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asan: readelf leak in hppa_process_unwind
[deliverable/binutils-gdb.git] / binutils / dwarf.c
CommitLineData
19e6b90e 1/* dwarf.c -- display DWARF contents of a BFD binary file
b3adc24a 2 Copyright (C) 2005-2020 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"
dda8d76d 31#include "filenames.h"
48467cb9 32#include "safe-ctype.h"
61364358
JK		 33#include <assert.h>
34
301a9420
AM		 35#ifdef HAVE_LIBDEBUGINFOD
36#include <elfutils/debuginfod.h>
37#endif
38
61364358
JK		 39#undef MAX
40#undef MIN
41#define MAX(a, b) ((a) > (b) ? (a) : (b))
42#define MIN(a, b) ((a) < (b) ? (a) : (b))
19e6b90e 43
18464d4d 44static const char *regname (unsigned int regno, int row);
1296bc99 45static const char *regname_internal_by_table_only (unsigned int regno);
18464d4d 46
19e6b90e
L		 47static int have_frame_base;
48static int need_base_address;
49
19e6b90e 50static unsigned int num_debug_info_entries = 0;
82b1b41b 51static unsigned int alloc_num_debug_info_entries = 0;
19e6b90e 52static debug_info *debug_information = NULL;
cc86f28f
NC		 53/* Special value for num_debug_info_entries to indicate
54 that the .debug_info section could not be loaded/parsed. */
55#define DEBUG_INFO_UNAVAILABLE (unsigned int) -1
19e6b90e 56
24841daa
NC		 57/* A .debug_info section can contain multiple links to separate
58 DWO object files. We use these structures to record these links. */
59typedef enum dwo_type
60{
61 DWO_NAME,
62 DWO_DIR,
63 DWO_ID
64} dwo_type;
65
66typedef struct dwo_info
67{
68 dwo_type type;
69 const char * value;
70 struct dwo_info * next;
71} dwo_info;
72
73static dwo_info * first_dwo_info = NULL;
74static bfd_boolean need_dwo_info;
75
76separate_info * first_separate_info = NULL;
d85bf2ba 77
77ef8654 78unsigned int eh_addr_size;
19e6b90e
L		 79
80int do_debug_info;
81int do_debug_abbrevs;
82int do_debug_lines;
83int do_debug_pubnames;
f9f0e732 84int do_debug_pubtypes;
19e6b90e
L		 85int do_debug_aranges;
86int do_debug_ranges;
87int do_debug_frames;
88int do_debug_frames_interp;
89int do_debug_macinfo;
90int do_debug_str;
91int do_debug_loc;
5bbdf3d5 92int do_gdb_index;
6f875884
TG		 93int do_trace_info;
94int do_trace_abbrevs;
95int do_trace_aranges;
657d0d47
CC		 96int do_debug_addr;
97int do_debug_cu_index;
a262ae96 98int do_wide;
dda8d76d
NC		 99int do_debug_links;
100int do_follow_links;
19e6b90e 101
fd2f0033
TT		 102int dwarf_cutoff_level = -1;
103unsigned long dwarf_start_die;
104
4723351a
CC		 105int dwarf_check = 0;
106
9f272209
AO		 107/* Convenient constant, to avoid having to cast -1 to dwarf_vma when
108 testing whether e.g. a locview list is present. */
109static const dwarf_vma vm1 = -1;
110
341f9135
CC		 111/* Collection of CU/TU section sets from .debug_cu_index and .debug_tu_index
112 sections. For version 1 package files, each set is stored in SHNDX_POOL
113 as a zero-terminated list of section indexes comprising one set of debug
114 sections from a .dwo file. */
115
341f9135
CC		 116static unsigned int *shndx_pool = NULL;
117static unsigned int shndx_pool_size = 0;
118static unsigned int shndx_pool_used = 0;
119
120/* For version 2 package files, each set contains an array of section offsets
121 and an array of section sizes, giving the offset and size of the
122 contribution from a CU or TU within one of the debug sections.
123 When displaying debug info from a package file, we need to use these
124 tables to locate the corresponding contributions to each section. */
125
126struct cu_tu_set
127{
ec1b0fbb
NC		 128 uint64_t signature;
129 dwarf_vma section_offsets[DW_SECT_MAX];
130 size_t section_sizes[DW_SECT_MAX];
341f9135
CC		 131};
132
133static int cu_count = 0;
134static int tu_count = 0;
135static struct cu_tu_set *cu_sets = NULL;
136static struct cu_tu_set *tu_sets = NULL;
137
43a444f9 138static bfd_boolean load_cu_tu_indexes (void *);
341f9135 139
ec1b0fbb
NC		 140/* An array that indicates for a given level of CU nesting whether
141 the latest DW_AT_type seen for that level was a signed type or
142 an unsigned type. */
143#define MAX_CU_NESTING (1 << 8)
144static bfd_boolean level_type_signed[MAX_CU_NESTING];
145
4cb93e3b
TG		 146/* Values for do_debug_lines. */
147#define FLAG_DEBUG_LINES_RAW 1
148#define FLAG_DEBUG_LINES_DECODED 2
149
77ef8654 150static unsigned int
f1c4cc75
RH		 151size_of_encoded_value (int encoding)
152{
153 switch (encoding & 0x7)
154 {
155 default: /* ??? */
156 case 0: return eh_addr_size;
157 case 2: return 2;
158 case 3: return 4;
159 case 4: return 8;
160 }
161}
162
163static dwarf_vma
041830e0 164get_encoded_value (unsigned char **pdata,
bad62cf5 165 int encoding,
041830e0
NC		 166 struct dwarf_section *section,
167 unsigned char * end)
f1c4cc75 168{
041830e0 169 unsigned char * data = * pdata;
6937bb54 170 unsigned int size = size_of_encoded_value (encoding);
bad62cf5 171 dwarf_vma val;
f1c4cc75 172
041830e0
NC		 173 if (data + size >= end)
174 {
175 warn (_("Encoded value extends past end of section\n"));
176 * pdata = end;
177 return 0;
178 }
179
6937bb54
NC		 180 /* PR 17512: file: 002-829853-0.004. */
181 if (size > 8)
182 {
183 warn (_("Encoded size of %d is too large to read\n"), size);
184 * pdata = end;
185 return 0;
186 }
187
0a9d414a
NC		 188 /* PR 17512: file: 1085-5603-0.004. */
189 if (size == 0)
190 {
191 warn (_("Encoded size of 0 is too small to read\n"));
192 * pdata = end;
193 return 0;
194 }
195
f1c4cc75 196 if (encoding & DW_EH_PE_signed)
bad62cf5 197 val = byte_get_signed (data, size);
f1c4cc75 198 else
bad62cf5
AM		 199 val = byte_get (data, size);
200
201 if ((encoding & 0x70) == DW_EH_PE_pcrel)
202 val += section->address + (data - section->start);
041830e0
NC		 203
204 * pdata = data + size;
bad62cf5 205 return val;
f1c4cc75
RH		 206}
207
4c219c2e
AM		 208#if defined HAVE_LONG_LONG && SIZEOF_LONG_LONG > SIZEOF_LONG
209# ifndef __MINGW32__
210# define DWARF_VMA_FMT "ll"
211# define DWARF_VMA_FMT_LONG "%16.16llx"
212# else
213# define DWARF_VMA_FMT "I64"
214# define DWARF_VMA_FMT_LONG "%016I64x"
215# endif
2e14fae2 216#else
4c219c2e
AM		 217# define DWARF_VMA_FMT "l"
218# define DWARF_VMA_FMT_LONG "%16.16lx"
2d9472a2
NC		 219#endif
220
bf5117e3
NC		 221/* Convert a dwarf vma value into a string. Returns a pointer to a static
222 buffer containing the converted VALUE. The value is converted according
223 to the printf formating character FMTCH. If NUM_BYTES is non-zero then
224 it specifies the maximum number of bytes to be displayed in the converted
225 value and FMTCH is ignored - hex is always used. */
467c65bc 226
47704ddf 227static const char *
bf5117e3 228dwarf_vmatoa_1 (const char *fmtch, dwarf_vma value, unsigned num_bytes)
47704ddf
KT		 229{
230 /* As dwarf_vmatoa is used more then once in a printf call
231 for output, we are cycling through an fixed array of pointers
232 for return address. */
233 static int buf_pos = 0;
467c65bc
NC		 234 static struct dwarf_vmatoa_buf
235 {
47704ddf
KT		 236 char place[64];
237 } buf[16];
47704ddf
KT		 238 char *ret;
239
47704ddf 240 ret = buf[buf_pos++].place;
467c65bc 241 buf_pos %= ARRAY_SIZE (buf);
47704ddf 242
bf5117e3
NC		 243 if (num_bytes)
244 {
222c2bf0 245 /* Printf does not have a way of specifying a maximum field width for an
bf5117e3
NC		 246 integer value, so we print the full value into a buffer and then select
247 the precision we need. */
248 snprintf (ret, sizeof (buf[0].place), DWARF_VMA_FMT_LONG, value);
249 if (num_bytes > 8)
250 num_bytes = 8;
251 return ret + (16 - 2 * num_bytes);
252 }
253 else
254 {
255 char fmt[32];
256
0bae9e9e
NC		 257 if (fmtch)
258 sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch);
259 else
260 sprintf (fmt, "%%%s", DWARF_VMA_FMT);
bf5117e3
NC		 261 snprintf (ret, sizeof (buf[0].place), fmt, value);
262 return ret;
263 }
264}
47704ddf 265
bf5117e3
NC		 266static inline const char *
267dwarf_vmatoa (const char * fmtch, dwarf_vma value)
268{
269 return dwarf_vmatoa_1 (fmtch, value, 0);
270}
271
272/* Print a dwarf_vma value (typically an address, offset or length) in
273 hexadecimal format, followed by a space. The length of the VALUE (and
274 hence the precision displayed) is determined by the NUM_BYTES parameter. */
275
276static void
277print_dwarf_vma (dwarf_vma value, unsigned num_bytes)
278{
279 printf ("%s ", dwarf_vmatoa_1 (NULL, value, num_bytes));
47704ddf
KT		 280}
281
9f272209
AO		 282/* Print a view number in hexadecimal value, with the same width
283 print_dwarf_vma would have printed it with the same num_bytes.
284 Print blanks for zero view, unless force is nonzero. */
285
286static void
287print_dwarf_view (dwarf_vma value, unsigned num_bytes, int force)
288{
289 int len;
290 if (!num_bytes)
291 len = 4;
292 else
293 len = num_bytes * 2;
294
295 assert (value == (unsigned long) value);
296 if (value || force)
297 printf ("v%0*lx ", len - 1, (unsigned long) value);
298 else
299 printf ("%*s", len + 1, "");
300}
301
74bc6052
CC		 302/* Format a 64-bit value, given as two 32-bit values, in hex.
303 For reentrancy, this uses a buffer provided by the caller. */
304
305static const char *
306dwarf_vmatoa64 (dwarf_vma hvalue, dwarf_vma lvalue, char *buf,
307 unsigned int buf_len)
308{
309 int len = 0;
310
311 if (hvalue == 0)
312 snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", lvalue);
313 else
314 {
315 len = snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", hvalue);
316 snprintf (buf + len, buf_len - len,
317 "%08" DWARF_VMA_FMT "x", lvalue);
318 }
319
320 return buf;
321}
322
f6f0e17b
NC		 323/* Read in a LEB128 encoded value starting at address DATA.
324 If SIGN is true, return a signed LEB128 value.
325 If LENGTH_RETURN is not NULL, return in it the number of bytes read.
cd30bcef
AM		 326 If STATUS_RETURN in not NULL, return with bit 0 (LSB) set if the
327 terminating byte was not found and with bit 1 set if the value
328 overflows a dwarf_vma.
f6f0e17b
NC		 329 No bytes will be read at address END or beyond. */
330
467c65bc 331dwarf_vma
f6f0e17b 332read_leb128 (unsigned char *data,
cd30bcef 333 const unsigned char *const end,
f6f0e17b 334 bfd_boolean sign,
cd30bcef
AM		 335 unsigned int *length_return,
336 int *status_return)
19e6b90e 337{
467c65bc 338 dwarf_vma result = 0;
19e6b90e
L		 339 unsigned int num_read = 0;
340 unsigned int shift = 0;
cd30bcef 341 int status = 1;
19e6b90e 342
f6f0e17b 343 while (data < end)
19e6b90e 344 {
cd30bcef 345 unsigned char byte = *data++;
19e6b90e
L		 346 num_read++;
347
cd30bcef
AM		 348 if (shift < sizeof (result) * 8)
349 {
350 result |= ((dwarf_vma) (byte & 0x7f)) << shift;
351 if ((result >> shift) != (byte & 0x7f))
352 /* Overflow. */
353 status |= 2;
354 shift += 7;
355 }
356 else if ((byte & 0x7f) != 0)
357 status |= 2;
19e6b90e 358
f6f0e17b 359 if ((byte & 0x80) == 0)
cd30bcef
AM		 360 {
361 status &= ~1;
362 if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40))
363 result |= -((dwarf_vma) 1 << shift);
364 break;
365 }
19e6b90e 366 }
19e6b90e
L		 367
368 if (length_return != NULL)
369 *length_return = num_read;
cd30bcef
AM		 370 if (status_return != NULL)
371 *status_return = status;
19e6b90e
L		 372
373 return result;
374}
375
d11ae95e
NC		 376/* Read AMOUNT bytes from PTR and store them in VAL as an unsigned value.
377 Checks to make sure that the read will not reach or pass END
378 and that VAL is big enough to hold AMOUNT bytes. */
0c588247
NC		 379#define SAFE_BYTE_GET(VAL, PTR, AMOUNT, END) \
380 do \
381 { \
382 unsigned int amount = (AMOUNT); \
34b9f729
NC		 383 if (sizeof (VAL) < amount) \
384 { \
d3a49aa8
AM		 385 error (ngettext ("internal error: attempt to read %d byte " \
386 "of data in to %d sized variable", \
387 "internal error: attempt to read %d bytes " \
388 "of data in to %d sized variable", \
389 amount), \
34b9f729
NC		 390 amount, (int) sizeof (VAL)); \
391 amount = sizeof (VAL); \
392 } \
0c588247
NC		 393 if (((PTR) + amount) >= (END)) \
394 { \
395 if ((PTR) < (END)) \
396 amount = (END) - (PTR); \
397 else \
398 amount = 0; \
399 } \
6937bb54 400 if (amount == 0 || amount > 8) \
0c588247 401 VAL = 0; \
6937bb54
NC		 402 else \
403 VAL = byte_get ((PTR), amount); \
0c588247
NC		 404 } \
405 while (0)
406
d11ae95e 407/* Like SAFE_BYTE_GET, but also increments PTR by AMOUNT. */
0c588247
NC		 408#define SAFE_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \
409 do \
410 { \
411 SAFE_BYTE_GET (VAL, PTR, AMOUNT, END); \
412 PTR += AMOUNT; \
413 } \
414 while (0)
415
d11ae95e 416/* Like SAFE_BYTE_GET, but reads a signed value. */
0c588247
NC		 417#define SAFE_SIGNED_BYTE_GET(VAL, PTR, AMOUNT, END) \
418 do \
419 { \
420 unsigned int amount = (AMOUNT); \
421 if (((PTR) + amount) >= (END)) \
422 { \
423 if ((PTR) < (END)) \
424 amount = (END) - (PTR); \
425 else \
426 amount = 0; \
427 } \
428 if (amount) \
429 VAL = byte_get_signed ((PTR), amount); \
430 else \
431 VAL = 0; \
432 } \
433 while (0)
434
d11ae95e 435/* Like SAFE_SIGNED_BYTE_GET, but also increments PTR by AMOUNT. */
0c588247
NC		 436#define SAFE_SIGNED_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \
437 do \
438 { \
439 SAFE_SIGNED_BYTE_GET (VAL, PTR, AMOUNT, END); \
440 PTR += AMOUNT; \
441 } \
442 while (0)
443
444#define SAFE_BYTE_GET64(PTR, HIGH, LOW, END) \
445 do \
446 { \
87bc83b3 447 if (((PTR) + 8) <= (END)) \
0c588247
NC		 448 { \
449 byte_get_64 ((PTR), (HIGH), (LOW)); \
450 } \
451 else \
452 { \
0c588247
NC		 453 * (LOW) = * (HIGH) = 0; \
454 } \
455 } \
456 while (0)
457
19e6b90e
L		 458typedef struct State_Machine_Registers
459{
467c65bc 460 dwarf_vma address;
ba8826a8 461 unsigned int view;
19e6b90e
L		 462 unsigned int file;
463 unsigned int line;
464 unsigned int column;
465 int is_stmt;
466 int basic_block;
a233b20c
JJ		 467 unsigned char op_index;
468 unsigned char end_sequence;
ba8826a8
AO		 469 /* This variable hold the number of the last entry seen
470 in the File Table. */
19e6b90e
L		 471 unsigned int last_file_entry;
472} SMR;
473
474static SMR state_machine_regs;
475
476static void
477reset_state_machine (int is_stmt)
478{
479 state_machine_regs.address = 0;
ba8826a8 480 state_machine_regs.view = 0;
a233b20c 481 state_machine_regs.op_index = 0;
19e6b90e
L		 482 state_machine_regs.file = 1;
483 state_machine_regs.line = 1;
484 state_machine_regs.column = 0;
485 state_machine_regs.is_stmt = is_stmt;
486 state_machine_regs.basic_block = 0;
487 state_machine_regs.end_sequence = 0;
488 state_machine_regs.last_file_entry = 0;
489}
490
491/* Handled an extend line op.
492 Returns the number of bytes read. */
493
cd30bcef 494static size_t
f6f0e17b
NC		 495process_extended_line_op (unsigned char * data,
496 int is_stmt,
497 unsigned char * end)
19e6b90e
L		 498{
499 unsigned char op_code;
cd30bcef 500 size_t len, header_len;
19e6b90e 501 unsigned char *name;
143a3db0 502 unsigned char *orig_data = data;
cd30bcef 503 dwarf_vma adr, val;
19e6b90e 504
cd30bcef
AM		 505 READ_ULEB (len, data, end);
506 header_len = data - orig_data;
19e6b90e 507
cd30bcef 508 if (len == 0 || data == end || len > (size_t) (end - data))
19e6b90e 509 {
f41e4712 510 warn (_("Badly formed extended line op encountered!\n"));
cd30bcef 511 return header_len;
19e6b90e
L		 512 }
513
19e6b90e
L		 514 op_code = *data++;
515
516 printf (_(" Extended opcode %d: "), op_code);
517
518 switch (op_code)
519 {
520 case DW_LNE_end_sequence:
521 printf (_("End of Sequence\n\n"));
522 reset_state_machine (is_stmt);
523 break;
524
525 case DW_LNE_set_address:
6937bb54 526 /* PR 17512: file: 002-100480-0.004. */
cd30bcef 527 if (len - 1 > 8)
77ef8654 528 {
cd30bcef
AM		 529 warn (_("Length (%lu) of DW_LNE_set_address op is too long\n"),
530 (unsigned long) len - 1);
77ef8654
NC		 531 adr = 0;
532 }
533 else
cd30bcef 534 SAFE_BYTE_GET (adr, data, len - 1, end);
47704ddf 535 printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr));
19e6b90e 536 state_machine_regs.address = adr;
ba8826a8 537 state_machine_regs.view = 0;
a233b20c 538 state_machine_regs.op_index = 0;
19e6b90e
L		 539 break;
540
541 case DW_LNE_define_file:
143a3db0 542 printf (_("define new File Table entry\n"));
19e6b90e 543 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
cc5914eb 544 printf (" %d\t", ++state_machine_regs.last_file_entry);
f6f0e17b 545
d949ff56
NC		 546 {
547 size_t l;
548
549 name = data;
550 l = strnlen ((char *) data, end - data);
cd30bcef
AM		 551 data += l + 1;
552 READ_ULEB (val, data, end);
553 printf ("%s\t", dwarf_vmatoa ("u", val));
554 READ_ULEB (val, data, end);
555 printf ("%s\t", dwarf_vmatoa ("u", val));
556 READ_ULEB (val, data, end);
557 printf ("%s\t", dwarf_vmatoa ("u", val));
d949ff56
NC		 558 printf ("%.*s\n\n", (int) l, name);
559 }
f6f0e17b 560
cd30bcef 561 if (((size_t) (data - orig_data) != len + header_len) || data == end)
b4eb7656 562 warn (_("DW_LNE_define_file: Bad opcode length\n"));
19e6b90e
L		 563 break;
564
ed4a4bdf 565 case DW_LNE_set_discriminator:
cd30bcef
AM		 566 READ_ULEB (val, data, end);
567 printf (_("set Discriminator to %s\n"), dwarf_vmatoa ("u", val));
ed4a4bdf
CC		 568 break;
569
e2a0d921
NC		 570 /* HP extensions. */
571 case DW_LNE_HP_negate_is_UV_update:
ed4a4bdf 572 printf ("DW_LNE_HP_negate_is_UV_update\n");
e2a0d921
NC		 573 break;
574 case DW_LNE_HP_push_context:
ed4a4bdf 575 printf ("DW_LNE_HP_push_context\n");
e2a0d921
NC		 576 break;
577 case DW_LNE_HP_pop_context:
ed4a4bdf 578 printf ("DW_LNE_HP_pop_context\n");
e2a0d921
NC		 579 break;
580 case DW_LNE_HP_set_file_line_column:
ed4a4bdf 581 printf ("DW_LNE_HP_set_file_line_column\n");
e2a0d921
NC		 582 break;
583 case DW_LNE_HP_set_routine_name:
ed4a4bdf 584 printf ("DW_LNE_HP_set_routine_name\n");
e2a0d921
NC		 585 break;
586 case DW_LNE_HP_set_sequence:
ed4a4bdf 587 printf ("DW_LNE_HP_set_sequence\n");
e2a0d921
NC		 588 break;
589 case DW_LNE_HP_negate_post_semantics:
ed4a4bdf 590 printf ("DW_LNE_HP_negate_post_semantics\n");
e2a0d921
NC		 591 break;
592 case DW_LNE_HP_negate_function_exit:
ed4a4bdf 593 printf ("DW_LNE_HP_negate_function_exit\n");
e2a0d921
NC		 594 break;
595 case DW_LNE_HP_negate_front_end_logical:
ed4a4bdf 596 printf ("DW_LNE_HP_negate_front_end_logical\n");
e2a0d921
NC		 597 break;
598 case DW_LNE_HP_define_proc:
ed4a4bdf 599 printf ("DW_LNE_HP_define_proc\n");
e2a0d921 600 break;
43294ab7
TG		 601 case DW_LNE_HP_source_file_correlation:
602 {
cd30bcef 603 unsigned char *edata = data + len - 1;
b4eb7656
AM		 604
605 printf ("DW_LNE_HP_source_file_correlation\n");
606
607 while (data < edata)
608 {
609 unsigned int opc;
610
cd30bcef 611 READ_ULEB (opc, data, edata);
b4eb7656
AM		 612
613 switch (opc)
614 {
615 case DW_LNE_HP_SFC_formfeed:
616 printf (" DW_LNE_HP_SFC_formfeed\n");
617 break;
618 case DW_LNE_HP_SFC_set_listing_line:
cd30bcef 619 READ_ULEB (val, data, edata);
b4eb7656 620 printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n",
cd30bcef 621 dwarf_vmatoa ("u", val));
b4eb7656
AM		 622 break;
623 case DW_LNE_HP_SFC_associate:
624 printf (" DW_LNE_HP_SFC_associate ");
cd30bcef
AM		 625 READ_ULEB (val, data, edata);
626 printf ("(%s", dwarf_vmatoa ("u", val));
627 READ_ULEB (val, data, edata);
628 printf (",%s", dwarf_vmatoa ("u", val));
629 READ_ULEB (val, data, edata);
630 printf (",%s)\n", dwarf_vmatoa ("u", val));
b4eb7656
AM		 631 break;
632 default:
633 printf (_(" UNKNOWN DW_LNE_HP_SFC opcode (%u)\n"), opc);
634 data = edata;
635 break;
636 }
637 }
43294ab7
TG		 638 }
639 break;
cecf136e 640
19e6b90e 641 default:
7e665af3 642 {
cd30bcef 643 unsigned int rlen = len - 1;
b4eb7656
AM		 644
645 if (op_code >= DW_LNE_lo_user
646 /* The test against DW_LNW_hi_user is redundant due to
647 the limited range of the unsigned char data type used
648 for op_code. */
649 /*&& op_code <= DW_LNE_hi_user*/)
650 printf (_("user defined: "));
651 else
652 printf (_("UNKNOWN: "));
653 printf (_("length %d ["), rlen);
654 for (; rlen; rlen--)
655 printf (" %02x", *data++);
656 printf ("]\n");
7e665af3 657 }
19e6b90e
L		 658 break;
659 }
660
cd30bcef 661 return len + header_len;
19e6b90e
L		 662}
663
0c588247 664static const unsigned char *
467c65bc 665fetch_indirect_string (dwarf_vma offset)
19e6b90e
L		 666{
667 struct dwarf_section *section = &debug_displays [str].section;
d949ff56 668 const unsigned char * ret;
19e6b90e
L		 669
670 if (section->start == NULL)
0c588247 671 return (const unsigned char *) _("<no .debug_str section>");
19e6b90e 672
d949ff56 673 if (offset >= section->size)
19e6b90e 674 {
467c65bc
NC		 675 warn (_("DW_FORM_strp offset too big: %s\n"),
676 dwarf_vmatoa ("x", offset));
0c588247 677 return (const unsigned char *) _("<offset is too big>");
19e6b90e
L		 678 }
679
d949ff56
NC		 680 ret = section->start + offset;
681 /* Unfortunately we cannot rely upon the .debug_str section ending with a
682 NUL byte. Since our caller is expecting to receive a well formed C
683 string we test for the lack of a terminating byte here. */
684 if (strnlen ((const char *) ret, section->size - offset)
685 == section->size - offset)
686 ret = (const unsigned char *)
687 _("<no NUL byte at end of .debug_str section>");
688
689 return ret;
19e6b90e
L		 690}
691
77145576
JK		 692static const unsigned char *
693fetch_indirect_line_string (dwarf_vma offset)
694{
695 struct dwarf_section *section = &debug_displays [line_str].section;
d949ff56 696 const unsigned char * ret;
77145576
JK		 697
698 if (section->start == NULL)
699 return (const unsigned char *) _("<no .debug_line_str section>");
700
d949ff56 701 if (offset >= section->size)
77145576
JK		 702 {
703 warn (_("DW_FORM_line_strp offset too big: %s\n"),
704 dwarf_vmatoa ("x", offset));
705 return (const unsigned char *) _("<offset is too big>");
706 }
707
d949ff56
NC		 708 ret = section->start + offset;
709 /* Unfortunately we cannot rely upon the .debug_line_str section ending
710 with a NUL byte. Since our caller is expecting to receive a well formed
711 C string we test for the lack of a terminating byte here. */
712 if (strnlen ((const char *) ret, section->size - offset)
713 == section->size - offset)
714 ret = (const unsigned char *)
715 _("<no NUL byte at end of .debug_line_str section>");
716
717 return ret;
77145576
JK		 718}
719
4723351a 720static const char *
341f9135 721fetch_indexed_string (dwarf_vma idx, struct cu_tu_set *this_set,
d85bf2ba 722 dwarf_vma offset_size, bfd_boolean dwo)
4723351a
CC		 723{
724 enum dwarf_section_display_enum str_sec_idx = dwo ? str_dwo : str;
725 enum dwarf_section_display_enum idx_sec_idx = dwo ? str_index_dwo : str_index;
726 struct dwarf_section *index_section = &debug_displays [idx_sec_idx].section;
727 struct dwarf_section *str_section = &debug_displays [str_sec_idx].section;
728 dwarf_vma index_offset = idx * offset_size;
729 dwarf_vma str_offset;
d949ff56 730 const char * ret;
4723351a
CC		 731
732 if (index_section->start == NULL)
733 return (dwo ? _("<no .debug_str_offsets.dwo section>")
734 : _("<no .debug_str_offsets section>"));
735
341f9135
CC		 736 if (this_set != NULL)
737 index_offset += this_set->section_offsets [DW_SECT_STR_OFFSETS];
d949ff56 738 if (index_offset >= index_section->size)
4723351a
CC		 739 {
740 warn (_("DW_FORM_GNU_str_index offset too big: %s\n"),
741 dwarf_vmatoa ("x", index_offset));
742 return _("<index offset is too big>");
743 }
744
745 if (str_section->start == NULL)
746 return (dwo ? _("<no .debug_str.dwo section>")
747 : _("<no .debug_str section>"));
748
749 str_offset = byte_get (index_section->start + index_offset, offset_size);
750 str_offset -= str_section->address;
d949ff56 751 if (str_offset >= str_section->size)
4723351a
CC		 752 {
753 warn (_("DW_FORM_GNU_str_index indirect offset too big: %s\n"),
754 dwarf_vmatoa ("x", str_offset));
755 return _("<indirect index offset is too big>");
756 }
757
d949ff56
NC		 758 ret = (const char *) str_section->start + str_offset;
759 /* Unfortunately we cannot rely upon str_section ending with a NUL byte.
760 Since our caller is expecting to receive a well formed C string we test
761 for the lack of a terminating byte here. */
762 if (strnlen (ret, str_section->size - str_offset)
763 == str_section->size - str_offset)
764 ret = (const char *) _("<no NUL byte at end of section>");
765
766 return ret;
4723351a
CC		 767}
768
769static const char *
770fetch_indexed_value (dwarf_vma offset, dwarf_vma bytes)
771{
772 struct dwarf_section *section = &debug_displays [debug_addr].section;
773
774 if (section->start == NULL)
775 return (_("<no .debug_addr section>"));
776
777 if (offset + bytes > section->size)
778 {
779 warn (_("Offset into section %s too big: %s\n"),
b4eb7656 780 section->name, dwarf_vmatoa ("x", offset));
4723351a
CC		 781 return "<offset too big>";
782 }
783
784 return dwarf_vmatoa ("x", byte_get (section->start + offset, bytes));
785}
786
787
19e6b90e
L		 788/* FIXME: There are better and more efficient ways to handle
789 these structures. For now though, I just want something that
790 is simple to implement. */
791typedef struct abbrev_attr
792{
793 unsigned long attribute;
794 unsigned long form;
77145576 795 bfd_signed_vma implicit_const;
19e6b90e
L		 796 struct abbrev_attr *next;
797}
798abbrev_attr;
799
800typedef struct abbrev_entry
801{
802 unsigned long entry;
803 unsigned long tag;
804 int children;
805 struct abbrev_attr *first_attr;
806 struct abbrev_attr *last_attr;
807 struct abbrev_entry *next;
808}
809abbrev_entry;
810
811static abbrev_entry *first_abbrev = NULL;
812static abbrev_entry *last_abbrev = NULL;
813
814static void
815free_abbrevs (void)
816{
91d6fa6a 817 abbrev_entry *abbrv;
19e6b90e 818
91d6fa6a 819 for (abbrv = first_abbrev; abbrv;)
19e6b90e 820 {
91d6fa6a 821 abbrev_entry *next_abbrev = abbrv->next;
19e6b90e
L		 822 abbrev_attr *attr;
823
91d6fa6a 824 for (attr = abbrv->first_attr; attr;)
19e6b90e 825 {
91d6fa6a 826 abbrev_attr *next_attr = attr->next;
19e6b90e
L		 827
828 free (attr);
91d6fa6a 829 attr = next_attr;
19e6b90e
L		 830 }
831
91d6fa6a
NC		 832 free (abbrv);
833 abbrv = next_abbrev;
19e6b90e
L		 834 }
835
836 last_abbrev = first_abbrev = NULL;
837}
838
839static void
840add_abbrev (unsigned long number, unsigned long tag, int children)
841{
842 abbrev_entry *entry;
843
3f5e193b 844 entry = (abbrev_entry *) malloc (sizeof (*entry));
19e6b90e
L		 845 if (entry == NULL)
846 /* ugg */
847 return;
848
849 entry->entry = number;
850 entry->tag = tag;
851 entry->children = children;
852 entry->first_attr = NULL;
853 entry->last_attr = NULL;
854 entry->next = NULL;
855
856 if (first_abbrev == NULL)
857 first_abbrev = entry;
858 else
859 last_abbrev->next = entry;
860
861 last_abbrev = entry;
862}
863
864static void
77145576
JK		 865add_abbrev_attr (unsigned long attribute, unsigned long form,
866 bfd_signed_vma implicit_const)
19e6b90e
L		 867{
868 abbrev_attr *attr;
869
3f5e193b 870 attr = (abbrev_attr *) malloc (sizeof (*attr));
19e6b90e
L		 871 if (attr == NULL)
872 /* ugg */
873 return;
874
875 attr->attribute = attribute;
876 attr->form = form;
77145576 877 attr->implicit_const = implicit_const;
19e6b90e
L		 878 attr->next = NULL;
879
880 if (last_abbrev->first_attr == NULL)
881 last_abbrev->first_attr = attr;
882 else
883 last_abbrev->last_attr->next = attr;
884
885 last_abbrev->last_attr = attr;
886}
887
888/* Processes the (partial) contents of a .debug_abbrev section.
889 Returns NULL if the end of the section was encountered.
890 Returns the address after the last byte read if the end of
891 an abbreviation set was found. */
892
893static unsigned char *
894process_abbrev_section (unsigned char *start, unsigned char *end)
895{
896 if (first_abbrev != NULL)
897 return NULL;
898
899 while (start < end)
900 {
19e6b90e
L		 901 unsigned long entry;
902 unsigned long tag;
903 unsigned long attribute;
904 int children;
905
cd30bcef 906 READ_ULEB (entry, start, end);
19e6b90e
L		 907
908 /* A single zero is supposed to end the section according
909 to the standard. If there's more, then signal that to
910 the caller. */
f6f0e17b
NC		 911 if (start == end)
912 return NULL;
19e6b90e 913 if (entry == 0)
f6f0e17b 914 return start;
19e6b90e 915
cd30bcef 916 READ_ULEB (tag, start, end);
f6f0e17b
NC		 917 if (start == end)
918 return NULL;
19e6b90e
L		 919
920 children = *start++;
921
922 add_abbrev (entry, tag, children);
923
924 do
925 {
926 unsigned long form;
77145576
JK		 927 /* Initialize it due to a false compiler warning. */
928 bfd_signed_vma implicit_const = -1;
19e6b90e 929
cd30bcef 930 READ_ULEB (attribute, start, end);
f6f0e17b
NC		 931 if (start == end)
932 break;
19e6b90e 933
cd30bcef 934 READ_ULEB (form, start, end);
f6f0e17b
NC		 935 if (start == end)
936 break;
19e6b90e 937
77145576
JK		 938 if (form == DW_FORM_implicit_const)
939 {
cd30bcef 940 READ_SLEB (implicit_const, start, end);
77145576
JK		 941 if (start == end)
942 break;
943 }
944
945 add_abbrev_attr (attribute, form, implicit_const);
19e6b90e
L		 946 }
947 while (attribute != 0);
948 }
949
399c99f7
L		 950 /* Report the missing single zero which ends the section. */
951 error (_(".debug_abbrev section not zero terminated\n"));
952
19e6b90e
L		 953 return NULL;
954}
955
a19c41a7 956static const char *
19e6b90e
L		 957get_TAG_name (unsigned long tag)
958{
04914e37 959 const char *name = get_DW_TAG_name ((unsigned int) tag);
a19c41a7
TT		 960
961 if (name == NULL)
19e6b90e 962 {
a19c41a7 963 static char buffer[100];
19e6b90e 964
04914e37
NC		 965 if (tag >= DW_TAG_lo_user && tag <= DW_TAG_hi_user)
966 snprintf (buffer, sizeof (buffer), _("User TAG value: %#lx"), tag);
967 else
968 snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %#lx"), tag);
a19c41a7 969 return buffer;
19e6b90e 970 }
a19c41a7
TT		 971
972 return name;
19e6b90e
L		 973}
974
a19c41a7 975static const char *
19e6b90e
L		 976get_FORM_name (unsigned long form)
977{
399c99f7 978 const char *name;
bf5117e3 979
399c99f7
L		 980 if (form == 0)
981 return "DW_FORM value: 0";
a19c41a7 982
399c99f7 983 name = get_DW_FORM_name (form);
a19c41a7 984 if (name == NULL)
19e6b90e 985 {
a19c41a7 986 static char buffer[100];
19e6b90e 987
a19c41a7
TT		 988 snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form);
989 return buffer;
19e6b90e 990 }
a19c41a7
TT		 991
992 return name;
19e6b90e
L		 993}
994
61364358
JK		 995static const char *
996get_IDX_name (unsigned long idx)
997{
998 const char *name = get_DW_IDX_name ((unsigned int) idx);
999
1000 if (name == NULL)
1001 {
1002 static char buffer[100];
1003
1004 snprintf (buffer, sizeof (buffer), _("Unknown IDX value: %lx"), idx);
1005 return buffer;
1006 }
1007
1008 return name;
1009}
1010
19e6b90e 1011static unsigned char *
0c588247
NC		 1012display_block (unsigned char *data,
1013 dwarf_vma length,
ef0b5f1c 1014 const unsigned char * const end, char delimiter)
19e6b90e 1015{
0c588247
NC		 1016 dwarf_vma maxlen;
1017
ef0b5f1c 1018 printf (_("%c%s byte block: "), delimiter, dwarf_vmatoa ("u", length));
a1165289
NC		 1019 if (data > end)
1020 return (unsigned char *) end;
19e6b90e 1021
0c588247
NC		 1022 maxlen = (dwarf_vma) (end - data);
1023 length = length > maxlen ? maxlen : length;
1024
19e6b90e
L		 1025 while (length --)
1026 printf ("%lx ", (unsigned long) byte_get (data++, 1));
1027
1028 return data;
1029}
1030
1031static int
1032decode_location_expression (unsigned char * data,
1033 unsigned int pointer_size,
b7807392
JJ		 1034 unsigned int offset_size,
1035 int dwarf_version,
467c65bc
NC		 1036 dwarf_vma length,
1037 dwarf_vma cu_offset,
f1c4cc75 1038 struct dwarf_section * section)
19e6b90e
L		 1039{
1040 unsigned op;
467c65bc 1041 dwarf_vma uvalue;
0c588247 1042 dwarf_signed_vma svalue;
19e6b90e
L		 1043 unsigned char *end = data + length;
1044 int need_frame_base = 0;
1045
1046 while (data < end)
1047 {
1048 op = *data++;
1049
1050 switch (op)
1051 {
1052 case DW_OP_addr:
0c588247
NC		 1053 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1054 printf ("DW_OP_addr: %s", dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 1055 break;
1056 case DW_OP_deref:
1057 printf ("DW_OP_deref");
1058 break;
1059 case DW_OP_const1u:
0c588247
NC		 1060 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1061 printf ("DW_OP_const1u: %lu", (unsigned long) uvalue);
19e6b90e
L		 1062 break;
1063 case DW_OP_const1s:
0c588247
NC		 1064 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 1, end);
1065 printf ("DW_OP_const1s: %ld", (long) svalue);
19e6b90e
L		 1066 break;
1067 case DW_OP_const2u:
87bc83b3 1068 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
0c588247 1069 printf ("DW_OP_const2u: %lu", (unsigned long) uvalue);
19e6b90e
L		 1070 break;
1071 case DW_OP_const2s:
0c588247
NC		 1072 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1073 printf ("DW_OP_const2s: %ld", (long) svalue);
19e6b90e
L		 1074 break;
1075 case DW_OP_const4u:
0c588247
NC		 1076 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1077 printf ("DW_OP_const4u: %lu", (unsigned long) uvalue);
19e6b90e
L		 1078 break;
1079 case DW_OP_const4s:
0c588247
NC		 1080 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1081 printf ("DW_OP_const4s: %ld", (long) svalue);
19e6b90e
L		 1082 break;
1083 case DW_OP_const8u:
0c588247
NC		 1084 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1085 printf ("DW_OP_const8u: %lu ", (unsigned long) uvalue);
1086 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1087 printf ("%lu", (unsigned long) uvalue);
19e6b90e
L		 1088 break;
1089 case DW_OP_const8s:
0c588247
NC		 1090 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1091 printf ("DW_OP_const8s: %ld ", (long) svalue);
1092 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1093 printf ("%ld", (long) svalue);
19e6b90e
L		 1094 break;
1095 case DW_OP_constu:
cd30bcef
AM		 1096 READ_ULEB (uvalue, data, end);
1097 printf ("DW_OP_constu: %s", dwarf_vmatoa ("u", uvalue));
19e6b90e
L		 1098 break;
1099 case DW_OP_consts:
cd30bcef
AM		 1100 READ_SLEB (svalue, data, end);
1101 printf ("DW_OP_consts: %s", dwarf_vmatoa ("d", svalue));
19e6b90e
L		 1102 break;
1103 case DW_OP_dup:
1104 printf ("DW_OP_dup");
1105 break;
1106 case DW_OP_drop:
1107 printf ("DW_OP_drop");
1108 break;
1109 case DW_OP_over:
1110 printf ("DW_OP_over");
1111 break;
1112 case DW_OP_pick:
0c588247
NC		 1113 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1114 printf ("DW_OP_pick: %ld", (unsigned long) uvalue);
19e6b90e
L		 1115 break;
1116 case DW_OP_swap:
1117 printf ("DW_OP_swap");
1118 break;
1119 case DW_OP_rot:
1120 printf ("DW_OP_rot");
1121 break;
1122 case DW_OP_xderef:
1123 printf ("DW_OP_xderef");
1124 break;
1125 case DW_OP_abs:
1126 printf ("DW_OP_abs");
1127 break;
1128 case DW_OP_and:
1129 printf ("DW_OP_and");
1130 break;
1131 case DW_OP_div:
1132 printf ("DW_OP_div");
1133 break;
1134 case DW_OP_minus:
1135 printf ("DW_OP_minus");
1136 break;
1137 case DW_OP_mod:
1138 printf ("DW_OP_mod");
1139 break;
1140 case DW_OP_mul:
1141 printf ("DW_OP_mul");
1142 break;
1143 case DW_OP_neg:
1144 printf ("DW_OP_neg");
1145 break;
1146 case DW_OP_not:
1147 printf ("DW_OP_not");
1148 break;
1149 case DW_OP_or:
1150 printf ("DW_OP_or");
1151 break;
1152 case DW_OP_plus:
1153 printf ("DW_OP_plus");
1154 break;
1155 case DW_OP_plus_uconst:
cd30bcef
AM		 1156 READ_ULEB (uvalue, data, end);
1157 printf ("DW_OP_plus_uconst: %s", dwarf_vmatoa ("u", uvalue));
19e6b90e
L		 1158 break;
1159 case DW_OP_shl:
1160 printf ("DW_OP_shl");
1161 break;
1162 case DW_OP_shr:
1163 printf ("DW_OP_shr");
1164 break;
1165 case DW_OP_shra:
1166 printf ("DW_OP_shra");
1167 break;
1168 case DW_OP_xor:
1169 printf ("DW_OP_xor");
1170 break;
1171 case DW_OP_bra:
0c588247
NC		 1172 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1173 printf ("DW_OP_bra: %ld", (long) svalue);
19e6b90e
L		 1174 break;
1175 case DW_OP_eq:
1176 printf ("DW_OP_eq");
1177 break;
1178 case DW_OP_ge:
1179 printf ("DW_OP_ge");
1180 break;
1181 case DW_OP_gt:
1182 printf ("DW_OP_gt");
1183 break;
1184 case DW_OP_le:
1185 printf ("DW_OP_le");
1186 break;
1187 case DW_OP_lt:
1188 printf ("DW_OP_lt");
1189 break;
1190 case DW_OP_ne:
1191 printf ("DW_OP_ne");
1192 break;
1193 case DW_OP_skip:
0c588247
NC		 1194 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1195 printf ("DW_OP_skip: %ld", (long) svalue);
19e6b90e
L		 1196 break;
1197
1198 case DW_OP_lit0:
1199 case DW_OP_lit1:
1200 case DW_OP_lit2:
1201 case DW_OP_lit3:
1202 case DW_OP_lit4:
1203 case DW_OP_lit5:
1204 case DW_OP_lit6:
1205 case DW_OP_lit7:
1206 case DW_OP_lit8:
1207 case DW_OP_lit9:
1208 case DW_OP_lit10:
1209 case DW_OP_lit11:
1210 case DW_OP_lit12:
1211 case DW_OP_lit13:
1212 case DW_OP_lit14:
1213 case DW_OP_lit15:
1214 case DW_OP_lit16:
1215 case DW_OP_lit17:
1216 case DW_OP_lit18:
1217 case DW_OP_lit19:
1218 case DW_OP_lit20:
1219 case DW_OP_lit21:
1220 case DW_OP_lit22:
1221 case DW_OP_lit23:
1222 case DW_OP_lit24:
1223 case DW_OP_lit25:
1224 case DW_OP_lit26:
1225 case DW_OP_lit27:
1226 case DW_OP_lit28:
1227 case DW_OP_lit29:
1228 case DW_OP_lit30:
1229 case DW_OP_lit31:
1230 printf ("DW_OP_lit%d", op - DW_OP_lit0);
1231 break;
1232
1233 case DW_OP_reg0:
1234 case DW_OP_reg1:
1235 case DW_OP_reg2:
1236 case DW_OP_reg3:
1237 case DW_OP_reg4:
1238 case DW_OP_reg5:
1239 case DW_OP_reg6:
1240 case DW_OP_reg7:
1241 case DW_OP_reg8:
1242 case DW_OP_reg9:
1243 case DW_OP_reg10:
1244 case DW_OP_reg11:
1245 case DW_OP_reg12:
1246 case DW_OP_reg13:
1247 case DW_OP_reg14:
1248 case DW_OP_reg15:
1249 case DW_OP_reg16:
1250 case DW_OP_reg17:
1251 case DW_OP_reg18:
1252 case DW_OP_reg19:
1253 case DW_OP_reg20:
1254 case DW_OP_reg21:
1255 case DW_OP_reg22:
1256 case DW_OP_reg23:
1257 case DW_OP_reg24:
1258 case DW_OP_reg25:
1259 case DW_OP_reg26:
1260 case DW_OP_reg27:
1261 case DW_OP_reg28:
1262 case DW_OP_reg29:
1263 case DW_OP_reg30:
1264 case DW_OP_reg31:
18464d4d
JK		 1265 printf ("DW_OP_reg%d (%s)", op - DW_OP_reg0,
1266 regname (op - DW_OP_reg0, 1));
19e6b90e
L		 1267 break;
1268
1269 case DW_OP_breg0:
1270 case DW_OP_breg1:
1271 case DW_OP_breg2:
1272 case DW_OP_breg3:
1273 case DW_OP_breg4:
1274 case DW_OP_breg5:
1275 case DW_OP_breg6:
1276 case DW_OP_breg7:
1277 case DW_OP_breg8:
1278 case DW_OP_breg9:
1279 case DW_OP_breg10:
1280 case DW_OP_breg11:
1281 case DW_OP_breg12:
1282 case DW_OP_breg13:
1283 case DW_OP_breg14:
1284 case DW_OP_breg15:
1285 case DW_OP_breg16:
1286 case DW_OP_breg17:
1287 case DW_OP_breg18:
1288 case DW_OP_breg19:
1289 case DW_OP_breg20:
1290 case DW_OP_breg21:
1291 case DW_OP_breg22:
1292 case DW_OP_breg23:
1293 case DW_OP_breg24:
1294 case DW_OP_breg25:
1295 case DW_OP_breg26:
1296 case DW_OP_breg27:
1297 case DW_OP_breg28:
1298 case DW_OP_breg29:
1299 case DW_OP_breg30:
1300 case DW_OP_breg31:
cd30bcef
AM		 1301 READ_SLEB (svalue, data, end);
1302 printf ("DW_OP_breg%d (%s): %s", op - DW_OP_breg0,
1303 regname (op - DW_OP_breg0, 1), dwarf_vmatoa ("d", svalue));
19e6b90e
L		 1304 break;
1305
1306 case DW_OP_regx:
cd30bcef 1307 READ_ULEB (uvalue, data, end);
467c65bc
NC		 1308 printf ("DW_OP_regx: %s (%s)",
1309 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
19e6b90e
L		 1310 break;
1311 case DW_OP_fbreg:
1312 need_frame_base = 1;
cd30bcef
AM		 1313 READ_SLEB (svalue, data, end);
1314 printf ("DW_OP_fbreg: %s", dwarf_vmatoa ("d", svalue));
19e6b90e
L		 1315 break;
1316 case DW_OP_bregx:
cd30bcef
AM		 1317 READ_ULEB (uvalue, data, end);
1318 READ_SLEB (svalue, data, end);
467c65bc
NC		 1319 printf ("DW_OP_bregx: %s (%s) %s",
1320 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1),
cd30bcef 1321 dwarf_vmatoa ("d", svalue));
19e6b90e
L		 1322 break;
1323 case DW_OP_piece:
cd30bcef
AM		 1324 READ_ULEB (uvalue, data, end);
1325 printf ("DW_OP_piece: %s", dwarf_vmatoa ("u", uvalue));
19e6b90e
L		 1326 break;
1327 case DW_OP_deref_size:
0c588247
NC		 1328 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1329 printf ("DW_OP_deref_size: %ld", (long) uvalue);
19e6b90e
L		 1330 break;
1331 case DW_OP_xderef_size:
0c588247
NC		 1332 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1333 printf ("DW_OP_xderef_size: %ld", (long) uvalue);
19e6b90e
L		 1334 break;
1335 case DW_OP_nop:
1336 printf ("DW_OP_nop");
1337 break;
1338
1339 /* DWARF 3 extensions. */
1340 case DW_OP_push_object_address:
1341 printf ("DW_OP_push_object_address");
1342 break;
1343 case DW_OP_call2:
d85bf2ba 1344 /* FIXME: Strictly speaking for 64-bit DWARF3 files
19e6b90e 1345 this ought to be an 8-byte wide computation. */
0c588247 1346 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
467c65bc 1347 printf ("DW_OP_call2: <0x%s>",
0c588247 1348 dwarf_vmatoa ("x", svalue + cu_offset));
19e6b90e
L		 1349 break;
1350 case DW_OP_call4:
d85bf2ba 1351 /* FIXME: Strictly speaking for 64-bit DWARF3 files
19e6b90e 1352 this ought to be an 8-byte wide computation. */
0c588247 1353 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
467c65bc 1354 printf ("DW_OP_call4: <0x%s>",
0c588247 1355 dwarf_vmatoa ("x", svalue + cu_offset));
19e6b90e
L		 1356 break;
1357 case DW_OP_call_ref:
d85bf2ba 1358 /* FIXME: Strictly speaking for 64-bit DWARF3 files
e2a0d921 1359 this ought to be an 8-byte wide computation. */
b7807392
JJ		 1360 if (dwarf_version == -1)
1361 {
1362 printf (_("(DW_OP_call_ref in frame info)"));
1363 /* No way to tell where the next op is, so just bail. */
1364 return need_frame_base;
1365 }
1366 if (dwarf_version == 2)
1367 {
0c588247 1368 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
b7807392
JJ		 1369 }
1370 else
1371 {
0c588247 1372 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
b7807392 1373 }
0c588247 1374 printf ("DW_OP_call_ref: <0x%s>", dwarf_vmatoa ("x", uvalue));
19e6b90e 1375 break;
a87b0a59
NS		 1376 case DW_OP_form_tls_address:
1377 printf ("DW_OP_form_tls_address");
1378 break;
e2a0d921
NC		 1379 case DW_OP_call_frame_cfa:
1380 printf ("DW_OP_call_frame_cfa");
1381 break;
1382 case DW_OP_bit_piece:
1383 printf ("DW_OP_bit_piece: ");
cd30bcef
AM		 1384 READ_ULEB (uvalue, data, end);
1385 printf (_("size: %s "), dwarf_vmatoa ("u", uvalue));
1386 READ_ULEB (uvalue, data, end);
1387 printf (_("offset: %s "), dwarf_vmatoa ("u", uvalue));
e2a0d921 1388 break;
19e6b90e 1389
3244e8f5
JJ		 1390 /* DWARF 4 extensions. */
1391 case DW_OP_stack_value:
1392 printf ("DW_OP_stack_value");
1393 break;
1394
1395 case DW_OP_implicit_value:
1396 printf ("DW_OP_implicit_value");
cd30bcef 1397 READ_ULEB (uvalue, data, end);
ef0b5f1c 1398 data = display_block (data, uvalue, end, ' ');
3244e8f5
JJ		 1399 break;
1400
19e6b90e
L		 1401 /* GNU extensions. */
1402 case DW_OP_GNU_push_tls_address:
9cf03b7e 1403 printf (_("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown"));
e2a0d921
NC		 1404 break;
1405 case DW_OP_GNU_uninit:
1406 printf ("DW_OP_GNU_uninit");
1407 /* FIXME: Is there data associated with this OP ? */
1408 break;
f1c4cc75
RH		 1409 case DW_OP_GNU_encoded_addr:
1410 {
6937bb54 1411 int encoding = 0;
f1c4cc75 1412 dwarf_vma addr;
467c65bc 1413
6937bb54
NC		 1414 if (data < end)
1415 encoding = *data++;
041830e0 1416 addr = get_encoded_value (&data, encoding, section, end);
f1c4cc75
RH		 1417
1418 printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding);
1419 print_dwarf_vma (addr, pointer_size);
1420 }
1421 break;
bc0a77d2 1422 case DW_OP_implicit_pointer:
b7807392 1423 case DW_OP_GNU_implicit_pointer:
d85bf2ba 1424 /* FIXME: Strictly speaking for 64-bit DWARF3 files
b7807392
JJ		 1425 this ought to be an 8-byte wide computation. */
1426 if (dwarf_version == -1)
1427 {
bc0a77d2
JK		 1428 printf (_("(%s in frame info)"),
1429 (op == DW_OP_implicit_pointer
1430 ? "DW_OP_implicit_pointer"
1431 : "DW_OP_GNU_implicit_pointer"));
b7807392
JJ		 1432 /* No way to tell where the next op is, so just bail. */
1433 return need_frame_base;
1434 }
1435 if (dwarf_version == 2)
1436 {
0c588247 1437 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
b7807392
JJ		 1438 }
1439 else
1440 {
0c588247 1441 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
b7807392 1442 }
cd30bcef 1443 READ_SLEB (svalue, data, end);
bc0a77d2
JK		 1444 printf ("%s: <0x%s> %s",
1445 (op == DW_OP_implicit_pointer
1446 ? "DW_OP_implicit_pointer" : "DW_OP_GNU_implicit_pointer"),
0c588247 1447 dwarf_vmatoa ("x", uvalue),
cd30bcef 1448 dwarf_vmatoa ("d", svalue));
b7807392 1449 break;
77145576 1450 case DW_OP_entry_value:
0892011d 1451 case DW_OP_GNU_entry_value:
cd30bcef 1452 READ_ULEB (uvalue, data, end);
058037d3
NC		 1453 /* PR 17531: file: 0cc9cd00. */
1454 if (uvalue > (dwarf_vma) (end - data))
1455 uvalue = end - data;
77145576
JK		 1456 printf ("%s: (", (op == DW_OP_entry_value ? "DW_OP_entry_value"
1457 : "DW_OP_GNU_entry_value"));
0892011d
JJ		 1458 if (decode_location_expression (data, pointer_size, offset_size,
1459 dwarf_version, uvalue,
1460 cu_offset, section))
1461 need_frame_base = 1;
1462 putchar (')');
1463 data += uvalue;
6937bb54
NC		 1464 if (data > end)
1465 data = end;
0892011d 1466 break;
bc0a77d2 1467 case DW_OP_const_type:
0892011d 1468 case DW_OP_GNU_const_type:
cd30bcef 1469 READ_ULEB (uvalue, data, end);
bc0a77d2
JK		 1470 printf ("%s: <0x%s> ",
1471 (op == DW_OP_const_type ? "DW_OP_const_type"
1472 : "DW_OP_GNU_const_type"),
0892011d 1473 dwarf_vmatoa ("x", cu_offset + uvalue));
0c588247 1474 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
ef0b5f1c 1475 data = display_block (data, uvalue, end, ' ');
0892011d 1476 break;
bc0a77d2 1477 case DW_OP_regval_type:
0892011d 1478 case DW_OP_GNU_regval_type:
cd30bcef 1479 READ_ULEB (uvalue, data, end);
bc0a77d2
JK		 1480 printf ("%s: %s (%s)",
1481 (op == DW_OP_regval_type ? "DW_OP_regval_type"
1482 : "DW_OP_GNU_regval_type"),
0892011d 1483 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
cd30bcef 1484 READ_ULEB (uvalue, data, end);
0892011d
JJ		 1485 printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
1486 break;
bc0a77d2 1487 case DW_OP_deref_type:
0892011d 1488 case DW_OP_GNU_deref_type:
0c588247 1489 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
bc0a77d2
JK		 1490 printf ("%s: %ld",
1491 (op == DW_OP_deref_type ? "DW_OP_deref_type"
1492 : "DW_OP_GNU_deref_type"),
1493 (long) uvalue);
cd30bcef 1494 READ_ULEB (uvalue, data, end);
0892011d
JJ		 1495 printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
1496 break;
bc0a77d2 1497 case DW_OP_convert:
0892011d 1498 case DW_OP_GNU_convert:
cd30bcef 1499 READ_ULEB (uvalue, data, end);
bc0a77d2
JK		 1500 printf ("%s <0x%s>",
1501 (op == DW_OP_convert ? "DW_OP_convert" : "DW_OP_GNU_convert"),
f8b999f9 1502 dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
0892011d 1503 break;
bc0a77d2 1504 case DW_OP_reinterpret:
0892011d 1505 case DW_OP_GNU_reinterpret:
cd30bcef 1506 READ_ULEB (uvalue, data, end);
bc0a77d2
JK		 1507 printf ("%s <0x%s>",
1508 (op == DW_OP_reinterpret ? "DW_OP_reinterpret"
1509 : "DW_OP_GNU_reinterpret"),
f8b999f9
JJ		 1510 dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
1511 break;
1512 case DW_OP_GNU_parameter_ref:
0c588247 1513 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
f8b999f9 1514 printf ("DW_OP_GNU_parameter_ref: <0x%s>",
0c588247 1515 dwarf_vmatoa ("x", cu_offset + uvalue));
0892011d 1516 break;
b4eb7656 1517 case DW_OP_GNU_addr_index:
cd30bcef 1518 READ_ULEB (uvalue, data, end);
b4eb7656
AM		 1519 printf ("DW_OP_GNU_addr_index <0x%s>", dwarf_vmatoa ("x", uvalue));
1520 break;
1521 case DW_OP_GNU_const_index:
cd30bcef 1522 READ_ULEB (uvalue, data, end);
b4eb7656
AM		 1523 printf ("DW_OP_GNU_const_index <0x%s>", dwarf_vmatoa ("x", uvalue));
1524 break;
f384a1f0
KB		 1525 case DW_OP_GNU_variable_value:
1526 /* FIXME: Strictly speaking for 64-bit DWARF3 files
1527 this ought to be an 8-byte wide computation. */
1528 if (dwarf_version == -1)
1529 {
1530 printf (_("(DW_OP_GNU_variable_value in frame info)"));
1531 /* No way to tell where the next op is, so just bail. */
1532 return need_frame_base;
1533 }
1534 if (dwarf_version == 2)
1535 {
1536 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1537 }
1538 else
1539 {
1540 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1541 }
1542 printf ("DW_OP_GNU_variable_value: <0x%s>", dwarf_vmatoa ("x", uvalue));
1543 break;
e2a0d921
NC		 1544
1545 /* HP extensions. */
1546 case DW_OP_HP_is_value:
1547 printf ("DW_OP_HP_is_value");
1548 /* FIXME: Is there data associated with this OP ? */
1549 break;
1550 case DW_OP_HP_fltconst4:
1551 printf ("DW_OP_HP_fltconst4");
1552 /* FIXME: Is there data associated with this OP ? */
1553 break;
1554 case DW_OP_HP_fltconst8:
1555 printf ("DW_OP_HP_fltconst8");
1556 /* FIXME: Is there data associated with this OP ? */
1557 break;
1558 case DW_OP_HP_mod_range:
1559 printf ("DW_OP_HP_mod_range");
1560 /* FIXME: Is there data associated with this OP ? */
1561 break;
1562 case DW_OP_HP_unmod_range:
1563 printf ("DW_OP_HP_unmod_range");
1564 /* FIXME: Is there data associated with this OP ? */
1565 break;
1566 case DW_OP_HP_tls:
1567 printf ("DW_OP_HP_tls");
1568 /* FIXME: Is there data associated with this OP ? */
19e6b90e
L		 1569 break;
1570
35d60fe4
NC		 1571 /* PGI (STMicroelectronics) extensions. */
1572 case DW_OP_PGI_omp_thread_num:
1573 /* Pushes the thread number for the current thread as it would be
1574 returned by the standard OpenMP library function:
1575 omp_get_thread_num(). The "current thread" is the thread for
1576 which the expression is being evaluated. */
1577 printf ("DW_OP_PGI_omp_thread_num");
1578 break;
1579
19e6b90e
L		 1580 default:
1581 if (op >= DW_OP_lo_user
1582 && op <= DW_OP_hi_user)
0502a2b4 1583 printf (_("(User defined location op 0x%x)"), op);
19e6b90e 1584 else
0502a2b4 1585 printf (_("(Unknown location op 0x%x)"), op);
19e6b90e
L		 1586 /* No way to tell where the next op is, so just bail. */
1587 return need_frame_base;
1588 }
1589
1590 /* Separate the ops. */
1591 if (data < end)
1592 printf ("; ");
1593 }
1594
1595 return need_frame_base;
1596}
1597
341f9135
CC		 1598/* Find the CU or TU set corresponding to the given CU_OFFSET.
1599 This is used for DWARF package files. */
1600
1601static struct cu_tu_set *
1602find_cu_tu_set_v2 (dwarf_vma cu_offset, int do_types)
1603{
1604 struct cu_tu_set *p;
1605 unsigned int nsets;
1606 unsigned int dw_sect;
1607
1608 if (do_types)
1609 {
1610 p = tu_sets;
1611 nsets = tu_count;
1612 dw_sect = DW_SECT_TYPES;
1613 }
1614 else
1615 {
1616 p = cu_sets;
1617 nsets = cu_count;
1618 dw_sect = DW_SECT_INFO;
1619 }
1620 while (nsets > 0)
1621 {
1622 if (p->section_offsets [dw_sect] == cu_offset)
1623 return p;
1624 p++;
1625 nsets--;
1626 }
1627 return NULL;
1628}
1629
a69c4772
NC		 1630/* Add INC to HIGH_BITS:LOW_BITS. */
1631static void
1632add64 (dwarf_vma * high_bits, dwarf_vma * low_bits, dwarf_vma inc)
1633{
1634 dwarf_vma tmp = * low_bits;
1635
1636 tmp += inc;
1637
1638 /* FIXME: There is probably a better way of handling this:
1639
1640 We need to cope with dwarf_vma being a 32-bit or 64-bit
1641 type. Plus regardless of its size LOW_BITS is meant to
1642 only hold 32-bits, so if there is overflow or wrap around
1643 we must propagate into HIGH_BITS. */
1644 if (tmp < * low_bits)
1645 {
1646 ++ * high_bits;
1647 }
1648 else if (sizeof (tmp) > 8
1649 && (tmp >> 31) > 1)
1650 {
1651 ++ * high_bits;
1652 tmp &= 0xFFFFFFFF;
1653 }
1654
1655 * low_bits = tmp;
1656}
1657
dda8d76d
NC		 1658static const char *
1659fetch_alt_indirect_string (dwarf_vma offset)
1660{
24841daa 1661 separate_info * i;
dda8d76d
NC		 1662
1663 if (! do_follow_links)
1664 return "";
1665
24841daa
NC		 1666 if (first_separate_info == NULL)
1667 return _("<no links available>");
dda8d76d 1668
24841daa
NC		 1669 for (i = first_separate_info; i != NULL; i = i->next)
1670 {
1671 struct dwarf_section * section;
1672 const char * ret;
dda8d76d 1673
24841daa
NC		 1674 if (! load_debug_section (separate_debug_str, i->handle))
1675 continue;
dda8d76d 1676
24841daa 1677 section = &debug_displays [separate_debug_str].section;
dda8d76d 1678
24841daa
NC		 1679 if (section->start == NULL)
1680 continue;
dda8d76d 1681
24841daa
NC		 1682 if (offset >= section->size)
1683 continue;
1684
1685 ret = (const char *) (section->start + offset);
1686 /* Unfortunately we cannot rely upon the .debug_str section ending with a
1687 NUL byte. Since our caller is expecting to receive a well formed C
1688 string we test for the lack of a terminating byte here. */
1689 if (strnlen ((const char *) ret, section->size - offset)
1690 == section->size - offset)
1691 return _("<no NUL byte at end of alt .debug_str section>");
1692
1693 return ret;
1694 }
1695
1696 warn (_("DW_FORM_GNU_strp_alt offset (%s) too big or no string sections available\n"),
1697 dwarf_vmatoa ("x", offset));
1698 return _("<offset is too big>");
dda8d76d
NC		 1699}
1700
d85bf2ba
NC		 1701static const char *
1702get_AT_name (unsigned long attribute)
1703{
1704 const char *name;
1705
1706 if (attribute == 0)
1707 return "DW_AT value: 0";
1708
1709 /* One value is shared by the MIPS and HP extensions: */
1710 if (attribute == DW_AT_MIPS_fde)
1711 return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable";
1712
1713 name = get_DW_AT_name (attribute);
1714
1715 if (name == NULL)
1716 {
1717 static char buffer[100];
1718
1719 snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"),
1720 attribute);
1721 return buffer;
1722 }
1723
1724 return name;
1725}
1726
24841daa
NC		 1727static void
1728add_dwo_info (const char * field, dwo_type type)
1729{
1730 dwo_info * dwinfo = xmalloc (sizeof * dwinfo);
1731
1732 dwinfo->type = type;
1733 dwinfo->value = field;
1734 dwinfo->next = first_dwo_info;
1735 first_dwo_info = dwinfo;
1736}
1737
1738static void
1739add_dwo_name (const char * name)
1740{
1741 add_dwo_info (name, DWO_NAME);
1742}
1743
1744static void
1745add_dwo_dir (const char * dir)
1746{
1747 add_dwo_info (dir, DWO_DIR);
1748}
1749
1750static void
1751add_dwo_id (const char * id)
1752{
1753 add_dwo_info (id, DWO_ID);
1754}
1755
1756static void
1757free_dwo_info (void)
1758{
1759 dwo_info * dwinfo;
1760 dwo_info * next;
1761
1762 for (dwinfo = first_dwo_info; dwinfo != NULL; dwinfo = next)
1763 {
1764 next = dwinfo->next;
1765 free (dwinfo);
1766 }
1767 first_dwo_info = NULL;
1768}
1769
afc72f15
NC		 1770/* Ensure that START + UVALUE is less than END.
1771 Return an adjusted UVALUE if necessary to ensure this relationship. */
1772
1773static inline dwarf_vma
1774check_uvalue (const unsigned char * start,
1775 dwarf_vma uvalue,
1776 const unsigned char * end)
1777{
1778 dwarf_vma max_uvalue = end - start;
1779
afc72f15
NC		 1780 /* See PR 17512: file: 008-103549-0.001:0.1.
1781 and PR 24829 for examples of where these tests are triggered. */
a85eba51 1782 if (uvalue > max_uvalue)
afc72f15
NC		 1783 {
1784 warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
1785 uvalue = max_uvalue;
1786 }
1787
1788 return uvalue;
1789}
1790
ec1b0fbb
NC		 1791static unsigned char *
1792skip_attr_bytes (unsigned long form,
1793 unsigned char * data,
1794 unsigned const char * end,
1795 dwarf_vma pointer_size,
1796 dwarf_vma offset_size,
1797 int dwarf_version,
1798 dwarf_vma * value_return)
1799{
cd30bcef
AM		 1800 dwarf_signed_vma svalue;
1801 dwarf_vma uvalue = 0;
ec1b0fbb
NC		 1802
1803 * value_return = 0;
1804
1805 switch (form)
1806 {
1807 case DW_FORM_ref_addr:
1808 if (dwarf_version == 2)
1809 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1810 else if (dwarf_version == 3 || dwarf_version == 4)
1811 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1812 else
1813 return NULL;
1814 break;
1815
1816 case DW_FORM_addr:
1817 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1818 break;
1819
1820 case DW_FORM_strp:
1821 case DW_FORM_line_strp:
1822 case DW_FORM_sec_offset:
1823 case DW_FORM_GNU_ref_alt:
1824 case DW_FORM_GNU_strp_alt:
1825 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1826 break;
1827
1828 case DW_FORM_flag_present:
1829 uvalue = 1;
1830 break;
1831
1832 case DW_FORM_ref1:
1833 case DW_FORM_flag:
1834 case DW_FORM_data1:
1835 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1836 break;
1837
1838 case DW_FORM_ref2:
1839 case DW_FORM_data2:
1840 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
1841 break;
1842
1843 case DW_FORM_ref4:
1844 case DW_FORM_data4:
1845 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1846 break;
1847
1848 case DW_FORM_sdata:
cd30bcef
AM		 1849 READ_SLEB (svalue, data, end);
1850 uvalue = svalue;
ec1b0fbb
NC		 1851 break;
1852
1853 case DW_FORM_ref_udata:
1854 case DW_FORM_udata:
1855 case DW_FORM_GNU_str_index:
1856 case DW_FORM_GNU_addr_index:
cd30bcef 1857 READ_ULEB (uvalue, data, end);
ec1b0fbb
NC		 1858 break;
1859
1860 case DW_FORM_ref8:
1861 case DW_FORM_data8:
1862 data += 8;
1863 break;
1864
1865 case DW_FORM_data16:
1866 data += 16;
1867 break;
1868
1869 case DW_FORM_string:
1870 data += strnlen ((char *) data, end - data) + 1;
1871 break;
1872
1873 case DW_FORM_block:
1874 case DW_FORM_exprloc:
cd30bcef 1875 READ_ULEB (uvalue, data, end);
ec1b0fbb
NC		 1876 break;
1877
1878 case DW_FORM_block1:
1879 SAFE_BYTE_GET (uvalue, data, 1, end);
1880 data += 1 + uvalue;
1881 break;
1882
1883 case DW_FORM_block2:
1884 SAFE_BYTE_GET (uvalue, data, 2, end);
1885 data += 2 + uvalue;
1886 break;
1887
1888 case DW_FORM_block4:
1889 SAFE_BYTE_GET (uvalue, data, 4, end);
1890 data += 4 + uvalue;
1891 break;
1892
1893 case DW_FORM_ref_sig8:
1894 data += 8;
1895 break;
1896
1897 case DW_FORM_indirect:
1898 /* FIXME: Handle this form. */
1899 default:
1900 return NULL;
1901 }
1902
1903 * value_return = uvalue;
1904 if (data > end)
1905 data = (unsigned char *) end;
1906 return data;
1907}
1908
1909/* Return IS_SIGNED set to TRUE if the type at
1910 DATA can be determined to be a signed type. */
1911
1912static void
1913get_type_signedness (unsigned char * start,
1914 unsigned char * data,
1915 unsigned const char * end,
1916 dwarf_vma pointer_size,
1917 dwarf_vma offset_size,
1918 int dwarf_version,
1919 bfd_boolean * is_signed,
1920 bfd_boolean is_nested)
1921{
1922 unsigned long abbrev_number;
ec1b0fbb
NC		 1923 abbrev_entry * entry;
1924 abbrev_attr * attr;
1925
1926 * is_signed = FALSE;
1927
cd30bcef 1928 READ_ULEB (abbrev_number, data, end);
ec1b0fbb
NC		 1929
1930 for (entry = first_abbrev;
1931 entry != NULL && entry->entry != abbrev_number;
1932 entry = entry->next)
1933 continue;
1934
1935 if (entry == NULL)
1936 /* FIXME: Issue a warning ? */
1937 return;
1938
1939 for (attr = entry->first_attr;
1940 attr != NULL && attr->attribute;
1941 attr = attr->next)
1942 {
1943 dwarf_vma uvalue = 0;
1944
1945 data = skip_attr_bytes (attr->form, data, end, pointer_size,
1946 offset_size, dwarf_version, & uvalue);
1947 if (data == NULL)
1948 return;
1949
1950 switch (attr->attribute)
1951 {
1952#if 0 /* FIXME: It would be nice to print the name of the type,
1953 but this would mean updating a lot of binutils tests. */
1954 case DW_AT_name:
1955 if (attr->form == DW_FORM_strp)
1956 printf ("%s", fetch_indirect_string (uvalue));
1957 break;
1958#endif
1959 case DW_AT_type:
1960 /* Recurse. */
1961 if (is_nested)
1962 {
1963 /* FIXME: Warn - or is this expected ?
1964 NB/ We need to avoid infinite recursion. */
1965 return;
1966 }
b3fe587e
AM		 1967 if (uvalue >= (size_t) (end - start))
1968 return;
ec1b0fbb
NC		 1969 get_type_signedness (start, start + uvalue, end, pointer_size,
1970 offset_size, dwarf_version, is_signed, TRUE);
1971 break;
1972
1973 case DW_AT_encoding:
1974 /* Determine signness. */
1975 switch (uvalue)
1976 {
1977 case DW_ATE_address:
1978 /* FIXME - some architectures have signed addresses. */
1979 case DW_ATE_boolean:
1980 case DW_ATE_unsigned:
1981 case DW_ATE_unsigned_char:
1982 case DW_ATE_unsigned_fixed:
1983 * is_signed = FALSE;
1984 break;
1985
1986 default:
1987 case DW_ATE_complex_float:
1988 case DW_ATE_float:
1989 case DW_ATE_signed:
1990 case DW_ATE_signed_char:
1991 case DW_ATE_imaginary_float:
1992 case DW_ATE_decimal_float:
1993 case DW_ATE_signed_fixed:
1994 * is_signed = TRUE;
1995 break;
1996 }
1997 break;
1998 }
1999 }
2000}
2001
2002static void
2003read_and_print_leb128 (unsigned char * data,
2004 unsigned int * bytes_read,
2005 unsigned const char * end,
2006 bfd_boolean is_signed)
2007{
cd30bcef
AM		 2008 int status;
2009 dwarf_vma val = read_leb128 (data, end, is_signed, bytes_read, &status);
2010 if (status != 0)
2011 report_leb_status (status);
ec1b0fbb 2012 else
cd30bcef 2013 printf ("%s", dwarf_vmatoa (is_signed ? "d" : "u", val));
ec1b0fbb
NC		 2014}
2015
2016static void
2017display_discr_list (unsigned long form,
2018 dwarf_vma uvalue,
2019 unsigned char * data,
2020 unsigned const char * end,
2021 int level)
2022{
2023 if (uvalue == 0)
2024 {
2025 printf ("[default]");
2026 return;
2027 }
2028
2029 switch (form)
2030 {
2031 case DW_FORM_block:
2032 case DW_FORM_block1:
2033 case DW_FORM_block2:
2034 case DW_FORM_block4:
2035 /* Move data pointer back to the start of the byte array. */
2036 data -= uvalue;
2037 break;
2038 default:
2039 printf ("<corrupt>\n");
2040 warn (_("corrupt discr_list - not using a block form\n"));
2041 return;
2042 }
2043
2044 if (uvalue < 2)
2045 {
2046 printf ("<corrupt>\n");
2047 warn (_("corrupt discr_list - block not long enough\n"));
2048 return;
2049 }
2050
2051 bfd_boolean is_signed =
2052 (level > 0 && level <= MAX_CU_NESTING)
2053 ? level_type_signed [level - 1] : FALSE;
2054
2055 printf ("(");
2056 while (uvalue)
2057 {
2058 unsigned char discriminant;
2059 unsigned int bytes_read;
2060
2061 SAFE_BYTE_GET (discriminant, data, 1, end);
2062 -- uvalue;
2063 data ++;
2064
2065 assert (uvalue > 0);
2066 switch (discriminant)
2067 {
2068 case DW_DSC_label:
2069 printf ("label ");
2070 read_and_print_leb128 (data, & bytes_read, end, is_signed);
2071 assert (bytes_read <= uvalue && bytes_read > 0);
2072 uvalue -= bytes_read;
2073 data += bytes_read;
2074 break;
2075
2076 case DW_DSC_range:
2077 printf ("range ");
2078 read_and_print_leb128 (data, & bytes_read, end, is_signed);
2079 assert (bytes_read <= uvalue && bytes_read > 0);
2080 uvalue -= bytes_read;
2081 data += bytes_read;
2082
2083 printf ("..");
2084 read_and_print_leb128 (data, & bytes_read, end, is_signed);
2085 assert (bytes_read <= uvalue && bytes_read > 0);
2086 uvalue -= bytes_read;
2087 data += bytes_read;
2088 break;
2089
2090 default:
2091 printf ("<corrupt>\n");
2092 warn (_("corrupt discr_list - unrecognised discriminant byte %#x\n"),
2093 discriminant);
2094 return;
2095 }
2096
2097 if (uvalue)
2098 printf (", ");
2099 }
2100
2101 if (is_signed)
2102 printf (")(signed)");
2103 else
2104 printf (")(unsigned)");
2105}
2106
19e6b90e 2107static unsigned char *
dda8d76d
NC		 2108read_and_display_attr_value (unsigned long attribute,
2109 unsigned long form,
2110 dwarf_signed_vma implicit_const,
ec1b0fbb 2111 unsigned char * start,
dda8d76d
NC		 2112 unsigned char * data,
2113 unsigned char * end,
2114 dwarf_vma cu_offset,
2115 dwarf_vma pointer_size,
2116 dwarf_vma offset_size,
2117 int dwarf_version,
2118 debug_info * debug_info_p,
2119 int do_loc,
2120 struct dwarf_section * section,
2121 struct cu_tu_set * this_set,
ec1b0fbb
NC		 2122 char delimiter,
2123 int level)
19e6b90e 2124{
cd30bcef 2125 dwarf_signed_vma svalue;
ec1b0fbb
NC		 2126 dwarf_vma uvalue = 0;
2127 unsigned char * block_start = NULL;
2128 unsigned char * orig_data = data;
19e6b90e 2129
f41e4712 2130 if (data > end || (data == end && form != DW_FORM_flag_present))
0c588247 2131 {
f41e4712 2132 warn (_("Corrupt attribute\n"));
0c588247
NC		 2133 return data;
2134 }
2135
19e6b90e
L		 2136 switch (form)
2137 {
2138 default:
2139 break;
2140
2141 case DW_FORM_ref_addr:
2142 if (dwarf_version == 2)
0c588247 2143 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
932fd279 2144 else if (dwarf_version == 3 || dwarf_version == 4)
0c588247 2145 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
19e6b90e 2146 else
467c65bc
NC		 2147 error (_("Internal error: DWARF version is not 2, 3 or 4.\n"));
2148
19e6b90e
L		 2149 break;
2150
2151 case DW_FORM_addr:
0c588247 2152 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
19e6b90e
L		 2153 break;
2154
2155 case DW_FORM_strp:
77145576 2156 case DW_FORM_line_strp:
932fd279 2157 case DW_FORM_sec_offset:
a081f3cd
JJ		 2158 case DW_FORM_GNU_ref_alt:
2159 case DW_FORM_GNU_strp_alt:
0c588247 2160 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
19e6b90e
L		 2161 break;
2162
932fd279
JJ		 2163 case DW_FORM_flag_present:
2164 uvalue = 1;
2165 break;
2166
19e6b90e
L		 2167 case DW_FORM_ref1:
2168 case DW_FORM_flag:
2169 case DW_FORM_data1:
0c588247 2170 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
19e6b90e
L		 2171 break;
2172
2173 case DW_FORM_ref2:
2174 case DW_FORM_data2:
0c588247 2175 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
19e6b90e
L		 2176 break;
2177
2178 case DW_FORM_ref4:
2179 case DW_FORM_data4:
0c588247 2180 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
19e6b90e
L		 2181 break;
2182
2183 case DW_FORM_sdata:
cd30bcef
AM		 2184 READ_SLEB (svalue, data, end);
2185 uvalue = svalue;
19e6b90e
L		 2186 break;
2187
4723351a 2188 case DW_FORM_GNU_str_index:
19e6b90e
L		 2189 case DW_FORM_ref_udata:
2190 case DW_FORM_udata:
cd30bcef
AM		 2191 case DW_FORM_GNU_addr_index:
2192 READ_ULEB (uvalue, data, end);
19e6b90e
L		 2193 break;
2194
2195 case DW_FORM_indirect:
cd30bcef 2196 READ_ULEB (form, data, end);
19e6b90e 2197 if (!do_loc)
ef0b5f1c 2198 printf ("%c%s", delimiter, get_FORM_name (form));
77145576 2199 if (form == DW_FORM_implicit_const)
cd30bcef 2200 READ_SLEB (implicit_const, data, end);
ec1b0fbb
NC		 2201 return read_and_display_attr_value (attribute, form, implicit_const,
2202 start, data, end,
2203 cu_offset, pointer_size,
19e6b90e 2204 offset_size, dwarf_version,
ec4d4525 2205 debug_info_p, do_loc,
ec1b0fbb 2206 section, this_set, delimiter, level);
19e6b90e
L		 2207 }
2208
2209 switch (form)
2210 {
2211 case DW_FORM_ref_addr:
2212 if (!do_loc)
ef0b5f1c 2213 printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x",uvalue));
19e6b90e
L		 2214 break;
2215
a081f3cd
JJ		 2216 case DW_FORM_GNU_ref_alt:
2217 if (!do_loc)
ef0b5f1c 2218 printf ("%c<alt 0x%s>", delimiter, dwarf_vmatoa ("x",uvalue));
dda8d76d 2219 /* FIXME: Follow the reference... */
a081f3cd
JJ		 2220 break;
2221
19e6b90e
L		 2222 case DW_FORM_ref1:
2223 case DW_FORM_ref2:
2224 case DW_FORM_ref4:
2225 case DW_FORM_ref_udata:
2226 if (!do_loc)
ef0b5f1c 2227 printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue + cu_offset));
19e6b90e
L		 2228 break;
2229
2230 case DW_FORM_data4:
2231 case DW_FORM_addr:
932fd279 2232 case DW_FORM_sec_offset:
19e6b90e 2233 if (!do_loc)
ef0b5f1c 2234 printf ("%c0x%s", delimiter, dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 2235 break;
2236
932fd279 2237 case DW_FORM_flag_present:
19e6b90e
L		 2238 case DW_FORM_flag:
2239 case DW_FORM_data1:
2240 case DW_FORM_data2:
2241 case DW_FORM_sdata:
2242 case DW_FORM_udata:
2243 if (!do_loc)
ef0b5f1c 2244 printf ("%c%s", delimiter, dwarf_vmatoa ("d", uvalue));
19e6b90e
L		 2245 break;
2246
77145576
JK		 2247 case DW_FORM_implicit_const:
2248 if (!do_loc)
2249 printf ("%c%s", delimiter, dwarf_vmatoa ("d", implicit_const));
2250 break;
2251
19e6b90e
L		 2252 case DW_FORM_ref8:
2253 case DW_FORM_data8:
2bc8690c 2254 if (!do_loc)
19e6b90e 2255 {
74bc6052 2256 dwarf_vma high_bits;
a69c4772 2257 dwarf_vma utmp;
74bc6052
CC		 2258 char buf[64];
2259
0c588247 2260 SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end);
a69c4772
NC		 2261 utmp = uvalue;
2262 if (form == DW_FORM_ref8)
2263 add64 (& high_bits, & utmp, cu_offset);
ef0b5f1c 2264 printf ("%c0x%s", delimiter,
a69c4772 2265 dwarf_vmatoa64 (high_bits, utmp, buf, sizeof (buf)));
19e6b90e 2266 }
0c588247 2267
19e6b90e
L		 2268 if ((do_loc || do_debug_loc || do_debug_ranges)
2269 && num_debug_info_entries == 0)
2270 {
2271 if (sizeof (uvalue) == 8)
0c588247 2272 SAFE_BYTE_GET (uvalue, data, 8, end);
19e6b90e 2273 else
467c65bc 2274 error (_("DW_FORM_data8 is unsupported when sizeof (dwarf_vma) != 8\n"));
19e6b90e 2275 }
0c588247 2276
19e6b90e
L		 2277 data += 8;
2278 break;
2279
2f6cd591
JK		 2280 case DW_FORM_data16:
2281 if (!do_loc)
2282 {
2283 dwarf_vma left_high_bits, left_low_bits;
2284 dwarf_vma right_high_bits, right_low_bits;
2285
2286 SAFE_BYTE_GET64 (data, &left_high_bits, &left_low_bits, end);
2287 SAFE_BYTE_GET64 (data + 8, &right_high_bits, &right_low_bits, end);
2288 if (byte_get == byte_get_little_endian)
2289 {
2290 /* Swap them. */
2291 left_high_bits ^= right_high_bits;
2292 right_high_bits ^= left_high_bits;
2293 left_high_bits ^= right_high_bits;
2294 left_low_bits ^= right_low_bits;
2295 right_low_bits ^= left_low_bits;
2296 left_low_bits ^= right_low_bits;
2297 }
2298 printf (" 0x%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x"
2299 "%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x",
2300 left_high_bits, left_low_bits, right_high_bits,
2301 right_low_bits);
2302 }
2303 data += 16;
2304 break;
2305
19e6b90e
L		 2306 case DW_FORM_string:
2307 if (!do_loc)
ef0b5f1c 2308 printf ("%c%.*s", delimiter, (int) (end - data), data);
0c588247 2309 data += strnlen ((char *) data, end - data) + 1;
19e6b90e
L		 2310 break;
2311
2312 case DW_FORM_block:
932fd279 2313 case DW_FORM_exprloc:
cd30bcef
AM		 2314 READ_ULEB (uvalue, data, end);
2315 do_block:
2316 block_start = data;
a1165289
NC		 2317 if (block_start >= end)
2318 {
2319 warn (_("Block ends prematurely\n"));
2320 uvalue = 0;
2321 block_start = end;
2322 }
afc72f15
NC		 2323
2324 uvalue = check_uvalue (block_start, uvalue, end);
2325
19e6b90e
L		 2326 if (do_loc)
2327 data = block_start + uvalue;
2328 else
ef0b5f1c 2329 data = display_block (block_start, uvalue, end, delimiter);
19e6b90e
L		 2330 break;
2331
2332 case DW_FORM_block1:
cd30bcef
AM		 2333 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
2334 goto do_block;
19e6b90e
L		 2335
2336 case DW_FORM_block2:
cd30bcef
AM		 2337 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
2338 goto do_block;
19e6b90e
L		 2339
2340 case DW_FORM_block4:
cd30bcef
AM		 2341 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
2342 goto do_block;
19e6b90e
L		 2343
2344 case DW_FORM_strp:
2345 if (!do_loc)
ef0b5f1c 2346 printf (_("%c(indirect string, offset: 0x%s): %s"), delimiter,
47704ddf
KT		 2347 dwarf_vmatoa ("x", uvalue),
2348 fetch_indirect_string (uvalue));
19e6b90e
L		 2349 break;
2350
77145576
JK		 2351 case DW_FORM_line_strp:
2352 if (!do_loc)
2353 printf (_("%c(indirect line string, offset: 0x%s): %s"), delimiter,
2354 dwarf_vmatoa ("x", uvalue),
2355 fetch_indirect_line_string (uvalue));
2356 break;
2357
4723351a
CC		 2358 case DW_FORM_GNU_str_index:
2359 if (!do_loc)
b4eb7656 2360 {
d85bf2ba
NC		 2361 const char * suffix = strrchr (section->name, '.');
2362 bfd_boolean dwo = (suffix && strcmp (suffix, ".dwo") == 0) ? TRUE : FALSE;
b4eb7656 2363
ef0b5f1c 2364 printf (_("%c(indexed string: 0x%s): %s"), delimiter,
b4eb7656
AM		 2365 dwarf_vmatoa ("x", uvalue),
2366 fetch_indexed_string (uvalue, this_set, offset_size, dwo));
2367 }
4723351a
CC		 2368 break;
2369
a081f3cd
JJ		 2370 case DW_FORM_GNU_strp_alt:
2371 if (!do_loc)
dda8d76d
NC		 2372 {
2373 printf (_("%c(alt indirect string, offset: 0x%s) %s"), delimiter,
2374 dwarf_vmatoa ("x", uvalue),
2375 fetch_alt_indirect_string (uvalue));
2376 }
a081f3cd
JJ		 2377 break;
2378
19e6b90e
L		 2379 case DW_FORM_indirect:
2380 /* Handled above. */
2381 break;
2382
2b6f5997
CC		 2383 case DW_FORM_ref_sig8:
2384 if (!do_loc)
2385 {
74bc6052
CC		 2386 dwarf_vma high_bits;
2387 char buf[64];
2388
0c588247 2389 SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end);
ef0b5f1c 2390 printf ("%csignature: 0x%s", delimiter,
74bc6052 2391 dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf)));
2b6f5997 2392 }
74bc6052 2393 data += 8;
2b6f5997
CC		 2394 break;
2395
4723351a
CC		 2396 case DW_FORM_GNU_addr_index:
2397 if (!do_loc)
ef0b5f1c 2398 printf (_("%c(addr_index: 0x%s): %s"), delimiter,
b4eb7656
AM		 2399 dwarf_vmatoa ("x", uvalue),
2400 fetch_indexed_value (uvalue * pointer_size, pointer_size));
4723351a
CC		 2401 break;
2402
19e6b90e
L		 2403 default:
2404 warn (_("Unrecognized form: %lu\n"), form);
2405 break;
2406 }
2407
19e6b90e 2408 if ((do_loc || do_debug_loc || do_debug_ranges)
fd2f0033
TT		 2409 && num_debug_info_entries == 0
2410 && debug_info_p != NULL)
19e6b90e
L		 2411 {
2412 switch (attribute)
2413 {
2414 case DW_AT_frame_base:
2415 have_frame_base = 1;
1a0670f3 2416 /* Fall through. */
19e6b90e 2417 case DW_AT_location:
9f272209 2418 case DW_AT_GNU_locviews:
e2a0d921
NC		 2419 case DW_AT_string_length:
2420 case DW_AT_return_addr:
19e6b90e
L		 2421 case DW_AT_data_member_location:
2422 case DW_AT_vtable_elem_location:
e2a0d921
NC		 2423 case DW_AT_segment:
2424 case DW_AT_static_link:
2425 case DW_AT_use_location:
bc0a77d2 2426 case DW_AT_call_value:
629e7ca8 2427 case DW_AT_GNU_call_site_value:
bc0a77d2 2428 case DW_AT_call_data_value:
629e7ca8 2429 case DW_AT_GNU_call_site_data_value:
bc0a77d2 2430 case DW_AT_call_target:
629e7ca8 2431 case DW_AT_GNU_call_site_target:
bc0a77d2 2432 case DW_AT_call_target_clobbered:
629e7ca8 2433 case DW_AT_GNU_call_site_target_clobbered:
b4eb7656 2434 if ((dwarf_version < 4
212b6063 2435 && (form == DW_FORM_data4 || form == DW_FORM_data8))
932fd279 2436 || form == DW_FORM_sec_offset)
19e6b90e
L		 2437 {
2438 /* Process location list. */
91d6fa6a 2439 unsigned int lmax = debug_info_p->max_loc_offsets;
19e6b90e
L		 2440 unsigned int num = debug_info_p->num_loc_offsets;
2441
91d6fa6a 2442 if (lmax == 0 || num >= lmax)
19e6b90e 2443 {
91d6fa6a 2444 lmax += 1024;
467c65bc 2445 debug_info_p->loc_offsets = (dwarf_vma *)
b4eb7656
AM		 2446 xcrealloc (debug_info_p->loc_offsets,
2447 lmax, sizeof (*debug_info_p->loc_offsets));
9f272209
AO		 2448 debug_info_p->loc_views = (dwarf_vma *)
2449 xcrealloc (debug_info_p->loc_views,
2450 lmax, sizeof (*debug_info_p->loc_views));
3f5e193b 2451 debug_info_p->have_frame_base = (int *)
b4eb7656
AM		 2452 xcrealloc (debug_info_p->have_frame_base,
2453 lmax, sizeof (*debug_info_p->have_frame_base));
91d6fa6a 2454 debug_info_p->max_loc_offsets = lmax;
19e6b90e 2455 }
341f9135 2456 if (this_set != NULL)
b4eb7656 2457 uvalue += this_set->section_offsets [DW_SECT_LOC];
19e6b90e 2458 debug_info_p->have_frame_base [num] = have_frame_base;
9f272209
AO		 2459 if (attribute != DW_AT_GNU_locviews)
2460 {
a7504f87
NC		 2461 /* Corrupt DWARF info can produce more offsets than views.
2462 See PR 23062 for an example. */
2463 if (debug_info_p->num_loc_offsets
2464 > debug_info_p->num_loc_views)
2465 warn (_("More location offset attributes than DW_AT_GNU_locview attributes\n"));
2466 else
2467 {
2468 debug_info_p->loc_offsets [num] = uvalue;
2469 debug_info_p->num_loc_offsets++;
2470 }
9f272209
AO		 2471 }
2472 else
2473 {
2474 assert (debug_info_p->num_loc_views <= num);
2475 num = debug_info_p->num_loc_views;
a7504f87
NC		 2476 if (num > debug_info_p->num_loc_offsets)
2477 warn (_("More DW_AT_GNU_locview attributes than location offset attributes\n"));
2478 else
2479 {
2480 debug_info_p->loc_views [num] = uvalue;
2481 debug_info_p->num_loc_views++;
2482 }
9f272209 2483 }
19e6b90e
L		 2484 }
2485 break;
e2a0d921 2486
19e6b90e
L		 2487 case DW_AT_low_pc:
2488 if (need_base_address)
2489 debug_info_p->base_address = uvalue;
2490 break;
2491
4723351a 2492 case DW_AT_GNU_addr_base:
b4eb7656 2493 debug_info_p->addr_base = uvalue;
4723351a
CC		 2494 break;
2495
2496 case DW_AT_GNU_ranges_base:
b4eb7656 2497 debug_info_p->ranges_base = uvalue;
4723351a
CC		 2498 break;
2499
19e6b90e 2500 case DW_AT_ranges:
b4eb7656 2501 if ((dwarf_version < 4
212b6063 2502 && (form == DW_FORM_data4 || form == DW_FORM_data8))
932fd279 2503 || form == DW_FORM_sec_offset)
19e6b90e
L		 2504 {
2505 /* Process range list. */
91d6fa6a 2506 unsigned int lmax = debug_info_p->max_range_lists;
19e6b90e
L		 2507 unsigned int num = debug_info_p->num_range_lists;
2508
91d6fa6a 2509 if (lmax == 0 || num >= lmax)
19e6b90e 2510 {
91d6fa6a 2511 lmax += 1024;
467c65bc 2512 debug_info_p->range_lists = (dwarf_vma *)
b4eb7656
AM		 2513 xcrealloc (debug_info_p->range_lists,
2514 lmax, sizeof (*debug_info_p->range_lists));
91d6fa6a 2515 debug_info_p->max_range_lists = lmax;
19e6b90e
L		 2516 }
2517 debug_info_p->range_lists [num] = uvalue;
2518 debug_info_p->num_range_lists++;
2519 }
2520 break;
2521
d85bf2ba
NC		 2522 case DW_AT_GNU_dwo_name:
2523 case DW_AT_dwo_name:
2524 if (need_dwo_info)
2525 switch (form)
2526 {
2527 case DW_FORM_strp:
24841daa 2528 add_dwo_name ((const char *) fetch_indirect_string (uvalue));
d85bf2ba
NC		 2529 break;
2530 case DW_FORM_GNU_str_index:
24841daa 2531 add_dwo_name (fetch_indexed_string (uvalue, this_set, offset_size, FALSE));
d85bf2ba
NC		 2532 break;
2533 case DW_FORM_string:
24841daa 2534 add_dwo_name ((const char *) orig_data);
d85bf2ba
NC		 2535 break;
2536 default:
2537 warn (_("Unsupported form (%s) for attribute %s\n"),
2538 get_FORM_name (form), get_AT_name (attribute));
d85bf2ba
NC		 2539 break;
2540 }
2541 break;
2542
2543 case DW_AT_comp_dir:
2544 /* FIXME: Also extract a build-id in a CU/TU. */
2545 if (need_dwo_info)
2546 switch (form)
2547 {
2548 case DW_FORM_strp:
24841daa 2549 add_dwo_dir ((const char *) fetch_indirect_string (uvalue));
d85bf2ba
NC		 2550 break;
2551 case DW_FORM_line_strp:
24841daa 2552 add_dwo_dir ((const char *) fetch_indirect_line_string (uvalue));
d85bf2ba
NC		 2553 break;
2554 case DW_FORM_GNU_str_index:
24841daa 2555 add_dwo_dir (fetch_indexed_string (uvalue, this_set, offset_size, FALSE));
d85bf2ba
NC		 2556 break;
2557 case DW_FORM_string:
24841daa 2558 add_dwo_dir ((const char *) orig_data);
d85bf2ba
NC		 2559 break;
2560 default:
2561 warn (_("Unsupported form (%s) for attribute %s\n"),
2562 get_FORM_name (form), get_AT_name (attribute));
d85bf2ba
NC		 2563 break;
2564 }
2565 break;
2566
2567 case DW_AT_GNU_dwo_id:
2568 if (need_dwo_info)
2569 switch (form)
2570 {
2571 case DW_FORM_data8:
24841daa
NC		 2572 /* FIXME: Record the length of the ID as well ? */
2573 add_dwo_id ((const char *) (data - 8));
d85bf2ba
NC		 2574 break;
2575 default:
2576 warn (_("Unsupported form (%s) for attribute %s\n"),
2577 get_FORM_name (form), get_AT_name (attribute));
d85bf2ba
NC		 2578 break;
2579 }
2580 break;
2581
19e6b90e
L		 2582 default:
2583 break;
2584 }
2585 }
2586
4ccf1e31 2587 if (do_loc || attribute == 0)
19e6b90e
L		 2588 return data;
2589
ec4d4525 2590 /* For some attributes we can display further information. */
19e6b90e
L		 2591 switch (attribute)
2592 {
ec1b0fbb 2593 case DW_AT_type:
b3fe587e
AM		 2594 if (level >= 0 && level < MAX_CU_NESTING
2595 && uvalue < (size_t) (end - start))
ec1b0fbb
NC		 2596 {
2597 bfd_boolean is_signed = FALSE;
2598
2599 get_type_signedness (start, start + uvalue, end, pointer_size,
2600 offset_size, dwarf_version, & is_signed, FALSE);
2601 level_type_signed[level] = is_signed;
2602 }
2603 break;
2604
19e6b90e 2605 case DW_AT_inline:
2e9e81a8 2606 printf ("\t");
19e6b90e
L		 2607 switch (uvalue)
2608 {
2609 case DW_INL_not_inlined:
2610 printf (_("(not inlined)"));
2611 break;
2612 case DW_INL_inlined:
2613 printf (_("(inlined)"));
2614 break;
2615 case DW_INL_declared_not_inlined:
2616 printf (_("(declared as inline but ignored)"));
2617 break;
2618 case DW_INL_declared_inlined:
2619 printf (_("(declared as inline and inlined)"));
2620 break;
2621 default:
47704ddf
KT		 2622 printf (_(" (Unknown inline attribute value: %s)"),
2623 dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 2624 break;
2625 }
2626 break;
2627
2628 case DW_AT_language:
2e9e81a8 2629 printf ("\t");
19e6b90e
L		 2630 switch (uvalue)
2631 {
4b78141a 2632 /* Ordered by the numeric value of these constants. */
19e6b90e 2633 case DW_LANG_C89: printf ("(ANSI C)"); break;
4b78141a
NC		 2634 case DW_LANG_C: printf ("(non-ANSI C)"); break;
2635 case DW_LANG_Ada83: printf ("(Ada)"); break;
19e6b90e 2636 case DW_LANG_C_plus_plus: printf ("(C++)"); break;
4b78141a
NC		 2637 case DW_LANG_Cobol74: printf ("(Cobol 74)"); break;
2638 case DW_LANG_Cobol85: printf ("(Cobol 85)"); break;
19e6b90e
L		 2639 case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break;
2640 case DW_LANG_Fortran90: printf ("(Fortran 90)"); break;
19e6b90e 2641 case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break;
4b78141a 2642 case DW_LANG_Modula2: printf ("(Modula 2)"); break;
19e6b90e 2643 /* DWARF 2.1 values. */
4b78141a 2644 case DW_LANG_Java: printf ("(Java)"); break;
19e6b90e
L		 2645 case DW_LANG_C99: printf ("(ANSI C99)"); break;
2646 case DW_LANG_Ada95: printf ("(ADA 95)"); break;
2647 case DW_LANG_Fortran95: printf ("(Fortran 95)"); break;
4b78141a
NC		 2648 /* DWARF 3 values. */
2649 case DW_LANG_PLI: printf ("(PLI)"); break;
2650 case DW_LANG_ObjC: printf ("(Objective C)"); break;
2651 case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break;
2652 case DW_LANG_UPC: printf ("(Unified Parallel C)"); break;
2653 case DW_LANG_D: printf ("(D)"); break;
2b6f5997
CC		 2654 /* DWARF 4 values. */
2655 case DW_LANG_Python: printf ("(Python)"); break;
3362e0d9 2656 /* DWARF 5 values. */
2008a0db 2657 case DW_LANG_OpenCL: printf ("(OpenCL)"); break;
3362e0d9 2658 case DW_LANG_Go: printf ("(Go)"); break;
2008a0db
TT		 2659 case DW_LANG_Modula3: printf ("(Modula 3)"); break;
2660 case DW_LANG_Haskell: printf ("(Haskell)"); break;
2661 case DW_LANG_C_plus_plus_03: printf ("(C++03)"); break;
8bc10620 2662 case DW_LANG_C_plus_plus_11: printf ("(C++11)"); break;
2008a0db
TT		 2663 case DW_LANG_OCaml: printf ("(OCaml)"); break;
2664 case DW_LANG_Rust: printf ("(Rust)"); break;
6ddfe5b4 2665 case DW_LANG_C11: printf ("(C11)"); break;
2008a0db
TT		 2666 case DW_LANG_Swift: printf ("(Swift)"); break;
2667 case DW_LANG_Julia: printf ("(Julia)"); break;
2668 case DW_LANG_Dylan: printf ("(Dylan)"); break;
8bc10620 2669 case DW_LANG_C_plus_plus_14: printf ("(C++14)"); break;
5a195044
MW		 2670 case DW_LANG_Fortran03: printf ("(Fortran 03)"); break;
2671 case DW_LANG_Fortran08: printf ("(Fortran 08)"); break;
2008a0db 2672 case DW_LANG_RenderScript: printf ("(RenderScript)"); break;
19e6b90e
L		 2673 /* MIPS extension. */
2674 case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break;
2675 /* UPC extension. */
2676 case DW_LANG_Upc: printf ("(Unified Parallel C)"); break;
2677 default:
4b78141a 2678 if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user)
9cf03b7e 2679 printf (_("(implementation defined: %s)"),
467c65bc 2680 dwarf_vmatoa ("x", uvalue));
4b78141a 2681 else
9cf03b7e 2682 printf (_("(Unknown: %s)"), dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 2683 break;
2684 }
2685 break;
2686
2687 case DW_AT_encoding:
2e9e81a8 2688 printf ("\t");
19e6b90e
L		 2689 switch (uvalue)
2690 {
2691 case DW_ATE_void: printf ("(void)"); break;
2692 case DW_ATE_address: printf ("(machine address)"); break;
2693 case DW_ATE_boolean: printf ("(boolean)"); break;
2694 case DW_ATE_complex_float: printf ("(complex float)"); break;
2695 case DW_ATE_float: printf ("(float)"); break;
2696 case DW_ATE_signed: printf ("(signed)"); break;
2697 case DW_ATE_signed_char: printf ("(signed char)"); break;
2698 case DW_ATE_unsigned: printf ("(unsigned)"); break;
2699 case DW_ATE_unsigned_char: printf ("(unsigned char)"); break;
e2a0d921 2700 /* DWARF 2.1 values: */
19e6b90e
L		 2701 case DW_ATE_imaginary_float: printf ("(imaginary float)"); break;
2702 case DW_ATE_decimal_float: printf ("(decimal float)"); break;
e2a0d921
NC		 2703 /* DWARF 3 values: */
2704 case DW_ATE_packed_decimal: printf ("(packed_decimal)"); break;
2705 case DW_ATE_numeric_string: printf ("(numeric_string)"); break;
2706 case DW_ATE_edited: printf ("(edited)"); break;
2707 case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break;
2708 case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break;
04914e37
NC		 2709 /* DWARF 4 values: */
2710 case DW_ATE_UTF: printf ("(unicode string)"); break;
2711 /* DWARF 5 values: */
2712 case DW_ATE_UCS: printf ("(UCS)"); break;
2713 case DW_ATE_ASCII: printf ("(ASCII)"); break;
2714
e2a0d921
NC		 2715 /* HP extensions: */
2716 case DW_ATE_HP_float80: printf ("(HP_float80)"); break;
2717 case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break;
2718 case DW_ATE_HP_float128: printf ("(HP_float128)"); break;
2719 case DW_ATE_HP_complex_float128:printf ("(HP_complex_float128)"); break;
2720 case DW_ATE_HP_floathpintel: printf ("(HP_floathpintel)"); break;
2721 case DW_ATE_HP_imaginary_float80: printf ("(HP_imaginary_float80)"); break;
2722 case DW_ATE_HP_imaginary_float128: printf ("(HP_imaginary_float128)"); break;
2723
19e6b90e
L		 2724 default:
2725 if (uvalue >= DW_ATE_lo_user
2726 && uvalue <= DW_ATE_hi_user)
9cf03b7e 2727 printf (_("(user defined type)"));
19e6b90e 2728 else
9cf03b7e 2729 printf (_("(unknown type)"));
19e6b90e
L		 2730 break;
2731 }
2732 break;
2733
2734 case DW_AT_accessibility:
2e9e81a8 2735 printf ("\t");
19e6b90e
L		 2736 switch (uvalue)
2737 {
2738 case DW_ACCESS_public: printf ("(public)"); break;
2739 case DW_ACCESS_protected: printf ("(protected)"); break;
2740 case DW_ACCESS_private: printf ("(private)"); break;
2741 default:
9cf03b7e 2742 printf (_("(unknown accessibility)"));
19e6b90e
L		 2743 break;
2744 }
2745 break;
2746
2747 case DW_AT_visibility:
2e9e81a8 2748 printf ("\t");
19e6b90e
L		 2749 switch (uvalue)
2750 {
2751 case DW_VIS_local: printf ("(local)"); break;
2752 case DW_VIS_exported: printf ("(exported)"); break;
2753 case DW_VIS_qualified: printf ("(qualified)"); break;
9cf03b7e 2754 default: printf (_("(unknown visibility)")); break;
19e6b90e
L		 2755 }
2756 break;
2757
04914e37
NC		 2758 case DW_AT_endianity:
2759 printf ("\t");
2760 switch (uvalue)
2761 {
2762 case DW_END_default: printf ("(default)"); break;
2763 case DW_END_big: printf ("(big)"); break;
2764 case DW_END_little: printf ("(little)"); break;
2765 default:
2766 if (uvalue >= DW_END_lo_user && uvalue <= DW_END_hi_user)
2767 printf (_("(user specified)"));
2768 else
2769 printf (_("(unknown endianity)"));
2770 break;
2771 }
2772 break;
2773
19e6b90e 2774 case DW_AT_virtuality:
2e9e81a8 2775 printf ("\t");
19e6b90e
L		 2776 switch (uvalue)
2777 {
2778 case DW_VIRTUALITY_none: printf ("(none)"); break;
2779 case DW_VIRTUALITY_virtual: printf ("(virtual)"); break;
2780 case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break;
9cf03b7e 2781 default: printf (_("(unknown virtuality)")); break;
19e6b90e
L		 2782 }
2783 break;
2784
2785 case DW_AT_identifier_case:
2e9e81a8 2786 printf ("\t");
19e6b90e
L		 2787 switch (uvalue)
2788 {
2789 case DW_ID_case_sensitive: printf ("(case_sensitive)"); break;
2790 case DW_ID_up_case: printf ("(up_case)"); break;
2791 case DW_ID_down_case: printf ("(down_case)"); break;
2792 case DW_ID_case_insensitive: printf ("(case_insensitive)"); break;
9cf03b7e 2793 default: printf (_("(unknown case)")); break;
19e6b90e
L		 2794 }
2795 break;
2796
2797 case DW_AT_calling_convention:
2e9e81a8 2798 printf ("\t");
19e6b90e
L		 2799 switch (uvalue)
2800 {
2801 case DW_CC_normal: printf ("(normal)"); break;
2802 case DW_CC_program: printf ("(program)"); break;
2803 case DW_CC_nocall: printf ("(nocall)"); break;
04914e37
NC		 2804 case DW_CC_pass_by_reference: printf ("(pass by ref)"); break;
2805 case DW_CC_pass_by_value: printf ("(pass by value)"); break;
2806 case DW_CC_GNU_renesas_sh: printf ("(Rensas SH)"); break;
2807 case DW_CC_GNU_borland_fastcall_i386: printf ("(Borland fastcall i386)"); break;
19e6b90e
L		 2808 default:
2809 if (uvalue >= DW_CC_lo_user
2810 && uvalue <= DW_CC_hi_user)
9cf03b7e 2811 printf (_("(user defined)"));
19e6b90e 2812 else
9cf03b7e 2813 printf (_("(unknown convention)"));
19e6b90e
L		 2814 }
2815 break;
2816
2817 case DW_AT_ordering:
2e9e81a8 2818 printf ("\t");
19e6b90e
L		 2819 switch (uvalue)
2820 {
04914e37 2821 case 255:
9cf03b7e 2822 case -1: printf (_("(undefined)")); break;
19e6b90e
L		 2823 case 0: printf ("(row major)"); break;
2824 case 1: printf ("(column major)"); break;
2825 }
2826 break;
2827
04914e37
NC		 2828 case DW_AT_decimal_sign:
2829 printf ("\t");
2830 switch (uvalue)
2831 {
2832 case DW_DS_unsigned: printf (_("(unsigned)")); break;
2833 case DW_DS_leading_overpunch: printf (_("(leading overpunch)")); break;
2834 case DW_DS_trailing_overpunch: printf (_("(trailing overpunch)")); break;
2835 case DW_DS_leading_separate: printf (_("(leading separate)")); break;
2836 case DW_DS_trailing_separate: printf (_("(trailing separate)")); break;
2837 default: printf (_("(unrecognised)")); break;
2838 }
2839 break;
2840
2841 case DW_AT_defaulted:
2842 printf ("\t");
2843 switch (uvalue)
2844 {
2845 case DW_DEFAULTED_no: printf (_("(no)")); break;
2846 case DW_DEFAULTED_in_class: printf (_("(in class)")); break;
2847 case DW_DEFAULTED_out_of_class: printf (_("(out of class)")); break;
2848 default: printf (_("(unrecognised)")); break;
2849 }
2850 break;
2851
2852 case DW_AT_discr_list:
2853 printf ("\t");
ec1b0fbb 2854 display_discr_list (form, uvalue, data, end, level);
04914e37
NC		 2855 break;
2856
19e6b90e
L		 2857 case DW_AT_frame_base:
2858 have_frame_base = 1;
1a0670f3 2859 /* Fall through. */
19e6b90e 2860 case DW_AT_location:
e2a0d921
NC		 2861 case DW_AT_string_length:
2862 case DW_AT_return_addr:
19e6b90e
L		 2863 case DW_AT_data_member_location:
2864 case DW_AT_vtable_elem_location:
e2a0d921
NC		 2865 case DW_AT_segment:
2866 case DW_AT_static_link:
2867 case DW_AT_use_location:
bc0a77d2 2868 case DW_AT_call_value:
629e7ca8 2869 case DW_AT_GNU_call_site_value:
bc0a77d2 2870 case DW_AT_call_data_value:
629e7ca8 2871 case DW_AT_GNU_call_site_data_value:
bc0a77d2 2872 case DW_AT_call_target:
629e7ca8 2873 case DW_AT_GNU_call_site_target:
bc0a77d2 2874 case DW_AT_call_target_clobbered:
629e7ca8 2875 case DW_AT_GNU_call_site_target_clobbered:
212b6063 2876 if ((dwarf_version < 4
b4eb7656 2877 && (form == DW_FORM_data4 || form == DW_FORM_data8))
932fd279 2878 || form == DW_FORM_sec_offset)
2e9e81a8 2879 printf (_(" (location list)"));
e2a0d921 2880 /* Fall through. */
19e6b90e
L		 2881 case DW_AT_allocated:
2882 case DW_AT_associated:
2883 case DW_AT_data_location:
2884 case DW_AT_stride:
2885 case DW_AT_upper_bound:
cecf136e 2886 case DW_AT_lower_bound:
19e6b90e
L		 2887 if (block_start)
2888 {
2889 int need_frame_base;
2890
2e9e81a8 2891 printf ("\t(");
19e6b90e
L		 2892 need_frame_base = decode_location_expression (block_start,
2893 pointer_size,
b7807392
JJ		 2894 offset_size,
2895 dwarf_version,
19e6b90e 2896 uvalue,
f1c4cc75 2897 cu_offset, section);
19e6b90e
L		 2898 printf (")");
2899 if (need_frame_base && !have_frame_base)
2900 printf (_(" [without DW_AT_frame_base]"));
2901 }
19e6b90e
L		 2902 break;
2903
c54207d3
NC		 2904 case DW_AT_data_bit_offset:
2905 case DW_AT_byte_size:
2906 case DW_AT_bit_size:
2907 case DW_AT_string_length_byte_size:
2908 case DW_AT_string_length_bit_size:
2909 case DW_AT_bit_stride:
2910 if (form == DW_FORM_exprloc)
2911 {
2912 printf ("\t(");
2913 (void) decode_location_expression (block_start, pointer_size,
2914 offset_size, dwarf_version,
2915 uvalue, cu_offset, section);
2916 printf (")");
2917 }
2918 break;
2919
ec4d4525
NC		 2920 case DW_AT_import:
2921 {
a081f3cd
JJ		 2922 if (form == DW_FORM_ref_sig8
2923 || form == DW_FORM_GNU_ref_alt)
b4eb7656 2924 break;
2b6f5997 2925
ec4d4525
NC		 2926 if (form == DW_FORM_ref1
2927 || form == DW_FORM_ref2
a7a0b6a5
JK		 2928 || form == DW_FORM_ref4
2929 || form == DW_FORM_ref_udata)
ec4d4525
NC		 2930 uvalue += cu_offset;
2931
6e3d6dc1 2932 if (uvalue >= section->size)
f3853b34 2933 warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset 0x%lx is too big.\n"),
47704ddf
KT		 2934 dwarf_vmatoa ("x", uvalue),
2935 (unsigned long) (orig_data - section->start));
6e3d6dc1
NC		 2936 else
2937 {
2938 unsigned long abbrev_number;
cd30bcef
AM		 2939 abbrev_entry *entry;
2940 unsigned char *p = section->start + uvalue;
6e3d6dc1 2941
cd30bcef 2942 READ_ULEB (abbrev_number, p, end);
cecf136e 2943
2e9e81a8 2944 printf (_("\t[Abbrev Number: %ld"), abbrev_number);
afd6e1ff
JJ		 2945 /* Don't look up abbrev for DW_FORM_ref_addr, as it very often will
2946 use different abbrev table, and we don't track .debug_info chunks
2947 yet. */
2948 if (form != DW_FORM_ref_addr)
2949 {
2950 for (entry = first_abbrev; entry != NULL; entry = entry->next)
2951 if (entry->entry == abbrev_number)
2952 break;
2953 if (entry != NULL)
2954 printf (" (%s)", get_TAG_name (entry->tag));
2955 }
6e3d6dc1
NC		 2956 printf ("]");
2957 }
ec4d4525
NC		 2958 }
2959 break;
2960
19e6b90e
L		 2961 default:
2962 break;
2963 }
2964
2965 return data;
2966}
2967
19e6b90e 2968static unsigned char *
dda8d76d
NC		 2969read_and_display_attr (unsigned long attribute,
2970 unsigned long form,
2971 dwarf_signed_vma implicit_const,
ec1b0fbb 2972 unsigned char * start,
dda8d76d
NC		 2973 unsigned char * data,
2974 unsigned char * end,
2975 dwarf_vma cu_offset,
2976 dwarf_vma pointer_size,
2977 dwarf_vma offset_size,
2978 int dwarf_version,
2979 debug_info * debug_info_p,
2980 int do_loc,
2981 struct dwarf_section * section,
ec1b0fbb
NC		 2982 struct cu_tu_set * this_set,
2983 int level)
19e6b90e
L		 2984{
2985 if (!do_loc)
750f03b7 2986 printf (" %-18s:", get_AT_name (attribute));
ec1b0fbb
NC		 2987 data = read_and_display_attr_value (attribute, form, implicit_const,
2988 start, data, end,
f6f0e17b 2989 cu_offset, pointer_size, offset_size,
19e6b90e 2990 dwarf_version, debug_info_p,
ec1b0fbb 2991 do_loc, section, this_set, ' ', level);
19e6b90e
L		 2992 if (!do_loc)
2993 printf ("\n");
2994 return data;
2995}
2996
dda8d76d 2997/* Like load_debug_section, but if the ordinary call fails, and we are
24841daa
NC		 2998 following debug links, then attempt to load the requested section
2999 from one of the separate debug info files. */
dda8d76d
NC		 3000
3001static bfd_boolean
3002load_debug_section_with_follow (enum dwarf_section_display_enum sec_enum,
24841daa 3003 void * handle)
dda8d76d 3004{
24841daa 3005 if (load_debug_section (sec_enum, handle))
dda8d76d 3006 {
24841daa
NC		 3007 if (debug_displays[sec_enum].section.filename == NULL)
3008 {
3009 /* See if we can associate a filename with this section. */
3010 separate_info * i;
3011
3012 for (i = first_separate_info; i != NULL; i = i->next)
3013 if (i->handle == handle)
3014 {
3015 debug_displays[sec_enum].section.filename = i->filename;
3016 break;
3017 }
3018 }
3019
dda8d76d
NC		 3020 return TRUE;
3021 }
3022
24841daa
NC		 3023 if (do_follow_links)
3024 {
3025 separate_info * i;
3026
3027 for (i = first_separate_info; i != NULL; i = i->next)
3028 {
3029 if (load_debug_section (sec_enum, i->handle))
3030 {
3031 debug_displays[sec_enum].section.filename = i->filename;
3032
3033 /* FIXME: We should check to see if any of the remaining debug info
3034 files also contain this section, and, umm, do something about it. */
3035 return TRUE;
3036 }
3037 }
3038 }
dda8d76d
NC		 3039
3040 return FALSE;
3041}
3042
3043static void
3044introduce (struct dwarf_section * section, bfd_boolean raw)
3045{
3046 if (raw)
3047 {
3048 if (do_follow_links && section->filename)
3049 printf (_("Raw dump of debug contents of section %s (loaded from %s):\n\n"),
3050 section->name, section->filename);
3051 else
3052 printf (_("Raw dump of debug contents of section %s:\n\n"), section->name);
3053 }
3054 else
3055 {
3056 if (do_follow_links && section->filename)
3057 printf (_("Contents of the %s section (loaded from %s):\n\n"),
3058 section->name, section->filename);
3059 else
3060 printf (_("Contents of the %s section:\n\n"), section->name);
3061 }
3062}
3063
d85bf2ba
NC		 3064/* Process the contents of a .debug_info section.
3065 If do_loc is TRUE then we are scanning for location lists and dwo tags
3066 and we do not want to display anything to the user.
3067 If do_types is TRUE, we are processing a .debug_types section instead of
3068 a .debug_info section.
3069 The information displayed is restricted by the values in DWARF_START_DIE
3070 and DWARF_CUTOFF_LEVEL.
3071 Returns TRUE upon success. Otherwise an error or warning message is
3072 printed and FALSE is returned. */
19e6b90e 3073
d85bf2ba
NC		 3074static bfd_boolean
3075process_debug_info (struct dwarf_section * section,
3076 void * file,
3077 enum dwarf_section_display_enum abbrev_sec,
3078 bfd_boolean do_loc,
3079 bfd_boolean do_types)
19e6b90e
L		 3080{
3081 unsigned char *start = section->start;
3082 unsigned char *end = start + section->size;
3083 unsigned char *section_begin;
3084 unsigned int unit;
3085 unsigned int num_units = 0;
3086
3087 if ((do_loc || do_debug_loc || do_debug_ranges)
2b6f5997
CC		 3088 && num_debug_info_entries == 0
3089 && ! do_types)
19e6b90e 3090 {
767221a9 3091 dwarf_vma length;
19e6b90e
L		 3092
3093 /* First scan the section to get the number of comp units. */
3094 for (section_begin = start, num_units = 0; section_begin < end;
3095 num_units ++)
3096 {
3097 /* Read the first 4 bytes. For a 32-bit DWARF section, this
3098 will be the length. For a 64-bit DWARF section, it'll be
3099 the escape code 0xffffffff followed by an 8 byte length. */
0c588247 3100 SAFE_BYTE_GET (length, section_begin, 4, end);
19e6b90e
L		 3101
3102 if (length == 0xffffffff)
3103 {
0c588247 3104 SAFE_BYTE_GET (length, section_begin + 4, 8, end);
19e6b90e
L		 3105 section_begin += length + 12;
3106 }
ec4d4525
NC		 3107 else if (length >= 0xfffffff0 && length < 0xffffffff)
3108 {
767221a9
NC		 3109 warn (_("Reserved length value (0x%s) found in section %s\n"),
3110 dwarf_vmatoa ("x", length), section->name);
d85bf2ba 3111 return FALSE;
ec4d4525 3112 }
19e6b90e
L		 3113 else
3114 section_begin += length + 4;
aca88567
NC		 3115
3116 /* Negative values are illegal, they may even cause infinite
3117 looping. This can happen if we can't accurately apply
f3853b34
NC		 3118 relocations to an object file, or if the file is corrupt. */
3119 if ((signed long) length <= 0 || section_begin < start)
aca88567 3120 {
767221a9
NC		 3121 warn (_("Corrupt unit length (0x%s) found in section %s\n"),
3122 dwarf_vmatoa ("x", length), section->name);
d85bf2ba 3123 return FALSE;
aca88567 3124 }
19e6b90e
L		 3125 }
3126
3127 if (num_units == 0)
3128 {
f41e4712 3129 error (_("No comp units in %s section ?\n"), section->name);
d85bf2ba 3130 return FALSE;
19e6b90e
L		 3131 }
3132
3133 /* Then allocate an array to hold the information. */
3f5e193b 3134 debug_information = (debug_info *) cmalloc (num_units,
1306a742 3135 sizeof (* debug_information));
19e6b90e
L		 3136 if (debug_information == NULL)
3137 {
f41e4712 3138 error (_("Not enough memory for a debug info array of %u entries\n"),
19e6b90e 3139 num_units);
82b1b41b 3140 alloc_num_debug_info_entries = num_debug_info_entries = 0;
d85bf2ba 3141 return FALSE;
19e6b90e 3142 }
d85bf2ba 3143
03a91817
NC		 3144 /* PR 17531: file: 92ca3797.
3145 We cannot rely upon the debug_information array being initialised
3146 before it is used. A corrupt file could easily contain references
3147 to a unit for which information has not been made available. So
3148 we ensure that the array is zeroed here. */
b4eb7656
AM		 3149 memset (debug_information, 0, num_units * sizeof (*debug_information));
3150
82b1b41b 3151 alloc_num_debug_info_entries = num_units;
19e6b90e
L		 3152 }
3153
3154 if (!do_loc)
3155 {
dda8d76d
NC		 3156 load_debug_section_with_follow (str, file);
3157 load_debug_section_with_follow (line_str, file);
3158 load_debug_section_with_follow (str_dwo, file);
3159 load_debug_section_with_follow (str_index, file);
3160 load_debug_section_with_follow (str_index_dwo, file);
3161 load_debug_section_with_follow (debug_addr, file);
19e6b90e
L		 3162 }
3163
dda8d76d 3164 load_debug_section_with_follow (abbrev_sec, file);
6f875884 3165 if (debug_displays [abbrev_sec].section.start == NULL)
19e6b90e
L		 3166 {
3167 warn (_("Unable to locate %s section!\n"),
dda8d76d 3168 debug_displays [abbrev_sec].section.uncompressed_name);
d85bf2ba 3169 return FALSE;
19e6b90e
L		 3170 }
3171
dda8d76d
NC		 3172 if (!do_loc && dwarf_start_die == 0)
3173 introduce (section, FALSE);
3174
19e6b90e
L		 3175 for (section_begin = start, unit = 0; start < end; unit++)
3176 {
3177 DWARF2_Internal_CompUnit compunit;
3178 unsigned char *hdrptr;
19e6b90e 3179 unsigned char *tags;
fd2f0033 3180 int level, last_level, saved_level;
467c65bc 3181 dwarf_vma cu_offset;
e98fdf1a 3182 unsigned long sec_off;
bf5117e3 3183 unsigned int offset_size;
19485196 3184 unsigned int initial_length_size;
74bc6052
CC		 3185 dwarf_vma signature_high = 0;
3186 dwarf_vma signature_low = 0;
767221a9 3187 dwarf_vma type_offset = 0;
341f9135
CC		 3188 struct cu_tu_set *this_set;
3189 dwarf_vma abbrev_base;
3190 size_t abbrev_size;
19e6b90e
L		 3191
3192 hdrptr = start;
3193
0c588247 3194 SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end);
19e6b90e
L		 3195
3196 if (compunit.cu_length == 0xffffffff)
3197 {
0c588247 3198 SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end);
19e6b90e
L		 3199 offset_size = 8;
3200 initial_length_size = 12;
3201 }
3202 else
3203 {
3204 offset_size = 4;
3205 initial_length_size = 4;
3206 }
3207
0c588247 3208 SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end);
19e6b90e
L		 3209
3210 cu_offset = start - section_begin;
19e6b90e 3211
341f9135
CC		 3212 this_set = find_cu_tu_set_v2 (cu_offset, do_types);
3213
77145576
JK		 3214 if (compunit.cu_version < 5)
3215 {
3216 compunit.cu_unit_type = DW_UT_compile;
3217 /* Initialize it due to a false compiler warning. */
3218 compunit.cu_pointer_size = -1;
3219 }
3220 else
3221 {
3222 SAFE_BYTE_GET_AND_INC (compunit.cu_unit_type, hdrptr, 1, end);
3223 do_types = (compunit.cu_unit_type == DW_UT_type);
3224
3225 SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end);
3226 }
3227
0c588247 3228 SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end);
19e6b90e 3229
341f9135
CC		 3230 if (this_set == NULL)
3231 {
3232 abbrev_base = 0;
3233 abbrev_size = debug_displays [abbrev_sec].section.size;
3234 }
3235 else
3236 {
3237 abbrev_base = this_set->section_offsets [DW_SECT_ABBREV];
3238 abbrev_size = this_set->section_sizes [DW_SECT_ABBREV];
3239 }
3240
77145576
JK		 3241 if (compunit.cu_version < 5)
3242 SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end);
3243
f41e4712
NC		 3244 /* PR 17512: file: 001-108546-0.001:0.1. */
3245 if (compunit.cu_pointer_size < 2 || compunit.cu_pointer_size > 8)
3246 {
3247 warn (_("Invalid pointer size (%d) in compunit header, using %d instead\n"),
3248 compunit.cu_pointer_size, offset_size);
3249 compunit.cu_pointer_size = offset_size;
3250 }
2b6f5997
CC		 3251
3252 if (do_types)
b4eb7656 3253 {
0c588247 3254 SAFE_BYTE_GET64 (hdrptr, &signature_high, &signature_low, end);
f048b142 3255 hdrptr += 8;
0c588247 3256 SAFE_BYTE_GET_AND_INC (type_offset, hdrptr, offset_size, end);
b4eb7656 3257 }
2b6f5997 3258
ae7e7825
NC		 3259 if (dwarf_start_die > (cu_offset + compunit.cu_length
3260 + initial_length_size))
3261 {
3262 start = section_begin + cu_offset + compunit.cu_length
3263 + initial_length_size;
3264 continue;
3265 }
3266
19e6b90e 3267 if ((do_loc || do_debug_loc || do_debug_ranges)
2b6f5997
CC		 3268 && num_debug_info_entries == 0
3269 && ! do_types)
19e6b90e
L		 3270 {
3271 debug_information [unit].cu_offset = cu_offset;
3272 debug_information [unit].pointer_size
3273 = compunit.cu_pointer_size;
b7807392
JJ		 3274 debug_information [unit].offset_size = offset_size;
3275 debug_information [unit].dwarf_version = compunit.cu_version;
19e6b90e 3276 debug_information [unit].base_address = 0;
4723351a
CC		 3277 debug_information [unit].addr_base = DEBUG_INFO_UNAVAILABLE;
3278 debug_information [unit].ranges_base = DEBUG_INFO_UNAVAILABLE;
19e6b90e
L		 3279 debug_information [unit].loc_offsets = NULL;
3280 debug_information [unit].have_frame_base = NULL;
3281 debug_information [unit].max_loc_offsets = 0;
3282 debug_information [unit].num_loc_offsets = 0;
3283 debug_information [unit].range_lists = NULL;
3284 debug_information [unit].max_range_lists= 0;
3285 debug_information [unit].num_range_lists = 0;
3286 }
3287
fd2f0033 3288 if (!do_loc && dwarf_start_die == 0)
19e6b90e 3289 {
47704ddf
KT		 3290 printf (_(" Compilation Unit @ offset 0x%s:\n"),
3291 dwarf_vmatoa ("x", cu_offset));
3292 printf (_(" Length: 0x%s (%s)\n"),
3293 dwarf_vmatoa ("x", compunit.cu_length),
49e7b350 3294 offset_size == 8 ? "64-bit" : "32-bit");
19e6b90e 3295 printf (_(" Version: %d\n"), compunit.cu_version);
7282333f
AM		 3296 printf (_(" Abbrev Offset: 0x%s\n"),
3297 dwarf_vmatoa ("x", compunit.cu_abbrev_offset));
19e6b90e 3298 printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
2b6f5997
CC		 3299 if (do_types)
3300 {
74bc6052
CC		 3301 char buf[64];
3302
3303 printf (_(" Signature: 0x%s\n"),
3304 dwarf_vmatoa64 (signature_high, signature_low,
3305 buf, sizeof (buf)));
3306 printf (_(" Type Offset: 0x%s\n"),
3307 dwarf_vmatoa ("x", type_offset));
2b6f5997 3308 }
341f9135
CC		 3309 if (this_set != NULL)
3310 {
3311 dwarf_vma *offsets = this_set->section_offsets;
3312 size_t *sizes = this_set->section_sizes;
3313
3314 printf (_(" Section contributions:\n"));
3315 printf (_(" .debug_abbrev.dwo: 0x%s 0x%s\n"),
3316 dwarf_vmatoa ("x", offsets [DW_SECT_ABBREV]),
3317 dwarf_vmatoa ("x", sizes [DW_SECT_ABBREV]));
3318 printf (_(" .debug_line.dwo: 0x%s 0x%s\n"),
3319 dwarf_vmatoa ("x", offsets [DW_SECT_LINE]),
3320 dwarf_vmatoa ("x", sizes [DW_SECT_LINE]));
3321 printf (_(" .debug_loc.dwo: 0x%s 0x%s\n"),
3322 dwarf_vmatoa ("x", offsets [DW_SECT_LOC]),
3323 dwarf_vmatoa ("x", sizes [DW_SECT_LOC]));
3324 printf (_(" .debug_str_offsets.dwo: 0x%s 0x%s\n"),
3325 dwarf_vmatoa ("x", offsets [DW_SECT_STR_OFFSETS]),
3326 dwarf_vmatoa ("x", sizes [DW_SECT_STR_OFFSETS]));
3327 }
19e6b90e
L		 3328 }
3329
e98fdf1a
AM		 3330 sec_off = cu_offset + initial_length_size;
3331 if (sec_off + compunit.cu_length < sec_off
3332 || sec_off + compunit.cu_length > section->size)
460c89ff 3333 {
e98fdf1a
AM		 3334 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
3335 section->name,
3336 (unsigned long) cu_offset,
19485196
NC		 3337 dwarf_vmatoa ("x", compunit.cu_length));
3338 num_units = unit;
3339 break;
3340 }
3341
460c89ff
NS		 3342 tags = hdrptr;
3343 start += compunit.cu_length + initial_length_size;
3344
77145576 3345 if (compunit.cu_version < 2 || compunit.cu_version > 5)
19e6b90e 3346 {
47704ddf
KT		 3347 warn (_("CU at offset %s contains corrupt or "
3348 "unsupported version number: %d.\n"),
3349 dwarf_vmatoa ("x", cu_offset), compunit.cu_version);
19e6b90e
L		 3350 continue;
3351 }
3352
77145576
JK		 3353 if (compunit.cu_unit_type != DW_UT_compile
3354 && compunit.cu_unit_type != DW_UT_type)
3355 {
3356 warn (_("CU at offset %s contains corrupt or "
3357 "unsupported unit type: %d.\n"),
3358 dwarf_vmatoa ("x", cu_offset), compunit.cu_unit_type);
3359 continue;
3360 }
3361
19e6b90e
L		 3362 free_abbrevs ();
3363
d493b283 3364 /* Process the abbrevs used by this compilation unit. */
341f9135 3365 if (compunit.cu_abbrev_offset >= abbrev_size)
ec4d4525
NC		 3366 warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"),
3367 (unsigned long) compunit.cu_abbrev_offset,
341f9135 3368 (unsigned long) abbrev_size);
b4eb7656 3369 /* PR 17531: file:4bcd9ce9. */
a0a3b04c
L		 3370 else if ((abbrev_base + abbrev_size)
3371 > debug_displays [abbrev_sec].section.size)
3372 warn (_("Debug info is corrupted, abbrev size (%lx) is larger than abbrev section size (%lx)\n"),
3373 (unsigned long) abbrev_base + abbrev_size,
3374 (unsigned long) debug_displays [abbrev_sec].section.size);
460c89ff
NS		 3375 else
3376 process_abbrev_section
341f9135
CC		 3377 (((unsigned char *) debug_displays [abbrev_sec].section.start
3378 + abbrev_base + compunit.cu_abbrev_offset),
3379 ((unsigned char *) debug_displays [abbrev_sec].section.start
3380 + abbrev_base + abbrev_size));
19e6b90e
L		 3381
3382 level = 0;
fd2f0033
TT		 3383 last_level = level;
3384 saved_level = -1;
19e6b90e
L		 3385 while (tags < start)
3386 {
19e6b90e 3387 unsigned long abbrev_number;
ec4d4525 3388 unsigned long die_offset;
19e6b90e
L		 3389 abbrev_entry *entry;
3390 abbrev_attr *attr;
fd2f0033 3391 int do_printing = 1;
19e6b90e 3392
ec4d4525
NC		 3393 die_offset = tags - section_begin;
3394
cd30bcef 3395 READ_ULEB (abbrev_number, tags, start);
19e6b90e 3396
eb7cc021
JK		 3397 /* A null DIE marks the end of a list of siblings or it may also be
3398 a section padding. */
19e6b90e
L		 3399 if (abbrev_number == 0)
3400 {
eb7cc021
JK		 3401 /* Check if it can be a section padding for the last CU. */
3402 if (level == 0 && start == end)
3403 {
3404 unsigned char *chk;
3405
3406 for (chk = tags; chk < start; chk++)
3407 if (*chk != 0)
3408 break;
3409 if (chk == start)
3410 break;
3411 }
3412
4337774f
TT		 3413 if (!do_loc && die_offset >= dwarf_start_die
3414 && (dwarf_cutoff_level == -1
3415 || level < dwarf_cutoff_level))
399c99f7
L		 3416 printf (_(" <%d><%lx>: Abbrev Number: 0\n"),
3417 level, die_offset);
3418
19e6b90e 3419 --level;
ec4d4525
NC		 3420 if (level < 0)
3421 {
3422 static unsigned num_bogus_warns = 0;
3423
3424 if (num_bogus_warns < 3)
3425 {
4723351a
CC		 3426 warn (_("Bogus end-of-siblings marker detected at offset %lx in %s section\n"),
3427 die_offset, section->name);
ec4d4525
NC		 3428 num_bogus_warns ++;
3429 if (num_bogus_warns == 3)
3430 warn (_("Further warnings about bogus end-of-sibling markers suppressed\n"));
3431 }
3432 }
fd2f0033 3433 if (dwarf_start_die != 0 && level < saved_level)
d85bf2ba 3434 return TRUE;
19e6b90e
L		 3435 continue;
3436 }
3437
4b78141a 3438 if (!do_loc)
fd2f0033
TT		 3439 {
3440 if (dwarf_start_die != 0 && die_offset < dwarf_start_die)
3441 do_printing = 0;
3442 else
3443 {
3444 if (dwarf_start_die != 0 && die_offset == dwarf_start_die)
3445 saved_level = level;
3446 do_printing = (dwarf_cutoff_level == -1
3447 || level < dwarf_cutoff_level);
3448 if (do_printing)
3449 printf (_(" <%d><%lx>: Abbrev Number: %lu"),
3450 level, die_offset, abbrev_number);
3451 else if (dwarf_cutoff_level == -1
3452 || last_level < dwarf_cutoff_level)
3453 printf (_(" <%d><%lx>: ...\n"), level, die_offset);
3454 last_level = level;
3455 }
3456 }
cecf136e 3457
19e6b90e
L		 3458 /* Scan through the abbreviation list until we reach the
3459 correct entry. */
3460 for (entry = first_abbrev;
3461 entry && entry->entry != abbrev_number;
3462 entry = entry->next)
3463 continue;
3464
3465 if (entry == NULL)
3466 {
fd2f0033 3467 if (!do_loc && do_printing)
4b78141a
NC		 3468 {
3469 printf ("\n");
3470 fflush (stdout);
3471 }
f3853b34 3472 warn (_("DIE at offset 0x%lx refers to abbreviation number %lu which does not exist\n"),
cc86f28f 3473 die_offset, abbrev_number);
d85bf2ba 3474 return FALSE;
19e6b90e
L		 3475 }
3476
fd2f0033 3477 if (!do_loc && do_printing)
cc5914eb 3478 printf (" (%s)\n", get_TAG_name (entry->tag));
cecf136e 3479
19e6b90e
L		 3480 switch (entry->tag)
3481 {
3482 default:
3483 need_base_address = 0;
3484 break;
3485 case DW_TAG_compile_unit:
d85bf2ba
NC		 3486 need_base_address = 1;
3487 need_dwo_info = do_loc;
19e6b90e
L		 3488 break;
3489 case DW_TAG_entry_point:
19e6b90e
L		 3490 case DW_TAG_subprogram:
3491 need_base_address = 0;
3492 /* Assuming that there is no DW_AT_frame_base. */
3493 have_frame_base = 0;
3494 break;
3495 }
3496
9f272209
AO		 3497 debug_info *debug_info_p =
3498 (debug_information && unit < alloc_num_debug_info_entries)
3499 ? debug_information + unit : NULL;
3500
3501 assert (!debug_info_p
3502 || (debug_info_p->num_loc_offsets
3503 == debug_info_p->num_loc_views));
3504
399c99f7
L		 3505 for (attr = entry->first_attr;
3506 attr && attr->attribute;
3507 attr = attr->next)
4b78141a 3508 {
fd2f0033 3509 if (! do_loc && do_printing)
4b78141a 3510 /* Show the offset from where the tag was extracted. */
fd2f0033 3511 printf (" <%lx>", (unsigned long)(tags - section_begin));
4b78141a
NC		 3512 tags = read_and_display_attr (attr->attribute,
3513 attr->form,
77145576 3514 attr->implicit_const,
ec1b0fbb 3515 section_begin,
341f9135 3516 tags,
f6f0e17b 3517 end,
341f9135 3518 cu_offset,
4b78141a
NC		 3519 compunit.cu_pointer_size,
3520 offset_size,
3521 compunit.cu_version,
9f272209 3522 debug_info_p,
341f9135
CC		 3523 do_loc || ! do_printing,
3524 section,
ec1b0fbb
NC		 3525 this_set,
3526 level);
4b78141a 3527 }
cecf136e 3528
9f272209
AO		 3529 /* If a locview attribute appears before a location one,
3530 make sure we don't associate it with an earlier
3531 loclist. */
3532 if (debug_info_p)
3533 switch (debug_info_p->num_loc_offsets - debug_info_p->num_loc_views)
3534 {
3535 case 1:
3536 debug_info_p->loc_views [debug_info_p->num_loc_views] = vm1;
3537 debug_info_p->num_loc_views++;
3538 assert (debug_info_p->num_loc_views
3539 == debug_info_p->num_loc_offsets);
3540 break;
3541
3542 case 0:
3543 break;
3544
3545 case -1:
3546 warn(_("DIE has locviews without loclist\n"));
3547 debug_info_p->num_loc_views--;
3548 break;
3549
3550 default:
3551 assert (0);
3552 }
3553
b4eb7656
AM		 3554 if (entry->children)
3555 ++level;
3556 }
19e6b90e 3557 }
cecf136e 3558
19e6b90e
L		 3559 /* Set num_debug_info_entries here so that it can be used to check if
3560 we need to process .debug_loc and .debug_ranges sections. */
3561 if ((do_loc || do_debug_loc || do_debug_ranges)
2b6f5997
CC		 3562 && num_debug_info_entries == 0
3563 && ! do_types)
82b1b41b 3564 {
b4eb7656 3565 if (num_units > alloc_num_debug_info_entries)
82b1b41b
NC		 3566 num_debug_info_entries = alloc_num_debug_info_entries;
3567 else
3568 num_debug_info_entries = num_units;
3569 }
cecf136e 3570
19e6b90e 3571 if (!do_loc)
467c65bc 3572 printf ("\n");
cecf136e 3573
d85bf2ba 3574 return TRUE;
19e6b90e
L		 3575}
3576
3577/* Locate and scan the .debug_info section in the file and record the pointer
3578 sizes and offsets for the compilation units in it. Usually an executable
3579 will have just one pointer size, but this is not guaranteed, and so we try
3580 not to make any assumptions. Returns zero upon failure, or the number of
3581 compilation units upon success. */
3582
3583static unsigned int
3584load_debug_info (void * file)
3585{
1febe64d 3586 /* If we have already tried and failed to load the .debug_info
657d0d47 3587 section then do not bother to repeat the task. */
cc86f28f 3588 if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE)
1febe64d
NC		 3589 return 0;
3590
19e6b90e
L		 3591 /* If we already have the information there is nothing else to do. */
3592 if (num_debug_info_entries > 0)
3593 return num_debug_info_entries;
3594
341f9135 3595 /* If this is a DWARF package file, load the CU and TU indexes. */
43a444f9 3596 (void) load_cu_tu_indexes (file);
341f9135 3597
dda8d76d 3598 if (load_debug_section_with_follow (info, file)
d85bf2ba 3599 && process_debug_info (&debug_displays [info].section, file, abbrev, TRUE, FALSE))
19e6b90e 3600 return num_debug_info_entries;
82b1b41b 3601
dda8d76d 3602 if (load_debug_section_with_follow (info_dwo, file)
82b1b41b 3603 && process_debug_info (&debug_displays [info_dwo].section, file,
d85bf2ba 3604 abbrev_dwo, TRUE, FALSE))
4723351a 3605 return num_debug_info_entries;
1febe64d 3606
cc86f28f 3607 num_debug_info_entries = DEBUG_INFO_UNAVAILABLE;
1febe64d 3608 return 0;
19e6b90e
L		 3609}
3610
b40bf0a2
NC		 3611/* Read a DWARF .debug_line section header starting at DATA.
3612 Upon success returns an updated DATA pointer and the LINFO
3613 structure and the END_OF_SEQUENCE pointer will be filled in.
3614 Otherwise returns NULL. */
19e6b90e 3615
b40bf0a2
NC		 3616static unsigned char *
3617read_debug_line_header (struct dwarf_section * section,
3618 unsigned char * data,
3619 unsigned char * end,
3620 DWARF2_Internal_LineInfo * linfo,
3621 unsigned char ** end_of_sequence)
3622{
3623 unsigned char *hdrptr;
b40bf0a2 3624 unsigned int initial_length_size;
19e6b90e 3625
b40bf0a2
NC		 3626 /* Extract information from the Line Number Program Header.
3627 (section 6.2.4 in the Dwarf3 doc). */
6937bb54 3628 hdrptr = data;
19e6b90e 3629
b40bf0a2
NC		 3630 /* Get and check the length of the block. */
3631 SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 4, end);
19e6b90e 3632
b40bf0a2 3633 if (linfo->li_length == 0xffffffff)
f41e4712
NC		 3634 {
3635 /* This section is 64-bit DWARF 3. */
b40bf0a2 3636 SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end);
77145576 3637 linfo->li_offset_size = 8;
f41e4712
NC		 3638 initial_length_size = 12;
3639 }
3640 else
3641 {
77145576 3642 linfo->li_offset_size = 4;
f41e4712
NC		 3643 initial_length_size = 4;
3644 }
19e6b90e 3645
b40bf0a2 3646 if (linfo->li_length + initial_length_size > section->size)
f41e4712 3647 {
8fcc61b4
NC		 3648 /* If the length field has a relocation against it, then we should
3649 not complain if it is inaccurate (and probably negative). This
3650 happens in object files when the .debug_line section is actually
3651 comprised of several different .debug_line.* sections, (some of
3652 which may be removed by linker garbage collection), and a relocation
3653 is used to compute the correct length once that is done. */
77145576 3654 if (reloc_at (section, (hdrptr - section->start) - linfo->li_offset_size))
b40bf0a2 3655 {
8fcc61b4 3656 linfo->li_length = (end - data) - initial_length_size;
b40bf0a2
NC		 3657 }
3658 else
3659 {
8fcc61b4
NC		 3660 warn (_("The length field (0x%lx) in the debug_line header is wrong - the section is too small\n"),
3661 (long) linfo->li_length);
b40bf0a2
NC		 3662 return NULL;
3663 }
f41e4712 3664 }
19e6b90e 3665
b40bf0a2
NC		 3666 /* Get and check the version number. */
3667 SAFE_BYTE_GET_AND_INC (linfo->li_version, hdrptr, 2, end);
3668
3669 if (linfo->li_version != 2
3670 && linfo->li_version != 3
77145576
JK		 3671 && linfo->li_version != 4
3672 && linfo->li_version != 5)
f41e4712 3673 {
77145576
JK		 3674 warn (_("Only DWARF version 2, 3, 4 and 5 line info "
3675 "is currently supported.\n"));
b40bf0a2 3676 return NULL;
f41e4712 3677 }
19e6b90e 3678
77145576
JK		 3679 if (linfo->li_version >= 5)
3680 {
5496f3c6 3681 SAFE_BYTE_GET_AND_INC (linfo->li_address_size, hdrptr, 1, end);
77145576 3682
5496f3c6
NC		 3683 SAFE_BYTE_GET_AND_INC (linfo->li_segment_size, hdrptr, 1, end);
3684 if (linfo->li_segment_size != 0)
77145576
JK		 3685 {
3686 warn (_("The %s section contains "
3687 "unsupported segment selector size: %d.\n"),
5496f3c6
NC		 3688 section->name, linfo->li_segment_size);
3689 return NULL;
77145576
JK		 3690 }
3691 }
3692
3693 SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr,
3694 linfo->li_offset_size, end);
b40bf0a2 3695 SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end);
0c588247 3696
b40bf0a2 3697 if (linfo->li_version >= 4)
f41e4712 3698 {
b40bf0a2 3699 SAFE_BYTE_GET_AND_INC (linfo->li_max_ops_per_insn, hdrptr, 1, end);
0c588247 3700
b40bf0a2 3701 if (linfo->li_max_ops_per_insn == 0)
f41e4712
NC		 3702 {
3703 warn (_("Invalid maximum operations per insn.\n"));
b40bf0a2 3704 return NULL;
a233b20c 3705 }
f41e4712
NC		 3706 }
3707 else
b40bf0a2 3708 linfo->li_max_ops_per_insn = 1;
0c588247 3709
b40bf0a2 3710 SAFE_BYTE_GET_AND_INC (linfo->li_default_is_stmt, hdrptr, 1, end);
65879393 3711 SAFE_SIGNED_BYTE_GET_AND_INC (linfo->li_line_base, hdrptr, 1, end);
b40bf0a2
NC		 3712 SAFE_BYTE_GET_AND_INC (linfo->li_line_range, hdrptr, 1, end);
3713 SAFE_BYTE_GET_AND_INC (linfo->li_opcode_base, hdrptr, 1, end);
19e6b90e 3714
b40bf0a2 3715 * end_of_sequence = data + linfo->li_length + initial_length_size;
b4eb7656 3716 /* PR 17512: file:002-117414-0.004. */
6937bb54
NC		 3717 if (* end_of_sequence > end)
3718 {
4c219c2e
AM		 3719 warn (_("Line length %s extends beyond end of section\n"),
3720 dwarf_vmatoa ("u", linfo->li_length));
6937bb54
NC		 3721 * end_of_sequence = end;
3722 return NULL;
3723 }
3724
b40bf0a2
NC		 3725 return hdrptr;
3726}
19e6b90e 3727
77145576 3728static unsigned char *
dda8d76d
NC		 3729display_formatted_table (unsigned char * data,
3730 unsigned char * start,
3731 unsigned char * end,
3732 const DWARF2_Internal_LineInfo * linfo,
3733 struct dwarf_section * section,
7b8d9e8c 3734 bfd_boolean is_dir)
77145576
JK		 3735{
3736 unsigned char *format_start, format_count, *format, formati;
3737 dwarf_vma data_count, datai;
cd30bcef 3738 unsigned int namepass, last_entry = 0;
5496f3c6
NC		 3739 const char * table_name = is_dir ? N_("Directory Table") : N_("File Name Table");
3740
77145576
JK		 3741 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
3742 format_start = data;
3743 for (formati = 0; formati < format_count; formati++)
3744 {
cd30bcef
AM		 3745 SKIP_ULEB (data, end);
3746 SKIP_ULEB (data, end);
77145576
JK		 3747 if (data == end)
3748 {
5496f3c6 3749 warn (_("%s: Corrupt format description entry\n"), table_name);
77145576
JK		 3750 return data;
3751 }
3752 }
3753
cd30bcef 3754 READ_ULEB (data_count, data, end);
77145576
JK		 3755 if (data == end)
3756 {
5496f3c6 3757 warn (_("%s: Corrupt entry count\n"), table_name);
77145576
JK		 3758 return data;
3759 }
3760
3761 if (data_count == 0)
3762 {
5496f3c6 3763 printf (_("\n The %s is empty.\n"), table_name);
77145576
JK		 3764 return data;
3765 }
5496f3c6
NC		 3766 else if (format_count == 0)
3767 {
3768 warn (_("%s: format count is zero, but the table is not empty\n"),
3769 table_name);
3770 return end;
3771 }
77145576 3772
5496f3c6
NC		 3773 printf (_("\n The %s (offset 0x%lx, lines %s, columns %u):\n"),
3774 table_name, (long) (data - start), dwarf_vmatoa ("u", data_count),
3775 format_count);
77145576
JK		 3776
3777 printf (_(" Entry"));
3778 /* Delay displaying name as the last entry for better screen layout. */
3779 for (namepass = 0; namepass < 2; namepass++)
3780 {
3781 format = format_start;
3782 for (formati = 0; formati < format_count; formati++)
3783 {
3784 dwarf_vma content_type;
3785
cd30bcef 3786 READ_ULEB (content_type, format, end);
77145576
JK		 3787 if ((content_type == DW_LNCT_path) == (namepass == 1))
3788 switch (content_type)
3789 {
3790 case DW_LNCT_path:
3791 printf (_("\tName"));
3792 break;
3793 case DW_LNCT_directory_index:
3794 printf (_("\tDir"));
3795 break;
3796 case DW_LNCT_timestamp:
3797 printf (_("\tTime"));
3798 break;
3799 case DW_LNCT_size:
3800 printf (_("\tSize"));
3801 break;
3802 case DW_LNCT_MD5:
5496f3c6 3803 printf (_("\tMD5\t\t\t"));
77145576
JK		 3804 break;
3805 default:
3806 printf (_("\t(Unknown format content type %s)"),
3807 dwarf_vmatoa ("u", content_type));
3808 }
cd30bcef 3809 SKIP_ULEB (format, end);
77145576
JK		 3810 }
3811 }
3812 putchar ('\n');
3813
3814 for (datai = 0; datai < data_count; datai++)
3815 {
3816 unsigned char *datapass = data;
3817
3818 printf (" %d", last_entry++);
3819 /* Delay displaying name as the last entry for better screen layout. */
3820 for (namepass = 0; namepass < 2; namepass++)
3821 {
3822 format = format_start;
3823 data = datapass;
3824 for (formati = 0; formati < format_count; formati++)
3825 {
3826 dwarf_vma content_type, form;
3827
cd30bcef
AM		 3828 READ_ULEB (content_type, format, end);
3829 READ_ULEB (form, format, end);
3830 data = read_and_display_attr_value (0, form, 0, start, data, end,
3831 0, 0, linfo->li_offset_size,
77145576
JK		 3832 linfo->li_version, NULL,
3833 ((content_type == DW_LNCT_path) != (namepass == 1)),
ec1b0fbb 3834 section, NULL, '\t', -1);
77145576
JK		 3835 }
3836 }
5496f3c6
NC		 3837
3838 if (data == end && (datai < data_count - 1))
77145576 3839 {
5496f3c6 3840 warn (_("\n%s: Corrupt entries list\n"), table_name);
77145576
JK		 3841 return data;
3842 }
3843 putchar ('\n');
3844 }
3845 return data;
3846}
3847
b40bf0a2 3848static int
dda8d76d
NC		 3849display_debug_lines_raw (struct dwarf_section * section,
3850 unsigned char * data,
3851 unsigned char * end,
3852 void * file)
b40bf0a2
NC		 3853{
3854 unsigned char *start = section->start;
ba8826a8 3855 int verbose_view = 0;
19e6b90e 3856
dda8d76d 3857 introduce (section, TRUE);
19e6b90e 3858
b40bf0a2
NC		 3859 while (data < end)
3860 {
3861 static DWARF2_Internal_LineInfo saved_linfo;
3862 DWARF2_Internal_LineInfo linfo;
3863 unsigned char *standard_opcodes;
3864 unsigned char *end_of_sequence;
fe59e83d 3865 int i;
19e6b90e 3866
4925cdd7
NC		 3867 if (const_strneq (section->name, ".debug_line.")
3868 /* Note: the following does not apply to .debug_line.dwo sections.
3869 These are full debug_line sections. */
3870 && strcmp (section->name, ".debug_line.dwo") != 0)
19e6b90e 3871 {
b40bf0a2
NC		 3872 /* Sections named .debug_line.<foo> are fragments of a .debug_line
3873 section containing just the Line Number Statements. They are
3874 created by the assembler and intended to be used alongside gcc's
3875 -ffunction-sections command line option. When the linker's
3876 garbage collection decides to discard a .text.<foo> section it
3877 can then also discard the line number information in .debug_line.<foo>.
3878
4925cdd7 3879 Since the section is a fragment it does not have the details
b40bf0a2 3880 needed to fill out a LineInfo structure, so instead we use the
4925cdd7 3881 details from the last full debug_line section that we processed. */
b40bf0a2
NC		 3882 end_of_sequence = end;
3883 standard_opcodes = NULL;
3884 linfo = saved_linfo;
058037d3
NC		 3885 /* PR 17531: file: 0522b371. */
3886 if (linfo.li_line_range == 0)
3887 {
1306a742 3888 warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n"));
058037d3
NC		 3889 return 0;
3890 }
b40bf0a2 3891 reset_state_machine (linfo.li_default_is_stmt);
19e6b90e 3892 }
19e6b90e
L		 3893 else
3894 {
b40bf0a2 3895 unsigned char * hdrptr;
19e6b90e 3896
b40bf0a2
NC		 3897 if ((hdrptr = read_debug_line_header (section, data, end, & linfo,
3898 & end_of_sequence)) == NULL)
3899 return 0;
19e6b90e 3900
b40bf0a2
NC		 3901 printf (_(" Offset: 0x%lx\n"), (long)(data - start));
3902 printf (_(" Length: %ld\n"), (long) linfo.li_length);
3903 printf (_(" DWARF Version: %d\n"), linfo.li_version);
5496f3c6
NC		 3904 if (linfo.li_version >= 5)
3905 {
3906 printf (_(" Address size (bytes): %d\n"), linfo.li_address_size);
3907 printf (_(" Segment selector (bytes): %d\n"), linfo.li_segment_size);
3908 }
77ef8654 3909 printf (_(" Prologue Length: %d\n"), (int) linfo.li_prologue_length);
b40bf0a2
NC		 3910 printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length);
3911 if (linfo.li_version >= 4)
3912 printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn);
3913 printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt);
3914 printf (_(" Line Base: %d\n"), linfo.li_line_base);
3915 printf (_(" Line Range: %d\n"), linfo.li_line_range);
3916 printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base);
19e6b90e 3917
0a9d414a
NC		 3918 /* PR 17512: file: 1665-6428-0.004. */
3919 if (linfo.li_line_range == 0)
3920 {
3921 warn (_("Line range of 0 is invalid, using 1 instead\n"));
3922 linfo.li_line_range = 1;
3923 }
77ef8654 3924
b40bf0a2 3925 reset_state_machine (linfo.li_default_is_stmt);
19e6b90e 3926
b40bf0a2
NC		 3927 /* Display the contents of the Opcodes table. */
3928 standard_opcodes = hdrptr;
19e6b90e 3929
6937bb54
NC		 3930 /* PR 17512: file: 002-417945-0.004. */
3931 if (standard_opcodes + linfo.li_opcode_base >= end)
3932 {
3933 warn (_("Line Base extends beyond end of section\n"));
3934 return 0;
3935 }
3936
b40bf0a2 3937 printf (_("\n Opcodes:\n"));
19e6b90e 3938
b40bf0a2 3939 for (i = 1; i < linfo.li_opcode_base; i++)
d3a49aa8
AM		 3940 printf (ngettext (" Opcode %d has %d arg\n",
3941 " Opcode %d has %d args\n",
3942 standard_opcodes[i - 1]),
3943 i, standard_opcodes[i - 1]);
19e6b90e 3944
b40bf0a2
NC		 3945 /* Display the contents of the Directory table. */
3946 data = standard_opcodes + linfo.li_opcode_base - 1;
19e6b90e 3947
77145576 3948 if (linfo.li_version >= 5)
b40bf0a2 3949 {
dda8d76d 3950 load_debug_section_with_follow (line_str, file);
19e6b90e 3951
77145576 3952 data = display_formatted_table (data, start, end, &linfo, section,
7b8d9e8c 3953 TRUE);
77145576 3954 data = display_formatted_table (data, start, end, &linfo, section,
7b8d9e8c 3955 FALSE);
77145576
JK		 3956 }
3957 else
3958 {
3959 if (*data == 0)
3960 printf (_("\n The Directory Table is empty.\n"));
3961 else
a233b20c 3962 {
77145576 3963 unsigned int last_dir_entry = 0;
6937bb54 3964
77145576
JK		 3965 printf (_("\n The Directory Table (offset 0x%lx):\n"),
3966 (long)(data - start));
19e6b90e 3967
77145576
JK		 3968 while (data < end && *data != 0)
3969 {
3970 printf (" %d\t%.*s\n", ++last_dir_entry, (int) (end - data), data);
19e6b90e 3971
77145576
JK		 3972 data += strnlen ((char *) data, end - data) + 1;
3973 }
19e6b90e 3974
77145576
JK		 3975 /* PR 17512: file: 002-132094-0.004. */
3976 if (data >= end - 1)
3977 break;
3978 }
19e6b90e 3979
77145576
JK		 3980 /* Skip the NUL at the end of the table. */
3981 data++;
19e6b90e 3982
77145576
JK		 3983 /* Display the contents of the File Name table. */
3984 if (*data == 0)
3985 printf (_("\n The File Name Table is empty.\n"));
3986 else
3987 {
3988 printf (_("\n The File Name Table (offset 0x%lx):\n"),
3989 (long)(data - start));
3990 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
19e6b90e 3991
77145576 3992 while (data < end && *data != 0)
b40bf0a2 3993 {
77145576 3994 unsigned char *name;
cd30bcef 3995 dwarf_vma val;
77145576
JK		 3996
3997 printf (" %d\t", ++state_machine_regs.last_file_entry);
3998 name = data;
3999 data += strnlen ((char *) data, end - data) + 1;
4000
cd30bcef
AM		 4001 READ_ULEB (val, data, end);
4002 printf ("%s\t", dwarf_vmatoa ("u", val));
4003 READ_ULEB (val, data, end);
4004 printf ("%s\t", dwarf_vmatoa ("u", val));
4005 READ_ULEB (val, data, end);
4006 printf ("%s\t", dwarf_vmatoa ("u", val));
77145576
JK		 4007 printf ("%.*s\n", (int)(end - name), name);
4008
4009 if (data == end)
4010 {
4011 warn (_("Corrupt file name table entry\n"));
4012 break;
4013 }
b40bf0a2 4014 }
a233b20c 4015 }
77145576
JK		 4016
4017 /* Skip the NUL at the end of the table. */
4018 data++;
b40bf0a2 4019 }
19e6b90e 4020
b40bf0a2
NC		 4021 putchar ('\n');
4022 saved_linfo = linfo;
4023 }
19e6b90e 4024
b40bf0a2
NC		 4025 /* Now display the statements. */
4026 if (data >= end_of_sequence)
4027 printf (_(" No Line Number Statements.\n"));
4028 else
4029 {
4030 printf (_(" Line Number Statements:\n"));
19e6b90e 4031
b40bf0a2
NC		 4032 while (data < end_of_sequence)
4033 {
4034 unsigned char op_code;
4035 dwarf_signed_vma adv;
4036 dwarf_vma uladv;
19e6b90e 4037
fe59e83d
CC		 4038 printf (" [0x%08lx]", (long)(data - start));
4039
b40bf0a2 4040 op_code = *data++;
19e6b90e 4041
b40bf0a2 4042 if (op_code >= linfo.li_opcode_base)
19e6b90e 4043 {
b40bf0a2
NC		 4044 op_code -= linfo.li_opcode_base;
4045 uladv = (op_code / linfo.li_line_range);
4046 if (linfo.li_max_ops_per_insn == 1)
4047 {
4048 uladv *= linfo.li_min_insn_length;
4049 state_machine_regs.address += uladv;
ba8826a8
AO		 4050 if (uladv)
4051 state_machine_regs.view = 0;
b40bf0a2 4052 printf (_(" Special opcode %d: "
ba8826a8 4053 "advance Address by %s to 0x%s%s"),
b40bf0a2 4054 op_code, dwarf_vmatoa ("u", uladv),
ba8826a8
AO		 4055 dwarf_vmatoa ("x", state_machine_regs.address),
4056 verbose_view && uladv
4057 ? _(" (reset view)") : "");
b40bf0a2
NC		 4058 }
4059 else
4060 {
ba8826a8
AO		 4061 unsigned addrdelta
4062 = ((state_machine_regs.op_index + uladv)
b40bf0a2
NC		 4063 / linfo.li_max_ops_per_insn)
4064 * linfo.li_min_insn_length;
ba8826a8
AO		 4065
4066 state_machine_regs.address += addrdelta;
b40bf0a2
NC		 4067 state_machine_regs.op_index
4068 = (state_machine_regs.op_index + uladv)
4069 % linfo.li_max_ops_per_insn;
ba8826a8
AO		 4070 if (addrdelta)
4071 state_machine_regs.view = 0;
b40bf0a2 4072 printf (_(" Special opcode %d: "
ba8826a8 4073 "advance Address by %s to 0x%s[%d]%s"),
b40bf0a2
NC		 4074 op_code, dwarf_vmatoa ("u", uladv),
4075 dwarf_vmatoa ("x", state_machine_regs.address),
ba8826a8
AO		 4076 state_machine_regs.op_index,
4077 verbose_view && addrdelta
4078 ? _(" (reset view)") : "");
b40bf0a2
NC		 4079 }
4080 adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
4081 state_machine_regs.line += adv;
ba8826a8 4082 printf (_(" and Line by %s to %d"),
b40bf0a2 4083 dwarf_vmatoa ("d", adv), state_machine_regs.line);
ba8826a8
AO		 4084 if (verbose_view || state_machine_regs.view)
4085 printf (_(" (view %u)\n"), state_machine_regs.view);
4086 else
4087 putchar ('\n');
4088 state_machine_regs.view++;
19e6b90e 4089 }
cd30bcef
AM		 4090 else
4091 switch (op_code)
4092 {
4093 case DW_LNS_extended_op:
4094 data += process_extended_line_op (data,
4095 linfo.li_default_is_stmt,
4096 end);
4097 break;
4098
4099 case DW_LNS_copy:
4100 printf (_(" Copy"));
4101 if (verbose_view || state_machine_regs.view)
4102 printf (_(" (view %u)\n"), state_machine_regs.view);
4103 else
4104 putchar ('\n');
4105 state_machine_regs.view++;
4106 break;
4107
4108 case DW_LNS_advance_pc:
4109 READ_ULEB (uladv, data, end);
4110 if (linfo.li_max_ops_per_insn == 1)
4111 {
4112 uladv *= linfo.li_min_insn_length;
4113 state_machine_regs.address += uladv;
4114 if (uladv)
4115 state_machine_regs.view = 0;
4116 printf (_(" Advance PC by %s to 0x%s%s\n"),
4117 dwarf_vmatoa ("u", uladv),
4118 dwarf_vmatoa ("x", state_machine_regs.address),
4119 verbose_view && uladv
4120 ? _(" (reset view)") : "");
4121 }
4122 else
4123 {
4124 unsigned addrdelta
4125 = ((state_machine_regs.op_index + uladv)
4126 / linfo.li_max_ops_per_insn)
4127 * linfo.li_min_insn_length;
4128 state_machine_regs.address
4129 += addrdelta;
4130 state_machine_regs.op_index
4131 = (state_machine_regs.op_index + uladv)
4132 % linfo.li_max_ops_per_insn;
4133 if (addrdelta)
4134 state_machine_regs.view = 0;
4135 printf (_(" Advance PC by %s to 0x%s[%d]%s\n"),
4136 dwarf_vmatoa ("u", uladv),
4137 dwarf_vmatoa ("x", state_machine_regs.address),
4138 state_machine_regs.op_index,
4139 verbose_view && addrdelta
4140 ? _(" (reset view)") : "");
4141 }
4142 break;
4143
4144 case DW_LNS_advance_line:
4145 READ_SLEB (adv, data, end);
4146 state_machine_regs.line += adv;
4147 printf (_(" Advance Line by %s to %d\n"),
4148 dwarf_vmatoa ("d", adv),
4149 state_machine_regs.line);
4150 break;
4151
4152 case DW_LNS_set_file:
4153 READ_ULEB (uladv, data, end);
4154 printf (_(" Set File Name to entry %s in the File Name Table\n"),
4155 dwarf_vmatoa ("u", uladv));
4156 state_machine_regs.file = uladv;
4157 break;
4158
4159 case DW_LNS_set_column:
4160 READ_ULEB (uladv, data, end);
4161 printf (_(" Set column to %s\n"),
4162 dwarf_vmatoa ("u", uladv));
4163 state_machine_regs.column = uladv;
4164 break;
4165
4166 case DW_LNS_negate_stmt:
4167 adv = state_machine_regs.is_stmt;
4168 adv = ! adv;
4169 printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv));
4170 state_machine_regs.is_stmt = adv;
4171 break;
4172
4173 case DW_LNS_set_basic_block:
4174 printf (_(" Set basic block\n"));
4175 state_machine_regs.basic_block = 1;
4176 break;
4177
4178 case DW_LNS_const_add_pc:
4179 uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
4180 if (linfo.li_max_ops_per_insn)
4181 {
4182 uladv *= linfo.li_min_insn_length;
4183 state_machine_regs.address += uladv;
4184 if (uladv)
4185 state_machine_regs.view = 0;
4186 printf (_(" Advance PC by constant %s to 0x%s%s\n"),
4187 dwarf_vmatoa ("u", uladv),
4188 dwarf_vmatoa ("x", state_machine_regs.address),
4189 verbose_view && uladv
4190 ? _(" (reset view)") : "");
4191 }
4192 else
4193 {
4194 unsigned addrdelta
4195 = ((state_machine_regs.op_index + uladv)
4196 / linfo.li_max_ops_per_insn)
4197 * linfo.li_min_insn_length;
4198 state_machine_regs.address
4199 += addrdelta;
4200 state_machine_regs.op_index
4201 = (state_machine_regs.op_index + uladv)
4202 % linfo.li_max_ops_per_insn;
4203 if (addrdelta)
4204 state_machine_regs.view = 0;
4205 printf (_(" Advance PC by constant %s to 0x%s[%d]%s\n"),
4206 dwarf_vmatoa ("u", uladv),
4207 dwarf_vmatoa ("x", state_machine_regs.address),
4208 state_machine_regs.op_index,
4209 verbose_view && addrdelta
4210 ? _(" (reset view)") : "");
4211 }
4212 break;
4213
4214 case DW_LNS_fixed_advance_pc:
4215 SAFE_BYTE_GET_AND_INC (uladv, data, 2, end);
4216 state_machine_regs.address += uladv;
4217 state_machine_regs.op_index = 0;
4218 printf (_(" Advance PC by fixed size amount %s to 0x%s\n"),
4219 dwarf_vmatoa ("u", uladv),
4220 dwarf_vmatoa ("x", state_machine_regs.address));
4221 /* Do NOT reset view. */
4222 break;
4223
4224 case DW_LNS_set_prologue_end:
4225 printf (_(" Set prologue_end to true\n"));
4226 break;
4227
4228 case DW_LNS_set_epilogue_begin:
4229 printf (_(" Set epilogue_begin to true\n"));
4230 break;
4231
4232 case DW_LNS_set_isa:
4233 READ_ULEB (uladv, data, end);
4234 printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv));
4235 break;
4236
4237 default:
4238 printf (_(" Unknown opcode %d with operands: "), op_code);
4239
4240 if (standard_opcodes != NULL)
4241 for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
4242 {
4243 READ_ULEB (uladv, data, end);
4244 printf ("0x%s%s", dwarf_vmatoa ("x", uladv),
4245 i == 1 ? "" : ", ");
4246 }
4247 putchar ('\n');
4248 break;
4249 }
19e6b90e 4250 }
b40bf0a2 4251 putchar ('\n');
19e6b90e 4252 }
19e6b90e
L		 4253 }
4254
4255 return 1;
4256}
4257
a262ae96
NC		 4258typedef struct
4259{
467c65bc
NC		 4260 unsigned char *name;
4261 unsigned int directory_index;
4262 unsigned int modification_date;
4263 unsigned int length;
a262ae96
NC		 4264} File_Entry;
4265
4266/* Output a decoded representation of the .debug_line section. */
4267
4268static int
dda8d76d 4269display_debug_lines_decoded (struct dwarf_section * section,
ec1b0fbb 4270 unsigned char * start,
dda8d76d
NC		 4271 unsigned char * data,
4272 unsigned char * end,
4273 void * fileptr)
a262ae96 4274{
b40bf0a2
NC		 4275 static DWARF2_Internal_LineInfo saved_linfo;
4276
dda8d76d 4277 introduce (section, FALSE);
a262ae96
NC		 4278
4279 while (data < end)
4280 {
4281 /* This loop amounts to one iteration per compilation unit. */
91d6fa6a 4282 DWARF2_Internal_LineInfo linfo;
a262ae96
NC		 4283 unsigned char *standard_opcodes;
4284 unsigned char *end_of_sequence;
a262ae96
NC		 4285 int i;
4286 File_Entry *file_table = NULL;
143a3db0 4287 unsigned int n_files = 0;
a262ae96 4288 unsigned char **directory_table = NULL;
77145576 4289 dwarf_vma n_directories = 0;
a262ae96 4290
4925cdd7
NC		 4291 if (const_strneq (section->name, ".debug_line.")
4292 /* Note: the following does not apply to .debug_line.dwo sections.
4293 These are full debug_line sections. */
4294 && strcmp (section->name, ".debug_line.dwo") != 0)
b4eb7656 4295 {
4925cdd7 4296 /* See comment in display_debug_lines_raw(). */
b40bf0a2
NC		 4297 end_of_sequence = end;
4298 standard_opcodes = NULL;
4299 linfo = saved_linfo;
058037d3
NC		 4300 /* PR 17531: file: 0522b371. */
4301 if (linfo.li_line_range == 0)
4302 {
1306a742 4303 warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n"));
058037d3
NC		 4304 return 0;
4305 }
b40bf0a2 4306 reset_state_machine (linfo.li_default_is_stmt);
b4eb7656 4307 }
a262ae96 4308 else
b4eb7656 4309 {
b40bf0a2 4310 unsigned char *hdrptr;
a262ae96 4311
b40bf0a2
NC		 4312 if ((hdrptr = read_debug_line_header (section, data, end, & linfo,
4313 & end_of_sequence)) == NULL)
a233b20c 4314 return 0;
0c588247 4315
058037d3
NC		 4316 /* PR 17531: file: 0522b371. */
4317 if (linfo.li_line_range == 0)
4318 {
4319 warn (_("Line range of 0 is invalid, using 1 instead\n"));
4320 linfo.li_line_range = 1;
4321 }
b40bf0a2 4322 reset_state_machine (linfo.li_default_is_stmt);
a262ae96 4323
b40bf0a2
NC		 4324 /* Save a pointer to the contents of the Opcodes table. */
4325 standard_opcodes = hdrptr;
a262ae96 4326
b40bf0a2
NC		 4327 /* Traverse the Directory table just to count entries. */
4328 data = standard_opcodes + linfo.li_opcode_base - 1;
d8024a91
NC		 4329 /* PR 20440 */
4330 if (data >= end)
4331 {
4332 warn (_("opcode base of %d extends beyond end of section\n"),
4333 linfo.li_opcode_base);
4334 return 0;
4335 }
4336
77145576 4337 if (linfo.li_version >= 5)
b40bf0a2 4338 {
77145576
JK		 4339 unsigned char *format_start, format_count, *format;
4340 dwarf_vma formati, entryi;
a262ae96 4341
dda8d76d 4342 load_debug_section_with_follow (line_str, fileptr);
77145576
JK		 4343
4344 /* Skip directories format. */
4345 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
4346 format_start = data;
4347 for (formati = 0; formati < format_count; formati++)
b40bf0a2 4348 {
cd30bcef
AM		 4349 SKIP_ULEB (data, end);
4350 SKIP_ULEB (data, end);
b40bf0a2 4351 }
a262ae96 4352
cd30bcef 4353 READ_ULEB (n_directories, data, end);
77145576 4354 if (data == end)
d8024a91 4355 {
77145576 4356 warn (_("Corrupt directories list\n"));
d8024a91
NC		 4357 break;
4358 }
4359
b40bf0a2
NC		 4360 directory_table = (unsigned char **)
4361 xmalloc (n_directories * sizeof (unsigned char *));
a262ae96 4362
77145576 4363 for (entryi = 0; entryi < n_directories; entryi++)
b40bf0a2 4364 {
77145576 4365 unsigned char **pathp = &directory_table[entryi];
a262ae96 4366
77145576
JK		 4367 format = format_start;
4368 for (formati = 0; formati < format_count; formati++)
4369 {
4370 dwarf_vma content_type, form;
4371 dwarf_vma uvalue;
4372
cd30bcef
AM		 4373 READ_ULEB (content_type, format, end);
4374 READ_ULEB (form, format, end);
77145576
JK		 4375 if (data == end)
4376 {
4377 warn (_("Corrupt directories list\n"));
4378 break;
4379 }
4380 switch (content_type)
4381 {
4382 case DW_LNCT_path:
4383 switch (form)
4384 {
4385 case DW_FORM_string:
4386 *pathp = data;
4387 break;
4388 case DW_FORM_line_strp:
4389 SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size,
4390 end);
4391 /* Remove const by the cast. */
4392 *pathp = (unsigned char *)
4393 fetch_indirect_line_string (uvalue);
4394 break;
4395 }
4396 break;
4397 }
cd30bcef
AM		 4398 data = read_and_display_attr_value (0, form, 0, start,
4399 data, end, 0, 0,
77145576
JK		 4400 linfo.li_offset_size,
4401 linfo.li_version,
4402 NULL, 1, section,
ec1b0fbb 4403 NULL, '\t', -1);
77145576
JK		 4404 }
4405 if (data == end)
4406 {
4407 warn (_("Corrupt directories list\n"));
4408 break;
4409 }
4410 }
a262ae96 4411
77145576
JK		 4412 /* Skip files format. */
4413 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
4414 format_start = data;
4415 for (formati = 0; formati < format_count; formati++)
b40bf0a2 4416 {
cd30bcef
AM		 4417 SKIP_ULEB (data, end);
4418 SKIP_ULEB (data, end);
b40bf0a2 4419 }
a262ae96 4420
cd30bcef 4421 READ_ULEB (n_files, data, end);
77145576 4422 if (data == end)
d8024a91 4423 {
77145576 4424 warn (_("Corrupt file name list\n"));
d8024a91
NC		 4425 break;
4426 }
4427
77145576
JK		 4428 file_table = (File_Entry *) xcalloc (1, n_files
4429 * sizeof (File_Entry));
a262ae96 4430
77145576 4431 for (entryi = 0; entryi < n_files; entryi++)
b40bf0a2 4432 {
77145576 4433 File_Entry *file = &file_table[entryi];
a262ae96 4434
77145576
JK		 4435 format = format_start;
4436 for (formati = 0; formati < format_count; formati++)
4437 {
4438 dwarf_vma content_type, form;
4439 dwarf_vma uvalue;
cd30bcef 4440 unsigned char *tmp;
77145576 4441
cd30bcef
AM		 4442 READ_ULEB (content_type, format, end);
4443 READ_ULEB (form, format, end);
77145576
JK		 4444 if (data == end)
4445 {
4446 warn (_("Corrupt file name list\n"));
4447 break;
4448 }
4449 switch (content_type)
4450 {
4451 case DW_LNCT_path:
4452 switch (form)
4453 {
4454 case DW_FORM_string:
4455 file->name = data;
4456 break;
4457 case DW_FORM_line_strp:
4458 SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size,
4459 end);
4460 /* Remove const by the cast. */
4461 file->name = (unsigned char *)
4462 fetch_indirect_line_string (uvalue);
4463 break;
4464 }
4465 break;
4466 case DW_LNCT_directory_index:
4467 switch (form)
4468 {
4469 case DW_FORM_data1:
4470 SAFE_BYTE_GET (file->directory_index, data, 1,
4471 end);
4472 break;
4473 case DW_FORM_data2:
4474 SAFE_BYTE_GET (file->directory_index, data, 2,
4475 end);
4476 break;
4477 case DW_FORM_udata:
cd30bcef
AM		 4478 tmp = data;
4479 READ_ULEB (file->directory_index, tmp, end);
77145576
JK		 4480 break;
4481 }
4482 break;
4483 }
cd30bcef
AM		 4484 data = read_and_display_attr_value (0, form, 0, start,
4485 data, end, 0, 0,
77145576
JK		 4486 linfo.li_offset_size,
4487 linfo.li_version,
4488 NULL, 1, section,
ec1b0fbb 4489 NULL, '\t', -1);
77145576
JK		 4490 }
4491 if (data == end)
4492 {
4493 warn (_("Corrupt file name list\n"));
4494 break;
4495 }
4496 }
4497 }
4498 else
4499 {
4500 if (*data != 0)
b40bf0a2 4501 {
77145576
JK		 4502 unsigned char *ptr_directory_table = data;
4503
4504 while (data < end && *data != 0)
4505 {
4506 data += strnlen ((char *) data, end - data) + 1;
4507 n_directories++;
4508 }
4509
4510 /* PR 20440 */
4511 if (data >= end)
4512 {
4513 warn (_("directory table ends unexpectedly\n"));
4514 n_directories = 0;
4515 break;
4516 }
4517
4518 /* Go through the directory table again to save the directories. */
4519 directory_table = (unsigned char **)
4520 xmalloc (n_directories * sizeof (unsigned char *));
4521
4522 i = 0;
4523 while (*ptr_directory_table != 0)
4524 {
4525 directory_table[i] = ptr_directory_table;
4526 ptr_directory_table += strnlen ((char *) ptr_directory_table,
4527 ptr_directory_table - end) + 1;
4528 i++;
4529 }
b40bf0a2 4530 }
77145576
JK		 4531 /* Skip the NUL at the end of the table. */
4532 data++;
4533
4534 /* Traverse the File Name table just to count the entries. */
4535 if (data < end && *data != 0)
b40bf0a2 4536 {
77145576
JK		 4537 unsigned char *ptr_file_name_table = data;
4538
4539 while (data < end && *data != 0)
db9537d2 4540 {
cd30bcef
AM		 4541 /* Skip Name, directory index, last modification
4542 time and length of file. */
77145576 4543 data += strnlen ((char *) data, end - data) + 1;
cd30bcef
AM		 4544 SKIP_ULEB (data, end);
4545 SKIP_ULEB (data, end);
4546 SKIP_ULEB (data, end);
77145576 4547 n_files++;
db9537d2 4548 }
a262ae96 4549
77145576
JK		 4550 if (data >= end)
4551 {
4552 warn (_("file table ends unexpectedly\n"));
4553 n_files = 0;
4554 break;
4555 }
4556
4557 /* Go through the file table again to save the strings. */
4558 file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry));
0c588247 4559
77145576
JK		 4560 i = 0;
4561 while (*ptr_file_name_table != 0)
4562 {
77145576
JK		 4563 file_table[i].name = ptr_file_name_table;
4564 ptr_file_name_table += strnlen ((char *) ptr_file_name_table,
4565 end - ptr_file_name_table) + 1;
4566
4567 /* We are not interested in directory, time or size. */
cd30bcef
AM		 4568 READ_ULEB (file_table[i].directory_index,
4569 ptr_file_name_table, end);
4570 READ_ULEB (file_table[i].modification_date,
4571 ptr_file_name_table, end);
4572 READ_ULEB (file_table[i].length,
4573 ptr_file_name_table, end);
77145576
JK		 4574 i++;
4575 }
4576 i = 0;
b40bf0a2 4577 }
77145576
JK		 4578
4579 /* Skip the NUL at the end of the table. */
4580 data++;
b40bf0a2 4581 }
cc5914eb 4582
77145576 4583 /* Print the Compilation Unit's name and a header. */
f082820d
AM		 4584 if (file_table == NULL)
4585 ;
4586 else if (directory_table == NULL)
4587 printf (_("CU: %s:\n"), file_table[0].name);
77145576
JK		 4588 else
4589 {
4590 unsigned int ix = file_table[0].directory_index;
4591 const char *directory;
4592
4593 if (ix == 0)
4594 directory = ".";
4595 /* PR 20439 */
4596 else if (n_directories == 0)
4597 directory = _("<unknown>");
4598 else if (ix > n_directories)
4599 {
4600 warn (_("directory index %u > number of directories %s\n"),
4601 ix, dwarf_vmatoa ("u", n_directories));
4602 directory = _("<corrupt>");
4603 }
4604 else
4605 directory = (char *) directory_table[ix - 1];
4606
4607 if (do_wide || strlen (directory) < 76)
4608 printf (_("CU: %s/%s:\n"), directory, file_table[0].name);
4609 else
4610 printf ("%s:\n", file_table[0].name);
77145576 4611 }
a262ae96 4612
17f6ade2 4613 printf (_("File name Line number Starting address View Stmt\n"));
b40bf0a2
NC		 4614 saved_linfo = linfo;
4615 }
a262ae96
NC		 4616
4617 /* This loop iterates through the Dwarf Line Number Program. */
4618 while (data < end_of_sequence)
b4eb7656 4619 {
a262ae96 4620 unsigned char op_code;
ba8826a8 4621 int xop;
b4eb7656
AM		 4622 int adv;
4623 unsigned long int uladv;
b4eb7656 4624 int is_special_opcode = 0;
a262ae96 4625
b4eb7656 4626 op_code = *data++;
ba8826a8 4627 xop = op_code;
a262ae96 4628
b4eb7656 4629 if (op_code >= linfo.li_opcode_base)
a262ae96 4630 {
91d6fa6a 4631 op_code -= linfo.li_opcode_base;
a233b20c
JJ		 4632 uladv = (op_code / linfo.li_line_range);
4633 if (linfo.li_max_ops_per_insn == 1)
4634 {
4635 uladv *= linfo.li_min_insn_length;
4636 state_machine_regs.address += uladv;
ba8826a8
AO		 4637 if (uladv)
4638 state_machine_regs.view = 0;
a233b20c
JJ		 4639 }
4640 else
4641 {
ba8826a8
AO		 4642 unsigned addrdelta
4643 = ((state_machine_regs.op_index + uladv)
4644 / linfo.li_max_ops_per_insn)
b40bf0a2 4645 * linfo.li_min_insn_length;
ba8826a8
AO		 4646 state_machine_regs.address
4647 += addrdelta;
a233b20c
JJ		 4648 state_machine_regs.op_index
4649 = (state_machine_regs.op_index + uladv)
b40bf0a2 4650 % linfo.li_max_ops_per_insn;
ba8826a8
AO		 4651 if (addrdelta)
4652 state_machine_regs.view = 0;
a233b20c 4653 }
a262ae96 4654
b4eb7656
AM		 4655 adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
4656 state_machine_regs.line += adv;
4657 is_special_opcode = 1;
ba8826a8 4658 /* Increment view after printing this row. */
b4eb7656 4659 }
cd30bcef
AM		 4660 else
4661 switch (op_code)
4662 {
4663 case DW_LNS_extended_op:
4664 {
4665 unsigned int ext_op_code_len;
4666 unsigned char ext_op_code;
4667 unsigned char *op_code_end;
4668 unsigned char *op_code_data = data;
4669
4670 READ_ULEB (ext_op_code_len, op_code_data, end_of_sequence);
4671 op_code_end = op_code_data + ext_op_code_len;
4672 if (ext_op_code_len == 0 || op_code_end > end_of_sequence)
4673 {
4674 warn (_("Badly formed extended line op encountered!\n"));
4675 break;
4676 }
4677 ext_op_code = *op_code_data++;
4678 xop = ext_op_code;
4679 xop = -xop;
4680
4681 switch (ext_op_code)
4682 {
4683 case DW_LNE_end_sequence:
4684 /* Reset stuff after printing this row. */
4685 break;
4686 case DW_LNE_set_address:
4687 SAFE_BYTE_GET_AND_INC (state_machine_regs.address,
4688 op_code_data,
4689 op_code_end - op_code_data,
4690 op_code_end);
4691 state_machine_regs.op_index = 0;
4692 state_machine_regs.view = 0;
4693 break;
4694 case DW_LNE_define_file:
4695 file_table = (File_Entry *) xrealloc
4696 (file_table, (n_files + 1) * sizeof (File_Entry));
4697
4698 ++state_machine_regs.last_file_entry;
4699 /* Source file name. */
4700 file_table[n_files].name = op_code_data;
4701 op_code_data += strlen ((char *) op_code_data) + 1;
4702 /* Directory index. */
4703 READ_ULEB (file_table[n_files].directory_index,
4704 op_code_data, op_code_end);
4705 /* Last modification time. */
4706 READ_ULEB (file_table[n_files].modification_date,
4707 op_code_data, op_code_end);
4708 /* File length. */
4709 READ_ULEB (file_table[n_files].length,
4710 op_code_data, op_code_end);
4711 n_files++;
4712 break;
4713
4714 case DW_LNE_set_discriminator:
4715 case DW_LNE_HP_set_sequence:
4716 /* Simply ignored. */
4717 break;
4718
4719 default:
4720 printf (_("UNKNOWN (%u): length %ld\n"),
27653fba 4721 ext_op_code, (long int) (op_code_data - data));
cd30bcef
AM		 4722 break;
4723 }
4724 data = op_code_end;
4725 break;
4726 }
4727 case DW_LNS_copy:
4728 /* Increment view after printing this row. */
4729 break;
4730
4731 case DW_LNS_advance_pc:
4732 READ_ULEB (uladv, data, end);
4733 if (linfo.li_max_ops_per_insn == 1)
4734 {
4735 uladv *= linfo.li_min_insn_length;
4736 state_machine_regs.address += uladv;
4737 if (uladv)
4738 state_machine_regs.view = 0;
4739 }
4740 else
4741 {
4742 unsigned addrdelta
4743 = ((state_machine_regs.op_index + uladv)
4744 / linfo.li_max_ops_per_insn)
4745 * linfo.li_min_insn_length;
4746 state_machine_regs.address
4747 += addrdelta;
4748 state_machine_regs.op_index
4749 = (state_machine_regs.op_index + uladv)
4750 % linfo.li_max_ops_per_insn;
4751 if (addrdelta)
4752 state_machine_regs.view = 0;
4753 }
4754 break;
4755
4756 case DW_LNS_advance_line:
4757 READ_SLEB (adv, data, end);
4758 state_machine_regs.line += adv;
4759 break;
4760
4761 case DW_LNS_set_file:
4762 READ_ULEB (uladv, data, end);
4763 state_machine_regs.file = uladv;
4764
4765 {
4766 unsigned file = state_machine_regs.file - 1;
4767 unsigned dir;
4768
4769 if (file_table == NULL || n_files == 0)
4770 printf (_("\n [Use file table entry %d]\n"), file);
4771 /* PR 20439 */
4772 else if (file >= n_files)
4773 {
4774 warn (_("file index %u > number of files %u\n"), file + 1, n_files);
4775 printf (_("\n <over large file table index %u>"), file);
4776 }
4777 else if ((dir = file_table[file].directory_index) == 0)
4778 /* If directory index is 0, that means current directory. */
4779 printf ("\n./%s:[++]\n", file_table[file].name);
4780 else if (directory_table == NULL || n_directories == 0)
4781 printf (_("\n [Use file %s in directory table entry %d]\n"),
4782 file_table[file].name, dir);
4783 /* PR 20439 */
4784 else if (dir > n_directories)
4785 {
4786 warn (_("directory index %u > number of directories %s\n"),
4787 dir, dwarf_vmatoa ("u", n_directories));
4788 printf (_("\n <over large directory table entry %u>\n"), dir);
4789 }
4790 else
4791 printf ("\n%s/%s:\n",
4792 /* The directory index starts counting at 1. */
4793 directory_table[dir - 1], file_table[file].name);
4794 }
4795 break;
4796
4797 case DW_LNS_set_column:
4798 READ_ULEB (uladv, data, end);
4799 state_machine_regs.column = uladv;
4800 break;
4801
4802 case DW_LNS_negate_stmt:
4803 adv = state_machine_regs.is_stmt;
4804 adv = ! adv;
4805 state_machine_regs.is_stmt = adv;
4806 break;
4807
4808 case DW_LNS_set_basic_block:
4809 state_machine_regs.basic_block = 1;
4810 break;
4811
4812 case DW_LNS_const_add_pc:
4813 uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
4814 if (linfo.li_max_ops_per_insn == 1)
4815 {
4816 uladv *= linfo.li_min_insn_length;
4817 state_machine_regs.address += uladv;
4818 if (uladv)
4819 state_machine_regs.view = 0;
4820 }
4821 else
4822 {
4823 unsigned addrdelta
4824 = ((state_machine_regs.op_index + uladv)
4825 / linfo.li_max_ops_per_insn)
4826 * linfo.li_min_insn_length;
4827 state_machine_regs.address
4828 += addrdelta;
4829 state_machine_regs.op_index
4830 = (state_machine_regs.op_index + uladv)
4831 % linfo.li_max_ops_per_insn;
4832 if (addrdelta)
4833 state_machine_regs.view = 0;
4834 }
4835 break;
4836
4837 case DW_LNS_fixed_advance_pc:
4838 SAFE_BYTE_GET_AND_INC (uladv, data, 2, end);
4839 state_machine_regs.address += uladv;
4840 state_machine_regs.op_index = 0;
4841 /* Do NOT reset view. */
4842 break;
4843
4844 case DW_LNS_set_prologue_end:
4845 break;
4846
4847 case DW_LNS_set_epilogue_begin:
4848 break;
4849
4850 case DW_LNS_set_isa:
4851 READ_ULEB (uladv, data, end);
4852 printf (_(" Set ISA to %lu\n"), uladv);
4853 break;
4854
4855 default:
4856 printf (_(" Unknown opcode %d with operands: "), op_code);
4857
4858 if (standard_opcodes != NULL)
4859 for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
4860 {
4861 dwarf_vma val;
4862
4863 READ_ULEB (val, data, end);
4864 printf ("0x%s%s", dwarf_vmatoa ("x", val),
4865 i == 1 ? "" : ", ");
4866 }
4867 putchar ('\n');
4868 break;
4869 }
a262ae96 4870
b4eb7656
AM		 4871 /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row
4872 to the DWARF address/line matrix. */
ba8826a8
AO		 4873 if ((is_special_opcode) || (xop == -DW_LNE_end_sequence)
4874 || (xop == DW_LNS_copy))
b4eb7656
AM		 4875 {
4876 const unsigned int MAX_FILENAME_LENGTH = 35;
4877 char *fileName;
4878 char *newFileName = NULL;
4879 size_t fileNameLength;
b40bf0a2
NC		 4880
4881 if (file_table)
db9537d2
NC		 4882 {
4883 unsigned indx = state_machine_regs.file - 1;
4884 /* PR 20439 */
4885 if (indx >= n_files)
4886 {
4887 warn (_("corrupt file index %u encountered\n"), indx);
4888 fileName = _("<corrupt>");
4889 }
4890 else
4891 fileName = (char *) file_table[indx].name;
4892 }
b40bf0a2 4893 else
db9537d2 4894 fileName = _("<unknown>");
b40bf0a2
NC		 4895
4896 fileNameLength = strlen (fileName);
a262ae96 4897
b4eb7656
AM		 4898 if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide))
4899 {
4900 newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1);
4901 /* Truncate file name */
4902 strncpy (newFileName,
4903 fileName + fileNameLength - MAX_FILENAME_LENGTH,
4904 MAX_FILENAME_LENGTH + 1);
e1104d08
NC		 4905 /* FIXME: This is to pacify gcc-10 which can warn that the
4906 strncpy above might leave a non-NUL terminated string
4907 in newFileName. It won't, but gcc's analysis doesn't
4908 quite go far enough to discover this. */
4909 newFileName[MAX_FILENAME_LENGTH] = 0;
b4eb7656
AM		 4910 }
4911 else
4912 {
4913 newFileName = (char *) xmalloc (fileNameLength + 1);
4914 strncpy (newFileName, fileName, fileNameLength + 1);
4915 }
4916
4917 if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH))
4918 {
a233b20c 4919 if (linfo.li_max_ops_per_insn == 1)
ba8826a8 4920 printf ("%-35s %11d %#18" DWARF_VMA_FMT "x",
467c65bc 4921 newFileName, state_machine_regs.line,
a233b20c
JJ		 4922 state_machine_regs.address);
4923 else
ba8826a8 4924 printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]",
467c65bc 4925 newFileName, state_machine_regs.line,
a233b20c
JJ		 4926 state_machine_regs.address,
4927 state_machine_regs.op_index);
b4eb7656
AM		 4928 }
4929 else
4930 {
a233b20c 4931 if (linfo.li_max_ops_per_insn == 1)
ba8826a8 4932 printf ("%s %11d %#18" DWARF_VMA_FMT "x",
467c65bc 4933 newFileName, state_machine_regs.line,
a233b20c
JJ		 4934 state_machine_regs.address);
4935 else
ba8826a8 4936 printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]",
467c65bc 4937 newFileName, state_machine_regs.line,
a233b20c
JJ		 4938 state_machine_regs.address,
4939 state_machine_regs.op_index);
b4eb7656 4940 }
a262ae96 4941
ba8826a8 4942 if (state_machine_regs.view)
17f6ade2 4943 printf (" %6u", state_machine_regs.view);
ba8826a8 4944 else
17f6ade2
JD		 4945 printf (" ");
4946
4947 if (state_machine_regs.is_stmt)
4948 printf (" x");
4949
4950 putchar ('\n');
ba8826a8
AO		 4951 state_machine_regs.view++;
4952
4953 if (xop == -DW_LNE_end_sequence)
4954 {
4955 reset_state_machine (linfo.li_default_is_stmt);
4956 putchar ('\n');
4957 }
a262ae96 4958
b4eb7656
AM		 4959 free (newFileName);
4960 }
4961 }
b40bf0a2
NC		 4962
4963 if (file_table)
4964 {
4965 free (file_table);
4966 file_table = NULL;
4967 n_files = 0;
4968 }
4969
4970 if (directory_table)
4971 {
4972 free (directory_table);
4973 directory_table = NULL;
4974 n_directories = 0;
4975 }
4976
a262ae96
NC		 4977 putchar ('\n');
4978 }
4979
4980 return 1;
4981}
4982
4983static int
77145576 4984display_debug_lines (struct dwarf_section *section, void *file)
a262ae96
NC		 4985{
4986 unsigned char *data = section->start;
4987 unsigned char *end = data + section->size;
4cb93e3b
TG		 4988 int retValRaw = 1;
4989 int retValDecoded = 1;
a262ae96 4990
008f4c78
NC		 4991 if (do_debug_lines == 0)
4992 do_debug_lines |= FLAG_DEBUG_LINES_RAW;
4993
4cb93e3b 4994 if (do_debug_lines & FLAG_DEBUG_LINES_RAW)
77145576 4995 retValRaw = display_debug_lines_raw (section, data, end, file);
a262ae96 4996
4cb93e3b 4997 if (do_debug_lines & FLAG_DEBUG_LINES_DECODED)
ec1b0fbb 4998 retValDecoded = display_debug_lines_decoded (section, data, data, end, file);
a262ae96 4999
4cb93e3b 5000 if (!retValRaw || !retValDecoded)
a262ae96
NC		 5001 return 0;
5002
5003 return 1;
5004}
5005
6e3d6dc1
NC		 5006static debug_info *
5007find_debug_info_for_offset (unsigned long offset)
5008{
5009 unsigned int i;
5010
5011 if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE)
5012 return NULL;
5013
5014 for (i = 0; i < num_debug_info_entries; i++)
5015 if (debug_information[i].cu_offset == offset)
5016 return debug_information + i;
5017
5018 return NULL;
5019}
5020
459d52c8
DE		 5021static const char *
5022get_gdb_index_symbol_kind_name (gdb_index_symbol_kind kind)
5023{
5024 /* See gdb/gdb-index.h. */
5025 static const char * const kinds[] =
5026 {
5027 N_ ("no info"),
5028 N_ ("type"),
5029 N_ ("variable"),
5030 N_ ("function"),
5031 N_ ("other"),
5032 N_ ("unused5"),
5033 N_ ("unused6"),
5034 N_ ("unused7")
5035 };
5036
5037 return _ (kinds[kind]);
5038}
5039
19e6b90e 5040static int
459d52c8
DE		 5041display_debug_pubnames_worker (struct dwarf_section *section,
5042 void *file ATTRIBUTE_UNUSED,
5043 int is_gnu)
19e6b90e 5044{
91d6fa6a 5045 DWARF2_Internal_PubNames names;
19e6b90e
L		 5046 unsigned char *start = section->start;
5047 unsigned char *end = start + section->size;
5048
6e3d6dc1
NC		 5049 /* It does not matter if this load fails,
5050 we test for that later on. */
5051 load_debug_info (file);
5052
dda8d76d 5053 introduce (section, FALSE);
19e6b90e
L		 5054
5055 while (start < end)
5056 {
5057 unsigned char *data;
e98fdf1a 5058 unsigned long sec_off;
bf5117e3 5059 unsigned int offset_size, initial_length_size;
19e6b90e 5060
e98fdf1a 5061 SAFE_BYTE_GET_AND_INC (names.pn_length, start, 4, end);
91d6fa6a 5062 if (names.pn_length == 0xffffffff)
19e6b90e 5063 {
e98fdf1a 5064 SAFE_BYTE_GET_AND_INC (names.pn_length, start, 8, end);
19e6b90e
L		 5065 offset_size = 8;
5066 initial_length_size = 12;
5067 }
5068 else
5069 {
5070 offset_size = 4;
5071 initial_length_size = 4;
5072 }
5073
e98fdf1a
AM		 5074 sec_off = start - section->start;
5075 if (sec_off + names.pn_length < sec_off
5076 || sec_off + names.pn_length > section->size)
5077 {
5078 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
5079 section->name,
5080 sec_off - initial_length_size,
5081 dwarf_vmatoa ("x", names.pn_length));
5082 break;
5083 }
5084
5085 data = start;
5086 start += names.pn_length;
5087
0c588247
NC		 5088 SAFE_BYTE_GET_AND_INC (names.pn_version, data, 2, end);
5089 SAFE_BYTE_GET_AND_INC (names.pn_offset, data, offset_size, end);
6e3d6dc1
NC		 5090
5091 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
5092 && num_debug_info_entries > 0
91d6fa6a 5093 && find_debug_info_for_offset (names.pn_offset) == NULL)
6e3d6dc1 5094 warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
47704ddf 5095 (unsigned long) names.pn_offset, section->name);
cecf136e 5096
0c588247 5097 SAFE_BYTE_GET_AND_INC (names.pn_size, data, offset_size, end);
19e6b90e 5098
058037d3
NC		 5099 printf (_(" Length: %ld\n"),
5100 (long) names.pn_length);
5101 printf (_(" Version: %d\n"),
5102 names.pn_version);
5103 printf (_(" Offset into .debug_info section: 0x%lx\n"),
5104 (unsigned long) names.pn_offset);
5105 printf (_(" Size of area in .debug_info section: %ld\n"),
5106 (long) names.pn_size);
19e6b90e 5107
91d6fa6a 5108 if (names.pn_version != 2 && names.pn_version != 3)
19e6b90e
L		 5109 {
5110 static int warned = 0;
5111
5112 if (! warned)
5113 {
5114 warn (_("Only DWARF 2 and 3 pubnames are currently supported\n"));
5115 warned = 1;
5116 }
5117
5118 continue;
5119 }
5120
459d52c8
DE		 5121 if (is_gnu)
5122 printf (_("\n Offset Kind Name\n"));
5123 else
5124 printf (_("\n Offset\tName\n"));
19e6b90e 5125
e98fdf1a 5126 while (1)
19e6b90e 5127 {
f41e4712 5128 bfd_size_type maxprint;
e98fdf1a 5129 dwarf_vma offset;
f41e4712 5130
0c588247 5131 SAFE_BYTE_GET (offset, data, offset_size, end);
19e6b90e 5132
e98fdf1a
AM		 5133 if (offset == 0)
5134 break;
b4eb7656 5135
e98fdf1a
AM		 5136 data += offset_size;
5137 if (data >= end)
5138 break;
5139 maxprint = (end - data) - 1;
f41e4712 5140
e98fdf1a
AM		 5141 if (is_gnu)
5142 {
5143 unsigned int kind_data;
5144 gdb_index_symbol_kind kind;
5145 const char *kind_name;
5146 int is_static;
5147
5148 SAFE_BYTE_GET (kind_data, data, 1, end);
5149 data++;
5150 maxprint --;
5151 /* GCC computes the kind as the upper byte in the CU index
5152 word, and then right shifts it by the CU index size.
5153 Left shift KIND to where the gdb-index.h accessor macros
5154 can use it. */
5155 kind_data <<= GDB_INDEX_CU_BITSIZE;
5156 kind = GDB_INDEX_SYMBOL_KIND_VALUE (kind_data);
5157 kind_name = get_gdb_index_symbol_kind_name (kind);
5158 is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (kind_data);
5159 printf (" %-6lx %s,%-10s %.*s\n",
5160 (unsigned long) offset, is_static ? _("s") : _("g"),
5161 kind_name, (int) maxprint, data);
19e6b90e 5162 }
e98fdf1a
AM		 5163 else
5164 printf (" %-6lx\t%.*s\n",
5165 (unsigned long) offset, (int) maxprint, data);
5166
5167 data += strnlen ((char *) data, maxprint) + 1;
5168 if (data >= end)
5169 break;
19e6b90e 5170 }
19e6b90e
L		 5171 }
5172
5173 printf ("\n");
5174 return 1;
5175}
5176
459d52c8
DE		 5177static int
5178display_debug_pubnames (struct dwarf_section *section, void *file)
5179{
5180 return display_debug_pubnames_worker (section, file, 0);
5181}
5182
5183static int
5184display_debug_gnu_pubnames (struct dwarf_section *section, void *file)
5185{
5186 return display_debug_pubnames_worker (section, file, 1);
5187}
5188
19e6b90e
L		 5189static int
5190display_debug_macinfo (struct dwarf_section *section,
5191 void *file ATTRIBUTE_UNUSED)
5192{
5193 unsigned char *start = section->start;
5194 unsigned char *end = start + section->size;
5195 unsigned char *curr = start;
19e6b90e
L		 5196 enum dwarf_macinfo_record_type op;
5197
dda8d76d 5198 introduce (section, FALSE);
19e6b90e
L		 5199
5200 while (curr < end)
5201 {
5202 unsigned int lineno;
0c588247 5203 const unsigned char *string;
19e6b90e 5204
3f5e193b 5205 op = (enum dwarf_macinfo_record_type) *curr;
19e6b90e
L		 5206 curr++;
5207
5208 switch (op)
5209 {
5210 case DW_MACINFO_start_file:
5211 {
5212 unsigned int filenum;
5213
cd30bcef
AM		 5214 READ_ULEB (lineno, curr, end);
5215 READ_ULEB (filenum, curr, end);
19e6b90e
L		 5216 printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"),
5217 lineno, filenum);
5218 }
5219 break;
5220
5221 case DW_MACINFO_end_file:
5222 printf (_(" DW_MACINFO_end_file\n"));
5223 break;
5224
5225 case DW_MACINFO_define:
cd30bcef 5226 READ_ULEB (lineno, curr, end);
0c588247
NC		 5227 string = curr;
5228 curr += strnlen ((char *) string, end - string) + 1;
19e6b90e
L		 5229 printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"),
5230 lineno, string);
5231 break;
5232
5233 case DW_MACINFO_undef:
cd30bcef 5234 READ_ULEB (lineno, curr, end);
0c588247
NC		 5235 string = curr;
5236 curr += strnlen ((char *) string, end - string) + 1;
19e6b90e
L		 5237 printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"),
5238 lineno, string);
5239 break;
5240
5241 case DW_MACINFO_vendor_ext:
5242 {
5243 unsigned int constant;
5244
cd30bcef 5245 READ_ULEB (constant, curr, end);
0c588247
NC		 5246 string = curr;
5247 curr += strnlen ((char *) string, end - string) + 1;
19e6b90e
L		 5248 printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"),
5249 constant, string);
5250 }
5251 break;
5252 }
5253 }
5254
5255 return 1;
5256}
5257
4ccf1e31
JJ		 5258/* Given LINE_OFFSET into the .debug_line section, attempt to return
5259 filename and dirname corresponding to file name table entry with index
5260 FILEIDX. Return NULL on failure. */
5261
5262static unsigned char *
f6f0e17b
NC		 5263get_line_filename_and_dirname (dwarf_vma line_offset,
5264 dwarf_vma fileidx,
4ccf1e31
JJ		 5265 unsigned char **dir_name)
5266{
5267 struct dwarf_section *section = &debug_displays [line].section;
5268 unsigned char *hdrptr, *dirtable, *file_name;
5269 unsigned int offset_size, initial_length_size;
cd30bcef 5270 unsigned int version, opcode_base;
4ccf1e31 5271 dwarf_vma length, diridx;
f6f0e17b 5272 const unsigned char * end;
4ccf1e31
JJ		 5273
5274 *dir_name = NULL;
5275 if (section->start == NULL
5276 || line_offset >= section->size
5277 || fileidx == 0)
5278 return NULL;
5279
5280 hdrptr = section->start + line_offset;
f6f0e17b 5281 end = section->start + section->size;
0c588247
NC		 5282
5283 SAFE_BYTE_GET_AND_INC (length, hdrptr, 4, end);
4ccf1e31
JJ		 5284 if (length == 0xffffffff)
5285 {
5286 /* This section is 64-bit DWARF 3. */
0c588247 5287 SAFE_BYTE_GET_AND_INC (length, hdrptr, 8, end);
4ccf1e31
JJ		 5288 offset_size = 8;
5289 initial_length_size = 12;
5290 }
5291 else
5292 {
5293 offset_size = 4;
5294 initial_length_size = 4;
5295 }
e98fdf1a
AM		 5296 if (length + initial_length_size < length
5297 || length + initial_length_size > section->size)
4ccf1e31 5298 return NULL;
0c588247
NC		 5299
5300 SAFE_BYTE_GET_AND_INC (version, hdrptr, 2, end);
4ccf1e31
JJ		 5301 if (version != 2 && version != 3 && version != 4)
5302 return NULL;
5303 hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */
5304 if (version >= 4)
5305 hdrptr++; /* Skip max_ops_per_insn. */
5306 hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */
0c588247
NC		 5307
5308 SAFE_BYTE_GET_AND_INC (opcode_base, hdrptr, 1, end);
4ccf1e31
JJ		 5309 if (opcode_base == 0)
5310 return NULL;
0c588247 5311
4ccf1e31 5312 hdrptr += opcode_base - 1;
5c1c468d
NC		 5313 if (hdrptr >= end)
5314 return NULL;
5315
4ccf1e31
JJ		 5316 dirtable = hdrptr;
5317 /* Skip over dirname table. */
5318 while (*hdrptr != '\0')
5c1c468d
NC		 5319 {
5320 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
5321 if (hdrptr >= end)
5322 return NULL;
5323 }
4ccf1e31 5324 hdrptr++; /* Skip the NUL at the end of the table. */
5c1c468d 5325
4ccf1e31 5326 /* Now skip over preceding filename table entries. */
5c1c468d 5327 for (; hdrptr < end && *hdrptr != '\0' && fileidx > 1; fileidx--)
4ccf1e31 5328 {
0c588247 5329 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
cd30bcef
AM		 5330 SKIP_ULEB (hdrptr, end);
5331 SKIP_ULEB (hdrptr, end);
5332 SKIP_ULEB (hdrptr, end);
4ccf1e31 5333 }
5c1c468d 5334 if (hdrptr >= end || *hdrptr == '\0')
4ccf1e31 5335 return NULL;
5c1c468d 5336
4ccf1e31 5337 file_name = hdrptr;
0c588247 5338 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
5c1c468d
NC		 5339 if (hdrptr >= end)
5340 return NULL;
cd30bcef 5341 READ_ULEB (diridx, hdrptr, end);
4ccf1e31
JJ		 5342 if (diridx == 0)
5343 return file_name;
5c1c468d 5344 for (; dirtable < end && *dirtable != '\0' && diridx > 1; diridx--)
0c588247 5345 dirtable += strnlen ((char *) dirtable, end - dirtable) + 1;
5c1c468d 5346 if (dirtable >= end || *dirtable == '\0')
4ccf1e31
JJ		 5347 return NULL;
5348 *dir_name = dirtable;
5349 return file_name;
5350}
5351
5352static int
5353display_debug_macro (struct dwarf_section *section,
5354 void *file)
5355{
5356 unsigned char *start = section->start;
5357 unsigned char *end = start + section->size;
5358 unsigned char *curr = start;
5359 unsigned char *extended_op_buf[256];
4ccf1e31 5360
dda8d76d
NC		 5361 load_debug_section_with_follow (str, file);
5362 load_debug_section_with_follow (line, file);
4ccf1e31 5363
dda8d76d 5364 introduce (section, FALSE);
4ccf1e31
JJ		 5365
5366 while (curr < end)
5367 {
5368 unsigned int lineno, version, flags;
5369 unsigned int offset_size = 4;
0c588247 5370 const unsigned char *string;
4ccf1e31
JJ		 5371 dwarf_vma line_offset = 0, sec_offset = curr - start, offset;
5372 unsigned char **extended_ops = NULL;
5373
0c588247 5374 SAFE_BYTE_GET_AND_INC (version, curr, 2, end);
7a7e1061 5375 if (version != 4 && version != 5)
4ccf1e31 5376 {
7a7e1061 5377 error (_("Only GNU extension to DWARF 4 or 5 of %s is currently supported.\n"),
4ccf1e31
JJ		 5378 section->name);
5379 return 0;
5380 }
5381
0c588247 5382 SAFE_BYTE_GET_AND_INC (flags, curr, 1, end);
4ccf1e31
JJ		 5383 if (flags & 1)
5384 offset_size = 8;
5385 printf (_(" Offset: 0x%lx\n"),
5386 (unsigned long) sec_offset);
5387 printf (_(" Version: %d\n"), version);
5388 printf (_(" Offset size: %d\n"), offset_size);
5389 if (flags & 2)
5390 {
0c588247 5391 SAFE_BYTE_GET_AND_INC (line_offset, curr, offset_size, end);
4ccf1e31
JJ		 5392 printf (_(" Offset into .debug_line: 0x%lx\n"),
5393 (unsigned long) line_offset);
5394 }
5395 if (flags & 4)
5396 {
0c588247 5397 unsigned int i, count, op;
4ccf1e31 5398 dwarf_vma nargs, n;
0c588247
NC		 5399
5400 SAFE_BYTE_GET_AND_INC (count, curr, 1, end);
bf5117e3 5401
4ccf1e31
JJ		 5402 memset (extended_op_buf, 0, sizeof (extended_op_buf));
5403 extended_ops = extended_op_buf;
5404 if (count)
5405 {
5406 printf (_(" Extension opcode arguments:\n"));
5407 for (i = 0; i < count; i++)
5408 {
0c588247 5409 SAFE_BYTE_GET_AND_INC (op, curr, 1, end);
4ccf1e31 5410 extended_ops[op] = curr;
cd30bcef 5411 READ_ULEB (nargs, curr, end);
4ccf1e31 5412 if (nargs == 0)
7a7e1061 5413 printf (_(" DW_MACRO_%02x has no arguments\n"), op);
4ccf1e31
JJ		 5414 else
5415 {
7a7e1061 5416 printf (_(" DW_MACRO_%02x arguments: "), op);
4ccf1e31
JJ		 5417 for (n = 0; n < nargs; n++)
5418 {
0c588247
NC		 5419 unsigned int form;
5420
5421 SAFE_BYTE_GET_AND_INC (form, curr, 1, end);
4ccf1e31
JJ		 5422 printf ("%s%s", get_FORM_name (form),
5423 n == nargs - 1 ? "\n" : ", ");
5424 switch (form)
5425 {
5426 case DW_FORM_data1:
5427 case DW_FORM_data2:
5428 case DW_FORM_data4:
5429 case DW_FORM_data8:
5430 case DW_FORM_sdata:
5431 case DW_FORM_udata:
5432 case DW_FORM_block:
5433 case DW_FORM_block1:
5434 case DW_FORM_block2:
5435 case DW_FORM_block4:
5436 case DW_FORM_flag:
5437 case DW_FORM_string:
5438 case DW_FORM_strp:
5439 case DW_FORM_sec_offset:
5440 break;
5441 default:
5442 error (_("Invalid extension opcode form %s\n"),
5443 get_FORM_name (form));
5444 return 0;
5445 }
5446 }
5447 }
5448 }
5449 }
5450 }
5451 printf ("\n");
5452
5453 while (1)
5454 {
5455 unsigned int op;
5456
5457 if (curr >= end)
5458 {
5459 error (_(".debug_macro section not zero terminated\n"));
5460 return 0;
5461 }
5462
0c588247 5463 SAFE_BYTE_GET_AND_INC (op, curr, 1, end);
4ccf1e31
JJ		 5464 if (op == 0)
5465 break;
5466
5467 switch (op)
5468 {
7a7e1061 5469 case DW_MACRO_start_file:
4ccf1e31
JJ		 5470 {
5471 unsigned int filenum;
5472 unsigned char *file_name = NULL, *dir_name = NULL;
5473
cd30bcef
AM		 5474 READ_ULEB (lineno, curr, end);
5475 READ_ULEB (filenum, curr, end);
4ccf1e31
JJ		 5476
5477 if ((flags & 2) == 0)
7a7e1061 5478 error (_("DW_MACRO_start_file used, but no .debug_line offset provided.\n"));
4ccf1e31
JJ		 5479 else
5480 file_name
5481 = get_line_filename_and_dirname (line_offset, filenum,
5482 &dir_name);
5483 if (file_name == NULL)
7a7e1061 5484 printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d\n"),
4ccf1e31
JJ		 5485 lineno, filenum);
5486 else
7a7e1061 5487 printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d filename: %s%s%s\n"),
4ccf1e31
JJ		 5488 lineno, filenum,
5489 dir_name != NULL ? (const char *) dir_name : "",
5490 dir_name != NULL ? "/" : "", file_name);
5491 }
5492 break;
5493
7a7e1061
JK		 5494 case DW_MACRO_end_file:
5495 printf (_(" DW_MACRO_end_file\n"));
4ccf1e31
JJ		 5496 break;
5497
7a7e1061 5498 case DW_MACRO_define:
cd30bcef 5499 READ_ULEB (lineno, curr, end);
0c588247
NC		 5500 string = curr;
5501 curr += strnlen ((char *) string, end - string) + 1;
7a7e1061 5502 printf (_(" DW_MACRO_define - lineno : %d macro : %s\n"),
4ccf1e31
JJ		 5503 lineno, string);
5504 break;
5505
7a7e1061 5506 case DW_MACRO_undef:
cd30bcef 5507 READ_ULEB (lineno, curr, end);
0c588247
NC		 5508 string = curr;
5509 curr += strnlen ((char *) string, end - string) + 1;
7a7e1061 5510 printf (_(" DW_MACRO_undef - lineno : %d macro : %s\n"),
4ccf1e31
JJ		 5511 lineno, string);
5512 break;
5513
7a7e1061 5514 case DW_MACRO_define_strp:
cd30bcef 5515 READ_ULEB (lineno, curr, end);
0c588247 5516 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
4ccf1e31 5517 string = fetch_indirect_string (offset);
7a7e1061 5518 printf (_(" DW_MACRO_define_strp - lineno : %d macro : %s\n"),
4ccf1e31
JJ		 5519 lineno, string);
5520 break;
5521
7a7e1061 5522 case DW_MACRO_undef_strp:
cd30bcef 5523 READ_ULEB (lineno, curr, end);
0c588247 5524 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
4ccf1e31 5525 string = fetch_indirect_string (offset);
7a7e1061 5526 printf (_(" DW_MACRO_undef_strp - lineno : %d macro : %s\n"),
4ccf1e31
JJ		 5527 lineno, string);
5528 break;
5529
7a7e1061 5530 case DW_MACRO_import:
0c588247 5531 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
7a7e1061 5532 printf (_(" DW_MACRO_import - offset : 0x%lx\n"),
4ccf1e31
JJ		 5533 (unsigned long) offset);
5534 break;
5535
7a7e1061 5536 case DW_MACRO_define_sup:
cd30bcef 5537 READ_ULEB (lineno, curr, end);
0c588247 5538 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
7a7e1061 5539 printf (_(" DW_MACRO_define_sup - lineno : %d macro offset : 0x%lx\n"),
a081f3cd
JJ		 5540 lineno, (unsigned long) offset);
5541 break;
5542
7a7e1061 5543 case DW_MACRO_undef_sup:
cd30bcef 5544 READ_ULEB (lineno, curr, end);
0c588247 5545 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
7a7e1061 5546 printf (_(" DW_MACRO_undef_sup - lineno : %d macro offset : 0x%lx\n"),
a081f3cd
JJ		 5547 lineno, (unsigned long) offset);
5548 break;
5549
7a7e1061 5550 case DW_MACRO_import_sup:
0c588247 5551 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
7a7e1061 5552 printf (_(" DW_MACRO_import_sup - offset : 0x%lx\n"),
a081f3cd
JJ		 5553 (unsigned long) offset);
5554 break;
5555
4ccf1e31
JJ		 5556 default:
5557 if (extended_ops == NULL || extended_ops[op] == NULL)
5558 {
5559 error (_(" Unknown macro opcode %02x seen\n"), op);
5560 return 0;
5561 }
5562 else
5563 {
5564 /* Skip over unhandled opcodes. */
5565 dwarf_vma nargs, n;
5566 unsigned char *desc = extended_ops[op];
cd30bcef 5567 READ_ULEB (nargs, desc, end);
4ccf1e31
JJ		 5568 if (nargs == 0)
5569 {
7a7e1061 5570 printf (_(" DW_MACRO_%02x\n"), op);
4ccf1e31
JJ		 5571 break;
5572 }
7a7e1061 5573 printf (_(" DW_MACRO_%02x -"), op);
4ccf1e31
JJ		 5574 for (n = 0; n < nargs; n++)
5575 {
0c588247
NC		 5576 int val;
5577
77145576 5578 /* DW_FORM_implicit_const is not expected here. */
0c588247 5579 SAFE_BYTE_GET_AND_INC (val, desc, 1, end);
4ccf1e31 5580 curr
77145576 5581 = read_and_display_attr_value (0, val, 0,
ec1b0fbb 5582 start, curr, end, 0, 0, offset_size,
341f9135 5583 version, NULL, 0, NULL,
ec1b0fbb 5584 NULL, ' ', -1);
4ccf1e31
JJ		 5585 if (n != nargs - 1)
5586 printf (",");
5587 }
5588 printf ("\n");
5589 }
5590 break;
5591 }
5592 }
5593
5594 printf ("\n");
b4eb7656 5595 }
4ccf1e31
JJ		 5596
5597 return 1;
5598}
5599
19e6b90e
L		 5600static int
5601display_debug_abbrev (struct dwarf_section *section,
5602 void *file ATTRIBUTE_UNUSED)
5603{
5604 abbrev_entry *entry;
5605 unsigned char *start = section->start;
5606 unsigned char *end = start + section->size;
5607
dda8d76d 5608 introduce (section, FALSE);
19e6b90e
L		 5609
5610 do
5611 {
7282333f
AM		 5612 unsigned char *last;
5613
19e6b90e
L		 5614 free_abbrevs ();
5615
7282333f 5616 last = start;
19e6b90e
L		 5617 start = process_abbrev_section (start, end);
5618
5619 if (first_abbrev == NULL)
5620 continue;
5621
7282333f 5622 printf (_(" Number TAG (0x%lx)\n"), (long) (last - section->start));
19e6b90e
L		 5623
5624 for (entry = first_abbrev; entry; entry = entry->next)
5625 {
5626 abbrev_attr *attr;
5627
cc5914eb 5628 printf (" %ld %s [%s]\n",
19e6b90e
L		 5629 entry->entry,
5630 get_TAG_name (entry->tag),
5631 entry->children ? _("has children") : _("no children"));
5632
5633 for (attr = entry->first_attr; attr; attr = attr->next)
77145576
JK		 5634 {
5635 printf (" %-18s %s",
5636 get_AT_name (attr->attribute),
5637 get_FORM_name (attr->form));
5638 if (attr->form == DW_FORM_implicit_const)
5639 printf (": %" BFD_VMA_FMT "d", attr->implicit_const);
5640 putchar ('\n');
5641 }
19e6b90e
L		 5642 }
5643 }
5644 while (start);
5645
5646 printf ("\n");
5647
5648 return 1;
5649}
5650
42bcef4a
AB		 5651/* Return true when ADDR is the maximum address, when addresses are
5652 POINTER_SIZE bytes long. */
5653
5654static bfd_boolean
5655is_max_address (dwarf_vma addr, unsigned int pointer_size)
5656{
5657 dwarf_vma mask = ~(~(dwarf_vma) 1 << (pointer_size * 8 - 1));
5658 return ((addr & mask) == mask);
5659}
5660
9f272209
AO		 5661/* Display a view pair list starting at *VSTART_PTR and ending at
5662 VLISTEND within SECTION. */
5663
5664static void
5665display_view_pair_list (struct dwarf_section *section,
5666 unsigned char **vstart_ptr,
5667 unsigned int debug_info_entry,
5668 unsigned char *vlistend)
5669{
5670 unsigned char *vstart = *vstart_ptr;
5671 unsigned char *section_end = section->start + section->size;
5672 unsigned int pointer_size = debug_information [debug_info_entry].pointer_size;
5673
5674 if (vlistend < section_end)
5675 section_end = vlistend;
5676
5677 putchar ('\n');
5678
5679 while (vstart < section_end)
5680 {
5681 dwarf_vma off = vstart - section->start;
5682 dwarf_vma vbegin, vend;
5683
cd30bcef 5684 READ_ULEB (vbegin, vstart, section_end);
9f272209 5685 if (vstart == section_end)
cd30bcef 5686 break;
9f272209 5687
cd30bcef 5688 READ_ULEB (vend, vstart, section_end);
9f272209
AO		 5689 printf (" %8.8lx ", (unsigned long) off);
5690
5691 print_dwarf_view (vbegin, pointer_size, 1);
5692 print_dwarf_view (vend, pointer_size, 1);
5693 printf (_("location view pair\n"));
5694 }
5695
5696 putchar ('\n');
5697 *vstart_ptr = vstart;
5698}
5699
4723351a
CC		 5700/* Display a location list from a normal (ie, non-dwo) .debug_loc section. */
5701
5702static void
5703display_loc_list (struct dwarf_section *section,
b4eb7656
AM		 5704 unsigned char **start_ptr,
5705 unsigned int debug_info_entry,
359ca075
JK		 5706 dwarf_vma offset,
5707 dwarf_vma base_address,
9f272209 5708 unsigned char **vstart_ptr,
b4eb7656 5709 int has_frame_base)
4723351a 5710{
9f272209 5711 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
4723351a 5712 unsigned char *section_end = section->start + section->size;
82b1b41b
NC		 5713 unsigned long cu_offset;
5714 unsigned int pointer_size;
5715 unsigned int offset_size;
5716 int dwarf_version;
4723351a
CC		 5717
5718 dwarf_vma begin;
5719 dwarf_vma end;
5720 unsigned short length;
5721 int need_frame_base;
5722
82b1b41b
NC		 5723 if (debug_info_entry >= num_debug_info_entries)
5724 {
5725 warn (_("No debug information available for loc lists of entry: %u\n"),
5726 debug_info_entry);
5727 return;
5728 }
b4eb7656 5729
82b1b41b
NC		 5730 cu_offset = debug_information [debug_info_entry].cu_offset;
5731 pointer_size = debug_information [debug_info_entry].pointer_size;
5732 offset_size = debug_information [debug_info_entry].offset_size;
5733 dwarf_version = debug_information [debug_info_entry].dwarf_version;
b4eb7656 5734
f41e4712
NC		 5735 if (pointer_size < 2 || pointer_size > 8)
5736 {
5737 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
5738 pointer_size, debug_info_entry);
5739 return;
5740 }
5741
4723351a
CC		 5742 while (1)
5743 {
359ca075 5744 dwarf_vma off = offset + (start - *start_ptr);
9f272209 5745 dwarf_vma vbegin = vm1, vend = vm1;
d1c4b12b 5746
4723351a 5747 if (start + 2 * pointer_size > section_end)
b4eb7656
AM		 5748 {
5749 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 5750 (unsigned long) offset);
b4eb7656
AM		 5751 break;
5752 }
4723351a 5753
359ca075 5754 printf (" %8.8lx ", (unsigned long) off);
fab128ef 5755
0c588247
NC		 5756 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end);
5757 SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end);
4723351a 5758
4723351a 5759 if (begin == 0 && end == 0)
b4eb7656 5760 {
d1c4b12b
NC		 5761 /* PR 18374: In a object file we can have a location list that
5762 starts with a begin and end of 0 because there are relocations
5763 that need to be applied to the addresses. Actually applying
5764 the relocations now does not help as they will probably resolve
5765 to 0, since the object file has not been fully linked. Real
5766 end of list markers will not have any relocations against them. */
5767 if (! reloc_at (section, off)
5768 && ! reloc_at (section, off + pointer_size))
5769 {
5770 printf (_("<End of list>\n"));
5771 break;
5772 }
b4eb7656 5773 }
4723351a
CC		 5774
5775 /* Check base address specifiers. */
42bcef4a
AB		 5776 if (is_max_address (begin, pointer_size)
5777 && !is_max_address (end, pointer_size))
b4eb7656
AM		 5778 {
5779 base_address = end;
5780 print_dwarf_vma (begin, pointer_size);
5781 print_dwarf_vma (end, pointer_size);
5782 printf (_("(base address)\n"));
5783 continue;
5784 }
4723351a 5785
9f272209
AO		 5786 if (vstart)
5787 {
9f272209
AO		 5788 off = offset + (vstart - *start_ptr);
5789
cd30bcef 5790 READ_ULEB (vbegin, vstart, section_end);
9f272209
AO		 5791 print_dwarf_view (vbegin, pointer_size, 1);
5792
cd30bcef 5793 READ_ULEB (vend, vstart, section_end);
9f272209
AO		 5794 print_dwarf_view (vend, pointer_size, 1);
5795
5796 printf (_("views at %8.8lx for:\n %*s "),
5797 (unsigned long) off, 8, "");
5798 }
5799
4723351a 5800 if (start + 2 > section_end)
b4eb7656
AM		 5801 {
5802 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 5803 (unsigned long) offset);
b4eb7656
AM		 5804 break;
5805 }
4723351a 5806
0c588247 5807 SAFE_BYTE_GET_AND_INC (length, start, 2, section_end);
4723351a
CC		 5808
5809 if (start + length > section_end)
b4eb7656
AM		 5810 {
5811 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 5812 (unsigned long) offset);
b4eb7656
AM		 5813 break;
5814 }
4723351a
CC		 5815
5816 print_dwarf_vma (begin + base_address, pointer_size);
5817 print_dwarf_vma (end + base_address, pointer_size);
5818
5819 putchar ('(');
5820 need_frame_base = decode_location_expression (start,
b4eb7656
AM		 5821 pointer_size,
5822 offset_size,
5823 dwarf_version,
5824 length,
5825 cu_offset, section);
4723351a
CC		 5826 putchar (')');
5827
5828 if (need_frame_base && !has_frame_base)
b4eb7656 5829 printf (_(" [without DW_AT_frame_base]"));
4723351a 5830
9f272209 5831 if (begin == end && vbegin == vend)
b4eb7656 5832 fputs (_(" (start == end)"), stdout);
9f272209 5833 else if (begin > end || (begin == end && vbegin > vend))
b4eb7656 5834 fputs (_(" (start > end)"), stdout);
4723351a
CC		 5835
5836 putchar ('\n');
5837
5838 start += length;
5839 }
5840
5841 *start_ptr = start;
9f272209 5842 *vstart_ptr = vstart;
4723351a
CC		 5843}
5844
77145576
JK		 5845/* Display a location list from a normal (ie, non-dwo) .debug_loclists section. */
5846
5847static void
5848display_loclists_list (struct dwarf_section *section,
5849 unsigned char **start_ptr,
5850 unsigned int debug_info_entry,
5851 dwarf_vma offset,
5852 dwarf_vma base_address,
9f272209 5853 unsigned char **vstart_ptr,
77145576
JK		 5854 int has_frame_base)
5855{
9f272209 5856 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
77145576
JK		 5857 unsigned char *section_end = section->start + section->size;
5858 unsigned long cu_offset;
5859 unsigned int pointer_size;
5860 unsigned int offset_size;
5861 int dwarf_version;
77145576 5862
9dfd0db9 5863 /* Initialize it due to a false compiler warning. */
9f272209
AO		 5864 dwarf_vma begin = -1, vbegin = -1;
5865 dwarf_vma end = -1, vend = -1;
77145576
JK		 5866 dwarf_vma length;
5867 int need_frame_base;
5868
5869 if (debug_info_entry >= num_debug_info_entries)
5870 {
5871 warn (_("No debug information available for "
5872 "loclists lists of entry: %u\n"),
5873 debug_info_entry);
5874 return;
5875 }
5876
5877 cu_offset = debug_information [debug_info_entry].cu_offset;
5878 pointer_size = debug_information [debug_info_entry].pointer_size;
5879 offset_size = debug_information [debug_info_entry].offset_size;
5880 dwarf_version = debug_information [debug_info_entry].dwarf_version;
5881
5882 if (pointer_size < 2 || pointer_size > 8)
5883 {
5884 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
5885 pointer_size, debug_info_entry);
5886 return;
5887 }
5888
5889 while (1)
5890 {
5891 dwarf_vma off = offset + (start - *start_ptr);
5892 enum dwarf_location_list_entry_type llet;
5893
5894 if (start + 1 > section_end)
5895 {
5896 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5897 (unsigned long) offset);
5898 break;
5899 }
5900
5901 printf (" %8.8lx ", (unsigned long) off);
5902
5903 SAFE_BYTE_GET_AND_INC (llet, start, 1, section_end);
5904
9f272209
AO		 5905 if (vstart && llet == DW_LLE_offset_pair)
5906 {
5907 off = offset + (vstart - *start_ptr);
5908
cd30bcef 5909 READ_ULEB (vbegin, vstart, section_end);
9f272209
AO		 5910 print_dwarf_view (vbegin, pointer_size, 1);
5911
cd30bcef 5912 READ_ULEB (vend, vstart, section_end);
9f272209
AO		 5913 print_dwarf_view (vend, pointer_size, 1);
5914
5915 printf (_("views at %8.8lx for:\n %*s "),
5916 (unsigned long) off, 8, "");
5917 }
5918
77145576
JK		 5919 switch (llet)
5920 {
5921 case DW_LLE_end_of_list:
5922 printf (_("<End of list>\n"));
5923 break;
5924 case DW_LLE_offset_pair:
cd30bcef
AM		 5925 READ_ULEB (begin, start, section_end);
5926 READ_ULEB (end, start, section_end);
77145576
JK		 5927 break;
5928 case DW_LLE_base_address:
5929 SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size,
5930 section_end);
5931 print_dwarf_vma (base_address, pointer_size);
5932 printf (_("(base address)\n"));
5933 break;
9f272209
AO		 5934#ifdef DW_LLE_view_pair
5935 case DW_LLE_view_pair:
5936 if (vstart)
5937 printf (_("View pair entry in loclist with locviews attribute\n"));
cd30bcef 5938 READ_ULEB (vbegin, start, section_end);
9f272209
AO		 5939 print_dwarf_view (vbegin, pointer_size, 1);
5940
cd30bcef 5941 READ_ULEB (vend, start, section_end);
9f272209
AO		 5942 print_dwarf_view (vend, pointer_size, 1);
5943
5944 printf (_("views for:\n"));
5945 continue;
5946#endif
77145576
JK		 5947 default:
5948 error (_("Invalid location list entry type %d\n"), llet);
5949 return;
5950 }
5951 if (llet == DW_LLE_end_of_list)
5952 break;
5953 if (llet != DW_LLE_offset_pair)
5954 continue;
5955
5956 if (start + 2 > section_end)
5957 {
5958 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5959 (unsigned long) offset);
5960 break;
5961 }
5962
cd30bcef 5963 READ_ULEB (length, start, section_end);
77145576
JK		 5964
5965 print_dwarf_vma (begin + base_address, pointer_size);
5966 print_dwarf_vma (end + base_address, pointer_size);
5967
5968 putchar ('(');
5969 need_frame_base = decode_location_expression (start,
5970 pointer_size,
5971 offset_size,
5972 dwarf_version,
5973 length,
5974 cu_offset, section);
5975 putchar (')');
5976
5977 if (need_frame_base && !has_frame_base)
5978 printf (_(" [without DW_AT_frame_base]"));
5979
9f272209 5980 if (begin == end && vbegin == vend)
77145576 5981 fputs (_(" (start == end)"), stdout);
9f272209 5982 else if (begin > end || (begin == end && vbegin > vend))
77145576
JK		 5983 fputs (_(" (start > end)"), stdout);
5984
5985 putchar ('\n');
5986
5987 start += length;
9f272209 5988 vbegin = vend = -1;
77145576
JK		 5989 }
5990
9f272209
AO		 5991 if (vbegin != vm1 || vend != vm1)
5992 printf (_("Trailing view pair not used in a range"));
5993
77145576 5994 *start_ptr = start;
9f272209 5995 *vstart_ptr = vstart;
77145576
JK		 5996}
5997
fab128ef
CC		 5998/* Print a .debug_addr table index in decimal, surrounded by square brackets,
5999 right-adjusted in a field of length LEN, and followed by a space. */
6000
6001static void
6002print_addr_index (unsigned int idx, unsigned int len)
6003{
6004 static char buf[15];
6005 snprintf (buf, sizeof (buf), "[%d]", idx);
341f9135 6006 printf ("%*s ", len, buf);
fab128ef
CC		 6007}
6008
4723351a
CC		 6009/* Display a location list from a .dwo section. It uses address indexes rather
6010 than embedded addresses. This code closely follows display_loc_list, but the
6011 two are sufficiently different that combining things is very ugly. */
6012
6013static void
6014display_loc_list_dwo (struct dwarf_section *section,
b4eb7656
AM		 6015 unsigned char **start_ptr,
6016 unsigned int debug_info_entry,
359ca075 6017 dwarf_vma offset,
9f272209 6018 unsigned char **vstart_ptr,
b4eb7656 6019 int has_frame_base)
4723351a 6020{
9f272209 6021 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
4723351a 6022 unsigned char *section_end = section->start + section->size;
82b1b41b
NC		 6023 unsigned long cu_offset;
6024 unsigned int pointer_size;
6025 unsigned int offset_size;
6026 int dwarf_version;
4723351a
CC		 6027 int entry_type;
6028 unsigned short length;
6029 int need_frame_base;
fab128ef 6030 unsigned int idx;
4723351a 6031
82b1b41b
NC		 6032 if (debug_info_entry >= num_debug_info_entries)
6033 {
6034 warn (_("No debug information for loc lists of entry: %u\n"),
6035 debug_info_entry);
6036 return;
6037 }
6038
6039 cu_offset = debug_information [debug_info_entry].cu_offset;
6040 pointer_size = debug_information [debug_info_entry].pointer_size;
6041 offset_size = debug_information [debug_info_entry].offset_size;
6042 dwarf_version = debug_information [debug_info_entry].dwarf_version;
6043
f41e4712
NC		 6044 if (pointer_size < 2 || pointer_size > 8)
6045 {
6046 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
6047 pointer_size, debug_info_entry);
6048 return;
6049 }
6050
4723351a
CC		 6051 while (1)
6052 {
359ca075 6053 printf (" %8.8lx ", (unsigned long) (offset + (start - *start_ptr)));
4723351a 6054
fab128ef 6055 if (start >= section_end)
b4eb7656
AM		 6056 {
6057 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 6058 (unsigned long) offset);
b4eb7656
AM		 6059 break;
6060 }
4723351a 6061
0c588247 6062 SAFE_BYTE_GET_AND_INC (entry_type, start, 1, section_end);
9f272209
AO		 6063
6064 if (vstart)
6065 switch (entry_type)
6066 {
6067 default:
6068 break;
6069
6070 case 2:
6071 case 3:
6072 case 4:
6073 {
6074 dwarf_vma view;
6075 dwarf_vma off = offset + (vstart - *start_ptr);
6076
cd30bcef 6077 READ_ULEB (view, vstart, section_end);
9f272209
AO		 6078 print_dwarf_view (view, 8, 1);
6079
cd30bcef 6080 READ_ULEB (view, vstart, section_end);
9f272209
AO		 6081 print_dwarf_view (view, 8, 1);
6082
6083 printf (_("views at %8.8lx for:\n %*s "),
6084 (unsigned long) off, 8, "");
6085
6086 }
6087 break;
6088 }
6089
4723351a 6090 switch (entry_type)
b4eb7656
AM		 6091 {
6092 case 0: /* A terminating entry. */
6093 *start_ptr = start;
9f272209 6094 *vstart_ptr = vstart;
b4eb7656
AM		 6095 printf (_("<End of list>\n"));
6096 return;
6097 case 1: /* A base-address entry. */
cd30bcef 6098 READ_ULEB (idx, start, section_end);
b4eb7656 6099 print_addr_index (idx, 8);
9f272209 6100 printf ("%*s", 9 + (vstart ? 2 * 6 : 0), "");
b4eb7656
AM		 6101 printf (_("(base address selection entry)\n"));
6102 continue;
6103 case 2: /* A start/end entry. */
cd30bcef 6104 READ_ULEB (idx, start, section_end);
b4eb7656 6105 print_addr_index (idx, 8);
cd30bcef 6106 READ_ULEB (idx, start, section_end);
b4eb7656
AM		 6107 print_addr_index (idx, 8);
6108 break;
6109 case 3: /* A start/length entry. */
cd30bcef 6110 READ_ULEB (idx, start, section_end);
b4eb7656
AM		 6111 print_addr_index (idx, 8);
6112 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
6113 printf ("%08x ", idx);
6114 break;
6115 case 4: /* An offset pair entry. */
6116 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
6117 printf ("%08x ", idx);
6118 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
6119 printf ("%08x ", idx);
6120 break;
6121 default:
6122 warn (_("Unknown location list entry type 0x%x.\n"), entry_type);
6123 *start_ptr = start;
9f272209 6124 *vstart_ptr = vstart;
b4eb7656
AM		 6125 return;
6126 }
4723351a
CC		 6127
6128 if (start + 2 > section_end)
b4eb7656
AM		 6129 {
6130 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 6131 (unsigned long) offset);
b4eb7656
AM		 6132 break;
6133 }
4723351a 6134
0c588247 6135 SAFE_BYTE_GET_AND_INC (length, start, 2, section_end);
4723351a 6136 if (start + length > section_end)
b4eb7656
AM		 6137 {
6138 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 6139 (unsigned long) offset);
b4eb7656
AM		 6140 break;
6141 }
4723351a
CC		 6142
6143 putchar ('(');
6144 need_frame_base = decode_location_expression (start,
b4eb7656
AM		 6145 pointer_size,
6146 offset_size,
6147 dwarf_version,
6148 length,
6149 cu_offset, section);
4723351a
CC		 6150 putchar (')');
6151
6152 if (need_frame_base && !has_frame_base)
b4eb7656 6153 printf (_(" [without DW_AT_frame_base]"));
4723351a
CC		 6154
6155 putchar ('\n');
6156
6157 start += length;
6158 }
6159
6160 *start_ptr = start;
9f272209 6161 *vstart_ptr = vstart;
4723351a
CC		 6162}
6163
9f272209
AO		 6164/* Sort array of indexes in ascending order of loc_offsets[idx] and
6165 loc_views. */
51d0d03f 6166
9f272209 6167static dwarf_vma *loc_offsets, *loc_views;
51d0d03f
JJ		 6168
6169static int
6170loc_offsets_compar (const void *ap, const void *bp)
6171{
6172 dwarf_vma a = loc_offsets[*(const unsigned int *) ap];
6173 dwarf_vma b = loc_offsets[*(const unsigned int *) bp];
6174
9f272209
AO		 6175 int ret = (a > b) - (b > a);
6176 if (ret)
6177 return ret;
6178
6179 a = loc_views[*(const unsigned int *) ap];
6180 b = loc_views[*(const unsigned int *) bp];
6181
6182 ret = (a > b) - (b > a);
6183
6184 return ret;
51d0d03f
JJ		 6185}
6186
19e6b90e
L		 6187static int
6188display_debug_loc (struct dwarf_section *section, void *file)
6189{
9f272209 6190 unsigned char *start = section->start, *vstart = NULL;
19e6b90e
L		 6191 unsigned long bytes;
6192 unsigned char *section_begin = start;
6193 unsigned int num_loc_list = 0;
6194 unsigned long last_offset = 0;
9f272209 6195 unsigned long last_view = 0;
19e6b90e
L		 6196 unsigned int first = 0;
6197 unsigned int i;
6198 unsigned int j;
6199 int seen_first_offset = 0;
51d0d03f 6200 int locs_sorted = 1;
9f272209 6201 unsigned char *next = start, *vnext = vstart;
51d0d03f 6202 unsigned int *array = NULL;
4723351a 6203 const char *suffix = strrchr (section->name, '.');
24841daa 6204 bfd_boolean is_dwo = FALSE;
77145576
JK		 6205 int is_loclists = strstr (section->name, "debug_loclists") != NULL;
6206 dwarf_vma expected_start = 0;
4723351a
CC		 6207
6208 if (suffix && strcmp (suffix, ".dwo") == 0)
24841daa 6209 is_dwo = TRUE;
19e6b90e
L		 6210
6211 bytes = section->size;
19e6b90e
L		 6212
6213 if (bytes == 0)
6214 {
6215 printf (_("\nThe %s section is empty.\n"), section->name);
6216 return 0;
6217 }
6218
77145576
JK		 6219 if (is_loclists)
6220 {
6221 unsigned char *hdrptr = section_begin;
6222 dwarf_vma ll_length;
6223 unsigned short ll_version;
6224 unsigned char *end = section_begin + section->size;
6225 unsigned char address_size, segment_selector_size;
6226 uint32_t offset_entry_count;
6227
6228 SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 4, end);
6229 if (ll_length == 0xffffffff)
6230 SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 8, end);
6231
6232 SAFE_BYTE_GET_AND_INC (ll_version, hdrptr, 2, end);
6233 if (ll_version != 5)
6234 {
6235 warn (_("The %s section contains corrupt or "
6236 "unsupported version number: %d.\n"),
6237 section->name, ll_version);
6238 return 0;
6239 }
6240
6241 SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end);
6242
6243 SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end);
6244 if (segment_selector_size != 0)
6245 {
6246 warn (_("The %s section contains "
6247 "unsupported segment selector size: %d.\n"),
6248 section->name, segment_selector_size);
6249 return 0;
6250 }
6251
6252 SAFE_BYTE_GET_AND_INC (offset_entry_count, hdrptr, 4, end);
6253 if (offset_entry_count != 0)
6254 {
6255 warn (_("The %s section contains "
6256 "unsupported offset entry count: %d.\n"),
6257 section->name, offset_entry_count);
6258 return 0;
6259 }
6260
6261 expected_start = hdrptr - section_begin;
6262 }
6263
1febe64d
NC		 6264 if (load_debug_info (file) == 0)
6265 {
6266 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
6267 section->name);
6268 return 0;
6269 }
19e6b90e
L		 6270
6271 /* Check the order of location list in .debug_info section. If
6272 offsets of location lists are in the ascending order, we can
6273 use `debug_information' directly. */
6274 for (i = 0; i < num_debug_info_entries; i++)
6275 {
6276 unsigned int num;
6277
6278 num = debug_information [i].num_loc_offsets;
51d0d03f
JJ		 6279 if (num > num_loc_list)
6280 num_loc_list = num;
19e6b90e
L		 6281
6282 /* Check if we can use `debug_information' directly. */
51d0d03f 6283 if (locs_sorted && num != 0)
19e6b90e
L		 6284 {
6285 if (!seen_first_offset)
6286 {
6287 /* This is the first location list. */
6288 last_offset = debug_information [i].loc_offsets [0];
9f272209 6289 last_view = debug_information [i].loc_views [0];
19e6b90e
L		 6290 first = i;
6291 seen_first_offset = 1;
6292 j = 1;
6293 }
6294 else
6295 j = 0;
6296
6297 for (; j < num; j++)
6298 {
6299 if (last_offset >
9f272209
AO		 6300 debug_information [i].loc_offsets [j]
6301 || (last_offset == debug_information [i].loc_offsets [j]
6302 && last_view > debug_information [i].loc_views [j]))
19e6b90e 6303 {
51d0d03f 6304 locs_sorted = 0;
19e6b90e
L		 6305 break;
6306 }
6307 last_offset = debug_information [i].loc_offsets [j];
9f272209 6308 last_view = debug_information [i].loc_views [j];
19e6b90e
L		 6309 }
6310 }
6311 }
6312
19e6b90e
L		 6313 if (!seen_first_offset)
6314 error (_("No location lists in .debug_info section!\n"));
6315
d4bfc77b 6316 if (debug_information [first].num_loc_offsets > 0
9f272209
AO		 6317 && debug_information [first].loc_offsets [0] != expected_start
6318 && debug_information [first].loc_views [0] != expected_start)
47704ddf
KT		 6319 warn (_("Location lists in %s section start at 0x%s\n"),
6320 section->name,
6321 dwarf_vmatoa ("x", debug_information [first].loc_offsets [0]));
19e6b90e 6322
51d0d03f
JJ		 6323 if (!locs_sorted)
6324 array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int));
dda8d76d
NC		 6325
6326 introduce (section, FALSE);
6327
d1c4b12b
NC		 6328 if (reloc_at (section, 0))
6329 printf (_(" Warning: This section has relocations - addresses seen here may not be accurate.\n\n"));
dda8d76d 6330
d1c4b12b 6331 printf (_(" Offset Begin End Expression\n"));
19e6b90e
L		 6332
6333 seen_first_offset = 0;
6334 for (i = first; i < num_debug_info_entries; i++)
6335 {
9f272209 6336 dwarf_vma offset, voffset;
359ca075 6337 dwarf_vma base_address;
d1c4b12b 6338 unsigned int k;
19e6b90e
L		 6339 int has_frame_base;
6340
51d0d03f
JJ		 6341 if (!locs_sorted)
6342 {
6343 for (k = 0; k < debug_information [i].num_loc_offsets; k++)
6344 array[k] = k;
6345 loc_offsets = debug_information [i].loc_offsets;
9f272209 6346 loc_views = debug_information [i].loc_views;
51d0d03f
JJ		 6347 qsort (array, debug_information [i].num_loc_offsets,
6348 sizeof (*array), loc_offsets_compar);
6349 }
19e6b90e 6350
9f272209 6351 int adjacent_view_loclists = 1;
51d0d03f 6352 for (k = 0; k < debug_information [i].num_loc_offsets; k++)
19e6b90e 6353 {
51d0d03f
JJ		 6354 j = locs_sorted ? k : array[k];
6355 if (k
9f272209 6356 && (debug_information [i].loc_offsets [locs_sorted
51d0d03f 6357 ? k - 1 : array [k - 1]]
9f272209
AO		 6358 == debug_information [i].loc_offsets [j])
6359 && (debug_information [i].loc_views [locs_sorted
6360 ? k - 1 : array [k - 1]]
6361 == debug_information [i].loc_views [j]))
51d0d03f 6362 continue;
19e6b90e 6363 has_frame_base = debug_information [i].have_frame_base [j];
d493b283 6364 offset = debug_information [i].loc_offsets [j];
19e6b90e 6365 next = section_begin + offset;
9f272209
AO		 6366 voffset = debug_information [i].loc_views [j];
6367 if (voffset != vm1)
6368 vnext = section_begin + voffset;
6369 else
6370 vnext = NULL;
19e6b90e
L		 6371 base_address = debug_information [i].base_address;
6372
9f272209
AO		 6373 if (vnext && vnext < next)
6374 {
6375 vstart = vnext;
6376 display_view_pair_list (section, &vstart, i, next);
6377 if (start == vnext)
6378 start = vstart;
6379 }
6380
6381 if (!seen_first_offset || !adjacent_view_loclists)
19e6b90e
L		 6382 seen_first_offset = 1;
6383 else
6384 {
6385 if (start < next)
6386 warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"),
0af1713e 6387 (unsigned long) (start - section_begin),
c8071705 6388 (unsigned long) offset);
19e6b90e
L		 6389 else if (start > next)
6390 warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"),
0af1713e 6391 (unsigned long) (start - section_begin),
c8071705 6392 (unsigned long) offset);
19e6b90e
L		 6393 }
6394 start = next;
9f272209 6395 vstart = vnext;
19e6b90e
L		 6396
6397 if (offset >= bytes)
6398 {
6399 warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"),
359ca075 6400 (unsigned long) offset);
19e6b90e
L		 6401 continue;
6402 }
6403
9f272209
AO		 6404 if (vnext && voffset >= bytes)
6405 {
6406 warn (_("View Offset 0x%lx is bigger than .debug_loc section size.\n"),
6407 (unsigned long) voffset);
6408 continue;
6409 }
6410
77145576
JK		 6411 if (!is_loclists)
6412 {
6413 if (is_dwo)
6414 display_loc_list_dwo (section, &start, i, offset,
9f272209 6415 &vstart, has_frame_base);
77145576
JK		 6416 else
6417 display_loc_list (section, &start, i, offset, base_address,
9f272209 6418 &vstart, has_frame_base);
77145576 6419 }
b4eb7656 6420 else
77145576
JK		 6421 {
6422 if (is_dwo)
6423 warn (_("DWO is not yet supported.\n"));
6424 else
6425 display_loclists_list (section, &start, i, offset, base_address,
9f272209
AO		 6426 &vstart, has_frame_base);
6427 }
6428
6429 /* FIXME: this arrangement is quite simplistic. Nothing
6430 requires locview lists to be adjacent to corresponding
6431 loclists, and a single loclist could be augmented by
6432 different locview lists, and vice-versa, unlikely as it
6433 is that it would make sense to do so. Hopefully we'll
6434 have view pair support built into loclists before we ever
6435 need to address all these possibilities. */
6436 if (adjacent_view_loclists && vnext
6437 && vnext != start && vstart != next)
6438 {
6439 adjacent_view_loclists = 0;
6440 warn (_("Hole and overlap detection requires adjacent view lists and loclists.\n"));
77145576 6441 }
9f272209
AO		 6442
6443 if (vnext && vnext == start)
6444 display_view_pair_list (section, &start, i, vstart);
19e6b90e
L		 6445 }
6446 }
031cd65f 6447
4723351a 6448 if (start < section->start + section->size)
d3a49aa8
AM		 6449 warn (ngettext ("There is %ld unused byte at the end of section %s\n",
6450 "There are %ld unused bytes at the end of section %s\n",
6451 (long) (section->start + section->size - start)),
4723351a 6452 (long) (section->start + section->size - start), section->name);
98fb390a 6453 putchar ('\n');
51d0d03f 6454 free (array);
19e6b90e
L		 6455 return 1;
6456}
6457
6458static int
6459display_debug_str (struct dwarf_section *section,
6460 void *file ATTRIBUTE_UNUSED)
6461{
6462 unsigned char *start = section->start;
6463 unsigned long bytes = section->size;
6464 dwarf_vma addr = section->address;
6465
6466 if (bytes == 0)
6467 {
6468 printf (_("\nThe %s section is empty.\n"), section->name);
6469 return 0;
6470 }
6471
dda8d76d 6472 introduce (section, FALSE);
19e6b90e
L		 6473
6474 while (bytes)
6475 {
6476 int j;
6477 int k;
6478 int lbytes;
6479
6480 lbytes = (bytes > 16 ? 16 : bytes);
6481
6482 printf (" 0x%8.8lx ", (unsigned long) addr);
6483
6484 for (j = 0; j < 16; j++)
6485 {
6486 if (j < lbytes)
6487 printf ("%2.2x", start[j]);
6488 else
6489 printf (" ");
6490
6491 if ((j & 3) == 3)
6492 printf (" ");
6493 }
6494
6495 for (j = 0; j < lbytes; j++)
6496 {
6497 k = start[j];
6498 if (k >= ' ' && k < 0x80)
6499 printf ("%c", k);
6500 else
6501 printf (".");
6502 }
6503
6504 putchar ('\n');
6505
6506 start += lbytes;
6507 addr += lbytes;
6508 bytes -= lbytes;
6509 }
6510
6511 putchar ('\n');
6512
6513 return 1;
6514}
6515
19e6b90e
L		 6516static int
6517display_debug_info (struct dwarf_section *section, void *file)
6518{
d85bf2ba 6519 return process_debug_info (section, file, section->abbrev_sec, FALSE, FALSE);
19e6b90e
L		 6520}
6521
2b6f5997
CC		 6522static int
6523display_debug_types (struct dwarf_section *section, void *file)
6524{
d85bf2ba 6525 return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE);
6f875884
TG		 6526}
6527
6528static int
6529display_trace_info (struct dwarf_section *section, void *file)
6530{
d85bf2ba 6531 return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE);
2b6f5997 6532}
19e6b90e
L		 6533
6534static int
6535display_debug_aranges (struct dwarf_section *section,
6536 void *file ATTRIBUTE_UNUSED)
6537{
6538 unsigned char *start = section->start;
6539 unsigned char *end = start + section->size;
6540
dda8d76d 6541 introduce (section, FALSE);
19e6b90e 6542
6e3d6dc1
NC		 6543 /* It does not matter if this load fails,
6544 we test for that later on. */
6545 load_debug_info (file);
6546
19e6b90e
L		 6547 while (start < end)
6548 {
6549 unsigned char *hdrptr;
6550 DWARF2_Internal_ARange arange;
91d6fa6a 6551 unsigned char *addr_ranges;
2d9472a2
NC		 6552 dwarf_vma length;
6553 dwarf_vma address;
e98fdf1a 6554 unsigned long sec_off;
53b8873b 6555 unsigned char address_size;
19e6b90e 6556 int excess;
bf5117e3
NC		 6557 unsigned int offset_size;
6558 unsigned int initial_length_size;
19e6b90e
L		 6559
6560 hdrptr = start;
6561
0c588247 6562 SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 4, end);
19e6b90e
L		 6563 if (arange.ar_length == 0xffffffff)
6564 {
0c588247 6565 SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 8, end);
19e6b90e
L		 6566 offset_size = 8;
6567 initial_length_size = 12;
6568 }
6569 else
6570 {
6571 offset_size = 4;
6572 initial_length_size = 4;
6573 }
6574
e98fdf1a
AM		 6575 sec_off = hdrptr - section->start;
6576 if (sec_off + arange.ar_length < sec_off
6577 || sec_off + arange.ar_length > section->size)
6578 {
6579 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
6580 section->name,
6581 sec_off - initial_length_size,
6582 dwarf_vmatoa ("x", arange.ar_length));
6583 break;
6584 }
6585
0c588247
NC		 6586 SAFE_BYTE_GET_AND_INC (arange.ar_version, hdrptr, 2, end);
6587 SAFE_BYTE_GET_AND_INC (arange.ar_info_offset, hdrptr, offset_size, end);
19e6b90e 6588
6e3d6dc1
NC		 6589 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
6590 && num_debug_info_entries > 0
6591 && find_debug_info_for_offset (arange.ar_info_offset) == NULL)
6592 warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
47704ddf 6593 (unsigned long) arange.ar_info_offset, section->name);
6e3d6dc1 6594
0c588247
NC		 6595 SAFE_BYTE_GET_AND_INC (arange.ar_pointer_size, hdrptr, 1, end);
6596 SAFE_BYTE_GET_AND_INC (arange.ar_segment_size, hdrptr, 1, end);
19e6b90e
L		 6597
6598 if (arange.ar_version != 2 && arange.ar_version != 3)
6599 {
67f101ee
NC		 6600 /* PR 19872: A version number of 0 probably means that there is
6601 padding at the end of the .debug_aranges section. Gold puts
6602 it there when performing an incremental link, for example.
6603 So do not generate a warning in this case. */
6604 if (arange.ar_version)
6605 warn (_("Only DWARF 2 and 3 aranges are currently supported.\n"));
19e6b90e
L		 6606 break;
6607 }
6608
47704ddf
KT		 6609 printf (_(" Length: %ld\n"),
6610 (long) arange.ar_length);
19e6b90e 6611 printf (_(" Version: %d\n"), arange.ar_version);
47704ddf
KT		 6612 printf (_(" Offset into .debug_info: 0x%lx\n"),
6613 (unsigned long) arange.ar_info_offset);
19e6b90e
L		 6614 printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size);
6615 printf (_(" Segment Size: %d\n"), arange.ar_segment_size);
6616
53b8873b
NC		 6617 address_size = arange.ar_pointer_size + arange.ar_segment_size;
6618
f41e4712
NC		 6619 /* PR 17512: file: 001-108546-0.001:0.1. */
6620 if (address_size == 0 || address_size > 8)
b3681d67
L		 6621 {
6622 error (_("Invalid address size in %s section!\n"),
6623 section->name);
6624 break;
6625 }
6626
53b8873b
NC		 6627 /* The DWARF spec does not require that the address size be a power
6628 of two, but we do. This will have to change if we ever encounter
6629 an uneven architecture. */
6630 if ((address_size & (address_size - 1)) != 0)
6631 {
6632 warn (_("Pointer size + Segment size is not a power of two.\n"));
6633 break;
6634 }
cecf136e 6635
209c9a13
NC		 6636 if (address_size > 4)
6637 printf (_("\n Address Length\n"));
6638 else
6639 printf (_("\n Address Length\n"));
19e6b90e 6640
91d6fa6a 6641 addr_ranges = hdrptr;
19e6b90e 6642
53b8873b
NC		 6643 /* Must pad to an alignment boundary that is twice the address size. */
6644 excess = (hdrptr - start) % (2 * address_size);
19e6b90e 6645 if (excess)
91d6fa6a 6646 addr_ranges += (2 * address_size) - excess;
19e6b90e 6647
e98fdf1a 6648 start += arange.ar_length + initial_length_size;
1617e571 6649
91d6fa6a 6650 while (addr_ranges + 2 * address_size <= start)
19e6b90e 6651 {
0c588247
NC		 6652 SAFE_BYTE_GET_AND_INC (address, addr_ranges, address_size, end);
6653 SAFE_BYTE_GET_AND_INC (length, addr_ranges, address_size, end);
19e6b90e 6654
80c35038 6655 printf (" ");
2d9472a2
NC		 6656 print_dwarf_vma (address, address_size);
6657 print_dwarf_vma (length, address_size);
6658 putchar ('\n');
19e6b90e 6659 }
19e6b90e
L		 6660 }
6661
6662 printf ("\n");
6663
6664 return 1;
6665}
6666
4723351a
CC		 6667/* Comparison function for qsort. */
6668static int
6669comp_addr_base (const void * v0, const void * v1)
6670{
d367307b
AM		 6671 debug_info *info0 = *(debug_info **) v0;
6672 debug_info *info1 = *(debug_info **) v1;
4723351a
CC		 6673 return info0->addr_base - info1->addr_base;
6674}
6675
6676/* Display the debug_addr section. */
6677static int
6678display_debug_addr (struct dwarf_section *section,
b4eb7656 6679 void *file)
4723351a
CC		 6680{
6681 debug_info **debug_addr_info;
6682 unsigned char *entry;
6683 unsigned char *end;
6684 unsigned int i;
6685 unsigned int count;
6686
6687 if (section->size == 0)
6688 {
6689 printf (_("\nThe %s section is empty.\n"), section->name);
6690 return 0;
6691 }
6692
6693 if (load_debug_info (file) == 0)
6694 {
6695 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
6696 section->name);
6697 return 0;
6698 }
6699
dda8d76d 6700 introduce (section, FALSE);
4723351a 6701
1306a742
NC		 6702 /* PR 17531: file: cf38d01b.
6703 We use xcalloc because a corrupt file may not have initialised all of the
6704 fields in the debug_info structure, which means that the sort below might
6705 try to move uninitialised data. */
6706 debug_addr_info = (debug_info **) xcalloc ((num_debug_info_entries + 1),
b4eb7656 6707 sizeof (debug_info *));
4723351a
CC		 6708
6709 count = 0;
6710 for (i = 0; i < num_debug_info_entries; i++)
82b1b41b 6711 if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE)
1306a742
NC		 6712 {
6713 /* PR 17531: file: cf38d01b. */
6714 if (debug_information[i].addr_base >= section->size)
6715 warn (_("Corrupt address base (%lx) found in debug section %u\n"),
6716 (unsigned long) debug_information[i].addr_base, i);
6717 else
6718 debug_addr_info [count++] = debug_information + i;
6719 }
4723351a
CC		 6720
6721 /* Add a sentinel to make iteration convenient. */
6722 debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info));
6723 debug_addr_info [count]->addr_base = section->size;
4723351a 6724 qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base);
1306a742 6725
4723351a
CC		 6726 for (i = 0; i < count; i++)
6727 {
6728 unsigned int idx;
fab128ef 6729 unsigned int address_size = debug_addr_info [i]->pointer_size;
4723351a
CC		 6730
6731 printf (_(" For compilation unit at offset 0x%s:\n"),
b4eb7656 6732 dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset));
4723351a 6733
fab128ef 6734 printf (_("\tIndex\tAddress\n"));
4723351a
CC		 6735 entry = section->start + debug_addr_info [i]->addr_base;
6736 end = section->start + debug_addr_info [i + 1]->addr_base;
6737 idx = 0;
6738 while (entry < end)
b4eb7656
AM		 6739 {
6740 dwarf_vma base = byte_get (entry, address_size);
6741 printf (_("\t%d:\t"), idx);
6742 print_dwarf_vma (base, address_size);
6743 printf ("\n");
6744 entry += address_size;
6745 idx++;
6746 }
4723351a
CC		 6747 }
6748 printf ("\n");
6749
6750 free (debug_addr_info);
6751 return 1;
6752}
6753
6754/* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */
24841daa 6755
4723351a
CC		 6756static int
6757display_debug_str_offsets (struct dwarf_section *section,
b4eb7656 6758 void *file ATTRIBUTE_UNUSED)
4723351a
CC		 6759{
6760 if (section->size == 0)
6761 {
6762 printf (_("\nThe %s section is empty.\n"), section->name);
6763 return 0;
6764 }
6765 /* TODO: Dump the contents. This is made somewhat difficult by not knowing
6766 what the offset size is for this section. */
6767 return 1;
6768}
6769
01a8f077
JK		 6770/* Each debug_information[x].range_lists[y] gets this representation for
6771 sorting purposes. */
6772
6773struct range_entry
467c65bc
NC		 6774{
6775 /* The debug_information[x].range_lists[y] value. */
359ca075 6776 dwarf_vma ranges_offset;
01a8f077 6777
467c65bc
NC		 6778 /* Original debug_information to find parameters of the data. */
6779 debug_info *debug_info_p;
6780};
01a8f077
JK		 6781
6782/* Sort struct range_entry in ascending order of its RANGES_OFFSET. */
6783
6784static int
6785range_entry_compar (const void *ap, const void *bp)
6786{
3f5e193b
NC		 6787 const struct range_entry *a_re = (const struct range_entry *) ap;
6788 const struct range_entry *b_re = (const struct range_entry *) bp;
359ca075
JK		 6789 const dwarf_vma a = a_re->ranges_offset;
6790 const dwarf_vma b = b_re->ranges_offset;
01a8f077
JK		 6791
6792 return (a > b) - (b > a);
6793}
6794
77145576
JK		 6795static void
6796display_debug_ranges_list (unsigned char *start, unsigned char *finish,
6797 unsigned int pointer_size, unsigned long offset,
6798 unsigned long base_address)
6799{
6800 while (start < finish)
6801 {
6802 dwarf_vma begin;
6803 dwarf_vma end;
6804
6805 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
6806 if (start >= finish)
6807 break;
6808 SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish);
6809
d11ae95e 6810
77145576
JK		 6811 printf (" %8.8lx ", offset);
6812
6813 if (begin == 0 && end == 0)
6814 {
6815 printf (_("<End of list>\n"));
6816 break;
6817 }
6818
6819 /* Check base address specifiers. */
6820 if (is_max_address (begin, pointer_size)
6821 && !is_max_address (end, pointer_size))
6822 {
6823 base_address = end;
6824 print_dwarf_vma (begin, pointer_size);
6825 print_dwarf_vma (end, pointer_size);
6826 printf ("(base address)\n");
6827 continue;
6828 }
6829
6830 print_dwarf_vma (begin + base_address, pointer_size);
6831 print_dwarf_vma (end + base_address, pointer_size);
6832
6833 if (begin == end)
6834 fputs (_("(start == end)"), stdout);
6835 else if (begin > end)
6836 fputs (_("(start > end)"), stdout);
6837
6838 putchar ('\n');
6839 }
6840}
6841
6842static void
6843display_debug_rnglists_list (unsigned char *start, unsigned char *finish,
6844 unsigned int pointer_size, unsigned long offset,
6845 unsigned long base_address)
6846{
6847 unsigned char *next = start;
6848
6849 while (1)
6850 {
6851 unsigned long off = offset + (start - next);
6852 enum dwarf_range_list_entry rlet;
9dfd0db9
JK		 6853 /* Initialize it due to a false compiler warning. */
6854 dwarf_vma begin = -1, length, end = -1;
77145576
JK		 6855
6856 if (start + 1 > finish)
6857 {
6858 warn (_("Range list starting at offset 0x%lx is not terminated.\n"),
6859 offset);
6860 break;
6861 }
6862
6863 printf (" %8.8lx ", off);
6864
6865 SAFE_BYTE_GET_AND_INC (rlet, start, 1, finish);
6866
6867 switch (rlet)
6868 {
6869 case DW_RLE_end_of_list:
6870 printf (_("<End of list>\n"));
6871 break;
6872 case DW_RLE_base_address:
6873 SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, finish);
6874 print_dwarf_vma (base_address, pointer_size);
6875 printf (_("(base address)\n"));
6876 break;
6877 case DW_RLE_start_length:
6878 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
cd30bcef 6879 READ_ULEB (length, start, finish);
77145576
JK		 6880 end = begin + length;
6881 break;
6882 case DW_RLE_offset_pair:
cd30bcef
AM		 6883 READ_ULEB (begin, start, finish);
6884 READ_ULEB (end, start, finish);
77145576
JK		 6885 break;
6886 case DW_RLE_start_end:
6887 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
6888 SAFE_BYTE_GET_AND_INC (end, start, pointer_size, finish);
6889 break;
6890 default:
6891 error (_("Invalid range list entry type %d\n"), rlet);
6892 rlet = DW_RLE_end_of_list;
6893 break;
6894 }
6895 if (rlet == DW_RLE_end_of_list)
6896 break;
6897 if (rlet == DW_RLE_base_address)
6898 continue;
6899
6900 print_dwarf_vma (begin + base_address, pointer_size);
6901 print_dwarf_vma (end + base_address, pointer_size);
6902
6903 if (begin == end)
6904 fputs (_("(start == end)"), stdout);
6905 else if (begin > end)
6906 fputs (_("(start > end)"), stdout);
6907
6908 putchar ('\n');
6909 }
6910}
6911
19e6b90e
L		 6912static int
6913display_debug_ranges (struct dwarf_section *section,
6914 void *file ATTRIBUTE_UNUSED)
6915{
6916 unsigned char *start = section->start;
a2ff7a4b 6917 unsigned char *last_start = start;
f6f0e17b 6918 unsigned long bytes = section->size;
19e6b90e 6919 unsigned char *section_begin = start;
f6f0e17b 6920 unsigned char *finish = start + bytes;
01a8f077
JK		 6921 unsigned int num_range_list, i;
6922 struct range_entry *range_entries, *range_entry_fill;
77145576
JK		 6923 int is_rnglists = strstr (section->name, "debug_rnglists") != NULL;
6924 /* Initialize it due to a false compiler warning. */
6925 unsigned char address_size = 0;
19e6b90e 6926
19e6b90e
L		 6927 if (bytes == 0)
6928 {
6929 printf (_("\nThe %s section is empty.\n"), section->name);
6930 return 0;
6931 }
6932
77145576
JK		 6933 if (is_rnglists)
6934 {
6935 dwarf_vma initial_length;
6936 unsigned int initial_length_size;
6937 unsigned char segment_selector_size;
6938 unsigned int offset_size, offset_entry_count;
6939 unsigned short version;
6940
6941 /* Get and check the length of the block. */
6942 SAFE_BYTE_GET_AND_INC (initial_length, start, 4, finish);
6943
6944 if (initial_length == 0xffffffff)
6945 {
6946 /* This section is 64-bit DWARF 3. */
6947 SAFE_BYTE_GET_AND_INC (initial_length, start, 8, finish);
6948 offset_size = 8;
6949 initial_length_size = 12;
6950 }
6951 else
6952 {
6953 offset_size = 4;
6954 initial_length_size = 4;
6955 }
6956
6957 if (initial_length + initial_length_size > section->size)
6958 {
6959 /* If the length field has a relocation against it, then we should
6960 not complain if it is inaccurate (and probably negative).
6961 It is copied from .debug_line handling code. */
6962 if (reloc_at (section, (start - section->start) - offset_size))
6963 {
6964 initial_length = (finish - start) - initial_length_size;
6965 }
6966 else
6967 {
6968 warn (_("The length field (0x%lx) in the debug_rnglists header is wrong - the section is too small\n"),
6969 (long) initial_length);
6970 return 0;
6971 }
6972 }
6973
6974 /* Get and check the version number. */
6975 SAFE_BYTE_GET_AND_INC (version, start, 2, finish);
6976
6977 if (version != 5)
6978 {
6979 warn (_("Only DWARF version 5 debug_rnglists info "
6980 "is currently supported.\n"));
6981 return 0;
6982 }
6983
6984 SAFE_BYTE_GET_AND_INC (address_size, start, 1, finish);
6985
6986 SAFE_BYTE_GET_AND_INC (segment_selector_size, start, 1, finish);
6987 if (segment_selector_size != 0)
6988 {
6989 warn (_("The %s section contains "
6990 "unsupported segment selector size: %d.\n"),
6991 section->name, segment_selector_size);
6992 return 0;
6993 }
6994
6995 SAFE_BYTE_GET_AND_INC (offset_entry_count, start, 4, finish);
6996 if (offset_entry_count != 0)
6997 {
6998 warn (_("The %s section contains "
6999 "unsupported offset entry count: %u.\n"),
7000 section->name, offset_entry_count);
7001 return 0;
7002 }
7003 }
7004
1febe64d
NC		 7005 if (load_debug_info (file) == 0)
7006 {
7007 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
7008 section->name);
7009 return 0;
7010 }
19e6b90e 7011
01a8f077 7012 num_range_list = 0;
19e6b90e 7013 for (i = 0; i < num_debug_info_entries; i++)
01a8f077 7014 num_range_list += debug_information [i].num_range_lists;
19e6b90e 7015
01a8f077 7016 if (num_range_list == 0)
4723351a
CC		 7017 {
7018 /* This can happen when the file was compiled with -gsplit-debug
b4eb7656 7019 which removes references to range lists from the primary .o file. */
4723351a
CC		 7020 printf (_("No range lists in .debug_info section.\n"));
7021 return 1;
7022 }
19e6b90e 7023
3f5e193b
NC		 7024 range_entries = (struct range_entry *)
7025 xmalloc (sizeof (*range_entries) * num_range_list);
01a8f077 7026 range_entry_fill = range_entries;
19e6b90e 7027
01a8f077
JK		 7028 for (i = 0; i < num_debug_info_entries; i++)
7029 {
7030 debug_info *debug_info_p = &debug_information[i];
7031 unsigned int j;
7032
7033 for (j = 0; j < debug_info_p->num_range_lists; j++)
7034 {
7035 range_entry_fill->ranges_offset = debug_info_p->range_lists[j];
7036 range_entry_fill->debug_info_p = debug_info_p;
7037 range_entry_fill++;
19e6b90e
L		 7038 }
7039 }
7040
01a8f077
JK		 7041 qsort (range_entries, num_range_list, sizeof (*range_entries),
7042 range_entry_compar);
19e6b90e 7043
d493b283 7044 if (dwarf_check != 0 && range_entries[0].ranges_offset != 0)
19e6b90e 7045 warn (_("Range lists in %s section start at 0x%lx\n"),
359ca075 7046 section->name, (unsigned long) range_entries[0].ranges_offset);
19e6b90e 7047
dda8d76d
NC		 7048 introduce (section, FALSE);
7049
19e6b90e
L		 7050 printf (_(" Offset Begin End\n"));
7051
01a8f077 7052 for (i = 0; i < num_range_list; i++)
19e6b90e 7053 {
01a8f077
JK		 7054 struct range_entry *range_entry = &range_entries[i];
7055 debug_info *debug_info_p = range_entry->debug_info_p;
19e6b90e 7056 unsigned int pointer_size;
359ca075 7057 dwarf_vma offset;
01a8f077 7058 unsigned char *next;
359ca075 7059 dwarf_vma base_address;
19e6b90e 7060
77145576 7061 pointer_size = (is_rnglists ? address_size : debug_info_p->pointer_size);
d493b283 7062 offset = range_entry->ranges_offset;
01a8f077
JK		 7063 next = section_begin + offset;
7064 base_address = debug_info_p->base_address;
cecf136e 7065
f41e4712
NC		 7066 /* PR 17512: file: 001-101485-0.001:0.1. */
7067 if (pointer_size < 2 || pointer_size > 8)
7068 {
7069 warn (_("Corrupt pointer size (%d) in debug entry at offset %8.8lx\n"),
359ca075 7070 pointer_size, (unsigned long) offset);
f41e4712
NC		 7071 continue;
7072 }
b4eb7656 7073
d11ae95e
NC		 7074 if (next < section_begin || next >= finish)
7075 {
7076 warn (_("Corrupt offset (%#8.8lx) in range entry %u\n"),
7077 (unsigned long) offset, i);
7078 continue;
7079 }
7080
4723351a 7081 if (dwarf_check != 0 && i > 0)
19e6b90e 7082 {
01a8f077
JK		 7083 if (start < next)
7084 warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"),
7085 (unsigned long) (start - section_begin),
7086 (unsigned long) (next - section_begin), section->name);
7087 else if (start > next)
a2ff7a4b
AM		 7088 {
7089 if (next == last_start)
7090 continue;
7091 warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"),
7092 (unsigned long) (start - section_begin),
7093 (unsigned long) (next - section_begin), section->name);
7094 }
01a8f077 7095 }
d11ae95e 7096
01a8f077 7097 start = next;
a2ff7a4b 7098 last_start = next;
19e6b90e 7099
77145576
JK		 7100 (is_rnglists ? display_debug_rnglists_list : display_debug_ranges_list)
7101 (start, finish, pointer_size, offset, base_address);
19e6b90e
L		 7102 }
7103 putchar ('\n');
01a8f077
JK		 7104
7105 free (range_entries);
7106
19e6b90e
L		 7107 return 1;
7108}
7109
7110typedef struct Frame_Chunk
7111{
7112 struct Frame_Chunk *next;
7113 unsigned char *chunk_start;
a1165289 7114 unsigned int ncols;
19e6b90e
L		 7115 /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */
7116 short int *col_type;
7117 int *col_offset;
7118 char *augmentation;
7119 unsigned int code_factor;
7120 int data_factor;
bf5117e3
NC		 7121 dwarf_vma pc_begin;
7122 dwarf_vma pc_range;
32ef3000 7123 unsigned int cfa_reg;
c8071705 7124 dwarf_vma cfa_offset;
a1165289 7125 unsigned int ra;
19e6b90e
L		 7126 unsigned char fde_encoding;
7127 unsigned char cfa_exp;
604282a7
JJ		 7128 unsigned char ptr_size;
7129 unsigned char segment_size;
19e6b90e
L		 7130}
7131Frame_Chunk;
7132
1296bc99
AB		 7133typedef const char *(*dwarf_regname_lookup_ftype) (unsigned int);
7134static dwarf_regname_lookup_ftype dwarf_regnames_lookup_func;
665ce1f6
L		 7135static const char *const *dwarf_regnames;
7136static unsigned int dwarf_regnames_count;
7137
1296bc99 7138
19e6b90e
L		 7139/* A marker for a col_type that means this column was never referenced
7140 in the frame info. */
7141#define DW_CFA_unreferenced (-1)
7142
a1165289 7143/* Return 0 if no more space is needed, 1 if more space is needed,
665ce1f6
L		 7144 -1 for invalid reg. */
7145
7146static int
7147frame_need_space (Frame_Chunk *fc, unsigned int reg)
19e6b90e 7148{
a1165289 7149 unsigned int prev = fc->ncols;
19e6b90e 7150
665ce1f6
L		 7151 if (reg < (unsigned int) fc->ncols)
7152 return 0;
7153
d9acf707 7154 if (dwarf_regnames_count > 0
665ce1f6
L		 7155 && reg > dwarf_regnames_count)
7156 return -1;
19e6b90e
L		 7157
7158 fc->ncols = reg + 1;
a1165289
NC		 7159 /* PR 17512: file: 10450-2643-0.004.
7160 If reg == -1 then this can happen... */
7161 if (fc->ncols == 0)
7162 return -1;
7163
06614111 7164 /* PR 17512: file: 2844a11d. */
d9acf707 7165 if (fc->ncols > 1024 && dwarf_regnames_count == 0)
06614111
NC		 7166 {
7167 error (_("Unfeasibly large register number: %u\n"), reg);
7168 fc->ncols = 0;
7169 /* FIXME: 1024 is an arbitrary limit. Increase it if
7170 we ever encounter a valid binary that exceeds it. */
7171 return -1;
7172 }
7173
3f5e193b 7174 fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols,
b4eb7656 7175 sizeof (short int));
3f5e193b 7176 fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int));
b4eb7656 7177 /* PR 17512: file:002-10025-0.005. */
041830e0
NC		 7178 if (fc->col_type == NULL || fc->col_offset == NULL)
7179 {
7180 error (_("Out of memory allocating %u columns in dwarf frame arrays\n"),
7181 fc->ncols);
7182 fc->ncols = 0;
7183 return -1;
7184 }
19e6b90e
L		 7185
7186 while (prev < fc->ncols)
7187 {
7188 fc->col_type[prev] = DW_CFA_unreferenced;
7189 fc->col_offset[prev] = 0;
7190 prev++;
7191 }
665ce1f6 7192 return 1;
19e6b90e
L		 7193}
7194
2dc4cec1
L		 7195static const char *const dwarf_regnames_i386[] =
7196{
43234a1e
L		 7197 "eax", "ecx", "edx", "ebx", /* 0 - 3 */
7198 "esp", "ebp", "esi", "edi", /* 4 - 7 */
7199 "eip", "eflags", NULL, /* 8 - 10 */
7200 "st0", "st1", "st2", "st3", /* 11 - 14 */
7201 "st4", "st5", "st6", "st7", /* 15 - 18 */
7202 NULL, NULL, /* 19 - 20 */
7203 "xmm0", "xmm1", "xmm2", "xmm3", /* 21 - 24 */
7204 "xmm4", "xmm5", "xmm6", "xmm7", /* 25 - 28 */
7205 "mm0", "mm1", "mm2", "mm3", /* 29 - 32 */
7206 "mm4", "mm5", "mm6", "mm7", /* 33 - 36 */
7207 "fcw", "fsw", "mxcsr", /* 37 - 39 */
7208 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */
7209 "tr", "ldtr", /* 48 - 49 */
7210 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */
7211 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */
7212 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */
7213 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */
7214 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */
7215 NULL, NULL, NULL, /* 90 - 92 */
7216 "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" /* 93 - 100 */
2dc4cec1
L		 7217};
7218
3d875af5
L		 7219static const char *const dwarf_regnames_iamcu[] =
7220{
7221 "eax", "ecx", "edx", "ebx", /* 0 - 3 */
7222 "esp", "ebp", "esi", "edi", /* 4 - 7 */
7223 "eip", "eflags", NULL, /* 8 - 10 */
7224 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 11 - 18 */
7225 NULL, NULL, /* 19 - 20 */
7226 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 21 - 28 */
7227 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 29 - 36 */
7228 NULL, NULL, NULL, /* 37 - 39 */
7229 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */
7230 "tr", "ldtr", /* 48 - 49 */
7231 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */
7232 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */
7233 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */
7234 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */
7235 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */
7236 NULL, NULL, NULL, /* 90 - 92 */
7237 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL /* 93 - 100 */
7238};
7239
99f6fdd9 7240static void
b129eb0e
RH		 7241init_dwarf_regnames_i386 (void)
7242{
7243 dwarf_regnames = dwarf_regnames_i386;
7244 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386);
1296bc99 7245 dwarf_regnames_lookup_func = regname_internal_by_table_only;
b129eb0e
RH		 7246}
7247
99f6fdd9 7248static void
3d875af5
L		 7249init_dwarf_regnames_iamcu (void)
7250{
7251 dwarf_regnames = dwarf_regnames_iamcu;
7252 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_iamcu);
1296bc99 7253 dwarf_regnames_lookup_func = regname_internal_by_table_only;
3d875af5
L		 7254}
7255
2dc4cec1
L		 7256static const char *const dwarf_regnames_x86_64[] =
7257{
7258 "rax", "rdx", "rcx", "rbx",
7259 "rsi", "rdi", "rbp", "rsp",
7260 "r8", "r9", "r10", "r11",
7261 "r12", "r13", "r14", "r15",
7262 "rip",
7263 "xmm0", "xmm1", "xmm2", "xmm3",
7264 "xmm4", "xmm5", "xmm6", "xmm7",
7265 "xmm8", "xmm9", "xmm10", "xmm11",
7266 "xmm12", "xmm13", "xmm14", "xmm15",
7267 "st0", "st1", "st2", "st3",
7268 "st4", "st5", "st6", "st7",
7269 "mm0", "mm1", "mm2", "mm3",
7270 "mm4", "mm5", "mm6", "mm7",
7271 "rflags",
7272 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL,
7273 "fs.base", "gs.base", NULL, NULL,
7274 "tr", "ldtr",
43234a1e
L		 7275 "mxcsr", "fcw", "fsw",
7276 "xmm16", "xmm17", "xmm18", "xmm19",
7277 "xmm20", "xmm21", "xmm22", "xmm23",
7278 "xmm24", "xmm25", "xmm26", "xmm27",
7279 "xmm28", "xmm29", "xmm30", "xmm31",
7280 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 83 - 90 */
7281 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 91 - 98 */
7282 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 99 - 106 */
7283 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 107 - 114 */
7284 NULL, NULL, NULL, /* 115 - 117 */
7285 "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7"
2dc4cec1
L		 7286};
7287
99f6fdd9 7288static void
b129eb0e
RH		 7289init_dwarf_regnames_x86_64 (void)
7290{
7291 dwarf_regnames = dwarf_regnames_x86_64;
7292 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64);
1296bc99 7293 dwarf_regnames_lookup_func = regname_internal_by_table_only;
b129eb0e
RH		 7294}
7295
4ee22035
RH		 7296static const char *const dwarf_regnames_aarch64[] =
7297{
b4eb7656
AM		 7298 "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7",
7299 "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15",
4ee22035
RH		 7300 "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23",
7301 "x24", "x25", "x26", "x27", "x28", "x29", "x30", "sp",
7302 NULL, "elr", NULL, NULL, NULL, NULL, NULL, NULL,
fab7c86e
TC		 7303 NULL, NULL, NULL, NULL, NULL, NULL, "vg", "ffr",
7304 "p0", "p1", "p2", "p3", "p4", "p5", "p6", "p7",
7305 "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15",
b4eb7656
AM		 7306 "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
7307 "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15",
4ee22035
RH		 7308 "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
7309 "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31",
fab7c86e
TC		 7310 "z0", "z1", "z2", "z3", "z4", "z5", "z6", "z7",
7311 "z8", "z9", "z10", "z11", "z12", "z13", "z14", "z15",
7312 "z16", "z17", "z18", "z19", "z20", "z21", "z22", "z23",
7313 "z24", "z25", "z26", "z27", "z28", "z29", "z30", "z31",
4ee22035
RH		 7314};
7315
99f6fdd9 7316static void
4ee22035
RH		 7317init_dwarf_regnames_aarch64 (void)
7318{
7319 dwarf_regnames = dwarf_regnames_aarch64;
7320 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_aarch64);
1296bc99 7321 dwarf_regnames_lookup_func = regname_internal_by_table_only;
4ee22035
RH		 7322}
7323
d6bb17b0
AA		 7324static const char *const dwarf_regnames_s390[] =
7325{
7326 /* Avoid saying "r5 (r5)", so omit the names of r0-r15. */
7327 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7328 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7329 "f0", "f2", "f4", "f6", "f1", "f3", "f5", "f7",
7330 "f8", "f10", "f12", "f14", "f9", "f11", "f13", "f15",
7331 "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",
7332 "cr8", "cr9", "cr10", "cr11", "cr12", "cr13", "cr14", "cr15",
7333 "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7",
7334 "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15",
7335 "pswm", "pswa",
7336 NULL, NULL,
7337 "v16", "v18", "v20", "v22", "v17", "v19", "v21", "v23",
7338 "v24", "v26", "v28", "v30", "v25", "v27", "v29", "v31",
7339};
7340
99f6fdd9 7341static void
d6bb17b0
AA		 7342init_dwarf_regnames_s390 (void)
7343{
7344 dwarf_regnames = dwarf_regnames_s390;
7345 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_s390);
1296bc99 7346 dwarf_regnames_lookup_func = regname_internal_by_table_only;
d6bb17b0
AA		 7347}
7348
5bb0830d
AB		 7349static const char *const dwarf_regnames_riscv[] =
7350{
7351 "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", /* 0 - 7 */
7352 "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", /* 8 - 15 */
7353 "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", /* 16 - 23 */
7354 "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", /* 24 - 31 */
7355 "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", /* 32 - 39 */
7356 "fs0", "fs1", /* 40 - 41 */
7357 "fa0", "fa1", "fa2", "fa3", "fa4", "fa5", "fa6", "fa7", /* 42 - 49 */
7358 "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", "fs8", "fs9", /* 50 - 57 */
7359 "fs10", "fs11", /* 58 - 59 */
7360 "ft8", "ft9", "ft10", "ft11" /* 60 - 63 */
7361};
7362
4762fe62
AB		 7363/* A RISC-V replacement for REGNAME_INTERNAL_BY_TABLE_ONLY which handles
7364 the large number of CSRs. */
7365
7366static const char *
7367regname_internal_riscv (unsigned int regno)
7368{
7369 const char *name = NULL;
7370
7371 /* Lookup in the table first, this covers GPR and FPR. */
7372 if (regno < ARRAY_SIZE (dwarf_regnames_riscv))
7373 name = dwarf_regnames_riscv [regno];
7374 else if (regno >= 4096 && regno <= 8191)
7375 {
7376 /* This might be a CSR, these live in a sparse number space from 4096
7377 to 8191 These numbers are defined in the RISC-V ELF ABI
7378 document. */
7379 switch (regno)
7380 {
bd0cf5a6 7381#define DECLARE_CSR(NAME,VALUE,CLASS) case VALUE + 4096: name = #NAME; break;
4762fe62
AB		 7382#include "opcode/riscv-opc.h"
7383#undef DECLARE_CSR
7384
7385 default:
7386 {
7387 static char csr_name[10];
7388 snprintf (csr_name, sizeof (csr_name), "csr%d", (regno - 4096));
7389 name = csr_name;
7390 }
7391 break;
7392 }
7393 }
7394
7395 return name;
7396}
7397
99f6fdd9 7398static void
5bb0830d
AB		 7399init_dwarf_regnames_riscv (void)
7400{
4762fe62
AB		 7401 dwarf_regnames = NULL;
7402 dwarf_regnames_count = 8192;
7403 dwarf_regnames_lookup_func = regname_internal_riscv;
5bb0830d
AB		 7404}
7405
2dc4cec1 7406void
955ff7fc 7407init_dwarf_regnames_by_elf_machine_code (unsigned int e_machine)
2dc4cec1 7408{
1296bc99
AB		 7409 dwarf_regnames_lookup_func = NULL;
7410
2dc4cec1
L		 7411 switch (e_machine)
7412 {
7413 case EM_386:
b129eb0e 7414 init_dwarf_regnames_i386 ();
2dc4cec1
L		 7415 break;
7416
3d875af5
L		 7417 case EM_IAMCU:
7418 init_dwarf_regnames_iamcu ();
7419 break;
7420
2dc4cec1 7421 case EM_X86_64:
7f502d6c 7422 case EM_L1OM:
7a9068fe 7423 case EM_K1OM:
b129eb0e 7424 init_dwarf_regnames_x86_64 ();
2dc4cec1
L		 7425 break;
7426
4ee22035
RH		 7427 case EM_AARCH64:
7428 init_dwarf_regnames_aarch64 ();
7429 break;
7430
d6bb17b0
AA		 7431 case EM_S390:
7432 init_dwarf_regnames_s390 ();
7433 break;
7434
5bb0830d
AB		 7435 case EM_RISCV:
7436 init_dwarf_regnames_riscv ();
7437 break;
7438
2dc4cec1
L		 7439 default:
7440 break;
7441 }
7442}
7443
229a22cf
AB		 7444/* Initialize the DWARF register name lookup state based on the
7445 architecture and specific machine type of a BFD. */
7446
7447void
7448init_dwarf_regnames_by_bfd_arch_and_mach (enum bfd_architecture arch,
7449 unsigned long mach)
7450{
1296bc99
AB		 7451 dwarf_regnames_lookup_func = NULL;
7452
229a22cf
AB		 7453 switch (arch)
7454 {
7455 case bfd_arch_i386:
7456 switch (mach)
7457 {
7458 case bfd_mach_x86_64:
7459 case bfd_mach_x86_64_intel_syntax:
7460 case bfd_mach_x86_64_nacl:
7461 case bfd_mach_x64_32:
7462 case bfd_mach_x64_32_intel_syntax:
7463 case bfd_mach_x64_32_nacl:
7464 init_dwarf_regnames_x86_64 ();
7465 break;
7466
7467 default:
7468 init_dwarf_regnames_i386 ();
7469 break;
7470 }
7471 break;
7472
7473 case bfd_arch_iamcu:
7474 init_dwarf_regnames_iamcu ();
7475 break;
7476
7477 case bfd_arch_aarch64:
7478 init_dwarf_regnames_aarch64();
7479 break;
7480
7481 case bfd_arch_s390:
7482 init_dwarf_regnames_s390 ();
7483 break;
7484
7485 case bfd_arch_riscv:
7486 init_dwarf_regnames_riscv ();
7487 break;
7488
7489 default:
7490 break;
7491 }
7492}
7493
2dc4cec1 7494static const char *
1296bc99 7495regname_internal_by_table_only (unsigned int regno)
2dc4cec1 7496{
1296bc99 7497 if (dwarf_regnames != NULL
2dc4cec1
L		 7498 && regno < dwarf_regnames_count
7499 && dwarf_regnames [regno] != NULL)
1296bc99
AB		 7500 return dwarf_regnames [regno];
7501
7502 return NULL;
7503}
7504
7505static const char *
7506regname (unsigned int regno, int name_only_p)
7507{
7508 static char reg[64];
7509
7510 const char *name = NULL;
7511
7512 if (dwarf_regnames_lookup_func != NULL)
7513 name = dwarf_regnames_lookup_func (regno);
7514
7515 if (name != NULL)
2dc4cec1 7516 {
1296bc99
AB		 7517 if (name_only_p)
7518 return name;
7519 snprintf (reg, sizeof (reg), "r%d (%s)", regno, name);
2dc4cec1
L		 7520 }
7521 else
7522 snprintf (reg, sizeof (reg), "r%d", regno);
7523 return reg;
7524}
7525
19e6b90e 7526static void
a1165289 7527frame_display_row (Frame_Chunk *fc, int *need_col_headers, unsigned int *max_regs)
19e6b90e 7528{
a1165289 7529 unsigned int r;
19e6b90e
L		 7530 char tmp[100];
7531
d8024a91 7532 if (*max_regs != fc->ncols)
19e6b90e
L		 7533 *max_regs = fc->ncols;
7534
7535 if (*need_col_headers)
7536 {
91d6fa6a 7537 static const char *sloc = " LOC";
2dc4cec1 7538
19e6b90e
L		 7539 *need_col_headers = 0;
7540
91d6fa6a 7541 printf ("%-*s CFA ", eh_addr_size * 2, sloc);
19e6b90e
L		 7542
7543 for (r = 0; r < *max_regs; r++)
7544 if (fc->col_type[r] != DW_CFA_unreferenced)
7545 {
7546 if (r == fc->ra)
50751e18 7547 printf ("ra ");
19e6b90e 7548 else
2dc4cec1 7549 printf ("%-5s ", regname (r, 1));
19e6b90e
L		 7550 }
7551
7552 printf ("\n");
7553 }
7554
bf5117e3 7555 print_dwarf_vma (fc->pc_begin, eh_addr_size);
19e6b90e
L		 7556 if (fc->cfa_exp)
7557 strcpy (tmp, "exp");
7558 else
c8071705 7559 sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), (int) fc->cfa_offset);
19e6b90e
L		 7560 printf ("%-8s ", tmp);
7561
7562 for (r = 0; r < fc->ncols; r++)
7563 {
7564 if (fc->col_type[r] != DW_CFA_unreferenced)
7565 {
7566 switch (fc->col_type[r])
7567 {
7568 case DW_CFA_undefined:
7569 strcpy (tmp, "u");
7570 break;
7571 case DW_CFA_same_value:
7572 strcpy (tmp, "s");
7573 break;
7574 case DW_CFA_offset:
7575 sprintf (tmp, "c%+d", fc->col_offset[r]);
7576 break;
12eae2d3
JJ		 7577 case DW_CFA_val_offset:
7578 sprintf (tmp, "v%+d", fc->col_offset[r]);
7579 break;
19e6b90e 7580 case DW_CFA_register:
2dc4cec1 7581 sprintf (tmp, "%s", regname (fc->col_offset[r], 0));
19e6b90e
L		 7582 break;
7583 case DW_CFA_expression:
7584 strcpy (tmp, "exp");
7585 break;
12eae2d3
JJ		 7586 case DW_CFA_val_expression:
7587 strcpy (tmp, "vexp");
7588 break;
19e6b90e
L		 7589 default:
7590 strcpy (tmp, "n/a");
7591 break;
7592 }
2dc4cec1 7593 printf ("%-5s ", tmp);
19e6b90e
L		 7594 }
7595 }
7596 printf ("\n");
7597}
7598
49727e46 7599#define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end)
19e6b90e 7600
49727e46
AM		 7601static unsigned char *
7602read_cie (unsigned char *start, unsigned char *end,
7603 Frame_Chunk **p_cie, int *p_version,
bf59c5d5 7604 bfd_size_type *p_aug_len, unsigned char **p_aug)
49727e46
AM		 7605{
7606 int version;
7607 Frame_Chunk *fc;
49727e46 7608 unsigned char *augmentation_data = NULL;
bf59c5d5 7609 bfd_size_type augmentation_data_len = 0;
49727e46 7610
041830e0 7611 * p_cie = NULL;
f41e4712
NC		 7612 /* PR 17512: file: 001-228113-0.004. */
7613 if (start >= end)
7614 return end;
7615
49727e46
AM		 7616 fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
7617 memset (fc, 0, sizeof (Frame_Chunk));
7618
7619 fc->col_type = (short int *) xmalloc (sizeof (short int));
7620 fc->col_offset = (int *) xmalloc (sizeof (int));
7621
7622 version = *start++;
7623
7624 fc->augmentation = (char *) start;
f41e4712
NC		 7625 /* PR 17512: file: 001-228113-0.004.
7626 Skip past augmentation name, but avoid running off the end of the data. */
7627 while (start < end)
7628 if (* start ++ == '\0')
7629 break;
7630 if (start == end)
7631 {
7632 warn (_("No terminator for augmentation name\n"));
442a6ce8 7633 goto fail;
f41e4712 7634 }
49727e46
AM		 7635
7636 if (strcmp (fc->augmentation, "eh") == 0)
7637 start += eh_addr_size;
7638
7639 if (version >= 4)
7640 {
7641 GET (fc->ptr_size, 1);
77ef8654
NC		 7642 if (fc->ptr_size < 1 || fc->ptr_size > 8)
7643 {
7644 warn (_("Invalid pointer size (%d) in CIE data\n"), fc->ptr_size);
442a6ce8 7645 goto fail;
77ef8654
NC		 7646 }
7647
49727e46 7648 GET (fc->segment_size, 1);
77ef8654
NC		 7649 /* PR 17512: file: e99d2804. */
7650 if (fc->segment_size > 8 || fc->segment_size + fc->ptr_size > 8)
7651 {
7652 warn (_("Invalid segment size (%d) in CIE data\n"), fc->segment_size);
442a6ce8 7653 goto fail;
77ef8654
NC		 7654 }
7655
49727e46
AM		 7656 eh_addr_size = fc->ptr_size;
7657 }
7658 else
7659 {
7660 fc->ptr_size = eh_addr_size;
7661 fc->segment_size = 0;
7662 }
442a6ce8 7663
cd30bcef
AM		 7664 READ_ULEB (fc->code_factor, start, end);
7665 READ_SLEB (fc->data_factor, start, end);
442a6ce8 7666
49727e46
AM		 7667 if (version == 1)
7668 {
7669 GET (fc->ra, 1);
7670 }
7671 else
7672 {
cd30bcef 7673 READ_ULEB (fc->ra, start, end);
49727e46
AM		 7674 }
7675
7676 if (fc->augmentation[0] == 'z')
7677 {
cd30bcef 7678 READ_ULEB (augmentation_data_len, start, end);
49727e46 7679 augmentation_data = start;
a1165289 7680 /* PR 17512: file: 11042-2589-0.004. */
bf59c5d5 7681 if (augmentation_data_len > (bfd_size_type) (end - start))
a1165289 7682 {
bf59c5d5
NC		 7683 warn (_("Augmentation data too long: 0x%s, expected at most %#lx\n"),
7684 dwarf_vmatoa ("x", augmentation_data_len),
7685 (unsigned long) (end - start));
442a6ce8 7686 goto fail;
a1165289 7687 }
9c0f3d3f 7688 start += augmentation_data_len;
49727e46
AM		 7689 }
7690
7691 if (augmentation_data_len)
7692 {
058037d3
NC		 7693 unsigned char *p;
7694 unsigned char *q;
7695 unsigned char *qend;
b4eb7656 7696
49727e46
AM		 7697 p = (unsigned char *) fc->augmentation + 1;
7698 q = augmentation_data;
058037d3
NC		 7699 qend = q + augmentation_data_len;
7700
9c0f3d3f 7701 while (p < end && q < qend)
49727e46
AM		 7702 {
7703 if (*p == 'L')
7704 q++;
7705 else if (*p == 'P')
7706 q += 1 + size_of_encoded_value (*q);
7707 else if (*p == 'R')
7708 fc->fde_encoding = *q++;
7709 else if (*p == 'S')
7710 ;
09038062
ST		 7711 else if (*p == 'B')
7712 ;
49727e46
AM		 7713 else
7714 break;
7715 p++;
7716 }
c361b9ac
NC		 7717 /* Note - it is OK if this loop terminates with q < qend.
7718 Padding may have been inserted to align the end of the CIE. */
49727e46
AM		 7719 }
7720
7721 *p_cie = fc;
7722 if (p_version)
7723 *p_version = version;
7724 if (p_aug_len)
7725 {
7726 *p_aug_len = augmentation_data_len;
7727 *p_aug = augmentation_data;
7728 }
7729 return start;
442a6ce8
NC		 7730
7731 fail:
7732 free (fc->col_offset);
7733 free (fc->col_type);
7734 free (fc);
7735 return end;
49727e46
AM		 7736}
7737
d85bf2ba
NC		 7738/* Prints out the contents on the DATA array formatted as unsigned bytes.
7739 If do_wide is not enabled, then formats the output to fit into 80 columns.
7740 PRINTED contains the number of characters already written to the current
7741 output line. */
bf59c5d5
NC		 7742
7743static void
d85bf2ba
NC		 7744display_data (bfd_size_type printed,
7745 const unsigned char * data,
7746 const bfd_size_type len)
bf59c5d5 7747{
d85bf2ba
NC		 7748 if (do_wide || len < ((80 - printed) / 3))
7749 for (printed = 0; printed < len; ++printed)
7750 printf (" %02x", data[printed]);
bf59c5d5
NC		 7751 else
7752 {
d85bf2ba 7753 for (printed = 0; printed < len; ++printed)
bf59c5d5 7754 {
d85bf2ba 7755 if (printed % (80 / 3) == 0)
bf59c5d5 7756 putchar ('\n');
d85bf2ba 7757 printf (" %02x", data[printed]);
bf59c5d5
NC		 7758 }
7759 }
d85bf2ba
NC		 7760}
7761
7762/* Prints out the contents on the augmentation data array.
7763 If do_wide is not enabled, then formats the output to fit into 80 columns. */
7764
7765static void
7766display_augmentation_data (const unsigned char * data, const bfd_size_type len)
7767{
7768 bfd_size_type i;
7769
7770 i = printf (_(" Augmentation data: "));
7771 display_data (i, data, len);
bf59c5d5
NC		 7772}
7773
19e6b90e
L		 7774static int
7775display_debug_frames (struct dwarf_section *section,
7776 void *file ATTRIBUTE_UNUSED)
7777{
7778 unsigned char *start = section->start;
7779 unsigned char *end = start + section->size;
7780 unsigned char *section_start = start;
3391569f
NC		 7781 Frame_Chunk *chunks = NULL, *forward_refs = NULL;
7782 Frame_Chunk *remembered_state = NULL;
19e6b90e 7783 Frame_Chunk *rs;
3391569f 7784 bfd_boolean is_eh = strcmp (section->name, ".eh_frame") == 0;
a1165289 7785 unsigned int max_regs = 0;
665ce1f6 7786 const char *bad_reg = _("bad register: ");
77ef8654 7787 unsigned int saved_eh_addr_size = eh_addr_size;
19e6b90e 7788
dda8d76d 7789 introduce (section, FALSE);
19e6b90e
L		 7790
7791 while (start < end)
7792 {
7793 unsigned char *saved_start;
7794 unsigned char *block_end;
bf5117e3
NC		 7795 dwarf_vma length;
7796 dwarf_vma cie_id;
19e6b90e
L		 7797 Frame_Chunk *fc;
7798 Frame_Chunk *cie;
7799 int need_col_headers = 1;
7800 unsigned char *augmentation_data = NULL;
bf59c5d5 7801 bfd_size_type augmentation_data_len = 0;
bf5117e3
NC		 7802 unsigned int encoded_ptr_size = saved_eh_addr_size;
7803 unsigned int offset_size;
7804 unsigned int initial_length_size;
5b6312fd 7805 bfd_boolean all_nops;
a788aedd 7806 static Frame_Chunk fde_fc;
19e6b90e
L		 7807
7808 saved_start = start;
19e6b90e 7809
0c588247 7810 SAFE_BYTE_GET_AND_INC (length, start, 4, end);
041830e0 7811
19e6b90e
L		 7812 if (length == 0)
7813 {
7814 printf ("\n%08lx ZERO terminator\n\n",
7815 (unsigned long)(saved_start - section_start));
6937bb54
NC		 7816 /* Skip any zero terminators that directly follow.
7817 A corrupt section size could have loaded a whole
7818 slew of zero filled memory bytes. eg
7819 PR 17512: file: 070-19381-0.004. */
7820 while (start < end && * start == 0)
7821 ++ start;
b758e50f 7822 continue;
19e6b90e
L		 7823 }
7824
7825 if (length == 0xffffffff)
7826 {
0c588247 7827 SAFE_BYTE_GET_AND_INC (length, start, 8, end);
19e6b90e
L		 7828 offset_size = 8;
7829 initial_length_size = 12;
7830 }
7831 else
7832 {
7833 offset_size = 4;
7834 initial_length_size = 4;
7835 }
7836
7837 block_end = saved_start + length + initial_length_size;
041830e0 7838 if (block_end > end || block_end < start)
53b8873b 7839 {
bf5117e3
NC		 7840 warn ("Invalid length 0x%s in FDE at %#08lx\n",
7841 dwarf_vmatoa_1 (NULL, length, offset_size),
7842 (unsigned long) (saved_start - section_start));
53b8873b
NC		 7843 block_end = end;
7844 }
0c588247
NC		 7845
7846 SAFE_BYTE_GET_AND_INC (cie_id, start, offset_size, end);
19e6b90e 7847
846a11e4
NC		 7848 if (is_eh ? (cie_id == 0) : ((offset_size == 4 && cie_id == DW_CIE_ID)
7849 || (offset_size == 8 && cie_id == DW64_CIE_ID)))
19e6b90e
L		 7850 {
7851 int version;
a1165289 7852 unsigned int mreg;
19e6b90e 7853
49727e46
AM		 7854 start = read_cie (start, end, &cie, &version,
7855 &augmentation_data_len, &augmentation_data);
041830e0
NC		 7856 /* PR 17512: file: 027-135133-0.005. */
7857 if (cie == NULL)
7858 break;
a1165289 7859
49727e46 7860 fc = cie;
19e6b90e
L		 7861 fc->next = chunks;
7862 chunks = fc;
7863 fc->chunk_start = saved_start;
a1165289 7864 mreg = max_regs > 0 ? max_regs - 1 : 0;
49727e46
AM		 7865 if (mreg < fc->ra)
7866 mreg = fc->ra;
06614111
NC		 7867 if (frame_need_space (fc, mreg) < 0)
7868 break;
49727e46
AM		 7869 if (fc->fde_encoding)
7870 encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
19e6b90e 7871
bf5117e3
NC		 7872 printf ("\n%08lx ", (unsigned long) (saved_start - section_start));
7873 print_dwarf_vma (length, fc->ptr_size);
9c41109d 7874 print_dwarf_vma (cie_id, offset_size);
bf5117e3 7875
19e6b90e 7876 if (do_debug_frames_interp)
bf5117e3
NC		 7877 {
7878 printf ("CIE \"%s\" cf=%d df=%d ra=%d\n", fc->augmentation,
7879 fc->code_factor, fc->data_factor, fc->ra);
7880 }
19e6b90e
L		 7881 else
7882 {
bf5117e3 7883 printf ("CIE\n");
19e6b90e
L		 7884 printf (" Version: %d\n", version);
7885 printf (" Augmentation: \"%s\"\n", fc->augmentation);
604282a7
JJ		 7886 if (version >= 4)
7887 {
7888 printf (" Pointer Size: %u\n", fc->ptr_size);
7889 printf (" Segment Size: %u\n", fc->segment_size);
7890 }
19e6b90e
L		 7891 printf (" Code alignment factor: %u\n", fc->code_factor);
7892 printf (" Data alignment factor: %d\n", fc->data_factor);
7893 printf (" Return address column: %d\n", fc->ra);
7894
7895 if (augmentation_data_len)
bf59c5d5 7896 display_augmentation_data (augmentation_data, augmentation_data_len);
a1165289 7897
19e6b90e
L		 7898 putchar ('\n');
7899 }
19e6b90e
L		 7900 }
7901 else
7902 {
7903 unsigned char *look_for;
604282a7 7904 unsigned long segment_selector;
19e6b90e 7905
49727e46
AM		 7906 if (is_eh)
7907 {
7908 dwarf_vma sign = (dwarf_vma) 1 << (offset_size * 8 - 1);
7909 look_for = start - 4 - ((cie_id ^ sign) - sign);
7910 }
7911 else
7912 look_for = section_start + cie_id;
19e6b90e 7913
49727e46
AM		 7914 if (look_for <= saved_start)
7915 {
7916 for (cie = chunks; cie ; cie = cie->next)
7917 if (cie->chunk_start == look_for)
7918 break;
7919 }
7920 else
7921 {
7922 for (cie = forward_refs; cie ; cie = cie->next)
7923 if (cie->chunk_start == look_for)
7924 break;
7925 if (!cie)
7926 {
7927 unsigned int off_size;
7928 unsigned char *cie_scan;
19e6b90e 7929
49727e46
AM		 7930 cie_scan = look_for;
7931 off_size = 4;
7932 SAFE_BYTE_GET_AND_INC (length, cie_scan, 4, end);
7933 if (length == 0xffffffff)
7934 {
7935 SAFE_BYTE_GET_AND_INC (length, cie_scan, 8, end);
7936 off_size = 8;
7937 }
7938 if (length != 0)
7939 {
7940 dwarf_vma c_id;
7941
7942 SAFE_BYTE_GET_AND_INC (c_id, cie_scan, off_size, end);
7943 if (is_eh
7944 ? c_id == 0
7945 : ((off_size == 4 && c_id == DW_CIE_ID)
7946 || (off_size == 8 && c_id == DW64_CIE_ID)))
7947 {
7948 int version;
a1165289 7949 unsigned int mreg;
49727e46
AM		 7950
7951 read_cie (cie_scan, end, &cie, &version,
7952 &augmentation_data_len, &augmentation_data);
a1165289
NC		 7953 /* PR 17512: file: 3450-2098-0.004. */
7954 if (cie == NULL)
7955 {
7956 warn (_("Failed to read CIE information\n"));
7957 break;
7958 }
49727e46
AM		 7959 cie->next = forward_refs;
7960 forward_refs = cie;
7961 cie->chunk_start = look_for;
a1165289 7962 mreg = max_regs > 0 ? max_regs - 1 : 0;
49727e46
AM		 7963 if (mreg < cie->ra)
7964 mreg = cie->ra;
06614111
NC		 7965 if (frame_need_space (cie, mreg) < 0)
7966 {
7967 warn (_("Invalid max register\n"));
7968 break;
7969 }
49727e46
AM		 7970 if (cie->fde_encoding)
7971 encoded_ptr_size
7972 = size_of_encoded_value (cie->fde_encoding);
7973 }
7974 }
7975 }
7976 }
7977
7978 fc = &fde_fc;
7979 memset (fc, 0, sizeof (Frame_Chunk));
19e6b90e
L		 7980
7981 if (!cie)
7982 {
bf5117e3
NC		 7983 warn ("Invalid CIE pointer 0x%s in FDE at %#08lx\n",
7984 dwarf_vmatoa_1 (NULL, cie_id, offset_size),
7985 (unsigned long) (saved_start - section_start));
19e6b90e 7986 fc->ncols = 0;
3f5e193b
NC		 7987 fc->col_type = (short int *) xmalloc (sizeof (short int));
7988 fc->col_offset = (int *) xmalloc (sizeof (int));
06614111
NC		 7989 if (frame_need_space (fc, max_regs > 0 ? max_regs - 1 : 0) < 0)
7990 {
7991 warn (_("Invalid max register\n"));
7992 break;
7993 }
19e6b90e
L		 7994 cie = fc;
7995 fc->augmentation = "";
7996 fc->fde_encoding = 0;
604282a7
JJ		 7997 fc->ptr_size = eh_addr_size;
7998 fc->segment_size = 0;
19e6b90e
L		 7999 }
8000 else
8001 {
8002 fc->ncols = cie->ncols;
3f5e193b
NC		 8003 fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int));
8004 fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int));
19e6b90e
L		 8005 memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int));
8006 memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int));
8007 fc->augmentation = cie->augmentation;
604282a7
JJ		 8008 fc->ptr_size = cie->ptr_size;
8009 eh_addr_size = cie->ptr_size;
8010 fc->segment_size = cie->segment_size;
19e6b90e
L		 8011 fc->code_factor = cie->code_factor;
8012 fc->data_factor = cie->data_factor;
8013 fc->cfa_reg = cie->cfa_reg;
8014 fc->cfa_offset = cie->cfa_offset;
8015 fc->ra = cie->ra;
06614111
NC		 8016 if (frame_need_space (fc, max_regs > 0 ? max_regs - 1: 0) < 0)
8017 {
8018 warn (_("Invalid max register\n"));
8019 break;
8020 }
19e6b90e
L		 8021 fc->fde_encoding = cie->fde_encoding;
8022 }
8023
8024 if (fc->fde_encoding)
8025 encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
8026
604282a7
JJ		 8027 segment_selector = 0;
8028 if (fc->segment_size)
c8071705
NC		 8029 {
8030 if (fc->segment_size > sizeof (segment_selector))
8031 {
8032 /* PR 17512: file: 9e196b3e. */
8033 warn (_("Probably corrupt segment size: %d - using 4 instead\n"), fc->segment_size);
8034 fc->segment_size = 4;
8035 }
8036 SAFE_BYTE_GET_AND_INC (segment_selector, start, fc->segment_size, end);
8037 }
041830e0
NC		 8038
8039 fc->pc_begin = get_encoded_value (&start, fc->fde_encoding, section, end);
19e6b90e 8040
0c588247
NC		 8041 /* FIXME: It appears that sometimes the final pc_range value is
8042 encoded in less than encoded_ptr_size bytes. See the x86_64
8043 run of the "objcopy on compressed debug sections" test for an
8044 example of this. */
8045 SAFE_BYTE_GET_AND_INC (fc->pc_range, start, encoded_ptr_size, end);
bf5117e3 8046
19e6b90e
L		 8047 if (cie->augmentation[0] == 'z')
8048 {
cd30bcef 8049 READ_ULEB (augmentation_data_len, start, end);
19e6b90e 8050 augmentation_data = start;
bf59c5d5 8051 /* PR 17512 file: 722-8446-0.004 and PR 22386. */
d292364e 8052 if (augmentation_data_len > (bfd_size_type) (end - start))
0a9d414a 8053 {
d292364e
AM		 8054 warn (_("Augmentation data too long: 0x%s, "
8055 "expected at most %#lx\n"),
8056 dwarf_vmatoa ("x", augmentation_data_len),
8057 (unsigned long) (end - start));
0a9d414a
NC		 8058 start = end;
8059 augmentation_data = NULL;
8060 augmentation_data_len = 0;
8061 }
d292364e 8062 start += augmentation_data_len;
19e6b90e
L		 8063 }
8064
bf5117e3
NC		 8065 printf ("\n%08lx %s %s FDE cie=%08lx pc=",
8066 (unsigned long)(saved_start - section_start),
8067 dwarf_vmatoa_1 (NULL, length, fc->ptr_size),
9c41109d 8068 dwarf_vmatoa_1 (NULL, cie_id, offset_size),
604282a7 8069 (unsigned long)(cie->chunk_start - section_start));
bf5117e3 8070
604282a7
JJ		 8071 if (fc->segment_size)
8072 printf ("%04lx:", segment_selector);
bf5117e3
NC		 8073
8074 printf ("%s..%s\n",
8075 dwarf_vmatoa_1 (NULL, fc->pc_begin, fc->ptr_size),
8076 dwarf_vmatoa_1 (NULL, fc->pc_begin + fc->pc_range, fc->ptr_size));
8077
19e6b90e
L		 8078 if (! do_debug_frames_interp && augmentation_data_len)
8079 {
bf59c5d5 8080 display_augmentation_data (augmentation_data, augmentation_data_len);
19e6b90e
L		 8081 putchar ('\n');
8082 }
8083 }
8084
8085 /* At this point, fc is the current chunk, cie (if any) is set, and
8086 we're about to interpret instructions for the chunk. */
8087 /* ??? At present we need to do this always, since this sizes the
8088 fc->col_type and fc->col_offset arrays, which we write into always.
8089 We should probably split the interpreted and non-interpreted bits
8090 into two different routines, since there's so much that doesn't
8091 really overlap between them. */
8092 if (1 || do_debug_frames_interp)
8093 {
8094 /* Start by making a pass over the chunk, allocating storage
8095 and taking note of what registers are used. */
8096 unsigned char *tmp = start;
8097
8098 while (start < block_end)
8099 {
041830e0
NC		 8100 unsigned int reg, op, opa;
8101 unsigned long temp;
5929c344 8102 unsigned char * new_start;
19e6b90e
L		 8103
8104 op = *start++;
8105 opa = op & 0x3f;
8106 if (op & 0xc0)
8107 op &= 0xc0;
8108
8109 /* Warning: if you add any more cases to this switch, be
8110 sure to add them to the corresponding switch below. */
8111 switch (op)
8112 {
8113 case DW_CFA_advance_loc:
8114 break;
8115 case DW_CFA_offset:
cd30bcef 8116 SKIP_ULEB (start, end);
665ce1f6
L		 8117 if (frame_need_space (fc, opa) >= 0)
8118 fc->col_type[opa] = DW_CFA_undefined;
19e6b90e
L		 8119 break;
8120 case DW_CFA_restore:
665ce1f6
L		 8121 if (frame_need_space (fc, opa) >= 0)
8122 fc->col_type[opa] = DW_CFA_undefined;
19e6b90e
L		 8123 break;
8124 case DW_CFA_set_loc:
8125 start += encoded_ptr_size;
8126 break;
8127 case DW_CFA_advance_loc1:
8128 start += 1;
8129 break;
8130 case DW_CFA_advance_loc2:
8131 start += 2;
8132 break;
8133 case DW_CFA_advance_loc4:
8134 start += 4;
8135 break;
8136 case DW_CFA_offset_extended:
12eae2d3 8137 case DW_CFA_val_offset:
cd30bcef
AM		 8138 READ_ULEB (reg, start, end);
8139 SKIP_ULEB (start, end);
665ce1f6
L		 8140 if (frame_need_space (fc, reg) >= 0)
8141 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8142 break;
8143 case DW_CFA_restore_extended:
cd30bcef 8144 READ_ULEB (reg, start, end);
665ce1f6
L		 8145 if (frame_need_space (fc, reg) >= 0)
8146 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8147 break;
8148 case DW_CFA_undefined:
cd30bcef 8149 READ_ULEB (reg, start, end);
665ce1f6
L		 8150 if (frame_need_space (fc, reg) >= 0)
8151 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8152 break;
8153 case DW_CFA_same_value:
cd30bcef 8154 READ_ULEB (reg, start, end);
665ce1f6
L		 8155 if (frame_need_space (fc, reg) >= 0)
8156 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8157 break;
8158 case DW_CFA_register:
cd30bcef
AM		 8159 READ_ULEB (reg, start, end);
8160 SKIP_ULEB (start, end);
665ce1f6
L		 8161 if (frame_need_space (fc, reg) >= 0)
8162 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8163 break;
8164 case DW_CFA_def_cfa:
cd30bcef
AM		 8165 SKIP_ULEB (start, end);
8166 SKIP_ULEB (start, end);
19e6b90e
L		 8167 break;
8168 case DW_CFA_def_cfa_register:
cd30bcef 8169 SKIP_ULEB (start, end);
19e6b90e
L		 8170 break;
8171 case DW_CFA_def_cfa_offset:
cd30bcef 8172 SKIP_ULEB (start, end);
19e6b90e
L		 8173 break;
8174 case DW_CFA_def_cfa_expression:
cd30bcef 8175 READ_ULEB (temp, start, end);
5929c344
NC		 8176 new_start = start + temp;
8177 if (new_start < start)
041830e0
NC		 8178 {
8179 warn (_("Corrupt CFA_def expression value: %lu\n"), temp);
8180 start = block_end;
8181 }
8182 else
5929c344 8183 start = new_start;
19e6b90e
L		 8184 break;
8185 case DW_CFA_expression:
12eae2d3 8186 case DW_CFA_val_expression:
cd30bcef
AM		 8187 READ_ULEB (reg, start, end);
8188 READ_ULEB (temp, start, end);
5929c344
NC		 8189 new_start = start + temp;
8190 if (new_start < start)
041830e0 8191 {
b4eb7656 8192 /* PR 17512: file:306-192417-0.005. */
041830e0
NC		 8193 warn (_("Corrupt CFA expression value: %lu\n"), temp);
8194 start = block_end;
8195 }
8196 else
5929c344 8197 start = new_start;
665ce1f6
L		 8198 if (frame_need_space (fc, reg) >= 0)
8199 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8200 break;
8201 case DW_CFA_offset_extended_sf:
12eae2d3 8202 case DW_CFA_val_offset_sf:
cd30bcef
AM		 8203 READ_ULEB (reg, start, end);
8204 SKIP_SLEB (start, end);
665ce1f6
L		 8205 if (frame_need_space (fc, reg) >= 0)
8206 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8207 break;
8208 case DW_CFA_def_cfa_sf:
cd30bcef
AM		 8209 SKIP_ULEB (start, end);
8210 SKIP_SLEB (start, end);
19e6b90e
L		 8211 break;
8212 case DW_CFA_def_cfa_offset_sf:
cd30bcef 8213 SKIP_SLEB (start, end);
19e6b90e
L		 8214 break;
8215 case DW_CFA_MIPS_advance_loc8:
8216 start += 8;
8217 break;
8218 case DW_CFA_GNU_args_size:
cd30bcef 8219 SKIP_ULEB (start, end);
19e6b90e
L		 8220 break;
8221 case DW_CFA_GNU_negative_offset_extended:
cd30bcef
AM		 8222 READ_ULEB (reg, start, end);
8223 SKIP_ULEB (start, end);
665ce1f6
L		 8224 if (frame_need_space (fc, reg) >= 0)
8225 fc->col_type[reg] = DW_CFA_undefined;
8226 break;
19e6b90e
L		 8227 default:
8228 break;
8229 }
8230 }
8231 start = tmp;
8232 }
8233
5b6312fd
NC		 8234 all_nops = TRUE;
8235
19e6b90e
L		 8236 /* Now we know what registers are used, make a second pass over
8237 the chunk, this time actually printing out the info. */
8238
8239 while (start < block_end)
8240 {
362beea4 8241 unsigned char * tmp;
19e6b90e 8242 unsigned op, opa;
7f2c8a1d
NC		 8243 unsigned long ul, roffs;
8244 /* Note: It is tempting to use an unsigned long for 'reg' but there
8245 are various functions, notably frame_space_needed() that assume that
8246 reg is an unsigned int. */
8247 unsigned int reg;
8248 dwarf_signed_vma l;
bf5117e3 8249 dwarf_vma ofs;
19e6b90e 8250 dwarf_vma vma;
665ce1f6 8251 const char *reg_prefix = "";
19e6b90e
L		 8252
8253 op = *start++;
8254 opa = op & 0x3f;
8255 if (op & 0xc0)
8256 op &= 0xc0;
8257
5b6312fd
NC		 8258 /* Make a note if something other than DW_CFA_nop happens. */
8259 if (op != DW_CFA_nop)
8260 all_nops = FALSE;
8261
19e6b90e
L		 8262 /* Warning: if you add any more cases to this switch, be
8263 sure to add them to the corresponding switch above. */
8264 switch (op)
8265 {
8266 case DW_CFA_advance_loc:
8267 if (do_debug_frames_interp)
8268 frame_display_row (fc, &need_col_headers, &max_regs);
8269 else
bf5117e3 8270 printf (" DW_CFA_advance_loc: %d to %s\n",
19e6b90e 8271 opa * fc->code_factor,
b4eb7656 8272 dwarf_vmatoa_1 (NULL,
bf5117e3
NC		 8273 fc->pc_begin + opa * fc->code_factor,
8274 fc->ptr_size));
19e6b90e
L		 8275 fc->pc_begin += opa * fc->code_factor;
8276 break;
8277
8278 case DW_CFA_offset:
cd30bcef 8279 READ_ULEB (roffs, start, end);
665ce1f6
L		 8280 if (opa >= (unsigned int) fc->ncols)
8281 reg_prefix = bad_reg;
8282 if (! do_debug_frames_interp || *reg_prefix != '\0')
8283 printf (" DW_CFA_offset: %s%s at cfa%+ld\n",
8284 reg_prefix, regname (opa, 0),
8285 roffs * fc->data_factor);
8286 if (*reg_prefix == '\0')
8287 {
8288 fc->col_type[opa] = DW_CFA_offset;
8289 fc->col_offset[opa] = roffs * fc->data_factor;
8290 }
19e6b90e
L		 8291 break;
8292
8293 case DW_CFA_restore:
50751e18 8294 if (opa >= (unsigned int) fc->ncols)
665ce1f6
L		 8295 reg_prefix = bad_reg;
8296 if (! do_debug_frames_interp || *reg_prefix != '\0')
8297 printf (" DW_CFA_restore: %s%s\n",
8298 reg_prefix, regname (opa, 0));
50751e18
AK		 8299 if (*reg_prefix != '\0')
8300 break;
8301
8302 if (opa >= (unsigned int) cie->ncols
8303 || (do_debug_frames_interp
8304 && cie->col_type[opa] == DW_CFA_unreferenced))
8305 {
8306 fc->col_type[opa] = DW_CFA_undefined;
8307 fc->col_offset[opa] = 0;
8308 }
8309 else
665ce1f6
L		 8310 {
8311 fc->col_type[opa] = cie->col_type[opa];
8312 fc->col_offset[opa] = cie->col_offset[opa];
8313 }
19e6b90e
L		 8314 break;
8315
8316 case DW_CFA_set_loc:
6937bb54 8317 vma = get_encoded_value (&start, fc->fde_encoding, section, block_end);
19e6b90e
L		 8318 if (do_debug_frames_interp)
8319 frame_display_row (fc, &need_col_headers, &max_regs);
8320 else
bf5117e3
NC		 8321 printf (" DW_CFA_set_loc: %s\n",
8322 dwarf_vmatoa_1 (NULL, vma, fc->ptr_size));
19e6b90e
L		 8323 fc->pc_begin = vma;
8324 break;
8325
8326 case DW_CFA_advance_loc1:
0c588247 8327 SAFE_BYTE_GET_AND_INC (ofs, start, 1, end);
19e6b90e
L		 8328 if (do_debug_frames_interp)
8329 frame_display_row (fc, &need_col_headers, &max_regs);
8330 else
bf5117e3
NC		 8331 printf (" DW_CFA_advance_loc1: %ld to %s\n",
8332 (unsigned long) (ofs * fc->code_factor),
8333 dwarf_vmatoa_1 (NULL,
8334 fc->pc_begin + ofs * fc->code_factor,
8335 fc->ptr_size));
19e6b90e
L		 8336 fc->pc_begin += ofs * fc->code_factor;
8337 break;
8338
8339 case DW_CFA_advance_loc2:
6937bb54 8340 SAFE_BYTE_GET_AND_INC (ofs, start, 2, block_end);
19e6b90e
L		 8341 if (do_debug_frames_interp)
8342 frame_display_row (fc, &need_col_headers, &max_regs);
8343 else
bf5117e3
NC		 8344 printf (" DW_CFA_advance_loc2: %ld to %s\n",
8345 (unsigned long) (ofs * fc->code_factor),
8346 dwarf_vmatoa_1 (NULL,
8347 fc->pc_begin + ofs * fc->code_factor,
8348 fc->ptr_size));
19e6b90e
L		 8349 fc->pc_begin += ofs * fc->code_factor;
8350 break;
8351
8352 case DW_CFA_advance_loc4:
6937bb54 8353 SAFE_BYTE_GET_AND_INC (ofs, start, 4, block_end);
19e6b90e
L		 8354 if (do_debug_frames_interp)
8355 frame_display_row (fc, &need_col_headers, &max_regs);
8356 else
bf5117e3
NC		 8357 printf (" DW_CFA_advance_loc4: %ld to %s\n",
8358 (unsigned long) (ofs * fc->code_factor),
8359 dwarf_vmatoa_1 (NULL,
8360 fc->pc_begin + ofs * fc->code_factor,
8361 fc->ptr_size));
19e6b90e
L		 8362 fc->pc_begin += ofs * fc->code_factor;
8363 break;
8364
8365 case DW_CFA_offset_extended:
cd30bcef
AM		 8366 READ_ULEB (reg, start, end);
8367 READ_ULEB (roffs, start, end);
665ce1f6
L		 8368 if (reg >= (unsigned int) fc->ncols)
8369 reg_prefix = bad_reg;
8370 if (! do_debug_frames_interp || *reg_prefix != '\0')
8371 printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n",
8372 reg_prefix, regname (reg, 0),
8373 roffs * fc->data_factor);
8374 if (*reg_prefix == '\0')
8375 {
8376 fc->col_type[reg] = DW_CFA_offset;
8377 fc->col_offset[reg] = roffs * fc->data_factor;
8378 }
19e6b90e
L		 8379 break;
8380
12eae2d3 8381 case DW_CFA_val_offset:
cd30bcef
AM		 8382 READ_ULEB (reg, start, end);
8383 READ_ULEB (roffs, start, end);
665ce1f6
L		 8384 if (reg >= (unsigned int) fc->ncols)
8385 reg_prefix = bad_reg;
8386 if (! do_debug_frames_interp || *reg_prefix != '\0')
084303b8 8387 printf (" DW_CFA_val_offset: %s%s is cfa%+ld\n",
665ce1f6
L		 8388 reg_prefix, regname (reg, 0),
8389 roffs * fc->data_factor);
8390 if (*reg_prefix == '\0')
8391 {
8392 fc->col_type[reg] = DW_CFA_val_offset;
8393 fc->col_offset[reg] = roffs * fc->data_factor;
8394 }
12eae2d3
JJ		 8395 break;
8396
19e6b90e 8397 case DW_CFA_restore_extended:
cd30bcef 8398 READ_ULEB (reg, start, end);
50751e18 8399 if (reg >= (unsigned int) fc->ncols)
665ce1f6
L		 8400 reg_prefix = bad_reg;
8401 if (! do_debug_frames_interp || *reg_prefix != '\0')
8402 printf (" DW_CFA_restore_extended: %s%s\n",
8403 reg_prefix, regname (reg, 0));
50751e18
AK		 8404 if (*reg_prefix != '\0')
8405 break;
8406
8407 if (reg >= (unsigned int) cie->ncols)
8408 {
8409 fc->col_type[reg] = DW_CFA_undefined;
8410 fc->col_offset[reg] = 0;
8411 }
8412 else
665ce1f6
L		 8413 {
8414 fc->col_type[reg] = cie->col_type[reg];
8415 fc->col_offset[reg] = cie->col_offset[reg];
8416 }
19e6b90e
L		 8417 break;
8418
8419 case DW_CFA_undefined:
cd30bcef 8420 READ_ULEB (reg, start, end);
665ce1f6
L		 8421 if (reg >= (unsigned int) fc->ncols)
8422 reg_prefix = bad_reg;
8423 if (! do_debug_frames_interp || *reg_prefix != '\0')
8424 printf (" DW_CFA_undefined: %s%s\n",
8425 reg_prefix, regname (reg, 0));
8426 if (*reg_prefix == '\0')
8427 {
8428 fc->col_type[reg] = DW_CFA_undefined;
8429 fc->col_offset[reg] = 0;
8430 }
19e6b90e
L		 8431 break;
8432
8433 case DW_CFA_same_value:
cd30bcef 8434 READ_ULEB (reg, start, end);
665ce1f6
L		 8435 if (reg >= (unsigned int) fc->ncols)
8436 reg_prefix = bad_reg;
8437 if (! do_debug_frames_interp || *reg_prefix != '\0')
8438 printf (" DW_CFA_same_value: %s%s\n",
8439 reg_prefix, regname (reg, 0));
8440 if (*reg_prefix == '\0')
8441 {
8442 fc->col_type[reg] = DW_CFA_same_value;
8443 fc->col_offset[reg] = 0;
8444 }
19e6b90e
L		 8445 break;
8446
8447 case DW_CFA_register:
cd30bcef
AM		 8448 READ_ULEB (reg, start, end);
8449 READ_ULEB (roffs, start, end);
665ce1f6
L		 8450 if (reg >= (unsigned int) fc->ncols)
8451 reg_prefix = bad_reg;
8452 if (! do_debug_frames_interp || *reg_prefix != '\0')
2dc4cec1 8453 {
665ce1f6
L		 8454 printf (" DW_CFA_register: %s%s in ",
8455 reg_prefix, regname (reg, 0));
2dc4cec1
L		 8456 puts (regname (roffs, 0));
8457 }
665ce1f6
L		 8458 if (*reg_prefix == '\0')
8459 {
8460 fc->col_type[reg] = DW_CFA_register;
8461 fc->col_offset[reg] = roffs;
8462 }
19e6b90e
L		 8463 break;
8464
8465 case DW_CFA_remember_state:
8466 if (! do_debug_frames_interp)
8467 printf (" DW_CFA_remember_state\n");
3f5e193b 8468 rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
b4eb7656 8469 rs->cfa_offset = fc->cfa_offset;
d71ad7fc
RC		 8470 rs->cfa_reg = fc->cfa_reg;
8471 rs->ra = fc->ra;
8472 rs->cfa_exp = fc->cfa_exp;
19e6b90e 8473 rs->ncols = fc->ncols;
3f5e193b 8474 rs->col_type = (short int *) xcmalloc (rs->ncols,
b4eb7656 8475 sizeof (* rs->col_type));
d71ad7fc
RC		 8476 rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (* rs->col_offset));
8477 memcpy (rs->col_type, fc->col_type, rs->ncols * sizeof (* fc->col_type));
8478 memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (* fc->col_offset));
19e6b90e
L		 8479 rs->next = remembered_state;
8480 remembered_state = rs;
8481 break;
8482
8483 case DW_CFA_restore_state:
8484 if (! do_debug_frames_interp)
8485 printf (" DW_CFA_restore_state\n");
8486 rs = remembered_state;
8487 if (rs)
8488 {
8489 remembered_state = rs->next;
d71ad7fc
RC		 8490 fc->cfa_offset = rs->cfa_offset;
8491 fc->cfa_reg = rs->cfa_reg;
b4eb7656
AM		 8492 fc->ra = rs->ra;
8493 fc->cfa_exp = rs->cfa_exp;
06614111
NC		 8494 if (frame_need_space (fc, rs->ncols - 1) < 0)
8495 {
1306a742 8496 warn (_("Invalid column number in saved frame state\n"));
06614111
NC		 8497 fc->ncols = 0;
8498 break;
8499 }
d71ad7fc 8500 memcpy (fc->col_type, rs->col_type, rs->ncols * sizeof (* rs->col_type));
19e6b90e 8501 memcpy (fc->col_offset, rs->col_offset,
d71ad7fc 8502 rs->ncols * sizeof (* rs->col_offset));
19e6b90e
L		 8503 free (rs->col_type);
8504 free (rs->col_offset);
8505 free (rs);
8506 }
8507 else if (do_debug_frames_interp)
8508 printf ("Mismatched DW_CFA_restore_state\n");
8509 break;
8510
8511 case DW_CFA_def_cfa:
cd30bcef
AM		 8512 READ_ULEB (fc->cfa_reg, start, end);
8513 READ_ULEB (fc->cfa_offset, start, end);
19e6b90e
L		 8514 fc->cfa_exp = 0;
8515 if (! do_debug_frames_interp)
2dc4cec1 8516 printf (" DW_CFA_def_cfa: %s ofs %d\n",
c8071705 8517 regname (fc->cfa_reg, 0), (int) fc->cfa_offset);
19e6b90e
L		 8518 break;
8519
8520 case DW_CFA_def_cfa_register:
cd30bcef 8521 READ_ULEB (fc->cfa_reg, start, end);
19e6b90e
L		 8522 fc->cfa_exp = 0;
8523 if (! do_debug_frames_interp)
2dc4cec1
L		 8524 printf (" DW_CFA_def_cfa_register: %s\n",
8525 regname (fc->cfa_reg, 0));
19e6b90e
L		 8526 break;
8527
8528 case DW_CFA_def_cfa_offset:
cd30bcef 8529 READ_ULEB (fc->cfa_offset, start, end);
19e6b90e 8530 if (! do_debug_frames_interp)
c8071705 8531 printf (" DW_CFA_def_cfa_offset: %d\n", (int) fc->cfa_offset);
19e6b90e
L		 8532 break;
8533
8534 case DW_CFA_nop:
8535 if (! do_debug_frames_interp)
8536 printf (" DW_CFA_nop\n");
8537 break;
8538
8539 case DW_CFA_def_cfa_expression:
cd30bcef 8540 READ_ULEB (ul, start, end);
7460c0ab 8541 if (start >= block_end || ul > (unsigned long) (block_end - start))
6937bb54 8542 {
a1165289 8543 printf (_(" DW_CFA_def_cfa_expression: <corrupt len %lu>\n"), ul);
6937bb54
NC		 8544 break;
8545 }
19e6b90e
L		 8546 if (! do_debug_frames_interp)
8547 {
8548 printf (" DW_CFA_def_cfa_expression (");
b7807392
JJ		 8549 decode_location_expression (start, eh_addr_size, 0, -1,
8550 ul, 0, section);
19e6b90e
L		 8551 printf (")\n");
8552 }
8553 fc->cfa_exp = 1;
8554 start += ul;
8555 break;
8556
8557 case DW_CFA_expression:
cd30bcef
AM		 8558 READ_ULEB (reg, start, end);
8559 READ_ULEB (ul, start, end);
665ce1f6
L		 8560 if (reg >= (unsigned int) fc->ncols)
8561 reg_prefix = bad_reg;
6937bb54 8562 /* PR 17512: file: 069-133014-0.006. */
06614111 8563 /* PR 17512: file: 98c02eb4. */
362beea4
NC		 8564 tmp = start + ul;
8565 if (start >= block_end || tmp > block_end || tmp < start)
6937bb54 8566 {
a1165289 8567 printf (_(" DW_CFA_expression: <corrupt len %lu>\n"), ul);
6937bb54
NC		 8568 break;
8569 }
665ce1f6 8570 if (! do_debug_frames_interp || *reg_prefix != '\0')
19e6b90e 8571 {
665ce1f6
L		 8572 printf (" DW_CFA_expression: %s%s (",
8573 reg_prefix, regname (reg, 0));
b7807392 8574 decode_location_expression (start, eh_addr_size, 0, -1,
f1c4cc75 8575 ul, 0, section);
19e6b90e
L		 8576 printf (")\n");
8577 }
665ce1f6
L		 8578 if (*reg_prefix == '\0')
8579 fc->col_type[reg] = DW_CFA_expression;
362beea4 8580 start = tmp;
19e6b90e
L		 8581 break;
8582
12eae2d3 8583 case DW_CFA_val_expression:
cd30bcef
AM		 8584 READ_ULEB (reg, start, end);
8585 READ_ULEB (ul, start, end);
665ce1f6
L		 8586 if (reg >= (unsigned int) fc->ncols)
8587 reg_prefix = bad_reg;
362beea4
NC		 8588 tmp = start + ul;
8589 if (start >= block_end || tmp > block_end || tmp < start)
6937bb54 8590 {
a1165289 8591 printf (" DW_CFA_val_expression: <corrupt len %lu>\n", ul);
6937bb54
NC		 8592 break;
8593 }
665ce1f6 8594 if (! do_debug_frames_interp || *reg_prefix != '\0')
12eae2d3 8595 {
665ce1f6
L		 8596 printf (" DW_CFA_val_expression: %s%s (",
8597 reg_prefix, regname (reg, 0));
b7807392
JJ		 8598 decode_location_expression (start, eh_addr_size, 0, -1,
8599 ul, 0, section);
12eae2d3
JJ		 8600 printf (")\n");
8601 }
665ce1f6
L		 8602 if (*reg_prefix == '\0')
8603 fc->col_type[reg] = DW_CFA_val_expression;
362beea4 8604 start = tmp;
12eae2d3
JJ		 8605 break;
8606
19e6b90e 8607 case DW_CFA_offset_extended_sf:
cd30bcef
AM		 8608 READ_ULEB (reg, start, end);
8609 READ_SLEB (l, start, end);
665ce1f6
L		 8610 if (frame_need_space (fc, reg) < 0)
8611 reg_prefix = bad_reg;
8612 if (! do_debug_frames_interp || *reg_prefix != '\0')
8613 printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n",
8614 reg_prefix, regname (reg, 0),
c8071705 8615 (long)(l * fc->data_factor));
665ce1f6
L		 8616 if (*reg_prefix == '\0')
8617 {
8618 fc->col_type[reg] = DW_CFA_offset;
8619 fc->col_offset[reg] = l * fc->data_factor;
8620 }
19e6b90e
L		 8621 break;
8622
12eae2d3 8623 case DW_CFA_val_offset_sf:
cd30bcef
AM		 8624 READ_ULEB (reg, start, end);
8625 READ_SLEB (l, start, end);
665ce1f6
L		 8626 if (frame_need_space (fc, reg) < 0)
8627 reg_prefix = bad_reg;
8628 if (! do_debug_frames_interp || *reg_prefix != '\0')
084303b8 8629 printf (" DW_CFA_val_offset_sf: %s%s is cfa%+ld\n",
665ce1f6 8630 reg_prefix, regname (reg, 0),
c8071705 8631 (long)(l * fc->data_factor));
665ce1f6
L		 8632 if (*reg_prefix == '\0')
8633 {
8634 fc->col_type[reg] = DW_CFA_val_offset;
8635 fc->col_offset[reg] = l * fc->data_factor;
8636 }
12eae2d3
JJ		 8637 break;
8638
19e6b90e 8639 case DW_CFA_def_cfa_sf:
cd30bcef
AM		 8640 READ_ULEB (fc->cfa_reg, start, end);
8641 READ_ULEB (fc->cfa_offset, start, end);
19e6b90e
L		 8642 fc->cfa_offset = fc->cfa_offset * fc->data_factor;
8643 fc->cfa_exp = 0;
8644 if (! do_debug_frames_interp)
2dc4cec1 8645 printf (" DW_CFA_def_cfa_sf: %s ofs %d\n",
c8071705 8646 regname (fc->cfa_reg, 0), (int) fc->cfa_offset);
19e6b90e
L		 8647 break;
8648
8649 case DW_CFA_def_cfa_offset_sf:
cd30bcef 8650 READ_ULEB (fc->cfa_offset, start, end);
c8071705 8651 fc->cfa_offset *= fc->data_factor;
19e6b90e 8652 if (! do_debug_frames_interp)
c8071705 8653 printf (" DW_CFA_def_cfa_offset_sf: %d\n", (int) fc->cfa_offset);
19e6b90e
L		 8654 break;
8655
8656 case DW_CFA_MIPS_advance_loc8:
6937bb54 8657 SAFE_BYTE_GET_AND_INC (ofs, start, 8, block_end);
19e6b90e
L		 8658 if (do_debug_frames_interp)
8659 frame_display_row (fc, &need_col_headers, &max_regs);
8660 else
bf5117e3
NC		 8661 printf (" DW_CFA_MIPS_advance_loc8: %ld to %s\n",
8662 (unsigned long) (ofs * fc->code_factor),
8663 dwarf_vmatoa_1 (NULL,
8664 fc->pc_begin + ofs * fc->code_factor,
8665 fc->ptr_size));
19e6b90e
L		 8666 fc->pc_begin += ofs * fc->code_factor;
8667 break;
8668
8669 case DW_CFA_GNU_window_save:
8670 if (! do_debug_frames_interp)
8671 printf (" DW_CFA_GNU_window_save\n");
8672 break;
8673
8674 case DW_CFA_GNU_args_size:
cd30bcef 8675 READ_ULEB (ul, start, end);
19e6b90e
L		 8676 if (! do_debug_frames_interp)
8677 printf (" DW_CFA_GNU_args_size: %ld\n", ul);
8678 break;
8679
8680 case DW_CFA_GNU_negative_offset_extended:
cd30bcef
AM		 8681 READ_ULEB (reg, start, end);
8682 READ_SLEB (l, start, end);
7f2c8a1d 8683 l = - l;
665ce1f6
L		 8684 if (frame_need_space (fc, reg) < 0)
8685 reg_prefix = bad_reg;
8686 if (! do_debug_frames_interp || *reg_prefix != '\0')
8687 printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n",
8688 reg_prefix, regname (reg, 0),
c8071705 8689 (long)(l * fc->data_factor));
665ce1f6
L		 8690 if (*reg_prefix == '\0')
8691 {
8692 fc->col_type[reg] = DW_CFA_offset;
8693 fc->col_offset[reg] = l * fc->data_factor;
8694 }
19e6b90e
L		 8695 break;
8696
8697 default:
53b8873b
NC		 8698 if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user)
8699 printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op);
8700 else
f41e4712 8701 warn (_("Unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op);
19e6b90e
L		 8702 start = block_end;
8703 }
8704 }
8705
5b6312fd
NC		 8706 /* Interpret the CFA - as long as it is not completely full of NOPs. */
8707 if (do_debug_frames_interp && ! all_nops)
19e6b90e
L		 8708 frame_display_row (fc, &need_col_headers, &max_regs);
8709
a788aedd
AM		 8710 if (fde_fc.col_type != NULL)
8711 {
8712 free (fde_fc.col_type);
8713 fde_fc.col_type = NULL;
8714 }
8715 if (fde_fc.col_offset != NULL)
8716 {
8717 free (fde_fc.col_offset);
8718 fde_fc.col_offset = NULL;
8719 }
8720
19e6b90e 8721 start = block_end;
604282a7 8722 eh_addr_size = saved_eh_addr_size;
19e6b90e
L		 8723 }
8724
8725 printf ("\n");
8726
3391569f
NC		 8727 while (remembered_state != NULL)
8728 {
8729 rs = remembered_state;
8730 remembered_state = rs->next;
8731 free (rs->col_type);
8732 free (rs->col_offset);
8733 rs->next = NULL; /* Paranoia. */
8734 free (rs);
8735 }
8736
8737 while (chunks != NULL)
8738 {
8739 rs = chunks;
8740 chunks = rs->next;
8741 free (rs->col_type);
8742 free (rs->col_offset);
8743 rs->next = NULL; /* Paranoia. */
8744 free (rs);
8745 }
8746
8747 while (forward_refs != NULL)
8748 {
8749 rs = forward_refs;
8750 forward_refs = rs->next;
8751 free (rs->col_type);
8752 free (rs->col_offset);
8753 rs->next = NULL; /* Paranoia. */
8754 free (rs);
8755 }
8756
19e6b90e
L		 8757 return 1;
8758}
8759
8760#undef GET
19e6b90e 8761
61364358
JK		 8762static int
8763display_debug_names (struct dwarf_section *section, void *file)
8764{
8765 unsigned char *hdrptr = section->start;
8766 dwarf_vma unit_length;
8767 unsigned char *unit_start;
8768 const unsigned char *const section_end = section->start + section->size;
8769 unsigned char *unit_end;
8770
dda8d76d 8771 introduce (section, FALSE);
61364358 8772
dda8d76d 8773 load_debug_section_with_follow (str, file);
61364358
JK		 8774
8775 for (; hdrptr < section_end; hdrptr = unit_end)
8776 {
8777 unsigned int offset_size;
8778 uint16_t dwarf_version, padding;
8779 uint32_t comp_unit_count, local_type_unit_count, foreign_type_unit_count;
8780 uint32_t bucket_count, name_count, abbrev_table_size;
8781 uint32_t augmentation_string_size;
8782 unsigned int i;
e98fdf1a 8783 unsigned long sec_off;
48467cb9
TV		 8784 bfd_boolean augmentation_printable;
8785 const char *augmentation_string;
61364358
JK		 8786
8787 unit_start = hdrptr;
8788
8789 /* Get and check the length of the block. */
8790 SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 4, section_end);
8791
8792 if (unit_length == 0xffffffff)
8793 {
8794 /* This section is 64-bit DWARF. */
8795 SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 8, section_end);
8796 offset_size = 8;
8797 }
8798 else
8799 offset_size = 4;
8800 unit_end = hdrptr + unit_length;
8801
e98fdf1a
AM		 8802 sec_off = hdrptr - section->start;
8803 if (sec_off + unit_length < sec_off
8804 || sec_off + unit_length > section->size)
61364358 8805 {
e98fdf1a
AM		 8806 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
8807 section->name,
8808 (unsigned long) (unit_start - section->start),
8809 dwarf_vmatoa ("x", unit_length));
61364358
JK		 8810 return 0;
8811 }
8812
8813 /* Get and check the version number. */
8814 SAFE_BYTE_GET_AND_INC (dwarf_version, hdrptr, 2, unit_end);
8815 printf (_("Version %ld\n"), (long) dwarf_version);
8816
8817 /* Prior versions did not exist, and future versions may not be
8818 backwards compatible. */
8819 if (dwarf_version != 5)
8820 {
8821 warn (_("Only DWARF version 5 .debug_names "
8822 "is currently supported.\n"));
8823 return 0;
8824 }
8825
8826 SAFE_BYTE_GET_AND_INC (padding, hdrptr, 2, unit_end);
8827 if (padding != 0)
8828 warn (_("Padding field of .debug_names must be 0 (found 0x%x)\n"),
8829 padding);
8830
8831 SAFE_BYTE_GET_AND_INC (comp_unit_count, hdrptr, 4, unit_end);
8832 if (comp_unit_count == 0)
8833 warn (_("Compilation unit count must be >= 1 in .debug_names\n"));
8834
8835 SAFE_BYTE_GET_AND_INC (local_type_unit_count, hdrptr, 4, unit_end);
8836 SAFE_BYTE_GET_AND_INC (foreign_type_unit_count, hdrptr, 4, unit_end);
8837 SAFE_BYTE_GET_AND_INC (bucket_count, hdrptr, 4, unit_end);
8838 SAFE_BYTE_GET_AND_INC (name_count, hdrptr, 4, unit_end);
8839 SAFE_BYTE_GET_AND_INC (abbrev_table_size, hdrptr, 4, unit_end);
8840
8841 SAFE_BYTE_GET_AND_INC (augmentation_string_size, hdrptr, 4, unit_end);
8842 if (augmentation_string_size % 4 != 0)
8843 {
8844 warn (_("Augmentation string length %u must be rounded up "
8845 "to a multiple of 4 in .debug_names.\n"),
8846 augmentation_string_size);
8847 augmentation_string_size += (-augmentation_string_size) & 3;
8848 }
48467cb9 8849
61364358 8850 printf (_("Augmentation string:"));
48467cb9
TV		 8851
8852 augmentation_printable = TRUE;
8853 augmentation_string = (const char *) hdrptr;
8854
61364358
JK		 8855 for (i = 0; i < augmentation_string_size; i++)
8856 {
8857 unsigned char uc;
8858
8859 SAFE_BYTE_GET_AND_INC (uc, hdrptr, 1, unit_end);
8860 printf (" %02x", uc);
48467cb9
TV		 8861
8862 if (uc != 0 && !ISPRINT (uc))
8863 augmentation_printable = FALSE;
8864 }
8865
8866 if (augmentation_printable)
8867 {
8868 printf (" (\"");
8869 for (i = 0;
8870 i < augmentation_string_size && augmentation_string[i];
8871 ++i)
8872 putchar (augmentation_string[i]);
8873 printf ("\")");
61364358 8874 }
61364358
JK		 8875 putchar ('\n');
8876
8877 printf (_("CU table:\n"));
8878 for (i = 0; i < comp_unit_count; i++)
8879 {
8880 uint64_t cu_offset;
8881
8882 SAFE_BYTE_GET_AND_INC (cu_offset, hdrptr, offset_size, unit_end);
8883 printf (_("[%3u] 0x%lx\n"), i, (unsigned long) cu_offset);
8884 }
8885 putchar ('\n');
8886
8887 printf (_("TU table:\n"));
8888 for (i = 0; i < local_type_unit_count; i++)
8889 {
8890 uint64_t tu_offset;
8891
8892 SAFE_BYTE_GET_AND_INC (tu_offset, hdrptr, offset_size, unit_end);
8893 printf (_("[%3u] 0x%lx\n"), i, (unsigned long) tu_offset);
8894 }
8895 putchar ('\n');
8896
8897 printf (_("Foreign TU table:\n"));
8898 for (i = 0; i < foreign_type_unit_count; i++)
8899 {
8900 uint64_t signature;
8901
8902 SAFE_BYTE_GET_AND_INC (signature, hdrptr, 8, unit_end);
8903 printf (_("[%3u] "), i);
8904 print_dwarf_vma (signature, 8);
8905 putchar ('\n');
8906 }
8907 putchar ('\n');
8908
8909 const uint32_t *const hash_table_buckets = (uint32_t *) hdrptr;
8910 hdrptr += bucket_count * sizeof (uint32_t);
8911 const uint32_t *const hash_table_hashes = (uint32_t *) hdrptr;
8912 hdrptr += name_count * sizeof (uint32_t);
8913 unsigned char *const name_table_string_offsets = hdrptr;
8914 hdrptr += name_count * offset_size;
8915 unsigned char *const name_table_entry_offsets = hdrptr;
8916 hdrptr += name_count * offset_size;
8917 unsigned char *const abbrev_table = hdrptr;
8918 hdrptr += abbrev_table_size;
8919 const unsigned char *const abbrev_table_end = hdrptr;
8920 unsigned char *const entry_pool = hdrptr;
8921 if (hdrptr > unit_end)
8922 {
8923 warn (_("Entry pool offset (0x%lx) exceeds unit size 0x%lx "
8924 "for unit 0x%lx in the debug_names\n"),
8925 (long) (hdrptr - section->start),
8926 (long) (unit_end - section->start),
8927 (long) (unit_start - section->start));
8928 return 0;
8929 }
8930
8931 size_t buckets_filled = 0;
8932 size_t bucketi;
8933 for (bucketi = 0; bucketi < bucket_count; bucketi++)
8934 {
8935 const uint32_t bucket = hash_table_buckets[bucketi];
8936
8937 if (bucket != 0)
8938 ++buckets_filled;
8939 }
d3a49aa8
AM		 8940 printf (ngettext ("Used %zu of %lu bucket.\n",
8941 "Used %zu of %lu buckets.\n",
8942 bucket_count),
8943 buckets_filled, (unsigned long) bucket_count);
61364358 8944
0a79bef4 8945 uint32_t hash_prev = 0;
61364358
JK		 8946 size_t hash_clash_count = 0;
8947 size_t longest_clash = 0;
8948 size_t this_length = 0;
8949 size_t hashi;
8950 for (hashi = 0; hashi < name_count; hashi++)
8951 {
8952 const uint32_t hash_this = hash_table_hashes[hashi];
8953
8954 if (hashi > 0)
8955 {
8956 if (hash_prev % bucket_count == hash_this % bucket_count)
8957 {
8958 ++hash_clash_count;
8959 ++this_length;
8960 longest_clash = MAX (longest_clash, this_length);
8961 }
8962 else
8963 this_length = 0;
8964 }
8965 hash_prev = hash_this;
8966 }
8967 printf (_("Out of %lu items there are %zu bucket clashes"
8968 " (longest of %zu entries).\n"),
8969 (unsigned long) name_count, hash_clash_count, longest_clash);
8970 assert (name_count == buckets_filled + hash_clash_count);
8971
8972 struct abbrev_lookup_entry
8973 {
8974 dwarf_vma abbrev_tag;
8975 unsigned char *abbrev_lookup_ptr;
8976 };
8977 struct abbrev_lookup_entry *abbrev_lookup = NULL;
8978 size_t abbrev_lookup_used = 0;
8979 size_t abbrev_lookup_allocated = 0;
8980
8981 unsigned char *abbrevptr = abbrev_table;
8982 for (;;)
8983 {
cd30bcef
AM		 8984 dwarf_vma abbrev_tag;
8985
8986 READ_ULEB (abbrev_tag, abbrevptr, abbrev_table_end);
61364358
JK		 8987 if (abbrev_tag == 0)
8988 break;
8989 if (abbrev_lookup_used == abbrev_lookup_allocated)
8990 {
8991 abbrev_lookup_allocated = MAX (0x100,
8992 abbrev_lookup_allocated * 2);
8993 abbrev_lookup = xrealloc (abbrev_lookup,
8994 (abbrev_lookup_allocated
8995 * sizeof (*abbrev_lookup)));
8996 }
8997 assert (abbrev_lookup_used < abbrev_lookup_allocated);
8998 struct abbrev_lookup_entry *entry;
8999 for (entry = abbrev_lookup;
9000 entry < abbrev_lookup + abbrev_lookup_used;
9001 entry++)
9002 if (entry->abbrev_tag == abbrev_tag)
9003 {
9004 warn (_("Duplicate abbreviation tag %lu "
9005 "in unit 0x%lx in the debug_names\n"),
9006 (long) abbrev_tag, (long) (unit_start - section->start));
9007 break;
9008 }
9009 entry = &abbrev_lookup[abbrev_lookup_used++];
9010 entry->abbrev_tag = abbrev_tag;
9011 entry->abbrev_lookup_ptr = abbrevptr;
9012
9013 /* Skip DWARF tag. */
cd30bcef 9014 SKIP_ULEB (abbrevptr, abbrev_table_end);
61364358
JK		 9015 for (;;)
9016 {
cd30bcef
AM		 9017 dwarf_vma xindex, form;
9018
9019 READ_ULEB (xindex, abbrevptr, abbrev_table_end);
9020 READ_ULEB (form, abbrevptr, abbrev_table_end);
1d827a72 9021 if (xindex == 0 && form == 0)
61364358
JK		 9022 break;
9023 }
9024 }
9025
9026 printf (_("\nSymbol table:\n"));
9027 uint32_t namei;
9028 for (namei = 0; namei < name_count; ++namei)
9029 {
9030 uint64_t string_offset, entry_offset;
9031
9032 SAFE_BYTE_GET (string_offset,
9033 name_table_string_offsets + namei * offset_size,
9034 offset_size, unit_end);
9035 SAFE_BYTE_GET (entry_offset,
9036 name_table_entry_offsets + namei * offset_size,
9037 offset_size, unit_end);
9038
9039 printf ("[%3u] #%08x %s:", namei, hash_table_hashes[namei],
9040 fetch_indirect_string (string_offset));
9041
9042 unsigned char *entryptr = entry_pool + entry_offset;
9043
9044 // We need to scan first whether there is a single or multiple
9045 // entries. TAGNO is -2 for the first entry, it is -1 for the
9046 // initial tag read of the second entry, then it becomes 0 for the
9047 // first entry for real printing etc.
9048 int tagno = -2;
9049 /* Initialize it due to a false compiler warning. */
9050 dwarf_vma second_abbrev_tag = -1;
9051 for (;;)
9052 {
cd30bcef
AM		 9053 dwarf_vma abbrev_tag;
9054 dwarf_vma dwarf_tag;
9055 const struct abbrev_lookup_entry *entry;
9056
9057 READ_ULEB (abbrev_tag, entryptr, unit_end);
61364358
JK		 9058 if (tagno == -1)
9059 {
9060 second_abbrev_tag = abbrev_tag;
9061 tagno = 0;
9062 entryptr = entry_pool + entry_offset;
9063 continue;
9064 }
9065 if (abbrev_tag == 0)
9066 break;
9067 if (tagno >= 0)
9068 printf ("%s<%lu>",
9069 (tagno == 0 && second_abbrev_tag == 0 ? " " : "\n\t"),
9070 (unsigned long) abbrev_tag);
9071
61364358
JK		 9072 for (entry = abbrev_lookup;
9073 entry < abbrev_lookup + abbrev_lookup_used;
9074 entry++)
9075 if (entry->abbrev_tag == abbrev_tag)
9076 break;
9077 if (entry >= abbrev_lookup + abbrev_lookup_used)
9078 {
9079 warn (_("Undefined abbreviation tag %lu "
9080 "in unit 0x%lx in the debug_names\n"),
9081 (long) abbrev_tag,
9082 (long) (unit_start - section->start));
9083 break;
9084 }
9085 abbrevptr = entry->abbrev_lookup_ptr;
cd30bcef 9086 READ_ULEB (dwarf_tag, abbrevptr, abbrev_table_end);
61364358
JK		 9087 if (tagno >= 0)
9088 printf (" %s", get_TAG_name (dwarf_tag));
9089 for (;;)
9090 {
cd30bcef
AM		 9091 dwarf_vma xindex, form;
9092
9093 READ_ULEB (xindex, abbrevptr, abbrev_table_end);
9094 READ_ULEB (form, abbrevptr, abbrev_table_end);
1d827a72 9095 if (xindex == 0 && form == 0)
61364358
JK		 9096 break;
9097
9098 if (tagno >= 0)
1d827a72 9099 printf (" %s", get_IDX_name (xindex));
ec1b0fbb
NC		 9100 entryptr = read_and_display_attr_value (0, form, 0,
9101 unit_start, entryptr, unit_end,
9102 0, 0, offset_size,
61364358
JK		 9103 dwarf_version, NULL,
9104 (tagno < 0), NULL,
ec1b0fbb 9105 NULL, '=', -1);
61364358
JK		 9106 }
9107 ++tagno;
9108 }
9109 if (tagno <= 0)
9110 printf (_(" <no entries>"));
9111 putchar ('\n');
9112 }
9113
9114 free (abbrev_lookup);
9115 }
9116
9117 return 1;
9118}
9119
dda8d76d 9120static int
d85bf2ba
NC		 9121display_debug_links (struct dwarf_section * section,
9122 void * file ATTRIBUTE_UNUSED)
dda8d76d
NC		 9123{
9124 const unsigned char * filename;
9125 unsigned int filelen;
9126
9127 introduce (section, FALSE);
9128
9129 /* The .gnu_debuglink section is formatted as:
9130 (c-string) Filename.
9131 (padding) If needed to reach a 4 byte boundary.
9132 (uint32_t) CRC32 value.
9133
9134 The .gun_debugaltlink section is formatted as:
9135 (c-string) Filename.
9136 (binary) Build-ID. */
9137
9138 filename = section->start;
9139 filelen = strnlen ((const char *) filename, section->size);
9140 if (filelen == section->size)
9141 {
9142 warn (_("The debuglink filename is corrupt/missing\n"));
9143 return 0;
9144 }
9145
9146 printf (_(" Separate debug info file: %s\n"), filename);
9147
9148 if (const_strneq (section->name, ".gnu_debuglink"))
9149 {
9150 unsigned int crc32;
9151 unsigned int crc_offset;
9152
9153 crc_offset = filelen + 1;
9154 crc_offset = (crc_offset + 3) & ~3;
9155 if (crc_offset + 4 > section->size)
9156 {
9157 warn (_("CRC offset missing/truncated\n"));
9158 return 0;
9159 }
9160
9161 crc32 = byte_get (filename + crc_offset, 4);
9162
9163 printf (_(" CRC value: %#x\n"), crc32);
9164
9165 if (crc_offset + 4 < section->size)
9166 {
9167 warn (_("There are %#lx extraneous bytes at the end of the section\n"),
9168 (long)(section->size - (crc_offset + 4)));
9169 return 0;
9170 }
9171 }
9172 else /* const_strneq (section->name, ".gnu_debugaltlink") */
9173 {
9174 const unsigned char * build_id = section->start + filelen + 1;
9175 bfd_size_type build_id_len = section->size - (filelen + 1);
9176 bfd_size_type printed;
9177
9178 /* FIXME: Should we support smaller build-id notes ? */
9179 if (build_id_len < 0x14)
9180 {
9181 warn (_("Build-ID is too short (%#lx bytes)\n"), (long) build_id_len);
9182 return 0;
9183 }
9184
9185 printed = printf (_(" Build-ID (%#lx bytes):"), (long) build_id_len);
d85bf2ba 9186 display_data (printed, build_id, build_id_len);
dda8d76d
NC		 9187 putchar ('\n');
9188 }
9189
9190 putchar ('\n');
9191 return 1;
9192}
9193
5bbdf3d5
DE		 9194static int
9195display_gdb_index (struct dwarf_section *section,
9196 void *file ATTRIBUTE_UNUSED)
9197{
9198 unsigned char *start = section->start;
9199 uint32_t version;
9200 uint32_t cu_list_offset, tu_list_offset;
9201 uint32_t address_table_offset, symbol_table_offset, constant_pool_offset;
9202 unsigned int cu_list_elements, tu_list_elements;
9203 unsigned int address_table_size, symbol_table_slots;
9204 unsigned char *cu_list, *tu_list;
9205 unsigned char *address_table, *symbol_table, *constant_pool;
9206 unsigned int i;
9207
9208 /* The documentation for the format of this file is in gdb/dwarf2read.c. */
9209
dda8d76d 9210 introduce (section, FALSE);
5bbdf3d5
DE		 9211
9212 if (section->size < 6 * sizeof (uint32_t))
9213 {
9214 warn (_("Truncated header in the %s section.\n"), section->name);
9215 return 0;
9216 }
9217
9218 version = byte_get_little_endian (start, 4);
da88a764 9219 printf (_("Version %ld\n"), (long) version);
5bbdf3d5
DE		 9220
9221 /* Prior versions are obsolete, and future versions may not be
9222 backwards compatible. */
aa170720 9223 if (version < 3 || version > 8)
5bbdf3d5 9224 {
da88a764 9225 warn (_("Unsupported version %lu.\n"), (unsigned long) version);
5bbdf3d5
DE		 9226 return 0;
9227 }
8d6eee87
TT		 9228 if (version < 4)
9229 warn (_("The address table data in version 3 may be wrong.\n"));
9230 if (version < 5)
9231 warn (_("Version 4 does not support case insensitive lookups.\n"));
9232 if (version < 6)
9233 warn (_("Version 5 does not include inlined functions.\n"));
9234 if (version < 7)
9235 warn (_("Version 6 does not include symbol attributes.\n"));
aa170720
DE		 9236 /* Version 7 indices generated by Gold have bad type unit references,
9237 PR binutils/15021. But we don't know if the index was generated by
9238 Gold or not, so to avoid worrying users with gdb-generated indices
9239 we say nothing for version 7 here. */
5bbdf3d5
DE		 9240
9241 cu_list_offset = byte_get_little_endian (start + 4, 4);
9242 tu_list_offset = byte_get_little_endian (start + 8, 4);
9243 address_table_offset = byte_get_little_endian (start + 12, 4);
9244 symbol_table_offset = byte_get_little_endian (start + 16, 4);
9245 constant_pool_offset = byte_get_little_endian (start + 20, 4);
9246
9247 if (cu_list_offset > section->size
9248 || tu_list_offset > section->size
9249 || address_table_offset > section->size
9250 || symbol_table_offset > section->size
9251 || constant_pool_offset > section->size)
9252 {
9253 warn (_("Corrupt header in the %s section.\n"), section->name);
9254 return 0;
9255 }
9256
53774b7e
NC		 9257 /* PR 17531: file: 418d0a8a. */
9258 if (tu_list_offset < cu_list_offset)
9259 {
9260 warn (_("TU offset (%x) is less than CU offset (%x)\n"),
9261 tu_list_offset, cu_list_offset);
9262 return 0;
9263 }
9264
5bbdf3d5 9265 cu_list_elements = (tu_list_offset - cu_list_offset) / 8;
53774b7e
NC		 9266
9267 if (address_table_offset < tu_list_offset)
9268 {
9269 warn (_("Address table offset (%x) is less than TU offset (%x)\n"),
9270 address_table_offset, tu_list_offset);
9271 return 0;
9272 }
9273
5bbdf3d5 9274 tu_list_elements = (address_table_offset - tu_list_offset) / 8;
53774b7e
NC		 9275
9276 /* PR 17531: file: 18a47d3d. */
9277 if (symbol_table_offset < address_table_offset)
9278 {
13bace4a 9279 warn (_("Symbol table offset (%x) is less then Address table offset (%x)\n"),
53774b7e
NC		 9280 symbol_table_offset, address_table_offset);
9281 return 0;
9282 }
9283
5bbdf3d5 9284 address_table_size = symbol_table_offset - address_table_offset;
53774b7e
NC		 9285
9286 if (constant_pool_offset < symbol_table_offset)
9287 {
9288 warn (_("Constant pool offset (%x) is less than symbol table offset (%x)\n"),
9289 constant_pool_offset, symbol_table_offset);
9290 return 0;
9291 }
9292
5bbdf3d5
DE		 9293 symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8;
9294
9295 cu_list = start + cu_list_offset;
9296 tu_list = start + tu_list_offset;
9297 address_table = start + address_table_offset;
9298 symbol_table = start + symbol_table_offset;
9299 constant_pool = start + constant_pool_offset;
9300
28d909e5 9301 if (address_table + address_table_size > section->start + section->size)
acff9664 9302 {
1306a742 9303 warn (_("Address table extends beyond end of section.\n"));
acff9664
NC		 9304 return 0;
9305 }
b4eb7656 9306
5bbdf3d5
DE		 9307 printf (_("\nCU table:\n"));
9308 for (i = 0; i < cu_list_elements; i += 2)
9309 {
9310 uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8);
9311 uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8);
9312
9313 printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2,
9314 (unsigned long) cu_offset,
9315 (unsigned long) (cu_offset + cu_length - 1));
9316 }
9317
9318 printf (_("\nTU table:\n"));
9319 for (i = 0; i < tu_list_elements; i += 3)
9320 {
9321 uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8);
9322 uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8);
9323 uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8);
9324
9325 printf (_("[%3u] 0x%lx 0x%lx "), i / 3,
9326 (unsigned long) tu_offset,
9327 (unsigned long) type_offset);
9328 print_dwarf_vma (signature, 8);
9329 printf ("\n");
9330 }
9331
9332 printf (_("\nAddress table:\n"));
acff9664
NC		 9333 for (i = 0; i < address_table_size && i <= address_table_size - (2 * 8 + 4);
9334 i += 2 * 8 + 4)
5bbdf3d5
DE		 9335 {
9336 uint64_t low = byte_get_little_endian (address_table + i, 8);
9337 uint64_t high = byte_get_little_endian (address_table + i + 8, 8);
9338 uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4);
9339
9340 print_dwarf_vma (low, 8);
9341 print_dwarf_vma (high, 8);
da88a764 9342 printf (_("%lu\n"), (unsigned long) cu_index);
5bbdf3d5
DE		 9343 }
9344
9345 printf (_("\nSymbol table:\n"));
9346 for (i = 0; i < symbol_table_slots; ++i)
9347 {
9348 uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4);
9349 uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4);
9350 uint32_t num_cus, cu;
9351
9352 if (name_offset != 0
9353 || cu_vector_offset != 0)
9354 {
9355 unsigned int j;
362beea4 9356 unsigned char * adr;
5bbdf3d5 9357
362beea4 9358 adr = constant_pool + name_offset;
53774b7e 9359 /* PR 17531: file: 5b7b07ad. */
362beea4 9360 if (adr < constant_pool || adr >= section->start + section->size)
53774b7e
NC		 9361 {
9362 printf (_("[%3u] <corrupt offset: %x>"), i, name_offset);
9363 warn (_("Corrupt name offset of 0x%x found for symbol table slot %d\n"),
9364 name_offset, i);
9365 }
9366 else
acff9664
NC		 9367 printf ("[%3u] %.*s:", i,
9368 (int) (section->size - (constant_pool_offset + name_offset)),
9369 constant_pool + name_offset);
53774b7e 9370
362beea4
NC		 9371 adr = constant_pool + cu_vector_offset;
9372 if (adr < constant_pool || adr >= section->start + section->size - 3)
53774b7e
NC		 9373 {
9374 printf (_("<invalid CU vector offset: %x>\n"), cu_vector_offset);
9375 warn (_("Corrupt CU vector offset of 0x%x found for symbol table slot %d\n"),
9376 cu_vector_offset, i);
9377 continue;
9378 }
57028622 9379
362beea4 9380 num_cus = byte_get_little_endian (adr, 4);
53774b7e 9381
362beea4 9382 adr = constant_pool + cu_vector_offset + 4 + num_cus * 4;
acff9664 9383 if (num_cus * 4 < num_cus
362beea4
NC		 9384 || adr >= section->start + section->size
9385 || adr < constant_pool)
53774b7e
NC		 9386 {
9387 printf ("<invalid number of CUs: %d>\n", num_cus);
acff9664 9388 warn (_("Invalid number of CUs (0x%x) for symbol table slot %d\n"),
53774b7e
NC		 9389 num_cus, i);
9390 continue;
9391 }
9392
8d6eee87
TT		 9393 if (num_cus > 1)
9394 printf ("\n");
f3853b34 9395
5bbdf3d5
DE		 9396 for (j = 0; j < num_cus; ++j)
9397 {
7c1cef97 9398 int is_static;
8d6eee87
TT		 9399 gdb_index_symbol_kind kind;
9400
5bbdf3d5 9401 cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4);
7c1cef97 9402 is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu);
8d6eee87
TT		 9403 kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu);
9404 cu = GDB_INDEX_CU_VALUE (cu);
5bbdf3d5 9405 /* Convert to TU number if it's for a type unit. */
ad6b52dd 9406 if (cu >= cu_list_elements / 2)
8d6eee87
TT		 9407 printf ("%cT%lu", num_cus > 1 ? '\t' : ' ',
9408 (unsigned long) (cu - cu_list_elements / 2));
5bbdf3d5 9409 else
8d6eee87
TT		 9410 printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu);
9411
459d52c8
DE		 9412 printf (" [%s, %s]",
9413 is_static ? _("static") : _("global"),
9414 get_gdb_index_symbol_kind_name (kind));
8d6eee87
TT		 9415 if (num_cus > 1)
9416 printf ("\n");
5bbdf3d5 9417 }
8d6eee87
TT		 9418 if (num_cus <= 1)
9419 printf ("\n");
5bbdf3d5
DE		 9420 }
9421 }
9422
9423 return 1;
9424}
9425
657d0d47
CC		 9426/* Pre-allocate enough space for the CU/TU sets needed. */
9427
9428static void
9429prealloc_cu_tu_list (unsigned int nshndx)
9430{
9431 if (shndx_pool == NULL)
9432 {
9433 shndx_pool_size = nshndx;
9434 shndx_pool_used = 0;
9435 shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size,
9436 sizeof (unsigned int));
9437 }
9438 else
9439 {
9440 shndx_pool_size = shndx_pool_used + nshndx;
9441 shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size,
9442 sizeof (unsigned int));
9443 }
9444}
9445
9446static void
9447add_shndx_to_cu_tu_entry (unsigned int shndx)
9448{
9449 if (shndx_pool_used >= shndx_pool_size)
9450 {
9451 error (_("Internal error: out of space in the shndx pool.\n"));
9452 return;
9453 }
9454 shndx_pool [shndx_pool_used++] = shndx;
9455}
9456
9457static void
9458end_cu_tu_entry (void)
9459{
9460 if (shndx_pool_used >= shndx_pool_size)
9461 {
9462 error (_("Internal error: out of space in the shndx pool.\n"));
9463 return;
9464 }
9465 shndx_pool [shndx_pool_used++] = 0;
9466}
9467
341f9135
CC		 9468/* Return the short name of a DWARF section given by a DW_SECT enumerator. */
9469
9470static const char *
9471get_DW_SECT_short_name (unsigned int dw_sect)
9472{
9473 static char buf[16];
9474
9475 switch (dw_sect)
9476 {
9477 case DW_SECT_INFO:
9478 return "info";
9479 case DW_SECT_TYPES:
9480 return "types";
9481 case DW_SECT_ABBREV:
9482 return "abbrev";
9483 case DW_SECT_LINE:
9484 return "line";
9485 case DW_SECT_LOC:
9486 return "loc";
9487 case DW_SECT_STR_OFFSETS:
9488 return "str_off";
9489 case DW_SECT_MACINFO:
9490 return "macinfo";
9491 case DW_SECT_MACRO:
9492 return "macro";
9493 default:
b4eb7656 9494 break;
341f9135
CC		 9495 }
9496
9497 snprintf (buf, sizeof (buf), "%d", dw_sect);
9498 return buf;
9499}
9500
9501/* Process a CU or TU index. If DO_DISPLAY is true, print the contents.
9502 These sections are extensions for Fission.
9503 See http://gcc.gnu.org/wiki/DebugFissionDWP. */
657d0d47
CC		 9504
9505static int
9506process_cu_tu_index (struct dwarf_section *section, int do_display)
9507{
9508 unsigned char *phdr = section->start;
9509 unsigned char *limit = phdr + section->size;
9510 unsigned char *phash;
9511 unsigned char *pindex;
9512 unsigned char *ppool;
9513 unsigned int version;
341f9135 9514 unsigned int ncols = 0;
657d0d47
CC		 9515 unsigned int nused;
9516 unsigned int nslots;
9517 unsigned int i;
341f9135
CC		 9518 unsigned int j;
9519 dwarf_vma signature_high;
9520 dwarf_vma signature_low;
9521 char buf[64];
657d0d47 9522
6937bb54
NC		 9523 /* PR 17512: file: 002-168123-0.004. */
9524 if (phdr == NULL)
9525 {
9526 warn (_("Section %s is empty\n"), section->name);
9527 return 0;
9528 }
9529 /* PR 17512: file: 002-376-0.004. */
9530 if (section->size < 24)
9531 {
72c61a0d 9532 warn (_("Section %s is too small to contain a CU/TU header\n"),
6937bb54
NC		 9533 section->name);
9534 return 0;
9535 }
9536
9537 SAFE_BYTE_GET (version, phdr, 4, limit);
341f9135 9538 if (version >= 2)
6937bb54
NC		 9539 SAFE_BYTE_GET (ncols, phdr + 4, 4, limit);
9540 SAFE_BYTE_GET (nused, phdr + 8, 4, limit);
9541 SAFE_BYTE_GET (nslots, phdr + 12, 4, limit);
9542
657d0d47 9543 phash = phdr + 16;
8e2e3c6c
AM		 9544 pindex = phash + (size_t) nslots * 8;
9545 ppool = pindex + (size_t) nslots * 4;
57028622 9546
657d0d47
CC		 9547 if (do_display)
9548 {
dda8d76d
NC		 9549 introduce (section, FALSE);
9550
8e2e3c6c 9551 printf (_(" Version: %u\n"), version);
341f9135 9552 if (version >= 2)
8e2e3c6c
AM		 9553 printf (_(" Number of columns: %u\n"), ncols);
9554 printf (_(" Number of used entries: %u\n"), nused);
9555 printf (_(" Number of slots: %u\n\n"), nslots);
657d0d47
CC		 9556 }
9557
8e2e3c6c
AM		 9558 /* PR 17531: file: 45d69832. */
9559 if ((size_t) nslots * 8 / 8 != nslots
9560 || phash < phdr || phash > limit
9561 || pindex < phash || pindex > limit
9562 || ppool < pindex || ppool > limit)
657d0d47 9563 {
8e2e3c6c
AM		 9564 warn (ngettext ("Section %s is too small for %u slot\n",
9565 "Section %s is too small for %u slots\n",
9566 nslots),
657d0d47
CC		 9567 section->name, nslots);
9568 return 0;
9569 }
9570
341f9135 9571 if (version == 1)
657d0d47 9572 {
341f9135
CC		 9573 if (!do_display)
9574 prealloc_cu_tu_list ((limit - ppool) / 4);
9575 for (i = 0; i < nslots; i++)
657d0d47 9576 {
341f9135
CC		 9577 unsigned char *shndx_list;
9578 unsigned int shndx;
9579
6937bb54 9580 SAFE_BYTE_GET64 (phash, &signature_high, &signature_low, limit);
341f9135 9581 if (signature_high != 0 || signature_low != 0)
657d0d47 9582 {
6937bb54 9583 SAFE_BYTE_GET (j, pindex, 4, limit);
341f9135 9584 shndx_list = ppool + j * 4;
f3853b34
NC		 9585 /* PR 17531: file: 705e010d. */
9586 if (shndx_list < ppool)
9587 {
9588 warn (_("Section index pool located before start of section\n"));
9589 return 0;
9590 }
9591
341f9135
CC		 9592 if (do_display)
9593 printf (_(" [%3d] Signature: 0x%s Sections: "),
9594 i, dwarf_vmatoa64 (signature_high, signature_low,
9595 buf, sizeof (buf)));
9596 for (;;)
657d0d47 9597 {
341f9135
CC		 9598 if (shndx_list >= limit)
9599 {
9600 warn (_("Section %s too small for shndx pool\n"),
9601 section->name);
9602 return 0;
9603 }
6937bb54 9604 SAFE_BYTE_GET (shndx, shndx_list, 4, limit);
341f9135
CC		 9605 if (shndx == 0)
9606 break;
9607 if (do_display)
9608 printf (" %d", shndx);
9609 else
9610 add_shndx_to_cu_tu_entry (shndx);
9611 shndx_list += 4;
657d0d47 9612 }
657d0d47 9613 if (do_display)
341f9135 9614 printf ("\n");
657d0d47 9615 else
341f9135
CC		 9616 end_cu_tu_entry ();
9617 }
9618 phash += 8;
9619 pindex += 4;
9620 }
9621 }
9622 else if (version == 2)
9623 {
9624 unsigned int val;
9625 unsigned int dw_sect;
9626 unsigned char *ph = phash;
9627 unsigned char *pi = pindex;
8e2e3c6c
AM		 9628 unsigned char *poffsets = ppool + (size_t) ncols * 4;
9629 unsigned char *psizes = poffsets + (size_t) nused * ncols * 4;
9630 unsigned char *pend = psizes + (size_t) nused * ncols * 4;
341f9135
CC		 9631 bfd_boolean is_tu_index;
9632 struct cu_tu_set *this_set = NULL;
9633 unsigned int row;
9634 unsigned char *prow;
9635
9636 is_tu_index = strcmp (section->name, ".debug_tu_index") == 0;
9637
362beea4 9638 /* PR 17531: file: 0dd159bf.
8e2e3c6c
AM		 9639 Check for integer overflow (can occur when size_t is 32-bit)
9640 with overlarge ncols or nused values. */
4ac948a0
NC		 9641 if (ncols > 0
9642 && ((size_t) ncols * 4 / 4 != ncols
9643 || (size_t) nused * ncols * 4 / ((size_t) ncols * 4) != nused
9644 || poffsets < ppool || poffsets > limit
9645 || psizes < poffsets || psizes > limit
9646 || pend < psizes || pend > limit))
341f9135
CC		 9647 {
9648 warn (_("Section %s too small for offset and size tables\n"),
9649 section->name);
9650 return 0;
9651 }
9652
9653 if (do_display)
9654 {
9655 printf (_(" Offset table\n"));
9656 printf (" slot %-16s ",
9657 is_tu_index ? _("signature") : _("dwo_id"));
9658 }
9659 else
9660 {
9661 if (is_tu_index)
9662 {
9663 tu_count = nused;
72c61a0d 9664 tu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set));
341f9135 9665 this_set = tu_sets;
657d0d47 9666 }
657d0d47 9667 else
341f9135
CC		 9668 {
9669 cu_count = nused;
72c61a0d 9670 cu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set));
341f9135
CC		 9671 this_set = cu_sets;
9672 }
9673 }
6937bb54 9674
341f9135
CC		 9675 if (do_display)
9676 {
9677 for (j = 0; j < ncols; j++)
9678 {
6937bb54 9679 SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
341f9135
CC		 9680 printf (" %8s", get_DW_SECT_short_name (dw_sect));
9681 }
9682 printf ("\n");
9683 }
6937bb54 9684
341f9135
CC		 9685 for (i = 0; i < nslots; i++)
9686 {
6937bb54
NC		 9687 SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit);
9688
9689 SAFE_BYTE_GET (row, pi, 4, limit);
341f9135
CC		 9690 if (row != 0)
9691 {
591f7597 9692 /* PR 17531: file: a05f6ab3. */
ef77750e 9693 if (row > nused)
591f7597
NC		 9694 {
9695 warn (_("Row index (%u) is larger than number of used entries (%u)\n"),
9696 row, nused);
9697 return 0;
9698 }
9699
341f9135 9700 if (!do_display)
6aea08d9
NC		 9701 {
9702 size_t num_copy = sizeof (uint64_t);
9703
9704 /* PR 23064: Beware of buffer overflow. */
9705 if (ph + num_copy < limit)
9706 memcpy (&this_set[row - 1].signature, ph, num_copy);
9707 else
9708 {
9709 warn (_("Signature (%p) extends beyond end of space in section\n"), ph);
9710 return 0;
9711 }
9712 }
6937bb54 9713
341f9135 9714 prow = poffsets + (row - 1) * ncols * 4;
ffc0f143
NC		 9715 /* PR 17531: file: b8ce60a8. */
9716 if (prow < poffsets || prow > limit)
9717 {
9718 warn (_("Row index (%u) * num columns (%u) > space remaining in section\n"),
9719 row, ncols);
9720 return 0;
9721 }
3aade688 9722
341f9135
CC		 9723 if (do_display)
9724 printf (_(" [%3d] 0x%s"),
9725 i, dwarf_vmatoa64 (signature_high, signature_low,
9726 buf, sizeof (buf)));
9727 for (j = 0; j < ncols; j++)
9728 {
6937bb54 9729 SAFE_BYTE_GET (val, prow + j * 4, 4, limit);
341f9135
CC		 9730 if (do_display)
9731 printf (" %8d", val);
9732 else
9733 {
6937bb54 9734 SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
82b1b41b
NC		 9735
9736 /* PR 17531: file: 10796eb3. */
9737 if (dw_sect >= DW_SECT_MAX)
9738 warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect);
9739 else
9740 this_set [row - 1].section_offsets [dw_sect] = val;
341f9135
CC		 9741 }
9742 }
6937bb54 9743
341f9135
CC		 9744 if (do_display)
9745 printf ("\n");
9746 }
9747 ph += 8;
9748 pi += 4;
9749 }
9750
9751 ph = phash;
9752 pi = pindex;
9753 if (do_display)
b4eb7656 9754 {
341f9135
CC		 9755 printf ("\n");
9756 printf (_(" Size table\n"));
9757 printf (" slot %-16s ",
9758 is_tu_index ? _("signature") : _("dwo_id"));
b4eb7656 9759 }
6937bb54 9760
341f9135
CC		 9761 for (j = 0; j < ncols; j++)
9762 {
6937bb54 9763 SAFE_BYTE_GET (val, ppool + j * 4, 4, limit);
341f9135
CC		 9764 if (do_display)
9765 printf (" %8s", get_DW_SECT_short_name (val));
9766 }
6937bb54 9767
341f9135
CC		 9768 if (do_display)
9769 printf ("\n");
6937bb54 9770
341f9135
CC		 9771 for (i = 0; i < nslots; i++)
9772 {
6937bb54
NC		 9773 SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit);
9774
9775 SAFE_BYTE_GET (row, pi, 4, limit);
341f9135
CC		 9776 if (row != 0)
9777 {
9778 prow = psizes + (row - 1) * ncols * 4;
6937bb54 9779
341f9135
CC		 9780 if (do_display)
9781 printf (_(" [%3d] 0x%s"),
9782 i, dwarf_vmatoa64 (signature_high, signature_low,
9783 buf, sizeof (buf)));
6937bb54 9784
341f9135
CC		 9785 for (j = 0; j < ncols; j++)
9786 {
6937bb54 9787 SAFE_BYTE_GET (val, prow + j * 4, 4, limit);
341f9135
CC		 9788 if (do_display)
9789 printf (" %8d", val);
9790 else
9791 {
6937bb54 9792 SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
82b1b41b
NC		 9793 if (dw_sect >= DW_SECT_MAX)
9794 warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect);
9795 else
341f9135
CC		 9796 this_set [row - 1].section_sizes [dw_sect] = val;
9797 }
9798 }
6937bb54 9799
341f9135
CC		 9800 if (do_display)
9801 printf ("\n");
9802 }
6937bb54 9803
341f9135
CC		 9804 ph += 8;
9805 pi += 4;
657d0d47 9806 }
657d0d47 9807 }
341f9135 9808 else if (do_display)
6937bb54 9809 printf (_(" Unsupported version (%d)\n"), version);
657d0d47
CC		 9810
9811 if (do_display)
9812 printf ("\n");
9813
9814 return 1;
9815}
9816
9817/* Load the CU and TU indexes if present. This will build a list of
9818 section sets that we can use to associate a .debug_info.dwo section
9819 with its associated .debug_abbrev.dwo section in a .dwp file. */
9820
43a444f9 9821static bfd_boolean
657d0d47
CC		 9822load_cu_tu_indexes (void *file)
9823{
43a444f9
NC		 9824 static int cu_tu_indexes_read = -1; /* Tri-state variable. */
9825
657d0d47
CC		 9826 /* If we have already loaded (or tried to load) the CU and TU indexes
9827 then do not bother to repeat the task. */
43a444f9
NC		 9828 if (cu_tu_indexes_read == -1)
9829 {
9830 cu_tu_indexes_read = TRUE;
9831
dda8d76d 9832 if (load_debug_section_with_follow (dwp_cu_index, file))
43a444f9
NC		 9833 if (! process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0))
9834 cu_tu_indexes_read = FALSE;
9835
dda8d76d 9836 if (load_debug_section_with_follow (dwp_tu_index, file))
43a444f9
NC		 9837 if (! process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0))
9838 cu_tu_indexes_read = FALSE;
9839 }
657d0d47 9840
43a444f9 9841 return (bfd_boolean) cu_tu_indexes_read;
657d0d47
CC		 9842}
9843
9844/* Find the set of sections that includes section SHNDX. */
9845
9846unsigned int *
9847find_cu_tu_set (void *file, unsigned int shndx)
9848{
9849 unsigned int i;
9850
43a444f9
NC		 9851 if (! load_cu_tu_indexes (file))
9852 return NULL;
657d0d47
CC		 9853
9854 /* Find SHNDX in the shndx pool. */
9855 for (i = 0; i < shndx_pool_used; i++)
9856 if (shndx_pool [i] == shndx)
9857 break;
9858
9859 if (i >= shndx_pool_used)
9860 return NULL;
9861
9862 /* Now backup to find the first entry in the set. */
9863 while (i > 0 && shndx_pool [i - 1] != 0)
9864 i--;
9865
9866 return shndx_pool + i;
9867}
9868
9869/* Display a .debug_cu_index or .debug_tu_index section. */
9870
9871static int
9872display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED)
9873{
9874 return process_cu_tu_index (section, 1);
9875}
9876
19e6b90e
L		 9877static int
9878display_debug_not_supported (struct dwarf_section *section,
9879 void *file ATTRIBUTE_UNUSED)
9880{
9881 printf (_("Displaying the debug contents of section %s is not yet supported.\n"),
9882 section->name);
9883
9884 return 1;
9885}
9886
1306a742
NC		 9887/* Like malloc, but takes two parameters like calloc.
9888 Verifies that the first parameter is not too large.
82b1b41b 9889 Note: does *not* initialise the allocated memory to zero. */
dda8d76d 9890
19e6b90e
L		 9891void *
9892cmalloc (size_t nmemb, size_t size)
9893{
9894 /* Check for overflow. */
9895 if (nmemb >= ~(size_t) 0 / size)
9896 return NULL;
82b1b41b
NC		 9897
9898 return xmalloc (nmemb * size);
19e6b90e
L		 9899}
9900
1306a742
NC		 9901/* Like xmalloc, but takes two parameters like calloc.
9902 Verifies that the first parameter is not too large.
9903 Note: does *not* initialise the allocated memory to zero. */
dda8d76d 9904
72c61a0d 9905void *
1306a742 9906xcmalloc (size_t nmemb, size_t size)
72c61a0d
NC		 9907{
9908 /* Check for overflow. */
9909 if (nmemb >= ~(size_t) 0 / size)
8490fb40
NC		 9910 {
9911 fprintf (stderr,
9912 _("Attempt to allocate an array with an excessive number of elements: 0x%lx\n"),
9913 (long) nmemb);
9914 xexit (1);
9915 }
72c61a0d 9916
1306a742 9917 return xmalloc (nmemb * size);
72c61a0d
NC		 9918}
9919
1306a742
NC		 9920/* Like xrealloc, but takes three parameters.
9921 Verifies that the second parameter is not too large.
9922 Note: does *not* initialise any new memory to zero. */
dda8d76d 9923
19e6b90e 9924void *
1306a742 9925xcrealloc (void *ptr, size_t nmemb, size_t size)
19e6b90e
L		 9926{
9927 /* Check for overflow. */
9928 if (nmemb >= ~(size_t) 0 / size)
8490fb40 9929 {
dda8d76d
NC		 9930 error (_("Attempt to re-allocate an array with an excessive number of elements: 0x%lx\n"),
9931 (long) nmemb);
8490fb40
NC		 9932 xexit (1);
9933 }
82b1b41b 9934
1306a742 9935 return xrealloc (ptr, nmemb * size);
19e6b90e
L		 9936}
9937
1306a742 9938/* Like xcalloc, but verifies that the first parameter is not too large. */
dda8d76d 9939
19e6b90e 9940void *
1306a742 9941xcalloc2 (size_t nmemb, size_t size)
19e6b90e
L		 9942{
9943 /* Check for overflow. */
9944 if (nmemb >= ~(size_t) 0 / size)
8490fb40 9945 {
dda8d76d
NC		 9946 error (_("Attempt to allocate a zero'ed array with an excessive number of elements: 0x%lx\n"),
9947 (long) nmemb);
8490fb40
NC		 9948 xexit (1);
9949 }
82b1b41b 9950
1306a742 9951 return xcalloc (nmemb, size);
19e6b90e
L		 9952}
9953
dda8d76d
NC		 9954static unsigned long
9955calc_gnu_debuglink_crc32 (unsigned long crc,
9956 const unsigned char * buf,
9957 bfd_size_type len)
9958{
9959 static const unsigned long crc32_table[256] =
9960 {
9961 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
9962 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4,
9963 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07,
9964 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
9965 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856,
9966 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
9967 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4,
9968 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
9969 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
9970 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a,
9971 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599,
9972 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
9973 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190,
9974 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f,
9975 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e,
9976 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
9977 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed,
9978 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
9979 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3,
9980 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
9981 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a,
9982 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5,
9983 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010,
9984 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
9985 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17,
9986 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6,
9987 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
9988 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
9989 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344,
9990 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
9991 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a,
9992 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
9993 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1,
9994 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c,
9995 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef,
9996 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
9997 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe,
9998 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31,
9999 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c,
10000 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
10001 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b,
10002 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
10003 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1,
10004 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
10005 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
10006 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7,
10007 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66,
10008 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
10009 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605,
10010 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
10011 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b,
10012 0x2d02ef8d
10013 };
10014 const unsigned char *end;
10015
10016 crc = ~crc & 0xffffffff;
10017 for (end = buf + len; buf < end; ++ buf)
10018 crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8);
10019 return ~crc & 0xffffffff;
10020}
10021
10022typedef bfd_boolean (* check_func_type) (const char *, void *);
10023typedef const char * (* parse_func_type) (struct dwarf_section *, void *);
10024
10025static bfd_boolean
10026check_gnu_debuglink (const char * pathname, void * crc_pointer)
10027{
10028 static unsigned char buffer [8 * 1024];
10029 FILE * f;
10030 bfd_size_type count;
10031 unsigned long crc = 0;
10032 void * sep_data;
10033
10034 sep_data = open_debug_file (pathname);
10035 if (sep_data == NULL)
10036 return FALSE;
10037
10038 /* Yes - we are opening the file twice... */
10039 f = fopen (pathname, "rb");
10040 if (f == NULL)
10041 {
10042 /* Paranoia: This should never happen. */
10043 close_debug_file (sep_data);
10044 warn (_("Unable to reopen separate debug info file: %s\n"), pathname);
10045 return FALSE;
10046 }
10047
10048 while ((count = fread (buffer, 1, sizeof (buffer), f)) > 0)
10049 crc = calc_gnu_debuglink_crc32 (crc, buffer, count);
10050
10051 fclose (f);
10052
10053 if (crc != * (unsigned long *) crc_pointer)
10054 {
10055 close_debug_file (sep_data);
10056 warn (_("Separate debug info file %s found, but CRC does not match - ignoring\n"),
10057 pathname);
10058 return FALSE;
10059 }
10060
10061 return TRUE;
10062}
10063
10064static const char *
10065parse_gnu_debuglink (struct dwarf_section * section, void * data)
10066{
10067 const char * name;
10068 unsigned int crc_offset;
10069 unsigned long * crc32 = (unsigned long *) data;
10070
10071 /* The name is first.
10072 The CRC value is stored after the filename, aligned up to 4 bytes. */
10073 name = (const char *) section->start;
10074
39f0547e 10075
dda8d76d
NC		 10076 crc_offset = strnlen (name, section->size) + 1;
10077 crc_offset = (crc_offset + 3) & ~3;
10078 if (crc_offset + 4 > section->size)
10079 return NULL;
10080
10081 * crc32 = byte_get (section->start + crc_offset, 4);
10082 return name;
10083}
10084
10085static bfd_boolean
10086check_gnu_debugaltlink (const char * filename, void * data ATTRIBUTE_UNUSED)
10087{
10088 void * sep_data = open_debug_file (filename);
10089
10090 if (sep_data == NULL)
10091 return FALSE;
10092
10093 /* FIXME: We should now extract the build-id in the separate file
10094 and check it... */
10095
10096 return TRUE;
10097}
10098
10099typedef struct build_id_data
10100{
10101 bfd_size_type len;
10102 const unsigned char * data;
10103} Build_id_data;
10104
10105static const char *
10106parse_gnu_debugaltlink (struct dwarf_section * section, void * data)
10107{
10108 const char * name;
10109 bfd_size_type namelen;
10110 bfd_size_type id_len;
10111 Build_id_data * build_id_data;
10112
10113 /* The name is first.
10114 The build-id follows immediately, with no padding, up to the section's end. */
10115
10116 name = (const char *) section->start;
10117 namelen = strnlen (name, section->size) + 1;
10118 if (namelen >= section->size)
10119 return NULL;
10120
10121 id_len = section->size - namelen;
10122 if (id_len < 0x14)
10123 return NULL;
10124
10125 build_id_data = calloc (1, sizeof * build_id_data);
10126 if (build_id_data == NULL)
10127 return NULL;
10128
10129 build_id_data->len = id_len;
10130 build_id_data->data = section->start + namelen;
10131
10132 * (Build_id_data **) data = build_id_data;
10133
10134 return name;
10135}
10136
24841daa
NC		 10137static void
10138add_separate_debug_file (const char * filename, void * handle)
10139{
10140 separate_info * i = xmalloc (sizeof * i);
10141
10142 i->filename = filename;
10143 i->handle = handle;
10144 i->next = first_separate_info;
10145 first_separate_info = i;
10146}
10147
301a9420
AM		 10148#if HAVE_LIBDEBUGINFOD
10149/* Query debuginfod servers for the target debuglink or debugaltlink
10150 file. If successful, store the path of the file in filename and
10151 return TRUE, otherwise return FALSE. */
10152
10153static bfd_boolean
10154debuginfod_fetch_separate_debug_info (struct dwarf_section * section,
10155 char ** filename,
10156 void * file)
10157{
10158 size_t build_id_len;
10159 unsigned char * build_id;
10160
10161 if (strcmp (section->uncompressed_name, ".gnu_debuglink") == 0)
10162 {
10163 /* Get the build-id of file. */
10164 build_id = get_build_id (file);
10165 build_id_len = 0;
10166 }
10167 else if (strcmp (section->uncompressed_name, ".gnu_debugaltlink") == 0)
10168 {
10169 /* Get the build-id of the debugaltlink file. */
10170 unsigned int filelen;
10171
10172 filelen = strnlen ((const char *)section->start, section->size);
10173 if (filelen == section->size)
10174 /* Corrupt debugaltlink. */
10175 return FALSE;
10176
10177 build_id = section->start + filelen + 1;
10178 build_id_len = section->size - (filelen + 1);
10179
10180 if (build_id_len == 0)
10181 return FALSE;
10182 }
10183 else
10184 return FALSE;
10185
10186 if (build_id)
10187 {
10188 int fd;
10189 debuginfod_client * client;
10190
10191 client = debuginfod_begin ();
10192 if (client == NULL)
10193 return FALSE;
10194
10195 /* Query debuginfod servers for the target file. If found its path
10196 will be stored in filename. */
10197 fd = debuginfod_find_debuginfo (client, build_id, build_id_len, filename);
10198 debuginfod_end (client);
10199
10200 /* Only free build_id if we allocated space for a hex string
10201 in get_build_id (). */
10202 if (build_id_len == 0)
10203 free (build_id);
10204
10205 if (fd >= 0)
10206 {
10207 /* File successfully retrieved. Close fd since we want to
10208 use open_debug_file () on filename instead. */
10209 close (fd);
10210 return TRUE;
10211 }
10212 }
10213
10214 return FALSE;
10215}
10216#endif
10217
dda8d76d
NC		 10218static void *
10219load_separate_debug_info (const char * main_filename,
2b63c337 10220 struct dwarf_section * xlink,
dda8d76d
NC		 10221 parse_func_type parse_func,
10222 check_func_type check_func,
301a9420
AM		 10223 void * func_data,
10224 void * file ATTRIBUTE_UNUSED)
dda8d76d
NC		 10225{
10226 const char * separate_filename;
24841daa 10227 char * debug_filename;
dda8d76d
NC		 10228 char * canon_dir;
10229 size_t canon_dirlen;
10230 size_t dirlen;
10231
2b63c337 10232 if ((separate_filename = parse_func (xlink, func_data)) == NULL)
dda8d76d
NC		 10233 {
10234 warn (_("Corrupt debuglink section: %s\n"),
2b63c337 10235 xlink->name ? xlink->name : xlink->uncompressed_name);
dda8d76d
NC		 10236 return FALSE;
10237 }
10238
10239 /* Attempt to locate the separate file.
10240 This should duplicate the logic in bfd/opncls.c:find_separate_debug_file(). */
10241
10242 canon_dir = lrealpath (main_filename);
10243
10244 for (canon_dirlen = strlen (canon_dir); canon_dirlen > 0; canon_dirlen--)
10245 if (IS_DIR_SEPARATOR (canon_dir[canon_dirlen - 1]))
10246 break;
10247 canon_dir[canon_dirlen] = '\0';
10248
10249#ifndef DEBUGDIR
10250#define DEBUGDIR "/lib/debug"
10251#endif
10252#ifndef EXTRA_DEBUG_ROOT1
10253#define EXTRA_DEBUG_ROOT1 "/usr/lib/debug"
10254#endif
10255#ifndef EXTRA_DEBUG_ROOT2
10256#define EXTRA_DEBUG_ROOT2 "/usr/lib/debug/usr"
10257#endif
10258
24841daa
NC		 10259 debug_filename = (char *) malloc (strlen (DEBUGDIR) + 1
10260 + canon_dirlen
10261 + strlen (".debug/")
dda8d76d 10262#ifdef EXTRA_DEBUG_ROOT1
24841daa 10263 + strlen (EXTRA_DEBUG_ROOT1)
dda8d76d
NC		 10264#endif
10265#ifdef EXTRA_DEBUG_ROOT2
24841daa 10266 + strlen (EXTRA_DEBUG_ROOT2)
dda8d76d 10267#endif
24841daa
NC		 10268 + strlen (separate_filename)
10269 + 1);
10270 if (debug_filename == NULL)
dda8d76d
NC		 10271 {
10272 warn (_("Out of memory"));
3391569f 10273 free (canon_dir);
dda8d76d
NC		 10274 return NULL;
10275 }
10276
10277 /* First try in the current directory. */
24841daa
NC		 10278 sprintf (debug_filename, "%s", separate_filename);
10279 if (check_func (debug_filename, func_data))
dda8d76d
NC		 10280 goto found;
10281
10282 /* Then try in a subdirectory called .debug. */
24841daa
NC		 10283 sprintf (debug_filename, ".debug/%s", separate_filename);
10284 if (check_func (debug_filename, func_data))
dda8d76d
NC		 10285 goto found;
10286
10287 /* Then try in the same directory as the original file. */
24841daa
NC		 10288 sprintf (debug_filename, "%s%s", canon_dir, separate_filename);
10289 if (check_func (debug_filename, func_data))
dda8d76d
NC		 10290 goto found;
10291
10292 /* And the .debug subdirectory of that directory. */
24841daa
NC		 10293 sprintf (debug_filename, "%s.debug/%s", canon_dir, separate_filename);
10294 if (check_func (debug_filename, func_data))
dda8d76d
NC		 10295 goto found;
10296
10297#ifdef EXTRA_DEBUG_ROOT1
10298 /* Try the first extra debug file root. */
24841daa
NC		 10299 sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename);
10300 if (check_func (debug_filename, func_data))
dda8d76d 10301 goto found;
39f0547e
NC		 10302
10303 /* Try the first extra debug file root. */
10304 sprintf (debug_filename, "%s/%s/%s", EXTRA_DEBUG_ROOT1, canon_dir, separate_filename);
10305 if (check_func (debug_filename, func_data))
10306 goto found;
dda8d76d
NC		 10307#endif
10308
10309#ifdef EXTRA_DEBUG_ROOT2
10310 /* Try the second extra debug file root. */
24841daa
NC		 10311 sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename);
10312 if (check_func (debug_filename, func_data))
dda8d76d
NC		 10313 goto found;
10314#endif
10315
24841daa
NC		 10316 /* Then try in the global debug_filename directory. */
10317 strcpy (debug_filename, DEBUGDIR);
dda8d76d
NC		 10318 dirlen = strlen (DEBUGDIR) - 1;
10319 if (dirlen > 0 && DEBUGDIR[dirlen] != '/')
24841daa
NC		 10320 strcat (debug_filename, "/");
10321 strcat (debug_filename, (const char *) separate_filename);
dda8d76d 10322
24841daa 10323 if (check_func (debug_filename, func_data))
dda8d76d
NC		 10324 goto found;
10325
301a9420
AM		 10326#if HAVE_LIBDEBUGINFOD
10327 {
10328 char * tmp_filename;
10329
10330 if (debuginfod_fetch_separate_debug_info (xlink,
10331 & tmp_filename,
10332 file))
10333 {
10334 /* File successfully downloaded from server, replace
10335 debug_filename with the file's path. */
10336 free (debug_filename);
10337 debug_filename = tmp_filename;
10338 goto found;
10339 }
10340 }
10341#endif
10342
dda8d76d
NC		 10343 /* Failed to find the file. */
10344 warn (_("could not find separate debug file '%s'\n"), separate_filename);
24841daa 10345 warn (_("tried: %s\n"), debug_filename);
dda8d76d
NC		 10346
10347#ifdef EXTRA_DEBUG_ROOT2
24841daa
NC		 10348 sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename);
10349 warn (_("tried: %s\n"), debug_filename);
dda8d76d
NC		 10350#endif
10351
10352#ifdef EXTRA_DEBUG_ROOT1
39f0547e
NC		 10353 sprintf (debug_filename, "%s/%s/%s", EXTRA_DEBUG_ROOT1, canon_dir, separate_filename);
10354 warn (_("tried: %s\n"), debug_filename);
10355
24841daa
NC		 10356 sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename);
10357 warn (_("tried: %s\n"), debug_filename);
dda8d76d
NC		 10358#endif
10359
24841daa
NC		 10360 sprintf (debug_filename, "%s.debug/%s", canon_dir, separate_filename);
10361 warn (_("tried: %s\n"), debug_filename);
dda8d76d 10362
24841daa
NC		 10363 sprintf (debug_filename, "%s%s", canon_dir, separate_filename);
10364 warn (_("tried: %s\n"), debug_filename);
dda8d76d 10365
24841daa
NC		 10366 sprintf (debug_filename, ".debug/%s", separate_filename);
10367 warn (_("tried: %s\n"), debug_filename);
dda8d76d 10368
24841daa
NC		 10369 sprintf (debug_filename, "%s", separate_filename);
10370 warn (_("tried: %s\n"), debug_filename);
dda8d76d 10371
301a9420
AM		 10372#if HAVE_LIBDEBUGINFOD
10373 {
10374 char *urls = getenv (DEBUGINFOD_URLS_ENV_VAR);
10375 if (urls == NULL)
10376 urls = "";
10377
10378 warn (_("tried: DEBUGINFOD_URLS=%s\n"), urls);
10379 }
10380#endif
10381
dda8d76d 10382 free (canon_dir);
24841daa 10383 free (debug_filename);
dda8d76d
NC		 10384 return NULL;
10385
10386 found:
10387 free (canon_dir);
10388
24841daa
NC		 10389 void * debug_handle;
10390
dda8d76d 10391 /* Now open the file.... */
24841daa 10392 if ((debug_handle = open_debug_file (debug_filename)) == NULL)
dda8d76d 10393 {
24841daa
NC		 10394 warn (_("failed to open separate debug file: %s\n"), debug_filename);
10395 free (debug_filename);
dda8d76d
NC		 10396 return FALSE;
10397 }
10398
10399 /* FIXME: We do not check to see if there are any other separate debug info
10400 files that would also match. */
10401
24841daa
NC		 10402 printf (_("%s: Found separate debug info file: %s\n\n"), main_filename, debug_filename);
10403 add_separate_debug_file (debug_filename, debug_handle);
dda8d76d 10404
24841daa 10405 /* Do not free debug_filename - it might be referenced inside
dda8d76d 10406 the structure returned by open_debug_file(). */
24841daa 10407 return debug_handle;
dda8d76d
NC		 10408}
10409
d85bf2ba
NC		 10410/* Attempt to load a separate dwarf object file. */
10411
10412static void *
24841daa 10413load_dwo_file (const char * main_filename, const char * name, const char * dir, const char * id ATTRIBUTE_UNUSED)
d85bf2ba 10414{
24841daa
NC		 10415 char * separate_filename;
10416 void * separate_handle;
d85bf2ba
NC		 10417
10418 /* FIXME: Skip adding / if dwo_dir ends in /. */
24841daa
NC		 10419 separate_filename = concat (dir, "/", name, NULL);
10420 if (separate_filename == NULL)
d85bf2ba
NC		 10421 {
10422 warn (_("Out of memory allocating dwo filename\n"));
10423 return NULL;
10424 }
10425
24841daa 10426 if ((separate_handle = open_debug_file (separate_filename)) == NULL)
d85bf2ba 10427 {
24841daa
NC		 10428 warn (_("Unable to load dwo file: %s\n"), separate_filename);
10429 free (separate_filename);
d85bf2ba
NC		 10430 return NULL;
10431 }
10432
10433 /* FIXME: We should check the dwo_id. */
10434
24841daa
NC		 10435 printf (_("%s: Found separate debug object file: %s\n\n"), main_filename, separate_filename);
10436 add_separate_debug_file (separate_filename, separate_handle);
10437 /* Note - separate_filename will be freed in free_debug_memory(). */
10438 return separate_handle;
d85bf2ba
NC		 10439}
10440
24841daa
NC		 10441/* Load the separate debug info file(s) attached to FILE, if any exist.
10442 Returns TRUE if any were found, FALSE otherwise.
10443 If TRUE is returned then the linked list starting at first_separate_info
10444 will be populated with open file handles. */
dda8d76d 10445
24841daa
NC		 10446bfd_boolean
10447load_separate_debug_files (void * file, const char * filename)
dda8d76d 10448{
8de3a6e2
NC		 10449 /* Skip this operation if we are not interested in debug links. */
10450 if (! do_follow_links && ! do_debug_links)
24841daa 10451 return FALSE;
8de3a6e2 10452
24841daa 10453 /* See if there are any dwo links. */
d85bf2ba
NC		 10454 if (load_debug_section (str, file)
10455 && load_debug_section (abbrev, file)
10456 && load_debug_section (info, file))
10457 {
24841daa 10458 free_dwo_info ();
d85bf2ba
NC		 10459
10460 if (process_debug_info (& debug_displays[info].section, file, abbrev, TRUE, FALSE))
10461 {
24841daa
NC		 10462 bfd_boolean introduced = FALSE;
10463 dwo_info * dwinfo;
10464 const char * dir = NULL;
10465 const char * id = NULL;
10466
10467 for (dwinfo = first_dwo_info; dwinfo != NULL; dwinfo = dwinfo->next)
d85bf2ba 10468 {
24841daa 10469 switch (dwinfo->type)
d85bf2ba 10470 {
24841daa
NC		 10471 case DWO_NAME:
10472 if (do_debug_links)
10473 {
10474 if (! introduced)
10475 {
10476 printf (_("The %s section contains link(s) to dwo file(s):\n\n"),
10477 debug_displays [info].section.uncompressed_name);
10478 introduced = TRUE;
10479 }
d85bf2ba 10480
24841daa
NC		 10481 printf (_(" Name: %s\n"), dwinfo->value);
10482 printf (_(" Directory: %s\n"), dir ? dir : _("<not-found>"));
10483 if (id != NULL)
10484 display_data (printf (_(" ID: ")), (unsigned char *) id, 8);
10485 else
10486 printf (_(" ID: <unknown>\n"));
10487 printf ("\n\n");
10488 }
10489
10490 if (do_follow_links)
10491 load_dwo_file (filename, dwinfo->value, dir, id);
10492 break;
10493
10494 case DWO_DIR:
10495 dir = dwinfo->value;
10496 break;
10497
10498 case DWO_ID:
10499 id = dwinfo->value;
10500 break;
10501
10502 default:
10503 error (_("Unexpected DWO INFO type"));
10504 break;
10505 }
d85bf2ba
NC		 10506 }
10507 }
10508 }
10509
dda8d76d 10510 if (! do_follow_links)
8de3a6e2
NC		 10511 /* The other debug links will be displayed by display_debug_links()
10512 so we do not need to do any further processing here. */
24841daa 10513 return FALSE;
dda8d76d
NC		 10514
10515 /* FIXME: We do not check for the presence of both link sections in the same file. */
10516 /* FIXME: We do not check the separate debug info file to see if it too contains debuglinks. */
10517 /* FIXME: We do not check for the presence of multiple, same-name debuglink sections. */
d85bf2ba 10518 /* FIXME: We do not check for the presence of a dwo link as well as a debuglink. */
dda8d76d 10519
dda8d76d
NC		 10520 if (load_debug_section (gnu_debugaltlink, file))
10521 {
10522 Build_id_data * build_id_data;
10523
24841daa
NC		 10524 load_separate_debug_info (filename,
10525 & debug_displays[gnu_debugaltlink].section,
10526 parse_gnu_debugaltlink,
10527 check_gnu_debugaltlink,
301a9420
AM		 10528 & build_id_data,
10529 file);
dda8d76d
NC		 10530 }
10531
10532 if (load_debug_section (gnu_debuglink, file))
10533 {
10534 unsigned long crc32;
10535
24841daa
NC		 10536 load_separate_debug_info (filename,
10537 & debug_displays[gnu_debuglink].section,
10538 parse_gnu_debuglink,
10539 check_gnu_debuglink,
301a9420
AM		 10540 & crc32,
10541 file);
dda8d76d
NC		 10542 }
10543
24841daa
NC		 10544 if (first_separate_info != NULL)
10545 return TRUE;
10546
dda8d76d 10547 do_follow_links = 0;
24841daa 10548 return FALSE;
dda8d76d
NC		 10549}
10550
19e6b90e
L		 10551void
10552free_debug_memory (void)
10553{
3f5e193b 10554 unsigned int i;
19e6b90e
L		 10555
10556 free_abbrevs ();
10557
10558 for (i = 0; i < max; i++)
3f5e193b 10559 free_debug_section ((enum dwarf_section_display_enum) i);
19e6b90e 10560
cc86f28f 10561 if (debug_information != NULL)
19e6b90e 10562 {
cc86f28f 10563 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE)
19e6b90e 10564 {
cc86f28f 10565 for (i = 0; i < num_debug_info_entries; i++)
19e6b90e 10566 {
cc86f28f
NC		 10567 if (!debug_information [i].max_loc_offsets)
10568 {
10569 free (debug_information [i].loc_offsets);
10570 free (debug_information [i].have_frame_base);
10571 }
10572 if (!debug_information [i].max_range_lists)
10573 free (debug_information [i].range_lists);
19e6b90e 10574 }
19e6b90e
L		 10575 }
10576 free (debug_information);
10577 debug_information = NULL;
82b1b41b 10578 alloc_num_debug_info_entries = num_debug_info_entries = 0;
19e6b90e 10579 }
dda8d76d 10580
24841daa
NC		 10581 separate_info * d;
10582 separate_info * next;
dda8d76d 10583
24841daa
NC		 10584 for (d = first_separate_info; d != NULL; d = next)
10585 {
10586 close_debug_file (d->handle);
10587 free ((void *) d->filename);
10588 next = d->next;
10589 free ((void *) d);
dda8d76d 10590 }
24841daa
NC		 10591 first_separate_info = NULL;
10592
10593 free_dwo_info ();
19e6b90e
L		 10594}
10595
4cb93e3b
TG		 10596void
10597dwarf_select_sections_by_names (const char *names)
10598{
10599 typedef struct
10600 {
10601 const char * option;
10602 int * variable;
f9f0e732 10603 int val;
4cb93e3b
TG		 10604 }
10605 debug_dump_long_opts;
10606
10607 static const debug_dump_long_opts opts_table [] =
10608 {
10609 /* Please keep this table alpha- sorted. */
10610 { "Ranges", & do_debug_ranges, 1 },
10611 { "abbrev", & do_debug_abbrevs, 1 },
657d0d47 10612 { "addr", & do_debug_addr, 1 },
4cb93e3b 10613 { "aranges", & do_debug_aranges, 1 },
657d0d47
CC		 10614 { "cu_index", & do_debug_cu_index, 1 },
10615 { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED },
dda8d76d 10616 { "follow-links", & do_follow_links, 1 },
4cb93e3b
TG		 10617 { "frames", & do_debug_frames, 1 },
10618 { "frames-interp", & do_debug_frames_interp, 1 },
657d0d47
CC		 10619 /* The special .gdb_index section. */
10620 { "gdb_index", & do_gdb_index, 1 },
4cb93e3b
TG		 10621 { "info", & do_debug_info, 1 },
10622 { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */
dda8d76d 10623 { "links", & do_debug_links, 1 },
4cb93e3b
TG		 10624 { "loc", & do_debug_loc, 1 },
10625 { "macro", & do_debug_macinfo, 1 },
10626 { "pubnames", & do_debug_pubnames, 1 },
357da287 10627 { "pubtypes", & do_debug_pubtypes, 1 },
222c2bf0 10628 /* This entry is for compatibility
4cb93e3b
TG		 10629 with earlier versions of readelf. */
10630 { "ranges", & do_debug_aranges, 1 },
657d0d47 10631 { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW },
4cb93e3b 10632 { "str", & do_debug_str, 1 },
6f875884
TG		 10633 /* These trace_* sections are used by Itanium VMS. */
10634 { "trace_abbrev", & do_trace_abbrevs, 1 },
10635 { "trace_aranges", & do_trace_aranges, 1 },
10636 { "trace_info", & do_trace_info, 1 },
4cb93e3b
TG		 10637 { NULL, NULL, 0 }
10638 };
10639
10640 const char *p;
467c65bc 10641
4cb93e3b
TG		 10642 p = names;
10643 while (*p)
10644 {
10645 const debug_dump_long_opts * entry;
467c65bc 10646
4cb93e3b
TG		 10647 for (entry = opts_table; entry->option; entry++)
10648 {
10649 size_t len = strlen (entry->option);
467c65bc 10650
4cb93e3b
TG		 10651 if (strncmp (p, entry->option, len) == 0
10652 && (p[len] == ',' || p[len] == '\0'))
10653 {
10654 * entry->variable |= entry->val;
467c65bc 10655
4cb93e3b
TG		 10656 /* The --debug-dump=frames-interp option also
10657 enables the --debug-dump=frames option. */
10658 if (do_debug_frames_interp)
10659 do_debug_frames = 1;
10660
10661 p += len;
10662 break;
10663 }
10664 }
467c65bc 10665
4cb93e3b
TG		 10666 if (entry->option == NULL)
10667 {
10668 warn (_("Unrecognized debug option '%s'\n"), p);
10669 p = strchr (p, ',');
10670 if (p == NULL)
10671 break;
10672 }
467c65bc 10673
4cb93e3b
TG		 10674 if (*p == ',')
10675 p++;
10676 }
10677}
10678
10679void
10680dwarf_select_sections_by_letters (const char *letters)
10681{
91d6fa6a 10682 unsigned int lindex = 0;
4cb93e3b 10683
91d6fa6a
NC		 10684 while (letters[lindex])
10685 switch (letters[lindex++])
4cb93e3b 10686 {
dda8d76d
NC		 10687 case 'A': do_debug_addr = 1; break;
10688 case 'a': do_debug_abbrevs = 1; break;
10689 case 'c': do_debug_cu_index = 1; break;
10690 case 'F': do_debug_frames_interp = 1; /* Fall through. */
10691 case 'f': do_debug_frames = 1; break;
10692 case 'g': do_gdb_index = 1; break;
10693 case 'i': do_debug_info = 1; break;
10694 case 'K': do_follow_links = 1; break;
10695 case 'k': do_debug_links = 1; break;
10696 case 'l': do_debug_lines |= FLAG_DEBUG_LINES_RAW; break;
10697 case 'L': do_debug_lines |= FLAG_DEBUG_LINES_DECODED; break;
10698 case 'm': do_debug_macinfo = 1; break;
10699 case 'o': do_debug_loc = 1; break;
10700 case 'p': do_debug_pubnames = 1; break;
10701 case 'R': do_debug_ranges = 1; break;
10702 case 'r': do_debug_aranges = 1; break;
10703 case 's': do_debug_str = 1; break;
10704 case 'T': do_trace_aranges = 1; break;
10705 case 't': do_debug_pubtypes = 1; break;
10706 case 'U': do_trace_info = 1; break;
10707 case 'u': do_trace_abbrevs = 1; break;
467c65bc 10708
4cb93e3b 10709 default:
7cc78d07 10710 warn (_("Unrecognized debug option '%s'\n"), letters);
4cb93e3b
TG		 10711 break;
10712 }
10713}
10714
10715void
10716dwarf_select_sections_all (void)
10717{
10718 do_debug_info = 1;
10719 do_debug_abbrevs = 1;
10720 do_debug_lines = FLAG_DEBUG_LINES_RAW;
10721 do_debug_pubnames = 1;
f9f0e732 10722 do_debug_pubtypes = 1;
4cb93e3b
TG		 10723 do_debug_aranges = 1;
10724 do_debug_ranges = 1;
10725 do_debug_frames = 1;
10726 do_debug_macinfo = 1;
10727 do_debug_str = 1;
10728 do_debug_loc = 1;
5bbdf3d5 10729 do_gdb_index = 1;
6f875884
TG		 10730 do_trace_info = 1;
10731 do_trace_abbrevs = 1;
10732 do_trace_aranges = 1;
657d0d47
CC		 10733 do_debug_addr = 1;
10734 do_debug_cu_index = 1;
dda8d76d
NC		 10735 do_follow_links = 1;
10736 do_debug_links = 1;
4cb93e3b
TG		 10737}
10738
dda8d76d
NC		 10739#define NO_ABBREVS NULL, NULL, NULL, 0, 0, 0, NULL, 0, NULL
10740#define ABBREV(N) NULL, NULL, NULL, 0, 0, N, NULL, 0, NULL
10741
10742/* N.B. The order here must match the order in section_display_enum. */
10743
19e6b90e
L		 10744struct dwarf_section_display debug_displays[] =
10745{
dda8d76d
NC		 10746 { { ".debug_abbrev", ".zdebug_abbrev", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE },
10747 { { ".debug_aranges", ".zdebug_aranges", NO_ABBREVS }, display_debug_aranges, &do_debug_aranges, TRUE },
10748 { { ".debug_frame", ".zdebug_frame", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE },
10749 { { ".debug_info", ".zdebug_info", ABBREV (abbrev)}, display_debug_info, &do_debug_info, TRUE },
10750 { { ".debug_line", ".zdebug_line", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE },
10751 { { ".debug_pubnames", ".zdebug_pubnames", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubnames, FALSE },
10752 { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubnames, FALSE },
10753 { { ".eh_frame", "", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE },
10754 { { ".debug_macinfo", ".zdebug_macinfo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE },
10755 { { ".debug_macro", ".zdebug_macro", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE },
10756 { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
10757 { { ".debug_line_str", ".zdebug_line_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
10758 { { ".debug_loc", ".zdebug_loc", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
10759 { { ".debug_loclists", ".zdebug_loclists", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
10760 { { ".debug_pubtypes", ".zdebug_pubtypes", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubtypes, FALSE },
10761 { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubtypes, FALSE },
10762 { { ".debug_ranges", ".zdebug_ranges", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE },
10763 { { ".debug_rnglists", ".zdebug_rnglists", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE },
10764 { { ".debug_static_func", ".zdebug_static_func", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
10765 { { ".debug_static_vars", ".zdebug_static_vars", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
10766 { { ".debug_types", ".zdebug_types", ABBREV (abbrev) }, display_debug_types, &do_debug_info, TRUE },
10767 { { ".debug_weaknames", ".zdebug_weaknames", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
10768 { { ".gdb_index", "", NO_ABBREVS }, display_gdb_index, &do_gdb_index, FALSE },
10769 { { ".debug_names", "", NO_ABBREVS }, display_debug_names, &do_gdb_index, FALSE },
10770 { { ".trace_info", "", ABBREV (trace_abbrev) }, display_trace_info, &do_trace_info, TRUE },
10771 { { ".trace_abbrev", "", NO_ABBREVS }, display_debug_abbrev, &do_trace_abbrevs, FALSE },
10772 { { ".trace_aranges", "", NO_ABBREVS }, display_debug_aranges, &do_trace_aranges, FALSE },
10773 { { ".debug_info.dwo", ".zdebug_info.dwo", ABBREV (abbrev_dwo) }, display_debug_info, &do_debug_info, TRUE },
10774 { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE },
10775 { { ".debug_types.dwo", ".zdebug_types.dwo", ABBREV (abbrev_dwo) }, display_debug_types, &do_debug_info, TRUE },
10776 { { ".debug_line.dwo", ".zdebug_line.dwo", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE },
10777 { { ".debug_loc.dwo", ".zdebug_loc.dwo", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
10778 { { ".debug_macro.dwo", ".zdebug_macro.dwo", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE },
10779 { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE },
10780 { { ".debug_str.dwo", ".zdebug_str.dwo", NO_ABBREVS }, display_debug_str, &do_debug_str, TRUE },
10781 { { ".debug_str_offsets", ".zdebug_str_offsets", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE },
10782 { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE },
10783 { { ".debug_addr", ".zdebug_addr", NO_ABBREVS }, display_debug_addr, &do_debug_addr, TRUE },
10784 { { ".debug_cu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE },
10785 { { ".debug_tu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE },
10786 { { ".gnu_debuglink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE },
10787 { { ".gnu_debugaltlink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE },
10788 /* Separate debug info files can containt their own .debug_str section,
10789 and this might be in *addition* to a .debug_str section already present
10790 in the main file. Hence we need to have two entries for .debug_str. */
10791 { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
19e6b90e 10792};
b451e98a
JK		 10793
10794/* A static assertion. */
10795extern int debug_displays_assert[ARRAY_SIZE (debug_displays) == max ? 1 : -1];
GDB Binutils - Deliverables
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