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[MIPS] Add Loongson 2K1000 proccessor support.
[deliverable/binutils-gdb.git] / binutils / dwarf.c
CommitLineData
19e6b90e 1/* dwarf.c -- display DWARF contents of a BFD binary file
219d1afa 2 Copyright (C) 2005-2018 Free Software Foundation, Inc.
19e6b90e
L		 3
4 This file is part of GNU Binutils.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
32866df7 8 the Free Software Foundation; either version 3 of the License, or
19e6b90e
L		 9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
19 02110-1301, USA. */
20
3db64b00 21#include "sysdep.h"
19e6b90e 22#include "libiberty.h"
3db64b00 23#include "bfd.h"
5bbdf3d5 24#include "bfd_stdint.h"
3db64b00 25#include "bucomm.h"
3284fe0c 26#include "elfcomm.h"
2dc4cec1 27#include "elf/common.h"
fa8f86ff 28#include "dwarf2.h"
3db64b00 29#include "dwarf.h"
8d6eee87 30#include "gdb/gdb-index.h"
dda8d76d 31#include "filenames.h"
61364358
JK		 32#include <assert.h>
33
34#undef MAX
35#undef MIN
36#define MAX(a, b) ((a) > (b) ? (a) : (b))
37#define MIN(a, b) ((a) < (b) ? (a) : (b))
19e6b90e 38
18464d4d
JK		 39static const char *regname (unsigned int regno, int row);
40
19e6b90e
L		 41static int have_frame_base;
42static int need_base_address;
43
19e6b90e 44static unsigned int num_debug_info_entries = 0;
82b1b41b 45static unsigned int alloc_num_debug_info_entries = 0;
19e6b90e 46static debug_info *debug_information = NULL;
cc86f28f
NC		 47/* Special value for num_debug_info_entries to indicate
48 that the .debug_info section could not be loaded/parsed. */
49#define DEBUG_INFO_UNAVAILABLE (unsigned int) -1
19e6b90e 50
d85bf2ba
NC		 51static const char * dwo_name;
52static const char * dwo_dir;
53static const unsigned char * dwo_id;
54static bfd_size_type dwo_id_len;
55static bfd_boolean need_dwo_info;
56
77ef8654 57unsigned int eh_addr_size;
19e6b90e
L		 58
59int do_debug_info;
60int do_debug_abbrevs;
61int do_debug_lines;
62int do_debug_pubnames;
f9f0e732 63int do_debug_pubtypes;
19e6b90e
L		 64int do_debug_aranges;
65int do_debug_ranges;
66int do_debug_frames;
67int do_debug_frames_interp;
68int do_debug_macinfo;
69int do_debug_str;
70int do_debug_loc;
5bbdf3d5 71int do_gdb_index;
6f875884
TG		 72int do_trace_info;
73int do_trace_abbrevs;
74int do_trace_aranges;
657d0d47
CC		 75int do_debug_addr;
76int do_debug_cu_index;
a262ae96 77int do_wide;
dda8d76d
NC		 78int do_debug_links;
79int do_follow_links;
19e6b90e 80
fd2f0033
TT		 81int dwarf_cutoff_level = -1;
82unsigned long dwarf_start_die;
83
4723351a
CC		 84int dwarf_check = 0;
85
9f272209
AO		 86/* Convenient constant, to avoid having to cast -1 to dwarf_vma when
87 testing whether e.g. a locview list is present. */
88static const dwarf_vma vm1 = -1;
89
341f9135
CC		 90/* Collection of CU/TU section sets from .debug_cu_index and .debug_tu_index
91 sections. For version 1 package files, each set is stored in SHNDX_POOL
92 as a zero-terminated list of section indexes comprising one set of debug
93 sections from a .dwo file. */
94
341f9135
CC		 95static unsigned int *shndx_pool = NULL;
96static unsigned int shndx_pool_size = 0;
97static unsigned int shndx_pool_used = 0;
98
dda8d76d
NC		 99/* Pointer to a separate file containing extra debug information. */
100static void * separate_debug_file = NULL;
101static const char * separate_debug_filename = NULL;
102
341f9135
CC		 103/* For version 2 package files, each set contains an array of section offsets
104 and an array of section sizes, giving the offset and size of the
105 contribution from a CU or TU within one of the debug sections.
106 When displaying debug info from a package file, we need to use these
107 tables to locate the corresponding contributions to each section. */
108
109struct cu_tu_set
110{
111 uint64_t signature;
112 dwarf_vma section_offsets[DW_SECT_MAX];
113 size_t section_sizes[DW_SECT_MAX];
114};
115
116static int cu_count = 0;
117static int tu_count = 0;
118static struct cu_tu_set *cu_sets = NULL;
119static struct cu_tu_set *tu_sets = NULL;
120
43a444f9 121static bfd_boolean load_cu_tu_indexes (void *);
341f9135 122
4cb93e3b
TG		 123/* Values for do_debug_lines. */
124#define FLAG_DEBUG_LINES_RAW 1
125#define FLAG_DEBUG_LINES_DECODED 2
126
77ef8654 127static unsigned int
f1c4cc75
RH		 128size_of_encoded_value (int encoding)
129{
130 switch (encoding & 0x7)
131 {
132 default: /* ??? */
133 case 0: return eh_addr_size;
134 case 2: return 2;
135 case 3: return 4;
136 case 4: return 8;
137 }
138}
139
140static dwarf_vma
041830e0 141get_encoded_value (unsigned char **pdata,
bad62cf5 142 int encoding,
041830e0
NC		 143 struct dwarf_section *section,
144 unsigned char * end)
f1c4cc75 145{
041830e0 146 unsigned char * data = * pdata;
6937bb54 147 unsigned int size = size_of_encoded_value (encoding);
bad62cf5 148 dwarf_vma val;
f1c4cc75 149
041830e0
NC		 150 if (data + size >= end)
151 {
152 warn (_("Encoded value extends past end of section\n"));
153 * pdata = end;
154 return 0;
155 }
156
6937bb54
NC		 157 /* PR 17512: file: 002-829853-0.004. */
158 if (size > 8)
159 {
160 warn (_("Encoded size of %d is too large to read\n"), size);
161 * pdata = end;
162 return 0;
163 }
164
0a9d414a
NC		 165 /* PR 17512: file: 1085-5603-0.004. */
166 if (size == 0)
167 {
168 warn (_("Encoded size of 0 is too small to read\n"));
169 * pdata = end;
170 return 0;
171 }
172
f1c4cc75 173 if (encoding & DW_EH_PE_signed)
bad62cf5 174 val = byte_get_signed (data, size);
f1c4cc75 175 else
bad62cf5
AM		 176 val = byte_get (data, size);
177
178 if ((encoding & 0x70) == DW_EH_PE_pcrel)
179 val += section->address + (data - section->start);
041830e0
NC		 180
181 * pdata = data + size;
bad62cf5 182 return val;
f1c4cc75
RH		 183}
184
4c219c2e
AM		 185#if defined HAVE_LONG_LONG && SIZEOF_LONG_LONG > SIZEOF_LONG
186# ifndef __MINGW32__
187# define DWARF_VMA_FMT "ll"
188# define DWARF_VMA_FMT_LONG "%16.16llx"
189# else
190# define DWARF_VMA_FMT "I64"
191# define DWARF_VMA_FMT_LONG "%016I64x"
192# endif
2e14fae2 193#else
4c219c2e
AM		 194# define DWARF_VMA_FMT "l"
195# define DWARF_VMA_FMT_LONG "%16.16lx"
2d9472a2
NC		 196#endif
197
bf5117e3
NC		 198/* Convert a dwarf vma value into a string. Returns a pointer to a static
199 buffer containing the converted VALUE. The value is converted according
200 to the printf formating character FMTCH. If NUM_BYTES is non-zero then
201 it specifies the maximum number of bytes to be displayed in the converted
202 value and FMTCH is ignored - hex is always used. */
467c65bc 203
47704ddf 204static const char *
bf5117e3 205dwarf_vmatoa_1 (const char *fmtch, dwarf_vma value, unsigned num_bytes)
47704ddf
KT		 206{
207 /* As dwarf_vmatoa is used more then once in a printf call
208 for output, we are cycling through an fixed array of pointers
209 for return address. */
210 static int buf_pos = 0;
467c65bc
NC		 211 static struct dwarf_vmatoa_buf
212 {
47704ddf
KT		 213 char place[64];
214 } buf[16];
47704ddf
KT		 215 char *ret;
216
47704ddf 217 ret = buf[buf_pos++].place;
467c65bc 218 buf_pos %= ARRAY_SIZE (buf);
47704ddf 219
bf5117e3
NC		 220 if (num_bytes)
221 {
222c2bf0 222 /* Printf does not have a way of specifying a maximum field width for an
bf5117e3
NC		 223 integer value, so we print the full value into a buffer and then select
224 the precision we need. */
225 snprintf (ret, sizeof (buf[0].place), DWARF_VMA_FMT_LONG, value);
226 if (num_bytes > 8)
227 num_bytes = 8;
228 return ret + (16 - 2 * num_bytes);
229 }
230 else
231 {
232 char fmt[32];
233
0bae9e9e
NC		 234 if (fmtch)
235 sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch);
236 else
237 sprintf (fmt, "%%%s", DWARF_VMA_FMT);
bf5117e3
NC		 238 snprintf (ret, sizeof (buf[0].place), fmt, value);
239 return ret;
240 }
241}
47704ddf 242
bf5117e3
NC		 243static inline const char *
244dwarf_vmatoa (const char * fmtch, dwarf_vma value)
245{
246 return dwarf_vmatoa_1 (fmtch, value, 0);
247}
248
249/* Print a dwarf_vma value (typically an address, offset or length) in
250 hexadecimal format, followed by a space. The length of the VALUE (and
251 hence the precision displayed) is determined by the NUM_BYTES parameter. */
252
253static void
254print_dwarf_vma (dwarf_vma value, unsigned num_bytes)
255{
256 printf ("%s ", dwarf_vmatoa_1 (NULL, value, num_bytes));
47704ddf
KT		 257}
258
9f272209
AO		 259/* Print a view number in hexadecimal value, with the same width
260 print_dwarf_vma would have printed it with the same num_bytes.
261 Print blanks for zero view, unless force is nonzero. */
262
263static void
264print_dwarf_view (dwarf_vma value, unsigned num_bytes, int force)
265{
266 int len;
267 if (!num_bytes)
268 len = 4;
269 else
270 len = num_bytes * 2;
271
272 assert (value == (unsigned long) value);
273 if (value || force)
274 printf ("v%0*lx ", len - 1, (unsigned long) value);
275 else
276 printf ("%*s", len + 1, "");
277}
278
74bc6052
CC		 279/* Format a 64-bit value, given as two 32-bit values, in hex.
280 For reentrancy, this uses a buffer provided by the caller. */
281
282static const char *
283dwarf_vmatoa64 (dwarf_vma hvalue, dwarf_vma lvalue, char *buf,
284 unsigned int buf_len)
285{
286 int len = 0;
287
288 if (hvalue == 0)
289 snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", lvalue);
290 else
291 {
292 len = snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", hvalue);
293 snprintf (buf + len, buf_len - len,
294 "%08" DWARF_VMA_FMT "x", lvalue);
295 }
296
297 return buf;
298}
299
f6f0e17b
NC		 300/* Read in a LEB128 encoded value starting at address DATA.
301 If SIGN is true, return a signed LEB128 value.
302 If LENGTH_RETURN is not NULL, return in it the number of bytes read.
303 No bytes will be read at address END or beyond. */
304
467c65bc 305dwarf_vma
f6f0e17b
NC		 306read_leb128 (unsigned char *data,
307 unsigned int *length_return,
308 bfd_boolean sign,
309 const unsigned char * const end)
19e6b90e 310{
467c65bc 311 dwarf_vma result = 0;
19e6b90e
L		 312 unsigned int num_read = 0;
313 unsigned int shift = 0;
f6f0e17b 314 unsigned char byte = 0;
19e6b90e 315
f6f0e17b 316 while (data < end)
19e6b90e
L		 317 {
318 byte = *data++;
319 num_read++;
320
467c65bc 321 result |= ((dwarf_vma) (byte & 0x7f)) << shift;
19e6b90e
L		 322
323 shift += 7;
f6f0e17b
NC		 324 if ((byte & 0x80) == 0)
325 break;
77ef8654
NC		 326
327 /* PR 17512: file: 0ca183b8.
328 FIXME: Should we signal this error somehow ? */
f641dd96 329 if (shift >= sizeof (result) * 8)
77ef8654 330 break;
19e6b90e 331 }
19e6b90e
L		 332
333 if (length_return != NULL)
334 *length_return = num_read;
335
336 if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40))
c4e0beac 337 result |= -((dwarf_vma) 1 << shift);
19e6b90e
L		 338
339 return result;
340}
341
467c65bc 342/* Create a signed version to avoid painful typecasts. */
f6f0e17b
NC		 343static inline dwarf_signed_vma
344read_sleb128 (unsigned char * data,
345 unsigned int * length_return,
346 const unsigned char * const end)
347{
348 return (dwarf_signed_vma) read_leb128 (data, length_return, TRUE, end);
349}
350
351static inline dwarf_vma
352read_uleb128 (unsigned char * data,
353 unsigned int * length_return,
354 const unsigned char * const end)
467c65bc 355{
f6f0e17b 356 return read_leb128 (data, length_return, FALSE, end);
467c65bc
NC		 357}
358
7f2c8a1d
NC		 359#define SKIP_ULEB() read_uleb128 (start, & length_return, end); start += length_return
360#define SKIP_SLEB() read_sleb128 (start, & length_return, end); start += length_return
361
362#define READ_ULEB(var) \
363 do \
364 { \
365 dwarf_vma _val; \
366 \
367 (var) = _val = read_uleb128 (start, &length_return, end); \
368 if ((var) != _val) \
66cfc0fd
AM		 369 error (_("Internal error: %s:%d: LEB value (%s) " \
370 "too large for containing variable\n"), \
371 __FILE__, __LINE__, dwarf_vmatoa ("u", _val)); \
7f2c8a1d
NC		 372 start += length_return; \
373 } \
374 while (0)
375
376#define READ_SLEB(var) \
377 do \
378 { \
379 dwarf_signed_vma _val; \
380 \
381 (var) = _val = read_sleb128 (start, &length_return, end); \
382 if ((var) != _val) \
66cfc0fd
AM		 383 error (_("Internal error: %s:%d: LEB value (%s) " \
384 "too large for containing variable\n"), \
385 __FILE__, __LINE__, dwarf_vmatoa ("d", _val)); \
7f2c8a1d
NC		 386 start += length_return; \
387 } \
388 while (0)
389
d11ae95e
NC		 390/* Read AMOUNT bytes from PTR and store them in VAL as an unsigned value.
391 Checks to make sure that the read will not reach or pass END
392 and that VAL is big enough to hold AMOUNT bytes. */
0c588247
NC		 393#define SAFE_BYTE_GET(VAL, PTR, AMOUNT, END) \
394 do \
395 { \
396 unsigned int amount = (AMOUNT); \
34b9f729
NC		 397 if (sizeof (VAL) < amount) \
398 { \
d3a49aa8
AM		 399 error (ngettext ("internal error: attempt to read %d byte " \
400 "of data in to %d sized variable", \
401 "internal error: attempt to read %d bytes " \
402 "of data in to %d sized variable", \
403 amount), \
34b9f729
NC		 404 amount, (int) sizeof (VAL)); \
405 amount = sizeof (VAL); \
406 } \
0c588247
NC		 407 if (((PTR) + amount) >= (END)) \
408 { \
409 if ((PTR) < (END)) \
410 amount = (END) - (PTR); \
411 else \
412 amount = 0; \
413 } \
6937bb54 414 if (amount == 0 || amount > 8) \
0c588247 415 VAL = 0; \
6937bb54
NC		 416 else \
417 VAL = byte_get ((PTR), amount); \
0c588247
NC		 418 } \
419 while (0)
420
d11ae95e 421/* Like SAFE_BYTE_GET, but also increments PTR by AMOUNT. */
0c588247
NC		 422#define SAFE_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \
423 do \
424 { \
425 SAFE_BYTE_GET (VAL, PTR, AMOUNT, END); \
426 PTR += AMOUNT; \
427 } \
428 while (0)
429
d11ae95e 430/* Like SAFE_BYTE_GET, but reads a signed value. */
0c588247
NC		 431#define SAFE_SIGNED_BYTE_GET(VAL, PTR, AMOUNT, END) \
432 do \
433 { \
434 unsigned int amount = (AMOUNT); \
435 if (((PTR) + amount) >= (END)) \
436 { \
437 if ((PTR) < (END)) \
438 amount = (END) - (PTR); \
439 else \
440 amount = 0; \
441 } \
442 if (amount) \
443 VAL = byte_get_signed ((PTR), amount); \
444 else \
445 VAL = 0; \
446 } \
447 while (0)
448
d11ae95e 449/* Like SAFE_SIGNED_BYTE_GET, but also increments PTR by AMOUNT. */
0c588247
NC		 450#define SAFE_SIGNED_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \
451 do \
452 { \
453 SAFE_SIGNED_BYTE_GET (VAL, PTR, AMOUNT, END); \
454 PTR += AMOUNT; \
455 } \
456 while (0)
457
458#define SAFE_BYTE_GET64(PTR, HIGH, LOW, END) \
459 do \
460 { \
87bc83b3 461 if (((PTR) + 8) <= (END)) \
0c588247
NC		 462 { \
463 byte_get_64 ((PTR), (HIGH), (LOW)); \
464 } \
465 else \
466 { \
0c588247
NC		 467 * (LOW) = * (HIGH) = 0; \
468 } \
469 } \
470 while (0)
471
19e6b90e
L		 472typedef struct State_Machine_Registers
473{
467c65bc 474 dwarf_vma address;
ba8826a8 475 unsigned int view;
19e6b90e
L		 476 unsigned int file;
477 unsigned int line;
478 unsigned int column;
479 int is_stmt;
480 int basic_block;
a233b20c
JJ		 481 unsigned char op_index;
482 unsigned char end_sequence;
ba8826a8
AO		 483 /* This variable hold the number of the last entry seen
484 in the File Table. */
19e6b90e
L		 485 unsigned int last_file_entry;
486} SMR;
487
488static SMR state_machine_regs;
489
490static void
491reset_state_machine (int is_stmt)
492{
493 state_machine_regs.address = 0;
ba8826a8 494 state_machine_regs.view = 0;
a233b20c 495 state_machine_regs.op_index = 0;
19e6b90e
L		 496 state_machine_regs.file = 1;
497 state_machine_regs.line = 1;
498 state_machine_regs.column = 0;
499 state_machine_regs.is_stmt = is_stmt;
500 state_machine_regs.basic_block = 0;
501 state_machine_regs.end_sequence = 0;
502 state_machine_regs.last_file_entry = 0;
503}
504
505/* Handled an extend line op.
506 Returns the number of bytes read. */
507
508static int
f6f0e17b
NC		 509process_extended_line_op (unsigned char * data,
510 int is_stmt,
511 unsigned char * end)
19e6b90e
L		 512{
513 unsigned char op_code;
514 unsigned int bytes_read;
515 unsigned int len;
516 unsigned char *name;
143a3db0 517 unsigned char *orig_data = data;
f6f0e17b 518 dwarf_vma adr;
19e6b90e 519
f6f0e17b 520 len = read_uleb128 (data, & bytes_read, end);
19e6b90e
L		 521 data += bytes_read;
522
e44c58ce 523 if (len == 0 || data == end || len > (uintptr_t) (end - data))
19e6b90e 524 {
f41e4712 525 warn (_("Badly formed extended line op encountered!\n"));
19e6b90e
L		 526 return bytes_read;
527 }
528
529 len += bytes_read;
530 op_code = *data++;
531
532 printf (_(" Extended opcode %d: "), op_code);
533
534 switch (op_code)
535 {
536 case DW_LNE_end_sequence:
537 printf (_("End of Sequence\n\n"));
538 reset_state_machine (is_stmt);
539 break;
540
541 case DW_LNE_set_address:
6937bb54
NC		 542 /* PR 17512: file: 002-100480-0.004. */
543 if (len - bytes_read - 1 > 8)
77ef8654
NC		 544 {
545 warn (_("Length (%d) of DW_LNE_set_address op is too long\n"),
546 len - bytes_read - 1);
547 adr = 0;
548 }
549 else
550 SAFE_BYTE_GET (adr, data, len - bytes_read - 1, end);
47704ddf 551 printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr));
19e6b90e 552 state_machine_regs.address = adr;
ba8826a8 553 state_machine_regs.view = 0;
a233b20c 554 state_machine_regs.op_index = 0;
19e6b90e
L		 555 break;
556
557 case DW_LNE_define_file:
143a3db0 558 printf (_("define new File Table entry\n"));
19e6b90e 559 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
cc5914eb 560 printf (" %d\t", ++state_machine_regs.last_file_entry);
f6f0e17b 561
d949ff56
NC		 562 {
563 size_t l;
564
565 name = data;
566 l = strnlen ((char *) data, end - data);
567 data += len + 1;
568 printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
569 data += bytes_read;
570 printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
571 data += bytes_read;
572 printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
573 data += bytes_read;
574 printf ("%.*s\n\n", (int) l, name);
575 }
f6f0e17b
NC		 576
577 if (((unsigned int) (data - orig_data) != len) || data == end)
b4eb7656 578 warn (_("DW_LNE_define_file: Bad opcode length\n"));
19e6b90e
L		 579 break;
580
ed4a4bdf 581 case DW_LNE_set_discriminator:
47704ddf 582 printf (_("set Discriminator to %s\n"),
f6f0e17b 583 dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
ed4a4bdf
CC		 584 break;
585
e2a0d921
NC		 586 /* HP extensions. */
587 case DW_LNE_HP_negate_is_UV_update:
ed4a4bdf 588 printf ("DW_LNE_HP_negate_is_UV_update\n");
e2a0d921
NC		 589 break;
590 case DW_LNE_HP_push_context:
ed4a4bdf 591 printf ("DW_LNE_HP_push_context\n");
e2a0d921
NC		 592 break;
593 case DW_LNE_HP_pop_context:
ed4a4bdf 594 printf ("DW_LNE_HP_pop_context\n");
e2a0d921
NC		 595 break;
596 case DW_LNE_HP_set_file_line_column:
ed4a4bdf 597 printf ("DW_LNE_HP_set_file_line_column\n");
e2a0d921
NC		 598 break;
599 case DW_LNE_HP_set_routine_name:
ed4a4bdf 600 printf ("DW_LNE_HP_set_routine_name\n");
e2a0d921
NC		 601 break;
602 case DW_LNE_HP_set_sequence:
ed4a4bdf 603 printf ("DW_LNE_HP_set_sequence\n");
e2a0d921
NC		 604 break;
605 case DW_LNE_HP_negate_post_semantics:
ed4a4bdf 606 printf ("DW_LNE_HP_negate_post_semantics\n");
e2a0d921
NC		 607 break;
608 case DW_LNE_HP_negate_function_exit:
ed4a4bdf 609 printf ("DW_LNE_HP_negate_function_exit\n");
e2a0d921
NC		 610 break;
611 case DW_LNE_HP_negate_front_end_logical:
ed4a4bdf 612 printf ("DW_LNE_HP_negate_front_end_logical\n");
e2a0d921
NC		 613 break;
614 case DW_LNE_HP_define_proc:
ed4a4bdf 615 printf ("DW_LNE_HP_define_proc\n");
e2a0d921 616 break;
43294ab7
TG		 617 case DW_LNE_HP_source_file_correlation:
618 {
b4eb7656
AM		 619 unsigned char *edata = data + len - bytes_read - 1;
620
621 printf ("DW_LNE_HP_source_file_correlation\n");
622
623 while (data < edata)
624 {
625 unsigned int opc;
626
627 opc = read_uleb128 (data, & bytes_read, edata);
628 data += bytes_read;
629
630 switch (opc)
631 {
632 case DW_LNE_HP_SFC_formfeed:
633 printf (" DW_LNE_HP_SFC_formfeed\n");
634 break;
635 case DW_LNE_HP_SFC_set_listing_line:
636 printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n",
637 dwarf_vmatoa ("u",
638 read_uleb128 (data, & bytes_read, edata)));
639 data += bytes_read;
640 break;
641 case DW_LNE_HP_SFC_associate:
642 printf (" DW_LNE_HP_SFC_associate ");
643 printf ("(%s",
644 dwarf_vmatoa ("u",
645 read_uleb128 (data, & bytes_read, edata)));
646 data += bytes_read;
647 printf (",%s",
648 dwarf_vmatoa ("u",
649 read_uleb128 (data, & bytes_read, edata)));
650 data += bytes_read;
651 printf (",%s)\n",
652 dwarf_vmatoa ("u",
653 read_uleb128 (data, & bytes_read, edata)));
654 data += bytes_read;
655 break;
656 default:
657 printf (_(" UNKNOWN DW_LNE_HP_SFC opcode (%u)\n"), opc);
658 data = edata;
659 break;
660 }
661 }
43294ab7
TG		 662 }
663 break;
cecf136e 664
19e6b90e 665 default:
7e665af3 666 {
b4eb7656
AM		 667 unsigned int rlen = len - bytes_read - 1;
668
669 if (op_code >= DW_LNE_lo_user
670 /* The test against DW_LNW_hi_user is redundant due to
671 the limited range of the unsigned char data type used
672 for op_code. */
673 /*&& op_code <= DW_LNE_hi_user*/)
674 printf (_("user defined: "));
675 else
676 printf (_("UNKNOWN: "));
677 printf (_("length %d ["), rlen);
678 for (; rlen; rlen--)
679 printf (" %02x", *data++);
680 printf ("]\n");
7e665af3 681 }
19e6b90e
L		 682 break;
683 }
684
685 return len;
686}
687
0c588247 688static const unsigned char *
467c65bc 689fetch_indirect_string (dwarf_vma offset)
19e6b90e
L		 690{
691 struct dwarf_section *section = &debug_displays [str].section;
d949ff56 692 const unsigned char * ret;
19e6b90e
L		 693
694 if (section->start == NULL)
0c588247 695 return (const unsigned char *) _("<no .debug_str section>");
19e6b90e 696
d949ff56 697 if (offset >= section->size)
19e6b90e 698 {
467c65bc
NC		 699 warn (_("DW_FORM_strp offset too big: %s\n"),
700 dwarf_vmatoa ("x", offset));
0c588247 701 return (const unsigned char *) _("<offset is too big>");
19e6b90e
L		 702 }
703
d949ff56
NC		 704 ret = section->start + offset;
705 /* Unfortunately we cannot rely upon the .debug_str section ending with a
706 NUL byte. Since our caller is expecting to receive a well formed C
707 string we test for the lack of a terminating byte here. */
708 if (strnlen ((const char *) ret, section->size - offset)
709 == section->size - offset)
710 ret = (const unsigned char *)
711 _("<no NUL byte at end of .debug_str section>");
712
713 return ret;
19e6b90e
L		 714}
715
77145576
JK		 716static const unsigned char *
717fetch_indirect_line_string (dwarf_vma offset)
718{
719 struct dwarf_section *section = &debug_displays [line_str].section;
d949ff56 720 const unsigned char * ret;
77145576
JK		 721
722 if (section->start == NULL)
723 return (const unsigned char *) _("<no .debug_line_str section>");
724
d949ff56 725 if (offset >= section->size)
77145576
JK		 726 {
727 warn (_("DW_FORM_line_strp offset too big: %s\n"),
728 dwarf_vmatoa ("x", offset));
729 return (const unsigned char *) _("<offset is too big>");
730 }
731
d949ff56
NC		 732 ret = section->start + offset;
733 /* Unfortunately we cannot rely upon the .debug_line_str section ending
734 with a NUL byte. Since our caller is expecting to receive a well formed
735 C string we test for the lack of a terminating byte here. */
736 if (strnlen ((const char *) ret, section->size - offset)
737 == section->size - offset)
738 ret = (const unsigned char *)
739 _("<no NUL byte at end of .debug_line_str section>");
740
741 return ret;
77145576
JK		 742}
743
4723351a 744static const char *
341f9135 745fetch_indexed_string (dwarf_vma idx, struct cu_tu_set *this_set,
d85bf2ba 746 dwarf_vma offset_size, bfd_boolean dwo)
4723351a
CC		 747{
748 enum dwarf_section_display_enum str_sec_idx = dwo ? str_dwo : str;
749 enum dwarf_section_display_enum idx_sec_idx = dwo ? str_index_dwo : str_index;
750 struct dwarf_section *index_section = &debug_displays [idx_sec_idx].section;
751 struct dwarf_section *str_section = &debug_displays [str_sec_idx].section;
752 dwarf_vma index_offset = idx * offset_size;
753 dwarf_vma str_offset;
d949ff56 754 const char * ret;
4723351a
CC		 755
756 if (index_section->start == NULL)
757 return (dwo ? _("<no .debug_str_offsets.dwo section>")
758 : _("<no .debug_str_offsets section>"));
759
341f9135
CC		 760 if (this_set != NULL)
761 index_offset += this_set->section_offsets [DW_SECT_STR_OFFSETS];
d949ff56 762 if (index_offset >= index_section->size)
4723351a
CC		 763 {
764 warn (_("DW_FORM_GNU_str_index offset too big: %s\n"),
765 dwarf_vmatoa ("x", index_offset));
766 return _("<index offset is too big>");
767 }
768
769 if (str_section->start == NULL)
770 return (dwo ? _("<no .debug_str.dwo section>")
771 : _("<no .debug_str section>"));
772
773 str_offset = byte_get (index_section->start + index_offset, offset_size);
774 str_offset -= str_section->address;
d949ff56 775 if (str_offset >= str_section->size)
4723351a
CC		 776 {
777 warn (_("DW_FORM_GNU_str_index indirect offset too big: %s\n"),
778 dwarf_vmatoa ("x", str_offset));
779 return _("<indirect index offset is too big>");
780 }
781
d949ff56
NC		 782 ret = (const char *) str_section->start + str_offset;
783 /* Unfortunately we cannot rely upon str_section ending with a NUL byte.
784 Since our caller is expecting to receive a well formed C string we test
785 for the lack of a terminating byte here. */
786 if (strnlen (ret, str_section->size - str_offset)
787 == str_section->size - str_offset)
788 ret = (const char *) _("<no NUL byte at end of section>");
789
790 return ret;
4723351a
CC		 791}
792
793static const char *
794fetch_indexed_value (dwarf_vma offset, dwarf_vma bytes)
795{
796 struct dwarf_section *section = &debug_displays [debug_addr].section;
797
798 if (section->start == NULL)
799 return (_("<no .debug_addr section>"));
800
801 if (offset + bytes > section->size)
802 {
803 warn (_("Offset into section %s too big: %s\n"),
b4eb7656 804 section->name, dwarf_vmatoa ("x", offset));
4723351a
CC		 805 return "<offset too big>";
806 }
807
808 return dwarf_vmatoa ("x", byte_get (section->start + offset, bytes));
809}
810
811
19e6b90e
L		 812/* FIXME: There are better and more efficient ways to handle
813 these structures. For now though, I just want something that
814 is simple to implement. */
815typedef struct abbrev_attr
816{
817 unsigned long attribute;
818 unsigned long form;
77145576 819 bfd_signed_vma implicit_const;
19e6b90e
L		 820 struct abbrev_attr *next;
821}
822abbrev_attr;
823
824typedef struct abbrev_entry
825{
826 unsigned long entry;
827 unsigned long tag;
828 int children;
829 struct abbrev_attr *first_attr;
830 struct abbrev_attr *last_attr;
831 struct abbrev_entry *next;
832}
833abbrev_entry;
834
835static abbrev_entry *first_abbrev = NULL;
836static abbrev_entry *last_abbrev = NULL;
837
838static void
839free_abbrevs (void)
840{
91d6fa6a 841 abbrev_entry *abbrv;
19e6b90e 842
91d6fa6a 843 for (abbrv = first_abbrev; abbrv;)
19e6b90e 844 {
91d6fa6a 845 abbrev_entry *next_abbrev = abbrv->next;
19e6b90e
L		 846 abbrev_attr *attr;
847
91d6fa6a 848 for (attr = abbrv->first_attr; attr;)
19e6b90e 849 {
91d6fa6a 850 abbrev_attr *next_attr = attr->next;
19e6b90e
L		 851
852 free (attr);
91d6fa6a 853 attr = next_attr;
19e6b90e
L		 854 }
855
91d6fa6a
NC		 856 free (abbrv);
857 abbrv = next_abbrev;
19e6b90e
L		 858 }
859
860 last_abbrev = first_abbrev = NULL;
861}
862
863static void
864add_abbrev (unsigned long number, unsigned long tag, int children)
865{
866 abbrev_entry *entry;
867
3f5e193b 868 entry = (abbrev_entry *) malloc (sizeof (*entry));
19e6b90e
L		 869 if (entry == NULL)
870 /* ugg */
871 return;
872
873 entry->entry = number;
874 entry->tag = tag;
875 entry->children = children;
876 entry->first_attr = NULL;
877 entry->last_attr = NULL;
878 entry->next = NULL;
879
880 if (first_abbrev == NULL)
881 first_abbrev = entry;
882 else
883 last_abbrev->next = entry;
884
885 last_abbrev = entry;
886}
887
888static void
77145576
JK		 889add_abbrev_attr (unsigned long attribute, unsigned long form,
890 bfd_signed_vma implicit_const)
19e6b90e
L		 891{
892 abbrev_attr *attr;
893
3f5e193b 894 attr = (abbrev_attr *) malloc (sizeof (*attr));
19e6b90e
L		 895 if (attr == NULL)
896 /* ugg */
897 return;
898
899 attr->attribute = attribute;
900 attr->form = form;
77145576 901 attr->implicit_const = implicit_const;
19e6b90e
L		 902 attr->next = NULL;
903
904 if (last_abbrev->first_attr == NULL)
905 last_abbrev->first_attr = attr;
906 else
907 last_abbrev->last_attr->next = attr;
908
909 last_abbrev->last_attr = attr;
910}
911
912/* Processes the (partial) contents of a .debug_abbrev section.
913 Returns NULL if the end of the section was encountered.
914 Returns the address after the last byte read if the end of
915 an abbreviation set was found. */
916
917static unsigned char *
918process_abbrev_section (unsigned char *start, unsigned char *end)
919{
920 if (first_abbrev != NULL)
921 return NULL;
922
923 while (start < end)
924 {
925 unsigned int bytes_read;
926 unsigned long entry;
927 unsigned long tag;
928 unsigned long attribute;
929 int children;
930
f6f0e17b 931 entry = read_uleb128 (start, & bytes_read, end);
19e6b90e
L		 932 start += bytes_read;
933
934 /* A single zero is supposed to end the section according
935 to the standard. If there's more, then signal that to
936 the caller. */
f6f0e17b
NC		 937 if (start == end)
938 return NULL;
19e6b90e 939 if (entry == 0)
f6f0e17b 940 return start;
19e6b90e 941
f6f0e17b 942 tag = read_uleb128 (start, & bytes_read, end);
19e6b90e 943 start += bytes_read;
f6f0e17b
NC		 944 if (start == end)
945 return NULL;
19e6b90e
L		 946
947 children = *start++;
948
949 add_abbrev (entry, tag, children);
950
951 do
952 {
953 unsigned long form;
77145576
JK		 954 /* Initialize it due to a false compiler warning. */
955 bfd_signed_vma implicit_const = -1;
19e6b90e 956
f6f0e17b 957 attribute = read_uleb128 (start, & bytes_read, end);
19e6b90e 958 start += bytes_read;
f6f0e17b
NC		 959 if (start == end)
960 break;
19e6b90e 961
f6f0e17b 962 form = read_uleb128 (start, & bytes_read, end);
19e6b90e 963 start += bytes_read;
f6f0e17b
NC		 964 if (start == end)
965 break;
19e6b90e 966
77145576
JK		 967 if (form == DW_FORM_implicit_const)
968 {
969 implicit_const = read_sleb128 (start, & bytes_read, end);
970 start += bytes_read;
971 if (start == end)
972 break;
973 }
974
975 add_abbrev_attr (attribute, form, implicit_const);
19e6b90e
L		 976 }
977 while (attribute != 0);
978 }
979
399c99f7
L		 980 /* Report the missing single zero which ends the section. */
981 error (_(".debug_abbrev section not zero terminated\n"));
982
19e6b90e
L		 983 return NULL;
984}
985
a19c41a7 986static const char *
19e6b90e
L		 987get_TAG_name (unsigned long tag)
988{
04914e37 989 const char *name = get_DW_TAG_name ((unsigned int) tag);
a19c41a7
TT		 990
991 if (name == NULL)
19e6b90e 992 {
a19c41a7 993 static char buffer[100];
19e6b90e 994
04914e37
NC		 995 if (tag >= DW_TAG_lo_user && tag <= DW_TAG_hi_user)
996 snprintf (buffer, sizeof (buffer), _("User TAG value: %#lx"), tag);
997 else
998 snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %#lx"), tag);
a19c41a7 999 return buffer;
19e6b90e 1000 }
a19c41a7
TT		 1001
1002 return name;
19e6b90e
L		 1003}
1004
a19c41a7 1005static const char *
19e6b90e
L		 1006get_FORM_name (unsigned long form)
1007{
399c99f7 1008 const char *name;
bf5117e3 1009
399c99f7
L		 1010 if (form == 0)
1011 return "DW_FORM value: 0";
a19c41a7 1012
399c99f7 1013 name = get_DW_FORM_name (form);
a19c41a7 1014 if (name == NULL)
19e6b90e 1015 {
a19c41a7 1016 static char buffer[100];
19e6b90e 1017
a19c41a7
TT		 1018 snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form);
1019 return buffer;
19e6b90e 1020 }
a19c41a7
TT		 1021
1022 return name;
19e6b90e
L		 1023}
1024
61364358
JK		 1025static const char *
1026get_IDX_name (unsigned long idx)
1027{
1028 const char *name = get_DW_IDX_name ((unsigned int) idx);
1029
1030 if (name == NULL)
1031 {
1032 static char buffer[100];
1033
1034 snprintf (buffer, sizeof (buffer), _("Unknown IDX value: %lx"), idx);
1035 return buffer;
1036 }
1037
1038 return name;
1039}
1040
19e6b90e 1041static unsigned char *
0c588247
NC		 1042display_block (unsigned char *data,
1043 dwarf_vma length,
ef0b5f1c 1044 const unsigned char * const end, char delimiter)
19e6b90e 1045{
0c588247
NC		 1046 dwarf_vma maxlen;
1047
ef0b5f1c 1048 printf (_("%c%s byte block: "), delimiter, dwarf_vmatoa ("u", length));
a1165289
NC		 1049 if (data > end)
1050 return (unsigned char *) end;
19e6b90e 1051
0c588247
NC		 1052 maxlen = (dwarf_vma) (end - data);
1053 length = length > maxlen ? maxlen : length;
1054
19e6b90e
L		 1055 while (length --)
1056 printf ("%lx ", (unsigned long) byte_get (data++, 1));
1057
1058 return data;
1059}
1060
1061static int
1062decode_location_expression (unsigned char * data,
1063 unsigned int pointer_size,
b7807392
JJ		 1064 unsigned int offset_size,
1065 int dwarf_version,
467c65bc
NC		 1066 dwarf_vma length,
1067 dwarf_vma cu_offset,
f1c4cc75 1068 struct dwarf_section * section)
19e6b90e
L		 1069{
1070 unsigned op;
1071 unsigned int bytes_read;
467c65bc 1072 dwarf_vma uvalue;
0c588247 1073 dwarf_signed_vma svalue;
19e6b90e
L		 1074 unsigned char *end = data + length;
1075 int need_frame_base = 0;
1076
1077 while (data < end)
1078 {
1079 op = *data++;
1080
1081 switch (op)
1082 {
1083 case DW_OP_addr:
0c588247
NC		 1084 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1085 printf ("DW_OP_addr: %s", dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 1086 break;
1087 case DW_OP_deref:
1088 printf ("DW_OP_deref");
1089 break;
1090 case DW_OP_const1u:
0c588247
NC		 1091 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1092 printf ("DW_OP_const1u: %lu", (unsigned long) uvalue);
19e6b90e
L		 1093 break;
1094 case DW_OP_const1s:
0c588247
NC		 1095 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 1, end);
1096 printf ("DW_OP_const1s: %ld", (long) svalue);
19e6b90e
L		 1097 break;
1098 case DW_OP_const2u:
87bc83b3 1099 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
0c588247 1100 printf ("DW_OP_const2u: %lu", (unsigned long) uvalue);
19e6b90e
L		 1101 break;
1102 case DW_OP_const2s:
0c588247
NC		 1103 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1104 printf ("DW_OP_const2s: %ld", (long) svalue);
19e6b90e
L		 1105 break;
1106 case DW_OP_const4u:
0c588247
NC		 1107 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1108 printf ("DW_OP_const4u: %lu", (unsigned long) uvalue);
19e6b90e
L		 1109 break;
1110 case DW_OP_const4s:
0c588247
NC		 1111 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1112 printf ("DW_OP_const4s: %ld", (long) svalue);
19e6b90e
L		 1113 break;
1114 case DW_OP_const8u:
0c588247
NC		 1115 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1116 printf ("DW_OP_const8u: %lu ", (unsigned long) uvalue);
1117 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
1118 printf ("%lu", (unsigned long) uvalue);
19e6b90e
L		 1119 break;
1120 case DW_OP_const8s:
0c588247
NC		 1121 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1122 printf ("DW_OP_const8s: %ld ", (long) svalue);
1123 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
1124 printf ("%ld", (long) svalue);
19e6b90e
L		 1125 break;
1126 case DW_OP_constu:
467c65bc 1127 printf ("DW_OP_constu: %s",
f6f0e17b 1128 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
19e6b90e
L		 1129 data += bytes_read;
1130 break;
1131 case DW_OP_consts:
467c65bc 1132 printf ("DW_OP_consts: %s",
f6f0e17b 1133 dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
19e6b90e
L		 1134 data += bytes_read;
1135 break;
1136 case DW_OP_dup:
1137 printf ("DW_OP_dup");
1138 break;
1139 case DW_OP_drop:
1140 printf ("DW_OP_drop");
1141 break;
1142 case DW_OP_over:
1143 printf ("DW_OP_over");
1144 break;
1145 case DW_OP_pick:
0c588247
NC		 1146 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1147 printf ("DW_OP_pick: %ld", (unsigned long) uvalue);
19e6b90e
L		 1148 break;
1149 case DW_OP_swap:
1150 printf ("DW_OP_swap");
1151 break;
1152 case DW_OP_rot:
1153 printf ("DW_OP_rot");
1154 break;
1155 case DW_OP_xderef:
1156 printf ("DW_OP_xderef");
1157 break;
1158 case DW_OP_abs:
1159 printf ("DW_OP_abs");
1160 break;
1161 case DW_OP_and:
1162 printf ("DW_OP_and");
1163 break;
1164 case DW_OP_div:
1165 printf ("DW_OP_div");
1166 break;
1167 case DW_OP_minus:
1168 printf ("DW_OP_minus");
1169 break;
1170 case DW_OP_mod:
1171 printf ("DW_OP_mod");
1172 break;
1173 case DW_OP_mul:
1174 printf ("DW_OP_mul");
1175 break;
1176 case DW_OP_neg:
1177 printf ("DW_OP_neg");
1178 break;
1179 case DW_OP_not:
1180 printf ("DW_OP_not");
1181 break;
1182 case DW_OP_or:
1183 printf ("DW_OP_or");
1184 break;
1185 case DW_OP_plus:
1186 printf ("DW_OP_plus");
1187 break;
1188 case DW_OP_plus_uconst:
467c65bc 1189 printf ("DW_OP_plus_uconst: %s",
f6f0e17b 1190 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
19e6b90e
L		 1191 data += bytes_read;
1192 break;
1193 case DW_OP_shl:
1194 printf ("DW_OP_shl");
1195 break;
1196 case DW_OP_shr:
1197 printf ("DW_OP_shr");
1198 break;
1199 case DW_OP_shra:
1200 printf ("DW_OP_shra");
1201 break;
1202 case DW_OP_xor:
1203 printf ("DW_OP_xor");
1204 break;
1205 case DW_OP_bra:
0c588247
NC		 1206 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1207 printf ("DW_OP_bra: %ld", (long) svalue);
19e6b90e
L		 1208 break;
1209 case DW_OP_eq:
1210 printf ("DW_OP_eq");
1211 break;
1212 case DW_OP_ge:
1213 printf ("DW_OP_ge");
1214 break;
1215 case DW_OP_gt:
1216 printf ("DW_OP_gt");
1217 break;
1218 case DW_OP_le:
1219 printf ("DW_OP_le");
1220 break;
1221 case DW_OP_lt:
1222 printf ("DW_OP_lt");
1223 break;
1224 case DW_OP_ne:
1225 printf ("DW_OP_ne");
1226 break;
1227 case DW_OP_skip:
0c588247
NC		 1228 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
1229 printf ("DW_OP_skip: %ld", (long) svalue);
19e6b90e
L		 1230 break;
1231
1232 case DW_OP_lit0:
1233 case DW_OP_lit1:
1234 case DW_OP_lit2:
1235 case DW_OP_lit3:
1236 case DW_OP_lit4:
1237 case DW_OP_lit5:
1238 case DW_OP_lit6:
1239 case DW_OP_lit7:
1240 case DW_OP_lit8:
1241 case DW_OP_lit9:
1242 case DW_OP_lit10:
1243 case DW_OP_lit11:
1244 case DW_OP_lit12:
1245 case DW_OP_lit13:
1246 case DW_OP_lit14:
1247 case DW_OP_lit15:
1248 case DW_OP_lit16:
1249 case DW_OP_lit17:
1250 case DW_OP_lit18:
1251 case DW_OP_lit19:
1252 case DW_OP_lit20:
1253 case DW_OP_lit21:
1254 case DW_OP_lit22:
1255 case DW_OP_lit23:
1256 case DW_OP_lit24:
1257 case DW_OP_lit25:
1258 case DW_OP_lit26:
1259 case DW_OP_lit27:
1260 case DW_OP_lit28:
1261 case DW_OP_lit29:
1262 case DW_OP_lit30:
1263 case DW_OP_lit31:
1264 printf ("DW_OP_lit%d", op - DW_OP_lit0);
1265 break;
1266
1267 case DW_OP_reg0:
1268 case DW_OP_reg1:
1269 case DW_OP_reg2:
1270 case DW_OP_reg3:
1271 case DW_OP_reg4:
1272 case DW_OP_reg5:
1273 case DW_OP_reg6:
1274 case DW_OP_reg7:
1275 case DW_OP_reg8:
1276 case DW_OP_reg9:
1277 case DW_OP_reg10:
1278 case DW_OP_reg11:
1279 case DW_OP_reg12:
1280 case DW_OP_reg13:
1281 case DW_OP_reg14:
1282 case DW_OP_reg15:
1283 case DW_OP_reg16:
1284 case DW_OP_reg17:
1285 case DW_OP_reg18:
1286 case DW_OP_reg19:
1287 case DW_OP_reg20:
1288 case DW_OP_reg21:
1289 case DW_OP_reg22:
1290 case DW_OP_reg23:
1291 case DW_OP_reg24:
1292 case DW_OP_reg25:
1293 case DW_OP_reg26:
1294 case DW_OP_reg27:
1295 case DW_OP_reg28:
1296 case DW_OP_reg29:
1297 case DW_OP_reg30:
1298 case DW_OP_reg31:
18464d4d
JK		 1299 printf ("DW_OP_reg%d (%s)", op - DW_OP_reg0,
1300 regname (op - DW_OP_reg0, 1));
19e6b90e
L		 1301 break;
1302
1303 case DW_OP_breg0:
1304 case DW_OP_breg1:
1305 case DW_OP_breg2:
1306 case DW_OP_breg3:
1307 case DW_OP_breg4:
1308 case DW_OP_breg5:
1309 case DW_OP_breg6:
1310 case DW_OP_breg7:
1311 case DW_OP_breg8:
1312 case DW_OP_breg9:
1313 case DW_OP_breg10:
1314 case DW_OP_breg11:
1315 case DW_OP_breg12:
1316 case DW_OP_breg13:
1317 case DW_OP_breg14:
1318 case DW_OP_breg15:
1319 case DW_OP_breg16:
1320 case DW_OP_breg17:
1321 case DW_OP_breg18:
1322 case DW_OP_breg19:
1323 case DW_OP_breg20:
1324 case DW_OP_breg21:
1325 case DW_OP_breg22:
1326 case DW_OP_breg23:
1327 case DW_OP_breg24:
1328 case DW_OP_breg25:
1329 case DW_OP_breg26:
1330 case DW_OP_breg27:
1331 case DW_OP_breg28:
1332 case DW_OP_breg29:
1333 case DW_OP_breg30:
1334 case DW_OP_breg31:
467c65bc 1335 printf ("DW_OP_breg%d (%s): %s",
47704ddf 1336 op - DW_OP_breg0,
18464d4d 1337 regname (op - DW_OP_breg0, 1),
f6f0e17b 1338 dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
19e6b90e
L		 1339 data += bytes_read;
1340 break;
1341
1342 case DW_OP_regx:
f6f0e17b 1343 uvalue = read_uleb128 (data, &bytes_read, end);
19e6b90e 1344 data += bytes_read;
467c65bc
NC		 1345 printf ("DW_OP_regx: %s (%s)",
1346 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
19e6b90e
L		 1347 break;
1348 case DW_OP_fbreg:
1349 need_frame_base = 1;
467c65bc 1350 printf ("DW_OP_fbreg: %s",
f6f0e17b 1351 dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
19e6b90e
L		 1352 data += bytes_read;
1353 break;
1354 case DW_OP_bregx:
f6f0e17b 1355 uvalue = read_uleb128 (data, &bytes_read, end);
19e6b90e 1356 data += bytes_read;
467c65bc
NC		 1357 printf ("DW_OP_bregx: %s (%s) %s",
1358 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1),
f6f0e17b 1359 dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end)));
19e6b90e
L		 1360 data += bytes_read;
1361 break;
1362 case DW_OP_piece:
467c65bc 1363 printf ("DW_OP_piece: %s",
f6f0e17b 1364 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
19e6b90e
L		 1365 data += bytes_read;
1366 break;
1367 case DW_OP_deref_size:
0c588247
NC		 1368 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1369 printf ("DW_OP_deref_size: %ld", (long) uvalue);
19e6b90e
L		 1370 break;
1371 case DW_OP_xderef_size:
0c588247
NC		 1372 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
1373 printf ("DW_OP_xderef_size: %ld", (long) uvalue);
19e6b90e
L		 1374 break;
1375 case DW_OP_nop:
1376 printf ("DW_OP_nop");
1377 break;
1378
1379 /* DWARF 3 extensions. */
1380 case DW_OP_push_object_address:
1381 printf ("DW_OP_push_object_address");
1382 break;
1383 case DW_OP_call2:
d85bf2ba 1384 /* FIXME: Strictly speaking for 64-bit DWARF3 files
19e6b90e 1385 this ought to be an 8-byte wide computation. */
0c588247 1386 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end);
467c65bc 1387 printf ("DW_OP_call2: <0x%s>",
0c588247 1388 dwarf_vmatoa ("x", svalue + cu_offset));
19e6b90e
L		 1389 break;
1390 case DW_OP_call4:
d85bf2ba 1391 /* FIXME: Strictly speaking for 64-bit DWARF3 files
19e6b90e 1392 this ought to be an 8-byte wide computation. */
0c588247 1393 SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end);
467c65bc 1394 printf ("DW_OP_call4: <0x%s>",
0c588247 1395 dwarf_vmatoa ("x", svalue + cu_offset));
19e6b90e
L		 1396 break;
1397 case DW_OP_call_ref:
d85bf2ba 1398 /* FIXME: Strictly speaking for 64-bit DWARF3 files
e2a0d921 1399 this ought to be an 8-byte wide computation. */
b7807392
JJ		 1400 if (dwarf_version == -1)
1401 {
1402 printf (_("(DW_OP_call_ref in frame info)"));
1403 /* No way to tell where the next op is, so just bail. */
1404 return need_frame_base;
1405 }
1406 if (dwarf_version == 2)
1407 {
0c588247 1408 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
b7807392
JJ		 1409 }
1410 else
1411 {
0c588247 1412 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
b7807392 1413 }
0c588247 1414 printf ("DW_OP_call_ref: <0x%s>", dwarf_vmatoa ("x", uvalue));
19e6b90e 1415 break;
a87b0a59
NS		 1416 case DW_OP_form_tls_address:
1417 printf ("DW_OP_form_tls_address");
1418 break;
e2a0d921
NC		 1419 case DW_OP_call_frame_cfa:
1420 printf ("DW_OP_call_frame_cfa");
1421 break;
1422 case DW_OP_bit_piece:
1423 printf ("DW_OP_bit_piece: ");
9cf03b7e 1424 printf (_("size: %s "),
f6f0e17b 1425 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
e2a0d921 1426 data += bytes_read;
9cf03b7e 1427 printf (_("offset: %s "),
f6f0e17b 1428 dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end)));
e2a0d921
NC		 1429 data += bytes_read;
1430 break;
19e6b90e 1431
3244e8f5
JJ		 1432 /* DWARF 4 extensions. */
1433 case DW_OP_stack_value:
1434 printf ("DW_OP_stack_value");
1435 break;
1436
1437 case DW_OP_implicit_value:
1438 printf ("DW_OP_implicit_value");
f6f0e17b 1439 uvalue = read_uleb128 (data, &bytes_read, end);
3244e8f5 1440 data += bytes_read;
ef0b5f1c 1441 data = display_block (data, uvalue, end, ' ');
3244e8f5
JJ		 1442 break;
1443
19e6b90e
L		 1444 /* GNU extensions. */
1445 case DW_OP_GNU_push_tls_address:
9cf03b7e 1446 printf (_("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown"));
e2a0d921
NC		 1447 break;
1448 case DW_OP_GNU_uninit:
1449 printf ("DW_OP_GNU_uninit");
1450 /* FIXME: Is there data associated with this OP ? */
1451 break;
f1c4cc75
RH		 1452 case DW_OP_GNU_encoded_addr:
1453 {
6937bb54 1454 int encoding = 0;
f1c4cc75 1455 dwarf_vma addr;
467c65bc 1456
6937bb54
NC		 1457 if (data < end)
1458 encoding = *data++;
041830e0 1459 addr = get_encoded_value (&data, encoding, section, end);
f1c4cc75
RH		 1460
1461 printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding);
1462 print_dwarf_vma (addr, pointer_size);
1463 }
1464 break;
bc0a77d2 1465 case DW_OP_implicit_pointer:
b7807392 1466 case DW_OP_GNU_implicit_pointer:
d85bf2ba 1467 /* FIXME: Strictly speaking for 64-bit DWARF3 files
b7807392
JJ		 1468 this ought to be an 8-byte wide computation. */
1469 if (dwarf_version == -1)
1470 {
bc0a77d2
JK		 1471 printf (_("(%s in frame info)"),
1472 (op == DW_OP_implicit_pointer
1473 ? "DW_OP_implicit_pointer"
1474 : "DW_OP_GNU_implicit_pointer"));
b7807392
JJ		 1475 /* No way to tell where the next op is, so just bail. */
1476 return need_frame_base;
1477 }
1478 if (dwarf_version == 2)
1479 {
0c588247 1480 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
b7807392
JJ		 1481 }
1482 else
1483 {
0c588247 1484 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
b7807392 1485 }
bc0a77d2
JK		 1486 printf ("%s: <0x%s> %s",
1487 (op == DW_OP_implicit_pointer
1488 ? "DW_OP_implicit_pointer" : "DW_OP_GNU_implicit_pointer"),
0c588247
NC		 1489 dwarf_vmatoa ("x", uvalue),
1490 dwarf_vmatoa ("d", read_sleb128 (data,
1491 &bytes_read, end)));
1492 data += bytes_read;
b7807392 1493 break;
77145576 1494 case DW_OP_entry_value:
0892011d 1495 case DW_OP_GNU_entry_value:
f6f0e17b 1496 uvalue = read_uleb128 (data, &bytes_read, end);
0892011d 1497 data += bytes_read;
058037d3
NC		 1498 /* PR 17531: file: 0cc9cd00. */
1499 if (uvalue > (dwarf_vma) (end - data))
1500 uvalue = end - data;
77145576
JK		 1501 printf ("%s: (", (op == DW_OP_entry_value ? "DW_OP_entry_value"
1502 : "DW_OP_GNU_entry_value"));
0892011d
JJ		 1503 if (decode_location_expression (data, pointer_size, offset_size,
1504 dwarf_version, uvalue,
1505 cu_offset, section))
1506 need_frame_base = 1;
1507 putchar (')');
1508 data += uvalue;
6937bb54
NC		 1509 if (data > end)
1510 data = end;
0892011d 1511 break;
bc0a77d2 1512 case DW_OP_const_type:
0892011d 1513 case DW_OP_GNU_const_type:
f6f0e17b 1514 uvalue = read_uleb128 (data, &bytes_read, end);
0892011d 1515 data += bytes_read;
bc0a77d2
JK		 1516 printf ("%s: <0x%s> ",
1517 (op == DW_OP_const_type ? "DW_OP_const_type"
1518 : "DW_OP_GNU_const_type"),
0892011d 1519 dwarf_vmatoa ("x", cu_offset + uvalue));
0c588247 1520 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
ef0b5f1c 1521 data = display_block (data, uvalue, end, ' ');
0892011d 1522 break;
bc0a77d2 1523 case DW_OP_regval_type:
0892011d 1524 case DW_OP_GNU_regval_type:
f6f0e17b 1525 uvalue = read_uleb128 (data, &bytes_read, end);
0892011d 1526 data += bytes_read;
bc0a77d2
JK		 1527 printf ("%s: %s (%s)",
1528 (op == DW_OP_regval_type ? "DW_OP_regval_type"
1529 : "DW_OP_GNU_regval_type"),
0892011d 1530 dwarf_vmatoa ("u", uvalue), regname (uvalue, 1));
f6f0e17b 1531 uvalue = read_uleb128 (data, &bytes_read, end);
0892011d
JJ		 1532 data += bytes_read;
1533 printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
1534 break;
bc0a77d2 1535 case DW_OP_deref_type:
0892011d 1536 case DW_OP_GNU_deref_type:
0c588247 1537 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
bc0a77d2
JK		 1538 printf ("%s: %ld",
1539 (op == DW_OP_deref_type ? "DW_OP_deref_type"
1540 : "DW_OP_GNU_deref_type"),
1541 (long) uvalue);
f6f0e17b 1542 uvalue = read_uleb128 (data, &bytes_read, end);
0892011d
JJ		 1543 data += bytes_read;
1544 printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue));
1545 break;
bc0a77d2 1546 case DW_OP_convert:
0892011d 1547 case DW_OP_GNU_convert:
f6f0e17b 1548 uvalue = read_uleb128 (data, &bytes_read, end);
0892011d 1549 data += bytes_read;
bc0a77d2
JK		 1550 printf ("%s <0x%s>",
1551 (op == DW_OP_convert ? "DW_OP_convert" : "DW_OP_GNU_convert"),
f8b999f9 1552 dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
0892011d 1553 break;
bc0a77d2 1554 case DW_OP_reinterpret:
0892011d 1555 case DW_OP_GNU_reinterpret:
f6f0e17b 1556 uvalue = read_uleb128 (data, &bytes_read, end);
0892011d 1557 data += bytes_read;
bc0a77d2
JK		 1558 printf ("%s <0x%s>",
1559 (op == DW_OP_reinterpret ? "DW_OP_reinterpret"
1560 : "DW_OP_GNU_reinterpret"),
f8b999f9
JJ		 1561 dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0));
1562 break;
1563 case DW_OP_GNU_parameter_ref:
0c588247 1564 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
f8b999f9 1565 printf ("DW_OP_GNU_parameter_ref: <0x%s>",
0c588247 1566 dwarf_vmatoa ("x", cu_offset + uvalue));
0892011d 1567 break;
b4eb7656
AM		 1568 case DW_OP_GNU_addr_index:
1569 uvalue = read_uleb128 (data, &bytes_read, end);
1570 data += bytes_read;
1571 printf ("DW_OP_GNU_addr_index <0x%s>", dwarf_vmatoa ("x", uvalue));
1572 break;
1573 case DW_OP_GNU_const_index:
1574 uvalue = read_uleb128 (data, &bytes_read, end);
1575 data += bytes_read;
1576 printf ("DW_OP_GNU_const_index <0x%s>", dwarf_vmatoa ("x", uvalue));
1577 break;
f384a1f0
KB		 1578 case DW_OP_GNU_variable_value:
1579 /* FIXME: Strictly speaking for 64-bit DWARF3 files
1580 this ought to be an 8-byte wide computation. */
1581 if (dwarf_version == -1)
1582 {
1583 printf (_("(DW_OP_GNU_variable_value in frame info)"));
1584 /* No way to tell where the next op is, so just bail. */
1585 return need_frame_base;
1586 }
1587 if (dwarf_version == 2)
1588 {
1589 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
1590 }
1591 else
1592 {
1593 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
1594 }
1595 printf ("DW_OP_GNU_variable_value: <0x%s>", dwarf_vmatoa ("x", uvalue));
1596 break;
e2a0d921
NC		 1597
1598 /* HP extensions. */
1599 case DW_OP_HP_is_value:
1600 printf ("DW_OP_HP_is_value");
1601 /* FIXME: Is there data associated with this OP ? */
1602 break;
1603 case DW_OP_HP_fltconst4:
1604 printf ("DW_OP_HP_fltconst4");
1605 /* FIXME: Is there data associated with this OP ? */
1606 break;
1607 case DW_OP_HP_fltconst8:
1608 printf ("DW_OP_HP_fltconst8");
1609 /* FIXME: Is there data associated with this OP ? */
1610 break;
1611 case DW_OP_HP_mod_range:
1612 printf ("DW_OP_HP_mod_range");
1613 /* FIXME: Is there data associated with this OP ? */
1614 break;
1615 case DW_OP_HP_unmod_range:
1616 printf ("DW_OP_HP_unmod_range");
1617 /* FIXME: Is there data associated with this OP ? */
1618 break;
1619 case DW_OP_HP_tls:
1620 printf ("DW_OP_HP_tls");
1621 /* FIXME: Is there data associated with this OP ? */
19e6b90e
L		 1622 break;
1623
35d60fe4
NC		 1624 /* PGI (STMicroelectronics) extensions. */
1625 case DW_OP_PGI_omp_thread_num:
1626 /* Pushes the thread number for the current thread as it would be
1627 returned by the standard OpenMP library function:
1628 omp_get_thread_num(). The "current thread" is the thread for
1629 which the expression is being evaluated. */
1630 printf ("DW_OP_PGI_omp_thread_num");
1631 break;
1632
19e6b90e
L		 1633 default:
1634 if (op >= DW_OP_lo_user
1635 && op <= DW_OP_hi_user)
0502a2b4 1636 printf (_("(User defined location op 0x%x)"), op);
19e6b90e 1637 else
0502a2b4 1638 printf (_("(Unknown location op 0x%x)"), op);
19e6b90e
L		 1639 /* No way to tell where the next op is, so just bail. */
1640 return need_frame_base;
1641 }
1642
1643 /* Separate the ops. */
1644 if (data < end)
1645 printf ("; ");
1646 }
1647
1648 return need_frame_base;
1649}
1650
341f9135
CC		 1651/* Find the CU or TU set corresponding to the given CU_OFFSET.
1652 This is used for DWARF package files. */
1653
1654static struct cu_tu_set *
1655find_cu_tu_set_v2 (dwarf_vma cu_offset, int do_types)
1656{
1657 struct cu_tu_set *p;
1658 unsigned int nsets;
1659 unsigned int dw_sect;
1660
1661 if (do_types)
1662 {
1663 p = tu_sets;
1664 nsets = tu_count;
1665 dw_sect = DW_SECT_TYPES;
1666 }
1667 else
1668 {
1669 p = cu_sets;
1670 nsets = cu_count;
1671 dw_sect = DW_SECT_INFO;
1672 }
1673 while (nsets > 0)
1674 {
1675 if (p->section_offsets [dw_sect] == cu_offset)
1676 return p;
1677 p++;
1678 nsets--;
1679 }
1680 return NULL;
1681}
1682
a69c4772
NC		 1683/* Add INC to HIGH_BITS:LOW_BITS. */
1684static void
1685add64 (dwarf_vma * high_bits, dwarf_vma * low_bits, dwarf_vma inc)
1686{
1687 dwarf_vma tmp = * low_bits;
1688
1689 tmp += inc;
1690
1691 /* FIXME: There is probably a better way of handling this:
1692
1693 We need to cope with dwarf_vma being a 32-bit or 64-bit
1694 type. Plus regardless of its size LOW_BITS is meant to
1695 only hold 32-bits, so if there is overflow or wrap around
1696 we must propagate into HIGH_BITS. */
1697 if (tmp < * low_bits)
1698 {
1699 ++ * high_bits;
1700 }
1701 else if (sizeof (tmp) > 8
1702 && (tmp >> 31) > 1)
1703 {
1704 ++ * high_bits;
1705 tmp &= 0xFFFFFFFF;
1706 }
1707
1708 * low_bits = tmp;
1709}
1710
dda8d76d
NC		 1711static const char *
1712fetch_alt_indirect_string (dwarf_vma offset)
1713{
1714 struct dwarf_section * section;
1715 const char * ret;
1716
1717 if (! do_follow_links)
1718 return "";
1719
1720 if (separate_debug_file == NULL)
1721 return _("<following link not possible>");
1722
1723 if (! load_debug_section (separate_debug_str, separate_debug_file))
1724 return _("<could not load separate string section>");
1725
1726 section = &debug_displays [separate_debug_str].section;
1727 if (section->start == NULL)
1728 return _("<no .debug_str section>");
1729
1730 if (offset >= section->size)
1731 {
1732 warn (_("DW_FORM_GNU_strp_alt offset too big: %s\n"), dwarf_vmatoa ("x", offset));
1733 return _("<offset is too big>");
1734 }
1735
1736 ret = (const char *) (section->start + offset);
1737 /* Unfortunately we cannot rely upon the .debug_str section ending with a
1738 NUL byte. Since our caller is expecting to receive a well formed C
1739 string we test for the lack of a terminating byte here. */
1740 if (strnlen ((const char *) ret, section->size - offset)
1741 == section->size - offset)
1742 return _("<no NUL byte at end of .debug_str section>");
1743
1744 return ret;
1745}
1746
d85bf2ba
NC		 1747static const char *
1748get_AT_name (unsigned long attribute)
1749{
1750 const char *name;
1751
1752 if (attribute == 0)
1753 return "DW_AT value: 0";
1754
1755 /* One value is shared by the MIPS and HP extensions: */
1756 if (attribute == DW_AT_MIPS_fde)
1757 return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable";
1758
1759 name = get_DW_AT_name (attribute);
1760
1761 if (name == NULL)
1762 {
1763 static char buffer[100];
1764
1765 snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"),
1766 attribute);
1767 return buffer;
1768 }
1769
1770 return name;
1771}
1772
19e6b90e 1773static unsigned char *
dda8d76d
NC		 1774read_and_display_attr_value (unsigned long attribute,
1775 unsigned long form,
1776 dwarf_signed_vma implicit_const,
1777 unsigned char * data,
1778 unsigned char * end,
1779 dwarf_vma cu_offset,
1780 dwarf_vma pointer_size,
1781 dwarf_vma offset_size,
1782 int dwarf_version,
1783 debug_info * debug_info_p,
1784 int do_loc,
1785 struct dwarf_section * section,
1786 struct cu_tu_set * this_set,
1787 char delimiter)
19e6b90e 1788{
467c65bc 1789 dwarf_vma uvalue = 0;
19e6b90e 1790 unsigned char *block_start = NULL;
6e3d6dc1 1791 unsigned char * orig_data = data;
19e6b90e
L		 1792 unsigned int bytes_read;
1793
f41e4712 1794 if (data > end || (data == end && form != DW_FORM_flag_present))
0c588247 1795 {
f41e4712 1796 warn (_("Corrupt attribute\n"));
0c588247
NC		 1797 return data;
1798 }
1799
19e6b90e
L		 1800 switch (form)
1801 {
1802 default:
1803 break;
1804
1805 case DW_FORM_ref_addr:
1806 if (dwarf_version == 2)
0c588247 1807 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
932fd279 1808 else if (dwarf_version == 3 || dwarf_version == 4)
0c588247 1809 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
19e6b90e 1810 else
467c65bc
NC		 1811 error (_("Internal error: DWARF version is not 2, 3 or 4.\n"));
1812
19e6b90e
L		 1813 break;
1814
1815 case DW_FORM_addr:
0c588247 1816 SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end);
19e6b90e
L		 1817 break;
1818
1819 case DW_FORM_strp:
77145576 1820 case DW_FORM_line_strp:
932fd279 1821 case DW_FORM_sec_offset:
a081f3cd
JJ		 1822 case DW_FORM_GNU_ref_alt:
1823 case DW_FORM_GNU_strp_alt:
0c588247 1824 SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end);
19e6b90e
L		 1825 break;
1826
932fd279
JJ		 1827 case DW_FORM_flag_present:
1828 uvalue = 1;
1829 break;
1830
19e6b90e
L		 1831 case DW_FORM_ref1:
1832 case DW_FORM_flag:
1833 case DW_FORM_data1:
0c588247 1834 SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end);
19e6b90e
L		 1835 break;
1836
1837 case DW_FORM_ref2:
1838 case DW_FORM_data2:
0c588247 1839 SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end);
19e6b90e
L		 1840 break;
1841
1842 case DW_FORM_ref4:
1843 case DW_FORM_data4:
0c588247 1844 SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end);
19e6b90e
L		 1845 break;
1846
1847 case DW_FORM_sdata:
f6f0e17b 1848 uvalue = read_sleb128 (data, & bytes_read, end);
19e6b90e
L		 1849 data += bytes_read;
1850 break;
1851
4723351a 1852 case DW_FORM_GNU_str_index:
f6f0e17b 1853 uvalue = read_uleb128 (data, & bytes_read, end);
4723351a
CC		 1854 data += bytes_read;
1855 break;
1856
19e6b90e
L		 1857 case DW_FORM_ref_udata:
1858 case DW_FORM_udata:
f6f0e17b 1859 uvalue = read_uleb128 (data, & bytes_read, end);
19e6b90e
L		 1860 data += bytes_read;
1861 break;
1862
1863 case DW_FORM_indirect:
f6f0e17b 1864 form = read_uleb128 (data, & bytes_read, end);
19e6b90e
L		 1865 data += bytes_read;
1866 if (!do_loc)
ef0b5f1c 1867 printf ("%c%s", delimiter, get_FORM_name (form));
77145576
JK		 1868 if (form == DW_FORM_implicit_const)
1869 {
1870 implicit_const = read_sleb128 (data, & bytes_read, end);
1871 data += bytes_read;
1872 }
1873 return read_and_display_attr_value (attribute, form, implicit_const, data,
1874 end, cu_offset, pointer_size,
19e6b90e 1875 offset_size, dwarf_version,
ec4d4525 1876 debug_info_p, do_loc,
ef0b5f1c 1877 section, this_set, delimiter);
4723351a 1878 case DW_FORM_GNU_addr_index:
f6f0e17b 1879 uvalue = read_uleb128 (data, & bytes_read, end);
4723351a
CC		 1880 data += bytes_read;
1881 break;
19e6b90e
L		 1882 }
1883
1884 switch (form)
1885 {
1886 case DW_FORM_ref_addr:
1887 if (!do_loc)
ef0b5f1c 1888 printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x",uvalue));
19e6b90e
L		 1889 break;
1890
a081f3cd
JJ		 1891 case DW_FORM_GNU_ref_alt:
1892 if (!do_loc)
ef0b5f1c 1893 printf ("%c<alt 0x%s>", delimiter, dwarf_vmatoa ("x",uvalue));
dda8d76d 1894 /* FIXME: Follow the reference... */
a081f3cd
JJ		 1895 break;
1896
19e6b90e
L		 1897 case DW_FORM_ref1:
1898 case DW_FORM_ref2:
1899 case DW_FORM_ref4:
1900 case DW_FORM_ref_udata:
1901 if (!do_loc)
ef0b5f1c 1902 printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue + cu_offset));
19e6b90e
L		 1903 break;
1904
1905 case DW_FORM_data4:
1906 case DW_FORM_addr:
932fd279 1907 case DW_FORM_sec_offset:
19e6b90e 1908 if (!do_loc)
ef0b5f1c 1909 printf ("%c0x%s", delimiter, dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 1910 break;
1911
932fd279 1912 case DW_FORM_flag_present:
19e6b90e
L		 1913 case DW_FORM_flag:
1914 case DW_FORM_data1:
1915 case DW_FORM_data2:
1916 case DW_FORM_sdata:
1917 case DW_FORM_udata:
1918 if (!do_loc)
ef0b5f1c 1919 printf ("%c%s", delimiter, dwarf_vmatoa ("d", uvalue));
19e6b90e
L		 1920 break;
1921
77145576
JK		 1922 case DW_FORM_implicit_const:
1923 if (!do_loc)
1924 printf ("%c%s", delimiter, dwarf_vmatoa ("d", implicit_const));
1925 break;
1926
19e6b90e
L		 1927 case DW_FORM_ref8:
1928 case DW_FORM_data8:
2bc8690c 1929 if (!do_loc)
19e6b90e 1930 {
74bc6052 1931 dwarf_vma high_bits;
a69c4772 1932 dwarf_vma utmp;
74bc6052
CC		 1933 char buf[64];
1934
0c588247 1935 SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end);
a69c4772
NC		 1936 utmp = uvalue;
1937 if (form == DW_FORM_ref8)
1938 add64 (& high_bits, & utmp, cu_offset);
ef0b5f1c 1939 printf ("%c0x%s", delimiter,
a69c4772 1940 dwarf_vmatoa64 (high_bits, utmp, buf, sizeof (buf)));
19e6b90e 1941 }
0c588247 1942
19e6b90e
L		 1943 if ((do_loc || do_debug_loc || do_debug_ranges)
1944 && num_debug_info_entries == 0)
1945 {
1946 if (sizeof (uvalue) == 8)
0c588247 1947 SAFE_BYTE_GET (uvalue, data, 8, end);
19e6b90e 1948 else
467c65bc 1949 error (_("DW_FORM_data8 is unsupported when sizeof (dwarf_vma) != 8\n"));
19e6b90e 1950 }
0c588247 1951
19e6b90e
L		 1952 data += 8;
1953 break;
1954
2f6cd591
JK		 1955 case DW_FORM_data16:
1956 if (!do_loc)
1957 {
1958 dwarf_vma left_high_bits, left_low_bits;
1959 dwarf_vma right_high_bits, right_low_bits;
1960
1961 SAFE_BYTE_GET64 (data, &left_high_bits, &left_low_bits, end);
1962 SAFE_BYTE_GET64 (data + 8, &right_high_bits, &right_low_bits, end);
1963 if (byte_get == byte_get_little_endian)
1964 {
1965 /* Swap them. */
1966 left_high_bits ^= right_high_bits;
1967 right_high_bits ^= left_high_bits;
1968 left_high_bits ^= right_high_bits;
1969 left_low_bits ^= right_low_bits;
1970 right_low_bits ^= left_low_bits;
1971 left_low_bits ^= right_low_bits;
1972 }
1973 printf (" 0x%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x"
1974 "%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x",
1975 left_high_bits, left_low_bits, right_high_bits,
1976 right_low_bits);
1977 }
1978 data += 16;
1979 break;
1980
19e6b90e
L		 1981 case DW_FORM_string:
1982 if (!do_loc)
ef0b5f1c 1983 printf ("%c%.*s", delimiter, (int) (end - data), data);
0c588247 1984 data += strnlen ((char *) data, end - data) + 1;
19e6b90e
L		 1985 break;
1986
1987 case DW_FORM_block:
932fd279 1988 case DW_FORM_exprloc:
f6f0e17b 1989 uvalue = read_uleb128 (data, & bytes_read, end);
19e6b90e 1990 block_start = data + bytes_read;
a1165289
NC		 1991 if (block_start >= end)
1992 {
1993 warn (_("Block ends prematurely\n"));
1994 uvalue = 0;
1995 block_start = end;
1996 }
f3853b34
NC		 1997 /* FIXME: Testing "(block_start + uvalue) < block_start" miscompiles with
1998 gcc 4.8.3 running on an x86_64 host in 32-bit mode. So we pre-compute
1999 block_start + uvalue here. */
2000 data = block_start + uvalue;
f41e4712 2001 /* PR 17512: file: 008-103549-0.001:0.1. */
f3853b34 2002 if (block_start + uvalue > end || data < block_start)
f41e4712
NC		 2003 {
2004 warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
2005 uvalue = end - block_start;
2006 }
19e6b90e
L		 2007 if (do_loc)
2008 data = block_start + uvalue;
2009 else
ef0b5f1c 2010 data = display_block (block_start, uvalue, end, delimiter);
19e6b90e
L		 2011 break;
2012
2013 case DW_FORM_block1:
0c588247 2014 SAFE_BYTE_GET (uvalue, data, 1, end);
19e6b90e 2015 block_start = data + 1;
a1165289
NC		 2016 if (block_start >= end)
2017 {
2018 warn (_("Block ends prematurely\n"));
2019 uvalue = 0;
2020 block_start = end;
2021 }
f3853b34
NC		 2022 data = block_start + uvalue;
2023 if (block_start + uvalue > end || data < block_start)
f41e4712
NC		 2024 {
2025 warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
2026 uvalue = end - block_start;
2027 }
19e6b90e
L		 2028 if (do_loc)
2029 data = block_start + uvalue;
2030 else
ef0b5f1c 2031 data = display_block (block_start, uvalue, end, delimiter);
19e6b90e
L		 2032 break;
2033
2034 case DW_FORM_block2:
0c588247 2035 SAFE_BYTE_GET (uvalue, data, 2, end);
19e6b90e 2036 block_start = data + 2;
a1165289
NC		 2037 if (block_start >= end)
2038 {
2039 warn (_("Block ends prematurely\n"));
2040 uvalue = 0;
2041 block_start = end;
2042 }
f3853b34
NC		 2043 data = block_start + uvalue;
2044 if (block_start + uvalue > end || data < block_start)
f41e4712
NC		 2045 {
2046 warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
2047 uvalue = end - block_start;
2048 }
19e6b90e
L		 2049 if (do_loc)
2050 data = block_start + uvalue;
2051 else
ef0b5f1c 2052 data = display_block (block_start, uvalue, end, delimiter);
19e6b90e
L		 2053 break;
2054
2055 case DW_FORM_block4:
0c588247 2056 SAFE_BYTE_GET (uvalue, data, 4, end);
19e6b90e 2057 block_start = data + 4;
a1165289
NC		 2058 /* PR 17512: file: 3371-3907-0.004. */
2059 if (block_start >= end)
2060 {
2061 warn (_("Block ends prematurely\n"));
2062 uvalue = 0;
2063 block_start = end;
2064 }
f3853b34
NC		 2065 data = block_start + uvalue;
2066 if (block_start + uvalue > end
b4eb7656 2067 /* PR 17531: file: 5b5f0592. */
f3853b34 2068 || data < block_start)
f41e4712
NC		 2069 {
2070 warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue);
2071 uvalue = end - block_start;
2072 }
19e6b90e
L		 2073 if (do_loc)
2074 data = block_start + uvalue;
2075 else
ef0b5f1c 2076 data = display_block (block_start, uvalue, end, delimiter);
19e6b90e
L		 2077 break;
2078
2079 case DW_FORM_strp:
2080 if (!do_loc)
ef0b5f1c 2081 printf (_("%c(indirect string, offset: 0x%s): %s"), delimiter,
47704ddf
KT		 2082 dwarf_vmatoa ("x", uvalue),
2083 fetch_indirect_string (uvalue));
19e6b90e
L		 2084 break;
2085
77145576
JK		 2086 case DW_FORM_line_strp:
2087 if (!do_loc)
2088 printf (_("%c(indirect line string, offset: 0x%s): %s"), delimiter,
2089 dwarf_vmatoa ("x", uvalue),
2090 fetch_indirect_line_string (uvalue));
2091 break;
2092
4723351a
CC		 2093 case DW_FORM_GNU_str_index:
2094 if (!do_loc)
b4eb7656 2095 {
d85bf2ba
NC		 2096 const char * suffix = strrchr (section->name, '.');
2097 bfd_boolean dwo = (suffix && strcmp (suffix, ".dwo") == 0) ? TRUE : FALSE;
b4eb7656 2098
ef0b5f1c 2099 printf (_("%c(indexed string: 0x%s): %s"), delimiter,
b4eb7656
AM		 2100 dwarf_vmatoa ("x", uvalue),
2101 fetch_indexed_string (uvalue, this_set, offset_size, dwo));
2102 }
4723351a
CC		 2103 break;
2104
a081f3cd
JJ		 2105 case DW_FORM_GNU_strp_alt:
2106 if (!do_loc)
dda8d76d
NC		 2107 {
2108 printf (_("%c(alt indirect string, offset: 0x%s) %s"), delimiter,
2109 dwarf_vmatoa ("x", uvalue),
2110 fetch_alt_indirect_string (uvalue));
2111 }
a081f3cd
JJ		 2112 break;
2113
19e6b90e
L		 2114 case DW_FORM_indirect:
2115 /* Handled above. */
2116 break;
2117
2b6f5997
CC		 2118 case DW_FORM_ref_sig8:
2119 if (!do_loc)
2120 {
74bc6052
CC		 2121 dwarf_vma high_bits;
2122 char buf[64];
2123
0c588247 2124 SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end);
ef0b5f1c 2125 printf ("%csignature: 0x%s", delimiter,
74bc6052 2126 dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf)));
2b6f5997 2127 }
74bc6052 2128 data += 8;
2b6f5997
CC		 2129 break;
2130
4723351a
CC		 2131 case DW_FORM_GNU_addr_index:
2132 if (!do_loc)
ef0b5f1c 2133 printf (_("%c(addr_index: 0x%s): %s"), delimiter,
b4eb7656
AM		 2134 dwarf_vmatoa ("x", uvalue),
2135 fetch_indexed_value (uvalue * pointer_size, pointer_size));
4723351a
CC		 2136 break;
2137
19e6b90e
L		 2138 default:
2139 warn (_("Unrecognized form: %lu\n"), form);
2140 break;
2141 }
2142
19e6b90e 2143 if ((do_loc || do_debug_loc || do_debug_ranges)
fd2f0033
TT		 2144 && num_debug_info_entries == 0
2145 && debug_info_p != NULL)
19e6b90e
L		 2146 {
2147 switch (attribute)
2148 {
2149 case DW_AT_frame_base:
2150 have_frame_base = 1;
1a0670f3 2151 /* Fall through. */
19e6b90e 2152 case DW_AT_location:
9f272209 2153 case DW_AT_GNU_locviews:
e2a0d921
NC		 2154 case DW_AT_string_length:
2155 case DW_AT_return_addr:
19e6b90e
L		 2156 case DW_AT_data_member_location:
2157 case DW_AT_vtable_elem_location:
e2a0d921
NC		 2158 case DW_AT_segment:
2159 case DW_AT_static_link:
2160 case DW_AT_use_location:
bc0a77d2 2161 case DW_AT_call_value:
629e7ca8 2162 case DW_AT_GNU_call_site_value:
bc0a77d2 2163 case DW_AT_call_data_value:
629e7ca8 2164 case DW_AT_GNU_call_site_data_value:
bc0a77d2 2165 case DW_AT_call_target:
629e7ca8 2166 case DW_AT_GNU_call_site_target:
bc0a77d2 2167 case DW_AT_call_target_clobbered:
629e7ca8 2168 case DW_AT_GNU_call_site_target_clobbered:
b4eb7656 2169 if ((dwarf_version < 4
212b6063 2170 && (form == DW_FORM_data4 || form == DW_FORM_data8))
932fd279 2171 || form == DW_FORM_sec_offset)
19e6b90e
L		 2172 {
2173 /* Process location list. */
91d6fa6a 2174 unsigned int lmax = debug_info_p->max_loc_offsets;
19e6b90e
L		 2175 unsigned int num = debug_info_p->num_loc_offsets;
2176
91d6fa6a 2177 if (lmax == 0 || num >= lmax)
19e6b90e 2178 {
91d6fa6a 2179 lmax += 1024;
467c65bc 2180 debug_info_p->loc_offsets = (dwarf_vma *)
b4eb7656
AM		 2181 xcrealloc (debug_info_p->loc_offsets,
2182 lmax, sizeof (*debug_info_p->loc_offsets));
9f272209
AO		 2183 debug_info_p->loc_views = (dwarf_vma *)
2184 xcrealloc (debug_info_p->loc_views,
2185 lmax, sizeof (*debug_info_p->loc_views));
3f5e193b 2186 debug_info_p->have_frame_base = (int *)
b4eb7656
AM		 2187 xcrealloc (debug_info_p->have_frame_base,
2188 lmax, sizeof (*debug_info_p->have_frame_base));
91d6fa6a 2189 debug_info_p->max_loc_offsets = lmax;
19e6b90e 2190 }
341f9135 2191 if (this_set != NULL)
b4eb7656 2192 uvalue += this_set->section_offsets [DW_SECT_LOC];
19e6b90e 2193 debug_info_p->have_frame_base [num] = have_frame_base;
9f272209
AO		 2194 if (attribute != DW_AT_GNU_locviews)
2195 {
a7504f87
NC		 2196 /* Corrupt DWARF info can produce more offsets than views.
2197 See PR 23062 for an example. */
2198 if (debug_info_p->num_loc_offsets
2199 > debug_info_p->num_loc_views)
2200 warn (_("More location offset attributes than DW_AT_GNU_locview attributes\n"));
2201 else
2202 {
2203 debug_info_p->loc_offsets [num] = uvalue;
2204 debug_info_p->num_loc_offsets++;
2205 }
9f272209
AO		 2206 }
2207 else
2208 {
2209 assert (debug_info_p->num_loc_views <= num);
2210 num = debug_info_p->num_loc_views;
a7504f87
NC		 2211 if (num > debug_info_p->num_loc_offsets)
2212 warn (_("More DW_AT_GNU_locview attributes than location offset attributes\n"));
2213 else
2214 {
2215 debug_info_p->loc_views [num] = uvalue;
2216 debug_info_p->num_loc_views++;
2217 }
9f272209 2218 }
19e6b90e
L		 2219 }
2220 break;
e2a0d921 2221
19e6b90e
L		 2222 case DW_AT_low_pc:
2223 if (need_base_address)
2224 debug_info_p->base_address = uvalue;
2225 break;
2226
4723351a 2227 case DW_AT_GNU_addr_base:
b4eb7656 2228 debug_info_p->addr_base = uvalue;
4723351a
CC		 2229 break;
2230
2231 case DW_AT_GNU_ranges_base:
b4eb7656 2232 debug_info_p->ranges_base = uvalue;
4723351a
CC		 2233 break;
2234
19e6b90e 2235 case DW_AT_ranges:
b4eb7656 2236 if ((dwarf_version < 4
212b6063 2237 && (form == DW_FORM_data4 || form == DW_FORM_data8))
932fd279 2238 || form == DW_FORM_sec_offset)
19e6b90e
L		 2239 {
2240 /* Process range list. */
91d6fa6a 2241 unsigned int lmax = debug_info_p->max_range_lists;
19e6b90e
L		 2242 unsigned int num = debug_info_p->num_range_lists;
2243
91d6fa6a 2244 if (lmax == 0 || num >= lmax)
19e6b90e 2245 {
91d6fa6a 2246 lmax += 1024;
467c65bc 2247 debug_info_p->range_lists = (dwarf_vma *)
b4eb7656
AM		 2248 xcrealloc (debug_info_p->range_lists,
2249 lmax, sizeof (*debug_info_p->range_lists));
91d6fa6a 2250 debug_info_p->max_range_lists = lmax;
19e6b90e
L		 2251 }
2252 debug_info_p->range_lists [num] = uvalue;
2253 debug_info_p->num_range_lists++;
2254 }
2255 break;
2256
d85bf2ba
NC		 2257 case DW_AT_GNU_dwo_name:
2258 case DW_AT_dwo_name:
2259 if (need_dwo_info)
2260 switch (form)
2261 {
2262 case DW_FORM_strp:
2263 dwo_name = (const char *) fetch_indirect_string (uvalue);
2264 break;
2265 case DW_FORM_GNU_str_index:
2266 dwo_name = fetch_indexed_string (uvalue, this_set, offset_size, FALSE);
2267 break;
2268 case DW_FORM_string:
2269 dwo_name = (const char *) orig_data;
2270 break;
2271 default:
2272 warn (_("Unsupported form (%s) for attribute %s\n"),
2273 get_FORM_name (form), get_AT_name (attribute));
2274 dwo_name = _("<unknown>");
2275 break;
2276 }
2277 break;
2278
2279 case DW_AT_comp_dir:
2280 /* FIXME: Also extract a build-id in a CU/TU. */
2281 if (need_dwo_info)
2282 switch (form)
2283 {
2284 case DW_FORM_strp:
2285 dwo_dir = (const char *) fetch_indirect_string (uvalue);
2286 break;
2287 case DW_FORM_line_strp:
2288 dwo_dir = (const char *) fetch_indirect_line_string (uvalue);
2289 break;
2290 case DW_FORM_GNU_str_index:
2291 dwo_dir = fetch_indexed_string (uvalue, this_set, offset_size, FALSE);
2292 break;
2293 case DW_FORM_string:
2294 dwo_dir = (const char *) orig_data;
2295 break;
2296 default:
2297 warn (_("Unsupported form (%s) for attribute %s\n"),
2298 get_FORM_name (form), get_AT_name (attribute));
2299 dwo_dir = _("<unknown>");
2300 break;
2301 }
2302 break;
2303
2304 case DW_AT_GNU_dwo_id:
2305 if (need_dwo_info)
2306 switch (form)
2307 {
2308 case DW_FORM_data8:
2309 dwo_id = data - 8;
2310 dwo_id_len = 8;
2311 break;
2312 default:
2313 warn (_("Unsupported form (%s) for attribute %s\n"),
2314 get_FORM_name (form), get_AT_name (attribute));
2315 dwo_id = NULL;
2316 break;
2317 }
2318 break;
2319
19e6b90e
L		 2320 default:
2321 break;
2322 }
2323 }
2324
4ccf1e31 2325 if (do_loc || attribute == 0)
19e6b90e
L		 2326 return data;
2327
ec4d4525 2328 /* For some attributes we can display further information. */
19e6b90e
L		 2329 switch (attribute)
2330 {
2331 case DW_AT_inline:
2e9e81a8 2332 printf ("\t");
19e6b90e
L		 2333 switch (uvalue)
2334 {
2335 case DW_INL_not_inlined:
2336 printf (_("(not inlined)"));
2337 break;
2338 case DW_INL_inlined:
2339 printf (_("(inlined)"));
2340 break;
2341 case DW_INL_declared_not_inlined:
2342 printf (_("(declared as inline but ignored)"));
2343 break;
2344 case DW_INL_declared_inlined:
2345 printf (_("(declared as inline and inlined)"));
2346 break;
2347 default:
47704ddf
KT		 2348 printf (_(" (Unknown inline attribute value: %s)"),
2349 dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 2350 break;
2351 }
2352 break;
2353
2354 case DW_AT_language:
2e9e81a8 2355 printf ("\t");
19e6b90e
L		 2356 switch (uvalue)
2357 {
4b78141a 2358 /* Ordered by the numeric value of these constants. */
19e6b90e 2359 case DW_LANG_C89: printf ("(ANSI C)"); break;
4b78141a
NC		 2360 case DW_LANG_C: printf ("(non-ANSI C)"); break;
2361 case DW_LANG_Ada83: printf ("(Ada)"); break;
19e6b90e 2362 case DW_LANG_C_plus_plus: printf ("(C++)"); break;
4b78141a
NC		 2363 case DW_LANG_Cobol74: printf ("(Cobol 74)"); break;
2364 case DW_LANG_Cobol85: printf ("(Cobol 85)"); break;
19e6b90e
L		 2365 case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break;
2366 case DW_LANG_Fortran90: printf ("(Fortran 90)"); break;
19e6b90e 2367 case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break;
4b78141a 2368 case DW_LANG_Modula2: printf ("(Modula 2)"); break;
19e6b90e 2369 /* DWARF 2.1 values. */
4b78141a 2370 case DW_LANG_Java: printf ("(Java)"); break;
19e6b90e
L		 2371 case DW_LANG_C99: printf ("(ANSI C99)"); break;
2372 case DW_LANG_Ada95: printf ("(ADA 95)"); break;
2373 case DW_LANG_Fortran95: printf ("(Fortran 95)"); break;
4b78141a
NC		 2374 /* DWARF 3 values. */
2375 case DW_LANG_PLI: printf ("(PLI)"); break;
2376 case DW_LANG_ObjC: printf ("(Objective C)"); break;
2377 case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break;
2378 case DW_LANG_UPC: printf ("(Unified Parallel C)"); break;
2379 case DW_LANG_D: printf ("(D)"); break;
2b6f5997
CC		 2380 /* DWARF 4 values. */
2381 case DW_LANG_Python: printf ("(Python)"); break;
3362e0d9 2382 /* DWARF 5 values. */
2008a0db 2383 case DW_LANG_OpenCL: printf ("(OpenCL)"); break;
3362e0d9 2384 case DW_LANG_Go: printf ("(Go)"); break;
2008a0db
TT		 2385 case DW_LANG_Modula3: printf ("(Modula 3)"); break;
2386 case DW_LANG_Haskell: printf ("(Haskell)"); break;
2387 case DW_LANG_C_plus_plus_03: printf ("(C++03)"); break;
8bc10620 2388 case DW_LANG_C_plus_plus_11: printf ("(C++11)"); break;
2008a0db
TT		 2389 case DW_LANG_OCaml: printf ("(OCaml)"); break;
2390 case DW_LANG_Rust: printf ("(Rust)"); break;
6ddfe5b4 2391 case DW_LANG_C11: printf ("(C11)"); break;
2008a0db
TT		 2392 case DW_LANG_Swift: printf ("(Swift)"); break;
2393 case DW_LANG_Julia: printf ("(Julia)"); break;
2394 case DW_LANG_Dylan: printf ("(Dylan)"); break;
8bc10620 2395 case DW_LANG_C_plus_plus_14: printf ("(C++14)"); break;
5a195044
MW		 2396 case DW_LANG_Fortran03: printf ("(Fortran 03)"); break;
2397 case DW_LANG_Fortran08: printf ("(Fortran 08)"); break;
2008a0db 2398 case DW_LANG_RenderScript: printf ("(RenderScript)"); break;
19e6b90e
L		 2399 /* MIPS extension. */
2400 case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break;
2401 /* UPC extension. */
2402 case DW_LANG_Upc: printf ("(Unified Parallel C)"); break;
2403 default:
4b78141a 2404 if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user)
9cf03b7e 2405 printf (_("(implementation defined: %s)"),
467c65bc 2406 dwarf_vmatoa ("x", uvalue));
4b78141a 2407 else
9cf03b7e 2408 printf (_("(Unknown: %s)"), dwarf_vmatoa ("x", uvalue));
19e6b90e
L		 2409 break;
2410 }
2411 break;
2412
2413 case DW_AT_encoding:
2e9e81a8 2414 printf ("\t");
19e6b90e
L		 2415 switch (uvalue)
2416 {
2417 case DW_ATE_void: printf ("(void)"); break;
2418 case DW_ATE_address: printf ("(machine address)"); break;
2419 case DW_ATE_boolean: printf ("(boolean)"); break;
2420 case DW_ATE_complex_float: printf ("(complex float)"); break;
2421 case DW_ATE_float: printf ("(float)"); break;
2422 case DW_ATE_signed: printf ("(signed)"); break;
2423 case DW_ATE_signed_char: printf ("(signed char)"); break;
2424 case DW_ATE_unsigned: printf ("(unsigned)"); break;
2425 case DW_ATE_unsigned_char: printf ("(unsigned char)"); break;
e2a0d921 2426 /* DWARF 2.1 values: */
19e6b90e
L		 2427 case DW_ATE_imaginary_float: printf ("(imaginary float)"); break;
2428 case DW_ATE_decimal_float: printf ("(decimal float)"); break;
e2a0d921
NC		 2429 /* DWARF 3 values: */
2430 case DW_ATE_packed_decimal: printf ("(packed_decimal)"); break;
2431 case DW_ATE_numeric_string: printf ("(numeric_string)"); break;
2432 case DW_ATE_edited: printf ("(edited)"); break;
2433 case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break;
2434 case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break;
04914e37
NC		 2435 /* DWARF 4 values: */
2436 case DW_ATE_UTF: printf ("(unicode string)"); break;
2437 /* DWARF 5 values: */
2438 case DW_ATE_UCS: printf ("(UCS)"); break;
2439 case DW_ATE_ASCII: printf ("(ASCII)"); break;
2440
e2a0d921
NC		 2441 /* HP extensions: */
2442 case DW_ATE_HP_float80: printf ("(HP_float80)"); break;
2443 case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break;
2444 case DW_ATE_HP_float128: printf ("(HP_float128)"); break;
2445 case DW_ATE_HP_complex_float128:printf ("(HP_complex_float128)"); break;
2446 case DW_ATE_HP_floathpintel: printf ("(HP_floathpintel)"); break;
2447 case DW_ATE_HP_imaginary_float80: printf ("(HP_imaginary_float80)"); break;
2448 case DW_ATE_HP_imaginary_float128: printf ("(HP_imaginary_float128)"); break;
2449
19e6b90e
L		 2450 default:
2451 if (uvalue >= DW_ATE_lo_user
2452 && uvalue <= DW_ATE_hi_user)
9cf03b7e 2453 printf (_("(user defined type)"));
19e6b90e 2454 else
9cf03b7e 2455 printf (_("(unknown type)"));
19e6b90e
L		 2456 break;
2457 }
2458 break;
2459
2460 case DW_AT_accessibility:
2e9e81a8 2461 printf ("\t");
19e6b90e
L		 2462 switch (uvalue)
2463 {
2464 case DW_ACCESS_public: printf ("(public)"); break;
2465 case DW_ACCESS_protected: printf ("(protected)"); break;
2466 case DW_ACCESS_private: printf ("(private)"); break;
2467 default:
9cf03b7e 2468 printf (_("(unknown accessibility)"));
19e6b90e
L		 2469 break;
2470 }
2471 break;
2472
2473 case DW_AT_visibility:
2e9e81a8 2474 printf ("\t");
19e6b90e
L		 2475 switch (uvalue)
2476 {
2477 case DW_VIS_local: printf ("(local)"); break;
2478 case DW_VIS_exported: printf ("(exported)"); break;
2479 case DW_VIS_qualified: printf ("(qualified)"); break;
9cf03b7e 2480 default: printf (_("(unknown visibility)")); break;
19e6b90e
L		 2481 }
2482 break;
2483
04914e37
NC		 2484 case DW_AT_endianity:
2485 printf ("\t");
2486 switch (uvalue)
2487 {
2488 case DW_END_default: printf ("(default)"); break;
2489 case DW_END_big: printf ("(big)"); break;
2490 case DW_END_little: printf ("(little)"); break;
2491 default:
2492 if (uvalue >= DW_END_lo_user && uvalue <= DW_END_hi_user)
2493 printf (_("(user specified)"));
2494 else
2495 printf (_("(unknown endianity)"));
2496 break;
2497 }
2498 break;
2499
19e6b90e 2500 case DW_AT_virtuality:
2e9e81a8 2501 printf ("\t");
19e6b90e
L		 2502 switch (uvalue)
2503 {
2504 case DW_VIRTUALITY_none: printf ("(none)"); break;
2505 case DW_VIRTUALITY_virtual: printf ("(virtual)"); break;
2506 case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break;
9cf03b7e 2507 default: printf (_("(unknown virtuality)")); break;
19e6b90e
L		 2508 }
2509 break;
2510
2511 case DW_AT_identifier_case:
2e9e81a8 2512 printf ("\t");
19e6b90e
L		 2513 switch (uvalue)
2514 {
2515 case DW_ID_case_sensitive: printf ("(case_sensitive)"); break;
2516 case DW_ID_up_case: printf ("(up_case)"); break;
2517 case DW_ID_down_case: printf ("(down_case)"); break;
2518 case DW_ID_case_insensitive: printf ("(case_insensitive)"); break;
9cf03b7e 2519 default: printf (_("(unknown case)")); break;
19e6b90e
L		 2520 }
2521 break;
2522
2523 case DW_AT_calling_convention:
2e9e81a8 2524 printf ("\t");
19e6b90e
L		 2525 switch (uvalue)
2526 {
2527 case DW_CC_normal: printf ("(normal)"); break;
2528 case DW_CC_program: printf ("(program)"); break;
2529 case DW_CC_nocall: printf ("(nocall)"); break;
04914e37
NC		 2530 case DW_CC_pass_by_reference: printf ("(pass by ref)"); break;
2531 case DW_CC_pass_by_value: printf ("(pass by value)"); break;
2532 case DW_CC_GNU_renesas_sh: printf ("(Rensas SH)"); break;
2533 case DW_CC_GNU_borland_fastcall_i386: printf ("(Borland fastcall i386)"); break;
19e6b90e
L		 2534 default:
2535 if (uvalue >= DW_CC_lo_user
2536 && uvalue <= DW_CC_hi_user)
9cf03b7e 2537 printf (_("(user defined)"));
19e6b90e 2538 else
9cf03b7e 2539 printf (_("(unknown convention)"));
19e6b90e
L		 2540 }
2541 break;
2542
2543 case DW_AT_ordering:
2e9e81a8 2544 printf ("\t");
19e6b90e
L		 2545 switch (uvalue)
2546 {
04914e37 2547 case 255:
9cf03b7e 2548 case -1: printf (_("(undefined)")); break;
19e6b90e
L		 2549 case 0: printf ("(row major)"); break;
2550 case 1: printf ("(column major)"); break;
2551 }
2552 break;
2553
04914e37
NC		 2554 case DW_AT_decimal_sign:
2555 printf ("\t");
2556 switch (uvalue)
2557 {
2558 case DW_DS_unsigned: printf (_("(unsigned)")); break;
2559 case DW_DS_leading_overpunch: printf (_("(leading overpunch)")); break;
2560 case DW_DS_trailing_overpunch: printf (_("(trailing overpunch)")); break;
2561 case DW_DS_leading_separate: printf (_("(leading separate)")); break;
2562 case DW_DS_trailing_separate: printf (_("(trailing separate)")); break;
2563 default: printf (_("(unrecognised)")); break;
2564 }
2565 break;
2566
2567 case DW_AT_defaulted:
2568 printf ("\t");
2569 switch (uvalue)
2570 {
2571 case DW_DEFAULTED_no: printf (_("(no)")); break;
2572 case DW_DEFAULTED_in_class: printf (_("(in class)")); break;
2573 case DW_DEFAULTED_out_of_class: printf (_("(out of class)")); break;
2574 default: printf (_("(unrecognised)")); break;
2575 }
2576 break;
2577
2578 case DW_AT_discr_list:
2579 printf ("\t");
2580 switch (uvalue)
2581 {
2582 case DW_DSC_label: printf (_("(label)")); break;
2583 case DW_DSC_range: printf (_("(range)")); break;
2584 default: printf (_("(unrecognised)")); break;
2585 }
2586 break;
2587
19e6b90e
L		 2588 case DW_AT_frame_base:
2589 have_frame_base = 1;
1a0670f3 2590 /* Fall through. */
19e6b90e 2591 case DW_AT_location:
e2a0d921
NC		 2592 case DW_AT_string_length:
2593 case DW_AT_return_addr:
19e6b90e
L		 2594 case DW_AT_data_member_location:
2595 case DW_AT_vtable_elem_location:
e2a0d921
NC		 2596 case DW_AT_segment:
2597 case DW_AT_static_link:
2598 case DW_AT_use_location:
bc0a77d2 2599 case DW_AT_call_value:
629e7ca8 2600 case DW_AT_GNU_call_site_value:
bc0a77d2 2601 case DW_AT_call_data_value:
629e7ca8 2602 case DW_AT_GNU_call_site_data_value:
bc0a77d2 2603 case DW_AT_call_target:
629e7ca8 2604 case DW_AT_GNU_call_site_target:
bc0a77d2 2605 case DW_AT_call_target_clobbered:
629e7ca8 2606 case DW_AT_GNU_call_site_target_clobbered:
212b6063 2607 if ((dwarf_version < 4
b4eb7656 2608 && (form == DW_FORM_data4 || form == DW_FORM_data8))
932fd279 2609 || form == DW_FORM_sec_offset)
2e9e81a8 2610 printf (_(" (location list)"));
e2a0d921 2611 /* Fall through. */
19e6b90e
L		 2612 case DW_AT_allocated:
2613 case DW_AT_associated:
2614 case DW_AT_data_location:
2615 case DW_AT_stride:
2616 case DW_AT_upper_bound:
cecf136e 2617 case DW_AT_lower_bound:
19e6b90e
L		 2618 if (block_start)
2619 {
2620 int need_frame_base;
2621
2e9e81a8 2622 printf ("\t(");
19e6b90e
L		 2623 need_frame_base = decode_location_expression (block_start,
2624 pointer_size,
b7807392
JJ		 2625 offset_size,
2626 dwarf_version,
19e6b90e 2627 uvalue,
f1c4cc75 2628 cu_offset, section);
19e6b90e
L		 2629 printf (")");
2630 if (need_frame_base && !have_frame_base)
2631 printf (_(" [without DW_AT_frame_base]"));
2632 }
19e6b90e
L		 2633 break;
2634
c54207d3
NC		 2635 case DW_AT_data_bit_offset:
2636 case DW_AT_byte_size:
2637 case DW_AT_bit_size:
2638 case DW_AT_string_length_byte_size:
2639 case DW_AT_string_length_bit_size:
2640 case DW_AT_bit_stride:
2641 if (form == DW_FORM_exprloc)
2642 {
2643 printf ("\t(");
2644 (void) decode_location_expression (block_start, pointer_size,
2645 offset_size, dwarf_version,
2646 uvalue, cu_offset, section);
2647 printf (")");
2648 }
2649 break;
2650
ec4d4525
NC		 2651 case DW_AT_import:
2652 {
a081f3cd
JJ		 2653 if (form == DW_FORM_ref_sig8
2654 || form == DW_FORM_GNU_ref_alt)
b4eb7656 2655 break;
2b6f5997 2656
ec4d4525
NC		 2657 if (form == DW_FORM_ref1
2658 || form == DW_FORM_ref2
a7a0b6a5
JK		 2659 || form == DW_FORM_ref4
2660 || form == DW_FORM_ref_udata)
ec4d4525
NC		 2661 uvalue += cu_offset;
2662
6e3d6dc1 2663 if (uvalue >= section->size)
f3853b34 2664 warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset 0x%lx is too big.\n"),
47704ddf
KT		 2665 dwarf_vmatoa ("x", uvalue),
2666 (unsigned long) (orig_data - section->start));
6e3d6dc1
NC		 2667 else
2668 {
2669 unsigned long abbrev_number;
2670 abbrev_entry * entry;
2671
f6f0e17b 2672 abbrev_number = read_uleb128 (section->start + uvalue, NULL, end);
cecf136e 2673
2e9e81a8 2674 printf (_("\t[Abbrev Number: %ld"), abbrev_number);
afd6e1ff
JJ		 2675 /* Don't look up abbrev for DW_FORM_ref_addr, as it very often will
2676 use different abbrev table, and we don't track .debug_info chunks
2677 yet. */
2678 if (form != DW_FORM_ref_addr)
2679 {
2680 for (entry = first_abbrev; entry != NULL; entry = entry->next)
2681 if (entry->entry == abbrev_number)
2682 break;
2683 if (entry != NULL)
2684 printf (" (%s)", get_TAG_name (entry->tag));
2685 }
6e3d6dc1
NC		 2686 printf ("]");
2687 }
ec4d4525
NC		 2688 }
2689 break;
2690
19e6b90e
L		 2691 default:
2692 break;
2693 }
2694
2695 return data;
2696}
2697
19e6b90e 2698static unsigned char *
dda8d76d
NC		 2699read_and_display_attr (unsigned long attribute,
2700 unsigned long form,
2701 dwarf_signed_vma implicit_const,
2702 unsigned char * data,
2703 unsigned char * end,
2704 dwarf_vma cu_offset,
2705 dwarf_vma pointer_size,
2706 dwarf_vma offset_size,
2707 int dwarf_version,
2708 debug_info * debug_info_p,
2709 int do_loc,
2710 struct dwarf_section * section,
2711 struct cu_tu_set * this_set)
19e6b90e
L		 2712{
2713 if (!do_loc)
750f03b7 2714 printf (" %-18s:", get_AT_name (attribute));
77145576 2715 data = read_and_display_attr_value (attribute, form, implicit_const, data, end,
f6f0e17b 2716 cu_offset, pointer_size, offset_size,
19e6b90e 2717 dwarf_version, debug_info_p,
ef0b5f1c 2718 do_loc, section, this_set, ' ');
19e6b90e
L		 2719 if (!do_loc)
2720 printf ("\n");
2721 return data;
2722}
2723
dda8d76d
NC		 2724/* Like load_debug_section, but if the ordinary call fails, and we are
2725 following debug links, and we have been able to load a separate debug
2726 info file, then attempt to load the requested section from the separate
2727 file. */
2728
2729static bfd_boolean
2730load_debug_section_with_follow (enum dwarf_section_display_enum sec_enum,
2731 void * data)
2732{
2733 if (load_debug_section (sec_enum, data))
2734 {
2735 if (data == separate_debug_file)
2736 debug_displays[sec_enum].section.filename = separate_debug_filename;
2737
2738 /* FIXME: We should check to see if there is a separate debug info file
2739 that also contains this section, and if so, issue a warning. */
2740 return TRUE;
2741 }
2742
2743 if (do_follow_links && separate_debug_file != NULL)
2744 if (load_debug_section (sec_enum, separate_debug_file))
2745 {
2746 debug_displays[sec_enum].section.filename = separate_debug_filename;
2747 return TRUE;
2748 }
2749
2750 return FALSE;
2751}
2752
2753static void
2754introduce (struct dwarf_section * section, bfd_boolean raw)
2755{
2756 if (raw)
2757 {
2758 if (do_follow_links && section->filename)
2759 printf (_("Raw dump of debug contents of section %s (loaded from %s):\n\n"),
2760 section->name, section->filename);
2761 else
2762 printf (_("Raw dump of debug contents of section %s:\n\n"), section->name);
2763 }
2764 else
2765 {
2766 if (do_follow_links && section->filename)
2767 printf (_("Contents of the %s section (loaded from %s):\n\n"),
2768 section->name, section->filename);
2769 else
2770 printf (_("Contents of the %s section:\n\n"), section->name);
2771 }
2772}
2773
d85bf2ba
NC		 2774/* Process the contents of a .debug_info section.
2775 If do_loc is TRUE then we are scanning for location lists and dwo tags
2776 and we do not want to display anything to the user.
2777 If do_types is TRUE, we are processing a .debug_types section instead of
2778 a .debug_info section.
2779 The information displayed is restricted by the values in DWARF_START_DIE
2780 and DWARF_CUTOFF_LEVEL.
2781 Returns TRUE upon success. Otherwise an error or warning message is
2782 printed and FALSE is returned. */
19e6b90e 2783
d85bf2ba
NC		 2784static bfd_boolean
2785process_debug_info (struct dwarf_section * section,
2786 void * file,
2787 enum dwarf_section_display_enum abbrev_sec,
2788 bfd_boolean do_loc,
2789 bfd_boolean do_types)
19e6b90e
L		 2790{
2791 unsigned char *start = section->start;
2792 unsigned char *end = start + section->size;
2793 unsigned char *section_begin;
2794 unsigned int unit;
2795 unsigned int num_units = 0;
2796
2797 if ((do_loc || do_debug_loc || do_debug_ranges)
2b6f5997
CC		 2798 && num_debug_info_entries == 0
2799 && ! do_types)
19e6b90e 2800 {
767221a9 2801 dwarf_vma length;
19e6b90e
L		 2802
2803 /* First scan the section to get the number of comp units. */
2804 for (section_begin = start, num_units = 0; section_begin < end;
2805 num_units ++)
2806 {
2807 /* Read the first 4 bytes. For a 32-bit DWARF section, this
2808 will be the length. For a 64-bit DWARF section, it'll be
2809 the escape code 0xffffffff followed by an 8 byte length. */
0c588247 2810 SAFE_BYTE_GET (length, section_begin, 4, end);
19e6b90e
L		 2811
2812 if (length == 0xffffffff)
2813 {
0c588247 2814 SAFE_BYTE_GET (length, section_begin + 4, 8, end);
19e6b90e
L		 2815 section_begin += length + 12;
2816 }
ec4d4525
NC		 2817 else if (length >= 0xfffffff0 && length < 0xffffffff)
2818 {
767221a9
NC		 2819 warn (_("Reserved length value (0x%s) found in section %s\n"),
2820 dwarf_vmatoa ("x", length), section->name);
d85bf2ba 2821 return FALSE;
ec4d4525 2822 }
19e6b90e
L		 2823 else
2824 section_begin += length + 4;
aca88567
NC		 2825
2826 /* Negative values are illegal, they may even cause infinite
2827 looping. This can happen if we can't accurately apply
f3853b34
NC		 2828 relocations to an object file, or if the file is corrupt. */
2829 if ((signed long) length <= 0 || section_begin < start)
aca88567 2830 {
767221a9
NC		 2831 warn (_("Corrupt unit length (0x%s) found in section %s\n"),
2832 dwarf_vmatoa ("x", length), section->name);
d85bf2ba 2833 return FALSE;
aca88567 2834 }
19e6b90e
L		 2835 }
2836
2837 if (num_units == 0)
2838 {
f41e4712 2839 error (_("No comp units in %s section ?\n"), section->name);
d85bf2ba 2840 return FALSE;
19e6b90e
L		 2841 }
2842
2843 /* Then allocate an array to hold the information. */
3f5e193b 2844 debug_information = (debug_info *) cmalloc (num_units,
1306a742 2845 sizeof (* debug_information));
19e6b90e
L		 2846 if (debug_information == NULL)
2847 {
f41e4712 2848 error (_("Not enough memory for a debug info array of %u entries\n"),
19e6b90e 2849 num_units);
82b1b41b 2850 alloc_num_debug_info_entries = num_debug_info_entries = 0;
d85bf2ba 2851 return FALSE;
19e6b90e 2852 }
d85bf2ba 2853
03a91817
NC		 2854 /* PR 17531: file: 92ca3797.
2855 We cannot rely upon the debug_information array being initialised
2856 before it is used. A corrupt file could easily contain references
2857 to a unit for which information has not been made available. So
2858 we ensure that the array is zeroed here. */
b4eb7656
AM		 2859 memset (debug_information, 0, num_units * sizeof (*debug_information));
2860
82b1b41b 2861 alloc_num_debug_info_entries = num_units;
19e6b90e
L		 2862 }
2863
2864 if (!do_loc)
2865 {
dda8d76d
NC		 2866 load_debug_section_with_follow (str, file);
2867 load_debug_section_with_follow (line_str, file);
2868 load_debug_section_with_follow (str_dwo, file);
2869 load_debug_section_with_follow (str_index, file);
2870 load_debug_section_with_follow (str_index_dwo, file);
2871 load_debug_section_with_follow (debug_addr, file);
19e6b90e
L		 2872 }
2873
dda8d76d 2874 load_debug_section_with_follow (abbrev_sec, file);
6f875884 2875 if (debug_displays [abbrev_sec].section.start == NULL)
19e6b90e
L		 2876 {
2877 warn (_("Unable to locate %s section!\n"),
dda8d76d 2878 debug_displays [abbrev_sec].section.uncompressed_name);
d85bf2ba 2879 return FALSE;
19e6b90e
L		 2880 }
2881
dda8d76d
NC		 2882 if (!do_loc && dwarf_start_die == 0)
2883 introduce (section, FALSE);
2884
19e6b90e
L		 2885 for (section_begin = start, unit = 0; start < end; unit++)
2886 {
2887 DWARF2_Internal_CompUnit compunit;
2888 unsigned char *hdrptr;
19e6b90e 2889 unsigned char *tags;
fd2f0033 2890 int level, last_level, saved_level;
467c65bc 2891 dwarf_vma cu_offset;
e98fdf1a 2892 unsigned long sec_off;
bf5117e3 2893 unsigned int offset_size;
19485196 2894 unsigned int initial_length_size;
74bc6052
CC		 2895 dwarf_vma signature_high = 0;
2896 dwarf_vma signature_low = 0;
767221a9 2897 dwarf_vma type_offset = 0;
341f9135
CC		 2898 struct cu_tu_set *this_set;
2899 dwarf_vma abbrev_base;
2900 size_t abbrev_size;
19e6b90e
L		 2901
2902 hdrptr = start;
2903
0c588247 2904 SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end);
19e6b90e
L		 2905
2906 if (compunit.cu_length == 0xffffffff)
2907 {
0c588247 2908 SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end);
19e6b90e
L		 2909 offset_size = 8;
2910 initial_length_size = 12;
2911 }
2912 else
2913 {
2914 offset_size = 4;
2915 initial_length_size = 4;
2916 }
2917
0c588247 2918 SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end);
19e6b90e
L		 2919
2920 cu_offset = start - section_begin;
19e6b90e 2921
341f9135
CC		 2922 this_set = find_cu_tu_set_v2 (cu_offset, do_types);
2923
77145576
JK		 2924 if (compunit.cu_version < 5)
2925 {
2926 compunit.cu_unit_type = DW_UT_compile;
2927 /* Initialize it due to a false compiler warning. */
2928 compunit.cu_pointer_size = -1;
2929 }
2930 else
2931 {
2932 SAFE_BYTE_GET_AND_INC (compunit.cu_unit_type, hdrptr, 1, end);
2933 do_types = (compunit.cu_unit_type == DW_UT_type);
2934
2935 SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end);
2936 }
2937
0c588247 2938 SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end);
19e6b90e 2939
341f9135
CC		 2940 if (this_set == NULL)
2941 {
2942 abbrev_base = 0;
2943 abbrev_size = debug_displays [abbrev_sec].section.size;
2944 }
2945 else
2946 {
2947 abbrev_base = this_set->section_offsets [DW_SECT_ABBREV];
2948 abbrev_size = this_set->section_sizes [DW_SECT_ABBREV];
2949 }
2950
77145576
JK		 2951 if (compunit.cu_version < 5)
2952 SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end);
2953
f41e4712
NC		 2954 /* PR 17512: file: 001-108546-0.001:0.1. */
2955 if (compunit.cu_pointer_size < 2 || compunit.cu_pointer_size > 8)
2956 {
2957 warn (_("Invalid pointer size (%d) in compunit header, using %d instead\n"),
2958 compunit.cu_pointer_size, offset_size);
2959 compunit.cu_pointer_size = offset_size;
2960 }
2b6f5997
CC		 2961
2962 if (do_types)
b4eb7656 2963 {
0c588247 2964 SAFE_BYTE_GET64 (hdrptr, &signature_high, &signature_low, end);
f048b142 2965 hdrptr += 8;
0c588247 2966 SAFE_BYTE_GET_AND_INC (type_offset, hdrptr, offset_size, end);
b4eb7656 2967 }
2b6f5997 2968
ae7e7825
NC		 2969 if (dwarf_start_die > (cu_offset + compunit.cu_length
2970 + initial_length_size))
2971 {
2972 start = section_begin + cu_offset + compunit.cu_length
2973 + initial_length_size;
2974 continue;
2975 }
2976
19e6b90e 2977 if ((do_loc || do_debug_loc || do_debug_ranges)
2b6f5997
CC		 2978 && num_debug_info_entries == 0
2979 && ! do_types)
19e6b90e
L		 2980 {
2981 debug_information [unit].cu_offset = cu_offset;
2982 debug_information [unit].pointer_size
2983 = compunit.cu_pointer_size;
b7807392
JJ		 2984 debug_information [unit].offset_size = offset_size;
2985 debug_information [unit].dwarf_version = compunit.cu_version;
19e6b90e 2986 debug_information [unit].base_address = 0;
4723351a
CC		 2987 debug_information [unit].addr_base = DEBUG_INFO_UNAVAILABLE;
2988 debug_information [unit].ranges_base = DEBUG_INFO_UNAVAILABLE;
19e6b90e
L		 2989 debug_information [unit].loc_offsets = NULL;
2990 debug_information [unit].have_frame_base = NULL;
2991 debug_information [unit].max_loc_offsets = 0;
2992 debug_information [unit].num_loc_offsets = 0;
2993 debug_information [unit].range_lists = NULL;
2994 debug_information [unit].max_range_lists= 0;
2995 debug_information [unit].num_range_lists = 0;
2996 }
2997
fd2f0033 2998 if (!do_loc && dwarf_start_die == 0)
19e6b90e 2999 {
47704ddf
KT		 3000 printf (_(" Compilation Unit @ offset 0x%s:\n"),
3001 dwarf_vmatoa ("x", cu_offset));
3002 printf (_(" Length: 0x%s (%s)\n"),
3003 dwarf_vmatoa ("x", compunit.cu_length),
49e7b350 3004 offset_size == 8 ? "64-bit" : "32-bit");
19e6b90e 3005 printf (_(" Version: %d\n"), compunit.cu_version);
7282333f
AM		 3006 printf (_(" Abbrev Offset: 0x%s\n"),
3007 dwarf_vmatoa ("x", compunit.cu_abbrev_offset));
19e6b90e 3008 printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
2b6f5997
CC		 3009 if (do_types)
3010 {
74bc6052
CC		 3011 char buf[64];
3012
3013 printf (_(" Signature: 0x%s\n"),
3014 dwarf_vmatoa64 (signature_high, signature_low,
3015 buf, sizeof (buf)));
3016 printf (_(" Type Offset: 0x%s\n"),
3017 dwarf_vmatoa ("x", type_offset));
2b6f5997 3018 }
341f9135
CC		 3019 if (this_set != NULL)
3020 {
3021 dwarf_vma *offsets = this_set->section_offsets;
3022 size_t *sizes = this_set->section_sizes;
3023
3024 printf (_(" Section contributions:\n"));
3025 printf (_(" .debug_abbrev.dwo: 0x%s 0x%s\n"),
3026 dwarf_vmatoa ("x", offsets [DW_SECT_ABBREV]),
3027 dwarf_vmatoa ("x", sizes [DW_SECT_ABBREV]));
3028 printf (_(" .debug_line.dwo: 0x%s 0x%s\n"),
3029 dwarf_vmatoa ("x", offsets [DW_SECT_LINE]),
3030 dwarf_vmatoa ("x", sizes [DW_SECT_LINE]));
3031 printf (_(" .debug_loc.dwo: 0x%s 0x%s\n"),
3032 dwarf_vmatoa ("x", offsets [DW_SECT_LOC]),
3033 dwarf_vmatoa ("x", sizes [DW_SECT_LOC]));
3034 printf (_(" .debug_str_offsets.dwo: 0x%s 0x%s\n"),
3035 dwarf_vmatoa ("x", offsets [DW_SECT_STR_OFFSETS]),
3036 dwarf_vmatoa ("x", sizes [DW_SECT_STR_OFFSETS]));
3037 }
19e6b90e
L		 3038 }
3039
e98fdf1a
AM		 3040 sec_off = cu_offset + initial_length_size;
3041 if (sec_off + compunit.cu_length < sec_off
3042 || sec_off + compunit.cu_length > section->size)
460c89ff 3043 {
e98fdf1a
AM		 3044 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
3045 section->name,
3046 (unsigned long) cu_offset,
19485196
NC		 3047 dwarf_vmatoa ("x", compunit.cu_length));
3048 num_units = unit;
3049 break;
3050 }
3051
460c89ff
NS		 3052 tags = hdrptr;
3053 start += compunit.cu_length + initial_length_size;
3054
77145576 3055 if (compunit.cu_version < 2 || compunit.cu_version > 5)
19e6b90e 3056 {
47704ddf
KT		 3057 warn (_("CU at offset %s contains corrupt or "
3058 "unsupported version number: %d.\n"),
3059 dwarf_vmatoa ("x", cu_offset), compunit.cu_version);
19e6b90e
L		 3060 continue;
3061 }
3062
77145576
JK		 3063 if (compunit.cu_unit_type != DW_UT_compile
3064 && compunit.cu_unit_type != DW_UT_type)
3065 {
3066 warn (_("CU at offset %s contains corrupt or "
3067 "unsupported unit type: %d.\n"),
3068 dwarf_vmatoa ("x", cu_offset), compunit.cu_unit_type);
3069 continue;
3070 }
3071
19e6b90e
L		 3072 free_abbrevs ();
3073
d493b283 3074 /* Process the abbrevs used by this compilation unit. */
341f9135 3075 if (compunit.cu_abbrev_offset >= abbrev_size)
ec4d4525
NC		 3076 warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"),
3077 (unsigned long) compunit.cu_abbrev_offset,
341f9135 3078 (unsigned long) abbrev_size);
b4eb7656 3079 /* PR 17531: file:4bcd9ce9. */
a0a3b04c
L		 3080 else if ((abbrev_base + abbrev_size)
3081 > debug_displays [abbrev_sec].section.size)
3082 warn (_("Debug info is corrupted, abbrev size (%lx) is larger than abbrev section size (%lx)\n"),
3083 (unsigned long) abbrev_base + abbrev_size,
3084 (unsigned long) debug_displays [abbrev_sec].section.size);
460c89ff
NS		 3085 else
3086 process_abbrev_section
341f9135
CC		 3087 (((unsigned char *) debug_displays [abbrev_sec].section.start
3088 + abbrev_base + compunit.cu_abbrev_offset),
3089 ((unsigned char *) debug_displays [abbrev_sec].section.start
3090 + abbrev_base + abbrev_size));
19e6b90e
L		 3091
3092 level = 0;
fd2f0033
TT		 3093 last_level = level;
3094 saved_level = -1;
19e6b90e
L		 3095 while (tags < start)
3096 {
3097 unsigned int bytes_read;
3098 unsigned long abbrev_number;
ec4d4525 3099 unsigned long die_offset;
19e6b90e
L		 3100 abbrev_entry *entry;
3101 abbrev_attr *attr;
fd2f0033 3102 int do_printing = 1;
19e6b90e 3103
ec4d4525
NC		 3104 die_offset = tags - section_begin;
3105
f6f0e17b 3106 abbrev_number = read_uleb128 (tags, & bytes_read, start);
19e6b90e
L		 3107 tags += bytes_read;
3108
eb7cc021
JK		 3109 /* A null DIE marks the end of a list of siblings or it may also be
3110 a section padding. */
19e6b90e
L		 3111 if (abbrev_number == 0)
3112 {
eb7cc021
JK		 3113 /* Check if it can be a section padding for the last CU. */
3114 if (level == 0 && start == end)
3115 {
3116 unsigned char *chk;
3117
3118 for (chk = tags; chk < start; chk++)
3119 if (*chk != 0)
3120 break;
3121 if (chk == start)
3122 break;
3123 }
3124
4337774f
TT		 3125 if (!do_loc && die_offset >= dwarf_start_die
3126 && (dwarf_cutoff_level == -1
3127 || level < dwarf_cutoff_level))
399c99f7
L		 3128 printf (_(" <%d><%lx>: Abbrev Number: 0\n"),
3129 level, die_offset);
3130
19e6b90e 3131 --level;
ec4d4525
NC		 3132 if (level < 0)
3133 {
3134 static unsigned num_bogus_warns = 0;
3135
3136 if (num_bogus_warns < 3)
3137 {
4723351a
CC		 3138 warn (_("Bogus end-of-siblings marker detected at offset %lx in %s section\n"),
3139 die_offset, section->name);
ec4d4525
NC		 3140 num_bogus_warns ++;
3141 if (num_bogus_warns == 3)
3142 warn (_("Further warnings about bogus end-of-sibling markers suppressed\n"));
3143 }
3144 }
fd2f0033 3145 if (dwarf_start_die != 0 && level < saved_level)
d85bf2ba 3146 return TRUE;
19e6b90e
L		 3147 continue;
3148 }
3149
4b78141a 3150 if (!do_loc)
fd2f0033
TT		 3151 {
3152 if (dwarf_start_die != 0 && die_offset < dwarf_start_die)
3153 do_printing = 0;
3154 else
3155 {
3156 if (dwarf_start_die != 0 && die_offset == dwarf_start_die)
3157 saved_level = level;
3158 do_printing = (dwarf_cutoff_level == -1
3159 || level < dwarf_cutoff_level);
3160 if (do_printing)
3161 printf (_(" <%d><%lx>: Abbrev Number: %lu"),
3162 level, die_offset, abbrev_number);
3163 else if (dwarf_cutoff_level == -1
3164 || last_level < dwarf_cutoff_level)
3165 printf (_(" <%d><%lx>: ...\n"), level, die_offset);
3166 last_level = level;
3167 }
3168 }
cecf136e 3169
19e6b90e
L		 3170 /* Scan through the abbreviation list until we reach the
3171 correct entry. */
3172 for (entry = first_abbrev;
3173 entry && entry->entry != abbrev_number;
3174 entry = entry->next)
3175 continue;
3176
3177 if (entry == NULL)
3178 {
fd2f0033 3179 if (!do_loc && do_printing)
4b78141a
NC		 3180 {
3181 printf ("\n");
3182 fflush (stdout);
3183 }
f3853b34 3184 warn (_("DIE at offset 0x%lx refers to abbreviation number %lu which does not exist\n"),
cc86f28f 3185 die_offset, abbrev_number);
d85bf2ba 3186 return FALSE;
19e6b90e
L		 3187 }
3188
fd2f0033 3189 if (!do_loc && do_printing)
cc5914eb 3190 printf (" (%s)\n", get_TAG_name (entry->tag));
cecf136e 3191
19e6b90e
L		 3192 switch (entry->tag)
3193 {
3194 default:
3195 need_base_address = 0;
3196 break;
3197 case DW_TAG_compile_unit:
d85bf2ba
NC		 3198 need_base_address = 1;
3199 need_dwo_info = do_loc;
19e6b90e
L		 3200 break;
3201 case DW_TAG_entry_point:
19e6b90e
L		 3202 case DW_TAG_subprogram:
3203 need_base_address = 0;
3204 /* Assuming that there is no DW_AT_frame_base. */
3205 have_frame_base = 0;
3206 break;
3207 }
3208
9f272209
AO		 3209 debug_info *debug_info_p =
3210 (debug_information && unit < alloc_num_debug_info_entries)
3211 ? debug_information + unit : NULL;
3212
3213 assert (!debug_info_p
3214 || (debug_info_p->num_loc_offsets
3215 == debug_info_p->num_loc_views));
3216
399c99f7
L		 3217 for (attr = entry->first_attr;
3218 attr && attr->attribute;
3219 attr = attr->next)
4b78141a 3220 {
fd2f0033 3221 if (! do_loc && do_printing)
4b78141a 3222 /* Show the offset from where the tag was extracted. */
fd2f0033
TT		 3223 printf (" <%lx>", (unsigned long)(tags - section_begin));
3224
4b78141a
NC		 3225 tags = read_and_display_attr (attr->attribute,
3226 attr->form,
77145576 3227 attr->implicit_const,
341f9135 3228 tags,
f6f0e17b 3229 end,
341f9135 3230 cu_offset,
4b78141a
NC		 3231 compunit.cu_pointer_size,
3232 offset_size,
3233 compunit.cu_version,
9f272209 3234 debug_info_p,
341f9135
CC		 3235 do_loc || ! do_printing,
3236 section,
3237 this_set);
4b78141a 3238 }
cecf136e 3239
9f272209
AO		 3240 /* If a locview attribute appears before a location one,
3241 make sure we don't associate it with an earlier
3242 loclist. */
3243 if (debug_info_p)
3244 switch (debug_info_p->num_loc_offsets - debug_info_p->num_loc_views)
3245 {
3246 case 1:
3247 debug_info_p->loc_views [debug_info_p->num_loc_views] = vm1;
3248 debug_info_p->num_loc_views++;
3249 assert (debug_info_p->num_loc_views
3250 == debug_info_p->num_loc_offsets);
3251 break;
3252
3253 case 0:
3254 break;
3255
3256 case -1:
3257 warn(_("DIE has locviews without loclist\n"));
3258 debug_info_p->num_loc_views--;
3259 break;
3260
3261 default:
3262 assert (0);
3263 }
3264
b4eb7656
AM		 3265 if (entry->children)
3266 ++level;
3267 }
19e6b90e 3268 }
cecf136e 3269
19e6b90e
L		 3270 /* Set num_debug_info_entries here so that it can be used to check if
3271 we need to process .debug_loc and .debug_ranges sections. */
3272 if ((do_loc || do_debug_loc || do_debug_ranges)
2b6f5997
CC		 3273 && num_debug_info_entries == 0
3274 && ! do_types)
82b1b41b 3275 {
b4eb7656 3276 if (num_units > alloc_num_debug_info_entries)
82b1b41b
NC		 3277 num_debug_info_entries = alloc_num_debug_info_entries;
3278 else
3279 num_debug_info_entries = num_units;
3280 }
cecf136e 3281
19e6b90e 3282 if (!do_loc)
467c65bc 3283 printf ("\n");
cecf136e 3284
d85bf2ba 3285 return TRUE;
19e6b90e
L		 3286}
3287
3288/* Locate and scan the .debug_info section in the file and record the pointer
3289 sizes and offsets for the compilation units in it. Usually an executable
3290 will have just one pointer size, but this is not guaranteed, and so we try
3291 not to make any assumptions. Returns zero upon failure, or the number of
3292 compilation units upon success. */
3293
3294static unsigned int
3295load_debug_info (void * file)
3296{
1febe64d 3297 /* If we have already tried and failed to load the .debug_info
657d0d47 3298 section then do not bother to repeat the task. */
cc86f28f 3299 if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE)
1febe64d
NC		 3300 return 0;
3301
19e6b90e
L		 3302 /* If we already have the information there is nothing else to do. */
3303 if (num_debug_info_entries > 0)
3304 return num_debug_info_entries;
3305
341f9135 3306 /* If this is a DWARF package file, load the CU and TU indexes. */
43a444f9 3307 (void) load_cu_tu_indexes (file);
341f9135 3308
dda8d76d 3309 if (load_debug_section_with_follow (info, file)
d85bf2ba 3310 && process_debug_info (&debug_displays [info].section, file, abbrev, TRUE, FALSE))
19e6b90e 3311 return num_debug_info_entries;
82b1b41b 3312
dda8d76d 3313 if (load_debug_section_with_follow (info_dwo, file)
82b1b41b 3314 && process_debug_info (&debug_displays [info_dwo].section, file,
d85bf2ba 3315 abbrev_dwo, TRUE, FALSE))
4723351a 3316 return num_debug_info_entries;
1febe64d 3317
cc86f28f 3318 num_debug_info_entries = DEBUG_INFO_UNAVAILABLE;
1febe64d 3319 return 0;
19e6b90e
L		 3320}
3321
b40bf0a2
NC		 3322/* Read a DWARF .debug_line section header starting at DATA.
3323 Upon success returns an updated DATA pointer and the LINFO
3324 structure and the END_OF_SEQUENCE pointer will be filled in.
3325 Otherwise returns NULL. */
19e6b90e 3326
b40bf0a2
NC		 3327static unsigned char *
3328read_debug_line_header (struct dwarf_section * section,
3329 unsigned char * data,
3330 unsigned char * end,
3331 DWARF2_Internal_LineInfo * linfo,
3332 unsigned char ** end_of_sequence)
3333{
3334 unsigned char *hdrptr;
b40bf0a2 3335 unsigned int initial_length_size;
77145576 3336 unsigned char address_size, segment_selector_size;
19e6b90e 3337
b40bf0a2
NC		 3338 /* Extract information from the Line Number Program Header.
3339 (section 6.2.4 in the Dwarf3 doc). */
6937bb54 3340 hdrptr = data;
19e6b90e 3341
b40bf0a2
NC		 3342 /* Get and check the length of the block. */
3343 SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 4, end);
19e6b90e 3344
b40bf0a2 3345 if (linfo->li_length == 0xffffffff)
f41e4712
NC		 3346 {
3347 /* This section is 64-bit DWARF 3. */
b40bf0a2 3348 SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end);
77145576 3349 linfo->li_offset_size = 8;
f41e4712
NC		 3350 initial_length_size = 12;
3351 }
3352 else
3353 {
77145576 3354 linfo->li_offset_size = 4;
f41e4712
NC		 3355 initial_length_size = 4;
3356 }
19e6b90e 3357
b40bf0a2 3358 if (linfo->li_length + initial_length_size > section->size)
f41e4712 3359 {
8fcc61b4
NC		 3360 /* If the length field has a relocation against it, then we should
3361 not complain if it is inaccurate (and probably negative). This
3362 happens in object files when the .debug_line section is actually
3363 comprised of several different .debug_line.* sections, (some of
3364 which may be removed by linker garbage collection), and a relocation
3365 is used to compute the correct length once that is done. */
77145576 3366 if (reloc_at (section, (hdrptr - section->start) - linfo->li_offset_size))
b40bf0a2 3367 {
8fcc61b4 3368 linfo->li_length = (end - data) - initial_length_size;
b40bf0a2
NC		 3369 }
3370 else
3371 {
8fcc61b4
NC		 3372 warn (_("The length field (0x%lx) in the debug_line header is wrong - the section is too small\n"),
3373 (long) linfo->li_length);
b40bf0a2
NC		 3374 return NULL;
3375 }
f41e4712 3376 }
19e6b90e 3377
b40bf0a2
NC		 3378 /* Get and check the version number. */
3379 SAFE_BYTE_GET_AND_INC (linfo->li_version, hdrptr, 2, end);
3380
3381 if (linfo->li_version != 2
3382 && linfo->li_version != 3
77145576
JK		 3383 && linfo->li_version != 4
3384 && linfo->li_version != 5)
f41e4712 3385 {
77145576
JK		 3386 warn (_("Only DWARF version 2, 3, 4 and 5 line info "
3387 "is currently supported.\n"));
b40bf0a2 3388 return NULL;
f41e4712 3389 }
19e6b90e 3390
77145576
JK		 3391 if (linfo->li_version >= 5)
3392 {
3393 SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end);
3394
3395 SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end);
3396 if (segment_selector_size != 0)
3397 {
3398 warn (_("The %s section contains "
3399 "unsupported segment selector size: %d.\n"),
3400 section->name, segment_selector_size);
3401 return 0;
3402 }
3403 }
3404
3405 SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr,
3406 linfo->li_offset_size, end);
b40bf0a2 3407 SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end);
0c588247 3408
b40bf0a2 3409 if (linfo->li_version >= 4)
f41e4712 3410 {
b40bf0a2 3411 SAFE_BYTE_GET_AND_INC (linfo->li_max_ops_per_insn, hdrptr, 1, end);
0c588247 3412
b40bf0a2 3413 if (linfo->li_max_ops_per_insn == 0)
f41e4712
NC		 3414 {
3415 warn (_("Invalid maximum operations per insn.\n"));
b40bf0a2 3416 return NULL;
a233b20c 3417 }
f41e4712
NC		 3418 }
3419 else
b40bf0a2 3420 linfo->li_max_ops_per_insn = 1;
0c588247 3421
b40bf0a2 3422 SAFE_BYTE_GET_AND_INC (linfo->li_default_is_stmt, hdrptr, 1, end);
65879393 3423 SAFE_SIGNED_BYTE_GET_AND_INC (linfo->li_line_base, hdrptr, 1, end);
b40bf0a2
NC		 3424 SAFE_BYTE_GET_AND_INC (linfo->li_line_range, hdrptr, 1, end);
3425 SAFE_BYTE_GET_AND_INC (linfo->li_opcode_base, hdrptr, 1, end);
19e6b90e 3426
b40bf0a2 3427 * end_of_sequence = data + linfo->li_length + initial_length_size;
b4eb7656 3428 /* PR 17512: file:002-117414-0.004. */
6937bb54
NC		 3429 if (* end_of_sequence > end)
3430 {
4c219c2e
AM		 3431 warn (_("Line length %s extends beyond end of section\n"),
3432 dwarf_vmatoa ("u", linfo->li_length));
6937bb54
NC		 3433 * end_of_sequence = end;
3434 return NULL;
3435 }
3436
b40bf0a2
NC		 3437 return hdrptr;
3438}
19e6b90e 3439
77145576 3440static unsigned char *
dda8d76d
NC		 3441display_formatted_table (unsigned char * data,
3442 unsigned char * start,
3443 unsigned char * end,
3444 const DWARF2_Internal_LineInfo * linfo,
3445 struct dwarf_section * section,
7b8d9e8c 3446 bfd_boolean is_dir)
77145576
JK		 3447{
3448 unsigned char *format_start, format_count, *format, formati;
3449 dwarf_vma data_count, datai;
3450 unsigned int bytes_read, namepass, last_entry = 0;
3451
3452 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
3453 format_start = data;
3454 for (formati = 0; formati < format_count; formati++)
3455 {
3456 read_uleb128 (data, & bytes_read, end);
3457 data += bytes_read;
3458 read_uleb128 (data, & bytes_read, end);
3459 data += bytes_read;
3460 if (data == end)
3461 {
7b8d9e8c
AM		 3462 if (is_dir)
3463 warn (_("Corrupt directory format table entry\n"));
3464 else
3465 warn (_("Corrupt file name format table entry\n"));
77145576
JK		 3466 return data;
3467 }
3468 }
3469
3470 data_count = read_uleb128 (data, & bytes_read, end);
3471 data += bytes_read;
3472 if (data == end)
3473 {
7b8d9e8c
AM		 3474 if (is_dir)
3475 warn (_("Corrupt directory list\n"));
3476 else
3477 warn (_("Corrupt file name list\n"));
77145576
JK		 3478 return data;
3479 }
3480
3481 if (data_count == 0)
3482 {
7b8d9e8c
AM		 3483 if (is_dir)
3484 printf (_("\n The Directory Table is empty.\n"));
3485 else
3486 printf (_("\n The File Name Table is empty.\n"));
77145576
JK		 3487 return data;
3488 }
3489
7b8d9e8c
AM		 3490 if (is_dir)
3491 printf (_("\n The Directory Table (offset 0x%lx):\n"),
3492 (long) (data - start));
3493 else
3494 printf (_("\n The File Name Table (offset 0x%lx):\n"),
3495 (long) (data - start));
77145576
JK		 3496
3497 printf (_(" Entry"));
3498 /* Delay displaying name as the last entry for better screen layout. */
3499 for (namepass = 0; namepass < 2; namepass++)
3500 {
3501 format = format_start;
3502 for (formati = 0; formati < format_count; formati++)
3503 {
3504 dwarf_vma content_type;
3505
3506 content_type = read_uleb128 (format, & bytes_read, end);
3507 format += bytes_read;
3508 if ((content_type == DW_LNCT_path) == (namepass == 1))
3509 switch (content_type)
3510 {
3511 case DW_LNCT_path:
3512 printf (_("\tName"));
3513 break;
3514 case DW_LNCT_directory_index:
3515 printf (_("\tDir"));
3516 break;
3517 case DW_LNCT_timestamp:
3518 printf (_("\tTime"));
3519 break;
3520 case DW_LNCT_size:
3521 printf (_("\tSize"));
3522 break;
3523 case DW_LNCT_MD5:
3524 printf (_("\tMD5"));
3525 break;
3526 default:
3527 printf (_("\t(Unknown format content type %s)"),
3528 dwarf_vmatoa ("u", content_type));
3529 }
3530 read_uleb128 (format, & bytes_read, end);
3531 format += bytes_read;
3532 }
3533 }
3534 putchar ('\n');
3535
3536 for (datai = 0; datai < data_count; datai++)
3537 {
3538 unsigned char *datapass = data;
3539
3540 printf (" %d", last_entry++);
3541 /* Delay displaying name as the last entry for better screen layout. */
3542 for (namepass = 0; namepass < 2; namepass++)
3543 {
3544 format = format_start;
3545 data = datapass;
3546 for (formati = 0; formati < format_count; formati++)
3547 {
3548 dwarf_vma content_type, form;
3549
3550 content_type = read_uleb128 (format, & bytes_read, end);
3551 format += bytes_read;
3552 form = read_uleb128 (format, & bytes_read, end);
3553 format += bytes_read;
3554 data = read_and_display_attr_value (0, form, 0, data, end, 0, 0,
3555 linfo->li_offset_size,
3556 linfo->li_version, NULL,
3557 ((content_type == DW_LNCT_path) != (namepass == 1)),
3558 section, NULL, '\t');
3559 }
3560 }
3561 if (data == end)
3562 {
7b8d9e8c
AM		 3563 if (is_dir)
3564 warn (_("Corrupt directory entries list\n"));
3565 else
3566 warn (_("Corrupt file name entries list\n"));
77145576
JK		 3567 return data;
3568 }
3569 putchar ('\n');
3570 }
3571 return data;
3572}
3573
b40bf0a2 3574static int
dda8d76d
NC		 3575display_debug_lines_raw (struct dwarf_section * section,
3576 unsigned char * data,
3577 unsigned char * end,
3578 void * file)
b40bf0a2
NC		 3579{
3580 unsigned char *start = section->start;
ba8826a8 3581 int verbose_view = 0;
19e6b90e 3582
dda8d76d 3583 introduce (section, TRUE);
19e6b90e 3584
b40bf0a2
NC		 3585 while (data < end)
3586 {
3587 static DWARF2_Internal_LineInfo saved_linfo;
3588 DWARF2_Internal_LineInfo linfo;
3589 unsigned char *standard_opcodes;
3590 unsigned char *end_of_sequence;
fe59e83d 3591 int i;
19e6b90e 3592
4925cdd7
NC		 3593 if (const_strneq (section->name, ".debug_line.")
3594 /* Note: the following does not apply to .debug_line.dwo sections.
3595 These are full debug_line sections. */
3596 && strcmp (section->name, ".debug_line.dwo") != 0)
19e6b90e 3597 {
b40bf0a2
NC		 3598 /* Sections named .debug_line.<foo> are fragments of a .debug_line
3599 section containing just the Line Number Statements. They are
3600 created by the assembler and intended to be used alongside gcc's
3601 -ffunction-sections command line option. When the linker's
3602 garbage collection decides to discard a .text.<foo> section it
3603 can then also discard the line number information in .debug_line.<foo>.
3604
4925cdd7 3605 Since the section is a fragment it does not have the details
b40bf0a2 3606 needed to fill out a LineInfo structure, so instead we use the
4925cdd7 3607 details from the last full debug_line section that we processed. */
b40bf0a2
NC		 3608 end_of_sequence = end;
3609 standard_opcodes = NULL;
3610 linfo = saved_linfo;
058037d3
NC		 3611 /* PR 17531: file: 0522b371. */
3612 if (linfo.li_line_range == 0)
3613 {
1306a742 3614 warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n"));
058037d3
NC		 3615 return 0;
3616 }
b40bf0a2 3617 reset_state_machine (linfo.li_default_is_stmt);
19e6b90e 3618 }
19e6b90e
L		 3619 else
3620 {
b40bf0a2 3621 unsigned char * hdrptr;
19e6b90e 3622
b40bf0a2
NC		 3623 if ((hdrptr = read_debug_line_header (section, data, end, & linfo,
3624 & end_of_sequence)) == NULL)
3625 return 0;
19e6b90e 3626
b40bf0a2
NC		 3627 printf (_(" Offset: 0x%lx\n"), (long)(data - start));
3628 printf (_(" Length: %ld\n"), (long) linfo.li_length);
3629 printf (_(" DWARF Version: %d\n"), linfo.li_version);
77ef8654 3630 printf (_(" Prologue Length: %d\n"), (int) linfo.li_prologue_length);
b40bf0a2
NC		 3631 printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length);
3632 if (linfo.li_version >= 4)
3633 printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn);
3634 printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt);
3635 printf (_(" Line Base: %d\n"), linfo.li_line_base);
3636 printf (_(" Line Range: %d\n"), linfo.li_line_range);
3637 printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base);
19e6b90e 3638
0a9d414a
NC		 3639 /* PR 17512: file: 1665-6428-0.004. */
3640 if (linfo.li_line_range == 0)
3641 {
3642 warn (_("Line range of 0 is invalid, using 1 instead\n"));
3643 linfo.li_line_range = 1;
3644 }
77ef8654 3645
b40bf0a2 3646 reset_state_machine (linfo.li_default_is_stmt);
19e6b90e 3647
b40bf0a2
NC		 3648 /* Display the contents of the Opcodes table. */
3649 standard_opcodes = hdrptr;
19e6b90e 3650
6937bb54
NC		 3651 /* PR 17512: file: 002-417945-0.004. */
3652 if (standard_opcodes + linfo.li_opcode_base >= end)
3653 {
3654 warn (_("Line Base extends beyond end of section\n"));
3655 return 0;
3656 }
3657
b40bf0a2 3658 printf (_("\n Opcodes:\n"));
19e6b90e 3659
b40bf0a2 3660 for (i = 1; i < linfo.li_opcode_base; i++)
d3a49aa8
AM		 3661 printf (ngettext (" Opcode %d has %d arg\n",
3662 " Opcode %d has %d args\n",
3663 standard_opcodes[i - 1]),
3664 i, standard_opcodes[i - 1]);
19e6b90e 3665
b40bf0a2
NC		 3666 /* Display the contents of the Directory table. */
3667 data = standard_opcodes + linfo.li_opcode_base - 1;
19e6b90e 3668
77145576 3669 if (linfo.li_version >= 5)
b40bf0a2 3670 {
dda8d76d 3671 load_debug_section_with_follow (line_str, file);
19e6b90e 3672
77145576 3673 data = display_formatted_table (data, start, end, &linfo, section,
7b8d9e8c 3674 TRUE);
77145576 3675 data = display_formatted_table (data, start, end, &linfo, section,
7b8d9e8c 3676 FALSE);
77145576
JK		 3677 }
3678 else
3679 {
3680 if (*data == 0)
3681 printf (_("\n The Directory Table is empty.\n"));
3682 else
a233b20c 3683 {
77145576 3684 unsigned int last_dir_entry = 0;
6937bb54 3685
77145576
JK		 3686 printf (_("\n The Directory Table (offset 0x%lx):\n"),
3687 (long)(data - start));
19e6b90e 3688
77145576
JK		 3689 while (data < end && *data != 0)
3690 {
3691 printf (" %d\t%.*s\n", ++last_dir_entry, (int) (end - data), data);
19e6b90e 3692
77145576
JK		 3693 data += strnlen ((char *) data, end - data) + 1;
3694 }
19e6b90e 3695
77145576
JK		 3696 /* PR 17512: file: 002-132094-0.004. */
3697 if (data >= end - 1)
3698 break;
3699 }
19e6b90e 3700
77145576
JK		 3701 /* Skip the NUL at the end of the table. */
3702 data++;
19e6b90e 3703
77145576
JK		 3704 /* Display the contents of the File Name table. */
3705 if (*data == 0)
3706 printf (_("\n The File Name Table is empty.\n"));
3707 else
3708 {
3709 printf (_("\n The File Name Table (offset 0x%lx):\n"),
3710 (long)(data - start));
3711 printf (_(" Entry\tDir\tTime\tSize\tName\n"));
19e6b90e 3712
77145576 3713 while (data < end && *data != 0)
b40bf0a2 3714 {
77145576
JK		 3715 unsigned char *name;
3716 unsigned int bytes_read;
3717
3718 printf (" %d\t", ++state_machine_regs.last_file_entry);
3719 name = data;
3720 data += strnlen ((char *) data, end - data) + 1;
3721
3722 printf ("%s\t",
3723 dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
3724 data += bytes_read;
3725 printf ("%s\t",
3726 dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
3727 data += bytes_read;
3728 printf ("%s\t",
3729 dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end)));
3730 data += bytes_read;
3731 printf ("%.*s\n", (int)(end - name), name);
3732
3733 if (data == end)
3734 {
3735 warn (_("Corrupt file name table entry\n"));
3736 break;
3737 }
b40bf0a2 3738 }
a233b20c 3739 }
77145576
JK		 3740
3741 /* Skip the NUL at the end of the table. */
3742 data++;
b40bf0a2 3743 }
19e6b90e 3744
b40bf0a2
NC		 3745 putchar ('\n');
3746 saved_linfo = linfo;
3747 }
19e6b90e 3748
b40bf0a2
NC		 3749 /* Now display the statements. */
3750 if (data >= end_of_sequence)
3751 printf (_(" No Line Number Statements.\n"));
3752 else
3753 {
3754 printf (_(" Line Number Statements:\n"));
19e6b90e 3755
b40bf0a2
NC		 3756 while (data < end_of_sequence)
3757 {
3758 unsigned char op_code;
3759 dwarf_signed_vma adv;
3760 dwarf_vma uladv;
3761 unsigned int bytes_read;
19e6b90e 3762
fe59e83d
CC		 3763 printf (" [0x%08lx]", (long)(data - start));
3764
b40bf0a2 3765 op_code = *data++;
19e6b90e 3766
b40bf0a2 3767 if (op_code >= linfo.li_opcode_base)
19e6b90e 3768 {
b40bf0a2
NC		 3769 op_code -= linfo.li_opcode_base;
3770 uladv = (op_code / linfo.li_line_range);
3771 if (linfo.li_max_ops_per_insn == 1)
3772 {
3773 uladv *= linfo.li_min_insn_length;
3774 state_machine_regs.address += uladv;
ba8826a8
AO		 3775 if (uladv)
3776 state_machine_regs.view = 0;
b40bf0a2 3777 printf (_(" Special opcode %d: "
ba8826a8 3778 "advance Address by %s to 0x%s%s"),
b40bf0a2 3779 op_code, dwarf_vmatoa ("u", uladv),
ba8826a8
AO		 3780 dwarf_vmatoa ("x", state_machine_regs.address),
3781 verbose_view && uladv
3782 ? _(" (reset view)") : "");
b40bf0a2
NC		 3783 }
3784 else
3785 {
ba8826a8
AO		 3786 unsigned addrdelta
3787 = ((state_machine_regs.op_index + uladv)
b40bf0a2
NC		 3788 / linfo.li_max_ops_per_insn)
3789 * linfo.li_min_insn_length;
ba8826a8
AO		 3790
3791 state_machine_regs.address += addrdelta;
b40bf0a2
NC		 3792 state_machine_regs.op_index
3793 = (state_machine_regs.op_index + uladv)
3794 % linfo.li_max_ops_per_insn;
ba8826a8
AO		 3795 if (addrdelta)
3796 state_machine_regs.view = 0;
b40bf0a2 3797 printf (_(" Special opcode %d: "
ba8826a8 3798 "advance Address by %s to 0x%s[%d]%s"),
b40bf0a2
NC		 3799 op_code, dwarf_vmatoa ("u", uladv),
3800 dwarf_vmatoa ("x", state_machine_regs.address),
ba8826a8
AO		 3801 state_machine_regs.op_index,
3802 verbose_view && addrdelta
3803 ? _(" (reset view)") : "");
b40bf0a2
NC		 3804 }
3805 adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
3806 state_machine_regs.line += adv;
ba8826a8 3807 printf (_(" and Line by %s to %d"),
b40bf0a2 3808 dwarf_vmatoa ("d", adv), state_machine_regs.line);
ba8826a8
AO		 3809 if (verbose_view || state_machine_regs.view)
3810 printf (_(" (view %u)\n"), state_machine_regs.view);
3811 else
3812 putchar ('\n');
3813 state_machine_regs.view++;
19e6b90e 3814 }
b40bf0a2
NC		 3815 else switch (op_code)
3816 {
3817 case DW_LNS_extended_op:
3818 data += process_extended_line_op (data, linfo.li_default_is_stmt, end);
3819 break;
3820
3821 case DW_LNS_copy:
ba8826a8
AO		 3822 printf (_(" Copy"));
3823 if (verbose_view || state_machine_regs.view)
3824 printf (_(" (view %u)\n"), state_machine_regs.view);
3825 else
3826 putchar ('\n');
3827 state_machine_regs.view++;
b40bf0a2
NC		 3828 break;
3829
3830 case DW_LNS_advance_pc:
3831 uladv = read_uleb128 (data, & bytes_read, end);
3832 data += bytes_read;
3833 if (linfo.li_max_ops_per_insn == 1)
3834 {
3835 uladv *= linfo.li_min_insn_length;
3836 state_machine_regs.address += uladv;
ba8826a8
AO		 3837 if (uladv)
3838 state_machine_regs.view = 0;
3839 printf (_(" Advance PC by %s to 0x%s%s\n"),
b40bf0a2 3840 dwarf_vmatoa ("u", uladv),
ba8826a8
AO		 3841 dwarf_vmatoa ("x", state_machine_regs.address),
3842 verbose_view && uladv
3843 ? _(" (reset view)") : "");
b40bf0a2
NC		 3844 }
3845 else
3846 {
ba8826a8
AO		 3847 unsigned addrdelta
3848 = ((state_machine_regs.op_index + uladv)
3849 / linfo.li_max_ops_per_insn)
b40bf0a2 3850 * linfo.li_min_insn_length;
ba8826a8
AO		 3851 state_machine_regs.address
3852 += addrdelta;
b40bf0a2
NC		 3853 state_machine_regs.op_index
3854 = (state_machine_regs.op_index + uladv)
3855 % linfo.li_max_ops_per_insn;
ba8826a8
AO		 3856 if (addrdelta)
3857 state_machine_regs.view = 0;
3858 printf (_(" Advance PC by %s to 0x%s[%d]%s\n"),
b40bf0a2
NC		 3859 dwarf_vmatoa ("u", uladv),
3860 dwarf_vmatoa ("x", state_machine_regs.address),
ba8826a8
AO		 3861 state_machine_regs.op_index,
3862 verbose_view && addrdelta
3863 ? _(" (reset view)") : "");
b40bf0a2
NC		 3864 }
3865 break;
3866
3867 case DW_LNS_advance_line:
3868 adv = read_sleb128 (data, & bytes_read, end);
3869 data += bytes_read;
3870 state_machine_regs.line += adv;
3871 printf (_(" Advance Line by %s to %d\n"),
3872 dwarf_vmatoa ("d", adv),
3873 state_machine_regs.line);
3874 break;
3875
3876 case DW_LNS_set_file:
3877 adv = read_uleb128 (data, & bytes_read, end);
3878 data += bytes_read;
3879 printf (_(" Set File Name to entry %s in the File Name Table\n"),
3880 dwarf_vmatoa ("d", adv));
3881 state_machine_regs.file = adv;
3882 break;
3883
3884 case DW_LNS_set_column:
3885 uladv = read_uleb128 (data, & bytes_read, end);
3886 data += bytes_read;
3887 printf (_(" Set column to %s\n"),
3888 dwarf_vmatoa ("u", uladv));
3889 state_machine_regs.column = uladv;
3890 break;
3891
3892 case DW_LNS_negate_stmt:
3893 adv = state_machine_regs.is_stmt;
3894 adv = ! adv;
3895 printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv));
3896 state_machine_regs.is_stmt = adv;
3897 break;
3898
3899 case DW_LNS_set_basic_block:
3900 printf (_(" Set basic block\n"));
3901 state_machine_regs.basic_block = 1;
3902 break;
3903
3904 case DW_LNS_const_add_pc:
3905 uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
3906 if (linfo.li_max_ops_per_insn)
3907 {
3908 uladv *= linfo.li_min_insn_length;
3909 state_machine_regs.address += uladv;
ba8826a8
AO		 3910 if (uladv)
3911 state_machine_regs.view = 0;
3912 printf (_(" Advance PC by constant %s to 0x%s%s\n"),
b40bf0a2 3913 dwarf_vmatoa ("u", uladv),
ba8826a8
AO		 3914 dwarf_vmatoa ("x", state_machine_regs.address),
3915 verbose_view && uladv
3916 ? _(" (reset view)") : "");
b40bf0a2
NC		 3917 }
3918 else
3919 {
ba8826a8
AO		 3920 unsigned addrdelta
3921 = ((state_machine_regs.op_index + uladv)
3922 / linfo.li_max_ops_per_insn)
b40bf0a2 3923 * linfo.li_min_insn_length;
ba8826a8
AO		 3924 state_machine_regs.address
3925 += addrdelta;
b40bf0a2
NC		 3926 state_machine_regs.op_index
3927 = (state_machine_regs.op_index + uladv)
3928 % linfo.li_max_ops_per_insn;
ba8826a8
AO		 3929 if (addrdelta)
3930 state_machine_regs.view = 0;
3931 printf (_(" Advance PC by constant %s to 0x%s[%d]%s\n"),
b40bf0a2
NC		 3932 dwarf_vmatoa ("u", uladv),
3933 dwarf_vmatoa ("x", state_machine_regs.address),
ba8826a8
AO		 3934 state_machine_regs.op_index,
3935 verbose_view && addrdelta
3936 ? _(" (reset view)") : "");
b40bf0a2
NC		 3937 }
3938 break;
3939
3940 case DW_LNS_fixed_advance_pc:
3941 SAFE_BYTE_GET_AND_INC (uladv, data, 2, end);
3942 state_machine_regs.address += uladv;
3943 state_machine_regs.op_index = 0;
3944 printf (_(" Advance PC by fixed size amount %s to 0x%s\n"),
3945 dwarf_vmatoa ("u", uladv),
3946 dwarf_vmatoa ("x", state_machine_regs.address));
ba8826a8 3947 /* Do NOT reset view. */
b40bf0a2
NC		 3948 break;
3949
3950 case DW_LNS_set_prologue_end:
3951 printf (_(" Set prologue_end to true\n"));
3952 break;
3953
3954 case DW_LNS_set_epilogue_begin:
3955 printf (_(" Set epilogue_begin to true\n"));
3956 break;
3957
3958 case DW_LNS_set_isa:
3959 uladv = read_uleb128 (data, & bytes_read, end);
3960 data += bytes_read;
3961 printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv));
3962 break;
3963
3964 default:
3965 printf (_(" Unknown opcode %d with operands: "), op_code);
3966
3967 if (standard_opcodes != NULL)
3968 for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
3969 {
3970 printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data,
3971 &bytes_read, end)),
3972 i == 1 ? "" : ", ");
3973 data += bytes_read;
3974 }
3975 putchar ('\n');
3976 break;
3977 }
19e6b90e 3978 }
b40bf0a2 3979 putchar ('\n');
19e6b90e 3980 }
19e6b90e
L		 3981 }
3982
3983 return 1;
3984}
3985
a262ae96
NC		 3986typedef struct
3987{
467c65bc
NC		 3988 unsigned char *name;
3989 unsigned int directory_index;
3990 unsigned int modification_date;
3991 unsigned int length;
a262ae96
NC		 3992} File_Entry;
3993
3994/* Output a decoded representation of the .debug_line section. */
3995
3996static int
dda8d76d
NC		 3997display_debug_lines_decoded (struct dwarf_section * section,
3998 unsigned char * data,
3999 unsigned char * end,
4000 void * fileptr)
a262ae96 4001{
b40bf0a2
NC		 4002 static DWARF2_Internal_LineInfo saved_linfo;
4003
dda8d76d 4004 introduce (section, FALSE);
a262ae96
NC		 4005
4006 while (data < end)
4007 {
4008 /* This loop amounts to one iteration per compilation unit. */
91d6fa6a 4009 DWARF2_Internal_LineInfo linfo;
a262ae96
NC		 4010 unsigned char *standard_opcodes;
4011 unsigned char *end_of_sequence;
a262ae96
NC		 4012 int i;
4013 File_Entry *file_table = NULL;
143a3db0 4014 unsigned int n_files = 0;
a262ae96 4015 unsigned char **directory_table = NULL;
77145576 4016 dwarf_vma n_directories = 0;
a262ae96 4017
4925cdd7
NC		 4018 if (const_strneq (section->name, ".debug_line.")
4019 /* Note: the following does not apply to .debug_line.dwo sections.
4020 These are full debug_line sections. */
4021 && strcmp (section->name, ".debug_line.dwo") != 0)
b4eb7656 4022 {
4925cdd7 4023 /* See comment in display_debug_lines_raw(). */
b40bf0a2
NC		 4024 end_of_sequence = end;
4025 standard_opcodes = NULL;
4026 linfo = saved_linfo;
058037d3
NC		 4027 /* PR 17531: file: 0522b371. */
4028 if (linfo.li_line_range == 0)
4029 {
1306a742 4030 warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n"));
058037d3
NC		 4031 return 0;
4032 }
b40bf0a2 4033 reset_state_machine (linfo.li_default_is_stmt);
b4eb7656 4034 }
a262ae96 4035 else
b4eb7656 4036 {
b40bf0a2 4037 unsigned char *hdrptr;
a262ae96 4038
b40bf0a2
NC		 4039 if ((hdrptr = read_debug_line_header (section, data, end, & linfo,
4040 & end_of_sequence)) == NULL)
a233b20c 4041 return 0;
0c588247 4042
058037d3
NC		 4043 /* PR 17531: file: 0522b371. */
4044 if (linfo.li_line_range == 0)
4045 {
4046 warn (_("Line range of 0 is invalid, using 1 instead\n"));
4047 linfo.li_line_range = 1;
4048 }
b40bf0a2 4049 reset_state_machine (linfo.li_default_is_stmt);
a262ae96 4050
b40bf0a2
NC		 4051 /* Save a pointer to the contents of the Opcodes table. */
4052 standard_opcodes = hdrptr;
a262ae96 4053
b40bf0a2
NC		 4054 /* Traverse the Directory table just to count entries. */
4055 data = standard_opcodes + linfo.li_opcode_base - 1;
d8024a91
NC		 4056 /* PR 20440 */
4057 if (data >= end)
4058 {
4059 warn (_("opcode base of %d extends beyond end of section\n"),
4060 linfo.li_opcode_base);
4061 return 0;
4062 }
4063
77145576 4064 if (linfo.li_version >= 5)
b40bf0a2 4065 {
77145576
JK		 4066 unsigned char *format_start, format_count, *format;
4067 dwarf_vma formati, entryi;
4068 unsigned int bytes_read;
a262ae96 4069
dda8d76d 4070 load_debug_section_with_follow (line_str, fileptr);
77145576
JK		 4071
4072 /* Skip directories format. */
4073 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
4074 format_start = data;
4075 for (formati = 0; formati < format_count; formati++)
b40bf0a2 4076 {
77145576
JK		 4077 read_uleb128 (data, & bytes_read, end);
4078 data += bytes_read;
4079 read_uleb128 (data, & bytes_read, end);
4080 data += bytes_read;
b40bf0a2 4081 }
a262ae96 4082
77145576
JK		 4083 n_directories = read_uleb128 (data, & bytes_read, end);
4084 data += bytes_read;
4085 if (data == end)
d8024a91 4086 {
77145576 4087 warn (_("Corrupt directories list\n"));
d8024a91
NC		 4088 break;
4089 }
4090
b40bf0a2
NC		 4091 directory_table = (unsigned char **)
4092 xmalloc (n_directories * sizeof (unsigned char *));
a262ae96 4093
77145576 4094 for (entryi = 0; entryi < n_directories; entryi++)
b40bf0a2 4095 {
77145576 4096 unsigned char **pathp = &directory_table[entryi];
a262ae96 4097
77145576
JK		 4098 format = format_start;
4099 for (formati = 0; formati < format_count; formati++)
4100 {
4101 dwarf_vma content_type, form;
4102 dwarf_vma uvalue;
4103
4104 content_type = read_uleb128 (format, & bytes_read, end);
4105 format += bytes_read;
4106 form = read_uleb128 (format, & bytes_read, end);
4107 format += bytes_read;
4108 if (data == end)
4109 {
4110 warn (_("Corrupt directories list\n"));
4111 break;
4112 }
4113 switch (content_type)
4114 {
4115 case DW_LNCT_path:
4116 switch (form)
4117 {
4118 case DW_FORM_string:
4119 *pathp = data;
4120 break;
4121 case DW_FORM_line_strp:
4122 SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size,
4123 end);
4124 /* Remove const by the cast. */
4125 *pathp = (unsigned char *)
4126 fetch_indirect_line_string (uvalue);
4127 break;
4128 }
4129 break;
4130 }
4131 data = read_and_display_attr_value (0, form, 0, data, end,
4132 0, 0,
4133 linfo.li_offset_size,
4134 linfo.li_version,
4135 NULL, 1, section,
4136 NULL, '\t');
4137 }
4138 if (data == end)
4139 {
4140 warn (_("Corrupt directories list\n"));
4141 break;
4142 }
4143 }
a262ae96 4144
77145576
JK		 4145 /* Skip files format. */
4146 SAFE_BYTE_GET_AND_INC (format_count, data, 1, end);
4147 format_start = data;
4148 for (formati = 0; formati < format_count; formati++)
b40bf0a2 4149 {
b40bf0a2
NC		 4150 read_uleb128 (data, & bytes_read, end);
4151 data += bytes_read;
4152 read_uleb128 (data, & bytes_read, end);
4153 data += bytes_read;
b40bf0a2 4154 }
a262ae96 4155
77145576
JK		 4156 n_files = read_uleb128 (data, & bytes_read, end);
4157 data += bytes_read;
4158 if (data == end)
d8024a91 4159 {
77145576 4160 warn (_("Corrupt file name list\n"));
d8024a91
NC		 4161 break;
4162 }
4163
77145576
JK		 4164 file_table = (File_Entry *) xcalloc (1, n_files
4165 * sizeof (File_Entry));
a262ae96 4166
77145576 4167 for (entryi = 0; entryi < n_files; entryi++)
b40bf0a2 4168 {
77145576 4169 File_Entry *file = &file_table[entryi];
a262ae96 4170
77145576
JK		 4171 format = format_start;
4172 for (formati = 0; formati < format_count; formati++)
4173 {
4174 dwarf_vma content_type, form;
4175 dwarf_vma uvalue;
4176
4177 content_type = read_uleb128 (format, & bytes_read, end);
4178 format += bytes_read;
4179 form = read_uleb128 (format, & bytes_read, end);
4180 format += bytes_read;
4181 if (data == end)
4182 {
4183 warn (_("Corrupt file name list\n"));
4184 break;
4185 }
4186 switch (content_type)
4187 {
4188 case DW_LNCT_path:
4189 switch (form)
4190 {
4191 case DW_FORM_string:
4192 file->name = data;
4193 break;
4194 case DW_FORM_line_strp:
4195 SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size,
4196 end);
4197 /* Remove const by the cast. */
4198 file->name = (unsigned char *)
4199 fetch_indirect_line_string (uvalue);
4200 break;
4201 }
4202 break;
4203 case DW_LNCT_directory_index:
4204 switch (form)
4205 {
4206 case DW_FORM_data1:
4207 SAFE_BYTE_GET (file->directory_index, data, 1,
4208 end);
4209 break;
4210 case DW_FORM_data2:
4211 SAFE_BYTE_GET (file->directory_index, data, 2,
4212 end);
4213 break;
4214 case DW_FORM_udata:
4215 file->directory_index = read_uleb128 (data, NULL,
4216 end);
4217 break;
4218 }
4219 break;
4220 }
4221 data = read_and_display_attr_value (0, form, 0, data, end,
4222 0, 0,
4223 linfo.li_offset_size,
4224 linfo.li_version,
4225 NULL, 1, section,
4226 NULL, '\t');
4227 }
4228 if (data == end)
4229 {
4230 warn (_("Corrupt file name list\n"));
4231 break;
4232 }
4233 }
4234 }
4235 else
4236 {
4237 if (*data != 0)
b40bf0a2 4238 {
77145576
JK		 4239 unsigned char *ptr_directory_table = data;
4240
4241 while (data < end && *data != 0)
4242 {
4243 data += strnlen ((char *) data, end - data) + 1;
4244 n_directories++;
4245 }
4246
4247 /* PR 20440 */
4248 if (data >= end)
4249 {
4250 warn (_("directory table ends unexpectedly\n"));
4251 n_directories = 0;
4252 break;
4253 }
4254
4255 /* Go through the directory table again to save the directories. */
4256 directory_table = (unsigned char **)
4257 xmalloc (n_directories * sizeof (unsigned char *));
4258
4259 i = 0;
4260 while (*ptr_directory_table != 0)
4261 {
4262 directory_table[i] = ptr_directory_table;
4263 ptr_directory_table += strnlen ((char *) ptr_directory_table,
4264 ptr_directory_table - end) + 1;
4265 i++;
4266 }
b40bf0a2 4267 }
77145576
JK		 4268 /* Skip the NUL at the end of the table. */
4269 data++;
4270
4271 /* Traverse the File Name table just to count the entries. */
4272 if (data < end && *data != 0)
b40bf0a2 4273 {
77145576
JK		 4274 unsigned char *ptr_file_name_table = data;
4275
4276 while (data < end && *data != 0)
db9537d2 4277 {
77145576
JK		 4278 unsigned int bytes_read;
4279
4280 /* Skip Name, directory index, last modification time and length
4281 of file. */
4282 data += strnlen ((char *) data, end - data) + 1;
4283 read_uleb128 (data, & bytes_read, end);
4284 data += bytes_read;
4285 read_uleb128 (data, & bytes_read, end);
4286 data += bytes_read;
4287 read_uleb128 (data, & bytes_read, end);
4288 data += bytes_read;
4289
4290 n_files++;
db9537d2 4291 }
a262ae96 4292
77145576
JK		 4293 if (data >= end)
4294 {
4295 warn (_("file table ends unexpectedly\n"));
4296 n_files = 0;
4297 break;
4298 }
4299
4300 /* Go through the file table again to save the strings. */
4301 file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry));
0c588247 4302
77145576
JK		 4303 i = 0;
4304 while (*ptr_file_name_table != 0)
4305 {
4306 unsigned int bytes_read;
4307
4308 file_table[i].name = ptr_file_name_table;
4309 ptr_file_name_table += strnlen ((char *) ptr_file_name_table,
4310 end - ptr_file_name_table) + 1;
4311
4312 /* We are not interested in directory, time or size. */
4313 file_table[i].directory_index = read_uleb128 (ptr_file_name_table,
4314 & bytes_read, end);
4315 ptr_file_name_table += bytes_read;
4316 file_table[i].modification_date = read_uleb128 (ptr_file_name_table,
4317 & bytes_read, end);
4318 ptr_file_name_table += bytes_read;
4319 file_table[i].length = read_uleb128 (ptr_file_name_table, & bytes_read, end);
4320 ptr_file_name_table += bytes_read;
4321 i++;
4322 }
4323 i = 0;
b40bf0a2 4324 }
77145576
JK		 4325
4326 /* Skip the NUL at the end of the table. */
4327 data++;
b40bf0a2 4328 }
cc5914eb 4329
77145576 4330 /* Print the Compilation Unit's name and a header. */
f082820d
AM		 4331 if (file_table == NULL)
4332 ;
4333 else if (directory_table == NULL)
4334 printf (_("CU: %s:\n"), file_table[0].name);
77145576
JK		 4335 else
4336 {
4337 unsigned int ix = file_table[0].directory_index;
4338 const char *directory;
4339
4340 if (ix == 0)
4341 directory = ".";
4342 /* PR 20439 */
4343 else if (n_directories == 0)
4344 directory = _("<unknown>");
4345 else if (ix > n_directories)
4346 {
4347 warn (_("directory index %u > number of directories %s\n"),
4348 ix, dwarf_vmatoa ("u", n_directories));
4349 directory = _("<corrupt>");
4350 }
4351 else
4352 directory = (char *) directory_table[ix - 1];
4353
4354 if (do_wide || strlen (directory) < 76)
4355 printf (_("CU: %s/%s:\n"), directory, file_table[0].name);
4356 else
4357 printf ("%s:\n", file_table[0].name);
77145576 4358 }
a262ae96 4359
ba8826a8 4360 printf (_("File name Line number Starting address View\n"));
b40bf0a2
NC		 4361 saved_linfo = linfo;
4362 }
a262ae96
NC		 4363
4364 /* This loop iterates through the Dwarf Line Number Program. */
4365 while (data < end_of_sequence)
b4eb7656 4366 {
a262ae96 4367 unsigned char op_code;
ba8826a8 4368 int xop;
b4eb7656
AM		 4369 int adv;
4370 unsigned long int uladv;
4371 unsigned int bytes_read;
4372 int is_special_opcode = 0;
a262ae96 4373
b4eb7656 4374 op_code = *data++;
ba8826a8 4375 xop = op_code;
a262ae96 4376
b4eb7656 4377 if (op_code >= linfo.li_opcode_base)
a262ae96 4378 {
91d6fa6a 4379 op_code -= linfo.li_opcode_base;
a233b20c
JJ		 4380 uladv = (op_code / linfo.li_line_range);
4381 if (linfo.li_max_ops_per_insn == 1)
4382 {
4383 uladv *= linfo.li_min_insn_length;
4384 state_machine_regs.address += uladv;
ba8826a8
AO		 4385 if (uladv)
4386 state_machine_regs.view = 0;
a233b20c
JJ		 4387 }
4388 else
4389 {
ba8826a8
AO		 4390 unsigned addrdelta
4391 = ((state_machine_regs.op_index + uladv)
4392 / linfo.li_max_ops_per_insn)
b40bf0a2 4393 * linfo.li_min_insn_length;
ba8826a8
AO		 4394 state_machine_regs.address
4395 += addrdelta;
a233b20c
JJ		 4396 state_machine_regs.op_index
4397 = (state_machine_regs.op_index + uladv)
b40bf0a2 4398 % linfo.li_max_ops_per_insn;
ba8826a8
AO		 4399 if (addrdelta)
4400 state_machine_regs.view = 0;
a233b20c 4401 }
a262ae96 4402
b4eb7656
AM		 4403 adv = (op_code % linfo.li_line_range) + linfo.li_line_base;
4404 state_machine_regs.line += adv;
4405 is_special_opcode = 1;
ba8826a8 4406 /* Increment view after printing this row. */
b4eb7656
AM		 4407 }
4408 else switch (op_code)
b40bf0a2
NC		 4409 {
4410 case DW_LNS_extended_op:
4411 {
4412 unsigned int ext_op_code_len;
4413 unsigned char ext_op_code;
4414 unsigned char *op_code_data = data;
4415
4416 ext_op_code_len = read_uleb128 (op_code_data, &bytes_read,
4417 end_of_sequence);
4418 op_code_data += bytes_read;
4419
4420 if (ext_op_code_len == 0)
4421 {
f41e4712 4422 warn (_("Badly formed extended line op encountered!\n"));
b40bf0a2
NC		 4423 break;
4424 }
4425 ext_op_code_len += bytes_read;
4426 ext_op_code = *op_code_data++;
ba8826a8
AO		 4427 xop = ext_op_code;
4428 xop = -xop;
b40bf0a2
NC		 4429
4430 switch (ext_op_code)
4431 {
4432 case DW_LNE_end_sequence:
ba8826a8 4433 /* Reset stuff after printing this row. */
b40bf0a2
NC		 4434 break;
4435 case DW_LNE_set_address:
4436 SAFE_BYTE_GET_AND_INC (state_machine_regs.address,
87bc83b3
CC		 4437 op_code_data,
4438 ext_op_code_len - bytes_read - 1,
b40bf0a2
NC		 4439 end);
4440 state_machine_regs.op_index = 0;
ba8826a8 4441 state_machine_regs.view = 0;
b40bf0a2
NC		 4442 break;
4443 case DW_LNE_define_file:
4444 {
4445 file_table = (File_Entry *) xrealloc
4446 (file_table, (n_files + 1) * sizeof (File_Entry));
4447
4448 ++state_machine_regs.last_file_entry;
4449 /* Source file name. */
4450 file_table[n_files].name = op_code_data;
4451 op_code_data += strlen ((char *) op_code_data) + 1;
4452 /* Directory index. */
4453 file_table[n_files].directory_index =
4454 read_uleb128 (op_code_data, & bytes_read,
4455 end_of_sequence);
4456 op_code_data += bytes_read;
4457 /* Last modification time. */
4458 file_table[n_files].modification_date =
4459 read_uleb128 (op_code_data, & bytes_read,
4460 end_of_sequence);
4461 op_code_data += bytes_read;
4462 /* File length. */
4463 file_table[n_files].length =
4464 read_uleb128 (op_code_data, & bytes_read,
4465 end_of_sequence);
4466
4467 n_files++;
4468 break;
4469 }
4470 case DW_LNE_set_discriminator:
4471 case DW_LNE_HP_set_sequence:
4472 /* Simply ignored. */
4473 break;
4474
4475 default:
4476 printf (_("UNKNOWN (%u): length %d\n"),
4477 ext_op_code, ext_op_code_len - bytes_read);
4478 break;
4479 }
4480 data += ext_op_code_len;
4481 break;
4482 }
4483 case DW_LNS_copy:
ba8826a8 4484 /* Increment view after printing this row. */
b40bf0a2
NC		 4485 break;
4486
4487 case DW_LNS_advance_pc:
4488 uladv = read_uleb128 (data, & bytes_read, end);
4489 data += bytes_read;
4490 if (linfo.li_max_ops_per_insn == 1)
4491 {
4492 uladv *= linfo.li_min_insn_length;
4493 state_machine_regs.address += uladv;
ba8826a8
AO		 4494 if (uladv)
4495 state_machine_regs.view = 0;
b40bf0a2
NC		 4496 }
4497 else
4498 {
ba8826a8
AO		 4499 unsigned addrdelta
4500 = ((state_machine_regs.op_index + uladv)
4501 / linfo.li_max_ops_per_insn)
b40bf0a2 4502 * linfo.li_min_insn_length;
ba8826a8
AO		 4503 state_machine_regs.address
4504 += addrdelta;
b40bf0a2
NC		 4505 state_machine_regs.op_index
4506 = (state_machine_regs.op_index + uladv)
4507 % linfo.li_max_ops_per_insn;
ba8826a8
AO		 4508 if (addrdelta)
4509 state_machine_regs.view = 0;
b40bf0a2
NC		 4510 }
4511 break;
4512
4513 case DW_LNS_advance_line:
4514 adv = read_sleb128 (data, & bytes_read, end);
4515 data += bytes_read;
4516 state_machine_regs.line += adv;
4517 break;
4518
4519 case DW_LNS_set_file:
4520 adv = read_uleb128 (data, & bytes_read, end);
4521 data += bytes_read;
4522 state_machine_regs.file = adv;
4523
db9537d2
NC		 4524 {
4525 unsigned file = state_machine_regs.file - 1;
4526 unsigned dir;
4527
4528 if (file_table == NULL || n_files == 0)
4529 printf (_("\n [Use file table entry %d]\n"), file);
4530 /* PR 20439 */
4531 else if (file >= n_files)
4532 {
4533 warn (_("file index %u > number of files %u\n"), file + 1, n_files);
4534 printf (_("\n <over large file table index %u>"), file);
4535 }
4536 else if ((dir = file_table[file].directory_index) == 0)
4537 /* If directory index is 0, that means current directory. */
4538 printf ("\n./%s:[++]\n", file_table[file].name);
4539 else if (directory_table == NULL || n_directories == 0)
4540 printf (_("\n [Use file %s in directory table entry %d]\n"),
4541 file_table[file].name, dir);
4542 /* PR 20439 */
4543 else if (dir > n_directories)
4544 {
77145576
JK		 4545 warn (_("directory index %u > number of directories %s\n"),
4546 dir, dwarf_vmatoa ("u", n_directories));
db9537d2
NC		 4547 printf (_("\n <over large directory table entry %u>\n"), dir);
4548 }
4549 else
4550 printf ("\n%s/%s:\n",
4551 /* The directory index starts counting at 1. */
4552 directory_table[dir - 1], file_table[file].name);
4553 }
b40bf0a2
NC		 4554 break;
4555
4556 case DW_LNS_set_column:
4557 uladv = read_uleb128 (data, & bytes_read, end);
4558 data += bytes_read;
4559 state_machine_regs.column = uladv;
4560 break;
4561
4562 case DW_LNS_negate_stmt:
4563 adv = state_machine_regs.is_stmt;
4564 adv = ! adv;
4565 state_machine_regs.is_stmt = adv;
4566 break;
4567
4568 case DW_LNS_set_basic_block:
4569 state_machine_regs.basic_block = 1;
4570 break;
4571
4572 case DW_LNS_const_add_pc:
4573 uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range);
4574 if (linfo.li_max_ops_per_insn == 1)
4575 {
4576 uladv *= linfo.li_min_insn_length;
4577 state_machine_regs.address += uladv;
ba8826a8
AO		 4578 if (uladv)
4579 state_machine_regs.view = 0;
b40bf0a2
NC		 4580 }
4581 else
4582 {
ba8826a8
AO		 4583 unsigned addrdelta
4584 = ((state_machine_regs.op_index + uladv)
4585 / linfo.li_max_ops_per_insn)
b40bf0a2 4586 * linfo.li_min_insn_length;
ba8826a8
AO		 4587 state_machine_regs.address
4588 += addrdelta;
b40bf0a2
NC		 4589 state_machine_regs.op_index
4590 = (state_machine_regs.op_index + uladv)
4591 % linfo.li_max_ops_per_insn;
ba8826a8
AO		 4592 if (addrdelta)
4593 state_machine_regs.view = 0;
b40bf0a2
NC		 4594 }
4595 break;
4596
4597 case DW_LNS_fixed_advance_pc:
4598 SAFE_BYTE_GET_AND_INC (uladv, data, 2, end);
4599 state_machine_regs.address += uladv;
4600 state_machine_regs.op_index = 0;
ba8826a8 4601 /* Do NOT reset view. */
b40bf0a2
NC		 4602 break;
4603
4604 case DW_LNS_set_prologue_end:
4605 break;
4606
4607 case DW_LNS_set_epilogue_begin:
4608 break;
4609
4610 case DW_LNS_set_isa:
4611 uladv = read_uleb128 (data, & bytes_read, end);
4612 data += bytes_read;
4613 printf (_(" Set ISA to %lu\n"), uladv);
4614 break;
4615
4616 default:
4617 printf (_(" Unknown opcode %d with operands: "), op_code);
4618
4619 if (standard_opcodes != NULL)
4620 for (i = standard_opcodes[op_code - 1]; i > 0 ; --i)
4621 {
4622 printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data,
4623 &bytes_read, end)),
4624 i == 1 ? "" : ", ");
4625 data += bytes_read;
4626 }
4627 putchar ('\n');
4628 break;
4629 }
a262ae96 4630
b4eb7656
AM		 4631 /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row
4632 to the DWARF address/line matrix. */
ba8826a8
AO		 4633 if ((is_special_opcode) || (xop == -DW_LNE_end_sequence)
4634 || (xop == DW_LNS_copy))
b4eb7656
AM		 4635 {
4636 const unsigned int MAX_FILENAME_LENGTH = 35;
4637 char *fileName;
4638 char *newFileName = NULL;
4639 size_t fileNameLength;
b40bf0a2
NC		 4640
4641 if (file_table)
db9537d2
NC		 4642 {
4643 unsigned indx = state_machine_regs.file - 1;
4644 /* PR 20439 */
4645 if (indx >= n_files)
4646 {
4647 warn (_("corrupt file index %u encountered\n"), indx);
4648 fileName = _("<corrupt>");
4649 }
4650 else
4651 fileName = (char *) file_table[indx].name;
4652 }
b40bf0a2 4653 else
db9537d2 4654 fileName = _("<unknown>");
b40bf0a2
NC		 4655
4656 fileNameLength = strlen (fileName);
a262ae96 4657
b4eb7656
AM		 4658 if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide))
4659 {
4660 newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1);
4661 /* Truncate file name */
4662 strncpy (newFileName,
4663 fileName + fileNameLength - MAX_FILENAME_LENGTH,
4664 MAX_FILENAME_LENGTH + 1);
4665 }
4666 else
4667 {
4668 newFileName = (char *) xmalloc (fileNameLength + 1);
4669 strncpy (newFileName, fileName, fileNameLength + 1);
4670 }
4671
4672 if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH))
4673 {
a233b20c 4674 if (linfo.li_max_ops_per_insn == 1)
ba8826a8 4675 printf ("%-35s %11d %#18" DWARF_VMA_FMT "x",
467c65bc 4676 newFileName, state_machine_regs.line,
a233b20c
JJ		 4677 state_machine_regs.address);
4678 else
ba8826a8 4679 printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]",
467c65bc 4680 newFileName, state_machine_regs.line,
a233b20c
JJ		 4681 state_machine_regs.address,
4682 state_machine_regs.op_index);
b4eb7656
AM		 4683 }
4684 else
4685 {
a233b20c 4686 if (linfo.li_max_ops_per_insn == 1)
ba8826a8 4687 printf ("%s %11d %#18" DWARF_VMA_FMT "x",
467c65bc 4688 newFileName, state_machine_regs.line,
a233b20c
JJ		 4689 state_machine_regs.address);
4690 else
ba8826a8 4691 printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]",
467c65bc 4692 newFileName, state_machine_regs.line,
a233b20c
JJ		 4693 state_machine_regs.address,
4694 state_machine_regs.op_index);
b4eb7656 4695 }
a262ae96 4696
ba8826a8
AO		 4697 if (state_machine_regs.view)
4698 printf (" %6u\n", state_machine_regs.view);
4699 else
4700 putchar ('\n');
4701 state_machine_regs.view++;
4702
4703 if (xop == -DW_LNE_end_sequence)
4704 {
4705 reset_state_machine (linfo.li_default_is_stmt);
4706 putchar ('\n');
4707 }
a262ae96 4708
b4eb7656
AM		 4709 free (newFileName);
4710 }
4711 }
b40bf0a2
NC		 4712
4713 if (file_table)
4714 {
4715 free (file_table);
4716 file_table = NULL;
4717 n_files = 0;
4718 }
4719
4720 if (directory_table)
4721 {
4722 free (directory_table);
4723 directory_table = NULL;
4724 n_directories = 0;
4725 }
4726
a262ae96
NC		 4727 putchar ('\n');
4728 }
4729
4730 return 1;
4731}
4732
4733static int
77145576 4734display_debug_lines (struct dwarf_section *section, void *file)
a262ae96
NC		 4735{
4736 unsigned char *data = section->start;
4737 unsigned char *end = data + section->size;
4cb93e3b
TG		 4738 int retValRaw = 1;
4739 int retValDecoded = 1;
a262ae96 4740
008f4c78
NC		 4741 if (do_debug_lines == 0)
4742 do_debug_lines |= FLAG_DEBUG_LINES_RAW;
4743
4cb93e3b 4744 if (do_debug_lines & FLAG_DEBUG_LINES_RAW)
77145576 4745 retValRaw = display_debug_lines_raw (section, data, end, file);
a262ae96 4746
4cb93e3b 4747 if (do_debug_lines & FLAG_DEBUG_LINES_DECODED)
77145576 4748 retValDecoded = display_debug_lines_decoded (section, data, end, file);
a262ae96 4749
4cb93e3b 4750 if (!retValRaw || !retValDecoded)
a262ae96
NC		 4751 return 0;
4752
4753 return 1;
4754}
4755
6e3d6dc1
NC		 4756static debug_info *
4757find_debug_info_for_offset (unsigned long offset)
4758{
4759 unsigned int i;
4760
4761 if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE)
4762 return NULL;
4763
4764 for (i = 0; i < num_debug_info_entries; i++)
4765 if (debug_information[i].cu_offset == offset)
4766 return debug_information + i;
4767
4768 return NULL;
4769}
4770
459d52c8
DE		 4771static const char *
4772get_gdb_index_symbol_kind_name (gdb_index_symbol_kind kind)
4773{
4774 /* See gdb/gdb-index.h. */
4775 static const char * const kinds[] =
4776 {
4777 N_ ("no info"),
4778 N_ ("type"),
4779 N_ ("variable"),
4780 N_ ("function"),
4781 N_ ("other"),
4782 N_ ("unused5"),
4783 N_ ("unused6"),
4784 N_ ("unused7")
4785 };
4786
4787 return _ (kinds[kind]);
4788}
4789
19e6b90e 4790static int
459d52c8
DE		 4791display_debug_pubnames_worker (struct dwarf_section *section,
4792 void *file ATTRIBUTE_UNUSED,
4793 int is_gnu)
19e6b90e 4794{
91d6fa6a 4795 DWARF2_Internal_PubNames names;
19e6b90e
L		 4796 unsigned char *start = section->start;
4797 unsigned char *end = start + section->size;
4798
6e3d6dc1
NC		 4799 /* It does not matter if this load fails,
4800 we test for that later on. */
4801 load_debug_info (file);
4802
dda8d76d 4803 introduce (section, FALSE);
19e6b90e
L		 4804
4805 while (start < end)
4806 {
4807 unsigned char *data;
e98fdf1a 4808 unsigned long sec_off;
bf5117e3 4809 unsigned int offset_size, initial_length_size;
19e6b90e 4810
e98fdf1a 4811 SAFE_BYTE_GET_AND_INC (names.pn_length, start, 4, end);
91d6fa6a 4812 if (names.pn_length == 0xffffffff)
19e6b90e 4813 {
e98fdf1a 4814 SAFE_BYTE_GET_AND_INC (names.pn_length, start, 8, end);
19e6b90e
L		 4815 offset_size = 8;
4816 initial_length_size = 12;
4817 }
4818 else
4819 {
4820 offset_size = 4;
4821 initial_length_size = 4;
4822 }
4823
e98fdf1a
AM		 4824 sec_off = start - section->start;
4825 if (sec_off + names.pn_length < sec_off
4826 || sec_off + names.pn_length > section->size)
4827 {
4828 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
4829 section->name,
4830 sec_off - initial_length_size,
4831 dwarf_vmatoa ("x", names.pn_length));
4832 break;
4833 }
4834
4835 data = start;
4836 start += names.pn_length;
4837
0c588247
NC		 4838 SAFE_BYTE_GET_AND_INC (names.pn_version, data, 2, end);
4839 SAFE_BYTE_GET_AND_INC (names.pn_offset, data, offset_size, end);
6e3d6dc1
NC		 4840
4841 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
4842 && num_debug_info_entries > 0
91d6fa6a 4843 && find_debug_info_for_offset (names.pn_offset) == NULL)
6e3d6dc1 4844 warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
47704ddf 4845 (unsigned long) names.pn_offset, section->name);
cecf136e 4846
0c588247 4847 SAFE_BYTE_GET_AND_INC (names.pn_size, data, offset_size, end);
19e6b90e 4848
058037d3
NC		 4849 printf (_(" Length: %ld\n"),
4850 (long) names.pn_length);
4851 printf (_(" Version: %d\n"),
4852 names.pn_version);
4853 printf (_(" Offset into .debug_info section: 0x%lx\n"),
4854 (unsigned long) names.pn_offset);
4855 printf (_(" Size of area in .debug_info section: %ld\n"),
4856 (long) names.pn_size);
19e6b90e 4857
91d6fa6a 4858 if (names.pn_version != 2 && names.pn_version != 3)
19e6b90e
L		 4859 {
4860 static int warned = 0;
4861
4862 if (! warned)
4863 {
4864 warn (_("Only DWARF 2 and 3 pubnames are currently supported\n"));
4865 warned = 1;
4866 }
4867
4868 continue;
4869 }
4870
459d52c8
DE		 4871 if (is_gnu)
4872 printf (_("\n Offset Kind Name\n"));
4873 else
4874 printf (_("\n Offset\tName\n"));
19e6b90e 4875
e98fdf1a 4876 while (1)
19e6b90e 4877 {
f41e4712 4878 bfd_size_type maxprint;
e98fdf1a 4879 dwarf_vma offset;
f41e4712 4880
0c588247 4881 SAFE_BYTE_GET (offset, data, offset_size, end);
19e6b90e 4882
e98fdf1a
AM		 4883 if (offset == 0)
4884 break;
b4eb7656 4885
e98fdf1a
AM		 4886 data += offset_size;
4887 if (data >= end)
4888 break;
4889 maxprint = (end - data) - 1;
f41e4712 4890
e98fdf1a
AM		 4891 if (is_gnu)
4892 {
4893 unsigned int kind_data;
4894 gdb_index_symbol_kind kind;
4895 const char *kind_name;
4896 int is_static;
4897
4898 SAFE_BYTE_GET (kind_data, data, 1, end);
4899 data++;
4900 maxprint --;
4901 /* GCC computes the kind as the upper byte in the CU index
4902 word, and then right shifts it by the CU index size.
4903 Left shift KIND to where the gdb-index.h accessor macros
4904 can use it. */
4905 kind_data <<= GDB_INDEX_CU_BITSIZE;
4906 kind = GDB_INDEX_SYMBOL_KIND_VALUE (kind_data);
4907 kind_name = get_gdb_index_symbol_kind_name (kind);
4908 is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (kind_data);
4909 printf (" %-6lx %s,%-10s %.*s\n",
4910 (unsigned long) offset, is_static ? _("s") : _("g"),
4911 kind_name, (int) maxprint, data);
19e6b90e 4912 }
e98fdf1a
AM		 4913 else
4914 printf (" %-6lx\t%.*s\n",
4915 (unsigned long) offset, (int) maxprint, data);
4916
4917 data += strnlen ((char *) data, maxprint) + 1;
4918 if (data >= end)
4919 break;
19e6b90e 4920 }
19e6b90e
L		 4921 }
4922
4923 printf ("\n");
4924 return 1;
4925}
4926
459d52c8
DE		 4927static int
4928display_debug_pubnames (struct dwarf_section *section, void *file)
4929{
4930 return display_debug_pubnames_worker (section, file, 0);
4931}
4932
4933static int
4934display_debug_gnu_pubnames (struct dwarf_section *section, void *file)
4935{
4936 return display_debug_pubnames_worker (section, file, 1);
4937}
4938
19e6b90e
L		 4939static int
4940display_debug_macinfo (struct dwarf_section *section,
4941 void *file ATTRIBUTE_UNUSED)
4942{
4943 unsigned char *start = section->start;
4944 unsigned char *end = start + section->size;
4945 unsigned char *curr = start;
4946 unsigned int bytes_read;
4947 enum dwarf_macinfo_record_type op;
4948
dda8d76d 4949 introduce (section, FALSE);
19e6b90e
L		 4950
4951 while (curr < end)
4952 {
4953 unsigned int lineno;
0c588247 4954 const unsigned char *string;
19e6b90e 4955
3f5e193b 4956 op = (enum dwarf_macinfo_record_type) *curr;
19e6b90e
L		 4957 curr++;
4958
4959 switch (op)
4960 {
4961 case DW_MACINFO_start_file:
4962 {
4963 unsigned int filenum;
4964
f6f0e17b 4965 lineno = read_uleb128 (curr, & bytes_read, end);
19e6b90e 4966 curr += bytes_read;
f6f0e17b 4967 filenum = read_uleb128 (curr, & bytes_read, end);
19e6b90e
L		 4968 curr += bytes_read;
4969
4970 printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"),
4971 lineno, filenum);
4972 }
4973 break;
4974
4975 case DW_MACINFO_end_file:
4976 printf (_(" DW_MACINFO_end_file\n"));
4977 break;
4978
4979 case DW_MACINFO_define:
f6f0e17b 4980 lineno = read_uleb128 (curr, & bytes_read, end);
19e6b90e 4981 curr += bytes_read;
0c588247
NC		 4982 string = curr;
4983 curr += strnlen ((char *) string, end - string) + 1;
19e6b90e
L		 4984 printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"),
4985 lineno, string);
4986 break;
4987
4988 case DW_MACINFO_undef:
f6f0e17b 4989 lineno = read_uleb128 (curr, & bytes_read, end);
19e6b90e 4990 curr += bytes_read;
0c588247
NC		 4991 string = curr;
4992 curr += strnlen ((char *) string, end - string) + 1;
19e6b90e
L		 4993 printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"),
4994 lineno, string);
4995 break;
4996
4997 case DW_MACINFO_vendor_ext:
4998 {
4999 unsigned int constant;
5000
f6f0e17b 5001 constant = read_uleb128 (curr, & bytes_read, end);
19e6b90e 5002 curr += bytes_read;
0c588247
NC		 5003 string = curr;
5004 curr += strnlen ((char *) string, end - string) + 1;
19e6b90e
L		 5005 printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"),
5006 constant, string);
5007 }
5008 break;
5009 }
5010 }
5011
5012 return 1;
5013}
5014
4ccf1e31
JJ		 5015/* Given LINE_OFFSET into the .debug_line section, attempt to return
5016 filename and dirname corresponding to file name table entry with index
5017 FILEIDX. Return NULL on failure. */
5018
5019static unsigned char *
f6f0e17b
NC		 5020get_line_filename_and_dirname (dwarf_vma line_offset,
5021 dwarf_vma fileidx,
4ccf1e31
JJ		 5022 unsigned char **dir_name)
5023{
5024 struct dwarf_section *section = &debug_displays [line].section;
5025 unsigned char *hdrptr, *dirtable, *file_name;
5026 unsigned int offset_size, initial_length_size;
5027 unsigned int version, opcode_base, bytes_read;
5028 dwarf_vma length, diridx;
f6f0e17b 5029 const unsigned char * end;
4ccf1e31
JJ		 5030
5031 *dir_name = NULL;
5032 if (section->start == NULL
5033 || line_offset >= section->size
5034 || fileidx == 0)
5035 return NULL;
5036
5037 hdrptr = section->start + line_offset;
f6f0e17b 5038 end = section->start + section->size;
0c588247
NC		 5039
5040 SAFE_BYTE_GET_AND_INC (length, hdrptr, 4, end);
4ccf1e31
JJ		 5041 if (length == 0xffffffff)
5042 {
5043 /* This section is 64-bit DWARF 3. */
0c588247 5044 SAFE_BYTE_GET_AND_INC (length, hdrptr, 8, end);
4ccf1e31
JJ		 5045 offset_size = 8;
5046 initial_length_size = 12;
5047 }
5048 else
5049 {
5050 offset_size = 4;
5051 initial_length_size = 4;
5052 }
e98fdf1a
AM		 5053 if (length + initial_length_size < length
5054 || length + initial_length_size > section->size)
4ccf1e31 5055 return NULL;
0c588247
NC		 5056
5057 SAFE_BYTE_GET_AND_INC (version, hdrptr, 2, end);
4ccf1e31
JJ		 5058 if (version != 2 && version != 3 && version != 4)
5059 return NULL;
5060 hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */
5061 if (version >= 4)
5062 hdrptr++; /* Skip max_ops_per_insn. */
5063 hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */
0c588247
NC		 5064
5065 SAFE_BYTE_GET_AND_INC (opcode_base, hdrptr, 1, end);
4ccf1e31
JJ		 5066 if (opcode_base == 0)
5067 return NULL;
0c588247 5068
4ccf1e31 5069 hdrptr += opcode_base - 1;
5c1c468d
NC		 5070 if (hdrptr >= end)
5071 return NULL;
5072
4ccf1e31
JJ		 5073 dirtable = hdrptr;
5074 /* Skip over dirname table. */
5075 while (*hdrptr != '\0')
5c1c468d
NC		 5076 {
5077 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
5078 if (hdrptr >= end)
5079 return NULL;
5080 }
4ccf1e31 5081 hdrptr++; /* Skip the NUL at the end of the table. */
5c1c468d 5082
4ccf1e31 5083 /* Now skip over preceding filename table entries. */
5c1c468d 5084 for (; hdrptr < end && *hdrptr != '\0' && fileidx > 1; fileidx--)
4ccf1e31 5085 {
0c588247 5086 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
f6f0e17b 5087 read_uleb128 (hdrptr, &bytes_read, end);
4ccf1e31 5088 hdrptr += bytes_read;
f6f0e17b 5089 read_uleb128 (hdrptr, &bytes_read, end);
4ccf1e31 5090 hdrptr += bytes_read;
f6f0e17b 5091 read_uleb128 (hdrptr, &bytes_read, end);
4ccf1e31
JJ		 5092 hdrptr += bytes_read;
5093 }
5c1c468d 5094 if (hdrptr >= end || *hdrptr == '\0')
4ccf1e31 5095 return NULL;
5c1c468d 5096
4ccf1e31 5097 file_name = hdrptr;
0c588247 5098 hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1;
5c1c468d
NC		 5099 if (hdrptr >= end)
5100 return NULL;
f6f0e17b 5101 diridx = read_uleb128 (hdrptr, &bytes_read, end);
4ccf1e31
JJ		 5102 if (diridx == 0)
5103 return file_name;
5c1c468d 5104 for (; dirtable < end && *dirtable != '\0' && diridx > 1; diridx--)
0c588247 5105 dirtable += strnlen ((char *) dirtable, end - dirtable) + 1;
5c1c468d 5106 if (dirtable >= end || *dirtable == '\0')
4ccf1e31
JJ		 5107 return NULL;
5108 *dir_name = dirtable;
5109 return file_name;
5110}
5111
5112static int
5113display_debug_macro (struct dwarf_section *section,
5114 void *file)
5115{
5116 unsigned char *start = section->start;
5117 unsigned char *end = start + section->size;
5118 unsigned char *curr = start;
5119 unsigned char *extended_op_buf[256];
5120 unsigned int bytes_read;
5121
dda8d76d
NC		 5122 load_debug_section_with_follow (str, file);
5123 load_debug_section_with_follow (line, file);
4ccf1e31 5124
dda8d76d 5125 introduce (section, FALSE);
4ccf1e31
JJ		 5126
5127 while (curr < end)
5128 {
5129 unsigned int lineno, version, flags;
5130 unsigned int offset_size = 4;
0c588247 5131 const unsigned char *string;
4ccf1e31
JJ		 5132 dwarf_vma line_offset = 0, sec_offset = curr - start, offset;
5133 unsigned char **extended_ops = NULL;
5134
0c588247 5135 SAFE_BYTE_GET_AND_INC (version, curr, 2, end);
7a7e1061 5136 if (version != 4 && version != 5)
4ccf1e31 5137 {
7a7e1061 5138 error (_("Only GNU extension to DWARF 4 or 5 of %s is currently supported.\n"),
4ccf1e31
JJ		 5139 section->name);
5140 return 0;
5141 }
5142
0c588247 5143 SAFE_BYTE_GET_AND_INC (flags, curr, 1, end);
4ccf1e31
JJ		 5144 if (flags & 1)
5145 offset_size = 8;
5146 printf (_(" Offset: 0x%lx\n"),
5147 (unsigned long) sec_offset);
5148 printf (_(" Version: %d\n"), version);
5149 printf (_(" Offset size: %d\n"), offset_size);
5150 if (flags & 2)
5151 {
0c588247 5152 SAFE_BYTE_GET_AND_INC (line_offset, curr, offset_size, end);
4ccf1e31
JJ		 5153 printf (_(" Offset into .debug_line: 0x%lx\n"),
5154 (unsigned long) line_offset);
5155 }
5156 if (flags & 4)
5157 {
0c588247 5158 unsigned int i, count, op;
4ccf1e31 5159 dwarf_vma nargs, n;
0c588247
NC		 5160
5161 SAFE_BYTE_GET_AND_INC (count, curr, 1, end);
bf5117e3 5162
4ccf1e31
JJ		 5163 memset (extended_op_buf, 0, sizeof (extended_op_buf));
5164 extended_ops = extended_op_buf;
5165 if (count)
5166 {
5167 printf (_(" Extension opcode arguments:\n"));
5168 for (i = 0; i < count; i++)
5169 {
0c588247 5170 SAFE_BYTE_GET_AND_INC (op, curr, 1, end);
4ccf1e31 5171 extended_ops[op] = curr;
f6f0e17b 5172 nargs = read_uleb128 (curr, &bytes_read, end);
4ccf1e31
JJ		 5173 curr += bytes_read;
5174 if (nargs == 0)
7a7e1061 5175 printf (_(" DW_MACRO_%02x has no arguments\n"), op);
4ccf1e31
JJ		 5176 else
5177 {
7a7e1061 5178 printf (_(" DW_MACRO_%02x arguments: "), op);
4ccf1e31
JJ		 5179 for (n = 0; n < nargs; n++)
5180 {
0c588247
NC		 5181 unsigned int form;
5182
5183 SAFE_BYTE_GET_AND_INC (form, curr, 1, end);
4ccf1e31
JJ		 5184 printf ("%s%s", get_FORM_name (form),
5185 n == nargs - 1 ? "\n" : ", ");
5186 switch (form)
5187 {
5188 case DW_FORM_data1:
5189 case DW_FORM_data2:
5190 case DW_FORM_data4:
5191 case DW_FORM_data8:
5192 case DW_FORM_sdata:
5193 case DW_FORM_udata:
5194 case DW_FORM_block:
5195 case DW_FORM_block1:
5196 case DW_FORM_block2:
5197 case DW_FORM_block4:
5198 case DW_FORM_flag:
5199 case DW_FORM_string:
5200 case DW_FORM_strp:
5201 case DW_FORM_sec_offset:
5202 break;
5203 default:
5204 error (_("Invalid extension opcode form %s\n"),
5205 get_FORM_name (form));
5206 return 0;
5207 }
5208 }
5209 }
5210 }
5211 }
5212 }
5213 printf ("\n");
5214
5215 while (1)
5216 {
5217 unsigned int op;
5218
5219 if (curr >= end)
5220 {
5221 error (_(".debug_macro section not zero terminated\n"));
5222 return 0;
5223 }
5224
0c588247 5225 SAFE_BYTE_GET_AND_INC (op, curr, 1, end);
4ccf1e31
JJ		 5226 if (op == 0)
5227 break;
5228
5229 switch (op)
5230 {
7a7e1061 5231 case DW_MACRO_start_file:
4ccf1e31
JJ		 5232 {
5233 unsigned int filenum;
5234 unsigned char *file_name = NULL, *dir_name = NULL;
5235
f6f0e17b 5236 lineno = read_uleb128 (curr, &bytes_read, end);
4ccf1e31 5237 curr += bytes_read;
f6f0e17b 5238 filenum = read_uleb128 (curr, &bytes_read, end);
4ccf1e31
JJ		 5239 curr += bytes_read;
5240
5241 if ((flags & 2) == 0)
7a7e1061 5242 error (_("DW_MACRO_start_file used, but no .debug_line offset provided.\n"));
4ccf1e31
JJ		 5243 else
5244 file_name
5245 = get_line_filename_and_dirname (line_offset, filenum,
5246 &dir_name);
5247 if (file_name == NULL)
7a7e1061 5248 printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d\n"),
4ccf1e31
JJ		 5249 lineno, filenum);
5250 else
7a7e1061 5251 printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d filename: %s%s%s\n"),
4ccf1e31
JJ		 5252 lineno, filenum,
5253 dir_name != NULL ? (const char *) dir_name : "",
5254 dir_name != NULL ? "/" : "", file_name);
5255 }
5256 break;
5257
7a7e1061
JK		 5258 case DW_MACRO_end_file:
5259 printf (_(" DW_MACRO_end_file\n"));
4ccf1e31
JJ		 5260 break;
5261
7a7e1061 5262 case DW_MACRO_define:
f6f0e17b 5263 lineno = read_uleb128 (curr, &bytes_read, end);
4ccf1e31 5264 curr += bytes_read;
0c588247
NC		 5265 string = curr;
5266 curr += strnlen ((char *) string, end - string) + 1;
7a7e1061 5267 printf (_(" DW_MACRO_define - lineno : %d macro : %s\n"),
4ccf1e31
JJ		 5268 lineno, string);
5269 break;
5270
7a7e1061 5271 case DW_MACRO_undef:
f6f0e17b 5272 lineno = read_uleb128 (curr, &bytes_read, end);
4ccf1e31 5273 curr += bytes_read;
0c588247
NC		 5274 string = curr;
5275 curr += strnlen ((char *) string, end - string) + 1;
7a7e1061 5276 printf (_(" DW_MACRO_undef - lineno : %d macro : %s\n"),
4ccf1e31
JJ		 5277 lineno, string);
5278 break;
5279
7a7e1061 5280 case DW_MACRO_define_strp:
f6f0e17b 5281 lineno = read_uleb128 (curr, &bytes_read, end);
4ccf1e31 5282 curr += bytes_read;
0c588247 5283 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
4ccf1e31 5284 string = fetch_indirect_string (offset);
7a7e1061 5285 printf (_(" DW_MACRO_define_strp - lineno : %d macro : %s\n"),
4ccf1e31
JJ		 5286 lineno, string);
5287 break;
5288
7a7e1061 5289 case DW_MACRO_undef_strp:
f6f0e17b 5290 lineno = read_uleb128 (curr, &bytes_read, end);
4ccf1e31 5291 curr += bytes_read;
0c588247 5292 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
4ccf1e31 5293 string = fetch_indirect_string (offset);
7a7e1061 5294 printf (_(" DW_MACRO_undef_strp - lineno : %d macro : %s\n"),
4ccf1e31
JJ		 5295 lineno, string);
5296 break;
5297
7a7e1061 5298 case DW_MACRO_import:
0c588247 5299 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
7a7e1061 5300 printf (_(" DW_MACRO_import - offset : 0x%lx\n"),
4ccf1e31
JJ		 5301 (unsigned long) offset);
5302 break;
5303
7a7e1061 5304 case DW_MACRO_define_sup:
f6f0e17b 5305 lineno = read_uleb128 (curr, &bytes_read, end);
a081f3cd 5306 curr += bytes_read;
0c588247 5307 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
7a7e1061 5308 printf (_(" DW_MACRO_define_sup - lineno : %d macro offset : 0x%lx\n"),
a081f3cd
JJ		 5309 lineno, (unsigned long) offset);
5310 break;
5311
7a7e1061 5312 case DW_MACRO_undef_sup:
f6f0e17b 5313 lineno = read_uleb128 (curr, &bytes_read, end);
a081f3cd 5314 curr += bytes_read;
0c588247 5315 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
7a7e1061 5316 printf (_(" DW_MACRO_undef_sup - lineno : %d macro offset : 0x%lx\n"),
a081f3cd
JJ		 5317 lineno, (unsigned long) offset);
5318 break;
5319
7a7e1061 5320 case DW_MACRO_import_sup:
0c588247 5321 SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end);
7a7e1061 5322 printf (_(" DW_MACRO_import_sup - offset : 0x%lx\n"),
a081f3cd
JJ		 5323 (unsigned long) offset);
5324 break;
5325
4ccf1e31
JJ		 5326 default:
5327 if (extended_ops == NULL || extended_ops[op] == NULL)
5328 {
5329 error (_(" Unknown macro opcode %02x seen\n"), op);
5330 return 0;
5331 }
5332 else
5333 {
5334 /* Skip over unhandled opcodes. */
5335 dwarf_vma nargs, n;
5336 unsigned char *desc = extended_ops[op];
f6f0e17b 5337 nargs = read_uleb128 (desc, &bytes_read, end);
4ccf1e31
JJ		 5338 desc += bytes_read;
5339 if (nargs == 0)
5340 {
7a7e1061 5341 printf (_(" DW_MACRO_%02x\n"), op);
4ccf1e31
JJ		 5342 break;
5343 }
7a7e1061 5344 printf (_(" DW_MACRO_%02x -"), op);
4ccf1e31
JJ		 5345 for (n = 0; n < nargs; n++)
5346 {
0c588247
NC		 5347 int val;
5348
77145576 5349 /* DW_FORM_implicit_const is not expected here. */
0c588247 5350 SAFE_BYTE_GET_AND_INC (val, desc, 1, end);
4ccf1e31 5351 curr
77145576 5352 = read_and_display_attr_value (0, val, 0,
f6f0e17b 5353 curr, end, 0, 0, offset_size,
341f9135 5354 version, NULL, 0, NULL,
ef0b5f1c 5355 NULL, ' ');
4ccf1e31
JJ		 5356 if (n != nargs - 1)
5357 printf (",");
5358 }
5359 printf ("\n");
5360 }
5361 break;
5362 }
5363 }
5364
5365 printf ("\n");
b4eb7656 5366 }
4ccf1e31
JJ		 5367
5368 return 1;
5369}
5370
19e6b90e
L		 5371static int
5372display_debug_abbrev (struct dwarf_section *section,
5373 void *file ATTRIBUTE_UNUSED)
5374{
5375 abbrev_entry *entry;
5376 unsigned char *start = section->start;
5377 unsigned char *end = start + section->size;
5378
dda8d76d 5379 introduce (section, FALSE);
19e6b90e
L		 5380
5381 do
5382 {
7282333f
AM		 5383 unsigned char *last;
5384
19e6b90e
L		 5385 free_abbrevs ();
5386
7282333f 5387 last = start;
19e6b90e
L		 5388 start = process_abbrev_section (start, end);
5389
5390 if (first_abbrev == NULL)
5391 continue;
5392
7282333f 5393 printf (_(" Number TAG (0x%lx)\n"), (long) (last - section->start));
19e6b90e
L		 5394
5395 for (entry = first_abbrev; entry; entry = entry->next)
5396 {
5397 abbrev_attr *attr;
5398
cc5914eb 5399 printf (" %ld %s [%s]\n",
19e6b90e
L		 5400 entry->entry,
5401 get_TAG_name (entry->tag),
5402 entry->children ? _("has children") : _("no children"));
5403
5404 for (attr = entry->first_attr; attr; attr = attr->next)
77145576
JK		 5405 {
5406 printf (" %-18s %s",
5407 get_AT_name (attr->attribute),
5408 get_FORM_name (attr->form));
5409 if (attr->form == DW_FORM_implicit_const)
5410 printf (": %" BFD_VMA_FMT "d", attr->implicit_const);
5411 putchar ('\n');
5412 }
19e6b90e
L		 5413 }
5414 }
5415 while (start);
5416
5417 printf ("\n");
5418
5419 return 1;
5420}
5421
42bcef4a
AB		 5422/* Return true when ADDR is the maximum address, when addresses are
5423 POINTER_SIZE bytes long. */
5424
5425static bfd_boolean
5426is_max_address (dwarf_vma addr, unsigned int pointer_size)
5427{
5428 dwarf_vma mask = ~(~(dwarf_vma) 1 << (pointer_size * 8 - 1));
5429 return ((addr & mask) == mask);
5430}
5431
9f272209
AO		 5432/* Display a view pair list starting at *VSTART_PTR and ending at
5433 VLISTEND within SECTION. */
5434
5435static void
5436display_view_pair_list (struct dwarf_section *section,
5437 unsigned char **vstart_ptr,
5438 unsigned int debug_info_entry,
5439 unsigned char *vlistend)
5440{
5441 unsigned char *vstart = *vstart_ptr;
5442 unsigned char *section_end = section->start + section->size;
5443 unsigned int pointer_size = debug_information [debug_info_entry].pointer_size;
5444
5445 if (vlistend < section_end)
5446 section_end = vlistend;
5447
5448 putchar ('\n');
5449
5450 while (vstart < section_end)
5451 {
5452 dwarf_vma off = vstart - section->start;
5453 dwarf_vma vbegin, vend;
5454
5455 unsigned int bytes_read;
5456 vbegin = read_uleb128 (vstart, &bytes_read, section_end);
5457 vstart += bytes_read;
5458 if (vstart == section_end)
5459 {
5460 vstart -= bytes_read;
5461 break;
5462 }
5463
5464 vend = read_uleb128 (vstart, &bytes_read, section_end);
5465 vstart += bytes_read;
5466
5467 printf (" %8.8lx ", (unsigned long) off);
5468
5469 print_dwarf_view (vbegin, pointer_size, 1);
5470 print_dwarf_view (vend, pointer_size, 1);
5471 printf (_("location view pair\n"));
5472 }
5473
5474 putchar ('\n');
5475 *vstart_ptr = vstart;
5476}
5477
4723351a
CC		 5478/* Display a location list from a normal (ie, non-dwo) .debug_loc section. */
5479
5480static void
5481display_loc_list (struct dwarf_section *section,
b4eb7656
AM		 5482 unsigned char **start_ptr,
5483 unsigned int debug_info_entry,
359ca075
JK		 5484 dwarf_vma offset,
5485 dwarf_vma base_address,
9f272209 5486 unsigned char **vstart_ptr,
b4eb7656 5487 int has_frame_base)
4723351a 5488{
9f272209 5489 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
4723351a 5490 unsigned char *section_end = section->start + section->size;
82b1b41b
NC		 5491 unsigned long cu_offset;
5492 unsigned int pointer_size;
5493 unsigned int offset_size;
5494 int dwarf_version;
4723351a
CC		 5495
5496 dwarf_vma begin;
5497 dwarf_vma end;
5498 unsigned short length;
5499 int need_frame_base;
5500
82b1b41b
NC		 5501 if (debug_info_entry >= num_debug_info_entries)
5502 {
5503 warn (_("No debug information available for loc lists of entry: %u\n"),
5504 debug_info_entry);
5505 return;
5506 }
b4eb7656 5507
82b1b41b
NC		 5508 cu_offset = debug_information [debug_info_entry].cu_offset;
5509 pointer_size = debug_information [debug_info_entry].pointer_size;
5510 offset_size = debug_information [debug_info_entry].offset_size;
5511 dwarf_version = debug_information [debug_info_entry].dwarf_version;
b4eb7656 5512
f41e4712
NC		 5513 if (pointer_size < 2 || pointer_size > 8)
5514 {
5515 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
5516 pointer_size, debug_info_entry);
5517 return;
5518 }
5519
4723351a
CC		 5520 while (1)
5521 {
359ca075 5522 dwarf_vma off = offset + (start - *start_ptr);
9f272209 5523 dwarf_vma vbegin = vm1, vend = vm1;
d1c4b12b 5524
4723351a 5525 if (start + 2 * pointer_size > section_end)
b4eb7656
AM		 5526 {
5527 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 5528 (unsigned long) offset);
b4eb7656
AM		 5529 break;
5530 }
4723351a 5531
359ca075 5532 printf (" %8.8lx ", (unsigned long) off);
fab128ef 5533
0c588247
NC		 5534 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end);
5535 SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end);
4723351a 5536
4723351a 5537 if (begin == 0 && end == 0)
b4eb7656 5538 {
d1c4b12b
NC		 5539 /* PR 18374: In a object file we can have a location list that
5540 starts with a begin and end of 0 because there are relocations
5541 that need to be applied to the addresses. Actually applying
5542 the relocations now does not help as they will probably resolve
5543 to 0, since the object file has not been fully linked. Real
5544 end of list markers will not have any relocations against them. */
5545 if (! reloc_at (section, off)
5546 && ! reloc_at (section, off + pointer_size))
5547 {
5548 printf (_("<End of list>\n"));
5549 break;
5550 }
b4eb7656 5551 }
4723351a
CC		 5552
5553 /* Check base address specifiers. */
42bcef4a
AB		 5554 if (is_max_address (begin, pointer_size)
5555 && !is_max_address (end, pointer_size))
b4eb7656
AM		 5556 {
5557 base_address = end;
5558 print_dwarf_vma (begin, pointer_size);
5559 print_dwarf_vma (end, pointer_size);
5560 printf (_("(base address)\n"));
5561 continue;
5562 }
4723351a 5563
9f272209
AO		 5564 if (vstart)
5565 {
5566 unsigned int bytes_read;
5567
5568 off = offset + (vstart - *start_ptr);
5569
5570 vbegin = read_uleb128 (vstart, &bytes_read, section_end);
5571 vstart += bytes_read;
5572 print_dwarf_view (vbegin, pointer_size, 1);
5573
5574 vend = read_uleb128 (vstart, &bytes_read, section_end);
5575 vstart += bytes_read;
5576 print_dwarf_view (vend, pointer_size, 1);
5577
5578 printf (_("views at %8.8lx for:\n %*s "),
5579 (unsigned long) off, 8, "");
5580 }
5581
4723351a 5582 if (start + 2 > section_end)
b4eb7656
AM		 5583 {
5584 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 5585 (unsigned long) offset);
b4eb7656
AM		 5586 break;
5587 }
4723351a 5588
0c588247 5589 SAFE_BYTE_GET_AND_INC (length, start, 2, section_end);
4723351a
CC		 5590
5591 if (start + length > section_end)
b4eb7656
AM		 5592 {
5593 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 5594 (unsigned long) offset);
b4eb7656
AM		 5595 break;
5596 }
4723351a
CC		 5597
5598 print_dwarf_vma (begin + base_address, pointer_size);
5599 print_dwarf_vma (end + base_address, pointer_size);
5600
5601 putchar ('(');
5602 need_frame_base = decode_location_expression (start,
b4eb7656
AM		 5603 pointer_size,
5604 offset_size,
5605 dwarf_version,
5606 length,
5607 cu_offset, section);
4723351a
CC		 5608 putchar (')');
5609
5610 if (need_frame_base && !has_frame_base)
b4eb7656 5611 printf (_(" [without DW_AT_frame_base]"));
4723351a 5612
9f272209 5613 if (begin == end && vbegin == vend)
b4eb7656 5614 fputs (_(" (start == end)"), stdout);
9f272209 5615 else if (begin > end || (begin == end && vbegin > vend))
b4eb7656 5616 fputs (_(" (start > end)"), stdout);
4723351a
CC		 5617
5618 putchar ('\n');
5619
5620 start += length;
5621 }
5622
5623 *start_ptr = start;
9f272209 5624 *vstart_ptr = vstart;
4723351a
CC		 5625}
5626
77145576
JK		 5627/* Display a location list from a normal (ie, non-dwo) .debug_loclists section. */
5628
5629static void
5630display_loclists_list (struct dwarf_section *section,
5631 unsigned char **start_ptr,
5632 unsigned int debug_info_entry,
5633 dwarf_vma offset,
5634 dwarf_vma base_address,
9f272209 5635 unsigned char **vstart_ptr,
77145576
JK		 5636 int has_frame_base)
5637{
9f272209 5638 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
77145576
JK		 5639 unsigned char *section_end = section->start + section->size;
5640 unsigned long cu_offset;
5641 unsigned int pointer_size;
5642 unsigned int offset_size;
5643 int dwarf_version;
5644 unsigned int bytes_read;
5645
9dfd0db9 5646 /* Initialize it due to a false compiler warning. */
9f272209
AO		 5647 dwarf_vma begin = -1, vbegin = -1;
5648 dwarf_vma end = -1, vend = -1;
77145576
JK		 5649 dwarf_vma length;
5650 int need_frame_base;
5651
5652 if (debug_info_entry >= num_debug_info_entries)
5653 {
5654 warn (_("No debug information available for "
5655 "loclists lists of entry: %u\n"),
5656 debug_info_entry);
5657 return;
5658 }
5659
5660 cu_offset = debug_information [debug_info_entry].cu_offset;
5661 pointer_size = debug_information [debug_info_entry].pointer_size;
5662 offset_size = debug_information [debug_info_entry].offset_size;
5663 dwarf_version = debug_information [debug_info_entry].dwarf_version;
5664
5665 if (pointer_size < 2 || pointer_size > 8)
5666 {
5667 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
5668 pointer_size, debug_info_entry);
5669 return;
5670 }
5671
5672 while (1)
5673 {
5674 dwarf_vma off = offset + (start - *start_ptr);
5675 enum dwarf_location_list_entry_type llet;
5676
5677 if (start + 1 > section_end)
5678 {
5679 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5680 (unsigned long) offset);
5681 break;
5682 }
5683
5684 printf (" %8.8lx ", (unsigned long) off);
5685
5686 SAFE_BYTE_GET_AND_INC (llet, start, 1, section_end);
5687
9f272209
AO		 5688 if (vstart && llet == DW_LLE_offset_pair)
5689 {
5690 off = offset + (vstart - *start_ptr);
5691
5692 vbegin = read_uleb128 (vstart, &bytes_read, section_end);
5693 vstart += bytes_read;
5694 print_dwarf_view (vbegin, pointer_size, 1);
5695
5696 vend = read_uleb128 (vstart, &bytes_read, section_end);
5697 vstart += bytes_read;
5698 print_dwarf_view (vend, pointer_size, 1);
5699
5700 printf (_("views at %8.8lx for:\n %*s "),
5701 (unsigned long) off, 8, "");
5702 }
5703
77145576
JK		 5704 switch (llet)
5705 {
5706 case DW_LLE_end_of_list:
5707 printf (_("<End of list>\n"));
5708 break;
5709 case DW_LLE_offset_pair:
5710 begin = read_uleb128 (start, &bytes_read, section_end);
5711 start += bytes_read;
5712 end = read_uleb128 (start, &bytes_read, section_end);
5713 start += bytes_read;
5714 break;
5715 case DW_LLE_base_address:
5716 SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size,
5717 section_end);
5718 print_dwarf_vma (base_address, pointer_size);
5719 printf (_("(base address)\n"));
5720 break;
9f272209
AO		 5721#ifdef DW_LLE_view_pair
5722 case DW_LLE_view_pair:
5723 if (vstart)
5724 printf (_("View pair entry in loclist with locviews attribute\n"));
5725 vbegin = read_uleb128 (start, &bytes_read, section_end);
5726 start += bytes_read;
5727 print_dwarf_view (vbegin, pointer_size, 1);
5728
5729 vend = read_uleb128 (start, &bytes_read, section_end);
5730 start += bytes_read;
5731 print_dwarf_view (vend, pointer_size, 1);
5732
5733 printf (_("views for:\n"));
5734 continue;
5735#endif
77145576
JK		 5736 default:
5737 error (_("Invalid location list entry type %d\n"), llet);
5738 return;
5739 }
5740 if (llet == DW_LLE_end_of_list)
5741 break;
5742 if (llet != DW_LLE_offset_pair)
5743 continue;
5744
5745 if (start + 2 > section_end)
5746 {
5747 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
5748 (unsigned long) offset);
5749 break;
5750 }
5751
5752 length = read_uleb128 (start, &bytes_read, section_end);
5753 start += bytes_read;
5754
5755 print_dwarf_vma (begin + base_address, pointer_size);
5756 print_dwarf_vma (end + base_address, pointer_size);
5757
5758 putchar ('(');
5759 need_frame_base = decode_location_expression (start,
5760 pointer_size,
5761 offset_size,
5762 dwarf_version,
5763 length,
5764 cu_offset, section);
5765 putchar (')');
5766
5767 if (need_frame_base && !has_frame_base)
5768 printf (_(" [without DW_AT_frame_base]"));
5769
9f272209 5770 if (begin == end && vbegin == vend)
77145576 5771 fputs (_(" (start == end)"), stdout);
9f272209 5772 else if (begin > end || (begin == end && vbegin > vend))
77145576
JK		 5773 fputs (_(" (start > end)"), stdout);
5774
5775 putchar ('\n');
5776
5777 start += length;
9f272209 5778 vbegin = vend = -1;
77145576
JK		 5779 }
5780
9f272209
AO		 5781 if (vbegin != vm1 || vend != vm1)
5782 printf (_("Trailing view pair not used in a range"));
5783
77145576 5784 *start_ptr = start;
9f272209 5785 *vstart_ptr = vstart;
77145576
JK		 5786}
5787
fab128ef
CC		 5788/* Print a .debug_addr table index in decimal, surrounded by square brackets,
5789 right-adjusted in a field of length LEN, and followed by a space. */
5790
5791static void
5792print_addr_index (unsigned int idx, unsigned int len)
5793{
5794 static char buf[15];
5795 snprintf (buf, sizeof (buf), "[%d]", idx);
341f9135 5796 printf ("%*s ", len, buf);
fab128ef
CC		 5797}
5798
4723351a
CC		 5799/* Display a location list from a .dwo section. It uses address indexes rather
5800 than embedded addresses. This code closely follows display_loc_list, but the
5801 two are sufficiently different that combining things is very ugly. */
5802
5803static void
5804display_loc_list_dwo (struct dwarf_section *section,
b4eb7656
AM		 5805 unsigned char **start_ptr,
5806 unsigned int debug_info_entry,
359ca075 5807 dwarf_vma offset,
9f272209 5808 unsigned char **vstart_ptr,
b4eb7656 5809 int has_frame_base)
4723351a 5810{
9f272209 5811 unsigned char *start = *start_ptr, *vstart = *vstart_ptr;
4723351a 5812 unsigned char *section_end = section->start + section->size;
82b1b41b
NC		 5813 unsigned long cu_offset;
5814 unsigned int pointer_size;
5815 unsigned int offset_size;
5816 int dwarf_version;
4723351a
CC		 5817 int entry_type;
5818 unsigned short length;
5819 int need_frame_base;
fab128ef 5820 unsigned int idx;
4723351a
CC		 5821 unsigned int bytes_read;
5822
82b1b41b
NC		 5823 if (debug_info_entry >= num_debug_info_entries)
5824 {
5825 warn (_("No debug information for loc lists of entry: %u\n"),
5826 debug_info_entry);
5827 return;
5828 }
5829
5830 cu_offset = debug_information [debug_info_entry].cu_offset;
5831 pointer_size = debug_information [debug_info_entry].pointer_size;
5832 offset_size = debug_information [debug_info_entry].offset_size;
5833 dwarf_version = debug_information [debug_info_entry].dwarf_version;
5834
f41e4712
NC		 5835 if (pointer_size < 2 || pointer_size > 8)
5836 {
5837 warn (_("Invalid pointer size (%d) in debug info for entry %d\n"),
5838 pointer_size, debug_info_entry);
5839 return;
5840 }
5841
4723351a
CC		 5842 while (1)
5843 {
359ca075 5844 printf (" %8.8lx ", (unsigned long) (offset + (start - *start_ptr)));
4723351a 5845
fab128ef 5846 if (start >= section_end)
b4eb7656
AM		 5847 {
5848 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 5849 (unsigned long) offset);
b4eb7656
AM		 5850 break;
5851 }
4723351a 5852
0c588247 5853 SAFE_BYTE_GET_AND_INC (entry_type, start, 1, section_end);
9f272209
AO		 5854
5855 if (vstart)
5856 switch (entry_type)
5857 {
5858 default:
5859 break;
5860
5861 case 2:
5862 case 3:
5863 case 4:
5864 {
5865 dwarf_vma view;
5866 dwarf_vma off = offset + (vstart - *start_ptr);
5867
5868 view = read_uleb128 (vstart, &bytes_read, section_end);
5869 vstart += bytes_read;
5870 print_dwarf_view (view, 8, 1);
5871
5872 view = read_uleb128 (vstart, &bytes_read, section_end);
5873 vstart += bytes_read;
5874 print_dwarf_view (view, 8, 1);
5875
5876 printf (_("views at %8.8lx for:\n %*s "),
5877 (unsigned long) off, 8, "");
5878
5879 }
5880 break;
5881 }
5882
4723351a 5883 switch (entry_type)
b4eb7656
AM		 5884 {
5885 case 0: /* A terminating entry. */
5886 *start_ptr = start;
9f272209 5887 *vstart_ptr = vstart;
b4eb7656
AM		 5888 printf (_("<End of list>\n"));
5889 return;
5890 case 1: /* A base-address entry. */
5891 idx = read_uleb128 (start, &bytes_read, section_end);
5892 start += bytes_read;
5893 print_addr_index (idx, 8);
9f272209 5894 printf ("%*s", 9 + (vstart ? 2 * 6 : 0), "");
b4eb7656
AM		 5895 printf (_("(base address selection entry)\n"));
5896 continue;
5897 case 2: /* A start/end entry. */
5898 idx = read_uleb128 (start, &bytes_read, section_end);
5899 start += bytes_read;
5900 print_addr_index (idx, 8);
5901 idx = read_uleb128 (start, &bytes_read, section_end);
5902 start += bytes_read;
5903 print_addr_index (idx, 8);
5904 break;
5905 case 3: /* A start/length entry. */
5906 idx = read_uleb128 (start, &bytes_read, section_end);
5907 start += bytes_read;
5908 print_addr_index (idx, 8);
5909 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
5910 printf ("%08x ", idx);
5911 break;
5912 case 4: /* An offset pair entry. */
5913 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
5914 printf ("%08x ", idx);
5915 SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end);
5916 printf ("%08x ", idx);
5917 break;
5918 default:
5919 warn (_("Unknown location list entry type 0x%x.\n"), entry_type);
5920 *start_ptr = start;
9f272209 5921 *vstart_ptr = vstart;
b4eb7656
AM		 5922 return;
5923 }
4723351a
CC		 5924
5925 if (start + 2 > section_end)
b4eb7656
AM		 5926 {
5927 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 5928 (unsigned long) offset);
b4eb7656
AM		 5929 break;
5930 }
4723351a 5931
0c588247 5932 SAFE_BYTE_GET_AND_INC (length, start, 2, section_end);
4723351a 5933 if (start + length > section_end)
b4eb7656
AM		 5934 {
5935 warn (_("Location list starting at offset 0x%lx is not terminated.\n"),
359ca075 5936 (unsigned long) offset);
b4eb7656
AM		 5937 break;
5938 }
4723351a
CC		 5939
5940 putchar ('(');
5941 need_frame_base = decode_location_expression (start,
b4eb7656
AM		 5942 pointer_size,
5943 offset_size,
5944 dwarf_version,
5945 length,
5946 cu_offset, section);
4723351a
CC		 5947 putchar (')');
5948
5949 if (need_frame_base && !has_frame_base)
b4eb7656 5950 printf (_(" [without DW_AT_frame_base]"));
4723351a
CC		 5951
5952 putchar ('\n');
5953
5954 start += length;
5955 }
5956
5957 *start_ptr = start;
9f272209 5958 *vstart_ptr = vstart;
4723351a
CC		 5959}
5960
9f272209
AO		 5961/* Sort array of indexes in ascending order of loc_offsets[idx] and
5962 loc_views. */
51d0d03f 5963
9f272209 5964static dwarf_vma *loc_offsets, *loc_views;
51d0d03f
JJ		 5965
5966static int
5967loc_offsets_compar (const void *ap, const void *bp)
5968{
5969 dwarf_vma a = loc_offsets[*(const unsigned int *) ap];
5970 dwarf_vma b = loc_offsets[*(const unsigned int *) bp];
5971
9f272209
AO		 5972 int ret = (a > b) - (b > a);
5973 if (ret)
5974 return ret;
5975
5976 a = loc_views[*(const unsigned int *) ap];
5977 b = loc_views[*(const unsigned int *) bp];
5978
5979 ret = (a > b) - (b > a);
5980
5981 return ret;
51d0d03f
JJ		 5982}
5983
19e6b90e
L		 5984static int
5985display_debug_loc (struct dwarf_section *section, void *file)
5986{
9f272209 5987 unsigned char *start = section->start, *vstart = NULL;
19e6b90e
L		 5988 unsigned long bytes;
5989 unsigned char *section_begin = start;
5990 unsigned int num_loc_list = 0;
5991 unsigned long last_offset = 0;
9f272209 5992 unsigned long last_view = 0;
19e6b90e
L		 5993 unsigned int first = 0;
5994 unsigned int i;
5995 unsigned int j;
5996 int seen_first_offset = 0;
51d0d03f 5997 int locs_sorted = 1;
9f272209 5998 unsigned char *next = start, *vnext = vstart;
51d0d03f 5999 unsigned int *array = NULL;
4723351a
CC		 6000 const char *suffix = strrchr (section->name, '.');
6001 int is_dwo = 0;
77145576
JK		 6002 int is_loclists = strstr (section->name, "debug_loclists") != NULL;
6003 dwarf_vma expected_start = 0;
4723351a
CC		 6004
6005 if (suffix && strcmp (suffix, ".dwo") == 0)
6006 is_dwo = 1;
19e6b90e
L		 6007
6008 bytes = section->size;
19e6b90e
L		 6009
6010 if (bytes == 0)
6011 {
6012 printf (_("\nThe %s section is empty.\n"), section->name);
6013 return 0;
6014 }
6015
77145576
JK		 6016 if (is_loclists)
6017 {
6018 unsigned char *hdrptr = section_begin;
6019 dwarf_vma ll_length;
6020 unsigned short ll_version;
6021 unsigned char *end = section_begin + section->size;
6022 unsigned char address_size, segment_selector_size;
6023 uint32_t offset_entry_count;
6024
6025 SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 4, end);
6026 if (ll_length == 0xffffffff)
6027 SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 8, end);
6028
6029 SAFE_BYTE_GET_AND_INC (ll_version, hdrptr, 2, end);
6030 if (ll_version != 5)
6031 {
6032 warn (_("The %s section contains corrupt or "
6033 "unsupported version number: %d.\n"),
6034 section->name, ll_version);
6035 return 0;
6036 }
6037
6038 SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end);
6039
6040 SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end);
6041 if (segment_selector_size != 0)
6042 {
6043 warn (_("The %s section contains "
6044 "unsupported segment selector size: %d.\n"),
6045 section->name, segment_selector_size);
6046 return 0;
6047 }
6048
6049 SAFE_BYTE_GET_AND_INC (offset_entry_count, hdrptr, 4, end);
6050 if (offset_entry_count != 0)
6051 {
6052 warn (_("The %s section contains "
6053 "unsupported offset entry count: %d.\n"),
6054 section->name, offset_entry_count);
6055 return 0;
6056 }
6057
6058 expected_start = hdrptr - section_begin;
6059 }
6060
1febe64d
NC		 6061 if (load_debug_info (file) == 0)
6062 {
6063 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
6064 section->name);
6065 return 0;
6066 }
19e6b90e
L		 6067
6068 /* Check the order of location list in .debug_info section. If
6069 offsets of location lists are in the ascending order, we can
6070 use `debug_information' directly. */
6071 for (i = 0; i < num_debug_info_entries; i++)
6072 {
6073 unsigned int num;
6074
6075 num = debug_information [i].num_loc_offsets;
51d0d03f
JJ		 6076 if (num > num_loc_list)
6077 num_loc_list = num;
19e6b90e
L		 6078
6079 /* Check if we can use `debug_information' directly. */
51d0d03f 6080 if (locs_sorted && num != 0)
19e6b90e
L		 6081 {
6082 if (!seen_first_offset)
6083 {
6084 /* This is the first location list. */
6085 last_offset = debug_information [i].loc_offsets [0];
9f272209 6086 last_view = debug_information [i].loc_views [0];
19e6b90e
L		 6087 first = i;
6088 seen_first_offset = 1;
6089 j = 1;
6090 }
6091 else
6092 j = 0;
6093
6094 for (; j < num; j++)
6095 {
6096 if (last_offset >
9f272209
AO		 6097 debug_information [i].loc_offsets [j]
6098 || (last_offset == debug_information [i].loc_offsets [j]
6099 && last_view > debug_information [i].loc_views [j]))
19e6b90e 6100 {
51d0d03f 6101 locs_sorted = 0;
19e6b90e
L		 6102 break;
6103 }
6104 last_offset = debug_information [i].loc_offsets [j];
9f272209 6105 last_view = debug_information [i].loc_views [j];
19e6b90e
L		 6106 }
6107 }
6108 }
6109
19e6b90e
L		 6110 if (!seen_first_offset)
6111 error (_("No location lists in .debug_info section!\n"));
6112
d4bfc77b 6113 if (debug_information [first].num_loc_offsets > 0
9f272209
AO		 6114 && debug_information [first].loc_offsets [0] != expected_start
6115 && debug_information [first].loc_views [0] != expected_start)
47704ddf
KT		 6116 warn (_("Location lists in %s section start at 0x%s\n"),
6117 section->name,
6118 dwarf_vmatoa ("x", debug_information [first].loc_offsets [0]));
19e6b90e 6119
51d0d03f
JJ		 6120 if (!locs_sorted)
6121 array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int));
dda8d76d
NC		 6122
6123 introduce (section, FALSE);
6124
d1c4b12b
NC		 6125 if (reloc_at (section, 0))
6126 printf (_(" Warning: This section has relocations - addresses seen here may not be accurate.\n\n"));
dda8d76d 6127
d1c4b12b 6128 printf (_(" Offset Begin End Expression\n"));
19e6b90e
L		 6129
6130 seen_first_offset = 0;
6131 for (i = first; i < num_debug_info_entries; i++)
6132 {
9f272209 6133 dwarf_vma offset, voffset;
359ca075 6134 dwarf_vma base_address;
d1c4b12b 6135 unsigned int k;
19e6b90e
L		 6136 int has_frame_base;
6137
51d0d03f
JJ		 6138 if (!locs_sorted)
6139 {
6140 for (k = 0; k < debug_information [i].num_loc_offsets; k++)
6141 array[k] = k;
6142 loc_offsets = debug_information [i].loc_offsets;
9f272209 6143 loc_views = debug_information [i].loc_views;
51d0d03f
JJ		 6144 qsort (array, debug_information [i].num_loc_offsets,
6145 sizeof (*array), loc_offsets_compar);
6146 }
19e6b90e 6147
9f272209 6148 int adjacent_view_loclists = 1;
51d0d03f 6149 for (k = 0; k < debug_information [i].num_loc_offsets; k++)
19e6b90e 6150 {
51d0d03f
JJ		 6151 j = locs_sorted ? k : array[k];
6152 if (k
9f272209 6153 && (debug_information [i].loc_offsets [locs_sorted
51d0d03f 6154 ? k - 1 : array [k - 1]]
9f272209
AO		 6155 == debug_information [i].loc_offsets [j])
6156 && (debug_information [i].loc_views [locs_sorted
6157 ? k - 1 : array [k - 1]]
6158 == debug_information [i].loc_views [j]))
51d0d03f 6159 continue;
19e6b90e 6160 has_frame_base = debug_information [i].have_frame_base [j];
d493b283 6161 offset = debug_information [i].loc_offsets [j];
19e6b90e 6162 next = section_begin + offset;
9f272209
AO		 6163 voffset = debug_information [i].loc_views [j];
6164 if (voffset != vm1)
6165 vnext = section_begin + voffset;
6166 else
6167 vnext = NULL;
19e6b90e
L		 6168 base_address = debug_information [i].base_address;
6169
9f272209
AO		 6170 if (vnext && vnext < next)
6171 {
6172 vstart = vnext;
6173 display_view_pair_list (section, &vstart, i, next);
6174 if (start == vnext)
6175 start = vstart;
6176 }
6177
6178 if (!seen_first_offset || !adjacent_view_loclists)
19e6b90e
L		 6179 seen_first_offset = 1;
6180 else
6181 {
6182 if (start < next)
6183 warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"),
0af1713e 6184 (unsigned long) (start - section_begin),
c8071705 6185 (unsigned long) offset);
19e6b90e
L		 6186 else if (start > next)
6187 warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"),
0af1713e 6188 (unsigned long) (start - section_begin),
c8071705 6189 (unsigned long) offset);
19e6b90e
L		 6190 }
6191 start = next;
9f272209 6192 vstart = vnext;
19e6b90e
L		 6193
6194 if (offset >= bytes)
6195 {
6196 warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"),
359ca075 6197 (unsigned long) offset);
19e6b90e
L		 6198 continue;
6199 }
6200
9f272209
AO		 6201 if (vnext && voffset >= bytes)
6202 {
6203 warn (_("View Offset 0x%lx is bigger than .debug_loc section size.\n"),
6204 (unsigned long) voffset);
6205 continue;
6206 }
6207
77145576
JK		 6208 if (!is_loclists)
6209 {
6210 if (is_dwo)
6211 display_loc_list_dwo (section, &start, i, offset,
9f272209 6212 &vstart, has_frame_base);
77145576
JK		 6213 else
6214 display_loc_list (section, &start, i, offset, base_address,
9f272209 6215 &vstart, has_frame_base);
77145576 6216 }
b4eb7656 6217 else
77145576
JK		 6218 {
6219 if (is_dwo)
6220 warn (_("DWO is not yet supported.\n"));
6221 else
6222 display_loclists_list (section, &start, i, offset, base_address,
9f272209
AO		 6223 &vstart, has_frame_base);
6224 }
6225
6226 /* FIXME: this arrangement is quite simplistic. Nothing
6227 requires locview lists to be adjacent to corresponding
6228 loclists, and a single loclist could be augmented by
6229 different locview lists, and vice-versa, unlikely as it
6230 is that it would make sense to do so. Hopefully we'll
6231 have view pair support built into loclists before we ever
6232 need to address all these possibilities. */
6233 if (adjacent_view_loclists && vnext
6234 && vnext != start && vstart != next)
6235 {
6236 adjacent_view_loclists = 0;
6237 warn (_("Hole and overlap detection requires adjacent view lists and loclists.\n"));
77145576 6238 }
9f272209
AO		 6239
6240 if (vnext && vnext == start)
6241 display_view_pair_list (section, &start, i, vstart);
19e6b90e
L		 6242 }
6243 }
031cd65f 6244
4723351a 6245 if (start < section->start + section->size)
d3a49aa8
AM		 6246 warn (ngettext ("There is %ld unused byte at the end of section %s\n",
6247 "There are %ld unused bytes at the end of section %s\n",
6248 (long) (section->start + section->size - start)),
4723351a 6249 (long) (section->start + section->size - start), section->name);
98fb390a 6250 putchar ('\n');
51d0d03f 6251 free (array);
19e6b90e
L		 6252 return 1;
6253}
6254
6255static int
6256display_debug_str (struct dwarf_section *section,
6257 void *file ATTRIBUTE_UNUSED)
6258{
6259 unsigned char *start = section->start;
6260 unsigned long bytes = section->size;
6261 dwarf_vma addr = section->address;
6262
6263 if (bytes == 0)
6264 {
6265 printf (_("\nThe %s section is empty.\n"), section->name);
6266 return 0;
6267 }
6268
dda8d76d 6269 introduce (section, FALSE);
19e6b90e
L		 6270
6271 while (bytes)
6272 {
6273 int j;
6274 int k;
6275 int lbytes;
6276
6277 lbytes = (bytes > 16 ? 16 : bytes);
6278
6279 printf (" 0x%8.8lx ", (unsigned long) addr);
6280
6281 for (j = 0; j < 16; j++)
6282 {
6283 if (j < lbytes)
6284 printf ("%2.2x", start[j]);
6285 else
6286 printf (" ");
6287
6288 if ((j & 3) == 3)
6289 printf (" ");
6290 }
6291
6292 for (j = 0; j < lbytes; j++)
6293 {
6294 k = start[j];
6295 if (k >= ' ' && k < 0x80)
6296 printf ("%c", k);
6297 else
6298 printf (".");
6299 }
6300
6301 putchar ('\n');
6302
6303 start += lbytes;
6304 addr += lbytes;
6305 bytes -= lbytes;
6306 }
6307
6308 putchar ('\n');
6309
6310 return 1;
6311}
6312
19e6b90e
L		 6313static int
6314display_debug_info (struct dwarf_section *section, void *file)
6315{
d85bf2ba 6316 return process_debug_info (section, file, section->abbrev_sec, FALSE, FALSE);
19e6b90e
L		 6317}
6318
2b6f5997
CC		 6319static int
6320display_debug_types (struct dwarf_section *section, void *file)
6321{
d85bf2ba 6322 return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE);
6f875884
TG		 6323}
6324
6325static int
6326display_trace_info (struct dwarf_section *section, void *file)
6327{
d85bf2ba 6328 return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE);
2b6f5997 6329}
19e6b90e
L		 6330
6331static int
6332display_debug_aranges (struct dwarf_section *section,
6333 void *file ATTRIBUTE_UNUSED)
6334{
6335 unsigned char *start = section->start;
6336 unsigned char *end = start + section->size;
6337
dda8d76d 6338 introduce (section, FALSE);
19e6b90e 6339
6e3d6dc1
NC		 6340 /* It does not matter if this load fails,
6341 we test for that later on. */
6342 load_debug_info (file);
6343
19e6b90e
L		 6344 while (start < end)
6345 {
6346 unsigned char *hdrptr;
6347 DWARF2_Internal_ARange arange;
91d6fa6a 6348 unsigned char *addr_ranges;
2d9472a2
NC		 6349 dwarf_vma length;
6350 dwarf_vma address;
e98fdf1a 6351 unsigned long sec_off;
53b8873b 6352 unsigned char address_size;
19e6b90e 6353 int excess;
bf5117e3
NC		 6354 unsigned int offset_size;
6355 unsigned int initial_length_size;
19e6b90e
L		 6356
6357 hdrptr = start;
6358
0c588247 6359 SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 4, end);
19e6b90e
L		 6360 if (arange.ar_length == 0xffffffff)
6361 {
0c588247 6362 SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 8, end);
19e6b90e
L		 6363 offset_size = 8;
6364 initial_length_size = 12;
6365 }
6366 else
6367 {
6368 offset_size = 4;
6369 initial_length_size = 4;
6370 }
6371
e98fdf1a
AM		 6372 sec_off = hdrptr - section->start;
6373 if (sec_off + arange.ar_length < sec_off
6374 || sec_off + arange.ar_length > section->size)
6375 {
6376 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
6377 section->name,
6378 sec_off - initial_length_size,
6379 dwarf_vmatoa ("x", arange.ar_length));
6380 break;
6381 }
6382
0c588247
NC		 6383 SAFE_BYTE_GET_AND_INC (arange.ar_version, hdrptr, 2, end);
6384 SAFE_BYTE_GET_AND_INC (arange.ar_info_offset, hdrptr, offset_size, end);
19e6b90e 6385
6e3d6dc1
NC		 6386 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE
6387 && num_debug_info_entries > 0
6388 && find_debug_info_for_offset (arange.ar_info_offset) == NULL)
6389 warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"),
47704ddf 6390 (unsigned long) arange.ar_info_offset, section->name);
6e3d6dc1 6391
0c588247
NC		 6392 SAFE_BYTE_GET_AND_INC (arange.ar_pointer_size, hdrptr, 1, end);
6393 SAFE_BYTE_GET_AND_INC (arange.ar_segment_size, hdrptr, 1, end);
19e6b90e
L		 6394
6395 if (arange.ar_version != 2 && arange.ar_version != 3)
6396 {
67f101ee
NC		 6397 /* PR 19872: A version number of 0 probably means that there is
6398 padding at the end of the .debug_aranges section. Gold puts
6399 it there when performing an incremental link, for example.
6400 So do not generate a warning in this case. */
6401 if (arange.ar_version)
6402 warn (_("Only DWARF 2 and 3 aranges are currently supported.\n"));
19e6b90e
L		 6403 break;
6404 }
6405
47704ddf
KT		 6406 printf (_(" Length: %ld\n"),
6407 (long) arange.ar_length);
19e6b90e 6408 printf (_(" Version: %d\n"), arange.ar_version);
47704ddf
KT		 6409 printf (_(" Offset into .debug_info: 0x%lx\n"),
6410 (unsigned long) arange.ar_info_offset);
19e6b90e
L		 6411 printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size);
6412 printf (_(" Segment Size: %d\n"), arange.ar_segment_size);
6413
53b8873b
NC		 6414 address_size = arange.ar_pointer_size + arange.ar_segment_size;
6415
f41e4712
NC		 6416 /* PR 17512: file: 001-108546-0.001:0.1. */
6417 if (address_size == 0 || address_size > 8)
b3681d67
L		 6418 {
6419 error (_("Invalid address size in %s section!\n"),
6420 section->name);
6421 break;
6422 }
6423
53b8873b
NC		 6424 /* The DWARF spec does not require that the address size be a power
6425 of two, but we do. This will have to change if we ever encounter
6426 an uneven architecture. */
6427 if ((address_size & (address_size - 1)) != 0)
6428 {
6429 warn (_("Pointer size + Segment size is not a power of two.\n"));
6430 break;
6431 }
cecf136e 6432
209c9a13
NC		 6433 if (address_size > 4)
6434 printf (_("\n Address Length\n"));
6435 else
6436 printf (_("\n Address Length\n"));
19e6b90e 6437
91d6fa6a 6438 addr_ranges = hdrptr;
19e6b90e 6439
53b8873b
NC		 6440 /* Must pad to an alignment boundary that is twice the address size. */
6441 excess = (hdrptr - start) % (2 * address_size);
19e6b90e 6442 if (excess)
91d6fa6a 6443 addr_ranges += (2 * address_size) - excess;
19e6b90e 6444
e98fdf1a 6445 start += arange.ar_length + initial_length_size;
1617e571 6446
91d6fa6a 6447 while (addr_ranges + 2 * address_size <= start)
19e6b90e 6448 {
0c588247
NC		 6449 SAFE_BYTE_GET_AND_INC (address, addr_ranges, address_size, end);
6450 SAFE_BYTE_GET_AND_INC (length, addr_ranges, address_size, end);
19e6b90e 6451
80c35038 6452 printf (" ");
2d9472a2
NC		 6453 print_dwarf_vma (address, address_size);
6454 print_dwarf_vma (length, address_size);
6455 putchar ('\n');
19e6b90e 6456 }
19e6b90e
L		 6457 }
6458
6459 printf ("\n");
6460
6461 return 1;
6462}
6463
4723351a
CC		 6464/* Comparison function for qsort. */
6465static int
6466comp_addr_base (const void * v0, const void * v1)
6467{
6468 debug_info * info0 = (debug_info *) v0;
6469 debug_info * info1 = (debug_info *) v1;
6470 return info0->addr_base - info1->addr_base;
6471}
6472
6473/* Display the debug_addr section. */
6474static int
6475display_debug_addr (struct dwarf_section *section,
b4eb7656 6476 void *file)
4723351a
CC		 6477{
6478 debug_info **debug_addr_info;
6479 unsigned char *entry;
6480 unsigned char *end;
6481 unsigned int i;
6482 unsigned int count;
6483
6484 if (section->size == 0)
6485 {
6486 printf (_("\nThe %s section is empty.\n"), section->name);
6487 return 0;
6488 }
6489
6490 if (load_debug_info (file) == 0)
6491 {
6492 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
6493 section->name);
6494 return 0;
6495 }
6496
dda8d76d 6497 introduce (section, FALSE);
4723351a 6498
1306a742
NC		 6499 /* PR 17531: file: cf38d01b.
6500 We use xcalloc because a corrupt file may not have initialised all of the
6501 fields in the debug_info structure, which means that the sort below might
6502 try to move uninitialised data. */
6503 debug_addr_info = (debug_info **) xcalloc ((num_debug_info_entries + 1),
b4eb7656 6504 sizeof (debug_info *));
4723351a
CC		 6505
6506 count = 0;
6507 for (i = 0; i < num_debug_info_entries; i++)
82b1b41b 6508 if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE)
1306a742
NC		 6509 {
6510 /* PR 17531: file: cf38d01b. */
6511 if (debug_information[i].addr_base >= section->size)
6512 warn (_("Corrupt address base (%lx) found in debug section %u\n"),
6513 (unsigned long) debug_information[i].addr_base, i);
6514 else
6515 debug_addr_info [count++] = debug_information + i;
6516 }
4723351a
CC		 6517
6518 /* Add a sentinel to make iteration convenient. */
6519 debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info));
6520 debug_addr_info [count]->addr_base = section->size;
4723351a 6521 qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base);
1306a742 6522
4723351a
CC		 6523 for (i = 0; i < count; i++)
6524 {
6525 unsigned int idx;
fab128ef 6526 unsigned int address_size = debug_addr_info [i]->pointer_size;
4723351a
CC		 6527
6528 printf (_(" For compilation unit at offset 0x%s:\n"),
b4eb7656 6529 dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset));
4723351a 6530
fab128ef 6531 printf (_("\tIndex\tAddress\n"));
4723351a
CC		 6532 entry = section->start + debug_addr_info [i]->addr_base;
6533 end = section->start + debug_addr_info [i + 1]->addr_base;
6534 idx = 0;
6535 while (entry < end)
b4eb7656
AM		 6536 {
6537 dwarf_vma base = byte_get (entry, address_size);
6538 printf (_("\t%d:\t"), idx);
6539 print_dwarf_vma (base, address_size);
6540 printf ("\n");
6541 entry += address_size;
6542 idx++;
6543 }
4723351a
CC		 6544 }
6545 printf ("\n");
6546
6547 free (debug_addr_info);
6548 return 1;
6549}
6550
6551/* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */
6552static int
6553display_debug_str_offsets (struct dwarf_section *section,
b4eb7656 6554 void *file ATTRIBUTE_UNUSED)
4723351a
CC		 6555{
6556 if (section->size == 0)
6557 {
6558 printf (_("\nThe %s section is empty.\n"), section->name);
6559 return 0;
6560 }
6561 /* TODO: Dump the contents. This is made somewhat difficult by not knowing
6562 what the offset size is for this section. */
6563 return 1;
6564}
6565
01a8f077
JK		 6566/* Each debug_information[x].range_lists[y] gets this representation for
6567 sorting purposes. */
6568
6569struct range_entry
467c65bc
NC		 6570{
6571 /* The debug_information[x].range_lists[y] value. */
359ca075 6572 dwarf_vma ranges_offset;
01a8f077 6573
467c65bc
NC		 6574 /* Original debug_information to find parameters of the data. */
6575 debug_info *debug_info_p;
6576};
01a8f077
JK		 6577
6578/* Sort struct range_entry in ascending order of its RANGES_OFFSET. */
6579
6580static int
6581range_entry_compar (const void *ap, const void *bp)
6582{
3f5e193b
NC		 6583 const struct range_entry *a_re = (const struct range_entry *) ap;
6584 const struct range_entry *b_re = (const struct range_entry *) bp;
359ca075
JK		 6585 const dwarf_vma a = a_re->ranges_offset;
6586 const dwarf_vma b = b_re->ranges_offset;
01a8f077
JK		 6587
6588 return (a > b) - (b > a);
6589}
6590
77145576
JK		 6591static void
6592display_debug_ranges_list (unsigned char *start, unsigned char *finish,
6593 unsigned int pointer_size, unsigned long offset,
6594 unsigned long base_address)
6595{
6596 while (start < finish)
6597 {
6598 dwarf_vma begin;
6599 dwarf_vma end;
6600
6601 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
6602 if (start >= finish)
6603 break;
6604 SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish);
6605
d11ae95e 6606
77145576
JK		 6607 printf (" %8.8lx ", offset);
6608
6609 if (begin == 0 && end == 0)
6610 {
6611 printf (_("<End of list>\n"));
6612 break;
6613 }
6614
6615 /* Check base address specifiers. */
6616 if (is_max_address (begin, pointer_size)
6617 && !is_max_address (end, pointer_size))
6618 {
6619 base_address = end;
6620 print_dwarf_vma (begin, pointer_size);
6621 print_dwarf_vma (end, pointer_size);
6622 printf ("(base address)\n");
6623 continue;
6624 }
6625
6626 print_dwarf_vma (begin + base_address, pointer_size);
6627 print_dwarf_vma (end + base_address, pointer_size);
6628
6629 if (begin == end)
6630 fputs (_("(start == end)"), stdout);
6631 else if (begin > end)
6632 fputs (_("(start > end)"), stdout);
6633
6634 putchar ('\n');
6635 }
6636}
6637
6638static void
6639display_debug_rnglists_list (unsigned char *start, unsigned char *finish,
6640 unsigned int pointer_size, unsigned long offset,
6641 unsigned long base_address)
6642{
6643 unsigned char *next = start;
6644
6645 while (1)
6646 {
6647 unsigned long off = offset + (start - next);
6648 enum dwarf_range_list_entry rlet;
9dfd0db9
JK		 6649 /* Initialize it due to a false compiler warning. */
6650 dwarf_vma begin = -1, length, end = -1;
77145576
JK		 6651 unsigned int bytes_read;
6652
6653 if (start + 1 > finish)
6654 {
6655 warn (_("Range list starting at offset 0x%lx is not terminated.\n"),
6656 offset);
6657 break;
6658 }
6659
6660 printf (" %8.8lx ", off);
6661
6662 SAFE_BYTE_GET_AND_INC (rlet, start, 1, finish);
6663
6664 switch (rlet)
6665 {
6666 case DW_RLE_end_of_list:
6667 printf (_("<End of list>\n"));
6668 break;
6669 case DW_RLE_base_address:
6670 SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, finish);
6671 print_dwarf_vma (base_address, pointer_size);
6672 printf (_("(base address)\n"));
6673 break;
6674 case DW_RLE_start_length:
6675 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
6676 length = read_uleb128 (start, &bytes_read, finish);
6677 start += bytes_read;
6678 end = begin + length;
6679 break;
6680 case DW_RLE_offset_pair:
6681 begin = read_uleb128 (start, &bytes_read, finish);
6682 start += bytes_read;
6683 end = read_uleb128 (start, &bytes_read, finish);
6684 start += bytes_read;
6685 break;
6686 case DW_RLE_start_end:
6687 SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish);
6688 SAFE_BYTE_GET_AND_INC (end, start, pointer_size, finish);
6689 break;
6690 default:
6691 error (_("Invalid range list entry type %d\n"), rlet);
6692 rlet = DW_RLE_end_of_list;
6693 break;
6694 }
6695 if (rlet == DW_RLE_end_of_list)
6696 break;
6697 if (rlet == DW_RLE_base_address)
6698 continue;
6699
6700 print_dwarf_vma (begin + base_address, pointer_size);
6701 print_dwarf_vma (end + base_address, pointer_size);
6702
6703 if (begin == end)
6704 fputs (_("(start == end)"), stdout);
6705 else if (begin > end)
6706 fputs (_("(start > end)"), stdout);
6707
6708 putchar ('\n');
6709 }
6710}
6711
19e6b90e
L		 6712static int
6713display_debug_ranges (struct dwarf_section *section,
6714 void *file ATTRIBUTE_UNUSED)
6715{
6716 unsigned char *start = section->start;
a2ff7a4b 6717 unsigned char *last_start = start;
f6f0e17b 6718 unsigned long bytes = section->size;
19e6b90e 6719 unsigned char *section_begin = start;
f6f0e17b 6720 unsigned char *finish = start + bytes;
01a8f077
JK		 6721 unsigned int num_range_list, i;
6722 struct range_entry *range_entries, *range_entry_fill;
77145576
JK		 6723 int is_rnglists = strstr (section->name, "debug_rnglists") != NULL;
6724 /* Initialize it due to a false compiler warning. */
6725 unsigned char address_size = 0;
19e6b90e 6726
19e6b90e
L		 6727 if (bytes == 0)
6728 {
6729 printf (_("\nThe %s section is empty.\n"), section->name);
6730 return 0;
6731 }
6732
77145576
JK		 6733 if (is_rnglists)
6734 {
6735 dwarf_vma initial_length;
6736 unsigned int initial_length_size;
6737 unsigned char segment_selector_size;
6738 unsigned int offset_size, offset_entry_count;
6739 unsigned short version;
6740
6741 /* Get and check the length of the block. */
6742 SAFE_BYTE_GET_AND_INC (initial_length, start, 4, finish);
6743
6744 if (initial_length == 0xffffffff)
6745 {
6746 /* This section is 64-bit DWARF 3. */
6747 SAFE_BYTE_GET_AND_INC (initial_length, start, 8, finish);
6748 offset_size = 8;
6749 initial_length_size = 12;
6750 }
6751 else
6752 {
6753 offset_size = 4;
6754 initial_length_size = 4;
6755 }
6756
6757 if (initial_length + initial_length_size > section->size)
6758 {
6759 /* If the length field has a relocation against it, then we should
6760 not complain if it is inaccurate (and probably negative).
6761 It is copied from .debug_line handling code. */
6762 if (reloc_at (section, (start - section->start) - offset_size))
6763 {
6764 initial_length = (finish - start) - initial_length_size;
6765 }
6766 else
6767 {
6768 warn (_("The length field (0x%lx) in the debug_rnglists header is wrong - the section is too small\n"),
6769 (long) initial_length);
6770 return 0;
6771 }
6772 }
6773
6774 /* Get and check the version number. */
6775 SAFE_BYTE_GET_AND_INC (version, start, 2, finish);
6776
6777 if (version != 5)
6778 {
6779 warn (_("Only DWARF version 5 debug_rnglists info "
6780 "is currently supported.\n"));
6781 return 0;
6782 }
6783
6784 SAFE_BYTE_GET_AND_INC (address_size, start, 1, finish);
6785
6786 SAFE_BYTE_GET_AND_INC (segment_selector_size, start, 1, finish);
6787 if (segment_selector_size != 0)
6788 {
6789 warn (_("The %s section contains "
6790 "unsupported segment selector size: %d.\n"),
6791 section->name, segment_selector_size);
6792 return 0;
6793 }
6794
6795 SAFE_BYTE_GET_AND_INC (offset_entry_count, start, 4, finish);
6796 if (offset_entry_count != 0)
6797 {
6798 warn (_("The %s section contains "
6799 "unsupported offset entry count: %u.\n"),
6800 section->name, offset_entry_count);
6801 return 0;
6802 }
6803 }
6804
1febe64d
NC		 6805 if (load_debug_info (file) == 0)
6806 {
6807 warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"),
6808 section->name);
6809 return 0;
6810 }
19e6b90e 6811
01a8f077 6812 num_range_list = 0;
19e6b90e 6813 for (i = 0; i < num_debug_info_entries; i++)
01a8f077 6814 num_range_list += debug_information [i].num_range_lists;
19e6b90e 6815
01a8f077 6816 if (num_range_list == 0)
4723351a
CC		 6817 {
6818 /* This can happen when the file was compiled with -gsplit-debug
b4eb7656 6819 which removes references to range lists from the primary .o file. */
4723351a
CC		 6820 printf (_("No range lists in .debug_info section.\n"));
6821 return 1;
6822 }
19e6b90e 6823
3f5e193b
NC		 6824 range_entries = (struct range_entry *)
6825 xmalloc (sizeof (*range_entries) * num_range_list);
01a8f077 6826 range_entry_fill = range_entries;
19e6b90e 6827
01a8f077
JK		 6828 for (i = 0; i < num_debug_info_entries; i++)
6829 {
6830 debug_info *debug_info_p = &debug_information[i];
6831 unsigned int j;
6832
6833 for (j = 0; j < debug_info_p->num_range_lists; j++)
6834 {
6835 range_entry_fill->ranges_offset = debug_info_p->range_lists[j];
6836 range_entry_fill->debug_info_p = debug_info_p;
6837 range_entry_fill++;
19e6b90e
L		 6838 }
6839 }
6840
01a8f077
JK		 6841 qsort (range_entries, num_range_list, sizeof (*range_entries),
6842 range_entry_compar);
19e6b90e 6843
d493b283 6844 if (dwarf_check != 0 && range_entries[0].ranges_offset != 0)
19e6b90e 6845 warn (_("Range lists in %s section start at 0x%lx\n"),
359ca075 6846 section->name, (unsigned long) range_entries[0].ranges_offset);
19e6b90e 6847
dda8d76d
NC		 6848 introduce (section, FALSE);
6849
19e6b90e
L		 6850 printf (_(" Offset Begin End\n"));
6851
01a8f077 6852 for (i = 0; i < num_range_list; i++)
19e6b90e 6853 {
01a8f077
JK		 6854 struct range_entry *range_entry = &range_entries[i];
6855 debug_info *debug_info_p = range_entry->debug_info_p;
19e6b90e 6856 unsigned int pointer_size;
359ca075 6857 dwarf_vma offset;
01a8f077 6858 unsigned char *next;
359ca075 6859 dwarf_vma base_address;
19e6b90e 6860
77145576 6861 pointer_size = (is_rnglists ? address_size : debug_info_p->pointer_size);
d493b283 6862 offset = range_entry->ranges_offset;
01a8f077
JK		 6863 next = section_begin + offset;
6864 base_address = debug_info_p->base_address;
cecf136e 6865
f41e4712
NC		 6866 /* PR 17512: file: 001-101485-0.001:0.1. */
6867 if (pointer_size < 2 || pointer_size > 8)
6868 {
6869 warn (_("Corrupt pointer size (%d) in debug entry at offset %8.8lx\n"),
359ca075 6870 pointer_size, (unsigned long) offset);
f41e4712
NC		 6871 continue;
6872 }
b4eb7656 6873
d11ae95e
NC		 6874 if (next < section_begin || next >= finish)
6875 {
6876 warn (_("Corrupt offset (%#8.8lx) in range entry %u\n"),
6877 (unsigned long) offset, i);
6878 continue;
6879 }
6880
4723351a 6881 if (dwarf_check != 0 && i > 0)
19e6b90e 6882 {
01a8f077
JK		 6883 if (start < next)
6884 warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"),
6885 (unsigned long) (start - section_begin),
6886 (unsigned long) (next - section_begin), section->name);
6887 else if (start > next)
a2ff7a4b
AM		 6888 {
6889 if (next == last_start)
6890 continue;
6891 warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"),
6892 (unsigned long) (start - section_begin),
6893 (unsigned long) (next - section_begin), section->name);
6894 }
01a8f077 6895 }
d11ae95e 6896
01a8f077 6897 start = next;
a2ff7a4b 6898 last_start = next;
19e6b90e 6899
77145576
JK		 6900 (is_rnglists ? display_debug_rnglists_list : display_debug_ranges_list)
6901 (start, finish, pointer_size, offset, base_address);
19e6b90e
L		 6902 }
6903 putchar ('\n');
01a8f077
JK		 6904
6905 free (range_entries);
6906
19e6b90e
L		 6907 return 1;
6908}
6909
6910typedef struct Frame_Chunk
6911{
6912 struct Frame_Chunk *next;
6913 unsigned char *chunk_start;
a1165289 6914 unsigned int ncols;
19e6b90e
L		 6915 /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */
6916 short int *col_type;
6917 int *col_offset;
6918 char *augmentation;
6919 unsigned int code_factor;
6920 int data_factor;
bf5117e3
NC		 6921 dwarf_vma pc_begin;
6922 dwarf_vma pc_range;
32ef3000 6923 unsigned int cfa_reg;
c8071705 6924 dwarf_vma cfa_offset;
a1165289 6925 unsigned int ra;
19e6b90e
L		 6926 unsigned char fde_encoding;
6927 unsigned char cfa_exp;
604282a7
JJ		 6928 unsigned char ptr_size;
6929 unsigned char segment_size;
19e6b90e
L		 6930}
6931Frame_Chunk;
6932
665ce1f6
L		 6933static const char *const *dwarf_regnames;
6934static unsigned int dwarf_regnames_count;
6935
19e6b90e
L		 6936/* A marker for a col_type that means this column was never referenced
6937 in the frame info. */
6938#define DW_CFA_unreferenced (-1)
6939
a1165289 6940/* Return 0 if no more space is needed, 1 if more space is needed,
665ce1f6
L		 6941 -1 for invalid reg. */
6942
6943static int
6944frame_need_space (Frame_Chunk *fc, unsigned int reg)
19e6b90e 6945{
a1165289 6946 unsigned int prev = fc->ncols;
19e6b90e 6947
665ce1f6
L		 6948 if (reg < (unsigned int) fc->ncols)
6949 return 0;
6950
6951 if (dwarf_regnames_count
6952 && reg > dwarf_regnames_count)
6953 return -1;
19e6b90e
L		 6954
6955 fc->ncols = reg + 1;
a1165289
NC		 6956 /* PR 17512: file: 10450-2643-0.004.
6957 If reg == -1 then this can happen... */
6958 if (fc->ncols == 0)
6959 return -1;
6960
06614111
NC		 6961 /* PR 17512: file: 2844a11d. */
6962 if (fc->ncols > 1024)
6963 {
6964 error (_("Unfeasibly large register number: %u\n"), reg);
6965 fc->ncols = 0;
6966 /* FIXME: 1024 is an arbitrary limit. Increase it if
6967 we ever encounter a valid binary that exceeds it. */
6968 return -1;
6969 }
6970
3f5e193b 6971 fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols,
b4eb7656 6972 sizeof (short int));
3f5e193b 6973 fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int));
b4eb7656 6974 /* PR 17512: file:002-10025-0.005. */
041830e0
NC		 6975 if (fc->col_type == NULL || fc->col_offset == NULL)
6976 {
6977 error (_("Out of memory allocating %u columns in dwarf frame arrays\n"),
6978 fc->ncols);
6979 fc->ncols = 0;
6980 return -1;
6981 }
19e6b90e
L		 6982
6983 while (prev < fc->ncols)
6984 {
6985 fc->col_type[prev] = DW_CFA_unreferenced;
6986 fc->col_offset[prev] = 0;
6987 prev++;
6988 }
665ce1f6 6989 return 1;
19e6b90e
L		 6990}
6991
2dc4cec1
L		 6992static const char *const dwarf_regnames_i386[] =
6993{
43234a1e
L		 6994 "eax", "ecx", "edx", "ebx", /* 0 - 3 */
6995 "esp", "ebp", "esi", "edi", /* 4 - 7 */
6996 "eip", "eflags", NULL, /* 8 - 10 */
6997 "st0", "st1", "st2", "st3", /* 11 - 14 */
6998 "st4", "st5", "st6", "st7", /* 15 - 18 */
6999 NULL, NULL, /* 19 - 20 */
7000 "xmm0", "xmm1", "xmm2", "xmm3", /* 21 - 24 */
7001 "xmm4", "xmm5", "xmm6", "xmm7", /* 25 - 28 */
7002 "mm0", "mm1", "mm2", "mm3", /* 29 - 32 */
7003 "mm4", "mm5", "mm6", "mm7", /* 33 - 36 */
7004 "fcw", "fsw", "mxcsr", /* 37 - 39 */
7005 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */
7006 "tr", "ldtr", /* 48 - 49 */
7007 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */
7008 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */
7009 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */
7010 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */
7011 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */
7012 NULL, NULL, NULL, /* 90 - 92 */
7013 "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" /* 93 - 100 */
2dc4cec1
L		 7014};
7015
3d875af5
L		 7016static const char *const dwarf_regnames_iamcu[] =
7017{
7018 "eax", "ecx", "edx", "ebx", /* 0 - 3 */
7019 "esp", "ebp", "esi", "edi", /* 4 - 7 */
7020 "eip", "eflags", NULL, /* 8 - 10 */
7021 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 11 - 18 */
7022 NULL, NULL, /* 19 - 20 */
7023 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 21 - 28 */
7024 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 29 - 36 */
7025 NULL, NULL, NULL, /* 37 - 39 */
7026 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */
7027 "tr", "ldtr", /* 48 - 49 */
7028 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */
7029 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */
7030 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */
7031 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */
7032 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */
7033 NULL, NULL, NULL, /* 90 - 92 */
7034 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL /* 93 - 100 */
7035};
7036
b129eb0e
RH		 7037void
7038init_dwarf_regnames_i386 (void)
7039{
7040 dwarf_regnames = dwarf_regnames_i386;
7041 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386);
7042}
7043
3d875af5
L		 7044void
7045init_dwarf_regnames_iamcu (void)
7046{
7047 dwarf_regnames = dwarf_regnames_iamcu;
7048 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_iamcu);
7049}
7050
2dc4cec1
L		 7051static const char *const dwarf_regnames_x86_64[] =
7052{
7053 "rax", "rdx", "rcx", "rbx",
7054 "rsi", "rdi", "rbp", "rsp",
7055 "r8", "r9", "r10", "r11",
7056 "r12", "r13", "r14", "r15",
7057 "rip",
7058 "xmm0", "xmm1", "xmm2", "xmm3",
7059 "xmm4", "xmm5", "xmm6", "xmm7",
7060 "xmm8", "xmm9", "xmm10", "xmm11",
7061 "xmm12", "xmm13", "xmm14", "xmm15",
7062 "st0", "st1", "st2", "st3",
7063 "st4", "st5", "st6", "st7",
7064 "mm0", "mm1", "mm2", "mm3",
7065 "mm4", "mm5", "mm6", "mm7",
7066 "rflags",
7067 "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL,
7068 "fs.base", "gs.base", NULL, NULL,
7069 "tr", "ldtr",
43234a1e
L		 7070 "mxcsr", "fcw", "fsw",
7071 "xmm16", "xmm17", "xmm18", "xmm19",
7072 "xmm20", "xmm21", "xmm22", "xmm23",
7073 "xmm24", "xmm25", "xmm26", "xmm27",
7074 "xmm28", "xmm29", "xmm30", "xmm31",
7075 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 83 - 90 */
7076 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 91 - 98 */
7077 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 99 - 106 */
7078 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 107 - 114 */
7079 NULL, NULL, NULL, /* 115 - 117 */
7080 "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7"
2dc4cec1
L		 7081};
7082
b129eb0e
RH		 7083void
7084init_dwarf_regnames_x86_64 (void)
7085{
7086 dwarf_regnames = dwarf_regnames_x86_64;
7087 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64);
7088}
7089
4ee22035
RH		 7090static const char *const dwarf_regnames_aarch64[] =
7091{
b4eb7656
AM		 7092 "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7",
7093 "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15",
4ee22035
RH		 7094 "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23",
7095 "x24", "x25", "x26", "x27", "x28", "x29", "x30", "sp",
7096 NULL, "elr", NULL, NULL, NULL, NULL, NULL, NULL,
7097 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7098 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7099 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
b4eb7656
AM		 7100 "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7",
7101 "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15",
4ee22035
RH		 7102 "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23",
7103 "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31",
7104};
7105
7106void
7107init_dwarf_regnames_aarch64 (void)
7108{
7109 dwarf_regnames = dwarf_regnames_aarch64;
7110 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_aarch64);
7111}
7112
d6bb17b0
AA		 7113static const char *const dwarf_regnames_s390[] =
7114{
7115 /* Avoid saying "r5 (r5)", so omit the names of r0-r15. */
7116 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7117 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
7118 "f0", "f2", "f4", "f6", "f1", "f3", "f5", "f7",
7119 "f8", "f10", "f12", "f14", "f9", "f11", "f13", "f15",
7120 "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",
7121 "cr8", "cr9", "cr10", "cr11", "cr12", "cr13", "cr14", "cr15",
7122 "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7",
7123 "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15",
7124 "pswm", "pswa",
7125 NULL, NULL,
7126 "v16", "v18", "v20", "v22", "v17", "v19", "v21", "v23",
7127 "v24", "v26", "v28", "v30", "v25", "v27", "v29", "v31",
7128};
7129
7130void
7131init_dwarf_regnames_s390 (void)
7132{
7133 dwarf_regnames = dwarf_regnames_s390;
7134 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_s390);
7135}
7136
5bb0830d
AB		 7137static const char *const dwarf_regnames_riscv[] =
7138{
7139 "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", /* 0 - 7 */
7140 "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", /* 8 - 15 */
7141 "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", /* 16 - 23 */
7142 "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", /* 24 - 31 */
7143 "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", /* 32 - 39 */
7144 "fs0", "fs1", /* 40 - 41 */
7145 "fa0", "fa1", "fa2", "fa3", "fa4", "fa5", "fa6", "fa7", /* 42 - 49 */
7146 "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", "fs8", "fs9", /* 50 - 57 */
7147 "fs10", "fs11", /* 58 - 59 */
7148 "ft8", "ft9", "ft10", "ft11" /* 60 - 63 */
7149};
7150
7151void
7152init_dwarf_regnames_riscv (void)
7153{
7154 dwarf_regnames = dwarf_regnames_riscv;
7155 dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_riscv);
7156}
7157
2dc4cec1
L		 7158void
7159init_dwarf_regnames (unsigned int e_machine)
7160{
7161 switch (e_machine)
7162 {
7163 case EM_386:
b129eb0e 7164 init_dwarf_regnames_i386 ();
2dc4cec1
L		 7165 break;
7166
3d875af5
L		 7167 case EM_IAMCU:
7168 init_dwarf_regnames_iamcu ();
7169 break;
7170
2dc4cec1 7171 case EM_X86_64:
7f502d6c 7172 case EM_L1OM:
7a9068fe 7173 case EM_K1OM:
b129eb0e 7174 init_dwarf_regnames_x86_64 ();
2dc4cec1
L		 7175 break;
7176
4ee22035
RH		 7177 case EM_AARCH64:
7178 init_dwarf_regnames_aarch64 ();
7179 break;
7180
d6bb17b0
AA		 7181 case EM_S390:
7182 init_dwarf_regnames_s390 ();
7183 break;
7184
5bb0830d
AB		 7185 case EM_RISCV:
7186 init_dwarf_regnames_riscv ();
7187 break;
7188
2dc4cec1
L		 7189 default:
7190 break;
7191 }
7192}
7193
7194static const char *
7195regname (unsigned int regno, int row)
7196{
7197 static char reg[64];
7f2c8a1d 7198
2dc4cec1
L		 7199 if (dwarf_regnames
7200 && regno < dwarf_regnames_count
7201 && dwarf_regnames [regno] != NULL)
7202 {
7203 if (row)
7204 return dwarf_regnames [regno];
7205 snprintf (reg, sizeof (reg), "r%d (%s)", regno,
7206 dwarf_regnames [regno]);
7207 }
7208 else
7209 snprintf (reg, sizeof (reg), "r%d", regno);
7210 return reg;
7211}
7212
19e6b90e 7213static void
a1165289 7214frame_display_row (Frame_Chunk *fc, int *need_col_headers, unsigned int *max_regs)
19e6b90e 7215{
a1165289 7216 unsigned int r;
19e6b90e
L		 7217 char tmp[100];
7218
d8024a91 7219 if (*max_regs != fc->ncols)
19e6b90e
L		 7220 *max_regs = fc->ncols;
7221
7222 if (*need_col_headers)
7223 {
91d6fa6a 7224 static const char *sloc = " LOC";
2dc4cec1 7225
19e6b90e
L		 7226 *need_col_headers = 0;
7227
91d6fa6a 7228 printf ("%-*s CFA ", eh_addr_size * 2, sloc);
19e6b90e
L		 7229
7230 for (r = 0; r < *max_regs; r++)
7231 if (fc->col_type[r] != DW_CFA_unreferenced)
7232 {
7233 if (r == fc->ra)
50751e18 7234 printf ("ra ");
19e6b90e 7235 else
2dc4cec1 7236 printf ("%-5s ", regname (r, 1));
19e6b90e
L		 7237 }
7238
7239 printf ("\n");
7240 }
7241
bf5117e3 7242 print_dwarf_vma (fc->pc_begin, eh_addr_size);
19e6b90e
L		 7243 if (fc->cfa_exp)
7244 strcpy (tmp, "exp");
7245 else
c8071705 7246 sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), (int) fc->cfa_offset);
19e6b90e
L		 7247 printf ("%-8s ", tmp);
7248
7249 for (r = 0; r < fc->ncols; r++)
7250 {
7251 if (fc->col_type[r] != DW_CFA_unreferenced)
7252 {
7253 switch (fc->col_type[r])
7254 {
7255 case DW_CFA_undefined:
7256 strcpy (tmp, "u");
7257 break;
7258 case DW_CFA_same_value:
7259 strcpy (tmp, "s");
7260 break;
7261 case DW_CFA_offset:
7262 sprintf (tmp, "c%+d", fc->col_offset[r]);
7263 break;
12eae2d3
JJ		 7264 case DW_CFA_val_offset:
7265 sprintf (tmp, "v%+d", fc->col_offset[r]);
7266 break;
19e6b90e 7267 case DW_CFA_register:
2dc4cec1 7268 sprintf (tmp, "%s", regname (fc->col_offset[r], 0));
19e6b90e
L		 7269 break;
7270 case DW_CFA_expression:
7271 strcpy (tmp, "exp");
7272 break;
12eae2d3
JJ		 7273 case DW_CFA_val_expression:
7274 strcpy (tmp, "vexp");
7275 break;
19e6b90e
L		 7276 default:
7277 strcpy (tmp, "n/a");
7278 break;
7279 }
2dc4cec1 7280 printf ("%-5s ", tmp);
19e6b90e
L		 7281 }
7282 }
7283 printf ("\n");
7284}
7285
49727e46 7286#define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end)
19e6b90e 7287
49727e46
AM		 7288static unsigned char *
7289read_cie (unsigned char *start, unsigned char *end,
7290 Frame_Chunk **p_cie, int *p_version,
bf59c5d5 7291 bfd_size_type *p_aug_len, unsigned char **p_aug)
49727e46
AM		 7292{
7293 int version;
7294 Frame_Chunk *fc;
7295 unsigned int length_return;
7296 unsigned char *augmentation_data = NULL;
bf59c5d5 7297 bfd_size_type augmentation_data_len = 0;
49727e46 7298
041830e0 7299 * p_cie = NULL;
f41e4712
NC		 7300 /* PR 17512: file: 001-228113-0.004. */
7301 if (start >= end)
7302 return end;
7303
49727e46
AM		 7304 fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
7305 memset (fc, 0, sizeof (Frame_Chunk));
7306
7307 fc->col_type = (short int *) xmalloc (sizeof (short int));
7308 fc->col_offset = (int *) xmalloc (sizeof (int));
7309
7310 version = *start++;
7311
7312 fc->augmentation = (char *) start;
f41e4712
NC		 7313 /* PR 17512: file: 001-228113-0.004.
7314 Skip past augmentation name, but avoid running off the end of the data. */
7315 while (start < end)
7316 if (* start ++ == '\0')
7317 break;
7318 if (start == end)
7319 {
7320 warn (_("No terminator for augmentation name\n"));
442a6ce8 7321 goto fail;
f41e4712 7322 }
49727e46
AM		 7323
7324 if (strcmp (fc->augmentation, "eh") == 0)
7325 start += eh_addr_size;
7326
7327 if (version >= 4)
7328 {
7329 GET (fc->ptr_size, 1);
77ef8654
NC		 7330 if (fc->ptr_size < 1 || fc->ptr_size > 8)
7331 {
7332 warn (_("Invalid pointer size (%d) in CIE data\n"), fc->ptr_size);
442a6ce8 7333 goto fail;
77ef8654
NC		 7334 }
7335
49727e46 7336 GET (fc->segment_size, 1);
77ef8654
NC		 7337 /* PR 17512: file: e99d2804. */
7338 if (fc->segment_size > 8 || fc->segment_size + fc->ptr_size > 8)
7339 {
7340 warn (_("Invalid segment size (%d) in CIE data\n"), fc->segment_size);
442a6ce8 7341 goto fail;
77ef8654
NC		 7342 }
7343
49727e46
AM		 7344 eh_addr_size = fc->ptr_size;
7345 }
7346 else
7347 {
7348 fc->ptr_size = eh_addr_size;
7349 fc->segment_size = 0;
7350 }
442a6ce8 7351
7f2c8a1d
NC		 7352 READ_ULEB (fc->code_factor);
7353 READ_SLEB (fc->data_factor);
442a6ce8 7354
49727e46
AM		 7355 if (version == 1)
7356 {
7357 GET (fc->ra, 1);
7358 }
7359 else
7360 {
7f2c8a1d 7361 READ_ULEB (fc->ra);
49727e46
AM		 7362 }
7363
7364 if (fc->augmentation[0] == 'z')
7365 {
7f2c8a1d 7366 READ_ULEB (augmentation_data_len);
49727e46 7367 augmentation_data = start;
a1165289 7368 /* PR 17512: file: 11042-2589-0.004. */
bf59c5d5 7369 if (augmentation_data_len > (bfd_size_type) (end - start))
a1165289 7370 {
bf59c5d5
NC		 7371 warn (_("Augmentation data too long: 0x%s, expected at most %#lx\n"),
7372 dwarf_vmatoa ("x", augmentation_data_len),
7373 (unsigned long) (end - start));
442a6ce8 7374 goto fail;
a1165289 7375 }
9c0f3d3f 7376 start += augmentation_data_len;
49727e46
AM		 7377 }
7378
7379 if (augmentation_data_len)
7380 {
058037d3
NC		 7381 unsigned char *p;
7382 unsigned char *q;
7383 unsigned char *qend;
b4eb7656 7384
49727e46
AM		 7385 p = (unsigned char *) fc->augmentation + 1;
7386 q = augmentation_data;
058037d3
NC		 7387 qend = q + augmentation_data_len;
7388
9c0f3d3f 7389 while (p < end && q < qend)
49727e46
AM		 7390 {
7391 if (*p == 'L')
7392 q++;
7393 else if (*p == 'P')
7394 q += 1 + size_of_encoded_value (*q);
7395 else if (*p == 'R')
7396 fc->fde_encoding = *q++;
7397 else if (*p == 'S')
7398 ;
7399 else
7400 break;
7401 p++;
7402 }
c361b9ac
NC		 7403 /* Note - it is OK if this loop terminates with q < qend.
7404 Padding may have been inserted to align the end of the CIE. */
49727e46
AM		 7405 }
7406
7407 *p_cie = fc;
7408 if (p_version)
7409 *p_version = version;
7410 if (p_aug_len)
7411 {
7412 *p_aug_len = augmentation_data_len;
7413 *p_aug = augmentation_data;
7414 }
7415 return start;
442a6ce8
NC		 7416
7417 fail:
7418 free (fc->col_offset);
7419 free (fc->col_type);
7420 free (fc);
7421 return end;
49727e46
AM		 7422}
7423
d85bf2ba
NC		 7424/* Prints out the contents on the DATA array formatted as unsigned bytes.
7425 If do_wide is not enabled, then formats the output to fit into 80 columns.
7426 PRINTED contains the number of characters already written to the current
7427 output line. */
bf59c5d5
NC		 7428
7429static void
d85bf2ba
NC		 7430display_data (bfd_size_type printed,
7431 const unsigned char * data,
7432 const bfd_size_type len)
bf59c5d5 7433{
d85bf2ba
NC		 7434 if (do_wide || len < ((80 - printed) / 3))
7435 for (printed = 0; printed < len; ++printed)
7436 printf (" %02x", data[printed]);
bf59c5d5
NC		 7437 else
7438 {
d85bf2ba 7439 for (printed = 0; printed < len; ++printed)
bf59c5d5 7440 {
d85bf2ba 7441 if (printed % (80 / 3) == 0)
bf59c5d5 7442 putchar ('\n');
d85bf2ba 7443 printf (" %02x", data[printed]);
bf59c5d5
NC		 7444 }
7445 }
d85bf2ba
NC		 7446}
7447
7448/* Prints out the contents on the augmentation data array.
7449 If do_wide is not enabled, then formats the output to fit into 80 columns. */
7450
7451static void
7452display_augmentation_data (const unsigned char * data, const bfd_size_type len)
7453{
7454 bfd_size_type i;
7455
7456 i = printf (_(" Augmentation data: "));
7457 display_data (i, data, len);
bf59c5d5
NC		 7458}
7459
19e6b90e
L		 7460static int
7461display_debug_frames (struct dwarf_section *section,
7462 void *file ATTRIBUTE_UNUSED)
7463{
7464 unsigned char *start = section->start;
7465 unsigned char *end = start + section->size;
7466 unsigned char *section_start = start;
3391569f
NC		 7467 Frame_Chunk *chunks = NULL, *forward_refs = NULL;
7468 Frame_Chunk *remembered_state = NULL;
19e6b90e 7469 Frame_Chunk *rs;
3391569f 7470 bfd_boolean is_eh = strcmp (section->name, ".eh_frame") == 0;
19e6b90e 7471 unsigned int length_return;
a1165289 7472 unsigned int max_regs = 0;
665ce1f6 7473 const char *bad_reg = _("bad register: ");
77ef8654 7474 unsigned int saved_eh_addr_size = eh_addr_size;
19e6b90e 7475
dda8d76d 7476 introduce (section, FALSE);
19e6b90e
L		 7477
7478 while (start < end)
7479 {
7480 unsigned char *saved_start;
7481 unsigned char *block_end;
bf5117e3
NC		 7482 dwarf_vma length;
7483 dwarf_vma cie_id;
19e6b90e
L		 7484 Frame_Chunk *fc;
7485 Frame_Chunk *cie;
7486 int need_col_headers = 1;
7487 unsigned char *augmentation_data = NULL;
bf59c5d5 7488 bfd_size_type augmentation_data_len = 0;
bf5117e3
NC		 7489 unsigned int encoded_ptr_size = saved_eh_addr_size;
7490 unsigned int offset_size;
7491 unsigned int initial_length_size;
5b6312fd 7492 bfd_boolean all_nops;
19e6b90e
L		 7493
7494 saved_start = start;
19e6b90e 7495
0c588247 7496 SAFE_BYTE_GET_AND_INC (length, start, 4, end);
041830e0 7497
19e6b90e
L		 7498 if (length == 0)
7499 {
7500 printf ("\n%08lx ZERO terminator\n\n",
7501 (unsigned long)(saved_start - section_start));
6937bb54
NC		 7502 /* Skip any zero terminators that directly follow.
7503 A corrupt section size could have loaded a whole
7504 slew of zero filled memory bytes. eg
7505 PR 17512: file: 070-19381-0.004. */
7506 while (start < end && * start == 0)
7507 ++ start;
b758e50f 7508 continue;
19e6b90e
L		 7509 }
7510
7511 if (length == 0xffffffff)
7512 {
0c588247 7513 SAFE_BYTE_GET_AND_INC (length, start, 8, end);
19e6b90e
L		 7514 offset_size = 8;
7515 initial_length_size = 12;
7516 }
7517 else
7518 {
7519 offset_size = 4;
7520 initial_length_size = 4;
7521 }
7522
7523 block_end = saved_start + length + initial_length_size;
041830e0 7524 if (block_end > end || block_end < start)
53b8873b 7525 {
bf5117e3
NC		 7526 warn ("Invalid length 0x%s in FDE at %#08lx\n",
7527 dwarf_vmatoa_1 (NULL, length, offset_size),
7528 (unsigned long) (saved_start - section_start));
53b8873b
NC		 7529 block_end = end;
7530 }
0c588247
NC		 7531
7532 SAFE_BYTE_GET_AND_INC (cie_id, start, offset_size, end);
19e6b90e 7533
846a11e4
NC		 7534 if (is_eh ? (cie_id == 0) : ((offset_size == 4 && cie_id == DW_CIE_ID)
7535 || (offset_size == 8 && cie_id == DW64_CIE_ID)))
19e6b90e
L		 7536 {
7537 int version;
a1165289 7538 unsigned int mreg;
19e6b90e 7539
49727e46
AM		 7540 start = read_cie (start, end, &cie, &version,
7541 &augmentation_data_len, &augmentation_data);
041830e0
NC		 7542 /* PR 17512: file: 027-135133-0.005. */
7543 if (cie == NULL)
7544 break;
a1165289 7545
49727e46 7546 fc = cie;
19e6b90e
L		 7547 fc->next = chunks;
7548 chunks = fc;
7549 fc->chunk_start = saved_start;
a1165289 7550 mreg = max_regs > 0 ? max_regs - 1 : 0;
49727e46
AM		 7551 if (mreg < fc->ra)
7552 mreg = fc->ra;
06614111
NC		 7553 if (frame_need_space (fc, mreg) < 0)
7554 break;
49727e46
AM		 7555 if (fc->fde_encoding)
7556 encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
19e6b90e 7557
bf5117e3
NC		 7558 printf ("\n%08lx ", (unsigned long) (saved_start - section_start));
7559 print_dwarf_vma (length, fc->ptr_size);
9c41109d 7560 print_dwarf_vma (cie_id, offset_size);
bf5117e3 7561
19e6b90e 7562 if (do_debug_frames_interp)
bf5117e3
NC		 7563 {
7564 printf ("CIE \"%s\" cf=%d df=%d ra=%d\n", fc->augmentation,
7565 fc->code_factor, fc->data_factor, fc->ra);
7566 }
19e6b90e
L		 7567 else
7568 {
bf5117e3 7569 printf ("CIE\n");
19e6b90e
L		 7570 printf (" Version: %d\n", version);
7571 printf (" Augmentation: \"%s\"\n", fc->augmentation);
604282a7
JJ		 7572 if (version >= 4)
7573 {
7574 printf (" Pointer Size: %u\n", fc->ptr_size);
7575 printf (" Segment Size: %u\n", fc->segment_size);
7576 }
19e6b90e
L		 7577 printf (" Code alignment factor: %u\n", fc->code_factor);
7578 printf (" Data alignment factor: %d\n", fc->data_factor);
7579 printf (" Return address column: %d\n", fc->ra);
7580
7581 if (augmentation_data_len)
bf59c5d5 7582 display_augmentation_data (augmentation_data, augmentation_data_len);
a1165289 7583
19e6b90e
L		 7584 putchar ('\n');
7585 }
19e6b90e
L		 7586 }
7587 else
7588 {
7589 unsigned char *look_for;
7590 static Frame_Chunk fde_fc;
604282a7 7591 unsigned long segment_selector;
19e6b90e 7592
49727e46
AM		 7593 if (is_eh)
7594 {
7595 dwarf_vma sign = (dwarf_vma) 1 << (offset_size * 8 - 1);
7596 look_for = start - 4 - ((cie_id ^ sign) - sign);
7597 }
7598 else
7599 look_for = section_start + cie_id;
19e6b90e 7600
49727e46
AM		 7601 if (look_for <= saved_start)
7602 {
7603 for (cie = chunks; cie ; cie = cie->next)
7604 if (cie->chunk_start == look_for)
7605 break;
7606 }
7607 else
7608 {
7609 for (cie = forward_refs; cie ; cie = cie->next)
7610 if (cie->chunk_start == look_for)
7611 break;
7612 if (!cie)
7613 {
7614 unsigned int off_size;
7615 unsigned char *cie_scan;
19e6b90e 7616
49727e46
AM		 7617 cie_scan = look_for;
7618 off_size = 4;
7619 SAFE_BYTE_GET_AND_INC (length, cie_scan, 4, end);
7620 if (length == 0xffffffff)
7621 {
7622 SAFE_BYTE_GET_AND_INC (length, cie_scan, 8, end);
7623 off_size = 8;
7624 }
7625 if (length != 0)
7626 {
7627 dwarf_vma c_id;
7628
7629 SAFE_BYTE_GET_AND_INC (c_id, cie_scan, off_size, end);
7630 if (is_eh
7631 ? c_id == 0
7632 : ((off_size == 4 && c_id == DW_CIE_ID)
7633 || (off_size == 8 && c_id == DW64_CIE_ID)))
7634 {
7635 int version;
a1165289 7636 unsigned int mreg;
49727e46
AM		 7637
7638 read_cie (cie_scan, end, &cie, &version,
7639 &augmentation_data_len, &augmentation_data);
a1165289
NC		 7640 /* PR 17512: file: 3450-2098-0.004. */
7641 if (cie == NULL)
7642 {
7643 warn (_("Failed to read CIE information\n"));
7644 break;
7645 }
49727e46
AM		 7646 cie->next = forward_refs;
7647 forward_refs = cie;
7648 cie->chunk_start = look_for;
a1165289 7649 mreg = max_regs > 0 ? max_regs - 1 : 0;
49727e46
AM		 7650 if (mreg < cie->ra)
7651 mreg = cie->ra;
06614111
NC		 7652 if (frame_need_space (cie, mreg) < 0)
7653 {
7654 warn (_("Invalid max register\n"));
7655 break;
7656 }
49727e46
AM		 7657 if (cie->fde_encoding)
7658 encoded_ptr_size
7659 = size_of_encoded_value (cie->fde_encoding);
7660 }
7661 }
7662 }
7663 }
7664
7665 fc = &fde_fc;
7666 memset (fc, 0, sizeof (Frame_Chunk));
19e6b90e
L		 7667
7668 if (!cie)
7669 {
bf5117e3
NC		 7670 warn ("Invalid CIE pointer 0x%s in FDE at %#08lx\n",
7671 dwarf_vmatoa_1 (NULL, cie_id, offset_size),
7672 (unsigned long) (saved_start - section_start));
19e6b90e 7673 fc->ncols = 0;
3f5e193b
NC		 7674 fc->col_type = (short int *) xmalloc (sizeof (short int));
7675 fc->col_offset = (int *) xmalloc (sizeof (int));
06614111
NC		 7676 if (frame_need_space (fc, max_regs > 0 ? max_regs - 1 : 0) < 0)
7677 {
7678 warn (_("Invalid max register\n"));
7679 break;
7680 }
19e6b90e
L		 7681 cie = fc;
7682 fc->augmentation = "";
7683 fc->fde_encoding = 0;
604282a7
JJ		 7684 fc->ptr_size = eh_addr_size;
7685 fc->segment_size = 0;
19e6b90e
L		 7686 }
7687 else
7688 {
7689 fc->ncols = cie->ncols;
3f5e193b
NC		 7690 fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int));
7691 fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int));
19e6b90e
L		 7692 memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int));
7693 memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int));
7694 fc->augmentation = cie->augmentation;
604282a7
JJ		 7695 fc->ptr_size = cie->ptr_size;
7696 eh_addr_size = cie->ptr_size;
7697 fc->segment_size = cie->segment_size;
19e6b90e
L		 7698 fc->code_factor = cie->code_factor;
7699 fc->data_factor = cie->data_factor;
7700 fc->cfa_reg = cie->cfa_reg;
7701 fc->cfa_offset = cie->cfa_offset;
7702 fc->ra = cie->ra;
06614111
NC		 7703 if (frame_need_space (fc, max_regs > 0 ? max_regs - 1: 0) < 0)
7704 {
7705 warn (_("Invalid max register\n"));
7706 break;
7707 }
19e6b90e
L		 7708 fc->fde_encoding = cie->fde_encoding;
7709 }
7710
7711 if (fc->fde_encoding)
7712 encoded_ptr_size = size_of_encoded_value (fc->fde_encoding);
7713
604282a7
JJ		 7714 segment_selector = 0;
7715 if (fc->segment_size)
c8071705
NC		 7716 {
7717 if (fc->segment_size > sizeof (segment_selector))
7718 {
7719 /* PR 17512: file: 9e196b3e. */
7720 warn (_("Probably corrupt segment size: %d - using 4 instead\n"), fc->segment_size);
7721 fc->segment_size = 4;
7722 }
7723 SAFE_BYTE_GET_AND_INC (segment_selector, start, fc->segment_size, end);
7724 }
041830e0
NC		 7725
7726 fc->pc_begin = get_encoded_value (&start, fc->fde_encoding, section, end);
19e6b90e 7727
0c588247
NC		 7728 /* FIXME: It appears that sometimes the final pc_range value is
7729 encoded in less than encoded_ptr_size bytes. See the x86_64
7730 run of the "objcopy on compressed debug sections" test for an
7731 example of this. */
7732 SAFE_BYTE_GET_AND_INC (fc->pc_range, start, encoded_ptr_size, end);
bf5117e3 7733
19e6b90e
L		 7734 if (cie->augmentation[0] == 'z')
7735 {
7f2c8a1d 7736 READ_ULEB (augmentation_data_len);
19e6b90e
L		 7737 augmentation_data = start;
7738 start += augmentation_data_len;
bf59c5d5
NC		 7739 /* PR 17512 file: 722-8446-0.004 and PR 22386. */
7740 if (start >= end
7741 || ((bfd_signed_vma) augmentation_data_len) < 0
7742 || augmentation_data > start)
0a9d414a 7743 {
bf59c5d5
NC		 7744 warn (_("Corrupt augmentation data length: 0x%s\n"),
7745 dwarf_vmatoa ("x", augmentation_data_len));
0a9d414a
NC		 7746 start = end;
7747 augmentation_data = NULL;
7748 augmentation_data_len = 0;
7749 }
19e6b90e
L		 7750 }
7751
bf5117e3
NC		 7752 printf ("\n%08lx %s %s FDE cie=%08lx pc=",
7753 (unsigned long)(saved_start - section_start),
7754 dwarf_vmatoa_1 (NULL, length, fc->ptr_size),
9c41109d 7755 dwarf_vmatoa_1 (NULL, cie_id, offset_size),
604282a7 7756 (unsigned long)(cie->chunk_start - section_start));
bf5117e3 7757
604282a7
JJ		 7758 if (fc->segment_size)
7759 printf ("%04lx:", segment_selector);
bf5117e3
NC		 7760
7761 printf ("%s..%s\n",
7762 dwarf_vmatoa_1 (NULL, fc->pc_begin, fc->ptr_size),
7763 dwarf_vmatoa_1 (NULL, fc->pc_begin + fc->pc_range, fc->ptr_size));
7764
19e6b90e
L		 7765 if (! do_debug_frames_interp && augmentation_data_len)
7766 {
bf59c5d5 7767 display_augmentation_data (augmentation_data, augmentation_data_len);
19e6b90e
L		 7768 putchar ('\n');
7769 }
7770 }
7771
7772 /* At this point, fc is the current chunk, cie (if any) is set, and
7773 we're about to interpret instructions for the chunk. */
7774 /* ??? At present we need to do this always, since this sizes the
7775 fc->col_type and fc->col_offset arrays, which we write into always.
7776 We should probably split the interpreted and non-interpreted bits
7777 into two different routines, since there's so much that doesn't
7778 really overlap between them. */
7779 if (1 || do_debug_frames_interp)
7780 {
7781 /* Start by making a pass over the chunk, allocating storage
7782 and taking note of what registers are used. */
7783 unsigned char *tmp = start;
7784
7785 while (start < block_end)
7786 {
041830e0
NC		 7787 unsigned int reg, op, opa;
7788 unsigned long temp;
5929c344 7789 unsigned char * new_start;
19e6b90e
L		 7790
7791 op = *start++;
7792 opa = op & 0x3f;
7793 if (op & 0xc0)
7794 op &= 0xc0;
7795
7796 /* Warning: if you add any more cases to this switch, be
7797 sure to add them to the corresponding switch below. */
7798 switch (op)
7799 {
7800 case DW_CFA_advance_loc:
7801 break;
7802 case DW_CFA_offset:
7f2c8a1d 7803 SKIP_ULEB ();
665ce1f6
L		 7804 if (frame_need_space (fc, opa) >= 0)
7805 fc->col_type[opa] = DW_CFA_undefined;
19e6b90e
L		 7806 break;
7807 case DW_CFA_restore:
665ce1f6
L		 7808 if (frame_need_space (fc, opa) >= 0)
7809 fc->col_type[opa] = DW_CFA_undefined;
19e6b90e
L		 7810 break;
7811 case DW_CFA_set_loc:
7812 start += encoded_ptr_size;
7813 break;
7814 case DW_CFA_advance_loc1:
7815 start += 1;
7816 break;
7817 case DW_CFA_advance_loc2:
7818 start += 2;
7819 break;
7820 case DW_CFA_advance_loc4:
7821 start += 4;
7822 break;
7823 case DW_CFA_offset_extended:
12eae2d3 7824 case DW_CFA_val_offset:
7f2c8a1d
NC		 7825 READ_ULEB (reg);
7826 SKIP_ULEB ();
665ce1f6
L		 7827 if (frame_need_space (fc, reg) >= 0)
7828 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 7829 break;
7830 case DW_CFA_restore_extended:
7f2c8a1d 7831 READ_ULEB (reg);
665ce1f6
L		 7832 if (frame_need_space (fc, reg) >= 0)
7833 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 7834 break;
7835 case DW_CFA_undefined:
7f2c8a1d 7836 READ_ULEB (reg);
665ce1f6
L		 7837 if (frame_need_space (fc, reg) >= 0)
7838 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 7839 break;
7840 case DW_CFA_same_value:
7f2c8a1d 7841 READ_ULEB (reg);
665ce1f6
L		 7842 if (frame_need_space (fc, reg) >= 0)
7843 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 7844 break;
7845 case DW_CFA_register:
7f2c8a1d
NC		 7846 READ_ULEB (reg);
7847 SKIP_ULEB ();
665ce1f6
L		 7848 if (frame_need_space (fc, reg) >= 0)
7849 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 7850 break;
7851 case DW_CFA_def_cfa:
7f2c8a1d
NC		 7852 SKIP_ULEB ();
7853 SKIP_ULEB ();
19e6b90e
L		 7854 break;
7855 case DW_CFA_def_cfa_register:
7f2c8a1d 7856 SKIP_ULEB ();
19e6b90e
L		 7857 break;
7858 case DW_CFA_def_cfa_offset:
7f2c8a1d 7859 SKIP_ULEB ();
19e6b90e
L		 7860 break;
7861 case DW_CFA_def_cfa_expression:
7f2c8a1d 7862 READ_ULEB (temp);
5929c344
NC		 7863 new_start = start + temp;
7864 if (new_start < start)
041830e0
NC		 7865 {
7866 warn (_("Corrupt CFA_def expression value: %lu\n"), temp);
7867 start = block_end;
7868 }
7869 else
5929c344 7870 start = new_start;
19e6b90e
L		 7871 break;
7872 case DW_CFA_expression:
12eae2d3 7873 case DW_CFA_val_expression:
7f2c8a1d
NC		 7874 READ_ULEB (reg);
7875 READ_ULEB (temp);
5929c344
NC		 7876 new_start = start + temp;
7877 if (new_start < start)
041830e0 7878 {
b4eb7656 7879 /* PR 17512: file:306-192417-0.005. */
041830e0
NC		 7880 warn (_("Corrupt CFA expression value: %lu\n"), temp);
7881 start = block_end;
7882 }
7883 else
5929c344 7884 start = new_start;
665ce1f6
L		 7885 if (frame_need_space (fc, reg) >= 0)
7886 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 7887 break;
7888 case DW_CFA_offset_extended_sf:
12eae2d3 7889 case DW_CFA_val_offset_sf:
7f2c8a1d
NC		 7890 READ_ULEB (reg);
7891 SKIP_SLEB ();
665ce1f6
L		 7892 if (frame_need_space (fc, reg) >= 0)
7893 fc->col_type[reg] = DW_CFA_undefined;
19e6b90e
L		 7894 break;
7895 case DW_CFA_def_cfa_sf:
7f2c8a1d
NC		 7896 SKIP_ULEB ();
7897 SKIP_SLEB ();
19e6b90e
L		 7898 break;
7899 case DW_CFA_def_cfa_offset_sf:
7f2c8a1d 7900 SKIP_SLEB ();
19e6b90e
L		 7901 break;
7902 case DW_CFA_MIPS_advance_loc8:
7903 start += 8;
7904 break;
7905 case DW_CFA_GNU_args_size:
7f2c8a1d 7906 SKIP_ULEB ();
19e6b90e
L		 7907 break;
7908 case DW_CFA_GNU_negative_offset_extended:
7f2c8a1d
NC		 7909 READ_ULEB (reg);
7910 SKIP_ULEB ();
665ce1f6
L		 7911 if (frame_need_space (fc, reg) >= 0)
7912 fc->col_type[reg] = DW_CFA_undefined;
7913 break;
19e6b90e
L		 7914 default:
7915 break;
7916 }
7917 }
7918 start = tmp;
7919 }
7920
5b6312fd
NC		 7921 all_nops = TRUE;
7922
19e6b90e
L		 7923 /* Now we know what registers are used, make a second pass over
7924 the chunk, this time actually printing out the info. */
7925
7926 while (start < block_end)
7927 {
362beea4 7928 unsigned char * tmp;
19e6b90e 7929 unsigned op, opa;
7f2c8a1d
NC		 7930 unsigned long ul, roffs;
7931 /* Note: It is tempting to use an unsigned long for 'reg' but there
7932 are various functions, notably frame_space_needed() that assume that
7933 reg is an unsigned int. */
7934 unsigned int reg;
7935 dwarf_signed_vma l;
bf5117e3 7936 dwarf_vma ofs;
19e6b90e 7937 dwarf_vma vma;
665ce1f6 7938 const char *reg_prefix = "";
19e6b90e
L		 7939
7940 op = *start++;
7941 opa = op & 0x3f;
7942 if (op & 0xc0)
7943 op &= 0xc0;
7944
5b6312fd
NC		 7945 /* Make a note if something other than DW_CFA_nop happens. */
7946 if (op != DW_CFA_nop)
7947 all_nops = FALSE;
7948
19e6b90e
L		 7949 /* Warning: if you add any more cases to this switch, be
7950 sure to add them to the corresponding switch above. */
7951 switch (op)
7952 {
7953 case DW_CFA_advance_loc:
7954 if (do_debug_frames_interp)
7955 frame_display_row (fc, &need_col_headers, &max_regs);
7956 else
bf5117e3 7957 printf (" DW_CFA_advance_loc: %d to %s\n",
19e6b90e 7958 opa * fc->code_factor,
b4eb7656 7959 dwarf_vmatoa_1 (NULL,
bf5117e3
NC		 7960 fc->pc_begin + opa * fc->code_factor,
7961 fc->ptr_size));
19e6b90e
L		 7962 fc->pc_begin += opa * fc->code_factor;
7963 break;
7964
7965 case DW_CFA_offset:
7f2c8a1d 7966 READ_ULEB (roffs);
665ce1f6
L		 7967 if (opa >= (unsigned int) fc->ncols)
7968 reg_prefix = bad_reg;
7969 if (! do_debug_frames_interp || *reg_prefix != '\0')
7970 printf (" DW_CFA_offset: %s%s at cfa%+ld\n",
7971 reg_prefix, regname (opa, 0),
7972 roffs * fc->data_factor);
7973 if (*reg_prefix == '\0')
7974 {
7975 fc->col_type[opa] = DW_CFA_offset;
7976 fc->col_offset[opa] = roffs * fc->data_factor;
7977 }
19e6b90e
L		 7978 break;
7979
7980 case DW_CFA_restore:
50751e18 7981 if (opa >= (unsigned int) fc->ncols)
665ce1f6
L		 7982 reg_prefix = bad_reg;
7983 if (! do_debug_frames_interp || *reg_prefix != '\0')
7984 printf (" DW_CFA_restore: %s%s\n",
7985 reg_prefix, regname (opa, 0));
50751e18
AK		 7986 if (*reg_prefix != '\0')
7987 break;
7988
7989 if (opa >= (unsigned int) cie->ncols
7990 || (do_debug_frames_interp
7991 && cie->col_type[opa] == DW_CFA_unreferenced))
7992 {
7993 fc->col_type[opa] = DW_CFA_undefined;
7994 fc->col_offset[opa] = 0;
7995 }
7996 else
665ce1f6
L		 7997 {
7998 fc->col_type[opa] = cie->col_type[opa];
7999 fc->col_offset[opa] = cie->col_offset[opa];
8000 }
19e6b90e
L		 8001 break;
8002
8003 case DW_CFA_set_loc:
6937bb54 8004 vma = get_encoded_value (&start, fc->fde_encoding, section, block_end);
19e6b90e
L		 8005 if (do_debug_frames_interp)
8006 frame_display_row (fc, &need_col_headers, &max_regs);
8007 else
bf5117e3
NC		 8008 printf (" DW_CFA_set_loc: %s\n",
8009 dwarf_vmatoa_1 (NULL, vma, fc->ptr_size));
19e6b90e
L		 8010 fc->pc_begin = vma;
8011 break;
8012
8013 case DW_CFA_advance_loc1:
0c588247 8014 SAFE_BYTE_GET_AND_INC (ofs, start, 1, end);
19e6b90e
L		 8015 if (do_debug_frames_interp)
8016 frame_display_row (fc, &need_col_headers, &max_regs);
8017 else
bf5117e3
NC		 8018 printf (" DW_CFA_advance_loc1: %ld to %s\n",
8019 (unsigned long) (ofs * fc->code_factor),
8020 dwarf_vmatoa_1 (NULL,
8021 fc->pc_begin + ofs * fc->code_factor,
8022 fc->ptr_size));
19e6b90e
L		 8023 fc->pc_begin += ofs * fc->code_factor;
8024 break;
8025
8026 case DW_CFA_advance_loc2:
6937bb54 8027 SAFE_BYTE_GET_AND_INC (ofs, start, 2, block_end);
19e6b90e
L		 8028 if (do_debug_frames_interp)
8029 frame_display_row (fc, &need_col_headers, &max_regs);
8030 else
bf5117e3
NC		 8031 printf (" DW_CFA_advance_loc2: %ld to %s\n",
8032 (unsigned long) (ofs * fc->code_factor),
8033 dwarf_vmatoa_1 (NULL,
8034 fc->pc_begin + ofs * fc->code_factor,
8035 fc->ptr_size));
19e6b90e
L		 8036 fc->pc_begin += ofs * fc->code_factor;
8037 break;
8038
8039 case DW_CFA_advance_loc4:
6937bb54 8040 SAFE_BYTE_GET_AND_INC (ofs, start, 4, block_end);
19e6b90e
L		 8041 if (do_debug_frames_interp)
8042 frame_display_row (fc, &need_col_headers, &max_regs);
8043 else
bf5117e3
NC		 8044 printf (" DW_CFA_advance_loc4: %ld to %s\n",
8045 (unsigned long) (ofs * fc->code_factor),
8046 dwarf_vmatoa_1 (NULL,
8047 fc->pc_begin + ofs * fc->code_factor,
8048 fc->ptr_size));
19e6b90e
L		 8049 fc->pc_begin += ofs * fc->code_factor;
8050 break;
8051
8052 case DW_CFA_offset_extended:
7f2c8a1d
NC		 8053 READ_ULEB (reg);
8054 READ_ULEB (roffs);
665ce1f6
L		 8055 if (reg >= (unsigned int) fc->ncols)
8056 reg_prefix = bad_reg;
8057 if (! do_debug_frames_interp || *reg_prefix != '\0')
8058 printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n",
8059 reg_prefix, regname (reg, 0),
8060 roffs * fc->data_factor);
8061 if (*reg_prefix == '\0')
8062 {
8063 fc->col_type[reg] = DW_CFA_offset;
8064 fc->col_offset[reg] = roffs * fc->data_factor;
8065 }
19e6b90e
L		 8066 break;
8067
12eae2d3 8068 case DW_CFA_val_offset:
7f2c8a1d
NC		 8069 READ_ULEB (reg);
8070 READ_ULEB (roffs);
665ce1f6
L		 8071 if (reg >= (unsigned int) fc->ncols)
8072 reg_prefix = bad_reg;
8073 if (! do_debug_frames_interp || *reg_prefix != '\0')
084303b8 8074 printf (" DW_CFA_val_offset: %s%s is cfa%+ld\n",
665ce1f6
L		 8075 reg_prefix, regname (reg, 0),
8076 roffs * fc->data_factor);
8077 if (*reg_prefix == '\0')
8078 {
8079 fc->col_type[reg] = DW_CFA_val_offset;
8080 fc->col_offset[reg] = roffs * fc->data_factor;
8081 }
12eae2d3
JJ		 8082 break;
8083
19e6b90e 8084 case DW_CFA_restore_extended:
7f2c8a1d 8085 READ_ULEB (reg);
50751e18 8086 if (reg >= (unsigned int) fc->ncols)
665ce1f6
L		 8087 reg_prefix = bad_reg;
8088 if (! do_debug_frames_interp || *reg_prefix != '\0')
8089 printf (" DW_CFA_restore_extended: %s%s\n",
8090 reg_prefix, regname (reg, 0));
50751e18
AK		 8091 if (*reg_prefix != '\0')
8092 break;
8093
8094 if (reg >= (unsigned int) cie->ncols)
8095 {
8096 fc->col_type[reg] = DW_CFA_undefined;
8097 fc->col_offset[reg] = 0;
8098 }
8099 else
665ce1f6
L		 8100 {
8101 fc->col_type[reg] = cie->col_type[reg];
8102 fc->col_offset[reg] = cie->col_offset[reg];
8103 }
19e6b90e
L		 8104 break;
8105
8106 case DW_CFA_undefined:
7f2c8a1d 8107 READ_ULEB (reg);
665ce1f6
L		 8108 if (reg >= (unsigned int) fc->ncols)
8109 reg_prefix = bad_reg;
8110 if (! do_debug_frames_interp || *reg_prefix != '\0')
8111 printf (" DW_CFA_undefined: %s%s\n",
8112 reg_prefix, regname (reg, 0));
8113 if (*reg_prefix == '\0')
8114 {
8115 fc->col_type[reg] = DW_CFA_undefined;
8116 fc->col_offset[reg] = 0;
8117 }
19e6b90e
L		 8118 break;
8119
8120 case DW_CFA_same_value:
7f2c8a1d 8121 READ_ULEB (reg);
665ce1f6
L		 8122 if (reg >= (unsigned int) fc->ncols)
8123 reg_prefix = bad_reg;
8124 if (! do_debug_frames_interp || *reg_prefix != '\0')
8125 printf (" DW_CFA_same_value: %s%s\n",
8126 reg_prefix, regname (reg, 0));
8127 if (*reg_prefix == '\0')
8128 {
8129 fc->col_type[reg] = DW_CFA_same_value;
8130 fc->col_offset[reg] = 0;
8131 }
19e6b90e
L		 8132 break;
8133
8134 case DW_CFA_register:
7f2c8a1d
NC		 8135 READ_ULEB (reg);
8136 READ_ULEB (roffs);
665ce1f6
L		 8137 if (reg >= (unsigned int) fc->ncols)
8138 reg_prefix = bad_reg;
8139 if (! do_debug_frames_interp || *reg_prefix != '\0')
2dc4cec1 8140 {
665ce1f6
L		 8141 printf (" DW_CFA_register: %s%s in ",
8142 reg_prefix, regname (reg, 0));
2dc4cec1
L		 8143 puts (regname (roffs, 0));
8144 }
665ce1f6
L		 8145 if (*reg_prefix == '\0')
8146 {
8147 fc->col_type[reg] = DW_CFA_register;
8148 fc->col_offset[reg] = roffs;
8149 }
19e6b90e
L		 8150 break;
8151
8152 case DW_CFA_remember_state:
8153 if (! do_debug_frames_interp)
8154 printf (" DW_CFA_remember_state\n");
3f5e193b 8155 rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
b4eb7656 8156 rs->cfa_offset = fc->cfa_offset;
d71ad7fc
RC		 8157 rs->cfa_reg = fc->cfa_reg;
8158 rs->ra = fc->ra;
8159 rs->cfa_exp = fc->cfa_exp;
19e6b90e 8160 rs->ncols = fc->ncols;
3f5e193b 8161 rs->col_type = (short int *) xcmalloc (rs->ncols,
b4eb7656 8162 sizeof (* rs->col_type));
d71ad7fc
RC		 8163 rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (* rs->col_offset));
8164 memcpy (rs->col_type, fc->col_type, rs->ncols * sizeof (* fc->col_type));
8165 memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (* fc->col_offset));
19e6b90e
L		 8166 rs->next = remembered_state;
8167 remembered_state = rs;
8168 break;
8169
8170 case DW_CFA_restore_state:
8171 if (! do_debug_frames_interp)
8172 printf (" DW_CFA_restore_state\n");
8173 rs = remembered_state;
8174 if (rs)
8175 {
8176 remembered_state = rs->next;
d71ad7fc
RC		 8177 fc->cfa_offset = rs->cfa_offset;
8178 fc->cfa_reg = rs->cfa_reg;
b4eb7656
AM		 8179 fc->ra = rs->ra;
8180 fc->cfa_exp = rs->cfa_exp;
06614111
NC		 8181 if (frame_need_space (fc, rs->ncols - 1) < 0)
8182 {
1306a742 8183 warn (_("Invalid column number in saved frame state\n"));
06614111
NC		 8184 fc->ncols = 0;
8185 break;
8186 }
d71ad7fc 8187 memcpy (fc->col_type, rs->col_type, rs->ncols * sizeof (* rs->col_type));
19e6b90e 8188 memcpy (fc->col_offset, rs->col_offset,
d71ad7fc 8189 rs->ncols * sizeof (* rs->col_offset));
19e6b90e
L		 8190 free (rs->col_type);
8191 free (rs->col_offset);
8192 free (rs);
8193 }
8194 else if (do_debug_frames_interp)
8195 printf ("Mismatched DW_CFA_restore_state\n");
8196 break;
8197
8198 case DW_CFA_def_cfa:
32ef3000 8199 READ_ULEB (fc->cfa_reg);
7f2c8a1d 8200 READ_ULEB (fc->cfa_offset);
19e6b90e
L		 8201 fc->cfa_exp = 0;
8202 if (! do_debug_frames_interp)
2dc4cec1 8203 printf (" DW_CFA_def_cfa: %s ofs %d\n",
c8071705 8204 regname (fc->cfa_reg, 0), (int) fc->cfa_offset);
19e6b90e
L		 8205 break;
8206
8207 case DW_CFA_def_cfa_register:
32ef3000 8208 READ_ULEB (fc->cfa_reg);
19e6b90e
L		 8209 fc->cfa_exp = 0;
8210 if (! do_debug_frames_interp)
2dc4cec1
L		 8211 printf (" DW_CFA_def_cfa_register: %s\n",
8212 regname (fc->cfa_reg, 0));
19e6b90e
L		 8213 break;
8214
8215 case DW_CFA_def_cfa_offset:
7f2c8a1d 8216 READ_ULEB (fc->cfa_offset);
19e6b90e 8217 if (! do_debug_frames_interp)
c8071705 8218 printf (" DW_CFA_def_cfa_offset: %d\n", (int) fc->cfa_offset);
19e6b90e
L		 8219 break;
8220
8221 case DW_CFA_nop:
8222 if (! do_debug_frames_interp)
8223 printf (" DW_CFA_nop\n");
8224 break;
8225
8226 case DW_CFA_def_cfa_expression:
7f2c8a1d 8227 READ_ULEB (ul);
7460c0ab 8228 if (start >= block_end || ul > (unsigned long) (block_end - start))
6937bb54 8229 {
a1165289 8230 printf (_(" DW_CFA_def_cfa_expression: <corrupt len %lu>\n"), ul);
6937bb54
NC		 8231 break;
8232 }
19e6b90e
L		 8233 if (! do_debug_frames_interp)
8234 {
8235 printf (" DW_CFA_def_cfa_expression (");
b7807392
JJ		 8236 decode_location_expression (start, eh_addr_size, 0, -1,
8237 ul, 0, section);
19e6b90e
L		 8238 printf (")\n");
8239 }
8240 fc->cfa_exp = 1;
8241 start += ul;
8242 break;
8243
8244 case DW_CFA_expression:
7f2c8a1d
NC		 8245 READ_ULEB (reg);
8246 READ_ULEB (ul);
665ce1f6
L		 8247 if (reg >= (unsigned int) fc->ncols)
8248 reg_prefix = bad_reg;
6937bb54 8249 /* PR 17512: file: 069-133014-0.006. */
06614111 8250 /* PR 17512: file: 98c02eb4. */
362beea4
NC		 8251 tmp = start + ul;
8252 if (start >= block_end || tmp > block_end || tmp < start)
6937bb54 8253 {
a1165289 8254 printf (_(" DW_CFA_expression: <corrupt len %lu>\n"), ul);
6937bb54
NC		 8255 break;
8256 }
665ce1f6 8257 if (! do_debug_frames_interp || *reg_prefix != '\0')
19e6b90e 8258 {
665ce1f6
L		 8259 printf (" DW_CFA_expression: %s%s (",
8260 reg_prefix, regname (reg, 0));
b7807392 8261 decode_location_expression (start, eh_addr_size, 0, -1,
f1c4cc75 8262 ul, 0, section);
19e6b90e
L		 8263 printf (")\n");
8264 }
665ce1f6
L		 8265 if (*reg_prefix == '\0')
8266 fc->col_type[reg] = DW_CFA_expression;
362beea4 8267 start = tmp;
19e6b90e
L		 8268 break;
8269
12eae2d3 8270 case DW_CFA_val_expression:
7f2c8a1d
NC		 8271 READ_ULEB (reg);
8272 READ_ULEB (ul);
665ce1f6
L		 8273 if (reg >= (unsigned int) fc->ncols)
8274 reg_prefix = bad_reg;
362beea4
NC		 8275 tmp = start + ul;
8276 if (start >= block_end || tmp > block_end || tmp < start)
6937bb54 8277 {
a1165289 8278 printf (" DW_CFA_val_expression: <corrupt len %lu>\n", ul);
6937bb54
NC		 8279 break;
8280 }
665ce1f6 8281 if (! do_debug_frames_interp || *reg_prefix != '\0')
12eae2d3 8282 {
665ce1f6
L		 8283 printf (" DW_CFA_val_expression: %s%s (",
8284 reg_prefix, regname (reg, 0));
b7807392
JJ		 8285 decode_location_expression (start, eh_addr_size, 0, -1,
8286 ul, 0, section);
12eae2d3
JJ		 8287 printf (")\n");
8288 }
665ce1f6
L		 8289 if (*reg_prefix == '\0')
8290 fc->col_type[reg] = DW_CFA_val_expression;
362beea4 8291 start = tmp;
12eae2d3
JJ		 8292 break;
8293
19e6b90e 8294 case DW_CFA_offset_extended_sf:
7f2c8a1d
NC		 8295 READ_ULEB (reg);
8296 READ_SLEB (l);
665ce1f6
L		 8297 if (frame_need_space (fc, reg) < 0)
8298 reg_prefix = bad_reg;
8299 if (! do_debug_frames_interp || *reg_prefix != '\0')
8300 printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n",
8301 reg_prefix, regname (reg, 0),
c8071705 8302 (long)(l * fc->data_factor));
665ce1f6
L		 8303 if (*reg_prefix == '\0')
8304 {
8305 fc->col_type[reg] = DW_CFA_offset;
8306 fc->col_offset[reg] = l * fc->data_factor;
8307 }
19e6b90e
L		 8308 break;
8309
12eae2d3 8310 case DW_CFA_val_offset_sf:
7f2c8a1d
NC		 8311 READ_ULEB (reg);
8312 READ_SLEB (l);
665ce1f6
L		 8313 if (frame_need_space (fc, reg) < 0)
8314 reg_prefix = bad_reg;
8315 if (! do_debug_frames_interp || *reg_prefix != '\0')
084303b8 8316 printf (" DW_CFA_val_offset_sf: %s%s is cfa%+ld\n",
665ce1f6 8317 reg_prefix, regname (reg, 0),
c8071705 8318 (long)(l * fc->data_factor));
665ce1f6
L		 8319 if (*reg_prefix == '\0')
8320 {
8321 fc->col_type[reg] = DW_CFA_val_offset;
8322 fc->col_offset[reg] = l * fc->data_factor;
8323 }
12eae2d3
JJ		 8324 break;
8325
19e6b90e 8326 case DW_CFA_def_cfa_sf:
32ef3000 8327 READ_ULEB (fc->cfa_reg);
7f2c8a1d 8328 READ_ULEB (fc->cfa_offset);
19e6b90e
L		 8329 fc->cfa_offset = fc->cfa_offset * fc->data_factor;
8330 fc->cfa_exp = 0;
8331 if (! do_debug_frames_interp)
2dc4cec1 8332 printf (" DW_CFA_def_cfa_sf: %s ofs %d\n",
c8071705 8333 regname (fc->cfa_reg, 0), (int) fc->cfa_offset);
19e6b90e
L		 8334 break;
8335
8336 case DW_CFA_def_cfa_offset_sf:
7f2c8a1d 8337 READ_ULEB (fc->cfa_offset);
c8071705 8338 fc->cfa_offset *= fc->data_factor;
19e6b90e 8339 if (! do_debug_frames_interp)
c8071705 8340 printf (" DW_CFA_def_cfa_offset_sf: %d\n", (int) fc->cfa_offset);
19e6b90e
L		 8341 break;
8342
8343 case DW_CFA_MIPS_advance_loc8:
6937bb54 8344 SAFE_BYTE_GET_AND_INC (ofs, start, 8, block_end);
19e6b90e
L		 8345 if (do_debug_frames_interp)
8346 frame_display_row (fc, &need_col_headers, &max_regs);
8347 else
bf5117e3
NC		 8348 printf (" DW_CFA_MIPS_advance_loc8: %ld to %s\n",
8349 (unsigned long) (ofs * fc->code_factor),
8350 dwarf_vmatoa_1 (NULL,
8351 fc->pc_begin + ofs * fc->code_factor,
8352 fc->ptr_size));
19e6b90e
L		 8353 fc->pc_begin += ofs * fc->code_factor;
8354 break;
8355
8356 case DW_CFA_GNU_window_save:
8357 if (! do_debug_frames_interp)
8358 printf (" DW_CFA_GNU_window_save\n");
8359 break;
8360
8361 case DW_CFA_GNU_args_size:
7f2c8a1d 8362 READ_ULEB (ul);
19e6b90e
L		 8363 if (! do_debug_frames_interp)
8364 printf (" DW_CFA_GNU_args_size: %ld\n", ul);
8365 break;
8366
8367 case DW_CFA_GNU_negative_offset_extended:
7f2c8a1d
NC		 8368 READ_ULEB (reg);
8369 READ_SLEB (l);
8370 l = - l;
665ce1f6
L		 8371 if (frame_need_space (fc, reg) < 0)
8372 reg_prefix = bad_reg;
8373 if (! do_debug_frames_interp || *reg_prefix != '\0')
8374 printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n",
8375 reg_prefix, regname (reg, 0),
c8071705 8376 (long)(l * fc->data_factor));
665ce1f6
L		 8377 if (*reg_prefix == '\0')
8378 {
8379 fc->col_type[reg] = DW_CFA_offset;
8380 fc->col_offset[reg] = l * fc->data_factor;
8381 }
19e6b90e
L		 8382 break;
8383
8384 default:
53b8873b
NC		 8385 if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user)
8386 printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op);
8387 else
f41e4712 8388 warn (_("Unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op);
19e6b90e
L		 8389 start = block_end;
8390 }
8391 }
8392
5b6312fd
NC		 8393 /* Interpret the CFA - as long as it is not completely full of NOPs. */
8394 if (do_debug_frames_interp && ! all_nops)
19e6b90e
L		 8395 frame_display_row (fc, &need_col_headers, &max_regs);
8396
8397 start = block_end;
604282a7 8398 eh_addr_size = saved_eh_addr_size;
19e6b90e
L		 8399 }
8400
8401 printf ("\n");
8402
3391569f
NC		 8403 while (remembered_state != NULL)
8404 {
8405 rs = remembered_state;
8406 remembered_state = rs->next;
8407 free (rs->col_type);
8408 free (rs->col_offset);
8409 rs->next = NULL; /* Paranoia. */
8410 free (rs);
8411 }
8412
8413 while (chunks != NULL)
8414 {
8415 rs = chunks;
8416 chunks = rs->next;
8417 free (rs->col_type);
8418 free (rs->col_offset);
8419 rs->next = NULL; /* Paranoia. */
8420 free (rs);
8421 }
8422
8423 while (forward_refs != NULL)
8424 {
8425 rs = forward_refs;
8426 forward_refs = rs->next;
8427 free (rs->col_type);
8428 free (rs->col_offset);
8429 rs->next = NULL; /* Paranoia. */
8430 free (rs);
8431 }
8432
19e6b90e
L		 8433 return 1;
8434}
8435
8436#undef GET
19e6b90e 8437
61364358
JK		 8438static int
8439display_debug_names (struct dwarf_section *section, void *file)
8440{
8441 unsigned char *hdrptr = section->start;
8442 dwarf_vma unit_length;
8443 unsigned char *unit_start;
8444 const unsigned char *const section_end = section->start + section->size;
8445 unsigned char *unit_end;
8446
dda8d76d 8447 introduce (section, FALSE);
61364358 8448
dda8d76d 8449 load_debug_section_with_follow (str, file);
61364358
JK		 8450
8451 for (; hdrptr < section_end; hdrptr = unit_end)
8452 {
8453 unsigned int offset_size;
8454 uint16_t dwarf_version, padding;
8455 uint32_t comp_unit_count, local_type_unit_count, foreign_type_unit_count;
8456 uint32_t bucket_count, name_count, abbrev_table_size;
8457 uint32_t augmentation_string_size;
8458 unsigned int i;
e98fdf1a 8459 unsigned long sec_off;
61364358
JK		 8460
8461 unit_start = hdrptr;
8462
8463 /* Get and check the length of the block. */
8464 SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 4, section_end);
8465
8466 if (unit_length == 0xffffffff)
8467 {
8468 /* This section is 64-bit DWARF. */
8469 SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 8, section_end);
8470 offset_size = 8;
8471 }
8472 else
8473 offset_size = 4;
8474 unit_end = hdrptr + unit_length;
8475
e98fdf1a
AM		 8476 sec_off = hdrptr - section->start;
8477 if (sec_off + unit_length < sec_off
8478 || sec_off + unit_length > section->size)
61364358 8479 {
e98fdf1a
AM		 8480 warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"),
8481 section->name,
8482 (unsigned long) (unit_start - section->start),
8483 dwarf_vmatoa ("x", unit_length));
61364358
JK		 8484 return 0;
8485 }
8486
8487 /* Get and check the version number. */
8488 SAFE_BYTE_GET_AND_INC (dwarf_version, hdrptr, 2, unit_end);
8489 printf (_("Version %ld\n"), (long) dwarf_version);
8490
8491 /* Prior versions did not exist, and future versions may not be
8492 backwards compatible. */
8493 if (dwarf_version != 5)
8494 {
8495 warn (_("Only DWARF version 5 .debug_names "
8496 "is currently supported.\n"));
8497 return 0;
8498 }
8499
8500 SAFE_BYTE_GET_AND_INC (padding, hdrptr, 2, unit_end);
8501 if (padding != 0)
8502 warn (_("Padding field of .debug_names must be 0 (found 0x%x)\n"),
8503 padding);
8504
8505 SAFE_BYTE_GET_AND_INC (comp_unit_count, hdrptr, 4, unit_end);
8506 if (comp_unit_count == 0)
8507 warn (_("Compilation unit count must be >= 1 in .debug_names\n"));
8508
8509 SAFE_BYTE_GET_AND_INC (local_type_unit_count, hdrptr, 4, unit_end);
8510 SAFE_BYTE_GET_AND_INC (foreign_type_unit_count, hdrptr, 4, unit_end);
8511 SAFE_BYTE_GET_AND_INC (bucket_count, hdrptr, 4, unit_end);
8512 SAFE_BYTE_GET_AND_INC (name_count, hdrptr, 4, unit_end);
8513 SAFE_BYTE_GET_AND_INC (abbrev_table_size, hdrptr, 4, unit_end);
8514
8515 SAFE_BYTE_GET_AND_INC (augmentation_string_size, hdrptr, 4, unit_end);
8516 if (augmentation_string_size % 4 != 0)
8517 {
8518 warn (_("Augmentation string length %u must be rounded up "
8519 "to a multiple of 4 in .debug_names.\n"),
8520 augmentation_string_size);
8521 augmentation_string_size += (-augmentation_string_size) & 3;
8522 }
8523 printf (_("Augmentation string:"));
8524 for (i = 0; i < augmentation_string_size; i++)
8525 {
8526 unsigned char uc;
8527
8528 SAFE_BYTE_GET_AND_INC (uc, hdrptr, 1, unit_end);
8529 printf (" %02x", uc);
8530 }
8531 putchar ('\n');
8532 putchar ('\n');
8533
8534 printf (_("CU table:\n"));
8535 for (i = 0; i < comp_unit_count; i++)
8536 {
8537 uint64_t cu_offset;
8538
8539 SAFE_BYTE_GET_AND_INC (cu_offset, hdrptr, offset_size, unit_end);
8540 printf (_("[%3u] 0x%lx\n"), i, (unsigned long) cu_offset);
8541 }
8542 putchar ('\n');
8543
8544 printf (_("TU table:\n"));
8545 for (i = 0; i < local_type_unit_count; i++)
8546 {
8547 uint64_t tu_offset;
8548
8549 SAFE_BYTE_GET_AND_INC (tu_offset, hdrptr, offset_size, unit_end);
8550 printf (_("[%3u] 0x%lx\n"), i, (unsigned long) tu_offset);
8551 }
8552 putchar ('\n');
8553
8554 printf (_("Foreign TU table:\n"));
8555 for (i = 0; i < foreign_type_unit_count; i++)
8556 {
8557 uint64_t signature;
8558
8559 SAFE_BYTE_GET_AND_INC (signature, hdrptr, 8, unit_end);
8560 printf (_("[%3u] "), i);
8561 print_dwarf_vma (signature, 8);
8562 putchar ('\n');
8563 }
8564 putchar ('\n');
8565
8566 const uint32_t *const hash_table_buckets = (uint32_t *) hdrptr;
8567 hdrptr += bucket_count * sizeof (uint32_t);
8568 const uint32_t *const hash_table_hashes = (uint32_t *) hdrptr;
8569 hdrptr += name_count * sizeof (uint32_t);
8570 unsigned char *const name_table_string_offsets = hdrptr;
8571 hdrptr += name_count * offset_size;
8572 unsigned char *const name_table_entry_offsets = hdrptr;
8573 hdrptr += name_count * offset_size;
8574 unsigned char *const abbrev_table = hdrptr;
8575 hdrptr += abbrev_table_size;
8576 const unsigned char *const abbrev_table_end = hdrptr;
8577 unsigned char *const entry_pool = hdrptr;
8578 if (hdrptr > unit_end)
8579 {
8580 warn (_("Entry pool offset (0x%lx) exceeds unit size 0x%lx "
8581 "for unit 0x%lx in the debug_names\n"),
8582 (long) (hdrptr - section->start),
8583 (long) (unit_end - section->start),
8584 (long) (unit_start - section->start));
8585 return 0;
8586 }
8587
8588 size_t buckets_filled = 0;
8589 size_t bucketi;
8590 for (bucketi = 0; bucketi < bucket_count; bucketi++)
8591 {
8592 const uint32_t bucket = hash_table_buckets[bucketi];
8593
8594 if (bucket != 0)
8595 ++buckets_filled;
8596 }
d3a49aa8
AM		 8597 printf (ngettext ("Used %zu of %lu bucket.\n",
8598 "Used %zu of %lu buckets.\n",
8599 bucket_count),
8600 buckets_filled, (unsigned long) bucket_count);
61364358 8601
0a79bef4 8602 uint32_t hash_prev = 0;
61364358
JK		 8603 size_t hash_clash_count = 0;
8604 size_t longest_clash = 0;
8605 size_t this_length = 0;
8606 size_t hashi;
8607 for (hashi = 0; hashi < name_count; hashi++)
8608 {
8609 const uint32_t hash_this = hash_table_hashes[hashi];
8610
8611 if (hashi > 0)
8612 {
8613 if (hash_prev % bucket_count == hash_this % bucket_count)
8614 {
8615 ++hash_clash_count;
8616 ++this_length;
8617 longest_clash = MAX (longest_clash, this_length);
8618 }
8619 else
8620 this_length = 0;
8621 }
8622 hash_prev = hash_this;
8623 }
8624 printf (_("Out of %lu items there are %zu bucket clashes"
8625 " (longest of %zu entries).\n"),
8626 (unsigned long) name_count, hash_clash_count, longest_clash);
8627 assert (name_count == buckets_filled + hash_clash_count);
8628
8629 struct abbrev_lookup_entry
8630 {
8631 dwarf_vma abbrev_tag;
8632 unsigned char *abbrev_lookup_ptr;
8633 };
8634 struct abbrev_lookup_entry *abbrev_lookup = NULL;
8635 size_t abbrev_lookup_used = 0;
8636 size_t abbrev_lookup_allocated = 0;
8637
8638 unsigned char *abbrevptr = abbrev_table;
8639 for (;;)
8640 {
8641 unsigned int bytes_read;
8642 const dwarf_vma abbrev_tag = read_uleb128 (abbrevptr, &bytes_read,
8643 abbrev_table_end);
8644 abbrevptr += bytes_read;
8645 if (abbrev_tag == 0)
8646 break;
8647 if (abbrev_lookup_used == abbrev_lookup_allocated)
8648 {
8649 abbrev_lookup_allocated = MAX (0x100,
8650 abbrev_lookup_allocated * 2);
8651 abbrev_lookup = xrealloc (abbrev_lookup,
8652 (abbrev_lookup_allocated
8653 * sizeof (*abbrev_lookup)));
8654 }
8655 assert (abbrev_lookup_used < abbrev_lookup_allocated);
8656 struct abbrev_lookup_entry *entry;
8657 for (entry = abbrev_lookup;
8658 entry < abbrev_lookup + abbrev_lookup_used;
8659 entry++)
8660 if (entry->abbrev_tag == abbrev_tag)
8661 {
8662 warn (_("Duplicate abbreviation tag %lu "
8663 "in unit 0x%lx in the debug_names\n"),
8664 (long) abbrev_tag, (long) (unit_start - section->start));
8665 break;
8666 }
8667 entry = &abbrev_lookup[abbrev_lookup_used++];
8668 entry->abbrev_tag = abbrev_tag;
8669 entry->abbrev_lookup_ptr = abbrevptr;
8670
8671 /* Skip DWARF tag. */
8672 read_uleb128 (abbrevptr, &bytes_read, abbrev_table_end);
8673 abbrevptr += bytes_read;
8674 for (;;)
8675 {
1d827a72
L		 8676 const dwarf_vma xindex = read_uleb128 (abbrevptr,
8677 &bytes_read,
8678 abbrev_table_end);
61364358
JK		 8679 abbrevptr += bytes_read;
8680 const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read,
8681 abbrev_table_end);
8682 abbrevptr += bytes_read;
1d827a72 8683 if (xindex == 0 && form == 0)
61364358
JK		 8684 break;
8685 }
8686 }
8687
8688 printf (_("\nSymbol table:\n"));
8689 uint32_t namei;
8690 for (namei = 0; namei < name_count; ++namei)
8691 {
8692 uint64_t string_offset, entry_offset;
8693
8694 SAFE_BYTE_GET (string_offset,
8695 name_table_string_offsets + namei * offset_size,
8696 offset_size, unit_end);
8697 SAFE_BYTE_GET (entry_offset,
8698 name_table_entry_offsets + namei * offset_size,
8699 offset_size, unit_end);
8700
8701 printf ("[%3u] #%08x %s:", namei, hash_table_hashes[namei],
8702 fetch_indirect_string (string_offset));
8703
8704 unsigned char *entryptr = entry_pool + entry_offset;
8705
8706 // We need to scan first whether there is a single or multiple
8707 // entries. TAGNO is -2 for the first entry, it is -1 for the
8708 // initial tag read of the second entry, then it becomes 0 for the
8709 // first entry for real printing etc.
8710 int tagno = -2;
8711 /* Initialize it due to a false compiler warning. */
8712 dwarf_vma second_abbrev_tag = -1;
8713 for (;;)
8714 {
8715 unsigned int bytes_read;
8716 const dwarf_vma abbrev_tag = read_uleb128 (entryptr, &bytes_read,
8717 unit_end);
8718 entryptr += bytes_read;
8719 if (tagno == -1)
8720 {
8721 second_abbrev_tag = abbrev_tag;
8722 tagno = 0;
8723 entryptr = entry_pool + entry_offset;
8724 continue;
8725 }
8726 if (abbrev_tag == 0)
8727 break;
8728 if (tagno >= 0)
8729 printf ("%s<%lu>",
8730 (tagno == 0 && second_abbrev_tag == 0 ? " " : "\n\t"),
8731 (unsigned long) abbrev_tag);
8732
8733 const struct abbrev_lookup_entry *entry;
8734 for (entry = abbrev_lookup;
8735 entry < abbrev_lookup + abbrev_lookup_used;
8736 entry++)
8737 if (entry->abbrev_tag == abbrev_tag)
8738 break;
8739 if (entry >= abbrev_lookup + abbrev_lookup_used)
8740 {
8741 warn (_("Undefined abbreviation tag %lu "
8742 "in unit 0x%lx in the debug_names\n"),
8743 (long) abbrev_tag,
8744 (long) (unit_start - section->start));
8745 break;
8746 }
8747 abbrevptr = entry->abbrev_lookup_ptr;
8748 const dwarf_vma dwarf_tag = read_uleb128 (abbrevptr, &bytes_read,
8749 abbrev_table_end);
8750 abbrevptr += bytes_read;
8751 if (tagno >= 0)
8752 printf (" %s", get_TAG_name (dwarf_tag));
8753 for (;;)
8754 {
1d827a72
L		 8755 const dwarf_vma xindex = read_uleb128 (abbrevptr,
8756 &bytes_read,
8757 abbrev_table_end);
61364358
JK		 8758 abbrevptr += bytes_read;
8759 const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read,
8760 abbrev_table_end);
8761 abbrevptr += bytes_read;
1d827a72 8762 if (xindex == 0 && form == 0)
61364358
JK		 8763 break;
8764
8765 if (tagno >= 0)
1d827a72 8766 printf (" %s", get_IDX_name (xindex));
61364358
JK		 8767 entryptr = read_and_display_attr_value (0, form, 0, entryptr,
8768 unit_end, 0, 0,
8769 offset_size,
8770 dwarf_version, NULL,
8771 (tagno < 0), NULL,
8772 NULL, '=');
8773 }
8774 ++tagno;
8775 }
8776 if (tagno <= 0)
8777 printf (_(" <no entries>"));
8778 putchar ('\n');
8779 }
8780
8781 free (abbrev_lookup);
8782 }
8783
8784 return 1;
8785}
8786
dda8d76d 8787static int
d85bf2ba
NC		 8788display_debug_links (struct dwarf_section * section,
8789 void * file ATTRIBUTE_UNUSED)
dda8d76d
NC		 8790{
8791 const unsigned char * filename;
8792 unsigned int filelen;
8793
8794 introduce (section, FALSE);
8795
8796 /* The .gnu_debuglink section is formatted as:
8797 (c-string) Filename.
8798 (padding) If needed to reach a 4 byte boundary.
8799 (uint32_t) CRC32 value.
8800
8801 The .gun_debugaltlink section is formatted as:
8802 (c-string) Filename.
8803 (binary) Build-ID. */
8804
8805 filename = section->start;
8806 filelen = strnlen ((const char *) filename, section->size);
8807 if (filelen == section->size)
8808 {
8809 warn (_("The debuglink filename is corrupt/missing\n"));
8810 return 0;
8811 }
8812
8813 printf (_(" Separate debug info file: %s\n"), filename);
8814
8815 if (const_strneq (section->name, ".gnu_debuglink"))
8816 {
8817 unsigned int crc32;
8818 unsigned int crc_offset;
8819
8820 crc_offset = filelen + 1;
8821 crc_offset = (crc_offset + 3) & ~3;
8822 if (crc_offset + 4 > section->size)
8823 {
8824 warn (_("CRC offset missing/truncated\n"));
8825 return 0;
8826 }
8827
8828 crc32 = byte_get (filename + crc_offset, 4);
8829
8830 printf (_(" CRC value: %#x\n"), crc32);
8831
8832 if (crc_offset + 4 < section->size)
8833 {
8834 warn (_("There are %#lx extraneous bytes at the end of the section\n"),
8835 (long)(section->size - (crc_offset + 4)));
8836 return 0;
8837 }
8838 }
8839 else /* const_strneq (section->name, ".gnu_debugaltlink") */
8840 {
8841 const unsigned char * build_id = section->start + filelen + 1;
8842 bfd_size_type build_id_len = section->size - (filelen + 1);
8843 bfd_size_type printed;
8844
8845 /* FIXME: Should we support smaller build-id notes ? */
8846 if (build_id_len < 0x14)
8847 {
8848 warn (_("Build-ID is too short (%#lx bytes)\n"), (long) build_id_len);
8849 return 0;
8850 }
8851
8852 printed = printf (_(" Build-ID (%#lx bytes):"), (long) build_id_len);
d85bf2ba 8853 display_data (printed, build_id, build_id_len);
dda8d76d
NC		 8854 putchar ('\n');
8855 }
8856
8857 putchar ('\n');
8858 return 1;
8859}
8860
5bbdf3d5
DE		 8861static int
8862display_gdb_index (struct dwarf_section *section,
8863 void *file ATTRIBUTE_UNUSED)
8864{
8865 unsigned char *start = section->start;
8866 uint32_t version;
8867 uint32_t cu_list_offset, tu_list_offset;
8868 uint32_t address_table_offset, symbol_table_offset, constant_pool_offset;
8869 unsigned int cu_list_elements, tu_list_elements;
8870 unsigned int address_table_size, symbol_table_slots;
8871 unsigned char *cu_list, *tu_list;
8872 unsigned char *address_table, *symbol_table, *constant_pool;
8873 unsigned int i;
8874
8875 /* The documentation for the format of this file is in gdb/dwarf2read.c. */
8876
dda8d76d 8877 introduce (section, FALSE);
5bbdf3d5
DE		 8878
8879 if (section->size < 6 * sizeof (uint32_t))
8880 {
8881 warn (_("Truncated header in the %s section.\n"), section->name);
8882 return 0;
8883 }
8884
8885 version = byte_get_little_endian (start, 4);
da88a764 8886 printf (_("Version %ld\n"), (long) version);
5bbdf3d5
DE		 8887
8888 /* Prior versions are obsolete, and future versions may not be
8889 backwards compatible. */
aa170720 8890 if (version < 3 || version > 8)
5bbdf3d5 8891 {
da88a764 8892 warn (_("Unsupported version %lu.\n"), (unsigned long) version);
5bbdf3d5
DE		 8893 return 0;
8894 }
8d6eee87
TT		 8895 if (version < 4)
8896 warn (_("The address table data in version 3 may be wrong.\n"));
8897 if (version < 5)
8898 warn (_("Version 4 does not support case insensitive lookups.\n"));
8899 if (version < 6)
8900 warn (_("Version 5 does not include inlined functions.\n"));
8901 if (version < 7)
8902 warn (_("Version 6 does not include symbol attributes.\n"));
aa170720
DE		 8903 /* Version 7 indices generated by Gold have bad type unit references,
8904 PR binutils/15021. But we don't know if the index was generated by
8905 Gold or not, so to avoid worrying users with gdb-generated indices
8906 we say nothing for version 7 here. */
5bbdf3d5
DE		 8907
8908 cu_list_offset = byte_get_little_endian (start + 4, 4);
8909 tu_list_offset = byte_get_little_endian (start + 8, 4);
8910 address_table_offset = byte_get_little_endian (start + 12, 4);
8911 symbol_table_offset = byte_get_little_endian (start + 16, 4);
8912 constant_pool_offset = byte_get_little_endian (start + 20, 4);
8913
8914 if (cu_list_offset > section->size
8915 || tu_list_offset > section->size
8916 || address_table_offset > section->size
8917 || symbol_table_offset > section->size
8918 || constant_pool_offset > section->size)
8919 {
8920 warn (_("Corrupt header in the %s section.\n"), section->name);
8921 return 0;
8922 }
8923
53774b7e
NC		 8924 /* PR 17531: file: 418d0a8a. */
8925 if (tu_list_offset < cu_list_offset)
8926 {
8927 warn (_("TU offset (%x) is less than CU offset (%x)\n"),
8928 tu_list_offset, cu_list_offset);
8929 return 0;
8930 }
8931
5bbdf3d5 8932 cu_list_elements = (tu_list_offset - cu_list_offset) / 8;
53774b7e
NC		 8933
8934 if (address_table_offset < tu_list_offset)
8935 {
8936 warn (_("Address table offset (%x) is less than TU offset (%x)\n"),
8937 address_table_offset, tu_list_offset);
8938 return 0;
8939 }
8940
5bbdf3d5 8941 tu_list_elements = (address_table_offset - tu_list_offset) / 8;
53774b7e
NC		 8942
8943 /* PR 17531: file: 18a47d3d. */
8944 if (symbol_table_offset < address_table_offset)
8945 {
13bace4a 8946 warn (_("Symbol table offset (%x) is less then Address table offset (%x)\n"),
53774b7e
NC		 8947 symbol_table_offset, address_table_offset);
8948 return 0;
8949 }
8950
5bbdf3d5 8951 address_table_size = symbol_table_offset - address_table_offset;
53774b7e
NC		 8952
8953 if (constant_pool_offset < symbol_table_offset)
8954 {
8955 warn (_("Constant pool offset (%x) is less than symbol table offset (%x)\n"),
8956 constant_pool_offset, symbol_table_offset);
8957 return 0;
8958 }
8959
5bbdf3d5
DE		 8960 symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8;
8961
8962 cu_list = start + cu_list_offset;
8963 tu_list = start + tu_list_offset;
8964 address_table = start + address_table_offset;
8965 symbol_table = start + symbol_table_offset;
8966 constant_pool = start + constant_pool_offset;
8967
28d909e5 8968 if (address_table + address_table_size > section->start + section->size)
acff9664 8969 {
1306a742 8970 warn (_("Address table extends beyond end of section.\n"));
acff9664
NC		 8971 return 0;
8972 }
b4eb7656 8973
5bbdf3d5
DE		 8974 printf (_("\nCU table:\n"));
8975 for (i = 0; i < cu_list_elements; i += 2)
8976 {
8977 uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8);
8978 uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8);
8979
8980 printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2,
8981 (unsigned long) cu_offset,
8982 (unsigned long) (cu_offset + cu_length - 1));
8983 }
8984
8985 printf (_("\nTU table:\n"));
8986 for (i = 0; i < tu_list_elements; i += 3)
8987 {
8988 uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8);
8989 uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8);
8990 uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8);
8991
8992 printf (_("[%3u] 0x%lx 0x%lx "), i / 3,
8993 (unsigned long) tu_offset,
8994 (unsigned long) type_offset);
8995 print_dwarf_vma (signature, 8);
8996 printf ("\n");
8997 }
8998
8999 printf (_("\nAddress table:\n"));
acff9664
NC		 9000 for (i = 0; i < address_table_size && i <= address_table_size - (2 * 8 + 4);
9001 i += 2 * 8 + 4)
5bbdf3d5
DE		 9002 {
9003 uint64_t low = byte_get_little_endian (address_table + i, 8);
9004 uint64_t high = byte_get_little_endian (address_table + i + 8, 8);
9005 uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4);
9006
9007 print_dwarf_vma (low, 8);
9008 print_dwarf_vma (high, 8);
da88a764 9009 printf (_("%lu\n"), (unsigned long) cu_index);
5bbdf3d5
DE		 9010 }
9011
9012 printf (_("\nSymbol table:\n"));
9013 for (i = 0; i < symbol_table_slots; ++i)
9014 {
9015 uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4);
9016 uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4);
9017 uint32_t num_cus, cu;
9018
9019 if (name_offset != 0
9020 || cu_vector_offset != 0)
9021 {
9022 unsigned int j;
362beea4 9023 unsigned char * adr;
5bbdf3d5 9024
362beea4 9025 adr = constant_pool + name_offset;
53774b7e 9026 /* PR 17531: file: 5b7b07ad. */
362beea4 9027 if (adr < constant_pool || adr >= section->start + section->size)
53774b7e
NC		 9028 {
9029 printf (_("[%3u] <corrupt offset: %x>"), i, name_offset);
9030 warn (_("Corrupt name offset of 0x%x found for symbol table slot %d\n"),
9031 name_offset, i);
9032 }
9033 else
acff9664
NC		 9034 printf ("[%3u] %.*s:", i,
9035 (int) (section->size - (constant_pool_offset + name_offset)),
9036 constant_pool + name_offset);
53774b7e 9037
362beea4
NC		 9038 adr = constant_pool + cu_vector_offset;
9039 if (adr < constant_pool || adr >= section->start + section->size - 3)
53774b7e
NC		 9040 {
9041 printf (_("<invalid CU vector offset: %x>\n"), cu_vector_offset);
9042 warn (_("Corrupt CU vector offset of 0x%x found for symbol table slot %d\n"),
9043 cu_vector_offset, i);
9044 continue;
9045 }
57028622 9046
362beea4 9047 num_cus = byte_get_little_endian (adr, 4);
53774b7e 9048
362beea4 9049 adr = constant_pool + cu_vector_offset + 4 + num_cus * 4;
acff9664 9050 if (num_cus * 4 < num_cus
362beea4
NC		 9051 || adr >= section->start + section->size
9052 || adr < constant_pool)
53774b7e
NC		 9053 {
9054 printf ("<invalid number of CUs: %d>\n", num_cus);
acff9664 9055 warn (_("Invalid number of CUs (0x%x) for symbol table slot %d\n"),
53774b7e
NC		 9056 num_cus, i);
9057 continue;
9058 }
9059
8d6eee87
TT		 9060 if (num_cus > 1)
9061 printf ("\n");
f3853b34 9062
5bbdf3d5
DE		 9063 for (j = 0; j < num_cus; ++j)
9064 {
7c1cef97 9065 int is_static;
8d6eee87
TT		 9066 gdb_index_symbol_kind kind;
9067
5bbdf3d5 9068 cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4);
7c1cef97 9069 is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu);
8d6eee87
TT		 9070 kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu);
9071 cu = GDB_INDEX_CU_VALUE (cu);
5bbdf3d5 9072 /* Convert to TU number if it's for a type unit. */
ad6b52dd 9073 if (cu >= cu_list_elements / 2)
8d6eee87
TT		 9074 printf ("%cT%lu", num_cus > 1 ? '\t' : ' ',
9075 (unsigned long) (cu - cu_list_elements / 2));
5bbdf3d5 9076 else
8d6eee87
TT		 9077 printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu);
9078
459d52c8
DE		 9079 printf (" [%s, %s]",
9080 is_static ? _("static") : _("global"),
9081 get_gdb_index_symbol_kind_name (kind));
8d6eee87
TT		 9082 if (num_cus > 1)
9083 printf ("\n");
5bbdf3d5 9084 }
8d6eee87
TT		 9085 if (num_cus <= 1)
9086 printf ("\n");
5bbdf3d5
DE		 9087 }
9088 }
9089
9090 return 1;
9091}
9092
657d0d47
CC		 9093/* Pre-allocate enough space for the CU/TU sets needed. */
9094
9095static void
9096prealloc_cu_tu_list (unsigned int nshndx)
9097{
9098 if (shndx_pool == NULL)
9099 {
9100 shndx_pool_size = nshndx;
9101 shndx_pool_used = 0;
9102 shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size,
9103 sizeof (unsigned int));
9104 }
9105 else
9106 {
9107 shndx_pool_size = shndx_pool_used + nshndx;
9108 shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size,
9109 sizeof (unsigned int));
9110 }
9111}
9112
9113static void
9114add_shndx_to_cu_tu_entry (unsigned int shndx)
9115{
9116 if (shndx_pool_used >= shndx_pool_size)
9117 {
9118 error (_("Internal error: out of space in the shndx pool.\n"));
9119 return;
9120 }
9121 shndx_pool [shndx_pool_used++] = shndx;
9122}
9123
9124static void
9125end_cu_tu_entry (void)
9126{
9127 if (shndx_pool_used >= shndx_pool_size)
9128 {
9129 error (_("Internal error: out of space in the shndx pool.\n"));
9130 return;
9131 }
9132 shndx_pool [shndx_pool_used++] = 0;
9133}
9134
341f9135
CC		 9135/* Return the short name of a DWARF section given by a DW_SECT enumerator. */
9136
9137static const char *
9138get_DW_SECT_short_name (unsigned int dw_sect)
9139{
9140 static char buf[16];
9141
9142 switch (dw_sect)
9143 {
9144 case DW_SECT_INFO:
9145 return "info";
9146 case DW_SECT_TYPES:
9147 return "types";
9148 case DW_SECT_ABBREV:
9149 return "abbrev";
9150 case DW_SECT_LINE:
9151 return "line";
9152 case DW_SECT_LOC:
9153 return "loc";
9154 case DW_SECT_STR_OFFSETS:
9155 return "str_off";
9156 case DW_SECT_MACINFO:
9157 return "macinfo";
9158 case DW_SECT_MACRO:
9159 return "macro";
9160 default:
b4eb7656 9161 break;
341f9135
CC		 9162 }
9163
9164 snprintf (buf, sizeof (buf), "%d", dw_sect);
9165 return buf;
9166}
9167
9168/* Process a CU or TU index. If DO_DISPLAY is true, print the contents.
9169 These sections are extensions for Fission.
9170 See http://gcc.gnu.org/wiki/DebugFissionDWP. */
657d0d47
CC		 9171
9172static int
9173process_cu_tu_index (struct dwarf_section *section, int do_display)
9174{
9175 unsigned char *phdr = section->start;
9176 unsigned char *limit = phdr + section->size;
9177 unsigned char *phash;
9178 unsigned char *pindex;
9179 unsigned char *ppool;
9180 unsigned int version;
341f9135 9181 unsigned int ncols = 0;
657d0d47
CC		 9182 unsigned int nused;
9183 unsigned int nslots;
9184 unsigned int i;
341f9135
CC		 9185 unsigned int j;
9186 dwarf_vma signature_high;
9187 dwarf_vma signature_low;
9188 char buf[64];
657d0d47 9189
6937bb54
NC		 9190 /* PR 17512: file: 002-168123-0.004. */
9191 if (phdr == NULL)
9192 {
9193 warn (_("Section %s is empty\n"), section->name);
9194 return 0;
9195 }
9196 /* PR 17512: file: 002-376-0.004. */
9197 if (section->size < 24)
9198 {
72c61a0d 9199 warn (_("Section %s is too small to contain a CU/TU header\n"),
6937bb54
NC		 9200 section->name);
9201 return 0;
9202 }
9203
9204 SAFE_BYTE_GET (version, phdr, 4, limit);
341f9135 9205 if (version >= 2)
6937bb54
NC		 9206 SAFE_BYTE_GET (ncols, phdr + 4, 4, limit);
9207 SAFE_BYTE_GET (nused, phdr + 8, 4, limit);
9208 SAFE_BYTE_GET (nslots, phdr + 12, 4, limit);
9209
657d0d47
CC		 9210 phash = phdr + 16;
9211 pindex = phash + nslots * 8;
9212 ppool = pindex + nslots * 4;
9213
57028622 9214 /* PR 17531: file: 45d69832. */
03a91817 9215 if (pindex < phash || ppool < phdr || (pindex == phash && nslots != 0))
57028622 9216 {
d3a49aa8
AM		 9217 warn (ngettext ("Section %s is too small for %d slot\n",
9218 "Section %s is too small for %d slots\n",
9219 nslots),
57028622
NC		 9220 section->name, nslots);
9221 return 0;
9222 }
9223
657d0d47
CC		 9224 if (do_display)
9225 {
dda8d76d
NC		 9226 introduce (section, FALSE);
9227
657d0d47 9228 printf (_(" Version: %d\n"), version);
341f9135
CC		 9229 if (version >= 2)
9230 printf (_(" Number of columns: %d\n"), ncols);
657d0d47
CC		 9231 printf (_(" Number of used entries: %d\n"), nused);
9232 printf (_(" Number of slots: %d\n\n"), nslots);
9233 }
9234
03a91817 9235 if (ppool > limit || ppool < phdr)
657d0d47
CC		 9236 {
9237 warn (_("Section %s too small for %d hash table entries\n"),
9238 section->name, nslots);
9239 return 0;
9240 }
9241
341f9135 9242 if (version == 1)
657d0d47 9243 {
341f9135
CC		 9244 if (!do_display)
9245 prealloc_cu_tu_list ((limit - ppool) / 4);
9246 for (i = 0; i < nslots; i++)
657d0d47 9247 {
341f9135
CC		 9248 unsigned char *shndx_list;
9249 unsigned int shndx;
9250
6937bb54 9251 SAFE_BYTE_GET64 (phash, &signature_high, &signature_low, limit);
341f9135 9252 if (signature_high != 0 || signature_low != 0)
657d0d47 9253 {
6937bb54 9254 SAFE_BYTE_GET (j, pindex, 4, limit);
341f9135 9255 shndx_list = ppool + j * 4;
f3853b34
NC		 9256 /* PR 17531: file: 705e010d. */
9257 if (shndx_list < ppool)
9258 {
9259 warn (_("Section index pool located before start of section\n"));
9260 return 0;
9261 }
9262
341f9135
CC		 9263 if (do_display)
9264 printf (_(" [%3d] Signature: 0x%s Sections: "),
9265 i, dwarf_vmatoa64 (signature_high, signature_low,
9266 buf, sizeof (buf)));
9267 for (;;)
657d0d47 9268 {
341f9135
CC		 9269 if (shndx_list >= limit)
9270 {
9271 warn (_("Section %s too small for shndx pool\n"),
9272 section->name);
9273 return 0;
9274 }
6937bb54 9275 SAFE_BYTE_GET (shndx, shndx_list, 4, limit);
341f9135
CC		 9276 if (shndx == 0)
9277 break;
9278 if (do_display)
9279 printf (" %d", shndx);
9280 else
9281 add_shndx_to_cu_tu_entry (shndx);
9282 shndx_list += 4;
657d0d47 9283 }
657d0d47 9284 if (do_display)
341f9135 9285 printf ("\n");
657d0d47 9286 else
341f9135
CC		 9287 end_cu_tu_entry ();
9288 }
9289 phash += 8;
9290 pindex += 4;
9291 }
9292 }
9293 else if (version == 2)
9294 {
9295 unsigned int val;
9296 unsigned int dw_sect;
9297 unsigned char *ph = phash;
9298 unsigned char *pi = pindex;
9299 unsigned char *poffsets = ppool + ncols * 4;
9300 unsigned char *psizes = poffsets + nused * ncols * 4;
9301 unsigned char *pend = psizes + nused * ncols * 4;
9302 bfd_boolean is_tu_index;
9303 struct cu_tu_set *this_set = NULL;
9304 unsigned int row;
9305 unsigned char *prow;
9306
9307 is_tu_index = strcmp (section->name, ".debug_tu_index") == 0;
9308
362beea4 9309 /* PR 17531: file: 0dd159bf.
b4eb7656 9310 Check for wraparound with an overlarge ncols value. */
c8071705 9311 if (poffsets < ppool || (unsigned int) ((poffsets - ppool) / 4) != ncols)
362beea4
NC		 9312 {
9313 warn (_("Overlarge number of columns: %x\n"), ncols);
9314 return 0;
9315 }
9316
341f9135
CC		 9317 if (pend > limit)
9318 {
9319 warn (_("Section %s too small for offset and size tables\n"),
9320 section->name);
9321 return 0;
9322 }
9323
9324 if (do_display)
9325 {
9326 printf (_(" Offset table\n"));
9327 printf (" slot %-16s ",
9328 is_tu_index ? _("signature") : _("dwo_id"));
9329 }
9330 else
9331 {
9332 if (is_tu_index)
9333 {
9334 tu_count = nused;
72c61a0d 9335 tu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set));
341f9135 9336 this_set = tu_sets;
657d0d47 9337 }
657d0d47 9338 else
341f9135
CC		 9339 {
9340 cu_count = nused;
72c61a0d 9341 cu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set));
341f9135
CC		 9342 this_set = cu_sets;
9343 }
9344 }
6937bb54 9345
341f9135
CC		 9346 if (do_display)
9347 {
9348 for (j = 0; j < ncols; j++)
9349 {
6937bb54 9350 SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
341f9135
CC		 9351 printf (" %8s", get_DW_SECT_short_name (dw_sect));
9352 }
9353 printf ("\n");
9354 }
6937bb54 9355
341f9135
CC		 9356 for (i = 0; i < nslots; i++)
9357 {
6937bb54
NC		 9358 SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit);
9359
9360 SAFE_BYTE_GET (row, pi, 4, limit);
341f9135
CC		 9361 if (row != 0)
9362 {
591f7597 9363 /* PR 17531: file: a05f6ab3. */
ef77750e 9364 if (row > nused)
591f7597
NC		 9365 {
9366 warn (_("Row index (%u) is larger than number of used entries (%u)\n"),
9367 row, nused);
9368 return 0;
9369 }
9370
341f9135 9371 if (!do_display)
6aea08d9
NC		 9372 {
9373 size_t num_copy = sizeof (uint64_t);
9374
9375 /* PR 23064: Beware of buffer overflow. */
9376 if (ph + num_copy < limit)
9377 memcpy (&this_set[row - 1].signature, ph, num_copy);
9378 else
9379 {
9380 warn (_("Signature (%p) extends beyond end of space in section\n"), ph);
9381 return 0;
9382 }
9383 }
6937bb54 9384
341f9135 9385 prow = poffsets + (row - 1) * ncols * 4;
ffc0f143
NC		 9386 /* PR 17531: file: b8ce60a8. */
9387 if (prow < poffsets || prow > limit)
9388 {
9389 warn (_("Row index (%u) * num columns (%u) > space remaining in section\n"),
9390 row, ncols);
9391 return 0;
9392 }
3aade688 9393
341f9135
CC		 9394 if (do_display)
9395 printf (_(" [%3d] 0x%s"),
9396 i, dwarf_vmatoa64 (signature_high, signature_low,
9397 buf, sizeof (buf)));
9398 for (j = 0; j < ncols; j++)
9399 {
6937bb54 9400 SAFE_BYTE_GET (val, prow + j * 4, 4, limit);
341f9135
CC		 9401 if (do_display)
9402 printf (" %8d", val);
9403 else
9404 {
6937bb54 9405 SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
82b1b41b
NC		 9406
9407 /* PR 17531: file: 10796eb3. */
9408 if (dw_sect >= DW_SECT_MAX)
9409 warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect);
9410 else
9411 this_set [row - 1].section_offsets [dw_sect] = val;
341f9135
CC		 9412 }
9413 }
6937bb54 9414
341f9135
CC		 9415 if (do_display)
9416 printf ("\n");
9417 }
9418 ph += 8;
9419 pi += 4;
9420 }
9421
9422 ph = phash;
9423 pi = pindex;
9424 if (do_display)
b4eb7656 9425 {
341f9135
CC		 9426 printf ("\n");
9427 printf (_(" Size table\n"));
9428 printf (" slot %-16s ",
9429 is_tu_index ? _("signature") : _("dwo_id"));
b4eb7656 9430 }
6937bb54 9431
341f9135
CC		 9432 for (j = 0; j < ncols; j++)
9433 {
6937bb54 9434 SAFE_BYTE_GET (val, ppool + j * 4, 4, limit);
341f9135
CC		 9435 if (do_display)
9436 printf (" %8s", get_DW_SECT_short_name (val));
9437 }
6937bb54 9438
341f9135
CC		 9439 if (do_display)
9440 printf ("\n");
6937bb54 9441
341f9135
CC		 9442 for (i = 0; i < nslots; i++)
9443 {
6937bb54
NC		 9444 SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit);
9445
9446 SAFE_BYTE_GET (row, pi, 4, limit);
341f9135
CC		 9447 if (row != 0)
9448 {
9449 prow = psizes + (row - 1) * ncols * 4;
6937bb54 9450
341f9135
CC		 9451 if (do_display)
9452 printf (_(" [%3d] 0x%s"),
9453 i, dwarf_vmatoa64 (signature_high, signature_low,
9454 buf, sizeof (buf)));
6937bb54 9455
341f9135
CC		 9456 for (j = 0; j < ncols; j++)
9457 {
6937bb54 9458 SAFE_BYTE_GET (val, prow + j * 4, 4, limit);
341f9135
CC		 9459 if (do_display)
9460 printf (" %8d", val);
9461 else
9462 {
6937bb54 9463 SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit);
82b1b41b
NC		 9464 if (dw_sect >= DW_SECT_MAX)
9465 warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect);
9466 else
341f9135
CC		 9467 this_set [row - 1].section_sizes [dw_sect] = val;
9468 }
9469 }
6937bb54 9470
341f9135
CC		 9471 if (do_display)
9472 printf ("\n");
9473 }
6937bb54 9474
341f9135
CC		 9475 ph += 8;
9476 pi += 4;
657d0d47 9477 }
657d0d47 9478 }
341f9135 9479 else if (do_display)
6937bb54 9480 printf (_(" Unsupported version (%d)\n"), version);
657d0d47
CC		 9481
9482 if (do_display)
9483 printf ("\n");
9484
9485 return 1;
9486}
9487
9488/* Load the CU and TU indexes if present. This will build a list of
9489 section sets that we can use to associate a .debug_info.dwo section
9490 with its associated .debug_abbrev.dwo section in a .dwp file. */
9491
43a444f9 9492static bfd_boolean
657d0d47
CC		 9493load_cu_tu_indexes (void *file)
9494{
43a444f9
NC		 9495 static int cu_tu_indexes_read = -1; /* Tri-state variable. */
9496
657d0d47
CC		 9497 /* If we have already loaded (or tried to load) the CU and TU indexes
9498 then do not bother to repeat the task. */
43a444f9
NC		 9499 if (cu_tu_indexes_read == -1)
9500 {
9501 cu_tu_indexes_read = TRUE;
9502
dda8d76d 9503 if (load_debug_section_with_follow (dwp_cu_index, file))
43a444f9
NC		 9504 if (! process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0))
9505 cu_tu_indexes_read = FALSE;
9506
dda8d76d 9507 if (load_debug_section_with_follow (dwp_tu_index, file))
43a444f9
NC		 9508 if (! process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0))
9509 cu_tu_indexes_read = FALSE;
9510 }
657d0d47 9511
43a444f9 9512 return (bfd_boolean) cu_tu_indexes_read;
657d0d47
CC		 9513}
9514
9515/* Find the set of sections that includes section SHNDX. */
9516
9517unsigned int *
9518find_cu_tu_set (void *file, unsigned int shndx)
9519{
9520 unsigned int i;
9521
43a444f9
NC		 9522 if (! load_cu_tu_indexes (file))
9523 return NULL;
657d0d47
CC		 9524
9525 /* Find SHNDX in the shndx pool. */
9526 for (i = 0; i < shndx_pool_used; i++)
9527 if (shndx_pool [i] == shndx)
9528 break;
9529
9530 if (i >= shndx_pool_used)
9531 return NULL;
9532
9533 /* Now backup to find the first entry in the set. */
9534 while (i > 0 && shndx_pool [i - 1] != 0)
9535 i--;
9536
9537 return shndx_pool + i;
9538}
9539
9540/* Display a .debug_cu_index or .debug_tu_index section. */
9541
9542static int
9543display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED)
9544{
9545 return process_cu_tu_index (section, 1);
9546}
9547
19e6b90e
L		 9548static int
9549display_debug_not_supported (struct dwarf_section *section,
9550 void *file ATTRIBUTE_UNUSED)
9551{
9552 printf (_("Displaying the debug contents of section %s is not yet supported.\n"),
9553 section->name);
9554
9555 return 1;
9556}
9557
1306a742
NC		 9558/* Like malloc, but takes two parameters like calloc.
9559 Verifies that the first parameter is not too large.
82b1b41b 9560 Note: does *not* initialise the allocated memory to zero. */
dda8d76d 9561
19e6b90e
L		 9562void *
9563cmalloc (size_t nmemb, size_t size)
9564{
9565 /* Check for overflow. */
9566 if (nmemb >= ~(size_t) 0 / size)
9567 return NULL;
82b1b41b
NC		 9568
9569 return xmalloc (nmemb * size);
19e6b90e
L		 9570}
9571
1306a742
NC		 9572/* Like xmalloc, but takes two parameters like calloc.
9573 Verifies that the first parameter is not too large.
9574 Note: does *not* initialise the allocated memory to zero. */
dda8d76d 9575
72c61a0d 9576void *
1306a742 9577xcmalloc (size_t nmemb, size_t size)
72c61a0d
NC		 9578{
9579 /* Check for overflow. */
9580 if (nmemb >= ~(size_t) 0 / size)
8490fb40
NC		 9581 {
9582 fprintf (stderr,
9583 _("Attempt to allocate an array with an excessive number of elements: 0x%lx\n"),
9584 (long) nmemb);
9585 xexit (1);
9586 }
72c61a0d 9587
1306a742 9588 return xmalloc (nmemb * size);
72c61a0d
NC		 9589}
9590
1306a742
NC		 9591/* Like xrealloc, but takes three parameters.
9592 Verifies that the second parameter is not too large.
9593 Note: does *not* initialise any new memory to zero. */
dda8d76d 9594
19e6b90e 9595void *
1306a742 9596xcrealloc (void *ptr, size_t nmemb, size_t size)
19e6b90e
L		 9597{
9598 /* Check for overflow. */
9599 if (nmemb >= ~(size_t) 0 / size)
8490fb40 9600 {
dda8d76d
NC		 9601 error (_("Attempt to re-allocate an array with an excessive number of elements: 0x%lx\n"),
9602 (long) nmemb);
8490fb40
NC		 9603 xexit (1);
9604 }
82b1b41b 9605
1306a742 9606 return xrealloc (ptr, nmemb * size);
19e6b90e
L		 9607}
9608
1306a742 9609/* Like xcalloc, but verifies that the first parameter is not too large. */
dda8d76d 9610
19e6b90e 9611void *
1306a742 9612xcalloc2 (size_t nmemb, size_t size)
19e6b90e
L		 9613{
9614 /* Check for overflow. */
9615 if (nmemb >= ~(size_t) 0 / size)
8490fb40 9616 {
dda8d76d
NC		 9617 error (_("Attempt to allocate a zero'ed array with an excessive number of elements: 0x%lx\n"),
9618 (long) nmemb);
8490fb40
NC		 9619 xexit (1);
9620 }
82b1b41b 9621
1306a742 9622 return xcalloc (nmemb, size);
19e6b90e
L		 9623}
9624
dda8d76d
NC		 9625static unsigned long
9626calc_gnu_debuglink_crc32 (unsigned long crc,
9627 const unsigned char * buf,
9628 bfd_size_type len)
9629{
9630 static const unsigned long crc32_table[256] =
9631 {
9632 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
9633 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4,
9634 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07,
9635 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
9636 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856,
9637 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
9638 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4,
9639 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
9640 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
9641 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a,
9642 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599,
9643 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
9644 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190,
9645 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f,
9646 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e,
9647 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
9648 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed,
9649 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
9650 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3,
9651 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
9652 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a,
9653 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5,
9654 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010,
9655 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
9656 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17,
9657 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6,
9658 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
9659 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
9660 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344,
9661 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
9662 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a,
9663 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
9664 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1,
9665 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c,
9666 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef,
9667 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
9668 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe,
9669 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31,
9670 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c,
9671 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
9672 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b,
9673 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
9674 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1,
9675 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
9676 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
9677 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7,
9678 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66,
9679 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
9680 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605,
9681 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
9682 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b,
9683 0x2d02ef8d
9684 };
9685 const unsigned char *end;
9686
9687 crc = ~crc & 0xffffffff;
9688 for (end = buf + len; buf < end; ++ buf)
9689 crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8);
9690 return ~crc & 0xffffffff;
9691}
9692
9693typedef bfd_boolean (* check_func_type) (const char *, void *);
9694typedef const char * (* parse_func_type) (struct dwarf_section *, void *);
9695
9696static bfd_boolean
9697check_gnu_debuglink (const char * pathname, void * crc_pointer)
9698{
9699 static unsigned char buffer [8 * 1024];
9700 FILE * f;
9701 bfd_size_type count;
9702 unsigned long crc = 0;
9703 void * sep_data;
9704
9705 sep_data = open_debug_file (pathname);
9706 if (sep_data == NULL)
9707 return FALSE;
9708
9709 /* Yes - we are opening the file twice... */
9710 f = fopen (pathname, "rb");
9711 if (f == NULL)
9712 {
9713 /* Paranoia: This should never happen. */
9714 close_debug_file (sep_data);
9715 warn (_("Unable to reopen separate debug info file: %s\n"), pathname);
9716 return FALSE;
9717 }
9718
9719 while ((count = fread (buffer, 1, sizeof (buffer), f)) > 0)
9720 crc = calc_gnu_debuglink_crc32 (crc, buffer, count);
9721
9722 fclose (f);
9723
9724 if (crc != * (unsigned long *) crc_pointer)
9725 {
9726 close_debug_file (sep_data);
9727 warn (_("Separate debug info file %s found, but CRC does not match - ignoring\n"),
9728 pathname);
9729 return FALSE;
9730 }
9731
9732 return TRUE;
9733}
9734
9735static const char *
9736parse_gnu_debuglink (struct dwarf_section * section, void * data)
9737{
9738 const char * name;
9739 unsigned int crc_offset;
9740 unsigned long * crc32 = (unsigned long *) data;
9741
9742 /* The name is first.
9743 The CRC value is stored after the filename, aligned up to 4 bytes. */
9744 name = (const char *) section->start;
9745
9746 crc_offset = strnlen (name, section->size) + 1;
9747 crc_offset = (crc_offset + 3) & ~3;
9748 if (crc_offset + 4 > section->size)
9749 return NULL;
9750
9751 * crc32 = byte_get (section->start + crc_offset, 4);
9752 return name;
9753}
9754
9755static bfd_boolean
9756check_gnu_debugaltlink (const char * filename, void * data ATTRIBUTE_UNUSED)
9757{
9758 void * sep_data = open_debug_file (filename);
9759
9760 if (sep_data == NULL)
9761 return FALSE;
9762
9763 /* FIXME: We should now extract the build-id in the separate file
9764 and check it... */
9765
9766 return TRUE;
9767}
9768
9769typedef struct build_id_data
9770{
9771 bfd_size_type len;
9772 const unsigned char * data;
9773} Build_id_data;
9774
9775static const char *
9776parse_gnu_debugaltlink (struct dwarf_section * section, void * data)
9777{
9778 const char * name;
9779 bfd_size_type namelen;
9780 bfd_size_type id_len;
9781 Build_id_data * build_id_data;
9782
9783 /* The name is first.
9784 The build-id follows immediately, with no padding, up to the section's end. */
9785
9786 name = (const char *) section->start;
9787 namelen = strnlen (name, section->size) + 1;
9788 if (namelen >= section->size)
9789 return NULL;
9790
9791 id_len = section->size - namelen;
9792 if (id_len < 0x14)
9793 return NULL;
9794
9795 build_id_data = calloc (1, sizeof * build_id_data);
9796 if (build_id_data == NULL)
9797 return NULL;
9798
9799 build_id_data->len = id_len;
9800 build_id_data->data = section->start + namelen;
9801
9802 * (Build_id_data **) data = build_id_data;
9803
9804 return name;
9805}
9806
9807static void *
9808load_separate_debug_info (const char * main_filename,
2b63c337 9809 struct dwarf_section * xlink,
dda8d76d
NC		 9810 parse_func_type parse_func,
9811 check_func_type check_func,
9812 void * func_data)
9813{
9814 const char * separate_filename;
9815 char * debugfile;
9816 char * canon_dir;
9817 size_t canon_dirlen;
9818 size_t dirlen;
9819
2b63c337 9820 if ((separate_filename = parse_func (xlink, func_data)) == NULL)
dda8d76d
NC		 9821 {
9822 warn (_("Corrupt debuglink section: %s\n"),
2b63c337 9823 xlink->name ? xlink->name : xlink->uncompressed_name);
dda8d76d
NC		 9824 return FALSE;
9825 }
9826
9827 /* Attempt to locate the separate file.
9828 This should duplicate the logic in bfd/opncls.c:find_separate_debug_file(). */
9829
9830 canon_dir = lrealpath (main_filename);
9831
9832 for (canon_dirlen = strlen (canon_dir); canon_dirlen > 0; canon_dirlen--)
9833 if (IS_DIR_SEPARATOR (canon_dir[canon_dirlen - 1]))
9834 break;
9835 canon_dir[canon_dirlen] = '\0';
9836
9837#ifndef DEBUGDIR
9838#define DEBUGDIR "/lib/debug"
9839#endif
9840#ifndef EXTRA_DEBUG_ROOT1
9841#define EXTRA_DEBUG_ROOT1 "/usr/lib/debug"
9842#endif
9843#ifndef EXTRA_DEBUG_ROOT2
9844#define EXTRA_DEBUG_ROOT2 "/usr/lib/debug/usr"
9845#endif
9846
9847 debugfile = (char *) malloc (strlen (DEBUGDIR) + 1
9848 + canon_dirlen
9849 + strlen (".debug/")
9850#ifdef EXTRA_DEBUG_ROOT1
9851 + strlen (EXTRA_DEBUG_ROOT1)
9852#endif
9853#ifdef EXTRA_DEBUG_ROOT2
9854 + strlen (EXTRA_DEBUG_ROOT2)
9855#endif
9856 + strlen (separate_filename)
9857 + 1);
9858 if (debugfile == NULL)
9859 {
9860 warn (_("Out of memory"));
3391569f 9861 free (canon_dir);
dda8d76d
NC		 9862 return NULL;
9863 }
9864
9865 /* First try in the current directory. */
9866 sprintf (debugfile, "%s", separate_filename);
9867 if (check_func (debugfile, func_data))
9868 goto found;
9869
9870 /* Then try in a subdirectory called .debug. */
9871 sprintf (debugfile, ".debug/%s", separate_filename);
9872 if (check_func (debugfile, func_data))
9873 goto found;
9874
9875 /* Then try in the same directory as the original file. */
9876 sprintf (debugfile, "%s%s", canon_dir, separate_filename);
9877 if (check_func (debugfile, func_data))
9878 goto found;
9879
9880 /* And the .debug subdirectory of that directory. */
9881 sprintf (debugfile, "%s.debug/%s", canon_dir, separate_filename);
9882 if (check_func (debugfile, func_data))
9883 goto found;
9884
9885#ifdef EXTRA_DEBUG_ROOT1
9886 /* Try the first extra debug file root. */
9887 sprintf (debugfile, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename);
9888 if (check_func (debugfile, func_data))
9889 goto found;
9890#endif
9891
9892#ifdef EXTRA_DEBUG_ROOT2
9893 /* Try the second extra debug file root. */
9894 sprintf (debugfile, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename);
9895 if (check_func (debugfile, func_data))
9896 goto found;
9897#endif
9898
9899 /* Then try in the global debugfile directory. */
9900 strcpy (debugfile, DEBUGDIR);
9901 dirlen = strlen (DEBUGDIR) - 1;
9902 if (dirlen > 0 && DEBUGDIR[dirlen] != '/')
9903 strcat (debugfile, "/");
9904 strcat (debugfile, (const char *) separate_filename);
9905
9906 if (check_func (debugfile, func_data))
9907 goto found;
9908
9909 /* Failed to find the file. */
9910 warn (_("could not find separate debug file '%s'\n"), separate_filename);
9911 warn (_("tried: %s\n"), debugfile);
9912
9913#ifdef EXTRA_DEBUG_ROOT2
9914 sprintf (debugfile, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename);
9915 warn (_("tried: %s\n"), debugfile);
9916#endif
9917
9918#ifdef EXTRA_DEBUG_ROOT1
9919 sprintf (debugfile, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename);
9920 warn (_("tried: %s\n"), debugfile);
9921#endif
9922
9923 sprintf (debugfile, "%s.debug/%s", canon_dir, separate_filename);
9924 warn (_("tried: %s\n"), debugfile);
9925
9926 sprintf (debugfile, "%s%s", canon_dir, separate_filename);
9927 warn (_("tried: %s\n"), debugfile);
9928
9929 sprintf (debugfile, ".debug/%s", separate_filename);
9930 warn (_("tried: %s\n"), debugfile);
9931
9932 sprintf (debugfile, "%s", separate_filename);
9933 warn (_("tried: %s\n"), debugfile);
9934
9935 free (canon_dir);
9936 free (debugfile);
9937 return NULL;
9938
9939 found:
9940 free (canon_dir);
9941
9942 /* Now open the file.... */
9943 if ((separate_debug_file = open_debug_file (debugfile)) == NULL)
9944 {
9945 warn (_("failed to open separate debug file: %s\n"), debugfile);
9946 free (debugfile);
9947 return FALSE;
9948 }
9949
9950 /* FIXME: We do not check to see if there are any other separate debug info
9951 files that would also match. */
9952
9953 printf (_("%s: Found separate debug info file: %s\n\n"), main_filename, debugfile);
9954 separate_debug_filename = debugfile;
9955
9956 /* Do not free debugfile - it might be referenced inside
9957 the structure returned by open_debug_file(). */
9958 return separate_debug_file;
9959}
9960
d85bf2ba
NC		 9961/* Attempt to load a separate dwarf object file. */
9962
9963static void *
9964load_dwo_file (const char * main_filename)
9965{
9966 char * filename;
9967
9968 /* FIXME: Skip adding / if dwo_dir ends in /. */
9969 filename = concat (dwo_dir, "/", dwo_name, NULL);
9970 if (filename == NULL)
9971 {
9972 warn (_("Out of memory allocating dwo filename\n"));
9973 return NULL;
9974 }
9975
9976 if ((separate_debug_file = open_debug_file (filename)) == NULL)
9977 {
9978 warn (_("Unable to load dwo file: %s\n"), filename);
9979 free (filename);
9980 return NULL;
9981 }
9982
9983 /* FIXME: We should check the dwo_id. */
9984
9985 printf (_("%s: Found separate debug object file: %s\n\n"), main_filename, filename);
9986 separate_debug_filename = filename;
9987 return separate_debug_file;
9988}
9989
dda8d76d
NC		 9990/* Load a separate debug info file, if it exists.
9991 Returns the data pointer that is the result of calling open_debug_file
d85bf2ba
NC		 9992 on the separate debug info file, or NULL if there were problems or there
9993 is no such file. */
dda8d76d
NC		 9994
9995void *
9996load_separate_debug_file (void * file, const char * filename)
9997{
8de3a6e2
NC		 9998 /* Skip this operation if we are not interested in debug links. */
9999 if (! do_follow_links && ! do_debug_links)
10000 return NULL;
10001
d85bf2ba
NC		 10002 /* See if there is a dwo link. */
10003 if (load_debug_section (str, file)
10004 && load_debug_section (abbrev, file)
10005 && load_debug_section (info, file))
10006 {
10007 dwo_name = dwo_dir = NULL;
10008 dwo_id = NULL;
10009 dwo_id_len = 0;
10010
10011 if (process_debug_info (& debug_displays[info].section, file, abbrev, TRUE, FALSE))
10012 {
10013 if (dwo_name != NULL)
10014 {
10015 if (do_debug_links)
10016 {
10017 printf (_("The %s section contains a link to a dwo file:\n"),
10018 debug_displays [info].section.uncompressed_name);
10019 printf (_(" Name: %s\n"), dwo_name);
10020 printf (_(" Directory: %s\n"), dwo_dir ? dwo_dir : _("<not-found>"));
10021 if (dwo_id != NULL)
10022 display_data (printf (_(" ID: ")), dwo_id, dwo_id_len);
10023 else
10024 printf (_(" ID: <unknown>\n"));
10025 printf ("\n\n");
10026 }
10027
10028 /* FIXME: We do not check to see if there are any more dwo links in the file... */
10029 if (do_follow_links)
10030 return load_dwo_file (filename);
10031 }
10032 }
10033 }
10034
dda8d76d 10035 if (! do_follow_links)
8de3a6e2
NC		 10036 /* The other debug links will be displayed by display_debug_links()
10037 so we do not need to do any further processing here. */
dda8d76d
NC		 10038 return NULL;
10039
10040 /* FIXME: We do not check for the presence of both link sections in the same file. */
10041 /* FIXME: We do not check the separate debug info file to see if it too contains debuglinks. */
10042 /* FIXME: We do not check for the presence of multiple, same-name debuglink sections. */
d85bf2ba 10043 /* FIXME: We do not check for the presence of a dwo link as well as a debuglink. */
dda8d76d 10044
dda8d76d
NC		 10045 if (load_debug_section (gnu_debugaltlink, file))
10046 {
10047 Build_id_data * build_id_data;
10048
10049 return load_separate_debug_info (filename,
10050 & debug_displays[gnu_debugaltlink].section,
10051 parse_gnu_debugaltlink,
10052 check_gnu_debugaltlink,
10053 & build_id_data);
10054 }
10055
10056 if (load_debug_section (gnu_debuglink, file))
10057 {
10058 unsigned long crc32;
10059
10060 return load_separate_debug_info (filename,
10061 & debug_displays[gnu_debuglink].section,
10062 parse_gnu_debuglink,
10063 check_gnu_debuglink,
10064 & crc32);
10065 }
10066
10067 do_follow_links = 0;
10068 return NULL;
10069}
10070
19e6b90e
L		 10071void
10072free_debug_memory (void)
10073{
3f5e193b 10074 unsigned int i;
19e6b90e
L		 10075
10076 free_abbrevs ();
10077
10078 for (i = 0; i < max; i++)
3f5e193b 10079 free_debug_section ((enum dwarf_section_display_enum) i);
19e6b90e 10080
cc86f28f 10081 if (debug_information != NULL)
19e6b90e 10082 {
cc86f28f 10083 if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE)
19e6b90e 10084 {
cc86f28f 10085 for (i = 0; i < num_debug_info_entries; i++)
19e6b90e 10086 {
cc86f28f
NC		 10087 if (!debug_information [i].max_loc_offsets)
10088 {
10089 free (debug_information [i].loc_offsets);
10090 free (debug_information [i].have_frame_base);
10091 }
10092 if (!debug_information [i].max_range_lists)
10093 free (debug_information [i].range_lists);
19e6b90e 10094 }
19e6b90e
L		 10095 }
10096 free (debug_information);
10097 debug_information = NULL;
82b1b41b 10098 alloc_num_debug_info_entries = num_debug_info_entries = 0;
19e6b90e 10099 }
dda8d76d
NC		 10100
10101 if (separate_debug_file != NULL)
10102 {
10103 close_debug_file (separate_debug_file);
10104 separate_debug_file = NULL;
10105
10106 free ((void *) separate_debug_filename);
10107 separate_debug_filename = NULL;
10108 }
19e6b90e
L		 10109}
10110
4cb93e3b
TG		 10111void
10112dwarf_select_sections_by_names (const char *names)
10113{
10114 typedef struct
10115 {
10116 const char * option;
10117 int * variable;
f9f0e732 10118 int val;
4cb93e3b
TG		 10119 }
10120 debug_dump_long_opts;
10121
10122 static const debug_dump_long_opts opts_table [] =
10123 {
10124 /* Please keep this table alpha- sorted. */
10125 { "Ranges", & do_debug_ranges, 1 },
10126 { "abbrev", & do_debug_abbrevs, 1 },
657d0d47 10127 { "addr", & do_debug_addr, 1 },
4cb93e3b 10128 { "aranges", & do_debug_aranges, 1 },
657d0d47
CC		 10129 { "cu_index", & do_debug_cu_index, 1 },
10130 { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED },
dda8d76d 10131 { "follow-links", & do_follow_links, 1 },
4cb93e3b
TG		 10132 { "frames", & do_debug_frames, 1 },
10133 { "frames-interp", & do_debug_frames_interp, 1 },
657d0d47
CC		 10134 /* The special .gdb_index section. */
10135 { "gdb_index", & do_gdb_index, 1 },
4cb93e3b
TG		 10136 { "info", & do_debug_info, 1 },
10137 { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */
dda8d76d 10138 { "links", & do_debug_links, 1 },
4cb93e3b
TG		 10139 { "loc", & do_debug_loc, 1 },
10140 { "macro", & do_debug_macinfo, 1 },
10141 { "pubnames", & do_debug_pubnames, 1 },
357da287 10142 { "pubtypes", & do_debug_pubtypes, 1 },
222c2bf0 10143 /* This entry is for compatibility
4cb93e3b
TG		 10144 with earlier versions of readelf. */
10145 { "ranges", & do_debug_aranges, 1 },
657d0d47 10146 { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW },
4cb93e3b 10147 { "str", & do_debug_str, 1 },
6f875884
TG		 10148 /* These trace_* sections are used by Itanium VMS. */
10149 { "trace_abbrev", & do_trace_abbrevs, 1 },
10150 { "trace_aranges", & do_trace_aranges, 1 },
10151 { "trace_info", & do_trace_info, 1 },
4cb93e3b
TG		 10152 { NULL, NULL, 0 }
10153 };
10154
10155 const char *p;
467c65bc 10156
4cb93e3b
TG		 10157 p = names;
10158 while (*p)
10159 {
10160 const debug_dump_long_opts * entry;
467c65bc 10161
4cb93e3b
TG		 10162 for (entry = opts_table; entry->option; entry++)
10163 {
10164 size_t len = strlen (entry->option);
467c65bc 10165
4cb93e3b
TG		 10166 if (strncmp (p, entry->option, len) == 0
10167 && (p[len] == ',' || p[len] == '\0'))
10168 {
10169 * entry->variable |= entry->val;
467c65bc 10170
4cb93e3b
TG		 10171 /* The --debug-dump=frames-interp option also
10172 enables the --debug-dump=frames option. */
10173 if (do_debug_frames_interp)
10174 do_debug_frames = 1;
10175
10176 p += len;
10177 break;
10178 }
10179 }
467c65bc 10180
4cb93e3b
TG		 10181 if (entry->option == NULL)
10182 {
10183 warn (_("Unrecognized debug option '%s'\n"), p);
10184 p = strchr (p, ',');
10185 if (p == NULL)
10186 break;
10187 }
467c65bc 10188
4cb93e3b
TG		 10189 if (*p == ',')
10190 p++;
10191 }
10192}
10193
10194void
10195dwarf_select_sections_by_letters (const char *letters)
10196{
91d6fa6a 10197 unsigned int lindex = 0;
4cb93e3b 10198
91d6fa6a
NC		 10199 while (letters[lindex])
10200 switch (letters[lindex++])
4cb93e3b 10201 {
dda8d76d
NC		 10202 case 'A': do_debug_addr = 1; break;
10203 case 'a': do_debug_abbrevs = 1; break;
10204 case 'c': do_debug_cu_index = 1; break;
10205 case 'F': do_debug_frames_interp = 1; /* Fall through. */
10206 case 'f': do_debug_frames = 1; break;
10207 case 'g': do_gdb_index = 1; break;
10208 case 'i': do_debug_info = 1; break;
10209 case 'K': do_follow_links = 1; break;
10210 case 'k': do_debug_links = 1; break;
10211 case 'l': do_debug_lines |= FLAG_DEBUG_LINES_RAW; break;
10212 case 'L': do_debug_lines |= FLAG_DEBUG_LINES_DECODED; break;
10213 case 'm': do_debug_macinfo = 1; break;
10214 case 'o': do_debug_loc = 1; break;
10215 case 'p': do_debug_pubnames = 1; break;
10216 case 'R': do_debug_ranges = 1; break;
10217 case 'r': do_debug_aranges = 1; break;
10218 case 's': do_debug_str = 1; break;
10219 case 'T': do_trace_aranges = 1; break;
10220 case 't': do_debug_pubtypes = 1; break;
10221 case 'U': do_trace_info = 1; break;
10222 case 'u': do_trace_abbrevs = 1; break;
467c65bc 10223
4cb93e3b 10224 default:
7cc78d07 10225 warn (_("Unrecognized debug option '%s'\n"), letters);
4cb93e3b
TG		 10226 break;
10227 }
10228}
10229
10230void
10231dwarf_select_sections_all (void)
10232{
10233 do_debug_info = 1;
10234 do_debug_abbrevs = 1;
10235 do_debug_lines = FLAG_DEBUG_LINES_RAW;
10236 do_debug_pubnames = 1;
f9f0e732 10237 do_debug_pubtypes = 1;
4cb93e3b
TG		 10238 do_debug_aranges = 1;
10239 do_debug_ranges = 1;
10240 do_debug_frames = 1;
10241 do_debug_macinfo = 1;
10242 do_debug_str = 1;
10243 do_debug_loc = 1;
5bbdf3d5 10244 do_gdb_index = 1;
6f875884
TG		 10245 do_trace_info = 1;
10246 do_trace_abbrevs = 1;
10247 do_trace_aranges = 1;
657d0d47
CC		 10248 do_debug_addr = 1;
10249 do_debug_cu_index = 1;
dda8d76d
NC		 10250 do_follow_links = 1;
10251 do_debug_links = 1;
4cb93e3b
TG		 10252}
10253
dda8d76d
NC		 10254#define NO_ABBREVS NULL, NULL, NULL, 0, 0, 0, NULL, 0, NULL
10255#define ABBREV(N) NULL, NULL, NULL, 0, 0, N, NULL, 0, NULL
10256
10257/* N.B. The order here must match the order in section_display_enum. */
10258
19e6b90e
L		 10259struct dwarf_section_display debug_displays[] =
10260{
dda8d76d
NC		 10261 { { ".debug_abbrev", ".zdebug_abbrev", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE },
10262 { { ".debug_aranges", ".zdebug_aranges", NO_ABBREVS }, display_debug_aranges, &do_debug_aranges, TRUE },
10263 { { ".debug_frame", ".zdebug_frame", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE },
10264 { { ".debug_info", ".zdebug_info", ABBREV (abbrev)}, display_debug_info, &do_debug_info, TRUE },
10265 { { ".debug_line", ".zdebug_line", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE },
10266 { { ".debug_pubnames", ".zdebug_pubnames", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubnames, FALSE },
10267 { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubnames, FALSE },
10268 { { ".eh_frame", "", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE },
10269 { { ".debug_macinfo", ".zdebug_macinfo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE },
10270 { { ".debug_macro", ".zdebug_macro", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE },
10271 { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
10272 { { ".debug_line_str", ".zdebug_line_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
10273 { { ".debug_loc", ".zdebug_loc", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
10274 { { ".debug_loclists", ".zdebug_loclists", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
10275 { { ".debug_pubtypes", ".zdebug_pubtypes", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubtypes, FALSE },
10276 { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubtypes, FALSE },
10277 { { ".debug_ranges", ".zdebug_ranges", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE },
10278 { { ".debug_rnglists", ".zdebug_rnglists", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE },
10279 { { ".debug_static_func", ".zdebug_static_func", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
10280 { { ".debug_static_vars", ".zdebug_static_vars", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
10281 { { ".debug_types", ".zdebug_types", ABBREV (abbrev) }, display_debug_types, &do_debug_info, TRUE },
10282 { { ".debug_weaknames", ".zdebug_weaknames", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE },
10283 { { ".gdb_index", "", NO_ABBREVS }, display_gdb_index, &do_gdb_index, FALSE },
10284 { { ".debug_names", "", NO_ABBREVS }, display_debug_names, &do_gdb_index, FALSE },
10285 { { ".trace_info", "", ABBREV (trace_abbrev) }, display_trace_info, &do_trace_info, TRUE },
10286 { { ".trace_abbrev", "", NO_ABBREVS }, display_debug_abbrev, &do_trace_abbrevs, FALSE },
10287 { { ".trace_aranges", "", NO_ABBREVS }, display_debug_aranges, &do_trace_aranges, FALSE },
10288 { { ".debug_info.dwo", ".zdebug_info.dwo", ABBREV (abbrev_dwo) }, display_debug_info, &do_debug_info, TRUE },
10289 { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE },
10290 { { ".debug_types.dwo", ".zdebug_types.dwo", ABBREV (abbrev_dwo) }, display_debug_types, &do_debug_info, TRUE },
10291 { { ".debug_line.dwo", ".zdebug_line.dwo", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE },
10292 { { ".debug_loc.dwo", ".zdebug_loc.dwo", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE },
10293 { { ".debug_macro.dwo", ".zdebug_macro.dwo", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE },
10294 { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE },
10295 { { ".debug_str.dwo", ".zdebug_str.dwo", NO_ABBREVS }, display_debug_str, &do_debug_str, TRUE },
10296 { { ".debug_str_offsets", ".zdebug_str_offsets", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE },
10297 { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE },
10298 { { ".debug_addr", ".zdebug_addr", NO_ABBREVS }, display_debug_addr, &do_debug_addr, TRUE },
10299 { { ".debug_cu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE },
10300 { { ".debug_tu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE },
10301 { { ".gnu_debuglink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE },
10302 { { ".gnu_debugaltlink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE },
10303 /* Separate debug info files can containt their own .debug_str section,
10304 and this might be in *addition* to a .debug_str section already present
10305 in the main file. Hence we need to have two entries for .debug_str. */
10306 { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE },
19e6b90e 10307};
b451e98a
JK		 10308
10309/* A static assertion. */
10310extern int debug_displays_assert[ARRAY_SIZE (debug_displays) == max ? 1 : -1];
GDB Binutils - Deliverables
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