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[deliverable/binutils-gdb.git] / binutils / dwarf.c
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19e6b90e 1/* dwarf.c -- display DWARF contents of a BFD binary file
f6f0e17b 2 Copyright 2005-2013 Free Software Foundation, Inc.
19e6b90e
L		 3
4 This file is part of GNU Binutils.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
32866df7 8 the Free Software Foundation; either version 3 of the License, or
19e6b90e
L		 9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
19 02110-1301, USA. */
20
3db64b00 21#include "sysdep.h"
19e6b90e 22#include "libiberty.h"
3db64b00 23#include "bfd.h"
5bbdf3d5 24#include "bfd_stdint.h"
3db64b00 25#include "bucomm.h"
3284fe0c 26#include "elfcomm.h"
2dc4cec1 27#include "elf/common.h"
fa8f86ff 28#include "dwarf2.h"
3db64b00 29#include "dwarf.h"
8d6eee87 30#include "gdb/gdb-index.h"
19e6b90e 31
952781e8
AM		 32#if !HAVE_DECL_STRNLEN
33size_t strnlen (const char *, size_t);
34#endif
35
18464d4d
JK		 36static const char *regname (unsigned int regno, int row);
37
19e6b90e
L		 38static int have_frame_base;
39static int need_base_address;
40
41static unsigned int last_pointer_size = 0;
42static int warned_about_missing_comp_units = FALSE;
43
44static unsigned int num_debug_info_entries = 0;
45static debug_info *debug_information = NULL;
cc86f28f
NC		 46/* Special value for num_debug_info_entries to indicate
47 that the .debug_info section could not be loaded/parsed. */
48#define DEBUG_INFO_UNAVAILABLE (unsigned int) -1
19e6b90e 49
2dc4cec1 50int eh_addr_size;
19e6b90e
L		 51
52int do_debug_info;
53int do_debug_abbrevs;
54int do_debug_lines;
55int do_debug_pubnames;
f9f0e732 56int do_debug_pubtypes;
19e6b90e
L		 57int do_debug_aranges;
58int do_debug_ranges;
59int do_debug_frames;
60int do_debug_frames_interp;
61int do_debug_macinfo;
62int do_debug_str;
63int do_debug_loc;
5bbdf3d5 64int do_gdb_index;
6f875884
TG		 65int do_trace_info;
66int do_trace_abbrevs;
67int do_trace_aranges;
657d0d47
CC		 68int do_debug_addr;
69int do_debug_cu_index;
a262ae96 70int do_wide;
19e6b90e 71
fd2f0033
TT		 72int dwarf_cutoff_level = -1;
73unsigned long dwarf_start_die;
74
4723351a
CC		 75int dwarf_check = 0;
76
341f9135
CC		 77/* Collection of CU/TU section sets from .debug_cu_index and .debug_tu_index
78 sections. For version 1 package files, each set is stored in SHNDX_POOL
79 as a zero-terminated list of section indexes comprising one set of debug
80 sections from a .dwo file. */
81
82static int cu_tu_indexes_read = 0;
83static unsigned int *shndx_pool = NULL;
84static unsigned int shndx_pool_size = 0;
85static unsigned int shndx_pool_used = 0;
86
87/* For version 2 package files, each set contains an array of section offsets
88 and an array of section sizes, giving the offset and size of the
89 contribution from a CU or TU within one of the debug sections.
90 When displaying debug info from a package file, we need to use these
91 tables to locate the corresponding contributions to each section. */
92
93struct cu_tu_set
94{
95 uint64_t signature;
96 dwarf_vma section_offsets[DW_SECT_MAX];
97 size_t section_sizes[DW_SECT_MAX];
98};
99
100static int cu_count = 0;
101static int tu_count = 0;
102static struct cu_tu_set *cu_sets = NULL;
103static struct cu_tu_set *tu_sets = NULL;
104
105static void load_cu_tu_indexes (void *file);
106
4cb93e3b
TG		 107/* Values for do_debug_lines. */
108#define FLAG_DEBUG_LINES_RAW 1
109#define FLAG_DEBUG_LINES_DECODED 2
110
f1c4cc75
RH		 111static int
112size_of_encoded_value (int encoding)
113{
114 switch (encoding & 0x7)
115 {
116 default: /* ??? */
117 case 0: return eh_addr_size;
118 case 2: return 2;
119 case 3: return 4;
120 case 4: return 8;
121 }
122}
123
124static dwarf_vma
bad62cf5
AM		 125get_encoded_value (unsigned char *data,
126 int encoding,
127 struct dwarf_section *section)
f1c4cc75
RH		 128{
129 int size = size_of_encoded_value (encoding);
bad62cf5 130 dwarf_vma val;
f1c4cc75
RH		 131
132 if (encoding & DW_EH_PE_signed)
bad62cf5 133 val = byte_get_signed (data, size);
f1c4cc75 134 else
bad62cf5
AM		 135 val = byte_get (data, size);
136
137 if ((encoding & 0x70) == DW_EH_PE_pcrel)
138 val += section->address + (data - section->start);
139 return val;
f1c4cc75
RH		 140}
141
2d9472a2
NC		 142/* Print a dwarf_vma value (typically an address, offset or length) in
143 hexadecimal format, followed by a space. The length of the value (and
144 hence the precision displayed) is determined by the byte_size parameter. */
cecf136e 145
2d9472a2
NC		 146static void
147print_dwarf_vma (dwarf_vma val, unsigned byte_size)
148{
149 static char buff[18];
467c65bc 150 int offset = 0;
2d9472a2
NC		 151
152 /* Printf does not have a way of specifiying a maximum field width for an
153 integer value, so we print the full value into a buffer and then select
154 the precision we need. */
155#if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2)
467c65bc 156#ifndef __MINGW32__
2d9472a2 157 snprintf (buff, sizeof (buff), "%16.16llx ", val);
2e14fae2
NC		 158#else
159 snprintf (buff, sizeof (buff), "%016I64x ", val);
160#endif
2d9472a2
NC		 161#else
162 snprintf (buff, sizeof (buff), "%16.16lx ", val);
163#endif
164
467c65bc
NC		 165 if (byte_size != 0)
166 {
167 if (byte_size > 0 && byte_size <= 8)
168 offset = 16 - 2 * byte_size;
169 else
9cf03b7e 170 error (_("Wrong size in print_dwarf_vma"));
467c65bc
NC		 171 }
172
173 fputs (buff + offset, stdout);
2d9472a2
NC		 174}
175
467c65bc
NC		 176#if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2)
177#ifndef __MINGW32__
178#define DWARF_VMA_FMT "ll"
179#else
180#define DWARF_VMA_FMT "I64"
181#endif
182#else
183#define DWARF_VMA_FMT "l"
184#endif
185
47704ddf 186static const char *
467c65bc 187dwarf_vmatoa (const char *fmtch, dwarf_vma value)
47704ddf
KT		 188{
189 /* As dwarf_vmatoa is used more then once in a printf call
190 for output, we are cycling through an fixed array of pointers
191 for return address. */
192 static int buf_pos = 0;
467c65bc
NC		 193 static struct dwarf_vmatoa_buf
194 {
47704ddf
KT		 195 char place[64];
196 } buf[16];
197 char fmt[32];
198 char *ret;
199
467c65bc 200 sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch);
47704ddf
KT		 201
202 ret = buf[buf_pos++].place;
467c65bc 203 buf_pos %= ARRAY_SIZE (buf);
47704ddf
KT		 204
205 snprintf (ret, sizeof (buf[0].place), fmt, value);
206
207 return ret;
208}
209
74bc6052
CC		 210/* Format a 64-bit value, given as two 32-bit values, in hex.
211 For reentrancy, this uses a buffer provided by the caller. */
212
213static const char *
214dwarf_vmatoa64 (dwarf_vma hvalue, dwarf_vma lvalue, char *buf,
215 unsigned int buf_len)
216{
217 int len = 0;
218
219 if (hvalue == 0)
220 snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", lvalue);
221 else
222 {
223 len = snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", hvalue);
224 snprintf (buf + len, buf_len - len,
225 "%08" DWARF_VMA_FMT "x", lvalue);
226 }
227
228 return buf;
229}
230
f6f0e17b
NC		 231/* Read in a LEB128 encoded value starting at address DATA.
232 If SIGN is true, return a signed LEB128 value.
233 If LENGTH_RETURN is not NULL, return in it the number of bytes read.
234 No bytes will be read at address END or beyond. */
235
467c65bc 236dwarf_vma
f6f0e17b
NC		 237read_leb128 (unsigned char *data,
238 unsigned int *length_return,
239 bfd_boolean sign,
240 const unsigned char * const end)
19e6b90e 241{
467c65bc 242 dwarf_vma result = 0;
19e6b90e
L		 243 unsigned int num_read = 0;
244 unsigned int shift = 0;
f6f0e17b 245 unsigned char byte = 0;
19e6b90e 246
f6f0e17b 247 while (data < end)
19e6b90e
L		 248 {
249 byte = *data++;
250 num_read++;
251
467c65bc 252 result |= ((dwarf_vma) (byte & 0x7f)) << shift;
19e6b90e
L		 253
254 shift += 7;
f6f0e17b
NC		 255 if ((byte & 0x80) == 0)
256 break;
19e6b90e 257 }
19e6b90e
L		 258
259 if (length_return != NULL)
260 *length_return = num_read;
261
262 if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40))
263 result |= -1L << shift;
264
265 return result;
266}
267
467c65bc 268/* Create a signed version to avoid painful typecasts. */
f6f0e17b
NC		 269static inline dwarf_signed_vma
270read_sleb128 (unsigned char * data,
271 unsigned int * length_return,
272 const unsigned char * const end)
273{
274 return (dwarf_signed_vma) read_leb128 (data, length_return, TRUE, end);
275}
276
277static inline dwarf_vma
278read_uleb128 (unsigned char * data,
279 unsigned int * length_return,
280 const unsigned char * const end)
467c65bc 281{
f6f0e17b 282 return read_leb128 (data, length_return, FALSE, end);
467c65bc
NC		 283}
284
0c588247
NC		 285#define SAFE_BYTE_GET(VAL, PTR, AMOUNT, END) \
286 do \
287 { \
288 unsigned int amount = (AMOUNT); \
289 if (((PTR) + amount) >= (END)) \
290 { \
291 if ((PTR) < (END)) \
292 amount = (END) - (PTR); \
293 else \
294 amount = 0; \
295 } \
296 if (amount) \
297 VAL = byte_get ((PTR), amount); \
298 else \
299 VAL = 0; \
300 } \
301 while (0)
302
303#define SAFE_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \
304 do \
305 { \
306 SAFE_BYTE_GET (VAL, PTR, AMOUNT, END); \
307 PTR += AMOUNT; \
308 } \
309 while (0)
310
311#define SAFE_SIGNED_BYTE_GET(VAL, PTR, AMOUNT, END) \
312 do \
313 { \
314 unsigned int amount = (AMOUNT); \
315 if (((PTR) + amount) >= (END)) \
316 { \
317 if ((PTR) < (END)) \
318 amount = (END) - (PTR); \
319 else \
320 amount = 0; \
321 } \
322 if (amount) \
323 VAL = byte_get_signed ((PTR), amount); \
324 else \
325 VAL = 0; \
326 } \
327 while (0)
328
329#define SAFE_SIGNED_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \
330 do \
331 { \
332 SAFE_SIGNED_BYTE_GET (VAL, PTR, AMOUNT, END); \
333 PTR += AMOUNT; \
334 } \
335 while (0)
336
337#define SAFE_BYTE_GET64(PTR, HIGH, LOW, END) \
338 do \
339 { \
87bc83b3 340 if (((PTR) + 8) <= (END)) \
0c588247
NC		 341 { \
342 byte_get_64 ((PTR), (HIGH), (LOW)); \
343 } \
344 else \
345 { \
0c588247
NC		 346 * (LOW) = * (HIGH) = 0; \
347 } \
348 } \
349 while (0)
350
19e6b90e
L		 351typedef struct State_Machine_Registers
352{
467c65bc 353 dwarf_vma address;
19e6b90e
L		 354 unsigned int file;
355 unsigned int line;
356 unsigned int column;
357 int is_stmt;
358 int basic_block;
a233b20c
JJ		 359 unsigned char op_index;
360 unsigned char end_sequence;
19e6b90e
L		 361/* This variable hold the number of the last entry seen
362 in the File Table. */
363 unsigned int last_file_entry;
364} SMR;
365
366static SMR state_machine_regs;
367
368static void
369reset_state_machine (int is_stmt)
370{
371 state_machine_regs.address = 0;
a233b20c 372 state_machine_regs.op_index = 0;
19e6b90e
L		 373 state_machine_regs.file = 1;
374 state_machine_regs.line = 1;
375 state_machine_regs.column = 0;
376 state_machine_regs.is_stmt = is_stmt;
377 state_machine_regs.basic_block = 0;
378 state_machine_regs.end_sequence = 0;
379 state_machine_regs.last_file_entry = 0;
380}
381
382/* Handled an extend line op.
383 Returns the number of bytes read. */
384
385static int
f6f0e17b
NC		 386process_extended_line_op (unsigned char * data,
387 int is_stmt,
388 unsigned char * end)
19e6b90e
L		 389{
390 unsigned char op_code;
391 unsigned int bytes_read;
392 unsigned int len;
393 unsigned char *name;
143a3db0 394 unsigned char *orig_data = data;
f6f0e17b 395 dwarf_vma adr;
19e6b90e 396
f6f0e17b 397 len = read_uleb128 (data, & bytes_read, end);
19e6b90e
L		 398 data += bytes_read;
399
f6f0e17b 400 if (len == 0 || data == end)
19e6b90e
L		 401 {
402 warn (_("badly formed extended line op encountered!\n"));
403 return bytes_read;
404 }
405
406 len += bytes_read;
407 op_code = *data++;
408
409 printf (_(" Extended opcode %d: "), op_code);
410
411 switch (op_code)
412 {
413 case DW_LNE_end_sequence:
414 printf (_("End of Sequence\n\n"));
415 reset_state_machine (is_stmt);
416 break;
417
418 case DW_LNE_set_address:
0c588247 419 SAFE_BYTE_GET (adr, data, len - bytes_read - 1, end);
47704ddf 420 printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr));
19e6b90e 421 state_machine_regs.address = adr;
a233b20c 422 state_machine_regs.op_index = 0;
19e6b90e
L		 423 break;
424
425 case DW_LNE_define_file:
143a3db0 426 printf (_("define new File Table entry\n"));
19e6b90e 427 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
cc5914eb 428 printf (" %d\t", ++state_machine_regs.last_file_entry);
f6f0e17b 429
19e6b90e 430 name = data;
0c588247 431 data += strnlen ((char *) data, end - data) + 1;
f6f0e17b 432 printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
19e6b90e 433 data += bytes_read;
f6f0e17b 434 printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
19e6b90e 435 data += bytes_read;
f6f0e17b 436 printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
143a3db0 437 data += bytes_read;
f6f0e17b
NC		 438 printf ("%s\n\n", name);
439
440 if (((unsigned int) (data - orig_data) != len) || data == end)
441 warn (_("DW_LNE_define_file: Bad opcode length\n"));
19e6b90e
L		 442 break;
443
ed4a4bdf 444 case DW_LNE_set_discriminator:
47704ddf 445 printf (_("set Discriminator to %s\n"),
f6f0e17b 446 dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
ed4a4bdf
CC		 447 break;
448
e2a0d921
NC		 449 /* HP extensions. */
450 case DW_LNE_HP_negate_is_UV_update:
ed4a4bdf 451 printf ("DW_LNE_HP_negate_is_UV_update\n");
e2a0d921
NC		 452 break;
453 case DW_LNE_HP_push_context:
ed4a4bdf 454 printf ("DW_LNE_HP_push_context\n");
e2a0d921
NC		 455 break;
456 case DW_LNE_HP_pop_context:
ed4a4bdf 457 printf ("DW_LNE_HP_pop_context\n");
e2a0d921
NC		 458 break;
459 case DW_LNE_HP_set_file_line_column:
ed4a4bdf 460 printf ("DW_LNE_HP_set_file_line_column\n");
e2a0d921
NC		 461 break;
462 case DW_LNE_HP_set_routine_name:
ed4a4bdf 463 printf ("DW_LNE_HP_set_routine_name\n");
e2a0d921
NC		 464 break;
465 case DW_LNE_HP_set_sequence:
ed4a4bdf 466 printf ("DW_LNE_HP_set_sequence\n");
e2a0d921
NC		 467 break;
468 case DW_LNE_HP_negate_post_semantics:
ed4a4bdf 469 printf ("DW_LNE_HP_negate_post_semantics\n");
e2a0d921
NC		 470 break;
471 case DW_LNE_HP_negate_function_exit:
ed4a4bdf 472 printf ("DW_LNE_HP_negate_function_exit\n");
e2a0d921
NC		 473 break;
474 case DW_LNE_HP_negate_front_end_logical:
ed4a4bdf 475 printf ("DW_LNE_HP_negate_front_end_logical\n");
e2a0d921
NC		 476 break;
477 case DW_LNE_HP_define_proc:
ed4a4bdf 478 printf ("DW_LNE_HP_define_proc\n");
e2a0d921 479 break;
43294ab7
TG		 480 case DW_LNE_HP_source_file_correlation:
481 {
482 unsigned char *edata = data + len - bytes_read - 1;
483
484 printf ("DW_LNE_HP_source_file_correlation\n");
485
486 while (data < edata)
487 {
488 unsigned int opc;
489
f6f0e17b 490 opc = read_uleb128 (data, & bytes_read, edata);
43294ab7
TG		 491 data += bytes_read;
492
493 switch (opc)
494 {
495 case DW_LNE_HP_SFC_formfeed:
496 printf (" DW_LNE_HP_SFC_formfeed\n");
497 break;
498 case DW_LNE_HP_SFC_set_listing_line:
499 printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n",
500 dwarf_vmatoa ("u",
f6f0e17b 501 read_uleb128 (data, & bytes_read, edata)));
43294ab7
TG		 502 data += bytes_read;
503 break;
504 case DW_LNE_HP_SFC_associate:
505 printf (" DW_LNE_HP_SFC_associate ");
9cf03b7e 506 printf ("(%s",
43294ab7 507 dwarf_vmatoa ("u",
f6f0e17b 508 read_uleb128 (data, & bytes_read, edata)));
43294ab7 509 data += bytes_read;
9cf03b7e 510 printf (",%s",
43294ab7 511 dwarf_vmatoa ("u",
f6f0e17b 512 read_uleb128 (data, & bytes_read, edata)));
43294ab7 513 data += bytes_read;
9cf03b7e 514 printf (",%s)\n",
43294ab7 515 dwarf_vmatoa ("u",
f6f0e17b 516 read_uleb128 (data, & bytes_read, edata)));
43294ab7
TG		 517 data += bytes_read;
518 break;
519 default:
9cf03b7e 520 printf (_(" UNKNOWN DW_LNE_HP_SFC opcode (%u)\n"), opc);
43294ab7
TG		 521 data = edata;
522 break;
523 }
524 }
525 }
526 break;
cecf136e 527
19e6b90e 528 default:
7e665af3
TG		 529 {
530 unsigned int rlen = len - bytes_read - 1;
531
532 if (op_code >= DW_LNE_lo_user
533 /* The test against DW_LNW_hi_user is redundant due to
534 the limited range of the unsigned char data type used
535 for op_code. */
536 /*&& op_code <= DW_LNE_hi_user*/)
537 printf (_("user defined: "));
538 else
539 printf (_("UNKNOWN: "));
540 printf (_("length %d ["), rlen);
541 for (; rlen; rlen--)
542 printf (" %02x", *data++);
543 printf ("]\n");
544 }
19e6b90e
L		 545 break;
546 }
547
548 return len;
549}
550
0c588247 551static const unsigned char *
467c65bc 552fetch_indirect_string (dwarf_vma offset)
19e6b90e
L		 553{
554 struct dwarf_section *section = &debug_displays [str].section;
555
556 if (section->start == NULL)
0c588247 557 return (const unsigned char *) _("<no .debug_str section>");
19e6b90e 558
bfe2612a
L		 559 /* DWARF sections under Mach-O have non-zero addresses. */
560 offset -= section->address;
19e6b90e
L		 561 if (offset > section->size)
562 {
467c65bc
NC		 563 warn (_("DW_FORM_strp offset too big: %s\n"),
564 dwarf_vmatoa ("x", offset));
0c588247 565 return (const unsigned char *) _("<offset is too big>");
19e6b90e
L		 566 }
567
0c588247 568 return (const unsigned char *) section->start + offset;
19e6b90e
L		 569}
570
4723351a 571static const char *
341f9135
CC		 572fetch_indexed_string (dwarf_vma idx, struct cu_tu_set *this_set,
573 dwarf_vma offset_size, int dwo)
4723351a
CC		 574{
575 enum dwarf_section_display_enum str_sec_idx = dwo ? str_dwo : str;
576 enum dwarf_section_display_enum idx_sec_idx = dwo ? str_index_dwo : str_index;
577 struct dwarf_section *index_section = &debug_displays [idx_sec_idx].section;
578 struct dwarf_section *str_section = &debug_displays [str_sec_idx].section;
579 dwarf_vma index_offset = idx * offset_size;
580 dwarf_vma str_offset;
581
582 if (index_section->start == NULL)
583 return (dwo ? _("<no .debug_str_offsets.dwo section>")
584 : _("<no .debug_str_offsets section>"));
585
586 /* DWARF sections under Mach-O have non-zero addresses. */
587 index_offset -= index_section->address;
341f9135
CC		 588 if (this_set != NULL)
589 index_offset += this_set->section_offsets [DW_SECT_STR_OFFSETS];
4723351a
CC		 590 if (index_offset > index_section->size)
591 {
592 warn (_("DW_FORM_GNU_str_index offset too big: %s\n"),
593 dwarf_vmatoa ("x", index_offset));
594 return _("<index offset is too big>");
595 }
596
597 if (str_section->start == NULL)
598 return (dwo ? _("<no .debug_str.dwo section>")
599 : _("<no .debug_str section>"));
600
601 str_offset = byte_get (index_section->start + index_offset, offset_size);
602 str_offset -= str_section->address;
603 if (str_offset > str_section->size)
604 {
605 warn (_("DW_FORM_GNU_str_index indirect offset too big: %s\n"),
606 dwarf_vmatoa ("x", str_offset));
607 return _("<indirect index offset is too big>");
608 }
609
610 return (const char *) str_section->start + str_offset;
611}
612
613static const char *
614fetch_indexed_value (dwarf_vma offset, dwarf_vma bytes)
615{
616 struct dwarf_section *section = &debug_displays [debug_addr].section;
617
618 if (section->start == NULL)
619 return (_("<no .debug_addr section>"));
620
621 if (offset + bytes > section->size)
622 {
623 warn (_("Offset into section %s too big: %s\n"),
624 section->name, dwarf_vmatoa ("x", offset));
625 return "<offset too big>";
626 }
627
628 return dwarf_vmatoa ("x", byte_get (section->start + offset, bytes));
629}
630
631
19e6b90e
L		 632/* FIXME: There are better and more efficient ways to handle
633 these structures. For now though, I just want something that
634 is simple to implement. */
635typedef struct abbrev_attr
636{
637 unsigned long attribute;
638 unsigned long form;
639 struct abbrev_attr *next;
640}
641abbrev_attr;
642
643typedef struct abbrev_entry
644{
645 unsigned long entry;
646 unsigned long tag;
647 int children;
648 struct abbrev_attr *first_attr;
649 struct abbrev_attr *last_attr;
650 struct abbrev_entry *next;
651}
652abbrev_entry;
653
654static abbrev_entry *first_abbrev = NULL;
655static abbrev_entry *last_abbrev = NULL;
656
657static void
658free_abbrevs (void)
659{
91d6fa6a 660 abbrev_entry *abbrv;
19e6b90e 661
91d6fa6a 662 for (abbrv = first_abbrev; abbrv;)
19e6b90e 663 {
91d6fa6a 664 abbrev_entry *next_abbrev = abbrv->next;
19e6b90e
L		 665 abbrev_attr *attr;
666
91d6fa6a 667 for (attr = abbrv->first_attr; attr;)
19e6b90e 668 {
91d6fa6a 669 abbrev_attr *next_attr = attr->next;
19e6b90e
L		 670
671 free (attr);
91d6fa6a 672 attr = next_attr;
19e6b90e
L		 673 }
674
91d6fa6a
NC		 675 free (abbrv);
676 abbrv = next_abbrev;
19e6b90e
L		 677 }
678
679 last_abbrev = first_abbrev = NULL;
680}
681
682static void
683add_abbrev (unsigned long number, unsigned long tag, int children)
684{
685 abbrev_entry *entry;
686
3f5e193b 687 entry = (abbrev_entry *) malloc (sizeof (*entry));
19e6b90e
L		 688 if (entry == NULL)
689 /* ugg */
690 return;
691
692 entry->entry = number;
693 entry->tag = tag;
694 entry->children = children;
695 entry->first_attr = NULL;
696 entry->last_attr = NULL;
697 entry->next = NULL;
698
699 if (first_abbrev == NULL)
700 first_abbrev = entry;
701 else
702 last_abbrev->next = entry;
703
704 last_abbrev = entry;
705}
706
707static void
708add_abbrev_attr (unsigned long attribute, unsigned long form)
709{
710 abbrev_attr *attr;
711
3f5e193b 712 attr = (abbrev_attr *) malloc (sizeof (*attr));
19e6b90e
L		 713 if (attr == NULL)
714 /* ugg */
715 return;
716
717 attr->attribute = attribute;
718 attr->form = form;
719 attr->next = NULL;
720
721 if (last_abbrev->first_attr == NULL)
722 last_abbrev->first_attr = attr;
723 else
724 last_abbrev->last_attr->next = attr;
725
726 last_abbrev->last_attr = attr;
727}
728
729/* Processes the (partial) contents of a .debug_abbrev section.
730 Returns NULL if the end of the section was encountered.
731 Returns the address after the last byte read if the end of
732 an abbreviation set was found. */
733
734static unsigned char *
735process_abbrev_section (unsigned char *start, unsigned char *end)
736{
737 if (first_abbrev != NULL)
738 return NULL;
739
740 while (start < end)
741 {
742 unsigned int bytes_read;
743 unsigned long entry;
744 unsigned long tag;
745 unsigned long attribute;
746 int children;
747
f6f0e17b 748 entry = read_uleb128 (start, & bytes_read, end);
19e6b90e
L		 749 start += bytes_read;
750
751 /* A single zero is supposed to end the section according
752 to the standard. If there's more, then signal that to
753 the caller. */
f6f0e17b
NC		 754 if (start == end)
755 return NULL;
19e6b90e 756 if (entry == 0)
f6f0e17b 757 return start;
19e6b90e 758
f6f0e17b 759 tag = read_uleb128 (start, & bytes_read, end);
19e6b90e 760 start += bytes_read;
f6f0e17b
NC		 761 if (start == end)
762 return NULL;
19e6b90e
L		 763
764 children = *start++;
765
766 add_abbrev (entry, tag, children);
767
768 do
769 {
770 unsigned long form;
771
f6f0e17b 772 attribute = read_uleb128 (start, & bytes_read, end);
19e6b90e 773 start += bytes_read;
f6f0e17b
NC		 774 if (start == end)
775 break;
19e6b90e 776
f6f0e17b 777 form = read_uleb128 (start, & bytes_read, end);
19e6b90e 778 start += bytes_read;
f6f0e17b
NC		 779 if (start == end)
780 break;
19e6b90e 781
399c99f7 782 add_abbrev_attr (attribute, form);
19e6b90e
L		 783 }
784 while (attribute != 0);
785 }
786
399c99f7
L		 787 /* Report the missing single zero which ends the section. */
788 error (_(".debug_abbrev section not zero terminated\n"));
789
19e6b90e
L		 790 return NULL;
791}
792
a19c41a7 793static const char *
19e6b90e
L		 794get_TAG_name (unsigned long tag)
795{
b9c361e0 796 const char *name = get_DW_TAG_name ((unsigned int)tag);
a19c41a7
TT		 797
798 if (name == NULL)
19e6b90e 799 {
a19c41a7 800 static char buffer[100];
19e6b90e 801
a19c41a7
TT		 802 snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %lx"), tag);
803 return buffer;
19e6b90e 804 }
a19c41a7
TT		 805
806 return name;
19e6b90e
L		 807}
808
a19c41a7 809static const char *
19e6b90e
L		 810get_FORM_name (unsigned long form)
811{
399c99f7
L		 812 const char *name;
813
814 if (form == 0)
815 return "DW_FORM value: 0";
a19c41a7 816
399c99f7 817 name = get_DW_FORM_name (form);
a19c41a7 818 if (name == NULL)
19e6b90e 819 {
a19c41a7 820 static char buffer[100];
19e6b90e 821
a19c41a7
TT		 822 snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form);
823 return buffer;
19e6b90e 824 }
a19c41a7
TT		 825
826 return name;
19e6b90e
L		 827}
828
829static unsigned char *
0c588247
NC		 830display_block (unsigned char *data,
831 dwarf_vma length,
832 const unsigned char * const end)
19e6b90e 833{
0c588247
NC		 834 dwarf_vma maxlen;
835
467c65bc 836 printf (_(" %s byte block: "), dwarf_vmatoa ("u", length));
19e6b90e 837
0c588247
NC		 838 maxlen = (dwarf_vma) (end - data);
839 length = length > maxlen ? maxlen : length;
840
19e6b90e
L		 841 while (length --)
842 printf ("%lx ", (unsigned long) byte_get (data++, 1));
843
844 return data;
845}
846
847static int
848decode_location_expression (unsigned char * data,
849 unsigned int pointer_size,
b7807392
JJ		 850 unsigned int offset_size,
851 int dwarf_version,
467c65bc
NC		 852 dwarf_vma length,
853 dwarf_vma cu_offset,
f1c4cc75 854 struct dwarf_section * section)
19e6b90e
L		 855{
856 unsigned op;
857 unsigned int bytes_read;
467c65bc 858 dwarf_vma uvalue;
0c588247 859 dwarf_signed_vma svalue;
19e6b90e
L		 860 unsigned char *end = data + length;
861 int need_frame_base = 0;
862
863 while (data < end)
864 {
865 op = *data++;
866
867 switch (op)
868 {
869 case DW_OP_addr:
0c588247
NC		 870 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
871 printf ("DW_OP_addr: %s", dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 872 break;
873 case DW_OP_deref:
874 printf ("DW_OP_deref");
875 break;
876 case DW_OP_const1u:
0c588247
NC		 877 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
878 printf ("DW_OP_const1u: %lu", (unsigned long) uvalue);
19e6b90e
L		 879 break;
880 case DW_OP_const1s:
0c588247
NC		 881 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 1, end);
882 printf ("DW_OP_const1s: %ld", (long) svalue);
19e6b90e
L		 883 break;
884 case DW_OP_const2u:
87bc83b3 885 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
0c588247 886 printf ("DW_OP_const2u: %lu", (unsigned long) uvalue);
19e6b90e
L		 887 break;
888 case DW_OP_const2s:
0c588247
NC		 889 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
890 printf ("DW_OP_const2s: %ld", (long) svalue);
19e6b90e
L		 891 break;
892 case DW_OP_const4u:
0c588247
NC		 893 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
894 printf ("DW_OP_const4u: %lu", (unsigned long) uvalue);
19e6b90e
L		 895 break;
896 case DW_OP_const4s:
0c588247
NC		 897 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
898 printf ("DW_OP_const4s: %ld", (long) svalue);
19e6b90e
L		 899 break;
900 case DW_OP_const8u:
0c588247
NC		 901 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
902 printf ("DW_OP_const8u: %lu ", (unsigned long) uvalue);
903 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
904 printf ("%lu", (unsigned long) uvalue);
19e6b90e
L		 905 break;
906 case DW_OP_const8s:
0c588247
NC		 907 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
908 printf ("DW_OP_const8s: %ld ", (long) svalue);
909 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
910 printf ("%ld", (long) svalue);
19e6b90e
L		 911 break;
912 case DW_OP_constu:
467c65bc 913 printf ("DW_OP_constu: %s",
f6f0e17b 914 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
19e6b90e
L		 915 data += bytes_read;
916 break;
917 case DW_OP_consts:
467c65bc 918 printf ("DW_OP_consts: %s",
f6f0e17b 919 dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
19e6b90e
L		 920 data += bytes_read;
921 break;
922 case DW_OP_dup:
923 printf ("DW_OP_dup");
924 break;
925 case DW_OP_drop:
926 printf ("DW_OP_drop");
927 break;
928 case DW_OP_over:
929 printf ("DW_OP_over");
930 break;
931 case DW_OP_pick:
0c588247
NC		 932 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
933 printf ("DW_OP_pick: %ld", (unsigned long) uvalue);
19e6b90e
L		 934 break;
935 case DW_OP_swap:
936 printf ("DW_OP_swap");
937 break;
938 case DW_OP_rot:
939 printf ("DW_OP_rot");
940 break;
941 case DW_OP_xderef:
942 printf ("DW_OP_xderef");
943 break;
944 case DW_OP_abs:
945 printf ("DW_OP_abs");
946 break;
947 case DW_OP_and:
948 printf ("DW_OP_and");
949 break;
950 case DW_OP_div:
951 printf ("DW_OP_div");
952 break;
953 case DW_OP_minus:
954 printf ("DW_OP_minus");
955 break;
956 case DW_OP_mod:
957 printf ("DW_OP_mod");
958 break;
959 case DW_OP_mul:
960 printf ("DW_OP_mul");
961 break;
962 case DW_OP_neg:
963 printf ("DW_OP_neg");
964 break;
965 case DW_OP_not:
966 printf ("DW_OP_not");
967 break;
968 case DW_OP_or:
969 printf ("DW_OP_or");
970 break;
971 case DW_OP_plus:
972 printf ("DW_OP_plus");
973 break;
974 case DW_OP_plus_uconst:
467c65bc 975 printf ("DW_OP_plus_uconst: %s",
f6f0e17b 976 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
19e6b90e
L		 977 data += bytes_read;
978 break;
979 case DW_OP_shl:
980 printf ("DW_OP_shl");
981 break;
982 case DW_OP_shr:
983 printf ("DW_OP_shr");
984 break;
985 case DW_OP_shra:
986 printf ("DW_OP_shra");
987 break;
988 case DW_OP_xor:
989 printf ("DW_OP_xor");
990 break;
991 case DW_OP_bra:
0c588247
NC		 992 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
993 printf ("DW_OP_bra: %ld", (long) svalue);
19e6b90e
L		 994 break;
995 case DW_OP_eq:
996 printf ("DW_OP_eq");
997 break;
998 case DW_OP_ge:
999 printf ("DW_OP_ge");
1000 break;
1001 case DW_OP_gt:
1002 printf ("DW_OP_gt");
1003 break;
1004 case DW_OP_le:
1005 printf ("DW_OP_le");
1006 break;
1007 case DW_OP_lt:
1008 printf ("DW_OP_lt");
1009 break;
1010 case DW_OP_ne:
1011 printf ("DW_OP_ne");
1012 break;
1013 case DW_OP_skip:
0c588247
NC		 1014 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1015 printf ("DW_OP_skip: %ld", (long) svalue);
19e6b90e
L		 1016 break;
1017
1018 case DW_OP_lit0:
1019 case DW_OP_lit1:
1020 case DW_OP_lit2:
1021 case DW_OP_lit3:
1022 case DW_OP_lit4:
1023 case DW_OP_lit5:
1024 case DW_OP_lit6:
1025 case DW_OP_lit7:
1026 case DW_OP_lit8:
1027 case DW_OP_lit9:
1028 case DW_OP_lit10:
1029 case DW_OP_lit11:
1030 case DW_OP_lit12:
1031 case DW_OP_lit13:
1032 case DW_OP_lit14:
1033 case DW_OP_lit15:
1034 case DW_OP_lit16:
1035 case DW_OP_lit17:
1036 case DW_OP_lit18:
1037 case DW_OP_lit19:
1038 case DW_OP_lit20:
1039 case DW_OP_lit21:
1040 case DW_OP_lit22:
1041 case DW_OP_lit23:
1042 case DW_OP_lit24:
1043 case DW_OP_lit25:
1044 case DW_OP_lit26:
1045 case DW_OP_lit27:
1046 case DW_OP_lit28:
1047 case DW_OP_lit29:
1048 case DW_OP_lit30:
1049 case DW_OP_lit31:
1050 printf ("DW_OP_lit%d", op - DW_OP_lit0);
1051 break;
1052
1053 case DW_OP_reg0:
1054 case DW_OP_reg1:
1055 case DW_OP_reg2:
1056 case DW_OP_reg3:
1057 case DW_OP_reg4:
1058 case DW_OP_reg5:
1059 case DW_OP_reg6:
1060 case DW_OP_reg7:
1061 case DW_OP_reg8:
1062 case DW_OP_reg9:
1063 case DW_OP_reg10:
1064 case DW_OP_reg11:
1065 case DW_OP_reg12:
1066 case DW_OP_reg13:
1067 case DW_OP_reg14:
1068 case DW_OP_reg15:
1069 case DW_OP_reg16:
1070 case DW_OP_reg17:
1071 case DW_OP_reg18:
1072 case DW_OP_reg19:
1073 case DW_OP_reg20:
1074 case DW_OP_reg21:
1075 case DW_OP_reg22:
1076 case DW_OP_reg23:
1077 case DW_OP_reg24:
1078 case DW_OP_reg25:
1079 case DW_OP_reg26:
1080 case DW_OP_reg27:
1081 case DW_OP_reg28:
1082 case DW_OP_reg29:
1083 case DW_OP_reg30:
1084 case DW_OP_reg31:
18464d4d
JK		 1085 printf ("DW_OP_reg%d (%s)", op - DW_OP_reg0,
1086 regname (op - DW_OP_reg0, 1));
19e6b90e
L		 1087 break;
1088
1089 case DW_OP_breg0:
1090 case DW_OP_breg1:
1091 case DW_OP_breg2:
1092 case DW_OP_breg3:
1093 case DW_OP_breg4:
1094 case DW_OP_breg5:
1095 case DW_OP_breg6:
1096 case DW_OP_breg7:
1097 case DW_OP_breg8:
1098 case DW_OP_breg9:
1099 case DW_OP_breg10:
1100 case DW_OP_breg11:
1101 case DW_OP_breg12:
1102 case DW_OP_breg13:
1103 case DW_OP_breg14:
1104 case DW_OP_breg15:
1105 case DW_OP_breg16:
1106 case DW_OP_breg17:
1107 case DW_OP_breg18:
1108 case DW_OP_breg19:
1109 case DW_OP_breg20:
1110 case DW_OP_breg21:
1111 case DW_OP_breg22:
1112 case DW_OP_breg23:
1113 case DW_OP_breg24:
1114 case DW_OP_breg25:
1115 case DW_OP_breg26:
1116 case DW_OP_breg27:
1117 case DW_OP_breg28:
1118 case DW_OP_breg29:
1119 case DW_OP_breg30:
1120 case DW_OP_breg31:
467c65bc 1121 printf ("DW_OP_breg%d (%s): %s",
47704ddf 1122 op - DW_OP_breg0,
18464d4d 1123 regname (op - DW_OP_breg0, 1),
f6f0e17b 1124 dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
19e6b90e
L		 1125 data += bytes_read;
1126 break;
1127
1128 case DW_OP_regx:
f6f0e17b 1129 uvalue = read_uleb128 (data, &bytes_read, end);
19e6b90e 1130 data += bytes_read;
467c65bc
NC		 1131 printf ("DW_OP_regx: %s (%s)",
1132 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
19e6b90e
L		 1133 break;
1134 case DW_OP_fbreg:
1135 need_frame_base = 1;
467c65bc 1136 printf ("DW_OP_fbreg: %s",
f6f0e17b 1137 dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
19e6b90e
L		 1138 data += bytes_read;
1139 break;
1140 case DW_OP_bregx:
f6f0e17b 1141 uvalue = read_uleb128 (data, &bytes_read, end);
19e6b90e 1142 data += bytes_read;
467c65bc
NC		 1143 printf ("DW_OP_bregx: %s (%s) %s",
1144 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1),
f6f0e17b 1145 dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
19e6b90e
L		 1146 data += bytes_read;
1147 break;
1148 case DW_OP_piece:
467c65bc 1149 printf ("DW_OP_piece: %s",
f6f0e17b 1150 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
19e6b90e
L		 1151 data += bytes_read;
1152 break;
1153 case DW_OP_deref_size:
0c588247
NC		 1154 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1155 printf ("DW_OP_deref_size: %ld", (long) uvalue);
19e6b90e
L		 1156 break;
1157 case DW_OP_xderef_size:
0c588247
NC		 1158 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1159 printf ("DW_OP_xderef_size: %ld", (long) uvalue);
19e6b90e
L		 1160 break;
1161 case DW_OP_nop:
1162 printf ("DW_OP_nop");
1163 break;
1164
1165 /* DWARF 3 extensions. */
1166 case DW_OP_push_object_address:
1167 printf ("DW_OP_push_object_address");
1168 break;
1169 case DW_OP_call2:
1170 /* XXX: Strictly speaking for 64-bit DWARF3 files
1171 this ought to be an 8-byte wide computation. */
0c588247 1172 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
467c65bc 1173 printf ("DW_OP_call2: <0x%s>",
0c588247 1174 dwarf_vmatoa ("x", svalue + cu_offset));
19e6b90e
L		 1175 break;
1176 case DW_OP_call4:
1177 /* XXX: Strictly speaking for 64-bit DWARF3 files
1178 this ought to be an 8-byte wide computation. */
0c588247 1179 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
467c65bc 1180 printf ("DW_OP_call4: <0x%s>",
0c588247 1181 dwarf_vmatoa ("x", svalue + cu_offset));
19e6b90e
L		 1182 break;
1183 case DW_OP_call_ref:
e2a0d921
NC		 1184 /* XXX: Strictly speaking for 64-bit DWARF3 files
1185 this ought to be an 8-byte wide computation. */
b7807392
JJ		 1186 if (dwarf_version == -1)
1187 {
1188 printf (_("(DW_OP_call_ref in frame info)"));
1189 /* No way to tell where the next op is, so just bail. */
1190 return need_frame_base;
1191 }
1192 if (dwarf_version == 2)
1193 {
0c588247 1194 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
b7807392
JJ		 1195 }
1196 else
1197 {
0c588247 1198 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
b7807392 1199 }
0c588247 1200 printf ("DW_OP_call_ref: <0x%s>", dwarf_vmatoa ("x", uvalue));
19e6b90e 1201 break;
a87b0a59
NS		 1202 case DW_OP_form_tls_address:
1203 printf ("DW_OP_form_tls_address");
1204 break;
e2a0d921
NC		 1205 case DW_OP_call_frame_cfa:
1206 printf ("DW_OP_call_frame_cfa");
1207 break;
1208 case DW_OP_bit_piece:
1209 printf ("DW_OP_bit_piece: ");
9cf03b7e 1210 printf (_("size: %s "),
f6f0e17b 1211 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
e2a0d921 1212 data += bytes_read;
9cf03b7e 1213 printf (_("offset: %s "),
f6f0e17b 1214 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
e2a0d921
NC		 1215 data += bytes_read;
1216 break;
19e6b90e 1217
3244e8f5
JJ		 1218 /* DWARF 4 extensions. */
1219 case DW_OP_stack_value:
1220 printf ("DW_OP_stack_value");
1221 break;
1222
1223 case DW_OP_implicit_value:
1224 printf ("DW_OP_implicit_value");
f6f0e17b 1225 uvalue = read_uleb128 (data, &bytes_read, end);
3244e8f5 1226 data += bytes_read;
0c588247 1227 display_block (data, uvalue, end);
3244e8f5
JJ		 1228 data += uvalue;
1229 break;
1230
19e6b90e
L		 1231 /* GNU extensions. */
1232 case DW_OP_GNU_push_tls_address:
9cf03b7e 1233 printf (_("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown"));
e2a0d921
NC		 1234 break;
1235 case DW_OP_GNU_uninit:
1236 printf ("DW_OP_GNU_uninit");
1237 /* FIXME: Is there data associated with this OP ? */
1238 break;
f1c4cc75
RH		 1239 case DW_OP_GNU_encoded_addr:
1240 {
1241 int encoding;
1242 dwarf_vma addr;
467c65bc 1243
f1c4cc75 1244 encoding = *data++;
bad62cf5 1245 addr = get_encoded_value (data, encoding, section);
f1c4cc75
RH		 1246 data += size_of_encoded_value (encoding);
1247
1248 printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding);
1249 print_dwarf_vma (addr, pointer_size);
1250 }
1251 break;
b7807392
JJ		 1252 case DW_OP_GNU_implicit_pointer:
1253 /* XXX: Strictly speaking for 64-bit DWARF3 files
1254 this ought to be an 8-byte wide computation. */
1255 if (dwarf_version == -1)
1256 {
1257 printf (_("(DW_OP_GNU_implicit_pointer in frame info)"));
1258 /* No way to tell where the next op is, so just bail. */
1259 return need_frame_base;
1260 }
1261 if (dwarf_version == 2)
1262 {
0c588247 1263 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
b7807392
JJ		 1264 }
1265 else
1266 {
0c588247 1267 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
b7807392 1268 }
0c588247
NC		 1269 printf ("DW_OP_GNU_implicit_pointer: <0x%s> %s",
1270 dwarf_vmatoa ("x", uvalue),
1271 dwarf_vmatoa ("d", read_sleb128 (data,
1272 &bytes_read, end)));
1273 data += bytes_read;
b7807392 1274 break;
0892011d 1275 case DW_OP_GNU_entry_value:
f6f0e17b 1276 uvalue = read_uleb128 (data, &bytes_read, end);
0892011d
JJ		 1277 data += bytes_read;
1278 printf ("DW_OP_GNU_entry_value: (");
1279 if (decode_location_expression (data, pointer_size, offset_size,
1280 dwarf_version, uvalue,
1281 cu_offset, section))
1282 need_frame_base = 1;
1283 putchar (')');
1284 data += uvalue;
1285 break;
1286 case DW_OP_GNU_const_type:
f6f0e17b 1287 uvalue = read_uleb128 (data, &bytes_read, end);
0892011d
JJ		 1288 data += bytes_read;
1289 printf ("DW_OP_GNU_const_type: <0x%s> ",
1290 dwarf_vmatoa ("x", cu_offset + uvalue));
0c588247
NC		 1291 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1292 display_block (data, uvalue, end);
0892011d
JJ		 1293 data += uvalue;
1294 break;
1295 case DW_OP_GNU_regval_type:
f6f0e17b 1296 uvalue = read_uleb128 (data, &bytes_read, end);
0892011d
JJ		 1297 data += bytes_read;
1298 printf ("DW_OP_GNU_regval_type: %s (%s)",
1299 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
f6f0e17b 1300 uvalue = read_uleb128 (data, &bytes_read, end);
0892011d
JJ		 1301 data += bytes_read;
1302 printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
1303 break;
1304 case DW_OP_GNU_deref_type:
0c588247
NC		 1305 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1306 printf ("DW_OP_GNU_deref_type: %ld", (long) uvalue);
f6f0e17b 1307 uvalue = read_uleb128 (data, &bytes_read, end);
0892011d
JJ		 1308 data += bytes_read;
1309 printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
1310 break;
1311 case DW_OP_GNU_convert:
f6f0e17b 1312 uvalue = read_uleb128 (data, &bytes_read, end);
0892011d
JJ		 1313 data += bytes_read;
1314 printf ("DW_OP_GNU_convert <0x%s>",
f8b999f9 1315 dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
0892011d
JJ		 1316 break;
1317 case DW_OP_GNU_reinterpret:
f6f0e17b 1318 uvalue = read_uleb128 (data, &bytes_read, end);
0892011d
JJ		 1319 data += bytes_read;
1320 printf ("DW_OP_GNU_reinterpret <0x%s>",
f8b999f9
JJ		 1321 dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
1322 break;
1323 case DW_OP_GNU_parameter_ref:
0c588247 1324 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
f8b999f9 1325 printf ("DW_OP_GNU_parameter_ref: <0x%s>",
0c588247 1326 dwarf_vmatoa ("x", cu_offset + uvalue));
0892011d 1327 break;
4723351a 1328 case DW_OP_GNU_addr_index:
f6f0e17b 1329 uvalue = read_uleb128 (data, &bytes_read, end);
4723351a
CC		 1330 data += bytes_read;
1331 printf ("DW_OP_GNU_addr_index <0x%s>", dwarf_vmatoa ("x", uvalue));
1332 break;
aae628c1 1333 case DW_OP_GNU_const_index:
f6f0e17b 1334 uvalue = read_uleb128 (data, &bytes_read, end);
aae628c1
CC		 1335 data += bytes_read;
1336 printf ("DW_OP_GNU_const_index <0x%s>", dwarf_vmatoa ("x", uvalue));
1337 break;
e2a0d921
NC		 1338
1339 /* HP extensions. */
1340 case DW_OP_HP_is_value:
1341 printf ("DW_OP_HP_is_value");
1342 /* FIXME: Is there data associated with this OP ? */
1343 break;
1344 case DW_OP_HP_fltconst4:
1345 printf ("DW_OP_HP_fltconst4");
1346 /* FIXME: Is there data associated with this OP ? */
1347 break;
1348 case DW_OP_HP_fltconst8:
1349 printf ("DW_OP_HP_fltconst8");
1350 /* FIXME: Is there data associated with this OP ? */
1351 break;
1352 case DW_OP_HP_mod_range:
1353 printf ("DW_OP_HP_mod_range");
1354 /* FIXME: Is there data associated with this OP ? */
1355 break;
1356 case DW_OP_HP_unmod_range:
1357 printf ("DW_OP_HP_unmod_range");
1358 /* FIXME: Is there data associated with this OP ? */
1359 break;
1360 case DW_OP_HP_tls:
1361 printf ("DW_OP_HP_tls");
1362 /* FIXME: Is there data associated with this OP ? */
19e6b90e
L		 1363 break;
1364
35d60fe4
NC		 1365 /* PGI (STMicroelectronics) extensions. */
1366 case DW_OP_PGI_omp_thread_num:
1367 /* Pushes the thread number for the current thread as it would be
1368 returned by the standard OpenMP library function:
1369 omp_get_thread_num(). The "current thread" is the thread for
1370 which the expression is being evaluated. */
1371 printf ("DW_OP_PGI_omp_thread_num");
1372 break;
1373
19e6b90e
L		 1374 default:
1375 if (op >= DW_OP_lo_user
1376 && op <= DW_OP_hi_user)
1377 printf (_("(User defined location op)"));
1378 else
1379 printf (_("(Unknown location op)"));
1380 /* No way to tell where the next op is, so just bail. */
1381 return need_frame_base;
1382 }
1383
1384 /* Separate the ops. */
1385 if (data < end)
1386 printf ("; ");
1387 }
1388
1389 return need_frame_base;
1390}
1391
341f9135
CC		 1392/* Find the CU or TU set corresponding to the given CU_OFFSET.
1393 This is used for DWARF package files. */
1394
1395static struct cu_tu_set *
1396find_cu_tu_set_v2 (dwarf_vma cu_offset, int do_types)
1397{
1398 struct cu_tu_set *p;
1399 unsigned int nsets;
1400 unsigned int dw_sect;
1401
1402 if (do_types)
1403 {
1404 p = tu_sets;
1405 nsets = tu_count;
1406 dw_sect = DW_SECT_TYPES;
1407 }
1408 else
1409 {
1410 p = cu_sets;
1411 nsets = cu_count;
1412 dw_sect = DW_SECT_INFO;
1413 }
1414 while (nsets > 0)
1415 {
1416 if (p->section_offsets [dw_sect] == cu_offset)
1417 return p;
1418 p++;
1419 nsets--;
1420 }
1421 return NULL;
1422}
1423
19e6b90e 1424static unsigned char *
6e3d6dc1
NC		 1425read_and_display_attr_value (unsigned long attribute,
1426 unsigned long form,
ec4d4525 1427 unsigned char * data,
f6f0e17b 1428 unsigned char * end,
467c65bc
NC		 1429 dwarf_vma cu_offset,
1430 dwarf_vma pointer_size,
1431 dwarf_vma offset_size,
6e3d6dc1
NC		 1432 int dwarf_version,
1433 debug_info * debug_info_p,
1434 int do_loc,
341f9135
CC		 1435 struct dwarf_section * section,
1436 struct cu_tu_set * this_set)
19e6b90e 1437{
467c65bc 1438 dwarf_vma uvalue = 0;
19e6b90e 1439 unsigned char *block_start = NULL;
6e3d6dc1 1440 unsigned char * orig_data = data;
19e6b90e
L		 1441 unsigned int bytes_read;
1442
0c588247
NC		 1443 if (data == end)
1444 {
1445 warn (_("corrupt attribute\n"));
1446 return data;
1447 }
1448
19e6b90e
L		 1449 switch (form)
1450 {
1451 default:
1452 break;
1453
1454 case DW_FORM_ref_addr:
1455 if (dwarf_version == 2)
0c588247 1456 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
932fd279 1457 else if (dwarf_version == 3 || dwarf_version == 4)
0c588247 1458 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
19e6b90e 1459 else
467c65bc
NC		 1460 error (_("Internal error: DWARF version is not 2, 3 or 4.\n"));
1461
19e6b90e
L		 1462 break;
1463
1464 case DW_FORM_addr:
0c588247 1465 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
19e6b90e
L		 1466 break;
1467
1468 case DW_FORM_strp:
932fd279 1469 case DW_FORM_sec_offset:
a081f3cd
JJ		 1470 case DW_FORM_GNU_ref_alt:
1471 case DW_FORM_GNU_strp_alt:
0c588247 1472 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
19e6b90e
L		 1473 break;
1474
932fd279
JJ		 1475 case DW_FORM_flag_present:
1476 uvalue = 1;
1477 break;
1478
19e6b90e
L		 1479 case DW_FORM_ref1:
1480 case DW_FORM_flag:
1481 case DW_FORM_data1:
0c588247 1482 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
19e6b90e
L		 1483 break;
1484
1485 case DW_FORM_ref2:
1486 case DW_FORM_data2:
0c588247 1487 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
19e6b90e
L		 1488 break;
1489
1490 case DW_FORM_ref4:
1491 case DW_FORM_data4:
0c588247 1492 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
19e6b90e
L		 1493 break;
1494
1495 case DW_FORM_sdata:
f6f0e17b 1496 uvalue = read_sleb128 (data, & bytes_read, end);
19e6b90e
L		 1497 data += bytes_read;
1498 break;
1499
4723351a 1500 case DW_FORM_GNU_str_index:
f6f0e17b 1501 uvalue = read_uleb128 (data, & bytes_read, end);
4723351a
CC		 1502 data += bytes_read;
1503 break;
1504
19e6b90e
L		 1505 case DW_FORM_ref_udata:
1506 case DW_FORM_udata:
f6f0e17b 1507 uvalue = read_uleb128 (data, & bytes_read, end);
19e6b90e
L		 1508 data += bytes_read;
1509 break;
1510
1511 case DW_FORM_indirect:
f6f0e17b 1512 form = read_uleb128 (data, & bytes_read, end);
19e6b90e
L		 1513 data += bytes_read;
1514 if (!do_loc)
1515 printf (" %s", get_FORM_name (form));
f6f0e17b 1516 return read_and_display_attr_value (attribute, form, data, end,
19e6b90e
L		 1517 cu_offset, pointer_size,
1518 offset_size, dwarf_version,
ec4d4525 1519 debug_info_p, do_loc,
341f9135 1520 section, this_set);
4723351a 1521 case DW_FORM_GNU_addr_index:
f6f0e17b 1522 uvalue = read_uleb128 (data, & bytes_read, end);
4723351a
CC		 1523 data += bytes_read;
1524 break;
19e6b90e
L		 1525 }
1526
1527 switch (form)
1528 {
1529 case DW_FORM_ref_addr:
1530 if (!do_loc)
467c65bc 1531 printf (" <0x%s>", dwarf_vmatoa ("x",uvalue));
19e6b90e
L		 1532 break;
1533
a081f3cd
JJ		 1534 case DW_FORM_GNU_ref_alt:
1535 if (!do_loc)
1536 printf (" <alt 0x%s>", dwarf_vmatoa ("x",uvalue));
1537 break;
1538
19e6b90e
L		 1539 case DW_FORM_ref1:
1540 case DW_FORM_ref2:
1541 case DW_FORM_ref4:
1542 case DW_FORM_ref_udata:
1543 if (!do_loc)
467c65bc 1544 printf (" <0x%s>", dwarf_vmatoa ("x", uvalue + cu_offset));
19e6b90e
L		 1545 break;
1546
1547 case DW_FORM_data4:
1548 case DW_FORM_addr:
932fd279 1549 case DW_FORM_sec_offset:
19e6b90e 1550 if (!do_loc)
467c65bc 1551 printf (" 0x%s", dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 1552 break;
1553
932fd279 1554 case DW_FORM_flag_present:
19e6b90e
L		 1555 case DW_FORM_flag:
1556 case DW_FORM_data1:
1557 case DW_FORM_data2:
1558 case DW_FORM_sdata:
1559 case DW_FORM_udata:
1560 if (!do_loc)
467c65bc 1561 printf (" %s", dwarf_vmatoa ("d", uvalue));
19e6b90e
L		 1562 break;
1563
1564 case DW_FORM_ref8:
1565 case DW_FORM_data8:
1566 if (!do_loc)
1567 {
74bc6052
CC		 1568 dwarf_vma high_bits;
1569 char buf[64];
1570
0c588247
NC		 1571 SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end);
1572
74bc6052
CC		 1573 printf (" 0x%s",
1574 dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf)));
19e6b90e 1575 }
0c588247 1576
19e6b90e
L		 1577 if ((do_loc || do_debug_loc || do_debug_ranges)
1578 && num_debug_info_entries == 0)
1579 {
1580 if (sizeof (uvalue) == 8)
0c588247 1581 SAFE_BYTE_GET (uvalue, data, 8, end);
19e6b90e 1582 else
467c65bc 1583 error (_("DW_FORM_data8 is unsupported when sizeof (dwarf_vma) != 8\n"));
19e6b90e 1584 }
0c588247 1585
19e6b90e
L		 1586 data += 8;
1587 break;
1588
1589 case DW_FORM_string:
1590 if (!do_loc)
2bdc3eca 1591 printf (" %.*s", (int) (end - data), data);
0c588247 1592 data += strnlen ((char *) data, end - data) + 1;
19e6b90e
L		 1593 break;
1594
1595 case DW_FORM_block:
932fd279 1596 case DW_FORM_exprloc:
f6f0e17b 1597 uvalue = read_uleb128 (data, & bytes_read, end);
19e6b90e
L		 1598 block_start = data + bytes_read;
1599 if (do_loc)
1600 data = block_start + uvalue;
1601 else
0c588247 1602 data = display_block (block_start, uvalue, end);
19e6b90e
L		 1603 break;
1604
1605 case DW_FORM_block1:
0c588247 1606 SAFE_BYTE_GET (uvalue, data, 1, end);
19e6b90e
L		 1607 block_start = data + 1;
1608 if (do_loc)
1609 data = block_start + uvalue;
1610 else
0c588247 1611 data = display_block (block_start, uvalue, end);
19e6b90e
L		 1612 break;
1613
1614 case DW_FORM_block2:
0c588247 1615 SAFE_BYTE_GET (uvalue, data, 2, end);
19e6b90e
L		 1616 block_start = data + 2;
1617 if (do_loc)
1618 data = block_start + uvalue;
1619 else
0c588247 1620 data = display_block (block_start, uvalue, end);
19e6b90e
L		 1621 break;
1622
1623 case DW_FORM_block4:
0c588247 1624 SAFE_BYTE_GET (uvalue, data, 4, end);
19e6b90e
L		 1625 block_start = data + 4;
1626 if (do_loc)
1627 data = block_start + uvalue;
1628 else
0c588247 1629 data = display_block (block_start, uvalue, end);
19e6b90e
L		 1630 break;
1631
1632 case DW_FORM_strp:
1633 if (!do_loc)
47704ddf
KT		 1634 printf (_(" (indirect string, offset: 0x%s): %s"),
1635 dwarf_vmatoa ("x", uvalue),
1636 fetch_indirect_string (uvalue));
19e6b90e
L		 1637 break;
1638
4723351a
CC		 1639 case DW_FORM_GNU_str_index:
1640 if (!do_loc)
1641 {
1642 const char *suffix = strrchr (section->name, '.');
1643 int dwo = (suffix && strcmp (suffix, ".dwo") == 0) ? 1 : 0;
1644
1645 printf (_(" (indexed string: 0x%s): %s"),
1646 dwarf_vmatoa ("x", uvalue),
341f9135 1647 fetch_indexed_string (uvalue, this_set, offset_size, dwo));
4723351a
CC		 1648 }
1649 break;
1650
a081f3cd
JJ		 1651 case DW_FORM_GNU_strp_alt:
1652 if (!do_loc)
1653 printf (_(" (alt indirect string, offset: 0x%s)"),
1654 dwarf_vmatoa ("x", uvalue));
1655 break;
1656
19e6b90e
L		 1657 case DW_FORM_indirect:
1658 /* Handled above. */
1659 break;
1660
2b6f5997
CC		 1661 case DW_FORM_ref_sig8:
1662 if (!do_loc)
1663 {
74bc6052
CC		 1664 dwarf_vma high_bits;
1665 char buf[64];
1666
0c588247 1667 SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end);
74bc6052
CC		 1668 printf (" signature: 0x%s",
1669 dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf)));
2b6f5997 1670 }
74bc6052 1671 data += 8;
2b6f5997
CC		 1672 break;
1673
4723351a
CC		 1674 case DW_FORM_GNU_addr_index:
1675 if (!do_loc)
1676 printf (_(" (addr_index: 0x%s): %s"),
1677 dwarf_vmatoa ("x", uvalue),
1678 fetch_indexed_value (uvalue * pointer_size, pointer_size));
1679 break;
1680
19e6b90e
L		 1681 default:
1682 warn (_("Unrecognized form: %lu\n"), form);
1683 break;
1684 }
1685
19e6b90e 1686 if ((do_loc || do_debug_loc || do_debug_ranges)
fd2f0033
TT		 1687 && num_debug_info_entries == 0
1688 && debug_info_p != NULL)
19e6b90e
L		 1689 {
1690 switch (attribute)
1691 {
1692 case DW_AT_frame_base:
1693 have_frame_base = 1;
1694 case DW_AT_location:
e2a0d921
NC		 1695 case DW_AT_string_length:
1696 case DW_AT_return_addr:
19e6b90e
L		 1697 case DW_AT_data_member_location:
1698 case DW_AT_vtable_elem_location:
e2a0d921
NC		 1699 case DW_AT_segment:
1700 case DW_AT_static_link:
1701 case DW_AT_use_location:
629e7ca8
JJ		 1702 case DW_AT_GNU_call_site_value:
1703 case DW_AT_GNU_call_site_data_value:
1704 case DW_AT_GNU_call_site_target:
1705 case DW_AT_GNU_call_site_target_clobbered:
212b6063
JK		 1706 if ((dwarf_version < 4
1707 && (form == DW_FORM_data4 || form == DW_FORM_data8))
932fd279 1708 || form == DW_FORM_sec_offset)
19e6b90e
L		 1709 {
1710 /* Process location list. */
91d6fa6a 1711 unsigned int lmax = debug_info_p->max_loc_offsets;
19e6b90e
L		 1712 unsigned int num = debug_info_p->num_loc_offsets;
1713
91d6fa6a 1714 if (lmax == 0 || num >= lmax)
19e6b90e 1715 {
91d6fa6a 1716 lmax += 1024;
467c65bc 1717 debug_info_p->loc_offsets = (dwarf_vma *)
3f5e193b 1718 xcrealloc (debug_info_p->loc_offsets,
91d6fa6a 1719 lmax, sizeof (*debug_info_p->loc_offsets));
3f5e193b
NC		 1720 debug_info_p->have_frame_base = (int *)
1721 xcrealloc (debug_info_p->have_frame_base,
91d6fa6a
NC		 1722 lmax, sizeof (*debug_info_p->have_frame_base));
1723 debug_info_p->max_loc_offsets = lmax;
19e6b90e 1724 }
341f9135
CC		 1725 if (this_set != NULL)
1726 uvalue += this_set->section_offsets [DW_SECT_LOC];
19e6b90e
L		 1727 debug_info_p->loc_offsets [num] = uvalue;
1728 debug_info_p->have_frame_base [num] = have_frame_base;
1729 debug_info_p->num_loc_offsets++;
1730 }
1731 break;
e2a0d921 1732
19e6b90e
L		 1733 case DW_AT_low_pc:
1734 if (need_base_address)
1735 debug_info_p->base_address = uvalue;
1736 break;
1737
4723351a
CC		 1738 case DW_AT_GNU_addr_base:
1739 debug_info_p->addr_base = uvalue;
1740 break;
1741
1742 case DW_AT_GNU_ranges_base:
1743 debug_info_p->ranges_base = uvalue;
1744 break;
1745
19e6b90e 1746 case DW_AT_ranges:
212b6063
JK		 1747 if ((dwarf_version < 4
1748 && (form == DW_FORM_data4 || form == DW_FORM_data8))
932fd279 1749 || form == DW_FORM_sec_offset)
19e6b90e
L		 1750 {
1751 /* Process range list. */
91d6fa6a 1752 unsigned int lmax = debug_info_p->max_range_lists;
19e6b90e
L		 1753 unsigned int num = debug_info_p->num_range_lists;
1754
91d6fa6a 1755 if (lmax == 0 || num >= lmax)
19e6b90e 1756 {
91d6fa6a 1757 lmax += 1024;
467c65bc 1758 debug_info_p->range_lists = (dwarf_vma *)
3f5e193b 1759 xcrealloc (debug_info_p->range_lists,
91d6fa6a
NC		 1760 lmax, sizeof (*debug_info_p->range_lists));
1761 debug_info_p->max_range_lists = lmax;
19e6b90e
L		 1762 }
1763 debug_info_p->range_lists [num] = uvalue;
1764 debug_info_p->num_range_lists++;
1765 }
1766 break;
1767
1768 default:
1769 break;
1770 }
1771 }
1772
4ccf1e31 1773 if (do_loc || attribute == 0)
19e6b90e
L		 1774 return data;
1775
ec4d4525 1776 /* For some attributes we can display further information. */
19e6b90e
L		 1777 printf ("\t");
1778
1779 switch (attribute)
1780 {
1781 case DW_AT_inline:
1782 switch (uvalue)
1783 {
1784 case DW_INL_not_inlined:
1785 printf (_("(not inlined)"));
1786 break;
1787 case DW_INL_inlined:
1788 printf (_("(inlined)"));
1789 break;
1790 case DW_INL_declared_not_inlined:
1791 printf (_("(declared as inline but ignored)"));
1792 break;
1793 case DW_INL_declared_inlined:
1794 printf (_("(declared as inline and inlined)"));
1795 break;
1796 default:
47704ddf
KT		 1797 printf (_(" (Unknown inline attribute value: %s)"),
1798 dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 1799 break;
1800 }
1801 break;
1802
1803 case DW_AT_language:
1804 switch (uvalue)
1805 {
4b78141a 1806 /* Ordered by the numeric value of these constants. */
19e6b90e 1807 case DW_LANG_C89: printf ("(ANSI C)"); break;
4b78141a
NC		 1808 case DW_LANG_C: printf ("(non-ANSI C)"); break;
1809 case DW_LANG_Ada83: printf ("(Ada)"); break;
19e6b90e 1810 case DW_LANG_C_plus_plus: printf ("(C++)"); break;
4b78141a
NC		 1811 case DW_LANG_Cobol74: printf ("(Cobol 74)"); break;
1812 case DW_LANG_Cobol85: printf ("(Cobol 85)"); break;
19e6b90e
L		 1813 case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break;
1814 case DW_LANG_Fortran90: printf ("(Fortran 90)"); break;
19e6b90e 1815 case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break;
4b78141a 1816 case DW_LANG_Modula2: printf ("(Modula 2)"); break;
19e6b90e 1817 /* DWARF 2.1 values. */
4b78141a 1818 case DW_LANG_Java: printf ("(Java)"); break;
19e6b90e
L		 1819 case DW_LANG_C99: printf ("(ANSI C99)"); break;
1820 case DW_LANG_Ada95: printf ("(ADA 95)"); break;
1821 case DW_LANG_Fortran95: printf ("(Fortran 95)"); break;
4b78141a
NC		 1822 /* DWARF 3 values. */
1823 case DW_LANG_PLI: printf ("(PLI)"); break;
1824 case DW_LANG_ObjC: printf ("(Objective C)"); break;
1825 case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break;
1826 case DW_LANG_UPC: printf ("(Unified Parallel C)"); break;
1827 case DW_LANG_D: printf ("(D)"); break;
2b6f5997
CC		 1828 /* DWARF 4 values. */
1829 case DW_LANG_Python: printf ("(Python)"); break;
3362e0d9
ILT		 1830 /* DWARF 5 values. */
1831 case DW_LANG_Go: printf ("(Go)"); break;
19e6b90e
L		 1832 /* MIPS extension. */
1833 case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break;
1834 /* UPC extension. */
1835 case DW_LANG_Upc: printf ("(Unified Parallel C)"); break;
1836 default:
4b78141a 1837 if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user)
9cf03b7e 1838 printf (_("(implementation defined: %s)"),
467c65bc 1839 dwarf_vmatoa ("x", uvalue));
4b78141a 1840 else
9cf03b7e 1841 printf (_("(Unknown: %s)"), dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 1842 break;
1843 }
1844 break;
1845
1846 case DW_AT_encoding:
1847 switch (uvalue)
1848 {
1849 case DW_ATE_void: printf ("(void)"); break;
1850 case DW_ATE_address: printf ("(machine address)"); break;
1851 case DW_ATE_boolean: printf ("(boolean)"); break;
1852 case DW_ATE_complex_float: printf ("(complex float)"); break;
1853 case DW_ATE_float: printf ("(float)"); break;
1854 case DW_ATE_signed: printf ("(signed)"); break;
1855 case DW_ATE_signed_char: printf ("(signed char)"); break;
1856 case DW_ATE_unsigned: printf ("(unsigned)"); break;
1857 case DW_ATE_unsigned_char: printf ("(unsigned char)"); break;
e2a0d921 1858 /* DWARF 2.1 values: */
19e6b90e
L		 1859 case DW_ATE_imaginary_float: printf ("(imaginary float)"); break;
1860 case DW_ATE_decimal_float: printf ("(decimal float)"); break;
e2a0d921
NC		 1861 /* DWARF 3 values: */
1862 case DW_ATE_packed_decimal: printf ("(packed_decimal)"); break;
1863 case DW_ATE_numeric_string: printf ("(numeric_string)"); break;
1864 case DW_ATE_edited: printf ("(edited)"); break;
1865 case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break;
1866 case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break;
1867 /* HP extensions: */
1868 case DW_ATE_HP_float80: printf ("(HP_float80)"); break;
1869 case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break;
1870 case DW_ATE_HP_float128: printf ("(HP_float128)"); break;
1871 case DW_ATE_HP_complex_float128:printf ("(HP_complex_float128)"); break;
1872 case DW_ATE_HP_floathpintel: printf ("(HP_floathpintel)"); break;
1873 case DW_ATE_HP_imaginary_float80: printf ("(HP_imaginary_float80)"); break;
1874 case DW_ATE_HP_imaginary_float128: printf ("(HP_imaginary_float128)"); break;
1875
19e6b90e
L		 1876 default:
1877 if (uvalue >= DW_ATE_lo_user
1878 && uvalue <= DW_ATE_hi_user)
9cf03b7e 1879 printf (_("(user defined type)"));
19e6b90e 1880 else
9cf03b7e 1881 printf (_("(unknown type)"));
19e6b90e
L		 1882 break;
1883 }
1884 break;
1885
1886 case DW_AT_accessibility:
1887 switch (uvalue)
1888 {
1889 case DW_ACCESS_public: printf ("(public)"); break;
1890 case DW_ACCESS_protected: printf ("(protected)"); break;
1891 case DW_ACCESS_private: printf ("(private)"); break;
1892 default:
9cf03b7e 1893 printf (_("(unknown accessibility)"));
19e6b90e
L		 1894 break;
1895 }
1896 break;
1897
1898 case DW_AT_visibility:
1899 switch (uvalue)
1900 {
1901 case DW_VIS_local: printf ("(local)"); break;
1902 case DW_VIS_exported: printf ("(exported)"); break;
1903 case DW_VIS_qualified: printf ("(qualified)"); break;
9cf03b7e 1904 default: printf (_("(unknown visibility)")); break;
19e6b90e
L		 1905 }
1906 break;
1907
1908 case DW_AT_virtuality:
1909 switch (uvalue)
1910 {
1911 case DW_VIRTUALITY_none: printf ("(none)"); break;
1912 case DW_VIRTUALITY_virtual: printf ("(virtual)"); break;
1913 case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break;
9cf03b7e 1914 default: printf (_("(unknown virtuality)")); break;
19e6b90e
L		 1915 }
1916 break;
1917
1918 case DW_AT_identifier_case:
1919 switch (uvalue)
1920 {
1921 case DW_ID_case_sensitive: printf ("(case_sensitive)"); break;
1922 case DW_ID_up_case: printf ("(up_case)"); break;
1923 case DW_ID_down_case: printf ("(down_case)"); break;
1924 case DW_ID_case_insensitive: printf ("(case_insensitive)"); break;
9cf03b7e 1925 default: printf (_("(unknown case)")); break;
19e6b90e
L		 1926 }
1927 break;
1928
1929 case DW_AT_calling_convention:
1930 switch (uvalue)
1931 {
1932 case DW_CC_normal: printf ("(normal)"); break;
1933 case DW_CC_program: printf ("(program)"); break;
1934 case DW_CC_nocall: printf ("(nocall)"); break;
1935 default:
1936 if (uvalue >= DW_CC_lo_user
1937 && uvalue <= DW_CC_hi_user)
9cf03b7e 1938 printf (_("(user defined)"));
19e6b90e 1939 else
9cf03b7e 1940 printf (_("(unknown convention)"));
19e6b90e
L		 1941 }
1942 break;
1943
1944 case DW_AT_ordering:
1945 switch (uvalue)
1946 {
9cf03b7e 1947 case -1: printf (_("(undefined)")); break;
19e6b90e
L		 1948 case 0: printf ("(row major)"); break;
1949 case 1: printf ("(column major)"); break;
1950 }
1951 break;
1952
1953 case DW_AT_frame_base:
1954 have_frame_base = 1;
1955 case DW_AT_location:
e2a0d921
NC		 1956 case DW_AT_string_length:
1957 case DW_AT_return_addr:
19e6b90e
L		 1958 case DW_AT_data_member_location:
1959 case DW_AT_vtable_elem_location:
e2a0d921
NC		 1960 case DW_AT_segment:
1961 case DW_AT_static_link:
1962 case DW_AT_use_location:
629e7ca8
JJ		 1963 case DW_AT_GNU_call_site_value:
1964 case DW_AT_GNU_call_site_data_value:
1965 case DW_AT_GNU_call_site_target:
1966 case DW_AT_GNU_call_site_target_clobbered:
212b6063
JK		 1967 if ((dwarf_version < 4
1968 && (form == DW_FORM_data4 || form == DW_FORM_data8))
932fd279 1969 || form == DW_FORM_sec_offset)
e2a0d921
NC		 1970 printf (_("(location list)"));
1971 /* Fall through. */
19e6b90e
L		 1972 case DW_AT_allocated:
1973 case DW_AT_associated:
1974 case DW_AT_data_location:
1975 case DW_AT_stride:
1976 case DW_AT_upper_bound:
cecf136e 1977 case DW_AT_lower_bound:
19e6b90e
L		 1978 if (block_start)
1979 {
1980 int need_frame_base;
1981
1982 printf ("(");
1983 need_frame_base = decode_location_expression (block_start,
1984 pointer_size,
b7807392
JJ		 1985 offset_size,
1986 dwarf_version,
19e6b90e 1987 uvalue,
f1c4cc75 1988 cu_offset, section);
19e6b90e
L		 1989 printf (")");
1990 if (need_frame_base && !have_frame_base)
1991 printf (_(" [without DW_AT_frame_base]"));
1992 }
19e6b90e
L		 1993 break;
1994
ec4d4525
NC		 1995 case DW_AT_import:
1996 {
a081f3cd
JJ		 1997 if (form == DW_FORM_ref_sig8
1998 || form == DW_FORM_GNU_ref_alt)
2b6f5997
CC		 1999 break;
2000
ec4d4525
NC		 2001 if (form == DW_FORM_ref1
2002 || form == DW_FORM_ref2
a7a0b6a5
JK		 2003 || form == DW_FORM_ref4
2004 || form == DW_FORM_ref_udata)
ec4d4525
NC		 2005 uvalue += cu_offset;
2006
6e3d6dc1 2007 if (uvalue >= section->size)
47704ddf
KT		 2008 warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset %lx is too big.\n"),
2009 dwarf_vmatoa ("x", uvalue),
2010 (unsigned long) (orig_data - section->start));
6e3d6dc1
NC		 2011 else
2012 {
2013 unsigned long abbrev_number;
2014 abbrev_entry * entry;
2015
f6f0e17b 2016 abbrev_number = read_uleb128 (section->start + uvalue, NULL, end);
cecf136e 2017
9cf03b7e 2018 printf (_("[Abbrev Number: %ld"), abbrev_number);
afd6e1ff
JJ		 2019 /* Don't look up abbrev for DW_FORM_ref_addr, as it very often will
2020 use different abbrev table, and we don't track .debug_info chunks
2021 yet. */
2022 if (form != DW_FORM_ref_addr)
2023 {
2024 for (entry = first_abbrev; entry != NULL; entry = entry->next)
2025 if (entry->entry == abbrev_number)
2026 break;
2027 if (entry != NULL)
2028 printf (" (%s)", get_TAG_name (entry->tag));
2029 }
6e3d6dc1
NC		 2030 printf ("]");
2031 }
ec4d4525
NC		 2032 }
2033 break;
2034
19e6b90e
L		 2035 default:
2036 break;
2037 }
2038
2039 return data;
2040}
2041
a19c41a7 2042static const char *
19e6b90e
L		 2043get_AT_name (unsigned long attribute)
2044{
a19c41a7 2045 const char *name;
e2a0d921 2046
399c99f7
L		 2047 if (attribute == 0)
2048 return "DW_AT value: 0";
2049
a19c41a7
TT		 2050 /* One value is shared by the MIPS and HP extensions: */
2051 if (attribute == DW_AT_MIPS_fde)
2052 return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable";
19e6b90e 2053
a19c41a7
TT		 2054 name = get_DW_AT_name (attribute);
2055
2056 if (name == NULL)
2057 {
2058 static char buffer[100];
2059
2060 snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"),
2061 attribute);
2062 return buffer;
19e6b90e 2063 }
a19c41a7
TT		 2064
2065 return name;
19e6b90e
L		 2066}
2067
2068static unsigned char *
6e3d6dc1
NC		 2069read_and_display_attr (unsigned long attribute,
2070 unsigned long form,
ec4d4525 2071 unsigned char * data,
f6f0e17b 2072 unsigned char * end,
467c65bc
NC		 2073 dwarf_vma cu_offset,
2074 dwarf_vma pointer_size,
2075 dwarf_vma offset_size,
6e3d6dc1
NC		 2076 int dwarf_version,
2077 debug_info * debug_info_p,
2078 int do_loc,
341f9135
CC		 2079 struct dwarf_section * section,
2080 struct cu_tu_set * this_set)
19e6b90e
L		 2081{
2082 if (!do_loc)
750f03b7 2083 printf (" %-18s:", get_AT_name (attribute));
f6f0e17b
NC		 2084 data = read_and_display_attr_value (attribute, form, data, end,
2085 cu_offset, pointer_size, offset_size,
19e6b90e 2086 dwarf_version, debug_info_p,
341f9135 2087 do_loc, section, this_set);
19e6b90e
L		 2088 if (!do_loc)
2089 printf ("\n");
2090 return data;
2091}
2092
19e6b90e
L		 2093/* Process the contents of a .debug_info section. If do_loc is non-zero
2094 then we are scanning for location lists and we do not want to display
2b6f5997
CC		 2095 anything to the user. If do_types is non-zero, we are processing
2096 a .debug_types section instead of a .debug_info section. */
19e6b90e
L		 2097
2098static int
6e3d6dc1
NC		 2099process_debug_info (struct dwarf_section *section,
2100 void *file,
6f875884 2101 enum dwarf_section_display_enum abbrev_sec,
2b6f5997
CC		 2102 int do_loc,
2103 int do_types)
19e6b90e
L		 2104{
2105 unsigned char *start = section->start;
2106 unsigned char *end = start + section->size;
2107 unsigned char *section_begin;
2108 unsigned int unit;
2109 unsigned int num_units = 0;
2110
2111 if ((do_loc || do_debug_loc || do_debug_ranges)
2b6f5997
CC		 2112 && num_debug_info_entries == 0
2113 && ! do_types)
19e6b90e 2114 {
767221a9 2115 dwarf_vma length;
19e6b90e
L		 2116
2117 /* First scan the section to get the number of comp units. */
2118 for (section_begin = start, num_units = 0; section_begin < end;
2119 num_units ++)
2120 {
2121 /* Read the first 4 bytes. For a 32-bit DWARF section, this
2122 will be the length. For a 64-bit DWARF section, it'll be
2123 the escape code 0xffffffff followed by an 8 byte length. */
0c588247 2124 SAFE_BYTE_GET (length, section_begin, 4, end);
19e6b90e
L		 2125
2126 if (length == 0xffffffff)
2127 {
0c588247 2128 SAFE_BYTE_GET (length, section_begin + 4, 8, end);
19e6b90e
L		 2129 section_begin += length + 12;
2130 }
ec4d4525
NC		 2131 else if (length >= 0xfffffff0 && length < 0xffffffff)
2132 {
767221a9
NC		 2133 warn (_("Reserved length value (0x%s) found in section %s\n"),
2134 dwarf_vmatoa ("x", length), section->name);
ec4d4525
NC		 2135 return 0;
2136 }
19e6b90e
L		 2137 else
2138 section_begin += length + 4;
aca88567
NC		 2139
2140 /* Negative values are illegal, they may even cause infinite
2141 looping. This can happen if we can't accurately apply
2142 relocations to an object file. */
2143 if ((signed long) length <= 0)
2144 {
767221a9
NC		 2145 warn (_("Corrupt unit length (0x%s) found in section %s\n"),
2146 dwarf_vmatoa ("x", length), section->name);
aca88567
NC		 2147 return 0;
2148 }
19e6b90e
L		 2149 }
2150
2151 if (num_units == 0)
2152 {
2153 error (_("No comp units in %s section ?"), section->name);
2154 return 0;
2155 }
2156
2157 /* Then allocate an array to hold the information. */
3f5e193b
NC		 2158 debug_information = (debug_info *) cmalloc (num_units,
2159 sizeof (* debug_information));
19e6b90e
L		 2160 if (debug_information == NULL)
2161 {
2162 error (_("Not enough memory for a debug info array of %u entries"),
2163 num_units);
2164 return 0;
2165 }
2166 }
2167
2168 if (!do_loc)
2169 {
fd2f0033
TT		 2170 if (dwarf_start_die == 0)
2171 printf (_("Contents of the %s section:\n\n"), section->name);
19e6b90e
L		 2172
2173 load_debug_section (str, file);
4723351a
CC		 2174 load_debug_section (str_dwo, file);
2175 load_debug_section (str_index, file);
2176 load_debug_section (str_index_dwo, file);
2177 load_debug_section (debug_addr, file);
19e6b90e
L		 2178 }
2179
6f875884
TG		 2180 load_debug_section (abbrev_sec, file);
2181 if (debug_displays [abbrev_sec].section.start == NULL)
19e6b90e
L		 2182 {
2183 warn (_("Unable to locate %s section!\n"),
6f875884 2184 debug_displays [abbrev_sec].section.name);
19e6b90e
L		 2185 return 0;
2186 }
2187
2188 for (section_begin = start, unit = 0; start < end; unit++)
2189 {
2190 DWARF2_Internal_CompUnit compunit;
2191 unsigned char *hdrptr;
19e6b90e 2192 unsigned char *tags;
fd2f0033 2193 int level, last_level, saved_level;
467c65bc 2194 dwarf_vma cu_offset;
19e6b90e
L		 2195 int offset_size;
2196 int initial_length_size;
74bc6052
CC		 2197 dwarf_vma signature_high = 0;
2198 dwarf_vma signature_low = 0;
767221a9 2199 dwarf_vma type_offset = 0;
341f9135
CC		 2200 struct cu_tu_set *this_set;
2201 dwarf_vma abbrev_base;
2202 size_t abbrev_size;
19e6b90e
L		 2203
2204 hdrptr = start;
2205
0c588247 2206 SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end);
19e6b90e
L		 2207
2208 if (compunit.cu_length == 0xffffffff)
2209 {
0c588247 2210 SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end);
19e6b90e
L		 2211 offset_size = 8;
2212 initial_length_size = 12;
2213 }
2214 else
2215 {
2216 offset_size = 4;
2217 initial_length_size = 4;
2218 }
2219
0c588247 2220 SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end);
19e6b90e
L		 2221
2222 cu_offset = start - section_begin;
19e6b90e 2223
341f9135
CC		 2224 this_set = find_cu_tu_set_v2 (cu_offset, do_types);
2225
0c588247 2226 SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end);
19e6b90e 2227
341f9135
CC		 2228 if (this_set == NULL)
2229 {
2230 abbrev_base = 0;
2231 abbrev_size = debug_displays [abbrev_sec].section.size;
2232 }
2233 else
2234 {
2235 abbrev_base = this_set->section_offsets [DW_SECT_ABBREV];
2236 abbrev_size = this_set->section_sizes [DW_SECT_ABBREV];
2237 }
2238
0c588247 2239 SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end);
2b6f5997
CC		 2240
2241 if (do_types)
2242 {
0c588247 2243 SAFE_BYTE_GET64 (hdrptr, &signature_high, &signature_low, end);
f048b142 2244 hdrptr += 8;
0c588247 2245 SAFE_BYTE_GET_AND_INC (type_offset, hdrptr, offset_size, end);
2b6f5997
CC		 2246 }
2247
19e6b90e 2248 if ((do_loc || do_debug_loc || do_debug_ranges)
2b6f5997
CC		 2249 && num_debug_info_entries == 0
2250 && ! do_types)
19e6b90e
L		 2251 {
2252 debug_information [unit].cu_offset = cu_offset;
2253 debug_information [unit].pointer_size
2254 = compunit.cu_pointer_size;
b7807392
JJ		 2255 debug_information [unit].offset_size = offset_size;
2256 debug_information [unit].dwarf_version = compunit.cu_version;
19e6b90e 2257 debug_information [unit].base_address = 0;
4723351a
CC		 2258 debug_information [unit].addr_base = DEBUG_INFO_UNAVAILABLE;
2259 debug_information [unit].ranges_base = DEBUG_INFO_UNAVAILABLE;
19e6b90e
L		 2260 debug_information [unit].loc_offsets = NULL;
2261 debug_information [unit].have_frame_base = NULL;
2262 debug_information [unit].max_loc_offsets = 0;
2263 debug_information [unit].num_loc_offsets = 0;
2264 debug_information [unit].range_lists = NULL;
2265 debug_information [unit].max_range_lists= 0;
2266 debug_information [unit].num_range_lists = 0;
2267 }
2268
fd2f0033 2269 if (!do_loc && dwarf_start_die == 0)
19e6b90e 2270 {
47704ddf
KT		 2271 printf (_(" Compilation Unit @ offset 0x%s:\n"),
2272 dwarf_vmatoa ("x", cu_offset));
2273 printf (_(" Length: 0x%s (%s)\n"),
2274 dwarf_vmatoa ("x", compunit.cu_length),
49e7b350 2275 offset_size == 8 ? "64-bit" : "32-bit");
19e6b90e 2276 printf (_(" Version: %d\n"), compunit.cu_version);
7282333f
AM		 2277 printf (_(" Abbrev Offset: 0x%s\n"),
2278 dwarf_vmatoa ("x", compunit.cu_abbrev_offset));
19e6b90e 2279 printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
2b6f5997
CC		 2280 if (do_types)
2281 {
74bc6052
CC		 2282 char buf[64];
2283
2284 printf (_(" Signature: 0x%s\n"),
2285 dwarf_vmatoa64 (signature_high, signature_low,
2286 buf, sizeof (buf)));
2287 printf (_(" Type Offset: 0x%s\n"),
2288 dwarf_vmatoa ("x", type_offset));
2b6f5997 2289 }
341f9135
CC		 2290 if (this_set != NULL)
2291 {
2292 dwarf_vma *offsets = this_set->section_offsets;
2293 size_t *sizes = this_set->section_sizes;
2294
2295 printf (_(" Section contributions:\n"));
2296 printf (_(" .debug_abbrev.dwo: 0x%s 0x%s\n"),
2297 dwarf_vmatoa ("x", offsets [DW_SECT_ABBREV]),
2298 dwarf_vmatoa ("x", sizes [DW_SECT_ABBREV]));
2299 printf (_(" .debug_line.dwo: 0x%s 0x%s\n"),
2300 dwarf_vmatoa ("x", offsets [DW_SECT_LINE]),
2301 dwarf_vmatoa ("x", sizes [DW_SECT_LINE]));
2302 printf (_(" .debug_loc.dwo: 0x%s 0x%s\n"),
2303 dwarf_vmatoa ("x", offsets [DW_SECT_LOC]),
2304 dwarf_vmatoa ("x", sizes [DW_SECT_LOC]));
2305 printf (_(" .debug_str_offsets.dwo: 0x%s 0x%s\n"),
2306 dwarf_vmatoa ("x", offsets [DW_SECT_STR_OFFSETS]),
2307 dwarf_vmatoa ("x", sizes [DW_SECT_STR_OFFSETS]));
2308 }
19e6b90e
L		 2309 }
2310
460c89ff
NS		 2311 if (cu_offset + compunit.cu_length + initial_length_size
2312 > section->size)
2313 {
47704ddf
KT		 2314 warn (_("Debug info is corrupted, length of CU at %s"
2315 " extends beyond end of section (length = %s)\n"),
2316 dwarf_vmatoa ("x", cu_offset),
2317 dwarf_vmatoa ("x", compunit.cu_length));
460c89ff
NS		 2318 break;
2319 }
2320 tags = hdrptr;
2321 start += compunit.cu_length + initial_length_size;
2322
932fd279
JJ		 2323 if (compunit.cu_version != 2
2324 && compunit.cu_version != 3
2325 && compunit.cu_version != 4)
19e6b90e 2326 {
47704ddf
KT		 2327 warn (_("CU at offset %s contains corrupt or "
2328 "unsupported version number: %d.\n"),
2329 dwarf_vmatoa ("x", cu_offset), compunit.cu_version);
19e6b90e
L		 2330 continue;
2331 }
2332
2333 free_abbrevs ();
2334
bfe2612a
L		 2335 /* Process the abbrevs used by this compilation unit. DWARF
2336 sections under Mach-O have non-zero addresses. */
341f9135 2337 if (compunit.cu_abbrev_offset >= abbrev_size)
ec4d4525
NC		 2338 warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"),
2339 (unsigned long) compunit.cu_abbrev_offset,
341f9135 2340 (unsigned long) abbrev_size);
460c89ff
NS		 2341 else
2342 process_abbrev_section
341f9135
CC		 2343 (((unsigned char *) debug_displays [abbrev_sec].section.start
2344 + abbrev_base + compunit.cu_abbrev_offset),
2345 ((unsigned char *) debug_displays [abbrev_sec].section.start
2346 + abbrev_base + abbrev_size));
19e6b90e
L		 2347
2348 level = 0;
fd2f0033
TT		 2349 last_level = level;
2350 saved_level = -1;
19e6b90e
L		 2351 while (tags < start)
2352 {
2353 unsigned int bytes_read;
2354 unsigned long abbrev_number;
ec4d4525 2355 unsigned long die_offset;
19e6b90e
L		 2356 abbrev_entry *entry;
2357 abbrev_attr *attr;
fd2f0033 2358 int do_printing = 1;
19e6b90e 2359
ec4d4525
NC		 2360 die_offset = tags - section_begin;
2361
f6f0e17b 2362 abbrev_number = read_uleb128 (tags, & bytes_read, start);
19e6b90e
L		 2363 tags += bytes_read;
2364
eb7cc021
JK		 2365 /* A null DIE marks the end of a list of siblings or it may also be
2366 a section padding. */
19e6b90e
L		 2367 if (abbrev_number == 0)
2368 {
eb7cc021
JK		 2369 /* Check if it can be a section padding for the last CU. */
2370 if (level == 0 && start == end)
2371 {
2372 unsigned char *chk;
2373
2374 for (chk = tags; chk < start; chk++)
2375 if (*chk != 0)
2376 break;
2377 if (chk == start)
2378 break;
2379 }
2380
4337774f
TT		 2381 if (!do_loc && die_offset >= dwarf_start_die
2382 && (dwarf_cutoff_level == -1
2383 || level < dwarf_cutoff_level))
399c99f7
L		 2384 printf (_(" <%d><%lx>: Abbrev Number: 0\n"),
2385 level, die_offset);
2386
19e6b90e 2387 --level;
ec4d4525
NC		 2388 if (level < 0)
2389 {
2390 static unsigned num_bogus_warns = 0;
2391
2392 if (num_bogus_warns < 3)
2393 {
4723351a
CC		 2394 warn (_("Bogus end-of-siblings marker detected at offset %lx in %s section\n"),
2395 die_offset, section->name);
ec4d4525
NC		 2396 num_bogus_warns ++;
2397 if (num_bogus_warns == 3)
2398 warn (_("Further warnings about bogus end-of-sibling markers suppressed\n"));
2399 }
2400 }
fd2f0033
TT		 2401 if (dwarf_start_die != 0 && level < saved_level)
2402 return 1;
19e6b90e
L		 2403 continue;
2404 }
2405
4b78141a 2406 if (!do_loc)
fd2f0033
TT		 2407 {
2408 if (dwarf_start_die != 0 && die_offset < dwarf_start_die)
2409 do_printing = 0;
2410 else
2411 {
2412 if (dwarf_start_die != 0 && die_offset == dwarf_start_die)
2413 saved_level = level;
2414 do_printing = (dwarf_cutoff_level == -1
2415 || level < dwarf_cutoff_level);
2416 if (do_printing)
2417 printf (_(" <%d><%lx>: Abbrev Number: %lu"),
2418 level, die_offset, abbrev_number);
2419 else if (dwarf_cutoff_level == -1
2420 || last_level < dwarf_cutoff_level)
2421 printf (_(" <%d><%lx>: ...\n"), level, die_offset);
2422 last_level = level;
2423 }
2424 }
cecf136e 2425
19e6b90e
L		 2426 /* Scan through the abbreviation list until we reach the
2427 correct entry. */
2428 for (entry = first_abbrev;
2429 entry && entry->entry != abbrev_number;
2430 entry = entry->next)
2431 continue;
2432
2433 if (entry == NULL)
2434 {
fd2f0033 2435 if (!do_loc && do_printing)
4b78141a
NC		 2436 {
2437 printf ("\n");
2438 fflush (stdout);
2439 }
cc86f28f
NC		 2440 warn (_("DIE at offset %lx refers to abbreviation number %lu which does not exist\n"),
2441 die_offset, abbrev_number);
19e6b90e
L		 2442 return 0;
2443 }
2444
fd2f0033 2445 if (!do_loc && do_printing)
cc5914eb 2446 printf (" (%s)\n", get_TAG_name (entry->tag));
cecf136e 2447
19e6b90e
L		 2448 switch (entry->tag)
2449 {
2450 default:
2451 need_base_address = 0;
2452 break;
2453 case DW_TAG_compile_unit:
2454 need_base_address = 1;
2455 break;
2456 case DW_TAG_entry_point:
19e6b90e
L		 2457 case DW_TAG_subprogram:
2458 need_base_address = 0;
2459 /* Assuming that there is no DW_AT_frame_base. */
2460 have_frame_base = 0;
2461 break;
2462 }
2463
399c99f7
L		 2464 for (attr = entry->first_attr;
2465 attr && attr->attribute;
2466 attr = attr->next)
4b78141a 2467 {
fd2f0033
TT		 2468 debug_info *arg;
2469
2470 if (! do_loc && do_printing)
4b78141a 2471 /* Show the offset from where the tag was extracted. */
fd2f0033
TT		 2472 printf (" <%lx>", (unsigned long)(tags - section_begin));
2473
2474 arg = debug_information;
2475 if (debug_information)
2476 arg += unit;
4b78141a
NC		 2477
2478 tags = read_and_display_attr (attr->attribute,
2479 attr->form,
341f9135 2480 tags,
f6f0e17b 2481 end,
341f9135 2482 cu_offset,
4b78141a
NC		 2483 compunit.cu_pointer_size,
2484 offset_size,
2485 compunit.cu_version,
fd2f0033 2486 arg,
341f9135
CC		 2487 do_loc || ! do_printing,
2488 section,
2489 this_set);
4b78141a 2490 }
cecf136e 2491
19e6b90e
L		 2492 if (entry->children)
2493 ++level;
2494 }
2495 }
cecf136e 2496
19e6b90e
L		 2497 /* Set num_debug_info_entries here so that it can be used to check if
2498 we need to process .debug_loc and .debug_ranges sections. */
2499 if ((do_loc || do_debug_loc || do_debug_ranges)
2b6f5997
CC		 2500 && num_debug_info_entries == 0
2501 && ! do_types)
19e6b90e 2502 num_debug_info_entries = num_units;
cecf136e 2503
19e6b90e 2504 if (!do_loc)
467c65bc 2505 printf ("\n");
cecf136e 2506
19e6b90e
L		 2507 return 1;
2508}
2509
2510/* Locate and scan the .debug_info section in the file and record the pointer
2511 sizes and offsets for the compilation units in it. Usually an executable
2512 will have just one pointer size, but this is not guaranteed, and so we try
2513 not to make any assumptions. Returns zero upon failure, or the number of
2514 compilation units upon success. */
2515
2516static unsigned int
2517load_debug_info (void * file)
2518{
2519 /* Reset the last pointer size so that we can issue correct error
2520 messages if we are displaying the contents of more than one section. */
2521 last_pointer_size = 0;
2522 warned_about_missing_comp_units = FALSE;
2523
1febe64d 2524 /* If we have already tried and failed to load the .debug_info
657d0d47 2525 section then do not bother to repeat the task. */
cc86f28f 2526 if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE)
1febe64d
NC		 2527 return 0;
2528
19e6b90e
L		 2529 /* If we already have the information there is nothing else to do. */
2530 if (num_debug_info_entries > 0)
2531 return num_debug_info_entries;
2532
341f9135
CC		 2533 /* If this is a DWARF package file, load the CU and TU indexes. */
2534 load_cu_tu_indexes (file);
2535
19e6b90e 2536 if (load_debug_section (info, file)
6f875884 2537 && process_debug_info (&debug_displays [info].section, file, abbrev, 1, 0))
19e6b90e 2538 return num_debug_info_entries;
4723351a
CC		 2539 else if (load_debug_section (info_dwo, file)
2540 && process_debug_info (&debug_displays [info_dwo].section, file,
2541 abbrev_dwo, 1, 0))
2542 return num_debug_info_entries;
1febe64d 2543
cc86f28f 2544 num_debug_info_entries = DEBUG_INFO_UNAVAILABLE;
1febe64d 2545 return 0;
19e6b90e
L		 2546}
2547
b40bf0a2
NC		 2548/* Read a DWARF .debug_line section header starting at DATA.
2549 Upon success returns an updated DATA pointer and the LINFO
2550 structure and the END_OF_SEQUENCE pointer will be filled in.
2551 Otherwise returns NULL. */
19e6b90e 2552
b40bf0a2
NC		 2553static unsigned char *
2554read_debug_line_header (struct dwarf_section * section,
2555 unsigned char * data,
2556 unsigned char * end,
2557 DWARF2_Internal_LineInfo * linfo,
2558 unsigned char ** end_of_sequence)
2559{
2560 unsigned char *hdrptr;
2561 unsigned int offset_size;
2562 unsigned int initial_length_size;
19e6b90e 2563
b40bf0a2
NC		 2564 /* Extract information from the Line Number Program Header.
2565 (section 6.2.4 in the Dwarf3 doc). */
19e6b90e
L		 2566 hdrptr = data;
2567
b40bf0a2
NC		 2568 /* Get and check the length of the block. */
2569 SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 4, end);
19e6b90e 2570
b40bf0a2 2571 if (linfo->li_length == 0xffffffff)
19e6b90e
L		 2572 {
2573 /* This section is 64-bit DWARF 3. */
b40bf0a2 2574 SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end);
19e6b90e
L		 2575 offset_size = 8;
2576 initial_length_size = 12;
2577 }
2578 else
2579 {
2580 offset_size = 4;
2581 initial_length_size = 4;
2582 }
2583
b40bf0a2 2584 if (linfo->li_length + initial_length_size > section->size)
19e6b90e 2585 {
b40bf0a2
NC		 2586 /* If the length is just a bias against the initial_length_size then
2587 this means that the field has a relocation against it which has not
2588 been applied. (Ie we are dealing with an object file, not a linked
2589 binary). Do not complain but instead assume that the rest of the
2590 section applies to this particular header. */
2591 if (linfo->li_length == - initial_length_size)
2592 {
2593 linfo->li_length = section->size - initial_length_size;
2594 }
2595 else
2596 {
2597 warn (_("The line info appears to be corrupt - "
2598 "the section is too small\n"));
2599 return NULL;
2600 }
19e6b90e
L		 2601 }
2602
b40bf0a2
NC		 2603 /* Get and check the version number. */
2604 SAFE_BYTE_GET_AND_INC (linfo->li_version, hdrptr, 2, end);
2605
2606 if (linfo->li_version != 2
2607 && linfo->li_version != 3
2608 && linfo->li_version != 4)
19e6b90e 2609 {
932fd279 2610 warn (_("Only DWARF version 2, 3 and 4 line info is currently supported.\n"));
b40bf0a2 2611 return NULL;
19e6b90e
L		 2612 }
2613
b40bf0a2
NC		 2614 SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr, offset_size, end);
2615 SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end);
0c588247 2616
b40bf0a2 2617 if (linfo->li_version >= 4)
a233b20c 2618 {
b40bf0a2 2619 SAFE_BYTE_GET_AND_INC (linfo->li_max_ops_per_insn, hdrptr, 1, end);
0c588247 2620
b40bf0a2 2621 if (linfo->li_max_ops_per_insn == 0)
a233b20c
JJ		 2622 {
2623 warn (_("Invalid maximum operations per insn.\n"));
b40bf0a2 2624 return NULL;
a233b20c
JJ		 2625 }
2626 }
2627 else
b40bf0a2 2628 linfo->li_max_ops_per_insn = 1;
0c588247 2629
b40bf0a2
NC		 2630 SAFE_BYTE_GET_AND_INC (linfo->li_default_is_stmt, hdrptr, 1, end);
2631 SAFE_BYTE_GET_AND_INC (linfo->li_line_base, hdrptr, 1, end);
2632 SAFE_BYTE_GET_AND_INC (linfo->li_line_range, hdrptr, 1, end);
2633 SAFE_BYTE_GET_AND_INC (linfo->li_opcode_base, hdrptr, 1, end);
19e6b90e
L		 2634
2635 /* Sign extend the line base field. */
b40bf0a2
NC		 2636 linfo->li_line_base <<= 24;
2637 linfo->li_line_base >>= 24;
19e6b90e 2638
b40bf0a2
NC		 2639 * end_of_sequence = data + linfo->li_length + initial_length_size;
2640 return hdrptr;
2641}
19e6b90e 2642
b40bf0a2
NC		 2643static int
2644display_debug_lines_raw (struct dwarf_section *section,
2645 unsigned char *data,
2646 unsigned char *end)
2647{
2648 unsigned char *start = section->start;
19e6b90e 2649
b40bf0a2
NC		 2650 printf (_("Raw dump of debug contents of section %s:\n\n"),
2651 section->name);
19e6b90e 2652
b40bf0a2
NC		 2653 while (data < end)
2654 {
2655 static DWARF2_Internal_LineInfo saved_linfo;
2656 DWARF2_Internal_LineInfo linfo;
2657 unsigned char *standard_opcodes;
2658 unsigned char *end_of_sequence;
2659 int i;
19e6b90e 2660
4925cdd7
NC		 2661 if (const_strneq (section->name, ".debug_line.")
2662 /* Note: the following does not apply to .debug_line.dwo sections.
2663 These are full debug_line sections. */
2664 && strcmp (section->name, ".debug_line.dwo") != 0)
19e6b90e 2665 {
b40bf0a2
NC		 2666 /* Sections named .debug_line.<foo> are fragments of a .debug_line
2667 section containing just the Line Number Statements. They are
2668 created by the assembler and intended to be used alongside gcc's
2669 -ffunction-sections command line option. When the linker's
2670 garbage collection decides to discard a .text.<foo> section it
2671 can then also discard the line number information in .debug_line.<foo>.
2672
4925cdd7 2673 Since the section is a fragment it does not have the details
b40bf0a2 2674 needed to fill out a LineInfo structure, so instead we use the
4925cdd7 2675 details from the last full debug_line section that we processed. */
b40bf0a2
NC		 2676 end_of_sequence = end;
2677 standard_opcodes = NULL;
2678 linfo = saved_linfo;
2679 reset_state_machine (linfo.li_default_is_stmt);
19e6b90e 2680 }
19e6b90e
L		 2681 else
2682 {
b40bf0a2 2683 unsigned char * hdrptr;
19e6b90e 2684
b40bf0a2
NC		 2685 if ((hdrptr = read_debug_line_header (section, data, end, & linfo,
2686 & end_of_sequence)) == NULL)
2687 return 0;
19e6b90e 2688
b40bf0a2
NC		 2689 printf (_(" Offset: 0x%lx\n"), (long)(data - start));
2690 printf (_(" Length: %ld\n"), (long) linfo.li_length);
2691 printf (_(" DWARF Version: %d\n"), linfo.li_version);
2692 printf (_(" Prologue Length: %d\n"), linfo.li_prologue_length);
2693 printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length);
2694 if (linfo.li_version >= 4)
2695 printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn);
2696 printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt);
2697 printf (_(" Line Base: %d\n"), linfo.li_line_base);
2698 printf (_(" Line Range: %d\n"), linfo.li_line_range);
2699 printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base);
19e6b90e 2700
b40bf0a2 2701 reset_state_machine (linfo.li_default_is_stmt);
19e6b90e 2702
b40bf0a2
NC		 2703 /* Display the contents of the Opcodes table. */
2704 standard_opcodes = hdrptr;
19e6b90e 2705
b40bf0a2 2706 printf (_("\n Opcodes:\n"));
19e6b90e 2707
b40bf0a2
NC		 2708 for (i = 1; i < linfo.li_opcode_base; i++)
2709 printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]);
19e6b90e 2710
b40bf0a2
NC		 2711 /* Display the contents of the Directory table. */
2712 data = standard_opcodes + linfo.li_opcode_base - 1;
19e6b90e 2713
b40bf0a2
NC		 2714 if (*data == 0)
2715 printf (_("\n The Directory Table is empty.\n"));
2716 else
2717 {
2718 printf (_("\n The Directory Table:\n"));
19e6b90e 2719
b40bf0a2 2720 while (*data != 0)
a233b20c 2721 {
b40bf0a2
NC		 2722 printf (" %s\n", data);
2723
2724 data += strnlen ((char *) data, end - data) + 1;
a233b20c 2725 }
b40bf0a2 2726 }
19e6b90e 2727
b40bf0a2
NC		 2728 /* Skip the NUL at the end of the table. */
2729 data++;
19e6b90e 2730
b40bf0a2
NC		 2731 /* Display the contents of the File Name table. */
2732 if (*data == 0)
2733 printf (_("\n The File Name Table is empty.\n"));
2734 else
2735 {
2736 printf (_("\n The File Name Table:\n"));
2737 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
19e6b90e 2738
b40bf0a2
NC		 2739 while (*data != 0)
2740 {
2741 unsigned char *name;
2742 unsigned int bytes_read;
19e6b90e 2743
b40bf0a2
NC		 2744 printf (" %d\t", ++state_machine_regs.last_file_entry);
2745 name = data;
2746 data += strnlen ((char *) data, end - data) + 1;
19e6b90e 2747
b40bf0a2
NC		 2748 printf ("%s\t",
2749 dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
2750 data += bytes_read;
2751 printf ("%s\t",
2752 dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
2753 data += bytes_read;
2754 printf ("%s\t",
2755 dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
2756 data += bytes_read;
2757 printf ("%s\n", name);
19e6b90e 2758
b40bf0a2
NC		 2759 if (data == end)
2760 {
2761 warn (_("Corrupt file name table entry\n"));
2762 break;
2763 }
a233b20c 2764 }
b40bf0a2 2765 }
19e6b90e 2766
b40bf0a2
NC		 2767 /* Skip the NUL at the end of the table. */
2768 data++;
2769 putchar ('\n');
2770 saved_linfo = linfo;
2771 }
19e6b90e 2772
b40bf0a2
NC		 2773 /* Now display the statements. */
2774 if (data >= end_of_sequence)
2775 printf (_(" No Line Number Statements.\n"));
2776 else
2777 {
2778 printf (_(" Line Number Statements:\n"));
19e6b90e 2779
b40bf0a2
NC		 2780 while (data < end_of_sequence)
2781 {
2782 unsigned char op_code;
2783 dwarf_signed_vma adv;
2784 dwarf_vma uladv;
2785 unsigned int bytes_read;
19e6b90e 2786
b40bf0a2 2787 op_code = *data++;
19e6b90e 2788
b40bf0a2 2789 if (op_code >= linfo.li_opcode_base)
19e6b90e 2790 {
b40bf0a2
NC		 2791 op_code -= linfo.li_opcode_base;
2792 uladv = (op_code / linfo.li_line_range);
2793 if (linfo.li_max_ops_per_insn == 1)
2794 {
2795 uladv *= linfo.li_min_insn_length;
2796 state_machine_regs.address += uladv;
2797 printf (_(" Special opcode %d: "
2798 "advance Address by %s to 0x%s"),
2799 op_code, dwarf_vmatoa ("u", uladv),
2800 dwarf_vmatoa ("x", state_machine_regs.address));
2801 }
2802 else
2803 {
2804 state_machine_regs.address
2805 += ((state_machine_regs.op_index + uladv)
2806 / linfo.li_max_ops_per_insn)
2807 * linfo.li_min_insn_length;
2808 state_machine_regs.op_index
2809 = (state_machine_regs.op_index + uladv)
2810 % linfo.li_max_ops_per_insn;
2811 printf (_(" Special opcode %d: "
2812 "advance Address by %s to 0x%s[%d]"),
2813 op_code, dwarf_vmatoa ("u", uladv),
2814 dwarf_vmatoa ("x", state_machine_regs.address),
2815 state_machine_regs.op_index);
2816 }
2817 adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
2818 state_machine_regs.line += adv;
2819 printf (_(" and Line by %s to %d\n"),
2820 dwarf_vmatoa ("d", adv), state_machine_regs.line);
19e6b90e 2821 }
b40bf0a2
NC		 2822 else switch (op_code)
2823 {
2824 case DW_LNS_extended_op:
2825 data += process_extended_line_op (data, linfo.li_default_is_stmt, end);
2826 break;
2827
2828 case DW_LNS_copy:
2829 printf (_(" Copy\n"));
2830 break;
2831
2832 case DW_LNS_advance_pc:
2833 uladv = read_uleb128 (data, & bytes_read, end);
2834 data += bytes_read;
2835 if (linfo.li_max_ops_per_insn == 1)
2836 {
2837 uladv *= linfo.li_min_insn_length;
2838 state_machine_regs.address += uladv;
2839 printf (_(" Advance PC by %s to 0x%s\n"),
2840 dwarf_vmatoa ("u", uladv),
2841 dwarf_vmatoa ("x", state_machine_regs.address));
2842 }
2843 else
2844 {
2845 state_machine_regs.address
2846 += ((state_machine_regs.op_index + uladv)
2847 / linfo.li_max_ops_per_insn)
2848 * linfo.li_min_insn_length;
2849 state_machine_regs.op_index
2850 = (state_machine_regs.op_index + uladv)
2851 % linfo.li_max_ops_per_insn;
2852 printf (_(" Advance PC by %s to 0x%s[%d]\n"),
2853 dwarf_vmatoa ("u", uladv),
2854 dwarf_vmatoa ("x", state_machine_regs.address),
2855 state_machine_regs.op_index);
2856 }
2857 break;
2858
2859 case DW_LNS_advance_line:
2860 adv = read_sleb128 (data, & bytes_read, end);
2861 data += bytes_read;
2862 state_machine_regs.line += adv;
2863 printf (_(" Advance Line by %s to %d\n"),
2864 dwarf_vmatoa ("d", adv),
2865 state_machine_regs.line);
2866 break;
2867
2868 case DW_LNS_set_file:
2869 adv = read_uleb128 (data, & bytes_read, end);
2870 data += bytes_read;
2871 printf (_(" Set File Name to entry %s in the File Name Table\n"),
2872 dwarf_vmatoa ("d", adv));
2873 state_machine_regs.file = adv;
2874 break;
2875
2876 case DW_LNS_set_column:
2877 uladv = read_uleb128 (data, & bytes_read, end);
2878 data += bytes_read;
2879 printf (_(" Set column to %s\n"),
2880 dwarf_vmatoa ("u", uladv));
2881 state_machine_regs.column = uladv;
2882 break;
2883
2884 case DW_LNS_negate_stmt:
2885 adv = state_machine_regs.is_stmt;
2886 adv = ! adv;
2887 printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv));
2888 state_machine_regs.is_stmt = adv;
2889 break;
2890
2891 case DW_LNS_set_basic_block:
2892 printf (_(" Set basic block\n"));
2893 state_machine_regs.basic_block = 1;
2894 break;
2895
2896 case DW_LNS_const_add_pc:
2897 uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
2898 if (linfo.li_max_ops_per_insn)
2899 {
2900 uladv *= linfo.li_min_insn_length;
2901 state_machine_regs.address += uladv;
2902 printf (_(" Advance PC by constant %s to 0x%s\n"),
2903 dwarf_vmatoa ("u", uladv),
2904 dwarf_vmatoa ("x", state_machine_regs.address));
2905 }
2906 else
2907 {
2908 state_machine_regs.address
2909 += ((state_machine_regs.op_index + uladv)
2910 / linfo.li_max_ops_per_insn)
2911 * linfo.li_min_insn_length;
2912 state_machine_regs.op_index
2913 = (state_machine_regs.op_index + uladv)
2914 % linfo.li_max_ops_per_insn;
2915 printf (_(" Advance PC by constant %s to 0x%s[%d]\n"),
2916 dwarf_vmatoa ("u", uladv),
2917 dwarf_vmatoa ("x", state_machine_regs.address),
2918 state_machine_regs.op_index);
2919 }
2920 break;
2921
2922 case DW_LNS_fixed_advance_pc:
2923 SAFE_BYTE_GET_AND_INC (uladv, data, 2, end);
2924 state_machine_regs.address += uladv;
2925 state_machine_regs.op_index = 0;
2926 printf (_(" Advance PC by fixed size amount %s to 0x%s\n"),
2927 dwarf_vmatoa ("u", uladv),
2928 dwarf_vmatoa ("x", state_machine_regs.address));
2929 break;
2930
2931 case DW_LNS_set_prologue_end:
2932 printf (_(" Set prologue_end to true\n"));
2933 break;
2934
2935 case DW_LNS_set_epilogue_begin:
2936 printf (_(" Set epilogue_begin to true\n"));
2937 break;
2938
2939 case DW_LNS_set_isa:
2940 uladv = read_uleb128 (data, & bytes_read, end);
2941 data += bytes_read;
2942 printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv));
2943 break;
2944
2945 default:
2946 printf (_(" Unknown opcode %d with operands: "), op_code);
2947
2948 if (standard_opcodes != NULL)
2949 for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
2950 {
2951 printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data,
2952 &bytes_read, end)),
2953 i == 1 ? "" : ", ");
2954 data += bytes_read;
2955 }
2956 putchar ('\n');
2957 break;
2958 }
19e6b90e 2959 }
b40bf0a2 2960 putchar ('\n');
19e6b90e 2961 }
19e6b90e
L		 2962 }
2963
2964 return 1;
2965}
2966
a262ae96
NC		 2967typedef struct
2968{
467c65bc
NC		 2969 unsigned char *name;
2970 unsigned int directory_index;
2971 unsigned int modification_date;
2972 unsigned int length;
a262ae96
NC		 2973} File_Entry;
2974
2975/* Output a decoded representation of the .debug_line section. */
2976
2977static int
2978display_debug_lines_decoded (struct dwarf_section *section,
2979 unsigned char *data,
2980 unsigned char *end)
2981{
b40bf0a2
NC		 2982 static DWARF2_Internal_LineInfo saved_linfo;
2983
a262ae96
NC		 2984 printf (_("Decoded dump of debug contents of section %s:\n\n"),
2985 section->name);
2986
2987 while (data < end)
2988 {
2989 /* This loop amounts to one iteration per compilation unit. */
91d6fa6a 2990 DWARF2_Internal_LineInfo linfo;
a262ae96
NC		 2991 unsigned char *standard_opcodes;
2992 unsigned char *end_of_sequence;
a262ae96
NC		 2993 int i;
2994 File_Entry *file_table = NULL;
143a3db0 2995 unsigned int n_files = 0;
a262ae96 2996 unsigned char **directory_table = NULL;
143a3db0 2997 unsigned int n_directories = 0;
a262ae96 2998
4925cdd7
NC		 2999 if (const_strneq (section->name, ".debug_line.")
3000 /* Note: the following does not apply to .debug_line.dwo sections.
3001 These are full debug_line sections. */
3002 && strcmp (section->name, ".debug_line.dwo") != 0)
a262ae96 3003 {
4925cdd7 3004 /* See comment in display_debug_lines_raw(). */
b40bf0a2
NC		 3005 end_of_sequence = end;
3006 standard_opcodes = NULL;
3007 linfo = saved_linfo;
3008 reset_state_machine (linfo.li_default_is_stmt);
a262ae96
NC		 3009 }
3010 else
3011 {
b40bf0a2 3012 unsigned char *hdrptr;
a262ae96 3013
b40bf0a2
NC		 3014 if ((hdrptr = read_debug_line_header (section, data, end, & linfo,
3015 & end_of_sequence)) == NULL)
a233b20c 3016 return 0;
0c588247 3017
b40bf0a2 3018 reset_state_machine (linfo.li_default_is_stmt);
a262ae96 3019
b40bf0a2
NC		 3020 /* Save a pointer to the contents of the Opcodes table. */
3021 standard_opcodes = hdrptr;
a262ae96 3022
b40bf0a2
NC		 3023 /* Traverse the Directory table just to count entries. */
3024 data = standard_opcodes + linfo.li_opcode_base - 1;
3025 if (*data != 0)
3026 {
3027 unsigned char *ptr_directory_table = data;
a262ae96 3028
b40bf0a2
NC		 3029 while (*data != 0)
3030 {
3031 data += strnlen ((char *) data, end - data) + 1;
3032 n_directories++;
3033 }
a262ae96 3034
b40bf0a2
NC		 3035 /* Go through the directory table again to save the directories. */
3036 directory_table = (unsigned char **)
3037 xmalloc (n_directories * sizeof (unsigned char *));
a262ae96 3038
b40bf0a2
NC		 3039 i = 0;
3040 while (*ptr_directory_table != 0)
3041 {
3042 directory_table[i] = ptr_directory_table;
3043 ptr_directory_table += strnlen ((char *) ptr_directory_table,
3044 ptr_directory_table - end) + 1;
3045 i++;
3046 }
a262ae96 3047 }
b40bf0a2
NC		 3048 /* Skip the NUL at the end of the table. */
3049 data++;
a262ae96 3050
b40bf0a2
NC		 3051 /* Traverse the File Name table just to count the entries. */
3052 if (*data != 0)
3053 {
3054 unsigned char *ptr_file_name_table = data;
a262ae96 3055
b40bf0a2
NC		 3056 while (*data != 0)
3057 {
3058 unsigned int bytes_read;
a262ae96 3059
b40bf0a2
NC		 3060 /* Skip Name, directory index, last modification time and length
3061 of file. */
3062 data += strnlen ((char *) data, end - data) + 1;
3063 read_uleb128 (data, & bytes_read, end);
3064 data += bytes_read;
3065 read_uleb128 (data, & bytes_read, end);
3066 data += bytes_read;
3067 read_uleb128 (data, & bytes_read, end);
3068 data += bytes_read;
a262ae96 3069
b40bf0a2
NC		 3070 n_files++;
3071 }
a262ae96 3072
b40bf0a2
NC		 3073 /* Go through the file table again to save the strings. */
3074 file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry));
a262ae96 3075
b40bf0a2
NC		 3076 i = 0;
3077 while (*ptr_file_name_table != 0)
3078 {
3079 unsigned int bytes_read;
3080
3081 file_table[i].name = ptr_file_name_table;
3082 ptr_file_name_table += strnlen ((char *) ptr_file_name_table,
3083 end - ptr_file_name_table) + 1;
3084
3085 /* We are not interested in directory, time or size. */
3086 file_table[i].directory_index = read_uleb128 (ptr_file_name_table,
3087 & bytes_read, end);
3088 ptr_file_name_table += bytes_read;
3089 file_table[i].modification_date = read_uleb128 (ptr_file_name_table,
3090 & bytes_read, end);
3091 ptr_file_name_table += bytes_read;
3092 file_table[i].length = read_uleb128 (ptr_file_name_table, & bytes_read, end);
3093 ptr_file_name_table += bytes_read;
3094 i++;
3095 }
3096 i = 0;
a262ae96 3097
b40bf0a2
NC		 3098 /* Print the Compilation Unit's name and a header. */
3099 if (directory_table == NULL)
3100 {
3101 printf (_("CU: %s:\n"), file_table[0].name);
3102 printf (_("File name Line number Starting address\n"));
3103 }
3104 else
3105 {
3106 unsigned int ix = file_table[0].directory_index;
3107 const char *directory = ix ? (char *)directory_table[ix - 1] : ".";
a262ae96 3108
b40bf0a2
NC		 3109 if (do_wide || strlen (directory) < 76)
3110 printf (_("CU: %s/%s:\n"), directory, file_table[0].name);
3111 else
3112 printf ("%s:\n", file_table[0].name);
0c588247 3113
b40bf0a2
NC		 3114 printf (_("File name Line number Starting address\n"));
3115 }
3116 }
cc5914eb 3117
b40bf0a2
NC		 3118 /* Skip the NUL at the end of the table. */
3119 data++;
a262ae96 3120
b40bf0a2
NC		 3121 saved_linfo = linfo;
3122 }
a262ae96
NC		 3123
3124 /* This loop iterates through the Dwarf Line Number Program. */
3125 while (data < end_of_sequence)
3126 {
3127 unsigned char op_code;
3128 int adv;
3129 unsigned long int uladv;
3130 unsigned int bytes_read;
3131 int is_special_opcode = 0;
3132
3133 op_code = *data++;
a262ae96 3134
91d6fa6a 3135 if (op_code >= linfo.li_opcode_base)
a262ae96 3136 {
91d6fa6a 3137 op_code -= linfo.li_opcode_base;
a233b20c
JJ		 3138 uladv = (op_code / linfo.li_line_range);
3139 if (linfo.li_max_ops_per_insn == 1)
3140 {
3141 uladv *= linfo.li_min_insn_length;
3142 state_machine_regs.address += uladv;
3143 }
3144 else
3145 {
3146 state_machine_regs.address
3147 += ((state_machine_regs.op_index + uladv)
3148 / linfo.li_max_ops_per_insn)
b40bf0a2 3149 * linfo.li_min_insn_length;
a233b20c
JJ		 3150 state_machine_regs.op_index
3151 = (state_machine_regs.op_index + uladv)
b40bf0a2 3152 % linfo.li_max_ops_per_insn;
a233b20c 3153 }
a262ae96 3154
91d6fa6a 3155 adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
a262ae96
NC		 3156 state_machine_regs.line += adv;
3157 is_special_opcode = 1;
3158 }
3159 else switch (op_code)
b40bf0a2
NC		 3160 {
3161 case DW_LNS_extended_op:
3162 {
3163 unsigned int ext_op_code_len;
3164 unsigned char ext_op_code;
3165 unsigned char *op_code_data = data;
3166
3167 ext_op_code_len = read_uleb128 (op_code_data, &bytes_read,
3168 end_of_sequence);
3169 op_code_data += bytes_read;
3170
3171 if (ext_op_code_len == 0)
3172 {
3173 warn (_("badly formed extended line op encountered!\n"));
3174 break;
3175 }
3176 ext_op_code_len += bytes_read;
3177 ext_op_code = *op_code_data++;
3178
3179 switch (ext_op_code)
3180 {
3181 case DW_LNE_end_sequence:
3182 reset_state_machine (linfo.li_default_is_stmt);
3183 break;
3184 case DW_LNE_set_address:
3185 SAFE_BYTE_GET_AND_INC (state_machine_regs.address,
87bc83b3
CC		 3186 op_code_data,
3187 ext_op_code_len - bytes_read - 1,
b40bf0a2
NC		 3188 end);
3189 state_machine_regs.op_index = 0;
3190 break;
3191 case DW_LNE_define_file:
3192 {
3193 file_table = (File_Entry *) xrealloc
3194 (file_table, (n_files + 1) * sizeof (File_Entry));
3195
3196 ++state_machine_regs.last_file_entry;
3197 /* Source file name. */
3198 file_table[n_files].name = op_code_data;
3199 op_code_data += strlen ((char *) op_code_data) + 1;
3200 /* Directory index. */
3201 file_table[n_files].directory_index =
3202 read_uleb128 (op_code_data, & bytes_read,
3203 end_of_sequence);
3204 op_code_data += bytes_read;
3205 /* Last modification time. */
3206 file_table[n_files].modification_date =
3207 read_uleb128 (op_code_data, & bytes_read,
3208 end_of_sequence);
3209 op_code_data += bytes_read;
3210 /* File length. */
3211 file_table[n_files].length =
3212 read_uleb128 (op_code_data, & bytes_read,
3213 end_of_sequence);
3214
3215 n_files++;
3216 break;
3217 }
3218 case DW_LNE_set_discriminator:
3219 case DW_LNE_HP_set_sequence:
3220 /* Simply ignored. */
3221 break;
3222
3223 default:
3224 printf (_("UNKNOWN (%u): length %d\n"),
3225 ext_op_code, ext_op_code_len - bytes_read);
3226 break;
3227 }
3228 data += ext_op_code_len;
3229 break;
3230 }
3231 case DW_LNS_copy:
3232 break;
3233
3234 case DW_LNS_advance_pc:
3235 uladv = read_uleb128 (data, & bytes_read, end);
3236 data += bytes_read;
3237 if (linfo.li_max_ops_per_insn == 1)
3238 {
3239 uladv *= linfo.li_min_insn_length;
3240 state_machine_regs.address += uladv;
3241 }
3242 else
3243 {
3244 state_machine_regs.address
3245 += ((state_machine_regs.op_index + uladv)
3246 / linfo.li_max_ops_per_insn)
3247 * linfo.li_min_insn_length;
3248 state_machine_regs.op_index
3249 = (state_machine_regs.op_index + uladv)
3250 % linfo.li_max_ops_per_insn;
3251 }
3252 break;
3253
3254 case DW_LNS_advance_line:
3255 adv = read_sleb128 (data, & bytes_read, end);
3256 data += bytes_read;
3257 state_machine_regs.line += adv;
3258 break;
3259
3260 case DW_LNS_set_file:
3261 adv = read_uleb128 (data, & bytes_read, end);
3262 data += bytes_read;
3263 state_machine_regs.file = adv;
3264
3265 if (file_table == NULL)
3266 printf (_("\n [Use file table entry %d]\n"), state_machine_regs.file - 1);
3267 else if (file_table[state_machine_regs.file - 1].directory_index == 0)
3268 /* If directory index is 0, that means current directory. */
3269 printf ("\n./%s:[++]\n",
3270 file_table[state_machine_regs.file - 1].name);
3271 else if (directory_table == NULL)
3272 printf (_("\n [Use directory table entry %d]\n"),
3273 file_table[state_machine_regs.file - 1].directory_index - 1);
3274 else
3275 /* The directory index starts counting at 1. */
3276 printf ("\n%s/%s:\n",
3277 directory_table[file_table[state_machine_regs.file - 1].directory_index - 1],
3278 file_table[state_machine_regs.file - 1].name);
3279 break;
3280
3281 case DW_LNS_set_column:
3282 uladv = read_uleb128 (data, & bytes_read, end);
3283 data += bytes_read;
3284 state_machine_regs.column = uladv;
3285 break;
3286
3287 case DW_LNS_negate_stmt:
3288 adv = state_machine_regs.is_stmt;
3289 adv = ! adv;
3290 state_machine_regs.is_stmt = adv;
3291 break;
3292
3293 case DW_LNS_set_basic_block:
3294 state_machine_regs.basic_block = 1;
3295 break;
3296
3297 case DW_LNS_const_add_pc:
3298 uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
3299 if (linfo.li_max_ops_per_insn == 1)
3300 {
3301 uladv *= linfo.li_min_insn_length;
3302 state_machine_regs.address += uladv;
3303 }
3304 else
3305 {
3306 state_machine_regs.address
3307 += ((state_machine_regs.op_index + uladv)
3308 / linfo.li_max_ops_per_insn)
3309 * linfo.li_min_insn_length;
3310 state_machine_regs.op_index
3311 = (state_machine_regs.op_index + uladv)
3312 % linfo.li_max_ops_per_insn;
3313 }
3314 break;
3315
3316 case DW_LNS_fixed_advance_pc:
3317 SAFE_BYTE_GET_AND_INC (uladv, data, 2, end);
3318 state_machine_regs.address += uladv;
3319 state_machine_regs.op_index = 0;
3320 break;
3321
3322 case DW_LNS_set_prologue_end:
3323 break;
3324
3325 case DW_LNS_set_epilogue_begin:
3326 break;
3327
3328 case DW_LNS_set_isa:
3329 uladv = read_uleb128 (data, & bytes_read, end);
3330 data += bytes_read;
3331 printf (_(" Set ISA to %lu\n"), uladv);
3332 break;
3333
3334 default:
3335 printf (_(" Unknown opcode %d with operands: "), op_code);
3336
3337 if (standard_opcodes != NULL)
3338 for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
3339 {
3340 printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data,
3341 &bytes_read, end)),
3342 i == 1 ? "" : ", ");
3343 data += bytes_read;
3344 }
3345 putchar ('\n');
3346 break;
3347 }
a262ae96
NC		 3348
3349 /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row
3350 to the DWARF address/line matrix. */
3351 if ((is_special_opcode) || (op_code == DW_LNE_end_sequence)
3352 || (op_code == DW_LNS_copy))
3353 {
3354 const unsigned int MAX_FILENAME_LENGTH = 35;
b40bf0a2 3355 char *fileName;
a262ae96 3356 char *newFileName = NULL;
b40bf0a2
NC		 3357 size_t fileNameLength;
3358
3359 if (file_table)
3360 fileName = (char *) file_table[state_machine_regs.file - 1].name;
3361 else
3362 fileName = "<unknown>";
3363
3364 fileNameLength = strlen (fileName);
a262ae96
NC		 3365
3366 if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide))
3367 {
3f5e193b 3368 newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1);
a262ae96
NC		 3369 /* Truncate file name */
3370 strncpy (newFileName,
3371 fileName + fileNameLength - MAX_FILENAME_LENGTH,
3372 MAX_FILENAME_LENGTH + 1);
3373 }
3374 else
3375 {
3f5e193b 3376 newFileName = (char *) xmalloc (fileNameLength + 1);
a262ae96
NC		 3377 strncpy (newFileName, fileName, fileNameLength + 1);
3378 }
3379
3380 if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH))
3381 {
a233b20c 3382 if (linfo.li_max_ops_per_insn == 1)
467c65bc
NC		 3383 printf ("%-35s %11d %#18" DWARF_VMA_FMT "x\n",
3384 newFileName, state_machine_regs.line,
a233b20c
JJ		 3385 state_machine_regs.address);
3386 else
467c65bc
NC		 3387 printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]\n",
3388 newFileName, state_machine_regs.line,
a233b20c
JJ		 3389 state_machine_regs.address,
3390 state_machine_regs.op_index);
a262ae96
NC		 3391 }
3392 else
3393 {
a233b20c 3394 if (linfo.li_max_ops_per_insn == 1)
467c65bc
NC		 3395 printf ("%s %11d %#18" DWARF_VMA_FMT "x\n",
3396 newFileName, state_machine_regs.line,
a233b20c
JJ		 3397 state_machine_regs.address);
3398 else
467c65bc
NC		 3399 printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]\n",
3400 newFileName, state_machine_regs.line,
a233b20c
JJ		 3401 state_machine_regs.address,
3402 state_machine_regs.op_index);
a262ae96
NC		 3403 }
3404
3405 if (op_code == DW_LNE_end_sequence)
3406 printf ("\n");
3407
3408 free (newFileName);
3409 }
3410 }
b40bf0a2
NC		 3411
3412 if (file_table)
3413 {
3414 free (file_table);
3415 file_table = NULL;
3416 n_files = 0;
3417 }
3418
3419 if (directory_table)
3420 {
3421 free (directory_table);
3422 directory_table = NULL;
3423 n_directories = 0;
3424 }
3425
a262ae96
NC		 3426 putchar ('\n');
3427 }
3428
3429 return 1;
3430}
3431
3432static int
1c4cc746 3433display_debug_lines (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED)
a262ae96
NC		 3434{
3435 unsigned char *data = section->start;
3436 unsigned char *end = data + section->size;
4cb93e3b
TG		 3437 int retValRaw = 1;
3438 int retValDecoded = 1;
a262ae96 3439
008f4c78
NC		 3440 if (do_debug_lines == 0)
3441 do_debug_lines |= FLAG_DEBUG_LINES_RAW;
3442
4cb93e3b 3443 if (do_debug_lines & FLAG_DEBUG_LINES_RAW)
a262ae96
NC		 3444 retValRaw = display_debug_lines_raw (section, data, end);
3445
4cb93e3b 3446 if (do_debug_lines & FLAG_DEBUG_LINES_DECODED)
a262ae96
NC		 3447 retValDecoded = display_debug_lines_decoded (section, data, end);
3448
4cb93e3b 3449 if (!retValRaw || !retValDecoded)
a262ae96
NC		 3450 return 0;
3451
3452 return 1;
3453}
3454
6e3d6dc1
NC		 3455static debug_info *
3456find_debug_info_for_offset (unsigned long offset)
3457{
3458 unsigned int i;
3459
3460 if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE)
3461 return NULL;
3462
3463 for (i = 0; i < num_debug_info_entries; i++)
3464 if (debug_information[i].cu_offset == offset)
3465 return debug_information + i;
3466
3467 return NULL;
3468}
3469
19e6b90e
L		 3470static int
3471display_debug_pubnames (struct dwarf_section *section,
3472 void *file ATTRIBUTE_UNUSED)
3473{
91d6fa6a 3474 DWARF2_Internal_PubNames names;
19e6b90e
L		 3475 unsigned char *start = section->start;
3476 unsigned char *end = start + section->size;
3477
6e3d6dc1
NC		 3478 /* It does not matter if this load fails,
3479 we test for that later on. */
3480 load_debug_info (file);
3481
19e6b90e
L		 3482 printf (_("Contents of the %s section:\n\n"), section->name);
3483
3484 while (start < end)
3485 {
3486 unsigned char *data;
3487 unsigned long offset;
3488 int offset_size, initial_length_size;
3489
3490 data = start;
3491
0c588247 3492 SAFE_BYTE_GET_AND_INC (names.pn_length, data, 4, end);
91d6fa6a 3493 if (names.pn_length == 0xffffffff)
19e6b90e 3494 {
0c588247 3495 SAFE_BYTE_GET_AND_INC (names.pn_length, data, 8, end);
19e6b90e
L		 3496 offset_size = 8;
3497 initial_length_size = 12;
3498 }
3499 else
3500 {
3501 offset_size = 4;
3502 initial_length_size = 4;
3503 }
3504
0c588247
NC		 3505 SAFE_BYTE_GET_AND_INC (names.pn_version, data, 2, end);
3506 SAFE_BYTE_GET_AND_INC (names.pn_offset, data, offset_size, end);
6e3d6dc1
NC		 3507
3508 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
3509 && num_debug_info_entries > 0
91d6fa6a 3510 && find_debug_info_for_offset (names.pn_offset) == NULL)
6e3d6dc1 3511 warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
47704ddf 3512 (unsigned long) names.pn_offset, section->name);
cecf136e 3513
0c588247 3514 SAFE_BYTE_GET_AND_INC (names.pn_size, data, offset_size, end);
19e6b90e 3515
91d6fa6a 3516 start += names.pn_length + initial_length_size;
19e6b90e 3517
91d6fa6a 3518 if (names.pn_version != 2 && names.pn_version != 3)
19e6b90e
L		 3519 {
3520 static int warned = 0;
3521
3522 if (! warned)
3523 {
3524 warn (_("Only DWARF 2 and 3 pubnames are currently supported\n"));
3525 warned = 1;
3526 }
3527
3528 continue;
3529 }
3530
3531 printf (_(" Length: %ld\n"),
47704ddf 3532 (long) names.pn_length);
19e6b90e 3533 printf (_(" Version: %d\n"),
91d6fa6a 3534 names.pn_version);
6e3d6dc1 3535 printf (_(" Offset into .debug_info section: 0x%lx\n"),
47704ddf 3536 (unsigned long) names.pn_offset);
19e6b90e 3537 printf (_(" Size of area in .debug_info section: %ld\n"),
47704ddf 3538 (long) names.pn_size);
19e6b90e
L		 3539
3540 printf (_("\n Offset\tName\n"));
3541
3542 do
3543 {
0c588247 3544 SAFE_BYTE_GET (offset, data, offset_size, end);
19e6b90e
L		 3545
3546 if (offset != 0)
3547 {
3548 data += offset_size;
80c35038 3549 printf (" %-6lx\t%s\n", offset, data);
0c588247 3550 data += strnlen ((char *) data, end - data) + 1;
19e6b90e
L		 3551 }
3552 }
3553 while (offset != 0);
3554 }
3555
3556 printf ("\n");
3557 return 1;
3558}
3559
3560static int
3561display_debug_macinfo (struct dwarf_section *section,
3562 void *file ATTRIBUTE_UNUSED)
3563{
3564 unsigned char *start = section->start;
3565 unsigned char *end = start + section->size;
3566 unsigned char *curr = start;
3567 unsigned int bytes_read;
3568 enum dwarf_macinfo_record_type op;
3569
3570 printf (_("Contents of the %s section:\n\n"), section->name);
3571
3572 while (curr < end)
3573 {
3574 unsigned int lineno;
0c588247 3575 const unsigned char *string;
19e6b90e 3576
3f5e193b 3577 op = (enum dwarf_macinfo_record_type) *curr;
19e6b90e
L		 3578 curr++;
3579
3580 switch (op)
3581 {
3582 case DW_MACINFO_start_file:
3583 {
3584 unsigned int filenum;
3585
f6f0e17b 3586 lineno = read_uleb128 (curr, & bytes_read, end);
19e6b90e 3587 curr += bytes_read;
f6f0e17b 3588 filenum = read_uleb128 (curr, & bytes_read, end);
19e6b90e
L		 3589 curr += bytes_read;
3590
3591 printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"),
3592 lineno, filenum);
3593 }
3594 break;
3595
3596 case DW_MACINFO_end_file:
3597 printf (_(" DW_MACINFO_end_file\n"));
3598 break;
3599
3600 case DW_MACINFO_define:
f6f0e17b 3601 lineno = read_uleb128 (curr, & bytes_read, end);
19e6b90e 3602 curr += bytes_read;
0c588247
NC		 3603 string = curr;
3604 curr += strnlen ((char *) string, end - string) + 1;
19e6b90e
L		 3605 printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"),
3606 lineno, string);
3607 break;
3608
3609 case DW_MACINFO_undef:
f6f0e17b 3610 lineno = read_uleb128 (curr, & bytes_read, end);
19e6b90e 3611 curr += bytes_read;
0c588247
NC		 3612 string = curr;
3613 curr += strnlen ((char *) string, end - string) + 1;
19e6b90e
L		 3614 printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"),
3615 lineno, string);
3616 break;
3617
3618 case DW_MACINFO_vendor_ext:
3619 {
3620 unsigned int constant;
3621
f6f0e17b 3622 constant = read_uleb128 (curr, & bytes_read, end);
19e6b90e 3623 curr += bytes_read;
0c588247
NC		 3624 string = curr;
3625 curr += strnlen ((char *) string, end - string) + 1;
19e6b90e
L		 3626 printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"),
3627 constant, string);
3628 }
3629 break;
3630 }
3631 }
3632
3633 return 1;
3634}
3635
4ccf1e31
JJ		 3636/* Given LINE_OFFSET into the .debug_line section, attempt to return
3637 filename and dirname corresponding to file name table entry with index
3638 FILEIDX. Return NULL on failure. */
3639
3640static unsigned char *
f6f0e17b
NC		 3641get_line_filename_and_dirname (dwarf_vma line_offset,
3642 dwarf_vma fileidx,
4ccf1e31
JJ		 3643 unsigned char **dir_name)
3644{
3645 struct dwarf_section *section = &debug_displays [line].section;
3646 unsigned char *hdrptr, *dirtable, *file_name;
3647 unsigned int offset_size, initial_length_size;
3648 unsigned int version, opcode_base, bytes_read;
3649 dwarf_vma length, diridx;
f6f0e17b 3650 const unsigned char * end;
4ccf1e31
JJ		 3651
3652 *dir_name = NULL;
3653 if (section->start == NULL
3654 || line_offset >= section->size
3655 || fileidx == 0)
3656 return NULL;
3657
3658 hdrptr = section->start + line_offset;
f6f0e17b 3659 end = section->start + section->size;
0c588247
NC		 3660
3661 SAFE_BYTE_GET_AND_INC (length, hdrptr, 4, end);
4ccf1e31
JJ		 3662 if (length == 0xffffffff)
3663 {
3664 /* This section is 64-bit DWARF 3. */
0c588247 3665 SAFE_BYTE_GET_AND_INC (length, hdrptr, 8, end);
4ccf1e31
JJ		 3666 offset_size = 8;
3667 initial_length_size = 12;
3668 }
3669 else
3670 {
3671 offset_size = 4;
3672 initial_length_size = 4;
3673 }
3674 if (length + initial_length_size > section->size)
3675 return NULL;
0c588247
NC		 3676
3677 SAFE_BYTE_GET_AND_INC (version, hdrptr, 2, end);
4ccf1e31
JJ		 3678 if (version != 2 && version != 3 && version != 4)
3679 return NULL;
3680 hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */
3681 if (version >= 4)
3682 hdrptr++; /* Skip max_ops_per_insn. */
3683 hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */
0c588247
NC		 3684
3685 SAFE_BYTE_GET_AND_INC (opcode_base, hdrptr, 1, end);
4ccf1e31
JJ		 3686 if (opcode_base == 0)
3687 return NULL;
0c588247 3688
4ccf1e31
JJ		 3689 hdrptr += opcode_base - 1;
3690 dirtable = hdrptr;
3691 /* Skip over dirname table. */
3692 while (*hdrptr != '\0')
0c588247 3693 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
4ccf1e31
JJ		 3694 hdrptr++; /* Skip the NUL at the end of the table. */
3695 /* Now skip over preceding filename table entries. */
3696 for (; *hdrptr != '\0' && fileidx > 1; fileidx--)
3697 {
0c588247 3698 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
f6f0e17b 3699 read_uleb128 (hdrptr, &bytes_read, end);
4ccf1e31 3700 hdrptr += bytes_read;
f6f0e17b 3701 read_uleb128 (hdrptr, &bytes_read, end);
4ccf1e31 3702 hdrptr += bytes_read;
f6f0e17b 3703 read_uleb128 (hdrptr, &bytes_read, end);
4ccf1e31
JJ		 3704 hdrptr += bytes_read;
3705 }
f6f0e17b 3706 if (hdrptr == end || *hdrptr == '\0')
4ccf1e31
JJ		 3707 return NULL;
3708 file_name = hdrptr;
0c588247 3709 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
f6f0e17b 3710 diridx = read_uleb128 (hdrptr, &bytes_read, end);
4ccf1e31
JJ		 3711 if (diridx == 0)
3712 return file_name;
3713 for (; *dirtable != '\0' && diridx > 1; diridx--)
0c588247 3714 dirtable += strnlen ((char *) dirtable, end - dirtable) + 1;
4ccf1e31
JJ		 3715 if (*dirtable == '\0')
3716 return NULL;
3717 *dir_name = dirtable;
3718 return file_name;
3719}
3720
3721static int
3722display_debug_macro (struct dwarf_section *section,
3723 void *file)
3724{
3725 unsigned char *start = section->start;
3726 unsigned char *end = start + section->size;
3727 unsigned char *curr = start;
3728 unsigned char *extended_op_buf[256];
3729 unsigned int bytes_read;
3730
3731 load_debug_section (str, file);
3732 load_debug_section (line, file);
3733
3734 printf (_("Contents of the %s section:\n\n"), section->name);
3735
3736 while (curr < end)
3737 {
3738 unsigned int lineno, version, flags;
3739 unsigned int offset_size = 4;
0c588247 3740 const unsigned char *string;
4ccf1e31
JJ		 3741 dwarf_vma line_offset = 0, sec_offset = curr - start, offset;
3742 unsigned char **extended_ops = NULL;
3743
0c588247 3744 SAFE_BYTE_GET_AND_INC (version, curr, 2, end);
4ccf1e31
JJ		 3745 if (version != 4)
3746 {
3747 error (_("Only GNU extension to DWARF 4 of %s is currently supported.\n"),
3748 section->name);
3749 return 0;
3750 }
3751
0c588247 3752 SAFE_BYTE_GET_AND_INC (flags, curr, 1, end);
4ccf1e31
JJ		 3753 if (flags & 1)
3754 offset_size = 8;
3755 printf (_(" Offset: 0x%lx\n"),
3756 (unsigned long) sec_offset);
3757 printf (_(" Version: %d\n"), version);
3758 printf (_(" Offset size: %d\n"), offset_size);
3759 if (flags & 2)
3760 {
0c588247 3761 SAFE_BYTE_GET_AND_INC (line_offset, curr, offset_size, end);
4ccf1e31
JJ		 3762 printf (_(" Offset into .debug_line: 0x%lx\n"),
3763 (unsigned long) line_offset);
3764 }
3765 if (flags & 4)
3766 {
0c588247 3767 unsigned int i, count, op;
4ccf1e31 3768 dwarf_vma nargs, n;
0c588247
NC		 3769
3770 SAFE_BYTE_GET_AND_INC (count, curr, 1, end);
3771
4ccf1e31
JJ		 3772 memset (extended_op_buf, 0, sizeof (extended_op_buf));
3773 extended_ops = extended_op_buf;
3774 if (count)
3775 {
3776 printf (_(" Extension opcode arguments:\n"));
3777 for (i = 0; i < count; i++)
3778 {
0c588247 3779 SAFE_BYTE_GET_AND_INC (op, curr, 1, end);
4ccf1e31 3780 extended_ops[op] = curr;
f6f0e17b 3781 nargs = read_uleb128 (curr, &bytes_read, end);
4ccf1e31
JJ		 3782 curr += bytes_read;
3783 if (nargs == 0)
3784 printf (_(" DW_MACRO_GNU_%02x has no arguments\n"), op);
3785 else
3786 {
3787 printf (_(" DW_MACRO_GNU_%02x arguments: "), op);
3788 for (n = 0; n < nargs; n++)
3789 {
0c588247
NC		 3790 unsigned int form;
3791
3792 SAFE_BYTE_GET_AND_INC (form, curr, 1, end);
4ccf1e31
JJ		 3793 printf ("%s%s", get_FORM_name (form),
3794 n == nargs - 1 ? "\n" : ", ");
3795 switch (form)
3796 {
3797 case DW_FORM_data1:
3798 case DW_FORM_data2:
3799 case DW_FORM_data4:
3800 case DW_FORM_data8:
3801 case DW_FORM_sdata:
3802 case DW_FORM_udata:
3803 case DW_FORM_block:
3804 case DW_FORM_block1:
3805 case DW_FORM_block2:
3806 case DW_FORM_block4:
3807 case DW_FORM_flag:
3808 case DW_FORM_string:
3809 case DW_FORM_strp:
3810 case DW_FORM_sec_offset:
3811 break;
3812 default:
3813 error (_("Invalid extension opcode form %s\n"),
3814 get_FORM_name (form));
3815 return 0;
3816 }
3817 }
3818 }
3819 }
3820 }
3821 }
3822 printf ("\n");
3823
3824 while (1)
3825 {
3826 unsigned int op;
3827
3828 if (curr >= end)
3829 {
3830 error (_(".debug_macro section not zero terminated\n"));
3831 return 0;
3832 }
3833
0c588247 3834 SAFE_BYTE_GET_AND_INC (op, curr, 1, end);
4ccf1e31
JJ		 3835 if (op == 0)
3836 break;
3837
3838 switch (op)
3839 {
3840 case DW_MACRO_GNU_start_file:
3841 {
3842 unsigned int filenum;
3843 unsigned char *file_name = NULL, *dir_name = NULL;
3844
f6f0e17b 3845 lineno = read_uleb128 (curr, &bytes_read, end);
4ccf1e31 3846 curr += bytes_read;
f6f0e17b 3847 filenum = read_uleb128 (curr, &bytes_read, end);
4ccf1e31
JJ		 3848 curr += bytes_read;
3849
3850 if ((flags & 2) == 0)
3851 error (_("DW_MACRO_GNU_start_file used, but no .debug_line offset provided.\n"));
3852 else
3853 file_name
3854 = get_line_filename_and_dirname (line_offset, filenum,
3855 &dir_name);
3856 if (file_name == NULL)
3857 printf (_(" DW_MACRO_GNU_start_file - lineno: %d filenum: %d\n"),
3858 lineno, filenum);
3859 else
3860 printf (_(" DW_MACRO_GNU_start_file - lineno: %d filenum: %d filename: %s%s%s\n"),
3861 lineno, filenum,
3862 dir_name != NULL ? (const char *) dir_name : "",
3863 dir_name != NULL ? "/" : "", file_name);
3864 }
3865 break;
3866
3867 case DW_MACRO_GNU_end_file:
3868 printf (_(" DW_MACRO_GNU_end_file\n"));
3869 break;
3870
3871 case DW_MACRO_GNU_define:
f6f0e17b 3872 lineno = read_uleb128 (curr, &bytes_read, end);
4ccf1e31 3873 curr += bytes_read;
0c588247
NC		 3874 string = curr;
3875 curr += strnlen ((char *) string, end - string) + 1;
4ccf1e31
JJ		 3876 printf (_(" DW_MACRO_GNU_define - lineno : %d macro : %s\n"),
3877 lineno, string);
3878 break;
3879
3880 case DW_MACRO_GNU_undef:
f6f0e17b 3881 lineno = read_uleb128 (curr, &bytes_read, end);
4ccf1e31 3882 curr += bytes_read;
0c588247
NC		 3883 string = curr;
3884 curr += strnlen ((char *) string, end - string) + 1;
4ccf1e31
JJ		 3885 printf (_(" DW_MACRO_GNU_undef - lineno : %d macro : %s\n"),
3886 lineno, string);
3887 break;
3888
3889 case DW_MACRO_GNU_define_indirect:
f6f0e17b 3890 lineno = read_uleb128 (curr, &bytes_read, end);
4ccf1e31 3891 curr += bytes_read;
0c588247 3892 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
4ccf1e31
JJ		 3893 string = fetch_indirect_string (offset);
3894 printf (_(" DW_MACRO_GNU_define_indirect - lineno : %d macro : %s\n"),
3895 lineno, string);
3896 break;
3897
3898 case DW_MACRO_GNU_undef_indirect:
f6f0e17b 3899 lineno = read_uleb128 (curr, &bytes_read, end);
4ccf1e31 3900 curr += bytes_read;
0c588247 3901 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
4ccf1e31
JJ		 3902 string = fetch_indirect_string (offset);
3903 printf (_(" DW_MACRO_GNU_undef_indirect - lineno : %d macro : %s\n"),
3904 lineno, string);
3905 break;
3906
3907 case DW_MACRO_GNU_transparent_include:
0c588247 3908 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
4ccf1e31
JJ		 3909 printf (_(" DW_MACRO_GNU_transparent_include - offset : 0x%lx\n"),
3910 (unsigned long) offset);
3911 break;
3912
a081f3cd 3913 case DW_MACRO_GNU_define_indirect_alt:
f6f0e17b 3914 lineno = read_uleb128 (curr, &bytes_read, end);
a081f3cd 3915 curr += bytes_read;
0c588247 3916 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
a081f3cd
JJ		 3917 printf (_(" DW_MACRO_GNU_define_indirect_alt - lineno : %d macro offset : 0x%lx\n"),
3918 lineno, (unsigned long) offset);
3919 break;
3920
3921 case DW_MACRO_GNU_undef_indirect_alt:
f6f0e17b 3922 lineno = read_uleb128 (curr, &bytes_read, end);
a081f3cd 3923 curr += bytes_read;
0c588247 3924 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
a081f3cd
JJ		 3925 printf (_(" DW_MACRO_GNU_undef_indirect_alt - lineno : %d macro offset : 0x%lx\n"),
3926 lineno, (unsigned long) offset);
3927 break;
3928
3929 case DW_MACRO_GNU_transparent_include_alt:
0c588247 3930 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
a081f3cd
JJ		 3931 printf (_(" DW_MACRO_GNU_transparent_include_alt - offset : 0x%lx\n"),
3932 (unsigned long) offset);
3933 break;
3934
4ccf1e31
JJ		 3935 default:
3936 if (extended_ops == NULL || extended_ops[op] == NULL)
3937 {
3938 error (_(" Unknown macro opcode %02x seen\n"), op);
3939 return 0;
3940 }
3941 else
3942 {
3943 /* Skip over unhandled opcodes. */
3944 dwarf_vma nargs, n;
3945 unsigned char *desc = extended_ops[op];
f6f0e17b 3946 nargs = read_uleb128 (desc, &bytes_read, end);
4ccf1e31
JJ		 3947 desc += bytes_read;
3948 if (nargs == 0)
3949 {
3950 printf (_(" DW_MACRO_GNU_%02x\n"), op);
3951 break;
3952 }
3953 printf (_(" DW_MACRO_GNU_%02x -"), op);
3954 for (n = 0; n < nargs; n++)
3955 {
0c588247
NC		 3956 int val;
3957
3958 SAFE_BYTE_GET_AND_INC (val, desc, 1, end);
4ccf1e31 3959 curr
0c588247 3960 = read_and_display_attr_value (0, val,
f6f0e17b 3961 curr, end, 0, 0, offset_size,
341f9135
CC		 3962 version, NULL, 0, NULL,
3963 NULL);
4ccf1e31
JJ		 3964 if (n != nargs - 1)
3965 printf (",");
3966 }
3967 printf ("\n");
3968 }
3969 break;
3970 }
3971 }
3972
3973 printf ("\n");
3974 }
3975
3976 return 1;
3977}
3978
19e6b90e
L		 3979static int
3980display_debug_abbrev (struct dwarf_section *section,
3981 void *file ATTRIBUTE_UNUSED)
3982{
3983 abbrev_entry *entry;
3984 unsigned char *start = section->start;
3985 unsigned char *end = start + section->size;
3986
3987 printf (_("Contents of the %s section:\n\n"), section->name);
3988
3989 do
3990 {
7282333f
AM		 3991 unsigned char *last;
3992
19e6b90e
L		 3993 free_abbrevs ();
3994
7282333f 3995 last = start;
19e6b90e
L		 3996 start = process_abbrev_section (start, end);
3997
3998 if (first_abbrev == NULL)
3999 continue;
4000
7282333f 4001 printf (_(" Number TAG (0x%lx)\n"), (long) (last - section->start));
19e6b90e
L		 4002
4003 for (entry = first_abbrev; entry; entry = entry->next)
4004 {
4005 abbrev_attr *attr;
4006
cc5914eb 4007 printf (" %ld %s [%s]\n",
19e6b90e
L		 4008 entry->entry,
4009 get_TAG_name (entry->tag),
4010 entry->children ? _("has children") : _("no children"));
4011
4012 for (attr = entry->first_attr; attr; attr = attr->next)
cc5914eb 4013 printf (" %-18s %s\n",
19e6b90e
L		 4014 get_AT_name (attr->attribute),
4015 get_FORM_name (attr->form));
4016 }
4017 }
4018 while (start);
4019
4020 printf ("\n");
4021
4022 return 1;
4023}
4024
4723351a
CC		 4025/* Display a location list from a normal (ie, non-dwo) .debug_loc section. */
4026
4027static void
4028display_loc_list (struct dwarf_section *section,
4029 unsigned char **start_ptr,
4030 int debug_info_entry,
4031 unsigned long offset,
4032 unsigned long base_address,
4033 int has_frame_base)
4034{
4035 unsigned char *start = *start_ptr;
4036 unsigned char *section_end = section->start + section->size;
4037 unsigned long cu_offset = debug_information [debug_info_entry].cu_offset;
4038 unsigned int pointer_size = debug_information [debug_info_entry].pointer_size;
4039 unsigned int offset_size = debug_information [debug_info_entry].offset_size;
4040 int dwarf_version = debug_information [debug_info_entry].dwarf_version;
4041
4042 dwarf_vma begin;
4043 dwarf_vma end;
4044 unsigned short length;
4045 int need_frame_base;
4046
4047 while (1)
4048 {
4049 if (start + 2 * pointer_size > section_end)
4050 {
4051 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
4052 offset);
4053 break;
4054 }
4055
fab128ef
CC		 4056 printf (" %8.8lx ", offset + (start - *start_ptr));
4057
4723351a
CC		 4058 /* Note: we use sign extension here in order to be sure that we can detect
4059 the -1 escape value. Sign extension into the top 32 bits of a 32-bit
4060 address will not affect the values that we display since we always show
4061 hex values, and always the bottom 32-bits. */
0c588247
NC		 4062 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end);
4063 SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end);
4723351a 4064
4723351a
CC		 4065 if (begin == 0 && end == 0)
4066 {
4067 printf (_("<End of list>\n"));
4068 break;
4069 }
4070
4071 /* Check base address specifiers. */
4072 if (begin == (dwarf_vma) -1 && end != (dwarf_vma) -1)
4073 {
4074 base_address = end;
4075 print_dwarf_vma (begin, pointer_size);
4076 print_dwarf_vma (end, pointer_size);
4077 printf (_("(base address)\n"));
4078 continue;
4079 }
4080
4081 if (start + 2 > section_end)
4082 {
4083 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
4084 offset);
4085 break;
4086 }
4087
0c588247 4088 SAFE_BYTE_GET_AND_INC (length, start, 2, section_end);
4723351a
CC		 4089
4090 if (start + length > section_end)
4091 {
4092 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
4093 offset);
4094 break;
4095 }
4096
4097 print_dwarf_vma (begin + base_address, pointer_size);
4098 print_dwarf_vma (end + base_address, pointer_size);
4099
4100 putchar ('(');
4101 need_frame_base = decode_location_expression (start,
4102 pointer_size,
4103 offset_size,
4104 dwarf_version,
4105 length,
4106 cu_offset, section);
4107 putchar (')');
4108
4109 if (need_frame_base && !has_frame_base)
4110 printf (_(" [without DW_AT_frame_base]"));
4111
4112 if (begin == end)
4113 fputs (_(" (start == end)"), stdout);
4114 else if (begin > end)
4115 fputs (_(" (start > end)"), stdout);
4116
4117 putchar ('\n');
4118
4119 start += length;
4120 }
4121
4122 *start_ptr = start;
4123}
4124
fab128ef
CC		 4125/* Print a .debug_addr table index in decimal, surrounded by square brackets,
4126 right-adjusted in a field of length LEN, and followed by a space. */
4127
4128static void
4129print_addr_index (unsigned int idx, unsigned int len)
4130{
4131 static char buf[15];
4132 snprintf (buf, sizeof (buf), "[%d]", idx);
341f9135 4133 printf ("%*s ", len, buf);
fab128ef
CC		 4134}
4135
4723351a
CC		 4136/* Display a location list from a .dwo section. It uses address indexes rather
4137 than embedded addresses. This code closely follows display_loc_list, but the
4138 two are sufficiently different that combining things is very ugly. */
4139
4140static void
4141display_loc_list_dwo (struct dwarf_section *section,
4142 unsigned char **start_ptr,
4143 int debug_info_entry,
4144 unsigned long offset,
4145 int has_frame_base)
4146{
4147 unsigned char *start = *start_ptr;
4148 unsigned char *section_end = section->start + section->size;
4149 unsigned long cu_offset = debug_information [debug_info_entry].cu_offset;
4150 unsigned int pointer_size = debug_information [debug_info_entry].pointer_size;
4151 unsigned int offset_size = debug_information [debug_info_entry].offset_size;
4152 int dwarf_version = debug_information [debug_info_entry].dwarf_version;
4153 int entry_type;
4154 unsigned short length;
4155 int need_frame_base;
fab128ef 4156 unsigned int idx;
4723351a
CC		 4157 unsigned int bytes_read;
4158
4159 while (1)
4160 {
fab128ef 4161 printf (" %8.8lx ", offset + (start - *start_ptr));
4723351a 4162
fab128ef 4163 if (start >= section_end)
4723351a
CC		 4164 {
4165 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
4166 offset);
4167 break;
4168 }
4169
0c588247 4170 SAFE_BYTE_GET_AND_INC (entry_type, start, 1, section_end);
4723351a
CC		 4171 switch (entry_type)
4172 {
4173 case 0: /* A terminating entry. */
4723351a 4174 *start_ptr = start;
fab128ef 4175 printf (_("<End of list>\n"));
4723351a
CC		 4176 return;
4177 case 1: /* A base-address entry. */
f6f0e17b 4178 idx = read_uleb128 (start, &bytes_read, section_end);
4723351a 4179 start += bytes_read;
fab128ef
CC		 4180 print_addr_index (idx, 8);
4181 printf (" ");
4182 printf (_("(base address selection entry)\n"));
4723351a 4183 continue;
fab128ef 4184 case 2: /* A start/end entry. */
f6f0e17b 4185 idx = read_uleb128 (start, &bytes_read, section_end);
fab128ef
CC		 4186 start += bytes_read;
4187 print_addr_index (idx, 8);
f6f0e17b 4188 idx = read_uleb128 (start, &bytes_read, section_end);
4723351a 4189 start += bytes_read;
fab128ef
CC		 4190 print_addr_index (idx, 8);
4191 break;
4192 case 3: /* A start/length entry. */
f6f0e17b 4193 idx = read_uleb128 (start, &bytes_read, section_end);
4723351a 4194 start += bytes_read;
fab128ef 4195 print_addr_index (idx, 8);
0c588247 4196 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
fab128ef
CC		 4197 printf ("%08x ", idx);
4198 break;
4199 case 4: /* An offset pair entry. */
0c588247 4200 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
fab128ef 4201 printf ("%08x ", idx);
0c588247 4202 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
fab128ef 4203 printf ("%08x ", idx);
4723351a
CC		 4204 break;
4205 default:
fab128ef 4206 warn (_("Unknown location list entry type 0x%x.\n"), entry_type);
4723351a
CC		 4207 *start_ptr = start;
4208 return;
4209 }
4210
4211 if (start + 2 > section_end)
4212 {
4213 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
4214 offset);
4215 break;
4216 }
4217
0c588247 4218 SAFE_BYTE_GET_AND_INC (length, start, 2, section_end);
4723351a
CC		 4219 if (start + length > section_end)
4220 {
4221 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
4222 offset);
4223 break;
4224 }
4225
4226 putchar ('(');
4227 need_frame_base = decode_location_expression (start,
4228 pointer_size,
4229 offset_size,
4230 dwarf_version,
4231 length,
4232 cu_offset, section);
4233 putchar (')');
4234
4235 if (need_frame_base && !has_frame_base)
4236 printf (_(" [without DW_AT_frame_base]"));
4237
4238 putchar ('\n');
4239
4240 start += length;
4241 }
4242
4243 *start_ptr = start;
4244}
4245
51d0d03f
JJ		 4246/* Sort array of indexes in ascending order of loc_offsets[idx]. */
4247
4248static dwarf_vma *loc_offsets;
4249
4250static int
4251loc_offsets_compar (const void *ap, const void *bp)
4252{
4253 dwarf_vma a = loc_offsets[*(const unsigned int *) ap];
4254 dwarf_vma b = loc_offsets[*(const unsigned int *) bp];
4255
4256 return (a > b) - (b > a);
4257}
4258
19e6b90e
L		 4259static int
4260display_debug_loc (struct dwarf_section *section, void *file)
4261{
4262 unsigned char *start = section->start;
19e6b90e
L		 4263 unsigned long bytes;
4264 unsigned char *section_begin = start;
4265 unsigned int num_loc_list = 0;
4266 unsigned long last_offset = 0;
4267 unsigned int first = 0;
4268 unsigned int i;
4269 unsigned int j;
51d0d03f 4270 unsigned int k;
19e6b90e 4271 int seen_first_offset = 0;
51d0d03f 4272 int locs_sorted = 1;
19e6b90e 4273 unsigned char *next;
51d0d03f 4274 unsigned int *array = NULL;
4723351a
CC		 4275 const char *suffix = strrchr (section->name, '.');
4276 int is_dwo = 0;
4277
4278 if (suffix && strcmp (suffix, ".dwo") == 0)
4279 is_dwo = 1;
19e6b90e
L		 4280
4281 bytes = section->size;
19e6b90e
L		 4282
4283 if (bytes == 0)
4284 {
4285 printf (_("\nThe %s section is empty.\n"), section->name);
4286 return 0;
4287 }
4288
1febe64d
NC		 4289 if (load_debug_info (file) == 0)
4290 {
4291 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
4292 section->name);
4293 return 0;
4294 }
19e6b90e
L		 4295
4296 /* Check the order of location list in .debug_info section. If
4297 offsets of location lists are in the ascending order, we can
4298 use `debug_information' directly. */
4299 for (i = 0; i < num_debug_info_entries; i++)
4300 {
4301 unsigned int num;
4302
4303 num = debug_information [i].num_loc_offsets;
51d0d03f
JJ		 4304 if (num > num_loc_list)
4305 num_loc_list = num;
19e6b90e
L		 4306
4307 /* Check if we can use `debug_information' directly. */
51d0d03f 4308 if (locs_sorted && num != 0)
19e6b90e
L		 4309 {
4310 if (!seen_first_offset)
4311 {
4312 /* This is the first location list. */
4313 last_offset = debug_information [i].loc_offsets [0];
4314 first = i;
4315 seen_first_offset = 1;
4316 j = 1;
4317 }
4318 else
4319 j = 0;
4320
4321 for (; j < num; j++)
4322 {
4323 if (last_offset >
4324 debug_information [i].loc_offsets [j])
4325 {
51d0d03f 4326 locs_sorted = 0;
19e6b90e
L		 4327 break;
4328 }
4329 last_offset = debug_information [i].loc_offsets [j];
4330 }
4331 }
4332 }
4333
19e6b90e
L		 4334 if (!seen_first_offset)
4335 error (_("No location lists in .debug_info section!\n"));
4336
bfe2612a 4337 /* DWARF sections under Mach-O have non-zero addresses. */
d4bfc77b
AS		 4338 if (debug_information [first].num_loc_offsets > 0
4339 && debug_information [first].loc_offsets [0] != section->address)
47704ddf
KT		 4340 warn (_("Location lists in %s section start at 0x%s\n"),
4341 section->name,
4342 dwarf_vmatoa ("x", debug_information [first].loc_offsets [0]));
19e6b90e 4343
51d0d03f
JJ		 4344 if (!locs_sorted)
4345 array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int));
19e6b90e 4346 printf (_("Contents of the %s section:\n\n"), section->name);
fab128ef 4347 printf (_(" Offset Begin End Expression\n"));
19e6b90e
L		 4348
4349 seen_first_offset = 0;
4350 for (i = first; i < num_debug_info_entries; i++)
4351 {
19e6b90e 4352 unsigned long offset;
19e6b90e 4353 unsigned long base_address;
19e6b90e
L		 4354 int has_frame_base;
4355
51d0d03f
JJ		 4356 if (!locs_sorted)
4357 {
4358 for (k = 0; k < debug_information [i].num_loc_offsets; k++)
4359 array[k] = k;
4360 loc_offsets = debug_information [i].loc_offsets;
4361 qsort (array, debug_information [i].num_loc_offsets,
4362 sizeof (*array), loc_offsets_compar);
4363 }
19e6b90e 4364
51d0d03f 4365 for (k = 0; k < debug_information [i].num_loc_offsets; k++)
19e6b90e 4366 {
51d0d03f
JJ		 4367 j = locs_sorted ? k : array[k];
4368 if (k
4369 && debug_information [i].loc_offsets [locs_sorted
4370 ? k - 1 : array [k - 1]]
4371 == debug_information [i].loc_offsets [j])
4372 continue;
19e6b90e 4373 has_frame_base = debug_information [i].have_frame_base [j];
bfe2612a 4374 /* DWARF sections under Mach-O have non-zero addresses. */
cecf136e 4375 offset = debug_information [i].loc_offsets [j] - section->address;
19e6b90e
L		 4376 next = section_begin + offset;
4377 base_address = debug_information [i].base_address;
4378
4379 if (!seen_first_offset)
4380 seen_first_offset = 1;
4381 else
4382 {
4383 if (start < next)
4384 warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"),
0af1713e
AM		 4385 (unsigned long) (start - section_begin),
4386 (unsigned long) (next - section_begin));
19e6b90e
L		 4387 else if (start > next)
4388 warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"),
0af1713e
AM		 4389 (unsigned long) (start - section_begin),
4390 (unsigned long) (next - section_begin));
19e6b90e
L		 4391 }
4392 start = next;
4393
4394 if (offset >= bytes)
4395 {
4396 warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"),
4397 offset);
4398 continue;
4399 }
4400
4723351a
CC		 4401 if (is_dwo)
4402 display_loc_list_dwo (section, &start, i, offset, has_frame_base);
4403 else
4404 display_loc_list (section, &start, i, offset, base_address,
4405 has_frame_base);
19e6b90e
L		 4406 }
4407 }
031cd65f 4408
4723351a 4409 if (start < section->start + section->size)
031cd65f 4410 warn (_("There are %ld unused bytes at the end of section %s\n"),
4723351a 4411 (long) (section->start + section->size - start), section->name);
98fb390a 4412 putchar ('\n');
51d0d03f 4413 free (array);
19e6b90e
L		 4414 return 1;
4415}
4416
4417static int
4418display_debug_str (struct dwarf_section *section,
4419 void *file ATTRIBUTE_UNUSED)
4420{
4421 unsigned char *start = section->start;
4422 unsigned long bytes = section->size;
4423 dwarf_vma addr = section->address;
4424
4425 if (bytes == 0)
4426 {
4427 printf (_("\nThe %s section is empty.\n"), section->name);
4428 return 0;
4429 }
4430
4431 printf (_("Contents of the %s section:\n\n"), section->name);
4432
4433 while (bytes)
4434 {
4435 int j;
4436 int k;
4437 int lbytes;
4438
4439 lbytes = (bytes > 16 ? 16 : bytes);
4440
4441 printf (" 0x%8.8lx ", (unsigned long) addr);
4442
4443 for (j = 0; j < 16; j++)
4444 {
4445 if (j < lbytes)
4446 printf ("%2.2x", start[j]);
4447 else
4448 printf (" ");
4449
4450 if ((j & 3) == 3)
4451 printf (" ");
4452 }
4453
4454 for (j = 0; j < lbytes; j++)
4455 {
4456 k = start[j];
4457 if (k >= ' ' && k < 0x80)
4458 printf ("%c", k);
4459 else
4460 printf (".");
4461 }
4462
4463 putchar ('\n');
4464
4465 start += lbytes;
4466 addr += lbytes;
4467 bytes -= lbytes;
4468 }
4469
4470 putchar ('\n');
4471
4472 return 1;
4473}
4474
19e6b90e
L		 4475static int
4476display_debug_info (struct dwarf_section *section, void *file)
4477{
4723351a 4478 return process_debug_info (section, file, section->abbrev_sec, 0, 0);
19e6b90e
L		 4479}
4480
2b6f5997
CC		 4481static int
4482display_debug_types (struct dwarf_section *section, void *file)
4483{
4723351a 4484 return process_debug_info (section, file, section->abbrev_sec, 0, 1);
6f875884
TG		 4485}
4486
4487static int
4488display_trace_info (struct dwarf_section *section, void *file)
4489{
4723351a 4490 return process_debug_info (section, file, section->abbrev_sec, 0, 0);
2b6f5997 4491}
19e6b90e
L		 4492
4493static int
4494display_debug_aranges (struct dwarf_section *section,
4495 void *file ATTRIBUTE_UNUSED)
4496{
4497 unsigned char *start = section->start;
4498 unsigned char *end = start + section->size;
4499
80c35038 4500 printf (_("Contents of the %s section:\n\n"), section->name);
19e6b90e 4501
6e3d6dc1
NC		 4502 /* It does not matter if this load fails,
4503 we test for that later on. */
4504 load_debug_info (file);
4505
19e6b90e
L		 4506 while (start < end)
4507 {
4508 unsigned char *hdrptr;
4509 DWARF2_Internal_ARange arange;
91d6fa6a 4510 unsigned char *addr_ranges;
2d9472a2
NC		 4511 dwarf_vma length;
4512 dwarf_vma address;
53b8873b 4513 unsigned char address_size;
19e6b90e
L		 4514 int excess;
4515 int offset_size;
4516 int initial_length_size;
4517
4518 hdrptr = start;
4519
0c588247 4520 SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 4, end);
19e6b90e
L		 4521 if (arange.ar_length == 0xffffffff)
4522 {
0c588247 4523 SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 8, end);
19e6b90e
L		 4524 offset_size = 8;
4525 initial_length_size = 12;
4526 }
4527 else
4528 {
4529 offset_size = 4;
4530 initial_length_size = 4;
4531 }
4532
0c588247
NC		 4533 SAFE_BYTE_GET_AND_INC (arange.ar_version, hdrptr, 2, end);
4534 SAFE_BYTE_GET_AND_INC (arange.ar_info_offset, hdrptr, offset_size, end);
19e6b90e 4535
6e3d6dc1
NC		 4536 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
4537 && num_debug_info_entries > 0
4538 && find_debug_info_for_offset (arange.ar_info_offset) == NULL)
4539 warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
47704ddf 4540 (unsigned long) arange.ar_info_offset, section->name);
6e3d6dc1 4541
0c588247
NC		 4542 SAFE_BYTE_GET_AND_INC (arange.ar_pointer_size, hdrptr, 1, end);
4543 SAFE_BYTE_GET_AND_INC (arange.ar_segment_size, hdrptr, 1, end);
19e6b90e
L		 4544
4545 if (arange.ar_version != 2 && arange.ar_version != 3)
4546 {
4547 warn (_("Only DWARF 2 and 3 aranges are currently supported.\n"));
4548 break;
4549 }
4550
47704ddf
KT		 4551 printf (_(" Length: %ld\n"),
4552 (long) arange.ar_length);
19e6b90e 4553 printf (_(" Version: %d\n"), arange.ar_version);
47704ddf
KT		 4554 printf (_(" Offset into .debug_info: 0x%lx\n"),
4555 (unsigned long) arange.ar_info_offset);
19e6b90e
L		 4556 printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size);
4557 printf (_(" Segment Size: %d\n"), arange.ar_segment_size);
4558
53b8873b
NC		 4559 address_size = arange.ar_pointer_size + arange.ar_segment_size;
4560
b3681d67
L		 4561 if (address_size == 0)
4562 {
4563 error (_("Invalid address size in %s section!\n"),
4564 section->name);
4565 break;
4566 }
4567
53b8873b
NC		 4568 /* The DWARF spec does not require that the address size be a power
4569 of two, but we do. This will have to change if we ever encounter
4570 an uneven architecture. */
4571 if ((address_size & (address_size - 1)) != 0)
4572 {
4573 warn (_("Pointer size + Segment size is not a power of two.\n"));
4574 break;
4575 }
cecf136e 4576
209c9a13
NC		 4577 if (address_size > 4)
4578 printf (_("\n Address Length\n"));
4579 else
4580 printf (_("\n Address Length\n"));
19e6b90e 4581
91d6fa6a 4582 addr_ranges = hdrptr;
19e6b90e 4583
53b8873b
NC		 4584 /* Must pad to an alignment boundary that is twice the address size. */
4585 excess = (hdrptr - start) % (2 * address_size);
19e6b90e 4586 if (excess)
91d6fa6a 4587 addr_ranges += (2 * address_size) - excess;
19e6b90e 4588
1617e571
AM		 4589 start += arange.ar_length + initial_length_size;
4590
91d6fa6a 4591 while (addr_ranges + 2 * address_size <= start)
19e6b90e 4592 {
0c588247
NC		 4593 SAFE_BYTE_GET_AND_INC (address, addr_ranges, address_size, end);
4594 SAFE_BYTE_GET_AND_INC (length, addr_ranges, address_size, end);
19e6b90e 4595
80c35038 4596 printf (" ");
2d9472a2
NC		 4597 print_dwarf_vma (address, address_size);
4598 print_dwarf_vma (length, address_size);
4599 putchar ('\n');
19e6b90e 4600 }
19e6b90e
L		 4601 }
4602
4603 printf ("\n");
4604
4605 return 1;
4606}
4607
4723351a
CC		 4608/* Comparison function for qsort. */
4609static int
4610comp_addr_base (const void * v0, const void * v1)
4611{
4612 debug_info * info0 = (debug_info *) v0;
4613 debug_info * info1 = (debug_info *) v1;
4614 return info0->addr_base - info1->addr_base;
4615}
4616
4617/* Display the debug_addr section. */
4618static int
4619display_debug_addr (struct dwarf_section *section,
4620 void *file)
4621{
4622 debug_info **debug_addr_info;
4623 unsigned char *entry;
4624 unsigned char *end;
4625 unsigned int i;
4626 unsigned int count;
4627
4628 if (section->size == 0)
4629 {
4630 printf (_("\nThe %s section is empty.\n"), section->name);
4631 return 0;
4632 }
4633
4634 if (load_debug_info (file) == 0)
4635 {
4636 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
4637 section->name);
4638 return 0;
4639 }
4640
4641 printf (_("Contents of the %s section:\n\n"), section->name);
4642
90f9a987 4643 debug_addr_info = (debug_info **) xmalloc ((num_debug_info_entries + 1)
4723351a
CC		 4644 * sizeof (debug_info *));
4645
4646 count = 0;
4647 for (i = 0; i < num_debug_info_entries; i++)
4648 {
4649 if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE)
4650 debug_addr_info [count++] = &debug_information [i];
4651 }
4652
4653 /* Add a sentinel to make iteration convenient. */
4654 debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info));
4655 debug_addr_info [count]->addr_base = section->size;
4656
4657 qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base);
4658 for (i = 0; i < count; i++)
4659 {
4660 unsigned int idx;
fab128ef 4661 unsigned int address_size = debug_addr_info [i]->pointer_size;
4723351a
CC		 4662
4663 printf (_(" For compilation unit at offset 0x%s:\n"),
4664 dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset));
4665
fab128ef 4666 printf (_("\tIndex\tAddress\n"));
4723351a
CC		 4667 entry = section->start + debug_addr_info [i]->addr_base;
4668 end = section->start + debug_addr_info [i + 1]->addr_base;
4669 idx = 0;
4670 while (entry < end)
4671 {
fab128ef
CC		 4672 dwarf_vma base = byte_get (entry, address_size);
4673 printf (_("\t%d:\t"), idx);
4674 print_dwarf_vma (base, address_size);
4675 printf ("\n");
4676 entry += address_size;
4723351a
CC		 4677 idx++;
4678 }
4679 }
4680 printf ("\n");
4681
4682 free (debug_addr_info);
4683 return 1;
4684}
4685
4686/* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */
4687static int
4688display_debug_str_offsets (struct dwarf_section *section,
4689 void *file ATTRIBUTE_UNUSED)
4690{
4691 if (section->size == 0)
4692 {
4693 printf (_("\nThe %s section is empty.\n"), section->name);
4694 return 0;
4695 }
4696 /* TODO: Dump the contents. This is made somewhat difficult by not knowing
4697 what the offset size is for this section. */
4698 return 1;
4699}
4700
01a8f077
JK		 4701/* Each debug_information[x].range_lists[y] gets this representation for
4702 sorting purposes. */
4703
4704struct range_entry
467c65bc
NC		 4705{
4706 /* The debug_information[x].range_lists[y] value. */
4707 unsigned long ranges_offset;
01a8f077 4708
467c65bc
NC		 4709 /* Original debug_information to find parameters of the data. */
4710 debug_info *debug_info_p;
4711};
01a8f077
JK		 4712
4713/* Sort struct range_entry in ascending order of its RANGES_OFFSET. */
4714
4715static int
4716range_entry_compar (const void *ap, const void *bp)
4717{
3f5e193b
NC		 4718 const struct range_entry *a_re = (const struct range_entry *) ap;
4719 const struct range_entry *b_re = (const struct range_entry *) bp;
01a8f077
JK		 4720 const unsigned long a = a_re->ranges_offset;
4721 const unsigned long b = b_re->ranges_offset;
4722
4723 return (a > b) - (b > a);
4724}
4725
19e6b90e
L		 4726static int
4727display_debug_ranges (struct dwarf_section *section,
4728 void *file ATTRIBUTE_UNUSED)
4729{
4730 unsigned char *start = section->start;
a2ff7a4b 4731 unsigned char *last_start = start;
f6f0e17b 4732 unsigned long bytes = section->size;
19e6b90e 4733 unsigned char *section_begin = start;
f6f0e17b 4734 unsigned char *finish = start + bytes;
01a8f077
JK		 4735 unsigned int num_range_list, i;
4736 struct range_entry *range_entries, *range_entry_fill;
19e6b90e 4737
19e6b90e
L		 4738 if (bytes == 0)
4739 {
4740 printf (_("\nThe %s section is empty.\n"), section->name);
4741 return 0;
4742 }
4743
1febe64d
NC		 4744 if (load_debug_info (file) == 0)
4745 {
4746 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
4747 section->name);
4748 return 0;
4749 }
19e6b90e 4750
01a8f077 4751 num_range_list = 0;
19e6b90e 4752 for (i = 0; i < num_debug_info_entries; i++)
01a8f077 4753 num_range_list += debug_information [i].num_range_lists;
19e6b90e 4754
01a8f077 4755 if (num_range_list == 0)
4723351a
CC		 4756 {
4757 /* This can happen when the file was compiled with -gsplit-debug
4758 which removes references to range lists from the primary .o file. */
4759 printf (_("No range lists in .debug_info section.\n"));
4760 return 1;
4761 }
19e6b90e 4762
3f5e193b
NC		 4763 range_entries = (struct range_entry *)
4764 xmalloc (sizeof (*range_entries) * num_range_list);
01a8f077 4765 range_entry_fill = range_entries;
19e6b90e 4766
01a8f077
JK		 4767 for (i = 0; i < num_debug_info_entries; i++)
4768 {
4769 debug_info *debug_info_p = &debug_information[i];
4770 unsigned int j;
4771
4772 for (j = 0; j < debug_info_p->num_range_lists; j++)
4773 {
4774 range_entry_fill->ranges_offset = debug_info_p->range_lists[j];
4775 range_entry_fill->debug_info_p = debug_info_p;
4776 range_entry_fill++;
19e6b90e
L		 4777 }
4778 }
4779
01a8f077
JK		 4780 qsort (range_entries, num_range_list, sizeof (*range_entries),
4781 range_entry_compar);
19e6b90e 4782
bfe2612a 4783 /* DWARF sections under Mach-O have non-zero addresses. */
4723351a 4784 if (dwarf_check != 0 && range_entries[0].ranges_offset != section->address)
19e6b90e 4785 warn (_("Range lists in %s section start at 0x%lx\n"),
01a8f077 4786 section->name, range_entries[0].ranges_offset);
19e6b90e
L		 4787
4788 printf (_("Contents of the %s section:\n\n"), section->name);
4789 printf (_(" Offset Begin End\n"));
4790
01a8f077 4791 for (i = 0; i < num_range_list; i++)
19e6b90e 4792 {
01a8f077
JK		 4793 struct range_entry *range_entry = &range_entries[i];
4794 debug_info *debug_info_p = range_entry->debug_info_p;
19e6b90e 4795 unsigned int pointer_size;
01a8f077
JK		 4796 unsigned long offset;
4797 unsigned char *next;
19e6b90e
L		 4798 unsigned long base_address;
4799
01a8f077
JK		 4800 pointer_size = debug_info_p->pointer_size;
4801
4802 /* DWARF sections under Mach-O have non-zero addresses. */
4803 offset = range_entry->ranges_offset - section->address;
4804 next = section_begin + offset;
4805 base_address = debug_info_p->base_address;
cecf136e 4806
4723351a 4807 if (dwarf_check != 0 && i > 0)
19e6b90e 4808 {
01a8f077
JK		 4809 if (start < next)
4810 warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"),
4811 (unsigned long) (start - section_begin),
4812 (unsigned long) (next - section_begin), section->name);
4813 else if (start > next)
a2ff7a4b
AM		 4814 {
4815 if (next == last_start)
4816 continue;
4817 warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"),
4818 (unsigned long) (start - section_begin),
4819 (unsigned long) (next - section_begin), section->name);
4820 }
01a8f077
JK		 4821 }
4822 start = next;
a2ff7a4b 4823 last_start = next;
19e6b90e 4824
f6f0e17b 4825 while (start < finish)
01a8f077
JK		 4826 {
4827 dwarf_vma begin;
4828 dwarf_vma end;
4829
4830 /* Note: we use sign extension here in order to be sure that
4831 we can detect the -1 escape value. Sign extension into the
4832 top 32 bits of a 32-bit address will not affect the values
4833 that we display since we always show hex values, and always
4834 the bottom 32-bits. */
0c588247 4835 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
f6f0e17b
NC		 4836 if (start >= finish)
4837 break;
0c588247 4838 SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish);
01a8f077
JK		 4839
4840 printf (" %8.8lx ", offset);
4841
4842 if (begin == 0 && end == 0)
19e6b90e 4843 {
01a8f077
JK		 4844 printf (_("<End of list>\n"));
4845 break;
19e6b90e 4846 }
19e6b90e 4847
01a8f077
JK		 4848 /* Check base address specifiers. */
4849 if (begin == (dwarf_vma) -1 && end != (dwarf_vma) -1)
19e6b90e 4850 {
01a8f077
JK		 4851 base_address = end;
4852 print_dwarf_vma (begin, pointer_size);
4853 print_dwarf_vma (end, pointer_size);
4854 printf ("(base address)\n");
4855 continue;
4856 }
19e6b90e 4857
01a8f077
JK		 4858 print_dwarf_vma (begin + base_address, pointer_size);
4859 print_dwarf_vma (end + base_address, pointer_size);
4a149252 4860
01a8f077
JK		 4861 if (begin == end)
4862 fputs (_("(start == end)"), stdout);
4863 else if (begin > end)
4864 fputs (_("(start > end)"), stdout);
19e6b90e 4865
01a8f077 4866 putchar ('\n');
19e6b90e
L		 4867 }
4868 }
4869 putchar ('\n');
01a8f077
JK		 4870
4871 free (range_entries);
4872
19e6b90e
L		 4873 return 1;
4874}
4875
4876typedef struct Frame_Chunk
4877{
4878 struct Frame_Chunk *next;
4879 unsigned char *chunk_start;
4880 int ncols;
4881 /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */
4882 short int *col_type;
4883 int *col_offset;
4884 char *augmentation;
4885 unsigned int code_factor;
4886 int data_factor;
4887 unsigned long pc_begin;
4888 unsigned long pc_range;
4889 int cfa_reg;
4890 int cfa_offset;
4891 int ra;
4892 unsigned char fde_encoding;
4893 unsigned char cfa_exp;
604282a7
JJ		 4894 unsigned char ptr_size;
4895 unsigned char segment_size;
19e6b90e
L		 4896}
4897Frame_Chunk;
4898
665ce1f6
L		 4899static const char *const *dwarf_regnames;
4900static unsigned int dwarf_regnames_count;
4901
19e6b90e
L		 4902/* A marker for a col_type that means this column was never referenced
4903 in the frame info. */
4904#define DW_CFA_unreferenced (-1)
4905
665ce1f6
L		 4906/* Return 0 if not more space is needed, 1 if more space is needed,
4907 -1 for invalid reg. */
4908
4909static int
4910frame_need_space (Frame_Chunk *fc, unsigned int reg)
19e6b90e
L		 4911{
4912 int prev = fc->ncols;
4913
665ce1f6
L		 4914 if (reg < (unsigned int) fc->ncols)
4915 return 0;
4916
4917 if (dwarf_regnames_count
4918 && reg > dwarf_regnames_count)
4919 return -1;
19e6b90e
L		 4920
4921 fc->ncols = reg + 1;
3f5e193b
NC		 4922 fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols,
4923 sizeof (short int));
4924 fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int));
19e6b90e
L		 4925
4926 while (prev < fc->ncols)
4927 {
4928 fc->col_type[prev] = DW_CFA_unreferenced;
4929 fc->col_offset[prev] = 0;
4930 prev++;
4931 }
665ce1f6 4932 return 1;
19e6b90e
L		 4933}
4934
2dc4cec1
L		 4935static const char *const dwarf_regnames_i386[] =
4936{
4937 "eax", "ecx", "edx", "ebx",
4938 "esp", "ebp", "esi", "edi",
4939 "eip", "eflags", NULL,
4940 "st0", "st1", "st2", "st3",
4941 "st4", "st5", "st6", "st7",
4942 NULL, NULL,
4943 "xmm0", "xmm1", "xmm2", "xmm3",
4944 "xmm4", "xmm5", "xmm6", "xmm7",
4945 "mm0", "mm1", "mm2", "mm3",
4946 "mm4", "mm5", "mm6", "mm7",
4947 "fcw", "fsw", "mxcsr",
4948 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL,
a656ed5b 4949 "tr", "ldtr"
2dc4cec1
L		 4950};
4951
b129eb0e
RH		 4952void
4953init_dwarf_regnames_i386 (void)
4954{
4955 dwarf_regnames = dwarf_regnames_i386;
4956 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386);
4957}
4958
2dc4cec1
L		 4959static const char *const dwarf_regnames_x86_64[] =
4960{
4961 "rax", "rdx", "rcx", "rbx",
4962 "rsi", "rdi", "rbp", "rsp",
4963 "r8", "r9", "r10", "r11",
4964 "r12", "r13", "r14", "r15",
4965 "rip",
4966 "xmm0", "xmm1", "xmm2", "xmm3",
4967 "xmm4", "xmm5", "xmm6", "xmm7",
4968 "xmm8", "xmm9", "xmm10", "xmm11",
4969 "xmm12", "xmm13", "xmm14", "xmm15",
4970 "st0", "st1", "st2", "st3",
4971 "st4", "st5", "st6", "st7",
4972 "mm0", "mm1", "mm2", "mm3",
4973 "mm4", "mm5", "mm6", "mm7",
4974 "rflags",
4975 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL,
4976 "fs.base", "gs.base", NULL, NULL,
4977 "tr", "ldtr",
a656ed5b 4978 "mxcsr", "fcw", "fsw"
2dc4cec1
L		 4979};
4980
b129eb0e
RH		 4981void
4982init_dwarf_regnames_x86_64 (void)
4983{
4984 dwarf_regnames = dwarf_regnames_x86_64;
4985 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64);
4986}
4987
2dc4cec1
L		 4988void
4989init_dwarf_regnames (unsigned int e_machine)
4990{
4991 switch (e_machine)
4992 {
4993 case EM_386:
4994 case EM_486:
b129eb0e 4995 init_dwarf_regnames_i386 ();
2dc4cec1
L		 4996 break;
4997
4998 case EM_X86_64:
7f502d6c 4999 case EM_L1OM:
7a9068fe 5000 case EM_K1OM:
b129eb0e 5001 init_dwarf_regnames_x86_64 ();
2dc4cec1
L		 5002 break;
5003
5004 default:
5005 break;
5006 }
5007}
5008
5009static const char *
5010regname (unsigned int regno, int row)
5011{
5012 static char reg[64];
5013 if (dwarf_regnames
5014 && regno < dwarf_regnames_count
5015 && dwarf_regnames [regno] != NULL)
5016 {
5017 if (row)
5018 return dwarf_regnames [regno];
5019 snprintf (reg, sizeof (reg), "r%d (%s)", regno,
5020 dwarf_regnames [regno]);
5021 }
5022 else
5023 snprintf (reg, sizeof (reg), "r%d", regno);
5024 return reg;
5025}
5026
19e6b90e
L		 5027static void
5028frame_display_row (Frame_Chunk *fc, int *need_col_headers, int *max_regs)
5029{
5030 int r;
5031 char tmp[100];
5032
5033 if (*max_regs < fc->ncols)
5034 *max_regs = fc->ncols;
5035
5036 if (*need_col_headers)
5037 {
91d6fa6a 5038 static const char *sloc = " LOC";
2dc4cec1 5039
19e6b90e
L		 5040 *need_col_headers = 0;
5041
91d6fa6a 5042 printf ("%-*s CFA ", eh_addr_size * 2, sloc);
19e6b90e
L		 5043
5044 for (r = 0; r < *max_regs; r++)
5045 if (fc->col_type[r] != DW_CFA_unreferenced)
5046 {
5047 if (r == fc->ra)
2dc4cec1 5048 printf ("ra ");
19e6b90e 5049 else
2dc4cec1 5050 printf ("%-5s ", regname (r, 1));
19e6b90e
L		 5051 }
5052
5053 printf ("\n");
5054 }
5055
2dc4cec1 5056 printf ("%0*lx ", eh_addr_size * 2, fc->pc_begin);
19e6b90e
L		 5057 if (fc->cfa_exp)
5058 strcpy (tmp, "exp");
5059 else
2dc4cec1 5060 sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), fc->cfa_offset);
19e6b90e
L		 5061 printf ("%-8s ", tmp);
5062
5063 for (r = 0; r < fc->ncols; r++)
5064 {
5065 if (fc->col_type[r] != DW_CFA_unreferenced)
5066 {
5067 switch (fc->col_type[r])
5068 {
5069 case DW_CFA_undefined:
5070 strcpy (tmp, "u");
5071 break;
5072 case DW_CFA_same_value:
5073 strcpy (tmp, "s");
5074 break;
5075 case DW_CFA_offset:
5076 sprintf (tmp, "c%+d", fc->col_offset[r]);
5077 break;
12eae2d3
JJ		 5078 case DW_CFA_val_offset:
5079 sprintf (tmp, "v%+d", fc->col_offset[r]);
5080 break;
19e6b90e 5081 case DW_CFA_register:
2dc4cec1 5082 sprintf (tmp, "%s", regname (fc->col_offset[r], 0));
19e6b90e
L		 5083 break;
5084 case DW_CFA_expression:
5085 strcpy (tmp, "exp");
5086 break;
12eae2d3
JJ		 5087 case DW_CFA_val_expression:
5088 strcpy (tmp, "vexp");
5089 break;
19e6b90e
L		 5090 default:
5091 strcpy (tmp, "n/a");
5092 break;
5093 }
2dc4cec1 5094 printf ("%-5s ", tmp);
19e6b90e
L		 5095 }
5096 }
5097 printf ("\n");
5098}
5099
0c588247 5100#define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end);
f6f0e17b
NC		 5101#define LEB() read_uleb128 (start, & length_return, end); start += length_return
5102#define SLEB() read_sleb128 (start, & length_return, end); start += length_return
19e6b90e
L		 5103
5104static int
5105display_debug_frames (struct dwarf_section *section,
5106 void *file ATTRIBUTE_UNUSED)
5107{
5108 unsigned char *start = section->start;
5109 unsigned char *end = start + section->size;
5110 unsigned char *section_start = start;
5111 Frame_Chunk *chunks = 0;
5112 Frame_Chunk *remembered_state = 0;
5113 Frame_Chunk *rs;
5114 int is_eh = strcmp (section->name, ".eh_frame") == 0;
5115 unsigned int length_return;
5116 int max_regs = 0;
665ce1f6 5117 const char *bad_reg = _("bad register: ");
604282a7 5118 int saved_eh_addr_size = eh_addr_size;
19e6b90e 5119
80c35038 5120 printf (_("Contents of the %s section:\n"), section->name);
19e6b90e
L		 5121
5122 while (start < end)
5123 {
5124 unsigned char *saved_start;
5125 unsigned char *block_end;
5126 unsigned long length;
5127 unsigned long cie_id;
5128 Frame_Chunk *fc;
5129 Frame_Chunk *cie;
5130 int need_col_headers = 1;
5131 unsigned char *augmentation_data = NULL;
5132 unsigned long augmentation_data_len = 0;
604282a7 5133 int encoded_ptr_size = saved_eh_addr_size;
19e6b90e
L		 5134 int offset_size;
5135 int initial_length_size;
5136
5137 saved_start = start;
19e6b90e 5138
0c588247 5139 SAFE_BYTE_GET_AND_INC (length, start, 4, end);
19e6b90e
L		 5140 if (length == 0)
5141 {
5142 printf ("\n%08lx ZERO terminator\n\n",
5143 (unsigned long)(saved_start - section_start));
b758e50f 5144 continue;
19e6b90e
L		 5145 }
5146
5147 if (length == 0xffffffff)
5148 {
0c588247 5149 SAFE_BYTE_GET_AND_INC (length, start, 8, end);
19e6b90e
L		 5150 offset_size = 8;
5151 initial_length_size = 12;
5152 }
5153 else
5154 {
5155 offset_size = 4;
5156 initial_length_size = 4;
5157 }
5158
5159 block_end = saved_start + length + initial_length_size;
53b8873b
NC		 5160 if (block_end > end)
5161 {
5162 warn ("Invalid length %#08lx in FDE at %#08lx\n",
5163 length, (unsigned long)(saved_start - section_start));
5164 block_end = end;
5165 }
0c588247
NC		 5166
5167 SAFE_BYTE_GET_AND_INC (cie_id, start, offset_size, end);
19e6b90e
L		 5168
5169 if (is_eh ? (cie_id == 0) : (cie_id == DW_CIE_ID))
5170 {
5171 int version;
5172
3f5e193b 5173 fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
19e6b90e
L		 5174 memset (fc, 0, sizeof (Frame_Chunk));
5175
5176 fc->next = chunks;
5177 chunks = fc;
5178 fc->chunk_start = saved_start;
5179 fc->ncols = 0;
3f5e193b
NC		 5180 fc->col_type = (short int *) xmalloc (sizeof (short int));
5181 fc->col_offset = (int *) xmalloc (sizeof (int));
cc86f28f 5182 frame_need_space (fc, max_regs - 1);
19e6b90e
L		 5183
5184 version = *start++;
5185
5186 fc->augmentation = (char *) start;
5187 start = (unsigned char *) strchr ((char *) start, '\0') + 1;
5188
604282a7
JJ		 5189 if (strcmp (fc->augmentation, "eh") == 0)
5190 start += eh_addr_size;
5191
5192 if (version >= 4)
19e6b90e 5193 {
0c588247
NC		 5194 GET (fc->ptr_size, 1);
5195 GET (fc->segment_size, 1);
604282a7 5196 eh_addr_size = fc->ptr_size;
19e6b90e 5197 }
604282a7 5198 else
19e6b90e 5199 {
604282a7
JJ		 5200 fc->ptr_size = eh_addr_size;
5201 fc->segment_size = 0;
5202 }
5203 fc->code_factor = LEB ();
5204 fc->data_factor = SLEB ();
5205 if (version == 1)
5206 {
0c588247 5207 GET (fc->ra, 1);
19e6b90e
L		 5208 }
5209 else
5210 {
604282a7
JJ		 5211 fc->ra = LEB ();
5212 }
5213
5214 if (fc->augmentation[0] == 'z')
5215 {
5216 augmentation_data_len = LEB ();
5217 augmentation_data = start;
5218 start += augmentation_data_len;
19e6b90e
L		 5219 }
5220 cie = fc;
5221
5222 if (do_debug_frames_interp)
5223 printf ("\n%08lx %08lx %08lx CIE \"%s\" cf=%d df=%d ra=%d\n",
5224 (unsigned long)(saved_start - section_start), length, cie_id,
5225 fc->augmentation, fc->code_factor, fc->data_factor,
5226 fc->ra);
5227 else
5228 {
5229 printf ("\n%08lx %08lx %08lx CIE\n",
5230 (unsigned long)(saved_start - section_start), length, cie_id);
5231 printf (" Version: %d\n", version);
5232 printf (" Augmentation: \"%s\"\n", fc->augmentation);
604282a7
JJ		 5233 if (version >= 4)
5234 {
5235 printf (" Pointer Size: %u\n", fc->ptr_size);
5236 printf (" Segment Size: %u\n", fc->segment_size);
5237 }
19e6b90e
L		 5238 printf (" Code alignment factor: %u\n", fc->code_factor);
5239 printf (" Data alignment factor: %d\n", fc->data_factor);
5240 printf (" Return address column: %d\n", fc->ra);
5241
5242 if (augmentation_data_len)
5243 {
5244 unsigned long i;
5245 printf (" Augmentation data: ");
5246 for (i = 0; i < augmentation_data_len; ++i)
5247 printf (" %02x", augmentation_data[i]);
5248 putchar ('\n');
5249 }
5250 putchar ('\n');
5251 }
5252
5253 if (augmentation_data_len)
5254 {
5255 unsigned char *p, *q;
5256 p = (unsigned char *) fc->augmentation + 1;
5257 q = augmentation_data;
5258
5259 while (1)
5260 {
5261 if (*p == 'L')
5262 q++;
5263 else if (*p == 'P')
5264 q += 1 + size_of_encoded_value (*q);
5265 else if (*p == 'R')
5266 fc->fde_encoding = *q++;
d80e8de2
JB		 5267 else if (*p == 'S')
5268 ;
19e6b90e
L		 5269 else
5270 break;
5271 p++;
5272 }
5273
5274 if (fc->fde_encoding)
5275 encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
5276 }
5277
5278 frame_need_space (fc, fc->ra);
5279 }
5280 else
5281 {
5282 unsigned char *look_for;
5283 static Frame_Chunk fde_fc;
604282a7 5284 unsigned long segment_selector;
19e6b90e
L		 5285
5286 fc = & fde_fc;
5287 memset (fc, 0, sizeof (Frame_Chunk));
5288
5289 look_for = is_eh ? start - 4 - cie_id : section_start + cie_id;
5290
5291 for (cie = chunks; cie ; cie = cie->next)
5292 if (cie->chunk_start == look_for)
5293 break;
5294
5295 if (!cie)
5296 {
53b8873b 5297 warn ("Invalid CIE pointer %#08lx in FDE at %#08lx\n",
1617e571 5298 cie_id, (unsigned long)(saved_start - section_start));
19e6b90e 5299 fc->ncols = 0;
3f5e193b
NC		 5300 fc->col_type = (short int *) xmalloc (sizeof (short int));
5301 fc->col_offset = (int *) xmalloc (sizeof (int));
19e6b90e
L		 5302 frame_need_space (fc, max_regs - 1);
5303 cie = fc;
5304 fc->augmentation = "";
5305 fc->fde_encoding = 0;
604282a7
JJ		 5306 fc->ptr_size = eh_addr_size;
5307 fc->segment_size = 0;
19e6b90e
L		 5308 }
5309 else
5310 {
5311 fc->ncols = cie->ncols;
3f5e193b
NC		 5312 fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int));
5313 fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int));
19e6b90e
L		 5314 memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int));
5315 memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int));
5316 fc->augmentation = cie->augmentation;
604282a7
JJ		 5317 fc->ptr_size = cie->ptr_size;
5318 eh_addr_size = cie->ptr_size;
5319 fc->segment_size = cie->segment_size;
19e6b90e
L		 5320 fc->code_factor = cie->code_factor;
5321 fc->data_factor = cie->data_factor;
5322 fc->cfa_reg = cie->cfa_reg;
5323 fc->cfa_offset = cie->cfa_offset;
5324 fc->ra = cie->ra;
cc86f28f 5325 frame_need_space (fc, max_regs - 1);
19e6b90e
L		 5326 fc->fde_encoding = cie->fde_encoding;
5327 }
5328
5329 if (fc->fde_encoding)
5330 encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
5331
604282a7
JJ		 5332 segment_selector = 0;
5333 if (fc->segment_size)
5334 {
0c588247 5335 SAFE_BYTE_GET_AND_INC (segment_selector, start, fc->segment_size, end);
604282a7 5336 }
bad62cf5 5337 fc->pc_begin = get_encoded_value (start, fc->fde_encoding, section);
19e6b90e 5338 start += encoded_ptr_size;
19e6b90e 5339
0c588247
NC		 5340 /* FIXME: It appears that sometimes the final pc_range value is
5341 encoded in less than encoded_ptr_size bytes. See the x86_64
5342 run of the "objcopy on compressed debug sections" test for an
5343 example of this. */
5344 SAFE_BYTE_GET_AND_INC (fc->pc_range, start, encoded_ptr_size, end);
5345
19e6b90e
L		 5346 if (cie->augmentation[0] == 'z')
5347 {
5348 augmentation_data_len = LEB ();
5349 augmentation_data = start;
5350 start += augmentation_data_len;
5351 }
5352
604282a7 5353 printf ("\n%08lx %08lx %08lx FDE cie=%08lx pc=",
19e6b90e 5354 (unsigned long)(saved_start - section_start), length, cie_id,
604282a7
JJ		 5355 (unsigned long)(cie->chunk_start - section_start));
5356 if (fc->segment_size)
5357 printf ("%04lx:", segment_selector);
5358 printf ("%08lx..%08lx\n", fc->pc_begin, fc->pc_begin + fc->pc_range);
19e6b90e
L		 5359 if (! do_debug_frames_interp && augmentation_data_len)
5360 {
5361 unsigned long i;
5362
5363 printf (" Augmentation data: ");
5364 for (i = 0; i < augmentation_data_len; ++i)
5365 printf (" %02x", augmentation_data[i]);
5366 putchar ('\n');
5367 putchar ('\n');
5368 }
5369 }
5370
5371 /* At this point, fc is the current chunk, cie (if any) is set, and
5372 we're about to interpret instructions for the chunk. */
5373 /* ??? At present we need to do this always, since this sizes the
5374 fc->col_type and fc->col_offset arrays, which we write into always.
5375 We should probably split the interpreted and non-interpreted bits
5376 into two different routines, since there's so much that doesn't
5377 really overlap between them. */
5378 if (1 || do_debug_frames_interp)
5379 {
5380 /* Start by making a pass over the chunk, allocating storage
5381 and taking note of what registers are used. */
5382 unsigned char *tmp = start;
5383
5384 while (start < block_end)
5385 {
5386 unsigned op, opa;
91d6fa6a 5387 unsigned long reg, temp;
19e6b90e
L		 5388
5389 op = *start++;
5390 opa = op & 0x3f;
5391 if (op & 0xc0)
5392 op &= 0xc0;
5393
5394 /* Warning: if you add any more cases to this switch, be
5395 sure to add them to the corresponding switch below. */
5396 switch (op)
5397 {
5398 case DW_CFA_advance_loc:
5399 break;
5400 case DW_CFA_offset:
5401 LEB ();
665ce1f6
L		 5402 if (frame_need_space (fc, opa) >= 0)
5403 fc->col_type[opa] = DW_CFA_undefined;
19e6b90e
L		 5404 break;
5405 case DW_CFA_restore:
665ce1f6
L		 5406 if (frame_need_space (fc, opa) >= 0)
5407 fc->col_type[opa] = DW_CFA_undefined;
19e6b90e
L		 5408 break;
5409 case DW_CFA_set_loc:
5410 start += encoded_ptr_size;
5411 break;
5412 case DW_CFA_advance_loc1:
5413 start += 1;
5414 break;
5415 case DW_CFA_advance_loc2:
5416 start += 2;
5417 break;
5418 case DW_CFA_advance_loc4:
5419 start += 4;
5420 break;
5421 case DW_CFA_offset_extended:
12eae2d3 5422 case DW_CFA_val_offset:
19e6b90e 5423 reg = LEB (); LEB ();
665ce1f6
L		 5424 if (frame_need_space (fc, reg) >= 0)
5425 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 5426 break;
5427 case DW_CFA_restore_extended:
5428 reg = LEB ();
5429 frame_need_space (fc, reg);
665ce1f6
L		 5430 if (frame_need_space (fc, reg) >= 0)
5431 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 5432 break;
5433 case DW_CFA_undefined:
5434 reg = LEB ();
665ce1f6
L		 5435 if (frame_need_space (fc, reg) >= 0)
5436 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 5437 break;
5438 case DW_CFA_same_value:
5439 reg = LEB ();
665ce1f6
L		 5440 if (frame_need_space (fc, reg) >= 0)
5441 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 5442 break;
5443 case DW_CFA_register:
5444 reg = LEB (); LEB ();
665ce1f6
L		 5445 if (frame_need_space (fc, reg) >= 0)
5446 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 5447 break;
5448 case DW_CFA_def_cfa:
5449 LEB (); LEB ();
5450 break;
5451 case DW_CFA_def_cfa_register:
5452 LEB ();
5453 break;
5454 case DW_CFA_def_cfa_offset:
5455 LEB ();
5456 break;
5457 case DW_CFA_def_cfa_expression:
91d6fa6a
NC		 5458 temp = LEB ();
5459 start += temp;
19e6b90e
L		 5460 break;
5461 case DW_CFA_expression:
12eae2d3 5462 case DW_CFA_val_expression:
19e6b90e 5463 reg = LEB ();
91d6fa6a
NC		 5464 temp = LEB ();
5465 start += temp;
665ce1f6
L		 5466 if (frame_need_space (fc, reg) >= 0)
5467 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 5468 break;
5469 case DW_CFA_offset_extended_sf:
12eae2d3 5470 case DW_CFA_val_offset_sf:
19e6b90e 5471 reg = LEB (); SLEB ();
665ce1f6
L		 5472 if (frame_need_space (fc, reg) >= 0)
5473 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 5474 break;
5475 case DW_CFA_def_cfa_sf:
5476 LEB (); SLEB ();
5477 break;
5478 case DW_CFA_def_cfa_offset_sf:
5479 SLEB ();
5480 break;
5481 case DW_CFA_MIPS_advance_loc8:
5482 start += 8;
5483 break;
5484 case DW_CFA_GNU_args_size:
5485 LEB ();
5486 break;
5487 case DW_CFA_GNU_negative_offset_extended:
5488 reg = LEB (); LEB ();
665ce1f6
L		 5489 if (frame_need_space (fc, reg) >= 0)
5490 fc->col_type[reg] = DW_CFA_undefined;
5491 break;
19e6b90e
L		 5492 default:
5493 break;
5494 }
5495 }
5496 start = tmp;
5497 }
5498
5499 /* Now we know what registers are used, make a second pass over
5500 the chunk, this time actually printing out the info. */
5501
5502 while (start < block_end)
5503 {
5504 unsigned op, opa;
5505 unsigned long ul, reg, roffs;
5506 long l, ofs;
5507 dwarf_vma vma;
665ce1f6 5508 const char *reg_prefix = "";
19e6b90e
L		 5509
5510 op = *start++;
5511 opa = op & 0x3f;
5512 if (op & 0xc0)
5513 op &= 0xc0;
5514
5515 /* Warning: if you add any more cases to this switch, be
5516 sure to add them to the corresponding switch above. */
5517 switch (op)
5518 {
5519 case DW_CFA_advance_loc:
5520 if (do_debug_frames_interp)
5521 frame_display_row (fc, &need_col_headers, &max_regs);
5522 else
5523 printf (" DW_CFA_advance_loc: %d to %08lx\n",
5524 opa * fc->code_factor,
5525 fc->pc_begin + opa * fc->code_factor);
5526 fc->pc_begin += opa * fc->code_factor;
5527 break;
5528
5529 case DW_CFA_offset:
5530 roffs = LEB ();
665ce1f6
L		 5531 if (opa >= (unsigned int) fc->ncols)
5532 reg_prefix = bad_reg;
5533 if (! do_debug_frames_interp || *reg_prefix != '\0')
5534 printf (" DW_CFA_offset: %s%s at cfa%+ld\n",
5535 reg_prefix, regname (opa, 0),
5536 roffs * fc->data_factor);
5537 if (*reg_prefix == '\0')
5538 {
5539 fc->col_type[opa] = DW_CFA_offset;
5540 fc->col_offset[opa] = roffs * fc->data_factor;
5541 }
19e6b90e
L		 5542 break;
5543
5544 case DW_CFA_restore:
665ce1f6
L		 5545 if (opa >= (unsigned int) cie->ncols
5546 || opa >= (unsigned int) fc->ncols)
5547 reg_prefix = bad_reg;
5548 if (! do_debug_frames_interp || *reg_prefix != '\0')
5549 printf (" DW_CFA_restore: %s%s\n",
5550 reg_prefix, regname (opa, 0));
5551 if (*reg_prefix == '\0')
5552 {
5553 fc->col_type[opa] = cie->col_type[opa];
5554 fc->col_offset[opa] = cie->col_offset[opa];
b3f5b73b
ILT		 5555 if (do_debug_frames_interp
5556 && fc->col_type[opa] == DW_CFA_unreferenced)
5557 fc->col_type[opa] = DW_CFA_undefined;
665ce1f6 5558 }
19e6b90e
L		 5559 break;
5560
5561 case DW_CFA_set_loc:
bad62cf5 5562 vma = get_encoded_value (start, fc->fde_encoding, section);
19e6b90e
L		 5563 start += encoded_ptr_size;
5564 if (do_debug_frames_interp)
5565 frame_display_row (fc, &need_col_headers, &max_regs);
5566 else
5567 printf (" DW_CFA_set_loc: %08lx\n", (unsigned long)vma);
5568 fc->pc_begin = vma;
5569 break;
5570
5571 case DW_CFA_advance_loc1:
0c588247 5572 SAFE_BYTE_GET_AND_INC (ofs, start, 1, end);
19e6b90e
L		 5573 if (do_debug_frames_interp)
5574 frame_display_row (fc, &need_col_headers, &max_regs);
5575 else
5576 printf (" DW_CFA_advance_loc1: %ld to %08lx\n",
5577 ofs * fc->code_factor,
5578 fc->pc_begin + ofs * fc->code_factor);
5579 fc->pc_begin += ofs * fc->code_factor;
5580 break;
5581
5582 case DW_CFA_advance_loc2:
0c588247 5583 SAFE_BYTE_GET_AND_INC (ofs, start, 2, end);
19e6b90e
L		 5584 if (do_debug_frames_interp)
5585 frame_display_row (fc, &need_col_headers, &max_regs);
5586 else
5587 printf (" DW_CFA_advance_loc2: %ld to %08lx\n",
5588 ofs * fc->code_factor,
5589 fc->pc_begin + ofs * fc->code_factor);
5590 fc->pc_begin += ofs * fc->code_factor;
5591 break;
5592
5593 case DW_CFA_advance_loc4:
0c588247 5594 SAFE_BYTE_GET_AND_INC (ofs, start, 4, end);
19e6b90e
L		 5595 if (do_debug_frames_interp)
5596 frame_display_row (fc, &need_col_headers, &max_regs);
5597 else
5598 printf (" DW_CFA_advance_loc4: %ld to %08lx\n",
5599 ofs * fc->code_factor,
5600 fc->pc_begin + ofs * fc->code_factor);
5601 fc->pc_begin += ofs * fc->code_factor;
5602 break;
5603
5604 case DW_CFA_offset_extended:
5605 reg = LEB ();
5606 roffs = LEB ();
665ce1f6
L		 5607 if (reg >= (unsigned int) fc->ncols)
5608 reg_prefix = bad_reg;
5609 if (! do_debug_frames_interp || *reg_prefix != '\0')
5610 printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n",
5611 reg_prefix, regname (reg, 0),
5612 roffs * fc->data_factor);
5613 if (*reg_prefix == '\0')
5614 {
5615 fc->col_type[reg] = DW_CFA_offset;
5616 fc->col_offset[reg] = roffs * fc->data_factor;
5617 }
19e6b90e
L		 5618 break;
5619
12eae2d3
JJ		 5620 case DW_CFA_val_offset:
5621 reg = LEB ();
5622 roffs = LEB ();
665ce1f6
L		 5623 if (reg >= (unsigned int) fc->ncols)
5624 reg_prefix = bad_reg;
5625 if (! do_debug_frames_interp || *reg_prefix != '\0')
5626 printf (" DW_CFA_val_offset: %s%s at cfa%+ld\n",
5627 reg_prefix, regname (reg, 0),
5628 roffs * fc->data_factor);
5629 if (*reg_prefix == '\0')
5630 {
5631 fc->col_type[reg] = DW_CFA_val_offset;
5632 fc->col_offset[reg] = roffs * fc->data_factor;
5633 }
12eae2d3
JJ		 5634 break;
5635
19e6b90e
L		 5636 case DW_CFA_restore_extended:
5637 reg = LEB ();
665ce1f6
L		 5638 if (reg >= (unsigned int) cie->ncols
5639 || reg >= (unsigned int) fc->ncols)
5640 reg_prefix = bad_reg;
5641 if (! do_debug_frames_interp || *reg_prefix != '\0')
5642 printf (" DW_CFA_restore_extended: %s%s\n",
5643 reg_prefix, regname (reg, 0));
5644 if (*reg_prefix == '\0')
5645 {
5646 fc->col_type[reg] = cie->col_type[reg];
5647 fc->col_offset[reg] = cie->col_offset[reg];
5648 }
19e6b90e
L		 5649 break;
5650
5651 case DW_CFA_undefined:
5652 reg = LEB ();
665ce1f6
L		 5653 if (reg >= (unsigned int) fc->ncols)
5654 reg_prefix = bad_reg;
5655 if (! do_debug_frames_interp || *reg_prefix != '\0')
5656 printf (" DW_CFA_undefined: %s%s\n",
5657 reg_prefix, regname (reg, 0));
5658 if (*reg_prefix == '\0')
5659 {
5660 fc->col_type[reg] = DW_CFA_undefined;
5661 fc->col_offset[reg] = 0;
5662 }
19e6b90e
L		 5663 break;
5664
5665 case DW_CFA_same_value:
5666 reg = LEB ();
665ce1f6
L		 5667 if (reg >= (unsigned int) fc->ncols)
5668 reg_prefix = bad_reg;
5669 if (! do_debug_frames_interp || *reg_prefix != '\0')
5670 printf (" DW_CFA_same_value: %s%s\n",
5671 reg_prefix, regname (reg, 0));
5672 if (*reg_prefix == '\0')
5673 {
5674 fc->col_type[reg] = DW_CFA_same_value;
5675 fc->col_offset[reg] = 0;
5676 }
19e6b90e
L		 5677 break;
5678
5679 case DW_CFA_register:
5680 reg = LEB ();
5681 roffs = LEB ();
665ce1f6
L		 5682 if (reg >= (unsigned int) fc->ncols)
5683 reg_prefix = bad_reg;
5684 if (! do_debug_frames_interp || *reg_prefix != '\0')
2dc4cec1 5685 {
665ce1f6
L		 5686 printf (" DW_CFA_register: %s%s in ",
5687 reg_prefix, regname (reg, 0));
2dc4cec1
L		 5688 puts (regname (roffs, 0));
5689 }
665ce1f6
L		 5690 if (*reg_prefix == '\0')
5691 {
5692 fc->col_type[reg] = DW_CFA_register;
5693 fc->col_offset[reg] = roffs;
5694 }
19e6b90e
L		 5695 break;
5696
5697 case DW_CFA_remember_state:
5698 if (! do_debug_frames_interp)
5699 printf (" DW_CFA_remember_state\n");
3f5e193b 5700 rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
19e6b90e 5701 rs->ncols = fc->ncols;
3f5e193b
NC		 5702 rs->col_type = (short int *) xcmalloc (rs->ncols,
5703 sizeof (short int));
5704 rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (int));
19e6b90e
L		 5705 memcpy (rs->col_type, fc->col_type, rs->ncols);
5706 memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (int));
5707 rs->next = remembered_state;
5708 remembered_state = rs;
5709 break;
5710
5711 case DW_CFA_restore_state:
5712 if (! do_debug_frames_interp)
5713 printf (" DW_CFA_restore_state\n");
5714 rs = remembered_state;
5715 if (rs)
5716 {
5717 remembered_state = rs->next;
cc86f28f 5718 frame_need_space (fc, rs->ncols - 1);
19e6b90e
L		 5719 memcpy (fc->col_type, rs->col_type, rs->ncols);
5720 memcpy (fc->col_offset, rs->col_offset,
5721 rs->ncols * sizeof (int));
5722 free (rs->col_type);
5723 free (rs->col_offset);
5724 free (rs);
5725 }
5726 else if (do_debug_frames_interp)
5727 printf ("Mismatched DW_CFA_restore_state\n");
5728 break;
5729
5730 case DW_CFA_def_cfa:
5731 fc->cfa_reg = LEB ();
5732 fc->cfa_offset = LEB ();
5733 fc->cfa_exp = 0;
5734 if (! do_debug_frames_interp)
2dc4cec1
L		 5735 printf (" DW_CFA_def_cfa: %s ofs %d\n",
5736 regname (fc->cfa_reg, 0), fc->cfa_offset);
19e6b90e
L		 5737 break;
5738
5739 case DW_CFA_def_cfa_register:
5740 fc->cfa_reg = LEB ();
5741 fc->cfa_exp = 0;
5742 if (! do_debug_frames_interp)
2dc4cec1
L		 5743 printf (" DW_CFA_def_cfa_register: %s\n",
5744 regname (fc->cfa_reg, 0));
19e6b90e
L		 5745 break;
5746
5747 case DW_CFA_def_cfa_offset:
5748 fc->cfa_offset = LEB ();
5749 if (! do_debug_frames_interp)
5750 printf (" DW_CFA_def_cfa_offset: %d\n", fc->cfa_offset);
5751 break;
5752
5753 case DW_CFA_nop:
5754 if (! do_debug_frames_interp)
5755 printf (" DW_CFA_nop\n");
5756 break;
5757
5758 case DW_CFA_def_cfa_expression:
5759 ul = LEB ();
5760 if (! do_debug_frames_interp)
5761 {
5762 printf (" DW_CFA_def_cfa_expression (");
b7807392
JJ		 5763 decode_location_expression (start, eh_addr_size, 0, -1,
5764 ul, 0, section);
19e6b90e
L		 5765 printf (")\n");
5766 }
5767 fc->cfa_exp = 1;
5768 start += ul;
5769 break;
5770
5771 case DW_CFA_expression:
5772 reg = LEB ();
5773 ul = LEB ();
665ce1f6
L		 5774 if (reg >= (unsigned int) fc->ncols)
5775 reg_prefix = bad_reg;
5776 if (! do_debug_frames_interp || *reg_prefix != '\0')
19e6b90e 5777 {
665ce1f6
L		 5778 printf (" DW_CFA_expression: %s%s (",
5779 reg_prefix, regname (reg, 0));
b7807392 5780 decode_location_expression (start, eh_addr_size, 0, -1,
f1c4cc75 5781 ul, 0, section);
19e6b90e
L		 5782 printf (")\n");
5783 }
665ce1f6
L		 5784 if (*reg_prefix == '\0')
5785 fc->col_type[reg] = DW_CFA_expression;
19e6b90e
L		 5786 start += ul;
5787 break;
5788
12eae2d3
JJ		 5789 case DW_CFA_val_expression:
5790 reg = LEB ();
5791 ul = LEB ();
665ce1f6
L		 5792 if (reg >= (unsigned int) fc->ncols)
5793 reg_prefix = bad_reg;
5794 if (! do_debug_frames_interp || *reg_prefix != '\0')
12eae2d3 5795 {
665ce1f6
L		 5796 printf (" DW_CFA_val_expression: %s%s (",
5797 reg_prefix, regname (reg, 0));
b7807392
JJ		 5798 decode_location_expression (start, eh_addr_size, 0, -1,
5799 ul, 0, section);
12eae2d3
JJ		 5800 printf (")\n");
5801 }
665ce1f6
L		 5802 if (*reg_prefix == '\0')
5803 fc->col_type[reg] = DW_CFA_val_expression;
12eae2d3
JJ		 5804 start += ul;
5805 break;
5806
19e6b90e
L		 5807 case DW_CFA_offset_extended_sf:
5808 reg = LEB ();
5809 l = SLEB ();
665ce1f6
L		 5810 if (frame_need_space (fc, reg) < 0)
5811 reg_prefix = bad_reg;
5812 if (! do_debug_frames_interp || *reg_prefix != '\0')
5813 printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n",
5814 reg_prefix, regname (reg, 0),
5815 l * fc->data_factor);
5816 if (*reg_prefix == '\0')
5817 {
5818 fc->col_type[reg] = DW_CFA_offset;
5819 fc->col_offset[reg] = l * fc->data_factor;
5820 }
19e6b90e
L		 5821 break;
5822
12eae2d3
JJ		 5823 case DW_CFA_val_offset_sf:
5824 reg = LEB ();
5825 l = SLEB ();
665ce1f6
L		 5826 if (frame_need_space (fc, reg) < 0)
5827 reg_prefix = bad_reg;
5828 if (! do_debug_frames_interp || *reg_prefix != '\0')
5829 printf (" DW_CFA_val_offset_sf: %s%s at cfa%+ld\n",
5830 reg_prefix, regname (reg, 0),
5831 l * fc->data_factor);
5832 if (*reg_prefix == '\0')
5833 {
5834 fc->col_type[reg] = DW_CFA_val_offset;
5835 fc->col_offset[reg] = l * fc->data_factor;
5836 }
12eae2d3
JJ		 5837 break;
5838
19e6b90e
L		 5839 case DW_CFA_def_cfa_sf:
5840 fc->cfa_reg = LEB ();
5841 fc->cfa_offset = SLEB ();
5842 fc->cfa_offset = fc->cfa_offset * fc->data_factor;
5843 fc->cfa_exp = 0;
5844 if (! do_debug_frames_interp)
2dc4cec1
L		 5845 printf (" DW_CFA_def_cfa_sf: %s ofs %d\n",
5846 regname (fc->cfa_reg, 0), fc->cfa_offset);
19e6b90e
L		 5847 break;
5848
5849 case DW_CFA_def_cfa_offset_sf:
5850 fc->cfa_offset = SLEB ();
5851 fc->cfa_offset = fc->cfa_offset * fc->data_factor;
5852 if (! do_debug_frames_interp)
5853 printf (" DW_CFA_def_cfa_offset_sf: %d\n", fc->cfa_offset);
5854 break;
5855
5856 case DW_CFA_MIPS_advance_loc8:
0c588247 5857 SAFE_BYTE_GET_AND_INC (ofs, start, 8, end);
19e6b90e
L		 5858 if (do_debug_frames_interp)
5859 frame_display_row (fc, &need_col_headers, &max_regs);
5860 else
5861 printf (" DW_CFA_MIPS_advance_loc8: %ld to %08lx\n",
5862 ofs * fc->code_factor,
5863 fc->pc_begin + ofs * fc->code_factor);
5864 fc->pc_begin += ofs * fc->code_factor;
5865 break;
5866
5867 case DW_CFA_GNU_window_save:
5868 if (! do_debug_frames_interp)
5869 printf (" DW_CFA_GNU_window_save\n");
5870 break;
5871
5872 case DW_CFA_GNU_args_size:
5873 ul = LEB ();
5874 if (! do_debug_frames_interp)
5875 printf (" DW_CFA_GNU_args_size: %ld\n", ul);
5876 break;
5877
5878 case DW_CFA_GNU_negative_offset_extended:
5879 reg = LEB ();
5880 l = - LEB ();
665ce1f6
L		 5881 if (frame_need_space (fc, reg) < 0)
5882 reg_prefix = bad_reg;
5883 if (! do_debug_frames_interp || *reg_prefix != '\0')
5884 printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n",
5885 reg_prefix, regname (reg, 0),
5886 l * fc->data_factor);
5887 if (*reg_prefix == '\0')
5888 {
5889 fc->col_type[reg] = DW_CFA_offset;
5890 fc->col_offset[reg] = l * fc->data_factor;
5891 }
19e6b90e
L		 5892 break;
5893
5894 default:
53b8873b
NC		 5895 if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user)
5896 printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op);
5897 else
cecf136e 5898 warn (_("unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op);
19e6b90e
L		 5899 start = block_end;
5900 }
5901 }
5902
5903 if (do_debug_frames_interp)
5904 frame_display_row (fc, &need_col_headers, &max_regs);
5905
5906 start = block_end;
604282a7 5907 eh_addr_size = saved_eh_addr_size;
19e6b90e
L		 5908 }
5909
5910 printf ("\n");
5911
5912 return 1;
5913}
5914
5915#undef GET
5916#undef LEB
5917#undef SLEB
5918
5bbdf3d5
DE		 5919static int
5920display_gdb_index (struct dwarf_section *section,
5921 void *file ATTRIBUTE_UNUSED)
5922{
5923 unsigned char *start = section->start;
5924 uint32_t version;
5925 uint32_t cu_list_offset, tu_list_offset;
5926 uint32_t address_table_offset, symbol_table_offset, constant_pool_offset;
5927 unsigned int cu_list_elements, tu_list_elements;
5928 unsigned int address_table_size, symbol_table_slots;
5929 unsigned char *cu_list, *tu_list;
5930 unsigned char *address_table, *symbol_table, *constant_pool;
5931 unsigned int i;
5932
5933 /* The documentation for the format of this file is in gdb/dwarf2read.c. */
5934
5935 printf (_("Contents of the %s section:\n"), section->name);
5936
5937 if (section->size < 6 * sizeof (uint32_t))
5938 {
5939 warn (_("Truncated header in the %s section.\n"), section->name);
5940 return 0;
5941 }
5942
5943 version = byte_get_little_endian (start, 4);
da88a764 5944 printf (_("Version %ld\n"), (long) version);
5bbdf3d5
DE		 5945
5946 /* Prior versions are obsolete, and future versions may not be
5947 backwards compatible. */
aa170720 5948 if (version < 3 || version > 8)
5bbdf3d5 5949 {
da88a764 5950 warn (_("Unsupported version %lu.\n"), (unsigned long) version);
5bbdf3d5
DE		 5951 return 0;
5952 }
8d6eee87
TT		 5953 if (version < 4)
5954 warn (_("The address table data in version 3 may be wrong.\n"));
5955 if (version < 5)
5956 warn (_("Version 4 does not support case insensitive lookups.\n"));
5957 if (version < 6)
5958 warn (_("Version 5 does not include inlined functions.\n"));
5959 if (version < 7)
5960 warn (_("Version 6 does not include symbol attributes.\n"));
aa170720
DE		 5961 /* Version 7 indices generated by Gold have bad type unit references,
5962 PR binutils/15021. But we don't know if the index was generated by
5963 Gold or not, so to avoid worrying users with gdb-generated indices
5964 we say nothing for version 7 here. */
5bbdf3d5
DE		 5965
5966 cu_list_offset = byte_get_little_endian (start + 4, 4);
5967 tu_list_offset = byte_get_little_endian (start + 8, 4);
5968 address_table_offset = byte_get_little_endian (start + 12, 4);
5969 symbol_table_offset = byte_get_little_endian (start + 16, 4);
5970 constant_pool_offset = byte_get_little_endian (start + 20, 4);
5971
5972 if (cu_list_offset > section->size
5973 || tu_list_offset > section->size
5974 || address_table_offset > section->size
5975 || symbol_table_offset > section->size
5976 || constant_pool_offset > section->size)
5977 {
5978 warn (_("Corrupt header in the %s section.\n"), section->name);
5979 return 0;
5980 }
5981
5982 cu_list_elements = (tu_list_offset - cu_list_offset) / 8;
5983 tu_list_elements = (address_table_offset - tu_list_offset) / 8;
5984 address_table_size = symbol_table_offset - address_table_offset;
5985 symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8;
5986
5987 cu_list = start + cu_list_offset;
5988 tu_list = start + tu_list_offset;
5989 address_table = start + address_table_offset;
5990 symbol_table = start + symbol_table_offset;
5991 constant_pool = start + constant_pool_offset;
5992
5993 printf (_("\nCU table:\n"));
5994 for (i = 0; i < cu_list_elements; i += 2)
5995 {
5996 uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8);
5997 uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8);
5998
5999 printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2,
6000 (unsigned long) cu_offset,
6001 (unsigned long) (cu_offset + cu_length - 1));
6002 }
6003
6004 printf (_("\nTU table:\n"));
6005 for (i = 0; i < tu_list_elements; i += 3)
6006 {
6007 uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8);
6008 uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8);
6009 uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8);
6010
6011 printf (_("[%3u] 0x%lx 0x%lx "), i / 3,
6012 (unsigned long) tu_offset,
6013 (unsigned long) type_offset);
6014 print_dwarf_vma (signature, 8);
6015 printf ("\n");
6016 }
6017
6018 printf (_("\nAddress table:\n"));
6019 for (i = 0; i < address_table_size; i += 2 * 8 + 4)
6020 {
6021 uint64_t low = byte_get_little_endian (address_table + i, 8);
6022 uint64_t high = byte_get_little_endian (address_table + i + 8, 8);
6023 uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4);
6024
6025 print_dwarf_vma (low, 8);
6026 print_dwarf_vma (high, 8);
da88a764 6027 printf (_("%lu\n"), (unsigned long) cu_index);
5bbdf3d5
DE		 6028 }
6029
6030 printf (_("\nSymbol table:\n"));
6031 for (i = 0; i < symbol_table_slots; ++i)
6032 {
6033 uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4);
6034 uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4);
6035 uint32_t num_cus, cu;
6036
6037 if (name_offset != 0
6038 || cu_vector_offset != 0)
6039 {
6040 unsigned int j;
6041
6042 printf ("[%3u] %s:", i, constant_pool + name_offset);
6043 num_cus = byte_get_little_endian (constant_pool + cu_vector_offset, 4);
8d6eee87
TT		 6044 if (num_cus > 1)
6045 printf ("\n");
5bbdf3d5
DE		 6046 for (j = 0; j < num_cus; ++j)
6047 {
7c1cef97 6048 int is_static;
8d6eee87
TT		 6049 gdb_index_symbol_kind kind;
6050
5bbdf3d5 6051 cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4);
7c1cef97 6052 is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu);
8d6eee87
TT		 6053 kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu);
6054 cu = GDB_INDEX_CU_VALUE (cu);
5bbdf3d5 6055 /* Convert to TU number if it's for a type unit. */
ad6b52dd 6056 if (cu >= cu_list_elements / 2)
8d6eee87
TT		 6057 printf ("%cT%lu", num_cus > 1 ? '\t' : ' ',
6058 (unsigned long) (cu - cu_list_elements / 2));
5bbdf3d5 6059 else
8d6eee87
TT		 6060 printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu);
6061
6062 switch (kind)
6063 {
6064 case GDB_INDEX_SYMBOL_KIND_NONE:
6065 printf (_(" [no symbol information]"));
6066 break;
6067 case GDB_INDEX_SYMBOL_KIND_TYPE:
7c1cef97
DE		 6068 printf (is_static
6069 ? _(" [static type]")
6070 : _(" [global type]"));
8d6eee87
TT		 6071 break;
6072 case GDB_INDEX_SYMBOL_KIND_VARIABLE:
7c1cef97
DE		 6073 printf (is_static
6074 ? _(" [static variable]")
6075 : _(" [global variable]"));
8d6eee87
TT		 6076 break;
6077 case GDB_INDEX_SYMBOL_KIND_FUNCTION:
7c1cef97
DE		 6078 printf (is_static
6079 ? _(" [static function]")
6080 : _(" [global function]"));
8d6eee87
TT		 6081 break;
6082 case GDB_INDEX_SYMBOL_KIND_OTHER:
7c1cef97
DE		 6083 printf (is_static
6084 ? _(" [static other]")
6085 : _(" [global other]"));
8d6eee87
TT		 6086 break;
6087 default:
7c1cef97
DE		 6088 printf (is_static
6089 ? _(" [static unknown: %d]")
6090 : _(" [global unknown: %d]"),
6091 kind);
8d6eee87
TT		 6092 break;
6093 }
6094 if (num_cus > 1)
6095 printf ("\n");
5bbdf3d5 6096 }
8d6eee87
TT		 6097 if (num_cus <= 1)
6098 printf ("\n");
5bbdf3d5
DE		 6099 }
6100 }
6101
6102 return 1;
6103}
6104
657d0d47
CC		 6105/* Pre-allocate enough space for the CU/TU sets needed. */
6106
6107static void
6108prealloc_cu_tu_list (unsigned int nshndx)
6109{
6110 if (shndx_pool == NULL)
6111 {
6112 shndx_pool_size = nshndx;
6113 shndx_pool_used = 0;
6114 shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size,
6115 sizeof (unsigned int));
6116 }
6117 else
6118 {
6119 shndx_pool_size = shndx_pool_used + nshndx;
6120 shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size,
6121 sizeof (unsigned int));
6122 }
6123}
6124
6125static void
6126add_shndx_to_cu_tu_entry (unsigned int shndx)
6127{
6128 if (shndx_pool_used >= shndx_pool_size)
6129 {
6130 error (_("Internal error: out of space in the shndx pool.\n"));
6131 return;
6132 }
6133 shndx_pool [shndx_pool_used++] = shndx;
6134}
6135
6136static void
6137end_cu_tu_entry (void)
6138{
6139 if (shndx_pool_used >= shndx_pool_size)
6140 {
6141 error (_("Internal error: out of space in the shndx pool.\n"));
6142 return;
6143 }
6144 shndx_pool [shndx_pool_used++] = 0;
6145}
6146
341f9135
CC		 6147/* Return the short name of a DWARF section given by a DW_SECT enumerator. */
6148
6149static const char *
6150get_DW_SECT_short_name (unsigned int dw_sect)
6151{
6152 static char buf[16];
6153
6154 switch (dw_sect)
6155 {
6156 case DW_SECT_INFO:
6157 return "info";
6158 case DW_SECT_TYPES:
6159 return "types";
6160 case DW_SECT_ABBREV:
6161 return "abbrev";
6162 case DW_SECT_LINE:
6163 return "line";
6164 case DW_SECT_LOC:
6165 return "loc";
6166 case DW_SECT_STR_OFFSETS:
6167 return "str_off";
6168 case DW_SECT_MACINFO:
6169 return "macinfo";
6170 case DW_SECT_MACRO:
6171 return "macro";
6172 default:
6173 break;
6174 }
6175
6176 snprintf (buf, sizeof (buf), "%d", dw_sect);
6177 return buf;
6178}
6179
6180/* Process a CU or TU index. If DO_DISPLAY is true, print the contents.
6181 These sections are extensions for Fission.
6182 See http://gcc.gnu.org/wiki/DebugFissionDWP. */
657d0d47
CC		 6183
6184static int
6185process_cu_tu_index (struct dwarf_section *section, int do_display)
6186{
6187 unsigned char *phdr = section->start;
6188 unsigned char *limit = phdr + section->size;
6189 unsigned char *phash;
6190 unsigned char *pindex;
6191 unsigned char *ppool;
6192 unsigned int version;
341f9135 6193 unsigned int ncols = 0;
657d0d47
CC		 6194 unsigned int nused;
6195 unsigned int nslots;
6196 unsigned int i;
341f9135
CC		 6197 unsigned int j;
6198 dwarf_vma signature_high;
6199 dwarf_vma signature_low;
6200 char buf[64];
657d0d47
CC		 6201
6202 version = byte_get (phdr, 4);
341f9135
CC		 6203 if (version >= 2)
6204 ncols = byte_get (phdr + 4, 4);
657d0d47
CC		 6205 nused = byte_get (phdr + 8, 4);
6206 nslots = byte_get (phdr + 12, 4);
6207 phash = phdr + 16;
6208 pindex = phash + nslots * 8;
6209 ppool = pindex + nslots * 4;
6210
657d0d47
CC		 6211 if (do_display)
6212 {
6213 printf (_("Contents of the %s section:\n\n"), section->name);
6214 printf (_(" Version: %d\n"), version);
341f9135
CC		 6215 if (version >= 2)
6216 printf (_(" Number of columns: %d\n"), ncols);
657d0d47
CC		 6217 printf (_(" Number of used entries: %d\n"), nused);
6218 printf (_(" Number of slots: %d\n\n"), nslots);
6219 }
6220
6221 if (ppool > limit)
6222 {
6223 warn (_("Section %s too small for %d hash table entries\n"),
6224 section->name, nslots);
6225 return 0;
6226 }
6227
341f9135 6228 if (version == 1)
657d0d47 6229 {
341f9135
CC		 6230 if (!do_display)
6231 prealloc_cu_tu_list ((limit - ppool) / 4);
6232 for (i = 0; i < nslots; i++)
657d0d47 6233 {
341f9135
CC		 6234 unsigned char *shndx_list;
6235 unsigned int shndx;
6236
6237 byte_get_64 (phash, &signature_high, &signature_low);
6238 if (signature_high != 0 || signature_low != 0)
657d0d47 6239 {
341f9135
CC		 6240 j = byte_get (pindex, 4);
6241 shndx_list = ppool + j * 4;
6242 if (do_display)
6243 printf (_(" [%3d] Signature: 0x%s Sections: "),
6244 i, dwarf_vmatoa64 (signature_high, signature_low,
6245 buf, sizeof (buf)));
6246 for (;;)
657d0d47 6247 {
341f9135
CC		 6248 if (shndx_list >= limit)
6249 {
6250 warn (_("Section %s too small for shndx pool\n"),
6251 section->name);
6252 return 0;
6253 }
6254 shndx = byte_get (shndx_list, 4);
6255 if (shndx == 0)
6256 break;
6257 if (do_display)
6258 printf (" %d", shndx);
6259 else
6260 add_shndx_to_cu_tu_entry (shndx);
6261 shndx_list += 4;
657d0d47 6262 }
657d0d47 6263 if (do_display)
341f9135 6264 printf ("\n");
657d0d47 6265 else
341f9135
CC		 6266 end_cu_tu_entry ();
6267 }
6268 phash += 8;
6269 pindex += 4;
6270 }
6271 }
6272 else if (version == 2)
6273 {
6274 unsigned int val;
6275 unsigned int dw_sect;
6276 unsigned char *ph = phash;
6277 unsigned char *pi = pindex;
6278 unsigned char *poffsets = ppool + ncols * 4;
6279 unsigned char *psizes = poffsets + nused * ncols * 4;
6280 unsigned char *pend = psizes + nused * ncols * 4;
6281 bfd_boolean is_tu_index;
6282 struct cu_tu_set *this_set = NULL;
6283 unsigned int row;
6284 unsigned char *prow;
6285
6286 is_tu_index = strcmp (section->name, ".debug_tu_index") == 0;
6287
6288 if (pend > limit)
6289 {
6290 warn (_("Section %s too small for offset and size tables\n"),
6291 section->name);
6292 return 0;
6293 }
6294
6295 if (do_display)
6296 {
6297 printf (_(" Offset table\n"));
6298 printf (" slot %-16s ",
6299 is_tu_index ? _("signature") : _("dwo_id"));
6300 }
6301 else
6302 {
6303 if (is_tu_index)
6304 {
6305 tu_count = nused;
6306 tu_sets = xcmalloc (nused, sizeof (struct cu_tu_set));
6307 this_set = tu_sets;
657d0d47 6308 }
657d0d47 6309 else
341f9135
CC		 6310 {
6311 cu_count = nused;
6312 cu_sets = xcmalloc (nused, sizeof (struct cu_tu_set));
6313 this_set = cu_sets;
6314 }
6315 }
6316 if (do_display)
6317 {
6318 for (j = 0; j < ncols; j++)
6319 {
6320 dw_sect = byte_get (ppool + j * 4, 4);
6321 printf (" %8s", get_DW_SECT_short_name (dw_sect));
6322 }
6323 printf ("\n");
6324 }
6325 for (i = 0; i < nslots; i++)
6326 {
6327 byte_get_64 (ph, &signature_high, &signature_low);
6328 row = byte_get (pi, 4);
6329 if (row != 0)
6330 {
6331 if (!do_display)
6332 memcpy (&this_set[row - 1].signature, ph, sizeof (uint64_t));
6333 prow = poffsets + (row - 1) * ncols * 4;
6334 if (do_display)
6335 printf (_(" [%3d] 0x%s"),
6336 i, dwarf_vmatoa64 (signature_high, signature_low,
6337 buf, sizeof (buf)));
6338 for (j = 0; j < ncols; j++)
6339 {
6340 val = byte_get (prow + j * 4, 4);
6341 if (do_display)
6342 printf (" %8d", val);
6343 else
6344 {
6345 dw_sect = byte_get (ppool + j * 4, 4);
6346 this_set [row - 1].section_offsets [dw_sect] = val;
6347 }
6348 }
6349 if (do_display)
6350 printf ("\n");
6351 }
6352 ph += 8;
6353 pi += 4;
6354 }
6355
6356 ph = phash;
6357 pi = pindex;
6358 if (do_display)
6359 {
6360 printf ("\n");
6361 printf (_(" Size table\n"));
6362 printf (" slot %-16s ",
6363 is_tu_index ? _("signature") : _("dwo_id"));
6364 }
6365 for (j = 0; j < ncols; j++)
6366 {
6367 val = byte_get (ppool + j * 4, 4);
6368 if (do_display)
6369 printf (" %8s", get_DW_SECT_short_name (val));
6370 }
6371 if (do_display)
6372 printf ("\n");
6373 for (i = 0; i < nslots; i++)
6374 {
6375 byte_get_64 (ph, &signature_high, &signature_low);
6376 row = byte_get (pi, 4);
6377 if (row != 0)
6378 {
6379 prow = psizes + (row - 1) * ncols * 4;
6380 if (do_display)
6381 printf (_(" [%3d] 0x%s"),
6382 i, dwarf_vmatoa64 (signature_high, signature_low,
6383 buf, sizeof (buf)));
6384 for (j = 0; j < ncols; j++)
6385 {
6386 val = byte_get (prow + j * 4, 4);
6387 if (do_display)
6388 printf (" %8d", val);
6389 else
6390 {
6391 dw_sect = byte_get (ppool + j * 4, 4);
6392 this_set [row - 1].section_sizes [dw_sect] = val;
6393 }
6394 }
6395 if (do_display)
6396 printf ("\n");
6397 }
6398 ph += 8;
6399 pi += 4;
657d0d47 6400 }
657d0d47 6401 }
341f9135
CC		 6402 else if (do_display)
6403 printf (_(" Unsupported version\n"));
657d0d47
CC		 6404
6405 if (do_display)
6406 printf ("\n");
6407
6408 return 1;
6409}
6410
6411/* Load the CU and TU indexes if present. This will build a list of
6412 section sets that we can use to associate a .debug_info.dwo section
6413 with its associated .debug_abbrev.dwo section in a .dwp file. */
6414
6415static void
6416load_cu_tu_indexes (void *file)
6417{
6418 /* If we have already loaded (or tried to load) the CU and TU indexes
6419 then do not bother to repeat the task. */
6420 if (cu_tu_indexes_read)
6421 return;
6422
6423 if (load_debug_section (dwp_cu_index, file))
6424 process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0);
6425
6426 if (load_debug_section (dwp_tu_index, file))
6427 process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0);
6428
6429 cu_tu_indexes_read = 1;
6430}
6431
6432/* Find the set of sections that includes section SHNDX. */
6433
6434unsigned int *
6435find_cu_tu_set (void *file, unsigned int shndx)
6436{
6437 unsigned int i;
6438
6439 load_cu_tu_indexes (file);
6440
6441 /* Find SHNDX in the shndx pool. */
6442 for (i = 0; i < shndx_pool_used; i++)
6443 if (shndx_pool [i] == shndx)
6444 break;
6445
6446 if (i >= shndx_pool_used)
6447 return NULL;
6448
6449 /* Now backup to find the first entry in the set. */
6450 while (i > 0 && shndx_pool [i - 1] != 0)
6451 i--;
6452
6453 return shndx_pool + i;
6454}
6455
6456/* Display a .debug_cu_index or .debug_tu_index section. */
6457
6458static int
6459display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED)
6460{
6461 return process_cu_tu_index (section, 1);
6462}
6463
19e6b90e
L		 6464static int
6465display_debug_not_supported (struct dwarf_section *section,
6466 void *file ATTRIBUTE_UNUSED)
6467{
6468 printf (_("Displaying the debug contents of section %s is not yet supported.\n"),
6469 section->name);
6470
6471 return 1;
6472}
6473
6474void *
6475cmalloc (size_t nmemb, size_t size)
6476{
6477 /* Check for overflow. */
6478 if (nmemb >= ~(size_t) 0 / size)
6479 return NULL;
6480 else
6481 return malloc (nmemb * size);
6482}
6483
6484void *
6485xcmalloc (size_t nmemb, size_t size)
6486{
6487 /* Check for overflow. */
6488 if (nmemb >= ~(size_t) 0 / size)
6489 return NULL;
6490 else
6491 return xmalloc (nmemb * size);
6492}
6493
6494void *
6495xcrealloc (void *ptr, size_t nmemb, size_t size)
6496{
6497 /* Check for overflow. */
6498 if (nmemb >= ~(size_t) 0 / size)
6499 return NULL;
6500 else
6501 return xrealloc (ptr, nmemb * size);
6502}
6503
19e6b90e
L		 6504void
6505free_debug_memory (void)
6506{
3f5e193b 6507 unsigned int i;
19e6b90e
L		 6508
6509 free_abbrevs ();
6510
6511 for (i = 0; i < max; i++)
3f5e193b 6512 free_debug_section ((enum dwarf_section_display_enum) i);
19e6b90e 6513
cc86f28f 6514 if (debug_information != NULL)
19e6b90e 6515 {
cc86f28f 6516 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE)
19e6b90e 6517 {
cc86f28f 6518 for (i = 0; i < num_debug_info_entries; i++)
19e6b90e 6519 {
cc86f28f
NC		 6520 if (!debug_information [i].max_loc_offsets)
6521 {
6522 free (debug_information [i].loc_offsets);
6523 free (debug_information [i].have_frame_base);
6524 }
6525 if (!debug_information [i].max_range_lists)
6526 free (debug_information [i].range_lists);
19e6b90e 6527 }
19e6b90e 6528 }
cc86f28f 6529
19e6b90e
L		 6530 free (debug_information);
6531 debug_information = NULL;
6532 num_debug_info_entries = 0;
6533 }
19e6b90e
L		 6534}
6535
4cb93e3b
TG		 6536void
6537dwarf_select_sections_by_names (const char *names)
6538{
6539 typedef struct
6540 {
6541 const char * option;
6542 int * variable;
f9f0e732 6543 int val;
4cb93e3b
TG		 6544 }
6545 debug_dump_long_opts;
6546
6547 static const debug_dump_long_opts opts_table [] =
6548 {
6549 /* Please keep this table alpha- sorted. */
6550 { "Ranges", & do_debug_ranges, 1 },
6551 { "abbrev", & do_debug_abbrevs, 1 },
657d0d47 6552 { "addr", & do_debug_addr, 1 },
4cb93e3b 6553 { "aranges", & do_debug_aranges, 1 },
657d0d47
CC		 6554 { "cu_index", & do_debug_cu_index, 1 },
6555 { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED },
4cb93e3b
TG		 6556 { "frames", & do_debug_frames, 1 },
6557 { "frames-interp", & do_debug_frames_interp, 1 },
657d0d47
CC		 6558 /* The special .gdb_index section. */
6559 { "gdb_index", & do_gdb_index, 1 },
4cb93e3b
TG		 6560 { "info", & do_debug_info, 1 },
6561 { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */
4cb93e3b
TG		 6562 { "loc", & do_debug_loc, 1 },
6563 { "macro", & do_debug_macinfo, 1 },
6564 { "pubnames", & do_debug_pubnames, 1 },
357da287 6565 { "pubtypes", & do_debug_pubtypes, 1 },
4cb93e3b
TG		 6566 /* This entry is for compatability
6567 with earlier versions of readelf. */
6568 { "ranges", & do_debug_aranges, 1 },
657d0d47 6569 { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW },
4cb93e3b 6570 { "str", & do_debug_str, 1 },
6f875884
TG		 6571 /* These trace_* sections are used by Itanium VMS. */
6572 { "trace_abbrev", & do_trace_abbrevs, 1 },
6573 { "trace_aranges", & do_trace_aranges, 1 },
6574 { "trace_info", & do_trace_info, 1 },
4cb93e3b
TG		 6575 { NULL, NULL, 0 }
6576 };
6577
6578 const char *p;
467c65bc 6579
4cb93e3b
TG		 6580 p = names;
6581 while (*p)
6582 {
6583 const debug_dump_long_opts * entry;
467c65bc 6584
4cb93e3b
TG		 6585 for (entry = opts_table; entry->option; entry++)
6586 {
6587 size_t len = strlen (entry->option);
467c65bc 6588
4cb93e3b
TG		 6589 if (strncmp (p, entry->option, len) == 0
6590 && (p[len] == ',' || p[len] == '\0'))
6591 {
6592 * entry->variable |= entry->val;
467c65bc 6593
4cb93e3b
TG		 6594 /* The --debug-dump=frames-interp option also
6595 enables the --debug-dump=frames option. */
6596 if (do_debug_frames_interp)
6597 do_debug_frames = 1;
6598
6599 p += len;
6600 break;
6601 }
6602 }
467c65bc 6603
4cb93e3b
TG		 6604 if (entry->option == NULL)
6605 {
6606 warn (_("Unrecognized debug option '%s'\n"), p);
6607 p = strchr (p, ',');
6608 if (p == NULL)
6609 break;
6610 }
467c65bc 6611
4cb93e3b
TG		 6612 if (*p == ',')
6613 p++;
6614 }
6615}
6616
6617void
6618dwarf_select_sections_by_letters (const char *letters)
6619{
91d6fa6a 6620 unsigned int lindex = 0;
4cb93e3b 6621
91d6fa6a
NC		 6622 while (letters[lindex])
6623 switch (letters[lindex++])
4cb93e3b
TG		 6624 {
6625 case 'i':
6626 do_debug_info = 1;
6627 break;
467c65bc 6628
4cb93e3b
TG		 6629 case 'a':
6630 do_debug_abbrevs = 1;
6631 break;
467c65bc 6632
4cb93e3b
TG		 6633 case 'l':
6634 do_debug_lines |= FLAG_DEBUG_LINES_RAW;
6635 break;
467c65bc 6636
4cb93e3b
TG		 6637 case 'L':
6638 do_debug_lines |= FLAG_DEBUG_LINES_DECODED;
6639 break;
467c65bc 6640
4cb93e3b
TG		 6641 case 'p':
6642 do_debug_pubnames = 1;
6643 break;
467c65bc 6644
f9f0e732
NC		 6645 case 't':
6646 do_debug_pubtypes = 1;
6647 break;
467c65bc 6648
4cb93e3b
TG		 6649 case 'r':
6650 do_debug_aranges = 1;
6651 break;
467c65bc 6652
4cb93e3b
TG		 6653 case 'R':
6654 do_debug_ranges = 1;
6655 break;
467c65bc 6656
4cb93e3b
TG		 6657 case 'F':
6658 do_debug_frames_interp = 1;
6659 case 'f':
6660 do_debug_frames = 1;
6661 break;
467c65bc 6662
4cb93e3b
TG		 6663 case 'm':
6664 do_debug_macinfo = 1;
6665 break;
467c65bc 6666
4cb93e3b
TG		 6667 case 's':
6668 do_debug_str = 1;
6669 break;
467c65bc 6670
4cb93e3b
TG		 6671 case 'o':
6672 do_debug_loc = 1;
6673 break;
467c65bc 6674
4cb93e3b
TG		 6675 default:
6676 warn (_("Unrecognized debug option '%s'\n"), optarg);
6677 break;
6678 }
6679}
6680
6681void
6682dwarf_select_sections_all (void)
6683{
6684 do_debug_info = 1;
6685 do_debug_abbrevs = 1;
6686 do_debug_lines = FLAG_DEBUG_LINES_RAW;
6687 do_debug_pubnames = 1;
f9f0e732 6688 do_debug_pubtypes = 1;
4cb93e3b
TG		 6689 do_debug_aranges = 1;
6690 do_debug_ranges = 1;
6691 do_debug_frames = 1;
6692 do_debug_macinfo = 1;
6693 do_debug_str = 1;
6694 do_debug_loc = 1;
5bbdf3d5 6695 do_gdb_index = 1;
6f875884
TG		 6696 do_trace_info = 1;
6697 do_trace_abbrevs = 1;
6698 do_trace_aranges = 1;
657d0d47
CC		 6699 do_debug_addr = 1;
6700 do_debug_cu_index = 1;
4cb93e3b
TG		 6701}
6702
19e6b90e
L		 6703struct dwarf_section_display debug_displays[] =
6704{
657d0d47 6705 { { ".debug_abbrev", ".zdebug_abbrev", NULL, NULL, 0, 0, 0 },
4723351a 6706 display_debug_abbrev, &do_debug_abbrevs, 0 },
657d0d47 6707 { { ".debug_aranges", ".zdebug_aranges", NULL, NULL, 0, 0, 0 },
4723351a 6708 display_debug_aranges, &do_debug_aranges, 1 },
657d0d47 6709 { { ".debug_frame", ".zdebug_frame", NULL, NULL, 0, 0, 0 },
4723351a
CC		 6710 display_debug_frames, &do_debug_frames, 1 },
6711 { { ".debug_info", ".zdebug_info", NULL, NULL, 0, 0, abbrev },
6712 display_debug_info, &do_debug_info, 1 },
657d0d47 6713 { { ".debug_line", ".zdebug_line", NULL, NULL, 0, 0, 0 },
4723351a 6714 display_debug_lines, &do_debug_lines, 1 },
657d0d47 6715 { { ".debug_pubnames", ".zdebug_pubnames", NULL, NULL, 0, 0, 0 },
4723351a 6716 display_debug_pubnames, &do_debug_pubnames, 0 },
657d0d47 6717 { { ".eh_frame", "", NULL, NULL, 0, 0, 0 },
4723351a 6718 display_debug_frames, &do_debug_frames, 1 },
657d0d47 6719 { { ".debug_macinfo", ".zdebug_macinfo", NULL, NULL, 0, 0, 0 },
4723351a 6720 display_debug_macinfo, &do_debug_macinfo, 0 },
657d0d47 6721 { { ".debug_macro", ".zdebug_macro", NULL, NULL, 0, 0, 0 },
4723351a 6722 display_debug_macro, &do_debug_macinfo, 1 },
657d0d47 6723 { { ".debug_str", ".zdebug_str", NULL, NULL, 0, 0, 0 },
4723351a 6724 display_debug_str, &do_debug_str, 0 },
657d0d47 6725 { { ".debug_loc", ".zdebug_loc", NULL, NULL, 0, 0, 0 },
4723351a 6726 display_debug_loc, &do_debug_loc, 1 },
657d0d47 6727 { { ".debug_pubtypes", ".zdebug_pubtypes", NULL, NULL, 0, 0, 0 },
4723351a 6728 display_debug_pubnames, &do_debug_pubtypes, 0 },
657d0d47 6729 { { ".debug_ranges", ".zdebug_ranges", NULL, NULL, 0, 0, 0 },
4723351a 6730 display_debug_ranges, &do_debug_ranges, 1 },
657d0d47 6731 { { ".debug_static_func", ".zdebug_static_func", NULL, NULL, 0, 0, 0 },
4723351a 6732 display_debug_not_supported, NULL, 0 },
657d0d47 6733 { { ".debug_static_vars", ".zdebug_static_vars", NULL, NULL, 0, 0, 0 },
4723351a
CC		 6734 display_debug_not_supported, NULL, 0 },
6735 { { ".debug_types", ".zdebug_types", NULL, NULL, 0, 0, abbrev },
6736 display_debug_types, &do_debug_info, 1 },
657d0d47 6737 { { ".debug_weaknames", ".zdebug_weaknames", NULL, NULL, 0, 0, 0 },
4723351a 6738 display_debug_not_supported, NULL, 0 },
657d0d47
CC		 6739 { { ".gdb_index", "", NULL, NULL, 0, 0, 0 },
6740 display_gdb_index, &do_gdb_index, 0 },
4723351a 6741 { { ".trace_info", "", NULL, NULL, 0, 0, trace_abbrev },
657d0d47
CC		 6742 display_trace_info, &do_trace_info, 1 },
6743 { { ".trace_abbrev", "", NULL, NULL, 0, 0, 0 },
6744 display_debug_abbrev, &do_trace_abbrevs, 0 },
6745 { { ".trace_aranges", "", NULL, NULL, 0, 0, 0 },
6746 display_debug_aranges, &do_trace_aranges, 0 },
4723351a 6747 { { ".debug_info.dwo", ".zdebug_info.dwo", NULL, NULL, 0, 0, abbrev_dwo },
657d0d47
CC		 6748 display_debug_info, &do_debug_info, 1 },
6749 { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NULL, NULL, 0, 0, 0 },
6750 display_debug_abbrev, &do_debug_abbrevs, 0 },
4723351a 6751 { { ".debug_types.dwo", ".zdebug_types.dwo", NULL, NULL, 0, 0, abbrev_dwo },
657d0d47
CC		 6752 display_debug_types, &do_debug_info, 1 },
6753 { { ".debug_line.dwo", ".zdebug_line.dwo", NULL, NULL, 0, 0, 0 },
6754 display_debug_lines, &do_debug_lines, 1 },
6755 { { ".debug_loc.dwo", ".zdebug_loc.dwo", NULL, NULL, 0, 0, 0 },
4723351a 6756 display_debug_loc, &do_debug_loc, 1 },
657d0d47 6757 { { ".debug_macro.dwo", ".zdebug_macro.dwo", NULL, NULL, 0, 0, 0 },
4723351a 6758 display_debug_macro, &do_debug_macinfo, 1 },
657d0d47 6759 { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NULL, NULL, 0, 0, 0 },
4723351a 6760 display_debug_macinfo, &do_debug_macinfo, 0 },
657d0d47
CC		 6761 { { ".debug_str.dwo", ".zdebug_str.dwo", NULL, NULL, 0, 0, 0 },
6762 display_debug_str, &do_debug_str, 1 },
6763 { { ".debug_str_offsets", ".zdebug_str_offsets", NULL, NULL, 0, 0, 0 },
4723351a 6764 display_debug_str_offsets, NULL, 0 },
657d0d47 6765 { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NULL, NULL, 0, 0, 0 },
4723351a 6766 display_debug_str_offsets, NULL, 0 },
657d0d47
CC		 6767 { { ".debug_addr", ".zdebug_addr", NULL, NULL, 0, 0, 0 },
6768 display_debug_addr, &do_debug_addr, 1 },
6769 { { ".debug_cu_index", "", NULL, NULL, 0, 0, 0 },
6770 display_cu_index, &do_debug_cu_index, 0 },
6771 { { ".debug_tu_index", "", NULL, NULL, 0, 0, 0 },
6772 display_cu_index, &do_debug_cu_index, 0 },
19e6b90e 6773};
GDB Binutils - Deliverables
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