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Add support for debuginfod to the binutils (disable by default, enabled via a configu...
[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;
77145576 3625 unsigned char address_size, segment_selector_size;
19e6b90e 3626
b40bf0a2
NC		 3627 /* Extract information from the Line Number Program Header.
3628 (section 6.2.4 in the Dwarf3 doc). */
6937bb54 3629 hdrptr = data;
19e6b90e 3630
b40bf0a2
NC		 3631 /* Get and check the length of the block. */
3632 SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 4, end);
19e6b90e 3633
b40bf0a2 3634 if (linfo->li_length == 0xffffffff)
f41e4712
NC		 3635 {
3636 /* This section is 64-bit DWARF 3. */
b40bf0a2 3637 SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end);
77145576 3638 linfo->li_offset_size = 8;
f41e4712
NC		 3639 initial_length_size = 12;
3640 }
3641 else
3642 {
77145576 3643 linfo->li_offset_size = 4;
f41e4712
NC		 3644 initial_length_size = 4;
3645 }
19e6b90e 3646
b40bf0a2 3647 if (linfo->li_length + initial_length_size > section->size)
f41e4712 3648 {
8fcc61b4
NC		 3649 /* If the length field has a relocation against it, then we should
3650 not complain if it is inaccurate (and probably negative). This
3651 happens in object files when the .debug_line section is actually
3652 comprised of several different .debug_line.* sections, (some of
3653 which may be removed by linker garbage collection), and a relocation
3654 is used to compute the correct length once that is done. */
77145576 3655 if (reloc_at (section, (hdrptr - section->start) - linfo->li_offset_size))
b40bf0a2 3656 {
8fcc61b4 3657 linfo->li_length = (end - data) - initial_length_size;
b40bf0a2
NC		 3658 }
3659 else
3660 {
8fcc61b4
NC		 3661 warn (_("The length field (0x%lx) in the debug_line header is wrong - the section is too small\n"),
3662 (long) linfo->li_length);
b40bf0a2
NC		 3663 return NULL;
3664 }
f41e4712 3665 }
19e6b90e 3666
b40bf0a2
NC		 3667 /* Get and check the version number. */
3668 SAFE_BYTE_GET_AND_INC (linfo->li_version, hdrptr, 2, end);
3669
3670 if (linfo->li_version != 2
3671 && linfo->li_version != 3
77145576
JK		 3672 && linfo->li_version != 4
3673 && linfo->li_version != 5)
f41e4712 3674 {
77145576
JK		 3675 warn (_("Only DWARF version 2, 3, 4 and 5 line info "
3676 "is currently supported.\n"));
b40bf0a2 3677 return NULL;
f41e4712 3678 }
19e6b90e 3679
77145576
JK		 3680 if (linfo->li_version >= 5)
3681 {
3682 SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end);
3683
3684 SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end);
3685 if (segment_selector_size != 0)
3686 {
3687 warn (_("The %s section contains "
3688 "unsupported segment selector size: %d.\n"),
3689 section->name, segment_selector_size);
3690 return 0;
3691 }
3692 }
3693
3694 SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr,
3695 linfo->li_offset_size, end);
b40bf0a2 3696 SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end);
0c588247 3697
b40bf0a2 3698 if (linfo->li_version >= 4)
f41e4712 3699 {
b40bf0a2 3700 SAFE_BYTE_GET_AND_INC (linfo->li_max_ops_per_insn, hdrptr, 1, end);
0c588247 3701
b40bf0a2 3702 if (linfo->li_max_ops_per_insn == 0)
f41e4712
NC		 3703 {
3704 warn (_("Invalid maximum operations per insn.\n"));
b40bf0a2 3705 return NULL;
a233b20c 3706 }
f41e4712
NC		 3707 }
3708 else
b40bf0a2 3709 linfo->li_max_ops_per_insn = 1;
0c588247 3710
b40bf0a2 3711 SAFE_BYTE_GET_AND_INC (linfo->li_default_is_stmt, hdrptr, 1, end);
65879393 3712 SAFE_SIGNED_BYTE_GET_AND_INC (linfo->li_line_base, hdrptr, 1, end);
b40bf0a2
NC		 3713 SAFE_BYTE_GET_AND_INC (linfo->li_line_range, hdrptr, 1, end);
3714 SAFE_BYTE_GET_AND_INC (linfo->li_opcode_base, hdrptr, 1, end);
19e6b90e 3715
b40bf0a2 3716 * end_of_sequence = data + linfo->li_length + initial_length_size;
b4eb7656 3717 /* PR 17512: file:002-117414-0.004. */
6937bb54
NC		 3718 if (* end_of_sequence > end)
3719 {
4c219c2e
AM		 3720 warn (_("Line length %s extends beyond end of section\n"),
3721 dwarf_vmatoa ("u", linfo->li_length));
6937bb54
NC		 3722 * end_of_sequence = end;
3723 return NULL;
3724 }
3725
b40bf0a2
NC		 3726 return hdrptr;
3727}
19e6b90e 3728
77145576 3729static unsigned char *
dda8d76d
NC		 3730display_formatted_table (unsigned char * data,
3731 unsigned char * start,
3732 unsigned char * end,
3733 const DWARF2_Internal_LineInfo * linfo,
3734 struct dwarf_section * section,
7b8d9e8c 3735 bfd_boolean is_dir)
77145576
JK		 3736{
3737 unsigned char *format_start, format_count, *format, formati;
3738 dwarf_vma data_count, datai;
cd30bcef 3739 unsigned int namepass, last_entry = 0;
77145576
JK		 3740
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 {
7b8d9e8c
AM		 3749 if (is_dir)
3750 warn (_("Corrupt directory format table entry\n"));
3751 else
3752 warn (_("Corrupt file name format table entry\n"));
77145576
JK		 3753 return data;
3754 }
3755 }
3756
cd30bcef 3757 READ_ULEB (data_count, data, end);
77145576
JK		 3758 if (data == end)
3759 {
7b8d9e8c
AM		 3760 if (is_dir)
3761 warn (_("Corrupt directory list\n"));
3762 else
3763 warn (_("Corrupt file name list\n"));
77145576
JK		 3764 return data;
3765 }
3766
3767 if (data_count == 0)
3768 {
7b8d9e8c
AM		 3769 if (is_dir)
3770 printf (_("\n The Directory Table is empty.\n"));
3771 else
3772 printf (_("\n The File Name Table is empty.\n"));
77145576
JK		 3773 return data;
3774 }
3775
7b8d9e8c
AM		 3776 if (is_dir)
3777 printf (_("\n The Directory Table (offset 0x%lx):\n"),
3778 (long) (data - start));
3779 else
3780 printf (_("\n The File Name Table (offset 0x%lx):\n"),
3781 (long) (data - start));
77145576
JK		 3782
3783 printf (_(" Entry"));
3784 /* Delay displaying name as the last entry for better screen layout. */
3785 for (namepass = 0; namepass < 2; namepass++)
3786 {
3787 format = format_start;
3788 for (formati = 0; formati < format_count; formati++)
3789 {
3790 dwarf_vma content_type;
3791
cd30bcef 3792 READ_ULEB (content_type, format, end);
77145576
JK		 3793 if ((content_type == DW_LNCT_path) == (namepass == 1))
3794 switch (content_type)
3795 {
3796 case DW_LNCT_path:
3797 printf (_("\tName"));
3798 break;
3799 case DW_LNCT_directory_index:
3800 printf (_("\tDir"));
3801 break;
3802 case DW_LNCT_timestamp:
3803 printf (_("\tTime"));
3804 break;
3805 case DW_LNCT_size:
3806 printf (_("\tSize"));
3807 break;
3808 case DW_LNCT_MD5:
3809 printf (_("\tMD5"));
3810 break;
3811 default:
3812 printf (_("\t(Unknown format content type %s)"),
3813 dwarf_vmatoa ("u", content_type));
3814 }
cd30bcef 3815 SKIP_ULEB (format, end);
77145576
JK		 3816 }
3817 }
3818 putchar ('\n');
3819
3820 for (datai = 0; datai < data_count; datai++)
3821 {
3822 unsigned char *datapass = data;
3823
3824 printf (" %d", last_entry++);
3825 /* Delay displaying name as the last entry for better screen layout. */
3826 for (namepass = 0; namepass < 2; namepass++)
3827 {
3828 format = format_start;
3829 data = datapass;
3830 for (formati = 0; formati < format_count; formati++)
3831 {
3832 dwarf_vma content_type, form;
3833
cd30bcef
AM		 3834 READ_ULEB (content_type, format, end);
3835 READ_ULEB (form, format, end);
3836 data = read_and_display_attr_value (0, form, 0, start, data, end,
3837 0, 0, linfo->li_offset_size,
77145576
JK		 3838 linfo->li_version, NULL,
3839 ((content_type == DW_LNCT_path) != (namepass == 1)),
ec1b0fbb 3840 section, NULL, '\t', -1);
77145576
JK		 3841 }
3842 }
3843 if (data == end)
3844 {
7b8d9e8c
AM		 3845 if (is_dir)
3846 warn (_("Corrupt directory entries list\n"));
3847 else
3848 warn (_("Corrupt file name entries list\n"));
77145576
JK		 3849 return data;
3850 }
3851 putchar ('\n');
3852 }
3853 return data;
3854}
3855
b40bf0a2 3856static int
dda8d76d
NC		 3857display_debug_lines_raw (struct dwarf_section * section,
3858 unsigned char * data,
3859 unsigned char * end,
3860 void * file)
b40bf0a2
NC		 3861{
3862 unsigned char *start = section->start;
ba8826a8 3863 int verbose_view = 0;
19e6b90e 3864
dda8d76d 3865 introduce (section, TRUE);
19e6b90e 3866
b40bf0a2
NC		 3867 while (data < end)
3868 {
3869 static DWARF2_Internal_LineInfo saved_linfo;
3870 DWARF2_Internal_LineInfo linfo;
3871 unsigned char *standard_opcodes;
3872 unsigned char *end_of_sequence;
fe59e83d 3873 int i;
19e6b90e 3874
4925cdd7
NC		 3875 if (const_strneq (section->name, ".debug_line.")
3876 /* Note: the following does not apply to .debug_line.dwo sections.
3877 These are full debug_line sections. */
3878 && strcmp (section->name, ".debug_line.dwo") != 0)
19e6b90e 3879 {
b40bf0a2
NC		 3880 /* Sections named .debug_line.<foo> are fragments of a .debug_line
3881 section containing just the Line Number Statements. They are
3882 created by the assembler and intended to be used alongside gcc's
3883 -ffunction-sections command line option. When the linker's
3884 garbage collection decides to discard a .text.<foo> section it
3885 can then also discard the line number information in .debug_line.<foo>.
3886
4925cdd7 3887 Since the section is a fragment it does not have the details
b40bf0a2 3888 needed to fill out a LineInfo structure, so instead we use the
4925cdd7 3889 details from the last full debug_line section that we processed. */
b40bf0a2
NC		 3890 end_of_sequence = end;
3891 standard_opcodes = NULL;
3892 linfo = saved_linfo;
058037d3
NC		 3893 /* PR 17531: file: 0522b371. */
3894 if (linfo.li_line_range == 0)
3895 {
1306a742 3896 warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n"));
058037d3
NC		 3897 return 0;
3898 }
b40bf0a2 3899 reset_state_machine (linfo.li_default_is_stmt);
19e6b90e 3900 }
19e6b90e
L		 3901 else
3902 {
b40bf0a2 3903 unsigned char * hdrptr;
19e6b90e 3904
b40bf0a2
NC		 3905 if ((hdrptr = read_debug_line_header (section, data, end, & linfo,
3906 & end_of_sequence)) == NULL)
3907 return 0;
19e6b90e 3908
b40bf0a2
NC		 3909 printf (_(" Offset: 0x%lx\n"), (long)(data - start));
3910 printf (_(" Length: %ld\n"), (long) linfo.li_length);
3911 printf (_(" DWARF Version: %d\n"), linfo.li_version);
77ef8654 3912 printf (_(" Prologue Length: %d\n"), (int) linfo.li_prologue_length);
b40bf0a2
NC		 3913 printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length);
3914 if (linfo.li_version >= 4)
3915 printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn);
3916 printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt);
3917 printf (_(" Line Base: %d\n"), linfo.li_line_base);
3918 printf (_(" Line Range: %d\n"), linfo.li_line_range);
3919 printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base);
19e6b90e 3920
0a9d414a
NC		 3921 /* PR 17512: file: 1665-6428-0.004. */
3922 if (linfo.li_line_range == 0)
3923 {
3924 warn (_("Line range of 0 is invalid, using 1 instead\n"));
3925 linfo.li_line_range = 1;
3926 }
77ef8654 3927
b40bf0a2 3928 reset_state_machine (linfo.li_default_is_stmt);
19e6b90e 3929
b40bf0a2
NC		 3930 /* Display the contents of the Opcodes table. */
3931 standard_opcodes = hdrptr;
19e6b90e 3932
6937bb54
NC		 3933 /* PR 17512: file: 002-417945-0.004. */
3934 if (standard_opcodes + linfo.li_opcode_base >= end)
3935 {
3936 warn (_("Line Base extends beyond end of section\n"));
3937 return 0;
3938 }
3939
b40bf0a2 3940 printf (_("\n Opcodes:\n"));
19e6b90e 3941
b40bf0a2 3942 for (i = 1; i < linfo.li_opcode_base; i++)
d3a49aa8
AM		 3943 printf (ngettext (" Opcode %d has %d arg\n",
3944 " Opcode %d has %d args\n",
3945 standard_opcodes[i - 1]),
3946 i, standard_opcodes[i - 1]);
19e6b90e 3947
b40bf0a2
NC		 3948 /* Display the contents of the Directory table. */
3949 data = standard_opcodes + linfo.li_opcode_base - 1;
19e6b90e 3950
77145576 3951 if (linfo.li_version >= 5)
b40bf0a2 3952 {
dda8d76d 3953 load_debug_section_with_follow (line_str, file);
19e6b90e 3954
77145576 3955 data = display_formatted_table (data, start, end, &linfo, section,
7b8d9e8c 3956 TRUE);
77145576 3957 data = display_formatted_table (data, start, end, &linfo, section,
7b8d9e8c 3958 FALSE);
77145576
JK		 3959 }
3960 else
3961 {
3962 if (*data == 0)
3963 printf (_("\n The Directory Table is empty.\n"));
3964 else
a233b20c 3965 {
77145576 3966 unsigned int last_dir_entry = 0;
6937bb54 3967
77145576
JK		 3968 printf (_("\n The Directory Table (offset 0x%lx):\n"),
3969 (long)(data - start));
19e6b90e 3970
77145576
JK		 3971 while (data < end && *data != 0)
3972 {
3973 printf (" %d\t%.*s\n", ++last_dir_entry, (int) (end - data), data);
19e6b90e 3974
77145576
JK		 3975 data += strnlen ((char *) data, end - data) + 1;
3976 }
19e6b90e 3977
77145576
JK		 3978 /* PR 17512: file: 002-132094-0.004. */
3979 if (data >= end - 1)
3980 break;
3981 }
19e6b90e 3982
77145576
JK		 3983 /* Skip the NUL at the end of the table. */
3984 data++;
19e6b90e 3985
77145576
JK		 3986 /* Display the contents of the File Name table. */
3987 if (*data == 0)
3988 printf (_("\n The File Name Table is empty.\n"));
3989 else
3990 {
3991 printf (_("\n The File Name Table (offset 0x%lx):\n"),
3992 (long)(data - start));
3993 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
19e6b90e 3994
77145576 3995 while (data < end && *data != 0)
b40bf0a2 3996 {
77145576 3997 unsigned char *name;
cd30bcef 3998 dwarf_vma val;
77145576
JK		 3999
4000 printf (" %d\t", ++state_machine_regs.last_file_entry);
4001 name = data;
4002 data += strnlen ((char *) data, end - data) + 1;
4003
cd30bcef
AM		 4004 READ_ULEB (val, data, end);
4005 printf ("%s\t", dwarf_vmatoa ("u", val));
4006 READ_ULEB (val, data, end);
4007 printf ("%s\t", dwarf_vmatoa ("u", val));
4008 READ_ULEB (val, data, end);
4009 printf ("%s\t", dwarf_vmatoa ("u", val));
77145576
JK		 4010 printf ("%.*s\n", (int)(end - name), name);
4011
4012 if (data == end)
4013 {
4014 warn (_("Corrupt file name table entry\n"));
4015 break;
4016 }
b40bf0a2 4017 }
a233b20c 4018 }
77145576
JK		 4019
4020 /* Skip the NUL at the end of the table. */
4021 data++;
b40bf0a2 4022 }
19e6b90e 4023
b40bf0a2
NC		 4024 putchar ('\n');
4025 saved_linfo = linfo;
4026 }
19e6b90e 4027
b40bf0a2
NC		 4028 /* Now display the statements. */
4029 if (data >= end_of_sequence)
4030 printf (_(" No Line Number Statements.\n"));
4031 else
4032 {
4033 printf (_(" Line Number Statements:\n"));
19e6b90e 4034
b40bf0a2
NC		 4035 while (data < end_of_sequence)
4036 {
4037 unsigned char op_code;
4038 dwarf_signed_vma adv;
4039 dwarf_vma uladv;
19e6b90e 4040
fe59e83d
CC		 4041 printf (" [0x%08lx]", (long)(data - start));
4042
b40bf0a2 4043 op_code = *data++;
19e6b90e 4044
b40bf0a2 4045 if (op_code >= linfo.li_opcode_base)
19e6b90e 4046 {
b40bf0a2
NC		 4047 op_code -= linfo.li_opcode_base;
4048 uladv = (op_code / linfo.li_line_range);
4049 if (linfo.li_max_ops_per_insn == 1)
4050 {
4051 uladv *= linfo.li_min_insn_length;
4052 state_machine_regs.address += uladv;
ba8826a8
AO		 4053 if (uladv)
4054 state_machine_regs.view = 0;
b40bf0a2 4055 printf (_(" Special opcode %d: "
ba8826a8 4056 "advance Address by %s to 0x%s%s"),
b40bf0a2 4057 op_code, dwarf_vmatoa ("u", uladv),
ba8826a8
AO		 4058 dwarf_vmatoa ("x", state_machine_regs.address),
4059 verbose_view && uladv
4060 ? _(" (reset view)") : "");
b40bf0a2
NC		 4061 }
4062 else
4063 {
ba8826a8
AO		 4064 unsigned addrdelta
4065 = ((state_machine_regs.op_index + uladv)
b40bf0a2
NC		 4066 / linfo.li_max_ops_per_insn)
4067 * linfo.li_min_insn_length;
ba8826a8
AO		 4068
4069 state_machine_regs.address += addrdelta;
b40bf0a2
NC		 4070 state_machine_regs.op_index
4071 = (state_machine_regs.op_index + uladv)
4072 % linfo.li_max_ops_per_insn;
ba8826a8
AO		 4073 if (addrdelta)
4074 state_machine_regs.view = 0;
b40bf0a2 4075 printf (_(" Special opcode %d: "
ba8826a8 4076 "advance Address by %s to 0x%s[%d]%s"),
b40bf0a2
NC		 4077 op_code, dwarf_vmatoa ("u", uladv),
4078 dwarf_vmatoa ("x", state_machine_regs.address),
ba8826a8
AO		 4079 state_machine_regs.op_index,
4080 verbose_view && addrdelta
4081 ? _(" (reset view)") : "");
b40bf0a2
NC		 4082 }
4083 adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
4084 state_machine_regs.line += adv;
ba8826a8 4085 printf (_(" and Line by %s to %d"),
b40bf0a2 4086 dwarf_vmatoa ("d", adv), state_machine_regs.line);
ba8826a8
AO		 4087 if (verbose_view || state_machine_regs.view)
4088 printf (_(" (view %u)\n"), state_machine_regs.view);
4089 else
4090 putchar ('\n');
4091 state_machine_regs.view++;
19e6b90e 4092 }
cd30bcef
AM		 4093 else
4094 switch (op_code)
4095 {
4096 case DW_LNS_extended_op:
4097 data += process_extended_line_op (data,
4098 linfo.li_default_is_stmt,
4099 end);
4100 break;
4101
4102 case DW_LNS_copy:
4103 printf (_(" Copy"));
4104 if (verbose_view || state_machine_regs.view)
4105 printf (_(" (view %u)\n"), state_machine_regs.view);
4106 else
4107 putchar ('\n');
4108 state_machine_regs.view++;
4109 break;
4110
4111 case DW_LNS_advance_pc:
4112 READ_ULEB (uladv, data, end);
4113 if (linfo.li_max_ops_per_insn == 1)
4114 {
4115 uladv *= linfo.li_min_insn_length;
4116 state_machine_regs.address += uladv;
4117 if (uladv)
4118 state_machine_regs.view = 0;
4119 printf (_(" Advance PC by %s to 0x%s%s\n"),
4120 dwarf_vmatoa ("u", uladv),
4121 dwarf_vmatoa ("x", state_machine_regs.address),
4122 verbose_view && uladv
4123 ? _(" (reset view)") : "");
4124 }
4125 else
4126 {
4127 unsigned addrdelta
4128 = ((state_machine_regs.op_index + uladv)
4129 / linfo.li_max_ops_per_insn)
4130 * linfo.li_min_insn_length;
4131 state_machine_regs.address
4132 += addrdelta;
4133 state_machine_regs.op_index
4134 = (state_machine_regs.op_index + uladv)
4135 % linfo.li_max_ops_per_insn;
4136 if (addrdelta)
4137 state_machine_regs.view = 0;
4138 printf (_(" Advance PC by %s to 0x%s[%d]%s\n"),
4139 dwarf_vmatoa ("u", uladv),
4140 dwarf_vmatoa ("x", state_machine_regs.address),
4141 state_machine_regs.op_index,
4142 verbose_view && addrdelta
4143 ? _(" (reset view)") : "");
4144 }
4145 break;
4146
4147 case DW_LNS_advance_line:
4148 READ_SLEB (adv, data, end);
4149 state_machine_regs.line += adv;
4150 printf (_(" Advance Line by %s to %d\n"),
4151 dwarf_vmatoa ("d", adv),
4152 state_machine_regs.line);
4153 break;
4154
4155 case DW_LNS_set_file:
4156 READ_ULEB (uladv, data, end);
4157 printf (_(" Set File Name to entry %s in the File Name Table\n"),
4158 dwarf_vmatoa ("u", uladv));
4159 state_machine_regs.file = uladv;
4160 break;
4161
4162 case DW_LNS_set_column:
4163 READ_ULEB (uladv, data, end);
4164 printf (_(" Set column to %s\n"),
4165 dwarf_vmatoa ("u", uladv));
4166 state_machine_regs.column = uladv;
4167 break;
4168
4169 case DW_LNS_negate_stmt:
4170 adv = state_machine_regs.is_stmt;
4171 adv = ! adv;
4172 printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv));
4173 state_machine_regs.is_stmt = adv;
4174 break;
4175
4176 case DW_LNS_set_basic_block:
4177 printf (_(" Set basic block\n"));
4178 state_machine_regs.basic_block = 1;
4179 break;
4180
4181 case DW_LNS_const_add_pc:
4182 uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
4183 if (linfo.li_max_ops_per_insn)
4184 {
4185 uladv *= linfo.li_min_insn_length;
4186 state_machine_regs.address += uladv;
4187 if (uladv)
4188 state_machine_regs.view = 0;
4189 printf (_(" Advance PC by constant %s to 0x%s%s\n"),
4190 dwarf_vmatoa ("u", uladv),
4191 dwarf_vmatoa ("x", state_machine_regs.address),
4192 verbose_view && uladv
4193 ? _(" (reset view)") : "");
4194 }
4195 else
4196 {
4197 unsigned addrdelta
4198 = ((state_machine_regs.op_index + uladv)
4199 / linfo.li_max_ops_per_insn)
4200 * linfo.li_min_insn_length;
4201 state_machine_regs.address
4202 += addrdelta;
4203 state_machine_regs.op_index
4204 = (state_machine_regs.op_index + uladv)
4205 % linfo.li_max_ops_per_insn;
4206 if (addrdelta)
4207 state_machine_regs.view = 0;
4208 printf (_(" Advance PC by constant %s to 0x%s[%d]%s\n"),
4209 dwarf_vmatoa ("u", uladv),
4210 dwarf_vmatoa ("x", state_machine_regs.address),
4211 state_machine_regs.op_index,
4212 verbose_view && addrdelta
4213 ? _(" (reset view)") : "");
4214 }
4215 break;
4216
4217 case DW_LNS_fixed_advance_pc:
4218 SAFE_BYTE_GET_AND_INC (uladv, data, 2, end);
4219 state_machine_regs.address += uladv;
4220 state_machine_regs.op_index = 0;
4221 printf (_(" Advance PC by fixed size amount %s to 0x%s\n"),
4222 dwarf_vmatoa ("u", uladv),
4223 dwarf_vmatoa ("x", state_machine_regs.address));
4224 /* Do NOT reset view. */
4225 break;
4226
4227 case DW_LNS_set_prologue_end:
4228 printf (_(" Set prologue_end to true\n"));
4229 break;
4230
4231 case DW_LNS_set_epilogue_begin:
4232 printf (_(" Set epilogue_begin to true\n"));
4233 break;
4234
4235 case DW_LNS_set_isa:
4236 READ_ULEB (uladv, data, end);
4237 printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv));
4238 break;
4239
4240 default:
4241 printf (_(" Unknown opcode %d with operands: "), op_code);
4242
4243 if (standard_opcodes != NULL)
4244 for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
4245 {
4246 READ_ULEB (uladv, data, end);
4247 printf ("0x%s%s", dwarf_vmatoa ("x", uladv),
4248 i == 1 ? "" : ", ");
4249 }
4250 putchar ('\n');
4251 break;
4252 }
19e6b90e 4253 }
b40bf0a2 4254 putchar ('\n');
19e6b90e 4255 }
19e6b90e
L		 4256 }
4257
4258 return 1;
4259}
4260
a262ae96
NC		 4261typedef struct
4262{
467c65bc
NC		 4263 unsigned char *name;
4264 unsigned int directory_index;
4265 unsigned int modification_date;
4266 unsigned int length;
a262ae96
NC		 4267} File_Entry;
4268
4269/* Output a decoded representation of the .debug_line section. */
4270
4271static int
dda8d76d 4272display_debug_lines_decoded (struct dwarf_section * section,
ec1b0fbb 4273 unsigned char * start,
dda8d76d
NC		 4274 unsigned char * data,
4275 unsigned char * end,
4276 void * fileptr)
a262ae96 4277{
b40bf0a2
NC		 4278 static DWARF2_Internal_LineInfo saved_linfo;
4279
dda8d76d 4280 introduce (section, FALSE);
a262ae96
NC		 4281
4282 while (data < end)
4283 {
4284 /* This loop amounts to one iteration per compilation unit. */
91d6fa6a 4285 DWARF2_Internal_LineInfo linfo;
a262ae96
NC		 4286 unsigned char *standard_opcodes;
4287 unsigned char *end_of_sequence;
a262ae96
NC		 4288 int i;
4289 File_Entry *file_table = NULL;
143a3db0 4290 unsigned int n_files = 0;
a262ae96 4291 unsigned char **directory_table = NULL;
77145576 4292 dwarf_vma n_directories = 0;
a262ae96 4293
4925cdd7
NC		 4294 if (const_strneq (section->name, ".debug_line.")
4295 /* Note: the following does not apply to .debug_line.dwo sections.
4296 These are full debug_line sections. */
4297 && strcmp (section->name, ".debug_line.dwo") != 0)
b4eb7656 4298 {
4925cdd7 4299 /* See comment in display_debug_lines_raw(). */
b40bf0a2
NC		 4300 end_of_sequence = end;
4301 standard_opcodes = NULL;
4302 linfo = saved_linfo;
058037d3
NC		 4303 /* PR 17531: file: 0522b371. */
4304 if (linfo.li_line_range == 0)
4305 {
1306a742 4306 warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n"));
058037d3
NC		 4307 return 0;
4308 }
b40bf0a2 4309 reset_state_machine (linfo.li_default_is_stmt);
b4eb7656 4310 }
a262ae96 4311 else
b4eb7656 4312 {
b40bf0a2 4313 unsigned char *hdrptr;
a262ae96 4314
b40bf0a2
NC		 4315 if ((hdrptr = read_debug_line_header (section, data, end, & linfo,
4316 & end_of_sequence)) == NULL)
a233b20c 4317 return 0;
0c588247 4318
058037d3
NC		 4319 /* PR 17531: file: 0522b371. */
4320 if (linfo.li_line_range == 0)
4321 {
4322 warn (_("Line range of 0 is invalid, using 1 instead\n"));
4323 linfo.li_line_range = 1;
4324 }
b40bf0a2 4325 reset_state_machine (linfo.li_default_is_stmt);
a262ae96 4326
b40bf0a2
NC		 4327 /* Save a pointer to the contents of the Opcodes table. */
4328 standard_opcodes = hdrptr;
a262ae96 4329
b40bf0a2
NC		 4330 /* Traverse the Directory table just to count entries. */
4331 data = standard_opcodes + linfo.li_opcode_base - 1;
d8024a91
NC		 4332 /* PR 20440 */
4333 if (data >= end)
4334 {
4335 warn (_("opcode base of %d extends beyond end of section\n"),
4336 linfo.li_opcode_base);
4337 return 0;
4338 }
4339
77145576 4340 if (linfo.li_version >= 5)
b40bf0a2 4341 {
77145576
JK		 4342 unsigned char *format_start, format_count, *format;
4343 dwarf_vma formati, entryi;
a262ae96 4344
dda8d76d 4345 load_debug_section_with_follow (line_str, fileptr);
77145576
JK		 4346
4347 /* Skip directories format. */
4348 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
4349 format_start = data;
4350 for (formati = 0; formati < format_count; formati++)
b40bf0a2 4351 {
cd30bcef
AM		 4352 SKIP_ULEB (data, end);
4353 SKIP_ULEB (data, end);
b40bf0a2 4354 }
a262ae96 4355
cd30bcef 4356 READ_ULEB (n_directories, data, end);
77145576 4357 if (data == end)
d8024a91 4358 {
77145576 4359 warn (_("Corrupt directories list\n"));
d8024a91
NC		 4360 break;
4361 }
4362
b40bf0a2
NC		 4363 directory_table = (unsigned char **)
4364 xmalloc (n_directories * sizeof (unsigned char *));
a262ae96 4365
77145576 4366 for (entryi = 0; entryi < n_directories; entryi++)
b40bf0a2 4367 {
77145576 4368 unsigned char **pathp = &directory_table[entryi];
a262ae96 4369
77145576
JK		 4370 format = format_start;
4371 for (formati = 0; formati < format_count; formati++)
4372 {
4373 dwarf_vma content_type, form;
4374 dwarf_vma uvalue;
4375
cd30bcef
AM		 4376 READ_ULEB (content_type, format, end);
4377 READ_ULEB (form, format, end);
77145576
JK		 4378 if (data == end)
4379 {
4380 warn (_("Corrupt directories list\n"));
4381 break;
4382 }
4383 switch (content_type)
4384 {
4385 case DW_LNCT_path:
4386 switch (form)
4387 {
4388 case DW_FORM_string:
4389 *pathp = data;
4390 break;
4391 case DW_FORM_line_strp:
4392 SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size,
4393 end);
4394 /* Remove const by the cast. */
4395 *pathp = (unsigned char *)
4396 fetch_indirect_line_string (uvalue);
4397 break;
4398 }
4399 break;
4400 }
cd30bcef
AM		 4401 data = read_and_display_attr_value (0, form, 0, start,
4402 data, end, 0, 0,
77145576
JK		 4403 linfo.li_offset_size,
4404 linfo.li_version,
4405 NULL, 1, section,
ec1b0fbb 4406 NULL, '\t', -1);
77145576
JK		 4407 }
4408 if (data == end)
4409 {
4410 warn (_("Corrupt directories list\n"));
4411 break;
4412 }
4413 }
a262ae96 4414
77145576
JK		 4415 /* Skip files format. */
4416 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
4417 format_start = data;
4418 for (formati = 0; formati < format_count; formati++)
b40bf0a2 4419 {
cd30bcef
AM		 4420 SKIP_ULEB (data, end);
4421 SKIP_ULEB (data, end);
b40bf0a2 4422 }
a262ae96 4423
cd30bcef 4424 READ_ULEB (n_files, data, end);
77145576 4425 if (data == end)
d8024a91 4426 {
77145576 4427 warn (_("Corrupt file name list\n"));
d8024a91
NC		 4428 break;
4429 }
4430
77145576
JK		 4431 file_table = (File_Entry *) xcalloc (1, n_files
4432 * sizeof (File_Entry));
a262ae96 4433
77145576 4434 for (entryi = 0; entryi < n_files; entryi++)
b40bf0a2 4435 {
77145576 4436 File_Entry *file = &file_table[entryi];
a262ae96 4437
77145576
JK		 4438 format = format_start;
4439 for (formati = 0; formati < format_count; formati++)
4440 {
4441 dwarf_vma content_type, form;
4442 dwarf_vma uvalue;
cd30bcef 4443 unsigned char *tmp;
77145576 4444
cd30bcef
AM		 4445 READ_ULEB (content_type, format, end);
4446 READ_ULEB (form, format, end);
77145576
JK		 4447 if (data == end)
4448 {
4449 warn (_("Corrupt file name list\n"));
4450 break;
4451 }
4452 switch (content_type)
4453 {
4454 case DW_LNCT_path:
4455 switch (form)
4456 {
4457 case DW_FORM_string:
4458 file->name = data;
4459 break;
4460 case DW_FORM_line_strp:
4461 SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size,
4462 end);
4463 /* Remove const by the cast. */
4464 file->name = (unsigned char *)
4465 fetch_indirect_line_string (uvalue);
4466 break;
4467 }
4468 break;
4469 case DW_LNCT_directory_index:
4470 switch (form)
4471 {
4472 case DW_FORM_data1:
4473 SAFE_BYTE_GET (file->directory_index, data, 1,
4474 end);
4475 break;
4476 case DW_FORM_data2:
4477 SAFE_BYTE_GET (file->directory_index, data, 2,
4478 end);
4479 break;
4480 case DW_FORM_udata:
cd30bcef
AM		 4481 tmp = data;
4482 READ_ULEB (file->directory_index, tmp, end);
77145576
JK		 4483 break;
4484 }
4485 break;
4486 }
cd30bcef
AM		 4487 data = read_and_display_attr_value (0, form, 0, start,
4488 data, end, 0, 0,
77145576
JK		 4489 linfo.li_offset_size,
4490 linfo.li_version,
4491 NULL, 1, section,
ec1b0fbb 4492 NULL, '\t', -1);
77145576
JK		 4493 }
4494 if (data == end)
4495 {
4496 warn (_("Corrupt file name list\n"));
4497 break;
4498 }
4499 }
4500 }
4501 else
4502 {
4503 if (*data != 0)
b40bf0a2 4504 {
77145576
JK		 4505 unsigned char *ptr_directory_table = data;
4506
4507 while (data < end && *data != 0)
4508 {
4509 data += strnlen ((char *) data, end - data) + 1;
4510 n_directories++;
4511 }
4512
4513 /* PR 20440 */
4514 if (data >= end)
4515 {
4516 warn (_("directory table ends unexpectedly\n"));
4517 n_directories = 0;
4518 break;
4519 }
4520
4521 /* Go through the directory table again to save the directories. */
4522 directory_table = (unsigned char **)
4523 xmalloc (n_directories * sizeof (unsigned char *));
4524
4525 i = 0;
4526 while (*ptr_directory_table != 0)
4527 {
4528 directory_table[i] = ptr_directory_table;
4529 ptr_directory_table += strnlen ((char *) ptr_directory_table,
4530 ptr_directory_table - end) + 1;
4531 i++;
4532 }
b40bf0a2 4533 }
77145576
JK		 4534 /* Skip the NUL at the end of the table. */
4535 data++;
4536
4537 /* Traverse the File Name table just to count the entries. */
4538 if (data < end && *data != 0)
b40bf0a2 4539 {
77145576
JK		 4540 unsigned char *ptr_file_name_table = data;
4541
4542 while (data < end && *data != 0)
db9537d2 4543 {
cd30bcef
AM		 4544 /* Skip Name, directory index, last modification
4545 time and length of file. */
77145576 4546 data += strnlen ((char *) data, end - data) + 1;
cd30bcef
AM		 4547 SKIP_ULEB (data, end);
4548 SKIP_ULEB (data, end);
4549 SKIP_ULEB (data, end);
77145576 4550 n_files++;
db9537d2 4551 }
a262ae96 4552
77145576
JK		 4553 if (data >= end)
4554 {
4555 warn (_("file table ends unexpectedly\n"));
4556 n_files = 0;
4557 break;
4558 }
4559
4560 /* Go through the file table again to save the strings. */
4561 file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry));
0c588247 4562
77145576
JK		 4563 i = 0;
4564 while (*ptr_file_name_table != 0)
4565 {
77145576
JK		 4566 file_table[i].name = ptr_file_name_table;
4567 ptr_file_name_table += strnlen ((char *) ptr_file_name_table,
4568 end - ptr_file_name_table) + 1;
4569
4570 /* We are not interested in directory, time or size. */
cd30bcef
AM		 4571 READ_ULEB (file_table[i].directory_index,
4572 ptr_file_name_table, end);
4573 READ_ULEB (file_table[i].modification_date,
4574 ptr_file_name_table, end);
4575 READ_ULEB (file_table[i].length,
4576 ptr_file_name_table, end);
77145576
JK		 4577 i++;
4578 }
4579 i = 0;
b40bf0a2 4580 }
77145576
JK		 4581
4582 /* Skip the NUL at the end of the table. */
4583 data++;
b40bf0a2 4584 }
cc5914eb 4585
77145576 4586 /* Print the Compilation Unit's name and a header. */
f082820d
AM		 4587 if (file_table == NULL)
4588 ;
4589 else if (directory_table == NULL)
4590 printf (_("CU: %s:\n"), file_table[0].name);
77145576
JK		 4591 else
4592 {
4593 unsigned int ix = file_table[0].directory_index;
4594 const char *directory;
4595
4596 if (ix == 0)
4597 directory = ".";
4598 /* PR 20439 */
4599 else if (n_directories == 0)
4600 directory = _("<unknown>");
4601 else if (ix > n_directories)
4602 {
4603 warn (_("directory index %u > number of directories %s\n"),
4604 ix, dwarf_vmatoa ("u", n_directories));
4605 directory = _("<corrupt>");
4606 }
4607 else
4608 directory = (char *) directory_table[ix - 1];
4609
4610 if (do_wide || strlen (directory) < 76)
4611 printf (_("CU: %s/%s:\n"), directory, file_table[0].name);
4612 else
4613 printf ("%s:\n", file_table[0].name);
77145576 4614 }
a262ae96 4615
17f6ade2 4616 printf (_("File name Line number Starting address View Stmt\n"));
b40bf0a2
NC		 4617 saved_linfo = linfo;
4618 }
a262ae96
NC		 4619
4620 /* This loop iterates through the Dwarf Line Number Program. */
4621 while (data < end_of_sequence)
b4eb7656 4622 {
a262ae96 4623 unsigned char op_code;
ba8826a8 4624 int xop;
b4eb7656
AM		 4625 int adv;
4626 unsigned long int uladv;
b4eb7656 4627 int is_special_opcode = 0;
a262ae96 4628
b4eb7656 4629 op_code = *data++;
ba8826a8 4630 xop = op_code;
a262ae96 4631
b4eb7656 4632 if (op_code >= linfo.li_opcode_base)
a262ae96 4633 {
91d6fa6a 4634 op_code -= linfo.li_opcode_base;
a233b20c
JJ		 4635 uladv = (op_code / linfo.li_line_range);
4636 if (linfo.li_max_ops_per_insn == 1)
4637 {
4638 uladv *= linfo.li_min_insn_length;
4639 state_machine_regs.address += uladv;
ba8826a8
AO		 4640 if (uladv)
4641 state_machine_regs.view = 0;
a233b20c
JJ		 4642 }
4643 else
4644 {
ba8826a8
AO		 4645 unsigned addrdelta
4646 = ((state_machine_regs.op_index + uladv)
4647 / linfo.li_max_ops_per_insn)
b40bf0a2 4648 * linfo.li_min_insn_length;
ba8826a8
AO		 4649 state_machine_regs.address
4650 += addrdelta;
a233b20c
JJ		 4651 state_machine_regs.op_index
4652 = (state_machine_regs.op_index + uladv)
b40bf0a2 4653 % linfo.li_max_ops_per_insn;
ba8826a8
AO		 4654 if (addrdelta)
4655 state_machine_regs.view = 0;
a233b20c 4656 }
a262ae96 4657
b4eb7656
AM		 4658 adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
4659 state_machine_regs.line += adv;
4660 is_special_opcode = 1;
ba8826a8 4661 /* Increment view after printing this row. */
b4eb7656 4662 }
cd30bcef
AM		 4663 else
4664 switch (op_code)
4665 {
4666 case DW_LNS_extended_op:
4667 {
4668 unsigned int ext_op_code_len;
4669 unsigned char ext_op_code;
4670 unsigned char *op_code_end;
4671 unsigned char *op_code_data = data;
4672
4673 READ_ULEB (ext_op_code_len, op_code_data, end_of_sequence);
4674 op_code_end = op_code_data + ext_op_code_len;
4675 if (ext_op_code_len == 0 || op_code_end > end_of_sequence)
4676 {
4677 warn (_("Badly formed extended line op encountered!\n"));
4678 break;
4679 }
4680 ext_op_code = *op_code_data++;
4681 xop = ext_op_code;
4682 xop = -xop;
4683
4684 switch (ext_op_code)
4685 {
4686 case DW_LNE_end_sequence:
4687 /* Reset stuff after printing this row. */
4688 break;
4689 case DW_LNE_set_address:
4690 SAFE_BYTE_GET_AND_INC (state_machine_regs.address,
4691 op_code_data,
4692 op_code_end - op_code_data,
4693 op_code_end);
4694 state_machine_regs.op_index = 0;
4695 state_machine_regs.view = 0;
4696 break;
4697 case DW_LNE_define_file:
4698 file_table = (File_Entry *) xrealloc
4699 (file_table, (n_files + 1) * sizeof (File_Entry));
4700
4701 ++state_machine_regs.last_file_entry;
4702 /* Source file name. */
4703 file_table[n_files].name = op_code_data;
4704 op_code_data += strlen ((char *) op_code_data) + 1;
4705 /* Directory index. */
4706 READ_ULEB (file_table[n_files].directory_index,
4707 op_code_data, op_code_end);
4708 /* Last modification time. */
4709 READ_ULEB (file_table[n_files].modification_date,
4710 op_code_data, op_code_end);
4711 /* File length. */
4712 READ_ULEB (file_table[n_files].length,
4713 op_code_data, op_code_end);
4714 n_files++;
4715 break;
4716
4717 case DW_LNE_set_discriminator:
4718 case DW_LNE_HP_set_sequence:
4719 /* Simply ignored. */
4720 break;
4721
4722 default:
4723 printf (_("UNKNOWN (%u): length %ld\n"),
27653fba 4724 ext_op_code, (long int) (op_code_data - data));
cd30bcef
AM		 4725 break;
4726 }
4727 data = op_code_end;
4728 break;
4729 }
4730 case DW_LNS_copy:
4731 /* Increment view after printing this row. */
4732 break;
4733
4734 case DW_LNS_advance_pc:
4735 READ_ULEB (uladv, data, end);
4736 if (linfo.li_max_ops_per_insn == 1)
4737 {
4738 uladv *= linfo.li_min_insn_length;
4739 state_machine_regs.address += uladv;
4740 if (uladv)
4741 state_machine_regs.view = 0;
4742 }
4743 else
4744 {
4745 unsigned addrdelta
4746 = ((state_machine_regs.op_index + uladv)
4747 / linfo.li_max_ops_per_insn)
4748 * linfo.li_min_insn_length;
4749 state_machine_regs.address
4750 += addrdelta;
4751 state_machine_regs.op_index
4752 = (state_machine_regs.op_index + uladv)
4753 % linfo.li_max_ops_per_insn;
4754 if (addrdelta)
4755 state_machine_regs.view = 0;
4756 }
4757 break;
4758
4759 case DW_LNS_advance_line:
4760 READ_SLEB (adv, data, end);
4761 state_machine_regs.line += adv;
4762 break;
4763
4764 case DW_LNS_set_file:
4765 READ_ULEB (uladv, data, end);
4766 state_machine_regs.file = uladv;
4767
4768 {
4769 unsigned file = state_machine_regs.file - 1;
4770 unsigned dir;
4771
4772 if (file_table == NULL || n_files == 0)
4773 printf (_("\n [Use file table entry %d]\n"), file);
4774 /* PR 20439 */
4775 else if (file >= n_files)
4776 {
4777 warn (_("file index %u > number of files %u\n"), file + 1, n_files);
4778 printf (_("\n <over large file table index %u>"), file);
4779 }
4780 else if ((dir = file_table[file].directory_index) == 0)
4781 /* If directory index is 0, that means current directory. */
4782 printf ("\n./%s:[++]\n", file_table[file].name);
4783 else if (directory_table == NULL || n_directories == 0)
4784 printf (_("\n [Use file %s in directory table entry %d]\n"),
4785 file_table[file].name, dir);
4786 /* PR 20439 */
4787 else if (dir > n_directories)
4788 {
4789 warn (_("directory index %u > number of directories %s\n"),
4790 dir, dwarf_vmatoa ("u", n_directories));
4791 printf (_("\n <over large directory table entry %u>\n"), dir);
4792 }
4793 else
4794 printf ("\n%s/%s:\n",
4795 /* The directory index starts counting at 1. */
4796 directory_table[dir - 1], file_table[file].name);
4797 }
4798 break;
4799
4800 case DW_LNS_set_column:
4801 READ_ULEB (uladv, data, end);
4802 state_machine_regs.column = uladv;
4803 break;
4804
4805 case DW_LNS_negate_stmt:
4806 adv = state_machine_regs.is_stmt;
4807 adv = ! adv;
4808 state_machine_regs.is_stmt = adv;
4809 break;
4810
4811 case DW_LNS_set_basic_block:
4812 state_machine_regs.basic_block = 1;
4813 break;
4814
4815 case DW_LNS_const_add_pc:
4816 uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
4817 if (linfo.li_max_ops_per_insn == 1)
4818 {
4819 uladv *= linfo.li_min_insn_length;
4820 state_machine_regs.address += uladv;
4821 if (uladv)
4822 state_machine_regs.view = 0;
4823 }
4824 else
4825 {
4826 unsigned addrdelta
4827 = ((state_machine_regs.op_index + uladv)
4828 / linfo.li_max_ops_per_insn)
4829 * linfo.li_min_insn_length;
4830 state_machine_regs.address
4831 += addrdelta;
4832 state_machine_regs.op_index
4833 = (state_machine_regs.op_index + uladv)
4834 % linfo.li_max_ops_per_insn;
4835 if (addrdelta)
4836 state_machine_regs.view = 0;
4837 }
4838 break;
4839
4840 case DW_LNS_fixed_advance_pc:
4841 SAFE_BYTE_GET_AND_INC (uladv, data, 2, end);
4842 state_machine_regs.address += uladv;
4843 state_machine_regs.op_index = 0;
4844 /* Do NOT reset view. */
4845 break;
4846
4847 case DW_LNS_set_prologue_end:
4848 break;
4849
4850 case DW_LNS_set_epilogue_begin:
4851 break;
4852
4853 case DW_LNS_set_isa:
4854 READ_ULEB (uladv, data, end);
4855 printf (_(" Set ISA to %lu\n"), uladv);
4856 break;
4857
4858 default:
4859 printf (_(" Unknown opcode %d with operands: "), op_code);
4860
4861 if (standard_opcodes != NULL)
4862 for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
4863 {
4864 dwarf_vma val;
4865
4866 READ_ULEB (val, data, end);
4867 printf ("0x%s%s", dwarf_vmatoa ("x", val),
4868 i == 1 ? "" : ", ");
4869 }
4870 putchar ('\n');
4871 break;
4872 }
a262ae96 4873
b4eb7656
AM		 4874 /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row
4875 to the DWARF address/line matrix. */
ba8826a8
AO		 4876 if ((is_special_opcode) || (xop == -DW_LNE_end_sequence)
4877 || (xop == DW_LNS_copy))
b4eb7656
AM		 4878 {
4879 const unsigned int MAX_FILENAME_LENGTH = 35;
4880 char *fileName;
4881 char *newFileName = NULL;
4882 size_t fileNameLength;
b40bf0a2
NC		 4883
4884 if (file_table)
db9537d2
NC		 4885 {
4886 unsigned indx = state_machine_regs.file - 1;
4887 /* PR 20439 */
4888 if (indx >= n_files)
4889 {
4890 warn (_("corrupt file index %u encountered\n"), indx);
4891 fileName = _("<corrupt>");
4892 }
4893 else
4894 fileName = (char *) file_table[indx].name;
4895 }
b40bf0a2 4896 else
db9537d2 4897 fileName = _("<unknown>");
b40bf0a2
NC		 4898
4899 fileNameLength = strlen (fileName);
a262ae96 4900
b4eb7656
AM		 4901 if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide))
4902 {
4903 newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1);
4904 /* Truncate file name */
4905 strncpy (newFileName,
4906 fileName + fileNameLength - MAX_FILENAME_LENGTH,
4907 MAX_FILENAME_LENGTH + 1);
4908 }
4909 else
4910 {
4911 newFileName = (char *) xmalloc (fileNameLength + 1);
4912 strncpy (newFileName, fileName, fileNameLength + 1);
4913 }
4914
4915 if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH))
4916 {
a233b20c 4917 if (linfo.li_max_ops_per_insn == 1)
ba8826a8 4918 printf ("%-35s %11d %#18" DWARF_VMA_FMT "x",
467c65bc 4919 newFileName, state_machine_regs.line,
a233b20c
JJ		 4920 state_machine_regs.address);
4921 else
ba8826a8 4922 printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]",
467c65bc 4923 newFileName, state_machine_regs.line,
a233b20c
JJ		 4924 state_machine_regs.address,
4925 state_machine_regs.op_index);
b4eb7656
AM		 4926 }
4927 else
4928 {
a233b20c 4929 if (linfo.li_max_ops_per_insn == 1)
ba8826a8 4930 printf ("%s %11d %#18" DWARF_VMA_FMT "x",
467c65bc 4931 newFileName, state_machine_regs.line,
a233b20c
JJ		 4932 state_machine_regs.address);
4933 else
ba8826a8 4934 printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]",
467c65bc 4935 newFileName, state_machine_regs.line,
a233b20c
JJ		 4936 state_machine_regs.address,
4937 state_machine_regs.op_index);
b4eb7656 4938 }
a262ae96 4939
ba8826a8 4940 if (state_machine_regs.view)
17f6ade2 4941 printf (" %6u", state_machine_regs.view);
ba8826a8 4942 else
17f6ade2
JD		 4943 printf (" ");
4944
4945 if (state_machine_regs.is_stmt)
4946 printf (" x");
4947
4948 putchar ('\n');
ba8826a8
AO		 4949 state_machine_regs.view++;
4950
4951 if (xop == -DW_LNE_end_sequence)
4952 {
4953 reset_state_machine (linfo.li_default_is_stmt);
4954 putchar ('\n');
4955 }
a262ae96 4956
b4eb7656
AM		 4957 free (newFileName);
4958 }
4959 }
b40bf0a2
NC		 4960
4961 if (file_table)
4962 {
4963 free (file_table);
4964 file_table = NULL;
4965 n_files = 0;
4966 }
4967
4968 if (directory_table)
4969 {
4970 free (directory_table);
4971 directory_table = NULL;
4972 n_directories = 0;
4973 }
4974
a262ae96
NC		 4975 putchar ('\n');
4976 }
4977
4978 return 1;
4979}
4980
4981static int
77145576 4982display_debug_lines (struct dwarf_section *section, void *file)
a262ae96
NC		 4983{
4984 unsigned char *data = section->start;
4985 unsigned char *end = data + section->size;
4cb93e3b
TG		 4986 int retValRaw = 1;
4987 int retValDecoded = 1;
a262ae96 4988
008f4c78
NC		 4989 if (do_debug_lines == 0)
4990 do_debug_lines |= FLAG_DEBUG_LINES_RAW;
4991
4cb93e3b 4992 if (do_debug_lines & FLAG_DEBUG_LINES_RAW)
77145576 4993 retValRaw = display_debug_lines_raw (section, data, end, file);
a262ae96 4994
4cb93e3b 4995 if (do_debug_lines & FLAG_DEBUG_LINES_DECODED)
ec1b0fbb 4996 retValDecoded = display_debug_lines_decoded (section, data, data, end, file);
a262ae96 4997
4cb93e3b 4998 if (!retValRaw || !retValDecoded)
a262ae96
NC		 4999 return 0;
5000
5001 return 1;
5002}
5003
6e3d6dc1
NC		 5004static debug_info *
5005find_debug_info_for_offset (unsigned long offset)
5006{
5007 unsigned int i;
5008
5009 if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE)
5010 return NULL;
5011
5012 for (i = 0; i < num_debug_info_entries; i++)
5013 if (debug_information[i].cu_offset == offset)
5014 return debug_information + i;
5015
5016 return NULL;
5017}
5018
459d52c8
DE		 5019static const char *
5020get_gdb_index_symbol_kind_name (gdb_index_symbol_kind kind)
5021{
5022 /* See gdb/gdb-index.h. */
5023 static const char * const kinds[] =
5024 {
5025 N_ ("no info"),
5026 N_ ("type"),
5027 N_ ("variable"),
5028 N_ ("function"),
5029 N_ ("other"),
5030 N_ ("unused5"),
5031 N_ ("unused6"),
5032 N_ ("unused7")
5033 };
5034
5035 return _ (kinds[kind]);
5036}
5037
19e6b90e 5038static int
459d52c8
DE		 5039display_debug_pubnames_worker (struct dwarf_section *section,
5040 void *file ATTRIBUTE_UNUSED,
5041 int is_gnu)
19e6b90e 5042{
91d6fa6a 5043 DWARF2_Internal_PubNames names;
19e6b90e
L		 5044 unsigned char *start = section->start;
5045 unsigned char *end = start + section->size;
5046
6e3d6dc1
NC		 5047 /* It does not matter if this load fails,
5048 we test for that later on. */
5049 load_debug_info (file);
5050
dda8d76d 5051 introduce (section, FALSE);
19e6b90e
L		 5052
5053 while (start < end)
5054 {
5055 unsigned char *data;
e98fdf1a 5056 unsigned long sec_off;
bf5117e3 5057 unsigned int offset_size, initial_length_size;
19e6b90e 5058
e98fdf1a 5059 SAFE_BYTE_GET_AND_INC (names.pn_length, start, 4, end);
91d6fa6a 5060 if (names.pn_length == 0xffffffff)
19e6b90e 5061 {
e98fdf1a 5062 SAFE_BYTE_GET_AND_INC (names.pn_length, start, 8, end);
19e6b90e
L		 5063 offset_size = 8;
5064 initial_length_size = 12;
5065 }
5066 else
5067 {
5068 offset_size = 4;
5069 initial_length_size = 4;
5070 }
5071
e98fdf1a
AM		 5072 sec_off = start - section->start;
5073 if (sec_off + names.pn_length < sec_off
5074 || sec_off + names.pn_length > section->size)
5075 {
5076 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
5077 section->name,
5078 sec_off - initial_length_size,
5079 dwarf_vmatoa ("x", names.pn_length));
5080 break;
5081 }
5082
5083 data = start;
5084 start += names.pn_length;
5085
0c588247
NC		 5086 SAFE_BYTE_GET_AND_INC (names.pn_version, data, 2, end);
5087 SAFE_BYTE_GET_AND_INC (names.pn_offset, data, offset_size, end);
6e3d6dc1
NC		 5088
5089 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
5090 && num_debug_info_entries > 0
91d6fa6a 5091 && find_debug_info_for_offset (names.pn_offset) == NULL)
6e3d6dc1 5092 warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
47704ddf 5093 (unsigned long) names.pn_offset, section->name);
cecf136e 5094
0c588247 5095 SAFE_BYTE_GET_AND_INC (names.pn_size, data, offset_size, end);
19e6b90e 5096
058037d3
NC		 5097 printf (_(" Length: %ld\n"),
5098 (long) names.pn_length);
5099 printf (_(" Version: %d\n"),
5100 names.pn_version);
5101 printf (_(" Offset into .debug_info section: 0x%lx\n"),
5102 (unsigned long) names.pn_offset);
5103 printf (_(" Size of area in .debug_info section: %ld\n"),
5104 (long) names.pn_size);
19e6b90e 5105
91d6fa6a 5106 if (names.pn_version != 2 && names.pn_version != 3)
19e6b90e
L		 5107 {
5108 static int warned = 0;
5109
5110 if (! warned)
5111 {
5112 warn (_("Only DWARF 2 and 3 pubnames are currently supported\n"));
5113 warned = 1;
5114 }
5115
5116 continue;
5117 }
5118
459d52c8
DE		 5119 if (is_gnu)
5120 printf (_("\n Offset Kind Name\n"));
5121 else
5122 printf (_("\n Offset\tName\n"));
19e6b90e 5123
e98fdf1a 5124 while (1)
19e6b90e 5125 {
f41e4712 5126 bfd_size_type maxprint;
e98fdf1a 5127 dwarf_vma offset;
f41e4712 5128
0c588247 5129 SAFE_BYTE_GET (offset, data, offset_size, end);
19e6b90e 5130
e98fdf1a
AM		 5131 if (offset == 0)
5132 break;
b4eb7656 5133
e98fdf1a
AM		 5134 data += offset_size;
5135 if (data >= end)
5136 break;
5137 maxprint = (end - data) - 1;
f41e4712 5138
e98fdf1a
AM		 5139 if (is_gnu)
5140 {
5141 unsigned int kind_data;
5142 gdb_index_symbol_kind kind;
5143 const char *kind_name;
5144 int is_static;
5145
5146 SAFE_BYTE_GET (kind_data, data, 1, end);
5147 data++;
5148 maxprint --;
5149 /* GCC computes the kind as the upper byte in the CU index
5150 word, and then right shifts it by the CU index size.
5151 Left shift KIND to where the gdb-index.h accessor macros
5152 can use it. */
5153 kind_data <<= GDB_INDEX_CU_BITSIZE;
5154 kind = GDB_INDEX_SYMBOL_KIND_VALUE (kind_data);
5155 kind_name = get_gdb_index_symbol_kind_name (kind);
5156 is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (kind_data);
5157 printf (" %-6lx %s,%-10s %.*s\n",
5158 (unsigned long) offset, is_static ? _("s") : _("g"),
5159 kind_name, (int) maxprint, data);
19e6b90e 5160 }
e98fdf1a
AM		 5161 else
5162 printf (" %-6lx\t%.*s\n",
5163 (unsigned long) offset, (int) maxprint, data);
5164
5165 data += strnlen ((char *) data, maxprint) + 1;
5166 if (data >= end)
5167 break;
19e6b90e 5168 }
19e6b90e
L		 5169 }
5170
5171 printf ("\n");
5172 return 1;
5173}
5174
459d52c8
DE		 5175static int
5176display_debug_pubnames (struct dwarf_section *section, void *file)
5177{
5178 return display_debug_pubnames_worker (section, file, 0);
5179}
5180
5181static int
5182display_debug_gnu_pubnames (struct dwarf_section *section, void *file)
5183{
5184 return display_debug_pubnames_worker (section, file, 1);
5185}
5186
19e6b90e
L		 5187static int
5188display_debug_macinfo (struct dwarf_section *section,
5189 void *file ATTRIBUTE_UNUSED)
5190{
5191 unsigned char *start = section->start;
5192 unsigned char *end = start + section->size;
5193 unsigned char *curr = start;
19e6b90e
L		 5194 enum dwarf_macinfo_record_type op;
5195
dda8d76d 5196 introduce (section, FALSE);
19e6b90e
L		 5197
5198 while (curr < end)
5199 {
5200 unsigned int lineno;
0c588247 5201 const unsigned char *string;
19e6b90e 5202
3f5e193b 5203 op = (enum dwarf_macinfo_record_type) *curr;
19e6b90e
L		 5204 curr++;
5205
5206 switch (op)
5207 {
5208 case DW_MACINFO_start_file:
5209 {
5210 unsigned int filenum;
5211
cd30bcef
AM		 5212 READ_ULEB (lineno, curr, end);
5213 READ_ULEB (filenum, curr, end);
19e6b90e
L		 5214 printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"),
5215 lineno, filenum);
5216 }
5217 break;
5218
5219 case DW_MACINFO_end_file:
5220 printf (_(" DW_MACINFO_end_file\n"));
5221 break;
5222
5223 case DW_MACINFO_define:
cd30bcef 5224 READ_ULEB (lineno, curr, end);
0c588247
NC		 5225 string = curr;
5226 curr += strnlen ((char *) string, end - string) + 1;
19e6b90e
L		 5227 printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"),
5228 lineno, string);
5229 break;
5230
5231 case DW_MACINFO_undef:
cd30bcef 5232 READ_ULEB (lineno, curr, end);
0c588247
NC		 5233 string = curr;
5234 curr += strnlen ((char *) string, end - string) + 1;
19e6b90e
L		 5235 printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"),
5236 lineno, string);
5237 break;
5238
5239 case DW_MACINFO_vendor_ext:
5240 {
5241 unsigned int constant;
5242
cd30bcef 5243 READ_ULEB (constant, curr, end);
0c588247
NC		 5244 string = curr;
5245 curr += strnlen ((char *) string, end - string) + 1;
19e6b90e
L		 5246 printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"),
5247 constant, string);
5248 }
5249 break;
5250 }
5251 }
5252
5253 return 1;
5254}
5255
4ccf1e31
JJ		 5256/* Given LINE_OFFSET into the .debug_line section, attempt to return
5257 filename and dirname corresponding to file name table entry with index
5258 FILEIDX. Return NULL on failure. */
5259
5260static unsigned char *
f6f0e17b
NC		 5261get_line_filename_and_dirname (dwarf_vma line_offset,
5262 dwarf_vma fileidx,
4ccf1e31
JJ		 5263 unsigned char **dir_name)
5264{
5265 struct dwarf_section *section = &debug_displays [line].section;
5266 unsigned char *hdrptr, *dirtable, *file_name;
5267 unsigned int offset_size, initial_length_size;
cd30bcef 5268 unsigned int version, opcode_base;
4ccf1e31 5269 dwarf_vma length, diridx;
f6f0e17b 5270 const unsigned char * end;
4ccf1e31
JJ		 5271
5272 *dir_name = NULL;
5273 if (section->start == NULL
5274 || line_offset >= section->size
5275 || fileidx == 0)
5276 return NULL;
5277
5278 hdrptr = section->start + line_offset;
f6f0e17b 5279 end = section->start + section->size;
0c588247
NC		 5280
5281 SAFE_BYTE_GET_AND_INC (length, hdrptr, 4, end);
4ccf1e31
JJ		 5282 if (length == 0xffffffff)
5283 {
5284 /* This section is 64-bit DWARF 3. */
0c588247 5285 SAFE_BYTE_GET_AND_INC (length, hdrptr, 8, end);
4ccf1e31
JJ		 5286 offset_size = 8;
5287 initial_length_size = 12;
5288 }
5289 else
5290 {
5291 offset_size = 4;
5292 initial_length_size = 4;
5293 }
e98fdf1a
AM		 5294 if (length + initial_length_size < length
5295 || length + initial_length_size > section->size)
4ccf1e31 5296 return NULL;
0c588247
NC		 5297
5298 SAFE_BYTE_GET_AND_INC (version, hdrptr, 2, end);
4ccf1e31
JJ		 5299 if (version != 2 && version != 3 && version != 4)
5300 return NULL;
5301 hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */
5302 if (version >= 4)
5303 hdrptr++; /* Skip max_ops_per_insn. */
5304 hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */
0c588247
NC		 5305
5306 SAFE_BYTE_GET_AND_INC (opcode_base, hdrptr, 1, end);
4ccf1e31
JJ		 5307 if (opcode_base == 0)
5308 return NULL;
0c588247 5309
4ccf1e31 5310 hdrptr += opcode_base - 1;
5c1c468d
NC		 5311 if (hdrptr >= end)
5312 return NULL;
5313
4ccf1e31
JJ		 5314 dirtable = hdrptr;
5315 /* Skip over dirname table. */
5316 while (*hdrptr != '\0')
5c1c468d
NC		 5317 {
5318 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
5319 if (hdrptr >= end)
5320 return NULL;
5321 }
4ccf1e31 5322 hdrptr++; /* Skip the NUL at the end of the table. */
5c1c468d 5323
4ccf1e31 5324 /* Now skip over preceding filename table entries. */
5c1c468d 5325 for (; hdrptr < end && *hdrptr != '\0' && fileidx > 1; fileidx--)
4ccf1e31 5326 {
0c588247 5327 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
cd30bcef
AM		 5328 SKIP_ULEB (hdrptr, end);
5329 SKIP_ULEB (hdrptr, end);
5330 SKIP_ULEB (hdrptr, end);
4ccf1e31 5331 }
5c1c468d 5332 if (hdrptr >= end || *hdrptr == '\0')
4ccf1e31 5333 return NULL;
5c1c468d 5334
4ccf1e31 5335 file_name = hdrptr;
0c588247 5336 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
5c1c468d
NC		 5337 if (hdrptr >= end)
5338 return NULL;
cd30bcef 5339 READ_ULEB (diridx, hdrptr, end);
4ccf1e31
JJ		 5340 if (diridx == 0)
5341 return file_name;
5c1c468d 5342 for (; dirtable < end && *dirtable != '\0' && diridx > 1; diridx--)
0c588247 5343 dirtable += strnlen ((char *) dirtable, end - dirtable) + 1;
5c1c468d 5344 if (dirtable >= end || *dirtable == '\0')
4ccf1e31
JJ		 5345 return NULL;
5346 *dir_name = dirtable;
5347 return file_name;
5348}
5349
5350static int
5351display_debug_macro (struct dwarf_section *section,
5352 void *file)
5353{
5354 unsigned char *start = section->start;
5355 unsigned char *end = start + section->size;
5356 unsigned char *curr = start;
5357 unsigned char *extended_op_buf[256];
4ccf1e31 5358
dda8d76d
NC		 5359 load_debug_section_with_follow (str, file);
5360 load_debug_section_with_follow (line, file);
4ccf1e31 5361
dda8d76d 5362 introduce (section, FALSE);
4ccf1e31
JJ		 5363
5364 while (curr < end)
5365 {
5366 unsigned int lineno, version, flags;
5367 unsigned int offset_size = 4;
0c588247 5368 const unsigned char *string;
4ccf1e31
JJ		 5369 dwarf_vma line_offset = 0, sec_offset = curr - start, offset;
5370 unsigned char **extended_ops = NULL;
5371
0c588247 5372 SAFE_BYTE_GET_AND_INC (version, curr, 2, end);
7a7e1061 5373 if (version != 4 && version != 5)
4ccf1e31 5374 {
7a7e1061 5375 error (_("Only GNU extension to DWARF 4 or 5 of %s is currently supported.\n"),
4ccf1e31
JJ		 5376 section->name);
5377 return 0;
5378 }
5379
0c588247 5380 SAFE_BYTE_GET_AND_INC (flags, curr, 1, end);
4ccf1e31
JJ		 5381 if (flags & 1)
5382 offset_size = 8;
5383 printf (_(" Offset: 0x%lx\n"),
5384 (unsigned long) sec_offset);
5385 printf (_(" Version: %d\n"), version);
5386 printf (_(" Offset size: %d\n"), offset_size);
5387 if (flags & 2)
5388 {
0c588247 5389 SAFE_BYTE_GET_AND_INC (line_offset, curr, offset_size, end);
4ccf1e31
JJ		 5390 printf (_(" Offset into .debug_line: 0x%lx\n"),
5391 (unsigned long) line_offset);
5392 }
5393 if (flags & 4)
5394 {
0c588247 5395 unsigned int i, count, op;
4ccf1e31 5396 dwarf_vma nargs, n;
0c588247
NC		 5397
5398 SAFE_BYTE_GET_AND_INC (count, curr, 1, end);
bf5117e3 5399
4ccf1e31
JJ		 5400 memset (extended_op_buf, 0, sizeof (extended_op_buf));
5401 extended_ops = extended_op_buf;
5402 if (count)
5403 {
5404 printf (_(" Extension opcode arguments:\n"));
5405 for (i = 0; i < count; i++)
5406 {
0c588247 5407 SAFE_BYTE_GET_AND_INC (op, curr, 1, end);
4ccf1e31 5408 extended_ops[op] = curr;
cd30bcef 5409 READ_ULEB (nargs, curr, end);
4ccf1e31 5410 if (nargs == 0)
7a7e1061 5411 printf (_(" DW_MACRO_%02x has no arguments\n"), op);
4ccf1e31
JJ		 5412 else
5413 {
7a7e1061 5414 printf (_(" DW_MACRO_%02x arguments: "), op);
4ccf1e31
JJ		 5415 for (n = 0; n < nargs; n++)
5416 {
0c588247
NC		 5417 unsigned int form;
5418
5419 SAFE_BYTE_GET_AND_INC (form, curr, 1, end);
4ccf1e31
JJ		 5420 printf ("%s%s", get_FORM_name (form),
5421 n == nargs - 1 ? "\n" : ", ");
5422 switch (form)
5423 {
5424 case DW_FORM_data1:
5425 case DW_FORM_data2:
5426 case DW_FORM_data4:
5427 case DW_FORM_data8:
5428 case DW_FORM_sdata:
5429 case DW_FORM_udata:
5430 case DW_FORM_block:
5431 case DW_FORM_block1:
5432 case DW_FORM_block2:
5433 case DW_FORM_block4:
5434 case DW_FORM_flag:
5435 case DW_FORM_string:
5436 case DW_FORM_strp:
5437 case DW_FORM_sec_offset:
5438 break;
5439 default:
5440 error (_("Invalid extension opcode form %s\n"),
5441 get_FORM_name (form));
5442 return 0;
5443 }
5444 }
5445 }
5446 }
5447 }
5448 }
5449 printf ("\n");
5450
5451 while (1)
5452 {
5453 unsigned int op;
5454
5455 if (curr >= end)
5456 {
5457 error (_(".debug_macro section not zero terminated\n"));
5458 return 0;
5459 }
5460
0c588247 5461 SAFE_BYTE_GET_AND_INC (op, curr, 1, end);
4ccf1e31
JJ		 5462 if (op == 0)
5463 break;
5464
5465 switch (op)
5466 {
7a7e1061 5467 case DW_MACRO_start_file:
4ccf1e31
JJ		 5468 {
5469 unsigned int filenum;
5470 unsigned char *file_name = NULL, *dir_name = NULL;
5471
cd30bcef
AM		 5472 READ_ULEB (lineno, curr, end);
5473 READ_ULEB (filenum, curr, end);
4ccf1e31
JJ		 5474
5475 if ((flags & 2) == 0)
7a7e1061 5476 error (_("DW_MACRO_start_file used, but no .debug_line offset provided.\n"));
4ccf1e31
JJ		 5477 else
5478 file_name
5479 = get_line_filename_and_dirname (line_offset, filenum,
5480 &dir_name);
5481 if (file_name == NULL)
7a7e1061 5482 printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d\n"),
4ccf1e31
JJ		 5483 lineno, filenum);
5484 else
7a7e1061 5485 printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d filename: %s%s%s\n"),
4ccf1e31
JJ		 5486 lineno, filenum,
5487 dir_name != NULL ? (const char *) dir_name : "",
5488 dir_name != NULL ? "/" : "", file_name);
5489 }
5490 break;
5491
7a7e1061
JK		 5492 case DW_MACRO_end_file:
5493 printf (_(" DW_MACRO_end_file\n"));
4ccf1e31
JJ		 5494 break;
5495
7a7e1061 5496 case DW_MACRO_define:
cd30bcef 5497 READ_ULEB (lineno, curr, end);
0c588247
NC		 5498 string = curr;
5499 curr += strnlen ((char *) string, end - string) + 1;
7a7e1061 5500 printf (_(" DW_MACRO_define - lineno : %d macro : %s\n"),
4ccf1e31
JJ		 5501 lineno, string);
5502 break;
5503
7a7e1061 5504 case DW_MACRO_undef:
cd30bcef 5505 READ_ULEB (lineno, curr, end);
0c588247
NC		 5506 string = curr;
5507 curr += strnlen ((char *) string, end - string) + 1;
7a7e1061 5508 printf (_(" DW_MACRO_undef - lineno : %d macro : %s\n"),
4ccf1e31
JJ		 5509 lineno, string);
5510 break;
5511
7a7e1061 5512 case DW_MACRO_define_strp:
cd30bcef 5513 READ_ULEB (lineno, curr, end);
0c588247 5514 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
4ccf1e31 5515 string = fetch_indirect_string (offset);
7a7e1061 5516 printf (_(" DW_MACRO_define_strp - lineno : %d macro : %s\n"),
4ccf1e31
JJ		 5517 lineno, string);
5518 break;
5519
7a7e1061 5520 case DW_MACRO_undef_strp:
cd30bcef 5521 READ_ULEB (lineno, curr, end);
0c588247 5522 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
4ccf1e31 5523 string = fetch_indirect_string (offset);
7a7e1061 5524 printf (_(" DW_MACRO_undef_strp - lineno : %d macro : %s\n"),
4ccf1e31
JJ		 5525 lineno, string);
5526 break;
5527
7a7e1061 5528 case DW_MACRO_import:
0c588247 5529 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
7a7e1061 5530 printf (_(" DW_MACRO_import - offset : 0x%lx\n"),
4ccf1e31
JJ		 5531 (unsigned long) offset);
5532 break;
5533
7a7e1061 5534 case DW_MACRO_define_sup:
cd30bcef 5535 READ_ULEB (lineno, curr, end);
0c588247 5536 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
7a7e1061 5537 printf (_(" DW_MACRO_define_sup - lineno : %d macro offset : 0x%lx\n"),
a081f3cd
JJ		 5538 lineno, (unsigned long) offset);
5539 break;
5540
7a7e1061 5541 case DW_MACRO_undef_sup:
cd30bcef 5542 READ_ULEB (lineno, curr, end);
0c588247 5543 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
7a7e1061 5544 printf (_(" DW_MACRO_undef_sup - lineno : %d macro offset : 0x%lx\n"),
a081f3cd
JJ		 5545 lineno, (unsigned long) offset);
5546 break;
5547
7a7e1061 5548 case DW_MACRO_import_sup:
0c588247 5549 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
7a7e1061 5550 printf (_(" DW_MACRO_import_sup - offset : 0x%lx\n"),
a081f3cd
JJ		 5551 (unsigned long) offset);
5552 break;
5553
4ccf1e31
JJ		 5554 default:
5555 if (extended_ops == NULL || extended_ops[op] == NULL)
5556 {
5557 error (_(" Unknown macro opcode %02x seen\n"), op);
5558 return 0;
5559 }
5560 else
5561 {
5562 /* Skip over unhandled opcodes. */
5563 dwarf_vma nargs, n;
5564 unsigned char *desc = extended_ops[op];
cd30bcef 5565 READ_ULEB (nargs, desc, end);
4ccf1e31
JJ		 5566 if (nargs == 0)
5567 {
7a7e1061 5568 printf (_(" DW_MACRO_%02x\n"), op);
4ccf1e31
JJ		 5569 break;
5570 }
7a7e1061 5571 printf (_(" DW_MACRO_%02x -"), op);
4ccf1e31
JJ		 5572 for (n = 0; n < nargs; n++)
5573 {
0c588247
NC		 5574 int val;
5575
77145576 5576 /* DW_FORM_implicit_const is not expected here. */
0c588247 5577 SAFE_BYTE_GET_AND_INC (val, desc, 1, end);
4ccf1e31 5578 curr
77145576 5579 = read_and_display_attr_value (0, val, 0,
ec1b0fbb 5580 start, curr, end, 0, 0, offset_size,
341f9135 5581 version, NULL, 0, NULL,
ec1b0fbb 5582 NULL, ' ', -1);
4ccf1e31
JJ		 5583 if (n != nargs - 1)
5584 printf (",");
5585 }
5586 printf ("\n");
5587 }
5588 break;
5589 }
5590 }
5591
5592 printf ("\n");
b4eb7656 5593 }
4ccf1e31
JJ		 5594
5595 return 1;
5596}
5597
19e6b90e
L		 5598static int
5599display_debug_abbrev (struct dwarf_section *section,
5600 void *file ATTRIBUTE_UNUSED)
5601{
5602 abbrev_entry *entry;
5603 unsigned char *start = section->start;
5604 unsigned char *end = start + section->size;
5605
dda8d76d 5606 introduce (section, FALSE);
19e6b90e
L		 5607
5608 do
5609 {
7282333f
AM		 5610 unsigned char *last;
5611
19e6b90e
L		 5612 free_abbrevs ();
5613
7282333f 5614 last = start;
19e6b90e
L		 5615 start = process_abbrev_section (start, end);
5616
5617 if (first_abbrev == NULL)
5618 continue;
5619
7282333f 5620 printf (_(" Number TAG (0x%lx)\n"), (long) (last - section->start));
19e6b90e
L		 5621
5622 for (entry = first_abbrev; entry; entry = entry->next)
5623 {
5624 abbrev_attr *attr;
5625
cc5914eb 5626 printf (" %ld %s [%s]\n",
19e6b90e
L		 5627 entry->entry,
5628 get_TAG_name (entry->tag),
5629 entry->children ? _("has children") : _("no children"));
5630
5631 for (attr = entry->first_attr; attr; attr = attr->next)
77145576
JK		 5632 {
5633 printf (" %-18s %s",
5634 get_AT_name (attr->attribute),
5635 get_FORM_name (attr->form));
5636 if (attr->form == DW_FORM_implicit_const)
5637 printf (": %" BFD_VMA_FMT "d", attr->implicit_const);
5638 putchar ('\n');
5639 }
19e6b90e
L		 5640 }
5641 }
5642 while (start);
5643
5644 printf ("\n");
5645
5646 return 1;
5647}
5648
42bcef4a
AB		 5649/* Return true when ADDR is the maximum address, when addresses are
5650 POINTER_SIZE bytes long. */
5651
5652static bfd_boolean
5653is_max_address (dwarf_vma addr, unsigned int pointer_size)
5654{
5655 dwarf_vma mask = ~(~(dwarf_vma) 1 << (pointer_size * 8 - 1));
5656 return ((addr & mask) == mask);
5657}
5658
9f272209
AO		 5659/* Display a view pair list starting at *VSTART_PTR and ending at
5660 VLISTEND within SECTION. */
5661
5662static void
5663display_view_pair_list (struct dwarf_section *section,
5664 unsigned char **vstart_ptr,
5665 unsigned int debug_info_entry,
5666 unsigned char *vlistend)
5667{
5668 unsigned char *vstart = *vstart_ptr;
5669 unsigned char *section_end = section->start + section->size;
5670 unsigned int pointer_size = debug_information [debug_info_entry].pointer_size;
5671
5672 if (vlistend < section_end)
5673 section_end = vlistend;
5674
5675 putchar ('\n');
5676
5677 while (vstart < section_end)
5678 {
5679 dwarf_vma off = vstart - section->start;
5680 dwarf_vma vbegin, vend;
5681
cd30bcef 5682 READ_ULEB (vbegin, vstart, section_end);
9f272209 5683 if (vstart == section_end)
cd30bcef 5684 break;
9f272209 5685
cd30bcef 5686 READ_ULEB (vend, vstart, section_end);
9f272209
AO		 5687 printf (" %8.8lx ", (unsigned long) off);
5688
5689 print_dwarf_view (vbegin, pointer_size, 1);
5690 print_dwarf_view (vend, pointer_size, 1);
5691 printf (_("location view pair\n"));
5692 }
5693
5694 putchar ('\n');
5695 *vstart_ptr = vstart;
5696}
5697
4723351a
CC		 5698/* Display a location list from a normal (ie, non-dwo) .debug_loc section. */
5699
5700static void
5701display_loc_list (struct dwarf_section *section,
b4eb7656
AM		 5702 unsigned char **start_ptr,
5703 unsigned int debug_info_entry,
359ca075
JK		 5704 dwarf_vma offset,
5705 dwarf_vma base_address,
9f272209 5706 unsigned char **vstart_ptr,
b4eb7656 5707 int has_frame_base)
4723351a 5708{
9f272209 5709 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
4723351a 5710 unsigned char *section_end = section->start + section->size;
82b1b41b
NC		 5711 unsigned long cu_offset;
5712 unsigned int pointer_size;
5713 unsigned int offset_size;
5714 int dwarf_version;
4723351a
CC		 5715
5716 dwarf_vma begin;
5717 dwarf_vma end;
5718 unsigned short length;
5719 int need_frame_base;
5720
82b1b41b
NC		 5721 if (debug_info_entry >= num_debug_info_entries)
5722 {
5723 warn (_("No debug information available for loc lists of entry: %u\n"),
5724 debug_info_entry);
5725 return;
5726 }
b4eb7656 5727
82b1b41b
NC		 5728 cu_offset = debug_information [debug_info_entry].cu_offset;
5729 pointer_size = debug_information [debug_info_entry].pointer_size;
5730 offset_size = debug_information [debug_info_entry].offset_size;
5731 dwarf_version = debug_information [debug_info_entry].dwarf_version;
b4eb7656 5732
f41e4712
NC		 5733 if (pointer_size < 2 || pointer_size > 8)
5734 {
5735 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
5736 pointer_size, debug_info_entry);
5737 return;
5738 }
5739
4723351a
CC		 5740 while (1)
5741 {
359ca075 5742 dwarf_vma off = offset + (start - *start_ptr);
9f272209 5743 dwarf_vma vbegin = vm1, vend = vm1;
d1c4b12b 5744
4723351a 5745 if (start + 2 * pointer_size > section_end)
b4eb7656
AM		 5746 {
5747 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 5748 (unsigned long) offset);
b4eb7656
AM		 5749 break;
5750 }
4723351a 5751
359ca075 5752 printf (" %8.8lx ", (unsigned long) off);
fab128ef 5753
0c588247
NC		 5754 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end);
5755 SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end);
4723351a 5756
4723351a 5757 if (begin == 0 && end == 0)
b4eb7656 5758 {
d1c4b12b
NC		 5759 /* PR 18374: In a object file we can have a location list that
5760 starts with a begin and end of 0 because there are relocations
5761 that need to be applied to the addresses. Actually applying
5762 the relocations now does not help as they will probably resolve
5763 to 0, since the object file has not been fully linked. Real
5764 end of list markers will not have any relocations against them. */
5765 if (! reloc_at (section, off)
5766 && ! reloc_at (section, off + pointer_size))
5767 {
5768 printf (_("<End of list>\n"));
5769 break;
5770 }
b4eb7656 5771 }
4723351a
CC		 5772
5773 /* Check base address specifiers. */
42bcef4a
AB		 5774 if (is_max_address (begin, pointer_size)
5775 && !is_max_address (end, pointer_size))
b4eb7656
AM		 5776 {
5777 base_address = end;
5778 print_dwarf_vma (begin, pointer_size);
5779 print_dwarf_vma (end, pointer_size);
5780 printf (_("(base address)\n"));
5781 continue;
5782 }
4723351a 5783
9f272209
AO		 5784 if (vstart)
5785 {
9f272209
AO		 5786 off = offset + (vstart - *start_ptr);
5787
cd30bcef 5788 READ_ULEB (vbegin, vstart, section_end);
9f272209
AO		 5789 print_dwarf_view (vbegin, pointer_size, 1);
5790
cd30bcef 5791 READ_ULEB (vend, vstart, section_end);
9f272209
AO		 5792 print_dwarf_view (vend, pointer_size, 1);
5793
5794 printf (_("views at %8.8lx for:\n %*s "),
5795 (unsigned long) off, 8, "");
5796 }
5797
4723351a 5798 if (start + 2 > section_end)
b4eb7656
AM		 5799 {
5800 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 5801 (unsigned long) offset);
b4eb7656
AM		 5802 break;
5803 }
4723351a 5804
0c588247 5805 SAFE_BYTE_GET_AND_INC (length, start, 2, section_end);
4723351a
CC		 5806
5807 if (start + length > section_end)
b4eb7656
AM		 5808 {
5809 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 5810 (unsigned long) offset);
b4eb7656
AM		 5811 break;
5812 }
4723351a
CC		 5813
5814 print_dwarf_vma (begin + base_address, pointer_size);
5815 print_dwarf_vma (end + base_address, pointer_size);
5816
5817 putchar ('(');
5818 need_frame_base = decode_location_expression (start,
b4eb7656
AM		 5819 pointer_size,
5820 offset_size,
5821 dwarf_version,
5822 length,
5823 cu_offset, section);
4723351a
CC		 5824 putchar (')');
5825
5826 if (need_frame_base && !has_frame_base)
b4eb7656 5827 printf (_(" [without DW_AT_frame_base]"));
4723351a 5828
9f272209 5829 if (begin == end && vbegin == vend)
b4eb7656 5830 fputs (_(" (start == end)"), stdout);
9f272209 5831 else if (begin > end || (begin == end && vbegin > vend))
b4eb7656 5832 fputs (_(" (start > end)"), stdout);
4723351a
CC		 5833
5834 putchar ('\n');
5835
5836 start += length;
5837 }
5838
5839 *start_ptr = start;
9f272209 5840 *vstart_ptr = vstart;
4723351a
CC		 5841}
5842
77145576
JK		 5843/* Display a location list from a normal (ie, non-dwo) .debug_loclists section. */
5844
5845static void
5846display_loclists_list (struct dwarf_section *section,
5847 unsigned char **start_ptr,
5848 unsigned int debug_info_entry,
5849 dwarf_vma offset,
5850 dwarf_vma base_address,
9f272209 5851 unsigned char **vstart_ptr,
77145576
JK		 5852 int has_frame_base)
5853{
9f272209 5854 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
77145576
JK		 5855 unsigned char *section_end = section->start + section->size;
5856 unsigned long cu_offset;
5857 unsigned int pointer_size;
5858 unsigned int offset_size;
5859 int dwarf_version;
77145576 5860
9dfd0db9 5861 /* Initialize it due to a false compiler warning. */
9f272209
AO		 5862 dwarf_vma begin = -1, vbegin = -1;
5863 dwarf_vma end = -1, vend = -1;
77145576
JK		 5864 dwarf_vma length;
5865 int need_frame_base;
5866
5867 if (debug_info_entry >= num_debug_info_entries)
5868 {
5869 warn (_("No debug information available for "
5870 "loclists lists of entry: %u\n"),
5871 debug_info_entry);
5872 return;
5873 }
5874
5875 cu_offset = debug_information [debug_info_entry].cu_offset;
5876 pointer_size = debug_information [debug_info_entry].pointer_size;
5877 offset_size = debug_information [debug_info_entry].offset_size;
5878 dwarf_version = debug_information [debug_info_entry].dwarf_version;
5879
5880 if (pointer_size < 2 || pointer_size > 8)
5881 {
5882 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
5883 pointer_size, debug_info_entry);
5884 return;
5885 }
5886
5887 while (1)
5888 {
5889 dwarf_vma off = offset + (start - *start_ptr);
5890 enum dwarf_location_list_entry_type llet;
5891
5892 if (start + 1 > section_end)
5893 {
5894 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5895 (unsigned long) offset);
5896 break;
5897 }
5898
5899 printf (" %8.8lx ", (unsigned long) off);
5900
5901 SAFE_BYTE_GET_AND_INC (llet, start, 1, section_end);
5902
9f272209
AO		 5903 if (vstart && llet == DW_LLE_offset_pair)
5904 {
5905 off = offset + (vstart - *start_ptr);
5906
cd30bcef 5907 READ_ULEB (vbegin, vstart, section_end);
9f272209
AO		 5908 print_dwarf_view (vbegin, pointer_size, 1);
5909
cd30bcef 5910 READ_ULEB (vend, vstart, section_end);
9f272209
AO		 5911 print_dwarf_view (vend, pointer_size, 1);
5912
5913 printf (_("views at %8.8lx for:\n %*s "),
5914 (unsigned long) off, 8, "");
5915 }
5916
77145576
JK		 5917 switch (llet)
5918 {
5919 case DW_LLE_end_of_list:
5920 printf (_("<End of list>\n"));
5921 break;
5922 case DW_LLE_offset_pair:
cd30bcef
AM		 5923 READ_ULEB (begin, start, section_end);
5924 READ_ULEB (end, start, section_end);
77145576
JK		 5925 break;
5926 case DW_LLE_base_address:
5927 SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size,
5928 section_end);
5929 print_dwarf_vma (base_address, pointer_size);
5930 printf (_("(base address)\n"));
5931 break;
9f272209
AO		 5932#ifdef DW_LLE_view_pair
5933 case DW_LLE_view_pair:
5934 if (vstart)
5935 printf (_("View pair entry in loclist with locviews attribute\n"));
cd30bcef 5936 READ_ULEB (vbegin, start, section_end);
9f272209
AO		 5937 print_dwarf_view (vbegin, pointer_size, 1);
5938
cd30bcef 5939 READ_ULEB (vend, start, section_end);
9f272209
AO		 5940 print_dwarf_view (vend, pointer_size, 1);
5941
5942 printf (_("views for:\n"));
5943 continue;
5944#endif
77145576
JK		 5945 default:
5946 error (_("Invalid location list entry type %d\n"), llet);
5947 return;
5948 }
5949 if (llet == DW_LLE_end_of_list)
5950 break;
5951 if (llet != DW_LLE_offset_pair)
5952 continue;
5953
5954 if (start + 2 > section_end)
5955 {
5956 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5957 (unsigned long) offset);
5958 break;
5959 }
5960
cd30bcef 5961 READ_ULEB (length, start, section_end);
77145576
JK		 5962
5963 print_dwarf_vma (begin + base_address, pointer_size);
5964 print_dwarf_vma (end + base_address, pointer_size);
5965
5966 putchar ('(');
5967 need_frame_base = decode_location_expression (start,
5968 pointer_size,
5969 offset_size,
5970 dwarf_version,
5971 length,
5972 cu_offset, section);
5973 putchar (')');
5974
5975 if (need_frame_base && !has_frame_base)
5976 printf (_(" [without DW_AT_frame_base]"));
5977
9f272209 5978 if (begin == end && vbegin == vend)
77145576 5979 fputs (_(" (start == end)"), stdout);
9f272209 5980 else if (begin > end || (begin == end && vbegin > vend))
77145576
JK		 5981 fputs (_(" (start > end)"), stdout);
5982
5983 putchar ('\n');
5984
5985 start += length;
9f272209 5986 vbegin = vend = -1;
77145576
JK		 5987 }
5988
9f272209
AO		 5989 if (vbegin != vm1 || vend != vm1)
5990 printf (_("Trailing view pair not used in a range"));
5991
77145576 5992 *start_ptr = start;
9f272209 5993 *vstart_ptr = vstart;
77145576
JK		 5994}
5995
fab128ef
CC		 5996/* Print a .debug_addr table index in decimal, surrounded by square brackets,
5997 right-adjusted in a field of length LEN, and followed by a space. */
5998
5999static void
6000print_addr_index (unsigned int idx, unsigned int len)
6001{
6002 static char buf[15];
6003 snprintf (buf, sizeof (buf), "[%d]", idx);
341f9135 6004 printf ("%*s ", len, buf);
fab128ef
CC		 6005}
6006
4723351a
CC		 6007/* Display a location list from a .dwo section. It uses address indexes rather
6008 than embedded addresses. This code closely follows display_loc_list, but the
6009 two are sufficiently different that combining things is very ugly. */
6010
6011static void
6012display_loc_list_dwo (struct dwarf_section *section,
b4eb7656
AM		 6013 unsigned char **start_ptr,
6014 unsigned int debug_info_entry,
359ca075 6015 dwarf_vma offset,
9f272209 6016 unsigned char **vstart_ptr,
b4eb7656 6017 int has_frame_base)
4723351a 6018{
9f272209 6019 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
4723351a 6020 unsigned char *section_end = section->start + section->size;
82b1b41b
NC		 6021 unsigned long cu_offset;
6022 unsigned int pointer_size;
6023 unsigned int offset_size;
6024 int dwarf_version;
4723351a
CC		 6025 int entry_type;
6026 unsigned short length;
6027 int need_frame_base;
fab128ef 6028 unsigned int idx;
4723351a 6029
82b1b41b
NC		 6030 if (debug_info_entry >= num_debug_info_entries)
6031 {
6032 warn (_("No debug information for loc lists of entry: %u\n"),
6033 debug_info_entry);
6034 return;
6035 }
6036
6037 cu_offset = debug_information [debug_info_entry].cu_offset;
6038 pointer_size = debug_information [debug_info_entry].pointer_size;
6039 offset_size = debug_information [debug_info_entry].offset_size;
6040 dwarf_version = debug_information [debug_info_entry].dwarf_version;
6041
f41e4712
NC		 6042 if (pointer_size < 2 || pointer_size > 8)
6043 {
6044 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
6045 pointer_size, debug_info_entry);
6046 return;
6047 }
6048
4723351a
CC		 6049 while (1)
6050 {
359ca075 6051 printf (" %8.8lx ", (unsigned long) (offset + (start - *start_ptr)));
4723351a 6052
fab128ef 6053 if (start >= section_end)
b4eb7656
AM		 6054 {
6055 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 6056 (unsigned long) offset);
b4eb7656
AM		 6057 break;
6058 }
4723351a 6059
0c588247 6060 SAFE_BYTE_GET_AND_INC (entry_type, start, 1, section_end);
9f272209
AO		 6061
6062 if (vstart)
6063 switch (entry_type)
6064 {
6065 default:
6066 break;
6067
6068 case 2:
6069 case 3:
6070 case 4:
6071 {
6072 dwarf_vma view;
6073 dwarf_vma off = offset + (vstart - *start_ptr);
6074
cd30bcef 6075 READ_ULEB (view, vstart, section_end);
9f272209
AO		 6076 print_dwarf_view (view, 8, 1);
6077
cd30bcef 6078 READ_ULEB (view, vstart, section_end);
9f272209
AO		 6079 print_dwarf_view (view, 8, 1);
6080
6081 printf (_("views at %8.8lx for:\n %*s "),
6082 (unsigned long) off, 8, "");
6083
6084 }
6085 break;
6086 }
6087
4723351a 6088 switch (entry_type)
b4eb7656
AM		 6089 {
6090 case 0: /* A terminating entry. */
6091 *start_ptr = start;
9f272209 6092 *vstart_ptr = vstart;
b4eb7656
AM		 6093 printf (_("<End of list>\n"));
6094 return;
6095 case 1: /* A base-address entry. */
cd30bcef 6096 READ_ULEB (idx, start, section_end);
b4eb7656 6097 print_addr_index (idx, 8);
9f272209 6098 printf ("%*s", 9 + (vstart ? 2 * 6 : 0), "");
b4eb7656
AM		 6099 printf (_("(base address selection entry)\n"));
6100 continue;
6101 case 2: /* A start/end entry. */
cd30bcef 6102 READ_ULEB (idx, start, section_end);
b4eb7656 6103 print_addr_index (idx, 8);
cd30bcef 6104 READ_ULEB (idx, start, section_end);
b4eb7656
AM		 6105 print_addr_index (idx, 8);
6106 break;
6107 case 3: /* A start/length entry. */
cd30bcef 6108 READ_ULEB (idx, start, section_end);
b4eb7656
AM		 6109 print_addr_index (idx, 8);
6110 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
6111 printf ("%08x ", idx);
6112 break;
6113 case 4: /* An offset pair entry. */
6114 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
6115 printf ("%08x ", idx);
6116 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
6117 printf ("%08x ", idx);
6118 break;
6119 default:
6120 warn (_("Unknown location list entry type 0x%x.\n"), entry_type);
6121 *start_ptr = start;
9f272209 6122 *vstart_ptr = vstart;
b4eb7656
AM		 6123 return;
6124 }
4723351a
CC		 6125
6126 if (start + 2 > section_end)
b4eb7656
AM		 6127 {
6128 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 6129 (unsigned long) offset);
b4eb7656
AM		 6130 break;
6131 }
4723351a 6132
0c588247 6133 SAFE_BYTE_GET_AND_INC (length, start, 2, section_end);
4723351a 6134 if (start + length > section_end)
b4eb7656
AM		 6135 {
6136 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 6137 (unsigned long) offset);
b4eb7656
AM		 6138 break;
6139 }
4723351a
CC		 6140
6141 putchar ('(');
6142 need_frame_base = decode_location_expression (start,
b4eb7656
AM		 6143 pointer_size,
6144 offset_size,
6145 dwarf_version,
6146 length,
6147 cu_offset, section);
4723351a
CC		 6148 putchar (')');
6149
6150 if (need_frame_base && !has_frame_base)
b4eb7656 6151 printf (_(" [without DW_AT_frame_base]"));
4723351a
CC		 6152
6153 putchar ('\n');
6154
6155 start += length;
6156 }
6157
6158 *start_ptr = start;
9f272209 6159 *vstart_ptr = vstart;
4723351a
CC		 6160}
6161
9f272209
AO		 6162/* Sort array of indexes in ascending order of loc_offsets[idx] and
6163 loc_views. */
51d0d03f 6164
9f272209 6165static dwarf_vma *loc_offsets, *loc_views;
51d0d03f
JJ		 6166
6167static int
6168loc_offsets_compar (const void *ap, const void *bp)
6169{
6170 dwarf_vma a = loc_offsets[*(const unsigned int *) ap];
6171 dwarf_vma b = loc_offsets[*(const unsigned int *) bp];
6172
9f272209
AO		 6173 int ret = (a > b) - (b > a);
6174 if (ret)
6175 return ret;
6176
6177 a = loc_views[*(const unsigned int *) ap];
6178 b = loc_views[*(const unsigned int *) bp];
6179
6180 ret = (a > b) - (b > a);
6181
6182 return ret;
51d0d03f
JJ		 6183}
6184
19e6b90e
L		 6185static int
6186display_debug_loc (struct dwarf_section *section, void *file)
6187{
9f272209 6188 unsigned char *start = section->start, *vstart = NULL;
19e6b90e
L		 6189 unsigned long bytes;
6190 unsigned char *section_begin = start;
6191 unsigned int num_loc_list = 0;
6192 unsigned long last_offset = 0;
9f272209 6193 unsigned long last_view = 0;
19e6b90e
L		 6194 unsigned int first = 0;
6195 unsigned int i;
6196 unsigned int j;
6197 int seen_first_offset = 0;
51d0d03f 6198 int locs_sorted = 1;
9f272209 6199 unsigned char *next = start, *vnext = vstart;
51d0d03f 6200 unsigned int *array = NULL;
4723351a 6201 const char *suffix = strrchr (section->name, '.');
24841daa 6202 bfd_boolean is_dwo = FALSE;
77145576
JK		 6203 int is_loclists = strstr (section->name, "debug_loclists") != NULL;
6204 dwarf_vma expected_start = 0;
4723351a
CC		 6205
6206 if (suffix && strcmp (suffix, ".dwo") == 0)
24841daa 6207 is_dwo = TRUE;
19e6b90e
L		 6208
6209 bytes = section->size;
19e6b90e
L		 6210
6211 if (bytes == 0)
6212 {
6213 printf (_("\nThe %s section is empty.\n"), section->name);
6214 return 0;
6215 }
6216
77145576
JK		 6217 if (is_loclists)
6218 {
6219 unsigned char *hdrptr = section_begin;
6220 dwarf_vma ll_length;
6221 unsigned short ll_version;
6222 unsigned char *end = section_begin + section->size;
6223 unsigned char address_size, segment_selector_size;
6224 uint32_t offset_entry_count;
6225
6226 SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 4, end);
6227 if (ll_length == 0xffffffff)
6228 SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 8, end);
6229
6230 SAFE_BYTE_GET_AND_INC (ll_version, hdrptr, 2, end);
6231 if (ll_version != 5)
6232 {
6233 warn (_("The %s section contains corrupt or "
6234 "unsupported version number: %d.\n"),
6235 section->name, ll_version);
6236 return 0;
6237 }
6238
6239 SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end);
6240
6241 SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end);
6242 if (segment_selector_size != 0)
6243 {
6244 warn (_("The %s section contains "
6245 "unsupported segment selector size: %d.\n"),
6246 section->name, segment_selector_size);
6247 return 0;
6248 }
6249
6250 SAFE_BYTE_GET_AND_INC (offset_entry_count, hdrptr, 4, end);
6251 if (offset_entry_count != 0)
6252 {
6253 warn (_("The %s section contains "
6254 "unsupported offset entry count: %d.\n"),
6255 section->name, offset_entry_count);
6256 return 0;
6257 }
6258
6259 expected_start = hdrptr - section_begin;
6260 }
6261
1febe64d
NC		 6262 if (load_debug_info (file) == 0)
6263 {
6264 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
6265 section->name);
6266 return 0;
6267 }
19e6b90e
L		 6268
6269 /* Check the order of location list in .debug_info section. If
6270 offsets of location lists are in the ascending order, we can
6271 use `debug_information' directly. */
6272 for (i = 0; i < num_debug_info_entries; i++)
6273 {
6274 unsigned int num;
6275
6276 num = debug_information [i].num_loc_offsets;
51d0d03f
JJ		 6277 if (num > num_loc_list)
6278 num_loc_list = num;
19e6b90e
L		 6279
6280 /* Check if we can use `debug_information' directly. */
51d0d03f 6281 if (locs_sorted && num != 0)
19e6b90e
L		 6282 {
6283 if (!seen_first_offset)
6284 {
6285 /* This is the first location list. */
6286 last_offset = debug_information [i].loc_offsets [0];
9f272209 6287 last_view = debug_information [i].loc_views [0];
19e6b90e
L		 6288 first = i;
6289 seen_first_offset = 1;
6290 j = 1;
6291 }
6292 else
6293 j = 0;
6294
6295 for (; j < num; j++)
6296 {
6297 if (last_offset >
9f272209
AO		 6298 debug_information [i].loc_offsets [j]
6299 || (last_offset == debug_information [i].loc_offsets [j]
6300 && last_view > debug_information [i].loc_views [j]))
19e6b90e 6301 {
51d0d03f 6302 locs_sorted = 0;
19e6b90e
L		 6303 break;
6304 }
6305 last_offset = debug_information [i].loc_offsets [j];
9f272209 6306 last_view = debug_information [i].loc_views [j];
19e6b90e
L		 6307 }
6308 }
6309 }
6310
19e6b90e
L		 6311 if (!seen_first_offset)
6312 error (_("No location lists in .debug_info section!\n"));
6313
d4bfc77b 6314 if (debug_information [first].num_loc_offsets > 0
9f272209
AO		 6315 && debug_information [first].loc_offsets [0] != expected_start
6316 && debug_information [first].loc_views [0] != expected_start)
47704ddf
KT		 6317 warn (_("Location lists in %s section start at 0x%s\n"),
6318 section->name,
6319 dwarf_vmatoa ("x", debug_information [first].loc_offsets [0]));
19e6b90e 6320
51d0d03f
JJ		 6321 if (!locs_sorted)
6322 array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int));
dda8d76d
NC		 6323
6324 introduce (section, FALSE);
6325
d1c4b12b
NC		 6326 if (reloc_at (section, 0))
6327 printf (_(" Warning: This section has relocations - addresses seen here may not be accurate.\n\n"));
dda8d76d 6328
d1c4b12b 6329 printf (_(" Offset Begin End Expression\n"));
19e6b90e
L		 6330
6331 seen_first_offset = 0;
6332 for (i = first; i < num_debug_info_entries; i++)
6333 {
9f272209 6334 dwarf_vma offset, voffset;
359ca075 6335 dwarf_vma base_address;
d1c4b12b 6336 unsigned int k;
19e6b90e
L		 6337 int has_frame_base;
6338
51d0d03f
JJ		 6339 if (!locs_sorted)
6340 {
6341 for (k = 0; k < debug_information [i].num_loc_offsets; k++)
6342 array[k] = k;
6343 loc_offsets = debug_information [i].loc_offsets;
9f272209 6344 loc_views = debug_information [i].loc_views;
51d0d03f
JJ		 6345 qsort (array, debug_information [i].num_loc_offsets,
6346 sizeof (*array), loc_offsets_compar);
6347 }
19e6b90e 6348
9f272209 6349 int adjacent_view_loclists = 1;
51d0d03f 6350 for (k = 0; k < debug_information [i].num_loc_offsets; k++)
19e6b90e 6351 {
51d0d03f
JJ		 6352 j = locs_sorted ? k : array[k];
6353 if (k
9f272209 6354 && (debug_information [i].loc_offsets [locs_sorted
51d0d03f 6355 ? k - 1 : array [k - 1]]
9f272209
AO		 6356 == debug_information [i].loc_offsets [j])
6357 && (debug_information [i].loc_views [locs_sorted
6358 ? k - 1 : array [k - 1]]
6359 == debug_information [i].loc_views [j]))
51d0d03f 6360 continue;
19e6b90e 6361 has_frame_base = debug_information [i].have_frame_base [j];
d493b283 6362 offset = debug_information [i].loc_offsets [j];
19e6b90e 6363 next = section_begin + offset;
9f272209
AO		 6364 voffset = debug_information [i].loc_views [j];
6365 if (voffset != vm1)
6366 vnext = section_begin + voffset;
6367 else
6368 vnext = NULL;
19e6b90e
L		 6369 base_address = debug_information [i].base_address;
6370
9f272209
AO		 6371 if (vnext && vnext < next)
6372 {
6373 vstart = vnext;
6374 display_view_pair_list (section, &vstart, i, next);
6375 if (start == vnext)
6376 start = vstart;
6377 }
6378
6379 if (!seen_first_offset || !adjacent_view_loclists)
19e6b90e
L		 6380 seen_first_offset = 1;
6381 else
6382 {
6383 if (start < next)
6384 warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"),
0af1713e 6385 (unsigned long) (start - section_begin),
c8071705 6386 (unsigned long) offset);
19e6b90e
L		 6387 else if (start > next)
6388 warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"),
0af1713e 6389 (unsigned long) (start - section_begin),
c8071705 6390 (unsigned long) offset);
19e6b90e
L		 6391 }
6392 start = next;
9f272209 6393 vstart = vnext;
19e6b90e
L		 6394
6395 if (offset >= bytes)
6396 {
6397 warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"),
359ca075 6398 (unsigned long) offset);
19e6b90e
L		 6399 continue;
6400 }
6401
9f272209
AO		 6402 if (vnext && voffset >= bytes)
6403 {
6404 warn (_("View Offset 0x%lx is bigger than .debug_loc section size.\n"),
6405 (unsigned long) voffset);
6406 continue;
6407 }
6408
77145576
JK		 6409 if (!is_loclists)
6410 {
6411 if (is_dwo)
6412 display_loc_list_dwo (section, &start, i, offset,
9f272209 6413 &vstart, has_frame_base);
77145576
JK		 6414 else
6415 display_loc_list (section, &start, i, offset, base_address,
9f272209 6416 &vstart, has_frame_base);
77145576 6417 }
b4eb7656 6418 else
77145576
JK		 6419 {
6420 if (is_dwo)
6421 warn (_("DWO is not yet supported.\n"));
6422 else
6423 display_loclists_list (section, &start, i, offset, base_address,
9f272209
AO		 6424 &vstart, has_frame_base);
6425 }
6426
6427 /* FIXME: this arrangement is quite simplistic. Nothing
6428 requires locview lists to be adjacent to corresponding
6429 loclists, and a single loclist could be augmented by
6430 different locview lists, and vice-versa, unlikely as it
6431 is that it would make sense to do so. Hopefully we'll
6432 have view pair support built into loclists before we ever
6433 need to address all these possibilities. */
6434 if (adjacent_view_loclists && vnext
6435 && vnext != start && vstart != next)
6436 {
6437 adjacent_view_loclists = 0;
6438 warn (_("Hole and overlap detection requires adjacent view lists and loclists.\n"));
77145576 6439 }
9f272209
AO		 6440
6441 if (vnext && vnext == start)
6442 display_view_pair_list (section, &start, i, vstart);
19e6b90e
L		 6443 }
6444 }
031cd65f 6445
4723351a 6446 if (start < section->start + section->size)
d3a49aa8
AM		 6447 warn (ngettext ("There is %ld unused byte at the end of section %s\n",
6448 "There are %ld unused bytes at the end of section %s\n",
6449 (long) (section->start + section->size - start)),
4723351a 6450 (long) (section->start + section->size - start), section->name);
98fb390a 6451 putchar ('\n');
51d0d03f 6452 free (array);
19e6b90e
L		 6453 return 1;
6454}
6455
6456static int
6457display_debug_str (struct dwarf_section *section,
6458 void *file ATTRIBUTE_UNUSED)
6459{
6460 unsigned char *start = section->start;
6461 unsigned long bytes = section->size;
6462 dwarf_vma addr = section->address;
6463
6464 if (bytes == 0)
6465 {
6466 printf (_("\nThe %s section is empty.\n"), section->name);
6467 return 0;
6468 }
6469
dda8d76d 6470 introduce (section, FALSE);
19e6b90e
L		 6471
6472 while (bytes)
6473 {
6474 int j;
6475 int k;
6476 int lbytes;
6477
6478 lbytes = (bytes > 16 ? 16 : bytes);
6479
6480 printf (" 0x%8.8lx ", (unsigned long) addr);
6481
6482 for (j = 0; j < 16; j++)
6483 {
6484 if (j < lbytes)
6485 printf ("%2.2x", start[j]);
6486 else
6487 printf (" ");
6488
6489 if ((j & 3) == 3)
6490 printf (" ");
6491 }
6492
6493 for (j = 0; j < lbytes; j++)
6494 {
6495 k = start[j];
6496 if (k >= ' ' && k < 0x80)
6497 printf ("%c", k);
6498 else
6499 printf (".");
6500 }
6501
6502 putchar ('\n');
6503
6504 start += lbytes;
6505 addr += lbytes;
6506 bytes -= lbytes;
6507 }
6508
6509 putchar ('\n');
6510
6511 return 1;
6512}
6513
19e6b90e
L		 6514static int
6515display_debug_info (struct dwarf_section *section, void *file)
6516{
d85bf2ba 6517 return process_debug_info (section, file, section->abbrev_sec, FALSE, FALSE);
19e6b90e
L		 6518}
6519
2b6f5997
CC		 6520static int
6521display_debug_types (struct dwarf_section *section, void *file)
6522{
d85bf2ba 6523 return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE);
6f875884
TG		 6524}
6525
6526static int
6527display_trace_info (struct dwarf_section *section, void *file)
6528{
d85bf2ba 6529 return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE);
2b6f5997 6530}
19e6b90e
L		 6531
6532static int
6533display_debug_aranges (struct dwarf_section *section,
6534 void *file ATTRIBUTE_UNUSED)
6535{
6536 unsigned char *start = section->start;
6537 unsigned char *end = start + section->size;
6538
dda8d76d 6539 introduce (section, FALSE);
19e6b90e 6540
6e3d6dc1
NC		 6541 /* It does not matter if this load fails,
6542 we test for that later on. */
6543 load_debug_info (file);
6544
19e6b90e
L		 6545 while (start < end)
6546 {
6547 unsigned char *hdrptr;
6548 DWARF2_Internal_ARange arange;
91d6fa6a 6549 unsigned char *addr_ranges;
2d9472a2
NC		 6550 dwarf_vma length;
6551 dwarf_vma address;
e98fdf1a 6552 unsigned long sec_off;
53b8873b 6553 unsigned char address_size;
19e6b90e 6554 int excess;
bf5117e3
NC		 6555 unsigned int offset_size;
6556 unsigned int initial_length_size;
19e6b90e
L		 6557
6558 hdrptr = start;
6559
0c588247 6560 SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 4, end);
19e6b90e
L		 6561 if (arange.ar_length == 0xffffffff)
6562 {
0c588247 6563 SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 8, end);
19e6b90e
L		 6564 offset_size = 8;
6565 initial_length_size = 12;
6566 }
6567 else
6568 {
6569 offset_size = 4;
6570 initial_length_size = 4;
6571 }
6572
e98fdf1a
AM		 6573 sec_off = hdrptr - section->start;
6574 if (sec_off + arange.ar_length < sec_off
6575 || sec_off + arange.ar_length > section->size)
6576 {
6577 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
6578 section->name,
6579 sec_off - initial_length_size,
6580 dwarf_vmatoa ("x", arange.ar_length));
6581 break;
6582 }
6583
0c588247
NC		 6584 SAFE_BYTE_GET_AND_INC (arange.ar_version, hdrptr, 2, end);
6585 SAFE_BYTE_GET_AND_INC (arange.ar_info_offset, hdrptr, offset_size, end);
19e6b90e 6586
6e3d6dc1
NC		 6587 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
6588 && num_debug_info_entries > 0
6589 && find_debug_info_for_offset (arange.ar_info_offset) == NULL)
6590 warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
47704ddf 6591 (unsigned long) arange.ar_info_offset, section->name);
6e3d6dc1 6592
0c588247
NC		 6593 SAFE_BYTE_GET_AND_INC (arange.ar_pointer_size, hdrptr, 1, end);
6594 SAFE_BYTE_GET_AND_INC (arange.ar_segment_size, hdrptr, 1, end);
19e6b90e
L		 6595
6596 if (arange.ar_version != 2 && arange.ar_version != 3)
6597 {
67f101ee
NC		 6598 /* PR 19872: A version number of 0 probably means that there is
6599 padding at the end of the .debug_aranges section. Gold puts
6600 it there when performing an incremental link, for example.
6601 So do not generate a warning in this case. */
6602 if (arange.ar_version)
6603 warn (_("Only DWARF 2 and 3 aranges are currently supported.\n"));
19e6b90e
L		 6604 break;
6605 }
6606
47704ddf
KT		 6607 printf (_(" Length: %ld\n"),
6608 (long) arange.ar_length);
19e6b90e 6609 printf (_(" Version: %d\n"), arange.ar_version);
47704ddf
KT		 6610 printf (_(" Offset into .debug_info: 0x%lx\n"),
6611 (unsigned long) arange.ar_info_offset);
19e6b90e
L		 6612 printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size);
6613 printf (_(" Segment Size: %d\n"), arange.ar_segment_size);
6614
53b8873b
NC		 6615 address_size = arange.ar_pointer_size + arange.ar_segment_size;
6616
f41e4712
NC		 6617 /* PR 17512: file: 001-108546-0.001:0.1. */
6618 if (address_size == 0 || address_size > 8)
b3681d67
L		 6619 {
6620 error (_("Invalid address size in %s section!\n"),
6621 section->name);
6622 break;
6623 }
6624
53b8873b
NC		 6625 /* The DWARF spec does not require that the address size be a power
6626 of two, but we do. This will have to change if we ever encounter
6627 an uneven architecture. */
6628 if ((address_size & (address_size - 1)) != 0)
6629 {
6630 warn (_("Pointer size + Segment size is not a power of two.\n"));
6631 break;
6632 }
cecf136e 6633
209c9a13
NC		 6634 if (address_size > 4)
6635 printf (_("\n Address Length\n"));
6636 else
6637 printf (_("\n Address Length\n"));
19e6b90e 6638
91d6fa6a 6639 addr_ranges = hdrptr;
19e6b90e 6640
53b8873b
NC		 6641 /* Must pad to an alignment boundary that is twice the address size. */
6642 excess = (hdrptr - start) % (2 * address_size);
19e6b90e 6643 if (excess)
91d6fa6a 6644 addr_ranges += (2 * address_size) - excess;
19e6b90e 6645
e98fdf1a 6646 start += arange.ar_length + initial_length_size;
1617e571 6647
91d6fa6a 6648 while (addr_ranges + 2 * address_size <= start)
19e6b90e 6649 {
0c588247
NC		 6650 SAFE_BYTE_GET_AND_INC (address, addr_ranges, address_size, end);
6651 SAFE_BYTE_GET_AND_INC (length, addr_ranges, address_size, end);
19e6b90e 6652
80c35038 6653 printf (" ");
2d9472a2
NC		 6654 print_dwarf_vma (address, address_size);
6655 print_dwarf_vma (length, address_size);
6656 putchar ('\n');
19e6b90e 6657 }
19e6b90e
L		 6658 }
6659
6660 printf ("\n");
6661
6662 return 1;
6663}
6664
4723351a
CC		 6665/* Comparison function for qsort. */
6666static int
6667comp_addr_base (const void * v0, const void * v1)
6668{
d367307b
AM		 6669 debug_info *info0 = *(debug_info **) v0;
6670 debug_info *info1 = *(debug_info **) v1;
4723351a
CC		 6671 return info0->addr_base - info1->addr_base;
6672}
6673
6674/* Display the debug_addr section. */
6675static int
6676display_debug_addr (struct dwarf_section *section,
b4eb7656 6677 void *file)
4723351a
CC		 6678{
6679 debug_info **debug_addr_info;
6680 unsigned char *entry;
6681 unsigned char *end;
6682 unsigned int i;
6683 unsigned int count;
6684
6685 if (section->size == 0)
6686 {
6687 printf (_("\nThe %s section is empty.\n"), section->name);
6688 return 0;
6689 }
6690
6691 if (load_debug_info (file) == 0)
6692 {
6693 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
6694 section->name);
6695 return 0;
6696 }
6697
dda8d76d 6698 introduce (section, FALSE);
4723351a 6699
1306a742
NC		 6700 /* PR 17531: file: cf38d01b.
6701 We use xcalloc because a corrupt file may not have initialised all of the
6702 fields in the debug_info structure, which means that the sort below might
6703 try to move uninitialised data. */
6704 debug_addr_info = (debug_info **) xcalloc ((num_debug_info_entries + 1),
b4eb7656 6705 sizeof (debug_info *));
4723351a
CC		 6706
6707 count = 0;
6708 for (i = 0; i < num_debug_info_entries; i++)
82b1b41b 6709 if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE)
1306a742
NC		 6710 {
6711 /* PR 17531: file: cf38d01b. */
6712 if (debug_information[i].addr_base >= section->size)
6713 warn (_("Corrupt address base (%lx) found in debug section %u\n"),
6714 (unsigned long) debug_information[i].addr_base, i);
6715 else
6716 debug_addr_info [count++] = debug_information + i;
6717 }
4723351a
CC		 6718
6719 /* Add a sentinel to make iteration convenient. */
6720 debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info));
6721 debug_addr_info [count]->addr_base = section->size;
4723351a 6722 qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base);
1306a742 6723
4723351a
CC		 6724 for (i = 0; i < count; i++)
6725 {
6726 unsigned int idx;
fab128ef 6727 unsigned int address_size = debug_addr_info [i]->pointer_size;
4723351a
CC		 6728
6729 printf (_(" For compilation unit at offset 0x%s:\n"),
b4eb7656 6730 dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset));
4723351a 6731
fab128ef 6732 printf (_("\tIndex\tAddress\n"));
4723351a
CC		 6733 entry = section->start + debug_addr_info [i]->addr_base;
6734 end = section->start + debug_addr_info [i + 1]->addr_base;
6735 idx = 0;
6736 while (entry < end)
b4eb7656
AM		 6737 {
6738 dwarf_vma base = byte_get (entry, address_size);
6739 printf (_("\t%d:\t"), idx);
6740 print_dwarf_vma (base, address_size);
6741 printf ("\n");
6742 entry += address_size;
6743 idx++;
6744 }
4723351a
CC		 6745 }
6746 printf ("\n");
6747
6748 free (debug_addr_info);
6749 return 1;
6750}
6751
6752/* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */
24841daa 6753
4723351a
CC		 6754static int
6755display_debug_str_offsets (struct dwarf_section *section,
b4eb7656 6756 void *file ATTRIBUTE_UNUSED)
4723351a
CC		 6757{
6758 if (section->size == 0)
6759 {
6760 printf (_("\nThe %s section is empty.\n"), section->name);
6761 return 0;
6762 }
6763 /* TODO: Dump the contents. This is made somewhat difficult by not knowing
6764 what the offset size is for this section. */
6765 return 1;
6766}
6767
01a8f077
JK		 6768/* Each debug_information[x].range_lists[y] gets this representation for
6769 sorting purposes. */
6770
6771struct range_entry
467c65bc
NC		 6772{
6773 /* The debug_information[x].range_lists[y] value. */
359ca075 6774 dwarf_vma ranges_offset;
01a8f077 6775
467c65bc
NC		 6776 /* Original debug_information to find parameters of the data. */
6777 debug_info *debug_info_p;
6778};
01a8f077
JK		 6779
6780/* Sort struct range_entry in ascending order of its RANGES_OFFSET. */
6781
6782static int
6783range_entry_compar (const void *ap, const void *bp)
6784{
3f5e193b
NC		 6785 const struct range_entry *a_re = (const struct range_entry *) ap;
6786 const struct range_entry *b_re = (const struct range_entry *) bp;
359ca075
JK		 6787 const dwarf_vma a = a_re->ranges_offset;
6788 const dwarf_vma b = b_re->ranges_offset;
01a8f077
JK		 6789
6790 return (a > b) - (b > a);
6791}
6792
77145576
JK		 6793static void
6794display_debug_ranges_list (unsigned char *start, unsigned char *finish,
6795 unsigned int pointer_size, unsigned long offset,
6796 unsigned long base_address)
6797{
6798 while (start < finish)
6799 {
6800 dwarf_vma begin;
6801 dwarf_vma end;
6802
6803 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
6804 if (start >= finish)
6805 break;
6806 SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish);
6807
d11ae95e 6808
77145576
JK		 6809 printf (" %8.8lx ", offset);
6810
6811 if (begin == 0 && end == 0)
6812 {
6813 printf (_("<End of list>\n"));
6814 break;
6815 }
6816
6817 /* Check base address specifiers. */
6818 if (is_max_address (begin, pointer_size)
6819 && !is_max_address (end, pointer_size))
6820 {
6821 base_address = end;
6822 print_dwarf_vma (begin, pointer_size);
6823 print_dwarf_vma (end, pointer_size);
6824 printf ("(base address)\n");
6825 continue;
6826 }
6827
6828 print_dwarf_vma (begin + base_address, pointer_size);
6829 print_dwarf_vma (end + base_address, pointer_size);
6830
6831 if (begin == end)
6832 fputs (_("(start == end)"), stdout);
6833 else if (begin > end)
6834 fputs (_("(start > end)"), stdout);
6835
6836 putchar ('\n');
6837 }
6838}
6839
6840static void
6841display_debug_rnglists_list (unsigned char *start, unsigned char *finish,
6842 unsigned int pointer_size, unsigned long offset,
6843 unsigned long base_address)
6844{
6845 unsigned char *next = start;
6846
6847 while (1)
6848 {
6849 unsigned long off = offset + (start - next);
6850 enum dwarf_range_list_entry rlet;
9dfd0db9
JK		 6851 /* Initialize it due to a false compiler warning. */
6852 dwarf_vma begin = -1, length, end = -1;
77145576
JK		 6853
6854 if (start + 1 > finish)
6855 {
6856 warn (_("Range list starting at offset 0x%lx is not terminated.\n"),
6857 offset);
6858 break;
6859 }
6860
6861 printf (" %8.8lx ", off);
6862
6863 SAFE_BYTE_GET_AND_INC (rlet, start, 1, finish);
6864
6865 switch (rlet)
6866 {
6867 case DW_RLE_end_of_list:
6868 printf (_("<End of list>\n"));
6869 break;
6870 case DW_RLE_base_address:
6871 SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, finish);
6872 print_dwarf_vma (base_address, pointer_size);
6873 printf (_("(base address)\n"));
6874 break;
6875 case DW_RLE_start_length:
6876 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
cd30bcef 6877 READ_ULEB (length, start, finish);
77145576
JK		 6878 end = begin + length;
6879 break;
6880 case DW_RLE_offset_pair:
cd30bcef
AM		 6881 READ_ULEB (begin, start, finish);
6882 READ_ULEB (end, start, finish);
77145576
JK		 6883 break;
6884 case DW_RLE_start_end:
6885 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
6886 SAFE_BYTE_GET_AND_INC (end, start, pointer_size, finish);
6887 break;
6888 default:
6889 error (_("Invalid range list entry type %d\n"), rlet);
6890 rlet = DW_RLE_end_of_list;
6891 break;
6892 }
6893 if (rlet == DW_RLE_end_of_list)
6894 break;
6895 if (rlet == DW_RLE_base_address)
6896 continue;
6897
6898 print_dwarf_vma (begin + base_address, pointer_size);
6899 print_dwarf_vma (end + base_address, pointer_size);
6900
6901 if (begin == end)
6902 fputs (_("(start == end)"), stdout);
6903 else if (begin > end)
6904 fputs (_("(start > end)"), stdout);
6905
6906 putchar ('\n');
6907 }
6908}
6909
19e6b90e
L		 6910static int
6911display_debug_ranges (struct dwarf_section *section,
6912 void *file ATTRIBUTE_UNUSED)
6913{
6914 unsigned char *start = section->start;
a2ff7a4b 6915 unsigned char *last_start = start;
f6f0e17b 6916 unsigned long bytes = section->size;
19e6b90e 6917 unsigned char *section_begin = start;
f6f0e17b 6918 unsigned char *finish = start + bytes;
01a8f077
JK		 6919 unsigned int num_range_list, i;
6920 struct range_entry *range_entries, *range_entry_fill;
77145576
JK		 6921 int is_rnglists = strstr (section->name, "debug_rnglists") != NULL;
6922 /* Initialize it due to a false compiler warning. */
6923 unsigned char address_size = 0;
19e6b90e 6924
19e6b90e
L		 6925 if (bytes == 0)
6926 {
6927 printf (_("\nThe %s section is empty.\n"), section->name);
6928 return 0;
6929 }
6930
77145576
JK		 6931 if (is_rnglists)
6932 {
6933 dwarf_vma initial_length;
6934 unsigned int initial_length_size;
6935 unsigned char segment_selector_size;
6936 unsigned int offset_size, offset_entry_count;
6937 unsigned short version;
6938
6939 /* Get and check the length of the block. */
6940 SAFE_BYTE_GET_AND_INC (initial_length, start, 4, finish);
6941
6942 if (initial_length == 0xffffffff)
6943 {
6944 /* This section is 64-bit DWARF 3. */
6945 SAFE_BYTE_GET_AND_INC (initial_length, start, 8, finish);
6946 offset_size = 8;
6947 initial_length_size = 12;
6948 }
6949 else
6950 {
6951 offset_size = 4;
6952 initial_length_size = 4;
6953 }
6954
6955 if (initial_length + initial_length_size > section->size)
6956 {
6957 /* If the length field has a relocation against it, then we should
6958 not complain if it is inaccurate (and probably negative).
6959 It is copied from .debug_line handling code. */
6960 if (reloc_at (section, (start - section->start) - offset_size))
6961 {
6962 initial_length = (finish - start) - initial_length_size;
6963 }
6964 else
6965 {
6966 warn (_("The length field (0x%lx) in the debug_rnglists header is wrong - the section is too small\n"),
6967 (long) initial_length);
6968 return 0;
6969 }
6970 }
6971
6972 /* Get and check the version number. */
6973 SAFE_BYTE_GET_AND_INC (version, start, 2, finish);
6974
6975 if (version != 5)
6976 {
6977 warn (_("Only DWARF version 5 debug_rnglists info "
6978 "is currently supported.\n"));
6979 return 0;
6980 }
6981
6982 SAFE_BYTE_GET_AND_INC (address_size, start, 1, finish);
6983
6984 SAFE_BYTE_GET_AND_INC (segment_selector_size, start, 1, finish);
6985 if (segment_selector_size != 0)
6986 {
6987 warn (_("The %s section contains "
6988 "unsupported segment selector size: %d.\n"),
6989 section->name, segment_selector_size);
6990 return 0;
6991 }
6992
6993 SAFE_BYTE_GET_AND_INC (offset_entry_count, start, 4, finish);
6994 if (offset_entry_count != 0)
6995 {
6996 warn (_("The %s section contains "
6997 "unsupported offset entry count: %u.\n"),
6998 section->name, offset_entry_count);
6999 return 0;
7000 }
7001 }
7002
1febe64d
NC		 7003 if (load_debug_info (file) == 0)
7004 {
7005 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
7006 section->name);
7007 return 0;
7008 }
19e6b90e 7009
01a8f077 7010 num_range_list = 0;
19e6b90e 7011 for (i = 0; i < num_debug_info_entries; i++)
01a8f077 7012 num_range_list += debug_information [i].num_range_lists;
19e6b90e 7013
01a8f077 7014 if (num_range_list == 0)
4723351a
CC		 7015 {
7016 /* This can happen when the file was compiled with -gsplit-debug
b4eb7656 7017 which removes references to range lists from the primary .o file. */
4723351a
CC		 7018 printf (_("No range lists in .debug_info section.\n"));
7019 return 1;
7020 }
19e6b90e 7021
3f5e193b
NC		 7022 range_entries = (struct range_entry *)
7023 xmalloc (sizeof (*range_entries) * num_range_list);
01a8f077 7024 range_entry_fill = range_entries;
19e6b90e 7025
01a8f077
JK		 7026 for (i = 0; i < num_debug_info_entries; i++)
7027 {
7028 debug_info *debug_info_p = &debug_information[i];
7029 unsigned int j;
7030
7031 for (j = 0; j < debug_info_p->num_range_lists; j++)
7032 {
7033 range_entry_fill->ranges_offset = debug_info_p->range_lists[j];
7034 range_entry_fill->debug_info_p = debug_info_p;
7035 range_entry_fill++;
19e6b90e
L		 7036 }
7037 }
7038
01a8f077
JK		 7039 qsort (range_entries, num_range_list, sizeof (*range_entries),
7040 range_entry_compar);
19e6b90e 7041
d493b283 7042 if (dwarf_check != 0 && range_entries[0].ranges_offset != 0)
19e6b90e 7043 warn (_("Range lists in %s section start at 0x%lx\n"),
359ca075 7044 section->name, (unsigned long) range_entries[0].ranges_offset);
19e6b90e 7045
dda8d76d
NC		 7046 introduce (section, FALSE);
7047
19e6b90e
L		 7048 printf (_(" Offset Begin End\n"));
7049
01a8f077 7050 for (i = 0; i < num_range_list; i++)
19e6b90e 7051 {
01a8f077
JK		 7052 struct range_entry *range_entry = &range_entries[i];
7053 debug_info *debug_info_p = range_entry->debug_info_p;
19e6b90e 7054 unsigned int pointer_size;
359ca075 7055 dwarf_vma offset;
01a8f077 7056 unsigned char *next;
359ca075 7057 dwarf_vma base_address;
19e6b90e 7058
77145576 7059 pointer_size = (is_rnglists ? address_size : debug_info_p->pointer_size);
d493b283 7060 offset = range_entry->ranges_offset;
01a8f077
JK		 7061 next = section_begin + offset;
7062 base_address = debug_info_p->base_address;
cecf136e 7063
f41e4712
NC		 7064 /* PR 17512: file: 001-101485-0.001:0.1. */
7065 if (pointer_size < 2 || pointer_size > 8)
7066 {
7067 warn (_("Corrupt pointer size (%d) in debug entry at offset %8.8lx\n"),
359ca075 7068 pointer_size, (unsigned long) offset);
f41e4712
NC		 7069 continue;
7070 }
b4eb7656 7071
d11ae95e
NC		 7072 if (next < section_begin || next >= finish)
7073 {
7074 warn (_("Corrupt offset (%#8.8lx) in range entry %u\n"),
7075 (unsigned long) offset, i);
7076 continue;
7077 }
7078
4723351a 7079 if (dwarf_check != 0 && i > 0)
19e6b90e 7080 {
01a8f077
JK		 7081 if (start < next)
7082 warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"),
7083 (unsigned long) (start - section_begin),
7084 (unsigned long) (next - section_begin), section->name);
7085 else if (start > next)
a2ff7a4b
AM		 7086 {
7087 if (next == last_start)
7088 continue;
7089 warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"),
7090 (unsigned long) (start - section_begin),
7091 (unsigned long) (next - section_begin), section->name);
7092 }
01a8f077 7093 }
d11ae95e 7094
01a8f077 7095 start = next;
a2ff7a4b 7096 last_start = next;
19e6b90e 7097
77145576
JK		 7098 (is_rnglists ? display_debug_rnglists_list : display_debug_ranges_list)
7099 (start, finish, pointer_size, offset, base_address);
19e6b90e
L		 7100 }
7101 putchar ('\n');
01a8f077
JK		 7102
7103 free (range_entries);
7104
19e6b90e
L		 7105 return 1;
7106}
7107
7108typedef struct Frame_Chunk
7109{
7110 struct Frame_Chunk *next;
7111 unsigned char *chunk_start;
a1165289 7112 unsigned int ncols;
19e6b90e
L		 7113 /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */
7114 short int *col_type;
7115 int *col_offset;
7116 char *augmentation;
7117 unsigned int code_factor;
7118 int data_factor;
bf5117e3
NC		 7119 dwarf_vma pc_begin;
7120 dwarf_vma pc_range;
32ef3000 7121 unsigned int cfa_reg;
c8071705 7122 dwarf_vma cfa_offset;
a1165289 7123 unsigned int ra;
19e6b90e
L		 7124 unsigned char fde_encoding;
7125 unsigned char cfa_exp;
604282a7
JJ		 7126 unsigned char ptr_size;
7127 unsigned char segment_size;
19e6b90e
L		 7128}
7129Frame_Chunk;
7130
1296bc99
AB		 7131typedef const char *(*dwarf_regname_lookup_ftype) (unsigned int);
7132static dwarf_regname_lookup_ftype dwarf_regnames_lookup_func;
665ce1f6
L		 7133static const char *const *dwarf_regnames;
7134static unsigned int dwarf_regnames_count;
7135
1296bc99 7136
19e6b90e
L		 7137/* A marker for a col_type that means this column was never referenced
7138 in the frame info. */
7139#define DW_CFA_unreferenced (-1)
7140
a1165289 7141/* Return 0 if no more space is needed, 1 if more space is needed,
665ce1f6
L		 7142 -1 for invalid reg. */
7143
7144static int
7145frame_need_space (Frame_Chunk *fc, unsigned int reg)
19e6b90e 7146{
a1165289 7147 unsigned int prev = fc->ncols;
19e6b90e 7148
665ce1f6
L		 7149 if (reg < (unsigned int) fc->ncols)
7150 return 0;
7151
d9acf707 7152 if (dwarf_regnames_count > 0
665ce1f6
L		 7153 && reg > dwarf_regnames_count)
7154 return -1;
19e6b90e
L		 7155
7156 fc->ncols = reg + 1;
a1165289
NC		 7157 /* PR 17512: file: 10450-2643-0.004.
7158 If reg == -1 then this can happen... */
7159 if (fc->ncols == 0)
7160 return -1;
7161
06614111 7162 /* PR 17512: file: 2844a11d. */
d9acf707 7163 if (fc->ncols > 1024 && dwarf_regnames_count == 0)
06614111
NC		 7164 {
7165 error (_("Unfeasibly large register number: %u\n"), reg);
7166 fc->ncols = 0;
7167 /* FIXME: 1024 is an arbitrary limit. Increase it if
7168 we ever encounter a valid binary that exceeds it. */
7169 return -1;
7170 }
7171
3f5e193b 7172 fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols,
b4eb7656 7173 sizeof (short int));
3f5e193b 7174 fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int));
b4eb7656 7175 /* PR 17512: file:002-10025-0.005. */
041830e0
NC		 7176 if (fc->col_type == NULL || fc->col_offset == NULL)
7177 {
7178 error (_("Out of memory allocating %u columns in dwarf frame arrays\n"),
7179 fc->ncols);
7180 fc->ncols = 0;
7181 return -1;
7182 }
19e6b90e
L		 7183
7184 while (prev < fc->ncols)
7185 {
7186 fc->col_type[prev] = DW_CFA_unreferenced;
7187 fc->col_offset[prev] = 0;
7188 prev++;
7189 }
665ce1f6 7190 return 1;
19e6b90e
L		 7191}
7192
2dc4cec1
L		 7193static const char *const dwarf_regnames_i386[] =
7194{
43234a1e
L		 7195 "eax", "ecx", "edx", "ebx", /* 0 - 3 */
7196 "esp", "ebp", "esi", "edi", /* 4 - 7 */
7197 "eip", "eflags", NULL, /* 8 - 10 */
7198 "st0", "st1", "st2", "st3", /* 11 - 14 */
7199 "st4", "st5", "st6", "st7", /* 15 - 18 */
7200 NULL, NULL, /* 19 - 20 */
7201 "xmm0", "xmm1", "xmm2", "xmm3", /* 21 - 24 */
7202 "xmm4", "xmm5", "xmm6", "xmm7", /* 25 - 28 */
7203 "mm0", "mm1", "mm2", "mm3", /* 29 - 32 */
7204 "mm4", "mm5", "mm6", "mm7", /* 33 - 36 */
7205 "fcw", "fsw", "mxcsr", /* 37 - 39 */
7206 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */
7207 "tr", "ldtr", /* 48 - 49 */
7208 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */
7209 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */
7210 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */
7211 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */
7212 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */
7213 NULL, NULL, NULL, /* 90 - 92 */
7214 "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" /* 93 - 100 */
2dc4cec1
L		 7215};
7216
3d875af5
L		 7217static const char *const dwarf_regnames_iamcu[] =
7218{
7219 "eax", "ecx", "edx", "ebx", /* 0 - 3 */
7220 "esp", "ebp", "esi", "edi", /* 4 - 7 */
7221 "eip", "eflags", NULL, /* 8 - 10 */
7222 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 11 - 18 */
7223 NULL, NULL, /* 19 - 20 */
7224 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 21 - 28 */
7225 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 29 - 36 */
7226 NULL, NULL, NULL, /* 37 - 39 */
7227 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */
7228 "tr", "ldtr", /* 48 - 49 */
7229 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */
7230 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */
7231 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */
7232 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */
7233 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */
7234 NULL, NULL, NULL, /* 90 - 92 */
7235 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL /* 93 - 100 */
7236};
7237
99f6fdd9 7238static void
b129eb0e
RH		 7239init_dwarf_regnames_i386 (void)
7240{
7241 dwarf_regnames = dwarf_regnames_i386;
7242 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386);
1296bc99 7243 dwarf_regnames_lookup_func = regname_internal_by_table_only;
b129eb0e
RH		 7244}
7245
99f6fdd9 7246static void
3d875af5
L		 7247init_dwarf_regnames_iamcu (void)
7248{
7249 dwarf_regnames = dwarf_regnames_iamcu;
7250 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_iamcu);
1296bc99 7251 dwarf_regnames_lookup_func = regname_internal_by_table_only;
3d875af5
L		 7252}
7253
2dc4cec1
L		 7254static const char *const dwarf_regnames_x86_64[] =
7255{
7256 "rax", "rdx", "rcx", "rbx",
7257 "rsi", "rdi", "rbp", "rsp",
7258 "r8", "r9", "r10", "r11",
7259 "r12", "r13", "r14", "r15",
7260 "rip",
7261 "xmm0", "xmm1", "xmm2", "xmm3",
7262 "xmm4", "xmm5", "xmm6", "xmm7",
7263 "xmm8", "xmm9", "xmm10", "xmm11",
7264 "xmm12", "xmm13", "xmm14", "xmm15",
7265 "st0", "st1", "st2", "st3",
7266 "st4", "st5", "st6", "st7",
7267 "mm0", "mm1", "mm2", "mm3",
7268 "mm4", "mm5", "mm6", "mm7",
7269 "rflags",
7270 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL,
7271 "fs.base", "gs.base", NULL, NULL,
7272 "tr", "ldtr",
43234a1e
L		 7273 "mxcsr", "fcw", "fsw",
7274 "xmm16", "xmm17", "xmm18", "xmm19",
7275 "xmm20", "xmm21", "xmm22", "xmm23",
7276 "xmm24", "xmm25", "xmm26", "xmm27",
7277 "xmm28", "xmm29", "xmm30", "xmm31",
7278 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 83 - 90 */
7279 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 91 - 98 */
7280 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 99 - 106 */
7281 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 107 - 114 */
7282 NULL, NULL, NULL, /* 115 - 117 */
7283 "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7"
2dc4cec1
L		 7284};
7285
99f6fdd9 7286static void
b129eb0e
RH		 7287init_dwarf_regnames_x86_64 (void)
7288{
7289 dwarf_regnames = dwarf_regnames_x86_64;
7290 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64);
1296bc99 7291 dwarf_regnames_lookup_func = regname_internal_by_table_only;
b129eb0e
RH		 7292}
7293
4ee22035
RH		 7294static const char *const dwarf_regnames_aarch64[] =
7295{
b4eb7656
AM		 7296 "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7",
7297 "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15",
4ee22035
RH		 7298 "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23",
7299 "x24", "x25", "x26", "x27", "x28", "x29", "x30", "sp",
7300 NULL, "elr", NULL, NULL, NULL, NULL, NULL, NULL,
fab7c86e
TC		 7301 NULL, NULL, NULL, NULL, NULL, NULL, "vg", "ffr",
7302 "p0", "p1", "p2", "p3", "p4", "p5", "p6", "p7",
7303 "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15",
b4eb7656
AM		 7304 "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
7305 "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15",
4ee22035
RH		 7306 "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
7307 "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31",
fab7c86e
TC		 7308 "z0", "z1", "z2", "z3", "z4", "z5", "z6", "z7",
7309 "z8", "z9", "z10", "z11", "z12", "z13", "z14", "z15",
7310 "z16", "z17", "z18", "z19", "z20", "z21", "z22", "z23",
7311 "z24", "z25", "z26", "z27", "z28", "z29", "z30", "z31",
4ee22035
RH		 7312};
7313
99f6fdd9 7314static void
4ee22035
RH		 7315init_dwarf_regnames_aarch64 (void)
7316{
7317 dwarf_regnames = dwarf_regnames_aarch64;
7318 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_aarch64);
1296bc99 7319 dwarf_regnames_lookup_func = regname_internal_by_table_only;
4ee22035
RH		 7320}
7321
d6bb17b0
AA		 7322static const char *const dwarf_regnames_s390[] =
7323{
7324 /* Avoid saying "r5 (r5)", so omit the names of r0-r15. */
7325 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7326 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7327 "f0", "f2", "f4", "f6", "f1", "f3", "f5", "f7",
7328 "f8", "f10", "f12", "f14", "f9", "f11", "f13", "f15",
7329 "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",
7330 "cr8", "cr9", "cr10", "cr11", "cr12", "cr13", "cr14", "cr15",
7331 "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7",
7332 "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15",
7333 "pswm", "pswa",
7334 NULL, NULL,
7335 "v16", "v18", "v20", "v22", "v17", "v19", "v21", "v23",
7336 "v24", "v26", "v28", "v30", "v25", "v27", "v29", "v31",
7337};
7338
99f6fdd9 7339static void
d6bb17b0
AA		 7340init_dwarf_regnames_s390 (void)
7341{
7342 dwarf_regnames = dwarf_regnames_s390;
7343 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_s390);
1296bc99 7344 dwarf_regnames_lookup_func = regname_internal_by_table_only;
d6bb17b0
AA		 7345}
7346
5bb0830d
AB		 7347static const char *const dwarf_regnames_riscv[] =
7348{
7349 "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", /* 0 - 7 */
7350 "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", /* 8 - 15 */
7351 "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", /* 16 - 23 */
7352 "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", /* 24 - 31 */
7353 "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", /* 32 - 39 */
7354 "fs0", "fs1", /* 40 - 41 */
7355 "fa0", "fa1", "fa2", "fa3", "fa4", "fa5", "fa6", "fa7", /* 42 - 49 */
7356 "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", "fs8", "fs9", /* 50 - 57 */
7357 "fs10", "fs11", /* 58 - 59 */
7358 "ft8", "ft9", "ft10", "ft11" /* 60 - 63 */
7359};
7360
4762fe62
AB		 7361/* A RISC-V replacement for REGNAME_INTERNAL_BY_TABLE_ONLY which handles
7362 the large number of CSRs. */
7363
7364static const char *
7365regname_internal_riscv (unsigned int regno)
7366{
7367 const char *name = NULL;
7368
7369 /* Lookup in the table first, this covers GPR and FPR. */
7370 if (regno < ARRAY_SIZE (dwarf_regnames_riscv))
7371 name = dwarf_regnames_riscv [regno];
7372 else if (regno >= 4096 && regno <= 8191)
7373 {
7374 /* This might be a CSR, these live in a sparse number space from 4096
7375 to 8191 These numbers are defined in the RISC-V ELF ABI
7376 document. */
7377 switch (regno)
7378 {
7379#define DECLARE_CSR(NAME,VALUE) case VALUE + 4096: name = #NAME; break;
7380#include "opcode/riscv-opc.h"
7381#undef DECLARE_CSR
7382
7383 default:
7384 {
7385 static char csr_name[10];
7386 snprintf (csr_name, sizeof (csr_name), "csr%d", (regno - 4096));
7387 name = csr_name;
7388 }
7389 break;
7390 }
7391 }
7392
7393 return name;
7394}
7395
99f6fdd9 7396static void
5bb0830d
AB		 7397init_dwarf_regnames_riscv (void)
7398{
4762fe62
AB		 7399 dwarf_regnames = NULL;
7400 dwarf_regnames_count = 8192;
7401 dwarf_regnames_lookup_func = regname_internal_riscv;
5bb0830d
AB		 7402}
7403
2dc4cec1 7404void
955ff7fc 7405init_dwarf_regnames_by_elf_machine_code (unsigned int e_machine)
2dc4cec1 7406{
1296bc99
AB		 7407 dwarf_regnames_lookup_func = NULL;
7408
2dc4cec1
L		 7409 switch (e_machine)
7410 {
7411 case EM_386:
b129eb0e 7412 init_dwarf_regnames_i386 ();
2dc4cec1
L		 7413 break;
7414
3d875af5
L		 7415 case EM_IAMCU:
7416 init_dwarf_regnames_iamcu ();
7417 break;
7418
2dc4cec1 7419 case EM_X86_64:
7f502d6c 7420 case EM_L1OM:
7a9068fe 7421 case EM_K1OM:
b129eb0e 7422 init_dwarf_regnames_x86_64 ();
2dc4cec1
L		 7423 break;
7424
4ee22035
RH		 7425 case EM_AARCH64:
7426 init_dwarf_regnames_aarch64 ();
7427 break;
7428
d6bb17b0
AA		 7429 case EM_S390:
7430 init_dwarf_regnames_s390 ();
7431 break;
7432
5bb0830d
AB		 7433 case EM_RISCV:
7434 init_dwarf_regnames_riscv ();
7435 break;
7436
2dc4cec1
L		 7437 default:
7438 break;
7439 }
7440}
7441
229a22cf
AB		 7442/* Initialize the DWARF register name lookup state based on the
7443 architecture and specific machine type of a BFD. */
7444
7445void
7446init_dwarf_regnames_by_bfd_arch_and_mach (enum bfd_architecture arch,
7447 unsigned long mach)
7448{
1296bc99
AB		 7449 dwarf_regnames_lookup_func = NULL;
7450
229a22cf
AB		 7451 switch (arch)
7452 {
7453 case bfd_arch_i386:
7454 switch (mach)
7455 {
7456 case bfd_mach_x86_64:
7457 case bfd_mach_x86_64_intel_syntax:
7458 case bfd_mach_x86_64_nacl:
7459 case bfd_mach_x64_32:
7460 case bfd_mach_x64_32_intel_syntax:
7461 case bfd_mach_x64_32_nacl:
7462 init_dwarf_regnames_x86_64 ();
7463 break;
7464
7465 default:
7466 init_dwarf_regnames_i386 ();
7467 break;
7468 }
7469 break;
7470
7471 case bfd_arch_iamcu:
7472 init_dwarf_regnames_iamcu ();
7473 break;
7474
7475 case bfd_arch_aarch64:
7476 init_dwarf_regnames_aarch64();
7477 break;
7478
7479 case bfd_arch_s390:
7480 init_dwarf_regnames_s390 ();
7481 break;
7482
7483 case bfd_arch_riscv:
7484 init_dwarf_regnames_riscv ();
7485 break;
7486
7487 default:
7488 break;
7489 }
7490}
7491
2dc4cec1 7492static const char *
1296bc99 7493regname_internal_by_table_only (unsigned int regno)
2dc4cec1 7494{
1296bc99 7495 if (dwarf_regnames != NULL
2dc4cec1
L		 7496 && regno < dwarf_regnames_count
7497 && dwarf_regnames [regno] != NULL)
1296bc99
AB		 7498 return dwarf_regnames [regno];
7499
7500 return NULL;
7501}
7502
7503static const char *
7504regname (unsigned int regno, int name_only_p)
7505{
7506 static char reg[64];
7507
7508 const char *name = NULL;
7509
7510 if (dwarf_regnames_lookup_func != NULL)
7511 name = dwarf_regnames_lookup_func (regno);
7512
7513 if (name != NULL)
2dc4cec1 7514 {
1296bc99
AB		 7515 if (name_only_p)
7516 return name;
7517 snprintf (reg, sizeof (reg), "r%d (%s)", regno, name);
2dc4cec1
L		 7518 }
7519 else
7520 snprintf (reg, sizeof (reg), "r%d", regno);
7521 return reg;
7522}
7523
19e6b90e 7524static void
a1165289 7525frame_display_row (Frame_Chunk *fc, int *need_col_headers, unsigned int *max_regs)
19e6b90e 7526{
a1165289 7527 unsigned int r;
19e6b90e
L		 7528 char tmp[100];
7529
d8024a91 7530 if (*max_regs != fc->ncols)
19e6b90e
L		 7531 *max_regs = fc->ncols;
7532
7533 if (*need_col_headers)
7534 {
91d6fa6a 7535 static const char *sloc = " LOC";
2dc4cec1 7536
19e6b90e
L		 7537 *need_col_headers = 0;
7538
91d6fa6a 7539 printf ("%-*s CFA ", eh_addr_size * 2, sloc);
19e6b90e
L		 7540
7541 for (r = 0; r < *max_regs; r++)
7542 if (fc->col_type[r] != DW_CFA_unreferenced)
7543 {
7544 if (r == fc->ra)
50751e18 7545 printf ("ra ");
19e6b90e 7546 else
2dc4cec1 7547 printf ("%-5s ", regname (r, 1));
19e6b90e
L		 7548 }
7549
7550 printf ("\n");
7551 }
7552
bf5117e3 7553 print_dwarf_vma (fc->pc_begin, eh_addr_size);
19e6b90e
L		 7554 if (fc->cfa_exp)
7555 strcpy (tmp, "exp");
7556 else
c8071705 7557 sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), (int) fc->cfa_offset);
19e6b90e
L		 7558 printf ("%-8s ", tmp);
7559
7560 for (r = 0; r < fc->ncols; r++)
7561 {
7562 if (fc->col_type[r] != DW_CFA_unreferenced)
7563 {
7564 switch (fc->col_type[r])
7565 {
7566 case DW_CFA_undefined:
7567 strcpy (tmp, "u");
7568 break;
7569 case DW_CFA_same_value:
7570 strcpy (tmp, "s");
7571 break;
7572 case DW_CFA_offset:
7573 sprintf (tmp, "c%+d", fc->col_offset[r]);
7574 break;
12eae2d3
JJ		 7575 case DW_CFA_val_offset:
7576 sprintf (tmp, "v%+d", fc->col_offset[r]);
7577 break;
19e6b90e 7578 case DW_CFA_register:
2dc4cec1 7579 sprintf (tmp, "%s", regname (fc->col_offset[r], 0));
19e6b90e
L		 7580 break;
7581 case DW_CFA_expression:
7582 strcpy (tmp, "exp");
7583 break;
12eae2d3
JJ		 7584 case DW_CFA_val_expression:
7585 strcpy (tmp, "vexp");
7586 break;
19e6b90e
L		 7587 default:
7588 strcpy (tmp, "n/a");
7589 break;
7590 }
2dc4cec1 7591 printf ("%-5s ", tmp);
19e6b90e
L		 7592 }
7593 }
7594 printf ("\n");
7595}
7596
49727e46 7597#define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end)
19e6b90e 7598
49727e46
AM		 7599static unsigned char *
7600read_cie (unsigned char *start, unsigned char *end,
7601 Frame_Chunk **p_cie, int *p_version,
bf59c5d5 7602 bfd_size_type *p_aug_len, unsigned char **p_aug)
49727e46
AM		 7603{
7604 int version;
7605 Frame_Chunk *fc;
49727e46 7606 unsigned char *augmentation_data = NULL;
bf59c5d5 7607 bfd_size_type augmentation_data_len = 0;
49727e46 7608
041830e0 7609 * p_cie = NULL;
f41e4712
NC		 7610 /* PR 17512: file: 001-228113-0.004. */
7611 if (start >= end)
7612 return end;
7613
49727e46
AM		 7614 fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
7615 memset (fc, 0, sizeof (Frame_Chunk));
7616
7617 fc->col_type = (short int *) xmalloc (sizeof (short int));
7618 fc->col_offset = (int *) xmalloc (sizeof (int));
7619
7620 version = *start++;
7621
7622 fc->augmentation = (char *) start;
f41e4712
NC		 7623 /* PR 17512: file: 001-228113-0.004.
7624 Skip past augmentation name, but avoid running off the end of the data. */
7625 while (start < end)
7626 if (* start ++ == '\0')
7627 break;
7628 if (start == end)
7629 {
7630 warn (_("No terminator for augmentation name\n"));
442a6ce8 7631 goto fail;
f41e4712 7632 }
49727e46
AM		 7633
7634 if (strcmp (fc->augmentation, "eh") == 0)
7635 start += eh_addr_size;
7636
7637 if (version >= 4)
7638 {
7639 GET (fc->ptr_size, 1);
77ef8654
NC		 7640 if (fc->ptr_size < 1 || fc->ptr_size > 8)
7641 {
7642 warn (_("Invalid pointer size (%d) in CIE data\n"), fc->ptr_size);
442a6ce8 7643 goto fail;
77ef8654
NC		 7644 }
7645
49727e46 7646 GET (fc->segment_size, 1);
77ef8654
NC		 7647 /* PR 17512: file: e99d2804. */
7648 if (fc->segment_size > 8 || fc->segment_size + fc->ptr_size > 8)
7649 {
7650 warn (_("Invalid segment size (%d) in CIE data\n"), fc->segment_size);
442a6ce8 7651 goto fail;
77ef8654
NC		 7652 }
7653
49727e46
AM		 7654 eh_addr_size = fc->ptr_size;
7655 }
7656 else
7657 {
7658 fc->ptr_size = eh_addr_size;
7659 fc->segment_size = 0;
7660 }
442a6ce8 7661
cd30bcef
AM		 7662 READ_ULEB (fc->code_factor, start, end);
7663 READ_SLEB (fc->data_factor, start, end);
442a6ce8 7664
49727e46
AM		 7665 if (version == 1)
7666 {
7667 GET (fc->ra, 1);
7668 }
7669 else
7670 {
cd30bcef 7671 READ_ULEB (fc->ra, start, end);
49727e46
AM		 7672 }
7673
7674 if (fc->augmentation[0] == 'z')
7675 {
cd30bcef 7676 READ_ULEB (augmentation_data_len, start, end);
49727e46 7677 augmentation_data = start;
a1165289 7678 /* PR 17512: file: 11042-2589-0.004. */
bf59c5d5 7679 if (augmentation_data_len > (bfd_size_type) (end - start))
a1165289 7680 {
bf59c5d5
NC		 7681 warn (_("Augmentation data too long: 0x%s, expected at most %#lx\n"),
7682 dwarf_vmatoa ("x", augmentation_data_len),
7683 (unsigned long) (end - start));
442a6ce8 7684 goto fail;
a1165289 7685 }
9c0f3d3f 7686 start += augmentation_data_len;
49727e46
AM		 7687 }
7688
7689 if (augmentation_data_len)
7690 {
058037d3
NC		 7691 unsigned char *p;
7692 unsigned char *q;
7693 unsigned char *qend;
b4eb7656 7694
49727e46
AM		 7695 p = (unsigned char *) fc->augmentation + 1;
7696 q = augmentation_data;
058037d3
NC		 7697 qend = q + augmentation_data_len;
7698
9c0f3d3f 7699 while (p < end && q < qend)
49727e46
AM		 7700 {
7701 if (*p == 'L')
7702 q++;
7703 else if (*p == 'P')
7704 q += 1 + size_of_encoded_value (*q);
7705 else if (*p == 'R')
7706 fc->fde_encoding = *q++;
7707 else if (*p == 'S')
7708 ;
09038062
ST		 7709 else if (*p == 'B')
7710 ;
49727e46
AM		 7711 else
7712 break;
7713 p++;
7714 }
c361b9ac
NC		 7715 /* Note - it is OK if this loop terminates with q < qend.
7716 Padding may have been inserted to align the end of the CIE. */
49727e46
AM		 7717 }
7718
7719 *p_cie = fc;
7720 if (p_version)
7721 *p_version = version;
7722 if (p_aug_len)
7723 {
7724 *p_aug_len = augmentation_data_len;
7725 *p_aug = augmentation_data;
7726 }
7727 return start;
442a6ce8
NC		 7728
7729 fail:
7730 free (fc->col_offset);
7731 free (fc->col_type);
7732 free (fc);
7733 return end;
49727e46
AM		 7734}
7735
d85bf2ba
NC		 7736/* Prints out the contents on the DATA array formatted as unsigned bytes.
7737 If do_wide is not enabled, then formats the output to fit into 80 columns.
7738 PRINTED contains the number of characters already written to the current
7739 output line. */
bf59c5d5
NC		 7740
7741static void
d85bf2ba
NC		 7742display_data (bfd_size_type printed,
7743 const unsigned char * data,
7744 const bfd_size_type len)
bf59c5d5 7745{
d85bf2ba
NC		 7746 if (do_wide || len < ((80 - printed) / 3))
7747 for (printed = 0; printed < len; ++printed)
7748 printf (" %02x", data[printed]);
bf59c5d5
NC		 7749 else
7750 {
d85bf2ba 7751 for (printed = 0; printed < len; ++printed)
bf59c5d5 7752 {
d85bf2ba 7753 if (printed % (80 / 3) == 0)
bf59c5d5 7754 putchar ('\n');
d85bf2ba 7755 printf (" %02x", data[printed]);
bf59c5d5
NC		 7756 }
7757 }
d85bf2ba
NC		 7758}
7759
7760/* Prints out the contents on the augmentation data array.
7761 If do_wide is not enabled, then formats the output to fit into 80 columns. */
7762
7763static void
7764display_augmentation_data (const unsigned char * data, const bfd_size_type len)
7765{
7766 bfd_size_type i;
7767
7768 i = printf (_(" Augmentation data: "));
7769 display_data (i, data, len);
bf59c5d5
NC		 7770}
7771
19e6b90e
L		 7772static int
7773display_debug_frames (struct dwarf_section *section,
7774 void *file ATTRIBUTE_UNUSED)
7775{
7776 unsigned char *start = section->start;
7777 unsigned char *end = start + section->size;
7778 unsigned char *section_start = start;
3391569f
NC		 7779 Frame_Chunk *chunks = NULL, *forward_refs = NULL;
7780 Frame_Chunk *remembered_state = NULL;
19e6b90e 7781 Frame_Chunk *rs;
3391569f 7782 bfd_boolean is_eh = strcmp (section->name, ".eh_frame") == 0;
a1165289 7783 unsigned int max_regs = 0;
665ce1f6 7784 const char *bad_reg = _("bad register: ");
77ef8654 7785 unsigned int saved_eh_addr_size = eh_addr_size;
19e6b90e 7786
dda8d76d 7787 introduce (section, FALSE);
19e6b90e
L		 7788
7789 while (start < end)
7790 {
7791 unsigned char *saved_start;
7792 unsigned char *block_end;
bf5117e3
NC		 7793 dwarf_vma length;
7794 dwarf_vma cie_id;
19e6b90e
L		 7795 Frame_Chunk *fc;
7796 Frame_Chunk *cie;
7797 int need_col_headers = 1;
7798 unsigned char *augmentation_data = NULL;
bf59c5d5 7799 bfd_size_type augmentation_data_len = 0;
bf5117e3
NC		 7800 unsigned int encoded_ptr_size = saved_eh_addr_size;
7801 unsigned int offset_size;
7802 unsigned int initial_length_size;
5b6312fd 7803 bfd_boolean all_nops;
19e6b90e
L		 7804
7805 saved_start = start;
19e6b90e 7806
0c588247 7807 SAFE_BYTE_GET_AND_INC (length, start, 4, end);
041830e0 7808
19e6b90e
L		 7809 if (length == 0)
7810 {
7811 printf ("\n%08lx ZERO terminator\n\n",
7812 (unsigned long)(saved_start - section_start));
6937bb54
NC		 7813 /* Skip any zero terminators that directly follow.
7814 A corrupt section size could have loaded a whole
7815 slew of zero filled memory bytes. eg
7816 PR 17512: file: 070-19381-0.004. */
7817 while (start < end && * start == 0)
7818 ++ start;
b758e50f 7819 continue;
19e6b90e
L		 7820 }
7821
7822 if (length == 0xffffffff)
7823 {
0c588247 7824 SAFE_BYTE_GET_AND_INC (length, start, 8, end);
19e6b90e
L		 7825 offset_size = 8;
7826 initial_length_size = 12;
7827 }
7828 else
7829 {
7830 offset_size = 4;
7831 initial_length_size = 4;
7832 }
7833
7834 block_end = saved_start + length + initial_length_size;
041830e0 7835 if (block_end > end || block_end < start)
53b8873b 7836 {
bf5117e3
NC		 7837 warn ("Invalid length 0x%s in FDE at %#08lx\n",
7838 dwarf_vmatoa_1 (NULL, length, offset_size),
7839 (unsigned long) (saved_start - section_start));
53b8873b
NC		 7840 block_end = end;
7841 }
0c588247
NC		 7842
7843 SAFE_BYTE_GET_AND_INC (cie_id, start, offset_size, end);
19e6b90e 7844
846a11e4
NC		 7845 if (is_eh ? (cie_id == 0) : ((offset_size == 4 && cie_id == DW_CIE_ID)
7846 || (offset_size == 8 && cie_id == DW64_CIE_ID)))
19e6b90e
L		 7847 {
7848 int version;
a1165289 7849 unsigned int mreg;
19e6b90e 7850
49727e46
AM		 7851 start = read_cie (start, end, &cie, &version,
7852 &augmentation_data_len, &augmentation_data);
041830e0
NC		 7853 /* PR 17512: file: 027-135133-0.005. */
7854 if (cie == NULL)
7855 break;
a1165289 7856
49727e46 7857 fc = cie;
19e6b90e
L		 7858 fc->next = chunks;
7859 chunks = fc;
7860 fc->chunk_start = saved_start;
a1165289 7861 mreg = max_regs > 0 ? max_regs - 1 : 0;
49727e46
AM		 7862 if (mreg < fc->ra)
7863 mreg = fc->ra;
06614111
NC		 7864 if (frame_need_space (fc, mreg) < 0)
7865 break;
49727e46
AM		 7866 if (fc->fde_encoding)
7867 encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
19e6b90e 7868
bf5117e3
NC		 7869 printf ("\n%08lx ", (unsigned long) (saved_start - section_start));
7870 print_dwarf_vma (length, fc->ptr_size);
9c41109d 7871 print_dwarf_vma (cie_id, offset_size);
bf5117e3 7872
19e6b90e 7873 if (do_debug_frames_interp)
bf5117e3
NC		 7874 {
7875 printf ("CIE \"%s\" cf=%d df=%d ra=%d\n", fc->augmentation,
7876 fc->code_factor, fc->data_factor, fc->ra);
7877 }
19e6b90e
L		 7878 else
7879 {
bf5117e3 7880 printf ("CIE\n");
19e6b90e
L		 7881 printf (" Version: %d\n", version);
7882 printf (" Augmentation: \"%s\"\n", fc->augmentation);
604282a7
JJ		 7883 if (version >= 4)
7884 {
7885 printf (" Pointer Size: %u\n", fc->ptr_size);
7886 printf (" Segment Size: %u\n", fc->segment_size);
7887 }
19e6b90e
L		 7888 printf (" Code alignment factor: %u\n", fc->code_factor);
7889 printf (" Data alignment factor: %d\n", fc->data_factor);
7890 printf (" Return address column: %d\n", fc->ra);
7891
7892 if (augmentation_data_len)
bf59c5d5 7893 display_augmentation_data (augmentation_data, augmentation_data_len);
a1165289 7894
19e6b90e
L		 7895 putchar ('\n');
7896 }
19e6b90e
L		 7897 }
7898 else
7899 {
7900 unsigned char *look_for;
7901 static Frame_Chunk fde_fc;
604282a7 7902 unsigned long segment_selector;
19e6b90e 7903
49727e46
AM		 7904 if (is_eh)
7905 {
7906 dwarf_vma sign = (dwarf_vma) 1 << (offset_size * 8 - 1);
7907 look_for = start - 4 - ((cie_id ^ sign) - sign);
7908 }
7909 else
7910 look_for = section_start + cie_id;
19e6b90e 7911
49727e46
AM		 7912 if (look_for <= saved_start)
7913 {
7914 for (cie = chunks; cie ; cie = cie->next)
7915 if (cie->chunk_start == look_for)
7916 break;
7917 }
7918 else
7919 {
7920 for (cie = forward_refs; cie ; cie = cie->next)
7921 if (cie->chunk_start == look_for)
7922 break;
7923 if (!cie)
7924 {
7925 unsigned int off_size;
7926 unsigned char *cie_scan;
19e6b90e 7927
49727e46
AM		 7928 cie_scan = look_for;
7929 off_size = 4;
7930 SAFE_BYTE_GET_AND_INC (length, cie_scan, 4, end);
7931 if (length == 0xffffffff)
7932 {
7933 SAFE_BYTE_GET_AND_INC (length, cie_scan, 8, end);
7934 off_size = 8;
7935 }
7936 if (length != 0)
7937 {
7938 dwarf_vma c_id;
7939
7940 SAFE_BYTE_GET_AND_INC (c_id, cie_scan, off_size, end);
7941 if (is_eh
7942 ? c_id == 0
7943 : ((off_size == 4 && c_id == DW_CIE_ID)
7944 || (off_size == 8 && c_id == DW64_CIE_ID)))
7945 {
7946 int version;
a1165289 7947 unsigned int mreg;
49727e46
AM		 7948
7949 read_cie (cie_scan, end, &cie, &version,
7950 &augmentation_data_len, &augmentation_data);
a1165289
NC		 7951 /* PR 17512: file: 3450-2098-0.004. */
7952 if (cie == NULL)
7953 {
7954 warn (_("Failed to read CIE information\n"));
7955 break;
7956 }
49727e46
AM		 7957 cie->next = forward_refs;
7958 forward_refs = cie;
7959 cie->chunk_start = look_for;
a1165289 7960 mreg = max_regs > 0 ? max_regs - 1 : 0;
49727e46
AM		 7961 if (mreg < cie->ra)
7962 mreg = cie->ra;
06614111
NC		 7963 if (frame_need_space (cie, mreg) < 0)
7964 {
7965 warn (_("Invalid max register\n"));
7966 break;
7967 }
49727e46
AM		 7968 if (cie->fde_encoding)
7969 encoded_ptr_size
7970 = size_of_encoded_value (cie->fde_encoding);
7971 }
7972 }
7973 }
7974 }
7975
7976 fc = &fde_fc;
7977 memset (fc, 0, sizeof (Frame_Chunk));
19e6b90e
L		 7978
7979 if (!cie)
7980 {
bf5117e3
NC		 7981 warn ("Invalid CIE pointer 0x%s in FDE at %#08lx\n",
7982 dwarf_vmatoa_1 (NULL, cie_id, offset_size),
7983 (unsigned long) (saved_start - section_start));
19e6b90e 7984 fc->ncols = 0;
3f5e193b
NC		 7985 fc->col_type = (short int *) xmalloc (sizeof (short int));
7986 fc->col_offset = (int *) xmalloc (sizeof (int));
06614111
NC		 7987 if (frame_need_space (fc, max_regs > 0 ? max_regs - 1 : 0) < 0)
7988 {
7989 warn (_("Invalid max register\n"));
7990 break;
7991 }
19e6b90e
L		 7992 cie = fc;
7993 fc->augmentation = "";
7994 fc->fde_encoding = 0;
604282a7
JJ		 7995 fc->ptr_size = eh_addr_size;
7996 fc->segment_size = 0;
19e6b90e
L		 7997 }
7998 else
7999 {
8000 fc->ncols = cie->ncols;
3f5e193b
NC		 8001 fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int));
8002 fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int));
19e6b90e
L		 8003 memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int));
8004 memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int));
8005 fc->augmentation = cie->augmentation;
604282a7
JJ		 8006 fc->ptr_size = cie->ptr_size;
8007 eh_addr_size = cie->ptr_size;
8008 fc->segment_size = cie->segment_size;
19e6b90e
L		 8009 fc->code_factor = cie->code_factor;
8010 fc->data_factor = cie->data_factor;
8011 fc->cfa_reg = cie->cfa_reg;
8012 fc->cfa_offset = cie->cfa_offset;
8013 fc->ra = cie->ra;
06614111
NC		 8014 if (frame_need_space (fc, max_regs > 0 ? max_regs - 1: 0) < 0)
8015 {
8016 warn (_("Invalid max register\n"));
8017 break;
8018 }
19e6b90e
L		 8019 fc->fde_encoding = cie->fde_encoding;
8020 }
8021
8022 if (fc->fde_encoding)
8023 encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
8024
604282a7
JJ		 8025 segment_selector = 0;
8026 if (fc->segment_size)
c8071705
NC		 8027 {
8028 if (fc->segment_size > sizeof (segment_selector))
8029 {
8030 /* PR 17512: file: 9e196b3e. */
8031 warn (_("Probably corrupt segment size: %d - using 4 instead\n"), fc->segment_size);
8032 fc->segment_size = 4;
8033 }
8034 SAFE_BYTE_GET_AND_INC (segment_selector, start, fc->segment_size, end);
8035 }
041830e0
NC		 8036
8037 fc->pc_begin = get_encoded_value (&start, fc->fde_encoding, section, end);
19e6b90e 8038
0c588247
NC		 8039 /* FIXME: It appears that sometimes the final pc_range value is
8040 encoded in less than encoded_ptr_size bytes. See the x86_64
8041 run of the "objcopy on compressed debug sections" test for an
8042 example of this. */
8043 SAFE_BYTE_GET_AND_INC (fc->pc_range, start, encoded_ptr_size, end);
bf5117e3 8044
19e6b90e
L		 8045 if (cie->augmentation[0] == 'z')
8046 {
cd30bcef 8047 READ_ULEB (augmentation_data_len, start, end);
19e6b90e 8048 augmentation_data = start;
bf59c5d5 8049 /* PR 17512 file: 722-8446-0.004 and PR 22386. */
d292364e 8050 if (augmentation_data_len > (bfd_size_type) (end - start))
0a9d414a 8051 {
d292364e
AM		 8052 warn (_("Augmentation data too long: 0x%s, "
8053 "expected at most %#lx\n"),
8054 dwarf_vmatoa ("x", augmentation_data_len),
8055 (unsigned long) (end - start));
0a9d414a
NC		 8056 start = end;
8057 augmentation_data = NULL;
8058 augmentation_data_len = 0;
8059 }
d292364e 8060 start += augmentation_data_len;
19e6b90e
L		 8061 }
8062
bf5117e3
NC		 8063 printf ("\n%08lx %s %s FDE cie=%08lx pc=",
8064 (unsigned long)(saved_start - section_start),
8065 dwarf_vmatoa_1 (NULL, length, fc->ptr_size),
9c41109d 8066 dwarf_vmatoa_1 (NULL, cie_id, offset_size),
604282a7 8067 (unsigned long)(cie->chunk_start - section_start));
bf5117e3 8068
604282a7
JJ		 8069 if (fc->segment_size)
8070 printf ("%04lx:", segment_selector);
bf5117e3
NC		 8071
8072 printf ("%s..%s\n",
8073 dwarf_vmatoa_1 (NULL, fc->pc_begin, fc->ptr_size),
8074 dwarf_vmatoa_1 (NULL, fc->pc_begin + fc->pc_range, fc->ptr_size));
8075
19e6b90e
L		 8076 if (! do_debug_frames_interp && augmentation_data_len)
8077 {
bf59c5d5 8078 display_augmentation_data (augmentation_data, augmentation_data_len);
19e6b90e
L		 8079 putchar ('\n');
8080 }
8081 }
8082
8083 /* At this point, fc is the current chunk, cie (if any) is set, and
8084 we're about to interpret instructions for the chunk. */
8085 /* ??? At present we need to do this always, since this sizes the
8086 fc->col_type and fc->col_offset arrays, which we write into always.
8087 We should probably split the interpreted and non-interpreted bits
8088 into two different routines, since there's so much that doesn't
8089 really overlap between them. */
8090 if (1 || do_debug_frames_interp)
8091 {
8092 /* Start by making a pass over the chunk, allocating storage
8093 and taking note of what registers are used. */
8094 unsigned char *tmp = start;
8095
8096 while (start < block_end)
8097 {
041830e0
NC		 8098 unsigned int reg, op, opa;
8099 unsigned long temp;
5929c344 8100 unsigned char * new_start;
19e6b90e
L		 8101
8102 op = *start++;
8103 opa = op & 0x3f;
8104 if (op & 0xc0)
8105 op &= 0xc0;
8106
8107 /* Warning: if you add any more cases to this switch, be
8108 sure to add them to the corresponding switch below. */
8109 switch (op)
8110 {
8111 case DW_CFA_advance_loc:
8112 break;
8113 case DW_CFA_offset:
cd30bcef 8114 SKIP_ULEB (start, end);
665ce1f6
L		 8115 if (frame_need_space (fc, opa) >= 0)
8116 fc->col_type[opa] = DW_CFA_undefined;
19e6b90e
L		 8117 break;
8118 case DW_CFA_restore:
665ce1f6
L		 8119 if (frame_need_space (fc, opa) >= 0)
8120 fc->col_type[opa] = DW_CFA_undefined;
19e6b90e
L		 8121 break;
8122 case DW_CFA_set_loc:
8123 start += encoded_ptr_size;
8124 break;
8125 case DW_CFA_advance_loc1:
8126 start += 1;
8127 break;
8128 case DW_CFA_advance_loc2:
8129 start += 2;
8130 break;
8131 case DW_CFA_advance_loc4:
8132 start += 4;
8133 break;
8134 case DW_CFA_offset_extended:
12eae2d3 8135 case DW_CFA_val_offset:
cd30bcef
AM		 8136 READ_ULEB (reg, start, end);
8137 SKIP_ULEB (start, end);
665ce1f6
L		 8138 if (frame_need_space (fc, reg) >= 0)
8139 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8140 break;
8141 case DW_CFA_restore_extended:
cd30bcef 8142 READ_ULEB (reg, start, end);
665ce1f6
L		 8143 if (frame_need_space (fc, reg) >= 0)
8144 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8145 break;
8146 case DW_CFA_undefined:
cd30bcef 8147 READ_ULEB (reg, start, end);
665ce1f6
L		 8148 if (frame_need_space (fc, reg) >= 0)
8149 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8150 break;
8151 case DW_CFA_same_value:
cd30bcef 8152 READ_ULEB (reg, start, end);
665ce1f6
L		 8153 if (frame_need_space (fc, reg) >= 0)
8154 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8155 break;
8156 case DW_CFA_register:
cd30bcef
AM		 8157 READ_ULEB (reg, start, end);
8158 SKIP_ULEB (start, end);
665ce1f6
L		 8159 if (frame_need_space (fc, reg) >= 0)
8160 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8161 break;
8162 case DW_CFA_def_cfa:
cd30bcef
AM		 8163 SKIP_ULEB (start, end);
8164 SKIP_ULEB (start, end);
19e6b90e
L		 8165 break;
8166 case DW_CFA_def_cfa_register:
cd30bcef 8167 SKIP_ULEB (start, end);
19e6b90e
L		 8168 break;
8169 case DW_CFA_def_cfa_offset:
cd30bcef 8170 SKIP_ULEB (start, end);
19e6b90e
L		 8171 break;
8172 case DW_CFA_def_cfa_expression:
cd30bcef 8173 READ_ULEB (temp, start, end);
5929c344
NC		 8174 new_start = start + temp;
8175 if (new_start < start)
041830e0
NC		 8176 {
8177 warn (_("Corrupt CFA_def expression value: %lu\n"), temp);
8178 start = block_end;
8179 }
8180 else
5929c344 8181 start = new_start;
19e6b90e
L		 8182 break;
8183 case DW_CFA_expression:
12eae2d3 8184 case DW_CFA_val_expression:
cd30bcef
AM		 8185 READ_ULEB (reg, start, end);
8186 READ_ULEB (temp, start, end);
5929c344
NC		 8187 new_start = start + temp;
8188 if (new_start < start)
041830e0 8189 {
b4eb7656 8190 /* PR 17512: file:306-192417-0.005. */
041830e0
NC		 8191 warn (_("Corrupt CFA expression value: %lu\n"), temp);
8192 start = block_end;
8193 }
8194 else
5929c344 8195 start = new_start;
665ce1f6
L		 8196 if (frame_need_space (fc, reg) >= 0)
8197 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8198 break;
8199 case DW_CFA_offset_extended_sf:
12eae2d3 8200 case DW_CFA_val_offset_sf:
cd30bcef
AM		 8201 READ_ULEB (reg, start, end);
8202 SKIP_SLEB (start, end);
665ce1f6
L		 8203 if (frame_need_space (fc, reg) >= 0)
8204 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8205 break;
8206 case DW_CFA_def_cfa_sf:
cd30bcef
AM		 8207 SKIP_ULEB (start, end);
8208 SKIP_SLEB (start, end);
19e6b90e
L		 8209 break;
8210 case DW_CFA_def_cfa_offset_sf:
cd30bcef 8211 SKIP_SLEB (start, end);
19e6b90e
L		 8212 break;
8213 case DW_CFA_MIPS_advance_loc8:
8214 start += 8;
8215 break;
8216 case DW_CFA_GNU_args_size:
cd30bcef 8217 SKIP_ULEB (start, end);
19e6b90e
L		 8218 break;
8219 case DW_CFA_GNU_negative_offset_extended:
cd30bcef
AM		 8220 READ_ULEB (reg, start, end);
8221 SKIP_ULEB (start, end);
665ce1f6
L		 8222 if (frame_need_space (fc, reg) >= 0)
8223 fc->col_type[reg] = DW_CFA_undefined;
8224 break;
19e6b90e
L		 8225 default:
8226 break;
8227 }
8228 }
8229 start = tmp;
8230 }
8231
5b6312fd
NC		 8232 all_nops = TRUE;
8233
19e6b90e
L		 8234 /* Now we know what registers are used, make a second pass over
8235 the chunk, this time actually printing out the info. */
8236
8237 while (start < block_end)
8238 {
362beea4 8239 unsigned char * tmp;
19e6b90e 8240 unsigned op, opa;
7f2c8a1d
NC		 8241 unsigned long ul, roffs;
8242 /* Note: It is tempting to use an unsigned long for 'reg' but there
8243 are various functions, notably frame_space_needed() that assume that
8244 reg is an unsigned int. */
8245 unsigned int reg;
8246 dwarf_signed_vma l;
bf5117e3 8247 dwarf_vma ofs;
19e6b90e 8248 dwarf_vma vma;
665ce1f6 8249 const char *reg_prefix = "";
19e6b90e
L		 8250
8251 op = *start++;
8252 opa = op & 0x3f;
8253 if (op & 0xc0)
8254 op &= 0xc0;
8255
5b6312fd
NC		 8256 /* Make a note if something other than DW_CFA_nop happens. */
8257 if (op != DW_CFA_nop)
8258 all_nops = FALSE;
8259
19e6b90e
L		 8260 /* Warning: if you add any more cases to this switch, be
8261 sure to add them to the corresponding switch above. */
8262 switch (op)
8263 {
8264 case DW_CFA_advance_loc:
8265 if (do_debug_frames_interp)
8266 frame_display_row (fc, &need_col_headers, &max_regs);
8267 else
bf5117e3 8268 printf (" DW_CFA_advance_loc: %d to %s\n",
19e6b90e 8269 opa * fc->code_factor,
b4eb7656 8270 dwarf_vmatoa_1 (NULL,
bf5117e3
NC		 8271 fc->pc_begin + opa * fc->code_factor,
8272 fc->ptr_size));
19e6b90e
L		 8273 fc->pc_begin += opa * fc->code_factor;
8274 break;
8275
8276 case DW_CFA_offset:
cd30bcef 8277 READ_ULEB (roffs, start, end);
665ce1f6
L		 8278 if (opa >= (unsigned int) fc->ncols)
8279 reg_prefix = bad_reg;
8280 if (! do_debug_frames_interp || *reg_prefix != '\0')
8281 printf (" DW_CFA_offset: %s%s at cfa%+ld\n",
8282 reg_prefix, regname (opa, 0),
8283 roffs * fc->data_factor);
8284 if (*reg_prefix == '\0')
8285 {
8286 fc->col_type[opa] = DW_CFA_offset;
8287 fc->col_offset[opa] = roffs * fc->data_factor;
8288 }
19e6b90e
L		 8289 break;
8290
8291 case DW_CFA_restore:
50751e18 8292 if (opa >= (unsigned int) fc->ncols)
665ce1f6
L		 8293 reg_prefix = bad_reg;
8294 if (! do_debug_frames_interp || *reg_prefix != '\0')
8295 printf (" DW_CFA_restore: %s%s\n",
8296 reg_prefix, regname (opa, 0));
50751e18
AK		 8297 if (*reg_prefix != '\0')
8298 break;
8299
8300 if (opa >= (unsigned int) cie->ncols
8301 || (do_debug_frames_interp
8302 && cie->col_type[opa] == DW_CFA_unreferenced))
8303 {
8304 fc->col_type[opa] = DW_CFA_undefined;
8305 fc->col_offset[opa] = 0;
8306 }
8307 else
665ce1f6
L		 8308 {
8309 fc->col_type[opa] = cie->col_type[opa];
8310 fc->col_offset[opa] = cie->col_offset[opa];
8311 }
19e6b90e
L		 8312 break;
8313
8314 case DW_CFA_set_loc:
6937bb54 8315 vma = get_encoded_value (&start, fc->fde_encoding, section, block_end);
19e6b90e
L		 8316 if (do_debug_frames_interp)
8317 frame_display_row (fc, &need_col_headers, &max_regs);
8318 else
bf5117e3
NC		 8319 printf (" DW_CFA_set_loc: %s\n",
8320 dwarf_vmatoa_1 (NULL, vma, fc->ptr_size));
19e6b90e
L		 8321 fc->pc_begin = vma;
8322 break;
8323
8324 case DW_CFA_advance_loc1:
0c588247 8325 SAFE_BYTE_GET_AND_INC (ofs, start, 1, end);
19e6b90e
L		 8326 if (do_debug_frames_interp)
8327 frame_display_row (fc, &need_col_headers, &max_regs);
8328 else
bf5117e3
NC		 8329 printf (" DW_CFA_advance_loc1: %ld to %s\n",
8330 (unsigned long) (ofs * fc->code_factor),
8331 dwarf_vmatoa_1 (NULL,
8332 fc->pc_begin + ofs * fc->code_factor,
8333 fc->ptr_size));
19e6b90e
L		 8334 fc->pc_begin += ofs * fc->code_factor;
8335 break;
8336
8337 case DW_CFA_advance_loc2:
6937bb54 8338 SAFE_BYTE_GET_AND_INC (ofs, start, 2, block_end);
19e6b90e
L		 8339 if (do_debug_frames_interp)
8340 frame_display_row (fc, &need_col_headers, &max_regs);
8341 else
bf5117e3
NC		 8342 printf (" DW_CFA_advance_loc2: %ld to %s\n",
8343 (unsigned long) (ofs * fc->code_factor),
8344 dwarf_vmatoa_1 (NULL,
8345 fc->pc_begin + ofs * fc->code_factor,
8346 fc->ptr_size));
19e6b90e
L		 8347 fc->pc_begin += ofs * fc->code_factor;
8348 break;
8349
8350 case DW_CFA_advance_loc4:
6937bb54 8351 SAFE_BYTE_GET_AND_INC (ofs, start, 4, block_end);
19e6b90e
L		 8352 if (do_debug_frames_interp)
8353 frame_display_row (fc, &need_col_headers, &max_regs);
8354 else
bf5117e3
NC		 8355 printf (" DW_CFA_advance_loc4: %ld to %s\n",
8356 (unsigned long) (ofs * fc->code_factor),
8357 dwarf_vmatoa_1 (NULL,
8358 fc->pc_begin + ofs * fc->code_factor,
8359 fc->ptr_size));
19e6b90e
L		 8360 fc->pc_begin += ofs * fc->code_factor;
8361 break;
8362
8363 case DW_CFA_offset_extended:
cd30bcef
AM		 8364 READ_ULEB (reg, start, end);
8365 READ_ULEB (roffs, start, end);
665ce1f6
L		 8366 if (reg >= (unsigned int) fc->ncols)
8367 reg_prefix = bad_reg;
8368 if (! do_debug_frames_interp || *reg_prefix != '\0')
8369 printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n",
8370 reg_prefix, regname (reg, 0),
8371 roffs * fc->data_factor);
8372 if (*reg_prefix == '\0')
8373 {
8374 fc->col_type[reg] = DW_CFA_offset;
8375 fc->col_offset[reg] = roffs * fc->data_factor;
8376 }
19e6b90e
L		 8377 break;
8378
12eae2d3 8379 case DW_CFA_val_offset:
cd30bcef
AM		 8380 READ_ULEB (reg, start, end);
8381 READ_ULEB (roffs, start, end);
665ce1f6
L		 8382 if (reg >= (unsigned int) fc->ncols)
8383 reg_prefix = bad_reg;
8384 if (! do_debug_frames_interp || *reg_prefix != '\0')
084303b8 8385 printf (" DW_CFA_val_offset: %s%s is cfa%+ld\n",
665ce1f6
L		 8386 reg_prefix, regname (reg, 0),
8387 roffs * fc->data_factor);
8388 if (*reg_prefix == '\0')
8389 {
8390 fc->col_type[reg] = DW_CFA_val_offset;
8391 fc->col_offset[reg] = roffs * fc->data_factor;
8392 }
12eae2d3
JJ		 8393 break;
8394
19e6b90e 8395 case DW_CFA_restore_extended:
cd30bcef 8396 READ_ULEB (reg, start, end);
50751e18 8397 if (reg >= (unsigned int) fc->ncols)
665ce1f6
L		 8398 reg_prefix = bad_reg;
8399 if (! do_debug_frames_interp || *reg_prefix != '\0')
8400 printf (" DW_CFA_restore_extended: %s%s\n",
8401 reg_prefix, regname (reg, 0));
50751e18
AK		 8402 if (*reg_prefix != '\0')
8403 break;
8404
8405 if (reg >= (unsigned int) cie->ncols)
8406 {
8407 fc->col_type[reg] = DW_CFA_undefined;
8408 fc->col_offset[reg] = 0;
8409 }
8410 else
665ce1f6
L		 8411 {
8412 fc->col_type[reg] = cie->col_type[reg];
8413 fc->col_offset[reg] = cie->col_offset[reg];
8414 }
19e6b90e
L		 8415 break;
8416
8417 case DW_CFA_undefined:
cd30bcef 8418 READ_ULEB (reg, start, end);
665ce1f6
L		 8419 if (reg >= (unsigned int) fc->ncols)
8420 reg_prefix = bad_reg;
8421 if (! do_debug_frames_interp || *reg_prefix != '\0')
8422 printf (" DW_CFA_undefined: %s%s\n",
8423 reg_prefix, regname (reg, 0));
8424 if (*reg_prefix == '\0')
8425 {
8426 fc->col_type[reg] = DW_CFA_undefined;
8427 fc->col_offset[reg] = 0;
8428 }
19e6b90e
L		 8429 break;
8430
8431 case DW_CFA_same_value:
cd30bcef 8432 READ_ULEB (reg, start, end);
665ce1f6
L		 8433 if (reg >= (unsigned int) fc->ncols)
8434 reg_prefix = bad_reg;
8435 if (! do_debug_frames_interp || *reg_prefix != '\0')
8436 printf (" DW_CFA_same_value: %s%s\n",
8437 reg_prefix, regname (reg, 0));
8438 if (*reg_prefix == '\0')
8439 {
8440 fc->col_type[reg] = DW_CFA_same_value;
8441 fc->col_offset[reg] = 0;
8442 }
19e6b90e
L		 8443 break;
8444
8445 case DW_CFA_register:
cd30bcef
AM		 8446 READ_ULEB (reg, start, end);
8447 READ_ULEB (roffs, start, end);
665ce1f6
L		 8448 if (reg >= (unsigned int) fc->ncols)
8449 reg_prefix = bad_reg;
8450 if (! do_debug_frames_interp || *reg_prefix != '\0')
2dc4cec1 8451 {
665ce1f6
L		 8452 printf (" DW_CFA_register: %s%s in ",
8453 reg_prefix, regname (reg, 0));
2dc4cec1
L		 8454 puts (regname (roffs, 0));
8455 }
665ce1f6
L		 8456 if (*reg_prefix == '\0')
8457 {
8458 fc->col_type[reg] = DW_CFA_register;
8459 fc->col_offset[reg] = roffs;
8460 }
19e6b90e
L		 8461 break;
8462
8463 case DW_CFA_remember_state:
8464 if (! do_debug_frames_interp)
8465 printf (" DW_CFA_remember_state\n");
3f5e193b 8466 rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
b4eb7656 8467 rs->cfa_offset = fc->cfa_offset;
d71ad7fc
RC		 8468 rs->cfa_reg = fc->cfa_reg;
8469 rs->ra = fc->ra;
8470 rs->cfa_exp = fc->cfa_exp;
19e6b90e 8471 rs->ncols = fc->ncols;
3f5e193b 8472 rs->col_type = (short int *) xcmalloc (rs->ncols,
b4eb7656 8473 sizeof (* rs->col_type));
d71ad7fc
RC		 8474 rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (* rs->col_offset));
8475 memcpy (rs->col_type, fc->col_type, rs->ncols * sizeof (* fc->col_type));
8476 memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (* fc->col_offset));
19e6b90e
L		 8477 rs->next = remembered_state;
8478 remembered_state = rs;
8479 break;
8480
8481 case DW_CFA_restore_state:
8482 if (! do_debug_frames_interp)
8483 printf (" DW_CFA_restore_state\n");
8484 rs = remembered_state;
8485 if (rs)
8486 {
8487 remembered_state = rs->next;
d71ad7fc
RC		 8488 fc->cfa_offset = rs->cfa_offset;
8489 fc->cfa_reg = rs->cfa_reg;
b4eb7656
AM		 8490 fc->ra = rs->ra;
8491 fc->cfa_exp = rs->cfa_exp;
06614111
NC		 8492 if (frame_need_space (fc, rs->ncols - 1) < 0)
8493 {
1306a742 8494 warn (_("Invalid column number in saved frame state\n"));
06614111
NC		 8495 fc->ncols = 0;
8496 break;
8497 }
d71ad7fc 8498 memcpy (fc->col_type, rs->col_type, rs->ncols * sizeof (* rs->col_type));
19e6b90e 8499 memcpy (fc->col_offset, rs->col_offset,
d71ad7fc 8500 rs->ncols * sizeof (* rs->col_offset));
19e6b90e
L		 8501 free (rs->col_type);
8502 free (rs->col_offset);
8503 free (rs);
8504 }
8505 else if (do_debug_frames_interp)
8506 printf ("Mismatched DW_CFA_restore_state\n");
8507 break;
8508
8509 case DW_CFA_def_cfa:
cd30bcef
AM		 8510 READ_ULEB (fc->cfa_reg, start, end);
8511 READ_ULEB (fc->cfa_offset, start, end);
19e6b90e
L		 8512 fc->cfa_exp = 0;
8513 if (! do_debug_frames_interp)
2dc4cec1 8514 printf (" DW_CFA_def_cfa: %s ofs %d\n",
c8071705 8515 regname (fc->cfa_reg, 0), (int) fc->cfa_offset);
19e6b90e
L		 8516 break;
8517
8518 case DW_CFA_def_cfa_register:
cd30bcef 8519 READ_ULEB (fc->cfa_reg, start, end);
19e6b90e
L		 8520 fc->cfa_exp = 0;
8521 if (! do_debug_frames_interp)
2dc4cec1
L		 8522 printf (" DW_CFA_def_cfa_register: %s\n",
8523 regname (fc->cfa_reg, 0));
19e6b90e
L		 8524 break;
8525
8526 case DW_CFA_def_cfa_offset:
cd30bcef 8527 READ_ULEB (fc->cfa_offset, start, end);
19e6b90e 8528 if (! do_debug_frames_interp)
c8071705 8529 printf (" DW_CFA_def_cfa_offset: %d\n", (int) fc->cfa_offset);
19e6b90e
L		 8530 break;
8531
8532 case DW_CFA_nop:
8533 if (! do_debug_frames_interp)
8534 printf (" DW_CFA_nop\n");
8535 break;
8536
8537 case DW_CFA_def_cfa_expression:
cd30bcef 8538 READ_ULEB (ul, start, end);
7460c0ab 8539 if (start >= block_end || ul > (unsigned long) (block_end - start))
6937bb54 8540 {
a1165289 8541 printf (_(" DW_CFA_def_cfa_expression: <corrupt len %lu>\n"), ul);
6937bb54
NC		 8542 break;
8543 }
19e6b90e
L		 8544 if (! do_debug_frames_interp)
8545 {
8546 printf (" DW_CFA_def_cfa_expression (");
b7807392
JJ		 8547 decode_location_expression (start, eh_addr_size, 0, -1,
8548 ul, 0, section);
19e6b90e
L		 8549 printf (")\n");
8550 }
8551 fc->cfa_exp = 1;
8552 start += ul;
8553 break;
8554
8555 case DW_CFA_expression:
cd30bcef
AM		 8556 READ_ULEB (reg, start, end);
8557 READ_ULEB (ul, start, end);
665ce1f6
L		 8558 if (reg >= (unsigned int) fc->ncols)
8559 reg_prefix = bad_reg;
6937bb54 8560 /* PR 17512: file: 069-133014-0.006. */
06614111 8561 /* PR 17512: file: 98c02eb4. */
362beea4
NC		 8562 tmp = start + ul;
8563 if (start >= block_end || tmp > block_end || tmp < start)
6937bb54 8564 {
a1165289 8565 printf (_(" DW_CFA_expression: <corrupt len %lu>\n"), ul);
6937bb54
NC		 8566 break;
8567 }
665ce1f6 8568 if (! do_debug_frames_interp || *reg_prefix != '\0')
19e6b90e 8569 {
665ce1f6
L		 8570 printf (" DW_CFA_expression: %s%s (",
8571 reg_prefix, regname (reg, 0));
b7807392 8572 decode_location_expression (start, eh_addr_size, 0, -1,
f1c4cc75 8573 ul, 0, section);
19e6b90e
L		 8574 printf (")\n");
8575 }
665ce1f6
L		 8576 if (*reg_prefix == '\0')
8577 fc->col_type[reg] = DW_CFA_expression;
362beea4 8578 start = tmp;
19e6b90e
L		 8579 break;
8580
12eae2d3 8581 case DW_CFA_val_expression:
cd30bcef
AM		 8582 READ_ULEB (reg, start, end);
8583 READ_ULEB (ul, start, end);
665ce1f6
L		 8584 if (reg >= (unsigned int) fc->ncols)
8585 reg_prefix = bad_reg;
362beea4
NC		 8586 tmp = start + ul;
8587 if (start >= block_end || tmp > block_end || tmp < start)
6937bb54 8588 {
a1165289 8589 printf (" DW_CFA_val_expression: <corrupt len %lu>\n", ul);
6937bb54
NC		 8590 break;
8591 }
665ce1f6 8592 if (! do_debug_frames_interp || *reg_prefix != '\0')
12eae2d3 8593 {
665ce1f6
L		 8594 printf (" DW_CFA_val_expression: %s%s (",
8595 reg_prefix, regname (reg, 0));
b7807392
JJ		 8596 decode_location_expression (start, eh_addr_size, 0, -1,
8597 ul, 0, section);
12eae2d3
JJ		 8598 printf (")\n");
8599 }
665ce1f6
L		 8600 if (*reg_prefix == '\0')
8601 fc->col_type[reg] = DW_CFA_val_expression;
362beea4 8602 start = tmp;
12eae2d3
JJ		 8603 break;
8604
19e6b90e 8605 case DW_CFA_offset_extended_sf:
cd30bcef
AM		 8606 READ_ULEB (reg, start, end);
8607 READ_SLEB (l, start, end);
665ce1f6
L		 8608 if (frame_need_space (fc, reg) < 0)
8609 reg_prefix = bad_reg;
8610 if (! do_debug_frames_interp || *reg_prefix != '\0')
8611 printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n",
8612 reg_prefix, regname (reg, 0),
c8071705 8613 (long)(l * fc->data_factor));
665ce1f6
L		 8614 if (*reg_prefix == '\0')
8615 {
8616 fc->col_type[reg] = DW_CFA_offset;
8617 fc->col_offset[reg] = l * fc->data_factor;
8618 }
19e6b90e
L		 8619 break;
8620
12eae2d3 8621 case DW_CFA_val_offset_sf:
cd30bcef
AM		 8622 READ_ULEB (reg, start, end);
8623 READ_SLEB (l, start, end);
665ce1f6
L		 8624 if (frame_need_space (fc, reg) < 0)
8625 reg_prefix = bad_reg;
8626 if (! do_debug_frames_interp || *reg_prefix != '\0')
084303b8 8627 printf (" DW_CFA_val_offset_sf: %s%s is cfa%+ld\n",
665ce1f6 8628 reg_prefix, regname (reg, 0),
c8071705 8629 (long)(l * fc->data_factor));
665ce1f6
L		 8630 if (*reg_prefix == '\0')
8631 {
8632 fc->col_type[reg] = DW_CFA_val_offset;
8633 fc->col_offset[reg] = l * fc->data_factor;
8634 }
12eae2d3
JJ		 8635 break;
8636
19e6b90e 8637 case DW_CFA_def_cfa_sf:
cd30bcef
AM		 8638 READ_ULEB (fc->cfa_reg, start, end);
8639 READ_ULEB (fc->cfa_offset, start, end);
19e6b90e
L		 8640 fc->cfa_offset = fc->cfa_offset * fc->data_factor;
8641 fc->cfa_exp = 0;
8642 if (! do_debug_frames_interp)
2dc4cec1 8643 printf (" DW_CFA_def_cfa_sf: %s ofs %d\n",
c8071705 8644 regname (fc->cfa_reg, 0), (int) fc->cfa_offset);
19e6b90e
L		 8645 break;
8646
8647 case DW_CFA_def_cfa_offset_sf:
cd30bcef 8648 READ_ULEB (fc->cfa_offset, start, end);
c8071705 8649 fc->cfa_offset *= fc->data_factor;
19e6b90e 8650 if (! do_debug_frames_interp)
c8071705 8651 printf (" DW_CFA_def_cfa_offset_sf: %d\n", (int) fc->cfa_offset);
19e6b90e
L		 8652 break;
8653
8654 case DW_CFA_MIPS_advance_loc8:
6937bb54 8655 SAFE_BYTE_GET_AND_INC (ofs, start, 8, block_end);
19e6b90e
L		 8656 if (do_debug_frames_interp)
8657 frame_display_row (fc, &need_col_headers, &max_regs);
8658 else
bf5117e3
NC		 8659 printf (" DW_CFA_MIPS_advance_loc8: %ld to %s\n",
8660 (unsigned long) (ofs * fc->code_factor),
8661 dwarf_vmatoa_1 (NULL,
8662 fc->pc_begin + ofs * fc->code_factor,
8663 fc->ptr_size));
19e6b90e
L		 8664 fc->pc_begin += ofs * fc->code_factor;
8665 break;
8666
8667 case DW_CFA_GNU_window_save:
8668 if (! do_debug_frames_interp)
8669 printf (" DW_CFA_GNU_window_save\n");
8670 break;
8671
8672 case DW_CFA_GNU_args_size:
cd30bcef 8673 READ_ULEB (ul, start, end);
19e6b90e
L		 8674 if (! do_debug_frames_interp)
8675 printf (" DW_CFA_GNU_args_size: %ld\n", ul);
8676 break;
8677
8678 case DW_CFA_GNU_negative_offset_extended:
cd30bcef
AM		 8679 READ_ULEB (reg, start, end);
8680 READ_SLEB (l, start, end);
7f2c8a1d 8681 l = - l;
665ce1f6
L		 8682 if (frame_need_space (fc, reg) < 0)
8683 reg_prefix = bad_reg;
8684 if (! do_debug_frames_interp || *reg_prefix != '\0')
8685 printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n",
8686 reg_prefix, regname (reg, 0),
c8071705 8687 (long)(l * fc->data_factor));
665ce1f6
L		 8688 if (*reg_prefix == '\0')
8689 {
8690 fc->col_type[reg] = DW_CFA_offset;
8691 fc->col_offset[reg] = l * fc->data_factor;
8692 }
19e6b90e
L		 8693 break;
8694
8695 default:
53b8873b
NC		 8696 if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user)
8697 printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op);
8698 else
f41e4712 8699 warn (_("Unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op);
19e6b90e
L		 8700 start = block_end;
8701 }
8702 }
8703
5b6312fd
NC		 8704 /* Interpret the CFA - as long as it is not completely full of NOPs. */
8705 if (do_debug_frames_interp && ! all_nops)
19e6b90e
L		 8706 frame_display_row (fc, &need_col_headers, &max_regs);
8707
8708 start = block_end;
604282a7 8709 eh_addr_size = saved_eh_addr_size;
19e6b90e
L		 8710 }
8711
8712 printf ("\n");
8713
3391569f
NC		 8714 while (remembered_state != NULL)
8715 {
8716 rs = remembered_state;
8717 remembered_state = rs->next;
8718 free (rs->col_type);
8719 free (rs->col_offset);
8720 rs->next = NULL; /* Paranoia. */
8721 free (rs);
8722 }
8723
8724 while (chunks != NULL)
8725 {
8726 rs = chunks;
8727 chunks = rs->next;
8728 free (rs->col_type);
8729 free (rs->col_offset);
8730 rs->next = NULL; /* Paranoia. */
8731 free (rs);
8732 }
8733
8734 while (forward_refs != NULL)
8735 {
8736 rs = forward_refs;
8737 forward_refs = rs->next;
8738 free (rs->col_type);
8739 free (rs->col_offset);
8740 rs->next = NULL; /* Paranoia. */
8741 free (rs);
8742 }
8743
19e6b90e
L		 8744 return 1;
8745}
8746
8747#undef GET
19e6b90e 8748
61364358
JK		 8749static int
8750display_debug_names (struct dwarf_section *section, void *file)
8751{
8752 unsigned char *hdrptr = section->start;
8753 dwarf_vma unit_length;
8754 unsigned char *unit_start;
8755 const unsigned char *const section_end = section->start + section->size;
8756 unsigned char *unit_end;
8757
dda8d76d 8758 introduce (section, FALSE);
61364358 8759
dda8d76d 8760 load_debug_section_with_follow (str, file);
61364358
JK		 8761
8762 for (; hdrptr < section_end; hdrptr = unit_end)
8763 {
8764 unsigned int offset_size;
8765 uint16_t dwarf_version, padding;
8766 uint32_t comp_unit_count, local_type_unit_count, foreign_type_unit_count;
8767 uint32_t bucket_count, name_count, abbrev_table_size;
8768 uint32_t augmentation_string_size;
8769 unsigned int i;
e98fdf1a 8770 unsigned long sec_off;
48467cb9
TV		 8771 bfd_boolean augmentation_printable;
8772 const char *augmentation_string;
61364358
JK		 8773
8774 unit_start = hdrptr;
8775
8776 /* Get and check the length of the block. */
8777 SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 4, section_end);
8778
8779 if (unit_length == 0xffffffff)
8780 {
8781 /* This section is 64-bit DWARF. */
8782 SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 8, section_end);
8783 offset_size = 8;
8784 }
8785 else
8786 offset_size = 4;
8787 unit_end = hdrptr + unit_length;
8788
e98fdf1a
AM		 8789 sec_off = hdrptr - section->start;
8790 if (sec_off + unit_length < sec_off
8791 || sec_off + unit_length > section->size)
61364358 8792 {
e98fdf1a
AM		 8793 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
8794 section->name,
8795 (unsigned long) (unit_start - section->start),
8796 dwarf_vmatoa ("x", unit_length));
61364358
JK		 8797 return 0;
8798 }
8799
8800 /* Get and check the version number. */
8801 SAFE_BYTE_GET_AND_INC (dwarf_version, hdrptr, 2, unit_end);
8802 printf (_("Version %ld\n"), (long) dwarf_version);
8803
8804 /* Prior versions did not exist, and future versions may not be
8805 backwards compatible. */
8806 if (dwarf_version != 5)
8807 {
8808 warn (_("Only DWARF version 5 .debug_names "
8809 "is currently supported.\n"));
8810 return 0;
8811 }
8812
8813 SAFE_BYTE_GET_AND_INC (padding, hdrptr, 2, unit_end);
8814 if (padding != 0)
8815 warn (_("Padding field of .debug_names must be 0 (found 0x%x)\n"),
8816 padding);
8817
8818 SAFE_BYTE_GET_AND_INC (comp_unit_count, hdrptr, 4, unit_end);
8819 if (comp_unit_count == 0)
8820 warn (_("Compilation unit count must be >= 1 in .debug_names\n"));
8821
8822 SAFE_BYTE_GET_AND_INC (local_type_unit_count, hdrptr, 4, unit_end);
8823 SAFE_BYTE_GET_AND_INC (foreign_type_unit_count, hdrptr, 4, unit_end);
8824 SAFE_BYTE_GET_AND_INC (bucket_count, hdrptr, 4, unit_end);
8825 SAFE_BYTE_GET_AND_INC (name_count, hdrptr, 4, unit_end);
8826 SAFE_BYTE_GET_AND_INC (abbrev_table_size, hdrptr, 4, unit_end);
8827
8828 SAFE_BYTE_GET_AND_INC (augmentation_string_size, hdrptr, 4, unit_end);
8829 if (augmentation_string_size % 4 != 0)
8830 {
8831 warn (_("Augmentation string length %u must be rounded up "
8832 "to a multiple of 4 in .debug_names.\n"),
8833 augmentation_string_size);
8834 augmentation_string_size += (-augmentation_string_size) & 3;
8835 }
48467cb9 8836
61364358 8837 printf (_("Augmentation string:"));
48467cb9
TV		 8838
8839 augmentation_printable = TRUE;
8840 augmentation_string = (const char *) hdrptr;
8841
61364358
JK		 8842 for (i = 0; i < augmentation_string_size; i++)
8843 {
8844 unsigned char uc;
8845
8846 SAFE_BYTE_GET_AND_INC (uc, hdrptr, 1, unit_end);
8847 printf (" %02x", uc);
48467cb9
TV		 8848
8849 if (uc != 0 && !ISPRINT (uc))
8850 augmentation_printable = FALSE;
8851 }
8852
8853 if (augmentation_printable)
8854 {
8855 printf (" (\"");
8856 for (i = 0;
8857 i < augmentation_string_size && augmentation_string[i];
8858 ++i)
8859 putchar (augmentation_string[i]);
8860 printf ("\")");
61364358 8861 }
61364358
JK		 8862 putchar ('\n');
8863
8864 printf (_("CU table:\n"));
8865 for (i = 0; i < comp_unit_count; i++)
8866 {
8867 uint64_t cu_offset;
8868
8869 SAFE_BYTE_GET_AND_INC (cu_offset, hdrptr, offset_size, unit_end);
8870 printf (_("[%3u] 0x%lx\n"), i, (unsigned long) cu_offset);
8871 }
8872 putchar ('\n');
8873
8874 printf (_("TU table:\n"));
8875 for (i = 0; i < local_type_unit_count; i++)
8876 {
8877 uint64_t tu_offset;
8878
8879 SAFE_BYTE_GET_AND_INC (tu_offset, hdrptr, offset_size, unit_end);
8880 printf (_("[%3u] 0x%lx\n"), i, (unsigned long) tu_offset);
8881 }
8882 putchar ('\n');
8883
8884 printf (_("Foreign TU table:\n"));
8885 for (i = 0; i < foreign_type_unit_count; i++)
8886 {
8887 uint64_t signature;
8888
8889 SAFE_BYTE_GET_AND_INC (signature, hdrptr, 8, unit_end);
8890 printf (_("[%3u] "), i);
8891 print_dwarf_vma (signature, 8);
8892 putchar ('\n');
8893 }
8894 putchar ('\n');
8895
8896 const uint32_t *const hash_table_buckets = (uint32_t *) hdrptr;
8897 hdrptr += bucket_count * sizeof (uint32_t);
8898 const uint32_t *const hash_table_hashes = (uint32_t *) hdrptr;
8899 hdrptr += name_count * sizeof (uint32_t);
8900 unsigned char *const name_table_string_offsets = hdrptr;
8901 hdrptr += name_count * offset_size;
8902 unsigned char *const name_table_entry_offsets = hdrptr;
8903 hdrptr += name_count * offset_size;
8904 unsigned char *const abbrev_table = hdrptr;
8905 hdrptr += abbrev_table_size;
8906 const unsigned char *const abbrev_table_end = hdrptr;
8907 unsigned char *const entry_pool = hdrptr;
8908 if (hdrptr > unit_end)
8909 {
8910 warn (_("Entry pool offset (0x%lx) exceeds unit size 0x%lx "
8911 "for unit 0x%lx in the debug_names\n"),
8912 (long) (hdrptr - section->start),
8913 (long) (unit_end - section->start),
8914 (long) (unit_start - section->start));
8915 return 0;
8916 }
8917
8918 size_t buckets_filled = 0;
8919 size_t bucketi;
8920 for (bucketi = 0; bucketi < bucket_count; bucketi++)
8921 {
8922 const uint32_t bucket = hash_table_buckets[bucketi];
8923
8924 if (bucket != 0)
8925 ++buckets_filled;
8926 }
d3a49aa8
AM		 8927 printf (ngettext ("Used %zu of %lu bucket.\n",
8928 "Used %zu of %lu buckets.\n",
8929 bucket_count),
8930 buckets_filled, (unsigned long) bucket_count);
61364358 8931
0a79bef4 8932 uint32_t hash_prev = 0;
61364358
JK		 8933 size_t hash_clash_count = 0;
8934 size_t longest_clash = 0;
8935 size_t this_length = 0;
8936 size_t hashi;
8937 for (hashi = 0; hashi < name_count; hashi++)
8938 {
8939 const uint32_t hash_this = hash_table_hashes[hashi];
8940
8941 if (hashi > 0)
8942 {
8943 if (hash_prev % bucket_count == hash_this % bucket_count)
8944 {
8945 ++hash_clash_count;
8946 ++this_length;
8947 longest_clash = MAX (longest_clash, this_length);
8948 }
8949 else
8950 this_length = 0;
8951 }
8952 hash_prev = hash_this;
8953 }
8954 printf (_("Out of %lu items there are %zu bucket clashes"
8955 " (longest of %zu entries).\n"),
8956 (unsigned long) name_count, hash_clash_count, longest_clash);
8957 assert (name_count == buckets_filled + hash_clash_count);
8958
8959 struct abbrev_lookup_entry
8960 {
8961 dwarf_vma abbrev_tag;
8962 unsigned char *abbrev_lookup_ptr;
8963 };
8964 struct abbrev_lookup_entry *abbrev_lookup = NULL;
8965 size_t abbrev_lookup_used = 0;
8966 size_t abbrev_lookup_allocated = 0;
8967
8968 unsigned char *abbrevptr = abbrev_table;
8969 for (;;)
8970 {
cd30bcef
AM		 8971 dwarf_vma abbrev_tag;
8972
8973 READ_ULEB (abbrev_tag, abbrevptr, abbrev_table_end);
61364358
JK		 8974 if (abbrev_tag == 0)
8975 break;
8976 if (abbrev_lookup_used == abbrev_lookup_allocated)
8977 {
8978 abbrev_lookup_allocated = MAX (0x100,
8979 abbrev_lookup_allocated * 2);
8980 abbrev_lookup = xrealloc (abbrev_lookup,
8981 (abbrev_lookup_allocated
8982 * sizeof (*abbrev_lookup)));
8983 }
8984 assert (abbrev_lookup_used < abbrev_lookup_allocated);
8985 struct abbrev_lookup_entry *entry;
8986 for (entry = abbrev_lookup;
8987 entry < abbrev_lookup + abbrev_lookup_used;
8988 entry++)
8989 if (entry->abbrev_tag == abbrev_tag)
8990 {
8991 warn (_("Duplicate abbreviation tag %lu "
8992 "in unit 0x%lx in the debug_names\n"),
8993 (long) abbrev_tag, (long) (unit_start - section->start));
8994 break;
8995 }
8996 entry = &abbrev_lookup[abbrev_lookup_used++];
8997 entry->abbrev_tag = abbrev_tag;
8998 entry->abbrev_lookup_ptr = abbrevptr;
8999
9000 /* Skip DWARF tag. */
cd30bcef 9001 SKIP_ULEB (abbrevptr, abbrev_table_end);
61364358
JK		 9002 for (;;)
9003 {
cd30bcef
AM		 9004 dwarf_vma xindex, form;
9005
9006 READ_ULEB (xindex, abbrevptr, abbrev_table_end);
9007 READ_ULEB (form, abbrevptr, abbrev_table_end);
1d827a72 9008 if (xindex == 0 && form == 0)
61364358
JK		 9009 break;
9010 }
9011 }
9012
9013 printf (_("\nSymbol table:\n"));
9014 uint32_t namei;
9015 for (namei = 0; namei < name_count; ++namei)
9016 {
9017 uint64_t string_offset, entry_offset;
9018
9019 SAFE_BYTE_GET (string_offset,
9020 name_table_string_offsets + namei * offset_size,
9021 offset_size, unit_end);
9022 SAFE_BYTE_GET (entry_offset,
9023 name_table_entry_offsets + namei * offset_size,
9024 offset_size, unit_end);
9025
9026 printf ("[%3u] #%08x %s:", namei, hash_table_hashes[namei],
9027 fetch_indirect_string (string_offset));
9028
9029 unsigned char *entryptr = entry_pool + entry_offset;
9030
9031 // We need to scan first whether there is a single or multiple
9032 // entries. TAGNO is -2 for the first entry, it is -1 for the
9033 // initial tag read of the second entry, then it becomes 0 for the
9034 // first entry for real printing etc.
9035 int tagno = -2;
9036 /* Initialize it due to a false compiler warning. */
9037 dwarf_vma second_abbrev_tag = -1;
9038 for (;;)
9039 {
cd30bcef
AM		 9040 dwarf_vma abbrev_tag;
9041 dwarf_vma dwarf_tag;
9042 const struct abbrev_lookup_entry *entry;
9043
9044 READ_ULEB (abbrev_tag, entryptr, unit_end);
61364358
JK		 9045 if (tagno == -1)
9046 {
9047 second_abbrev_tag = abbrev_tag;
9048 tagno = 0;
9049 entryptr = entry_pool + entry_offset;
9050 continue;
9051 }
9052 if (abbrev_tag == 0)
9053 break;
9054 if (tagno >= 0)
9055 printf ("%s<%lu>",
9056 (tagno == 0 && second_abbrev_tag == 0 ? " " : "\n\t"),
9057 (unsigned long) abbrev_tag);
9058
61364358
JK		 9059 for (entry = abbrev_lookup;
9060 entry < abbrev_lookup + abbrev_lookup_used;
9061 entry++)
9062 if (entry->abbrev_tag == abbrev_tag)
9063 break;
9064 if (entry >= abbrev_lookup + abbrev_lookup_used)
9065 {
9066 warn (_("Undefined abbreviation tag %lu "
9067 "in unit 0x%lx in the debug_names\n"),
9068 (long) abbrev_tag,
9069 (long) (unit_start - section->start));
9070 break;
9071 }
9072 abbrevptr = entry->abbrev_lookup_ptr;
cd30bcef 9073 READ_ULEB (dwarf_tag, abbrevptr, abbrev_table_end);
61364358
JK		 9074 if (tagno >= 0)
9075 printf (" %s", get_TAG_name (dwarf_tag));
9076 for (;;)
9077 {
cd30bcef
AM		 9078 dwarf_vma xindex, form;
9079
9080 READ_ULEB (xindex, abbrevptr, abbrev_table_end);
9081 READ_ULEB (form, abbrevptr, abbrev_table_end);
1d827a72 9082 if (xindex == 0 && form == 0)
61364358
JK		 9083 break;
9084
9085 if (tagno >= 0)
1d827a72 9086 printf (" %s", get_IDX_name (xindex));
ec1b0fbb
NC		 9087 entryptr = read_and_display_attr_value (0, form, 0,
9088 unit_start, entryptr, unit_end,
9089 0, 0, offset_size,
61364358
JK		 9090 dwarf_version, NULL,
9091 (tagno < 0), NULL,
ec1b0fbb 9092 NULL, '=', -1);
61364358
JK		 9093 }
9094 ++tagno;
9095 }
9096 if (tagno <= 0)
9097 printf (_(" <no entries>"));
9098 putchar ('\n');
9099 }
9100
9101 free (abbrev_lookup);
9102 }
9103
9104 return 1;
9105}
9106
dda8d76d 9107static int
d85bf2ba
NC		 9108display_debug_links (struct dwarf_section * section,
9109 void * file ATTRIBUTE_UNUSED)
dda8d76d
NC		 9110{
9111 const unsigned char * filename;
9112 unsigned int filelen;
9113
9114 introduce (section, FALSE);
9115
9116 /* The .gnu_debuglink section is formatted as:
9117 (c-string) Filename.
9118 (padding) If needed to reach a 4 byte boundary.
9119 (uint32_t) CRC32 value.
9120
9121 The .gun_debugaltlink section is formatted as:
9122 (c-string) Filename.
9123 (binary) Build-ID. */
9124
9125 filename = section->start;
9126 filelen = strnlen ((const char *) filename, section->size);
9127 if (filelen == section->size)
9128 {
9129 warn (_("The debuglink filename is corrupt/missing\n"));
9130 return 0;
9131 }
9132
9133 printf (_(" Separate debug info file: %s\n"), filename);
9134
9135 if (const_strneq (section->name, ".gnu_debuglink"))
9136 {
9137 unsigned int crc32;
9138 unsigned int crc_offset;
9139
9140 crc_offset = filelen + 1;
9141 crc_offset = (crc_offset + 3) & ~3;
9142 if (crc_offset + 4 > section->size)
9143 {
9144 warn (_("CRC offset missing/truncated\n"));
9145 return 0;
9146 }
9147
9148 crc32 = byte_get (filename + crc_offset, 4);
9149
9150 printf (_(" CRC value: %#x\n"), crc32);
9151
9152 if (crc_offset + 4 < section->size)
9153 {
9154 warn (_("There are %#lx extraneous bytes at the end of the section\n"),
9155 (long)(section->size - (crc_offset + 4)));
9156 return 0;
9157 }
9158 }
9159 else /* const_strneq (section->name, ".gnu_debugaltlink") */
9160 {
9161 const unsigned char * build_id = section->start + filelen + 1;
9162 bfd_size_type build_id_len = section->size - (filelen + 1);
9163 bfd_size_type printed;
9164
9165 /* FIXME: Should we support smaller build-id notes ? */
9166 if (build_id_len < 0x14)
9167 {
9168 warn (_("Build-ID is too short (%#lx bytes)\n"), (long) build_id_len);
9169 return 0;
9170 }
9171
9172 printed = printf (_(" Build-ID (%#lx bytes):"), (long) build_id_len);
d85bf2ba 9173 display_data (printed, build_id, build_id_len);
dda8d76d
NC		 9174 putchar ('\n');
9175 }
9176
9177 putchar ('\n');
9178 return 1;
9179}
9180
5bbdf3d5
DE		 9181static int
9182display_gdb_index (struct dwarf_section *section,
9183 void *file ATTRIBUTE_UNUSED)
9184{
9185 unsigned char *start = section->start;
9186 uint32_t version;
9187 uint32_t cu_list_offset, tu_list_offset;
9188 uint32_t address_table_offset, symbol_table_offset, constant_pool_offset;
9189 unsigned int cu_list_elements, tu_list_elements;
9190 unsigned int address_table_size, symbol_table_slots;
9191 unsigned char *cu_list, *tu_list;
9192 unsigned char *address_table, *symbol_table, *constant_pool;
9193 unsigned int i;
9194
9195 /* The documentation for the format of this file is in gdb/dwarf2read.c. */
9196
dda8d76d 9197 introduce (section, FALSE);
5bbdf3d5
DE		 9198
9199 if (section->size < 6 * sizeof (uint32_t))
9200 {
9201 warn (_("Truncated header in the %s section.\n"), section->name);
9202 return 0;
9203 }
9204
9205 version = byte_get_little_endian (start, 4);
da88a764 9206 printf (_("Version %ld\n"), (long) version);
5bbdf3d5
DE		 9207
9208 /* Prior versions are obsolete, and future versions may not be
9209 backwards compatible. */
aa170720 9210 if (version < 3 || version > 8)
5bbdf3d5 9211 {
da88a764 9212 warn (_("Unsupported version %lu.\n"), (unsigned long) version);
5bbdf3d5
DE		 9213 return 0;
9214 }
8d6eee87
TT		 9215 if (version < 4)
9216 warn (_("The address table data in version 3 may be wrong.\n"));
9217 if (version < 5)
9218 warn (_("Version 4 does not support case insensitive lookups.\n"));
9219 if (version < 6)
9220 warn (_("Version 5 does not include inlined functions.\n"));
9221 if (version < 7)
9222 warn (_("Version 6 does not include symbol attributes.\n"));
aa170720
DE		 9223 /* Version 7 indices generated by Gold have bad type unit references,
9224 PR binutils/15021. But we don't know if the index was generated by
9225 Gold or not, so to avoid worrying users with gdb-generated indices
9226 we say nothing for version 7 here. */
5bbdf3d5
DE		 9227
9228 cu_list_offset = byte_get_little_endian (start + 4, 4);
9229 tu_list_offset = byte_get_little_endian (start + 8, 4);
9230 address_table_offset = byte_get_little_endian (start + 12, 4);
9231 symbol_table_offset = byte_get_little_endian (start + 16, 4);
9232 constant_pool_offset = byte_get_little_endian (start + 20, 4);
9233
9234 if (cu_list_offset > section->size
9235 || tu_list_offset > section->size
9236 || address_table_offset > section->size
9237 || symbol_table_offset > section->size
9238 || constant_pool_offset > section->size)
9239 {
9240 warn (_("Corrupt header in the %s section.\n"), section->name);
9241 return 0;
9242 }
9243
53774b7e
NC		 9244 /* PR 17531: file: 418d0a8a. */
9245 if (tu_list_offset < cu_list_offset)
9246 {
9247 warn (_("TU offset (%x) is less than CU offset (%x)\n"),
9248 tu_list_offset, cu_list_offset);
9249 return 0;
9250 }
9251
5bbdf3d5 9252 cu_list_elements = (tu_list_offset - cu_list_offset) / 8;
53774b7e
NC		 9253
9254 if (address_table_offset < tu_list_offset)
9255 {
9256 warn (_("Address table offset (%x) is less than TU offset (%x)\n"),
9257 address_table_offset, tu_list_offset);
9258 return 0;
9259 }
9260
5bbdf3d5 9261 tu_list_elements = (address_table_offset - tu_list_offset) / 8;
53774b7e
NC		 9262
9263 /* PR 17531: file: 18a47d3d. */
9264 if (symbol_table_offset < address_table_offset)
9265 {
13bace4a 9266 warn (_("Symbol table offset (%x) is less then Address table offset (%x)\n"),
53774b7e
NC		 9267 symbol_table_offset, address_table_offset);
9268 return 0;
9269 }
9270
5bbdf3d5 9271 address_table_size = symbol_table_offset - address_table_offset;
53774b7e
NC		 9272
9273 if (constant_pool_offset < symbol_table_offset)
9274 {
9275 warn (_("Constant pool offset (%x) is less than symbol table offset (%x)\n"),
9276 constant_pool_offset, symbol_table_offset);
9277 return 0;
9278 }
9279
5bbdf3d5
DE		 9280 symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8;
9281
9282 cu_list = start + cu_list_offset;
9283 tu_list = start + tu_list_offset;
9284 address_table = start + address_table_offset;
9285 symbol_table = start + symbol_table_offset;
9286 constant_pool = start + constant_pool_offset;
9287
28d909e5 9288 if (address_table + address_table_size > section->start + section->size)
acff9664 9289 {
1306a742 9290 warn (_("Address table extends beyond end of section.\n"));
acff9664
NC		 9291 return 0;
9292 }
b4eb7656 9293
5bbdf3d5
DE		 9294 printf (_("\nCU table:\n"));
9295 for (i = 0; i < cu_list_elements; i += 2)
9296 {
9297 uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8);
9298 uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8);
9299
9300 printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2,
9301 (unsigned long) cu_offset,
9302 (unsigned long) (cu_offset + cu_length - 1));
9303 }
9304
9305 printf (_("\nTU table:\n"));
9306 for (i = 0; i < tu_list_elements; i += 3)
9307 {
9308 uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8);
9309 uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8);
9310 uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8);
9311
9312 printf (_("[%3u] 0x%lx 0x%lx "), i / 3,
9313 (unsigned long) tu_offset,
9314 (unsigned long) type_offset);
9315 print_dwarf_vma (signature, 8);
9316 printf ("\n");
9317 }
9318
9319 printf (_("\nAddress table:\n"));
acff9664
NC		 9320 for (i = 0; i < address_table_size && i <= address_table_size - (2 * 8 + 4);
9321 i += 2 * 8 + 4)
5bbdf3d5
DE		 9322 {
9323 uint64_t low = byte_get_little_endian (address_table + i, 8);
9324 uint64_t high = byte_get_little_endian (address_table + i + 8, 8);
9325 uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4);
9326
9327 print_dwarf_vma (low, 8);
9328 print_dwarf_vma (high, 8);
da88a764 9329 printf (_("%lu\n"), (unsigned long) cu_index);
5bbdf3d5
DE		 9330 }
9331
9332 printf (_("\nSymbol table:\n"));
9333 for (i = 0; i < symbol_table_slots; ++i)
9334 {
9335 uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4);
9336 uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4);
9337 uint32_t num_cus, cu;
9338
9339 if (name_offset != 0
9340 || cu_vector_offset != 0)
9341 {
9342 unsigned int j;
362beea4 9343 unsigned char * adr;
5bbdf3d5 9344
362beea4 9345 adr = constant_pool + name_offset;
53774b7e 9346 /* PR 17531: file: 5b7b07ad. */
362beea4 9347 if (adr < constant_pool || adr >= section->start + section->size)
53774b7e
NC		 9348 {
9349 printf (_("[%3u] <corrupt offset: %x>"), i, name_offset);
9350 warn (_("Corrupt name offset of 0x%x found for symbol table slot %d\n"),
9351 name_offset, i);
9352 }
9353 else
acff9664
NC		 9354 printf ("[%3u] %.*s:", i,
9355 (int) (section->size - (constant_pool_offset + name_offset)),
9356 constant_pool + name_offset);
53774b7e 9357
362beea4
NC		 9358 adr = constant_pool + cu_vector_offset;
9359 if (adr < constant_pool || adr >= section->start + section->size - 3)
53774b7e
NC		 9360 {
9361 printf (_("<invalid CU vector offset: %x>\n"), cu_vector_offset);
9362 warn (_("Corrupt CU vector offset of 0x%x found for symbol table slot %d\n"),
9363 cu_vector_offset, i);
9364 continue;
9365 }
57028622 9366
362beea4 9367 num_cus = byte_get_little_endian (adr, 4);
53774b7e 9368
362beea4 9369 adr = constant_pool + cu_vector_offset + 4 + num_cus * 4;
acff9664 9370 if (num_cus * 4 < num_cus
362beea4
NC		 9371 || adr >= section->start + section->size
9372 || adr < constant_pool)
53774b7e
NC		 9373 {
9374 printf ("<invalid number of CUs: %d>\n", num_cus);
acff9664 9375 warn (_("Invalid number of CUs (0x%x) for symbol table slot %d\n"),
53774b7e
NC		 9376 num_cus, i);
9377 continue;
9378 }
9379
8d6eee87
TT		 9380 if (num_cus > 1)
9381 printf ("\n");
f3853b34 9382
5bbdf3d5
DE		 9383 for (j = 0; j < num_cus; ++j)
9384 {
7c1cef97 9385 int is_static;
8d6eee87
TT		 9386 gdb_index_symbol_kind kind;
9387
5bbdf3d5 9388 cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4);
7c1cef97 9389 is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu);
8d6eee87
TT		 9390 kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu);
9391 cu = GDB_INDEX_CU_VALUE (cu);
5bbdf3d5 9392 /* Convert to TU number if it's for a type unit. */
ad6b52dd 9393 if (cu >= cu_list_elements / 2)
8d6eee87
TT		 9394 printf ("%cT%lu", num_cus > 1 ? '\t' : ' ',
9395 (unsigned long) (cu - cu_list_elements / 2));
5bbdf3d5 9396 else
8d6eee87
TT		 9397 printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu);
9398
459d52c8
DE		 9399 printf (" [%s, %s]",
9400 is_static ? _("static") : _("global"),
9401 get_gdb_index_symbol_kind_name (kind));
8d6eee87
TT		 9402 if (num_cus > 1)
9403 printf ("\n");
5bbdf3d5 9404 }
8d6eee87
TT		 9405 if (num_cus <= 1)
9406 printf ("\n");
5bbdf3d5
DE		 9407 }
9408 }
9409
9410 return 1;
9411}
9412
657d0d47
CC		 9413/* Pre-allocate enough space for the CU/TU sets needed. */
9414
9415static void
9416prealloc_cu_tu_list (unsigned int nshndx)
9417{
9418 if (shndx_pool == NULL)
9419 {
9420 shndx_pool_size = nshndx;
9421 shndx_pool_used = 0;
9422 shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size,
9423 sizeof (unsigned int));
9424 }
9425 else
9426 {
9427 shndx_pool_size = shndx_pool_used + nshndx;
9428 shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size,
9429 sizeof (unsigned int));
9430 }
9431}
9432
9433static void
9434add_shndx_to_cu_tu_entry (unsigned int shndx)
9435{
9436 if (shndx_pool_used >= shndx_pool_size)
9437 {
9438 error (_("Internal error: out of space in the shndx pool.\n"));
9439 return;
9440 }
9441 shndx_pool [shndx_pool_used++] = shndx;
9442}
9443
9444static void
9445end_cu_tu_entry (void)
9446{
9447 if (shndx_pool_used >= shndx_pool_size)
9448 {
9449 error (_("Internal error: out of space in the shndx pool.\n"));
9450 return;
9451 }
9452 shndx_pool [shndx_pool_used++] = 0;
9453}
9454
341f9135
CC		 9455/* Return the short name of a DWARF section given by a DW_SECT enumerator. */
9456
9457static const char *
9458get_DW_SECT_short_name (unsigned int dw_sect)
9459{
9460 static char buf[16];
9461
9462 switch (dw_sect)
9463 {
9464 case DW_SECT_INFO:
9465 return "info";
9466 case DW_SECT_TYPES:
9467 return "types";
9468 case DW_SECT_ABBREV:
9469 return "abbrev";
9470 case DW_SECT_LINE:
9471 return "line";
9472 case DW_SECT_LOC:
9473 return "loc";
9474 case DW_SECT_STR_OFFSETS:
9475 return "str_off";
9476 case DW_SECT_MACINFO:
9477 return "macinfo";
9478 case DW_SECT_MACRO:
9479 return "macro";
9480 default:
b4eb7656 9481 break;
341f9135
CC		 9482 }
9483
9484 snprintf (buf, sizeof (buf), "%d", dw_sect);
9485 return buf;
9486}
9487
9488/* Process a CU or TU index. If DO_DISPLAY is true, print the contents.
9489 These sections are extensions for Fission.
9490 See http://gcc.gnu.org/wiki/DebugFissionDWP. */
657d0d47
CC		 9491
9492static int
9493process_cu_tu_index (struct dwarf_section *section, int do_display)
9494{
9495 unsigned char *phdr = section->start;
9496 unsigned char *limit = phdr + section->size;
9497 unsigned char *phash;
9498 unsigned char *pindex;
9499 unsigned char *ppool;
9500 unsigned int version;
341f9135 9501 unsigned int ncols = 0;
657d0d47
CC		 9502 unsigned int nused;
9503 unsigned int nslots;
9504 unsigned int i;
341f9135
CC		 9505 unsigned int j;
9506 dwarf_vma signature_high;
9507 dwarf_vma signature_low;
9508 char buf[64];
657d0d47 9509
6937bb54
NC		 9510 /* PR 17512: file: 002-168123-0.004. */
9511 if (phdr == NULL)
9512 {
9513 warn (_("Section %s is empty\n"), section->name);
9514 return 0;
9515 }
9516 /* PR 17512: file: 002-376-0.004. */
9517 if (section->size < 24)
9518 {
72c61a0d 9519 warn (_("Section %s is too small to contain a CU/TU header\n"),
6937bb54
NC		 9520 section->name);
9521 return 0;
9522 }
9523
9524 SAFE_BYTE_GET (version, phdr, 4, limit);
341f9135 9525 if (version >= 2)
6937bb54
NC		 9526 SAFE_BYTE_GET (ncols, phdr + 4, 4, limit);
9527 SAFE_BYTE_GET (nused, phdr + 8, 4, limit);
9528 SAFE_BYTE_GET (nslots, phdr + 12, 4, limit);
9529
657d0d47 9530 phash = phdr + 16;
8e2e3c6c
AM		 9531 pindex = phash + (size_t) nslots * 8;
9532 ppool = pindex + (size_t) nslots * 4;
57028622 9533
657d0d47
CC		 9534 if (do_display)
9535 {
dda8d76d
NC		 9536 introduce (section, FALSE);
9537
8e2e3c6c 9538 printf (_(" Version: %u\n"), version);
341f9135 9539 if (version >= 2)
8e2e3c6c
AM		 9540 printf (_(" Number of columns: %u\n"), ncols);
9541 printf (_(" Number of used entries: %u\n"), nused);
9542 printf (_(" Number of slots: %u\n\n"), nslots);
657d0d47
CC		 9543 }
9544
8e2e3c6c
AM		 9545 /* PR 17531: file: 45d69832. */
9546 if ((size_t) nslots * 8 / 8 != nslots
9547 || phash < phdr || phash > limit
9548 || pindex < phash || pindex > limit
9549 || ppool < pindex || ppool > limit)
657d0d47 9550 {
8e2e3c6c
AM		 9551 warn (ngettext ("Section %s is too small for %u slot\n",
9552 "Section %s is too small for %u slots\n",
9553 nslots),
657d0d47
CC		 9554 section->name, nslots);
9555 return 0;
9556 }
9557
341f9135 9558 if (version == 1)
657d0d47 9559 {
341f9135
CC		 9560 if (!do_display)
9561 prealloc_cu_tu_list ((limit - ppool) / 4);
9562 for (i = 0; i < nslots; i++)
657d0d47 9563 {
341f9135
CC		 9564 unsigned char *shndx_list;
9565 unsigned int shndx;
9566
6937bb54 9567 SAFE_BYTE_GET64 (phash, &signature_high, &signature_low, limit);
341f9135 9568 if (signature_high != 0 || signature_low != 0)
657d0d47 9569 {
6937bb54 9570 SAFE_BYTE_GET (j, pindex, 4, limit);
341f9135 9571 shndx_list = ppool + j * 4;
f3853b34
NC		 9572 /* PR 17531: file: 705e010d. */
9573 if (shndx_list < ppool)
9574 {
9575 warn (_("Section index pool located before start of section\n"));
9576 return 0;
9577 }
9578
341f9135
CC		 9579 if (do_display)
9580 printf (_(" [%3d] Signature: 0x%s Sections: "),
9581 i, dwarf_vmatoa64 (signature_high, signature_low,
9582 buf, sizeof (buf)));
9583 for (;;)
657d0d47 9584 {
341f9135
CC		 9585 if (shndx_list >= limit)
9586 {
9587 warn (_("Section %s too small for shndx pool\n"),
9588 section->name);
9589 return 0;
9590 }
6937bb54 9591 SAFE_BYTE_GET (shndx, shndx_list, 4, limit);
341f9135
CC		 9592 if (shndx == 0)
9593 break;
9594 if (do_display)
9595 printf (" %d", shndx);
9596 else
9597 add_shndx_to_cu_tu_entry (shndx);
9598 shndx_list += 4;
657d0d47 9599 }
657d0d47 9600 if (do_display)
341f9135 9601 printf ("\n");
657d0d47 9602 else
341f9135
CC		 9603 end_cu_tu_entry ();
9604 }
9605 phash += 8;
9606 pindex += 4;
9607 }
9608 }
9609 else if (version == 2)
9610 {
9611 unsigned int val;
9612 unsigned int dw_sect;
9613 unsigned char *ph = phash;
9614 unsigned char *pi = pindex;
8e2e3c6c
AM		 9615 unsigned char *poffsets = ppool + (size_t) ncols * 4;
9616 unsigned char *psizes = poffsets + (size_t) nused * ncols * 4;
9617 unsigned char *pend = psizes + (size_t) nused * ncols * 4;
341f9135
CC		 9618 bfd_boolean is_tu_index;
9619 struct cu_tu_set *this_set = NULL;
9620 unsigned int row;
9621 unsigned char *prow;
9622
9623 is_tu_index = strcmp (section->name, ".debug_tu_index") == 0;
9624
362beea4 9625 /* PR 17531: file: 0dd159bf.
8e2e3c6c
AM		 9626 Check for integer overflow (can occur when size_t is 32-bit)
9627 with overlarge ncols or nused values. */
4ac948a0
NC		 9628 if (ncols > 0
9629 && ((size_t) ncols * 4 / 4 != ncols
9630 || (size_t) nused * ncols * 4 / ((size_t) ncols * 4) != nused
9631 || poffsets < ppool || poffsets > limit
9632 || psizes < poffsets || psizes > limit
9633 || pend < psizes || pend > limit))
341f9135
CC		 9634 {
9635 warn (_("Section %s too small for offset and size tables\n"),
9636 section->name);
9637 return 0;
9638 }
9639
9640 if (do_display)
9641 {
9642 printf (_(" Offset table\n"));
9643 printf (" slot %-16s ",
9644 is_tu_index ? _("signature") : _("dwo_id"));
9645 }
9646 else
9647 {
9648 if (is_tu_index)
9649 {
9650 tu_count = nused;
72c61a0d 9651 tu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set));
341f9135 9652 this_set = tu_sets;
657d0d47 9653 }
657d0d47 9654 else
341f9135
CC		 9655 {
9656 cu_count = nused;
72c61a0d 9657 cu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set));
341f9135
CC		 9658 this_set = cu_sets;
9659 }
9660 }
6937bb54 9661
341f9135
CC		 9662 if (do_display)
9663 {
9664 for (j = 0; j < ncols; j++)
9665 {
6937bb54 9666 SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
341f9135
CC		 9667 printf (" %8s", get_DW_SECT_short_name (dw_sect));
9668 }
9669 printf ("\n");
9670 }
6937bb54 9671
341f9135
CC		 9672 for (i = 0; i < nslots; i++)
9673 {
6937bb54
NC		 9674 SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit);
9675
9676 SAFE_BYTE_GET (row, pi, 4, limit);
341f9135
CC		 9677 if (row != 0)
9678 {
591f7597 9679 /* PR 17531: file: a05f6ab3. */
ef77750e 9680 if (row > nused)
591f7597
NC		 9681 {
9682 warn (_("Row index (%u) is larger than number of used entries (%u)\n"),
9683 row, nused);
9684 return 0;
9685 }
9686
341f9135 9687 if (!do_display)
6aea08d9
NC		 9688 {
9689 size_t num_copy = sizeof (uint64_t);
9690
9691 /* PR 23064: Beware of buffer overflow. */
9692 if (ph + num_copy < limit)
9693 memcpy (&this_set[row - 1].signature, ph, num_copy);
9694 else
9695 {
9696 warn (_("Signature (%p) extends beyond end of space in section\n"), ph);
9697 return 0;
9698 }
9699 }
6937bb54 9700
341f9135 9701 prow = poffsets + (row - 1) * ncols * 4;
ffc0f143
NC		 9702 /* PR 17531: file: b8ce60a8. */
9703 if (prow < poffsets || prow > limit)
9704 {
9705 warn (_("Row index (%u) * num columns (%u) > space remaining in section\n"),
9706 row, ncols);
9707 return 0;
9708 }
3aade688 9709
341f9135
CC		 9710 if (do_display)
9711 printf (_(" [%3d] 0x%s"),
9712 i, dwarf_vmatoa64 (signature_high, signature_low,
9713 buf, sizeof (buf)));
9714 for (j = 0; j < ncols; j++)
9715 {
6937bb54 9716 SAFE_BYTE_GET (val, prow + j * 4, 4, limit);
341f9135
CC		 9717 if (do_display)
9718 printf (" %8d", val);
9719 else
9720 {
6937bb54 9721 SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
82b1b41b
NC		 9722
9723 /* PR 17531: file: 10796eb3. */
9724 if (dw_sect >= DW_SECT_MAX)
9725 warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect);
9726 else
9727 this_set [row - 1].section_offsets [dw_sect] = val;
341f9135
CC		 9728 }
9729 }
6937bb54 9730
341f9135
CC		 9731 if (do_display)
9732 printf ("\n");
9733 }
9734 ph += 8;
9735 pi += 4;
9736 }
9737
9738 ph = phash;
9739 pi = pindex;
9740 if (do_display)
b4eb7656 9741 {
341f9135
CC		 9742 printf ("\n");
9743 printf (_(" Size table\n"));
9744 printf (" slot %-16s ",
9745 is_tu_index ? _("signature") : _("dwo_id"));
b4eb7656 9746 }
6937bb54 9747
341f9135
CC		 9748 for (j = 0; j < ncols; j++)
9749 {
6937bb54 9750 SAFE_BYTE_GET (val, ppool + j * 4, 4, limit);
341f9135
CC		 9751 if (do_display)
9752 printf (" %8s", get_DW_SECT_short_name (val));
9753 }
6937bb54 9754
341f9135
CC		 9755 if (do_display)
9756 printf ("\n");
6937bb54 9757
341f9135
CC		 9758 for (i = 0; i < nslots; i++)
9759 {
6937bb54
NC		 9760 SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit);
9761
9762 SAFE_BYTE_GET (row, pi, 4, limit);
341f9135
CC		 9763 if (row != 0)
9764 {
9765 prow = psizes + (row - 1) * ncols * 4;
6937bb54 9766
341f9135
CC		 9767 if (do_display)
9768 printf (_(" [%3d] 0x%s"),
9769 i, dwarf_vmatoa64 (signature_high, signature_low,
9770 buf, sizeof (buf)));
6937bb54 9771
341f9135
CC		 9772 for (j = 0; j < ncols; j++)
9773 {
6937bb54 9774 SAFE_BYTE_GET (val, prow + j * 4, 4, limit);
341f9135
CC		 9775 if (do_display)
9776 printf (" %8d", val);
9777 else
9778 {
6937bb54 9779 SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
82b1b41b
NC		 9780 if (dw_sect >= DW_SECT_MAX)
9781 warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect);
9782 else
341f9135
CC		 9783 this_set [row - 1].section_sizes [dw_sect] = val;
9784 }
9785 }
6937bb54 9786
341f9135
CC		 9787 if (do_display)
9788 printf ("\n");
9789 }
6937bb54 9790
341f9135
CC		 9791 ph += 8;
9792 pi += 4;
657d0d47 9793 }
657d0d47 9794 }
341f9135 9795 else if (do_display)
6937bb54 9796 printf (_(" Unsupported version (%d)\n"), version);
657d0d47
CC		 9797
9798 if (do_display)
9799 printf ("\n");
9800
9801 return 1;
9802}
9803
9804/* Load the CU and TU indexes if present. This will build a list of
9805 section sets that we can use to associate a .debug_info.dwo section
9806 with its associated .debug_abbrev.dwo section in a .dwp file. */
9807
43a444f9 9808static bfd_boolean
657d0d47
CC		 9809load_cu_tu_indexes (void *file)
9810{
43a444f9
NC		 9811 static int cu_tu_indexes_read = -1; /* Tri-state variable. */
9812
657d0d47
CC		 9813 /* If we have already loaded (or tried to load) the CU and TU indexes
9814 then do not bother to repeat the task. */
43a444f9
NC		 9815 if (cu_tu_indexes_read == -1)
9816 {
9817 cu_tu_indexes_read = TRUE;
9818
dda8d76d 9819 if (load_debug_section_with_follow (dwp_cu_index, file))
43a444f9
NC		 9820 if (! process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0))
9821 cu_tu_indexes_read = FALSE;
9822
dda8d76d 9823 if (load_debug_section_with_follow (dwp_tu_index, file))
43a444f9
NC		 9824 if (! process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0))
9825 cu_tu_indexes_read = FALSE;
9826 }
657d0d47 9827
43a444f9 9828 return (bfd_boolean) cu_tu_indexes_read;
657d0d47
CC		 9829}
9830
9831/* Find the set of sections that includes section SHNDX. */
9832
9833unsigned int *
9834find_cu_tu_set (void *file, unsigned int shndx)
9835{
9836 unsigned int i;
9837
43a444f9
NC		 9838 if (! load_cu_tu_indexes (file))
9839 return NULL;
657d0d47
CC		 9840
9841 /* Find SHNDX in the shndx pool. */
9842 for (i = 0; i < shndx_pool_used; i++)
9843 if (shndx_pool [i] == shndx)
9844 break;
9845
9846 if (i >= shndx_pool_used)
9847 return NULL;
9848
9849 /* Now backup to find the first entry in the set. */
9850 while (i > 0 && shndx_pool [i - 1] != 0)
9851 i--;
9852
9853 return shndx_pool + i;
9854}
9855
9856/* Display a .debug_cu_index or .debug_tu_index section. */
9857
9858static int
9859display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED)
9860{
9861 return process_cu_tu_index (section, 1);
9862}
9863
19e6b90e
L		 9864static int
9865display_debug_not_supported (struct dwarf_section *section,
9866 void *file ATTRIBUTE_UNUSED)
9867{
9868 printf (_("Displaying the debug contents of section %s is not yet supported.\n"),
9869 section->name);
9870
9871 return 1;
9872}
9873
1306a742
NC		 9874/* Like malloc, but takes two parameters like calloc.
9875 Verifies that the first parameter is not too large.
82b1b41b 9876 Note: does *not* initialise the allocated memory to zero. */
dda8d76d 9877
19e6b90e
L		 9878void *
9879cmalloc (size_t nmemb, size_t size)
9880{
9881 /* Check for overflow. */
9882 if (nmemb >= ~(size_t) 0 / size)
9883 return NULL;
82b1b41b
NC		 9884
9885 return xmalloc (nmemb * size);
19e6b90e
L		 9886}
9887
1306a742
NC		 9888/* Like xmalloc, but takes two parameters like calloc.
9889 Verifies that the first parameter is not too large.
9890 Note: does *not* initialise the allocated memory to zero. */
dda8d76d 9891
72c61a0d 9892void *
1306a742 9893xcmalloc (size_t nmemb, size_t size)
72c61a0d
NC		 9894{
9895 /* Check for overflow. */
9896 if (nmemb >= ~(size_t) 0 / size)
8490fb40
NC		 9897 {
9898 fprintf (stderr,
9899 _("Attempt to allocate an array with an excessive number of elements: 0x%lx\n"),
9900 (long) nmemb);
9901 xexit (1);
9902 }
72c61a0d 9903
1306a742 9904 return xmalloc (nmemb * size);
72c61a0d
NC		 9905}
9906
1306a742
NC		 9907/* Like xrealloc, but takes three parameters.
9908 Verifies that the second parameter is not too large.
9909 Note: does *not* initialise any new memory to zero. */
dda8d76d 9910
19e6b90e 9911void *
1306a742 9912xcrealloc (void *ptr, size_t nmemb, size_t size)
19e6b90e
L		 9913{
9914 /* Check for overflow. */
9915 if (nmemb >= ~(size_t) 0 / size)
8490fb40 9916 {
dda8d76d
NC		 9917 error (_("Attempt to re-allocate an array with an excessive number of elements: 0x%lx\n"),
9918 (long) nmemb);
8490fb40
NC		 9919 xexit (1);
9920 }
82b1b41b 9921
1306a742 9922 return xrealloc (ptr, nmemb * size);
19e6b90e
L		 9923}
9924
1306a742 9925/* Like xcalloc, but verifies that the first parameter is not too large. */
dda8d76d 9926
19e6b90e 9927void *
1306a742 9928xcalloc2 (size_t nmemb, size_t size)
19e6b90e
L		 9929{
9930 /* Check for overflow. */
9931 if (nmemb >= ~(size_t) 0 / size)
8490fb40 9932 {
dda8d76d
NC		 9933 error (_("Attempt to allocate a zero'ed array with an excessive number of elements: 0x%lx\n"),
9934 (long) nmemb);
8490fb40
NC		 9935 xexit (1);
9936 }
82b1b41b 9937
1306a742 9938 return xcalloc (nmemb, size);
19e6b90e
L		 9939}
9940
dda8d76d
NC		 9941static unsigned long
9942calc_gnu_debuglink_crc32 (unsigned long crc,
9943 const unsigned char * buf,
9944 bfd_size_type len)
9945{
9946 static const unsigned long crc32_table[256] =
9947 {
9948 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
9949 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4,
9950 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07,
9951 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
9952 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856,
9953 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
9954 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4,
9955 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
9956 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
9957 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a,
9958 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599,
9959 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
9960 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190,
9961 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f,
9962 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e,
9963 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
9964 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed,
9965 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
9966 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3,
9967 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
9968 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a,
9969 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5,
9970 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010,
9971 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
9972 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17,
9973 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6,
9974 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
9975 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
9976 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344,
9977 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
9978 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a,
9979 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
9980 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1,
9981 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c,
9982 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef,
9983 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
9984 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe,
9985 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31,
9986 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c,
9987 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
9988 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b,
9989 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
9990 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1,
9991 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
9992 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
9993 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7,
9994 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66,
9995 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
9996 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605,
9997 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
9998 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b,
9999 0x2d02ef8d
10000 };
10001 const unsigned char *end;
10002
10003 crc = ~crc & 0xffffffff;
10004 for (end = buf + len; buf < end; ++ buf)
10005 crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8);
10006 return ~crc & 0xffffffff;
10007}
10008
10009typedef bfd_boolean (* check_func_type) (const char *, void *);
10010typedef const char * (* parse_func_type) (struct dwarf_section *, void *);
10011
10012static bfd_boolean
10013check_gnu_debuglink (const char * pathname, void * crc_pointer)
10014{
10015 static unsigned char buffer [8 * 1024];
10016 FILE * f;
10017 bfd_size_type count;
10018 unsigned long crc = 0;
10019 void * sep_data;
10020
10021 sep_data = open_debug_file (pathname);
10022 if (sep_data == NULL)
10023 return FALSE;
10024
10025 /* Yes - we are opening the file twice... */
10026 f = fopen (pathname, "rb");
10027 if (f == NULL)
10028 {
10029 /* Paranoia: This should never happen. */
10030 close_debug_file (sep_data);
10031 warn (_("Unable to reopen separate debug info file: %s\n"), pathname);
10032 return FALSE;
10033 }
10034
10035 while ((count = fread (buffer, 1, sizeof (buffer), f)) > 0)
10036 crc = calc_gnu_debuglink_crc32 (crc, buffer, count);
10037
10038 fclose (f);
10039
10040 if (crc != * (unsigned long *) crc_pointer)
10041 {
10042 close_debug_file (sep_data);
10043 warn (_("Separate debug info file %s found, but CRC does not match - ignoring\n"),
10044 pathname);
10045 return FALSE;
10046 }
10047
10048 return TRUE;
10049}
10050
10051static const char *
10052parse_gnu_debuglink (struct dwarf_section * section, void * data)
10053{
10054 const char * name;
10055 unsigned int crc_offset;
10056 unsigned long * crc32 = (unsigned long *) data;
10057
10058 /* The name is first.
10059 The CRC value is stored after the filename, aligned up to 4 bytes. */
10060 name = (const char *) section->start;
10061
39f0547e 10062
dda8d76d
NC		 10063 crc_offset = strnlen (name, section->size) + 1;
10064 crc_offset = (crc_offset + 3) & ~3;
10065 if (crc_offset + 4 > section->size)
10066 return NULL;
10067
10068 * crc32 = byte_get (section->start + crc_offset, 4);
10069 return name;
10070}
10071
10072static bfd_boolean
10073check_gnu_debugaltlink (const char * filename, void * data ATTRIBUTE_UNUSED)
10074{
10075 void * sep_data = open_debug_file (filename);
10076
10077 if (sep_data == NULL)
10078 return FALSE;
10079
10080 /* FIXME: We should now extract the build-id in the separate file
10081 and check it... */
10082
10083 return TRUE;
10084}
10085
10086typedef struct build_id_data
10087{
10088 bfd_size_type len;
10089 const unsigned char * data;
10090} Build_id_data;
10091
10092static const char *
10093parse_gnu_debugaltlink (struct dwarf_section * section, void * data)
10094{
10095 const char * name;
10096 bfd_size_type namelen;
10097 bfd_size_type id_len;
10098 Build_id_data * build_id_data;
10099
10100 /* The name is first.
10101 The build-id follows immediately, with no padding, up to the section's end. */
10102
10103 name = (const char *) section->start;
10104 namelen = strnlen (name, section->size) + 1;
10105 if (namelen >= section->size)
10106 return NULL;
10107
10108 id_len = section->size - namelen;
10109 if (id_len < 0x14)
10110 return NULL;
10111
10112 build_id_data = calloc (1, sizeof * build_id_data);
10113 if (build_id_data == NULL)
10114 return NULL;
10115
10116 build_id_data->len = id_len;
10117 build_id_data->data = section->start + namelen;
10118
10119 * (Build_id_data **) data = build_id_data;
10120
10121 return name;
10122}
10123
24841daa
NC		 10124static void
10125add_separate_debug_file (const char * filename, void * handle)
10126{
10127 separate_info * i = xmalloc (sizeof * i);
10128
10129 i->filename = filename;
10130 i->handle = handle;
10131 i->next = first_separate_info;
10132 first_separate_info = i;
10133}
10134
301a9420
AM		 10135#if HAVE_LIBDEBUGINFOD
10136/* Query debuginfod servers for the target debuglink or debugaltlink
10137 file. If successful, store the path of the file in filename and
10138 return TRUE, otherwise return FALSE. */
10139
10140static bfd_boolean
10141debuginfod_fetch_separate_debug_info (struct dwarf_section * section,
10142 char ** filename,
10143 void * file)
10144{
10145 size_t build_id_len;
10146 unsigned char * build_id;
10147
10148 if (strcmp (section->uncompressed_name, ".gnu_debuglink") == 0)
10149 {
10150 /* Get the build-id of file. */
10151 build_id = get_build_id (file);
10152 build_id_len = 0;
10153 }
10154 else if (strcmp (section->uncompressed_name, ".gnu_debugaltlink") == 0)
10155 {
10156 /* Get the build-id of the debugaltlink file. */
10157 unsigned int filelen;
10158
10159 filelen = strnlen ((const char *)section->start, section->size);
10160 if (filelen == section->size)
10161 /* Corrupt debugaltlink. */
10162 return FALSE;
10163
10164 build_id = section->start + filelen + 1;
10165 build_id_len = section->size - (filelen + 1);
10166
10167 if (build_id_len == 0)
10168 return FALSE;
10169 }
10170 else
10171 return FALSE;
10172
10173 if (build_id)
10174 {
10175 int fd;
10176 debuginfod_client * client;
10177
10178 client = debuginfod_begin ();
10179 if (client == NULL)
10180 return FALSE;
10181
10182 /* Query debuginfod servers for the target file. If found its path
10183 will be stored in filename. */
10184 fd = debuginfod_find_debuginfo (client, build_id, build_id_len, filename);
10185 debuginfod_end (client);
10186
10187 /* Only free build_id if we allocated space for a hex string
10188 in get_build_id (). */
10189 if (build_id_len == 0)
10190 free (build_id);
10191
10192 if (fd >= 0)
10193 {
10194 /* File successfully retrieved. Close fd since we want to
10195 use open_debug_file () on filename instead. */
10196 close (fd);
10197 return TRUE;
10198 }
10199 }
10200
10201 return FALSE;
10202}
10203#endif
10204
dda8d76d
NC		 10205static void *
10206load_separate_debug_info (const char * main_filename,
2b63c337 10207 struct dwarf_section * xlink,
dda8d76d
NC		 10208 parse_func_type parse_func,
10209 check_func_type check_func,
301a9420
AM		 10210 void * func_data,
10211 void * file ATTRIBUTE_UNUSED)
dda8d76d
NC		 10212{
10213 const char * separate_filename;
24841daa 10214 char * debug_filename;
dda8d76d
NC		 10215 char * canon_dir;
10216 size_t canon_dirlen;
10217 size_t dirlen;
10218
2b63c337 10219 if ((separate_filename = parse_func (xlink, func_data)) == NULL)
dda8d76d
NC		 10220 {
10221 warn (_("Corrupt debuglink section: %s\n"),
2b63c337 10222 xlink->name ? xlink->name : xlink->uncompressed_name);
dda8d76d
NC		 10223 return FALSE;
10224 }
10225
10226 /* Attempt to locate the separate file.
10227 This should duplicate the logic in bfd/opncls.c:find_separate_debug_file(). */
10228
10229 canon_dir = lrealpath (main_filename);
10230
10231 for (canon_dirlen = strlen (canon_dir); canon_dirlen > 0; canon_dirlen--)
10232 if (IS_DIR_SEPARATOR (canon_dir[canon_dirlen - 1]))
10233 break;
10234 canon_dir[canon_dirlen] = '\0';
10235
10236#ifndef DEBUGDIR
10237#define DEBUGDIR "/lib/debug"
10238#endif
10239#ifndef EXTRA_DEBUG_ROOT1
10240#define EXTRA_DEBUG_ROOT1 "/usr/lib/debug"
10241#endif
10242#ifndef EXTRA_DEBUG_ROOT2
10243#define EXTRA_DEBUG_ROOT2 "/usr/lib/debug/usr"
10244#endif
10245
24841daa
NC		 10246 debug_filename = (char *) malloc (strlen (DEBUGDIR) + 1
10247 + canon_dirlen
10248 + strlen (".debug/")
dda8d76d 10249#ifdef EXTRA_DEBUG_ROOT1
24841daa 10250 + strlen (EXTRA_DEBUG_ROOT1)
dda8d76d
NC		 10251#endif
10252#ifdef EXTRA_DEBUG_ROOT2
24841daa 10253 + strlen (EXTRA_DEBUG_ROOT2)
dda8d76d 10254#endif
24841daa
NC		 10255 + strlen (separate_filename)
10256 + 1);
10257 if (debug_filename == NULL)
dda8d76d
NC		 10258 {
10259 warn (_("Out of memory"));
3391569f 10260 free (canon_dir);
dda8d76d
NC		 10261 return NULL;
10262 }
10263
10264 /* First try in the current directory. */
24841daa
NC		 10265 sprintf (debug_filename, "%s", separate_filename);
10266 if (check_func (debug_filename, func_data))
dda8d76d
NC		 10267 goto found;
10268
10269 /* Then try in a subdirectory called .debug. */
24841daa
NC		 10270 sprintf (debug_filename, ".debug/%s", separate_filename);
10271 if (check_func (debug_filename, func_data))
dda8d76d
NC		 10272 goto found;
10273
10274 /* Then try in the same directory as the original file. */
24841daa
NC		 10275 sprintf (debug_filename, "%s%s", canon_dir, separate_filename);
10276 if (check_func (debug_filename, func_data))
dda8d76d
NC		 10277 goto found;
10278
10279 /* And the .debug subdirectory of that directory. */
24841daa
NC		 10280 sprintf (debug_filename, "%s.debug/%s", canon_dir, separate_filename);
10281 if (check_func (debug_filename, func_data))
dda8d76d
NC		 10282 goto found;
10283
10284#ifdef EXTRA_DEBUG_ROOT1
10285 /* Try the first extra debug file root. */
24841daa
NC		 10286 sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename);
10287 if (check_func (debug_filename, func_data))
dda8d76d 10288 goto found;
39f0547e
NC		 10289
10290 /* Try the first extra debug file root. */
10291 sprintf (debug_filename, "%s/%s/%s", EXTRA_DEBUG_ROOT1, canon_dir, separate_filename);
10292 if (check_func (debug_filename, func_data))
10293 goto found;
dda8d76d
NC		 10294#endif
10295
10296#ifdef EXTRA_DEBUG_ROOT2
10297 /* Try the second extra debug file root. */
24841daa
NC		 10298 sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename);
10299 if (check_func (debug_filename, func_data))
dda8d76d
NC		 10300 goto found;
10301#endif
10302
24841daa
NC		 10303 /* Then try in the global debug_filename directory. */
10304 strcpy (debug_filename, DEBUGDIR);
dda8d76d
NC		 10305 dirlen = strlen (DEBUGDIR) - 1;
10306 if (dirlen > 0 && DEBUGDIR[dirlen] != '/')
24841daa
NC		 10307 strcat (debug_filename, "/");
10308 strcat (debug_filename, (const char *) separate_filename);
dda8d76d 10309
24841daa 10310 if (check_func (debug_filename, func_data))
dda8d76d
NC		 10311 goto found;
10312
301a9420
AM		 10313#if HAVE_LIBDEBUGINFOD
10314 {
10315 char * tmp_filename;
10316
10317 if (debuginfod_fetch_separate_debug_info (xlink,
10318 & tmp_filename,
10319 file))
10320 {
10321 /* File successfully downloaded from server, replace
10322 debug_filename with the file's path. */
10323 free (debug_filename);
10324 debug_filename = tmp_filename;
10325 goto found;
10326 }
10327 }
10328#endif
10329
dda8d76d
NC		 10330 /* Failed to find the file. */
10331 warn (_("could not find separate debug file '%s'\n"), separate_filename);
24841daa 10332 warn (_("tried: %s\n"), debug_filename);
dda8d76d
NC		 10333
10334#ifdef EXTRA_DEBUG_ROOT2
24841daa
NC		 10335 sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename);
10336 warn (_("tried: %s\n"), debug_filename);
dda8d76d
NC		 10337#endif
10338
10339#ifdef EXTRA_DEBUG_ROOT1
39f0547e
NC		 10340 sprintf (debug_filename, "%s/%s/%s", EXTRA_DEBUG_ROOT1, canon_dir, separate_filename);
10341 warn (_("tried: %s\n"), debug_filename);
10342
24841daa
NC		 10343 sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename);
10344 warn (_("tried: %s\n"), debug_filename);
dda8d76d
NC		 10345#endif
10346
24841daa
NC		 10347 sprintf (debug_filename, "%s.debug/%s", canon_dir, separate_filename);
10348 warn (_("tried: %s\n"), debug_filename);
dda8d76d 10349
24841daa
NC		 10350 sprintf (debug_filename, "%s%s", canon_dir, separate_filename);
10351 warn (_("tried: %s\n"), debug_filename);
dda8d76d 10352
24841daa
NC		 10353 sprintf (debug_filename, ".debug/%s", separate_filename);
10354 warn (_("tried: %s\n"), debug_filename);
dda8d76d 10355
24841daa
NC		 10356 sprintf (debug_filename, "%s", separate_filename);
10357 warn (_("tried: %s\n"), debug_filename);
dda8d76d 10358
301a9420
AM		 10359#if HAVE_LIBDEBUGINFOD
10360 {
10361 char *urls = getenv (DEBUGINFOD_URLS_ENV_VAR);
10362 if (urls == NULL)
10363 urls = "";
10364
10365 warn (_("tried: DEBUGINFOD_URLS=%s\n"), urls);
10366 }
10367#endif
10368
dda8d76d 10369 free (canon_dir);
24841daa 10370 free (debug_filename);
dda8d76d
NC		 10371 return NULL;
10372
10373 found:
10374 free (canon_dir);
10375
24841daa
NC		 10376 void * debug_handle;
10377
dda8d76d 10378 /* Now open the file.... */
24841daa 10379 if ((debug_handle = open_debug_file (debug_filename)) == NULL)
dda8d76d 10380 {
24841daa
NC		 10381 warn (_("failed to open separate debug file: %s\n"), debug_filename);
10382 free (debug_filename);
dda8d76d
NC		 10383 return FALSE;
10384 }
10385
10386 /* FIXME: We do not check to see if there are any other separate debug info
10387 files that would also match. */
10388
24841daa
NC		 10389 printf (_("%s: Found separate debug info file: %s\n\n"), main_filename, debug_filename);
10390 add_separate_debug_file (debug_filename, debug_handle);
dda8d76d 10391
24841daa 10392 /* Do not free debug_filename - it might be referenced inside
dda8d76d 10393 the structure returned by open_debug_file(). */
24841daa 10394 return debug_handle;
dda8d76d
NC		 10395}
10396
d85bf2ba
NC		 10397/* Attempt to load a separate dwarf object file. */
10398
10399static void *
24841daa 10400load_dwo_file (const char * main_filename, const char * name, const char * dir, const char * id ATTRIBUTE_UNUSED)
d85bf2ba 10401{
24841daa
NC		 10402 char * separate_filename;
10403 void * separate_handle;
d85bf2ba
NC		 10404
10405 /* FIXME: Skip adding / if dwo_dir ends in /. */
24841daa
NC		 10406 separate_filename = concat (dir, "/", name, NULL);
10407 if (separate_filename == NULL)
d85bf2ba
NC		 10408 {
10409 warn (_("Out of memory allocating dwo filename\n"));
10410 return NULL;
10411 }
10412
24841daa 10413 if ((separate_handle = open_debug_file (separate_filename)) == NULL)
d85bf2ba 10414 {
24841daa
NC		 10415 warn (_("Unable to load dwo file: %s\n"), separate_filename);
10416 free (separate_filename);
d85bf2ba
NC		 10417 return NULL;
10418 }
10419
10420 /* FIXME: We should check the dwo_id. */
10421
24841daa
NC		 10422 printf (_("%s: Found separate debug object file: %s\n\n"), main_filename, separate_filename);
10423 add_separate_debug_file (separate_filename, separate_handle);
10424 /* Note - separate_filename will be freed in free_debug_memory(). */
10425 return separate_handle;
d85bf2ba
NC		 10426}
10427
24841daa
NC		 10428/* Load the separate debug info file(s) attached to FILE, if any exist.
10429 Returns TRUE if any were found, FALSE otherwise.
10430 If TRUE is returned then the linked list starting at first_separate_info
10431 will be populated with open file handles. */
dda8d76d 10432
24841daa
NC		 10433bfd_boolean
10434load_separate_debug_files (void * file, const char * filename)
dda8d76d 10435{
8de3a6e2
NC		 10436 /* Skip this operation if we are not interested in debug links. */
10437 if (! do_follow_links && ! do_debug_links)
24841daa 10438 return FALSE;
8de3a6e2 10439
24841daa 10440 /* See if there are any dwo links. */
d85bf2ba
NC		 10441 if (load_debug_section (str, file)
10442 && load_debug_section (abbrev, file)
10443 && load_debug_section (info, file))
10444 {
24841daa 10445 free_dwo_info ();
d85bf2ba
NC		 10446
10447 if (process_debug_info (& debug_displays[info].section, file, abbrev, TRUE, FALSE))
10448 {
24841daa
NC		 10449 bfd_boolean introduced = FALSE;
10450 dwo_info * dwinfo;
10451 const char * dir = NULL;
10452 const char * id = NULL;
10453
10454 for (dwinfo = first_dwo_info; dwinfo != NULL; dwinfo = dwinfo->next)
d85bf2ba 10455 {
24841daa 10456 switch (dwinfo->type)
d85bf2ba 10457 {
24841daa
NC		 10458 case DWO_NAME:
10459 if (do_debug_links)
10460 {
10461 if (! introduced)
10462 {
10463 printf (_("The %s section contains link(s) to dwo file(s):\n\n"),
10464 debug_displays [info].section.uncompressed_name);
10465 introduced = TRUE;
10466 }
d85bf2ba 10467
24841daa
NC		 10468 printf (_(" Name: %s\n"), dwinfo->value);
10469 printf (_(" Directory: %s\n"), dir ? dir : _("<not-found>"));
10470 if (id != NULL)
10471 display_data (printf (_(" ID: ")), (unsigned char *) id, 8);
10472 else
10473 printf (_(" ID: <unknown>\n"));
10474 printf ("\n\n");
10475 }
10476
10477 if (do_follow_links)
10478 load_dwo_file (filename, dwinfo->value, dir, id);
10479 break;
10480
10481 case DWO_DIR:
10482 dir = dwinfo->value;
10483 break;
10484
10485 case DWO_ID:
10486 id = dwinfo->value;
10487 break;
10488
10489 default:
10490 error (_("Unexpected DWO INFO type"));
10491 break;
10492 }
d85bf2ba
NC		 10493 }
10494 }
10495 }
10496
dda8d76d 10497 if (! do_follow_links)
8de3a6e2
NC		 10498 /* The other debug links will be displayed by display_debug_links()
10499 so we do not need to do any further processing here. */
24841daa 10500 return FALSE;
dda8d76d
NC		 10501
10502 /* FIXME: We do not check for the presence of both link sections in the same file. */
10503 /* FIXME: We do not check the separate debug info file to see if it too contains debuglinks. */
10504 /* FIXME: We do not check for the presence of multiple, same-name debuglink sections. */
d85bf2ba 10505 /* FIXME: We do not check for the presence of a dwo link as well as a debuglink. */
dda8d76d 10506
dda8d76d
NC		 10507 if (load_debug_section (gnu_debugaltlink, file))
10508 {
10509 Build_id_data * build_id_data;
10510
24841daa
NC		 10511 load_separate_debug_info (filename,
10512 & debug_displays[gnu_debugaltlink].section,
10513 parse_gnu_debugaltlink,
10514 check_gnu_debugaltlink,
301a9420
AM		 10515 & build_id_data,
10516 file);
dda8d76d
NC		 10517 }
10518
10519 if (load_debug_section (gnu_debuglink, file))
10520 {
10521 unsigned long crc32;
10522
24841daa
NC		 10523 load_separate_debug_info (filename,
10524 & debug_displays[gnu_debuglink].section,
10525 parse_gnu_debuglink,
10526 check_gnu_debuglink,
301a9420
AM		 10527 & crc32,
10528 file);
dda8d76d
NC		 10529 }
10530
24841daa
NC		 10531 if (first_separate_info != NULL)
10532 return TRUE;
10533
dda8d76d 10534 do_follow_links = 0;
24841daa 10535 return FALSE;
dda8d76d
NC		 10536}
10537
19e6b90e
L		 10538void
10539free_debug_memory (void)
10540{
3f5e193b 10541 unsigned int i;
19e6b90e
L		 10542
10543 free_abbrevs ();
10544
10545 for (i = 0; i < max; i++)
3f5e193b 10546 free_debug_section ((enum dwarf_section_display_enum) i);
19e6b90e 10547
cc86f28f 10548 if (debug_information != NULL)
19e6b90e 10549 {
cc86f28f 10550 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE)
19e6b90e 10551 {
cc86f28f 10552 for (i = 0; i < num_debug_info_entries; i++)
19e6b90e 10553 {
cc86f28f
NC		 10554 if (!debug_information [i].max_loc_offsets)
10555 {
10556 free (debug_information [i].loc_offsets);
10557 free (debug_information [i].have_frame_base);
10558 }
10559 if (!debug_information [i].max_range_lists)
10560 free (debug_information [i].range_lists);
19e6b90e 10561 }
19e6b90e
L		 10562 }
10563 free (debug_information);
10564 debug_information = NULL;
82b1b41b 10565 alloc_num_debug_info_entries = num_debug_info_entries = 0;
19e6b90e 10566 }
dda8d76d 10567
24841daa
NC		 10568 separate_info * d;
10569 separate_info * next;
dda8d76d 10570
24841daa
NC		 10571 for (d = first_separate_info; d != NULL; d = next)
10572 {
10573 close_debug_file (d->handle);
10574 free ((void *) d->filename);
10575 next = d->next;
10576 free ((void *) d);
dda8d76d 10577 }
24841daa
NC		 10578 first_separate_info = NULL;
10579
10580 free_dwo_info ();
19e6b90e
L		 10581}
10582
4cb93e3b
TG		 10583void
10584dwarf_select_sections_by_names (const char *names)
10585{
10586 typedef struct
10587 {
10588 const char * option;
10589 int * variable;
f9f0e732 10590 int val;
4cb93e3b
TG		 10591 }
10592 debug_dump_long_opts;
10593
10594 static const debug_dump_long_opts opts_table [] =
10595 {
10596 /* Please keep this table alpha- sorted. */
10597 { "Ranges", & do_debug_ranges, 1 },
10598 { "abbrev", & do_debug_abbrevs, 1 },
657d0d47 10599 { "addr", & do_debug_addr, 1 },
4cb93e3b 10600 { "aranges", & do_debug_aranges, 1 },
657d0d47
CC		 10601 { "cu_index", & do_debug_cu_index, 1 },
10602 { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED },
dda8d76d 10603 { "follow-links", & do_follow_links, 1 },
4cb93e3b
TG		 10604 { "frames", & do_debug_frames, 1 },
10605 { "frames-interp", & do_debug_frames_interp, 1 },
657d0d47
CC		 10606 /* The special .gdb_index section. */
10607 { "gdb_index", & do_gdb_index, 1 },
4cb93e3b
TG		 10608 { "info", & do_debug_info, 1 },
10609 { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */
dda8d76d 10610 { "links", & do_debug_links, 1 },
4cb93e3b
TG		 10611 { "loc", & do_debug_loc, 1 },
10612 { "macro", & do_debug_macinfo, 1 },
10613 { "pubnames", & do_debug_pubnames, 1 },
357da287 10614 { "pubtypes", & do_debug_pubtypes, 1 },
222c2bf0 10615 /* This entry is for compatibility
4cb93e3b
TG		 10616 with earlier versions of readelf. */
10617 { "ranges", & do_debug_aranges, 1 },
657d0d47 10618 { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW },
4cb93e3b 10619 { "str", & do_debug_str, 1 },
6f875884
TG		 10620 /* These trace_* sections are used by Itanium VMS. */
10621 { "trace_abbrev", & do_trace_abbrevs, 1 },
10622 { "trace_aranges", & do_trace_aranges, 1 },
10623 { "trace_info", & do_trace_info, 1 },
4cb93e3b
TG		 10624 { NULL, NULL, 0 }
10625 };
10626
10627 const char *p;
467c65bc 10628
4cb93e3b
TG		 10629 p = names;
10630 while (*p)
10631 {
10632 const debug_dump_long_opts * entry;
467c65bc 10633
4cb93e3b
TG		 10634 for (entry = opts_table; entry->option; entry++)
10635 {
10636 size_t len = strlen (entry->option);
467c65bc 10637
4cb93e3b
TG		 10638 if (strncmp (p, entry->option, len) == 0
10639 && (p[len] == ',' || p[len] == '\0'))
10640 {
10641 * entry->variable |= entry->val;
467c65bc 10642
4cb93e3b
TG		 10643 /* The --debug-dump=frames-interp option also
10644 enables the --debug-dump=frames option. */
10645 if (do_debug_frames_interp)
10646 do_debug_frames = 1;
10647
10648 p += len;
10649 break;
10650 }
10651 }
467c65bc 10652
4cb93e3b
TG		 10653 if (entry->option == NULL)
10654 {
10655 warn (_("Unrecognized debug option '%s'\n"), p);
10656 p = strchr (p, ',');
10657 if (p == NULL)
10658 break;
10659 }
467c65bc 10660
4cb93e3b
TG		 10661 if (*p == ',')
10662 p++;
10663 }
10664}
10665
10666void
10667dwarf_select_sections_by_letters (const char *letters)
10668{
91d6fa6a 10669 unsigned int lindex = 0;
4cb93e3b 10670
91d6fa6a
NC		 10671 while (letters[lindex])
10672 switch (letters[lindex++])
4cb93e3b 10673 {
dda8d76d
NC		 10674 case 'A': do_debug_addr = 1; break;
10675 case 'a': do_debug_abbrevs = 1; break;
10676 case 'c': do_debug_cu_index = 1; break;
10677 case 'F': do_debug_frames_interp = 1; /* Fall through. */
10678 case 'f': do_debug_frames = 1; break;
10679 case 'g': do_gdb_index = 1; break;
10680 case 'i': do_debug_info = 1; break;
10681 case 'K': do_follow_links = 1; break;
10682 case 'k': do_debug_links = 1; break;
10683 case 'l': do_debug_lines |= FLAG_DEBUG_LINES_RAW; break;
10684 case 'L': do_debug_lines |= FLAG_DEBUG_LINES_DECODED; break;
10685 case 'm': do_debug_macinfo = 1; break;
10686 case 'o': do_debug_loc = 1; break;
10687 case 'p': do_debug_pubnames = 1; break;
10688 case 'R': do_debug_ranges = 1; break;
10689 case 'r': do_debug_aranges = 1; break;
10690 case 's': do_debug_str = 1; break;
10691 case 'T': do_trace_aranges = 1; break;
10692 case 't': do_debug_pubtypes = 1; break;
10693 case 'U': do_trace_info = 1; break;
10694 case 'u': do_trace_abbrevs = 1; break;
467c65bc 10695
4cb93e3b 10696 default:
7cc78d07 10697 warn (_("Unrecognized debug option '%s'\n"), letters);
4cb93e3b
TG		 10698 break;
10699 }
10700}
10701
10702void
10703dwarf_select_sections_all (void)
10704{
10705 do_debug_info = 1;
10706 do_debug_abbrevs = 1;
10707 do_debug_lines = FLAG_DEBUG_LINES_RAW;
10708 do_debug_pubnames = 1;
f9f0e732 10709 do_debug_pubtypes = 1;
4cb93e3b
TG		 10710 do_debug_aranges = 1;
10711 do_debug_ranges = 1;
10712 do_debug_frames = 1;
10713 do_debug_macinfo = 1;
10714 do_debug_str = 1;
10715 do_debug_loc = 1;
5bbdf3d5 10716 do_gdb_index = 1;
6f875884
TG		 10717 do_trace_info = 1;
10718 do_trace_abbrevs = 1;
10719 do_trace_aranges = 1;
657d0d47
CC		 10720 do_debug_addr = 1;
10721 do_debug_cu_index = 1;
dda8d76d
NC		 10722 do_follow_links = 1;
10723 do_debug_links = 1;
4cb93e3b
TG		 10724}
10725
dda8d76d
NC		 10726#define NO_ABBREVS NULL, NULL, NULL, 0, 0, 0, NULL, 0, NULL
10727#define ABBREV(N) NULL, NULL, NULL, 0, 0, N, NULL, 0, NULL
10728
10729/* N.B. The order here must match the order in section_display_enum. */
10730
19e6b90e
L		 10731struct dwarf_section_display debug_displays[] =
10732{
dda8d76d
NC		 10733 { { ".debug_abbrev", ".zdebug_abbrev", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE },
10734 { { ".debug_aranges", ".zdebug_aranges", NO_ABBREVS }, display_debug_aranges, &do_debug_aranges, TRUE },
10735 { { ".debug_frame", ".zdebug_frame", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE },
10736 { { ".debug_info", ".zdebug_info", ABBREV (abbrev)}, display_debug_info, &do_debug_info, TRUE },
10737 { { ".debug_line", ".zdebug_line", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE },
10738 { { ".debug_pubnames", ".zdebug_pubnames", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubnames, FALSE },
10739 { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubnames, FALSE },
10740 { { ".eh_frame", "", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE },
10741 { { ".debug_macinfo", ".zdebug_macinfo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE },
10742 { { ".debug_macro", ".zdebug_macro", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE },
10743 { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
10744 { { ".debug_line_str", ".zdebug_line_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
10745 { { ".debug_loc", ".zdebug_loc", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
10746 { { ".debug_loclists", ".zdebug_loclists", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
10747 { { ".debug_pubtypes", ".zdebug_pubtypes", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubtypes, FALSE },
10748 { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubtypes, FALSE },
10749 { { ".debug_ranges", ".zdebug_ranges", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE },
10750 { { ".debug_rnglists", ".zdebug_rnglists", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE },
10751 { { ".debug_static_func", ".zdebug_static_func", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
10752 { { ".debug_static_vars", ".zdebug_static_vars", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
10753 { { ".debug_types", ".zdebug_types", ABBREV (abbrev) }, display_debug_types, &do_debug_info, TRUE },
10754 { { ".debug_weaknames", ".zdebug_weaknames", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
10755 { { ".gdb_index", "", NO_ABBREVS }, display_gdb_index, &do_gdb_index, FALSE },
10756 { { ".debug_names", "", NO_ABBREVS }, display_debug_names, &do_gdb_index, FALSE },
10757 { { ".trace_info", "", ABBREV (trace_abbrev) }, display_trace_info, &do_trace_info, TRUE },
10758 { { ".trace_abbrev", "", NO_ABBREVS }, display_debug_abbrev, &do_trace_abbrevs, FALSE },
10759 { { ".trace_aranges", "", NO_ABBREVS }, display_debug_aranges, &do_trace_aranges, FALSE },
10760 { { ".debug_info.dwo", ".zdebug_info.dwo", ABBREV (abbrev_dwo) }, display_debug_info, &do_debug_info, TRUE },
10761 { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE },
10762 { { ".debug_types.dwo", ".zdebug_types.dwo", ABBREV (abbrev_dwo) }, display_debug_types, &do_debug_info, TRUE },
10763 { { ".debug_line.dwo", ".zdebug_line.dwo", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE },
10764 { { ".debug_loc.dwo", ".zdebug_loc.dwo", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
10765 { { ".debug_macro.dwo", ".zdebug_macro.dwo", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE },
10766 { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE },
10767 { { ".debug_str.dwo", ".zdebug_str.dwo", NO_ABBREVS }, display_debug_str, &do_debug_str, TRUE },
10768 { { ".debug_str_offsets", ".zdebug_str_offsets", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE },
10769 { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE },
10770 { { ".debug_addr", ".zdebug_addr", NO_ABBREVS }, display_debug_addr, &do_debug_addr, TRUE },
10771 { { ".debug_cu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE },
10772 { { ".debug_tu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE },
10773 { { ".gnu_debuglink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE },
10774 { { ".gnu_debugaltlink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE },
10775 /* Separate debug info files can containt their own .debug_str section,
10776 and this might be in *addition* to a .debug_str section already present
10777 in the main file. Hence we need to have two entries for .debug_str. */
10778 { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
19e6b90e 10779};
b451e98a
JK		 10780
10781/* A static assertion. */
10782extern int debug_displays_assert[ARRAY_SIZE (debug_displays) == max ? 1 : -1];
GDB Binutils - Deliverables
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