
374 abort ();
375 }
376 }
377
378 /* Print a VMA value. */
379 static void
380 print_vma (bfd_vma vma, print_mode mode)
381 {
382 #ifdef BFD64
383 if (is_32bit_elf)
384 #endif
385 {
386 switch (mode)
387 {
388 case FULL_HEX:
389 printf ("0x");
390 /* Drop through. */
391 case LONG_HEX:
392 printf ("%8.8lx", (unsigned long) vma);
393 break;
394
395 case DEC_5:
396 if (vma <= 99999)
397 {
398 printf ("%5ld", (long) vma);
399 break;
400 }
401 /* Drop through. */
402 case PREFIX_HEX:
403 printf ("0x");
404 /* Drop through. */
405 case HEX:
406 printf ("%lx", (unsigned long) vma);
407 break;
408
409 case DEC:
410 printf ("%ld", (unsigned long) vma);
411 break;
412
413 case UNSIGNED:
414 printf ("%lu", (unsigned long) vma);
415 break;
416 }
417 }
418 #ifdef BFD64
419 else
420 {
421 switch (mode)
422 {
423 case FULL_HEX:
424 printf ("0x");
425 /* Drop through. */
426
427 case LONG_HEX:
428 printf_vma (vma);
429 break;
430
431 case PREFIX_HEX:
432 printf ("0x");
433 /* Drop through. */
434
435 case HEX:
436 #if BFD_HOST_64BIT_LONG
437 printf ("%lx", vma);
438 #else
439 if (_bfd_int64_high (vma))
440 printf ("%lx%8.8lx", _bfd_int64_high (vma), _bfd_int64_low (vma));
441 else
442 printf ("%lx", _bfd_int64_low (vma));
443 #endif
444 break;
445
446 case DEC:
447 #if BFD_HOST_64BIT_LONG
448 printf ("%ld", vma);
449 #else
450 if (_bfd_int64_high (vma))
451 /* ugg */
452 printf ("++%ld", _bfd_int64_low (vma));
453 else
454 printf ("%ld", _bfd_int64_low (vma));
455 #endif
456 break;
457
458 case DEC_5:
459 #if BFD_HOST_64BIT_LONG
460 if (vma <= 99999)
461 printf ("%5ld", vma);
462 else
463 printf ("%#lx", vma);
464 #else
465 if (_bfd_int64_high (vma))
466 /* ugg */
467 printf ("++%ld", _bfd_int64_low (vma));
468 else if (vma <= 99999)
469 printf ("%5ld", _bfd_int64_low (vma));
470 else
471 printf ("%#lx", _bfd_int64_low (vma));
472 #endif
473 break;
474
475 case UNSIGNED:
476 #if BFD_HOST_64BIT_LONG
477 printf ("%lu", vma);
478 #else
479 if (_bfd_int64_high (vma))
480 /* ugg */
481 printf ("++%lu", _bfd_int64_low (vma));
482 else
483 printf ("%lu", _bfd_int64_low (vma));
484 #endif
485 break;
486 }
487 }
488 #endif
489 }
490
491 /* Display a symbol on stdout. If do_wide is not true then
492 format the symbol to be at most WIDTH characters,
493 truncating as necessary. If WIDTH is negative then
494 format the string to be exactly - WIDTH characters,
495 truncating or padding as necessary. */
496
497 static void
498 print_symbol (int width, const char *symbol)
499 {
500 if (do_wide)
501 printf ("%s", symbol);
502 else if (width < 0)
503 printf ("%-*.*s", width, width, symbol);
504 else
505 printf ("%-.*s", width, symbol);
506 }
507
508 static bfd_vma
509 byte_get_big_endian (unsigned char *field, int size)
510 {
511 switch (size)
512 {
513 case 1:
514 return *field;
515
516 case 2:
517 return ((unsigned int) (field[1])) | (((int) (field[0])) << 8);
518
519 case 4:
520 return ((unsigned long) (field[3]))
521 | (((unsigned long) (field[2])) << 8)
522 | (((unsigned long) (field[1])) << 16)
523 | (((unsigned long) (field[0])) << 24);
524
525 #ifndef BFD64
526 case 8:
527 /* Although we are extracing data from an 8 byte wide field, we
528 are returning only 4 bytes of data. */
529 return ((unsigned long) (field[7]))
530 | (((unsigned long) (field[6])) << 8)
531 | (((unsigned long) (field[5])) << 16)
532 | (((unsigned long) (field[4])) << 24);
533 #else
534 case 8:
535 case -8:
536 /* This is a special case, generated by the BYTE_GET8 macro.
537 It means that we are loading an 8 byte value from a field
538 in an external structure into an 8 byte value in a field
539 in an internal strcuture. */
540 return ((bfd_vma) (field[7]))
541 | (((bfd_vma) (field[6])) << 8)
542 | (((bfd_vma) (field[5])) << 16)
543 | (((bfd_vma) (field[4])) << 24)
544 | (((bfd_vma) (field[3])) << 32)
545 | (((bfd_vma) (field[2])) << 40)
546 | (((bfd_vma) (field[1])) << 48)
547 | (((bfd_vma) (field[0])) << 56);
548 #endif
549
550 default:
551 error (_("Unhandled data length: %d\n"), size);
552 abort ();
553 }
554 }
555
556 static void
557 byte_put_big_endian (unsigned char *field, bfd_vma value, int size)
558 {
559 switch (size)
560 {
561 case 8:
562 field[7] = value & 0xff;
563 field[6] = (value >> 8) & 0xff;
564 field[5] = (value >> 16) & 0xff;
565 field[4] = (value >> 24) & 0xff;
566 value >>= 16;
567 value >>= 16;
568 /* Fall through. */
569 case 4:
570 field[3] = value & 0xff;
571 field[2] = (value >> 8) & 0xff;
572 value >>= 16;
573 /* Fall through. */
574 case 2:
575 field[1] = value & 0xff;
576 value >>= 8;
577 /* Fall through. */
578 case 1:
579 field[0] = value & 0xff;
580 break;
581
582 default:
583 error (_("Unhandled data length: %d\n"), size);
584 abort ();
585 }
586 }
587
588 /* Guess the relocation size commonly used by the specific machines. */
589
590 static int
591 guess_is_rela (unsigned long e_machine)
592 {
593 switch (e_machine)
594 {
595 /* Targets that use REL relocations. */
596 case EM_ARM:
597 case EM_386:
598 case EM_486:
599 case EM_960:
600 case EM_DLX:
601 case EM_OPENRISC:
602 case EM_OR32:
603 case EM_M32R:
604 case EM_CYGNUS_M32R:
605 case EM_D10V:
606 case EM_CYGNUS_D10V:
607 case EM_MIPS:
608 case EM_MIPS_RS3_LE:
609 return FALSE;
610
611 /* Targets that use RELA relocations. */
612 case EM_68K:
613 case EM_H8_300:
614 case EM_H8_300H:
615 case EM_H8S:
616 case EM_SPARC32PLUS:
617 case EM_SPARCV9:
618 case EM_SPARC:
619 case EM_PPC:
620 case EM_PPC64:
621 case EM_V850:
622 case EM_CYGNUS_V850:
623 case EM_D30V:
624 case EM_CYGNUS_D30V:
625 case EM_MN10200:
626 case EM_CYGNUS_MN10200:
627 case EM_MN10300:
628 case EM_CYGNUS_MN10300:
629 case EM_FR30:
630 case EM_CYGNUS_FR30:
631 case EM_CYGNUS_FRV:
632 case EM_SH:
633 case EM_ALPHA:
634 case EM_MCORE:
635 case EM_IA_64:
636 case EM_AVR:
637 case EM_AVR_OLD:
638 case EM_CRIS:
639 case EM_860:
640 case EM_X86_64:
641 case EM_S390:
642 case EM_S390_OLD:
643 case EM_MMIX:
644 case EM_MSP430:
645 case EM_MSP430_OLD:
646 case EM_XSTORMY16:
647 case EM_VAX:
648 case EM_IP2K:
649 case EM_IP2K_OLD:
650 case EM_IQ2000:
651 case EM_XTENSA:
652 case EM_XTENSA_OLD:
653 return TRUE;
654
655 case EM_MMA:
656 case EM_PCP:
657 case EM_NCPU:
658 case EM_NDR1:
659 case EM_STARCORE:
660 case EM_ME16:
661 case EM_ST100:
662 case EM_TINYJ:
663 case EM_FX66:
664 case EM_ST9PLUS:
665 case EM_ST7:
666 case EM_68HC16:
667 case EM_68HC11:
668 case EM_68HC08:
669 case EM_68HC05:
670 case EM_SVX:
671 case EM_ST19:
672 default:
673 warn (_("Don't know about relocations on this machine architecture\n"));
674 return FALSE;
675 }
676 }
677
678 static int
679 slurp_rela_relocs (FILE *file,
680 unsigned long rel_offset,
681 unsigned long rel_size,
682 Elf_Internal_Rela **relasp,
683 unsigned long *nrelasp)
684 {
685 Elf_Internal_Rela *relas;
686 unsigned long nrelas;
687 unsigned int i;
688
689 if (is_32bit_elf)
690 {
691 Elf32_External_Rela *erelas;
692
693 erelas = get_data (NULL, file, rel_offset, rel_size, _("relocs"));
694 if (!erelas)
695 return 0;
696
697 nrelas = rel_size / sizeof (Elf32_External_Rela);
698
699 relas = malloc (nrelas * sizeof (Elf_Internal_Rela));
700
701 if (relas == NULL)
702 {
703 error(_("out of memory parsing relocs"));
704 return 0;
705 }
706
707 for (i = 0; i < nrelas; i++)
708 {
709 relas[i].r_offset = BYTE_GET (erelas[i].r_offset);
710 relas[i].r_info = BYTE_GET (erelas[i].r_info);
711 relas[i].r_addend = BYTE_GET (erelas[i].r_addend);
712 }
713
714 free (erelas);
715 }
716 else
717 {
718 Elf64_External_Rela *erelas;
719
720 erelas = get_data (NULL, file, rel_offset, rel_size, _("relocs"));
721 if (!erelas)
722 return 0;
723
724 nrelas = rel_size / sizeof (Elf64_External_Rela);
725
726 relas = malloc (nrelas * sizeof (Elf_Internal_Rela));
727
728 if (relas == NULL)
729 {
730 error(_("out of memory parsing relocs"));
731 return 0;
732 }
733
734 for (i = 0; i < nrelas; i++)
735 {
736 relas[i].r_offset = BYTE_GET8 (erelas[i].r_offset);
737 relas[i].r_info = BYTE_GET8 (erelas[i].r_info);
738 relas[i].r_addend = BYTE_GET8 (erelas[i].r_addend);
739 }
740
741 free (erelas);
742 }
743 *relasp = relas;
744 *nrelasp = nrelas;
745 return 1;
746 }
747
748 static int
749 slurp_rel_relocs (FILE *file,
750 unsigned long rel_offset,
751 unsigned long rel_size,
752 Elf_Internal_Rela **relsp,
753 unsigned long *nrelsp)
754 {
755 Elf_Internal_Rela *rels;
756 unsigned long nrels;
757 unsigned int i;
758
759 if (is_32bit_elf)
760 {
761 Elf32_External_Rel *erels;
762
763 erels = get_data (NULL, file, rel_offset, rel_size, _("relocs"));
764 if (!erels)
765 return 0;
766
767 nrels = rel_size / sizeof (Elf32_External_Rel);
768
769 rels = malloc (nrels * sizeof (Elf_Internal_Rela));
770
771 if (rels == NULL)
772 {
773 error(_("out of memory parsing relocs"));
774 return 0;
775 }
776
777 for (i = 0; i < nrels; i++)
778 {
779 rels[i].r_offset = BYTE_GET (erels[i].r_offset);
780 rels[i].r_info = BYTE_GET (erels[i].r_info);
781 rels[i].r_addend = 0;
782 }
783
784 free (erels);
785 }
786 else
787 {
788 Elf64_External_Rel *erels;
789
790 erels = get_data (NULL, file, rel_offset, rel_size, _("relocs"));
791 if (!erels)
792 return 0;
793
794 nrels = rel_size / sizeof (Elf64_External_Rel);
795
796 rels = malloc (nrels * sizeof (Elf_Internal_Rela));
797
798 if (rels == NULL)
799 {
800 error(_("out of memory parsing relocs"));
801 return 0;
802 }
803
804 for (i = 0; i < nrels; i++)
805 {
806 rels[i].r_offset = BYTE_GET8 (erels[i].r_offset);
807 rels[i].r_info = BYTE_GET8 (erels[i].r_info);
808 rels[i].r_addend = 0;
809 }
810
811 free (erels);
812 }
813 *relsp = rels;
814 *nrelsp = nrels;
815 return 1;
816 }
817
818 /* Display the contents of the relocation data found at the specified
819 offset. */
820
821 static int
822 dump_relocations (FILE *file,
823 unsigned long rel_offset,
824 unsigned long rel_size,
825 Elf_Internal_Sym *symtab,
826 unsigned long nsyms,
827 char *strtab,
828 int is_rela)
829 {
830 unsigned int i;
831 Elf_Internal_Rela *rels;
832
833
834 if (is_rela == UNKNOWN)
835 is_rela = guess_is_rela (elf_header.e_machine);
836
837 if (is_rela)
838 {
839 if (!slurp_rela_relocs (file, rel_offset, rel_size, &rels, &rel_size))
840 return 0;
841 }
842 else
843 {
844 if (!slurp_rel_relocs (file, rel_offset, rel_size, &rels, &rel_size))
845 return 0;
846 }
847
848 if (is_32bit_elf)
849 {
850 if (is_rela)
851 {
852 if (do_wide)
853 printf (_(" Offset Info Type Sym. Value Symbol's Name + Addend\n"));
854 else
855 printf (_(" Offset Info Type Sym.Value Sym. Name + Addend\n"));
856 }
857 else
858 {
859 if (do_wide)
860 printf (_(" Offset Info Type Sym. Value Symbol's Name\n"));
861 else
862 printf (_(" Offset Info Type Sym.Value Sym. Name\n"));
863 }
864 }
865 else
866 {
867 if (is_rela)
868 {
869 if (do_wide)
870 printf (_(" Offset Info Type Symbol's Value Symbol's Name + Addend\n"));
871 else
872 printf (_(" Offset Info Type Sym. Value Sym. Name + Addend\n"));
873 }
874 else
875 {
876 if (do_wide)
877 printf (_(" Offset Info Type Symbol's Value Symbol's Name\n"));
878 else
879 printf (_(" Offset Info Type Sym. Value Sym. Name\n"));
880 }
881 }
882
883 for (i = 0; i < rel_size; i++)
884 {
885 const char *rtype;
886 const char *rtype2 = NULL;
887 const char *rtype3 = NULL;
888 bfd_vma offset;
889 bfd_vma info;
890 bfd_vma symtab_index;
891 bfd_vma type;
892 bfd_vma type2 = 0;
893 bfd_vma type3 = 0;
894
895 offset = rels[i].r_offset;
896 info = rels[i].r_info;
897
898 if (is_32bit_elf)
899 {
900 type = ELF32_R_TYPE (info);
901 symtab_index = ELF32_R_SYM (info);
902 }
903 else
904 {
905 /* The #ifdef BFD64 below is to prevent a compile time warning.
906 We know that if we do not have a 64 bit data type that we
907 will never execute this code anyway. */
908 #ifdef BFD64
909 if (elf_header.e_machine == EM_MIPS)
910 {
911 /* In little-endian objects, r_info isn't really a 64-bit
912 little-endian value: it has a 32-bit little-endian
913 symbol index followed by four individual byte fields.
914 Reorder INFO accordingly. */
915 if (elf_header.e_ident[EI_DATA] != ELFDATA2MSB)
916 info = (((info & 0xffffffff) << 32)
917 | ((info >> 56) & 0xff)
918 | ((info >> 40) & 0xff00)
919 | ((info >> 24) & 0xff0000)
920 | ((info >> 8) & 0xff000000));
921 type = ELF64_MIPS_R_TYPE (info);
922 type2 = ELF64_MIPS_R_TYPE2 (info);
923 type3 = ELF64_MIPS_R_TYPE3 (info);
924 }
925 else if (elf_header.e_machine == EM_SPARCV9)
926 type = ELF64_R_TYPE_ID (info);
927 else
928 type = ELF64_R_TYPE (info);
929
930 symtab_index = ELF64_R_SYM (info);
931 #endif
932 }
933
934 if (is_32bit_elf)
935 {
936 #ifdef _bfd_int64_low
937 printf ("%8.8lx %8.8lx ", _bfd_int64_low (offset), _bfd_int64_low (info));
938 #else
939 printf ("%8.8lx %8.8lx ", offset, info);
940 #endif
941 }
942 else
943 {
944 #ifdef _bfd_int64_low
945 printf (do_wide
946 ? "%8.8lx%8.8lx %8.8lx%8.8lx "
947 : "%4.4lx%8.8lx %4.4lx%8.8lx ",
948 _bfd_int64_high (offset),
949 _bfd_int64_low (offset),
950 _bfd_int64_high (info),
951 _bfd_int64_low (info));
952 #else
953 printf (do_wide
954 ? "%16.16lx %16.16lx "
955 : "%12.12lx %12.12lx ",
956 offset, info);
957 #endif
958 }
959
960 switch (elf_header.e_machine)
961 {
962 default:
963 rtype = NULL;
964 break;
965
966 case EM_M32R:
967 case EM_CYGNUS_M32R:
968 rtype = elf_m32r_reloc_type (type);
969 break;
970
971 case EM_386:
972 case EM_486:
973 rtype = elf_i386_reloc_type (type);
974 break;
975
976 case EM_68HC11:
977 case EM_68HC12:
978 rtype = elf_m68hc11_reloc_type (type);
979 break;
980
981 case EM_68K:
982 rtype = elf_m68k_reloc_type (type);
983 break;
984
985 case EM_960:
986 rtype = elf_i960_reloc_type (type);
987 break;
988
989 case EM_AVR:
990 case EM_AVR_OLD:
991 rtype = elf_avr_reloc_type (type);
992 break;
993
994 case EM_OLD_SPARCV9:
995 case EM_SPARC32PLUS:
996 case EM_SPARCV9:
997 case EM_SPARC:
998 rtype = elf_sparc_reloc_type (type);
999 break;
1000
1001 case EM_V850:
1002 case EM_CYGNUS_V850:
1003 rtype = v850_reloc_type (type);
1004 break;
1005
1006 case EM_D10V:
1007 case EM_CYGNUS_D10V:
1008 rtype = elf_d10v_reloc_type (type);
1009 break;
1010
1011 case EM_D30V:
1012 case EM_CYGNUS_D30V:
1013 rtype = elf_d30v_reloc_type (type);
1014 break;
1015
1016 case EM_DLX:
1017 rtype = elf_dlx_reloc_type (type);
1018 break;
1019
1020 case EM_SH:
1021 rtype = elf_sh_reloc_type (type);
1022 break;
1023
1024 case EM_MN10300:
1025 case EM_CYGNUS_MN10300:
1026 rtype = elf_mn10300_reloc_type (type);
1027 break;
1028
1029 case EM_MN10200:
1030 case EM_CYGNUS_MN10200:
1031 rtype = elf_mn10200_reloc_type (type);
1032 break;
1033
1034 case EM_FR30:
1035 case EM_CYGNUS_FR30:
1036 rtype = elf_fr30_reloc_type (type);
1037 break;
1038
1039 case EM_CYGNUS_FRV:
1040 rtype = elf_frv_reloc_type (type);
1041 break;
1042
1043 case EM_MCORE:
1044 rtype = elf_mcore_reloc_type (type);
1045 break;
1046
1047 case EM_MMIX:
1048 rtype = elf_mmix_reloc_type (type);
1049 break;
1050
1051 case EM_MSP430:
1052 case EM_MSP430_OLD:
1053 rtype = elf_msp430_reloc_type (type);
1054 break;
1055
1056 case EM_PPC:
1057 rtype = elf_ppc_reloc_type (type);
1058 break;
1059
1060 case EM_PPC64:
1061 rtype = elf_ppc64_reloc_type (type);
1062 break;
1063
1064 case EM_MIPS:
1065 case EM_MIPS_RS3_LE:
1066 rtype = elf_mips_reloc_type (type);
1067 if (!is_32bit_elf)
1068 {
1069 rtype2 = elf_mips_reloc_type (type2);
1070 rtype3 = elf_mips_reloc_type (type3);
1071 }
1072 break;
1073
1074 case EM_ALPHA:
1075 rtype = elf_alpha_reloc_type (type);
1076 break;
1077
1078 case EM_ARM:
1079 rtype = elf_arm_reloc_type (type);
1080 break;
1081
1082 case EM_ARC:
1083 rtype = elf_arc_reloc_type (type);
1084 break;
1085
1086 case EM_PARISC:
1087 rtype = elf_hppa_reloc_type (type);
1088 break;
1089
1090 case EM_H8_300:
1091 case EM_H8_300H:
1092 case EM_H8S:
1093 rtype = elf_h8_reloc_type (type);
1094 break;
1095
1096 case EM_OPENRISC:
1097 case EM_OR32:
1098 rtype = elf_or32_reloc_type (type);
1099 break;
1100
1101 case EM_PJ:
1102 case EM_PJ_OLD:
1103 rtype = elf_pj_reloc_type (type);
1104 break;
1105 case EM_IA_64:
1106 rtype = elf_ia64_reloc_type (type);
1107 break;
1108
1109 case EM_CRIS:
1110 rtype = elf_cris_reloc_type (type);
1111 break;
1112
1113 case EM_860:
1114 rtype = elf_i860_reloc_type (type);
1115 break;
1116
1117 case EM_X86_64:
1118 rtype = elf_x86_64_reloc_type (type);
1119 break;
1120
1121 case EM_S370:
1122 rtype = i370_reloc_type (type);
1123 break;
1124
1125 case EM_S390_OLD:
1126 case EM_S390:
1127 rtype = elf_s390_reloc_type (type);
1128 break;
1129
1130 case EM_XSTORMY16:
1131 rtype = elf_xstormy16_reloc_type (type);
1132 break;
1133
1134 case EM_VAX:
1135 rtype = elf_vax_reloc_type (type);
1136 break;
1137
1138 case EM_IP2K:
1139 case EM_IP2K_OLD:
1140 rtype = elf_ip2k_reloc_type (type);
1141 break;
1142
1143 case EM_IQ2000:
1144 rtype = elf_iq2000_reloc_type (type);
1145 break;
1146
1147 case EM_XTENSA_OLD:
1148 case EM_XTENSA:
1149 rtype = elf_xtensa_reloc_type (type);
1150 break;
1151 }
1152
1153 if (rtype == NULL)
1154 #ifdef _bfd_int64_low
1155 printf (_("unrecognized: %-7lx"), _bfd_int64_low (type));
1156 #else
1157 printf (_("unrecognized: %-7lx"), type);
1158 #endif
1159 else
1160 printf (do_wide ? "%-22.22s" : "%-17.17s", rtype);
1161
1162 if (symtab_index)
1163 {
1164 if (symtab == NULL || symtab_index >= nsyms)
1165 printf (" bad symbol index: %08lx", (unsigned long) symtab_index);
1166 else
1167 {
1168 Elf_Internal_Sym *psym;
1169
1170 psym = symtab + symtab_index;
1171
1172 printf (" ");
1173 print_vma (psym->st_value, LONG_HEX);
1174 printf (is_32bit_elf ? " " : " ");
1175
1176 if (psym->st_name == 0)
1177 {
1178 const char *sec_name = "<null>";
1179 char name_buf[40];
1180
1181 if (ELF_ST_TYPE (psym->st_info) == STT_SECTION)
1182 {
1183 bfd_vma sec_index = (bfd_vma) -1;
1184
1185 if (psym->st_shndx < SHN_LORESERVE)
1186 sec_index = psym->st_shndx;
1187 else if (psym->st_shndx > SHN_LORESERVE)
1188 sec_index = psym->st_shndx - (SHN_HIRESERVE + 1
1189 - SHN_LORESERVE);
1190
1191 if (sec_index != (bfd_vma) -1)
1192 sec_name = SECTION_NAME (section_headers + sec_index);
1193 else if (psym->st_shndx == SHN_ABS)
1194 sec_name = "ABS";
1195 else if (psym->st_shndx == SHN_COMMON)
1196 sec_name = "COMMON";
1197 else if (elf_header.e_machine == EM_IA_64
1198 && elf_header.e_ident[EI_OSABI] == ELFOSABI_HPUX
1199 && psym->st_shndx == SHN_IA_64_ANSI_COMMON)
1200 sec_name = "ANSI_COM";
1201 else
1202 {
1203 sprintf (name_buf, "<section 0x%x>",
1204 (unsigned int) psym->st_shndx);
1205 sec_name = name_buf;
1206 }
1207 }
1208 print_symbol (22, sec_name);
1209 }
1210 else if (strtab == NULL)
1211 printf (_("<string table index %3ld>"), psym->st_name);
1212 else
1213 print_symbol (22, strtab + psym->st_name);
1214
1215 if (is_rela)
1216 printf (" + %lx", (unsigned long) rels[i].r_addend);
1217 }
1218 }
1219 else if (is_rela)
1220 {
1221 printf ("%*c", is_32bit_elf ? (do_wide ? 34 : 28) : (do_wide ? 26 : 20), ' ');
1222 print_vma (rels[i].r_addend, LONG_HEX);
1223 }
1224
1225 if (elf_header.e_machine == EM_SPARCV9
1226 && !strcmp (rtype, "R_SPARC_OLO10"))
1227 printf (" + %lx", (unsigned long) ELF64_R_TYPE_DATA (info));
1228
1229 putchar ('\n');
1230
1231 if (! is_32bit_elf && elf_header.e_machine == EM_MIPS)
1232 {
1233 printf (" Type2: ");
1234
1235 if (rtype2 == NULL)
1236 #ifdef _bfd_int64_low
1237 printf (_("unrecognized: %-7lx"), _bfd_int64_low (type2));
1238 #else
1239 printf (_("unrecognized: %-7lx"), type2);
1240 #endif
1241 else
1242 printf ("%-17.17s", rtype2);
1243
1244 printf("\n Type3: ");
1245
1246 if (rtype3 == NULL)
1247 #ifdef _bfd_int64_low
1248 printf (_("unrecognized: %-7lx"), _bfd_int64_low (type3));
1249 #else
1250 printf (_("unrecognized: %-7lx"), type3);
1251 #endif
1252 else
1253 printf ("%-17.17s", rtype3);
1254
1255 putchar ('\n');
1256 }
1257 }
1258
1259 free (rels);
1260
1261 return 1;
1262 }
1263
1264 static const char *
1265 get_mips_dynamic_type (unsigned long type)
1266 {
1267 switch (type)
1268 {
1269 case DT_MIPS_RLD_VERSION: return "MIPS_RLD_VERSION";
1270 case DT_MIPS_TIME_STAMP: return "MIPS_TIME_STAMP";
1271 case DT_MIPS_ICHECKSUM: return "MIPS_ICHECKSUM";
1272 case DT_MIPS_IVERSION: return "MIPS_IVERSION";
1273 case DT_MIPS_FLAGS: return "MIPS_FLAGS";
1274 case DT_MIPS_BASE_ADDRESS: return "MIPS_BASE_ADDRESS";
1275 case DT_MIPS_MSYM: return "MIPS_MSYM";
1276 case DT_MIPS_CONFLICT: return "MIPS_CONFLICT";
1277 case DT_MIPS_LIBLIST: return "MIPS_LIBLIST";
1278 case DT_MIPS_LOCAL_GOTNO: return "MIPS_LOCAL_GOTNO";
1279 case DT_MIPS_CONFLICTNO: return "MIPS_CONFLICTNO";
1280 case DT_MIPS_LIBLISTNO: return "MIPS_LIBLISTNO";
1281 case DT_MIPS_SYMTABNO: return "MIPS_SYMTABNO";
1282 case DT_MIPS_UNREFEXTNO: return "MIPS_UNREFEXTNO";
1283 case DT_MIPS_GOTSYM: return "MIPS_GOTSYM";
1284 case DT_MIPS_HIPAGENO: return "MIPS_HIPAGENO";
1285 case DT_MIPS_RLD_MAP: return "MIPS_RLD_MAP";
1286 case DT_MIPS_DELTA_CLASS: return "MIPS_DELTA_CLASS";
1287 case DT_MIPS_DELTA_CLASS_NO: return "MIPS_DELTA_CLASS_NO";
1288 case DT_MIPS_DELTA_INSTANCE: return "MIPS_DELTA_INSTANCE";
1289 case DT_MIPS_DELTA_INSTANCE_NO: return "MIPS_DELTA_INSTANCE_NO";
1290 case DT_MIPS_DELTA_RELOC: return "MIPS_DELTA_RELOC";
1291 case DT_MIPS_DELTA_RELOC_NO: return "MIPS_DELTA_RELOC_NO";
1292 case DT_MIPS_DELTA_SYM: return "MIPS_DELTA_SYM";
1293 case DT_MIPS_DELTA_SYM_NO: return "MIPS_DELTA_SYM_NO";
1294 case DT_MIPS_DELTA_CLASSSYM: return "MIPS_DELTA_CLASSSYM";
1295 case DT_MIPS_DELTA_CLASSSYM_NO: return "MIPS_DELTA_CLASSSYM_NO";
1296 case DT_MIPS_CXX_FLAGS: return "MIPS_CXX_FLAGS";
1297 case DT_MIPS_PIXIE_INIT: return "MIPS_PIXIE_INIT";
1298 case DT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB";
1299 case DT_MIPS_LOCALPAGE_GOTIDX: return "MIPS_LOCALPAGE_GOTIDX";
1300 case DT_MIPS_LOCAL_GOTIDX: return "MIPS_LOCAL_GOTIDX";
1301 case DT_MIPS_HIDDEN_GOTIDX: return "MIPS_HIDDEN_GOTIDX";
1302 case DT_MIPS_PROTECTED_GOTIDX: return "MIPS_PROTECTED_GOTIDX";
1303 case DT_MIPS_OPTIONS: return "MIPS_OPTIONS";
1304 case DT_MIPS_INTERFACE: return "MIPS_INTERFACE";
1305 case DT_MIPS_DYNSTR_ALIGN: return "MIPS_DYNSTR_ALIGN";
1306 case DT_MIPS_INTERFACE_SIZE: return "MIPS_INTERFACE_SIZE";
1307 case DT_MIPS_RLD_TEXT_RESOLVE_ADDR: return "MIPS_RLD_TEXT_RESOLVE_ADDR";
1308 case DT_MIPS_PERF_SUFFIX: return "MIPS_PERF_SUFFIX";
1309 case DT_MIPS_COMPACT_SIZE: return "MIPS_COMPACT_SIZE";
1310 case DT_MIPS_GP_VALUE: return "MIPS_GP_VALUE";
1311 case DT_MIPS_AUX_DYNAMIC: return "MIPS_AUX_DYNAMIC";
1312 default:
1313 return NULL;
1314 }
1315 }
1316
1317 static const char *
1318 get_sparc64_dynamic_type (unsigned long type)
1319 {
1320 switch (type)
1321 {
1322 case DT_SPARC_REGISTER: return "SPARC_REGISTER";
1323 default:
1324 return NULL;
1325 }
1326 }
1327
1328 static const char *
1329 get_ppc64_dynamic_type (unsigned long type)
1330 {
1331 switch (type)
1332 {
1333 case DT_PPC64_GLINK: return "PPC64_GLINK";
1334 case DT_PPC64_OPD: return "PPC64_OPD";
1335 case DT_PPC64_OPDSZ: return "PPC64_OPDSZ";
1336 default:
1337 return NULL;
1338 }
1339 }
1340
1341 static const char *
1342 get_parisc_dynamic_type (unsigned long type)
1343 {
1344 switch (type)
1345 {
1346 case DT_HP_LOAD_MAP: return "HP_LOAD_MAP";
1347 case DT_HP_DLD_FLAGS: return "HP_DLD_FLAGS";
1348 case DT_HP_DLD_HOOK: return "HP_DLD_HOOK";
1349 case DT_HP_UX10_INIT: return "HP_UX10_INIT";
1350 case DT_HP_UX10_INITSZ: return "HP_UX10_INITSZ";
1351 case DT_HP_PREINIT: return "HP_PREINIT";
1352 case DT_HP_PREINITSZ: return "HP_PREINITSZ";
1353 case DT_HP_NEEDED: return "HP_NEEDED";
1354 case DT_HP_TIME_STAMP: return "HP_TIME_STAMP";
1355 case DT_HP_CHECKSUM: return "HP_CHECKSUM";
1356 case DT_HP_GST_SIZE: return "HP_GST_SIZE";
1357 case DT_HP_GST_VERSION: return "HP_GST_VERSION";
1358 case DT_HP_GST_HASHVAL: return "HP_GST_HASHVAL";
1359 default:
1360 return NULL;
1361 }
1362 }
1363
1364 static const char *
1365 get_ia64_dynamic_type (unsigned long type)
1366 {
1367 switch (type)
1368 {
1369 case DT_IA_64_PLT_RESERVE: return "IA_64_PLT_RESERVE";
1370 default:
1371 return NULL;
1372 }
1373 }
1374
1375 static const char *
1376 get_dynamic_type (unsigned long type)
1377 {
1378 static char buff[32];
1379
1380 switch (type)
1381 {
1382 case DT_NULL: return "NULL";
1383 case DT_NEEDED: return "NEEDED";
1384 case DT_PLTRELSZ: return "PLTRELSZ";
1385 case DT_PLTGOT: return "PLTGOT";
1386 case DT_HASH: return "HASH";
1387 case DT_STRTAB: return "STRTAB";
1388 case DT_SYMTAB: return "SYMTAB";
1389 case DT_RELA: return "RELA";
1390 case DT_RELASZ: return "RELASZ";
1391 case DT_RELAENT: return "RELAENT";
1392 case DT_STRSZ: return "STRSZ";
1393 case DT_SYMENT: return "SYMENT";
1394 case DT_INIT: return "INIT";
1395 case DT_FINI: return "FINI";
1396 case DT_SONAME: return "SONAME";
1397 case DT_RPATH: return "RPATH";
1398 case DT_SYMBOLIC: return "SYMBOLIC";
1399 case DT_REL: return "REL";
1400 case DT_RELSZ: return "RELSZ";
1401 case DT_RELENT: return "RELENT";
1402 case DT_PLTREL: return "PLTREL";
1403 case DT_DEBUG: return "DEBUG";
1404 case DT_TEXTREL: return "TEXTREL";
1405 case DT_JMPREL: return "JMPREL";
1406 case DT_BIND_NOW: return "BIND_NOW";
1407 case DT_INIT_ARRAY: return "INIT_ARRAY";
1408 case DT_FINI_ARRAY: return "FINI_ARRAY";
1409 case DT_INIT_ARRAYSZ: return "INIT_ARRAYSZ";
1410 case DT_FINI_ARRAYSZ: return "FINI_ARRAYSZ";
1411 case DT_RUNPATH: return "RUNPATH";
1412 case DT_FLAGS: return "FLAGS";
1413
1414 case DT_PREINIT_ARRAY: return "PREINIT_ARRAY";
1415 case DT_PREINIT_ARRAYSZ: return "PREINIT_ARRAYSZ";
1416
1417 case DT_CHECKSUM: return "CHECKSUM";
1418 case DT_PLTPADSZ: return "PLTPADSZ";
1419 case DT_MOVEENT: return "MOVEENT";
1420 case DT_MOVESZ: return "MOVESZ";
1421 case DT_FEATURE: return "FEATURE";
1422 case DT_POSFLAG_1: return "POSFLAG_1";
1423 case DT_SYMINSZ: return "SYMINSZ";
1424 case DT_SYMINENT: return "SYMINENT"; /* aka VALRNGHI */
1425
1426 case DT_ADDRRNGLO: return "ADDRRNGLO";
1427 case DT_CONFIG: return "CONFIG";
1428 case DT_DEPAUDIT: return "DEPAUDIT";
1429 case DT_AUDIT: return "AUDIT";
1430 case DT_PLTPAD: return "PLTPAD";
1431 case DT_MOVETAB: return "MOVETAB";
1432 case DT_SYMINFO: return "SYMINFO"; /* aka ADDRRNGHI */
1433
1434 case DT_VERSYM: return "VERSYM";
1435
1436 case DT_RELACOUNT: return "RELACOUNT";
1437 case DT_RELCOUNT: return "RELCOUNT";
1438 case DT_FLAGS_1: return "FLAGS_1";
1439 case DT_VERDEF: return "VERDEF";
1440 case DT_VERDEFNUM: return "VERDEFNUM";
1441 case DT_VERNEED: return "VERNEED";
1442 case DT_VERNEEDNUM: return "VERNEEDNUM";
1443
1444 case DT_AUXILIARY: return "AUXILIARY";
1445 case DT_USED: return "USED";
1446 case DT_FILTER: return "FILTER";
1447
1448 case DT_GNU_PRELINKED: return "GNU_PRELINKED";
1449 case DT_GNU_CONFLICT: return "GNU_CONFLICT";
1450 case DT_GNU_CONFLICTSZ: return "GNU_CONFLICTSZ";
1451 case DT_GNU_LIBLIST: return "GNU_LIBLIST";
1452 case DT_GNU_LIBLISTSZ: return "GNU_LIBLISTSZ";
1453
1454 default:
1455 if ((type >= DT_LOPROC) && (type <= DT_HIPROC))
1456 {
1457 const char *result;
1458
1459 switch (elf_header.e_machine)
1460 {
1461 case EM_MIPS:
1462 case EM_MIPS_RS3_LE:
1463 result = get_mips_dynamic_type (type);
1464 break;
1465 case EM_SPARCV9:
1466 result = get_sparc64_dynamic_type (type);
1467 break;
1468 case EM_PPC64:
1469 result = get_ppc64_dynamic_type (type);
1470 break;
1471 case EM_IA_64:
1472 result = get_ia64_dynamic_type (type);
1473 break;
1474 default:
1475 result = NULL;
1476 break;
1477 }
1478
1479 if (result != NULL)
1480 return result;
1481
1482 sprintf (buff, _("Processor Specific: %lx"), type);
1483 }
1484 else if ((type >= DT_LOOS) && (type <= DT_HIOS))
1485 {
1486 const char *result;
1487
1488 switch (elf_header.e_machine)
1489 {
1490 case EM_PARISC:
1491 result = get_parisc_dynamic_type (type);
1492 break;
1493 default:
1494 result = NULL;
1495 break;
1496 }
1497
1498 if (result != NULL)
1499 return result;
1500
1501 sprintf (buff, _("Operating System specific: %lx"), type);
1502 }
1503 else
1504 sprintf (buff, _("<unknown>: %lx"), type);
1505
1506 return buff;
1507 }
1508 }
1509
1510 static char *
1511 get_file_type (unsigned e_type)
1512 {
1513 static char buff[32];
1514
1515 switch (e_type)
1516 {
1517 case ET_NONE: return _("NONE (None)");
1518 case ET_REL: return _("REL (Relocatable file)");
1519 case ET_EXEC: return _("EXEC (Executable file)");
1520 case ET_DYN: return _("DYN (Shared object file)");
1521 case ET_CORE: return _("CORE (Core file)");
1522
1523 default:
1524 if ((e_type >= ET_LOPROC) && (e_type <= ET_HIPROC))
1525 sprintf (buff, _("Processor Specific: (%x)"), e_type);
1526 else if ((e_type >= ET_LOOS) && (e_type <= ET_HIOS))
1527 sprintf (buff, _("OS Specific: (%x)"), e_type);
1528 else
1529 sprintf (buff, _("<unknown>: %x"), e_type);
1530 return buff;
1531 }
1532 }
1533
1534 static char *
1535 get_machine_name (unsigned e_machine)
1536 {
1537 static char buff[64]; /* XXX */
1538
1539 switch (e_machine)
1540 {
1541 case EM_NONE: return _("None");
1542 case EM_M32: return "WE32100";
1543 case EM_SPARC: return "Sparc";
1544 case EM_386: return "Intel 80386";
1545 case EM_68K: return "MC68000";
1546 case EM_88K: return "MC88000";
1547 case EM_486: return "Intel 80486";
1548 case EM_860: return "Intel 80860";
1549 case EM_MIPS: return "MIPS R3000";
1550 case EM_S370: return "IBM System/370";
1551 case EM_MIPS_RS3_LE: return "MIPS R4000 big-endian";
1552 case EM_OLD_SPARCV9: return "Sparc v9 (old)";
1553 case EM_PARISC: return "HPPA";
1554 case EM_PPC_OLD: return "Power PC (old)";
1555 case EM_SPARC32PLUS: return "Sparc v8+" ;
1556 case EM_960: return "Intel 90860";
1557 case EM_PPC: return "PowerPC";
1558 case EM_PPC64: return "PowerPC64";
1559 case EM_V800: return "NEC V800";
1560 case EM_FR20: return "Fujitsu FR20";
1561 case EM_RH32: return "TRW RH32";
1562 case EM_MCORE: return "MCORE";
1563 case EM_ARM: return "ARM";
1564 case EM_OLD_ALPHA: return "Digital Alpha (old)";
1565 case EM_SH: return "Renesas / SuperH SH";
1566 case EM_SPARCV9: return "Sparc v9";
1567 case EM_TRICORE: return "Siemens Tricore";
1568 case EM_ARC: return "ARC";
1569 case EM_H8_300: return "Renesas H8/300";
1570 case EM_H8_300H: return "Renesas H8/300H";
1571 case EM_H8S: return "Renesas H8S";
1572 case EM_H8_500: return "Renesas H8/500";
1573 case EM_IA_64: return "Intel IA-64";
1574 case EM_MIPS_X: return "Stanford MIPS-X";
1575 case EM_COLDFIRE: return "Motorola Coldfire";
1576 case EM_68HC12: return "Motorola M68HC12";
1577 case EM_ALPHA: return "Alpha";
1578 case EM_CYGNUS_D10V:
1579 case EM_D10V: return "d10v";
1580 case EM_CYGNUS_D30V:
1581 case EM_D30V: return "d30v";
1582 case EM_CYGNUS_M32R:
1583 case EM_M32R: return "Renesas M32R (formerly Mitsubishi M32r)";
1584 case EM_CYGNUS_V850:
1585 case EM_V850: return "NEC v850";
1586 case EM_CYGNUS_MN10300:
1587 case EM_MN10300: return "mn10300";
1588 case EM_CYGNUS_MN10200:
1589 case EM_MN10200: return "mn10200";
1590 case EM_CYGNUS_FR30:
1591 case EM_FR30: return "Fujitsu FR30";
1592 case EM_CYGNUS_FRV: return "Fujitsu FR-V";
1593 case EM_PJ_OLD:
1594 case EM_PJ: return "picoJava";
1595 case EM_MMA: return "Fujitsu Multimedia Accelerator";
1596 case EM_PCP: return "Siemens PCP";
1597 case EM_NCPU: return "Sony nCPU embedded RISC processor";
1598 case EM_NDR1: return "Denso NDR1 microprocesspr";
1599 case EM_STARCORE: return "Motorola Star*Core processor";
1600 case EM_ME16: return "Toyota ME16 processor";
1601 case EM_ST100: return "STMicroelectronics ST100 processor";
1602 case EM_TINYJ: return "Advanced Logic Corp. TinyJ embedded processor";
1603 case EM_FX66: return "Siemens FX66 microcontroller";
1604 case EM_ST9PLUS: return "STMicroelectronics ST9+ 8/16 bit microcontroller";
1605 case EM_ST7: return "STMicroelectronics ST7 8-bit microcontroller";
1606 case EM_68HC16: return "Motorola MC68HC16 Microcontroller";
1607 case EM_68HC11: return "Motorola MC68HC11 Microcontroller";
1608 case EM_68HC08: return "Motorola MC68HC08 Microcontroller";
1609 case EM_68HC05: return "Motorola MC68HC05 Microcontroller";
1610 case EM_SVX: return "Silicon Graphics SVx";
1611 case EM_ST19: return "STMicroelectronics ST19 8-bit microcontroller";
1612 case EM_VAX: return "Digital VAX";
1613 case EM_AVR_OLD:
1614 case EM_AVR: return "Atmel AVR 8-bit microcontroller";
1615 case EM_CRIS: return "Axis Communications 32-bit embedded processor";
1616 case EM_JAVELIN: return "Infineon Technologies 32-bit embedded cpu";
1617 case EM_FIREPATH: return "Element 14 64-bit DSP processor";
1618 case EM_ZSP: return "LSI Logic's 16-bit DSP processor";
1619 case EM_MMIX: return "Donald Knuth's educational 64-bit processor";
1620 case EM_HUANY: return "Harvard Universitys's machine-independent object format";
1621 case EM_PRISM: return "Vitesse Prism";
1622 case EM_X86_64: return "Advanced Micro Devices X86-64";
1623 case EM_S390_OLD:
1624 case EM_S390: return "IBM S/390";
1625 case EM_XSTORMY16: return "Sanyo Xstormy16 CPU core";
1626 case EM_OPENRISC:
1627 case EM_OR32: return "OpenRISC";
1628 case EM_DLX: return "OpenDLX";
1629 case EM_IP2K_OLD:
1630 case EM_IP2K: return "Ubicom IP2xxx 8-bit microcontrollers";
1631 case EM_IQ2000: return "Vitesse IQ2000";
1632 case EM_XTENSA_OLD:
1633 case EM_XTENSA: return "Tensilica Xtensa Processor";
1634 default:
1635 sprintf (buff, _("<unknown>: %x"), e_machine);
1636 return buff;
1637 }
1638 }
1639
1640 static void
1641 decode_ARM_machine_flags (unsigned e_flags, char buf[])
1642 {
1643 unsigned eabi;
1644 int unknown = 0;
1645
1646 eabi = EF_ARM_EABI_VERSION (e_flags);
1647 e_flags &= ~ EF_ARM_EABIMASK;
1648
1649 /* Handle "generic" ARM flags. */
1650 if (e_flags & EF_ARM_RELEXEC)
1651 {
1652 strcat (buf, ", relocatable executable");
1653 e_flags &= ~ EF_ARM_RELEXEC;
1654 }
1655
1656 if (e_flags & EF_ARM_HASENTRY)
1657 {
1658 strcat (buf, ", has entry point");
1659 e_flags &= ~ EF_ARM_HASENTRY;
1660 }
1661
1662 /* Now handle EABI specific flags. */
1663 switch (eabi)
1664 {
1665 default:
1666 strcat (buf, ", <unrecognized EABI>");
1667 if (e_flags)
1668 unknown = 1;
1669 break;
1670
1671 case EF_ARM_EABI_VER1:
1672 strcat (buf, ", Version1 EABI");
1673 while (e_flags)
1674 {
1675 unsigned flag;
1676
1677 /* Process flags one bit at a time. */
1678 flag = e_flags & - e_flags;
1679 e_flags &= ~ flag;
1680
1681 switch (flag)
1682 {
1683 case EF_ARM_SYMSARESORTED: /* Conflicts with EF_ARM_INTERWORK. */
1684 strcat (buf, ", sorted symbol tables");
1685 break;
1686
1687 default:
1688 unknown = 1;
1689 break;
1690 }
1691 }
1692 break;
1693
1694 case EF_ARM_EABI_VER2:
1695 strcat (buf, ", Version2 EABI");
1696 while (e_flags)
1697 {
1698 unsigned flag;
1699
1700 /* Process flags one bit at a time. */
1701 flag = e_flags & - e_flags;
1702 e_flags &= ~ flag;
1703
1704 switch (flag)
1705 {
1706 case EF_ARM_SYMSARESORTED: /* Conflicts with EF_ARM_INTERWORK. */
1707 strcat (buf, ", sorted symbol tables");
1708 break;
1709
1710 case EF_ARM_DYNSYMSUSESEGIDX:
1711 strcat (buf, ", dynamic symbols use segment index");
1712 break;
1713
1714 case EF_ARM_MAPSYMSFIRST:
1715 strcat (buf, ", mapping symbols precede others");
1716 break;
1717
1718 default:
1719 unknown = 1;
1720 break;
1721 }
1722 }
1723 break;
1724
1725 case EF_ARM_EABI_UNKNOWN:
1726 strcat (buf, ", GNU EABI");
1727 while (e_flags)
1728 {
1729 unsigned flag;
1730
1731 /* Process flags one bit at a time. */
1732 flag = e_flags & - e_flags;
1733 e_flags &= ~ flag;
1734
1735 switch (flag)
1736 {
1737 case EF_ARM_INTERWORK:
1738 strcat (buf, ", interworking enabled");
1739 break;
1740
1741 case EF_ARM_APCS_26:
1742 strcat (buf, ", uses APCS/26");
1743 break;
1744
1745 case EF_ARM_APCS_FLOAT:
1746 strcat (buf, ", uses APCS/float");
1747 break;
1748
1749 case EF_ARM_PIC:
1750 strcat (buf, ", position independent");
1751 break;
1752
1753 case EF_ARM_ALIGN8:
1754 strcat (buf, ", 8 bit structure alignment");
1755 break;
1756
1757 case EF_ARM_NEW_ABI:
1758 strcat (buf, ", uses new ABI");
1759 break;
1760
1761 case EF_ARM_OLD_ABI:
1762 strcat (buf, ", uses old ABI");
1763 break;
1764
1765 case EF_ARM_SOFT_FLOAT:
1766 strcat (buf, ", software FP");
1767 break;
1768
1769 case EF_ARM_MAVERICK_FLOAT:
1770 strcat (buf, ", Maverick FP");
1771 break;
1772
1773 default:
1774 unknown = 1;
1775 break;
1776 }
1777 }
1778 }
1779
1780 if (unknown)
1781 strcat (buf,", <unknown>");
1782 }
1783
1784 static char *
1785 get_machine_flags (unsigned e_flags, unsigned e_machine)
1786 {
1787 static char buf[1024];
1788
1789 buf[0] = '\0';
1790
1791 if (e_flags)
1792 {
1793 switch (e_machine)
1794 {
1795 default:
1796 break;
1797
1798 case EM_ARM:
1799 decode_ARM_machine_flags (e_flags, buf);
1800 break;
1801
1802 case EM_68K:
1803 if (e_flags & EF_CPU32)
1804 strcat (buf, ", cpu32");
1805 if (e_flags & EF_M68000)
1806 strcat (buf, ", m68000");
1807 break;
1808
1809 case EM_PPC:
1810 if (e_flags & EF_PPC_EMB)
1811 strcat (buf, ", emb");
1812
1813 if (e_flags & EF_PPC_RELOCATABLE)
1814 strcat (buf, ", relocatable");
1815
1816 if (e_flags & EF_PPC_RELOCATABLE_LIB)
1817 strcat (buf, ", relocatable-lib");
1818 break;
1819
1820 case EM_V850:
1821 case EM_CYGNUS_V850:
1822 switch (e_flags & EF_V850_ARCH)
1823 {
1824 case E_V850E1_ARCH:
1825 strcat (buf, ", v850e1");
1826 break;
1827 case E_V850E_ARCH:
1828 strcat (buf, ", v850e");
1829 break;
1830 case E_V850_ARCH:
1831 strcat (buf, ", v850");
1832 break;
1833 default:
1834 strcat (buf, ", unknown v850 architecture variant");
1835 break;
1836 }
1837 break;
1838
1839 case EM_M32R:
1840 case EM_CYGNUS_M32R:
1841 if ((e_flags & EF_M32R_ARCH) == E_M32R_ARCH)
1842 strcat (buf, ", m32r");
1843
1844 break;
1845
1846 case EM_MIPS:
1847 case EM_MIPS_RS3_LE:
1848 if (e_flags & EF_MIPS_NOREORDER)
1849 strcat (buf, ", noreorder");
1850
1851 if (e_flags & EF_MIPS_PIC)
1852 strcat (buf, ", pic");
1853
1854 if (e_flags & EF_MIPS_CPIC)
1855 strcat (buf, ", cpic");
1856
1857 if (e_flags & EF_MIPS_UCODE)
1858 strcat (buf, ", ugen_reserved");
1859
1860 if (e_flags & EF_MIPS_ABI2)
1861 strcat (buf, ", abi2");
1862
1863 if (e_flags & EF_MIPS_OPTIONS_FIRST)
1864 strcat (buf, ", odk first");
1865
1866 if (e_flags & EF_MIPS_32BITMODE)
1867 strcat (buf, ", 32bitmode");
1868
1869 switch ((e_flags & EF_MIPS_MACH))
1870 {
1871 case E_MIPS_MACH_3900: strcat (buf, ", 3900"); break;
1872 case E_MIPS_MACH_4010: strcat (buf, ", 4010"); break;
1873 case E_MIPS_MACH_4100: strcat (buf, ", 4100"); break;
1874 case E_MIPS_MACH_4111: strcat (buf, ", 4111"); break;
1875 case E_MIPS_MACH_4120: strcat (buf, ", 4120"); break;
1876 case E_MIPS_MACH_4650: strcat (buf, ", 4650"); break;
1877 case E_MIPS_MACH_5400: strcat (buf, ", 5400"); break;
1878 case E_MIPS_MACH_5500: strcat (buf, ", 5500"); break;
1879 case E_MIPS_MACH_SB1: strcat (buf, ", sb1"); break;
1880 case 0:
1881 /* We simply ignore the field in this case to avoid confusion:
1882 MIPS ELF does not specify EF_MIPS_MACH, it is a GNU
1883 extension. */
1884 break;
1885 default: strcat (buf, ", unknown CPU"); break;
1886 }
1887
1888 switch ((e_flags & EF_MIPS_ABI))
1889 {
1890 case E_MIPS_ABI_O32: strcat (buf, ", o32"); break;
1891 case E_MIPS_ABI_O64: strcat (buf, ", o64"); break;
1892 case E_MIPS_ABI_EABI32: strcat (buf, ", eabi32"); break;
1893 case E_MIPS_ABI_EABI64: strcat (buf, ", eabi64"); break;
1894 case 0:
1895 /* We simply ignore the field in this case to avoid confusion:
1896 MIPS ELF does not specify EF_MIPS_ABI, it is a GNU extension.
1897 This means it is likely to be an o32 file, but not for
1898 sure. */
1899 break;
1900 default: strcat (buf, ", unknown ABI"); break;
1901 }
1902
1903 if (e_flags & EF_MIPS_ARCH_ASE_MDMX)
1904 strcat (buf, ", mdmx");
1905
1906 if (e_flags & EF_MIPS_ARCH_ASE_M16)
1907 strcat (buf, ", mips16");
1908
1909 switch ((e_flags & EF_MIPS_ARCH))
1910 {
1911 case E_MIPS_ARCH_1: strcat (buf, ", mips1"); break;
1912 case E_MIPS_ARCH_2: strcat (buf, ", mips2"); break;
1913 case E_MIPS_ARCH_3: strcat (buf, ", mips3"); break;
1914 case E_MIPS_ARCH_4: strcat (buf, ", mips4"); break;
1915 case E_MIPS_ARCH_5: strcat (buf, ", mips5"); break;
1916 case E_MIPS_ARCH_32: strcat (buf, ", mips32"); break;
1917 case E_MIPS_ARCH_32R2: strcat (buf, ", mips32r2"); break;
1918 case E_MIPS_ARCH_64: strcat (buf, ", mips64"); break;
1919 case E_MIPS_ARCH_64R2: strcat (buf, ", mips64r2"); break;
1920 default: strcat (buf, ", unknown ISA"); break;
1921 }
1922
1923 break;
1924
1925 case EM_SPARCV9:
1926 if (e_flags & EF_SPARC_32PLUS)
1927 strcat (buf, ", v8+");
1928
1929 if (e_flags & EF_SPARC_SUN_US1)
1930 strcat (buf, ", ultrasparcI");
1931
1932 if (e_flags & EF_SPARC_SUN_US3)
1933 strcat (buf, ", ultrasparcIII");
1934
1935 if (e_flags & EF_SPARC_HAL_R1)
1936 strcat (buf, ", halr1");
1937
1938 if (e_flags & EF_SPARC_LEDATA)
1939 strcat (buf, ", ledata");
1940
1941 if ((e_flags & EF_SPARCV9_MM) == EF_SPARCV9_TSO)
1942 strcat (buf, ", tso");
1943
1944 if ((e_flags & EF_SPARCV9_MM) == EF_SPARCV9_PSO)
1945 strcat (buf, ", pso");
1946
1947 if ((e_flags & EF_SPARCV9_MM) == EF_SPARCV9_RMO)
1948 strcat (buf, ", rmo");
1949 break;
1950
1951 case EM_PARISC:
1952 switch (e_flags & EF_PARISC_ARCH)
1953 {
1954 case EFA_PARISC_1_0:
1955 strcpy (buf, ", PA-RISC 1.0");
1956 break;
1957 case EFA_PARISC_1_1:
1958 strcpy (buf, ", PA-RISC 1.1");
1959 break;
1960 case EFA_PARISC_2_0:
1961 strcpy (buf, ", PA-RISC 2.0");
1962 break;
1963 default:
1964 break;
1965 }
1966 if (e_flags & EF_PARISC_TRAPNIL)
1967 strcat (buf, ", trapnil");
1968 if (e_flags & EF_PARISC_EXT)
1969 strcat (buf, ", ext");
1970 if (e_flags & EF_PARISC_LSB)
1971 strcat (buf, ", lsb");
1972 if (e_flags & EF_PARISC_WIDE)
1973 strcat (buf, ", wide");
1974 if (e_flags & EF_PARISC_NO_KABP)
1975 strcat (buf, ", no kabp");
1976 if (e_flags & EF_PARISC_LAZYSWAP)
1977 strcat (buf, ", lazyswap");
1978 break;
1979
1980 case EM_PJ:
1981 case EM_PJ_OLD:
1982 if ((e_flags & EF_PICOJAVA_NEWCALLS) == EF_PICOJAVA_NEWCALLS)
1983 strcat (buf, ", new calling convention");
1984
1985 if ((e_flags & EF_PICOJAVA_GNUCALLS) == EF_PICOJAVA_GNUCALLS)
1986 strcat (buf, ", gnu calling convention");
1987 break;
1988
1989 case EM_IA_64:
1990 if ((e_flags & EF_IA_64_ABI64))
1991 strcat (buf, ", 64-bit");
1992 else
1993 strcat (buf, ", 32-bit");
1994 if ((e_flags & EF_IA_64_REDUCEDFP))
1995 strcat (buf, ", reduced fp model");
1996 if ((e_flags & EF_IA_64_NOFUNCDESC_CONS_GP))
1997 strcat (buf, ", no function descriptors, constant gp");
1998 else if ((e_flags & EF_IA_64_CONS_GP))
1999 strcat (buf, ", constant gp");
2000 if ((e_flags & EF_IA_64_ABSOLUTE))
2001 strcat (buf, ", absolute");
2002 break;
2003
2004 case EM_VAX:
2005 if ((e_flags & EF_VAX_NONPIC))
2006 strcat (buf, ", non-PIC");
2007 if ((e_flags & EF_VAX_DFLOAT))
2008 strcat (buf, ", D-Float");
2009 if ((e_flags & EF_VAX_GFLOAT))
2010 strcat (buf, ", G-Float");
2011 break;
2012 }
2013 }
2014
2015 return buf;
2016 }
2017
2018 static const char *
2019 get_osabi_name (unsigned int osabi)
2020 {
2021 static char buff[32];
2022
2023 switch (osabi)
2024 {
2025 case ELFOSABI_NONE: return "UNIX - System V";
2026 case ELFOSABI_HPUX: return "UNIX - HP-UX";
2027 case ELFOSABI_NETBSD: return "UNIX - NetBSD";
2028 case ELFOSABI_LINUX: return "UNIX - Linux";
2029 case ELFOSABI_HURD: return "GNU/Hurd";
2030 case ELFOSABI_SOLARIS: return "UNIX - Solaris";
2031 case ELFOSABI_AIX: return "UNIX - AIX";
2032 case ELFOSABI_IRIX: return "UNIX - IRIX";
2033 case ELFOSABI_FREEBSD: return "UNIX - FreeBSD";
2034 case ELFOSABI_TRU64: return "UNIX - TRU64";
2035 case ELFOSABI_MODESTO: return "Novell - Modesto";
2036 case ELFOSABI_OPENBSD: return "UNIX - OpenBSD";
2037 case ELFOSABI_OPENVMS: return "VMS - OpenVMS";
2038 case ELFOSABI_NSK: return "HP - Non-Stop Kernel";
2039 case ELFOSABI_AROS: return "Amiga Research OS";
2040 case ELFOSABI_STANDALONE: return _("Standalone App");
2041 case ELFOSABI_ARM: return "ARM";
2042 default:
2043 sprintf (buff, _("<unknown: %x>"), osabi);
2044 return buff;
2045 }
2046 }
2047
2048 static const char *
2049 get_mips_segment_type (unsigned long type)
2050 {
2051 switch (type)
2052 {
2053 case PT_MIPS_REGINFO:
2054 return "REGINFO";
2055 case PT_MIPS_RTPROC:
2056 return "RTPROC";
2057 case PT_MIPS_OPTIONS:
2058 return "OPTIONS";
2059 default:
2060 break;
2061 }
2062
2063 return NULL;
2064 }
2065
2066 static const char *
2067 get_parisc_segment_type (unsigned long type)
2068 {
2069 switch (type)
2070 {
2071 case PT_HP_TLS: return "HP_TLS";
2072 case PT_HP_CORE_NONE: return "HP_CORE_NONE";
2073 case PT_HP_CORE_VERSION: return "HP_CORE_VERSION";
2074 case PT_HP_CORE_KERNEL: return "HP_CORE_KERNEL";
2075 case PT_HP_CORE_COMM: return "HP_CORE_COMM";
2076 case PT_HP_CORE_PROC: return "HP_CORE_PROC";
2077 case PT_HP_CORE_LOADABLE: return "HP_CORE_LOADABLE";
2078 case PT_HP_CORE_STACK: return "HP_CORE_STACK";
2079 case PT_HP_CORE_SHM: return "HP_CORE_SHM";
2080 case PT_HP_CORE_MMF: return "HP_CORE_MMF";
2081 case PT_HP_PARALLEL: return "HP_PARALLEL";
2082 case PT_HP_FASTBIND: return "HP_FASTBIND";
2083 case PT_PARISC_ARCHEXT: return "PARISC_ARCHEXT";
2084 case PT_PARISC_UNWIND: return "PARISC_UNWIND";
2085 default:
2086 break;
2087 }
2088
2089 return NULL;
2090 }
2091
2092 static const char *
2093 get_ia64_segment_type (unsigned long type)
2094 {
2095 switch (type)
2096 {
2097 case PT_IA_64_ARCHEXT: return "IA_64_ARCHEXT";
2098 case PT_IA_64_UNWIND: return "IA_64_UNWIND";
2099 case PT_HP_TLS: return "HP_TLS";
2100 case PT_IA_64_HP_OPT_ANOT: return "HP_OPT_ANNOT";
2101 case PT_IA_64_HP_HSL_ANOT: return "HP_HSL_ANNOT";
2102 case PT_IA_64_HP_STACK: return "HP_STACK";
2103 default:
2104 break;
2105 }
2106
2107 return NULL;
2108 }
2109
2110 static const char *
2111 get_segment_type (unsigned long p_type)
2112 {
2113 static char buff[32];
2114
2115 switch (p_type)
2116 {
2117 case PT_NULL: return "NULL";
2118 case PT_LOAD: return "LOAD";
2119 case PT_DYNAMIC: return "DYNAMIC";
2120 case PT_INTERP: return "INTERP";
2121 case PT_NOTE: return "NOTE";
2122 case PT_SHLIB: return "SHLIB";
2123 case PT_PHDR: return "PHDR";
2124 case PT_TLS: return "TLS";
2125
2126 case PT_GNU_EH_FRAME:
2127 return "GNU_EH_FRAME";
2128 case PT_GNU_STACK: return "STACK";
2129
2130 default:
2131 if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC))
2132 {
2133 const char *result;
2134
2135 switch (elf_header.e_machine)
2136 {
2137 case EM_MIPS:
2138 case EM_MIPS_RS3_LE:
2139 result = get_mips_segment_type (p_type);
2140 break;
2141 case EM_PARISC:
2142 result = get_parisc_segment_type (p_type);
2143 break;
2144 case EM_IA_64:
2145 result = get_ia64_segment_type (p_type);
2146 break;
2147 default:
2148 result = NULL;
2149 break;
2150 }
2151
2152 if (result != NULL)
2153 return result;
2154
2155 sprintf (buff, "LOPROC+%lx", p_type - PT_LOPROC);
2156 }
2157 else if ((p_type >= PT_LOOS) && (p_type <= PT_HIOS))
2158 {
2159 const char *result;
2160
2161 switch (elf_header.e_machine)
2162 {
2163 case EM_PARISC:
2164 result = get_parisc_segment_type (p_type);
2165 break;
2166 case EM_IA_64:
2167 result = get_ia64_segment_type (p_type);
2168 break;
2169 default:
2170 result = NULL;
2171 break;
2172 }
2173
2174 if (result != NULL)
2175 return result;
2176
2177 sprintf (buff, "LOOS+%lx", p_type - PT_LOOS);
2178 }
2179 else
2180 sprintf (buff, _("<unknown>: %lx"), p_type);
2181
2182 return buff;
2183 }
2184 }
2185
2186 static const char *
2187 get_mips_section_type_name (unsigned int sh_type)
2188 {
2189 switch (sh_type)
2190 {
2191 case SHT_MIPS_LIBLIST: return "MIPS_LIBLIST";
2192 case SHT_MIPS_MSYM: return "MIPS_MSYM";
2193 case SHT_MIPS_CONFLICT: return "MIPS_CONFLICT";
2194 case SHT_MIPS_GPTAB: return "MIPS_GPTAB";
2195 case SHT_MIPS_UCODE: return "MIPS_UCODE";
2196 case SHT_MIPS_DEBUG: return "MIPS_DEBUG";
2197 case SHT_MIPS_REGINFO: return "MIPS_REGINFO";
2198 case SHT_MIPS_PACKAGE: return "MIPS_PACKAGE";
2199 case SHT_MIPS_PACKSYM: return "MIPS_PACKSYM";
2200 case SHT_MIPS_RELD: return "MIPS_RELD";
2201 case SHT_MIPS_IFACE: return "MIPS_IFACE";
2202 case SHT_MIPS_CONTENT: return "MIPS_CONTENT";
2203 case SHT_MIPS_OPTIONS: return "MIPS_OPTIONS";
2204 case SHT_MIPS_SHDR: return "MIPS_SHDR";
2205 case SHT_MIPS_FDESC: return "MIPS_FDESC";
2206 case SHT_MIPS_EXTSYM: return "MIPS_EXTSYM";
2207 case SHT_MIPS_DENSE: return "MIPS_DENSE";
2208 case SHT_MIPS_PDESC: return "MIPS_PDESC";
2209 case SHT_MIPS_LOCSYM: return "MIPS_LOCSYM";
2210 case SHT_MIPS_AUXSYM: return "MIPS_AUXSYM";
2211 case SHT_MIPS_OPTSYM: return "MIPS_OPTSYM";
2212 case SHT_MIPS_LOCSTR: return "MIPS_LOCSTR";
2213 case SHT_MIPS_LINE: return "MIPS_LINE";
2214 case SHT_MIPS_RFDESC: return "MIPS_RFDESC";
2215 case SHT_MIPS_DELTASYM: return "MIPS_DELTASYM";
2216 case SHT_MIPS_DELTAINST: return "MIPS_DELTAINST";
2217 case SHT_MIPS_DELTACLASS: return "MIPS_DELTACLASS";
2218 case SHT_MIPS_DWARF: return "MIPS_DWARF";
2219 case SHT_MIPS_DELTADECL: return "MIPS_DELTADECL";
2220 case SHT_MIPS_SYMBOL_LIB: return "MIPS_SYMBOL_LIB";
2221 case SHT_MIPS_EVENTS: return "MIPS_EVENTS";
2222 case SHT_MIPS_TRANSLATE: return "MIPS_TRANSLATE";
2223 case SHT_MIPS_PIXIE: return "MIPS_PIXIE";
2224 case SHT_MIPS_XLATE: return "MIPS_XLATE";
2225 case SHT_MIPS_XLATE_DEBUG: return "MIPS_XLATE_DEBUG";
2226 case SHT_MIPS_WHIRL: return "MIPS_WHIRL";
2227 case SHT_MIPS_EH_REGION: return "MIPS_EH_REGION";
2228 case SHT_MIPS_XLATE_OLD: return "MIPS_XLATE_OLD";
2229 case SHT_MIPS_PDR_EXCEPTION: return "MIPS_PDR_EXCEPTION";
2230 default:
2231 break;
2232 }
2233 return NULL;
2234 }
2235
2236 static const char *
2237 get_parisc_section_type_name (unsigned int sh_type)
2238 {
2239 switch (sh_type)
2240 {
2241 case SHT_PARISC_EXT: return "PARISC_EXT";
2242 case SHT_PARISC_UNWIND: return "PARISC_UNWIND";
2243 case SHT_PARISC_DOC: return "PARISC_DOC";
2244 default:
2245 break;
2246 }
2247 return NULL;
2248 }
2249
2250 static const char *
2251 get_ia64_section_type_name (unsigned int sh_type)
2252 {
2253 /* If the top 8 bits are 0x78 the next 8 are the os/abi ID. */
2254 if ((sh_type & 0xFF000000) == SHT_IA_64_LOPSREG)
2255 return get_osabi_name ((sh_type & 0x00FF0000) >> 16);
2256
2257 switch (sh_type)
2258 {
2259 case SHT_IA_64_EXT: return "IA_64_EXT";
2260 case SHT_IA_64_UNWIND: return "IA_64_UNWIND";
2261 case SHT_IA_64_PRIORITY_INIT: return "IA_64_PRIORITY_INIT";
2262 default:
2263 break;
2264 }
2265 return NULL;
2266 }
2267
2268 static const char *
2269 get_section_type_name (unsigned int sh_type)
2270 {
2271 static char buff[32];
2272
2273 switch (sh_type)
2274 {
2275 case SHT_NULL: return "NULL";
2276 case SHT_PROGBITS: return "PROGBITS";
2277 case SHT_SYMTAB: return "SYMTAB";
2278 case SHT_STRTAB: return "STRTAB";
2279 case SHT_RELA: return "RELA";
2280 case SHT_HASH: return "HASH";
2281 case SHT_DYNAMIC: return "DYNAMIC";
2282 case SHT_NOTE: return "NOTE";
2283 case SHT_NOBITS: return "NOBITS";
2284 case SHT_REL: return "REL";
2285 case SHT_SHLIB: return "SHLIB";
2286 case SHT_DYNSYM: return "DYNSYM";
2287 case SHT_INIT_ARRAY: return "INIT_ARRAY";
2288 case SHT_FINI_ARRAY: return "FINI_ARRAY";
2289 case SHT_PREINIT_ARRAY: return "PREINIT_ARRAY";
2290 case SHT_GROUP: return "GROUP";
2291 case SHT_SYMTAB_SHNDX: return "SYMTAB SECTION INDICIES";
2292 case SHT_GNU_verdef: return "VERDEF";
2293 case SHT_GNU_verneed: return "VERNEED";
2294 case SHT_GNU_versym: return "VERSYM";
2295 case 0x6ffffff0: return "VERSYM";
2296 case 0x6ffffffc: return "VERDEF";
2297 case 0x7ffffffd: return "AUXILIARY";
2298 case 0x7fffffff: return "FILTER";
2299 case SHT_GNU_LIBLIST: return "GNU_LIBLIST";
2300
2301 default:
2302 if ((sh_type >= SHT_LOPROC) && (sh_type <= SHT_HIPROC))
2303 {
2304 const char *result;
2305
2306 switch (elf_header.e_machine)
2307 {
2308 case EM_MIPS:
2309 case EM_MIPS_RS3_LE:
2310 result = get_mips_section_type_name (sh_type);
2311 break;
2312 case EM_PARISC:
2313 result = get_parisc_section_type_name (sh_type);
2314 break;
2315 case EM_IA_64:
2316 result = get_ia64_section_type_name (sh_type);
2317 break;
2318 default:
2319 result = NULL;
2320 break;
2321 }
2322
2323 if (result != NULL)
2324 return result;
2325
2326 sprintf (buff, "LOPROC+%x", sh_type - SHT_LOPROC);
2327 }
2328 else if ((sh_type >= SHT_LOOS) && (sh_type <= SHT_HIOS))
2329 sprintf (buff, "LOOS+%x", sh_type - SHT_LOOS);
2330 else if ((sh_type >= SHT_LOUSER) && (sh_type <= SHT_HIUSER))
2331 sprintf (buff, "LOUSER+%x", sh_type - SHT_LOUSER);
2332 else
2333 sprintf (buff, _("<unknown>: %x"), sh_type);
2334
2335 return buff;
2336 }
2337 }
2338
2339 #define OPTION_DEBUG_DUMP 512
2340
2341 struct option options[] =
2342 {
2343 {"all", no_argument, 0, 'a'},
2344 {"file-header", no_argument, 0, 'h'},
2345 {"program-headers", no_argument, 0, 'l'},
2346 {"headers", no_argument, 0, 'e'},
2347 {"histogram", no_argument, 0, 'I'},
2348 {"segments", no_argument, 0, 'l'},
2349 {"sections", no_argument, 0, 'S'},
2350 {"section-headers", no_argument, 0, 'S'},
2351 {"symbols", no_argument, 0, 's'},
2352 {"syms", no_argument, 0, 's'},
2353 {"relocs", no_argument, 0, 'r'},
2354 {"notes", no_argument, 0, 'n'},
2355 {"dynamic", no_argument, 0, 'd'},
2356 {"arch-specific", no_argument, 0, 'A'},
2357 {"version-info", no_argument, 0, 'V'},
2358 {"use-dynamic", no_argument, 0, 'D'},
2359 {"hex-dump", required_argument, 0, 'x'},
2360 {"debug-dump", optional_argument, 0, OPTION_DEBUG_DUMP},
2361 {"unwind", no_argument, 0, 'u'},
2362 #ifdef SUPPORT_DISASSEMBLY
2363 {"instruction-dump", required_argument, 0, 'i'},
2364 #endif
2365
2366 {"version", no_argument, 0, 'v'},
2367 {"wide", no_argument, 0, 'W'},
2368 {"help", no_argument, 0, 'H'},
2369 {0, no_argument, 0, 0}
2370 };
2371
2372 static void
2373 usage (void)
2374 {
2375 fprintf (stdout, _("Usage: readelf <option(s)> elf-file(s)\n"));
2376 fprintf (stdout, _(" Display information about the contents of ELF format files\n"));
2377 fprintf (stdout, _(" Options are:\n\
2378 -a --all Equivalent to: -h -l -S -s -r -d -V -A -I\n\
2379 -h --file-header Display the ELF file header\n\
2380 -l --program-headers Display the program headers\n\
2381 --segments An alias for --program-headers\n\
2382 -S --section-headers Display the sections' header\n\
2383 --sections An alias for --section-headers\n\
2384 -e --headers Equivalent to: -h -l -S\n\
2385 -s --syms Display the symbol table\n\
2386 --symbols An alias for --syms\n\
2387 -n --notes Display the core notes (if present)\n\
2388 -r --relocs Display the relocations (if present)\n\
2389 -u --unwind Display the unwind info (if present)\n\
2390 -d --dynamic Display the dynamic segment (if present)\n\
2391 -V --version-info Display the version sections (if present)\n\
2392 -A --arch-specific Display architecture specific information (if any).\n\
2393 -D --use-dynamic Use the dynamic section info when displaying symbols\n\
2394 -x --hex-dump=<number> Dump the contents of section <number>\n\
2395 -w[liaprmfFso] or\n\
2396 --debug-dump[=line,=info,=abbrev,=pubnames,=ranges,=macro,=frames,=str,=loc]\n\
2397 Display the contents of DWARF2 debug sections\n"));
2398 #ifdef SUPPORT_DISASSEMBLY
2399 fprintf (stdout, _("\
2400 -i --instruction-dump=<number>\n\
2401 Disassemble the contents of section <number>\n"));
2402 #endif
2403 fprintf (stdout, _("\
2404 -I --histogram Display histogram of bucket list lengths\n\
2405 -W --wide Allow output width to exceed 80 characters\n\
2406 -H --help Display this information\n\
2407 -v --version Display the version number of readelf\n"));
2408 fprintf (stdout, _("Report bugs to %s\n"), REPORT_BUGS_TO);
2409
2410 exit (0);
2411 }
2412
2413 static void
2414 request_dump (unsigned int section, int type)
2415 {
2416 if (section >= num_dump_sects)
2417 {
2418 char *new_dump_sects;
2419
2420 new_dump_sects = calloc (section + 1, 1);
2421
2422 if (new_dump_sects == NULL)
2423 error (_("Out of memory allocating dump request table."));
2424 else
2425 {
2426 /* Copy current flag settings. */
2427 memcpy (new_dump_sects, dump_sects, num_dump_sects);
2428
2429 free (dump_sects);
2430
2431 dump_sects = new_dump_sects;
2432 num_dump_sects = section + 1;
2433 }
2434 }
2435
2436 if (dump_sects)
2437 dump_sects[section] |= type;
2438
2439 return;
2440 }
2441
2442 static void
2443 parse_args (int argc, char **argv)
2444 {
2445 int c;
2446
2447 if (argc < 2)
2448 usage ();
2449
2450 while ((c = getopt_long
2451 (argc, argv, "ersuahnldSDAIw::x:i:vVWH", options, NULL)) != EOF)
2452 {
2453 char *cp;
2454 int section;
2455
2456 switch (c)
2457 {
2458 case 0:
2459 /* Long options. */
2460 break;
2461 case 'H':
2462 usage ();
2463 break;
2464
2465 case 'a':
2466 do_syms++;
2467 do_reloc++;
2468 do_unwind++;
2469 do_dynamic++;
2470 do_header++;
2471 do_sections++;
2472 do_segments++;
2473 do_version++;
2474 do_histogram++;
2475 do_arch++;
2476 do_notes++;
2477 break;
2478 case 'e':
2479 do_header++;
2480 do_sections++;
2481 do_segments++;
2482 break;
2483 case 'A':
2484 do_arch++;
2485 break;
2486 case 'D':
2487 do_using_dynamic++;
2488 break;
2489 case 'r':
2490 do_reloc++;
2491 break;
2492 case 'u':
2493 do_unwind++;
2494 break;
2495 case 'h':
2496 do_header++;
2497 break;
2498 case 'l':
2499 do_segments++;
2500 break;
2501 case 's':
2502 do_syms++;
2503 break;
2504 case 'S':
2505 do_sections++;
2506 break;
2507 case 'd':
2508 do_dynamic++;
2509 break;
2510 case 'I':
2511 do_histogram++;
2512 break;
2513 case 'n':
2514 do_notes++;
2515 break;
2516 case 'x':
2517 do_dump++;
2518 section = strtoul (optarg, & cp, 0);
2519 if (! *cp && section >= 0)
2520 {
2521 request_dump (section, HEX_DUMP);
2522 break;
2523 }
2524 goto oops;
2525 case 'w':
2526 do_dump++;
2527 if (optarg == 0)
2528 do_debugging = 1;
2529 else
2530 {
2531 unsigned int index = 0;
2532
2533 do_debugging = 0;
2534
2535 while (optarg[index])
2536 switch (optarg[index++])
2537 {
2538 case 'i':
2539 case 'I':
2540 do_debug_info = 1;
2541 break;
2542
2543 case 'a':
2544 case 'A':
2545 do_debug_abbrevs = 1;
2546 break;
2547
2548 case 'l':
2549 case 'L':
2550 do_debug_lines = 1;
2551 break;
2552
2553 case 'p':
2554 case 'P':
2555 do_debug_pubnames = 1;
2556 break;
2557
2558 case 'r':
2559 case 'R':
2560 do_debug_aranges = 1;
2561 break;
2562
2563 case 'F':
2564 do_debug_frames_interp = 1;
2565 case 'f':
2566 do_debug_frames = 1;
2567 break;
2568
2569 case 'm':
2570 case 'M':
2571 do_debug_macinfo = 1;
2572 break;
2573
2574 case 's':
2575 case 'S':
2576 do_debug_str = 1;
2577 break;
2578
2579 case 'o':
2580 case 'O':
2581 do_debug_loc = 1;
2582 break;
2583
2584 default:
2585 warn (_("Unrecognized debug option '%s'\n"), optarg);
2586 break;
2587 }
2588 }
2589 break;
2590 case OPTION_DEBUG_DUMP:
2591 do_dump++;
2592 if (optarg == 0)
2593 do_debugging = 1;
2594 else
2595 {
2596 static const char *debug_dump_opt[]
2597 = { "line", "info", "abbrev", "pubnames", "ranges",
2598 "macro", "frames", "frames-interp", "str", "loc", NULL };
2599 unsigned int index;
2600 const char *p;
2601
2602 do_debugging = 0;
2603
2604 p = optarg;
2605 while (*p)
2606 {
2607 for (index = 0; debug_dump_opt[index]; index++)
2608 {
2609 size_t len = strlen (debug_dump_opt[index]);
2610
2611 if (strncmp (p, debug_dump_opt[index], len) == 0
2612 && (p[len] == ',' || p[len] == '\0'))
2613 {
2614 switch (p[0])
2615 {
2616 case 'i':
2617 do_debug_info = 1;
2618 break;
2619
2620 case 'a':
2621 do_debug_abbrevs = 1;
2622 break;
2623
2624 case 'l':
2625 if (p[1] == 'i')
2626 do_debug_lines = 1;
2627 else
2628 do_debug_loc = 1;
2629 break;
2630
2631 case 'p':
2632 do_debug_pubnames = 1;
2633 break;
2634
2635 case 'r':
2636 do_debug_aranges = 1;
2637 break;
2638
2639 case 'f':
2640 if (len > 6)
2641 do_debug_frames_interp = 1;
2642 do_debug_frames = 1;
2643 break;
2644
2645 case 'm':
2646 do_debug_macinfo = 1;
2647 break;
2648
2649 case 's':
2650 do_debug_str = 1;
2651 break;
2652 }
2653
2654 p += len;
2655 break;
2656 }
2657 }
2658
2659 if (debug_dump_opt[index] == NULL)
2660 {
2661 warn (_("Unrecognized debug option '%s'\n"), p);
2662 p = strchr (p, ',');
2663 if (p == NULL)
2664 break;
2665 }
2666
2667 if (*p == ',')
2668 p++;
2669 }
2670 }
2671 break;
2672 #ifdef SUPPORT_DISASSEMBLY
2673 case 'i':
2674 do_dump++;
2675 section = strtoul (optarg, & cp, 0);
2676 if (! *cp && section >= 0)
2677 {
2678 request_dump (section, DISASS_DUMP);
2679 break;
2680 }
2681 goto oops;
2682 #endif
2683 case 'v':
2684 print_version (program_name);
2685 break;
2686 case 'V':
2687 do_version++;
2688 break;
2689 case 'W':
2690 do_wide++;
2691 break;
2692 default:
2693 oops:
2694 /* xgettext:c-format */
2695 error (_("Invalid option '-%c'\n"), c);
2696 /* Drop through. */
2697 case '?':
2698 usage ();
2699 }
2700 }
2701
2702 if (!do_dynamic && !do_syms && !do_reloc && !do_unwind && !do_sections
2703 && !do_segments && !do_header && !do_dump && !do_version
2704 && !do_histogram && !do_debugging && !do_arch && !do_notes)
2705 usage ();
2706 else if (argc < 3)
2707 {
2708 warn (_("Nothing to do.\n"));
2709 usage();
2710 }
2711 }
2712
2713 static const char *
2714 get_elf_class (unsigned int elf_class)
2715 {
2716 static char buff[32];
2717
2718 switch (elf_class)
2719 {
2720 case ELFCLASSNONE: return _("none");
2721 case ELFCLASS32: return "ELF32";
2722 case ELFCLASS64: return "ELF64";
2723 default:
2724 sprintf (buff, _("<unknown: %x>"), elf_class);
2725 return buff;
2726 }
2727 }
2728
2729 static const char *
2730 get_data_encoding (unsigned int encoding)
2731 {
2732 static char buff[32];
2733
2734 switch (encoding)
2735 {
2736 case ELFDATANONE: return _("none");
2737 case ELFDATA2LSB: return _("2's complement, little endian");
2738 case ELFDATA2MSB: return _("2's complement, big endian");
2739 default:
2740 sprintf (buff, _("<unknown: %x>"), encoding);
2741 return buff;
2742 }
2743 }
2744
2745 /* Decode the data held in 'elf_header'. */
2746
2747 static int
2748 process_file_header (void)
2749 {
2750 if ( elf_header.e_ident[EI_MAG0] != ELFMAG0
2751 || elf_header.e_ident[EI_MAG1] != ELFMAG1
2752 || elf_header.e_ident[EI_MAG2] != ELFMAG2
2753 || elf_header.e_ident[EI_MAG3] != ELFMAG3)
2754 {
2755 error
2756 (_("Not an ELF file - it has the wrong magic bytes at the start\n"));
2757 return 0;
2758 }
2759
2760 if (do_header)
2761 {
2762 int i;
2763
2764 printf (_("ELF Header:\n"));
2765 printf (_(" Magic: "));
2766 for (i = 0; i < EI_NIDENT; i++)
2767 printf ("%2.2x ", elf_header.e_ident[i]);
2768 printf ("\n");
2769 printf (_(" Class: %s\n"),
2770 get_elf_class (elf_header.e_ident[EI_CLASS]));
2771 printf (_(" Data: %s\n"),
2772 get_data_encoding (elf_header.e_ident[EI_DATA]));
2773 printf (_(" Version: %d %s\n"),
2774 elf_header.e_ident[EI_VERSION],
2775 (elf_header.e_ident[EI_VERSION] == EV_CURRENT
2776 ? "(current)"
2777 : (elf_header.e_ident[EI_VERSION] != EV_NONE
2778 ? "<unknown: %lx>"
2779 : "")));
2780 printf (_(" OS/ABI: %s\n"),
2781 get_osabi_name (elf_header.e_ident[EI_OSABI]));
2782 printf (_(" ABI Version: %d\n"),
2783 elf_header.e_ident[EI_ABIVERSION]);
2784 printf (_(" Type: %s\n"),
2785 get_file_type (elf_header.e_type));
2786 printf (_(" Machine: %s\n"),
2787 get_machine_name (elf_header.e_machine));
2788 printf (_(" Version: 0x%lx\n"),
2789 (unsigned long) elf_header.e_version);
2790
2791 printf (_(" Entry point address: "));
2792 print_vma ((bfd_vma) elf_header.e_entry, PREFIX_HEX);
2793 printf (_("\n Start of program headers: "));
2794 print_vma ((bfd_vma) elf_header.e_phoff, DEC);
2795 printf (_(" (bytes into file)\n Start of section headers: "));
2796 print_vma ((bfd_vma) elf_header.e_shoff, DEC);
2797 printf (_(" (bytes into file)\n"));
2798
2799 printf (_(" Flags: 0x%lx%s\n"),
2800 (unsigned long) elf_header.e_flags,
2801 get_machine_flags (elf_header.e_flags, elf_header.e_machine));
2802 printf (_(" Size of this header: %ld (bytes)\n"),
2803 (long) elf_header.e_ehsize);
2804 printf (_(" Size of program headers: %ld (bytes)\n"),
2805 (long) elf_header.e_phentsize);
2806 printf (_(" Number of program headers: %ld\n"),
2807 (long) elf_header.e_phnum);
2808 printf (_(" Size of section headers: %ld (bytes)\n"),
2809 (long) elf_header.e_shentsize);
2810 printf (_(" Number of section headers: %ld"),
2811 (long) elf_header.e_shnum);
2812 if (section_headers != NULL && elf_header.e_shnum == 0)
2813 printf (" (%ld)", (long) section_headers[0].sh_size);
2814 putc ('\n', stdout);
2815 printf (_(" Section header string table index: %ld"),
2816 (long) elf_header.e_shstrndx);
2817 if (section_headers != NULL && elf_header.e_shstrndx == SHN_XINDEX)
2818 printf (" (%ld)", (long) section_headers[0].sh_link);
2819 putc ('\n', stdout);
2820 }
2821
2822 if (section_headers != NULL)
2823 {
2824 if (elf_header.e_shnum == 0)
2825 elf_header.e_shnum = section_headers[0].sh_size;
2826 if (elf_header.e_shstrndx == SHN_XINDEX)
2827 elf_header.e_shstrndx = section_headers[0].sh_link;
2828 free (section_headers);
2829 section_headers = NULL;
2830 }
2831
2832 return 1;
2833 }
2834
2835
2836 static int
2837 get_32bit_program_headers (FILE *file, Elf_Internal_Phdr *program_headers)
2838 {
2839 Elf32_External_Phdr *phdrs;
2840 Elf32_External_Phdr *external;
2841 Elf_Internal_Phdr *internal;
2842 unsigned int i;
2843
2844 phdrs = get_data (NULL, file, elf_header.e_phoff,
2845 elf_header.e_phentsize * elf_header.e_phnum,
2846 _("program headers"));
2847 if (!phdrs)
2848 return 0;
2849
2850 for (i = 0, internal = program_headers, external = phdrs;
2851 i < elf_header.e_phnum;
2852 i++, internal++, external++)
2853 {
2854 internal->p_type = BYTE_GET (external->p_type);
2855 internal->p_offset = BYTE_GET (external->p_offset);
2856 internal->p_vaddr = BYTE_GET (external->p_vaddr);
2857 internal->p_paddr = BYTE_GET (external->p_paddr);
2858 internal->p_filesz = BYTE_GET (external->p_filesz);
2859 internal->p_memsz = BYTE_GET (external->p_memsz);
2860 internal->p_flags = BYTE_GET (external->p_flags);
2861 internal->p_align = BYTE_GET (external->p_align);
2862 }
2863
2864 free (phdrs);
2865
2866 return 1;
2867 }
2868
2869 static int
2870 get_64bit_program_headers (FILE *file, Elf_Internal_Phdr *program_headers)
2871 {
2872 Elf64_External_Phdr *phdrs;
2873 Elf64_External_Phdr *external;
2874 Elf_Internal_Phdr *internal;
2875 unsigned int i;
2876
2877 phdrs = get_data (NULL, file, elf_header.e_phoff,
2878 elf_header.e_phentsize * elf_header.e_phnum,
2879 _("program headers"));
2880 if (!phdrs)
2881 return 0;
2882
2883 for (i = 0, internal = program_headers, external = phdrs;
2884 i < elf_header.e_phnum;
2885 i++, internal++, external++)
2886 {
2887 internal->p_type = BYTE_GET (external->p_type);
2888 internal->p_flags = BYTE_GET (external->p_flags);
2889 internal->p_offset = BYTE_GET8 (external->p_offset);
2890 internal->p_vaddr = BYTE_GET8 (external->p_vaddr);
2891 internal->p_paddr = BYTE_GET8 (external->p_paddr);
2892 internal->p_filesz = BYTE_GET8 (external->p_filesz);
2893 internal->p_memsz = BYTE_GET8 (external->p_memsz);
2894 internal->p_align = BYTE_GET8 (external->p_align);
2895 }
2896
2897 free (phdrs);
2898
2899 return 1;
2900 }
2901
2902 /* Returns 1 if the program headers were read into `program_headers'. */
2903
2904 static int
2905 get_program_headers (FILE *file)
2906 {
2907 Elf_Internal_Phdr *phdrs;
2908
2909 /* Check cache of prior read. */
2910 if (program_headers != NULL)
2911 return 1;
2912
2913 phdrs = malloc (elf_header.e_phnum * sizeof (Elf_Internal_Phdr));
2914
2915 if (phdrs == NULL)
2916 {
2917 error (_("Out of memory\n"));
2918 return 0;
2919 }
2920
2921 if (is_32bit_elf
2922 ? get_32bit_program_headers (file, phdrs)
2923 : get_64bit_program_headers (file, phdrs))
2924 {
2925 program_headers = phdrs;
2926 return 1;
2927 }
2928
2929 free (phdrs);
2930 return 0;
2931 }
2932
2933 /* Returns 1 if the program headers were loaded. */
2934
2935 static int
2936 process_program_headers (FILE *file)
2937 {
2938 Elf_Internal_Phdr *segment;
2939 unsigned int i;
2940
2941 if (elf_header.e_phnum == 0)
2942 {
2943 if (do_segments)
2944 printf (_("\nThere are no program headers in this file.\n"));
2945 return 0;
2946 }
2947
2948 if (do_segments && !do_header)
2949 {
2950 printf (_("\nElf file type is %s\n"), get_file_type (elf_header.e_type));
2951 printf (_("Entry point "));
2952 print_vma ((bfd_vma) elf_header.e_entry, PREFIX_HEX);
2953 printf (_("\nThere are %d program headers, starting at offset "),
2954 elf_header.e_phnum);
2955 print_vma ((bfd_vma) elf_header.e_phoff, DEC);
2956 printf ("\n");
2957 }
2958
2959 if (! get_program_headers (file))
2960 return 0;
2961
2962 if (do_segments)
2963 {
2964 if (elf_header.e_phnum > 1)
2965 printf (_("\nProgram Headers:\n"));
2966 else
2967 printf (_("\nProgram Headers:\n"));
2968
2969 if (is_32bit_elf)
2970 printf
2971 (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n"));
2972 else if (do_wide)
2973 printf
2974 (_(" Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align\n"));
2975 else
2976 {
2977 printf
2978 (_(" Type Offset VirtAddr PhysAddr\n"));
2979 printf
2980 (_(" FileSiz MemSiz Flags Align\n"));
2981 }
2982 }
2983
2984 dynamic_addr = 0;
2985 dynamic_size = 0;
2986
2987 for (i = 0, segment = program_headers;
2988 i < elf_header.e_phnum;
2989 i++, segment++)
2990 {
2991 if (do_segments)
2992 {
2993 printf (" %-14.14s ", get_segment_type (segment->p_type));
2994
2995 if (is_32bit_elf)
2996 {
2997 printf ("0x%6.6lx ", (unsigned long) segment->p_offset);
2998 printf ("0x%8.8lx ", (unsigned long) segment->p_vaddr);
2999 printf ("0x%8.8lx ", (unsigned long) segment->p_paddr);
3000 printf ("0x%5.5lx ", (unsigned long) segment->p_filesz);
3001 printf ("0x%5.5lx ", (unsigned long) segment->p_memsz);
3002 printf ("%c%c%c ",
3003 (segment->p_flags & PF_R ? 'R' : ' '),
3004 (segment->p_flags & PF_W ? 'W' : ' '),
3005 (segment->p_flags & PF_X ? 'E' : ' '));
3006 printf ("%#lx", (unsigned long) segment->p_align);
3007 }
3008 else if (do_wide)
3009 {
3010 if ((unsigned long) segment->p_offset == segment->p_offset)
3011 printf ("0x%6.6lx ", (unsigned long) segment->p_offset);
3012 else
3013 {
3014 print_vma (segment->p_offset, FULL_HEX);
3015 putchar (' ');
3016 }
3017
3018 print_vma (segment->p_vaddr, FULL_HEX);
3019 putchar (' ');
3020 print_vma (segment->p_paddr, FULL_HEX);
3021 putchar (' ');
3022
3023 if ((unsigned long) segment->p_filesz == segment->p_filesz)
3024 printf ("0x%6.6lx ", (unsigned long) segment->p_filesz);
3025 else
3026 {
3027 print_vma (segment->p_filesz, FULL_HEX);
3028 putchar (' ');
3029 }
3030
3031 if ((unsigned long) segment->p_memsz == segment->p_memsz)
3032 printf ("0x%6.6lx", (unsigned long) segment->p_memsz);
3033 else
3034 {
3035 print_vma (segment->p_offset, FULL_HEX);
3036 }
3037
3038 printf (" %c%c%c ",
3039 (segment->p_flags & PF_R ? 'R' : ' '),
3040 (segment->p_flags & PF_W ? 'W' : ' '),
3041 (segment->p_flags & PF_X ? 'E' : ' '));
3042
3043 if ((unsigned long) segment->p_align == segment->p_align)
3044 printf ("%#lx", (unsigned long) segment->p_align);
3045 else
3046 {
3047 print_vma (segment->p_align, PREFIX_HEX);
3048 }
3049 }
3050 else
3051 {
3052 print_vma (segment->p_offset, FULL_HEX);
3053 putchar (' ');
3054 print_vma (segment->p_vaddr, FULL_HEX);
3055 putchar (' ');
3056 print_vma (segment->p_paddr, FULL_HEX);
3057 printf ("\n ");
3058 print_vma (segment->p_filesz, FULL_HEX);
3059 putchar (' ');
3060 print_vma (segment->p_memsz, FULL_HEX);
3061 printf (" %c%c%c ",
3062 (segment->p_flags & PF_R ? 'R' : ' '),
3063 (segment->p_flags & PF_W ? 'W' : ' '),
3064 (segment->p_flags & PF_X ? 'E' : ' '));
3065 print_vma (segment->p_align, HEX);
3066 }
3067 }
3068
3069 switch (segment->p_type)
3070 {
3071 case PT_DYNAMIC:
3072 if (dynamic_addr)
3073 error (_("more than one dynamic segment\n"));
3074
3075 dynamic_addr = segment->p_offset;
3076 dynamic_size = segment->p_filesz;
3077 break;
3078
3079 case PT_INTERP:
3080 if (fseek (file, archive_file_offset + (long) segment->p_offset,
3081 SEEK_SET))
3082 error (_("Unable to find program interpreter name\n"));
3083 else
3084 {
3085 program_interpreter[0] = 0;
3086 fscanf (file, "%63s", program_interpreter);
3087
3088 if (do_segments)
3089 printf (_("\n [Requesting program interpreter: %s]"),
3090 program_interpreter);
3091 }
3092 break;
3093 }
3094
3095 if (do_segments)
3096 putc ('\n', stdout);
3097 }
3098
3099 if (do_segments && section_headers != NULL)
3100 {
3101 printf (_("\n Section to Segment mapping:\n"));
3102 printf (_(" Segment Sections...\n"));
3103
3104 assert (string_table != NULL);
3105
3106 for (i = 0; i < elf_header.e_phnum; i++)
3107 {
3108 unsigned int j;
3109 Elf_Internal_Shdr *section;
3110
3111 segment = program_headers + i;
3112 section = section_headers;
3113
3114 printf (" %2.2d ", i);
3115
3116 for (j = 1; j < elf_header.e_shnum; j++, section++)
3117 {
3118 if (section->sh_size > 0
3119 /* Compare allocated sections by VMA, unallocated
3120 sections by file offset. */
3121 && (section->sh_flags & SHF_ALLOC
3122 ? (section->sh_addr >= segment->p_vaddr
3123 && section->sh_addr + section->sh_size
3124 <= segment->p_vaddr + segment->p_memsz)
3125 : ((bfd_vma) section->sh_offset >= segment->p_offset
3126 && (section->sh_offset + section->sh_size
3127 <= segment->p_offset + segment->p_filesz))))
3128 printf ("%s ", SECTION_NAME (section));
3129 }
3130
3131 putc ('\n',stdout);
3132 }
3133 }
3134
3135 return 1;
3136 }
3137
3138
3139 /* Find the file offset corresponding to VMA by using the program headers. */
3140
3141 static long
3142 offset_from_vma (FILE *file, bfd_vma vma, bfd_size_type size)
3143 {
3144 Elf_Internal_Phdr *seg;
3145
3146 if (! get_program_headers (file))
3147 {
3148 warn (_("Cannot interpret virtual addresses without program headers.\n"));
3149 return (long) vma;
3150 }
3151
3152 for (seg = program_headers;
3153 seg < program_headers + elf_header.e_phnum;
3154 ++seg)
3155 {
3156 if (seg->p_type != PT_LOAD)
3157 continue;
3158
3159 if (vma >= (seg->p_vaddr & -seg->p_align)
3160 && vma + size <= seg->p_vaddr + seg->p_filesz)
3161 return vma - seg->p_vaddr + seg->p_offset;
3162 }
3163
3164 warn (_("Virtual address 0x%lx not located in any PT_LOAD segment.\n"),
3165 (long) vma);
3166 return (long) vma;
3167 }
3168
3169
3170 static int
3171 get_32bit_section_headers (FILE *file, unsigned int num)
3172 {
3173 Elf32_External_Shdr *shdrs;
3174 Elf_Internal_Shdr *internal;
3175 unsigned int i;
3176
3177 shdrs = get_data (NULL, file, elf_header.e_shoff,
3178 elf_header.e_shentsize * num, _("section headers"));
3179 if (!shdrs)
3180 return 0;
3181
3182 section_headers = malloc (num * sizeof (Elf_Internal_Shdr));
3183
3184 if (section_headers == NULL)
3185 {
3186 error (_("Out of memory\n"));
3187 return 0;
3188 }
3189
3190 for (i = 0, internal = section_headers;
3191 i < num;
3192 i++, internal++)
3193 {
3194 internal->sh_name = BYTE_GET (shdrs[i].sh_name);
3195 internal->sh_type = BYTE_GET (shdrs[i].sh_type);
3196 internal->sh_flags = BYTE_GET (shdrs[i].sh_flags);
3197 internal->sh_addr = BYTE_GET (shdrs[i].sh_addr);
3198 internal->sh_offset = BYTE_GET (shdrs[i].sh_offset);
3199 internal->sh_size = BYTE_GET (shdrs[i].sh_size);
3200 internal->sh_link = BYTE_GET (shdrs[i].sh_link);
3201 internal->sh_info = BYTE_GET (shdrs[i].sh_info);
3202 internal->sh_addralign = BYTE_GET (shdrs[i].sh_addralign);
3203 internal->sh_entsize = BYTE_GET (shdrs[i].sh_entsize);
3204 }
3205
3206 free (shdrs);
3207
3208 return 1;
3209 }
3210
3211 static int
3212 get_64bit_section_headers (FILE *file, unsigned int num)
3213 {
3214 Elf64_External_Shdr *shdrs;
3215 Elf_Internal_Shdr *internal;
3216 unsigned int i;
3217
3218 shdrs = get_data (NULL, file, elf_header.e_shoff,
3219 elf_header.e_shentsize * num, _("section headers"));
3220 if (!shdrs)
3221 return 0;
3222
3223 section_headers = malloc (num * sizeof (Elf_Internal_Shdr));
3224
3225 if (section_headers == NULL)
3226 {
3227 error (_("Out of memory\n"));
3228 return 0;
3229 }
3230
3231 for (i = 0, internal = section_headers;
3232 i < num;
3233 i++, internal++)
3234 {
3235 internal->sh_name = BYTE_GET (shdrs[i].sh_name);
3236 internal->sh_type = BYTE_GET (shdrs[i].sh_type);
3237 internal->sh_flags = BYTE_GET8 (shdrs[i].sh_flags);
3238 internal->sh_addr = BYTE_GET8 (shdrs[i].sh_addr);
3239 internal->sh_size = BYTE_GET8 (shdrs[i].sh_size);
3240 internal->sh_entsize = BYTE_GET8 (shdrs[i].sh_entsize);
3241 internal->sh_link = BYTE_GET (shdrs[i].sh_link);
3242 internal->sh_info = BYTE_GET (shdrs[i].sh_info);
3243 internal->sh_offset = BYTE_GET (shdrs[i].sh_offset);
3244 internal->sh_addralign = BYTE_GET (shdrs[i].sh_addralign);
3245 }
3246
3247 free (shdrs);
3248
3249 return 1;
3250 }
3251
3252 static Elf_Internal_Sym *
3253 get_32bit_elf_symbols (FILE *file, Elf_Internal_Shdr *section)
3254 {
3255 unsigned long number;
3256 Elf32_External_Sym *esyms;
3257 Elf_External_Sym_Shndx *shndx;
3258 Elf_Internal_Sym *isyms;
3259 Elf_Internal_Sym *psym;
3260 unsigned int j;
3261
3262 esyms = get_data (NULL, file, section->sh_offset, section->sh_size,
3263 _("symbols"));
3264 if (!esyms)
3265 return NULL;
3266
3267 shndx = NULL;
3268 if (symtab_shndx_hdr != NULL
3269 && (symtab_shndx_hdr->sh_link
3270 == (unsigned long) SECTION_HEADER_NUM (section - section_headers)))
3271 {
3272 shndx = get_data (NULL, file, symtab_shndx_hdr->sh_offset,
3273 symtab_shndx_hdr->sh_size, _("symtab shndx"));
3274 if (!shndx)
3275 {
3276 free (esyms);
3277 return NULL;
3278 }
3279 }
3280
3281 number = section->sh_size / section->sh_entsize;
3282 isyms = malloc (number * sizeof (Elf_Internal_Sym));
3283
3284 if (isyms == NULL)
3285 {
3286 error (_("Out of memory\n"));
3287 if (shndx)
3288 free (shndx);
3289 free (esyms);
3290 return NULL;
3291 }
3292
3293 for (j = 0, psym = isyms;
3294 j < number;
3295 j++, psym++)
3296 {
3297 psym->st_name = BYTE_GET (esyms[j].st_name);
3298 psym->st_value = BYTE_GET (esyms[j].st_value);
3299 psym->st_size = BYTE_GET (esyms[j].st_size);
3300 psym->st_shndx = BYTE_GET (esyms[j].st_shndx);
3301 if (psym->st_shndx == SHN_XINDEX && shndx != NULL)
3302 psym->st_shndx
3303 = byte_get ((unsigned char *) &shndx[j], sizeof (shndx[j]));
3304 psym->st_info = BYTE_GET (esyms[j].st_info);
3305 psym->st_other = BYTE_GET (esyms[j].st_other);
3306 }
3307
3308 if (shndx)
3309 free (shndx);
3310 free (esyms);
3311
3312 return isyms;
3313 }
3314
3315 static Elf_Internal_Sym *
3316 get_64bit_elf_symbols (FILE *file, Elf_Internal_Shdr *section)
3317 {
3318 unsigned long number;
3319 Elf64_External_Sym *esyms;
3320 Elf_External_Sym_Shndx *shndx;
3321 Elf_Internal_Sym *isyms;
3322 Elf_Internal_Sym *psym;
3323 unsigned int j;
3324
3325 esyms = get_data (NULL, file, section->sh_offset, section->sh_size,
3326 _("symbols"));
3327 if (!esyms)
3328 return NULL;
3329
3330 shndx = NULL;
3331 if (symtab_shndx_hdr != NULL
3332 && (symtab_shndx_hdr->sh_link
3333 == (unsigned long) SECTION_HEADER_NUM (section - section_headers)))
3334 {
3335 shndx = get_data (NULL, file, symtab_shndx_hdr->sh_offset,
3336 symtab_shndx_hdr->sh_size, _("symtab shndx"));
3337 if (!shndx)
3338 {
3339 free (esyms);
3340 return NULL;
3341 }
3342 }
3343
3344 number = section->sh_size / section->sh_entsize;
3345 isyms = malloc (number * sizeof (Elf_Internal_Sym));
3346
3347 if (isyms == NULL)
3348 {
3349 error (_("Out of memory\n"));
3350 if (shndx)
3351 free (shndx);
3352 free (esyms);
3353 return NULL;
3354 }
3355
3356 for (j = 0, psym = isyms;
3357 j < number;
3358 j++, psym++)
3359 {
3360 psym->st_name = BYTE_GET (esyms[j].st_name);
3361 psym->st_info = BYTE_GET (esyms[j].st_info);
3362 psym->st_other = BYTE_GET (esyms[j].st_other);
3363 psym->st_shndx = BYTE_GET (esyms[j].st_shndx);
3364 if (psym->st_shndx == SHN_XINDEX && shndx != NULL)
3365 psym->st_shndx
3366 = byte_get ((unsigned char *) &shndx[j], sizeof (shndx[j]));
3367 psym->st_value = BYTE_GET8 (esyms[j].st_value);
3368 psym->st_size = BYTE_GET8 (esyms[j].st_size);
3369 }
3370
3371 if (shndx)
3372 free (shndx);
3373 free (esyms);
3374
3375 return isyms;
3376 }
3377
3378 static const char *
3379 get_elf_section_flags (bfd_vma sh_flags)
3380 {
3381 static char buff[32];
3382
3383 *buff = 0;
3384
3385 while (sh_flags)
3386 {
3387 bfd_vma flag;
3388
3389 flag = sh_flags & - sh_flags;
3390 sh_flags &= ~ flag;
3391
3392 switch (flag)
3393 {
3394 case SHF_WRITE: strcat (buff, "W"); break;
3395 case SHF_ALLOC: strcat (buff, "A"); break;
3396 case SHF_EXECINSTR: strcat (buff, "X"); break;
3397 case SHF_MERGE: strcat (buff, "M"); break;
3398 case SHF_STRINGS: strcat (buff, "S"); break;
3399 case SHF_INFO_LINK: strcat (buff, "I"); break;
3400 case SHF_LINK_ORDER: strcat (buff, "L"); break;
3401 case SHF_OS_NONCONFORMING: strcat (buff, "O"); break;
3402 case SHF_GROUP: strcat (buff, "G"); break;
3403 case SHF_TLS: strcat (buff, "T"); break;
3404
3405 default:
3406 if (flag & SHF_MASKOS)
3407 {
3408 strcat (buff, "o");
3409 sh_flags &= ~ SHF_MASKOS;
3410 }
3411 else if (flag & SHF_MASKPROC)
3412 {
3413 strcat (buff, "p");
3414 sh_flags &= ~ SHF_MASKPROC;
3415 }
3416 else
3417 strcat (buff, "x");
3418 break;
3419 }
3420 }
3421
3422 return buff;
3423 }
3424
3425 static int
3426 process_section_headers (FILE *file)
3427 {
3428 Elf_Internal_Shdr *section;
3429 unsigned int i;
3430
3431 section_headers = NULL;
3432
3433 if (elf_header.e_shnum == 0)
3434 {
3435 if (do_sections)
3436 printf (_("\nThere are no sections in this file.\n"));
3437
3438 return 1;
3439 }
3440
3441 if (do_sections && !do_header)
3442 printf (_("There are %d section headers, starting at offset 0x%lx:\n"),
3443 elf_header.e_shnum, (unsigned long) elf_header.e_shoff);
3444
3445 if (is_32bit_elf)
3446 {
3447 if (! get_32bit_section_headers (file, elf_header.e_shnum))
3448 return 0;
3449 }
3450 else if (! get_64bit_section_headers (file, elf_header.e_shnum))
3451 return 0;
3452
3453 /* Read in the string table, so that we have names to display. */
3454 section = SECTION_HEADER (elf_header.e_shstrndx);
3455
3456 if (section->sh_size != 0)
3457 {
3458 string_table = get_data (NULL, file, section->sh_offset,
3459 section->sh_size, _("string table"));
3460
3461 if (string_table == NULL)
3462 return 0;
3463
3464 string_table_length = section->sh_size;
3465 }
3466
3467 /* Scan the sections for the dynamic symbol table
3468 and dynamic string table and debug sections. */
3469 dynamic_symbols = NULL;
3470 dynamic_strings = NULL;
3471 dynamic_syminfo = NULL;
3472 symtab_shndx_hdr = NULL;
3473
3474 for (i = 0, section = section_headers;
3475 i < elf_header.e_shnum;
3476 i++, section++)
3477 {
3478 char *name = SECTION_NAME (section);
3479
3480 if (section->sh_type == SHT_DYNSYM)
3481 {
3482 if (dynamic_symbols != NULL)
3483 {
3484 error (_("File contains multiple dynamic symbol tables\n"));
3485 continue;
3486 }
3487
3488 num_dynamic_syms = section->sh_size / section->sh_entsize;
3489 dynamic_symbols = GET_ELF_SYMBOLS (file, section);
3490 }
3491 else if (section->sh_type == SHT_STRTAB
3492 && strcmp (name, ".dynstr") == 0)
3493 {
3494 if (dynamic_strings != NULL)
3495 {
3496 error (_("File contains multiple dynamic string tables\n"));
3497 continue;
3498 }
3499
3500 dynamic_strings = get_data (NULL, file, section->sh_offset,
3501 section->sh_size, _("dynamic strings"));
3502 }
3503 else if (section->sh_type == SHT_SYMTAB_SHNDX)
3504 {
3505 if (symtab_shndx_hdr != NULL)
3506 {
3507 error (_("File contains multiple symtab shndx tables\n"));
3508 continue;
3509 }
3510 symtab_shndx_hdr = section;
3511 }
3512 else if ((do_debugging || do_debug_info || do_debug_abbrevs
3513 || do_debug_lines || do_debug_pubnames || do_debug_aranges
3514 || do_debug_frames || do_debug_macinfo || do_debug_str
3515 || do_debug_loc)
3516 && strncmp (name, ".debug_", 7) == 0)
3517 {
3518 name += 7;
3519
3520 if (do_debugging
3521 || (do_debug_info && (strcmp (name, "info") == 0))
3522 || (do_debug_abbrevs && (strcmp (name, "abbrev") == 0))
3523 || (do_debug_lines && (strcmp (name, "line") == 0))
3524 || (do_debug_pubnames && (strcmp (name, "pubnames") == 0))
3525 || (do_debug_aranges && (strcmp (name, "aranges") == 0))
3526 || (do_debug_frames && (strcmp (name, "frame") == 0))
3527 || (do_debug_macinfo && (strcmp (name, "macinfo") == 0))
3528 || (do_debug_str && (strcmp (name, "str") == 0))
3529 || (do_debug_loc && (strcmp (name, "loc") == 0))
3530 )
3531 request_dump (i, DEBUG_DUMP);
3532 }
3533 /* linkonce section to be combined with .debug_info at link time. */
3534 else if ((do_debugging || do_debug_info)
3535 && strncmp (name, ".gnu.linkonce.wi.", 17) == 0)
3536 request_dump (i, DEBUG_DUMP);
3537 else if (do_debug_frames && strcmp (name, ".eh_frame") == 0)
3538 request_dump (i, DEBUG_DUMP);
3539 }
3540
3541 if (! do_sections)
3542 return 1;
3543
3544 if (elf_header.e_shnum > 1)
3545 printf (_("\nSection Headers:\n"));
3546 else
3547 printf (_("\nSection Header:\n"));
3548
3549 if (is_32bit_elf)
3550 printf
3551 (_(" [Nr] Name Type Addr Off Size ES Flg Lk Inf Al\n"));
3552 else if (do_wide)
3553 printf
3554 (_(" [Nr] Name Type Address Off Size ES Flg Lk Inf Al\n"));
3555 else
3556 {
3557 printf (_(" [Nr] Name Type Address Offset\n"));
3558 printf (_(" Size EntSize Flags Link Info Align\n"));
3559 }
3560
3561 for (i = 0, section = section_headers;
3562 i < elf_header.e_shnum;
3563 i++, section++)
3564 {
3565 printf (" [%2u] %-17.17s %-15.15s ",
3566 SECTION_HEADER_NUM (i),
3567 SECTION_NAME (section),
3568 get_section_type_name (section->sh_type));
3569
3570 if (is_32bit_elf)
3571 {
3572 print_vma (section->sh_addr, LONG_HEX);
3573
3574 printf ( " %6.6lx %6.6lx %2.2lx",
3575 (unsigned long) section->sh_offset,
3576 (unsigned long) section->sh_size,
3577 (unsigned long) section->sh_entsize);
3578
3579 printf (" %3s ", get_elf_section_flags (section->sh_flags));
3580
3581 printf ("%2ld %3lx %2ld\n",
3582 (unsigned long) section->sh_link,
3583 (unsigned long) section->sh_info,
3584 (unsigned long) section->sh_addralign);
3585 }
3586 else if (do_wide)
3587 {
3588 print_vma (section->sh_addr, LONG_HEX);
3589
3590 if ((long) section->sh_offset == section->sh_offset)
3591 printf (" %6.6lx", (unsigned long) section->sh_offset);
3592 else
3593 {
3594 putchar (' ');
3595 print_vma (section->sh_offset, LONG_HEX);
3596 }
3597
3598 if ((unsigned long) section->sh_size == section->sh_size)
3599 printf (" %6.6lx", (unsigned long) section->sh_size);
3600 else
3601 {
3602 putchar (' ');
3603 print_vma (section->sh_size, LONG_HEX);
3604 }
3605
3606 if ((unsigned long) section->sh_entsize == section->sh_entsize)
3607 printf (" %2.2lx", (unsigned long) section->sh_entsize);
3608 else
3609 {
3610 putchar (' ');
3611 print_vma (section->sh_entsize, LONG_HEX);
3612 }
3613
3614 printf (" %3s ", get_elf_section_flags (section->sh_flags));
3615
3616 printf ("%2ld %3lx ",
3617 (unsigned long) section->sh_link,
3618 (unsigned long) section->sh_info);
3619
3620 if ((unsigned long) section->sh_addralign == section->sh_addralign)
3621 printf ("%2ld\n", (unsigned long) section->sh_addralign);
3622 else
3623 {
3624 print_vma (section->sh_addralign, DEC);
3625 putchar ('\n');
3626 }
3627 }
3628 else
3629 {
3630 putchar (' ');
3631 print_vma (section->sh_addr, LONG_HEX);
3632 if ((long) section->sh_offset == section->sh_offset)
3633 printf (" %8.8lx", (unsigned long) section->sh_offset);
3634 else
3635 {
3636 printf (" ");
3637 print_vma (section->sh_offset, LONG_HEX);
3638 }
3639 printf ("\n ");
3640 print_vma (section->sh_size, LONG_HEX);
3641 printf (" ");
3642 print_vma (section->sh_entsize, LONG_HEX);
3643
3644 printf (" %3s ", get_elf_section_flags (section->sh_flags));
3645
3646 printf (" %2ld %3lx %ld\n",
3647 (unsigned long) section->sh_link,
3648 (unsigned long) section->sh_info,
3649 (unsigned long) section->sh_addralign);
3650 }
3651 }
3652
3653 printf (_("Key to Flags:\n\
3654 W (write), A (alloc), X (execute), M (merge), S (strings)\n\
3655 I (info), L (link order), G (group), x (unknown)\n\
3656 O (extra OS processing required) o (OS specific), p (processor specific)\n"));
3657
3658 return 1;
3659 }
3660
3661 struct
3662 {
3663 const char *name;
3664 int reloc;
3665 int size;
3666 int rela;
3667 } dynamic_relocations [] =
3668 {
3669 { "REL", DT_REL, DT_RELSZ, FALSE },
3670 { "RELA", DT_RELA, DT_RELASZ, TRUE },
3671 { "PLT", DT_JMPREL, DT_PLTRELSZ, UNKNOWN }
3672 };
3673
3674 /* Process the reloc section. */
3675 static int
3676 process_relocs (FILE *file)
3677 {
3678 unsigned long rel_size;
3679 unsigned long rel_offset;
3680
3681
3682 if (!do_reloc)
3683 return 1;
3684
3685 if (do_using_dynamic)
3686 {
3687 int is_rela;
3688 const char *name;
3689 int has_dynamic_reloc;
3690 unsigned int i;
3691
3692 has_dynamic_reloc = 0;
3693
3694 for (i = 0; i < ARRAY_SIZE (dynamic_relocations); i++)
3695 {
3696 is_rela = dynamic_relocations [i].rela;
3697 name = dynamic_relocations [i].name;
3698 rel_size = dynamic_info [dynamic_relocations [i].size];
3699 rel_offset = dynamic_info [dynamic_relocations [i].reloc];
3700
3701 has_dynamic_reloc |= rel_size;
3702
3703 if (is_rela == UNKNOWN)
3704 {
3705 if (dynamic_relocations [i].reloc == DT_JMPREL)
3706 switch (dynamic_info[DT_PLTREL])
3707 {
3708 case DT_REL:
3709 is_rela = FALSE;
3710 break;
3711 case DT_RELA:
3712 is_rela = TRUE;
3713 break;
3714 }
3715 }
3716
3717 if (rel_size)
3718 {
3719 printf
3720 (_("\n'%s' relocation section at offset 0x%lx contains %ld bytes:\n"),
3721 name, rel_offset, rel_size);
3722
3723 dump_relocations (file,
3724 offset_from_vma (file, rel_offset, rel_size),
3725 rel_size,
3726 dynamic_symbols, num_dynamic_syms,
3727 dynamic_strings, is_rela);
3728 }
3729 }
3730
3731 if (! has_dynamic_reloc)
3732 printf (_("\nThere are no dynamic relocations in this file.\n"));
3733 }
3734 else
3735 {
3736 Elf_Internal_Shdr *section;
3737 unsigned long i;
3738 int found = 0;
3739
3740 for (i = 0, section = section_headers;
3741 i < elf_header.e_shnum;
3742 i++, section++)
3743 {
3744 if ( section->sh_type != SHT_RELA
3745 && section->sh_type != SHT_REL)
3746 continue;
3747
3748 rel_offset = section->sh_offset;
3749 rel_size = section->sh_size;
3750
3751 if (rel_size)
3752 {
3753 Elf_Internal_Shdr *strsec;
3754 Elf_Internal_Sym *symtab;
3755 char *strtab;
3756 int is_rela;
3757 unsigned long nsyms;
3758
3759 printf (_("\nRelocation section "));
3760
3761 if (string_table == NULL)
3762 printf ("%d", section->sh_name);
3763 else
3764 printf (_("'%s'"), SECTION_NAME (section));
3765
3766 printf (_(" at offset 0x%lx contains %lu entries:\n"),
3767 rel_offset, (unsigned long) (rel_size / section->sh_entsize));
3768
3769 symtab = NULL;
3770 strtab = NULL;
3771 nsyms = 0;
3772 if (section->sh_link)
3773 {
3774 Elf_Internal_Shdr *symsec;
3775
3776 symsec = SECTION_HEADER (section->sh_link);
3777 nsyms = symsec->sh_size / symsec->sh_entsize;
3778 symtab = GET_ELF_SYMBOLS (file, symsec);
3779
3780 if (symtab == NULL)
3781 continue;
3782
3783 strsec = SECTION_HEADER (symsec->sh_link);
3784
3785 strtab = get_data (NULL, file, strsec->sh_offset,
3786 strsec->sh_size, _("string table"));
3787 }
3788 is_rela = section->sh_type == SHT_RELA;
3789
3790 dump_relocations (file, rel_offset, rel_size,
3791 symtab, nsyms, strtab, is_rela);
3792
3793 if (strtab)
3794 free (strtab);
3795 if (symtab)
3796 free (symtab);
3797
3798 found = 1;
3799 }
3800 }
3801
3802 if (! found)
3803 printf (_("\nThere are no relocations in this file.\n"));
3804 }
3805
3806 return 1;
3807 }
3808
3809 #include "unwind-ia64.h"
3810
3811 /* An absolute address consists of a section and an offset. If the
3812 section is NULL, the offset itself is the address, otherwise, the
3813 address equals to LOAD_ADDRESS(section) + offset. */
3814
3815 struct absaddr
3816 {
3817 unsigned short section;
3818 bfd_vma offset;
3819 };
3820
3821 struct unw_aux_info
3822 {
3823 struct unw_table_entry
3824 {
3825 struct absaddr start;
3826 struct absaddr end;
3827 struct absaddr info;
3828 }
3829 *table; /* Unwind table. */
3830 unsigned long table_len; /* Length of unwind table. */
3831 unsigned char *info; /* Unwind info. */
3832 unsigned long info_size; /* Size of unwind info. */
3833 bfd_vma info_addr; /* starting address of unwind info. */
3834 bfd_vma seg_base; /* Starting address of segment. */
3835 Elf_Internal_Sym *symtab; /* The symbol table. */
3836 unsigned long nsyms; /* Number of symbols. */
3837 char *strtab; /* The string table. */
3838 unsigned long strtab_size; /* Size of string table. */
3839 };
3840
3841 static void
3842 find_symbol_for_address (struct unw_aux_info *aux,
3843 struct absaddr addr,
3844 const char **symname,
3845 bfd_vma *offset)
3846 {
3847 bfd_vma dist = 0x100000;
3848 Elf_Internal_Sym *sym, *best = NULL;
3849 unsigned long i;
3850
3851 for (i = 0, sym = aux->symtab; i < aux->nsyms; ++i, ++sym)
3852 {
3853 if (ELF_ST_TYPE (sym->st_info) == STT_FUNC
3854 && sym->st_name != 0
3855 && (addr.section == SHN_UNDEF || addr.section == sym->st_shndx)
3856 && addr.offset >= sym->st_value
3857 && addr.offset - sym->st_value < dist)
3858 {
3859 best = sym;
3860 dist = addr.offset - sym->st_value;
3861 if (!dist)
3862 break;
3863 }
3864 }
3865 if (best)
3866 {
3867 *symname = (best->st_name >= aux->strtab_size
3868 ? "<corrupt>" : aux->strtab + best->st_name);
3869 *offset = dist;
3870 return;
3871 }
3872 *symname = NULL;
3873 *offset = addr.offset;
3874 }
3875
3876 static void
3877 dump_ia64_unwind (struct unw_aux_info *aux)
3878 {
3879 bfd_vma addr_size;
3880 struct unw_table_entry *tp;
3881 int in_body;
3882
3883 addr_size = is_32bit_elf ? 4 : 8;
3884
3885 for (tp = aux->table; tp < aux->table + aux->table_len; ++tp)
3886 {
3887 bfd_vma stamp;
3888 bfd_vma offset;
3889 const unsigned char *dp;
3890 const unsigned char *head;
3891 const char *procname;
3892
3893 find_symbol_for_address (aux, tp->start, &procname, &offset);
3894
3895 fputs ("\n<", stdout);
3896
3897 if (procname)
3898 {
3899 fputs (procname, stdout);
3900
3901 if (offset)
3902 printf ("+%lx", (unsigned long) offset);
3903 }
3904
3905 fputs (">: [", stdout);
3906 print_vma (tp->start.offset, PREFIX_HEX);
3907 fputc ('-', stdout);
3908 print_vma (tp->end.offset, PREFIX_HEX);
3909 printf ("], info at +0x%lx\n",
3910 (unsigned long) (tp->info.offset - aux->seg_base));
3911
3912 head = aux->info + (tp->info.offset - aux->info_addr);
3913 stamp = BYTE_GET8 ((unsigned char *) head);
3914
3915 printf (" v%u, flags=0x%lx (%s%s), len=%lu bytes\n",
3916 (unsigned) UNW_VER (stamp),
3917 (unsigned long) ((stamp & UNW_FLAG_MASK) >> 32),
3918 UNW_FLAG_EHANDLER (stamp) ? " ehandler" : "",
3919 UNW_FLAG_UHANDLER (stamp) ? " uhandler" : "",
3920 (unsigned long) (addr_size * UNW_LENGTH (stamp)));
3921
3922 if (UNW_VER (stamp) != 1)
3923 {
3924 printf ("\tUnknown version.\n");
3925 continue;
3926 }
3927
3928 in_body = 0;
3929 for (dp = head + 8; dp < head + 8 + addr_size * UNW_LENGTH (stamp);)
3930 dp = unw_decode (dp, in_body, & in_body);
3931 }
3932 }
3933
3934 static int
3935 slurp_ia64_unwind_table (FILE *file,
3936 struct unw_aux_info *aux,
3937 Elf_Internal_Shdr *sec)
3938 {
3939 unsigned long size, addr_size, nrelas, i;
3940 Elf_Internal_Phdr *seg;
3941 struct unw_table_entry *tep;
3942 Elf_Internal_Shdr *relsec;
3943 Elf_Internal_Rela *rela, *rp;
3944 unsigned char *table, *tp;
3945 Elf_Internal_Sym *sym;
3946 const char *relname;
3947
3948 addr_size = is_32bit_elf ? 4 : 8;
3949
3950 /* First, find the starting address of the segment that includes
3951 this section: */
3952
3953 if (elf_header.e_phnum)
3954 {
3955 if (! get_program_headers (file))
3956 return 0;
3957
3958 for (seg = program_headers;
3959 seg < program_headers + elf_header.e_phnum;
3960 ++seg)
3961 {
3962 if (seg->p_type != PT_LOAD)
3963 continue;
3964
3965 if (sec->sh_addr >= seg->p_vaddr
3966 && (sec->sh_addr + sec->sh_size <= seg->p_vaddr + seg->p_memsz))
3967 {
3968 aux->seg_base = seg->p_vaddr;
3969 break;
3970 }
3971 }
3972 }
3973
3974 /* Second, build the unwind table from the contents of the unwind section: */
3975 size = sec->sh_size;
3976 table = get_data (NULL, file, sec->sh_offset, size, _("unwind table"));
3977 if (!table)
3978 return 0;
3979
3980 tep = aux->table = xmalloc (size / (3 * addr_size) * sizeof (aux->table[0]));
3981 for (tp = table; tp < table + size; tp += 3 * addr_size, ++tep)
3982 {
3983 tep->start.section = SHN_UNDEF;
3984 tep->end.section = SHN_UNDEF;
3985 tep->info.section = SHN_UNDEF;
3986 if (is_32bit_elf)
3987 {
3988 tep->start.offset = byte_get ((unsigned char *) tp + 0, 4);
3989 tep->end.offset = byte_get ((unsigned char *) tp + 4, 4);
3990 tep->info.offset = byte_get ((unsigned char *) tp + 8, 4);
3991 }
3992 else
3993 {
3994 tep->start.offset = BYTE_GET8 ((unsigned char *) tp + 0);
3995 tep->end.offset = BYTE_GET8 ((unsigned char *) tp + 8);
3996 tep->info.offset = BYTE_GET8 ((unsigned char *) tp + 16);
3997 }
3998 tep->start.offset += aux->seg_base;
3999 tep->end.offset += aux->seg_base;
4000 tep->info.offset += aux->seg_base;
4001 }
4002 free (table);
4003
4004 /* Third, apply any relocations to the unwind table: */
4005
4006 for (relsec = section_headers;
4007 relsec < section_headers + elf_header.e_shnum;
4008 ++relsec)
4009 {
4010 if (relsec->sh_type != SHT_RELA
4011 || SECTION_HEADER (relsec->sh_info) != sec)
4012 continue;
4013
4014 if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size,
4015 & rela, & nrelas))
4016 return 0;
4017
4018 for (rp = rela; rp < rela + nrelas; ++rp)
4019 {
4020 if (is_32bit_elf)
4021 {
4022 relname = elf_ia64_reloc_type (ELF32_R_TYPE (rp->r_info));
4023 sym = aux->symtab + ELF32_R_SYM (rp->r_info);
4024
4025 if (ELF32_ST_TYPE (sym->st_info) != STT_SECTION)
4026 {
4027 warn (_("Skipping unexpected symbol type %u\n"),
4028 ELF32_ST_TYPE (sym->st_info));
4029 continue;
4030 }
4031 }
4032 else
4033 {
4034 relname = elf_ia64_reloc_type (ELF64_R_TYPE (rp->r_info));
4035 sym = aux->symtab + ELF64_R_SYM (rp->r_info);
4036
4037 if (ELF64_ST_TYPE (sym->st_info) != STT_SECTION)
4038 {
4039 warn (_("Skipping unexpected symbol type %u\n"),
4040 ELF64_ST_TYPE (sym->st_info));
4041 continue;
4042 }
4043 }
4044
4045 if (strncmp (relname, "R_IA64_SEGREL", 13) != 0)
4046 {
4047 warn (_("Skipping unexpected relocation type %s\n"), relname);
4048 continue;
4049 }
4050
4051 i = rp->r_offset / (3 * addr_size);
4052
4053 switch (rp->r_offset/addr_size % 3)
4054 {
4055 case 0:
4056 aux->table[i].start.section = sym->st_shndx;
4057 aux->table[i].start.offset += rp->r_addend;
4058 break;
4059 case 1:
4060 aux->table[i].end.section = sym->st_shndx;
4061 aux->table[i].end.offset += rp->r_addend;
4062 break;
4063 case 2:
4064 aux->table[i].info.section = sym->st_shndx;
4065 aux->table[i].info.offset += rp->r_addend;
4066 break;
4067 default:
4068 break;
4069 }
4070 }
4071
4072 free (rela);
4073 }
4074
4075 aux->table_len = size / (3 * addr_size);
4076 return 1;
4077 }
4078
4079 static int
4080 process_unwind (FILE *file)
4081 {
4082 Elf_Internal_Shdr *sec, *unwsec = NULL, *strsec;
4083 unsigned long i, addr_size, unwcount = 0, unwstart = 0;
4084 struct unw_aux_info aux;
4085
4086 if (!do_unwind)
4087 return 1;
4088
4089 if (elf_header.e_machine != EM_IA_64)
4090 {
4091 printf (_("\nThere are no unwind sections in this file.\n"));
4092 return 1;
4093 }
4094
4095 memset (& aux, 0, sizeof (aux));
4096
4097 addr_size = is_32bit_elf ? 4 : 8;
4098
4099 for (i = 0, sec = section_headers; i < elf_header.e_shnum; ++i, ++sec)
4100 {
4101 if (sec->sh_type == SHT_SYMTAB)
4102 {
4103 aux.nsyms = sec->sh_size / sec->sh_entsize;
4104 aux.symtab = GET_ELF_SYMBOLS (file, sec);
4105
4106 strsec = SECTION_HEADER (sec->sh_link);
4107 aux.strtab_size = strsec->sh_size;
4108 aux.strtab = get_data (NULL, file, strsec->sh_offset,
4109 aux.strtab_size, _("string table"));
4110 }
4111 else if (sec->sh_type == SHT_IA_64_UNWIND)
4112 unwcount++;
4113 }
4114
4115 if (!unwcount)
4116 printf (_("\nThere are no unwind sections in this file.\n"));
4117
4118 while (unwcount-- > 0)
4119 {
4120 char *suffix;
4121 size_t len, len2;
4122
4123 for (i = unwstart, sec = section_headers + unwstart;
4124 i < elf_header.e_shnum; ++i, ++sec)
4125 if (sec->sh_type == SHT_IA_64_UNWIND)
4126 {
4127 unwsec = sec;
4128 break;
4129 }
4130
4131 unwstart = i + 1;
4132 len = sizeof (ELF_STRING_ia64_unwind_once) - 1;
4133
4134 if (strncmp (SECTION_NAME (unwsec), ELF_STRING_ia64_unwind_once,
4135 len) == 0)
4136 {
4137 /* .gnu.linkonce.ia64unw.FOO -> .gnu.linkonce.ia64unwi.FOO */
4138 len2 = sizeof (ELF_STRING_ia64_unwind_info_once) - 1;
4139 suffix = SECTION_NAME (unwsec) + len;
4140 for (i = 0, sec = section_headers; i < elf_header.e_shnum;
4141 ++i, ++sec)
4142 if (strncmp (SECTION_NAME (sec),
4143 ELF_STRING_ia64_unwind_info_once, len2) == 0
4144 && strcmp (SECTION_NAME (sec) + len2, suffix) == 0)
4145 break;
4146 }
4147 else
4148 {
4149 /* .IA_64.unwindFOO -> .IA_64.unwind_infoFOO
4150 .IA_64.unwind or BAR -> .IA_64.unwind_info */
4151 len = sizeof (ELF_STRING_ia64_unwind) - 1;
4152 len2 = sizeof (ELF_STRING_ia64_unwind_info) - 1;
4153 suffix = "";
4154 if (strncmp (SECTION_NAME (unwsec), ELF_STRING_ia64_unwind,
4155 len) == 0)
4156 suffix = SECTION_NAME (unwsec) + len;
4157 for (i = 0, sec = section_headers; i < elf_header.e_shnum;
4158 ++i, ++sec)
4159 if (strncmp (SECTION_NAME (sec),
4160 ELF_STRING_ia64_unwind_info, len2) == 0
4161 && strcmp (SECTION_NAME (sec) + len2, suffix) == 0)
4162 break;
4163 }
4164
4165 if (i == elf_header.e_shnum)
4166 {
4167 printf (_("\nCould not find unwind info section for "));
4168
4169 if (string_table == NULL)
4170 printf ("%d", unwsec->sh_name);
4171 else
4172 printf (_("'%s'"), SECTION_NAME (unwsec));
4173 }
4174 else
4175 {
4176 aux.info_size = sec->sh_size;
4177 aux.info_addr = sec->sh_addr;
4178 aux.info = get_data (NULL, file, sec->sh_offset, aux.info_size,
4179 _("unwind info"));
4180
4181 printf (_("\nUnwind section "));
4182
4183 if (string_table == NULL)
4184 printf ("%d", unwsec->sh_name);
4185 else
4186 printf (_("'%s'"), SECTION_NAME (unwsec));
4187
4188 printf (_(" at offset 0x%lx contains %lu entries:\n"),
4189 (unsigned long) unwsec->sh_offset,
4190 (unsigned long) (unwsec->sh_size / (3 * addr_size)));
4191
4192 (void) slurp_ia64_unwind_table (file, & aux, unwsec);
4193
4194 if (aux.table_len > 0)
4195 dump_ia64_unwind (& aux);
4196
4197 if (aux.table)
4198 free ((char *) aux.table);
4199 if (aux.info)
4200 free ((char *) aux.info);
4201 aux.table = NULL;
4202 aux.info = NULL;
4203 }
4204 }
4205
4206 if (aux.symtab)
4207 free (aux.symtab);
4208 if (aux.strtab)
4209 free ((char *) aux.strtab);
4210
4211 return 1;
4212 }
4213
4214 static void
4215 dynamic_segment_mips_val (Elf_Internal_Dyn *entry)
4216 {
4217 switch (entry->d_tag)
4218 {
4219 case DT_MIPS_FLAGS:
4220 if (entry->d_un.d_val == 0)
4221 printf ("NONE\n");
4222 else
4223 {
4224 static const char * opts[] =
4225 {
4226 "QUICKSTART", "NOTPOT", "NO_LIBRARY_REPLACEMENT",
4227 "NO_MOVE", "SGI_ONLY", "GUARANTEE_INIT", "DELTA_C_PLUS_PLUS",
4228 "GUARANTEE_START_INIT", "PIXIE", "DEFAULT_DELAY_LOAD",
4229 "REQUICKSTART", "REQUICKSTARTED", "CORD", "NO_UNRES_UNDEF",
4230 "RLD_ORDER_SAFE"
4231 };
4232 unsigned int cnt;
4233 int first = 1;
4234 for (cnt = 0; cnt < NUM_ELEM (opts); ++cnt)
4235 if (entry->d_un.d_val & (1 << cnt))
4236 {
4237 printf ("%s%s", first ? "" : " ", opts[cnt]);
4238 first = 0;
4239 }
4240 puts ("");
4241 }
4242 break;
4243
4244 case DT_MIPS_IVERSION:
4245 if (dynamic_strings != NULL)
4246 printf ("Interface Version: %s\n",
4247 dynamic_strings + entry->d_un.d_val);
4248 else
4249 printf ("%ld\n", (long) entry->d_un.d_ptr);
4250 break;
4251
4252 case DT_MIPS_TIME_STAMP:
4253 {
4254 char timebuf[20];
4255 struct tm *tmp;
4256
4257 time_t time = entry->d_un.d_val;
4258 tmp = gmtime (&time);
4259 sprintf (timebuf, "%04u-%02u-%02uT%02u:%02u:%02u",
4260 tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
4261 tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
4262 printf ("Time Stamp: %s\n", timebuf);
4263 }
4264 break;
4265
4266 case DT_MIPS_RLD_VERSION:
4267 case DT_MIPS_LOCAL_GOTNO:
4268 case DT_MIPS_CONFLICTNO:
4269 case DT_MIPS_LIBLISTNO:
4270 case DT_MIPS_SYMTABNO:
4271 case DT_MIPS_UNREFEXTNO:
4272 case DT_MIPS_HIPAGENO:
4273 case DT_MIPS_DELTA_CLASS_NO:
4274 case DT_MIPS_DELTA_INSTANCE_NO:
4275 case DT_MIPS_DELTA_RELOC_NO:
4276 case DT_MIPS_DELTA_SYM_NO:
4277 case DT_MIPS_DELTA_CLASSSYM_NO:
4278 case DT_MIPS_COMPACT_SIZE:
4279 printf ("%ld\n", (long) entry->d_un.d_ptr);
4280 break;
4281
4282 default:
4283 printf ("%#lx\n", (long) entry->d_un.d_ptr);
4284 }
4285 }
4286
4287
4288 static void
4289 dynamic_segment_parisc_val (Elf_Internal_Dyn *entry)
4290 {
4291 switch (entry->d_tag)
4292 {
4293 case DT_HP_DLD_FLAGS:
4294 {
4295 static struct
4296 {
4297 long int bit;
4298 const char *str;
4299 }
4300 flags[] =
4301 {
4302 { DT_HP_DEBUG_PRIVATE, "HP_DEBUG_PRIVATE" },
4303 { DT_HP_DEBUG_CALLBACK, "HP_DEBUG_CALLBACK" },
4304 { DT_HP_DEBUG_CALLBACK_BOR, "HP_DEBUG_CALLBACK_BOR" },
4305 { DT_HP_NO_ENVVAR, "HP_NO_ENVVAR" },
4306 { DT_HP_BIND_NOW, "HP_BIND_NOW" },
4307 { DT_HP_BIND_NONFATAL, "HP_BIND_NONFATAL" },
4308 { DT_HP_BIND_VERBOSE, "HP_BIND_VERBOSE" },
4309 { DT_HP_BIND_RESTRICTED, "HP_BIND_RESTRICTED" },
4310 { DT_HP_BIND_SYMBOLIC, "HP_BIND_SYMBOLIC" },
4311 { DT_HP_RPATH_FIRST, "HP_RPATH_FIRST" },
4312 { DT_HP_BIND_DEPTH_FIRST, "HP_BIND_DEPTH_FIRST" }
4313 };
4314 int first = 1;
4315 size_t cnt;
4316 bfd_vma val = entry->d_un.d_val;
4317
4318 for (cnt = 0; cnt < sizeof (flags) / sizeof (flags[0]); ++cnt)
4319 if (val & flags[cnt].bit)
4320 {
4321 if (! first)
4322 putchar (' ');
4323 fputs (flags[cnt].str, stdout);
4324 first = 0;
4325 val ^= flags[cnt].bit;
4326 }
4327
4328 if (val != 0 || first)
4329 {
4330 if (! first)
4331 putchar (' ');
4332 print_vma (val, HEX);
4333 }
4334 }
4335 break;
4336
4337 default:
4338 print_vma (entry->d_un.d_ptr, PREFIX_HEX);
4339 break;
4340 }
4341 putchar ('\n');
4342 }
4343
4344 static void
4345 dynamic_segment_ia64_val (Elf_Internal_Dyn *entry)
4346 {
4347 switch (entry->d_tag)
4348 {
4349 case DT_IA_64_PLT_RESERVE:
4350 /* First 3 slots reserved. */
4351 print_vma (entry->d_un.d_ptr, PREFIX_HEX);
4352 printf (" -- ");
4353 print_vma (entry->d_un.d_ptr + (3 * 8), PREFIX_HEX);
4354 break;
4355
4356 default:
4357 print_vma (entry->d_un.d_ptr, PREFIX_HEX);
4358 break;
4359 }
4360 putchar ('\n');
4361 }
4362
4363 static int
4364 get_32bit_dynamic_segment (FILE *file)
4365 {
4366 Elf32_External_Dyn *edyn;
4367 Elf_Internal_Dyn *entry;
4368 bfd_size_type i;
4369
4370 edyn = get_data (NULL, file, dynamic_addr, dynamic_size,
4371 _("dynamic segment"));
4372 if (!edyn)
4373 return 0;
4374
4375 /* SGI's ELF has more than one section in the DYNAMIC segment. Determine
4376 how large this .dynamic is now. We can do this even before the byte
4377 swapping since the DT_NULL tag is recognizable. */
4378 dynamic_size = 0;
4379 while (*(Elf32_Word *) edyn[dynamic_size++].d_tag != DT_NULL)
4380 ;
4381
4382 dynamic_segment = malloc (dynamic_size * sizeof (Elf_Internal_Dyn));
4383
4384 if (dynamic_segment == NULL)
4385 {
4386 error (_("Out of memory\n"));
4387 free (edyn);
4388 return 0;
4389 }
4390
4391 for (i = 0, entry = dynamic_segment;
4392 i < dynamic_size;
4393 i++, entry++)
4394 {
4395 entry->d_tag = BYTE_GET (edyn[i].d_tag);
4396 entry->d_un.d_val = BYTE_GET (edyn[i].d_un.d_val);
4397 }
4398
4399 free (edyn);
4400
4401 return 1;
4402 }
4403
4404 static int
4405 get_64bit_dynamic_segment (FILE *file)
4406 {
4407 Elf64_External_Dyn *edyn;
4408 Elf_Internal_Dyn *entry;
4409 bfd_size_type i;
4410
4411 edyn = get_data (NULL, file, dynamic_addr, dynamic_size,
4412 _("dynamic segment"));
4413 if (!edyn)
4414 return 0;
4415
4416 /* SGI's ELF has more than one section in the DYNAMIC segment. Determine
4417 how large this .dynamic is now. We can do this even before the byte
4418 swapping since the DT_NULL tag is recognizable. */
4419 dynamic_size = 0;
4420 while (*(bfd_vma *) edyn[dynamic_size++].d_tag != DT_NULL)
4421 ;
4422
4423 dynamic_segment = malloc (dynamic_size * sizeof (Elf_Internal_Dyn));
4424
4425 if (dynamic_segment == NULL)
4426 {
4427 error (_("Out of memory\n"));
4428 free (edyn);
4429 return 0;
4430 }
4431
4432 for (i = 0, entry = dynamic_segment;
4433 i < dynamic_size;
4434 i++, entry++)
4435 {
4436 entry->d_tag = BYTE_GET8 (edyn[i].d_tag);
4437 entry->d_un.d_val = BYTE_GET8 (edyn[i].d_un.d_val);
4438 }
4439
4440 free (edyn);
4441
4442 return 1;
4443 }
4444
4445 static const char *
4446 get_dynamic_flags (bfd_vma flags)
4447 {
4448 static char buff[128];
4449 char *p = buff;
4450
4451 *p = '\0';
4452 while (flags)
4453 {
4454 bfd_vma flag;
4455
4456 flag = flags & - flags;
4457 flags &= ~ flag;
4458
4459 if (p != buff)
4460 *p++ = ' ';
4461
4462 switch (flag)
4463 {
4464 case DF_ORIGIN: strcpy (p, "ORIGIN"); break;
4465 case DF_SYMBOLIC: strcpy (p, "SYMBOLIC"); break;
4466 case DF_TEXTREL: strcpy (p, "TEXTREL"); break;
4467 case DF_BIND_NOW: strcpy (p, "BIND_NOW"); break;
4468 case DF_STATIC_TLS: strcpy (p, "STATIC_TLS"); break;
4469 default: strcpy (p, "unknown"); break;
4470 }
4471
4472 p = strchr (p, '\0');
4473 }
4474 return buff;
4475 }
4476
4477 /* Parse and display the contents of the dynamic segment. */
4478 static int
4479 process_dynamic_segment (FILE *file)
4480 {
4481 Elf_Internal_Dyn *entry;
4482 bfd_size_type i;
4483
4484 if (dynamic_size == 0)
4485 {
4486 if (do_dynamic)
4487 printf (_("\nThere is no dynamic segment in this file.\n"));
4488
4489 return 1;
4490 }
4491
4492 if (is_32bit_elf)
4493 {
4494 if (! get_32bit_dynamic_segment (file))
4495 return 0;
4496 }
4497 else if (! get_64bit_dynamic_segment (file))
4498 return 0;
4499
4500 /* Find the appropriate symbol table. */
4501 if (dynamic_symbols == NULL)
4502 {
4503 for (i = 0, entry = dynamic_segment;
4504 i < dynamic_size;
4505 ++i, ++entry)
4506 {
4507 Elf_Internal_Shdr section;
4508
4509 if (entry->d_tag != DT_SYMTAB)
4510 continue;
4511
4512 dynamic_info[DT_SYMTAB] = entry->d_un.d_val;
4513
4514 /* Since we do not know how big the symbol table is,
4515 we default to reading in the entire file (!) and
4516 processing that. This is overkill, I know, but it
4517 should work. */
4518 section.sh_offset = offset_from_vma (file, entry->d_un.d_val, 0);
4519
4520 if (archive_file_offset != 0)
4521 section.sh_size = archive_file_size - section.sh_offset;
4522 else
4523 {
4524 if (fseek (file, 0, SEEK_END))
4525 error (_("Unable to seek to end of file!"));
4526
4527 section.sh_size = ftell (file) - section.sh_offset;
4528 }
4529
4530 if (is_32bit_elf)
4531 section.sh_entsize = sizeof (Elf32_External_Sym);
4532 else
4533 section.sh_entsize = sizeof (Elf64_External_Sym);
4534
4535 num_dynamic_syms = section.sh_size / section.sh_entsize;
4536 if (num_dynamic_syms < 1)
4537 {
4538 error (_("Unable to determine the number of symbols to load\n"));
4539 continue;
4540 }
4541
4542 dynamic_symbols = GET_ELF_SYMBOLS (file, &section);
4543 }
4544 }
4545
4546 /* Similarly find a string table. */
4547 if (dynamic_strings == NULL)
4548 {
4549 for (i = 0, entry = dynamic_segment;
4550 i < dynamic_size;
4551 ++i, ++entry)
4552 {
4553 unsigned long offset;
4554 long str_tab_len;
4555
4556 if (entry->d_tag != DT_STRTAB)
4557 continue;
4558
4559 dynamic_info[DT_STRTAB] = entry->d_un.d_val;
4560
4561 /* Since we do not know how big the string table is,
4562 we default to reading in the entire file (!) and
4563 processing that. This is overkill, I know, but it
4564 should work. */
4565
4566 offset = offset_from_vma (file, entry->d_un.d_val, 0);
4567
4568 if (archive_file_offset != 0)
4569 str_tab_len = archive_file_size - offset;
4570 else
4571 {
4572 if (fseek (file, 0, SEEK_END))
4573 error (_("Unable to seek to end of file\n"));
4574 str_tab_len = ftell (file) - offset;
4575 }
4576
4577 if (str_tab_len < 1)
4578 {
4579 error
4580 (_("Unable to determine the length of the dynamic string table\n"));
4581 continue;
4582 }
4583
4584 dynamic_strings = get_data (NULL, file, offset, str_tab_len,
4585 _("dynamic string table"));
4586 break;
4587 }
4588 }
4589
4590 /* And find the syminfo section if available. */
4591 if (dynamic_syminfo == NULL)
4592 {
4593 unsigned long syminsz = 0;
4594
4595 for (i = 0, entry = dynamic_segment;
4596 i < dynamic_size;
4597 ++i, ++entry)
4598 {
4599 if (entry->d_tag == DT_SYMINENT)
4600 {
4601 /* Note: these braces are necessary to avoid a syntax
4602 error from the SunOS4 C compiler. */
4603 assert (sizeof (Elf_External_Syminfo) == entry->d_un.d_val);
4604 }
4605 else if (entry->d_tag == DT_SYMINSZ)
4606 syminsz = entry->d_un.d_val;
4607 else if (entry->d_tag == DT_SYMINFO)
4608 dynamic_syminfo_offset = offset_from_vma (file, entry->d_un.d_val,
4609 syminsz);
4610 }
4611
4612 if (dynamic_syminfo_offset != 0 && syminsz != 0)
4613 {
4614 Elf_External_Syminfo *extsyminfo;
4615 Elf_Internal_Syminfo *syminfo;
4616
4617 /* There is a syminfo section. Read the data. */
4618 extsyminfo = get_data (NULL, file, dynamic_syminfo_offset, syminsz,
4619 _("symbol information"));
4620 if (!extsyminfo)
4621 return 0;
4622
4623 dynamic_syminfo = malloc (syminsz);
4624 if (dynamic_syminfo == NULL)
4625 {
4626 error (_("Out of memory\n"));
4627 return 0;
4628 }
4629
4630 dynamic_syminfo_nent = syminsz / sizeof (Elf_External_Syminfo);
4631 for (i = 0, syminfo = dynamic_syminfo; i < dynamic_syminfo_nent;
4632 ++i, ++syminfo)
4633 {
4634 syminfo->si_boundto = BYTE_GET (extsyminfo[i].si_boundto);
4635 syminfo->si_flags = BYTE_GET (extsyminfo[i].si_flags);
4636 }
4637
4638 free (extsyminfo);
4639 }
4640 }
4641
4642 if (do_dynamic && dynamic_addr)
4643 printf (_("\nDynamic segment at offset 0x%lx contains %ld entries:\n"),
4644 dynamic_addr, (long) dynamic_size);
4645 if (do_dynamic)
4646 printf (_(" Tag Type Name/Value\n"));
4647
4648 for (i = 0, entry = dynamic_segment;
4649 i < dynamic_size;
4650 i++, entry++)
4651 {
4652 if (do_dynamic)
4653 {
4654 const char *dtype;
4655
4656 putchar (' ');
4657 print_vma (entry->d_tag, FULL_HEX);
4658 dtype = get_dynamic_type (entry->d_tag);
4659 printf (" (%s)%*s", dtype,
4660 ((is_32bit_elf ? 27 : 19)
4661 - (int) strlen (dtype)),
4662 " ");
4663 }
4664
4665 switch (entry->d_tag)
4666 {
4667 case DT_FLAGS:
4668 if (do_dynamic)
4669 puts (get_dynamic_flags (entry->d_un.d_val));
4670 break;
4671
4672 case DT_AUXILIARY:
4673 case DT_FILTER:
4674 case DT_CONFIG:
4675 case DT_DEPAUDIT:
4676 case DT_AUDIT:
4677 if (do_dynamic)
4678 {
4679 switch (entry->d_tag)
4680 {
4681 case DT_AUXILIARY:
4682 printf (_("Auxiliary library"));
4683 break;
4684
4685 case DT_FILTER:
4686 printf (_("Filter library"));
4687 break;
4688
4689 case DT_CONFIG:
4690 printf (_("Configuration file"));
4691 break;
4692
4693 case DT_DEPAUDIT:
4694 printf (_("Dependency audit library"));
4695 break;
4696
4697 case DT_AUDIT:
4698 printf (_("Audit library"));
4699 break;
4700 }
4701
4702 if (dynamic_strings)
4703 printf (": [%s]\n", dynamic_strings + entry->d_un.d_val);
4704 else
4705 {
4706 printf (": ");
4707 print_vma (entry->d_un.d_val, PREFIX_HEX);
4708 putchar ('\n');
4709 }
4710 }
4711 break;
4712
4713 case DT_FEATURE:
4714 if (do_dynamic)
4715 {
4716 printf (_("Flags:"));
4717
4718 if (entry->d_un.d_val == 0)
4719 printf (_(" None\n"));
4720 else
4721 {
4722 unsigned long int val = entry->d_un.d_val;
4723
4724 if (val & DTF_1_PARINIT)
4725 {
4726 printf (" PARINIT");
4727 val ^= DTF_1_PARINIT;
4728 }
4729 if (val & DTF_1_CONFEXP)
4730 {
4731 printf (" CONFEXP");
4732 val ^= DTF_1_CONFEXP;
4733 }
4734 if (val != 0)
4735 printf (" %lx", val);
4736 puts ("");
4737 }
4738 }
4739 break;
4740
4741 case DT_POSFLAG_1:
4742 if (do_dynamic)
4743 {
4744 printf (_("Flags:"));
4745
4746 if (entry->d_un.d_val == 0)
4747 printf (_(" None\n"));
4748 else
4749 {
4750 unsigned long int val = entry->d_un.d_val;
4751
4752 if (val & DF_P1_LAZYLOAD)
4753 {
4754 printf (" LAZYLOAD");
4755 val ^= DF_P1_LAZYLOAD;
4756 }
4757 if (val & DF_P1_GROUPPERM)
4758 {
4759 printf (" GROUPPERM");
4760 val ^= DF_P1_GROUPPERM;
4761 }
4762 if (val != 0)
4763 printf (" %lx", val);
4764 puts ("");
4765 }
4766 }
4767 break;
4768
4769 case DT_FLAGS_1:
4770 if (do_dynamic)
4771 {
4772 printf (_("Flags:"));
4773 if (entry->d_un.d_val == 0)
4774 printf (_(" None\n"));
4775 else
4776 {
4777 unsigned long int val = entry->d_un.d_val;
4778
4779 if (val & DF_1_NOW)
4780 {
4781 printf (" NOW");
4782 val ^= DF_1_NOW;
4783 }
4784 if (val & DF_1_GLOBAL)
4785 {
4786 printf (" GLOBAL");
4787 val ^= DF_1_GLOBAL;
4788 }
4789 if (val & DF_1_GROUP)
4790 {
4791 printf (" GROUP");
4792 val ^= DF_1_GROUP;
4793 }
4794 if (val & DF_1_NODELETE)
4795 {
4796 printf (" NODELETE");
4797 val ^= DF_1_NODELETE;
4798 }
4799 if (val & DF_1_LOADFLTR)
4800 {
4801 printf (" LOADFLTR");
4802 val ^= DF_1_LOADFLTR;
4803 }
4804 if (val & DF_1_INITFIRST)
4805 {
4806 printf (" INITFIRST");
4807 val ^= DF_1_INITFIRST;
4808 }
4809 if (val & DF_1_NOOPEN)
4810 {
4811 printf (" NOOPEN");
4812 val ^= DF_1_NOOPEN;
4813 }
4814 if (val & DF_1_ORIGIN)
4815 {
4816 printf (" ORIGIN");
4817 val ^= DF_1_ORIGIN;
4818 }
4819 if (val & DF_1_DIRECT)
4820 {
4821 printf (" DIRECT");
4822 val ^= DF_1_DIRECT;
4823 }
4824 if (val & DF_1_TRANS)
4825 {
4826 printf (" TRANS");
4827 val ^= DF_1_TRANS;
4828 }
4829 if (val & DF_1_INTERPOSE)
4830 {
4831 printf (" INTERPOSE");
4832 val ^= DF_1_INTERPOSE;
4833 }
4834 if (val & DF_1_NODEFLIB)
4835 {
4836 printf (" NODEFLIB");
4837 val ^= DF_1_NODEFLIB;
4838 }
4839 if (val & DF_1_NODUMP)
4840 {
4841 printf (" NODUMP");
4842 val ^= DF_1_NODUMP;
4843 }
4844 if (val & DF_1_CONLFAT)
4845 {
4846 printf (" CONLFAT");
4847 val ^= DF_1_CONLFAT;
4848 }
4849 if (val != 0)
4850 printf (" %lx", val);
4851 puts ("");
4852 }
4853 }
4854 break;
4855
4856 case DT_PLTREL:
4857 dynamic_info[entry->d_tag] = entry->d_un.d_val;
4858 if (do_dynamic)
4859 puts (get_dynamic_type (entry->d_un.d_val));
4860 break;
4861
4862 case DT_NULL :
4863 case DT_NEEDED :
4864 case DT_PLTGOT :
4865 case DT_HASH :
4866 case DT_STRTAB :
4867 case DT_SYMTAB :
4868 case DT_RELA :
4869 case DT_INIT :
4870 case DT_FINI :
4871 case DT_SONAME :
4872 case DT_RPATH :
4873 case DT_SYMBOLIC:
4874 case DT_REL :
4875 case DT_DEBUG :
4876 case DT_TEXTREL :
4877 case DT_JMPREL :
4878 case DT_RUNPATH :
4879 dynamic_info[entry->d_tag] = entry->d_un.d_val;
4880
4881 if (do_dynamic)
4882 {
4883 char *name;
4884
4885 if (dynamic_strings == NULL)
4886 name = NULL;
4887 else
4888 name = dynamic_strings + entry->d_un.d_val;
4889
4890 if (name)
4891 {
4892 switch (entry->d_tag)
4893 {
4894 case DT_NEEDED:
4895 printf (_("Shared library: [%s]"), name);
4896
4897 if (strcmp (name, program_interpreter) == 0)
4898 printf (_(" program interpreter"));
4899 break;
4900
4901 case DT_SONAME:
4902 printf (_("Library soname: [%s]"), name);
4903 break;
4904
4905 case DT_RPATH:
4906 printf (_("Library rpath: [%s]"), name);
4907 break;
4908
4909 case DT_RUNPATH:
4910 printf (_("Library runpath: [%s]"), name);
4911 break;
4912
4913 default:
4914 print_vma (entry->d_un.d_val, PREFIX_HEX);
4915 break;
4916 }
4917 }
4918 else
4919 print_vma (entry->d_un.d_val, PREFIX_HEX);
4920
4921 putchar ('\n');
4922 }
4923 break;
4924
4925 case DT_PLTRELSZ:
4926 case DT_RELASZ :
4927 case DT_STRSZ :
4928 case DT_RELSZ :
4929 case DT_RELAENT :
4930 case DT_SYMENT :
4931 case DT_RELENT :
4932 dynamic_info[entry->d_tag] = entry->d_un.d_val;
4933 case DT_PLTPADSZ:
4934 case DT_MOVEENT :
4935 case DT_MOVESZ :
4936 case DT_INIT_ARRAYSZ:
4937 case DT_FINI_ARRAYSZ:
4938 case DT_GNU_CONFLICTSZ:
4939 case DT_GNU_LIBLISTSZ:
4940 if (do_dynamic)
4941 {
4942 print_vma (entry->d_un.d_val, UNSIGNED);
4943 printf (" (bytes)\n");
4944 }
4945 break;
4946
4947 case DT_VERDEFNUM:
4948 case DT_VERNEEDNUM:
4949 case DT_RELACOUNT:
4950 case DT_RELCOUNT:
4951 if (do_dynamic)
4952 {
4953 print_vma (entry->d_un.d_val, UNSIGNED);
4954 putchar ('\n');
4955 }
4956 break;
4957
4958 case DT_SYMINSZ:
4959 case DT_SYMINENT:
4960 case DT_SYMINFO:
4961 case DT_USED:
4962 case DT_INIT_ARRAY:
4963 case DT_FINI_ARRAY:
4964 if (do_dynamic)
4965 {
4966 if (dynamic_strings != NULL && entry->d_tag == DT_USED)
4967 {
4968 char *name;
4969
4970 name = dynamic_strings + entry->d_un.d_val;
4971
4972 if (*name)
4973 {
4974 printf (_("Not needed object: [%s]\n"), name);
4975 break;
4976 }
4977 }
4978
4979 print_vma (entry->d_un.d_val, PREFIX_HEX);
4980 putchar ('\n');
4981 }
4982 break;
4983
4984 case DT_BIND_NOW:
4985 /* The value of this entry is ignored. */
4986 if (do_dynamic)
4987 putchar ('\n');
4988 break;
4989
4990 case DT_GNU_PRELINKED:
4991 if (do_dynamic)
4992 {
4993 struct tm *tmp;
4994 time_t time = entry->d_un.d_val;
4995
4996 tmp = gmtime (&time);
4997 printf ("%04u-%02u-%02uT%02u:%02u:%02u\n",
4998 tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
4999 tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
5000
5001 }
5002 break;
5003
5004 default:
5005 if ((entry->d_tag >= DT_VERSYM) && (entry->d_tag <= DT_VERNEEDNUM))
5006 version_info[DT_VERSIONTAGIDX (entry->d_tag)] =
5007 entry->d_un.d_val;
5008
5009 if (do_dynamic)
5010 {
5011 switch (elf_header.e_machine)
5012 {
5013 case EM_MIPS:
5014 case EM_MIPS_RS3_LE:
5015 dynamic_segment_mips_val (entry);
5016 break;
5017 case EM_PARISC:
5018 dynamic_segment_parisc_val (entry);
5019 break;
5020 case EM_IA_64:
5021 dynamic_segment_ia64_val (entry);
5022 break;
5023 default:
5024 print_vma (entry->d_un.d_val, PREFIX_HEX);
5025 putchar ('\n');
5026 }
5027 }
5028 break;
5029 }
5030 }
5031
5032 return 1;
5033 }
5034
5035 static char *
5036 get_ver_flags (unsigned int flags)
5037 {
5038 static char buff[32];
5039
5040 buff[0] = 0;
5041
5042 if (flags == 0)
5043 return _("none");
5044
5045 if (flags & VER_FLG_BASE)
5046 strcat (buff, "BASE ");
5047
5048 if (flags & VER_FLG_WEAK)
5049 {
5050 if (flags & VER_FLG_BASE)
5051 strcat (buff, "| ");
5052
5053 strcat (buff, "WEAK ");
5054 }
5055
5056 if (flags & ~(VER_FLG_BASE | VER_FLG_WEAK))
5057 strcat (buff, "| <unknown>");
5058
5059 return buff;
5060 }
5061
5062 /* Display the contents of the version sections. */
5063 static int
5064 process_version_sections (FILE *file)
5065 {
5066 Elf_Internal_Shdr *section;
5067 unsigned i;
5068 int found = 0;
5069
5070 if (! do_version)
5071 return 1;
5072
5073 for (i = 0, section = section_headers;
5074 i < elf_header.e_shnum;
5075 i++, section++)
5076 {
5077 switch (section->sh_type)
5078 {
5079 case SHT_GNU_verdef:
5080 {
5081 Elf_External_Verdef *edefs;
5082 unsigned int idx;
5083 unsigned int cnt;
5084
5085 found = 1;
5086
5087 printf
5088 (_("\nVersion definition section '%s' contains %ld entries:\n"),
5089 SECTION_NAME (section), section->sh_info);
5090
5091 printf (_(" Addr: 0x"));
5092 printf_vma (section->sh_addr);
5093 printf (_(" Offset: %#08lx Link: %lx (%s)\n"),
5094 (unsigned long) section->sh_offset, section->sh_link,
5095 SECTION_NAME (SECTION_HEADER (section->sh_link)));
5096
5097 edefs = get_data (NULL, file, section->sh_offset, section->sh_size,
5098 _("version definition section"));
5099 if (!edefs)
5100 break;
5101
5102 for (idx = cnt = 0; cnt < section->sh_info; ++cnt)
5103 {
5104 char *vstart;
5105 Elf_External_Verdef *edef;
5106 Elf_Internal_Verdef ent;
5107 Elf_External_Verdaux *eaux;
5108 Elf_Internal_Verdaux aux;
5109 int j;
5110 int isum;
5111
5112 vstart = ((char *) edefs) + idx;
5113
5114 edef = (Elf_External_Verdef *) vstart;
5115
5116 ent.vd_version = BYTE_GET (edef->vd_version);
5117 ent.vd_flags = BYTE_GET (edef->vd_flags);
5118 ent.vd_ndx = BYTE_GET (edef->vd_ndx);
5119 ent.vd_cnt = BYTE_GET (edef->vd_cnt);
5120 ent.vd_hash = BYTE_GET (edef->vd_hash);
5121 ent.vd_aux = BYTE_GET (edef->vd_aux);
5122 ent.vd_next = BYTE_GET (edef->vd_next);
5123
5124 printf (_(" %#06x: Rev: %d Flags: %s"),
5125 idx, ent.vd_version, get_ver_flags (ent.vd_flags));
5126
5127 printf (_(" Index: %d Cnt: %d "),
5128 ent.vd_ndx, ent.vd_cnt);
5129
5130 vstart += ent.vd_aux;
5131
5132 eaux = (Elf_External_Verdaux *) vstart;
5133
5134 aux.vda_name = BYTE_GET (eaux->vda_name);
5135 aux.vda_next = BYTE_GET (eaux->vda_next);
5136
5137 if (dynamic_strings)
5138 printf (_("Name: %s\n"), dynamic_strings + aux.vda_name);
5139 else
5140 printf (_("Name index: %ld\n"), aux.vda_name);
5141
5142 isum = idx + ent.vd_aux;
5143
5144 for (j = 1; j < ent.vd_cnt; j++)
5145 {
5146 isum += aux.vda_next;
5147 vstart += aux.vda_next;
5148
5149 eaux = (Elf_External_Verdaux *) vstart;
5150
5151 aux.vda_name = BYTE_GET (eaux->vda_name);
5152 aux.vda_next = BYTE_GET (eaux->vda_next);
5153
5154 if (dynamic_strings)
5155 printf (_(" %#06x: Parent %d: %s\n"),
5156 isum, j, dynamic_strings + aux.vda_name);
5157 else
5158 printf (_(" %#06x: Parent %d, name index: %ld\n"),
5159 isum, j, aux.vda_name);
5160 }
5161
5162 idx += ent.vd_next;
5163 }
5164
5165 free (edefs);
5166 }
5167 break;
5168
5169 case SHT_GNU_verneed:
5170 {
5171 Elf_External_Verneed *eneed;
5172 unsigned int idx;
5173 unsigned int cnt;
5174
5175 found = 1;
5176
5177 printf (_("\nVersion needs section '%s' contains %ld entries:\n"),
5178 SECTION_NAME (section), section->sh_info);
5179
5180 printf (_(" Addr: 0x"));
5181 printf_vma (section->sh_addr);
5182 printf (_(" Offset: %#08lx Link to section: %ld (%s)\n"),
5183 (unsigned long) section->sh_offset, section->sh_link,
5184 SECTION_NAME (SECTION_HEADER (section->sh_link)));
5185
5186 eneed = get_data (NULL, file, section->sh_offset, section->sh_size,
5187 _("version need section"));
5188 if (!eneed)
5189 break;
5190
5191 for (idx = cnt = 0; cnt < section->sh_info; ++cnt)
5192 {
5193 Elf_External_Verneed *entry;
5194 Elf_Internal_Verneed ent;
5195 int j;
5196 int isum;
5197 char *vstart;
5198
5199 vstart = ((char *) eneed) + idx;
5200
5201 entry = (Elf_External_Verneed *) vstart;
5202
5203 ent.vn_version = BYTE_GET (entry->vn_version);
5204 ent.vn_cnt = BYTE_GET (entry->vn_cnt);
5205 ent.vn_file = BYTE_GET (entry->vn_file);
5206 ent.vn_aux = BYTE_GET (entry->vn_aux);
5207 ent.vn_next = BYTE_GET (entry->vn_next);
5208
5209 printf (_(" %#06x: Version: %d"), idx, ent.vn_version);
5210
5211 if (dynamic_strings)
5212 printf (_(" File: %s"), dynamic_strings + ent.vn_file);
5213 else
5214 printf (_(" File: %lx"), ent.vn_file);
5215
5216 printf (_(" Cnt: %d\n"), ent.vn_cnt);
5217
5218 vstart += ent.vn_aux;
5219
5220 for (j = 0, isum = idx + ent.vn_aux; j < ent.vn_cnt; ++j)
5221 {
5222 Elf_External_Vernaux *eaux;
5223 Elf_Internal_Vernaux aux;
5224
5225 eaux = (Elf_External_Vernaux *) vstart;
5226
5227 aux.vna_hash = BYTE_GET (eaux->vna_hash);
5228 aux.vna_flags = BYTE_GET (eaux->vna_flags);
5229 aux.vna_other = BYTE_GET (eaux->vna_other);
5230 aux.vna_name = BYTE_GET (eaux->vna_name);
5231 aux.vna_next = BYTE_GET (eaux->vna_next);
5232
5233 if (dynamic_strings)
5234 printf (_(" %#06x: Name: %s"),
5235 isum, dynamic_strings + aux.vna_name);
5236 else
5237 printf (_(" %#06x: Name index: %lx"),
5238 isum, aux.vna_name);
5239
5240 printf (_(" Flags: %s Version: %d\n"),
5241 get_ver_flags (aux.vna_flags), aux.vna_other);
5242
5243 isum += aux.vna_next;
5244 vstart += aux.vna_next;
5245 }
5246
5247 idx += ent.vn_next;
5248 }
5249
5250 free (eneed);
5251 }
5252 break;
5253
5254 case SHT_GNU_versym:
5255 {
5256 Elf_Internal_Shdr *link_section;
5257 int total;
5258 int cnt;
5259 unsigned char *edata;
5260 unsigned short *data;
5261 char *strtab;
5262 Elf_Internal_Sym *symbols;
5263 Elf_Internal_Shdr *string_sec;
5264 long off;
5265
5266 link_section = SECTION_HEADER (section->sh_link);
5267 total = section->sh_size / section->sh_entsize;
5268
5269 found = 1;
5270
5271 symbols = GET_ELF_SYMBOLS (file, link_section);
5272
5273 string_sec = SECTION_HEADER (link_section->sh_link);
5274
5275 strtab = get_data (NULL, file, string_sec->sh_offset,
5276 string_sec->sh_size, _("version string table"));
5277 if (!strtab)
5278 break;
5279
5280 printf (_("\nVersion symbols section '%s' contains %d entries:\n"),
5281 SECTION_NAME (section), total);
5282
5283 printf (_(" Addr: "));
5284 printf_vma (section->sh_addr);
5285 printf (_(" Offset: %#08lx Link: %lx (%s)\n"),
5286 (unsigned long) section->sh_offset, section->sh_link,
5287 SECTION_NAME (link_section));
5288
5289 off = offset_from_vma (file,
5290 version_info[DT_VERSIONTAGIDX (DT_VERSYM)],
5291 total * sizeof (short));
5292 edata = get_data (NULL, file, off, total * sizeof (short),
5293 _("version symbol data"));
5294 if (!edata)
5295 {
5296 free (strtab);
5297 break;
5298 }
5299
5300 data = malloc (total * sizeof (short));
5301
5302 for (cnt = total; cnt --;)
5303 data[cnt] = byte_get (edata + cnt * sizeof (short),
5304 sizeof (short));
5305
5306 free (edata);
5307
5308 for (cnt = 0; cnt < total; cnt += 4)
5309 {
5310 int j, nn;
5311 int check_def, check_need;
5312 char *name;
5313
5314 printf (" %03x:", cnt);
5315
5316 for (j = 0; (j < 4) && (cnt + j) < total; ++j)
5317 switch (data[cnt + j])
5318 {
5319 case 0:
5320 fputs (_(" 0 (*local*) "), stdout);
5321 break;
5322
5323 case 1:
5324 fputs (_(" 1 (*global*) "), stdout);
5325 break;
5326
5327 default:
5328 nn = printf ("%4x%c", data[cnt + j] & 0x7fff,
5329 data[cnt + j] & 0x8000 ? 'h' : ' ');
5330
5331 check_def = 1;
5332 check_need = 1;
5333 if (SECTION_HEADER (symbols[cnt + j].st_shndx)->sh_type
5334 != SHT_NOBITS)
5335 {
5336 if (symbols[cnt + j].st_shndx == SHN_UNDEF)
5337 check_def = 0;
5338 else
5339 check_need = 0;
5340 }
5341
5342 if (check_need
5343 && version_info[DT_VERSIONTAGIDX (DT_VERNEED)])
5344 {
5345 Elf_Internal_Verneed ivn;
5346 unsigned long offset;
5347
5348 offset = offset_from_vma
5349 (file, version_info[DT_VERSIONTAGIDX (DT_VERNEED)],
5350 sizeof (Elf_External_Verneed));
5351
5352 do
5353 {
5354 Elf_Internal_Vernaux ivna;
5355 Elf_External_Verneed evn;
5356 Elf_External_Vernaux evna;
5357 unsigned long a_off;
5358
5359 get_data (&evn, file, offset, sizeof (evn),
5360 _("version need"));
5361
5362 ivn.vn_aux = BYTE_GET (evn.vn_aux);
5363 ivn.vn_next = BYTE_GET (evn.vn_next);
5364
5365 a_off = offset + ivn.vn_aux;
5366
5367 do
5368 {
5369 get_data (&evna, file, a_off, sizeof (evna),
5370 _("version need aux (2)"));
5371
5372 ivna.vna_next = BYTE_GET (evna.vna_next);
5373 ivna.vna_other = BYTE_GET (evna.vna_other);
5374
5375 a_off += ivna.vna_next;
5376 }
5377 while (ivna.vna_other != data[cnt + j]
5378 && ivna.vna_next != 0);
5379
5380 if (ivna.vna_other == data[cnt + j])
5381 {
5382 ivna.vna_name = BYTE_GET (evna.vna_name);
5383
5384 name = strtab + ivna.vna_name;
5385 nn += printf ("(%s%-*s",
5386 name,
5387 12 - (int) strlen (name),
5388 ")");
5389 check_def = 0;
5390 break;
5391 }
5392
5393 offset += ivn.vn_next;
5394 }
5395 while (ivn.vn_next);
5396 }
5397
5398 if (check_def && data[cnt + j] != 0x8001
5399 && version_info[DT_VERSIONTAGIDX (DT_VERDEF)])
5400 {
5401 Elf_Internal_Verdef ivd;
5402 Elf_External_Verdef evd;
5403 unsigned long offset;
5404
5405 offset = offset_from_vma
5406 (file, version_info[DT_VERSIONTAGIDX (DT_VERDEF)],
5407 sizeof evd);
5408
5409 do
5410 {
5411 get_data (&evd, file, offset, sizeof (evd),
5412 _("version def"));
5413
5414 ivd.vd_next = BYTE_GET (evd.vd_next);
5415 ivd.vd_ndx = BYTE_GET (evd.vd_ndx);
5416
5417 offset += ivd.vd_next;
5418 }
5419 while (ivd.vd_ndx != (data[cnt + j] & 0x7fff)
5420 && ivd.vd_next != 0);
5421
5422 if (ivd.vd_ndx == (data[cnt + j] & 0x7fff))
5423 {
5424 Elf_External_Verdaux evda;
5425 Elf_Internal_Verdaux ivda;
5426
5427 ivd.vd_aux = BYTE_GET (evd.vd_aux);
5428
5429 get_data (&evda, file,
5430 offset - ivd.vd_next + ivd.vd_aux,
5431 sizeof (evda), _("version def aux"));
5432
5433 ivda.vda_name = BYTE_GET (evda.vda_name);
5434
5435 name = strtab + ivda.vda_name;
5436 nn += printf ("(%s%-*s",
5437 name,
5438 12 - (int) strlen (name),
5439 ")");
5440 }
5441 }
5442
5443 if (nn < 18)
5444 printf ("%*c", 18 - nn, ' ');
5445 }
5446
5447 putchar ('\n');
5448 }
5449
5450 free (data);
5451 free (strtab);
5452 free (symbols);
5453 }
5454 break;
5455
5456 default:
5457 break;
5458 }
5459 }
5460
5461 if (! found)
5462 printf (_("\nNo version information found in this file.\n"));
5463
5464 return 1;
5465 }
5466
5467 static const char *
5468 get_symbol_binding (unsigned int binding)
5469 {
5470 static char buff[32];
5471
5472 switch (binding)
5473 {
5474 case STB_LOCAL: return "LOCAL";
5475 case STB_GLOBAL: return "GLOBAL";
5476 case STB_WEAK: return "WEAK";
5477 default:
5478 if (binding >= STB_LOPROC && binding <= STB_HIPROC)
5479 sprintf (buff, _("<processor specific>: %d"), binding);
5480 else if (binding >= STB_LOOS && binding <= STB_HIOS)
5481 sprintf (buff, _("<OS specific>: %d"), binding);
5482 else
5483 sprintf (buff, _("<unknown>: %d"), binding);
5484 return buff;
5485 }
5486 }
5487
5488 static const char *
5489 get_symbol_type (unsigned int type)
5490 {
5491 static char buff[32];
5492
5493 switch (type)
5494 {
5495 case STT_NOTYPE: return "NOTYPE";
5496 case STT_OBJECT: return "OBJECT";
5497 case STT_FUNC: return "FUNC";
5498 case STT_SECTION: return "SECTION";
5499 case STT_FILE: return "FILE";
5500 case STT_COMMON: return "COMMON";
5501 case STT_TLS: return "TLS";
5502 default:
5503 if (type >= STT_LOPROC && type <= STT_HIPROC)
5504 {
5505 if (elf_header.e_machine == EM_ARM && type == STT_ARM_TFUNC)
5506 return "THUMB_FUNC";
5507
5508 if (elf_header.e_machine == EM_SPARCV9 && type == STT_REGISTER)
5509 return "REGISTER";
5510
5511 if (elf_header.e_machine == EM_PARISC && type == STT_PARISC_MILLI)
5512 return "PARISC_MILLI";
5513
5514 sprintf (buff, _("<processor specific>: %d"), type);
5515 }
5516 else if (type >= STT_LOOS && type <= STT_HIOS)
5517 {
5518 if (elf_header.e_machine == EM_PARISC)
5519 {
5520 if (type == STT_HP_OPAQUE)
5521 return "HP_OPAQUE";
5522 if (type == STT_HP_STUB)
5523 return "HP_STUB";
5524 }
5525
5526 sprintf (buff, _("<OS specific>: %d"), type);
5527 }
5528 else
5529 sprintf (buff, _("<unknown>: %d"), type);
5530 return buff;
5531 }
5532 }
5533
5534 static const char *
5535 get_symbol_visibility (unsigned int visibility)
5536 {
5537 switch (visibility)
5538 {
5539 case STV_DEFAULT: return "DEFAULT";
5540 case STV_INTERNAL: return "INTERNAL";
5541 case STV_HIDDEN: return "HIDDEN";
5542 case STV_PROTECTED: return "PROTECTED";
5543 default: abort ();
5544 }
5545 }
5546
5547 static const char *
5548 get_symbol_index_type (unsigned int type)
5549 {
5550 static char buff[32];
5551
5552 switch (type)
5553 {
5554 case SHN_UNDEF: return "UND";
5555 case SHN_ABS: return "ABS";
5556 case SHN_COMMON: return "COM";
5557 default:
5558 if (type == SHN_IA_64_ANSI_COMMON
5559 && elf_header.e_machine == EM_IA_64
5560 && elf_header.e_ident[EI_OSABI] == ELFOSABI_HPUX)
5561 return "ANSI_COM";
5562 else if (type >= SHN_LOPROC && type <= SHN_HIPROC)
5563 sprintf (buff, "PRC[0x%04x]", type);
5564 else if (type >= SHN_LOOS && type <= SHN_HIOS)
5565 sprintf (buff, "OS [0x%04x]", type);
5566 else if (type >= SHN_LORESERVE && type <= SHN_HIRESERVE)
5567 sprintf (buff, "RSV[0x%04x]", type);
5568 else
5569 sprintf (buff, "%3d", type);
5570 break;
5571 }
5572
5573 return buff;
5574 }
5575
5576 static int *
5577 get_dynamic_data (FILE *file, unsigned int number)
5578 {
5579 unsigned char *e_data;
5580 int *i_data;
5581
5582 e_data = malloc (number * 4);
5583
5584 if (e_data == NULL)
5585 {
5586 error (_("Out of memory\n"));
5587 return NULL;
5588 }
5589
5590 if (fread (e_data, 4, number, file) != number)
5591 {
5592 error (_("Unable to read in dynamic data\n"));
5593 return NULL;
5594 }
5595
5596 i_data = malloc (number * sizeof (*i_data));
5597
5598 if (i_data == NULL)
5599 {
5600 error (_("Out of memory\n"));
5601 free (e_data);
5602 return NULL;
5603 }
5604
5605 while (number--)
5606 i_data[number] = byte_get (e_data + number * 4, 4);
5607
5608 free (e_data);
5609
5610 return i_data;
5611 }
5612
5613 /* Dump the symbol table. */
5614 static int
5615 process_symbol_table (FILE *file)
5616 {
5617 Elf_Internal_Shdr *section;
5618 unsigned char nb[4];
5619 unsigned char nc[4];
5620 int nbuckets = 0;
5621 int nchains = 0;
5622 int *buckets = NULL;
5623 int *chains = NULL;
5624
5625 if (! do_syms && !do_histogram)
5626 return 1;
5627
5628 if (dynamic_info[DT_HASH] && ((do_using_dynamic && dynamic_strings != NULL)
5629 || do_histogram))
5630 {
5631 if (fseek (file,
5632 (archive_file_offset
5633 + offset_from_vma (file, dynamic_info[DT_HASH],
5634 sizeof nb + sizeof nc)),
5635 SEEK_SET))
5636 {
5637 error (_("Unable to seek to start of dynamic information"));
5638 return 0;
5639 }
5640
5641 if (fread (nb, sizeof (nb), 1, file) != 1)
5642 {
5643 error (_("Failed to read in number of buckets\n"));
5644 return 0;
5645 }
5646
5647 if (fread (nc, sizeof (nc), 1, file) != 1)
5648 {
5649 error (_("Failed to read in number of chains\n"));
5650 return 0;
5651 }
5652
5653 nbuckets = byte_get (nb, 4);
5654 nchains = byte_get (nc, 4);
5655
5656 buckets = get_dynamic_data (file, nbuckets);
5657 chains = get_dynamic_data (file, nchains);
5658
5659 if (buckets == NULL || chains == NULL)
5660 return 0;
5661 }
5662
5663 if (do_syms
5664 && dynamic_info[DT_HASH] && do_using_dynamic && dynamic_strings != NULL)
5665 {
5666 int hn;
5667 int si;
5668
5669 printf (_("\nSymbol table for image:\n"));
5670 if (is_32bit_elf)
5671 printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n"));
5672 else
5673 printf (_(" Num Buc: Value Size Type Bind Vis Ndx Name\n"));
5674
5675 for (hn = 0; hn < nbuckets; hn++)
5676 {
5677 if (! buckets[hn])
5678 continue;
5679
5680 for (si = buckets[hn]; si < nchains && si > 0; si = chains[si])
5681 {
5682 Elf_Internal_Sym *psym;
5683
5684 psym = dynamic_symbols + si;
5685
5686 printf (" %3d %3d: ", si, hn);
5687 print_vma (psym->st_value, LONG_HEX);
5688 putchar (' ' );
5689 print_vma (psym->st_size, DEC_5);
5690
5691 printf (" %6s", get_symbol_type (ELF_ST_TYPE (psym->st_info)));
5692 printf (" %6s", get_symbol_binding (ELF_ST_BIND (psym->st_info)));
5693 printf (" %3s", get_symbol_visibility (ELF_ST_VISIBILITY (psym->st_other)));
5694 printf (" %3.3s ", get_symbol_index_type (psym->st_shndx));
5695 print_symbol (25, dynamic_strings + psym->st_name);
5696 putchar ('\n');
5697 }
5698 }
5699 }
5700 else if (do_syms && !do_using_dynamic)
5701 {
5702 unsigned int i;
5703
5704 for (i = 0, section = section_headers;
5705 i < elf_header.e_shnum;
5706 i++, section++)
5707 {
5708 unsigned int si;
5709 char *strtab;
5710 Elf_Internal_Sym *symtab;
5711 Elf_Internal_Sym *psym;
5712
5713
5714 if ( section->sh_type != SHT_SYMTAB
5715 && section->sh_type != SHT_DYNSYM)
5716 continue;
5717
5718 printf (_("\nSymbol table '%s' contains %lu entries:\n"),
5719 SECTION_NAME (section),
5720 (unsigned long) (section->sh_size / section->sh_entsize));
5721 if (is_32bit_elf)
5722 printf (_(" Num: Value Size Type Bind Vis Ndx Name\n"));
5723 else
5724 printf (_(" Num: Value Size Type Bind Vis Ndx Name\n"));
5725
5726 symtab = GET_ELF_SYMBOLS (file, section);
5727 if (symtab == NULL)
5728 continue;
5729
5730 if (section->sh_link == elf_header.e_shstrndx)
5731 strtab = string_table;
5732 else
5733 {
5734 Elf_Internal_Shdr *string_sec;
5735
5736 string_sec = SECTION_HEADER (section->sh_link);
5737
5738 strtab = get_data (NULL, file, string_sec->sh_offset,
5739 string_sec->sh_size, _("string table"));
5740 }
5741
5742 for (si = 0, psym = symtab;
5743 si < section->sh_size / section->sh_entsize;
5744 si++, psym++)
5745 {
5746 printf ("%6d: ", si);
5747 print_vma (psym->st_value, LONG_HEX);
5748 putchar (' ');
5749 print_vma (psym->st_size, DEC_5);
5750 printf (" %-7s", get_symbol_type (ELF_ST_TYPE (psym->st_info)));
5751 printf (" %-6s", get_symbol_binding (ELF_ST_BIND (psym->st_info)));
5752 printf (" %-3s", get_symbol_visibility (ELF_ST_VISIBILITY (psym->st_other)));
5753 printf (" %4s ", get_symbol_index_type (psym->st_shndx));
5754 print_symbol (25, strtab + psym->st_name);
5755
5756 if (section->sh_type == SHT_DYNSYM &&
5757 version_info[DT_VERSIONTAGIDX (DT_VERSYM)] != 0)
5758 {
5759 unsigned char data[2];
5760 unsigned short vers_data;
5761 unsigned long offset;
5762 int is_nobits;
5763 int check_def;
5764
5765 offset = offset_from_vma
5766 (file, version_info[DT_VERSIONTAGIDX (DT_VERSYM)],
5767 sizeof data + si * sizeof (vers_data));
5768
5769 get_data (&data, file, offset + si * sizeof (vers_data),
5770 sizeof (data), _("version data"));
5771
5772 vers_data = byte_get (data, 2);
5773
5774 is_nobits = (SECTION_HEADER (psym->st_shndx)->sh_type
5775 == SHT_NOBITS);
5776
5777 check_def = (psym->st_shndx != SHN_UNDEF);
5778
5779 if ((vers_data & 0x8000) || vers_data > 1)
5780 {
5781 if (version_info[DT_VERSIONTAGIDX (DT_VERNEED)]
5782 && (is_nobits || ! check_def))
5783 {
5784 Elf_External_Verneed evn;
5785 Elf_Internal_Verneed ivn;
5786 Elf_Internal_Vernaux ivna;
5787
5788 /* We must test both. */
5789 offset = offset_from_vma
5790 (file, version_info[DT_VERSIONTAGIDX (DT_VERNEED)],
5791 sizeof evn);
5792
5793 do
5794 {
5795 unsigned long vna_off;
5796
5797 get_data (&evn, file, offset, sizeof (evn),
5798 _("version need"));
5799
5800 ivn.vn_aux = BYTE_GET (evn.vn_aux);
5801 ivn.vn_next = BYTE_GET (evn.vn_next);
5802
5803 vna_off = offset + ivn.vn_aux;
5804
5805 do
5806 {
5807 Elf_External_Vernaux evna;
5808
5809 get_data (&evna, file, vna_off,
5810 sizeof (evna),
5811 _("version need aux (3)"));
5812
5813 ivna.vna_other = BYTE_GET (evna.vna_other);
5814 ivna.vna_next = BYTE_GET (evna.vna_next);
5815 ivna.vna_name = BYTE_GET (evna.vna_name);
5816
5817 vna_off += ivna.vna_next;
5818 }
5819 while (ivna.vna_other != vers_data
5820 && ivna.vna_next != 0);
5821
5822 if (ivna.vna_other == vers_data)
5823 break;
5824
5825 offset += ivn.vn_next;
5826 }
5827 while (ivn.vn_next != 0);
5828
5829 if (ivna.vna_other == vers_data)
5830 {
5831 printf ("@%s (%d)",
5832 strtab + ivna.vna_name, ivna.vna_other);
5833 check_def = 0;
5834 }
5835 else if (! is_nobits)
5836 error (_("bad dynamic symbol"));
5837 else
5838 check_def = 1;
5839 }
5840
5841 if (check_def)
5842 {
5843 if (vers_data != 0x8001
5844 && version_info[DT_VERSIONTAGIDX (DT_VERDEF)])
5845 {
5846 Elf_Internal_Verdef ivd;
5847 Elf_Internal_Verdaux ivda;
5848 Elf_External_Verdaux evda;
5849 unsigned long offset;
5850
5851 offset = offset_from_vma
5852 (file,
5853 version_info[DT_VERSIONTAGIDX (DT_VERDEF)],
5854 sizeof (Elf_External_Verdef));
5855
5856 do
5857 {
5858 Elf_External_Verdef evd;
5859
5860 get_data (&evd, file, offset, sizeof (evd),
5861 _("version def"));
5862
5863 ivd.vd_ndx = BYTE_GET (evd.vd_ndx);
5864 ivd.vd_aux = BYTE_GET (evd.vd_aux);
5865 ivd.vd_next = BYTE_GET (evd.vd_next);
5866
5867 offset += ivd.vd_next;
5868 }
5869 while (ivd.vd_ndx != (vers_data & 0x7fff)
5870 && ivd.vd_next != 0);
5871
5872 offset -= ivd.vd_next;
5873 offset += ivd.vd_aux;
5874
5875 get_data (&evda, file, offset, sizeof (evda),
5876 _("version def aux"));
5877
5878 ivda.vda_name = BYTE_GET (evda.vda_name);
5879
5880 if (psym->st_name != ivda.vda_name)
5881 printf ((vers_data & 0x8000)
5882 ? "@%s" : "@@%s",
5883 strtab + ivda.vda_name);
5884 }
5885 }
5886 }
5887 }
5888
5889 putchar ('\n');
5890 }
5891
5892 free (symtab);
5893 if (strtab != string_table)
5894 free (strtab);
5895 }
5896 }
5897 else if (do_syms)
5898 printf
5899 (_("\nDynamic symbol information is not available for displaying symbols.\n"));
5900
5901 if (do_histogram && buckets != NULL)
5902 {
5903 int *lengths;
5904 int *counts;
5905 int hn;
5906 int si;
5907 int maxlength = 0;
5908 int nzero_counts = 0;
5909 int nsyms = 0;
5910
5911 printf (_("\nHistogram for bucket list length (total of %d buckets):\n"),
5912 nbuckets);
5913 printf (_(" Length Number %% of total Coverage\n"));
5914
5915 lengths = calloc (nbuckets, sizeof (int));
5916 if (lengths == NULL)
5917 {
5918 error (_("Out of memory"));
5919 return 0;
5920 }
5921 for (hn = 0; hn < nbuckets; ++hn)
5922 {
5923 if (! buckets[hn])
5924 continue;
5925
5926 for (si = buckets[hn]; si > 0 && si < nchains; si = chains[si])
5927 {
5928 ++nsyms;
5929 if (maxlength < ++lengths[hn])
5930 ++maxlength;
5931 }
5932 }
5933
5934 counts = calloc (maxlength + 1, sizeof (int));
5935 if (counts == NULL)
5936 {
5937 error (_("Out of memory"));
5938 return 0;
5939 }
5940
5941 for (hn = 0; hn < nbuckets; ++hn)
5942 ++counts[lengths[hn]];
5943
5944 if (nbuckets > 0)
5945 {
5946 printf (" 0 %-10d (%5.1f%%)\n",
5947 counts[0], (counts[0] * 100.0) / nbuckets);
5948 for (si = 1; si <= maxlength; ++si)
5949 {
5950 nzero_counts += counts[si] * si;
5951 printf ("%7d %-10d (%5.1f%%) %5.1f%%\n",
5952 si, counts[si], (counts[si] * 100.0) / nbuckets,
5953 (nzero_counts * 100.0) / nsyms);
5954 }
5955 }
5956
5957 free (counts);
5958 free (lengths);
5959 }
5960
5961 if (buckets != NULL)
5962 {
5963 free (buckets);
5964 free (chains);
5965 }
5966
5967 return 1;
5968 }
5969
5970 static int
5971 process_syminfo (FILE *file ATTRIBUTE_UNUSED)
5972 {
5973 unsigned int i;
5974
5975 if (dynamic_syminfo == NULL
5976 || !do_dynamic)
5977 /* No syminfo, this is ok. */
5978 return 1;
5979
5980 /* There better should be a dynamic symbol section. */
5981 if (dynamic_symbols == NULL || dynamic_strings == NULL)
5982 return 0;
5983
5984 if (dynamic_addr)
5985 printf (_("\nDynamic info segment at offset 0x%lx contains %d entries:\n"),
5986 dynamic_syminfo_offset, dynamic_syminfo_nent);
5987
5988 printf (_(" Num: Name BoundTo Flags\n"));
5989 for (i = 0; i < dynamic_syminfo_nent; ++i)
5990 {
5991 unsigned short int flags = dynamic_syminfo[i].si_flags;
5992
5993 printf ("%4d: ", i);
5994 print_symbol (30, dynamic_strings + dynamic_symbols[i].st_name);
5995 putchar (' ');
5996
5997 switch (dynamic_syminfo[i].si_boundto)
5998 {
5999 case SYMINFO_BT_SELF:
6000 fputs ("SELF ", stdout);
6001 break;
6002 case SYMINFO_BT_PARENT:
6003 fputs ("PARENT ", stdout);
6004 break;
6005 default:
6006 if (dynamic_syminfo[i].si_boundto > 0
6007 && dynamic_syminfo[i].si_boundto < dynamic_size)
6008 {
6009 print_symbol (10,
6010 dynamic_strings
6011 + (dynamic_segment
6012 [dynamic_syminfo[i].si_boundto].d_un.d_val));
6013 putchar (' ' );
6014 }
6015 else
6016 printf ("%-10d ", dynamic_syminfo[i].si_boundto);
6017 break;
6018 }
6019
6020 if (flags & SYMINFO_FLG_DIRECT)
6021 printf (" DIRECT");
6022 if (flags & SYMINFO_FLG_PASSTHRU)
6023 printf (" PASSTHRU");
6024 if (flags & SYMINFO_FLG_COPY)
6025 printf (" COPY");
6026 if (flags & SYMINFO_FLG_LAZYLOAD)
6027 printf (" LAZYLOAD");
6028
6029 puts ("");
6030 }
6031
6032 return 1;
6033 }
6034
6035 #ifdef SUPPORT_DISASSEMBLY
6036 static void
6037 disassemble_section (Elf_Internal_Shdr *section, FILE *file)
6038 {
6039 printf (_("\nAssembly dump of section %s\n"),
6040 SECTION_NAME (section));
6041
6042 /* XXX -- to be done --- XXX */
6043
6044 return 1;
6045 }
6046 #endif
6047
6048 static int
6049 dump_section (Elf_Internal_Shdr *section, FILE *file)
6050 {
6051 bfd_size_type bytes;
6052 bfd_vma addr;
6053 unsigned char *data;
6054 unsigned char *start;
6055
6056 bytes = section->sh_size;
6057
6058 if (bytes == 0)
6059 {
6060 printf (_("\nSection '%s' has no data to dump.\n"),
6061 SECTION_NAME (section));
6062 return 0;
6063 }
6064 else
6065 printf (_("\nHex dump of section '%s':\n"), SECTION_NAME (section));
6066
6067 addr = section->sh_addr;
6068
6069 start = get_data (NULL, file, section->sh_offset, bytes, _("section data"));
6070 if (!start)
6071 return 0;
6072
6073 data = start;
6074
6075 while (bytes)
6076 {
6077 int j;
6078 int k;
6079 int lbytes;
6080
6081 lbytes = (bytes > 16 ? 16 : bytes);
6082
6083 printf (" 0x%8.8lx ", (unsigned long) addr);
6084
6085 switch (elf_header.e_ident[EI_DATA])
6086 {
6087 default:
6088 case ELFDATA2LSB:
6089 for (j = 15; j >= 0; j --)
6090 {
6091 if (j < lbytes)
6092 printf ("%2.2x", data[j]);
6093 else
6094 printf (" ");
6095
6096 if (!(j & 0x3))
6097 printf (" ");
6098 }
6099 break;
6100
6101 case ELFDATA2MSB:
6102 for (j = 0; j < 16; j++)
6103 {
6104 if (j < lbytes)
6105 printf ("%2.2x", data[j]);
6106 else
6107 printf (" ");
6108
6109 if ((j & 3) == 3)
6110 printf (" ");
6111 }
6112 break;
6113 }
6114
6115 for (j = 0; j < lbytes; j++)
6116 {
6117 k = data[j];
6118 if (k >= ' ' && k < 0x80)
6119 printf ("%c", k);
6120 else
6121 printf (".");
6122 }
6123
6124 putchar ('\n');
6125
6126 data += lbytes;
6127 addr += lbytes;
6128 bytes -= lbytes;
6129 }
6130
6131 free (start);
6132
6133 return 1;
6134 }
6135
6136
6137 static unsigned long int
6138 read_leb128 (unsigned char *data, int *length_return, int sign)
6139 {
6140 unsigned long int result = 0;
6141 unsigned int num_read = 0;
6142 int shift = 0;
6143 unsigned char byte;
6144
6145 do
6146 {
6147 byte = *data++;
6148 num_read++;
6149
6150 result |= (byte & 0x7f) << shift;
6151
6152 shift += 7;
6153
6154 }
6155 while (byte & 0x80);
6156
6157 if (length_return != NULL)
6158 *length_return = num_read;
6159
6160 if (sign && (shift < 32) && (byte & 0x40))
6161 result |= -1 << shift;
6162
6163 return result;
6164 }
6165
6166 typedef struct State_Machine_Registers
6167 {
6168 unsigned long address;
6169 unsigned int file;
6170 unsigned int line;
6171 unsigned int column;
6172 int is_stmt;
6173 int basic_block;
6174 int end_sequence;
6175 /* This variable hold the number of the last entry seen
6176 in the File Table. */
6177 unsigned int last_file_entry;
6178 } SMR;
6179
6180 static SMR state_machine_regs;
6181
6182 static void
6183 reset_state_machine (int is_stmt)
6184 {
6185 state_machine_regs.address = 0;
6186 state_machine_regs.file = 1;
6187 state_machine_regs.line = 1;
6188 state_machine_regs.column = 0;
6189 state_machine_regs.is_stmt = is_stmt;
6190 state_machine_regs.basic_block = 0;
6191 state_machine_regs.end_sequence = 0;
6192 state_machine_regs.last_file_entry = 0;
6193 }
6194
6195 /* Handled an extend line op. Returns true if this is the end
6196 of sequence. */
6197 static int
6198 process_extended_line_op (unsigned char *data, int is_stmt, int pointer_size)
6199 {
6200 unsigned char op_code;
6201 int bytes_read;
6202 unsigned int len;
6203 unsigned char *name;
6204 unsigned long adr;
6205
6206 len = read_leb128 (data, & bytes_read, 0);
6207 data += bytes_read;
6208
6209 if (len == 0)
6210 {
6211 warn (_("badly formed extended line op encountered!\n"));
6212 return bytes_read;
6213 }
6214
6215 len += bytes_read;
6216 op_code = *data++;
6217
6218 printf (_(" Extended opcode %d: "), op_code);
6219
6220 switch (op_code)
6221 {
6222 case DW_LNE_end_sequence:
6223 printf (_("End of Sequence\n\n"));
6224 reset_state_machine (is_stmt);
6225 break;
6226
6227 case DW_LNE_set_address:
6228 adr = byte_get (data, pointer_size);
6229 printf (_("set Address to 0x%lx\n"), adr);
6230 state_machine_regs.address = adr;
6231 break;
6232
6233 case DW_LNE_define_file:
6234 printf (_(" define new File Table entry\n"));
6235 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
6236
6237 printf (_(" %d\t"), ++state_machine_regs.last_file_entry);
6238 name = data;
6239 data += strlen ((char *) data) + 1;
6240 printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
6241 data += bytes_read;
6242 printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
6243 data += bytes_read;
6244 printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
6245 printf (_("%s\n\n"), name);
6246 break;
6247
6248 default:
6249 printf (_("UNKNOWN: length %d\n"), len - bytes_read);
6250 break;
6251 }
6252
6253 return len;
6254 }
6255
6256 /* Size of pointers in the .debug_line section. This information is not
6257 really present in that section. It's obtained before dumping the debug
6258 sections by doing some pre-scan of the .debug_info section. */
6259 static int debug_line_pointer_size = 4;
6260
6261 static int
6262 display_debug_lines (Elf_Internal_Shdr *section,
6263 unsigned char * start,
6264 FILE *file ATTRIBUTE_UNUSED)
6265 {
6266 unsigned char *hdrptr;
6267 DWARF2_Internal_LineInfo info;
6268 unsigned char *standard_opcodes;
6269 unsigned char *data = start;
6270 unsigned char *end = start + section->sh_size;
6271 unsigned char *end_of_sequence;
6272 int i;
6273 int offset_size;
6274 int initial_length_size;
6275
6276 printf (_("\nDump of debug contents of section %s:\n\n"),
6277 SECTION_NAME (section));
6278
6279 while (data < end)
6280 {
6281 hdrptr = data;
6282
6283 /* Check the length of the block. */
6284 info.li_length = byte_get (hdrptr, 4);
6285 hdrptr += 4;
6286
6287 if (info.li_length == 0xffffffff)
6288 {
6289 /* This section is 64-bit DWARF 3. */
6290 info.li_length = byte_get (hdrptr, 8);
6291 hdrptr += 8;
6292 offset_size = 8;
6293 initial_length_size = 12;
6294 }
6295 else
6296 {
6297 offset_size = 4;
6298 initial_length_size = 4;
6299 }
6300
6301 if (info.li_length + initial_length_size > section->sh_size)
6302 {
6303 warn
6304 (_("The line info appears to be corrupt - the section is too small\n"));
6305 return 0;
6306 }
6307
6308 /* Check its version number. */
6309 info.li_version = byte_get (hdrptr, 2);
6310 hdrptr += 2;
6311 if (info.li_version != 2 && info.li_version != 3)
6312 {
6313 warn (_("Only DWARF version 2 and 3 line info is currently supported.\n"));
6314 return 0;
6315 }
6316
6317 info.li_prologue_length = byte_get (hdrptr, offset_size);
6318 hdrptr += offset_size;
6319 info.li_min_insn_length = byte_get (hdrptr, 1);
6320 hdrptr++;
6321 info.li_default_is_stmt = byte_get (hdrptr, 1);
6322 hdrptr++;
6323 info.li_line_base = byte_get (hdrptr, 1);
6324 hdrptr++;
6325 info.li_line_range = byte_get (hdrptr, 1);
6326 hdrptr++;
6327 info.li_opcode_base = byte_get (hdrptr, 1);
6328 hdrptr++;
6329
6330 /* Sign extend the line base field. */
6331 info.li_line_base <<= 24;
6332 info.li_line_base >>= 24;
6333
6334 printf (_(" Length: %ld\n"), info.li_length);
6335 printf (_(" DWARF Version: %d\n"), info.li_version);
6336 printf (_(" Prologue Length: %d\n"), info.li_prologue_length);
6337 printf (_(" Minimum Instruction Length: %d\n"), info.li_min_insn_length);
6338 printf (_(" Initial value of 'is_stmt': %d\n"), info.li_default_is_stmt);
6339 printf (_(" Line Base: %d\n"), info.li_line_base);
6340 printf (_(" Line Range: %d\n"), info.li_line_range);
6341 printf (_(" Opcode Base: %d\n"), info.li_opcode_base);
6342
6343 end_of_sequence = data + info.li_length + initial_length_size;
6344
6345 reset_state_machine (info.li_default_is_stmt);
6346
6347 /* Display the contents of the Opcodes table. */
6348 standard_opcodes = hdrptr;
6349
6350 printf (_("\n Opcodes:\n"));
6351
6352 for (i = 1; i < info.li_opcode_base; i++)
6353 printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]);
6354
6355 /* Display the contents of the Directory table. */
6356 data = standard_opcodes + info.li_opcode_base - 1;
6357
6358 if (*data == 0)
6359 printf (_("\n The Directory Table is empty.\n"));
6360 else
6361 {
6362 printf (_("\n The Directory Table:\n"));
6363
6364 while (*data != 0)
6365 {
6366 printf (_(" %s\n"), data);
6367
6368 data += strlen ((char *) data) + 1;
6369 }
6370 }
6371
6372 /* Skip the NUL at the end of the table. */
6373 data++;
6374
6375 /* Display the contents of the File Name table. */
6376 if (*data == 0)
6377 printf (_("\n The File Name Table is empty.\n"));
6378 else
6379 {
6380 printf (_("\n The File Name Table:\n"));
6381 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
6382
6383 while (*data != 0)
6384 {
6385 unsigned char *name;
6386 int bytes_read;
6387
6388 printf (_(" %d\t"), ++state_machine_regs.last_file_entry);
6389 name = data;
6390
6391 data += strlen ((char *) data) + 1;
6392
6393 printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
6394 data += bytes_read;
6395 printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
6396 data += bytes_read;
6397 printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0));
6398 data += bytes_read;
6399 printf (_("%s\n"), name);
6400 }
6401 }
6402
6403 /* Skip the NUL at the end of the table. */
6404 data++;
6405
6406 /* Now display the statements. */
6407 printf (_("\n Line Number Statements:\n"));
6408
6409
6410 while (data < end_of_sequence)
6411 {
6412 unsigned char op_code;
6413 int adv;
6414 int bytes_read;
6415
6416 op_code = *data++;
6417
6418 if (op_code >= info.li_opcode_base)
6419 {
6420 op_code -= info.li_opcode_base;
6421 adv = (op_code / info.li_line_range) * info.li_min_insn_length;
6422 state_machine_regs.address += adv;
6423 printf (_(" Special opcode %d: advance Address by %d to 0x%lx"),
6424 op_code, adv, state_machine_regs.address);
6425 adv = (op_code % info.li_line_range) + info.li_line_base;
6426 state_machine_regs.line += adv;
6427 printf (_(" and Line by %d to %d\n"),
6428 adv, state_machine_regs.line);
6429 }
6430 else switch (op_code)
6431 {
6432 case DW_LNS_extended_op:
6433 data += process_extended_line_op (data, info.li_default_is_stmt,
6434 debug_line_pointer_size);
6435 break;
6436
6437 case DW_LNS_copy:
6438 printf (_(" Copy\n"));
6439 break;
6440
6441 case DW_LNS_advance_pc:
6442 adv = info.li_min_insn_length * read_leb128 (data, & bytes_read, 0);
6443 data += bytes_read;
6444 state_machine_regs.address += adv;
6445 printf (_(" Advance PC by %d to %lx\n"), adv,
6446 state_machine_regs.address);
6447 break;
6448
6449 case DW_LNS_advance_line:
6450 adv = read_leb128 (data, & bytes_read, 1);
6451 data += bytes_read;
6452 state_machine_regs.line += adv;
6453 printf (_(" Advance Line by %d to %d\n"), adv,
6454 state_machine_regs.line);
6455 break;
6456
6457 case DW_LNS_set_file:
6458 adv = read_leb128 (data, & bytes_read, 0);
6459 data += bytes_read;
6460 printf (_(" Set File Name to entry %d in the File Name Table\n"),
6461 adv);
6462 state_machine_regs.file = adv;
6463 break;
6464
6465 case DW_LNS_set_column:
6466 adv = read_leb128 (data, & bytes_read, 0);
6467 data += bytes_read;
6468 printf (_(" Set column to %d\n"), adv);
6469 state_machine_regs.column = adv;
6470 break;
6471
6472 case DW_LNS_negate_stmt:
6473 adv = state_machine_regs.is_stmt;
6474 adv = ! adv;
6475 printf (_(" Set is_stmt to %d\n"), adv);
6476 state_machine_regs.is_stmt = adv;
6477 break;
6478
6479 case DW_LNS_set_basic_block:
6480 printf (_(" Set basic block\n"));
6481 state_machine_regs.basic_block = 1;
6482 break;
6483
6484 case DW_LNS_const_add_pc:
6485 adv = (((255 - info.li_opcode_base) / info.li_line_range)
6486 * info.li_min_insn_length);
6487 state_machine_regs.address += adv;
6488 printf (_(" Advance PC by constant %d to 0x%lx\n"), adv,
6489 state_machine_regs.address);
6490 break;
6491
6492 case DW_LNS_fixed_advance_pc:
6493 adv = byte_get (data, 2);
6494 data += 2;
6495 state_machine_regs.address += adv;
6496 printf (_(" Advance PC by fixed size amount %d to 0x%lx\n"),
6497 adv, state_machine_regs.address);
6498 break;
6499
6500 case DW_LNS_set_prologue_end:
6501 printf (_(" Set prologue_end to true\n"));
6502 break;
6503
6504 case DW_LNS_set_epilogue_begin:
6505 printf (_(" Set epilogue_begin to true\n"));
6506 break;
6507
6508 case DW_LNS_set_isa:
6509 adv = read_leb128 (data, & bytes_read, 0);
6510 data += bytes_read;
6511 printf (_(" Set ISA to %d\n"), adv);
6512 break;
6513
6514 default:
6515 printf (_(" Unknown opcode %d with operands: "), op_code);
6516 {
6517 int i;
6518 for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
6519 {
6520 printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0),
6521 i == 1 ? "" : ", ");
6522 data += bytes_read;
6523 }
6524 putchar ('\n');
6525 }
6526 break;
6527 }
6528 }
6529 putchar ('\n');
6530 }
6531
6532 return 1;
6533 }
6534
6535 static int
6536 display_debug_pubnames (Elf_Internal_Shdr *section,
6537 unsigned char *start,
6538 FILE *file ATTRIBUTE_UNUSED)
6539 {
6540 DWARF2_Internal_PubNames pubnames;
6541 unsigned char *end;
6542
6543 end = start + section->sh_size;
6544
6545 printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
6546
6547 while (start < end)
6548 {
6549 unsigned char *data;
6550 unsigned long offset;
6551 int offset_size, initial_length_size;
6552
6553 data = start;
6554
6555 pubnames.pn_length = byte_get (data, 4);
6556 data += 4;
6557 if (pubnames.pn_length == 0xffffffff)
6558 {
6559 pubnames.pn_length = byte_get (data, 8);
6560 data += 8;
6561 offset_size = 8;
6562 initial_length_size = 12;
6563 }
6564 else
6565 {
6566 offset_size = 4;
6567 initial_length_size = 4;
6568 }
6569
6570 pubnames.pn_version = byte_get (data, 2);
6571 data += 2;
6572 pubnames.pn_offset = byte_get (data, offset_size);
6573 data += offset_size;
6574 pubnames.pn_size = byte_get (data, offset_size);
6575 data += offset_size;
6576
6577 start += pubnames.pn_length + initial_length_size;
6578
6579 if (pubnames.pn_version != 2 && pubnames.pn_version != 3)
6580 {
6581 static int warned = 0;
6582
6583 if (! warned)
6584 {
6585 warn (_("Only DWARF 2 and 3 pubnames are currently supported\n"));
6586 warned = 1;
6587 }
6588
6589 continue;
6590 }
6591
6592 printf (_(" Length: %ld\n"),
6593 pubnames.pn_length);
6594 printf (_(" Version: %d\n"),
6595 pubnames.pn_version);
6596 printf (_(" Offset into .debug_info section: %ld\n"),
6597 pubnames.pn_offset);
6598 printf (_(" Size of area in .debug_info section: %ld\n"),
6599 pubnames.pn_size);
6600
6601 printf (_("\n Offset\tName\n"));
6602
6603 do
6604 {
6605 offset = byte_get (data, offset_size);
6606
6607 if (offset != 0)
6608 {
6609 data += offset_size;
6610 printf (" %ld\t\t%s\n", offset, data);
6611 data += strlen ((char *) data) + 1;
6612 }
6613 }
6614 while (offset != 0);
6615 }
6616
6617 printf ("\n");
6618 return 1;
6619 }
6620
6621 static char *
6622 get_TAG_name (unsigned long tag)
6623 {
6624 switch (tag)
6625 {
6626 case DW_TAG_padding: return "DW_TAG_padding";
6627 case DW_TAG_array_type: return "DW_TAG_array_type";
6628 case DW_TAG_class_type: return "DW_TAG_class_type";
6629 case DW_TAG_entry_point: return "DW_TAG_entry_point";
6630 case DW_TAG_enumeration_type: return "DW_TAG_enumeration_type";
6631 case DW_TAG_formal_parameter: return "DW_TAG_formal_parameter";
6632 case DW_TAG_imported_declaration: return "DW_TAG_imported_declaration";
6633 case DW_TAG_label: return "DW_TAG_label";
6634 case DW_TAG_lexical_block: return "DW_TAG_lexical_block";
6635 case DW_TAG_member: return "DW_TAG_member";
6636 case DW_TAG_pointer_type: return "DW_TAG_pointer_type";
6637 case DW_TAG_reference_type: return "DW_TAG_reference_type";
6638 case DW_TAG_compile_unit: return "DW_TAG_compile_unit";
6639 case DW_TAG_string_type: return "DW_TAG_string_type";
6640 case DW_TAG_structure_type: return "DW_TAG_structure_type";
6641 case DW_TAG_subroutine_type: return "DW_TAG_subroutine_type";
6642 case DW_TAG_typedef: return "DW_TAG_typedef";
6643 case DW_TAG_union_type: return "DW_TAG_union_type";
6644 case DW_TAG_unspecified_parameters: return "DW_TAG_unspecified_parameters";
6645 case DW_TAG_variant: return "DW_TAG_variant";
6646 case DW_TAG_common_block: return "DW_TAG_common_block";
6647 case DW_TAG_common_inclusion: return "DW_TAG_common_inclusion";
6648 case DW_TAG_inheritance: return "DW_TAG_inheritance";
6649 case DW_TAG_inlined_subroutine: return "DW_TAG_inlined_subroutine";
6650 case DW_TAG_module: return "DW_TAG_module";
6651 case DW_TAG_ptr_to_member_type: return "DW_TAG_ptr_to_member_type";
6652 case DW_TAG_set_type: return "DW_TAG_set_type";
6653 case DW_TAG_subrange_type: return "DW_TAG_subrange_type";
6654 case DW_TAG_with_stmt: return "DW_TAG_with_stmt";
6655 case DW_TAG_access_declaration: return "DW_TAG_access_declaration";
6656 case DW_TAG_base_type: return "DW_TAG_base_type";
6657 case DW_TAG_catch_block: return "DW_TAG_catch_block";
6658 case DW_TAG_const_type: return "DW_TAG_const_type";
6659 case DW_TAG_constant: return "DW_TAG_constant";
6660 case DW_TAG_enumerator: return "DW_TAG_enumerator";
6661 case DW_TAG_file_type: return "DW_TAG_file_type";
6662 case DW_TAG_friend: return "DW_TAG_friend";
6663 case DW_TAG_namelist: return "DW_TAG_namelist";
6664 case DW_TAG_namelist_item: return "DW_TAG_namelist_item";
6665 case DW_TAG_packed_type: return "DW_TAG_packed_type";
6666 case DW_TAG_subprogram: return "DW_TAG_subprogram";
6667 case DW_TAG_template_type_param: return "DW_TAG_template_type_param";
6668 case DW_TAG_template_value_param: return "DW_TAG_template_value_param";
6669 case DW_TAG_thrown_type: return "DW_TAG_thrown_type";
6670 case DW_TAG_try_block: return "DW_TAG_try_block";
6671 case DW_TAG_variant_part: return "DW_TAG_variant_part";
6672 case DW_TAG_variable: return "DW_TAG_variable";
6673 case DW_TAG_volatile_type: return "DW_TAG_volatile_type";
6674 case DW_TAG_MIPS_loop: return "DW_TAG_MIPS_loop";
6675 case DW_TAG_format_label: return "DW_TAG_format_label";
6676 case DW_TAG_function_template: return "DW_TAG_function_template";
6677 case DW_TAG_class_template: return "DW_TAG_class_template";
6678 /* DWARF 2.1 values. */
6679 case DW_TAG_dwarf_procedure: return "DW_TAG_dwarf_procedure";
6680 case DW_TAG_restrict_type: return "DW_TAG_restrict_type";
6681 case DW_TAG_interface_type: return "DW_TAG_interface_type";
6682 case DW_TAG_namespace: return "DW_TAG_namespace";
6683 case DW_TAG_imported_module: return "DW_TAG_imported_module";
6684 case DW_TAG_unspecified_type: return "DW_TAG_unspecified_type";
6685 case DW_TAG_partial_unit: return "DW_TAG_partial_unit";
6686 case DW_TAG_imported_unit: return "DW_TAG_imported_unit";
6687 /* UPC values. */
6688 case DW_TAG_upc_shared_type: return "DW_TAG_upc_shared_type";
6689 case DW_TAG_upc_strict_type: return "DW_TAG_upc_strict_type";
6690 case DW_TAG_upc_relaxed_type: return "DW_TAG_upc_relaxed_type";
6691 default:
6692 {
6693 static char buffer[100];
6694
6695 sprintf (buffer, _("Unknown TAG value: %lx"), tag);
6696 return buffer;
6697 }
6698 }
6699 }
6700
6701 static char *
6702 get_AT_name (unsigned long attribute)
6703 {
6704 switch (attribute)
6705 {
6706 case DW_AT_sibling: return "DW_AT_sibling";
6707 case DW_AT_location: return "DW_AT_location";
6708 case DW_AT_name: return "DW_AT_name";
6709 case DW_AT_ordering: return "DW_AT_ordering";
6710 case DW_AT_subscr_data: return "DW_AT_subscr_data";
6711 case DW_AT_byte_size: return "DW_AT_byte_size";
6712 case DW_AT_bit_offset: return "DW_AT_bit_offset";
6713 case DW_AT_bit_size: return "DW_AT_bit_size";
6714 case DW_AT_element_list: return "DW_AT_element_list";
6715 case DW_AT_stmt_list: return "DW_AT_stmt_list";
6716 case DW_AT_low_pc: return "DW_AT_low_pc";
6717 case DW_AT_high_pc: return "DW_AT_high_pc";
6718 case DW_AT_language: return "DW_AT_language";
6719 case DW_AT_member: return "DW_AT_member";
6720 case DW_AT_discr: return "DW_AT_discr";
6721 case DW_AT_discr_value: return "DW_AT_discr_value";
6722 case DW_AT_visibility: return "DW_AT_visibility";
6723 case DW_AT_import: return "DW_AT_import";
6724 case DW_AT_string_length: return "DW_AT_string_length";
6725 case DW_AT_common_reference: return "DW_AT_common_reference";
6726 case DW_AT_comp_dir: return "DW_AT_comp_dir";
6727 case DW_AT_const_value: return "DW_AT_const_value";
6728 case DW_AT_containing_type: return "DW_AT_containing_type";
6729 case DW_AT_default_value: return "DW_AT_default_value";
6730 case DW_AT_inline: return "DW_AT_inline";
6731 case DW_AT_is_optional: return "DW_AT_is_optional";
6732 case DW_AT_lower_bound: return "DW_AT_lower_bound";
6733 case DW_AT_producer: return "DW_AT_producer";
6734 case DW_AT_prototyped: return "DW_AT_prototyped";
6735 case DW_AT_return_addr: return "DW_AT_return_addr";
6736 case DW_AT_start_scope: return "DW_AT_start_scope";
6737 case DW_AT_stride_size: return "DW_AT_stride_size";
6738 case DW_AT_upper_bound: return "DW_AT_upper_bound";
6739 case DW_AT_abstract_origin: return "DW_AT_abstract_origin";
6740 case DW_AT_accessibility: return "DW_AT_accessibility";
6741 case DW_AT_address_class: return "DW_AT_address_class";
6742 case DW_AT_artificial: return "DW_AT_artificial";
6743 case DW_AT_base_types: return "DW_AT_base_types";
6744 case DW_AT_calling_convention: return "DW_AT_calling_convention";
6745 case DW_AT_count: return "DW_AT_count";
6746 case DW_AT_data_member_location: return "DW_AT_data_member_location";
6747 case DW_AT_decl_column: return "DW_AT_decl_column";
6748 case DW_AT_decl_file: return "DW_AT_decl_file";
6749 case DW_AT_decl_line: return "DW_AT_decl_line";
6750 case DW_AT_declaration: return "DW_AT_declaration";
6751 case DW_AT_discr_list: return "DW_AT_discr_list";
6752 case DW_AT_encoding: return "DW_AT_encoding";
6753 case DW_AT_external: return "DW_AT_external";
6754 case DW_AT_frame_base: return "DW_AT_frame_base";
6755 case DW_AT_friend: return "DW_AT_friend";
6756 case DW_AT_identifier_case: return "DW_AT_identifier_case";
6757 case DW_AT_macro_info: return "DW_AT_macro_info";
6758 case DW_AT_namelist_items: return "DW_AT_namelist_items";
6759 case DW_AT_priority: return "DW_AT_priority";
6760 case DW_AT_segment: return "DW_AT_segment";
6761 case DW_AT_specification: return "DW_AT_specification";
6762 case DW_AT_static_link: return "DW_AT_static_link";
6763 case DW_AT_type: return "DW_AT_type";
6764 case DW_AT_use_location: return "DW_AT_use_location";
6765 case DW_AT_variable_parameter: return "DW_AT_variable_parameter";
6766 case DW_AT_virtuality: return "DW_AT_virtuality";
6767 case DW_AT_vtable_elem_location: return "DW_AT_vtable_elem_location";
6768 /* DWARF 2.1 values. */
6769 case DW_AT_allocated: return "DW_AT_allocated";
6770 case DW_AT_associated: return "DW_AT_associated";
6771 case DW_AT_data_location: return "DW_AT_data_location";
6772 case DW_AT_stride: return "DW_AT_stride";
6773 case DW_AT_entry_pc: return "DW_AT_entry_pc";
6774 case DW_AT_use_UTF8: return "DW_AT_use_UTF8";
6775 case DW_AT_extension: return "DW_AT_extension";
6776 case DW_AT_ranges: return "DW_AT_ranges";
6777 case DW_AT_trampoline: return "DW_AT_trampoline";
6778 case DW_AT_call_column: return "DW_AT_call_column";
6779 case DW_AT_call_file: return "DW_AT_call_file";
6780 case DW_AT_call_line: return "DW_AT_call_line";
6781 /* SGI/MIPS extensions. */
6782 case DW_AT_MIPS_fde: return "DW_AT_MIPS_fde";
6783 case DW_AT_MIPS_loop_begin: return "DW_AT_MIPS_loop_begin";
6784 case DW_AT_MIPS_tail_loop_begin: return "DW_AT_MIPS_tail_loop_begin";
6785 case DW_AT_MIPS_epilog_begin: return "DW_AT_MIPS_epilog_begin";
6786 case DW_AT_MIPS_loop_unroll_factor: return "DW_AT_MIPS_loop_unroll_factor";
6787 case DW_AT_MIPS_software_pipeline_depth:
6788 return "DW_AT_MIPS_software_pipeline_depth";
6789 case DW_AT_MIPS_linkage_name: return "DW_AT_MIPS_linkage_name";
6790 case DW_AT_MIPS_stride: return "DW_AT_MIPS_stride";
6791 case DW_AT_MIPS_abstract_name: return "DW_AT_MIPS_abstract_name";
6792 case DW_AT_MIPS_clone_origin: return "DW_AT_MIPS_clone_origin";
6793 case DW_AT_MIPS_has_inlines: return "DW_AT_MIPS_has_inlines";
6794 /* GNU extensions. */
6795 case DW_AT_sf_names: return "DW_AT_sf_names";
6796 case DW_AT_src_info: return "DW_AT_src_info";
6797 case DW_AT_mac_info: return "DW_AT_mac_info";
6798 case DW_AT_src_coords: return "DW_AT_src_coords";
6799 case DW_AT_body_begin: return "DW_AT_body_begin";
6800 case DW_AT_body_end: return "DW_AT_body_end";
6801 case DW_AT_GNU_vector: return "DW_AT_GNU_vector";
6802 /* UPC extension. */
6803 case DW_AT_upc_threads_scaled: return "DW_AT_upc_threads_scaled";
6804 default:
6805 {
6806 static char buffer[100];
6807
6808 sprintf (buffer, _("Unknown AT value: %lx"), attribute);
6809 return buffer;
6810 }
6811 }
6812 }
6813
6814 static char *
6815 get_FORM_name (unsigned long form)
6816 {
6817 switch (form)
6818 {
6819 case DW_FORM_addr: return "DW_FORM_addr";
6820 case DW_FORM_block2: return "DW_FORM_block2";
6821 case DW_FORM_block4: return "DW_FORM_block4";
6822 case DW_FORM_data2: return "DW_FORM_data2";
6823 case DW_FORM_data4: return "DW_FORM_data4";
6824 case DW_FORM_data8: return "DW_FORM_data8";
6825 case DW_FORM_string: return "DW_FORM_string";
6826 case DW_FORM_block: return "DW_FORM_block";
6827 case DW_FORM_block1: return "DW_FORM_block1";
6828 case DW_FORM_data1: return "DW_FORM_data1";
6829 case DW_FORM_flag: return "DW_FORM_flag";
6830 case DW_FORM_sdata: return "DW_FORM_sdata";
6831 case DW_FORM_strp: return "DW_FORM_strp";
6832 case DW_FORM_udata: return "DW_FORM_udata";
6833 case DW_FORM_ref_addr: return "DW_FORM_ref_addr";
6834 case DW_FORM_ref1: return "DW_FORM_ref1";
6835 case DW_FORM_ref2: return "DW_FORM_ref2";
6836 case DW_FORM_ref4: return "DW_FORM_ref4";
6837 case DW_FORM_ref8: return "DW_FORM_ref8";
6838 case DW_FORM_ref_udata: return "DW_FORM_ref_udata";
6839 case DW_FORM_indirect: return "DW_FORM_indirect";
6840 default:
6841 {
6842 static char buffer[100];
6843
6844 sprintf (buffer, _("Unknown FORM value: %lx"), form);
6845 return buffer;
6846 }
6847 }
6848 }
6849
6850 /* FIXME: There are better and more effiecint ways to handle
6851 these structures. For now though, I just want something that
6852 is simple to implement. */
6853 typedef struct abbrev_attr
6854 {
6855 unsigned long attribute;
6856 unsigned long form;
6857 struct abbrev_attr *next;
6858 }
6859 abbrev_attr;
6860
6861 typedef struct abbrev_entry
6862 {
6863 unsigned long entry;
6864 unsigned long tag;
6865 int children;
6866 struct abbrev_attr *first_attr;
6867 struct abbrev_attr *last_attr;
6868 struct abbrev_entry *next;
6869 }
6870 abbrev_entry;
6871
6872 static abbrev_entry *first_abbrev = NULL;
6873 static abbrev_entry *last_abbrev = NULL;
6874
6875 static void
6876 free_abbrevs (void)
6877 {
6878 abbrev_entry *abbrev;
6879
6880 for (abbrev = first_abbrev; abbrev;)
6881 {
6882 abbrev_entry *next = abbrev->next;
6883 abbrev_attr *attr;
6884
6885 for (attr = abbrev->first_attr; attr;)
6886 {
6887 abbrev_attr *next = attr->next;
6888
6889 free (attr);
6890 attr = next;
6891 }
6892
6893 free (abbrev);
6894 abbrev = next;
6895 }
6896
6897 last_abbrev = first_abbrev = NULL;
6898 }
6899
6900 static void
6901 add_abbrev (unsigned long number, unsigned long tag, int children)
6902 {
6903 abbrev_entry *entry;
6904
6905 entry = malloc (sizeof (*entry));
6906
6907 if (entry == NULL)
6908 /* ugg */
6909 return;
6910
6911 entry->entry = number;
6912 entry->tag = tag;
6913 entry->children = children;
6914 entry->first_attr = NULL;
6915 entry->last_attr = NULL;
6916 entry->next = NULL;
6917
6918 if (first_abbrev == NULL)
6919 first_abbrev = entry;
6920 else
6921 last_abbrev->next = entry;
6922
6923 last_abbrev = entry;
6924 }
6925
6926 static void
6927 add_abbrev_attr (unsigned long attribute, unsigned long form)
6928 {
6929 abbrev_attr *attr;
6930
6931 attr = malloc (sizeof (*attr));
6932
6933 if (attr == NULL)
6934 /* ugg */
6935 return;
6936
6937 attr->attribute = attribute;
6938 attr->form = form;
6939 attr->next = NULL;
6940
6941 if (last_abbrev->first_attr == NULL)
6942 last_abbrev->first_attr = attr;
6943 else
6944 last_abbrev->last_attr->next = attr;
6945
6946 last_abbrev->last_attr = attr;
6947 }
6948
6949 /* Processes the (partial) contents of a .debug_abbrev section.
6950 Returns NULL if the end of the section was encountered.
6951 Returns the address after the last byte read if the end of
6952 an abbreviation set was found. */
6953
6954 static unsigned char *
6955 process_abbrev_section (unsigned char *start, unsigned char *end)
6956 {
6957 if (first_abbrev != NULL)
6958 return NULL;
6959
6960 while (start < end)
6961 {
6962 int bytes_read;
6963 unsigned long entry;
6964 unsigned long tag;
6965 unsigned long attribute;
6966 int children;
6967
6968 entry = read_leb128 (start, & bytes_read, 0);
6969 start += bytes_read;
6970
6971 /* A single zero is supposed to end the section according
6972 to the standard. If there's more, then signal that to
6973 the caller. */
6974 if (entry == 0)
6975 return start == end ? NULL : start;
6976
6977 tag = read_leb128 (start, & bytes_read, 0);
6978 start += bytes_read;
6979
6980 children = *start++;
6981
6982 add_abbrev (entry, tag, children);
6983
6984 do
6985 {
6986 unsigned long form;
6987
6988 attribute = read_leb128 (start, & bytes_read, 0);
6989 start += bytes_read;
6990
6991 form = read_leb128 (start, & bytes_read, 0);
6992 start += bytes_read;
6993
6994 if (attribute != 0)
6995 add_abbrev_attr (attribute, form);
6996 }
6997 while (attribute != 0);
6998 }
6999
7000 return NULL;
7001 }
7002
7003
7004 static int
7005 display_debug_macinfo (Elf_Internal_Shdr *section,
7006 unsigned char *start,
7007 FILE *file ATTRIBUTE_UNUSED)
7008 {
7009 unsigned char *end = start + section->sh_size;
7010 unsigned char *curr = start;
7011 unsigned int bytes_read;
7012 enum dwarf_macinfo_record_type op;
7013
7014 printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
7015
7016 while (curr < end)
7017 {
7018 unsigned int lineno;
7019 const char *string;
7020
7021 op = *curr;
7022 curr++;
7023
7024 switch (op)
7025 {
7026 case DW_MACINFO_start_file:
7027 {
7028 unsigned int filenum;
7029
7030 lineno = read_leb128 (curr, & bytes_read, 0);
7031 curr += bytes_read;
7032 filenum = read_leb128 (curr, & bytes_read, 0);
7033 curr += bytes_read;
7034
7035 printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), lineno, filenum);
7036 }
7037 break;
7038
7039 case DW_MACINFO_end_file:
7040 printf (_(" DW_MACINFO_end_file\n"));
7041 break;
7042
7043 case DW_MACINFO_define:
7044 lineno = read_leb128 (curr, & bytes_read, 0);
7045 curr += bytes_read;
7046 string = curr;
7047 curr += strlen (string) + 1;
7048 printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"), lineno, string);
7049 break;
7050
7051 case DW_MACINFO_undef:
7052 lineno = read_leb128 (curr, & bytes_read, 0);
7053 curr += bytes_read;
7054 string = curr;
7055 curr += strlen (string) + 1;
7056 printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"), lineno, string);
7057 break;
7058
7059 case DW_MACINFO_vendor_ext:
7060 {
7061 unsigned int constant;
7062
7063 constant = read_leb128 (curr, & bytes_read, 0);
7064 curr += bytes_read;
7065 string = curr;
7066 curr += strlen (string) + 1;
7067 printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), constant, string);
7068 }
7069 break;
7070 }
7071 }
7072
7073 return 1;
7074 }
7075
7076
7077 static int
7078 display_debug_abbrev (Elf_Internal_Shdr *section,
7079 unsigned char *start,
7080 FILE *file ATTRIBUTE_UNUSED)
7081 {
7082 abbrev_entry *entry;
7083 unsigned char *end = start + section->sh_size;
7084
7085 printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section));
7086
7087 do
7088 {
7089 start = process_abbrev_section (start, end);
7090
7091 if (first_abbrev == NULL)
7092 continue;
7093
7094 printf (_(" Number TAG\n"));
7095
7096 for (entry = first_abbrev; entry; entry = entry->next)
7097 {
7098 abbrev_attr *attr;
7099
7100 printf (_(" %ld %s [%s]\n"),
7101 entry->entry,
7102 get_TAG_name (entry->tag),
7103 entry->children ? _("has children") : _("no children"));
7104
7105 for (attr = entry->first_attr; attr; attr = attr->next)
7106 {
7107 printf (_(" %-18s %s\n"),
7108 get_AT_name (attr->attribute),
7109 get_FORM_name (attr->form));
7110 }
7111 }
7112
7113 free_abbrevs ();
7114 }
7115 while (start);
7116
7117 printf ("\n");
7118
7119 return 1;
7120 }
7121
7122
7123 static unsigned char *
7124 display_block (unsigned char *data, unsigned long length)
7125 {
7126 printf (_(" %lu byte block: "), length);
7127
7128 while (length --)
7129 printf ("%lx ", (unsigned long) byte_get (data++, 1));
7130
7131 return data;
7132 }
7133
7134 static void
7135 decode_location_expression (unsigned char * data,
7136 unsigned int pointer_size,
7137 unsigned long length)
7138 {
7139 unsigned op;
7140 int bytes_read;
7141 unsigned long uvalue;
7142 unsigned char *end = data + length;
7143
7144 while (data < end)
7145 {
7146 op = *data++;
7147
7148 switch (op)
7149 {
7150 case DW_OP_addr:
7151 printf ("DW_OP_addr: %lx",
7152 (unsigned long) byte_get (data, pointer_size));
7153 data += pointer_size;
7154 break;
7155 case DW_OP_deref:
7156 printf ("DW_OP_deref");
7157 break;
7158 case DW_OP_const1u:
7159 printf ("DW_OP_const1u: %lu", (unsigned long) byte_get (data++, 1));
7160 break;
7161 case DW_OP_const1s:
7162 printf ("DW_OP_const1s: %ld", (long) byte_get (data++, 1));
7163 break;
7164 case DW_OP_const2u:
7165 printf ("DW_OP_const2u: %lu", (unsigned long) byte_get (data, 2));
7166 data += 2;
7167 break;
7168 case DW_OP_const2s:
7169 printf ("DW_OP_const2s: %ld", (long) byte_get (data, 2));
7170 data += 2;
7171 break;
7172 case DW_OP_const4u:
7173 printf ("DW_OP_const4u: %lu", (unsigned long) byte_get (data, 4));
7174 data += 4;
7175 break;
7176 case DW_OP_const4s:
7177 printf ("DW_OP_const4s: %ld", (long) byte_get (data, 4));
7178 data += 4;
7179 break;
7180 case DW_OP_const8u:
7181 printf ("DW_OP_const8u: %lu %lu", (unsigned long) byte_get (data, 4),
7182 (unsigned long) byte_get (data + 4, 4));
7183 data += 8;
7184 break;
7185 case DW_OP_const8s:
7186 printf ("DW_OP_const8s: %ld %ld", (long) byte_get (data, 4),
7187 (long) byte_get (data + 4, 4));
7188 data += 8;
7189 break;
7190 case DW_OP_constu:
7191 printf ("DW_OP_constu: %lu", read_leb128 (data, &bytes_read, 0));
7192 data += bytes_read;
7193 break;
7194 case DW_OP_consts:
7195 printf ("DW_OP_consts: %ld", read_leb128 (data, &bytes_read, 1));
7196 data += bytes_read;
7197 break;
7198 case DW_OP_dup:
7199 printf ("DW_OP_dup");
7200 break;
7201 case DW_OP_drop:
7202 printf ("DW_OP_drop");
7203 break;
7204 case DW_OP_over:
7205 printf ("DW_OP_over");
7206 break;
7207 case DW_OP_pick:
7208 printf ("DW_OP_pick: %ld", (unsigned long) byte_get (data++, 1));
7209 break;
7210 case DW_OP_swap:
7211 printf ("DW_OP_swap");
7212 break;
7213 case DW_OP_rot:
7214 printf ("DW_OP_rot");
7215 break;
7216 case DW_OP_xderef:
7217 printf ("DW_OP_xderef");
7218 break;
7219 case DW_OP_abs:
7220 printf ("DW_OP_abs");
7221 break;
7222 case DW_OP_and:
7223 printf ("DW_OP_and");
7224 break;
7225 case DW_OP_div:
7226 printf ("DW_OP_div");
7227 break;
7228 case DW_OP_minus:
7229 printf ("DW_OP_minus");
7230 break;
7231 case DW_OP_mod:
7232 printf ("DW_OP_mod");
7233 break;
7234 case DW_OP_mul:
7235 printf ("DW_OP_mul");
7236 break;
7237 case DW_OP_neg:
7238 printf ("DW_OP_neg");
7239 break;
7240 case DW_OP_not:
7241 printf ("DW_OP_not");
7242 break;
7243 case DW_OP_or:
7244 printf ("DW_OP_or");
7245 break;
7246 case DW_OP_plus:
7247 printf ("DW_OP_plus");
7248 break;
7249 case DW_OP_plus_uconst:
7250 printf ("DW_OP_plus_uconst: %lu",
7251 read_leb128 (data, &bytes_read, 0));
7252 data += bytes_read;
7253 break;
7254 case DW_OP_shl:
7255 printf ("DW_OP_shl");
7256 break;
7257 case DW_OP_shr:
7258 printf ("DW_OP_shr");
7259 break;
7260 case DW_OP_shra:
7261 printf ("DW_OP_shra");
7262 break;
7263 case DW_OP_xor:
7264 printf ("DW_OP_xor");
7265 break;
7266 case DW_OP_bra:
7267 printf ("DW_OP_bra: %ld", (long) byte_get (data, 2));
7268 data += 2;
7269 break;
7270 case DW_OP_eq:
7271 printf ("DW_OP_eq");
7272 break;
7273 case DW_OP_ge:
7274 printf ("DW_OP_ge");
7275 break;
7276 case DW_OP_gt:
7277 printf ("DW_OP_gt");
7278 break;
7279 case DW_OP_le:
7280 printf ("DW_OP_le");
7281 break;
7282 case DW_OP_lt:
7283 printf ("DW_OP_lt");
7284 break;
7285 case DW_OP_ne:
7286 printf ("DW_OP_ne");
7287 break;
7288 case DW_OP_skip:
7289 printf ("DW_OP_skip: %ld", (long) byte_get (data, 2));
7290 data += 2;
7291 break;
7292
7293 case DW_OP_lit0:
7294 case DW_OP_lit1:
7295 case DW_OP_lit2:
7296 case DW_OP_lit3:
7297 case DW_OP_lit4:
7298 case DW_OP_lit5:
7299 case DW_OP_lit6:
7300 case DW_OP_lit7:
7301 case DW_OP_lit8:
7302 case DW_OP_lit9:
7303 case DW_OP_lit10:
7304 case DW_OP_lit11:
7305 case DW_OP_lit12:
7306 case DW_OP_lit13:
7307 case DW_OP_lit14:
7308 case DW_OP_lit15:
7309 case DW_OP_lit16:
7310 case DW_OP_lit17:
7311 case DW_OP_lit18:
7312 case DW_OP_lit19:
7313 case DW_OP_lit20:
7314 case DW_OP_lit21:
7315 case DW_OP_lit22:
7316 case DW_OP_lit23:
7317 case DW_OP_lit24:
7318 case DW_OP_lit25:
7319 case DW_OP_lit26:
7320 case DW_OP_lit27:
7321 case DW_OP_lit28:
7322 case DW_OP_lit29:
7323 case DW_OP_lit30:
7324 case DW_OP_lit31:
7325 printf ("DW_OP_lit%d", op - DW_OP_lit0);
7326 break;
7327
7328 case DW_OP_reg0:
7329 case DW_OP_reg1:
7330 case DW_OP_reg2:
7331 case DW_OP_reg3:
7332 case DW_OP_reg4:
7333 case DW_OP_reg5:
7334 case DW_OP_reg6:
7335 case DW_OP_reg7:
7336 case DW_OP_reg8:
7337 case DW_OP_reg9:
7338 case DW_OP_reg10:
7339 case DW_OP_reg11:
7340 case DW_OP_reg12:
7341 case DW_OP_reg13:
7342 case DW_OP_reg14:
7343 case DW_OP_reg15:
7344 case DW_OP_reg16:
7345 case DW_OP_reg17:
7346 case DW_OP_reg18:
7347 case DW_OP_reg19:
7348 case DW_OP_reg20:
7349 case DW_OP_reg21:
7350 case DW_OP_reg22:
7351 case DW_OP_reg23:
7352 case DW_OP_reg24:
7353 case DW_OP_reg25:
7354 case DW_OP_reg26:
7355 case DW_OP_reg27:
7356 case DW_OP_reg28:
7357 case DW_OP_reg29:
7358 case DW_OP_reg30:
7359 case DW_OP_reg31:
7360 printf ("DW_OP_reg%d", op - DW_OP_reg0);
7361 break;
7362
7363 case DW_OP_breg0:
7364 case DW_OP_breg1:
7365 case DW_OP_breg2:
7366 case DW_OP_breg3:
7367 case DW_OP_breg4:
7368 case DW_OP_breg5:
7369 case DW_OP_breg6:
7370 case DW_OP_breg7:
7371 case DW_OP_breg8:
7372 case DW_OP_breg9:
7373 case DW_OP_breg10:
7374 case DW_OP_breg11:
7375 case DW_OP_breg12:
7376 case DW_OP_breg13:
7377 case DW_OP_breg14:
7378 case DW_OP_breg15:
7379 case DW_OP_breg16:
7380 case DW_OP_breg17:
7381 case DW_OP_breg18:
7382 case DW_OP_breg19:
7383 case DW_OP_breg20:
7384 case DW_OP_breg21:
7385 case DW_OP_breg22:
7386 case DW_OP_breg23:
7387 case DW_OP_breg24:
7388 case DW_OP_breg25:
7389 case DW_OP_breg26:
7390 case DW_OP_breg27:
7391 case DW_OP_breg28:
7392 case DW_OP_breg29:
7393 case DW_OP_breg30:
7394 case DW_OP_breg31:
7395 printf ("DW_OP_breg%d: %ld", op - DW_OP_breg0,
7396 read_leb128 (data, &bytes_read, 1));
7397 data += bytes_read;
7398 break;
7399
7400 case DW_OP_regx:
7401 printf ("DW_OP_regx: %lu", read_leb128 (data, &bytes_read, 0));
7402 data += bytes_read;
7403 break;
7404 case DW_OP_fbreg:
7405 printf ("DW_OP_fbreg: %ld", read_leb128 (data, &bytes_read, 1));
7406 data += bytes_read;
7407 break;
7408 case DW_OP_bregx:
7409 uvalue = read_leb128 (data, &bytes_read, 0);
7410 data += bytes_read;
7411 printf ("DW_OP_bregx: %lu %ld", uvalue,
7412 read_leb128 (data, &bytes_read, 1));
7413 data += bytes_read;
7414 break;
7415 case DW_OP_piece:
7416 printf ("DW_OP_piece: %lu", read_leb128 (data, &bytes_read, 0));
7417 data += bytes_read;
7418 break;
7419 case DW_OP_deref_size:
7420 printf ("DW_OP_deref_size: %ld", (long) byte_get (data++, 1));
7421 break;
7422 case DW_OP_xderef_size:
7423 printf ("DW_OP_xderef_size: %ld", (long) byte_get (data++, 1));
7424 break;
7425 case DW_OP_nop:
7426 printf ("DW_OP_nop");
7427 break;
7428
7429 /* DWARF 3 extensions. */
7430 case DW_OP_push_object_address:
7431 printf ("DW_OP_push_object_address");
7432 break;
7433 case DW_OP_call2:
7434 printf ("DW_OP_call2: <%lx>", (long) byte_get (data, 2));
7435 data += 2;
7436 break;
7437 case DW_OP_call4:
7438 printf ("DW_OP_call4: <%lx>", (long) byte_get (data, 4));
7439 data += 4;
7440 break;
7441 case DW_OP_call_ref:
7442 printf ("DW_OP_call_ref");
7443 break;
7444
7445 /* GNU extensions. */
7446 case DW_OP_GNU_push_tls_address:
7447 printf ("DW_OP_GNU_push_tls_address");
7448 break;
7449
7450 default:
7451 if (op >= DW_OP_lo_user
7452 && op <= DW_OP_hi_user)
7453 printf (_("(User defined location op)"));
7454 else
7455 printf (_("(Unknown location op)"));
7456 /* No way to tell where the next op is, so just bail. */
7457 return;
7458 }
7459
7460 /* Separate the ops. */
7461 if (data < end)
7462 printf ("; ");
7463 }
7464 }
7465
7466 static const char *debug_loc_contents;
7467 static bfd_vma debug_loc_size;
7468
7469 static void
7470 load_debug_loc (FILE *file)
7471 {
7472 Elf_Internal_Shdr *sec;
7473 unsigned int i;
7474
7475 /* If it is already loaded, do nothing. */
7476 if (debug_loc_contents != NULL)
7477 return;
7478
7479 /* Locate the .debug_loc section. */
7480 for (i = 0, sec = section_headers;
7481 i < elf_header.e_shnum;
7482 i++, sec++)
7483 if (strcmp (SECTION_NAME (sec), ".debug_loc") == 0)
7484 break;
7485
7486 if (i == elf_header.e_shnum || sec->sh_size == 0)
7487 return;
7488
7489 debug_loc_size = sec->sh_size;
7490
7491 debug_loc_contents = get_data (NULL, file, sec->sh_offset, sec->sh_size,
7492 _("debug_loc section data"));
7493 }
7494
7495 static void
7496 free_debug_loc (void)
7497 {
7498 if (debug_loc_contents == NULL)
7499 return;
7500
7501 free ((char *) debug_loc_contents);
7502 debug_loc_contents = NULL;
7503 debug_loc_size = 0;
7504 }
7505
7506
7507 static int
7508 display_debug_loc (Elf_Internal_Shdr *section,
7509 unsigned char *start,
7510 FILE *file ATTRIBUTE_UNUSED)
7511 {
7512 unsigned char *section_end;
7513 unsigned long bytes;
7514 unsigned char *section_begin = start;
7515 bfd_vma addr;
7516
7517 addr = section->sh_addr;
7518 bytes = section->sh_size;
7519 section_end = start + bytes;
7520
7521 if (bytes == 0)
7522 {
7523 printf (_("\nThe .debug_loc section is empty.\n"));
7524 return 0;
7525 }
7526
7527 printf (_("Contents of the .debug_loc section:\n\n"));
7528 printf (_("\n Offset Begin End Expression\n"));
7529
7530 while (start < section_end)
7531 {
7532 unsigned long begin;
7533 unsigned long end;
7534 unsigned short length;
7535 unsigned long offset;
7536
7537 offset = start - section_begin;
7538
7539 while (1)
7540 {
7541 /* Normally, the lists in the debug_loc section are related to a
7542 given compilation unit, and thus, we would use the pointer size
7543 of that compilation unit. However, since we are displaying it
7544 seperately here, we either have to store pointer sizes of all
7545 compilation units, or assume they don't change. We assume,
7546 like the debug_line display, that it doesn't change. */
7547 begin = byte_get (start, debug_line_pointer_size);
7548 start += debug_line_pointer_size;
7549 end = byte_get (start, debug_line_pointer_size);
7550 start += debug_line_pointer_size;
7551
7552 if (begin == 0 && end == 0)
7553 break;
7554
7555 /* For now, skip any base address specifiers. */
7556 if (begin == 0xffffffff)
7557 continue;
7558
7559 begin += addr;
7560 end += addr;
7561
7562 length = byte_get (start, 2);
7563 start += 2;
7564
7565 printf (" %8.8lx %8.8lx %8.8lx (", offset, begin, end);
7566 decode_location_expression (start, debug_line_pointer_size, length);
7567 printf (")\n");
7568
7569 start += length;
7570 }
7571 printf ("\n");
7572 }
7573 return 1;
7574 }
7575
7576 static const char *debug_str_contents;
7577 static bfd_vma debug_str_size;
7578
7579 static void
7580 load_debug_str (FILE *file)
7581 {
7582 Elf_Internal_Shdr *sec;
7583 unsigned int i;
7584
7585 /* If it is already loaded, do nothing. */
7586 if (debug_str_contents != NULL)
7587 return;
7588
7589 /* Locate the .debug_str section. */
7590 for (i = 0, sec = section_headers;
7591 i < elf_header.e_shnum;
7592 i++, sec++)
7593 if (strcmp (SECTION_NAME (sec), ".debug_str") == 0)
7594 break;
7595
7596 if (i == elf_header.e_shnum || sec->sh_size == 0)
7597 return;
7598
7599 debug_str_size = sec->sh_size;
7600
7601 debug_str_contents = get_data (NULL, file, sec->sh_offset, sec->sh_size,
7602 _("debug_str section data"));
7603 }
7604
7605 static void
7606 free_debug_str (void)
7607 {
7608 if (debug_str_contents == NULL)
7609 return;
7610
7611 free ((char *) debug_str_contents);
7612 debug_str_contents = NULL;
7613 debug_str_size = 0;
7614 }
7615
7616 static const char *
7617 fetch_indirect_string (unsigned long offset)
7618 {
7619 if (debug_str_contents == NULL)
7620 return _("<no .debug_str section>");
7621
7622 if (offset > debug_str_size)
7623 return _("<offset is too big>");
7624
7625 return debug_str_contents + offset;
7626 }
7627
7628 static int
7629 display_debug_str (Elf_Internal_Shdr *section,
7630 unsigned char *start,
7631 FILE *file ATTRIBUTE_UNUSED)
7632 {
7633 unsigned long bytes;
7634 bfd_vma addr;
7635
7636 addr = section->sh_addr;
7637 bytes = section->sh_size;
7638
7639 if (bytes == 0)
7640 {
7641 printf (_("\nThe .debug_str section is empty.\n"));
7642 return 0;
7643 }
7644
7645 printf (_("Contents of the .debug_str section:\n\n"));
7646
7647 while (bytes)
7648 {
7649 int j;
7650 int k;
7651 int lbytes;
7652
7653 lbytes = (bytes > 16 ? 16 : bytes);
7654
7655 printf (" 0x%8.8lx ", (unsigned long) addr);
7656
7657 for (j = 0; j < 16; j++)
7658 {
7659 if (j < lbytes)
7660 printf ("%2.2x", start[j]);
7661 else
7662 printf (" ");
7663
7664 if ((j & 3) == 3)
7665 printf (" ");
7666 }
7667
7668 for (j = 0; j < lbytes; j++)
7669 {
7670 k = start[j];
7671 if (k >= ' ' && k < 0x80)
7672 printf ("%c", k);
7673 else
7674 printf (".");
7675 }
7676
7677 putchar ('\n');
7678
7679 start += lbytes;
7680 addr += lbytes;
7681 bytes -= lbytes;
7682 }
7683
7684 return 1;
7685 }
7686
7687 static unsigned char *
7688 read_and_display_attr_value (unsigned long attribute,
7689 unsigned long form,
7690 unsigned char *data,
7691 unsigned long cu_offset,
7692 unsigned long pointer_size,
7693 unsigned long offset_size,
7694 int dwarf_version)
7695 {
7696 unsigned long uvalue = 0;
7697 unsigned char *block_start = NULL;
7698 int bytes_read;
7699
7700 switch (form)
7701 {
7702 default:
7703 break;
7704
7705 case DW_FORM_ref_addr:
7706 if (dwarf_version == 2)
7707 {
7708 uvalue = byte_get (data, pointer_size);
7709 data += pointer_size;
7710 }
7711 else if (dwarf_version == 3)
7712 {
7713 uvalue = byte_get (data, offset_size);
7714 data += offset_size;
7715 }
7716 else
7717 {
7718 error (_("Internal error: DWARF version is not 2 or 3.\n"));
7719 }
7720 break;
7721
7722 case DW_FORM_addr:
7723 uvalue = byte_get (data, pointer_size);
7724 data += pointer_size;
7725 break;
7726
7727 case DW_FORM_strp:
7728 uvalue = byte_get (data, offset_size);
7729 data += offset_size;
7730 break;
7731
7732 case DW_FORM_ref1:
7733 case DW_FORM_flag:
7734 case DW_FORM_data1:
7735 uvalue = byte_get (data++, 1);
7736 break;
7737
7738 case DW_FORM_ref2:
7739 case DW_FORM_data2:
7740 uvalue = byte_get (data, 2);
7741 data += 2;
7742 break;
7743
7744 case DW_FORM_ref4:
7745 case DW_FORM_data4:
7746 uvalue = byte_get (data, 4);
7747 data += 4;
7748 break;
7749
7750 case DW_FORM_sdata:
7751 uvalue = read_leb128 (data, & bytes_read, 1);
7752 data += bytes_read;
7753 break;
7754
7755 case DW_FORM_ref_udata:
7756 case DW_FORM_udata:
7757 uvalue = read_leb128 (data, & bytes_read, 0);
7758 data += bytes_read;
7759 break;
7760
7761 case DW_FORM_indirect:
7762 form = read_leb128 (data, & bytes_read, 0);
7763 data += bytes_read;
7764 printf (" %s", get_FORM_name (form));
7765 return read_and_display_attr_value (attribute, form, data, cu_offset,
7766 pointer_size, offset_size,
7767 dwarf_version);
7768 }
7769
7770 switch (form)
7771 {
7772 case DW_FORM_ref_addr:
7773 printf (" <#%lx>", uvalue);
7774 break;
7775
7776 case DW_FORM_ref1:
7777 case DW_FORM_ref2:
7778 case DW_FORM_ref4:
7779 case DW_FORM_ref_udata:
7780 printf (" <%lx>", uvalue + cu_offset);
7781 break;
7782
7783 case DW_FORM_addr:
7784 printf (" %#lx", uvalue);
7785
7786 case DW_FORM_flag:
7787 case DW_FORM_data1:
7788 case DW_FORM_data2:
7789 case DW_FORM_data4:
7790 case DW_FORM_sdata:
7791 case DW_FORM_udata:
7792 printf (" %ld", uvalue);
7793 break;
7794
7795 case DW_FORM_ref8:
7796 case DW_FORM_data8:
7797 uvalue = byte_get (data, 4);
7798 printf (" %lx", uvalue);
7799 printf (" %lx", (unsigned long) byte_get (data + 4, 4));
7800 data += 8;
7801 break;
7802
7803 case DW_FORM_string:
7804 printf (" %s", data);
7805 data += strlen ((char *) data) + 1;
7806 break;
7807
7808 case DW_FORM_block:
7809 uvalue = read_leb128 (data, & bytes_read, 0);
7810 block_start = data + bytes_read;
7811 data = display_block (block_start, uvalue);
7812 break;
7813
7814 case DW_FORM_block1:
7815 uvalue = byte_get (data, 1);
7816 block_start = data + 1;
7817 data = display_block (block_start, uvalue);
7818 break;
7819
7820 case DW_FORM_block2:
7821 uvalue = byte_get (data, 2);
7822 block_start = data + 2;
7823 data = display_block (block_start, uvalue);
7824 break;
7825
7826 case DW_FORM_block4:
7827 uvalue = byte_get (data, 4);
7828 block_start = data + 4;
7829 data = display_block (block_start, uvalue);
7830 break;
7831
7832 case DW_FORM_strp:
7833 printf (_(" (indirect string, offset: 0x%lx): %s"),
7834 uvalue, fetch_indirect_string (uvalue));
7835 break;
7836
7837 case DW_FORM_indirect:
7838 /* Handled above. */
7839 break;
7840
7841 default:
7842 warn (_("Unrecognized form: %d\n"), form);
7843 break;
7844 }
7845
7846 /* For some attributes we can display futher information. */
7847
7848 printf ("\t");
7849
7850 switch (attribute)
7851 {
7852 case DW_AT_inline:
7853 switch (uvalue)
7854 {
7855 case DW_INL_not_inlined:
7856 printf (_("(not inlined)"));
7857 break;
7858 case DW_INL_inlined:
7859 printf (_("(inlined)"));
7860 break;
7861 case DW_INL_declared_not_inlined:
7862 printf (_("(declared as inline but ignored)"));
7863 break;
7864 case DW_INL_declared_inlined:
7865 printf (_("(declared as inline and inlined)"));
7866 break;
7867 default:
7868 printf (_(" (Unknown inline attribute value: %lx)"), uvalue);
7869 break;
7870 }
7871 break;
7872
7873 case DW_AT_language:
7874 switch (uvalue)
7875 {
7876 case DW_LANG_C: printf ("(non-ANSI C)"); break;
7877 case DW_LANG_C89: printf ("(ANSI C)"); break;
7878 case DW_LANG_C_plus_plus: printf ("(C++)"); break;
7879 case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break;
7880 case DW_LANG_Fortran90: printf ("(Fortran 90)"); break;
7881 case DW_LANG_Modula2: printf ("(Modula 2)"); break;
7882 case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break;
7883 case DW_LANG_Ada83: printf ("(Ada)"); break;
7884 case DW_LANG_Cobol74: printf ("(Cobol 74)"); break;
7885 case DW_LANG_Cobol85: printf ("(Cobol 85)"); break;
7886 /* DWARF 2.1 values. */
7887 case DW_LANG_C99: printf ("(ANSI C99)"); break;
7888 case DW_LANG_Ada95: printf ("(ADA 95)"); break;
7889 case DW_LANG_Fortran95: printf ("(Fortran 95)"); break;
7890 /* MIPS extension. */
7891 case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break;
7892 /* UPC extension. */
7893 case DW_LANG_Upc: printf ("(Unified Parallel C)"); break;
7894 default:
7895 printf ("(Unknown: %lx)", uvalue);
7896 break;
7897 }
7898 break;
7899
7900 case DW_AT_encoding:
7901 switch (uvalue)
7902 {
7903 case DW_ATE_void: printf ("(void)"); break;
7904 case DW_ATE_address: printf ("(machine address)"); break;
7905 case DW_ATE_boolean: printf ("(boolean)"); break;
7906 case DW_ATE_complex_float: printf ("(complex float)"); break;
7907 case DW_ATE_float: printf ("(float)"); break;
7908 case DW_ATE_signed: printf ("(signed)"); break;
7909 case DW_ATE_signed_char: printf ("(signed char)"); break;
7910 case DW_ATE_unsigned: printf ("(unsigned)"); break;
7911 case DW_ATE_unsigned_char: printf ("(unsigned char)"); break;
7912 /* DWARF 2.1 value. */
7913 case DW_ATE_imaginary_float: printf ("(imaginary float)"); break;
7914 default:
7915 if (uvalue >= DW_ATE_lo_user
7916 && uvalue <= DW_ATE_hi_user)
7917 printf ("(user defined type)");
7918 else
7919 printf ("(unknown type)");
7920 break;
7921 }
7922 break;
7923
7924 case DW_AT_accessibility:
7925 switch (uvalue)
7926 {
7927 case DW_ACCESS_public: printf ("(public)"); break;
7928 case DW_ACCESS_protected: printf ("(protected)"); break;
7929 case DW_ACCESS_private: printf ("(private)"); break;
7930 default:
7931 printf ("(unknown accessibility)");
7932 break;
7933 }
7934 break;
7935
7936 case DW_AT_visibility:
7937 switch (uvalue)
7938 {
7939 case DW_VIS_local: printf ("(local)"); break;
7940 case DW_VIS_exported: printf ("(exported)"); break;
7941 case DW_VIS_qualified: printf ("(qualified)"); break;
7942 default: printf ("(unknown visibility)"); break;
7943 }
7944 break;
7945
7946 case DW_AT_virtuality:
7947 switch (uvalue)
7948 {
7949 case DW_VIRTUALITY_none: printf ("(none)"); break;
7950 case DW_VIRTUALITY_virtual: printf ("(virtual)"); break;
7951 case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break;
7952 default: printf ("(unknown virtuality)"); break;
7953 }
7954 break;
7955
7956 case DW_AT_identifier_case:
7957 switch (uvalue)
7958 {
7959 case DW_ID_case_sensitive: printf ("(case_sensitive)"); break;
7960 case DW_ID_up_case: printf ("(up_case)"); break;
7961 case DW_ID_down_case: printf ("(down_case)"); break;
7962 case DW_ID_case_insensitive: printf ("(case_insensitive)"); break;
7963 default: printf ("(unknown case)"); break;
7964 }
7965 break;
7966
7967 case DW_AT_calling_convention:
7968 switch (uvalue)
7969 {
7970 case DW_CC_normal: printf ("(normal)"); break;
7971 case DW_CC_program: printf ("(program)"); break;
7972 case DW_CC_nocall: printf ("(nocall)"); break;
7973 default:
7974 if (uvalue >= DW_CC_lo_user
7975 && uvalue <= DW_CC_hi_user)
7976 printf ("(user defined)");
7977 else
7978 printf ("(unknown convention)");
7979 }
7980 break;
7981
7982 case DW_AT_ordering:
7983 switch (uvalue)
7984 {
7985 case -1: printf ("(undefined)"); break;
7986 case 0: printf ("(row major)"); break;
7987 case 1: printf ("(column major)"); break;
7988 }
7989 break;
7990
7991 case DW_AT_frame_base:
7992 case DW_AT_location:
7993 case DW_AT_data_member_location:
7994 case DW_AT_vtable_elem_location:
7995 case DW_AT_allocated:
7996 case DW_AT_associated:
7997 case DW_AT_data_location:
7998 case DW_AT_stride:
7999 case DW_AT_upper_bound:
8000 case DW_AT_lower_bound:
8001 if (block_start)
8002 {
8003 printf ("(");
8004 decode_location_expression (block_start, pointer_size, uvalue);
8005 printf (")");
8006 }
8007 else if (form == DW_FORM_data4 || form == DW_FORM_data8)
8008 {
8009 printf ("(");
8010 printf ("location list");
8011 printf (")");
8012 }
8013 break;
8014
8015 default:
8016 break;
8017 }
8018
8019 return data;
8020 }
8021
8022 static unsigned char *
8023 read_and_display_attr (unsigned long attribute,
8024 unsigned long form,
8025 unsigned char *data,
8026 unsigned long cu_offset,
8027 unsigned long pointer_size,
8028 unsigned long offset_size,
8029 int dwarf_version)
8030 {
8031 printf (" %-18s:", get_AT_name (attribute));
8032 data = read_and_display_attr_value (attribute, form, data, cu_offset,
8033 pointer_size, offset_size, dwarf_version);
8034 printf ("\n");
8035 return data;
8036 }
8037
8038 static int
8039 display_debug_info (Elf_Internal_Shdr *section,
8040 unsigned char *start,
8041 FILE *file)
8042 {
8043 unsigned char *end = start + section->sh_size;
8044 unsigned char *section_begin = start;
8045
8046 printf (_("The section %s contains:\n\n"), SECTION_NAME (section));
8047
8048 load_debug_str (file);
8049 load_debug_loc (file);
8050
8051 while (start < end)
8052 {
8053 DWARF2_Internal_CompUnit compunit;
8054 Elf_Internal_Shdr *relsec;
8055 unsigned char *hdrptr;
8056 unsigned char *cu_abbrev_offset_ptr;
8057 unsigned char *tags;
8058 unsigned int i;
8059 int level;
8060 unsigned long cu_offset;
8061 int offset_size;
8062 int initial_length_size;
8063
8064 hdrptr = start;
8065
8066 compunit.cu_length = byte_get (hdrptr, 4);
8067 hdrptr += 4;
8068
8069 if (compunit.cu_length == 0xffffffff)
8070 {
8071 compunit.cu_length = byte_get (hdrptr, 8);
8072 hdrptr += 8;
8073 offset_size = 8;
8074 initial_length_size = 12;
8075 }
8076 else
8077 {
8078 offset_size = 4;
8079 initial_length_size = 4;
8080 }
8081
8082 compunit.cu_version = byte_get (hdrptr, 2);
8083 hdrptr += 2;
8084
8085 /* Apply addends of RELA relocations. */
8086 for (relsec = section_headers;
8087 relsec < section_headers + elf_header.e_shnum;
8088 ++relsec)
8089 {
8090 unsigned long nrelas;
8091 Elf_Internal_Rela *rela, *rp;
8092 Elf_Internal_Shdr *symsec;
8093 Elf_Internal_Sym *symtab;
8094 Elf_Internal_Sym *sym;
8095
8096 if (relsec->sh_type != SHT_RELA
8097 || SECTION_HEADER (relsec->sh_info) != section
8098 || relsec->sh_size == 0)
8099 continue;
8100
8101 if (!slurp_rela_relocs (file, relsec->sh_offset, relsec->sh_size,
8102 & rela, & nrelas))
8103 return 0;
8104
8105 symsec = SECTION_HEADER (relsec->sh_link);
8106 symtab = GET_ELF_SYMBOLS (file, symsec);
8107
8108 for (rp = rela; rp < rela + nrelas; ++rp)
8109 {
8110 unsigned char *loc;
8111
8112 if (rp->r_offset >= (bfd_vma) (hdrptr - section_begin)
8113 && section->sh_size > (bfd_vma) offset_size
8114 && rp->r_offset <= section->sh_size - offset_size)
8115 loc = section_begin + rp->r_offset;
8116 else
8117 continue;
8118
8119 if (is_32bit_elf)
8120 {
8121 sym = symtab + ELF32_R_SYM (rp->r_info);
8122
8123 if (ELF32_R_SYM (rp->r_info) != 0
8124 && ELF32_ST_TYPE (sym->st_info) != STT_SECTION)
8125 {
8126 warn (_("Skipping unexpected symbol type %u\n"),
8127 ELF32_ST_TYPE (sym->st_info));
8128 continue;
8129 }
8130 }
8131 else
8132 {
8133 sym = symtab + ELF64_R_SYM (rp->r_info);
8134
8135 if (ELF64_R_SYM (rp->r_info) != 0
8136 && ELF64_ST_TYPE (sym->st_info) != STT_SECTION)
8137 {
8138 warn (_("Skipping unexpected symbol type %u\n"),
8139 ELF64_ST_TYPE (sym->st_info));
8140 continue;
8141 }
8142 }
8143
8144 byte_put (loc, rp->r_addend, offset_size);
8145 }
8146
8147 free (rela);
8148 break;
8149 }
8150
8151 cu_abbrev_offset_ptr = hdrptr;
8152 compunit.cu_abbrev_offset = byte_get (hdrptr, offset_size);
8153 hdrptr += offset_size;
8154
8155 compunit.cu_pointer_size = byte_get (hdrptr, 1);
8156 hdrptr += 1;
8157
8158 tags = hdrptr;
8159 cu_offset = start - section_begin;
8160 start += compunit.cu_length + initial_length_size;
8161
8162 printf (_(" Compilation Unit @ %lx:\n"), cu_offset);
8163 printf (_(" Length: %ld\n"), compunit.cu_length);
8164 printf (_(" Version: %d\n"), compunit.cu_version);
8165 printf (_(" Abbrev Offset: %ld\n"), compunit.cu_abbrev_offset);
8166 printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
8167
8168 if (compunit.cu_version != 2 && compunit.cu_version != 3)
8169 {
8170 warn (_("Only version 2 and 3 DWARF debug information is currently supported.\n"));
8171 continue;
8172 }
8173
8174 free_abbrevs ();
8175
8176 /* Read in the abbrevs used by this compilation unit. */
8177 {
8178 Elf_Internal_Shdr *sec;
8179 unsigned char *begin;
8180
8181 /* Locate the .debug_abbrev section and process it. */
8182 for (i = 0, sec = section_headers;
8183 i < elf_header.e_shnum;
8184 i++, sec++)
8185 if (strcmp (SECTION_NAME (sec), ".debug_abbrev") == 0)
8186 break;
8187
8188 if (i == elf_header.e_shnum || sec->sh_size == 0)
8189 {
8190 warn (_("Unable to locate .debug_abbrev section!\n"));
8191 return 0;
8192 }
8193
8194 begin = get_data (NULL, file, sec->sh_offset, sec->sh_size,
8195 _("debug_abbrev section data"));
8196 if (!begin)
8197 return 0;
8198
8199 process_abbrev_section (begin + compunit.cu_abbrev_offset,
8200 begin + sec->sh_size);
8201
8202 free (begin);
8203 }
8204
8205 level = 0;
8206 while (tags < start)
8207 {
8208 int bytes_read;
8209 unsigned long abbrev_number;
8210 abbrev_entry *entry;
8211 abbrev_attr *attr;
8212
8213 abbrev_number = read_leb128 (tags, & bytes_read, 0);
8214 tags += bytes_read;
8215
8216 /* A null DIE marks the end of a list of children. */
8217 if (abbrev_number == 0)
8218 {
8219 --level;
8220 continue;
8221 }
8222
8223 /* Scan through the abbreviation list until we reach the
8224 correct entry. */
8225 for (entry = first_abbrev;
8226 entry && entry->entry != abbrev_number;
8227 entry = entry->next)
8228 continue;
8229
8230 if (entry == NULL)
8231 {
8232 warn (_("Unable to locate entry %lu in the abbreviation table\n"),
8233 abbrev_number);
8234 return 0;
8235 }
8236
8237 printf (_(" <%d><%lx>: Abbrev Number: %lu (%s)\n"),
8238 level,
8239 (unsigned long) (tags - section_begin - bytes_read),
8240 abbrev_number,
8241 get_TAG_name (entry->tag));
8242
8243 for (attr = entry->first_attr; attr; attr = attr->next)
8244 tags = read_and_display_attr (attr->attribute,
8245 attr->form,
8246 tags, cu_offset,
8247 compunit.cu_pointer_size,
8248 offset_size,
8249 compunit.cu_version);
8250
8251 if (entry->children)
8252 ++level;
8253 }
8254 }
8255
8256 free_debug_str ();
8257 free_debug_loc ();
8258
8259 printf ("\n");
8260
8261 return 1;
8262 }
8263
8264 static int
8265 display_debug_aranges (Elf_Internal_Shdr *section,
8266 unsigned char *start,
8267 FILE *file ATTRIBUTE_UNUSED)
8268 {
8269 unsigned char *end = start + section->sh_size;
8270
8271 printf (_("The section %s contains:\n\n"), SECTION_NAME (section));
8272
8273 while (start < end)
8274 {
8275 unsigned char *hdrptr;
8276 DWARF2_Internal_ARange arange;
8277 unsigned char *ranges;
8278 unsigned long length;
8279 unsigned long address;
8280 int excess;
8281 int offset_size;
8282 int initial_length_size;
8283
8284 hdrptr = start;
8285
8286 arange.ar_length = byte_get (hdrptr, 4);
8287 hdrptr += 4;
8288
8289 if (arange.ar_length == 0xffffffff)
8290 {
8291 arange.ar_length = byte_get (hdrptr, 8);
8292 hdrptr += 8;
8293 offset_size = 8;
8294 initial_length_size = 12;
8295 }
8296 else
8297 {
8298 offset_size = 4;
8299 initial_length_size = 4;
8300 }
8301
8302 arange.ar_version = byte_get (hdrptr, 2);
8303 hdrptr += 2;
8304
8305 arange.ar_info_offset = byte_get (hdrptr, offset_size);
8306 hdrptr += offset_size;
8307
8308 arange.ar_pointer_size = byte_get (hdrptr, 1);
8309 hdrptr += 1;
8310
8311 arange.ar_segment_size = byte_get (hdrptr, 1);
8312 hdrptr += 1;
8313
8314 if (arange.ar_version != 2 && arange.ar_version != 3)
8315 {
8316 warn (_("Only DWARF 2 and 3 aranges are currently supported.\n"));
8317 break;
8318 }
8319
8320 printf (_(" Length: %ld\n"), arange.ar_length);
8321 printf (_(" Version: %d\n"), arange.ar_version);
8322 printf (_(" Offset into .debug_info: %lx\n"), arange.ar_info_offset);
8323 printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size);
8324 printf (_(" Segment Size: %d\n"), arange.ar_segment_size);
8325
8326 printf (_("\n Address Length\n"));
8327
8328 ranges = hdrptr;
8329
8330 /* Must pad to an alignment boundary that is twice the pointer size. */
8331 excess = (hdrptr - start) % (2 * arange.ar_pointer_size);
8332 if (excess)
8333 ranges += (2 * arange.ar_pointer_size) - excess;
8334
8335 for (;;)
8336 {
8337 address = byte_get (ranges, arange.ar_pointer_size);
8338
8339 ranges += arange.ar_pointer_size;
8340
8341 length = byte_get (ranges, arange.ar_pointer_size);
8342
8343 ranges += arange.ar_pointer_size;
8344
8345 /* A pair of zeros marks the end of the list. */
8346 if (address == 0 && length == 0)
8347 break;
8348
8349 printf (" %8.8lx %lu\n", address, length);
8350 }
8351
8352 start += arange.ar_length + initial_length_size;
8353 }
8354
8355 printf ("\n");
8356
8357 return 1;
8358 }
8359
8360 typedef struct Frame_Chunk
8361 {
8362 struct Frame_Chunk *next;
8363 unsigned char *chunk_start;
8364 int ncols;
8365 /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */
8366 short int *col_type;
8367 int *col_offset;
8368 char *augmentation;
8369 unsigned int code_factor;
8370 int data_factor;
8371 unsigned long pc_begin;
8372 unsigned long pc_range;
8373 int cfa_reg;
8374 int cfa_offset;
8375 int ra;
8376 unsigned char fde_encoding;
8377 unsigned char cfa_exp;
8378 }
8379 Frame_Chunk;
8380
8381 /* A marker for a col_type that means this column was never referenced
8382 in the frame info. */
8383 #define DW_CFA_unreferenced (-1)
8384
8385 static void
8386 frame_need_space (Frame_Chunk *fc, int reg)
8387 {
8388 int prev = fc->ncols;
8389
8390 if (reg < fc->ncols)
8391 return;
8392
8393 fc->ncols = reg + 1;
8394 fc->col_type = xrealloc (fc->col_type, fc->ncols * sizeof (short int));
8395 fc->col_offset = xrealloc (fc->col_offset, fc->ncols * sizeof (int));
8396
8397 while (prev < fc->ncols)
8398 {
8399 fc->col_type[prev] = DW_CFA_unreferenced;
8400 fc->col_offset[prev] = 0;
8401 prev++;
8402 }
8403 }
8404
8405 static void
8406 frame_display_row (Frame_Chunk *fc, int *need_col_headers, int *max_regs)
8407 {
8408 int r;
8409 char tmp[100];
8410
8411 if (*max_regs < fc->ncols)
8412 *max_regs = fc->ncols;
8413
8414 if (*need_col_headers)
8415 {
8416 *need_col_headers = 0;
8417
8418 printf (" LOC CFA ");
8419
8420 for (r = 0; r < *max_regs; r++)
8421 if (fc->col_type[r] != DW_CFA_unreferenced)
8422 {
8423 if (r == fc->ra)
8424 printf ("ra ");
8425 else
8426 printf ("r%-4d", r);
8427 }
8428
8429 printf ("\n");
8430 }
8431
8432 printf ("%08lx ", fc->pc_begin);
8433 if (fc->cfa_exp)
8434 strcpy (tmp, "exp");
8435 else
8436 sprintf (tmp, "r%d%+d", fc->cfa_reg, fc->cfa_offset);
8437 printf ("%-8s ", tmp);
8438
8439 for (r = 0; r < fc->ncols; r++)
8440 {
8441 if (fc->col_type[r] != DW_CFA_unreferenced)
8442 {
8443 switch (fc->col_type[r])
8444 {
8445 case DW_CFA_undefined:
8446 strcpy (tmp, "u");
8447 break;
8448 case DW_CFA_same_value:
8449 strcpy (tmp, "s");
8450 break;
8451 case DW_CFA_offset:
8452 sprintf (tmp, "c%+d", fc->col_offset[r]);
8453 break;
8454 case DW_CFA_register:
8455 sprintf (tmp, "r%d", fc->col_offset[r]);
8456 break;
8457 case DW_CFA_expression:
8458 strcpy (tmp, "exp");
8459 break;
8460 default:
8461 strcpy (tmp, "n/a");
8462 break;
8463 }
8464 printf ("%-5s", tmp);
8465 }
8466 }
8467 printf ("\n");
8468 }
8469
8470 static int
8471 size_of_encoded_value (int encoding)
8472 {
8473 switch (encoding & 0x7)
8474 {
8475 default: /* ??? */
8476 case 0: return is_32bit_elf ? 4 : 8;
8477 case 2: return 2;
8478 case 3: return 4;
8479 case 4: return 8;
8480 }
8481 }
8482
8483 static bfd_vma
8484 get_encoded_value (unsigned char *data, int encoding)
8485 {
8486 int size = size_of_encoded_value (encoding);
8487 if (encoding & DW_EH_PE_signed)
8488 return byte_get_signed (data, size);
8489 else
8490 return byte_get (data, size);
8491 }
8492
8493 #define GET(N) byte_get (start, N); start += N
8494 #define LEB() read_leb128 (start, & length_return, 0); start += length_return
8495 #define SLEB() read_leb128 (start, & length_return, 1); start += length_return
8496
8497 static int
8498 display_debug_frames (Elf_Internal_Shdr *section,
8499 unsigned char *start,
8500 FILE *file ATTRIBUTE_UNUSED)
8501 {
8502 unsigned char *end = start + section->sh_size;
8503 unsigned char *section_start = start;
8504 Frame_Chunk *chunks = 0;
8505 Frame_Chunk *remembered_state = 0;
8506 Frame_Chunk *rs;
8507 int is_eh = (strcmp (SECTION_NAME (section), ".eh_frame") == 0);
8508 int length_return;
8509 int max_regs = 0;
8510 int addr_size = is_32bit_elf ? 4 : 8;
8511
8512 printf (_("The section %s contains:\n"), SECTION_NAME (section));
8513
8514 while (start < end)
8515 {
8516 unsigned char *saved_start;
8517 unsigned char *block_end;
8518 unsigned long length;
8519 unsigned long cie_id;
8520 Frame_Chunk *fc;
8521 Frame_Chunk *cie;
8522 int need_col_headers = 1;
8523 unsigned char *augmentation_data = NULL;
8524 unsigned long augmentation_data_len = 0;
8525 int encoded_ptr_size = addr_size;
8526 int offset_size;
8527 int initial_length_size;
8528
8529 saved_start = start;
8530 length = byte_get (start, 4); start += 4;
8531
8532 if (length == 0)
8533 {
8534 printf ("\n%08lx ZERO terminator\n\n",
8535 (unsigned long)(saved_start - section_start));
8536 return 1;
8537 }
8538
8539 if (length == 0xffffffff)
8540 {
8541 length = byte_get (start, 8);
8542 start += 8;
8543 offset_size = 8;
8544 initial_length_size = 12;
8545 }
8546 else
8547 {
8548 offset_size = 4;
8549 initial_length_size = 4;
8550 }
8551
8552 block_end = saved_start + length + initial_length_size;
8553 cie_id = byte_get (start, offset_size); start += offset_size;
8554
8555 if (is_eh ? (cie_id == 0) : (cie_id == DW_CIE_ID))
8556 {
8557 int version;
8558
8559 fc = xmalloc (sizeof (Frame_Chunk));
8560 memset (fc, 0, sizeof (Frame_Chunk));
8561
8562 fc->next = chunks;
8563 chunks = fc;
8564 fc->chunk_start = saved_start;
8565 fc->ncols = 0;
8566 fc->col_type = xmalloc (sizeof (short int));
8567 fc->col_offset = xmalloc (sizeof (int));
8568 frame_need_space (fc, max_regs-1);
8569
8570 version = *start++;
8571
8572 fc->augmentation = start;
8573 start = strchr (start, '\0') + 1;
8574
8575 if (fc->augmentation[0] == 'z')
8576 {
8577 fc->code_factor = LEB ();
8578 fc->data_factor = SLEB ();
8579 fc->ra = byte_get (start, 1); start += 1;
8580 augmentation_data_len = LEB ();
8581 augmentation_data = start;
8582 start += augmentation_data_len;
8583 }
8584 else if (strcmp (fc->augmentation, "eh") == 0)
8585 {
8586 start += addr_size;
8587 fc->code_factor = LEB ();
8588 fc->data_factor = SLEB ();
8589 fc->ra = byte_get (start, 1); start += 1;
8590 }
8591 else
8592 {
8593 fc->code_factor = LEB ();
8594 fc->data_factor = SLEB ();
8595 fc->ra = byte_get (start, 1); start += 1;
8596 }
8597 cie = fc;
8598
8599 if (do_debug_frames_interp)
8600 printf ("\n%08lx %08lx %08lx CIE \"%s\" cf=%d df=%d ra=%d\n",
8601 (unsigned long)(saved_start - section_start), length, cie_id,
8602 fc->augmentation, fc->code_factor, fc->data_factor,
8603 fc->ra);
8604 else
8605 {
8606 printf ("\n%08lx %08lx %08lx CIE\n",
8607 (unsigned long)(saved_start - section_start), length, cie_id);
8608 printf (" Version: %d\n", version);
8609 printf (" Augmentation: \"%s\"\n", fc->augmentation);
8610 printf (" Code alignment factor: %u\n", fc->code_factor);
8611 printf (" Data alignment factor: %d\n", fc->data_factor);
8612 printf (" Return address column: %d\n", fc->ra);
8613
8614 if (augmentation_data_len)
8615 {
8616 unsigned long i;
8617 printf (" Augmentation data: ");
8618 for (i = 0; i < augmentation_data_len; ++i)
8619 printf (" %02x", augmentation_data[i]);
8620 putchar ('\n');
8621 }
8622 putchar ('\n');
8623 }
8624
8625 if (augmentation_data_len)
8626 {
8627 unsigned char *p, *q;
8628 p = fc->augmentation + 1;
8629 q = augmentation_data;
8630
8631 while (1)
8632 {
8633 if (*p == 'L')
8634 q++;
8635 else if (*p == 'P')
8636 q += 1 + size_of_encoded_value (*q);
8637 else if (*p == 'R')
8638 fc->fde_encoding = *q++;
8639 else
8640 break;
8641 p++;
8642 }
8643
8644 if (fc->fde_encoding)
8645 encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
8646 }
8647
8648 frame_need_space (fc, fc->ra);
8649 }
8650 else
8651 {
8652 unsigned char *look_for;
8653 static Frame_Chunk fde_fc;
8654
8655 fc = & fde_fc;
8656 memset (fc, 0, sizeof (Frame_Chunk));
8657
8658 look_for = is_eh ? start - 4 - cie_id : section_start + cie_id;
8659
8660 for (cie = chunks; cie ; cie = cie->next)
8661 if (cie->chunk_start == look_for)
8662 break;
8663
8664 if (!cie)
8665 {
8666 warn ("Invalid CIE pointer %08lx in FDE at %08lx\n",
8667 cie_id, saved_start);
8668 start = block_end;
8669 fc->ncols = 0;
8670 fc->col_type = xmalloc (sizeof (short int));
8671 fc->col_offset = xmalloc (sizeof (int));
8672 frame_need_space (fc, max_regs - 1);
8673 cie = fc;
8674 fc->augmentation = "";
8675 fc->fde_encoding = 0;
8676 }
8677 else
8678 {
8679 fc->ncols = cie->ncols;
8680 fc->col_type = xmalloc (fc->ncols * sizeof (short int));
8681 fc->col_offset = xmalloc (fc->ncols * sizeof (int));
8682 memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int));
8683 memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int));
8684 fc->augmentation = cie->augmentation;
8685 fc->code_factor = cie->code_factor;
8686 fc->data_factor = cie->data_factor;
8687 fc->cfa_reg = cie->cfa_reg;
8688 fc->cfa_offset = cie->cfa_offset;
8689 fc->ra = cie->ra;
8690 frame_need_space (fc, max_regs-1);
8691 fc->fde_encoding = cie->fde_encoding;
8692 }
8693
8694 if (fc->fde_encoding)
8695 encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
8696
8697 fc->pc_begin = get_encoded_value (start, fc->fde_encoding);
8698 if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel)
8699 fc->pc_begin += section->sh_addr + (start - section_start);
8700 start += encoded_ptr_size;
8701 fc->pc_range = byte_get (start, encoded_ptr_size);
8702 start += encoded_ptr_size;
8703
8704 if (cie->augmentation[0] == 'z')
8705 {
8706 augmentation_data_len = LEB ();
8707 augmentation_data = start;
8708 start += augmentation_data_len;
8709 }
8710
8711 printf ("\n%08lx %08lx %08lx FDE cie=%08lx pc=%08lx..%08lx\n",
8712 (unsigned long)(saved_start - section_start), length, cie_id,
8713 (unsigned long)(cie->chunk_start - section_start),
8714 fc->pc_begin, fc->pc_begin + fc->pc_range);
8715 if (! do_debug_frames_interp && augmentation_data_len)
8716 {
8717 unsigned long i;
8718 printf (" Augmentation data: ");
8719 for (i = 0; i < augmentation_data_len; ++i)
8720 printf (" %02x", augmentation_data[i]);
8721 putchar ('\n');
8722 putchar ('\n');
8723 }
8724 }
8725
8726 /* At this point, fc is the current chunk, cie (if any) is set, and we're
8727 about to interpret instructions for the chunk. */
8728 /* ??? At present we need to do this always, since this sizes the
8729 fc->col_type and fc->col_offset arrays, which we write into always.
8730 We should probably split the interpreted and non-interpreted bits
8731 into two different routines, since there's so much that doesn't
8732 really overlap between them. */
8733 if (1 || do_debug_frames_interp)
8734 {
8735 /* Start by making a pass over the chunk, allocating storage
8736 and taking note of what registers are used. */
8737 unsigned char *tmp = start;
8738
8739 while (start < block_end)
8740 {
8741 unsigned op, opa;
8742 unsigned long reg, tmp;
8743
8744 op = *start++;
8745 opa = op & 0x3f;
8746 if (op & 0xc0)
8747 op &= 0xc0;
8748
8749 /* Warning: if you add any more cases to this switch, be
8750 sure to add them to the corresponding switch below. */
8751 switch (op)
8752 {
8753 case DW_CFA_advance_loc:
8754 break;
8755 case DW_CFA_offset:
8756 LEB ();
8757 frame_need_space (fc, opa);
8758 fc->col_type[opa] = DW_CFA_undefined;
8759 break;
8760 case DW_CFA_restore:
8761 frame_need_space (fc, opa);
8762 fc->col_type[opa] = DW_CFA_undefined;
8763 break;
8764 case DW_CFA_set_loc:
8765 start += encoded_ptr_size;
8766 break;
8767 case DW_CFA_advance_loc1:
8768 start += 1;
8769 break;
8770 case DW_CFA_advance_loc2:
8771 start += 2;
8772 break;
8773 case DW_CFA_advance_loc4:
8774 start += 4;
8775 break;
8776 case DW_CFA_offset_extended:
8777 reg = LEB (); LEB ();
8778 frame_need_space (fc, reg);
8779 fc->col_type[reg] = DW_CFA_undefined;
8780 break;
8781 case DW_CFA_restore_extended:
8782 reg = LEB ();
8783 frame_need_space (fc, reg);
8784 fc->col_type[reg] = DW_CFA_undefined;
8785 break;
8786 case DW_CFA_undefined:
8787 reg = LEB ();
8788 frame_need_space (fc, reg);
8789 fc->col_type[reg] = DW_CFA_undefined;
8790 break;
8791 case DW_CFA_same_value:
8792 reg = LEB ();
8793 frame_need_space (fc, reg);
8794 fc->col_type[reg] = DW_CFA_undefined;
8795 break;
8796 case DW_CFA_register:
8797 reg = LEB (); LEB ();
8798 frame_need_space (fc, reg);
8799 fc->col_type[reg] = DW_CFA_undefined;
8800 break;
8801 case DW_CFA_def_cfa:
8802 LEB (); LEB ();
8803 break;
8804 case DW_CFA_def_cfa_register:
8805 LEB ();
8806 break;
8807 case DW_CFA_def_cfa_offset:
8808 LEB ();
8809 break;
8810 case DW_CFA_def_cfa_expression:
8811 tmp = LEB ();
8812 start += tmp;
8813 break;
8814 case DW_CFA_expression:
8815 reg = LEB ();
8816 tmp = LEB ();
8817 start += tmp;
8818 frame_need_space (fc, reg);
8819 fc->col_type[reg] = DW_CFA_undefined;
8820 break;
8821 case DW_CFA_offset_extended_sf:
8822 reg = LEB (); SLEB ();
8823 frame_need_space (fc, reg);
8824 fc->col_type[reg] = DW_CFA_undefined;
8825 break;
8826 case DW_CFA_def_cfa_sf:
8827 LEB (); SLEB ();
8828 break;
8829 case DW_CFA_def_cfa_offset_sf:
8830 SLEB ();
8831 break;
8832 case DW_CFA_MIPS_advance_loc8:
8833 start += 8;
8834 break;
8835 case DW_CFA_GNU_args_size:
8836 LEB ();
8837 break;
8838 case DW_CFA_GNU_negative_offset_extended:
8839 reg = LEB (); LEB ();
8840 frame_need_space (fc, reg);
8841 fc->col_type[reg] = DW_CFA_undefined;
8842
8843 default:
8844 break;
8845 }
8846 }
8847 start = tmp;
8848 }
8849
8850 /* Now we know what registers are used, make a second pass over
8851 the chunk, this time actually printing out the info. */
8852
8853 while (start < block_end)
8854 {
8855 unsigned op, opa;
8856 unsigned long ul, reg, roffs;
8857 long l, ofs;
8858 bfd_vma vma;
8859
8860 op = *start++;
8861 opa = op & 0x3f;
8862 if (op & 0xc0)
8863 op &= 0xc0;
8864
8865 /* Warning: if you add any more cases to this switch, be
8866 sure to add them to the corresponding switch above. */
8867 switch (op)
8868 {
8869 case DW_CFA_advance_loc:
8870 if (do_debug_frames_interp)
8871 frame_display_row (fc, &need_col_headers, &max_regs);
8872 else
8873 printf (" DW_CFA_advance_loc: %d to %08lx\n",
8874 opa * fc->code_factor,
8875 fc->pc_begin + opa * fc->code_factor);
8876 fc->pc_begin += opa * fc->code_factor;
8877 break;
8878
8879 case DW_CFA_offset:
8880 roffs = LEB ();
8881 if (! do_debug_frames_interp)
8882 printf (" DW_CFA_offset: r%d at cfa%+ld\n",
8883 opa, roffs * fc->data_factor);
8884 fc->col_type[opa] = DW_CFA_offset;
8885 fc->col_offset[opa] = roffs * fc->data_factor;
8886 break;
8887
8888 case DW_CFA_restore:
8889 if (! do_debug_frames_interp)
8890 printf (" DW_CFA_restore: r%d\n", opa);
8891 fc->col_type[opa] = cie->col_type[opa];
8892 fc->col_offset[opa] = cie->col_offset[opa];
8893 break;
8894
8895 case DW_CFA_set_loc:
8896 vma = get_encoded_value (start, fc->fde_encoding);
8897 if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel)
8898 vma += section->sh_addr + (start - section_start);
8899 start += encoded_ptr_size;
8900 if (do_debug_frames_interp)
8901 frame_display_row (fc, &need_col_headers, &max_regs);
8902 else
8903 printf (" DW_CFA_set_loc: %08lx\n", (unsigned long)vma);
8904 fc->pc_begin = vma;
8905 break;
8906
8907 case DW_CFA_advance_loc1:
8908 ofs = byte_get (start, 1); start += 1;
8909 if (do_debug_frames_interp)
8910 frame_display_row (fc, &need_col_headers, &max_regs);
8911 else
8912 printf (" DW_CFA_advance_loc1: %ld to %08lx\n",
8913 ofs * fc->code_factor,
8914 fc->pc_begin + ofs * fc->code_factor);
8915 fc->pc_begin += ofs * fc->code_factor;
8916 break;
8917
8918 case DW_CFA_advance_loc2:
8919 ofs = byte_get (start, 2); start += 2;
8920 if (do_debug_frames_interp)
8921 frame_display_row (fc, &need_col_headers, &max_regs);
8922 else
8923 printf (" DW_CFA_advance_loc2: %ld to %08lx\n",
8924 ofs * fc->code_factor,
8925 fc->pc_begin + ofs * fc->code_factor);
8926 fc->pc_begin += ofs * fc->code_factor;
8927 break;
8928
8929 case DW_CFA_advance_loc4:
8930 ofs = byte_get (start, 4); start += 4;
8931 if (do_debug_frames_interp)
8932 frame_display_row (fc, &need_col_headers, &max_regs);
8933 else
8934 printf (" DW_CFA_advance_loc4: %ld to %08lx\n",
8935 ofs * fc->code_factor,
8936 fc->pc_begin + ofs * fc->code_factor);
8937 fc->pc_begin += ofs * fc->code_factor;
8938 break;
8939
8940 case DW_CFA_offset_extended:
8941 reg = LEB ();
8942 roffs = LEB ();
8943 if (! do_debug_frames_interp)
8944 printf (" DW_CFA_offset_extended: r%ld at cfa%+ld\n",
8945 reg, roffs * fc->data_factor);
8946 fc->col_type[reg] = DW_CFA_offset;
8947 fc->col_offset[reg] = roffs * fc->data_factor;
8948 break;
8949
8950 case DW_CFA_restore_extended:
8951 reg = LEB ();
8952 if (! do_debug_frames_interp)
8953 printf (" DW_CFA_restore_extended: r%ld\n", reg);
8954 fc->col_type[reg] = cie->col_type[reg];
8955 fc->col_offset[reg] = cie->col_offset[reg];
8956 break;
8957
8958 case DW_CFA_undefined:
8959 reg = LEB ();
8960 if (! do_debug_frames_interp)
8961 printf (" DW_CFA_undefined: r%ld\n", reg);
8962 fc->col_type[reg] = DW_CFA_undefined;
8963 fc->col_offset[reg] = 0;
8964 break;
8965
8966 case DW_CFA_same_value:
8967 reg = LEB ();
8968 if (! do_debug_frames_interp)
8969 printf (" DW_CFA_same_value: r%ld\n", reg);
8970 fc->col_type[reg] = DW_CFA_same_value;
8971 fc->col_offset[reg] = 0;
8972 break;
8973
8974 case DW_CFA_register:
8975 reg = LEB ();
8976 roffs = LEB ();
8977 if (! do_debug_frames_interp)
8978 printf (" DW_CFA_register: r%ld in r%ld\n", reg, roffs);
8979 fc->col_type[reg] = DW_CFA_register;
8980 fc->col_offset[reg] = roffs;
8981 break;
8982
8983 case DW_CFA_remember_state:
8984 if (! do_debug_frames_interp)
8985 printf (" DW_CFA_remember_state\n");
8986 rs = xmalloc (sizeof (Frame_Chunk));
8987 rs->ncols = fc->ncols;
8988 rs->col_type = xmalloc (rs->ncols * sizeof (short int));
8989 rs->col_offset = xmalloc (rs->ncols * sizeof (int));
8990 memcpy (rs->col_type, fc->col_type, rs->ncols);
8991 memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (int));
8992 rs->next = remembered_state;
8993 remembered_state = rs;
8994 break;
8995
8996 case DW_CFA_restore_state:
8997 if (! do_debug_frames_interp)
8998 printf (" DW_CFA_restore_state\n");
8999 rs = remembered_state;
9000 remembered_state = rs->next;
9001 frame_need_space (fc, rs->ncols-1);
9002 memcpy (fc->col_type, rs->col_type, rs->ncols);
9003 memcpy (fc->col_offset, rs->col_offset, rs->ncols * sizeof (int));
9004 free (rs->col_type);
9005 free (rs->col_offset);
9006 free (rs);
9007 break;
9008
9009 case DW_CFA_def_cfa:
9010 fc->cfa_reg = LEB ();
9011 fc->cfa_offset = LEB ();
9012 fc->cfa_exp = 0;
9013 if (! do_debug_frames_interp)
9014 printf (" DW_CFA_def_cfa: r%d ofs %d\n",
9015 fc->cfa_reg, fc->cfa_offset);
9016 break;
9017
9018 case DW_CFA_def_cfa_register:
9019 fc->cfa_reg = LEB ();
9020 fc->cfa_exp = 0;
9021 if (! do_debug_frames_interp)
9022 printf (" DW_CFA_def_cfa_reg: r%d\n", fc->cfa_reg);
9023 break;
9024
9025 case DW_CFA_def_cfa_offset:
9026 fc->cfa_offset = LEB ();
9027 if (! do_debug_frames_interp)
9028 printf (" DW_CFA_def_cfa_offset: %d\n", fc->cfa_offset);
9029 break;
9030
9031 case DW_CFA_nop:
9032 if (! do_debug_frames_interp)
9033 printf (" DW_CFA_nop\n");
9034 break;
9035
9036 case DW_CFA_def_cfa_expression:
9037 ul = LEB ();
9038 if (! do_debug_frames_interp)
9039 {
9040 printf (" DW_CFA_def_cfa_expression (");
9041 decode_location_expression (start, addr_size, ul);
9042 printf (")\n");
9043 }
9044 fc->cfa_exp = 1;
9045 start += ul;
9046 break;
9047
9048 case DW_CFA_expression:
9049 reg = LEB ();
9050 ul = LEB ();
9051 if (! do_debug_frames_interp)
9052 {
9053 printf (" DW_CFA_expression: r%ld (", reg);
9054 decode_location_expression (start, addr_size, ul);
9055 printf (")\n");
9056 }
9057 fc->col_type[reg] = DW_CFA_expression;
9058 start += ul;
9059 break;
9060
9061 case DW_CFA_offset_extended_sf:
9062 reg = LEB ();
9063 l = SLEB ();
9064 frame_need_space (fc, reg);
9065 if (! do_debug_frames_interp)
9066 printf (" DW_CFA_offset_extended_sf: r%ld at cfa%+ld\n",
9067 reg, l * fc->data_factor);
9068 fc->col_type[reg] = DW_CFA_offset;
9069 fc->col_offset[reg] = l * fc->data_factor;
9070 break;
9071
9072 case DW_CFA_def_cfa_sf:
9073 fc->cfa_reg = LEB ();
9074 fc->cfa_offset = SLEB ();
9075 fc->cfa_exp = 0;
9076 if (! do_debug_frames_interp)
9077 printf (" DW_CFA_def_cfa_sf: r%d ofs %d\n",
9078 fc->cfa_reg, fc->cfa_offset);
9079 break;
9080
9081 case DW_CFA_def_cfa_offset_sf:
9082 fc->cfa_offset = SLEB ();
9083 if (! do_debug_frames_interp)
9084 printf (" DW_CFA_def_cfa_offset_sf: %d\n", fc->cfa_offset);
9085 break;
9086
9087 case DW_CFA_MIPS_advance_loc8:
9088 ofs = byte_get (start, 8); start += 8;
9089 if (do_debug_frames_interp)
9090 frame_display_row (fc, &need_col_headers, &max_regs);
9091 else
9092 printf (" DW_CFA_MIPS_advance_loc8: %ld to %08lx\n",
9093 ofs * fc->code_factor,
9094 fc->pc_begin + ofs * fc->code_factor);
9095 fc->pc_begin += ofs * fc->code_factor;
9096 break;
9097
9098 case DW_CFA_GNU_window_save:
9099 if (! do_debug_frames_interp)
9100 printf (" DW_CFA_GNU_window_save\n");
9101 break;
9102
9103 case DW_CFA_GNU_args_size:
9104 ul = LEB ();
9105 if (! do_debug_frames_interp)
9106 printf (" DW_CFA_GNU_args_size: %ld\n", ul);
9107 break;
9108
9109 case DW_CFA_GNU_negative_offset_extended:
9110 reg = LEB ();
9111 l = - LEB ();
9112 frame_need_space (fc, reg);
9113 if (! do_debug_frames_interp)
9114 printf (" DW_CFA_GNU_negative_offset_extended: r%ld at cfa%+ld\n",
9115 reg, l * fc->data_factor);
9116 fc->col_type[reg] = DW_CFA_offset;
9117 fc->col_offset[reg] = l * fc->data_factor;
9118 break;
9119
9120 default:
9121 fprintf (stderr, "unsupported or unknown DW_CFA_%d\n", op);
9122 start = block_end;
9123 }
9124 }
9125
9126 if (do_debug_frames_interp)
9127 frame_display_row (fc, &need_col_headers, &max_regs);
9128
9129 start = block_end;
9130 }
9131
9132 printf ("\n");
9133
9134 return 1;
9135 }
9136
9137 #undef GET
9138 #undef LEB
9139 #undef SLEB
9140
9141 static int
9142 display_debug_not_supported (Elf_Internal_Shdr *section,
9143 unsigned char *start ATTRIBUTE_UNUSED,
9144 FILE *file ATTRIBUTE_UNUSED)
9145 {
9146 printf (_("Displaying the debug contents of section %s is not yet supported.\n"),
9147 SECTION_NAME (section));
9148
9149 return 1;
9150 }
9151
9152 /* Pre-scan the .debug_info section to record the size of address.
9153 When dumping the .debug_line, we use that size information, assuming
9154 that all compilation units have the same address size. */
9155 static int
9156 prescan_debug_info (Elf_Internal_Shdr *section ATTRIBUTE_UNUSED,
9157 unsigned char *start,
9158 FILE *file ATTRIBUTE_UNUSED)
9159 {
9160 unsigned long length;
9161
9162 /* Read the first 4 bytes. For a 32-bit DWARF section, this will
9163 be the length. For a 64-bit DWARF section, it'll be the escape
9164 code 0xffffffff followed by an 8 byte length. For the purposes
9165 of this prescan, we don't care about the actual length, but the
9166 presence of the escape bytes does affect the location of the byte
9167 which describes the address size. */
9168 length = byte_get (start, 4);
9169
9170 if (length == 0xffffffff)
9171 {
9172 /* For 64-bit DWARF, the 1-byte address_size field is 22 bytes
9173 from the start of the section. This is computed as follows:
9174
9175 unit_length: 12 bytes
9176 version: 2 bytes
9177 debug_abbrev_offset: 8 bytes
9178 -----------------------------
9179 Total: 22 bytes */
9180
9181 debug_line_pointer_size = byte_get (start + 22, 1);
9182 }
9183 else
9184 {
9185 /* For 32-bit DWARF, the 1-byte address_size field is 10 bytes from
9186 the start of the section:
9187 unit_length: 4 bytes
9188 version: 2 bytes
9189 debug_abbrev_offset: 4 bytes
9190 -----------------------------
9191 Total: 10 bytes */
9192
9193 debug_line_pointer_size = byte_get (start + 10, 1);
9194 }
9195 return 0;
9196 }
9197
9198 /* A structure containing the name of a debug section and a pointer
9199 to a function that can decode it. The third field is a prescan
9200 function to be run over the section before displaying any of the
9201 sections. */
9202 struct
9203 {
9204 const char *const name;
9205 int (*display) (Elf_Internal_Shdr *, unsigned char *, FILE *);
9206 int (*prescan) (Elf_Internal_Shdr *, unsigned char *, FILE *);
9207 }
9208 debug_displays[] =
9209 {
9210 { ".debug_abbrev", display_debug_abbrev, NULL },
9211 { ".debug_aranges", display_debug_aranges, NULL },
9212 { ".debug_frame", display_debug_frames, NULL },
9213 { ".debug_info", display_debug_info, prescan_debug_info },
9214 { ".debug_line", display_debug_lines, NULL },
9215 { ".debug_pubnames", display_debug_pubnames, NULL },
9216 { ".eh_frame", display_debug_frames, NULL },
9217 { ".debug_macinfo", display_debug_macinfo, NULL },
9218 { ".debug_str", display_debug_str, NULL },
9219 { ".debug_loc", display_debug_loc, NULL },
9220 { ".debug_pubtypes", display_debug_not_supported, NULL },
9221 { ".debug_ranges", display_debug_not_supported, NULL },
9222 { ".debug_static_func", display_debug_not_supported, NULL },
9223 { ".debug_static_vars", display_debug_not_supported, NULL },
9224 { ".debug_types", display_debug_not_supported, NULL },
9225 { ".debug_weaknames", display_debug_not_supported, NULL }
9226 };
9227
9228 static int
9229 display_debug_section (Elf_Internal_Shdr *section, FILE *file)
9230 {
9231 char *name = SECTION_NAME (section);
9232 bfd_size_type length;
9233 unsigned char *start;
9234 int i;
9235
9236 length = section->sh_size;
9237 if (length == 0)
9238 {
9239 printf (_("\nSection '%s' has no debugging data.\n"), name);
9240 return 0;
9241 }
9242
9243 start = get_data (NULL, file, section->sh_offset, length,
9244 _("debug section data"));
9245 if (!start)
9246 return 0;
9247
9248 /* See if we know how to display the contents of this section. */
9249 if (strncmp (name, ".gnu.linkonce.wi.", 17) == 0)
9250 name = ".debug_info";
9251
9252 for (i = NUM_ELEM (debug_displays); i--;)
9253 if (strcmp (debug_displays[i].name, name) == 0)
9254 {
9255 debug_displays[i].display (section, start, file);
9256 break;
9257 }
9258
9259 if (i == -1)
9260 printf (_("Unrecognized debug section: %s\n"), name);
9261
9262 free (start);
9263
9264 /* If we loaded in the abbrev section at some point,
9265 we must release it here. */
9266 free_abbrevs ();
9267
9268 return 1;
9269 }
9270
9271 static int
9272 process_section_contents (FILE *file)
9273 {
9274 Elf_Internal_Shdr *section;
9275 unsigned int i;
9276
9277 if (! do_dump)
9278 return 1;
9279
9280 /* Pre-scan the debug sections to find some debug information not
9281 present in some of them. For the .debug_line, we must find out the
9282 size of address (specified in .debug_info and .debug_aranges). */
9283 for (i = 0, section = section_headers;
9284 i < elf_header.e_shnum && i < num_dump_sects;
9285 i++, section++)
9286 {
9287 char *name = SECTION_NAME (section);
9288 int j;
9289
9290 if (section->sh_size == 0)
9291 continue;
9292
9293 /* See if there is some pre-scan operation for this section. */
9294 for (j = NUM_ELEM (debug_displays); j--;)
9295 if (strcmp (debug_displays[j].name, name) == 0)
9296 {
9297 if (debug_displays[j].prescan != NULL)
9298 {
9299 bfd_size_type length;
9300 unsigned char *start;
9301
9302 length = section->sh_size;
9303 start = get_data (NULL, file, section->sh_offset, length,
9304 _("debug section data"));
9305 if (!start)
9306 return 0;
9307
9308 debug_displays[j].prescan (section, start, file);
9309 free (start);
9310 }
9311
9312 break;
9313 }
9314 }
9315
9316 for (i = 0, section = section_headers;
9317 i < elf_header.e_shnum && i < num_dump_sects;
9318 i++, section++)
9319 {
9320 #ifdef SUPPORT_DISASSEMBLY
9321 if (dump_sects[i] & DISASS_DUMP)
9322 disassemble_section (section, file);
9323 #endif
9324 if (dump_sects[i] & HEX_DUMP)
9325 dump_section (section, file);
9326
9327 if (dump_sects[i] & DEBUG_DUMP)
9328 display_debug_section (section, file);
9329 }
9330
9331 if (i < num_dump_sects)
9332 warn (_("Some sections were not dumped because they do not exist!\n"));
9333
9334 return 1;
9335 }
9336
9337 static void
9338 process_mips_fpe_exception (int mask)
9339 {
9340 if (mask)
9341 {
9342 int first = 1;
9343 if (mask & OEX_FPU_INEX)
9344 fputs ("INEX", stdout), first = 0;
9345 if (mask & OEX_FPU_UFLO)
9346 printf ("%sUFLO", first ? "" : "|"), first = 0;
9347 if (mask & OEX_FPU_OFLO)
9348 printf ("%sOFLO", first ? "" : "|"), first = 0;
9349 if (mask & OEX_FPU_DIV0)
9350 printf ("%sDIV0", first ? "" : "|"), first = 0;
9351 if (mask & OEX_FPU_INVAL)
9352 printf ("%sINVAL", first ? "" : "|");
9353 }
9354 else
9355 fputs ("0", stdout);
9356 }
9357
9358 static int
9359 process_mips_specific (FILE *file)
9360 {
9361 Elf_Internal_Dyn *entry;
9362 size_t liblist_offset = 0;
9363 size_t liblistno = 0;
9364 size_t conflictsno = 0;
9365 size_t options_offset = 0;
9366 size_t conflicts_offset = 0;
9367
9368 /* We have a lot of special sections. Thanks SGI! */
9369 if (dynamic_segment == NULL)
9370 /* No information available. */
9371 return 0;
9372
9373 for (entry = dynamic_segment; entry->d_tag != DT_NULL; ++entry)
9374 switch (entry->d_tag)
9375 {
9376 case DT_MIPS_LIBLIST:
9377 liblist_offset
9378 = offset_from_vma (file, entry->d_un.d_val,
9379 liblistno * sizeof (Elf32_External_Lib));
9380 break;
9381 case DT_MIPS_LIBLISTNO:
9382 liblistno = entry->d_un.d_val;
9383 break;
9384 case DT_MIPS_OPTIONS:
9385 options_offset = offset_from_vma (file, entry->d_un.d_val, 0);
9386 break;
9387 case DT_MIPS_CONFLICT:
9388 conflicts_offset
9389 = offset_from_vma (file, entry->d_un.d_val,
9390 conflictsno * sizeof (Elf32_External_Conflict));
9391 break;
9392 case DT_MIPS_CONFLICTNO:
9393 conflictsno = entry->d_un.d_val;
9394 break;
9395 default:
9396 break;
9397 }
9398
9399 if (liblist_offset != 0 && liblistno != 0 && do_dynamic)
9400 {
9401 Elf32_External_Lib *elib;
9402 size_t cnt;
9403
9404 elib = get_data (NULL, file, liblist_offset,
9405 liblistno * sizeof (Elf32_External_Lib),
9406 _("liblist"));
9407 if (elib)
9408 {
9409 printf ("\nSection '.liblist' contains %lu entries:\n",
9410 (unsigned long) liblistno);
9411 fputs (" Library Time Stamp Checksum Version Flags\n",
9412 stdout);
9413
9414 for (cnt = 0; cnt < liblistno; ++cnt)
9415 {
9416 Elf32_Lib liblist;
9417 time_t time;
9418 char timebuf[20];
9419 struct tm *tmp;
9420
9421 liblist.l_name = BYTE_GET (elib[cnt].l_name);
9422 time = BYTE_GET (elib[cnt].l_time_stamp);
9423 liblist.l_checksum = BYTE_GET (elib[cnt].l_checksum);
9424 liblist.l_version = BYTE_GET (elib[cnt].l_version);
9425 liblist.l_flags = BYTE_GET (elib[cnt].l_flags);
9426
9427 tmp = gmtime (&time);
9428 sprintf (timebuf, "%04u-%02u-%02uT%02u:%02u:%02u",
9429 tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
9430 tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
9431
9432 printf ("%3lu: ", (unsigned long) cnt);
9433 print_symbol (20, dynamic_strings + liblist.l_name);
9434 printf (" %s %#10lx %-7ld", timebuf, liblist.l_checksum,
9435 liblist.l_version);
9436
9437 if (liblist.l_flags == 0)
9438 puts (" NONE");
9439 else
9440 {
9441 static const struct
9442 {
9443 const char *name;
9444 int bit;
9445 }
9446 l_flags_vals[] =
9447 {
9448 { " EXACT_MATCH", LL_EXACT_MATCH },
9449 { " IGNORE_INT_VER", LL_IGNORE_INT_VER },
9450 { " REQUIRE_MINOR", LL_REQUIRE_MINOR },
9451 { " EXPORTS", LL_EXPORTS },
9452 { " DELAY_LOAD", LL_DELAY_LOAD },
9453 { " DELTA", LL_DELTA }
9454 };
9455 int flags = liblist.l_flags;
9456 size_t fcnt;
9457
9458 for (fcnt = 0;
9459 fcnt < sizeof (l_flags_vals) / sizeof (l_flags_vals[0]);
9460 ++fcnt)
9461 if ((flags & l_flags_vals[fcnt].bit) != 0)
9462 {
9463 fputs (l_flags_vals[fcnt].name, stdout);
9464 flags ^= l_flags_vals[fcnt].bit;
9465 }
9466 if (flags != 0)
9467 printf (" %#x", (unsigned int) flags);
9468
9469 puts ("");
9470 }
9471 }
9472
9473 free (elib);
9474 }
9475 }
9476
9477 if (options_offset != 0)
9478 {
9479 Elf_External_Options *eopt;
9480 Elf_Internal_Shdr *sect = section_headers;
9481 Elf_Internal_Options *iopt;
9482 Elf_Internal_Options *option;
9483 size_t offset;
9484 int cnt;
9485
9486 /* Find the section header so that we get the size. */
9487 while (sect->sh_type != SHT_MIPS_OPTIONS)
9488 ++sect;
9489
9490 eopt = get_data (NULL, file, options_offset, sect->sh_size,
9491 _("options"));
9492 if (eopt)
9493 {
9494 iopt = malloc ((sect->sh_size / sizeof (eopt)) * sizeof (*iopt));
9495 if (iopt == NULL)
9496 {
9497 error (_("Out of memory"));
9498 return 0;
9499 }
9500
9501 offset = cnt = 0;
9502 option = iopt;
9503
9504 while (offset < sect->sh_size)
9505 {
9506 Elf_External_Options *eoption;
9507
9508 eoption = (Elf_External_Options *) ((char *) eopt + offset);
9509
9510 option->kind = BYTE_GET (eoption->kind);
9511 option->size = BYTE_GET (eoption->size);
9512 option->section = BYTE_GET (eoption->section);
9513 option->info = BYTE_GET (eoption->info);
9514
9515 offset += option->size;
9516
9517 ++option;
9518 ++cnt;
9519 }
9520
9521 printf (_("\nSection '%s' contains %d entries:\n"),
9522 SECTION_NAME (sect), cnt);
9523
9524 option = iopt;
9525
9526 while (cnt-- > 0)
9527 {
9528 size_t len;
9529
9530 switch (option->kind)
9531 {
9532 case ODK_NULL:
9533 /* This shouldn't happen. */
9534 printf (" NULL %d %lx", option->section, option->info);
9535 break;
9536 case ODK_REGINFO:
9537 printf (" REGINFO ");
9538 if (elf_header.e_machine == EM_MIPS)
9539 {
9540 /* 32bit form. */
9541 Elf32_External_RegInfo *ereg;
9542 Elf32_RegInfo reginfo;
9543
9544 ereg = (Elf32_External_RegInfo *) (option + 1);
9545 reginfo.ri_gprmask = BYTE_GET (ereg->ri_gprmask);
9546 reginfo.ri_cprmask[0] = BYTE_GET (ereg->ri_cprmask[0]);
9547 reginfo.ri_cprmask[1] = BYTE_GET (ereg->ri_cprmask[1]);
9548 reginfo.ri_cprmask[2] = BYTE_GET (ereg->ri_cprmask[2]);
9549 reginfo.ri_cprmask[3] = BYTE_GET (ereg->ri_cprmask[3]);
9550 reginfo.ri_gp_value = BYTE_GET (ereg->ri_gp_value);
9551
9552 printf ("GPR %08lx GP 0x%lx\n",
9553 reginfo.ri_gprmask,
9554 (unsigned long) reginfo.ri_gp_value);
9555 printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n",
9556 reginfo.ri_cprmask[0], reginfo.ri_cprmask[1],
9557 reginfo.ri_cprmask[2], reginfo.ri_cprmask[3]);
9558 }
9559 else
9560 {
9561 /* 64 bit form. */
9562 Elf64_External_RegInfo *ereg;
9563 Elf64_Internal_RegInfo reginfo;
9564
9565 ereg = (Elf64_External_RegInfo *) (option + 1);
9566 reginfo.ri_gprmask = BYTE_GET (ereg->ri_gprmask);
9567 reginfo.ri_cprmask[0] = BYTE_GET (ereg->ri_cprmask[0]);
9568 reginfo.ri_cprmask[1] = BYTE_GET (ereg->ri_cprmask[1]);
9569 reginfo.ri_cprmask[2] = BYTE_GET (ereg->ri_cprmask[2]);
9570 reginfo.ri_cprmask[3] = BYTE_GET (ereg->ri_cprmask[3]);
9571 reginfo.ri_gp_value = BYTE_GET8 (ereg->ri_gp_value);
9572
9573 printf ("GPR %08lx GP 0x",
9574 reginfo.ri_gprmask);
9575 printf_vma (reginfo.ri_gp_value);
9576 printf ("\n");
9577
9578 printf (" CPR0 %08lx CPR1 %08lx CPR2 %08lx CPR3 %08lx\n",
9579 reginfo.ri_cprmask[0], reginfo.ri_cprmask[1],
9580 reginfo.ri_cprmask[2], reginfo.ri_cprmask[3]);
9581 }
9582 ++option;
9583 continue;
9584 case ODK_EXCEPTIONS:
9585 fputs (" EXCEPTIONS fpe_min(", stdout);
9586 process_mips_fpe_exception (option->info & OEX_FPU_MIN);
9587 fputs (") fpe_max(", stdout);
9588 process_mips_fpe_exception ((option->info & OEX_FPU_MAX) >> 8);
9589 fputs (")", stdout);
9590
9591 if (option->info & OEX_PAGE0)
9592 fputs (" PAGE0", stdout);
9593 if (option->info & OEX_SMM)
9594 fputs (" SMM", stdout);
9595 if (option->info & OEX_FPDBUG)
9596 fputs (" FPDBUG", stdout);
9597 if (option->info & OEX_DISMISS)
9598 fputs (" DISMISS", stdout);
9599 break;
9600 case ODK_PAD:
9601 fputs (" PAD ", stdout);
9602 if (option->info & OPAD_PREFIX)
9603 fputs (" PREFIX", stdout);
9604 if (option->info & OPAD_POSTFIX)
9605 fputs (" POSTFIX", stdout);
9606 if (option->info & OPAD_SYMBOL)
9607 fputs (" SYMBOL", stdout);
9608 break;
9609 case ODK_HWPATCH:
9610 fputs (" HWPATCH ", stdout);
9611 if (option->info & OHW_R4KEOP)
9612 fputs (" R4KEOP", stdout);
9613 if (option->info & OHW_R8KPFETCH)
9614 fputs (" R8KPFETCH", stdout);
9615 if (option->info & OHW_R5KEOP)
9616 fputs (" R5KEOP", stdout);
9617 if (option->info & OHW_R5KCVTL)
9618 fputs (" R5KCVTL", stdout);
9619 break;
9620 case ODK_FILL:
9621 fputs (" FILL ", stdout);
9622 /* XXX Print content of info word? */
9623 break;
9624 case ODK_TAGS:
9625 fputs (" TAGS ", stdout);
9626 /* XXX Print content of info word? */
9627 break;
9628 case ODK_HWAND:
9629 fputs (" HWAND ", stdout);
9630 if (option->info & OHWA0_R4KEOP_CHECKED)
9631 fputs (" R4KEOP_CHECKED", stdout);
9632 if (option->info & OHWA0_R4KEOP_CLEAN)
9633 fputs (" R4KEOP_CLEAN", stdout);
9634 break;
9635 case ODK_HWOR:
9636 fputs (" HWOR ", stdout);
9637 if (option->info & OHWA0_R4KEOP_CHECKED)
9638 fputs (" R4KEOP_CHECKED", stdout);
9639 if (option->info & OHWA0_R4KEOP_CLEAN)
9640 fputs (" R4KEOP_CLEAN", stdout);
9641 break;
9642 case ODK_GP_GROUP:
9643 printf (" GP_GROUP %#06lx self-contained %#06lx",
9644 option->info & OGP_GROUP,
9645 (option->info & OGP_SELF) >> 16);
9646 break;
9647 case ODK_IDENT:
9648 printf (" IDENT %#06lx self-contained %#06lx",
9649 option->info & OGP_GROUP,
9650 (option->info & OGP_SELF) >> 16);
9651 break;
9652 default:
9653 /* This shouldn't happen. */
9654 printf (" %3d ??? %d %lx",
9655 option->kind, option->section, option->info);
9656 break;
9657 }
9658
9659 len = sizeof (*eopt);
9660 while (len < option->size)
9661 if (((char *) option)[len] >= ' '
9662 && ((char *) option)[len] < 0x7f)
9663 printf ("%c", ((char *) option)[len++]);
9664 else
9665 printf ("\\%03o", ((char *) option)[len++]);
9666
9667 fputs ("\n", stdout);
9668 ++option;
9669 }
9670
9671 free (eopt);
9672 }
9673 }
9674
9675 if (conflicts_offset != 0 && conflictsno != 0)
9676 {
9677 Elf32_Conflict *iconf;
9678 size_t cnt;
9679
9680 if (dynamic_symbols == NULL)
9681 {
9682 error (_("conflict list found without a dynamic symbol table"));
9683 return 0;
9684 }
9685
9686 iconf = malloc (conflictsno * sizeof (*iconf));
9687 if (iconf == NULL)
9688 {
9689 error (_("Out of memory"));
9690 return 0;
9691 }
9692
9693 if (is_32bit_elf)
9694 {
9695 Elf32_External_Conflict *econf32;
9696
9697 econf32 = get_data (NULL, file, conflicts_offset,
9698 conflictsno * sizeof (*econf32), _("conflict"));
9699 if (!econf32)
9700 return 0;
9701
9702 for (cnt = 0; cnt < conflictsno; ++cnt)
9703 iconf[cnt] = BYTE_GET (econf32[cnt]);
9704
9705 free (econf32);
9706 }
9707 else
9708 {
9709 Elf64_External_Conflict *econf64;
9710
9711 econf64 = get_data (NULL, file, conflicts_offset,
9712 conflictsno * sizeof (*econf64), _("conflict"));
9713 if (!econf64)
9714 return 0;
9715
9716 for (cnt = 0; cnt < conflictsno; ++cnt)
9717 iconf[cnt] = BYTE_GET (econf64[cnt]);
9718
9719 free (econf64);
9720 }
9721
9722 printf (_("\nSection '.conflict' contains %ld entries:\n"),
9723 (long) conflictsno);
9724 puts (_(" Num: Index Value Name"));
9725
9726 for (cnt = 0; cnt < conflictsno; ++cnt)
9727 {
9728 Elf_Internal_Sym *psym = & dynamic_symbols[iconf[cnt]];
9729
9730 printf ("%5lu: %8lu ", (unsigned long) cnt, iconf[cnt]);
9731 print_vma (psym->st_value, FULL_HEX);
9732 putchar (' ');
9733 print_symbol (25, dynamic_strings + psym->st_name);
9734 putchar ('\n');
9735 }
9736
9737 free (iconf);
9738 }
9739
9740 return 1;
9741 }
9742
9743 static int
9744 process_gnu_liblist (FILE *file)
9745 {
9746 Elf_Internal_Shdr *section, *string_sec;
9747 Elf32_External_Lib *elib;
9748 char *strtab;
9749 size_t cnt;
9750 unsigned i;
9751
9752 if (! do_arch)
9753 return 0;
9754
9755 for (i = 0, section = section_headers;
9756 i < elf_header.e_shnum;
9757 i++, section++)
9758 {
9759 switch (section->sh_type)
9760 {
9761 case SHT_GNU_LIBLIST:
9762 elib = get_data (NULL, file, section->sh_offset, section->sh_size,
9763 _("liblist"));
9764
9765 if (elib == NULL)
9766 break;
9767 string_sec = SECTION_HEADER (section->sh_link);
9768
9769 strtab = get_data (NULL, file, string_sec->sh_offset,
9770 string_sec->sh_size, _("liblist string table"));
9771
9772 if (strtab == NULL
9773 || section->sh_entsize != sizeof (Elf32_External_Lib))
9774 {
9775 free (elib);
9776 break;
9777 }
9778
9779 printf (_("\nLibrary list section '%s' contains %lu entries:\n"),
9780 SECTION_NAME (section),
9781 (long) (section->sh_size / sizeof (Elf32_External_Lib)));
9782
9783 puts (" Library Time Stamp Checksum Version Flags");
9784
9785 for (cnt = 0; cnt < section->sh_size / sizeof (Elf32_External_Lib);
9786 ++cnt)
9787 {
9788 Elf32_Lib liblist;
9789 time_t time;
9790 char timebuf[20];
9791 struct tm *tmp;
9792
9793 liblist.l_name = BYTE_GET (elib[cnt].l_name);
9794 time = BYTE_GET (elib[cnt].l_time_stamp);
9795 liblist.l_checksum = BYTE_GET (elib[cnt].l_checksum);
9796 liblist.l_version = BYTE_GET (elib[cnt].l_version);
9797 liblist.l_flags = BYTE_GET (elib[cnt].l_flags);
9798
9799 tmp = gmtime (&time);
9800 sprintf (timebuf, "%04u-%02u-%02uT%02u:%02u:%02u",
9801 tmp->tm_year + 1900, tmp->tm_mon + 1, tmp->tm_mday,
9802 tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
9803
9804 printf ("%3lu: ", (unsigned long) cnt);
9805 if (do_wide)
9806 printf ("%-20s", strtab + liblist.l_name);
9807 else
9808 printf ("%-20.20s", strtab + liblist.l_name);
9809 printf (" %s %#010lx %-7ld %-7ld\n", timebuf, liblist.l_checksum,
9810 liblist.l_version, liblist.l_flags);
9811 }
9812
9813 free (elib);
9814 }
9815 }
9816
9817 return 1;
9818 }
9819
9820 static const char *
9821 get_note_type (unsigned e_type)
9822 {
9823 static char buff[64];
9824
9825 switch (e_type)
9826 {
9827 case NT_PRSTATUS: return _("NT_PRSTATUS (prstatus structure)");
9828 case NT_FPREGSET: return _("NT_FPREGSET (floating point registers)");
9829 case NT_PRPSINFO: return _("NT_PRPSINFO (prpsinfo structure)");
9830 case NT_TASKSTRUCT: return _("NT_TASKSTRUCT (task structure)");
9831 case NT_PRXFPREG: return _("NT_PRXFPREG (user_xfpregs structure)");
9832 case NT_PSTATUS: return _("NT_PSTATUS (pstatus structure)");
9833 case NT_FPREGS: return _("NT_FPREGS (floating point registers)");
9834 case NT_PSINFO: return _("NT_PSINFO (psinfo structure)");
9835 case NT_LWPSTATUS: return _("NT_LWPSTATUS (lwpstatus_t structure)");
9836 case NT_LWPSINFO: return _("NT_LWPSINFO (lwpsinfo_t structure)");
9837 case NT_WIN32PSTATUS: return _("NT_WIN32PSTATUS (win32_pstatus structure)");
9838 default:
9839 sprintf (buff, _("Unknown note type: (0x%08x)"), e_type);
9840 return buff;
9841 }
9842 }
9843
9844 static const char *
9845 get_netbsd_elfcore_note_type (unsigned e_type)
9846 {
9847 static char buff[64];
9848
9849 if (e_type == NT_NETBSDCORE_PROCINFO)
9850 {
9851 /* NetBSD core "procinfo" structure. */
9852 return _("NetBSD procinfo structure");
9853 }
9854
9855 /* As of Jan 2002 there are no other machine-independent notes
9856 defined for NetBSD core files. If the note type is less
9857 than the start of the machine-dependent note types, we don't
9858 understand it. */
9859
9860 if (e_type < NT_NETBSDCORE_FIRSTMACH)
9861 {
9862 sprintf (buff, _("Unknown note type: (0x%08x)"), e_type);
9863 return buff;
9864 }
9865
9866 switch (elf_header.e_machine)
9867 {
9868 /* On the Alpha, SPARC (32-bit and 64-bit), PT_GETREGS == mach+0
9869 and PT_GETFPREGS == mach+2. */
9870
9871 case EM_OLD_ALPHA:
9872 case EM_ALPHA:
9873 case EM_SPARC:
9874 case EM_SPARC32PLUS:
9875 case EM_SPARCV9:
9876 switch (e_type)
9877 {
9878 case NT_NETBSDCORE_FIRSTMACH+0:
9879 return _("PT_GETREGS (reg structure)");
9880 case NT_NETBSDCORE_FIRSTMACH+2:
9881 return _("PT_GETFPREGS (fpreg structure)");
9882 default:
9883 break;
9884 }
9885 break;
9886
9887 /* On all other arch's, PT_GETREGS == mach+1 and
9888 PT_GETFPREGS == mach+3. */
9889 default:
9890 switch (e_type)
9891 {
9892 case NT_NETBSDCORE_FIRSTMACH+1:
9893 return _("PT_GETREGS (reg structure)");
9894 case NT_NETBSDCORE_FIRSTMACH+3:
9895 return _("PT_GETFPREGS (fpreg structure)");
9896 default:
9897 break;
9898 }
9899 }
9900
9901 sprintf (buff, _("PT_FIRSTMACH+%d"), e_type - NT_NETBSDCORE_FIRSTMACH);
9902 return buff;
9903 }
9904
9905 /* Note that by the ELF standard, the name field is already null byte
9906 terminated, and namesz includes the terminating null byte.
9907 I.E. the value of namesz for the name "FSF" is 4.
9908
9909 If the value of namesz is zero, there is no name present. */
9910 static int
9911 process_note (Elf_Internal_Note *pnote)
9912 {
9913 const char *nt;
9914
9915 if (pnote->namesz == 0)
9916 {
9917 /* If there is no note name, then use the default set of
9918 note type strings. */
9919 nt = get_note_type (pnote->type);
9920 }
9921 else if (strncmp (pnote->namedata, "NetBSD-CORE", 11) == 0)
9922 {
9923 /* NetBSD-specific core file notes. */
9924 nt = get_netbsd_elfcore_note_type (pnote->type);
9925 }
9926 else
9927 {
9928 /* Don't recognize this note name; just use the default set of
9929 note type strings. */
9930 nt = get_note_type (pnote->type);
9931 }
9932
9933 printf (" %s\t\t0x%08lx\t%s\n",
9934 pnote->namesz ? pnote->namedata : "(NONE)",
9935 pnote->descsz, nt);
9936 return 1;
9937 }
9938
9939
9940 static int
9941 process_corefile_note_segment (FILE *file, bfd_vma offset, bfd_vma length)
9942 {
9943 Elf_External_Note *pnotes;
9944 Elf_External_Note *external;
9945 int res = 1;
9946
9947 if (length <= 0)
9948 return 0;
9949
9950 pnotes = get_data (NULL, file, offset, length, _("notes"));
9951 if (!pnotes)
9952 return 0;
9953
9954 external = pnotes;
9955
9956 printf (_("\nNotes at offset 0x%08lx with length 0x%08lx:\n"),
9957 (unsigned long) offset, (unsigned long) length);
9958 printf (_(" Owner\t\tData size\tDescription\n"));
9959
9960 while (external < (Elf_External_Note *)((char *) pnotes + length))
9961 {
9962 Elf_External_Note *next;
9963 Elf_Internal_Note inote;
9964 char *temp = NULL;
9965
9966 inote.type = BYTE_GET (external->type);
9967 inote.namesz = BYTE_GET (external->namesz);
9968 inote.namedata = external->name;
9969 inote.descsz = BYTE_GET (external->descsz);
9970 inote.descdata = inote.namedata + align_power (inote.namesz, 2);
9971 inote.descpos = offset + (inote.descdata - (char *) pnotes);
9972
9973 next = (Elf_External_Note *)(inote.descdata + align_power (inote.descsz, 2));
9974
9975 if (((char *) next) > (((char *) pnotes) + length))
9976 {
9977 warn (_("corrupt note found at offset %x into core notes\n"),
9978 ((char *) external) - ((char *) pnotes));
9979 warn (_(" type: %x, namesize: %08lx, descsize: %08lx\n"),
9980 inote.type, inote.namesz, inote.descsz);
9981 break;
9982 }
9983
9984 external = next;
9985
9986 /* Verify that name is null terminated. It appears that at least
9987 one version of Linux (RedHat 6.0) generates corefiles that don't
9988 comply with the ELF spec by failing to include the null byte in
9989 namesz. */
9990 if (inote.namedata[inote.namesz] != '\0')
9991 {
9992 temp = malloc (inote.namesz + 1);
9993
9994 if (temp == NULL)
9995 {
9996 error (_("Out of memory\n"));
9997 res = 0;
9998 break;
9999 }
10000
10001 strncpy (temp, inote.namedata, inote.namesz);
10002 temp[inote.namesz] = 0;
10003
10004 /* warn (_("'%s' NOTE name not properly null terminated\n"), temp); */
10005 inote.namedata = temp;
10006 }
10007
10008 res &= process_note (& inote);
10009
10010 if (temp != NULL)
10011 {
10012 free (temp);
10013 temp = NULL;
10014 }
10015 }
10016
10017 free (pnotes);
10018
10019 return res;
10020 }
10021
10022 static int
10023 process_corefile_note_segments (FILE *file)
10024 {
10025 Elf_Internal_Phdr *segment;
10026 unsigned int i;
10027 int res = 1;
10028
10029 if (! get_program_headers (file))
10030 return 0;
10031
10032 for (i = 0, segment = program_headers;
10033 i < elf_header.e_phnum;
10034 i++, segment++)
10035 {
10036 if (segment->p_type == PT_NOTE)
10037 res &= process_corefile_note_segment (file,
10038 (bfd_vma) segment->p_offset,
10039 (bfd_vma) segment->p_filesz);
10040 }
10041
10042 return res;
10043 }
10044
10045 static int
10046 process_corefile_contents (FILE *file)
10047 {
10048 /* If we have not been asked to display the notes then do nothing. */
10049 if (! do_notes)
10050 return 1;
10051
10052 /* If file is not a core file then exit. */
10053 if (elf_header.e_type != ET_CORE)
10054 return 1;
10055
10056 /* No program headers means no NOTE segment. */
10057 if (elf_header.e_phnum == 0)
10058 {
10059 printf (_("No note segments present in the core file.\n"));
10060 return 1;
10061 }
10062
10063 return process_corefile_note_segments (file);
10064 }
10065
10066 static int
10067 process_arch_specific (FILE *file)
10068 {
10069 if (! do_arch)
10070 return 1;
10071
10072 switch (elf_header.e_machine)
10073 {
10074 case EM_MIPS:
10075 case EM_MIPS_RS3_LE:
10076 return process_mips_specific (file);
10077 break;
10078 default:
10079 break;
10080 }
10081 return 1;
10082 }
10083
10084 static int
10085 get_file_header (FILE *file)
10086 {
10087 /* Read in the identity array. */
10088 if (fread (elf_header.e_ident, EI_NIDENT, 1, file) != 1)
10089 return 0;
10090
10091 /* Determine how to read the rest of the header. */
10092 switch (elf_header.e_ident[EI_DATA])
10093 {
10094 default: /* fall through */
10095 case ELFDATANONE: /* fall through */
10096 case ELFDATA2LSB:
10097 byte_get = byte_get_little_endian;
10098 byte_put = byte_put_little_endian;
10099 break;
10100 case ELFDATA2MSB:
10101 byte_get = byte_get_big_endian;
10102 byte_put = byte_put_big_endian;
10103 break;
10104 }
10105
10106 /* For now we only support 32 bit and 64 bit ELF files. */
10107 is_32bit_elf = (elf_header.e_ident[EI_CLASS] != ELFCLASS64);
10108
10109 /* Read in the rest of the header. */
10110 if (is_32bit_elf)
10111 {
10112 Elf32_External_Ehdr ehdr32;
10113
10114 if (fread (ehdr32.e_type, sizeof (ehdr32) - EI_NIDENT, 1, file) != 1)
10115 return 0;
10116
10117 elf_header.e_type = BYTE_GET (ehdr32.e_type);
10118 elf_header.e_machine = BYTE_GET (ehdr32.e_machine);
10119 elf_header.e_version = BYTE_GET (ehdr32.e_version);
10120 elf_header.e_entry = BYTE_GET (ehdr32.e_entry);
10121 elf_header.e_phoff = BYTE_GET (ehdr32.e_phoff);
10122 elf_header.e_shoff = BYTE_GET (ehdr32.e_shoff);
10123 elf_header.e_flags = BYTE_GET (ehdr32.e_flags);
10124 elf_header.e_ehsize = BYTE_GET (ehdr32.e_ehsize);
10125 elf_header.e_phentsize = BYTE_GET (ehdr32.e_phentsize);
10126 elf_header.e_phnum = BYTE_GET (ehdr32.e_phnum);
10127 elf_header.e_shentsize = BYTE_GET (ehdr32.e_shentsize);
10128 elf_header.e_shnum = BYTE_GET (ehdr32.e_shnum);
10129 elf_header.e_shstrndx = BYTE_GET (ehdr32.e_shstrndx);
10130 }
10131 else
10132 {
10133 Elf64_External_Ehdr ehdr64;
10134
10135 /* If we have been compiled with sizeof (bfd_vma) == 4, then
10136 we will not be able to cope with the 64bit data found in
10137 64 ELF files. Detect this now and abort before we start
10138 overwritting things. */
10139 if (sizeof (bfd_vma) < 8)
10140 {
10141 error (_("This instance of readelf has been built without support for a\n\
10142 64 bit data type and so it cannot read 64 bit ELF files.\n"));
10143 return 0;
10144 }
10145
10146 if (fread (ehdr64.e_type, sizeof (ehdr64) - EI_NIDENT, 1, file) != 1)
10147 return 0;
10148
10149 elf_header.e_type = BYTE_GET (ehdr64.e_type);
10150 elf_header.e_machine = BYTE_GET (ehdr64.e_machine);
10151 elf_header.e_version = BYTE_GET (ehdr64.e_version);
10152 elf_header.e_entry = BYTE_GET8 (ehdr64.e_entry);
10153 elf_header.e_phoff = BYTE_GET8 (ehdr64.e_phoff);
10154 elf_header.e_shoff = BYTE_GET8 (ehdr64.e_shoff);
10155 elf_header.e_flags = BYTE_GET (ehdr64.e_flags);
10156 elf_header.e_ehsize = BYTE_GET (ehdr64.e_ehsize);
10157 elf_header.e_phentsize = BYTE_GET (ehdr64.e_phentsize);
10158 elf_header.e_phnum = BYTE_GET (ehdr64.e_phnum);
10159 elf_header.e_shentsize = BYTE_GET (ehdr64.e_shentsize);
10160 elf_header.e_shnum = BYTE_GET (ehdr64.e_shnum);
10161 elf_header.e_shstrndx = BYTE_GET (ehdr64.e_shstrndx);
10162 }
10163
10164 if (elf_header.e_shoff)
10165 {
10166 /* There may be some extensions in the first section header. Don't
10167 bomb if we can't read it. */
10168 if (is_32bit_elf)
10169 get_32bit_section_headers (file, 1);
10170 else
10171 get_64bit_section_headers (file, 1);
10172 }
10173
10174 return 1;
10175 }
10176
10177 /* Process one ELF object file according to the command line options.
10178 This file may actually be stored in an archive. The file is
10179 positioned at the start of the ELF object. */
10180
10181 static int
10182 process_object (char *file_name, FILE *file)
10183 {
10184 unsigned int i;
10185
10186 if (! get_file_header (file))
10187 {
10188 error (_("%s: Failed to read file header\n"), file_name);
10189 return 1;
10190 }
10191
10192 /* Initialise per file variables. */
10193 for (i = NUM_ELEM (version_info); i--;)
10194 version_info[i] = 0;
10195
10196 for (i = NUM_ELEM (dynamic_info); i--;)
10197 dynamic_info[i] = 0;
10198
10199 /* Process the file. */
10200 if (show_name)
10201 printf (_("\nFile: %s\n"), file_name);
10202
10203 if (! process_file_header ())
10204 return 1;
10205
10206 if (! process_section_headers (file))
10207 {
10208 /* Without loaded section headers we
10209 cannot process lots of things. */
10210 do_unwind = do_version = do_dump = do_arch = 0;
10211
10212 if (! do_using_dynamic)
10213 do_syms = do_reloc = 0;
10214 }
10215
10216 if (process_program_headers (file))
10217 process_dynamic_segment (file);
10218
10219 process_relocs (file);
10220
10221 process_unwind (file);
10222
10223 process_symbol_table (file);
10224
10225 process_syminfo (file);
10226
10227 process_version_sections (file);
10228
10229 process_section_contents (file);
10230
10231 process_corefile_contents (file);
10232
10233 process_gnu_liblist (file);
10234
10235 process_arch_specific (file);
10236
10237 if (program_headers)
10238 {
10239 free (program_headers);
10240 program_headers = NULL;
10241 }
10242
10243 if (section_headers)
10244 {
10245 free (section_headers);
10246 section_headers = NULL;
10247 }
10248
10249 if (string_table)
10250 {
10251 free (string_table);
10252 string_table = NULL;
10253 string_table_length = 0;
10254 }
10255
10256 if (dynamic_strings)
10257 {
10258 free (dynamic_strings);
10259 dynamic_strings = NULL;
10260 }
10261
10262 if (dynamic_symbols)
10263 {
10264 free (dynamic_symbols);
10265 dynamic_symbols = NULL;
10266 num_dynamic_syms = 0;
10267 }
10268
10269 if (dynamic_syminfo)
10270 {
10271 free (dynamic_syminfo);
10272 dynamic_syminfo = NULL;
10273 }
10274
10275 return 0;
10276 }
10277
10278 /* Process an ELF archive. The file is positioned just after the
10279 ARMAG string. */
10280
10281 static int
10282 process_archive (char *file_name, FILE *file)
10283 {
10284 struct ar_hdr arhdr;
10285 size_t got;
10286 unsigned long size;
10287 char *longnames = NULL;
10288 unsigned long longnames_size = 0;
10289 size_t file_name_size;
10290 int ret;
10291
10292 show_name = 1;
10293
10294 got = fread (&arhdr, 1, sizeof arhdr, file);
10295 if (got != sizeof arhdr)
10296 {
10297 if (got == 0)
10298 return 0;
10299
10300 error (_("%s: failed to read archive header\n"), file_name);
10301 return 1;
10302 }
10303
10304 if (memcmp (arhdr.ar_name, "/ ", 16) == 0)
10305 {
10306 /* This is the archive symbol table. Skip it.
10307 FIXME: We should have an option to dump it. */
10308 size = strtoul (arhdr.ar_size, NULL, 10);
10309 if (fseek (file, size + (size & 1), SEEK_CUR) != 0)
10310 {
10311 error (_("%s: failed to skip archive symbol table\n"), file_name);
10312 return 1;
10313 }
10314
10315 got = fread (&arhdr, 1, sizeof arhdr, file);
10316 if (got != sizeof arhdr)
10317 {
10318 if (got == 0)
10319 return 0;
10320
10321 error (_("%s: failed to read archive header\n"), file_name);
10322 return 1;
10323 }
10324 }
10325
10326 if (memcmp (arhdr.ar_name, "// ", 16) == 0)
10327 {
10328 /* This is the archive string table holding long member
10329 names. */
10330
10331 longnames_size = strtoul (arhdr.ar_size, NULL, 10);
10332
10333 longnames = malloc (longnames_size);
10334 if (longnames == NULL)
10335 {
10336 error (_("Out of memory\n"));
10337 return 1;
10338 }
10339
10340 if (fread (longnames, longnames_size, 1, file) != 1)
10341 {
10342 free (longnames);
10343 error(_("%s: failed to read string table\n"), file_name);
10344 return 1;
10345 }
10346
10347 if ((longnames_size & 1) != 0)
10348 getc (file);
10349
10350 got = fread (&arhdr, 1, sizeof arhdr, file);
10351 if (got != sizeof arhdr)
10352 {
10353 free (longnames);
10354
10355 if (got == 0)
10356 return 0;
10357
10358 error (_("%s: failed to read archive header\n"), file_name);
10359 return 1;
10360 }
10361 }
10362
10363 file_name_size = strlen (file_name);
10364 ret = 0;
10365
10366 while (1)
10367 {
10368 char *name;
10369 char *nameend;
10370 char *namealc;
10371
10372 if (arhdr.ar_name[0] == '/')
10373 {
10374 unsigned long off;
10375
10376 off = strtoul (arhdr.ar_name + 1, NULL, 10);
10377 if (off >= longnames_size)
10378 {
10379 error (_("%s: invalid archive string table offset %lu\n"), off);
10380 ret = 1;
10381 break;
10382 }
10383
10384 name = longnames + off;
10385 nameend = memchr (name, '/', longnames_size - off);
10386 }
10387 else
10388 {
10389 name = arhdr.ar_name;
10390 nameend = memchr (name, '/', 16);
10391 }
10392
10393 if (nameend == NULL)
10394 {
10395 error (_("%s: bad archive file name\n"));
10396 ret = 1;
10397 break;
10398 }
10399
10400 namealc = malloc (file_name_size + (nameend - name) + 3);
10401 if (namealc == NULL)
10402 {
10403 error (_("Out of memory\n"));
10404 ret = 1;
10405 break;
10406 }
10407
10408 memcpy (namealc, file_name, file_name_size);
10409 namealc[file_name_size] = '(';
10410 memcpy (namealc + file_name_size + 1, name, nameend - name);
10411 namealc[file_name_size + 1 + (nameend - name)] = ')';
10412 namealc[file_name_size + 2 + (nameend - name)] = '\0';
10413
10414 archive_file_offset = ftell (file);
10415 archive_file_size = strtoul (arhdr.ar_size, NULL, 10);
10416
10417 ret |= process_object (namealc, file);
10418
10419 free (namealc);
10420
10421 if (fseek (file,
10422 (archive_file_offset
10423 + archive_file_size
10424 + (archive_file_size & 1)),
10425 SEEK_SET) != 0)
10426 {
10427 error (_("%s: failed to seek to next archive header\n"), file_name);
10428 ret = 1;
10429 break;
10430 }
10431
10432 got = fread (&arhdr, 1, sizeof arhdr, file);
10433 if (got != sizeof arhdr)
10434 {
10435 if (got == 0)
10436 break;
10437
10438 error (_("%s: failed to read archive header\n"), file_name);
10439 ret = 1;
10440 break;
10441 }
10442 }
10443
10444 if (longnames != 0)
10445 free (longnames);
10446
10447 return ret;
10448 }
10449
10450 static int
10451 process_file (char *file_name)
10452 {
10453 FILE *file;
10454 struct stat statbuf;
10455 char armag[SARMAG];
10456 int ret;
10457
10458 if (stat (file_name, &statbuf) < 0)
10459 {
10460 error (_("Cannot stat input file %s.\n"), file_name);
10461 return 1;
10462 }
10463
10464 file = fopen (file_name, "rb");
10465 if (file == NULL)
10466 {
10467 error (_("Input file %s not found.\n"), file_name);
10468 return 1;
10469 }
10470
10471 if (fread (armag, SARMAG, 1, file) != 1)
10472 {
10473 error (_("%s: Failed to read file header\n"), file_name);
10474 fclose (file);
10475 return 1;
10476 }
10477
10478 if (memcmp (armag, ARMAG, SARMAG) == 0)
10479 ret = process_archive (file_name, file);
10480 else
10481 {
10482 rewind (file);
10483 archive_file_size = archive_file_offset = 0;
10484 ret = process_object (file_name, file);
10485 }
10486
10487 fclose (file);
10488
10489 return ret;
10490 }
10491
10492 #ifdef SUPPORT_DISASSEMBLY
10493 /* Needed by the i386 disassembler. For extra credit, someone could
10494 fix this so that we insert symbolic addresses here, esp for GOT/PLT
10495 symbols. */
10496
10497 void
10498 print_address (unsigned int addr, FILE *outfile)
10499 {
10500 fprintf (outfile,"0x%8.8x", addr);
10501 }
10502
10503 /* Needed by the i386 disassembler. */
10504 void
10505 db_task_printsym (unsigned int addr)
10506 {
10507 print_address (addr, stderr);
10508 }
10509 #endif
10510
10511 int
10512 main (int argc, char **argv)
10513 {
10514 int err;
10515 char *cmdline_dump_sects = NULL;
10516 unsigned num_cmdline_dump_sects = 0;
10517
10518 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
10519 setlocale (LC_MESSAGES, "");
10520 #endif
10521 #if defined (HAVE_SETLOCALE)
10522 setlocale (LC_CTYPE, "");
10523 #endif
10524 bindtextdomain (PACKAGE, LOCALEDIR);
10525 textdomain (PACKAGE);
10526
10527 parse_args (argc, argv);
10528
10529 if (optind < (argc - 1))
10530 show_name = 1;
10531
10532 /* When processing more than one file remember the dump requests
10533 issued on command line to reset them after each file. */
10534 if (optind + 1 < argc && dump_sects != NULL)
10535 {
10536 cmdline_dump_sects = malloc (num_dump_sects);
10537 if (cmdline_dump_sects == NULL)
10538 error (_("Out of memory allocating dump request table."));
10539 else
10540 {
10541 memcpy (cmdline_dump_sects, dump_sects, num_dump_sects);
10542 num_cmdline_dump_sects = num_dump_sects;
10543 }
10544 }
10545
10546 err = 0;
10547 while (optind < argc)
10548 {
10549 err |= process_file (argv[optind++]);
10550
10551 /* Reset dump requests. */
10552 if (optind < argc && dump_sects != NULL)
10553 {
10554 num_dump_sects = num_cmdline_dump_sects;
10555 if (num_cmdline_dump_sects > 0)
10556 memcpy (dump_sects, cmdline_dump_sects, num_cmdline_dump_sects);
10557 }
10558 }
10559
10560 if (dump_sects != NULL)
10561 free (dump_sects);
10562 if (cmdline_dump_sects != NULL)
10563 free (cmdline_dump_sects);
10564
10565 return err;
10566 }
git-cvsimport of binutils cvsroot