Commit | Line | Data |
---|---|---|
19e6b90e | 1 | /* dwarf.c -- display DWARF contents of a BFD binary file |
932fd279 | 2 | Copyright 2005, 2006, 2007, 2008, 2009, 2010 |
19e6b90e L |
3 | Free Software Foundation, Inc. |
4 | ||
5 | This file is part of GNU Binutils. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
32866df7 | 9 | the Free Software Foundation; either version 3 of the License, or |
19e6b90e L |
10 | (at your option) any later version. |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA | |
20 | 02110-1301, USA. */ | |
21 | ||
3db64b00 | 22 | #include "sysdep.h" |
19e6b90e | 23 | #include "libiberty.h" |
3db64b00 AM |
24 | #include "bfd.h" |
25 | #include "bucomm.h" | |
2dc4cec1 | 26 | #include "elf/common.h" |
fa8f86ff | 27 | #include "dwarf2.h" |
3db64b00 | 28 | #include "dwarf.h" |
19e6b90e L |
29 | |
30 | static int have_frame_base; | |
31 | static int need_base_address; | |
32 | ||
33 | static unsigned int last_pointer_size = 0; | |
34 | static int warned_about_missing_comp_units = FALSE; | |
35 | ||
36 | static unsigned int num_debug_info_entries = 0; | |
37 | static debug_info *debug_information = NULL; | |
cc86f28f NC |
38 | /* Special value for num_debug_info_entries to indicate |
39 | that the .debug_info section could not be loaded/parsed. */ | |
40 | #define DEBUG_INFO_UNAVAILABLE (unsigned int) -1 | |
19e6b90e | 41 | |
2dc4cec1 | 42 | int eh_addr_size; |
19e6b90e L |
43 | |
44 | int do_debug_info; | |
45 | int do_debug_abbrevs; | |
46 | int do_debug_lines; | |
47 | int do_debug_pubnames; | |
f9f0e732 | 48 | int do_debug_pubtypes; |
19e6b90e L |
49 | int do_debug_aranges; |
50 | int do_debug_ranges; | |
51 | int do_debug_frames; | |
52 | int do_debug_frames_interp; | |
53 | int do_debug_macinfo; | |
54 | int do_debug_str; | |
55 | int do_debug_loc; | |
a262ae96 | 56 | int do_wide; |
19e6b90e | 57 | |
4cb93e3b TG |
58 | /* Values for do_debug_lines. */ |
59 | #define FLAG_DEBUG_LINES_RAW 1 | |
60 | #define FLAG_DEBUG_LINES_DECODED 2 | |
61 | ||
19e6b90e L |
62 | dwarf_vma (*byte_get) (unsigned char *, int); |
63 | ||
64 | dwarf_vma | |
65 | byte_get_little_endian (unsigned char *field, int size) | |
66 | { | |
67 | switch (size) | |
68 | { | |
69 | case 1: | |
70 | return *field; | |
71 | ||
72 | case 2: | |
73 | return ((unsigned int) (field[0])) | |
74 | | (((unsigned int) (field[1])) << 8); | |
75 | ||
4dc3c23d AM |
76 | case 3: |
77 | return ((unsigned long) (field[0])) | |
78 | | (((unsigned long) (field[1])) << 8) | |
79 | | (((unsigned long) (field[2])) << 16); | |
80 | ||
19e6b90e L |
81 | case 4: |
82 | return ((unsigned long) (field[0])) | |
83 | | (((unsigned long) (field[1])) << 8) | |
84 | | (((unsigned long) (field[2])) << 16) | |
85 | | (((unsigned long) (field[3])) << 24); | |
86 | ||
87 | case 8: | |
88 | if (sizeof (dwarf_vma) == 8) | |
89 | return ((dwarf_vma) (field[0])) | |
90 | | (((dwarf_vma) (field[1])) << 8) | |
91 | | (((dwarf_vma) (field[2])) << 16) | |
92 | | (((dwarf_vma) (field[3])) << 24) | |
93 | | (((dwarf_vma) (field[4])) << 32) | |
94 | | (((dwarf_vma) (field[5])) << 40) | |
95 | | (((dwarf_vma) (field[6])) << 48) | |
96 | | (((dwarf_vma) (field[7])) << 56); | |
97 | else if (sizeof (dwarf_vma) == 4) | |
98 | /* We want to extract data from an 8 byte wide field and | |
99 | place it into a 4 byte wide field. Since this is a little | |
100 | endian source we can just use the 4 byte extraction code. */ | |
101 | return ((unsigned long) (field[0])) | |
102 | | (((unsigned long) (field[1])) << 8) | |
103 | | (((unsigned long) (field[2])) << 16) | |
104 | | (((unsigned long) (field[3])) << 24); | |
105 | ||
106 | default: | |
107 | error (_("Unhandled data length: %d\n"), size); | |
108 | abort (); | |
109 | } | |
110 | } | |
111 | ||
112 | dwarf_vma | |
113 | byte_get_big_endian (unsigned char *field, int size) | |
114 | { | |
115 | switch (size) | |
116 | { | |
117 | case 1: | |
118 | return *field; | |
119 | ||
120 | case 2: | |
121 | return ((unsigned int) (field[1])) | (((int) (field[0])) << 8); | |
122 | ||
4dc3c23d AM |
123 | case 3: |
124 | return ((unsigned long) (field[2])) | |
125 | | (((unsigned long) (field[1])) << 8) | |
126 | | (((unsigned long) (field[0])) << 16); | |
127 | ||
19e6b90e L |
128 | case 4: |
129 | return ((unsigned long) (field[3])) | |
130 | | (((unsigned long) (field[2])) << 8) | |
131 | | (((unsigned long) (field[1])) << 16) | |
132 | | (((unsigned long) (field[0])) << 24); | |
133 | ||
134 | case 8: | |
135 | if (sizeof (dwarf_vma) == 8) | |
136 | return ((dwarf_vma) (field[7])) | |
137 | | (((dwarf_vma) (field[6])) << 8) | |
138 | | (((dwarf_vma) (field[5])) << 16) | |
139 | | (((dwarf_vma) (field[4])) << 24) | |
140 | | (((dwarf_vma) (field[3])) << 32) | |
141 | | (((dwarf_vma) (field[2])) << 40) | |
142 | | (((dwarf_vma) (field[1])) << 48) | |
143 | | (((dwarf_vma) (field[0])) << 56); | |
144 | else if (sizeof (dwarf_vma) == 4) | |
145 | { | |
146 | /* Although we are extracing data from an 8 byte wide field, | |
147 | we are returning only 4 bytes of data. */ | |
148 | field += 4; | |
149 | return ((unsigned long) (field[3])) | |
150 | | (((unsigned long) (field[2])) << 8) | |
151 | | (((unsigned long) (field[1])) << 16) | |
152 | | (((unsigned long) (field[0])) << 24); | |
153 | } | |
154 | ||
155 | default: | |
156 | error (_("Unhandled data length: %d\n"), size); | |
157 | abort (); | |
158 | } | |
159 | } | |
160 | ||
161 | static dwarf_vma | |
162 | byte_get_signed (unsigned char *field, int size) | |
163 | { | |
164 | dwarf_vma x = byte_get (field, size); | |
165 | ||
166 | switch (size) | |
167 | { | |
168 | case 1: | |
169 | return (x ^ 0x80) - 0x80; | |
170 | case 2: | |
171 | return (x ^ 0x8000) - 0x8000; | |
172 | case 4: | |
173 | return (x ^ 0x80000000) - 0x80000000; | |
174 | case 8: | |
175 | return x; | |
176 | default: | |
177 | abort (); | |
178 | } | |
179 | } | |
180 | ||
f1c4cc75 RH |
181 | static int |
182 | size_of_encoded_value (int encoding) | |
183 | { | |
184 | switch (encoding & 0x7) | |
185 | { | |
186 | default: /* ??? */ | |
187 | case 0: return eh_addr_size; | |
188 | case 2: return 2; | |
189 | case 3: return 4; | |
190 | case 4: return 8; | |
191 | } | |
192 | } | |
193 | ||
194 | static dwarf_vma | |
195 | get_encoded_value (unsigned char *data, int encoding) | |
196 | { | |
197 | int size = size_of_encoded_value (encoding); | |
198 | ||
199 | if (encoding & DW_EH_PE_signed) | |
200 | return byte_get_signed (data, size); | |
201 | else | |
202 | return byte_get (data, size); | |
203 | } | |
204 | ||
2d9472a2 NC |
205 | /* Print a dwarf_vma value (typically an address, offset or length) in |
206 | hexadecimal format, followed by a space. The length of the value (and | |
207 | hence the precision displayed) is determined by the byte_size parameter. */ | |
cecf136e | 208 | |
2d9472a2 NC |
209 | static void |
210 | print_dwarf_vma (dwarf_vma val, unsigned byte_size) | |
211 | { | |
212 | static char buff[18]; | |
213 | ||
214 | /* Printf does not have a way of specifiying a maximum field width for an | |
215 | integer value, so we print the full value into a buffer and then select | |
216 | the precision we need. */ | |
217 | #if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2) | |
2e14fae2 | 218 | #ifndef __MSVCRT__ |
2d9472a2 | 219 | snprintf (buff, sizeof (buff), "%16.16llx ", val); |
2e14fae2 NC |
220 | #else |
221 | snprintf (buff, sizeof (buff), "%016I64x ", val); | |
222 | #endif | |
2d9472a2 NC |
223 | #else |
224 | snprintf (buff, sizeof (buff), "%16.16lx ", val); | |
225 | #endif | |
226 | ||
72556929 | 227 | fputs (buff + (byte_size == 4 ? 8 : 0), stdout); |
2d9472a2 NC |
228 | } |
229 | ||
0b6ae522 | 230 | unsigned long int |
19e6b90e L |
231 | read_leb128 (unsigned char *data, unsigned int *length_return, int sign) |
232 | { | |
233 | unsigned long int result = 0; | |
234 | unsigned int num_read = 0; | |
235 | unsigned int shift = 0; | |
236 | unsigned char byte; | |
237 | ||
238 | do | |
239 | { | |
240 | byte = *data++; | |
241 | num_read++; | |
242 | ||
243 | result |= ((unsigned long int) (byte & 0x7f)) << shift; | |
244 | ||
245 | shift += 7; | |
246 | ||
247 | } | |
248 | while (byte & 0x80); | |
249 | ||
250 | if (length_return != NULL) | |
251 | *length_return = num_read; | |
252 | ||
253 | if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40)) | |
254 | result |= -1L << shift; | |
255 | ||
256 | return result; | |
257 | } | |
258 | ||
259 | typedef struct State_Machine_Registers | |
260 | { | |
261 | unsigned long address; | |
262 | unsigned int file; | |
263 | unsigned int line; | |
264 | unsigned int column; | |
265 | int is_stmt; | |
266 | int basic_block; | |
a233b20c JJ |
267 | unsigned char op_index; |
268 | unsigned char end_sequence; | |
19e6b90e L |
269 | /* This variable hold the number of the last entry seen |
270 | in the File Table. */ | |
271 | unsigned int last_file_entry; | |
272 | } SMR; | |
273 | ||
274 | static SMR state_machine_regs; | |
275 | ||
276 | static void | |
277 | reset_state_machine (int is_stmt) | |
278 | { | |
279 | state_machine_regs.address = 0; | |
a233b20c | 280 | state_machine_regs.op_index = 0; |
19e6b90e L |
281 | state_machine_regs.file = 1; |
282 | state_machine_regs.line = 1; | |
283 | state_machine_regs.column = 0; | |
284 | state_machine_regs.is_stmt = is_stmt; | |
285 | state_machine_regs.basic_block = 0; | |
286 | state_machine_regs.end_sequence = 0; | |
287 | state_machine_regs.last_file_entry = 0; | |
288 | } | |
289 | ||
290 | /* Handled an extend line op. | |
291 | Returns the number of bytes read. */ | |
292 | ||
293 | static int | |
1617e571 | 294 | process_extended_line_op (unsigned char *data, int is_stmt) |
19e6b90e L |
295 | { |
296 | unsigned char op_code; | |
297 | unsigned int bytes_read; | |
298 | unsigned int len; | |
299 | unsigned char *name; | |
300 | unsigned long adr; | |
301 | ||
302 | len = read_leb128 (data, & bytes_read, 0); | |
303 | data += bytes_read; | |
304 | ||
305 | if (len == 0) | |
306 | { | |
307 | warn (_("badly formed extended line op encountered!\n")); | |
308 | return bytes_read; | |
309 | } | |
310 | ||
311 | len += bytes_read; | |
312 | op_code = *data++; | |
313 | ||
314 | printf (_(" Extended opcode %d: "), op_code); | |
315 | ||
316 | switch (op_code) | |
317 | { | |
318 | case DW_LNE_end_sequence: | |
319 | printf (_("End of Sequence\n\n")); | |
320 | reset_state_machine (is_stmt); | |
321 | break; | |
322 | ||
323 | case DW_LNE_set_address: | |
1617e571 | 324 | adr = byte_get (data, len - bytes_read - 1); |
19e6b90e L |
325 | printf (_("set Address to 0x%lx\n"), adr); |
326 | state_machine_regs.address = adr; | |
a233b20c | 327 | state_machine_regs.op_index = 0; |
19e6b90e L |
328 | break; |
329 | ||
330 | case DW_LNE_define_file: | |
331 | printf (_(" define new File Table entry\n")); | |
332 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); | |
333 | ||
334 | printf (_(" %d\t"), ++state_machine_regs.last_file_entry); | |
335 | name = data; | |
336 | data += strlen ((char *) data) + 1; | |
337 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |
338 | data += bytes_read; | |
339 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |
340 | data += bytes_read; | |
341 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |
342 | printf (_("%s\n\n"), name); | |
343 | break; | |
344 | ||
ed4a4bdf CC |
345 | case DW_LNE_set_discriminator: |
346 | printf (_("set Discriminator to %lu\n"), | |
347 | read_leb128 (data, & bytes_read, 0)); | |
348 | break; | |
349 | ||
e2a0d921 NC |
350 | /* HP extensions. */ |
351 | case DW_LNE_HP_negate_is_UV_update: | |
ed4a4bdf | 352 | printf ("DW_LNE_HP_negate_is_UV_update\n"); |
e2a0d921 NC |
353 | break; |
354 | case DW_LNE_HP_push_context: | |
ed4a4bdf | 355 | printf ("DW_LNE_HP_push_context\n"); |
e2a0d921 NC |
356 | break; |
357 | case DW_LNE_HP_pop_context: | |
ed4a4bdf | 358 | printf ("DW_LNE_HP_pop_context\n"); |
e2a0d921 NC |
359 | break; |
360 | case DW_LNE_HP_set_file_line_column: | |
ed4a4bdf | 361 | printf ("DW_LNE_HP_set_file_line_column\n"); |
e2a0d921 NC |
362 | break; |
363 | case DW_LNE_HP_set_routine_name: | |
ed4a4bdf | 364 | printf ("DW_LNE_HP_set_routine_name\n"); |
e2a0d921 NC |
365 | break; |
366 | case DW_LNE_HP_set_sequence: | |
ed4a4bdf | 367 | printf ("DW_LNE_HP_set_sequence\n"); |
e2a0d921 NC |
368 | break; |
369 | case DW_LNE_HP_negate_post_semantics: | |
ed4a4bdf | 370 | printf ("DW_LNE_HP_negate_post_semantics\n"); |
e2a0d921 NC |
371 | break; |
372 | case DW_LNE_HP_negate_function_exit: | |
ed4a4bdf | 373 | printf ("DW_LNE_HP_negate_function_exit\n"); |
e2a0d921 NC |
374 | break; |
375 | case DW_LNE_HP_negate_front_end_logical: | |
ed4a4bdf | 376 | printf ("DW_LNE_HP_negate_front_end_logical\n"); |
e2a0d921 NC |
377 | break; |
378 | case DW_LNE_HP_define_proc: | |
ed4a4bdf | 379 | printf ("DW_LNE_HP_define_proc\n"); |
e2a0d921 | 380 | break; |
cecf136e | 381 | |
19e6b90e | 382 | default: |
e2a0d921 NC |
383 | if (op_code >= DW_LNE_lo_user |
384 | /* The test against DW_LNW_hi_user is redundant due to | |
385 | the limited range of the unsigned char data type used | |
386 | for op_code. */ | |
387 | /*&& op_code <= DW_LNE_hi_user*/) | |
388 | printf (_("user defined: length %d\n"), len - bytes_read); | |
389 | else | |
390 | printf (_("UNKNOWN: length %d\n"), len - bytes_read); | |
19e6b90e L |
391 | break; |
392 | } | |
393 | ||
394 | return len; | |
395 | } | |
396 | ||
397 | static const char * | |
398 | fetch_indirect_string (unsigned long offset) | |
399 | { | |
400 | struct dwarf_section *section = &debug_displays [str].section; | |
401 | ||
402 | if (section->start == NULL) | |
403 | return _("<no .debug_str section>"); | |
404 | ||
bfe2612a L |
405 | /* DWARF sections under Mach-O have non-zero addresses. */ |
406 | offset -= section->address; | |
19e6b90e L |
407 | if (offset > section->size) |
408 | { | |
409 | warn (_("DW_FORM_strp offset too big: %lx\n"), offset); | |
410 | return _("<offset is too big>"); | |
411 | } | |
412 | ||
413 | return (const char *) section->start + offset; | |
414 | } | |
415 | ||
416 | /* FIXME: There are better and more efficient ways to handle | |
417 | these structures. For now though, I just want something that | |
418 | is simple to implement. */ | |
419 | typedef struct abbrev_attr | |
420 | { | |
421 | unsigned long attribute; | |
422 | unsigned long form; | |
423 | struct abbrev_attr *next; | |
424 | } | |
425 | abbrev_attr; | |
426 | ||
427 | typedef struct abbrev_entry | |
428 | { | |
429 | unsigned long entry; | |
430 | unsigned long tag; | |
431 | int children; | |
432 | struct abbrev_attr *first_attr; | |
433 | struct abbrev_attr *last_attr; | |
434 | struct abbrev_entry *next; | |
435 | } | |
436 | abbrev_entry; | |
437 | ||
438 | static abbrev_entry *first_abbrev = NULL; | |
439 | static abbrev_entry *last_abbrev = NULL; | |
440 | ||
441 | static void | |
442 | free_abbrevs (void) | |
443 | { | |
91d6fa6a | 444 | abbrev_entry *abbrv; |
19e6b90e | 445 | |
91d6fa6a | 446 | for (abbrv = first_abbrev; abbrv;) |
19e6b90e | 447 | { |
91d6fa6a | 448 | abbrev_entry *next_abbrev = abbrv->next; |
19e6b90e L |
449 | abbrev_attr *attr; |
450 | ||
91d6fa6a | 451 | for (attr = abbrv->first_attr; attr;) |
19e6b90e | 452 | { |
91d6fa6a | 453 | abbrev_attr *next_attr = attr->next; |
19e6b90e L |
454 | |
455 | free (attr); | |
91d6fa6a | 456 | attr = next_attr; |
19e6b90e L |
457 | } |
458 | ||
91d6fa6a NC |
459 | free (abbrv); |
460 | abbrv = next_abbrev; | |
19e6b90e L |
461 | } |
462 | ||
463 | last_abbrev = first_abbrev = NULL; | |
464 | } | |
465 | ||
466 | static void | |
467 | add_abbrev (unsigned long number, unsigned long tag, int children) | |
468 | { | |
469 | abbrev_entry *entry; | |
470 | ||
3f5e193b | 471 | entry = (abbrev_entry *) malloc (sizeof (*entry)); |
19e6b90e L |
472 | |
473 | if (entry == NULL) | |
474 | /* ugg */ | |
475 | return; | |
476 | ||
477 | entry->entry = number; | |
478 | entry->tag = tag; | |
479 | entry->children = children; | |
480 | entry->first_attr = NULL; | |
481 | entry->last_attr = NULL; | |
482 | entry->next = NULL; | |
483 | ||
484 | if (first_abbrev == NULL) | |
485 | first_abbrev = entry; | |
486 | else | |
487 | last_abbrev->next = entry; | |
488 | ||
489 | last_abbrev = entry; | |
490 | } | |
491 | ||
492 | static void | |
493 | add_abbrev_attr (unsigned long attribute, unsigned long form) | |
494 | { | |
495 | abbrev_attr *attr; | |
496 | ||
3f5e193b | 497 | attr = (abbrev_attr *) malloc (sizeof (*attr)); |
19e6b90e L |
498 | |
499 | if (attr == NULL) | |
500 | /* ugg */ | |
501 | return; | |
502 | ||
503 | attr->attribute = attribute; | |
504 | attr->form = form; | |
505 | attr->next = NULL; | |
506 | ||
507 | if (last_abbrev->first_attr == NULL) | |
508 | last_abbrev->first_attr = attr; | |
509 | else | |
510 | last_abbrev->last_attr->next = attr; | |
511 | ||
512 | last_abbrev->last_attr = attr; | |
513 | } | |
514 | ||
515 | /* Processes the (partial) contents of a .debug_abbrev section. | |
516 | Returns NULL if the end of the section was encountered. | |
517 | Returns the address after the last byte read if the end of | |
518 | an abbreviation set was found. */ | |
519 | ||
520 | static unsigned char * | |
521 | process_abbrev_section (unsigned char *start, unsigned char *end) | |
522 | { | |
523 | if (first_abbrev != NULL) | |
524 | return NULL; | |
525 | ||
526 | while (start < end) | |
527 | { | |
528 | unsigned int bytes_read; | |
529 | unsigned long entry; | |
530 | unsigned long tag; | |
531 | unsigned long attribute; | |
532 | int children; | |
533 | ||
534 | entry = read_leb128 (start, & bytes_read, 0); | |
535 | start += bytes_read; | |
536 | ||
537 | /* A single zero is supposed to end the section according | |
538 | to the standard. If there's more, then signal that to | |
539 | the caller. */ | |
540 | if (entry == 0) | |
541 | return start == end ? NULL : start; | |
542 | ||
543 | tag = read_leb128 (start, & bytes_read, 0); | |
544 | start += bytes_read; | |
545 | ||
546 | children = *start++; | |
547 | ||
548 | add_abbrev (entry, tag, children); | |
549 | ||
550 | do | |
551 | { | |
552 | unsigned long form; | |
553 | ||
554 | attribute = read_leb128 (start, & bytes_read, 0); | |
555 | start += bytes_read; | |
556 | ||
557 | form = read_leb128 (start, & bytes_read, 0); | |
558 | start += bytes_read; | |
559 | ||
560 | if (attribute != 0) | |
561 | add_abbrev_attr (attribute, form); | |
562 | } | |
563 | while (attribute != 0); | |
564 | } | |
565 | ||
566 | return NULL; | |
567 | } | |
568 | ||
569 | static char * | |
570 | get_TAG_name (unsigned long tag) | |
571 | { | |
572 | switch (tag) | |
573 | { | |
574 | case DW_TAG_padding: return "DW_TAG_padding"; | |
575 | case DW_TAG_array_type: return "DW_TAG_array_type"; | |
576 | case DW_TAG_class_type: return "DW_TAG_class_type"; | |
577 | case DW_TAG_entry_point: return "DW_TAG_entry_point"; | |
578 | case DW_TAG_enumeration_type: return "DW_TAG_enumeration_type"; | |
579 | case DW_TAG_formal_parameter: return "DW_TAG_formal_parameter"; | |
580 | case DW_TAG_imported_declaration: return "DW_TAG_imported_declaration"; | |
581 | case DW_TAG_label: return "DW_TAG_label"; | |
582 | case DW_TAG_lexical_block: return "DW_TAG_lexical_block"; | |
583 | case DW_TAG_member: return "DW_TAG_member"; | |
584 | case DW_TAG_pointer_type: return "DW_TAG_pointer_type"; | |
585 | case DW_TAG_reference_type: return "DW_TAG_reference_type"; | |
586 | case DW_TAG_compile_unit: return "DW_TAG_compile_unit"; | |
587 | case DW_TAG_string_type: return "DW_TAG_string_type"; | |
588 | case DW_TAG_structure_type: return "DW_TAG_structure_type"; | |
589 | case DW_TAG_subroutine_type: return "DW_TAG_subroutine_type"; | |
590 | case DW_TAG_typedef: return "DW_TAG_typedef"; | |
591 | case DW_TAG_union_type: return "DW_TAG_union_type"; | |
592 | case DW_TAG_unspecified_parameters: return "DW_TAG_unspecified_parameters"; | |
593 | case DW_TAG_variant: return "DW_TAG_variant"; | |
594 | case DW_TAG_common_block: return "DW_TAG_common_block"; | |
595 | case DW_TAG_common_inclusion: return "DW_TAG_common_inclusion"; | |
596 | case DW_TAG_inheritance: return "DW_TAG_inheritance"; | |
597 | case DW_TAG_inlined_subroutine: return "DW_TAG_inlined_subroutine"; | |
598 | case DW_TAG_module: return "DW_TAG_module"; | |
599 | case DW_TAG_ptr_to_member_type: return "DW_TAG_ptr_to_member_type"; | |
600 | case DW_TAG_set_type: return "DW_TAG_set_type"; | |
601 | case DW_TAG_subrange_type: return "DW_TAG_subrange_type"; | |
602 | case DW_TAG_with_stmt: return "DW_TAG_with_stmt"; | |
603 | case DW_TAG_access_declaration: return "DW_TAG_access_declaration"; | |
604 | case DW_TAG_base_type: return "DW_TAG_base_type"; | |
605 | case DW_TAG_catch_block: return "DW_TAG_catch_block"; | |
606 | case DW_TAG_const_type: return "DW_TAG_const_type"; | |
607 | case DW_TAG_constant: return "DW_TAG_constant"; | |
608 | case DW_TAG_enumerator: return "DW_TAG_enumerator"; | |
609 | case DW_TAG_file_type: return "DW_TAG_file_type"; | |
610 | case DW_TAG_friend: return "DW_TAG_friend"; | |
611 | case DW_TAG_namelist: return "DW_TAG_namelist"; | |
612 | case DW_TAG_namelist_item: return "DW_TAG_namelist_item"; | |
613 | case DW_TAG_packed_type: return "DW_TAG_packed_type"; | |
614 | case DW_TAG_subprogram: return "DW_TAG_subprogram"; | |
615 | case DW_TAG_template_type_param: return "DW_TAG_template_type_param"; | |
616 | case DW_TAG_template_value_param: return "DW_TAG_template_value_param"; | |
617 | case DW_TAG_thrown_type: return "DW_TAG_thrown_type"; | |
618 | case DW_TAG_try_block: return "DW_TAG_try_block"; | |
619 | case DW_TAG_variant_part: return "DW_TAG_variant_part"; | |
620 | case DW_TAG_variable: return "DW_TAG_variable"; | |
621 | case DW_TAG_volatile_type: return "DW_TAG_volatile_type"; | |
622 | case DW_TAG_MIPS_loop: return "DW_TAG_MIPS_loop"; | |
623 | case DW_TAG_format_label: return "DW_TAG_format_label"; | |
624 | case DW_TAG_function_template: return "DW_TAG_function_template"; | |
625 | case DW_TAG_class_template: return "DW_TAG_class_template"; | |
626 | /* DWARF 2.1 values. */ | |
627 | case DW_TAG_dwarf_procedure: return "DW_TAG_dwarf_procedure"; | |
628 | case DW_TAG_restrict_type: return "DW_TAG_restrict_type"; | |
629 | case DW_TAG_interface_type: return "DW_TAG_interface_type"; | |
630 | case DW_TAG_namespace: return "DW_TAG_namespace"; | |
631 | case DW_TAG_imported_module: return "DW_TAG_imported_module"; | |
632 | case DW_TAG_unspecified_type: return "DW_TAG_unspecified_type"; | |
633 | case DW_TAG_partial_unit: return "DW_TAG_partial_unit"; | |
634 | case DW_TAG_imported_unit: return "DW_TAG_imported_unit"; | |
2b6f5997 CC |
635 | case DW_TAG_condition: return "DW_TAG_condition"; |
636 | case DW_TAG_shared_type: return "DW_TAG_shared_type"; | |
637 | /* DWARF 4 values. */ | |
638 | case DW_TAG_type_unit: return "DW_TAG_type_unit"; | |
639 | case DW_TAG_rvalue_reference_type: return "DW_TAG_rvalue_reference_type"; | |
640 | case DW_TAG_template_alias: return "DW_TAG_template_alias"; | |
19e6b90e L |
641 | /* UPC values. */ |
642 | case DW_TAG_upc_shared_type: return "DW_TAG_upc_shared_type"; | |
643 | case DW_TAG_upc_strict_type: return "DW_TAG_upc_strict_type"; | |
644 | case DW_TAG_upc_relaxed_type: return "DW_TAG_upc_relaxed_type"; | |
645 | default: | |
646 | { | |
647 | static char buffer[100]; | |
648 | ||
649 | snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %lx"), tag); | |
650 | return buffer; | |
651 | } | |
652 | } | |
653 | } | |
654 | ||
655 | static char * | |
656 | get_FORM_name (unsigned long form) | |
657 | { | |
658 | switch (form) | |
659 | { | |
660 | case DW_FORM_addr: return "DW_FORM_addr"; | |
661 | case DW_FORM_block2: return "DW_FORM_block2"; | |
662 | case DW_FORM_block4: return "DW_FORM_block4"; | |
663 | case DW_FORM_data2: return "DW_FORM_data2"; | |
664 | case DW_FORM_data4: return "DW_FORM_data4"; | |
665 | case DW_FORM_data8: return "DW_FORM_data8"; | |
666 | case DW_FORM_string: return "DW_FORM_string"; | |
667 | case DW_FORM_block: return "DW_FORM_block"; | |
668 | case DW_FORM_block1: return "DW_FORM_block1"; | |
669 | case DW_FORM_data1: return "DW_FORM_data1"; | |
670 | case DW_FORM_flag: return "DW_FORM_flag"; | |
671 | case DW_FORM_sdata: return "DW_FORM_sdata"; | |
672 | case DW_FORM_strp: return "DW_FORM_strp"; | |
673 | case DW_FORM_udata: return "DW_FORM_udata"; | |
674 | case DW_FORM_ref_addr: return "DW_FORM_ref_addr"; | |
675 | case DW_FORM_ref1: return "DW_FORM_ref1"; | |
676 | case DW_FORM_ref2: return "DW_FORM_ref2"; | |
677 | case DW_FORM_ref4: return "DW_FORM_ref4"; | |
678 | case DW_FORM_ref8: return "DW_FORM_ref8"; | |
679 | case DW_FORM_ref_udata: return "DW_FORM_ref_udata"; | |
680 | case DW_FORM_indirect: return "DW_FORM_indirect"; | |
2b6f5997 CC |
681 | /* DWARF 4 values. */ |
682 | case DW_FORM_sec_offset: return "DW_FORM_sec_offset"; | |
683 | case DW_FORM_exprloc: return "DW_FORM_exprloc"; | |
684 | case DW_FORM_flag_present: return "DW_FORM_flag_present"; | |
685 | case DW_FORM_ref_sig8: return "DW_FORM_ref_sig8"; | |
19e6b90e L |
686 | default: |
687 | { | |
688 | static char buffer[100]; | |
689 | ||
690 | snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form); | |
691 | return buffer; | |
692 | } | |
693 | } | |
694 | } | |
695 | ||
696 | static unsigned char * | |
697 | display_block (unsigned char *data, unsigned long length) | |
698 | { | |
699 | printf (_(" %lu byte block: "), length); | |
700 | ||
701 | while (length --) | |
702 | printf ("%lx ", (unsigned long) byte_get (data++, 1)); | |
703 | ||
704 | return data; | |
705 | } | |
706 | ||
707 | static int | |
708 | decode_location_expression (unsigned char * data, | |
709 | unsigned int pointer_size, | |
710 | unsigned long length, | |
f1c4cc75 RH |
711 | unsigned long cu_offset, |
712 | struct dwarf_section * section) | |
19e6b90e L |
713 | { |
714 | unsigned op; | |
715 | unsigned int bytes_read; | |
716 | unsigned long uvalue; | |
717 | unsigned char *end = data + length; | |
718 | int need_frame_base = 0; | |
719 | ||
720 | while (data < end) | |
721 | { | |
722 | op = *data++; | |
723 | ||
724 | switch (op) | |
725 | { | |
726 | case DW_OP_addr: | |
727 | printf ("DW_OP_addr: %lx", | |
728 | (unsigned long) byte_get (data, pointer_size)); | |
729 | data += pointer_size; | |
730 | break; | |
731 | case DW_OP_deref: | |
732 | printf ("DW_OP_deref"); | |
733 | break; | |
734 | case DW_OP_const1u: | |
735 | printf ("DW_OP_const1u: %lu", (unsigned long) byte_get (data++, 1)); | |
736 | break; | |
737 | case DW_OP_const1s: | |
738 | printf ("DW_OP_const1s: %ld", (long) byte_get_signed (data++, 1)); | |
739 | break; | |
740 | case DW_OP_const2u: | |
741 | printf ("DW_OP_const2u: %lu", (unsigned long) byte_get (data, 2)); | |
742 | data += 2; | |
743 | break; | |
744 | case DW_OP_const2s: | |
745 | printf ("DW_OP_const2s: %ld", (long) byte_get_signed (data, 2)); | |
746 | data += 2; | |
747 | break; | |
748 | case DW_OP_const4u: | |
749 | printf ("DW_OP_const4u: %lu", (unsigned long) byte_get (data, 4)); | |
750 | data += 4; | |
751 | break; | |
752 | case DW_OP_const4s: | |
753 | printf ("DW_OP_const4s: %ld", (long) byte_get_signed (data, 4)); | |
754 | data += 4; | |
755 | break; | |
756 | case DW_OP_const8u: | |
757 | printf ("DW_OP_const8u: %lu %lu", (unsigned long) byte_get (data, 4), | |
758 | (unsigned long) byte_get (data + 4, 4)); | |
759 | data += 8; | |
760 | break; | |
761 | case DW_OP_const8s: | |
762 | printf ("DW_OP_const8s: %ld %ld", (long) byte_get (data, 4), | |
763 | (long) byte_get (data + 4, 4)); | |
764 | data += 8; | |
765 | break; | |
766 | case DW_OP_constu: | |
767 | printf ("DW_OP_constu: %lu", read_leb128 (data, &bytes_read, 0)); | |
768 | data += bytes_read; | |
769 | break; | |
770 | case DW_OP_consts: | |
771 | printf ("DW_OP_consts: %ld", read_leb128 (data, &bytes_read, 1)); | |
772 | data += bytes_read; | |
773 | break; | |
774 | case DW_OP_dup: | |
775 | printf ("DW_OP_dup"); | |
776 | break; | |
777 | case DW_OP_drop: | |
778 | printf ("DW_OP_drop"); | |
779 | break; | |
780 | case DW_OP_over: | |
781 | printf ("DW_OP_over"); | |
782 | break; | |
783 | case DW_OP_pick: | |
784 | printf ("DW_OP_pick: %ld", (unsigned long) byte_get (data++, 1)); | |
785 | break; | |
786 | case DW_OP_swap: | |
787 | printf ("DW_OP_swap"); | |
788 | break; | |
789 | case DW_OP_rot: | |
790 | printf ("DW_OP_rot"); | |
791 | break; | |
792 | case DW_OP_xderef: | |
793 | printf ("DW_OP_xderef"); | |
794 | break; | |
795 | case DW_OP_abs: | |
796 | printf ("DW_OP_abs"); | |
797 | break; | |
798 | case DW_OP_and: | |
799 | printf ("DW_OP_and"); | |
800 | break; | |
801 | case DW_OP_div: | |
802 | printf ("DW_OP_div"); | |
803 | break; | |
804 | case DW_OP_minus: | |
805 | printf ("DW_OP_minus"); | |
806 | break; | |
807 | case DW_OP_mod: | |
808 | printf ("DW_OP_mod"); | |
809 | break; | |
810 | case DW_OP_mul: | |
811 | printf ("DW_OP_mul"); | |
812 | break; | |
813 | case DW_OP_neg: | |
814 | printf ("DW_OP_neg"); | |
815 | break; | |
816 | case DW_OP_not: | |
817 | printf ("DW_OP_not"); | |
818 | break; | |
819 | case DW_OP_or: | |
820 | printf ("DW_OP_or"); | |
821 | break; | |
822 | case DW_OP_plus: | |
823 | printf ("DW_OP_plus"); | |
824 | break; | |
825 | case DW_OP_plus_uconst: | |
826 | printf ("DW_OP_plus_uconst: %lu", | |
827 | read_leb128 (data, &bytes_read, 0)); | |
828 | data += bytes_read; | |
829 | break; | |
830 | case DW_OP_shl: | |
831 | printf ("DW_OP_shl"); | |
832 | break; | |
833 | case DW_OP_shr: | |
834 | printf ("DW_OP_shr"); | |
835 | break; | |
836 | case DW_OP_shra: | |
837 | printf ("DW_OP_shra"); | |
838 | break; | |
839 | case DW_OP_xor: | |
840 | printf ("DW_OP_xor"); | |
841 | break; | |
842 | case DW_OP_bra: | |
843 | printf ("DW_OP_bra: %ld", (long) byte_get_signed (data, 2)); | |
844 | data += 2; | |
845 | break; | |
846 | case DW_OP_eq: | |
847 | printf ("DW_OP_eq"); | |
848 | break; | |
849 | case DW_OP_ge: | |
850 | printf ("DW_OP_ge"); | |
851 | break; | |
852 | case DW_OP_gt: | |
853 | printf ("DW_OP_gt"); | |
854 | break; | |
855 | case DW_OP_le: | |
856 | printf ("DW_OP_le"); | |
857 | break; | |
858 | case DW_OP_lt: | |
859 | printf ("DW_OP_lt"); | |
860 | break; | |
861 | case DW_OP_ne: | |
862 | printf ("DW_OP_ne"); | |
863 | break; | |
864 | case DW_OP_skip: | |
865 | printf ("DW_OP_skip: %ld", (long) byte_get_signed (data, 2)); | |
866 | data += 2; | |
867 | break; | |
868 | ||
869 | case DW_OP_lit0: | |
870 | case DW_OP_lit1: | |
871 | case DW_OP_lit2: | |
872 | case DW_OP_lit3: | |
873 | case DW_OP_lit4: | |
874 | case DW_OP_lit5: | |
875 | case DW_OP_lit6: | |
876 | case DW_OP_lit7: | |
877 | case DW_OP_lit8: | |
878 | case DW_OP_lit9: | |
879 | case DW_OP_lit10: | |
880 | case DW_OP_lit11: | |
881 | case DW_OP_lit12: | |
882 | case DW_OP_lit13: | |
883 | case DW_OP_lit14: | |
884 | case DW_OP_lit15: | |
885 | case DW_OP_lit16: | |
886 | case DW_OP_lit17: | |
887 | case DW_OP_lit18: | |
888 | case DW_OP_lit19: | |
889 | case DW_OP_lit20: | |
890 | case DW_OP_lit21: | |
891 | case DW_OP_lit22: | |
892 | case DW_OP_lit23: | |
893 | case DW_OP_lit24: | |
894 | case DW_OP_lit25: | |
895 | case DW_OP_lit26: | |
896 | case DW_OP_lit27: | |
897 | case DW_OP_lit28: | |
898 | case DW_OP_lit29: | |
899 | case DW_OP_lit30: | |
900 | case DW_OP_lit31: | |
901 | printf ("DW_OP_lit%d", op - DW_OP_lit0); | |
902 | break; | |
903 | ||
904 | case DW_OP_reg0: | |
905 | case DW_OP_reg1: | |
906 | case DW_OP_reg2: | |
907 | case DW_OP_reg3: | |
908 | case DW_OP_reg4: | |
909 | case DW_OP_reg5: | |
910 | case DW_OP_reg6: | |
911 | case DW_OP_reg7: | |
912 | case DW_OP_reg8: | |
913 | case DW_OP_reg9: | |
914 | case DW_OP_reg10: | |
915 | case DW_OP_reg11: | |
916 | case DW_OP_reg12: | |
917 | case DW_OP_reg13: | |
918 | case DW_OP_reg14: | |
919 | case DW_OP_reg15: | |
920 | case DW_OP_reg16: | |
921 | case DW_OP_reg17: | |
922 | case DW_OP_reg18: | |
923 | case DW_OP_reg19: | |
924 | case DW_OP_reg20: | |
925 | case DW_OP_reg21: | |
926 | case DW_OP_reg22: | |
927 | case DW_OP_reg23: | |
928 | case DW_OP_reg24: | |
929 | case DW_OP_reg25: | |
930 | case DW_OP_reg26: | |
931 | case DW_OP_reg27: | |
932 | case DW_OP_reg28: | |
933 | case DW_OP_reg29: | |
934 | case DW_OP_reg30: | |
935 | case DW_OP_reg31: | |
936 | printf ("DW_OP_reg%d", op - DW_OP_reg0); | |
937 | break; | |
938 | ||
939 | case DW_OP_breg0: | |
940 | case DW_OP_breg1: | |
941 | case DW_OP_breg2: | |
942 | case DW_OP_breg3: | |
943 | case DW_OP_breg4: | |
944 | case DW_OP_breg5: | |
945 | case DW_OP_breg6: | |
946 | case DW_OP_breg7: | |
947 | case DW_OP_breg8: | |
948 | case DW_OP_breg9: | |
949 | case DW_OP_breg10: | |
950 | case DW_OP_breg11: | |
951 | case DW_OP_breg12: | |
952 | case DW_OP_breg13: | |
953 | case DW_OP_breg14: | |
954 | case DW_OP_breg15: | |
955 | case DW_OP_breg16: | |
956 | case DW_OP_breg17: | |
957 | case DW_OP_breg18: | |
958 | case DW_OP_breg19: | |
959 | case DW_OP_breg20: | |
960 | case DW_OP_breg21: | |
961 | case DW_OP_breg22: | |
962 | case DW_OP_breg23: | |
963 | case DW_OP_breg24: | |
964 | case DW_OP_breg25: | |
965 | case DW_OP_breg26: | |
966 | case DW_OP_breg27: | |
967 | case DW_OP_breg28: | |
968 | case DW_OP_breg29: | |
969 | case DW_OP_breg30: | |
970 | case DW_OP_breg31: | |
971 | printf ("DW_OP_breg%d: %ld", op - DW_OP_breg0, | |
972 | read_leb128 (data, &bytes_read, 1)); | |
973 | data += bytes_read; | |
974 | break; | |
975 | ||
976 | case DW_OP_regx: | |
977 | printf ("DW_OP_regx: %lu", read_leb128 (data, &bytes_read, 0)); | |
978 | data += bytes_read; | |
979 | break; | |
980 | case DW_OP_fbreg: | |
981 | need_frame_base = 1; | |
982 | printf ("DW_OP_fbreg: %ld", read_leb128 (data, &bytes_read, 1)); | |
983 | data += bytes_read; | |
984 | break; | |
985 | case DW_OP_bregx: | |
986 | uvalue = read_leb128 (data, &bytes_read, 0); | |
987 | data += bytes_read; | |
988 | printf ("DW_OP_bregx: %lu %ld", uvalue, | |
989 | read_leb128 (data, &bytes_read, 1)); | |
990 | data += bytes_read; | |
991 | break; | |
992 | case DW_OP_piece: | |
993 | printf ("DW_OP_piece: %lu", read_leb128 (data, &bytes_read, 0)); | |
994 | data += bytes_read; | |
995 | break; | |
996 | case DW_OP_deref_size: | |
997 | printf ("DW_OP_deref_size: %ld", (long) byte_get (data++, 1)); | |
998 | break; | |
999 | case DW_OP_xderef_size: | |
1000 | printf ("DW_OP_xderef_size: %ld", (long) byte_get (data++, 1)); | |
1001 | break; | |
1002 | case DW_OP_nop: | |
1003 | printf ("DW_OP_nop"); | |
1004 | break; | |
1005 | ||
1006 | /* DWARF 3 extensions. */ | |
1007 | case DW_OP_push_object_address: | |
1008 | printf ("DW_OP_push_object_address"); | |
1009 | break; | |
1010 | case DW_OP_call2: | |
1011 | /* XXX: Strictly speaking for 64-bit DWARF3 files | |
1012 | this ought to be an 8-byte wide computation. */ | |
1013 | printf ("DW_OP_call2: <%lx>", (long) byte_get (data, 2) + cu_offset); | |
1014 | data += 2; | |
1015 | break; | |
1016 | case DW_OP_call4: | |
1017 | /* XXX: Strictly speaking for 64-bit DWARF3 files | |
1018 | this ought to be an 8-byte wide computation. */ | |
1019 | printf ("DW_OP_call4: <%lx>", (long) byte_get (data, 4) + cu_offset); | |
1020 | data += 4; | |
1021 | break; | |
1022 | case DW_OP_call_ref: | |
e2a0d921 NC |
1023 | /* XXX: Strictly speaking for 64-bit DWARF3 files |
1024 | this ought to be an 8-byte wide computation. */ | |
1025 | printf ("DW_OP_call_ref: <%lx>", (long) byte_get (data, 4) + cu_offset); | |
1026 | data += 4; | |
19e6b90e | 1027 | break; |
a87b0a59 NS |
1028 | case DW_OP_form_tls_address: |
1029 | printf ("DW_OP_form_tls_address"); | |
1030 | break; | |
e2a0d921 NC |
1031 | case DW_OP_call_frame_cfa: |
1032 | printf ("DW_OP_call_frame_cfa"); | |
1033 | break; | |
1034 | case DW_OP_bit_piece: | |
1035 | printf ("DW_OP_bit_piece: "); | |
1036 | printf ("size: %lu ", read_leb128 (data, &bytes_read, 0)); | |
1037 | data += bytes_read; | |
1038 | printf ("offset: %lu ", read_leb128 (data, &bytes_read, 0)); | |
1039 | data += bytes_read; | |
1040 | break; | |
19e6b90e | 1041 | |
3244e8f5 JJ |
1042 | /* DWARF 4 extensions. */ |
1043 | case DW_OP_stack_value: | |
1044 | printf ("DW_OP_stack_value"); | |
1045 | break; | |
1046 | ||
1047 | case DW_OP_implicit_value: | |
1048 | printf ("DW_OP_implicit_value"); | |
1049 | uvalue = read_leb128 (data, &bytes_read, 0); | |
1050 | data += bytes_read; | |
1051 | display_block (data, uvalue); | |
1052 | data += uvalue; | |
1053 | break; | |
1054 | ||
19e6b90e L |
1055 | /* GNU extensions. */ |
1056 | case DW_OP_GNU_push_tls_address: | |
e2a0d921 NC |
1057 | printf ("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown"); |
1058 | break; | |
1059 | case DW_OP_GNU_uninit: | |
1060 | printf ("DW_OP_GNU_uninit"); | |
1061 | /* FIXME: Is there data associated with this OP ? */ | |
1062 | break; | |
f1c4cc75 RH |
1063 | case DW_OP_GNU_encoded_addr: |
1064 | { | |
1065 | int encoding; | |
1066 | dwarf_vma addr; | |
1067 | ||
1068 | encoding = *data++; | |
1069 | addr = get_encoded_value (data, encoding); | |
1070 | if ((encoding & 0x70) == DW_EH_PE_pcrel) | |
1071 | addr += section->address + (data - section->start); | |
1072 | data += size_of_encoded_value (encoding); | |
1073 | ||
1074 | printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding); | |
1075 | print_dwarf_vma (addr, pointer_size); | |
1076 | } | |
1077 | break; | |
e2a0d921 NC |
1078 | |
1079 | /* HP extensions. */ | |
1080 | case DW_OP_HP_is_value: | |
1081 | printf ("DW_OP_HP_is_value"); | |
1082 | /* FIXME: Is there data associated with this OP ? */ | |
1083 | break; | |
1084 | case DW_OP_HP_fltconst4: | |
1085 | printf ("DW_OP_HP_fltconst4"); | |
1086 | /* FIXME: Is there data associated with this OP ? */ | |
1087 | break; | |
1088 | case DW_OP_HP_fltconst8: | |
1089 | printf ("DW_OP_HP_fltconst8"); | |
1090 | /* FIXME: Is there data associated with this OP ? */ | |
1091 | break; | |
1092 | case DW_OP_HP_mod_range: | |
1093 | printf ("DW_OP_HP_mod_range"); | |
1094 | /* FIXME: Is there data associated with this OP ? */ | |
1095 | break; | |
1096 | case DW_OP_HP_unmod_range: | |
1097 | printf ("DW_OP_HP_unmod_range"); | |
1098 | /* FIXME: Is there data associated with this OP ? */ | |
1099 | break; | |
1100 | case DW_OP_HP_tls: | |
1101 | printf ("DW_OP_HP_tls"); | |
1102 | /* FIXME: Is there data associated with this OP ? */ | |
19e6b90e L |
1103 | break; |
1104 | ||
35d60fe4 NC |
1105 | /* PGI (STMicroelectronics) extensions. */ |
1106 | case DW_OP_PGI_omp_thread_num: | |
1107 | /* Pushes the thread number for the current thread as it would be | |
1108 | returned by the standard OpenMP library function: | |
1109 | omp_get_thread_num(). The "current thread" is the thread for | |
1110 | which the expression is being evaluated. */ | |
1111 | printf ("DW_OP_PGI_omp_thread_num"); | |
1112 | break; | |
1113 | ||
19e6b90e L |
1114 | default: |
1115 | if (op >= DW_OP_lo_user | |
1116 | && op <= DW_OP_hi_user) | |
1117 | printf (_("(User defined location op)")); | |
1118 | else | |
1119 | printf (_("(Unknown location op)")); | |
1120 | /* No way to tell where the next op is, so just bail. */ | |
1121 | return need_frame_base; | |
1122 | } | |
1123 | ||
1124 | /* Separate the ops. */ | |
1125 | if (data < end) | |
1126 | printf ("; "); | |
1127 | } | |
1128 | ||
1129 | return need_frame_base; | |
1130 | } | |
1131 | ||
1132 | static unsigned char * | |
6e3d6dc1 NC |
1133 | read_and_display_attr_value (unsigned long attribute, |
1134 | unsigned long form, | |
ec4d4525 | 1135 | unsigned char * data, |
6e3d6dc1 NC |
1136 | unsigned long cu_offset, |
1137 | unsigned long pointer_size, | |
1138 | unsigned long offset_size, | |
1139 | int dwarf_version, | |
1140 | debug_info * debug_info_p, | |
1141 | int do_loc, | |
1142 | struct dwarf_section * section) | |
19e6b90e L |
1143 | { |
1144 | unsigned long uvalue = 0; | |
1145 | unsigned char *block_start = NULL; | |
6e3d6dc1 | 1146 | unsigned char * orig_data = data; |
19e6b90e L |
1147 | unsigned int bytes_read; |
1148 | ||
1149 | switch (form) | |
1150 | { | |
1151 | default: | |
1152 | break; | |
1153 | ||
1154 | case DW_FORM_ref_addr: | |
1155 | if (dwarf_version == 2) | |
1156 | { | |
1157 | uvalue = byte_get (data, pointer_size); | |
1158 | data += pointer_size; | |
1159 | } | |
932fd279 | 1160 | else if (dwarf_version == 3 || dwarf_version == 4) |
19e6b90e L |
1161 | { |
1162 | uvalue = byte_get (data, offset_size); | |
1163 | data += offset_size; | |
1164 | } | |
1165 | else | |
1166 | { | |
932fd279 | 1167 | error (_("Internal error: DWARF version is not 2, 3 or 4.\n")); |
19e6b90e L |
1168 | } |
1169 | break; | |
1170 | ||
1171 | case DW_FORM_addr: | |
1172 | uvalue = byte_get (data, pointer_size); | |
1173 | data += pointer_size; | |
1174 | break; | |
1175 | ||
1176 | case DW_FORM_strp: | |
932fd279 | 1177 | case DW_FORM_sec_offset: |
19e6b90e L |
1178 | uvalue = byte_get (data, offset_size); |
1179 | data += offset_size; | |
1180 | break; | |
1181 | ||
932fd279 JJ |
1182 | case DW_FORM_flag_present: |
1183 | uvalue = 1; | |
1184 | break; | |
1185 | ||
19e6b90e L |
1186 | case DW_FORM_ref1: |
1187 | case DW_FORM_flag: | |
1188 | case DW_FORM_data1: | |
1189 | uvalue = byte_get (data++, 1); | |
1190 | break; | |
1191 | ||
1192 | case DW_FORM_ref2: | |
1193 | case DW_FORM_data2: | |
1194 | uvalue = byte_get (data, 2); | |
1195 | data += 2; | |
1196 | break; | |
1197 | ||
1198 | case DW_FORM_ref4: | |
1199 | case DW_FORM_data4: | |
1200 | uvalue = byte_get (data, 4); | |
1201 | data += 4; | |
1202 | break; | |
1203 | ||
1204 | case DW_FORM_sdata: | |
1205 | uvalue = read_leb128 (data, & bytes_read, 1); | |
1206 | data += bytes_read; | |
1207 | break; | |
1208 | ||
1209 | case DW_FORM_ref_udata: | |
1210 | case DW_FORM_udata: | |
1211 | uvalue = read_leb128 (data, & bytes_read, 0); | |
1212 | data += bytes_read; | |
1213 | break; | |
1214 | ||
1215 | case DW_FORM_indirect: | |
1216 | form = read_leb128 (data, & bytes_read, 0); | |
1217 | data += bytes_read; | |
1218 | if (!do_loc) | |
1219 | printf (" %s", get_FORM_name (form)); | |
1220 | return read_and_display_attr_value (attribute, form, data, | |
1221 | cu_offset, pointer_size, | |
1222 | offset_size, dwarf_version, | |
ec4d4525 | 1223 | debug_info_p, do_loc, |
6e3d6dc1 | 1224 | section); |
19e6b90e L |
1225 | } |
1226 | ||
1227 | switch (form) | |
1228 | { | |
1229 | case DW_FORM_ref_addr: | |
1230 | if (!do_loc) | |
ec4d4525 | 1231 | printf (" <0x%lx>", uvalue); |
19e6b90e L |
1232 | break; |
1233 | ||
1234 | case DW_FORM_ref1: | |
1235 | case DW_FORM_ref2: | |
1236 | case DW_FORM_ref4: | |
1237 | case DW_FORM_ref_udata: | |
1238 | if (!do_loc) | |
ec4d4525 | 1239 | printf (" <0x%lx>", uvalue + cu_offset); |
19e6b90e L |
1240 | break; |
1241 | ||
1242 | case DW_FORM_data4: | |
1243 | case DW_FORM_addr: | |
932fd279 | 1244 | case DW_FORM_sec_offset: |
19e6b90e | 1245 | if (!do_loc) |
ec4d4525 | 1246 | printf (" 0x%lx", uvalue); |
19e6b90e L |
1247 | break; |
1248 | ||
932fd279 | 1249 | case DW_FORM_flag_present: |
19e6b90e L |
1250 | case DW_FORM_flag: |
1251 | case DW_FORM_data1: | |
1252 | case DW_FORM_data2: | |
1253 | case DW_FORM_sdata: | |
1254 | case DW_FORM_udata: | |
1255 | if (!do_loc) | |
1256 | printf (" %ld", uvalue); | |
1257 | break; | |
1258 | ||
1259 | case DW_FORM_ref8: | |
1260 | case DW_FORM_data8: | |
1261 | if (!do_loc) | |
1262 | { | |
1263 | uvalue = byte_get (data, 4); | |
ec4d4525 NC |
1264 | printf (" 0x%lx", uvalue); |
1265 | printf (" 0x%lx", (unsigned long) byte_get (data + 4, 4)); | |
19e6b90e L |
1266 | } |
1267 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
1268 | && num_debug_info_entries == 0) | |
1269 | { | |
1270 | if (sizeof (uvalue) == 8) | |
1271 | uvalue = byte_get (data, 8); | |
1272 | else | |
1273 | error (_("DW_FORM_data8 is unsupported when sizeof (unsigned long) != 8\n")); | |
1274 | } | |
1275 | data += 8; | |
1276 | break; | |
1277 | ||
1278 | case DW_FORM_string: | |
1279 | if (!do_loc) | |
1280 | printf (" %s", data); | |
1281 | data += strlen ((char *) data) + 1; | |
1282 | break; | |
1283 | ||
1284 | case DW_FORM_block: | |
932fd279 | 1285 | case DW_FORM_exprloc: |
19e6b90e L |
1286 | uvalue = read_leb128 (data, & bytes_read, 0); |
1287 | block_start = data + bytes_read; | |
1288 | if (do_loc) | |
1289 | data = block_start + uvalue; | |
1290 | else | |
1291 | data = display_block (block_start, uvalue); | |
1292 | break; | |
1293 | ||
1294 | case DW_FORM_block1: | |
1295 | uvalue = byte_get (data, 1); | |
1296 | block_start = data + 1; | |
1297 | if (do_loc) | |
1298 | data = block_start + uvalue; | |
1299 | else | |
1300 | data = display_block (block_start, uvalue); | |
1301 | break; | |
1302 | ||
1303 | case DW_FORM_block2: | |
1304 | uvalue = byte_get (data, 2); | |
1305 | block_start = data + 2; | |
1306 | if (do_loc) | |
1307 | data = block_start + uvalue; | |
1308 | else | |
1309 | data = display_block (block_start, uvalue); | |
1310 | break; | |
1311 | ||
1312 | case DW_FORM_block4: | |
1313 | uvalue = byte_get (data, 4); | |
1314 | block_start = data + 4; | |
1315 | if (do_loc) | |
1316 | data = block_start + uvalue; | |
1317 | else | |
1318 | data = display_block (block_start, uvalue); | |
1319 | break; | |
1320 | ||
1321 | case DW_FORM_strp: | |
1322 | if (!do_loc) | |
1323 | printf (_(" (indirect string, offset: 0x%lx): %s"), | |
1324 | uvalue, fetch_indirect_string (uvalue)); | |
1325 | break; | |
1326 | ||
1327 | case DW_FORM_indirect: | |
1328 | /* Handled above. */ | |
1329 | break; | |
1330 | ||
2b6f5997 CC |
1331 | case DW_FORM_ref_sig8: |
1332 | if (!do_loc) | |
1333 | { | |
1334 | int i; | |
1335 | printf (" signature: "); | |
1336 | for (i = 0; i < 8; i++) | |
1337 | { | |
1338 | printf ("%02x", (unsigned) byte_get (data, 1)); | |
1339 | data += 1; | |
1340 | } | |
1341 | } | |
1342 | else | |
1343 | data += 8; | |
1344 | break; | |
1345 | ||
19e6b90e L |
1346 | default: |
1347 | warn (_("Unrecognized form: %lu\n"), form); | |
1348 | break; | |
1349 | } | |
1350 | ||
19e6b90e L |
1351 | if ((do_loc || do_debug_loc || do_debug_ranges) |
1352 | && num_debug_info_entries == 0) | |
1353 | { | |
1354 | switch (attribute) | |
1355 | { | |
1356 | case DW_AT_frame_base: | |
1357 | have_frame_base = 1; | |
1358 | case DW_AT_location: | |
e2a0d921 NC |
1359 | case DW_AT_string_length: |
1360 | case DW_AT_return_addr: | |
19e6b90e L |
1361 | case DW_AT_data_member_location: |
1362 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
1363 | case DW_AT_segment: |
1364 | case DW_AT_static_link: | |
1365 | case DW_AT_use_location: | |
932fd279 JJ |
1366 | if (form == DW_FORM_data4 |
1367 | || form == DW_FORM_data8 | |
1368 | || form == DW_FORM_sec_offset) | |
19e6b90e L |
1369 | { |
1370 | /* Process location list. */ | |
91d6fa6a | 1371 | unsigned int lmax = debug_info_p->max_loc_offsets; |
19e6b90e L |
1372 | unsigned int num = debug_info_p->num_loc_offsets; |
1373 | ||
91d6fa6a | 1374 | if (lmax == 0 || num >= lmax) |
19e6b90e | 1375 | { |
91d6fa6a | 1376 | lmax += 1024; |
3f5e193b NC |
1377 | debug_info_p->loc_offsets = (long unsigned int *) |
1378 | xcrealloc (debug_info_p->loc_offsets, | |
91d6fa6a | 1379 | lmax, sizeof (*debug_info_p->loc_offsets)); |
3f5e193b NC |
1380 | debug_info_p->have_frame_base = (int *) |
1381 | xcrealloc (debug_info_p->have_frame_base, | |
91d6fa6a NC |
1382 | lmax, sizeof (*debug_info_p->have_frame_base)); |
1383 | debug_info_p->max_loc_offsets = lmax; | |
19e6b90e L |
1384 | } |
1385 | debug_info_p->loc_offsets [num] = uvalue; | |
1386 | debug_info_p->have_frame_base [num] = have_frame_base; | |
1387 | debug_info_p->num_loc_offsets++; | |
1388 | } | |
1389 | break; | |
e2a0d921 | 1390 | |
19e6b90e L |
1391 | case DW_AT_low_pc: |
1392 | if (need_base_address) | |
1393 | debug_info_p->base_address = uvalue; | |
1394 | break; | |
1395 | ||
1396 | case DW_AT_ranges: | |
932fd279 JJ |
1397 | if (form == DW_FORM_data4 |
1398 | || form == DW_FORM_data8 | |
1399 | || form == DW_FORM_sec_offset) | |
19e6b90e L |
1400 | { |
1401 | /* Process range list. */ | |
91d6fa6a | 1402 | unsigned int lmax = debug_info_p->max_range_lists; |
19e6b90e L |
1403 | unsigned int num = debug_info_p->num_range_lists; |
1404 | ||
91d6fa6a | 1405 | if (lmax == 0 || num >= lmax) |
19e6b90e | 1406 | { |
91d6fa6a | 1407 | lmax += 1024; |
3f5e193b NC |
1408 | debug_info_p->range_lists = (long unsigned int *) |
1409 | xcrealloc (debug_info_p->range_lists, | |
91d6fa6a NC |
1410 | lmax, sizeof (*debug_info_p->range_lists)); |
1411 | debug_info_p->max_range_lists = lmax; | |
19e6b90e L |
1412 | } |
1413 | debug_info_p->range_lists [num] = uvalue; | |
1414 | debug_info_p->num_range_lists++; | |
1415 | } | |
1416 | break; | |
1417 | ||
1418 | default: | |
1419 | break; | |
1420 | } | |
1421 | } | |
1422 | ||
1423 | if (do_loc) | |
1424 | return data; | |
1425 | ||
ec4d4525 | 1426 | /* For some attributes we can display further information. */ |
19e6b90e L |
1427 | printf ("\t"); |
1428 | ||
1429 | switch (attribute) | |
1430 | { | |
1431 | case DW_AT_inline: | |
1432 | switch (uvalue) | |
1433 | { | |
1434 | case DW_INL_not_inlined: | |
1435 | printf (_("(not inlined)")); | |
1436 | break; | |
1437 | case DW_INL_inlined: | |
1438 | printf (_("(inlined)")); | |
1439 | break; | |
1440 | case DW_INL_declared_not_inlined: | |
1441 | printf (_("(declared as inline but ignored)")); | |
1442 | break; | |
1443 | case DW_INL_declared_inlined: | |
1444 | printf (_("(declared as inline and inlined)")); | |
1445 | break; | |
1446 | default: | |
1447 | printf (_(" (Unknown inline attribute value: %lx)"), uvalue); | |
1448 | break; | |
1449 | } | |
1450 | break; | |
1451 | ||
1452 | case DW_AT_language: | |
1453 | switch (uvalue) | |
1454 | { | |
4b78141a | 1455 | /* Ordered by the numeric value of these constants. */ |
19e6b90e | 1456 | case DW_LANG_C89: printf ("(ANSI C)"); break; |
4b78141a NC |
1457 | case DW_LANG_C: printf ("(non-ANSI C)"); break; |
1458 | case DW_LANG_Ada83: printf ("(Ada)"); break; | |
19e6b90e | 1459 | case DW_LANG_C_plus_plus: printf ("(C++)"); break; |
4b78141a NC |
1460 | case DW_LANG_Cobol74: printf ("(Cobol 74)"); break; |
1461 | case DW_LANG_Cobol85: printf ("(Cobol 85)"); break; | |
19e6b90e L |
1462 | case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break; |
1463 | case DW_LANG_Fortran90: printf ("(Fortran 90)"); break; | |
19e6b90e | 1464 | case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break; |
4b78141a | 1465 | case DW_LANG_Modula2: printf ("(Modula 2)"); break; |
19e6b90e | 1466 | /* DWARF 2.1 values. */ |
4b78141a | 1467 | case DW_LANG_Java: printf ("(Java)"); break; |
19e6b90e L |
1468 | case DW_LANG_C99: printf ("(ANSI C99)"); break; |
1469 | case DW_LANG_Ada95: printf ("(ADA 95)"); break; | |
1470 | case DW_LANG_Fortran95: printf ("(Fortran 95)"); break; | |
4b78141a NC |
1471 | /* DWARF 3 values. */ |
1472 | case DW_LANG_PLI: printf ("(PLI)"); break; | |
1473 | case DW_LANG_ObjC: printf ("(Objective C)"); break; | |
1474 | case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break; | |
1475 | case DW_LANG_UPC: printf ("(Unified Parallel C)"); break; | |
1476 | case DW_LANG_D: printf ("(D)"); break; | |
2b6f5997 CC |
1477 | /* DWARF 4 values. */ |
1478 | case DW_LANG_Python: printf ("(Python)"); break; | |
19e6b90e L |
1479 | /* MIPS extension. */ |
1480 | case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break; | |
1481 | /* UPC extension. */ | |
1482 | case DW_LANG_Upc: printf ("(Unified Parallel C)"); break; | |
1483 | default: | |
4b78141a NC |
1484 | if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user) |
1485 | printf ("(implementation defined: %lx)", uvalue); | |
1486 | else | |
1487 | printf ("(Unknown: %lx)", uvalue); | |
19e6b90e L |
1488 | break; |
1489 | } | |
1490 | break; | |
1491 | ||
1492 | case DW_AT_encoding: | |
1493 | switch (uvalue) | |
1494 | { | |
1495 | case DW_ATE_void: printf ("(void)"); break; | |
1496 | case DW_ATE_address: printf ("(machine address)"); break; | |
1497 | case DW_ATE_boolean: printf ("(boolean)"); break; | |
1498 | case DW_ATE_complex_float: printf ("(complex float)"); break; | |
1499 | case DW_ATE_float: printf ("(float)"); break; | |
1500 | case DW_ATE_signed: printf ("(signed)"); break; | |
1501 | case DW_ATE_signed_char: printf ("(signed char)"); break; | |
1502 | case DW_ATE_unsigned: printf ("(unsigned)"); break; | |
1503 | case DW_ATE_unsigned_char: printf ("(unsigned char)"); break; | |
e2a0d921 | 1504 | /* DWARF 2.1 values: */ |
19e6b90e L |
1505 | case DW_ATE_imaginary_float: printf ("(imaginary float)"); break; |
1506 | case DW_ATE_decimal_float: printf ("(decimal float)"); break; | |
e2a0d921 NC |
1507 | /* DWARF 3 values: */ |
1508 | case DW_ATE_packed_decimal: printf ("(packed_decimal)"); break; | |
1509 | case DW_ATE_numeric_string: printf ("(numeric_string)"); break; | |
1510 | case DW_ATE_edited: printf ("(edited)"); break; | |
1511 | case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break; | |
1512 | case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break; | |
1513 | /* HP extensions: */ | |
1514 | case DW_ATE_HP_float80: printf ("(HP_float80)"); break; | |
1515 | case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break; | |
1516 | case DW_ATE_HP_float128: printf ("(HP_float128)"); break; | |
1517 | case DW_ATE_HP_complex_float128:printf ("(HP_complex_float128)"); break; | |
1518 | case DW_ATE_HP_floathpintel: printf ("(HP_floathpintel)"); break; | |
1519 | case DW_ATE_HP_imaginary_float80: printf ("(HP_imaginary_float80)"); break; | |
1520 | case DW_ATE_HP_imaginary_float128: printf ("(HP_imaginary_float128)"); break; | |
1521 | ||
19e6b90e L |
1522 | default: |
1523 | if (uvalue >= DW_ATE_lo_user | |
1524 | && uvalue <= DW_ATE_hi_user) | |
1525 | printf ("(user defined type)"); | |
1526 | else | |
1527 | printf ("(unknown type)"); | |
1528 | break; | |
1529 | } | |
1530 | break; | |
1531 | ||
1532 | case DW_AT_accessibility: | |
1533 | switch (uvalue) | |
1534 | { | |
1535 | case DW_ACCESS_public: printf ("(public)"); break; | |
1536 | case DW_ACCESS_protected: printf ("(protected)"); break; | |
1537 | case DW_ACCESS_private: printf ("(private)"); break; | |
1538 | default: | |
1539 | printf ("(unknown accessibility)"); | |
1540 | break; | |
1541 | } | |
1542 | break; | |
1543 | ||
1544 | case DW_AT_visibility: | |
1545 | switch (uvalue) | |
1546 | { | |
1547 | case DW_VIS_local: printf ("(local)"); break; | |
1548 | case DW_VIS_exported: printf ("(exported)"); break; | |
1549 | case DW_VIS_qualified: printf ("(qualified)"); break; | |
1550 | default: printf ("(unknown visibility)"); break; | |
1551 | } | |
1552 | break; | |
1553 | ||
1554 | case DW_AT_virtuality: | |
1555 | switch (uvalue) | |
1556 | { | |
1557 | case DW_VIRTUALITY_none: printf ("(none)"); break; | |
1558 | case DW_VIRTUALITY_virtual: printf ("(virtual)"); break; | |
1559 | case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break; | |
1560 | default: printf ("(unknown virtuality)"); break; | |
1561 | } | |
1562 | break; | |
1563 | ||
1564 | case DW_AT_identifier_case: | |
1565 | switch (uvalue) | |
1566 | { | |
1567 | case DW_ID_case_sensitive: printf ("(case_sensitive)"); break; | |
1568 | case DW_ID_up_case: printf ("(up_case)"); break; | |
1569 | case DW_ID_down_case: printf ("(down_case)"); break; | |
1570 | case DW_ID_case_insensitive: printf ("(case_insensitive)"); break; | |
1571 | default: printf ("(unknown case)"); break; | |
1572 | } | |
1573 | break; | |
1574 | ||
1575 | case DW_AT_calling_convention: | |
1576 | switch (uvalue) | |
1577 | { | |
1578 | case DW_CC_normal: printf ("(normal)"); break; | |
1579 | case DW_CC_program: printf ("(program)"); break; | |
1580 | case DW_CC_nocall: printf ("(nocall)"); break; | |
1581 | default: | |
1582 | if (uvalue >= DW_CC_lo_user | |
1583 | && uvalue <= DW_CC_hi_user) | |
1584 | printf ("(user defined)"); | |
1585 | else | |
1586 | printf ("(unknown convention)"); | |
1587 | } | |
1588 | break; | |
1589 | ||
1590 | case DW_AT_ordering: | |
1591 | switch (uvalue) | |
1592 | { | |
1593 | case -1: printf ("(undefined)"); break; | |
1594 | case 0: printf ("(row major)"); break; | |
1595 | case 1: printf ("(column major)"); break; | |
1596 | } | |
1597 | break; | |
1598 | ||
1599 | case DW_AT_frame_base: | |
1600 | have_frame_base = 1; | |
1601 | case DW_AT_location: | |
e2a0d921 NC |
1602 | case DW_AT_string_length: |
1603 | case DW_AT_return_addr: | |
19e6b90e L |
1604 | case DW_AT_data_member_location: |
1605 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
1606 | case DW_AT_segment: |
1607 | case DW_AT_static_link: | |
1608 | case DW_AT_use_location: | |
932fd279 JJ |
1609 | if (form == DW_FORM_data4 |
1610 | || form == DW_FORM_data8 | |
1611 | || form == DW_FORM_sec_offset) | |
e2a0d921 NC |
1612 | printf (_("(location list)")); |
1613 | /* Fall through. */ | |
19e6b90e L |
1614 | case DW_AT_allocated: |
1615 | case DW_AT_associated: | |
1616 | case DW_AT_data_location: | |
1617 | case DW_AT_stride: | |
1618 | case DW_AT_upper_bound: | |
cecf136e | 1619 | case DW_AT_lower_bound: |
19e6b90e L |
1620 | if (block_start) |
1621 | { | |
1622 | int need_frame_base; | |
1623 | ||
1624 | printf ("("); | |
1625 | need_frame_base = decode_location_expression (block_start, | |
1626 | pointer_size, | |
1627 | uvalue, | |
f1c4cc75 | 1628 | cu_offset, section); |
19e6b90e L |
1629 | printf (")"); |
1630 | if (need_frame_base && !have_frame_base) | |
1631 | printf (_(" [without DW_AT_frame_base]")); | |
1632 | } | |
19e6b90e L |
1633 | break; |
1634 | ||
ec4d4525 NC |
1635 | case DW_AT_import: |
1636 | { | |
2b6f5997 CC |
1637 | if (form == DW_FORM_ref_sig8) |
1638 | break; | |
1639 | ||
ec4d4525 NC |
1640 | if (form == DW_FORM_ref1 |
1641 | || form == DW_FORM_ref2 | |
1642 | || form == DW_FORM_ref4) | |
1643 | uvalue += cu_offset; | |
1644 | ||
6e3d6dc1 NC |
1645 | if (uvalue >= section->size) |
1646 | warn (_("Offset %lx used as value for DW_AT_import attribute of DIE at offset %lx is too big.\n"), | |
0af1713e | 1647 | uvalue, (unsigned long) (orig_data - section->start)); |
6e3d6dc1 NC |
1648 | else |
1649 | { | |
1650 | unsigned long abbrev_number; | |
1651 | abbrev_entry * entry; | |
1652 | ||
1653 | abbrev_number = read_leb128 (section->start + uvalue, NULL, 0); | |
cecf136e | 1654 | |
6e3d6dc1 NC |
1655 | printf ("[Abbrev Number: %ld", abbrev_number); |
1656 | for (entry = first_abbrev; entry != NULL; entry = entry->next) | |
1657 | if (entry->entry == abbrev_number) | |
1658 | break; | |
1659 | if (entry != NULL) | |
1660 | printf (" (%s)", get_TAG_name (entry->tag)); | |
1661 | printf ("]"); | |
1662 | } | |
ec4d4525 NC |
1663 | } |
1664 | break; | |
1665 | ||
19e6b90e L |
1666 | default: |
1667 | break; | |
1668 | } | |
1669 | ||
1670 | return data; | |
1671 | } | |
1672 | ||
1673 | static char * | |
1674 | get_AT_name (unsigned long attribute) | |
1675 | { | |
1676 | switch (attribute) | |
1677 | { | |
1678 | case DW_AT_sibling: return "DW_AT_sibling"; | |
1679 | case DW_AT_location: return "DW_AT_location"; | |
1680 | case DW_AT_name: return "DW_AT_name"; | |
1681 | case DW_AT_ordering: return "DW_AT_ordering"; | |
1682 | case DW_AT_subscr_data: return "DW_AT_subscr_data"; | |
1683 | case DW_AT_byte_size: return "DW_AT_byte_size"; | |
1684 | case DW_AT_bit_offset: return "DW_AT_bit_offset"; | |
1685 | case DW_AT_bit_size: return "DW_AT_bit_size"; | |
1686 | case DW_AT_element_list: return "DW_AT_element_list"; | |
1687 | case DW_AT_stmt_list: return "DW_AT_stmt_list"; | |
1688 | case DW_AT_low_pc: return "DW_AT_low_pc"; | |
1689 | case DW_AT_high_pc: return "DW_AT_high_pc"; | |
1690 | case DW_AT_language: return "DW_AT_language"; | |
1691 | case DW_AT_member: return "DW_AT_member"; | |
1692 | case DW_AT_discr: return "DW_AT_discr"; | |
1693 | case DW_AT_discr_value: return "DW_AT_discr_value"; | |
1694 | case DW_AT_visibility: return "DW_AT_visibility"; | |
1695 | case DW_AT_import: return "DW_AT_import"; | |
1696 | case DW_AT_string_length: return "DW_AT_string_length"; | |
1697 | case DW_AT_common_reference: return "DW_AT_common_reference"; | |
1698 | case DW_AT_comp_dir: return "DW_AT_comp_dir"; | |
1699 | case DW_AT_const_value: return "DW_AT_const_value"; | |
1700 | case DW_AT_containing_type: return "DW_AT_containing_type"; | |
1701 | case DW_AT_default_value: return "DW_AT_default_value"; | |
1702 | case DW_AT_inline: return "DW_AT_inline"; | |
1703 | case DW_AT_is_optional: return "DW_AT_is_optional"; | |
1704 | case DW_AT_lower_bound: return "DW_AT_lower_bound"; | |
1705 | case DW_AT_producer: return "DW_AT_producer"; | |
1706 | case DW_AT_prototyped: return "DW_AT_prototyped"; | |
1707 | case DW_AT_return_addr: return "DW_AT_return_addr"; | |
1708 | case DW_AT_start_scope: return "DW_AT_start_scope"; | |
1709 | case DW_AT_stride_size: return "DW_AT_stride_size"; | |
1710 | case DW_AT_upper_bound: return "DW_AT_upper_bound"; | |
1711 | case DW_AT_abstract_origin: return "DW_AT_abstract_origin"; | |
1712 | case DW_AT_accessibility: return "DW_AT_accessibility"; | |
1713 | case DW_AT_address_class: return "DW_AT_address_class"; | |
1714 | case DW_AT_artificial: return "DW_AT_artificial"; | |
1715 | case DW_AT_base_types: return "DW_AT_base_types"; | |
1716 | case DW_AT_calling_convention: return "DW_AT_calling_convention"; | |
1717 | case DW_AT_count: return "DW_AT_count"; | |
1718 | case DW_AT_data_member_location: return "DW_AT_data_member_location"; | |
1719 | case DW_AT_decl_column: return "DW_AT_decl_column"; | |
1720 | case DW_AT_decl_file: return "DW_AT_decl_file"; | |
1721 | case DW_AT_decl_line: return "DW_AT_decl_line"; | |
1722 | case DW_AT_declaration: return "DW_AT_declaration"; | |
1723 | case DW_AT_discr_list: return "DW_AT_discr_list"; | |
1724 | case DW_AT_encoding: return "DW_AT_encoding"; | |
1725 | case DW_AT_external: return "DW_AT_external"; | |
1726 | case DW_AT_frame_base: return "DW_AT_frame_base"; | |
1727 | case DW_AT_friend: return "DW_AT_friend"; | |
1728 | case DW_AT_identifier_case: return "DW_AT_identifier_case"; | |
1729 | case DW_AT_macro_info: return "DW_AT_macro_info"; | |
1730 | case DW_AT_namelist_items: return "DW_AT_namelist_items"; | |
1731 | case DW_AT_priority: return "DW_AT_priority"; | |
1732 | case DW_AT_segment: return "DW_AT_segment"; | |
1733 | case DW_AT_specification: return "DW_AT_specification"; | |
1734 | case DW_AT_static_link: return "DW_AT_static_link"; | |
1735 | case DW_AT_type: return "DW_AT_type"; | |
1736 | case DW_AT_use_location: return "DW_AT_use_location"; | |
1737 | case DW_AT_variable_parameter: return "DW_AT_variable_parameter"; | |
1738 | case DW_AT_virtuality: return "DW_AT_virtuality"; | |
1739 | case DW_AT_vtable_elem_location: return "DW_AT_vtable_elem_location"; | |
1740 | /* DWARF 2.1 values. */ | |
1741 | case DW_AT_allocated: return "DW_AT_allocated"; | |
1742 | case DW_AT_associated: return "DW_AT_associated"; | |
1743 | case DW_AT_data_location: return "DW_AT_data_location"; | |
1744 | case DW_AT_stride: return "DW_AT_stride"; | |
1745 | case DW_AT_entry_pc: return "DW_AT_entry_pc"; | |
1746 | case DW_AT_use_UTF8: return "DW_AT_use_UTF8"; | |
1747 | case DW_AT_extension: return "DW_AT_extension"; | |
1748 | case DW_AT_ranges: return "DW_AT_ranges"; | |
1749 | case DW_AT_trampoline: return "DW_AT_trampoline"; | |
1750 | case DW_AT_call_column: return "DW_AT_call_column"; | |
1751 | case DW_AT_call_file: return "DW_AT_call_file"; | |
1752 | case DW_AT_call_line: return "DW_AT_call_line"; | |
e2a0d921 NC |
1753 | case DW_AT_description: return "DW_AT_description"; |
1754 | case DW_AT_binary_scale: return "DW_AT_binary_scale"; | |
1755 | case DW_AT_decimal_scale: return "DW_AT_decimal_scale"; | |
1756 | case DW_AT_small: return "DW_AT_small"; | |
1757 | case DW_AT_decimal_sign: return "DW_AT_decimal_sign"; | |
1758 | case DW_AT_digit_count: return "DW_AT_digit_count"; | |
1759 | case DW_AT_picture_string: return "DW_AT_picture_string"; | |
1760 | case DW_AT_mutable: return "DW_AT_mutable"; | |
1761 | case DW_AT_threads_scaled: return "DW_AT_threads_scaled"; | |
1762 | case DW_AT_explicit: return "DW_AT_explicit"; | |
1763 | case DW_AT_object_pointer: return "DW_AT_object_pointer"; | |
1764 | case DW_AT_endianity: return "DW_AT_endianity"; | |
1765 | case DW_AT_elemental: return "DW_AT_elemental"; | |
1766 | case DW_AT_pure: return "DW_AT_pure"; | |
1767 | case DW_AT_recursive: return "DW_AT_recursive"; | |
2b6f5997 CC |
1768 | /* DWARF 4 values. */ |
1769 | case DW_AT_signature: return "DW_AT_signature"; | |
1770 | case DW_AT_main_subprogram: return "DW_AT_main_subprogram"; | |
1771 | case DW_AT_data_bit_offset: return "DW_AT_data_bit_offset"; | |
1772 | case DW_AT_const_expr: return "DW_AT_const_expr"; | |
1773 | case DW_AT_enum_class: return "DW_AT_enum_class"; | |
1774 | case DW_AT_linkage_name: return "DW_AT_linkage_name"; | |
e2a0d921 NC |
1775 | |
1776 | /* HP and SGI/MIPS extensions. */ | |
1777 | case DW_AT_MIPS_loop_begin: return "DW_AT_MIPS_loop_begin"; | |
1778 | case DW_AT_MIPS_tail_loop_begin: return "DW_AT_MIPS_tail_loop_begin"; | |
1779 | case DW_AT_MIPS_epilog_begin: return "DW_AT_MIPS_epilog_begin"; | |
1780 | case DW_AT_MIPS_loop_unroll_factor: return "DW_AT_MIPS_loop_unroll_factor"; | |
1781 | case DW_AT_MIPS_software_pipeline_depth: return "DW_AT_MIPS_software_pipeline_depth"; | |
1782 | case DW_AT_MIPS_linkage_name: return "DW_AT_MIPS_linkage_name"; | |
1783 | case DW_AT_MIPS_stride: return "DW_AT_MIPS_stride"; | |
1784 | case DW_AT_MIPS_abstract_name: return "DW_AT_MIPS_abstract_name"; | |
1785 | case DW_AT_MIPS_clone_origin: return "DW_AT_MIPS_clone_origin"; | |
1786 | case DW_AT_MIPS_has_inlines: return "DW_AT_MIPS_has_inlines"; | |
1787 | ||
1788 | /* HP Extensions. */ | |
cecf136e | 1789 | case DW_AT_HP_block_index: return "DW_AT_HP_block_index"; |
e2a0d921 NC |
1790 | case DW_AT_HP_actuals_stmt_list: return "DW_AT_HP_actuals_stmt_list"; |
1791 | case DW_AT_HP_proc_per_section: return "DW_AT_HP_proc_per_section"; | |
1792 | case DW_AT_HP_raw_data_ptr: return "DW_AT_HP_raw_data_ptr"; | |
1793 | case DW_AT_HP_pass_by_reference: return "DW_AT_HP_pass_by_reference"; | |
1794 | case DW_AT_HP_opt_level: return "DW_AT_HP_opt_level"; | |
1795 | case DW_AT_HP_prof_version_id: return "DW_AT_HP_prof_version_id"; | |
1796 | case DW_AT_HP_opt_flags: return "DW_AT_HP_opt_flags"; | |
1797 | case DW_AT_HP_cold_region_low_pc: return "DW_AT_HP_cold_region_low_pc"; | |
1798 | case DW_AT_HP_cold_region_high_pc: return "DW_AT_HP_cold_region_high_pc"; | |
1799 | case DW_AT_HP_all_variables_modifiable: return "DW_AT_HP_all_variables_modifiable"; | |
1800 | case DW_AT_HP_linkage_name: return "DW_AT_HP_linkage_name"; | |
1801 | case DW_AT_HP_prof_flags: return "DW_AT_HP_prof_flags"; | |
1802 | ||
1803 | /* One value is shared by the MIPS and HP extensions: */ | |
1804 | case DW_AT_MIPS_fde: return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable"; | |
cecf136e | 1805 | |
19e6b90e | 1806 | /* GNU extensions. */ |
2b6f5997 CC |
1807 | case DW_AT_sf_names: return "DW_AT_sf_names"; |
1808 | case DW_AT_src_info: return "DW_AT_src_info"; | |
1809 | case DW_AT_mac_info: return "DW_AT_mac_info"; | |
1810 | case DW_AT_src_coords: return "DW_AT_src_coords"; | |
1811 | case DW_AT_body_begin: return "DW_AT_body_begin"; | |
1812 | case DW_AT_body_end: return "DW_AT_body_end"; | |
1813 | case DW_AT_GNU_vector: return "DW_AT_GNU_vector"; | |
1814 | case DW_AT_GNU_guarded_by: return "DW_AT_GNU_guarded_by"; | |
1815 | case DW_AT_GNU_pt_guarded_by: return "DW_AT_GNU_pt_guarded_by"; | |
1816 | case DW_AT_GNU_guarded: return "DW_AT_GNU_guarded"; | |
1817 | case DW_AT_GNU_pt_guarded: return "DW_AT_GNU_pt_guarded"; | |
1818 | case DW_AT_GNU_locks_excluded: return "DW_AT_GNU_locks_excluded"; | |
1819 | case DW_AT_GNU_exclusive_locks_required: return "DW_AT_GNU_exclusive_locks_required"; | |
1820 | case DW_AT_GNU_shared_locks_required: return "DW_AT_GNU_shared_locks_required"; | |
1821 | case DW_AT_GNU_odr_signature: return "DW_AT_GNU_odr_signature"; | |
60a0e0e7 TG |
1822 | case DW_AT_use_GNAT_descriptive_type: return "DW_AT_use_GNAT_descriptive_type"; |
1823 | case DW_AT_GNAT_descriptive_type: return "DW_AT_GNAT_descriptive_type"; | |
e2a0d921 | 1824 | |
19e6b90e L |
1825 | /* UPC extension. */ |
1826 | case DW_AT_upc_threads_scaled: return "DW_AT_upc_threads_scaled"; | |
e2a0d921 NC |
1827 | |
1828 | /* PGI (STMicroelectronics) extensions. */ | |
1829 | case DW_AT_PGI_lbase: return "DW_AT_PGI_lbase"; | |
1830 | case DW_AT_PGI_soffset: return "DW_AT_PGI_soffset"; | |
1831 | case DW_AT_PGI_lstride: return "DW_AT_PGI_lstride"; | |
1832 | ||
19e6b90e L |
1833 | default: |
1834 | { | |
1835 | static char buffer[100]; | |
1836 | ||
1837 | snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"), | |
1838 | attribute); | |
1839 | return buffer; | |
1840 | } | |
1841 | } | |
1842 | } | |
1843 | ||
1844 | static unsigned char * | |
6e3d6dc1 NC |
1845 | read_and_display_attr (unsigned long attribute, |
1846 | unsigned long form, | |
ec4d4525 | 1847 | unsigned char * data, |
6e3d6dc1 NC |
1848 | unsigned long cu_offset, |
1849 | unsigned long pointer_size, | |
1850 | unsigned long offset_size, | |
1851 | int dwarf_version, | |
1852 | debug_info * debug_info_p, | |
1853 | int do_loc, | |
1854 | struct dwarf_section * section) | |
19e6b90e L |
1855 | { |
1856 | if (!do_loc) | |
750f03b7 | 1857 | printf (" %-18s:", get_AT_name (attribute)); |
19e6b90e L |
1858 | data = read_and_display_attr_value (attribute, form, data, cu_offset, |
1859 | pointer_size, offset_size, | |
1860 | dwarf_version, debug_info_p, | |
6e3d6dc1 | 1861 | do_loc, section); |
19e6b90e L |
1862 | if (!do_loc) |
1863 | printf ("\n"); | |
1864 | return data; | |
1865 | } | |
1866 | ||
1867 | ||
1868 | /* Process the contents of a .debug_info section. If do_loc is non-zero | |
1869 | then we are scanning for location lists and we do not want to display | |
2b6f5997 CC |
1870 | anything to the user. If do_types is non-zero, we are processing |
1871 | a .debug_types section instead of a .debug_info section. */ | |
19e6b90e L |
1872 | |
1873 | static int | |
6e3d6dc1 NC |
1874 | process_debug_info (struct dwarf_section *section, |
1875 | void *file, | |
2b6f5997 CC |
1876 | int do_loc, |
1877 | int do_types) | |
19e6b90e L |
1878 | { |
1879 | unsigned char *start = section->start; | |
1880 | unsigned char *end = start + section->size; | |
1881 | unsigned char *section_begin; | |
1882 | unsigned int unit; | |
1883 | unsigned int num_units = 0; | |
1884 | ||
1885 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
1886 | && num_debug_info_entries == 0 |
1887 | && ! do_types) | |
19e6b90e L |
1888 | { |
1889 | unsigned long length; | |
1890 | ||
1891 | /* First scan the section to get the number of comp units. */ | |
1892 | for (section_begin = start, num_units = 0; section_begin < end; | |
1893 | num_units ++) | |
1894 | { | |
1895 | /* Read the first 4 bytes. For a 32-bit DWARF section, this | |
1896 | will be the length. For a 64-bit DWARF section, it'll be | |
1897 | the escape code 0xffffffff followed by an 8 byte length. */ | |
1898 | length = byte_get (section_begin, 4); | |
1899 | ||
1900 | if (length == 0xffffffff) | |
1901 | { | |
1902 | length = byte_get (section_begin + 4, 8); | |
1903 | section_begin += length + 12; | |
1904 | } | |
ec4d4525 NC |
1905 | else if (length >= 0xfffffff0 && length < 0xffffffff) |
1906 | { | |
1907 | warn (_("Reserved length value (%lx) found in section %s\n"), length, section->name); | |
1908 | return 0; | |
1909 | } | |
19e6b90e L |
1910 | else |
1911 | section_begin += length + 4; | |
aca88567 NC |
1912 | |
1913 | /* Negative values are illegal, they may even cause infinite | |
1914 | looping. This can happen if we can't accurately apply | |
1915 | relocations to an object file. */ | |
1916 | if ((signed long) length <= 0) | |
1917 | { | |
1918 | warn (_("Corrupt unit length (%lx) found in section %s\n"), length, section->name); | |
1919 | return 0; | |
1920 | } | |
19e6b90e L |
1921 | } |
1922 | ||
1923 | if (num_units == 0) | |
1924 | { | |
1925 | error (_("No comp units in %s section ?"), section->name); | |
1926 | return 0; | |
1927 | } | |
1928 | ||
1929 | /* Then allocate an array to hold the information. */ | |
3f5e193b NC |
1930 | debug_information = (debug_info *) cmalloc (num_units, |
1931 | sizeof (* debug_information)); | |
19e6b90e L |
1932 | if (debug_information == NULL) |
1933 | { | |
1934 | error (_("Not enough memory for a debug info array of %u entries"), | |
1935 | num_units); | |
1936 | return 0; | |
1937 | } | |
1938 | } | |
1939 | ||
1940 | if (!do_loc) | |
1941 | { | |
80c35038 | 1942 | printf (_("Contents of the %s section:\n\n"), section->name); |
19e6b90e L |
1943 | |
1944 | load_debug_section (str, file); | |
1945 | } | |
1946 | ||
1947 | load_debug_section (abbrev, file); | |
1948 | if (debug_displays [abbrev].section.start == NULL) | |
1949 | { | |
1950 | warn (_("Unable to locate %s section!\n"), | |
1951 | debug_displays [abbrev].section.name); | |
1952 | return 0; | |
1953 | } | |
1954 | ||
1955 | for (section_begin = start, unit = 0; start < end; unit++) | |
1956 | { | |
1957 | DWARF2_Internal_CompUnit compunit; | |
1958 | unsigned char *hdrptr; | |
19e6b90e L |
1959 | unsigned char *tags; |
1960 | int level; | |
1961 | unsigned long cu_offset; | |
1962 | int offset_size; | |
1963 | int initial_length_size; | |
2b6f5997 CC |
1964 | unsigned char signature[8]; |
1965 | unsigned long type_offset = 0; | |
19e6b90e L |
1966 | |
1967 | hdrptr = start; | |
1968 | ||
1969 | compunit.cu_length = byte_get (hdrptr, 4); | |
1970 | hdrptr += 4; | |
1971 | ||
1972 | if (compunit.cu_length == 0xffffffff) | |
1973 | { | |
1974 | compunit.cu_length = byte_get (hdrptr, 8); | |
1975 | hdrptr += 8; | |
1976 | offset_size = 8; | |
1977 | initial_length_size = 12; | |
1978 | } | |
1979 | else | |
1980 | { | |
1981 | offset_size = 4; | |
1982 | initial_length_size = 4; | |
1983 | } | |
1984 | ||
1985 | compunit.cu_version = byte_get (hdrptr, 2); | |
1986 | hdrptr += 2; | |
1987 | ||
1988 | cu_offset = start - section_begin; | |
19e6b90e | 1989 | |
19e6b90e L |
1990 | compunit.cu_abbrev_offset = byte_get (hdrptr, offset_size); |
1991 | hdrptr += offset_size; | |
1992 | ||
1993 | compunit.cu_pointer_size = byte_get (hdrptr, 1); | |
1994 | hdrptr += 1; | |
2b6f5997 CC |
1995 | |
1996 | if (do_types) | |
1997 | { | |
1998 | int i; | |
1999 | ||
2000 | for (i = 0; i < 8; i++) | |
2001 | { | |
2002 | signature[i] = byte_get (hdrptr, 1); | |
2003 | hdrptr += 1; | |
2004 | } | |
2005 | ||
2006 | type_offset = byte_get (hdrptr, offset_size); | |
2007 | hdrptr += offset_size; | |
2008 | } | |
2009 | ||
19e6b90e | 2010 | if ((do_loc || do_debug_loc || do_debug_ranges) |
2b6f5997 CC |
2011 | && num_debug_info_entries == 0 |
2012 | && ! do_types) | |
19e6b90e L |
2013 | { |
2014 | debug_information [unit].cu_offset = cu_offset; | |
2015 | debug_information [unit].pointer_size | |
2016 | = compunit.cu_pointer_size; | |
2017 | debug_information [unit].base_address = 0; | |
2018 | debug_information [unit].loc_offsets = NULL; | |
2019 | debug_information [unit].have_frame_base = NULL; | |
2020 | debug_information [unit].max_loc_offsets = 0; | |
2021 | debug_information [unit].num_loc_offsets = 0; | |
2022 | debug_information [unit].range_lists = NULL; | |
2023 | debug_information [unit].max_range_lists= 0; | |
2024 | debug_information [unit].num_range_lists = 0; | |
2025 | } | |
2026 | ||
19e6b90e L |
2027 | if (!do_loc) |
2028 | { | |
2029 | printf (_(" Compilation Unit @ offset 0x%lx:\n"), cu_offset); | |
cc86f28f NC |
2030 | printf (_(" Length: 0x%lx (%s)\n"), compunit.cu_length, |
2031 | initial_length_size == 8 ? "64-bit" : "32-bit"); | |
19e6b90e L |
2032 | printf (_(" Version: %d\n"), compunit.cu_version); |
2033 | printf (_(" Abbrev Offset: %ld\n"), compunit.cu_abbrev_offset); | |
2034 | printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size); | |
2b6f5997 CC |
2035 | if (do_types) |
2036 | { | |
2037 | int i; | |
2038 | printf (_(" Signature: ")); | |
2039 | for (i = 0; i < 8; i++) | |
2040 | printf ("%02x", signature[i]); | |
2041 | printf ("\n"); | |
2042 | printf (_(" Type Offset: 0x%lx\n"), type_offset); | |
2043 | } | |
19e6b90e L |
2044 | } |
2045 | ||
460c89ff NS |
2046 | if (cu_offset + compunit.cu_length + initial_length_size |
2047 | > section->size) | |
2048 | { | |
ec4d4525 NC |
2049 | warn (_("Debug info is corrupted, length of CU at %lx extends beyond end of section (length = %lx)\n"), |
2050 | cu_offset, compunit.cu_length); | |
460c89ff NS |
2051 | break; |
2052 | } | |
2053 | tags = hdrptr; | |
2054 | start += compunit.cu_length + initial_length_size; | |
2055 | ||
932fd279 JJ |
2056 | if (compunit.cu_version != 2 |
2057 | && compunit.cu_version != 3 | |
2058 | && compunit.cu_version != 4) | |
19e6b90e | 2059 | { |
1febe64d NC |
2060 | warn (_("CU at offset %lx contains corrupt or unsupported version number: %d.\n"), |
2061 | cu_offset, compunit.cu_version); | |
19e6b90e L |
2062 | continue; |
2063 | } | |
2064 | ||
2065 | free_abbrevs (); | |
2066 | ||
bfe2612a L |
2067 | /* Process the abbrevs used by this compilation unit. DWARF |
2068 | sections under Mach-O have non-zero addresses. */ | |
460c89ff | 2069 | if (compunit.cu_abbrev_offset >= debug_displays [abbrev].section.size) |
ec4d4525 NC |
2070 | warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"), |
2071 | (unsigned long) compunit.cu_abbrev_offset, | |
2072 | (unsigned long) debug_displays [abbrev].section.size); | |
460c89ff NS |
2073 | else |
2074 | process_abbrev_section | |
2075 | ((unsigned char *) debug_displays [abbrev].section.start | |
2076 | + compunit.cu_abbrev_offset - debug_displays [abbrev].section.address, | |
2077 | (unsigned char *) debug_displays [abbrev].section.start | |
2078 | + debug_displays [abbrev].section.size); | |
19e6b90e L |
2079 | |
2080 | level = 0; | |
2081 | while (tags < start) | |
2082 | { | |
2083 | unsigned int bytes_read; | |
2084 | unsigned long abbrev_number; | |
ec4d4525 | 2085 | unsigned long die_offset; |
19e6b90e L |
2086 | abbrev_entry *entry; |
2087 | abbrev_attr *attr; | |
2088 | ||
ec4d4525 NC |
2089 | die_offset = tags - section_begin; |
2090 | ||
19e6b90e L |
2091 | abbrev_number = read_leb128 (tags, & bytes_read, 0); |
2092 | tags += bytes_read; | |
2093 | ||
eb7cc021 JK |
2094 | /* A null DIE marks the end of a list of siblings or it may also be |
2095 | a section padding. */ | |
19e6b90e L |
2096 | if (abbrev_number == 0) |
2097 | { | |
eb7cc021 JK |
2098 | /* Check if it can be a section padding for the last CU. */ |
2099 | if (level == 0 && start == end) | |
2100 | { | |
2101 | unsigned char *chk; | |
2102 | ||
2103 | for (chk = tags; chk < start; chk++) | |
2104 | if (*chk != 0) | |
2105 | break; | |
2106 | if (chk == start) | |
2107 | break; | |
2108 | } | |
2109 | ||
19e6b90e | 2110 | --level; |
ec4d4525 NC |
2111 | if (level < 0) |
2112 | { | |
2113 | static unsigned num_bogus_warns = 0; | |
2114 | ||
2115 | if (num_bogus_warns < 3) | |
2116 | { | |
2117 | warn (_("Bogus end-of-siblings marker detected at offset %lx in .debug_info section\n"), | |
2118 | die_offset); | |
2119 | num_bogus_warns ++; | |
2120 | if (num_bogus_warns == 3) | |
2121 | warn (_("Further warnings about bogus end-of-sibling markers suppressed\n")); | |
2122 | } | |
2123 | } | |
19e6b90e L |
2124 | continue; |
2125 | } | |
2126 | ||
4b78141a NC |
2127 | if (!do_loc) |
2128 | printf (_(" <%d><%lx>: Abbrev Number: %lu"), | |
ec4d4525 | 2129 | level, die_offset, abbrev_number); |
cecf136e | 2130 | |
19e6b90e L |
2131 | /* Scan through the abbreviation list until we reach the |
2132 | correct entry. */ | |
2133 | for (entry = first_abbrev; | |
2134 | entry && entry->entry != abbrev_number; | |
2135 | entry = entry->next) | |
2136 | continue; | |
2137 | ||
2138 | if (entry == NULL) | |
2139 | { | |
4b78141a NC |
2140 | if (!do_loc) |
2141 | { | |
2142 | printf ("\n"); | |
2143 | fflush (stdout); | |
2144 | } | |
cc86f28f NC |
2145 | warn (_("DIE at offset %lx refers to abbreviation number %lu which does not exist\n"), |
2146 | die_offset, abbrev_number); | |
19e6b90e L |
2147 | return 0; |
2148 | } | |
2149 | ||
2150 | if (!do_loc) | |
4b78141a | 2151 | printf (_(" (%s)\n"), get_TAG_name (entry->tag)); |
cecf136e | 2152 | |
19e6b90e L |
2153 | switch (entry->tag) |
2154 | { | |
2155 | default: | |
2156 | need_base_address = 0; | |
2157 | break; | |
2158 | case DW_TAG_compile_unit: | |
2159 | need_base_address = 1; | |
2160 | break; | |
2161 | case DW_TAG_entry_point: | |
19e6b90e L |
2162 | case DW_TAG_subprogram: |
2163 | need_base_address = 0; | |
2164 | /* Assuming that there is no DW_AT_frame_base. */ | |
2165 | have_frame_base = 0; | |
2166 | break; | |
2167 | } | |
2168 | ||
2169 | for (attr = entry->first_attr; attr; attr = attr->next) | |
4b78141a NC |
2170 | { |
2171 | if (! do_loc) | |
2172 | /* Show the offset from where the tag was extracted. */ | |
750f03b7 | 2173 | printf (" <%2lx>", (unsigned long)(tags - section_begin)); |
4b78141a NC |
2174 | |
2175 | tags = read_and_display_attr (attr->attribute, | |
2176 | attr->form, | |
2177 | tags, cu_offset, | |
2178 | compunit.cu_pointer_size, | |
2179 | offset_size, | |
2180 | compunit.cu_version, | |
ec4d4525 | 2181 | debug_information + unit, |
6e3d6dc1 | 2182 | do_loc, section); |
4b78141a | 2183 | } |
cecf136e | 2184 | |
19e6b90e L |
2185 | if (entry->children) |
2186 | ++level; | |
2187 | } | |
2188 | } | |
cecf136e | 2189 | |
19e6b90e L |
2190 | /* Set num_debug_info_entries here so that it can be used to check if |
2191 | we need to process .debug_loc and .debug_ranges sections. */ | |
2192 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
2193 | && num_debug_info_entries == 0 |
2194 | && ! do_types) | |
19e6b90e | 2195 | num_debug_info_entries = num_units; |
cecf136e | 2196 | |
19e6b90e L |
2197 | if (!do_loc) |
2198 | { | |
2199 | printf ("\n"); | |
2200 | } | |
cecf136e | 2201 | |
19e6b90e L |
2202 | return 1; |
2203 | } | |
2204 | ||
2205 | /* Locate and scan the .debug_info section in the file and record the pointer | |
2206 | sizes and offsets for the compilation units in it. Usually an executable | |
2207 | will have just one pointer size, but this is not guaranteed, and so we try | |
2208 | not to make any assumptions. Returns zero upon failure, or the number of | |
2209 | compilation units upon success. */ | |
2210 | ||
2211 | static unsigned int | |
2212 | load_debug_info (void * file) | |
2213 | { | |
2214 | /* Reset the last pointer size so that we can issue correct error | |
2215 | messages if we are displaying the contents of more than one section. */ | |
2216 | last_pointer_size = 0; | |
2217 | warned_about_missing_comp_units = FALSE; | |
2218 | ||
1febe64d NC |
2219 | /* If we have already tried and failed to load the .debug_info |
2220 | section then do not bother to repear the task. */ | |
cc86f28f | 2221 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) |
1febe64d NC |
2222 | return 0; |
2223 | ||
19e6b90e L |
2224 | /* If we already have the information there is nothing else to do. */ |
2225 | if (num_debug_info_entries > 0) | |
2226 | return num_debug_info_entries; | |
2227 | ||
2228 | if (load_debug_section (info, file) | |
2b6f5997 | 2229 | && process_debug_info (&debug_displays [info].section, file, 1, 0)) |
19e6b90e | 2230 | return num_debug_info_entries; |
1febe64d | 2231 | |
cc86f28f | 2232 | num_debug_info_entries = DEBUG_INFO_UNAVAILABLE; |
1febe64d | 2233 | return 0; |
19e6b90e L |
2234 | } |
2235 | ||
19e6b90e | 2236 | static int |
a262ae96 NC |
2237 | display_debug_lines_raw (struct dwarf_section *section, |
2238 | unsigned char *data, | |
2239 | unsigned char *end) | |
19e6b90e L |
2240 | { |
2241 | unsigned char *start = section->start; | |
19e6b90e | 2242 | |
a262ae96 NC |
2243 | printf (_("Raw dump of debug contents of section %s:\n\n"), |
2244 | section->name); | |
19e6b90e L |
2245 | |
2246 | while (data < end) | |
2247 | { | |
91d6fa6a | 2248 | DWARF2_Internal_LineInfo linfo; |
19e6b90e L |
2249 | unsigned char *standard_opcodes; |
2250 | unsigned char *end_of_sequence; | |
2251 | unsigned char *hdrptr; | |
6523721c | 2252 | unsigned long hdroff; |
19e6b90e L |
2253 | int initial_length_size; |
2254 | int offset_size; | |
2255 | int i; | |
2256 | ||
2257 | hdrptr = data; | |
6523721c | 2258 | hdroff = hdrptr - start; |
19e6b90e L |
2259 | |
2260 | /* Check the length of the block. */ | |
91d6fa6a | 2261 | linfo.li_length = byte_get (hdrptr, 4); |
19e6b90e L |
2262 | hdrptr += 4; |
2263 | ||
91d6fa6a | 2264 | if (linfo.li_length == 0xffffffff) |
19e6b90e L |
2265 | { |
2266 | /* This section is 64-bit DWARF 3. */ | |
91d6fa6a | 2267 | linfo.li_length = byte_get (hdrptr, 8); |
19e6b90e L |
2268 | hdrptr += 8; |
2269 | offset_size = 8; | |
2270 | initial_length_size = 12; | |
2271 | } | |
2272 | else | |
2273 | { | |
2274 | offset_size = 4; | |
2275 | initial_length_size = 4; | |
2276 | } | |
2277 | ||
91d6fa6a | 2278 | if (linfo.li_length + initial_length_size > section->size) |
19e6b90e L |
2279 | { |
2280 | warn | |
cf13d699 NC |
2281 | (_("The information in section %s appears to be corrupt - the section is too small\n"), |
2282 | section->name); | |
19e6b90e L |
2283 | return 0; |
2284 | } | |
2285 | ||
2286 | /* Check its version number. */ | |
91d6fa6a | 2287 | linfo.li_version = byte_get (hdrptr, 2); |
19e6b90e | 2288 | hdrptr += 2; |
932fd279 JJ |
2289 | if (linfo.li_version != 2 |
2290 | && linfo.li_version != 3 | |
2291 | && linfo.li_version != 4) | |
19e6b90e | 2292 | { |
932fd279 | 2293 | warn (_("Only DWARF version 2, 3 and 4 line info is currently supported.\n")); |
19e6b90e L |
2294 | return 0; |
2295 | } | |
2296 | ||
91d6fa6a | 2297 | linfo.li_prologue_length = byte_get (hdrptr, offset_size); |
19e6b90e | 2298 | hdrptr += offset_size; |
91d6fa6a | 2299 | linfo.li_min_insn_length = byte_get (hdrptr, 1); |
19e6b90e | 2300 | hdrptr++; |
a233b20c JJ |
2301 | if (linfo.li_version >= 4) |
2302 | { | |
2303 | linfo.li_max_ops_per_insn = byte_get (hdrptr, 1); | |
2304 | hdrptr++; | |
2305 | if (linfo.li_max_ops_per_insn == 0) | |
2306 | { | |
2307 | warn (_("Invalid maximum operations per insn.\n")); | |
2308 | return 0; | |
2309 | } | |
2310 | } | |
2311 | else | |
2312 | linfo.li_max_ops_per_insn = 1; | |
91d6fa6a | 2313 | linfo.li_default_is_stmt = byte_get (hdrptr, 1); |
19e6b90e | 2314 | hdrptr++; |
91d6fa6a | 2315 | linfo.li_line_base = byte_get (hdrptr, 1); |
19e6b90e | 2316 | hdrptr++; |
91d6fa6a | 2317 | linfo.li_line_range = byte_get (hdrptr, 1); |
19e6b90e | 2318 | hdrptr++; |
91d6fa6a | 2319 | linfo.li_opcode_base = byte_get (hdrptr, 1); |
19e6b90e L |
2320 | hdrptr++; |
2321 | ||
2322 | /* Sign extend the line base field. */ | |
91d6fa6a NC |
2323 | linfo.li_line_base <<= 24; |
2324 | linfo.li_line_base >>= 24; | |
19e6b90e | 2325 | |
6523721c | 2326 | printf (_(" Offset: 0x%lx\n"), hdroff); |
91d6fa6a NC |
2327 | printf (_(" Length: %ld\n"), linfo.li_length); |
2328 | printf (_(" DWARF Version: %d\n"), linfo.li_version); | |
2329 | printf (_(" Prologue Length: %d\n"), linfo.li_prologue_length); | |
2330 | printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length); | |
a233b20c JJ |
2331 | if (linfo.li_version >= 4) |
2332 | printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn); | |
91d6fa6a NC |
2333 | printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt); |
2334 | printf (_(" Line Base: %d\n"), linfo.li_line_base); | |
2335 | printf (_(" Line Range: %d\n"), linfo.li_line_range); | |
2336 | printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base); | |
19e6b90e | 2337 | |
91d6fa6a | 2338 | end_of_sequence = data + linfo.li_length + initial_length_size; |
19e6b90e | 2339 | |
91d6fa6a | 2340 | reset_state_machine (linfo.li_default_is_stmt); |
19e6b90e L |
2341 | |
2342 | /* Display the contents of the Opcodes table. */ | |
2343 | standard_opcodes = hdrptr; | |
2344 | ||
2345 | printf (_("\n Opcodes:\n")); | |
2346 | ||
91d6fa6a | 2347 | for (i = 1; i < linfo.li_opcode_base; i++) |
19e6b90e L |
2348 | printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]); |
2349 | ||
2350 | /* Display the contents of the Directory table. */ | |
91d6fa6a | 2351 | data = standard_opcodes + linfo.li_opcode_base - 1; |
19e6b90e L |
2352 | |
2353 | if (*data == 0) | |
2354 | printf (_("\n The Directory Table is empty.\n")); | |
2355 | else | |
2356 | { | |
2357 | printf (_("\n The Directory Table:\n")); | |
2358 | ||
2359 | while (*data != 0) | |
2360 | { | |
2361 | printf (_(" %s\n"), data); | |
2362 | ||
2363 | data += strlen ((char *) data) + 1; | |
2364 | } | |
2365 | } | |
2366 | ||
2367 | /* Skip the NUL at the end of the table. */ | |
2368 | data++; | |
2369 | ||
2370 | /* Display the contents of the File Name table. */ | |
2371 | if (*data == 0) | |
2372 | printf (_("\n The File Name Table is empty.\n")); | |
2373 | else | |
2374 | { | |
2375 | printf (_("\n The File Name Table:\n")); | |
2376 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); | |
2377 | ||
2378 | while (*data != 0) | |
2379 | { | |
2380 | unsigned char *name; | |
2381 | unsigned int bytes_read; | |
2382 | ||
2383 | printf (_(" %d\t"), ++state_machine_regs.last_file_entry); | |
2384 | name = data; | |
2385 | ||
2386 | data += strlen ((char *) data) + 1; | |
2387 | ||
2388 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |
2389 | data += bytes_read; | |
2390 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |
2391 | data += bytes_read; | |
2392 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |
2393 | data += bytes_read; | |
2394 | printf (_("%s\n"), name); | |
2395 | } | |
2396 | } | |
2397 | ||
2398 | /* Skip the NUL at the end of the table. */ | |
2399 | data++; | |
2400 | ||
2401 | /* Now display the statements. */ | |
2402 | printf (_("\n Line Number Statements:\n")); | |
2403 | ||
2404 | while (data < end_of_sequence) | |
2405 | { | |
2406 | unsigned char op_code; | |
2407 | int adv; | |
2408 | unsigned long int uladv; | |
2409 | unsigned int bytes_read; | |
2410 | ||
2411 | op_code = *data++; | |
2412 | ||
91d6fa6a | 2413 | if (op_code >= linfo.li_opcode_base) |
19e6b90e | 2414 | { |
91d6fa6a | 2415 | op_code -= linfo.li_opcode_base; |
a233b20c JJ |
2416 | uladv = (op_code / linfo.li_line_range); |
2417 | if (linfo.li_max_ops_per_insn == 1) | |
2418 | { | |
2419 | uladv *= linfo.li_min_insn_length; | |
2420 | state_machine_regs.address += uladv; | |
2421 | printf (_(" Special opcode %d: advance Address by %lu to 0x%lx"), | |
2422 | op_code, uladv, state_machine_regs.address); | |
2423 | } | |
2424 | else | |
2425 | { | |
2426 | state_machine_regs.address | |
2427 | += ((state_machine_regs.op_index + uladv) | |
2428 | / linfo.li_max_ops_per_insn) | |
2429 | * linfo.li_min_insn_length; | |
2430 | state_machine_regs.op_index | |
2431 | = (state_machine_regs.op_index + uladv) | |
2432 | % linfo.li_max_ops_per_insn; | |
2433 | printf (_(" Special opcode %d: advance Address by %lu to 0x%lx[%d]"), | |
2434 | op_code, uladv, state_machine_regs.address, | |
2435 | state_machine_regs.op_index); | |
2436 | } | |
91d6fa6a | 2437 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; |
19e6b90e L |
2438 | state_machine_regs.line += adv; |
2439 | printf (_(" and Line by %d to %d\n"), | |
2440 | adv, state_machine_regs.line); | |
2441 | } | |
2442 | else switch (op_code) | |
2443 | { | |
2444 | case DW_LNS_extended_op: | |
91d6fa6a | 2445 | data += process_extended_line_op (data, linfo.li_default_is_stmt); |
19e6b90e L |
2446 | break; |
2447 | ||
2448 | case DW_LNS_copy: | |
2449 | printf (_(" Copy\n")); | |
2450 | break; | |
2451 | ||
2452 | case DW_LNS_advance_pc: | |
2453 | uladv = read_leb128 (data, & bytes_read, 0); | |
19e6b90e | 2454 | data += bytes_read; |
a233b20c JJ |
2455 | if (linfo.li_max_ops_per_insn == 1) |
2456 | { | |
2457 | uladv *= linfo.li_min_insn_length; | |
2458 | state_machine_regs.address += uladv; | |
2459 | printf (_(" Advance PC by %lu to 0x%lx\n"), uladv, | |
2460 | state_machine_regs.address); | |
2461 | } | |
2462 | else | |
2463 | { | |
2464 | state_machine_regs.address | |
2465 | += ((state_machine_regs.op_index + uladv) | |
2466 | / linfo.li_max_ops_per_insn) | |
2467 | * linfo.li_min_insn_length; | |
2468 | state_machine_regs.op_index | |
2469 | = (state_machine_regs.op_index + uladv) | |
2470 | % linfo.li_max_ops_per_insn; | |
2471 | printf (_(" Advance PC by %lu to 0x%lx[%d]\n"), uladv, | |
2472 | state_machine_regs.address, | |
2473 | state_machine_regs.op_index); | |
2474 | } | |
19e6b90e L |
2475 | break; |
2476 | ||
2477 | case DW_LNS_advance_line: | |
2478 | adv = read_leb128 (data, & bytes_read, 1); | |
2479 | data += bytes_read; | |
2480 | state_machine_regs.line += adv; | |
2481 | printf (_(" Advance Line by %d to %d\n"), adv, | |
2482 | state_machine_regs.line); | |
2483 | break; | |
2484 | ||
2485 | case DW_LNS_set_file: | |
2486 | adv = read_leb128 (data, & bytes_read, 0); | |
2487 | data += bytes_read; | |
2488 | printf (_(" Set File Name to entry %d in the File Name Table\n"), | |
2489 | adv); | |
2490 | state_machine_regs.file = adv; | |
2491 | break; | |
2492 | ||
2493 | case DW_LNS_set_column: | |
2494 | uladv = read_leb128 (data, & bytes_read, 0); | |
2495 | data += bytes_read; | |
2496 | printf (_(" Set column to %lu\n"), uladv); | |
2497 | state_machine_regs.column = uladv; | |
2498 | break; | |
2499 | ||
2500 | case DW_LNS_negate_stmt: | |
2501 | adv = state_machine_regs.is_stmt; | |
2502 | adv = ! adv; | |
2503 | printf (_(" Set is_stmt to %d\n"), adv); | |
2504 | state_machine_regs.is_stmt = adv; | |
2505 | break; | |
2506 | ||
2507 | case DW_LNS_set_basic_block: | |
2508 | printf (_(" Set basic block\n")); | |
2509 | state_machine_regs.basic_block = 1; | |
2510 | break; | |
2511 | ||
2512 | case DW_LNS_const_add_pc: | |
a233b20c JJ |
2513 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); |
2514 | if (linfo.li_max_ops_per_insn) | |
2515 | { | |
2516 | uladv *= linfo.li_min_insn_length; | |
2517 | state_machine_regs.address += uladv; | |
2518 | printf (_(" Advance PC by constant %lu to 0x%lx\n"), uladv, | |
2519 | state_machine_regs.address); | |
2520 | } | |
2521 | else | |
2522 | { | |
2523 | state_machine_regs.address | |
2524 | += ((state_machine_regs.op_index + uladv) | |
2525 | / linfo.li_max_ops_per_insn) | |
2526 | * linfo.li_min_insn_length; | |
2527 | state_machine_regs.op_index | |
2528 | = (state_machine_regs.op_index + uladv) | |
2529 | % linfo.li_max_ops_per_insn; | |
2530 | printf (_(" Advance PC by constant %lu to 0x%lx[%d]\n"), | |
2531 | uladv, state_machine_regs.address, | |
2532 | state_machine_regs.op_index); | |
2533 | } | |
19e6b90e L |
2534 | break; |
2535 | ||
2536 | case DW_LNS_fixed_advance_pc: | |
2537 | uladv = byte_get (data, 2); | |
2538 | data += 2; | |
2539 | state_machine_regs.address += uladv; | |
a233b20c | 2540 | state_machine_regs.op_index = 0; |
19e6b90e L |
2541 | printf (_(" Advance PC by fixed size amount %lu to 0x%lx\n"), |
2542 | uladv, state_machine_regs.address); | |
2543 | break; | |
2544 | ||
2545 | case DW_LNS_set_prologue_end: | |
2546 | printf (_(" Set prologue_end to true\n")); | |
2547 | break; | |
2548 | ||
2549 | case DW_LNS_set_epilogue_begin: | |
2550 | printf (_(" Set epilogue_begin to true\n")); | |
2551 | break; | |
2552 | ||
2553 | case DW_LNS_set_isa: | |
2554 | uladv = read_leb128 (data, & bytes_read, 0); | |
2555 | data += bytes_read; | |
2556 | printf (_(" Set ISA to %lu\n"), uladv); | |
2557 | break; | |
2558 | ||
2559 | default: | |
2560 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
2561 | ||
2562 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
2563 | { | |
2564 | printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0), | |
2565 | i == 1 ? "" : ", "); | |
2566 | data += bytes_read; | |
2567 | } | |
2568 | putchar ('\n'); | |
2569 | break; | |
2570 | } | |
2571 | } | |
2572 | putchar ('\n'); | |
2573 | } | |
2574 | ||
2575 | return 1; | |
2576 | } | |
2577 | ||
a262ae96 NC |
2578 | typedef struct |
2579 | { | |
2580 | unsigned char *name; | |
2581 | unsigned int directory_index; | |
2582 | unsigned int modification_date; | |
2583 | unsigned int length; | |
2584 | } File_Entry; | |
2585 | ||
2586 | /* Output a decoded representation of the .debug_line section. */ | |
2587 | ||
2588 | static int | |
2589 | display_debug_lines_decoded (struct dwarf_section *section, | |
2590 | unsigned char *data, | |
2591 | unsigned char *end) | |
2592 | { | |
2593 | printf (_("Decoded dump of debug contents of section %s:\n\n"), | |
2594 | section->name); | |
2595 | ||
2596 | while (data < end) | |
2597 | { | |
2598 | /* This loop amounts to one iteration per compilation unit. */ | |
91d6fa6a | 2599 | DWARF2_Internal_LineInfo linfo; |
a262ae96 NC |
2600 | unsigned char *standard_opcodes; |
2601 | unsigned char *end_of_sequence; | |
2602 | unsigned char *hdrptr; | |
2603 | int initial_length_size; | |
2604 | int offset_size; | |
2605 | int i; | |
2606 | File_Entry *file_table = NULL; | |
2607 | unsigned char **directory_table = NULL; | |
a262ae96 NC |
2608 | |
2609 | hdrptr = data; | |
2610 | ||
2611 | /* Extract information from the Line Number Program Header. | |
2612 | (section 6.2.4 in the Dwarf3 doc). */ | |
2613 | ||
2614 | /* Get the length of this CU's line number information block. */ | |
91d6fa6a | 2615 | linfo.li_length = byte_get (hdrptr, 4); |
a262ae96 NC |
2616 | hdrptr += 4; |
2617 | ||
91d6fa6a | 2618 | if (linfo.li_length == 0xffffffff) |
a262ae96 NC |
2619 | { |
2620 | /* This section is 64-bit DWARF 3. */ | |
91d6fa6a | 2621 | linfo.li_length = byte_get (hdrptr, 8); |
a262ae96 NC |
2622 | hdrptr += 8; |
2623 | offset_size = 8; | |
2624 | initial_length_size = 12; | |
2625 | } | |
2626 | else | |
2627 | { | |
2628 | offset_size = 4; | |
2629 | initial_length_size = 4; | |
2630 | } | |
2631 | ||
91d6fa6a | 2632 | if (linfo.li_length + initial_length_size > section->size) |
a262ae96 NC |
2633 | { |
2634 | warn (_("The line info appears to be corrupt - " | |
2635 | "the section is too small\n")); | |
2636 | return 0; | |
2637 | } | |
2638 | ||
2639 | /* Get this CU's Line Number Block version number. */ | |
91d6fa6a | 2640 | linfo.li_version = byte_get (hdrptr, 2); |
a262ae96 | 2641 | hdrptr += 2; |
932fd279 JJ |
2642 | if (linfo.li_version != 2 |
2643 | && linfo.li_version != 3 | |
2644 | && linfo.li_version != 4) | |
a262ae96 | 2645 | { |
932fd279 | 2646 | warn (_("Only DWARF version 2, 3 and 4 line info is currently " |
a262ae96 NC |
2647 | "supported.\n")); |
2648 | return 0; | |
2649 | } | |
2650 | ||
91d6fa6a | 2651 | linfo.li_prologue_length = byte_get (hdrptr, offset_size); |
a262ae96 | 2652 | hdrptr += offset_size; |
91d6fa6a | 2653 | linfo.li_min_insn_length = byte_get (hdrptr, 1); |
a262ae96 | 2654 | hdrptr++; |
a233b20c JJ |
2655 | if (linfo.li_version >= 4) |
2656 | { | |
2657 | linfo.li_max_ops_per_insn = byte_get (hdrptr, 1); | |
2658 | hdrptr++; | |
2659 | if (linfo.li_max_ops_per_insn == 0) | |
2660 | { | |
2661 | warn (_("Invalid maximum operations per insn.\n")); | |
2662 | return 0; | |
2663 | } | |
2664 | } | |
2665 | else | |
2666 | linfo.li_max_ops_per_insn = 1; | |
91d6fa6a | 2667 | linfo.li_default_is_stmt = byte_get (hdrptr, 1); |
a262ae96 | 2668 | hdrptr++; |
91d6fa6a | 2669 | linfo.li_line_base = byte_get (hdrptr, 1); |
a262ae96 | 2670 | hdrptr++; |
91d6fa6a | 2671 | linfo.li_line_range = byte_get (hdrptr, 1); |
a262ae96 | 2672 | hdrptr++; |
91d6fa6a | 2673 | linfo.li_opcode_base = byte_get (hdrptr, 1); |
a262ae96 NC |
2674 | hdrptr++; |
2675 | ||
2676 | /* Sign extend the line base field. */ | |
91d6fa6a NC |
2677 | linfo.li_line_base <<= 24; |
2678 | linfo.li_line_base >>= 24; | |
a262ae96 NC |
2679 | |
2680 | /* Find the end of this CU's Line Number Information Block. */ | |
91d6fa6a | 2681 | end_of_sequence = data + linfo.li_length + initial_length_size; |
a262ae96 | 2682 | |
91d6fa6a | 2683 | reset_state_machine (linfo.li_default_is_stmt); |
a262ae96 NC |
2684 | |
2685 | /* Save a pointer to the contents of the Opcodes table. */ | |
2686 | standard_opcodes = hdrptr; | |
2687 | ||
2688 | /* Traverse the Directory table just to count entries. */ | |
91d6fa6a | 2689 | data = standard_opcodes + linfo.li_opcode_base - 1; |
a262ae96 NC |
2690 | if (*data != 0) |
2691 | { | |
2692 | unsigned int n_directories = 0; | |
2693 | unsigned char *ptr_directory_table = data; | |
a262ae96 NC |
2694 | |
2695 | while (*data != 0) | |
2696 | { | |
2697 | data += strlen ((char *) data) + 1; | |
2698 | n_directories++; | |
2699 | } | |
2700 | ||
2701 | /* Go through the directory table again to save the directories. */ | |
3f5e193b NC |
2702 | directory_table = (unsigned char **) |
2703 | xmalloc (n_directories * sizeof (unsigned char *)); | |
a262ae96 NC |
2704 | |
2705 | i = 0; | |
2706 | while (*ptr_directory_table != 0) | |
2707 | { | |
2708 | directory_table[i] = ptr_directory_table; | |
2709 | ptr_directory_table += strlen ((char *) ptr_directory_table) + 1; | |
2710 | i++; | |
2711 | } | |
2712 | } | |
2713 | /* Skip the NUL at the end of the table. */ | |
2714 | data++; | |
2715 | ||
2716 | /* Traverse the File Name table just to count the entries. */ | |
2717 | if (*data != 0) | |
2718 | { | |
2719 | unsigned int n_files = 0; | |
2720 | unsigned char *ptr_file_name_table = data; | |
a262ae96 NC |
2721 | |
2722 | while (*data != 0) | |
2723 | { | |
2724 | unsigned int bytes_read; | |
2725 | ||
2726 | /* Skip Name, directory index, last modification time and length | |
2727 | of file. */ | |
2728 | data += strlen ((char *) data) + 1; | |
2729 | read_leb128 (data, & bytes_read, 0); | |
2730 | data += bytes_read; | |
2731 | read_leb128 (data, & bytes_read, 0); | |
2732 | data += bytes_read; | |
2733 | read_leb128 (data, & bytes_read, 0); | |
2734 | data += bytes_read; | |
2735 | ||
2736 | n_files++; | |
2737 | } | |
2738 | ||
2739 | /* Go through the file table again to save the strings. */ | |
3f5e193b | 2740 | file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry)); |
a262ae96 NC |
2741 | |
2742 | i = 0; | |
2743 | while (*ptr_file_name_table != 0) | |
2744 | { | |
2745 | unsigned int bytes_read; | |
2746 | ||
2747 | file_table[i].name = ptr_file_name_table; | |
2748 | ptr_file_name_table += strlen ((char *) ptr_file_name_table) + 1; | |
2749 | ||
2750 | /* We are not interested in directory, time or size. */ | |
2751 | file_table[i].directory_index = read_leb128 (ptr_file_name_table, | |
2752 | & bytes_read, 0); | |
2753 | ptr_file_name_table += bytes_read; | |
2754 | file_table[i].modification_date = read_leb128 (ptr_file_name_table, | |
2755 | & bytes_read, 0); | |
2756 | ptr_file_name_table += bytes_read; | |
2757 | file_table[i].length = read_leb128 (ptr_file_name_table, & bytes_read, 0); | |
2758 | ptr_file_name_table += bytes_read; | |
2759 | i++; | |
2760 | } | |
2761 | i = 0; | |
2762 | ||
2763 | /* Print the Compilation Unit's name and a header. */ | |
2764 | if (directory_table == NULL) | |
2765 | { | |
2766 | printf (_("CU: %s:\n"), file_table[0].name); | |
2767 | printf (_("File name Line number Starting address\n")); | |
2768 | } | |
2769 | else | |
2770 | { | |
2771 | if (do_wide || strlen ((char *) directory_table[0]) < 76) | |
2772 | { | |
2773 | printf (_("CU: %s/%s:\n"), directory_table[0], | |
2774 | file_table[0].name); | |
2775 | } | |
2776 | else | |
2777 | { | |
2778 | printf (_("%s:\n"), file_table[0].name); | |
2779 | } | |
2780 | printf (_("File name Line number Starting address\n")); | |
2781 | } | |
2782 | } | |
2783 | ||
2784 | /* Skip the NUL at the end of the table. */ | |
2785 | data++; | |
2786 | ||
2787 | /* This loop iterates through the Dwarf Line Number Program. */ | |
2788 | while (data < end_of_sequence) | |
2789 | { | |
2790 | unsigned char op_code; | |
2791 | int adv; | |
2792 | unsigned long int uladv; | |
2793 | unsigned int bytes_read; | |
2794 | int is_special_opcode = 0; | |
2795 | ||
2796 | op_code = *data++; | |
a262ae96 | 2797 | |
91d6fa6a | 2798 | if (op_code >= linfo.li_opcode_base) |
a262ae96 | 2799 | { |
91d6fa6a | 2800 | op_code -= linfo.li_opcode_base; |
a233b20c JJ |
2801 | uladv = (op_code / linfo.li_line_range); |
2802 | if (linfo.li_max_ops_per_insn == 1) | |
2803 | { | |
2804 | uladv *= linfo.li_min_insn_length; | |
2805 | state_machine_regs.address += uladv; | |
2806 | } | |
2807 | else | |
2808 | { | |
2809 | state_machine_regs.address | |
2810 | += ((state_machine_regs.op_index + uladv) | |
2811 | / linfo.li_max_ops_per_insn) | |
2812 | * linfo.li_min_insn_length; | |
2813 | state_machine_regs.op_index | |
2814 | = (state_machine_regs.op_index + uladv) | |
2815 | % linfo.li_max_ops_per_insn; | |
2816 | } | |
a262ae96 | 2817 | |
91d6fa6a | 2818 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; |
a262ae96 NC |
2819 | state_machine_regs.line += adv; |
2820 | is_special_opcode = 1; | |
2821 | } | |
2822 | else switch (op_code) | |
2823 | { | |
2824 | case DW_LNS_extended_op: | |
2825 | { | |
2826 | unsigned int ext_op_code_len; | |
a262ae96 NC |
2827 | unsigned char ext_op_code; |
2828 | unsigned char *op_code_data = data; | |
2829 | ||
2830 | ext_op_code_len = read_leb128 (op_code_data, &bytes_read, 0); | |
2831 | op_code_data += bytes_read; | |
2832 | ||
2833 | if (ext_op_code_len == 0) | |
2834 | { | |
2835 | warn (_("badly formed extended line op encountered!\n")); | |
2836 | break; | |
2837 | } | |
2838 | ext_op_code_len += bytes_read; | |
2839 | ext_op_code = *op_code_data++; | |
2840 | ||
2841 | switch (ext_op_code) | |
2842 | { | |
2843 | case DW_LNE_end_sequence: | |
91d6fa6a | 2844 | reset_state_machine (linfo.li_default_is_stmt); |
a262ae96 NC |
2845 | break; |
2846 | case DW_LNE_set_address: | |
2847 | state_machine_regs.address = | |
2848 | byte_get (op_code_data, ext_op_code_len - bytes_read - 1); | |
a233b20c | 2849 | state_machine_regs.op_index = 0; |
a262ae96 NC |
2850 | break; |
2851 | case DW_LNE_define_file: | |
2852 | { | |
2853 | unsigned int dir_index = 0; | |
2854 | ||
2855 | ++state_machine_regs.last_file_entry; | |
2856 | op_code_data += strlen ((char *) op_code_data) + 1; | |
2857 | dir_index = read_leb128 (op_code_data, & bytes_read, 0); | |
2858 | op_code_data += bytes_read; | |
2859 | read_leb128 (op_code_data, & bytes_read, 0); | |
2860 | op_code_data += bytes_read; | |
2861 | read_leb128 (op_code_data, & bytes_read, 0); | |
2862 | ||
2863 | printf (_("%s:\n"), directory_table[dir_index]); | |
2864 | break; | |
2865 | } | |
2866 | default: | |
2867 | printf (_("UNKNOWN: length %d\n"), ext_op_code_len - bytes_read); | |
2868 | break; | |
2869 | } | |
2870 | data += ext_op_code_len; | |
2871 | break; | |
2872 | } | |
2873 | case DW_LNS_copy: | |
2874 | break; | |
2875 | ||
2876 | case DW_LNS_advance_pc: | |
2877 | uladv = read_leb128 (data, & bytes_read, 0); | |
a262ae96 | 2878 | data += bytes_read; |
a233b20c JJ |
2879 | if (linfo.li_max_ops_per_insn == 1) |
2880 | { | |
2881 | uladv *= linfo.li_min_insn_length; | |
2882 | state_machine_regs.address += uladv; | |
2883 | } | |
2884 | else | |
2885 | { | |
2886 | state_machine_regs.address | |
2887 | += ((state_machine_regs.op_index + uladv) | |
2888 | / linfo.li_max_ops_per_insn) | |
2889 | * linfo.li_min_insn_length; | |
2890 | state_machine_regs.op_index | |
2891 | = (state_machine_regs.op_index + uladv) | |
2892 | % linfo.li_max_ops_per_insn; | |
2893 | } | |
a262ae96 NC |
2894 | break; |
2895 | ||
2896 | case DW_LNS_advance_line: | |
2897 | adv = read_leb128 (data, & bytes_read, 1); | |
2898 | data += bytes_read; | |
2899 | state_machine_regs.line += adv; | |
2900 | break; | |
2901 | ||
2902 | case DW_LNS_set_file: | |
2903 | adv = read_leb128 (data, & bytes_read, 0); | |
2904 | data += bytes_read; | |
2905 | state_machine_regs.file = adv; | |
2906 | if (file_table[state_machine_regs.file - 1].directory_index == 0) | |
2907 | { | |
2908 | /* If directory index is 0, that means current directory. */ | |
2909 | printf (_("\n./%s:[++]\n"), | |
2910 | file_table[state_machine_regs.file - 1].name); | |
2911 | } | |
2912 | else | |
2913 | { | |
2914 | /* The directory index starts counting at 1. */ | |
2915 | printf (_("\n%s/%s:\n"), | |
2916 | directory_table[file_table[state_machine_regs.file - 1].directory_index - 1], | |
2917 | file_table[state_machine_regs.file - 1].name); | |
2918 | } | |
2919 | break; | |
2920 | ||
2921 | case DW_LNS_set_column: | |
2922 | uladv = read_leb128 (data, & bytes_read, 0); | |
2923 | data += bytes_read; | |
2924 | state_machine_regs.column = uladv; | |
2925 | break; | |
2926 | ||
2927 | case DW_LNS_negate_stmt: | |
2928 | adv = state_machine_regs.is_stmt; | |
2929 | adv = ! adv; | |
2930 | state_machine_regs.is_stmt = adv; | |
2931 | break; | |
2932 | ||
2933 | case DW_LNS_set_basic_block: | |
2934 | state_machine_regs.basic_block = 1; | |
2935 | break; | |
2936 | ||
2937 | case DW_LNS_const_add_pc: | |
a233b20c JJ |
2938 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); |
2939 | if (linfo.li_max_ops_per_insn == 1) | |
2940 | { | |
2941 | uladv *= linfo.li_min_insn_length; | |
2942 | state_machine_regs.address += uladv; | |
2943 | } | |
2944 | else | |
2945 | { | |
2946 | state_machine_regs.address | |
2947 | += ((state_machine_regs.op_index + uladv) | |
2948 | / linfo.li_max_ops_per_insn) | |
2949 | * linfo.li_min_insn_length; | |
2950 | state_machine_regs.op_index | |
2951 | = (state_machine_regs.op_index + uladv) | |
2952 | % linfo.li_max_ops_per_insn; | |
2953 | } | |
a262ae96 NC |
2954 | break; |
2955 | ||
2956 | case DW_LNS_fixed_advance_pc: | |
2957 | uladv = byte_get (data, 2); | |
2958 | data += 2; | |
2959 | state_machine_regs.address += uladv; | |
a233b20c | 2960 | state_machine_regs.op_index = 0; |
a262ae96 NC |
2961 | break; |
2962 | ||
2963 | case DW_LNS_set_prologue_end: | |
2964 | break; | |
2965 | ||
2966 | case DW_LNS_set_epilogue_begin: | |
2967 | break; | |
2968 | ||
2969 | case DW_LNS_set_isa: | |
2970 | uladv = read_leb128 (data, & bytes_read, 0); | |
2971 | data += bytes_read; | |
2972 | printf (_(" Set ISA to %lu\n"), uladv); | |
2973 | break; | |
2974 | ||
2975 | default: | |
2976 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
2977 | ||
2978 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
2979 | { | |
2980 | printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0), | |
2981 | i == 1 ? "" : ", "); | |
2982 | data += bytes_read; | |
2983 | } | |
2984 | putchar ('\n'); | |
2985 | break; | |
2986 | } | |
2987 | ||
2988 | /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row | |
2989 | to the DWARF address/line matrix. */ | |
2990 | if ((is_special_opcode) || (op_code == DW_LNE_end_sequence) | |
2991 | || (op_code == DW_LNS_copy)) | |
2992 | { | |
2993 | const unsigned int MAX_FILENAME_LENGTH = 35; | |
2994 | char *fileName = (char *)file_table[state_machine_regs.file - 1].name; | |
2995 | char *newFileName = NULL; | |
2996 | size_t fileNameLength = strlen (fileName); | |
2997 | ||
2998 | if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide)) | |
2999 | { | |
3f5e193b | 3000 | newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1); |
a262ae96 NC |
3001 | /* Truncate file name */ |
3002 | strncpy (newFileName, | |
3003 | fileName + fileNameLength - MAX_FILENAME_LENGTH, | |
3004 | MAX_FILENAME_LENGTH + 1); | |
3005 | } | |
3006 | else | |
3007 | { | |
3f5e193b | 3008 | newFileName = (char *) xmalloc (fileNameLength + 1); |
a262ae96 NC |
3009 | strncpy (newFileName, fileName, fileNameLength + 1); |
3010 | } | |
3011 | ||
3012 | if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH)) | |
3013 | { | |
a233b20c JJ |
3014 | if (linfo.li_max_ops_per_insn == 1) |
3015 | printf (_("%-35s %11d %#18lx\n"), newFileName, | |
3016 | state_machine_regs.line, | |
3017 | state_machine_regs.address); | |
3018 | else | |
3019 | printf (_("%-35s %11d %#18lx[%d]\n"), newFileName, | |
3020 | state_machine_regs.line, | |
3021 | state_machine_regs.address, | |
3022 | state_machine_regs.op_index); | |
a262ae96 NC |
3023 | } |
3024 | else | |
3025 | { | |
a233b20c JJ |
3026 | if (linfo.li_max_ops_per_insn == 1) |
3027 | printf (_("%s %11d %#18lx\n"), newFileName, | |
3028 | state_machine_regs.line, | |
3029 | state_machine_regs.address); | |
3030 | else | |
3031 | printf (_("%s %11d %#18lx[%d]\n"), newFileName, | |
3032 | state_machine_regs.line, | |
3033 | state_machine_regs.address, | |
3034 | state_machine_regs.op_index); | |
a262ae96 NC |
3035 | } |
3036 | ||
3037 | if (op_code == DW_LNE_end_sequence) | |
3038 | printf ("\n"); | |
3039 | ||
3040 | free (newFileName); | |
3041 | } | |
3042 | } | |
3043 | free (file_table); | |
3044 | file_table = NULL; | |
3045 | free (directory_table); | |
3046 | directory_table = NULL; | |
3047 | putchar ('\n'); | |
3048 | } | |
3049 | ||
3050 | return 1; | |
3051 | } | |
3052 | ||
3053 | static int | |
3054 | display_debug_lines (struct dwarf_section *section, void *file) | |
3055 | { | |
3056 | unsigned char *data = section->start; | |
3057 | unsigned char *end = data + section->size; | |
4cb93e3b TG |
3058 | int retValRaw = 1; |
3059 | int retValDecoded = 1; | |
a262ae96 NC |
3060 | |
3061 | if (load_debug_info (file) == 0) | |
3062 | { | |
3063 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
3064 | section->name); | |
3065 | return 0; | |
3066 | } | |
3067 | ||
008f4c78 NC |
3068 | if (do_debug_lines == 0) |
3069 | do_debug_lines |= FLAG_DEBUG_LINES_RAW; | |
3070 | ||
4cb93e3b | 3071 | if (do_debug_lines & FLAG_DEBUG_LINES_RAW) |
a262ae96 NC |
3072 | retValRaw = display_debug_lines_raw (section, data, end); |
3073 | ||
4cb93e3b | 3074 | if (do_debug_lines & FLAG_DEBUG_LINES_DECODED) |
a262ae96 NC |
3075 | retValDecoded = display_debug_lines_decoded (section, data, end); |
3076 | ||
4cb93e3b | 3077 | if (!retValRaw || !retValDecoded) |
a262ae96 NC |
3078 | return 0; |
3079 | ||
3080 | return 1; | |
3081 | } | |
3082 | ||
6e3d6dc1 NC |
3083 | static debug_info * |
3084 | find_debug_info_for_offset (unsigned long offset) | |
3085 | { | |
3086 | unsigned int i; | |
3087 | ||
3088 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) | |
3089 | return NULL; | |
3090 | ||
3091 | for (i = 0; i < num_debug_info_entries; i++) | |
3092 | if (debug_information[i].cu_offset == offset) | |
3093 | return debug_information + i; | |
3094 | ||
3095 | return NULL; | |
3096 | } | |
3097 | ||
19e6b90e L |
3098 | static int |
3099 | display_debug_pubnames (struct dwarf_section *section, | |
3100 | void *file ATTRIBUTE_UNUSED) | |
3101 | { | |
91d6fa6a | 3102 | DWARF2_Internal_PubNames names; |
19e6b90e L |
3103 | unsigned char *start = section->start; |
3104 | unsigned char *end = start + section->size; | |
3105 | ||
6e3d6dc1 NC |
3106 | /* It does not matter if this load fails, |
3107 | we test for that later on. */ | |
3108 | load_debug_info (file); | |
3109 | ||
19e6b90e L |
3110 | printf (_("Contents of the %s section:\n\n"), section->name); |
3111 | ||
3112 | while (start < end) | |
3113 | { | |
3114 | unsigned char *data; | |
3115 | unsigned long offset; | |
3116 | int offset_size, initial_length_size; | |
3117 | ||
3118 | data = start; | |
3119 | ||
91d6fa6a | 3120 | names.pn_length = byte_get (data, 4); |
19e6b90e | 3121 | data += 4; |
91d6fa6a | 3122 | if (names.pn_length == 0xffffffff) |
19e6b90e | 3123 | { |
91d6fa6a | 3124 | names.pn_length = byte_get (data, 8); |
19e6b90e L |
3125 | data += 8; |
3126 | offset_size = 8; | |
3127 | initial_length_size = 12; | |
3128 | } | |
3129 | else | |
3130 | { | |
3131 | offset_size = 4; | |
3132 | initial_length_size = 4; | |
3133 | } | |
3134 | ||
91d6fa6a | 3135 | names.pn_version = byte_get (data, 2); |
19e6b90e | 3136 | data += 2; |
6e3d6dc1 | 3137 | |
91d6fa6a | 3138 | names.pn_offset = byte_get (data, offset_size); |
19e6b90e | 3139 | data += offset_size; |
6e3d6dc1 NC |
3140 | |
3141 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE | |
3142 | && num_debug_info_entries > 0 | |
91d6fa6a | 3143 | && find_debug_info_for_offset (names.pn_offset) == NULL) |
6e3d6dc1 | 3144 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), |
91d6fa6a | 3145 | names.pn_offset, section->name); |
cecf136e | 3146 | |
91d6fa6a | 3147 | names.pn_size = byte_get (data, offset_size); |
19e6b90e L |
3148 | data += offset_size; |
3149 | ||
91d6fa6a | 3150 | start += names.pn_length + initial_length_size; |
19e6b90e | 3151 | |
91d6fa6a | 3152 | if (names.pn_version != 2 && names.pn_version != 3) |
19e6b90e L |
3153 | { |
3154 | static int warned = 0; | |
3155 | ||
3156 | if (! warned) | |
3157 | { | |
3158 | warn (_("Only DWARF 2 and 3 pubnames are currently supported\n")); | |
3159 | warned = 1; | |
3160 | } | |
3161 | ||
3162 | continue; | |
3163 | } | |
3164 | ||
3165 | printf (_(" Length: %ld\n"), | |
91d6fa6a | 3166 | names.pn_length); |
19e6b90e | 3167 | printf (_(" Version: %d\n"), |
91d6fa6a | 3168 | names.pn_version); |
6e3d6dc1 | 3169 | printf (_(" Offset into .debug_info section: 0x%lx\n"), |
91d6fa6a | 3170 | names.pn_offset); |
19e6b90e | 3171 | printf (_(" Size of area in .debug_info section: %ld\n"), |
91d6fa6a | 3172 | names.pn_size); |
19e6b90e L |
3173 | |
3174 | printf (_("\n Offset\tName\n")); | |
3175 | ||
3176 | do | |
3177 | { | |
3178 | offset = byte_get (data, offset_size); | |
3179 | ||
3180 | if (offset != 0) | |
3181 | { | |
3182 | data += offset_size; | |
80c35038 | 3183 | printf (" %-6lx\t%s\n", offset, data); |
19e6b90e L |
3184 | data += strlen ((char *) data) + 1; |
3185 | } | |
3186 | } | |
3187 | while (offset != 0); | |
3188 | } | |
3189 | ||
3190 | printf ("\n"); | |
3191 | return 1; | |
3192 | } | |
3193 | ||
3194 | static int | |
3195 | display_debug_macinfo (struct dwarf_section *section, | |
3196 | void *file ATTRIBUTE_UNUSED) | |
3197 | { | |
3198 | unsigned char *start = section->start; | |
3199 | unsigned char *end = start + section->size; | |
3200 | unsigned char *curr = start; | |
3201 | unsigned int bytes_read; | |
3202 | enum dwarf_macinfo_record_type op; | |
3203 | ||
3204 | printf (_("Contents of the %s section:\n\n"), section->name); | |
3205 | ||
3206 | while (curr < end) | |
3207 | { | |
3208 | unsigned int lineno; | |
3209 | const char *string; | |
3210 | ||
3f5e193b | 3211 | op = (enum dwarf_macinfo_record_type) *curr; |
19e6b90e L |
3212 | curr++; |
3213 | ||
3214 | switch (op) | |
3215 | { | |
3216 | case DW_MACINFO_start_file: | |
3217 | { | |
3218 | unsigned int filenum; | |
3219 | ||
3220 | lineno = read_leb128 (curr, & bytes_read, 0); | |
3221 | curr += bytes_read; | |
3222 | filenum = read_leb128 (curr, & bytes_read, 0); | |
3223 | curr += bytes_read; | |
3224 | ||
3225 | printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), | |
3226 | lineno, filenum); | |
3227 | } | |
3228 | break; | |
3229 | ||
3230 | case DW_MACINFO_end_file: | |
3231 | printf (_(" DW_MACINFO_end_file\n")); | |
3232 | break; | |
3233 | ||
3234 | case DW_MACINFO_define: | |
3235 | lineno = read_leb128 (curr, & bytes_read, 0); | |
3236 | curr += bytes_read; | |
3237 | string = (char *) curr; | |
3238 | curr += strlen (string) + 1; | |
3239 | printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"), | |
3240 | lineno, string); | |
3241 | break; | |
3242 | ||
3243 | case DW_MACINFO_undef: | |
3244 | lineno = read_leb128 (curr, & bytes_read, 0); | |
3245 | curr += bytes_read; | |
3246 | string = (char *) curr; | |
3247 | curr += strlen (string) + 1; | |
3248 | printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"), | |
3249 | lineno, string); | |
3250 | break; | |
3251 | ||
3252 | case DW_MACINFO_vendor_ext: | |
3253 | { | |
3254 | unsigned int constant; | |
3255 | ||
3256 | constant = read_leb128 (curr, & bytes_read, 0); | |
3257 | curr += bytes_read; | |
3258 | string = (char *) curr; | |
3259 | curr += strlen (string) + 1; | |
3260 | printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), | |
3261 | constant, string); | |
3262 | } | |
3263 | break; | |
3264 | } | |
3265 | } | |
3266 | ||
3267 | return 1; | |
3268 | } | |
3269 | ||
3270 | static int | |
3271 | display_debug_abbrev (struct dwarf_section *section, | |
3272 | void *file ATTRIBUTE_UNUSED) | |
3273 | { | |
3274 | abbrev_entry *entry; | |
3275 | unsigned char *start = section->start; | |
3276 | unsigned char *end = start + section->size; | |
3277 | ||
3278 | printf (_("Contents of the %s section:\n\n"), section->name); | |
3279 | ||
3280 | do | |
3281 | { | |
3282 | free_abbrevs (); | |
3283 | ||
3284 | start = process_abbrev_section (start, end); | |
3285 | ||
3286 | if (first_abbrev == NULL) | |
3287 | continue; | |
3288 | ||
3289 | printf (_(" Number TAG\n")); | |
3290 | ||
3291 | for (entry = first_abbrev; entry; entry = entry->next) | |
3292 | { | |
3293 | abbrev_attr *attr; | |
3294 | ||
3295 | printf (_(" %ld %s [%s]\n"), | |
3296 | entry->entry, | |
3297 | get_TAG_name (entry->tag), | |
3298 | entry->children ? _("has children") : _("no children")); | |
3299 | ||
3300 | for (attr = entry->first_attr; attr; attr = attr->next) | |
3301 | printf (_(" %-18s %s\n"), | |
3302 | get_AT_name (attr->attribute), | |
3303 | get_FORM_name (attr->form)); | |
3304 | } | |
3305 | } | |
3306 | while (start); | |
3307 | ||
3308 | printf ("\n"); | |
3309 | ||
3310 | return 1; | |
3311 | } | |
3312 | ||
3313 | static int | |
3314 | display_debug_loc (struct dwarf_section *section, void *file) | |
3315 | { | |
3316 | unsigned char *start = section->start; | |
3317 | unsigned char *section_end; | |
3318 | unsigned long bytes; | |
3319 | unsigned char *section_begin = start; | |
3320 | unsigned int num_loc_list = 0; | |
3321 | unsigned long last_offset = 0; | |
3322 | unsigned int first = 0; | |
3323 | unsigned int i; | |
3324 | unsigned int j; | |
3325 | int seen_first_offset = 0; | |
3326 | int use_debug_info = 1; | |
3327 | unsigned char *next; | |
3328 | ||
3329 | bytes = section->size; | |
3330 | section_end = start + bytes; | |
3331 | ||
3332 | if (bytes == 0) | |
3333 | { | |
3334 | printf (_("\nThe %s section is empty.\n"), section->name); | |
3335 | return 0; | |
3336 | } | |
3337 | ||
1febe64d NC |
3338 | if (load_debug_info (file) == 0) |
3339 | { | |
3340 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
3341 | section->name); | |
3342 | return 0; | |
3343 | } | |
19e6b90e L |
3344 | |
3345 | /* Check the order of location list in .debug_info section. If | |
3346 | offsets of location lists are in the ascending order, we can | |
3347 | use `debug_information' directly. */ | |
3348 | for (i = 0; i < num_debug_info_entries; i++) | |
3349 | { | |
3350 | unsigned int num; | |
3351 | ||
3352 | num = debug_information [i].num_loc_offsets; | |
3353 | num_loc_list += num; | |
3354 | ||
3355 | /* Check if we can use `debug_information' directly. */ | |
3356 | if (use_debug_info && num != 0) | |
3357 | { | |
3358 | if (!seen_first_offset) | |
3359 | { | |
3360 | /* This is the first location list. */ | |
3361 | last_offset = debug_information [i].loc_offsets [0]; | |
3362 | first = i; | |
3363 | seen_first_offset = 1; | |
3364 | j = 1; | |
3365 | } | |
3366 | else | |
3367 | j = 0; | |
3368 | ||
3369 | for (; j < num; j++) | |
3370 | { | |
3371 | if (last_offset > | |
3372 | debug_information [i].loc_offsets [j]) | |
3373 | { | |
3374 | use_debug_info = 0; | |
3375 | break; | |
3376 | } | |
3377 | last_offset = debug_information [i].loc_offsets [j]; | |
3378 | } | |
3379 | } | |
3380 | } | |
3381 | ||
3382 | if (!use_debug_info) | |
3383 | /* FIXME: Should we handle this case? */ | |
3384 | error (_("Location lists in .debug_info section aren't in ascending order!\n")); | |
3385 | ||
3386 | if (!seen_first_offset) | |
3387 | error (_("No location lists in .debug_info section!\n")); | |
3388 | ||
bfe2612a | 3389 | /* DWARF sections under Mach-O have non-zero addresses. */ |
d4bfc77b AS |
3390 | if (debug_information [first].num_loc_offsets > 0 |
3391 | && debug_information [first].loc_offsets [0] != section->address) | |
19e6b90e L |
3392 | warn (_("Location lists in %s section start at 0x%lx\n"), |
3393 | section->name, debug_information [first].loc_offsets [0]); | |
3394 | ||
3395 | printf (_("Contents of the %s section:\n\n"), section->name); | |
3396 | printf (_(" Offset Begin End Expression\n")); | |
3397 | ||
3398 | seen_first_offset = 0; | |
3399 | for (i = first; i < num_debug_info_entries; i++) | |
3400 | { | |
2d9472a2 NC |
3401 | dwarf_vma begin; |
3402 | dwarf_vma end; | |
19e6b90e L |
3403 | unsigned short length; |
3404 | unsigned long offset; | |
3405 | unsigned int pointer_size; | |
3406 | unsigned long cu_offset; | |
3407 | unsigned long base_address; | |
3408 | int need_frame_base; | |
3409 | int has_frame_base; | |
3410 | ||
3411 | pointer_size = debug_information [i].pointer_size; | |
3412 | cu_offset = debug_information [i].cu_offset; | |
3413 | ||
3414 | for (j = 0; j < debug_information [i].num_loc_offsets; j++) | |
3415 | { | |
3416 | has_frame_base = debug_information [i].have_frame_base [j]; | |
bfe2612a | 3417 | /* DWARF sections under Mach-O have non-zero addresses. */ |
cecf136e | 3418 | offset = debug_information [i].loc_offsets [j] - section->address; |
19e6b90e L |
3419 | next = section_begin + offset; |
3420 | base_address = debug_information [i].base_address; | |
3421 | ||
3422 | if (!seen_first_offset) | |
3423 | seen_first_offset = 1; | |
3424 | else | |
3425 | { | |
3426 | if (start < next) | |
3427 | warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e AM |
3428 | (unsigned long) (start - section_begin), |
3429 | (unsigned long) (next - section_begin)); | |
19e6b90e L |
3430 | else if (start > next) |
3431 | warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e AM |
3432 | (unsigned long) (start - section_begin), |
3433 | (unsigned long) (next - section_begin)); | |
19e6b90e L |
3434 | } |
3435 | start = next; | |
3436 | ||
3437 | if (offset >= bytes) | |
3438 | { | |
3439 | warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"), | |
3440 | offset); | |
3441 | continue; | |
3442 | } | |
3443 | ||
3444 | while (1) | |
3445 | { | |
3446 | if (start + 2 * pointer_size > section_end) | |
3447 | { | |
3448 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
3449 | offset); | |
3450 | break; | |
3451 | } | |
3452 | ||
2d9472a2 NC |
3453 | /* Note: we use sign extension here in order to be sure that |
3454 | we can detect the -1 escape value. Sign extension into the | |
3455 | top 32 bits of a 32-bit address will not affect the values | |
3456 | that we display since we always show hex values, and always | |
cecf136e | 3457 | the bottom 32-bits. */ |
2d9472a2 | 3458 | begin = byte_get_signed (start, pointer_size); |
19e6b90e | 3459 | start += pointer_size; |
2d9472a2 | 3460 | end = byte_get_signed (start, pointer_size); |
19e6b90e L |
3461 | start += pointer_size; |
3462 | ||
2d9472a2 NC |
3463 | printf (" %8.8lx ", offset); |
3464 | ||
19e6b90e L |
3465 | if (begin == 0 && end == 0) |
3466 | { | |
2d9472a2 | 3467 | printf (_("<End of list>\n")); |
19e6b90e L |
3468 | break; |
3469 | } | |
3470 | ||
3471 | /* Check base address specifiers. */ | |
2d9472a2 | 3472 | if (begin == (dwarf_vma) -1 && end != (dwarf_vma) -1) |
19e6b90e L |
3473 | { |
3474 | base_address = end; | |
2d9472a2 NC |
3475 | print_dwarf_vma (begin, pointer_size); |
3476 | print_dwarf_vma (end, pointer_size); | |
3477 | printf (_("(base address)\n")); | |
19e6b90e L |
3478 | continue; |
3479 | } | |
3480 | ||
3481 | if (start + 2 > section_end) | |
3482 | { | |
3483 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
3484 | offset); | |
3485 | break; | |
3486 | } | |
3487 | ||
3488 | length = byte_get (start, 2); | |
3489 | start += 2; | |
3490 | ||
3491 | if (start + length > section_end) | |
3492 | { | |
3493 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
3494 | offset); | |
3495 | break; | |
3496 | } | |
3497 | ||
2d9472a2 NC |
3498 | print_dwarf_vma (begin + base_address, pointer_size); |
3499 | print_dwarf_vma (end + base_address, pointer_size); | |
3500 | ||
3501 | putchar ('('); | |
19e6b90e L |
3502 | need_frame_base = decode_location_expression (start, |
3503 | pointer_size, | |
3504 | length, | |
f1c4cc75 | 3505 | cu_offset, section); |
19e6b90e L |
3506 | putchar (')'); |
3507 | ||
3508 | if (need_frame_base && !has_frame_base) | |
3509 | printf (_(" [without DW_AT_frame_base]")); | |
3510 | ||
3511 | if (begin == end) | |
3512 | fputs (_(" (start == end)"), stdout); | |
3513 | else if (begin > end) | |
3514 | fputs (_(" (start > end)"), stdout); | |
3515 | ||
3516 | putchar ('\n'); | |
3517 | ||
3518 | start += length; | |
3519 | } | |
3520 | } | |
3521 | } | |
031cd65f NC |
3522 | |
3523 | if (start < section_end) | |
3524 | warn (_("There are %ld unused bytes at the end of section %s\n"), | |
0eb090cb | 3525 | (long) (section_end - start), section->name); |
98fb390a | 3526 | putchar ('\n'); |
19e6b90e L |
3527 | return 1; |
3528 | } | |
3529 | ||
3530 | static int | |
3531 | display_debug_str (struct dwarf_section *section, | |
3532 | void *file ATTRIBUTE_UNUSED) | |
3533 | { | |
3534 | unsigned char *start = section->start; | |
3535 | unsigned long bytes = section->size; | |
3536 | dwarf_vma addr = section->address; | |
3537 | ||
3538 | if (bytes == 0) | |
3539 | { | |
3540 | printf (_("\nThe %s section is empty.\n"), section->name); | |
3541 | return 0; | |
3542 | } | |
3543 | ||
3544 | printf (_("Contents of the %s section:\n\n"), section->name); | |
3545 | ||
3546 | while (bytes) | |
3547 | { | |
3548 | int j; | |
3549 | int k; | |
3550 | int lbytes; | |
3551 | ||
3552 | lbytes = (bytes > 16 ? 16 : bytes); | |
3553 | ||
3554 | printf (" 0x%8.8lx ", (unsigned long) addr); | |
3555 | ||
3556 | for (j = 0; j < 16; j++) | |
3557 | { | |
3558 | if (j < lbytes) | |
3559 | printf ("%2.2x", start[j]); | |
3560 | else | |
3561 | printf (" "); | |
3562 | ||
3563 | if ((j & 3) == 3) | |
3564 | printf (" "); | |
3565 | } | |
3566 | ||
3567 | for (j = 0; j < lbytes; j++) | |
3568 | { | |
3569 | k = start[j]; | |
3570 | if (k >= ' ' && k < 0x80) | |
3571 | printf ("%c", k); | |
3572 | else | |
3573 | printf ("."); | |
3574 | } | |
3575 | ||
3576 | putchar ('\n'); | |
3577 | ||
3578 | start += lbytes; | |
3579 | addr += lbytes; | |
3580 | bytes -= lbytes; | |
3581 | } | |
3582 | ||
3583 | putchar ('\n'); | |
3584 | ||
3585 | return 1; | |
3586 | } | |
3587 | ||
19e6b90e L |
3588 | static int |
3589 | display_debug_info (struct dwarf_section *section, void *file) | |
3590 | { | |
2b6f5997 | 3591 | return process_debug_info (section, file, 0, 0); |
19e6b90e L |
3592 | } |
3593 | ||
2b6f5997 CC |
3594 | static int |
3595 | display_debug_types (struct dwarf_section *section, void *file) | |
3596 | { | |
3597 | return process_debug_info (section, file, 0, 1); | |
3598 | } | |
19e6b90e L |
3599 | |
3600 | static int | |
3601 | display_debug_aranges (struct dwarf_section *section, | |
3602 | void *file ATTRIBUTE_UNUSED) | |
3603 | { | |
3604 | unsigned char *start = section->start; | |
3605 | unsigned char *end = start + section->size; | |
3606 | ||
80c35038 | 3607 | printf (_("Contents of the %s section:\n\n"), section->name); |
19e6b90e | 3608 | |
6e3d6dc1 NC |
3609 | /* It does not matter if this load fails, |
3610 | we test for that later on. */ | |
3611 | load_debug_info (file); | |
3612 | ||
19e6b90e L |
3613 | while (start < end) |
3614 | { | |
3615 | unsigned char *hdrptr; | |
3616 | DWARF2_Internal_ARange arange; | |
91d6fa6a | 3617 | unsigned char *addr_ranges; |
2d9472a2 NC |
3618 | dwarf_vma length; |
3619 | dwarf_vma address; | |
53b8873b | 3620 | unsigned char address_size; |
19e6b90e L |
3621 | int excess; |
3622 | int offset_size; | |
3623 | int initial_length_size; | |
3624 | ||
3625 | hdrptr = start; | |
3626 | ||
3627 | arange.ar_length = byte_get (hdrptr, 4); | |
3628 | hdrptr += 4; | |
3629 | ||
3630 | if (arange.ar_length == 0xffffffff) | |
3631 | { | |
3632 | arange.ar_length = byte_get (hdrptr, 8); | |
3633 | hdrptr += 8; | |
3634 | offset_size = 8; | |
3635 | initial_length_size = 12; | |
3636 | } | |
3637 | else | |
3638 | { | |
3639 | offset_size = 4; | |
3640 | initial_length_size = 4; | |
3641 | } | |
3642 | ||
3643 | arange.ar_version = byte_get (hdrptr, 2); | |
3644 | hdrptr += 2; | |
3645 | ||
3646 | arange.ar_info_offset = byte_get (hdrptr, offset_size); | |
3647 | hdrptr += offset_size; | |
3648 | ||
6e3d6dc1 NC |
3649 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE |
3650 | && num_debug_info_entries > 0 | |
3651 | && find_debug_info_for_offset (arange.ar_info_offset) == NULL) | |
3652 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), | |
3653 | arange.ar_info_offset, section->name); | |
3654 | ||
19e6b90e L |
3655 | arange.ar_pointer_size = byte_get (hdrptr, 1); |
3656 | hdrptr += 1; | |
3657 | ||
3658 | arange.ar_segment_size = byte_get (hdrptr, 1); | |
3659 | hdrptr += 1; | |
3660 | ||
3661 | if (arange.ar_version != 2 && arange.ar_version != 3) | |
3662 | { | |
3663 | warn (_("Only DWARF 2 and 3 aranges are currently supported.\n")); | |
3664 | break; | |
3665 | } | |
3666 | ||
3667 | printf (_(" Length: %ld\n"), arange.ar_length); | |
3668 | printf (_(" Version: %d\n"), arange.ar_version); | |
6e3d6dc1 | 3669 | printf (_(" Offset into .debug_info: 0x%lx\n"), arange.ar_info_offset); |
19e6b90e L |
3670 | printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size); |
3671 | printf (_(" Segment Size: %d\n"), arange.ar_segment_size); | |
3672 | ||
53b8873b NC |
3673 | address_size = arange.ar_pointer_size + arange.ar_segment_size; |
3674 | ||
3675 | /* The DWARF spec does not require that the address size be a power | |
3676 | of two, but we do. This will have to change if we ever encounter | |
3677 | an uneven architecture. */ | |
3678 | if ((address_size & (address_size - 1)) != 0) | |
3679 | { | |
3680 | warn (_("Pointer size + Segment size is not a power of two.\n")); | |
3681 | break; | |
3682 | } | |
cecf136e | 3683 | |
209c9a13 NC |
3684 | if (address_size > 4) |
3685 | printf (_("\n Address Length\n")); | |
3686 | else | |
3687 | printf (_("\n Address Length\n")); | |
19e6b90e | 3688 | |
91d6fa6a | 3689 | addr_ranges = hdrptr; |
19e6b90e | 3690 | |
53b8873b NC |
3691 | /* Must pad to an alignment boundary that is twice the address size. */ |
3692 | excess = (hdrptr - start) % (2 * address_size); | |
19e6b90e | 3693 | if (excess) |
91d6fa6a | 3694 | addr_ranges += (2 * address_size) - excess; |
19e6b90e | 3695 | |
1617e571 AM |
3696 | start += arange.ar_length + initial_length_size; |
3697 | ||
91d6fa6a | 3698 | while (addr_ranges + 2 * address_size <= start) |
19e6b90e | 3699 | { |
91d6fa6a | 3700 | address = byte_get (addr_ranges, address_size); |
19e6b90e | 3701 | |
91d6fa6a | 3702 | addr_ranges += address_size; |
19e6b90e | 3703 | |
91d6fa6a | 3704 | length = byte_get (addr_ranges, address_size); |
19e6b90e | 3705 | |
91d6fa6a | 3706 | addr_ranges += address_size; |
19e6b90e | 3707 | |
80c35038 | 3708 | printf (" "); |
2d9472a2 NC |
3709 | print_dwarf_vma (address, address_size); |
3710 | print_dwarf_vma (length, address_size); | |
3711 | putchar ('\n'); | |
19e6b90e | 3712 | } |
19e6b90e L |
3713 | } |
3714 | ||
3715 | printf ("\n"); | |
3716 | ||
3717 | return 1; | |
3718 | } | |
3719 | ||
01a8f077 JK |
3720 | /* Each debug_information[x].range_lists[y] gets this representation for |
3721 | sorting purposes. */ | |
3722 | ||
3723 | struct range_entry | |
3724 | { | |
3725 | /* The debug_information[x].range_lists[y] value. */ | |
3726 | unsigned long ranges_offset; | |
3727 | ||
3728 | /* Original debug_information to find parameters of the data. */ | |
3729 | debug_info *debug_info_p; | |
3730 | }; | |
3731 | ||
3732 | /* Sort struct range_entry in ascending order of its RANGES_OFFSET. */ | |
3733 | ||
3734 | static int | |
3735 | range_entry_compar (const void *ap, const void *bp) | |
3736 | { | |
3f5e193b NC |
3737 | const struct range_entry *a_re = (const struct range_entry *) ap; |
3738 | const struct range_entry *b_re = (const struct range_entry *) bp; | |
01a8f077 JK |
3739 | const unsigned long a = a_re->ranges_offset; |
3740 | const unsigned long b = b_re->ranges_offset; | |
3741 | ||
3742 | return (a > b) - (b > a); | |
3743 | } | |
3744 | ||
19e6b90e L |
3745 | static int |
3746 | display_debug_ranges (struct dwarf_section *section, | |
3747 | void *file ATTRIBUTE_UNUSED) | |
3748 | { | |
3749 | unsigned char *start = section->start; | |
19e6b90e L |
3750 | unsigned long bytes; |
3751 | unsigned char *section_begin = start; | |
01a8f077 JK |
3752 | unsigned int num_range_list, i; |
3753 | struct range_entry *range_entries, *range_entry_fill; | |
19e6b90e L |
3754 | |
3755 | bytes = section->size; | |
19e6b90e L |
3756 | |
3757 | if (bytes == 0) | |
3758 | { | |
3759 | printf (_("\nThe %s section is empty.\n"), section->name); | |
3760 | return 0; | |
3761 | } | |
3762 | ||
1febe64d NC |
3763 | if (load_debug_info (file) == 0) |
3764 | { | |
3765 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
3766 | section->name); | |
3767 | return 0; | |
3768 | } | |
19e6b90e | 3769 | |
01a8f077 | 3770 | num_range_list = 0; |
19e6b90e | 3771 | for (i = 0; i < num_debug_info_entries; i++) |
01a8f077 | 3772 | num_range_list += debug_information [i].num_range_lists; |
19e6b90e | 3773 | |
01a8f077 JK |
3774 | if (num_range_list == 0) |
3775 | error (_("No range lists in .debug_info section!\n")); | |
19e6b90e | 3776 | |
3f5e193b NC |
3777 | range_entries = (struct range_entry *) |
3778 | xmalloc (sizeof (*range_entries) * num_range_list); | |
01a8f077 | 3779 | range_entry_fill = range_entries; |
19e6b90e | 3780 | |
01a8f077 JK |
3781 | for (i = 0; i < num_debug_info_entries; i++) |
3782 | { | |
3783 | debug_info *debug_info_p = &debug_information[i]; | |
3784 | unsigned int j; | |
3785 | ||
3786 | for (j = 0; j < debug_info_p->num_range_lists; j++) | |
3787 | { | |
3788 | range_entry_fill->ranges_offset = debug_info_p->range_lists[j]; | |
3789 | range_entry_fill->debug_info_p = debug_info_p; | |
3790 | range_entry_fill++; | |
19e6b90e L |
3791 | } |
3792 | } | |
3793 | ||
01a8f077 JK |
3794 | qsort (range_entries, num_range_list, sizeof (*range_entries), |
3795 | range_entry_compar); | |
19e6b90e | 3796 | |
bfe2612a | 3797 | /* DWARF sections under Mach-O have non-zero addresses. */ |
01a8f077 | 3798 | if (range_entries[0].ranges_offset != section->address) |
19e6b90e | 3799 | warn (_("Range lists in %s section start at 0x%lx\n"), |
01a8f077 | 3800 | section->name, range_entries[0].ranges_offset); |
19e6b90e L |
3801 | |
3802 | printf (_("Contents of the %s section:\n\n"), section->name); | |
3803 | printf (_(" Offset Begin End\n")); | |
3804 | ||
01a8f077 | 3805 | for (i = 0; i < num_range_list; i++) |
19e6b90e | 3806 | { |
01a8f077 JK |
3807 | struct range_entry *range_entry = &range_entries[i]; |
3808 | debug_info *debug_info_p = range_entry->debug_info_p; | |
19e6b90e | 3809 | unsigned int pointer_size; |
01a8f077 JK |
3810 | unsigned long offset; |
3811 | unsigned char *next; | |
19e6b90e L |
3812 | unsigned long base_address; |
3813 | ||
01a8f077 JK |
3814 | pointer_size = debug_info_p->pointer_size; |
3815 | ||
3816 | /* DWARF sections under Mach-O have non-zero addresses. */ | |
3817 | offset = range_entry->ranges_offset - section->address; | |
3818 | next = section_begin + offset; | |
3819 | base_address = debug_info_p->base_address; | |
cecf136e | 3820 | |
01a8f077 | 3821 | if (i > 0) |
19e6b90e | 3822 | { |
01a8f077 JK |
3823 | if (start < next) |
3824 | warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"), | |
3825 | (unsigned long) (start - section_begin), | |
3826 | (unsigned long) (next - section_begin), section->name); | |
3827 | else if (start > next) | |
3828 | warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"), | |
3829 | (unsigned long) (start - section_begin), | |
3830 | (unsigned long) (next - section_begin), section->name); | |
3831 | } | |
3832 | start = next; | |
19e6b90e | 3833 | |
01a8f077 JK |
3834 | while (1) |
3835 | { | |
3836 | dwarf_vma begin; | |
3837 | dwarf_vma end; | |
3838 | ||
3839 | /* Note: we use sign extension here in order to be sure that | |
3840 | we can detect the -1 escape value. Sign extension into the | |
3841 | top 32 bits of a 32-bit address will not affect the values | |
3842 | that we display since we always show hex values, and always | |
3843 | the bottom 32-bits. */ | |
3844 | begin = byte_get_signed (start, pointer_size); | |
3845 | start += pointer_size; | |
3846 | end = byte_get_signed (start, pointer_size); | |
3847 | start += pointer_size; | |
3848 | ||
3849 | printf (" %8.8lx ", offset); | |
3850 | ||
3851 | if (begin == 0 && end == 0) | |
19e6b90e | 3852 | { |
01a8f077 JK |
3853 | printf (_("<End of list>\n")); |
3854 | break; | |
19e6b90e | 3855 | } |
19e6b90e | 3856 | |
01a8f077 JK |
3857 | /* Check base address specifiers. */ |
3858 | if (begin == (dwarf_vma) -1 && end != (dwarf_vma) -1) | |
19e6b90e | 3859 | { |
01a8f077 JK |
3860 | base_address = end; |
3861 | print_dwarf_vma (begin, pointer_size); | |
3862 | print_dwarf_vma (end, pointer_size); | |
3863 | printf ("(base address)\n"); | |
3864 | continue; | |
3865 | } | |
19e6b90e | 3866 | |
01a8f077 JK |
3867 | print_dwarf_vma (begin + base_address, pointer_size); |
3868 | print_dwarf_vma (end + base_address, pointer_size); | |
4a149252 | 3869 | |
01a8f077 JK |
3870 | if (begin == end) |
3871 | fputs (_("(start == end)"), stdout); | |
3872 | else if (begin > end) | |
3873 | fputs (_("(start > end)"), stdout); | |
19e6b90e | 3874 | |
01a8f077 | 3875 | putchar ('\n'); |
19e6b90e L |
3876 | } |
3877 | } | |
3878 | putchar ('\n'); | |
01a8f077 JK |
3879 | |
3880 | free (range_entries); | |
3881 | ||
19e6b90e L |
3882 | return 1; |
3883 | } | |
3884 | ||
3885 | typedef struct Frame_Chunk | |
3886 | { | |
3887 | struct Frame_Chunk *next; | |
3888 | unsigned char *chunk_start; | |
3889 | int ncols; | |
3890 | /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */ | |
3891 | short int *col_type; | |
3892 | int *col_offset; | |
3893 | char *augmentation; | |
3894 | unsigned int code_factor; | |
3895 | int data_factor; | |
3896 | unsigned long pc_begin; | |
3897 | unsigned long pc_range; | |
3898 | int cfa_reg; | |
3899 | int cfa_offset; | |
3900 | int ra; | |
3901 | unsigned char fde_encoding; | |
3902 | unsigned char cfa_exp; | |
604282a7 JJ |
3903 | unsigned char ptr_size; |
3904 | unsigned char segment_size; | |
19e6b90e L |
3905 | } |
3906 | Frame_Chunk; | |
3907 | ||
665ce1f6 L |
3908 | static const char *const *dwarf_regnames; |
3909 | static unsigned int dwarf_regnames_count; | |
3910 | ||
19e6b90e L |
3911 | /* A marker for a col_type that means this column was never referenced |
3912 | in the frame info. */ | |
3913 | #define DW_CFA_unreferenced (-1) | |
3914 | ||
665ce1f6 L |
3915 | /* Return 0 if not more space is needed, 1 if more space is needed, |
3916 | -1 for invalid reg. */ | |
3917 | ||
3918 | static int | |
3919 | frame_need_space (Frame_Chunk *fc, unsigned int reg) | |
19e6b90e L |
3920 | { |
3921 | int prev = fc->ncols; | |
3922 | ||
665ce1f6 L |
3923 | if (reg < (unsigned int) fc->ncols) |
3924 | return 0; | |
3925 | ||
3926 | if (dwarf_regnames_count | |
3927 | && reg > dwarf_regnames_count) | |
3928 | return -1; | |
19e6b90e L |
3929 | |
3930 | fc->ncols = reg + 1; | |
3f5e193b NC |
3931 | fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols, |
3932 | sizeof (short int)); | |
3933 | fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int)); | |
19e6b90e L |
3934 | |
3935 | while (prev < fc->ncols) | |
3936 | { | |
3937 | fc->col_type[prev] = DW_CFA_unreferenced; | |
3938 | fc->col_offset[prev] = 0; | |
3939 | prev++; | |
3940 | } | |
665ce1f6 | 3941 | return 1; |
19e6b90e L |
3942 | } |
3943 | ||
2dc4cec1 L |
3944 | static const char *const dwarf_regnames_i386[] = |
3945 | { | |
3946 | "eax", "ecx", "edx", "ebx", | |
3947 | "esp", "ebp", "esi", "edi", | |
3948 | "eip", "eflags", NULL, | |
3949 | "st0", "st1", "st2", "st3", | |
3950 | "st4", "st5", "st6", "st7", | |
3951 | NULL, NULL, | |
3952 | "xmm0", "xmm1", "xmm2", "xmm3", | |
3953 | "xmm4", "xmm5", "xmm6", "xmm7", | |
3954 | "mm0", "mm1", "mm2", "mm3", | |
3955 | "mm4", "mm5", "mm6", "mm7", | |
3956 | "fcw", "fsw", "mxcsr", | |
3957 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, | |
a656ed5b | 3958 | "tr", "ldtr" |
2dc4cec1 L |
3959 | }; |
3960 | ||
3961 | static const char *const dwarf_regnames_x86_64[] = | |
3962 | { | |
3963 | "rax", "rdx", "rcx", "rbx", | |
3964 | "rsi", "rdi", "rbp", "rsp", | |
3965 | "r8", "r9", "r10", "r11", | |
3966 | "r12", "r13", "r14", "r15", | |
3967 | "rip", | |
3968 | "xmm0", "xmm1", "xmm2", "xmm3", | |
3969 | "xmm4", "xmm5", "xmm6", "xmm7", | |
3970 | "xmm8", "xmm9", "xmm10", "xmm11", | |
3971 | "xmm12", "xmm13", "xmm14", "xmm15", | |
3972 | "st0", "st1", "st2", "st3", | |
3973 | "st4", "st5", "st6", "st7", | |
3974 | "mm0", "mm1", "mm2", "mm3", | |
3975 | "mm4", "mm5", "mm6", "mm7", | |
3976 | "rflags", | |
3977 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, | |
3978 | "fs.base", "gs.base", NULL, NULL, | |
3979 | "tr", "ldtr", | |
a656ed5b | 3980 | "mxcsr", "fcw", "fsw" |
2dc4cec1 L |
3981 | }; |
3982 | ||
2dc4cec1 L |
3983 | void |
3984 | init_dwarf_regnames (unsigned int e_machine) | |
3985 | { | |
3986 | switch (e_machine) | |
3987 | { | |
3988 | case EM_386: | |
3989 | case EM_486: | |
3990 | dwarf_regnames = dwarf_regnames_i386; | |
3991 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386); | |
3992 | break; | |
3993 | ||
3994 | case EM_X86_64: | |
3995 | dwarf_regnames = dwarf_regnames_x86_64; | |
3996 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64); | |
3997 | break; | |
3998 | ||
3999 | default: | |
4000 | break; | |
4001 | } | |
4002 | } | |
4003 | ||
4004 | static const char * | |
4005 | regname (unsigned int regno, int row) | |
4006 | { | |
4007 | static char reg[64]; | |
4008 | if (dwarf_regnames | |
4009 | && regno < dwarf_regnames_count | |
4010 | && dwarf_regnames [regno] != NULL) | |
4011 | { | |
4012 | if (row) | |
4013 | return dwarf_regnames [regno]; | |
4014 | snprintf (reg, sizeof (reg), "r%d (%s)", regno, | |
4015 | dwarf_regnames [regno]); | |
4016 | } | |
4017 | else | |
4018 | snprintf (reg, sizeof (reg), "r%d", regno); | |
4019 | return reg; | |
4020 | } | |
4021 | ||
19e6b90e L |
4022 | static void |
4023 | frame_display_row (Frame_Chunk *fc, int *need_col_headers, int *max_regs) | |
4024 | { | |
4025 | int r; | |
4026 | char tmp[100]; | |
4027 | ||
4028 | if (*max_regs < fc->ncols) | |
4029 | *max_regs = fc->ncols; | |
4030 | ||
4031 | if (*need_col_headers) | |
4032 | { | |
91d6fa6a | 4033 | static const char *sloc = " LOC"; |
2dc4cec1 | 4034 | |
19e6b90e L |
4035 | *need_col_headers = 0; |
4036 | ||
91d6fa6a | 4037 | printf ("%-*s CFA ", eh_addr_size * 2, sloc); |
19e6b90e L |
4038 | |
4039 | for (r = 0; r < *max_regs; r++) | |
4040 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
4041 | { | |
4042 | if (r == fc->ra) | |
2dc4cec1 | 4043 | printf ("ra "); |
19e6b90e | 4044 | else |
2dc4cec1 | 4045 | printf ("%-5s ", regname (r, 1)); |
19e6b90e L |
4046 | } |
4047 | ||
4048 | printf ("\n"); | |
4049 | } | |
4050 | ||
2dc4cec1 | 4051 | printf ("%0*lx ", eh_addr_size * 2, fc->pc_begin); |
19e6b90e L |
4052 | if (fc->cfa_exp) |
4053 | strcpy (tmp, "exp"); | |
4054 | else | |
2dc4cec1 | 4055 | sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), fc->cfa_offset); |
19e6b90e L |
4056 | printf ("%-8s ", tmp); |
4057 | ||
4058 | for (r = 0; r < fc->ncols; r++) | |
4059 | { | |
4060 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
4061 | { | |
4062 | switch (fc->col_type[r]) | |
4063 | { | |
4064 | case DW_CFA_undefined: | |
4065 | strcpy (tmp, "u"); | |
4066 | break; | |
4067 | case DW_CFA_same_value: | |
4068 | strcpy (tmp, "s"); | |
4069 | break; | |
4070 | case DW_CFA_offset: | |
4071 | sprintf (tmp, "c%+d", fc->col_offset[r]); | |
4072 | break; | |
12eae2d3 JJ |
4073 | case DW_CFA_val_offset: |
4074 | sprintf (tmp, "v%+d", fc->col_offset[r]); | |
4075 | break; | |
19e6b90e | 4076 | case DW_CFA_register: |
2dc4cec1 | 4077 | sprintf (tmp, "%s", regname (fc->col_offset[r], 0)); |
19e6b90e L |
4078 | break; |
4079 | case DW_CFA_expression: | |
4080 | strcpy (tmp, "exp"); | |
4081 | break; | |
12eae2d3 JJ |
4082 | case DW_CFA_val_expression: |
4083 | strcpy (tmp, "vexp"); | |
4084 | break; | |
19e6b90e L |
4085 | default: |
4086 | strcpy (tmp, "n/a"); | |
4087 | break; | |
4088 | } | |
2dc4cec1 | 4089 | printf ("%-5s ", tmp); |
19e6b90e L |
4090 | } |
4091 | } | |
4092 | printf ("\n"); | |
4093 | } | |
4094 | ||
19e6b90e L |
4095 | #define GET(N) byte_get (start, N); start += N |
4096 | #define LEB() read_leb128 (start, & length_return, 0); start += length_return | |
4097 | #define SLEB() read_leb128 (start, & length_return, 1); start += length_return | |
4098 | ||
4099 | static int | |
4100 | display_debug_frames (struct dwarf_section *section, | |
4101 | void *file ATTRIBUTE_UNUSED) | |
4102 | { | |
4103 | unsigned char *start = section->start; | |
4104 | unsigned char *end = start + section->size; | |
4105 | unsigned char *section_start = start; | |
4106 | Frame_Chunk *chunks = 0; | |
4107 | Frame_Chunk *remembered_state = 0; | |
4108 | Frame_Chunk *rs; | |
4109 | int is_eh = strcmp (section->name, ".eh_frame") == 0; | |
4110 | unsigned int length_return; | |
4111 | int max_regs = 0; | |
665ce1f6 | 4112 | const char *bad_reg = _("bad register: "); |
604282a7 | 4113 | int saved_eh_addr_size = eh_addr_size; |
19e6b90e | 4114 | |
80c35038 | 4115 | printf (_("Contents of the %s section:\n"), section->name); |
19e6b90e L |
4116 | |
4117 | while (start < end) | |
4118 | { | |
4119 | unsigned char *saved_start; | |
4120 | unsigned char *block_end; | |
4121 | unsigned long length; | |
4122 | unsigned long cie_id; | |
4123 | Frame_Chunk *fc; | |
4124 | Frame_Chunk *cie; | |
4125 | int need_col_headers = 1; | |
4126 | unsigned char *augmentation_data = NULL; | |
4127 | unsigned long augmentation_data_len = 0; | |
604282a7 | 4128 | int encoded_ptr_size = saved_eh_addr_size; |
19e6b90e L |
4129 | int offset_size; |
4130 | int initial_length_size; | |
4131 | ||
4132 | saved_start = start; | |
4133 | length = byte_get (start, 4); start += 4; | |
4134 | ||
4135 | if (length == 0) | |
4136 | { | |
4137 | printf ("\n%08lx ZERO terminator\n\n", | |
4138 | (unsigned long)(saved_start - section_start)); | |
b758e50f | 4139 | continue; |
19e6b90e L |
4140 | } |
4141 | ||
4142 | if (length == 0xffffffff) | |
4143 | { | |
4144 | length = byte_get (start, 8); | |
4145 | start += 8; | |
4146 | offset_size = 8; | |
4147 | initial_length_size = 12; | |
4148 | } | |
4149 | else | |
4150 | { | |
4151 | offset_size = 4; | |
4152 | initial_length_size = 4; | |
4153 | } | |
4154 | ||
4155 | block_end = saved_start + length + initial_length_size; | |
53b8873b NC |
4156 | if (block_end > end) |
4157 | { | |
4158 | warn ("Invalid length %#08lx in FDE at %#08lx\n", | |
4159 | length, (unsigned long)(saved_start - section_start)); | |
4160 | block_end = end; | |
4161 | } | |
19e6b90e L |
4162 | cie_id = byte_get (start, offset_size); start += offset_size; |
4163 | ||
4164 | if (is_eh ? (cie_id == 0) : (cie_id == DW_CIE_ID)) | |
4165 | { | |
4166 | int version; | |
4167 | ||
3f5e193b | 4168 | fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
19e6b90e L |
4169 | memset (fc, 0, sizeof (Frame_Chunk)); |
4170 | ||
4171 | fc->next = chunks; | |
4172 | chunks = fc; | |
4173 | fc->chunk_start = saved_start; | |
4174 | fc->ncols = 0; | |
3f5e193b NC |
4175 | fc->col_type = (short int *) xmalloc (sizeof (short int)); |
4176 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
cc86f28f | 4177 | frame_need_space (fc, max_regs - 1); |
19e6b90e L |
4178 | |
4179 | version = *start++; | |
4180 | ||
4181 | fc->augmentation = (char *) start; | |
4182 | start = (unsigned char *) strchr ((char *) start, '\0') + 1; | |
4183 | ||
604282a7 JJ |
4184 | if (strcmp (fc->augmentation, "eh") == 0) |
4185 | start += eh_addr_size; | |
4186 | ||
4187 | if (version >= 4) | |
19e6b90e | 4188 | { |
604282a7 JJ |
4189 | fc->ptr_size = GET (1); |
4190 | fc->segment_size = GET (1); | |
4191 | eh_addr_size = fc->ptr_size; | |
19e6b90e | 4192 | } |
604282a7 | 4193 | else |
19e6b90e | 4194 | { |
604282a7 JJ |
4195 | fc->ptr_size = eh_addr_size; |
4196 | fc->segment_size = 0; | |
4197 | } | |
4198 | fc->code_factor = LEB (); | |
4199 | fc->data_factor = SLEB (); | |
4200 | if (version == 1) | |
4201 | { | |
4202 | fc->ra = GET (1); | |
19e6b90e L |
4203 | } |
4204 | else | |
4205 | { | |
604282a7 JJ |
4206 | fc->ra = LEB (); |
4207 | } | |
4208 | ||
4209 | if (fc->augmentation[0] == 'z') | |
4210 | { | |
4211 | augmentation_data_len = LEB (); | |
4212 | augmentation_data = start; | |
4213 | start += augmentation_data_len; | |
19e6b90e L |
4214 | } |
4215 | cie = fc; | |
4216 | ||
4217 | if (do_debug_frames_interp) | |
4218 | printf ("\n%08lx %08lx %08lx CIE \"%s\" cf=%d df=%d ra=%d\n", | |
4219 | (unsigned long)(saved_start - section_start), length, cie_id, | |
4220 | fc->augmentation, fc->code_factor, fc->data_factor, | |
4221 | fc->ra); | |
4222 | else | |
4223 | { | |
4224 | printf ("\n%08lx %08lx %08lx CIE\n", | |
4225 | (unsigned long)(saved_start - section_start), length, cie_id); | |
4226 | printf (" Version: %d\n", version); | |
4227 | printf (" Augmentation: \"%s\"\n", fc->augmentation); | |
604282a7 JJ |
4228 | if (version >= 4) |
4229 | { | |
4230 | printf (" Pointer Size: %u\n", fc->ptr_size); | |
4231 | printf (" Segment Size: %u\n", fc->segment_size); | |
4232 | } | |
19e6b90e L |
4233 | printf (" Code alignment factor: %u\n", fc->code_factor); |
4234 | printf (" Data alignment factor: %d\n", fc->data_factor); | |
4235 | printf (" Return address column: %d\n", fc->ra); | |
4236 | ||
4237 | if (augmentation_data_len) | |
4238 | { | |
4239 | unsigned long i; | |
4240 | printf (" Augmentation data: "); | |
4241 | for (i = 0; i < augmentation_data_len; ++i) | |
4242 | printf (" %02x", augmentation_data[i]); | |
4243 | putchar ('\n'); | |
4244 | } | |
4245 | putchar ('\n'); | |
4246 | } | |
4247 | ||
4248 | if (augmentation_data_len) | |
4249 | { | |
4250 | unsigned char *p, *q; | |
4251 | p = (unsigned char *) fc->augmentation + 1; | |
4252 | q = augmentation_data; | |
4253 | ||
4254 | while (1) | |
4255 | { | |
4256 | if (*p == 'L') | |
4257 | q++; | |
4258 | else if (*p == 'P') | |
4259 | q += 1 + size_of_encoded_value (*q); | |
4260 | else if (*p == 'R') | |
4261 | fc->fde_encoding = *q++; | |
d80e8de2 JB |
4262 | else if (*p == 'S') |
4263 | ; | |
19e6b90e L |
4264 | else |
4265 | break; | |
4266 | p++; | |
4267 | } | |
4268 | ||
4269 | if (fc->fde_encoding) | |
4270 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
4271 | } | |
4272 | ||
4273 | frame_need_space (fc, fc->ra); | |
4274 | } | |
4275 | else | |
4276 | { | |
4277 | unsigned char *look_for; | |
4278 | static Frame_Chunk fde_fc; | |
604282a7 | 4279 | unsigned long segment_selector; |
19e6b90e L |
4280 | |
4281 | fc = & fde_fc; | |
4282 | memset (fc, 0, sizeof (Frame_Chunk)); | |
4283 | ||
4284 | look_for = is_eh ? start - 4 - cie_id : section_start + cie_id; | |
4285 | ||
4286 | for (cie = chunks; cie ; cie = cie->next) | |
4287 | if (cie->chunk_start == look_for) | |
4288 | break; | |
4289 | ||
4290 | if (!cie) | |
4291 | { | |
53b8873b | 4292 | warn ("Invalid CIE pointer %#08lx in FDE at %#08lx\n", |
1617e571 | 4293 | cie_id, (unsigned long)(saved_start - section_start)); |
19e6b90e | 4294 | fc->ncols = 0; |
3f5e193b NC |
4295 | fc->col_type = (short int *) xmalloc (sizeof (short int)); |
4296 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
19e6b90e L |
4297 | frame_need_space (fc, max_regs - 1); |
4298 | cie = fc; | |
4299 | fc->augmentation = ""; | |
4300 | fc->fde_encoding = 0; | |
604282a7 JJ |
4301 | fc->ptr_size = eh_addr_size; |
4302 | fc->segment_size = 0; | |
19e6b90e L |
4303 | } |
4304 | else | |
4305 | { | |
4306 | fc->ncols = cie->ncols; | |
3f5e193b NC |
4307 | fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int)); |
4308 | fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int)); | |
19e6b90e L |
4309 | memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int)); |
4310 | memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int)); | |
4311 | fc->augmentation = cie->augmentation; | |
604282a7 JJ |
4312 | fc->ptr_size = cie->ptr_size; |
4313 | eh_addr_size = cie->ptr_size; | |
4314 | fc->segment_size = cie->segment_size; | |
19e6b90e L |
4315 | fc->code_factor = cie->code_factor; |
4316 | fc->data_factor = cie->data_factor; | |
4317 | fc->cfa_reg = cie->cfa_reg; | |
4318 | fc->cfa_offset = cie->cfa_offset; | |
4319 | fc->ra = cie->ra; | |
cc86f28f | 4320 | frame_need_space (fc, max_regs - 1); |
19e6b90e L |
4321 | fc->fde_encoding = cie->fde_encoding; |
4322 | } | |
4323 | ||
4324 | if (fc->fde_encoding) | |
4325 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
4326 | ||
604282a7 JJ |
4327 | segment_selector = 0; |
4328 | if (fc->segment_size) | |
4329 | { | |
4330 | segment_selector = byte_get (start, fc->segment_size); | |
4331 | start += fc->segment_size; | |
4332 | } | |
19e6b90e | 4333 | fc->pc_begin = get_encoded_value (start, fc->fde_encoding); |
41e92641 | 4334 | if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel) |
19e6b90e L |
4335 | fc->pc_begin += section->address + (start - section_start); |
4336 | start += encoded_ptr_size; | |
4337 | fc->pc_range = byte_get (start, encoded_ptr_size); | |
4338 | start += encoded_ptr_size; | |
4339 | ||
4340 | if (cie->augmentation[0] == 'z') | |
4341 | { | |
4342 | augmentation_data_len = LEB (); | |
4343 | augmentation_data = start; | |
4344 | start += augmentation_data_len; | |
4345 | } | |
4346 | ||
604282a7 | 4347 | printf ("\n%08lx %08lx %08lx FDE cie=%08lx pc=", |
19e6b90e | 4348 | (unsigned long)(saved_start - section_start), length, cie_id, |
604282a7 JJ |
4349 | (unsigned long)(cie->chunk_start - section_start)); |
4350 | if (fc->segment_size) | |
4351 | printf ("%04lx:", segment_selector); | |
4352 | printf ("%08lx..%08lx\n", fc->pc_begin, fc->pc_begin + fc->pc_range); | |
19e6b90e L |
4353 | if (! do_debug_frames_interp && augmentation_data_len) |
4354 | { | |
4355 | unsigned long i; | |
4356 | ||
4357 | printf (" Augmentation data: "); | |
4358 | for (i = 0; i < augmentation_data_len; ++i) | |
4359 | printf (" %02x", augmentation_data[i]); | |
4360 | putchar ('\n'); | |
4361 | putchar ('\n'); | |
4362 | } | |
4363 | } | |
4364 | ||
4365 | /* At this point, fc is the current chunk, cie (if any) is set, and | |
4366 | we're about to interpret instructions for the chunk. */ | |
4367 | /* ??? At present we need to do this always, since this sizes the | |
4368 | fc->col_type and fc->col_offset arrays, which we write into always. | |
4369 | We should probably split the interpreted and non-interpreted bits | |
4370 | into two different routines, since there's so much that doesn't | |
4371 | really overlap between them. */ | |
4372 | if (1 || do_debug_frames_interp) | |
4373 | { | |
4374 | /* Start by making a pass over the chunk, allocating storage | |
4375 | and taking note of what registers are used. */ | |
4376 | unsigned char *tmp = start; | |
4377 | ||
4378 | while (start < block_end) | |
4379 | { | |
4380 | unsigned op, opa; | |
91d6fa6a | 4381 | unsigned long reg, temp; |
19e6b90e L |
4382 | |
4383 | op = *start++; | |
4384 | opa = op & 0x3f; | |
4385 | if (op & 0xc0) | |
4386 | op &= 0xc0; | |
4387 | ||
4388 | /* Warning: if you add any more cases to this switch, be | |
4389 | sure to add them to the corresponding switch below. */ | |
4390 | switch (op) | |
4391 | { | |
4392 | case DW_CFA_advance_loc: | |
4393 | break; | |
4394 | case DW_CFA_offset: | |
4395 | LEB (); | |
665ce1f6 L |
4396 | if (frame_need_space (fc, opa) >= 0) |
4397 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
4398 | break; |
4399 | case DW_CFA_restore: | |
665ce1f6 L |
4400 | if (frame_need_space (fc, opa) >= 0) |
4401 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
4402 | break; |
4403 | case DW_CFA_set_loc: | |
4404 | start += encoded_ptr_size; | |
4405 | break; | |
4406 | case DW_CFA_advance_loc1: | |
4407 | start += 1; | |
4408 | break; | |
4409 | case DW_CFA_advance_loc2: | |
4410 | start += 2; | |
4411 | break; | |
4412 | case DW_CFA_advance_loc4: | |
4413 | start += 4; | |
4414 | break; | |
4415 | case DW_CFA_offset_extended: | |
12eae2d3 | 4416 | case DW_CFA_val_offset: |
19e6b90e | 4417 | reg = LEB (); LEB (); |
665ce1f6 L |
4418 | if (frame_need_space (fc, reg) >= 0) |
4419 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
4420 | break; |
4421 | case DW_CFA_restore_extended: | |
4422 | reg = LEB (); | |
4423 | frame_need_space (fc, reg); | |
665ce1f6 L |
4424 | if (frame_need_space (fc, reg) >= 0) |
4425 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
4426 | break; |
4427 | case DW_CFA_undefined: | |
4428 | reg = LEB (); | |
665ce1f6 L |
4429 | if (frame_need_space (fc, reg) >= 0) |
4430 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
4431 | break; |
4432 | case DW_CFA_same_value: | |
4433 | reg = LEB (); | |
665ce1f6 L |
4434 | if (frame_need_space (fc, reg) >= 0) |
4435 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
4436 | break; |
4437 | case DW_CFA_register: | |
4438 | reg = LEB (); LEB (); | |
665ce1f6 L |
4439 | if (frame_need_space (fc, reg) >= 0) |
4440 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
4441 | break; |
4442 | case DW_CFA_def_cfa: | |
4443 | LEB (); LEB (); | |
4444 | break; | |
4445 | case DW_CFA_def_cfa_register: | |
4446 | LEB (); | |
4447 | break; | |
4448 | case DW_CFA_def_cfa_offset: | |
4449 | LEB (); | |
4450 | break; | |
4451 | case DW_CFA_def_cfa_expression: | |
91d6fa6a NC |
4452 | temp = LEB (); |
4453 | start += temp; | |
19e6b90e L |
4454 | break; |
4455 | case DW_CFA_expression: | |
12eae2d3 | 4456 | case DW_CFA_val_expression: |
19e6b90e | 4457 | reg = LEB (); |
91d6fa6a NC |
4458 | temp = LEB (); |
4459 | start += temp; | |
665ce1f6 L |
4460 | if (frame_need_space (fc, reg) >= 0) |
4461 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
4462 | break; |
4463 | case DW_CFA_offset_extended_sf: | |
12eae2d3 | 4464 | case DW_CFA_val_offset_sf: |
19e6b90e | 4465 | reg = LEB (); SLEB (); |
665ce1f6 L |
4466 | if (frame_need_space (fc, reg) >= 0) |
4467 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
4468 | break; |
4469 | case DW_CFA_def_cfa_sf: | |
4470 | LEB (); SLEB (); | |
4471 | break; | |
4472 | case DW_CFA_def_cfa_offset_sf: | |
4473 | SLEB (); | |
4474 | break; | |
4475 | case DW_CFA_MIPS_advance_loc8: | |
4476 | start += 8; | |
4477 | break; | |
4478 | case DW_CFA_GNU_args_size: | |
4479 | LEB (); | |
4480 | break; | |
4481 | case DW_CFA_GNU_negative_offset_extended: | |
4482 | reg = LEB (); LEB (); | |
665ce1f6 L |
4483 | if (frame_need_space (fc, reg) >= 0) |
4484 | fc->col_type[reg] = DW_CFA_undefined; | |
4485 | break; | |
19e6b90e L |
4486 | default: |
4487 | break; | |
4488 | } | |
4489 | } | |
4490 | start = tmp; | |
4491 | } | |
4492 | ||
4493 | /* Now we know what registers are used, make a second pass over | |
4494 | the chunk, this time actually printing out the info. */ | |
4495 | ||
4496 | while (start < block_end) | |
4497 | { | |
4498 | unsigned op, opa; | |
4499 | unsigned long ul, reg, roffs; | |
4500 | long l, ofs; | |
4501 | dwarf_vma vma; | |
665ce1f6 | 4502 | const char *reg_prefix = ""; |
19e6b90e L |
4503 | |
4504 | op = *start++; | |
4505 | opa = op & 0x3f; | |
4506 | if (op & 0xc0) | |
4507 | op &= 0xc0; | |
4508 | ||
4509 | /* Warning: if you add any more cases to this switch, be | |
4510 | sure to add them to the corresponding switch above. */ | |
4511 | switch (op) | |
4512 | { | |
4513 | case DW_CFA_advance_loc: | |
4514 | if (do_debug_frames_interp) | |
4515 | frame_display_row (fc, &need_col_headers, &max_regs); | |
4516 | else | |
4517 | printf (" DW_CFA_advance_loc: %d to %08lx\n", | |
4518 | opa * fc->code_factor, | |
4519 | fc->pc_begin + opa * fc->code_factor); | |
4520 | fc->pc_begin += opa * fc->code_factor; | |
4521 | break; | |
4522 | ||
4523 | case DW_CFA_offset: | |
4524 | roffs = LEB (); | |
665ce1f6 L |
4525 | if (opa >= (unsigned int) fc->ncols) |
4526 | reg_prefix = bad_reg; | |
4527 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
4528 | printf (" DW_CFA_offset: %s%s at cfa%+ld\n", | |
4529 | reg_prefix, regname (opa, 0), | |
4530 | roffs * fc->data_factor); | |
4531 | if (*reg_prefix == '\0') | |
4532 | { | |
4533 | fc->col_type[opa] = DW_CFA_offset; | |
4534 | fc->col_offset[opa] = roffs * fc->data_factor; | |
4535 | } | |
19e6b90e L |
4536 | break; |
4537 | ||
4538 | case DW_CFA_restore: | |
665ce1f6 L |
4539 | if (opa >= (unsigned int) cie->ncols |
4540 | || opa >= (unsigned int) fc->ncols) | |
4541 | reg_prefix = bad_reg; | |
4542 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
4543 | printf (" DW_CFA_restore: %s%s\n", | |
4544 | reg_prefix, regname (opa, 0)); | |
4545 | if (*reg_prefix == '\0') | |
4546 | { | |
4547 | fc->col_type[opa] = cie->col_type[opa]; | |
4548 | fc->col_offset[opa] = cie->col_offset[opa]; | |
4549 | } | |
19e6b90e L |
4550 | break; |
4551 | ||
4552 | case DW_CFA_set_loc: | |
4553 | vma = get_encoded_value (start, fc->fde_encoding); | |
41e92641 | 4554 | if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel) |
19e6b90e L |
4555 | vma += section->address + (start - section_start); |
4556 | start += encoded_ptr_size; | |
4557 | if (do_debug_frames_interp) | |
4558 | frame_display_row (fc, &need_col_headers, &max_regs); | |
4559 | else | |
4560 | printf (" DW_CFA_set_loc: %08lx\n", (unsigned long)vma); | |
4561 | fc->pc_begin = vma; | |
4562 | break; | |
4563 | ||
4564 | case DW_CFA_advance_loc1: | |
4565 | ofs = byte_get (start, 1); start += 1; | |
4566 | if (do_debug_frames_interp) | |
4567 | frame_display_row (fc, &need_col_headers, &max_regs); | |
4568 | else | |
4569 | printf (" DW_CFA_advance_loc1: %ld to %08lx\n", | |
4570 | ofs * fc->code_factor, | |
4571 | fc->pc_begin + ofs * fc->code_factor); | |
4572 | fc->pc_begin += ofs * fc->code_factor; | |
4573 | break; | |
4574 | ||
4575 | case DW_CFA_advance_loc2: | |
4576 | ofs = byte_get (start, 2); start += 2; | |
4577 | if (do_debug_frames_interp) | |
4578 | frame_display_row (fc, &need_col_headers, &max_regs); | |
4579 | else | |
4580 | printf (" DW_CFA_advance_loc2: %ld to %08lx\n", | |
4581 | ofs * fc->code_factor, | |
4582 | fc->pc_begin + ofs * fc->code_factor); | |
4583 | fc->pc_begin += ofs * fc->code_factor; | |
4584 | break; | |
4585 | ||
4586 | case DW_CFA_advance_loc4: | |
4587 | ofs = byte_get (start, 4); start += 4; | |
4588 | if (do_debug_frames_interp) | |
4589 | frame_display_row (fc, &need_col_headers, &max_regs); | |
4590 | else | |
4591 | printf (" DW_CFA_advance_loc4: %ld to %08lx\n", | |
4592 | ofs * fc->code_factor, | |
4593 | fc->pc_begin + ofs * fc->code_factor); | |
4594 | fc->pc_begin += ofs * fc->code_factor; | |
4595 | break; | |
4596 | ||
4597 | case DW_CFA_offset_extended: | |
4598 | reg = LEB (); | |
4599 | roffs = LEB (); | |
665ce1f6 L |
4600 | if (reg >= (unsigned int) fc->ncols) |
4601 | reg_prefix = bad_reg; | |
4602 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
4603 | printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n", | |
4604 | reg_prefix, regname (reg, 0), | |
4605 | roffs * fc->data_factor); | |
4606 | if (*reg_prefix == '\0') | |
4607 | { | |
4608 | fc->col_type[reg] = DW_CFA_offset; | |
4609 | fc->col_offset[reg] = roffs * fc->data_factor; | |
4610 | } | |
19e6b90e L |
4611 | break; |
4612 | ||
12eae2d3 JJ |
4613 | case DW_CFA_val_offset: |
4614 | reg = LEB (); | |
4615 | roffs = LEB (); | |
665ce1f6 L |
4616 | if (reg >= (unsigned int) fc->ncols) |
4617 | reg_prefix = bad_reg; | |
4618 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
4619 | printf (" DW_CFA_val_offset: %s%s at cfa%+ld\n", | |
4620 | reg_prefix, regname (reg, 0), | |
4621 | roffs * fc->data_factor); | |
4622 | if (*reg_prefix == '\0') | |
4623 | { | |
4624 | fc->col_type[reg] = DW_CFA_val_offset; | |
4625 | fc->col_offset[reg] = roffs * fc->data_factor; | |
4626 | } | |
12eae2d3 JJ |
4627 | break; |
4628 | ||
19e6b90e L |
4629 | case DW_CFA_restore_extended: |
4630 | reg = LEB (); | |
665ce1f6 L |
4631 | if (reg >= (unsigned int) cie->ncols |
4632 | || reg >= (unsigned int) fc->ncols) | |
4633 | reg_prefix = bad_reg; | |
4634 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
4635 | printf (" DW_CFA_restore_extended: %s%s\n", | |
4636 | reg_prefix, regname (reg, 0)); | |
4637 | if (*reg_prefix == '\0') | |
4638 | { | |
4639 | fc->col_type[reg] = cie->col_type[reg]; | |
4640 | fc->col_offset[reg] = cie->col_offset[reg]; | |
4641 | } | |
19e6b90e L |
4642 | break; |
4643 | ||
4644 | case DW_CFA_undefined: | |
4645 | reg = LEB (); | |
665ce1f6 L |
4646 | if (reg >= (unsigned int) fc->ncols) |
4647 | reg_prefix = bad_reg; | |
4648 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
4649 | printf (" DW_CFA_undefined: %s%s\n", | |
4650 | reg_prefix, regname (reg, 0)); | |
4651 | if (*reg_prefix == '\0') | |
4652 | { | |
4653 | fc->col_type[reg] = DW_CFA_undefined; | |
4654 | fc->col_offset[reg] = 0; | |
4655 | } | |
19e6b90e L |
4656 | break; |
4657 | ||
4658 | case DW_CFA_same_value: | |
4659 | reg = LEB (); | |
665ce1f6 L |
4660 | if (reg >= (unsigned int) fc->ncols) |
4661 | reg_prefix = bad_reg; | |
4662 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
4663 | printf (" DW_CFA_same_value: %s%s\n", | |
4664 | reg_prefix, regname (reg, 0)); | |
4665 | if (*reg_prefix == '\0') | |
4666 | { | |
4667 | fc->col_type[reg] = DW_CFA_same_value; | |
4668 | fc->col_offset[reg] = 0; | |
4669 | } | |
19e6b90e L |
4670 | break; |
4671 | ||
4672 | case DW_CFA_register: | |
4673 | reg = LEB (); | |
4674 | roffs = LEB (); | |
665ce1f6 L |
4675 | if (reg >= (unsigned int) fc->ncols) |
4676 | reg_prefix = bad_reg; | |
4677 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
2dc4cec1 | 4678 | { |
665ce1f6 L |
4679 | printf (" DW_CFA_register: %s%s in ", |
4680 | reg_prefix, regname (reg, 0)); | |
2dc4cec1 L |
4681 | puts (regname (roffs, 0)); |
4682 | } | |
665ce1f6 L |
4683 | if (*reg_prefix == '\0') |
4684 | { | |
4685 | fc->col_type[reg] = DW_CFA_register; | |
4686 | fc->col_offset[reg] = roffs; | |
4687 | } | |
19e6b90e L |
4688 | break; |
4689 | ||
4690 | case DW_CFA_remember_state: | |
4691 | if (! do_debug_frames_interp) | |
4692 | printf (" DW_CFA_remember_state\n"); | |
3f5e193b | 4693 | rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
19e6b90e | 4694 | rs->ncols = fc->ncols; |
3f5e193b NC |
4695 | rs->col_type = (short int *) xcmalloc (rs->ncols, |
4696 | sizeof (short int)); | |
4697 | rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (int)); | |
19e6b90e L |
4698 | memcpy (rs->col_type, fc->col_type, rs->ncols); |
4699 | memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (int)); | |
4700 | rs->next = remembered_state; | |
4701 | remembered_state = rs; | |
4702 | break; | |
4703 | ||
4704 | case DW_CFA_restore_state: | |
4705 | if (! do_debug_frames_interp) | |
4706 | printf (" DW_CFA_restore_state\n"); | |
4707 | rs = remembered_state; | |
4708 | if (rs) | |
4709 | { | |
4710 | remembered_state = rs->next; | |
cc86f28f | 4711 | frame_need_space (fc, rs->ncols - 1); |
19e6b90e L |
4712 | memcpy (fc->col_type, rs->col_type, rs->ncols); |
4713 | memcpy (fc->col_offset, rs->col_offset, | |
4714 | rs->ncols * sizeof (int)); | |
4715 | free (rs->col_type); | |
4716 | free (rs->col_offset); | |
4717 | free (rs); | |
4718 | } | |
4719 | else if (do_debug_frames_interp) | |
4720 | printf ("Mismatched DW_CFA_restore_state\n"); | |
4721 | break; | |
4722 | ||
4723 | case DW_CFA_def_cfa: | |
4724 | fc->cfa_reg = LEB (); | |
4725 | fc->cfa_offset = LEB (); | |
4726 | fc->cfa_exp = 0; | |
4727 | if (! do_debug_frames_interp) | |
2dc4cec1 L |
4728 | printf (" DW_CFA_def_cfa: %s ofs %d\n", |
4729 | regname (fc->cfa_reg, 0), fc->cfa_offset); | |
19e6b90e L |
4730 | break; |
4731 | ||
4732 | case DW_CFA_def_cfa_register: | |
4733 | fc->cfa_reg = LEB (); | |
4734 | fc->cfa_exp = 0; | |
4735 | if (! do_debug_frames_interp) | |
2dc4cec1 L |
4736 | printf (" DW_CFA_def_cfa_register: %s\n", |
4737 | regname (fc->cfa_reg, 0)); | |
19e6b90e L |
4738 | break; |
4739 | ||
4740 | case DW_CFA_def_cfa_offset: | |
4741 | fc->cfa_offset = LEB (); | |
4742 | if (! do_debug_frames_interp) | |
4743 | printf (" DW_CFA_def_cfa_offset: %d\n", fc->cfa_offset); | |
4744 | break; | |
4745 | ||
4746 | case DW_CFA_nop: | |
4747 | if (! do_debug_frames_interp) | |
4748 | printf (" DW_CFA_nop\n"); | |
4749 | break; | |
4750 | ||
4751 | case DW_CFA_def_cfa_expression: | |
4752 | ul = LEB (); | |
4753 | if (! do_debug_frames_interp) | |
4754 | { | |
4755 | printf (" DW_CFA_def_cfa_expression ("); | |
f1c4cc75 RH |
4756 | decode_location_expression (start, eh_addr_size, ul, 0, |
4757 | section); | |
19e6b90e L |
4758 | printf (")\n"); |
4759 | } | |
4760 | fc->cfa_exp = 1; | |
4761 | start += ul; | |
4762 | break; | |
4763 | ||
4764 | case DW_CFA_expression: | |
4765 | reg = LEB (); | |
4766 | ul = LEB (); | |
665ce1f6 L |
4767 | if (reg >= (unsigned int) fc->ncols) |
4768 | reg_prefix = bad_reg; | |
4769 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
19e6b90e | 4770 | { |
665ce1f6 L |
4771 | printf (" DW_CFA_expression: %s%s (", |
4772 | reg_prefix, regname (reg, 0)); | |
2dc4cec1 | 4773 | decode_location_expression (start, eh_addr_size, |
f1c4cc75 | 4774 | ul, 0, section); |
19e6b90e L |
4775 | printf (")\n"); |
4776 | } | |
665ce1f6 L |
4777 | if (*reg_prefix == '\0') |
4778 | fc->col_type[reg] = DW_CFA_expression; | |
19e6b90e L |
4779 | start += ul; |
4780 | break; | |
4781 | ||
12eae2d3 JJ |
4782 | case DW_CFA_val_expression: |
4783 | reg = LEB (); | |
4784 | ul = LEB (); | |
665ce1f6 L |
4785 | if (reg >= (unsigned int) fc->ncols) |
4786 | reg_prefix = bad_reg; | |
4787 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
12eae2d3 | 4788 | { |
665ce1f6 L |
4789 | printf (" DW_CFA_val_expression: %s%s (", |
4790 | reg_prefix, regname (reg, 0)); | |
f1c4cc75 RH |
4791 | decode_location_expression (start, eh_addr_size, ul, 0, |
4792 | section); | |
12eae2d3 JJ |
4793 | printf (")\n"); |
4794 | } | |
665ce1f6 L |
4795 | if (*reg_prefix == '\0') |
4796 | fc->col_type[reg] = DW_CFA_val_expression; | |
12eae2d3 JJ |
4797 | start += ul; |
4798 | break; | |
4799 | ||
19e6b90e L |
4800 | case DW_CFA_offset_extended_sf: |
4801 | reg = LEB (); | |
4802 | l = SLEB (); | |
665ce1f6 L |
4803 | if (frame_need_space (fc, reg) < 0) |
4804 | reg_prefix = bad_reg; | |
4805 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
4806 | printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n", | |
4807 | reg_prefix, regname (reg, 0), | |
4808 | l * fc->data_factor); | |
4809 | if (*reg_prefix == '\0') | |
4810 | { | |
4811 | fc->col_type[reg] = DW_CFA_offset; | |
4812 | fc->col_offset[reg] = l * fc->data_factor; | |
4813 | } | |
19e6b90e L |
4814 | break; |
4815 | ||
12eae2d3 JJ |
4816 | case DW_CFA_val_offset_sf: |
4817 | reg = LEB (); | |
4818 | l = SLEB (); | |
665ce1f6 L |
4819 | if (frame_need_space (fc, reg) < 0) |
4820 | reg_prefix = bad_reg; | |
4821 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
4822 | printf (" DW_CFA_val_offset_sf: %s%s at cfa%+ld\n", | |
4823 | reg_prefix, regname (reg, 0), | |
4824 | l * fc->data_factor); | |
4825 | if (*reg_prefix == '\0') | |
4826 | { | |
4827 | fc->col_type[reg] = DW_CFA_val_offset; | |
4828 | fc->col_offset[reg] = l * fc->data_factor; | |
4829 | } | |
12eae2d3 JJ |
4830 | break; |
4831 | ||
19e6b90e L |
4832 | case DW_CFA_def_cfa_sf: |
4833 | fc->cfa_reg = LEB (); | |
4834 | fc->cfa_offset = SLEB (); | |
4835 | fc->cfa_offset = fc->cfa_offset * fc->data_factor; | |
4836 | fc->cfa_exp = 0; | |
4837 | if (! do_debug_frames_interp) | |
2dc4cec1 L |
4838 | printf (" DW_CFA_def_cfa_sf: %s ofs %d\n", |
4839 | regname (fc->cfa_reg, 0), fc->cfa_offset); | |
19e6b90e L |
4840 | break; |
4841 | ||
4842 | case DW_CFA_def_cfa_offset_sf: | |
4843 | fc->cfa_offset = SLEB (); | |
4844 | fc->cfa_offset = fc->cfa_offset * fc->data_factor; | |
4845 | if (! do_debug_frames_interp) | |
4846 | printf (" DW_CFA_def_cfa_offset_sf: %d\n", fc->cfa_offset); | |
4847 | break; | |
4848 | ||
4849 | case DW_CFA_MIPS_advance_loc8: | |
4850 | ofs = byte_get (start, 8); start += 8; | |
4851 | if (do_debug_frames_interp) | |
4852 | frame_display_row (fc, &need_col_headers, &max_regs); | |
4853 | else | |
4854 | printf (" DW_CFA_MIPS_advance_loc8: %ld to %08lx\n", | |
4855 | ofs * fc->code_factor, | |
4856 | fc->pc_begin + ofs * fc->code_factor); | |
4857 | fc->pc_begin += ofs * fc->code_factor; | |
4858 | break; | |
4859 | ||
4860 | case DW_CFA_GNU_window_save: | |
4861 | if (! do_debug_frames_interp) | |
4862 | printf (" DW_CFA_GNU_window_save\n"); | |
4863 | break; | |
4864 | ||
4865 | case DW_CFA_GNU_args_size: | |
4866 | ul = LEB (); | |
4867 | if (! do_debug_frames_interp) | |
4868 | printf (" DW_CFA_GNU_args_size: %ld\n", ul); | |
4869 | break; | |
4870 | ||
4871 | case DW_CFA_GNU_negative_offset_extended: | |
4872 | reg = LEB (); | |
4873 | l = - LEB (); | |
665ce1f6 L |
4874 | if (frame_need_space (fc, reg) < 0) |
4875 | reg_prefix = bad_reg; | |
4876 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
4877 | printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n", | |
4878 | reg_prefix, regname (reg, 0), | |
4879 | l * fc->data_factor); | |
4880 | if (*reg_prefix == '\0') | |
4881 | { | |
4882 | fc->col_type[reg] = DW_CFA_offset; | |
4883 | fc->col_offset[reg] = l * fc->data_factor; | |
4884 | } | |
19e6b90e L |
4885 | break; |
4886 | ||
4887 | default: | |
53b8873b NC |
4888 | if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user) |
4889 | printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op); | |
4890 | else | |
cecf136e | 4891 | warn (_("unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op); |
19e6b90e L |
4892 | start = block_end; |
4893 | } | |
4894 | } | |
4895 | ||
4896 | if (do_debug_frames_interp) | |
4897 | frame_display_row (fc, &need_col_headers, &max_regs); | |
4898 | ||
4899 | start = block_end; | |
604282a7 | 4900 | eh_addr_size = saved_eh_addr_size; |
19e6b90e L |
4901 | } |
4902 | ||
4903 | printf ("\n"); | |
4904 | ||
4905 | return 1; | |
4906 | } | |
4907 | ||
4908 | #undef GET | |
4909 | #undef LEB | |
4910 | #undef SLEB | |
4911 | ||
4912 | static int | |
4913 | display_debug_not_supported (struct dwarf_section *section, | |
4914 | void *file ATTRIBUTE_UNUSED) | |
4915 | { | |
4916 | printf (_("Displaying the debug contents of section %s is not yet supported.\n"), | |
4917 | section->name); | |
4918 | ||
4919 | return 1; | |
4920 | } | |
4921 | ||
4922 | void * | |
4923 | cmalloc (size_t nmemb, size_t size) | |
4924 | { | |
4925 | /* Check for overflow. */ | |
4926 | if (nmemb >= ~(size_t) 0 / size) | |
4927 | return NULL; | |
4928 | else | |
4929 | return malloc (nmemb * size); | |
4930 | } | |
4931 | ||
4932 | void * | |
4933 | xcmalloc (size_t nmemb, size_t size) | |
4934 | { | |
4935 | /* Check for overflow. */ | |
4936 | if (nmemb >= ~(size_t) 0 / size) | |
4937 | return NULL; | |
4938 | else | |
4939 | return xmalloc (nmemb * size); | |
4940 | } | |
4941 | ||
4942 | void * | |
4943 | xcrealloc (void *ptr, size_t nmemb, size_t size) | |
4944 | { | |
4945 | /* Check for overflow. */ | |
4946 | if (nmemb >= ~(size_t) 0 / size) | |
4947 | return NULL; | |
4948 | else | |
4949 | return xrealloc (ptr, nmemb * size); | |
4950 | } | |
4951 | ||
4952 | void | |
4953 | error (const char *message, ...) | |
4954 | { | |
4955 | va_list args; | |
4956 | ||
4957 | va_start (args, message); | |
4958 | fprintf (stderr, _("%s: Error: "), program_name); | |
4959 | vfprintf (stderr, message, args); | |
4960 | va_end (args); | |
4961 | } | |
4962 | ||
4963 | void | |
4964 | warn (const char *message, ...) | |
4965 | { | |
4966 | va_list args; | |
4967 | ||
4968 | va_start (args, message); | |
4969 | fprintf (stderr, _("%s: Warning: "), program_name); | |
4970 | vfprintf (stderr, message, args); | |
4971 | va_end (args); | |
4972 | } | |
4973 | ||
4974 | void | |
4975 | free_debug_memory (void) | |
4976 | { | |
3f5e193b | 4977 | unsigned int i; |
19e6b90e L |
4978 | |
4979 | free_abbrevs (); | |
4980 | ||
4981 | for (i = 0; i < max; i++) | |
3f5e193b | 4982 | free_debug_section ((enum dwarf_section_display_enum) i); |
19e6b90e | 4983 | |
cc86f28f | 4984 | if (debug_information != NULL) |
19e6b90e | 4985 | { |
cc86f28f | 4986 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE) |
19e6b90e | 4987 | { |
cc86f28f | 4988 | for (i = 0; i < num_debug_info_entries; i++) |
19e6b90e | 4989 | { |
cc86f28f NC |
4990 | if (!debug_information [i].max_loc_offsets) |
4991 | { | |
4992 | free (debug_information [i].loc_offsets); | |
4993 | free (debug_information [i].have_frame_base); | |
4994 | } | |
4995 | if (!debug_information [i].max_range_lists) | |
4996 | free (debug_information [i].range_lists); | |
19e6b90e | 4997 | } |
19e6b90e | 4998 | } |
cc86f28f | 4999 | |
19e6b90e L |
5000 | free (debug_information); |
5001 | debug_information = NULL; | |
5002 | num_debug_info_entries = 0; | |
5003 | } | |
19e6b90e L |
5004 | } |
5005 | ||
4cb93e3b TG |
5006 | void |
5007 | dwarf_select_sections_by_names (const char *names) | |
5008 | { | |
5009 | typedef struct | |
5010 | { | |
5011 | const char * option; | |
5012 | int * variable; | |
f9f0e732 | 5013 | int val; |
4cb93e3b TG |
5014 | } |
5015 | debug_dump_long_opts; | |
5016 | ||
5017 | static const debug_dump_long_opts opts_table [] = | |
5018 | { | |
5019 | /* Please keep this table alpha- sorted. */ | |
5020 | { "Ranges", & do_debug_ranges, 1 }, | |
5021 | { "abbrev", & do_debug_abbrevs, 1 }, | |
5022 | { "aranges", & do_debug_aranges, 1 }, | |
5023 | { "frames", & do_debug_frames, 1 }, | |
5024 | { "frames-interp", & do_debug_frames_interp, 1 }, | |
5025 | { "info", & do_debug_info, 1 }, | |
5026 | { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */ | |
5027 | { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, | |
5028 | { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED }, | |
5029 | { "loc", & do_debug_loc, 1 }, | |
5030 | { "macro", & do_debug_macinfo, 1 }, | |
5031 | { "pubnames", & do_debug_pubnames, 1 }, | |
357da287 | 5032 | { "pubtypes", & do_debug_pubtypes, 1 }, |
4cb93e3b TG |
5033 | /* This entry is for compatability |
5034 | with earlier versions of readelf. */ | |
5035 | { "ranges", & do_debug_aranges, 1 }, | |
5036 | { "str", & do_debug_str, 1 }, | |
5037 | { NULL, NULL, 0 } | |
5038 | }; | |
5039 | ||
5040 | const char *p; | |
5041 | ||
5042 | p = names; | |
5043 | while (*p) | |
5044 | { | |
5045 | const debug_dump_long_opts * entry; | |
5046 | ||
5047 | for (entry = opts_table; entry->option; entry++) | |
5048 | { | |
5049 | size_t len = strlen (entry->option); | |
5050 | ||
5051 | if (strncmp (p, entry->option, len) == 0 | |
5052 | && (p[len] == ',' || p[len] == '\0')) | |
5053 | { | |
5054 | * entry->variable |= entry->val; | |
5055 | ||
5056 | /* The --debug-dump=frames-interp option also | |
5057 | enables the --debug-dump=frames option. */ | |
5058 | if (do_debug_frames_interp) | |
5059 | do_debug_frames = 1; | |
5060 | ||
5061 | p += len; | |
5062 | break; | |
5063 | } | |
5064 | } | |
5065 | ||
5066 | if (entry->option == NULL) | |
5067 | { | |
5068 | warn (_("Unrecognized debug option '%s'\n"), p); | |
5069 | p = strchr (p, ','); | |
5070 | if (p == NULL) | |
5071 | break; | |
5072 | } | |
5073 | ||
5074 | if (*p == ',') | |
5075 | p++; | |
5076 | } | |
5077 | } | |
5078 | ||
5079 | void | |
5080 | dwarf_select_sections_by_letters (const char *letters) | |
5081 | { | |
91d6fa6a | 5082 | unsigned int lindex = 0; |
4cb93e3b | 5083 | |
91d6fa6a NC |
5084 | while (letters[lindex]) |
5085 | switch (letters[lindex++]) | |
4cb93e3b TG |
5086 | { |
5087 | case 'i': | |
5088 | do_debug_info = 1; | |
5089 | break; | |
5090 | ||
5091 | case 'a': | |
5092 | do_debug_abbrevs = 1; | |
5093 | break; | |
5094 | ||
5095 | case 'l': | |
5096 | do_debug_lines |= FLAG_DEBUG_LINES_RAW; | |
5097 | break; | |
5098 | ||
5099 | case 'L': | |
5100 | do_debug_lines |= FLAG_DEBUG_LINES_DECODED; | |
5101 | break; | |
5102 | ||
5103 | case 'p': | |
5104 | do_debug_pubnames = 1; | |
5105 | break; | |
5106 | ||
f9f0e732 NC |
5107 | case 't': |
5108 | do_debug_pubtypes = 1; | |
5109 | break; | |
5110 | ||
4cb93e3b TG |
5111 | case 'r': |
5112 | do_debug_aranges = 1; | |
5113 | break; | |
5114 | ||
5115 | case 'R': | |
5116 | do_debug_ranges = 1; | |
5117 | break; | |
5118 | ||
5119 | case 'F': | |
5120 | do_debug_frames_interp = 1; | |
5121 | case 'f': | |
5122 | do_debug_frames = 1; | |
5123 | break; | |
5124 | ||
5125 | case 'm': | |
5126 | do_debug_macinfo = 1; | |
5127 | break; | |
5128 | ||
5129 | case 's': | |
5130 | do_debug_str = 1; | |
5131 | break; | |
5132 | ||
5133 | case 'o': | |
5134 | do_debug_loc = 1; | |
5135 | break; | |
5136 | ||
5137 | default: | |
5138 | warn (_("Unrecognized debug option '%s'\n"), optarg); | |
5139 | break; | |
5140 | } | |
5141 | } | |
5142 | ||
5143 | void | |
5144 | dwarf_select_sections_all (void) | |
5145 | { | |
5146 | do_debug_info = 1; | |
5147 | do_debug_abbrevs = 1; | |
5148 | do_debug_lines = FLAG_DEBUG_LINES_RAW; | |
5149 | do_debug_pubnames = 1; | |
f9f0e732 | 5150 | do_debug_pubtypes = 1; |
4cb93e3b TG |
5151 | do_debug_aranges = 1; |
5152 | do_debug_ranges = 1; | |
5153 | do_debug_frames = 1; | |
5154 | do_debug_macinfo = 1; | |
5155 | do_debug_str = 1; | |
5156 | do_debug_loc = 1; | |
5157 | } | |
5158 | ||
19e6b90e L |
5159 | struct dwarf_section_display debug_displays[] = |
5160 | { | |
1b315056 | 5161 | { { ".debug_abbrev", ".zdebug_abbrev", NULL, NULL, 0, 0 }, |
c8450da8 | 5162 | display_debug_abbrev, &do_debug_abbrevs, 0 }, |
1b315056 | 5163 | { { ".debug_aranges", ".zdebug_aranges", NULL, NULL, 0, 0 }, |
c8450da8 | 5164 | display_debug_aranges, &do_debug_aranges, 1 }, |
1b315056 | 5165 | { { ".debug_frame", ".zdebug_frame", NULL, NULL, 0, 0 }, |
c8450da8 | 5166 | display_debug_frames, &do_debug_frames, 1 }, |
1b315056 | 5167 | { { ".debug_info", ".zdebug_info", NULL, NULL, 0, 0 }, |
c8450da8 | 5168 | display_debug_info, &do_debug_info, 1 }, |
1b315056 | 5169 | { { ".debug_line", ".zdebug_line", NULL, NULL, 0, 0 }, |
c8450da8 | 5170 | display_debug_lines, &do_debug_lines, 1 }, |
1b315056 | 5171 | { { ".debug_pubnames", ".zdebug_pubnames", NULL, NULL, 0, 0 }, |
c8450da8 | 5172 | display_debug_pubnames, &do_debug_pubnames, 0 }, |
1b315056 | 5173 | { { ".eh_frame", "", NULL, NULL, 0, 0 }, |
c8450da8 | 5174 | display_debug_frames, &do_debug_frames, 1 }, |
1b315056 | 5175 | { { ".debug_macinfo", ".zdebug_macinfo", NULL, NULL, 0, 0 }, |
c8450da8 | 5176 | display_debug_macinfo, &do_debug_macinfo, 0 }, |
1b315056 | 5177 | { { ".debug_str", ".zdebug_str", NULL, NULL, 0, 0 }, |
c8450da8 | 5178 | display_debug_str, &do_debug_str, 0 }, |
1b315056 | 5179 | { { ".debug_loc", ".zdebug_loc", NULL, NULL, 0, 0 }, |
c8450da8 | 5180 | display_debug_loc, &do_debug_loc, 1 }, |
1b315056 | 5181 | { { ".debug_pubtypes", ".zdebug_pubtypes", NULL, NULL, 0, 0 }, |
f9f0e732 | 5182 | display_debug_pubnames, &do_debug_pubtypes, 0 }, |
1b315056 | 5183 | { { ".debug_ranges", ".zdebug_ranges", NULL, NULL, 0, 0 }, |
c8450da8 | 5184 | display_debug_ranges, &do_debug_ranges, 1 }, |
1b315056 | 5185 | { { ".debug_static_func", ".zdebug_static_func", NULL, NULL, 0, 0 }, |
c8450da8 | 5186 | display_debug_not_supported, NULL, 0 }, |
1b315056 | 5187 | { { ".debug_static_vars", ".zdebug_static_vars", NULL, NULL, 0, 0 }, |
c8450da8 | 5188 | display_debug_not_supported, NULL, 0 }, |
4cb93e3b | 5189 | { { ".debug_types", ".zdebug_types", NULL, NULL, 0, 0 }, |
2b6f5997 | 5190 | display_debug_types, &do_debug_info, 1 }, |
1b315056 | 5191 | { { ".debug_weaknames", ".zdebug_weaknames", NULL, NULL, 0, 0 }, |
c8450da8 | 5192 | display_debug_not_supported, NULL, 0 } |
19e6b90e | 5193 | }; |