Commit | Line | Data |
---|---|---|
19e6b90e | 1 | /* dwarf.c -- display DWARF contents of a BFD binary file |
4b78141a | 2 | Copyright 2005, 2006, 2007 |
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" | |
26 | #include "elf/dwarf2.h" | |
27 | #include "dwarf.h" | |
19e6b90e L |
28 | |
29 | static int have_frame_base; | |
30 | static int need_base_address; | |
31 | ||
32 | static unsigned int last_pointer_size = 0; | |
33 | static int warned_about_missing_comp_units = FALSE; | |
34 | ||
35 | static unsigned int num_debug_info_entries = 0; | |
36 | static debug_info *debug_information = NULL; | |
37 | ||
38 | dwarf_vma eh_addr_size; | |
19e6b90e L |
39 | |
40 | int do_debug_info; | |
41 | int do_debug_abbrevs; | |
42 | int do_debug_lines; | |
43 | int do_debug_pubnames; | |
44 | int do_debug_aranges; | |
45 | int do_debug_ranges; | |
46 | int do_debug_frames; | |
47 | int do_debug_frames_interp; | |
48 | int do_debug_macinfo; | |
49 | int do_debug_str; | |
50 | int do_debug_loc; | |
51 | ||
52 | dwarf_vma (*byte_get) (unsigned char *, int); | |
53 | ||
54 | dwarf_vma | |
55 | byte_get_little_endian (unsigned char *field, int size) | |
56 | { | |
57 | switch (size) | |
58 | { | |
59 | case 1: | |
60 | return *field; | |
61 | ||
62 | case 2: | |
63 | return ((unsigned int) (field[0])) | |
64 | | (((unsigned int) (field[1])) << 8); | |
65 | ||
66 | case 4: | |
67 | return ((unsigned long) (field[0])) | |
68 | | (((unsigned long) (field[1])) << 8) | |
69 | | (((unsigned long) (field[2])) << 16) | |
70 | | (((unsigned long) (field[3])) << 24); | |
71 | ||
72 | case 8: | |
73 | if (sizeof (dwarf_vma) == 8) | |
74 | return ((dwarf_vma) (field[0])) | |
75 | | (((dwarf_vma) (field[1])) << 8) | |
76 | | (((dwarf_vma) (field[2])) << 16) | |
77 | | (((dwarf_vma) (field[3])) << 24) | |
78 | | (((dwarf_vma) (field[4])) << 32) | |
79 | | (((dwarf_vma) (field[5])) << 40) | |
80 | | (((dwarf_vma) (field[6])) << 48) | |
81 | | (((dwarf_vma) (field[7])) << 56); | |
82 | else if (sizeof (dwarf_vma) == 4) | |
83 | /* We want to extract data from an 8 byte wide field and | |
84 | place it into a 4 byte wide field. Since this is a little | |
85 | endian source we can just use the 4 byte extraction code. */ | |
86 | return ((unsigned long) (field[0])) | |
87 | | (((unsigned long) (field[1])) << 8) | |
88 | | (((unsigned long) (field[2])) << 16) | |
89 | | (((unsigned long) (field[3])) << 24); | |
90 | ||
91 | default: | |
92 | error (_("Unhandled data length: %d\n"), size); | |
93 | abort (); | |
94 | } | |
95 | } | |
96 | ||
97 | dwarf_vma | |
98 | byte_get_big_endian (unsigned char *field, int size) | |
99 | { | |
100 | switch (size) | |
101 | { | |
102 | case 1: | |
103 | return *field; | |
104 | ||
105 | case 2: | |
106 | return ((unsigned int) (field[1])) | (((int) (field[0])) << 8); | |
107 | ||
108 | case 4: | |
109 | return ((unsigned long) (field[3])) | |
110 | | (((unsigned long) (field[2])) << 8) | |
111 | | (((unsigned long) (field[1])) << 16) | |
112 | | (((unsigned long) (field[0])) << 24); | |
113 | ||
114 | case 8: | |
115 | if (sizeof (dwarf_vma) == 8) | |
116 | return ((dwarf_vma) (field[7])) | |
117 | | (((dwarf_vma) (field[6])) << 8) | |
118 | | (((dwarf_vma) (field[5])) << 16) | |
119 | | (((dwarf_vma) (field[4])) << 24) | |
120 | | (((dwarf_vma) (field[3])) << 32) | |
121 | | (((dwarf_vma) (field[2])) << 40) | |
122 | | (((dwarf_vma) (field[1])) << 48) | |
123 | | (((dwarf_vma) (field[0])) << 56); | |
124 | else if (sizeof (dwarf_vma) == 4) | |
125 | { | |
126 | /* Although we are extracing data from an 8 byte wide field, | |
127 | we are returning only 4 bytes of data. */ | |
128 | field += 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 | ||
135 | default: | |
136 | error (_("Unhandled data length: %d\n"), size); | |
137 | abort (); | |
138 | } | |
139 | } | |
140 | ||
141 | static dwarf_vma | |
142 | byte_get_signed (unsigned char *field, int size) | |
143 | { | |
144 | dwarf_vma x = byte_get (field, size); | |
145 | ||
146 | switch (size) | |
147 | { | |
148 | case 1: | |
149 | return (x ^ 0x80) - 0x80; | |
150 | case 2: | |
151 | return (x ^ 0x8000) - 0x8000; | |
152 | case 4: | |
153 | return (x ^ 0x80000000) - 0x80000000; | |
154 | case 8: | |
155 | return x; | |
156 | default: | |
157 | abort (); | |
158 | } | |
159 | } | |
160 | ||
161 | static unsigned long int | |
162 | read_leb128 (unsigned char *data, unsigned int *length_return, int sign) | |
163 | { | |
164 | unsigned long int result = 0; | |
165 | unsigned int num_read = 0; | |
166 | unsigned int shift = 0; | |
167 | unsigned char byte; | |
168 | ||
169 | do | |
170 | { | |
171 | byte = *data++; | |
172 | num_read++; | |
173 | ||
174 | result |= ((unsigned long int) (byte & 0x7f)) << shift; | |
175 | ||
176 | shift += 7; | |
177 | ||
178 | } | |
179 | while (byte & 0x80); | |
180 | ||
181 | if (length_return != NULL) | |
182 | *length_return = num_read; | |
183 | ||
184 | if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40)) | |
185 | result |= -1L << shift; | |
186 | ||
187 | return result; | |
188 | } | |
189 | ||
190 | typedef struct State_Machine_Registers | |
191 | { | |
192 | unsigned long address; | |
193 | unsigned int file; | |
194 | unsigned int line; | |
195 | unsigned int column; | |
196 | int is_stmt; | |
197 | int basic_block; | |
198 | int end_sequence; | |
199 | /* This variable hold the number of the last entry seen | |
200 | in the File Table. */ | |
201 | unsigned int last_file_entry; | |
202 | } SMR; | |
203 | ||
204 | static SMR state_machine_regs; | |
205 | ||
206 | static void | |
207 | reset_state_machine (int is_stmt) | |
208 | { | |
209 | state_machine_regs.address = 0; | |
210 | state_machine_regs.file = 1; | |
211 | state_machine_regs.line = 1; | |
212 | state_machine_regs.column = 0; | |
213 | state_machine_regs.is_stmt = is_stmt; | |
214 | state_machine_regs.basic_block = 0; | |
215 | state_machine_regs.end_sequence = 0; | |
216 | state_machine_regs.last_file_entry = 0; | |
217 | } | |
218 | ||
219 | /* Handled an extend line op. | |
220 | Returns the number of bytes read. */ | |
221 | ||
222 | static int | |
1617e571 | 223 | process_extended_line_op (unsigned char *data, int is_stmt) |
19e6b90e L |
224 | { |
225 | unsigned char op_code; | |
226 | unsigned int bytes_read; | |
227 | unsigned int len; | |
228 | unsigned char *name; | |
229 | unsigned long adr; | |
230 | ||
231 | len = read_leb128 (data, & bytes_read, 0); | |
232 | data += bytes_read; | |
233 | ||
234 | if (len == 0) | |
235 | { | |
236 | warn (_("badly formed extended line op encountered!\n")); | |
237 | return bytes_read; | |
238 | } | |
239 | ||
240 | len += bytes_read; | |
241 | op_code = *data++; | |
242 | ||
243 | printf (_(" Extended opcode %d: "), op_code); | |
244 | ||
245 | switch (op_code) | |
246 | { | |
247 | case DW_LNE_end_sequence: | |
248 | printf (_("End of Sequence\n\n")); | |
249 | reset_state_machine (is_stmt); | |
250 | break; | |
251 | ||
252 | case DW_LNE_set_address: | |
1617e571 | 253 | adr = byte_get (data, len - bytes_read - 1); |
19e6b90e L |
254 | printf (_("set Address to 0x%lx\n"), adr); |
255 | state_machine_regs.address = adr; | |
256 | break; | |
257 | ||
258 | case DW_LNE_define_file: | |
259 | printf (_(" define new File Table entry\n")); | |
260 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); | |
261 | ||
262 | printf (_(" %d\t"), ++state_machine_regs.last_file_entry); | |
263 | name = data; | |
264 | data += strlen ((char *) data) + 1; | |
265 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |
266 | data += bytes_read; | |
267 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |
268 | data += bytes_read; | |
269 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |
270 | printf (_("%s\n\n"), name); | |
271 | break; | |
272 | ||
e2a0d921 NC |
273 | /* HP extensions. */ |
274 | case DW_LNE_HP_negate_is_UV_update: | |
275 | printf ("DW_LNE_HP_negate_is_UV_update"); | |
276 | break; | |
277 | case DW_LNE_HP_push_context: | |
278 | printf ("DW_LNE_HP_push_context"); | |
279 | break; | |
280 | case DW_LNE_HP_pop_context: | |
281 | printf ("DW_LNE_HP_pop_context"); | |
282 | break; | |
283 | case DW_LNE_HP_set_file_line_column: | |
284 | printf ("DW_LNE_HP_set_file_line_column"); | |
285 | break; | |
286 | case DW_LNE_HP_set_routine_name: | |
287 | printf ("DW_LNE_HP_set_routine_name"); | |
288 | break; | |
289 | case DW_LNE_HP_set_sequence: | |
290 | printf ("DW_LNE_HP_set_sequence"); | |
291 | break; | |
292 | case DW_LNE_HP_negate_post_semantics: | |
293 | printf ("DW_LNE_HP_negate_post_semantics"); | |
294 | break; | |
295 | case DW_LNE_HP_negate_function_exit: | |
296 | printf ("DW_LNE_HP_negate_function_exit"); | |
297 | break; | |
298 | case DW_LNE_HP_negate_front_end_logical: | |
299 | printf ("DW_LNE_HP_negate_front_end_logical"); | |
300 | break; | |
301 | case DW_LNE_HP_define_proc: | |
302 | printf ("DW_LNE_HP_define_proc"); | |
303 | break; | |
304 | ||
19e6b90e | 305 | default: |
e2a0d921 NC |
306 | if (op_code >= DW_LNE_lo_user |
307 | /* The test against DW_LNW_hi_user is redundant due to | |
308 | the limited range of the unsigned char data type used | |
309 | for op_code. */ | |
310 | /*&& op_code <= DW_LNE_hi_user*/) | |
311 | printf (_("user defined: length %d\n"), len - bytes_read); | |
312 | else | |
313 | printf (_("UNKNOWN: length %d\n"), len - bytes_read); | |
19e6b90e L |
314 | break; |
315 | } | |
316 | ||
317 | return len; | |
318 | } | |
319 | ||
320 | static const char * | |
321 | fetch_indirect_string (unsigned long offset) | |
322 | { | |
323 | struct dwarf_section *section = &debug_displays [str].section; | |
324 | ||
325 | if (section->start == NULL) | |
326 | return _("<no .debug_str section>"); | |
327 | ||
bfe2612a L |
328 | /* DWARF sections under Mach-O have non-zero addresses. */ |
329 | offset -= section->address; | |
19e6b90e L |
330 | if (offset > section->size) |
331 | { | |
332 | warn (_("DW_FORM_strp offset too big: %lx\n"), offset); | |
333 | return _("<offset is too big>"); | |
334 | } | |
335 | ||
336 | return (const char *) section->start + offset; | |
337 | } | |
338 | ||
339 | /* FIXME: There are better and more efficient ways to handle | |
340 | these structures. For now though, I just want something that | |
341 | is simple to implement. */ | |
342 | typedef struct abbrev_attr | |
343 | { | |
344 | unsigned long attribute; | |
345 | unsigned long form; | |
346 | struct abbrev_attr *next; | |
347 | } | |
348 | abbrev_attr; | |
349 | ||
350 | typedef struct abbrev_entry | |
351 | { | |
352 | unsigned long entry; | |
353 | unsigned long tag; | |
354 | int children; | |
355 | struct abbrev_attr *first_attr; | |
356 | struct abbrev_attr *last_attr; | |
357 | struct abbrev_entry *next; | |
358 | } | |
359 | abbrev_entry; | |
360 | ||
361 | static abbrev_entry *first_abbrev = NULL; | |
362 | static abbrev_entry *last_abbrev = NULL; | |
363 | ||
364 | static void | |
365 | free_abbrevs (void) | |
366 | { | |
367 | abbrev_entry *abbrev; | |
368 | ||
369 | for (abbrev = first_abbrev; abbrev;) | |
370 | { | |
371 | abbrev_entry *next = abbrev->next; | |
372 | abbrev_attr *attr; | |
373 | ||
374 | for (attr = abbrev->first_attr; attr;) | |
375 | { | |
376 | abbrev_attr *next = attr->next; | |
377 | ||
378 | free (attr); | |
379 | attr = next; | |
380 | } | |
381 | ||
382 | free (abbrev); | |
383 | abbrev = next; | |
384 | } | |
385 | ||
386 | last_abbrev = first_abbrev = NULL; | |
387 | } | |
388 | ||
389 | static void | |
390 | add_abbrev (unsigned long number, unsigned long tag, int children) | |
391 | { | |
392 | abbrev_entry *entry; | |
393 | ||
394 | entry = malloc (sizeof (*entry)); | |
395 | ||
396 | if (entry == NULL) | |
397 | /* ugg */ | |
398 | return; | |
399 | ||
400 | entry->entry = number; | |
401 | entry->tag = tag; | |
402 | entry->children = children; | |
403 | entry->first_attr = NULL; | |
404 | entry->last_attr = NULL; | |
405 | entry->next = NULL; | |
406 | ||
407 | if (first_abbrev == NULL) | |
408 | first_abbrev = entry; | |
409 | else | |
410 | last_abbrev->next = entry; | |
411 | ||
412 | last_abbrev = entry; | |
413 | } | |
414 | ||
415 | static void | |
416 | add_abbrev_attr (unsigned long attribute, unsigned long form) | |
417 | { | |
418 | abbrev_attr *attr; | |
419 | ||
420 | attr = malloc (sizeof (*attr)); | |
421 | ||
422 | if (attr == NULL) | |
423 | /* ugg */ | |
424 | return; | |
425 | ||
426 | attr->attribute = attribute; | |
427 | attr->form = form; | |
428 | attr->next = NULL; | |
429 | ||
430 | if (last_abbrev->first_attr == NULL) | |
431 | last_abbrev->first_attr = attr; | |
432 | else | |
433 | last_abbrev->last_attr->next = attr; | |
434 | ||
435 | last_abbrev->last_attr = attr; | |
436 | } | |
437 | ||
438 | /* Processes the (partial) contents of a .debug_abbrev section. | |
439 | Returns NULL if the end of the section was encountered. | |
440 | Returns the address after the last byte read if the end of | |
441 | an abbreviation set was found. */ | |
442 | ||
443 | static unsigned char * | |
444 | process_abbrev_section (unsigned char *start, unsigned char *end) | |
445 | { | |
446 | if (first_abbrev != NULL) | |
447 | return NULL; | |
448 | ||
449 | while (start < end) | |
450 | { | |
451 | unsigned int bytes_read; | |
452 | unsigned long entry; | |
453 | unsigned long tag; | |
454 | unsigned long attribute; | |
455 | int children; | |
456 | ||
457 | entry = read_leb128 (start, & bytes_read, 0); | |
458 | start += bytes_read; | |
459 | ||
460 | /* A single zero is supposed to end the section according | |
461 | to the standard. If there's more, then signal that to | |
462 | the caller. */ | |
463 | if (entry == 0) | |
464 | return start == end ? NULL : start; | |
465 | ||
466 | tag = read_leb128 (start, & bytes_read, 0); | |
467 | start += bytes_read; | |
468 | ||
469 | children = *start++; | |
470 | ||
471 | add_abbrev (entry, tag, children); | |
472 | ||
473 | do | |
474 | { | |
475 | unsigned long form; | |
476 | ||
477 | attribute = read_leb128 (start, & bytes_read, 0); | |
478 | start += bytes_read; | |
479 | ||
480 | form = read_leb128 (start, & bytes_read, 0); | |
481 | start += bytes_read; | |
482 | ||
483 | if (attribute != 0) | |
484 | add_abbrev_attr (attribute, form); | |
485 | } | |
486 | while (attribute != 0); | |
487 | } | |
488 | ||
489 | return NULL; | |
490 | } | |
491 | ||
492 | static char * | |
493 | get_TAG_name (unsigned long tag) | |
494 | { | |
495 | switch (tag) | |
496 | { | |
497 | case DW_TAG_padding: return "DW_TAG_padding"; | |
498 | case DW_TAG_array_type: return "DW_TAG_array_type"; | |
499 | case DW_TAG_class_type: return "DW_TAG_class_type"; | |
500 | case DW_TAG_entry_point: return "DW_TAG_entry_point"; | |
501 | case DW_TAG_enumeration_type: return "DW_TAG_enumeration_type"; | |
502 | case DW_TAG_formal_parameter: return "DW_TAG_formal_parameter"; | |
503 | case DW_TAG_imported_declaration: return "DW_TAG_imported_declaration"; | |
504 | case DW_TAG_label: return "DW_TAG_label"; | |
505 | case DW_TAG_lexical_block: return "DW_TAG_lexical_block"; | |
506 | case DW_TAG_member: return "DW_TAG_member"; | |
507 | case DW_TAG_pointer_type: return "DW_TAG_pointer_type"; | |
508 | case DW_TAG_reference_type: return "DW_TAG_reference_type"; | |
509 | case DW_TAG_compile_unit: return "DW_TAG_compile_unit"; | |
510 | case DW_TAG_string_type: return "DW_TAG_string_type"; | |
511 | case DW_TAG_structure_type: return "DW_TAG_structure_type"; | |
512 | case DW_TAG_subroutine_type: return "DW_TAG_subroutine_type"; | |
513 | case DW_TAG_typedef: return "DW_TAG_typedef"; | |
514 | case DW_TAG_union_type: return "DW_TAG_union_type"; | |
515 | case DW_TAG_unspecified_parameters: return "DW_TAG_unspecified_parameters"; | |
516 | case DW_TAG_variant: return "DW_TAG_variant"; | |
517 | case DW_TAG_common_block: return "DW_TAG_common_block"; | |
518 | case DW_TAG_common_inclusion: return "DW_TAG_common_inclusion"; | |
519 | case DW_TAG_inheritance: return "DW_TAG_inheritance"; | |
520 | case DW_TAG_inlined_subroutine: return "DW_TAG_inlined_subroutine"; | |
521 | case DW_TAG_module: return "DW_TAG_module"; | |
522 | case DW_TAG_ptr_to_member_type: return "DW_TAG_ptr_to_member_type"; | |
523 | case DW_TAG_set_type: return "DW_TAG_set_type"; | |
524 | case DW_TAG_subrange_type: return "DW_TAG_subrange_type"; | |
525 | case DW_TAG_with_stmt: return "DW_TAG_with_stmt"; | |
526 | case DW_TAG_access_declaration: return "DW_TAG_access_declaration"; | |
527 | case DW_TAG_base_type: return "DW_TAG_base_type"; | |
528 | case DW_TAG_catch_block: return "DW_TAG_catch_block"; | |
529 | case DW_TAG_const_type: return "DW_TAG_const_type"; | |
530 | case DW_TAG_constant: return "DW_TAG_constant"; | |
531 | case DW_TAG_enumerator: return "DW_TAG_enumerator"; | |
532 | case DW_TAG_file_type: return "DW_TAG_file_type"; | |
533 | case DW_TAG_friend: return "DW_TAG_friend"; | |
534 | case DW_TAG_namelist: return "DW_TAG_namelist"; | |
535 | case DW_TAG_namelist_item: return "DW_TAG_namelist_item"; | |
536 | case DW_TAG_packed_type: return "DW_TAG_packed_type"; | |
537 | case DW_TAG_subprogram: return "DW_TAG_subprogram"; | |
538 | case DW_TAG_template_type_param: return "DW_TAG_template_type_param"; | |
539 | case DW_TAG_template_value_param: return "DW_TAG_template_value_param"; | |
540 | case DW_TAG_thrown_type: return "DW_TAG_thrown_type"; | |
541 | case DW_TAG_try_block: return "DW_TAG_try_block"; | |
542 | case DW_TAG_variant_part: return "DW_TAG_variant_part"; | |
543 | case DW_TAG_variable: return "DW_TAG_variable"; | |
544 | case DW_TAG_volatile_type: return "DW_TAG_volatile_type"; | |
545 | case DW_TAG_MIPS_loop: return "DW_TAG_MIPS_loop"; | |
546 | case DW_TAG_format_label: return "DW_TAG_format_label"; | |
547 | case DW_TAG_function_template: return "DW_TAG_function_template"; | |
548 | case DW_TAG_class_template: return "DW_TAG_class_template"; | |
549 | /* DWARF 2.1 values. */ | |
550 | case DW_TAG_dwarf_procedure: return "DW_TAG_dwarf_procedure"; | |
551 | case DW_TAG_restrict_type: return "DW_TAG_restrict_type"; | |
552 | case DW_TAG_interface_type: return "DW_TAG_interface_type"; | |
553 | case DW_TAG_namespace: return "DW_TAG_namespace"; | |
554 | case DW_TAG_imported_module: return "DW_TAG_imported_module"; | |
555 | case DW_TAG_unspecified_type: return "DW_TAG_unspecified_type"; | |
556 | case DW_TAG_partial_unit: return "DW_TAG_partial_unit"; | |
557 | case DW_TAG_imported_unit: return "DW_TAG_imported_unit"; | |
558 | /* UPC values. */ | |
559 | case DW_TAG_upc_shared_type: return "DW_TAG_upc_shared_type"; | |
560 | case DW_TAG_upc_strict_type: return "DW_TAG_upc_strict_type"; | |
561 | case DW_TAG_upc_relaxed_type: return "DW_TAG_upc_relaxed_type"; | |
562 | default: | |
563 | { | |
564 | static char buffer[100]; | |
565 | ||
566 | snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %lx"), tag); | |
567 | return buffer; | |
568 | } | |
569 | } | |
570 | } | |
571 | ||
572 | static char * | |
573 | get_FORM_name (unsigned long form) | |
574 | { | |
575 | switch (form) | |
576 | { | |
577 | case DW_FORM_addr: return "DW_FORM_addr"; | |
578 | case DW_FORM_block2: return "DW_FORM_block2"; | |
579 | case DW_FORM_block4: return "DW_FORM_block4"; | |
580 | case DW_FORM_data2: return "DW_FORM_data2"; | |
581 | case DW_FORM_data4: return "DW_FORM_data4"; | |
582 | case DW_FORM_data8: return "DW_FORM_data8"; | |
583 | case DW_FORM_string: return "DW_FORM_string"; | |
584 | case DW_FORM_block: return "DW_FORM_block"; | |
585 | case DW_FORM_block1: return "DW_FORM_block1"; | |
586 | case DW_FORM_data1: return "DW_FORM_data1"; | |
587 | case DW_FORM_flag: return "DW_FORM_flag"; | |
588 | case DW_FORM_sdata: return "DW_FORM_sdata"; | |
589 | case DW_FORM_strp: return "DW_FORM_strp"; | |
590 | case DW_FORM_udata: return "DW_FORM_udata"; | |
591 | case DW_FORM_ref_addr: return "DW_FORM_ref_addr"; | |
592 | case DW_FORM_ref1: return "DW_FORM_ref1"; | |
593 | case DW_FORM_ref2: return "DW_FORM_ref2"; | |
594 | case DW_FORM_ref4: return "DW_FORM_ref4"; | |
595 | case DW_FORM_ref8: return "DW_FORM_ref8"; | |
596 | case DW_FORM_ref_udata: return "DW_FORM_ref_udata"; | |
597 | case DW_FORM_indirect: return "DW_FORM_indirect"; | |
598 | default: | |
599 | { | |
600 | static char buffer[100]; | |
601 | ||
602 | snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form); | |
603 | return buffer; | |
604 | } | |
605 | } | |
606 | } | |
607 | ||
608 | static unsigned char * | |
609 | display_block (unsigned char *data, unsigned long length) | |
610 | { | |
611 | printf (_(" %lu byte block: "), length); | |
612 | ||
613 | while (length --) | |
614 | printf ("%lx ", (unsigned long) byte_get (data++, 1)); | |
615 | ||
616 | return data; | |
617 | } | |
618 | ||
619 | static int | |
620 | decode_location_expression (unsigned char * data, | |
621 | unsigned int pointer_size, | |
622 | unsigned long length, | |
623 | unsigned long cu_offset) | |
624 | { | |
625 | unsigned op; | |
626 | unsigned int bytes_read; | |
627 | unsigned long uvalue; | |
628 | unsigned char *end = data + length; | |
629 | int need_frame_base = 0; | |
630 | ||
631 | while (data < end) | |
632 | { | |
633 | op = *data++; | |
634 | ||
635 | switch (op) | |
636 | { | |
637 | case DW_OP_addr: | |
638 | printf ("DW_OP_addr: %lx", | |
639 | (unsigned long) byte_get (data, pointer_size)); | |
640 | data += pointer_size; | |
641 | break; | |
642 | case DW_OP_deref: | |
643 | printf ("DW_OP_deref"); | |
644 | break; | |
645 | case DW_OP_const1u: | |
646 | printf ("DW_OP_const1u: %lu", (unsigned long) byte_get (data++, 1)); | |
647 | break; | |
648 | case DW_OP_const1s: | |
649 | printf ("DW_OP_const1s: %ld", (long) byte_get_signed (data++, 1)); | |
650 | break; | |
651 | case DW_OP_const2u: | |
652 | printf ("DW_OP_const2u: %lu", (unsigned long) byte_get (data, 2)); | |
653 | data += 2; | |
654 | break; | |
655 | case DW_OP_const2s: | |
656 | printf ("DW_OP_const2s: %ld", (long) byte_get_signed (data, 2)); | |
657 | data += 2; | |
658 | break; | |
659 | case DW_OP_const4u: | |
660 | printf ("DW_OP_const4u: %lu", (unsigned long) byte_get (data, 4)); | |
661 | data += 4; | |
662 | break; | |
663 | case DW_OP_const4s: | |
664 | printf ("DW_OP_const4s: %ld", (long) byte_get_signed (data, 4)); | |
665 | data += 4; | |
666 | break; | |
667 | case DW_OP_const8u: | |
668 | printf ("DW_OP_const8u: %lu %lu", (unsigned long) byte_get (data, 4), | |
669 | (unsigned long) byte_get (data + 4, 4)); | |
670 | data += 8; | |
671 | break; | |
672 | case DW_OP_const8s: | |
673 | printf ("DW_OP_const8s: %ld %ld", (long) byte_get (data, 4), | |
674 | (long) byte_get (data + 4, 4)); | |
675 | data += 8; | |
676 | break; | |
677 | case DW_OP_constu: | |
678 | printf ("DW_OP_constu: %lu", read_leb128 (data, &bytes_read, 0)); | |
679 | data += bytes_read; | |
680 | break; | |
681 | case DW_OP_consts: | |
682 | printf ("DW_OP_consts: %ld", read_leb128 (data, &bytes_read, 1)); | |
683 | data += bytes_read; | |
684 | break; | |
685 | case DW_OP_dup: | |
686 | printf ("DW_OP_dup"); | |
687 | break; | |
688 | case DW_OP_drop: | |
689 | printf ("DW_OP_drop"); | |
690 | break; | |
691 | case DW_OP_over: | |
692 | printf ("DW_OP_over"); | |
693 | break; | |
694 | case DW_OP_pick: | |
695 | printf ("DW_OP_pick: %ld", (unsigned long) byte_get (data++, 1)); | |
696 | break; | |
697 | case DW_OP_swap: | |
698 | printf ("DW_OP_swap"); | |
699 | break; | |
700 | case DW_OP_rot: | |
701 | printf ("DW_OP_rot"); | |
702 | break; | |
703 | case DW_OP_xderef: | |
704 | printf ("DW_OP_xderef"); | |
705 | break; | |
706 | case DW_OP_abs: | |
707 | printf ("DW_OP_abs"); | |
708 | break; | |
709 | case DW_OP_and: | |
710 | printf ("DW_OP_and"); | |
711 | break; | |
712 | case DW_OP_div: | |
713 | printf ("DW_OP_div"); | |
714 | break; | |
715 | case DW_OP_minus: | |
716 | printf ("DW_OP_minus"); | |
717 | break; | |
718 | case DW_OP_mod: | |
719 | printf ("DW_OP_mod"); | |
720 | break; | |
721 | case DW_OP_mul: | |
722 | printf ("DW_OP_mul"); | |
723 | break; | |
724 | case DW_OP_neg: | |
725 | printf ("DW_OP_neg"); | |
726 | break; | |
727 | case DW_OP_not: | |
728 | printf ("DW_OP_not"); | |
729 | break; | |
730 | case DW_OP_or: | |
731 | printf ("DW_OP_or"); | |
732 | break; | |
733 | case DW_OP_plus: | |
734 | printf ("DW_OP_plus"); | |
735 | break; | |
736 | case DW_OP_plus_uconst: | |
737 | printf ("DW_OP_plus_uconst: %lu", | |
738 | read_leb128 (data, &bytes_read, 0)); | |
739 | data += bytes_read; | |
740 | break; | |
741 | case DW_OP_shl: | |
742 | printf ("DW_OP_shl"); | |
743 | break; | |
744 | case DW_OP_shr: | |
745 | printf ("DW_OP_shr"); | |
746 | break; | |
747 | case DW_OP_shra: | |
748 | printf ("DW_OP_shra"); | |
749 | break; | |
750 | case DW_OP_xor: | |
751 | printf ("DW_OP_xor"); | |
752 | break; | |
753 | case DW_OP_bra: | |
754 | printf ("DW_OP_bra: %ld", (long) byte_get_signed (data, 2)); | |
755 | data += 2; | |
756 | break; | |
757 | case DW_OP_eq: | |
758 | printf ("DW_OP_eq"); | |
759 | break; | |
760 | case DW_OP_ge: | |
761 | printf ("DW_OP_ge"); | |
762 | break; | |
763 | case DW_OP_gt: | |
764 | printf ("DW_OP_gt"); | |
765 | break; | |
766 | case DW_OP_le: | |
767 | printf ("DW_OP_le"); | |
768 | break; | |
769 | case DW_OP_lt: | |
770 | printf ("DW_OP_lt"); | |
771 | break; | |
772 | case DW_OP_ne: | |
773 | printf ("DW_OP_ne"); | |
774 | break; | |
775 | case DW_OP_skip: | |
776 | printf ("DW_OP_skip: %ld", (long) byte_get_signed (data, 2)); | |
777 | data += 2; | |
778 | break; | |
779 | ||
780 | case DW_OP_lit0: | |
781 | case DW_OP_lit1: | |
782 | case DW_OP_lit2: | |
783 | case DW_OP_lit3: | |
784 | case DW_OP_lit4: | |
785 | case DW_OP_lit5: | |
786 | case DW_OP_lit6: | |
787 | case DW_OP_lit7: | |
788 | case DW_OP_lit8: | |
789 | case DW_OP_lit9: | |
790 | case DW_OP_lit10: | |
791 | case DW_OP_lit11: | |
792 | case DW_OP_lit12: | |
793 | case DW_OP_lit13: | |
794 | case DW_OP_lit14: | |
795 | case DW_OP_lit15: | |
796 | case DW_OP_lit16: | |
797 | case DW_OP_lit17: | |
798 | case DW_OP_lit18: | |
799 | case DW_OP_lit19: | |
800 | case DW_OP_lit20: | |
801 | case DW_OP_lit21: | |
802 | case DW_OP_lit22: | |
803 | case DW_OP_lit23: | |
804 | case DW_OP_lit24: | |
805 | case DW_OP_lit25: | |
806 | case DW_OP_lit26: | |
807 | case DW_OP_lit27: | |
808 | case DW_OP_lit28: | |
809 | case DW_OP_lit29: | |
810 | case DW_OP_lit30: | |
811 | case DW_OP_lit31: | |
812 | printf ("DW_OP_lit%d", op - DW_OP_lit0); | |
813 | break; | |
814 | ||
815 | case DW_OP_reg0: | |
816 | case DW_OP_reg1: | |
817 | case DW_OP_reg2: | |
818 | case DW_OP_reg3: | |
819 | case DW_OP_reg4: | |
820 | case DW_OP_reg5: | |
821 | case DW_OP_reg6: | |
822 | case DW_OP_reg7: | |
823 | case DW_OP_reg8: | |
824 | case DW_OP_reg9: | |
825 | case DW_OP_reg10: | |
826 | case DW_OP_reg11: | |
827 | case DW_OP_reg12: | |
828 | case DW_OP_reg13: | |
829 | case DW_OP_reg14: | |
830 | case DW_OP_reg15: | |
831 | case DW_OP_reg16: | |
832 | case DW_OP_reg17: | |
833 | case DW_OP_reg18: | |
834 | case DW_OP_reg19: | |
835 | case DW_OP_reg20: | |
836 | case DW_OP_reg21: | |
837 | case DW_OP_reg22: | |
838 | case DW_OP_reg23: | |
839 | case DW_OP_reg24: | |
840 | case DW_OP_reg25: | |
841 | case DW_OP_reg26: | |
842 | case DW_OP_reg27: | |
843 | case DW_OP_reg28: | |
844 | case DW_OP_reg29: | |
845 | case DW_OP_reg30: | |
846 | case DW_OP_reg31: | |
847 | printf ("DW_OP_reg%d", op - DW_OP_reg0); | |
848 | break; | |
849 | ||
850 | case DW_OP_breg0: | |
851 | case DW_OP_breg1: | |
852 | case DW_OP_breg2: | |
853 | case DW_OP_breg3: | |
854 | case DW_OP_breg4: | |
855 | case DW_OP_breg5: | |
856 | case DW_OP_breg6: | |
857 | case DW_OP_breg7: | |
858 | case DW_OP_breg8: | |
859 | case DW_OP_breg9: | |
860 | case DW_OP_breg10: | |
861 | case DW_OP_breg11: | |
862 | case DW_OP_breg12: | |
863 | case DW_OP_breg13: | |
864 | case DW_OP_breg14: | |
865 | case DW_OP_breg15: | |
866 | case DW_OP_breg16: | |
867 | case DW_OP_breg17: | |
868 | case DW_OP_breg18: | |
869 | case DW_OP_breg19: | |
870 | case DW_OP_breg20: | |
871 | case DW_OP_breg21: | |
872 | case DW_OP_breg22: | |
873 | case DW_OP_breg23: | |
874 | case DW_OP_breg24: | |
875 | case DW_OP_breg25: | |
876 | case DW_OP_breg26: | |
877 | case DW_OP_breg27: | |
878 | case DW_OP_breg28: | |
879 | case DW_OP_breg29: | |
880 | case DW_OP_breg30: | |
881 | case DW_OP_breg31: | |
882 | printf ("DW_OP_breg%d: %ld", op - DW_OP_breg0, | |
883 | read_leb128 (data, &bytes_read, 1)); | |
884 | data += bytes_read; | |
885 | break; | |
886 | ||
887 | case DW_OP_regx: | |
888 | printf ("DW_OP_regx: %lu", read_leb128 (data, &bytes_read, 0)); | |
889 | data += bytes_read; | |
890 | break; | |
891 | case DW_OP_fbreg: | |
892 | need_frame_base = 1; | |
893 | printf ("DW_OP_fbreg: %ld", read_leb128 (data, &bytes_read, 1)); | |
894 | data += bytes_read; | |
895 | break; | |
896 | case DW_OP_bregx: | |
897 | uvalue = read_leb128 (data, &bytes_read, 0); | |
898 | data += bytes_read; | |
899 | printf ("DW_OP_bregx: %lu %ld", uvalue, | |
900 | read_leb128 (data, &bytes_read, 1)); | |
901 | data += bytes_read; | |
902 | break; | |
903 | case DW_OP_piece: | |
904 | printf ("DW_OP_piece: %lu", read_leb128 (data, &bytes_read, 0)); | |
905 | data += bytes_read; | |
906 | break; | |
907 | case DW_OP_deref_size: | |
908 | printf ("DW_OP_deref_size: %ld", (long) byte_get (data++, 1)); | |
909 | break; | |
910 | case DW_OP_xderef_size: | |
911 | printf ("DW_OP_xderef_size: %ld", (long) byte_get (data++, 1)); | |
912 | break; | |
913 | case DW_OP_nop: | |
914 | printf ("DW_OP_nop"); | |
915 | break; | |
916 | ||
917 | /* DWARF 3 extensions. */ | |
918 | case DW_OP_push_object_address: | |
919 | printf ("DW_OP_push_object_address"); | |
920 | break; | |
921 | case DW_OP_call2: | |
922 | /* XXX: Strictly speaking for 64-bit DWARF3 files | |
923 | this ought to be an 8-byte wide computation. */ | |
924 | printf ("DW_OP_call2: <%lx>", (long) byte_get (data, 2) + cu_offset); | |
925 | data += 2; | |
926 | break; | |
927 | case DW_OP_call4: | |
928 | /* XXX: Strictly speaking for 64-bit DWARF3 files | |
929 | this ought to be an 8-byte wide computation. */ | |
930 | printf ("DW_OP_call4: <%lx>", (long) byte_get (data, 4) + cu_offset); | |
931 | data += 4; | |
932 | break; | |
933 | case DW_OP_call_ref: | |
e2a0d921 NC |
934 | /* XXX: Strictly speaking for 64-bit DWARF3 files |
935 | this ought to be an 8-byte wide computation. */ | |
936 | printf ("DW_OP_call_ref: <%lx>", (long) byte_get (data, 4) + cu_offset); | |
937 | data += 4; | |
19e6b90e | 938 | break; |
a87b0a59 NS |
939 | case DW_OP_form_tls_address: |
940 | printf ("DW_OP_form_tls_address"); | |
941 | break; | |
e2a0d921 NC |
942 | case DW_OP_call_frame_cfa: |
943 | printf ("DW_OP_call_frame_cfa"); | |
944 | break; | |
945 | case DW_OP_bit_piece: | |
946 | printf ("DW_OP_bit_piece: "); | |
947 | printf ("size: %lu ", read_leb128 (data, &bytes_read, 0)); | |
948 | data += bytes_read; | |
949 | printf ("offset: %lu ", read_leb128 (data, &bytes_read, 0)); | |
950 | data += bytes_read; | |
951 | break; | |
19e6b90e L |
952 | |
953 | /* GNU extensions. */ | |
954 | case DW_OP_GNU_push_tls_address: | |
e2a0d921 NC |
955 | printf ("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown"); |
956 | break; | |
957 | case DW_OP_GNU_uninit: | |
958 | printf ("DW_OP_GNU_uninit"); | |
959 | /* FIXME: Is there data associated with this OP ? */ | |
960 | break; | |
961 | ||
962 | /* HP extensions. */ | |
963 | case DW_OP_HP_is_value: | |
964 | printf ("DW_OP_HP_is_value"); | |
965 | /* FIXME: Is there data associated with this OP ? */ | |
966 | break; | |
967 | case DW_OP_HP_fltconst4: | |
968 | printf ("DW_OP_HP_fltconst4"); | |
969 | /* FIXME: Is there data associated with this OP ? */ | |
970 | break; | |
971 | case DW_OP_HP_fltconst8: | |
972 | printf ("DW_OP_HP_fltconst8"); | |
973 | /* FIXME: Is there data associated with this OP ? */ | |
974 | break; | |
975 | case DW_OP_HP_mod_range: | |
976 | printf ("DW_OP_HP_mod_range"); | |
977 | /* FIXME: Is there data associated with this OP ? */ | |
978 | break; | |
979 | case DW_OP_HP_unmod_range: | |
980 | printf ("DW_OP_HP_unmod_range"); | |
981 | /* FIXME: Is there data associated with this OP ? */ | |
982 | break; | |
983 | case DW_OP_HP_tls: | |
984 | printf ("DW_OP_HP_tls"); | |
985 | /* FIXME: Is there data associated with this OP ? */ | |
19e6b90e L |
986 | break; |
987 | ||
988 | default: | |
989 | if (op >= DW_OP_lo_user | |
990 | && op <= DW_OP_hi_user) | |
991 | printf (_("(User defined location op)")); | |
992 | else | |
993 | printf (_("(Unknown location op)")); | |
994 | /* No way to tell where the next op is, so just bail. */ | |
995 | return need_frame_base; | |
996 | } | |
997 | ||
998 | /* Separate the ops. */ | |
999 | if (data < end) | |
1000 | printf ("; "); | |
1001 | } | |
1002 | ||
1003 | return need_frame_base; | |
1004 | } | |
1005 | ||
1006 | static unsigned char * | |
ec4d4525 NC |
1007 | read_and_display_attr_value (unsigned long attribute, |
1008 | unsigned long form, | |
1009 | unsigned char * data, | |
1010 | unsigned long cu_offset, | |
1011 | unsigned long pointer_size, | |
1012 | unsigned long offset_size, | |
1013 | int dwarf_version, | |
1014 | debug_info * debug_info_p, | |
1015 | int do_loc, | |
1016 | unsigned char * section_start) | |
19e6b90e L |
1017 | { |
1018 | unsigned long uvalue = 0; | |
1019 | unsigned char *block_start = NULL; | |
1020 | unsigned int bytes_read; | |
1021 | ||
1022 | switch (form) | |
1023 | { | |
1024 | default: | |
1025 | break; | |
1026 | ||
1027 | case DW_FORM_ref_addr: | |
1028 | if (dwarf_version == 2) | |
1029 | { | |
1030 | uvalue = byte_get (data, pointer_size); | |
1031 | data += pointer_size; | |
1032 | } | |
1033 | else if (dwarf_version == 3) | |
1034 | { | |
1035 | uvalue = byte_get (data, offset_size); | |
1036 | data += offset_size; | |
1037 | } | |
1038 | else | |
1039 | { | |
1040 | error (_("Internal error: DWARF version is not 2 or 3.\n")); | |
1041 | } | |
1042 | break; | |
1043 | ||
1044 | case DW_FORM_addr: | |
1045 | uvalue = byte_get (data, pointer_size); | |
1046 | data += pointer_size; | |
1047 | break; | |
1048 | ||
1049 | case DW_FORM_strp: | |
1050 | uvalue = byte_get (data, offset_size); | |
1051 | data += offset_size; | |
1052 | break; | |
1053 | ||
1054 | case DW_FORM_ref1: | |
1055 | case DW_FORM_flag: | |
1056 | case DW_FORM_data1: | |
1057 | uvalue = byte_get (data++, 1); | |
1058 | break; | |
1059 | ||
1060 | case DW_FORM_ref2: | |
1061 | case DW_FORM_data2: | |
1062 | uvalue = byte_get (data, 2); | |
1063 | data += 2; | |
1064 | break; | |
1065 | ||
1066 | case DW_FORM_ref4: | |
1067 | case DW_FORM_data4: | |
1068 | uvalue = byte_get (data, 4); | |
1069 | data += 4; | |
1070 | break; | |
1071 | ||
1072 | case DW_FORM_sdata: | |
1073 | uvalue = read_leb128 (data, & bytes_read, 1); | |
1074 | data += bytes_read; | |
1075 | break; | |
1076 | ||
1077 | case DW_FORM_ref_udata: | |
1078 | case DW_FORM_udata: | |
1079 | uvalue = read_leb128 (data, & bytes_read, 0); | |
1080 | data += bytes_read; | |
1081 | break; | |
1082 | ||
1083 | case DW_FORM_indirect: | |
1084 | form = read_leb128 (data, & bytes_read, 0); | |
1085 | data += bytes_read; | |
1086 | if (!do_loc) | |
1087 | printf (" %s", get_FORM_name (form)); | |
1088 | return read_and_display_attr_value (attribute, form, data, | |
1089 | cu_offset, pointer_size, | |
1090 | offset_size, dwarf_version, | |
ec4d4525 NC |
1091 | debug_info_p, do_loc, |
1092 | section_start); | |
19e6b90e L |
1093 | } |
1094 | ||
1095 | switch (form) | |
1096 | { | |
1097 | case DW_FORM_ref_addr: | |
1098 | if (!do_loc) | |
ec4d4525 | 1099 | printf (" <0x%lx>", uvalue); |
19e6b90e L |
1100 | break; |
1101 | ||
1102 | case DW_FORM_ref1: | |
1103 | case DW_FORM_ref2: | |
1104 | case DW_FORM_ref4: | |
1105 | case DW_FORM_ref_udata: | |
1106 | if (!do_loc) | |
ec4d4525 | 1107 | printf (" <0x%lx>", uvalue + cu_offset); |
19e6b90e L |
1108 | break; |
1109 | ||
1110 | case DW_FORM_data4: | |
1111 | case DW_FORM_addr: | |
1112 | if (!do_loc) | |
ec4d4525 | 1113 | printf (" 0x%lx", uvalue); |
19e6b90e L |
1114 | break; |
1115 | ||
1116 | case DW_FORM_flag: | |
1117 | case DW_FORM_data1: | |
1118 | case DW_FORM_data2: | |
1119 | case DW_FORM_sdata: | |
1120 | case DW_FORM_udata: | |
1121 | if (!do_loc) | |
1122 | printf (" %ld", uvalue); | |
1123 | break; | |
1124 | ||
1125 | case DW_FORM_ref8: | |
1126 | case DW_FORM_data8: | |
1127 | if (!do_loc) | |
1128 | { | |
1129 | uvalue = byte_get (data, 4); | |
ec4d4525 NC |
1130 | printf (" 0x%lx", uvalue); |
1131 | printf (" 0x%lx", (unsigned long) byte_get (data + 4, 4)); | |
19e6b90e L |
1132 | } |
1133 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
1134 | && num_debug_info_entries == 0) | |
1135 | { | |
1136 | if (sizeof (uvalue) == 8) | |
1137 | uvalue = byte_get (data, 8); | |
1138 | else | |
1139 | error (_("DW_FORM_data8 is unsupported when sizeof (unsigned long) != 8\n")); | |
1140 | } | |
1141 | data += 8; | |
1142 | break; | |
1143 | ||
1144 | case DW_FORM_string: | |
1145 | if (!do_loc) | |
1146 | printf (" %s", data); | |
1147 | data += strlen ((char *) data) + 1; | |
1148 | break; | |
1149 | ||
1150 | case DW_FORM_block: | |
1151 | uvalue = read_leb128 (data, & bytes_read, 0); | |
1152 | block_start = data + bytes_read; | |
1153 | if (do_loc) | |
1154 | data = block_start + uvalue; | |
1155 | else | |
1156 | data = display_block (block_start, uvalue); | |
1157 | break; | |
1158 | ||
1159 | case DW_FORM_block1: | |
1160 | uvalue = byte_get (data, 1); | |
1161 | block_start = data + 1; | |
1162 | if (do_loc) | |
1163 | data = block_start + uvalue; | |
1164 | else | |
1165 | data = display_block (block_start, uvalue); | |
1166 | break; | |
1167 | ||
1168 | case DW_FORM_block2: | |
1169 | uvalue = byte_get (data, 2); | |
1170 | block_start = data + 2; | |
1171 | if (do_loc) | |
1172 | data = block_start + uvalue; | |
1173 | else | |
1174 | data = display_block (block_start, uvalue); | |
1175 | break; | |
1176 | ||
1177 | case DW_FORM_block4: | |
1178 | uvalue = byte_get (data, 4); | |
1179 | block_start = data + 4; | |
1180 | if (do_loc) | |
1181 | data = block_start + uvalue; | |
1182 | else | |
1183 | data = display_block (block_start, uvalue); | |
1184 | break; | |
1185 | ||
1186 | case DW_FORM_strp: | |
1187 | if (!do_loc) | |
1188 | printf (_(" (indirect string, offset: 0x%lx): %s"), | |
1189 | uvalue, fetch_indirect_string (uvalue)); | |
1190 | break; | |
1191 | ||
1192 | case DW_FORM_indirect: | |
1193 | /* Handled above. */ | |
1194 | break; | |
1195 | ||
1196 | default: | |
1197 | warn (_("Unrecognized form: %lu\n"), form); | |
1198 | break; | |
1199 | } | |
1200 | ||
19e6b90e L |
1201 | if ((do_loc || do_debug_loc || do_debug_ranges) |
1202 | && num_debug_info_entries == 0) | |
1203 | { | |
1204 | switch (attribute) | |
1205 | { | |
1206 | case DW_AT_frame_base: | |
1207 | have_frame_base = 1; | |
1208 | case DW_AT_location: | |
e2a0d921 NC |
1209 | case DW_AT_string_length: |
1210 | case DW_AT_return_addr: | |
19e6b90e L |
1211 | case DW_AT_data_member_location: |
1212 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
1213 | case DW_AT_segment: |
1214 | case DW_AT_static_link: | |
1215 | case DW_AT_use_location: | |
1216 | if (form == DW_FORM_data4 || form == DW_FORM_data8) | |
19e6b90e L |
1217 | { |
1218 | /* Process location list. */ | |
1219 | unsigned int max = debug_info_p->max_loc_offsets; | |
1220 | unsigned int num = debug_info_p->num_loc_offsets; | |
1221 | ||
1222 | if (max == 0 || num >= max) | |
1223 | { | |
1224 | max += 1024; | |
1225 | debug_info_p->loc_offsets | |
1226 | = xcrealloc (debug_info_p->loc_offsets, | |
1227 | max, sizeof (*debug_info_p->loc_offsets)); | |
1228 | debug_info_p->have_frame_base | |
1229 | = xcrealloc (debug_info_p->have_frame_base, | |
1230 | max, sizeof (*debug_info_p->have_frame_base)); | |
1231 | debug_info_p->max_loc_offsets = max; | |
1232 | } | |
1233 | debug_info_p->loc_offsets [num] = uvalue; | |
1234 | debug_info_p->have_frame_base [num] = have_frame_base; | |
1235 | debug_info_p->num_loc_offsets++; | |
1236 | } | |
1237 | break; | |
e2a0d921 | 1238 | |
19e6b90e L |
1239 | case DW_AT_low_pc: |
1240 | if (need_base_address) | |
1241 | debug_info_p->base_address = uvalue; | |
1242 | break; | |
1243 | ||
1244 | case DW_AT_ranges: | |
1245 | if (form == DW_FORM_data4 || form == DW_FORM_data8) | |
1246 | { | |
1247 | /* Process range list. */ | |
1248 | unsigned int max = debug_info_p->max_range_lists; | |
1249 | unsigned int num = debug_info_p->num_range_lists; | |
1250 | ||
1251 | if (max == 0 || num >= max) | |
1252 | { | |
1253 | max += 1024; | |
1254 | debug_info_p->range_lists | |
1255 | = xcrealloc (debug_info_p->range_lists, | |
1256 | max, sizeof (*debug_info_p->range_lists)); | |
1257 | debug_info_p->max_range_lists = max; | |
1258 | } | |
1259 | debug_info_p->range_lists [num] = uvalue; | |
1260 | debug_info_p->num_range_lists++; | |
1261 | } | |
1262 | break; | |
1263 | ||
1264 | default: | |
1265 | break; | |
1266 | } | |
1267 | } | |
1268 | ||
1269 | if (do_loc) | |
1270 | return data; | |
1271 | ||
ec4d4525 | 1272 | /* For some attributes we can display further information. */ |
19e6b90e L |
1273 | printf ("\t"); |
1274 | ||
1275 | switch (attribute) | |
1276 | { | |
1277 | case DW_AT_inline: | |
1278 | switch (uvalue) | |
1279 | { | |
1280 | case DW_INL_not_inlined: | |
1281 | printf (_("(not inlined)")); | |
1282 | break; | |
1283 | case DW_INL_inlined: | |
1284 | printf (_("(inlined)")); | |
1285 | break; | |
1286 | case DW_INL_declared_not_inlined: | |
1287 | printf (_("(declared as inline but ignored)")); | |
1288 | break; | |
1289 | case DW_INL_declared_inlined: | |
1290 | printf (_("(declared as inline and inlined)")); | |
1291 | break; | |
1292 | default: | |
1293 | printf (_(" (Unknown inline attribute value: %lx)"), uvalue); | |
1294 | break; | |
1295 | } | |
1296 | break; | |
1297 | ||
1298 | case DW_AT_language: | |
1299 | switch (uvalue) | |
1300 | { | |
4b78141a | 1301 | /* Ordered by the numeric value of these constants. */ |
19e6b90e | 1302 | case DW_LANG_C89: printf ("(ANSI C)"); break; |
4b78141a NC |
1303 | case DW_LANG_C: printf ("(non-ANSI C)"); break; |
1304 | case DW_LANG_Ada83: printf ("(Ada)"); break; | |
19e6b90e | 1305 | case DW_LANG_C_plus_plus: printf ("(C++)"); break; |
4b78141a NC |
1306 | case DW_LANG_Cobol74: printf ("(Cobol 74)"); break; |
1307 | case DW_LANG_Cobol85: printf ("(Cobol 85)"); break; | |
19e6b90e L |
1308 | case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break; |
1309 | case DW_LANG_Fortran90: printf ("(Fortran 90)"); break; | |
19e6b90e | 1310 | case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break; |
4b78141a | 1311 | case DW_LANG_Modula2: printf ("(Modula 2)"); break; |
19e6b90e | 1312 | /* DWARF 2.1 values. */ |
4b78141a | 1313 | case DW_LANG_Java: printf ("(Java)"); break; |
19e6b90e L |
1314 | case DW_LANG_C99: printf ("(ANSI C99)"); break; |
1315 | case DW_LANG_Ada95: printf ("(ADA 95)"); break; | |
1316 | case DW_LANG_Fortran95: printf ("(Fortran 95)"); break; | |
4b78141a NC |
1317 | /* DWARF 3 values. */ |
1318 | case DW_LANG_PLI: printf ("(PLI)"); break; | |
1319 | case DW_LANG_ObjC: printf ("(Objective C)"); break; | |
1320 | case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break; | |
1321 | case DW_LANG_UPC: printf ("(Unified Parallel C)"); break; | |
1322 | case DW_LANG_D: printf ("(D)"); break; | |
19e6b90e L |
1323 | /* MIPS extension. */ |
1324 | case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break; | |
1325 | /* UPC extension. */ | |
1326 | case DW_LANG_Upc: printf ("(Unified Parallel C)"); break; | |
1327 | default: | |
4b78141a NC |
1328 | if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user) |
1329 | printf ("(implementation defined: %lx)", uvalue); | |
1330 | else | |
1331 | printf ("(Unknown: %lx)", uvalue); | |
19e6b90e L |
1332 | break; |
1333 | } | |
1334 | break; | |
1335 | ||
1336 | case DW_AT_encoding: | |
1337 | switch (uvalue) | |
1338 | { | |
1339 | case DW_ATE_void: printf ("(void)"); break; | |
1340 | case DW_ATE_address: printf ("(machine address)"); break; | |
1341 | case DW_ATE_boolean: printf ("(boolean)"); break; | |
1342 | case DW_ATE_complex_float: printf ("(complex float)"); break; | |
1343 | case DW_ATE_float: printf ("(float)"); break; | |
1344 | case DW_ATE_signed: printf ("(signed)"); break; | |
1345 | case DW_ATE_signed_char: printf ("(signed char)"); break; | |
1346 | case DW_ATE_unsigned: printf ("(unsigned)"); break; | |
1347 | case DW_ATE_unsigned_char: printf ("(unsigned char)"); break; | |
e2a0d921 | 1348 | /* DWARF 2.1 values: */ |
19e6b90e L |
1349 | case DW_ATE_imaginary_float: printf ("(imaginary float)"); break; |
1350 | case DW_ATE_decimal_float: printf ("(decimal float)"); break; | |
e2a0d921 NC |
1351 | /* DWARF 3 values: */ |
1352 | case DW_ATE_packed_decimal: printf ("(packed_decimal)"); break; | |
1353 | case DW_ATE_numeric_string: printf ("(numeric_string)"); break; | |
1354 | case DW_ATE_edited: printf ("(edited)"); break; | |
1355 | case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break; | |
1356 | case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break; | |
1357 | /* HP extensions: */ | |
1358 | case DW_ATE_HP_float80: printf ("(HP_float80)"); break; | |
1359 | case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break; | |
1360 | case DW_ATE_HP_float128: printf ("(HP_float128)"); break; | |
1361 | case DW_ATE_HP_complex_float128:printf ("(HP_complex_float128)"); break; | |
1362 | case DW_ATE_HP_floathpintel: printf ("(HP_floathpintel)"); break; | |
1363 | case DW_ATE_HP_imaginary_float80: printf ("(HP_imaginary_float80)"); break; | |
1364 | case DW_ATE_HP_imaginary_float128: printf ("(HP_imaginary_float128)"); break; | |
1365 | ||
19e6b90e L |
1366 | default: |
1367 | if (uvalue >= DW_ATE_lo_user | |
1368 | && uvalue <= DW_ATE_hi_user) | |
1369 | printf ("(user defined type)"); | |
1370 | else | |
1371 | printf ("(unknown type)"); | |
1372 | break; | |
1373 | } | |
1374 | break; | |
1375 | ||
1376 | case DW_AT_accessibility: | |
1377 | switch (uvalue) | |
1378 | { | |
1379 | case DW_ACCESS_public: printf ("(public)"); break; | |
1380 | case DW_ACCESS_protected: printf ("(protected)"); break; | |
1381 | case DW_ACCESS_private: printf ("(private)"); break; | |
1382 | default: | |
1383 | printf ("(unknown accessibility)"); | |
1384 | break; | |
1385 | } | |
1386 | break; | |
1387 | ||
1388 | case DW_AT_visibility: | |
1389 | switch (uvalue) | |
1390 | { | |
1391 | case DW_VIS_local: printf ("(local)"); break; | |
1392 | case DW_VIS_exported: printf ("(exported)"); break; | |
1393 | case DW_VIS_qualified: printf ("(qualified)"); break; | |
1394 | default: printf ("(unknown visibility)"); break; | |
1395 | } | |
1396 | break; | |
1397 | ||
1398 | case DW_AT_virtuality: | |
1399 | switch (uvalue) | |
1400 | { | |
1401 | case DW_VIRTUALITY_none: printf ("(none)"); break; | |
1402 | case DW_VIRTUALITY_virtual: printf ("(virtual)"); break; | |
1403 | case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break; | |
1404 | default: printf ("(unknown virtuality)"); break; | |
1405 | } | |
1406 | break; | |
1407 | ||
1408 | case DW_AT_identifier_case: | |
1409 | switch (uvalue) | |
1410 | { | |
1411 | case DW_ID_case_sensitive: printf ("(case_sensitive)"); break; | |
1412 | case DW_ID_up_case: printf ("(up_case)"); break; | |
1413 | case DW_ID_down_case: printf ("(down_case)"); break; | |
1414 | case DW_ID_case_insensitive: printf ("(case_insensitive)"); break; | |
1415 | default: printf ("(unknown case)"); break; | |
1416 | } | |
1417 | break; | |
1418 | ||
1419 | case DW_AT_calling_convention: | |
1420 | switch (uvalue) | |
1421 | { | |
1422 | case DW_CC_normal: printf ("(normal)"); break; | |
1423 | case DW_CC_program: printf ("(program)"); break; | |
1424 | case DW_CC_nocall: printf ("(nocall)"); break; | |
1425 | default: | |
1426 | if (uvalue >= DW_CC_lo_user | |
1427 | && uvalue <= DW_CC_hi_user) | |
1428 | printf ("(user defined)"); | |
1429 | else | |
1430 | printf ("(unknown convention)"); | |
1431 | } | |
1432 | break; | |
1433 | ||
1434 | case DW_AT_ordering: | |
1435 | switch (uvalue) | |
1436 | { | |
1437 | case -1: printf ("(undefined)"); break; | |
1438 | case 0: printf ("(row major)"); break; | |
1439 | case 1: printf ("(column major)"); break; | |
1440 | } | |
1441 | break; | |
1442 | ||
1443 | case DW_AT_frame_base: | |
1444 | have_frame_base = 1; | |
1445 | case DW_AT_location: | |
e2a0d921 NC |
1446 | case DW_AT_string_length: |
1447 | case DW_AT_return_addr: | |
19e6b90e L |
1448 | case DW_AT_data_member_location: |
1449 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
1450 | case DW_AT_segment: |
1451 | case DW_AT_static_link: | |
1452 | case DW_AT_use_location: | |
1453 | if (form == DW_FORM_data4 || form == DW_FORM_data8) | |
1454 | printf (_("(location list)")); | |
1455 | /* Fall through. */ | |
19e6b90e L |
1456 | case DW_AT_allocated: |
1457 | case DW_AT_associated: | |
1458 | case DW_AT_data_location: | |
1459 | case DW_AT_stride: | |
1460 | case DW_AT_upper_bound: | |
e2a0d921 | 1461 | case DW_AT_lower_bound: |
19e6b90e L |
1462 | if (block_start) |
1463 | { | |
1464 | int need_frame_base; | |
1465 | ||
1466 | printf ("("); | |
1467 | need_frame_base = decode_location_expression (block_start, | |
1468 | pointer_size, | |
1469 | uvalue, | |
1470 | cu_offset); | |
1471 | printf (")"); | |
1472 | if (need_frame_base && !have_frame_base) | |
1473 | printf (_(" [without DW_AT_frame_base]")); | |
1474 | } | |
19e6b90e L |
1475 | break; |
1476 | ||
ec4d4525 NC |
1477 | case DW_AT_import: |
1478 | { | |
1479 | unsigned long abbrev_number; | |
1480 | abbrev_entry * entry; | |
1481 | ||
1482 | if (form == DW_FORM_ref1 | |
1483 | || form == DW_FORM_ref2 | |
1484 | || form == DW_FORM_ref4) | |
1485 | uvalue += cu_offset; | |
1486 | ||
1487 | abbrev_number = read_leb128 (section_start + uvalue, NULL, 0); | |
1488 | ||
1489 | printf ("[Abbrev Number: %ld", abbrev_number); | |
1490 | for (entry = first_abbrev; entry != NULL; entry = entry->next) | |
1491 | if (entry->entry == abbrev_number) | |
1492 | break; | |
1493 | if (entry != NULL) | |
1494 | printf (" (%s)", get_TAG_name (entry->tag)); | |
1495 | printf ("]"); | |
1496 | } | |
1497 | break; | |
1498 | ||
19e6b90e L |
1499 | default: |
1500 | break; | |
1501 | } | |
1502 | ||
1503 | return data; | |
1504 | } | |
1505 | ||
1506 | static char * | |
1507 | get_AT_name (unsigned long attribute) | |
1508 | { | |
1509 | switch (attribute) | |
1510 | { | |
1511 | case DW_AT_sibling: return "DW_AT_sibling"; | |
1512 | case DW_AT_location: return "DW_AT_location"; | |
1513 | case DW_AT_name: return "DW_AT_name"; | |
1514 | case DW_AT_ordering: return "DW_AT_ordering"; | |
1515 | case DW_AT_subscr_data: return "DW_AT_subscr_data"; | |
1516 | case DW_AT_byte_size: return "DW_AT_byte_size"; | |
1517 | case DW_AT_bit_offset: return "DW_AT_bit_offset"; | |
1518 | case DW_AT_bit_size: return "DW_AT_bit_size"; | |
1519 | case DW_AT_element_list: return "DW_AT_element_list"; | |
1520 | case DW_AT_stmt_list: return "DW_AT_stmt_list"; | |
1521 | case DW_AT_low_pc: return "DW_AT_low_pc"; | |
1522 | case DW_AT_high_pc: return "DW_AT_high_pc"; | |
1523 | case DW_AT_language: return "DW_AT_language"; | |
1524 | case DW_AT_member: return "DW_AT_member"; | |
1525 | case DW_AT_discr: return "DW_AT_discr"; | |
1526 | case DW_AT_discr_value: return "DW_AT_discr_value"; | |
1527 | case DW_AT_visibility: return "DW_AT_visibility"; | |
1528 | case DW_AT_import: return "DW_AT_import"; | |
1529 | case DW_AT_string_length: return "DW_AT_string_length"; | |
1530 | case DW_AT_common_reference: return "DW_AT_common_reference"; | |
1531 | case DW_AT_comp_dir: return "DW_AT_comp_dir"; | |
1532 | case DW_AT_const_value: return "DW_AT_const_value"; | |
1533 | case DW_AT_containing_type: return "DW_AT_containing_type"; | |
1534 | case DW_AT_default_value: return "DW_AT_default_value"; | |
1535 | case DW_AT_inline: return "DW_AT_inline"; | |
1536 | case DW_AT_is_optional: return "DW_AT_is_optional"; | |
1537 | case DW_AT_lower_bound: return "DW_AT_lower_bound"; | |
1538 | case DW_AT_producer: return "DW_AT_producer"; | |
1539 | case DW_AT_prototyped: return "DW_AT_prototyped"; | |
1540 | case DW_AT_return_addr: return "DW_AT_return_addr"; | |
1541 | case DW_AT_start_scope: return "DW_AT_start_scope"; | |
1542 | case DW_AT_stride_size: return "DW_AT_stride_size"; | |
1543 | case DW_AT_upper_bound: return "DW_AT_upper_bound"; | |
1544 | case DW_AT_abstract_origin: return "DW_AT_abstract_origin"; | |
1545 | case DW_AT_accessibility: return "DW_AT_accessibility"; | |
1546 | case DW_AT_address_class: return "DW_AT_address_class"; | |
1547 | case DW_AT_artificial: return "DW_AT_artificial"; | |
1548 | case DW_AT_base_types: return "DW_AT_base_types"; | |
1549 | case DW_AT_calling_convention: return "DW_AT_calling_convention"; | |
1550 | case DW_AT_count: return "DW_AT_count"; | |
1551 | case DW_AT_data_member_location: return "DW_AT_data_member_location"; | |
1552 | case DW_AT_decl_column: return "DW_AT_decl_column"; | |
1553 | case DW_AT_decl_file: return "DW_AT_decl_file"; | |
1554 | case DW_AT_decl_line: return "DW_AT_decl_line"; | |
1555 | case DW_AT_declaration: return "DW_AT_declaration"; | |
1556 | case DW_AT_discr_list: return "DW_AT_discr_list"; | |
1557 | case DW_AT_encoding: return "DW_AT_encoding"; | |
1558 | case DW_AT_external: return "DW_AT_external"; | |
1559 | case DW_AT_frame_base: return "DW_AT_frame_base"; | |
1560 | case DW_AT_friend: return "DW_AT_friend"; | |
1561 | case DW_AT_identifier_case: return "DW_AT_identifier_case"; | |
1562 | case DW_AT_macro_info: return "DW_AT_macro_info"; | |
1563 | case DW_AT_namelist_items: return "DW_AT_namelist_items"; | |
1564 | case DW_AT_priority: return "DW_AT_priority"; | |
1565 | case DW_AT_segment: return "DW_AT_segment"; | |
1566 | case DW_AT_specification: return "DW_AT_specification"; | |
1567 | case DW_AT_static_link: return "DW_AT_static_link"; | |
1568 | case DW_AT_type: return "DW_AT_type"; | |
1569 | case DW_AT_use_location: return "DW_AT_use_location"; | |
1570 | case DW_AT_variable_parameter: return "DW_AT_variable_parameter"; | |
1571 | case DW_AT_virtuality: return "DW_AT_virtuality"; | |
1572 | case DW_AT_vtable_elem_location: return "DW_AT_vtable_elem_location"; | |
1573 | /* DWARF 2.1 values. */ | |
1574 | case DW_AT_allocated: return "DW_AT_allocated"; | |
1575 | case DW_AT_associated: return "DW_AT_associated"; | |
1576 | case DW_AT_data_location: return "DW_AT_data_location"; | |
1577 | case DW_AT_stride: return "DW_AT_stride"; | |
1578 | case DW_AT_entry_pc: return "DW_AT_entry_pc"; | |
1579 | case DW_AT_use_UTF8: return "DW_AT_use_UTF8"; | |
1580 | case DW_AT_extension: return "DW_AT_extension"; | |
1581 | case DW_AT_ranges: return "DW_AT_ranges"; | |
1582 | case DW_AT_trampoline: return "DW_AT_trampoline"; | |
1583 | case DW_AT_call_column: return "DW_AT_call_column"; | |
1584 | case DW_AT_call_file: return "DW_AT_call_file"; | |
1585 | case DW_AT_call_line: return "DW_AT_call_line"; | |
e2a0d921 NC |
1586 | case DW_AT_description: return "DW_AT_description"; |
1587 | case DW_AT_binary_scale: return "DW_AT_binary_scale"; | |
1588 | case DW_AT_decimal_scale: return "DW_AT_decimal_scale"; | |
1589 | case DW_AT_small: return "DW_AT_small"; | |
1590 | case DW_AT_decimal_sign: return "DW_AT_decimal_sign"; | |
1591 | case DW_AT_digit_count: return "DW_AT_digit_count"; | |
1592 | case DW_AT_picture_string: return "DW_AT_picture_string"; | |
1593 | case DW_AT_mutable: return "DW_AT_mutable"; | |
1594 | case DW_AT_threads_scaled: return "DW_AT_threads_scaled"; | |
1595 | case DW_AT_explicit: return "DW_AT_explicit"; | |
1596 | case DW_AT_object_pointer: return "DW_AT_object_pointer"; | |
1597 | case DW_AT_endianity: return "DW_AT_endianity"; | |
1598 | case DW_AT_elemental: return "DW_AT_elemental"; | |
1599 | case DW_AT_pure: return "DW_AT_pure"; | |
1600 | case DW_AT_recursive: return "DW_AT_recursive"; | |
1601 | ||
1602 | /* HP and SGI/MIPS extensions. */ | |
1603 | case DW_AT_MIPS_loop_begin: return "DW_AT_MIPS_loop_begin"; | |
1604 | case DW_AT_MIPS_tail_loop_begin: return "DW_AT_MIPS_tail_loop_begin"; | |
1605 | case DW_AT_MIPS_epilog_begin: return "DW_AT_MIPS_epilog_begin"; | |
1606 | case DW_AT_MIPS_loop_unroll_factor: return "DW_AT_MIPS_loop_unroll_factor"; | |
1607 | case DW_AT_MIPS_software_pipeline_depth: return "DW_AT_MIPS_software_pipeline_depth"; | |
1608 | case DW_AT_MIPS_linkage_name: return "DW_AT_MIPS_linkage_name"; | |
1609 | case DW_AT_MIPS_stride: return "DW_AT_MIPS_stride"; | |
1610 | case DW_AT_MIPS_abstract_name: return "DW_AT_MIPS_abstract_name"; | |
1611 | case DW_AT_MIPS_clone_origin: return "DW_AT_MIPS_clone_origin"; | |
1612 | case DW_AT_MIPS_has_inlines: return "DW_AT_MIPS_has_inlines"; | |
1613 | ||
1614 | /* HP Extensions. */ | |
1615 | case DW_AT_HP_block_index: return "DW_AT_HP_block_index"; | |
1616 | case DW_AT_HP_actuals_stmt_list: return "DW_AT_HP_actuals_stmt_list"; | |
1617 | case DW_AT_HP_proc_per_section: return "DW_AT_HP_proc_per_section"; | |
1618 | case DW_AT_HP_raw_data_ptr: return "DW_AT_HP_raw_data_ptr"; | |
1619 | case DW_AT_HP_pass_by_reference: return "DW_AT_HP_pass_by_reference"; | |
1620 | case DW_AT_HP_opt_level: return "DW_AT_HP_opt_level"; | |
1621 | case DW_AT_HP_prof_version_id: return "DW_AT_HP_prof_version_id"; | |
1622 | case DW_AT_HP_opt_flags: return "DW_AT_HP_opt_flags"; | |
1623 | case DW_AT_HP_cold_region_low_pc: return "DW_AT_HP_cold_region_low_pc"; | |
1624 | case DW_AT_HP_cold_region_high_pc: return "DW_AT_HP_cold_region_high_pc"; | |
1625 | case DW_AT_HP_all_variables_modifiable: return "DW_AT_HP_all_variables_modifiable"; | |
1626 | case DW_AT_HP_linkage_name: return "DW_AT_HP_linkage_name"; | |
1627 | case DW_AT_HP_prof_flags: return "DW_AT_HP_prof_flags"; | |
1628 | ||
1629 | /* One value is shared by the MIPS and HP extensions: */ | |
1630 | case DW_AT_MIPS_fde: return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable"; | |
1631 | ||
19e6b90e L |
1632 | /* GNU extensions. */ |
1633 | case DW_AT_sf_names: return "DW_AT_sf_names"; | |
1634 | case DW_AT_src_info: return "DW_AT_src_info"; | |
1635 | case DW_AT_mac_info: return "DW_AT_mac_info"; | |
1636 | case DW_AT_src_coords: return "DW_AT_src_coords"; | |
1637 | case DW_AT_body_begin: return "DW_AT_body_begin"; | |
1638 | case DW_AT_body_end: return "DW_AT_body_end"; | |
1639 | case DW_AT_GNU_vector: return "DW_AT_GNU_vector"; | |
e2a0d921 | 1640 | |
19e6b90e L |
1641 | /* UPC extension. */ |
1642 | case DW_AT_upc_threads_scaled: return "DW_AT_upc_threads_scaled"; | |
e2a0d921 NC |
1643 | |
1644 | /* PGI (STMicroelectronics) extensions. */ | |
1645 | case DW_AT_PGI_lbase: return "DW_AT_PGI_lbase"; | |
1646 | case DW_AT_PGI_soffset: return "DW_AT_PGI_soffset"; | |
1647 | case DW_AT_PGI_lstride: return "DW_AT_PGI_lstride"; | |
1648 | ||
19e6b90e L |
1649 | default: |
1650 | { | |
1651 | static char buffer[100]; | |
1652 | ||
1653 | snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"), | |
1654 | attribute); | |
1655 | return buffer; | |
1656 | } | |
1657 | } | |
1658 | } | |
1659 | ||
1660 | static unsigned char * | |
ec4d4525 NC |
1661 | read_and_display_attr (unsigned long attribute, |
1662 | unsigned long form, | |
1663 | unsigned char * data, | |
1664 | unsigned long cu_offset, | |
1665 | unsigned long pointer_size, | |
1666 | unsigned long offset_size, | |
1667 | int dwarf_version, | |
1668 | debug_info * debug_info_p, | |
1669 | int do_loc, | |
1670 | unsigned char * section_start) | |
19e6b90e L |
1671 | { |
1672 | if (!do_loc) | |
750f03b7 | 1673 | printf (" %-18s:", get_AT_name (attribute)); |
19e6b90e L |
1674 | data = read_and_display_attr_value (attribute, form, data, cu_offset, |
1675 | pointer_size, offset_size, | |
1676 | dwarf_version, debug_info_p, | |
ec4d4525 | 1677 | do_loc, section_start); |
19e6b90e L |
1678 | if (!do_loc) |
1679 | printf ("\n"); | |
1680 | return data; | |
1681 | } | |
1682 | ||
1683 | ||
1684 | /* Process the contents of a .debug_info section. If do_loc is non-zero | |
1685 | then we are scanning for location lists and we do not want to display | |
1686 | anything to the user. */ | |
1687 | ||
1688 | static int | |
1689 | process_debug_info (struct dwarf_section *section, void *file, | |
1690 | int do_loc) | |
1691 | { | |
1692 | unsigned char *start = section->start; | |
1693 | unsigned char *end = start + section->size; | |
1694 | unsigned char *section_begin; | |
1695 | unsigned int unit; | |
1696 | unsigned int num_units = 0; | |
1697 | ||
1698 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
1699 | && num_debug_info_entries == 0) | |
1700 | { | |
1701 | unsigned long length; | |
1702 | ||
1703 | /* First scan the section to get the number of comp units. */ | |
1704 | for (section_begin = start, num_units = 0; section_begin < end; | |
1705 | num_units ++) | |
1706 | { | |
1707 | /* Read the first 4 bytes. For a 32-bit DWARF section, this | |
1708 | will be the length. For a 64-bit DWARF section, it'll be | |
1709 | the escape code 0xffffffff followed by an 8 byte length. */ | |
1710 | length = byte_get (section_begin, 4); | |
1711 | ||
1712 | if (length == 0xffffffff) | |
1713 | { | |
1714 | length = byte_get (section_begin + 4, 8); | |
1715 | section_begin += length + 12; | |
1716 | } | |
ec4d4525 NC |
1717 | else if (length >= 0xfffffff0 && length < 0xffffffff) |
1718 | { | |
1719 | warn (_("Reserved length value (%lx) found in section %s\n"), length, section->name); | |
1720 | return 0; | |
1721 | } | |
19e6b90e L |
1722 | else |
1723 | section_begin += length + 4; | |
aca88567 NC |
1724 | |
1725 | /* Negative values are illegal, they may even cause infinite | |
1726 | looping. This can happen if we can't accurately apply | |
1727 | relocations to an object file. */ | |
1728 | if ((signed long) length <= 0) | |
1729 | { | |
1730 | warn (_("Corrupt unit length (%lx) found in section %s\n"), length, section->name); | |
1731 | return 0; | |
1732 | } | |
19e6b90e L |
1733 | } |
1734 | ||
1735 | if (num_units == 0) | |
1736 | { | |
1737 | error (_("No comp units in %s section ?"), section->name); | |
1738 | return 0; | |
1739 | } | |
1740 | ||
1741 | /* Then allocate an array to hold the information. */ | |
1742 | debug_information = cmalloc (num_units, | |
1743 | sizeof (* debug_information)); | |
1744 | if (debug_information == NULL) | |
1745 | { | |
1746 | error (_("Not enough memory for a debug info array of %u entries"), | |
1747 | num_units); | |
1748 | return 0; | |
1749 | } | |
1750 | } | |
1751 | ||
1752 | if (!do_loc) | |
1753 | { | |
1754 | printf (_("The section %s contains:\n\n"), section->name); | |
1755 | ||
1756 | load_debug_section (str, file); | |
1757 | } | |
1758 | ||
1759 | load_debug_section (abbrev, file); | |
1760 | if (debug_displays [abbrev].section.start == NULL) | |
1761 | { | |
1762 | warn (_("Unable to locate %s section!\n"), | |
1763 | debug_displays [abbrev].section.name); | |
1764 | return 0; | |
1765 | } | |
1766 | ||
1767 | for (section_begin = start, unit = 0; start < end; unit++) | |
1768 | { | |
1769 | DWARF2_Internal_CompUnit compunit; | |
1770 | unsigned char *hdrptr; | |
1771 | unsigned char *cu_abbrev_offset_ptr; | |
1772 | unsigned char *tags; | |
1773 | int level; | |
1774 | unsigned long cu_offset; | |
1775 | int offset_size; | |
1776 | int initial_length_size; | |
1777 | ||
1778 | hdrptr = start; | |
1779 | ||
1780 | compunit.cu_length = byte_get (hdrptr, 4); | |
1781 | hdrptr += 4; | |
1782 | ||
1783 | if (compunit.cu_length == 0xffffffff) | |
1784 | { | |
1785 | compunit.cu_length = byte_get (hdrptr, 8); | |
1786 | hdrptr += 8; | |
1787 | offset_size = 8; | |
1788 | initial_length_size = 12; | |
1789 | } | |
1790 | else | |
1791 | { | |
1792 | offset_size = 4; | |
1793 | initial_length_size = 4; | |
1794 | } | |
1795 | ||
1796 | compunit.cu_version = byte_get (hdrptr, 2); | |
1797 | hdrptr += 2; | |
1798 | ||
1799 | cu_offset = start - section_begin; | |
19e6b90e L |
1800 | |
1801 | cu_abbrev_offset_ptr = hdrptr; | |
1802 | compunit.cu_abbrev_offset = byte_get (hdrptr, offset_size); | |
1803 | hdrptr += offset_size; | |
1804 | ||
1805 | compunit.cu_pointer_size = byte_get (hdrptr, 1); | |
1806 | hdrptr += 1; | |
1807 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
1808 | && num_debug_info_entries == 0) | |
1809 | { | |
1810 | debug_information [unit].cu_offset = cu_offset; | |
1811 | debug_information [unit].pointer_size | |
1812 | = compunit.cu_pointer_size; | |
1813 | debug_information [unit].base_address = 0; | |
1814 | debug_information [unit].loc_offsets = NULL; | |
1815 | debug_information [unit].have_frame_base = NULL; | |
1816 | debug_information [unit].max_loc_offsets = 0; | |
1817 | debug_information [unit].num_loc_offsets = 0; | |
1818 | debug_information [unit].range_lists = NULL; | |
1819 | debug_information [unit].max_range_lists= 0; | |
1820 | debug_information [unit].num_range_lists = 0; | |
1821 | } | |
1822 | ||
19e6b90e L |
1823 | if (!do_loc) |
1824 | { | |
1825 | printf (_(" Compilation Unit @ offset 0x%lx:\n"), cu_offset); | |
1826 | printf (_(" Length: %ld\n"), compunit.cu_length); | |
1827 | printf (_(" Version: %d\n"), compunit.cu_version); | |
1828 | printf (_(" Abbrev Offset: %ld\n"), compunit.cu_abbrev_offset); | |
1829 | printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size); | |
1830 | } | |
1831 | ||
460c89ff NS |
1832 | if (cu_offset + compunit.cu_length + initial_length_size |
1833 | > section->size) | |
1834 | { | |
ec4d4525 NC |
1835 | warn (_("Debug info is corrupted, length of CU at %lx extends beyond end of section (length = %lx)\n"), |
1836 | cu_offset, compunit.cu_length); | |
460c89ff NS |
1837 | break; |
1838 | } | |
1839 | tags = hdrptr; | |
1840 | start += compunit.cu_length + initial_length_size; | |
1841 | ||
19e6b90e L |
1842 | if (compunit.cu_version != 2 && compunit.cu_version != 3) |
1843 | { | |
1844 | warn (_("Only version 2 and 3 DWARF debug information is currently supported.\n")); | |
1845 | continue; | |
1846 | } | |
1847 | ||
1848 | free_abbrevs (); | |
1849 | ||
bfe2612a L |
1850 | /* Process the abbrevs used by this compilation unit. DWARF |
1851 | sections under Mach-O have non-zero addresses. */ | |
460c89ff | 1852 | if (compunit.cu_abbrev_offset >= debug_displays [abbrev].section.size) |
ec4d4525 NC |
1853 | warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"), |
1854 | (unsigned long) compunit.cu_abbrev_offset, | |
1855 | (unsigned long) debug_displays [abbrev].section.size); | |
460c89ff NS |
1856 | else |
1857 | process_abbrev_section | |
1858 | ((unsigned char *) debug_displays [abbrev].section.start | |
1859 | + compunit.cu_abbrev_offset - debug_displays [abbrev].section.address, | |
1860 | (unsigned char *) debug_displays [abbrev].section.start | |
1861 | + debug_displays [abbrev].section.size); | |
19e6b90e L |
1862 | |
1863 | level = 0; | |
1864 | while (tags < start) | |
1865 | { | |
1866 | unsigned int bytes_read; | |
1867 | unsigned long abbrev_number; | |
ec4d4525 | 1868 | unsigned long die_offset; |
19e6b90e L |
1869 | abbrev_entry *entry; |
1870 | abbrev_attr *attr; | |
1871 | ||
ec4d4525 NC |
1872 | die_offset = tags - section_begin; |
1873 | ||
19e6b90e L |
1874 | abbrev_number = read_leb128 (tags, & bytes_read, 0); |
1875 | tags += bytes_read; | |
1876 | ||
ec4d4525 | 1877 | /* A null DIE marks the end of a list of siblings. */ |
19e6b90e L |
1878 | if (abbrev_number == 0) |
1879 | { | |
1880 | --level; | |
ec4d4525 NC |
1881 | if (level < 0) |
1882 | { | |
1883 | static unsigned num_bogus_warns = 0; | |
1884 | ||
1885 | if (num_bogus_warns < 3) | |
1886 | { | |
1887 | warn (_("Bogus end-of-siblings marker detected at offset %lx in .debug_info section\n"), | |
1888 | die_offset); | |
1889 | num_bogus_warns ++; | |
1890 | if (num_bogus_warns == 3) | |
1891 | warn (_("Further warnings about bogus end-of-sibling markers suppressed\n")); | |
1892 | } | |
1893 | } | |
19e6b90e L |
1894 | continue; |
1895 | } | |
1896 | ||
4b78141a NC |
1897 | if (!do_loc) |
1898 | printf (_(" <%d><%lx>: Abbrev Number: %lu"), | |
ec4d4525 | 1899 | level, die_offset, abbrev_number); |
4b78141a | 1900 | |
19e6b90e L |
1901 | /* Scan through the abbreviation list until we reach the |
1902 | correct entry. */ | |
1903 | for (entry = first_abbrev; | |
1904 | entry && entry->entry != abbrev_number; | |
1905 | entry = entry->next) | |
1906 | continue; | |
1907 | ||
1908 | if (entry == NULL) | |
1909 | { | |
4b78141a NC |
1910 | if (!do_loc) |
1911 | { | |
1912 | printf ("\n"); | |
1913 | fflush (stdout); | |
1914 | } | |
19e6b90e L |
1915 | warn (_("Unable to locate entry %lu in the abbreviation table\n"), |
1916 | abbrev_number); | |
1917 | return 0; | |
1918 | } | |
1919 | ||
1920 | if (!do_loc) | |
4b78141a | 1921 | printf (_(" (%s)\n"), get_TAG_name (entry->tag)); |
19e6b90e L |
1922 | |
1923 | switch (entry->tag) | |
1924 | { | |
1925 | default: | |
1926 | need_base_address = 0; | |
1927 | break; | |
1928 | case DW_TAG_compile_unit: | |
1929 | need_base_address = 1; | |
1930 | break; | |
1931 | case DW_TAG_entry_point: | |
19e6b90e L |
1932 | case DW_TAG_subprogram: |
1933 | need_base_address = 0; | |
1934 | /* Assuming that there is no DW_AT_frame_base. */ | |
1935 | have_frame_base = 0; | |
1936 | break; | |
1937 | } | |
1938 | ||
1939 | for (attr = entry->first_attr; attr; attr = attr->next) | |
4b78141a NC |
1940 | { |
1941 | if (! do_loc) | |
1942 | /* Show the offset from where the tag was extracted. */ | |
750f03b7 | 1943 | printf (" <%2lx>", (unsigned long)(tags - section_begin)); |
4b78141a NC |
1944 | |
1945 | tags = read_and_display_attr (attr->attribute, | |
1946 | attr->form, | |
1947 | tags, cu_offset, | |
1948 | compunit.cu_pointer_size, | |
1949 | offset_size, | |
1950 | compunit.cu_version, | |
ec4d4525 NC |
1951 | debug_information + unit, |
1952 | do_loc, section->start); | |
4b78141a | 1953 | } |
19e6b90e L |
1954 | |
1955 | if (entry->children) | |
1956 | ++level; | |
1957 | } | |
1958 | } | |
1959 | ||
1960 | /* Set num_debug_info_entries here so that it can be used to check if | |
1961 | we need to process .debug_loc and .debug_ranges sections. */ | |
1962 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
1963 | && num_debug_info_entries == 0) | |
1964 | num_debug_info_entries = num_units; | |
1965 | ||
1966 | if (!do_loc) | |
1967 | { | |
1968 | printf ("\n"); | |
1969 | } | |
1970 | ||
1971 | return 1; | |
1972 | } | |
1973 | ||
1974 | /* Locate and scan the .debug_info section in the file and record the pointer | |
1975 | sizes and offsets for the compilation units in it. Usually an executable | |
1976 | will have just one pointer size, but this is not guaranteed, and so we try | |
1977 | not to make any assumptions. Returns zero upon failure, or the number of | |
1978 | compilation units upon success. */ | |
1979 | ||
1980 | static unsigned int | |
1981 | load_debug_info (void * file) | |
1982 | { | |
1983 | /* Reset the last pointer size so that we can issue correct error | |
1984 | messages if we are displaying the contents of more than one section. */ | |
1985 | last_pointer_size = 0; | |
1986 | warned_about_missing_comp_units = FALSE; | |
1987 | ||
1988 | /* If we already have the information there is nothing else to do. */ | |
1989 | if (num_debug_info_entries > 0) | |
1990 | return num_debug_info_entries; | |
1991 | ||
1992 | if (load_debug_section (info, file) | |
1993 | && process_debug_info (&debug_displays [info].section, file, 1)) | |
1994 | return num_debug_info_entries; | |
1995 | else | |
1996 | return 0; | |
1997 | } | |
1998 | ||
19e6b90e L |
1999 | static int |
2000 | display_debug_lines (struct dwarf_section *section, void *file) | |
2001 | { | |
2002 | unsigned char *start = section->start; | |
2003 | unsigned char *data = start; | |
2004 | unsigned char *end = start + section->size; | |
19e6b90e L |
2005 | |
2006 | printf (_("\nDump of debug contents of section %s:\n\n"), | |
2007 | section->name); | |
2008 | ||
2009 | load_debug_info (file); | |
2010 | ||
2011 | while (data < end) | |
2012 | { | |
2013 | DWARF2_Internal_LineInfo info; | |
2014 | unsigned char *standard_opcodes; | |
2015 | unsigned char *end_of_sequence; | |
2016 | unsigned char *hdrptr; | |
6523721c | 2017 | unsigned long hdroff; |
19e6b90e L |
2018 | int initial_length_size; |
2019 | int offset_size; | |
2020 | int i; | |
2021 | ||
2022 | hdrptr = data; | |
6523721c | 2023 | hdroff = hdrptr - start; |
19e6b90e L |
2024 | |
2025 | /* Check the length of the block. */ | |
2026 | info.li_length = byte_get (hdrptr, 4); | |
2027 | hdrptr += 4; | |
2028 | ||
2029 | if (info.li_length == 0xffffffff) | |
2030 | { | |
2031 | /* This section is 64-bit DWARF 3. */ | |
2032 | info.li_length = byte_get (hdrptr, 8); | |
2033 | hdrptr += 8; | |
2034 | offset_size = 8; | |
2035 | initial_length_size = 12; | |
2036 | } | |
2037 | else | |
2038 | { | |
2039 | offset_size = 4; | |
2040 | initial_length_size = 4; | |
2041 | } | |
2042 | ||
2043 | if (info.li_length + initial_length_size > section->size) | |
2044 | { | |
2045 | warn | |
2046 | (_("The line info appears to be corrupt - the section is too small\n")); | |
2047 | return 0; | |
2048 | } | |
2049 | ||
2050 | /* Check its version number. */ | |
2051 | info.li_version = byte_get (hdrptr, 2); | |
2052 | hdrptr += 2; | |
2053 | if (info.li_version != 2 && info.li_version != 3) | |
2054 | { | |
2055 | warn (_("Only DWARF version 2 and 3 line info is currently supported.\n")); | |
2056 | return 0; | |
2057 | } | |
2058 | ||
2059 | info.li_prologue_length = byte_get (hdrptr, offset_size); | |
2060 | hdrptr += offset_size; | |
2061 | info.li_min_insn_length = byte_get (hdrptr, 1); | |
2062 | hdrptr++; | |
2063 | info.li_default_is_stmt = byte_get (hdrptr, 1); | |
2064 | hdrptr++; | |
2065 | info.li_line_base = byte_get (hdrptr, 1); | |
2066 | hdrptr++; | |
2067 | info.li_line_range = byte_get (hdrptr, 1); | |
2068 | hdrptr++; | |
2069 | info.li_opcode_base = byte_get (hdrptr, 1); | |
2070 | hdrptr++; | |
2071 | ||
2072 | /* Sign extend the line base field. */ | |
2073 | info.li_line_base <<= 24; | |
2074 | info.li_line_base >>= 24; | |
2075 | ||
6523721c | 2076 | printf (_(" Offset: 0x%lx\n"), hdroff); |
19e6b90e L |
2077 | printf (_(" Length: %ld\n"), info.li_length); |
2078 | printf (_(" DWARF Version: %d\n"), info.li_version); | |
2079 | printf (_(" Prologue Length: %d\n"), info.li_prologue_length); | |
2080 | printf (_(" Minimum Instruction Length: %d\n"), info.li_min_insn_length); | |
2081 | printf (_(" Initial value of 'is_stmt': %d\n"), info.li_default_is_stmt); | |
2082 | printf (_(" Line Base: %d\n"), info.li_line_base); | |
2083 | printf (_(" Line Range: %d\n"), info.li_line_range); | |
2084 | printf (_(" Opcode Base: %d\n"), info.li_opcode_base); | |
19e6b90e L |
2085 | |
2086 | end_of_sequence = data + info.li_length + initial_length_size; | |
2087 | ||
2088 | reset_state_machine (info.li_default_is_stmt); | |
2089 | ||
2090 | /* Display the contents of the Opcodes table. */ | |
2091 | standard_opcodes = hdrptr; | |
2092 | ||
2093 | printf (_("\n Opcodes:\n")); | |
2094 | ||
2095 | for (i = 1; i < info.li_opcode_base; i++) | |
2096 | printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]); | |
2097 | ||
2098 | /* Display the contents of the Directory table. */ | |
2099 | data = standard_opcodes + info.li_opcode_base - 1; | |
2100 | ||
2101 | if (*data == 0) | |
2102 | printf (_("\n The Directory Table is empty.\n")); | |
2103 | else | |
2104 | { | |
2105 | printf (_("\n The Directory Table:\n")); | |
2106 | ||
2107 | while (*data != 0) | |
2108 | { | |
2109 | printf (_(" %s\n"), data); | |
2110 | ||
2111 | data += strlen ((char *) data) + 1; | |
2112 | } | |
2113 | } | |
2114 | ||
2115 | /* Skip the NUL at the end of the table. */ | |
2116 | data++; | |
2117 | ||
2118 | /* Display the contents of the File Name table. */ | |
2119 | if (*data == 0) | |
2120 | printf (_("\n The File Name Table is empty.\n")); | |
2121 | else | |
2122 | { | |
2123 | printf (_("\n The File Name Table:\n")); | |
2124 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); | |
2125 | ||
2126 | while (*data != 0) | |
2127 | { | |
2128 | unsigned char *name; | |
2129 | unsigned int bytes_read; | |
2130 | ||
2131 | printf (_(" %d\t"), ++state_machine_regs.last_file_entry); | |
2132 | name = data; | |
2133 | ||
2134 | data += strlen ((char *) data) + 1; | |
2135 | ||
2136 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |
2137 | data += bytes_read; | |
2138 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |
2139 | data += bytes_read; | |
2140 | printf (_("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |
2141 | data += bytes_read; | |
2142 | printf (_("%s\n"), name); | |
2143 | } | |
2144 | } | |
2145 | ||
2146 | /* Skip the NUL at the end of the table. */ | |
2147 | data++; | |
2148 | ||
2149 | /* Now display the statements. */ | |
2150 | printf (_("\n Line Number Statements:\n")); | |
2151 | ||
2152 | while (data < end_of_sequence) | |
2153 | { | |
2154 | unsigned char op_code; | |
2155 | int adv; | |
2156 | unsigned long int uladv; | |
2157 | unsigned int bytes_read; | |
2158 | ||
2159 | op_code = *data++; | |
2160 | ||
2161 | if (op_code >= info.li_opcode_base) | |
2162 | { | |
2163 | op_code -= info.li_opcode_base; | |
2164 | uladv = (op_code / info.li_line_range) * info.li_min_insn_length; | |
2165 | state_machine_regs.address += uladv; | |
2166 | printf (_(" Special opcode %d: advance Address by %lu to 0x%lx"), | |
2167 | op_code, uladv, state_machine_regs.address); | |
2168 | adv = (op_code % info.li_line_range) + info.li_line_base; | |
2169 | state_machine_regs.line += adv; | |
2170 | printf (_(" and Line by %d to %d\n"), | |
2171 | adv, state_machine_regs.line); | |
2172 | } | |
2173 | else switch (op_code) | |
2174 | { | |
2175 | case DW_LNS_extended_op: | |
1617e571 | 2176 | data += process_extended_line_op (data, info.li_default_is_stmt); |
19e6b90e L |
2177 | break; |
2178 | ||
2179 | case DW_LNS_copy: | |
2180 | printf (_(" Copy\n")); | |
2181 | break; | |
2182 | ||
2183 | case DW_LNS_advance_pc: | |
2184 | uladv = read_leb128 (data, & bytes_read, 0); | |
2185 | uladv *= info.li_min_insn_length; | |
2186 | data += bytes_read; | |
2187 | state_machine_regs.address += uladv; | |
2188 | printf (_(" Advance PC by %lu to 0x%lx\n"), uladv, | |
2189 | state_machine_regs.address); | |
2190 | break; | |
2191 | ||
2192 | case DW_LNS_advance_line: | |
2193 | adv = read_leb128 (data, & bytes_read, 1); | |
2194 | data += bytes_read; | |
2195 | state_machine_regs.line += adv; | |
2196 | printf (_(" Advance Line by %d to %d\n"), adv, | |
2197 | state_machine_regs.line); | |
2198 | break; | |
2199 | ||
2200 | case DW_LNS_set_file: | |
2201 | adv = read_leb128 (data, & bytes_read, 0); | |
2202 | data += bytes_read; | |
2203 | printf (_(" Set File Name to entry %d in the File Name Table\n"), | |
2204 | adv); | |
2205 | state_machine_regs.file = adv; | |
2206 | break; | |
2207 | ||
2208 | case DW_LNS_set_column: | |
2209 | uladv = read_leb128 (data, & bytes_read, 0); | |
2210 | data += bytes_read; | |
2211 | printf (_(" Set column to %lu\n"), uladv); | |
2212 | state_machine_regs.column = uladv; | |
2213 | break; | |
2214 | ||
2215 | case DW_LNS_negate_stmt: | |
2216 | adv = state_machine_regs.is_stmt; | |
2217 | adv = ! adv; | |
2218 | printf (_(" Set is_stmt to %d\n"), adv); | |
2219 | state_machine_regs.is_stmt = adv; | |
2220 | break; | |
2221 | ||
2222 | case DW_LNS_set_basic_block: | |
2223 | printf (_(" Set basic block\n")); | |
2224 | state_machine_regs.basic_block = 1; | |
2225 | break; | |
2226 | ||
2227 | case DW_LNS_const_add_pc: | |
2228 | uladv = (((255 - info.li_opcode_base) / info.li_line_range) | |
2229 | * info.li_min_insn_length); | |
2230 | state_machine_regs.address += uladv; | |
2231 | printf (_(" Advance PC by constant %lu to 0x%lx\n"), uladv, | |
2232 | state_machine_regs.address); | |
2233 | break; | |
2234 | ||
2235 | case DW_LNS_fixed_advance_pc: | |
2236 | uladv = byte_get (data, 2); | |
2237 | data += 2; | |
2238 | state_machine_regs.address += uladv; | |
2239 | printf (_(" Advance PC by fixed size amount %lu to 0x%lx\n"), | |
2240 | uladv, state_machine_regs.address); | |
2241 | break; | |
2242 | ||
2243 | case DW_LNS_set_prologue_end: | |
2244 | printf (_(" Set prologue_end to true\n")); | |
2245 | break; | |
2246 | ||
2247 | case DW_LNS_set_epilogue_begin: | |
2248 | printf (_(" Set epilogue_begin to true\n")); | |
2249 | break; | |
2250 | ||
2251 | case DW_LNS_set_isa: | |
2252 | uladv = read_leb128 (data, & bytes_read, 0); | |
2253 | data += bytes_read; | |
2254 | printf (_(" Set ISA to %lu\n"), uladv); | |
2255 | break; | |
2256 | ||
2257 | default: | |
2258 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
2259 | ||
2260 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
2261 | { | |
2262 | printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0), | |
2263 | i == 1 ? "" : ", "); | |
2264 | data += bytes_read; | |
2265 | } | |
2266 | putchar ('\n'); | |
2267 | break; | |
2268 | } | |
2269 | } | |
2270 | putchar ('\n'); | |
2271 | } | |
2272 | ||
2273 | return 1; | |
2274 | } | |
2275 | ||
2276 | static int | |
2277 | display_debug_pubnames (struct dwarf_section *section, | |
2278 | void *file ATTRIBUTE_UNUSED) | |
2279 | { | |
2280 | DWARF2_Internal_PubNames pubnames; | |
2281 | unsigned char *start = section->start; | |
2282 | unsigned char *end = start + section->size; | |
2283 | ||
2284 | printf (_("Contents of the %s section:\n\n"), section->name); | |
2285 | ||
2286 | while (start < end) | |
2287 | { | |
2288 | unsigned char *data; | |
2289 | unsigned long offset; | |
2290 | int offset_size, initial_length_size; | |
2291 | ||
2292 | data = start; | |
2293 | ||
2294 | pubnames.pn_length = byte_get (data, 4); | |
2295 | data += 4; | |
2296 | if (pubnames.pn_length == 0xffffffff) | |
2297 | { | |
2298 | pubnames.pn_length = byte_get (data, 8); | |
2299 | data += 8; | |
2300 | offset_size = 8; | |
2301 | initial_length_size = 12; | |
2302 | } | |
2303 | else | |
2304 | { | |
2305 | offset_size = 4; | |
2306 | initial_length_size = 4; | |
2307 | } | |
2308 | ||
2309 | pubnames.pn_version = byte_get (data, 2); | |
2310 | data += 2; | |
2311 | pubnames.pn_offset = byte_get (data, offset_size); | |
2312 | data += offset_size; | |
2313 | pubnames.pn_size = byte_get (data, offset_size); | |
2314 | data += offset_size; | |
2315 | ||
2316 | start += pubnames.pn_length + initial_length_size; | |
2317 | ||
2318 | if (pubnames.pn_version != 2 && pubnames.pn_version != 3) | |
2319 | { | |
2320 | static int warned = 0; | |
2321 | ||
2322 | if (! warned) | |
2323 | { | |
2324 | warn (_("Only DWARF 2 and 3 pubnames are currently supported\n")); | |
2325 | warned = 1; | |
2326 | } | |
2327 | ||
2328 | continue; | |
2329 | } | |
2330 | ||
2331 | printf (_(" Length: %ld\n"), | |
2332 | pubnames.pn_length); | |
2333 | printf (_(" Version: %d\n"), | |
2334 | pubnames.pn_version); | |
2335 | printf (_(" Offset into .debug_info section: %ld\n"), | |
2336 | pubnames.pn_offset); | |
2337 | printf (_(" Size of area in .debug_info section: %ld\n"), | |
2338 | pubnames.pn_size); | |
2339 | ||
2340 | printf (_("\n Offset\tName\n")); | |
2341 | ||
2342 | do | |
2343 | { | |
2344 | offset = byte_get (data, offset_size); | |
2345 | ||
2346 | if (offset != 0) | |
2347 | { | |
2348 | data += offset_size; | |
2349 | printf (" %-6ld\t\t%s\n", offset, data); | |
2350 | data += strlen ((char *) data) + 1; | |
2351 | } | |
2352 | } | |
2353 | while (offset != 0); | |
2354 | } | |
2355 | ||
2356 | printf ("\n"); | |
2357 | return 1; | |
2358 | } | |
2359 | ||
2360 | static int | |
2361 | display_debug_macinfo (struct dwarf_section *section, | |
2362 | void *file ATTRIBUTE_UNUSED) | |
2363 | { | |
2364 | unsigned char *start = section->start; | |
2365 | unsigned char *end = start + section->size; | |
2366 | unsigned char *curr = start; | |
2367 | unsigned int bytes_read; | |
2368 | enum dwarf_macinfo_record_type op; | |
2369 | ||
2370 | printf (_("Contents of the %s section:\n\n"), section->name); | |
2371 | ||
2372 | while (curr < end) | |
2373 | { | |
2374 | unsigned int lineno; | |
2375 | const char *string; | |
2376 | ||
2377 | op = *curr; | |
2378 | curr++; | |
2379 | ||
2380 | switch (op) | |
2381 | { | |
2382 | case DW_MACINFO_start_file: | |
2383 | { | |
2384 | unsigned int filenum; | |
2385 | ||
2386 | lineno = read_leb128 (curr, & bytes_read, 0); | |
2387 | curr += bytes_read; | |
2388 | filenum = read_leb128 (curr, & bytes_read, 0); | |
2389 | curr += bytes_read; | |
2390 | ||
2391 | printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), | |
2392 | lineno, filenum); | |
2393 | } | |
2394 | break; | |
2395 | ||
2396 | case DW_MACINFO_end_file: | |
2397 | printf (_(" DW_MACINFO_end_file\n")); | |
2398 | break; | |
2399 | ||
2400 | case DW_MACINFO_define: | |
2401 | lineno = read_leb128 (curr, & bytes_read, 0); | |
2402 | curr += bytes_read; | |
2403 | string = (char *) curr; | |
2404 | curr += strlen (string) + 1; | |
2405 | printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"), | |
2406 | lineno, string); | |
2407 | break; | |
2408 | ||
2409 | case DW_MACINFO_undef: | |
2410 | lineno = read_leb128 (curr, & bytes_read, 0); | |
2411 | curr += bytes_read; | |
2412 | string = (char *) curr; | |
2413 | curr += strlen (string) + 1; | |
2414 | printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"), | |
2415 | lineno, string); | |
2416 | break; | |
2417 | ||
2418 | case DW_MACINFO_vendor_ext: | |
2419 | { | |
2420 | unsigned int constant; | |
2421 | ||
2422 | constant = read_leb128 (curr, & bytes_read, 0); | |
2423 | curr += bytes_read; | |
2424 | string = (char *) curr; | |
2425 | curr += strlen (string) + 1; | |
2426 | printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), | |
2427 | constant, string); | |
2428 | } | |
2429 | break; | |
2430 | } | |
2431 | } | |
2432 | ||
2433 | return 1; | |
2434 | } | |
2435 | ||
2436 | static int | |
2437 | display_debug_abbrev (struct dwarf_section *section, | |
2438 | void *file ATTRIBUTE_UNUSED) | |
2439 | { | |
2440 | abbrev_entry *entry; | |
2441 | unsigned char *start = section->start; | |
2442 | unsigned char *end = start + section->size; | |
2443 | ||
2444 | printf (_("Contents of the %s section:\n\n"), section->name); | |
2445 | ||
2446 | do | |
2447 | { | |
2448 | free_abbrevs (); | |
2449 | ||
2450 | start = process_abbrev_section (start, end); | |
2451 | ||
2452 | if (first_abbrev == NULL) | |
2453 | continue; | |
2454 | ||
2455 | printf (_(" Number TAG\n")); | |
2456 | ||
2457 | for (entry = first_abbrev; entry; entry = entry->next) | |
2458 | { | |
2459 | abbrev_attr *attr; | |
2460 | ||
2461 | printf (_(" %ld %s [%s]\n"), | |
2462 | entry->entry, | |
2463 | get_TAG_name (entry->tag), | |
2464 | entry->children ? _("has children") : _("no children")); | |
2465 | ||
2466 | for (attr = entry->first_attr; attr; attr = attr->next) | |
2467 | printf (_(" %-18s %s\n"), | |
2468 | get_AT_name (attr->attribute), | |
2469 | get_FORM_name (attr->form)); | |
2470 | } | |
2471 | } | |
2472 | while (start); | |
2473 | ||
2474 | printf ("\n"); | |
2475 | ||
2476 | return 1; | |
2477 | } | |
2478 | ||
2479 | static int | |
2480 | display_debug_loc (struct dwarf_section *section, void *file) | |
2481 | { | |
2482 | unsigned char *start = section->start; | |
2483 | unsigned char *section_end; | |
2484 | unsigned long bytes; | |
2485 | unsigned char *section_begin = start; | |
2486 | unsigned int num_loc_list = 0; | |
2487 | unsigned long last_offset = 0; | |
2488 | unsigned int first = 0; | |
2489 | unsigned int i; | |
2490 | unsigned int j; | |
2491 | int seen_first_offset = 0; | |
2492 | int use_debug_info = 1; | |
2493 | unsigned char *next; | |
2494 | ||
2495 | bytes = section->size; | |
2496 | section_end = start + bytes; | |
2497 | ||
2498 | if (bytes == 0) | |
2499 | { | |
2500 | printf (_("\nThe %s section is empty.\n"), section->name); | |
2501 | return 0; | |
2502 | } | |
2503 | ||
2504 | load_debug_info (file); | |
2505 | ||
2506 | /* Check the order of location list in .debug_info section. If | |
2507 | offsets of location lists are in the ascending order, we can | |
2508 | use `debug_information' directly. */ | |
2509 | for (i = 0; i < num_debug_info_entries; i++) | |
2510 | { | |
2511 | unsigned int num; | |
2512 | ||
2513 | num = debug_information [i].num_loc_offsets; | |
2514 | num_loc_list += num; | |
2515 | ||
2516 | /* Check if we can use `debug_information' directly. */ | |
2517 | if (use_debug_info && num != 0) | |
2518 | { | |
2519 | if (!seen_first_offset) | |
2520 | { | |
2521 | /* This is the first location list. */ | |
2522 | last_offset = debug_information [i].loc_offsets [0]; | |
2523 | first = i; | |
2524 | seen_first_offset = 1; | |
2525 | j = 1; | |
2526 | } | |
2527 | else | |
2528 | j = 0; | |
2529 | ||
2530 | for (; j < num; j++) | |
2531 | { | |
2532 | if (last_offset > | |
2533 | debug_information [i].loc_offsets [j]) | |
2534 | { | |
2535 | use_debug_info = 0; | |
2536 | break; | |
2537 | } | |
2538 | last_offset = debug_information [i].loc_offsets [j]; | |
2539 | } | |
2540 | } | |
2541 | } | |
2542 | ||
2543 | if (!use_debug_info) | |
2544 | /* FIXME: Should we handle this case? */ | |
2545 | error (_("Location lists in .debug_info section aren't in ascending order!\n")); | |
2546 | ||
2547 | if (!seen_first_offset) | |
2548 | error (_("No location lists in .debug_info section!\n")); | |
2549 | ||
bfe2612a | 2550 | /* DWARF sections under Mach-O have non-zero addresses. */ |
d4bfc77b AS |
2551 | if (debug_information [first].num_loc_offsets > 0 |
2552 | && debug_information [first].loc_offsets [0] != section->address) | |
19e6b90e L |
2553 | warn (_("Location lists in %s section start at 0x%lx\n"), |
2554 | section->name, debug_information [first].loc_offsets [0]); | |
2555 | ||
2556 | printf (_("Contents of the %s section:\n\n"), section->name); | |
2557 | printf (_(" Offset Begin End Expression\n")); | |
2558 | ||
2559 | seen_first_offset = 0; | |
2560 | for (i = first; i < num_debug_info_entries; i++) | |
2561 | { | |
2562 | unsigned long begin; | |
2563 | unsigned long end; | |
2564 | unsigned short length; | |
2565 | unsigned long offset; | |
2566 | unsigned int pointer_size; | |
2567 | unsigned long cu_offset; | |
2568 | unsigned long base_address; | |
2569 | int need_frame_base; | |
2570 | int has_frame_base; | |
2571 | ||
2572 | pointer_size = debug_information [i].pointer_size; | |
2573 | cu_offset = debug_information [i].cu_offset; | |
2574 | ||
2575 | for (j = 0; j < debug_information [i].num_loc_offsets; j++) | |
2576 | { | |
2577 | has_frame_base = debug_information [i].have_frame_base [j]; | |
bfe2612a L |
2578 | /* DWARF sections under Mach-O have non-zero addresses. */ |
2579 | offset = debug_information [i].loc_offsets [j] - section->address; | |
19e6b90e L |
2580 | next = section_begin + offset; |
2581 | base_address = debug_information [i].base_address; | |
2582 | ||
2583 | if (!seen_first_offset) | |
2584 | seen_first_offset = 1; | |
2585 | else | |
2586 | { | |
2587 | if (start < next) | |
2588 | warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
2589 | (long)(start - section_begin), (long)(next - section_begin)); | |
2590 | else if (start > next) | |
2591 | warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
2592 | (long)(start - section_begin), (long)(next - section_begin)); | |
2593 | } | |
2594 | start = next; | |
2595 | ||
2596 | if (offset >= bytes) | |
2597 | { | |
2598 | warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"), | |
2599 | offset); | |
2600 | continue; | |
2601 | } | |
2602 | ||
2603 | while (1) | |
2604 | { | |
2605 | if (start + 2 * pointer_size > section_end) | |
2606 | { | |
2607 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
2608 | offset); | |
2609 | break; | |
2610 | } | |
2611 | ||
2612 | begin = byte_get (start, pointer_size); | |
2613 | start += pointer_size; | |
2614 | end = byte_get (start, pointer_size); | |
2615 | start += pointer_size; | |
2616 | ||
2617 | if (begin == 0 && end == 0) | |
2618 | { | |
2619 | printf (_(" %8.8lx <End of list>\n"), offset); | |
2620 | break; | |
2621 | } | |
2622 | ||
2623 | /* Check base address specifiers. */ | |
2624 | if (begin == -1UL && end != -1UL) | |
2625 | { | |
2626 | base_address = end; | |
2627 | printf (_(" %8.8lx %8.8lx %8.8lx (base address)\n"), | |
2628 | offset, begin, end); | |
2629 | continue; | |
2630 | } | |
2631 | ||
2632 | if (start + 2 > section_end) | |
2633 | { | |
2634 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
2635 | offset); | |
2636 | break; | |
2637 | } | |
2638 | ||
2639 | length = byte_get (start, 2); | |
2640 | start += 2; | |
2641 | ||
2642 | if (start + length > section_end) | |
2643 | { | |
2644 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
2645 | offset); | |
2646 | break; | |
2647 | } | |
2648 | ||
2649 | printf (" %8.8lx %8.8lx %8.8lx (", | |
2650 | offset, begin + base_address, end + base_address); | |
2651 | need_frame_base = decode_location_expression (start, | |
2652 | pointer_size, | |
2653 | length, | |
2654 | cu_offset); | |
2655 | putchar (')'); | |
2656 | ||
2657 | if (need_frame_base && !has_frame_base) | |
2658 | printf (_(" [without DW_AT_frame_base]")); | |
2659 | ||
2660 | if (begin == end) | |
2661 | fputs (_(" (start == end)"), stdout); | |
2662 | else if (begin > end) | |
2663 | fputs (_(" (start > end)"), stdout); | |
2664 | ||
2665 | putchar ('\n'); | |
2666 | ||
2667 | start += length; | |
2668 | } | |
2669 | } | |
2670 | } | |
031cd65f NC |
2671 | |
2672 | if (start < section_end) | |
2673 | warn (_("There are %ld unused bytes at the end of section %s\n"), | |
0eb090cb | 2674 | (long) (section_end - start), section->name); |
19e6b90e L |
2675 | return 1; |
2676 | } | |
2677 | ||
2678 | static int | |
2679 | display_debug_str (struct dwarf_section *section, | |
2680 | void *file ATTRIBUTE_UNUSED) | |
2681 | { | |
2682 | unsigned char *start = section->start; | |
2683 | unsigned long bytes = section->size; | |
2684 | dwarf_vma addr = section->address; | |
2685 | ||
2686 | if (bytes == 0) | |
2687 | { | |
2688 | printf (_("\nThe %s section is empty.\n"), section->name); | |
2689 | return 0; | |
2690 | } | |
2691 | ||
2692 | printf (_("Contents of the %s section:\n\n"), section->name); | |
2693 | ||
2694 | while (bytes) | |
2695 | { | |
2696 | int j; | |
2697 | int k; | |
2698 | int lbytes; | |
2699 | ||
2700 | lbytes = (bytes > 16 ? 16 : bytes); | |
2701 | ||
2702 | printf (" 0x%8.8lx ", (unsigned long) addr); | |
2703 | ||
2704 | for (j = 0; j < 16; j++) | |
2705 | { | |
2706 | if (j < lbytes) | |
2707 | printf ("%2.2x", start[j]); | |
2708 | else | |
2709 | printf (" "); | |
2710 | ||
2711 | if ((j & 3) == 3) | |
2712 | printf (" "); | |
2713 | } | |
2714 | ||
2715 | for (j = 0; j < lbytes; j++) | |
2716 | { | |
2717 | k = start[j]; | |
2718 | if (k >= ' ' && k < 0x80) | |
2719 | printf ("%c", k); | |
2720 | else | |
2721 | printf ("."); | |
2722 | } | |
2723 | ||
2724 | putchar ('\n'); | |
2725 | ||
2726 | start += lbytes; | |
2727 | addr += lbytes; | |
2728 | bytes -= lbytes; | |
2729 | } | |
2730 | ||
2731 | putchar ('\n'); | |
2732 | ||
2733 | return 1; | |
2734 | } | |
2735 | ||
19e6b90e L |
2736 | static int |
2737 | display_debug_info (struct dwarf_section *section, void *file) | |
2738 | { | |
2739 | return process_debug_info (section, file, 0); | |
2740 | } | |
2741 | ||
2742 | ||
2743 | static int | |
2744 | display_debug_aranges (struct dwarf_section *section, | |
2745 | void *file ATTRIBUTE_UNUSED) | |
2746 | { | |
2747 | unsigned char *start = section->start; | |
2748 | unsigned char *end = start + section->size; | |
2749 | ||
2750 | printf (_("The section %s contains:\n\n"), section->name); | |
2751 | ||
2752 | while (start < end) | |
2753 | { | |
2754 | unsigned char *hdrptr; | |
2755 | DWARF2_Internal_ARange arange; | |
2756 | unsigned char *ranges; | |
2757 | unsigned long length; | |
2758 | unsigned long address; | |
53b8873b | 2759 | unsigned char address_size; |
19e6b90e L |
2760 | int excess; |
2761 | int offset_size; | |
2762 | int initial_length_size; | |
2763 | ||
2764 | hdrptr = start; | |
2765 | ||
2766 | arange.ar_length = byte_get (hdrptr, 4); | |
2767 | hdrptr += 4; | |
2768 | ||
2769 | if (arange.ar_length == 0xffffffff) | |
2770 | { | |
2771 | arange.ar_length = byte_get (hdrptr, 8); | |
2772 | hdrptr += 8; | |
2773 | offset_size = 8; | |
2774 | initial_length_size = 12; | |
2775 | } | |
2776 | else | |
2777 | { | |
2778 | offset_size = 4; | |
2779 | initial_length_size = 4; | |
2780 | } | |
2781 | ||
2782 | arange.ar_version = byte_get (hdrptr, 2); | |
2783 | hdrptr += 2; | |
2784 | ||
2785 | arange.ar_info_offset = byte_get (hdrptr, offset_size); | |
2786 | hdrptr += offset_size; | |
2787 | ||
2788 | arange.ar_pointer_size = byte_get (hdrptr, 1); | |
2789 | hdrptr += 1; | |
2790 | ||
2791 | arange.ar_segment_size = byte_get (hdrptr, 1); | |
2792 | hdrptr += 1; | |
2793 | ||
2794 | if (arange.ar_version != 2 && arange.ar_version != 3) | |
2795 | { | |
2796 | warn (_("Only DWARF 2 and 3 aranges are currently supported.\n")); | |
2797 | break; | |
2798 | } | |
2799 | ||
2800 | printf (_(" Length: %ld\n"), arange.ar_length); | |
2801 | printf (_(" Version: %d\n"), arange.ar_version); | |
2802 | printf (_(" Offset into .debug_info: %lx\n"), arange.ar_info_offset); | |
2803 | printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size); | |
2804 | printf (_(" Segment Size: %d\n"), arange.ar_segment_size); | |
2805 | ||
53b8873b NC |
2806 | address_size = arange.ar_pointer_size + arange.ar_segment_size; |
2807 | ||
2808 | /* The DWARF spec does not require that the address size be a power | |
2809 | of two, but we do. This will have to change if we ever encounter | |
2810 | an uneven architecture. */ | |
2811 | if ((address_size & (address_size - 1)) != 0) | |
2812 | { | |
2813 | warn (_("Pointer size + Segment size is not a power of two.\n")); | |
2814 | break; | |
2815 | } | |
2816 | ||
209c9a13 NC |
2817 | if (address_size > 4) |
2818 | printf (_("\n Address Length\n")); | |
2819 | else | |
2820 | printf (_("\n Address Length\n")); | |
19e6b90e L |
2821 | |
2822 | ranges = hdrptr; | |
2823 | ||
53b8873b NC |
2824 | /* Must pad to an alignment boundary that is twice the address size. */ |
2825 | excess = (hdrptr - start) % (2 * address_size); | |
19e6b90e | 2826 | if (excess) |
53b8873b | 2827 | ranges += (2 * address_size) - excess; |
19e6b90e | 2828 | |
1617e571 AM |
2829 | start += arange.ar_length + initial_length_size; |
2830 | ||
53b8873b | 2831 | while (ranges + 2 * address_size <= start) |
19e6b90e | 2832 | { |
53b8873b | 2833 | address = byte_get (ranges, address_size); |
19e6b90e | 2834 | |
53b8873b | 2835 | ranges += address_size; |
19e6b90e | 2836 | |
53b8873b | 2837 | length = byte_get (ranges, address_size); |
19e6b90e | 2838 | |
53b8873b | 2839 | ranges += address_size; |
19e6b90e | 2840 | |
209c9a13 NC |
2841 | if (address_size > 4) |
2842 | printf (" 0x%16.16lx 0x%lx\n", address, length); | |
2843 | else | |
2844 | printf (" 0x%8.8lx 0x%lx\n", address, length); | |
19e6b90e | 2845 | } |
19e6b90e L |
2846 | } |
2847 | ||
2848 | printf ("\n"); | |
2849 | ||
2850 | return 1; | |
2851 | } | |
2852 | ||
2853 | static int | |
2854 | display_debug_ranges (struct dwarf_section *section, | |
2855 | void *file ATTRIBUTE_UNUSED) | |
2856 | { | |
2857 | unsigned char *start = section->start; | |
2858 | unsigned char *section_end; | |
2859 | unsigned long bytes; | |
2860 | unsigned char *section_begin = start; | |
2861 | unsigned int num_range_list = 0; | |
2862 | unsigned long last_offset = 0; | |
2863 | unsigned int first = 0; | |
2864 | unsigned int i; | |
2865 | unsigned int j; | |
2866 | int seen_first_offset = 0; | |
2867 | int use_debug_info = 1; | |
2868 | unsigned char *next; | |
2869 | ||
2870 | bytes = section->size; | |
2871 | section_end = start + bytes; | |
2872 | ||
2873 | if (bytes == 0) | |
2874 | { | |
2875 | printf (_("\nThe %s section is empty.\n"), section->name); | |
2876 | return 0; | |
2877 | } | |
2878 | ||
2879 | load_debug_info (file); | |
2880 | ||
2881 | /* Check the order of range list in .debug_info section. If | |
2882 | offsets of range lists are in the ascending order, we can | |
2883 | use `debug_information' directly. */ | |
2884 | for (i = 0; i < num_debug_info_entries; i++) | |
2885 | { | |
2886 | unsigned int num; | |
2887 | ||
2888 | num = debug_information [i].num_range_lists; | |
2889 | num_range_list += num; | |
2890 | ||
2891 | /* Check if we can use `debug_information' directly. */ | |
2892 | if (use_debug_info && num != 0) | |
2893 | { | |
2894 | if (!seen_first_offset) | |
2895 | { | |
2896 | /* This is the first range list. */ | |
2897 | last_offset = debug_information [i].range_lists [0]; | |
2898 | first = i; | |
2899 | seen_first_offset = 1; | |
2900 | j = 1; | |
2901 | } | |
2902 | else | |
2903 | j = 0; | |
2904 | ||
2905 | for (; j < num; j++) | |
2906 | { | |
2907 | if (last_offset > | |
2908 | debug_information [i].range_lists [j]) | |
2909 | { | |
2910 | use_debug_info = 0; | |
2911 | break; | |
2912 | } | |
2913 | last_offset = debug_information [i].range_lists [j]; | |
2914 | } | |
2915 | } | |
2916 | } | |
2917 | ||
2918 | if (!use_debug_info) | |
2919 | /* FIXME: Should we handle this case? */ | |
2920 | error (_("Range lists in .debug_info section aren't in ascending order!\n")); | |
2921 | ||
2922 | if (!seen_first_offset) | |
2923 | error (_("No range lists in .debug_info section!\n")); | |
2924 | ||
bfe2612a | 2925 | /* DWARF sections under Mach-O have non-zero addresses. */ |
d4bfc77b AS |
2926 | if (debug_information [first].num_range_lists > 0 |
2927 | && debug_information [first].range_lists [0] != section->address) | |
19e6b90e L |
2928 | warn (_("Range lists in %s section start at 0x%lx\n"), |
2929 | section->name, debug_information [first].range_lists [0]); | |
2930 | ||
2931 | printf (_("Contents of the %s section:\n\n"), section->name); | |
2932 | printf (_(" Offset Begin End\n")); | |
2933 | ||
2934 | seen_first_offset = 0; | |
2935 | for (i = first; i < num_debug_info_entries; i++) | |
2936 | { | |
2937 | unsigned long begin; | |
2938 | unsigned long end; | |
2939 | unsigned long offset; | |
2940 | unsigned int pointer_size; | |
2941 | unsigned long base_address; | |
2942 | ||
2943 | pointer_size = debug_information [i].pointer_size; | |
2944 | ||
2945 | for (j = 0; j < debug_information [i].num_range_lists; j++) | |
2946 | { | |
bfe2612a L |
2947 | /* DWARF sections under Mach-O have non-zero addresses. */ |
2948 | offset = debug_information [i].range_lists [j] - section->address; | |
19e6b90e L |
2949 | next = section_begin + offset; |
2950 | base_address = debug_information [i].base_address; | |
2951 | ||
2952 | if (!seen_first_offset) | |
2953 | seen_first_offset = 1; | |
2954 | else | |
2955 | { | |
2956 | if (start < next) | |
2957 | warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"), | |
2958 | (long)(start - section_begin), | |
2959 | (long)(next - section_begin), section->name); | |
2960 | else if (start > next) | |
2961 | warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"), | |
2962 | (long)(start - section_begin), | |
2963 | (long)(next - section_begin), section->name); | |
2964 | } | |
2965 | start = next; | |
2966 | ||
2967 | while (1) | |
2968 | { | |
2969 | begin = byte_get (start, pointer_size); | |
2970 | start += pointer_size; | |
2971 | end = byte_get (start, pointer_size); | |
2972 | start += pointer_size; | |
2973 | ||
2974 | if (begin == 0 && end == 0) | |
2975 | { | |
2976 | printf (_(" %8.8lx <End of list>\n"), offset); | |
2977 | break; | |
2978 | } | |
2979 | ||
2980 | /* Check base address specifiers. */ | |
2981 | if (begin == -1UL && end != -1UL) | |
2982 | { | |
2983 | base_address = end; | |
2984 | printf (" %8.8lx %8.8lx %8.8lx (base address)\n", | |
2985 | offset, begin, end); | |
2986 | continue; | |
2987 | } | |
2988 | ||
2989 | printf (" %8.8lx %8.8lx %8.8lx", | |
2990 | offset, begin + base_address, end + base_address); | |
2991 | ||
2992 | if (begin == end) | |
2993 | fputs (_(" (start == end)"), stdout); | |
2994 | else if (begin > end) | |
2995 | fputs (_(" (start > end)"), stdout); | |
2996 | ||
2997 | putchar ('\n'); | |
2998 | } | |
2999 | } | |
3000 | } | |
3001 | putchar ('\n'); | |
3002 | return 1; | |
3003 | } | |
3004 | ||
3005 | typedef struct Frame_Chunk | |
3006 | { | |
3007 | struct Frame_Chunk *next; | |
3008 | unsigned char *chunk_start; | |
3009 | int ncols; | |
3010 | /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */ | |
3011 | short int *col_type; | |
3012 | int *col_offset; | |
3013 | char *augmentation; | |
3014 | unsigned int code_factor; | |
3015 | int data_factor; | |
3016 | unsigned long pc_begin; | |
3017 | unsigned long pc_range; | |
3018 | int cfa_reg; | |
3019 | int cfa_offset; | |
3020 | int ra; | |
3021 | unsigned char fde_encoding; | |
3022 | unsigned char cfa_exp; | |
3023 | } | |
3024 | Frame_Chunk; | |
3025 | ||
3026 | /* A marker for a col_type that means this column was never referenced | |
3027 | in the frame info. */ | |
3028 | #define DW_CFA_unreferenced (-1) | |
3029 | ||
3030 | static void | |
3031 | frame_need_space (Frame_Chunk *fc, int reg) | |
3032 | { | |
3033 | int prev = fc->ncols; | |
3034 | ||
3035 | if (reg < fc->ncols) | |
3036 | return; | |
3037 | ||
3038 | fc->ncols = reg + 1; | |
3039 | fc->col_type = xcrealloc (fc->col_type, fc->ncols, sizeof (short int)); | |
3040 | fc->col_offset = xcrealloc (fc->col_offset, fc->ncols, sizeof (int)); | |
3041 | ||
3042 | while (prev < fc->ncols) | |
3043 | { | |
3044 | fc->col_type[prev] = DW_CFA_unreferenced; | |
3045 | fc->col_offset[prev] = 0; | |
3046 | prev++; | |
3047 | } | |
3048 | } | |
3049 | ||
3050 | static void | |
3051 | frame_display_row (Frame_Chunk *fc, int *need_col_headers, int *max_regs) | |
3052 | { | |
3053 | int r; | |
3054 | char tmp[100]; | |
3055 | ||
3056 | if (*max_regs < fc->ncols) | |
3057 | *max_regs = fc->ncols; | |
3058 | ||
3059 | if (*need_col_headers) | |
3060 | { | |
3061 | *need_col_headers = 0; | |
3062 | ||
3063 | printf (" LOC CFA "); | |
3064 | ||
3065 | for (r = 0; r < *max_regs; r++) | |
3066 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
3067 | { | |
3068 | if (r == fc->ra) | |
3069 | printf ("ra "); | |
3070 | else | |
3071 | printf ("r%-4d", r); | |
3072 | } | |
3073 | ||
3074 | printf ("\n"); | |
3075 | } | |
3076 | ||
3077 | printf ("%08lx ", fc->pc_begin); | |
3078 | if (fc->cfa_exp) | |
3079 | strcpy (tmp, "exp"); | |
3080 | else | |
3081 | sprintf (tmp, "r%d%+d", fc->cfa_reg, fc->cfa_offset); | |
3082 | printf ("%-8s ", tmp); | |
3083 | ||
3084 | for (r = 0; r < fc->ncols; r++) | |
3085 | { | |
3086 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
3087 | { | |
3088 | switch (fc->col_type[r]) | |
3089 | { | |
3090 | case DW_CFA_undefined: | |
3091 | strcpy (tmp, "u"); | |
3092 | break; | |
3093 | case DW_CFA_same_value: | |
3094 | strcpy (tmp, "s"); | |
3095 | break; | |
3096 | case DW_CFA_offset: | |
3097 | sprintf (tmp, "c%+d", fc->col_offset[r]); | |
3098 | break; | |
12eae2d3 JJ |
3099 | case DW_CFA_val_offset: |
3100 | sprintf (tmp, "v%+d", fc->col_offset[r]); | |
3101 | break; | |
19e6b90e L |
3102 | case DW_CFA_register: |
3103 | sprintf (tmp, "r%d", fc->col_offset[r]); | |
3104 | break; | |
3105 | case DW_CFA_expression: | |
3106 | strcpy (tmp, "exp"); | |
3107 | break; | |
12eae2d3 JJ |
3108 | case DW_CFA_val_expression: |
3109 | strcpy (tmp, "vexp"); | |
3110 | break; | |
19e6b90e L |
3111 | default: |
3112 | strcpy (tmp, "n/a"); | |
3113 | break; | |
3114 | } | |
3115 | printf ("%-5s", tmp); | |
3116 | } | |
3117 | } | |
3118 | printf ("\n"); | |
3119 | } | |
3120 | ||
3121 | static int | |
3122 | size_of_encoded_value (int encoding) | |
3123 | { | |
3124 | switch (encoding & 0x7) | |
3125 | { | |
3126 | default: /* ??? */ | |
3127 | case 0: return eh_addr_size; | |
3128 | case 2: return 2; | |
3129 | case 3: return 4; | |
3130 | case 4: return 8; | |
3131 | } | |
3132 | } | |
3133 | ||
3134 | static dwarf_vma | |
3135 | get_encoded_value (unsigned char *data, int encoding) | |
3136 | { | |
3137 | int size = size_of_encoded_value (encoding); | |
53b8873b | 3138 | |
19e6b90e L |
3139 | if (encoding & DW_EH_PE_signed) |
3140 | return byte_get_signed (data, size); | |
3141 | else | |
3142 | return byte_get (data, size); | |
3143 | } | |
3144 | ||
3145 | #define GET(N) byte_get (start, N); start += N | |
3146 | #define LEB() read_leb128 (start, & length_return, 0); start += length_return | |
3147 | #define SLEB() read_leb128 (start, & length_return, 1); start += length_return | |
3148 | ||
3149 | static int | |
3150 | display_debug_frames (struct dwarf_section *section, | |
3151 | void *file ATTRIBUTE_UNUSED) | |
3152 | { | |
3153 | unsigned char *start = section->start; | |
3154 | unsigned char *end = start + section->size; | |
3155 | unsigned char *section_start = start; | |
3156 | Frame_Chunk *chunks = 0; | |
3157 | Frame_Chunk *remembered_state = 0; | |
3158 | Frame_Chunk *rs; | |
3159 | int is_eh = strcmp (section->name, ".eh_frame") == 0; | |
3160 | unsigned int length_return; | |
3161 | int max_regs = 0; | |
3162 | ||
3163 | printf (_("The section %s contains:\n"), section->name); | |
3164 | ||
3165 | while (start < end) | |
3166 | { | |
3167 | unsigned char *saved_start; | |
3168 | unsigned char *block_end; | |
3169 | unsigned long length; | |
3170 | unsigned long cie_id; | |
3171 | Frame_Chunk *fc; | |
3172 | Frame_Chunk *cie; | |
3173 | int need_col_headers = 1; | |
3174 | unsigned char *augmentation_data = NULL; | |
3175 | unsigned long augmentation_data_len = 0; | |
3176 | int encoded_ptr_size = eh_addr_size; | |
3177 | int offset_size; | |
3178 | int initial_length_size; | |
3179 | ||
3180 | saved_start = start; | |
3181 | length = byte_get (start, 4); start += 4; | |
3182 | ||
3183 | if (length == 0) | |
3184 | { | |
3185 | printf ("\n%08lx ZERO terminator\n\n", | |
3186 | (unsigned long)(saved_start - section_start)); | |
b758e50f | 3187 | continue; |
19e6b90e L |
3188 | } |
3189 | ||
3190 | if (length == 0xffffffff) | |
3191 | { | |
3192 | length = byte_get (start, 8); | |
3193 | start += 8; | |
3194 | offset_size = 8; | |
3195 | initial_length_size = 12; | |
3196 | } | |
3197 | else | |
3198 | { | |
3199 | offset_size = 4; | |
3200 | initial_length_size = 4; | |
3201 | } | |
3202 | ||
3203 | block_end = saved_start + length + initial_length_size; | |
53b8873b NC |
3204 | if (block_end > end) |
3205 | { | |
3206 | warn ("Invalid length %#08lx in FDE at %#08lx\n", | |
3207 | length, (unsigned long)(saved_start - section_start)); | |
3208 | block_end = end; | |
3209 | } | |
19e6b90e L |
3210 | cie_id = byte_get (start, offset_size); start += offset_size; |
3211 | ||
3212 | if (is_eh ? (cie_id == 0) : (cie_id == DW_CIE_ID)) | |
3213 | { | |
3214 | int version; | |
3215 | ||
3216 | fc = xmalloc (sizeof (Frame_Chunk)); | |
3217 | memset (fc, 0, sizeof (Frame_Chunk)); | |
3218 | ||
3219 | fc->next = chunks; | |
3220 | chunks = fc; | |
3221 | fc->chunk_start = saved_start; | |
3222 | fc->ncols = 0; | |
3223 | fc->col_type = xmalloc (sizeof (short int)); | |
3224 | fc->col_offset = xmalloc (sizeof (int)); | |
3225 | frame_need_space (fc, max_regs-1); | |
3226 | ||
3227 | version = *start++; | |
3228 | ||
3229 | fc->augmentation = (char *) start; | |
3230 | start = (unsigned char *) strchr ((char *) start, '\0') + 1; | |
3231 | ||
3232 | if (fc->augmentation[0] == 'z') | |
3233 | { | |
3234 | fc->code_factor = LEB (); | |
3235 | fc->data_factor = SLEB (); | |
3236 | if (version == 1) | |
3237 | { | |
3238 | fc->ra = GET (1); | |
3239 | } | |
3240 | else | |
3241 | { | |
3242 | fc->ra = LEB (); | |
3243 | } | |
3244 | augmentation_data_len = LEB (); | |
3245 | augmentation_data = start; | |
3246 | start += augmentation_data_len; | |
3247 | } | |
3248 | else if (strcmp (fc->augmentation, "eh") == 0) | |
3249 | { | |
3250 | start += eh_addr_size; | |
3251 | fc->code_factor = LEB (); | |
3252 | fc->data_factor = SLEB (); | |
3253 | if (version == 1) | |
3254 | { | |
3255 | fc->ra = GET (1); | |
3256 | } | |
3257 | else | |
3258 | { | |
3259 | fc->ra = LEB (); | |
3260 | } | |
3261 | } | |
3262 | else | |
3263 | { | |
3264 | fc->code_factor = LEB (); | |
3265 | fc->data_factor = SLEB (); | |
3266 | if (version == 1) | |
3267 | { | |
3268 | fc->ra = GET (1); | |
3269 | } | |
3270 | else | |
3271 | { | |
3272 | fc->ra = LEB (); | |
3273 | } | |
3274 | } | |
3275 | cie = fc; | |
3276 | ||
3277 | if (do_debug_frames_interp) | |
3278 | printf ("\n%08lx %08lx %08lx CIE \"%s\" cf=%d df=%d ra=%d\n", | |
3279 | (unsigned long)(saved_start - section_start), length, cie_id, | |
3280 | fc->augmentation, fc->code_factor, fc->data_factor, | |
3281 | fc->ra); | |
3282 | else | |
3283 | { | |
3284 | printf ("\n%08lx %08lx %08lx CIE\n", | |
3285 | (unsigned long)(saved_start - section_start), length, cie_id); | |
3286 | printf (" Version: %d\n", version); | |
3287 | printf (" Augmentation: \"%s\"\n", fc->augmentation); | |
3288 | printf (" Code alignment factor: %u\n", fc->code_factor); | |
3289 | printf (" Data alignment factor: %d\n", fc->data_factor); | |
3290 | printf (" Return address column: %d\n", fc->ra); | |
3291 | ||
3292 | if (augmentation_data_len) | |
3293 | { | |
3294 | unsigned long i; | |
3295 | printf (" Augmentation data: "); | |
3296 | for (i = 0; i < augmentation_data_len; ++i) | |
3297 | printf (" %02x", augmentation_data[i]); | |
3298 | putchar ('\n'); | |
3299 | } | |
3300 | putchar ('\n'); | |
3301 | } | |
3302 | ||
3303 | if (augmentation_data_len) | |
3304 | { | |
3305 | unsigned char *p, *q; | |
3306 | p = (unsigned char *) fc->augmentation + 1; | |
3307 | q = augmentation_data; | |
3308 | ||
3309 | while (1) | |
3310 | { | |
3311 | if (*p == 'L') | |
3312 | q++; | |
3313 | else if (*p == 'P') | |
3314 | q += 1 + size_of_encoded_value (*q); | |
3315 | else if (*p == 'R') | |
3316 | fc->fde_encoding = *q++; | |
3317 | else | |
3318 | break; | |
3319 | p++; | |
3320 | } | |
3321 | ||
3322 | if (fc->fde_encoding) | |
3323 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
3324 | } | |
3325 | ||
3326 | frame_need_space (fc, fc->ra); | |
3327 | } | |
3328 | else | |
3329 | { | |
3330 | unsigned char *look_for; | |
3331 | static Frame_Chunk fde_fc; | |
3332 | ||
3333 | fc = & fde_fc; | |
3334 | memset (fc, 0, sizeof (Frame_Chunk)); | |
3335 | ||
3336 | look_for = is_eh ? start - 4 - cie_id : section_start + cie_id; | |
3337 | ||
3338 | for (cie = chunks; cie ; cie = cie->next) | |
3339 | if (cie->chunk_start == look_for) | |
3340 | break; | |
3341 | ||
3342 | if (!cie) | |
3343 | { | |
53b8873b | 3344 | warn ("Invalid CIE pointer %#08lx in FDE at %#08lx\n", |
1617e571 | 3345 | cie_id, (unsigned long)(saved_start - section_start)); |
19e6b90e L |
3346 | fc->ncols = 0; |
3347 | fc->col_type = xmalloc (sizeof (short int)); | |
3348 | fc->col_offset = xmalloc (sizeof (int)); | |
3349 | frame_need_space (fc, max_regs - 1); | |
3350 | cie = fc; | |
3351 | fc->augmentation = ""; | |
3352 | fc->fde_encoding = 0; | |
3353 | } | |
3354 | else | |
3355 | { | |
3356 | fc->ncols = cie->ncols; | |
3357 | fc->col_type = xcmalloc (fc->ncols, sizeof (short int)); | |
3358 | fc->col_offset = xcmalloc (fc->ncols, sizeof (int)); | |
3359 | memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int)); | |
3360 | memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int)); | |
3361 | fc->augmentation = cie->augmentation; | |
3362 | fc->code_factor = cie->code_factor; | |
3363 | fc->data_factor = cie->data_factor; | |
3364 | fc->cfa_reg = cie->cfa_reg; | |
3365 | fc->cfa_offset = cie->cfa_offset; | |
3366 | fc->ra = cie->ra; | |
3367 | frame_need_space (fc, max_regs-1); | |
3368 | fc->fde_encoding = cie->fde_encoding; | |
3369 | } | |
3370 | ||
3371 | if (fc->fde_encoding) | |
3372 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
3373 | ||
3374 | fc->pc_begin = get_encoded_value (start, fc->fde_encoding); | |
41e92641 | 3375 | if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel) |
19e6b90e L |
3376 | fc->pc_begin += section->address + (start - section_start); |
3377 | start += encoded_ptr_size; | |
3378 | fc->pc_range = byte_get (start, encoded_ptr_size); | |
3379 | start += encoded_ptr_size; | |
3380 | ||
3381 | if (cie->augmentation[0] == 'z') | |
3382 | { | |
3383 | augmentation_data_len = LEB (); | |
3384 | augmentation_data = start; | |
3385 | start += augmentation_data_len; | |
3386 | } | |
3387 | ||
3388 | printf ("\n%08lx %08lx %08lx FDE cie=%08lx pc=%08lx..%08lx\n", | |
3389 | (unsigned long)(saved_start - section_start), length, cie_id, | |
3390 | (unsigned long)(cie->chunk_start - section_start), | |
3391 | fc->pc_begin, fc->pc_begin + fc->pc_range); | |
3392 | if (! do_debug_frames_interp && augmentation_data_len) | |
3393 | { | |
3394 | unsigned long i; | |
3395 | ||
3396 | printf (" Augmentation data: "); | |
3397 | for (i = 0; i < augmentation_data_len; ++i) | |
3398 | printf (" %02x", augmentation_data[i]); | |
3399 | putchar ('\n'); | |
3400 | putchar ('\n'); | |
3401 | } | |
3402 | } | |
3403 | ||
3404 | /* At this point, fc is the current chunk, cie (if any) is set, and | |
3405 | we're about to interpret instructions for the chunk. */ | |
3406 | /* ??? At present we need to do this always, since this sizes the | |
3407 | fc->col_type and fc->col_offset arrays, which we write into always. | |
3408 | We should probably split the interpreted and non-interpreted bits | |
3409 | into two different routines, since there's so much that doesn't | |
3410 | really overlap between them. */ | |
3411 | if (1 || do_debug_frames_interp) | |
3412 | { | |
3413 | /* Start by making a pass over the chunk, allocating storage | |
3414 | and taking note of what registers are used. */ | |
3415 | unsigned char *tmp = start; | |
3416 | ||
3417 | while (start < block_end) | |
3418 | { | |
3419 | unsigned op, opa; | |
3420 | unsigned long reg, tmp; | |
3421 | ||
3422 | op = *start++; | |
3423 | opa = op & 0x3f; | |
3424 | if (op & 0xc0) | |
3425 | op &= 0xc0; | |
3426 | ||
3427 | /* Warning: if you add any more cases to this switch, be | |
3428 | sure to add them to the corresponding switch below. */ | |
3429 | switch (op) | |
3430 | { | |
3431 | case DW_CFA_advance_loc: | |
3432 | break; | |
3433 | case DW_CFA_offset: | |
3434 | LEB (); | |
3435 | frame_need_space (fc, opa); | |
3436 | fc->col_type[opa] = DW_CFA_undefined; | |
3437 | break; | |
3438 | case DW_CFA_restore: | |
3439 | frame_need_space (fc, opa); | |
3440 | fc->col_type[opa] = DW_CFA_undefined; | |
3441 | break; | |
3442 | case DW_CFA_set_loc: | |
3443 | start += encoded_ptr_size; | |
3444 | break; | |
3445 | case DW_CFA_advance_loc1: | |
3446 | start += 1; | |
3447 | break; | |
3448 | case DW_CFA_advance_loc2: | |
3449 | start += 2; | |
3450 | break; | |
3451 | case DW_CFA_advance_loc4: | |
3452 | start += 4; | |
3453 | break; | |
3454 | case DW_CFA_offset_extended: | |
12eae2d3 | 3455 | case DW_CFA_val_offset: |
19e6b90e L |
3456 | reg = LEB (); LEB (); |
3457 | frame_need_space (fc, reg); | |
3458 | fc->col_type[reg] = DW_CFA_undefined; | |
3459 | break; | |
3460 | case DW_CFA_restore_extended: | |
3461 | reg = LEB (); | |
3462 | frame_need_space (fc, reg); | |
3463 | fc->col_type[reg] = DW_CFA_undefined; | |
3464 | break; | |
3465 | case DW_CFA_undefined: | |
3466 | reg = LEB (); | |
3467 | frame_need_space (fc, reg); | |
3468 | fc->col_type[reg] = DW_CFA_undefined; | |
3469 | break; | |
3470 | case DW_CFA_same_value: | |
3471 | reg = LEB (); | |
3472 | frame_need_space (fc, reg); | |
3473 | fc->col_type[reg] = DW_CFA_undefined; | |
3474 | break; | |
3475 | case DW_CFA_register: | |
3476 | reg = LEB (); LEB (); | |
3477 | frame_need_space (fc, reg); | |
3478 | fc->col_type[reg] = DW_CFA_undefined; | |
3479 | break; | |
3480 | case DW_CFA_def_cfa: | |
3481 | LEB (); LEB (); | |
3482 | break; | |
3483 | case DW_CFA_def_cfa_register: | |
3484 | LEB (); | |
3485 | break; | |
3486 | case DW_CFA_def_cfa_offset: | |
3487 | LEB (); | |
3488 | break; | |
3489 | case DW_CFA_def_cfa_expression: | |
3490 | tmp = LEB (); | |
3491 | start += tmp; | |
3492 | break; | |
3493 | case DW_CFA_expression: | |
12eae2d3 | 3494 | case DW_CFA_val_expression: |
19e6b90e L |
3495 | reg = LEB (); |
3496 | tmp = LEB (); | |
3497 | start += tmp; | |
3498 | frame_need_space (fc, reg); | |
3499 | fc->col_type[reg] = DW_CFA_undefined; | |
3500 | break; | |
3501 | case DW_CFA_offset_extended_sf: | |
12eae2d3 | 3502 | case DW_CFA_val_offset_sf: |
19e6b90e L |
3503 | reg = LEB (); SLEB (); |
3504 | frame_need_space (fc, reg); | |
3505 | fc->col_type[reg] = DW_CFA_undefined; | |
3506 | break; | |
3507 | case DW_CFA_def_cfa_sf: | |
3508 | LEB (); SLEB (); | |
3509 | break; | |
3510 | case DW_CFA_def_cfa_offset_sf: | |
3511 | SLEB (); | |
3512 | break; | |
3513 | case DW_CFA_MIPS_advance_loc8: | |
3514 | start += 8; | |
3515 | break; | |
3516 | case DW_CFA_GNU_args_size: | |
3517 | LEB (); | |
3518 | break; | |
3519 | case DW_CFA_GNU_negative_offset_extended: | |
3520 | reg = LEB (); LEB (); | |
3521 | frame_need_space (fc, reg); | |
3522 | fc->col_type[reg] = DW_CFA_undefined; | |
3523 | ||
3524 | default: | |
3525 | break; | |
3526 | } | |
3527 | } | |
3528 | start = tmp; | |
3529 | } | |
3530 | ||
3531 | /* Now we know what registers are used, make a second pass over | |
3532 | the chunk, this time actually printing out the info. */ | |
3533 | ||
3534 | while (start < block_end) | |
3535 | { | |
3536 | unsigned op, opa; | |
3537 | unsigned long ul, reg, roffs; | |
3538 | long l, ofs; | |
3539 | dwarf_vma vma; | |
3540 | ||
3541 | op = *start++; | |
3542 | opa = op & 0x3f; | |
3543 | if (op & 0xc0) | |
3544 | op &= 0xc0; | |
3545 | ||
3546 | /* Warning: if you add any more cases to this switch, be | |
3547 | sure to add them to the corresponding switch above. */ | |
3548 | switch (op) | |
3549 | { | |
3550 | case DW_CFA_advance_loc: | |
3551 | if (do_debug_frames_interp) | |
3552 | frame_display_row (fc, &need_col_headers, &max_regs); | |
3553 | else | |
3554 | printf (" DW_CFA_advance_loc: %d to %08lx\n", | |
3555 | opa * fc->code_factor, | |
3556 | fc->pc_begin + opa * fc->code_factor); | |
3557 | fc->pc_begin += opa * fc->code_factor; | |
3558 | break; | |
3559 | ||
3560 | case DW_CFA_offset: | |
3561 | roffs = LEB (); | |
3562 | if (! do_debug_frames_interp) | |
3563 | printf (" DW_CFA_offset: r%d at cfa%+ld\n", | |
3564 | opa, roffs * fc->data_factor); | |
3565 | fc->col_type[opa] = DW_CFA_offset; | |
3566 | fc->col_offset[opa] = roffs * fc->data_factor; | |
3567 | break; | |
3568 | ||
3569 | case DW_CFA_restore: | |
3570 | if (! do_debug_frames_interp) | |
3571 | printf (" DW_CFA_restore: r%d\n", opa); | |
3572 | fc->col_type[opa] = cie->col_type[opa]; | |
3573 | fc->col_offset[opa] = cie->col_offset[opa]; | |
3574 | break; | |
3575 | ||
3576 | case DW_CFA_set_loc: | |
3577 | vma = get_encoded_value (start, fc->fde_encoding); | |
41e92641 | 3578 | if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel) |
19e6b90e L |
3579 | vma += section->address + (start - section_start); |
3580 | start += encoded_ptr_size; | |
3581 | if (do_debug_frames_interp) | |
3582 | frame_display_row (fc, &need_col_headers, &max_regs); | |
3583 | else | |
3584 | printf (" DW_CFA_set_loc: %08lx\n", (unsigned long)vma); | |
3585 | fc->pc_begin = vma; | |
3586 | break; | |
3587 | ||
3588 | case DW_CFA_advance_loc1: | |
3589 | ofs = byte_get (start, 1); start += 1; | |
3590 | if (do_debug_frames_interp) | |
3591 | frame_display_row (fc, &need_col_headers, &max_regs); | |
3592 | else | |
3593 | printf (" DW_CFA_advance_loc1: %ld to %08lx\n", | |
3594 | ofs * fc->code_factor, | |
3595 | fc->pc_begin + ofs * fc->code_factor); | |
3596 | fc->pc_begin += ofs * fc->code_factor; | |
3597 | break; | |
3598 | ||
3599 | case DW_CFA_advance_loc2: | |
3600 | ofs = byte_get (start, 2); start += 2; | |
3601 | if (do_debug_frames_interp) | |
3602 | frame_display_row (fc, &need_col_headers, &max_regs); | |
3603 | else | |
3604 | printf (" DW_CFA_advance_loc2: %ld to %08lx\n", | |
3605 | ofs * fc->code_factor, | |
3606 | fc->pc_begin + ofs * fc->code_factor); | |
3607 | fc->pc_begin += ofs * fc->code_factor; | |
3608 | break; | |
3609 | ||
3610 | case DW_CFA_advance_loc4: | |
3611 | ofs = byte_get (start, 4); start += 4; | |
3612 | if (do_debug_frames_interp) | |
3613 | frame_display_row (fc, &need_col_headers, &max_regs); | |
3614 | else | |
3615 | printf (" DW_CFA_advance_loc4: %ld to %08lx\n", | |
3616 | ofs * fc->code_factor, | |
3617 | fc->pc_begin + ofs * fc->code_factor); | |
3618 | fc->pc_begin += ofs * fc->code_factor; | |
3619 | break; | |
3620 | ||
3621 | case DW_CFA_offset_extended: | |
3622 | reg = LEB (); | |
3623 | roffs = LEB (); | |
3624 | if (! do_debug_frames_interp) | |
3625 | printf (" DW_CFA_offset_extended: r%ld at cfa%+ld\n", | |
3626 | reg, roffs * fc->data_factor); | |
3627 | fc->col_type[reg] = DW_CFA_offset; | |
3628 | fc->col_offset[reg] = roffs * fc->data_factor; | |
3629 | break; | |
3630 | ||
12eae2d3 JJ |
3631 | case DW_CFA_val_offset: |
3632 | reg = LEB (); | |
3633 | roffs = LEB (); | |
3634 | if (! do_debug_frames_interp) | |
3635 | printf (" DW_CFA_val_offset: r%ld at cfa%+ld\n", | |
3636 | reg, roffs * fc->data_factor); | |
3637 | fc->col_type[reg] = DW_CFA_val_offset; | |
3638 | fc->col_offset[reg] = roffs * fc->data_factor; | |
3639 | break; | |
3640 | ||
19e6b90e L |
3641 | case DW_CFA_restore_extended: |
3642 | reg = LEB (); | |
3643 | if (! do_debug_frames_interp) | |
3644 | printf (" DW_CFA_restore_extended: r%ld\n", reg); | |
3645 | fc->col_type[reg] = cie->col_type[reg]; | |
3646 | fc->col_offset[reg] = cie->col_offset[reg]; | |
3647 | break; | |
3648 | ||
3649 | case DW_CFA_undefined: | |
3650 | reg = LEB (); | |
3651 | if (! do_debug_frames_interp) | |
3652 | printf (" DW_CFA_undefined: r%ld\n", reg); | |
3653 | fc->col_type[reg] = DW_CFA_undefined; | |
3654 | fc->col_offset[reg] = 0; | |
3655 | break; | |
3656 | ||
3657 | case DW_CFA_same_value: | |
3658 | reg = LEB (); | |
3659 | if (! do_debug_frames_interp) | |
3660 | printf (" DW_CFA_same_value: r%ld\n", reg); | |
3661 | fc->col_type[reg] = DW_CFA_same_value; | |
3662 | fc->col_offset[reg] = 0; | |
3663 | break; | |
3664 | ||
3665 | case DW_CFA_register: | |
3666 | reg = LEB (); | |
3667 | roffs = LEB (); | |
3668 | if (! do_debug_frames_interp) | |
3669 | printf (" DW_CFA_register: r%ld in r%ld\n", reg, roffs); | |
3670 | fc->col_type[reg] = DW_CFA_register; | |
3671 | fc->col_offset[reg] = roffs; | |
3672 | break; | |
3673 | ||
3674 | case DW_CFA_remember_state: | |
3675 | if (! do_debug_frames_interp) | |
3676 | printf (" DW_CFA_remember_state\n"); | |
3677 | rs = xmalloc (sizeof (Frame_Chunk)); | |
3678 | rs->ncols = fc->ncols; | |
3679 | rs->col_type = xcmalloc (rs->ncols, sizeof (short int)); | |
3680 | rs->col_offset = xcmalloc (rs->ncols, sizeof (int)); | |
3681 | memcpy (rs->col_type, fc->col_type, rs->ncols); | |
3682 | memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (int)); | |
3683 | rs->next = remembered_state; | |
3684 | remembered_state = rs; | |
3685 | break; | |
3686 | ||
3687 | case DW_CFA_restore_state: | |
3688 | if (! do_debug_frames_interp) | |
3689 | printf (" DW_CFA_restore_state\n"); | |
3690 | rs = remembered_state; | |
3691 | if (rs) | |
3692 | { | |
3693 | remembered_state = rs->next; | |
3694 | frame_need_space (fc, rs->ncols-1); | |
3695 | memcpy (fc->col_type, rs->col_type, rs->ncols); | |
3696 | memcpy (fc->col_offset, rs->col_offset, | |
3697 | rs->ncols * sizeof (int)); | |
3698 | free (rs->col_type); | |
3699 | free (rs->col_offset); | |
3700 | free (rs); | |
3701 | } | |
3702 | else if (do_debug_frames_interp) | |
3703 | printf ("Mismatched DW_CFA_restore_state\n"); | |
3704 | break; | |
3705 | ||
3706 | case DW_CFA_def_cfa: | |
3707 | fc->cfa_reg = LEB (); | |
3708 | fc->cfa_offset = LEB (); | |
3709 | fc->cfa_exp = 0; | |
3710 | if (! do_debug_frames_interp) | |
3711 | printf (" DW_CFA_def_cfa: r%d ofs %d\n", | |
3712 | fc->cfa_reg, fc->cfa_offset); | |
3713 | break; | |
3714 | ||
3715 | case DW_CFA_def_cfa_register: | |
3716 | fc->cfa_reg = LEB (); | |
3717 | fc->cfa_exp = 0; | |
3718 | if (! do_debug_frames_interp) | |
3719 | printf (" DW_CFA_def_cfa_reg: r%d\n", fc->cfa_reg); | |
3720 | break; | |
3721 | ||
3722 | case DW_CFA_def_cfa_offset: | |
3723 | fc->cfa_offset = LEB (); | |
3724 | if (! do_debug_frames_interp) | |
3725 | printf (" DW_CFA_def_cfa_offset: %d\n", fc->cfa_offset); | |
3726 | break; | |
3727 | ||
3728 | case DW_CFA_nop: | |
3729 | if (! do_debug_frames_interp) | |
3730 | printf (" DW_CFA_nop\n"); | |
3731 | break; | |
3732 | ||
3733 | case DW_CFA_def_cfa_expression: | |
3734 | ul = LEB (); | |
3735 | if (! do_debug_frames_interp) | |
3736 | { | |
3737 | printf (" DW_CFA_def_cfa_expression ("); | |
3738 | decode_location_expression (start, eh_addr_size, ul, 0); | |
3739 | printf (")\n"); | |
3740 | } | |
3741 | fc->cfa_exp = 1; | |
3742 | start += ul; | |
3743 | break; | |
3744 | ||
3745 | case DW_CFA_expression: | |
3746 | reg = LEB (); | |
3747 | ul = LEB (); | |
3748 | if (! do_debug_frames_interp) | |
3749 | { | |
3750 | printf (" DW_CFA_expression: r%ld (", reg); | |
3751 | decode_location_expression (start, eh_addr_size, ul, 0); | |
3752 | printf (")\n"); | |
3753 | } | |
3754 | fc->col_type[reg] = DW_CFA_expression; | |
3755 | start += ul; | |
3756 | break; | |
3757 | ||
12eae2d3 JJ |
3758 | case DW_CFA_val_expression: |
3759 | reg = LEB (); | |
3760 | ul = LEB (); | |
3761 | if (! do_debug_frames_interp) | |
3762 | { | |
3763 | printf (" DW_CFA_val_expression: r%ld (", reg); | |
3764 | decode_location_expression (start, eh_addr_size, ul, 0); | |
3765 | printf (")\n"); | |
3766 | } | |
3767 | fc->col_type[reg] = DW_CFA_val_expression; | |
3768 | start += ul; | |
3769 | break; | |
3770 | ||
19e6b90e L |
3771 | case DW_CFA_offset_extended_sf: |
3772 | reg = LEB (); | |
3773 | l = SLEB (); | |
3774 | frame_need_space (fc, reg); | |
3775 | if (! do_debug_frames_interp) | |
3776 | printf (" DW_CFA_offset_extended_sf: r%ld at cfa%+ld\n", | |
3777 | reg, l * fc->data_factor); | |
3778 | fc->col_type[reg] = DW_CFA_offset; | |
3779 | fc->col_offset[reg] = l * fc->data_factor; | |
3780 | break; | |
3781 | ||
12eae2d3 JJ |
3782 | case DW_CFA_val_offset_sf: |
3783 | reg = LEB (); | |
3784 | l = SLEB (); | |
3785 | frame_need_space (fc, reg); | |
3786 | if (! do_debug_frames_interp) | |
3787 | printf (" DW_CFA_val_offset_sf: r%ld at cfa%+ld\n", | |
3788 | reg, l * fc->data_factor); | |
3789 | fc->col_type[reg] = DW_CFA_val_offset; | |
3790 | fc->col_offset[reg] = l * fc->data_factor; | |
3791 | break; | |
3792 | ||
19e6b90e L |
3793 | case DW_CFA_def_cfa_sf: |
3794 | fc->cfa_reg = LEB (); | |
3795 | fc->cfa_offset = SLEB (); | |
3796 | fc->cfa_offset = fc->cfa_offset * fc->data_factor; | |
3797 | fc->cfa_exp = 0; | |
3798 | if (! do_debug_frames_interp) | |
3799 | printf (" DW_CFA_def_cfa_sf: r%d ofs %d\n", | |
3800 | fc->cfa_reg, fc->cfa_offset); | |
3801 | break; | |
3802 | ||
3803 | case DW_CFA_def_cfa_offset_sf: | |
3804 | fc->cfa_offset = SLEB (); | |
3805 | fc->cfa_offset = fc->cfa_offset * fc->data_factor; | |
3806 | if (! do_debug_frames_interp) | |
3807 | printf (" DW_CFA_def_cfa_offset_sf: %d\n", fc->cfa_offset); | |
3808 | break; | |
3809 | ||
3810 | case DW_CFA_MIPS_advance_loc8: | |
3811 | ofs = byte_get (start, 8); start += 8; | |
3812 | if (do_debug_frames_interp) | |
3813 | frame_display_row (fc, &need_col_headers, &max_regs); | |
3814 | else | |
3815 | printf (" DW_CFA_MIPS_advance_loc8: %ld to %08lx\n", | |
3816 | ofs * fc->code_factor, | |
3817 | fc->pc_begin + ofs * fc->code_factor); | |
3818 | fc->pc_begin += ofs * fc->code_factor; | |
3819 | break; | |
3820 | ||
3821 | case DW_CFA_GNU_window_save: | |
3822 | if (! do_debug_frames_interp) | |
3823 | printf (" DW_CFA_GNU_window_save\n"); | |
3824 | break; | |
3825 | ||
3826 | case DW_CFA_GNU_args_size: | |
3827 | ul = LEB (); | |
3828 | if (! do_debug_frames_interp) | |
3829 | printf (" DW_CFA_GNU_args_size: %ld\n", ul); | |
3830 | break; | |
3831 | ||
3832 | case DW_CFA_GNU_negative_offset_extended: | |
3833 | reg = LEB (); | |
3834 | l = - LEB (); | |
3835 | frame_need_space (fc, reg); | |
3836 | if (! do_debug_frames_interp) | |
3837 | printf (" DW_CFA_GNU_negative_offset_extended: r%ld at cfa%+ld\n", | |
3838 | reg, l * fc->data_factor); | |
3839 | fc->col_type[reg] = DW_CFA_offset; | |
3840 | fc->col_offset[reg] = l * fc->data_factor; | |
3841 | break; | |
3842 | ||
3843 | default: | |
53b8873b NC |
3844 | if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user) |
3845 | printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op); | |
3846 | else | |
3847 | warn (_("unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op); | |
19e6b90e L |
3848 | start = block_end; |
3849 | } | |
3850 | } | |
3851 | ||
3852 | if (do_debug_frames_interp) | |
3853 | frame_display_row (fc, &need_col_headers, &max_regs); | |
3854 | ||
3855 | start = block_end; | |
3856 | } | |
3857 | ||
3858 | printf ("\n"); | |
3859 | ||
3860 | return 1; | |
3861 | } | |
3862 | ||
3863 | #undef GET | |
3864 | #undef LEB | |
3865 | #undef SLEB | |
3866 | ||
3867 | static int | |
3868 | display_debug_not_supported (struct dwarf_section *section, | |
3869 | void *file ATTRIBUTE_UNUSED) | |
3870 | { | |
3871 | printf (_("Displaying the debug contents of section %s is not yet supported.\n"), | |
3872 | section->name); | |
3873 | ||
3874 | return 1; | |
3875 | } | |
3876 | ||
3877 | void * | |
3878 | cmalloc (size_t nmemb, size_t size) | |
3879 | { | |
3880 | /* Check for overflow. */ | |
3881 | if (nmemb >= ~(size_t) 0 / size) | |
3882 | return NULL; | |
3883 | else | |
3884 | return malloc (nmemb * size); | |
3885 | } | |
3886 | ||
3887 | void * | |
3888 | xcmalloc (size_t nmemb, size_t size) | |
3889 | { | |
3890 | /* Check for overflow. */ | |
3891 | if (nmemb >= ~(size_t) 0 / size) | |
3892 | return NULL; | |
3893 | else | |
3894 | return xmalloc (nmemb * size); | |
3895 | } | |
3896 | ||
3897 | void * | |
3898 | xcrealloc (void *ptr, size_t nmemb, size_t size) | |
3899 | { | |
3900 | /* Check for overflow. */ | |
3901 | if (nmemb >= ~(size_t) 0 / size) | |
3902 | return NULL; | |
3903 | else | |
3904 | return xrealloc (ptr, nmemb * size); | |
3905 | } | |
3906 | ||
3907 | void | |
3908 | error (const char *message, ...) | |
3909 | { | |
3910 | va_list args; | |
3911 | ||
3912 | va_start (args, message); | |
3913 | fprintf (stderr, _("%s: Error: "), program_name); | |
3914 | vfprintf (stderr, message, args); | |
3915 | va_end (args); | |
3916 | } | |
3917 | ||
3918 | void | |
3919 | warn (const char *message, ...) | |
3920 | { | |
3921 | va_list args; | |
3922 | ||
3923 | va_start (args, message); | |
3924 | fprintf (stderr, _("%s: Warning: "), program_name); | |
3925 | vfprintf (stderr, message, args); | |
3926 | va_end (args); | |
3927 | } | |
3928 | ||
3929 | void | |
3930 | free_debug_memory (void) | |
3931 | { | |
3932 | enum dwarf_section_display_enum i; | |
3933 | ||
3934 | free_abbrevs (); | |
3935 | ||
3936 | for (i = 0; i < max; i++) | |
3937 | free_debug_section (i); | |
3938 | ||
3939 | if (debug_information) | |
3940 | { | |
3941 | for (i = 0; i < num_debug_info_entries; i++) | |
3942 | { | |
3943 | if (!debug_information [i].max_loc_offsets) | |
3944 | { | |
3945 | free (debug_information [i].loc_offsets); | |
3946 | free (debug_information [i].have_frame_base); | |
3947 | } | |
3948 | if (!debug_information [i].max_range_lists) | |
3949 | free (debug_information [i].range_lists); | |
3950 | } | |
3951 | free (debug_information); | |
3952 | debug_information = NULL; | |
3953 | num_debug_info_entries = 0; | |
3954 | } | |
3955 | ||
3956 | } | |
3957 | ||
3958 | struct dwarf_section_display debug_displays[] = | |
3959 | { | |
3960 | { { ".debug_abbrev", NULL, 0, 0 }, | |
3961 | display_debug_abbrev, 0, 0 }, | |
3962 | { { ".debug_aranges", NULL, 0, 0 }, | |
3963 | display_debug_aranges, 0, 0 }, | |
3964 | { { ".debug_frame", NULL, 0, 0 }, | |
3965 | display_debug_frames, 1, 0 }, | |
3966 | { { ".debug_info", NULL, 0, 0 }, | |
3967 | display_debug_info, 1, 0 }, | |
3968 | { { ".debug_line", NULL, 0, 0 }, | |
3969 | display_debug_lines, 0, 0 }, | |
3970 | { { ".debug_pubnames", NULL, 0, 0 }, | |
3971 | display_debug_pubnames, 0, 0 }, | |
3972 | { { ".eh_frame", NULL, 0, 0 }, | |
3973 | display_debug_frames, 1, 1 }, | |
3974 | { { ".debug_macinfo", NULL, 0, 0 }, | |
3975 | display_debug_macinfo, 0, 0 }, | |
3976 | { { ".debug_str", NULL, 0, 0 }, | |
3977 | display_debug_str, 0, 0 }, | |
3978 | { { ".debug_loc", NULL, 0, 0 }, | |
3979 | display_debug_loc, 0, 0 }, | |
3980 | { { ".debug_pubtypes", NULL, 0, 0 }, | |
3981 | display_debug_pubnames, 0, 0 }, | |
3982 | { { ".debug_ranges", NULL, 0, 0 }, | |
3983 | display_debug_ranges, 0, 0 }, | |
3984 | { { ".debug_static_func", NULL, 0, 0 }, | |
3985 | display_debug_not_supported, 0, 0 }, | |
3986 | { { ".debug_static_vars", NULL, 0, 0 }, | |
3987 | display_debug_not_supported, 0, 0 }, | |
3988 | { { ".debug_types", NULL, 0, 0 }, | |
3989 | display_debug_not_supported, 0, 0 }, | |
3990 | { { ".debug_weaknames", NULL, 0, 0 }, | |
3991 | display_debug_not_supported, 0, 0 } | |
3992 | }; |