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display_debug_macro
[thirdparty/binutils-gdb.git] / binutils / dwarf.c
CommitLineData
19e6b90e 1/* dwarf.c -- display DWARF contents of a BFD binary file
250d07de 2 Copyright (C) 2005-2021 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"
3dfb1b6d 24#include <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
b9b204b3 39#include <limits.h>
b9b204b3
AM		 40#ifndef CHAR_BIT
41#define CHAR_BIT 8
42#endif
43
61364358
JK		 44#undef MAX
45#undef MIN
46#define MAX(a, b) ((a) > (b) ? (a) : (b))
47#define MIN(a, b) ((a) < (b) ? (a) : (b))
19e6b90e 48
18464d4d 49static const char *regname (unsigned int regno, int row);
1296bc99 50static const char *regname_internal_by_table_only (unsigned int regno);
18464d4d 51
19e6b90e
L		 52static int have_frame_base;
53static int need_base_address;
54
19e6b90e 55static unsigned int num_debug_info_entries = 0;
82b1b41b 56static unsigned int alloc_num_debug_info_entries = 0;
19e6b90e 57static debug_info *debug_information = NULL;
cc86f28f
NC		 58/* Special value for num_debug_info_entries to indicate
59 that the .debug_info section could not be loaded/parsed. */
60#define DEBUG_INFO_UNAVAILABLE (unsigned int) -1
19e6b90e 61
24841daa
NC		 62/* A .debug_info section can contain multiple links to separate
63 DWO object files. We use these structures to record these links. */
64typedef enum dwo_type
65{
66 DWO_NAME,
67 DWO_DIR,
68 DWO_ID
69} dwo_type;
70
71typedef struct dwo_info
72{
73 dwo_type type;
74 const char * value;
50ea0877 75 dwarf_vma cu_offset;
24841daa
NC		 76 struct dwo_info * next;
77} dwo_info;
78
015dc7e1
AM		 79static dwo_info *first_dwo_info = NULL;
80static bool need_dwo_info;
24841daa
NC		 81
82separate_info * first_separate_info = NULL;
d85bf2ba 83
77ef8654 84unsigned int eh_addr_size;
19e6b90e
L		 85
86int do_debug_info;
87int do_debug_abbrevs;
88int do_debug_lines;
89int do_debug_pubnames;
f9f0e732 90int do_debug_pubtypes;
19e6b90e
L		 91int do_debug_aranges;
92int do_debug_ranges;
93int do_debug_frames;
94int do_debug_frames_interp;
95int do_debug_macinfo;
96int do_debug_str;
e4b7104b 97int do_debug_str_offsets;
19e6b90e 98int do_debug_loc;
5bbdf3d5 99int do_gdb_index;
6f875884
TG		 100int do_trace_info;
101int do_trace_abbrevs;
102int do_trace_aranges;
657d0d47
CC		 103int do_debug_addr;
104int do_debug_cu_index;
a262ae96 105int do_wide;
dda8d76d 106int do_debug_links;
c46b7066 107int do_follow_links = DEFAULT_FOR_FOLLOW_LINKS;
015dc7e1 108bool do_checks;
19e6b90e 109
fd2f0033
TT		 110int dwarf_cutoff_level = -1;
111unsigned long dwarf_start_die;
112
4723351a
CC		 113int dwarf_check = 0;
114
9f272209
AO		 115/* Convenient constant, to avoid having to cast -1 to dwarf_vma when
116 testing whether e.g. a locview list is present. */
117static const dwarf_vma vm1 = -1;
118
341f9135
CC		 119/* Collection of CU/TU section sets from .debug_cu_index and .debug_tu_index
120 sections. For version 1 package files, each set is stored in SHNDX_POOL
121 as a zero-terminated list of section indexes comprising one set of debug
122 sections from a .dwo file. */
123
341f9135
CC		 124static unsigned int *shndx_pool = NULL;
125static unsigned int shndx_pool_size = 0;
126static unsigned int shndx_pool_used = 0;
127
128/* For version 2 package files, each set contains an array of section offsets
129 and an array of section sizes, giving the offset and size of the
130 contribution from a CU or TU within one of the debug sections.
131 When displaying debug info from a package file, we need to use these
132 tables to locate the corresponding contributions to each section. */
133
134struct cu_tu_set
135{
ec1b0fbb
NC		 136 uint64_t signature;
137 dwarf_vma section_offsets[DW_SECT_MAX];
138 size_t section_sizes[DW_SECT_MAX];
341f9135
CC		 139};
140
141static int cu_count = 0;
142static int tu_count = 0;
143static struct cu_tu_set *cu_sets = NULL;
144static struct cu_tu_set *tu_sets = NULL;
145
015dc7e1 146static bool load_cu_tu_indexes (void *);
341f9135 147
ec1b0fbb
NC		 148/* An array that indicates for a given level of CU nesting whether
149 the latest DW_AT_type seen for that level was a signed type or
150 an unsigned type. */
151#define MAX_CU_NESTING (1 << 8)
015dc7e1 152static bool level_type_signed[MAX_CU_NESTING];
ec1b0fbb 153
4cb93e3b
TG		 154/* Values for do_debug_lines. */
155#define FLAG_DEBUG_LINES_RAW 1
156#define FLAG_DEBUG_LINES_DECODED 2
157
77ef8654 158static unsigned int
f1c4cc75
RH		 159size_of_encoded_value (int encoding)
160{
161 switch (encoding & 0x7)
162 {
163 default: /* ??? */
164 case 0: return eh_addr_size;
165 case 2: return 2;
166 case 3: return 4;
167 case 4: return 8;
168 }
169}
170
171static dwarf_vma
041830e0 172get_encoded_value (unsigned char **pdata,
bad62cf5 173 int encoding,
041830e0
NC		 174 struct dwarf_section *section,
175 unsigned char * end)
f1c4cc75 176{
041830e0 177 unsigned char * data = * pdata;
6937bb54 178 unsigned int size = size_of_encoded_value (encoding);
bad62cf5 179 dwarf_vma val;
f1c4cc75 180
fc5e0925 181 if (data >= end || size > (size_t) (end - data))
041830e0
NC		 182 {
183 warn (_("Encoded value extends past end of section\n"));
184 * pdata = end;
185 return 0;
186 }
187
6937bb54
NC		 188 /* PR 17512: file: 002-829853-0.004. */
189 if (size > 8)
190 {
191 warn (_("Encoded size of %d is too large to read\n"), size);
192 * pdata = end;
193 return 0;
194 }
195
0a9d414a
NC		 196 /* PR 17512: file: 1085-5603-0.004. */
197 if (size == 0)
198 {
199 warn (_("Encoded size of 0 is too small to read\n"));
200 * pdata = end;
201 return 0;
202 }
203
f1c4cc75 204 if (encoding & DW_EH_PE_signed)
bad62cf5 205 val = byte_get_signed (data, size);
f1c4cc75 206 else
bad62cf5
AM		 207 val = byte_get (data, size);
208
209 if ((encoding & 0x70) == DW_EH_PE_pcrel)
210 val += section->address + (data - section->start);
041830e0
NC		 211
212 * pdata = data + size;
bad62cf5 213 return val;
f1c4cc75
RH		 214}
215
87b9f255 216#if SIZEOF_LONG_LONG > SIZEOF_LONG
4c219c2e
AM		 217# ifndef __MINGW32__
218# define DWARF_VMA_FMT "ll"
219# define DWARF_VMA_FMT_LONG "%16.16llx"
220# else
221# define DWARF_VMA_FMT "I64"
222# define DWARF_VMA_FMT_LONG "%016I64x"
223# endif
2e14fae2 224#else
4c219c2e
AM		 225# define DWARF_VMA_FMT "l"
226# define DWARF_VMA_FMT_LONG "%16.16lx"
2d9472a2
NC		 227#endif
228
bf5117e3
NC		 229/* Convert a dwarf vma value into a string. Returns a pointer to a static
230 buffer containing the converted VALUE. The value is converted according
231 to the printf formating character FMTCH. If NUM_BYTES is non-zero then
232 it specifies the maximum number of bytes to be displayed in the converted
233 value and FMTCH is ignored - hex is always used. */
467c65bc 234
47704ddf 235static const char *
bf5117e3 236dwarf_vmatoa_1 (const char *fmtch, dwarf_vma value, unsigned num_bytes)
47704ddf
KT		 237{
238 /* As dwarf_vmatoa is used more then once in a printf call
239 for output, we are cycling through an fixed array of pointers
240 for return address. */
241 static int buf_pos = 0;
467c65bc
NC		 242 static struct dwarf_vmatoa_buf
243 {
47704ddf
KT		 244 char place[64];
245 } buf[16];
47704ddf
KT		 246 char *ret;
247
47704ddf 248 ret = buf[buf_pos++].place;
467c65bc 249 buf_pos %= ARRAY_SIZE (buf);
47704ddf 250
bf5117e3
NC		 251 if (num_bytes)
252 {
222c2bf0 253 /* Printf does not have a way of specifying a maximum field width for an
bf5117e3
NC		 254 integer value, so we print the full value into a buffer and then select
255 the precision we need. */
256 snprintf (ret, sizeof (buf[0].place), DWARF_VMA_FMT_LONG, value);
257 if (num_bytes > 8)
258 num_bytes = 8;
259 return ret + (16 - 2 * num_bytes);
260 }
261 else
262 {
263 char fmt[32];
264
0bae9e9e
NC		 265 if (fmtch)
266 sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch);
267 else
268 sprintf (fmt, "%%%s", DWARF_VMA_FMT);
bf5117e3
NC		 269 snprintf (ret, sizeof (buf[0].place), fmt, value);
270 return ret;
271 }
272}
47704ddf 273
bf5117e3
NC		 274static inline const char *
275dwarf_vmatoa (const char * fmtch, dwarf_vma value)
276{
277 return dwarf_vmatoa_1 (fmtch, value, 0);
278}
279
280/* Print a dwarf_vma value (typically an address, offset or length) in
281 hexadecimal format, followed by a space. The length of the VALUE (and
282 hence the precision displayed) is determined by the NUM_BYTES parameter. */
283
284static void
285print_dwarf_vma (dwarf_vma value, unsigned num_bytes)
286{
287 printf ("%s ", dwarf_vmatoa_1 (NULL, value, num_bytes));
47704ddf
KT		 288}
289
9f272209
AO		 290/* Print a view number in hexadecimal value, with the same width
291 print_dwarf_vma would have printed it with the same num_bytes.
292 Print blanks for zero view, unless force is nonzero. */
293
294static void
295print_dwarf_view (dwarf_vma value, unsigned num_bytes, int force)
296{
297 int len;
298 if (!num_bytes)
299 len = 4;
300 else
301 len = num_bytes * 2;
302
303 assert (value == (unsigned long) value);
304 if (value || force)
305 printf ("v%0*lx ", len - 1, (unsigned long) value);
306 else
307 printf ("%*s", len + 1, "");
308}
309
f6f0e17b
NC		 310/* Read in a LEB128 encoded value starting at address DATA.
311 If SIGN is true, return a signed LEB128 value.
312 If LENGTH_RETURN is not NULL, return in it the number of bytes read.
b9b204b3 313 If STATUS_RETURN is not NULL, return with bit 0 (LSB) set if the
cd30bcef
AM		 314 terminating byte was not found and with bit 1 set if the value
315 overflows a dwarf_vma.
f6f0e17b
NC		 316 No bytes will be read at address END or beyond. */
317
467c65bc 318dwarf_vma
f6f0e17b 319read_leb128 (unsigned char *data,
cd30bcef 320 const unsigned char *const end,
015dc7e1 321 bool sign,
cd30bcef
AM		 322 unsigned int *length_return,
323 int *status_return)
19e6b90e 324{
467c65bc 325 dwarf_vma result = 0;
19e6b90e
L		 326 unsigned int num_read = 0;
327 unsigned int shift = 0;
cd30bcef 328 int status = 1;
19e6b90e 329
f6f0e17b 330 while (data < end)
19e6b90e 331 {
cd30bcef 332 unsigned char byte = *data++;
b9b204b3 333 unsigned char lost, mask;
08d7da7d 334
19e6b90e
L		 335 num_read++;
336
b9b204b3 337 if (shift < CHAR_BIT * sizeof (result))
cd30bcef 338 {
b9b204b3
AM		 339 result |= ((dwarf_vma) (byte & 0x7f)) << shift;
340 /* These bits overflowed. */
341 lost = byte ^ (result >> shift);
342 /* And this is the mask of possible overflow bits. */
343 mask = 0x7f ^ ((dwarf_vma) 0x7f << shift >> shift);
cd30bcef
AM		 344 shift += 7;
345 }
b9b204b3 346 else
08d7da7d 347 {
b9b204b3
AM		 348 lost = byte;
349 mask = 0x7f;
08d7da7d 350 }
b9b204b3
AM		 351 if ((lost & mask) != (sign && (dwarf_signed_vma) result < 0 ? mask : 0))
352 status |= 2;
19e6b90e 353
b9b204b3 354 if ((byte & 0x80) == 0)
cd30bcef
AM		 355 {
356 status &= ~1;
b9b204b3 357 if (sign && shift < CHAR_BIT * sizeof (result) && (byte & 0x40))
cd30bcef
AM		 358 result |= -((dwarf_vma) 1 << shift);
359 break;
360 }
19e6b90e 361 }
19e6b90e
L		 362
363 if (length_return != NULL)
364 *length_return = num_read;
cd30bcef
AM		 365 if (status_return != NULL)
366 *status_return = status;
19e6b90e
L		 367
368 return result;
369}
370
6d1ad6f7
AM		 371/* Read AMOUNT bytes from PTR and store them in VAL.
372 Checks to make sure that the read will not reach or pass END.
373 FUNC chooses whether the value read is unsigned or signed, and may
374 be either byte_get or byte_get_signed. If INC is true, PTR is
375 incremented after reading the value.
376 This macro cannot protect against PTR values derived from user input.
377 The C standard sections 6.5.6 and 6.5.8 say attempts to do so using
378 pointers is undefined behaviour. */
379#define SAFE_BYTE_GET_INTERNAL(VAL, PTR, AMOUNT, END, FUNC, INC) \
380 do \
381 { \
382 size_t amount = (AMOUNT); \
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), \
6d1ad6f7
AM		 390 (int) amount, (int) sizeof (VAL)); \
391 amount = sizeof (VAL); \
392 } \
ebb17864
AM		 393 if (ENABLE_CHECKING) \
394 assert ((PTR) <= (END)); \
6d1ad6f7 395 size_t avail = (END) - (PTR); \
ebb17864
AM		 396 if ((PTR) > (END)) \
397 avail = 0; \
6d1ad6f7
AM		 398 if (amount > avail) \
399 amount = avail; \
400 if (amount == 0) \
401 (VAL) = 0; \
402 else \
403 (VAL) = (FUNC) ((PTR), amount); \
404 if (INC) \
405 (PTR) += amount; \
406 } \
0c588247
NC		 407 while (0)
408
6d1ad6f7
AM		 409#define SAFE_BYTE_GET(VAL, PTR, AMOUNT, END) \
410 SAFE_BYTE_GET_INTERNAL (VAL, PTR, AMOUNT, END, byte_get, false)
411
0c588247 412#define SAFE_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \
6d1ad6f7 413 SAFE_BYTE_GET_INTERNAL (VAL, PTR, AMOUNT, END, byte_get, true)
0c588247
NC		 414
415#define SAFE_SIGNED_BYTE_GET(VAL, PTR, AMOUNT, END) \
6d1ad6f7 416 SAFE_BYTE_GET_INTERNAL (VAL, PTR, AMOUNT, END, byte_get_signed, false)
0c588247
NC		 417
418#define SAFE_SIGNED_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \
6d1ad6f7 419 SAFE_BYTE_GET_INTERNAL (VAL, PTR, AMOUNT, END, byte_get_signed, true)
0c588247 420
19e6b90e
L		 421typedef struct State_Machine_Registers
422{
467c65bc 423 dwarf_vma address;
ba8826a8 424 unsigned int view;
19e6b90e
L		 425 unsigned int file;
426 unsigned int line;
427 unsigned int column;
428 int is_stmt;
429 int basic_block;
a233b20c
JJ		 430 unsigned char op_index;
431 unsigned char end_sequence;
ba8826a8
AO		 432 /* This variable hold the number of the last entry seen
433 in the File Table. */
19e6b90e
L		 434 unsigned int last_file_entry;
435} SMR;
436
437static SMR state_machine_regs;
438
439static void
440reset_state_machine (int is_stmt)
441{
442 state_machine_regs.address = 0;
ba8826a8 443 state_machine_regs.view = 0;
a233b20c 444 state_machine_regs.op_index = 0;
19e6b90e
L		 445 state_machine_regs.file = 1;
446 state_machine_regs.line = 1;
447 state_machine_regs.column = 0;
448 state_machine_regs.is_stmt = is_stmt;
449 state_machine_regs.basic_block = 0;
450 state_machine_regs.end_sequence = 0;
451 state_machine_regs.last_file_entry = 0;
452}
453
454/* Handled an extend line op.
455 Returns the number of bytes read. */
456
cd30bcef 457static size_t
f6f0e17b
NC		 458process_extended_line_op (unsigned char * data,
459 int is_stmt,
460 unsigned char * end)
19e6b90e
L		 461{
462 unsigned char op_code;
cd30bcef 463 size_t len, header_len;
19e6b90e 464 unsigned char *name;
143a3db0 465 unsigned char *orig_data = data;
cd30bcef 466 dwarf_vma adr, val;
19e6b90e 467
cd30bcef
AM		 468 READ_ULEB (len, data, end);
469 header_len = data - orig_data;
19e6b90e 470
55b26492 471 if (len == 0 || data >= end || len > (size_t) (end - data))
19e6b90e 472 {
f41e4712 473 warn (_("Badly formed extended line op encountered!\n"));
cd30bcef 474 return header_len;
19e6b90e
L		 475 }
476
19e6b90e
L		 477 op_code = *data++;
478
479 printf (_(" Extended opcode %d: "), op_code);
480
481 switch (op_code)
482 {
483 case DW_LNE_end_sequence:
484 printf (_("End of Sequence\n\n"));
485 reset_state_machine (is_stmt);
486 break;
487
488 case DW_LNE_set_address:
6937bb54 489 /* PR 17512: file: 002-100480-0.004. */
cd30bcef 490 if (len - 1 > 8)
77ef8654 491 {
cd30bcef
AM		 492 warn (_("Length (%lu) of DW_LNE_set_address op is too long\n"),
493 (unsigned long) len - 1);
77ef8654
NC		 494 adr = 0;
495 }
496 else
cd30bcef 497 SAFE_BYTE_GET (adr, data, len - 1, end);
47704ddf 498 printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr));
19e6b90e 499 state_machine_regs.address = adr;
ba8826a8 500 state_machine_regs.view = 0;
a233b20c 501 state_machine_regs.op_index = 0;
19e6b90e
L		 502 break;
503
504 case DW_LNE_define_file:
143a3db0 505 printf (_("define new File Table entry\n"));
19e6b90e 506 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
cc5914eb 507 printf (" %d\t", ++state_machine_regs.last_file_entry);
f6f0e17b 508
d949ff56
NC		 509 {
510 size_t l;
511
512 name = data;
513 l = strnlen ((char *) data, end - data);
a7077ce7
AM		 514 data += l;
515 if (data < end)
516 data++;
cd30bcef
AM		 517 READ_ULEB (val, data, end);
518 printf ("%s\t", dwarf_vmatoa ("u", val));
519 READ_ULEB (val, data, end);
520 printf ("%s\t", dwarf_vmatoa ("u", val));
521 READ_ULEB (val, data, end);
522 printf ("%s\t", dwarf_vmatoa ("u", val));
d949ff56
NC		 523 printf ("%.*s\n\n", (int) l, name);
524 }
f6f0e17b 525
55b26492 526 if (((size_t) (data - orig_data) != len + header_len) || data >= end)
b4eb7656 527 warn (_("DW_LNE_define_file: Bad opcode length\n"));
19e6b90e
L		 528 break;
529
ed4a4bdf 530 case DW_LNE_set_discriminator:
cd30bcef
AM		 531 READ_ULEB (val, data, end);
532 printf (_("set Discriminator to %s\n"), dwarf_vmatoa ("u", val));
ed4a4bdf
CC		 533 break;
534
e2a0d921
NC		 535 /* HP extensions. */
536 case DW_LNE_HP_negate_is_UV_update:
ed4a4bdf 537 printf ("DW_LNE_HP_negate_is_UV_update\n");
e2a0d921
NC		 538 break;
539 case DW_LNE_HP_push_context:
ed4a4bdf 540 printf ("DW_LNE_HP_push_context\n");
e2a0d921
NC		 541 break;
542 case DW_LNE_HP_pop_context:
ed4a4bdf 543 printf ("DW_LNE_HP_pop_context\n");
e2a0d921
NC		 544 break;
545 case DW_LNE_HP_set_file_line_column:
ed4a4bdf 546 printf ("DW_LNE_HP_set_file_line_column\n");
e2a0d921
NC		 547 break;
548 case DW_LNE_HP_set_routine_name:
ed4a4bdf 549 printf ("DW_LNE_HP_set_routine_name\n");
e2a0d921
NC		 550 break;
551 case DW_LNE_HP_set_sequence:
ed4a4bdf 552 printf ("DW_LNE_HP_set_sequence\n");
e2a0d921
NC		 553 break;
554 case DW_LNE_HP_negate_post_semantics:
ed4a4bdf 555 printf ("DW_LNE_HP_negate_post_semantics\n");
e2a0d921
NC		 556 break;
557 case DW_LNE_HP_negate_function_exit:
ed4a4bdf 558 printf ("DW_LNE_HP_negate_function_exit\n");
e2a0d921
NC		 559 break;
560 case DW_LNE_HP_negate_front_end_logical:
ed4a4bdf 561 printf ("DW_LNE_HP_negate_front_end_logical\n");
e2a0d921
NC		 562 break;
563 case DW_LNE_HP_define_proc:
ed4a4bdf 564 printf ("DW_LNE_HP_define_proc\n");
e2a0d921 565 break;
43294ab7
TG		 566 case DW_LNE_HP_source_file_correlation:
567 {
cd30bcef 568 unsigned char *edata = data + len - 1;
b4eb7656
AM		 569
570 printf ("DW_LNE_HP_source_file_correlation\n");
571
572 while (data < edata)
573 {
574 unsigned int opc;
575
cd30bcef 576 READ_ULEB (opc, data, edata);
b4eb7656
AM		 577
578 switch (opc)
579 {
580 case DW_LNE_HP_SFC_formfeed:
581 printf (" DW_LNE_HP_SFC_formfeed\n");
582 break;
583 case DW_LNE_HP_SFC_set_listing_line:
cd30bcef 584 READ_ULEB (val, data, edata);
b4eb7656 585 printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n",
cd30bcef 586 dwarf_vmatoa ("u", val));
b4eb7656
AM		 587 break;
588 case DW_LNE_HP_SFC_associate:
589 printf (" DW_LNE_HP_SFC_associate ");
cd30bcef
AM		 590 READ_ULEB (val, data, edata);
591 printf ("(%s", dwarf_vmatoa ("u", val));
592 READ_ULEB (val, data, edata);
593 printf (",%s", dwarf_vmatoa ("u", val));
594 READ_ULEB (val, data, edata);
595 printf (",%s)\n", dwarf_vmatoa ("u", val));
b4eb7656
AM		 596 break;
597 default:
598 printf (_(" UNKNOWN DW_LNE_HP_SFC opcode (%u)\n"), opc);
599 data = edata;
600 break;
601 }
602 }
43294ab7
TG		 603 }
604 break;
cecf136e 605
19e6b90e 606 default:
7e665af3 607 {
cd30bcef 608 unsigned int rlen = len - 1;
b4eb7656
AM		 609
610 if (op_code >= DW_LNE_lo_user
611 /* The test against DW_LNW_hi_user is redundant due to
612 the limited range of the unsigned char data type used
613 for op_code. */
614 /*&& op_code <= DW_LNE_hi_user*/)
615 printf (_("user defined: "));
616 else
617 printf (_("UNKNOWN: "));
618 printf (_("length %d ["), rlen);
619 for (; rlen; rlen--)
620 printf (" %02x", *data++);
621 printf ("]\n");
7e665af3 622 }
19e6b90e
L		 623 break;
624 }
625
cd30bcef 626 return len + header_len;
19e6b90e
L		 627}
628
0c588247 629static const unsigned char *
467c65bc 630fetch_indirect_string (dwarf_vma offset)
19e6b90e
L		 631{
632 struct dwarf_section *section = &debug_displays [str].section;
d949ff56 633 const unsigned char * ret;
19e6b90e
L		 634
635 if (section->start == NULL)
0c588247 636 return (const unsigned char *) _("<no .debug_str section>");
19e6b90e 637
d949ff56 638 if (offset >= section->size)
19e6b90e 639 {
d296b736 640 warn (_("DW_FORM_strp offset too big: 0x%s\n"),
467c65bc 641 dwarf_vmatoa ("x", offset));
0c588247 642 return (const unsigned char *) _("<offset is too big>");
19e6b90e
L		 643 }
644
d949ff56
NC		 645 ret = section->start + offset;
646 /* Unfortunately we cannot rely upon the .debug_str section ending with a
647 NUL byte. Since our caller is expecting to receive a well formed C
648 string we test for the lack of a terminating byte here. */
649 if (strnlen ((const char *) ret, section->size - offset)
650 == section->size - offset)
651 ret = (const unsigned char *)
652 _("<no NUL byte at end of .debug_str section>");
653
521d4b19 654 return ret;
19e6b90e
L		 655}
656
77145576
JK		 657static const unsigned char *
658fetch_indirect_line_string (dwarf_vma offset)
659{
660 struct dwarf_section *section = &debug_displays [line_str].section;
d949ff56 661 const unsigned char * ret;
77145576
JK		 662
663 if (section->start == NULL)
664 return (const unsigned char *) _("<no .debug_line_str section>");
665
d949ff56 666 if (offset >= section->size)
77145576 667 {
d296b736 668 warn (_("DW_FORM_line_strp offset too big: 0x%s\n"),
77145576
JK		 669 dwarf_vmatoa ("x", offset));
670 return (const unsigned char *) _("<offset is too big>");
671 }
672
d949ff56
NC		 673 ret = section->start + offset;
674 /* Unfortunately we cannot rely upon the .debug_line_str section ending
675 with a NUL byte. Since our caller is expecting to receive a well formed
676 C string we test for the lack of a terminating byte here. */
677 if (strnlen ((const char *) ret, section->size - offset)
678 == section->size - offset)
679 ret = (const unsigned char *)
680 _("<no NUL byte at end of .debug_line_str section>");
681
682 return ret;
77145576
JK		 683}
684
4723351a 685static const char *
341f9135 686fetch_indexed_string (dwarf_vma idx, struct cu_tu_set *this_set,
015dc7e1 687 dwarf_vma offset_size, bool dwo)
4723351a
CC		 688{
689 enum dwarf_section_display_enum str_sec_idx = dwo ? str_dwo : str;
690 enum dwarf_section_display_enum idx_sec_idx = dwo ? str_index_dwo : str_index;
691 struct dwarf_section *index_section = &debug_displays [idx_sec_idx].section;
692 struct dwarf_section *str_section = &debug_displays [str_sec_idx].section;
e4b7104b 693 dwarf_vma index_offset;
4723351a 694 dwarf_vma str_offset;
d949ff56 695 const char * ret;
e4b7104b 696 unsigned char *curr = index_section->start;
5ab39075 697 unsigned char *end = curr + index_section->size;
e4b7104b 698 dwarf_vma length;
4723351a
CC		 699
700 if (index_section->start == NULL)
701 return (dwo ? _("<no .debug_str_offsets.dwo section>")
702 : _("<no .debug_str_offsets section>"));
703
e4b7104b
NC		 704 if (str_section->start == NULL)
705 return (dwo ? _("<no .debug_str.dwo section>")
706 : _("<no .debug_str section>"));
707
708 /* FIXME: We should cache the length... */
709 SAFE_BYTE_GET_AND_INC (length, curr, 4, end);
710 if (length == 0xffffffff)
711 {
712 if (offset_size != 8)
39f381cb 713 warn (_("Expected offset size of 8 but given %s"), dwarf_vmatoa ("x", offset_size));
e4b7104b
NC		 714 SAFE_BYTE_GET_AND_INC (length, curr, 8, end);
715 }
716 else if (offset_size != 4)
717 {
39f381cb 718 warn (_("Expected offset size of 4 but given %s"), dwarf_vmatoa ("x", offset_size));
e4b7104b
NC		 719 }
720
39f381cb 721 if (length == 0)
e4b7104b 722 {
39f381cb
NC		 723 /* This is probably an old style .debug_str_offset section which
724 just contains offsets and no header (and the first offset is 0). */
725 curr = index_section->start;
726 length = index_section->size;
727 }
728 else
729 {
730 /* Skip the version and padding bytes.
731 We assume that they are correct. */
5ab39075
AM		 732 if (end - curr >= 4)
733 curr += 4;
734 else
735 curr = end;
736 if (length >= 4)
737 length -= 4;
738 else
739 length = 0;
740
741 if (this_set != NULL
742 && this_set->section_sizes[DW_SECT_STR_OFFSETS] < length)
743 length = this_set->section_sizes[DW_SECT_STR_OFFSETS];
39f381cb 744
5ab39075 745 if (length > (dwarf_vma) (end - curr))
39f381cb 746 {
5ab39075 747 warn (_("index table size too large for section %s vs %s\n"),
39f381cb
NC		 748 dwarf_vmatoa ("x", length),
749 dwarf_vmatoa ("x", index_section->size));
5ab39075
AM		 750 length = end - curr;
751 }
752
753 if (length < offset_size)
754 {
755 warn (_("index table size %s is too small\n"),
756 dwarf_vmatoa ("x", length));
39f381cb
NC		 757 return _("<table too small>");
758 }
e4b7104b
NC		 759 }
760
761 index_offset = idx * offset_size;
521d4b19 762
341f9135
CC		 763 if (this_set != NULL)
764 index_offset += this_set->section_offsets [DW_SECT_STR_OFFSETS];
e4b7104b 765
5ab39075
AM		 766 if (index_offset >= length
767 || length - index_offset < offset_size)
4723351a 768 {
d296b736 769 warn (_("DW_FORM_GNU_str_index offset too big: 0x%s vs 0x%s\n"),
e4b7104b
NC		 770 dwarf_vmatoa ("x", index_offset),
771 dwarf_vmatoa ("x", length));
4723351a
CC		 772 return _("<index offset is too big>");
773 }
774
e4b7104b 775 str_offset = byte_get (curr + index_offset, offset_size);
4723351a 776 str_offset -= str_section->address;
d949ff56 777 if (str_offset >= str_section->size)
4723351a 778 {
d296b736 779 warn (_("DW_FORM_GNU_str_index indirect offset too big: 0x%s\n"),
4723351a
CC		 780 dwarf_vmatoa ("x", str_offset));
781 return _("<indirect index offset is too big>");
782 }
783
d949ff56
NC		 784 ret = (const char *) str_section->start + str_offset;
785 /* Unfortunately we cannot rely upon str_section ending with a NUL byte.
786 Since our caller is expecting to receive a well formed C string we test
787 for the lack of a terminating byte here. */
788 if (strnlen (ret, str_section->size - str_offset)
789 == str_section->size - str_offset)
790 ret = (const char *) _("<no NUL byte at end of section>");
791
792 return ret;
4723351a
CC		 793}
794
795static const char *
796fetch_indexed_value (dwarf_vma offset, dwarf_vma bytes)
797{
798 struct dwarf_section *section = &debug_displays [debug_addr].section;
799
800 if (section->start == NULL)
801 return (_("<no .debug_addr section>"));
802
803 if (offset + bytes > section->size)
804 {
d296b736 805 warn (_("Offset into section %s too big: 0x%s\n"),
b4eb7656 806 section->name, dwarf_vmatoa ("x", offset));
4723351a
CC		 807 return "<offset too big>";
808 }
809
810 return dwarf_vmatoa ("x", byte_get (section->start + offset, bytes));
811}
812
813
19e6b90e
L		 814/* FIXME: There are better and more efficient ways to handle
815 these structures. For now though, I just want something that
816 is simple to implement. */
bcd213b2 817/* Records a single attribute in an abbrev. */
19e6b90e
L		 818typedef struct abbrev_attr
819{
bcd213b2
NC		 820 unsigned long attribute;
821 unsigned long form;
822 bfd_signed_vma implicit_const;
823 struct abbrev_attr * next;
19e6b90e
L		 824}
825abbrev_attr;
826
bcd213b2 827/* Records a single abbrev. */
19e6b90e
L		 828typedef struct abbrev_entry
829{
bcd213b2
NC		 830 unsigned long number;
831 unsigned long tag;
832 int children;
833 struct abbrev_attr * first_attr;
834 struct abbrev_attr * last_attr;
835 struct abbrev_entry * next;
19e6b90e
L		 836}
837abbrev_entry;
838
bcd213b2
NC		 839/* Records a set of abbreviations. */
840typedef struct abbrev_list
841{
842 abbrev_entry * first_abbrev;
843 abbrev_entry * last_abbrev;
76868f36 844 dwarf_vma abbrev_base;
bcd213b2
NC		 845 dwarf_vma abbrev_offset;
846 struct abbrev_list * next;
847 unsigned char * start_of_next_abbrevs;
848}
849abbrev_list;
850
851/* Records all the abbrevs found so far. */
852static struct abbrev_list * abbrev_lists = NULL;
853
854typedef struct abbrev_map
855{
856 dwarf_vma start;
857 dwarf_vma end;
858 abbrev_list * list;
859} abbrev_map;
860
861/* Maps between CU offsets and abbrev sets. */
862static abbrev_map * cu_abbrev_map = NULL;
863static unsigned long num_abbrev_map_entries = 0;
864static unsigned long next_free_abbrev_map_entry = 0;
865
866#define INITIAL_NUM_ABBREV_MAP_ENTRIES 8
867#define ABBREV_MAP_ENTRIES_INCREMENT 8
868
869static void
870record_abbrev_list_for_cu (dwarf_vma start, dwarf_vma end, abbrev_list * list)
871{
872 if (cu_abbrev_map == NULL)
873 {
874 num_abbrev_map_entries = INITIAL_NUM_ABBREV_MAP_ENTRIES;
875 cu_abbrev_map = xmalloc (num_abbrev_map_entries * sizeof (* cu_abbrev_map));
876 }
877 else if (next_free_abbrev_map_entry == num_abbrev_map_entries)
878 {
879 num_abbrev_map_entries += ABBREV_MAP_ENTRIES_INCREMENT;
880 cu_abbrev_map = xrealloc (cu_abbrev_map, num_abbrev_map_entries * sizeof (* cu_abbrev_map));
881 }
882
883 cu_abbrev_map[next_free_abbrev_map_entry].start = start;
884 cu_abbrev_map[next_free_abbrev_map_entry].end = end;
885 cu_abbrev_map[next_free_abbrev_map_entry].list = list;
886 next_free_abbrev_map_entry ++;
887}
19e6b90e
L		 888
889static void
bcd213b2 890free_all_abbrevs (void)
19e6b90e 891{
bcd213b2 892 abbrev_list * list;
19e6b90e 893
bcd213b2 894 for (list = abbrev_lists; list != NULL;)
19e6b90e 895 {
bcd213b2
NC		 896 abbrev_list * next = list->next;
897 abbrev_entry * abbrv;
19e6b90e 898
bcd213b2 899 for (abbrv = list->first_abbrev; abbrv != NULL;)
19e6b90e 900 {
bcd213b2
NC		 901 abbrev_entry * next_abbrev = abbrv->next;
902 abbrev_attr * attr;
903
904 for (attr = abbrv->first_attr; attr;)
905 {
906 abbrev_attr *next_attr = attr->next;
19e6b90e 907
bcd213b2
NC		 908 free (attr);
909 attr = next_attr;
910 }
911
912 free (abbrv);
913 abbrv = next_abbrev;
19e6b90e
L		 914 }
915
bcd213b2
NC		 916 free (list);
917 list = next;
19e6b90e
L		 918 }
919
bcd213b2
NC		 920 abbrev_lists = NULL;
921}
922
923static abbrev_list *
76868f36 924new_abbrev_list (dwarf_vma abbrev_base, dwarf_vma abbrev_offset)
bcd213b2
NC		 925{
926 abbrev_list * list = (abbrev_list *) xcalloc (sizeof * list, 1);
927
76868f36 928 list->abbrev_base = abbrev_base;
bcd213b2
NC		 929 list->abbrev_offset = abbrev_offset;
930
931 list->next = abbrev_lists;
932 abbrev_lists = list;
933
934 return list;
935}
936
937static abbrev_list *
76868f36
L		 938find_abbrev_list_by_abbrev_offset (dwarf_vma abbrev_base,
939 dwarf_vma abbrev_offset)
bcd213b2
NC		 940{
941 abbrev_list * list;
942
943 for (list = abbrev_lists; list != NULL; list = list->next)
76868f36
L		 944 if (list->abbrev_base == abbrev_base
945 && list->abbrev_offset == abbrev_offset)
bcd213b2
NC		 946 return list;
947
948 return NULL;
949}
950
951/* Find the abbreviation map for the CU that includes OFFSET.
952 OFFSET is an absolute offset from the start of the .debug_info section. */
953/* FIXME: This function is going to slow down readelf & objdump.
954 Consider using a better algorithm to mitigate this effect. */
955
956static abbrev_map *
957find_abbrev_map_by_offset (dwarf_vma offset)
958{
959 unsigned long i;
960
961 for (i = 0; i < next_free_abbrev_map_entry; i++)
962 if (cu_abbrev_map[i].start <= offset
963 && cu_abbrev_map[i].end > offset)
964 return cu_abbrev_map + i;
965
966 return NULL;
19e6b90e
L		 967}
968
969static void
bcd213b2
NC		 970add_abbrev (unsigned long number,
971 unsigned long tag,
972 int children,
973 abbrev_list * list)
19e6b90e 974{
bcd213b2 975 abbrev_entry * entry;
19e6b90e 976
bcd213b2 977 entry = (abbrev_entry *) xmalloc (sizeof (*entry));
19e6b90e 978
bcd213b2 979 entry->number = number;
19e6b90e
L		 980 entry->tag = tag;
981 entry->children = children;
982 entry->first_attr = NULL;
983 entry->last_attr = NULL;
984 entry->next = NULL;
985
bcd213b2
NC		 986 assert (list != NULL);
987
988 if (list->first_abbrev == NULL)
989 list->first_abbrev = entry;
19e6b90e 990 else
bcd213b2 991 list->last_abbrev->next = entry;
19e6b90e 992
bcd213b2 993 list->last_abbrev = entry;
19e6b90e
L		 994}
995
996static void
bcd213b2
NC		 997add_abbrev_attr (unsigned long attribute,
998 unsigned long form,
999 bfd_signed_vma implicit_const,
1000 abbrev_list * list)
19e6b90e
L		 1001{
1002 abbrev_attr *attr;
1003
bcd213b2 1004 attr = (abbrev_attr *) xmalloc (sizeof (*attr));
19e6b90e
L		 1005
1006 attr->attribute = attribute;
1007 attr->form = form;
77145576 1008 attr->implicit_const = implicit_const;
19e6b90e
L		 1009 attr->next = NULL;
1010
bcd213b2
NC		 1011 assert (list != NULL && list->last_abbrev != NULL);
1012
1013 if (list->last_abbrev->first_attr == NULL)
1014 list->last_abbrev->first_attr = attr;
19e6b90e 1015 else
bcd213b2 1016 list->last_abbrev->last_attr->next = attr;
19e6b90e 1017
bcd213b2 1018 list->last_abbrev->last_attr = attr;
19e6b90e
L		 1019}
1020
1021/* Processes the (partial) contents of a .debug_abbrev section.
1022 Returns NULL if the end of the section was encountered.
1023 Returns the address after the last byte read if the end of
1024 an abbreviation set was found. */
1025
1026static unsigned char *
f2f9554b
AM		 1027process_abbrev_set (struct dwarf_section *section,
1028 dwarf_vma abbrev_base,
1029 dwarf_vma abbrev_size,
1030 dwarf_vma abbrev_offset,
1031 abbrev_list *list)
19e6b90e 1032{
f2f9554b
AM		 1033 if (abbrev_base >= section->size
1034 || abbrev_size > section->size - abbrev_base)
1035 {
1036 /* PR 17531: file:4bcd9ce9. */
1037 warn (_("Debug info is corrupted, abbrev size (%lx) is larger than "
1038 "abbrev section size (%lx)\n"),
d30182b5 1039 (unsigned long) (abbrev_base + abbrev_size),
f2f9554b
AM		 1040 (unsigned long) section->size);
1041 return NULL;
1042 }
1043 if (abbrev_offset >= abbrev_size)
1044 {
1045 warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than "
1046 "abbrev section size (%lx)\n"),
1047 (unsigned long) abbrev_offset,
1048 (unsigned long) abbrev_size);
1049 return NULL;
1050 }
1051
1052 unsigned char *start = section->start + abbrev_base;
1053 unsigned char *end = start + abbrev_size;
1054 start += abbrev_offset;
19e6b90e
L		 1055 while (start < end)
1056 {
19e6b90e
L		 1057 unsigned long entry;
1058 unsigned long tag;
1059 unsigned long attribute;
1060 int children;
1061
cd30bcef 1062 READ_ULEB (entry, start, end);
19e6b90e 1063
bcd213b2 1064 /* A single zero is supposed to end the set according
19e6b90e
L		 1065 to the standard. If there's more, then signal that to
1066 the caller. */
f6f0e17b
NC		 1067 if (start == end)
1068 return NULL;
19e6b90e 1069 if (entry == 0)
f6f0e17b 1070 return start;
19e6b90e 1071
cd30bcef 1072 READ_ULEB (tag, start, end);
f6f0e17b
NC		 1073 if (start == end)
1074 return NULL;
19e6b90e
L		 1075
1076 children = *start++;
1077
bcd213b2 1078 add_abbrev (entry, tag, children, list);
19e6b90e
L		 1079
1080 do
1081 {
1082 unsigned long form;
77145576
JK		 1083 /* Initialize it due to a false compiler warning. */
1084 bfd_signed_vma implicit_const = -1;
19e6b90e 1085
cd30bcef 1086 READ_ULEB (attribute, start, end);
f6f0e17b
NC		 1087 if (start == end)
1088 break;
19e6b90e 1089
cd30bcef 1090 READ_ULEB (form, start, end);
f6f0e17b
NC		 1091 if (start == end)
1092 break;
19e6b90e 1093
77145576
JK		 1094 if (form == DW_FORM_implicit_const)
1095 {
cd30bcef 1096 READ_SLEB (implicit_const, start, end);
77145576
JK		 1097 if (start == end)
1098 break;
1099 }
1100
bcd213b2 1101 add_abbrev_attr (attribute, form, implicit_const, list);
19e6b90e
L		 1102 }
1103 while (attribute != 0);
1104 }
1105
399c99f7
L		 1106 /* Report the missing single zero which ends the section. */
1107 error (_(".debug_abbrev section not zero terminated\n"));
1108
19e6b90e
L		 1109 return NULL;
1110}
1111
a19c41a7 1112static const char *
19e6b90e
L		 1113get_TAG_name (unsigned long tag)
1114{
04914e37 1115 const char *name = get_DW_TAG_name ((unsigned int) tag);
a19c41a7
TT		 1116
1117 if (name == NULL)
19e6b90e 1118 {
a19c41a7 1119 static char buffer[100];
19e6b90e 1120
04914e37
NC		 1121 if (tag >= DW_TAG_lo_user && tag <= DW_TAG_hi_user)
1122 snprintf (buffer, sizeof (buffer), _("User TAG value: %#lx"), tag);
1123 else
1124 snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %#lx"), tag);
a19c41a7 1125 return buffer;
19e6b90e 1126 }
a19c41a7
TT		 1127
1128 return name;
19e6b90e
L		 1129}
1130
a19c41a7 1131static const char *
19e6b90e
L		 1132get_FORM_name (unsigned long form)
1133{
399c99f7 1134 const char *name;
bf5117e3 1135
399c99f7
L		 1136 if (form == 0)
1137 return "DW_FORM value: 0";
a19c41a7 1138
399c99f7 1139 name = get_DW_FORM_name (form);
a19c41a7 1140 if (name == NULL)
19e6b90e 1141 {
a19c41a7 1142 static char buffer[100];
19e6b90e 1143
a19c41a7
TT		 1144 snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form);
1145 return buffer;
19e6b90e 1146 }
a19c41a7
TT		 1147
1148 return name;
19e6b90e
L		 1149}
1150
61364358
JK		 1151static const char *
1152get_IDX_name (unsigned long idx)
1153{
1154 const char *name = get_DW_IDX_name ((unsigned int) idx);
1155
1156 if (name == NULL)
1157 {
1158 static char buffer[100];
1159
1160 snprintf (buffer, sizeof (buffer), _("Unknown IDX value: %lx"), idx);
1161 return buffer;
1162 }
1163
1164 return name;
1165}
1166
19e6b90e 1167static unsigned char *
0c588247
NC		 1168display_block (unsigned char *data,
1169 dwarf_vma length,
ef0b5f1c 1170 const unsigned char * const end, char delimiter)
19e6b90e 1171{
0c588247
NC		 1172 dwarf_vma maxlen;
1173
ef0b5f1c 1174 printf (_("%c%s byte block: "), delimiter, dwarf_vmatoa ("u", length));
a1165289
NC		 1175 if (data > end)
1176 return (unsigned char *) end;
19e6b90e 1177
0c588247
NC		 1178 maxlen = (dwarf_vma) (end - data);
1179 length = length > maxlen ? maxlen : length;
1180
19e6b90e
L		 1181 while (length --)
1182 printf ("%lx ", (unsigned long) byte_get (data++, 1));
1183
1184 return data;
1185}
1186
1187static int
1188decode_location_expression (unsigned char * data,
1189 unsigned int pointer_size,
b7807392
JJ		 1190 unsigned int offset_size,
1191 int dwarf_version,
467c65bc
NC		 1192 dwarf_vma length,
1193 dwarf_vma cu_offset,
f1c4cc75 1194 struct dwarf_section * section)
19e6b90e
L		 1195{
1196 unsigned op;
467c65bc 1197 dwarf_vma uvalue;
0c588247 1198 dwarf_signed_vma svalue;
19e6b90e
L		 1199 unsigned char *end = data + length;
1200 int need_frame_base = 0;
1201
1202 while (data < end)
1203 {
1204 op = *data++;
1205
1206 switch (op)
1207 {
1208 case DW_OP_addr:
0c588247
NC		 1209 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1210 printf ("DW_OP_addr: %s", dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 1211 break;
1212 case DW_OP_deref:
1213 printf ("DW_OP_deref");
1214 break;
1215 case DW_OP_const1u:
0c588247
NC		 1216 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1217 printf ("DW_OP_const1u: %lu", (unsigned long) uvalue);
19e6b90e
L		 1218 break;
1219 case DW_OP_const1s:
0c588247
NC		 1220 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 1, end);
1221 printf ("DW_OP_const1s: %ld", (long) svalue);
19e6b90e
L		 1222 break;
1223 case DW_OP_const2u:
87bc83b3 1224 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
0c588247 1225 printf ("DW_OP_const2u: %lu", (unsigned long) uvalue);
19e6b90e
L		 1226 break;
1227 case DW_OP_const2s:
0c588247
NC		 1228 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1229 printf ("DW_OP_const2s: %ld", (long) svalue);
19e6b90e
L		 1230 break;
1231 case DW_OP_const4u:
0c588247
NC		 1232 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1233 printf ("DW_OP_const4u: %lu", (unsigned long) uvalue);
19e6b90e
L		 1234 break;
1235 case DW_OP_const4s:
0c588247
NC		 1236 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1237 printf ("DW_OP_const4s: %ld", (long) svalue);
19e6b90e
L		 1238 break;
1239 case DW_OP_const8u:
0c588247
NC		 1240 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1241 printf ("DW_OP_const8u: %lu ", (unsigned long) uvalue);
1242 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1243 printf ("%lu", (unsigned long) uvalue);
19e6b90e
L		 1244 break;
1245 case DW_OP_const8s:
0c588247
NC		 1246 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1247 printf ("DW_OP_const8s: %ld ", (long) svalue);
1248 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1249 printf ("%ld", (long) svalue);
19e6b90e
L		 1250 break;
1251 case DW_OP_constu:
cd30bcef
AM		 1252 READ_ULEB (uvalue, data, end);
1253 printf ("DW_OP_constu: %s", dwarf_vmatoa ("u", uvalue));
19e6b90e
L		 1254 break;
1255 case DW_OP_consts:
cd30bcef
AM		 1256 READ_SLEB (svalue, data, end);
1257 printf ("DW_OP_consts: %s", dwarf_vmatoa ("d", svalue));
19e6b90e
L		 1258 break;
1259 case DW_OP_dup:
1260 printf ("DW_OP_dup");
1261 break;
1262 case DW_OP_drop:
1263 printf ("DW_OP_drop");
1264 break;
1265 case DW_OP_over:
1266 printf ("DW_OP_over");
1267 break;
1268 case DW_OP_pick:
0c588247
NC		 1269 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1270 printf ("DW_OP_pick: %ld", (unsigned long) uvalue);
19e6b90e
L		 1271 break;
1272 case DW_OP_swap:
1273 printf ("DW_OP_swap");
1274 break;
1275 case DW_OP_rot:
1276 printf ("DW_OP_rot");
1277 break;
1278 case DW_OP_xderef:
1279 printf ("DW_OP_xderef");
1280 break;
1281 case DW_OP_abs:
1282 printf ("DW_OP_abs");
1283 break;
1284 case DW_OP_and:
1285 printf ("DW_OP_and");
1286 break;
1287 case DW_OP_div:
1288 printf ("DW_OP_div");
1289 break;
1290 case DW_OP_minus:
1291 printf ("DW_OP_minus");
1292 break;
1293 case DW_OP_mod:
1294 printf ("DW_OP_mod");
1295 break;
1296 case DW_OP_mul:
1297 printf ("DW_OP_mul");
1298 break;
1299 case DW_OP_neg:
1300 printf ("DW_OP_neg");
1301 break;
1302 case DW_OP_not:
1303 printf ("DW_OP_not");
1304 break;
1305 case DW_OP_or:
1306 printf ("DW_OP_or");
1307 break;
1308 case DW_OP_plus:
1309 printf ("DW_OP_plus");
1310 break;
1311 case DW_OP_plus_uconst:
cd30bcef
AM		 1312 READ_ULEB (uvalue, data, end);
1313 printf ("DW_OP_plus_uconst: %s", dwarf_vmatoa ("u", uvalue));
19e6b90e
L		 1314 break;
1315 case DW_OP_shl:
1316 printf ("DW_OP_shl");
1317 break;
1318 case DW_OP_shr:
1319 printf ("DW_OP_shr");
1320 break;
1321 case DW_OP_shra:
1322 printf ("DW_OP_shra");
1323 break;
1324 case DW_OP_xor:
1325 printf ("DW_OP_xor");
1326 break;
1327 case DW_OP_bra:
0c588247
NC		 1328 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1329 printf ("DW_OP_bra: %ld", (long) svalue);
19e6b90e
L		 1330 break;
1331 case DW_OP_eq:
1332 printf ("DW_OP_eq");
1333 break;
1334 case DW_OP_ge:
1335 printf ("DW_OP_ge");
1336 break;
1337 case DW_OP_gt:
1338 printf ("DW_OP_gt");
1339 break;
1340 case DW_OP_le:
1341 printf ("DW_OP_le");
1342 break;
1343 case DW_OP_lt:
1344 printf ("DW_OP_lt");
1345 break;
1346 case DW_OP_ne:
1347 printf ("DW_OP_ne");
1348 break;
1349 case DW_OP_skip:
0c588247
NC		 1350 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1351 printf ("DW_OP_skip: %ld", (long) svalue);
19e6b90e
L		 1352 break;
1353
1354 case DW_OP_lit0:
1355 case DW_OP_lit1:
1356 case DW_OP_lit2:
1357 case DW_OP_lit3:
1358 case DW_OP_lit4:
1359 case DW_OP_lit5:
1360 case DW_OP_lit6:
1361 case DW_OP_lit7:
1362 case DW_OP_lit8:
1363 case DW_OP_lit9:
1364 case DW_OP_lit10:
1365 case DW_OP_lit11:
1366 case DW_OP_lit12:
1367 case DW_OP_lit13:
1368 case DW_OP_lit14:
1369 case DW_OP_lit15:
1370 case DW_OP_lit16:
1371 case DW_OP_lit17:
1372 case DW_OP_lit18:
1373 case DW_OP_lit19:
1374 case DW_OP_lit20:
1375 case DW_OP_lit21:
1376 case DW_OP_lit22:
1377 case DW_OP_lit23:
1378 case DW_OP_lit24:
1379 case DW_OP_lit25:
1380 case DW_OP_lit26:
1381 case DW_OP_lit27:
1382 case DW_OP_lit28:
1383 case DW_OP_lit29:
1384 case DW_OP_lit30:
1385 case DW_OP_lit31:
1386 printf ("DW_OP_lit%d", op - DW_OP_lit0);
1387 break;
1388
1389 case DW_OP_reg0:
1390 case DW_OP_reg1:
1391 case DW_OP_reg2:
1392 case DW_OP_reg3:
1393 case DW_OP_reg4:
1394 case DW_OP_reg5:
1395 case DW_OP_reg6:
1396 case DW_OP_reg7:
1397 case DW_OP_reg8:
1398 case DW_OP_reg9:
1399 case DW_OP_reg10:
1400 case DW_OP_reg11:
1401 case DW_OP_reg12:
1402 case DW_OP_reg13:
1403 case DW_OP_reg14:
1404 case DW_OP_reg15:
1405 case DW_OP_reg16:
1406 case DW_OP_reg17:
1407 case DW_OP_reg18:
1408 case DW_OP_reg19:
1409 case DW_OP_reg20:
1410 case DW_OP_reg21:
1411 case DW_OP_reg22:
1412 case DW_OP_reg23:
1413 case DW_OP_reg24:
1414 case DW_OP_reg25:
1415 case DW_OP_reg26:
1416 case DW_OP_reg27:
1417 case DW_OP_reg28:
1418 case DW_OP_reg29:
1419 case DW_OP_reg30:
1420 case DW_OP_reg31:
18464d4d
JK		 1421 printf ("DW_OP_reg%d (%s)", op - DW_OP_reg0,
1422 regname (op - DW_OP_reg0, 1));
19e6b90e
L		 1423 break;
1424
1425 case DW_OP_breg0:
1426 case DW_OP_breg1:
1427 case DW_OP_breg2:
1428 case DW_OP_breg3:
1429 case DW_OP_breg4:
1430 case DW_OP_breg5:
1431 case DW_OP_breg6:
1432 case DW_OP_breg7:
1433 case DW_OP_breg8:
1434 case DW_OP_breg9:
1435 case DW_OP_breg10:
1436 case DW_OP_breg11:
1437 case DW_OP_breg12:
1438 case DW_OP_breg13:
1439 case DW_OP_breg14:
1440 case DW_OP_breg15:
1441 case DW_OP_breg16:
1442 case DW_OP_breg17:
1443 case DW_OP_breg18:
1444 case DW_OP_breg19:
1445 case DW_OP_breg20:
1446 case DW_OP_breg21:
1447 case DW_OP_breg22:
1448 case DW_OP_breg23:
1449 case DW_OP_breg24:
1450 case DW_OP_breg25:
1451 case DW_OP_breg26:
1452 case DW_OP_breg27:
1453 case DW_OP_breg28:
1454 case DW_OP_breg29:
1455 case DW_OP_breg30:
1456 case DW_OP_breg31:
cd30bcef
AM		 1457 READ_SLEB (svalue, data, end);
1458 printf ("DW_OP_breg%d (%s): %s", op - DW_OP_breg0,
1459 regname (op - DW_OP_breg0, 1), dwarf_vmatoa ("d", svalue));
19e6b90e
L		 1460 break;
1461
1462 case DW_OP_regx:
cd30bcef 1463 READ_ULEB (uvalue, data, end);
467c65bc
NC		 1464 printf ("DW_OP_regx: %s (%s)",
1465 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
19e6b90e
L		 1466 break;
1467 case DW_OP_fbreg:
1468 need_frame_base = 1;
cd30bcef
AM		 1469 READ_SLEB (svalue, data, end);
1470 printf ("DW_OP_fbreg: %s", dwarf_vmatoa ("d", svalue));
19e6b90e
L		 1471 break;
1472 case DW_OP_bregx:
cd30bcef
AM		 1473 READ_ULEB (uvalue, data, end);
1474 READ_SLEB (svalue, data, end);
467c65bc
NC		 1475 printf ("DW_OP_bregx: %s (%s) %s",
1476 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1),
cd30bcef 1477 dwarf_vmatoa ("d", svalue));
19e6b90e
L		 1478 break;
1479 case DW_OP_piece:
cd30bcef
AM		 1480 READ_ULEB (uvalue, data, end);
1481 printf ("DW_OP_piece: %s", dwarf_vmatoa ("u", uvalue));
19e6b90e
L		 1482 break;
1483 case DW_OP_deref_size:
0c588247
NC		 1484 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1485 printf ("DW_OP_deref_size: %ld", (long) uvalue);
19e6b90e
L		 1486 break;
1487 case DW_OP_xderef_size:
0c588247
NC		 1488 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1489 printf ("DW_OP_xderef_size: %ld", (long) uvalue);
19e6b90e
L		 1490 break;
1491 case DW_OP_nop:
1492 printf ("DW_OP_nop");
1493 break;
1494
1495 /* DWARF 3 extensions. */
1496 case DW_OP_push_object_address:
1497 printf ("DW_OP_push_object_address");
1498 break;
1499 case DW_OP_call2:
d85bf2ba 1500 /* FIXME: Strictly speaking for 64-bit DWARF3 files
19e6b90e 1501 this ought to be an 8-byte wide computation. */
0c588247 1502 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
467c65bc 1503 printf ("DW_OP_call2: <0x%s>",
0c588247 1504 dwarf_vmatoa ("x", svalue + cu_offset));
19e6b90e
L		 1505 break;
1506 case DW_OP_call4:
d85bf2ba 1507 /* FIXME: Strictly speaking for 64-bit DWARF3 files
19e6b90e 1508 this ought to be an 8-byte wide computation. */
0c588247 1509 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
467c65bc 1510 printf ("DW_OP_call4: <0x%s>",
0c588247 1511 dwarf_vmatoa ("x", svalue + cu_offset));
19e6b90e
L		 1512 break;
1513 case DW_OP_call_ref:
d85bf2ba 1514 /* FIXME: Strictly speaking for 64-bit DWARF3 files
e2a0d921 1515 this ought to be an 8-byte wide computation. */
b7807392
JJ		 1516 if (dwarf_version == -1)
1517 {
1518 printf (_("(DW_OP_call_ref in frame info)"));
1519 /* No way to tell where the next op is, so just bail. */
1520 return need_frame_base;
1521 }
1522 if (dwarf_version == 2)
1523 {
0c588247 1524 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
b7807392
JJ		 1525 }
1526 else
1527 {
0c588247 1528 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
b7807392 1529 }
0c588247 1530 printf ("DW_OP_call_ref: <0x%s>", dwarf_vmatoa ("x", uvalue));
19e6b90e 1531 break;
a87b0a59
NS		 1532 case DW_OP_form_tls_address:
1533 printf ("DW_OP_form_tls_address");
1534 break;
e2a0d921
NC		 1535 case DW_OP_call_frame_cfa:
1536 printf ("DW_OP_call_frame_cfa");
1537 break;
1538 case DW_OP_bit_piece:
1539 printf ("DW_OP_bit_piece: ");
cd30bcef
AM		 1540 READ_ULEB (uvalue, data, end);
1541 printf (_("size: %s "), dwarf_vmatoa ("u", uvalue));
1542 READ_ULEB (uvalue, data, end);
1543 printf (_("offset: %s "), dwarf_vmatoa ("u", uvalue));
e2a0d921 1544 break;
19e6b90e 1545
3244e8f5
JJ		 1546 /* DWARF 4 extensions. */
1547 case DW_OP_stack_value:
1548 printf ("DW_OP_stack_value");
1549 break;
1550
1551 case DW_OP_implicit_value:
1552 printf ("DW_OP_implicit_value");
cd30bcef 1553 READ_ULEB (uvalue, data, end);
ef0b5f1c 1554 data = display_block (data, uvalue, end, ' ');
3244e8f5
JJ		 1555 break;
1556
19e6b90e
L		 1557 /* GNU extensions. */
1558 case DW_OP_GNU_push_tls_address:
9cf03b7e 1559 printf (_("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown"));
e2a0d921
NC		 1560 break;
1561 case DW_OP_GNU_uninit:
1562 printf ("DW_OP_GNU_uninit");
1563 /* FIXME: Is there data associated with this OP ? */
1564 break;
f1c4cc75
RH		 1565 case DW_OP_GNU_encoded_addr:
1566 {
6937bb54 1567 int encoding = 0;
f1c4cc75 1568 dwarf_vma addr;
467c65bc 1569
6937bb54
NC		 1570 if (data < end)
1571 encoding = *data++;
041830e0 1572 addr = get_encoded_value (&data, encoding, section, end);
f1c4cc75
RH		 1573
1574 printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding);
1575 print_dwarf_vma (addr, pointer_size);
1576 }
1577 break;
bc0a77d2 1578 case DW_OP_implicit_pointer:
b7807392 1579 case DW_OP_GNU_implicit_pointer:
d85bf2ba 1580 /* FIXME: Strictly speaking for 64-bit DWARF3 files
b7807392
JJ		 1581 this ought to be an 8-byte wide computation. */
1582 if (dwarf_version == -1)
1583 {
bc0a77d2
JK		 1584 printf (_("(%s in frame info)"),
1585 (op == DW_OP_implicit_pointer
1586 ? "DW_OP_implicit_pointer"
1587 : "DW_OP_GNU_implicit_pointer"));
b7807392
JJ		 1588 /* No way to tell where the next op is, so just bail. */
1589 return need_frame_base;
1590 }
1591 if (dwarf_version == 2)
1592 {
0c588247 1593 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
b7807392
JJ		 1594 }
1595 else
1596 {
0c588247 1597 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
b7807392 1598 }
cd30bcef 1599 READ_SLEB (svalue, data, end);
bc0a77d2
JK		 1600 printf ("%s: <0x%s> %s",
1601 (op == DW_OP_implicit_pointer
1602 ? "DW_OP_implicit_pointer" : "DW_OP_GNU_implicit_pointer"),
0c588247 1603 dwarf_vmatoa ("x", uvalue),
cd30bcef 1604 dwarf_vmatoa ("d", svalue));
b7807392 1605 break;
77145576 1606 case DW_OP_entry_value:
0892011d 1607 case DW_OP_GNU_entry_value:
cd30bcef 1608 READ_ULEB (uvalue, data, end);
058037d3
NC		 1609 /* PR 17531: file: 0cc9cd00. */
1610 if (uvalue > (dwarf_vma) (end - data))
1611 uvalue = end - data;
77145576
JK		 1612 printf ("%s: (", (op == DW_OP_entry_value ? "DW_OP_entry_value"
1613 : "DW_OP_GNU_entry_value"));
0892011d
JJ		 1614 if (decode_location_expression (data, pointer_size, offset_size,
1615 dwarf_version, uvalue,
1616 cu_offset, section))
1617 need_frame_base = 1;
1618 putchar (')');
1619 data += uvalue;
1620 break;
bc0a77d2 1621 case DW_OP_const_type:
0892011d 1622 case DW_OP_GNU_const_type:
cd30bcef 1623 READ_ULEB (uvalue, data, end);
bc0a77d2
JK		 1624 printf ("%s: <0x%s> ",
1625 (op == DW_OP_const_type ? "DW_OP_const_type"
1626 : "DW_OP_GNU_const_type"),
0892011d 1627 dwarf_vmatoa ("x", cu_offset + uvalue));
0c588247 1628 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
ef0b5f1c 1629 data = display_block (data, uvalue, end, ' ');
0892011d 1630 break;
bc0a77d2 1631 case DW_OP_regval_type:
0892011d 1632 case DW_OP_GNU_regval_type:
cd30bcef 1633 READ_ULEB (uvalue, data, end);
bc0a77d2
JK		 1634 printf ("%s: %s (%s)",
1635 (op == DW_OP_regval_type ? "DW_OP_regval_type"
1636 : "DW_OP_GNU_regval_type"),
0892011d 1637 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
cd30bcef 1638 READ_ULEB (uvalue, data, end);
0892011d
JJ		 1639 printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
1640 break;
bc0a77d2 1641 case DW_OP_deref_type:
0892011d 1642 case DW_OP_GNU_deref_type:
0c588247 1643 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
bc0a77d2
JK		 1644 printf ("%s: %ld",
1645 (op == DW_OP_deref_type ? "DW_OP_deref_type"
1646 : "DW_OP_GNU_deref_type"),
1647 (long) uvalue);
cd30bcef 1648 READ_ULEB (uvalue, data, end);
0892011d
JJ		 1649 printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
1650 break;
bc0a77d2 1651 case DW_OP_convert:
0892011d 1652 case DW_OP_GNU_convert:
cd30bcef 1653 READ_ULEB (uvalue, data, end);
bc0a77d2
JK		 1654 printf ("%s <0x%s>",
1655 (op == DW_OP_convert ? "DW_OP_convert" : "DW_OP_GNU_convert"),
f8b999f9 1656 dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
0892011d 1657 break;
bc0a77d2 1658 case DW_OP_reinterpret:
0892011d 1659 case DW_OP_GNU_reinterpret:
cd30bcef 1660 READ_ULEB (uvalue, data, end);
bc0a77d2
JK		 1661 printf ("%s <0x%s>",
1662 (op == DW_OP_reinterpret ? "DW_OP_reinterpret"
1663 : "DW_OP_GNU_reinterpret"),
f8b999f9
JJ		 1664 dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
1665 break;
1666 case DW_OP_GNU_parameter_ref:
0c588247 1667 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
f8b999f9 1668 printf ("DW_OP_GNU_parameter_ref: <0x%s>",
0c588247 1669 dwarf_vmatoa ("x", cu_offset + uvalue));
0892011d 1670 break;
b4eb7656 1671 case DW_OP_GNU_addr_index:
cd30bcef 1672 READ_ULEB (uvalue, data, end);
b4eb7656
AM		 1673 printf ("DW_OP_GNU_addr_index <0x%s>", dwarf_vmatoa ("x", uvalue));
1674 break;
1675 case DW_OP_GNU_const_index:
cd30bcef 1676 READ_ULEB (uvalue, data, end);
b4eb7656
AM		 1677 printf ("DW_OP_GNU_const_index <0x%s>", dwarf_vmatoa ("x", uvalue));
1678 break;
f384a1f0
KB		 1679 case DW_OP_GNU_variable_value:
1680 /* FIXME: Strictly speaking for 64-bit DWARF3 files
1681 this ought to be an 8-byte wide computation. */
1682 if (dwarf_version == -1)
1683 {
1684 printf (_("(DW_OP_GNU_variable_value in frame info)"));
1685 /* No way to tell where the next op is, so just bail. */
1686 return need_frame_base;
1687 }
1688 if (dwarf_version == 2)
1689 {
1690 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1691 }
1692 else
1693 {
1694 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1695 }
1696 printf ("DW_OP_GNU_variable_value: <0x%s>", dwarf_vmatoa ("x", uvalue));
1697 break;
e2a0d921
NC		 1698
1699 /* HP extensions. */
1700 case DW_OP_HP_is_value:
1701 printf ("DW_OP_HP_is_value");
1702 /* FIXME: Is there data associated with this OP ? */
1703 break;
1704 case DW_OP_HP_fltconst4:
1705 printf ("DW_OP_HP_fltconst4");
1706 /* FIXME: Is there data associated with this OP ? */
1707 break;
1708 case DW_OP_HP_fltconst8:
1709 printf ("DW_OP_HP_fltconst8");
1710 /* FIXME: Is there data associated with this OP ? */
1711 break;
1712 case DW_OP_HP_mod_range:
1713 printf ("DW_OP_HP_mod_range");
1714 /* FIXME: Is there data associated with this OP ? */
1715 break;
1716 case DW_OP_HP_unmod_range:
1717 printf ("DW_OP_HP_unmod_range");
1718 /* FIXME: Is there data associated with this OP ? */
1719 break;
1720 case DW_OP_HP_tls:
1721 printf ("DW_OP_HP_tls");
1722 /* FIXME: Is there data associated with this OP ? */
19e6b90e
L		 1723 break;
1724
35d60fe4
NC		 1725 /* PGI (STMicroelectronics) extensions. */
1726 case DW_OP_PGI_omp_thread_num:
1727 /* Pushes the thread number for the current thread as it would be
1728 returned by the standard OpenMP library function:
1729 omp_get_thread_num(). The "current thread" is the thread for
1730 which the expression is being evaluated. */
1731 printf ("DW_OP_PGI_omp_thread_num");
1732 break;
1733
19e6b90e
L		 1734 default:
1735 if (op >= DW_OP_lo_user
1736 && op <= DW_OP_hi_user)
0502a2b4 1737 printf (_("(User defined location op 0x%x)"), op);
19e6b90e 1738 else
0502a2b4 1739 printf (_("(Unknown location op 0x%x)"), op);
19e6b90e
L		 1740 /* No way to tell where the next op is, so just bail. */
1741 return need_frame_base;
1742 }
1743
1744 /* Separate the ops. */
1745 if (data < end)
1746 printf ("; ");
1747 }
1748
1749 return need_frame_base;
1750}
1751
341f9135
CC		 1752/* Find the CU or TU set corresponding to the given CU_OFFSET.
1753 This is used for DWARF package files. */
1754
1755static struct cu_tu_set *
1756find_cu_tu_set_v2 (dwarf_vma cu_offset, int do_types)
1757{
1758 struct cu_tu_set *p;
1759 unsigned int nsets;
1760 unsigned int dw_sect;
1761
1762 if (do_types)
1763 {
1764 p = tu_sets;
1765 nsets = tu_count;
1766 dw_sect = DW_SECT_TYPES;
1767 }
1768 else
1769 {
1770 p = cu_sets;
1771 nsets = cu_count;
1772 dw_sect = DW_SECT_INFO;
1773 }
1774 while (nsets > 0)
1775 {
1776 if (p->section_offsets [dw_sect] == cu_offset)
1777 return p;
1778 p++;
1779 nsets--;
1780 }
1781 return NULL;
1782}
1783
dda8d76d
NC		 1784static const char *
1785fetch_alt_indirect_string (dwarf_vma offset)
1786{
24841daa 1787 separate_info * i;
dda8d76d
NC		 1788
1789 if (! do_follow_links)
1790 return "";
1791
24841daa
NC		 1792 if (first_separate_info == NULL)
1793 return _("<no links available>");
dda8d76d 1794
24841daa
NC		 1795 for (i = first_separate_info; i != NULL; i = i->next)
1796 {
1797 struct dwarf_section * section;
1798 const char * ret;
dda8d76d 1799
24841daa
NC		 1800 if (! load_debug_section (separate_debug_str, i->handle))
1801 continue;
dda8d76d 1802
24841daa 1803 section = &debug_displays [separate_debug_str].section;
dda8d76d 1804
24841daa
NC		 1805 if (section->start == NULL)
1806 continue;
dda8d76d 1807
24841daa
NC		 1808 if (offset >= section->size)
1809 continue;
1810
1811 ret = (const char *) (section->start + offset);
1812 /* Unfortunately we cannot rely upon the .debug_str section ending with a
1813 NUL byte. Since our caller is expecting to receive a well formed C
1814 string we test for the lack of a terminating byte here. */
1815 if (strnlen ((const char *) ret, section->size - offset)
1816 == section->size - offset)
1817 return _("<no NUL byte at end of alt .debug_str section>");
1818
1819 return ret;
1820 }
521d4b19 1821
24841daa
NC		 1822 warn (_("DW_FORM_GNU_strp_alt offset (%s) too big or no string sections available\n"),
1823 dwarf_vmatoa ("x", offset));
1824 return _("<offset is too big>");
dda8d76d
NC		 1825}
1826
d85bf2ba
NC		 1827static const char *
1828get_AT_name (unsigned long attribute)
1829{
1830 const char *name;
1831
1832 if (attribute == 0)
1833 return "DW_AT value: 0";
1834
1835 /* One value is shared by the MIPS and HP extensions: */
1836 if (attribute == DW_AT_MIPS_fde)
1837 return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable";
1838
1839 name = get_DW_AT_name (attribute);
1840
1841 if (name == NULL)
1842 {
1843 static char buffer[100];
1844
1845 snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"),
1846 attribute);
1847 return buffer;
1848 }
1849
1850 return name;
1851}
1852
24841daa 1853static void
50ea0877 1854add_dwo_info (const char * value, dwarf_vma cu_offset, dwo_type type)
24841daa
NC		 1855{
1856 dwo_info * dwinfo = xmalloc (sizeof * dwinfo);
1857
50ea0877
NC		 1858 dwinfo->type = type;
1859 dwinfo->value = value;
1860 dwinfo->cu_offset = cu_offset;
1861 dwinfo->next = first_dwo_info;
24841daa
NC		 1862 first_dwo_info = dwinfo;
1863}
1864
1865static void
50ea0877 1866add_dwo_name (const char * name, dwarf_vma cu_offset)
24841daa 1867{
50ea0877 1868 add_dwo_info (name, cu_offset, DWO_NAME);
24841daa
NC		 1869}
1870
1871static void
50ea0877 1872add_dwo_dir (const char * dir, dwarf_vma cu_offset)
24841daa 1873{
50ea0877 1874 add_dwo_info (dir, cu_offset, DWO_DIR);
24841daa
NC		 1875}
1876
1877static void
50ea0877 1878add_dwo_id (const char * id, dwarf_vma cu_offset)
24841daa 1879{
50ea0877 1880 add_dwo_info (id, cu_offset, DWO_ID);
24841daa
NC		 1881}
1882
1883static void
1884free_dwo_info (void)
1885{
1886 dwo_info * dwinfo;
1887 dwo_info * next;
1888
1889 for (dwinfo = first_dwo_info; dwinfo != NULL; dwinfo = next)
1890 {
1891 next = dwinfo->next;
1892 free (dwinfo);
1893 }
1894 first_dwo_info = NULL;
1895}
1896
afc72f15
NC		 1897/* Ensure that START + UVALUE is less than END.
1898 Return an adjusted UVALUE if necessary to ensure this relationship. */
1899
1900static inline dwarf_vma
1901check_uvalue (const unsigned char * start,
1902 dwarf_vma uvalue,
1903 const unsigned char * end)
1904{
1905 dwarf_vma max_uvalue = end - start;
1906
afc72f15
NC		 1907 /* See PR 17512: file: 008-103549-0.001:0.1.
1908 and PR 24829 for examples of where these tests are triggered. */
a85eba51 1909 if (uvalue > max_uvalue)
afc72f15
NC		 1910 {
1911 warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
1912 uvalue = max_uvalue;
1913 }
1914
1915 return uvalue;
1916}
1917
ec1b0fbb 1918static unsigned char *
a7077ce7
AM		 1919skip_attr_bytes (unsigned long form,
1920 unsigned char *data,
1921 unsigned char *end,
1922 dwarf_vma pointer_size,
1923 dwarf_vma offset_size,
1924 int dwarf_version,
1925 dwarf_vma *value_return)
ec1b0fbb 1926{
cd30bcef
AM		 1927 dwarf_signed_vma svalue;
1928 dwarf_vma uvalue = 0;
a7077ce7 1929 dwarf_vma inc = 0;
ec1b0fbb
NC		 1930
1931 * value_return = 0;
1932
1933 switch (form)
1934 {
1935 case DW_FORM_ref_addr:
1936 if (dwarf_version == 2)
1937 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
59624513 1938 else if (dwarf_version > 2)
ec1b0fbb
NC		 1939 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1940 else
1941 return NULL;
1942 break;
1943
1944 case DW_FORM_addr:
1945 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1946 break;
1947
1948 case DW_FORM_strp:
1949 case DW_FORM_line_strp:
1950 case DW_FORM_sec_offset:
1951 case DW_FORM_GNU_ref_alt:
1952 case DW_FORM_GNU_strp_alt:
1953 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1954 break;
1955
1956 case DW_FORM_flag_present:
1957 uvalue = 1;
1958 break;
1959
1960 case DW_FORM_ref1:
1961 case DW_FORM_flag:
1962 case DW_FORM_data1:
32e4f96c
TV		 1963 case DW_FORM_strx1:
1964 case DW_FORM_addrx1:
ec1b0fbb
NC		 1965 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1966 break;
1967
32e4f96c
TV		 1968 case DW_FORM_strx3:
1969 case DW_FORM_addrx3:
1970 SAFE_BYTE_GET_AND_INC (uvalue, data, 3, end);
1971 break;
1972
ec1b0fbb
NC		 1973 case DW_FORM_ref2:
1974 case DW_FORM_data2:
32e4f96c
TV		 1975 case DW_FORM_strx2:
1976 case DW_FORM_addrx2:
ec1b0fbb
NC		 1977 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
1978 break;
1979
1980 case DW_FORM_ref4:
1981 case DW_FORM_data4:
32e4f96c
TV		 1982 case DW_FORM_strx4:
1983 case DW_FORM_addrx4:
ec1b0fbb
NC		 1984 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1985 break;
1986
1987 case DW_FORM_sdata:
cd30bcef
AM		 1988 READ_SLEB (svalue, data, end);
1989 uvalue = svalue;
ec1b0fbb
NC		 1990 break;
1991
1992 case DW_FORM_ref_udata:
1993 case DW_FORM_udata:
1994 case DW_FORM_GNU_str_index:
32e4f96c 1995 case DW_FORM_strx:
ec1b0fbb 1996 case DW_FORM_GNU_addr_index:
32e4f96c 1997 case DW_FORM_addrx:
cd30bcef 1998 READ_ULEB (uvalue, data, end);
ec1b0fbb
NC		 1999 break;
2000
2001 case DW_FORM_ref8:
af2ddf69
AM		 2002 SAFE_BYTE_GET_AND_INC (uvalue, data, 8, end);
2003 break;
1f573141 2004
ec1b0fbb 2005 case DW_FORM_data8:
59624513 2006 case DW_FORM_ref_sig8:
a7077ce7 2007 inc = 8;
ec1b0fbb
NC		 2008 break;
2009
2010 case DW_FORM_data16:
a7077ce7 2011 inc = 16;
ec1b0fbb
NC		 2012 break;
2013
2014 case DW_FORM_string:
a7077ce7 2015 inc = strnlen ((char *) data, end - data) + 1;
ec1b0fbb
NC		 2016 break;
2017
2018 case DW_FORM_block:
2019 case DW_FORM_exprloc:
cd30bcef 2020 READ_ULEB (uvalue, data, end);
a7077ce7 2021 inc = uvalue;
ec1b0fbb
NC		 2022 break;
2023
2024 case DW_FORM_block1:
a7077ce7
AM		 2025 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
2026 inc = uvalue;
ec1b0fbb
NC		 2027 break;
2028
2029 case DW_FORM_block2:
a7077ce7
AM		 2030 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
2031 inc = uvalue;
ec1b0fbb
NC		 2032 break;
2033
2034 case DW_FORM_block4:
a7077ce7
AM		 2035 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
2036 inc = uvalue;
ec1b0fbb
NC		 2037 break;
2038
ec1b0fbb 2039 case DW_FORM_indirect:
59624513
NC		 2040 READ_ULEB (form, data, end);
2041 if (form == DW_FORM_implicit_const)
2042 SKIP_ULEB (data, end);
a7077ce7
AM		 2043 return skip_attr_bytes (form, data, end, pointer_size, offset_size,
2044 dwarf_version, value_return);
59624513 2045
ec1b0fbb
NC		 2046 default:
2047 return NULL;
2048 }
2049
2050 * value_return = uvalue;
a7077ce7
AM		 2051 if (inc <= (dwarf_vma) (end - data))
2052 data += inc;
2053 else
2054 data = end;
ec1b0fbb
NC		 2055 return data;
2056}
2057
bcd213b2
NC		 2058/* Given form FORM with value UVALUE, locate and return the abbreviation
2059 associated with it. */
2060
2061static abbrev_entry *
2062get_type_abbrev_from_form (unsigned long form,
2063 unsigned long uvalue,
2064 dwarf_vma cu_offset,
2065 const struct dwarf_section * section,
2066 unsigned long * abbrev_num_return,
2067 unsigned char ** data_return,
2068 unsigned long * cu_offset_return)
2069{
2070 unsigned long abbrev_number;
2071 abbrev_map * map;
2072 abbrev_entry * entry;
2073 unsigned char * data;
2074
2075 if (abbrev_num_return != NULL)
2076 * abbrev_num_return = 0;
2077 if (data_return != NULL)
2078 * data_return = NULL;
2079
2080 switch (form)
2081 {
2082 case DW_FORM_GNU_ref_alt:
5f128a25 2083 case DW_FORM_ref_sig8:
bcd213b2
NC		 2084 /* FIXME: We are unable to handle this form at the moment. */
2085 return NULL;
2086
2087 case DW_FORM_ref_addr:
2088 if (uvalue >= section->size)
2089 {
2090 warn (_("Unable to resolve ref_addr form: uvalue %lx > section size %lx (%s)\n"),
2091 uvalue, (long) section->size, section->name);
2092 return NULL;
2093 }
2094 break;
2095
e38332c2
NC		 2096 case DW_FORM_ref_sup4:
2097 case DW_FORM_ref_sup8:
2098 break;
2099
bcd213b2
NC		 2100 case DW_FORM_ref1:
2101 case DW_FORM_ref2:
2102 case DW_FORM_ref4:
1f573141 2103 case DW_FORM_ref8:
bcd213b2
NC		 2104 case DW_FORM_ref_udata:
2105 if (uvalue + cu_offset > section->size)
2106 {
2107 warn (_("Unable to resolve ref form: uvalue %lx + cu_offset %lx > section size %lx\n"),
2108 uvalue, (long) cu_offset, (long) section->size);
2109 return NULL;
2110 }
2111 uvalue += cu_offset;
2112 break;
2113
2114 /* FIXME: Are there other DW_FORMs that can be used by types ? */
2115
2116 default:
2117 warn (_("Unexpected form %lx encountered whilst finding abbreviation for type\n"), form);
2118 return NULL;
2119 }
2120
2121 data = (unsigned char *) section->start + uvalue;
2122 map = find_abbrev_map_by_offset (uvalue);
521d4b19 2123
bcd213b2
NC		 2124 if (map == NULL)
2125 {
2126 warn (_("Unable to find abbreviations for CU offset %#lx\n"), uvalue);
2127 return NULL;
2128 }
2129 if (map->list == NULL)
2130 {
2131 warn (_("Empty abbreviation list encountered for CU offset %lx\n"), uvalue);
2132 return NULL;
2133 }
2134
2135 if (cu_offset_return != NULL)
2136 {
2137 if (form == DW_FORM_ref_addr)
2138 * cu_offset_return = map->start;
2139 else
2140 * cu_offset_return = cu_offset;
2141 }
2142
2143 READ_ULEB (abbrev_number, data, section->start + section->size);
2144
2145 for (entry = map->list->first_abbrev; entry != NULL; entry = entry->next)
2146 if (entry->number == abbrev_number)
2147 break;
521d4b19 2148
bcd213b2
NC		 2149 if (abbrev_num_return != NULL)
2150 * abbrev_num_return = abbrev_number;
2151
2152 if (data_return != NULL)
2153 * data_return = data;
2154
2155 if (entry == NULL)
2156 warn (_("Unable to find entry for abbreviation %lu\n"), abbrev_number);
2157
2158 return entry;
2159}
2160
2161/* Return IS_SIGNED set to TRUE if the type using abbreviation ENTRY
2162 can be determined to be a signed type. The data for ENTRY can be
2163 found starting at DATA. */
ec1b0fbb
NC		 2164
2165static void
015dc7e1
AM		 2166get_type_signedness (abbrev_entry *entry,
2167 const struct dwarf_section *section,
2168 unsigned char *data,
a7077ce7 2169 unsigned char *end,
015dc7e1
AM		 2170 dwarf_vma cu_offset,
2171 dwarf_vma pointer_size,
2172 dwarf_vma offset_size,
2173 int dwarf_version,
2174 bool *is_signed,
2175 unsigned int nesting)
ec1b0fbb 2176{
ec1b0fbb
NC		 2177 abbrev_attr * attr;
2178
015dc7e1 2179 * is_signed = false;
ec1b0fbb 2180
59624513
NC		 2181#define MAX_NESTING 20
2182 if (nesting > MAX_NESTING)
2183 {
2184 /* FIXME: Warn - or is this expected ?
2185 NB/ We need to avoid infinite recursion. */
2186 return;
2187 }
2188
ec1b0fbb
NC		 2189 for (attr = entry->first_attr;
2190 attr != NULL && attr->attribute;
2191 attr = attr->next)
2192 {
bcd213b2 2193 unsigned char * orig_data = data;
ec1b0fbb
NC		 2194 dwarf_vma uvalue = 0;
2195
2196 data = skip_attr_bytes (attr->form, data, end, pointer_size,
2197 offset_size, dwarf_version, & uvalue);
2198 if (data == NULL)
2199 return;
2200
2201 switch (attr->attribute)
2202 {
bcd213b2 2203 case DW_AT_linkage_name:
ec1b0fbb 2204 case DW_AT_name:
bcd213b2
NC		 2205 if (do_wide)
2206 {
2207 if (attr->form == DW_FORM_strp)
2208 printf (", %s", fetch_indirect_string (uvalue));
2209 else if (attr->form == DW_FORM_string)
2210 printf (", %s", orig_data);
2211 }
ec1b0fbb 2212 break;
bcd213b2 2213
ec1b0fbb
NC		 2214 case DW_AT_type:
2215 /* Recurse. */
bcd213b2
NC		 2216 {
2217 abbrev_entry * type_abbrev;
2218 unsigned char * type_data;
2219 unsigned long type_cu_offset;
2220
2221 type_abbrev = get_type_abbrev_from_form (attr->form,
2222 uvalue,
2223 cu_offset,
2224 section,
2225 NULL /* abbrev num return */,
2226 & type_data,
2227 & type_cu_offset);
2228 if (type_abbrev == NULL)
2229 break;
2230
2231 get_type_signedness (type_abbrev, section, type_data, end, type_cu_offset,
2232 pointer_size, offset_size, dwarf_version,
2233 is_signed, nesting + 1);
2234 }
ec1b0fbb
NC		 2235 break;
2236
2237 case DW_AT_encoding:
2238 /* Determine signness. */
2239 switch (uvalue)
2240 {
2241 case DW_ATE_address:
2242 /* FIXME - some architectures have signed addresses. */
2243 case DW_ATE_boolean:
2244 case DW_ATE_unsigned:
2245 case DW_ATE_unsigned_char:
2246 case DW_ATE_unsigned_fixed:
015dc7e1 2247 * is_signed = false;
ec1b0fbb
NC		 2248 break;
2249
2250 default:
2251 case DW_ATE_complex_float:
2252 case DW_ATE_float:
2253 case DW_ATE_signed:
2254 case DW_ATE_signed_char:
2255 case DW_ATE_imaginary_float:
2256 case DW_ATE_decimal_float:
2257 case DW_ATE_signed_fixed:
015dc7e1 2258 * is_signed = true;
ec1b0fbb
NC		 2259 break;
2260 }
2261 break;
2262 }
2263 }
2264}
2265
2266static void
015dc7e1
AM		 2267read_and_print_leb128 (unsigned char *data,
2268 unsigned int *bytes_read,
2269 unsigned const char *end,
2270 bool is_signed)
ec1b0fbb 2271{
cd30bcef
AM		 2272 int status;
2273 dwarf_vma val = read_leb128 (data, end, is_signed, bytes_read, &status);
2274 if (status != 0)
1b513401 2275 report_leb_status (status, __FILE__, __LINE__);
ec1b0fbb 2276 else
cd30bcef 2277 printf ("%s", dwarf_vmatoa (is_signed ? "d" : "u", val));
ec1b0fbb
NC		 2278}
2279
2280static void
2281display_discr_list (unsigned long form,
2282 dwarf_vma uvalue,
2283 unsigned char * data,
2284 unsigned const char * end,
2285 int level)
2286{
2287 if (uvalue == 0)
2288 {
2289 printf ("[default]");
2290 return;
2291 }
521d4b19 2292
ec1b0fbb
NC		 2293 switch (form)
2294 {
2295 case DW_FORM_block:
2296 case DW_FORM_block1:
2297 case DW_FORM_block2:
2298 case DW_FORM_block4:
2299 /* Move data pointer back to the start of the byte array. */
2300 data -= uvalue;
2301 break;
2302 default:
2303 printf ("<corrupt>\n");
2304 warn (_("corrupt discr_list - not using a block form\n"));
2305 return;
2306 }
2307
2308 if (uvalue < 2)
2309 {
2310 printf ("<corrupt>\n");
2311 warn (_("corrupt discr_list - block not long enough\n"));
2312 return;
2313 }
2314
015dc7e1 2315 bool is_signed =
ec1b0fbb 2316 (level > 0 && level <= MAX_CU_NESTING)
015dc7e1 2317 ? level_type_signed [level - 1] : false;
521d4b19 2318
ec1b0fbb
NC		 2319 printf ("(");
2320 while (uvalue)
2321 {
2322 unsigned char discriminant;
2323 unsigned int bytes_read;
2324
6d1ad6f7 2325 SAFE_BYTE_GET_AND_INC (discriminant, data, 1, end);
ec1b0fbb 2326 -- uvalue;
ec1b0fbb
NC		 2327
2328 assert (uvalue > 0);
2329 switch (discriminant)
2330 {
2331 case DW_DSC_label:
2332 printf ("label ");
2333 read_and_print_leb128 (data, & bytes_read, end, is_signed);
2334 assert (bytes_read <= uvalue && bytes_read > 0);
2335 uvalue -= bytes_read;
2336 data += bytes_read;
2337 break;
2338
2339 case DW_DSC_range:
2340 printf ("range ");
2341 read_and_print_leb128 (data, & bytes_read, end, is_signed);
2342 assert (bytes_read <= uvalue && bytes_read > 0);
2343 uvalue -= bytes_read;
2344 data += bytes_read;
2345
2346 printf ("..");
2347 read_and_print_leb128 (data, & bytes_read, end, is_signed);
2348 assert (bytes_read <= uvalue && bytes_read > 0);
2349 uvalue -= bytes_read;
2350 data += bytes_read;
2351 break;
2352
2353 default:
2354 printf ("<corrupt>\n");
e38332c2 2355 warn (_("corrupt discr_list - unrecognized discriminant byte %#x\n"),
ec1b0fbb
NC		 2356 discriminant);
2357 return;
2358 }
2359
2360 if (uvalue)
2361 printf (", ");
2362 }
2363
2364 if (is_signed)
2365 printf (")(signed)");
2366 else
2367 printf (")(unsigned)");
2368}
2369
19e6b90e 2370static unsigned char *
dda8d76d
NC		 2371read_and_display_attr_value (unsigned long attribute,
2372 unsigned long form,
2373 dwarf_signed_vma implicit_const,
ec1b0fbb 2374 unsigned char * start,
dda8d76d
NC		 2375 unsigned char * data,
2376 unsigned char * end,
2377 dwarf_vma cu_offset,
2378 dwarf_vma pointer_size,
2379 dwarf_vma offset_size,
2380 int dwarf_version,
2381 debug_info * debug_info_p,
2382 int do_loc,
2383 struct dwarf_section * section,
2384 struct cu_tu_set * this_set,
ec1b0fbb
NC		 2385 char delimiter,
2386 int level)
19e6b90e 2387{
cd30bcef 2388 dwarf_signed_vma svalue;
af2ddf69
AM		 2389 dwarf_vma uvalue = 0;
2390 dwarf_vma uvalue_hi = 0;
2391 unsigned char *block_start = NULL;
2392 unsigned char *orig_data = data;
19e6b90e 2393
f41e4712 2394 if (data > end || (data == end && form != DW_FORM_flag_present))
0c588247 2395 {
f41e4712 2396 warn (_("Corrupt attribute\n"));
0c588247
NC		 2397 return data;
2398 }
2399
521d4b19
NC		 2400 if (do_wide && ! do_loc)
2401 {
2402 /* PR 26847: Display the name of the form. */
2403 const char * name = get_FORM_name (form);
2404
2405 /* For convenience we skip the DW_FORM_ prefix to the name. */
2406 if (name[0] == 'D')
2407 name += 8; /* strlen ("DW_FORM_") */
2408 printf ("%c(%s)", delimiter, name);
2409 }
2410
19e6b90e
L		 2411 switch (form)
2412 {
2413 default:
2414 break;
2415
2416 case DW_FORM_ref_addr:
2417 if (dwarf_version == 2)
0c588247 2418 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
ec47b32a 2419 else if (dwarf_version > 2)
0c588247 2420 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
19e6b90e 2421 else
ec47b32a 2422 error (_("Internal error: DW_FORM_ref_addr is not supported in DWARF version 1.\n"));
19e6b90e
L		 2423 break;
2424
2425 case DW_FORM_addr:
0c588247 2426 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
19e6b90e
L		 2427 break;
2428
e38332c2 2429 case DW_FORM_strp_sup:
19e6b90e 2430 case DW_FORM_strp:
77145576 2431 case DW_FORM_line_strp:
932fd279 2432 case DW_FORM_sec_offset:
a081f3cd
JJ		 2433 case DW_FORM_GNU_ref_alt:
2434 case DW_FORM_GNU_strp_alt:
0c588247 2435 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
19e6b90e
L		 2436 break;
2437
932fd279
JJ		 2438 case DW_FORM_flag_present:
2439 uvalue = 1;
2440 break;
2441
19e6b90e
L		 2442 case DW_FORM_ref1:
2443 case DW_FORM_flag:
2444 case DW_FORM_data1:
32e4f96c
TV		 2445 case DW_FORM_strx1:
2446 case DW_FORM_addrx1:
0c588247 2447 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
19e6b90e
L		 2448 break;
2449
2450 case DW_FORM_ref2:
2451 case DW_FORM_data2:
32e4f96c
TV		 2452 case DW_FORM_strx2:
2453 case DW_FORM_addrx2:
0c588247 2454 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
19e6b90e
L		 2455 break;
2456
32e4f96c
TV		 2457 case DW_FORM_strx3:
2458 case DW_FORM_addrx3:
2459 SAFE_BYTE_GET_AND_INC (uvalue, data, 3, end);
2460 break;
2461
e38332c2 2462 case DW_FORM_ref_sup4:
19e6b90e
L		 2463 case DW_FORM_ref4:
2464 case DW_FORM_data4:
32e4f96c
TV		 2465 case DW_FORM_strx4:
2466 case DW_FORM_addrx4:
0c588247 2467 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
19e6b90e
L		 2468 break;
2469
af2ddf69
AM		 2470 case DW_FORM_ref_sup8:
2471 case DW_FORM_ref8:
2472 case DW_FORM_data8:
2473 case DW_FORM_ref_sig8:
2474 SAFE_BYTE_GET_AND_INC (uvalue, data, 8, end);
2475 break;
2476
2477 case DW_FORM_data16:
2478 SAFE_BYTE_GET_AND_INC (uvalue, data, 8, end);
2479 SAFE_BYTE_GET_AND_INC (uvalue_hi, data, 8, end);
2480 if (byte_get != byte_get_little_endian)
2481 {
2482 dwarf_vma utmp = uvalue;
2483 uvalue = uvalue_hi;
2484 uvalue_hi = utmp;
2485 }
2486 break;
2487
19e6b90e 2488 case DW_FORM_sdata:
cd30bcef
AM		 2489 READ_SLEB (svalue, data, end);
2490 uvalue = svalue;
19e6b90e
L		 2491 break;
2492
4723351a 2493 case DW_FORM_GNU_str_index:
32e4f96c 2494 case DW_FORM_strx:
19e6b90e
L		 2495 case DW_FORM_ref_udata:
2496 case DW_FORM_udata:
cd30bcef 2497 case DW_FORM_GNU_addr_index:
32e4f96c 2498 case DW_FORM_addrx:
cd30bcef 2499 READ_ULEB (uvalue, data, end);
19e6b90e
L		 2500 break;
2501
2502 case DW_FORM_indirect:
cd30bcef 2503 READ_ULEB (form, data, end);
19e6b90e 2504 if (!do_loc)
ef0b5f1c 2505 printf ("%c%s", delimiter, get_FORM_name (form));
77145576 2506 if (form == DW_FORM_implicit_const)
cd30bcef 2507 READ_SLEB (implicit_const, data, end);
ec1b0fbb
NC		 2508 return read_and_display_attr_value (attribute, form, implicit_const,
2509 start, data, end,
2510 cu_offset, pointer_size,
19e6b90e 2511 offset_size, dwarf_version,
ec4d4525 2512 debug_info_p, do_loc,
ec1b0fbb 2513 section, this_set, delimiter, level);
19e6b90e
L		 2514 }
2515
2516 switch (form)
2517 {
2518 case DW_FORM_ref_addr:
2519 if (!do_loc)
bcd213b2 2520 printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 2521 break;
2522
a081f3cd
JJ		 2523 case DW_FORM_GNU_ref_alt:
2524 if (!do_loc)
521d4b19
NC		 2525 {
2526 if (do_wide)
2527 /* We have already printed the form name. */
2528 printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue));
2529 else
2530 printf ("%c<alt 0x%s>", delimiter, dwarf_vmatoa ("x", uvalue));
2531 }
dda8d76d 2532 /* FIXME: Follow the reference... */
a081f3cd
JJ		 2533 break;
2534
19e6b90e
L		 2535 case DW_FORM_ref1:
2536 case DW_FORM_ref2:
2537 case DW_FORM_ref4:
e38332c2 2538 case DW_FORM_ref_sup4:
19e6b90e
L		 2539 case DW_FORM_ref_udata:
2540 if (!do_loc)
ef0b5f1c 2541 printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue + cu_offset));
19e6b90e
L		 2542 break;
2543
2544 case DW_FORM_data4:
2545 case DW_FORM_addr:
932fd279 2546 case DW_FORM_sec_offset:
19e6b90e 2547 if (!do_loc)
ef0b5f1c 2548 printf ("%c0x%s", delimiter, dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 2549 break;
2550
932fd279 2551 case DW_FORM_flag_present:
19e6b90e
L		 2552 case DW_FORM_flag:
2553 case DW_FORM_data1:
2554 case DW_FORM_data2:
2555 case DW_FORM_sdata:
2556 case DW_FORM_udata:
2557 if (!do_loc)
ef0b5f1c 2558 printf ("%c%s", delimiter, dwarf_vmatoa ("d", uvalue));
19e6b90e
L		 2559 break;
2560
77145576
JK		 2561 case DW_FORM_implicit_const:
2562 if (!do_loc)
2563 printf ("%c%s", delimiter, dwarf_vmatoa ("d", implicit_const));
2564 break;
2565
e38332c2 2566 case DW_FORM_ref_sup8:
19e6b90e
L		 2567 case DW_FORM_ref8:
2568 case DW_FORM_data8:
2bc8690c 2569 if (!do_loc)
19e6b90e 2570 {
af2ddf69 2571 dwarf_vma utmp = uvalue;
a69c4772 2572 if (form == DW_FORM_ref8)
af2ddf69
AM		 2573 utmp += cu_offset;
2574 printf ("%c0x%s", delimiter, dwarf_vmatoa ("x", utmp));
19e6b90e 2575 }
19e6b90e
L		 2576 break;
2577
2f6cd591
JK		 2578 case DW_FORM_data16:
2579 if (!do_loc)
af2ddf69
AM		 2580 printf (" 0x%s%s",
2581 uvalue_hi == 0 ? "" : dwarf_vmatoa ("x", uvalue_hi),
2582 dwarf_vmatoa_1 ("x", uvalue, uvalue_hi == 0 ? 0 : 8));
2f6cd591
JK		 2583 break;
2584
19e6b90e
L		 2585 case DW_FORM_string:
2586 if (!do_loc)
ef0b5f1c 2587 printf ("%c%.*s", delimiter, (int) (end - data), data);
a7077ce7
AM		 2588 data += strnlen ((char *) data, end - data);
2589 if (data < end)
2590 data++;
19e6b90e
L		 2591 break;
2592
2593 case DW_FORM_block:
932fd279 2594 case DW_FORM_exprloc:
cd30bcef
AM		 2595 READ_ULEB (uvalue, data, end);
2596 do_block:
2597 block_start = data;
a1165289
NC		 2598 if (block_start >= end)
2599 {
2600 warn (_("Block ends prematurely\n"));
2601 uvalue = 0;
2602 block_start = end;
2603 }
afc72f15
NC		 2604
2605 uvalue = check_uvalue (block_start, uvalue, end);
2606
19e6b90e
L		 2607 if (do_loc)
2608 data = block_start + uvalue;
2609 else
ef0b5f1c 2610 data = display_block (block_start, uvalue, end, delimiter);
19e6b90e
L		 2611 break;
2612
2613 case DW_FORM_block1:
cd30bcef
AM		 2614 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
2615 goto do_block;
19e6b90e
L		 2616
2617 case DW_FORM_block2:
cd30bcef
AM		 2618 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
2619 goto do_block;
19e6b90e
L		 2620
2621 case DW_FORM_block4:
cd30bcef
AM		 2622 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
2623 goto do_block;
19e6b90e
L		 2624
2625 case DW_FORM_strp:
2626 if (!do_loc)
521d4b19
NC		 2627 {
2628 if (do_wide)
2629 /* We have already displayed the form name. */
2630 printf (_("%c(offset: 0x%s): %s"), delimiter,
2631 dwarf_vmatoa ("x", uvalue),
2632 fetch_indirect_string (uvalue));
2633 else
2634 printf (_("%c(indirect string, offset: 0x%s): %s"), delimiter,
2635 dwarf_vmatoa ("x", uvalue),
2636 fetch_indirect_string (uvalue));
2637 }
19e6b90e
L		 2638 break;
2639
77145576
JK		 2640 case DW_FORM_line_strp:
2641 if (!do_loc)
521d4b19
NC		 2642 {
2643 if (do_wide)
2644 /* We have already displayed the form name. */
2645 printf (_("%c(offset: 0x%s): %s"), delimiter,
2646 dwarf_vmatoa ("x", uvalue),
2647 fetch_indirect_line_string (uvalue));
2648 else
2649 printf (_("%c(indirect line string, offset: 0x%s): %s"), delimiter,
2650 dwarf_vmatoa ("x", uvalue),
2651 fetch_indirect_line_string (uvalue));
2652 }
77145576
JK		 2653 break;
2654
4723351a 2655 case DW_FORM_GNU_str_index:
32e4f96c
TV		 2656 case DW_FORM_strx:
2657 case DW_FORM_strx1:
2658 case DW_FORM_strx2:
2659 case DW_FORM_strx3:
2660 case DW_FORM_strx4:
4723351a 2661 if (!do_loc)
b4eb7656 2662 {
63b4cc53 2663 const char *suffix = strrchr (section->name, '.');
015dc7e1 2664 bool dwo = suffix && strcmp (suffix, ".dwo") == 0;
b4eb7656 2665
521d4b19
NC		 2666 if (do_wide)
2667 /* We have already displayed the form name. */
2668 printf (_("%c(offset: 0x%s): %s"), delimiter,
2669 dwarf_vmatoa ("x", uvalue),
2670 fetch_indexed_string (uvalue, this_set, offset_size, dwo));
2671 else
2672 printf (_("%c(indexed string: 0x%s): %s"), delimiter,
2673 dwarf_vmatoa ("x", uvalue),
2674 fetch_indexed_string (uvalue, this_set, offset_size, dwo));
b4eb7656 2675 }
4723351a
CC		 2676 break;
2677
a081f3cd
JJ		 2678 case DW_FORM_GNU_strp_alt:
2679 if (!do_loc)
dda8d76d 2680 {
521d4b19
NC		 2681 if (do_wide)
2682 /* We have already displayed the form name. */
2683 printf (_("%c(offset: 0x%s) %s"), delimiter,
2684 dwarf_vmatoa ("x", uvalue),
2685 fetch_alt_indirect_string (uvalue));
2686 else
2687 printf (_("%c(alt indirect string, offset: 0x%s) %s"), delimiter,
2688 dwarf_vmatoa ("x", uvalue),
2689 fetch_alt_indirect_string (uvalue));
dda8d76d 2690 }
a081f3cd
JJ		 2691 break;
2692
19e6b90e
L		 2693 case DW_FORM_indirect:
2694 /* Handled above. */
2695 break;
2696
2b6f5997
CC		 2697 case DW_FORM_ref_sig8:
2698 if (!do_loc)
af2ddf69
AM		 2699 printf ("%c%s: 0x%s", delimiter, do_wide ? "" : "signature",
2700 dwarf_vmatoa ("x", uvalue));
2b6f5997
CC		 2701 break;
2702
4723351a 2703 case DW_FORM_GNU_addr_index:
32e4f96c
TV		 2704 case DW_FORM_addrx:
2705 case DW_FORM_addrx1:
2706 case DW_FORM_addrx2:
2707 case DW_FORM_addrx3:
2708 case DW_FORM_addrx4:
4723351a 2709 if (!do_loc)
521d4b19 2710 {
32e4f96c
TV		 2711 dwarf_vma base;
2712 dwarf_vma offset;
2713
2714 if (debug_info_p == NULL)
2715 base = 0;
2716 else if (debug_info_p->addr_base == DEBUG_INFO_UNAVAILABLE)
2717 base = 0;
2718 else
2719 base = debug_info_p->addr_base;
2720
2721 offset = base + uvalue * pointer_size;
2722
521d4b19
NC		 2723 if (do_wide)
2724 /* We have already displayed the form name. */
2725 printf (_("%c(index: 0x%s): %s"), delimiter,
2726 dwarf_vmatoa ("x", uvalue),
32e4f96c 2727 fetch_indexed_value (offset, pointer_size));
521d4b19
NC		 2728 else
2729 printf (_("%c(addr_index: 0x%s): %s"), delimiter,
2730 dwarf_vmatoa ("x", uvalue),
32e4f96c 2731 fetch_indexed_value (offset, pointer_size));
521d4b19 2732 }
4723351a
CC		 2733 break;
2734
e38332c2
NC		 2735 case DW_FORM_strp_sup:
2736 if (!do_loc)
2737 printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue + cu_offset));
2738 break;
2739
19e6b90e 2740 default:
e38332c2 2741 warn (_("Unrecognized form: 0x%lx\n"), form);
19e6b90e
L		 2742 break;
2743 }
2744
19e6b90e 2745 if ((do_loc || do_debug_loc || do_debug_ranges)
fd2f0033
TT		 2746 && num_debug_info_entries == 0
2747 && debug_info_p != NULL)
19e6b90e
L		 2748 {
2749 switch (attribute)
2750 {
2751 case DW_AT_frame_base:
2752 have_frame_base = 1;
1a0670f3 2753 /* Fall through. */
19e6b90e 2754 case DW_AT_location:
9f272209 2755 case DW_AT_GNU_locviews:
e2a0d921
NC		 2756 case DW_AT_string_length:
2757 case DW_AT_return_addr:
19e6b90e
L		 2758 case DW_AT_data_member_location:
2759 case DW_AT_vtable_elem_location:
e2a0d921
NC		 2760 case DW_AT_segment:
2761 case DW_AT_static_link:
2762 case DW_AT_use_location:
bc0a77d2 2763 case DW_AT_call_value:
629e7ca8 2764 case DW_AT_GNU_call_site_value:
bc0a77d2 2765 case DW_AT_call_data_value:
629e7ca8 2766 case DW_AT_GNU_call_site_data_value:
bc0a77d2 2767 case DW_AT_call_target:
629e7ca8 2768 case DW_AT_GNU_call_site_target:
bc0a77d2 2769 case DW_AT_call_target_clobbered:
629e7ca8 2770 case DW_AT_GNU_call_site_target_clobbered:
b4eb7656 2771 if ((dwarf_version < 4
212b6063 2772 && (form == DW_FORM_data4 || form == DW_FORM_data8))
932fd279 2773 || form == DW_FORM_sec_offset)
19e6b90e
L		 2774 {
2775 /* Process location list. */
91d6fa6a 2776 unsigned int lmax = debug_info_p->max_loc_offsets;
19e6b90e
L		 2777 unsigned int num = debug_info_p->num_loc_offsets;
2778
91d6fa6a 2779 if (lmax == 0 || num >= lmax)
19e6b90e 2780 {
91d6fa6a 2781 lmax += 1024;
467c65bc 2782 debug_info_p->loc_offsets = (dwarf_vma *)
b4eb7656
AM		 2783 xcrealloc (debug_info_p->loc_offsets,
2784 lmax, sizeof (*debug_info_p->loc_offsets));
9f272209
AO		 2785 debug_info_p->loc_views = (dwarf_vma *)
2786 xcrealloc (debug_info_p->loc_views,
2787 lmax, sizeof (*debug_info_p->loc_views));
3f5e193b 2788 debug_info_p->have_frame_base = (int *)
b4eb7656
AM		 2789 xcrealloc (debug_info_p->have_frame_base,
2790 lmax, sizeof (*debug_info_p->have_frame_base));
91d6fa6a 2791 debug_info_p->max_loc_offsets = lmax;
19e6b90e 2792 }
341f9135 2793 if (this_set != NULL)
b4eb7656 2794 uvalue += this_set->section_offsets [DW_SECT_LOC];
19e6b90e 2795 debug_info_p->have_frame_base [num] = have_frame_base;
9f272209
AO		 2796 if (attribute != DW_AT_GNU_locviews)
2797 {
a7504f87
NC		 2798 /* Corrupt DWARF info can produce more offsets than views.
2799 See PR 23062 for an example. */
2800 if (debug_info_p->num_loc_offsets
2801 > debug_info_p->num_loc_views)
2802 warn (_("More location offset attributes than DW_AT_GNU_locview attributes\n"));
2803 else
2804 {
2805 debug_info_p->loc_offsets [num] = uvalue;
2806 debug_info_p->num_loc_offsets++;
2807 }
9f272209
AO		 2808 }
2809 else
2810 {
2811 assert (debug_info_p->num_loc_views <= num);
2812 num = debug_info_p->num_loc_views;
a7504f87
NC		 2813 if (num > debug_info_p->num_loc_offsets)
2814 warn (_("More DW_AT_GNU_locview attributes than location offset attributes\n"));
2815 else
2816 {
2817 debug_info_p->loc_views [num] = uvalue;
2818 debug_info_p->num_loc_views++;
2819 }
9f272209 2820 }
19e6b90e
L		 2821 }
2822 break;
e2a0d921 2823
19e6b90e
L		 2824 case DW_AT_low_pc:
2825 if (need_base_address)
2826 debug_info_p->base_address = uvalue;
2827 break;
2828
4723351a 2829 case DW_AT_GNU_addr_base:
32e4f96c 2830 case DW_AT_addr_base:
b4eb7656 2831 debug_info_p->addr_base = uvalue;
4723351a
CC		 2832 break;
2833
2834 case DW_AT_GNU_ranges_base:
b4eb7656 2835 debug_info_p->ranges_base = uvalue;
4723351a
CC		 2836 break;
2837
19e6b90e 2838 case DW_AT_ranges:
b4eb7656 2839 if ((dwarf_version < 4
212b6063 2840 && (form == DW_FORM_data4 || form == DW_FORM_data8))
932fd279 2841 || form == DW_FORM_sec_offset)
19e6b90e
L		 2842 {
2843 /* Process range list. */
91d6fa6a 2844 unsigned int lmax = debug_info_p->max_range_lists;
19e6b90e
L		 2845 unsigned int num = debug_info_p->num_range_lists;
2846
91d6fa6a 2847 if (lmax == 0 || num >= lmax)
19e6b90e 2848 {
91d6fa6a 2849 lmax += 1024;
467c65bc 2850 debug_info_p->range_lists = (dwarf_vma *)
b4eb7656
AM		 2851 xcrealloc (debug_info_p->range_lists,
2852 lmax, sizeof (*debug_info_p->range_lists));
91d6fa6a 2853 debug_info_p->max_range_lists = lmax;
19e6b90e
L		 2854 }
2855 debug_info_p->range_lists [num] = uvalue;
2856 debug_info_p->num_range_lists++;
2857 }
2858 break;
2859
d85bf2ba
NC		 2860 case DW_AT_GNU_dwo_name:
2861 case DW_AT_dwo_name:
2862 if (need_dwo_info)
2863 switch (form)
2864 {
2865 case DW_FORM_strp:
50ea0877 2866 add_dwo_name ((const char *) fetch_indirect_string (uvalue), cu_offset);
d85bf2ba 2867 break;
5568cc9e 2868 case DW_FORM_GNU_strp_alt:
50ea0877 2869 add_dwo_name ((const char *) fetch_alt_indirect_string (uvalue), cu_offset);
5568cc9e 2870 break;
d85bf2ba 2871 case DW_FORM_GNU_str_index:
32e4f96c
TV		 2872 case DW_FORM_strx:
2873 case DW_FORM_strx1:
2874 case DW_FORM_strx2:
2875 case DW_FORM_strx3:
2876 case DW_FORM_strx4:
015dc7e1 2877 add_dwo_name (fetch_indexed_string (uvalue, this_set, offset_size, false), cu_offset);
d85bf2ba
NC		 2878 break;
2879 case DW_FORM_string:
50ea0877 2880 add_dwo_name ((const char *) orig_data, cu_offset);
d85bf2ba
NC		 2881 break;
2882 default:
2883 warn (_("Unsupported form (%s) for attribute %s\n"),
2884 get_FORM_name (form), get_AT_name (attribute));
d85bf2ba
NC		 2885 break;
2886 }
2887 break;
521d4b19 2888
d85bf2ba
NC		 2889 case DW_AT_comp_dir:
2890 /* FIXME: Also extract a build-id in a CU/TU. */
2891 if (need_dwo_info)
2892 switch (form)
2893 {
2894 case DW_FORM_strp:
50ea0877 2895 add_dwo_dir ((const char *) fetch_indirect_string (uvalue), cu_offset);
d85bf2ba 2896 break;
5568cc9e 2897 case DW_FORM_GNU_strp_alt:
50ea0877 2898 add_dwo_dir (fetch_alt_indirect_string (uvalue), cu_offset);
5568cc9e 2899 break;
d85bf2ba 2900 case DW_FORM_line_strp:
50ea0877 2901 add_dwo_dir ((const char *) fetch_indirect_line_string (uvalue), cu_offset);
d85bf2ba
NC		 2902 break;
2903 case DW_FORM_GNU_str_index:
32e4f96c
TV		 2904 case DW_FORM_strx:
2905 case DW_FORM_strx1:
2906 case DW_FORM_strx2:
2907 case DW_FORM_strx3:
2908 case DW_FORM_strx4:
015dc7e1 2909 add_dwo_dir (fetch_indexed_string (uvalue, this_set, offset_size, false), cu_offset);
d85bf2ba
NC		 2910 break;
2911 case DW_FORM_string:
50ea0877 2912 add_dwo_dir ((const char *) orig_data, cu_offset);
d85bf2ba
NC		 2913 break;
2914 default:
2915 warn (_("Unsupported form (%s) for attribute %s\n"),
2916 get_FORM_name (form), get_AT_name (attribute));
d85bf2ba
NC		 2917 break;
2918 }
2919 break;
521d4b19 2920
d85bf2ba
NC		 2921 case DW_AT_GNU_dwo_id:
2922 if (need_dwo_info)
2923 switch (form)
2924 {
2925 case DW_FORM_data8:
24841daa 2926 /* FIXME: Record the length of the ID as well ? */
50ea0877 2927 add_dwo_id ((const char *) (data - 8), cu_offset);
d85bf2ba
NC		 2928 break;
2929 default:
2930 warn (_("Unsupported form (%s) for attribute %s\n"),
2931 get_FORM_name (form), get_AT_name (attribute));
d85bf2ba
NC		 2932 break;
2933 }
2934 break;
521d4b19 2935
19e6b90e
L		 2936 default:
2937 break;
2938 }
2939 }
2940
4ccf1e31 2941 if (do_loc || attribute == 0)
19e6b90e
L		 2942 return data;
2943
ec4d4525 2944 /* For some attributes we can display further information. */
19e6b90e
L		 2945 switch (attribute)
2946 {
ec1b0fbb 2947 case DW_AT_type:
b3fe587e
AM		 2948 if (level >= 0 && level < MAX_CU_NESTING
2949 && uvalue < (size_t) (end - start))
ec1b0fbb 2950 {
015dc7e1
AM		 2951 bool is_signed = false;
2952 abbrev_entry *type_abbrev;
2953 unsigned char *type_data;
2954 unsigned long type_cu_offset;
521d4b19 2955
bcd213b2
NC		 2956 type_abbrev = get_type_abbrev_from_form (form, uvalue, cu_offset,
2957 section, NULL, & type_data, & type_cu_offset);
2958 if (type_abbrev != NULL)
2959 {
2960 get_type_signedness (type_abbrev, section, type_data, end, type_cu_offset,
2961 pointer_size, offset_size, dwarf_version,
2962 & is_signed, 0);
2963 }
ec1b0fbb
NC		 2964 level_type_signed[level] = is_signed;
2965 }
2966 break;
521d4b19 2967
19e6b90e 2968 case DW_AT_inline:
2e9e81a8 2969 printf ("\t");
19e6b90e
L		 2970 switch (uvalue)
2971 {
2972 case DW_INL_not_inlined:
2973 printf (_("(not inlined)"));
2974 break;
2975 case DW_INL_inlined:
2976 printf (_("(inlined)"));
2977 break;
2978 case DW_INL_declared_not_inlined:
2979 printf (_("(declared as inline but ignored)"));
2980 break;
2981 case DW_INL_declared_inlined:
2982 printf (_("(declared as inline and inlined)"));
2983 break;
2984 default:
47704ddf
KT		 2985 printf (_(" (Unknown inline attribute value: %s)"),
2986 dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 2987 break;
2988 }
2989 break;
2990
2991 case DW_AT_language:
2e9e81a8 2992 printf ("\t");
19e6b90e
L		 2993 switch (uvalue)
2994 {
4b78141a 2995 /* Ordered by the numeric value of these constants. */
19e6b90e 2996 case DW_LANG_C89: printf ("(ANSI C)"); break;
4b78141a
NC		 2997 case DW_LANG_C: printf ("(non-ANSI C)"); break;
2998 case DW_LANG_Ada83: printf ("(Ada)"); break;
19e6b90e 2999 case DW_LANG_C_plus_plus: printf ("(C++)"); break;
4b78141a
NC		 3000 case DW_LANG_Cobol74: printf ("(Cobol 74)"); break;
3001 case DW_LANG_Cobol85: printf ("(Cobol 85)"); break;
19e6b90e
L		 3002 case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break;
3003 case DW_LANG_Fortran90: printf ("(Fortran 90)"); break;
19e6b90e 3004 case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break;
4b78141a 3005 case DW_LANG_Modula2: printf ("(Modula 2)"); break;
19e6b90e 3006 /* DWARF 2.1 values. */
4b78141a 3007 case DW_LANG_Java: printf ("(Java)"); break;
19e6b90e
L		 3008 case DW_LANG_C99: printf ("(ANSI C99)"); break;
3009 case DW_LANG_Ada95: printf ("(ADA 95)"); break;
3010 case DW_LANG_Fortran95: printf ("(Fortran 95)"); break;
4b78141a
NC		 3011 /* DWARF 3 values. */
3012 case DW_LANG_PLI: printf ("(PLI)"); break;
3013 case DW_LANG_ObjC: printf ("(Objective C)"); break;
3014 case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break;
3015 case DW_LANG_UPC: printf ("(Unified Parallel C)"); break;
3016 case DW_LANG_D: printf ("(D)"); break;
2b6f5997
CC		 3017 /* DWARF 4 values. */
3018 case DW_LANG_Python: printf ("(Python)"); break;
3362e0d9 3019 /* DWARF 5 values. */
2008a0db 3020 case DW_LANG_OpenCL: printf ("(OpenCL)"); break;
3362e0d9 3021 case DW_LANG_Go: printf ("(Go)"); break;
2008a0db
TT		 3022 case DW_LANG_Modula3: printf ("(Modula 3)"); break;
3023 case DW_LANG_Haskell: printf ("(Haskell)"); break;
3024 case DW_LANG_C_plus_plus_03: printf ("(C++03)"); break;
8bc10620 3025 case DW_LANG_C_plus_plus_11: printf ("(C++11)"); break;
2008a0db
TT		 3026 case DW_LANG_OCaml: printf ("(OCaml)"); break;
3027 case DW_LANG_Rust: printf ("(Rust)"); break;
6ddfe5b4 3028 case DW_LANG_C11: printf ("(C11)"); break;
2008a0db
TT		 3029 case DW_LANG_Swift: printf ("(Swift)"); break;
3030 case DW_LANG_Julia: printf ("(Julia)"); break;
3031 case DW_LANG_Dylan: printf ("(Dylan)"); break;
8bc10620 3032 case DW_LANG_C_plus_plus_14: printf ("(C++14)"); break;
5a195044
MW		 3033 case DW_LANG_Fortran03: printf ("(Fortran 03)"); break;
3034 case DW_LANG_Fortran08: printf ("(Fortran 08)"); break;
2008a0db 3035 case DW_LANG_RenderScript: printf ("(RenderScript)"); break;
19e6b90e
L		 3036 /* MIPS extension. */
3037 case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break;
3038 /* UPC extension. */
3039 case DW_LANG_Upc: printf ("(Unified Parallel C)"); break;
3040 default:
4b78141a 3041 if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user)
9cf03b7e 3042 printf (_("(implementation defined: %s)"),
467c65bc 3043 dwarf_vmatoa ("x", uvalue));
4b78141a 3044 else
9cf03b7e 3045 printf (_("(Unknown: %s)"), dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 3046 break;
3047 }
3048 break;
3049
3050 case DW_AT_encoding:
2e9e81a8 3051 printf ("\t");
19e6b90e
L		 3052 switch (uvalue)
3053 {
3054 case DW_ATE_void: printf ("(void)"); break;
3055 case DW_ATE_address: printf ("(machine address)"); break;
3056 case DW_ATE_boolean: printf ("(boolean)"); break;
3057 case DW_ATE_complex_float: printf ("(complex float)"); break;
3058 case DW_ATE_float: printf ("(float)"); break;
3059 case DW_ATE_signed: printf ("(signed)"); break;
3060 case DW_ATE_signed_char: printf ("(signed char)"); break;
3061 case DW_ATE_unsigned: printf ("(unsigned)"); break;
3062 case DW_ATE_unsigned_char: printf ("(unsigned char)"); break;
e2a0d921 3063 /* DWARF 2.1 values: */
19e6b90e
L		 3064 case DW_ATE_imaginary_float: printf ("(imaginary float)"); break;
3065 case DW_ATE_decimal_float: printf ("(decimal float)"); break;
e2a0d921
NC		 3066 /* DWARF 3 values: */
3067 case DW_ATE_packed_decimal: printf ("(packed_decimal)"); break;
3068 case DW_ATE_numeric_string: printf ("(numeric_string)"); break;
3069 case DW_ATE_edited: printf ("(edited)"); break;
3070 case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break;
3071 case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break;
04914e37
NC		 3072 /* DWARF 4 values: */
3073 case DW_ATE_UTF: printf ("(unicode string)"); break;
3074 /* DWARF 5 values: */
3075 case DW_ATE_UCS: printf ("(UCS)"); break;
3076 case DW_ATE_ASCII: printf ("(ASCII)"); break;
3077
e2a0d921
NC		 3078 /* HP extensions: */
3079 case DW_ATE_HP_float80: printf ("(HP_float80)"); break;
3080 case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break;
3081 case DW_ATE_HP_float128: printf ("(HP_float128)"); break;
3082 case DW_ATE_HP_complex_float128:printf ("(HP_complex_float128)"); break;
3083 case DW_ATE_HP_floathpintel: printf ("(HP_floathpintel)"); break;
3084 case DW_ATE_HP_imaginary_float80: printf ("(HP_imaginary_float80)"); break;
3085 case DW_ATE_HP_imaginary_float128: printf ("(HP_imaginary_float128)"); break;
3086
19e6b90e
L		 3087 default:
3088 if (uvalue >= DW_ATE_lo_user
3089 && uvalue <= DW_ATE_hi_user)
9cf03b7e 3090 printf (_("(user defined type)"));
19e6b90e 3091 else
9cf03b7e 3092 printf (_("(unknown type)"));
19e6b90e
L		 3093 break;
3094 }
3095 break;
3096
3097 case DW_AT_accessibility:
2e9e81a8 3098 printf ("\t");
19e6b90e
L		 3099 switch (uvalue)
3100 {
3101 case DW_ACCESS_public: printf ("(public)"); break;
3102 case DW_ACCESS_protected: printf ("(protected)"); break;
3103 case DW_ACCESS_private: printf ("(private)"); break;
3104 default:
9cf03b7e 3105 printf (_("(unknown accessibility)"));
19e6b90e
L		 3106 break;
3107 }
3108 break;
3109
3110 case DW_AT_visibility:
2e9e81a8 3111 printf ("\t");
19e6b90e
L		 3112 switch (uvalue)
3113 {
3114 case DW_VIS_local: printf ("(local)"); break;
3115 case DW_VIS_exported: printf ("(exported)"); break;
3116 case DW_VIS_qualified: printf ("(qualified)"); break;
9cf03b7e 3117 default: printf (_("(unknown visibility)")); break;
19e6b90e
L		 3118 }
3119 break;
3120
04914e37
NC		 3121 case DW_AT_endianity:
3122 printf ("\t");
3123 switch (uvalue)
3124 {
3125 case DW_END_default: printf ("(default)"); break;
3126 case DW_END_big: printf ("(big)"); break;
3127 case DW_END_little: printf ("(little)"); break;
3128 default:
3129 if (uvalue >= DW_END_lo_user && uvalue <= DW_END_hi_user)
3130 printf (_("(user specified)"));
3131 else
3132 printf (_("(unknown endianity)"));
3133 break;
3134 }
3135 break;
3136
19e6b90e 3137 case DW_AT_virtuality:
2e9e81a8 3138 printf ("\t");
19e6b90e
L		 3139 switch (uvalue)
3140 {
3141 case DW_VIRTUALITY_none: printf ("(none)"); break;
3142 case DW_VIRTUALITY_virtual: printf ("(virtual)"); break;
3143 case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break;
9cf03b7e 3144 default: printf (_("(unknown virtuality)")); break;
19e6b90e
L		 3145 }
3146 break;
3147
3148 case DW_AT_identifier_case:
2e9e81a8 3149 printf ("\t");
19e6b90e
L		 3150 switch (uvalue)
3151 {
3152 case DW_ID_case_sensitive: printf ("(case_sensitive)"); break;
3153 case DW_ID_up_case: printf ("(up_case)"); break;
3154 case DW_ID_down_case: printf ("(down_case)"); break;
3155 case DW_ID_case_insensitive: printf ("(case_insensitive)"); break;
9cf03b7e 3156 default: printf (_("(unknown case)")); break;
19e6b90e
L		 3157 }
3158 break;
3159
3160 case DW_AT_calling_convention:
2e9e81a8 3161 printf ("\t");
19e6b90e
L		 3162 switch (uvalue)
3163 {
3164 case DW_CC_normal: printf ("(normal)"); break;
3165 case DW_CC_program: printf ("(program)"); break;
3166 case DW_CC_nocall: printf ("(nocall)"); break;
04914e37
NC		 3167 case DW_CC_pass_by_reference: printf ("(pass by ref)"); break;
3168 case DW_CC_pass_by_value: printf ("(pass by value)"); break;
3169 case DW_CC_GNU_renesas_sh: printf ("(Rensas SH)"); break;
3170 case DW_CC_GNU_borland_fastcall_i386: printf ("(Borland fastcall i386)"); break;
19e6b90e
L		 3171 default:
3172 if (uvalue >= DW_CC_lo_user
3173 && uvalue <= DW_CC_hi_user)
9cf03b7e 3174 printf (_("(user defined)"));
19e6b90e 3175 else
9cf03b7e 3176 printf (_("(unknown convention)"));
19e6b90e
L		 3177 }
3178 break;
3179
3180 case DW_AT_ordering:
2e9e81a8 3181 printf ("\t");
19e6b90e
L		 3182 switch (uvalue)
3183 {
04914e37 3184 case 255:
9cf03b7e 3185 case -1: printf (_("(undefined)")); break;
19e6b90e
L		 3186 case 0: printf ("(row major)"); break;
3187 case 1: printf ("(column major)"); break;
3188 }
3189 break;
3190
04914e37
NC		 3191 case DW_AT_decimal_sign:
3192 printf ("\t");
3193 switch (uvalue)
3194 {
3195 case DW_DS_unsigned: printf (_("(unsigned)")); break;
3196 case DW_DS_leading_overpunch: printf (_("(leading overpunch)")); break;
3197 case DW_DS_trailing_overpunch: printf (_("(trailing overpunch)")); break;
3198 case DW_DS_leading_separate: printf (_("(leading separate)")); break;
3199 case DW_DS_trailing_separate: printf (_("(trailing separate)")); break;
3200 default: printf (_("(unrecognised)")); break;
3201 }
3202 break;
3203
3204 case DW_AT_defaulted:
3205 printf ("\t");
3206 switch (uvalue)
3207 {
3208 case DW_DEFAULTED_no: printf (_("(no)")); break;
3209 case DW_DEFAULTED_in_class: printf (_("(in class)")); break;
3210 case DW_DEFAULTED_out_of_class: printf (_("(out of class)")); break;
3211 default: printf (_("(unrecognised)")); break;
3212 }
3213 break;
3214
3215 case DW_AT_discr_list:
3216 printf ("\t");
ec1b0fbb 3217 display_discr_list (form, uvalue, data, end, level);
04914e37 3218 break;
521d4b19 3219
19e6b90e
L		 3220 case DW_AT_frame_base:
3221 have_frame_base = 1;
1a0670f3 3222 /* Fall through. */
19e6b90e 3223 case DW_AT_location:
e2a0d921
NC		 3224 case DW_AT_string_length:
3225 case DW_AT_return_addr:
19e6b90e
L		 3226 case DW_AT_data_member_location:
3227 case DW_AT_vtable_elem_location:
e2a0d921
NC		 3228 case DW_AT_segment:
3229 case DW_AT_static_link:
3230 case DW_AT_use_location:
bc0a77d2 3231 case DW_AT_call_value:
629e7ca8 3232 case DW_AT_GNU_call_site_value:
bc0a77d2 3233 case DW_AT_call_data_value:
629e7ca8 3234 case DW_AT_GNU_call_site_data_value:
bc0a77d2 3235 case DW_AT_call_target:
629e7ca8 3236 case DW_AT_GNU_call_site_target:
bc0a77d2 3237 case DW_AT_call_target_clobbered:
629e7ca8 3238 case DW_AT_GNU_call_site_target_clobbered:
212b6063 3239 if ((dwarf_version < 4
b4eb7656 3240 && (form == DW_FORM_data4 || form == DW_FORM_data8))
932fd279 3241 || form == DW_FORM_sec_offset)
2e9e81a8 3242 printf (_(" (location list)"));
e2a0d921 3243 /* Fall through. */
19e6b90e
L		 3244 case DW_AT_allocated:
3245 case DW_AT_associated:
3246 case DW_AT_data_location:
3247 case DW_AT_stride:
3248 case DW_AT_upper_bound:
cecf136e 3249 case DW_AT_lower_bound:
19e6b90e
L		 3250 if (block_start)
3251 {
3252 int need_frame_base;
3253
2e9e81a8 3254 printf ("\t(");
19e6b90e
L		 3255 need_frame_base = decode_location_expression (block_start,
3256 pointer_size,
b7807392
JJ		 3257 offset_size,
3258 dwarf_version,
19e6b90e 3259 uvalue,
f1c4cc75 3260 cu_offset, section);
19e6b90e
L		 3261 printf (")");
3262 if (need_frame_base && !have_frame_base)
3263 printf (_(" [without DW_AT_frame_base]"));
3264 }
19e6b90e
L		 3265 break;
3266
c54207d3
NC		 3267 case DW_AT_data_bit_offset:
3268 case DW_AT_byte_size:
3269 case DW_AT_bit_size:
3270 case DW_AT_string_length_byte_size:
3271 case DW_AT_string_length_bit_size:
3272 case DW_AT_bit_stride:
3273 if (form == DW_FORM_exprloc)
3274 {
3275 printf ("\t(");
3276 (void) decode_location_expression (block_start, pointer_size,
3277 offset_size, dwarf_version,
3278 uvalue, cu_offset, section);
3279 printf (")");
3280 }
3281 break;
3282
ec4d4525
NC		 3283 case DW_AT_import:
3284 {
bcd213b2
NC		 3285 unsigned long abbrev_number;
3286 abbrev_entry *entry;
2b6f5997 3287
bcd213b2
NC		 3288 entry = get_type_abbrev_from_form (form, uvalue, cu_offset,
3289 section, & abbrev_number, NULL, NULL);
3290 if (entry == NULL)
3291 {
3292 if (form != DW_FORM_GNU_ref_alt)
3293 warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset 0x%lx is too big.\n"),
3294 dwarf_vmatoa ("x", uvalue),
3295 (unsigned long) (orig_data - section->start));
3296 }
6e3d6dc1
NC		 3297 else
3298 {
2e9e81a8 3299 printf (_("\t[Abbrev Number: %ld"), abbrev_number);
bcd213b2 3300 printf (" (%s)", get_TAG_name (entry->tag));
6e3d6dc1
NC		 3301 printf ("]");
3302 }
ec4d4525
NC		 3303 }
3304 break;
3305
19e6b90e
L		 3306 default:
3307 break;
3308 }
3309
3310 return data;
3311}
3312
19e6b90e 3313static unsigned char *
dda8d76d
NC		 3314read_and_display_attr (unsigned long attribute,
3315 unsigned long form,
3316 dwarf_signed_vma implicit_const,
ec1b0fbb 3317 unsigned char * start,
dda8d76d
NC		 3318 unsigned char * data,
3319 unsigned char * end,
3320 dwarf_vma cu_offset,
3321 dwarf_vma pointer_size,
3322 dwarf_vma offset_size,
3323 int dwarf_version,
3324 debug_info * debug_info_p,
3325 int do_loc,
3326 struct dwarf_section * section,
ec1b0fbb
NC		 3327 struct cu_tu_set * this_set,
3328 int level)
19e6b90e
L		 3329{
3330 if (!do_loc)
750f03b7 3331 printf (" %-18s:", get_AT_name (attribute));
ec1b0fbb
NC		 3332 data = read_and_display_attr_value (attribute, form, implicit_const,
3333 start, data, end,
f6f0e17b 3334 cu_offset, pointer_size, offset_size,
19e6b90e 3335 dwarf_version, debug_info_p,
ec1b0fbb 3336 do_loc, section, this_set, ' ', level);
19e6b90e
L		 3337 if (!do_loc)
3338 printf ("\n");
3339 return data;
3340}
3341
dda8d76d 3342/* Like load_debug_section, but if the ordinary call fails, and we are
24841daa
NC		 3343 following debug links, then attempt to load the requested section
3344 from one of the separate debug info files. */
dda8d76d 3345
015dc7e1 3346static bool
dda8d76d 3347load_debug_section_with_follow (enum dwarf_section_display_enum sec_enum,
24841daa 3348 void * handle)
dda8d76d 3349{
24841daa 3350 if (load_debug_section (sec_enum, handle))
dda8d76d 3351 {
24841daa
NC		 3352 if (debug_displays[sec_enum].section.filename == NULL)
3353 {
3354 /* See if we can associate a filename with this section. */
3355 separate_info * i;
3356
3357 for (i = first_separate_info; i != NULL; i = i->next)
3358 if (i->handle == handle)
3359 {
3360 debug_displays[sec_enum].section.filename = i->filename;
3361 break;
3362 }
3363 }
3364
015dc7e1 3365 return true;
dda8d76d
NC		 3366 }
3367
24841daa
NC		 3368 if (do_follow_links)
3369 {
3370 separate_info * i;
3371
3372 for (i = first_separate_info; i != NULL; i = i->next)
3373 {
3374 if (load_debug_section (sec_enum, i->handle))
3375 {
3376 debug_displays[sec_enum].section.filename = i->filename;
3377
3378 /* FIXME: We should check to see if any of the remaining debug info
3379 files also contain this section, and, umm, do something about it. */
015dc7e1 3380 return true;
24841daa
NC		 3381 }
3382 }
3383 }
dda8d76d 3384
015dc7e1 3385 return false;
dda8d76d
NC		 3386}
3387
3388static void
015dc7e1 3389introduce (struct dwarf_section * section, bool raw)
dda8d76d
NC		 3390{
3391 if (raw)
3392 {
3393 if (do_follow_links && section->filename)
3394 printf (_("Raw dump of debug contents of section %s (loaded from %s):\n\n"),
3395 section->name, section->filename);
3396 else
3397 printf (_("Raw dump of debug contents of section %s:\n\n"), section->name);
3398 }
3399 else
3400 {
3401 if (do_follow_links && section->filename)
3402 printf (_("Contents of the %s section (loaded from %s):\n\n"),
3403 section->name, section->filename);
3404 else
3405 printf (_("Contents of the %s section:\n\n"), section->name);
3406 }
3407}
521d4b19 3408
d85bf2ba
NC		 3409/* Process the contents of a .debug_info section.
3410 If do_loc is TRUE then we are scanning for location lists and dwo tags
3411 and we do not want to display anything to the user.
3412 If do_types is TRUE, we are processing a .debug_types section instead of
3413 a .debug_info section.
3414 The information displayed is restricted by the values in DWARF_START_DIE
3415 and DWARF_CUTOFF_LEVEL.
3416 Returns TRUE upon success. Otherwise an error or warning message is
3417 printed and FALSE is returned. */
19e6b90e 3418
015dc7e1
AM		 3419static bool
3420process_debug_info (struct dwarf_section * section,
3421 void *file,
3422 enum dwarf_section_display_enum abbrev_sec,
3423 bool do_loc,
3424 bool do_types)
19e6b90e
L		 3425{
3426 unsigned char *start = section->start;
3427 unsigned char *end = start + section->size;
3428 unsigned char *section_begin;
3429 unsigned int unit;
3430 unsigned int num_units = 0;
3431
edba4e4a
AM		 3432 /* First scan the section to get the number of comp units.
3433 Length sanity checks are done here. */
3434 for (section_begin = start, num_units = 0; section_begin < end;
3435 num_units ++)
19e6b90e 3436 {
767221a9 3437 dwarf_vma length;
19e6b90e 3438
edba4e4a
AM		 3439 /* Read the first 4 bytes. For a 32-bit DWARF section, this
3440 will be the length. For a 64-bit DWARF section, it'll be
3441 the escape code 0xffffffff followed by an 8 byte length. */
3442 SAFE_BYTE_GET_AND_INC (length, section_begin, 4, end);
aca88567 3443
edba4e4a
AM		 3444 if (length == 0xffffffff)
3445 SAFE_BYTE_GET_AND_INC (length, section_begin, 8, end);
3446 else if (length >= 0xfffffff0 && length < 0xffffffff)
3447 {
3448 warn (_("Reserved length value (0x%s) found in section %s\n"),
3449 dwarf_vmatoa ("x", length), section->name);
3450 return false;
19e6b90e
L		 3451 }
3452
edba4e4a
AM		 3453 /* Negative values are illegal, they may even cause infinite
3454 looping. This can happen if we can't accurately apply
3455 relocations to an object file, or if the file is corrupt. */
3456 if (length > (size_t) (end - section_begin))
19e6b90e 3457 {
edba4e4a
AM		 3458 warn (_("Corrupt unit length (0x%s) found in section %s\n"),
3459 dwarf_vmatoa ("x", length), section->name);
015dc7e1 3460 return false;
19e6b90e 3461 }
edba4e4a
AM		 3462 section_begin += length;
3463 }
3464
3465 if (num_units == 0)
3466 {
3467 error (_("No comp units in %s section ?\n"), section->name);
3468 return false;
3469 }
3470
3471 if ((do_loc || do_debug_loc || do_debug_ranges)
3472 && num_debug_info_entries == 0
3473 && ! do_types)
3474 {
19e6b90e
L		 3475
3476 /* Then allocate an array to hold the information. */
3f5e193b 3477 debug_information = (debug_info *) cmalloc (num_units,
1306a742 3478 sizeof (* debug_information));
19e6b90e
L		 3479 if (debug_information == NULL)
3480 {
f41e4712 3481 error (_("Not enough memory for a debug info array of %u entries\n"),
19e6b90e 3482 num_units);
82b1b41b 3483 alloc_num_debug_info_entries = num_debug_info_entries = 0;
015dc7e1 3484 return false;
19e6b90e 3485 }
d85bf2ba 3486
03a91817
NC		 3487 /* PR 17531: file: 92ca3797.
3488 We cannot rely upon the debug_information array being initialised
3489 before it is used. A corrupt file could easily contain references
3490 to a unit for which information has not been made available. So
3491 we ensure that the array is zeroed here. */
b4eb7656
AM		 3492 memset (debug_information, 0, num_units * sizeof (*debug_information));
3493
82b1b41b 3494 alloc_num_debug_info_entries = num_units;
19e6b90e
L		 3495 }
3496
3497 if (!do_loc)
3498 {
dda8d76d
NC		 3499 load_debug_section_with_follow (str, file);
3500 load_debug_section_with_follow (line_str, file);
3501 load_debug_section_with_follow (str_dwo, file);
3502 load_debug_section_with_follow (str_index, file);
3503 load_debug_section_with_follow (str_index_dwo, file);
3504 load_debug_section_with_follow (debug_addr, file);
19e6b90e 3505 }
521d4b19 3506
dda8d76d 3507 load_debug_section_with_follow (abbrev_sec, file);
6f875884 3508 if (debug_displays [abbrev_sec].section.start == NULL)
19e6b90e
L		 3509 {
3510 warn (_("Unable to locate %s section!\n"),
dda8d76d 3511 debug_displays [abbrev_sec].section.uncompressed_name);
015dc7e1 3512 return false;
19e6b90e
L		 3513 }
3514
dda8d76d 3515 if (!do_loc && dwarf_start_die == 0)
015dc7e1 3516 introduce (section, false);
bcd213b2
NC		 3517
3518 free_all_abbrevs ();
3519 free (cu_abbrev_map);
3520 cu_abbrev_map = NULL;
3521 next_free_abbrev_map_entry = 0;
521d4b19 3522
bcd213b2
NC		 3523 /* In order to be able to resolve DW_FORM_ref_attr forms we need
3524 to load *all* of the abbrevs for all CUs in this .debug_info
3525 section. This does effectively mean that we (partially) read
3526 every CU header twice. */
3527 for (section_begin = start; start < end;)
3528 {
3529 DWARF2_Internal_CompUnit compunit;
3530 unsigned char * hdrptr;
76868f36
L		 3531 dwarf_vma abbrev_base;
3532 size_t abbrev_size;
bcd213b2
NC		 3533 dwarf_vma cu_offset;
3534 unsigned int offset_size;
bcd213b2
NC		 3535 struct cu_tu_set * this_set;
3536 abbrev_list * list;
edba4e4a 3537 unsigned char *end_cu;
bcd213b2
NC		 3538
3539 hdrptr = start;
edba4e4a 3540 cu_offset = start - section_begin;
bcd213b2
NC		 3541
3542 SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end);
3543
3544 if (compunit.cu_length == 0xffffffff)
3545 {
3546 SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end);
3547 offset_size = 8;
bcd213b2
NC		 3548 }
3549 else
edba4e4a
AM		 3550 offset_size = 4;
3551 end_cu = hdrptr + compunit.cu_length;
bcd213b2 3552
edba4e4a 3553 SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end_cu);
bcd213b2
NC		 3554
3555 this_set = find_cu_tu_set_v2 (cu_offset, do_types);
3556
3557 if (compunit.cu_version < 5)
3558 {
3559 compunit.cu_unit_type = DW_UT_compile;
3560 /* Initialize it due to a false compiler warning. */
3561 compunit.cu_pointer_size = -1;
3562 }
3563 else
3564 {
edba4e4a 3565 SAFE_BYTE_GET_AND_INC (compunit.cu_unit_type, hdrptr, 1, end_cu);
bcd213b2
NC		 3566 do_types = (compunit.cu_unit_type == DW_UT_type);
3567
edba4e4a 3568 SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end_cu);
bcd213b2
NC		 3569 }
3570
edba4e4a
AM		 3571 SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size,
3572 end_cu);
bcd213b2 3573
9b87f84a
TV		 3574 if (compunit.cu_unit_type == DW_UT_split_compile
3575 || compunit.cu_unit_type == DW_UT_skeleton)
3576 {
3577 uint64_t dwo_id;
edba4e4a 3578 SAFE_BYTE_GET_AND_INC (dwo_id, hdrptr, 8, end_cu);
9b87f84a
TV		 3579 }
3580
76868f36
L		 3581 if (this_set == NULL)
3582 {
3583 abbrev_base = 0;
3584 abbrev_size = debug_displays [abbrev_sec].section.size;
3585 }
3586 else
3587 {
3588 abbrev_base = this_set->section_offsets [DW_SECT_ABBREV];
3589 abbrev_size = this_set->section_sizes [DW_SECT_ABBREV];
3590 }
3591
3592 list = find_abbrev_list_by_abbrev_offset (abbrev_base,
3593 compunit.cu_abbrev_offset);
bcd213b2
NC		 3594 if (list == NULL)
3595 {
bcd213b2
NC		 3596 unsigned char * next;
3597
76868f36
L		 3598 list = new_abbrev_list (abbrev_base,
3599 compunit.cu_abbrev_offset);
f2f9554b
AM		 3600 next = process_abbrev_set (&debug_displays[abbrev_sec].section,
3601 abbrev_base, abbrev_size,
3602 compunit.cu_abbrev_offset, list);
bcd213b2
NC		 3603 list->start_of_next_abbrevs = next;
3604 }
521d4b19 3605
edba4e4a 3606 start = end_cu;
bcd213b2
NC		 3607 record_abbrev_list_for_cu (cu_offset, start - section_begin, list);
3608 }
3609
3610 for (start = section_begin, unit = 0; start < end; unit++)
19e6b90e
L		 3611 {
3612 DWARF2_Internal_CompUnit compunit;
3613 unsigned char *hdrptr;
19e6b90e 3614 unsigned char *tags;
fd2f0033 3615 int level, last_level, saved_level;
467c65bc 3616 dwarf_vma cu_offset;
bf5117e3 3617 unsigned int offset_size;
af2ddf69 3618 dwarf_vma signature = 0;
767221a9 3619 dwarf_vma type_offset = 0;
341f9135
CC		 3620 struct cu_tu_set *this_set;
3621 dwarf_vma abbrev_base;
3622 size_t abbrev_size;
bcd213b2 3623 abbrev_list * list = NULL;
edba4e4a 3624 unsigned char *end_cu;
19e6b90e
L		 3625
3626 hdrptr = start;
edba4e4a 3627 cu_offset = start - section_begin;
19e6b90e 3628
0c588247 3629 SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end);
19e6b90e
L		 3630
3631 if (compunit.cu_length == 0xffffffff)
3632 {
0c588247 3633 SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end);
19e6b90e 3634 offset_size = 8;
19e6b90e
L		 3635 }
3636 else
edba4e4a
AM		 3637 offset_size = 4;
3638 end_cu = hdrptr + compunit.cu_length;
19e6b90e 3639
edba4e4a 3640 SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end_cu);
19e6b90e 3641
341f9135
CC		 3642 this_set = find_cu_tu_set_v2 (cu_offset, do_types);
3643
77145576
JK		 3644 if (compunit.cu_version < 5)
3645 {
3646 compunit.cu_unit_type = DW_UT_compile;
3647 /* Initialize it due to a false compiler warning. */
3648 compunit.cu_pointer_size = -1;
3649 }
3650 else
3651 {
edba4e4a 3652 SAFE_BYTE_GET_AND_INC (compunit.cu_unit_type, hdrptr, 1, end_cu);
77145576
JK		 3653 do_types = (compunit.cu_unit_type == DW_UT_type);
3654
edba4e4a 3655 SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end_cu);
77145576
JK		 3656 }
3657
edba4e4a 3658 SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end_cu);
19e6b90e 3659
341f9135
CC		 3660 if (this_set == NULL)
3661 {
3662 abbrev_base = 0;
3663 abbrev_size = debug_displays [abbrev_sec].section.size;
3664 }
3665 else
3666 {
3667 abbrev_base = this_set->section_offsets [DW_SECT_ABBREV];
3668 abbrev_size = this_set->section_sizes [DW_SECT_ABBREV];
3669 }
3670
77145576 3671 if (compunit.cu_version < 5)
edba4e4a 3672 SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end_cu);
77145576 3673
015dc7e1 3674 bool do_dwo_id = false;
e6ca1878 3675 uint64_t dwo_id = 0;
9b87f84a
TV		 3676 if (compunit.cu_unit_type == DW_UT_split_compile
3677 || compunit.cu_unit_type == DW_UT_skeleton)
3678 {
edba4e4a 3679 SAFE_BYTE_GET_AND_INC (dwo_id, hdrptr, 8, end_cu);
015dc7e1 3680 do_dwo_id = true;
9b87f84a
TV		 3681 }
3682
f41e4712
NC		 3683 /* PR 17512: file: 001-108546-0.001:0.1. */
3684 if (compunit.cu_pointer_size < 2 || compunit.cu_pointer_size > 8)
3685 {
3686 warn (_("Invalid pointer size (%d) in compunit header, using %d instead\n"),
3687 compunit.cu_pointer_size, offset_size);
3688 compunit.cu_pointer_size = offset_size;
3689 }
2b6f5997
CC		 3690
3691 if (do_types)
b4eb7656 3692 {
edba4e4a
AM		 3693 SAFE_BYTE_GET_AND_INC (signature, hdrptr, 8, end_cu);
3694 SAFE_BYTE_GET_AND_INC (type_offset, hdrptr, offset_size, end_cu);
b4eb7656 3695 }
2b6f5997 3696
edba4e4a 3697 if (dwarf_start_die >= (size_t) (end_cu - section_begin))
ae7e7825 3698 {
edba4e4a 3699 start = end_cu;
ae7e7825
NC		 3700 continue;
3701 }
3702
19e6b90e 3703 if ((do_loc || do_debug_loc || do_debug_ranges)
2b6f5997 3704 && num_debug_info_entries == 0
c4b2f181 3705 && alloc_num_debug_info_entries > unit
2b6f5997 3706 && ! do_types)
19e6b90e
L		 3707 {
3708 debug_information [unit].cu_offset = cu_offset;
3709 debug_information [unit].pointer_size
3710 = compunit.cu_pointer_size;
b7807392
JJ		 3711 debug_information [unit].offset_size = offset_size;
3712 debug_information [unit].dwarf_version = compunit.cu_version;
19e6b90e 3713 debug_information [unit].base_address = 0;
4723351a
CC		 3714 debug_information [unit].addr_base = DEBUG_INFO_UNAVAILABLE;
3715 debug_information [unit].ranges_base = DEBUG_INFO_UNAVAILABLE;
19e6b90e
L		 3716 debug_information [unit].loc_offsets = NULL;
3717 debug_information [unit].have_frame_base = NULL;
3718 debug_information [unit].max_loc_offsets = 0;
3719 debug_information [unit].num_loc_offsets = 0;
3720 debug_information [unit].range_lists = NULL;
3721 debug_information [unit].max_range_lists= 0;
3722 debug_information [unit].num_range_lists = 0;
3723 }
3724
fd2f0033 3725 if (!do_loc && dwarf_start_die == 0)
19e6b90e 3726 {
47704ddf
KT		 3727 printf (_(" Compilation Unit @ offset 0x%s:\n"),
3728 dwarf_vmatoa ("x", cu_offset));
3729 printf (_(" Length: 0x%s (%s)\n"),
3730 dwarf_vmatoa ("x", compunit.cu_length),
49e7b350 3731 offset_size == 8 ? "64-bit" : "32-bit");
19e6b90e 3732 printf (_(" Version: %d\n"), compunit.cu_version);
debd1a62 3733 if (compunit.cu_version >= 5)
4896932e
MF		 3734 {
3735 const char *name = get_DW_UT_name (compunit.cu_unit_type);
3736
3737 printf (_(" Unit Type: %s (%x)\n"),
3738 name ? name : "???",
3739 compunit.cu_unit_type);
3740 }
7282333f
AM		 3741 printf (_(" Abbrev Offset: 0x%s\n"),
3742 dwarf_vmatoa ("x", compunit.cu_abbrev_offset));
19e6b90e 3743 printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
2b6f5997
CC		 3744 if (do_types)
3745 {
74bc6052 3746 printf (_(" Signature: 0x%s\n"),
af2ddf69 3747 dwarf_vmatoa ("x", signature));
74bc6052
CC		 3748 printf (_(" Type Offset: 0x%s\n"),
3749 dwarf_vmatoa ("x", type_offset));
2b6f5997 3750 }
d60f7998
TV		 3751 if (do_dwo_id)
3752 printf (_(" DWO ID: 0x%s\n"), dwarf_vmatoa ("x", dwo_id));
341f9135
CC		 3753 if (this_set != NULL)
3754 {
3755 dwarf_vma *offsets = this_set->section_offsets;
3756 size_t *sizes = this_set->section_sizes;
3757
3758 printf (_(" Section contributions:\n"));
3759 printf (_(" .debug_abbrev.dwo: 0x%s 0x%s\n"),
3760 dwarf_vmatoa ("x", offsets [DW_SECT_ABBREV]),
3761 dwarf_vmatoa ("x", sizes [DW_SECT_ABBREV]));
3762 printf (_(" .debug_line.dwo: 0x%s 0x%s\n"),
3763 dwarf_vmatoa ("x", offsets [DW_SECT_LINE]),
3764 dwarf_vmatoa ("x", sizes [DW_SECT_LINE]));
3765 printf (_(" .debug_loc.dwo: 0x%s 0x%s\n"),
3766 dwarf_vmatoa ("x", offsets [DW_SECT_LOC]),
3767 dwarf_vmatoa ("x", sizes [DW_SECT_LOC]));
3768 printf (_(" .debug_str_offsets.dwo: 0x%s 0x%s\n"),
3769 dwarf_vmatoa ("x", offsets [DW_SECT_STR_OFFSETS]),
3770 dwarf_vmatoa ("x", sizes [DW_SECT_STR_OFFSETS]));
3771 }
19e6b90e
L		 3772 }
3773
460c89ff 3774 tags = hdrptr;
edba4e4a 3775 start = end_cu;
460c89ff 3776
77145576 3777 if (compunit.cu_version < 2 || compunit.cu_version > 5)
19e6b90e 3778 {
47704ddf
KT		 3779 warn (_("CU at offset %s contains corrupt or "
3780 "unsupported version number: %d.\n"),
3781 dwarf_vmatoa ("x", cu_offset), compunit.cu_version);
19e6b90e
L		 3782 continue;
3783 }
3784
77145576 3785 if (compunit.cu_unit_type != DW_UT_compile
ec47b32a 3786 && compunit.cu_unit_type != DW_UT_partial
9b87f84a
TV		 3787 && compunit.cu_unit_type != DW_UT_type
3788 && compunit.cu_unit_type != DW_UT_split_compile
3789 && compunit.cu_unit_type != DW_UT_skeleton)
77145576
JK		 3790 {
3791 warn (_("CU at offset %s contains corrupt or "
3792 "unsupported unit type: %d.\n"),
3793 dwarf_vmatoa ("x", cu_offset), compunit.cu_unit_type);
3794 continue;
3795 }
3796
d493b283 3797 /* Process the abbrevs used by this compilation unit. */
f2f9554b
AM		 3798 list = find_abbrev_list_by_abbrev_offset (abbrev_base,
3799 compunit.cu_abbrev_offset);
3800 if (list == NULL)
bcd213b2 3801 {
f2f9554b
AM		 3802 unsigned char *next;
3803
3804 list = new_abbrev_list (abbrev_base,
3805 compunit.cu_abbrev_offset);
3806 next = process_abbrev_set (&debug_displays[abbrev_sec].section,
3807 abbrev_base, abbrev_size,
3808 compunit.cu_abbrev_offset, list);
3809 list->start_of_next_abbrevs = next;
bcd213b2 3810 }
19e6b90e
L		 3811
3812 level = 0;
fd2f0033
TT		 3813 last_level = level;
3814 saved_level = -1;
19e6b90e
L		 3815 while (tags < start)
3816 {
19e6b90e 3817 unsigned long abbrev_number;
ec4d4525 3818 unsigned long die_offset;
19e6b90e
L		 3819 abbrev_entry *entry;
3820 abbrev_attr *attr;
fd2f0033 3821 int do_printing = 1;
19e6b90e 3822
ec4d4525
NC		 3823 die_offset = tags - section_begin;
3824
cd30bcef 3825 READ_ULEB (abbrev_number, tags, start);
19e6b90e 3826
eb7cc021
JK		 3827 /* A null DIE marks the end of a list of siblings or it may also be
3828 a section padding. */
19e6b90e
L		 3829 if (abbrev_number == 0)
3830 {
eb7cc021
JK		 3831 /* Check if it can be a section padding for the last CU. */
3832 if (level == 0 && start == end)
3833 {
3834 unsigned char *chk;
3835
3836 for (chk = tags; chk < start; chk++)
3837 if (*chk != 0)
3838 break;
3839 if (chk == start)
3840 break;
3841 }
3842
4337774f
TT		 3843 if (!do_loc && die_offset >= dwarf_start_die
3844 && (dwarf_cutoff_level == -1
3845 || level < dwarf_cutoff_level))
399c99f7
L		 3846 printf (_(" <%d><%lx>: Abbrev Number: 0\n"),
3847 level, die_offset);
3848
19e6b90e 3849 --level;
ec4d4525
NC		 3850 if (level < 0)
3851 {
3852 static unsigned num_bogus_warns = 0;
3853
3854 if (num_bogus_warns < 3)
3855 {
4723351a
CC		 3856 warn (_("Bogus end-of-siblings marker detected at offset %lx in %s section\n"),
3857 die_offset, section->name);
ec4d4525
NC		 3858 num_bogus_warns ++;
3859 if (num_bogus_warns == 3)
3860 warn (_("Further warnings about bogus end-of-sibling markers suppressed\n"));
3861 }
3862 }
fd2f0033 3863 if (dwarf_start_die != 0 && level < saved_level)
015dc7e1 3864 return true;
19e6b90e
L		 3865 continue;
3866 }
3867
4b78141a 3868 if (!do_loc)
fd2f0033
TT		 3869 {
3870 if (dwarf_start_die != 0 && die_offset < dwarf_start_die)
3871 do_printing = 0;
3872 else
3873 {
3874 if (dwarf_start_die != 0 && die_offset == dwarf_start_die)
3875 saved_level = level;
3876 do_printing = (dwarf_cutoff_level == -1
3877 || level < dwarf_cutoff_level);
3878 if (do_printing)
3879 printf (_(" <%d><%lx>: Abbrev Number: %lu"),
3880 level, die_offset, abbrev_number);
3881 else if (dwarf_cutoff_level == -1
3882 || last_level < dwarf_cutoff_level)
3883 printf (_(" <%d><%lx>: ...\n"), level, die_offset);
3884 last_level = level;
3885 }
3886 }
cecf136e 3887
19e6b90e
L		 3888 /* Scan through the abbreviation list until we reach the
3889 correct entry. */
bcd213b2 3890 if (list == NULL)
19e6b90e
L		 3891 continue;
3892
bcd213b2
NC		 3893 for (entry = list->first_abbrev; entry != NULL; entry = entry->next)
3894 if (entry->number == abbrev_number)
3895 break;
3896
19e6b90e
L		 3897 if (entry == NULL)
3898 {
fd2f0033 3899 if (!do_loc && do_printing)
4b78141a
NC		 3900 {
3901 printf ("\n");
3902 fflush (stdout);
3903 }
f3853b34 3904 warn (_("DIE at offset 0x%lx refers to abbreviation number %lu which does not exist\n"),
cc86f28f 3905 die_offset, abbrev_number);
015dc7e1 3906 return false;
19e6b90e
L		 3907 }
3908
fd2f0033 3909 if (!do_loc && do_printing)
cc5914eb 3910 printf (" (%s)\n", get_TAG_name (entry->tag));
cecf136e 3911
19e6b90e
L		 3912 switch (entry->tag)
3913 {
3914 default:
3915 need_base_address = 0;
3916 break;
3917 case DW_TAG_compile_unit:
d85bf2ba
NC		 3918 need_base_address = 1;
3919 need_dwo_info = do_loc;
19e6b90e
L		 3920 break;
3921 case DW_TAG_entry_point:
19e6b90e
L		 3922 case DW_TAG_subprogram:
3923 need_base_address = 0;
3924 /* Assuming that there is no DW_AT_frame_base. */
3925 have_frame_base = 0;
3926 break;
3927 }
3928
9f272209
AO		 3929 debug_info *debug_info_p =
3930 (debug_information && unit < alloc_num_debug_info_entries)
3931 ? debug_information + unit : NULL;
3932
3933 assert (!debug_info_p
3934 || (debug_info_p->num_loc_offsets
3935 == debug_info_p->num_loc_views));
3936
399c99f7
L		 3937 for (attr = entry->first_attr;
3938 attr && attr->attribute;
3939 attr = attr->next)
4b78141a 3940 {
fd2f0033 3941 if (! do_loc && do_printing)
4b78141a 3942 /* Show the offset from where the tag was extracted. */
fd2f0033 3943 printf (" <%lx>", (unsigned long)(tags - section_begin));
4b78141a
NC		 3944 tags = read_and_display_attr (attr->attribute,
3945 attr->form,
77145576 3946 attr->implicit_const,
ec1b0fbb 3947 section_begin,
341f9135 3948 tags,
edba4e4a 3949 start,
341f9135 3950 cu_offset,
4b78141a
NC		 3951 compunit.cu_pointer_size,
3952 offset_size,
3953 compunit.cu_version,
9f272209 3954 debug_info_p,
341f9135
CC		 3955 do_loc || ! do_printing,
3956 section,
ec1b0fbb
NC		 3957 this_set,
3958 level);
4b78141a 3959 }
cecf136e 3960
9f272209
AO		 3961 /* If a locview attribute appears before a location one,
3962 make sure we don't associate it with an earlier
3963 loclist. */
3964 if (debug_info_p)
3965 switch (debug_info_p->num_loc_offsets - debug_info_p->num_loc_views)
3966 {
3967 case 1:
3968 debug_info_p->loc_views [debug_info_p->num_loc_views] = vm1;
3969 debug_info_p->num_loc_views++;
3970 assert (debug_info_p->num_loc_views
3971 == debug_info_p->num_loc_offsets);
3972 break;
3973
3974 case 0:
3975 break;
3976
3977 case -1:
3978 warn(_("DIE has locviews without loclist\n"));
3979 debug_info_p->num_loc_views--;
3980 break;
3981
3982 default:
3983 assert (0);
3984 }
3985
b4eb7656
AM		 3986 if (entry->children)
3987 ++level;
3988 }
19e6b90e 3989 }
cecf136e 3990
19e6b90e
L		 3991 /* Set num_debug_info_entries here so that it can be used to check if
3992 we need to process .debug_loc and .debug_ranges sections. */
3993 if ((do_loc || do_debug_loc || do_debug_ranges)
2b6f5997
CC		 3994 && num_debug_info_entries == 0
3995 && ! do_types)
82b1b41b 3996 {
b4eb7656 3997 if (num_units > alloc_num_debug_info_entries)
82b1b41b
NC		 3998 num_debug_info_entries = alloc_num_debug_info_entries;
3999 else
4000 num_debug_info_entries = num_units;
4001 }
cecf136e 4002
19e6b90e 4003 if (!do_loc)
467c65bc 4004 printf ("\n");
cecf136e 4005
015dc7e1 4006 return true;
19e6b90e
L		 4007}
4008
4009/* Locate and scan the .debug_info section in the file and record the pointer
4010 sizes and offsets for the compilation units in it. Usually an executable
4011 will have just one pointer size, but this is not guaranteed, and so we try
4012 not to make any assumptions. Returns zero upon failure, or the number of
4013 compilation units upon success. */
4014
4015static unsigned int
4016load_debug_info (void * file)
4017{
1febe64d 4018 /* If we have already tried and failed to load the .debug_info
657d0d47 4019 section then do not bother to repeat the task. */
cc86f28f 4020 if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE)
1febe64d
NC		 4021 return 0;
4022
19e6b90e
L		 4023 /* If we already have the information there is nothing else to do. */
4024 if (num_debug_info_entries > 0)
4025 return num_debug_info_entries;
4026
341f9135 4027 /* If this is a DWARF package file, load the CU and TU indexes. */
43a444f9 4028 (void) load_cu_tu_indexes (file);
341f9135 4029
dda8d76d 4030 if (load_debug_section_with_follow (info, file)
015dc7e1 4031 && process_debug_info (&debug_displays [info].section, file, abbrev, true, false))
19e6b90e 4032 return num_debug_info_entries;
82b1b41b 4033
dda8d76d 4034 if (load_debug_section_with_follow (info_dwo, file)
82b1b41b 4035 && process_debug_info (&debug_displays [info_dwo].section, file,
015dc7e1 4036 abbrev_dwo, true, false))
4723351a 4037 return num_debug_info_entries;
1febe64d 4038
cc86f28f 4039 num_debug_info_entries = DEBUG_INFO_UNAVAILABLE;
1febe64d 4040 return 0;
19e6b90e
L		 4041}
4042
b40bf0a2
NC		 4043/* Read a DWARF .debug_line section header starting at DATA.
4044 Upon success returns an updated DATA pointer and the LINFO
4045 structure and the END_OF_SEQUENCE pointer will be filled in.
4046 Otherwise returns NULL. */
19e6b90e 4047
b40bf0a2
NC		 4048static unsigned char *
4049read_debug_line_header (struct dwarf_section * section,
4050 unsigned char * data,
4051 unsigned char * end,
4052 DWARF2_Internal_LineInfo * linfo,
4053 unsigned char ** end_of_sequence)
4054{
4055 unsigned char *hdrptr;
19e6b90e 4056
b40bf0a2
NC		 4057 /* Extract information from the Line Number Program Header.
4058 (section 6.2.4 in the Dwarf3 doc). */
6937bb54 4059 hdrptr = data;
19e6b90e 4060
b40bf0a2
NC		 4061 /* Get and check the length of the block. */
4062 SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 4, end);
19e6b90e 4063
b40bf0a2 4064 if (linfo->li_length == 0xffffffff)
f41e4712
NC		 4065 {
4066 /* This section is 64-bit DWARF 3. */
b40bf0a2 4067 SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end);
77145576 4068 linfo->li_offset_size = 8;
f41e4712
NC		 4069 }
4070 else
37195e23 4071 linfo->li_offset_size = 4;
19e6b90e 4072
37195e23 4073 if (linfo->li_length > (size_t) (end - hdrptr))
f41e4712 4074 {
8fcc61b4
NC		 4075 /* If the length field has a relocation against it, then we should
4076 not complain if it is inaccurate (and probably negative). This
4077 happens in object files when the .debug_line section is actually
4078 comprised of several different .debug_line.* sections, (some of
4079 which may be removed by linker garbage collection), and a relocation
4080 is used to compute the correct length once that is done. */
77145576 4081 if (reloc_at (section, (hdrptr - section->start) - linfo->li_offset_size))
b40bf0a2 4082 {
37195e23 4083 linfo->li_length = end - hdrptr;
b40bf0a2
NC		 4084 }
4085 else
4086 {
8fcc61b4
NC		 4087 warn (_("The length field (0x%lx) in the debug_line header is wrong - the section is too small\n"),
4088 (long) linfo->li_length);
b40bf0a2
NC		 4089 return NULL;
4090 }
f41e4712 4091 }
37195e23 4092 end = hdrptr + linfo->li_length;
19e6b90e 4093
b40bf0a2
NC		 4094 /* Get and check the version number. */
4095 SAFE_BYTE_GET_AND_INC (linfo->li_version, hdrptr, 2, end);
4096
4097 if (linfo->li_version != 2
4098 && linfo->li_version != 3
77145576
JK		 4099 && linfo->li_version != 4
4100 && linfo->li_version != 5)
f41e4712 4101 {
77145576
JK		 4102 warn (_("Only DWARF version 2, 3, 4 and 5 line info "
4103 "is currently supported.\n"));
b40bf0a2 4104 return NULL;
f41e4712 4105 }
19e6b90e 4106
77145576
JK		 4107 if (linfo->li_version >= 5)
4108 {
5496f3c6 4109 SAFE_BYTE_GET_AND_INC (linfo->li_address_size, hdrptr, 1, end);
77145576 4110
5496f3c6
NC		 4111 SAFE_BYTE_GET_AND_INC (linfo->li_segment_size, hdrptr, 1, end);
4112 if (linfo->li_segment_size != 0)
77145576
JK		 4113 {
4114 warn (_("The %s section contains "
4115 "unsupported segment selector size: %d.\n"),
5496f3c6
NC		 4116 section->name, linfo->li_segment_size);
4117 return NULL;
77145576
JK		 4118 }
4119 }
4120
4121 SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr,
4122 linfo->li_offset_size, end);
b40bf0a2 4123 SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end);
0c588247 4124
b40bf0a2 4125 if (linfo->li_version >= 4)
f41e4712 4126 {
b40bf0a2 4127 SAFE_BYTE_GET_AND_INC (linfo->li_max_ops_per_insn, hdrptr, 1, end);
0c588247 4128
b40bf0a2 4129 if (linfo->li_max_ops_per_insn == 0)
f41e4712
NC		 4130 {
4131 warn (_("Invalid maximum operations per insn.\n"));
b40bf0a2 4132 return NULL;
a233b20c 4133 }
f41e4712
NC		 4134 }
4135 else
b40bf0a2 4136 linfo->li_max_ops_per_insn = 1;
0c588247 4137
b40bf0a2 4138 SAFE_BYTE_GET_AND_INC (linfo->li_default_is_stmt, hdrptr, 1, end);
65879393 4139 SAFE_SIGNED_BYTE_GET_AND_INC (linfo->li_line_base, hdrptr, 1, end);
b40bf0a2
NC		 4140 SAFE_BYTE_GET_AND_INC (linfo->li_line_range, hdrptr, 1, end);
4141 SAFE_BYTE_GET_AND_INC (linfo->li_opcode_base, hdrptr, 1, end);
19e6b90e 4142
37195e23 4143 *end_of_sequence = end;
b40bf0a2
NC		 4144 return hdrptr;
4145}
19e6b90e 4146
77145576 4147static unsigned char *
015dc7e1
AM		 4148display_formatted_table (unsigned char *data,
4149 unsigned char *start,
4150 unsigned char *end,
4151 const DWARF2_Internal_LineInfo *linfo,
4152 struct dwarf_section *section,
4153 bool is_dir)
77145576
JK		 4154{
4155 unsigned char *format_start, format_count, *format, formati;
4156 dwarf_vma data_count, datai;
cd30bcef 4157 unsigned int namepass, last_entry = 0;
5496f3c6 4158 const char * table_name = is_dir ? N_("Directory Table") : N_("File Name Table");
521d4b19 4159
77145576 4160 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
546cb2d8
NC		 4161 if (do_checks && format_count > 5)
4162 warn (_("Unexpectedly large number of columns in the %s (%u)\n"),
4163 table_name, format_count);
4164
77145576
JK		 4165 format_start = data;
4166 for (formati = 0; formati < format_count; formati++)
4167 {
cd30bcef
AM		 4168 SKIP_ULEB (data, end);
4169 SKIP_ULEB (data, end);
55b26492 4170 if (data >= end)
77145576 4171 {
5496f3c6 4172 warn (_("%s: Corrupt format description entry\n"), table_name);
77145576
JK		 4173 return data;
4174 }
4175 }
4176
cd30bcef 4177 READ_ULEB (data_count, data, end);
546cb2d8 4178 if (data_count == 0)
77145576 4179 {
546cb2d8 4180 printf (_("\n The %s is empty.\n"), table_name);
77145576
JK		 4181 return data;
4182 }
55b26492 4183 else if (data >= end)
77145576 4184 {
546cb2d8
NC		 4185 warn (_("%s: Corrupt entry count - expected %s but none found\n"),
4186 table_name, dwarf_vmatoa ("x", data_count));
77145576
JK		 4187 return data;
4188 }
546cb2d8 4189
5496f3c6
NC		 4190 else if (format_count == 0)
4191 {
4192 warn (_("%s: format count is zero, but the table is not empty\n"),
4193 table_name);
4194 return end;
4195 }
77145576 4196
5496f3c6
NC		 4197 printf (_("\n The %s (offset 0x%lx, lines %s, columns %u):\n"),
4198 table_name, (long) (data - start), dwarf_vmatoa ("u", data_count),
4199 format_count);
77145576
JK		 4200
4201 printf (_(" Entry"));
521d4b19 4202 /* Delay displaying name as the last entry for better screen layout. */
77145576
JK		 4203 for (namepass = 0; namepass < 2; namepass++)
4204 {
4205 format = format_start;
4206 for (formati = 0; formati < format_count; formati++)
4207 {
4208 dwarf_vma content_type;
4209
cd30bcef 4210 READ_ULEB (content_type, format, end);
77145576
JK		 4211 if ((content_type == DW_LNCT_path) == (namepass == 1))
4212 switch (content_type)
4213 {
4214 case DW_LNCT_path:
4215 printf (_("\tName"));
4216 break;
4217 case DW_LNCT_directory_index:
4218 printf (_("\tDir"));
4219 break;
4220 case DW_LNCT_timestamp:
4221 printf (_("\tTime"));
4222 break;
4223 case DW_LNCT_size:
4224 printf (_("\tSize"));
4225 break;
4226 case DW_LNCT_MD5:
5496f3c6 4227 printf (_("\tMD5\t\t\t"));
77145576
JK		 4228 break;
4229 default:
4230 printf (_("\t(Unknown format content type %s)"),
4231 dwarf_vmatoa ("u", content_type));
4232 }
cd30bcef 4233 SKIP_ULEB (format, end);
77145576
JK		 4234 }
4235 }
4236 putchar ('\n');
4237
4238 for (datai = 0; datai < data_count; datai++)
4239 {
4240 unsigned char *datapass = data;
4241
4242 printf (" %d", last_entry++);
521d4b19 4243 /* Delay displaying name as the last entry for better screen layout. */
77145576
JK		 4244 for (namepass = 0; namepass < 2; namepass++)
4245 {
4246 format = format_start;
4247 data = datapass;
4248 for (formati = 0; formati < format_count; formati++)
4249 {
4250 dwarf_vma content_type, form;
4251
cd30bcef
AM		 4252 READ_ULEB (content_type, format, end);
4253 READ_ULEB (form, format, end);
4254 data = read_and_display_attr_value (0, form, 0, start, data, end,
4255 0, 0, linfo->li_offset_size,
77145576
JK		 4256 linfo->li_version, NULL,
4257 ((content_type == DW_LNCT_path) != (namepass == 1)),
ec1b0fbb 4258 section, NULL, '\t', -1);
77145576
JK		 4259 }
4260 }
5496f3c6 4261
55b26492 4262 if (data >= end && (datai < data_count - 1))
77145576 4263 {
5496f3c6 4264 warn (_("\n%s: Corrupt entries list\n"), table_name);
77145576
JK		 4265 return data;
4266 }
4267 putchar ('\n');
4268 }
4269 return data;
4270}
4271
e38332c2
NC		 4272static int
4273display_debug_sup (struct dwarf_section * section,
4274 void * file ATTRIBUTE_UNUSED)
4275{
4276 unsigned char * start = section->start;
4277 unsigned char * end = section->start + section->size;
4278 unsigned int version;
4279 char is_supplementary;
4280 const unsigned char * sup_filename;
4281 size_t sup_filename_len;
4282 unsigned int num_read;
4283 int status;
4284 dwarf_vma checksum_len;
4285
4286
015dc7e1 4287 introduce (section, true);
e38332c2
NC		 4288 if (section->size < 4)
4289 {
4290 error (_("corrupt .debug_sup section: size is too small\n"));
4291 return 0;
4292 }
4293
4294 /* Read the data. */
4295 SAFE_BYTE_GET_AND_INC (version, start, 2, end);
4296 if (version < 5)
4297 warn (_("corrupt .debug_sup section: version < 5"));
4298
4299 SAFE_BYTE_GET_AND_INC (is_supplementary, start, 1, end);
4300 if (is_supplementary != 0 && is_supplementary != 1)
4301 warn (_("corrupt .debug_sup section: is_supplementary not 0 or 1\n"));
4302
4303 sup_filename = start;
4304 if (is_supplementary && sup_filename[0] != 0)
4305 warn (_("corrupt .debug_sup section: filename not empty in supplementary section\n"));
4306
4307 sup_filename_len = strnlen ((const char *) start, end - start);
4308 if (sup_filename_len == (size_t) (end - start))
4309 {
4310 error (_("corrupt .debug_sup section: filename is not NUL terminated\n"));
4311 return 0;
4312 }
4313 start += sup_filename_len + 1;
4314
015dc7e1 4315 checksum_len = read_leb128 (start, end, false /* unsigned */, & num_read, & status);
e38332c2
NC		 4316 if (status)
4317 {
4318 error (_("corrupt .debug_sup section: bad LEB128 field for checksum length\n"));
4319 checksum_len = 0;
4320 }
4321 start += num_read;
4322 if (checksum_len > (dwarf_vma) (end - start))
4323 {
4324 error (_("corrupt .debug_sup section: checksum length is longer than the remaining section length\n"));
4325 checksum_len = end - start;
4326 }
4327 else if (checksum_len < (dwarf_vma) (end - start))
4328 {
4329 warn (_("corrupt .debug_sup section: there are 0x%lx extra, unused bytes at the end of the section\n"),
4330 (long) ((end - start) - checksum_len));
4331 }
4332
4333 printf (_(" Version: %u\n"), version);
4334 printf (_(" Is Supp: %u\n"), is_supplementary);
4335 printf (_(" Filename: %s\n"), sup_filename);
4336 printf (_(" Checksum Len: %lu\n"), (long) checksum_len);
4337 if (checksum_len > 0)
4338 {
4339 printf (_(" Checksum: "));
4340 while (checksum_len--)
4341 printf ("0x%x ", * start++ );
4342 printf ("\n");
4343 }
4344 return 1;
4345}
4346
b40bf0a2 4347static int
dda8d76d
NC		 4348display_debug_lines_raw (struct dwarf_section * section,
4349 unsigned char * data,
4350 unsigned char * end,
4351 void * file)
b40bf0a2
NC		 4352{
4353 unsigned char *start = section->start;
ba8826a8 4354 int verbose_view = 0;
19e6b90e 4355
015dc7e1 4356 introduce (section, true);
19e6b90e 4357
b40bf0a2
NC		 4358 while (data < end)
4359 {
4360 static DWARF2_Internal_LineInfo saved_linfo;
4361 DWARF2_Internal_LineInfo linfo;
4362 unsigned char *standard_opcodes;
4363 unsigned char *end_of_sequence;
fe59e83d 4364 int i;
19e6b90e 4365
24d127aa 4366 if (startswith (section->name, ".debug_line.")
4925cdd7
NC		 4367 /* Note: the following does not apply to .debug_line.dwo sections.
4368 These are full debug_line sections. */
4369 && strcmp (section->name, ".debug_line.dwo") != 0)
19e6b90e 4370 {
b40bf0a2
NC		 4371 /* Sections named .debug_line.<foo> are fragments of a .debug_line
4372 section containing just the Line Number Statements. They are
4373 created by the assembler and intended to be used alongside gcc's
4374 -ffunction-sections command line option. When the linker's
4375 garbage collection decides to discard a .text.<foo> section it
4376 can then also discard the line number information in .debug_line.<foo>.
4377
4925cdd7 4378 Since the section is a fragment it does not have the details
b40bf0a2 4379 needed to fill out a LineInfo structure, so instead we use the
4925cdd7 4380 details from the last full debug_line section that we processed. */
b40bf0a2
NC		 4381 end_of_sequence = end;
4382 standard_opcodes = NULL;
4383 linfo = saved_linfo;
058037d3
NC		 4384 /* PR 17531: file: 0522b371. */
4385 if (linfo.li_line_range == 0)
4386 {
1306a742 4387 warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n"));
058037d3
NC		 4388 return 0;
4389 }
b40bf0a2 4390 reset_state_machine (linfo.li_default_is_stmt);
19e6b90e 4391 }
19e6b90e
L		 4392 else
4393 {
b40bf0a2 4394 unsigned char * hdrptr;
19e6b90e 4395
b40bf0a2
NC		 4396 if ((hdrptr = read_debug_line_header (section, data, end, & linfo,
4397 & end_of_sequence)) == NULL)
4398 return 0;
19e6b90e 4399
b40bf0a2
NC		 4400 printf (_(" Offset: 0x%lx\n"), (long)(data - start));
4401 printf (_(" Length: %ld\n"), (long) linfo.li_length);
4402 printf (_(" DWARF Version: %d\n"), linfo.li_version);
5496f3c6
NC		 4403 if (linfo.li_version >= 5)
4404 {
4405 printf (_(" Address size (bytes): %d\n"), linfo.li_address_size);
4406 printf (_(" Segment selector (bytes): %d\n"), linfo.li_segment_size);
4407 }
77ef8654 4408 printf (_(" Prologue Length: %d\n"), (int) linfo.li_prologue_length);
b40bf0a2
NC		 4409 printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length);
4410 if (linfo.li_version >= 4)
4411 printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn);
4412 printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt);
4413 printf (_(" Line Base: %d\n"), linfo.li_line_base);
4414 printf (_(" Line Range: %d\n"), linfo.li_line_range);
4415 printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base);
19e6b90e 4416
0a9d414a
NC		 4417 /* PR 17512: file: 1665-6428-0.004. */
4418 if (linfo.li_line_range == 0)
4419 {
4420 warn (_("Line range of 0 is invalid, using 1 instead\n"));
4421 linfo.li_line_range = 1;
4422 }
77ef8654 4423
b40bf0a2 4424 reset_state_machine (linfo.li_default_is_stmt);
19e6b90e 4425
b40bf0a2
NC		 4426 /* Display the contents of the Opcodes table. */
4427 standard_opcodes = hdrptr;
19e6b90e 4428
6937bb54
NC		 4429 /* PR 17512: file: 002-417945-0.004. */
4430 if (standard_opcodes + linfo.li_opcode_base >= end)
4431 {
4432 warn (_("Line Base extends beyond end of section\n"));
4433 return 0;
4434 }
4435
b40bf0a2 4436 printf (_("\n Opcodes:\n"));
19e6b90e 4437
b40bf0a2 4438 for (i = 1; i < linfo.li_opcode_base; i++)
d3a49aa8
AM		 4439 printf (ngettext (" Opcode %d has %d arg\n",
4440 " Opcode %d has %d args\n",
4441 standard_opcodes[i - 1]),
4442 i, standard_opcodes[i - 1]);
19e6b90e 4443
b40bf0a2
NC		 4444 /* Display the contents of the Directory table. */
4445 data = standard_opcodes + linfo.li_opcode_base - 1;
19e6b90e 4446
77145576 4447 if (linfo.li_version >= 5)
b40bf0a2 4448 {
dda8d76d 4449 load_debug_section_with_follow (line_str, file);
19e6b90e 4450
77145576 4451 data = display_formatted_table (data, start, end, &linfo, section,
015dc7e1 4452 true);
77145576 4453 data = display_formatted_table (data, start, end, &linfo, section,
015dc7e1 4454 false);
77145576
JK		 4455 }
4456 else
4457 {
4458 if (*data == 0)
4459 printf (_("\n The Directory Table is empty.\n"));
4460 else
a233b20c 4461 {
77145576 4462 unsigned int last_dir_entry = 0;
6937bb54 4463
77145576
JK		 4464 printf (_("\n The Directory Table (offset 0x%lx):\n"),
4465 (long)(data - start));
19e6b90e 4466
77145576
JK		 4467 while (data < end && *data != 0)
4468 {
4469 printf (" %d\t%.*s\n", ++last_dir_entry, (int) (end - data), data);
19e6b90e 4470
a7077ce7
AM		 4471 data += strnlen ((char *) data, end - data);
4472 if (data < end)
4473 data++;
77145576 4474 }
19e6b90e 4475
77145576
JK		 4476 /* PR 17512: file: 002-132094-0.004. */
4477 if (data >= end - 1)
4478 break;
4479 }
19e6b90e 4480
77145576 4481 /* Skip the NUL at the end of the table. */
a7077ce7
AM		 4482 if (data < end)
4483 data++;
19e6b90e 4484
77145576 4485 /* Display the contents of the File Name table. */
a7077ce7 4486 if (data >= end || *data == 0)
77145576
JK		 4487 printf (_("\n The File Name Table is empty.\n"));
4488 else
4489 {
4490 printf (_("\n The File Name Table (offset 0x%lx):\n"),
4491 (long)(data - start));
4492 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
19e6b90e 4493
77145576 4494 while (data < end && *data != 0)
b40bf0a2 4495 {
77145576 4496 unsigned char *name;
cd30bcef 4497 dwarf_vma val;
77145576
JK		 4498
4499 printf (" %d\t", ++state_machine_regs.last_file_entry);
4500 name = data;
a7077ce7
AM		 4501 data += strnlen ((char *) data, end - data);
4502 if (data < end)
4503 data++;
77145576 4504
cd30bcef
AM		 4505 READ_ULEB (val, data, end);
4506 printf ("%s\t", dwarf_vmatoa ("u", val));
4507 READ_ULEB (val, data, end);
4508 printf ("%s\t", dwarf_vmatoa ("u", val));
4509 READ_ULEB (val, data, end);
4510 printf ("%s\t", dwarf_vmatoa ("u", val));
77145576
JK		 4511 printf ("%.*s\n", (int)(end - name), name);
4512
55b26492 4513 if (data >= end)
77145576
JK		 4514 {
4515 warn (_("Corrupt file name table entry\n"));
4516 break;
4517 }
b40bf0a2 4518 }
a233b20c 4519 }
77145576
JK		 4520
4521 /* Skip the NUL at the end of the table. */
a7077ce7
AM		 4522 if (data < end)
4523 data++;
b40bf0a2 4524 }
19e6b90e 4525
b40bf0a2
NC		 4526 putchar ('\n');
4527 saved_linfo = linfo;
4528 }
19e6b90e 4529
b40bf0a2
NC		 4530 /* Now display the statements. */
4531 if (data >= end_of_sequence)
4532 printf (_(" No Line Number Statements.\n"));
4533 else
4534 {
4535 printf (_(" Line Number Statements:\n"));
19e6b90e 4536
b40bf0a2
NC		 4537 while (data < end_of_sequence)
4538 {
4539 unsigned char op_code;
4540 dwarf_signed_vma adv;
4541 dwarf_vma uladv;
19e6b90e 4542
fe59e83d
CC		 4543 printf (" [0x%08lx]", (long)(data - start));
4544
b40bf0a2 4545 op_code = *data++;
19e6b90e 4546
b40bf0a2 4547 if (op_code >= linfo.li_opcode_base)
19e6b90e 4548 {
b40bf0a2
NC		 4549 op_code -= linfo.li_opcode_base;
4550 uladv = (op_code / linfo.li_line_range);
4551 if (linfo.li_max_ops_per_insn == 1)
4552 {
4553 uladv *= linfo.li_min_insn_length;
4554 state_machine_regs.address += uladv;
ba8826a8
AO		 4555 if (uladv)
4556 state_machine_regs.view = 0;
b40bf0a2 4557 printf (_(" Special opcode %d: "
ba8826a8 4558 "advance Address by %s to 0x%s%s"),
b40bf0a2 4559 op_code, dwarf_vmatoa ("u", uladv),
ba8826a8
AO		 4560 dwarf_vmatoa ("x", state_machine_regs.address),
4561 verbose_view && uladv
4562 ? _(" (reset view)") : "");
b40bf0a2
NC		 4563 }
4564 else
4565 {
ba8826a8
AO		 4566 unsigned addrdelta
4567 = ((state_machine_regs.op_index + uladv)
b40bf0a2
NC		 4568 / linfo.li_max_ops_per_insn)
4569 * linfo.li_min_insn_length;
ba8826a8
AO		 4570
4571 state_machine_regs.address += addrdelta;
b40bf0a2
NC		 4572 state_machine_regs.op_index
4573 = (state_machine_regs.op_index + uladv)
4574 % linfo.li_max_ops_per_insn;
ba8826a8
AO		 4575 if (addrdelta)
4576 state_machine_regs.view = 0;
b40bf0a2 4577 printf (_(" Special opcode %d: "
ba8826a8 4578 "advance Address by %s to 0x%s[%d]%s"),
b40bf0a2
NC		 4579 op_code, dwarf_vmatoa ("u", uladv),
4580 dwarf_vmatoa ("x", state_machine_regs.address),
ba8826a8
AO		 4581 state_machine_regs.op_index,
4582 verbose_view && addrdelta
4583 ? _(" (reset view)") : "");
b40bf0a2
NC		 4584 }
4585 adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
4586 state_machine_regs.line += adv;
ba8826a8 4587 printf (_(" and Line by %s to %d"),
b40bf0a2 4588 dwarf_vmatoa ("d", adv), state_machine_regs.line);
ba8826a8
AO		 4589 if (verbose_view || state_machine_regs.view)
4590 printf (_(" (view %u)\n"), state_machine_regs.view);
4591 else
4592 putchar ('\n');
4593 state_machine_regs.view++;
19e6b90e 4594 }
cd30bcef
AM		 4595 else
4596 switch (op_code)
4597 {
4598 case DW_LNS_extended_op:
4599 data += process_extended_line_op (data,
4600 linfo.li_default_is_stmt,
4601 end);
4602 break;
4603
4604 case DW_LNS_copy:
4605 printf (_(" Copy"));
4606 if (verbose_view || state_machine_regs.view)
4607 printf (_(" (view %u)\n"), state_machine_regs.view);
4608 else
4609 putchar ('\n');
4610 state_machine_regs.view++;
4611 break;
4612
4613 case DW_LNS_advance_pc:
4614 READ_ULEB (uladv, data, end);
4615 if (linfo.li_max_ops_per_insn == 1)
4616 {
4617 uladv *= linfo.li_min_insn_length;
4618 state_machine_regs.address += uladv;
4619 if (uladv)
4620 state_machine_regs.view = 0;
4621 printf (_(" Advance PC by %s to 0x%s%s\n"),
4622 dwarf_vmatoa ("u", uladv),
4623 dwarf_vmatoa ("x", state_machine_regs.address),
4624 verbose_view && uladv
4625 ? _(" (reset view)") : "");
4626 }
4627 else
4628 {
4629 unsigned addrdelta
4630 = ((state_machine_regs.op_index + uladv)
4631 / linfo.li_max_ops_per_insn)
4632 * linfo.li_min_insn_length;
4633 state_machine_regs.address
4634 += addrdelta;
4635 state_machine_regs.op_index
4636 = (state_machine_regs.op_index + uladv)
4637 % linfo.li_max_ops_per_insn;
4638 if (addrdelta)
4639 state_machine_regs.view = 0;
4640 printf (_(" Advance PC by %s to 0x%s[%d]%s\n"),
4641 dwarf_vmatoa ("u", uladv),
4642 dwarf_vmatoa ("x", state_machine_regs.address),
4643 state_machine_regs.op_index,
4644 verbose_view && addrdelta
4645 ? _(" (reset view)") : "");
4646 }
4647 break;
4648
4649 case DW_LNS_advance_line:
4650 READ_SLEB (adv, data, end);
4651 state_machine_regs.line += adv;
4652 printf (_(" Advance Line by %s to %d\n"),
4653 dwarf_vmatoa ("d", adv),
4654 state_machine_regs.line);
4655 break;
4656
4657 case DW_LNS_set_file:
4658 READ_ULEB (uladv, data, end);
4659 printf (_(" Set File Name to entry %s in the File Name Table\n"),
4660 dwarf_vmatoa ("u", uladv));
4661 state_machine_regs.file = uladv;
4662 break;
4663
4664 case DW_LNS_set_column:
4665 READ_ULEB (uladv, data, end);
4666 printf (_(" Set column to %s\n"),
4667 dwarf_vmatoa ("u", uladv));
4668 state_machine_regs.column = uladv;
4669 break;
4670
4671 case DW_LNS_negate_stmt:
4672 adv = state_machine_regs.is_stmt;
4673 adv = ! adv;
4674 printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv));
4675 state_machine_regs.is_stmt = adv;
4676 break;
4677
4678 case DW_LNS_set_basic_block:
4679 printf (_(" Set basic block\n"));
4680 state_machine_regs.basic_block = 1;
4681 break;
4682
4683 case DW_LNS_const_add_pc:
4684 uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
4685 if (linfo.li_max_ops_per_insn)
4686 {
4687 uladv *= linfo.li_min_insn_length;
4688 state_machine_regs.address += uladv;
4689 if (uladv)
4690 state_machine_regs.view = 0;
4691 printf (_(" Advance PC by constant %s to 0x%s%s\n"),
4692 dwarf_vmatoa ("u", uladv),
4693 dwarf_vmatoa ("x", state_machine_regs.address),
4694 verbose_view && uladv
4695 ? _(" (reset view)") : "");
4696 }
4697 else
4698 {
4699 unsigned addrdelta
4700 = ((state_machine_regs.op_index + uladv)
4701 / linfo.li_max_ops_per_insn)
4702 * linfo.li_min_insn_length;
4703 state_machine_regs.address
4704 += addrdelta;
4705 state_machine_regs.op_index
4706 = (state_machine_regs.op_index + uladv)
4707 % linfo.li_max_ops_per_insn;
4708 if (addrdelta)
4709 state_machine_regs.view = 0;
4710 printf (_(" Advance PC by constant %s to 0x%s[%d]%s\n"),
4711 dwarf_vmatoa ("u", uladv),
4712 dwarf_vmatoa ("x", state_machine_regs.address),
4713 state_machine_regs.op_index,
4714 verbose_view && addrdelta
4715 ? _(" (reset view)") : "");
4716 }
4717 break;
4718
4719 case DW_LNS_fixed_advance_pc:
4720 SAFE_BYTE_GET_AND_INC (uladv, data, 2, end);
4721 state_machine_regs.address += uladv;
4722 state_machine_regs.op_index = 0;
4723 printf (_(" Advance PC by fixed size amount %s to 0x%s\n"),
4724 dwarf_vmatoa ("u", uladv),
4725 dwarf_vmatoa ("x", state_machine_regs.address));
4726 /* Do NOT reset view. */
4727 break;
4728
4729 case DW_LNS_set_prologue_end:
4730 printf (_(" Set prologue_end to true\n"));
4731 break;
4732
4733 case DW_LNS_set_epilogue_begin:
4734 printf (_(" Set epilogue_begin to true\n"));
4735 break;
4736
4737 case DW_LNS_set_isa:
4738 READ_ULEB (uladv, data, end);
4739 printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv));
4740 break;
4741
4742 default:
4743 printf (_(" Unknown opcode %d with operands: "), op_code);
4744
4745 if (standard_opcodes != NULL)
4746 for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
4747 {
4748 READ_ULEB (uladv, data, end);
4749 printf ("0x%s%s", dwarf_vmatoa ("x", uladv),
4750 i == 1 ? "" : ", ");
4751 }
4752 putchar ('\n');
4753 break;
4754 }
19e6b90e 4755 }
b40bf0a2 4756 putchar ('\n');
19e6b90e 4757 }
19e6b90e
L		 4758 }
4759
4760 return 1;
4761}
4762
a262ae96
NC		 4763typedef struct
4764{
467c65bc
NC		 4765 unsigned char *name;
4766 unsigned int directory_index;
4767 unsigned int modification_date;
4768 unsigned int length;
a262ae96
NC		 4769} File_Entry;
4770
4771/* Output a decoded representation of the .debug_line section. */
4772
4773static int
dda8d76d 4774display_debug_lines_decoded (struct dwarf_section * section,
ec1b0fbb 4775 unsigned char * start,
dda8d76d
NC		 4776 unsigned char * data,
4777 unsigned char * end,
4778 void * fileptr)
a262ae96 4779{
b40bf0a2
NC		 4780 static DWARF2_Internal_LineInfo saved_linfo;
4781
015dc7e1 4782 introduce (section, false);
a262ae96
NC		 4783
4784 while (data < end)
4785 {
4786 /* This loop amounts to one iteration per compilation unit. */
91d6fa6a 4787 DWARF2_Internal_LineInfo linfo;
a262ae96
NC		 4788 unsigned char *standard_opcodes;
4789 unsigned char *end_of_sequence;
a262ae96
NC		 4790 int i;
4791 File_Entry *file_table = NULL;
143a3db0 4792 unsigned int n_files = 0;
a262ae96 4793 unsigned char **directory_table = NULL;
77145576 4794 dwarf_vma n_directories = 0;
a262ae96 4795
24d127aa 4796 if (startswith (section->name, ".debug_line.")
4925cdd7
NC		 4797 /* Note: the following does not apply to .debug_line.dwo sections.
4798 These are full debug_line sections. */
4799 && strcmp (section->name, ".debug_line.dwo") != 0)
b4eb7656 4800 {
4925cdd7 4801 /* See comment in display_debug_lines_raw(). */
b40bf0a2
NC		 4802 end_of_sequence = end;
4803 standard_opcodes = NULL;
4804 linfo = saved_linfo;
058037d3
NC		 4805 /* PR 17531: file: 0522b371. */
4806 if (linfo.li_line_range == 0)
4807 {
1306a742 4808 warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n"));
058037d3
NC		 4809 return 0;
4810 }
b40bf0a2 4811 reset_state_machine (linfo.li_default_is_stmt);
b4eb7656 4812 }
a262ae96 4813 else
b4eb7656 4814 {
b40bf0a2 4815 unsigned char *hdrptr;
a262ae96 4816
b40bf0a2
NC		 4817 if ((hdrptr = read_debug_line_header (section, data, end, & linfo,
4818 & end_of_sequence)) == NULL)
a233b20c 4819 return 0;
0c588247 4820
058037d3
NC		 4821 /* PR 17531: file: 0522b371. */
4822 if (linfo.li_line_range == 0)
4823 {
4824 warn (_("Line range of 0 is invalid, using 1 instead\n"));
4825 linfo.li_line_range = 1;
4826 }
b40bf0a2 4827 reset_state_machine (linfo.li_default_is_stmt);
a262ae96 4828
b40bf0a2
NC		 4829 /* Save a pointer to the contents of the Opcodes table. */
4830 standard_opcodes = hdrptr;
a262ae96 4831
b40bf0a2
NC		 4832 /* Traverse the Directory table just to count entries. */
4833 data = standard_opcodes + linfo.li_opcode_base - 1;
d8024a91
NC		 4834 /* PR 20440 */
4835 if (data >= end)
4836 {
4837 warn (_("opcode base of %d extends beyond end of section\n"),
4838 linfo.li_opcode_base);
4839 return 0;
4840 }
4841
77145576 4842 if (linfo.li_version >= 5)
b40bf0a2 4843 {
77145576
JK		 4844 unsigned char *format_start, format_count, *format;
4845 dwarf_vma formati, entryi;
a262ae96 4846
dda8d76d 4847 load_debug_section_with_follow (line_str, fileptr);
77145576
JK		 4848
4849 /* Skip directories format. */
4850 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
546cb2d8
NC		 4851 if (do_checks && format_count > 1)
4852 warn (_("Unexpectedly large number of columns in the directory name table (%u)\n"),
4853 format_count);
77145576
JK		 4854 format_start = data;
4855 for (formati = 0; formati < format_count; formati++)
b40bf0a2 4856 {
cd30bcef
AM		 4857 SKIP_ULEB (data, end);
4858 SKIP_ULEB (data, end);
b40bf0a2 4859 }
a262ae96 4860
cd30bcef 4861 READ_ULEB (n_directories, data, end);
55b26492 4862 if (data >= end)
d8024a91 4863 {
77145576 4864 warn (_("Corrupt directories list\n"));
d8024a91
NC		 4865 break;
4866 }
4867
070b775f
NC		 4868 if (n_directories == 0)
4869 directory_table = NULL;
4870 else
4871 directory_table = (unsigned char **)
4872 xmalloc (n_directories * sizeof (unsigned char *));
a262ae96 4873
77145576 4874 for (entryi = 0; entryi < n_directories; entryi++)
b40bf0a2 4875 {
77145576 4876 unsigned char **pathp = &directory_table[entryi];
a262ae96 4877
77145576
JK		 4878 format = format_start;
4879 for (formati = 0; formati < format_count; formati++)
4880 {
4881 dwarf_vma content_type, form;
4882 dwarf_vma uvalue;
4883
cd30bcef
AM		 4884 READ_ULEB (content_type, format, end);
4885 READ_ULEB (form, format, end);
55b26492 4886 if (data >= end)
77145576
JK		 4887 {
4888 warn (_("Corrupt directories list\n"));
4889 break;
4890 }
4891 switch (content_type)
4892 {
4893 case DW_LNCT_path:
4894 switch (form)
4895 {
4896 case DW_FORM_string:
4897 *pathp = data;
4898 break;
4899 case DW_FORM_line_strp:
4900 SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size,
4901 end);
4902 /* Remove const by the cast. */
4903 *pathp = (unsigned char *)
4904 fetch_indirect_line_string (uvalue);
4905 break;
4906 }
4907 break;
4908 }
cd30bcef
AM		 4909 data = read_and_display_attr_value (0, form, 0, start,
4910 data, end, 0, 0,
77145576
JK		 4911 linfo.li_offset_size,
4912 linfo.li_version,
4913 NULL, 1, section,
ec1b0fbb 4914 NULL, '\t', -1);
77145576 4915 }
55b26492 4916 if (data >= end)
77145576
JK		 4917 {
4918 warn (_("Corrupt directories list\n"));
4919 break;
4920 }
4921 }
a262ae96 4922
77145576
JK		 4923 /* Skip files format. */
4924 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
546cb2d8
NC		 4925 if (do_checks && format_count > 5)
4926 warn (_("Unexpectedly large number of columns in the file name table (%u)\n"),
4927 format_count);
77145576
JK		 4928 format_start = data;
4929 for (formati = 0; formati < format_count; formati++)
b40bf0a2 4930 {
cd30bcef
AM		 4931 SKIP_ULEB (data, end);
4932 SKIP_ULEB (data, end);
b40bf0a2 4933 }
a262ae96 4934
cd30bcef 4935 READ_ULEB (n_files, data, end);
55b26492 4936 if (data >= end && n_files > 0)
d8024a91 4937 {
77145576 4938 warn (_("Corrupt file name list\n"));
d8024a91
NC		 4939 break;
4940 }
4941
070b775f
NC		 4942 if (n_files == 0)
4943 file_table = NULL;
4944 else
4945 file_table = (File_Entry *) xcalloc (1, n_files
4946 * sizeof (File_Entry));
a262ae96 4947
77145576 4948 for (entryi = 0; entryi < n_files; entryi++)
b40bf0a2 4949 {
77145576 4950 File_Entry *file = &file_table[entryi];
a262ae96 4951
77145576
JK		 4952 format = format_start;
4953 for (formati = 0; formati < format_count; formati++)
4954 {
4955 dwarf_vma content_type, form;
4956 dwarf_vma uvalue;
cd30bcef 4957 unsigned char *tmp;
77145576 4958
cd30bcef
AM		 4959 READ_ULEB (content_type, format, end);
4960 READ_ULEB (form, format, end);
55b26492 4961 if (data >= end)
77145576
JK		 4962 {
4963 warn (_("Corrupt file name list\n"));
4964 break;
4965 }
4966 switch (content_type)
4967 {
4968 case DW_LNCT_path:
4969 switch (form)
4970 {
4971 case DW_FORM_string:
4972 file->name = data;
4973 break;
4974 case DW_FORM_line_strp:
4975 SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size,
4976 end);
4977 /* Remove const by the cast. */
4978 file->name = (unsigned char *)
4979 fetch_indirect_line_string (uvalue);
4980 break;
4981 }
4982 break;
4983 case DW_LNCT_directory_index:
4984 switch (form)
4985 {
4986 case DW_FORM_data1:
4987 SAFE_BYTE_GET (file->directory_index, data, 1,
4988 end);
4989 break;
4990 case DW_FORM_data2:
4991 SAFE_BYTE_GET (file->directory_index, data, 2,
4992 end);
4993 break;
4994 case DW_FORM_udata:
cd30bcef
AM		 4995 tmp = data;
4996 READ_ULEB (file->directory_index, tmp, end);
77145576
JK		 4997 break;
4998 }
4999 break;
5000 }
cd30bcef
AM		 5001 data = read_and_display_attr_value (0, form, 0, start,
5002 data, end, 0, 0,
77145576
JK		 5003 linfo.li_offset_size,
5004 linfo.li_version,
5005 NULL, 1, section,
ec1b0fbb 5006 NULL, '\t', -1);
77145576 5007 }
55b26492 5008 if (data >= end)
77145576
JK		 5009 {
5010 warn (_("Corrupt file name list\n"));
5011 break;
5012 }
5013 }
5014 }
5015 else
5016 {
5017 if (*data != 0)
b40bf0a2 5018 {
77145576
JK		 5019 unsigned char *ptr_directory_table = data;
5020
5021 while (data < end && *data != 0)
5022 {
a7077ce7
AM		 5023 data += strnlen ((char *) data, end - data);
5024 if (data < end)
5025 data++;
77145576
JK		 5026 n_directories++;
5027 }
5028
5029 /* PR 20440 */
5030 if (data >= end)
5031 {
5032 warn (_("directory table ends unexpectedly\n"));
5033 n_directories = 0;
5034 break;
5035 }
5036
5037 /* Go through the directory table again to save the directories. */
5038 directory_table = (unsigned char **)
5039 xmalloc (n_directories * sizeof (unsigned char *));
5040
5041 i = 0;
5042 while (*ptr_directory_table != 0)
5043 {
5044 directory_table[i] = ptr_directory_table;
56051e28
AM		 5045 ptr_directory_table
5046 += strlen ((char *) ptr_directory_table) + 1;
77145576
JK		 5047 i++;
5048 }
b40bf0a2 5049 }
77145576
JK		 5050 /* Skip the NUL at the end of the table. */
5051 data++;
5052
5053 /* Traverse the File Name table just to count the entries. */
5054 if (data < end && *data != 0)
b40bf0a2 5055 {
77145576
JK		 5056 unsigned char *ptr_file_name_table = data;
5057
5058 while (data < end && *data != 0)
db9537d2 5059 {
cd30bcef
AM		 5060 /* Skip Name, directory index, last modification
5061 time and length of file. */
a7077ce7
AM		 5062 data += strnlen ((char *) data, end - data);
5063 if (data < end)
5064 data++;
cd30bcef
AM		 5065 SKIP_ULEB (data, end);
5066 SKIP_ULEB (data, end);
5067 SKIP_ULEB (data, end);
77145576 5068 n_files++;
db9537d2 5069 }
a262ae96 5070
77145576
JK		 5071 if (data >= end)
5072 {
5073 warn (_("file table ends unexpectedly\n"));
5074 n_files = 0;
5075 break;
5076 }
5077
5078 /* Go through the file table again to save the strings. */
5079 file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry));
0c588247 5080
77145576
JK		 5081 i = 0;
5082 while (*ptr_file_name_table != 0)
5083 {
77145576 5084 file_table[i].name = ptr_file_name_table;
56051e28
AM		 5085 ptr_file_name_table
5086 += strlen ((char *) ptr_file_name_table) + 1;
77145576
JK		 5087
5088 /* We are not interested in directory, time or size. */
cd30bcef
AM		 5089 READ_ULEB (file_table[i].directory_index,
5090 ptr_file_name_table, end);
5091 READ_ULEB (file_table[i].modification_date,
5092 ptr_file_name_table, end);
5093 READ_ULEB (file_table[i].length,
5094 ptr_file_name_table, end);
77145576
JK		 5095 i++;
5096 }
5097 i = 0;
b40bf0a2 5098 }
77145576
JK		 5099
5100 /* Skip the NUL at the end of the table. */
5101 data++;
b40bf0a2 5102 }
cc5914eb 5103
77145576 5104 /* Print the Compilation Unit's name and a header. */
f082820d 5105 if (file_table == NULL)
070b775f 5106 printf (_("CU: No directory table\n"));
f082820d
AM		 5107 else if (directory_table == NULL)
5108 printf (_("CU: %s:\n"), file_table[0].name);
77145576
JK		 5109 else
5110 {
5111 unsigned int ix = file_table[0].directory_index;
5112 const char *directory;
5113
5114 if (ix == 0)
5115 directory = ".";
5116 /* PR 20439 */
5117 else if (n_directories == 0)
5118 directory = _("<unknown>");
5119 else if (ix > n_directories)
5120 {
5121 warn (_("directory index %u > number of directories %s\n"),
5122 ix, dwarf_vmatoa ("u", n_directories));
5123 directory = _("<corrupt>");
5124 }
5125 else
5126 directory = (char *) directory_table[ix - 1];
5127
5128 if (do_wide || strlen (directory) < 76)
5129 printf (_("CU: %s/%s:\n"), directory, file_table[0].name);
5130 else
5131 printf ("%s:\n", file_table[0].name);
77145576 5132 }
a262ae96 5133
070b775f
NC		 5134 if (n_files > 0)
5135 printf (_("File name Line number Starting address View Stmt\n"));
5136 else
5137 printf (_("CU: Empty file name table\n"));
b40bf0a2
NC		 5138 saved_linfo = linfo;
5139 }
a262ae96
NC		 5140
5141 /* This loop iterates through the Dwarf Line Number Program. */
5142 while (data < end_of_sequence)
b4eb7656 5143 {
a262ae96 5144 unsigned char op_code;
ba8826a8 5145 int xop;
b4eb7656
AM		 5146 int adv;
5147 unsigned long int uladv;
b4eb7656 5148 int is_special_opcode = 0;
a262ae96 5149
b4eb7656 5150 op_code = *data++;
ba8826a8 5151 xop = op_code;
a262ae96 5152
b4eb7656 5153 if (op_code >= linfo.li_opcode_base)
a262ae96 5154 {
91d6fa6a 5155 op_code -= linfo.li_opcode_base;
a233b20c
JJ		 5156 uladv = (op_code / linfo.li_line_range);
5157 if (linfo.li_max_ops_per_insn == 1)
5158 {
5159 uladv *= linfo.li_min_insn_length;
5160 state_machine_regs.address += uladv;
ba8826a8
AO		 5161 if (uladv)
5162 state_machine_regs.view = 0;
a233b20c
JJ		 5163 }
5164 else
5165 {
ba8826a8
AO		 5166 unsigned addrdelta
5167 = ((state_machine_regs.op_index + uladv)
5168 / linfo.li_max_ops_per_insn)
b40bf0a2 5169 * linfo.li_min_insn_length;
ba8826a8
AO		 5170 state_machine_regs.address
5171 += addrdelta;
a233b20c
JJ		 5172 state_machine_regs.op_index
5173 = (state_machine_regs.op_index + uladv)
b40bf0a2 5174 % linfo.li_max_ops_per_insn;
ba8826a8
AO		 5175 if (addrdelta)
5176 state_machine_regs.view = 0;
a233b20c 5177 }
a262ae96 5178
b4eb7656
AM		 5179 adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
5180 state_machine_regs.line += adv;
5181 is_special_opcode = 1;
ba8826a8 5182 /* Increment view after printing this row. */
b4eb7656 5183 }
cd30bcef
AM		 5184 else
5185 switch (op_code)
5186 {
5187 case DW_LNS_extended_op:
5188 {
5189 unsigned int ext_op_code_len;
5190 unsigned char ext_op_code;
5191 unsigned char *op_code_end;
5192 unsigned char *op_code_data = data;
5193
5194 READ_ULEB (ext_op_code_len, op_code_data, end_of_sequence);
5195 op_code_end = op_code_data + ext_op_code_len;
5196 if (ext_op_code_len == 0 || op_code_end > end_of_sequence)
5197 {
5198 warn (_("Badly formed extended line op encountered!\n"));
5199 break;
5200 }
5201 ext_op_code = *op_code_data++;
5202 xop = ext_op_code;
5203 xop = -xop;
5204
5205 switch (ext_op_code)
5206 {
5207 case DW_LNE_end_sequence:
5208 /* Reset stuff after printing this row. */
5209 break;
5210 case DW_LNE_set_address:
5211 SAFE_BYTE_GET_AND_INC (state_machine_regs.address,
5212 op_code_data,
5213 op_code_end - op_code_data,
5214 op_code_end);
5215 state_machine_regs.op_index = 0;
5216 state_machine_regs.view = 0;
5217 break;
5218 case DW_LNE_define_file:
5219 file_table = (File_Entry *) xrealloc
5220 (file_table, (n_files + 1) * sizeof (File_Entry));
5221
5222 ++state_machine_regs.last_file_entry;
5223 /* Source file name. */
5224 file_table[n_files].name = op_code_data;
5225 op_code_data += strlen ((char *) op_code_data) + 1;
5226 /* Directory index. */
5227 READ_ULEB (file_table[n_files].directory_index,
5228 op_code_data, op_code_end);
5229 /* Last modification time. */
5230 READ_ULEB (file_table[n_files].modification_date,
5231 op_code_data, op_code_end);
5232 /* File length. */
5233 READ_ULEB (file_table[n_files].length,
5234 op_code_data, op_code_end);
5235 n_files++;
5236 break;
5237
5238 case DW_LNE_set_discriminator:
5239 case DW_LNE_HP_set_sequence:
5240 /* Simply ignored. */
5241 break;
5242
5243 default:
5244 printf (_("UNKNOWN (%u): length %ld\n"),
27653fba 5245 ext_op_code, (long int) (op_code_data - data));
cd30bcef
AM		 5246 break;
5247 }
5248 data = op_code_end;
5249 break;
5250 }
5251 case DW_LNS_copy:
5252 /* Increment view after printing this row. */
5253 break;
5254
5255 case DW_LNS_advance_pc:
5256 READ_ULEB (uladv, data, end);
5257 if (linfo.li_max_ops_per_insn == 1)
5258 {
5259 uladv *= linfo.li_min_insn_length;
5260 state_machine_regs.address += uladv;
5261 if (uladv)
5262 state_machine_regs.view = 0;
5263 }
5264 else
5265 {
5266 unsigned addrdelta
5267 = ((state_machine_regs.op_index + uladv)
5268 / linfo.li_max_ops_per_insn)
5269 * linfo.li_min_insn_length;
5270 state_machine_regs.address
5271 += addrdelta;
5272 state_machine_regs.op_index
5273 = (state_machine_regs.op_index + uladv)
5274 % linfo.li_max_ops_per_insn;
5275 if (addrdelta)
5276 state_machine_regs.view = 0;
5277 }
5278 break;
5279
5280 case DW_LNS_advance_line:
5281 READ_SLEB (adv, data, end);
5282 state_machine_regs.line += adv;
5283 break;
5284
5285 case DW_LNS_set_file:
5286 READ_ULEB (uladv, data, end);
5287 state_machine_regs.file = uladv;
5288
5289 {
5290 unsigned file = state_machine_regs.file - 1;
5291 unsigned dir;
5292
5293 if (file_table == NULL || n_files == 0)
5294 printf (_("\n [Use file table entry %d]\n"), file);
5295 /* PR 20439 */
5296 else if (file >= n_files)
5297 {
5298 warn (_("file index %u > number of files %u\n"), file + 1, n_files);
5299 printf (_("\n <over large file table index %u>"), file);
5300 }
5301 else if ((dir = file_table[file].directory_index) == 0)
5302 /* If directory index is 0, that means current directory. */
5303 printf ("\n./%s:[++]\n", file_table[file].name);
5304 else if (directory_table == NULL || n_directories == 0)
5305 printf (_("\n [Use file %s in directory table entry %d]\n"),
5306 file_table[file].name, dir);
5307 /* PR 20439 */
5308 else if (dir > n_directories)
5309 {
5310 warn (_("directory index %u > number of directories %s\n"),
5311 dir, dwarf_vmatoa ("u", n_directories));
5312 printf (_("\n <over large directory table entry %u>\n"), dir);
5313 }
5314 else
5315 printf ("\n%s/%s:\n",
5316 /* The directory index starts counting at 1. */
5317 directory_table[dir - 1], file_table[file].name);
5318 }
5319 break;
5320
5321 case DW_LNS_set_column:
5322 READ_ULEB (uladv, data, end);
5323 state_machine_regs.column = uladv;
5324 break;
5325
5326 case DW_LNS_negate_stmt:
5327 adv = state_machine_regs.is_stmt;
5328 adv = ! adv;
5329 state_machine_regs.is_stmt = adv;
5330 break;
5331
5332 case DW_LNS_set_basic_block:
5333 state_machine_regs.basic_block = 1;
5334 break;
5335
5336 case DW_LNS_const_add_pc:
5337 uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
5338 if (linfo.li_max_ops_per_insn == 1)
5339 {
5340 uladv *= linfo.li_min_insn_length;
5341 state_machine_regs.address += uladv;
5342 if (uladv)
5343 state_machine_regs.view = 0;
5344 }
5345 else
5346 {
5347 unsigned addrdelta
5348 = ((state_machine_regs.op_index + uladv)
5349 / linfo.li_max_ops_per_insn)
5350 * linfo.li_min_insn_length;
5351 state_machine_regs.address
5352 += addrdelta;
5353 state_machine_regs.op_index
5354 = (state_machine_regs.op_index + uladv)
5355 % linfo.li_max_ops_per_insn;
5356 if (addrdelta)
5357 state_machine_regs.view = 0;
5358 }
5359 break;
5360
5361 case DW_LNS_fixed_advance_pc:
5362 SAFE_BYTE_GET_AND_INC (uladv, data, 2, end);
5363 state_machine_regs.address += uladv;
5364 state_machine_regs.op_index = 0;
5365 /* Do NOT reset view. */
5366 break;
5367
5368 case DW_LNS_set_prologue_end:
5369 break;
5370
5371 case DW_LNS_set_epilogue_begin:
5372 break;
5373
5374 case DW_LNS_set_isa:
5375 READ_ULEB (uladv, data, end);
5376 printf (_(" Set ISA to %lu\n"), uladv);
5377 break;
5378
5379 default:
5380 printf (_(" Unknown opcode %d with operands: "), op_code);
5381
5382 if (standard_opcodes != NULL)
5383 for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
5384 {
5385 dwarf_vma val;
5386
5387 READ_ULEB (val, data, end);
5388 printf ("0x%s%s", dwarf_vmatoa ("x", val),
5389 i == 1 ? "" : ", ");
5390 }
5391 putchar ('\n');
5392 break;
5393 }
a262ae96 5394
b4eb7656
AM		 5395 /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row
5396 to the DWARF address/line matrix. */
ba8826a8
AO		 5397 if ((is_special_opcode) || (xop == -DW_LNE_end_sequence)
5398 || (xop == DW_LNS_copy))
b4eb7656
AM		 5399 {
5400 const unsigned int MAX_FILENAME_LENGTH = 35;
5401 char *fileName;
5402 char *newFileName = NULL;
5403 size_t fileNameLength;
b40bf0a2
NC		 5404
5405 if (file_table)
db9537d2
NC		 5406 {
5407 unsigned indx = state_machine_regs.file - 1;
5408 /* PR 20439 */
5409 if (indx >= n_files)
5410 {
5411 warn (_("corrupt file index %u encountered\n"), indx);
5412 fileName = _("<corrupt>");
5413 }
5414 else
5415 fileName = (char *) file_table[indx].name;
5416 }
b40bf0a2 5417 else
db9537d2 5418 fileName = _("<unknown>");
b40bf0a2
NC		 5419
5420 fileNameLength = strlen (fileName);
a262ae96 5421
b4eb7656
AM		 5422 if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide))
5423 {
5424 newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1);
5425 /* Truncate file name */
5426 strncpy (newFileName,
5427 fileName + fileNameLength - MAX_FILENAME_LENGTH,
5428 MAX_FILENAME_LENGTH + 1);
e1104d08
NC		 5429 /* FIXME: This is to pacify gcc-10 which can warn that the
5430 strncpy above might leave a non-NUL terminated string
5431 in newFileName. It won't, but gcc's analysis doesn't
5432 quite go far enough to discover this. */
5433 newFileName[MAX_FILENAME_LENGTH] = 0;
b4eb7656
AM		 5434 }
5435 else
5436 {
5437 newFileName = (char *) xmalloc (fileNameLength + 1);
5438 strncpy (newFileName, fileName, fileNameLength + 1);
5439 }
5440
af2b3186
TV		 5441 /* A row with end_seq set to true has a meaningful address, but
5442 the other information in the same row is not significant.
5443 In such a row, print line as "-", and don't print
5444 view/is_stmt. */
b4eb7656
AM		 5445 if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH))
5446 {
a233b20c 5447 if (linfo.li_max_ops_per_insn == 1)
af2b3186
TV		 5448 {
5449 if (xop == -DW_LNE_end_sequence)
5450 printf ("%-35s %11s %#18" DWARF_VMA_FMT "x",
5451 newFileName, "-",
5452 state_machine_regs.address);
5453 else
5454 printf ("%-35s %11d %#18" DWARF_VMA_FMT "x",
5455 newFileName, state_machine_regs.line,
5456 state_machine_regs.address);
5457 }
a233b20c 5458 else
af2b3186
TV		 5459 {
5460 if (xop == -DW_LNE_end_sequence)
5461 printf ("%-35s %11s %#18" DWARF_VMA_FMT "x[%d]",
5462 newFileName, "-",
5463 state_machine_regs.address,
5464 state_machine_regs.op_index);
5465 else
5466 printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]",
5467 newFileName, state_machine_regs.line,
5468 state_machine_regs.address,
5469 state_machine_regs.op_index);
5470 }
b4eb7656
AM		 5471 }
5472 else
5473 {
a233b20c 5474 if (linfo.li_max_ops_per_insn == 1)
af2b3186
TV		 5475 {
5476 if (xop == -DW_LNE_end_sequence)
5477 printf ("%s %11s %#18" DWARF_VMA_FMT "x",
5478 newFileName, "-",
5479 state_machine_regs.address);
5480 else
5481 printf ("%s %11d %#18" DWARF_VMA_FMT "x",
5482 newFileName, state_machine_regs.line,
5483 state_machine_regs.address);
5484 }
a233b20c 5485 else
af2b3186
TV		 5486 {
5487 if (xop == -DW_LNE_end_sequence)
5488 printf ("%s %11s %#18" DWARF_VMA_FMT "x[%d]",
5489 newFileName, "-",
5490 state_machine_regs.address,
5491 state_machine_regs.op_index);
5492 else
5493 printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]",
5494 newFileName, state_machine_regs.line,
5495 state_machine_regs.address,
5496 state_machine_regs.op_index);
5497 }
b4eb7656 5498 }
a262ae96 5499
af2b3186
TV		 5500 if (xop != -DW_LNE_end_sequence)
5501 {
5502 if (state_machine_regs.view)
5503 printf (" %6u", state_machine_regs.view);
5504 else
5505 printf (" ");
17f6ade2 5506
af2b3186
TV		 5507 if (state_machine_regs.is_stmt)
5508 printf (" x");
5509 }
17f6ade2
JD		 5510
5511 putchar ('\n');
ba8826a8
AO		 5512 state_machine_regs.view++;
5513
5514 if (xop == -DW_LNE_end_sequence)
5515 {
5516 reset_state_machine (linfo.li_default_is_stmt);
5517 putchar ('\n');
5518 }
a262ae96 5519
b4eb7656
AM		 5520 free (newFileName);
5521 }
5522 }
b40bf0a2
NC		 5523
5524 if (file_table)
5525 {
5526 free (file_table);
5527 file_table = NULL;
5528 n_files = 0;
5529 }
5530
5531 if (directory_table)
5532 {
5533 free (directory_table);
5534 directory_table = NULL;
5535 n_directories = 0;
5536 }
5537
a262ae96
NC		 5538 putchar ('\n');
5539 }
5540
5541 return 1;
5542}
5543
5544static int
77145576 5545display_debug_lines (struct dwarf_section *section, void *file)
a262ae96
NC		 5546{
5547 unsigned char *data = section->start;
5548 unsigned char *end = data + section->size;
4cb93e3b
TG		 5549 int retValRaw = 1;
5550 int retValDecoded = 1;
a262ae96 5551
008f4c78
NC		 5552 if (do_debug_lines == 0)
5553 do_debug_lines |= FLAG_DEBUG_LINES_RAW;
5554
4cb93e3b 5555 if (do_debug_lines & FLAG_DEBUG_LINES_RAW)
77145576 5556 retValRaw = display_debug_lines_raw (section, data, end, file);
a262ae96 5557
4cb93e3b 5558 if (do_debug_lines & FLAG_DEBUG_LINES_DECODED)
ec1b0fbb 5559 retValDecoded = display_debug_lines_decoded (section, data, data, end, file);
a262ae96 5560
4cb93e3b 5561 if (!retValRaw || !retValDecoded)
a262ae96
NC		 5562 return 0;
5563
5564 return 1;
5565}
5566
6e3d6dc1
NC		 5567static debug_info *
5568find_debug_info_for_offset (unsigned long offset)
5569{
5570 unsigned int i;
5571
5572 if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE)
5573 return NULL;
5574
5575 for (i = 0; i < num_debug_info_entries; i++)
5576 if (debug_information[i].cu_offset == offset)
5577 return debug_information + i;
5578
5579 return NULL;
5580}
5581
459d52c8
DE		 5582static const char *
5583get_gdb_index_symbol_kind_name (gdb_index_symbol_kind kind)
5584{
5585 /* See gdb/gdb-index.h. */
5586 static const char * const kinds[] =
5587 {
5588 N_ ("no info"),
5589 N_ ("type"),
5590 N_ ("variable"),
5591 N_ ("function"),
5592 N_ ("other"),
5593 N_ ("unused5"),
5594 N_ ("unused6"),
5595 N_ ("unused7")
5596 };
5597
5598 return _ (kinds[kind]);
5599}
5600
19e6b90e 5601static int
459d52c8
DE		 5602display_debug_pubnames_worker (struct dwarf_section *section,
5603 void *file ATTRIBUTE_UNUSED,
5604 int is_gnu)
19e6b90e 5605{
91d6fa6a 5606 DWARF2_Internal_PubNames names;
19e6b90e
L		 5607 unsigned char *start = section->start;
5608 unsigned char *end = start + section->size;
5609
6e3d6dc1
NC		 5610 /* It does not matter if this load fails,
5611 we test for that later on. */
5612 load_debug_info (file);
5613
015dc7e1 5614 introduce (section, false);
19e6b90e
L		 5615
5616 while (start < end)
5617 {
5618 unsigned char *data;
35b2c89e
AM		 5619 unsigned long sec_off = start - section->start;
5620 unsigned int offset_size;
19e6b90e 5621
e98fdf1a 5622 SAFE_BYTE_GET_AND_INC (names.pn_length, start, 4, end);
91d6fa6a 5623 if (names.pn_length == 0xffffffff)
19e6b90e 5624 {
e98fdf1a 5625 SAFE_BYTE_GET_AND_INC (names.pn_length, start, 8, end);
19e6b90e 5626 offset_size = 8;
19e6b90e
L		 5627 }
5628 else
35b2c89e 5629 offset_size = 4;
19e6b90e 5630
35b2c89e 5631 if (names.pn_length > (size_t) (end - start))
e98fdf1a
AM		 5632 {
5633 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
5634 section->name,
35b2c89e 5635 sec_off,
e98fdf1a
AM		 5636 dwarf_vmatoa ("x", names.pn_length));
5637 break;
5638 }
5639
5640 data = start;
5641 start += names.pn_length;
5642
35b2c89e
AM		 5643 SAFE_BYTE_GET_AND_INC (names.pn_version, data, 2, start);
5644 SAFE_BYTE_GET_AND_INC (names.pn_offset, data, offset_size, start);
6e3d6dc1
NC		 5645
5646 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
5647 && num_debug_info_entries > 0
91d6fa6a 5648 && find_debug_info_for_offset (names.pn_offset) == NULL)
6e3d6dc1 5649 warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
47704ddf 5650 (unsigned long) names.pn_offset, section->name);
cecf136e 5651
35b2c89e 5652 SAFE_BYTE_GET_AND_INC (names.pn_size, data, offset_size, start);
19e6b90e 5653
058037d3
NC		 5654 printf (_(" Length: %ld\n"),
5655 (long) names.pn_length);
5656 printf (_(" Version: %d\n"),
5657 names.pn_version);
5658 printf (_(" Offset into .debug_info section: 0x%lx\n"),
5659 (unsigned long) names.pn_offset);
5660 printf (_(" Size of area in .debug_info section: %ld\n"),
5661 (long) names.pn_size);
19e6b90e 5662
91d6fa6a 5663 if (names.pn_version != 2 && names.pn_version != 3)
19e6b90e
L		 5664 {
5665 static int warned = 0;
5666
5667 if (! warned)
5668 {
5669 warn (_("Only DWARF 2 and 3 pubnames are currently supported\n"));
5670 warned = 1;
5671 }
5672
5673 continue;
5674 }
5675
459d52c8
DE		 5676 if (is_gnu)
5677 printf (_("\n Offset Kind Name\n"));
5678 else
5679 printf (_("\n Offset\tName\n"));
19e6b90e 5680
e98fdf1a 5681 while (1)
19e6b90e 5682 {
f41e4712 5683 bfd_size_type maxprint;
e98fdf1a 5684 dwarf_vma offset;
f41e4712 5685
35b2c89e 5686 SAFE_BYTE_GET_AND_INC (offset, data, offset_size, start);
19e6b90e 5687
e98fdf1a
AM		 5688 if (offset == 0)
5689 break;
b4eb7656 5690
35b2c89e 5691 if (data >= start)
e98fdf1a 5692 break;
35b2c89e 5693 maxprint = (start - data) - 1;
f41e4712 5694
e98fdf1a
AM		 5695 if (is_gnu)
5696 {
5697 unsigned int kind_data;
5698 gdb_index_symbol_kind kind;
5699 const char *kind_name;
5700 int is_static;
5701
35b2c89e 5702 SAFE_BYTE_GET_AND_INC (kind_data, data, 1, start);
e98fdf1a
AM		 5703 maxprint --;
5704 /* GCC computes the kind as the upper byte in the CU index
5705 word, and then right shifts it by the CU index size.
5706 Left shift KIND to where the gdb-index.h accessor macros
5707 can use it. */
5708 kind_data <<= GDB_INDEX_CU_BITSIZE;
5709 kind = GDB_INDEX_SYMBOL_KIND_VALUE (kind_data);
5710 kind_name = get_gdb_index_symbol_kind_name (kind);
5711 is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (kind_data);
5712 printf (" %-6lx %s,%-10s %.*s\n",
5713 (unsigned long) offset, is_static ? _("s") : _("g"),
5714 kind_name, (int) maxprint, data);
19e6b90e 5715 }
e98fdf1a
AM		 5716 else
5717 printf (" %-6lx\t%.*s\n",
5718 (unsigned long) offset, (int) maxprint, data);
5719
a7077ce7 5720 data += strnlen ((char *) data, maxprint);
35b2c89e 5721 if (data < start)
a7077ce7 5722 data++;
35b2c89e 5723 if (data >= start)
e98fdf1a 5724 break;
19e6b90e 5725 }
19e6b90e
L		 5726 }
5727
5728 printf ("\n");
5729 return 1;
5730}
5731
459d52c8
DE		 5732static int
5733display_debug_pubnames (struct dwarf_section *section, void *file)
5734{
5735 return display_debug_pubnames_worker (section, file, 0);
5736}
5737
5738static int
5739display_debug_gnu_pubnames (struct dwarf_section *section, void *file)
5740{
5741 return display_debug_pubnames_worker (section, file, 1);
5742}
5743
19e6b90e
L		 5744static int
5745display_debug_macinfo (struct dwarf_section *section,
5746 void *file ATTRIBUTE_UNUSED)
5747{
5748 unsigned char *start = section->start;
5749 unsigned char *end = start + section->size;
5750 unsigned char *curr = start;
19e6b90e
L		 5751 enum dwarf_macinfo_record_type op;
5752
015dc7e1 5753 introduce (section, false);
19e6b90e
L		 5754
5755 while (curr < end)
5756 {
5757 unsigned int lineno;
0c588247 5758 const unsigned char *string;
19e6b90e 5759
3f5e193b 5760 op = (enum dwarf_macinfo_record_type) *curr;
19e6b90e
L		 5761 curr++;
5762
5763 switch (op)
5764 {
5765 case DW_MACINFO_start_file:
5766 {
5767 unsigned int filenum;
5768
cd30bcef
AM		 5769 READ_ULEB (lineno, curr, end);
5770 READ_ULEB (filenum, curr, end);
19e6b90e
L		 5771 printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"),
5772 lineno, filenum);
5773 }
5774 break;
5775
5776 case DW_MACINFO_end_file:
5777 printf (_(" DW_MACINFO_end_file\n"));
5778 break;
5779
5780 case DW_MACINFO_define:
cd30bcef 5781 READ_ULEB (lineno, curr, end);
0c588247 5782 string = curr;
c03df922
AM		 5783 curr += strnlen ((char *) string, end - string);
5784 printf (_(" DW_MACINFO_define - lineno : %d macro : %*s\n"),
5785 lineno, (int) (curr - string), string);
5786 if (curr < end)
5787 curr++;
19e6b90e
L		 5788 break;
5789
5790 case DW_MACINFO_undef:
cd30bcef 5791 READ_ULEB (lineno, curr, end);
0c588247 5792 string = curr;
c03df922
AM		 5793 curr += strnlen ((char *) string, end - string);
5794 printf (_(" DW_MACINFO_undef - lineno : %d macro : %*s\n"),
5795 lineno, (int) (curr - string), string);
5796 if (curr < end)
5797 curr++;
19e6b90e
L		 5798 break;
5799
5800 case DW_MACINFO_vendor_ext:
5801 {
5802 unsigned int constant;
5803
cd30bcef 5804 READ_ULEB (constant, curr, end);
0c588247 5805 string = curr;
c03df922
AM		 5806 curr += strnlen ((char *) string, end - string);
5807 printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %*s\n"),
5808 constant, (int) (curr - string), string);
5809 if (curr < end)
5810 curr++;
19e6b90e
L		 5811 }
5812 break;
5813 }
5814 }
5815
5816 return 1;
5817}
5818
4ccf1e31
JJ		 5819/* Given LINE_OFFSET into the .debug_line section, attempt to return
5820 filename and dirname corresponding to file name table entry with index
5821 FILEIDX. Return NULL on failure. */
5822
5823static unsigned char *
f6f0e17b
NC		 5824get_line_filename_and_dirname (dwarf_vma line_offset,
5825 dwarf_vma fileidx,
4ccf1e31
JJ		 5826 unsigned char **dir_name)
5827{
5828 struct dwarf_section *section = &debug_displays [line].section;
5829 unsigned char *hdrptr, *dirtable, *file_name;
46d1214d 5830 unsigned int offset_size;
cd30bcef 5831 unsigned int version, opcode_base;
4ccf1e31 5832 dwarf_vma length, diridx;
f6f0e17b 5833 const unsigned char * end;
4ccf1e31
JJ		 5834
5835 *dir_name = NULL;
5836 if (section->start == NULL
5837 || line_offset >= section->size
5838 || fileidx == 0)
5839 return NULL;
5840
5841 hdrptr = section->start + line_offset;
f6f0e17b 5842 end = section->start + section->size;
0c588247
NC		 5843
5844 SAFE_BYTE_GET_AND_INC (length, hdrptr, 4, end);
4ccf1e31
JJ		 5845 if (length == 0xffffffff)
5846 {
5847 /* This section is 64-bit DWARF 3. */
0c588247 5848 SAFE_BYTE_GET_AND_INC (length, hdrptr, 8, end);
4ccf1e31 5849 offset_size = 8;
4ccf1e31
JJ		 5850 }
5851 else
46d1214d
AM		 5852 offset_size = 4;
5853
5854 if (length > (size_t) (end - hdrptr)
5855 || length < 2 + offset_size + 1 + 3 + 1)
4ccf1e31 5856 return NULL;
46d1214d 5857 end = hdrptr + length;
0c588247
NC		 5858
5859 SAFE_BYTE_GET_AND_INC (version, hdrptr, 2, end);
4ccf1e31
JJ		 5860 if (version != 2 && version != 3 && version != 4)
5861 return NULL;
5862 hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */
5863 if (version >= 4)
5864 hdrptr++; /* Skip max_ops_per_insn. */
5865 hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */
0c588247
NC		 5866
5867 SAFE_BYTE_GET_AND_INC (opcode_base, hdrptr, 1, end);
46d1214d
AM		 5868 if (opcode_base == 0
5869 || opcode_base - 1 >= (size_t) (end - hdrptr))
4ccf1e31 5870 return NULL;
0c588247 5871
4ccf1e31 5872 hdrptr += opcode_base - 1;
5c1c468d 5873
4ccf1e31
JJ		 5874 dirtable = hdrptr;
5875 /* Skip over dirname table. */
5876 while (*hdrptr != '\0')
5c1c468d 5877 {
46d1214d
AM		 5878 hdrptr += strnlen ((char *) hdrptr, end - hdrptr);
5879 if (hdrptr < end)
5880 hdrptr++;
5c1c468d
NC		 5881 if (hdrptr >= end)
5882 return NULL;
5883 }
4ccf1e31 5884 hdrptr++; /* Skip the NUL at the end of the table. */
5c1c468d 5885
4ccf1e31 5886 /* Now skip over preceding filename table entries. */
5c1c468d 5887 for (; hdrptr < end && *hdrptr != '\0' && fileidx > 1; fileidx--)
4ccf1e31 5888 {
46d1214d
AM		 5889 hdrptr += strnlen ((char *) hdrptr, end - hdrptr);
5890 if (hdrptr < end)
5891 hdrptr++;
cd30bcef
AM		 5892 SKIP_ULEB (hdrptr, end);
5893 SKIP_ULEB (hdrptr, end);
5894 SKIP_ULEB (hdrptr, end);
4ccf1e31 5895 }
5c1c468d 5896 if (hdrptr >= end || *hdrptr == '\0')
4ccf1e31 5897 return NULL;
5c1c468d 5898
4ccf1e31 5899 file_name = hdrptr;
46d1214d
AM		 5900 hdrptr += strnlen ((char *) hdrptr, end - hdrptr);
5901 if (hdrptr < end)
5902 hdrptr++;
5c1c468d
NC		 5903 if (hdrptr >= end)
5904 return NULL;
cd30bcef 5905 READ_ULEB (diridx, hdrptr, end);
4ccf1e31
JJ		 5906 if (diridx == 0)
5907 return file_name;
5c1c468d 5908 for (; dirtable < end && *dirtable != '\0' && diridx > 1; diridx--)
46d1214d
AM		 5909 {
5910 dirtable += strnlen ((char *) dirtable, end - dirtable);
5911 if (dirtable < end)
5912 dirtable++;
5913 }
5c1c468d 5914 if (dirtable >= end || *dirtable == '\0')
4ccf1e31
JJ		 5915 return NULL;
5916 *dir_name = dirtable;
5917 return file_name;
5918}
5919
5920static int
5921display_debug_macro (struct dwarf_section *section,
5922 void *file)
5923{
5924 unsigned char *start = section->start;
5925 unsigned char *end = start + section->size;
5926 unsigned char *curr = start;
5927 unsigned char *extended_op_buf[256];
015dc7e1 5928 bool is_dwo = false;
d296b736
NC		 5929 const char *suffix = strrchr (section->name, '.');
5930
5931 if (suffix && strcmp (suffix, ".dwo") == 0)
015dc7e1 5932 is_dwo = true;
4ccf1e31 5933
dda8d76d
NC		 5934 load_debug_section_with_follow (str, file);
5935 load_debug_section_with_follow (line, file);
e4b7104b 5936 load_debug_section_with_follow (str_index, file);
d296b736 5937
015dc7e1 5938 introduce (section, false);
4ccf1e31
JJ		 5939
5940 while (curr < end)
5941 {
5942 unsigned int lineno, version, flags;
d296b736 5943 unsigned int offset_size;
0c588247 5944 const unsigned char *string;
4ccf1e31
JJ		 5945 dwarf_vma line_offset = 0, sec_offset = curr - start, offset;
5946 unsigned char **extended_ops = NULL;
5947
0c588247 5948 SAFE_BYTE_GET_AND_INC (version, curr, 2, end);
7a7e1061 5949 if (version != 4 && version != 5)
4ccf1e31 5950 {
0e12f6c8
TV		 5951 error (_("Expected to find a version number of 4 or 5 in section %s but found %d instead\n"),
5952 section->name, version);
4ccf1e31
JJ		 5953 return 0;
5954 }
5955
0c588247 5956 SAFE_BYTE_GET_AND_INC (flags, curr, 1, end);
d296b736 5957 offset_size = (flags & 1) ? 8 : 4;
4ccf1e31
JJ		 5958 printf (_(" Offset: 0x%lx\n"),
5959 (unsigned long) sec_offset);
5960 printf (_(" Version: %d\n"), version);
5961 printf (_(" Offset size: %d\n"), offset_size);
5962 if (flags & 2)
5963 {
0c588247 5964 SAFE_BYTE_GET_AND_INC (line_offset, curr, offset_size, end);
4ccf1e31
JJ		 5965 printf (_(" Offset into .debug_line: 0x%lx\n"),
5966 (unsigned long) line_offset);
5967 }
5968 if (flags & 4)
5969 {
0c588247 5970 unsigned int i, count, op;
4ccf1e31 5971 dwarf_vma nargs, n;
0c588247
NC		 5972
5973 SAFE_BYTE_GET_AND_INC (count, curr, 1, end);
bf5117e3 5974
4ccf1e31
JJ		 5975 memset (extended_op_buf, 0, sizeof (extended_op_buf));
5976 extended_ops = extended_op_buf;
5977 if (count)
5978 {
5979 printf (_(" Extension opcode arguments:\n"));
5980 for (i = 0; i < count; i++)
5981 {
0c588247 5982 SAFE_BYTE_GET_AND_INC (op, curr, 1, end);
4ccf1e31 5983 extended_ops[op] = curr;
cd30bcef 5984 READ_ULEB (nargs, curr, end);
4ccf1e31 5985 if (nargs == 0)
7a7e1061 5986 printf (_(" DW_MACRO_%02x has no arguments\n"), op);
4ccf1e31
JJ		 5987 else
5988 {
7a7e1061 5989 printf (_(" DW_MACRO_%02x arguments: "), op);
4ccf1e31
JJ		 5990 for (n = 0; n < nargs; n++)
5991 {
0c588247
NC		 5992 unsigned int form;
5993
5994 SAFE_BYTE_GET_AND_INC (form, curr, 1, end);
4ccf1e31
JJ		 5995 printf ("%s%s", get_FORM_name (form),
5996 n == nargs - 1 ? "\n" : ", ");
5997 switch (form)
5998 {
5999 case DW_FORM_data1:
6000 case DW_FORM_data2:
6001 case DW_FORM_data4:
6002 case DW_FORM_data8:
6003 case DW_FORM_sdata:
6004 case DW_FORM_udata:
6005 case DW_FORM_block:
6006 case DW_FORM_block1:
6007 case DW_FORM_block2:
6008 case DW_FORM_block4:
6009 case DW_FORM_flag:
6010 case DW_FORM_string:
6011 case DW_FORM_strp:
6012 case DW_FORM_sec_offset:
6013 break;
6014 default:
6015 error (_("Invalid extension opcode form %s\n"),
6016 get_FORM_name (form));
6017 return 0;
6018 }
6019 }
6020 }
6021 }
6022 }
6023 }
6024 printf ("\n");
6025
6026 while (1)
6027 {
6028 unsigned int op;
6029
6030 if (curr >= end)
6031 {
6032 error (_(".debug_macro section not zero terminated\n"));
6033 return 0;
6034 }
6035
0c588247 6036 SAFE_BYTE_GET_AND_INC (op, curr, 1, end);
4ccf1e31
JJ		 6037 if (op == 0)
6038 break;
6039
6040 switch (op)
6041 {
e4b7104b
NC		 6042 case DW_MACRO_define:
6043 READ_ULEB (lineno, curr, end);
6044 string = curr;
b0d461ec
AM		 6045 curr += strnlen ((char *) string, end - string);
6046 printf (_(" DW_MACRO_define - lineno : %d macro : %*s\n"),
6047 lineno, (int) (curr - string), string);
6048 if (curr < end)
6049 curr++;
e4b7104b
NC		 6050 break;
6051
6052 case DW_MACRO_undef:
6053 READ_ULEB (lineno, curr, end);
6054 string = curr;
b0d461ec
AM		 6055 curr += strnlen ((char *) string, end - string);
6056 printf (_(" DW_MACRO_undef - lineno : %d macro : %*s\n"),
6057 lineno, (int) (curr - string), string);
6058 if (curr < end)
6059 curr++;
e4b7104b
NC		 6060 break;
6061
7a7e1061 6062 case DW_MACRO_start_file:
4ccf1e31
JJ		 6063 {
6064 unsigned int filenum;
6065 unsigned char *file_name = NULL, *dir_name = NULL;
6066
cd30bcef
AM		 6067 READ_ULEB (lineno, curr, end);
6068 READ_ULEB (filenum, curr, end);
4ccf1e31
JJ		 6069
6070 if ((flags & 2) == 0)
7a7e1061 6071 error (_("DW_MACRO_start_file used, but no .debug_line offset provided.\n"));
4ccf1e31
JJ		 6072 else
6073 file_name
6074 = get_line_filename_and_dirname (line_offset, filenum,
6075 &dir_name);
6076 if (file_name == NULL)
7a7e1061 6077 printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d\n"),
4ccf1e31
JJ		 6078 lineno, filenum);
6079 else
7a7e1061 6080 printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d filename: %s%s%s\n"),
4ccf1e31
JJ		 6081 lineno, filenum,
6082 dir_name != NULL ? (const char *) dir_name : "",
6083 dir_name != NULL ? "/" : "", file_name);
6084 }
6085 break;
6086
7a7e1061
JK		 6087 case DW_MACRO_end_file:
6088 printf (_(" DW_MACRO_end_file\n"));
4ccf1e31
JJ		 6089 break;
6090
7a7e1061 6091 case DW_MACRO_define_strp:
cd30bcef 6092 READ_ULEB (lineno, curr, end);
d296b736
NC		 6093 if (version == 4 && is_dwo)
6094 READ_ULEB (offset, curr, end);
6095 else
6096 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
4ccf1e31 6097 string = fetch_indirect_string (offset);
7a7e1061 6098 printf (_(" DW_MACRO_define_strp - lineno : %d macro : %s\n"),
4ccf1e31
JJ		 6099 lineno, string);
6100 break;
6101
7a7e1061 6102 case DW_MACRO_undef_strp:
cd30bcef 6103 READ_ULEB (lineno, curr, end);
d296b736
NC		 6104 if (version == 4 && is_dwo)
6105 READ_ULEB (offset, curr, end);
6106 else
6107 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
4ccf1e31 6108 string = fetch_indirect_string (offset);
7a7e1061 6109 printf (_(" DW_MACRO_undef_strp - lineno : %d macro : %s\n"),
4ccf1e31
JJ		 6110 lineno, string);
6111 break;
6112
7a7e1061 6113 case DW_MACRO_import:
0c588247 6114 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
7a7e1061 6115 printf (_(" DW_MACRO_import - offset : 0x%lx\n"),
4ccf1e31
JJ		 6116 (unsigned long) offset);
6117 break;
6118
7a7e1061 6119 case DW_MACRO_define_sup:
cd30bcef 6120 READ_ULEB (lineno, curr, end);
0c588247 6121 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
7a7e1061 6122 printf (_(" DW_MACRO_define_sup - lineno : %d macro offset : 0x%lx\n"),
a081f3cd
JJ		 6123 lineno, (unsigned long) offset);
6124 break;
6125
7a7e1061 6126 case DW_MACRO_undef_sup:
cd30bcef 6127 READ_ULEB (lineno, curr, end);
0c588247 6128 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
7a7e1061 6129 printf (_(" DW_MACRO_undef_sup - lineno : %d macro offset : 0x%lx\n"),
a081f3cd
JJ		 6130 lineno, (unsigned long) offset);
6131 break;
6132
7a7e1061 6133 case DW_MACRO_import_sup:
0c588247 6134 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
7a7e1061 6135 printf (_(" DW_MACRO_import_sup - offset : 0x%lx\n"),
a081f3cd
JJ		 6136 (unsigned long) offset);
6137 break;
6138
e4b7104b
NC		 6139 case DW_MACRO_define_strx:
6140 case DW_MACRO_undef_strx:
6141 READ_ULEB (lineno, curr, end);
6142 READ_ULEB (offset, curr, end);
6143 string = (const unsigned char *)
015dc7e1 6144 fetch_indexed_string (offset, NULL, offset_size, false);
e4b7104b
NC		 6145 if (op == DW_MACRO_define_strx)
6146 printf (" DW_MACRO_define_strx ");
6147 else
6148 printf (" DW_MACRO_undef_strx ");
6149 if (do_wide)
39f381cb 6150 printf (_("(with offset %s) "), dwarf_vmatoa ("x", offset));
e4b7104b
NC		 6151 printf (_("lineno : %d macro : %s\n"),
6152 lineno, string);
6153 break;
6154
4ccf1e31 6155 default:
e4b7104b
NC		 6156 if (op >= DW_MACRO_lo_user && op <= DW_MACRO_hi_user)
6157 {
6158 printf (_(" <Target Specific macro op: %#x - UNHANDLED"), op);
6159 break;
6160 }
6161
4ccf1e31
JJ		 6162 if (extended_ops == NULL || extended_ops[op] == NULL)
6163 {
6164 error (_(" Unknown macro opcode %02x seen\n"), op);
6165 return 0;
6166 }
6167 else
6168 {
6169 /* Skip over unhandled opcodes. */
6170 dwarf_vma nargs, n;
6171 unsigned char *desc = extended_ops[op];
cd30bcef 6172 READ_ULEB (nargs, desc, end);
4ccf1e31
JJ		 6173 if (nargs == 0)
6174 {
7a7e1061 6175 printf (_(" DW_MACRO_%02x\n"), op);
4ccf1e31
JJ		 6176 break;
6177 }
7a7e1061 6178 printf (_(" DW_MACRO_%02x -"), op);
4ccf1e31
JJ		 6179 for (n = 0; n < nargs; n++)
6180 {
0c588247
NC		 6181 int val;
6182
77145576 6183 /* DW_FORM_implicit_const is not expected here. */
0c588247 6184 SAFE_BYTE_GET_AND_INC (val, desc, 1, end);
4ccf1e31 6185 curr
77145576 6186 = read_and_display_attr_value (0, val, 0,
ec1b0fbb 6187 start, curr, end, 0, 0, offset_size,
341f9135 6188 version, NULL, 0, NULL,
ec1b0fbb 6189 NULL, ' ', -1);
4ccf1e31
JJ		 6190 if (n != nargs - 1)
6191 printf (",");
6192 }
6193 printf ("\n");
6194 }
6195 break;
6196 }
6197 }
6198
6199 printf ("\n");
b4eb7656 6200 }
4ccf1e31
JJ		 6201
6202 return 1;
6203}
6204
19e6b90e
L		 6205static int
6206display_debug_abbrev (struct dwarf_section *section,
6207 void *file ATTRIBUTE_UNUSED)
6208{
6209 abbrev_entry *entry;
6210 unsigned char *start = section->start;
19e6b90e 6211
015dc7e1 6212 introduce (section, false);
19e6b90e
L		 6213
6214 do
6215 {
bcd213b2
NC		 6216 abbrev_list * list;
6217 dwarf_vma offset;
7282333f 6218
bcd213b2 6219 offset = start - section->start;
76868f36 6220 list = find_abbrev_list_by_abbrev_offset (0, offset);
bcd213b2
NC		 6221 if (list == NULL)
6222 {
76868f36 6223 list = new_abbrev_list (0, offset);
f2f9554b 6224 start = process_abbrev_set (section, 0, section->size, offset, list);
bcd213b2
NC		 6225 list->start_of_next_abbrevs = start;
6226 }
6227 else
6228 start = list->start_of_next_abbrevs;
19e6b90e 6229
bcd213b2 6230 if (list->first_abbrev == NULL)
19e6b90e
L		 6231 continue;
6232
bcd213b2 6233 printf (_(" Number TAG (0x%lx)\n"), (long) offset);
19e6b90e 6234
bcd213b2 6235 for (entry = list->first_abbrev; entry; entry = entry->next)
19e6b90e
L		 6236 {
6237 abbrev_attr *attr;
6238
cc5914eb 6239 printf (" %ld %s [%s]\n",
bcd213b2 6240 entry->number,
19e6b90e
L		 6241 get_TAG_name (entry->tag),
6242 entry->children ? _("has children") : _("no children"));
6243
6244 for (attr = entry->first_attr; attr; attr = attr->next)
77145576
JK		 6245 {
6246 printf (" %-18s %s",
6247 get_AT_name (attr->attribute),
6248 get_FORM_name (attr->form));
6249 if (attr->form == DW_FORM_implicit_const)
6250 printf (": %" BFD_VMA_FMT "d", attr->implicit_const);
6251 putchar ('\n');
6252 }
19e6b90e
L		 6253 }
6254 }
6255 while (start);
6256
6257 printf ("\n");
6258
6259 return 1;
6260}
6261
42bcef4a
AB		 6262/* Return true when ADDR is the maximum address, when addresses are
6263 POINTER_SIZE bytes long. */
6264
015dc7e1 6265static bool
42bcef4a
AB		 6266is_max_address (dwarf_vma addr, unsigned int pointer_size)
6267{
6268 dwarf_vma mask = ~(~(dwarf_vma) 1 << (pointer_size * 8 - 1));
6269 return ((addr & mask) == mask);
6270}
6271
9f272209
AO		 6272/* Display a view pair list starting at *VSTART_PTR and ending at
6273 VLISTEND within SECTION. */
6274
6275static void
6276display_view_pair_list (struct dwarf_section *section,
6277 unsigned char **vstart_ptr,
6278 unsigned int debug_info_entry,
6279 unsigned char *vlistend)
6280{
6281 unsigned char *vstart = *vstart_ptr;
6282 unsigned char *section_end = section->start + section->size;
6283 unsigned int pointer_size = debug_information [debug_info_entry].pointer_size;
6284
6285 if (vlistend < section_end)
6286 section_end = vlistend;
6287
6288 putchar ('\n');
6289
6290 while (vstart < section_end)
6291 {
6292 dwarf_vma off = vstart - section->start;
6293 dwarf_vma vbegin, vend;
6294
cd30bcef 6295 READ_ULEB (vbegin, vstart, section_end);
9f272209 6296 if (vstart == section_end)
cd30bcef 6297 break;
9f272209 6298
cd30bcef 6299 READ_ULEB (vend, vstart, section_end);
9f272209
AO		 6300 printf (" %8.8lx ", (unsigned long) off);
6301
6302 print_dwarf_view (vbegin, pointer_size, 1);
6303 print_dwarf_view (vend, pointer_size, 1);
6304 printf (_("location view pair\n"));
6305 }
6306
6307 putchar ('\n');
6308 *vstart_ptr = vstart;
6309}
6310
4723351a
CC		 6311/* Display a location list from a normal (ie, non-dwo) .debug_loc section. */
6312
6313static void
6314display_loc_list (struct dwarf_section *section,
b4eb7656
AM		 6315 unsigned char **start_ptr,
6316 unsigned int debug_info_entry,
359ca075
JK		 6317 dwarf_vma offset,
6318 dwarf_vma base_address,
9f272209 6319 unsigned char **vstart_ptr,
b4eb7656 6320 int has_frame_base)
4723351a 6321{
9f272209 6322 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
4723351a 6323 unsigned char *section_end = section->start + section->size;
82b1b41b
NC		 6324 unsigned long cu_offset;
6325 unsigned int pointer_size;
6326 unsigned int offset_size;
6327 int dwarf_version;
4723351a
CC		 6328
6329 dwarf_vma begin;
6330 dwarf_vma end;
6331 unsigned short length;
6332 int need_frame_base;
6333
82b1b41b
NC		 6334 if (debug_info_entry >= num_debug_info_entries)
6335 {
6336 warn (_("No debug information available for loc lists of entry: %u\n"),
6337 debug_info_entry);
6338 return;
6339 }
b4eb7656 6340
82b1b41b
NC		 6341 cu_offset = debug_information [debug_info_entry].cu_offset;
6342 pointer_size = debug_information [debug_info_entry].pointer_size;
6343 offset_size = debug_information [debug_info_entry].offset_size;
6344 dwarf_version = debug_information [debug_info_entry].dwarf_version;
b4eb7656 6345
f41e4712
NC		 6346 if (pointer_size < 2 || pointer_size > 8)
6347 {
6348 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
6349 pointer_size, debug_info_entry);
6350 return;
6351 }
6352
4723351a
CC		 6353 while (1)
6354 {
359ca075 6355 dwarf_vma off = offset + (start - *start_ptr);
9f272209 6356 dwarf_vma vbegin = vm1, vend = vm1;
d1c4b12b 6357
4723351a 6358 if (start + 2 * pointer_size > section_end)
b4eb7656
AM		 6359 {
6360 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 6361 (unsigned long) offset);
b4eb7656
AM		 6362 break;
6363 }
4723351a 6364
359ca075 6365 printf (" %8.8lx ", (unsigned long) off);
fab128ef 6366
0c588247
NC		 6367 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end);
6368 SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end);
4723351a 6369
4723351a 6370 if (begin == 0 && end == 0)
b4eb7656 6371 {
d1c4b12b
NC		 6372 /* PR 18374: In a object file we can have a location list that
6373 starts with a begin and end of 0 because there are relocations
6374 that need to be applied to the addresses. Actually applying
6375 the relocations now does not help as they will probably resolve
6376 to 0, since the object file has not been fully linked. Real
6377 end of list markers will not have any relocations against them. */
6378 if (! reloc_at (section, off)
6379 && ! reloc_at (section, off + pointer_size))
6380 {
6381 printf (_("<End of list>\n"));
6382 break;
6383 }
b4eb7656 6384 }
4723351a
CC		 6385
6386 /* Check base address specifiers. */
42bcef4a
AB		 6387 if (is_max_address (begin, pointer_size)
6388 && !is_max_address (end, pointer_size))
b4eb7656
AM		 6389 {
6390 base_address = end;
6391 print_dwarf_vma (begin, pointer_size);
6392 print_dwarf_vma (end, pointer_size);
6393 printf (_("(base address)\n"));
6394 continue;
6395 }
4723351a 6396
9f272209
AO		 6397 if (vstart)
6398 {
9f272209
AO		 6399 off = offset + (vstart - *start_ptr);
6400
cd30bcef 6401 READ_ULEB (vbegin, vstart, section_end);
9f272209
AO		 6402 print_dwarf_view (vbegin, pointer_size, 1);
6403
cd30bcef 6404 READ_ULEB (vend, vstart, section_end);
9f272209
AO		 6405 print_dwarf_view (vend, pointer_size, 1);
6406
6407 printf (_("views at %8.8lx for:\n %*s "),
6408 (unsigned long) off, 8, "");
6409 }
6410
4723351a 6411 if (start + 2 > section_end)
b4eb7656
AM		 6412 {
6413 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 6414 (unsigned long) offset);
b4eb7656
AM		 6415 break;
6416 }
4723351a 6417
0c588247 6418 SAFE_BYTE_GET_AND_INC (length, start, 2, section_end);
4723351a
CC		 6419
6420 if (start + length > section_end)
b4eb7656
AM		 6421 {
6422 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 6423 (unsigned long) offset);
b4eb7656
AM		 6424 break;
6425 }
4723351a
CC		 6426
6427 print_dwarf_vma (begin + base_address, pointer_size);
6428 print_dwarf_vma (end + base_address, pointer_size);
6429
6430 putchar ('(');
6431 need_frame_base = decode_location_expression (start,
b4eb7656
AM		 6432 pointer_size,
6433 offset_size,
6434 dwarf_version,
6435 length,
6436 cu_offset, section);
4723351a
CC		 6437 putchar (')');
6438
6439 if (need_frame_base && !has_frame_base)
b4eb7656 6440 printf (_(" [without DW_AT_frame_base]"));
4723351a 6441
9f272209 6442 if (begin == end && vbegin == vend)
b4eb7656 6443 fputs (_(" (start == end)"), stdout);
9f272209 6444 else if (begin > end || (begin == end && vbegin > vend))
b4eb7656 6445 fputs (_(" (start > end)"), stdout);
4723351a
CC		 6446
6447 putchar ('\n');
6448
6449 start += length;
6450 }
6451
6452 *start_ptr = start;
9f272209 6453 *vstart_ptr = vstart;
4723351a
CC		 6454}
6455
77145576
JK		 6456/* Display a location list from a normal (ie, non-dwo) .debug_loclists section. */
6457
6458static void
6459display_loclists_list (struct dwarf_section *section,
6460 unsigned char **start_ptr,
6461 unsigned int debug_info_entry,
6462 dwarf_vma offset,
6463 dwarf_vma base_address,
9f272209 6464 unsigned char **vstart_ptr,
77145576
JK		 6465 int has_frame_base)
6466{
9f272209 6467 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
77145576
JK		 6468 unsigned char *section_end = section->start + section->size;
6469 unsigned long cu_offset;
6470 unsigned int pointer_size;
6471 unsigned int offset_size;
6472 int dwarf_version;
77145576 6473
9dfd0db9 6474 /* Initialize it due to a false compiler warning. */
9f272209
AO		 6475 dwarf_vma begin = -1, vbegin = -1;
6476 dwarf_vma end = -1, vend = -1;
77145576
JK		 6477 dwarf_vma length;
6478 int need_frame_base;
6479
6480 if (debug_info_entry >= num_debug_info_entries)
6481 {
6482 warn (_("No debug information available for "
6483 "loclists lists of entry: %u\n"),
6484 debug_info_entry);
6485 return;
6486 }
6487
6488 cu_offset = debug_information [debug_info_entry].cu_offset;
6489 pointer_size = debug_information [debug_info_entry].pointer_size;
6490 offset_size = debug_information [debug_info_entry].offset_size;
6491 dwarf_version = debug_information [debug_info_entry].dwarf_version;
6492
6493 if (pointer_size < 2 || pointer_size > 8)
6494 {
6495 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
6496 pointer_size, debug_info_entry);
6497 return;
6498 }
6499
6500 while (1)
6501 {
6502 dwarf_vma off = offset + (start - *start_ptr);
6503 enum dwarf_location_list_entry_type llet;
6504
6505 if (start + 1 > section_end)
6506 {
6507 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
6508 (unsigned long) offset);
6509 break;
6510 }
6511
6512 printf (" %8.8lx ", (unsigned long) off);
6513
6514 SAFE_BYTE_GET_AND_INC (llet, start, 1, section_end);
6515
1c9f770d
MW		 6516 if (vstart && (llet == DW_LLE_offset_pair
6517 || llet == DW_LLE_start_end
6518 || llet == DW_LLE_start_length))
9f272209
AO		 6519 {
6520 off = offset + (vstart - *start_ptr);
6521
cd30bcef 6522 READ_ULEB (vbegin, vstart, section_end);
9f272209
AO		 6523 print_dwarf_view (vbegin, pointer_size, 1);
6524
cd30bcef 6525 READ_ULEB (vend, vstart, section_end);
9f272209
AO		 6526 print_dwarf_view (vend, pointer_size, 1);
6527
6528 printf (_("views at %8.8lx for:\n %*s "),
6529 (unsigned long) off, 8, "");
6530 }
6531
77145576
JK		 6532 switch (llet)
6533 {
6534 case DW_LLE_end_of_list:
6535 printf (_("<End of list>\n"));
6536 break;
6537 case DW_LLE_offset_pair:
cd30bcef 6538 READ_ULEB (begin, start, section_end);
1c9f770d 6539 begin += base_address;
cd30bcef 6540 READ_ULEB (end, start, section_end);
1c9f770d
MW		 6541 end += base_address;
6542 break;
6543 case DW_LLE_start_end:
6544 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end);
6545 SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end);
6546 break;
6547 case DW_LLE_start_length:
6548 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end);
6549 READ_ULEB (end, start, section_end);
6550 end += begin;
77145576
JK		 6551 break;
6552 case DW_LLE_base_address:
6553 SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size,
6554 section_end);
6555 print_dwarf_vma (base_address, pointer_size);
6556 printf (_("(base address)\n"));
6557 break;
9f272209
AO		 6558#ifdef DW_LLE_view_pair
6559 case DW_LLE_view_pair:
6560 if (vstart)
6561 printf (_("View pair entry in loclist with locviews attribute\n"));
cd30bcef 6562 READ_ULEB (vbegin, start, section_end);
9f272209
AO		 6563 print_dwarf_view (vbegin, pointer_size, 1);
6564
cd30bcef 6565 READ_ULEB (vend, start, section_end);
9f272209
AO		 6566 print_dwarf_view (vend, pointer_size, 1);
6567
6568 printf (_("views for:\n"));
6569 continue;
6570#endif
77145576
JK		 6571 default:
6572 error (_("Invalid location list entry type %d\n"), llet);
6573 return;
6574 }
6575 if (llet == DW_LLE_end_of_list)
6576 break;
1c9f770d
MW		 6577 if (llet != DW_LLE_offset_pair
6578 && llet != DW_LLE_start_end
6579 && llet != DW_LLE_start_length)
77145576
JK		 6580 continue;
6581
6582 if (start + 2 > section_end)
6583 {
6584 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
6585 (unsigned long) offset);
6586 break;
6587 }
6588
cd30bcef 6589 READ_ULEB (length, start, section_end);
77145576 6590
1c9f770d
MW		 6591 print_dwarf_vma (begin, pointer_size);
6592 print_dwarf_vma (end, pointer_size);
77145576
JK		 6593
6594 putchar ('(');
6595 need_frame_base = decode_location_expression (start,
6596 pointer_size,
6597 offset_size,
6598 dwarf_version,
6599 length,
6600 cu_offset, section);
6601 putchar (')');
6602
6603 if (need_frame_base && !has_frame_base)
6604 printf (_(" [without DW_AT_frame_base]"));
6605
9f272209 6606 if (begin == end && vbegin == vend)
77145576 6607 fputs (_(" (start == end)"), stdout);
9f272209 6608 else if (begin > end || (begin == end && vbegin > vend))
77145576
JK		 6609 fputs (_(" (start > end)"), stdout);
6610
6611 putchar ('\n');
6612
6613 start += length;
9f272209 6614 vbegin = vend = -1;
77145576
JK		 6615 }
6616
9f272209
AO		 6617 if (vbegin != vm1 || vend != vm1)
6618 printf (_("Trailing view pair not used in a range"));
6619
77145576 6620 *start_ptr = start;
9f272209 6621 *vstart_ptr = vstart;
77145576
JK		 6622}
6623
fab128ef
CC		 6624/* Print a .debug_addr table index in decimal, surrounded by square brackets,
6625 right-adjusted in a field of length LEN, and followed by a space. */
6626
6627static void
6628print_addr_index (unsigned int idx, unsigned int len)
6629{
6630 static char buf[15];
6631 snprintf (buf, sizeof (buf), "[%d]", idx);
341f9135 6632 printf ("%*s ", len, buf);
fab128ef
CC		 6633}
6634
4723351a
CC		 6635/* Display a location list from a .dwo section. It uses address indexes rather
6636 than embedded addresses. This code closely follows display_loc_list, but the
6637 two are sufficiently different that combining things is very ugly. */
6638
6639static void
6640display_loc_list_dwo (struct dwarf_section *section,
b4eb7656
AM		 6641 unsigned char **start_ptr,
6642 unsigned int debug_info_entry,
359ca075 6643 dwarf_vma offset,
9f272209 6644 unsigned char **vstart_ptr,
b4eb7656 6645 int has_frame_base)
4723351a 6646{
9f272209 6647 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
4723351a 6648 unsigned char *section_end = section->start + section->size;
82b1b41b
NC		 6649 unsigned long cu_offset;
6650 unsigned int pointer_size;
6651 unsigned int offset_size;
6652 int dwarf_version;
4723351a
CC		 6653 int entry_type;
6654 unsigned short length;
6655 int need_frame_base;
fab128ef 6656 unsigned int idx;
4723351a 6657
82b1b41b
NC		 6658 if (debug_info_entry >= num_debug_info_entries)
6659 {
6660 warn (_("No debug information for loc lists of entry: %u\n"),
6661 debug_info_entry);
6662 return;
6663 }
6664
6665 cu_offset = debug_information [debug_info_entry].cu_offset;
6666 pointer_size = debug_information [debug_info_entry].pointer_size;
6667 offset_size = debug_information [debug_info_entry].offset_size;
6668 dwarf_version = debug_information [debug_info_entry].dwarf_version;
6669
f41e4712
NC		 6670 if (pointer_size < 2 || pointer_size > 8)
6671 {
6672 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
6673 pointer_size, debug_info_entry);
6674 return;
6675 }
6676
4723351a
CC		 6677 while (1)
6678 {
359ca075 6679 printf (" %8.8lx ", (unsigned long) (offset + (start - *start_ptr)));
4723351a 6680
fab128ef 6681 if (start >= section_end)
b4eb7656
AM		 6682 {
6683 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 6684 (unsigned long) offset);
b4eb7656
AM		 6685 break;
6686 }
4723351a 6687
0c588247 6688 SAFE_BYTE_GET_AND_INC (entry_type, start, 1, section_end);
9f272209
AO		 6689
6690 if (vstart)
6691 switch (entry_type)
6692 {
6693 default:
6694 break;
6695
6696 case 2:
6697 case 3:
6698 case 4:
6699 {
6700 dwarf_vma view;
6701 dwarf_vma off = offset + (vstart - *start_ptr);
6702
cd30bcef 6703 READ_ULEB (view, vstart, section_end);
9f272209
AO		 6704 print_dwarf_view (view, 8, 1);
6705
cd30bcef 6706 READ_ULEB (view, vstart, section_end);
9f272209
AO		 6707 print_dwarf_view (view, 8, 1);
6708
6709 printf (_("views at %8.8lx for:\n %*s "),
6710 (unsigned long) off, 8, "");
6711
6712 }
6713 break;
6714 }
6715
4723351a 6716 switch (entry_type)
b4eb7656
AM		 6717 {
6718 case 0: /* A terminating entry. */
6719 *start_ptr = start;
9f272209 6720 *vstart_ptr = vstart;
b4eb7656
AM		 6721 printf (_("<End of list>\n"));
6722 return;
6723 case 1: /* A base-address entry. */
cd30bcef 6724 READ_ULEB (idx, start, section_end);
b4eb7656 6725 print_addr_index (idx, 8);
9f272209 6726 printf ("%*s", 9 + (vstart ? 2 * 6 : 0), "");
b4eb7656
AM		 6727 printf (_("(base address selection entry)\n"));
6728 continue;
6729 case 2: /* A start/end entry. */
cd30bcef 6730 READ_ULEB (idx, start, section_end);
b4eb7656 6731 print_addr_index (idx, 8);
cd30bcef 6732 READ_ULEB (idx, start, section_end);
b4eb7656
AM		 6733 print_addr_index (idx, 8);
6734 break;
6735 case 3: /* A start/length entry. */
cd30bcef 6736 READ_ULEB (idx, start, section_end);
b4eb7656
AM		 6737 print_addr_index (idx, 8);
6738 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
6739 printf ("%08x ", idx);
6740 break;
6741 case 4: /* An offset pair entry. */
6742 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
6743 printf ("%08x ", idx);
6744 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
6745 printf ("%08x ", idx);
6746 break;
6747 default:
6748 warn (_("Unknown location list entry type 0x%x.\n"), entry_type);
6749 *start_ptr = start;
9f272209 6750 *vstart_ptr = vstart;
b4eb7656
AM		 6751 return;
6752 }
4723351a
CC		 6753
6754 if (start + 2 > section_end)
b4eb7656
AM		 6755 {
6756 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 6757 (unsigned long) offset);
b4eb7656
AM		 6758 break;
6759 }
4723351a 6760
0c588247 6761 SAFE_BYTE_GET_AND_INC (length, start, 2, section_end);
4723351a 6762 if (start + length > section_end)
b4eb7656
AM		 6763 {
6764 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 6765 (unsigned long) offset);
b4eb7656
AM		 6766 break;
6767 }
4723351a
CC		 6768
6769 putchar ('(');
6770 need_frame_base = decode_location_expression (start,
b4eb7656
AM		 6771 pointer_size,
6772 offset_size,
6773 dwarf_version,
6774 length,
6775 cu_offset, section);
4723351a
CC		 6776 putchar (')');
6777
6778 if (need_frame_base && !has_frame_base)
b4eb7656 6779 printf (_(" [without DW_AT_frame_base]"));
4723351a
CC		 6780
6781 putchar ('\n');
6782
6783 start += length;
6784 }
6785
6786 *start_ptr = start;
9f272209 6787 *vstart_ptr = vstart;
4723351a
CC		 6788}
6789
9f272209
AO		 6790/* Sort array of indexes in ascending order of loc_offsets[idx] and
6791 loc_views. */
51d0d03f 6792
9f272209 6793static dwarf_vma *loc_offsets, *loc_views;
51d0d03f
JJ		 6794
6795static int
6796loc_offsets_compar (const void *ap, const void *bp)
6797{
6798 dwarf_vma a = loc_offsets[*(const unsigned int *) ap];
6799 dwarf_vma b = loc_offsets[*(const unsigned int *) bp];
6800
9f272209
AO		 6801 int ret = (a > b) - (b > a);
6802 if (ret)
6803 return ret;
6804
6805 a = loc_views[*(const unsigned int *) ap];
6806 b = loc_views[*(const unsigned int *) bp];
6807
6808 ret = (a > b) - (b > a);
6809
6810 return ret;
51d0d03f
JJ		 6811}
6812
19e6b90e
L		 6813static int
6814display_debug_loc (struct dwarf_section *section, void *file)
6815{
9f272209 6816 unsigned char *start = section->start, *vstart = NULL;
19e6b90e
L		 6817 unsigned long bytes;
6818 unsigned char *section_begin = start;
6819 unsigned int num_loc_list = 0;
6820 unsigned long last_offset = 0;
9f272209 6821 unsigned long last_view = 0;
19e6b90e
L		 6822 unsigned int first = 0;
6823 unsigned int i;
6824 unsigned int j;
6825 int seen_first_offset = 0;
51d0d03f 6826 int locs_sorted = 1;
9f272209 6827 unsigned char *next = start, *vnext = vstart;
51d0d03f 6828 unsigned int *array = NULL;
4723351a 6829 const char *suffix = strrchr (section->name, '.');
015dc7e1 6830 bool is_dwo = false;
77145576
JK		 6831 int is_loclists = strstr (section->name, "debug_loclists") != NULL;
6832 dwarf_vma expected_start = 0;
4723351a
CC		 6833
6834 if (suffix && strcmp (suffix, ".dwo") == 0)
015dc7e1 6835 is_dwo = true;
19e6b90e
L		 6836
6837 bytes = section->size;
19e6b90e
L		 6838
6839 if (bytes == 0)
6840 {
6841 printf (_("\nThe %s section is empty.\n"), section->name);
6842 return 0;
6843 }
6844
77145576
JK		 6845 if (is_loclists)
6846 {
6847 unsigned char *hdrptr = section_begin;
6848 dwarf_vma ll_length;
6849 unsigned short ll_version;
6850 unsigned char *end = section_begin + section->size;
6851 unsigned char address_size, segment_selector_size;
6852 uint32_t offset_entry_count;
6853
6854 SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 4, end);
6855 if (ll_length == 0xffffffff)
6856 SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 8, end);
6857
6858 SAFE_BYTE_GET_AND_INC (ll_version, hdrptr, 2, end);
6859 if (ll_version != 5)
6860 {
6861 warn (_("The %s section contains corrupt or "
6862 "unsupported version number: %d.\n"),
6863 section->name, ll_version);
6864 return 0;
6865 }
6866
6867 SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end);
6868
6869 SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end);
6870 if (segment_selector_size != 0)
6871 {
6872 warn (_("The %s section contains "
6873 "unsupported segment selector size: %d.\n"),
6874 section->name, segment_selector_size);
6875 return 0;
6876 }
6877
6878 SAFE_BYTE_GET_AND_INC (offset_entry_count, hdrptr, 4, end);
6879 if (offset_entry_count != 0)
6880 {
6881 warn (_("The %s section contains "
6882 "unsupported offset entry count: %d.\n"),
6883 section->name, offset_entry_count);
6884 return 0;
6885 }
6886
6887 expected_start = hdrptr - section_begin;
6888 }
6889
1febe64d
NC		 6890 if (load_debug_info (file) == 0)
6891 {
6892 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
6893 section->name);
6894 return 0;
6895 }
19e6b90e
L		 6896
6897 /* Check the order of location list in .debug_info section. If
6898 offsets of location lists are in the ascending order, we can
6899 use `debug_information' directly. */
6900 for (i = 0; i < num_debug_info_entries; i++)
6901 {
6902 unsigned int num;
6903
6904 num = debug_information [i].num_loc_offsets;
51d0d03f
JJ		 6905 if (num > num_loc_list)
6906 num_loc_list = num;
19e6b90e
L		 6907
6908 /* Check if we can use `debug_information' directly. */
51d0d03f 6909 if (locs_sorted && num != 0)
19e6b90e
L		 6910 {
6911 if (!seen_first_offset)
6912 {
6913 /* This is the first location list. */
6914 last_offset = debug_information [i].loc_offsets [0];
9f272209 6915 last_view = debug_information [i].loc_views [0];
19e6b90e
L		 6916 first = i;
6917 seen_first_offset = 1;
6918 j = 1;
6919 }
6920 else
6921 j = 0;
6922
6923 for (; j < num; j++)
6924 {
6925 if (last_offset >
9f272209
AO		 6926 debug_information [i].loc_offsets [j]
6927 || (last_offset == debug_information [i].loc_offsets [j]
6928 && last_view > debug_information [i].loc_views [j]))
19e6b90e 6929 {
51d0d03f 6930 locs_sorted = 0;
19e6b90e
L		 6931 break;
6932 }
6933 last_offset = debug_information [i].loc_offsets [j];
9f272209 6934 last_view = debug_information [i].loc_views [j];
19e6b90e
L		 6935 }
6936 }
6937 }
6938
19e6b90e
L		 6939 if (!seen_first_offset)
6940 error (_("No location lists in .debug_info section!\n"));
6941
d4bfc77b 6942 if (debug_information [first].num_loc_offsets > 0
9f272209
AO		 6943 && debug_information [first].loc_offsets [0] != expected_start
6944 && debug_information [first].loc_views [0] != expected_start)
47704ddf
KT		 6945 warn (_("Location lists in %s section start at 0x%s\n"),
6946 section->name,
6947 dwarf_vmatoa ("x", debug_information [first].loc_offsets [0]));
19e6b90e 6948
51d0d03f
JJ		 6949 if (!locs_sorted)
6950 array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int));
dda8d76d 6951
015dc7e1 6952 introduce (section, false);
dda8d76d 6953
d1c4b12b
NC		 6954 if (reloc_at (section, 0))
6955 printf (_(" Warning: This section has relocations - addresses seen here may not be accurate.\n\n"));
dda8d76d 6956
d1c4b12b 6957 printf (_(" Offset Begin End Expression\n"));
19e6b90e
L		 6958
6959 seen_first_offset = 0;
6960 for (i = first; i < num_debug_info_entries; i++)
6961 {
9f272209 6962 dwarf_vma offset, voffset;
359ca075 6963 dwarf_vma base_address;
d1c4b12b 6964 unsigned int k;
19e6b90e
L		 6965 int has_frame_base;
6966
51d0d03f
JJ		 6967 if (!locs_sorted)
6968 {
6969 for (k = 0; k < debug_information [i].num_loc_offsets; k++)
6970 array[k] = k;
6971 loc_offsets = debug_information [i].loc_offsets;
9f272209 6972 loc_views = debug_information [i].loc_views;
51d0d03f
JJ		 6973 qsort (array, debug_information [i].num_loc_offsets,
6974 sizeof (*array), loc_offsets_compar);
6975 }
19e6b90e 6976
9f272209 6977 int adjacent_view_loclists = 1;
51d0d03f 6978 for (k = 0; k < debug_information [i].num_loc_offsets; k++)
19e6b90e 6979 {
51d0d03f
JJ		 6980 j = locs_sorted ? k : array[k];
6981 if (k
9f272209 6982 && (debug_information [i].loc_offsets [locs_sorted
51d0d03f 6983 ? k - 1 : array [k - 1]]
9f272209
AO		 6984 == debug_information [i].loc_offsets [j])
6985 && (debug_information [i].loc_views [locs_sorted
6986 ? k - 1 : array [k - 1]]
6987 == debug_information [i].loc_views [j]))
51d0d03f 6988 continue;
19e6b90e 6989 has_frame_base = debug_information [i].have_frame_base [j];
d493b283 6990 offset = debug_information [i].loc_offsets [j];
19e6b90e 6991 next = section_begin + offset;
9f272209
AO		 6992 voffset = debug_information [i].loc_views [j];
6993 if (voffset != vm1)
6994 vnext = section_begin + voffset;
6995 else
6996 vnext = NULL;
19e6b90e
L		 6997 base_address = debug_information [i].base_address;
6998
9f272209
AO		 6999 if (vnext && vnext < next)
7000 {
7001 vstart = vnext;
7002 display_view_pair_list (section, &vstart, i, next);
7003 if (start == vnext)
7004 start = vstart;
7005 }
7006
7007 if (!seen_first_offset || !adjacent_view_loclists)
19e6b90e
L		 7008 seen_first_offset = 1;
7009 else
7010 {
7011 if (start < next)
7012 warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"),
0af1713e 7013 (unsigned long) (start - section_begin),
c8071705 7014 (unsigned long) offset);
19e6b90e
L		 7015 else if (start > next)
7016 warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"),
0af1713e 7017 (unsigned long) (start - section_begin),
c8071705 7018 (unsigned long) offset);
19e6b90e
L		 7019 }
7020 start = next;
9f272209 7021 vstart = vnext;
19e6b90e
L		 7022
7023 if (offset >= bytes)
7024 {
7025 warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"),
359ca075 7026 (unsigned long) offset);
19e6b90e
L		 7027 continue;
7028 }
7029
9f272209
AO		 7030 if (vnext && voffset >= bytes)
7031 {
7032 warn (_("View Offset 0x%lx is bigger than .debug_loc section size.\n"),
7033 (unsigned long) voffset);
7034 continue;
7035 }
7036
77145576
JK		 7037 if (!is_loclists)
7038 {
7039 if (is_dwo)
7040 display_loc_list_dwo (section, &start, i, offset,
9f272209 7041 &vstart, has_frame_base);
77145576
JK		 7042 else
7043 display_loc_list (section, &start, i, offset, base_address,
9f272209 7044 &vstart, has_frame_base);
77145576 7045 }
b4eb7656 7046 else
77145576
JK		 7047 {
7048 if (is_dwo)
7049 warn (_("DWO is not yet supported.\n"));
7050 else
7051 display_loclists_list (section, &start, i, offset, base_address,
9f272209
AO		 7052 &vstart, has_frame_base);
7053 }
7054
7055 /* FIXME: this arrangement is quite simplistic. Nothing
7056 requires locview lists to be adjacent to corresponding
7057 loclists, and a single loclist could be augmented by
7058 different locview lists, and vice-versa, unlikely as it
7059 is that it would make sense to do so. Hopefully we'll
7060 have view pair support built into loclists before we ever
7061 need to address all these possibilities. */
7062 if (adjacent_view_loclists && vnext
7063 && vnext != start && vstart != next)
7064 {
7065 adjacent_view_loclists = 0;
7066 warn (_("Hole and overlap detection requires adjacent view lists and loclists.\n"));
77145576 7067 }
9f272209
AO		 7068
7069 if (vnext && vnext == start)
7070 display_view_pair_list (section, &start, i, vstart);
19e6b90e
L		 7071 }
7072 }
031cd65f 7073
4723351a 7074 if (start < section->start + section->size)
d3a49aa8
AM		 7075 warn (ngettext ("There is %ld unused byte at the end of section %s\n",
7076 "There are %ld unused bytes at the end of section %s\n",
7077 (long) (section->start + section->size - start)),
4723351a 7078 (long) (section->start + section->size - start), section->name);
98fb390a 7079 putchar ('\n');
51d0d03f 7080 free (array);
19e6b90e
L		 7081 return 1;
7082}
7083
7084static int
7085display_debug_str (struct dwarf_section *section,
7086 void *file ATTRIBUTE_UNUSED)
7087{
7088 unsigned char *start = section->start;
7089 unsigned long bytes = section->size;
7090 dwarf_vma addr = section->address;
7091
7092 if (bytes == 0)
7093 {
7094 printf (_("\nThe %s section is empty.\n"), section->name);
7095 return 0;
7096 }
7097
015dc7e1 7098 introduce (section, false);
19e6b90e
L		 7099
7100 while (bytes)
7101 {
7102 int j;
7103 int k;
7104 int lbytes;
7105
7106 lbytes = (bytes > 16 ? 16 : bytes);
7107
7108 printf (" 0x%8.8lx ", (unsigned long) addr);
7109
7110 for (j = 0; j < 16; j++)
7111 {
7112 if (j < lbytes)
7113 printf ("%2.2x", start[j]);
7114 else
7115 printf (" ");
7116
7117 if ((j & 3) == 3)
7118 printf (" ");
7119 }
7120
7121 for (j = 0; j < lbytes; j++)
7122 {
7123 k = start[j];
7124 if (k >= ' ' && k < 0x80)
7125 printf ("%c", k);
7126 else
7127 printf (".");
7128 }
7129
7130 putchar ('\n');
7131
7132 start += lbytes;
7133 addr += lbytes;
7134 bytes -= lbytes;
7135 }
7136
7137 putchar ('\n');
7138
7139 return 1;
7140}
7141
19e6b90e
L		 7142static int
7143display_debug_info (struct dwarf_section *section, void *file)
7144{
015dc7e1 7145 return process_debug_info (section, file, section->abbrev_sec, false, false);
19e6b90e
L		 7146}
7147
2b6f5997
CC		 7148static int
7149display_debug_types (struct dwarf_section *section, void *file)
7150{
015dc7e1 7151 return process_debug_info (section, file, section->abbrev_sec, false, true);
6f875884
TG		 7152}
7153
7154static int
7155display_trace_info (struct dwarf_section *section, void *file)
7156{
015dc7e1 7157 return process_debug_info (section, file, section->abbrev_sec, false, true);
2b6f5997 7158}
19e6b90e
L		 7159
7160static int
7161display_debug_aranges (struct dwarf_section *section,
7162 void *file ATTRIBUTE_UNUSED)
7163{
7164 unsigned char *start = section->start;
7165 unsigned char *end = start + section->size;
7166
015dc7e1 7167 introduce (section, false);
19e6b90e 7168
6e3d6dc1
NC		 7169 /* It does not matter if this load fails,
7170 we test for that later on. */
7171 load_debug_info (file);
7172
19e6b90e
L		 7173 while (start < end)
7174 {
7175 unsigned char *hdrptr;
7176 DWARF2_Internal_ARange arange;
91d6fa6a 7177 unsigned char *addr_ranges;
2d9472a2
NC		 7178 dwarf_vma length;
7179 dwarf_vma address;
e98fdf1a 7180 unsigned long sec_off;
53b8873b 7181 unsigned char address_size;
19e6b90e 7182 int excess;
bf5117e3
NC		 7183 unsigned int offset_size;
7184 unsigned int initial_length_size;
19e6b90e
L		 7185
7186 hdrptr = start;
7187
0c588247 7188 SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 4, end);
19e6b90e
L		 7189 if (arange.ar_length == 0xffffffff)
7190 {
0c588247 7191 SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 8, end);
19e6b90e
L		 7192 offset_size = 8;
7193 initial_length_size = 12;
7194 }
7195 else
7196 {
7197 offset_size = 4;
7198 initial_length_size = 4;
7199 }
7200
e98fdf1a
AM		 7201 sec_off = hdrptr - section->start;
7202 if (sec_off + arange.ar_length < sec_off
7203 || sec_off + arange.ar_length > section->size)
7204 {
7205 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
7206 section->name,
7207 sec_off - initial_length_size,
7208 dwarf_vmatoa ("x", arange.ar_length));
7209 break;
7210 }
7211
0c588247
NC		 7212 SAFE_BYTE_GET_AND_INC (arange.ar_version, hdrptr, 2, end);
7213 SAFE_BYTE_GET_AND_INC (arange.ar_info_offset, hdrptr, offset_size, end);
19e6b90e 7214
6e3d6dc1
NC		 7215 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
7216 && num_debug_info_entries > 0
7217 && find_debug_info_for_offset (arange.ar_info_offset) == NULL)
7218 warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
47704ddf 7219 (unsigned long) arange.ar_info_offset, section->name);
6e3d6dc1 7220
0c588247
NC		 7221 SAFE_BYTE_GET_AND_INC (arange.ar_pointer_size, hdrptr, 1, end);
7222 SAFE_BYTE_GET_AND_INC (arange.ar_segment_size, hdrptr, 1, end);
19e6b90e
L		 7223
7224 if (arange.ar_version != 2 && arange.ar_version != 3)
7225 {
67f101ee
NC		 7226 /* PR 19872: A version number of 0 probably means that there is
7227 padding at the end of the .debug_aranges section. Gold puts
7228 it there when performing an incremental link, for example.
7229 So do not generate a warning in this case. */
7230 if (arange.ar_version)
7231 warn (_("Only DWARF 2 and 3 aranges are currently supported.\n"));
19e6b90e
L		 7232 break;
7233 }
7234
47704ddf
KT		 7235 printf (_(" Length: %ld\n"),
7236 (long) arange.ar_length);
19e6b90e 7237 printf (_(" Version: %d\n"), arange.ar_version);
47704ddf
KT		 7238 printf (_(" Offset into .debug_info: 0x%lx\n"),
7239 (unsigned long) arange.ar_info_offset);
19e6b90e
L		 7240 printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size);
7241 printf (_(" Segment Size: %d\n"), arange.ar_segment_size);
7242
53b8873b
NC		 7243 address_size = arange.ar_pointer_size + arange.ar_segment_size;
7244
f41e4712
NC		 7245 /* PR 17512: file: 001-108546-0.001:0.1. */
7246 if (address_size == 0 || address_size > 8)
b3681d67
L		 7247 {
7248 error (_("Invalid address size in %s section!\n"),
7249 section->name);
7250 break;
7251 }
7252
53b8873b
NC		 7253 /* The DWARF spec does not require that the address size be a power
7254 of two, but we do. This will have to change if we ever encounter
7255 an uneven architecture. */
7256 if ((address_size & (address_size - 1)) != 0)
7257 {
7258 warn (_("Pointer size + Segment size is not a power of two.\n"));
7259 break;
7260 }
cecf136e 7261
209c9a13
NC		 7262 if (address_size > 4)
7263 printf (_("\n Address Length\n"));
7264 else
7265 printf (_("\n Address Length\n"));
19e6b90e 7266
91d6fa6a 7267 addr_ranges = hdrptr;
19e6b90e 7268
53b8873b
NC		 7269 /* Must pad to an alignment boundary that is twice the address size. */
7270 excess = (hdrptr - start) % (2 * address_size);
19e6b90e 7271 if (excess)
91d6fa6a 7272 addr_ranges += (2 * address_size) - excess;
19e6b90e 7273
e98fdf1a 7274 start += arange.ar_length + initial_length_size;
1617e571 7275
91d6fa6a 7276 while (addr_ranges + 2 * address_size <= start)
19e6b90e 7277 {
0c588247
NC		 7278 SAFE_BYTE_GET_AND_INC (address, addr_ranges, address_size, end);
7279 SAFE_BYTE_GET_AND_INC (length, addr_ranges, address_size, end);
19e6b90e 7280
80c35038 7281 printf (" ");
2d9472a2
NC		 7282 print_dwarf_vma (address, address_size);
7283 print_dwarf_vma (length, address_size);
7284 putchar ('\n');
19e6b90e 7285 }
19e6b90e
L		 7286 }
7287
7288 printf ("\n");
7289
7290 return 1;
7291}
7292
4723351a
CC		 7293/* Comparison function for qsort. */
7294static int
7295comp_addr_base (const void * v0, const void * v1)
7296{
d367307b
AM		 7297 debug_info *info0 = *(debug_info **) v0;
7298 debug_info *info1 = *(debug_info **) v1;
4723351a
CC		 7299 return info0->addr_base - info1->addr_base;
7300}
7301
7302/* Display the debug_addr section. */
7303static int
7304display_debug_addr (struct dwarf_section *section,
b4eb7656 7305 void *file)
4723351a
CC		 7306{
7307 debug_info **debug_addr_info;
7308 unsigned char *entry;
7309 unsigned char *end;
7310 unsigned int i;
7311 unsigned int count;
0e12f6c8 7312 unsigned char * header;
4723351a
CC		 7313
7314 if (section->size == 0)
7315 {
7316 printf (_("\nThe %s section is empty.\n"), section->name);
7317 return 0;
7318 }
7319
7320 if (load_debug_info (file) == 0)
7321 {
7322 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
7323 section->name);
7324 return 0;
7325 }
7326
015dc7e1 7327 introduce (section, false);
4723351a 7328
1306a742
NC		 7329 /* PR 17531: file: cf38d01b.
7330 We use xcalloc because a corrupt file may not have initialised all of the
7331 fields in the debug_info structure, which means that the sort below might
7332 try to move uninitialised data. */
7333 debug_addr_info = (debug_info **) xcalloc ((num_debug_info_entries + 1),
b4eb7656 7334 sizeof (debug_info *));
4723351a
CC		 7335
7336 count = 0;
7337 for (i = 0; i < num_debug_info_entries; i++)
82b1b41b 7338 if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE)
1306a742
NC		 7339 {
7340 /* PR 17531: file: cf38d01b. */
7341 if (debug_information[i].addr_base >= section->size)
7342 warn (_("Corrupt address base (%lx) found in debug section %u\n"),
7343 (unsigned long) debug_information[i].addr_base, i);
7344 else
7345 debug_addr_info [count++] = debug_information + i;
7346 }
4723351a
CC		 7347
7348 /* Add a sentinel to make iteration convenient. */
7349 debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info));
7350 debug_addr_info [count]->addr_base = section->size;
4723351a 7351 qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base);
1306a742 7352
0e12f6c8 7353 header = section->start;
4723351a
CC		 7354 for (i = 0; i < count; i++)
7355 {
7356 unsigned int idx;
fab128ef 7357 unsigned int address_size = debug_addr_info [i]->pointer_size;
4723351a
CC		 7358
7359 printf (_(" For compilation unit at offset 0x%s:\n"),
b4eb7656 7360 dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset));
4723351a 7361
fab128ef 7362 printf (_("\tIndex\tAddress\n"));
4723351a 7363 entry = section->start + debug_addr_info [i]->addr_base;
0e12f6c8
TV		 7364 if (debug_addr_info [i]->dwarf_version >= 5)
7365 {
7366 size_t header_size = entry - header;
7367 unsigned char * curr_header = header;
7368 dwarf_vma length;
7369 int version;
7370 int segment_selector_size;
7371
7372 if (header_size != 8 && header_size != 16)
7373 {
7374 warn (_("Corrupt %s section: expecting header size of 8 or 16, but found %ld instead\n"),
7375 section->name, (long) header_size);
7376 return 0;
7377 }
7378
7379 SAFE_BYTE_GET_AND_INC (length, curr_header, 4, entry);
7380 if (length == 0xffffffff)
a7077ce7 7381 SAFE_BYTE_GET_AND_INC (length, curr_header, 8, entry);
0e12f6c8
TV		 7382 end = curr_header + length;
7383
7384 SAFE_BYTE_GET_AND_INC (version, curr_header, 2, entry);
7385 if (version != 5)
7386 warn (_("Corrupt %s section: expecting version number 5 in header but found %d instead\n"),
7387 section->name, version);
7388
7389 SAFE_BYTE_GET_AND_INC (address_size, curr_header, 1, entry);
7390 SAFE_BYTE_GET_AND_INC (segment_selector_size, curr_header, 1, entry);
7391 address_size += segment_selector_size;
7392 }
7393 else
7394 end = section->start + debug_addr_info [i + 1]->addr_base;
7395 header = end;
4723351a
CC		 7396 idx = 0;
7397 while (entry < end)
b4eb7656
AM		 7398 {
7399 dwarf_vma base = byte_get (entry, address_size);
7400 printf (_("\t%d:\t"), idx);
7401 print_dwarf_vma (base, address_size);
7402 printf ("\n");
7403 entry += address_size;
7404 idx++;
7405 }
4723351a
CC		 7406 }
7407 printf ("\n");
7408
7409 free (debug_addr_info);
7410 return 1;
7411}
7412
7413/* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */
24841daa 7414
4723351a
CC		 7415static int
7416display_debug_str_offsets (struct dwarf_section *section,
b4eb7656 7417 void *file ATTRIBUTE_UNUSED)
4723351a 7418{
9f27c364
HPN		 7419 unsigned long idx;
7420
4723351a
CC		 7421 if (section->size == 0)
7422 {
7423 printf (_("\nThe %s section is empty.\n"), section->name);
7424 return 0;
7425 }
e4b7104b
NC		 7426
7427 unsigned char *start = section->start;
7428 unsigned char *end = start + section->size;
7429 unsigned char *curr = start;
7430
63b4cc53 7431 const char *suffix = strrchr (section->name, '.');
015dc7e1 7432 bool dwo = suffix && strcmp (suffix, ".dwo") == 0;
39f381cb
NC		 7433
7434 if (dwo)
7435 load_debug_section_with_follow (str_dwo, file);
7436 else
7437 load_debug_section_with_follow (str, file);
e4b7104b 7438
015dc7e1 7439 introduce (section, false);
e4b7104b
NC		 7440
7441 while (curr < end)
7442 {
7443 dwarf_vma length;
7444 dwarf_vma entry_length;
7445
7446 SAFE_BYTE_GET_AND_INC (length, curr, 4, end);
7447 /* FIXME: We assume that this means 64-bit DWARF is being used. */
7448 if (length == 0xffffffff)
7449 {
a7077ce7 7450 SAFE_BYTE_GET_AND_INC (length, curr, 8, end);
e4b7104b
NC		 7451 entry_length = 8;
7452 }
7453 else
7454 entry_length = 4;
7455
95abb394 7456 unsigned char *entries_end;
39f381cb
NC		 7457 if (length == 0)
7458 {
7459 /* This is probably an old style .debug_str_offset section which
7460 just contains offsets and no header (and the first offset is 0). */
7461 length = section->size;
7462 curr = section->start;
95abb394 7463 entries_end = end;
e4b7104b 7464
39f381cb
NC		 7465 printf (_(" Length: %#lx\n"), (unsigned long) length);
7466 printf (_(" Index Offset [String]\n"));
7467 }
7468 else
7469 {
b96a1bcb
AM		 7470 if (length <= (dwarf_vma) (end - curr))
7471 entries_end = curr + length;
7472 else
7473 {
7474 warn (_("Section %s is too small %#lx\n"),
7475 section->name, (unsigned long) section->size);
7476 entries_end = end;
7477 }
95abb394 7478
39f381cb
NC		 7479 int version;
7480 SAFE_BYTE_GET_AND_INC (version, curr, 2, end);
7481 if (version != 5)
7482 warn (_("Unexpected version number in str_offset header: %#x\n"), version);
7483
7484 int padding;
7485 SAFE_BYTE_GET_AND_INC (padding, curr, 2, end);
7486 if (padding != 0)
7487 warn (_("Unexpected value in str_offset header's padding field: %#x\n"), padding);
7488
7489 printf (_(" Length: %#lx\n"), (unsigned long) length);
7490 printf (_(" Version: %#lx\n"), (unsigned long) version);
7491 printf (_(" Index Offset [String]\n"));
7492 }
e4b7104b 7493
95abb394 7494 for (idx = 0; curr < entries_end; idx++)
e4b7104b
NC		 7495 {
7496 dwarf_vma offset;
7497 const unsigned char * string;
7498
a7077ce7 7499 if ((dwarf_vma) (entries_end - curr) < entry_length)
95abb394
TV		 7500 /* Not enough space to read one entry_length, give up. */
7501 return 0;
7502
c4375dd7 7503 SAFE_BYTE_GET_AND_INC (offset, curr, entry_length, entries_end);
39f381cb
NC		 7504 if (dwo)
7505 string = (const unsigned char *)
9f27c364 7506 fetch_indexed_string (idx, NULL, entry_length, dwo);
39f381cb
NC		 7507 else
7508 string = fetch_indirect_string (offset);
7509
9f27c364 7510 printf (" %8lu %8s %s\n", idx, dwarf_vmatoa ("x", offset),
e4b7104b
NC		 7511 string);
7512 }
7513 }
39f381cb 7514
4723351a
CC		 7515 return 1;
7516}
7517
01a8f077
JK		 7518/* Each debug_information[x].range_lists[y] gets this representation for
7519 sorting purposes. */
7520
7521struct range_entry
467c65bc
NC		 7522{
7523 /* The debug_information[x].range_lists[y] value. */
359ca075 7524 dwarf_vma ranges_offset;
01a8f077 7525
467c65bc
NC		 7526 /* Original debug_information to find parameters of the data. */
7527 debug_info *debug_info_p;
7528};
01a8f077
JK		 7529
7530/* Sort struct range_entry in ascending order of its RANGES_OFFSET. */
7531
7532static int
7533range_entry_compar (const void *ap, const void *bp)
7534{
3f5e193b
NC		 7535 const struct range_entry *a_re = (const struct range_entry *) ap;
7536 const struct range_entry *b_re = (const struct range_entry *) bp;
359ca075
JK		 7537 const dwarf_vma a = a_re->ranges_offset;
7538 const dwarf_vma b = b_re->ranges_offset;
01a8f077
JK		 7539
7540 return (a > b) - (b > a);
7541}
7542
77145576
JK		 7543static void
7544display_debug_ranges_list (unsigned char *start, unsigned char *finish,
7545 unsigned int pointer_size, unsigned long offset,
7546 unsigned long base_address)
7547{
7548 while (start < finish)
7549 {
7550 dwarf_vma begin;
7551 dwarf_vma end;
7552
7553 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
7554 if (start >= finish)
7555 break;
7556 SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish);
7557
7558 printf (" %8.8lx ", offset);
7559
7560 if (begin == 0 && end == 0)
7561 {
7562 printf (_("<End of list>\n"));
7563 break;
7564 }
7565
7566 /* Check base address specifiers. */
7567 if (is_max_address (begin, pointer_size)
7568 && !is_max_address (end, pointer_size))
7569 {
7570 base_address = end;
7571 print_dwarf_vma (begin, pointer_size);
7572 print_dwarf_vma (end, pointer_size);
7573 printf ("(base address)\n");
7574 continue;
7575 }
7576
7577 print_dwarf_vma (begin + base_address, pointer_size);
7578 print_dwarf_vma (end + base_address, pointer_size);
7579
7580 if (begin == end)
7581 fputs (_("(start == end)"), stdout);
7582 else if (begin > end)
7583 fputs (_("(start > end)"), stdout);
7584
7585 putchar ('\n');
7586 }
7587}
7588
7589static void
7590display_debug_rnglists_list (unsigned char *start, unsigned char *finish,
7591 unsigned int pointer_size, unsigned long offset,
7592 unsigned long base_address)
7593{
7594 unsigned char *next = start;
7595
7596 while (1)
7597 {
7598 unsigned long off = offset + (start - next);
7599 enum dwarf_range_list_entry rlet;
9dfd0db9
JK		 7600 /* Initialize it due to a false compiler warning. */
7601 dwarf_vma begin = -1, length, end = -1;
77145576
JK		 7602
7603 if (start + 1 > finish)
7604 {
7605 warn (_("Range list starting at offset 0x%lx is not terminated.\n"),
7606 offset);
7607 break;
7608 }
7609
7610 printf (" %8.8lx ", off);
7611
7612 SAFE_BYTE_GET_AND_INC (rlet, start, 1, finish);
7613
7614 switch (rlet)
7615 {
7616 case DW_RLE_end_of_list:
7617 printf (_("<End of list>\n"));
7618 break;
7619 case DW_RLE_base_address:
7620 SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, finish);
7621 print_dwarf_vma (base_address, pointer_size);
7622 printf (_("(base address)\n"));
7623 break;
7624 case DW_RLE_start_length:
7625 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
cd30bcef 7626 READ_ULEB (length, start, finish);
77145576
JK		 7627 end = begin + length;
7628 break;
7629 case DW_RLE_offset_pair:
cd30bcef
AM		 7630 READ_ULEB (begin, start, finish);
7631 READ_ULEB (end, start, finish);
77145576
JK		 7632 break;
7633 case DW_RLE_start_end:
7634 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
7635 SAFE_BYTE_GET_AND_INC (end, start, pointer_size, finish);
7636 break;
7637 default:
7638 error (_("Invalid range list entry type %d\n"), rlet);
7639 rlet = DW_RLE_end_of_list;
7640 break;
7641 }
7642 if (rlet == DW_RLE_end_of_list)
7643 break;
7644 if (rlet == DW_RLE_base_address)
7645 continue;
7646
4d932715
BE		 7647 /* Only a DW_RLE_offset_pair needs the base address added. */
7648 if (rlet == DW_RLE_offset_pair)
7649 {
7650 begin += base_address;
7651 end += base_address;
7652 }
7653
7654 print_dwarf_vma (begin, pointer_size);
7655 print_dwarf_vma (end, pointer_size);
77145576
JK		 7656
7657 if (begin == end)
7658 fputs (_("(start == end)"), stdout);
7659 else if (begin > end)
7660 fputs (_("(start > end)"), stdout);
7661
7662 putchar ('\n');
7663 }
7664}
7665
19e6b90e
L		 7666static int
7667display_debug_ranges (struct dwarf_section *section,
7668 void *file ATTRIBUTE_UNUSED)
7669{
7670 unsigned char *start = section->start;
a2ff7a4b 7671 unsigned char *last_start = start;
f6f0e17b 7672 unsigned long bytes = section->size;
19e6b90e 7673 unsigned char *section_begin = start;
f6f0e17b 7674 unsigned char *finish = start + bytes;
01a8f077
JK		 7675 unsigned int num_range_list, i;
7676 struct range_entry *range_entries, *range_entry_fill;
77145576
JK		 7677 int is_rnglists = strstr (section->name, "debug_rnglists") != NULL;
7678 /* Initialize it due to a false compiler warning. */
7679 unsigned char address_size = 0;
cb4c35cf 7680 dwarf_vma last_offset = 0;
19e6b90e 7681
19e6b90e
L		 7682 if (bytes == 0)
7683 {
7684 printf (_("\nThe %s section is empty.\n"), section->name);
7685 return 0;
7686 }
7687
77145576
JK		 7688 if (is_rnglists)
7689 {
7690 dwarf_vma initial_length;
7691 unsigned int initial_length_size;
7692 unsigned char segment_selector_size;
7693 unsigned int offset_size, offset_entry_count;
7694 unsigned short version;
7695
7696 /* Get and check the length of the block. */
7697 SAFE_BYTE_GET_AND_INC (initial_length, start, 4, finish);
7698
7699 if (initial_length == 0xffffffff)
7700 {
7701 /* This section is 64-bit DWARF 3. */
7702 SAFE_BYTE_GET_AND_INC (initial_length, start, 8, finish);
7703 offset_size = 8;
7704 initial_length_size = 12;
7705 }
7706 else
7707 {
7708 offset_size = 4;
7709 initial_length_size = 4;
7710 }
7711
7712 if (initial_length + initial_length_size > section->size)
7713 {
7714 /* If the length field has a relocation against it, then we should
7715 not complain if it is inaccurate (and probably negative).
7716 It is copied from .debug_line handling code. */
7717 if (reloc_at (section, (start - section->start) - offset_size))
7718 {
7719 initial_length = (finish - start) - initial_length_size;
7720 }
7721 else
7722 {
7723 warn (_("The length field (0x%lx) in the debug_rnglists header is wrong - the section is too small\n"),
7724 (long) initial_length);
7725 return 0;
7726 }
7727 }
7728
7729 /* Get and check the version number. */
7730 SAFE_BYTE_GET_AND_INC (version, start, 2, finish);
7731
7732 if (version != 5)
7733 {
7734 warn (_("Only DWARF version 5 debug_rnglists info "
7735 "is currently supported.\n"));
7736 return 0;
7737 }
7738
7739 SAFE_BYTE_GET_AND_INC (address_size, start, 1, finish);
7740
7741 SAFE_BYTE_GET_AND_INC (segment_selector_size, start, 1, finish);
7742 if (segment_selector_size != 0)
7743 {
7744 warn (_("The %s section contains "
7745 "unsupported segment selector size: %d.\n"),
7746 section->name, segment_selector_size);
7747 return 0;
7748 }
7749
7750 SAFE_BYTE_GET_AND_INC (offset_entry_count, start, 4, finish);
7751 if (offset_entry_count != 0)
7752 {
7753 warn (_("The %s section contains "
7754 "unsupported offset entry count: %u.\n"),
7755 section->name, offset_entry_count);
7756 return 0;
7757 }
7758 }
7759
1febe64d
NC		 7760 if (load_debug_info (file) == 0)
7761 {
7762 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
7763 section->name);
7764 return 0;
7765 }
19e6b90e 7766
01a8f077 7767 num_range_list = 0;
19e6b90e 7768 for (i = 0; i < num_debug_info_entries; i++)
52ff20fe
TV		 7769 {
7770 if (debug_information [i].dwarf_version < 5 && is_rnglists)
7771 /* Skip .debug_rnglists reference. */
7772 continue;
7773 if (debug_information [i].dwarf_version >= 5 && !is_rnglists)
7774 /* Skip .debug_range reference. */
7775 continue;
7776 num_range_list += debug_information [i].num_range_lists;
7777 }
19e6b90e 7778
01a8f077 7779 if (num_range_list == 0)
4723351a
CC		 7780 {
7781 /* This can happen when the file was compiled with -gsplit-debug
b4eb7656 7782 which removes references to range lists from the primary .o file. */
4723351a
CC		 7783 printf (_("No range lists in .debug_info section.\n"));
7784 return 1;
7785 }
19e6b90e 7786
3f5e193b
NC		 7787 range_entries = (struct range_entry *)
7788 xmalloc (sizeof (*range_entries) * num_range_list);
01a8f077 7789 range_entry_fill = range_entries;
19e6b90e 7790
01a8f077
JK		 7791 for (i = 0; i < num_debug_info_entries; i++)
7792 {
7793 debug_info *debug_info_p = &debug_information[i];
7794 unsigned int j;
7795
52ff20fe
TV		 7796 if (debug_information [i].dwarf_version < 5 && is_rnglists)
7797 /* Skip .debug_rnglists reference. */
7798 continue;
7799 if (debug_information [i].dwarf_version >= 5 && !is_rnglists)
7800 /* Skip .debug_range reference. */
7801 continue;
7802
01a8f077
JK		 7803 for (j = 0; j < debug_info_p->num_range_lists; j++)
7804 {
7805 range_entry_fill->ranges_offset = debug_info_p->range_lists[j];
7806 range_entry_fill->debug_info_p = debug_info_p;
7807 range_entry_fill++;
19e6b90e
L		 7808 }
7809 }
7810
01a8f077
JK		 7811 qsort (range_entries, num_range_list, sizeof (*range_entries),
7812 range_entry_compar);
19e6b90e 7813
d493b283 7814 if (dwarf_check != 0 && range_entries[0].ranges_offset != 0)
19e6b90e 7815 warn (_("Range lists in %s section start at 0x%lx\n"),
359ca075 7816 section->name, (unsigned long) range_entries[0].ranges_offset);
19e6b90e 7817
015dc7e1 7818 introduce (section, false);
dda8d76d 7819
19e6b90e
L		 7820 printf (_(" Offset Begin End\n"));
7821
01a8f077 7822 for (i = 0; i < num_range_list; i++)
19e6b90e 7823 {
01a8f077
JK		 7824 struct range_entry *range_entry = &range_entries[i];
7825 debug_info *debug_info_p = range_entry->debug_info_p;
19e6b90e 7826 unsigned int pointer_size;
359ca075 7827 dwarf_vma offset;
01a8f077 7828 unsigned char *next;
359ca075 7829 dwarf_vma base_address;
19e6b90e 7830
77145576 7831 pointer_size = (is_rnglists ? address_size : debug_info_p->pointer_size);
d493b283 7832 offset = range_entry->ranges_offset;
01a8f077
JK		 7833 next = section_begin + offset;
7834 base_address = debug_info_p->base_address;
cecf136e 7835
f41e4712
NC		 7836 /* PR 17512: file: 001-101485-0.001:0.1. */
7837 if (pointer_size < 2 || pointer_size > 8)
7838 {
7839 warn (_("Corrupt pointer size (%d) in debug entry at offset %8.8lx\n"),
359ca075 7840 pointer_size, (unsigned long) offset);
f41e4712
NC		 7841 continue;
7842 }
b4eb7656 7843
d11ae95e
NC		 7844 if (next < section_begin || next >= finish)
7845 {
7846 warn (_("Corrupt offset (%#8.8lx) in range entry %u\n"),
7847 (unsigned long) offset, i);
7848 continue;
7849 }
7850
cb4c35cf
AB		 7851 /* If multiple DWARF entities reference the same range then we will
7852 have multiple entries in the `range_entries' list for the same
7853 offset. Thanks to the sort above these will all be consecutive in
7854 the `range_entries' list, so we can easily ignore duplicates
7855 here. */
7856 if (i > 0 && last_offset == offset)
7857 continue;
7858 last_offset = offset;
7859
4723351a 7860 if (dwarf_check != 0 && i > 0)
19e6b90e 7861 {
01a8f077
JK		 7862 if (start < next)
7863 warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"),
7864 (unsigned long) (start - section_begin),
7865 (unsigned long) (next - section_begin), section->name);
7866 else if (start > next)
a2ff7a4b
AM		 7867 {
7868 if (next == last_start)
7869 continue;
7870 warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"),
7871 (unsigned long) (start - section_begin),
7872 (unsigned long) (next - section_begin), section->name);
7873 }
01a8f077 7874 }
d11ae95e 7875
01a8f077 7876 start = next;
a2ff7a4b 7877 last_start = next;
19e6b90e 7878
77145576
JK		 7879 (is_rnglists ? display_debug_rnglists_list : display_debug_ranges_list)
7880 (start, finish, pointer_size, offset, base_address);
19e6b90e
L		 7881 }
7882 putchar ('\n');
01a8f077
JK		 7883
7884 free (range_entries);
7885
19e6b90e
L		 7886 return 1;
7887}
7888
7889typedef struct Frame_Chunk
7890{
7891 struct Frame_Chunk *next;
7892 unsigned char *chunk_start;
a1165289 7893 unsigned int ncols;
19e6b90e
L		 7894 /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */
7895 short int *col_type;
7896 int *col_offset;
7897 char *augmentation;
7898 unsigned int code_factor;
7899 int data_factor;
bf5117e3
NC		 7900 dwarf_vma pc_begin;
7901 dwarf_vma pc_range;
32ef3000 7902 unsigned int cfa_reg;
c8071705 7903 dwarf_vma cfa_offset;
a1165289 7904 unsigned int ra;
19e6b90e
L		 7905 unsigned char fde_encoding;
7906 unsigned char cfa_exp;
604282a7
JJ		 7907 unsigned char ptr_size;
7908 unsigned char segment_size;
19e6b90e
L		 7909}
7910Frame_Chunk;
7911
1296bc99
AB		 7912typedef const char *(*dwarf_regname_lookup_ftype) (unsigned int);
7913static dwarf_regname_lookup_ftype dwarf_regnames_lookup_func;
665ce1f6
L		 7914static const char *const *dwarf_regnames;
7915static unsigned int dwarf_regnames_count;
7916
1296bc99 7917
19e6b90e
L		 7918/* A marker for a col_type that means this column was never referenced
7919 in the frame info. */
7920#define DW_CFA_unreferenced (-1)
7921
a1165289 7922/* Return 0 if no more space is needed, 1 if more space is needed,
665ce1f6
L		 7923 -1 for invalid reg. */
7924
7925static int
7926frame_need_space (Frame_Chunk *fc, unsigned int reg)
19e6b90e 7927{
a1165289 7928 unsigned int prev = fc->ncols;
19e6b90e 7929
665ce1f6
L		 7930 if (reg < (unsigned int) fc->ncols)
7931 return 0;
7932
d9acf707 7933 if (dwarf_regnames_count > 0
665ce1f6
L		 7934 && reg > dwarf_regnames_count)
7935 return -1;
19e6b90e
L		 7936
7937 fc->ncols = reg + 1;
a1165289
NC		 7938 /* PR 17512: file: 10450-2643-0.004.
7939 If reg == -1 then this can happen... */
7940 if (fc->ncols == 0)
7941 return -1;
7942
06614111 7943 /* PR 17512: file: 2844a11d. */
d9acf707 7944 if (fc->ncols > 1024 && dwarf_regnames_count == 0)
06614111
NC		 7945 {
7946 error (_("Unfeasibly large register number: %u\n"), reg);
7947 fc->ncols = 0;
7948 /* FIXME: 1024 is an arbitrary limit. Increase it if
7949 we ever encounter a valid binary that exceeds it. */
7950 return -1;
7951 }
7952
3f5e193b 7953 fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols,
b4eb7656 7954 sizeof (short int));
3f5e193b 7955 fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int));
b4eb7656 7956 /* PR 17512: file:002-10025-0.005. */
041830e0
NC		 7957 if (fc->col_type == NULL || fc->col_offset == NULL)
7958 {
7959 error (_("Out of memory allocating %u columns in dwarf frame arrays\n"),
7960 fc->ncols);
7961 fc->ncols = 0;
7962 return -1;
7963 }
19e6b90e
L		 7964
7965 while (prev < fc->ncols)
7966 {
7967 fc->col_type[prev] = DW_CFA_unreferenced;
7968 fc->col_offset[prev] = 0;
7969 prev++;
7970 }
665ce1f6 7971 return 1;
19e6b90e
L		 7972}
7973
2dc4cec1
L		 7974static const char *const dwarf_regnames_i386[] =
7975{
43234a1e
L		 7976 "eax", "ecx", "edx", "ebx", /* 0 - 3 */
7977 "esp", "ebp", "esi", "edi", /* 4 - 7 */
7978 "eip", "eflags", NULL, /* 8 - 10 */
7979 "st0", "st1", "st2", "st3", /* 11 - 14 */
7980 "st4", "st5", "st6", "st7", /* 15 - 18 */
7981 NULL, NULL, /* 19 - 20 */
7982 "xmm0", "xmm1", "xmm2", "xmm3", /* 21 - 24 */
7983 "xmm4", "xmm5", "xmm6", "xmm7", /* 25 - 28 */
7984 "mm0", "mm1", "mm2", "mm3", /* 29 - 32 */
7985 "mm4", "mm5", "mm6", "mm7", /* 33 - 36 */
7986 "fcw", "fsw", "mxcsr", /* 37 - 39 */
7987 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */
7988 "tr", "ldtr", /* 48 - 49 */
7989 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */
7990 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */
7991 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */
7992 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */
7993 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */
7994 NULL, NULL, NULL, /* 90 - 92 */
7995 "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" /* 93 - 100 */
2dc4cec1
L		 7996};
7997
3d875af5
L		 7998static const char *const dwarf_regnames_iamcu[] =
7999{
8000 "eax", "ecx", "edx", "ebx", /* 0 - 3 */
8001 "esp", "ebp", "esi", "edi", /* 4 - 7 */
8002 "eip", "eflags", NULL, /* 8 - 10 */
8003 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 11 - 18 */
8004 NULL, NULL, /* 19 - 20 */
8005 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 21 - 28 */
8006 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 29 - 36 */
8007 NULL, NULL, NULL, /* 37 - 39 */
8008 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */
8009 "tr", "ldtr", /* 48 - 49 */
8010 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */
8011 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */
8012 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */
8013 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */
8014 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */
8015 NULL, NULL, NULL, /* 90 - 92 */
8016 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL /* 93 - 100 */
8017};
8018
99f6fdd9 8019static void
b129eb0e
RH		 8020init_dwarf_regnames_i386 (void)
8021{
8022 dwarf_regnames = dwarf_regnames_i386;
8023 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386);
1296bc99 8024 dwarf_regnames_lookup_func = regname_internal_by_table_only;
b129eb0e
RH		 8025}
8026
99f6fdd9 8027static void
3d875af5
L		 8028init_dwarf_regnames_iamcu (void)
8029{
8030 dwarf_regnames = dwarf_regnames_iamcu;
8031 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_iamcu);
1296bc99 8032 dwarf_regnames_lookup_func = regname_internal_by_table_only;
3d875af5
L		 8033}
8034
2dc4cec1
L		 8035static const char *const dwarf_regnames_x86_64[] =
8036{
8037 "rax", "rdx", "rcx", "rbx",
8038 "rsi", "rdi", "rbp", "rsp",
8039 "r8", "r9", "r10", "r11",
8040 "r12", "r13", "r14", "r15",
8041 "rip",
8042 "xmm0", "xmm1", "xmm2", "xmm3",
8043 "xmm4", "xmm5", "xmm6", "xmm7",
8044 "xmm8", "xmm9", "xmm10", "xmm11",
8045 "xmm12", "xmm13", "xmm14", "xmm15",
8046 "st0", "st1", "st2", "st3",
8047 "st4", "st5", "st6", "st7",
8048 "mm0", "mm1", "mm2", "mm3",
8049 "mm4", "mm5", "mm6", "mm7",
8050 "rflags",
8051 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL,
8052 "fs.base", "gs.base", NULL, NULL,
8053 "tr", "ldtr",
43234a1e
L		 8054 "mxcsr", "fcw", "fsw",
8055 "xmm16", "xmm17", "xmm18", "xmm19",
8056 "xmm20", "xmm21", "xmm22", "xmm23",
8057 "xmm24", "xmm25", "xmm26", "xmm27",
8058 "xmm28", "xmm29", "xmm30", "xmm31",
8059 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 83 - 90 */
8060 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 91 - 98 */
8061 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 99 - 106 */
8062 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 107 - 114 */
8063 NULL, NULL, NULL, /* 115 - 117 */
8064 "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7"
2dc4cec1
L		 8065};
8066
99f6fdd9 8067static void
b129eb0e
RH		 8068init_dwarf_regnames_x86_64 (void)
8069{
8070 dwarf_regnames = dwarf_regnames_x86_64;
8071 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64);
1296bc99 8072 dwarf_regnames_lookup_func = regname_internal_by_table_only;
b129eb0e
RH		 8073}
8074
4ee22035
RH		 8075static const char *const dwarf_regnames_aarch64[] =
8076{
b4eb7656
AM		 8077 "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7",
8078 "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15",
4ee22035
RH		 8079 "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23",
8080 "x24", "x25", "x26", "x27", "x28", "x29", "x30", "sp",
8081 NULL, "elr", NULL, NULL, NULL, NULL, NULL, NULL,
fab7c86e
TC		 8082 NULL, NULL, NULL, NULL, NULL, NULL, "vg", "ffr",
8083 "p0", "p1", "p2", "p3", "p4", "p5", "p6", "p7",
8084 "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15",
b4eb7656
AM		 8085 "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
8086 "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15",
4ee22035
RH		 8087 "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
8088 "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31",
fab7c86e
TC		 8089 "z0", "z1", "z2", "z3", "z4", "z5", "z6", "z7",
8090 "z8", "z9", "z10", "z11", "z12", "z13", "z14", "z15",
8091 "z16", "z17", "z18", "z19", "z20", "z21", "z22", "z23",
8092 "z24", "z25", "z26", "z27", "z28", "z29", "z30", "z31",
4ee22035
RH		 8093};
8094
99f6fdd9 8095static void
4ee22035
RH		 8096init_dwarf_regnames_aarch64 (void)
8097{
8098 dwarf_regnames = dwarf_regnames_aarch64;
8099 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_aarch64);
1296bc99 8100 dwarf_regnames_lookup_func = regname_internal_by_table_only;
4ee22035
RH		 8101}
8102
d6bb17b0
AA		 8103static const char *const dwarf_regnames_s390[] =
8104{
8105 /* Avoid saying "r5 (r5)", so omit the names of r0-r15. */
8106 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
8107 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
8108 "f0", "f2", "f4", "f6", "f1", "f3", "f5", "f7",
8109 "f8", "f10", "f12", "f14", "f9", "f11", "f13", "f15",
8110 "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",
8111 "cr8", "cr9", "cr10", "cr11", "cr12", "cr13", "cr14", "cr15",
8112 "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7",
8113 "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15",
8114 "pswm", "pswa",
8115 NULL, NULL,
8116 "v16", "v18", "v20", "v22", "v17", "v19", "v21", "v23",
8117 "v24", "v26", "v28", "v30", "v25", "v27", "v29", "v31",
8118};
8119
99f6fdd9 8120static void
d6bb17b0
AA		 8121init_dwarf_regnames_s390 (void)
8122{
8123 dwarf_regnames = dwarf_regnames_s390;
8124 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_s390);
1296bc99 8125 dwarf_regnames_lookup_func = regname_internal_by_table_only;
d6bb17b0
AA		 8126}
8127
5bb0830d
AB		 8128static const char *const dwarf_regnames_riscv[] =
8129{
8130 "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", /* 0 - 7 */
8131 "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", /* 8 - 15 */
8132 "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", /* 16 - 23 */
8133 "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", /* 24 - 31 */
8134 "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", /* 32 - 39 */
8135 "fs0", "fs1", /* 40 - 41 */
8136 "fa0", "fa1", "fa2", "fa3", "fa4", "fa5", "fa6", "fa7", /* 42 - 49 */
8137 "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", "fs8", "fs9", /* 50 - 57 */
8138 "fs10", "fs11", /* 58 - 59 */
8139 "ft8", "ft9", "ft10", "ft11" /* 60 - 63 */
8140};
8141
4762fe62
AB		 8142/* A RISC-V replacement for REGNAME_INTERNAL_BY_TABLE_ONLY which handles
8143 the large number of CSRs. */
8144
8145static const char *
8146regname_internal_riscv (unsigned int regno)
8147{
8148 const char *name = NULL;
8149
8150 /* Lookup in the table first, this covers GPR and FPR. */
8151 if (regno < ARRAY_SIZE (dwarf_regnames_riscv))
8152 name = dwarf_regnames_riscv [regno];
8153 else if (regno >= 4096 && regno <= 8191)
8154 {
8155 /* This might be a CSR, these live in a sparse number space from 4096
8156 to 8191 These numbers are defined in the RISC-V ELF ABI
8157 document. */
8158 switch (regno)
8159 {
8f595e9b
NC		 8160#define DECLARE_CSR(NAME,VALUE,CLASS,DEFINE_VER,ABORT_VER) \
8161 case VALUE + 4096: name = #NAME; break;
4762fe62
AB		 8162#include "opcode/riscv-opc.h"
8163#undef DECLARE_CSR
8164
8165 default:
8166 {
8167 static char csr_name[10];
8168 snprintf (csr_name, sizeof (csr_name), "csr%d", (regno - 4096));
8169 name = csr_name;
8170 }
8171 break;
8172 }
8173 }
8174
8175 return name;
8176}
8177
99f6fdd9 8178static void
5bb0830d
AB		 8179init_dwarf_regnames_riscv (void)
8180{
4762fe62
AB		 8181 dwarf_regnames = NULL;
8182 dwarf_regnames_count = 8192;
8183 dwarf_regnames_lookup_func = regname_internal_riscv;
5bb0830d
AB		 8184}
8185
2dc4cec1 8186void
955ff7fc 8187init_dwarf_regnames_by_elf_machine_code (unsigned int e_machine)
2dc4cec1 8188{
1296bc99
AB		 8189 dwarf_regnames_lookup_func = NULL;
8190
2dc4cec1
L		 8191 switch (e_machine)
8192 {
8193 case EM_386:
b129eb0e 8194 init_dwarf_regnames_i386 ();
2dc4cec1
L		 8195 break;
8196
3d875af5
L		 8197 case EM_IAMCU:
8198 init_dwarf_regnames_iamcu ();
8199 break;
8200
2dc4cec1 8201 case EM_X86_64:
7f502d6c 8202 case EM_L1OM:
7a9068fe 8203 case EM_K1OM:
b129eb0e 8204 init_dwarf_regnames_x86_64 ();
2dc4cec1
L		 8205 break;
8206
4ee22035
RH		 8207 case EM_AARCH64:
8208 init_dwarf_regnames_aarch64 ();
8209 break;
8210
d6bb17b0
AA		 8211 case EM_S390:
8212 init_dwarf_regnames_s390 ();
8213 break;
8214
5bb0830d
AB		 8215 case EM_RISCV:
8216 init_dwarf_regnames_riscv ();
8217 break;
8218
2dc4cec1
L		 8219 default:
8220 break;
8221 }
8222}
8223
229a22cf
AB		 8224/* Initialize the DWARF register name lookup state based on the
8225 architecture and specific machine type of a BFD. */
8226
8227void
8228init_dwarf_regnames_by_bfd_arch_and_mach (enum bfd_architecture arch,
8229 unsigned long mach)
8230{
1296bc99
AB		 8231 dwarf_regnames_lookup_func = NULL;
8232
229a22cf
AB		 8233 switch (arch)
8234 {
8235 case bfd_arch_i386:
8236 switch (mach)
8237 {
8238 case bfd_mach_x86_64:
8239 case bfd_mach_x86_64_intel_syntax:
229a22cf
AB		 8240 case bfd_mach_x64_32:
8241 case bfd_mach_x64_32_intel_syntax:
229a22cf
AB		 8242 init_dwarf_regnames_x86_64 ();
8243 break;
8244
8245 default:
8246 init_dwarf_regnames_i386 ();
8247 break;
8248 }
8249 break;
8250
8251 case bfd_arch_iamcu:
8252 init_dwarf_regnames_iamcu ();
8253 break;
8254
8255 case bfd_arch_aarch64:
8256 init_dwarf_regnames_aarch64();
8257 break;
8258
8259 case bfd_arch_s390:
8260 init_dwarf_regnames_s390 ();
8261 break;
8262
8263 case bfd_arch_riscv:
8264 init_dwarf_regnames_riscv ();
8265 break;
8266
8267 default:
8268 break;
8269 }
8270}
8271
2dc4cec1 8272static const char *
1296bc99 8273regname_internal_by_table_only (unsigned int regno)
2dc4cec1 8274{
1296bc99 8275 if (dwarf_regnames != NULL
2dc4cec1
L		 8276 && regno < dwarf_regnames_count
8277 && dwarf_regnames [regno] != NULL)
1296bc99
AB		 8278 return dwarf_regnames [regno];
8279
8280 return NULL;
8281}
8282
8283static const char *
8284regname (unsigned int regno, int name_only_p)
8285{
8286 static char reg[64];
8287
8288 const char *name = NULL;
8289
8290 if (dwarf_regnames_lookup_func != NULL)
8291 name = dwarf_regnames_lookup_func (regno);
8292
8293 if (name != NULL)
2dc4cec1 8294 {
1296bc99
AB		 8295 if (name_only_p)
8296 return name;
8297 snprintf (reg, sizeof (reg), "r%d (%s)", regno, name);
2dc4cec1
L		 8298 }
8299 else
8300 snprintf (reg, sizeof (reg), "r%d", regno);
8301 return reg;
8302}
8303
19e6b90e 8304static void
a1165289 8305frame_display_row (Frame_Chunk *fc, int *need_col_headers, unsigned int *max_regs)
19e6b90e 8306{
a1165289 8307 unsigned int r;
19e6b90e
L		 8308 char tmp[100];
8309
d8024a91 8310 if (*max_regs != fc->ncols)
19e6b90e
L		 8311 *max_regs = fc->ncols;
8312
8313 if (*need_col_headers)
8314 {
8315 *need_col_headers = 0;
8316
288f0ba2 8317 printf ("%-*s CFA ", eh_addr_size * 2, " LOC");
19e6b90e
L		 8318
8319 for (r = 0; r < *max_regs; r++)
8320 if (fc->col_type[r] != DW_CFA_unreferenced)
8321 {
8322 if (r == fc->ra)
50751e18 8323 printf ("ra ");
19e6b90e 8324 else
2dc4cec1 8325 printf ("%-5s ", regname (r, 1));
19e6b90e
L		 8326 }
8327
8328 printf ("\n");
8329 }
8330
bf5117e3 8331 print_dwarf_vma (fc->pc_begin, eh_addr_size);
19e6b90e
L		 8332 if (fc->cfa_exp)
8333 strcpy (tmp, "exp");
8334 else
c8071705 8335 sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), (int) fc->cfa_offset);
19e6b90e
L		 8336 printf ("%-8s ", tmp);
8337
8338 for (r = 0; r < fc->ncols; r++)
8339 {
8340 if (fc->col_type[r] != DW_CFA_unreferenced)
8341 {
8342 switch (fc->col_type[r])
8343 {
8344 case DW_CFA_undefined:
8345 strcpy (tmp, "u");
8346 break;
8347 case DW_CFA_same_value:
8348 strcpy (tmp, "s");
8349 break;
8350 case DW_CFA_offset:
8351 sprintf (tmp, "c%+d", fc->col_offset[r]);
8352 break;
12eae2d3
JJ		 8353 case DW_CFA_val_offset:
8354 sprintf (tmp, "v%+d", fc->col_offset[r]);
8355 break;
19e6b90e 8356 case DW_CFA_register:
2dc4cec1 8357 sprintf (tmp, "%s", regname (fc->col_offset[r], 0));
19e6b90e
L		 8358 break;
8359 case DW_CFA_expression:
8360 strcpy (tmp, "exp");
8361 break;
12eae2d3
JJ		 8362 case DW_CFA_val_expression:
8363 strcpy (tmp, "vexp");
8364 break;
19e6b90e
L		 8365 default:
8366 strcpy (tmp, "n/a");
8367 break;
8368 }
2dc4cec1 8369 printf ("%-5s ", tmp);
19e6b90e
L		 8370 }
8371 }
8372 printf ("\n");
8373}
8374
49727e46 8375#define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end)
19e6b90e 8376
49727e46
AM		 8377static unsigned char *
8378read_cie (unsigned char *start, unsigned char *end,
8379 Frame_Chunk **p_cie, int *p_version,
bf59c5d5 8380 bfd_size_type *p_aug_len, unsigned char **p_aug)
49727e46
AM		 8381{
8382 int version;
8383 Frame_Chunk *fc;
49727e46 8384 unsigned char *augmentation_data = NULL;
bf59c5d5 8385 bfd_size_type augmentation_data_len = 0;
49727e46 8386
041830e0 8387 * p_cie = NULL;
f41e4712
NC		 8388 /* PR 17512: file: 001-228113-0.004. */
8389 if (start >= end)
8390 return end;
8391
49727e46
AM		 8392 fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
8393 memset (fc, 0, sizeof (Frame_Chunk));
8394
8395 fc->col_type = (short int *) xmalloc (sizeof (short int));
8396 fc->col_offset = (int *) xmalloc (sizeof (int));
8397
8398 version = *start++;
8399
8400 fc->augmentation = (char *) start;
f41e4712
NC		 8401 /* PR 17512: file: 001-228113-0.004.
8402 Skip past augmentation name, but avoid running off the end of the data. */
8403 while (start < end)
8404 if (* start ++ == '\0')
8405 break;
8406 if (start == end)
8407 {
8408 warn (_("No terminator for augmentation name\n"));
442a6ce8 8409 goto fail;
f41e4712 8410 }
49727e46
AM		 8411
8412 if (strcmp (fc->augmentation, "eh") == 0)
8413 start += eh_addr_size;
8414
8415 if (version >= 4)
8416 {
8417 GET (fc->ptr_size, 1);
77ef8654
NC		 8418 if (fc->ptr_size < 1 || fc->ptr_size > 8)
8419 {
8420 warn (_("Invalid pointer size (%d) in CIE data\n"), fc->ptr_size);
442a6ce8 8421 goto fail;
77ef8654
NC		 8422 }
8423
49727e46 8424 GET (fc->segment_size, 1);
77ef8654
NC		 8425 /* PR 17512: file: e99d2804. */
8426 if (fc->segment_size > 8 || fc->segment_size + fc->ptr_size > 8)
8427 {
8428 warn (_("Invalid segment size (%d) in CIE data\n"), fc->segment_size);
442a6ce8 8429 goto fail;
77ef8654
NC		 8430 }
8431
49727e46
AM		 8432 eh_addr_size = fc->ptr_size;
8433 }
8434 else
8435 {
8436 fc->ptr_size = eh_addr_size;
8437 fc->segment_size = 0;
8438 }
442a6ce8 8439
cd30bcef
AM		 8440 READ_ULEB (fc->code_factor, start, end);
8441 READ_SLEB (fc->data_factor, start, end);
442a6ce8 8442
49727e46
AM		 8443 if (version == 1)
8444 {
8445 GET (fc->ra, 1);
8446 }
8447 else
8448 {
cd30bcef 8449 READ_ULEB (fc->ra, start, end);
49727e46
AM		 8450 }
8451
8452 if (fc->augmentation[0] == 'z')
8453 {
cd30bcef 8454 READ_ULEB (augmentation_data_len, start, end);
49727e46 8455 augmentation_data = start;
a1165289 8456 /* PR 17512: file: 11042-2589-0.004. */
bf59c5d5 8457 if (augmentation_data_len > (bfd_size_type) (end - start))
a1165289 8458 {
bf59c5d5
NC		 8459 warn (_("Augmentation data too long: 0x%s, expected at most %#lx\n"),
8460 dwarf_vmatoa ("x", augmentation_data_len),
8461 (unsigned long) (end - start));
442a6ce8 8462 goto fail;
a1165289 8463 }
9c0f3d3f 8464 start += augmentation_data_len;
49727e46
AM		 8465 }
8466
8467 if (augmentation_data_len)
8468 {
058037d3
NC		 8469 unsigned char *p;
8470 unsigned char *q;
8471 unsigned char *qend;
b4eb7656 8472
49727e46
AM		 8473 p = (unsigned char *) fc->augmentation + 1;
8474 q = augmentation_data;
058037d3
NC		 8475 qend = q + augmentation_data_len;
8476
9c0f3d3f 8477 while (p < end && q < qend)
49727e46
AM		 8478 {
8479 if (*p == 'L')
8480 q++;
8481 else if (*p == 'P')
8482 q += 1 + size_of_encoded_value (*q);
8483 else if (*p == 'R')
8484 fc->fde_encoding = *q++;
8485 else if (*p == 'S')
8486 ;
09038062
ST		 8487 else if (*p == 'B')
8488 ;
49727e46
AM		 8489 else
8490 break;
8491 p++;
8492 }
c361b9ac
NC		 8493 /* Note - it is OK if this loop terminates with q < qend.
8494 Padding may have been inserted to align the end of the CIE. */
49727e46
AM		 8495 }
8496
8497 *p_cie = fc;
8498 if (p_version)
8499 *p_version = version;
8500 if (p_aug_len)
8501 {
8502 *p_aug_len = augmentation_data_len;
8503 *p_aug = augmentation_data;
8504 }
8505 return start;
442a6ce8
NC		 8506
8507 fail:
8508 free (fc->col_offset);
8509 free (fc->col_type);
8510 free (fc);
8511 return end;
49727e46
AM		 8512}
8513
d85bf2ba
NC		 8514/* Prints out the contents on the DATA array formatted as unsigned bytes.
8515 If do_wide is not enabled, then formats the output to fit into 80 columns.
8516 PRINTED contains the number of characters already written to the current
8517 output line. */
bf59c5d5
NC		 8518
8519static void
d85bf2ba
NC		 8520display_data (bfd_size_type printed,
8521 const unsigned char * data,
8522 const bfd_size_type len)
bf59c5d5 8523{
d85bf2ba
NC		 8524 if (do_wide || len < ((80 - printed) / 3))
8525 for (printed = 0; printed < len; ++printed)
8526 printf (" %02x", data[printed]);
bf59c5d5
NC		 8527 else
8528 {
d85bf2ba 8529 for (printed = 0; printed < len; ++printed)
bf59c5d5 8530 {
d85bf2ba 8531 if (printed % (80 / 3) == 0)
bf59c5d5 8532 putchar ('\n');
d85bf2ba 8533 printf (" %02x", data[printed]);
bf59c5d5
NC		 8534 }
8535 }
d85bf2ba
NC		 8536}
8537
8538/* Prints out the contents on the augmentation data array.
8539 If do_wide is not enabled, then formats the output to fit into 80 columns. */
8540
8541static void
8542display_augmentation_data (const unsigned char * data, const bfd_size_type len)
8543{
8544 bfd_size_type i;
8545
8546 i = printf (_(" Augmentation data: "));
8547 display_data (i, data, len);
bf59c5d5
NC		 8548}
8549
19e6b90e
L		 8550static int
8551display_debug_frames (struct dwarf_section *section,
8552 void *file ATTRIBUTE_UNUSED)
8553{
8554 unsigned char *start = section->start;
8555 unsigned char *end = start + section->size;
8556 unsigned char *section_start = start;
3391569f
NC		 8557 Frame_Chunk *chunks = NULL, *forward_refs = NULL;
8558 Frame_Chunk *remembered_state = NULL;
19e6b90e 8559 Frame_Chunk *rs;
015dc7e1 8560 bool is_eh = strcmp (section->name, ".eh_frame") == 0;
a1165289 8561 unsigned int max_regs = 0;
665ce1f6 8562 const char *bad_reg = _("bad register: ");
77ef8654 8563 unsigned int saved_eh_addr_size = eh_addr_size;
19e6b90e 8564
015dc7e1 8565 introduce (section, false);
19e6b90e
L		 8566
8567 while (start < end)
8568 {
8569 unsigned char *saved_start;
8570 unsigned char *block_end;
bf5117e3
NC		 8571 dwarf_vma length;
8572 dwarf_vma cie_id;
19e6b90e
L		 8573 Frame_Chunk *fc;
8574 Frame_Chunk *cie;
8575 int need_col_headers = 1;
8576 unsigned char *augmentation_data = NULL;
bf59c5d5 8577 bfd_size_type augmentation_data_len = 0;
bf5117e3
NC		 8578 unsigned int encoded_ptr_size = saved_eh_addr_size;
8579 unsigned int offset_size;
8580 unsigned int initial_length_size;
015dc7e1 8581 bool all_nops;
a788aedd 8582 static Frame_Chunk fde_fc;
19e6b90e
L		 8583
8584 saved_start = start;
19e6b90e 8585
0c588247 8586 SAFE_BYTE_GET_AND_INC (length, start, 4, end);
041830e0 8587
19e6b90e
L		 8588 if (length == 0)
8589 {
8590 printf ("\n%08lx ZERO terminator\n\n",
8591 (unsigned long)(saved_start - section_start));
6937bb54
NC		 8592 /* Skip any zero terminators that directly follow.
8593 A corrupt section size could have loaded a whole
8594 slew of zero filled memory bytes. eg
8595 PR 17512: file: 070-19381-0.004. */
8596 while (start < end && * start == 0)
8597 ++ start;
b758e50f 8598 continue;
19e6b90e
L		 8599 }
8600
8601 if (length == 0xffffffff)
8602 {
0c588247 8603 SAFE_BYTE_GET_AND_INC (length, start, 8, end);
19e6b90e
L		 8604 offset_size = 8;
8605 initial_length_size = 12;
8606 }
8607 else
8608 {
8609 offset_size = 4;
8610 initial_length_size = 4;
8611 }
8612
8613 block_end = saved_start + length + initial_length_size;
041830e0 8614 if (block_end > end || block_end < start)
53b8873b 8615 {
bf5117e3
NC		 8616 warn ("Invalid length 0x%s in FDE at %#08lx\n",
8617 dwarf_vmatoa_1 (NULL, length, offset_size),
8618 (unsigned long) (saved_start - section_start));
53b8873b
NC		 8619 block_end = end;
8620 }
0c588247
NC		 8621
8622 SAFE_BYTE_GET_AND_INC (cie_id, start, offset_size, end);
19e6b90e 8623
846a11e4
NC		 8624 if (is_eh ? (cie_id == 0) : ((offset_size == 4 && cie_id == DW_CIE_ID)
8625 || (offset_size == 8 && cie_id == DW64_CIE_ID)))
19e6b90e
L		 8626 {
8627 int version;
a1165289 8628 unsigned int mreg;
19e6b90e 8629
49727e46
AM		 8630 start = read_cie (start, end, &cie, &version,
8631 &augmentation_data_len, &augmentation_data);
041830e0
NC		 8632 /* PR 17512: file: 027-135133-0.005. */
8633 if (cie == NULL)
8634 break;
a1165289 8635
49727e46 8636 fc = cie;
19e6b90e
L		 8637 fc->next = chunks;
8638 chunks = fc;
8639 fc->chunk_start = saved_start;
a1165289 8640 mreg = max_regs > 0 ? max_regs - 1 : 0;
49727e46
AM		 8641 if (mreg < fc->ra)
8642 mreg = fc->ra;
06614111
NC		 8643 if (frame_need_space (fc, mreg) < 0)
8644 break;
49727e46
AM		 8645 if (fc->fde_encoding)
8646 encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
19e6b90e 8647
bf5117e3
NC		 8648 printf ("\n%08lx ", (unsigned long) (saved_start - section_start));
8649 print_dwarf_vma (length, fc->ptr_size);
9c41109d 8650 print_dwarf_vma (cie_id, offset_size);
bf5117e3 8651
19e6b90e 8652 if (do_debug_frames_interp)
bf5117e3
NC		 8653 {
8654 printf ("CIE \"%s\" cf=%d df=%d ra=%d\n", fc->augmentation,
8655 fc->code_factor, fc->data_factor, fc->ra);
8656 }
19e6b90e
L		 8657 else
8658 {
bf5117e3 8659 printf ("CIE\n");
19e6b90e
L		 8660 printf (" Version: %d\n", version);
8661 printf (" Augmentation: \"%s\"\n", fc->augmentation);
604282a7
JJ		 8662 if (version >= 4)
8663 {
8664 printf (" Pointer Size: %u\n", fc->ptr_size);
8665 printf (" Segment Size: %u\n", fc->segment_size);
8666 }
19e6b90e
L		 8667 printf (" Code alignment factor: %u\n", fc->code_factor);
8668 printf (" Data alignment factor: %d\n", fc->data_factor);
8669 printf (" Return address column: %d\n", fc->ra);
8670
8671 if (augmentation_data_len)
bf59c5d5 8672 display_augmentation_data (augmentation_data, augmentation_data_len);
a1165289 8673
19e6b90e
L		 8674 putchar ('\n');
8675 }
19e6b90e
L		 8676 }
8677 else
8678 {
8679 unsigned char *look_for;
604282a7 8680 unsigned long segment_selector;
0d872fca 8681 dwarf_vma cie_off;
19e6b90e 8682
0d872fca 8683 cie_off = cie_id;
49727e46
AM		 8684 if (is_eh)
8685 {
8686 dwarf_vma sign = (dwarf_vma) 1 << (offset_size * 8 - 1);
0d872fca
AM		 8687 cie_off = (cie_off ^ sign) - sign;
8688 cie_off = start - 4 - section_start - cie_off;
49727e46 8689 }
19e6b90e 8690
0d872fca
AM		 8691 look_for = section_start + cie_off;
8692 if (cie_off <= (dwarf_vma) (saved_start - section_start))
49727e46
AM		 8693 {
8694 for (cie = chunks; cie ; cie = cie->next)
8695 if (cie->chunk_start == look_for)
8696 break;
8697 }
d21f875d
AM		 8698 else if (cie_off >= section->size)
8699 cie = NULL;
49727e46
AM		 8700 else
8701 {
8702 for (cie = forward_refs; cie ; cie = cie->next)
8703 if (cie->chunk_start == look_for)
8704 break;
8705 if (!cie)
8706 {
8707 unsigned int off_size;
8708 unsigned char *cie_scan;
19e6b90e 8709
49727e46
AM		 8710 cie_scan = look_for;
8711 off_size = 4;
8712 SAFE_BYTE_GET_AND_INC (length, cie_scan, 4, end);
8713 if (length == 0xffffffff)
8714 {
8715 SAFE_BYTE_GET_AND_INC (length, cie_scan, 8, end);
8716 off_size = 8;
8717 }
8718 if (length != 0)
8719 {
8720 dwarf_vma c_id;
8721
8722 SAFE_BYTE_GET_AND_INC (c_id, cie_scan, off_size, end);
8723 if (is_eh
8724 ? c_id == 0
8725 : ((off_size == 4 && c_id == DW_CIE_ID)
8726 || (off_size == 8 && c_id == DW64_CIE_ID)))
8727 {
8728 int version;
a1165289 8729 unsigned int mreg;
49727e46
AM		 8730
8731 read_cie (cie_scan, end, &cie, &version,
8732 &augmentation_data_len, &augmentation_data);
a1165289
NC		 8733 /* PR 17512: file: 3450-2098-0.004. */
8734 if (cie == NULL)
8735 {
8736 warn (_("Failed to read CIE information\n"));
8737 break;
8738 }
49727e46
AM		 8739 cie->next = forward_refs;
8740 forward_refs = cie;
8741 cie->chunk_start = look_for;
a1165289 8742 mreg = max_regs > 0 ? max_regs - 1 : 0;
49727e46
AM		 8743 if (mreg < cie->ra)
8744 mreg = cie->ra;
06614111
NC		 8745 if (frame_need_space (cie, mreg) < 0)
8746 {
8747 warn (_("Invalid max register\n"));
8748 break;
8749 }
49727e46
AM		 8750 if (cie->fde_encoding)
8751 encoded_ptr_size
8752 = size_of_encoded_value (cie->fde_encoding);
8753 }
8754 }
8755 }
8756 }
8757
8758 fc = &fde_fc;
8759 memset (fc, 0, sizeof (Frame_Chunk));
19e6b90e
L		 8760
8761 if (!cie)
8762 {
bf5117e3
NC		 8763 warn ("Invalid CIE pointer 0x%s in FDE at %#08lx\n",
8764 dwarf_vmatoa_1 (NULL, cie_id, offset_size),
8765 (unsigned long) (saved_start - section_start));
19e6b90e 8766 fc->ncols = 0;
3f5e193b
NC		 8767 fc->col_type = (short int *) xmalloc (sizeof (short int));
8768 fc->col_offset = (int *) xmalloc (sizeof (int));
06614111
NC		 8769 if (frame_need_space (fc, max_regs > 0 ? max_regs - 1 : 0) < 0)
8770 {
8771 warn (_("Invalid max register\n"));
8772 break;
8773 }
19e6b90e
L		 8774 cie = fc;
8775 fc->augmentation = "";
8776 fc->fde_encoding = 0;
604282a7
JJ		 8777 fc->ptr_size = eh_addr_size;
8778 fc->segment_size = 0;
19e6b90e
L		 8779 }
8780 else
8781 {
8782 fc->ncols = cie->ncols;
3f5e193b
NC		 8783 fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int));
8784 fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int));
19e6b90e
L		 8785 memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int));
8786 memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int));
8787 fc->augmentation = cie->augmentation;
604282a7
JJ		 8788 fc->ptr_size = cie->ptr_size;
8789 eh_addr_size = cie->ptr_size;
8790 fc->segment_size = cie->segment_size;
19e6b90e
L		 8791 fc->code_factor = cie->code_factor;
8792 fc->data_factor = cie->data_factor;
8793 fc->cfa_reg = cie->cfa_reg;
8794 fc->cfa_offset = cie->cfa_offset;
8795 fc->ra = cie->ra;
06614111
NC		 8796 if (frame_need_space (fc, max_regs > 0 ? max_regs - 1: 0) < 0)
8797 {
8798 warn (_("Invalid max register\n"));
8799 break;
8800 }
19e6b90e
L		 8801 fc->fde_encoding = cie->fde_encoding;
8802 }
8803
8804 if (fc->fde_encoding)
8805 encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
8806
604282a7
JJ		 8807 segment_selector = 0;
8808 if (fc->segment_size)
c8071705
NC		 8809 {
8810 if (fc->segment_size > sizeof (segment_selector))
8811 {
8812 /* PR 17512: file: 9e196b3e. */
8813 warn (_("Probably corrupt segment size: %d - using 4 instead\n"), fc->segment_size);
8814 fc->segment_size = 4;
8815 }
8816 SAFE_BYTE_GET_AND_INC (segment_selector, start, fc->segment_size, end);
8817 }
041830e0
NC		 8818
8819 fc->pc_begin = get_encoded_value (&start, fc->fde_encoding, section, end);
19e6b90e 8820
0c588247
NC		 8821 /* FIXME: It appears that sometimes the final pc_range value is
8822 encoded in less than encoded_ptr_size bytes. See the x86_64
8823 run of the "objcopy on compressed debug sections" test for an
8824 example of this. */
8825 SAFE_BYTE_GET_AND_INC (fc->pc_range, start, encoded_ptr_size, end);
bf5117e3 8826
19e6b90e
L		 8827 if (cie->augmentation[0] == 'z')
8828 {
cd30bcef 8829 READ_ULEB (augmentation_data_len, start, end);
19e6b90e 8830 augmentation_data = start;
bf59c5d5 8831 /* PR 17512 file: 722-8446-0.004 and PR 22386. */
d292364e 8832 if (augmentation_data_len > (bfd_size_type) (end - start))
0a9d414a 8833 {
d292364e
AM		 8834 warn (_("Augmentation data too long: 0x%s, "
8835 "expected at most %#lx\n"),
8836 dwarf_vmatoa ("x", augmentation_data_len),
8837 (unsigned long) (end - start));
0a9d414a
NC		 8838 start = end;
8839 augmentation_data = NULL;
8840 augmentation_data_len = 0;
8841 }
d292364e 8842 start += augmentation_data_len;
19e6b90e
L		 8843 }
8844
bf5117e3
NC		 8845 printf ("\n%08lx %s %s FDE cie=%08lx pc=",
8846 (unsigned long)(saved_start - section_start),
8847 dwarf_vmatoa_1 (NULL, length, fc->ptr_size),
9c41109d 8848 dwarf_vmatoa_1 (NULL, cie_id, offset_size),
604282a7 8849 (unsigned long)(cie->chunk_start - section_start));
bf5117e3 8850
604282a7
JJ		 8851 if (fc->segment_size)
8852 printf ("%04lx:", segment_selector);
bf5117e3
NC		 8853
8854 printf ("%s..%s\n",
8855 dwarf_vmatoa_1 (NULL, fc->pc_begin, fc->ptr_size),
8856 dwarf_vmatoa_1 (NULL, fc->pc_begin + fc->pc_range, fc->ptr_size));
8857
19e6b90e
L		 8858 if (! do_debug_frames_interp && augmentation_data_len)
8859 {
bf59c5d5 8860 display_augmentation_data (augmentation_data, augmentation_data_len);
19e6b90e
L		 8861 putchar ('\n');
8862 }
8863 }
8864
8865 /* At this point, fc is the current chunk, cie (if any) is set, and
8866 we're about to interpret instructions for the chunk. */
8867 /* ??? At present we need to do this always, since this sizes the
8868 fc->col_type and fc->col_offset arrays, which we write into always.
8869 We should probably split the interpreted and non-interpreted bits
8870 into two different routines, since there's so much that doesn't
8871 really overlap between them. */
8872 if (1 || do_debug_frames_interp)
8873 {
8874 /* Start by making a pass over the chunk, allocating storage
8875 and taking note of what registers are used. */
8876 unsigned char *tmp = start;
8877
8878 while (start < block_end)
8879 {
041830e0
NC		 8880 unsigned int reg, op, opa;
8881 unsigned long temp;
5929c344 8882 unsigned char * new_start;
19e6b90e
L		 8883
8884 op = *start++;
8885 opa = op & 0x3f;
8886 if (op & 0xc0)
8887 op &= 0xc0;
8888
8889 /* Warning: if you add any more cases to this switch, be
8890 sure to add them to the corresponding switch below. */
8891 switch (op)
8892 {
8893 case DW_CFA_advance_loc:
8894 break;
8895 case DW_CFA_offset:
cd30bcef 8896 SKIP_ULEB (start, end);
665ce1f6
L		 8897 if (frame_need_space (fc, opa) >= 0)
8898 fc->col_type[opa] = DW_CFA_undefined;
19e6b90e
L		 8899 break;
8900 case DW_CFA_restore:
665ce1f6
L		 8901 if (frame_need_space (fc, opa) >= 0)
8902 fc->col_type[opa] = DW_CFA_undefined;
19e6b90e
L		 8903 break;
8904 case DW_CFA_set_loc:
8905 start += encoded_ptr_size;
8906 break;
8907 case DW_CFA_advance_loc1:
8908 start += 1;
8909 break;
8910 case DW_CFA_advance_loc2:
8911 start += 2;
8912 break;
8913 case DW_CFA_advance_loc4:
8914 start += 4;
8915 break;
8916 case DW_CFA_offset_extended:
12eae2d3 8917 case DW_CFA_val_offset:
cd30bcef
AM		 8918 READ_ULEB (reg, start, end);
8919 SKIP_ULEB (start, end);
665ce1f6
L		 8920 if (frame_need_space (fc, reg) >= 0)
8921 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8922 break;
8923 case DW_CFA_restore_extended:
cd30bcef 8924 READ_ULEB (reg, start, end);
665ce1f6
L		 8925 if (frame_need_space (fc, reg) >= 0)
8926 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8927 break;
8928 case DW_CFA_undefined:
cd30bcef 8929 READ_ULEB (reg, start, end);
665ce1f6
L		 8930 if (frame_need_space (fc, reg) >= 0)
8931 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8932 break;
8933 case DW_CFA_same_value:
cd30bcef 8934 READ_ULEB (reg, start, end);
665ce1f6
L		 8935 if (frame_need_space (fc, reg) >= 0)
8936 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8937 break;
8938 case DW_CFA_register:
cd30bcef
AM		 8939 READ_ULEB (reg, start, end);
8940 SKIP_ULEB (start, end);
665ce1f6
L		 8941 if (frame_need_space (fc, reg) >= 0)
8942 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8943 break;
8944 case DW_CFA_def_cfa:
cd30bcef
AM		 8945 SKIP_ULEB (start, end);
8946 SKIP_ULEB (start, end);
19e6b90e
L		 8947 break;
8948 case DW_CFA_def_cfa_register:
cd30bcef 8949 SKIP_ULEB (start, end);
19e6b90e
L		 8950 break;
8951 case DW_CFA_def_cfa_offset:
cd30bcef 8952 SKIP_ULEB (start, end);
19e6b90e
L		 8953 break;
8954 case DW_CFA_def_cfa_expression:
cd30bcef 8955 READ_ULEB (temp, start, end);
5929c344
NC		 8956 new_start = start + temp;
8957 if (new_start < start)
041830e0
NC		 8958 {
8959 warn (_("Corrupt CFA_def expression value: %lu\n"), temp);
8960 start = block_end;
8961 }
8962 else
5929c344 8963 start = new_start;
19e6b90e
L		 8964 break;
8965 case DW_CFA_expression:
12eae2d3 8966 case DW_CFA_val_expression:
cd30bcef
AM		 8967 READ_ULEB (reg, start, end);
8968 READ_ULEB (temp, start, end);
5929c344
NC		 8969 new_start = start + temp;
8970 if (new_start < start)
041830e0 8971 {
b4eb7656 8972 /* PR 17512: file:306-192417-0.005. */
041830e0
NC		 8973 warn (_("Corrupt CFA expression value: %lu\n"), temp);
8974 start = block_end;
8975 }
8976 else
5929c344 8977 start = new_start;
665ce1f6
L		 8978 if (frame_need_space (fc, reg) >= 0)
8979 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8980 break;
8981 case DW_CFA_offset_extended_sf:
12eae2d3 8982 case DW_CFA_val_offset_sf:
cd30bcef
AM		 8983 READ_ULEB (reg, start, end);
8984 SKIP_SLEB (start, end);
665ce1f6
L		 8985 if (frame_need_space (fc, reg) >= 0)
8986 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 8987 break;
8988 case DW_CFA_def_cfa_sf:
cd30bcef
AM		 8989 SKIP_ULEB (start, end);
8990 SKIP_SLEB (start, end);
19e6b90e
L		 8991 break;
8992 case DW_CFA_def_cfa_offset_sf:
cd30bcef 8993 SKIP_SLEB (start, end);
19e6b90e
L		 8994 break;
8995 case DW_CFA_MIPS_advance_loc8:
8996 start += 8;
8997 break;
8998 case DW_CFA_GNU_args_size:
cd30bcef 8999 SKIP_ULEB (start, end);
19e6b90e
L		 9000 break;
9001 case DW_CFA_GNU_negative_offset_extended:
cd30bcef
AM		 9002 READ_ULEB (reg, start, end);
9003 SKIP_ULEB (start, end);
665ce1f6
L		 9004 if (frame_need_space (fc, reg) >= 0)
9005 fc->col_type[reg] = DW_CFA_undefined;
9006 break;
19e6b90e
L		 9007 default:
9008 break;
9009 }
9010 }
9011 start = tmp;
9012 }
9013
015dc7e1 9014 all_nops = true;
5b6312fd 9015
19e6b90e
L		 9016 /* Now we know what registers are used, make a second pass over
9017 the chunk, this time actually printing out the info. */
9018
9019 while (start < block_end)
9020 {
362beea4 9021 unsigned char * tmp;
19e6b90e 9022 unsigned op, opa;
7f2c8a1d
NC		 9023 unsigned long ul, roffs;
9024 /* Note: It is tempting to use an unsigned long for 'reg' but there
9025 are various functions, notably frame_space_needed() that assume that
9026 reg is an unsigned int. */
9027 unsigned int reg;
9028 dwarf_signed_vma l;
bf5117e3 9029 dwarf_vma ofs;
19e6b90e 9030 dwarf_vma vma;
665ce1f6 9031 const char *reg_prefix = "";
19e6b90e
L		 9032
9033 op = *start++;
9034 opa = op & 0x3f;
9035 if (op & 0xc0)
9036 op &= 0xc0;
9037
5b6312fd
NC		 9038 /* Make a note if something other than DW_CFA_nop happens. */
9039 if (op != DW_CFA_nop)
015dc7e1 9040 all_nops = false;
5b6312fd 9041
19e6b90e
L		 9042 /* Warning: if you add any more cases to this switch, be
9043 sure to add them to the corresponding switch above. */
9044 switch (op)
9045 {
9046 case DW_CFA_advance_loc:
9047 if (do_debug_frames_interp)
9048 frame_display_row (fc, &need_col_headers, &max_regs);
9049 else
bf5117e3 9050 printf (" DW_CFA_advance_loc: %d to %s\n",
19e6b90e 9051 opa * fc->code_factor,
b4eb7656 9052 dwarf_vmatoa_1 (NULL,
bf5117e3
NC		 9053 fc->pc_begin + opa * fc->code_factor,
9054 fc->ptr_size));
19e6b90e
L		 9055 fc->pc_begin += opa * fc->code_factor;
9056 break;
9057
9058 case DW_CFA_offset:
cd30bcef 9059 READ_ULEB (roffs, start, end);
665ce1f6
L		 9060 if (opa >= (unsigned int) fc->ncols)
9061 reg_prefix = bad_reg;
9062 if (! do_debug_frames_interp || *reg_prefix != '\0')
9063 printf (" DW_CFA_offset: %s%s at cfa%+ld\n",
9064 reg_prefix, regname (opa, 0),
9065 roffs * fc->data_factor);
9066 if (*reg_prefix == '\0')
9067 {
9068 fc->col_type[opa] = DW_CFA_offset;
9069 fc->col_offset[opa] = roffs * fc->data_factor;
9070 }
19e6b90e
L		 9071 break;
9072
9073 case DW_CFA_restore:
50751e18 9074 if (opa >= (unsigned int) fc->ncols)
665ce1f6
L		 9075 reg_prefix = bad_reg;
9076 if (! do_debug_frames_interp || *reg_prefix != '\0')
9077 printf (" DW_CFA_restore: %s%s\n",
9078 reg_prefix, regname (opa, 0));
50751e18
AK		 9079 if (*reg_prefix != '\0')
9080 break;
9081
9082 if (opa >= (unsigned int) cie->ncols
9083 || (do_debug_frames_interp
9084 && cie->col_type[opa] == DW_CFA_unreferenced))
9085 {
9086 fc->col_type[opa] = DW_CFA_undefined;
9087 fc->col_offset[opa] = 0;
9088 }
9089 else
665ce1f6
L		 9090 {
9091 fc->col_type[opa] = cie->col_type[opa];
9092 fc->col_offset[opa] = cie->col_offset[opa];
9093 }
19e6b90e
L		 9094 break;
9095
9096 case DW_CFA_set_loc:
6937bb54 9097 vma = get_encoded_value (&start, fc->fde_encoding, section, block_end);
19e6b90e
L		 9098 if (do_debug_frames_interp)
9099 frame_display_row (fc, &need_col_headers, &max_regs);
9100 else
bf5117e3
NC		 9101 printf (" DW_CFA_set_loc: %s\n",
9102 dwarf_vmatoa_1 (NULL, vma, fc->ptr_size));
19e6b90e
L		 9103 fc->pc_begin = vma;
9104 break;
9105
9106 case DW_CFA_advance_loc1:
0c588247 9107 SAFE_BYTE_GET_AND_INC (ofs, start, 1, end);
19e6b90e
L		 9108 if (do_debug_frames_interp)
9109 frame_display_row (fc, &need_col_headers, &max_regs);
9110 else
bf5117e3
NC		 9111 printf (" DW_CFA_advance_loc1: %ld to %s\n",
9112 (unsigned long) (ofs * fc->code_factor),
9113 dwarf_vmatoa_1 (NULL,
9114 fc->pc_begin + ofs * fc->code_factor,
9115 fc->ptr_size));
19e6b90e
L		 9116 fc->pc_begin += ofs * fc->code_factor;
9117 break;
9118
9119 case DW_CFA_advance_loc2:
6937bb54 9120 SAFE_BYTE_GET_AND_INC (ofs, start, 2, block_end);
19e6b90e
L		 9121 if (do_debug_frames_interp)
9122 frame_display_row (fc, &need_col_headers, &max_regs);
9123 else
bf5117e3
NC		 9124 printf (" DW_CFA_advance_loc2: %ld to %s\n",
9125 (unsigned long) (ofs * fc->code_factor),
9126 dwarf_vmatoa_1 (NULL,
9127 fc->pc_begin + ofs * fc->code_factor,
9128 fc->ptr_size));
19e6b90e
L		 9129 fc->pc_begin += ofs * fc->code_factor;
9130 break;
9131
9132 case DW_CFA_advance_loc4:
6937bb54 9133 SAFE_BYTE_GET_AND_INC (ofs, start, 4, block_end);
19e6b90e
L		 9134 if (do_debug_frames_interp)
9135 frame_display_row (fc, &need_col_headers, &max_regs);
9136 else
bf5117e3
NC		 9137 printf (" DW_CFA_advance_loc4: %ld to %s\n",
9138 (unsigned long) (ofs * fc->code_factor),
9139 dwarf_vmatoa_1 (NULL,
9140 fc->pc_begin + ofs * fc->code_factor,
9141 fc->ptr_size));
19e6b90e
L		 9142 fc->pc_begin += ofs * fc->code_factor;
9143 break;
9144
9145 case DW_CFA_offset_extended:
cd30bcef
AM		 9146 READ_ULEB (reg, start, end);
9147 READ_ULEB (roffs, start, end);
665ce1f6
L		 9148 if (reg >= (unsigned int) fc->ncols)
9149 reg_prefix = bad_reg;
9150 if (! do_debug_frames_interp || *reg_prefix != '\0')
9151 printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n",
9152 reg_prefix, regname (reg, 0),
9153 roffs * fc->data_factor);
9154 if (*reg_prefix == '\0')
9155 {
9156 fc->col_type[reg] = DW_CFA_offset;
9157 fc->col_offset[reg] = roffs * fc->data_factor;
9158 }
19e6b90e
L		 9159 break;
9160
12eae2d3 9161 case DW_CFA_val_offset:
cd30bcef
AM		 9162 READ_ULEB (reg, start, end);
9163 READ_ULEB (roffs, start, end);
665ce1f6
L		 9164 if (reg >= (unsigned int) fc->ncols)
9165 reg_prefix = bad_reg;
9166 if (! do_debug_frames_interp || *reg_prefix != '\0')
084303b8 9167 printf (" DW_CFA_val_offset: %s%s is cfa%+ld\n",
665ce1f6
L		 9168 reg_prefix, regname (reg, 0),
9169 roffs * fc->data_factor);
9170 if (*reg_prefix == '\0')
9171 {
9172 fc->col_type[reg] = DW_CFA_val_offset;
9173 fc->col_offset[reg] = roffs * fc->data_factor;
9174 }
12eae2d3
JJ		 9175 break;
9176
19e6b90e 9177 case DW_CFA_restore_extended:
cd30bcef 9178 READ_ULEB (reg, start, end);
50751e18 9179 if (reg >= (unsigned int) fc->ncols)
665ce1f6
L		 9180 reg_prefix = bad_reg;
9181 if (! do_debug_frames_interp || *reg_prefix != '\0')
9182 printf (" DW_CFA_restore_extended: %s%s\n",
9183 reg_prefix, regname (reg, 0));
50751e18
AK		 9184 if (*reg_prefix != '\0')
9185 break;
9186
9187 if (reg >= (unsigned int) cie->ncols)
9188 {
9189 fc->col_type[reg] = DW_CFA_undefined;
9190 fc->col_offset[reg] = 0;
9191 }
9192 else
665ce1f6
L		 9193 {
9194 fc->col_type[reg] = cie->col_type[reg];
9195 fc->col_offset[reg] = cie->col_offset[reg];
9196 }
19e6b90e
L		 9197 break;
9198
9199 case DW_CFA_undefined:
cd30bcef 9200 READ_ULEB (reg, start, end);
665ce1f6
L		 9201 if (reg >= (unsigned int) fc->ncols)
9202 reg_prefix = bad_reg;
9203 if (! do_debug_frames_interp || *reg_prefix != '\0')
9204 printf (" DW_CFA_undefined: %s%s\n",
9205 reg_prefix, regname (reg, 0));
9206 if (*reg_prefix == '\0')
9207 {
9208 fc->col_type[reg] = DW_CFA_undefined;
9209 fc->col_offset[reg] = 0;
9210 }
19e6b90e
L		 9211 break;
9212
9213 case DW_CFA_same_value:
cd30bcef 9214 READ_ULEB (reg, start, end);
665ce1f6
L		 9215 if (reg >= (unsigned int) fc->ncols)
9216 reg_prefix = bad_reg;
9217 if (! do_debug_frames_interp || *reg_prefix != '\0')
9218 printf (" DW_CFA_same_value: %s%s\n",
9219 reg_prefix, regname (reg, 0));
9220 if (*reg_prefix == '\0')
9221 {
9222 fc->col_type[reg] = DW_CFA_same_value;
9223 fc->col_offset[reg] = 0;
9224 }
19e6b90e
L		 9225 break;
9226
9227 case DW_CFA_register:
cd30bcef
AM		 9228 READ_ULEB (reg, start, end);
9229 READ_ULEB (roffs, start, end);
665ce1f6
L		 9230 if (reg >= (unsigned int) fc->ncols)
9231 reg_prefix = bad_reg;
9232 if (! do_debug_frames_interp || *reg_prefix != '\0')
2dc4cec1 9233 {
665ce1f6
L		 9234 printf (" DW_CFA_register: %s%s in ",
9235 reg_prefix, regname (reg, 0));
2dc4cec1
L		 9236 puts (regname (roffs, 0));
9237 }
665ce1f6
L		 9238 if (*reg_prefix == '\0')
9239 {
9240 fc->col_type[reg] = DW_CFA_register;
9241 fc->col_offset[reg] = roffs;
9242 }
19e6b90e
L		 9243 break;
9244
9245 case DW_CFA_remember_state:
9246 if (! do_debug_frames_interp)
9247 printf (" DW_CFA_remember_state\n");
3f5e193b 9248 rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
b4eb7656 9249 rs->cfa_offset = fc->cfa_offset;
d71ad7fc
RC		 9250 rs->cfa_reg = fc->cfa_reg;
9251 rs->ra = fc->ra;
9252 rs->cfa_exp = fc->cfa_exp;
19e6b90e 9253 rs->ncols = fc->ncols;
3f5e193b 9254 rs->col_type = (short int *) xcmalloc (rs->ncols,
b4eb7656 9255 sizeof (* rs->col_type));
d71ad7fc
RC		 9256 rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (* rs->col_offset));
9257 memcpy (rs->col_type, fc->col_type, rs->ncols * sizeof (* fc->col_type));
9258 memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (* fc->col_offset));
19e6b90e
L		 9259 rs->next = remembered_state;
9260 remembered_state = rs;
9261 break;
9262
9263 case DW_CFA_restore_state:
9264 if (! do_debug_frames_interp)
9265 printf (" DW_CFA_restore_state\n");
9266 rs = remembered_state;
9267 if (rs)
9268 {
9269 remembered_state = rs->next;
d71ad7fc
RC		 9270 fc->cfa_offset = rs->cfa_offset;
9271 fc->cfa_reg = rs->cfa_reg;
b4eb7656
AM		 9272 fc->ra = rs->ra;
9273 fc->cfa_exp = rs->cfa_exp;
06614111
NC		 9274 if (frame_need_space (fc, rs->ncols - 1) < 0)
9275 {
1306a742 9276 warn (_("Invalid column number in saved frame state\n"));
06614111
NC		 9277 fc->ncols = 0;
9278 break;
9279 }
d71ad7fc 9280 memcpy (fc->col_type, rs->col_type, rs->ncols * sizeof (* rs->col_type));
19e6b90e 9281 memcpy (fc->col_offset, rs->col_offset,
d71ad7fc 9282 rs->ncols * sizeof (* rs->col_offset));
19e6b90e
L		 9283 free (rs->col_type);
9284 free (rs->col_offset);
9285 free (rs);
9286 }
9287 else if (do_debug_frames_interp)
9288 printf ("Mismatched DW_CFA_restore_state\n");
9289 break;
9290
9291 case DW_CFA_def_cfa:
cd30bcef
AM		 9292 READ_ULEB (fc->cfa_reg, start, end);
9293 READ_ULEB (fc->cfa_offset, start, end);
19e6b90e
L		 9294 fc->cfa_exp = 0;
9295 if (! do_debug_frames_interp)
2dc4cec1 9296 printf (" DW_CFA_def_cfa: %s ofs %d\n",
c8071705 9297 regname (fc->cfa_reg, 0), (int) fc->cfa_offset);
19e6b90e
L		 9298 break;
9299
9300 case DW_CFA_def_cfa_register:
cd30bcef 9301 READ_ULEB (fc->cfa_reg, start, end);
19e6b90e
L		 9302 fc->cfa_exp = 0;
9303 if (! do_debug_frames_interp)
2dc4cec1
L		 9304 printf (" DW_CFA_def_cfa_register: %s\n",
9305 regname (fc->cfa_reg, 0));
19e6b90e
L		 9306 break;
9307
9308 case DW_CFA_def_cfa_offset:
cd30bcef 9309 READ_ULEB (fc->cfa_offset, start, end);
19e6b90e 9310 if (! do_debug_frames_interp)
c8071705 9311 printf (" DW_CFA_def_cfa_offset: %d\n", (int) fc->cfa_offset);
19e6b90e
L		 9312 break;
9313
9314 case DW_CFA_nop:
9315 if (! do_debug_frames_interp)
9316 printf (" DW_CFA_nop\n");
9317 break;
9318
9319 case DW_CFA_def_cfa_expression:
cd30bcef 9320 READ_ULEB (ul, start, end);
7460c0ab 9321 if (start >= block_end || ul > (unsigned long) (block_end - start))
6937bb54 9322 {
a1165289 9323 printf (_(" DW_CFA_def_cfa_expression: <corrupt len %lu>\n"), ul);
6937bb54
NC		 9324 break;
9325 }
19e6b90e
L		 9326 if (! do_debug_frames_interp)
9327 {
9328 printf (" DW_CFA_def_cfa_expression (");
b7807392
JJ		 9329 decode_location_expression (start, eh_addr_size, 0, -1,
9330 ul, 0, section);
19e6b90e
L		 9331 printf (")\n");
9332 }
9333 fc->cfa_exp = 1;
9334 start += ul;
9335 break;
9336
9337 case DW_CFA_expression:
cd30bcef
AM		 9338 READ_ULEB (reg, start, end);
9339 READ_ULEB (ul, start, end);
665ce1f6
L		 9340 if (reg >= (unsigned int) fc->ncols)
9341 reg_prefix = bad_reg;
6937bb54 9342 /* PR 17512: file: 069-133014-0.006. */
06614111 9343 /* PR 17512: file: 98c02eb4. */
362beea4
NC		 9344 tmp = start + ul;
9345 if (start >= block_end || tmp > block_end || tmp < start)
6937bb54 9346 {
a1165289 9347 printf (_(" DW_CFA_expression: <corrupt len %lu>\n"), ul);
6937bb54
NC		 9348 break;
9349 }
665ce1f6 9350 if (! do_debug_frames_interp || *reg_prefix != '\0')
19e6b90e 9351 {
665ce1f6
L		 9352 printf (" DW_CFA_expression: %s%s (",
9353 reg_prefix, regname (reg, 0));
b7807392 9354 decode_location_expression (start, eh_addr_size, 0, -1,
f1c4cc75 9355 ul, 0, section);
19e6b90e
L		 9356 printf (")\n");
9357 }
665ce1f6
L		 9358 if (*reg_prefix == '\0')
9359 fc->col_type[reg] = DW_CFA_expression;
362beea4 9360 start = tmp;
19e6b90e
L		 9361 break;
9362
12eae2d3 9363 case DW_CFA_val_expression:
cd30bcef
AM		 9364 READ_ULEB (reg, start, end);
9365 READ_ULEB (ul, start, end);
665ce1f6
L		 9366 if (reg >= (unsigned int) fc->ncols)
9367 reg_prefix = bad_reg;
362beea4
NC		 9368 tmp = start + ul;
9369 if (start >= block_end || tmp > block_end || tmp < start)
6937bb54 9370 {
a1165289 9371 printf (" DW_CFA_val_expression: <corrupt len %lu>\n", ul);
6937bb54
NC		 9372 break;
9373 }
665ce1f6 9374 if (! do_debug_frames_interp || *reg_prefix != '\0')
12eae2d3 9375 {
665ce1f6
L		 9376 printf (" DW_CFA_val_expression: %s%s (",
9377 reg_prefix, regname (reg, 0));
b7807392
JJ		 9378 decode_location_expression (start, eh_addr_size, 0, -1,
9379 ul, 0, section);
12eae2d3
JJ		 9380 printf (")\n");
9381 }
665ce1f6
L		 9382 if (*reg_prefix == '\0')
9383 fc->col_type[reg] = DW_CFA_val_expression;
362beea4 9384 start = tmp;
12eae2d3
JJ		 9385 break;
9386
19e6b90e 9387 case DW_CFA_offset_extended_sf:
cd30bcef
AM		 9388 READ_ULEB (reg, start, end);
9389 READ_SLEB (l, start, end);
665ce1f6
L		 9390 if (frame_need_space (fc, reg) < 0)
9391 reg_prefix = bad_reg;
9392 if (! do_debug_frames_interp || *reg_prefix != '\0')
9393 printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n",
9394 reg_prefix, regname (reg, 0),
c8071705 9395 (long)(l * fc->data_factor));
665ce1f6
L		 9396 if (*reg_prefix == '\0')
9397 {
9398 fc->col_type[reg] = DW_CFA_offset;
9399 fc->col_offset[reg] = l * fc->data_factor;
9400 }
19e6b90e
L		 9401 break;
9402
12eae2d3 9403 case DW_CFA_val_offset_sf:
cd30bcef
AM		 9404 READ_ULEB (reg, start, end);
9405 READ_SLEB (l, start, end);
665ce1f6
L		 9406 if (frame_need_space (fc, reg) < 0)
9407 reg_prefix = bad_reg;
9408 if (! do_debug_frames_interp || *reg_prefix != '\0')
084303b8 9409 printf (" DW_CFA_val_offset_sf: %s%s is cfa%+ld\n",
665ce1f6 9410 reg_prefix, regname (reg, 0),
c8071705 9411 (long)(l * fc->data_factor));
665ce1f6
L		 9412 if (*reg_prefix == '\0')
9413 {
9414 fc->col_type[reg] = DW_CFA_val_offset;
9415 fc->col_offset[reg] = l * fc->data_factor;
9416 }
12eae2d3
JJ		 9417 break;
9418
19e6b90e 9419 case DW_CFA_def_cfa_sf:
cd30bcef
AM		 9420 READ_ULEB (fc->cfa_reg, start, end);
9421 READ_ULEB (fc->cfa_offset, start, end);
19e6b90e
L		 9422 fc->cfa_offset = fc->cfa_offset * fc->data_factor;
9423 fc->cfa_exp = 0;
9424 if (! do_debug_frames_interp)
2dc4cec1 9425 printf (" DW_CFA_def_cfa_sf: %s ofs %d\n",
c8071705 9426 regname (fc->cfa_reg, 0), (int) fc->cfa_offset);
19e6b90e
L		 9427 break;
9428
9429 case DW_CFA_def_cfa_offset_sf:
cd30bcef 9430 READ_ULEB (fc->cfa_offset, start, end);
c8071705 9431 fc->cfa_offset *= fc->data_factor;
19e6b90e 9432 if (! do_debug_frames_interp)
c8071705 9433 printf (" DW_CFA_def_cfa_offset_sf: %d\n", (int) fc->cfa_offset);
19e6b90e
L		 9434 break;
9435
9436 case DW_CFA_MIPS_advance_loc8:
6937bb54 9437 SAFE_BYTE_GET_AND_INC (ofs, start, 8, block_end);
19e6b90e
L		 9438 if (do_debug_frames_interp)
9439 frame_display_row (fc, &need_col_headers, &max_regs);
9440 else
bf5117e3
NC		 9441 printf (" DW_CFA_MIPS_advance_loc8: %ld to %s\n",
9442 (unsigned long) (ofs * fc->code_factor),
9443 dwarf_vmatoa_1 (NULL,
9444 fc->pc_begin + ofs * fc->code_factor,
9445 fc->ptr_size));
19e6b90e
L		 9446 fc->pc_begin += ofs * fc->code_factor;
9447 break;
9448
9449 case DW_CFA_GNU_window_save:
9450 if (! do_debug_frames_interp)
9451 printf (" DW_CFA_GNU_window_save\n");
9452 break;
9453
9454 case DW_CFA_GNU_args_size:
cd30bcef 9455 READ_ULEB (ul, start, end);
19e6b90e
L		 9456 if (! do_debug_frames_interp)
9457 printf (" DW_CFA_GNU_args_size: %ld\n", ul);
9458 break;
9459
9460 case DW_CFA_GNU_negative_offset_extended:
cd30bcef
AM		 9461 READ_ULEB (reg, start, end);
9462 READ_SLEB (l, start, end);
7f2c8a1d 9463 l = - l;
665ce1f6
L		 9464 if (frame_need_space (fc, reg) < 0)
9465 reg_prefix = bad_reg;
9466 if (! do_debug_frames_interp || *reg_prefix != '\0')
9467 printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n",
9468 reg_prefix, regname (reg, 0),
c8071705 9469 (long)(l * fc->data_factor));
665ce1f6
L		 9470 if (*reg_prefix == '\0')
9471 {
9472 fc->col_type[reg] = DW_CFA_offset;
9473 fc->col_offset[reg] = l * fc->data_factor;
9474 }
19e6b90e
L		 9475 break;
9476
9477 default:
53b8873b
NC		 9478 if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user)
9479 printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op);
9480 else
f41e4712 9481 warn (_("Unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op);
19e6b90e
L		 9482 start = block_end;
9483 }
9484 }
9485
5b6312fd
NC		 9486 /* Interpret the CFA - as long as it is not completely full of NOPs. */
9487 if (do_debug_frames_interp && ! all_nops)
19e6b90e
L		 9488 frame_display_row (fc, &need_col_headers, &max_regs);
9489
a788aedd
AM		 9490 if (fde_fc.col_type != NULL)
9491 {
9492 free (fde_fc.col_type);
9493 fde_fc.col_type = NULL;
9494 }
9495 if (fde_fc.col_offset != NULL)
9496 {
9497 free (fde_fc.col_offset);
9498 fde_fc.col_offset = NULL;
9499 }
9500
19e6b90e 9501 start = block_end;
604282a7 9502 eh_addr_size = saved_eh_addr_size;
19e6b90e
L		 9503 }
9504
9505 printf ("\n");
9506
3391569f
NC		 9507 while (remembered_state != NULL)
9508 {
9509 rs = remembered_state;
9510 remembered_state = rs->next;
9511 free (rs->col_type);
9512 free (rs->col_offset);
9513 rs->next = NULL; /* Paranoia. */
9514 free (rs);
9515 }
9516
9517 while (chunks != NULL)
9518 {
9519 rs = chunks;
9520 chunks = rs->next;
9521 free (rs->col_type);
9522 free (rs->col_offset);
9523 rs->next = NULL; /* Paranoia. */
9524 free (rs);
9525 }
9526
9527 while (forward_refs != NULL)
9528 {
9529 rs = forward_refs;
9530 forward_refs = rs->next;
9531 free (rs->col_type);
9532 free (rs->col_offset);
9533 rs->next = NULL; /* Paranoia. */
9534 free (rs);
9535 }
9536
19e6b90e
L		 9537 return 1;
9538}
9539
9540#undef GET
19e6b90e 9541
61364358
JK		 9542static int
9543display_debug_names (struct dwarf_section *section, void *file)
9544{
9545 unsigned char *hdrptr = section->start;
9546 dwarf_vma unit_length;
9547 unsigned char *unit_start;
9548 const unsigned char *const section_end = section->start + section->size;
9549 unsigned char *unit_end;
9550
015dc7e1 9551 introduce (section, false);
61364358 9552
dda8d76d 9553 load_debug_section_with_follow (str, file);
61364358
JK		 9554
9555 for (; hdrptr < section_end; hdrptr = unit_end)
9556 {
9557 unsigned int offset_size;
9558 uint16_t dwarf_version, padding;
9559 uint32_t comp_unit_count, local_type_unit_count, foreign_type_unit_count;
9560 uint32_t bucket_count, name_count, abbrev_table_size;
9561 uint32_t augmentation_string_size;
9562 unsigned int i;
e98fdf1a 9563 unsigned long sec_off;
015dc7e1 9564 bool augmentation_printable;
48467cb9 9565 const char *augmentation_string;
61364358
JK		 9566
9567 unit_start = hdrptr;
9568
9569 /* Get and check the length of the block. */
9570 SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 4, section_end);
9571
9572 if (unit_length == 0xffffffff)
9573 {
9574 /* This section is 64-bit DWARF. */
9575 SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 8, section_end);
9576 offset_size = 8;
9577 }
9578 else
9579 offset_size = 4;
9580 unit_end = hdrptr + unit_length;
9581
e98fdf1a
AM		 9582 sec_off = hdrptr - section->start;
9583 if (sec_off + unit_length < sec_off
9584 || sec_off + unit_length > section->size)
61364358 9585 {
e98fdf1a
AM		 9586 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
9587 section->name,
9588 (unsigned long) (unit_start - section->start),
9589 dwarf_vmatoa ("x", unit_length));
61364358
JK		 9590 return 0;
9591 }
9592
9593 /* Get and check the version number. */
9594 SAFE_BYTE_GET_AND_INC (dwarf_version, hdrptr, 2, unit_end);
9595 printf (_("Version %ld\n"), (long) dwarf_version);
9596
9597 /* Prior versions did not exist, and future versions may not be
9598 backwards compatible. */
9599 if (dwarf_version != 5)
9600 {
9601 warn (_("Only DWARF version 5 .debug_names "
9602 "is currently supported.\n"));
9603 return 0;
9604 }
9605
9606 SAFE_BYTE_GET_AND_INC (padding, hdrptr, 2, unit_end);
9607 if (padding != 0)
9608 warn (_("Padding field of .debug_names must be 0 (found 0x%x)\n"),
9609 padding);
9610
9611 SAFE_BYTE_GET_AND_INC (comp_unit_count, hdrptr, 4, unit_end);
9612 if (comp_unit_count == 0)
9613 warn (_("Compilation unit count must be >= 1 in .debug_names\n"));
9614
9615 SAFE_BYTE_GET_AND_INC (local_type_unit_count, hdrptr, 4, unit_end);
9616 SAFE_BYTE_GET_AND_INC (foreign_type_unit_count, hdrptr, 4, unit_end);
9617 SAFE_BYTE_GET_AND_INC (bucket_count, hdrptr, 4, unit_end);
9618 SAFE_BYTE_GET_AND_INC (name_count, hdrptr, 4, unit_end);
9619 SAFE_BYTE_GET_AND_INC (abbrev_table_size, hdrptr, 4, unit_end);
9620
9621 SAFE_BYTE_GET_AND_INC (augmentation_string_size, hdrptr, 4, unit_end);
9622 if (augmentation_string_size % 4 != 0)
9623 {
9624 warn (_("Augmentation string length %u must be rounded up "
9625 "to a multiple of 4 in .debug_names.\n"),
9626 augmentation_string_size);
9627 augmentation_string_size += (-augmentation_string_size) & 3;
9628 }
48467cb9 9629
61364358 9630 printf (_("Augmentation string:"));
48467cb9 9631
015dc7e1 9632 augmentation_printable = true;
48467cb9
TV		 9633 augmentation_string = (const char *) hdrptr;
9634
61364358
JK		 9635 for (i = 0; i < augmentation_string_size; i++)
9636 {
9637 unsigned char uc;
9638
9639 SAFE_BYTE_GET_AND_INC (uc, hdrptr, 1, unit_end);
9640 printf (" %02x", uc);
48467cb9
TV		 9641
9642 if (uc != 0 && !ISPRINT (uc))
015dc7e1 9643 augmentation_printable = false;
48467cb9
TV		 9644 }
9645
9646 if (augmentation_printable)
9647 {
9648 printf (" (\"");
9649 for (i = 0;
9650 i < augmentation_string_size && augmentation_string[i];
9651 ++i)
9652 putchar (augmentation_string[i]);
9653 printf ("\")");
61364358 9654 }
61364358
JK		 9655 putchar ('\n');
9656
9657 printf (_("CU table:\n"));
9658 for (i = 0; i < comp_unit_count; i++)
9659 {
9660 uint64_t cu_offset;
9661
9662 SAFE_BYTE_GET_AND_INC (cu_offset, hdrptr, offset_size, unit_end);
9663 printf (_("[%3u] 0x%lx\n"), i, (unsigned long) cu_offset);
9664 }
9665 putchar ('\n');
9666
9667 printf (_("TU table:\n"));
9668 for (i = 0; i < local_type_unit_count; i++)
9669 {
9670 uint64_t tu_offset;
9671
9672 SAFE_BYTE_GET_AND_INC (tu_offset, hdrptr, offset_size, unit_end);
9673 printf (_("[%3u] 0x%lx\n"), i, (unsigned long) tu_offset);
9674 }
9675 putchar ('\n');
9676
9677 printf (_("Foreign TU table:\n"));
9678 for (i = 0; i < foreign_type_unit_count; i++)
9679 {
9680 uint64_t signature;
9681
9682 SAFE_BYTE_GET_AND_INC (signature, hdrptr, 8, unit_end);
9683 printf (_("[%3u] "), i);
9684 print_dwarf_vma (signature, 8);
9685 putchar ('\n');
9686 }
9687 putchar ('\n');
9688
9689 const uint32_t *const hash_table_buckets = (uint32_t *) hdrptr;
9690 hdrptr += bucket_count * sizeof (uint32_t);
9691 const uint32_t *const hash_table_hashes = (uint32_t *) hdrptr;
9692 hdrptr += name_count * sizeof (uint32_t);
9693 unsigned char *const name_table_string_offsets = hdrptr;
9694 hdrptr += name_count * offset_size;
9695 unsigned char *const name_table_entry_offsets = hdrptr;
9696 hdrptr += name_count * offset_size;
9697 unsigned char *const abbrev_table = hdrptr;
9698 hdrptr += abbrev_table_size;
9699 const unsigned char *const abbrev_table_end = hdrptr;
9700 unsigned char *const entry_pool = hdrptr;
9701 if (hdrptr > unit_end)
9702 {
9703 warn (_("Entry pool offset (0x%lx) exceeds unit size 0x%lx "
9704 "for unit 0x%lx in the debug_names\n"),
9705 (long) (hdrptr - section->start),
9706 (long) (unit_end - section->start),
9707 (long) (unit_start - section->start));
9708 return 0;
9709 }
9710
9711 size_t buckets_filled = 0;
9712 size_t bucketi;
9713 for (bucketi = 0; bucketi < bucket_count; bucketi++)
9714 {
9715 const uint32_t bucket = hash_table_buckets[bucketi];
9716
9717 if (bucket != 0)
9718 ++buckets_filled;
9719 }
d3a49aa8
AM		 9720 printf (ngettext ("Used %zu of %lu bucket.\n",
9721 "Used %zu of %lu buckets.\n",
9722 bucket_count),
9723 buckets_filled, (unsigned long) bucket_count);
61364358 9724
0a79bef4 9725 uint32_t hash_prev = 0;
61364358
JK		 9726 size_t hash_clash_count = 0;
9727 size_t longest_clash = 0;
9728 size_t this_length = 0;
9729 size_t hashi;
9730 for (hashi = 0; hashi < name_count; hashi++)
9731 {
9732 const uint32_t hash_this = hash_table_hashes[hashi];
9733
9734 if (hashi > 0)
9735 {
9736 if (hash_prev % bucket_count == hash_this % bucket_count)
9737 {
9738 ++hash_clash_count;
9739 ++this_length;
9740 longest_clash = MAX (longest_clash, this_length);
9741 }
9742 else
9743 this_length = 0;
9744 }
9745 hash_prev = hash_this;
9746 }
9747 printf (_("Out of %lu items there are %zu bucket clashes"
9748 " (longest of %zu entries).\n"),
9749 (unsigned long) name_count, hash_clash_count, longest_clash);
9750 assert (name_count == buckets_filled + hash_clash_count);
9751
9752 struct abbrev_lookup_entry
9753 {
9754 dwarf_vma abbrev_tag;
9755 unsigned char *abbrev_lookup_ptr;
9756 };
9757 struct abbrev_lookup_entry *abbrev_lookup = NULL;
9758 size_t abbrev_lookup_used = 0;
9759 size_t abbrev_lookup_allocated = 0;
9760
9761 unsigned char *abbrevptr = abbrev_table;
9762 for (;;)
9763 {
cd30bcef
AM		 9764 dwarf_vma abbrev_tag;
9765
9766 READ_ULEB (abbrev_tag, abbrevptr, abbrev_table_end);
61364358
JK		 9767 if (abbrev_tag == 0)
9768 break;
9769 if (abbrev_lookup_used == abbrev_lookup_allocated)
9770 {
9771 abbrev_lookup_allocated = MAX (0x100,
9772 abbrev_lookup_allocated * 2);
9773 abbrev_lookup = xrealloc (abbrev_lookup,
9774 (abbrev_lookup_allocated
9775 * sizeof (*abbrev_lookup)));
9776 }
9777 assert (abbrev_lookup_used < abbrev_lookup_allocated);
9778 struct abbrev_lookup_entry *entry;
9779 for (entry = abbrev_lookup;
9780 entry < abbrev_lookup + abbrev_lookup_used;
9781 entry++)
9782 if (entry->abbrev_tag == abbrev_tag)
9783 {
9784 warn (_("Duplicate abbreviation tag %lu "
9785 "in unit 0x%lx in the debug_names\n"),
9786 (long) abbrev_tag, (long) (unit_start - section->start));
9787 break;
9788 }
9789 entry = &abbrev_lookup[abbrev_lookup_used++];
9790 entry->abbrev_tag = abbrev_tag;
9791 entry->abbrev_lookup_ptr = abbrevptr;
9792
9793 /* Skip DWARF tag. */
cd30bcef 9794 SKIP_ULEB (abbrevptr, abbrev_table_end);
61364358
JK		 9795 for (;;)
9796 {
cd30bcef
AM		 9797 dwarf_vma xindex, form;
9798
9799 READ_ULEB (xindex, abbrevptr, abbrev_table_end);
9800 READ_ULEB (form, abbrevptr, abbrev_table_end);
1d827a72 9801 if (xindex == 0 && form == 0)
61364358
JK		 9802 break;
9803 }
9804 }
9805
9806 printf (_("\nSymbol table:\n"));
9807 uint32_t namei;
9808 for (namei = 0; namei < name_count; ++namei)
9809 {
9810 uint64_t string_offset, entry_offset;
6d1ad6f7 9811 unsigned char *p;
61364358 9812
6d1ad6f7
AM		 9813 p = name_table_string_offsets + namei * offset_size;
9814 SAFE_BYTE_GET (string_offset, p, offset_size, unit_end);
9815 p = name_table_entry_offsets + namei * offset_size;
9816 SAFE_BYTE_GET (entry_offset, p, offset_size, unit_end);
61364358
JK		 9817
9818 printf ("[%3u] #%08x %s:", namei, hash_table_hashes[namei],
9819 fetch_indirect_string (string_offset));
9820
9821 unsigned char *entryptr = entry_pool + entry_offset;
9822
279edac5
AM		 9823 /* We need to scan first whether there is a single or multiple
9824 entries. TAGNO is -2 for the first entry, it is -1 for the
9825 initial tag read of the second entry, then it becomes 0 for the
9826 first entry for real printing etc. */
61364358
JK		 9827 int tagno = -2;
9828 /* Initialize it due to a false compiler warning. */
9829 dwarf_vma second_abbrev_tag = -1;
9830 for (;;)
9831 {
cd30bcef
AM		 9832 dwarf_vma abbrev_tag;
9833 dwarf_vma dwarf_tag;
9834 const struct abbrev_lookup_entry *entry;
9835
9836 READ_ULEB (abbrev_tag, entryptr, unit_end);
61364358
JK		 9837 if (tagno == -1)
9838 {
9839 second_abbrev_tag = abbrev_tag;
9840 tagno = 0;
9841 entryptr = entry_pool + entry_offset;
9842 continue;
9843 }
9844 if (abbrev_tag == 0)
9845 break;
9846 if (tagno >= 0)
9847 printf ("%s<%lu>",
9848 (tagno == 0 && second_abbrev_tag == 0 ? " " : "\n\t"),
9849 (unsigned long) abbrev_tag);
9850
61364358
JK		 9851 for (entry = abbrev_lookup;
9852 entry < abbrev_lookup + abbrev_lookup_used;
9853 entry++)
9854 if (entry->abbrev_tag == abbrev_tag)
9855 break;
9856 if (entry >= abbrev_lookup + abbrev_lookup_used)
9857 {
9858 warn (_("Undefined abbreviation tag %lu "
9859 "in unit 0x%lx in the debug_names\n"),
9860 (long) abbrev_tag,
9861 (long) (unit_start - section->start));
9862 break;
9863 }
9864 abbrevptr = entry->abbrev_lookup_ptr;
cd30bcef 9865 READ_ULEB (dwarf_tag, abbrevptr, abbrev_table_end);
61364358
JK		 9866 if (tagno >= 0)
9867 printf (" %s", get_TAG_name (dwarf_tag));
9868 for (;;)
9869 {
cd30bcef
AM		 9870 dwarf_vma xindex, form;
9871
9872 READ_ULEB (xindex, abbrevptr, abbrev_table_end);
9873 READ_ULEB (form, abbrevptr, abbrev_table_end);
1d827a72 9874 if (xindex == 0 && form == 0)
61364358
JK		 9875 break;
9876
9877 if (tagno >= 0)
1d827a72 9878 printf (" %s", get_IDX_name (xindex));
ec1b0fbb
NC		 9879 entryptr = read_and_display_attr_value (0, form, 0,
9880 unit_start, entryptr, unit_end,
9881 0, 0, offset_size,
61364358
JK		 9882 dwarf_version, NULL,
9883 (tagno < 0), NULL,
ec1b0fbb 9884 NULL, '=', -1);
61364358
JK		 9885 }
9886 ++tagno;
9887 }
9888 if (tagno <= 0)
9889 printf (_(" <no entries>"));
9890 putchar ('\n');
9891 }
9892
9893 free (abbrev_lookup);
9894 }
9895
9896 return 1;
9897}
9898
dda8d76d 9899static int
d85bf2ba
NC		 9900display_debug_links (struct dwarf_section * section,
9901 void * file ATTRIBUTE_UNUSED)
dda8d76d
NC		 9902{
9903 const unsigned char * filename;
9904 unsigned int filelen;
9905
015dc7e1 9906 introduce (section, false);
dda8d76d
NC		 9907
9908 /* The .gnu_debuglink section is formatted as:
9909 (c-string) Filename.
9910 (padding) If needed to reach a 4 byte boundary.
9911 (uint32_t) CRC32 value.
9912
9913 The .gun_debugaltlink section is formatted as:
9914 (c-string) Filename.
9915 (binary) Build-ID. */
521d4b19 9916
dda8d76d
NC		 9917 filename = section->start;
9918 filelen = strnlen ((const char *) filename, section->size);
9919 if (filelen == section->size)
9920 {
9921 warn (_("The debuglink filename is corrupt/missing\n"));
9922 return 0;
9923 }
9924
9925 printf (_(" Separate debug info file: %s\n"), filename);
9926
24d127aa 9927 if (startswith (section->name, ".gnu_debuglink"))
dda8d76d
NC		 9928 {
9929 unsigned int crc32;
9930 unsigned int crc_offset;
9931
9932 crc_offset = filelen + 1;
9933 crc_offset = (crc_offset + 3) & ~3;
9934 if (crc_offset + 4 > section->size)
9935 {
9936 warn (_("CRC offset missing/truncated\n"));
9937 return 0;
9938 }
9939
9940 crc32 = byte_get (filename + crc_offset, 4);
9941
9942 printf (_(" CRC value: %#x\n"), crc32);
9943
9944 if (crc_offset + 4 < section->size)
9945 {
9946 warn (_("There are %#lx extraneous bytes at the end of the section\n"),
9947 (long)(section->size - (crc_offset + 4)));
9948 return 0;
9949 }
9950 }
24d127aa 9951 else /* startswith (section->name, ".gnu_debugaltlink") */
dda8d76d
NC		 9952 {
9953 const unsigned char * build_id = section->start + filelen + 1;
9954 bfd_size_type build_id_len = section->size - (filelen + 1);
9955 bfd_size_type printed;
9956
9957 /* FIXME: Should we support smaller build-id notes ? */
9958 if (build_id_len < 0x14)
9959 {
9960 warn (_("Build-ID is too short (%#lx bytes)\n"), (long) build_id_len);
9961 return 0;
9962 }
9963
9964 printed = printf (_(" Build-ID (%#lx bytes):"), (long) build_id_len);
d85bf2ba 9965 display_data (printed, build_id, build_id_len);
dda8d76d
NC		 9966 putchar ('\n');
9967 }
9968
9969 putchar ('\n');
9970 return 1;
9971}
9972
5bbdf3d5
DE		 9973static int
9974display_gdb_index (struct dwarf_section *section,
9975 void *file ATTRIBUTE_UNUSED)
9976{
9977 unsigned char *start = section->start;
9978 uint32_t version;
9979 uint32_t cu_list_offset, tu_list_offset;
9980 uint32_t address_table_offset, symbol_table_offset, constant_pool_offset;
9981 unsigned int cu_list_elements, tu_list_elements;
9982 unsigned int address_table_size, symbol_table_slots;
9983 unsigned char *cu_list, *tu_list;
9984 unsigned char *address_table, *symbol_table, *constant_pool;
9985 unsigned int i;
9986
9987 /* The documentation for the format of this file is in gdb/dwarf2read.c. */
9988
015dc7e1 9989 introduce (section, false);
5bbdf3d5
DE		 9990
9991 if (section->size < 6 * sizeof (uint32_t))
9992 {
9993 warn (_("Truncated header in the %s section.\n"), section->name);
9994 return 0;
9995 }
9996
9997 version = byte_get_little_endian (start, 4);
da88a764 9998 printf (_("Version %ld\n"), (long) version);
5bbdf3d5
DE		 9999
10000 /* Prior versions are obsolete, and future versions may not be
10001 backwards compatible. */
aa170720 10002 if (version < 3 || version > 8)
5bbdf3d5 10003 {
da88a764 10004 warn (_("Unsupported version %lu.\n"), (unsigned long) version);
5bbdf3d5
DE		 10005 return 0;
10006 }
8d6eee87
TT		 10007 if (version < 4)
10008 warn (_("The address table data in version 3 may be wrong.\n"));
10009 if (version < 5)
10010 warn (_("Version 4 does not support case insensitive lookups.\n"));
10011 if (version < 6)
10012 warn (_("Version 5 does not include inlined functions.\n"));
10013 if (version < 7)
10014 warn (_("Version 6 does not include symbol attributes.\n"));
aa170720
DE		 10015 /* Version 7 indices generated by Gold have bad type unit references,
10016 PR binutils/15021. But we don't know if the index was generated by
10017 Gold or not, so to avoid worrying users with gdb-generated indices
10018 we say nothing for version 7 here. */
5bbdf3d5
DE		 10019
10020 cu_list_offset = byte_get_little_endian (start + 4, 4);
10021 tu_list_offset = byte_get_little_endian (start + 8, 4);
10022 address_table_offset = byte_get_little_endian (start + 12, 4);
10023 symbol_table_offset = byte_get_little_endian (start + 16, 4);
10024 constant_pool_offset = byte_get_little_endian (start + 20, 4);
10025
10026 if (cu_list_offset > section->size
10027 || tu_list_offset > section->size
10028 || address_table_offset > section->size
10029 || symbol_table_offset > section->size
10030 || constant_pool_offset > section->size)
10031 {
10032 warn (_("Corrupt header in the %s section.\n"), section->name);
10033 return 0;
10034 }
10035
53774b7e
NC		 10036 /* PR 17531: file: 418d0a8a. */
10037 if (tu_list_offset < cu_list_offset)
10038 {
10039 warn (_("TU offset (%x) is less than CU offset (%x)\n"),
10040 tu_list_offset, cu_list_offset);
10041 return 0;
10042 }
10043
5bbdf3d5 10044 cu_list_elements = (tu_list_offset - cu_list_offset) / 8;
53774b7e
NC		 10045
10046 if (address_table_offset < tu_list_offset)
10047 {
10048 warn (_("Address table offset (%x) is less than TU offset (%x)\n"),
10049 address_table_offset, tu_list_offset);
10050 return 0;
10051 }
10052
5bbdf3d5 10053 tu_list_elements = (address_table_offset - tu_list_offset) / 8;
53774b7e
NC		 10054
10055 /* PR 17531: file: 18a47d3d. */
10056 if (symbol_table_offset < address_table_offset)
10057 {
13bace4a 10058 warn (_("Symbol table offset (%x) is less then Address table offset (%x)\n"),
53774b7e
NC		 10059 symbol_table_offset, address_table_offset);
10060 return 0;
10061 }
10062
5bbdf3d5 10063 address_table_size = symbol_table_offset - address_table_offset;
53774b7e
NC		 10064
10065 if (constant_pool_offset < symbol_table_offset)
10066 {
10067 warn (_("Constant pool offset (%x) is less than symbol table offset (%x)\n"),
10068 constant_pool_offset, symbol_table_offset);
10069 return 0;
10070 }
10071
5bbdf3d5
DE		 10072 symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8;
10073
10074 cu_list = start + cu_list_offset;
10075 tu_list = start + tu_list_offset;
10076 address_table = start + address_table_offset;
10077 symbol_table = start + symbol_table_offset;
10078 constant_pool = start + constant_pool_offset;
10079
28d909e5 10080 if (address_table + address_table_size > section->start + section->size)
acff9664 10081 {
1306a742 10082 warn (_("Address table extends beyond end of section.\n"));
acff9664
NC		 10083 return 0;
10084 }
b4eb7656 10085
5bbdf3d5
DE		 10086 printf (_("\nCU table:\n"));
10087 for (i = 0; i < cu_list_elements; i += 2)
10088 {
10089 uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8);
10090 uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8);
10091
10092 printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2,
10093 (unsigned long) cu_offset,
10094 (unsigned long) (cu_offset + cu_length - 1));
10095 }
10096
10097 printf (_("\nTU table:\n"));
10098 for (i = 0; i < tu_list_elements; i += 3)
10099 {
10100 uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8);
10101 uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8);
10102 uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8);
10103
10104 printf (_("[%3u] 0x%lx 0x%lx "), i / 3,
10105 (unsigned long) tu_offset,
10106 (unsigned long) type_offset);
10107 print_dwarf_vma (signature, 8);
10108 printf ("\n");
10109 }
10110
10111 printf (_("\nAddress table:\n"));
acff9664
NC		 10112 for (i = 0; i < address_table_size && i <= address_table_size - (2 * 8 + 4);
10113 i += 2 * 8 + 4)
5bbdf3d5
DE		 10114 {
10115 uint64_t low = byte_get_little_endian (address_table + i, 8);
10116 uint64_t high = byte_get_little_endian (address_table + i + 8, 8);
10117 uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4);
10118
10119 print_dwarf_vma (low, 8);
10120 print_dwarf_vma (high, 8);
da88a764 10121 printf (_("%lu\n"), (unsigned long) cu_index);
5bbdf3d5
DE		 10122 }
10123
10124 printf (_("\nSymbol table:\n"));
10125 for (i = 0; i < symbol_table_slots; ++i)
10126 {
10127 uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4);
10128 uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4);
10129 uint32_t num_cus, cu;
10130
10131 if (name_offset != 0
10132 || cu_vector_offset != 0)
10133 {
10134 unsigned int j;
362beea4 10135 unsigned char * adr;
5bbdf3d5 10136
362beea4 10137 adr = constant_pool + name_offset;
53774b7e 10138 /* PR 17531: file: 5b7b07ad. */
362beea4 10139 if (adr < constant_pool || adr >= section->start + section->size)
53774b7e
NC		 10140 {
10141 printf (_("[%3u] <corrupt offset: %x>"), i, name_offset);
10142 warn (_("Corrupt name offset of 0x%x found for symbol table slot %d\n"),
10143 name_offset, i);
10144 }
10145 else
acff9664
NC		 10146 printf ("[%3u] %.*s:", i,
10147 (int) (section->size - (constant_pool_offset + name_offset)),
10148 constant_pool + name_offset);
53774b7e 10149
362beea4
NC		 10150 adr = constant_pool + cu_vector_offset;
10151 if (adr < constant_pool || adr >= section->start + section->size - 3)
53774b7e
NC		 10152 {
10153 printf (_("<invalid CU vector offset: %x>\n"), cu_vector_offset);
10154 warn (_("Corrupt CU vector offset of 0x%x found for symbol table slot %d\n"),
10155 cu_vector_offset, i);
10156 continue;
10157 }
57028622 10158
362beea4 10159 num_cus = byte_get_little_endian (adr, 4);
53774b7e 10160
362beea4 10161 adr = constant_pool + cu_vector_offset + 4 + num_cus * 4;
acff9664 10162 if (num_cus * 4 < num_cus
362beea4
NC		 10163 || adr >= section->start + section->size
10164 || adr < constant_pool)
53774b7e
NC		 10165 {
10166 printf ("<invalid number of CUs: %d>\n", num_cus);
acff9664 10167 warn (_("Invalid number of CUs (0x%x) for symbol table slot %d\n"),
53774b7e
NC		 10168 num_cus, i);
10169 continue;
10170 }
10171
8d6eee87
TT		 10172 if (num_cus > 1)
10173 printf ("\n");
f3853b34 10174
5bbdf3d5
DE		 10175 for (j = 0; j < num_cus; ++j)
10176 {
7c1cef97 10177 int is_static;
8d6eee87
TT		 10178 gdb_index_symbol_kind kind;
10179
5bbdf3d5 10180 cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4);
7c1cef97 10181 is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu);
8d6eee87
TT		 10182 kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu);
10183 cu = GDB_INDEX_CU_VALUE (cu);
5bbdf3d5 10184 /* Convert to TU number if it's for a type unit. */
ad6b52dd 10185 if (cu >= cu_list_elements / 2)
8d6eee87
TT		 10186 printf ("%cT%lu", num_cus > 1 ? '\t' : ' ',
10187 (unsigned long) (cu - cu_list_elements / 2));
5bbdf3d5 10188 else
8d6eee87
TT		 10189 printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu);
10190
459d52c8
DE		 10191 printf (" [%s, %s]",
10192 is_static ? _("static") : _("global"),
10193 get_gdb_index_symbol_kind_name (kind));
8d6eee87
TT		 10194 if (num_cus > 1)
10195 printf ("\n");
5bbdf3d5 10196 }
8d6eee87
TT		 10197 if (num_cus <= 1)
10198 printf ("\n");
5bbdf3d5
DE		 10199 }
10200 }
10201
10202 return 1;
10203}
10204
657d0d47
CC		 10205/* Pre-allocate enough space for the CU/TU sets needed. */
10206
10207static void
10208prealloc_cu_tu_list (unsigned int nshndx)
10209{
10210 if (shndx_pool == NULL)
10211 {
10212 shndx_pool_size = nshndx;
10213 shndx_pool_used = 0;
10214 shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size,
10215 sizeof (unsigned int));
10216 }
10217 else
10218 {
10219 shndx_pool_size = shndx_pool_used + nshndx;
10220 shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size,
10221 sizeof (unsigned int));
10222 }
10223}
10224
10225static void
10226add_shndx_to_cu_tu_entry (unsigned int shndx)
10227{
10228 if (shndx_pool_used >= shndx_pool_size)
10229 {
10230 error (_("Internal error: out of space in the shndx pool.\n"));
10231 return;
10232 }
10233 shndx_pool [shndx_pool_used++] = shndx;
10234}
10235
10236static void
10237end_cu_tu_entry (void)
10238{
10239 if (shndx_pool_used >= shndx_pool_size)
10240 {
10241 error (_("Internal error: out of space in the shndx pool.\n"));
10242 return;
10243 }
10244 shndx_pool [shndx_pool_used++] = 0;
10245}
10246
341f9135
CC		 10247/* Return the short name of a DWARF section given by a DW_SECT enumerator. */
10248
10249static const char *
10250get_DW_SECT_short_name (unsigned int dw_sect)
10251{
10252 static char buf[16];
10253
10254 switch (dw_sect)
10255 {
10256 case DW_SECT_INFO:
10257 return "info";
10258 case DW_SECT_TYPES:
10259 return "types";
10260 case DW_SECT_ABBREV:
10261 return "abbrev";
10262 case DW_SECT_LINE:
10263 return "line";
10264 case DW_SECT_LOC:
10265 return "loc";
10266 case DW_SECT_STR_OFFSETS:
10267 return "str_off";
10268 case DW_SECT_MACINFO:
10269 return "macinfo";
10270 case DW_SECT_MACRO:
10271 return "macro";
10272 default:
b4eb7656 10273 break;
341f9135
CC		 10274 }
10275
10276 snprintf (buf, sizeof (buf), "%d", dw_sect);
10277 return buf;
10278}
10279
10280/* Process a CU or TU index. If DO_DISPLAY is true, print the contents.
10281 These sections are extensions for Fission.
10282 See http://gcc.gnu.org/wiki/DebugFissionDWP. */
657d0d47
CC		 10283
10284static int
10285process_cu_tu_index (struct dwarf_section *section, int do_display)
10286{
10287 unsigned char *phdr = section->start;
10288 unsigned char *limit = phdr + section->size;
10289 unsigned char *phash;
10290 unsigned char *pindex;
10291 unsigned char *ppool;
10292 unsigned int version;
341f9135 10293 unsigned int ncols = 0;
657d0d47
CC		 10294 unsigned int nused;
10295 unsigned int nslots;
10296 unsigned int i;
341f9135 10297 unsigned int j;
af2ddf69 10298 dwarf_vma signature;
657d0d47 10299
6937bb54
NC		 10300 /* PR 17512: file: 002-168123-0.004. */
10301 if (phdr == NULL)
10302 {
10303 warn (_("Section %s is empty\n"), section->name);
10304 return 0;
10305 }
10306 /* PR 17512: file: 002-376-0.004. */
10307 if (section->size < 24)
10308 {
72c61a0d 10309 warn (_("Section %s is too small to contain a CU/TU header\n"),
6937bb54
NC		 10310 section->name);
10311 return 0;
10312 }
10313
6d1ad6f7
AM		 10314 phash = phdr;
10315 SAFE_BYTE_GET_AND_INC (version, phash, 4, limit);
341f9135 10316 if (version >= 2)
6d1ad6f7
AM		 10317 SAFE_BYTE_GET_AND_INC (ncols, phash, 4, limit);
10318 SAFE_BYTE_GET_AND_INC (nused, phash, 4, limit);
10319 SAFE_BYTE_GET_AND_INC (nslots, phash, 4, limit);
6937bb54 10320
8e2e3c6c
AM		 10321 pindex = phash + (size_t) nslots * 8;
10322 ppool = pindex + (size_t) nslots * 4;
57028622 10323
657d0d47
CC		 10324 if (do_display)
10325 {
015dc7e1 10326 introduce (section, false);
dda8d76d 10327
8e2e3c6c 10328 printf (_(" Version: %u\n"), version);
341f9135 10329 if (version >= 2)
8e2e3c6c
AM		 10330 printf (_(" Number of columns: %u\n"), ncols);
10331 printf (_(" Number of used entries: %u\n"), nused);
10332 printf (_(" Number of slots: %u\n\n"), nslots);
657d0d47
CC		 10333 }
10334
8e2e3c6c
AM		 10335 /* PR 17531: file: 45d69832. */
10336 if ((size_t) nslots * 8 / 8 != nslots
10337 || phash < phdr || phash > limit
10338 || pindex < phash || pindex > limit
10339 || ppool < pindex || ppool > limit)
657d0d47 10340 {
8e2e3c6c
AM		 10341 warn (ngettext ("Section %s is too small for %u slot\n",
10342 "Section %s is too small for %u slots\n",
10343 nslots),
657d0d47
CC		 10344 section->name, nslots);
10345 return 0;
10346 }
10347
341f9135 10348 if (version == 1)
657d0d47 10349 {
341f9135
CC		 10350 if (!do_display)
10351 prealloc_cu_tu_list ((limit - ppool) / 4);
10352 for (i = 0; i < nslots; i++)
657d0d47 10353 {
341f9135
CC		 10354 unsigned char *shndx_list;
10355 unsigned int shndx;
10356
af2ddf69
AM		 10357 SAFE_BYTE_GET (signature, phash, 8, limit);
10358 if (signature != 0)
657d0d47 10359 {
6937bb54 10360 SAFE_BYTE_GET (j, pindex, 4, limit);
341f9135 10361 shndx_list = ppool + j * 4;
f3853b34
NC		 10362 /* PR 17531: file: 705e010d. */
10363 if (shndx_list < ppool)
10364 {
10365 warn (_("Section index pool located before start of section\n"));
10366 return 0;
10367 }
10368
341f9135
CC		 10369 if (do_display)
10370 printf (_(" [%3d] Signature: 0x%s Sections: "),
af2ddf69 10371 i, dwarf_vmatoa ("x", signature));
341f9135 10372 for (;;)
657d0d47 10373 {
341f9135
CC		 10374 if (shndx_list >= limit)
10375 {
10376 warn (_("Section %s too small for shndx pool\n"),
10377 section->name);
10378 return 0;
10379 }
6937bb54 10380 SAFE_BYTE_GET (shndx, shndx_list, 4, limit);
341f9135
CC		 10381 if (shndx == 0)
10382 break;
10383 if (do_display)
10384 printf (" %d", shndx);
10385 else
10386 add_shndx_to_cu_tu_entry (shndx);
10387 shndx_list += 4;
657d0d47 10388 }
657d0d47 10389 if (do_display)
341f9135 10390 printf ("\n");
657d0d47 10391 else
341f9135
CC		 10392 end_cu_tu_entry ();
10393 }
10394 phash += 8;
10395 pindex += 4;
10396 }
10397 }
10398 else if (version == 2)
10399 {
10400 unsigned int val;
10401 unsigned int dw_sect;
10402 unsigned char *ph = phash;
10403 unsigned char *pi = pindex;
8e2e3c6c
AM		 10404 unsigned char *poffsets = ppool + (size_t) ncols * 4;
10405 unsigned char *psizes = poffsets + (size_t) nused * ncols * 4;
10406 unsigned char *pend = psizes + (size_t) nused * ncols * 4;
015dc7e1 10407 bool is_tu_index;
341f9135
CC		 10408 struct cu_tu_set *this_set = NULL;
10409 unsigned int row;
10410 unsigned char *prow;
10411
10412 is_tu_index = strcmp (section->name, ".debug_tu_index") == 0;
10413
362beea4 10414 /* PR 17531: file: 0dd159bf.
8e2e3c6c
AM		 10415 Check for integer overflow (can occur when size_t is 32-bit)
10416 with overlarge ncols or nused values. */
4ac948a0
NC		 10417 if (ncols > 0
10418 && ((size_t) ncols * 4 / 4 != ncols
10419 || (size_t) nused * ncols * 4 / ((size_t) ncols * 4) != nused
10420 || poffsets < ppool || poffsets > limit
10421 || psizes < poffsets || psizes > limit
10422 || pend < psizes || pend > limit))
341f9135
CC		 10423 {
10424 warn (_("Section %s too small for offset and size tables\n"),
10425 section->name);
10426 return 0;
10427 }
10428
10429 if (do_display)
10430 {
10431 printf (_(" Offset table\n"));
10432 printf (" slot %-16s ",
10433 is_tu_index ? _("signature") : _("dwo_id"));
10434 }
10435 else
10436 {
10437 if (is_tu_index)
10438 {
10439 tu_count = nused;
72c61a0d 10440 tu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set));
341f9135 10441 this_set = tu_sets;
657d0d47 10442 }
657d0d47 10443 else
341f9135
CC		 10444 {
10445 cu_count = nused;
72c61a0d 10446 cu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set));
341f9135
CC		 10447 this_set = cu_sets;
10448 }
10449 }
6937bb54 10450
341f9135
CC		 10451 if (do_display)
10452 {
10453 for (j = 0; j < ncols; j++)
10454 {
6d1ad6f7
AM		 10455 unsigned char *p = ppool + j * 4;
10456 SAFE_BYTE_GET (dw_sect, p, 4, limit);
341f9135
CC		 10457 printf (" %8s", get_DW_SECT_short_name (dw_sect));
10458 }
10459 printf ("\n");
10460 }
6937bb54 10461
341f9135
CC		 10462 for (i = 0; i < nslots; i++)
10463 {
af2ddf69 10464 SAFE_BYTE_GET (signature, ph, 8, limit);
6937bb54
NC		 10465
10466 SAFE_BYTE_GET (row, pi, 4, limit);
341f9135
CC		 10467 if (row != 0)
10468 {
591f7597 10469 /* PR 17531: file: a05f6ab3. */
ef77750e 10470 if (row > nused)
591f7597
NC		 10471 {
10472 warn (_("Row index (%u) is larger than number of used entries (%u)\n"),
10473 row, nused);
10474 return 0;
10475 }
10476
341f9135 10477 if (!do_display)
6aea08d9
NC		 10478 {
10479 size_t num_copy = sizeof (uint64_t);
10480
10481 /* PR 23064: Beware of buffer overflow. */
10482 if (ph + num_copy < limit)
10483 memcpy (&this_set[row - 1].signature, ph, num_copy);
10484 else
10485 {
10486 warn (_("Signature (%p) extends beyond end of space in section\n"), ph);
10487 return 0;
10488 }
10489 }
6937bb54 10490
341f9135 10491 prow = poffsets + (row - 1) * ncols * 4;
ffc0f143
NC		 10492 /* PR 17531: file: b8ce60a8. */
10493 if (prow < poffsets || prow > limit)
10494 {
10495 warn (_("Row index (%u) * num columns (%u) > space remaining in section\n"),
10496 row, ncols);
10497 return 0;
10498 }
3aade688 10499
341f9135
CC		 10500 if (do_display)
10501 printf (_(" [%3d] 0x%s"),
af2ddf69 10502 i, dwarf_vmatoa ("x", signature));
341f9135
CC		 10503 for (j = 0; j < ncols; j++)
10504 {
6d1ad6f7
AM		 10505 unsigned char *p = prow + j * 4;
10506 SAFE_BYTE_GET (val, p, 4, limit);
341f9135
CC		 10507 if (do_display)
10508 printf (" %8d", val);
10509 else
10510 {
6d1ad6f7
AM		 10511 p = ppool + j * 4;
10512 SAFE_BYTE_GET (dw_sect, p, 4, limit);
82b1b41b
NC		 10513
10514 /* PR 17531: file: 10796eb3. */
10515 if (dw_sect >= DW_SECT_MAX)
10516 warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect);
10517 else
10518 this_set [row - 1].section_offsets [dw_sect] = val;
341f9135
CC		 10519 }
10520 }
6937bb54 10521
341f9135
CC		 10522 if (do_display)
10523 printf ("\n");
10524 }
10525 ph += 8;
10526 pi += 4;
10527 }
10528
10529 ph = phash;
10530 pi = pindex;
10531 if (do_display)
b4eb7656 10532 {
341f9135
CC		 10533 printf ("\n");
10534 printf (_(" Size table\n"));
10535 printf (" slot %-16s ",
10536 is_tu_index ? _("signature") : _("dwo_id"));
b4eb7656 10537 }
6937bb54 10538
341f9135
CC		 10539 for (j = 0; j < ncols; j++)
10540 {
6d1ad6f7
AM		 10541 unsigned char *p = ppool + j * 4;
10542 SAFE_BYTE_GET (val, p, 4, limit);
341f9135
CC		 10543 if (do_display)
10544 printf (" %8s", get_DW_SECT_short_name (val));
10545 }
6937bb54 10546
341f9135
CC		 10547 if (do_display)
10548 printf ("\n");
6937bb54 10549
341f9135
CC		 10550 for (i = 0; i < nslots; i++)
10551 {
af2ddf69 10552 SAFE_BYTE_GET (signature, ph, 8, limit);
6937bb54
NC		 10553
10554 SAFE_BYTE_GET (row, pi, 4, limit);
341f9135
CC		 10555 if (row != 0)
10556 {
10557 prow = psizes + (row - 1) * ncols * 4;
6937bb54 10558
341f9135
CC		 10559 if (do_display)
10560 printf (_(" [%3d] 0x%s"),
af2ddf69 10561 i, dwarf_vmatoa ("x", signature));
6937bb54 10562
341f9135
CC		 10563 for (j = 0; j < ncols; j++)
10564 {
6d1ad6f7
AM		 10565 unsigned char *p = prow + j * 4;
10566 SAFE_BYTE_GET (val, p, 4, limit);
341f9135
CC		 10567 if (do_display)
10568 printf (" %8d", val);
10569 else
10570 {
6d1ad6f7
AM		 10571 p = ppool + j * 4;
10572 SAFE_BYTE_GET (dw_sect, p, 4, limit);
82b1b41b
NC		 10573 if (dw_sect >= DW_SECT_MAX)
10574 warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect);
10575 else
341f9135
CC		 10576 this_set [row - 1].section_sizes [dw_sect] = val;
10577 }
10578 }
6937bb54 10579
341f9135
CC		 10580 if (do_display)
10581 printf ("\n");
10582 }
6937bb54 10583
341f9135
CC		 10584 ph += 8;
10585 pi += 4;
657d0d47 10586 }
657d0d47 10587 }
341f9135 10588 else if (do_display)
6937bb54 10589 printf (_(" Unsupported version (%d)\n"), version);
657d0d47
CC		 10590
10591 if (do_display)
10592 printf ("\n");
10593
10594 return 1;
10595}
10596
288f0ba2
AM		 10597static int cu_tu_indexes_read = -1; /* Tri-state variable. */
10598
657d0d47
CC		 10599/* Load the CU and TU indexes if present. This will build a list of
10600 section sets that we can use to associate a .debug_info.dwo section
10601 with its associated .debug_abbrev.dwo section in a .dwp file. */
10602
015dc7e1 10603static bool
657d0d47
CC		 10604load_cu_tu_indexes (void *file)
10605{
10606 /* If we have already loaded (or tried to load) the CU and TU indexes
10607 then do not bother to repeat the task. */
43a444f9
NC		 10608 if (cu_tu_indexes_read == -1)
10609 {
015dc7e1 10610 cu_tu_indexes_read = true;
521d4b19 10611
dda8d76d 10612 if (load_debug_section_with_follow (dwp_cu_index, file))
43a444f9 10613 if (! process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0))
015dc7e1 10614 cu_tu_indexes_read = false;
43a444f9 10615
dda8d76d 10616 if (load_debug_section_with_follow (dwp_tu_index, file))
43a444f9 10617 if (! process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0))
015dc7e1 10618 cu_tu_indexes_read = false;
43a444f9 10619 }
657d0d47 10620
015dc7e1 10621 return (bool) cu_tu_indexes_read;
657d0d47
CC		 10622}
10623
10624/* Find the set of sections that includes section SHNDX. */
10625
10626unsigned int *
10627find_cu_tu_set (void *file, unsigned int shndx)
10628{
10629 unsigned int i;
10630
43a444f9
NC		 10631 if (! load_cu_tu_indexes (file))
10632 return NULL;
657d0d47
CC		 10633
10634 /* Find SHNDX in the shndx pool. */
10635 for (i = 0; i < shndx_pool_used; i++)
10636 if (shndx_pool [i] == shndx)
10637 break;
10638
10639 if (i >= shndx_pool_used)
10640 return NULL;
10641
10642 /* Now backup to find the first entry in the set. */
10643 while (i > 0 && shndx_pool [i - 1] != 0)
10644 i--;
10645
10646 return shndx_pool + i;
10647}
10648
10649/* Display a .debug_cu_index or .debug_tu_index section. */
10650
10651static int
10652display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED)
10653{
10654 return process_cu_tu_index (section, 1);
10655}
10656
19e6b90e
L		 10657static int
10658display_debug_not_supported (struct dwarf_section *section,
10659 void *file ATTRIBUTE_UNUSED)
10660{
10661 printf (_("Displaying the debug contents of section %s is not yet supported.\n"),
10662 section->name);
10663
10664 return 1;
10665}
10666
1306a742
NC		 10667/* Like malloc, but takes two parameters like calloc.
10668 Verifies that the first parameter is not too large.
82b1b41b 10669 Note: does *not* initialise the allocated memory to zero. */
dda8d76d 10670
19e6b90e
L		 10671void *
10672cmalloc (size_t nmemb, size_t size)
10673{
10674 /* Check for overflow. */
10675 if (nmemb >= ~(size_t) 0 / size)
10676 return NULL;
82b1b41b
NC		 10677
10678 return xmalloc (nmemb * size);
19e6b90e
L		 10679}
10680
1306a742
NC		 10681/* Like xmalloc, but takes two parameters like calloc.
10682 Verifies that the first parameter is not too large.
10683 Note: does *not* initialise the allocated memory to zero. */
dda8d76d 10684
72c61a0d 10685void *
1306a742 10686xcmalloc (size_t nmemb, size_t size)
72c61a0d
NC		 10687{
10688 /* Check for overflow. */
10689 if (nmemb >= ~(size_t) 0 / size)
8490fb40
NC		 10690 {
10691 fprintf (stderr,
10692 _("Attempt to allocate an array with an excessive number of elements: 0x%lx\n"),
10693 (long) nmemb);
10694 xexit (1);
10695 }
72c61a0d 10696
1306a742 10697 return xmalloc (nmemb * size);
72c61a0d
NC		 10698}
10699
1306a742
NC		 10700/* Like xrealloc, but takes three parameters.
10701 Verifies that the second parameter is not too large.
10702 Note: does *not* initialise any new memory to zero. */
dda8d76d 10703
19e6b90e 10704void *
1306a742 10705xcrealloc (void *ptr, size_t nmemb, size_t size)
19e6b90e
L		 10706{
10707 /* Check for overflow. */
10708 if (nmemb >= ~(size_t) 0 / size)
8490fb40 10709 {
dda8d76d
NC		 10710 error (_("Attempt to re-allocate an array with an excessive number of elements: 0x%lx\n"),
10711 (long) nmemb);
8490fb40
NC		 10712 xexit (1);
10713 }
82b1b41b 10714
1306a742 10715 return xrealloc (ptr, nmemb * size);
19e6b90e
L		 10716}
10717
1306a742 10718/* Like xcalloc, but verifies that the first parameter is not too large. */
dda8d76d 10719
19e6b90e 10720void *
1306a742 10721xcalloc2 (size_t nmemb, size_t size)
19e6b90e
L		 10722{
10723 /* Check for overflow. */
10724 if (nmemb >= ~(size_t) 0 / size)
8490fb40 10725 {
dda8d76d
NC		 10726 error (_("Attempt to allocate a zero'ed array with an excessive number of elements: 0x%lx\n"),
10727 (long) nmemb);
8490fb40
NC		 10728 xexit (1);
10729 }
82b1b41b 10730
1306a742 10731 return xcalloc (nmemb, size);
19e6b90e
L		 10732}
10733
dda8d76d
NC		 10734static unsigned long
10735calc_gnu_debuglink_crc32 (unsigned long crc,
10736 const unsigned char * buf,
10737 bfd_size_type len)
10738{
10739 static const unsigned long crc32_table[256] =
10740 {
10741 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
10742 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4,
10743 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07,
10744 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
10745 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856,
10746 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
10747 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4,
10748 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
10749 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
10750 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a,
10751 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599,
10752 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
10753 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190,
10754 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f,
10755 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e,
10756 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
10757 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed,
10758 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
10759 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3,
10760 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
10761 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a,
10762 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5,
10763 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010,
10764 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
10765 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17,
10766 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6,
10767 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
10768 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
10769 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344,
10770 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
10771 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a,
10772 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
10773 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1,
10774 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c,
10775 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef,
10776 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
10777 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe,
10778 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31,
10779 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c,
10780 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
10781 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b,
10782 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
10783 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1,
10784 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
10785 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
10786 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7,
10787 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66,
10788 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
10789 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605,
10790 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
10791 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b,
10792 0x2d02ef8d
10793 };
10794 const unsigned char *end;
10795
10796 crc = ~crc & 0xffffffff;
10797 for (end = buf + len; buf < end; ++ buf)
10798 crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8);
10799 return ~crc & 0xffffffff;
10800}
10801
015dc7e1
AM		 10802typedef bool (*check_func_type) (const char *, void *);
10803typedef const char *(* parse_func_type) (struct dwarf_section *, void *);
dda8d76d 10804
015dc7e1 10805static bool
dda8d76d
NC		 10806check_gnu_debuglink (const char * pathname, void * crc_pointer)
10807{
10808 static unsigned char buffer [8 * 1024];
10809 FILE * f;
10810 bfd_size_type count;
10811 unsigned long crc = 0;
10812 void * sep_data;
10813
10814 sep_data = open_debug_file (pathname);
10815 if (sep_data == NULL)
015dc7e1 10816 return false;
dda8d76d
NC		 10817
10818 /* Yes - we are opening the file twice... */
10819 f = fopen (pathname, "rb");
10820 if (f == NULL)
10821 {
10822 /* Paranoia: This should never happen. */
10823 close_debug_file (sep_data);
10824 warn (_("Unable to reopen separate debug info file: %s\n"), pathname);
015dc7e1 10825 return false;
dda8d76d
NC		 10826 }
10827
10828 while ((count = fread (buffer, 1, sizeof (buffer), f)) > 0)
10829 crc = calc_gnu_debuglink_crc32 (crc, buffer, count);
10830
10831 fclose (f);
10832
10833 if (crc != * (unsigned long *) crc_pointer)
10834 {
10835 close_debug_file (sep_data);
10836 warn (_("Separate debug info file %s found, but CRC does not match - ignoring\n"),
10837 pathname);
015dc7e1 10838 return false;
dda8d76d
NC		 10839 }
10840
015dc7e1 10841 return true;
dda8d76d
NC		 10842}
10843
10844static const char *
10845parse_gnu_debuglink (struct dwarf_section * section, void * data)
10846{
10847 const char * name;
10848 unsigned int crc_offset;
10849 unsigned long * crc32 = (unsigned long *) data;
10850
10851 /* The name is first.
10852 The CRC value is stored after the filename, aligned up to 4 bytes. */
10853 name = (const char *) section->start;
10854
10855 crc_offset = strnlen (name, section->size) + 1;
3d64c987
NC		 10856 if (crc_offset == 1)
10857 return NULL;
dda8d76d
NC		 10858 crc_offset = (crc_offset + 3) & ~3;
10859 if (crc_offset + 4 > section->size)
10860 return NULL;
10861
10862 * crc32 = byte_get (section->start + crc_offset, 4);
10863 return name;
10864}
10865
015dc7e1 10866static bool
dda8d76d
NC		 10867check_gnu_debugaltlink (const char * filename, void * data ATTRIBUTE_UNUSED)
10868{
10869 void * sep_data = open_debug_file (filename);
10870
10871 if (sep_data == NULL)
015dc7e1 10872 return false;
dda8d76d
NC		 10873
10874 /* FIXME: We should now extract the build-id in the separate file
10875 and check it... */
10876
015dc7e1 10877 return true;
dda8d76d
NC		 10878}
10879
10880typedef struct build_id_data
10881{
10882 bfd_size_type len;
10883 const unsigned char * data;
10884} Build_id_data;
10885
10886static const char *
10887parse_gnu_debugaltlink (struct dwarf_section * section, void * data)
10888{
10889 const char * name;
10890 bfd_size_type namelen;
10891 bfd_size_type id_len;
10892 Build_id_data * build_id_data;
10893
10894 /* The name is first.
10895 The build-id follows immediately, with no padding, up to the section's end. */
10896
10897 name = (const char *) section->start;
10898 namelen = strnlen (name, section->size) + 1;
3d64c987
NC		 10899 if (namelen == 1)
10900 return NULL;
dda8d76d
NC		 10901 if (namelen >= section->size)
10902 return NULL;
10903
10904 id_len = section->size - namelen;
10905 if (id_len < 0x14)
10906 return NULL;
10907
dfbee680 10908 build_id_data = (Build_id_data *) data;
dda8d76d
NC		 10909 build_id_data->len = id_len;
10910 build_id_data->data = section->start + namelen;
10911
dda8d76d
NC		 10912 return name;
10913}
10914
24841daa
NC		 10915static void
10916add_separate_debug_file (const char * filename, void * handle)
10917{
10918 separate_info * i = xmalloc (sizeof * i);
10919
10920 i->filename = filename;
10921 i->handle = handle;
10922 i->next = first_separate_info;
10923 first_separate_info = i;
10924}
10925
301a9420
AM		 10926#if HAVE_LIBDEBUGINFOD
10927/* Query debuginfod servers for the target debuglink or debugaltlink
10928 file. If successful, store the path of the file in filename and
10929 return TRUE, otherwise return FALSE. */
10930
015dc7e1 10931static bool
301a9420
AM		 10932debuginfod_fetch_separate_debug_info (struct dwarf_section * section,
10933 char ** filename,
10934 void * file)
10935{
10936 size_t build_id_len;
10937 unsigned char * build_id;
10938
10939 if (strcmp (section->uncompressed_name, ".gnu_debuglink") == 0)
10940 {
10941 /* Get the build-id of file. */
10942 build_id = get_build_id (file);
10943 build_id_len = 0;
10944 }
10945 else if (strcmp (section->uncompressed_name, ".gnu_debugaltlink") == 0)
10946 {
10947 /* Get the build-id of the debugaltlink file. */
10948 unsigned int filelen;
10949
10950 filelen = strnlen ((const char *)section->start, section->size);
10951 if (filelen == section->size)
10952 /* Corrupt debugaltlink. */
015dc7e1 10953 return false;
301a9420
AM		 10954
10955 build_id = section->start + filelen + 1;
10956 build_id_len = section->size - (filelen + 1);
10957
10958 if (build_id_len == 0)
015dc7e1 10959 return false;
301a9420
AM		 10960 }
10961 else
015dc7e1 10962 return false;
301a9420
AM		 10963
10964 if (build_id)
10965 {
10966 int fd;
10967 debuginfod_client * client;
10968
10969 client = debuginfod_begin ();
10970 if (client == NULL)
015dc7e1 10971 return false;
301a9420
AM		 10972
10973 /* Query debuginfod servers for the target file. If found its path
10974 will be stored in filename. */
10975 fd = debuginfod_find_debuginfo (client, build_id, build_id_len, filename);
10976 debuginfod_end (client);
10977
10978 /* Only free build_id if we allocated space for a hex string
10979 in get_build_id (). */
10980 if (build_id_len == 0)
10981 free (build_id);
10982
10983 if (fd >= 0)
10984 {
10985 /* File successfully retrieved. Close fd since we want to
10986 use open_debug_file () on filename instead. */
10987 close (fd);
015dc7e1 10988 return true;
301a9420
AM		 10989 }
10990 }
10991
015dc7e1 10992 return false;
301a9420
AM		 10993}
10994#endif
10995
dda8d76d
NC		 10996static void *
10997load_separate_debug_info (const char * main_filename,
2b63c337 10998 struct dwarf_section * xlink,
dda8d76d
NC		 10999 parse_func_type parse_func,
11000 check_func_type check_func,
301a9420
AM		 11001 void * func_data,
11002 void * file ATTRIBUTE_UNUSED)
dda8d76d
NC		 11003{
11004 const char * separate_filename;
24841daa 11005 char * debug_filename;
dda8d76d
NC		 11006 char * canon_dir;
11007 size_t canon_dirlen;
11008 size_t dirlen;
11009
2b63c337 11010 if ((separate_filename = parse_func (xlink, func_data)) == NULL)
dda8d76d
NC		 11011 {
11012 warn (_("Corrupt debuglink section: %s\n"),
2b63c337 11013 xlink->name ? xlink->name : xlink->uncompressed_name);
ce139cd5 11014 return NULL;
dda8d76d 11015 }
521d4b19 11016
dda8d76d
NC		 11017 /* Attempt to locate the separate file.
11018 This should duplicate the logic in bfd/opncls.c:find_separate_debug_file(). */
11019
11020 canon_dir = lrealpath (main_filename);
521d4b19 11021
dda8d76d
NC		 11022 for (canon_dirlen = strlen (canon_dir); canon_dirlen > 0; canon_dirlen--)
11023 if (IS_DIR_SEPARATOR (canon_dir[canon_dirlen - 1]))
11024 break;
11025 canon_dir[canon_dirlen] = '\0';
11026
11027#ifndef DEBUGDIR
11028#define DEBUGDIR "/lib/debug"
11029#endif
11030#ifndef EXTRA_DEBUG_ROOT1
11031#define EXTRA_DEBUG_ROOT1 "/usr/lib/debug"
11032#endif
11033#ifndef EXTRA_DEBUG_ROOT2
11034#define EXTRA_DEBUG_ROOT2 "/usr/lib/debug/usr"
11035#endif
11036
24841daa
NC		 11037 debug_filename = (char *) malloc (strlen (DEBUGDIR) + 1
11038 + canon_dirlen
11039 + strlen (".debug/")
dda8d76d 11040#ifdef EXTRA_DEBUG_ROOT1
24841daa 11041 + strlen (EXTRA_DEBUG_ROOT1)
dda8d76d
NC		 11042#endif
11043#ifdef EXTRA_DEBUG_ROOT2
24841daa 11044 + strlen (EXTRA_DEBUG_ROOT2)
dda8d76d 11045#endif
24841daa
NC		 11046 + strlen (separate_filename)
11047 + 1);
11048 if (debug_filename == NULL)
dda8d76d
NC		 11049 {
11050 warn (_("Out of memory"));
3391569f 11051 free (canon_dir);
dda8d76d
NC		 11052 return NULL;
11053 }
11054
11055 /* First try in the current directory. */
24841daa
NC		 11056 sprintf (debug_filename, "%s", separate_filename);
11057 if (check_func (debug_filename, func_data))
dda8d76d
NC		 11058 goto found;
11059
11060 /* Then try in a subdirectory called .debug. */
24841daa
NC		 11061 sprintf (debug_filename, ".debug/%s", separate_filename);
11062 if (check_func (debug_filename, func_data))
dda8d76d
NC		 11063 goto found;
11064
11065 /* Then try in the same directory as the original file. */
24841daa
NC		 11066 sprintf (debug_filename, "%s%s", canon_dir, separate_filename);
11067 if (check_func (debug_filename, func_data))
dda8d76d
NC		 11068 goto found;
11069
11070 /* And the .debug subdirectory of that directory. */
24841daa
NC		 11071 sprintf (debug_filename, "%s.debug/%s", canon_dir, separate_filename);
11072 if (check_func (debug_filename, func_data))
dda8d76d
NC		 11073 goto found;
11074
11075#ifdef EXTRA_DEBUG_ROOT1
11076 /* Try the first extra debug file root. */
24841daa
NC		 11077 sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename);
11078 if (check_func (debug_filename, func_data))
dda8d76d 11079 goto found;
39f0547e
NC		 11080
11081 /* Try the first extra debug file root. */
11082 sprintf (debug_filename, "%s/%s/%s", EXTRA_DEBUG_ROOT1, canon_dir, separate_filename);
11083 if (check_func (debug_filename, func_data))
11084 goto found;
dda8d76d
NC		 11085#endif
11086
11087#ifdef EXTRA_DEBUG_ROOT2
11088 /* Try the second extra debug file root. */
24841daa
NC		 11089 sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename);
11090 if (check_func (debug_filename, func_data))
dda8d76d
NC		 11091 goto found;
11092#endif
11093
24841daa
NC		 11094 /* Then try in the global debug_filename directory. */
11095 strcpy (debug_filename, DEBUGDIR);
dda8d76d
NC		 11096 dirlen = strlen (DEBUGDIR) - 1;
11097 if (dirlen > 0 && DEBUGDIR[dirlen] != '/')
24841daa
NC		 11098 strcat (debug_filename, "/");
11099 strcat (debug_filename, (const char *) separate_filename);
dda8d76d 11100
24841daa 11101 if (check_func (debug_filename, func_data))
dda8d76d
NC		 11102 goto found;
11103
301a9420
AM		 11104#if HAVE_LIBDEBUGINFOD
11105 {
11106 char * tmp_filename;
11107
11108 if (debuginfod_fetch_separate_debug_info (xlink,
11109 & tmp_filename,
11110 file))
11111 {
11112 /* File successfully downloaded from server, replace
11113 debug_filename with the file's path. */
11114 free (debug_filename);
11115 debug_filename = tmp_filename;
11116 goto found;
11117 }
11118 }
11119#endif
11120
ecd65684
L		 11121 if (do_debug_links)
11122 {
11123 /* Failed to find the file. */
11124 warn (_("could not find separate debug file '%s'\n"),
11125 separate_filename);
11126 warn (_("tried: %s\n"), debug_filename);
dda8d76d
NC		 11127
11128#ifdef EXTRA_DEBUG_ROOT2
ecd65684
L		 11129 sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT2,
11130 separate_filename);
11131 warn (_("tried: %s\n"), debug_filename);
dda8d76d
NC		 11132#endif
11133
11134#ifdef EXTRA_DEBUG_ROOT1
ecd65684
L		 11135 sprintf (debug_filename, "%s/%s/%s", EXTRA_DEBUG_ROOT1,
11136 canon_dir, separate_filename);
11137 warn (_("tried: %s\n"), debug_filename);
39f0547e 11138
ecd65684
L		 11139 sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT1,
11140 separate_filename);
11141 warn (_("tried: %s\n"), debug_filename);
dda8d76d
NC		 11142#endif
11143
ecd65684
L		 11144 sprintf (debug_filename, "%s.debug/%s", canon_dir,
11145 separate_filename);
11146 warn (_("tried: %s\n"), debug_filename);
dda8d76d 11147
ecd65684
L		 11148 sprintf (debug_filename, "%s%s", canon_dir, separate_filename);
11149 warn (_("tried: %s\n"), debug_filename);
dda8d76d 11150
ecd65684
L		 11151 sprintf (debug_filename, ".debug/%s", separate_filename);
11152 warn (_("tried: %s\n"), debug_filename);
dda8d76d 11153
ecd65684
L		 11154 sprintf (debug_filename, "%s", separate_filename);
11155 warn (_("tried: %s\n"), debug_filename);
dda8d76d 11156
301a9420 11157#if HAVE_LIBDEBUGINFOD
ecd65684
L		 11158 {
11159 char *urls = getenv (DEBUGINFOD_URLS_ENV_VAR);
11160 if (urls == NULL)
11161 urls = "";
301a9420 11162
ecd65684
L		 11163 warn (_("tried: DEBUGINFOD_URLS=%s\n"), urls);
11164 }
301a9420 11165#endif
ecd65684 11166 }
301a9420 11167
dda8d76d 11168 free (canon_dir);
24841daa 11169 free (debug_filename);
dda8d76d
NC		 11170 return NULL;
11171
11172 found:
11173 free (canon_dir);
11174
24841daa
NC		 11175 void * debug_handle;
11176
dda8d76d 11177 /* Now open the file.... */
24841daa 11178 if ((debug_handle = open_debug_file (debug_filename)) == NULL)
dda8d76d 11179 {
24841daa
NC		 11180 warn (_("failed to open separate debug file: %s\n"), debug_filename);
11181 free (debug_filename);
ce139cd5 11182 return NULL;
dda8d76d
NC		 11183 }
11184
11185 /* FIXME: We do not check to see if there are any other separate debug info
11186 files that would also match. */
11187
ca0e11aa
NC		 11188 if (do_debug_links)
11189 printf (_("\n%s: Found separate debug info file: %s\n"), main_filename, debug_filename);
24841daa 11190 add_separate_debug_file (debug_filename, debug_handle);
dda8d76d 11191
24841daa 11192 /* Do not free debug_filename - it might be referenced inside
dda8d76d 11193 the structure returned by open_debug_file(). */
24841daa 11194 return debug_handle;
dda8d76d
NC		 11195}
11196
d85bf2ba
NC		 11197/* Attempt to load a separate dwarf object file. */
11198
11199static void *
24841daa 11200load_dwo_file (const char * main_filename, const char * name, const char * dir, const char * id ATTRIBUTE_UNUSED)
d85bf2ba 11201{
24841daa
NC		 11202 char * separate_filename;
11203 void * separate_handle;
d85bf2ba 11204
d9d9d8ef
TV		 11205 if (IS_ABSOLUTE_PATH (name))
11206 separate_filename = strdup (name);
11207 else
11208 /* FIXME: Skip adding / if dwo_dir ends in /. */
11209 separate_filename = concat (dir, "/", name, NULL);
24841daa 11210 if (separate_filename == NULL)
d85bf2ba
NC		 11211 {
11212 warn (_("Out of memory allocating dwo filename\n"));
11213 return NULL;
11214 }
11215
24841daa 11216 if ((separate_handle = open_debug_file (separate_filename)) == NULL)
d85bf2ba 11217 {
24841daa
NC		 11218 warn (_("Unable to load dwo file: %s\n"), separate_filename);
11219 free (separate_filename);
d85bf2ba
NC		 11220 return NULL;
11221 }
11222
11223 /* FIXME: We should check the dwo_id. */
11224
24841daa 11225 printf (_("%s: Found separate debug object file: %s\n\n"), main_filename, separate_filename);
bfbfa6e7 11226
24841daa
NC		 11227 add_separate_debug_file (separate_filename, separate_handle);
11228 /* Note - separate_filename will be freed in free_debug_memory(). */
11229 return separate_handle;
d85bf2ba
NC		 11230}
11231
e38332c2
NC		 11232static void
11233load_debug_sup_file (const char * main_filename, void * file)
11234{
11235 if (! load_debug_section (debug_sup, file))
11236 return; /* No .debug_sup section. */
11237
11238 struct dwarf_section * section;
11239 section = & debug_displays [debug_sup].section;
11240 assert (section != NULL);
11241
11242 if (section->start == NULL || section->size < 5)
11243 {
11244 warn (_(".debug_sup section is corrupt/empty\n"));
11245 return;
11246 }
11247
11248 if (section->start[2] != 0)
11249 return; /* This is a supplementary file. */
11250
11251 const char * filename = (const char *) section->start + 3;
11252 if (strnlen (filename, section->size - 3) == section->size - 3)
11253 {
11254 warn (_("filename in .debug_sup section is corrupt\n"));
11255 return;
11256 }
11257
11258 if (filename[0] != '/' && strchr (main_filename, '/'))
11259 {
11260 char * new_name;
bfbfa6e7
NC		 11261 int new_len;
11262
11263 new_len = asprintf (& new_name, "%.*s/%s",
11264 (int) (strrchr (main_filename, '/') - main_filename),
11265 main_filename,
11266 filename);
11267 if (new_len < 3)
11268 {
11269 warn (_("unable to construct path for supplementary debug file"));
11270 if (new_len > -1)
11271 free (new_name);
11272 return;
11273 }
11274 filename = new_name;
11275 }
11276 else
11277 {
11278 /* PR 27796: Make sure that we pass a filename that can be free'd to
11279 add_separate_debug_file(). */
11280 filename = strdup (filename);
11281 if (filename == NULL)
11282 {
11283 warn (_("out of memory constructing filename for .debug_sup link\n"));
11284 return;
11285 }
e38332c2
NC		 11286 }
11287
bfbfa6e7 11288 void * handle = open_debug_file (filename);
e38332c2
NC		 11289 if (handle == NULL)
11290 {
11291 warn (_("unable to open file '%s' referenced from .debug_sup section\n"), filename);
bfbfa6e7 11292 free ((void *) filename);
e38332c2
NC		 11293 return;
11294 }
11295
11296 printf (_("%s: Found supplementary debug file: %s\n\n"), main_filename, filename);
11297
11298 /* FIXME: Compare the checksums, if present. */
11299 add_separate_debug_file (filename, handle);
11300}
11301
ce139cd5
NC		 11302/* Load a debuglink section and/or a debugaltlink section, if either are present.
11303 Recursively check the loaded files for more of these sections.
e38332c2
NC		 11304 Also follow any links in .debug_sup sections.
11305 FIXME: Should also check for DWO_* entries in the newly loaded files. */
ce139cd5
NC		 11306
11307static void
11308check_for_and_load_links (void * file, const char * filename)
11309{
11310 void * handle = NULL;
11311
11312 if (load_debug_section (gnu_debugaltlink, file))
11313 {
11314 Build_id_data build_id_data;
11315
11316 handle = load_separate_debug_info (filename,
11317 & debug_displays[gnu_debugaltlink].section,
11318 parse_gnu_debugaltlink,
11319 check_gnu_debugaltlink,
11320 & build_id_data,
11321 file);
11322 if (handle)
11323 {
11324 assert (handle == first_separate_info->handle);
11325 check_for_and_load_links (first_separate_info->handle,
11326 first_separate_info->filename);
11327 }
11328 }
11329
11330 if (load_debug_section (gnu_debuglink, file))
11331 {
11332 unsigned long crc32;
11333
11334 handle = load_separate_debug_info (filename,
11335 & debug_displays[gnu_debuglink].section,
11336 parse_gnu_debuglink,
11337 check_gnu_debuglink,
11338 & crc32,
11339 file);
11340 if (handle)
11341 {
11342 assert (handle == first_separate_info->handle);
11343 check_for_and_load_links (first_separate_info->handle,
11344 first_separate_info->filename);
11345 }
11346 }
e38332c2
NC		 11347
11348 load_debug_sup_file (filename, file);
ce139cd5
NC		 11349}
11350
24841daa
NC		 11351/* Load the separate debug info file(s) attached to FILE, if any exist.
11352 Returns TRUE if any were found, FALSE otherwise.
11353 If TRUE is returned then the linked list starting at first_separate_info
11354 will be populated with open file handles. */
dda8d76d 11355
015dc7e1 11356bool
24841daa 11357load_separate_debug_files (void * file, const char * filename)
dda8d76d 11358{
8de3a6e2
NC		 11359 /* Skip this operation if we are not interested in debug links. */
11360 if (! do_follow_links && ! do_debug_links)
015dc7e1 11361 return false;
8de3a6e2 11362
24841daa 11363 /* See if there are any dwo links. */
d85bf2ba
NC		 11364 if (load_debug_section (str, file)
11365 && load_debug_section (abbrev, file)
11366 && load_debug_section (info, file))
11367 {
24841daa 11368 free_dwo_info ();
d85bf2ba 11369
50ea0877 11370 if (process_debug_info (& debug_displays[info].section, file, abbrev,
015dc7e1 11371 true, false))
d85bf2ba 11372 {
015dc7e1
AM		 11373 bool introduced = false;
11374 dwo_info *dwinfo;
11375 const char *dir = NULL;
11376 const char *id = NULL;
11377 const char *name = NULL;
24841daa
NC		 11378
11379 for (dwinfo = first_dwo_info; dwinfo != NULL; dwinfo = dwinfo->next)
d85bf2ba 11380 {
50ea0877 11381 /* Accumulate NAME, DIR and ID fields. */
24841daa 11382 switch (dwinfo->type)
d85bf2ba 11383 {
24841daa 11384 case DWO_NAME:
50ea0877
NC		 11385 if (name != NULL)
11386 warn (_("Multiple DWO_NAMEs encountered for the same CU\n"));
11387 name = dwinfo->value;
11388 break;
11389
11390 case DWO_DIR:
11391 /* There can be multiple DW_AT_comp_dir entries in a CU,
11392 so do not complain. */
11393 dir = dwinfo->value;
11394 break;
11395
11396 case DWO_ID:
11397 if (id != NULL)
11398 warn (_("multiple DWO_IDs encountered for the same CU\n"));
11399 id = dwinfo->value;
11400 break;
11401
11402 default:
11403 error (_("Unexpected DWO INFO type"));
11404 break;
11405 }
11406
11407 /* If we have reached the end of our list, or we are changing
11408 CUs, then display the information that we have accumulated
11409 so far. */
11410 if (name != NULL
11411 && (dwinfo->next == NULL
11412 || dwinfo->next->cu_offset != dwinfo->cu_offset))
11413 {
24841daa
NC		 11414 if (do_debug_links)
11415 {
11416 if (! introduced)
11417 {
11418 printf (_("The %s section contains link(s) to dwo file(s):\n\n"),
11419 debug_displays [info].section.uncompressed_name);
015dc7e1 11420 introduced = true;
24841daa 11421 }
d85bf2ba 11422
50ea0877 11423 printf (_(" Name: %s\n"), name);
24841daa
NC		 11424 printf (_(" Directory: %s\n"), dir ? dir : _("<not-found>"));
11425 if (id != NULL)
11426 display_data (printf (_(" ID: ")), (unsigned char *) id, 8);
11427 else
50ea0877 11428 printf (_(" ID: <not specified>\n"));
24841daa
NC		 11429 printf ("\n\n");
11430 }
11431
11432 if (do_follow_links)
50ea0877 11433 load_dwo_file (filename, name, dir, id);
24841daa 11434
50ea0877 11435 name = dir = id = NULL;
24841daa 11436 }
d85bf2ba
NC		 11437 }
11438 }
11439 }
11440
dda8d76d 11441 if (! do_follow_links)
8de3a6e2
NC		 11442 /* The other debug links will be displayed by display_debug_links()
11443 so we do not need to do any further processing here. */
015dc7e1 11444 return false;
dda8d76d
NC		 11445
11446 /* FIXME: We do not check for the presence of both link sections in the same file. */
dda8d76d 11447 /* FIXME: We do not check for the presence of multiple, same-name debuglink sections. */
d85bf2ba 11448 /* FIXME: We do not check for the presence of a dwo link as well as a debuglink. */
dda8d76d 11449
ce139cd5 11450 check_for_and_load_links (file, filename);
24841daa 11451 if (first_separate_info != NULL)
015dc7e1 11452 return true;
24841daa 11453
dda8d76d 11454 do_follow_links = 0;
015dc7e1 11455 return false;
521d4b19 11456}
dda8d76d 11457
19e6b90e
L		 11458void
11459free_debug_memory (void)
11460{
3f5e193b 11461 unsigned int i;
19e6b90e 11462
bcd213b2 11463 free_all_abbrevs ();
19e6b90e 11464
bcd213b2
NC		 11465 free (cu_abbrev_map);
11466 cu_abbrev_map = NULL;
11467 next_free_abbrev_map_entry = 0;
521d4b19 11468
288f0ba2
AM		 11469 free (shndx_pool);
11470 shndx_pool = NULL;
11471 shndx_pool_size = 0;
11472 shndx_pool_used = 0;
11473 free (cu_sets);
11474 cu_sets = NULL;
11475 cu_count = 0;
11476 free (tu_sets);
11477 tu_sets = NULL;
11478 tu_count = 0;
11479
11480 memset (level_type_signed, 0, sizeof level_type_signed);
11481 cu_tu_indexes_read = -1;
11482
19e6b90e 11483 for (i = 0; i < max; i++)
3f5e193b 11484 free_debug_section ((enum dwarf_section_display_enum) i);
19e6b90e 11485
cc86f28f 11486 if (debug_information != NULL)
19e6b90e 11487 {
82fcdb39 11488 for (i = 0; i < alloc_num_debug_info_entries; i++)
19e6b90e 11489 {
82fcdb39 11490 if (debug_information [i].max_loc_offsets)
19e6b90e 11491 {
82fcdb39
AM		 11492 free (debug_information [i].loc_offsets);
11493 free (debug_information [i].have_frame_base);
19e6b90e 11494 }
82fcdb39
AM		 11495 if (debug_information [i].max_range_lists)
11496 free (debug_information [i].range_lists);
19e6b90e
L		 11497 }
11498 free (debug_information);
11499 debug_information = NULL;
82b1b41b 11500 alloc_num_debug_info_entries = num_debug_info_entries = 0;
19e6b90e 11501 }
dda8d76d 11502
24841daa
NC		 11503 separate_info * d;
11504 separate_info * next;
dda8d76d 11505
24841daa
NC		 11506 for (d = first_separate_info; d != NULL; d = next)
11507 {
11508 close_debug_file (d->handle);
11509 free ((void *) d->filename);
11510 next = d->next;
11511 free ((void *) d);
dda8d76d 11512 }
24841daa 11513 first_separate_info = NULL;
521d4b19 11514
24841daa 11515 free_dwo_info ();
19e6b90e
L		 11516}
11517
4cb93e3b
TG		 11518void
11519dwarf_select_sections_by_names (const char *names)
11520{
11521 typedef struct
11522 {
11523 const char * option;
11524 int * variable;
f9f0e732 11525 int val;
4cb93e3b
TG		 11526 }
11527 debug_dump_long_opts;
11528
11529 static const debug_dump_long_opts opts_table [] =
11530 {
11531 /* Please keep this table alpha- sorted. */
11532 { "Ranges", & do_debug_ranges, 1 },
11533 { "abbrev", & do_debug_abbrevs, 1 },
657d0d47 11534 { "addr", & do_debug_addr, 1 },
4cb93e3b 11535 { "aranges", & do_debug_aranges, 1 },
657d0d47
CC		 11536 { "cu_index", & do_debug_cu_index, 1 },
11537 { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED },
dda8d76d 11538 { "follow-links", & do_follow_links, 1 },
4cb93e3b
TG		 11539 { "frames", & do_debug_frames, 1 },
11540 { "frames-interp", & do_debug_frames_interp, 1 },
657d0d47
CC		 11541 /* The special .gdb_index section. */
11542 { "gdb_index", & do_gdb_index, 1 },
4cb93e3b
TG		 11543 { "info", & do_debug_info, 1 },
11544 { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */
dda8d76d 11545 { "links", & do_debug_links, 1 },
4cb93e3b
TG		 11546 { "loc", & do_debug_loc, 1 },
11547 { "macro", & do_debug_macinfo, 1 },
c46b7066 11548 { "no-follow-links", & do_follow_links, 0 },
4cb93e3b 11549 { "pubnames", & do_debug_pubnames, 1 },
357da287 11550 { "pubtypes", & do_debug_pubtypes, 1 },
222c2bf0 11551 /* This entry is for compatibility
4cb93e3b
TG		 11552 with earlier versions of readelf. */
11553 { "ranges", & do_debug_aranges, 1 },
657d0d47 11554 { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW },
4cb93e3b 11555 { "str", & do_debug_str, 1 },
e4b7104b 11556 { "str-offsets", & do_debug_str_offsets, 1 },
6f875884
TG		 11557 /* These trace_* sections are used by Itanium VMS. */
11558 { "trace_abbrev", & do_trace_abbrevs, 1 },
11559 { "trace_aranges", & do_trace_aranges, 1 },
11560 { "trace_info", & do_trace_info, 1 },
4cb93e3b
TG		 11561 { NULL, NULL, 0 }
11562 };
11563
11564 const char *p;
467c65bc 11565
4cb93e3b
TG		 11566 p = names;
11567 while (*p)
11568 {
11569 const debug_dump_long_opts * entry;
467c65bc 11570
4cb93e3b
TG		 11571 for (entry = opts_table; entry->option; entry++)
11572 {
11573 size_t len = strlen (entry->option);
467c65bc 11574
4cb93e3b
TG		 11575 if (strncmp (p, entry->option, len) == 0
11576 && (p[len] == ',' || p[len] == '\0'))
11577 {
c46b7066 11578 * entry->variable = entry->val;
467c65bc 11579
4cb93e3b
TG		 11580 /* The --debug-dump=frames-interp option also
11581 enables the --debug-dump=frames option. */
11582 if (do_debug_frames_interp)
11583 do_debug_frames = 1;
11584
11585 p += len;
11586 break;
11587 }
11588 }
467c65bc 11589
4cb93e3b
TG		 11590 if (entry->option == NULL)
11591 {
11592 warn (_("Unrecognized debug option '%s'\n"), p);
11593 p = strchr (p, ',');
11594 if (p == NULL)
11595 break;
11596 }
467c65bc 11597
4cb93e3b
TG		 11598 if (*p == ',')
11599 p++;
11600 }
11601}
11602
11603void
11604dwarf_select_sections_by_letters (const char *letters)
11605{
91d6fa6a 11606 unsigned int lindex = 0;
4cb93e3b 11607
91d6fa6a
NC		 11608 while (letters[lindex])
11609 switch (letters[lindex++])
4cb93e3b 11610 {
dda8d76d
NC		 11611 case 'A': do_debug_addr = 1; break;
11612 case 'a': do_debug_abbrevs = 1; break;
11613 case 'c': do_debug_cu_index = 1; break;
11614 case 'F': do_debug_frames_interp = 1; /* Fall through. */
11615 case 'f': do_debug_frames = 1; break;
11616 case 'g': do_gdb_index = 1; break;
11617 case 'i': do_debug_info = 1; break;
11618 case 'K': do_follow_links = 1; break;
c46b7066 11619 case 'N': do_follow_links = 0; break;
dda8d76d
NC		 11620 case 'k': do_debug_links = 1; break;
11621 case 'l': do_debug_lines |= FLAG_DEBUG_LINES_RAW; break;
11622 case 'L': do_debug_lines |= FLAG_DEBUG_LINES_DECODED; break;
11623 case 'm': do_debug_macinfo = 1; break;
e4b7104b 11624 case 'O': do_debug_str_offsets = 1; break;
dda8d76d
NC		 11625 case 'o': do_debug_loc = 1; break;
11626 case 'p': do_debug_pubnames = 1; break;
11627 case 'R': do_debug_ranges = 1; break;
11628 case 'r': do_debug_aranges = 1; break;
11629 case 's': do_debug_str = 1; break;
11630 case 'T': do_trace_aranges = 1; break;
11631 case 't': do_debug_pubtypes = 1; break;
11632 case 'U': do_trace_info = 1; break;
11633 case 'u': do_trace_abbrevs = 1; break;
467c65bc 11634
4cb93e3b 11635 default:
7cc78d07 11636 warn (_("Unrecognized debug option '%s'\n"), letters);
4cb93e3b
TG		 11637 break;
11638 }
11639}
11640
11641void
11642dwarf_select_sections_all (void)
11643{
11644 do_debug_info = 1;
11645 do_debug_abbrevs = 1;
11646 do_debug_lines = FLAG_DEBUG_LINES_RAW;
11647 do_debug_pubnames = 1;
f9f0e732 11648 do_debug_pubtypes = 1;
4cb93e3b
TG		 11649 do_debug_aranges = 1;
11650 do_debug_ranges = 1;
11651 do_debug_frames = 1;
11652 do_debug_macinfo = 1;
11653 do_debug_str = 1;
11654 do_debug_loc = 1;
5bbdf3d5 11655 do_gdb_index = 1;
6f875884
TG		 11656 do_trace_info = 1;
11657 do_trace_abbrevs = 1;
11658 do_trace_aranges = 1;
657d0d47
CC		 11659 do_debug_addr = 1;
11660 do_debug_cu_index = 1;
dda8d76d
NC		 11661 do_follow_links = 1;
11662 do_debug_links = 1;
e4b7104b 11663 do_debug_str_offsets = 1;
4cb93e3b
TG		 11664}
11665
208599d9
AM		 11666#define NO_ABBREVS NULL, NULL, NULL, 0, 0, 0, NULL, 0
11667#define ABBREV(N) NULL, NULL, NULL, 0, 0, N, NULL, 0
dda8d76d
NC		 11668
11669/* N.B. The order here must match the order in section_display_enum. */
11670
19e6b90e
L		 11671struct dwarf_section_display debug_displays[] =
11672{
015dc7e1
AM		 11673 { { ".debug_abbrev", ".zdebug_abbrev", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, false },
11674 { { ".debug_aranges", ".zdebug_aranges", NO_ABBREVS }, display_debug_aranges, &do_debug_aranges, true },
11675 { { ".debug_frame", ".zdebug_frame", NO_ABBREVS }, display_debug_frames, &do_debug_frames, true },
11676 { { ".debug_info", ".zdebug_info", ABBREV (abbrev)}, display_debug_info, &do_debug_info, true },
11677 { { ".debug_line", ".zdebug_line", NO_ABBREVS }, display_debug_lines, &do_debug_lines, true },
11678 { { ".debug_pubnames", ".zdebug_pubnames", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubnames, false },
11679 { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubnames, false },
11680 { { ".eh_frame", "", NO_ABBREVS }, display_debug_frames, &do_debug_frames, true },
11681 { { ".debug_macinfo", ".zdebug_macinfo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, false },
11682 { { ".debug_macro", ".zdebug_macro", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, true },
11683 { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, false },
11684 { { ".debug_line_str", ".zdebug_line_str", NO_ABBREVS }, display_debug_str, &do_debug_str, false },
11685 { { ".debug_loc", ".zdebug_loc", NO_ABBREVS }, display_debug_loc, &do_debug_loc, true },
11686 { { ".debug_loclists", ".zdebug_loclists", NO_ABBREVS }, display_debug_loc, &do_debug_loc, true },
11687 { { ".debug_pubtypes", ".zdebug_pubtypes", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubtypes, false },
11688 { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubtypes, false },
11689 { { ".debug_ranges", ".zdebug_ranges", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, true },
11690 { { ".debug_rnglists", ".zdebug_rnglists", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, true },
11691 { { ".debug_static_func", ".zdebug_static_func", NO_ABBREVS }, display_debug_not_supported, NULL, false },
11692 { { ".debug_static_vars", ".zdebug_static_vars", NO_ABBREVS }, display_debug_not_supported, NULL, false },
11693 { { ".debug_types", ".zdebug_types", ABBREV (abbrev) }, display_debug_types, &do_debug_info, true },
11694 { { ".debug_weaknames", ".zdebug_weaknames", NO_ABBREVS }, display_debug_not_supported, NULL, false },
11695 { { ".gdb_index", "", NO_ABBREVS }, display_gdb_index, &do_gdb_index, false },
11696 { { ".debug_names", "", NO_ABBREVS }, display_debug_names, &do_gdb_index, false },
11697 { { ".trace_info", "", ABBREV (trace_abbrev) }, display_trace_info, &do_trace_info, true },
11698 { { ".trace_abbrev", "", NO_ABBREVS }, display_debug_abbrev, &do_trace_abbrevs, false },
11699 { { ".trace_aranges", "", NO_ABBREVS }, display_debug_aranges, &do_trace_aranges, false },
11700 { { ".debug_info.dwo", ".zdebug_info.dwo", ABBREV (abbrev_dwo) }, display_debug_info, &do_debug_info, true },
11701 { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, false },
11702 { { ".debug_types.dwo", ".zdebug_types.dwo", ABBREV (abbrev_dwo) }, display_debug_types, &do_debug_info, true },
11703 { { ".debug_line.dwo", ".zdebug_line.dwo", NO_ABBREVS }, display_debug_lines, &do_debug_lines, true },
11704 { { ".debug_loc.dwo", ".zdebug_loc.dwo", NO_ABBREVS }, display_debug_loc, &do_debug_loc, true },
11705 { { ".debug_macro.dwo", ".zdebug_macro.dwo", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, true },
11706 { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, false },
11707 { { ".debug_str.dwo", ".zdebug_str.dwo", NO_ABBREVS }, display_debug_str, &do_debug_str, true },
11708 { { ".debug_str_offsets", ".zdebug_str_offsets", NO_ABBREVS }, display_debug_str_offsets, &do_debug_str_offsets, true },
11709 { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NO_ABBREVS }, display_debug_str_offsets, &do_debug_str_offsets, true },
11710 { { ".debug_addr", ".zdebug_addr", NO_ABBREVS }, display_debug_addr, &do_debug_addr, true },
11711 { { ".debug_cu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, false },
11712 { { ".debug_tu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, false },
11713 { { ".gnu_debuglink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, false },
11714 { { ".gnu_debugaltlink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, false },
11715 { { ".debug_sup", "", NO_ABBREVS }, display_debug_sup, &do_debug_links, false },
dda8d76d
NC		 11716 /* Separate debug info files can containt their own .debug_str section,
11717 and this might be in *addition* to a .debug_str section already present
11718 in the main file. Hence we need to have two entries for .debug_str. */
015dc7e1 11719 { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, false },
19e6b90e 11720};
b451e98a
JK		 11721
11722/* A static assertion. */
11723extern int debug_displays_assert[ARRAY_SIZE (debug_displays) == max ? 1 : -1];
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