Commit | Line | Data |
---|---|---|
19e6b90e | 1 | /* dwarf.c -- display DWARF contents of a BFD binary file |
2571583a | 2 | Copyright (C) 2005-2017 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 |
39 | static const char *regname (unsigned int regno, int row); |
40 | ||
19e6b90e L |
41 | static int have_frame_base; |
42 | static int need_base_address; | |
43 | ||
19e6b90e | 44 | static unsigned int num_debug_info_entries = 0; |
82b1b41b | 45 | static unsigned int alloc_num_debug_info_entries = 0; |
19e6b90e | 46 | static 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 |
51 | static const char * dwo_name; |
52 | static const char * dwo_dir; | |
53 | static const unsigned char * dwo_id; | |
54 | static bfd_size_type dwo_id_len; | |
55 | static bfd_boolean need_dwo_info; | |
56 | ||
77ef8654 | 57 | unsigned int eh_addr_size; |
19e6b90e L |
58 | |
59 | int do_debug_info; | |
60 | int do_debug_abbrevs; | |
61 | int do_debug_lines; | |
62 | int do_debug_pubnames; | |
f9f0e732 | 63 | int do_debug_pubtypes; |
19e6b90e L |
64 | int do_debug_aranges; |
65 | int do_debug_ranges; | |
66 | int do_debug_frames; | |
67 | int do_debug_frames_interp; | |
68 | int do_debug_macinfo; | |
69 | int do_debug_str; | |
70 | int do_debug_loc; | |
5bbdf3d5 | 71 | int do_gdb_index; |
6f875884 TG |
72 | int do_trace_info; |
73 | int do_trace_abbrevs; | |
74 | int do_trace_aranges; | |
657d0d47 CC |
75 | int do_debug_addr; |
76 | int do_debug_cu_index; | |
a262ae96 | 77 | int do_wide; |
dda8d76d NC |
78 | int do_debug_links; |
79 | int do_follow_links; | |
19e6b90e | 80 | |
fd2f0033 TT |
81 | int dwarf_cutoff_level = -1; |
82 | unsigned long dwarf_start_die; | |
83 | ||
4723351a CC |
84 | int 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. */ | |
88 | static 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 |
95 | static unsigned int *shndx_pool = NULL; |
96 | static unsigned int shndx_pool_size = 0; | |
97 | static unsigned int shndx_pool_used = 0; | |
98 | ||
dda8d76d NC |
99 | /* Pointer to a separate file containing extra debug information. */ |
100 | static void * separate_debug_file = NULL; | |
101 | static 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 | ||
109 | struct 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 | ||
116 | static int cu_count = 0; | |
117 | static int tu_count = 0; | |
118 | static struct cu_tu_set *cu_sets = NULL; | |
119 | static struct cu_tu_set *tu_sets = NULL; | |
120 | ||
43a444f9 | 121 | static 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 | 127 | static unsigned int |
f1c4cc75 RH |
128 | size_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 | ||
140 | static dwarf_vma | |
041830e0 | 141 | get_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 | 204 | static const char * |
bf5117e3 | 205 | dwarf_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 |
243 | static inline const char * |
244 | dwarf_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 | ||
253 | static void | |
254 | print_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 | ||
263 | static void | |
264 | print_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 | ||
282 | static const char * | |
283 | dwarf_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 | 305 | dwarf_vma |
f6f0e17b NC |
306 | read_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 |
343 | static inline dwarf_signed_vma |
344 | read_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 | ||
351 | static inline dwarf_vma | |
352 | read_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 | ||
0c588247 NC |
390 | #define SAFE_BYTE_GET(VAL, PTR, AMOUNT, END) \ |
391 | do \ | |
392 | { \ | |
393 | unsigned int amount = (AMOUNT); \ | |
34b9f729 NC |
394 | if (sizeof (VAL) < amount) \ |
395 | { \ | |
d3a49aa8 AM |
396 | error (ngettext ("internal error: attempt to read %d byte " \ |
397 | "of data in to %d sized variable", \ | |
398 | "internal error: attempt to read %d bytes " \ | |
399 | "of data in to %d sized variable", \ | |
400 | amount), \ | |
34b9f729 NC |
401 | amount, (int) sizeof (VAL)); \ |
402 | amount = sizeof (VAL); \ | |
403 | } \ | |
0c588247 NC |
404 | if (((PTR) + amount) >= (END)) \ |
405 | { \ | |
406 | if ((PTR) < (END)) \ | |
407 | amount = (END) - (PTR); \ | |
408 | else \ | |
409 | amount = 0; \ | |
410 | } \ | |
6937bb54 | 411 | if (amount == 0 || amount > 8) \ |
0c588247 | 412 | VAL = 0; \ |
6937bb54 NC |
413 | else \ |
414 | VAL = byte_get ((PTR), amount); \ | |
0c588247 NC |
415 | } \ |
416 | while (0) | |
417 | ||
418 | #define SAFE_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \ | |
419 | do \ | |
420 | { \ | |
421 | SAFE_BYTE_GET (VAL, PTR, AMOUNT, END); \ | |
422 | PTR += AMOUNT; \ | |
423 | } \ | |
424 | while (0) | |
425 | ||
426 | #define SAFE_SIGNED_BYTE_GET(VAL, PTR, AMOUNT, END) \ | |
427 | do \ | |
428 | { \ | |
429 | unsigned int amount = (AMOUNT); \ | |
430 | if (((PTR) + amount) >= (END)) \ | |
431 | { \ | |
432 | if ((PTR) < (END)) \ | |
433 | amount = (END) - (PTR); \ | |
434 | else \ | |
435 | amount = 0; \ | |
436 | } \ | |
437 | if (amount) \ | |
438 | VAL = byte_get_signed ((PTR), amount); \ | |
439 | else \ | |
440 | VAL = 0; \ | |
441 | } \ | |
442 | while (0) | |
443 | ||
444 | #define SAFE_SIGNED_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \ | |
445 | do \ | |
446 | { \ | |
447 | SAFE_SIGNED_BYTE_GET (VAL, PTR, AMOUNT, END); \ | |
448 | PTR += AMOUNT; \ | |
449 | } \ | |
450 | while (0) | |
451 | ||
452 | #define SAFE_BYTE_GET64(PTR, HIGH, LOW, END) \ | |
453 | do \ | |
454 | { \ | |
87bc83b3 | 455 | if (((PTR) + 8) <= (END)) \ |
0c588247 NC |
456 | { \ |
457 | byte_get_64 ((PTR), (HIGH), (LOW)); \ | |
458 | } \ | |
459 | else \ | |
460 | { \ | |
0c588247 NC |
461 | * (LOW) = * (HIGH) = 0; \ |
462 | } \ | |
463 | } \ | |
464 | while (0) | |
465 | ||
19e6b90e L |
466 | typedef struct State_Machine_Registers |
467 | { | |
467c65bc | 468 | dwarf_vma address; |
ba8826a8 | 469 | unsigned int view; |
19e6b90e L |
470 | unsigned int file; |
471 | unsigned int line; | |
472 | unsigned int column; | |
473 | int is_stmt; | |
474 | int basic_block; | |
a233b20c JJ |
475 | unsigned char op_index; |
476 | unsigned char end_sequence; | |
ba8826a8 AO |
477 | /* This variable hold the number of the last entry seen |
478 | in the File Table. */ | |
19e6b90e L |
479 | unsigned int last_file_entry; |
480 | } SMR; | |
481 | ||
482 | static SMR state_machine_regs; | |
483 | ||
484 | static void | |
485 | reset_state_machine (int is_stmt) | |
486 | { | |
487 | state_machine_regs.address = 0; | |
ba8826a8 | 488 | state_machine_regs.view = 0; |
a233b20c | 489 | state_machine_regs.op_index = 0; |
19e6b90e L |
490 | state_machine_regs.file = 1; |
491 | state_machine_regs.line = 1; | |
492 | state_machine_regs.column = 0; | |
493 | state_machine_regs.is_stmt = is_stmt; | |
494 | state_machine_regs.basic_block = 0; | |
495 | state_machine_regs.end_sequence = 0; | |
496 | state_machine_regs.last_file_entry = 0; | |
497 | } | |
498 | ||
499 | /* Handled an extend line op. | |
500 | Returns the number of bytes read. */ | |
501 | ||
502 | static int | |
f6f0e17b NC |
503 | process_extended_line_op (unsigned char * data, |
504 | int is_stmt, | |
505 | unsigned char * end) | |
19e6b90e L |
506 | { |
507 | unsigned char op_code; | |
508 | unsigned int bytes_read; | |
509 | unsigned int len; | |
510 | unsigned char *name; | |
143a3db0 | 511 | unsigned char *orig_data = data; |
f6f0e17b | 512 | dwarf_vma adr; |
19e6b90e | 513 | |
f6f0e17b | 514 | len = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
515 | data += bytes_read; |
516 | ||
e44c58ce | 517 | if (len == 0 || data == end || len > (uintptr_t) (end - data)) |
19e6b90e | 518 | { |
f41e4712 | 519 | warn (_("Badly formed extended line op encountered!\n")); |
19e6b90e L |
520 | return bytes_read; |
521 | } | |
522 | ||
523 | len += bytes_read; | |
524 | op_code = *data++; | |
525 | ||
526 | printf (_(" Extended opcode %d: "), op_code); | |
527 | ||
528 | switch (op_code) | |
529 | { | |
530 | case DW_LNE_end_sequence: | |
531 | printf (_("End of Sequence\n\n")); | |
532 | reset_state_machine (is_stmt); | |
533 | break; | |
534 | ||
535 | case DW_LNE_set_address: | |
6937bb54 NC |
536 | /* PR 17512: file: 002-100480-0.004. */ |
537 | if (len - bytes_read - 1 > 8) | |
77ef8654 NC |
538 | { |
539 | warn (_("Length (%d) of DW_LNE_set_address op is too long\n"), | |
540 | len - bytes_read - 1); | |
541 | adr = 0; | |
542 | } | |
543 | else | |
544 | SAFE_BYTE_GET (adr, data, len - bytes_read - 1, end); | |
47704ddf | 545 | printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr)); |
19e6b90e | 546 | state_machine_regs.address = adr; |
ba8826a8 | 547 | state_machine_regs.view = 0; |
a233b20c | 548 | state_machine_regs.op_index = 0; |
19e6b90e L |
549 | break; |
550 | ||
551 | case DW_LNE_define_file: | |
143a3db0 | 552 | printf (_("define new File Table entry\n")); |
19e6b90e | 553 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); |
cc5914eb | 554 | printf (" %d\t", ++state_machine_regs.last_file_entry); |
f6f0e17b | 555 | |
d949ff56 NC |
556 | { |
557 | size_t l; | |
558 | ||
559 | name = data; | |
560 | l = strnlen ((char *) data, end - data); | |
561 | data += len + 1; | |
562 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
563 | data += bytes_read; | |
564 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
565 | data += bytes_read; | |
566 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
567 | data += bytes_read; | |
568 | printf ("%.*s\n\n", (int) l, name); | |
569 | } | |
f6f0e17b NC |
570 | |
571 | if (((unsigned int) (data - orig_data) != len) || data == end) | |
b4eb7656 | 572 | warn (_("DW_LNE_define_file: Bad opcode length\n")); |
19e6b90e L |
573 | break; |
574 | ||
ed4a4bdf | 575 | case DW_LNE_set_discriminator: |
47704ddf | 576 | printf (_("set Discriminator to %s\n"), |
f6f0e17b | 577 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); |
ed4a4bdf CC |
578 | break; |
579 | ||
e2a0d921 NC |
580 | /* HP extensions. */ |
581 | case DW_LNE_HP_negate_is_UV_update: | |
ed4a4bdf | 582 | printf ("DW_LNE_HP_negate_is_UV_update\n"); |
e2a0d921 NC |
583 | break; |
584 | case DW_LNE_HP_push_context: | |
ed4a4bdf | 585 | printf ("DW_LNE_HP_push_context\n"); |
e2a0d921 NC |
586 | break; |
587 | case DW_LNE_HP_pop_context: | |
ed4a4bdf | 588 | printf ("DW_LNE_HP_pop_context\n"); |
e2a0d921 NC |
589 | break; |
590 | case DW_LNE_HP_set_file_line_column: | |
ed4a4bdf | 591 | printf ("DW_LNE_HP_set_file_line_column\n"); |
e2a0d921 NC |
592 | break; |
593 | case DW_LNE_HP_set_routine_name: | |
ed4a4bdf | 594 | printf ("DW_LNE_HP_set_routine_name\n"); |
e2a0d921 NC |
595 | break; |
596 | case DW_LNE_HP_set_sequence: | |
ed4a4bdf | 597 | printf ("DW_LNE_HP_set_sequence\n"); |
e2a0d921 NC |
598 | break; |
599 | case DW_LNE_HP_negate_post_semantics: | |
ed4a4bdf | 600 | printf ("DW_LNE_HP_negate_post_semantics\n"); |
e2a0d921 NC |
601 | break; |
602 | case DW_LNE_HP_negate_function_exit: | |
ed4a4bdf | 603 | printf ("DW_LNE_HP_negate_function_exit\n"); |
e2a0d921 NC |
604 | break; |
605 | case DW_LNE_HP_negate_front_end_logical: | |
ed4a4bdf | 606 | printf ("DW_LNE_HP_negate_front_end_logical\n"); |
e2a0d921 NC |
607 | break; |
608 | case DW_LNE_HP_define_proc: | |
ed4a4bdf | 609 | printf ("DW_LNE_HP_define_proc\n"); |
e2a0d921 | 610 | break; |
43294ab7 TG |
611 | case DW_LNE_HP_source_file_correlation: |
612 | { | |
b4eb7656 AM |
613 | unsigned char *edata = data + len - bytes_read - 1; |
614 | ||
615 | printf ("DW_LNE_HP_source_file_correlation\n"); | |
616 | ||
617 | while (data < edata) | |
618 | { | |
619 | unsigned int opc; | |
620 | ||
621 | opc = read_uleb128 (data, & bytes_read, edata); | |
622 | data += bytes_read; | |
623 | ||
624 | switch (opc) | |
625 | { | |
626 | case DW_LNE_HP_SFC_formfeed: | |
627 | printf (" DW_LNE_HP_SFC_formfeed\n"); | |
628 | break; | |
629 | case DW_LNE_HP_SFC_set_listing_line: | |
630 | printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n", | |
631 | dwarf_vmatoa ("u", | |
632 | read_uleb128 (data, & bytes_read, edata))); | |
633 | data += bytes_read; | |
634 | break; | |
635 | case DW_LNE_HP_SFC_associate: | |
636 | printf (" DW_LNE_HP_SFC_associate "); | |
637 | printf ("(%s", | |
638 | dwarf_vmatoa ("u", | |
639 | read_uleb128 (data, & bytes_read, edata))); | |
640 | data += bytes_read; | |
641 | printf (",%s", | |
642 | dwarf_vmatoa ("u", | |
643 | read_uleb128 (data, & bytes_read, edata))); | |
644 | data += bytes_read; | |
645 | printf (",%s)\n", | |
646 | dwarf_vmatoa ("u", | |
647 | read_uleb128 (data, & bytes_read, edata))); | |
648 | data += bytes_read; | |
649 | break; | |
650 | default: | |
651 | printf (_(" UNKNOWN DW_LNE_HP_SFC opcode (%u)\n"), opc); | |
652 | data = edata; | |
653 | break; | |
654 | } | |
655 | } | |
43294ab7 TG |
656 | } |
657 | break; | |
cecf136e | 658 | |
19e6b90e | 659 | default: |
7e665af3 | 660 | { |
b4eb7656 AM |
661 | unsigned int rlen = len - bytes_read - 1; |
662 | ||
663 | if (op_code >= DW_LNE_lo_user | |
664 | /* The test against DW_LNW_hi_user is redundant due to | |
665 | the limited range of the unsigned char data type used | |
666 | for op_code. */ | |
667 | /*&& op_code <= DW_LNE_hi_user*/) | |
668 | printf (_("user defined: ")); | |
669 | else | |
670 | printf (_("UNKNOWN: ")); | |
671 | printf (_("length %d ["), rlen); | |
672 | for (; rlen; rlen--) | |
673 | printf (" %02x", *data++); | |
674 | printf ("]\n"); | |
7e665af3 | 675 | } |
19e6b90e L |
676 | break; |
677 | } | |
678 | ||
679 | return len; | |
680 | } | |
681 | ||
0c588247 | 682 | static const unsigned char * |
467c65bc | 683 | fetch_indirect_string (dwarf_vma offset) |
19e6b90e L |
684 | { |
685 | struct dwarf_section *section = &debug_displays [str].section; | |
d949ff56 | 686 | const unsigned char * ret; |
19e6b90e L |
687 | |
688 | if (section->start == NULL) | |
0c588247 | 689 | return (const unsigned char *) _("<no .debug_str section>"); |
19e6b90e | 690 | |
d949ff56 | 691 | if (offset >= section->size) |
19e6b90e | 692 | { |
467c65bc NC |
693 | warn (_("DW_FORM_strp offset too big: %s\n"), |
694 | dwarf_vmatoa ("x", offset)); | |
0c588247 | 695 | return (const unsigned char *) _("<offset is too big>"); |
19e6b90e L |
696 | } |
697 | ||
d949ff56 NC |
698 | ret = section->start + offset; |
699 | /* Unfortunately we cannot rely upon the .debug_str section ending with a | |
700 | NUL byte. Since our caller is expecting to receive a well formed C | |
701 | string we test for the lack of a terminating byte here. */ | |
702 | if (strnlen ((const char *) ret, section->size - offset) | |
703 | == section->size - offset) | |
704 | ret = (const unsigned char *) | |
705 | _("<no NUL byte at end of .debug_str section>"); | |
706 | ||
707 | return ret; | |
19e6b90e L |
708 | } |
709 | ||
77145576 JK |
710 | static const unsigned char * |
711 | fetch_indirect_line_string (dwarf_vma offset) | |
712 | { | |
713 | struct dwarf_section *section = &debug_displays [line_str].section; | |
d949ff56 | 714 | const unsigned char * ret; |
77145576 JK |
715 | |
716 | if (section->start == NULL) | |
717 | return (const unsigned char *) _("<no .debug_line_str section>"); | |
718 | ||
d949ff56 | 719 | if (offset >= section->size) |
77145576 JK |
720 | { |
721 | warn (_("DW_FORM_line_strp offset too big: %s\n"), | |
722 | dwarf_vmatoa ("x", offset)); | |
723 | return (const unsigned char *) _("<offset is too big>"); | |
724 | } | |
725 | ||
d949ff56 NC |
726 | ret = section->start + offset; |
727 | /* Unfortunately we cannot rely upon the .debug_line_str section ending | |
728 | with a NUL byte. Since our caller is expecting to receive a well formed | |
729 | C string we test for the lack of a terminating byte here. */ | |
730 | if (strnlen ((const char *) ret, section->size - offset) | |
731 | == section->size - offset) | |
732 | ret = (const unsigned char *) | |
733 | _("<no NUL byte at end of .debug_line_str section>"); | |
734 | ||
735 | return ret; | |
77145576 JK |
736 | } |
737 | ||
4723351a | 738 | static const char * |
341f9135 | 739 | fetch_indexed_string (dwarf_vma idx, struct cu_tu_set *this_set, |
d85bf2ba | 740 | dwarf_vma offset_size, bfd_boolean dwo) |
4723351a CC |
741 | { |
742 | enum dwarf_section_display_enum str_sec_idx = dwo ? str_dwo : str; | |
743 | enum dwarf_section_display_enum idx_sec_idx = dwo ? str_index_dwo : str_index; | |
744 | struct dwarf_section *index_section = &debug_displays [idx_sec_idx].section; | |
745 | struct dwarf_section *str_section = &debug_displays [str_sec_idx].section; | |
746 | dwarf_vma index_offset = idx * offset_size; | |
747 | dwarf_vma str_offset; | |
d949ff56 | 748 | const char * ret; |
4723351a CC |
749 | |
750 | if (index_section->start == NULL) | |
751 | return (dwo ? _("<no .debug_str_offsets.dwo section>") | |
752 | : _("<no .debug_str_offsets section>")); | |
753 | ||
341f9135 CC |
754 | if (this_set != NULL) |
755 | index_offset += this_set->section_offsets [DW_SECT_STR_OFFSETS]; | |
d949ff56 | 756 | if (index_offset >= index_section->size) |
4723351a CC |
757 | { |
758 | warn (_("DW_FORM_GNU_str_index offset too big: %s\n"), | |
759 | dwarf_vmatoa ("x", index_offset)); | |
760 | return _("<index offset is too big>"); | |
761 | } | |
762 | ||
763 | if (str_section->start == NULL) | |
764 | return (dwo ? _("<no .debug_str.dwo section>") | |
765 | : _("<no .debug_str section>")); | |
766 | ||
767 | str_offset = byte_get (index_section->start + index_offset, offset_size); | |
768 | str_offset -= str_section->address; | |
d949ff56 | 769 | if (str_offset >= str_section->size) |
4723351a CC |
770 | { |
771 | warn (_("DW_FORM_GNU_str_index indirect offset too big: %s\n"), | |
772 | dwarf_vmatoa ("x", str_offset)); | |
773 | return _("<indirect index offset is too big>"); | |
774 | } | |
775 | ||
d949ff56 NC |
776 | ret = (const char *) str_section->start + str_offset; |
777 | /* Unfortunately we cannot rely upon str_section ending with a NUL byte. | |
778 | Since our caller is expecting to receive a well formed C string we test | |
779 | for the lack of a terminating byte here. */ | |
780 | if (strnlen (ret, str_section->size - str_offset) | |
781 | == str_section->size - str_offset) | |
782 | ret = (const char *) _("<no NUL byte at end of section>"); | |
783 | ||
784 | return ret; | |
4723351a CC |
785 | } |
786 | ||
787 | static const char * | |
788 | fetch_indexed_value (dwarf_vma offset, dwarf_vma bytes) | |
789 | { | |
790 | struct dwarf_section *section = &debug_displays [debug_addr].section; | |
791 | ||
792 | if (section->start == NULL) | |
793 | return (_("<no .debug_addr section>")); | |
794 | ||
795 | if (offset + bytes > section->size) | |
796 | { | |
797 | warn (_("Offset into section %s too big: %s\n"), | |
b4eb7656 | 798 | section->name, dwarf_vmatoa ("x", offset)); |
4723351a CC |
799 | return "<offset too big>"; |
800 | } | |
801 | ||
802 | return dwarf_vmatoa ("x", byte_get (section->start + offset, bytes)); | |
803 | } | |
804 | ||
805 | ||
19e6b90e L |
806 | /* FIXME: There are better and more efficient ways to handle |
807 | these structures. For now though, I just want something that | |
808 | is simple to implement. */ | |
809 | typedef struct abbrev_attr | |
810 | { | |
811 | unsigned long attribute; | |
812 | unsigned long form; | |
77145576 | 813 | bfd_signed_vma implicit_const; |
19e6b90e L |
814 | struct abbrev_attr *next; |
815 | } | |
816 | abbrev_attr; | |
817 | ||
818 | typedef struct abbrev_entry | |
819 | { | |
820 | unsigned long entry; | |
821 | unsigned long tag; | |
822 | int children; | |
823 | struct abbrev_attr *first_attr; | |
824 | struct abbrev_attr *last_attr; | |
825 | struct abbrev_entry *next; | |
826 | } | |
827 | abbrev_entry; | |
828 | ||
829 | static abbrev_entry *first_abbrev = NULL; | |
830 | static abbrev_entry *last_abbrev = NULL; | |
831 | ||
832 | static void | |
833 | free_abbrevs (void) | |
834 | { | |
91d6fa6a | 835 | abbrev_entry *abbrv; |
19e6b90e | 836 | |
91d6fa6a | 837 | for (abbrv = first_abbrev; abbrv;) |
19e6b90e | 838 | { |
91d6fa6a | 839 | abbrev_entry *next_abbrev = abbrv->next; |
19e6b90e L |
840 | abbrev_attr *attr; |
841 | ||
91d6fa6a | 842 | for (attr = abbrv->first_attr; attr;) |
19e6b90e | 843 | { |
91d6fa6a | 844 | abbrev_attr *next_attr = attr->next; |
19e6b90e L |
845 | |
846 | free (attr); | |
91d6fa6a | 847 | attr = next_attr; |
19e6b90e L |
848 | } |
849 | ||
91d6fa6a NC |
850 | free (abbrv); |
851 | abbrv = next_abbrev; | |
19e6b90e L |
852 | } |
853 | ||
854 | last_abbrev = first_abbrev = NULL; | |
855 | } | |
856 | ||
857 | static void | |
858 | add_abbrev (unsigned long number, unsigned long tag, int children) | |
859 | { | |
860 | abbrev_entry *entry; | |
861 | ||
3f5e193b | 862 | entry = (abbrev_entry *) malloc (sizeof (*entry)); |
19e6b90e L |
863 | if (entry == NULL) |
864 | /* ugg */ | |
865 | return; | |
866 | ||
867 | entry->entry = number; | |
868 | entry->tag = tag; | |
869 | entry->children = children; | |
870 | entry->first_attr = NULL; | |
871 | entry->last_attr = NULL; | |
872 | entry->next = NULL; | |
873 | ||
874 | if (first_abbrev == NULL) | |
875 | first_abbrev = entry; | |
876 | else | |
877 | last_abbrev->next = entry; | |
878 | ||
879 | last_abbrev = entry; | |
880 | } | |
881 | ||
882 | static void | |
77145576 JK |
883 | add_abbrev_attr (unsigned long attribute, unsigned long form, |
884 | bfd_signed_vma implicit_const) | |
19e6b90e L |
885 | { |
886 | abbrev_attr *attr; | |
887 | ||
3f5e193b | 888 | attr = (abbrev_attr *) malloc (sizeof (*attr)); |
19e6b90e L |
889 | if (attr == NULL) |
890 | /* ugg */ | |
891 | return; | |
892 | ||
893 | attr->attribute = attribute; | |
894 | attr->form = form; | |
77145576 | 895 | attr->implicit_const = implicit_const; |
19e6b90e L |
896 | attr->next = NULL; |
897 | ||
898 | if (last_abbrev->first_attr == NULL) | |
899 | last_abbrev->first_attr = attr; | |
900 | else | |
901 | last_abbrev->last_attr->next = attr; | |
902 | ||
903 | last_abbrev->last_attr = attr; | |
904 | } | |
905 | ||
906 | /* Processes the (partial) contents of a .debug_abbrev section. | |
907 | Returns NULL if the end of the section was encountered. | |
908 | Returns the address after the last byte read if the end of | |
909 | an abbreviation set was found. */ | |
910 | ||
911 | static unsigned char * | |
912 | process_abbrev_section (unsigned char *start, unsigned char *end) | |
913 | { | |
914 | if (first_abbrev != NULL) | |
915 | return NULL; | |
916 | ||
917 | while (start < end) | |
918 | { | |
919 | unsigned int bytes_read; | |
920 | unsigned long entry; | |
921 | unsigned long tag; | |
922 | unsigned long attribute; | |
923 | int children; | |
924 | ||
f6f0e17b | 925 | entry = read_uleb128 (start, & bytes_read, end); |
19e6b90e L |
926 | start += bytes_read; |
927 | ||
928 | /* A single zero is supposed to end the section according | |
929 | to the standard. If there's more, then signal that to | |
930 | the caller. */ | |
f6f0e17b NC |
931 | if (start == end) |
932 | return NULL; | |
19e6b90e | 933 | if (entry == 0) |
f6f0e17b | 934 | return start; |
19e6b90e | 935 | |
f6f0e17b | 936 | tag = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 937 | start += bytes_read; |
f6f0e17b NC |
938 | if (start == end) |
939 | return NULL; | |
19e6b90e L |
940 | |
941 | children = *start++; | |
942 | ||
943 | add_abbrev (entry, tag, children); | |
944 | ||
945 | do | |
946 | { | |
947 | unsigned long form; | |
77145576 JK |
948 | /* Initialize it due to a false compiler warning. */ |
949 | bfd_signed_vma implicit_const = -1; | |
19e6b90e | 950 | |
f6f0e17b | 951 | attribute = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 952 | start += bytes_read; |
f6f0e17b NC |
953 | if (start == end) |
954 | break; | |
19e6b90e | 955 | |
f6f0e17b | 956 | form = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 957 | start += bytes_read; |
f6f0e17b NC |
958 | if (start == end) |
959 | break; | |
19e6b90e | 960 | |
77145576 JK |
961 | if (form == DW_FORM_implicit_const) |
962 | { | |
963 | implicit_const = read_sleb128 (start, & bytes_read, end); | |
964 | start += bytes_read; | |
965 | if (start == end) | |
966 | break; | |
967 | } | |
968 | ||
969 | add_abbrev_attr (attribute, form, implicit_const); | |
19e6b90e L |
970 | } |
971 | while (attribute != 0); | |
972 | } | |
973 | ||
399c99f7 L |
974 | /* Report the missing single zero which ends the section. */ |
975 | error (_(".debug_abbrev section not zero terminated\n")); | |
976 | ||
19e6b90e L |
977 | return NULL; |
978 | } | |
979 | ||
a19c41a7 | 980 | static const char * |
19e6b90e L |
981 | get_TAG_name (unsigned long tag) |
982 | { | |
04914e37 | 983 | const char *name = get_DW_TAG_name ((unsigned int) tag); |
a19c41a7 TT |
984 | |
985 | if (name == NULL) | |
19e6b90e | 986 | { |
a19c41a7 | 987 | static char buffer[100]; |
19e6b90e | 988 | |
04914e37 NC |
989 | if (tag >= DW_TAG_lo_user && tag <= DW_TAG_hi_user) |
990 | snprintf (buffer, sizeof (buffer), _("User TAG value: %#lx"), tag); | |
991 | else | |
992 | snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %#lx"), tag); | |
a19c41a7 | 993 | return buffer; |
19e6b90e | 994 | } |
a19c41a7 TT |
995 | |
996 | return name; | |
19e6b90e L |
997 | } |
998 | ||
a19c41a7 | 999 | static const char * |
19e6b90e L |
1000 | get_FORM_name (unsigned long form) |
1001 | { | |
399c99f7 | 1002 | const char *name; |
bf5117e3 | 1003 | |
399c99f7 L |
1004 | if (form == 0) |
1005 | return "DW_FORM value: 0"; | |
a19c41a7 | 1006 | |
399c99f7 | 1007 | name = get_DW_FORM_name (form); |
a19c41a7 | 1008 | if (name == NULL) |
19e6b90e | 1009 | { |
a19c41a7 | 1010 | static char buffer[100]; |
19e6b90e | 1011 | |
a19c41a7 TT |
1012 | snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form); |
1013 | return buffer; | |
19e6b90e | 1014 | } |
a19c41a7 TT |
1015 | |
1016 | return name; | |
19e6b90e L |
1017 | } |
1018 | ||
61364358 JK |
1019 | static const char * |
1020 | get_IDX_name (unsigned long idx) | |
1021 | { | |
1022 | const char *name = get_DW_IDX_name ((unsigned int) idx); | |
1023 | ||
1024 | if (name == NULL) | |
1025 | { | |
1026 | static char buffer[100]; | |
1027 | ||
1028 | snprintf (buffer, sizeof (buffer), _("Unknown IDX value: %lx"), idx); | |
1029 | return buffer; | |
1030 | } | |
1031 | ||
1032 | return name; | |
1033 | } | |
1034 | ||
19e6b90e | 1035 | static unsigned char * |
0c588247 NC |
1036 | display_block (unsigned char *data, |
1037 | dwarf_vma length, | |
ef0b5f1c | 1038 | const unsigned char * const end, char delimiter) |
19e6b90e | 1039 | { |
0c588247 NC |
1040 | dwarf_vma maxlen; |
1041 | ||
ef0b5f1c | 1042 | printf (_("%c%s byte block: "), delimiter, dwarf_vmatoa ("u", length)); |
a1165289 NC |
1043 | if (data > end) |
1044 | return (unsigned char *) end; | |
19e6b90e | 1045 | |
0c588247 NC |
1046 | maxlen = (dwarf_vma) (end - data); |
1047 | length = length > maxlen ? maxlen : length; | |
1048 | ||
19e6b90e L |
1049 | while (length --) |
1050 | printf ("%lx ", (unsigned long) byte_get (data++, 1)); | |
1051 | ||
1052 | return data; | |
1053 | } | |
1054 | ||
1055 | static int | |
1056 | decode_location_expression (unsigned char * data, | |
1057 | unsigned int pointer_size, | |
b7807392 JJ |
1058 | unsigned int offset_size, |
1059 | int dwarf_version, | |
467c65bc NC |
1060 | dwarf_vma length, |
1061 | dwarf_vma cu_offset, | |
f1c4cc75 | 1062 | struct dwarf_section * section) |
19e6b90e L |
1063 | { |
1064 | unsigned op; | |
1065 | unsigned int bytes_read; | |
467c65bc | 1066 | dwarf_vma uvalue; |
0c588247 | 1067 | dwarf_signed_vma svalue; |
19e6b90e L |
1068 | unsigned char *end = data + length; |
1069 | int need_frame_base = 0; | |
1070 | ||
1071 | while (data < end) | |
1072 | { | |
1073 | op = *data++; | |
1074 | ||
1075 | switch (op) | |
1076 | { | |
1077 | case DW_OP_addr: | |
0c588247 NC |
1078 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
1079 | printf ("DW_OP_addr: %s", dwarf_vmatoa ("x", uvalue)); | |
19e6b90e L |
1080 | break; |
1081 | case DW_OP_deref: | |
1082 | printf ("DW_OP_deref"); | |
1083 | break; | |
1084 | case DW_OP_const1u: | |
0c588247 NC |
1085 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1086 | printf ("DW_OP_const1u: %lu", (unsigned long) uvalue); | |
19e6b90e L |
1087 | break; |
1088 | case DW_OP_const1s: | |
0c588247 NC |
1089 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 1, end); |
1090 | printf ("DW_OP_const1s: %ld", (long) svalue); | |
19e6b90e L |
1091 | break; |
1092 | case DW_OP_const2u: | |
87bc83b3 | 1093 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
0c588247 | 1094 | printf ("DW_OP_const2u: %lu", (unsigned long) uvalue); |
19e6b90e L |
1095 | break; |
1096 | case DW_OP_const2s: | |
0c588247 NC |
1097 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1098 | printf ("DW_OP_const2s: %ld", (long) svalue); | |
19e6b90e L |
1099 | break; |
1100 | case DW_OP_const4u: | |
0c588247 NC |
1101 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
1102 | printf ("DW_OP_const4u: %lu", (unsigned long) uvalue); | |
19e6b90e L |
1103 | break; |
1104 | case DW_OP_const4s: | |
0c588247 NC |
1105 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
1106 | printf ("DW_OP_const4s: %ld", (long) svalue); | |
19e6b90e L |
1107 | break; |
1108 | case DW_OP_const8u: | |
0c588247 NC |
1109 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
1110 | printf ("DW_OP_const8u: %lu ", (unsigned long) uvalue); | |
1111 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); | |
1112 | printf ("%lu", (unsigned long) uvalue); | |
19e6b90e L |
1113 | break; |
1114 | case DW_OP_const8s: | |
0c588247 NC |
1115 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
1116 | printf ("DW_OP_const8s: %ld ", (long) svalue); | |
1117 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); | |
1118 | printf ("%ld", (long) svalue); | |
19e6b90e L |
1119 | break; |
1120 | case DW_OP_constu: | |
467c65bc | 1121 | printf ("DW_OP_constu: %s", |
f6f0e17b | 1122 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
1123 | data += bytes_read; |
1124 | break; | |
1125 | case DW_OP_consts: | |
467c65bc | 1126 | printf ("DW_OP_consts: %s", |
f6f0e17b | 1127 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1128 | data += bytes_read; |
1129 | break; | |
1130 | case DW_OP_dup: | |
1131 | printf ("DW_OP_dup"); | |
1132 | break; | |
1133 | case DW_OP_drop: | |
1134 | printf ("DW_OP_drop"); | |
1135 | break; | |
1136 | case DW_OP_over: | |
1137 | printf ("DW_OP_over"); | |
1138 | break; | |
1139 | case DW_OP_pick: | |
0c588247 NC |
1140 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1141 | printf ("DW_OP_pick: %ld", (unsigned long) uvalue); | |
19e6b90e L |
1142 | break; |
1143 | case DW_OP_swap: | |
1144 | printf ("DW_OP_swap"); | |
1145 | break; | |
1146 | case DW_OP_rot: | |
1147 | printf ("DW_OP_rot"); | |
1148 | break; | |
1149 | case DW_OP_xderef: | |
1150 | printf ("DW_OP_xderef"); | |
1151 | break; | |
1152 | case DW_OP_abs: | |
1153 | printf ("DW_OP_abs"); | |
1154 | break; | |
1155 | case DW_OP_and: | |
1156 | printf ("DW_OP_and"); | |
1157 | break; | |
1158 | case DW_OP_div: | |
1159 | printf ("DW_OP_div"); | |
1160 | break; | |
1161 | case DW_OP_minus: | |
1162 | printf ("DW_OP_minus"); | |
1163 | break; | |
1164 | case DW_OP_mod: | |
1165 | printf ("DW_OP_mod"); | |
1166 | break; | |
1167 | case DW_OP_mul: | |
1168 | printf ("DW_OP_mul"); | |
1169 | break; | |
1170 | case DW_OP_neg: | |
1171 | printf ("DW_OP_neg"); | |
1172 | break; | |
1173 | case DW_OP_not: | |
1174 | printf ("DW_OP_not"); | |
1175 | break; | |
1176 | case DW_OP_or: | |
1177 | printf ("DW_OP_or"); | |
1178 | break; | |
1179 | case DW_OP_plus: | |
1180 | printf ("DW_OP_plus"); | |
1181 | break; | |
1182 | case DW_OP_plus_uconst: | |
467c65bc | 1183 | printf ("DW_OP_plus_uconst: %s", |
f6f0e17b | 1184 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
1185 | data += bytes_read; |
1186 | break; | |
1187 | case DW_OP_shl: | |
1188 | printf ("DW_OP_shl"); | |
1189 | break; | |
1190 | case DW_OP_shr: | |
1191 | printf ("DW_OP_shr"); | |
1192 | break; | |
1193 | case DW_OP_shra: | |
1194 | printf ("DW_OP_shra"); | |
1195 | break; | |
1196 | case DW_OP_xor: | |
1197 | printf ("DW_OP_xor"); | |
1198 | break; | |
1199 | case DW_OP_bra: | |
0c588247 NC |
1200 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1201 | printf ("DW_OP_bra: %ld", (long) svalue); | |
19e6b90e L |
1202 | break; |
1203 | case DW_OP_eq: | |
1204 | printf ("DW_OP_eq"); | |
1205 | break; | |
1206 | case DW_OP_ge: | |
1207 | printf ("DW_OP_ge"); | |
1208 | break; | |
1209 | case DW_OP_gt: | |
1210 | printf ("DW_OP_gt"); | |
1211 | break; | |
1212 | case DW_OP_le: | |
1213 | printf ("DW_OP_le"); | |
1214 | break; | |
1215 | case DW_OP_lt: | |
1216 | printf ("DW_OP_lt"); | |
1217 | break; | |
1218 | case DW_OP_ne: | |
1219 | printf ("DW_OP_ne"); | |
1220 | break; | |
1221 | case DW_OP_skip: | |
0c588247 NC |
1222 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1223 | printf ("DW_OP_skip: %ld", (long) svalue); | |
19e6b90e L |
1224 | break; |
1225 | ||
1226 | case DW_OP_lit0: | |
1227 | case DW_OP_lit1: | |
1228 | case DW_OP_lit2: | |
1229 | case DW_OP_lit3: | |
1230 | case DW_OP_lit4: | |
1231 | case DW_OP_lit5: | |
1232 | case DW_OP_lit6: | |
1233 | case DW_OP_lit7: | |
1234 | case DW_OP_lit8: | |
1235 | case DW_OP_lit9: | |
1236 | case DW_OP_lit10: | |
1237 | case DW_OP_lit11: | |
1238 | case DW_OP_lit12: | |
1239 | case DW_OP_lit13: | |
1240 | case DW_OP_lit14: | |
1241 | case DW_OP_lit15: | |
1242 | case DW_OP_lit16: | |
1243 | case DW_OP_lit17: | |
1244 | case DW_OP_lit18: | |
1245 | case DW_OP_lit19: | |
1246 | case DW_OP_lit20: | |
1247 | case DW_OP_lit21: | |
1248 | case DW_OP_lit22: | |
1249 | case DW_OP_lit23: | |
1250 | case DW_OP_lit24: | |
1251 | case DW_OP_lit25: | |
1252 | case DW_OP_lit26: | |
1253 | case DW_OP_lit27: | |
1254 | case DW_OP_lit28: | |
1255 | case DW_OP_lit29: | |
1256 | case DW_OP_lit30: | |
1257 | case DW_OP_lit31: | |
1258 | printf ("DW_OP_lit%d", op - DW_OP_lit0); | |
1259 | break; | |
1260 | ||
1261 | case DW_OP_reg0: | |
1262 | case DW_OP_reg1: | |
1263 | case DW_OP_reg2: | |
1264 | case DW_OP_reg3: | |
1265 | case DW_OP_reg4: | |
1266 | case DW_OP_reg5: | |
1267 | case DW_OP_reg6: | |
1268 | case DW_OP_reg7: | |
1269 | case DW_OP_reg8: | |
1270 | case DW_OP_reg9: | |
1271 | case DW_OP_reg10: | |
1272 | case DW_OP_reg11: | |
1273 | case DW_OP_reg12: | |
1274 | case DW_OP_reg13: | |
1275 | case DW_OP_reg14: | |
1276 | case DW_OP_reg15: | |
1277 | case DW_OP_reg16: | |
1278 | case DW_OP_reg17: | |
1279 | case DW_OP_reg18: | |
1280 | case DW_OP_reg19: | |
1281 | case DW_OP_reg20: | |
1282 | case DW_OP_reg21: | |
1283 | case DW_OP_reg22: | |
1284 | case DW_OP_reg23: | |
1285 | case DW_OP_reg24: | |
1286 | case DW_OP_reg25: | |
1287 | case DW_OP_reg26: | |
1288 | case DW_OP_reg27: | |
1289 | case DW_OP_reg28: | |
1290 | case DW_OP_reg29: | |
1291 | case DW_OP_reg30: | |
1292 | case DW_OP_reg31: | |
18464d4d JK |
1293 | printf ("DW_OP_reg%d (%s)", op - DW_OP_reg0, |
1294 | regname (op - DW_OP_reg0, 1)); | |
19e6b90e L |
1295 | break; |
1296 | ||
1297 | case DW_OP_breg0: | |
1298 | case DW_OP_breg1: | |
1299 | case DW_OP_breg2: | |
1300 | case DW_OP_breg3: | |
1301 | case DW_OP_breg4: | |
1302 | case DW_OP_breg5: | |
1303 | case DW_OP_breg6: | |
1304 | case DW_OP_breg7: | |
1305 | case DW_OP_breg8: | |
1306 | case DW_OP_breg9: | |
1307 | case DW_OP_breg10: | |
1308 | case DW_OP_breg11: | |
1309 | case DW_OP_breg12: | |
1310 | case DW_OP_breg13: | |
1311 | case DW_OP_breg14: | |
1312 | case DW_OP_breg15: | |
1313 | case DW_OP_breg16: | |
1314 | case DW_OP_breg17: | |
1315 | case DW_OP_breg18: | |
1316 | case DW_OP_breg19: | |
1317 | case DW_OP_breg20: | |
1318 | case DW_OP_breg21: | |
1319 | case DW_OP_breg22: | |
1320 | case DW_OP_breg23: | |
1321 | case DW_OP_breg24: | |
1322 | case DW_OP_breg25: | |
1323 | case DW_OP_breg26: | |
1324 | case DW_OP_breg27: | |
1325 | case DW_OP_breg28: | |
1326 | case DW_OP_breg29: | |
1327 | case DW_OP_breg30: | |
1328 | case DW_OP_breg31: | |
467c65bc | 1329 | printf ("DW_OP_breg%d (%s): %s", |
47704ddf | 1330 | op - DW_OP_breg0, |
18464d4d | 1331 | regname (op - DW_OP_breg0, 1), |
f6f0e17b | 1332 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1333 | data += bytes_read; |
1334 | break; | |
1335 | ||
1336 | case DW_OP_regx: | |
f6f0e17b | 1337 | uvalue = read_uleb128 (data, &bytes_read, end); |
19e6b90e | 1338 | data += bytes_read; |
467c65bc NC |
1339 | printf ("DW_OP_regx: %s (%s)", |
1340 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); | |
19e6b90e L |
1341 | break; |
1342 | case DW_OP_fbreg: | |
1343 | need_frame_base = 1; | |
467c65bc | 1344 | printf ("DW_OP_fbreg: %s", |
f6f0e17b | 1345 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1346 | data += bytes_read; |
1347 | break; | |
1348 | case DW_OP_bregx: | |
f6f0e17b | 1349 | uvalue = read_uleb128 (data, &bytes_read, end); |
19e6b90e | 1350 | data += bytes_read; |
467c65bc NC |
1351 | printf ("DW_OP_bregx: %s (%s) %s", |
1352 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1), | |
f6f0e17b | 1353 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1354 | data += bytes_read; |
1355 | break; | |
1356 | case DW_OP_piece: | |
467c65bc | 1357 | printf ("DW_OP_piece: %s", |
f6f0e17b | 1358 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
1359 | data += bytes_read; |
1360 | break; | |
1361 | case DW_OP_deref_size: | |
0c588247 NC |
1362 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1363 | printf ("DW_OP_deref_size: %ld", (long) uvalue); | |
19e6b90e L |
1364 | break; |
1365 | case DW_OP_xderef_size: | |
0c588247 NC |
1366 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1367 | printf ("DW_OP_xderef_size: %ld", (long) uvalue); | |
19e6b90e L |
1368 | break; |
1369 | case DW_OP_nop: | |
1370 | printf ("DW_OP_nop"); | |
1371 | break; | |
1372 | ||
1373 | /* DWARF 3 extensions. */ | |
1374 | case DW_OP_push_object_address: | |
1375 | printf ("DW_OP_push_object_address"); | |
1376 | break; | |
1377 | case DW_OP_call2: | |
d85bf2ba | 1378 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
19e6b90e | 1379 | this ought to be an 8-byte wide computation. */ |
0c588247 | 1380 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
467c65bc | 1381 | printf ("DW_OP_call2: <0x%s>", |
0c588247 | 1382 | dwarf_vmatoa ("x", svalue + cu_offset)); |
19e6b90e L |
1383 | break; |
1384 | case DW_OP_call4: | |
d85bf2ba | 1385 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
19e6b90e | 1386 | this ought to be an 8-byte wide computation. */ |
0c588247 | 1387 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
467c65bc | 1388 | printf ("DW_OP_call4: <0x%s>", |
0c588247 | 1389 | dwarf_vmatoa ("x", svalue + cu_offset)); |
19e6b90e L |
1390 | break; |
1391 | case DW_OP_call_ref: | |
d85bf2ba | 1392 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
e2a0d921 | 1393 | this ought to be an 8-byte wide computation. */ |
b7807392 JJ |
1394 | if (dwarf_version == -1) |
1395 | { | |
1396 | printf (_("(DW_OP_call_ref in frame info)")); | |
1397 | /* No way to tell where the next op is, so just bail. */ | |
1398 | return need_frame_base; | |
1399 | } | |
1400 | if (dwarf_version == 2) | |
1401 | { | |
0c588247 | 1402 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
b7807392 JJ |
1403 | } |
1404 | else | |
1405 | { | |
0c588247 | 1406 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
b7807392 | 1407 | } |
0c588247 | 1408 | printf ("DW_OP_call_ref: <0x%s>", dwarf_vmatoa ("x", uvalue)); |
19e6b90e | 1409 | break; |
a87b0a59 NS |
1410 | case DW_OP_form_tls_address: |
1411 | printf ("DW_OP_form_tls_address"); | |
1412 | break; | |
e2a0d921 NC |
1413 | case DW_OP_call_frame_cfa: |
1414 | printf ("DW_OP_call_frame_cfa"); | |
1415 | break; | |
1416 | case DW_OP_bit_piece: | |
1417 | printf ("DW_OP_bit_piece: "); | |
9cf03b7e | 1418 | printf (_("size: %s "), |
f6f0e17b | 1419 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
e2a0d921 | 1420 | data += bytes_read; |
9cf03b7e | 1421 | printf (_("offset: %s "), |
f6f0e17b | 1422 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
e2a0d921 NC |
1423 | data += bytes_read; |
1424 | break; | |
19e6b90e | 1425 | |
3244e8f5 JJ |
1426 | /* DWARF 4 extensions. */ |
1427 | case DW_OP_stack_value: | |
1428 | printf ("DW_OP_stack_value"); | |
1429 | break; | |
1430 | ||
1431 | case DW_OP_implicit_value: | |
1432 | printf ("DW_OP_implicit_value"); | |
f6f0e17b | 1433 | uvalue = read_uleb128 (data, &bytes_read, end); |
3244e8f5 | 1434 | data += bytes_read; |
ef0b5f1c | 1435 | data = display_block (data, uvalue, end, ' '); |
3244e8f5 JJ |
1436 | break; |
1437 | ||
19e6b90e L |
1438 | /* GNU extensions. */ |
1439 | case DW_OP_GNU_push_tls_address: | |
9cf03b7e | 1440 | printf (_("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown")); |
e2a0d921 NC |
1441 | break; |
1442 | case DW_OP_GNU_uninit: | |
1443 | printf ("DW_OP_GNU_uninit"); | |
1444 | /* FIXME: Is there data associated with this OP ? */ | |
1445 | break; | |
f1c4cc75 RH |
1446 | case DW_OP_GNU_encoded_addr: |
1447 | { | |
6937bb54 | 1448 | int encoding = 0; |
f1c4cc75 | 1449 | dwarf_vma addr; |
467c65bc | 1450 | |
6937bb54 NC |
1451 | if (data < end) |
1452 | encoding = *data++; | |
041830e0 | 1453 | addr = get_encoded_value (&data, encoding, section, end); |
f1c4cc75 RH |
1454 | |
1455 | printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding); | |
1456 | print_dwarf_vma (addr, pointer_size); | |
1457 | } | |
1458 | break; | |
bc0a77d2 | 1459 | case DW_OP_implicit_pointer: |
b7807392 | 1460 | case DW_OP_GNU_implicit_pointer: |
d85bf2ba | 1461 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
b7807392 JJ |
1462 | this ought to be an 8-byte wide computation. */ |
1463 | if (dwarf_version == -1) | |
1464 | { | |
bc0a77d2 JK |
1465 | printf (_("(%s in frame info)"), |
1466 | (op == DW_OP_implicit_pointer | |
1467 | ? "DW_OP_implicit_pointer" | |
1468 | : "DW_OP_GNU_implicit_pointer")); | |
b7807392 JJ |
1469 | /* No way to tell where the next op is, so just bail. */ |
1470 | return need_frame_base; | |
1471 | } | |
1472 | if (dwarf_version == 2) | |
1473 | { | |
0c588247 | 1474 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
b7807392 JJ |
1475 | } |
1476 | else | |
1477 | { | |
0c588247 | 1478 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
b7807392 | 1479 | } |
bc0a77d2 JK |
1480 | printf ("%s: <0x%s> %s", |
1481 | (op == DW_OP_implicit_pointer | |
1482 | ? "DW_OP_implicit_pointer" : "DW_OP_GNU_implicit_pointer"), | |
0c588247 NC |
1483 | dwarf_vmatoa ("x", uvalue), |
1484 | dwarf_vmatoa ("d", read_sleb128 (data, | |
1485 | &bytes_read, end))); | |
1486 | data += bytes_read; | |
b7807392 | 1487 | break; |
77145576 | 1488 | case DW_OP_entry_value: |
0892011d | 1489 | case DW_OP_GNU_entry_value: |
f6f0e17b | 1490 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1491 | data += bytes_read; |
058037d3 NC |
1492 | /* PR 17531: file: 0cc9cd00. */ |
1493 | if (uvalue > (dwarf_vma) (end - data)) | |
1494 | uvalue = end - data; | |
77145576 JK |
1495 | printf ("%s: (", (op == DW_OP_entry_value ? "DW_OP_entry_value" |
1496 | : "DW_OP_GNU_entry_value")); | |
0892011d JJ |
1497 | if (decode_location_expression (data, pointer_size, offset_size, |
1498 | dwarf_version, uvalue, | |
1499 | cu_offset, section)) | |
1500 | need_frame_base = 1; | |
1501 | putchar (')'); | |
1502 | data += uvalue; | |
6937bb54 NC |
1503 | if (data > end) |
1504 | data = end; | |
0892011d | 1505 | break; |
bc0a77d2 | 1506 | case DW_OP_const_type: |
0892011d | 1507 | case DW_OP_GNU_const_type: |
f6f0e17b | 1508 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1509 | data += bytes_read; |
bc0a77d2 JK |
1510 | printf ("%s: <0x%s> ", |
1511 | (op == DW_OP_const_type ? "DW_OP_const_type" | |
1512 | : "DW_OP_GNU_const_type"), | |
0892011d | 1513 | dwarf_vmatoa ("x", cu_offset + uvalue)); |
0c588247 | 1514 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
ef0b5f1c | 1515 | data = display_block (data, uvalue, end, ' '); |
0892011d | 1516 | break; |
bc0a77d2 | 1517 | case DW_OP_regval_type: |
0892011d | 1518 | case DW_OP_GNU_regval_type: |
f6f0e17b | 1519 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1520 | data += bytes_read; |
bc0a77d2 JK |
1521 | printf ("%s: %s (%s)", |
1522 | (op == DW_OP_regval_type ? "DW_OP_regval_type" | |
1523 | : "DW_OP_GNU_regval_type"), | |
0892011d | 1524 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); |
f6f0e17b | 1525 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1526 | data += bytes_read; |
1527 | printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); | |
1528 | break; | |
bc0a77d2 | 1529 | case DW_OP_deref_type: |
0892011d | 1530 | case DW_OP_GNU_deref_type: |
0c588247 | 1531 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
bc0a77d2 JK |
1532 | printf ("%s: %ld", |
1533 | (op == DW_OP_deref_type ? "DW_OP_deref_type" | |
1534 | : "DW_OP_GNU_deref_type"), | |
1535 | (long) uvalue); | |
f6f0e17b | 1536 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1537 | data += bytes_read; |
1538 | printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); | |
1539 | break; | |
bc0a77d2 | 1540 | case DW_OP_convert: |
0892011d | 1541 | case DW_OP_GNU_convert: |
f6f0e17b | 1542 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1543 | data += bytes_read; |
bc0a77d2 JK |
1544 | printf ("%s <0x%s>", |
1545 | (op == DW_OP_convert ? "DW_OP_convert" : "DW_OP_GNU_convert"), | |
f8b999f9 | 1546 | dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0)); |
0892011d | 1547 | break; |
bc0a77d2 | 1548 | case DW_OP_reinterpret: |
0892011d | 1549 | case DW_OP_GNU_reinterpret: |
f6f0e17b | 1550 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1551 | data += bytes_read; |
bc0a77d2 JK |
1552 | printf ("%s <0x%s>", |
1553 | (op == DW_OP_reinterpret ? "DW_OP_reinterpret" | |
1554 | : "DW_OP_GNU_reinterpret"), | |
f8b999f9 JJ |
1555 | dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0)); |
1556 | break; | |
1557 | case DW_OP_GNU_parameter_ref: | |
0c588247 | 1558 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
f8b999f9 | 1559 | printf ("DW_OP_GNU_parameter_ref: <0x%s>", |
0c588247 | 1560 | dwarf_vmatoa ("x", cu_offset + uvalue)); |
0892011d | 1561 | break; |
b4eb7656 AM |
1562 | case DW_OP_GNU_addr_index: |
1563 | uvalue = read_uleb128 (data, &bytes_read, end); | |
1564 | data += bytes_read; | |
1565 | printf ("DW_OP_GNU_addr_index <0x%s>", dwarf_vmatoa ("x", uvalue)); | |
1566 | break; | |
1567 | case DW_OP_GNU_const_index: | |
1568 | uvalue = read_uleb128 (data, &bytes_read, end); | |
1569 | data += bytes_read; | |
1570 | printf ("DW_OP_GNU_const_index <0x%s>", dwarf_vmatoa ("x", uvalue)); | |
1571 | break; | |
e2a0d921 NC |
1572 | |
1573 | /* HP extensions. */ | |
1574 | case DW_OP_HP_is_value: | |
1575 | printf ("DW_OP_HP_is_value"); | |
1576 | /* FIXME: Is there data associated with this OP ? */ | |
1577 | break; | |
1578 | case DW_OP_HP_fltconst4: | |
1579 | printf ("DW_OP_HP_fltconst4"); | |
1580 | /* FIXME: Is there data associated with this OP ? */ | |
1581 | break; | |
1582 | case DW_OP_HP_fltconst8: | |
1583 | printf ("DW_OP_HP_fltconst8"); | |
1584 | /* FIXME: Is there data associated with this OP ? */ | |
1585 | break; | |
1586 | case DW_OP_HP_mod_range: | |
1587 | printf ("DW_OP_HP_mod_range"); | |
1588 | /* FIXME: Is there data associated with this OP ? */ | |
1589 | break; | |
1590 | case DW_OP_HP_unmod_range: | |
1591 | printf ("DW_OP_HP_unmod_range"); | |
1592 | /* FIXME: Is there data associated with this OP ? */ | |
1593 | break; | |
1594 | case DW_OP_HP_tls: | |
1595 | printf ("DW_OP_HP_tls"); | |
1596 | /* FIXME: Is there data associated with this OP ? */ | |
19e6b90e L |
1597 | break; |
1598 | ||
35d60fe4 NC |
1599 | /* PGI (STMicroelectronics) extensions. */ |
1600 | case DW_OP_PGI_omp_thread_num: | |
1601 | /* Pushes the thread number for the current thread as it would be | |
1602 | returned by the standard OpenMP library function: | |
1603 | omp_get_thread_num(). The "current thread" is the thread for | |
1604 | which the expression is being evaluated. */ | |
1605 | printf ("DW_OP_PGI_omp_thread_num"); | |
1606 | break; | |
1607 | ||
19e6b90e L |
1608 | default: |
1609 | if (op >= DW_OP_lo_user | |
1610 | && op <= DW_OP_hi_user) | |
0502a2b4 | 1611 | printf (_("(User defined location op 0x%x)"), op); |
19e6b90e | 1612 | else |
0502a2b4 | 1613 | printf (_("(Unknown location op 0x%x)"), op); |
19e6b90e L |
1614 | /* No way to tell where the next op is, so just bail. */ |
1615 | return need_frame_base; | |
1616 | } | |
1617 | ||
1618 | /* Separate the ops. */ | |
1619 | if (data < end) | |
1620 | printf ("; "); | |
1621 | } | |
1622 | ||
1623 | return need_frame_base; | |
1624 | } | |
1625 | ||
341f9135 CC |
1626 | /* Find the CU or TU set corresponding to the given CU_OFFSET. |
1627 | This is used for DWARF package files. */ | |
1628 | ||
1629 | static struct cu_tu_set * | |
1630 | find_cu_tu_set_v2 (dwarf_vma cu_offset, int do_types) | |
1631 | { | |
1632 | struct cu_tu_set *p; | |
1633 | unsigned int nsets; | |
1634 | unsigned int dw_sect; | |
1635 | ||
1636 | if (do_types) | |
1637 | { | |
1638 | p = tu_sets; | |
1639 | nsets = tu_count; | |
1640 | dw_sect = DW_SECT_TYPES; | |
1641 | } | |
1642 | else | |
1643 | { | |
1644 | p = cu_sets; | |
1645 | nsets = cu_count; | |
1646 | dw_sect = DW_SECT_INFO; | |
1647 | } | |
1648 | while (nsets > 0) | |
1649 | { | |
1650 | if (p->section_offsets [dw_sect] == cu_offset) | |
1651 | return p; | |
1652 | p++; | |
1653 | nsets--; | |
1654 | } | |
1655 | return NULL; | |
1656 | } | |
1657 | ||
a69c4772 NC |
1658 | /* Add INC to HIGH_BITS:LOW_BITS. */ |
1659 | static void | |
1660 | add64 (dwarf_vma * high_bits, dwarf_vma * low_bits, dwarf_vma inc) | |
1661 | { | |
1662 | dwarf_vma tmp = * low_bits; | |
1663 | ||
1664 | tmp += inc; | |
1665 | ||
1666 | /* FIXME: There is probably a better way of handling this: | |
1667 | ||
1668 | We need to cope with dwarf_vma being a 32-bit or 64-bit | |
1669 | type. Plus regardless of its size LOW_BITS is meant to | |
1670 | only hold 32-bits, so if there is overflow or wrap around | |
1671 | we must propagate into HIGH_BITS. */ | |
1672 | if (tmp < * low_bits) | |
1673 | { | |
1674 | ++ * high_bits; | |
1675 | } | |
1676 | else if (sizeof (tmp) > 8 | |
1677 | && (tmp >> 31) > 1) | |
1678 | { | |
1679 | ++ * high_bits; | |
1680 | tmp &= 0xFFFFFFFF; | |
1681 | } | |
1682 | ||
1683 | * low_bits = tmp; | |
1684 | } | |
1685 | ||
dda8d76d NC |
1686 | static const char * |
1687 | fetch_alt_indirect_string (dwarf_vma offset) | |
1688 | { | |
1689 | struct dwarf_section * section; | |
1690 | const char * ret; | |
1691 | ||
1692 | if (! do_follow_links) | |
1693 | return ""; | |
1694 | ||
1695 | if (separate_debug_file == NULL) | |
1696 | return _("<following link not possible>"); | |
1697 | ||
1698 | if (! load_debug_section (separate_debug_str, separate_debug_file)) | |
1699 | return _("<could not load separate string section>"); | |
1700 | ||
1701 | section = &debug_displays [separate_debug_str].section; | |
1702 | if (section->start == NULL) | |
1703 | return _("<no .debug_str section>"); | |
1704 | ||
1705 | if (offset >= section->size) | |
1706 | { | |
1707 | warn (_("DW_FORM_GNU_strp_alt offset too big: %s\n"), dwarf_vmatoa ("x", offset)); | |
1708 | return _("<offset is too big>"); | |
1709 | } | |
1710 | ||
1711 | ret = (const char *) (section->start + offset); | |
1712 | /* Unfortunately we cannot rely upon the .debug_str section ending with a | |
1713 | NUL byte. Since our caller is expecting to receive a well formed C | |
1714 | string we test for the lack of a terminating byte here. */ | |
1715 | if (strnlen ((const char *) ret, section->size - offset) | |
1716 | == section->size - offset) | |
1717 | return _("<no NUL byte at end of .debug_str section>"); | |
1718 | ||
1719 | return ret; | |
1720 | } | |
1721 | ||
d85bf2ba NC |
1722 | static const char * |
1723 | get_AT_name (unsigned long attribute) | |
1724 | { | |
1725 | const char *name; | |
1726 | ||
1727 | if (attribute == 0) | |
1728 | return "DW_AT value: 0"; | |
1729 | ||
1730 | /* One value is shared by the MIPS and HP extensions: */ | |
1731 | if (attribute == DW_AT_MIPS_fde) | |
1732 | return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable"; | |
1733 | ||
1734 | name = get_DW_AT_name (attribute); | |
1735 | ||
1736 | if (name == NULL) | |
1737 | { | |
1738 | static char buffer[100]; | |
1739 | ||
1740 | snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"), | |
1741 | attribute); | |
1742 | return buffer; | |
1743 | } | |
1744 | ||
1745 | return name; | |
1746 | } | |
1747 | ||
19e6b90e | 1748 | static unsigned char * |
dda8d76d NC |
1749 | read_and_display_attr_value (unsigned long attribute, |
1750 | unsigned long form, | |
1751 | dwarf_signed_vma implicit_const, | |
1752 | unsigned char * data, | |
1753 | unsigned char * end, | |
1754 | dwarf_vma cu_offset, | |
1755 | dwarf_vma pointer_size, | |
1756 | dwarf_vma offset_size, | |
1757 | int dwarf_version, | |
1758 | debug_info * debug_info_p, | |
1759 | int do_loc, | |
1760 | struct dwarf_section * section, | |
1761 | struct cu_tu_set * this_set, | |
1762 | char delimiter) | |
19e6b90e | 1763 | { |
467c65bc | 1764 | dwarf_vma uvalue = 0; |
19e6b90e | 1765 | unsigned char *block_start = NULL; |
6e3d6dc1 | 1766 | unsigned char * orig_data = data; |
19e6b90e L |
1767 | unsigned int bytes_read; |
1768 | ||
f41e4712 | 1769 | if (data > end || (data == end && form != DW_FORM_flag_present)) |
0c588247 | 1770 | { |
f41e4712 | 1771 | warn (_("Corrupt attribute\n")); |
0c588247 NC |
1772 | return data; |
1773 | } | |
1774 | ||
19e6b90e L |
1775 | switch (form) |
1776 | { | |
1777 | default: | |
1778 | break; | |
1779 | ||
1780 | case DW_FORM_ref_addr: | |
1781 | if (dwarf_version == 2) | |
0c588247 | 1782 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
932fd279 | 1783 | else if (dwarf_version == 3 || dwarf_version == 4) |
0c588247 | 1784 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
19e6b90e | 1785 | else |
467c65bc NC |
1786 | error (_("Internal error: DWARF version is not 2, 3 or 4.\n")); |
1787 | ||
19e6b90e L |
1788 | break; |
1789 | ||
1790 | case DW_FORM_addr: | |
0c588247 | 1791 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
19e6b90e L |
1792 | break; |
1793 | ||
1794 | case DW_FORM_strp: | |
77145576 | 1795 | case DW_FORM_line_strp: |
932fd279 | 1796 | case DW_FORM_sec_offset: |
a081f3cd JJ |
1797 | case DW_FORM_GNU_ref_alt: |
1798 | case DW_FORM_GNU_strp_alt: | |
0c588247 | 1799 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
19e6b90e L |
1800 | break; |
1801 | ||
932fd279 JJ |
1802 | case DW_FORM_flag_present: |
1803 | uvalue = 1; | |
1804 | break; | |
1805 | ||
19e6b90e L |
1806 | case DW_FORM_ref1: |
1807 | case DW_FORM_flag: | |
1808 | case DW_FORM_data1: | |
0c588247 | 1809 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
19e6b90e L |
1810 | break; |
1811 | ||
1812 | case DW_FORM_ref2: | |
1813 | case DW_FORM_data2: | |
0c588247 | 1814 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
19e6b90e L |
1815 | break; |
1816 | ||
1817 | case DW_FORM_ref4: | |
1818 | case DW_FORM_data4: | |
0c588247 | 1819 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
19e6b90e L |
1820 | break; |
1821 | ||
1822 | case DW_FORM_sdata: | |
f6f0e17b | 1823 | uvalue = read_sleb128 (data, & bytes_read, end); |
19e6b90e L |
1824 | data += bytes_read; |
1825 | break; | |
1826 | ||
4723351a | 1827 | case DW_FORM_GNU_str_index: |
f6f0e17b | 1828 | uvalue = read_uleb128 (data, & bytes_read, end); |
4723351a CC |
1829 | data += bytes_read; |
1830 | break; | |
1831 | ||
19e6b90e L |
1832 | case DW_FORM_ref_udata: |
1833 | case DW_FORM_udata: | |
f6f0e17b | 1834 | uvalue = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
1835 | data += bytes_read; |
1836 | break; | |
1837 | ||
1838 | case DW_FORM_indirect: | |
f6f0e17b | 1839 | form = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
1840 | data += bytes_read; |
1841 | if (!do_loc) | |
ef0b5f1c | 1842 | printf ("%c%s", delimiter, get_FORM_name (form)); |
77145576 JK |
1843 | if (form == DW_FORM_implicit_const) |
1844 | { | |
1845 | implicit_const = read_sleb128 (data, & bytes_read, end); | |
1846 | data += bytes_read; | |
1847 | } | |
1848 | return read_and_display_attr_value (attribute, form, implicit_const, data, | |
1849 | end, cu_offset, pointer_size, | |
19e6b90e | 1850 | offset_size, dwarf_version, |
ec4d4525 | 1851 | debug_info_p, do_loc, |
ef0b5f1c | 1852 | section, this_set, delimiter); |
4723351a | 1853 | case DW_FORM_GNU_addr_index: |
f6f0e17b | 1854 | uvalue = read_uleb128 (data, & bytes_read, end); |
4723351a CC |
1855 | data += bytes_read; |
1856 | break; | |
19e6b90e L |
1857 | } |
1858 | ||
1859 | switch (form) | |
1860 | { | |
1861 | case DW_FORM_ref_addr: | |
1862 | if (!do_loc) | |
ef0b5f1c | 1863 | printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x",uvalue)); |
19e6b90e L |
1864 | break; |
1865 | ||
a081f3cd JJ |
1866 | case DW_FORM_GNU_ref_alt: |
1867 | if (!do_loc) | |
ef0b5f1c | 1868 | printf ("%c<alt 0x%s>", delimiter, dwarf_vmatoa ("x",uvalue)); |
dda8d76d | 1869 | /* FIXME: Follow the reference... */ |
a081f3cd JJ |
1870 | break; |
1871 | ||
19e6b90e L |
1872 | case DW_FORM_ref1: |
1873 | case DW_FORM_ref2: | |
1874 | case DW_FORM_ref4: | |
1875 | case DW_FORM_ref_udata: | |
1876 | if (!do_loc) | |
ef0b5f1c | 1877 | printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue + cu_offset)); |
19e6b90e L |
1878 | break; |
1879 | ||
1880 | case DW_FORM_data4: | |
1881 | case DW_FORM_addr: | |
932fd279 | 1882 | case DW_FORM_sec_offset: |
19e6b90e | 1883 | if (!do_loc) |
ef0b5f1c | 1884 | printf ("%c0x%s", delimiter, dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
1885 | break; |
1886 | ||
932fd279 | 1887 | case DW_FORM_flag_present: |
19e6b90e L |
1888 | case DW_FORM_flag: |
1889 | case DW_FORM_data1: | |
1890 | case DW_FORM_data2: | |
1891 | case DW_FORM_sdata: | |
1892 | case DW_FORM_udata: | |
1893 | if (!do_loc) | |
ef0b5f1c | 1894 | printf ("%c%s", delimiter, dwarf_vmatoa ("d", uvalue)); |
19e6b90e L |
1895 | break; |
1896 | ||
77145576 JK |
1897 | case DW_FORM_implicit_const: |
1898 | if (!do_loc) | |
1899 | printf ("%c%s", delimiter, dwarf_vmatoa ("d", implicit_const)); | |
1900 | break; | |
1901 | ||
19e6b90e L |
1902 | case DW_FORM_ref8: |
1903 | case DW_FORM_data8: | |
2bc8690c | 1904 | if (!do_loc) |
19e6b90e | 1905 | { |
74bc6052 | 1906 | dwarf_vma high_bits; |
a69c4772 | 1907 | dwarf_vma utmp; |
74bc6052 CC |
1908 | char buf[64]; |
1909 | ||
0c588247 | 1910 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); |
a69c4772 NC |
1911 | utmp = uvalue; |
1912 | if (form == DW_FORM_ref8) | |
1913 | add64 (& high_bits, & utmp, cu_offset); | |
ef0b5f1c | 1914 | printf ("%c0x%s", delimiter, |
a69c4772 | 1915 | dwarf_vmatoa64 (high_bits, utmp, buf, sizeof (buf))); |
19e6b90e | 1916 | } |
0c588247 | 1917 | |
19e6b90e L |
1918 | if ((do_loc || do_debug_loc || do_debug_ranges) |
1919 | && num_debug_info_entries == 0) | |
1920 | { | |
1921 | if (sizeof (uvalue) == 8) | |
0c588247 | 1922 | SAFE_BYTE_GET (uvalue, data, 8, end); |
19e6b90e | 1923 | else |
467c65bc | 1924 | error (_("DW_FORM_data8 is unsupported when sizeof (dwarf_vma) != 8\n")); |
19e6b90e | 1925 | } |
0c588247 | 1926 | |
19e6b90e L |
1927 | data += 8; |
1928 | break; | |
1929 | ||
2f6cd591 JK |
1930 | case DW_FORM_data16: |
1931 | if (!do_loc) | |
1932 | { | |
1933 | dwarf_vma left_high_bits, left_low_bits; | |
1934 | dwarf_vma right_high_bits, right_low_bits; | |
1935 | ||
1936 | SAFE_BYTE_GET64 (data, &left_high_bits, &left_low_bits, end); | |
1937 | SAFE_BYTE_GET64 (data + 8, &right_high_bits, &right_low_bits, end); | |
1938 | if (byte_get == byte_get_little_endian) | |
1939 | { | |
1940 | /* Swap them. */ | |
1941 | left_high_bits ^= right_high_bits; | |
1942 | right_high_bits ^= left_high_bits; | |
1943 | left_high_bits ^= right_high_bits; | |
1944 | left_low_bits ^= right_low_bits; | |
1945 | right_low_bits ^= left_low_bits; | |
1946 | left_low_bits ^= right_low_bits; | |
1947 | } | |
1948 | printf (" 0x%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x" | |
1949 | "%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x", | |
1950 | left_high_bits, left_low_bits, right_high_bits, | |
1951 | right_low_bits); | |
1952 | } | |
1953 | data += 16; | |
1954 | break; | |
1955 | ||
19e6b90e L |
1956 | case DW_FORM_string: |
1957 | if (!do_loc) | |
ef0b5f1c | 1958 | printf ("%c%.*s", delimiter, (int) (end - data), data); |
0c588247 | 1959 | data += strnlen ((char *) data, end - data) + 1; |
19e6b90e L |
1960 | break; |
1961 | ||
1962 | case DW_FORM_block: | |
932fd279 | 1963 | case DW_FORM_exprloc: |
f6f0e17b | 1964 | uvalue = read_uleb128 (data, & bytes_read, end); |
19e6b90e | 1965 | block_start = data + bytes_read; |
a1165289 NC |
1966 | if (block_start >= end) |
1967 | { | |
1968 | warn (_("Block ends prematurely\n")); | |
1969 | uvalue = 0; | |
1970 | block_start = end; | |
1971 | } | |
f3853b34 NC |
1972 | /* FIXME: Testing "(block_start + uvalue) < block_start" miscompiles with |
1973 | gcc 4.8.3 running on an x86_64 host in 32-bit mode. So we pre-compute | |
1974 | block_start + uvalue here. */ | |
1975 | data = block_start + uvalue; | |
f41e4712 | 1976 | /* PR 17512: file: 008-103549-0.001:0.1. */ |
f3853b34 | 1977 | if (block_start + uvalue > end || data < block_start) |
f41e4712 NC |
1978 | { |
1979 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
1980 | uvalue = end - block_start; | |
1981 | } | |
19e6b90e L |
1982 | if (do_loc) |
1983 | data = block_start + uvalue; | |
1984 | else | |
ef0b5f1c | 1985 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
1986 | break; |
1987 | ||
1988 | case DW_FORM_block1: | |
0c588247 | 1989 | SAFE_BYTE_GET (uvalue, data, 1, end); |
19e6b90e | 1990 | block_start = data + 1; |
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 | data = block_start + uvalue; |
1998 | if (block_start + uvalue > end || data < block_start) | |
f41e4712 NC |
1999 | { |
2000 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
2001 | uvalue = end - block_start; | |
2002 | } | |
19e6b90e L |
2003 | if (do_loc) |
2004 | data = block_start + uvalue; | |
2005 | else | |
ef0b5f1c | 2006 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
2007 | break; |
2008 | ||
2009 | case DW_FORM_block2: | |
0c588247 | 2010 | SAFE_BYTE_GET (uvalue, data, 2, end); |
19e6b90e | 2011 | block_start = data + 2; |
a1165289 NC |
2012 | if (block_start >= end) |
2013 | { | |
2014 | warn (_("Block ends prematurely\n")); | |
2015 | uvalue = 0; | |
2016 | block_start = end; | |
2017 | } | |
f3853b34 NC |
2018 | data = block_start + uvalue; |
2019 | if (block_start + uvalue > end || data < block_start) | |
f41e4712 NC |
2020 | { |
2021 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
2022 | uvalue = end - block_start; | |
2023 | } | |
19e6b90e L |
2024 | if (do_loc) |
2025 | data = block_start + uvalue; | |
2026 | else | |
ef0b5f1c | 2027 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
2028 | break; |
2029 | ||
2030 | case DW_FORM_block4: | |
0c588247 | 2031 | SAFE_BYTE_GET (uvalue, data, 4, end); |
19e6b90e | 2032 | block_start = data + 4; |
a1165289 NC |
2033 | /* PR 17512: file: 3371-3907-0.004. */ |
2034 | if (block_start >= end) | |
2035 | { | |
2036 | warn (_("Block ends prematurely\n")); | |
2037 | uvalue = 0; | |
2038 | block_start = end; | |
2039 | } | |
f3853b34 NC |
2040 | data = block_start + uvalue; |
2041 | if (block_start + uvalue > end | |
b4eb7656 | 2042 | /* PR 17531: file: 5b5f0592. */ |
f3853b34 | 2043 | || data < block_start) |
f41e4712 NC |
2044 | { |
2045 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
2046 | uvalue = end - block_start; | |
2047 | } | |
19e6b90e L |
2048 | if (do_loc) |
2049 | data = block_start + uvalue; | |
2050 | else | |
ef0b5f1c | 2051 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
2052 | break; |
2053 | ||
2054 | case DW_FORM_strp: | |
2055 | if (!do_loc) | |
ef0b5f1c | 2056 | printf (_("%c(indirect string, offset: 0x%s): %s"), delimiter, |
47704ddf KT |
2057 | dwarf_vmatoa ("x", uvalue), |
2058 | fetch_indirect_string (uvalue)); | |
19e6b90e L |
2059 | break; |
2060 | ||
77145576 JK |
2061 | case DW_FORM_line_strp: |
2062 | if (!do_loc) | |
2063 | printf (_("%c(indirect line string, offset: 0x%s): %s"), delimiter, | |
2064 | dwarf_vmatoa ("x", uvalue), | |
2065 | fetch_indirect_line_string (uvalue)); | |
2066 | break; | |
2067 | ||
4723351a CC |
2068 | case DW_FORM_GNU_str_index: |
2069 | if (!do_loc) | |
b4eb7656 | 2070 | { |
d85bf2ba NC |
2071 | const char * suffix = strrchr (section->name, '.'); |
2072 | bfd_boolean dwo = (suffix && strcmp (suffix, ".dwo") == 0) ? TRUE : FALSE; | |
b4eb7656 | 2073 | |
ef0b5f1c | 2074 | printf (_("%c(indexed string: 0x%s): %s"), delimiter, |
b4eb7656 AM |
2075 | dwarf_vmatoa ("x", uvalue), |
2076 | fetch_indexed_string (uvalue, this_set, offset_size, dwo)); | |
2077 | } | |
4723351a CC |
2078 | break; |
2079 | ||
a081f3cd JJ |
2080 | case DW_FORM_GNU_strp_alt: |
2081 | if (!do_loc) | |
dda8d76d NC |
2082 | { |
2083 | printf (_("%c(alt indirect string, offset: 0x%s) %s"), delimiter, | |
2084 | dwarf_vmatoa ("x", uvalue), | |
2085 | fetch_alt_indirect_string (uvalue)); | |
2086 | } | |
a081f3cd JJ |
2087 | break; |
2088 | ||
19e6b90e L |
2089 | case DW_FORM_indirect: |
2090 | /* Handled above. */ | |
2091 | break; | |
2092 | ||
2b6f5997 CC |
2093 | case DW_FORM_ref_sig8: |
2094 | if (!do_loc) | |
2095 | { | |
74bc6052 CC |
2096 | dwarf_vma high_bits; |
2097 | char buf[64]; | |
2098 | ||
0c588247 | 2099 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); |
ef0b5f1c | 2100 | printf ("%csignature: 0x%s", delimiter, |
74bc6052 | 2101 | dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf))); |
2b6f5997 | 2102 | } |
74bc6052 | 2103 | data += 8; |
2b6f5997 CC |
2104 | break; |
2105 | ||
4723351a CC |
2106 | case DW_FORM_GNU_addr_index: |
2107 | if (!do_loc) | |
ef0b5f1c | 2108 | printf (_("%c(addr_index: 0x%s): %s"), delimiter, |
b4eb7656 AM |
2109 | dwarf_vmatoa ("x", uvalue), |
2110 | fetch_indexed_value (uvalue * pointer_size, pointer_size)); | |
4723351a CC |
2111 | break; |
2112 | ||
19e6b90e L |
2113 | default: |
2114 | warn (_("Unrecognized form: %lu\n"), form); | |
2115 | break; | |
2116 | } | |
2117 | ||
19e6b90e | 2118 | if ((do_loc || do_debug_loc || do_debug_ranges) |
fd2f0033 TT |
2119 | && num_debug_info_entries == 0 |
2120 | && debug_info_p != NULL) | |
19e6b90e L |
2121 | { |
2122 | switch (attribute) | |
2123 | { | |
2124 | case DW_AT_frame_base: | |
2125 | have_frame_base = 1; | |
1a0670f3 | 2126 | /* Fall through. */ |
19e6b90e | 2127 | case DW_AT_location: |
9f272209 | 2128 | case DW_AT_GNU_locviews: |
e2a0d921 NC |
2129 | case DW_AT_string_length: |
2130 | case DW_AT_return_addr: | |
19e6b90e L |
2131 | case DW_AT_data_member_location: |
2132 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
2133 | case DW_AT_segment: |
2134 | case DW_AT_static_link: | |
2135 | case DW_AT_use_location: | |
bc0a77d2 | 2136 | case DW_AT_call_value: |
629e7ca8 | 2137 | case DW_AT_GNU_call_site_value: |
bc0a77d2 | 2138 | case DW_AT_call_data_value: |
629e7ca8 | 2139 | case DW_AT_GNU_call_site_data_value: |
bc0a77d2 | 2140 | case DW_AT_call_target: |
629e7ca8 | 2141 | case DW_AT_GNU_call_site_target: |
bc0a77d2 | 2142 | case DW_AT_call_target_clobbered: |
629e7ca8 | 2143 | case DW_AT_GNU_call_site_target_clobbered: |
b4eb7656 | 2144 | if ((dwarf_version < 4 |
212b6063 | 2145 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 2146 | || form == DW_FORM_sec_offset) |
19e6b90e L |
2147 | { |
2148 | /* Process location list. */ | |
91d6fa6a | 2149 | unsigned int lmax = debug_info_p->max_loc_offsets; |
19e6b90e L |
2150 | unsigned int num = debug_info_p->num_loc_offsets; |
2151 | ||
91d6fa6a | 2152 | if (lmax == 0 || num >= lmax) |
19e6b90e | 2153 | { |
91d6fa6a | 2154 | lmax += 1024; |
467c65bc | 2155 | debug_info_p->loc_offsets = (dwarf_vma *) |
b4eb7656 AM |
2156 | xcrealloc (debug_info_p->loc_offsets, |
2157 | lmax, sizeof (*debug_info_p->loc_offsets)); | |
9f272209 AO |
2158 | debug_info_p->loc_views = (dwarf_vma *) |
2159 | xcrealloc (debug_info_p->loc_views, | |
2160 | lmax, sizeof (*debug_info_p->loc_views)); | |
3f5e193b | 2161 | debug_info_p->have_frame_base = (int *) |
b4eb7656 AM |
2162 | xcrealloc (debug_info_p->have_frame_base, |
2163 | lmax, sizeof (*debug_info_p->have_frame_base)); | |
91d6fa6a | 2164 | debug_info_p->max_loc_offsets = lmax; |
19e6b90e | 2165 | } |
341f9135 | 2166 | if (this_set != NULL) |
b4eb7656 | 2167 | uvalue += this_set->section_offsets [DW_SECT_LOC]; |
19e6b90e | 2168 | debug_info_p->have_frame_base [num] = have_frame_base; |
9f272209 AO |
2169 | if (attribute != DW_AT_GNU_locviews) |
2170 | { | |
2171 | debug_info_p->loc_offsets [num] = uvalue; | |
2172 | debug_info_p->num_loc_offsets++; | |
2173 | assert (debug_info_p->num_loc_offsets | |
2174 | - debug_info_p->num_loc_views <= 1); | |
2175 | } | |
2176 | else | |
2177 | { | |
2178 | assert (debug_info_p->num_loc_views <= num); | |
2179 | num = debug_info_p->num_loc_views; | |
2180 | debug_info_p->loc_views [num] = uvalue; | |
2181 | debug_info_p->num_loc_views++; | |
2182 | assert (debug_info_p->num_loc_views | |
2183 | - debug_info_p->num_loc_offsets <= 1); | |
2184 | } | |
19e6b90e L |
2185 | } |
2186 | break; | |
e2a0d921 | 2187 | |
19e6b90e L |
2188 | case DW_AT_low_pc: |
2189 | if (need_base_address) | |
2190 | debug_info_p->base_address = uvalue; | |
2191 | break; | |
2192 | ||
4723351a | 2193 | case DW_AT_GNU_addr_base: |
b4eb7656 | 2194 | debug_info_p->addr_base = uvalue; |
4723351a CC |
2195 | break; |
2196 | ||
2197 | case DW_AT_GNU_ranges_base: | |
b4eb7656 | 2198 | debug_info_p->ranges_base = uvalue; |
4723351a CC |
2199 | break; |
2200 | ||
19e6b90e | 2201 | case DW_AT_ranges: |
b4eb7656 | 2202 | if ((dwarf_version < 4 |
212b6063 | 2203 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 2204 | || form == DW_FORM_sec_offset) |
19e6b90e L |
2205 | { |
2206 | /* Process range list. */ | |
91d6fa6a | 2207 | unsigned int lmax = debug_info_p->max_range_lists; |
19e6b90e L |
2208 | unsigned int num = debug_info_p->num_range_lists; |
2209 | ||
91d6fa6a | 2210 | if (lmax == 0 || num >= lmax) |
19e6b90e | 2211 | { |
91d6fa6a | 2212 | lmax += 1024; |
467c65bc | 2213 | debug_info_p->range_lists = (dwarf_vma *) |
b4eb7656 AM |
2214 | xcrealloc (debug_info_p->range_lists, |
2215 | lmax, sizeof (*debug_info_p->range_lists)); | |
91d6fa6a | 2216 | debug_info_p->max_range_lists = lmax; |
19e6b90e L |
2217 | } |
2218 | debug_info_p->range_lists [num] = uvalue; | |
2219 | debug_info_p->num_range_lists++; | |
2220 | } | |
2221 | break; | |
2222 | ||
d85bf2ba NC |
2223 | case DW_AT_GNU_dwo_name: |
2224 | case DW_AT_dwo_name: | |
2225 | if (need_dwo_info) | |
2226 | switch (form) | |
2227 | { | |
2228 | case DW_FORM_strp: | |
2229 | dwo_name = (const char *) fetch_indirect_string (uvalue); | |
2230 | break; | |
2231 | case DW_FORM_GNU_str_index: | |
2232 | dwo_name = fetch_indexed_string (uvalue, this_set, offset_size, FALSE); | |
2233 | break; | |
2234 | case DW_FORM_string: | |
2235 | dwo_name = (const char *) orig_data; | |
2236 | break; | |
2237 | default: | |
2238 | warn (_("Unsupported form (%s) for attribute %s\n"), | |
2239 | get_FORM_name (form), get_AT_name (attribute)); | |
2240 | dwo_name = _("<unknown>"); | |
2241 | break; | |
2242 | } | |
2243 | break; | |
2244 | ||
2245 | case DW_AT_comp_dir: | |
2246 | /* FIXME: Also extract a build-id in a CU/TU. */ | |
2247 | if (need_dwo_info) | |
2248 | switch (form) | |
2249 | { | |
2250 | case DW_FORM_strp: | |
2251 | dwo_dir = (const char *) fetch_indirect_string (uvalue); | |
2252 | break; | |
2253 | case DW_FORM_line_strp: | |
2254 | dwo_dir = (const char *) fetch_indirect_line_string (uvalue); | |
2255 | break; | |
2256 | case DW_FORM_GNU_str_index: | |
2257 | dwo_dir = fetch_indexed_string (uvalue, this_set, offset_size, FALSE); | |
2258 | break; | |
2259 | case DW_FORM_string: | |
2260 | dwo_dir = (const char *) orig_data; | |
2261 | break; | |
2262 | default: | |
2263 | warn (_("Unsupported form (%s) for attribute %s\n"), | |
2264 | get_FORM_name (form), get_AT_name (attribute)); | |
2265 | dwo_dir = _("<unknown>"); | |
2266 | break; | |
2267 | } | |
2268 | break; | |
2269 | ||
2270 | case DW_AT_GNU_dwo_id: | |
2271 | if (need_dwo_info) | |
2272 | switch (form) | |
2273 | { | |
2274 | case DW_FORM_data8: | |
2275 | dwo_id = data - 8; | |
2276 | dwo_id_len = 8; | |
2277 | break; | |
2278 | default: | |
2279 | warn (_("Unsupported form (%s) for attribute %s\n"), | |
2280 | get_FORM_name (form), get_AT_name (attribute)); | |
2281 | dwo_id = NULL; | |
2282 | break; | |
2283 | } | |
2284 | break; | |
2285 | ||
19e6b90e L |
2286 | default: |
2287 | break; | |
2288 | } | |
2289 | } | |
2290 | ||
4ccf1e31 | 2291 | if (do_loc || attribute == 0) |
19e6b90e L |
2292 | return data; |
2293 | ||
ec4d4525 | 2294 | /* For some attributes we can display further information. */ |
19e6b90e L |
2295 | switch (attribute) |
2296 | { | |
2297 | case DW_AT_inline: | |
2e9e81a8 | 2298 | printf ("\t"); |
19e6b90e L |
2299 | switch (uvalue) |
2300 | { | |
2301 | case DW_INL_not_inlined: | |
2302 | printf (_("(not inlined)")); | |
2303 | break; | |
2304 | case DW_INL_inlined: | |
2305 | printf (_("(inlined)")); | |
2306 | break; | |
2307 | case DW_INL_declared_not_inlined: | |
2308 | printf (_("(declared as inline but ignored)")); | |
2309 | break; | |
2310 | case DW_INL_declared_inlined: | |
2311 | printf (_("(declared as inline and inlined)")); | |
2312 | break; | |
2313 | default: | |
47704ddf KT |
2314 | printf (_(" (Unknown inline attribute value: %s)"), |
2315 | dwarf_vmatoa ("x", uvalue)); | |
19e6b90e L |
2316 | break; |
2317 | } | |
2318 | break; | |
2319 | ||
2320 | case DW_AT_language: | |
2e9e81a8 | 2321 | printf ("\t"); |
19e6b90e L |
2322 | switch (uvalue) |
2323 | { | |
4b78141a | 2324 | /* Ordered by the numeric value of these constants. */ |
19e6b90e | 2325 | case DW_LANG_C89: printf ("(ANSI C)"); break; |
4b78141a NC |
2326 | case DW_LANG_C: printf ("(non-ANSI C)"); break; |
2327 | case DW_LANG_Ada83: printf ("(Ada)"); break; | |
19e6b90e | 2328 | case DW_LANG_C_plus_plus: printf ("(C++)"); break; |
4b78141a NC |
2329 | case DW_LANG_Cobol74: printf ("(Cobol 74)"); break; |
2330 | case DW_LANG_Cobol85: printf ("(Cobol 85)"); break; | |
19e6b90e L |
2331 | case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break; |
2332 | case DW_LANG_Fortran90: printf ("(Fortran 90)"); break; | |
19e6b90e | 2333 | case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break; |
4b78141a | 2334 | case DW_LANG_Modula2: printf ("(Modula 2)"); break; |
19e6b90e | 2335 | /* DWARF 2.1 values. */ |
4b78141a | 2336 | case DW_LANG_Java: printf ("(Java)"); break; |
19e6b90e L |
2337 | case DW_LANG_C99: printf ("(ANSI C99)"); break; |
2338 | case DW_LANG_Ada95: printf ("(ADA 95)"); break; | |
2339 | case DW_LANG_Fortran95: printf ("(Fortran 95)"); break; | |
4b78141a NC |
2340 | /* DWARF 3 values. */ |
2341 | case DW_LANG_PLI: printf ("(PLI)"); break; | |
2342 | case DW_LANG_ObjC: printf ("(Objective C)"); break; | |
2343 | case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break; | |
2344 | case DW_LANG_UPC: printf ("(Unified Parallel C)"); break; | |
2345 | case DW_LANG_D: printf ("(D)"); break; | |
2b6f5997 CC |
2346 | /* DWARF 4 values. */ |
2347 | case DW_LANG_Python: printf ("(Python)"); break; | |
3362e0d9 ILT |
2348 | /* DWARF 5 values. */ |
2349 | case DW_LANG_Go: printf ("(Go)"); break; | |
8bc10620 | 2350 | case DW_LANG_C_plus_plus_11: printf ("(C++11)"); break; |
6ddfe5b4 | 2351 | case DW_LANG_C11: printf ("(C11)"); break; |
8bc10620 | 2352 | case DW_LANG_C_plus_plus_14: printf ("(C++14)"); break; |
5a195044 MW |
2353 | case DW_LANG_Fortran03: printf ("(Fortran 03)"); break; |
2354 | case DW_LANG_Fortran08: printf ("(Fortran 08)"); break; | |
19e6b90e L |
2355 | /* MIPS extension. */ |
2356 | case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break; | |
2357 | /* UPC extension. */ | |
2358 | case DW_LANG_Upc: printf ("(Unified Parallel C)"); break; | |
2359 | default: | |
4b78141a | 2360 | if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user) |
9cf03b7e | 2361 | printf (_("(implementation defined: %s)"), |
467c65bc | 2362 | dwarf_vmatoa ("x", uvalue)); |
4b78141a | 2363 | else |
9cf03b7e | 2364 | printf (_("(Unknown: %s)"), dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
2365 | break; |
2366 | } | |
2367 | break; | |
2368 | ||
2369 | case DW_AT_encoding: | |
2e9e81a8 | 2370 | printf ("\t"); |
19e6b90e L |
2371 | switch (uvalue) |
2372 | { | |
2373 | case DW_ATE_void: printf ("(void)"); break; | |
2374 | case DW_ATE_address: printf ("(machine address)"); break; | |
2375 | case DW_ATE_boolean: printf ("(boolean)"); break; | |
2376 | case DW_ATE_complex_float: printf ("(complex float)"); break; | |
2377 | case DW_ATE_float: printf ("(float)"); break; | |
2378 | case DW_ATE_signed: printf ("(signed)"); break; | |
2379 | case DW_ATE_signed_char: printf ("(signed char)"); break; | |
2380 | case DW_ATE_unsigned: printf ("(unsigned)"); break; | |
2381 | case DW_ATE_unsigned_char: printf ("(unsigned char)"); break; | |
e2a0d921 | 2382 | /* DWARF 2.1 values: */ |
19e6b90e L |
2383 | case DW_ATE_imaginary_float: printf ("(imaginary float)"); break; |
2384 | case DW_ATE_decimal_float: printf ("(decimal float)"); break; | |
e2a0d921 NC |
2385 | /* DWARF 3 values: */ |
2386 | case DW_ATE_packed_decimal: printf ("(packed_decimal)"); break; | |
2387 | case DW_ATE_numeric_string: printf ("(numeric_string)"); break; | |
2388 | case DW_ATE_edited: printf ("(edited)"); break; | |
2389 | case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break; | |
2390 | case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break; | |
04914e37 NC |
2391 | /* DWARF 4 values: */ |
2392 | case DW_ATE_UTF: printf ("(unicode string)"); break; | |
2393 | /* DWARF 5 values: */ | |
2394 | case DW_ATE_UCS: printf ("(UCS)"); break; | |
2395 | case DW_ATE_ASCII: printf ("(ASCII)"); break; | |
2396 | ||
e2a0d921 NC |
2397 | /* HP extensions: */ |
2398 | case DW_ATE_HP_float80: printf ("(HP_float80)"); break; | |
2399 | case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break; | |
2400 | case DW_ATE_HP_float128: printf ("(HP_float128)"); break; | |
2401 | case DW_ATE_HP_complex_float128:printf ("(HP_complex_float128)"); break; | |
2402 | case DW_ATE_HP_floathpintel: printf ("(HP_floathpintel)"); break; | |
2403 | case DW_ATE_HP_imaginary_float80: printf ("(HP_imaginary_float80)"); break; | |
2404 | case DW_ATE_HP_imaginary_float128: printf ("(HP_imaginary_float128)"); break; | |
2405 | ||
19e6b90e L |
2406 | default: |
2407 | if (uvalue >= DW_ATE_lo_user | |
2408 | && uvalue <= DW_ATE_hi_user) | |
9cf03b7e | 2409 | printf (_("(user defined type)")); |
19e6b90e | 2410 | else |
9cf03b7e | 2411 | printf (_("(unknown type)")); |
19e6b90e L |
2412 | break; |
2413 | } | |
2414 | break; | |
2415 | ||
2416 | case DW_AT_accessibility: | |
2e9e81a8 | 2417 | printf ("\t"); |
19e6b90e L |
2418 | switch (uvalue) |
2419 | { | |
2420 | case DW_ACCESS_public: printf ("(public)"); break; | |
2421 | case DW_ACCESS_protected: printf ("(protected)"); break; | |
2422 | case DW_ACCESS_private: printf ("(private)"); break; | |
2423 | default: | |
9cf03b7e | 2424 | printf (_("(unknown accessibility)")); |
19e6b90e L |
2425 | break; |
2426 | } | |
2427 | break; | |
2428 | ||
2429 | case DW_AT_visibility: | |
2e9e81a8 | 2430 | printf ("\t"); |
19e6b90e L |
2431 | switch (uvalue) |
2432 | { | |
2433 | case DW_VIS_local: printf ("(local)"); break; | |
2434 | case DW_VIS_exported: printf ("(exported)"); break; | |
2435 | case DW_VIS_qualified: printf ("(qualified)"); break; | |
9cf03b7e | 2436 | default: printf (_("(unknown visibility)")); break; |
19e6b90e L |
2437 | } |
2438 | break; | |
2439 | ||
04914e37 NC |
2440 | case DW_AT_endianity: |
2441 | printf ("\t"); | |
2442 | switch (uvalue) | |
2443 | { | |
2444 | case DW_END_default: printf ("(default)"); break; | |
2445 | case DW_END_big: printf ("(big)"); break; | |
2446 | case DW_END_little: printf ("(little)"); break; | |
2447 | default: | |
2448 | if (uvalue >= DW_END_lo_user && uvalue <= DW_END_hi_user) | |
2449 | printf (_("(user specified)")); | |
2450 | else | |
2451 | printf (_("(unknown endianity)")); | |
2452 | break; | |
2453 | } | |
2454 | break; | |
2455 | ||
19e6b90e | 2456 | case DW_AT_virtuality: |
2e9e81a8 | 2457 | printf ("\t"); |
19e6b90e L |
2458 | switch (uvalue) |
2459 | { | |
2460 | case DW_VIRTUALITY_none: printf ("(none)"); break; | |
2461 | case DW_VIRTUALITY_virtual: printf ("(virtual)"); break; | |
2462 | case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break; | |
9cf03b7e | 2463 | default: printf (_("(unknown virtuality)")); break; |
19e6b90e L |
2464 | } |
2465 | break; | |
2466 | ||
2467 | case DW_AT_identifier_case: | |
2e9e81a8 | 2468 | printf ("\t"); |
19e6b90e L |
2469 | switch (uvalue) |
2470 | { | |
2471 | case DW_ID_case_sensitive: printf ("(case_sensitive)"); break; | |
2472 | case DW_ID_up_case: printf ("(up_case)"); break; | |
2473 | case DW_ID_down_case: printf ("(down_case)"); break; | |
2474 | case DW_ID_case_insensitive: printf ("(case_insensitive)"); break; | |
9cf03b7e | 2475 | default: printf (_("(unknown case)")); break; |
19e6b90e L |
2476 | } |
2477 | break; | |
2478 | ||
2479 | case DW_AT_calling_convention: | |
2e9e81a8 | 2480 | printf ("\t"); |
19e6b90e L |
2481 | switch (uvalue) |
2482 | { | |
2483 | case DW_CC_normal: printf ("(normal)"); break; | |
2484 | case DW_CC_program: printf ("(program)"); break; | |
2485 | case DW_CC_nocall: printf ("(nocall)"); break; | |
04914e37 NC |
2486 | case DW_CC_pass_by_reference: printf ("(pass by ref)"); break; |
2487 | case DW_CC_pass_by_value: printf ("(pass by value)"); break; | |
2488 | case DW_CC_GNU_renesas_sh: printf ("(Rensas SH)"); break; | |
2489 | case DW_CC_GNU_borland_fastcall_i386: printf ("(Borland fastcall i386)"); break; | |
19e6b90e L |
2490 | default: |
2491 | if (uvalue >= DW_CC_lo_user | |
2492 | && uvalue <= DW_CC_hi_user) | |
9cf03b7e | 2493 | printf (_("(user defined)")); |
19e6b90e | 2494 | else |
9cf03b7e | 2495 | printf (_("(unknown convention)")); |
19e6b90e L |
2496 | } |
2497 | break; | |
2498 | ||
2499 | case DW_AT_ordering: | |
2e9e81a8 | 2500 | printf ("\t"); |
19e6b90e L |
2501 | switch (uvalue) |
2502 | { | |
04914e37 | 2503 | case 255: |
9cf03b7e | 2504 | case -1: printf (_("(undefined)")); break; |
19e6b90e L |
2505 | case 0: printf ("(row major)"); break; |
2506 | case 1: printf ("(column major)"); break; | |
2507 | } | |
2508 | break; | |
2509 | ||
04914e37 NC |
2510 | case DW_AT_decimal_sign: |
2511 | printf ("\t"); | |
2512 | switch (uvalue) | |
2513 | { | |
2514 | case DW_DS_unsigned: printf (_("(unsigned)")); break; | |
2515 | case DW_DS_leading_overpunch: printf (_("(leading overpunch)")); break; | |
2516 | case DW_DS_trailing_overpunch: printf (_("(trailing overpunch)")); break; | |
2517 | case DW_DS_leading_separate: printf (_("(leading separate)")); break; | |
2518 | case DW_DS_trailing_separate: printf (_("(trailing separate)")); break; | |
2519 | default: printf (_("(unrecognised)")); break; | |
2520 | } | |
2521 | break; | |
2522 | ||
2523 | case DW_AT_defaulted: | |
2524 | printf ("\t"); | |
2525 | switch (uvalue) | |
2526 | { | |
2527 | case DW_DEFAULTED_no: printf (_("(no)")); break; | |
2528 | case DW_DEFAULTED_in_class: printf (_("(in class)")); break; | |
2529 | case DW_DEFAULTED_out_of_class: printf (_("(out of class)")); break; | |
2530 | default: printf (_("(unrecognised)")); break; | |
2531 | } | |
2532 | break; | |
2533 | ||
2534 | case DW_AT_discr_list: | |
2535 | printf ("\t"); | |
2536 | switch (uvalue) | |
2537 | { | |
2538 | case DW_DSC_label: printf (_("(label)")); break; | |
2539 | case DW_DSC_range: printf (_("(range)")); break; | |
2540 | default: printf (_("(unrecognised)")); break; | |
2541 | } | |
2542 | break; | |
2543 | ||
19e6b90e L |
2544 | case DW_AT_frame_base: |
2545 | have_frame_base = 1; | |
1a0670f3 | 2546 | /* Fall through. */ |
19e6b90e | 2547 | case DW_AT_location: |
e2a0d921 NC |
2548 | case DW_AT_string_length: |
2549 | case DW_AT_return_addr: | |
19e6b90e L |
2550 | case DW_AT_data_member_location: |
2551 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
2552 | case DW_AT_segment: |
2553 | case DW_AT_static_link: | |
2554 | case DW_AT_use_location: | |
bc0a77d2 | 2555 | case DW_AT_call_value: |
629e7ca8 | 2556 | case DW_AT_GNU_call_site_value: |
bc0a77d2 | 2557 | case DW_AT_call_data_value: |
629e7ca8 | 2558 | case DW_AT_GNU_call_site_data_value: |
bc0a77d2 | 2559 | case DW_AT_call_target: |
629e7ca8 | 2560 | case DW_AT_GNU_call_site_target: |
bc0a77d2 | 2561 | case DW_AT_call_target_clobbered: |
629e7ca8 | 2562 | case DW_AT_GNU_call_site_target_clobbered: |
212b6063 | 2563 | if ((dwarf_version < 4 |
b4eb7656 | 2564 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 2565 | || form == DW_FORM_sec_offset) |
2e9e81a8 | 2566 | printf (_(" (location list)")); |
e2a0d921 | 2567 | /* Fall through. */ |
19e6b90e L |
2568 | case DW_AT_allocated: |
2569 | case DW_AT_associated: | |
2570 | case DW_AT_data_location: | |
2571 | case DW_AT_stride: | |
2572 | case DW_AT_upper_bound: | |
cecf136e | 2573 | case DW_AT_lower_bound: |
19e6b90e L |
2574 | if (block_start) |
2575 | { | |
2576 | int need_frame_base; | |
2577 | ||
2e9e81a8 | 2578 | printf ("\t("); |
19e6b90e L |
2579 | need_frame_base = decode_location_expression (block_start, |
2580 | pointer_size, | |
b7807392 JJ |
2581 | offset_size, |
2582 | dwarf_version, | |
19e6b90e | 2583 | uvalue, |
f1c4cc75 | 2584 | cu_offset, section); |
19e6b90e L |
2585 | printf (")"); |
2586 | if (need_frame_base && !have_frame_base) | |
2587 | printf (_(" [without DW_AT_frame_base]")); | |
2588 | } | |
19e6b90e L |
2589 | break; |
2590 | ||
ec4d4525 NC |
2591 | case DW_AT_import: |
2592 | { | |
a081f3cd JJ |
2593 | if (form == DW_FORM_ref_sig8 |
2594 | || form == DW_FORM_GNU_ref_alt) | |
b4eb7656 | 2595 | break; |
2b6f5997 | 2596 | |
ec4d4525 NC |
2597 | if (form == DW_FORM_ref1 |
2598 | || form == DW_FORM_ref2 | |
a7a0b6a5 JK |
2599 | || form == DW_FORM_ref4 |
2600 | || form == DW_FORM_ref_udata) | |
ec4d4525 NC |
2601 | uvalue += cu_offset; |
2602 | ||
6e3d6dc1 | 2603 | if (uvalue >= section->size) |
f3853b34 | 2604 | warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset 0x%lx is too big.\n"), |
47704ddf KT |
2605 | dwarf_vmatoa ("x", uvalue), |
2606 | (unsigned long) (orig_data - section->start)); | |
6e3d6dc1 NC |
2607 | else |
2608 | { | |
2609 | unsigned long abbrev_number; | |
2610 | abbrev_entry * entry; | |
2611 | ||
f6f0e17b | 2612 | abbrev_number = read_uleb128 (section->start + uvalue, NULL, end); |
cecf136e | 2613 | |
2e9e81a8 | 2614 | printf (_("\t[Abbrev Number: %ld"), abbrev_number); |
afd6e1ff JJ |
2615 | /* Don't look up abbrev for DW_FORM_ref_addr, as it very often will |
2616 | use different abbrev table, and we don't track .debug_info chunks | |
2617 | yet. */ | |
2618 | if (form != DW_FORM_ref_addr) | |
2619 | { | |
2620 | for (entry = first_abbrev; entry != NULL; entry = entry->next) | |
2621 | if (entry->entry == abbrev_number) | |
2622 | break; | |
2623 | if (entry != NULL) | |
2624 | printf (" (%s)", get_TAG_name (entry->tag)); | |
2625 | } | |
6e3d6dc1 NC |
2626 | printf ("]"); |
2627 | } | |
ec4d4525 NC |
2628 | } |
2629 | break; | |
2630 | ||
19e6b90e L |
2631 | default: |
2632 | break; | |
2633 | } | |
2634 | ||
2635 | return data; | |
2636 | } | |
2637 | ||
19e6b90e | 2638 | static unsigned char * |
dda8d76d NC |
2639 | read_and_display_attr (unsigned long attribute, |
2640 | unsigned long form, | |
2641 | dwarf_signed_vma implicit_const, | |
2642 | unsigned char * data, | |
2643 | unsigned char * end, | |
2644 | dwarf_vma cu_offset, | |
2645 | dwarf_vma pointer_size, | |
2646 | dwarf_vma offset_size, | |
2647 | int dwarf_version, | |
2648 | debug_info * debug_info_p, | |
2649 | int do_loc, | |
2650 | struct dwarf_section * section, | |
2651 | struct cu_tu_set * this_set) | |
19e6b90e L |
2652 | { |
2653 | if (!do_loc) | |
750f03b7 | 2654 | printf (" %-18s:", get_AT_name (attribute)); |
77145576 | 2655 | data = read_and_display_attr_value (attribute, form, implicit_const, data, end, |
f6f0e17b | 2656 | cu_offset, pointer_size, offset_size, |
19e6b90e | 2657 | dwarf_version, debug_info_p, |
ef0b5f1c | 2658 | do_loc, section, this_set, ' '); |
19e6b90e L |
2659 | if (!do_loc) |
2660 | printf ("\n"); | |
2661 | return data; | |
2662 | } | |
2663 | ||
dda8d76d NC |
2664 | /* Like load_debug_section, but if the ordinary call fails, and we are |
2665 | following debug links, and we have been able to load a separate debug | |
2666 | info file, then attempt to load the requested section from the separate | |
2667 | file. */ | |
2668 | ||
2669 | static bfd_boolean | |
2670 | load_debug_section_with_follow (enum dwarf_section_display_enum sec_enum, | |
2671 | void * data) | |
2672 | { | |
2673 | if (load_debug_section (sec_enum, data)) | |
2674 | { | |
2675 | if (data == separate_debug_file) | |
2676 | debug_displays[sec_enum].section.filename = separate_debug_filename; | |
2677 | ||
2678 | /* FIXME: We should check to see if there is a separate debug info file | |
2679 | that also contains this section, and if so, issue a warning. */ | |
2680 | return TRUE; | |
2681 | } | |
2682 | ||
2683 | if (do_follow_links && separate_debug_file != NULL) | |
2684 | if (load_debug_section (sec_enum, separate_debug_file)) | |
2685 | { | |
2686 | debug_displays[sec_enum].section.filename = separate_debug_filename; | |
2687 | return TRUE; | |
2688 | } | |
2689 | ||
2690 | return FALSE; | |
2691 | } | |
2692 | ||
2693 | static void | |
2694 | introduce (struct dwarf_section * section, bfd_boolean raw) | |
2695 | { | |
2696 | if (raw) | |
2697 | { | |
2698 | if (do_follow_links && section->filename) | |
2699 | printf (_("Raw dump of debug contents of section %s (loaded from %s):\n\n"), | |
2700 | section->name, section->filename); | |
2701 | else | |
2702 | printf (_("Raw dump of debug contents of section %s:\n\n"), section->name); | |
2703 | } | |
2704 | else | |
2705 | { | |
2706 | if (do_follow_links && section->filename) | |
2707 | printf (_("Contents of the %s section (loaded from %s):\n\n"), | |
2708 | section->name, section->filename); | |
2709 | else | |
2710 | printf (_("Contents of the %s section:\n\n"), section->name); | |
2711 | } | |
2712 | } | |
2713 | ||
d85bf2ba NC |
2714 | /* Process the contents of a .debug_info section. |
2715 | If do_loc is TRUE then we are scanning for location lists and dwo tags | |
2716 | and we do not want to display anything to the user. | |
2717 | If do_types is TRUE, we are processing a .debug_types section instead of | |
2718 | a .debug_info section. | |
2719 | The information displayed is restricted by the values in DWARF_START_DIE | |
2720 | and DWARF_CUTOFF_LEVEL. | |
2721 | Returns TRUE upon success. Otherwise an error or warning message is | |
2722 | printed and FALSE is returned. */ | |
19e6b90e | 2723 | |
d85bf2ba NC |
2724 | static bfd_boolean |
2725 | process_debug_info (struct dwarf_section * section, | |
2726 | void * file, | |
2727 | enum dwarf_section_display_enum abbrev_sec, | |
2728 | bfd_boolean do_loc, | |
2729 | bfd_boolean do_types) | |
19e6b90e L |
2730 | { |
2731 | unsigned char *start = section->start; | |
2732 | unsigned char *end = start + section->size; | |
2733 | unsigned char *section_begin; | |
2734 | unsigned int unit; | |
2735 | unsigned int num_units = 0; | |
2736 | ||
2737 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
2738 | && num_debug_info_entries == 0 |
2739 | && ! do_types) | |
19e6b90e | 2740 | { |
767221a9 | 2741 | dwarf_vma length; |
19e6b90e L |
2742 | |
2743 | /* First scan the section to get the number of comp units. */ | |
2744 | for (section_begin = start, num_units = 0; section_begin < end; | |
2745 | num_units ++) | |
2746 | { | |
2747 | /* Read the first 4 bytes. For a 32-bit DWARF section, this | |
2748 | will be the length. For a 64-bit DWARF section, it'll be | |
2749 | the escape code 0xffffffff followed by an 8 byte length. */ | |
0c588247 | 2750 | SAFE_BYTE_GET (length, section_begin, 4, end); |
19e6b90e L |
2751 | |
2752 | if (length == 0xffffffff) | |
2753 | { | |
0c588247 | 2754 | SAFE_BYTE_GET (length, section_begin + 4, 8, end); |
19e6b90e L |
2755 | section_begin += length + 12; |
2756 | } | |
ec4d4525 NC |
2757 | else if (length >= 0xfffffff0 && length < 0xffffffff) |
2758 | { | |
767221a9 NC |
2759 | warn (_("Reserved length value (0x%s) found in section %s\n"), |
2760 | dwarf_vmatoa ("x", length), section->name); | |
d85bf2ba | 2761 | return FALSE; |
ec4d4525 | 2762 | } |
19e6b90e L |
2763 | else |
2764 | section_begin += length + 4; | |
aca88567 NC |
2765 | |
2766 | /* Negative values are illegal, they may even cause infinite | |
2767 | looping. This can happen if we can't accurately apply | |
f3853b34 NC |
2768 | relocations to an object file, or if the file is corrupt. */ |
2769 | if ((signed long) length <= 0 || section_begin < start) | |
aca88567 | 2770 | { |
767221a9 NC |
2771 | warn (_("Corrupt unit length (0x%s) found in section %s\n"), |
2772 | dwarf_vmatoa ("x", length), section->name); | |
d85bf2ba | 2773 | return FALSE; |
aca88567 | 2774 | } |
19e6b90e L |
2775 | } |
2776 | ||
2777 | if (num_units == 0) | |
2778 | { | |
f41e4712 | 2779 | error (_("No comp units in %s section ?\n"), section->name); |
d85bf2ba | 2780 | return FALSE; |
19e6b90e L |
2781 | } |
2782 | ||
2783 | /* Then allocate an array to hold the information. */ | |
3f5e193b | 2784 | debug_information = (debug_info *) cmalloc (num_units, |
1306a742 | 2785 | sizeof (* debug_information)); |
19e6b90e L |
2786 | if (debug_information == NULL) |
2787 | { | |
f41e4712 | 2788 | error (_("Not enough memory for a debug info array of %u entries\n"), |
19e6b90e | 2789 | num_units); |
82b1b41b | 2790 | alloc_num_debug_info_entries = num_debug_info_entries = 0; |
d85bf2ba | 2791 | return FALSE; |
19e6b90e | 2792 | } |
d85bf2ba | 2793 | |
03a91817 NC |
2794 | /* PR 17531: file: 92ca3797. |
2795 | We cannot rely upon the debug_information array being initialised | |
2796 | before it is used. A corrupt file could easily contain references | |
2797 | to a unit for which information has not been made available. So | |
2798 | we ensure that the array is zeroed here. */ | |
b4eb7656 AM |
2799 | memset (debug_information, 0, num_units * sizeof (*debug_information)); |
2800 | ||
82b1b41b | 2801 | alloc_num_debug_info_entries = num_units; |
19e6b90e L |
2802 | } |
2803 | ||
2804 | if (!do_loc) | |
2805 | { | |
dda8d76d NC |
2806 | load_debug_section_with_follow (str, file); |
2807 | load_debug_section_with_follow (line_str, file); | |
2808 | load_debug_section_with_follow (str_dwo, file); | |
2809 | load_debug_section_with_follow (str_index, file); | |
2810 | load_debug_section_with_follow (str_index_dwo, file); | |
2811 | load_debug_section_with_follow (debug_addr, file); | |
19e6b90e L |
2812 | } |
2813 | ||
dda8d76d | 2814 | load_debug_section_with_follow (abbrev_sec, file); |
6f875884 | 2815 | if (debug_displays [abbrev_sec].section.start == NULL) |
19e6b90e L |
2816 | { |
2817 | warn (_("Unable to locate %s section!\n"), | |
dda8d76d | 2818 | debug_displays [abbrev_sec].section.uncompressed_name); |
d85bf2ba | 2819 | return FALSE; |
19e6b90e L |
2820 | } |
2821 | ||
dda8d76d NC |
2822 | if (!do_loc && dwarf_start_die == 0) |
2823 | introduce (section, FALSE); | |
2824 | ||
19e6b90e L |
2825 | for (section_begin = start, unit = 0; start < end; unit++) |
2826 | { | |
2827 | DWARF2_Internal_CompUnit compunit; | |
2828 | unsigned char *hdrptr; | |
19e6b90e | 2829 | unsigned char *tags; |
fd2f0033 | 2830 | int level, last_level, saved_level; |
467c65bc | 2831 | dwarf_vma cu_offset; |
e98fdf1a | 2832 | unsigned long sec_off; |
bf5117e3 | 2833 | unsigned int offset_size; |
19485196 | 2834 | unsigned int initial_length_size; |
74bc6052 CC |
2835 | dwarf_vma signature_high = 0; |
2836 | dwarf_vma signature_low = 0; | |
767221a9 | 2837 | dwarf_vma type_offset = 0; |
341f9135 CC |
2838 | struct cu_tu_set *this_set; |
2839 | dwarf_vma abbrev_base; | |
2840 | size_t abbrev_size; | |
19e6b90e L |
2841 | |
2842 | hdrptr = start; | |
2843 | ||
0c588247 | 2844 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end); |
19e6b90e L |
2845 | |
2846 | if (compunit.cu_length == 0xffffffff) | |
2847 | { | |
0c588247 | 2848 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end); |
19e6b90e L |
2849 | offset_size = 8; |
2850 | initial_length_size = 12; | |
2851 | } | |
2852 | else | |
2853 | { | |
2854 | offset_size = 4; | |
2855 | initial_length_size = 4; | |
2856 | } | |
2857 | ||
0c588247 | 2858 | SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end); |
19e6b90e L |
2859 | |
2860 | cu_offset = start - section_begin; | |
19e6b90e | 2861 | |
341f9135 CC |
2862 | this_set = find_cu_tu_set_v2 (cu_offset, do_types); |
2863 | ||
77145576 JK |
2864 | if (compunit.cu_version < 5) |
2865 | { | |
2866 | compunit.cu_unit_type = DW_UT_compile; | |
2867 | /* Initialize it due to a false compiler warning. */ | |
2868 | compunit.cu_pointer_size = -1; | |
2869 | } | |
2870 | else | |
2871 | { | |
2872 | SAFE_BYTE_GET_AND_INC (compunit.cu_unit_type, hdrptr, 1, end); | |
2873 | do_types = (compunit.cu_unit_type == DW_UT_type); | |
2874 | ||
2875 | SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end); | |
2876 | } | |
2877 | ||
0c588247 | 2878 | SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end); |
19e6b90e | 2879 | |
341f9135 CC |
2880 | if (this_set == NULL) |
2881 | { | |
2882 | abbrev_base = 0; | |
2883 | abbrev_size = debug_displays [abbrev_sec].section.size; | |
2884 | } | |
2885 | else | |
2886 | { | |
2887 | abbrev_base = this_set->section_offsets [DW_SECT_ABBREV]; | |
2888 | abbrev_size = this_set->section_sizes [DW_SECT_ABBREV]; | |
2889 | } | |
2890 | ||
77145576 JK |
2891 | if (compunit.cu_version < 5) |
2892 | SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end); | |
2893 | ||
f41e4712 NC |
2894 | /* PR 17512: file: 001-108546-0.001:0.1. */ |
2895 | if (compunit.cu_pointer_size < 2 || compunit.cu_pointer_size > 8) | |
2896 | { | |
2897 | warn (_("Invalid pointer size (%d) in compunit header, using %d instead\n"), | |
2898 | compunit.cu_pointer_size, offset_size); | |
2899 | compunit.cu_pointer_size = offset_size; | |
2900 | } | |
2b6f5997 CC |
2901 | |
2902 | if (do_types) | |
b4eb7656 | 2903 | { |
0c588247 | 2904 | SAFE_BYTE_GET64 (hdrptr, &signature_high, &signature_low, end); |
f048b142 | 2905 | hdrptr += 8; |
0c588247 | 2906 | SAFE_BYTE_GET_AND_INC (type_offset, hdrptr, offset_size, end); |
b4eb7656 | 2907 | } |
2b6f5997 | 2908 | |
ae7e7825 NC |
2909 | if (dwarf_start_die > (cu_offset + compunit.cu_length |
2910 | + initial_length_size)) | |
2911 | { | |
2912 | start = section_begin + cu_offset + compunit.cu_length | |
2913 | + initial_length_size; | |
2914 | continue; | |
2915 | } | |
2916 | ||
19e6b90e | 2917 | if ((do_loc || do_debug_loc || do_debug_ranges) |
2b6f5997 CC |
2918 | && num_debug_info_entries == 0 |
2919 | && ! do_types) | |
19e6b90e L |
2920 | { |
2921 | debug_information [unit].cu_offset = cu_offset; | |
2922 | debug_information [unit].pointer_size | |
2923 | = compunit.cu_pointer_size; | |
b7807392 JJ |
2924 | debug_information [unit].offset_size = offset_size; |
2925 | debug_information [unit].dwarf_version = compunit.cu_version; | |
19e6b90e | 2926 | debug_information [unit].base_address = 0; |
4723351a CC |
2927 | debug_information [unit].addr_base = DEBUG_INFO_UNAVAILABLE; |
2928 | debug_information [unit].ranges_base = DEBUG_INFO_UNAVAILABLE; | |
19e6b90e L |
2929 | debug_information [unit].loc_offsets = NULL; |
2930 | debug_information [unit].have_frame_base = NULL; | |
2931 | debug_information [unit].max_loc_offsets = 0; | |
2932 | debug_information [unit].num_loc_offsets = 0; | |
2933 | debug_information [unit].range_lists = NULL; | |
2934 | debug_information [unit].max_range_lists= 0; | |
2935 | debug_information [unit].num_range_lists = 0; | |
2936 | } | |
2937 | ||
fd2f0033 | 2938 | if (!do_loc && dwarf_start_die == 0) |
19e6b90e | 2939 | { |
47704ddf KT |
2940 | printf (_(" Compilation Unit @ offset 0x%s:\n"), |
2941 | dwarf_vmatoa ("x", cu_offset)); | |
2942 | printf (_(" Length: 0x%s (%s)\n"), | |
2943 | dwarf_vmatoa ("x", compunit.cu_length), | |
49e7b350 | 2944 | offset_size == 8 ? "64-bit" : "32-bit"); |
19e6b90e | 2945 | printf (_(" Version: %d\n"), compunit.cu_version); |
7282333f AM |
2946 | printf (_(" Abbrev Offset: 0x%s\n"), |
2947 | dwarf_vmatoa ("x", compunit.cu_abbrev_offset)); | |
19e6b90e | 2948 | printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size); |
2b6f5997 CC |
2949 | if (do_types) |
2950 | { | |
74bc6052 CC |
2951 | char buf[64]; |
2952 | ||
2953 | printf (_(" Signature: 0x%s\n"), | |
2954 | dwarf_vmatoa64 (signature_high, signature_low, | |
2955 | buf, sizeof (buf))); | |
2956 | printf (_(" Type Offset: 0x%s\n"), | |
2957 | dwarf_vmatoa ("x", type_offset)); | |
2b6f5997 | 2958 | } |
341f9135 CC |
2959 | if (this_set != NULL) |
2960 | { | |
2961 | dwarf_vma *offsets = this_set->section_offsets; | |
2962 | size_t *sizes = this_set->section_sizes; | |
2963 | ||
2964 | printf (_(" Section contributions:\n")); | |
2965 | printf (_(" .debug_abbrev.dwo: 0x%s 0x%s\n"), | |
2966 | dwarf_vmatoa ("x", offsets [DW_SECT_ABBREV]), | |
2967 | dwarf_vmatoa ("x", sizes [DW_SECT_ABBREV])); | |
2968 | printf (_(" .debug_line.dwo: 0x%s 0x%s\n"), | |
2969 | dwarf_vmatoa ("x", offsets [DW_SECT_LINE]), | |
2970 | dwarf_vmatoa ("x", sizes [DW_SECT_LINE])); | |
2971 | printf (_(" .debug_loc.dwo: 0x%s 0x%s\n"), | |
2972 | dwarf_vmatoa ("x", offsets [DW_SECT_LOC]), | |
2973 | dwarf_vmatoa ("x", sizes [DW_SECT_LOC])); | |
2974 | printf (_(" .debug_str_offsets.dwo: 0x%s 0x%s\n"), | |
2975 | dwarf_vmatoa ("x", offsets [DW_SECT_STR_OFFSETS]), | |
2976 | dwarf_vmatoa ("x", sizes [DW_SECT_STR_OFFSETS])); | |
2977 | } | |
19e6b90e L |
2978 | } |
2979 | ||
e98fdf1a AM |
2980 | sec_off = cu_offset + initial_length_size; |
2981 | if (sec_off + compunit.cu_length < sec_off | |
2982 | || sec_off + compunit.cu_length > section->size) | |
460c89ff | 2983 | { |
e98fdf1a AM |
2984 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), |
2985 | section->name, | |
2986 | (unsigned long) cu_offset, | |
19485196 NC |
2987 | dwarf_vmatoa ("x", compunit.cu_length)); |
2988 | num_units = unit; | |
2989 | break; | |
2990 | } | |
2991 | ||
460c89ff NS |
2992 | tags = hdrptr; |
2993 | start += compunit.cu_length + initial_length_size; | |
2994 | ||
77145576 | 2995 | if (compunit.cu_version < 2 || compunit.cu_version > 5) |
19e6b90e | 2996 | { |
47704ddf KT |
2997 | warn (_("CU at offset %s contains corrupt or " |
2998 | "unsupported version number: %d.\n"), | |
2999 | dwarf_vmatoa ("x", cu_offset), compunit.cu_version); | |
19e6b90e L |
3000 | continue; |
3001 | } | |
3002 | ||
77145576 JK |
3003 | if (compunit.cu_unit_type != DW_UT_compile |
3004 | && compunit.cu_unit_type != DW_UT_type) | |
3005 | { | |
3006 | warn (_("CU at offset %s contains corrupt or " | |
3007 | "unsupported unit type: %d.\n"), | |
3008 | dwarf_vmatoa ("x", cu_offset), compunit.cu_unit_type); | |
3009 | continue; | |
3010 | } | |
3011 | ||
19e6b90e L |
3012 | free_abbrevs (); |
3013 | ||
d493b283 | 3014 | /* Process the abbrevs used by this compilation unit. */ |
341f9135 | 3015 | if (compunit.cu_abbrev_offset >= abbrev_size) |
ec4d4525 NC |
3016 | warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"), |
3017 | (unsigned long) compunit.cu_abbrev_offset, | |
341f9135 | 3018 | (unsigned long) abbrev_size); |
b4eb7656 | 3019 | /* PR 17531: file:4bcd9ce9. */ |
a0a3b04c L |
3020 | else if ((abbrev_base + abbrev_size) |
3021 | > debug_displays [abbrev_sec].section.size) | |
3022 | warn (_("Debug info is corrupted, abbrev size (%lx) is larger than abbrev section size (%lx)\n"), | |
3023 | (unsigned long) abbrev_base + abbrev_size, | |
3024 | (unsigned long) debug_displays [abbrev_sec].section.size); | |
460c89ff NS |
3025 | else |
3026 | process_abbrev_section | |
341f9135 CC |
3027 | (((unsigned char *) debug_displays [abbrev_sec].section.start |
3028 | + abbrev_base + compunit.cu_abbrev_offset), | |
3029 | ((unsigned char *) debug_displays [abbrev_sec].section.start | |
3030 | + abbrev_base + abbrev_size)); | |
19e6b90e L |
3031 | |
3032 | level = 0; | |
fd2f0033 TT |
3033 | last_level = level; |
3034 | saved_level = -1; | |
19e6b90e L |
3035 | while (tags < start) |
3036 | { | |
3037 | unsigned int bytes_read; | |
3038 | unsigned long abbrev_number; | |
ec4d4525 | 3039 | unsigned long die_offset; |
19e6b90e L |
3040 | abbrev_entry *entry; |
3041 | abbrev_attr *attr; | |
fd2f0033 | 3042 | int do_printing = 1; |
19e6b90e | 3043 | |
ec4d4525 NC |
3044 | die_offset = tags - section_begin; |
3045 | ||
f6f0e17b | 3046 | abbrev_number = read_uleb128 (tags, & bytes_read, start); |
19e6b90e L |
3047 | tags += bytes_read; |
3048 | ||
eb7cc021 JK |
3049 | /* A null DIE marks the end of a list of siblings or it may also be |
3050 | a section padding. */ | |
19e6b90e L |
3051 | if (abbrev_number == 0) |
3052 | { | |
eb7cc021 JK |
3053 | /* Check if it can be a section padding for the last CU. */ |
3054 | if (level == 0 && start == end) | |
3055 | { | |
3056 | unsigned char *chk; | |
3057 | ||
3058 | for (chk = tags; chk < start; chk++) | |
3059 | if (*chk != 0) | |
3060 | break; | |
3061 | if (chk == start) | |
3062 | break; | |
3063 | } | |
3064 | ||
4337774f TT |
3065 | if (!do_loc && die_offset >= dwarf_start_die |
3066 | && (dwarf_cutoff_level == -1 | |
3067 | || level < dwarf_cutoff_level)) | |
399c99f7 L |
3068 | printf (_(" <%d><%lx>: Abbrev Number: 0\n"), |
3069 | level, die_offset); | |
3070 | ||
19e6b90e | 3071 | --level; |
ec4d4525 NC |
3072 | if (level < 0) |
3073 | { | |
3074 | static unsigned num_bogus_warns = 0; | |
3075 | ||
3076 | if (num_bogus_warns < 3) | |
3077 | { | |
4723351a CC |
3078 | warn (_("Bogus end-of-siblings marker detected at offset %lx in %s section\n"), |
3079 | die_offset, section->name); | |
ec4d4525 NC |
3080 | num_bogus_warns ++; |
3081 | if (num_bogus_warns == 3) | |
3082 | warn (_("Further warnings about bogus end-of-sibling markers suppressed\n")); | |
3083 | } | |
3084 | } | |
fd2f0033 | 3085 | if (dwarf_start_die != 0 && level < saved_level) |
d85bf2ba | 3086 | return TRUE; |
19e6b90e L |
3087 | continue; |
3088 | } | |
3089 | ||
4b78141a | 3090 | if (!do_loc) |
fd2f0033 TT |
3091 | { |
3092 | if (dwarf_start_die != 0 && die_offset < dwarf_start_die) | |
3093 | do_printing = 0; | |
3094 | else | |
3095 | { | |
3096 | if (dwarf_start_die != 0 && die_offset == dwarf_start_die) | |
3097 | saved_level = level; | |
3098 | do_printing = (dwarf_cutoff_level == -1 | |
3099 | || level < dwarf_cutoff_level); | |
3100 | if (do_printing) | |
3101 | printf (_(" <%d><%lx>: Abbrev Number: %lu"), | |
3102 | level, die_offset, abbrev_number); | |
3103 | else if (dwarf_cutoff_level == -1 | |
3104 | || last_level < dwarf_cutoff_level) | |
3105 | printf (_(" <%d><%lx>: ...\n"), level, die_offset); | |
3106 | last_level = level; | |
3107 | } | |
3108 | } | |
cecf136e | 3109 | |
19e6b90e L |
3110 | /* Scan through the abbreviation list until we reach the |
3111 | correct entry. */ | |
3112 | for (entry = first_abbrev; | |
3113 | entry && entry->entry != abbrev_number; | |
3114 | entry = entry->next) | |
3115 | continue; | |
3116 | ||
3117 | if (entry == NULL) | |
3118 | { | |
fd2f0033 | 3119 | if (!do_loc && do_printing) |
4b78141a NC |
3120 | { |
3121 | printf ("\n"); | |
3122 | fflush (stdout); | |
3123 | } | |
f3853b34 | 3124 | warn (_("DIE at offset 0x%lx refers to abbreviation number %lu which does not exist\n"), |
cc86f28f | 3125 | die_offset, abbrev_number); |
d85bf2ba | 3126 | return FALSE; |
19e6b90e L |
3127 | } |
3128 | ||
fd2f0033 | 3129 | if (!do_loc && do_printing) |
cc5914eb | 3130 | printf (" (%s)\n", get_TAG_name (entry->tag)); |
cecf136e | 3131 | |
19e6b90e L |
3132 | switch (entry->tag) |
3133 | { | |
3134 | default: | |
3135 | need_base_address = 0; | |
3136 | break; | |
3137 | case DW_TAG_compile_unit: | |
d85bf2ba NC |
3138 | need_base_address = 1; |
3139 | need_dwo_info = do_loc; | |
19e6b90e L |
3140 | break; |
3141 | case DW_TAG_entry_point: | |
19e6b90e L |
3142 | case DW_TAG_subprogram: |
3143 | need_base_address = 0; | |
3144 | /* Assuming that there is no DW_AT_frame_base. */ | |
3145 | have_frame_base = 0; | |
3146 | break; | |
3147 | } | |
3148 | ||
9f272209 AO |
3149 | debug_info *debug_info_p = |
3150 | (debug_information && unit < alloc_num_debug_info_entries) | |
3151 | ? debug_information + unit : NULL; | |
3152 | ||
3153 | assert (!debug_info_p | |
3154 | || (debug_info_p->num_loc_offsets | |
3155 | == debug_info_p->num_loc_views)); | |
3156 | ||
399c99f7 L |
3157 | for (attr = entry->first_attr; |
3158 | attr && attr->attribute; | |
3159 | attr = attr->next) | |
4b78141a | 3160 | { |
fd2f0033 | 3161 | if (! do_loc && do_printing) |
4b78141a | 3162 | /* Show the offset from where the tag was extracted. */ |
fd2f0033 TT |
3163 | printf (" <%lx>", (unsigned long)(tags - section_begin)); |
3164 | ||
4b78141a NC |
3165 | tags = read_and_display_attr (attr->attribute, |
3166 | attr->form, | |
77145576 | 3167 | attr->implicit_const, |
341f9135 | 3168 | tags, |
f6f0e17b | 3169 | end, |
341f9135 | 3170 | cu_offset, |
4b78141a NC |
3171 | compunit.cu_pointer_size, |
3172 | offset_size, | |
3173 | compunit.cu_version, | |
9f272209 | 3174 | debug_info_p, |
341f9135 CC |
3175 | do_loc || ! do_printing, |
3176 | section, | |
3177 | this_set); | |
4b78141a | 3178 | } |
cecf136e | 3179 | |
9f272209 AO |
3180 | /* If a locview attribute appears before a location one, |
3181 | make sure we don't associate it with an earlier | |
3182 | loclist. */ | |
3183 | if (debug_info_p) | |
3184 | switch (debug_info_p->num_loc_offsets - debug_info_p->num_loc_views) | |
3185 | { | |
3186 | case 1: | |
3187 | debug_info_p->loc_views [debug_info_p->num_loc_views] = vm1; | |
3188 | debug_info_p->num_loc_views++; | |
3189 | assert (debug_info_p->num_loc_views | |
3190 | == debug_info_p->num_loc_offsets); | |
3191 | break; | |
3192 | ||
3193 | case 0: | |
3194 | break; | |
3195 | ||
3196 | case -1: | |
3197 | warn(_("DIE has locviews without loclist\n")); | |
3198 | debug_info_p->num_loc_views--; | |
3199 | break; | |
3200 | ||
3201 | default: | |
3202 | assert (0); | |
3203 | } | |
3204 | ||
b4eb7656 AM |
3205 | if (entry->children) |
3206 | ++level; | |
3207 | } | |
19e6b90e | 3208 | } |
cecf136e | 3209 | |
19e6b90e L |
3210 | /* Set num_debug_info_entries here so that it can be used to check if |
3211 | we need to process .debug_loc and .debug_ranges sections. */ | |
3212 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
3213 | && num_debug_info_entries == 0 |
3214 | && ! do_types) | |
82b1b41b | 3215 | { |
b4eb7656 | 3216 | if (num_units > alloc_num_debug_info_entries) |
82b1b41b NC |
3217 | num_debug_info_entries = alloc_num_debug_info_entries; |
3218 | else | |
3219 | num_debug_info_entries = num_units; | |
3220 | } | |
cecf136e | 3221 | |
19e6b90e | 3222 | if (!do_loc) |
467c65bc | 3223 | printf ("\n"); |
cecf136e | 3224 | |
d85bf2ba | 3225 | return TRUE; |
19e6b90e L |
3226 | } |
3227 | ||
3228 | /* Locate and scan the .debug_info section in the file and record the pointer | |
3229 | sizes and offsets for the compilation units in it. Usually an executable | |
3230 | will have just one pointer size, but this is not guaranteed, and so we try | |
3231 | not to make any assumptions. Returns zero upon failure, or the number of | |
3232 | compilation units upon success. */ | |
3233 | ||
3234 | static unsigned int | |
3235 | load_debug_info (void * file) | |
3236 | { | |
1febe64d | 3237 | /* If we have already tried and failed to load the .debug_info |
657d0d47 | 3238 | section then do not bother to repeat the task. */ |
cc86f28f | 3239 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) |
1febe64d NC |
3240 | return 0; |
3241 | ||
19e6b90e L |
3242 | /* If we already have the information there is nothing else to do. */ |
3243 | if (num_debug_info_entries > 0) | |
3244 | return num_debug_info_entries; | |
3245 | ||
341f9135 | 3246 | /* If this is a DWARF package file, load the CU and TU indexes. */ |
43a444f9 | 3247 | (void) load_cu_tu_indexes (file); |
341f9135 | 3248 | |
dda8d76d | 3249 | if (load_debug_section_with_follow (info, file) |
d85bf2ba | 3250 | && process_debug_info (&debug_displays [info].section, file, abbrev, TRUE, FALSE)) |
19e6b90e | 3251 | return num_debug_info_entries; |
82b1b41b | 3252 | |
dda8d76d | 3253 | if (load_debug_section_with_follow (info_dwo, file) |
82b1b41b | 3254 | && process_debug_info (&debug_displays [info_dwo].section, file, |
d85bf2ba | 3255 | abbrev_dwo, TRUE, FALSE)) |
4723351a | 3256 | return num_debug_info_entries; |
1febe64d | 3257 | |
cc86f28f | 3258 | num_debug_info_entries = DEBUG_INFO_UNAVAILABLE; |
1febe64d | 3259 | return 0; |
19e6b90e L |
3260 | } |
3261 | ||
b40bf0a2 NC |
3262 | /* Read a DWARF .debug_line section header starting at DATA. |
3263 | Upon success returns an updated DATA pointer and the LINFO | |
3264 | structure and the END_OF_SEQUENCE pointer will be filled in. | |
3265 | Otherwise returns NULL. */ | |
19e6b90e | 3266 | |
b40bf0a2 NC |
3267 | static unsigned char * |
3268 | read_debug_line_header (struct dwarf_section * section, | |
3269 | unsigned char * data, | |
3270 | unsigned char * end, | |
3271 | DWARF2_Internal_LineInfo * linfo, | |
3272 | unsigned char ** end_of_sequence) | |
3273 | { | |
3274 | unsigned char *hdrptr; | |
b40bf0a2 | 3275 | unsigned int initial_length_size; |
77145576 | 3276 | unsigned char address_size, segment_selector_size; |
19e6b90e | 3277 | |
b40bf0a2 NC |
3278 | /* Extract information from the Line Number Program Header. |
3279 | (section 6.2.4 in the Dwarf3 doc). */ | |
6937bb54 | 3280 | hdrptr = data; |
19e6b90e | 3281 | |
b40bf0a2 NC |
3282 | /* Get and check the length of the block. */ |
3283 | SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 4, end); | |
19e6b90e | 3284 | |
b40bf0a2 | 3285 | if (linfo->li_length == 0xffffffff) |
f41e4712 NC |
3286 | { |
3287 | /* This section is 64-bit DWARF 3. */ | |
b40bf0a2 | 3288 | SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end); |
77145576 | 3289 | linfo->li_offset_size = 8; |
f41e4712 NC |
3290 | initial_length_size = 12; |
3291 | } | |
3292 | else | |
3293 | { | |
77145576 | 3294 | linfo->li_offset_size = 4; |
f41e4712 NC |
3295 | initial_length_size = 4; |
3296 | } | |
19e6b90e | 3297 | |
b40bf0a2 | 3298 | if (linfo->li_length + initial_length_size > section->size) |
f41e4712 | 3299 | { |
8fcc61b4 NC |
3300 | /* If the length field has a relocation against it, then we should |
3301 | not complain if it is inaccurate (and probably negative). This | |
3302 | happens in object files when the .debug_line section is actually | |
3303 | comprised of several different .debug_line.* sections, (some of | |
3304 | which may be removed by linker garbage collection), and a relocation | |
3305 | is used to compute the correct length once that is done. */ | |
77145576 | 3306 | if (reloc_at (section, (hdrptr - section->start) - linfo->li_offset_size)) |
b40bf0a2 | 3307 | { |
8fcc61b4 | 3308 | linfo->li_length = (end - data) - initial_length_size; |
b40bf0a2 NC |
3309 | } |
3310 | else | |
3311 | { | |
8fcc61b4 NC |
3312 | warn (_("The length field (0x%lx) in the debug_line header is wrong - the section is too small\n"), |
3313 | (long) linfo->li_length); | |
b40bf0a2 NC |
3314 | return NULL; |
3315 | } | |
f41e4712 | 3316 | } |
19e6b90e | 3317 | |
b40bf0a2 NC |
3318 | /* Get and check the version number. */ |
3319 | SAFE_BYTE_GET_AND_INC (linfo->li_version, hdrptr, 2, end); | |
3320 | ||
3321 | if (linfo->li_version != 2 | |
3322 | && linfo->li_version != 3 | |
77145576 JK |
3323 | && linfo->li_version != 4 |
3324 | && linfo->li_version != 5) | |
f41e4712 | 3325 | { |
77145576 JK |
3326 | warn (_("Only DWARF version 2, 3, 4 and 5 line info " |
3327 | "is currently supported.\n")); | |
b40bf0a2 | 3328 | return NULL; |
f41e4712 | 3329 | } |
19e6b90e | 3330 | |
77145576 JK |
3331 | if (linfo->li_version >= 5) |
3332 | { | |
3333 | SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end); | |
3334 | ||
3335 | SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end); | |
3336 | if (segment_selector_size != 0) | |
3337 | { | |
3338 | warn (_("The %s section contains " | |
3339 | "unsupported segment selector size: %d.\n"), | |
3340 | section->name, segment_selector_size); | |
3341 | return 0; | |
3342 | } | |
3343 | } | |
3344 | ||
3345 | SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr, | |
3346 | linfo->li_offset_size, end); | |
b40bf0a2 | 3347 | SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end); |
0c588247 | 3348 | |
b40bf0a2 | 3349 | if (linfo->li_version >= 4) |
f41e4712 | 3350 | { |
b40bf0a2 | 3351 | SAFE_BYTE_GET_AND_INC (linfo->li_max_ops_per_insn, hdrptr, 1, end); |
0c588247 | 3352 | |
b40bf0a2 | 3353 | if (linfo->li_max_ops_per_insn == 0) |
f41e4712 NC |
3354 | { |
3355 | warn (_("Invalid maximum operations per insn.\n")); | |
b40bf0a2 | 3356 | return NULL; |
a233b20c | 3357 | } |
f41e4712 NC |
3358 | } |
3359 | else | |
b40bf0a2 | 3360 | linfo->li_max_ops_per_insn = 1; |
0c588247 | 3361 | |
b40bf0a2 | 3362 | SAFE_BYTE_GET_AND_INC (linfo->li_default_is_stmt, hdrptr, 1, end); |
65879393 | 3363 | SAFE_SIGNED_BYTE_GET_AND_INC (linfo->li_line_base, hdrptr, 1, end); |
b40bf0a2 NC |
3364 | SAFE_BYTE_GET_AND_INC (linfo->li_line_range, hdrptr, 1, end); |
3365 | SAFE_BYTE_GET_AND_INC (linfo->li_opcode_base, hdrptr, 1, end); | |
19e6b90e | 3366 | |
b40bf0a2 | 3367 | * end_of_sequence = data + linfo->li_length + initial_length_size; |
b4eb7656 | 3368 | /* PR 17512: file:002-117414-0.004. */ |
6937bb54 NC |
3369 | if (* end_of_sequence > end) |
3370 | { | |
4c219c2e AM |
3371 | warn (_("Line length %s extends beyond end of section\n"), |
3372 | dwarf_vmatoa ("u", linfo->li_length)); | |
6937bb54 NC |
3373 | * end_of_sequence = end; |
3374 | return NULL; | |
3375 | } | |
3376 | ||
b40bf0a2 NC |
3377 | return hdrptr; |
3378 | } | |
19e6b90e | 3379 | |
77145576 | 3380 | static unsigned char * |
dda8d76d NC |
3381 | display_formatted_table (unsigned char * data, |
3382 | unsigned char * start, | |
3383 | unsigned char * end, | |
3384 | const DWARF2_Internal_LineInfo * linfo, | |
3385 | struct dwarf_section * section, | |
3386 | const char * what) | |
77145576 JK |
3387 | { |
3388 | unsigned char *format_start, format_count, *format, formati; | |
3389 | dwarf_vma data_count, datai; | |
3390 | unsigned int bytes_read, namepass, last_entry = 0; | |
3391 | ||
3392 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); | |
3393 | format_start = data; | |
3394 | for (formati = 0; formati < format_count; formati++) | |
3395 | { | |
3396 | read_uleb128 (data, & bytes_read, end); | |
3397 | data += bytes_read; | |
3398 | read_uleb128 (data, & bytes_read, end); | |
3399 | data += bytes_read; | |
3400 | if (data == end) | |
3401 | { | |
14357de1 | 3402 | warn (_("Corrupt %s format table entry\n"), what); |
77145576 JK |
3403 | return data; |
3404 | } | |
3405 | } | |
3406 | ||
3407 | data_count = read_uleb128 (data, & bytes_read, end); | |
3408 | data += bytes_read; | |
3409 | if (data == end) | |
3410 | { | |
3411 | warn (_("Corrupt %s list\n"), what); | |
3412 | return data; | |
3413 | } | |
3414 | ||
3415 | if (data_count == 0) | |
3416 | { | |
3417 | printf (_("\n The %s Table is empty.\n"), what); | |
3418 | return data; | |
3419 | } | |
3420 | ||
3421 | printf (_("\n The %s Table (offset 0x%lx):\n"), what, | |
3422 | (long)(data - start)); | |
3423 | ||
3424 | printf (_(" Entry")); | |
3425 | /* Delay displaying name as the last entry for better screen layout. */ | |
3426 | for (namepass = 0; namepass < 2; namepass++) | |
3427 | { | |
3428 | format = format_start; | |
3429 | for (formati = 0; formati < format_count; formati++) | |
3430 | { | |
3431 | dwarf_vma content_type; | |
3432 | ||
3433 | content_type = read_uleb128 (format, & bytes_read, end); | |
3434 | format += bytes_read; | |
3435 | if ((content_type == DW_LNCT_path) == (namepass == 1)) | |
3436 | switch (content_type) | |
3437 | { | |
3438 | case DW_LNCT_path: | |
3439 | printf (_("\tName")); | |
3440 | break; | |
3441 | case DW_LNCT_directory_index: | |
3442 | printf (_("\tDir")); | |
3443 | break; | |
3444 | case DW_LNCT_timestamp: | |
3445 | printf (_("\tTime")); | |
3446 | break; | |
3447 | case DW_LNCT_size: | |
3448 | printf (_("\tSize")); | |
3449 | break; | |
3450 | case DW_LNCT_MD5: | |
3451 | printf (_("\tMD5")); | |
3452 | break; | |
3453 | default: | |
3454 | printf (_("\t(Unknown format content type %s)"), | |
3455 | dwarf_vmatoa ("u", content_type)); | |
3456 | } | |
3457 | read_uleb128 (format, & bytes_read, end); | |
3458 | format += bytes_read; | |
3459 | } | |
3460 | } | |
3461 | putchar ('\n'); | |
3462 | ||
3463 | for (datai = 0; datai < data_count; datai++) | |
3464 | { | |
3465 | unsigned char *datapass = data; | |
3466 | ||
3467 | printf (" %d", last_entry++); | |
3468 | /* Delay displaying name as the last entry for better screen layout. */ | |
3469 | for (namepass = 0; namepass < 2; namepass++) | |
3470 | { | |
3471 | format = format_start; | |
3472 | data = datapass; | |
3473 | for (formati = 0; formati < format_count; formati++) | |
3474 | { | |
3475 | dwarf_vma content_type, form; | |
3476 | ||
3477 | content_type = read_uleb128 (format, & bytes_read, end); | |
3478 | format += bytes_read; | |
3479 | form = read_uleb128 (format, & bytes_read, end); | |
3480 | format += bytes_read; | |
3481 | data = read_and_display_attr_value (0, form, 0, data, end, 0, 0, | |
3482 | linfo->li_offset_size, | |
3483 | linfo->li_version, NULL, | |
3484 | ((content_type == DW_LNCT_path) != (namepass == 1)), | |
3485 | section, NULL, '\t'); | |
3486 | } | |
3487 | } | |
3488 | if (data == end) | |
3489 | { | |
3490 | warn (_("Corrupt %s entries list\n"), what); | |
3491 | return data; | |
3492 | } | |
3493 | putchar ('\n'); | |
3494 | } | |
3495 | return data; | |
3496 | } | |
3497 | ||
b40bf0a2 | 3498 | static int |
dda8d76d NC |
3499 | display_debug_lines_raw (struct dwarf_section * section, |
3500 | unsigned char * data, | |
3501 | unsigned char * end, | |
3502 | void * file) | |
b40bf0a2 NC |
3503 | { |
3504 | unsigned char *start = section->start; | |
ba8826a8 | 3505 | int verbose_view = 0; |
19e6b90e | 3506 | |
dda8d76d | 3507 | introduce (section, TRUE); |
19e6b90e | 3508 | |
b40bf0a2 NC |
3509 | while (data < end) |
3510 | { | |
3511 | static DWARF2_Internal_LineInfo saved_linfo; | |
3512 | DWARF2_Internal_LineInfo linfo; | |
3513 | unsigned char *standard_opcodes; | |
3514 | unsigned char *end_of_sequence; | |
fe59e83d | 3515 | int i; |
19e6b90e | 3516 | |
4925cdd7 NC |
3517 | if (const_strneq (section->name, ".debug_line.") |
3518 | /* Note: the following does not apply to .debug_line.dwo sections. | |
3519 | These are full debug_line sections. */ | |
3520 | && strcmp (section->name, ".debug_line.dwo") != 0) | |
19e6b90e | 3521 | { |
b40bf0a2 NC |
3522 | /* Sections named .debug_line.<foo> are fragments of a .debug_line |
3523 | section containing just the Line Number Statements. They are | |
3524 | created by the assembler and intended to be used alongside gcc's | |
3525 | -ffunction-sections command line option. When the linker's | |
3526 | garbage collection decides to discard a .text.<foo> section it | |
3527 | can then also discard the line number information in .debug_line.<foo>. | |
3528 | ||
4925cdd7 | 3529 | Since the section is a fragment it does not have the details |
b40bf0a2 | 3530 | needed to fill out a LineInfo structure, so instead we use the |
4925cdd7 | 3531 | details from the last full debug_line section that we processed. */ |
b40bf0a2 NC |
3532 | end_of_sequence = end; |
3533 | standard_opcodes = NULL; | |
3534 | linfo = saved_linfo; | |
058037d3 NC |
3535 | /* PR 17531: file: 0522b371. */ |
3536 | if (linfo.li_line_range == 0) | |
3537 | { | |
1306a742 | 3538 | warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n")); |
058037d3 NC |
3539 | return 0; |
3540 | } | |
b40bf0a2 | 3541 | reset_state_machine (linfo.li_default_is_stmt); |
19e6b90e | 3542 | } |
19e6b90e L |
3543 | else |
3544 | { | |
b40bf0a2 | 3545 | unsigned char * hdrptr; |
19e6b90e | 3546 | |
b40bf0a2 NC |
3547 | if ((hdrptr = read_debug_line_header (section, data, end, & linfo, |
3548 | & end_of_sequence)) == NULL) | |
3549 | return 0; | |
19e6b90e | 3550 | |
b40bf0a2 NC |
3551 | printf (_(" Offset: 0x%lx\n"), (long)(data - start)); |
3552 | printf (_(" Length: %ld\n"), (long) linfo.li_length); | |
3553 | printf (_(" DWARF Version: %d\n"), linfo.li_version); | |
77ef8654 | 3554 | printf (_(" Prologue Length: %d\n"), (int) linfo.li_prologue_length); |
b40bf0a2 NC |
3555 | printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length); |
3556 | if (linfo.li_version >= 4) | |
3557 | printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn); | |
3558 | printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt); | |
3559 | printf (_(" Line Base: %d\n"), linfo.li_line_base); | |
3560 | printf (_(" Line Range: %d\n"), linfo.li_line_range); | |
3561 | printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base); | |
19e6b90e | 3562 | |
0a9d414a NC |
3563 | /* PR 17512: file: 1665-6428-0.004. */ |
3564 | if (linfo.li_line_range == 0) | |
3565 | { | |
3566 | warn (_("Line range of 0 is invalid, using 1 instead\n")); | |
3567 | linfo.li_line_range = 1; | |
3568 | } | |
77ef8654 | 3569 | |
b40bf0a2 | 3570 | reset_state_machine (linfo.li_default_is_stmt); |
19e6b90e | 3571 | |
b40bf0a2 NC |
3572 | /* Display the contents of the Opcodes table. */ |
3573 | standard_opcodes = hdrptr; | |
19e6b90e | 3574 | |
6937bb54 NC |
3575 | /* PR 17512: file: 002-417945-0.004. */ |
3576 | if (standard_opcodes + linfo.li_opcode_base >= end) | |
3577 | { | |
3578 | warn (_("Line Base extends beyond end of section\n")); | |
3579 | return 0; | |
3580 | } | |
3581 | ||
b40bf0a2 | 3582 | printf (_("\n Opcodes:\n")); |
19e6b90e | 3583 | |
b40bf0a2 | 3584 | for (i = 1; i < linfo.li_opcode_base; i++) |
d3a49aa8 AM |
3585 | printf (ngettext (" Opcode %d has %d arg\n", |
3586 | " Opcode %d has %d args\n", | |
3587 | standard_opcodes[i - 1]), | |
3588 | i, standard_opcodes[i - 1]); | |
19e6b90e | 3589 | |
b40bf0a2 NC |
3590 | /* Display the contents of the Directory table. */ |
3591 | data = standard_opcodes + linfo.li_opcode_base - 1; | |
19e6b90e | 3592 | |
77145576 | 3593 | if (linfo.li_version >= 5) |
b40bf0a2 | 3594 | { |
dda8d76d | 3595 | load_debug_section_with_follow (line_str, file); |
19e6b90e | 3596 | |
77145576 JK |
3597 | data = display_formatted_table (data, start, end, &linfo, section, |
3598 | _("Directory")); | |
3599 | data = display_formatted_table (data, start, end, &linfo, section, | |
3600 | _("File name")); | |
3601 | } | |
3602 | else | |
3603 | { | |
3604 | if (*data == 0) | |
3605 | printf (_("\n The Directory Table is empty.\n")); | |
3606 | else | |
a233b20c | 3607 | { |
77145576 | 3608 | unsigned int last_dir_entry = 0; |
6937bb54 | 3609 | |
77145576 JK |
3610 | printf (_("\n The Directory Table (offset 0x%lx):\n"), |
3611 | (long)(data - start)); | |
19e6b90e | 3612 | |
77145576 JK |
3613 | while (data < end && *data != 0) |
3614 | { | |
3615 | printf (" %d\t%.*s\n", ++last_dir_entry, (int) (end - data), data); | |
19e6b90e | 3616 | |
77145576 JK |
3617 | data += strnlen ((char *) data, end - data) + 1; |
3618 | } | |
19e6b90e | 3619 | |
77145576 JK |
3620 | /* PR 17512: file: 002-132094-0.004. */ |
3621 | if (data >= end - 1) | |
3622 | break; | |
3623 | } | |
19e6b90e | 3624 | |
77145576 JK |
3625 | /* Skip the NUL at the end of the table. */ |
3626 | data++; | |
19e6b90e | 3627 | |
77145576 JK |
3628 | /* Display the contents of the File Name table. */ |
3629 | if (*data == 0) | |
3630 | printf (_("\n The File Name Table is empty.\n")); | |
3631 | else | |
3632 | { | |
3633 | printf (_("\n The File Name Table (offset 0x%lx):\n"), | |
3634 | (long)(data - start)); | |
3635 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); | |
19e6b90e | 3636 | |
77145576 | 3637 | while (data < end && *data != 0) |
b40bf0a2 | 3638 | { |
77145576 JK |
3639 | unsigned char *name; |
3640 | unsigned int bytes_read; | |
3641 | ||
3642 | printf (" %d\t", ++state_machine_regs.last_file_entry); | |
3643 | name = data; | |
3644 | data += strnlen ((char *) data, end - data) + 1; | |
3645 | ||
3646 | printf ("%s\t", | |
3647 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
3648 | data += bytes_read; | |
3649 | printf ("%s\t", | |
3650 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
3651 | data += bytes_read; | |
3652 | printf ("%s\t", | |
3653 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
3654 | data += bytes_read; | |
3655 | printf ("%.*s\n", (int)(end - name), name); | |
3656 | ||
3657 | if (data == end) | |
3658 | { | |
3659 | warn (_("Corrupt file name table entry\n")); | |
3660 | break; | |
3661 | } | |
b40bf0a2 | 3662 | } |
a233b20c | 3663 | } |
77145576 JK |
3664 | |
3665 | /* Skip the NUL at the end of the table. */ | |
3666 | data++; | |
b40bf0a2 | 3667 | } |
19e6b90e | 3668 | |
b40bf0a2 NC |
3669 | putchar ('\n'); |
3670 | saved_linfo = linfo; | |
3671 | } | |
19e6b90e | 3672 | |
b40bf0a2 NC |
3673 | /* Now display the statements. */ |
3674 | if (data >= end_of_sequence) | |
3675 | printf (_(" No Line Number Statements.\n")); | |
3676 | else | |
3677 | { | |
3678 | printf (_(" Line Number Statements:\n")); | |
19e6b90e | 3679 | |
b40bf0a2 NC |
3680 | while (data < end_of_sequence) |
3681 | { | |
3682 | unsigned char op_code; | |
3683 | dwarf_signed_vma adv; | |
3684 | dwarf_vma uladv; | |
3685 | unsigned int bytes_read; | |
19e6b90e | 3686 | |
fe59e83d CC |
3687 | printf (" [0x%08lx]", (long)(data - start)); |
3688 | ||
b40bf0a2 | 3689 | op_code = *data++; |
19e6b90e | 3690 | |
b40bf0a2 | 3691 | if (op_code >= linfo.li_opcode_base) |
19e6b90e | 3692 | { |
b40bf0a2 NC |
3693 | op_code -= linfo.li_opcode_base; |
3694 | uladv = (op_code / linfo.li_line_range); | |
3695 | if (linfo.li_max_ops_per_insn == 1) | |
3696 | { | |
3697 | uladv *= linfo.li_min_insn_length; | |
3698 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
3699 | if (uladv) |
3700 | state_machine_regs.view = 0; | |
b40bf0a2 | 3701 | printf (_(" Special opcode %d: " |
ba8826a8 | 3702 | "advance Address by %s to 0x%s%s"), |
b40bf0a2 | 3703 | op_code, dwarf_vmatoa ("u", uladv), |
ba8826a8 AO |
3704 | dwarf_vmatoa ("x", state_machine_regs.address), |
3705 | verbose_view && uladv | |
3706 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
3707 | } |
3708 | else | |
3709 | { | |
ba8826a8 AO |
3710 | unsigned addrdelta |
3711 | = ((state_machine_regs.op_index + uladv) | |
b40bf0a2 NC |
3712 | / linfo.li_max_ops_per_insn) |
3713 | * linfo.li_min_insn_length; | |
ba8826a8 AO |
3714 | |
3715 | state_machine_regs.address += addrdelta; | |
b40bf0a2 NC |
3716 | state_machine_regs.op_index |
3717 | = (state_machine_regs.op_index + uladv) | |
3718 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
3719 | if (addrdelta) |
3720 | state_machine_regs.view = 0; | |
b40bf0a2 | 3721 | printf (_(" Special opcode %d: " |
ba8826a8 | 3722 | "advance Address by %s to 0x%s[%d]%s"), |
b40bf0a2 NC |
3723 | op_code, dwarf_vmatoa ("u", uladv), |
3724 | dwarf_vmatoa ("x", state_machine_regs.address), | |
ba8826a8 AO |
3725 | state_machine_regs.op_index, |
3726 | verbose_view && addrdelta | |
3727 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
3728 | } |
3729 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; | |
3730 | state_machine_regs.line += adv; | |
ba8826a8 | 3731 | printf (_(" and Line by %s to %d"), |
b40bf0a2 | 3732 | dwarf_vmatoa ("d", adv), state_machine_regs.line); |
ba8826a8 AO |
3733 | if (verbose_view || state_machine_regs.view) |
3734 | printf (_(" (view %u)\n"), state_machine_regs.view); | |
3735 | else | |
3736 | putchar ('\n'); | |
3737 | state_machine_regs.view++; | |
19e6b90e | 3738 | } |
b40bf0a2 NC |
3739 | else switch (op_code) |
3740 | { | |
3741 | case DW_LNS_extended_op: | |
3742 | data += process_extended_line_op (data, linfo.li_default_is_stmt, end); | |
3743 | break; | |
3744 | ||
3745 | case DW_LNS_copy: | |
ba8826a8 AO |
3746 | printf (_(" Copy")); |
3747 | if (verbose_view || state_machine_regs.view) | |
3748 | printf (_(" (view %u)\n"), state_machine_regs.view); | |
3749 | else | |
3750 | putchar ('\n'); | |
3751 | state_machine_regs.view++; | |
b40bf0a2 NC |
3752 | break; |
3753 | ||
3754 | case DW_LNS_advance_pc: | |
3755 | uladv = read_uleb128 (data, & bytes_read, end); | |
3756 | data += bytes_read; | |
3757 | if (linfo.li_max_ops_per_insn == 1) | |
3758 | { | |
3759 | uladv *= linfo.li_min_insn_length; | |
3760 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
3761 | if (uladv) |
3762 | state_machine_regs.view = 0; | |
3763 | printf (_(" Advance PC by %s to 0x%s%s\n"), | |
b40bf0a2 | 3764 | dwarf_vmatoa ("u", uladv), |
ba8826a8 AO |
3765 | dwarf_vmatoa ("x", state_machine_regs.address), |
3766 | verbose_view && uladv | |
3767 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
3768 | } |
3769 | else | |
3770 | { | |
ba8826a8 AO |
3771 | unsigned addrdelta |
3772 | = ((state_machine_regs.op_index + uladv) | |
3773 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 3774 | * linfo.li_min_insn_length; |
ba8826a8 AO |
3775 | state_machine_regs.address |
3776 | += addrdelta; | |
b40bf0a2 NC |
3777 | state_machine_regs.op_index |
3778 | = (state_machine_regs.op_index + uladv) | |
3779 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
3780 | if (addrdelta) |
3781 | state_machine_regs.view = 0; | |
3782 | printf (_(" Advance PC by %s to 0x%s[%d]%s\n"), | |
b40bf0a2 NC |
3783 | dwarf_vmatoa ("u", uladv), |
3784 | dwarf_vmatoa ("x", state_machine_regs.address), | |
ba8826a8 AO |
3785 | state_machine_regs.op_index, |
3786 | verbose_view && addrdelta | |
3787 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
3788 | } |
3789 | break; | |
3790 | ||
3791 | case DW_LNS_advance_line: | |
3792 | adv = read_sleb128 (data, & bytes_read, end); | |
3793 | data += bytes_read; | |
3794 | state_machine_regs.line += adv; | |
3795 | printf (_(" Advance Line by %s to %d\n"), | |
3796 | dwarf_vmatoa ("d", adv), | |
3797 | state_machine_regs.line); | |
3798 | break; | |
3799 | ||
3800 | case DW_LNS_set_file: | |
3801 | adv = read_uleb128 (data, & bytes_read, end); | |
3802 | data += bytes_read; | |
3803 | printf (_(" Set File Name to entry %s in the File Name Table\n"), | |
3804 | dwarf_vmatoa ("d", adv)); | |
3805 | state_machine_regs.file = adv; | |
3806 | break; | |
3807 | ||
3808 | case DW_LNS_set_column: | |
3809 | uladv = read_uleb128 (data, & bytes_read, end); | |
3810 | data += bytes_read; | |
3811 | printf (_(" Set column to %s\n"), | |
3812 | dwarf_vmatoa ("u", uladv)); | |
3813 | state_machine_regs.column = uladv; | |
3814 | break; | |
3815 | ||
3816 | case DW_LNS_negate_stmt: | |
3817 | adv = state_machine_regs.is_stmt; | |
3818 | adv = ! adv; | |
3819 | printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv)); | |
3820 | state_machine_regs.is_stmt = adv; | |
3821 | break; | |
3822 | ||
3823 | case DW_LNS_set_basic_block: | |
3824 | printf (_(" Set basic block\n")); | |
3825 | state_machine_regs.basic_block = 1; | |
3826 | break; | |
3827 | ||
3828 | case DW_LNS_const_add_pc: | |
3829 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); | |
3830 | if (linfo.li_max_ops_per_insn) | |
3831 | { | |
3832 | uladv *= linfo.li_min_insn_length; | |
3833 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
3834 | if (uladv) |
3835 | state_machine_regs.view = 0; | |
3836 | printf (_(" Advance PC by constant %s to 0x%s%s\n"), | |
b40bf0a2 | 3837 | dwarf_vmatoa ("u", uladv), |
ba8826a8 AO |
3838 | dwarf_vmatoa ("x", state_machine_regs.address), |
3839 | verbose_view && uladv | |
3840 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
3841 | } |
3842 | else | |
3843 | { | |
ba8826a8 AO |
3844 | unsigned addrdelta |
3845 | = ((state_machine_regs.op_index + uladv) | |
3846 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 3847 | * linfo.li_min_insn_length; |
ba8826a8 AO |
3848 | state_machine_regs.address |
3849 | += addrdelta; | |
b40bf0a2 NC |
3850 | state_machine_regs.op_index |
3851 | = (state_machine_regs.op_index + uladv) | |
3852 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
3853 | if (addrdelta) |
3854 | state_machine_regs.view = 0; | |
3855 | printf (_(" Advance PC by constant %s to 0x%s[%d]%s\n"), | |
b40bf0a2 NC |
3856 | dwarf_vmatoa ("u", uladv), |
3857 | dwarf_vmatoa ("x", state_machine_regs.address), | |
ba8826a8 AO |
3858 | state_machine_regs.op_index, |
3859 | verbose_view && addrdelta | |
3860 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
3861 | } |
3862 | break; | |
3863 | ||
3864 | case DW_LNS_fixed_advance_pc: | |
3865 | SAFE_BYTE_GET_AND_INC (uladv, data, 2, end); | |
3866 | state_machine_regs.address += uladv; | |
3867 | state_machine_regs.op_index = 0; | |
3868 | printf (_(" Advance PC by fixed size amount %s to 0x%s\n"), | |
3869 | dwarf_vmatoa ("u", uladv), | |
3870 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
ba8826a8 | 3871 | /* Do NOT reset view. */ |
b40bf0a2 NC |
3872 | break; |
3873 | ||
3874 | case DW_LNS_set_prologue_end: | |
3875 | printf (_(" Set prologue_end to true\n")); | |
3876 | break; | |
3877 | ||
3878 | case DW_LNS_set_epilogue_begin: | |
3879 | printf (_(" Set epilogue_begin to true\n")); | |
3880 | break; | |
3881 | ||
3882 | case DW_LNS_set_isa: | |
3883 | uladv = read_uleb128 (data, & bytes_read, end); | |
3884 | data += bytes_read; | |
3885 | printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv)); | |
3886 | break; | |
3887 | ||
3888 | default: | |
3889 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
3890 | ||
3891 | if (standard_opcodes != NULL) | |
3892 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
3893 | { | |
3894 | printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data, | |
3895 | &bytes_read, end)), | |
3896 | i == 1 ? "" : ", "); | |
3897 | data += bytes_read; | |
3898 | } | |
3899 | putchar ('\n'); | |
3900 | break; | |
3901 | } | |
19e6b90e | 3902 | } |
b40bf0a2 | 3903 | putchar ('\n'); |
19e6b90e | 3904 | } |
19e6b90e L |
3905 | } |
3906 | ||
3907 | return 1; | |
3908 | } | |
3909 | ||
a262ae96 NC |
3910 | typedef struct |
3911 | { | |
467c65bc NC |
3912 | unsigned char *name; |
3913 | unsigned int directory_index; | |
3914 | unsigned int modification_date; | |
3915 | unsigned int length; | |
a262ae96 NC |
3916 | } File_Entry; |
3917 | ||
3918 | /* Output a decoded representation of the .debug_line section. */ | |
3919 | ||
3920 | static int | |
dda8d76d NC |
3921 | display_debug_lines_decoded (struct dwarf_section * section, |
3922 | unsigned char * data, | |
3923 | unsigned char * end, | |
3924 | void * fileptr) | |
a262ae96 | 3925 | { |
b40bf0a2 NC |
3926 | static DWARF2_Internal_LineInfo saved_linfo; |
3927 | ||
dda8d76d | 3928 | introduce (section, FALSE); |
a262ae96 NC |
3929 | |
3930 | while (data < end) | |
3931 | { | |
3932 | /* This loop amounts to one iteration per compilation unit. */ | |
91d6fa6a | 3933 | DWARF2_Internal_LineInfo linfo; |
a262ae96 NC |
3934 | unsigned char *standard_opcodes; |
3935 | unsigned char *end_of_sequence; | |
a262ae96 NC |
3936 | int i; |
3937 | File_Entry *file_table = NULL; | |
143a3db0 | 3938 | unsigned int n_files = 0; |
a262ae96 | 3939 | unsigned char **directory_table = NULL; |
77145576 | 3940 | dwarf_vma n_directories = 0; |
a262ae96 | 3941 | |
4925cdd7 NC |
3942 | if (const_strneq (section->name, ".debug_line.") |
3943 | /* Note: the following does not apply to .debug_line.dwo sections. | |
3944 | These are full debug_line sections. */ | |
3945 | && strcmp (section->name, ".debug_line.dwo") != 0) | |
b4eb7656 | 3946 | { |
4925cdd7 | 3947 | /* See comment in display_debug_lines_raw(). */ |
b40bf0a2 NC |
3948 | end_of_sequence = end; |
3949 | standard_opcodes = NULL; | |
3950 | linfo = saved_linfo; | |
058037d3 NC |
3951 | /* PR 17531: file: 0522b371. */ |
3952 | if (linfo.li_line_range == 0) | |
3953 | { | |
1306a742 | 3954 | warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n")); |
058037d3 NC |
3955 | return 0; |
3956 | } | |
b40bf0a2 | 3957 | reset_state_machine (linfo.li_default_is_stmt); |
b4eb7656 | 3958 | } |
a262ae96 | 3959 | else |
b4eb7656 | 3960 | { |
b40bf0a2 | 3961 | unsigned char *hdrptr; |
a262ae96 | 3962 | |
b40bf0a2 NC |
3963 | if ((hdrptr = read_debug_line_header (section, data, end, & linfo, |
3964 | & end_of_sequence)) == NULL) | |
a233b20c | 3965 | return 0; |
0c588247 | 3966 | |
058037d3 NC |
3967 | /* PR 17531: file: 0522b371. */ |
3968 | if (linfo.li_line_range == 0) | |
3969 | { | |
3970 | warn (_("Line range of 0 is invalid, using 1 instead\n")); | |
3971 | linfo.li_line_range = 1; | |
3972 | } | |
b40bf0a2 | 3973 | reset_state_machine (linfo.li_default_is_stmt); |
a262ae96 | 3974 | |
b40bf0a2 NC |
3975 | /* Save a pointer to the contents of the Opcodes table. */ |
3976 | standard_opcodes = hdrptr; | |
a262ae96 | 3977 | |
b40bf0a2 NC |
3978 | /* Traverse the Directory table just to count entries. */ |
3979 | data = standard_opcodes + linfo.li_opcode_base - 1; | |
d8024a91 NC |
3980 | /* PR 20440 */ |
3981 | if (data >= end) | |
3982 | { | |
3983 | warn (_("opcode base of %d extends beyond end of section\n"), | |
3984 | linfo.li_opcode_base); | |
3985 | return 0; | |
3986 | } | |
3987 | ||
77145576 | 3988 | if (linfo.li_version >= 5) |
b40bf0a2 | 3989 | { |
77145576 JK |
3990 | unsigned char *format_start, format_count, *format; |
3991 | dwarf_vma formati, entryi; | |
3992 | unsigned int bytes_read; | |
a262ae96 | 3993 | |
dda8d76d | 3994 | load_debug_section_with_follow (line_str, fileptr); |
77145576 JK |
3995 | |
3996 | /* Skip directories format. */ | |
3997 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); | |
3998 | format_start = data; | |
3999 | for (formati = 0; formati < format_count; formati++) | |
b40bf0a2 | 4000 | { |
77145576 JK |
4001 | read_uleb128 (data, & bytes_read, end); |
4002 | data += bytes_read; | |
4003 | read_uleb128 (data, & bytes_read, end); | |
4004 | data += bytes_read; | |
b40bf0a2 | 4005 | } |
a262ae96 | 4006 | |
77145576 JK |
4007 | n_directories = read_uleb128 (data, & bytes_read, end); |
4008 | data += bytes_read; | |
4009 | if (data == end) | |
d8024a91 | 4010 | { |
77145576 | 4011 | warn (_("Corrupt directories list\n")); |
d8024a91 NC |
4012 | break; |
4013 | } | |
4014 | ||
b40bf0a2 NC |
4015 | directory_table = (unsigned char **) |
4016 | xmalloc (n_directories * sizeof (unsigned char *)); | |
a262ae96 | 4017 | |
77145576 | 4018 | for (entryi = 0; entryi < n_directories; entryi++) |
b40bf0a2 | 4019 | { |
77145576 | 4020 | unsigned char **pathp = &directory_table[entryi]; |
a262ae96 | 4021 | |
77145576 JK |
4022 | format = format_start; |
4023 | for (formati = 0; formati < format_count; formati++) | |
4024 | { | |
4025 | dwarf_vma content_type, form; | |
4026 | dwarf_vma uvalue; | |
4027 | ||
4028 | content_type = read_uleb128 (format, & bytes_read, end); | |
4029 | format += bytes_read; | |
4030 | form = read_uleb128 (format, & bytes_read, end); | |
4031 | format += bytes_read; | |
4032 | if (data == end) | |
4033 | { | |
4034 | warn (_("Corrupt directories list\n")); | |
4035 | break; | |
4036 | } | |
4037 | switch (content_type) | |
4038 | { | |
4039 | case DW_LNCT_path: | |
4040 | switch (form) | |
4041 | { | |
4042 | case DW_FORM_string: | |
4043 | *pathp = data; | |
4044 | break; | |
4045 | case DW_FORM_line_strp: | |
4046 | SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size, | |
4047 | end); | |
4048 | /* Remove const by the cast. */ | |
4049 | *pathp = (unsigned char *) | |
4050 | fetch_indirect_line_string (uvalue); | |
4051 | break; | |
4052 | } | |
4053 | break; | |
4054 | } | |
4055 | data = read_and_display_attr_value (0, form, 0, data, end, | |
4056 | 0, 0, | |
4057 | linfo.li_offset_size, | |
4058 | linfo.li_version, | |
4059 | NULL, 1, section, | |
4060 | NULL, '\t'); | |
4061 | } | |
4062 | if (data == end) | |
4063 | { | |
4064 | warn (_("Corrupt directories list\n")); | |
4065 | break; | |
4066 | } | |
4067 | } | |
a262ae96 | 4068 | |
77145576 JK |
4069 | /* Skip files format. */ |
4070 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); | |
4071 | format_start = data; | |
4072 | for (formati = 0; formati < format_count; formati++) | |
b40bf0a2 | 4073 | { |
b40bf0a2 NC |
4074 | read_uleb128 (data, & bytes_read, end); |
4075 | data += bytes_read; | |
4076 | read_uleb128 (data, & bytes_read, end); | |
4077 | data += bytes_read; | |
b40bf0a2 | 4078 | } |
a262ae96 | 4079 | |
77145576 JK |
4080 | n_files = read_uleb128 (data, & bytes_read, end); |
4081 | data += bytes_read; | |
4082 | if (data == end) | |
d8024a91 | 4083 | { |
77145576 | 4084 | warn (_("Corrupt file name list\n")); |
d8024a91 NC |
4085 | break; |
4086 | } | |
4087 | ||
77145576 JK |
4088 | file_table = (File_Entry *) xcalloc (1, n_files |
4089 | * sizeof (File_Entry)); | |
a262ae96 | 4090 | |
77145576 | 4091 | for (entryi = 0; entryi < n_files; entryi++) |
b40bf0a2 | 4092 | { |
77145576 | 4093 | File_Entry *file = &file_table[entryi]; |
a262ae96 | 4094 | |
77145576 JK |
4095 | format = format_start; |
4096 | for (formati = 0; formati < format_count; formati++) | |
4097 | { | |
4098 | dwarf_vma content_type, form; | |
4099 | dwarf_vma uvalue; | |
4100 | ||
4101 | content_type = read_uleb128 (format, & bytes_read, end); | |
4102 | format += bytes_read; | |
4103 | form = read_uleb128 (format, & bytes_read, end); | |
4104 | format += bytes_read; | |
4105 | if (data == end) | |
4106 | { | |
4107 | warn (_("Corrupt file name list\n")); | |
4108 | break; | |
4109 | } | |
4110 | switch (content_type) | |
4111 | { | |
4112 | case DW_LNCT_path: | |
4113 | switch (form) | |
4114 | { | |
4115 | case DW_FORM_string: | |
4116 | file->name = data; | |
4117 | break; | |
4118 | case DW_FORM_line_strp: | |
4119 | SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size, | |
4120 | end); | |
4121 | /* Remove const by the cast. */ | |
4122 | file->name = (unsigned char *) | |
4123 | fetch_indirect_line_string (uvalue); | |
4124 | break; | |
4125 | } | |
4126 | break; | |
4127 | case DW_LNCT_directory_index: | |
4128 | switch (form) | |
4129 | { | |
4130 | case DW_FORM_data1: | |
4131 | SAFE_BYTE_GET (file->directory_index, data, 1, | |
4132 | end); | |
4133 | break; | |
4134 | case DW_FORM_data2: | |
4135 | SAFE_BYTE_GET (file->directory_index, data, 2, | |
4136 | end); | |
4137 | break; | |
4138 | case DW_FORM_udata: | |
4139 | file->directory_index = read_uleb128 (data, NULL, | |
4140 | end); | |
4141 | break; | |
4142 | } | |
4143 | break; | |
4144 | } | |
4145 | data = read_and_display_attr_value (0, form, 0, data, end, | |
4146 | 0, 0, | |
4147 | linfo.li_offset_size, | |
4148 | linfo.li_version, | |
4149 | NULL, 1, section, | |
4150 | NULL, '\t'); | |
4151 | } | |
4152 | if (data == end) | |
4153 | { | |
4154 | warn (_("Corrupt file name list\n")); | |
4155 | break; | |
4156 | } | |
4157 | } | |
4158 | } | |
4159 | else | |
4160 | { | |
4161 | if (*data != 0) | |
b40bf0a2 | 4162 | { |
77145576 JK |
4163 | unsigned char *ptr_directory_table = data; |
4164 | ||
4165 | while (data < end && *data != 0) | |
4166 | { | |
4167 | data += strnlen ((char *) data, end - data) + 1; | |
4168 | n_directories++; | |
4169 | } | |
4170 | ||
4171 | /* PR 20440 */ | |
4172 | if (data >= end) | |
4173 | { | |
4174 | warn (_("directory table ends unexpectedly\n")); | |
4175 | n_directories = 0; | |
4176 | break; | |
4177 | } | |
4178 | ||
4179 | /* Go through the directory table again to save the directories. */ | |
4180 | directory_table = (unsigned char **) | |
4181 | xmalloc (n_directories * sizeof (unsigned char *)); | |
4182 | ||
4183 | i = 0; | |
4184 | while (*ptr_directory_table != 0) | |
4185 | { | |
4186 | directory_table[i] = ptr_directory_table; | |
4187 | ptr_directory_table += strnlen ((char *) ptr_directory_table, | |
4188 | ptr_directory_table - end) + 1; | |
4189 | i++; | |
4190 | } | |
b40bf0a2 | 4191 | } |
77145576 JK |
4192 | /* Skip the NUL at the end of the table. */ |
4193 | data++; | |
4194 | ||
4195 | /* Traverse the File Name table just to count the entries. */ | |
4196 | if (data < end && *data != 0) | |
b40bf0a2 | 4197 | { |
77145576 JK |
4198 | unsigned char *ptr_file_name_table = data; |
4199 | ||
4200 | while (data < end && *data != 0) | |
db9537d2 | 4201 | { |
77145576 JK |
4202 | unsigned int bytes_read; |
4203 | ||
4204 | /* Skip Name, directory index, last modification time and length | |
4205 | of file. */ | |
4206 | data += strnlen ((char *) data, end - data) + 1; | |
4207 | read_uleb128 (data, & bytes_read, end); | |
4208 | data += bytes_read; | |
4209 | read_uleb128 (data, & bytes_read, end); | |
4210 | data += bytes_read; | |
4211 | read_uleb128 (data, & bytes_read, end); | |
4212 | data += bytes_read; | |
4213 | ||
4214 | n_files++; | |
db9537d2 | 4215 | } |
a262ae96 | 4216 | |
77145576 JK |
4217 | if (data >= end) |
4218 | { | |
4219 | warn (_("file table ends unexpectedly\n")); | |
4220 | n_files = 0; | |
4221 | break; | |
4222 | } | |
4223 | ||
4224 | /* Go through the file table again to save the strings. */ | |
4225 | file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry)); | |
0c588247 | 4226 | |
77145576 JK |
4227 | i = 0; |
4228 | while (*ptr_file_name_table != 0) | |
4229 | { | |
4230 | unsigned int bytes_read; | |
4231 | ||
4232 | file_table[i].name = ptr_file_name_table; | |
4233 | ptr_file_name_table += strnlen ((char *) ptr_file_name_table, | |
4234 | end - ptr_file_name_table) + 1; | |
4235 | ||
4236 | /* We are not interested in directory, time or size. */ | |
4237 | file_table[i].directory_index = read_uleb128 (ptr_file_name_table, | |
4238 | & bytes_read, end); | |
4239 | ptr_file_name_table += bytes_read; | |
4240 | file_table[i].modification_date = read_uleb128 (ptr_file_name_table, | |
4241 | & bytes_read, end); | |
4242 | ptr_file_name_table += bytes_read; | |
4243 | file_table[i].length = read_uleb128 (ptr_file_name_table, & bytes_read, end); | |
4244 | ptr_file_name_table += bytes_read; | |
4245 | i++; | |
4246 | } | |
4247 | i = 0; | |
b40bf0a2 | 4248 | } |
77145576 JK |
4249 | |
4250 | /* Skip the NUL at the end of the table. */ | |
4251 | data++; | |
b40bf0a2 | 4252 | } |
cc5914eb | 4253 | |
77145576 | 4254 | /* Print the Compilation Unit's name and a header. */ |
f082820d AM |
4255 | if (file_table == NULL) |
4256 | ; | |
4257 | else if (directory_table == NULL) | |
4258 | printf (_("CU: %s:\n"), file_table[0].name); | |
77145576 JK |
4259 | else |
4260 | { | |
4261 | unsigned int ix = file_table[0].directory_index; | |
4262 | const char *directory; | |
4263 | ||
4264 | if (ix == 0) | |
4265 | directory = "."; | |
4266 | /* PR 20439 */ | |
4267 | else if (n_directories == 0) | |
4268 | directory = _("<unknown>"); | |
4269 | else if (ix > n_directories) | |
4270 | { | |
4271 | warn (_("directory index %u > number of directories %s\n"), | |
4272 | ix, dwarf_vmatoa ("u", n_directories)); | |
4273 | directory = _("<corrupt>"); | |
4274 | } | |
4275 | else | |
4276 | directory = (char *) directory_table[ix - 1]; | |
4277 | ||
4278 | if (do_wide || strlen (directory) < 76) | |
4279 | printf (_("CU: %s/%s:\n"), directory, file_table[0].name); | |
4280 | else | |
4281 | printf ("%s:\n", file_table[0].name); | |
77145576 | 4282 | } |
a262ae96 | 4283 | |
ba8826a8 | 4284 | printf (_("File name Line number Starting address View\n")); |
b40bf0a2 NC |
4285 | saved_linfo = linfo; |
4286 | } | |
a262ae96 NC |
4287 | |
4288 | /* This loop iterates through the Dwarf Line Number Program. */ | |
4289 | while (data < end_of_sequence) | |
b4eb7656 | 4290 | { |
a262ae96 | 4291 | unsigned char op_code; |
ba8826a8 | 4292 | int xop; |
b4eb7656 AM |
4293 | int adv; |
4294 | unsigned long int uladv; | |
4295 | unsigned int bytes_read; | |
4296 | int is_special_opcode = 0; | |
a262ae96 | 4297 | |
b4eb7656 | 4298 | op_code = *data++; |
ba8826a8 | 4299 | xop = op_code; |
a262ae96 | 4300 | |
b4eb7656 | 4301 | if (op_code >= linfo.li_opcode_base) |
a262ae96 | 4302 | { |
91d6fa6a | 4303 | op_code -= linfo.li_opcode_base; |
a233b20c JJ |
4304 | uladv = (op_code / linfo.li_line_range); |
4305 | if (linfo.li_max_ops_per_insn == 1) | |
4306 | { | |
4307 | uladv *= linfo.li_min_insn_length; | |
4308 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
4309 | if (uladv) |
4310 | state_machine_regs.view = 0; | |
a233b20c JJ |
4311 | } |
4312 | else | |
4313 | { | |
ba8826a8 AO |
4314 | unsigned addrdelta |
4315 | = ((state_machine_regs.op_index + uladv) | |
4316 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 4317 | * linfo.li_min_insn_length; |
ba8826a8 AO |
4318 | state_machine_regs.address |
4319 | += addrdelta; | |
a233b20c JJ |
4320 | state_machine_regs.op_index |
4321 | = (state_machine_regs.op_index + uladv) | |
b40bf0a2 | 4322 | % linfo.li_max_ops_per_insn; |
ba8826a8 AO |
4323 | if (addrdelta) |
4324 | state_machine_regs.view = 0; | |
a233b20c | 4325 | } |
a262ae96 | 4326 | |
b4eb7656 AM |
4327 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; |
4328 | state_machine_regs.line += adv; | |
4329 | is_special_opcode = 1; | |
ba8826a8 | 4330 | /* Increment view after printing this row. */ |
b4eb7656 AM |
4331 | } |
4332 | else switch (op_code) | |
b40bf0a2 NC |
4333 | { |
4334 | case DW_LNS_extended_op: | |
4335 | { | |
4336 | unsigned int ext_op_code_len; | |
4337 | unsigned char ext_op_code; | |
4338 | unsigned char *op_code_data = data; | |
4339 | ||
4340 | ext_op_code_len = read_uleb128 (op_code_data, &bytes_read, | |
4341 | end_of_sequence); | |
4342 | op_code_data += bytes_read; | |
4343 | ||
4344 | if (ext_op_code_len == 0) | |
4345 | { | |
f41e4712 | 4346 | warn (_("Badly formed extended line op encountered!\n")); |
b40bf0a2 NC |
4347 | break; |
4348 | } | |
4349 | ext_op_code_len += bytes_read; | |
4350 | ext_op_code = *op_code_data++; | |
ba8826a8 AO |
4351 | xop = ext_op_code; |
4352 | xop = -xop; | |
b40bf0a2 NC |
4353 | |
4354 | switch (ext_op_code) | |
4355 | { | |
4356 | case DW_LNE_end_sequence: | |
ba8826a8 | 4357 | /* Reset stuff after printing this row. */ |
b40bf0a2 NC |
4358 | break; |
4359 | case DW_LNE_set_address: | |
4360 | SAFE_BYTE_GET_AND_INC (state_machine_regs.address, | |
87bc83b3 CC |
4361 | op_code_data, |
4362 | ext_op_code_len - bytes_read - 1, | |
b40bf0a2 NC |
4363 | end); |
4364 | state_machine_regs.op_index = 0; | |
ba8826a8 | 4365 | state_machine_regs.view = 0; |
b40bf0a2 NC |
4366 | break; |
4367 | case DW_LNE_define_file: | |
4368 | { | |
4369 | file_table = (File_Entry *) xrealloc | |
4370 | (file_table, (n_files + 1) * sizeof (File_Entry)); | |
4371 | ||
4372 | ++state_machine_regs.last_file_entry; | |
4373 | /* Source file name. */ | |
4374 | file_table[n_files].name = op_code_data; | |
4375 | op_code_data += strlen ((char *) op_code_data) + 1; | |
4376 | /* Directory index. */ | |
4377 | file_table[n_files].directory_index = | |
4378 | read_uleb128 (op_code_data, & bytes_read, | |
4379 | end_of_sequence); | |
4380 | op_code_data += bytes_read; | |
4381 | /* Last modification time. */ | |
4382 | file_table[n_files].modification_date = | |
4383 | read_uleb128 (op_code_data, & bytes_read, | |
4384 | end_of_sequence); | |
4385 | op_code_data += bytes_read; | |
4386 | /* File length. */ | |
4387 | file_table[n_files].length = | |
4388 | read_uleb128 (op_code_data, & bytes_read, | |
4389 | end_of_sequence); | |
4390 | ||
4391 | n_files++; | |
4392 | break; | |
4393 | } | |
4394 | case DW_LNE_set_discriminator: | |
4395 | case DW_LNE_HP_set_sequence: | |
4396 | /* Simply ignored. */ | |
4397 | break; | |
4398 | ||
4399 | default: | |
4400 | printf (_("UNKNOWN (%u): length %d\n"), | |
4401 | ext_op_code, ext_op_code_len - bytes_read); | |
4402 | break; | |
4403 | } | |
4404 | data += ext_op_code_len; | |
4405 | break; | |
4406 | } | |
4407 | case DW_LNS_copy: | |
ba8826a8 | 4408 | /* Increment view after printing this row. */ |
b40bf0a2 NC |
4409 | break; |
4410 | ||
4411 | case DW_LNS_advance_pc: | |
4412 | uladv = read_uleb128 (data, & bytes_read, end); | |
4413 | data += bytes_read; | |
4414 | if (linfo.li_max_ops_per_insn == 1) | |
4415 | { | |
4416 | uladv *= linfo.li_min_insn_length; | |
4417 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
4418 | if (uladv) |
4419 | state_machine_regs.view = 0; | |
b40bf0a2 NC |
4420 | } |
4421 | else | |
4422 | { | |
ba8826a8 AO |
4423 | unsigned addrdelta |
4424 | = ((state_machine_regs.op_index + uladv) | |
4425 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 4426 | * linfo.li_min_insn_length; |
ba8826a8 AO |
4427 | state_machine_regs.address |
4428 | += addrdelta; | |
b40bf0a2 NC |
4429 | state_machine_regs.op_index |
4430 | = (state_machine_regs.op_index + uladv) | |
4431 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
4432 | if (addrdelta) |
4433 | state_machine_regs.view = 0; | |
b40bf0a2 NC |
4434 | } |
4435 | break; | |
4436 | ||
4437 | case DW_LNS_advance_line: | |
4438 | adv = read_sleb128 (data, & bytes_read, end); | |
4439 | data += bytes_read; | |
4440 | state_machine_regs.line += adv; | |
4441 | break; | |
4442 | ||
4443 | case DW_LNS_set_file: | |
4444 | adv = read_uleb128 (data, & bytes_read, end); | |
4445 | data += bytes_read; | |
4446 | state_machine_regs.file = adv; | |
4447 | ||
db9537d2 NC |
4448 | { |
4449 | unsigned file = state_machine_regs.file - 1; | |
4450 | unsigned dir; | |
4451 | ||
4452 | if (file_table == NULL || n_files == 0) | |
4453 | printf (_("\n [Use file table entry %d]\n"), file); | |
4454 | /* PR 20439 */ | |
4455 | else if (file >= n_files) | |
4456 | { | |
4457 | warn (_("file index %u > number of files %u\n"), file + 1, n_files); | |
4458 | printf (_("\n <over large file table index %u>"), file); | |
4459 | } | |
4460 | else if ((dir = file_table[file].directory_index) == 0) | |
4461 | /* If directory index is 0, that means current directory. */ | |
4462 | printf ("\n./%s:[++]\n", file_table[file].name); | |
4463 | else if (directory_table == NULL || n_directories == 0) | |
4464 | printf (_("\n [Use file %s in directory table entry %d]\n"), | |
4465 | file_table[file].name, dir); | |
4466 | /* PR 20439 */ | |
4467 | else if (dir > n_directories) | |
4468 | { | |
77145576 JK |
4469 | warn (_("directory index %u > number of directories %s\n"), |
4470 | dir, dwarf_vmatoa ("u", n_directories)); | |
db9537d2 NC |
4471 | printf (_("\n <over large directory table entry %u>\n"), dir); |
4472 | } | |
4473 | else | |
4474 | printf ("\n%s/%s:\n", | |
4475 | /* The directory index starts counting at 1. */ | |
4476 | directory_table[dir - 1], file_table[file].name); | |
4477 | } | |
b40bf0a2 NC |
4478 | break; |
4479 | ||
4480 | case DW_LNS_set_column: | |
4481 | uladv = read_uleb128 (data, & bytes_read, end); | |
4482 | data += bytes_read; | |
4483 | state_machine_regs.column = uladv; | |
4484 | break; | |
4485 | ||
4486 | case DW_LNS_negate_stmt: | |
4487 | adv = state_machine_regs.is_stmt; | |
4488 | adv = ! adv; | |
4489 | state_machine_regs.is_stmt = adv; | |
4490 | break; | |
4491 | ||
4492 | case DW_LNS_set_basic_block: | |
4493 | state_machine_regs.basic_block = 1; | |
4494 | break; | |
4495 | ||
4496 | case DW_LNS_const_add_pc: | |
4497 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); | |
4498 | if (linfo.li_max_ops_per_insn == 1) | |
4499 | { | |
4500 | uladv *= linfo.li_min_insn_length; | |
4501 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
4502 | if (uladv) |
4503 | state_machine_regs.view = 0; | |
b40bf0a2 NC |
4504 | } |
4505 | else | |
4506 | { | |
ba8826a8 AO |
4507 | unsigned addrdelta |
4508 | = ((state_machine_regs.op_index + uladv) | |
4509 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 4510 | * linfo.li_min_insn_length; |
ba8826a8 AO |
4511 | state_machine_regs.address |
4512 | += addrdelta; | |
b40bf0a2 NC |
4513 | state_machine_regs.op_index |
4514 | = (state_machine_regs.op_index + uladv) | |
4515 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
4516 | if (addrdelta) |
4517 | state_machine_regs.view = 0; | |
b40bf0a2 NC |
4518 | } |
4519 | break; | |
4520 | ||
4521 | case DW_LNS_fixed_advance_pc: | |
4522 | SAFE_BYTE_GET_AND_INC (uladv, data, 2, end); | |
4523 | state_machine_regs.address += uladv; | |
4524 | state_machine_regs.op_index = 0; | |
ba8826a8 | 4525 | /* Do NOT reset view. */ |
b40bf0a2 NC |
4526 | break; |
4527 | ||
4528 | case DW_LNS_set_prologue_end: | |
4529 | break; | |
4530 | ||
4531 | case DW_LNS_set_epilogue_begin: | |
4532 | break; | |
4533 | ||
4534 | case DW_LNS_set_isa: | |
4535 | uladv = read_uleb128 (data, & bytes_read, end); | |
4536 | data += bytes_read; | |
4537 | printf (_(" Set ISA to %lu\n"), uladv); | |
4538 | break; | |
4539 | ||
4540 | default: | |
4541 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
4542 | ||
4543 | if (standard_opcodes != NULL) | |
4544 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
4545 | { | |
4546 | printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data, | |
4547 | &bytes_read, end)), | |
4548 | i == 1 ? "" : ", "); | |
4549 | data += bytes_read; | |
4550 | } | |
4551 | putchar ('\n'); | |
4552 | break; | |
4553 | } | |
a262ae96 | 4554 | |
b4eb7656 AM |
4555 | /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row |
4556 | to the DWARF address/line matrix. */ | |
ba8826a8 AO |
4557 | if ((is_special_opcode) || (xop == -DW_LNE_end_sequence) |
4558 | || (xop == DW_LNS_copy)) | |
b4eb7656 AM |
4559 | { |
4560 | const unsigned int MAX_FILENAME_LENGTH = 35; | |
4561 | char *fileName; | |
4562 | char *newFileName = NULL; | |
4563 | size_t fileNameLength; | |
b40bf0a2 NC |
4564 | |
4565 | if (file_table) | |
db9537d2 NC |
4566 | { |
4567 | unsigned indx = state_machine_regs.file - 1; | |
4568 | /* PR 20439 */ | |
4569 | if (indx >= n_files) | |
4570 | { | |
4571 | warn (_("corrupt file index %u encountered\n"), indx); | |
4572 | fileName = _("<corrupt>"); | |
4573 | } | |
4574 | else | |
4575 | fileName = (char *) file_table[indx].name; | |
4576 | } | |
b40bf0a2 | 4577 | else |
db9537d2 | 4578 | fileName = _("<unknown>"); |
b40bf0a2 NC |
4579 | |
4580 | fileNameLength = strlen (fileName); | |
a262ae96 | 4581 | |
b4eb7656 AM |
4582 | if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide)) |
4583 | { | |
4584 | newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1); | |
4585 | /* Truncate file name */ | |
4586 | strncpy (newFileName, | |
4587 | fileName + fileNameLength - MAX_FILENAME_LENGTH, | |
4588 | MAX_FILENAME_LENGTH + 1); | |
4589 | } | |
4590 | else | |
4591 | { | |
4592 | newFileName = (char *) xmalloc (fileNameLength + 1); | |
4593 | strncpy (newFileName, fileName, fileNameLength + 1); | |
4594 | } | |
4595 | ||
4596 | if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH)) | |
4597 | { | |
a233b20c | 4598 | if (linfo.li_max_ops_per_insn == 1) |
ba8826a8 | 4599 | printf ("%-35s %11d %#18" DWARF_VMA_FMT "x", |
467c65bc | 4600 | newFileName, state_machine_regs.line, |
a233b20c JJ |
4601 | state_machine_regs.address); |
4602 | else | |
ba8826a8 | 4603 | printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]", |
467c65bc | 4604 | newFileName, state_machine_regs.line, |
a233b20c JJ |
4605 | state_machine_regs.address, |
4606 | state_machine_regs.op_index); | |
b4eb7656 AM |
4607 | } |
4608 | else | |
4609 | { | |
a233b20c | 4610 | if (linfo.li_max_ops_per_insn == 1) |
ba8826a8 | 4611 | printf ("%s %11d %#18" DWARF_VMA_FMT "x", |
467c65bc | 4612 | newFileName, state_machine_regs.line, |
a233b20c JJ |
4613 | state_machine_regs.address); |
4614 | else | |
ba8826a8 | 4615 | printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]", |
467c65bc | 4616 | newFileName, state_machine_regs.line, |
a233b20c JJ |
4617 | state_machine_regs.address, |
4618 | state_machine_regs.op_index); | |
b4eb7656 | 4619 | } |
a262ae96 | 4620 | |
ba8826a8 AO |
4621 | if (state_machine_regs.view) |
4622 | printf (" %6u\n", state_machine_regs.view); | |
4623 | else | |
4624 | putchar ('\n'); | |
4625 | state_machine_regs.view++; | |
4626 | ||
4627 | if (xop == -DW_LNE_end_sequence) | |
4628 | { | |
4629 | reset_state_machine (linfo.li_default_is_stmt); | |
4630 | putchar ('\n'); | |
4631 | } | |
a262ae96 | 4632 | |
b4eb7656 AM |
4633 | free (newFileName); |
4634 | } | |
4635 | } | |
b40bf0a2 NC |
4636 | |
4637 | if (file_table) | |
4638 | { | |
4639 | free (file_table); | |
4640 | file_table = NULL; | |
4641 | n_files = 0; | |
4642 | } | |
4643 | ||
4644 | if (directory_table) | |
4645 | { | |
4646 | free (directory_table); | |
4647 | directory_table = NULL; | |
4648 | n_directories = 0; | |
4649 | } | |
4650 | ||
a262ae96 NC |
4651 | putchar ('\n'); |
4652 | } | |
4653 | ||
4654 | return 1; | |
4655 | } | |
4656 | ||
4657 | static int | |
77145576 | 4658 | display_debug_lines (struct dwarf_section *section, void *file) |
a262ae96 NC |
4659 | { |
4660 | unsigned char *data = section->start; | |
4661 | unsigned char *end = data + section->size; | |
4cb93e3b TG |
4662 | int retValRaw = 1; |
4663 | int retValDecoded = 1; | |
a262ae96 | 4664 | |
008f4c78 NC |
4665 | if (do_debug_lines == 0) |
4666 | do_debug_lines |= FLAG_DEBUG_LINES_RAW; | |
4667 | ||
4cb93e3b | 4668 | if (do_debug_lines & FLAG_DEBUG_LINES_RAW) |
77145576 | 4669 | retValRaw = display_debug_lines_raw (section, data, end, file); |
a262ae96 | 4670 | |
4cb93e3b | 4671 | if (do_debug_lines & FLAG_DEBUG_LINES_DECODED) |
77145576 | 4672 | retValDecoded = display_debug_lines_decoded (section, data, end, file); |
a262ae96 | 4673 | |
4cb93e3b | 4674 | if (!retValRaw || !retValDecoded) |
a262ae96 NC |
4675 | return 0; |
4676 | ||
4677 | return 1; | |
4678 | } | |
4679 | ||
6e3d6dc1 NC |
4680 | static debug_info * |
4681 | find_debug_info_for_offset (unsigned long offset) | |
4682 | { | |
4683 | unsigned int i; | |
4684 | ||
4685 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) | |
4686 | return NULL; | |
4687 | ||
4688 | for (i = 0; i < num_debug_info_entries; i++) | |
4689 | if (debug_information[i].cu_offset == offset) | |
4690 | return debug_information + i; | |
4691 | ||
4692 | return NULL; | |
4693 | } | |
4694 | ||
459d52c8 DE |
4695 | static const char * |
4696 | get_gdb_index_symbol_kind_name (gdb_index_symbol_kind kind) | |
4697 | { | |
4698 | /* See gdb/gdb-index.h. */ | |
4699 | static const char * const kinds[] = | |
4700 | { | |
4701 | N_ ("no info"), | |
4702 | N_ ("type"), | |
4703 | N_ ("variable"), | |
4704 | N_ ("function"), | |
4705 | N_ ("other"), | |
4706 | N_ ("unused5"), | |
4707 | N_ ("unused6"), | |
4708 | N_ ("unused7") | |
4709 | }; | |
4710 | ||
4711 | return _ (kinds[kind]); | |
4712 | } | |
4713 | ||
19e6b90e | 4714 | static int |
459d52c8 DE |
4715 | display_debug_pubnames_worker (struct dwarf_section *section, |
4716 | void *file ATTRIBUTE_UNUSED, | |
4717 | int is_gnu) | |
19e6b90e | 4718 | { |
91d6fa6a | 4719 | DWARF2_Internal_PubNames names; |
19e6b90e L |
4720 | unsigned char *start = section->start; |
4721 | unsigned char *end = start + section->size; | |
4722 | ||
6e3d6dc1 NC |
4723 | /* It does not matter if this load fails, |
4724 | we test for that later on. */ | |
4725 | load_debug_info (file); | |
4726 | ||
dda8d76d | 4727 | introduce (section, FALSE); |
19e6b90e L |
4728 | |
4729 | while (start < end) | |
4730 | { | |
4731 | unsigned char *data; | |
e98fdf1a | 4732 | unsigned long sec_off; |
bf5117e3 | 4733 | unsigned int offset_size, initial_length_size; |
19e6b90e | 4734 | |
e98fdf1a | 4735 | SAFE_BYTE_GET_AND_INC (names.pn_length, start, 4, end); |
91d6fa6a | 4736 | if (names.pn_length == 0xffffffff) |
19e6b90e | 4737 | { |
e98fdf1a | 4738 | SAFE_BYTE_GET_AND_INC (names.pn_length, start, 8, end); |
19e6b90e L |
4739 | offset_size = 8; |
4740 | initial_length_size = 12; | |
4741 | } | |
4742 | else | |
4743 | { | |
4744 | offset_size = 4; | |
4745 | initial_length_size = 4; | |
4746 | } | |
4747 | ||
e98fdf1a AM |
4748 | sec_off = start - section->start; |
4749 | if (sec_off + names.pn_length < sec_off | |
4750 | || sec_off + names.pn_length > section->size) | |
4751 | { | |
4752 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), | |
4753 | section->name, | |
4754 | sec_off - initial_length_size, | |
4755 | dwarf_vmatoa ("x", names.pn_length)); | |
4756 | break; | |
4757 | } | |
4758 | ||
4759 | data = start; | |
4760 | start += names.pn_length; | |
4761 | ||
0c588247 NC |
4762 | SAFE_BYTE_GET_AND_INC (names.pn_version, data, 2, end); |
4763 | SAFE_BYTE_GET_AND_INC (names.pn_offset, data, offset_size, end); | |
6e3d6dc1 NC |
4764 | |
4765 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE | |
4766 | && num_debug_info_entries > 0 | |
91d6fa6a | 4767 | && find_debug_info_for_offset (names.pn_offset) == NULL) |
6e3d6dc1 | 4768 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), |
47704ddf | 4769 | (unsigned long) names.pn_offset, section->name); |
cecf136e | 4770 | |
0c588247 | 4771 | SAFE_BYTE_GET_AND_INC (names.pn_size, data, offset_size, end); |
19e6b90e | 4772 | |
058037d3 NC |
4773 | printf (_(" Length: %ld\n"), |
4774 | (long) names.pn_length); | |
4775 | printf (_(" Version: %d\n"), | |
4776 | names.pn_version); | |
4777 | printf (_(" Offset into .debug_info section: 0x%lx\n"), | |
4778 | (unsigned long) names.pn_offset); | |
4779 | printf (_(" Size of area in .debug_info section: %ld\n"), | |
4780 | (long) names.pn_size); | |
19e6b90e | 4781 | |
91d6fa6a | 4782 | if (names.pn_version != 2 && names.pn_version != 3) |
19e6b90e L |
4783 | { |
4784 | static int warned = 0; | |
4785 | ||
4786 | if (! warned) | |
4787 | { | |
4788 | warn (_("Only DWARF 2 and 3 pubnames are currently supported\n")); | |
4789 | warned = 1; | |
4790 | } | |
4791 | ||
4792 | continue; | |
4793 | } | |
4794 | ||
459d52c8 DE |
4795 | if (is_gnu) |
4796 | printf (_("\n Offset Kind Name\n")); | |
4797 | else | |
4798 | printf (_("\n Offset\tName\n")); | |
19e6b90e | 4799 | |
e98fdf1a | 4800 | while (1) |
19e6b90e | 4801 | { |
f41e4712 | 4802 | bfd_size_type maxprint; |
e98fdf1a | 4803 | dwarf_vma offset; |
f41e4712 | 4804 | |
0c588247 | 4805 | SAFE_BYTE_GET (offset, data, offset_size, end); |
19e6b90e | 4806 | |
e98fdf1a AM |
4807 | if (offset == 0) |
4808 | break; | |
b4eb7656 | 4809 | |
e98fdf1a AM |
4810 | data += offset_size; |
4811 | if (data >= end) | |
4812 | break; | |
4813 | maxprint = (end - data) - 1; | |
f41e4712 | 4814 | |
e98fdf1a AM |
4815 | if (is_gnu) |
4816 | { | |
4817 | unsigned int kind_data; | |
4818 | gdb_index_symbol_kind kind; | |
4819 | const char *kind_name; | |
4820 | int is_static; | |
4821 | ||
4822 | SAFE_BYTE_GET (kind_data, data, 1, end); | |
4823 | data++; | |
4824 | maxprint --; | |
4825 | /* GCC computes the kind as the upper byte in the CU index | |
4826 | word, and then right shifts it by the CU index size. | |
4827 | Left shift KIND to where the gdb-index.h accessor macros | |
4828 | can use it. */ | |
4829 | kind_data <<= GDB_INDEX_CU_BITSIZE; | |
4830 | kind = GDB_INDEX_SYMBOL_KIND_VALUE (kind_data); | |
4831 | kind_name = get_gdb_index_symbol_kind_name (kind); | |
4832 | is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (kind_data); | |
4833 | printf (" %-6lx %s,%-10s %.*s\n", | |
4834 | (unsigned long) offset, is_static ? _("s") : _("g"), | |
4835 | kind_name, (int) maxprint, data); | |
19e6b90e | 4836 | } |
e98fdf1a AM |
4837 | else |
4838 | printf (" %-6lx\t%.*s\n", | |
4839 | (unsigned long) offset, (int) maxprint, data); | |
4840 | ||
4841 | data += strnlen ((char *) data, maxprint) + 1; | |
4842 | if (data >= end) | |
4843 | break; | |
19e6b90e | 4844 | } |
19e6b90e L |
4845 | } |
4846 | ||
4847 | printf ("\n"); | |
4848 | return 1; | |
4849 | } | |
4850 | ||
459d52c8 DE |
4851 | static int |
4852 | display_debug_pubnames (struct dwarf_section *section, void *file) | |
4853 | { | |
4854 | return display_debug_pubnames_worker (section, file, 0); | |
4855 | } | |
4856 | ||
4857 | static int | |
4858 | display_debug_gnu_pubnames (struct dwarf_section *section, void *file) | |
4859 | { | |
4860 | return display_debug_pubnames_worker (section, file, 1); | |
4861 | } | |
4862 | ||
19e6b90e L |
4863 | static int |
4864 | display_debug_macinfo (struct dwarf_section *section, | |
4865 | void *file ATTRIBUTE_UNUSED) | |
4866 | { | |
4867 | unsigned char *start = section->start; | |
4868 | unsigned char *end = start + section->size; | |
4869 | unsigned char *curr = start; | |
4870 | unsigned int bytes_read; | |
4871 | enum dwarf_macinfo_record_type op; | |
4872 | ||
dda8d76d | 4873 | introduce (section, FALSE); |
19e6b90e L |
4874 | |
4875 | while (curr < end) | |
4876 | { | |
4877 | unsigned int lineno; | |
0c588247 | 4878 | const unsigned char *string; |
19e6b90e | 4879 | |
3f5e193b | 4880 | op = (enum dwarf_macinfo_record_type) *curr; |
19e6b90e L |
4881 | curr++; |
4882 | ||
4883 | switch (op) | |
4884 | { | |
4885 | case DW_MACINFO_start_file: | |
4886 | { | |
4887 | unsigned int filenum; | |
4888 | ||
f6f0e17b | 4889 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 4890 | curr += bytes_read; |
f6f0e17b | 4891 | filenum = read_uleb128 (curr, & bytes_read, end); |
19e6b90e L |
4892 | curr += bytes_read; |
4893 | ||
4894 | printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), | |
4895 | lineno, filenum); | |
4896 | } | |
4897 | break; | |
4898 | ||
4899 | case DW_MACINFO_end_file: | |
4900 | printf (_(" DW_MACINFO_end_file\n")); | |
4901 | break; | |
4902 | ||
4903 | case DW_MACINFO_define: | |
f6f0e17b | 4904 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 4905 | curr += bytes_read; |
0c588247 NC |
4906 | string = curr; |
4907 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
4908 | printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"), |
4909 | lineno, string); | |
4910 | break; | |
4911 | ||
4912 | case DW_MACINFO_undef: | |
f6f0e17b | 4913 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 4914 | curr += bytes_read; |
0c588247 NC |
4915 | string = curr; |
4916 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
4917 | printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"), |
4918 | lineno, string); | |
4919 | break; | |
4920 | ||
4921 | case DW_MACINFO_vendor_ext: | |
4922 | { | |
4923 | unsigned int constant; | |
4924 | ||
f6f0e17b | 4925 | constant = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 4926 | curr += bytes_read; |
0c588247 NC |
4927 | string = curr; |
4928 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
4929 | printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), |
4930 | constant, string); | |
4931 | } | |
4932 | break; | |
4933 | } | |
4934 | } | |
4935 | ||
4936 | return 1; | |
4937 | } | |
4938 | ||
4ccf1e31 JJ |
4939 | /* Given LINE_OFFSET into the .debug_line section, attempt to return |
4940 | filename and dirname corresponding to file name table entry with index | |
4941 | FILEIDX. Return NULL on failure. */ | |
4942 | ||
4943 | static unsigned char * | |
f6f0e17b NC |
4944 | get_line_filename_and_dirname (dwarf_vma line_offset, |
4945 | dwarf_vma fileidx, | |
4ccf1e31 JJ |
4946 | unsigned char **dir_name) |
4947 | { | |
4948 | struct dwarf_section *section = &debug_displays [line].section; | |
4949 | unsigned char *hdrptr, *dirtable, *file_name; | |
4950 | unsigned int offset_size, initial_length_size; | |
4951 | unsigned int version, opcode_base, bytes_read; | |
4952 | dwarf_vma length, diridx; | |
f6f0e17b | 4953 | const unsigned char * end; |
4ccf1e31 JJ |
4954 | |
4955 | *dir_name = NULL; | |
4956 | if (section->start == NULL | |
4957 | || line_offset >= section->size | |
4958 | || fileidx == 0) | |
4959 | return NULL; | |
4960 | ||
4961 | hdrptr = section->start + line_offset; | |
f6f0e17b | 4962 | end = section->start + section->size; |
0c588247 NC |
4963 | |
4964 | SAFE_BYTE_GET_AND_INC (length, hdrptr, 4, end); | |
4ccf1e31 JJ |
4965 | if (length == 0xffffffff) |
4966 | { | |
4967 | /* This section is 64-bit DWARF 3. */ | |
0c588247 | 4968 | SAFE_BYTE_GET_AND_INC (length, hdrptr, 8, end); |
4ccf1e31 JJ |
4969 | offset_size = 8; |
4970 | initial_length_size = 12; | |
4971 | } | |
4972 | else | |
4973 | { | |
4974 | offset_size = 4; | |
4975 | initial_length_size = 4; | |
4976 | } | |
e98fdf1a AM |
4977 | if (length + initial_length_size < length |
4978 | || length + initial_length_size > section->size) | |
4ccf1e31 | 4979 | return NULL; |
0c588247 NC |
4980 | |
4981 | SAFE_BYTE_GET_AND_INC (version, hdrptr, 2, end); | |
4ccf1e31 JJ |
4982 | if (version != 2 && version != 3 && version != 4) |
4983 | return NULL; | |
4984 | hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */ | |
4985 | if (version >= 4) | |
4986 | hdrptr++; /* Skip max_ops_per_insn. */ | |
4987 | hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */ | |
0c588247 NC |
4988 | |
4989 | SAFE_BYTE_GET_AND_INC (opcode_base, hdrptr, 1, end); | |
4ccf1e31 JJ |
4990 | if (opcode_base == 0) |
4991 | return NULL; | |
0c588247 | 4992 | |
4ccf1e31 | 4993 | hdrptr += opcode_base - 1; |
5c1c468d NC |
4994 | if (hdrptr >= end) |
4995 | return NULL; | |
4996 | ||
4ccf1e31 JJ |
4997 | dirtable = hdrptr; |
4998 | /* Skip over dirname table. */ | |
4999 | while (*hdrptr != '\0') | |
5c1c468d NC |
5000 | { |
5001 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; | |
5002 | if (hdrptr >= end) | |
5003 | return NULL; | |
5004 | } | |
4ccf1e31 | 5005 | hdrptr++; /* Skip the NUL at the end of the table. */ |
5c1c468d | 5006 | |
4ccf1e31 | 5007 | /* Now skip over preceding filename table entries. */ |
5c1c468d | 5008 | for (; hdrptr < end && *hdrptr != '\0' && fileidx > 1; fileidx--) |
4ccf1e31 | 5009 | { |
0c588247 | 5010 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
f6f0e17b | 5011 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 | 5012 | hdrptr += bytes_read; |
f6f0e17b | 5013 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 | 5014 | hdrptr += bytes_read; |
f6f0e17b | 5015 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 JJ |
5016 | hdrptr += bytes_read; |
5017 | } | |
5c1c468d | 5018 | if (hdrptr >= end || *hdrptr == '\0') |
4ccf1e31 | 5019 | return NULL; |
5c1c468d | 5020 | |
4ccf1e31 | 5021 | file_name = hdrptr; |
0c588247 | 5022 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
5c1c468d NC |
5023 | if (hdrptr >= end) |
5024 | return NULL; | |
f6f0e17b | 5025 | diridx = read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 JJ |
5026 | if (diridx == 0) |
5027 | return file_name; | |
5c1c468d | 5028 | for (; dirtable < end && *dirtable != '\0' && diridx > 1; diridx--) |
0c588247 | 5029 | dirtable += strnlen ((char *) dirtable, end - dirtable) + 1; |
5c1c468d | 5030 | if (dirtable >= end || *dirtable == '\0') |
4ccf1e31 JJ |
5031 | return NULL; |
5032 | *dir_name = dirtable; | |
5033 | return file_name; | |
5034 | } | |
5035 | ||
5036 | static int | |
5037 | display_debug_macro (struct dwarf_section *section, | |
5038 | void *file) | |
5039 | { | |
5040 | unsigned char *start = section->start; | |
5041 | unsigned char *end = start + section->size; | |
5042 | unsigned char *curr = start; | |
5043 | unsigned char *extended_op_buf[256]; | |
5044 | unsigned int bytes_read; | |
5045 | ||
dda8d76d NC |
5046 | load_debug_section_with_follow (str, file); |
5047 | load_debug_section_with_follow (line, file); | |
4ccf1e31 | 5048 | |
dda8d76d | 5049 | introduce (section, FALSE); |
4ccf1e31 JJ |
5050 | |
5051 | while (curr < end) | |
5052 | { | |
5053 | unsigned int lineno, version, flags; | |
5054 | unsigned int offset_size = 4; | |
0c588247 | 5055 | const unsigned char *string; |
4ccf1e31 JJ |
5056 | dwarf_vma line_offset = 0, sec_offset = curr - start, offset; |
5057 | unsigned char **extended_ops = NULL; | |
5058 | ||
0c588247 | 5059 | SAFE_BYTE_GET_AND_INC (version, curr, 2, end); |
7a7e1061 | 5060 | if (version != 4 && version != 5) |
4ccf1e31 | 5061 | { |
7a7e1061 | 5062 | error (_("Only GNU extension to DWARF 4 or 5 of %s is currently supported.\n"), |
4ccf1e31 JJ |
5063 | section->name); |
5064 | return 0; | |
5065 | } | |
5066 | ||
0c588247 | 5067 | SAFE_BYTE_GET_AND_INC (flags, curr, 1, end); |
4ccf1e31 JJ |
5068 | if (flags & 1) |
5069 | offset_size = 8; | |
5070 | printf (_(" Offset: 0x%lx\n"), | |
5071 | (unsigned long) sec_offset); | |
5072 | printf (_(" Version: %d\n"), version); | |
5073 | printf (_(" Offset size: %d\n"), offset_size); | |
5074 | if (flags & 2) | |
5075 | { | |
0c588247 | 5076 | SAFE_BYTE_GET_AND_INC (line_offset, curr, offset_size, end); |
4ccf1e31 JJ |
5077 | printf (_(" Offset into .debug_line: 0x%lx\n"), |
5078 | (unsigned long) line_offset); | |
5079 | } | |
5080 | if (flags & 4) | |
5081 | { | |
0c588247 | 5082 | unsigned int i, count, op; |
4ccf1e31 | 5083 | dwarf_vma nargs, n; |
0c588247 NC |
5084 | |
5085 | SAFE_BYTE_GET_AND_INC (count, curr, 1, end); | |
bf5117e3 | 5086 | |
4ccf1e31 JJ |
5087 | memset (extended_op_buf, 0, sizeof (extended_op_buf)); |
5088 | extended_ops = extended_op_buf; | |
5089 | if (count) | |
5090 | { | |
5091 | printf (_(" Extension opcode arguments:\n")); | |
5092 | for (i = 0; i < count; i++) | |
5093 | { | |
0c588247 | 5094 | SAFE_BYTE_GET_AND_INC (op, curr, 1, end); |
4ccf1e31 | 5095 | extended_ops[op] = curr; |
f6f0e17b | 5096 | nargs = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 JJ |
5097 | curr += bytes_read; |
5098 | if (nargs == 0) | |
7a7e1061 | 5099 | printf (_(" DW_MACRO_%02x has no arguments\n"), op); |
4ccf1e31 JJ |
5100 | else |
5101 | { | |
7a7e1061 | 5102 | printf (_(" DW_MACRO_%02x arguments: "), op); |
4ccf1e31 JJ |
5103 | for (n = 0; n < nargs; n++) |
5104 | { | |
0c588247 NC |
5105 | unsigned int form; |
5106 | ||
5107 | SAFE_BYTE_GET_AND_INC (form, curr, 1, end); | |
4ccf1e31 JJ |
5108 | printf ("%s%s", get_FORM_name (form), |
5109 | n == nargs - 1 ? "\n" : ", "); | |
5110 | switch (form) | |
5111 | { | |
5112 | case DW_FORM_data1: | |
5113 | case DW_FORM_data2: | |
5114 | case DW_FORM_data4: | |
5115 | case DW_FORM_data8: | |
5116 | case DW_FORM_sdata: | |
5117 | case DW_FORM_udata: | |
5118 | case DW_FORM_block: | |
5119 | case DW_FORM_block1: | |
5120 | case DW_FORM_block2: | |
5121 | case DW_FORM_block4: | |
5122 | case DW_FORM_flag: | |
5123 | case DW_FORM_string: | |
5124 | case DW_FORM_strp: | |
5125 | case DW_FORM_sec_offset: | |
5126 | break; | |
5127 | default: | |
5128 | error (_("Invalid extension opcode form %s\n"), | |
5129 | get_FORM_name (form)); | |
5130 | return 0; | |
5131 | } | |
5132 | } | |
5133 | } | |
5134 | } | |
5135 | } | |
5136 | } | |
5137 | printf ("\n"); | |
5138 | ||
5139 | while (1) | |
5140 | { | |
5141 | unsigned int op; | |
5142 | ||
5143 | if (curr >= end) | |
5144 | { | |
5145 | error (_(".debug_macro section not zero terminated\n")); | |
5146 | return 0; | |
5147 | } | |
5148 | ||
0c588247 | 5149 | SAFE_BYTE_GET_AND_INC (op, curr, 1, end); |
4ccf1e31 JJ |
5150 | if (op == 0) |
5151 | break; | |
5152 | ||
5153 | switch (op) | |
5154 | { | |
7a7e1061 | 5155 | case DW_MACRO_start_file: |
4ccf1e31 JJ |
5156 | { |
5157 | unsigned int filenum; | |
5158 | unsigned char *file_name = NULL, *dir_name = NULL; | |
5159 | ||
f6f0e17b | 5160 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 5161 | curr += bytes_read; |
f6f0e17b | 5162 | filenum = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 JJ |
5163 | curr += bytes_read; |
5164 | ||
5165 | if ((flags & 2) == 0) | |
7a7e1061 | 5166 | error (_("DW_MACRO_start_file used, but no .debug_line offset provided.\n")); |
4ccf1e31 JJ |
5167 | else |
5168 | file_name | |
5169 | = get_line_filename_and_dirname (line_offset, filenum, | |
5170 | &dir_name); | |
5171 | if (file_name == NULL) | |
7a7e1061 | 5172 | printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d\n"), |
4ccf1e31 JJ |
5173 | lineno, filenum); |
5174 | else | |
7a7e1061 | 5175 | printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d filename: %s%s%s\n"), |
4ccf1e31 JJ |
5176 | lineno, filenum, |
5177 | dir_name != NULL ? (const char *) dir_name : "", | |
5178 | dir_name != NULL ? "/" : "", file_name); | |
5179 | } | |
5180 | break; | |
5181 | ||
7a7e1061 JK |
5182 | case DW_MACRO_end_file: |
5183 | printf (_(" DW_MACRO_end_file\n")); | |
4ccf1e31 JJ |
5184 | break; |
5185 | ||
7a7e1061 | 5186 | case DW_MACRO_define: |
f6f0e17b | 5187 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 5188 | curr += bytes_read; |
0c588247 NC |
5189 | string = curr; |
5190 | curr += strnlen ((char *) string, end - string) + 1; | |
7a7e1061 | 5191 | printf (_(" DW_MACRO_define - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
5192 | lineno, string); |
5193 | break; | |
5194 | ||
7a7e1061 | 5195 | case DW_MACRO_undef: |
f6f0e17b | 5196 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 5197 | curr += bytes_read; |
0c588247 NC |
5198 | string = curr; |
5199 | curr += strnlen ((char *) string, end - string) + 1; | |
7a7e1061 | 5200 | printf (_(" DW_MACRO_undef - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
5201 | lineno, string); |
5202 | break; | |
5203 | ||
7a7e1061 | 5204 | case DW_MACRO_define_strp: |
f6f0e17b | 5205 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 5206 | curr += bytes_read; |
0c588247 | 5207 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 | 5208 | string = fetch_indirect_string (offset); |
7a7e1061 | 5209 | printf (_(" DW_MACRO_define_strp - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
5210 | lineno, string); |
5211 | break; | |
5212 | ||
7a7e1061 | 5213 | case DW_MACRO_undef_strp: |
f6f0e17b | 5214 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 5215 | curr += bytes_read; |
0c588247 | 5216 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 | 5217 | string = fetch_indirect_string (offset); |
7a7e1061 | 5218 | printf (_(" DW_MACRO_undef_strp - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
5219 | lineno, string); |
5220 | break; | |
5221 | ||
7a7e1061 | 5222 | case DW_MACRO_import: |
0c588247 | 5223 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 5224 | printf (_(" DW_MACRO_import - offset : 0x%lx\n"), |
4ccf1e31 JJ |
5225 | (unsigned long) offset); |
5226 | break; | |
5227 | ||
7a7e1061 | 5228 | case DW_MACRO_define_sup: |
f6f0e17b | 5229 | lineno = read_uleb128 (curr, &bytes_read, end); |
a081f3cd | 5230 | curr += bytes_read; |
0c588247 | 5231 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 5232 | printf (_(" DW_MACRO_define_sup - lineno : %d macro offset : 0x%lx\n"), |
a081f3cd JJ |
5233 | lineno, (unsigned long) offset); |
5234 | break; | |
5235 | ||
7a7e1061 | 5236 | case DW_MACRO_undef_sup: |
f6f0e17b | 5237 | lineno = read_uleb128 (curr, &bytes_read, end); |
a081f3cd | 5238 | curr += bytes_read; |
0c588247 | 5239 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 5240 | printf (_(" DW_MACRO_undef_sup - lineno : %d macro offset : 0x%lx\n"), |
a081f3cd JJ |
5241 | lineno, (unsigned long) offset); |
5242 | break; | |
5243 | ||
7a7e1061 | 5244 | case DW_MACRO_import_sup: |
0c588247 | 5245 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 5246 | printf (_(" DW_MACRO_import_sup - offset : 0x%lx\n"), |
a081f3cd JJ |
5247 | (unsigned long) offset); |
5248 | break; | |
5249 | ||
4ccf1e31 JJ |
5250 | default: |
5251 | if (extended_ops == NULL || extended_ops[op] == NULL) | |
5252 | { | |
5253 | error (_(" Unknown macro opcode %02x seen\n"), op); | |
5254 | return 0; | |
5255 | } | |
5256 | else | |
5257 | { | |
5258 | /* Skip over unhandled opcodes. */ | |
5259 | dwarf_vma nargs, n; | |
5260 | unsigned char *desc = extended_ops[op]; | |
f6f0e17b | 5261 | nargs = read_uleb128 (desc, &bytes_read, end); |
4ccf1e31 JJ |
5262 | desc += bytes_read; |
5263 | if (nargs == 0) | |
5264 | { | |
7a7e1061 | 5265 | printf (_(" DW_MACRO_%02x\n"), op); |
4ccf1e31 JJ |
5266 | break; |
5267 | } | |
7a7e1061 | 5268 | printf (_(" DW_MACRO_%02x -"), op); |
4ccf1e31 JJ |
5269 | for (n = 0; n < nargs; n++) |
5270 | { | |
0c588247 NC |
5271 | int val; |
5272 | ||
77145576 | 5273 | /* DW_FORM_implicit_const is not expected here. */ |
0c588247 | 5274 | SAFE_BYTE_GET_AND_INC (val, desc, 1, end); |
4ccf1e31 | 5275 | curr |
77145576 | 5276 | = read_and_display_attr_value (0, val, 0, |
f6f0e17b | 5277 | curr, end, 0, 0, offset_size, |
341f9135 | 5278 | version, NULL, 0, NULL, |
ef0b5f1c | 5279 | NULL, ' '); |
4ccf1e31 JJ |
5280 | if (n != nargs - 1) |
5281 | printf (","); | |
5282 | } | |
5283 | printf ("\n"); | |
5284 | } | |
5285 | break; | |
5286 | } | |
5287 | } | |
5288 | ||
5289 | printf ("\n"); | |
b4eb7656 | 5290 | } |
4ccf1e31 JJ |
5291 | |
5292 | return 1; | |
5293 | } | |
5294 | ||
19e6b90e L |
5295 | static int |
5296 | display_debug_abbrev (struct dwarf_section *section, | |
5297 | void *file ATTRIBUTE_UNUSED) | |
5298 | { | |
5299 | abbrev_entry *entry; | |
5300 | unsigned char *start = section->start; | |
5301 | unsigned char *end = start + section->size; | |
5302 | ||
dda8d76d | 5303 | introduce (section, FALSE); |
19e6b90e L |
5304 | |
5305 | do | |
5306 | { | |
7282333f AM |
5307 | unsigned char *last; |
5308 | ||
19e6b90e L |
5309 | free_abbrevs (); |
5310 | ||
7282333f | 5311 | last = start; |
19e6b90e L |
5312 | start = process_abbrev_section (start, end); |
5313 | ||
5314 | if (first_abbrev == NULL) | |
5315 | continue; | |
5316 | ||
7282333f | 5317 | printf (_(" Number TAG (0x%lx)\n"), (long) (last - section->start)); |
19e6b90e L |
5318 | |
5319 | for (entry = first_abbrev; entry; entry = entry->next) | |
5320 | { | |
5321 | abbrev_attr *attr; | |
5322 | ||
cc5914eb | 5323 | printf (" %ld %s [%s]\n", |
19e6b90e L |
5324 | entry->entry, |
5325 | get_TAG_name (entry->tag), | |
5326 | entry->children ? _("has children") : _("no children")); | |
5327 | ||
5328 | for (attr = entry->first_attr; attr; attr = attr->next) | |
77145576 JK |
5329 | { |
5330 | printf (" %-18s %s", | |
5331 | get_AT_name (attr->attribute), | |
5332 | get_FORM_name (attr->form)); | |
5333 | if (attr->form == DW_FORM_implicit_const) | |
5334 | printf (": %" BFD_VMA_FMT "d", attr->implicit_const); | |
5335 | putchar ('\n'); | |
5336 | } | |
19e6b90e L |
5337 | } |
5338 | } | |
5339 | while (start); | |
5340 | ||
5341 | printf ("\n"); | |
5342 | ||
5343 | return 1; | |
5344 | } | |
5345 | ||
42bcef4a AB |
5346 | /* Return true when ADDR is the maximum address, when addresses are |
5347 | POINTER_SIZE bytes long. */ | |
5348 | ||
5349 | static bfd_boolean | |
5350 | is_max_address (dwarf_vma addr, unsigned int pointer_size) | |
5351 | { | |
5352 | dwarf_vma mask = ~(~(dwarf_vma) 1 << (pointer_size * 8 - 1)); | |
5353 | return ((addr & mask) == mask); | |
5354 | } | |
5355 | ||
9f272209 AO |
5356 | /* Display a view pair list starting at *VSTART_PTR and ending at |
5357 | VLISTEND within SECTION. */ | |
5358 | ||
5359 | static void | |
5360 | display_view_pair_list (struct dwarf_section *section, | |
5361 | unsigned char **vstart_ptr, | |
5362 | unsigned int debug_info_entry, | |
5363 | unsigned char *vlistend) | |
5364 | { | |
5365 | unsigned char *vstart = *vstart_ptr; | |
5366 | unsigned char *section_end = section->start + section->size; | |
5367 | unsigned int pointer_size = debug_information [debug_info_entry].pointer_size; | |
5368 | ||
5369 | if (vlistend < section_end) | |
5370 | section_end = vlistend; | |
5371 | ||
5372 | putchar ('\n'); | |
5373 | ||
5374 | while (vstart < section_end) | |
5375 | { | |
5376 | dwarf_vma off = vstart - section->start; | |
5377 | dwarf_vma vbegin, vend; | |
5378 | ||
5379 | unsigned int bytes_read; | |
5380 | vbegin = read_uleb128 (vstart, &bytes_read, section_end); | |
5381 | vstart += bytes_read; | |
5382 | if (vstart == section_end) | |
5383 | { | |
5384 | vstart -= bytes_read; | |
5385 | break; | |
5386 | } | |
5387 | ||
5388 | vend = read_uleb128 (vstart, &bytes_read, section_end); | |
5389 | vstart += bytes_read; | |
5390 | ||
5391 | printf (" %8.8lx ", (unsigned long) off); | |
5392 | ||
5393 | print_dwarf_view (vbegin, pointer_size, 1); | |
5394 | print_dwarf_view (vend, pointer_size, 1); | |
5395 | printf (_("location view pair\n")); | |
5396 | } | |
5397 | ||
5398 | putchar ('\n'); | |
5399 | *vstart_ptr = vstart; | |
5400 | } | |
5401 | ||
4723351a CC |
5402 | /* Display a location list from a normal (ie, non-dwo) .debug_loc section. */ |
5403 | ||
5404 | static void | |
5405 | display_loc_list (struct dwarf_section *section, | |
b4eb7656 AM |
5406 | unsigned char **start_ptr, |
5407 | unsigned int debug_info_entry, | |
359ca075 JK |
5408 | dwarf_vma offset, |
5409 | dwarf_vma base_address, | |
9f272209 | 5410 | unsigned char **vstart_ptr, |
b4eb7656 | 5411 | int has_frame_base) |
4723351a | 5412 | { |
9f272209 | 5413 | unsigned char *start = *start_ptr, *vstart = *vstart_ptr; |
4723351a | 5414 | unsigned char *section_end = section->start + section->size; |
82b1b41b NC |
5415 | unsigned long cu_offset; |
5416 | unsigned int pointer_size; | |
5417 | unsigned int offset_size; | |
5418 | int dwarf_version; | |
4723351a CC |
5419 | |
5420 | dwarf_vma begin; | |
5421 | dwarf_vma end; | |
5422 | unsigned short length; | |
5423 | int need_frame_base; | |
5424 | ||
82b1b41b NC |
5425 | if (debug_info_entry >= num_debug_info_entries) |
5426 | { | |
5427 | warn (_("No debug information available for loc lists of entry: %u\n"), | |
5428 | debug_info_entry); | |
5429 | return; | |
5430 | } | |
b4eb7656 | 5431 | |
82b1b41b NC |
5432 | cu_offset = debug_information [debug_info_entry].cu_offset; |
5433 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
5434 | offset_size = debug_information [debug_info_entry].offset_size; | |
5435 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
b4eb7656 | 5436 | |
f41e4712 NC |
5437 | if (pointer_size < 2 || pointer_size > 8) |
5438 | { | |
5439 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
5440 | pointer_size, debug_info_entry); | |
5441 | return; | |
5442 | } | |
5443 | ||
4723351a CC |
5444 | while (1) |
5445 | { | |
359ca075 | 5446 | dwarf_vma off = offset + (start - *start_ptr); |
9f272209 | 5447 | dwarf_vma vbegin = vm1, vend = vm1; |
d1c4b12b | 5448 | |
4723351a | 5449 | if (start + 2 * pointer_size > section_end) |
b4eb7656 AM |
5450 | { |
5451 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5452 | (unsigned long) offset); |
b4eb7656 AM |
5453 | break; |
5454 | } | |
4723351a | 5455 | |
359ca075 | 5456 | printf (" %8.8lx ", (unsigned long) off); |
fab128ef | 5457 | |
0c588247 NC |
5458 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end); |
5459 | SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end); | |
4723351a | 5460 | |
4723351a | 5461 | if (begin == 0 && end == 0) |
b4eb7656 | 5462 | { |
d1c4b12b NC |
5463 | /* PR 18374: In a object file we can have a location list that |
5464 | starts with a begin and end of 0 because there are relocations | |
5465 | that need to be applied to the addresses. Actually applying | |
5466 | the relocations now does not help as they will probably resolve | |
5467 | to 0, since the object file has not been fully linked. Real | |
5468 | end of list markers will not have any relocations against them. */ | |
5469 | if (! reloc_at (section, off) | |
5470 | && ! reloc_at (section, off + pointer_size)) | |
5471 | { | |
5472 | printf (_("<End of list>\n")); | |
5473 | break; | |
5474 | } | |
b4eb7656 | 5475 | } |
4723351a CC |
5476 | |
5477 | /* Check base address specifiers. */ | |
42bcef4a AB |
5478 | if (is_max_address (begin, pointer_size) |
5479 | && !is_max_address (end, pointer_size)) | |
b4eb7656 AM |
5480 | { |
5481 | base_address = end; | |
5482 | print_dwarf_vma (begin, pointer_size); | |
5483 | print_dwarf_vma (end, pointer_size); | |
5484 | printf (_("(base address)\n")); | |
5485 | continue; | |
5486 | } | |
4723351a | 5487 | |
9f272209 AO |
5488 | if (vstart) |
5489 | { | |
5490 | unsigned int bytes_read; | |
5491 | ||
5492 | off = offset + (vstart - *start_ptr); | |
5493 | ||
5494 | vbegin = read_uleb128 (vstart, &bytes_read, section_end); | |
5495 | vstart += bytes_read; | |
5496 | print_dwarf_view (vbegin, pointer_size, 1); | |
5497 | ||
5498 | vend = read_uleb128 (vstart, &bytes_read, section_end); | |
5499 | vstart += bytes_read; | |
5500 | print_dwarf_view (vend, pointer_size, 1); | |
5501 | ||
5502 | printf (_("views at %8.8lx for:\n %*s "), | |
5503 | (unsigned long) off, 8, ""); | |
5504 | } | |
5505 | ||
4723351a | 5506 | if (start + 2 > section_end) |
b4eb7656 AM |
5507 | { |
5508 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5509 | (unsigned long) offset); |
b4eb7656 AM |
5510 | break; |
5511 | } | |
4723351a | 5512 | |
0c588247 | 5513 | SAFE_BYTE_GET_AND_INC (length, start, 2, section_end); |
4723351a CC |
5514 | |
5515 | if (start + length > section_end) | |
b4eb7656 AM |
5516 | { |
5517 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5518 | (unsigned long) offset); |
b4eb7656 AM |
5519 | break; |
5520 | } | |
4723351a CC |
5521 | |
5522 | print_dwarf_vma (begin + base_address, pointer_size); | |
5523 | print_dwarf_vma (end + base_address, pointer_size); | |
5524 | ||
5525 | putchar ('('); | |
5526 | need_frame_base = decode_location_expression (start, | |
b4eb7656 AM |
5527 | pointer_size, |
5528 | offset_size, | |
5529 | dwarf_version, | |
5530 | length, | |
5531 | cu_offset, section); | |
4723351a CC |
5532 | putchar (')'); |
5533 | ||
5534 | if (need_frame_base && !has_frame_base) | |
b4eb7656 | 5535 | printf (_(" [without DW_AT_frame_base]")); |
4723351a | 5536 | |
9f272209 | 5537 | if (begin == end && vbegin == vend) |
b4eb7656 | 5538 | fputs (_(" (start == end)"), stdout); |
9f272209 | 5539 | else if (begin > end || (begin == end && vbegin > vend)) |
b4eb7656 | 5540 | fputs (_(" (start > end)"), stdout); |
4723351a CC |
5541 | |
5542 | putchar ('\n'); | |
5543 | ||
5544 | start += length; | |
5545 | } | |
5546 | ||
5547 | *start_ptr = start; | |
9f272209 | 5548 | *vstart_ptr = vstart; |
4723351a CC |
5549 | } |
5550 | ||
77145576 JK |
5551 | /* Display a location list from a normal (ie, non-dwo) .debug_loclists section. */ |
5552 | ||
5553 | static void | |
5554 | display_loclists_list (struct dwarf_section *section, | |
5555 | unsigned char **start_ptr, | |
5556 | unsigned int debug_info_entry, | |
5557 | dwarf_vma offset, | |
5558 | dwarf_vma base_address, | |
9f272209 | 5559 | unsigned char **vstart_ptr, |
77145576 JK |
5560 | int has_frame_base) |
5561 | { | |
9f272209 | 5562 | unsigned char *start = *start_ptr, *vstart = *vstart_ptr; |
77145576 JK |
5563 | unsigned char *section_end = section->start + section->size; |
5564 | unsigned long cu_offset; | |
5565 | unsigned int pointer_size; | |
5566 | unsigned int offset_size; | |
5567 | int dwarf_version; | |
5568 | unsigned int bytes_read; | |
5569 | ||
9dfd0db9 | 5570 | /* Initialize it due to a false compiler warning. */ |
9f272209 AO |
5571 | dwarf_vma begin = -1, vbegin = -1; |
5572 | dwarf_vma end = -1, vend = -1; | |
77145576 JK |
5573 | dwarf_vma length; |
5574 | int need_frame_base; | |
5575 | ||
5576 | if (debug_info_entry >= num_debug_info_entries) | |
5577 | { | |
5578 | warn (_("No debug information available for " | |
5579 | "loclists lists of entry: %u\n"), | |
5580 | debug_info_entry); | |
5581 | return; | |
5582 | } | |
5583 | ||
5584 | cu_offset = debug_information [debug_info_entry].cu_offset; | |
5585 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
5586 | offset_size = debug_information [debug_info_entry].offset_size; | |
5587 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
5588 | ||
5589 | if (pointer_size < 2 || pointer_size > 8) | |
5590 | { | |
5591 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
5592 | pointer_size, debug_info_entry); | |
5593 | return; | |
5594 | } | |
5595 | ||
5596 | while (1) | |
5597 | { | |
5598 | dwarf_vma off = offset + (start - *start_ptr); | |
5599 | enum dwarf_location_list_entry_type llet; | |
5600 | ||
5601 | if (start + 1 > section_end) | |
5602 | { | |
5603 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
5604 | (unsigned long) offset); | |
5605 | break; | |
5606 | } | |
5607 | ||
5608 | printf (" %8.8lx ", (unsigned long) off); | |
5609 | ||
5610 | SAFE_BYTE_GET_AND_INC (llet, start, 1, section_end); | |
5611 | ||
9f272209 AO |
5612 | if (vstart && llet == DW_LLE_offset_pair) |
5613 | { | |
5614 | off = offset + (vstart - *start_ptr); | |
5615 | ||
5616 | vbegin = read_uleb128 (vstart, &bytes_read, section_end); | |
5617 | vstart += bytes_read; | |
5618 | print_dwarf_view (vbegin, pointer_size, 1); | |
5619 | ||
5620 | vend = read_uleb128 (vstart, &bytes_read, section_end); | |
5621 | vstart += bytes_read; | |
5622 | print_dwarf_view (vend, pointer_size, 1); | |
5623 | ||
5624 | printf (_("views at %8.8lx for:\n %*s "), | |
5625 | (unsigned long) off, 8, ""); | |
5626 | } | |
5627 | ||
77145576 JK |
5628 | switch (llet) |
5629 | { | |
5630 | case DW_LLE_end_of_list: | |
5631 | printf (_("<End of list>\n")); | |
5632 | break; | |
5633 | case DW_LLE_offset_pair: | |
5634 | begin = read_uleb128 (start, &bytes_read, section_end); | |
5635 | start += bytes_read; | |
5636 | end = read_uleb128 (start, &bytes_read, section_end); | |
5637 | start += bytes_read; | |
5638 | break; | |
5639 | case DW_LLE_base_address: | |
5640 | SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, | |
5641 | section_end); | |
5642 | print_dwarf_vma (base_address, pointer_size); | |
5643 | printf (_("(base address)\n")); | |
5644 | break; | |
9f272209 AO |
5645 | #ifdef DW_LLE_view_pair |
5646 | case DW_LLE_view_pair: | |
5647 | if (vstart) | |
5648 | printf (_("View pair entry in loclist with locviews attribute\n")); | |
5649 | vbegin = read_uleb128 (start, &bytes_read, section_end); | |
5650 | start += bytes_read; | |
5651 | print_dwarf_view (vbegin, pointer_size, 1); | |
5652 | ||
5653 | vend = read_uleb128 (start, &bytes_read, section_end); | |
5654 | start += bytes_read; | |
5655 | print_dwarf_view (vend, pointer_size, 1); | |
5656 | ||
5657 | printf (_("views for:\n")); | |
5658 | continue; | |
5659 | #endif | |
77145576 JK |
5660 | default: |
5661 | error (_("Invalid location list entry type %d\n"), llet); | |
5662 | return; | |
5663 | } | |
5664 | if (llet == DW_LLE_end_of_list) | |
5665 | break; | |
5666 | if (llet != DW_LLE_offset_pair) | |
5667 | continue; | |
5668 | ||
5669 | if (start + 2 > section_end) | |
5670 | { | |
5671 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
5672 | (unsigned long) offset); | |
5673 | break; | |
5674 | } | |
5675 | ||
5676 | length = read_uleb128 (start, &bytes_read, section_end); | |
5677 | start += bytes_read; | |
5678 | ||
5679 | print_dwarf_vma (begin + base_address, pointer_size); | |
5680 | print_dwarf_vma (end + base_address, pointer_size); | |
5681 | ||
5682 | putchar ('('); | |
5683 | need_frame_base = decode_location_expression (start, | |
5684 | pointer_size, | |
5685 | offset_size, | |
5686 | dwarf_version, | |
5687 | length, | |
5688 | cu_offset, section); | |
5689 | putchar (')'); | |
5690 | ||
5691 | if (need_frame_base && !has_frame_base) | |
5692 | printf (_(" [without DW_AT_frame_base]")); | |
5693 | ||
9f272209 | 5694 | if (begin == end && vbegin == vend) |
77145576 | 5695 | fputs (_(" (start == end)"), stdout); |
9f272209 | 5696 | else if (begin > end || (begin == end && vbegin > vend)) |
77145576 JK |
5697 | fputs (_(" (start > end)"), stdout); |
5698 | ||
5699 | putchar ('\n'); | |
5700 | ||
5701 | start += length; | |
9f272209 | 5702 | vbegin = vend = -1; |
77145576 JK |
5703 | } |
5704 | ||
9f272209 AO |
5705 | if (vbegin != vm1 || vend != vm1) |
5706 | printf (_("Trailing view pair not used in a range")); | |
5707 | ||
77145576 | 5708 | *start_ptr = start; |
9f272209 | 5709 | *vstart_ptr = vstart; |
77145576 JK |
5710 | } |
5711 | ||
fab128ef CC |
5712 | /* Print a .debug_addr table index in decimal, surrounded by square brackets, |
5713 | right-adjusted in a field of length LEN, and followed by a space. */ | |
5714 | ||
5715 | static void | |
5716 | print_addr_index (unsigned int idx, unsigned int len) | |
5717 | { | |
5718 | static char buf[15]; | |
5719 | snprintf (buf, sizeof (buf), "[%d]", idx); | |
341f9135 | 5720 | printf ("%*s ", len, buf); |
fab128ef CC |
5721 | } |
5722 | ||
4723351a CC |
5723 | /* Display a location list from a .dwo section. It uses address indexes rather |
5724 | than embedded addresses. This code closely follows display_loc_list, but the | |
5725 | two are sufficiently different that combining things is very ugly. */ | |
5726 | ||
5727 | static void | |
5728 | display_loc_list_dwo (struct dwarf_section *section, | |
b4eb7656 AM |
5729 | unsigned char **start_ptr, |
5730 | unsigned int debug_info_entry, | |
359ca075 | 5731 | dwarf_vma offset, |
9f272209 | 5732 | unsigned char **vstart_ptr, |
b4eb7656 | 5733 | int has_frame_base) |
4723351a | 5734 | { |
9f272209 | 5735 | unsigned char *start = *start_ptr, *vstart = *vstart_ptr; |
4723351a | 5736 | unsigned char *section_end = section->start + section->size; |
82b1b41b NC |
5737 | unsigned long cu_offset; |
5738 | unsigned int pointer_size; | |
5739 | unsigned int offset_size; | |
5740 | int dwarf_version; | |
4723351a CC |
5741 | int entry_type; |
5742 | unsigned short length; | |
5743 | int need_frame_base; | |
fab128ef | 5744 | unsigned int idx; |
4723351a CC |
5745 | unsigned int bytes_read; |
5746 | ||
82b1b41b NC |
5747 | if (debug_info_entry >= num_debug_info_entries) |
5748 | { | |
5749 | warn (_("No debug information for loc lists of entry: %u\n"), | |
5750 | debug_info_entry); | |
5751 | return; | |
5752 | } | |
5753 | ||
5754 | cu_offset = debug_information [debug_info_entry].cu_offset; | |
5755 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
5756 | offset_size = debug_information [debug_info_entry].offset_size; | |
5757 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
5758 | ||
f41e4712 NC |
5759 | if (pointer_size < 2 || pointer_size > 8) |
5760 | { | |
5761 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
5762 | pointer_size, debug_info_entry); | |
5763 | return; | |
5764 | } | |
5765 | ||
4723351a CC |
5766 | while (1) |
5767 | { | |
359ca075 | 5768 | printf (" %8.8lx ", (unsigned long) (offset + (start - *start_ptr))); |
4723351a | 5769 | |
fab128ef | 5770 | if (start >= section_end) |
b4eb7656 AM |
5771 | { |
5772 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5773 | (unsigned long) offset); |
b4eb7656 AM |
5774 | break; |
5775 | } | |
4723351a | 5776 | |
0c588247 | 5777 | SAFE_BYTE_GET_AND_INC (entry_type, start, 1, section_end); |
9f272209 AO |
5778 | |
5779 | if (vstart) | |
5780 | switch (entry_type) | |
5781 | { | |
5782 | default: | |
5783 | break; | |
5784 | ||
5785 | case 2: | |
5786 | case 3: | |
5787 | case 4: | |
5788 | { | |
5789 | dwarf_vma view; | |
5790 | dwarf_vma off = offset + (vstart - *start_ptr); | |
5791 | ||
5792 | view = read_uleb128 (vstart, &bytes_read, section_end); | |
5793 | vstart += bytes_read; | |
5794 | print_dwarf_view (view, 8, 1); | |
5795 | ||
5796 | view = read_uleb128 (vstart, &bytes_read, section_end); | |
5797 | vstart += bytes_read; | |
5798 | print_dwarf_view (view, 8, 1); | |
5799 | ||
5800 | printf (_("views at %8.8lx for:\n %*s "), | |
5801 | (unsigned long) off, 8, ""); | |
5802 | ||
5803 | } | |
5804 | break; | |
5805 | } | |
5806 | ||
4723351a | 5807 | switch (entry_type) |
b4eb7656 AM |
5808 | { |
5809 | case 0: /* A terminating entry. */ | |
5810 | *start_ptr = start; | |
9f272209 | 5811 | *vstart_ptr = vstart; |
b4eb7656 AM |
5812 | printf (_("<End of list>\n")); |
5813 | return; | |
5814 | case 1: /* A base-address entry. */ | |
5815 | idx = read_uleb128 (start, &bytes_read, section_end); | |
5816 | start += bytes_read; | |
5817 | print_addr_index (idx, 8); | |
9f272209 | 5818 | printf ("%*s", 9 + (vstart ? 2 * 6 : 0), ""); |
b4eb7656 AM |
5819 | printf (_("(base address selection entry)\n")); |
5820 | continue; | |
5821 | case 2: /* A start/end entry. */ | |
5822 | idx = read_uleb128 (start, &bytes_read, section_end); | |
5823 | start += bytes_read; | |
5824 | print_addr_index (idx, 8); | |
5825 | idx = read_uleb128 (start, &bytes_read, section_end); | |
5826 | start += bytes_read; | |
5827 | print_addr_index (idx, 8); | |
5828 | break; | |
5829 | case 3: /* A start/length entry. */ | |
5830 | idx = read_uleb128 (start, &bytes_read, section_end); | |
5831 | start += bytes_read; | |
5832 | print_addr_index (idx, 8); | |
5833 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
5834 | printf ("%08x ", idx); | |
5835 | break; | |
5836 | case 4: /* An offset pair entry. */ | |
5837 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
5838 | printf ("%08x ", idx); | |
5839 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
5840 | printf ("%08x ", idx); | |
5841 | break; | |
5842 | default: | |
5843 | warn (_("Unknown location list entry type 0x%x.\n"), entry_type); | |
5844 | *start_ptr = start; | |
9f272209 | 5845 | *vstart_ptr = vstart; |
b4eb7656 AM |
5846 | return; |
5847 | } | |
4723351a CC |
5848 | |
5849 | if (start + 2 > section_end) | |
b4eb7656 AM |
5850 | { |
5851 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5852 | (unsigned long) offset); |
b4eb7656 AM |
5853 | break; |
5854 | } | |
4723351a | 5855 | |
0c588247 | 5856 | SAFE_BYTE_GET_AND_INC (length, start, 2, section_end); |
4723351a | 5857 | if (start + length > section_end) |
b4eb7656 AM |
5858 | { |
5859 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5860 | (unsigned long) offset); |
b4eb7656 AM |
5861 | break; |
5862 | } | |
4723351a CC |
5863 | |
5864 | putchar ('('); | |
5865 | need_frame_base = decode_location_expression (start, | |
b4eb7656 AM |
5866 | pointer_size, |
5867 | offset_size, | |
5868 | dwarf_version, | |
5869 | length, | |
5870 | cu_offset, section); | |
4723351a CC |
5871 | putchar (')'); |
5872 | ||
5873 | if (need_frame_base && !has_frame_base) | |
b4eb7656 | 5874 | printf (_(" [without DW_AT_frame_base]")); |
4723351a CC |
5875 | |
5876 | putchar ('\n'); | |
5877 | ||
5878 | start += length; | |
5879 | } | |
5880 | ||
5881 | *start_ptr = start; | |
9f272209 | 5882 | *vstart_ptr = vstart; |
4723351a CC |
5883 | } |
5884 | ||
9f272209 AO |
5885 | /* Sort array of indexes in ascending order of loc_offsets[idx] and |
5886 | loc_views. */ | |
51d0d03f | 5887 | |
9f272209 | 5888 | static dwarf_vma *loc_offsets, *loc_views; |
51d0d03f JJ |
5889 | |
5890 | static int | |
5891 | loc_offsets_compar (const void *ap, const void *bp) | |
5892 | { | |
5893 | dwarf_vma a = loc_offsets[*(const unsigned int *) ap]; | |
5894 | dwarf_vma b = loc_offsets[*(const unsigned int *) bp]; | |
5895 | ||
9f272209 AO |
5896 | int ret = (a > b) - (b > a); |
5897 | if (ret) | |
5898 | return ret; | |
5899 | ||
5900 | a = loc_views[*(const unsigned int *) ap]; | |
5901 | b = loc_views[*(const unsigned int *) bp]; | |
5902 | ||
5903 | ret = (a > b) - (b > a); | |
5904 | ||
5905 | return ret; | |
51d0d03f JJ |
5906 | } |
5907 | ||
19e6b90e L |
5908 | static int |
5909 | display_debug_loc (struct dwarf_section *section, void *file) | |
5910 | { | |
9f272209 | 5911 | unsigned char *start = section->start, *vstart = NULL; |
19e6b90e L |
5912 | unsigned long bytes; |
5913 | unsigned char *section_begin = start; | |
5914 | unsigned int num_loc_list = 0; | |
5915 | unsigned long last_offset = 0; | |
9f272209 | 5916 | unsigned long last_view = 0; |
19e6b90e L |
5917 | unsigned int first = 0; |
5918 | unsigned int i; | |
5919 | unsigned int j; | |
5920 | int seen_first_offset = 0; | |
51d0d03f | 5921 | int locs_sorted = 1; |
9f272209 | 5922 | unsigned char *next = start, *vnext = vstart; |
51d0d03f | 5923 | unsigned int *array = NULL; |
4723351a CC |
5924 | const char *suffix = strrchr (section->name, '.'); |
5925 | int is_dwo = 0; | |
77145576 JK |
5926 | int is_loclists = strstr (section->name, "debug_loclists") != NULL; |
5927 | dwarf_vma expected_start = 0; | |
4723351a CC |
5928 | |
5929 | if (suffix && strcmp (suffix, ".dwo") == 0) | |
5930 | is_dwo = 1; | |
19e6b90e L |
5931 | |
5932 | bytes = section->size; | |
19e6b90e L |
5933 | |
5934 | if (bytes == 0) | |
5935 | { | |
5936 | printf (_("\nThe %s section is empty.\n"), section->name); | |
5937 | return 0; | |
5938 | } | |
5939 | ||
77145576 JK |
5940 | if (is_loclists) |
5941 | { | |
5942 | unsigned char *hdrptr = section_begin; | |
5943 | dwarf_vma ll_length; | |
5944 | unsigned short ll_version; | |
5945 | unsigned char *end = section_begin + section->size; | |
5946 | unsigned char address_size, segment_selector_size; | |
5947 | uint32_t offset_entry_count; | |
5948 | ||
5949 | SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 4, end); | |
5950 | if (ll_length == 0xffffffff) | |
5951 | SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 8, end); | |
5952 | ||
5953 | SAFE_BYTE_GET_AND_INC (ll_version, hdrptr, 2, end); | |
5954 | if (ll_version != 5) | |
5955 | { | |
5956 | warn (_("The %s section contains corrupt or " | |
5957 | "unsupported version number: %d.\n"), | |
5958 | section->name, ll_version); | |
5959 | return 0; | |
5960 | } | |
5961 | ||
5962 | SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end); | |
5963 | ||
5964 | SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end); | |
5965 | if (segment_selector_size != 0) | |
5966 | { | |
5967 | warn (_("The %s section contains " | |
5968 | "unsupported segment selector size: %d.\n"), | |
5969 | section->name, segment_selector_size); | |
5970 | return 0; | |
5971 | } | |
5972 | ||
5973 | SAFE_BYTE_GET_AND_INC (offset_entry_count, hdrptr, 4, end); | |
5974 | if (offset_entry_count != 0) | |
5975 | { | |
5976 | warn (_("The %s section contains " | |
5977 | "unsupported offset entry count: %d.\n"), | |
5978 | section->name, offset_entry_count); | |
5979 | return 0; | |
5980 | } | |
5981 | ||
5982 | expected_start = hdrptr - section_begin; | |
5983 | } | |
5984 | ||
1febe64d NC |
5985 | if (load_debug_info (file) == 0) |
5986 | { | |
5987 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
5988 | section->name); | |
5989 | return 0; | |
5990 | } | |
19e6b90e L |
5991 | |
5992 | /* Check the order of location list in .debug_info section. If | |
5993 | offsets of location lists are in the ascending order, we can | |
5994 | use `debug_information' directly. */ | |
5995 | for (i = 0; i < num_debug_info_entries; i++) | |
5996 | { | |
5997 | unsigned int num; | |
5998 | ||
5999 | num = debug_information [i].num_loc_offsets; | |
51d0d03f JJ |
6000 | if (num > num_loc_list) |
6001 | num_loc_list = num; | |
19e6b90e L |
6002 | |
6003 | /* Check if we can use `debug_information' directly. */ | |
51d0d03f | 6004 | if (locs_sorted && num != 0) |
19e6b90e L |
6005 | { |
6006 | if (!seen_first_offset) | |
6007 | { | |
6008 | /* This is the first location list. */ | |
6009 | last_offset = debug_information [i].loc_offsets [0]; | |
9f272209 | 6010 | last_view = debug_information [i].loc_views [0]; |
19e6b90e L |
6011 | first = i; |
6012 | seen_first_offset = 1; | |
6013 | j = 1; | |
6014 | } | |
6015 | else | |
6016 | j = 0; | |
6017 | ||
6018 | for (; j < num; j++) | |
6019 | { | |
6020 | if (last_offset > | |
9f272209 AO |
6021 | debug_information [i].loc_offsets [j] |
6022 | || (last_offset == debug_information [i].loc_offsets [j] | |
6023 | && last_view > debug_information [i].loc_views [j])) | |
19e6b90e | 6024 | { |
51d0d03f | 6025 | locs_sorted = 0; |
19e6b90e L |
6026 | break; |
6027 | } | |
6028 | last_offset = debug_information [i].loc_offsets [j]; | |
9f272209 | 6029 | last_view = debug_information [i].loc_views [j]; |
19e6b90e L |
6030 | } |
6031 | } | |
6032 | } | |
6033 | ||
19e6b90e L |
6034 | if (!seen_first_offset) |
6035 | error (_("No location lists in .debug_info section!\n")); | |
6036 | ||
d4bfc77b | 6037 | if (debug_information [first].num_loc_offsets > 0 |
9f272209 AO |
6038 | && debug_information [first].loc_offsets [0] != expected_start |
6039 | && debug_information [first].loc_views [0] != expected_start) | |
47704ddf KT |
6040 | warn (_("Location lists in %s section start at 0x%s\n"), |
6041 | section->name, | |
6042 | dwarf_vmatoa ("x", debug_information [first].loc_offsets [0])); | |
19e6b90e | 6043 | |
51d0d03f JJ |
6044 | if (!locs_sorted) |
6045 | array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int)); | |
dda8d76d NC |
6046 | |
6047 | introduce (section, FALSE); | |
6048 | ||
d1c4b12b NC |
6049 | if (reloc_at (section, 0)) |
6050 | printf (_(" Warning: This section has relocations - addresses seen here may not be accurate.\n\n")); | |
dda8d76d | 6051 | |
d1c4b12b | 6052 | printf (_(" Offset Begin End Expression\n")); |
19e6b90e L |
6053 | |
6054 | seen_first_offset = 0; | |
6055 | for (i = first; i < num_debug_info_entries; i++) | |
6056 | { | |
9f272209 | 6057 | dwarf_vma offset, voffset; |
359ca075 | 6058 | dwarf_vma base_address; |
d1c4b12b | 6059 | unsigned int k; |
19e6b90e L |
6060 | int has_frame_base; |
6061 | ||
51d0d03f JJ |
6062 | if (!locs_sorted) |
6063 | { | |
6064 | for (k = 0; k < debug_information [i].num_loc_offsets; k++) | |
6065 | array[k] = k; | |
6066 | loc_offsets = debug_information [i].loc_offsets; | |
9f272209 | 6067 | loc_views = debug_information [i].loc_views; |
51d0d03f JJ |
6068 | qsort (array, debug_information [i].num_loc_offsets, |
6069 | sizeof (*array), loc_offsets_compar); | |
6070 | } | |
19e6b90e | 6071 | |
9f272209 | 6072 | int adjacent_view_loclists = 1; |
51d0d03f | 6073 | for (k = 0; k < debug_information [i].num_loc_offsets; k++) |
19e6b90e | 6074 | { |
51d0d03f JJ |
6075 | j = locs_sorted ? k : array[k]; |
6076 | if (k | |
9f272209 | 6077 | && (debug_information [i].loc_offsets [locs_sorted |
51d0d03f | 6078 | ? k - 1 : array [k - 1]] |
9f272209 AO |
6079 | == debug_information [i].loc_offsets [j]) |
6080 | && (debug_information [i].loc_views [locs_sorted | |
6081 | ? k - 1 : array [k - 1]] | |
6082 | == debug_information [i].loc_views [j])) | |
51d0d03f | 6083 | continue; |
19e6b90e | 6084 | has_frame_base = debug_information [i].have_frame_base [j]; |
d493b283 | 6085 | offset = debug_information [i].loc_offsets [j]; |
19e6b90e | 6086 | next = section_begin + offset; |
9f272209 AO |
6087 | voffset = debug_information [i].loc_views [j]; |
6088 | if (voffset != vm1) | |
6089 | vnext = section_begin + voffset; | |
6090 | else | |
6091 | vnext = NULL; | |
19e6b90e L |
6092 | base_address = debug_information [i].base_address; |
6093 | ||
9f272209 AO |
6094 | if (vnext && vnext < next) |
6095 | { | |
6096 | vstart = vnext; | |
6097 | display_view_pair_list (section, &vstart, i, next); | |
6098 | if (start == vnext) | |
6099 | start = vstart; | |
6100 | } | |
6101 | ||
6102 | if (!seen_first_offset || !adjacent_view_loclists) | |
19e6b90e L |
6103 | seen_first_offset = 1; |
6104 | else | |
6105 | { | |
6106 | if (start < next) | |
6107 | warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e | 6108 | (unsigned long) (start - section_begin), |
c8071705 | 6109 | (unsigned long) offset); |
19e6b90e L |
6110 | else if (start > next) |
6111 | warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e | 6112 | (unsigned long) (start - section_begin), |
c8071705 | 6113 | (unsigned long) offset); |
19e6b90e L |
6114 | } |
6115 | start = next; | |
9f272209 | 6116 | vstart = vnext; |
19e6b90e L |
6117 | |
6118 | if (offset >= bytes) | |
6119 | { | |
6120 | warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"), | |
359ca075 | 6121 | (unsigned long) offset); |
19e6b90e L |
6122 | continue; |
6123 | } | |
6124 | ||
9f272209 AO |
6125 | if (vnext && voffset >= bytes) |
6126 | { | |
6127 | warn (_("View Offset 0x%lx is bigger than .debug_loc section size.\n"), | |
6128 | (unsigned long) voffset); | |
6129 | continue; | |
6130 | } | |
6131 | ||
77145576 JK |
6132 | if (!is_loclists) |
6133 | { | |
6134 | if (is_dwo) | |
6135 | display_loc_list_dwo (section, &start, i, offset, | |
9f272209 | 6136 | &vstart, has_frame_base); |
77145576 JK |
6137 | else |
6138 | display_loc_list (section, &start, i, offset, base_address, | |
9f272209 | 6139 | &vstart, has_frame_base); |
77145576 | 6140 | } |
b4eb7656 | 6141 | else |
77145576 JK |
6142 | { |
6143 | if (is_dwo) | |
6144 | warn (_("DWO is not yet supported.\n")); | |
6145 | else | |
6146 | display_loclists_list (section, &start, i, offset, base_address, | |
9f272209 AO |
6147 | &vstart, has_frame_base); |
6148 | } | |
6149 | ||
6150 | /* FIXME: this arrangement is quite simplistic. Nothing | |
6151 | requires locview lists to be adjacent to corresponding | |
6152 | loclists, and a single loclist could be augmented by | |
6153 | different locview lists, and vice-versa, unlikely as it | |
6154 | is that it would make sense to do so. Hopefully we'll | |
6155 | have view pair support built into loclists before we ever | |
6156 | need to address all these possibilities. */ | |
6157 | if (adjacent_view_loclists && vnext | |
6158 | && vnext != start && vstart != next) | |
6159 | { | |
6160 | adjacent_view_loclists = 0; | |
6161 | warn (_("Hole and overlap detection requires adjacent view lists and loclists.\n")); | |
77145576 | 6162 | } |
9f272209 AO |
6163 | |
6164 | if (vnext && vnext == start) | |
6165 | display_view_pair_list (section, &start, i, vstart); | |
19e6b90e L |
6166 | } |
6167 | } | |
031cd65f | 6168 | |
4723351a | 6169 | if (start < section->start + section->size) |
d3a49aa8 AM |
6170 | warn (ngettext ("There is %ld unused byte at the end of section %s\n", |
6171 | "There are %ld unused bytes at the end of section %s\n", | |
6172 | (long) (section->start + section->size - start)), | |
4723351a | 6173 | (long) (section->start + section->size - start), section->name); |
98fb390a | 6174 | putchar ('\n'); |
51d0d03f | 6175 | free (array); |
19e6b90e L |
6176 | return 1; |
6177 | } | |
6178 | ||
6179 | static int | |
6180 | display_debug_str (struct dwarf_section *section, | |
6181 | void *file ATTRIBUTE_UNUSED) | |
6182 | { | |
6183 | unsigned char *start = section->start; | |
6184 | unsigned long bytes = section->size; | |
6185 | dwarf_vma addr = section->address; | |
6186 | ||
6187 | if (bytes == 0) | |
6188 | { | |
6189 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6190 | return 0; | |
6191 | } | |
6192 | ||
dda8d76d | 6193 | introduce (section, FALSE); |
19e6b90e L |
6194 | |
6195 | while (bytes) | |
6196 | { | |
6197 | int j; | |
6198 | int k; | |
6199 | int lbytes; | |
6200 | ||
6201 | lbytes = (bytes > 16 ? 16 : bytes); | |
6202 | ||
6203 | printf (" 0x%8.8lx ", (unsigned long) addr); | |
6204 | ||
6205 | for (j = 0; j < 16; j++) | |
6206 | { | |
6207 | if (j < lbytes) | |
6208 | printf ("%2.2x", start[j]); | |
6209 | else | |
6210 | printf (" "); | |
6211 | ||
6212 | if ((j & 3) == 3) | |
6213 | printf (" "); | |
6214 | } | |
6215 | ||
6216 | for (j = 0; j < lbytes; j++) | |
6217 | { | |
6218 | k = start[j]; | |
6219 | if (k >= ' ' && k < 0x80) | |
6220 | printf ("%c", k); | |
6221 | else | |
6222 | printf ("."); | |
6223 | } | |
6224 | ||
6225 | putchar ('\n'); | |
6226 | ||
6227 | start += lbytes; | |
6228 | addr += lbytes; | |
6229 | bytes -= lbytes; | |
6230 | } | |
6231 | ||
6232 | putchar ('\n'); | |
6233 | ||
6234 | return 1; | |
6235 | } | |
6236 | ||
19e6b90e L |
6237 | static int |
6238 | display_debug_info (struct dwarf_section *section, void *file) | |
6239 | { | |
d85bf2ba | 6240 | return process_debug_info (section, file, section->abbrev_sec, FALSE, FALSE); |
19e6b90e L |
6241 | } |
6242 | ||
2b6f5997 CC |
6243 | static int |
6244 | display_debug_types (struct dwarf_section *section, void *file) | |
6245 | { | |
d85bf2ba | 6246 | return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE); |
6f875884 TG |
6247 | } |
6248 | ||
6249 | static int | |
6250 | display_trace_info (struct dwarf_section *section, void *file) | |
6251 | { | |
d85bf2ba | 6252 | return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE); |
2b6f5997 | 6253 | } |
19e6b90e L |
6254 | |
6255 | static int | |
6256 | display_debug_aranges (struct dwarf_section *section, | |
6257 | void *file ATTRIBUTE_UNUSED) | |
6258 | { | |
6259 | unsigned char *start = section->start; | |
6260 | unsigned char *end = start + section->size; | |
6261 | ||
dda8d76d | 6262 | introduce (section, FALSE); |
19e6b90e | 6263 | |
6e3d6dc1 NC |
6264 | /* It does not matter if this load fails, |
6265 | we test for that later on. */ | |
6266 | load_debug_info (file); | |
6267 | ||
19e6b90e L |
6268 | while (start < end) |
6269 | { | |
6270 | unsigned char *hdrptr; | |
6271 | DWARF2_Internal_ARange arange; | |
91d6fa6a | 6272 | unsigned char *addr_ranges; |
2d9472a2 NC |
6273 | dwarf_vma length; |
6274 | dwarf_vma address; | |
e98fdf1a | 6275 | unsigned long sec_off; |
53b8873b | 6276 | unsigned char address_size; |
19e6b90e | 6277 | int excess; |
bf5117e3 NC |
6278 | unsigned int offset_size; |
6279 | unsigned int initial_length_size; | |
19e6b90e L |
6280 | |
6281 | hdrptr = start; | |
6282 | ||
0c588247 | 6283 | SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 4, end); |
19e6b90e L |
6284 | if (arange.ar_length == 0xffffffff) |
6285 | { | |
0c588247 | 6286 | SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 8, end); |
19e6b90e L |
6287 | offset_size = 8; |
6288 | initial_length_size = 12; | |
6289 | } | |
6290 | else | |
6291 | { | |
6292 | offset_size = 4; | |
6293 | initial_length_size = 4; | |
6294 | } | |
6295 | ||
e98fdf1a AM |
6296 | sec_off = hdrptr - section->start; |
6297 | if (sec_off + arange.ar_length < sec_off | |
6298 | || sec_off + arange.ar_length > section->size) | |
6299 | { | |
6300 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), | |
6301 | section->name, | |
6302 | sec_off - initial_length_size, | |
6303 | dwarf_vmatoa ("x", arange.ar_length)); | |
6304 | break; | |
6305 | } | |
6306 | ||
0c588247 NC |
6307 | SAFE_BYTE_GET_AND_INC (arange.ar_version, hdrptr, 2, end); |
6308 | SAFE_BYTE_GET_AND_INC (arange.ar_info_offset, hdrptr, offset_size, end); | |
19e6b90e | 6309 | |
6e3d6dc1 NC |
6310 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE |
6311 | && num_debug_info_entries > 0 | |
6312 | && find_debug_info_for_offset (arange.ar_info_offset) == NULL) | |
6313 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), | |
47704ddf | 6314 | (unsigned long) arange.ar_info_offset, section->name); |
6e3d6dc1 | 6315 | |
0c588247 NC |
6316 | SAFE_BYTE_GET_AND_INC (arange.ar_pointer_size, hdrptr, 1, end); |
6317 | SAFE_BYTE_GET_AND_INC (arange.ar_segment_size, hdrptr, 1, end); | |
19e6b90e L |
6318 | |
6319 | if (arange.ar_version != 2 && arange.ar_version != 3) | |
6320 | { | |
67f101ee NC |
6321 | /* PR 19872: A version number of 0 probably means that there is |
6322 | padding at the end of the .debug_aranges section. Gold puts | |
6323 | it there when performing an incremental link, for example. | |
6324 | So do not generate a warning in this case. */ | |
6325 | if (arange.ar_version) | |
6326 | warn (_("Only DWARF 2 and 3 aranges are currently supported.\n")); | |
19e6b90e L |
6327 | break; |
6328 | } | |
6329 | ||
47704ddf KT |
6330 | printf (_(" Length: %ld\n"), |
6331 | (long) arange.ar_length); | |
19e6b90e | 6332 | printf (_(" Version: %d\n"), arange.ar_version); |
47704ddf KT |
6333 | printf (_(" Offset into .debug_info: 0x%lx\n"), |
6334 | (unsigned long) arange.ar_info_offset); | |
19e6b90e L |
6335 | printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size); |
6336 | printf (_(" Segment Size: %d\n"), arange.ar_segment_size); | |
6337 | ||
53b8873b NC |
6338 | address_size = arange.ar_pointer_size + arange.ar_segment_size; |
6339 | ||
f41e4712 NC |
6340 | /* PR 17512: file: 001-108546-0.001:0.1. */ |
6341 | if (address_size == 0 || address_size > 8) | |
b3681d67 L |
6342 | { |
6343 | error (_("Invalid address size in %s section!\n"), | |
6344 | section->name); | |
6345 | break; | |
6346 | } | |
6347 | ||
53b8873b NC |
6348 | /* The DWARF spec does not require that the address size be a power |
6349 | of two, but we do. This will have to change if we ever encounter | |
6350 | an uneven architecture. */ | |
6351 | if ((address_size & (address_size - 1)) != 0) | |
6352 | { | |
6353 | warn (_("Pointer size + Segment size is not a power of two.\n")); | |
6354 | break; | |
6355 | } | |
cecf136e | 6356 | |
209c9a13 NC |
6357 | if (address_size > 4) |
6358 | printf (_("\n Address Length\n")); | |
6359 | else | |
6360 | printf (_("\n Address Length\n")); | |
19e6b90e | 6361 | |
91d6fa6a | 6362 | addr_ranges = hdrptr; |
19e6b90e | 6363 | |
53b8873b NC |
6364 | /* Must pad to an alignment boundary that is twice the address size. */ |
6365 | excess = (hdrptr - start) % (2 * address_size); | |
19e6b90e | 6366 | if (excess) |
91d6fa6a | 6367 | addr_ranges += (2 * address_size) - excess; |
19e6b90e | 6368 | |
e98fdf1a | 6369 | start += arange.ar_length + initial_length_size; |
1617e571 | 6370 | |
91d6fa6a | 6371 | while (addr_ranges + 2 * address_size <= start) |
19e6b90e | 6372 | { |
0c588247 NC |
6373 | SAFE_BYTE_GET_AND_INC (address, addr_ranges, address_size, end); |
6374 | SAFE_BYTE_GET_AND_INC (length, addr_ranges, address_size, end); | |
19e6b90e | 6375 | |
80c35038 | 6376 | printf (" "); |
2d9472a2 NC |
6377 | print_dwarf_vma (address, address_size); |
6378 | print_dwarf_vma (length, address_size); | |
6379 | putchar ('\n'); | |
19e6b90e | 6380 | } |
19e6b90e L |
6381 | } |
6382 | ||
6383 | printf ("\n"); | |
6384 | ||
6385 | return 1; | |
6386 | } | |
6387 | ||
4723351a CC |
6388 | /* Comparison function for qsort. */ |
6389 | static int | |
6390 | comp_addr_base (const void * v0, const void * v1) | |
6391 | { | |
6392 | debug_info * info0 = (debug_info *) v0; | |
6393 | debug_info * info1 = (debug_info *) v1; | |
6394 | return info0->addr_base - info1->addr_base; | |
6395 | } | |
6396 | ||
6397 | /* Display the debug_addr section. */ | |
6398 | static int | |
6399 | display_debug_addr (struct dwarf_section *section, | |
b4eb7656 | 6400 | void *file) |
4723351a CC |
6401 | { |
6402 | debug_info **debug_addr_info; | |
6403 | unsigned char *entry; | |
6404 | unsigned char *end; | |
6405 | unsigned int i; | |
6406 | unsigned int count; | |
6407 | ||
6408 | if (section->size == 0) | |
6409 | { | |
6410 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6411 | return 0; | |
6412 | } | |
6413 | ||
6414 | if (load_debug_info (file) == 0) | |
6415 | { | |
6416 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
6417 | section->name); | |
6418 | return 0; | |
6419 | } | |
6420 | ||
dda8d76d | 6421 | introduce (section, FALSE); |
4723351a | 6422 | |
1306a742 NC |
6423 | /* PR 17531: file: cf38d01b. |
6424 | We use xcalloc because a corrupt file may not have initialised all of the | |
6425 | fields in the debug_info structure, which means that the sort below might | |
6426 | try to move uninitialised data. */ | |
6427 | debug_addr_info = (debug_info **) xcalloc ((num_debug_info_entries + 1), | |
b4eb7656 | 6428 | sizeof (debug_info *)); |
4723351a CC |
6429 | |
6430 | count = 0; | |
6431 | for (i = 0; i < num_debug_info_entries; i++) | |
82b1b41b | 6432 | if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE) |
1306a742 NC |
6433 | { |
6434 | /* PR 17531: file: cf38d01b. */ | |
6435 | if (debug_information[i].addr_base >= section->size) | |
6436 | warn (_("Corrupt address base (%lx) found in debug section %u\n"), | |
6437 | (unsigned long) debug_information[i].addr_base, i); | |
6438 | else | |
6439 | debug_addr_info [count++] = debug_information + i; | |
6440 | } | |
4723351a CC |
6441 | |
6442 | /* Add a sentinel to make iteration convenient. */ | |
6443 | debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info)); | |
6444 | debug_addr_info [count]->addr_base = section->size; | |
4723351a | 6445 | qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base); |
1306a742 | 6446 | |
4723351a CC |
6447 | for (i = 0; i < count; i++) |
6448 | { | |
6449 | unsigned int idx; | |
fab128ef | 6450 | unsigned int address_size = debug_addr_info [i]->pointer_size; |
4723351a CC |
6451 | |
6452 | printf (_(" For compilation unit at offset 0x%s:\n"), | |
b4eb7656 | 6453 | dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset)); |
4723351a | 6454 | |
fab128ef | 6455 | printf (_("\tIndex\tAddress\n")); |
4723351a CC |
6456 | entry = section->start + debug_addr_info [i]->addr_base; |
6457 | end = section->start + debug_addr_info [i + 1]->addr_base; | |
6458 | idx = 0; | |
6459 | while (entry < end) | |
b4eb7656 AM |
6460 | { |
6461 | dwarf_vma base = byte_get (entry, address_size); | |
6462 | printf (_("\t%d:\t"), idx); | |
6463 | print_dwarf_vma (base, address_size); | |
6464 | printf ("\n"); | |
6465 | entry += address_size; | |
6466 | idx++; | |
6467 | } | |
4723351a CC |
6468 | } |
6469 | printf ("\n"); | |
6470 | ||
6471 | free (debug_addr_info); | |
6472 | return 1; | |
6473 | } | |
6474 | ||
6475 | /* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */ | |
6476 | static int | |
6477 | display_debug_str_offsets (struct dwarf_section *section, | |
b4eb7656 | 6478 | void *file ATTRIBUTE_UNUSED) |
4723351a CC |
6479 | { |
6480 | if (section->size == 0) | |
6481 | { | |
6482 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6483 | return 0; | |
6484 | } | |
6485 | /* TODO: Dump the contents. This is made somewhat difficult by not knowing | |
6486 | what the offset size is for this section. */ | |
6487 | return 1; | |
6488 | } | |
6489 | ||
01a8f077 JK |
6490 | /* Each debug_information[x].range_lists[y] gets this representation for |
6491 | sorting purposes. */ | |
6492 | ||
6493 | struct range_entry | |
467c65bc NC |
6494 | { |
6495 | /* The debug_information[x].range_lists[y] value. */ | |
359ca075 | 6496 | dwarf_vma ranges_offset; |
01a8f077 | 6497 | |
467c65bc NC |
6498 | /* Original debug_information to find parameters of the data. */ |
6499 | debug_info *debug_info_p; | |
6500 | }; | |
01a8f077 JK |
6501 | |
6502 | /* Sort struct range_entry in ascending order of its RANGES_OFFSET. */ | |
6503 | ||
6504 | static int | |
6505 | range_entry_compar (const void *ap, const void *bp) | |
6506 | { | |
3f5e193b NC |
6507 | const struct range_entry *a_re = (const struct range_entry *) ap; |
6508 | const struct range_entry *b_re = (const struct range_entry *) bp; | |
359ca075 JK |
6509 | const dwarf_vma a = a_re->ranges_offset; |
6510 | const dwarf_vma b = b_re->ranges_offset; | |
01a8f077 JK |
6511 | |
6512 | return (a > b) - (b > a); | |
6513 | } | |
6514 | ||
77145576 JK |
6515 | static void |
6516 | display_debug_ranges_list (unsigned char *start, unsigned char *finish, | |
6517 | unsigned int pointer_size, unsigned long offset, | |
6518 | unsigned long base_address) | |
6519 | { | |
6520 | while (start < finish) | |
6521 | { | |
6522 | dwarf_vma begin; | |
6523 | dwarf_vma end; | |
6524 | ||
6525 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
6526 | if (start >= finish) | |
6527 | break; | |
6528 | SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish); | |
6529 | ||
6530 | printf (" %8.8lx ", offset); | |
6531 | ||
6532 | if (begin == 0 && end == 0) | |
6533 | { | |
6534 | printf (_("<End of list>\n")); | |
6535 | break; | |
6536 | } | |
6537 | ||
6538 | /* Check base address specifiers. */ | |
6539 | if (is_max_address (begin, pointer_size) | |
6540 | && !is_max_address (end, pointer_size)) | |
6541 | { | |
6542 | base_address = end; | |
6543 | print_dwarf_vma (begin, pointer_size); | |
6544 | print_dwarf_vma (end, pointer_size); | |
6545 | printf ("(base address)\n"); | |
6546 | continue; | |
6547 | } | |
6548 | ||
6549 | print_dwarf_vma (begin + base_address, pointer_size); | |
6550 | print_dwarf_vma (end + base_address, pointer_size); | |
6551 | ||
6552 | if (begin == end) | |
6553 | fputs (_("(start == end)"), stdout); | |
6554 | else if (begin > end) | |
6555 | fputs (_("(start > end)"), stdout); | |
6556 | ||
6557 | putchar ('\n'); | |
6558 | } | |
6559 | } | |
6560 | ||
6561 | static void | |
6562 | display_debug_rnglists_list (unsigned char *start, unsigned char *finish, | |
6563 | unsigned int pointer_size, unsigned long offset, | |
6564 | unsigned long base_address) | |
6565 | { | |
6566 | unsigned char *next = start; | |
6567 | ||
6568 | while (1) | |
6569 | { | |
6570 | unsigned long off = offset + (start - next); | |
6571 | enum dwarf_range_list_entry rlet; | |
9dfd0db9 JK |
6572 | /* Initialize it due to a false compiler warning. */ |
6573 | dwarf_vma begin = -1, length, end = -1; | |
77145576 JK |
6574 | unsigned int bytes_read; |
6575 | ||
6576 | if (start + 1 > finish) | |
6577 | { | |
6578 | warn (_("Range list starting at offset 0x%lx is not terminated.\n"), | |
6579 | offset); | |
6580 | break; | |
6581 | } | |
6582 | ||
6583 | printf (" %8.8lx ", off); | |
6584 | ||
6585 | SAFE_BYTE_GET_AND_INC (rlet, start, 1, finish); | |
6586 | ||
6587 | switch (rlet) | |
6588 | { | |
6589 | case DW_RLE_end_of_list: | |
6590 | printf (_("<End of list>\n")); | |
6591 | break; | |
6592 | case DW_RLE_base_address: | |
6593 | SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, finish); | |
6594 | print_dwarf_vma (base_address, pointer_size); | |
6595 | printf (_("(base address)\n")); | |
6596 | break; | |
6597 | case DW_RLE_start_length: | |
6598 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
6599 | length = read_uleb128 (start, &bytes_read, finish); | |
6600 | start += bytes_read; | |
6601 | end = begin + length; | |
6602 | break; | |
6603 | case DW_RLE_offset_pair: | |
6604 | begin = read_uleb128 (start, &bytes_read, finish); | |
6605 | start += bytes_read; | |
6606 | end = read_uleb128 (start, &bytes_read, finish); | |
6607 | start += bytes_read; | |
6608 | break; | |
6609 | case DW_RLE_start_end: | |
6610 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
6611 | SAFE_BYTE_GET_AND_INC (end, start, pointer_size, finish); | |
6612 | break; | |
6613 | default: | |
6614 | error (_("Invalid range list entry type %d\n"), rlet); | |
6615 | rlet = DW_RLE_end_of_list; | |
6616 | break; | |
6617 | } | |
6618 | if (rlet == DW_RLE_end_of_list) | |
6619 | break; | |
6620 | if (rlet == DW_RLE_base_address) | |
6621 | continue; | |
6622 | ||
6623 | print_dwarf_vma (begin + base_address, pointer_size); | |
6624 | print_dwarf_vma (end + base_address, pointer_size); | |
6625 | ||
6626 | if (begin == end) | |
6627 | fputs (_("(start == end)"), stdout); | |
6628 | else if (begin > end) | |
6629 | fputs (_("(start > end)"), stdout); | |
6630 | ||
6631 | putchar ('\n'); | |
6632 | } | |
6633 | } | |
6634 | ||
19e6b90e L |
6635 | static int |
6636 | display_debug_ranges (struct dwarf_section *section, | |
6637 | void *file ATTRIBUTE_UNUSED) | |
6638 | { | |
6639 | unsigned char *start = section->start; | |
a2ff7a4b | 6640 | unsigned char *last_start = start; |
f6f0e17b | 6641 | unsigned long bytes = section->size; |
19e6b90e | 6642 | unsigned char *section_begin = start; |
f6f0e17b | 6643 | unsigned char *finish = start + bytes; |
01a8f077 JK |
6644 | unsigned int num_range_list, i; |
6645 | struct range_entry *range_entries, *range_entry_fill; | |
77145576 JK |
6646 | int is_rnglists = strstr (section->name, "debug_rnglists") != NULL; |
6647 | /* Initialize it due to a false compiler warning. */ | |
6648 | unsigned char address_size = 0; | |
19e6b90e | 6649 | |
19e6b90e L |
6650 | if (bytes == 0) |
6651 | { | |
6652 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6653 | return 0; | |
6654 | } | |
6655 | ||
77145576 JK |
6656 | if (is_rnglists) |
6657 | { | |
6658 | dwarf_vma initial_length; | |
6659 | unsigned int initial_length_size; | |
6660 | unsigned char segment_selector_size; | |
6661 | unsigned int offset_size, offset_entry_count; | |
6662 | unsigned short version; | |
6663 | ||
6664 | /* Get and check the length of the block. */ | |
6665 | SAFE_BYTE_GET_AND_INC (initial_length, start, 4, finish); | |
6666 | ||
6667 | if (initial_length == 0xffffffff) | |
6668 | { | |
6669 | /* This section is 64-bit DWARF 3. */ | |
6670 | SAFE_BYTE_GET_AND_INC (initial_length, start, 8, finish); | |
6671 | offset_size = 8; | |
6672 | initial_length_size = 12; | |
6673 | } | |
6674 | else | |
6675 | { | |
6676 | offset_size = 4; | |
6677 | initial_length_size = 4; | |
6678 | } | |
6679 | ||
6680 | if (initial_length + initial_length_size > section->size) | |
6681 | { | |
6682 | /* If the length field has a relocation against it, then we should | |
6683 | not complain if it is inaccurate (and probably negative). | |
6684 | It is copied from .debug_line handling code. */ | |
6685 | if (reloc_at (section, (start - section->start) - offset_size)) | |
6686 | { | |
6687 | initial_length = (finish - start) - initial_length_size; | |
6688 | } | |
6689 | else | |
6690 | { | |
6691 | warn (_("The length field (0x%lx) in the debug_rnglists header is wrong - the section is too small\n"), | |
6692 | (long) initial_length); | |
6693 | return 0; | |
6694 | } | |
6695 | } | |
6696 | ||
6697 | /* Get and check the version number. */ | |
6698 | SAFE_BYTE_GET_AND_INC (version, start, 2, finish); | |
6699 | ||
6700 | if (version != 5) | |
6701 | { | |
6702 | warn (_("Only DWARF version 5 debug_rnglists info " | |
6703 | "is currently supported.\n")); | |
6704 | return 0; | |
6705 | } | |
6706 | ||
6707 | SAFE_BYTE_GET_AND_INC (address_size, start, 1, finish); | |
6708 | ||
6709 | SAFE_BYTE_GET_AND_INC (segment_selector_size, start, 1, finish); | |
6710 | if (segment_selector_size != 0) | |
6711 | { | |
6712 | warn (_("The %s section contains " | |
6713 | "unsupported segment selector size: %d.\n"), | |
6714 | section->name, segment_selector_size); | |
6715 | return 0; | |
6716 | } | |
6717 | ||
6718 | SAFE_BYTE_GET_AND_INC (offset_entry_count, start, 4, finish); | |
6719 | if (offset_entry_count != 0) | |
6720 | { | |
6721 | warn (_("The %s section contains " | |
6722 | "unsupported offset entry count: %u.\n"), | |
6723 | section->name, offset_entry_count); | |
6724 | return 0; | |
6725 | } | |
6726 | } | |
6727 | ||
1febe64d NC |
6728 | if (load_debug_info (file) == 0) |
6729 | { | |
6730 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
6731 | section->name); | |
6732 | return 0; | |
6733 | } | |
19e6b90e | 6734 | |
01a8f077 | 6735 | num_range_list = 0; |
19e6b90e | 6736 | for (i = 0; i < num_debug_info_entries; i++) |
01a8f077 | 6737 | num_range_list += debug_information [i].num_range_lists; |
19e6b90e | 6738 | |
01a8f077 | 6739 | if (num_range_list == 0) |
4723351a CC |
6740 | { |
6741 | /* This can happen when the file was compiled with -gsplit-debug | |
b4eb7656 | 6742 | which removes references to range lists from the primary .o file. */ |
4723351a CC |
6743 | printf (_("No range lists in .debug_info section.\n")); |
6744 | return 1; | |
6745 | } | |
19e6b90e | 6746 | |
3f5e193b NC |
6747 | range_entries = (struct range_entry *) |
6748 | xmalloc (sizeof (*range_entries) * num_range_list); | |
01a8f077 | 6749 | range_entry_fill = range_entries; |
19e6b90e | 6750 | |
01a8f077 JK |
6751 | for (i = 0; i < num_debug_info_entries; i++) |
6752 | { | |
6753 | debug_info *debug_info_p = &debug_information[i]; | |
6754 | unsigned int j; | |
6755 | ||
6756 | for (j = 0; j < debug_info_p->num_range_lists; j++) | |
6757 | { | |
6758 | range_entry_fill->ranges_offset = debug_info_p->range_lists[j]; | |
6759 | range_entry_fill->debug_info_p = debug_info_p; | |
6760 | range_entry_fill++; | |
19e6b90e L |
6761 | } |
6762 | } | |
6763 | ||
01a8f077 JK |
6764 | qsort (range_entries, num_range_list, sizeof (*range_entries), |
6765 | range_entry_compar); | |
19e6b90e | 6766 | |
d493b283 | 6767 | if (dwarf_check != 0 && range_entries[0].ranges_offset != 0) |
19e6b90e | 6768 | warn (_("Range lists in %s section start at 0x%lx\n"), |
359ca075 | 6769 | section->name, (unsigned long) range_entries[0].ranges_offset); |
19e6b90e | 6770 | |
dda8d76d NC |
6771 | introduce (section, FALSE); |
6772 | ||
19e6b90e L |
6773 | printf (_(" Offset Begin End\n")); |
6774 | ||
01a8f077 | 6775 | for (i = 0; i < num_range_list; i++) |
19e6b90e | 6776 | { |
01a8f077 JK |
6777 | struct range_entry *range_entry = &range_entries[i]; |
6778 | debug_info *debug_info_p = range_entry->debug_info_p; | |
19e6b90e | 6779 | unsigned int pointer_size; |
359ca075 | 6780 | dwarf_vma offset; |
01a8f077 | 6781 | unsigned char *next; |
359ca075 | 6782 | dwarf_vma base_address; |
19e6b90e | 6783 | |
77145576 | 6784 | pointer_size = (is_rnglists ? address_size : debug_info_p->pointer_size); |
d493b283 | 6785 | offset = range_entry->ranges_offset; |
01a8f077 JK |
6786 | next = section_begin + offset; |
6787 | base_address = debug_info_p->base_address; | |
cecf136e | 6788 | |
f41e4712 NC |
6789 | /* PR 17512: file: 001-101485-0.001:0.1. */ |
6790 | if (pointer_size < 2 || pointer_size > 8) | |
6791 | { | |
6792 | warn (_("Corrupt pointer size (%d) in debug entry at offset %8.8lx\n"), | |
359ca075 | 6793 | pointer_size, (unsigned long) offset); |
f41e4712 NC |
6794 | continue; |
6795 | } | |
b4eb7656 | 6796 | |
4723351a | 6797 | if (dwarf_check != 0 && i > 0) |
19e6b90e | 6798 | { |
01a8f077 JK |
6799 | if (start < next) |
6800 | warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"), | |
6801 | (unsigned long) (start - section_begin), | |
6802 | (unsigned long) (next - section_begin), section->name); | |
6803 | else if (start > next) | |
a2ff7a4b AM |
6804 | { |
6805 | if (next == last_start) | |
6806 | continue; | |
6807 | warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"), | |
6808 | (unsigned long) (start - section_begin), | |
6809 | (unsigned long) (next - section_begin), section->name); | |
6810 | } | |
01a8f077 JK |
6811 | } |
6812 | start = next; | |
a2ff7a4b | 6813 | last_start = next; |
19e6b90e | 6814 | |
77145576 JK |
6815 | (is_rnglists ? display_debug_rnglists_list : display_debug_ranges_list) |
6816 | (start, finish, pointer_size, offset, base_address); | |
19e6b90e L |
6817 | } |
6818 | putchar ('\n'); | |
01a8f077 JK |
6819 | |
6820 | free (range_entries); | |
6821 | ||
19e6b90e L |
6822 | return 1; |
6823 | } | |
6824 | ||
6825 | typedef struct Frame_Chunk | |
6826 | { | |
6827 | struct Frame_Chunk *next; | |
6828 | unsigned char *chunk_start; | |
a1165289 | 6829 | unsigned int ncols; |
19e6b90e L |
6830 | /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */ |
6831 | short int *col_type; | |
6832 | int *col_offset; | |
6833 | char *augmentation; | |
6834 | unsigned int code_factor; | |
6835 | int data_factor; | |
bf5117e3 NC |
6836 | dwarf_vma pc_begin; |
6837 | dwarf_vma pc_range; | |
32ef3000 | 6838 | unsigned int cfa_reg; |
c8071705 | 6839 | dwarf_vma cfa_offset; |
a1165289 | 6840 | unsigned int ra; |
19e6b90e L |
6841 | unsigned char fde_encoding; |
6842 | unsigned char cfa_exp; | |
604282a7 JJ |
6843 | unsigned char ptr_size; |
6844 | unsigned char segment_size; | |
19e6b90e L |
6845 | } |
6846 | Frame_Chunk; | |
6847 | ||
665ce1f6 L |
6848 | static const char *const *dwarf_regnames; |
6849 | static unsigned int dwarf_regnames_count; | |
6850 | ||
19e6b90e L |
6851 | /* A marker for a col_type that means this column was never referenced |
6852 | in the frame info. */ | |
6853 | #define DW_CFA_unreferenced (-1) | |
6854 | ||
a1165289 | 6855 | /* Return 0 if no more space is needed, 1 if more space is needed, |
665ce1f6 L |
6856 | -1 for invalid reg. */ |
6857 | ||
6858 | static int | |
6859 | frame_need_space (Frame_Chunk *fc, unsigned int reg) | |
19e6b90e | 6860 | { |
a1165289 | 6861 | unsigned int prev = fc->ncols; |
19e6b90e | 6862 | |
665ce1f6 L |
6863 | if (reg < (unsigned int) fc->ncols) |
6864 | return 0; | |
6865 | ||
6866 | if (dwarf_regnames_count | |
6867 | && reg > dwarf_regnames_count) | |
6868 | return -1; | |
19e6b90e L |
6869 | |
6870 | fc->ncols = reg + 1; | |
a1165289 NC |
6871 | /* PR 17512: file: 10450-2643-0.004. |
6872 | If reg == -1 then this can happen... */ | |
6873 | if (fc->ncols == 0) | |
6874 | return -1; | |
6875 | ||
06614111 NC |
6876 | /* PR 17512: file: 2844a11d. */ |
6877 | if (fc->ncols > 1024) | |
6878 | { | |
6879 | error (_("Unfeasibly large register number: %u\n"), reg); | |
6880 | fc->ncols = 0; | |
6881 | /* FIXME: 1024 is an arbitrary limit. Increase it if | |
6882 | we ever encounter a valid binary that exceeds it. */ | |
6883 | return -1; | |
6884 | } | |
6885 | ||
3f5e193b | 6886 | fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols, |
b4eb7656 | 6887 | sizeof (short int)); |
3f5e193b | 6888 | fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int)); |
b4eb7656 | 6889 | /* PR 17512: file:002-10025-0.005. */ |
041830e0 NC |
6890 | if (fc->col_type == NULL || fc->col_offset == NULL) |
6891 | { | |
6892 | error (_("Out of memory allocating %u columns in dwarf frame arrays\n"), | |
6893 | fc->ncols); | |
6894 | fc->ncols = 0; | |
6895 | return -1; | |
6896 | } | |
19e6b90e L |
6897 | |
6898 | while (prev < fc->ncols) | |
6899 | { | |
6900 | fc->col_type[prev] = DW_CFA_unreferenced; | |
6901 | fc->col_offset[prev] = 0; | |
6902 | prev++; | |
6903 | } | |
665ce1f6 | 6904 | return 1; |
19e6b90e L |
6905 | } |
6906 | ||
2dc4cec1 L |
6907 | static const char *const dwarf_regnames_i386[] = |
6908 | { | |
43234a1e L |
6909 | "eax", "ecx", "edx", "ebx", /* 0 - 3 */ |
6910 | "esp", "ebp", "esi", "edi", /* 4 - 7 */ | |
6911 | "eip", "eflags", NULL, /* 8 - 10 */ | |
6912 | "st0", "st1", "st2", "st3", /* 11 - 14 */ | |
6913 | "st4", "st5", "st6", "st7", /* 15 - 18 */ | |
6914 | NULL, NULL, /* 19 - 20 */ | |
6915 | "xmm0", "xmm1", "xmm2", "xmm3", /* 21 - 24 */ | |
6916 | "xmm4", "xmm5", "xmm6", "xmm7", /* 25 - 28 */ | |
6917 | "mm0", "mm1", "mm2", "mm3", /* 29 - 32 */ | |
6918 | "mm4", "mm5", "mm6", "mm7", /* 33 - 36 */ | |
6919 | "fcw", "fsw", "mxcsr", /* 37 - 39 */ | |
6920 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */ | |
6921 | "tr", "ldtr", /* 48 - 49 */ | |
6922 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */ | |
6923 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */ | |
6924 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */ | |
6925 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */ | |
6926 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */ | |
6927 | NULL, NULL, NULL, /* 90 - 92 */ | |
6928 | "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" /* 93 - 100 */ | |
2dc4cec1 L |
6929 | }; |
6930 | ||
3d875af5 L |
6931 | static const char *const dwarf_regnames_iamcu[] = |
6932 | { | |
6933 | "eax", "ecx", "edx", "ebx", /* 0 - 3 */ | |
6934 | "esp", "ebp", "esi", "edi", /* 4 - 7 */ | |
6935 | "eip", "eflags", NULL, /* 8 - 10 */ | |
6936 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 11 - 18 */ | |
6937 | NULL, NULL, /* 19 - 20 */ | |
6938 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 21 - 28 */ | |
6939 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 29 - 36 */ | |
6940 | NULL, NULL, NULL, /* 37 - 39 */ | |
6941 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */ | |
6942 | "tr", "ldtr", /* 48 - 49 */ | |
6943 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */ | |
6944 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */ | |
6945 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */ | |
6946 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */ | |
6947 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */ | |
6948 | NULL, NULL, NULL, /* 90 - 92 */ | |
6949 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL /* 93 - 100 */ | |
6950 | }; | |
6951 | ||
b129eb0e RH |
6952 | void |
6953 | init_dwarf_regnames_i386 (void) | |
6954 | { | |
6955 | dwarf_regnames = dwarf_regnames_i386; | |
6956 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386); | |
6957 | } | |
6958 | ||
3d875af5 L |
6959 | void |
6960 | init_dwarf_regnames_iamcu (void) | |
6961 | { | |
6962 | dwarf_regnames = dwarf_regnames_iamcu; | |
6963 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_iamcu); | |
6964 | } | |
6965 | ||
2dc4cec1 L |
6966 | static const char *const dwarf_regnames_x86_64[] = |
6967 | { | |
6968 | "rax", "rdx", "rcx", "rbx", | |
6969 | "rsi", "rdi", "rbp", "rsp", | |
6970 | "r8", "r9", "r10", "r11", | |
6971 | "r12", "r13", "r14", "r15", | |
6972 | "rip", | |
6973 | "xmm0", "xmm1", "xmm2", "xmm3", | |
6974 | "xmm4", "xmm5", "xmm6", "xmm7", | |
6975 | "xmm8", "xmm9", "xmm10", "xmm11", | |
6976 | "xmm12", "xmm13", "xmm14", "xmm15", | |
6977 | "st0", "st1", "st2", "st3", | |
6978 | "st4", "st5", "st6", "st7", | |
6979 | "mm0", "mm1", "mm2", "mm3", | |
6980 | "mm4", "mm5", "mm6", "mm7", | |
6981 | "rflags", | |
6982 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, | |
6983 | "fs.base", "gs.base", NULL, NULL, | |
6984 | "tr", "ldtr", | |
43234a1e L |
6985 | "mxcsr", "fcw", "fsw", |
6986 | "xmm16", "xmm17", "xmm18", "xmm19", | |
6987 | "xmm20", "xmm21", "xmm22", "xmm23", | |
6988 | "xmm24", "xmm25", "xmm26", "xmm27", | |
6989 | "xmm28", "xmm29", "xmm30", "xmm31", | |
6990 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 83 - 90 */ | |
6991 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 91 - 98 */ | |
6992 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 99 - 106 */ | |
6993 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 107 - 114 */ | |
6994 | NULL, NULL, NULL, /* 115 - 117 */ | |
6995 | "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" | |
2dc4cec1 L |
6996 | }; |
6997 | ||
b129eb0e RH |
6998 | void |
6999 | init_dwarf_regnames_x86_64 (void) | |
7000 | { | |
7001 | dwarf_regnames = dwarf_regnames_x86_64; | |
7002 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64); | |
7003 | } | |
7004 | ||
4ee22035 RH |
7005 | static const char *const dwarf_regnames_aarch64[] = |
7006 | { | |
b4eb7656 AM |
7007 | "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", |
7008 | "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", | |
4ee22035 RH |
7009 | "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23", |
7010 | "x24", "x25", "x26", "x27", "x28", "x29", "x30", "sp", | |
7011 | NULL, "elr", NULL, NULL, NULL, NULL, NULL, NULL, | |
7012 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7013 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7014 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
b4eb7656 AM |
7015 | "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", |
7016 | "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", | |
4ee22035 RH |
7017 | "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", |
7018 | "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", | |
7019 | }; | |
7020 | ||
7021 | void | |
7022 | init_dwarf_regnames_aarch64 (void) | |
7023 | { | |
7024 | dwarf_regnames = dwarf_regnames_aarch64; | |
7025 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_aarch64); | |
7026 | } | |
7027 | ||
d6bb17b0 AA |
7028 | static const char *const dwarf_regnames_s390[] = |
7029 | { | |
7030 | /* Avoid saying "r5 (r5)", so omit the names of r0-r15. */ | |
7031 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7032 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7033 | "f0", "f2", "f4", "f6", "f1", "f3", "f5", "f7", | |
7034 | "f8", "f10", "f12", "f14", "f9", "f11", "f13", "f15", | |
7035 | "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7", | |
7036 | "cr8", "cr9", "cr10", "cr11", "cr12", "cr13", "cr14", "cr15", | |
7037 | "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", | |
7038 | "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15", | |
7039 | "pswm", "pswa", | |
7040 | NULL, NULL, | |
7041 | "v16", "v18", "v20", "v22", "v17", "v19", "v21", "v23", | |
7042 | "v24", "v26", "v28", "v30", "v25", "v27", "v29", "v31", | |
7043 | }; | |
7044 | ||
7045 | void | |
7046 | init_dwarf_regnames_s390 (void) | |
7047 | { | |
7048 | dwarf_regnames = dwarf_regnames_s390; | |
7049 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_s390); | |
7050 | } | |
7051 | ||
2dc4cec1 L |
7052 | void |
7053 | init_dwarf_regnames (unsigned int e_machine) | |
7054 | { | |
7055 | switch (e_machine) | |
7056 | { | |
7057 | case EM_386: | |
b129eb0e | 7058 | init_dwarf_regnames_i386 (); |
2dc4cec1 L |
7059 | break; |
7060 | ||
3d875af5 L |
7061 | case EM_IAMCU: |
7062 | init_dwarf_regnames_iamcu (); | |
7063 | break; | |
7064 | ||
2dc4cec1 | 7065 | case EM_X86_64: |
7f502d6c | 7066 | case EM_L1OM: |
7a9068fe | 7067 | case EM_K1OM: |
b129eb0e | 7068 | init_dwarf_regnames_x86_64 (); |
2dc4cec1 L |
7069 | break; |
7070 | ||
4ee22035 RH |
7071 | case EM_AARCH64: |
7072 | init_dwarf_regnames_aarch64 (); | |
7073 | break; | |
7074 | ||
d6bb17b0 AA |
7075 | case EM_S390: |
7076 | init_dwarf_regnames_s390 (); | |
7077 | break; | |
7078 | ||
2dc4cec1 L |
7079 | default: |
7080 | break; | |
7081 | } | |
7082 | } | |
7083 | ||
7084 | static const char * | |
7085 | regname (unsigned int regno, int row) | |
7086 | { | |
7087 | static char reg[64]; | |
7f2c8a1d | 7088 | |
2dc4cec1 L |
7089 | if (dwarf_regnames |
7090 | && regno < dwarf_regnames_count | |
7091 | && dwarf_regnames [regno] != NULL) | |
7092 | { | |
7093 | if (row) | |
7094 | return dwarf_regnames [regno]; | |
7095 | snprintf (reg, sizeof (reg), "r%d (%s)", regno, | |
7096 | dwarf_regnames [regno]); | |
7097 | } | |
7098 | else | |
7099 | snprintf (reg, sizeof (reg), "r%d", regno); | |
7100 | return reg; | |
7101 | } | |
7102 | ||
19e6b90e | 7103 | static void |
a1165289 | 7104 | frame_display_row (Frame_Chunk *fc, int *need_col_headers, unsigned int *max_regs) |
19e6b90e | 7105 | { |
a1165289 | 7106 | unsigned int r; |
19e6b90e L |
7107 | char tmp[100]; |
7108 | ||
d8024a91 | 7109 | if (*max_regs != fc->ncols) |
19e6b90e L |
7110 | *max_regs = fc->ncols; |
7111 | ||
7112 | if (*need_col_headers) | |
7113 | { | |
91d6fa6a | 7114 | static const char *sloc = " LOC"; |
2dc4cec1 | 7115 | |
19e6b90e L |
7116 | *need_col_headers = 0; |
7117 | ||
91d6fa6a | 7118 | printf ("%-*s CFA ", eh_addr_size * 2, sloc); |
19e6b90e L |
7119 | |
7120 | for (r = 0; r < *max_regs; r++) | |
7121 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
7122 | { | |
7123 | if (r == fc->ra) | |
50751e18 | 7124 | printf ("ra "); |
19e6b90e | 7125 | else |
2dc4cec1 | 7126 | printf ("%-5s ", regname (r, 1)); |
19e6b90e L |
7127 | } |
7128 | ||
7129 | printf ("\n"); | |
7130 | } | |
7131 | ||
bf5117e3 | 7132 | print_dwarf_vma (fc->pc_begin, eh_addr_size); |
19e6b90e L |
7133 | if (fc->cfa_exp) |
7134 | strcpy (tmp, "exp"); | |
7135 | else | |
c8071705 | 7136 | sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), (int) fc->cfa_offset); |
19e6b90e L |
7137 | printf ("%-8s ", tmp); |
7138 | ||
7139 | for (r = 0; r < fc->ncols; r++) | |
7140 | { | |
7141 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
7142 | { | |
7143 | switch (fc->col_type[r]) | |
7144 | { | |
7145 | case DW_CFA_undefined: | |
7146 | strcpy (tmp, "u"); | |
7147 | break; | |
7148 | case DW_CFA_same_value: | |
7149 | strcpy (tmp, "s"); | |
7150 | break; | |
7151 | case DW_CFA_offset: | |
7152 | sprintf (tmp, "c%+d", fc->col_offset[r]); | |
7153 | break; | |
12eae2d3 JJ |
7154 | case DW_CFA_val_offset: |
7155 | sprintf (tmp, "v%+d", fc->col_offset[r]); | |
7156 | break; | |
19e6b90e | 7157 | case DW_CFA_register: |
2dc4cec1 | 7158 | sprintf (tmp, "%s", regname (fc->col_offset[r], 0)); |
19e6b90e L |
7159 | break; |
7160 | case DW_CFA_expression: | |
7161 | strcpy (tmp, "exp"); | |
7162 | break; | |
12eae2d3 JJ |
7163 | case DW_CFA_val_expression: |
7164 | strcpy (tmp, "vexp"); | |
7165 | break; | |
19e6b90e L |
7166 | default: |
7167 | strcpy (tmp, "n/a"); | |
7168 | break; | |
7169 | } | |
2dc4cec1 | 7170 | printf ("%-5s ", tmp); |
19e6b90e L |
7171 | } |
7172 | } | |
7173 | printf ("\n"); | |
7174 | } | |
7175 | ||
49727e46 | 7176 | #define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end) |
19e6b90e | 7177 | |
49727e46 AM |
7178 | static unsigned char * |
7179 | read_cie (unsigned char *start, unsigned char *end, | |
7180 | Frame_Chunk **p_cie, int *p_version, | |
bf59c5d5 | 7181 | bfd_size_type *p_aug_len, unsigned char **p_aug) |
49727e46 AM |
7182 | { |
7183 | int version; | |
7184 | Frame_Chunk *fc; | |
7185 | unsigned int length_return; | |
7186 | unsigned char *augmentation_data = NULL; | |
bf59c5d5 | 7187 | bfd_size_type augmentation_data_len = 0; |
49727e46 | 7188 | |
041830e0 | 7189 | * p_cie = NULL; |
f41e4712 NC |
7190 | /* PR 17512: file: 001-228113-0.004. */ |
7191 | if (start >= end) | |
7192 | return end; | |
7193 | ||
49727e46 AM |
7194 | fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
7195 | memset (fc, 0, sizeof (Frame_Chunk)); | |
7196 | ||
7197 | fc->col_type = (short int *) xmalloc (sizeof (short int)); | |
7198 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
7199 | ||
7200 | version = *start++; | |
7201 | ||
7202 | fc->augmentation = (char *) start; | |
f41e4712 NC |
7203 | /* PR 17512: file: 001-228113-0.004. |
7204 | Skip past augmentation name, but avoid running off the end of the data. */ | |
7205 | while (start < end) | |
7206 | if (* start ++ == '\0') | |
7207 | break; | |
7208 | if (start == end) | |
7209 | { | |
7210 | warn (_("No terminator for augmentation name\n")); | |
7211 | return start; | |
7212 | } | |
49727e46 AM |
7213 | |
7214 | if (strcmp (fc->augmentation, "eh") == 0) | |
7215 | start += eh_addr_size; | |
7216 | ||
7217 | if (version >= 4) | |
7218 | { | |
7219 | GET (fc->ptr_size, 1); | |
77ef8654 NC |
7220 | if (fc->ptr_size < 1 || fc->ptr_size > 8) |
7221 | { | |
7222 | warn (_("Invalid pointer size (%d) in CIE data\n"), fc->ptr_size); | |
7223 | return end; | |
7224 | } | |
7225 | ||
49727e46 | 7226 | GET (fc->segment_size, 1); |
77ef8654 NC |
7227 | /* PR 17512: file: e99d2804. */ |
7228 | if (fc->segment_size > 8 || fc->segment_size + fc->ptr_size > 8) | |
7229 | { | |
7230 | warn (_("Invalid segment size (%d) in CIE data\n"), fc->segment_size); | |
7231 | return end; | |
7232 | } | |
7233 | ||
49727e46 AM |
7234 | eh_addr_size = fc->ptr_size; |
7235 | } | |
7236 | else | |
7237 | { | |
7238 | fc->ptr_size = eh_addr_size; | |
7239 | fc->segment_size = 0; | |
7240 | } | |
7f2c8a1d NC |
7241 | READ_ULEB (fc->code_factor); |
7242 | READ_SLEB (fc->data_factor); | |
49727e46 AM |
7243 | if (version == 1) |
7244 | { | |
7245 | GET (fc->ra, 1); | |
7246 | } | |
7247 | else | |
7248 | { | |
7f2c8a1d | 7249 | READ_ULEB (fc->ra); |
49727e46 AM |
7250 | } |
7251 | ||
7252 | if (fc->augmentation[0] == 'z') | |
7253 | { | |
7f2c8a1d | 7254 | READ_ULEB (augmentation_data_len); |
49727e46 | 7255 | augmentation_data = start; |
a1165289 | 7256 | /* PR 17512: file: 11042-2589-0.004. */ |
bf59c5d5 | 7257 | if (augmentation_data_len > (bfd_size_type) (end - start)) |
a1165289 | 7258 | { |
bf59c5d5 NC |
7259 | warn (_("Augmentation data too long: 0x%s, expected at most %#lx\n"), |
7260 | dwarf_vmatoa ("x", augmentation_data_len), | |
7261 | (unsigned long) (end - start)); | |
a1165289 NC |
7262 | return end; |
7263 | } | |
9c0f3d3f | 7264 | start += augmentation_data_len; |
49727e46 AM |
7265 | } |
7266 | ||
7267 | if (augmentation_data_len) | |
7268 | { | |
058037d3 NC |
7269 | unsigned char *p; |
7270 | unsigned char *q; | |
7271 | unsigned char *qend; | |
b4eb7656 | 7272 | |
49727e46 AM |
7273 | p = (unsigned char *) fc->augmentation + 1; |
7274 | q = augmentation_data; | |
058037d3 NC |
7275 | qend = q + augmentation_data_len; |
7276 | ||
9c0f3d3f | 7277 | while (p < end && q < qend) |
49727e46 AM |
7278 | { |
7279 | if (*p == 'L') | |
7280 | q++; | |
7281 | else if (*p == 'P') | |
7282 | q += 1 + size_of_encoded_value (*q); | |
7283 | else if (*p == 'R') | |
7284 | fc->fde_encoding = *q++; | |
7285 | else if (*p == 'S') | |
7286 | ; | |
7287 | else | |
7288 | break; | |
7289 | p++; | |
7290 | } | |
c361b9ac NC |
7291 | /* Note - it is OK if this loop terminates with q < qend. |
7292 | Padding may have been inserted to align the end of the CIE. */ | |
49727e46 AM |
7293 | } |
7294 | ||
7295 | *p_cie = fc; | |
7296 | if (p_version) | |
7297 | *p_version = version; | |
7298 | if (p_aug_len) | |
7299 | { | |
7300 | *p_aug_len = augmentation_data_len; | |
7301 | *p_aug = augmentation_data; | |
7302 | } | |
7303 | return start; | |
7304 | } | |
7305 | ||
d85bf2ba NC |
7306 | /* Prints out the contents on the DATA array formatted as unsigned bytes. |
7307 | If do_wide is not enabled, then formats the output to fit into 80 columns. | |
7308 | PRINTED contains the number of characters already written to the current | |
7309 | output line. */ | |
bf59c5d5 NC |
7310 | |
7311 | static void | |
d85bf2ba NC |
7312 | display_data (bfd_size_type printed, |
7313 | const unsigned char * data, | |
7314 | const bfd_size_type len) | |
bf59c5d5 | 7315 | { |
d85bf2ba NC |
7316 | if (do_wide || len < ((80 - printed) / 3)) |
7317 | for (printed = 0; printed < len; ++printed) | |
7318 | printf (" %02x", data[printed]); | |
bf59c5d5 NC |
7319 | else |
7320 | { | |
d85bf2ba | 7321 | for (printed = 0; printed < len; ++printed) |
bf59c5d5 | 7322 | { |
d85bf2ba | 7323 | if (printed % (80 / 3) == 0) |
bf59c5d5 | 7324 | putchar ('\n'); |
d85bf2ba | 7325 | printf (" %02x", data[printed]); |
bf59c5d5 NC |
7326 | } |
7327 | } | |
d85bf2ba NC |
7328 | } |
7329 | ||
7330 | /* Prints out the contents on the augmentation data array. | |
7331 | If do_wide is not enabled, then formats the output to fit into 80 columns. */ | |
7332 | ||
7333 | static void | |
7334 | display_augmentation_data (const unsigned char * data, const bfd_size_type len) | |
7335 | { | |
7336 | bfd_size_type i; | |
7337 | ||
7338 | i = printf (_(" Augmentation data: ")); | |
7339 | display_data (i, data, len); | |
bf59c5d5 NC |
7340 | } |
7341 | ||
19e6b90e L |
7342 | static int |
7343 | display_debug_frames (struct dwarf_section *section, | |
7344 | void *file ATTRIBUTE_UNUSED) | |
7345 | { | |
7346 | unsigned char *start = section->start; | |
7347 | unsigned char *end = start + section->size; | |
7348 | unsigned char *section_start = start; | |
49727e46 | 7349 | Frame_Chunk *chunks = 0, *forward_refs = 0; |
19e6b90e L |
7350 | Frame_Chunk *remembered_state = 0; |
7351 | Frame_Chunk *rs; | |
7352 | int is_eh = strcmp (section->name, ".eh_frame") == 0; | |
7353 | unsigned int length_return; | |
a1165289 | 7354 | unsigned int max_regs = 0; |
665ce1f6 | 7355 | const char *bad_reg = _("bad register: "); |
77ef8654 | 7356 | unsigned int saved_eh_addr_size = eh_addr_size; |
19e6b90e | 7357 | |
dda8d76d | 7358 | introduce (section, FALSE); |
19e6b90e L |
7359 | |
7360 | while (start < end) | |
7361 | { | |
7362 | unsigned char *saved_start; | |
7363 | unsigned char *block_end; | |
bf5117e3 NC |
7364 | dwarf_vma length; |
7365 | dwarf_vma cie_id; | |
19e6b90e L |
7366 | Frame_Chunk *fc; |
7367 | Frame_Chunk *cie; | |
7368 | int need_col_headers = 1; | |
7369 | unsigned char *augmentation_data = NULL; | |
bf59c5d5 | 7370 | bfd_size_type augmentation_data_len = 0; |
bf5117e3 NC |
7371 | unsigned int encoded_ptr_size = saved_eh_addr_size; |
7372 | unsigned int offset_size; | |
7373 | unsigned int initial_length_size; | |
5b6312fd | 7374 | bfd_boolean all_nops; |
19e6b90e L |
7375 | |
7376 | saved_start = start; | |
19e6b90e | 7377 | |
0c588247 | 7378 | SAFE_BYTE_GET_AND_INC (length, start, 4, end); |
041830e0 | 7379 | |
19e6b90e L |
7380 | if (length == 0) |
7381 | { | |
7382 | printf ("\n%08lx ZERO terminator\n\n", | |
7383 | (unsigned long)(saved_start - section_start)); | |
6937bb54 NC |
7384 | /* Skip any zero terminators that directly follow. |
7385 | A corrupt section size could have loaded a whole | |
7386 | slew of zero filled memory bytes. eg | |
7387 | PR 17512: file: 070-19381-0.004. */ | |
7388 | while (start < end && * start == 0) | |
7389 | ++ start; | |
b758e50f | 7390 | continue; |
19e6b90e L |
7391 | } |
7392 | ||
7393 | if (length == 0xffffffff) | |
7394 | { | |
0c588247 | 7395 | SAFE_BYTE_GET_AND_INC (length, start, 8, end); |
19e6b90e L |
7396 | offset_size = 8; |
7397 | initial_length_size = 12; | |
7398 | } | |
7399 | else | |
7400 | { | |
7401 | offset_size = 4; | |
7402 | initial_length_size = 4; | |
7403 | } | |
7404 | ||
7405 | block_end = saved_start + length + initial_length_size; | |
041830e0 | 7406 | if (block_end > end || block_end < start) |
53b8873b | 7407 | { |
bf5117e3 NC |
7408 | warn ("Invalid length 0x%s in FDE at %#08lx\n", |
7409 | dwarf_vmatoa_1 (NULL, length, offset_size), | |
7410 | (unsigned long) (saved_start - section_start)); | |
53b8873b NC |
7411 | block_end = end; |
7412 | } | |
0c588247 NC |
7413 | |
7414 | SAFE_BYTE_GET_AND_INC (cie_id, start, offset_size, end); | |
19e6b90e | 7415 | |
846a11e4 NC |
7416 | if (is_eh ? (cie_id == 0) : ((offset_size == 4 && cie_id == DW_CIE_ID) |
7417 | || (offset_size == 8 && cie_id == DW64_CIE_ID))) | |
19e6b90e L |
7418 | { |
7419 | int version; | |
a1165289 | 7420 | unsigned int mreg; |
19e6b90e | 7421 | |
49727e46 AM |
7422 | start = read_cie (start, end, &cie, &version, |
7423 | &augmentation_data_len, &augmentation_data); | |
041830e0 NC |
7424 | /* PR 17512: file: 027-135133-0.005. */ |
7425 | if (cie == NULL) | |
7426 | break; | |
a1165289 | 7427 | |
49727e46 | 7428 | fc = cie; |
19e6b90e L |
7429 | fc->next = chunks; |
7430 | chunks = fc; | |
7431 | fc->chunk_start = saved_start; | |
a1165289 | 7432 | mreg = max_regs > 0 ? max_regs - 1 : 0; |
49727e46 AM |
7433 | if (mreg < fc->ra) |
7434 | mreg = fc->ra; | |
06614111 NC |
7435 | if (frame_need_space (fc, mreg) < 0) |
7436 | break; | |
49727e46 AM |
7437 | if (fc->fde_encoding) |
7438 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
19e6b90e | 7439 | |
bf5117e3 NC |
7440 | printf ("\n%08lx ", (unsigned long) (saved_start - section_start)); |
7441 | print_dwarf_vma (length, fc->ptr_size); | |
9c41109d | 7442 | print_dwarf_vma (cie_id, offset_size); |
bf5117e3 | 7443 | |
19e6b90e | 7444 | if (do_debug_frames_interp) |
bf5117e3 NC |
7445 | { |
7446 | printf ("CIE \"%s\" cf=%d df=%d ra=%d\n", fc->augmentation, | |
7447 | fc->code_factor, fc->data_factor, fc->ra); | |
7448 | } | |
19e6b90e L |
7449 | else |
7450 | { | |
bf5117e3 | 7451 | printf ("CIE\n"); |
19e6b90e L |
7452 | printf (" Version: %d\n", version); |
7453 | printf (" Augmentation: \"%s\"\n", fc->augmentation); | |
604282a7 JJ |
7454 | if (version >= 4) |
7455 | { | |
7456 | printf (" Pointer Size: %u\n", fc->ptr_size); | |
7457 | printf (" Segment Size: %u\n", fc->segment_size); | |
7458 | } | |
19e6b90e L |
7459 | printf (" Code alignment factor: %u\n", fc->code_factor); |
7460 | printf (" Data alignment factor: %d\n", fc->data_factor); | |
7461 | printf (" Return address column: %d\n", fc->ra); | |
7462 | ||
7463 | if (augmentation_data_len) | |
bf59c5d5 | 7464 | display_augmentation_data (augmentation_data, augmentation_data_len); |
a1165289 | 7465 | |
19e6b90e L |
7466 | putchar ('\n'); |
7467 | } | |
19e6b90e L |
7468 | } |
7469 | else | |
7470 | { | |
7471 | unsigned char *look_for; | |
7472 | static Frame_Chunk fde_fc; | |
604282a7 | 7473 | unsigned long segment_selector; |
19e6b90e | 7474 | |
49727e46 AM |
7475 | if (is_eh) |
7476 | { | |
7477 | dwarf_vma sign = (dwarf_vma) 1 << (offset_size * 8 - 1); | |
7478 | look_for = start - 4 - ((cie_id ^ sign) - sign); | |
7479 | } | |
7480 | else | |
7481 | look_for = section_start + cie_id; | |
19e6b90e | 7482 | |
49727e46 AM |
7483 | if (look_for <= saved_start) |
7484 | { | |
7485 | for (cie = chunks; cie ; cie = cie->next) | |
7486 | if (cie->chunk_start == look_for) | |
7487 | break; | |
7488 | } | |
7489 | else | |
7490 | { | |
7491 | for (cie = forward_refs; cie ; cie = cie->next) | |
7492 | if (cie->chunk_start == look_for) | |
7493 | break; | |
7494 | if (!cie) | |
7495 | { | |
7496 | unsigned int off_size; | |
7497 | unsigned char *cie_scan; | |
19e6b90e | 7498 | |
49727e46 AM |
7499 | cie_scan = look_for; |
7500 | off_size = 4; | |
7501 | SAFE_BYTE_GET_AND_INC (length, cie_scan, 4, end); | |
7502 | if (length == 0xffffffff) | |
7503 | { | |
7504 | SAFE_BYTE_GET_AND_INC (length, cie_scan, 8, end); | |
7505 | off_size = 8; | |
7506 | } | |
7507 | if (length != 0) | |
7508 | { | |
7509 | dwarf_vma c_id; | |
7510 | ||
7511 | SAFE_BYTE_GET_AND_INC (c_id, cie_scan, off_size, end); | |
7512 | if (is_eh | |
7513 | ? c_id == 0 | |
7514 | : ((off_size == 4 && c_id == DW_CIE_ID) | |
7515 | || (off_size == 8 && c_id == DW64_CIE_ID))) | |
7516 | { | |
7517 | int version; | |
a1165289 | 7518 | unsigned int mreg; |
49727e46 AM |
7519 | |
7520 | read_cie (cie_scan, end, &cie, &version, | |
7521 | &augmentation_data_len, &augmentation_data); | |
a1165289 NC |
7522 | /* PR 17512: file: 3450-2098-0.004. */ |
7523 | if (cie == NULL) | |
7524 | { | |
7525 | warn (_("Failed to read CIE information\n")); | |
7526 | break; | |
7527 | } | |
49727e46 AM |
7528 | cie->next = forward_refs; |
7529 | forward_refs = cie; | |
7530 | cie->chunk_start = look_for; | |
a1165289 | 7531 | mreg = max_regs > 0 ? max_regs - 1 : 0; |
49727e46 AM |
7532 | if (mreg < cie->ra) |
7533 | mreg = cie->ra; | |
06614111 NC |
7534 | if (frame_need_space (cie, mreg) < 0) |
7535 | { | |
7536 | warn (_("Invalid max register\n")); | |
7537 | break; | |
7538 | } | |
49727e46 AM |
7539 | if (cie->fde_encoding) |
7540 | encoded_ptr_size | |
7541 | = size_of_encoded_value (cie->fde_encoding); | |
7542 | } | |
7543 | } | |
7544 | } | |
7545 | } | |
7546 | ||
7547 | fc = &fde_fc; | |
7548 | memset (fc, 0, sizeof (Frame_Chunk)); | |
19e6b90e L |
7549 | |
7550 | if (!cie) | |
7551 | { | |
bf5117e3 NC |
7552 | warn ("Invalid CIE pointer 0x%s in FDE at %#08lx\n", |
7553 | dwarf_vmatoa_1 (NULL, cie_id, offset_size), | |
7554 | (unsigned long) (saved_start - section_start)); | |
19e6b90e | 7555 | fc->ncols = 0; |
3f5e193b NC |
7556 | fc->col_type = (short int *) xmalloc (sizeof (short int)); |
7557 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
06614111 NC |
7558 | if (frame_need_space (fc, max_regs > 0 ? max_regs - 1 : 0) < 0) |
7559 | { | |
7560 | warn (_("Invalid max register\n")); | |
7561 | break; | |
7562 | } | |
19e6b90e L |
7563 | cie = fc; |
7564 | fc->augmentation = ""; | |
7565 | fc->fde_encoding = 0; | |
604282a7 JJ |
7566 | fc->ptr_size = eh_addr_size; |
7567 | fc->segment_size = 0; | |
19e6b90e L |
7568 | } |
7569 | else | |
7570 | { | |
7571 | fc->ncols = cie->ncols; | |
3f5e193b NC |
7572 | fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int)); |
7573 | fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int)); | |
19e6b90e L |
7574 | memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int)); |
7575 | memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int)); | |
7576 | fc->augmentation = cie->augmentation; | |
604282a7 JJ |
7577 | fc->ptr_size = cie->ptr_size; |
7578 | eh_addr_size = cie->ptr_size; | |
7579 | fc->segment_size = cie->segment_size; | |
19e6b90e L |
7580 | fc->code_factor = cie->code_factor; |
7581 | fc->data_factor = cie->data_factor; | |
7582 | fc->cfa_reg = cie->cfa_reg; | |
7583 | fc->cfa_offset = cie->cfa_offset; | |
7584 | fc->ra = cie->ra; | |
06614111 NC |
7585 | if (frame_need_space (fc, max_regs > 0 ? max_regs - 1: 0) < 0) |
7586 | { | |
7587 | warn (_("Invalid max register\n")); | |
7588 | break; | |
7589 | } | |
19e6b90e L |
7590 | fc->fde_encoding = cie->fde_encoding; |
7591 | } | |
7592 | ||
7593 | if (fc->fde_encoding) | |
7594 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
7595 | ||
604282a7 JJ |
7596 | segment_selector = 0; |
7597 | if (fc->segment_size) | |
c8071705 NC |
7598 | { |
7599 | if (fc->segment_size > sizeof (segment_selector)) | |
7600 | { | |
7601 | /* PR 17512: file: 9e196b3e. */ | |
7602 | warn (_("Probably corrupt segment size: %d - using 4 instead\n"), fc->segment_size); | |
7603 | fc->segment_size = 4; | |
7604 | } | |
7605 | SAFE_BYTE_GET_AND_INC (segment_selector, start, fc->segment_size, end); | |
7606 | } | |
041830e0 NC |
7607 | |
7608 | fc->pc_begin = get_encoded_value (&start, fc->fde_encoding, section, end); | |
19e6b90e | 7609 | |
0c588247 NC |
7610 | /* FIXME: It appears that sometimes the final pc_range value is |
7611 | encoded in less than encoded_ptr_size bytes. See the x86_64 | |
7612 | run of the "objcopy on compressed debug sections" test for an | |
7613 | example of this. */ | |
7614 | SAFE_BYTE_GET_AND_INC (fc->pc_range, start, encoded_ptr_size, end); | |
bf5117e3 | 7615 | |
19e6b90e L |
7616 | if (cie->augmentation[0] == 'z') |
7617 | { | |
7f2c8a1d | 7618 | READ_ULEB (augmentation_data_len); |
19e6b90e L |
7619 | augmentation_data = start; |
7620 | start += augmentation_data_len; | |
bf59c5d5 NC |
7621 | /* PR 17512 file: 722-8446-0.004 and PR 22386. */ |
7622 | if (start >= end | |
7623 | || ((bfd_signed_vma) augmentation_data_len) < 0 | |
7624 | || augmentation_data > start) | |
0a9d414a | 7625 | { |
bf59c5d5 NC |
7626 | warn (_("Corrupt augmentation data length: 0x%s\n"), |
7627 | dwarf_vmatoa ("x", augmentation_data_len)); | |
0a9d414a NC |
7628 | start = end; |
7629 | augmentation_data = NULL; | |
7630 | augmentation_data_len = 0; | |
7631 | } | |
19e6b90e L |
7632 | } |
7633 | ||
bf5117e3 NC |
7634 | printf ("\n%08lx %s %s FDE cie=%08lx pc=", |
7635 | (unsigned long)(saved_start - section_start), | |
7636 | dwarf_vmatoa_1 (NULL, length, fc->ptr_size), | |
9c41109d | 7637 | dwarf_vmatoa_1 (NULL, cie_id, offset_size), |
604282a7 | 7638 | (unsigned long)(cie->chunk_start - section_start)); |
bf5117e3 | 7639 | |
604282a7 JJ |
7640 | if (fc->segment_size) |
7641 | printf ("%04lx:", segment_selector); | |
bf5117e3 NC |
7642 | |
7643 | printf ("%s..%s\n", | |
7644 | dwarf_vmatoa_1 (NULL, fc->pc_begin, fc->ptr_size), | |
7645 | dwarf_vmatoa_1 (NULL, fc->pc_begin + fc->pc_range, fc->ptr_size)); | |
7646 | ||
19e6b90e L |
7647 | if (! do_debug_frames_interp && augmentation_data_len) |
7648 | { | |
bf59c5d5 | 7649 | display_augmentation_data (augmentation_data, augmentation_data_len); |
19e6b90e L |
7650 | putchar ('\n'); |
7651 | } | |
7652 | } | |
7653 | ||
7654 | /* At this point, fc is the current chunk, cie (if any) is set, and | |
7655 | we're about to interpret instructions for the chunk. */ | |
7656 | /* ??? At present we need to do this always, since this sizes the | |
7657 | fc->col_type and fc->col_offset arrays, which we write into always. | |
7658 | We should probably split the interpreted and non-interpreted bits | |
7659 | into two different routines, since there's so much that doesn't | |
7660 | really overlap between them. */ | |
7661 | if (1 || do_debug_frames_interp) | |
7662 | { | |
7663 | /* Start by making a pass over the chunk, allocating storage | |
7664 | and taking note of what registers are used. */ | |
7665 | unsigned char *tmp = start; | |
7666 | ||
7667 | while (start < block_end) | |
7668 | { | |
041830e0 NC |
7669 | unsigned int reg, op, opa; |
7670 | unsigned long temp; | |
5929c344 | 7671 | unsigned char * new_start; |
19e6b90e L |
7672 | |
7673 | op = *start++; | |
7674 | opa = op & 0x3f; | |
7675 | if (op & 0xc0) | |
7676 | op &= 0xc0; | |
7677 | ||
7678 | /* Warning: if you add any more cases to this switch, be | |
7679 | sure to add them to the corresponding switch below. */ | |
7680 | switch (op) | |
7681 | { | |
7682 | case DW_CFA_advance_loc: | |
7683 | break; | |
7684 | case DW_CFA_offset: | |
7f2c8a1d | 7685 | SKIP_ULEB (); |
665ce1f6 L |
7686 | if (frame_need_space (fc, opa) >= 0) |
7687 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
7688 | break; |
7689 | case DW_CFA_restore: | |
665ce1f6 L |
7690 | if (frame_need_space (fc, opa) >= 0) |
7691 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
7692 | break; |
7693 | case DW_CFA_set_loc: | |
7694 | start += encoded_ptr_size; | |
7695 | break; | |
7696 | case DW_CFA_advance_loc1: | |
7697 | start += 1; | |
7698 | break; | |
7699 | case DW_CFA_advance_loc2: | |
7700 | start += 2; | |
7701 | break; | |
7702 | case DW_CFA_advance_loc4: | |
7703 | start += 4; | |
7704 | break; | |
7705 | case DW_CFA_offset_extended: | |
12eae2d3 | 7706 | case DW_CFA_val_offset: |
7f2c8a1d NC |
7707 | READ_ULEB (reg); |
7708 | SKIP_ULEB (); | |
665ce1f6 L |
7709 | if (frame_need_space (fc, reg) >= 0) |
7710 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7711 | break; |
7712 | case DW_CFA_restore_extended: | |
7f2c8a1d | 7713 | READ_ULEB (reg); |
665ce1f6 L |
7714 | if (frame_need_space (fc, reg) >= 0) |
7715 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7716 | break; |
7717 | case DW_CFA_undefined: | |
7f2c8a1d | 7718 | READ_ULEB (reg); |
665ce1f6 L |
7719 | if (frame_need_space (fc, reg) >= 0) |
7720 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7721 | break; |
7722 | case DW_CFA_same_value: | |
7f2c8a1d | 7723 | READ_ULEB (reg); |
665ce1f6 L |
7724 | if (frame_need_space (fc, reg) >= 0) |
7725 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7726 | break; |
7727 | case DW_CFA_register: | |
7f2c8a1d NC |
7728 | READ_ULEB (reg); |
7729 | SKIP_ULEB (); | |
665ce1f6 L |
7730 | if (frame_need_space (fc, reg) >= 0) |
7731 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7732 | break; |
7733 | case DW_CFA_def_cfa: | |
7f2c8a1d NC |
7734 | SKIP_ULEB (); |
7735 | SKIP_ULEB (); | |
19e6b90e L |
7736 | break; |
7737 | case DW_CFA_def_cfa_register: | |
7f2c8a1d | 7738 | SKIP_ULEB (); |
19e6b90e L |
7739 | break; |
7740 | case DW_CFA_def_cfa_offset: | |
7f2c8a1d | 7741 | SKIP_ULEB (); |
19e6b90e L |
7742 | break; |
7743 | case DW_CFA_def_cfa_expression: | |
7f2c8a1d | 7744 | READ_ULEB (temp); |
5929c344 NC |
7745 | new_start = start + temp; |
7746 | if (new_start < start) | |
041830e0 NC |
7747 | { |
7748 | warn (_("Corrupt CFA_def expression value: %lu\n"), temp); | |
7749 | start = block_end; | |
7750 | } | |
7751 | else | |
5929c344 | 7752 | start = new_start; |
19e6b90e L |
7753 | break; |
7754 | case DW_CFA_expression: | |
12eae2d3 | 7755 | case DW_CFA_val_expression: |
7f2c8a1d NC |
7756 | READ_ULEB (reg); |
7757 | READ_ULEB (temp); | |
5929c344 NC |
7758 | new_start = start + temp; |
7759 | if (new_start < start) | |
041830e0 | 7760 | { |
b4eb7656 | 7761 | /* PR 17512: file:306-192417-0.005. */ |
041830e0 NC |
7762 | warn (_("Corrupt CFA expression value: %lu\n"), temp); |
7763 | start = block_end; | |
7764 | } | |
7765 | else | |
5929c344 | 7766 | start = new_start; |
665ce1f6 L |
7767 | if (frame_need_space (fc, reg) >= 0) |
7768 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7769 | break; |
7770 | case DW_CFA_offset_extended_sf: | |
12eae2d3 | 7771 | case DW_CFA_val_offset_sf: |
7f2c8a1d NC |
7772 | READ_ULEB (reg); |
7773 | SKIP_SLEB (); | |
665ce1f6 L |
7774 | if (frame_need_space (fc, reg) >= 0) |
7775 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7776 | break; |
7777 | case DW_CFA_def_cfa_sf: | |
7f2c8a1d NC |
7778 | SKIP_ULEB (); |
7779 | SKIP_SLEB (); | |
19e6b90e L |
7780 | break; |
7781 | case DW_CFA_def_cfa_offset_sf: | |
7f2c8a1d | 7782 | SKIP_SLEB (); |
19e6b90e L |
7783 | break; |
7784 | case DW_CFA_MIPS_advance_loc8: | |
7785 | start += 8; | |
7786 | break; | |
7787 | case DW_CFA_GNU_args_size: | |
7f2c8a1d | 7788 | SKIP_ULEB (); |
19e6b90e L |
7789 | break; |
7790 | case DW_CFA_GNU_negative_offset_extended: | |
7f2c8a1d NC |
7791 | READ_ULEB (reg); |
7792 | SKIP_ULEB (); | |
665ce1f6 L |
7793 | if (frame_need_space (fc, reg) >= 0) |
7794 | fc->col_type[reg] = DW_CFA_undefined; | |
7795 | break; | |
19e6b90e L |
7796 | default: |
7797 | break; | |
7798 | } | |
7799 | } | |
7800 | start = tmp; | |
7801 | } | |
7802 | ||
5b6312fd NC |
7803 | all_nops = TRUE; |
7804 | ||
19e6b90e L |
7805 | /* Now we know what registers are used, make a second pass over |
7806 | the chunk, this time actually printing out the info. */ | |
7807 | ||
7808 | while (start < block_end) | |
7809 | { | |
362beea4 | 7810 | unsigned char * tmp; |
19e6b90e | 7811 | unsigned op, opa; |
7f2c8a1d NC |
7812 | unsigned long ul, roffs; |
7813 | /* Note: It is tempting to use an unsigned long for 'reg' but there | |
7814 | are various functions, notably frame_space_needed() that assume that | |
7815 | reg is an unsigned int. */ | |
7816 | unsigned int reg; | |
7817 | dwarf_signed_vma l; | |
bf5117e3 | 7818 | dwarf_vma ofs; |
19e6b90e | 7819 | dwarf_vma vma; |
665ce1f6 | 7820 | const char *reg_prefix = ""; |
19e6b90e L |
7821 | |
7822 | op = *start++; | |
7823 | opa = op & 0x3f; | |
7824 | if (op & 0xc0) | |
7825 | op &= 0xc0; | |
7826 | ||
5b6312fd NC |
7827 | /* Make a note if something other than DW_CFA_nop happens. */ |
7828 | if (op != DW_CFA_nop) | |
7829 | all_nops = FALSE; | |
7830 | ||
19e6b90e L |
7831 | /* Warning: if you add any more cases to this switch, be |
7832 | sure to add them to the corresponding switch above. */ | |
7833 | switch (op) | |
7834 | { | |
7835 | case DW_CFA_advance_loc: | |
7836 | if (do_debug_frames_interp) | |
7837 | frame_display_row (fc, &need_col_headers, &max_regs); | |
7838 | else | |
bf5117e3 | 7839 | printf (" DW_CFA_advance_loc: %d to %s\n", |
19e6b90e | 7840 | opa * fc->code_factor, |
b4eb7656 | 7841 | dwarf_vmatoa_1 (NULL, |
bf5117e3 NC |
7842 | fc->pc_begin + opa * fc->code_factor, |
7843 | fc->ptr_size)); | |
19e6b90e L |
7844 | fc->pc_begin += opa * fc->code_factor; |
7845 | break; | |
7846 | ||
7847 | case DW_CFA_offset: | |
7f2c8a1d | 7848 | READ_ULEB (roffs); |
665ce1f6 L |
7849 | if (opa >= (unsigned int) fc->ncols) |
7850 | reg_prefix = bad_reg; | |
7851 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
7852 | printf (" DW_CFA_offset: %s%s at cfa%+ld\n", | |
7853 | reg_prefix, regname (opa, 0), | |
7854 | roffs * fc->data_factor); | |
7855 | if (*reg_prefix == '\0') | |
7856 | { | |
7857 | fc->col_type[opa] = DW_CFA_offset; | |
7858 | fc->col_offset[opa] = roffs * fc->data_factor; | |
7859 | } | |
19e6b90e L |
7860 | break; |
7861 | ||
7862 | case DW_CFA_restore: | |
50751e18 | 7863 | if (opa >= (unsigned int) fc->ncols) |
665ce1f6 L |
7864 | reg_prefix = bad_reg; |
7865 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
7866 | printf (" DW_CFA_restore: %s%s\n", | |
7867 | reg_prefix, regname (opa, 0)); | |
50751e18 AK |
7868 | if (*reg_prefix != '\0') |
7869 | break; | |
7870 | ||
7871 | if (opa >= (unsigned int) cie->ncols | |
7872 | || (do_debug_frames_interp | |
7873 | && cie->col_type[opa] == DW_CFA_unreferenced)) | |
7874 | { | |
7875 | fc->col_type[opa] = DW_CFA_undefined; | |
7876 | fc->col_offset[opa] = 0; | |
7877 | } | |
7878 | else | |
665ce1f6 L |
7879 | { |
7880 | fc->col_type[opa] = cie->col_type[opa]; | |
7881 | fc->col_offset[opa] = cie->col_offset[opa]; | |
7882 | } | |
19e6b90e L |
7883 | break; |
7884 | ||
7885 | case DW_CFA_set_loc: | |
6937bb54 | 7886 | vma = get_encoded_value (&start, fc->fde_encoding, section, block_end); |
19e6b90e L |
7887 | if (do_debug_frames_interp) |
7888 | frame_display_row (fc, &need_col_headers, &max_regs); | |
7889 | else | |
bf5117e3 NC |
7890 | printf (" DW_CFA_set_loc: %s\n", |
7891 | dwarf_vmatoa_1 (NULL, vma, fc->ptr_size)); | |
19e6b90e L |
7892 | fc->pc_begin = vma; |
7893 | break; | |
7894 | ||
7895 | case DW_CFA_advance_loc1: | |
0c588247 | 7896 | SAFE_BYTE_GET_AND_INC (ofs, start, 1, end); |
19e6b90e L |
7897 | if (do_debug_frames_interp) |
7898 | frame_display_row (fc, &need_col_headers, &max_regs); | |
7899 | else | |
bf5117e3 NC |
7900 | printf (" DW_CFA_advance_loc1: %ld to %s\n", |
7901 | (unsigned long) (ofs * fc->code_factor), | |
7902 | dwarf_vmatoa_1 (NULL, | |
7903 | fc->pc_begin + ofs * fc->code_factor, | |
7904 | fc->ptr_size)); | |
19e6b90e L |
7905 | fc->pc_begin += ofs * fc->code_factor; |
7906 | break; | |
7907 | ||
7908 | case DW_CFA_advance_loc2: | |
6937bb54 | 7909 | SAFE_BYTE_GET_AND_INC (ofs, start, 2, block_end); |
19e6b90e L |
7910 | if (do_debug_frames_interp) |
7911 | frame_display_row (fc, &need_col_headers, &max_regs); | |
7912 | else | |
bf5117e3 NC |
7913 | printf (" DW_CFA_advance_loc2: %ld to %s\n", |
7914 | (unsigned long) (ofs * fc->code_factor), | |
7915 | dwarf_vmatoa_1 (NULL, | |
7916 | fc->pc_begin + ofs * fc->code_factor, | |
7917 | fc->ptr_size)); | |
19e6b90e L |
7918 | fc->pc_begin += ofs * fc->code_factor; |
7919 | break; | |
7920 | ||
7921 | case DW_CFA_advance_loc4: | |
6937bb54 | 7922 | SAFE_BYTE_GET_AND_INC (ofs, start, 4, block_end); |
19e6b90e L |
7923 | if (do_debug_frames_interp) |
7924 | frame_display_row (fc, &need_col_headers, &max_regs); | |
7925 | else | |
bf5117e3 NC |
7926 | printf (" DW_CFA_advance_loc4: %ld to %s\n", |
7927 | (unsigned long) (ofs * fc->code_factor), | |
7928 | dwarf_vmatoa_1 (NULL, | |
7929 | fc->pc_begin + ofs * fc->code_factor, | |
7930 | fc->ptr_size)); | |
19e6b90e L |
7931 | fc->pc_begin += ofs * fc->code_factor; |
7932 | break; | |
7933 | ||
7934 | case DW_CFA_offset_extended: | |
7f2c8a1d NC |
7935 | READ_ULEB (reg); |
7936 | READ_ULEB (roffs); | |
665ce1f6 L |
7937 | if (reg >= (unsigned int) fc->ncols) |
7938 | reg_prefix = bad_reg; | |
7939 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
7940 | printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n", | |
7941 | reg_prefix, regname (reg, 0), | |
7942 | roffs * fc->data_factor); | |
7943 | if (*reg_prefix == '\0') | |
7944 | { | |
7945 | fc->col_type[reg] = DW_CFA_offset; | |
7946 | fc->col_offset[reg] = roffs * fc->data_factor; | |
7947 | } | |
19e6b90e L |
7948 | break; |
7949 | ||
12eae2d3 | 7950 | case DW_CFA_val_offset: |
7f2c8a1d NC |
7951 | READ_ULEB (reg); |
7952 | READ_ULEB (roffs); | |
665ce1f6 L |
7953 | if (reg >= (unsigned int) fc->ncols) |
7954 | reg_prefix = bad_reg; | |
7955 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
084303b8 | 7956 | printf (" DW_CFA_val_offset: %s%s is cfa%+ld\n", |
665ce1f6 L |
7957 | reg_prefix, regname (reg, 0), |
7958 | roffs * fc->data_factor); | |
7959 | if (*reg_prefix == '\0') | |
7960 | { | |
7961 | fc->col_type[reg] = DW_CFA_val_offset; | |
7962 | fc->col_offset[reg] = roffs * fc->data_factor; | |
7963 | } | |
12eae2d3 JJ |
7964 | break; |
7965 | ||
19e6b90e | 7966 | case DW_CFA_restore_extended: |
7f2c8a1d | 7967 | READ_ULEB (reg); |
50751e18 | 7968 | if (reg >= (unsigned int) fc->ncols) |
665ce1f6 L |
7969 | reg_prefix = bad_reg; |
7970 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
7971 | printf (" DW_CFA_restore_extended: %s%s\n", | |
7972 | reg_prefix, regname (reg, 0)); | |
50751e18 AK |
7973 | if (*reg_prefix != '\0') |
7974 | break; | |
7975 | ||
7976 | if (reg >= (unsigned int) cie->ncols) | |
7977 | { | |
7978 | fc->col_type[reg] = DW_CFA_undefined; | |
7979 | fc->col_offset[reg] = 0; | |
7980 | } | |
7981 | else | |
665ce1f6 L |
7982 | { |
7983 | fc->col_type[reg] = cie->col_type[reg]; | |
7984 | fc->col_offset[reg] = cie->col_offset[reg]; | |
7985 | } | |
19e6b90e L |
7986 | break; |
7987 | ||
7988 | case DW_CFA_undefined: | |
7f2c8a1d | 7989 | READ_ULEB (reg); |
665ce1f6 L |
7990 | if (reg >= (unsigned int) fc->ncols) |
7991 | reg_prefix = bad_reg; | |
7992 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
7993 | printf (" DW_CFA_undefined: %s%s\n", | |
7994 | reg_prefix, regname (reg, 0)); | |
7995 | if (*reg_prefix == '\0') | |
7996 | { | |
7997 | fc->col_type[reg] = DW_CFA_undefined; | |
7998 | fc->col_offset[reg] = 0; | |
7999 | } | |
19e6b90e L |
8000 | break; |
8001 | ||
8002 | case DW_CFA_same_value: | |
7f2c8a1d | 8003 | READ_ULEB (reg); |
665ce1f6 L |
8004 | if (reg >= (unsigned int) fc->ncols) |
8005 | reg_prefix = bad_reg; | |
8006 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8007 | printf (" DW_CFA_same_value: %s%s\n", | |
8008 | reg_prefix, regname (reg, 0)); | |
8009 | if (*reg_prefix == '\0') | |
8010 | { | |
8011 | fc->col_type[reg] = DW_CFA_same_value; | |
8012 | fc->col_offset[reg] = 0; | |
8013 | } | |
19e6b90e L |
8014 | break; |
8015 | ||
8016 | case DW_CFA_register: | |
7f2c8a1d NC |
8017 | READ_ULEB (reg); |
8018 | READ_ULEB (roffs); | |
665ce1f6 L |
8019 | if (reg >= (unsigned int) fc->ncols) |
8020 | reg_prefix = bad_reg; | |
8021 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
2dc4cec1 | 8022 | { |
665ce1f6 L |
8023 | printf (" DW_CFA_register: %s%s in ", |
8024 | reg_prefix, regname (reg, 0)); | |
2dc4cec1 L |
8025 | puts (regname (roffs, 0)); |
8026 | } | |
665ce1f6 L |
8027 | if (*reg_prefix == '\0') |
8028 | { | |
8029 | fc->col_type[reg] = DW_CFA_register; | |
8030 | fc->col_offset[reg] = roffs; | |
8031 | } | |
19e6b90e L |
8032 | break; |
8033 | ||
8034 | case DW_CFA_remember_state: | |
8035 | if (! do_debug_frames_interp) | |
8036 | printf (" DW_CFA_remember_state\n"); | |
3f5e193b | 8037 | rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
b4eb7656 | 8038 | rs->cfa_offset = fc->cfa_offset; |
d71ad7fc RC |
8039 | rs->cfa_reg = fc->cfa_reg; |
8040 | rs->ra = fc->ra; | |
8041 | rs->cfa_exp = fc->cfa_exp; | |
19e6b90e | 8042 | rs->ncols = fc->ncols; |
3f5e193b | 8043 | rs->col_type = (short int *) xcmalloc (rs->ncols, |
b4eb7656 | 8044 | sizeof (* rs->col_type)); |
d71ad7fc RC |
8045 | rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (* rs->col_offset)); |
8046 | memcpy (rs->col_type, fc->col_type, rs->ncols * sizeof (* fc->col_type)); | |
8047 | memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (* fc->col_offset)); | |
19e6b90e L |
8048 | rs->next = remembered_state; |
8049 | remembered_state = rs; | |
8050 | break; | |
8051 | ||
8052 | case DW_CFA_restore_state: | |
8053 | if (! do_debug_frames_interp) | |
8054 | printf (" DW_CFA_restore_state\n"); | |
8055 | rs = remembered_state; | |
8056 | if (rs) | |
8057 | { | |
8058 | remembered_state = rs->next; | |
d71ad7fc RC |
8059 | fc->cfa_offset = rs->cfa_offset; |
8060 | fc->cfa_reg = rs->cfa_reg; | |
b4eb7656 AM |
8061 | fc->ra = rs->ra; |
8062 | fc->cfa_exp = rs->cfa_exp; | |
06614111 NC |
8063 | if (frame_need_space (fc, rs->ncols - 1) < 0) |
8064 | { | |
1306a742 | 8065 | warn (_("Invalid column number in saved frame state\n")); |
06614111 NC |
8066 | fc->ncols = 0; |
8067 | break; | |
8068 | } | |
d71ad7fc | 8069 | memcpy (fc->col_type, rs->col_type, rs->ncols * sizeof (* rs->col_type)); |
19e6b90e | 8070 | memcpy (fc->col_offset, rs->col_offset, |
d71ad7fc | 8071 | rs->ncols * sizeof (* rs->col_offset)); |
19e6b90e L |
8072 | free (rs->col_type); |
8073 | free (rs->col_offset); | |
8074 | free (rs); | |
8075 | } | |
8076 | else if (do_debug_frames_interp) | |
8077 | printf ("Mismatched DW_CFA_restore_state\n"); | |
8078 | break; | |
8079 | ||
8080 | case DW_CFA_def_cfa: | |
32ef3000 | 8081 | READ_ULEB (fc->cfa_reg); |
7f2c8a1d | 8082 | READ_ULEB (fc->cfa_offset); |
19e6b90e L |
8083 | fc->cfa_exp = 0; |
8084 | if (! do_debug_frames_interp) | |
2dc4cec1 | 8085 | printf (" DW_CFA_def_cfa: %s ofs %d\n", |
c8071705 | 8086 | regname (fc->cfa_reg, 0), (int) fc->cfa_offset); |
19e6b90e L |
8087 | break; |
8088 | ||
8089 | case DW_CFA_def_cfa_register: | |
32ef3000 | 8090 | READ_ULEB (fc->cfa_reg); |
19e6b90e L |
8091 | fc->cfa_exp = 0; |
8092 | if (! do_debug_frames_interp) | |
2dc4cec1 L |
8093 | printf (" DW_CFA_def_cfa_register: %s\n", |
8094 | regname (fc->cfa_reg, 0)); | |
19e6b90e L |
8095 | break; |
8096 | ||
8097 | case DW_CFA_def_cfa_offset: | |
7f2c8a1d | 8098 | READ_ULEB (fc->cfa_offset); |
19e6b90e | 8099 | if (! do_debug_frames_interp) |
c8071705 | 8100 | printf (" DW_CFA_def_cfa_offset: %d\n", (int) fc->cfa_offset); |
19e6b90e L |
8101 | break; |
8102 | ||
8103 | case DW_CFA_nop: | |
8104 | if (! do_debug_frames_interp) | |
8105 | printf (" DW_CFA_nop\n"); | |
8106 | break; | |
8107 | ||
8108 | case DW_CFA_def_cfa_expression: | |
7f2c8a1d | 8109 | READ_ULEB (ul); |
7460c0ab | 8110 | if (start >= block_end || ul > (unsigned long) (block_end - start)) |
6937bb54 | 8111 | { |
a1165289 | 8112 | printf (_(" DW_CFA_def_cfa_expression: <corrupt len %lu>\n"), ul); |
6937bb54 NC |
8113 | break; |
8114 | } | |
19e6b90e L |
8115 | if (! do_debug_frames_interp) |
8116 | { | |
8117 | printf (" DW_CFA_def_cfa_expression ("); | |
b7807392 JJ |
8118 | decode_location_expression (start, eh_addr_size, 0, -1, |
8119 | ul, 0, section); | |
19e6b90e L |
8120 | printf (")\n"); |
8121 | } | |
8122 | fc->cfa_exp = 1; | |
8123 | start += ul; | |
8124 | break; | |
8125 | ||
8126 | case DW_CFA_expression: | |
7f2c8a1d NC |
8127 | READ_ULEB (reg); |
8128 | READ_ULEB (ul); | |
665ce1f6 L |
8129 | if (reg >= (unsigned int) fc->ncols) |
8130 | reg_prefix = bad_reg; | |
6937bb54 | 8131 | /* PR 17512: file: 069-133014-0.006. */ |
06614111 | 8132 | /* PR 17512: file: 98c02eb4. */ |
362beea4 NC |
8133 | tmp = start + ul; |
8134 | if (start >= block_end || tmp > block_end || tmp < start) | |
6937bb54 | 8135 | { |
a1165289 | 8136 | printf (_(" DW_CFA_expression: <corrupt len %lu>\n"), ul); |
6937bb54 NC |
8137 | break; |
8138 | } | |
665ce1f6 | 8139 | if (! do_debug_frames_interp || *reg_prefix != '\0') |
19e6b90e | 8140 | { |
665ce1f6 L |
8141 | printf (" DW_CFA_expression: %s%s (", |
8142 | reg_prefix, regname (reg, 0)); | |
b7807392 | 8143 | decode_location_expression (start, eh_addr_size, 0, -1, |
f1c4cc75 | 8144 | ul, 0, section); |
19e6b90e L |
8145 | printf (")\n"); |
8146 | } | |
665ce1f6 L |
8147 | if (*reg_prefix == '\0') |
8148 | fc->col_type[reg] = DW_CFA_expression; | |
362beea4 | 8149 | start = tmp; |
19e6b90e L |
8150 | break; |
8151 | ||
12eae2d3 | 8152 | case DW_CFA_val_expression: |
7f2c8a1d NC |
8153 | READ_ULEB (reg); |
8154 | READ_ULEB (ul); | |
665ce1f6 L |
8155 | if (reg >= (unsigned int) fc->ncols) |
8156 | reg_prefix = bad_reg; | |
362beea4 NC |
8157 | tmp = start + ul; |
8158 | if (start >= block_end || tmp > block_end || tmp < start) | |
6937bb54 | 8159 | { |
a1165289 | 8160 | printf (" DW_CFA_val_expression: <corrupt len %lu>\n", ul); |
6937bb54 NC |
8161 | break; |
8162 | } | |
665ce1f6 | 8163 | if (! do_debug_frames_interp || *reg_prefix != '\0') |
12eae2d3 | 8164 | { |
665ce1f6 L |
8165 | printf (" DW_CFA_val_expression: %s%s (", |
8166 | reg_prefix, regname (reg, 0)); | |
b7807392 JJ |
8167 | decode_location_expression (start, eh_addr_size, 0, -1, |
8168 | ul, 0, section); | |
12eae2d3 JJ |
8169 | printf (")\n"); |
8170 | } | |
665ce1f6 L |
8171 | if (*reg_prefix == '\0') |
8172 | fc->col_type[reg] = DW_CFA_val_expression; | |
362beea4 | 8173 | start = tmp; |
12eae2d3 JJ |
8174 | break; |
8175 | ||
19e6b90e | 8176 | case DW_CFA_offset_extended_sf: |
7f2c8a1d NC |
8177 | READ_ULEB (reg); |
8178 | READ_SLEB (l); | |
665ce1f6 L |
8179 | if (frame_need_space (fc, reg) < 0) |
8180 | reg_prefix = bad_reg; | |
8181 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8182 | printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n", | |
8183 | reg_prefix, regname (reg, 0), | |
c8071705 | 8184 | (long)(l * fc->data_factor)); |
665ce1f6 L |
8185 | if (*reg_prefix == '\0') |
8186 | { | |
8187 | fc->col_type[reg] = DW_CFA_offset; | |
8188 | fc->col_offset[reg] = l * fc->data_factor; | |
8189 | } | |
19e6b90e L |
8190 | break; |
8191 | ||
12eae2d3 | 8192 | case DW_CFA_val_offset_sf: |
7f2c8a1d NC |
8193 | READ_ULEB (reg); |
8194 | READ_SLEB (l); | |
665ce1f6 L |
8195 | if (frame_need_space (fc, reg) < 0) |
8196 | reg_prefix = bad_reg; | |
8197 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
084303b8 | 8198 | printf (" DW_CFA_val_offset_sf: %s%s is cfa%+ld\n", |
665ce1f6 | 8199 | reg_prefix, regname (reg, 0), |
c8071705 | 8200 | (long)(l * fc->data_factor)); |
665ce1f6 L |
8201 | if (*reg_prefix == '\0') |
8202 | { | |
8203 | fc->col_type[reg] = DW_CFA_val_offset; | |
8204 | fc->col_offset[reg] = l * fc->data_factor; | |
8205 | } | |
12eae2d3 JJ |
8206 | break; |
8207 | ||
19e6b90e | 8208 | case DW_CFA_def_cfa_sf: |
32ef3000 | 8209 | READ_ULEB (fc->cfa_reg); |
7f2c8a1d | 8210 | READ_ULEB (fc->cfa_offset); |
19e6b90e L |
8211 | fc->cfa_offset = fc->cfa_offset * fc->data_factor; |
8212 | fc->cfa_exp = 0; | |
8213 | if (! do_debug_frames_interp) | |
2dc4cec1 | 8214 | printf (" DW_CFA_def_cfa_sf: %s ofs %d\n", |
c8071705 | 8215 | regname (fc->cfa_reg, 0), (int) fc->cfa_offset); |
19e6b90e L |
8216 | break; |
8217 | ||
8218 | case DW_CFA_def_cfa_offset_sf: | |
7f2c8a1d | 8219 | READ_ULEB (fc->cfa_offset); |
c8071705 | 8220 | fc->cfa_offset *= fc->data_factor; |
19e6b90e | 8221 | if (! do_debug_frames_interp) |
c8071705 | 8222 | printf (" DW_CFA_def_cfa_offset_sf: %d\n", (int) fc->cfa_offset); |
19e6b90e L |
8223 | break; |
8224 | ||
8225 | case DW_CFA_MIPS_advance_loc8: | |
6937bb54 | 8226 | SAFE_BYTE_GET_AND_INC (ofs, start, 8, block_end); |
19e6b90e L |
8227 | if (do_debug_frames_interp) |
8228 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8229 | else | |
bf5117e3 NC |
8230 | printf (" DW_CFA_MIPS_advance_loc8: %ld to %s\n", |
8231 | (unsigned long) (ofs * fc->code_factor), | |
8232 | dwarf_vmatoa_1 (NULL, | |
8233 | fc->pc_begin + ofs * fc->code_factor, | |
8234 | fc->ptr_size)); | |
19e6b90e L |
8235 | fc->pc_begin += ofs * fc->code_factor; |
8236 | break; | |
8237 | ||
8238 | case DW_CFA_GNU_window_save: | |
8239 | if (! do_debug_frames_interp) | |
8240 | printf (" DW_CFA_GNU_window_save\n"); | |
8241 | break; | |
8242 | ||
8243 | case DW_CFA_GNU_args_size: | |
7f2c8a1d | 8244 | READ_ULEB (ul); |
19e6b90e L |
8245 | if (! do_debug_frames_interp) |
8246 | printf (" DW_CFA_GNU_args_size: %ld\n", ul); | |
8247 | break; | |
8248 | ||
8249 | case DW_CFA_GNU_negative_offset_extended: | |
7f2c8a1d NC |
8250 | READ_ULEB (reg); |
8251 | READ_SLEB (l); | |
8252 | l = - l; | |
665ce1f6 L |
8253 | if (frame_need_space (fc, reg) < 0) |
8254 | reg_prefix = bad_reg; | |
8255 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8256 | printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n", | |
8257 | reg_prefix, regname (reg, 0), | |
c8071705 | 8258 | (long)(l * fc->data_factor)); |
665ce1f6 L |
8259 | if (*reg_prefix == '\0') |
8260 | { | |
8261 | fc->col_type[reg] = DW_CFA_offset; | |
8262 | fc->col_offset[reg] = l * fc->data_factor; | |
8263 | } | |
19e6b90e L |
8264 | break; |
8265 | ||
8266 | default: | |
53b8873b NC |
8267 | if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user) |
8268 | printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op); | |
8269 | else | |
f41e4712 | 8270 | warn (_("Unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op); |
19e6b90e L |
8271 | start = block_end; |
8272 | } | |
8273 | } | |
8274 | ||
5b6312fd NC |
8275 | /* Interpret the CFA - as long as it is not completely full of NOPs. */ |
8276 | if (do_debug_frames_interp && ! all_nops) | |
19e6b90e L |
8277 | frame_display_row (fc, &need_col_headers, &max_regs); |
8278 | ||
8279 | start = block_end; | |
604282a7 | 8280 | eh_addr_size = saved_eh_addr_size; |
19e6b90e L |
8281 | } |
8282 | ||
8283 | printf ("\n"); | |
8284 | ||
8285 | return 1; | |
8286 | } | |
8287 | ||
8288 | #undef GET | |
19e6b90e | 8289 | |
61364358 JK |
8290 | static int |
8291 | display_debug_names (struct dwarf_section *section, void *file) | |
8292 | { | |
8293 | unsigned char *hdrptr = section->start; | |
8294 | dwarf_vma unit_length; | |
8295 | unsigned char *unit_start; | |
8296 | const unsigned char *const section_end = section->start + section->size; | |
8297 | unsigned char *unit_end; | |
8298 | ||
dda8d76d | 8299 | introduce (section, FALSE); |
61364358 | 8300 | |
dda8d76d | 8301 | load_debug_section_with_follow (str, file); |
61364358 JK |
8302 | |
8303 | for (; hdrptr < section_end; hdrptr = unit_end) | |
8304 | { | |
8305 | unsigned int offset_size; | |
8306 | uint16_t dwarf_version, padding; | |
8307 | uint32_t comp_unit_count, local_type_unit_count, foreign_type_unit_count; | |
8308 | uint32_t bucket_count, name_count, abbrev_table_size; | |
8309 | uint32_t augmentation_string_size; | |
8310 | unsigned int i; | |
e98fdf1a | 8311 | unsigned long sec_off; |
61364358 JK |
8312 | |
8313 | unit_start = hdrptr; | |
8314 | ||
8315 | /* Get and check the length of the block. */ | |
8316 | SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 4, section_end); | |
8317 | ||
8318 | if (unit_length == 0xffffffff) | |
8319 | { | |
8320 | /* This section is 64-bit DWARF. */ | |
8321 | SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 8, section_end); | |
8322 | offset_size = 8; | |
8323 | } | |
8324 | else | |
8325 | offset_size = 4; | |
8326 | unit_end = hdrptr + unit_length; | |
8327 | ||
e98fdf1a AM |
8328 | sec_off = hdrptr - section->start; |
8329 | if (sec_off + unit_length < sec_off | |
8330 | || sec_off + unit_length > section->size) | |
61364358 | 8331 | { |
e98fdf1a AM |
8332 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), |
8333 | section->name, | |
8334 | (unsigned long) (unit_start - section->start), | |
8335 | dwarf_vmatoa ("x", unit_length)); | |
61364358 JK |
8336 | return 0; |
8337 | } | |
8338 | ||
8339 | /* Get and check the version number. */ | |
8340 | SAFE_BYTE_GET_AND_INC (dwarf_version, hdrptr, 2, unit_end); | |
8341 | printf (_("Version %ld\n"), (long) dwarf_version); | |
8342 | ||
8343 | /* Prior versions did not exist, and future versions may not be | |
8344 | backwards compatible. */ | |
8345 | if (dwarf_version != 5) | |
8346 | { | |
8347 | warn (_("Only DWARF version 5 .debug_names " | |
8348 | "is currently supported.\n")); | |
8349 | return 0; | |
8350 | } | |
8351 | ||
8352 | SAFE_BYTE_GET_AND_INC (padding, hdrptr, 2, unit_end); | |
8353 | if (padding != 0) | |
8354 | warn (_("Padding field of .debug_names must be 0 (found 0x%x)\n"), | |
8355 | padding); | |
8356 | ||
8357 | SAFE_BYTE_GET_AND_INC (comp_unit_count, hdrptr, 4, unit_end); | |
8358 | if (comp_unit_count == 0) | |
8359 | warn (_("Compilation unit count must be >= 1 in .debug_names\n")); | |
8360 | ||
8361 | SAFE_BYTE_GET_AND_INC (local_type_unit_count, hdrptr, 4, unit_end); | |
8362 | SAFE_BYTE_GET_AND_INC (foreign_type_unit_count, hdrptr, 4, unit_end); | |
8363 | SAFE_BYTE_GET_AND_INC (bucket_count, hdrptr, 4, unit_end); | |
8364 | SAFE_BYTE_GET_AND_INC (name_count, hdrptr, 4, unit_end); | |
8365 | SAFE_BYTE_GET_AND_INC (abbrev_table_size, hdrptr, 4, unit_end); | |
8366 | ||
8367 | SAFE_BYTE_GET_AND_INC (augmentation_string_size, hdrptr, 4, unit_end); | |
8368 | if (augmentation_string_size % 4 != 0) | |
8369 | { | |
8370 | warn (_("Augmentation string length %u must be rounded up " | |
8371 | "to a multiple of 4 in .debug_names.\n"), | |
8372 | augmentation_string_size); | |
8373 | augmentation_string_size += (-augmentation_string_size) & 3; | |
8374 | } | |
8375 | printf (_("Augmentation string:")); | |
8376 | for (i = 0; i < augmentation_string_size; i++) | |
8377 | { | |
8378 | unsigned char uc; | |
8379 | ||
8380 | SAFE_BYTE_GET_AND_INC (uc, hdrptr, 1, unit_end); | |
8381 | printf (" %02x", uc); | |
8382 | } | |
8383 | putchar ('\n'); | |
8384 | putchar ('\n'); | |
8385 | ||
8386 | printf (_("CU table:\n")); | |
8387 | for (i = 0; i < comp_unit_count; i++) | |
8388 | { | |
8389 | uint64_t cu_offset; | |
8390 | ||
8391 | SAFE_BYTE_GET_AND_INC (cu_offset, hdrptr, offset_size, unit_end); | |
8392 | printf (_("[%3u] 0x%lx\n"), i, (unsigned long) cu_offset); | |
8393 | } | |
8394 | putchar ('\n'); | |
8395 | ||
8396 | printf (_("TU table:\n")); | |
8397 | for (i = 0; i < local_type_unit_count; i++) | |
8398 | { | |
8399 | uint64_t tu_offset; | |
8400 | ||
8401 | SAFE_BYTE_GET_AND_INC (tu_offset, hdrptr, offset_size, unit_end); | |
8402 | printf (_("[%3u] 0x%lx\n"), i, (unsigned long) tu_offset); | |
8403 | } | |
8404 | putchar ('\n'); | |
8405 | ||
8406 | printf (_("Foreign TU table:\n")); | |
8407 | for (i = 0; i < foreign_type_unit_count; i++) | |
8408 | { | |
8409 | uint64_t signature; | |
8410 | ||
8411 | SAFE_BYTE_GET_AND_INC (signature, hdrptr, 8, unit_end); | |
8412 | printf (_("[%3u] "), i); | |
8413 | print_dwarf_vma (signature, 8); | |
8414 | putchar ('\n'); | |
8415 | } | |
8416 | putchar ('\n'); | |
8417 | ||
8418 | const uint32_t *const hash_table_buckets = (uint32_t *) hdrptr; | |
8419 | hdrptr += bucket_count * sizeof (uint32_t); | |
8420 | const uint32_t *const hash_table_hashes = (uint32_t *) hdrptr; | |
8421 | hdrptr += name_count * sizeof (uint32_t); | |
8422 | unsigned char *const name_table_string_offsets = hdrptr; | |
8423 | hdrptr += name_count * offset_size; | |
8424 | unsigned char *const name_table_entry_offsets = hdrptr; | |
8425 | hdrptr += name_count * offset_size; | |
8426 | unsigned char *const abbrev_table = hdrptr; | |
8427 | hdrptr += abbrev_table_size; | |
8428 | const unsigned char *const abbrev_table_end = hdrptr; | |
8429 | unsigned char *const entry_pool = hdrptr; | |
8430 | if (hdrptr > unit_end) | |
8431 | { | |
8432 | warn (_("Entry pool offset (0x%lx) exceeds unit size 0x%lx " | |
8433 | "for unit 0x%lx in the debug_names\n"), | |
8434 | (long) (hdrptr - section->start), | |
8435 | (long) (unit_end - section->start), | |
8436 | (long) (unit_start - section->start)); | |
8437 | return 0; | |
8438 | } | |
8439 | ||
8440 | size_t buckets_filled = 0; | |
8441 | size_t bucketi; | |
8442 | for (bucketi = 0; bucketi < bucket_count; bucketi++) | |
8443 | { | |
8444 | const uint32_t bucket = hash_table_buckets[bucketi]; | |
8445 | ||
8446 | if (bucket != 0) | |
8447 | ++buckets_filled; | |
8448 | } | |
d3a49aa8 AM |
8449 | printf (ngettext ("Used %zu of %lu bucket.\n", |
8450 | "Used %zu of %lu buckets.\n", | |
8451 | bucket_count), | |
8452 | buckets_filled, (unsigned long) bucket_count); | |
61364358 | 8453 | |
0a79bef4 | 8454 | uint32_t hash_prev = 0; |
61364358 JK |
8455 | size_t hash_clash_count = 0; |
8456 | size_t longest_clash = 0; | |
8457 | size_t this_length = 0; | |
8458 | size_t hashi; | |
8459 | for (hashi = 0; hashi < name_count; hashi++) | |
8460 | { | |
8461 | const uint32_t hash_this = hash_table_hashes[hashi]; | |
8462 | ||
8463 | if (hashi > 0) | |
8464 | { | |
8465 | if (hash_prev % bucket_count == hash_this % bucket_count) | |
8466 | { | |
8467 | ++hash_clash_count; | |
8468 | ++this_length; | |
8469 | longest_clash = MAX (longest_clash, this_length); | |
8470 | } | |
8471 | else | |
8472 | this_length = 0; | |
8473 | } | |
8474 | hash_prev = hash_this; | |
8475 | } | |
8476 | printf (_("Out of %lu items there are %zu bucket clashes" | |
8477 | " (longest of %zu entries).\n"), | |
8478 | (unsigned long) name_count, hash_clash_count, longest_clash); | |
8479 | assert (name_count == buckets_filled + hash_clash_count); | |
8480 | ||
8481 | struct abbrev_lookup_entry | |
8482 | { | |
8483 | dwarf_vma abbrev_tag; | |
8484 | unsigned char *abbrev_lookup_ptr; | |
8485 | }; | |
8486 | struct abbrev_lookup_entry *abbrev_lookup = NULL; | |
8487 | size_t abbrev_lookup_used = 0; | |
8488 | size_t abbrev_lookup_allocated = 0; | |
8489 | ||
8490 | unsigned char *abbrevptr = abbrev_table; | |
8491 | for (;;) | |
8492 | { | |
8493 | unsigned int bytes_read; | |
8494 | const dwarf_vma abbrev_tag = read_uleb128 (abbrevptr, &bytes_read, | |
8495 | abbrev_table_end); | |
8496 | abbrevptr += bytes_read; | |
8497 | if (abbrev_tag == 0) | |
8498 | break; | |
8499 | if (abbrev_lookup_used == abbrev_lookup_allocated) | |
8500 | { | |
8501 | abbrev_lookup_allocated = MAX (0x100, | |
8502 | abbrev_lookup_allocated * 2); | |
8503 | abbrev_lookup = xrealloc (abbrev_lookup, | |
8504 | (abbrev_lookup_allocated | |
8505 | * sizeof (*abbrev_lookup))); | |
8506 | } | |
8507 | assert (abbrev_lookup_used < abbrev_lookup_allocated); | |
8508 | struct abbrev_lookup_entry *entry; | |
8509 | for (entry = abbrev_lookup; | |
8510 | entry < abbrev_lookup + abbrev_lookup_used; | |
8511 | entry++) | |
8512 | if (entry->abbrev_tag == abbrev_tag) | |
8513 | { | |
8514 | warn (_("Duplicate abbreviation tag %lu " | |
8515 | "in unit 0x%lx in the debug_names\n"), | |
8516 | (long) abbrev_tag, (long) (unit_start - section->start)); | |
8517 | break; | |
8518 | } | |
8519 | entry = &abbrev_lookup[abbrev_lookup_used++]; | |
8520 | entry->abbrev_tag = abbrev_tag; | |
8521 | entry->abbrev_lookup_ptr = abbrevptr; | |
8522 | ||
8523 | /* Skip DWARF tag. */ | |
8524 | read_uleb128 (abbrevptr, &bytes_read, abbrev_table_end); | |
8525 | abbrevptr += bytes_read; | |
8526 | for (;;) | |
8527 | { | |
1d827a72 L |
8528 | const dwarf_vma xindex = read_uleb128 (abbrevptr, |
8529 | &bytes_read, | |
8530 | abbrev_table_end); | |
61364358 JK |
8531 | abbrevptr += bytes_read; |
8532 | const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read, | |
8533 | abbrev_table_end); | |
8534 | abbrevptr += bytes_read; | |
1d827a72 | 8535 | if (xindex == 0 && form == 0) |
61364358 JK |
8536 | break; |
8537 | } | |
8538 | } | |
8539 | ||
8540 | printf (_("\nSymbol table:\n")); | |
8541 | uint32_t namei; | |
8542 | for (namei = 0; namei < name_count; ++namei) | |
8543 | { | |
8544 | uint64_t string_offset, entry_offset; | |
8545 | ||
8546 | SAFE_BYTE_GET (string_offset, | |
8547 | name_table_string_offsets + namei * offset_size, | |
8548 | offset_size, unit_end); | |
8549 | SAFE_BYTE_GET (entry_offset, | |
8550 | name_table_entry_offsets + namei * offset_size, | |
8551 | offset_size, unit_end); | |
8552 | ||
8553 | printf ("[%3u] #%08x %s:", namei, hash_table_hashes[namei], | |
8554 | fetch_indirect_string (string_offset)); | |
8555 | ||
8556 | unsigned char *entryptr = entry_pool + entry_offset; | |
8557 | ||
8558 | // We need to scan first whether there is a single or multiple | |
8559 | // entries. TAGNO is -2 for the first entry, it is -1 for the | |
8560 | // initial tag read of the second entry, then it becomes 0 for the | |
8561 | // first entry for real printing etc. | |
8562 | int tagno = -2; | |
8563 | /* Initialize it due to a false compiler warning. */ | |
8564 | dwarf_vma second_abbrev_tag = -1; | |
8565 | for (;;) | |
8566 | { | |
8567 | unsigned int bytes_read; | |
8568 | const dwarf_vma abbrev_tag = read_uleb128 (entryptr, &bytes_read, | |
8569 | unit_end); | |
8570 | entryptr += bytes_read; | |
8571 | if (tagno == -1) | |
8572 | { | |
8573 | second_abbrev_tag = abbrev_tag; | |
8574 | tagno = 0; | |
8575 | entryptr = entry_pool + entry_offset; | |
8576 | continue; | |
8577 | } | |
8578 | if (abbrev_tag == 0) | |
8579 | break; | |
8580 | if (tagno >= 0) | |
8581 | printf ("%s<%lu>", | |
8582 | (tagno == 0 && second_abbrev_tag == 0 ? " " : "\n\t"), | |
8583 | (unsigned long) abbrev_tag); | |
8584 | ||
8585 | const struct abbrev_lookup_entry *entry; | |
8586 | for (entry = abbrev_lookup; | |
8587 | entry < abbrev_lookup + abbrev_lookup_used; | |
8588 | entry++) | |
8589 | if (entry->abbrev_tag == abbrev_tag) | |
8590 | break; | |
8591 | if (entry >= abbrev_lookup + abbrev_lookup_used) | |
8592 | { | |
8593 | warn (_("Undefined abbreviation tag %lu " | |
8594 | "in unit 0x%lx in the debug_names\n"), | |
8595 | (long) abbrev_tag, | |
8596 | (long) (unit_start - section->start)); | |
8597 | break; | |
8598 | } | |
8599 | abbrevptr = entry->abbrev_lookup_ptr; | |
8600 | const dwarf_vma dwarf_tag = read_uleb128 (abbrevptr, &bytes_read, | |
8601 | abbrev_table_end); | |
8602 | abbrevptr += bytes_read; | |
8603 | if (tagno >= 0) | |
8604 | printf (" %s", get_TAG_name (dwarf_tag)); | |
8605 | for (;;) | |
8606 | { | |
1d827a72 L |
8607 | const dwarf_vma xindex = read_uleb128 (abbrevptr, |
8608 | &bytes_read, | |
8609 | abbrev_table_end); | |
61364358 JK |
8610 | abbrevptr += bytes_read; |
8611 | const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read, | |
8612 | abbrev_table_end); | |
8613 | abbrevptr += bytes_read; | |
1d827a72 | 8614 | if (xindex == 0 && form == 0) |
61364358 JK |
8615 | break; |
8616 | ||
8617 | if (tagno >= 0) | |
1d827a72 | 8618 | printf (" %s", get_IDX_name (xindex)); |
61364358 JK |
8619 | entryptr = read_and_display_attr_value (0, form, 0, entryptr, |
8620 | unit_end, 0, 0, | |
8621 | offset_size, | |
8622 | dwarf_version, NULL, | |
8623 | (tagno < 0), NULL, | |
8624 | NULL, '='); | |
8625 | } | |
8626 | ++tagno; | |
8627 | } | |
8628 | if (tagno <= 0) | |
8629 | printf (_(" <no entries>")); | |
8630 | putchar ('\n'); | |
8631 | } | |
8632 | ||
8633 | free (abbrev_lookup); | |
8634 | } | |
8635 | ||
8636 | return 1; | |
8637 | } | |
8638 | ||
dda8d76d | 8639 | static int |
d85bf2ba NC |
8640 | display_debug_links (struct dwarf_section * section, |
8641 | void * file ATTRIBUTE_UNUSED) | |
dda8d76d NC |
8642 | { |
8643 | const unsigned char * filename; | |
8644 | unsigned int filelen; | |
8645 | ||
8646 | introduce (section, FALSE); | |
8647 | ||
8648 | /* The .gnu_debuglink section is formatted as: | |
8649 | (c-string) Filename. | |
8650 | (padding) If needed to reach a 4 byte boundary. | |
8651 | (uint32_t) CRC32 value. | |
8652 | ||
8653 | The .gun_debugaltlink section is formatted as: | |
8654 | (c-string) Filename. | |
8655 | (binary) Build-ID. */ | |
8656 | ||
8657 | filename = section->start; | |
8658 | filelen = strnlen ((const char *) filename, section->size); | |
8659 | if (filelen == section->size) | |
8660 | { | |
8661 | warn (_("The debuglink filename is corrupt/missing\n")); | |
8662 | return 0; | |
8663 | } | |
8664 | ||
8665 | printf (_(" Separate debug info file: %s\n"), filename); | |
8666 | ||
8667 | if (const_strneq (section->name, ".gnu_debuglink")) | |
8668 | { | |
8669 | unsigned int crc32; | |
8670 | unsigned int crc_offset; | |
8671 | ||
8672 | crc_offset = filelen + 1; | |
8673 | crc_offset = (crc_offset + 3) & ~3; | |
8674 | if (crc_offset + 4 > section->size) | |
8675 | { | |
8676 | warn (_("CRC offset missing/truncated\n")); | |
8677 | return 0; | |
8678 | } | |
8679 | ||
8680 | crc32 = byte_get (filename + crc_offset, 4); | |
8681 | ||
8682 | printf (_(" CRC value: %#x\n"), crc32); | |
8683 | ||
8684 | if (crc_offset + 4 < section->size) | |
8685 | { | |
8686 | warn (_("There are %#lx extraneous bytes at the end of the section\n"), | |
8687 | (long)(section->size - (crc_offset + 4))); | |
8688 | return 0; | |
8689 | } | |
8690 | } | |
8691 | else /* const_strneq (section->name, ".gnu_debugaltlink") */ | |
8692 | { | |
8693 | const unsigned char * build_id = section->start + filelen + 1; | |
8694 | bfd_size_type build_id_len = section->size - (filelen + 1); | |
8695 | bfd_size_type printed; | |
8696 | ||
8697 | /* FIXME: Should we support smaller build-id notes ? */ | |
8698 | if (build_id_len < 0x14) | |
8699 | { | |
8700 | warn (_("Build-ID is too short (%#lx bytes)\n"), (long) build_id_len); | |
8701 | return 0; | |
8702 | } | |
8703 | ||
8704 | printed = printf (_(" Build-ID (%#lx bytes):"), (long) build_id_len); | |
d85bf2ba | 8705 | display_data (printed, build_id, build_id_len); |
dda8d76d NC |
8706 | putchar ('\n'); |
8707 | } | |
8708 | ||
8709 | putchar ('\n'); | |
8710 | return 1; | |
8711 | } | |
8712 | ||
5bbdf3d5 DE |
8713 | static int |
8714 | display_gdb_index (struct dwarf_section *section, | |
8715 | void *file ATTRIBUTE_UNUSED) | |
8716 | { | |
8717 | unsigned char *start = section->start; | |
8718 | uint32_t version; | |
8719 | uint32_t cu_list_offset, tu_list_offset; | |
8720 | uint32_t address_table_offset, symbol_table_offset, constant_pool_offset; | |
8721 | unsigned int cu_list_elements, tu_list_elements; | |
8722 | unsigned int address_table_size, symbol_table_slots; | |
8723 | unsigned char *cu_list, *tu_list; | |
8724 | unsigned char *address_table, *symbol_table, *constant_pool; | |
8725 | unsigned int i; | |
8726 | ||
8727 | /* The documentation for the format of this file is in gdb/dwarf2read.c. */ | |
8728 | ||
dda8d76d | 8729 | introduce (section, FALSE); |
5bbdf3d5 DE |
8730 | |
8731 | if (section->size < 6 * sizeof (uint32_t)) | |
8732 | { | |
8733 | warn (_("Truncated header in the %s section.\n"), section->name); | |
8734 | return 0; | |
8735 | } | |
8736 | ||
8737 | version = byte_get_little_endian (start, 4); | |
da88a764 | 8738 | printf (_("Version %ld\n"), (long) version); |
5bbdf3d5 DE |
8739 | |
8740 | /* Prior versions are obsolete, and future versions may not be | |
8741 | backwards compatible. */ | |
aa170720 | 8742 | if (version < 3 || version > 8) |
5bbdf3d5 | 8743 | { |
da88a764 | 8744 | warn (_("Unsupported version %lu.\n"), (unsigned long) version); |
5bbdf3d5 DE |
8745 | return 0; |
8746 | } | |
8d6eee87 TT |
8747 | if (version < 4) |
8748 | warn (_("The address table data in version 3 may be wrong.\n")); | |
8749 | if (version < 5) | |
8750 | warn (_("Version 4 does not support case insensitive lookups.\n")); | |
8751 | if (version < 6) | |
8752 | warn (_("Version 5 does not include inlined functions.\n")); | |
8753 | if (version < 7) | |
8754 | warn (_("Version 6 does not include symbol attributes.\n")); | |
aa170720 DE |
8755 | /* Version 7 indices generated by Gold have bad type unit references, |
8756 | PR binutils/15021. But we don't know if the index was generated by | |
8757 | Gold or not, so to avoid worrying users with gdb-generated indices | |
8758 | we say nothing for version 7 here. */ | |
5bbdf3d5 DE |
8759 | |
8760 | cu_list_offset = byte_get_little_endian (start + 4, 4); | |
8761 | tu_list_offset = byte_get_little_endian (start + 8, 4); | |
8762 | address_table_offset = byte_get_little_endian (start + 12, 4); | |
8763 | symbol_table_offset = byte_get_little_endian (start + 16, 4); | |
8764 | constant_pool_offset = byte_get_little_endian (start + 20, 4); | |
8765 | ||
8766 | if (cu_list_offset > section->size | |
8767 | || tu_list_offset > section->size | |
8768 | || address_table_offset > section->size | |
8769 | || symbol_table_offset > section->size | |
8770 | || constant_pool_offset > section->size) | |
8771 | { | |
8772 | warn (_("Corrupt header in the %s section.\n"), section->name); | |
8773 | return 0; | |
8774 | } | |
8775 | ||
53774b7e NC |
8776 | /* PR 17531: file: 418d0a8a. */ |
8777 | if (tu_list_offset < cu_list_offset) | |
8778 | { | |
8779 | warn (_("TU offset (%x) is less than CU offset (%x)\n"), | |
8780 | tu_list_offset, cu_list_offset); | |
8781 | return 0; | |
8782 | } | |
8783 | ||
5bbdf3d5 | 8784 | cu_list_elements = (tu_list_offset - cu_list_offset) / 8; |
53774b7e NC |
8785 | |
8786 | if (address_table_offset < tu_list_offset) | |
8787 | { | |
8788 | warn (_("Address table offset (%x) is less than TU offset (%x)\n"), | |
8789 | address_table_offset, tu_list_offset); | |
8790 | return 0; | |
8791 | } | |
8792 | ||
5bbdf3d5 | 8793 | tu_list_elements = (address_table_offset - tu_list_offset) / 8; |
53774b7e NC |
8794 | |
8795 | /* PR 17531: file: 18a47d3d. */ | |
8796 | if (symbol_table_offset < address_table_offset) | |
8797 | { | |
13bace4a | 8798 | warn (_("Symbol table offset (%x) is less then Address table offset (%x)\n"), |
53774b7e NC |
8799 | symbol_table_offset, address_table_offset); |
8800 | return 0; | |
8801 | } | |
8802 | ||
5bbdf3d5 | 8803 | address_table_size = symbol_table_offset - address_table_offset; |
53774b7e NC |
8804 | |
8805 | if (constant_pool_offset < symbol_table_offset) | |
8806 | { | |
8807 | warn (_("Constant pool offset (%x) is less than symbol table offset (%x)\n"), | |
8808 | constant_pool_offset, symbol_table_offset); | |
8809 | return 0; | |
8810 | } | |
8811 | ||
5bbdf3d5 DE |
8812 | symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8; |
8813 | ||
8814 | cu_list = start + cu_list_offset; | |
8815 | tu_list = start + tu_list_offset; | |
8816 | address_table = start + address_table_offset; | |
8817 | symbol_table = start + symbol_table_offset; | |
8818 | constant_pool = start + constant_pool_offset; | |
8819 | ||
28d909e5 | 8820 | if (address_table + address_table_size > section->start + section->size) |
acff9664 | 8821 | { |
1306a742 | 8822 | warn (_("Address table extends beyond end of section.\n")); |
acff9664 NC |
8823 | return 0; |
8824 | } | |
b4eb7656 | 8825 | |
5bbdf3d5 DE |
8826 | printf (_("\nCU table:\n")); |
8827 | for (i = 0; i < cu_list_elements; i += 2) | |
8828 | { | |
8829 | uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8); | |
8830 | uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8); | |
8831 | ||
8832 | printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2, | |
8833 | (unsigned long) cu_offset, | |
8834 | (unsigned long) (cu_offset + cu_length - 1)); | |
8835 | } | |
8836 | ||
8837 | printf (_("\nTU table:\n")); | |
8838 | for (i = 0; i < tu_list_elements; i += 3) | |
8839 | { | |
8840 | uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8); | |
8841 | uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8); | |
8842 | uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8); | |
8843 | ||
8844 | printf (_("[%3u] 0x%lx 0x%lx "), i / 3, | |
8845 | (unsigned long) tu_offset, | |
8846 | (unsigned long) type_offset); | |
8847 | print_dwarf_vma (signature, 8); | |
8848 | printf ("\n"); | |
8849 | } | |
8850 | ||
8851 | printf (_("\nAddress table:\n")); | |
acff9664 NC |
8852 | for (i = 0; i < address_table_size && i <= address_table_size - (2 * 8 + 4); |
8853 | i += 2 * 8 + 4) | |
5bbdf3d5 DE |
8854 | { |
8855 | uint64_t low = byte_get_little_endian (address_table + i, 8); | |
8856 | uint64_t high = byte_get_little_endian (address_table + i + 8, 8); | |
8857 | uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4); | |
8858 | ||
8859 | print_dwarf_vma (low, 8); | |
8860 | print_dwarf_vma (high, 8); | |
da88a764 | 8861 | printf (_("%lu\n"), (unsigned long) cu_index); |
5bbdf3d5 DE |
8862 | } |
8863 | ||
8864 | printf (_("\nSymbol table:\n")); | |
8865 | for (i = 0; i < symbol_table_slots; ++i) | |
8866 | { | |
8867 | uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4); | |
8868 | uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4); | |
8869 | uint32_t num_cus, cu; | |
8870 | ||
8871 | if (name_offset != 0 | |
8872 | || cu_vector_offset != 0) | |
8873 | { | |
8874 | unsigned int j; | |
362beea4 | 8875 | unsigned char * adr; |
5bbdf3d5 | 8876 | |
362beea4 | 8877 | adr = constant_pool + name_offset; |
53774b7e | 8878 | /* PR 17531: file: 5b7b07ad. */ |
362beea4 | 8879 | if (adr < constant_pool || adr >= section->start + section->size) |
53774b7e NC |
8880 | { |
8881 | printf (_("[%3u] <corrupt offset: %x>"), i, name_offset); | |
8882 | warn (_("Corrupt name offset of 0x%x found for symbol table slot %d\n"), | |
8883 | name_offset, i); | |
8884 | } | |
8885 | else | |
acff9664 NC |
8886 | printf ("[%3u] %.*s:", i, |
8887 | (int) (section->size - (constant_pool_offset + name_offset)), | |
8888 | constant_pool + name_offset); | |
53774b7e | 8889 | |
362beea4 NC |
8890 | adr = constant_pool + cu_vector_offset; |
8891 | if (adr < constant_pool || adr >= section->start + section->size - 3) | |
53774b7e NC |
8892 | { |
8893 | printf (_("<invalid CU vector offset: %x>\n"), cu_vector_offset); | |
8894 | warn (_("Corrupt CU vector offset of 0x%x found for symbol table slot %d\n"), | |
8895 | cu_vector_offset, i); | |
8896 | continue; | |
8897 | } | |
57028622 | 8898 | |
362beea4 | 8899 | num_cus = byte_get_little_endian (adr, 4); |
53774b7e | 8900 | |
362beea4 | 8901 | adr = constant_pool + cu_vector_offset + 4 + num_cus * 4; |
acff9664 | 8902 | if (num_cus * 4 < num_cus |
362beea4 NC |
8903 | || adr >= section->start + section->size |
8904 | || adr < constant_pool) | |
53774b7e NC |
8905 | { |
8906 | printf ("<invalid number of CUs: %d>\n", num_cus); | |
acff9664 | 8907 | warn (_("Invalid number of CUs (0x%x) for symbol table slot %d\n"), |
53774b7e NC |
8908 | num_cus, i); |
8909 | continue; | |
8910 | } | |
8911 | ||
8d6eee87 TT |
8912 | if (num_cus > 1) |
8913 | printf ("\n"); | |
f3853b34 | 8914 | |
5bbdf3d5 DE |
8915 | for (j = 0; j < num_cus; ++j) |
8916 | { | |
7c1cef97 | 8917 | int is_static; |
8d6eee87 TT |
8918 | gdb_index_symbol_kind kind; |
8919 | ||
5bbdf3d5 | 8920 | cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4); |
7c1cef97 | 8921 | is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu); |
8d6eee87 TT |
8922 | kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu); |
8923 | cu = GDB_INDEX_CU_VALUE (cu); | |
5bbdf3d5 | 8924 | /* Convert to TU number if it's for a type unit. */ |
ad6b52dd | 8925 | if (cu >= cu_list_elements / 2) |
8d6eee87 TT |
8926 | printf ("%cT%lu", num_cus > 1 ? '\t' : ' ', |
8927 | (unsigned long) (cu - cu_list_elements / 2)); | |
5bbdf3d5 | 8928 | else |
8d6eee87 TT |
8929 | printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu); |
8930 | ||
459d52c8 DE |
8931 | printf (" [%s, %s]", |
8932 | is_static ? _("static") : _("global"), | |
8933 | get_gdb_index_symbol_kind_name (kind)); | |
8d6eee87 TT |
8934 | if (num_cus > 1) |
8935 | printf ("\n"); | |
5bbdf3d5 | 8936 | } |
8d6eee87 TT |
8937 | if (num_cus <= 1) |
8938 | printf ("\n"); | |
5bbdf3d5 DE |
8939 | } |
8940 | } | |
8941 | ||
8942 | return 1; | |
8943 | } | |
8944 | ||
657d0d47 CC |
8945 | /* Pre-allocate enough space for the CU/TU sets needed. */ |
8946 | ||
8947 | static void | |
8948 | prealloc_cu_tu_list (unsigned int nshndx) | |
8949 | { | |
8950 | if (shndx_pool == NULL) | |
8951 | { | |
8952 | shndx_pool_size = nshndx; | |
8953 | shndx_pool_used = 0; | |
8954 | shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size, | |
8955 | sizeof (unsigned int)); | |
8956 | } | |
8957 | else | |
8958 | { | |
8959 | shndx_pool_size = shndx_pool_used + nshndx; | |
8960 | shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size, | |
8961 | sizeof (unsigned int)); | |
8962 | } | |
8963 | } | |
8964 | ||
8965 | static void | |
8966 | add_shndx_to_cu_tu_entry (unsigned int shndx) | |
8967 | { | |
8968 | if (shndx_pool_used >= shndx_pool_size) | |
8969 | { | |
8970 | error (_("Internal error: out of space in the shndx pool.\n")); | |
8971 | return; | |
8972 | } | |
8973 | shndx_pool [shndx_pool_used++] = shndx; | |
8974 | } | |
8975 | ||
8976 | static void | |
8977 | end_cu_tu_entry (void) | |
8978 | { | |
8979 | if (shndx_pool_used >= shndx_pool_size) | |
8980 | { | |
8981 | error (_("Internal error: out of space in the shndx pool.\n")); | |
8982 | return; | |
8983 | } | |
8984 | shndx_pool [shndx_pool_used++] = 0; | |
8985 | } | |
8986 | ||
341f9135 CC |
8987 | /* Return the short name of a DWARF section given by a DW_SECT enumerator. */ |
8988 | ||
8989 | static const char * | |
8990 | get_DW_SECT_short_name (unsigned int dw_sect) | |
8991 | { | |
8992 | static char buf[16]; | |
8993 | ||
8994 | switch (dw_sect) | |
8995 | { | |
8996 | case DW_SECT_INFO: | |
8997 | return "info"; | |
8998 | case DW_SECT_TYPES: | |
8999 | return "types"; | |
9000 | case DW_SECT_ABBREV: | |
9001 | return "abbrev"; | |
9002 | case DW_SECT_LINE: | |
9003 | return "line"; | |
9004 | case DW_SECT_LOC: | |
9005 | return "loc"; | |
9006 | case DW_SECT_STR_OFFSETS: | |
9007 | return "str_off"; | |
9008 | case DW_SECT_MACINFO: | |
9009 | return "macinfo"; | |
9010 | case DW_SECT_MACRO: | |
9011 | return "macro"; | |
9012 | default: | |
b4eb7656 | 9013 | break; |
341f9135 CC |
9014 | } |
9015 | ||
9016 | snprintf (buf, sizeof (buf), "%d", dw_sect); | |
9017 | return buf; | |
9018 | } | |
9019 | ||
9020 | /* Process a CU or TU index. If DO_DISPLAY is true, print the contents. | |
9021 | These sections are extensions for Fission. | |
9022 | See http://gcc.gnu.org/wiki/DebugFissionDWP. */ | |
657d0d47 CC |
9023 | |
9024 | static int | |
9025 | process_cu_tu_index (struct dwarf_section *section, int do_display) | |
9026 | { | |
9027 | unsigned char *phdr = section->start; | |
9028 | unsigned char *limit = phdr + section->size; | |
9029 | unsigned char *phash; | |
9030 | unsigned char *pindex; | |
9031 | unsigned char *ppool; | |
9032 | unsigned int version; | |
341f9135 | 9033 | unsigned int ncols = 0; |
657d0d47 CC |
9034 | unsigned int nused; |
9035 | unsigned int nslots; | |
9036 | unsigned int i; | |
341f9135 CC |
9037 | unsigned int j; |
9038 | dwarf_vma signature_high; | |
9039 | dwarf_vma signature_low; | |
9040 | char buf[64]; | |
657d0d47 | 9041 | |
6937bb54 NC |
9042 | /* PR 17512: file: 002-168123-0.004. */ |
9043 | if (phdr == NULL) | |
9044 | { | |
9045 | warn (_("Section %s is empty\n"), section->name); | |
9046 | return 0; | |
9047 | } | |
9048 | /* PR 17512: file: 002-376-0.004. */ | |
9049 | if (section->size < 24) | |
9050 | { | |
72c61a0d | 9051 | warn (_("Section %s is too small to contain a CU/TU header\n"), |
6937bb54 NC |
9052 | section->name); |
9053 | return 0; | |
9054 | } | |
9055 | ||
9056 | SAFE_BYTE_GET (version, phdr, 4, limit); | |
341f9135 | 9057 | if (version >= 2) |
6937bb54 NC |
9058 | SAFE_BYTE_GET (ncols, phdr + 4, 4, limit); |
9059 | SAFE_BYTE_GET (nused, phdr + 8, 4, limit); | |
9060 | SAFE_BYTE_GET (nslots, phdr + 12, 4, limit); | |
9061 | ||
657d0d47 CC |
9062 | phash = phdr + 16; |
9063 | pindex = phash + nslots * 8; | |
9064 | ppool = pindex + nslots * 4; | |
9065 | ||
57028622 | 9066 | /* PR 17531: file: 45d69832. */ |
03a91817 | 9067 | if (pindex < phash || ppool < phdr || (pindex == phash && nslots != 0)) |
57028622 | 9068 | { |
d3a49aa8 AM |
9069 | warn (ngettext ("Section %s is too small for %d slot\n", |
9070 | "Section %s is too small for %d slots\n", | |
9071 | nslots), | |
57028622 NC |
9072 | section->name, nslots); |
9073 | return 0; | |
9074 | } | |
9075 | ||
657d0d47 CC |
9076 | if (do_display) |
9077 | { | |
dda8d76d NC |
9078 | introduce (section, FALSE); |
9079 | ||
657d0d47 | 9080 | printf (_(" Version: %d\n"), version); |
341f9135 CC |
9081 | if (version >= 2) |
9082 | printf (_(" Number of columns: %d\n"), ncols); | |
657d0d47 CC |
9083 | printf (_(" Number of used entries: %d\n"), nused); |
9084 | printf (_(" Number of slots: %d\n\n"), nslots); | |
9085 | } | |
9086 | ||
03a91817 | 9087 | if (ppool > limit || ppool < phdr) |
657d0d47 CC |
9088 | { |
9089 | warn (_("Section %s too small for %d hash table entries\n"), | |
9090 | section->name, nslots); | |
9091 | return 0; | |
9092 | } | |
9093 | ||
341f9135 | 9094 | if (version == 1) |
657d0d47 | 9095 | { |
341f9135 CC |
9096 | if (!do_display) |
9097 | prealloc_cu_tu_list ((limit - ppool) / 4); | |
9098 | for (i = 0; i < nslots; i++) | |
657d0d47 | 9099 | { |
341f9135 CC |
9100 | unsigned char *shndx_list; |
9101 | unsigned int shndx; | |
9102 | ||
6937bb54 | 9103 | SAFE_BYTE_GET64 (phash, &signature_high, &signature_low, limit); |
341f9135 | 9104 | if (signature_high != 0 || signature_low != 0) |
657d0d47 | 9105 | { |
6937bb54 | 9106 | SAFE_BYTE_GET (j, pindex, 4, limit); |
341f9135 | 9107 | shndx_list = ppool + j * 4; |
f3853b34 NC |
9108 | /* PR 17531: file: 705e010d. */ |
9109 | if (shndx_list < ppool) | |
9110 | { | |
9111 | warn (_("Section index pool located before start of section\n")); | |
9112 | return 0; | |
9113 | } | |
9114 | ||
341f9135 CC |
9115 | if (do_display) |
9116 | printf (_(" [%3d] Signature: 0x%s Sections: "), | |
9117 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
9118 | buf, sizeof (buf))); | |
9119 | for (;;) | |
657d0d47 | 9120 | { |
341f9135 CC |
9121 | if (shndx_list >= limit) |
9122 | { | |
9123 | warn (_("Section %s too small for shndx pool\n"), | |
9124 | section->name); | |
9125 | return 0; | |
9126 | } | |
6937bb54 | 9127 | SAFE_BYTE_GET (shndx, shndx_list, 4, limit); |
341f9135 CC |
9128 | if (shndx == 0) |
9129 | break; | |
9130 | if (do_display) | |
9131 | printf (" %d", shndx); | |
9132 | else | |
9133 | add_shndx_to_cu_tu_entry (shndx); | |
9134 | shndx_list += 4; | |
657d0d47 | 9135 | } |
657d0d47 | 9136 | if (do_display) |
341f9135 | 9137 | printf ("\n"); |
657d0d47 | 9138 | else |
341f9135 CC |
9139 | end_cu_tu_entry (); |
9140 | } | |
9141 | phash += 8; | |
9142 | pindex += 4; | |
9143 | } | |
9144 | } | |
9145 | else if (version == 2) | |
9146 | { | |
9147 | unsigned int val; | |
9148 | unsigned int dw_sect; | |
9149 | unsigned char *ph = phash; | |
9150 | unsigned char *pi = pindex; | |
9151 | unsigned char *poffsets = ppool + ncols * 4; | |
9152 | unsigned char *psizes = poffsets + nused * ncols * 4; | |
9153 | unsigned char *pend = psizes + nused * ncols * 4; | |
9154 | bfd_boolean is_tu_index; | |
9155 | struct cu_tu_set *this_set = NULL; | |
9156 | unsigned int row; | |
9157 | unsigned char *prow; | |
9158 | ||
9159 | is_tu_index = strcmp (section->name, ".debug_tu_index") == 0; | |
9160 | ||
362beea4 | 9161 | /* PR 17531: file: 0dd159bf. |
b4eb7656 | 9162 | Check for wraparound with an overlarge ncols value. */ |
c8071705 | 9163 | if (poffsets < ppool || (unsigned int) ((poffsets - ppool) / 4) != ncols) |
362beea4 NC |
9164 | { |
9165 | warn (_("Overlarge number of columns: %x\n"), ncols); | |
9166 | return 0; | |
9167 | } | |
9168 | ||
341f9135 CC |
9169 | if (pend > limit) |
9170 | { | |
9171 | warn (_("Section %s too small for offset and size tables\n"), | |
9172 | section->name); | |
9173 | return 0; | |
9174 | } | |
9175 | ||
9176 | if (do_display) | |
9177 | { | |
9178 | printf (_(" Offset table\n")); | |
9179 | printf (" slot %-16s ", | |
9180 | is_tu_index ? _("signature") : _("dwo_id")); | |
9181 | } | |
9182 | else | |
9183 | { | |
9184 | if (is_tu_index) | |
9185 | { | |
9186 | tu_count = nused; | |
72c61a0d | 9187 | tu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set)); |
341f9135 | 9188 | this_set = tu_sets; |
657d0d47 | 9189 | } |
657d0d47 | 9190 | else |
341f9135 CC |
9191 | { |
9192 | cu_count = nused; | |
72c61a0d | 9193 | cu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set)); |
341f9135 CC |
9194 | this_set = cu_sets; |
9195 | } | |
9196 | } | |
6937bb54 | 9197 | |
341f9135 CC |
9198 | if (do_display) |
9199 | { | |
9200 | for (j = 0; j < ncols; j++) | |
9201 | { | |
6937bb54 | 9202 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
341f9135 CC |
9203 | printf (" %8s", get_DW_SECT_short_name (dw_sect)); |
9204 | } | |
9205 | printf ("\n"); | |
9206 | } | |
6937bb54 | 9207 | |
341f9135 CC |
9208 | for (i = 0; i < nslots; i++) |
9209 | { | |
6937bb54 NC |
9210 | SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit); |
9211 | ||
9212 | SAFE_BYTE_GET (row, pi, 4, limit); | |
341f9135 CC |
9213 | if (row != 0) |
9214 | { | |
591f7597 | 9215 | /* PR 17531: file: a05f6ab3. */ |
ef77750e | 9216 | if (row > nused) |
591f7597 NC |
9217 | { |
9218 | warn (_("Row index (%u) is larger than number of used entries (%u)\n"), | |
9219 | row, nused); | |
9220 | return 0; | |
9221 | } | |
9222 | ||
341f9135 CC |
9223 | if (!do_display) |
9224 | memcpy (&this_set[row - 1].signature, ph, sizeof (uint64_t)); | |
6937bb54 | 9225 | |
341f9135 | 9226 | prow = poffsets + (row - 1) * ncols * 4; |
ffc0f143 NC |
9227 | /* PR 17531: file: b8ce60a8. */ |
9228 | if (prow < poffsets || prow > limit) | |
9229 | { | |
9230 | warn (_("Row index (%u) * num columns (%u) > space remaining in section\n"), | |
9231 | row, ncols); | |
9232 | return 0; | |
9233 | } | |
3aade688 | 9234 | |
341f9135 CC |
9235 | if (do_display) |
9236 | printf (_(" [%3d] 0x%s"), | |
9237 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
9238 | buf, sizeof (buf))); | |
9239 | for (j = 0; j < ncols; j++) | |
9240 | { | |
6937bb54 | 9241 | SAFE_BYTE_GET (val, prow + j * 4, 4, limit); |
341f9135 CC |
9242 | if (do_display) |
9243 | printf (" %8d", val); | |
9244 | else | |
9245 | { | |
6937bb54 | 9246 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
82b1b41b NC |
9247 | |
9248 | /* PR 17531: file: 10796eb3. */ | |
9249 | if (dw_sect >= DW_SECT_MAX) | |
9250 | warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect); | |
9251 | else | |
9252 | this_set [row - 1].section_offsets [dw_sect] = val; | |
341f9135 CC |
9253 | } |
9254 | } | |
6937bb54 | 9255 | |
341f9135 CC |
9256 | if (do_display) |
9257 | printf ("\n"); | |
9258 | } | |
9259 | ph += 8; | |
9260 | pi += 4; | |
9261 | } | |
9262 | ||
9263 | ph = phash; | |
9264 | pi = pindex; | |
9265 | if (do_display) | |
b4eb7656 | 9266 | { |
341f9135 CC |
9267 | printf ("\n"); |
9268 | printf (_(" Size table\n")); | |
9269 | printf (" slot %-16s ", | |
9270 | is_tu_index ? _("signature") : _("dwo_id")); | |
b4eb7656 | 9271 | } |
6937bb54 | 9272 | |
341f9135 CC |
9273 | for (j = 0; j < ncols; j++) |
9274 | { | |
6937bb54 | 9275 | SAFE_BYTE_GET (val, ppool + j * 4, 4, limit); |
341f9135 CC |
9276 | if (do_display) |
9277 | printf (" %8s", get_DW_SECT_short_name (val)); | |
9278 | } | |
6937bb54 | 9279 | |
341f9135 CC |
9280 | if (do_display) |
9281 | printf ("\n"); | |
6937bb54 | 9282 | |
341f9135 CC |
9283 | for (i = 0; i < nslots; i++) |
9284 | { | |
6937bb54 NC |
9285 | SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit); |
9286 | ||
9287 | SAFE_BYTE_GET (row, pi, 4, limit); | |
341f9135 CC |
9288 | if (row != 0) |
9289 | { | |
9290 | prow = psizes + (row - 1) * ncols * 4; | |
6937bb54 | 9291 | |
341f9135 CC |
9292 | if (do_display) |
9293 | printf (_(" [%3d] 0x%s"), | |
9294 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
9295 | buf, sizeof (buf))); | |
6937bb54 | 9296 | |
341f9135 CC |
9297 | for (j = 0; j < ncols; j++) |
9298 | { | |
6937bb54 | 9299 | SAFE_BYTE_GET (val, prow + j * 4, 4, limit); |
341f9135 CC |
9300 | if (do_display) |
9301 | printf (" %8d", val); | |
9302 | else | |
9303 | { | |
6937bb54 | 9304 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
82b1b41b NC |
9305 | if (dw_sect >= DW_SECT_MAX) |
9306 | warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect); | |
9307 | else | |
341f9135 CC |
9308 | this_set [row - 1].section_sizes [dw_sect] = val; |
9309 | } | |
9310 | } | |
6937bb54 | 9311 | |
341f9135 CC |
9312 | if (do_display) |
9313 | printf ("\n"); | |
9314 | } | |
6937bb54 | 9315 | |
341f9135 CC |
9316 | ph += 8; |
9317 | pi += 4; | |
657d0d47 | 9318 | } |
657d0d47 | 9319 | } |
341f9135 | 9320 | else if (do_display) |
6937bb54 | 9321 | printf (_(" Unsupported version (%d)\n"), version); |
657d0d47 CC |
9322 | |
9323 | if (do_display) | |
9324 | printf ("\n"); | |
9325 | ||
9326 | return 1; | |
9327 | } | |
9328 | ||
9329 | /* Load the CU and TU indexes if present. This will build a list of | |
9330 | section sets that we can use to associate a .debug_info.dwo section | |
9331 | with its associated .debug_abbrev.dwo section in a .dwp file. */ | |
9332 | ||
43a444f9 | 9333 | static bfd_boolean |
657d0d47 CC |
9334 | load_cu_tu_indexes (void *file) |
9335 | { | |
43a444f9 NC |
9336 | static int cu_tu_indexes_read = -1; /* Tri-state variable. */ |
9337 | ||
657d0d47 CC |
9338 | /* If we have already loaded (or tried to load) the CU and TU indexes |
9339 | then do not bother to repeat the task. */ | |
43a444f9 NC |
9340 | if (cu_tu_indexes_read == -1) |
9341 | { | |
9342 | cu_tu_indexes_read = TRUE; | |
9343 | ||
dda8d76d | 9344 | if (load_debug_section_with_follow (dwp_cu_index, file)) |
43a444f9 NC |
9345 | if (! process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0)) |
9346 | cu_tu_indexes_read = FALSE; | |
9347 | ||
dda8d76d | 9348 | if (load_debug_section_with_follow (dwp_tu_index, file)) |
43a444f9 NC |
9349 | if (! process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0)) |
9350 | cu_tu_indexes_read = FALSE; | |
9351 | } | |
657d0d47 | 9352 | |
43a444f9 | 9353 | return (bfd_boolean) cu_tu_indexes_read; |
657d0d47 CC |
9354 | } |
9355 | ||
9356 | /* Find the set of sections that includes section SHNDX. */ | |
9357 | ||
9358 | unsigned int * | |
9359 | find_cu_tu_set (void *file, unsigned int shndx) | |
9360 | { | |
9361 | unsigned int i; | |
9362 | ||
43a444f9 NC |
9363 | if (! load_cu_tu_indexes (file)) |
9364 | return NULL; | |
657d0d47 CC |
9365 | |
9366 | /* Find SHNDX in the shndx pool. */ | |
9367 | for (i = 0; i < shndx_pool_used; i++) | |
9368 | if (shndx_pool [i] == shndx) | |
9369 | break; | |
9370 | ||
9371 | if (i >= shndx_pool_used) | |
9372 | return NULL; | |
9373 | ||
9374 | /* Now backup to find the first entry in the set. */ | |
9375 | while (i > 0 && shndx_pool [i - 1] != 0) | |
9376 | i--; | |
9377 | ||
9378 | return shndx_pool + i; | |
9379 | } | |
9380 | ||
9381 | /* Display a .debug_cu_index or .debug_tu_index section. */ | |
9382 | ||
9383 | static int | |
9384 | display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED) | |
9385 | { | |
9386 | return process_cu_tu_index (section, 1); | |
9387 | } | |
9388 | ||
19e6b90e L |
9389 | static int |
9390 | display_debug_not_supported (struct dwarf_section *section, | |
9391 | void *file ATTRIBUTE_UNUSED) | |
9392 | { | |
9393 | printf (_("Displaying the debug contents of section %s is not yet supported.\n"), | |
9394 | section->name); | |
9395 | ||
9396 | return 1; | |
9397 | } | |
9398 | ||
1306a742 NC |
9399 | /* Like malloc, but takes two parameters like calloc. |
9400 | Verifies that the first parameter is not too large. | |
82b1b41b | 9401 | Note: does *not* initialise the allocated memory to zero. */ |
dda8d76d | 9402 | |
19e6b90e L |
9403 | void * |
9404 | cmalloc (size_t nmemb, size_t size) | |
9405 | { | |
9406 | /* Check for overflow. */ | |
9407 | if (nmemb >= ~(size_t) 0 / size) | |
9408 | return NULL; | |
82b1b41b NC |
9409 | |
9410 | return xmalloc (nmemb * size); | |
19e6b90e L |
9411 | } |
9412 | ||
1306a742 NC |
9413 | /* Like xmalloc, but takes two parameters like calloc. |
9414 | Verifies that the first parameter is not too large. | |
9415 | Note: does *not* initialise the allocated memory to zero. */ | |
dda8d76d | 9416 | |
72c61a0d | 9417 | void * |
1306a742 | 9418 | xcmalloc (size_t nmemb, size_t size) |
72c61a0d NC |
9419 | { |
9420 | /* Check for overflow. */ | |
9421 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 NC |
9422 | { |
9423 | fprintf (stderr, | |
9424 | _("Attempt to allocate an array with an excessive number of elements: 0x%lx\n"), | |
9425 | (long) nmemb); | |
9426 | xexit (1); | |
9427 | } | |
72c61a0d | 9428 | |
1306a742 | 9429 | return xmalloc (nmemb * size); |
72c61a0d NC |
9430 | } |
9431 | ||
1306a742 NC |
9432 | /* Like xrealloc, but takes three parameters. |
9433 | Verifies that the second parameter is not too large. | |
9434 | Note: does *not* initialise any new memory to zero. */ | |
dda8d76d | 9435 | |
19e6b90e | 9436 | void * |
1306a742 | 9437 | xcrealloc (void *ptr, size_t nmemb, size_t size) |
19e6b90e L |
9438 | { |
9439 | /* Check for overflow. */ | |
9440 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 | 9441 | { |
dda8d76d NC |
9442 | error (_("Attempt to re-allocate an array with an excessive number of elements: 0x%lx\n"), |
9443 | (long) nmemb); | |
8490fb40 NC |
9444 | xexit (1); |
9445 | } | |
82b1b41b | 9446 | |
1306a742 | 9447 | return xrealloc (ptr, nmemb * size); |
19e6b90e L |
9448 | } |
9449 | ||
1306a742 | 9450 | /* Like xcalloc, but verifies that the first parameter is not too large. */ |
dda8d76d | 9451 | |
19e6b90e | 9452 | void * |
1306a742 | 9453 | xcalloc2 (size_t nmemb, size_t size) |
19e6b90e L |
9454 | { |
9455 | /* Check for overflow. */ | |
9456 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 | 9457 | { |
dda8d76d NC |
9458 | error (_("Attempt to allocate a zero'ed array with an excessive number of elements: 0x%lx\n"), |
9459 | (long) nmemb); | |
8490fb40 NC |
9460 | xexit (1); |
9461 | } | |
82b1b41b | 9462 | |
1306a742 | 9463 | return xcalloc (nmemb, size); |
19e6b90e L |
9464 | } |
9465 | ||
dda8d76d NC |
9466 | static unsigned long |
9467 | calc_gnu_debuglink_crc32 (unsigned long crc, | |
9468 | const unsigned char * buf, | |
9469 | bfd_size_type len) | |
9470 | { | |
9471 | static const unsigned long crc32_table[256] = | |
9472 | { | |
9473 | 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, | |
9474 | 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, | |
9475 | 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, | |
9476 | 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, | |
9477 | 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, | |
9478 | 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, | |
9479 | 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, | |
9480 | 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, | |
9481 | 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, | |
9482 | 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, | |
9483 | 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, | |
9484 | 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, | |
9485 | 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, | |
9486 | 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, | |
9487 | 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, | |
9488 | 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, | |
9489 | 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, | |
9490 | 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, | |
9491 | 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, | |
9492 | 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, | |
9493 | 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, | |
9494 | 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, | |
9495 | 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, | |
9496 | 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, | |
9497 | 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, | |
9498 | 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, | |
9499 | 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, | |
9500 | 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, | |
9501 | 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, | |
9502 | 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, | |
9503 | 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, | |
9504 | 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, | |
9505 | 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, | |
9506 | 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, | |
9507 | 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, | |
9508 | 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, | |
9509 | 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, | |
9510 | 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, | |
9511 | 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, | |
9512 | 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, | |
9513 | 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, | |
9514 | 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, | |
9515 | 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, | |
9516 | 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, | |
9517 | 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, | |
9518 | 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, | |
9519 | 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, | |
9520 | 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, | |
9521 | 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, | |
9522 | 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, | |
9523 | 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, | |
9524 | 0x2d02ef8d | |
9525 | }; | |
9526 | const unsigned char *end; | |
9527 | ||
9528 | crc = ~crc & 0xffffffff; | |
9529 | for (end = buf + len; buf < end; ++ buf) | |
9530 | crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8); | |
9531 | return ~crc & 0xffffffff; | |
9532 | } | |
9533 | ||
9534 | typedef bfd_boolean (* check_func_type) (const char *, void *); | |
9535 | typedef const char * (* parse_func_type) (struct dwarf_section *, void *); | |
9536 | ||
9537 | static bfd_boolean | |
9538 | check_gnu_debuglink (const char * pathname, void * crc_pointer) | |
9539 | { | |
9540 | static unsigned char buffer [8 * 1024]; | |
9541 | FILE * f; | |
9542 | bfd_size_type count; | |
9543 | unsigned long crc = 0; | |
9544 | void * sep_data; | |
9545 | ||
9546 | sep_data = open_debug_file (pathname); | |
9547 | if (sep_data == NULL) | |
9548 | return FALSE; | |
9549 | ||
9550 | /* Yes - we are opening the file twice... */ | |
9551 | f = fopen (pathname, "rb"); | |
9552 | if (f == NULL) | |
9553 | { | |
9554 | /* Paranoia: This should never happen. */ | |
9555 | close_debug_file (sep_data); | |
9556 | warn (_("Unable to reopen separate debug info file: %s\n"), pathname); | |
9557 | return FALSE; | |
9558 | } | |
9559 | ||
9560 | while ((count = fread (buffer, 1, sizeof (buffer), f)) > 0) | |
9561 | crc = calc_gnu_debuglink_crc32 (crc, buffer, count); | |
9562 | ||
9563 | fclose (f); | |
9564 | ||
9565 | if (crc != * (unsigned long *) crc_pointer) | |
9566 | { | |
9567 | close_debug_file (sep_data); | |
9568 | warn (_("Separate debug info file %s found, but CRC does not match - ignoring\n"), | |
9569 | pathname); | |
9570 | return FALSE; | |
9571 | } | |
9572 | ||
9573 | return TRUE; | |
9574 | } | |
9575 | ||
9576 | static const char * | |
9577 | parse_gnu_debuglink (struct dwarf_section * section, void * data) | |
9578 | { | |
9579 | const char * name; | |
9580 | unsigned int crc_offset; | |
9581 | unsigned long * crc32 = (unsigned long *) data; | |
9582 | ||
9583 | /* The name is first. | |
9584 | The CRC value is stored after the filename, aligned up to 4 bytes. */ | |
9585 | name = (const char *) section->start; | |
9586 | ||
9587 | crc_offset = strnlen (name, section->size) + 1; | |
9588 | crc_offset = (crc_offset + 3) & ~3; | |
9589 | if (crc_offset + 4 > section->size) | |
9590 | return NULL; | |
9591 | ||
9592 | * crc32 = byte_get (section->start + crc_offset, 4); | |
9593 | return name; | |
9594 | } | |
9595 | ||
9596 | static bfd_boolean | |
9597 | check_gnu_debugaltlink (const char * filename, void * data ATTRIBUTE_UNUSED) | |
9598 | { | |
9599 | void * sep_data = open_debug_file (filename); | |
9600 | ||
9601 | if (sep_data == NULL) | |
9602 | return FALSE; | |
9603 | ||
9604 | /* FIXME: We should now extract the build-id in the separate file | |
9605 | and check it... */ | |
9606 | ||
9607 | return TRUE; | |
9608 | } | |
9609 | ||
9610 | typedef struct build_id_data | |
9611 | { | |
9612 | bfd_size_type len; | |
9613 | const unsigned char * data; | |
9614 | } Build_id_data; | |
9615 | ||
9616 | static const char * | |
9617 | parse_gnu_debugaltlink (struct dwarf_section * section, void * data) | |
9618 | { | |
9619 | const char * name; | |
9620 | bfd_size_type namelen; | |
9621 | bfd_size_type id_len; | |
9622 | Build_id_data * build_id_data; | |
9623 | ||
9624 | /* The name is first. | |
9625 | The build-id follows immediately, with no padding, up to the section's end. */ | |
9626 | ||
9627 | name = (const char *) section->start; | |
9628 | namelen = strnlen (name, section->size) + 1; | |
9629 | if (namelen >= section->size) | |
9630 | return NULL; | |
9631 | ||
9632 | id_len = section->size - namelen; | |
9633 | if (id_len < 0x14) | |
9634 | return NULL; | |
9635 | ||
9636 | build_id_data = calloc (1, sizeof * build_id_data); | |
9637 | if (build_id_data == NULL) | |
9638 | return NULL; | |
9639 | ||
9640 | build_id_data->len = id_len; | |
9641 | build_id_data->data = section->start + namelen; | |
9642 | ||
9643 | * (Build_id_data **) data = build_id_data; | |
9644 | ||
9645 | return name; | |
9646 | } | |
9647 | ||
9648 | static void * | |
9649 | load_separate_debug_info (const char * main_filename, | |
2b63c337 | 9650 | struct dwarf_section * xlink, |
dda8d76d NC |
9651 | parse_func_type parse_func, |
9652 | check_func_type check_func, | |
9653 | void * func_data) | |
9654 | { | |
9655 | const char * separate_filename; | |
9656 | char * debugfile; | |
9657 | char * canon_dir; | |
9658 | size_t canon_dirlen; | |
9659 | size_t dirlen; | |
9660 | ||
2b63c337 | 9661 | if ((separate_filename = parse_func (xlink, func_data)) == NULL) |
dda8d76d NC |
9662 | { |
9663 | warn (_("Corrupt debuglink section: %s\n"), | |
2b63c337 | 9664 | xlink->name ? xlink->name : xlink->uncompressed_name); |
dda8d76d NC |
9665 | return FALSE; |
9666 | } | |
9667 | ||
9668 | /* Attempt to locate the separate file. | |
9669 | This should duplicate the logic in bfd/opncls.c:find_separate_debug_file(). */ | |
9670 | ||
9671 | canon_dir = lrealpath (main_filename); | |
9672 | ||
9673 | for (canon_dirlen = strlen (canon_dir); canon_dirlen > 0; canon_dirlen--) | |
9674 | if (IS_DIR_SEPARATOR (canon_dir[canon_dirlen - 1])) | |
9675 | break; | |
9676 | canon_dir[canon_dirlen] = '\0'; | |
9677 | ||
9678 | #ifndef DEBUGDIR | |
9679 | #define DEBUGDIR "/lib/debug" | |
9680 | #endif | |
9681 | #ifndef EXTRA_DEBUG_ROOT1 | |
9682 | #define EXTRA_DEBUG_ROOT1 "/usr/lib/debug" | |
9683 | #endif | |
9684 | #ifndef EXTRA_DEBUG_ROOT2 | |
9685 | #define EXTRA_DEBUG_ROOT2 "/usr/lib/debug/usr" | |
9686 | #endif | |
9687 | ||
9688 | debugfile = (char *) malloc (strlen (DEBUGDIR) + 1 | |
9689 | + canon_dirlen | |
9690 | + strlen (".debug/") | |
9691 | #ifdef EXTRA_DEBUG_ROOT1 | |
9692 | + strlen (EXTRA_DEBUG_ROOT1) | |
9693 | #endif | |
9694 | #ifdef EXTRA_DEBUG_ROOT2 | |
9695 | + strlen (EXTRA_DEBUG_ROOT2) | |
9696 | #endif | |
9697 | + strlen (separate_filename) | |
9698 | + 1); | |
9699 | if (debugfile == NULL) | |
9700 | { | |
9701 | warn (_("Out of memory")); | |
9702 | return NULL; | |
9703 | } | |
9704 | ||
9705 | /* First try in the current directory. */ | |
9706 | sprintf (debugfile, "%s", separate_filename); | |
9707 | if (check_func (debugfile, func_data)) | |
9708 | goto found; | |
9709 | ||
9710 | /* Then try in a subdirectory called .debug. */ | |
9711 | sprintf (debugfile, ".debug/%s", separate_filename); | |
9712 | if (check_func (debugfile, func_data)) | |
9713 | goto found; | |
9714 | ||
9715 | /* Then try in the same directory as the original file. */ | |
9716 | sprintf (debugfile, "%s%s", canon_dir, separate_filename); | |
9717 | if (check_func (debugfile, func_data)) | |
9718 | goto found; | |
9719 | ||
9720 | /* And the .debug subdirectory of that directory. */ | |
9721 | sprintf (debugfile, "%s.debug/%s", canon_dir, separate_filename); | |
9722 | if (check_func (debugfile, func_data)) | |
9723 | goto found; | |
9724 | ||
9725 | #ifdef EXTRA_DEBUG_ROOT1 | |
9726 | /* Try the first extra debug file root. */ | |
9727 | sprintf (debugfile, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename); | |
9728 | if (check_func (debugfile, func_data)) | |
9729 | goto found; | |
9730 | #endif | |
9731 | ||
9732 | #ifdef EXTRA_DEBUG_ROOT2 | |
9733 | /* Try the second extra debug file root. */ | |
9734 | sprintf (debugfile, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename); | |
9735 | if (check_func (debugfile, func_data)) | |
9736 | goto found; | |
9737 | #endif | |
9738 | ||
9739 | /* Then try in the global debugfile directory. */ | |
9740 | strcpy (debugfile, DEBUGDIR); | |
9741 | dirlen = strlen (DEBUGDIR) - 1; | |
9742 | if (dirlen > 0 && DEBUGDIR[dirlen] != '/') | |
9743 | strcat (debugfile, "/"); | |
9744 | strcat (debugfile, (const char *) separate_filename); | |
9745 | ||
9746 | if (check_func (debugfile, func_data)) | |
9747 | goto found; | |
9748 | ||
9749 | /* Failed to find the file. */ | |
9750 | warn (_("could not find separate debug file '%s'\n"), separate_filename); | |
9751 | warn (_("tried: %s\n"), debugfile); | |
9752 | ||
9753 | #ifdef EXTRA_DEBUG_ROOT2 | |
9754 | sprintf (debugfile, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename); | |
9755 | warn (_("tried: %s\n"), debugfile); | |
9756 | #endif | |
9757 | ||
9758 | #ifdef EXTRA_DEBUG_ROOT1 | |
9759 | sprintf (debugfile, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename); | |
9760 | warn (_("tried: %s\n"), debugfile); | |
9761 | #endif | |
9762 | ||
9763 | sprintf (debugfile, "%s.debug/%s", canon_dir, separate_filename); | |
9764 | warn (_("tried: %s\n"), debugfile); | |
9765 | ||
9766 | sprintf (debugfile, "%s%s", canon_dir, separate_filename); | |
9767 | warn (_("tried: %s\n"), debugfile); | |
9768 | ||
9769 | sprintf (debugfile, ".debug/%s", separate_filename); | |
9770 | warn (_("tried: %s\n"), debugfile); | |
9771 | ||
9772 | sprintf (debugfile, "%s", separate_filename); | |
9773 | warn (_("tried: %s\n"), debugfile); | |
9774 | ||
9775 | free (canon_dir); | |
9776 | free (debugfile); | |
9777 | return NULL; | |
9778 | ||
9779 | found: | |
9780 | free (canon_dir); | |
9781 | ||
9782 | /* Now open the file.... */ | |
9783 | if ((separate_debug_file = open_debug_file (debugfile)) == NULL) | |
9784 | { | |
9785 | warn (_("failed to open separate debug file: %s\n"), debugfile); | |
9786 | free (debugfile); | |
9787 | return FALSE; | |
9788 | } | |
9789 | ||
9790 | /* FIXME: We do not check to see if there are any other separate debug info | |
9791 | files that would also match. */ | |
9792 | ||
9793 | printf (_("%s: Found separate debug info file: %s\n\n"), main_filename, debugfile); | |
9794 | separate_debug_filename = debugfile; | |
9795 | ||
9796 | /* Do not free debugfile - it might be referenced inside | |
9797 | the structure returned by open_debug_file(). */ | |
9798 | return separate_debug_file; | |
9799 | } | |
9800 | ||
d85bf2ba NC |
9801 | /* Attempt to load a separate dwarf object file. */ |
9802 | ||
9803 | static void * | |
9804 | load_dwo_file (const char * main_filename) | |
9805 | { | |
9806 | char * filename; | |
9807 | ||
9808 | /* FIXME: Skip adding / if dwo_dir ends in /. */ | |
9809 | filename = concat (dwo_dir, "/", dwo_name, NULL); | |
9810 | if (filename == NULL) | |
9811 | { | |
9812 | warn (_("Out of memory allocating dwo filename\n")); | |
9813 | return NULL; | |
9814 | } | |
9815 | ||
9816 | if ((separate_debug_file = open_debug_file (filename)) == NULL) | |
9817 | { | |
9818 | warn (_("Unable to load dwo file: %s\n"), filename); | |
9819 | free (filename); | |
9820 | return NULL; | |
9821 | } | |
9822 | ||
9823 | /* FIXME: We should check the dwo_id. */ | |
9824 | ||
9825 | printf (_("%s: Found separate debug object file: %s\n\n"), main_filename, filename); | |
9826 | separate_debug_filename = filename; | |
9827 | return separate_debug_file; | |
9828 | } | |
9829 | ||
dda8d76d NC |
9830 | /* Load a separate debug info file, if it exists. |
9831 | Returns the data pointer that is the result of calling open_debug_file | |
d85bf2ba NC |
9832 | on the separate debug info file, or NULL if there were problems or there |
9833 | is no such file. */ | |
dda8d76d NC |
9834 | |
9835 | void * | |
9836 | load_separate_debug_file (void * file, const char * filename) | |
9837 | { | |
d85bf2ba NC |
9838 | /* See if there is a dwo link. */ |
9839 | if (load_debug_section (str, file) | |
9840 | && load_debug_section (abbrev, file) | |
9841 | && load_debug_section (info, file)) | |
9842 | { | |
9843 | dwo_name = dwo_dir = NULL; | |
9844 | dwo_id = NULL; | |
9845 | dwo_id_len = 0; | |
9846 | ||
9847 | if (process_debug_info (& debug_displays[info].section, file, abbrev, TRUE, FALSE)) | |
9848 | { | |
9849 | if (dwo_name != NULL) | |
9850 | { | |
9851 | if (do_debug_links) | |
9852 | { | |
9853 | printf (_("The %s section contains a link to a dwo file:\n"), | |
9854 | debug_displays [info].section.uncompressed_name); | |
9855 | printf (_(" Name: %s\n"), dwo_name); | |
9856 | printf (_(" Directory: %s\n"), dwo_dir ? dwo_dir : _("<not-found>")); | |
9857 | if (dwo_id != NULL) | |
9858 | display_data (printf (_(" ID: ")), dwo_id, dwo_id_len); | |
9859 | else | |
9860 | printf (_(" ID: <unknown>\n")); | |
9861 | printf ("\n\n"); | |
9862 | } | |
9863 | ||
9864 | /* FIXME: We do not check to see if there are any more dwo links in the file... */ | |
9865 | if (do_follow_links) | |
9866 | return load_dwo_file (filename); | |
9867 | } | |
9868 | } | |
9869 | } | |
9870 | ||
dda8d76d NC |
9871 | if (! do_follow_links) |
9872 | return NULL; | |
9873 | ||
9874 | /* FIXME: We do not check for the presence of both link sections in the same file. */ | |
9875 | /* FIXME: We do not check the separate debug info file to see if it too contains debuglinks. */ | |
9876 | /* FIXME: We do not check for the presence of multiple, same-name debuglink sections. */ | |
d85bf2ba | 9877 | /* FIXME: We do not check for the presence of a dwo link as well as a debuglink. */ |
dda8d76d | 9878 | |
dda8d76d NC |
9879 | if (load_debug_section (gnu_debugaltlink, file)) |
9880 | { | |
9881 | Build_id_data * build_id_data; | |
9882 | ||
9883 | return load_separate_debug_info (filename, | |
9884 | & debug_displays[gnu_debugaltlink].section, | |
9885 | parse_gnu_debugaltlink, | |
9886 | check_gnu_debugaltlink, | |
9887 | & build_id_data); | |
9888 | } | |
9889 | ||
9890 | if (load_debug_section (gnu_debuglink, file)) | |
9891 | { | |
9892 | unsigned long crc32; | |
9893 | ||
9894 | return load_separate_debug_info (filename, | |
9895 | & debug_displays[gnu_debuglink].section, | |
9896 | parse_gnu_debuglink, | |
9897 | check_gnu_debuglink, | |
9898 | & crc32); | |
9899 | } | |
9900 | ||
9901 | do_follow_links = 0; | |
9902 | return NULL; | |
9903 | } | |
9904 | ||
19e6b90e L |
9905 | void |
9906 | free_debug_memory (void) | |
9907 | { | |
3f5e193b | 9908 | unsigned int i; |
19e6b90e L |
9909 | |
9910 | free_abbrevs (); | |
9911 | ||
9912 | for (i = 0; i < max; i++) | |
3f5e193b | 9913 | free_debug_section ((enum dwarf_section_display_enum) i); |
19e6b90e | 9914 | |
cc86f28f | 9915 | if (debug_information != NULL) |
19e6b90e | 9916 | { |
cc86f28f | 9917 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE) |
19e6b90e | 9918 | { |
cc86f28f | 9919 | for (i = 0; i < num_debug_info_entries; i++) |
19e6b90e | 9920 | { |
cc86f28f NC |
9921 | if (!debug_information [i].max_loc_offsets) |
9922 | { | |
9923 | free (debug_information [i].loc_offsets); | |
9924 | free (debug_information [i].have_frame_base); | |
9925 | } | |
9926 | if (!debug_information [i].max_range_lists) | |
9927 | free (debug_information [i].range_lists); | |
19e6b90e | 9928 | } |
19e6b90e L |
9929 | } |
9930 | free (debug_information); | |
9931 | debug_information = NULL; | |
82b1b41b | 9932 | alloc_num_debug_info_entries = num_debug_info_entries = 0; |
19e6b90e | 9933 | } |
dda8d76d NC |
9934 | |
9935 | if (separate_debug_file != NULL) | |
9936 | { | |
9937 | close_debug_file (separate_debug_file); | |
9938 | separate_debug_file = NULL; | |
9939 | ||
9940 | free ((void *) separate_debug_filename); | |
9941 | separate_debug_filename = NULL; | |
9942 | } | |
19e6b90e L |
9943 | } |
9944 | ||
4cb93e3b TG |
9945 | void |
9946 | dwarf_select_sections_by_names (const char *names) | |
9947 | { | |
9948 | typedef struct | |
9949 | { | |
9950 | const char * option; | |
9951 | int * variable; | |
f9f0e732 | 9952 | int val; |
4cb93e3b TG |
9953 | } |
9954 | debug_dump_long_opts; | |
9955 | ||
9956 | static const debug_dump_long_opts opts_table [] = | |
9957 | { | |
9958 | /* Please keep this table alpha- sorted. */ | |
9959 | { "Ranges", & do_debug_ranges, 1 }, | |
9960 | { "abbrev", & do_debug_abbrevs, 1 }, | |
657d0d47 | 9961 | { "addr", & do_debug_addr, 1 }, |
4cb93e3b | 9962 | { "aranges", & do_debug_aranges, 1 }, |
657d0d47 CC |
9963 | { "cu_index", & do_debug_cu_index, 1 }, |
9964 | { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED }, | |
dda8d76d | 9965 | { "follow-links", & do_follow_links, 1 }, |
4cb93e3b TG |
9966 | { "frames", & do_debug_frames, 1 }, |
9967 | { "frames-interp", & do_debug_frames_interp, 1 }, | |
657d0d47 CC |
9968 | /* The special .gdb_index section. */ |
9969 | { "gdb_index", & do_gdb_index, 1 }, | |
4cb93e3b TG |
9970 | { "info", & do_debug_info, 1 }, |
9971 | { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */ | |
dda8d76d | 9972 | { "links", & do_debug_links, 1 }, |
4cb93e3b TG |
9973 | { "loc", & do_debug_loc, 1 }, |
9974 | { "macro", & do_debug_macinfo, 1 }, | |
9975 | { "pubnames", & do_debug_pubnames, 1 }, | |
357da287 | 9976 | { "pubtypes", & do_debug_pubtypes, 1 }, |
222c2bf0 | 9977 | /* This entry is for compatibility |
4cb93e3b TG |
9978 | with earlier versions of readelf. */ |
9979 | { "ranges", & do_debug_aranges, 1 }, | |
657d0d47 | 9980 | { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, |
4cb93e3b | 9981 | { "str", & do_debug_str, 1 }, |
6f875884 TG |
9982 | /* These trace_* sections are used by Itanium VMS. */ |
9983 | { "trace_abbrev", & do_trace_abbrevs, 1 }, | |
9984 | { "trace_aranges", & do_trace_aranges, 1 }, | |
9985 | { "trace_info", & do_trace_info, 1 }, | |
4cb93e3b TG |
9986 | { NULL, NULL, 0 } |
9987 | }; | |
9988 | ||
9989 | const char *p; | |
467c65bc | 9990 | |
4cb93e3b TG |
9991 | p = names; |
9992 | while (*p) | |
9993 | { | |
9994 | const debug_dump_long_opts * entry; | |
467c65bc | 9995 | |
4cb93e3b TG |
9996 | for (entry = opts_table; entry->option; entry++) |
9997 | { | |
9998 | size_t len = strlen (entry->option); | |
467c65bc | 9999 | |
4cb93e3b TG |
10000 | if (strncmp (p, entry->option, len) == 0 |
10001 | && (p[len] == ',' || p[len] == '\0')) | |
10002 | { | |
10003 | * entry->variable |= entry->val; | |
467c65bc | 10004 | |
4cb93e3b TG |
10005 | /* The --debug-dump=frames-interp option also |
10006 | enables the --debug-dump=frames option. */ | |
10007 | if (do_debug_frames_interp) | |
10008 | do_debug_frames = 1; | |
10009 | ||
10010 | p += len; | |
10011 | break; | |
10012 | } | |
10013 | } | |
467c65bc | 10014 | |
4cb93e3b TG |
10015 | if (entry->option == NULL) |
10016 | { | |
10017 | warn (_("Unrecognized debug option '%s'\n"), p); | |
10018 | p = strchr (p, ','); | |
10019 | if (p == NULL) | |
10020 | break; | |
10021 | } | |
467c65bc | 10022 | |
4cb93e3b TG |
10023 | if (*p == ',') |
10024 | p++; | |
10025 | } | |
10026 | } | |
10027 | ||
10028 | void | |
10029 | dwarf_select_sections_by_letters (const char *letters) | |
10030 | { | |
91d6fa6a | 10031 | unsigned int lindex = 0; |
4cb93e3b | 10032 | |
91d6fa6a NC |
10033 | while (letters[lindex]) |
10034 | switch (letters[lindex++]) | |
4cb93e3b | 10035 | { |
dda8d76d NC |
10036 | case 'A': do_debug_addr = 1; break; |
10037 | case 'a': do_debug_abbrevs = 1; break; | |
10038 | case 'c': do_debug_cu_index = 1; break; | |
10039 | case 'F': do_debug_frames_interp = 1; /* Fall through. */ | |
10040 | case 'f': do_debug_frames = 1; break; | |
10041 | case 'g': do_gdb_index = 1; break; | |
10042 | case 'i': do_debug_info = 1; break; | |
10043 | case 'K': do_follow_links = 1; break; | |
10044 | case 'k': do_debug_links = 1; break; | |
10045 | case 'l': do_debug_lines |= FLAG_DEBUG_LINES_RAW; break; | |
10046 | case 'L': do_debug_lines |= FLAG_DEBUG_LINES_DECODED; break; | |
10047 | case 'm': do_debug_macinfo = 1; break; | |
10048 | case 'o': do_debug_loc = 1; break; | |
10049 | case 'p': do_debug_pubnames = 1; break; | |
10050 | case 'R': do_debug_ranges = 1; break; | |
10051 | case 'r': do_debug_aranges = 1; break; | |
10052 | case 's': do_debug_str = 1; break; | |
10053 | case 'T': do_trace_aranges = 1; break; | |
10054 | case 't': do_debug_pubtypes = 1; break; | |
10055 | case 'U': do_trace_info = 1; break; | |
10056 | case 'u': do_trace_abbrevs = 1; break; | |
467c65bc | 10057 | |
4cb93e3b | 10058 | default: |
7cc78d07 | 10059 | warn (_("Unrecognized debug option '%s'\n"), letters); |
4cb93e3b TG |
10060 | break; |
10061 | } | |
10062 | } | |
10063 | ||
10064 | void | |
10065 | dwarf_select_sections_all (void) | |
10066 | { | |
10067 | do_debug_info = 1; | |
10068 | do_debug_abbrevs = 1; | |
10069 | do_debug_lines = FLAG_DEBUG_LINES_RAW; | |
10070 | do_debug_pubnames = 1; | |
f9f0e732 | 10071 | do_debug_pubtypes = 1; |
4cb93e3b TG |
10072 | do_debug_aranges = 1; |
10073 | do_debug_ranges = 1; | |
10074 | do_debug_frames = 1; | |
10075 | do_debug_macinfo = 1; | |
10076 | do_debug_str = 1; | |
10077 | do_debug_loc = 1; | |
5bbdf3d5 | 10078 | do_gdb_index = 1; |
6f875884 TG |
10079 | do_trace_info = 1; |
10080 | do_trace_abbrevs = 1; | |
10081 | do_trace_aranges = 1; | |
657d0d47 CC |
10082 | do_debug_addr = 1; |
10083 | do_debug_cu_index = 1; | |
dda8d76d NC |
10084 | do_follow_links = 1; |
10085 | do_debug_links = 1; | |
4cb93e3b TG |
10086 | } |
10087 | ||
dda8d76d NC |
10088 | #define NO_ABBREVS NULL, NULL, NULL, 0, 0, 0, NULL, 0, NULL |
10089 | #define ABBREV(N) NULL, NULL, NULL, 0, 0, N, NULL, 0, NULL | |
10090 | ||
10091 | /* N.B. The order here must match the order in section_display_enum. */ | |
10092 | ||
19e6b90e L |
10093 | struct dwarf_section_display debug_displays[] = |
10094 | { | |
dda8d76d NC |
10095 | { { ".debug_abbrev", ".zdebug_abbrev", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE }, |
10096 | { { ".debug_aranges", ".zdebug_aranges", NO_ABBREVS }, display_debug_aranges, &do_debug_aranges, TRUE }, | |
10097 | { { ".debug_frame", ".zdebug_frame", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE }, | |
10098 | { { ".debug_info", ".zdebug_info", ABBREV (abbrev)}, display_debug_info, &do_debug_info, TRUE }, | |
10099 | { { ".debug_line", ".zdebug_line", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE }, | |
10100 | { { ".debug_pubnames", ".zdebug_pubnames", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubnames, FALSE }, | |
10101 | { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubnames, FALSE }, | |
10102 | { { ".eh_frame", "", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE }, | |
10103 | { { ".debug_macinfo", ".zdebug_macinfo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE }, | |
10104 | { { ".debug_macro", ".zdebug_macro", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE }, | |
10105 | { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE }, | |
10106 | { { ".debug_line_str", ".zdebug_line_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE }, | |
10107 | { { ".debug_loc", ".zdebug_loc", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE }, | |
10108 | { { ".debug_loclists", ".zdebug_loclists", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE }, | |
10109 | { { ".debug_pubtypes", ".zdebug_pubtypes", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubtypes, FALSE }, | |
10110 | { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubtypes, FALSE }, | |
10111 | { { ".debug_ranges", ".zdebug_ranges", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE }, | |
10112 | { { ".debug_rnglists", ".zdebug_rnglists", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE }, | |
10113 | { { ".debug_static_func", ".zdebug_static_func", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE }, | |
10114 | { { ".debug_static_vars", ".zdebug_static_vars", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE }, | |
10115 | { { ".debug_types", ".zdebug_types", ABBREV (abbrev) }, display_debug_types, &do_debug_info, TRUE }, | |
10116 | { { ".debug_weaknames", ".zdebug_weaknames", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE }, | |
10117 | { { ".gdb_index", "", NO_ABBREVS }, display_gdb_index, &do_gdb_index, FALSE }, | |
10118 | { { ".debug_names", "", NO_ABBREVS }, display_debug_names, &do_gdb_index, FALSE }, | |
10119 | { { ".trace_info", "", ABBREV (trace_abbrev) }, display_trace_info, &do_trace_info, TRUE }, | |
10120 | { { ".trace_abbrev", "", NO_ABBREVS }, display_debug_abbrev, &do_trace_abbrevs, FALSE }, | |
10121 | { { ".trace_aranges", "", NO_ABBREVS }, display_debug_aranges, &do_trace_aranges, FALSE }, | |
10122 | { { ".debug_info.dwo", ".zdebug_info.dwo", ABBREV (abbrev_dwo) }, display_debug_info, &do_debug_info, TRUE }, | |
10123 | { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE }, | |
10124 | { { ".debug_types.dwo", ".zdebug_types.dwo", ABBREV (abbrev_dwo) }, display_debug_types, &do_debug_info, TRUE }, | |
10125 | { { ".debug_line.dwo", ".zdebug_line.dwo", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE }, | |
10126 | { { ".debug_loc.dwo", ".zdebug_loc.dwo", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE }, | |
10127 | { { ".debug_macro.dwo", ".zdebug_macro.dwo", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE }, | |
10128 | { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE }, | |
10129 | { { ".debug_str.dwo", ".zdebug_str.dwo", NO_ABBREVS }, display_debug_str, &do_debug_str, TRUE }, | |
10130 | { { ".debug_str_offsets", ".zdebug_str_offsets", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE }, | |
10131 | { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE }, | |
10132 | { { ".debug_addr", ".zdebug_addr", NO_ABBREVS }, display_debug_addr, &do_debug_addr, TRUE }, | |
10133 | { { ".debug_cu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE }, | |
10134 | { { ".debug_tu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE }, | |
10135 | { { ".gnu_debuglink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE }, | |
10136 | { { ".gnu_debugaltlink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE }, | |
10137 | /* Separate debug info files can containt their own .debug_str section, | |
10138 | and this might be in *addition* to a .debug_str section already present | |
10139 | in the main file. Hence we need to have two entries for .debug_str. */ | |
10140 | { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE }, | |
19e6b90e | 10141 | }; |
b451e98a JK |
10142 | |
10143 | /* A static assertion. */ | |
10144 | extern int debug_displays_assert[ARRAY_SIZE (debug_displays) == max ? 1 : -1]; |