File: | src/gnu/usr.bin/binutils-2.17/binutils/dwarf.c |
Warning: | line 186, column 19 The result of the left shift is undefined because the left operand is negative |
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1 | /* dwarf.c -- display DWARF contents of a BFD binary file | |||
2 | Copyright 2005, 2006 | |||
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 | |||
9 | the Free Software Foundation; either version 2 of the License, or | |||
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 | ||||
22 | #include <stdio.h> | |||
23 | ||||
24 | #include "dwarf.h" | |||
25 | ||||
26 | #include "bucomm.h" | |||
27 | #include "libiberty.h" | |||
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 = FALSE0; | |||
34 | ||||
35 | static unsigned int num_debug_info_entries = 0; | |||
36 | static debug_info *debug_information = NULL((void*)0); | |||
37 | ||||
38 | dwarf_vma eh_addr_size; | |||
39 | int is_relocatable; | |||
40 | ||||
41 | int do_debug_info; | |||
42 | int do_debug_abbrevs; | |||
43 | int do_debug_lines; | |||
44 | int do_debug_pubnames; | |||
45 | int do_debug_aranges; | |||
46 | int do_debug_ranges; | |||
47 | int do_debug_frames; | |||
48 | int do_debug_frames_interp; | |||
49 | int do_debug_macinfo; | |||
50 | int do_debug_str; | |||
51 | int do_debug_loc; | |||
52 | ||||
53 | dwarf_vma (*byte_get) (unsigned char *, int); | |||
54 | ||||
55 | dwarf_vma | |||
56 | byte_get_little_endian (unsigned char *field, int size) | |||
57 | { | |||
58 | switch (size) | |||
59 | { | |||
60 | case 1: | |||
61 | return *field; | |||
62 | ||||
63 | case 2: | |||
64 | return ((unsigned int) (field[0])) | |||
65 | | (((unsigned int) (field[1])) << 8); | |||
66 | ||||
67 | case 4: | |||
68 | return ((unsigned long) (field[0])) | |||
69 | | (((unsigned long) (field[1])) << 8) | |||
70 | | (((unsigned long) (field[2])) << 16) | |||
71 | | (((unsigned long) (field[3])) << 24); | |||
72 | ||||
73 | case 8: | |||
74 | if (sizeof (dwarf_vma) == 8) | |||
75 | return ((dwarf_vma) (field[0])) | |||
76 | | (((dwarf_vma) (field[1])) << 8) | |||
77 | | (((dwarf_vma) (field[2])) << 16) | |||
78 | | (((dwarf_vma) (field[3])) << 24) | |||
79 | | (((dwarf_vma) (field[4])) << 32) | |||
80 | | (((dwarf_vma) (field[5])) << 40) | |||
81 | | (((dwarf_vma) (field[6])) << 48) | |||
82 | | (((dwarf_vma) (field[7])) << 56); | |||
83 | else if (sizeof (dwarf_vma) == 4) | |||
84 | /* We want to extract data from an 8 byte wide field and | |||
85 | place it into a 4 byte wide field. Since this is a little | |||
86 | endian source we can just use the 4 byte extraction code. */ | |||
87 | return ((unsigned long) (field[0])) | |||
88 | | (((unsigned long) (field[1])) << 8) | |||
89 | | (((unsigned long) (field[2])) << 16) | |||
90 | | (((unsigned long) (field[3])) << 24); | |||
91 | ||||
92 | default: | |||
93 | error (_("Unhandled data length: %d\n")("Unhandled data length: %d\n"), size); | |||
94 | abort (); | |||
95 | } | |||
96 | } | |||
97 | ||||
98 | dwarf_vma | |||
99 | byte_get_big_endian (unsigned char *field, int size) | |||
100 | { | |||
101 | switch (size) | |||
102 | { | |||
103 | case 1: | |||
104 | return *field; | |||
105 | ||||
106 | case 2: | |||
107 | return ((unsigned int) (field[1])) | (((int) (field[0])) << 8); | |||
108 | ||||
109 | case 4: | |||
110 | return ((unsigned long) (field[3])) | |||
111 | | (((unsigned long) (field[2])) << 8) | |||
112 | | (((unsigned long) (field[1])) << 16) | |||
113 | | (((unsigned long) (field[0])) << 24); | |||
114 | ||||
115 | case 8: | |||
116 | if (sizeof (dwarf_vma) == 8) | |||
117 | return ((dwarf_vma) (field[7])) | |||
118 | | (((dwarf_vma) (field[6])) << 8) | |||
119 | | (((dwarf_vma) (field[5])) << 16) | |||
120 | | (((dwarf_vma) (field[4])) << 24) | |||
121 | | (((dwarf_vma) (field[3])) << 32) | |||
122 | | (((dwarf_vma) (field[2])) << 40) | |||
123 | | (((dwarf_vma) (field[1])) << 48) | |||
124 | | (((dwarf_vma) (field[0])) << 56); | |||
125 | else if (sizeof (dwarf_vma) == 4) | |||
126 | { | |||
127 | /* Although we are extracing data from an 8 byte wide field, | |||
128 | we are returning only 4 bytes of data. */ | |||
129 | field += 4; | |||
130 | return ((unsigned long) (field[3])) | |||
131 | | (((unsigned long) (field[2])) << 8) | |||
132 | | (((unsigned long) (field[1])) << 16) | |||
133 | | (((unsigned long) (field[0])) << 24); | |||
134 | } | |||
135 | ||||
136 | default: | |||
137 | error (_("Unhandled data length: %d\n")("Unhandled data length: %d\n"), size); | |||
138 | abort (); | |||
139 | } | |||
140 | } | |||
141 | ||||
142 | static dwarf_vma | |||
143 | byte_get_signed (unsigned char *field, int size) | |||
144 | { | |||
145 | dwarf_vma x = byte_get (field, size); | |||
146 | ||||
147 | switch (size) | |||
148 | { | |||
149 | case 1: | |||
150 | return (x ^ 0x80) - 0x80; | |||
151 | case 2: | |||
152 | return (x ^ 0x8000) - 0x8000; | |||
153 | case 4: | |||
154 | return (x ^ 0x80000000) - 0x80000000; | |||
155 | case 8: | |||
156 | return x; | |||
157 | default: | |||
158 | abort (); | |||
159 | } | |||
160 | } | |||
161 | ||||
162 | static unsigned long int | |||
163 | read_leb128 (unsigned char *data, unsigned int *length_return, int sign) | |||
164 | { | |||
165 | unsigned long int result = 0; | |||
166 | unsigned int num_read = 0; | |||
167 | unsigned int shift = 0; | |||
168 | unsigned char byte; | |||
169 | ||||
170 | do | |||
171 | { | |||
172 | byte = *data++; | |||
173 | num_read++; | |||
174 | ||||
175 | result |= ((unsigned long int) (byte & 0x7f)) << shift; | |||
176 | ||||
177 | shift += 7; | |||
178 | ||||
179 | } | |||
180 | while (byte & 0x80); | |||
181 | ||||
182 | if (length_return
| |||
183 | *length_return = num_read; | |||
184 | ||||
185 | if (sign
| |||
186 | result |= -1L << shift; | |||
| ||||
187 | ||||
188 | return result; | |||
189 | } | |||
190 | ||||
191 | typedef struct State_Machine_Registers | |||
192 | { | |||
193 | unsigned long address; | |||
194 | unsigned int file; | |||
195 | unsigned int line; | |||
196 | unsigned int column; | |||
197 | int is_stmt; | |||
198 | int basic_block; | |||
199 | int end_sequence; | |||
200 | /* This variable hold the number of the last entry seen | |||
201 | in the File Table. */ | |||
202 | unsigned int last_file_entry; | |||
203 | } SMR; | |||
204 | ||||
205 | static SMR state_machine_regs; | |||
206 | ||||
207 | static void | |||
208 | reset_state_machine (int is_stmt) | |||
209 | { | |||
210 | state_machine_regs.address = 0; | |||
211 | state_machine_regs.file = 1; | |||
212 | state_machine_regs.line = 1; | |||
213 | state_machine_regs.column = 0; | |||
214 | state_machine_regs.is_stmt = is_stmt; | |||
215 | state_machine_regs.basic_block = 0; | |||
216 | state_machine_regs.end_sequence = 0; | |||
217 | state_machine_regs.last_file_entry = 0; | |||
218 | } | |||
219 | ||||
220 | /* Handled an extend line op. | |||
221 | Returns the number of bytes read. */ | |||
222 | ||||
223 | static int | |||
224 | process_extended_line_op (unsigned char *data, int is_stmt) | |||
225 | { | |||
226 | unsigned char op_code; | |||
227 | unsigned int bytes_read; | |||
228 | unsigned int len; | |||
229 | unsigned char *name; | |||
230 | unsigned long adr; | |||
231 | ||||
232 | len = read_leb128 (data, & bytes_read, 0); | |||
233 | data += bytes_read; | |||
234 | ||||
235 | if (len == 0) | |||
236 | { | |||
237 | warn (_("badly formed extended line op encountered!\n")("badly formed extended line op encountered!\n")); | |||
238 | return bytes_read; | |||
239 | } | |||
240 | ||||
241 | len += bytes_read; | |||
242 | op_code = *data++; | |||
243 | ||||
244 | printf (_(" Extended opcode %d: ")(" Extended opcode %d: "), op_code); | |||
245 | ||||
246 | switch (op_code) | |||
247 | { | |||
248 | case DW_LNE_end_sequence: | |||
249 | printf (_("End of Sequence\n\n")("End of Sequence\n\n")); | |||
250 | reset_state_machine (is_stmt); | |||
251 | break; | |||
252 | ||||
253 | case DW_LNE_set_address: | |||
254 | adr = byte_get (data, len - bytes_read - 1); | |||
255 | printf (_("set Address to 0x%lx\n")("set Address to 0x%lx\n"), adr); | |||
256 | state_machine_regs.address = adr; | |||
257 | break; | |||
258 | ||||
259 | case DW_LNE_define_file: | |||
260 | printf (_(" define new File Table entry\n")(" define new File Table entry\n")); | |||
261 | printf (_(" Entry\tDir\tTime\tSize\tName\n")(" Entry\tDir\tTime\tSize\tName\n")); | |||
262 | ||||
263 | printf (_(" %d\t")(" %d\t"), ++state_machine_regs.last_file_entry); | |||
264 | name = data; | |||
265 | data += strlen ((char *) data) + 1; | |||
266 | printf (_("%lu\t")("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |||
267 | data += bytes_read; | |||
268 | printf (_("%lu\t")("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |||
269 | data += bytes_read; | |||
270 | printf (_("%lu\t")("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |||
271 | printf (_("%s\n\n")("%s\n\n"), name); | |||
272 | break; | |||
273 | ||||
274 | default: | |||
275 | printf (_("UNKNOWN: length %d\n")("UNKNOWN: length %d\n"), len - bytes_read); | |||
276 | break; | |||
277 | } | |||
278 | ||||
279 | return len; | |||
280 | } | |||
281 | ||||
282 | static const char * | |||
283 | fetch_indirect_string (unsigned long offset) | |||
284 | { | |||
285 | struct dwarf_section *section = &debug_displays [str].section; | |||
286 | ||||
287 | if (section->start == NULL((void*)0)) | |||
288 | return _("<no .debug_str section>")("<no .debug_str section>"); | |||
289 | ||||
290 | /* DWARF sections under Mach-O have non-zero addresses. */ | |||
291 | offset -= section->address; | |||
292 | if (offset > section->size) | |||
293 | { | |||
294 | warn (_("DW_FORM_strp offset too big: %lx\n")("DW_FORM_strp offset too big: %lx\n"), offset); | |||
295 | return _("<offset is too big>")("<offset is too big>"); | |||
296 | } | |||
297 | ||||
298 | return (const char *) section->start + offset; | |||
299 | } | |||
300 | ||||
301 | /* FIXME: There are better and more efficient ways to handle | |||
302 | these structures. For now though, I just want something that | |||
303 | is simple to implement. */ | |||
304 | typedef struct abbrev_attr | |||
305 | { | |||
306 | unsigned long attribute; | |||
307 | unsigned long form; | |||
308 | struct abbrev_attr *next; | |||
309 | } | |||
310 | abbrev_attr; | |||
311 | ||||
312 | typedef struct abbrev_entry | |||
313 | { | |||
314 | unsigned long entry; | |||
315 | unsigned long tag; | |||
316 | int children; | |||
317 | struct abbrev_attr *first_attr; | |||
318 | struct abbrev_attr *last_attr; | |||
319 | struct abbrev_entry *next; | |||
320 | } | |||
321 | abbrev_entry; | |||
322 | ||||
323 | static abbrev_entry *first_abbrev = NULL((void*)0); | |||
324 | static abbrev_entry *last_abbrev = NULL((void*)0); | |||
325 | ||||
326 | static void | |||
327 | free_abbrevs (void) | |||
328 | { | |||
329 | abbrev_entry *abbrev; | |||
330 | ||||
331 | for (abbrev = first_abbrev; abbrev;) | |||
332 | { | |||
333 | abbrev_entry *next = abbrev->next; | |||
334 | abbrev_attr *attr; | |||
335 | ||||
336 | for (attr = abbrev->first_attr; attr;) | |||
337 | { | |||
338 | abbrev_attr *next = attr->next; | |||
339 | ||||
340 | free (attr); | |||
341 | attr = next; | |||
342 | } | |||
343 | ||||
344 | free (abbrev); | |||
345 | abbrev = next; | |||
346 | } | |||
347 | ||||
348 | last_abbrev = first_abbrev = NULL((void*)0); | |||
349 | } | |||
350 | ||||
351 | static void | |||
352 | add_abbrev (unsigned long number, unsigned long tag, int children) | |||
353 | { | |||
354 | abbrev_entry *entry; | |||
355 | ||||
356 | entry = malloc (sizeof (*entry)); | |||
357 | ||||
358 | if (entry == NULL((void*)0)) | |||
359 | /* ugg */ | |||
360 | return; | |||
361 | ||||
362 | entry->entry = number; | |||
363 | entry->tag = tag; | |||
364 | entry->children = children; | |||
365 | entry->first_attr = NULL((void*)0); | |||
366 | entry->last_attr = NULL((void*)0); | |||
367 | entry->next = NULL((void*)0); | |||
368 | ||||
369 | if (first_abbrev == NULL((void*)0)) | |||
370 | first_abbrev = entry; | |||
371 | else | |||
372 | last_abbrev->next = entry; | |||
373 | ||||
374 | last_abbrev = entry; | |||
375 | } | |||
376 | ||||
377 | static void | |||
378 | add_abbrev_attr (unsigned long attribute, unsigned long form) | |||
379 | { | |||
380 | abbrev_attr *attr; | |||
381 | ||||
382 | attr = malloc (sizeof (*attr)); | |||
383 | ||||
384 | if (attr == NULL((void*)0)) | |||
385 | /* ugg */ | |||
386 | return; | |||
387 | ||||
388 | attr->attribute = attribute; | |||
389 | attr->form = form; | |||
390 | attr->next = NULL((void*)0); | |||
391 | ||||
392 | if (last_abbrev->first_attr == NULL((void*)0)) | |||
393 | last_abbrev->first_attr = attr; | |||
394 | else | |||
395 | last_abbrev->last_attr->next = attr; | |||
396 | ||||
397 | last_abbrev->last_attr = attr; | |||
398 | } | |||
399 | ||||
400 | /* Processes the (partial) contents of a .debug_abbrev section. | |||
401 | Returns NULL if the end of the section was encountered. | |||
402 | Returns the address after the last byte read if the end of | |||
403 | an abbreviation set was found. */ | |||
404 | ||||
405 | static unsigned char * | |||
406 | process_abbrev_section (unsigned char *start, unsigned char *end) | |||
407 | { | |||
408 | if (first_abbrev != NULL((void*)0)) | |||
409 | return NULL((void*)0); | |||
410 | ||||
411 | while (start < end) | |||
412 | { | |||
413 | unsigned int bytes_read; | |||
414 | unsigned long entry; | |||
415 | unsigned long tag; | |||
416 | unsigned long attribute; | |||
417 | int children; | |||
418 | ||||
419 | entry = read_leb128 (start, & bytes_read, 0); | |||
420 | start += bytes_read; | |||
421 | ||||
422 | /* A single zero is supposed to end the section according | |||
423 | to the standard. If there's more, then signal that to | |||
424 | the caller. */ | |||
425 | if (entry == 0) | |||
426 | return start == end ? NULL((void*)0) : start; | |||
427 | ||||
428 | tag = read_leb128 (start, & bytes_read, 0); | |||
429 | start += bytes_read; | |||
430 | ||||
431 | children = *start++; | |||
432 | ||||
433 | add_abbrev (entry, tag, children); | |||
434 | ||||
435 | do | |||
436 | { | |||
437 | unsigned long form; | |||
438 | ||||
439 | attribute = read_leb128 (start, & bytes_read, 0); | |||
440 | start += bytes_read; | |||
441 | ||||
442 | form = read_leb128 (start, & bytes_read, 0); | |||
443 | start += bytes_read; | |||
444 | ||||
445 | if (attribute != 0) | |||
446 | add_abbrev_attr (attribute, form); | |||
447 | } | |||
448 | while (attribute != 0); | |||
449 | } | |||
450 | ||||
451 | return NULL((void*)0); | |||
452 | } | |||
453 | ||||
454 | static char * | |||
455 | get_TAG_name (unsigned long tag) | |||
456 | { | |||
457 | switch (tag) | |||
458 | { | |||
459 | case DW_TAG_padding: return "DW_TAG_padding"; | |||
460 | case DW_TAG_array_type: return "DW_TAG_array_type"; | |||
461 | case DW_TAG_class_type: return "DW_TAG_class_type"; | |||
462 | case DW_TAG_entry_point: return "DW_TAG_entry_point"; | |||
463 | case DW_TAG_enumeration_type: return "DW_TAG_enumeration_type"; | |||
464 | case DW_TAG_formal_parameter: return "DW_TAG_formal_parameter"; | |||
465 | case DW_TAG_imported_declaration: return "DW_TAG_imported_declaration"; | |||
466 | case DW_TAG_label: return "DW_TAG_label"; | |||
467 | case DW_TAG_lexical_block: return "DW_TAG_lexical_block"; | |||
468 | case DW_TAG_member: return "DW_TAG_member"; | |||
469 | case DW_TAG_pointer_type: return "DW_TAG_pointer_type"; | |||
470 | case DW_TAG_reference_type: return "DW_TAG_reference_type"; | |||
471 | case DW_TAG_compile_unit: return "DW_TAG_compile_unit"; | |||
472 | case DW_TAG_string_type: return "DW_TAG_string_type"; | |||
473 | case DW_TAG_structure_type: return "DW_TAG_structure_type"; | |||
474 | case DW_TAG_subroutine_type: return "DW_TAG_subroutine_type"; | |||
475 | case DW_TAG_typedef: return "DW_TAG_typedef"; | |||
476 | case DW_TAG_union_type: return "DW_TAG_union_type"; | |||
477 | case DW_TAG_unspecified_parameters: return "DW_TAG_unspecified_parameters"; | |||
478 | case DW_TAG_variant: return "DW_TAG_variant"; | |||
479 | case DW_TAG_common_block: return "DW_TAG_common_block"; | |||
480 | case DW_TAG_common_inclusion: return "DW_TAG_common_inclusion"; | |||
481 | case DW_TAG_inheritance: return "DW_TAG_inheritance"; | |||
482 | case DW_TAG_inlined_subroutine: return "DW_TAG_inlined_subroutine"; | |||
483 | case DW_TAG_module: return "DW_TAG_module"; | |||
484 | case DW_TAG_ptr_to_member_type: return "DW_TAG_ptr_to_member_type"; | |||
485 | case DW_TAG_set_type: return "DW_TAG_set_type"; | |||
486 | case DW_TAG_subrange_type: return "DW_TAG_subrange_type"; | |||
487 | case DW_TAG_with_stmt: return "DW_TAG_with_stmt"; | |||
488 | case DW_TAG_access_declaration: return "DW_TAG_access_declaration"; | |||
489 | case DW_TAG_base_type: return "DW_TAG_base_type"; | |||
490 | case DW_TAG_catch_block: return "DW_TAG_catch_block"; | |||
491 | case DW_TAG_const_type: return "DW_TAG_const_type"; | |||
492 | case DW_TAG_constant: return "DW_TAG_constant"; | |||
493 | case DW_TAG_enumerator: return "DW_TAG_enumerator"; | |||
494 | case DW_TAG_file_type: return "DW_TAG_file_type"; | |||
495 | case DW_TAG_friend: return "DW_TAG_friend"; | |||
496 | case DW_TAG_namelist: return "DW_TAG_namelist"; | |||
497 | case DW_TAG_namelist_item: return "DW_TAG_namelist_item"; | |||
498 | case DW_TAG_packed_type: return "DW_TAG_packed_type"; | |||
499 | case DW_TAG_subprogram: return "DW_TAG_subprogram"; | |||
500 | case DW_TAG_template_type_param: return "DW_TAG_template_type_param"; | |||
501 | case DW_TAG_template_value_param: return "DW_TAG_template_value_param"; | |||
502 | case DW_TAG_thrown_type: return "DW_TAG_thrown_type"; | |||
503 | case DW_TAG_try_block: return "DW_TAG_try_block"; | |||
504 | case DW_TAG_variant_part: return "DW_TAG_variant_part"; | |||
505 | case DW_TAG_variable: return "DW_TAG_variable"; | |||
506 | case DW_TAG_volatile_type: return "DW_TAG_volatile_type"; | |||
507 | case DW_TAG_MIPS_loop: return "DW_TAG_MIPS_loop"; | |||
508 | case DW_TAG_format_label: return "DW_TAG_format_label"; | |||
509 | case DW_TAG_function_template: return "DW_TAG_function_template"; | |||
510 | case DW_TAG_class_template: return "DW_TAG_class_template"; | |||
511 | /* DWARF 2.1 values. */ | |||
512 | case DW_TAG_dwarf_procedure: return "DW_TAG_dwarf_procedure"; | |||
513 | case DW_TAG_restrict_type: return "DW_TAG_restrict_type"; | |||
514 | case DW_TAG_interface_type: return "DW_TAG_interface_type"; | |||
515 | case DW_TAG_namespace: return "DW_TAG_namespace"; | |||
516 | case DW_TAG_imported_module: return "DW_TAG_imported_module"; | |||
517 | case DW_TAG_unspecified_type: return "DW_TAG_unspecified_type"; | |||
518 | case DW_TAG_partial_unit: return "DW_TAG_partial_unit"; | |||
519 | case DW_TAG_imported_unit: return "DW_TAG_imported_unit"; | |||
520 | /* UPC values. */ | |||
521 | case DW_TAG_upc_shared_type: return "DW_TAG_upc_shared_type"; | |||
522 | case DW_TAG_upc_strict_type: return "DW_TAG_upc_strict_type"; | |||
523 | case DW_TAG_upc_relaxed_type: return "DW_TAG_upc_relaxed_type"; | |||
524 | default: | |||
525 | { | |||
526 | static char buffer[100]; | |||
527 | ||||
528 | snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %lx")("Unknown TAG value: %lx"), tag); | |||
529 | return buffer; | |||
530 | } | |||
531 | } | |||
532 | } | |||
533 | ||||
534 | static char * | |||
535 | get_FORM_name (unsigned long form) | |||
536 | { | |||
537 | switch (form) | |||
538 | { | |||
539 | case DW_FORM_addr: return "DW_FORM_addr"; | |||
540 | case DW_FORM_block2: return "DW_FORM_block2"; | |||
541 | case DW_FORM_block4: return "DW_FORM_block4"; | |||
542 | case DW_FORM_data2: return "DW_FORM_data2"; | |||
543 | case DW_FORM_data4: return "DW_FORM_data4"; | |||
544 | case DW_FORM_data8: return "DW_FORM_data8"; | |||
545 | case DW_FORM_string: return "DW_FORM_string"; | |||
546 | case DW_FORM_block: return "DW_FORM_block"; | |||
547 | case DW_FORM_block1: return "DW_FORM_block1"; | |||
548 | case DW_FORM_data1: return "DW_FORM_data1"; | |||
549 | case DW_FORM_flag: return "DW_FORM_flag"; | |||
550 | case DW_FORM_sdata: return "DW_FORM_sdata"; | |||
551 | case DW_FORM_strp: return "DW_FORM_strp"; | |||
552 | case DW_FORM_udata: return "DW_FORM_udata"; | |||
553 | case DW_FORM_ref_addr: return "DW_FORM_ref_addr"; | |||
554 | case DW_FORM_ref1: return "DW_FORM_ref1"; | |||
555 | case DW_FORM_ref2: return "DW_FORM_ref2"; | |||
556 | case DW_FORM_ref4: return "DW_FORM_ref4"; | |||
557 | case DW_FORM_ref8: return "DW_FORM_ref8"; | |||
558 | case DW_FORM_ref_udata: return "DW_FORM_ref_udata"; | |||
559 | case DW_FORM_indirect: return "DW_FORM_indirect"; | |||
560 | default: | |||
561 | { | |||
562 | static char buffer[100]; | |||
563 | ||||
564 | snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx")("Unknown FORM value: %lx"), form); | |||
565 | return buffer; | |||
566 | } | |||
567 | } | |||
568 | } | |||
569 | ||||
570 | static unsigned char * | |||
571 | display_block (unsigned char *data, unsigned long length) | |||
572 | { | |||
573 | printf (_(" %lu byte block: ")(" %lu byte block: "), length); | |||
574 | ||||
575 | while (length --) | |||
576 | printf ("%lx ", (unsigned long) byte_get (data++, 1)); | |||
577 | ||||
578 | return data; | |||
579 | } | |||
580 | ||||
581 | static int | |||
582 | decode_location_expression (unsigned char * data, | |||
583 | unsigned int pointer_size, | |||
584 | unsigned long length, | |||
585 | unsigned long cu_offset) | |||
586 | { | |||
587 | unsigned op; | |||
588 | unsigned int bytes_read; | |||
589 | unsigned long uvalue; | |||
590 | unsigned char *end = data + length; | |||
591 | int need_frame_base = 0; | |||
592 | ||||
593 | while (data < end) | |||
594 | { | |||
595 | op = *data++; | |||
596 | ||||
597 | switch (op) | |||
598 | { | |||
599 | case DW_OP_addr: | |||
600 | printf ("DW_OP_addr: %lx", | |||
601 | (unsigned long) byte_get (data, pointer_size)); | |||
602 | data += pointer_size; | |||
603 | break; | |||
604 | case DW_OP_deref: | |||
605 | printf ("DW_OP_deref"); | |||
606 | break; | |||
607 | case DW_OP_const1u: | |||
608 | printf ("DW_OP_const1u: %lu", (unsigned long) byte_get (data++, 1)); | |||
609 | break; | |||
610 | case DW_OP_const1s: | |||
611 | printf ("DW_OP_const1s: %ld", (long) byte_get_signed (data++, 1)); | |||
612 | break; | |||
613 | case DW_OP_const2u: | |||
614 | printf ("DW_OP_const2u: %lu", (unsigned long) byte_get (data, 2)); | |||
615 | data += 2; | |||
616 | break; | |||
617 | case DW_OP_const2s: | |||
618 | printf ("DW_OP_const2s: %ld", (long) byte_get_signed (data, 2)); | |||
619 | data += 2; | |||
620 | break; | |||
621 | case DW_OP_const4u: | |||
622 | printf ("DW_OP_const4u: %lu", (unsigned long) byte_get (data, 4)); | |||
623 | data += 4; | |||
624 | break; | |||
625 | case DW_OP_const4s: | |||
626 | printf ("DW_OP_const4s: %ld", (long) byte_get_signed (data, 4)); | |||
627 | data += 4; | |||
628 | break; | |||
629 | case DW_OP_const8u: | |||
630 | printf ("DW_OP_const8u: %lu %lu", (unsigned long) byte_get (data, 4), | |||
631 | (unsigned long) byte_get (data + 4, 4)); | |||
632 | data += 8; | |||
633 | break; | |||
634 | case DW_OP_const8s: | |||
635 | printf ("DW_OP_const8s: %ld %ld", (long) byte_get (data, 4), | |||
636 | (long) byte_get (data + 4, 4)); | |||
637 | data += 8; | |||
638 | break; | |||
639 | case DW_OP_constu: | |||
640 | printf ("DW_OP_constu: %lu", read_leb128 (data, &bytes_read, 0)); | |||
641 | data += bytes_read; | |||
642 | break; | |||
643 | case DW_OP_consts: | |||
644 | printf ("DW_OP_consts: %ld", read_leb128 (data, &bytes_read, 1)); | |||
645 | data += bytes_read; | |||
646 | break; | |||
647 | case DW_OP_dup: | |||
648 | printf ("DW_OP_dup"); | |||
649 | break; | |||
650 | case DW_OP_drop: | |||
651 | printf ("DW_OP_drop"); | |||
652 | break; | |||
653 | case DW_OP_over: | |||
654 | printf ("DW_OP_over"); | |||
655 | break; | |||
656 | case DW_OP_pick: | |||
657 | printf ("DW_OP_pick: %ld", (unsigned long) byte_get (data++, 1)); | |||
658 | break; | |||
659 | case DW_OP_swap: | |||
660 | printf ("DW_OP_swap"); | |||
661 | break; | |||
662 | case DW_OP_rot: | |||
663 | printf ("DW_OP_rot"); | |||
664 | break; | |||
665 | case DW_OP_xderef: | |||
666 | printf ("DW_OP_xderef"); | |||
667 | break; | |||
668 | case DW_OP_abs: | |||
669 | printf ("DW_OP_abs"); | |||
670 | break; | |||
671 | case DW_OP_and: | |||
672 | printf ("DW_OP_and"); | |||
673 | break; | |||
674 | case DW_OP_div: | |||
675 | printf ("DW_OP_div"); | |||
676 | break; | |||
677 | case DW_OP_minus: | |||
678 | printf ("DW_OP_minus"); | |||
679 | break; | |||
680 | case DW_OP_mod: | |||
681 | printf ("DW_OP_mod"); | |||
682 | break; | |||
683 | case DW_OP_mul: | |||
684 | printf ("DW_OP_mul"); | |||
685 | break; | |||
686 | case DW_OP_neg: | |||
687 | printf ("DW_OP_neg"); | |||
688 | break; | |||
689 | case DW_OP_not: | |||
690 | printf ("DW_OP_not"); | |||
691 | break; | |||
692 | case DW_OP_or: | |||
693 | printf ("DW_OP_or"); | |||
694 | break; | |||
695 | case DW_OP_plus: | |||
696 | printf ("DW_OP_plus"); | |||
697 | break; | |||
698 | case DW_OP_plus_uconst: | |||
699 | printf ("DW_OP_plus_uconst: %lu", | |||
700 | read_leb128 (data, &bytes_read, 0)); | |||
701 | data += bytes_read; | |||
702 | break; | |||
703 | case DW_OP_shl: | |||
704 | printf ("DW_OP_shl"); | |||
705 | break; | |||
706 | case DW_OP_shr: | |||
707 | printf ("DW_OP_shr"); | |||
708 | break; | |||
709 | case DW_OP_shra: | |||
710 | printf ("DW_OP_shra"); | |||
711 | break; | |||
712 | case DW_OP_xor: | |||
713 | printf ("DW_OP_xor"); | |||
714 | break; | |||
715 | case DW_OP_bra: | |||
716 | printf ("DW_OP_bra: %ld", (long) byte_get_signed (data, 2)); | |||
717 | data += 2; | |||
718 | break; | |||
719 | case DW_OP_eq: | |||
720 | printf ("DW_OP_eq"); | |||
721 | break; | |||
722 | case DW_OP_ge: | |||
723 | printf ("DW_OP_ge"); | |||
724 | break; | |||
725 | case DW_OP_gt: | |||
726 | printf ("DW_OP_gt"); | |||
727 | break; | |||
728 | case DW_OP_le: | |||
729 | printf ("DW_OP_le"); | |||
730 | break; | |||
731 | case DW_OP_lt: | |||
732 | printf ("DW_OP_lt"); | |||
733 | break; | |||
734 | case DW_OP_ne: | |||
735 | printf ("DW_OP_ne"); | |||
736 | break; | |||
737 | case DW_OP_skip: | |||
738 | printf ("DW_OP_skip: %ld", (long) byte_get_signed (data, 2)); | |||
739 | data += 2; | |||
740 | break; | |||
741 | ||||
742 | case DW_OP_lit0: | |||
743 | case DW_OP_lit1: | |||
744 | case DW_OP_lit2: | |||
745 | case DW_OP_lit3: | |||
746 | case DW_OP_lit4: | |||
747 | case DW_OP_lit5: | |||
748 | case DW_OP_lit6: | |||
749 | case DW_OP_lit7: | |||
750 | case DW_OP_lit8: | |||
751 | case DW_OP_lit9: | |||
752 | case DW_OP_lit10: | |||
753 | case DW_OP_lit11: | |||
754 | case DW_OP_lit12: | |||
755 | case DW_OP_lit13: | |||
756 | case DW_OP_lit14: | |||
757 | case DW_OP_lit15: | |||
758 | case DW_OP_lit16: | |||
759 | case DW_OP_lit17: | |||
760 | case DW_OP_lit18: | |||
761 | case DW_OP_lit19: | |||
762 | case DW_OP_lit20: | |||
763 | case DW_OP_lit21: | |||
764 | case DW_OP_lit22: | |||
765 | case DW_OP_lit23: | |||
766 | case DW_OP_lit24: | |||
767 | case DW_OP_lit25: | |||
768 | case DW_OP_lit26: | |||
769 | case DW_OP_lit27: | |||
770 | case DW_OP_lit28: | |||
771 | case DW_OP_lit29: | |||
772 | case DW_OP_lit30: | |||
773 | case DW_OP_lit31: | |||
774 | printf ("DW_OP_lit%d", op - DW_OP_lit0); | |||
775 | break; | |||
776 | ||||
777 | case DW_OP_reg0: | |||
778 | case DW_OP_reg1: | |||
779 | case DW_OP_reg2: | |||
780 | case DW_OP_reg3: | |||
781 | case DW_OP_reg4: | |||
782 | case DW_OP_reg5: | |||
783 | case DW_OP_reg6: | |||
784 | case DW_OP_reg7: | |||
785 | case DW_OP_reg8: | |||
786 | case DW_OP_reg9: | |||
787 | case DW_OP_reg10: | |||
788 | case DW_OP_reg11: | |||
789 | case DW_OP_reg12: | |||
790 | case DW_OP_reg13: | |||
791 | case DW_OP_reg14: | |||
792 | case DW_OP_reg15: | |||
793 | case DW_OP_reg16: | |||
794 | case DW_OP_reg17: | |||
795 | case DW_OP_reg18: | |||
796 | case DW_OP_reg19: | |||
797 | case DW_OP_reg20: | |||
798 | case DW_OP_reg21: | |||
799 | case DW_OP_reg22: | |||
800 | case DW_OP_reg23: | |||
801 | case DW_OP_reg24: | |||
802 | case DW_OP_reg25: | |||
803 | case DW_OP_reg26: | |||
804 | case DW_OP_reg27: | |||
805 | case DW_OP_reg28: | |||
806 | case DW_OP_reg29: | |||
807 | case DW_OP_reg30: | |||
808 | case DW_OP_reg31: | |||
809 | printf ("DW_OP_reg%d", op - DW_OP_reg0); | |||
810 | break; | |||
811 | ||||
812 | case DW_OP_breg0: | |||
813 | case DW_OP_breg1: | |||
814 | case DW_OP_breg2: | |||
815 | case DW_OP_breg3: | |||
816 | case DW_OP_breg4: | |||
817 | case DW_OP_breg5: | |||
818 | case DW_OP_breg6: | |||
819 | case DW_OP_breg7: | |||
820 | case DW_OP_breg8: | |||
821 | case DW_OP_breg9: | |||
822 | case DW_OP_breg10: | |||
823 | case DW_OP_breg11: | |||
824 | case DW_OP_breg12: | |||
825 | case DW_OP_breg13: | |||
826 | case DW_OP_breg14: | |||
827 | case DW_OP_breg15: | |||
828 | case DW_OP_breg16: | |||
829 | case DW_OP_breg17: | |||
830 | case DW_OP_breg18: | |||
831 | case DW_OP_breg19: | |||
832 | case DW_OP_breg20: | |||
833 | case DW_OP_breg21: | |||
834 | case DW_OP_breg22: | |||
835 | case DW_OP_breg23: | |||
836 | case DW_OP_breg24: | |||
837 | case DW_OP_breg25: | |||
838 | case DW_OP_breg26: | |||
839 | case DW_OP_breg27: | |||
840 | case DW_OP_breg28: | |||
841 | case DW_OP_breg29: | |||
842 | case DW_OP_breg30: | |||
843 | case DW_OP_breg31: | |||
844 | printf ("DW_OP_breg%d: %ld", op - DW_OP_breg0, | |||
845 | read_leb128 (data, &bytes_read, 1)); | |||
846 | data += bytes_read; | |||
847 | break; | |||
848 | ||||
849 | case DW_OP_regx: | |||
850 | printf ("DW_OP_regx: %lu", read_leb128 (data, &bytes_read, 0)); | |||
851 | data += bytes_read; | |||
852 | break; | |||
853 | case DW_OP_fbreg: | |||
854 | need_frame_base = 1; | |||
855 | printf ("DW_OP_fbreg: %ld", read_leb128 (data, &bytes_read, 1)); | |||
856 | data += bytes_read; | |||
857 | break; | |||
858 | case DW_OP_bregx: | |||
859 | uvalue = read_leb128 (data, &bytes_read, 0); | |||
860 | data += bytes_read; | |||
861 | printf ("DW_OP_bregx: %lu %ld", uvalue, | |||
862 | read_leb128 (data, &bytes_read, 1)); | |||
863 | data += bytes_read; | |||
864 | break; | |||
865 | case DW_OP_piece: | |||
866 | printf ("DW_OP_piece: %lu", read_leb128 (data, &bytes_read, 0)); | |||
867 | data += bytes_read; | |||
868 | break; | |||
869 | case DW_OP_deref_size: | |||
870 | printf ("DW_OP_deref_size: %ld", (long) byte_get (data++, 1)); | |||
871 | break; | |||
872 | case DW_OP_xderef_size: | |||
873 | printf ("DW_OP_xderef_size: %ld", (long) byte_get (data++, 1)); | |||
874 | break; | |||
875 | case DW_OP_nop: | |||
876 | printf ("DW_OP_nop"); | |||
877 | break; | |||
878 | ||||
879 | /* DWARF 3 extensions. */ | |||
880 | case DW_OP_push_object_address: | |||
881 | printf ("DW_OP_push_object_address"); | |||
882 | break; | |||
883 | case DW_OP_call2: | |||
884 | /* XXX: Strictly speaking for 64-bit DWARF3 files | |||
885 | this ought to be an 8-byte wide computation. */ | |||
886 | printf ("DW_OP_call2: <%lx>", (long) byte_get (data, 2) + cu_offset); | |||
887 | data += 2; | |||
888 | break; | |||
889 | case DW_OP_call4: | |||
890 | /* XXX: Strictly speaking for 64-bit DWARF3 files | |||
891 | this ought to be an 8-byte wide computation. */ | |||
892 | printf ("DW_OP_call4: <%lx>", (long) byte_get (data, 4) + cu_offset); | |||
893 | data += 4; | |||
894 | break; | |||
895 | case DW_OP_call_ref: | |||
896 | printf ("DW_OP_call_ref"); | |||
897 | break; | |||
898 | ||||
899 | /* GNU extensions. */ | |||
900 | case DW_OP_GNU_push_tls_address: | |||
901 | printf ("DW_OP_GNU_push_tls_address"); | |||
902 | break; | |||
903 | ||||
904 | default: | |||
905 | if (op >= DW_OP_lo_user0xe0 | |||
906 | && op <= DW_OP_hi_user0xff) | |||
907 | printf (_("(User defined location op)")("(User defined location op)")); | |||
908 | else | |||
909 | printf (_("(Unknown location op)")("(Unknown location op)")); | |||
910 | /* No way to tell where the next op is, so just bail. */ | |||
911 | return need_frame_base; | |||
912 | } | |||
913 | ||||
914 | /* Separate the ops. */ | |||
915 | if (data < end) | |||
916 | printf ("; "); | |||
917 | } | |||
918 | ||||
919 | return need_frame_base; | |||
920 | } | |||
921 | ||||
922 | static unsigned char * | |||
923 | read_and_display_attr_value (unsigned long attribute, | |||
924 | unsigned long form, | |||
925 | unsigned char *data, | |||
926 | unsigned long cu_offset, | |||
927 | unsigned long pointer_size, | |||
928 | unsigned long offset_size, | |||
929 | int dwarf_version, | |||
930 | debug_info *debug_info_p, | |||
931 | int do_loc) | |||
932 | { | |||
933 | unsigned long uvalue = 0; | |||
934 | unsigned char *block_start = NULL((void*)0); | |||
935 | unsigned int bytes_read; | |||
936 | ||||
937 | switch (form) | |||
938 | { | |||
939 | default: | |||
940 | break; | |||
941 | ||||
942 | case DW_FORM_ref_addr: | |||
943 | if (dwarf_version == 2) | |||
944 | { | |||
945 | uvalue = byte_get (data, pointer_size); | |||
946 | data += pointer_size; | |||
947 | } | |||
948 | else if (dwarf_version == 3) | |||
949 | { | |||
950 | uvalue = byte_get (data, offset_size); | |||
951 | data += offset_size; | |||
952 | } | |||
953 | else | |||
954 | { | |||
955 | error (_("Internal error: DWARF version is not 2 or 3.\n")("Internal error: DWARF version is not 2 or 3.\n")); | |||
956 | } | |||
957 | break; | |||
958 | ||||
959 | case DW_FORM_addr: | |||
960 | uvalue = byte_get (data, pointer_size); | |||
961 | data += pointer_size; | |||
962 | break; | |||
963 | ||||
964 | case DW_FORM_strp: | |||
965 | uvalue = byte_get (data, offset_size); | |||
966 | data += offset_size; | |||
967 | break; | |||
968 | ||||
969 | case DW_FORM_ref1: | |||
970 | case DW_FORM_flag: | |||
971 | case DW_FORM_data1: | |||
972 | uvalue = byte_get (data++, 1); | |||
973 | break; | |||
974 | ||||
975 | case DW_FORM_ref2: | |||
976 | case DW_FORM_data2: | |||
977 | uvalue = byte_get (data, 2); | |||
978 | data += 2; | |||
979 | break; | |||
980 | ||||
981 | case DW_FORM_ref4: | |||
982 | case DW_FORM_data4: | |||
983 | uvalue = byte_get (data, 4); | |||
984 | data += 4; | |||
985 | break; | |||
986 | ||||
987 | case DW_FORM_sdata: | |||
988 | uvalue = read_leb128 (data, & bytes_read, 1); | |||
989 | data += bytes_read; | |||
990 | break; | |||
991 | ||||
992 | case DW_FORM_ref_udata: | |||
993 | case DW_FORM_udata: | |||
994 | uvalue = read_leb128 (data, & bytes_read, 0); | |||
995 | data += bytes_read; | |||
996 | break; | |||
997 | ||||
998 | case DW_FORM_indirect: | |||
999 | form = read_leb128 (data, & bytes_read, 0); | |||
1000 | data += bytes_read; | |||
1001 | if (!do_loc) | |||
1002 | printf (" %s", get_FORM_name (form)); | |||
1003 | return read_and_display_attr_value (attribute, form, data, | |||
1004 | cu_offset, pointer_size, | |||
1005 | offset_size, dwarf_version, | |||
1006 | debug_info_p, do_loc); | |||
1007 | } | |||
1008 | ||||
1009 | switch (form) | |||
1010 | { | |||
1011 | case DW_FORM_ref_addr: | |||
1012 | if (!do_loc) | |||
1013 | printf (" <#%lx>", uvalue); | |||
1014 | break; | |||
1015 | ||||
1016 | case DW_FORM_ref1: | |||
1017 | case DW_FORM_ref2: | |||
1018 | case DW_FORM_ref4: | |||
1019 | case DW_FORM_ref_udata: | |||
1020 | if (!do_loc) | |||
1021 | printf (" <%lx>", uvalue + cu_offset); | |||
1022 | break; | |||
1023 | ||||
1024 | case DW_FORM_data4: | |||
1025 | case DW_FORM_addr: | |||
1026 | if (!do_loc) | |||
1027 | printf (" %#lx", uvalue); | |||
1028 | break; | |||
1029 | ||||
1030 | case DW_FORM_flag: | |||
1031 | case DW_FORM_data1: | |||
1032 | case DW_FORM_data2: | |||
1033 | case DW_FORM_sdata: | |||
1034 | case DW_FORM_udata: | |||
1035 | if (!do_loc) | |||
1036 | printf (" %ld", uvalue); | |||
1037 | break; | |||
1038 | ||||
1039 | case DW_FORM_ref8: | |||
1040 | case DW_FORM_data8: | |||
1041 | if (!do_loc) | |||
1042 | { | |||
1043 | uvalue = byte_get (data, 4); | |||
1044 | printf (" %lx", uvalue); | |||
1045 | printf (" %lx", (unsigned long) byte_get (data + 4, 4)); | |||
1046 | } | |||
1047 | if ((do_loc || do_debug_loc || do_debug_ranges) | |||
1048 | && num_debug_info_entries == 0) | |||
1049 | { | |||
1050 | if (sizeof (uvalue) == 8) | |||
1051 | uvalue = byte_get (data, 8); | |||
1052 | else | |||
1053 | error (_("DW_FORM_data8 is unsupported when sizeof (unsigned long) != 8\n")("DW_FORM_data8 is unsupported when sizeof (unsigned long) != 8\n" )); | |||
1054 | } | |||
1055 | data += 8; | |||
1056 | break; | |||
1057 | ||||
1058 | case DW_FORM_string: | |||
1059 | if (!do_loc) | |||
1060 | printf (" %s", data); | |||
1061 | data += strlen ((char *) data) + 1; | |||
1062 | break; | |||
1063 | ||||
1064 | case DW_FORM_block: | |||
1065 | uvalue = read_leb128 (data, & bytes_read, 0); | |||
1066 | block_start = data + bytes_read; | |||
1067 | if (do_loc) | |||
1068 | data = block_start + uvalue; | |||
1069 | else | |||
1070 | data = display_block (block_start, uvalue); | |||
1071 | break; | |||
1072 | ||||
1073 | case DW_FORM_block1: | |||
1074 | uvalue = byte_get (data, 1); | |||
1075 | block_start = data + 1; | |||
1076 | if (do_loc) | |||
1077 | data = block_start + uvalue; | |||
1078 | else | |||
1079 | data = display_block (block_start, uvalue); | |||
1080 | break; | |||
1081 | ||||
1082 | case DW_FORM_block2: | |||
1083 | uvalue = byte_get (data, 2); | |||
1084 | block_start = data + 2; | |||
1085 | if (do_loc) | |||
1086 | data = block_start + uvalue; | |||
1087 | else | |||
1088 | data = display_block (block_start, uvalue); | |||
1089 | break; | |||
1090 | ||||
1091 | case DW_FORM_block4: | |||
1092 | uvalue = byte_get (data, 4); | |||
1093 | block_start = data + 4; | |||
1094 | if (do_loc) | |||
1095 | data = block_start + uvalue; | |||
1096 | else | |||
1097 | data = display_block (block_start, uvalue); | |||
1098 | break; | |||
1099 | ||||
1100 | case DW_FORM_strp: | |||
1101 | if (!do_loc) | |||
1102 | printf (_(" (indirect string, offset: 0x%lx): %s")(" (indirect string, offset: 0x%lx): %s"), | |||
1103 | uvalue, fetch_indirect_string (uvalue)); | |||
1104 | break; | |||
1105 | ||||
1106 | case DW_FORM_indirect: | |||
1107 | /* Handled above. */ | |||
1108 | break; | |||
1109 | ||||
1110 | default: | |||
1111 | warn (_("Unrecognized form: %lu\n")("Unrecognized form: %lu\n"), form); | |||
1112 | break; | |||
1113 | } | |||
1114 | ||||
1115 | /* For some attributes we can display further information. */ | |||
1116 | if ((do_loc || do_debug_loc || do_debug_ranges) | |||
1117 | && num_debug_info_entries == 0) | |||
1118 | { | |||
1119 | switch (attribute) | |||
1120 | { | |||
1121 | case DW_AT_frame_base: | |||
1122 | have_frame_base = 1; | |||
1123 | case DW_AT_location: | |||
1124 | case DW_AT_data_member_location: | |||
1125 | case DW_AT_vtable_elem_location: | |||
1126 | case DW_AT_allocated: | |||
1127 | case DW_AT_associated: | |||
1128 | case DW_AT_data_location: | |||
1129 | case DW_AT_stride: | |||
1130 | case DW_AT_upper_bound: | |||
1131 | case DW_AT_lower_bound: | |||
1132 | if (form == DW_FORM_data4 || form == DW_FORM_data8) | |||
1133 | { | |||
1134 | /* Process location list. */ | |||
1135 | unsigned int max = debug_info_p->max_loc_offsets; | |||
1136 | unsigned int num = debug_info_p->num_loc_offsets; | |||
1137 | ||||
1138 | if (max == 0 || num >= max) | |||
1139 | { | |||
1140 | max += 1024; | |||
1141 | debug_info_p->loc_offsets | |||
1142 | = xcrealloc (debug_info_p->loc_offsets, | |||
1143 | max, sizeof (*debug_info_p->loc_offsets)); | |||
1144 | debug_info_p->have_frame_base | |||
1145 | = xcrealloc (debug_info_p->have_frame_base, | |||
1146 | max, sizeof (*debug_info_p->have_frame_base)); | |||
1147 | debug_info_p->max_loc_offsets = max; | |||
1148 | } | |||
1149 | debug_info_p->loc_offsets [num] = uvalue; | |||
1150 | debug_info_p->have_frame_base [num] = have_frame_base; | |||
1151 | debug_info_p->num_loc_offsets++; | |||
1152 | } | |||
1153 | break; | |||
1154 | ||||
1155 | case DW_AT_low_pc: | |||
1156 | if (need_base_address) | |||
1157 | debug_info_p->base_address = uvalue; | |||
1158 | break; | |||
1159 | ||||
1160 | case DW_AT_ranges: | |||
1161 | if (form == DW_FORM_data4 || form == DW_FORM_data8) | |||
1162 | { | |||
1163 | /* Process range list. */ | |||
1164 | unsigned int max = debug_info_p->max_range_lists; | |||
1165 | unsigned int num = debug_info_p->num_range_lists; | |||
1166 | ||||
1167 | if (max == 0 || num >= max) | |||
1168 | { | |||
1169 | max += 1024; | |||
1170 | debug_info_p->range_lists | |||
1171 | = xcrealloc (debug_info_p->range_lists, | |||
1172 | max, sizeof (*debug_info_p->range_lists)); | |||
1173 | debug_info_p->max_range_lists = max; | |||
1174 | } | |||
1175 | debug_info_p->range_lists [num] = uvalue; | |||
1176 | debug_info_p->num_range_lists++; | |||
1177 | } | |||
1178 | break; | |||
1179 | ||||
1180 | default: | |||
1181 | break; | |||
1182 | } | |||
1183 | } | |||
1184 | ||||
1185 | if (do_loc) | |||
1186 | return data; | |||
1187 | ||||
1188 | printf ("\t"); | |||
1189 | ||||
1190 | switch (attribute) | |||
1191 | { | |||
1192 | case DW_AT_inline: | |||
1193 | switch (uvalue) | |||
1194 | { | |||
1195 | case DW_INL_not_inlined: | |||
1196 | printf (_("(not inlined)")("(not inlined)")); | |||
1197 | break; | |||
1198 | case DW_INL_inlined: | |||
1199 | printf (_("(inlined)")("(inlined)")); | |||
1200 | break; | |||
1201 | case DW_INL_declared_not_inlined: | |||
1202 | printf (_("(declared as inline but ignored)")("(declared as inline but ignored)")); | |||
1203 | break; | |||
1204 | case DW_INL_declared_inlined: | |||
1205 | printf (_("(declared as inline and inlined)")("(declared as inline and inlined)")); | |||
1206 | break; | |||
1207 | default: | |||
1208 | printf (_(" (Unknown inline attribute value: %lx)")(" (Unknown inline attribute value: %lx)"), uvalue); | |||
1209 | break; | |||
1210 | } | |||
1211 | break; | |||
1212 | ||||
1213 | case DW_AT_language: | |||
1214 | switch (uvalue) | |||
1215 | { | |||
1216 | case DW_LANG_C: printf ("(non-ANSI C)"); break; | |||
1217 | case DW_LANG_C89: printf ("(ANSI C)"); break; | |||
1218 | case DW_LANG_C_plus_plus: printf ("(C++)"); break; | |||
1219 | case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break; | |||
1220 | case DW_LANG_Fortran90: printf ("(Fortran 90)"); break; | |||
1221 | case DW_LANG_Modula2: printf ("(Modula 2)"); break; | |||
1222 | case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break; | |||
1223 | case DW_LANG_Ada83: printf ("(Ada)"); break; | |||
1224 | case DW_LANG_Cobol74: printf ("(Cobol 74)"); break; | |||
1225 | case DW_LANG_Cobol85: printf ("(Cobol 85)"); break; | |||
1226 | /* DWARF 2.1 values. */ | |||
1227 | case DW_LANG_C99: printf ("(ANSI C99)"); break; | |||
1228 | case DW_LANG_Ada95: printf ("(ADA 95)"); break; | |||
1229 | case DW_LANG_Fortran95: printf ("(Fortran 95)"); break; | |||
1230 | /* MIPS extension. */ | |||
1231 | case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break; | |||
1232 | /* UPC extension. */ | |||
1233 | case DW_LANG_Upc: printf ("(Unified Parallel C)"); break; | |||
1234 | default: | |||
1235 | printf ("(Unknown: %lx)", uvalue); | |||
1236 | break; | |||
1237 | } | |||
1238 | break; | |||
1239 | ||||
1240 | case DW_AT_encoding: | |||
1241 | switch (uvalue) | |||
1242 | { | |||
1243 | case DW_ATE_void: printf ("(void)"); break; | |||
1244 | case DW_ATE_address: printf ("(machine address)"); break; | |||
1245 | case DW_ATE_boolean: printf ("(boolean)"); break; | |||
1246 | case DW_ATE_complex_float: printf ("(complex float)"); break; | |||
1247 | case DW_ATE_float: printf ("(float)"); break; | |||
1248 | case DW_ATE_signed: printf ("(signed)"); break; | |||
1249 | case DW_ATE_signed_char: printf ("(signed char)"); break; | |||
1250 | case DW_ATE_unsigned: printf ("(unsigned)"); break; | |||
1251 | case DW_ATE_unsigned_char: printf ("(unsigned char)"); break; | |||
1252 | /* DWARF 2.1 value. */ | |||
1253 | case DW_ATE_imaginary_float: printf ("(imaginary float)"); break; | |||
1254 | case DW_ATE_decimal_float: printf ("(decimal float)"); break; | |||
1255 | default: | |||
1256 | if (uvalue >= DW_ATE_lo_user0x80 | |||
1257 | && uvalue <= DW_ATE_hi_user0xff) | |||
1258 | printf ("(user defined type)"); | |||
1259 | else | |||
1260 | printf ("(unknown type)"); | |||
1261 | break; | |||
1262 | } | |||
1263 | break; | |||
1264 | ||||
1265 | case DW_AT_accessibility: | |||
1266 | switch (uvalue) | |||
1267 | { | |||
1268 | case DW_ACCESS_public: printf ("(public)"); break; | |||
1269 | case DW_ACCESS_protected: printf ("(protected)"); break; | |||
1270 | case DW_ACCESS_private: printf ("(private)"); break; | |||
1271 | default: | |||
1272 | printf ("(unknown accessibility)"); | |||
1273 | break; | |||
1274 | } | |||
1275 | break; | |||
1276 | ||||
1277 | case DW_AT_visibility: | |||
1278 | switch (uvalue) | |||
1279 | { | |||
1280 | case DW_VIS_local: printf ("(local)"); break; | |||
1281 | case DW_VIS_exported: printf ("(exported)"); break; | |||
1282 | case DW_VIS_qualified: printf ("(qualified)"); break; | |||
1283 | default: printf ("(unknown visibility)"); break; | |||
1284 | } | |||
1285 | break; | |||
1286 | ||||
1287 | case DW_AT_virtuality: | |||
1288 | switch (uvalue) | |||
1289 | { | |||
1290 | case DW_VIRTUALITY_none: printf ("(none)"); break; | |||
1291 | case DW_VIRTUALITY_virtual: printf ("(virtual)"); break; | |||
1292 | case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break; | |||
1293 | default: printf ("(unknown virtuality)"); break; | |||
1294 | } | |||
1295 | break; | |||
1296 | ||||
1297 | case DW_AT_identifier_case: | |||
1298 | switch (uvalue) | |||
1299 | { | |||
1300 | case DW_ID_case_sensitive: printf ("(case_sensitive)"); break; | |||
1301 | case DW_ID_up_case: printf ("(up_case)"); break; | |||
1302 | case DW_ID_down_case: printf ("(down_case)"); break; | |||
1303 | case DW_ID_case_insensitive: printf ("(case_insensitive)"); break; | |||
1304 | default: printf ("(unknown case)"); break; | |||
1305 | } | |||
1306 | break; | |||
1307 | ||||
1308 | case DW_AT_calling_convention: | |||
1309 | switch (uvalue) | |||
1310 | { | |||
1311 | case DW_CC_normal: printf ("(normal)"); break; | |||
1312 | case DW_CC_program: printf ("(program)"); break; | |||
1313 | case DW_CC_nocall: printf ("(nocall)"); break; | |||
1314 | default: | |||
1315 | if (uvalue >= DW_CC_lo_user0x40 | |||
1316 | && uvalue <= DW_CC_hi_user0xff) | |||
1317 | printf ("(user defined)"); | |||
1318 | else | |||
1319 | printf ("(unknown convention)"); | |||
1320 | } | |||
1321 | break; | |||
1322 | ||||
1323 | case DW_AT_ordering: | |||
1324 | switch (uvalue) | |||
1325 | { | |||
1326 | case -1: printf ("(undefined)"); break; | |||
1327 | case 0: printf ("(row major)"); break; | |||
1328 | case 1: printf ("(column major)"); break; | |||
1329 | } | |||
1330 | break; | |||
1331 | ||||
1332 | case DW_AT_frame_base: | |||
1333 | have_frame_base = 1; | |||
1334 | case DW_AT_location: | |||
1335 | case DW_AT_data_member_location: | |||
1336 | case DW_AT_vtable_elem_location: | |||
1337 | case DW_AT_allocated: | |||
1338 | case DW_AT_associated: | |||
1339 | case DW_AT_data_location: | |||
1340 | case DW_AT_stride: | |||
1341 | case DW_AT_upper_bound: | |||
1342 | case DW_AT_lower_bound: | |||
1343 | if (block_start) | |||
1344 | { | |||
1345 | int need_frame_base; | |||
1346 | ||||
1347 | printf ("("); | |||
1348 | need_frame_base = decode_location_expression (block_start, | |||
1349 | pointer_size, | |||
1350 | uvalue, | |||
1351 | cu_offset); | |||
1352 | printf (")"); | |||
1353 | if (need_frame_base && !have_frame_base) | |||
1354 | printf (_(" [without DW_AT_frame_base]")(" [without DW_AT_frame_base]")); | |||
1355 | } | |||
1356 | else if (form == DW_FORM_data4 || form == DW_FORM_data8) | |||
1357 | printf (_("(location list)")("(location list)")); | |||
1358 | ||||
1359 | break; | |||
1360 | ||||
1361 | default: | |||
1362 | break; | |||
1363 | } | |||
1364 | ||||
1365 | return data; | |||
1366 | } | |||
1367 | ||||
1368 | static char * | |||
1369 | get_AT_name (unsigned long attribute) | |||
1370 | { | |||
1371 | switch (attribute) | |||
1372 | { | |||
1373 | case DW_AT_sibling: return "DW_AT_sibling"; | |||
1374 | case DW_AT_location: return "DW_AT_location"; | |||
1375 | case DW_AT_name: return "DW_AT_name"; | |||
1376 | case DW_AT_ordering: return "DW_AT_ordering"; | |||
1377 | case DW_AT_subscr_data: return "DW_AT_subscr_data"; | |||
1378 | case DW_AT_byte_size: return "DW_AT_byte_size"; | |||
1379 | case DW_AT_bit_offset: return "DW_AT_bit_offset"; | |||
1380 | case DW_AT_bit_size: return "DW_AT_bit_size"; | |||
1381 | case DW_AT_element_list: return "DW_AT_element_list"; | |||
1382 | case DW_AT_stmt_list: return "DW_AT_stmt_list"; | |||
1383 | case DW_AT_low_pc: return "DW_AT_low_pc"; | |||
1384 | case DW_AT_high_pc: return "DW_AT_high_pc"; | |||
1385 | case DW_AT_language: return "DW_AT_language"; | |||
1386 | case DW_AT_member: return "DW_AT_member"; | |||
1387 | case DW_AT_discr: return "DW_AT_discr"; | |||
1388 | case DW_AT_discr_value: return "DW_AT_discr_value"; | |||
1389 | case DW_AT_visibility: return "DW_AT_visibility"; | |||
1390 | case DW_AT_import: return "DW_AT_import"; | |||
1391 | case DW_AT_string_length: return "DW_AT_string_length"; | |||
1392 | case DW_AT_common_reference: return "DW_AT_common_reference"; | |||
1393 | case DW_AT_comp_dir: return "DW_AT_comp_dir"; | |||
1394 | case DW_AT_const_value: return "DW_AT_const_value"; | |||
1395 | case DW_AT_containing_type: return "DW_AT_containing_type"; | |||
1396 | case DW_AT_default_value: return "DW_AT_default_value"; | |||
1397 | case DW_AT_inline: return "DW_AT_inline"; | |||
1398 | case DW_AT_is_optional: return "DW_AT_is_optional"; | |||
1399 | case DW_AT_lower_bound: return "DW_AT_lower_bound"; | |||
1400 | case DW_AT_producer: return "DW_AT_producer"; | |||
1401 | case DW_AT_prototyped: return "DW_AT_prototyped"; | |||
1402 | case DW_AT_return_addr: return "DW_AT_return_addr"; | |||
1403 | case DW_AT_start_scope: return "DW_AT_start_scope"; | |||
1404 | case DW_AT_stride_size: return "DW_AT_stride_size"; | |||
1405 | case DW_AT_upper_bound: return "DW_AT_upper_bound"; | |||
1406 | case DW_AT_abstract_origin: return "DW_AT_abstract_origin"; | |||
1407 | case DW_AT_accessibility: return "DW_AT_accessibility"; | |||
1408 | case DW_AT_address_class: return "DW_AT_address_class"; | |||
1409 | case DW_AT_artificial: return "DW_AT_artificial"; | |||
1410 | case DW_AT_base_types: return "DW_AT_base_types"; | |||
1411 | case DW_AT_calling_convention: return "DW_AT_calling_convention"; | |||
1412 | case DW_AT_count: return "DW_AT_count"; | |||
1413 | case DW_AT_data_member_location: return "DW_AT_data_member_location"; | |||
1414 | case DW_AT_decl_column: return "DW_AT_decl_column"; | |||
1415 | case DW_AT_decl_file: return "DW_AT_decl_file"; | |||
1416 | case DW_AT_decl_line: return "DW_AT_decl_line"; | |||
1417 | case DW_AT_declaration: return "DW_AT_declaration"; | |||
1418 | case DW_AT_discr_list: return "DW_AT_discr_list"; | |||
1419 | case DW_AT_encoding: return "DW_AT_encoding"; | |||
1420 | case DW_AT_external: return "DW_AT_external"; | |||
1421 | case DW_AT_frame_base: return "DW_AT_frame_base"; | |||
1422 | case DW_AT_friend: return "DW_AT_friend"; | |||
1423 | case DW_AT_identifier_case: return "DW_AT_identifier_case"; | |||
1424 | case DW_AT_macro_info: return "DW_AT_macro_info"; | |||
1425 | case DW_AT_namelist_items: return "DW_AT_namelist_items"; | |||
1426 | case DW_AT_priority: return "DW_AT_priority"; | |||
1427 | case DW_AT_segment: return "DW_AT_segment"; | |||
1428 | case DW_AT_specification: return "DW_AT_specification"; | |||
1429 | case DW_AT_static_link: return "DW_AT_static_link"; | |||
1430 | case DW_AT_type: return "DW_AT_type"; | |||
1431 | case DW_AT_use_location: return "DW_AT_use_location"; | |||
1432 | case DW_AT_variable_parameter: return "DW_AT_variable_parameter"; | |||
1433 | case DW_AT_virtuality: return "DW_AT_virtuality"; | |||
1434 | case DW_AT_vtable_elem_location: return "DW_AT_vtable_elem_location"; | |||
1435 | /* DWARF 2.1 values. */ | |||
1436 | case DW_AT_allocated: return "DW_AT_allocated"; | |||
1437 | case DW_AT_associated: return "DW_AT_associated"; | |||
1438 | case DW_AT_data_location: return "DW_AT_data_location"; | |||
1439 | case DW_AT_stride: return "DW_AT_stride"; | |||
1440 | case DW_AT_entry_pc: return "DW_AT_entry_pc"; | |||
1441 | case DW_AT_use_UTF8: return "DW_AT_use_UTF8"; | |||
1442 | case DW_AT_extension: return "DW_AT_extension"; | |||
1443 | case DW_AT_ranges: return "DW_AT_ranges"; | |||
1444 | case DW_AT_trampoline: return "DW_AT_trampoline"; | |||
1445 | case DW_AT_call_column: return "DW_AT_call_column"; | |||
1446 | case DW_AT_call_file: return "DW_AT_call_file"; | |||
1447 | case DW_AT_call_line: return "DW_AT_call_line"; | |||
1448 | /* SGI/MIPS extensions. */ | |||
1449 | case DW_AT_MIPS_fde: return "DW_AT_MIPS_fde"; | |||
1450 | case DW_AT_MIPS_loop_begin: return "DW_AT_MIPS_loop_begin"; | |||
1451 | case DW_AT_MIPS_tail_loop_begin: return "DW_AT_MIPS_tail_loop_begin"; | |||
1452 | case DW_AT_MIPS_epilog_begin: return "DW_AT_MIPS_epilog_begin"; | |||
1453 | case DW_AT_MIPS_loop_unroll_factor: return "DW_AT_MIPS_loop_unroll_factor"; | |||
1454 | case DW_AT_MIPS_software_pipeline_depth: | |||
1455 | return "DW_AT_MIPS_software_pipeline_depth"; | |||
1456 | case DW_AT_MIPS_linkage_name: return "DW_AT_MIPS_linkage_name"; | |||
1457 | case DW_AT_MIPS_stride: return "DW_AT_MIPS_stride"; | |||
1458 | case DW_AT_MIPS_abstract_name: return "DW_AT_MIPS_abstract_name"; | |||
1459 | case DW_AT_MIPS_clone_origin: return "DW_AT_MIPS_clone_origin"; | |||
1460 | case DW_AT_MIPS_has_inlines: return "DW_AT_MIPS_has_inlines"; | |||
1461 | /* GNU extensions. */ | |||
1462 | case DW_AT_sf_names: return "DW_AT_sf_names"; | |||
1463 | case DW_AT_src_info: return "DW_AT_src_info"; | |||
1464 | case DW_AT_mac_info: return "DW_AT_mac_info"; | |||
1465 | case DW_AT_src_coords: return "DW_AT_src_coords"; | |||
1466 | case DW_AT_body_begin: return "DW_AT_body_begin"; | |||
1467 | case DW_AT_body_end: return "DW_AT_body_end"; | |||
1468 | case DW_AT_GNU_vector: return "DW_AT_GNU_vector"; | |||
1469 | /* UPC extension. */ | |||
1470 | case DW_AT_upc_threads_scaled: return "DW_AT_upc_threads_scaled"; | |||
1471 | default: | |||
1472 | { | |||
1473 | static char buffer[100]; | |||
1474 | ||||
1475 | snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx")("Unknown AT value: %lx"), | |||
1476 | attribute); | |||
1477 | return buffer; | |||
1478 | } | |||
1479 | } | |||
1480 | } | |||
1481 | ||||
1482 | static unsigned char * | |||
1483 | read_and_display_attr (unsigned long attribute, | |||
1484 | unsigned long form, | |||
1485 | unsigned char *data, | |||
1486 | unsigned long cu_offset, | |||
1487 | unsigned long pointer_size, | |||
1488 | unsigned long offset_size, | |||
1489 | int dwarf_version, | |||
1490 | debug_info *debug_info_p, | |||
1491 | int do_loc) | |||
1492 | { | |||
1493 | if (!do_loc) | |||
1494 | printf (" %-18s:", get_AT_name (attribute)); | |||
1495 | data = read_and_display_attr_value (attribute, form, data, cu_offset, | |||
1496 | pointer_size, offset_size, | |||
1497 | dwarf_version, debug_info_p, | |||
1498 | do_loc); | |||
1499 | if (!do_loc) | |||
1500 | printf ("\n"); | |||
1501 | return data; | |||
1502 | } | |||
1503 | ||||
1504 | ||||
1505 | /* Process the contents of a .debug_info section. If do_loc is non-zero | |||
1506 | then we are scanning for location lists and we do not want to display | |||
1507 | anything to the user. */ | |||
1508 | ||||
1509 | static int | |||
1510 | process_debug_info (struct dwarf_section *section, void *file, | |||
1511 | int do_loc) | |||
1512 | { | |||
1513 | unsigned char *start = section->start; | |||
1514 | unsigned char *end = start + section->size; | |||
1515 | unsigned char *section_begin; | |||
1516 | unsigned int unit; | |||
1517 | unsigned int num_units = 0; | |||
1518 | ||||
1519 | if ((do_loc || do_debug_loc || do_debug_ranges) | |||
1520 | && num_debug_info_entries == 0) | |||
1521 | { | |||
1522 | unsigned long length; | |||
1523 | ||||
1524 | /* First scan the section to get the number of comp units. */ | |||
1525 | for (section_begin = start, num_units = 0; section_begin < end; | |||
1526 | num_units ++) | |||
1527 | { | |||
1528 | /* Read the first 4 bytes. For a 32-bit DWARF section, this | |||
1529 | will be the length. For a 64-bit DWARF section, it'll be | |||
1530 | the escape code 0xffffffff followed by an 8 byte length. */ | |||
1531 | length = byte_get (section_begin, 4); | |||
1532 | ||||
1533 | if (length == 0xffffffff) | |||
1534 | { | |||
1535 | length = byte_get (section_begin + 4, 8); | |||
1536 | section_begin += length + 12; | |||
1537 | } | |||
1538 | else | |||
1539 | section_begin += length + 4; | |||
1540 | } | |||
1541 | ||||
1542 | if (num_units == 0) | |||
1543 | { | |||
1544 | error (_("No comp units in %s section ?")("No comp units in %s section ?"), section->name); | |||
1545 | return 0; | |||
1546 | } | |||
1547 | ||||
1548 | /* Then allocate an array to hold the information. */ | |||
1549 | debug_information = cmalloc (num_units, | |||
1550 | sizeof (* debug_information)); | |||
1551 | if (debug_information == NULL((void*)0)) | |||
1552 | { | |||
1553 | error (_("Not enough memory for a debug info array of %u entries")("Not enough memory for a debug info array of %u entries"), | |||
1554 | num_units); | |||
1555 | return 0; | |||
1556 | } | |||
1557 | } | |||
1558 | ||||
1559 | if (!do_loc) | |||
1560 | { | |||
1561 | printf (_("The section %s contains:\n\n")("The section %s contains:\n\n"), section->name); | |||
1562 | ||||
1563 | load_debug_section (str, file); | |||
1564 | } | |||
1565 | ||||
1566 | load_debug_section (abbrev, file); | |||
1567 | if (debug_displays [abbrev].section.start == NULL((void*)0)) | |||
1568 | { | |||
1569 | warn (_("Unable to locate %s section!\n")("Unable to locate %s section!\n"), | |||
1570 | debug_displays [abbrev].section.name); | |||
1571 | return 0; | |||
1572 | } | |||
1573 | ||||
1574 | for (section_begin = start, unit = 0; start < end; unit++) | |||
1575 | { | |||
1576 | DWARF2_Internal_CompUnit compunit; | |||
1577 | unsigned char *hdrptr; | |||
1578 | unsigned char *cu_abbrev_offset_ptr; | |||
1579 | unsigned char *tags; | |||
1580 | int level; | |||
1581 | unsigned long cu_offset; | |||
1582 | int offset_size; | |||
1583 | int initial_length_size; | |||
1584 | ||||
1585 | hdrptr = start; | |||
1586 | ||||
1587 | compunit.cu_length = byte_get (hdrptr, 4); | |||
1588 | hdrptr += 4; | |||
1589 | ||||
1590 | if (compunit.cu_length == 0xffffffff) | |||
1591 | { | |||
1592 | compunit.cu_length = byte_get (hdrptr, 8); | |||
1593 | hdrptr += 8; | |||
1594 | offset_size = 8; | |||
1595 | initial_length_size = 12; | |||
1596 | } | |||
1597 | else | |||
1598 | { | |||
1599 | offset_size = 4; | |||
1600 | initial_length_size = 4; | |||
1601 | } | |||
1602 | ||||
1603 | compunit.cu_version = byte_get (hdrptr, 2); | |||
1604 | hdrptr += 2; | |||
1605 | ||||
1606 | cu_offset = start - section_begin; | |||
1607 | start += compunit.cu_length + initial_length_size; | |||
1608 | ||||
1609 | cu_abbrev_offset_ptr = hdrptr; | |||
1610 | compunit.cu_abbrev_offset = byte_get (hdrptr, offset_size); | |||
1611 | hdrptr += offset_size; | |||
1612 | ||||
1613 | compunit.cu_pointer_size = byte_get (hdrptr, 1); | |||
1614 | hdrptr += 1; | |||
1615 | if ((do_loc || do_debug_loc || do_debug_ranges) | |||
1616 | && num_debug_info_entries == 0) | |||
1617 | { | |||
1618 | debug_information [unit].cu_offset = cu_offset; | |||
1619 | debug_information [unit].pointer_size | |||
1620 | = compunit.cu_pointer_size; | |||
1621 | debug_information [unit].base_address = 0; | |||
1622 | debug_information [unit].loc_offsets = NULL((void*)0); | |||
1623 | debug_information [unit].have_frame_base = NULL((void*)0); | |||
1624 | debug_information [unit].max_loc_offsets = 0; | |||
1625 | debug_information [unit].num_loc_offsets = 0; | |||
1626 | debug_information [unit].range_lists = NULL((void*)0); | |||
1627 | debug_information [unit].max_range_lists= 0; | |||
1628 | debug_information [unit].num_range_lists = 0; | |||
1629 | } | |||
1630 | ||||
1631 | tags = hdrptr; | |||
1632 | ||||
1633 | if (!do_loc) | |||
1634 | { | |||
1635 | printf (_(" Compilation Unit @ offset 0x%lx:\n")(" Compilation Unit @ offset 0x%lx:\n"), cu_offset); | |||
1636 | printf (_(" Length: %ld\n")(" Length: %ld\n"), compunit.cu_length); | |||
1637 | printf (_(" Version: %d\n")(" Version: %d\n"), compunit.cu_version); | |||
1638 | printf (_(" Abbrev Offset: %ld\n")(" Abbrev Offset: %ld\n"), compunit.cu_abbrev_offset); | |||
1639 | printf (_(" Pointer Size: %d\n")(" Pointer Size: %d\n"), compunit.cu_pointer_size); | |||
1640 | } | |||
1641 | ||||
1642 | if (compunit.cu_version != 2 && compunit.cu_version != 3) | |||
1643 | { | |||
1644 | warn (_("Only version 2 and 3 DWARF debug information is currently supported.\n")("Only version 2 and 3 DWARF debug information is currently supported.\n" )); | |||
1645 | continue; | |||
1646 | } | |||
1647 | ||||
1648 | free_abbrevs (); | |||
1649 | ||||
1650 | /* Process the abbrevs used by this compilation unit. DWARF | |||
1651 | sections under Mach-O have non-zero addresses. */ | |||
1652 | process_abbrev_section | |||
1653 | ((unsigned char *) debug_displays [abbrev].section.start | |||
1654 | + compunit.cu_abbrev_offset - debug_displays [abbrev].section.address, | |||
1655 | (unsigned char *) debug_displays [abbrev].section.start | |||
1656 | + debug_displays [abbrev].section.size); | |||
1657 | ||||
1658 | level = 0; | |||
1659 | while (tags < start) | |||
1660 | { | |||
1661 | unsigned int bytes_read; | |||
1662 | unsigned long abbrev_number; | |||
1663 | abbrev_entry *entry; | |||
1664 | abbrev_attr *attr; | |||
1665 | ||||
1666 | abbrev_number = read_leb128 (tags, & bytes_read, 0); | |||
1667 | tags += bytes_read; | |||
1668 | ||||
1669 | /* A null DIE marks the end of a list of children. */ | |||
1670 | if (abbrev_number == 0) | |||
1671 | { | |||
1672 | --level; | |||
1673 | continue; | |||
1674 | } | |||
1675 | ||||
1676 | /* Scan through the abbreviation list until we reach the | |||
1677 | correct entry. */ | |||
1678 | for (entry = first_abbrev; | |||
1679 | entry && entry->entry != abbrev_number; | |||
1680 | entry = entry->next) | |||
1681 | continue; | |||
1682 | ||||
1683 | if (entry == NULL((void*)0)) | |||
1684 | { | |||
1685 | warn (_("Unable to locate entry %lu in the abbreviation table\n")("Unable to locate entry %lu in the abbreviation table\n"), | |||
1686 | abbrev_number); | |||
1687 | return 0; | |||
1688 | } | |||
1689 | ||||
1690 | if (!do_loc) | |||
1691 | printf (_(" <%d><%lx>: Abbrev Number: %lu (%s)\n")(" <%d><%lx>: Abbrev Number: %lu (%s)\n"), | |||
1692 | level, | |||
1693 | (unsigned long) (tags - section_begin | |||
1694 | - bytes_read), | |||
1695 | abbrev_number, | |||
1696 | get_TAG_name (entry->tag)); | |||
1697 | ||||
1698 | switch (entry->tag) | |||
1699 | { | |||
1700 | default: | |||
1701 | need_base_address = 0; | |||
1702 | break; | |||
1703 | case DW_TAG_compile_unit: | |||
1704 | need_base_address = 1; | |||
1705 | break; | |||
1706 | case DW_TAG_entry_point: | |||
1707 | case DW_TAG_inlined_subroutine: | |||
1708 | case DW_TAG_subprogram: | |||
1709 | need_base_address = 0; | |||
1710 | /* Assuming that there is no DW_AT_frame_base. */ | |||
1711 | have_frame_base = 0; | |||
1712 | break; | |||
1713 | } | |||
1714 | ||||
1715 | for (attr = entry->first_attr; attr; attr = attr->next) | |||
1716 | tags = read_and_display_attr (attr->attribute, | |||
1717 | attr->form, | |||
1718 | tags, cu_offset, | |||
1719 | compunit.cu_pointer_size, | |||
1720 | offset_size, | |||
1721 | compunit.cu_version, | |||
1722 | &debug_information [unit], | |||
1723 | do_loc); | |||
1724 | ||||
1725 | if (entry->children) | |||
1726 | ++level; | |||
1727 | } | |||
1728 | } | |||
1729 | ||||
1730 | /* Set num_debug_info_entries here so that it can be used to check if | |||
1731 | we need to process .debug_loc and .debug_ranges sections. */ | |||
1732 | if ((do_loc || do_debug_loc || do_debug_ranges) | |||
1733 | && num_debug_info_entries == 0) | |||
1734 | num_debug_info_entries = num_units; | |||
1735 | ||||
1736 | if (!do_loc) | |||
1737 | { | |||
1738 | printf ("\n"); | |||
1739 | } | |||
1740 | ||||
1741 | return 1; | |||
1742 | } | |||
1743 | ||||
1744 | /* Locate and scan the .debug_info section in the file and record the pointer | |||
1745 | sizes and offsets for the compilation units in it. Usually an executable | |||
1746 | will have just one pointer size, but this is not guaranteed, and so we try | |||
1747 | not to make any assumptions. Returns zero upon failure, or the number of | |||
1748 | compilation units upon success. */ | |||
1749 | ||||
1750 | static unsigned int | |||
1751 | load_debug_info (void * file) | |||
1752 | { | |||
1753 | /* Reset the last pointer size so that we can issue correct error | |||
1754 | messages if we are displaying the contents of more than one section. */ | |||
1755 | last_pointer_size = 0; | |||
1756 | warned_about_missing_comp_units = FALSE0; | |||
1757 | ||||
1758 | /* If we already have the information there is nothing else to do. */ | |||
1759 | if (num_debug_info_entries > 0) | |||
1760 | return num_debug_info_entries; | |||
1761 | ||||
1762 | if (load_debug_section (info, file) | |||
1763 | && process_debug_info (&debug_displays [info].section, file, 1)) | |||
1764 | return num_debug_info_entries; | |||
1765 | else | |||
1766 | return 0; | |||
1767 | } | |||
1768 | ||||
1769 | static int | |||
1770 | display_debug_lines (struct dwarf_section *section, void *file) | |||
1771 | { | |||
1772 | unsigned char *start = section->start; | |||
1773 | unsigned char *data = start; | |||
1774 | unsigned char *end = start + section->size; | |||
1775 | ||||
1776 | printf (_("\nDump of debug contents of section %s:\n\n")("\nDump of debug contents of section %s:\n\n"), | |||
1777 | section->name); | |||
1778 | ||||
1779 | load_debug_info (file); | |||
1780 | ||||
1781 | while (data < end) | |||
1782 | { | |||
1783 | DWARF2_Internal_LineInfo info; | |||
1784 | unsigned char *standard_opcodes; | |||
1785 | unsigned char *end_of_sequence; | |||
1786 | unsigned char *hdrptr; | |||
1787 | int initial_length_size; | |||
1788 | int offset_size; | |||
1789 | int i; | |||
1790 | ||||
1791 | hdrptr = data; | |||
1792 | ||||
1793 | /* Check the length of the block. */ | |||
1794 | info.li_length = byte_get (hdrptr, 4); | |||
1795 | hdrptr += 4; | |||
1796 | ||||
1797 | if (info.li_length == 0xffffffff) | |||
1798 | { | |||
1799 | /* This section is 64-bit DWARF 3. */ | |||
1800 | info.li_length = byte_get (hdrptr, 8); | |||
1801 | hdrptr += 8; | |||
1802 | offset_size = 8; | |||
1803 | initial_length_size = 12; | |||
1804 | } | |||
1805 | else | |||
1806 | { | |||
1807 | offset_size = 4; | |||
1808 | initial_length_size = 4; | |||
1809 | } | |||
1810 | ||||
1811 | if (info.li_length + initial_length_size > section->size) | |||
1812 | { | |||
1813 | warn | |||
1814 | (_("The line info appears to be corrupt - the section is too small\n")("The line info appears to be corrupt - the section is too small\n" )); | |||
1815 | return 0; | |||
1816 | } | |||
1817 | ||||
1818 | /* Check its version number. */ | |||
1819 | info.li_version = byte_get (hdrptr, 2); | |||
1820 | hdrptr += 2; | |||
1821 | if (info.li_version != 2 && info.li_version != 3) | |||
1822 | { | |||
1823 | warn (_("Only DWARF version 2 and 3 line info is currently supported.\n")("Only DWARF version 2 and 3 line info is currently supported.\n" )); | |||
1824 | return 0; | |||
1825 | } | |||
1826 | ||||
1827 | info.li_prologue_length = byte_get (hdrptr, offset_size); | |||
1828 | hdrptr += offset_size; | |||
1829 | info.li_min_insn_length = byte_get (hdrptr, 1); | |||
1830 | hdrptr++; | |||
1831 | info.li_default_is_stmt = byte_get (hdrptr, 1); | |||
1832 | hdrptr++; | |||
1833 | info.li_line_base = byte_get (hdrptr, 1); | |||
1834 | hdrptr++; | |||
1835 | info.li_line_range = byte_get (hdrptr, 1); | |||
1836 | hdrptr++; | |||
1837 | info.li_opcode_base = byte_get (hdrptr, 1); | |||
1838 | hdrptr++; | |||
1839 | ||||
1840 | /* Sign extend the line base field. */ | |||
1841 | info.li_line_base <<= 24; | |||
1842 | info.li_line_base >>= 24; | |||
1843 | ||||
1844 | printf (_(" Length: %ld\n")(" Length: %ld\n"), info.li_length); | |||
1845 | printf (_(" DWARF Version: %d\n")(" DWARF Version: %d\n"), info.li_version); | |||
1846 | printf (_(" Prologue Length: %d\n")(" Prologue Length: %d\n"), info.li_prologue_length); | |||
1847 | printf (_(" Minimum Instruction Length: %d\n")(" Minimum Instruction Length: %d\n"), info.li_min_insn_length); | |||
1848 | printf (_(" Initial value of 'is_stmt': %d\n")(" Initial value of 'is_stmt': %d\n"), info.li_default_is_stmt); | |||
1849 | printf (_(" Line Base: %d\n")(" Line Base: %d\n"), info.li_line_base); | |||
1850 | printf (_(" Line Range: %d\n")(" Line Range: %d\n"), info.li_line_range); | |||
1851 | printf (_(" Opcode Base: %d\n")(" Opcode Base: %d\n"), info.li_opcode_base); | |||
1852 | ||||
1853 | end_of_sequence = data + info.li_length + initial_length_size; | |||
1854 | ||||
1855 | reset_state_machine (info.li_default_is_stmt); | |||
1856 | ||||
1857 | /* Display the contents of the Opcodes table. */ | |||
1858 | standard_opcodes = hdrptr; | |||
1859 | ||||
1860 | printf (_("\n Opcodes:\n")("\n Opcodes:\n")); | |||
1861 | ||||
1862 | for (i = 1; i < info.li_opcode_base; i++) | |||
1863 | printf (_(" Opcode %d has %d args\n")(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]); | |||
1864 | ||||
1865 | /* Display the contents of the Directory table. */ | |||
1866 | data = standard_opcodes + info.li_opcode_base - 1; | |||
1867 | ||||
1868 | if (*data == 0) | |||
1869 | printf (_("\n The Directory Table is empty.\n")("\n The Directory Table is empty.\n")); | |||
1870 | else | |||
1871 | { | |||
1872 | printf (_("\n The Directory Table:\n")("\n The Directory Table:\n")); | |||
1873 | ||||
1874 | while (*data != 0) | |||
1875 | { | |||
1876 | printf (_(" %s\n")(" %s\n"), data); | |||
1877 | ||||
1878 | data += strlen ((char *) data) + 1; | |||
1879 | } | |||
1880 | } | |||
1881 | ||||
1882 | /* Skip the NUL at the end of the table. */ | |||
1883 | data++; | |||
1884 | ||||
1885 | /* Display the contents of the File Name table. */ | |||
1886 | if (*data == 0) | |||
1887 | printf (_("\n The File Name Table is empty.\n")("\n The File Name Table is empty.\n")); | |||
1888 | else | |||
1889 | { | |||
1890 | printf (_("\n The File Name Table:\n")("\n The File Name Table:\n")); | |||
1891 | printf (_(" Entry\tDir\tTime\tSize\tName\n")(" Entry\tDir\tTime\tSize\tName\n")); | |||
1892 | ||||
1893 | while (*data != 0) | |||
1894 | { | |||
1895 | unsigned char *name; | |||
1896 | unsigned int bytes_read; | |||
1897 | ||||
1898 | printf (_(" %d\t")(" %d\t"), ++state_machine_regs.last_file_entry); | |||
1899 | name = data; | |||
1900 | ||||
1901 | data += strlen ((char *) data) + 1; | |||
1902 | ||||
1903 | printf (_("%lu\t")("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |||
1904 | data += bytes_read; | |||
1905 | printf (_("%lu\t")("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |||
1906 | data += bytes_read; | |||
1907 | printf (_("%lu\t")("%lu\t"), read_leb128 (data, & bytes_read, 0)); | |||
1908 | data += bytes_read; | |||
1909 | printf (_("%s\n")("%s\n"), name); | |||
1910 | } | |||
1911 | } | |||
1912 | ||||
1913 | /* Skip the NUL at the end of the table. */ | |||
1914 | data++; | |||
1915 | ||||
1916 | /* Now display the statements. */ | |||
1917 | printf (_("\n Line Number Statements:\n")("\n Line Number Statements:\n")); | |||
1918 | ||||
1919 | while (data < end_of_sequence) | |||
1920 | { | |||
1921 | unsigned char op_code; | |||
1922 | int adv; | |||
1923 | unsigned long int uladv; | |||
1924 | unsigned int bytes_read; | |||
1925 | ||||
1926 | op_code = *data++; | |||
1927 | ||||
1928 | if (op_code >= info.li_opcode_base) | |||
1929 | { | |||
1930 | op_code -= info.li_opcode_base; | |||
1931 | uladv = (op_code / info.li_line_range) * info.li_min_insn_length; | |||
1932 | state_machine_regs.address += uladv; | |||
1933 | printf (_(" Special opcode %d: advance Address by %lu to 0x%lx")(" Special opcode %d: advance Address by %lu to 0x%lx"), | |||
1934 | op_code, uladv, state_machine_regs.address); | |||
1935 | adv = (op_code % info.li_line_range) + info.li_line_base; | |||
1936 | state_machine_regs.line += adv; | |||
1937 | printf (_(" and Line by %d to %d\n")(" and Line by %d to %d\n"), | |||
1938 | adv, state_machine_regs.line); | |||
1939 | } | |||
1940 | else switch (op_code) | |||
1941 | { | |||
1942 | case DW_LNS_extended_op: | |||
1943 | data += process_extended_line_op (data, info.li_default_is_stmt); | |||
1944 | break; | |||
1945 | ||||
1946 | case DW_LNS_copy: | |||
1947 | printf (_(" Copy\n")(" Copy\n")); | |||
1948 | break; | |||
1949 | ||||
1950 | case DW_LNS_advance_pc: | |||
1951 | uladv = read_leb128 (data, & bytes_read, 0); | |||
1952 | uladv *= info.li_min_insn_length; | |||
1953 | data += bytes_read; | |||
1954 | state_machine_regs.address += uladv; | |||
1955 | printf (_(" Advance PC by %lu to 0x%lx\n")(" Advance PC by %lu to 0x%lx\n"), uladv, | |||
1956 | state_machine_regs.address); | |||
1957 | break; | |||
1958 | ||||
1959 | case DW_LNS_advance_line: | |||
1960 | adv = read_leb128 (data, & bytes_read, 1); | |||
1961 | data += bytes_read; | |||
1962 | state_machine_regs.line += adv; | |||
1963 | printf (_(" Advance Line by %d to %d\n")(" Advance Line by %d to %d\n"), adv, | |||
1964 | state_machine_regs.line); | |||
1965 | break; | |||
1966 | ||||
1967 | case DW_LNS_set_file: | |||
1968 | adv = read_leb128 (data, & bytes_read, 0); | |||
1969 | data += bytes_read; | |||
1970 | printf (_(" Set File Name to entry %d in the File Name Table\n")(" Set File Name to entry %d in the File Name Table\n"), | |||
1971 | adv); | |||
1972 | state_machine_regs.file = adv; | |||
1973 | break; | |||
1974 | ||||
1975 | case DW_LNS_set_column: | |||
1976 | uladv = read_leb128 (data, & bytes_read, 0); | |||
1977 | data += bytes_read; | |||
1978 | printf (_(" Set column to %lu\n")(" Set column to %lu\n"), uladv); | |||
1979 | state_machine_regs.column = uladv; | |||
1980 | break; | |||
1981 | ||||
1982 | case DW_LNS_negate_stmt: | |||
1983 | adv = state_machine_regs.is_stmt; | |||
1984 | adv = ! adv; | |||
1985 | printf (_(" Set is_stmt to %d\n")(" Set is_stmt to %d\n"), adv); | |||
1986 | state_machine_regs.is_stmt = adv; | |||
1987 | break; | |||
1988 | ||||
1989 | case DW_LNS_set_basic_block: | |||
1990 | printf (_(" Set basic block\n")(" Set basic block\n")); | |||
1991 | state_machine_regs.basic_block = 1; | |||
1992 | break; | |||
1993 | ||||
1994 | case DW_LNS_const_add_pc: | |||
1995 | uladv = (((255 - info.li_opcode_base) / info.li_line_range) | |||
1996 | * info.li_min_insn_length); | |||
1997 | state_machine_regs.address += uladv; | |||
1998 | printf (_(" Advance PC by constant %lu to 0x%lx\n")(" Advance PC by constant %lu to 0x%lx\n"), uladv, | |||
1999 | state_machine_regs.address); | |||
2000 | break; | |||
2001 | ||||
2002 | case DW_LNS_fixed_advance_pc: | |||
2003 | uladv = byte_get (data, 2); | |||
2004 | data += 2; | |||
2005 | state_machine_regs.address += uladv; | |||
2006 | printf (_(" Advance PC by fixed size amount %lu to 0x%lx\n")(" Advance PC by fixed size amount %lu to 0x%lx\n"), | |||
2007 | uladv, state_machine_regs.address); | |||
2008 | break; | |||
2009 | ||||
2010 | case DW_LNS_set_prologue_end: | |||
2011 | printf (_(" Set prologue_end to true\n")(" Set prologue_end to true\n")); | |||
2012 | break; | |||
2013 | ||||
2014 | case DW_LNS_set_epilogue_begin: | |||
2015 | printf (_(" Set epilogue_begin to true\n")(" Set epilogue_begin to true\n")); | |||
2016 | break; | |||
2017 | ||||
2018 | case DW_LNS_set_isa: | |||
2019 | uladv = read_leb128 (data, & bytes_read, 0); | |||
2020 | data += bytes_read; | |||
2021 | printf (_(" Set ISA to %lu\n")(" Set ISA to %lu\n"), uladv); | |||
2022 | break; | |||
2023 | ||||
2024 | default: | |||
2025 | printf (_(" Unknown opcode %d with operands: ")(" Unknown opcode %d with operands: "), op_code); | |||
2026 | ||||
2027 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |||
2028 | { | |||
2029 | printf ("0x%lx%s", read_leb128 (data, &bytes_read, 0), | |||
2030 | i == 1 ? "" : ", "); | |||
2031 | data += bytes_read; | |||
2032 | } | |||
2033 | putchar ('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
2034 | break; | |||
2035 | } | |||
2036 | } | |||
2037 | putchar ('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
2038 | } | |||
2039 | ||||
2040 | return 1; | |||
2041 | } | |||
2042 | ||||
2043 | static int | |||
2044 | display_debug_pubnames (struct dwarf_section *section, | |||
2045 | void *file ATTRIBUTE_UNUSED__attribute__ ((__unused__))) | |||
2046 | { | |||
2047 | DWARF2_Internal_PubNames pubnames; | |||
2048 | unsigned char *start = section->start; | |||
2049 | unsigned char *end = start + section->size; | |||
2050 | ||||
2051 | printf (_("Contents of the %s section:\n\n")("Contents of the %s section:\n\n"), section->name); | |||
2052 | ||||
2053 | while (start < end) | |||
2054 | { | |||
2055 | unsigned char *data; | |||
2056 | unsigned long offset; | |||
2057 | int offset_size, initial_length_size; | |||
2058 | ||||
2059 | data = start; | |||
2060 | ||||
2061 | pubnames.pn_length = byte_get (data, 4); | |||
2062 | data += 4; | |||
2063 | if (pubnames.pn_length == 0xffffffff) | |||
2064 | { | |||
2065 | pubnames.pn_length = byte_get (data, 8); | |||
2066 | data += 8; | |||
2067 | offset_size = 8; | |||
2068 | initial_length_size = 12; | |||
2069 | } | |||
2070 | else | |||
2071 | { | |||
2072 | offset_size = 4; | |||
2073 | initial_length_size = 4; | |||
2074 | } | |||
2075 | ||||
2076 | pubnames.pn_version = byte_get (data, 2); | |||
2077 | data += 2; | |||
2078 | pubnames.pn_offset = byte_get (data, offset_size); | |||
2079 | data += offset_size; | |||
2080 | pubnames.pn_size = byte_get (data, offset_size); | |||
2081 | data += offset_size; | |||
2082 | ||||
2083 | start += pubnames.pn_length + initial_length_size; | |||
2084 | ||||
2085 | if (pubnames.pn_version != 2 && pubnames.pn_version != 3) | |||
2086 | { | |||
2087 | static int warned = 0; | |||
2088 | ||||
2089 | if (! warned) | |||
2090 | { | |||
2091 | warn (_("Only DWARF 2 and 3 pubnames are currently supported\n")("Only DWARF 2 and 3 pubnames are currently supported\n")); | |||
2092 | warned = 1; | |||
2093 | } | |||
2094 | ||||
2095 | continue; | |||
2096 | } | |||
2097 | ||||
2098 | printf (_(" Length: %ld\n")(" Length: %ld\n"), | |||
2099 | pubnames.pn_length); | |||
2100 | printf (_(" Version: %d\n")(" Version: %d\n"), | |||
2101 | pubnames.pn_version); | |||
2102 | printf (_(" Offset into .debug_info section: %ld\n")(" Offset into .debug_info section: %ld\n"), | |||
2103 | pubnames.pn_offset); | |||
2104 | printf (_(" Size of area in .debug_info section: %ld\n")(" Size of area in .debug_info section: %ld\n"), | |||
2105 | pubnames.pn_size); | |||
2106 | ||||
2107 | printf (_("\n Offset\tName\n")("\n Offset\tName\n")); | |||
2108 | ||||
2109 | do | |||
2110 | { | |||
2111 | offset = byte_get (data, offset_size); | |||
2112 | ||||
2113 | if (offset != 0) | |||
2114 | { | |||
2115 | data += offset_size; | |||
2116 | printf (" %-6ld\t\t%s\n", offset, data); | |||
2117 | data += strlen ((char *) data) + 1; | |||
2118 | } | |||
2119 | } | |||
2120 | while (offset != 0); | |||
2121 | } | |||
2122 | ||||
2123 | printf ("\n"); | |||
2124 | return 1; | |||
2125 | } | |||
2126 | ||||
2127 | static int | |||
2128 | display_debug_macinfo (struct dwarf_section *section, | |||
2129 | void *file ATTRIBUTE_UNUSED__attribute__ ((__unused__))) | |||
2130 | { | |||
2131 | unsigned char *start = section->start; | |||
2132 | unsigned char *end = start + section->size; | |||
2133 | unsigned char *curr = start; | |||
2134 | unsigned int bytes_read; | |||
2135 | enum dwarf_macinfo_record_type op; | |||
2136 | ||||
2137 | printf (_("Contents of the %s section:\n\n")("Contents of the %s section:\n\n"), section->name); | |||
2138 | ||||
2139 | while (curr < end) | |||
2140 | { | |||
2141 | unsigned int lineno; | |||
2142 | const char *string; | |||
2143 | ||||
2144 | op = *curr; | |||
2145 | curr++; | |||
2146 | ||||
2147 | switch (op) | |||
2148 | { | |||
2149 | case DW_MACINFO_start_file: | |||
2150 | { | |||
2151 | unsigned int filenum; | |||
2152 | ||||
2153 | lineno = read_leb128 (curr, & bytes_read, 0); | |||
2154 | curr += bytes_read; | |||
2155 | filenum = read_leb128 (curr, & bytes_read, 0); | |||
2156 | curr += bytes_read; | |||
2157 | ||||
2158 | printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n")(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), | |||
2159 | lineno, filenum); | |||
2160 | } | |||
2161 | break; | |||
2162 | ||||
2163 | case DW_MACINFO_end_file: | |||
2164 | printf (_(" DW_MACINFO_end_file\n")(" DW_MACINFO_end_file\n")); | |||
2165 | break; | |||
2166 | ||||
2167 | case DW_MACINFO_define: | |||
2168 | lineno = read_leb128 (curr, & bytes_read, 0); | |||
2169 | curr += bytes_read; | |||
2170 | string = (char *) curr; | |||
2171 | curr += strlen (string) + 1; | |||
2172 | printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n")(" DW_MACINFO_define - lineno : %d macro : %s\n"), | |||
2173 | lineno, string); | |||
2174 | break; | |||
2175 | ||||
2176 | case DW_MACINFO_undef: | |||
2177 | lineno = read_leb128 (curr, & bytes_read, 0); | |||
2178 | curr += bytes_read; | |||
2179 | string = (char *) curr; | |||
2180 | curr += strlen (string) + 1; | |||
2181 | printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n")(" DW_MACINFO_undef - lineno : %d macro : %s\n"), | |||
2182 | lineno, string); | |||
2183 | break; | |||
2184 | ||||
2185 | case DW_MACINFO_vendor_ext: | |||
2186 | { | |||
2187 | unsigned int constant; | |||
2188 | ||||
2189 | constant = read_leb128 (curr, & bytes_read, 0); | |||
2190 | curr += bytes_read; | |||
2191 | string = (char *) curr; | |||
2192 | curr += strlen (string) + 1; | |||
2193 | printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n")(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), | |||
2194 | constant, string); | |||
2195 | } | |||
2196 | break; | |||
2197 | } | |||
2198 | } | |||
2199 | ||||
2200 | return 1; | |||
2201 | } | |||
2202 | ||||
2203 | static int | |||
2204 | display_debug_abbrev (struct dwarf_section *section, | |||
2205 | void *file ATTRIBUTE_UNUSED__attribute__ ((__unused__))) | |||
2206 | { | |||
2207 | abbrev_entry *entry; | |||
2208 | unsigned char *start = section->start; | |||
2209 | unsigned char *end = start + section->size; | |||
2210 | ||||
2211 | printf (_("Contents of the %s section:\n\n")("Contents of the %s section:\n\n"), section->name); | |||
2212 | ||||
2213 | do | |||
2214 | { | |||
2215 | free_abbrevs (); | |||
2216 | ||||
2217 | start = process_abbrev_section (start, end); | |||
2218 | ||||
2219 | if (first_abbrev == NULL((void*)0)) | |||
2220 | continue; | |||
2221 | ||||
2222 | printf (_(" Number TAG\n")(" Number TAG\n")); | |||
2223 | ||||
2224 | for (entry = first_abbrev; entry; entry = entry->next) | |||
2225 | { | |||
2226 | abbrev_attr *attr; | |||
2227 | ||||
2228 | printf (_(" %ld %s [%s]\n")(" %ld %s [%s]\n"), | |||
2229 | entry->entry, | |||
2230 | get_TAG_name (entry->tag), | |||
2231 | entry->children ? _("has children")("has children") : _("no children")("no children")); | |||
2232 | ||||
2233 | for (attr = entry->first_attr; attr; attr = attr->next) | |||
2234 | printf (_(" %-18s %s\n")(" %-18s %s\n"), | |||
2235 | get_AT_name (attr->attribute), | |||
2236 | get_FORM_name (attr->form)); | |||
2237 | } | |||
2238 | } | |||
2239 | while (start); | |||
2240 | ||||
2241 | printf ("\n"); | |||
2242 | ||||
2243 | return 1; | |||
2244 | } | |||
2245 | ||||
2246 | static int | |||
2247 | display_debug_loc (struct dwarf_section *section, void *file) | |||
2248 | { | |||
2249 | unsigned char *start = section->start; | |||
2250 | unsigned char *section_end; | |||
2251 | unsigned long bytes; | |||
2252 | unsigned char *section_begin = start; | |||
2253 | unsigned int num_loc_list = 0; | |||
2254 | unsigned long last_offset = 0; | |||
2255 | unsigned int first = 0; | |||
2256 | unsigned int i; | |||
2257 | unsigned int j; | |||
2258 | int seen_first_offset = 0; | |||
2259 | int use_debug_info = 1; | |||
2260 | unsigned char *next; | |||
2261 | ||||
2262 | bytes = section->size; | |||
2263 | section_end = start + bytes; | |||
2264 | ||||
2265 | if (bytes == 0) | |||
2266 | { | |||
2267 | printf (_("\nThe %s section is empty.\n")("\nThe %s section is empty.\n"), section->name); | |||
2268 | return 0; | |||
2269 | } | |||
2270 | ||||
2271 | load_debug_info (file); | |||
2272 | ||||
2273 | /* Check the order of location list in .debug_info section. If | |||
2274 | offsets of location lists are in the ascending order, we can | |||
2275 | use `debug_information' directly. */ | |||
2276 | for (i = 0; i < num_debug_info_entries; i++) | |||
2277 | { | |||
2278 | unsigned int num; | |||
2279 | ||||
2280 | num = debug_information [i].num_loc_offsets; | |||
2281 | num_loc_list += num; | |||
2282 | ||||
2283 | /* Check if we can use `debug_information' directly. */ | |||
2284 | if (use_debug_info && num != 0) | |||
2285 | { | |||
2286 | if (!seen_first_offset) | |||
2287 | { | |||
2288 | /* This is the first location list. */ | |||
2289 | last_offset = debug_information [i].loc_offsets [0]; | |||
2290 | first = i; | |||
2291 | seen_first_offset = 1; | |||
2292 | j = 1; | |||
2293 | } | |||
2294 | else | |||
2295 | j = 0; | |||
2296 | ||||
2297 | for (; j < num; j++) | |||
2298 | { | |||
2299 | if (last_offset > | |||
2300 | debug_information [i].loc_offsets [j]) | |||
2301 | { | |||
2302 | use_debug_info = 0; | |||
2303 | break; | |||
2304 | } | |||
2305 | last_offset = debug_information [i].loc_offsets [j]; | |||
2306 | } | |||
2307 | } | |||
2308 | } | |||
2309 | ||||
2310 | if (!use_debug_info) | |||
2311 | /* FIXME: Should we handle this case? */ | |||
2312 | error (_("Location lists in .debug_info section aren't in ascending order!\n")("Location lists in .debug_info section aren't in ascending order!\n" )); | |||
2313 | ||||
2314 | if (!seen_first_offset) | |||
2315 | error (_("No location lists in .debug_info section!\n")("No location lists in .debug_info section!\n")); | |||
2316 | ||||
2317 | /* DWARF sections under Mach-O have non-zero addresses. */ | |||
2318 | if (debug_information [first].loc_offsets [0] != section->address) | |||
2319 | warn (_("Location lists in %s section start at 0x%lx\n")("Location lists in %s section start at 0x%lx\n"), | |||
2320 | section->name, debug_information [first].loc_offsets [0]); | |||
2321 | ||||
2322 | printf (_("Contents of the %s section:\n\n")("Contents of the %s section:\n\n"), section->name); | |||
2323 | printf (_(" Offset Begin End Expression\n")(" Offset Begin End Expression\n")); | |||
2324 | ||||
2325 | seen_first_offset = 0; | |||
2326 | for (i = first; i < num_debug_info_entries; i++) | |||
2327 | { | |||
2328 | unsigned long begin; | |||
2329 | unsigned long end; | |||
2330 | unsigned short length; | |||
2331 | unsigned long offset; | |||
2332 | unsigned int pointer_size; | |||
2333 | unsigned long cu_offset; | |||
2334 | unsigned long base_address; | |||
2335 | int need_frame_base; | |||
2336 | int has_frame_base; | |||
2337 | ||||
2338 | pointer_size = debug_information [i].pointer_size; | |||
2339 | cu_offset = debug_information [i].cu_offset; | |||
2340 | ||||
2341 | for (j = 0; j < debug_information [i].num_loc_offsets; j++) | |||
2342 | { | |||
2343 | has_frame_base = debug_information [i].have_frame_base [j]; | |||
2344 | /* DWARF sections under Mach-O have non-zero addresses. */ | |||
2345 | offset = debug_information [i].loc_offsets [j] - section->address; | |||
2346 | next = section_begin + offset; | |||
2347 | base_address = debug_information [i].base_address; | |||
2348 | ||||
2349 | if (!seen_first_offset) | |||
2350 | seen_first_offset = 1; | |||
2351 | else | |||
2352 | { | |||
2353 | if (start < next) | |||
2354 | warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n")("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"), | |||
2355 | (long)(start - section_begin), (long)(next - section_begin)); | |||
2356 | else if (start > next) | |||
2357 | warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n")("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n" ), | |||
2358 | (long)(start - section_begin), (long)(next - section_begin)); | |||
2359 | } | |||
2360 | start = next; | |||
2361 | ||||
2362 | if (offset >= bytes) | |||
2363 | { | |||
2364 | warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n")("Offset 0x%lx is bigger than .debug_loc section size.\n"), | |||
2365 | offset); | |||
2366 | continue; | |||
2367 | } | |||
2368 | ||||
2369 | while (1) | |||
2370 | { | |||
2371 | if (start + 2 * pointer_size > section_end) | |||
2372 | { | |||
2373 | warn (_("Location list starting at offset 0x%lx is not terminated.\n")("Location list starting at offset 0x%lx is not terminated.\n" ), | |||
2374 | offset); | |||
2375 | break; | |||
2376 | } | |||
2377 | ||||
2378 | begin = byte_get (start, pointer_size); | |||
2379 | start += pointer_size; | |||
2380 | end = byte_get (start, pointer_size); | |||
2381 | start += pointer_size; | |||
2382 | ||||
2383 | if (begin == 0 && end == 0) | |||
2384 | { | |||
2385 | printf (_(" %8.8lx <End of list>\n")(" %8.8lx <End of list>\n"), offset); | |||
2386 | break; | |||
2387 | } | |||
2388 | ||||
2389 | /* Check base address specifiers. */ | |||
2390 | if (begin == -1UL && end != -1UL) | |||
2391 | { | |||
2392 | base_address = end; | |||
2393 | printf (_(" %8.8lx %8.8lx %8.8lx (base address)\n")(" %8.8lx %8.8lx %8.8lx (base address)\n"), | |||
2394 | offset, begin, end); | |||
2395 | continue; | |||
2396 | } | |||
2397 | ||||
2398 | if (start + 2 > section_end) | |||
2399 | { | |||
2400 | warn (_("Location list starting at offset 0x%lx is not terminated.\n")("Location list starting at offset 0x%lx is not terminated.\n" ), | |||
2401 | offset); | |||
2402 | break; | |||
2403 | } | |||
2404 | ||||
2405 | length = byte_get (start, 2); | |||
2406 | start += 2; | |||
2407 | ||||
2408 | if (start + length > section_end) | |||
2409 | { | |||
2410 | warn (_("Location list starting at offset 0x%lx is not terminated.\n")("Location list starting at offset 0x%lx is not terminated.\n" ), | |||
2411 | offset); | |||
2412 | break; | |||
2413 | } | |||
2414 | ||||
2415 | printf (" %8.8lx %8.8lx %8.8lx (", | |||
2416 | offset, begin + base_address, end + base_address); | |||
2417 | need_frame_base = decode_location_expression (start, | |||
2418 | pointer_size, | |||
2419 | length, | |||
2420 | cu_offset); | |||
2421 | putchar (')')(!__isthreaded ? __sputc(')', (&__sF[1])) : (putc)(')', ( &__sF[1]))); | |||
2422 | ||||
2423 | if (need_frame_base && !has_frame_base) | |||
2424 | printf (_(" [without DW_AT_frame_base]")(" [without DW_AT_frame_base]")); | |||
2425 | ||||
2426 | if (begin == end) | |||
2427 | fputs (_(" (start == end)")(" (start == end)"), stdout(&__sF[1])); | |||
2428 | else if (begin > end) | |||
2429 | fputs (_(" (start > end)")(" (start > end)"), stdout(&__sF[1])); | |||
2430 | ||||
2431 | putchar ('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
2432 | ||||
2433 | start += length; | |||
2434 | } | |||
2435 | } | |||
2436 | } | |||
2437 | return 1; | |||
2438 | } | |||
2439 | ||||
2440 | static int | |||
2441 | display_debug_str (struct dwarf_section *section, | |||
2442 | void *file ATTRIBUTE_UNUSED__attribute__ ((__unused__))) | |||
2443 | { | |||
2444 | unsigned char *start = section->start; | |||
2445 | unsigned long bytes = section->size; | |||
2446 | dwarf_vma addr = section->address; | |||
2447 | ||||
2448 | if (bytes == 0) | |||
2449 | { | |||
2450 | printf (_("\nThe %s section is empty.\n")("\nThe %s section is empty.\n"), section->name); | |||
2451 | return 0; | |||
2452 | } | |||
2453 | ||||
2454 | printf (_("Contents of the %s section:\n\n")("Contents of the %s section:\n\n"), section->name); | |||
2455 | ||||
2456 | while (bytes) | |||
2457 | { | |||
2458 | int j; | |||
2459 | int k; | |||
2460 | int lbytes; | |||
2461 | ||||
2462 | lbytes = (bytes > 16 ? 16 : bytes); | |||
2463 | ||||
2464 | printf (" 0x%8.8lx ", (unsigned long) addr); | |||
2465 | ||||
2466 | for (j = 0; j < 16; j++) | |||
2467 | { | |||
2468 | if (j < lbytes) | |||
2469 | printf ("%2.2x", start[j]); | |||
2470 | else | |||
2471 | printf (" "); | |||
2472 | ||||
2473 | if ((j & 3) == 3) | |||
2474 | printf (" "); | |||
2475 | } | |||
2476 | ||||
2477 | for (j = 0; j < lbytes; j++) | |||
2478 | { | |||
2479 | k = start[j]; | |||
2480 | if (k >= ' ' && k < 0x80) | |||
2481 | printf ("%c", k); | |||
2482 | else | |||
2483 | printf ("."); | |||
2484 | } | |||
2485 | ||||
2486 | putchar ('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
2487 | ||||
2488 | start += lbytes; | |||
2489 | addr += lbytes; | |||
2490 | bytes -= lbytes; | |||
2491 | } | |||
2492 | ||||
2493 | putchar ('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
2494 | ||||
2495 | return 1; | |||
2496 | } | |||
2497 | ||||
2498 | ||||
2499 | static int | |||
2500 | display_debug_info (struct dwarf_section *section, void *file) | |||
2501 | { | |||
2502 | return process_debug_info (section, file, 0); | |||
2503 | } | |||
2504 | ||||
2505 | ||||
2506 | static int | |||
2507 | display_debug_aranges (struct dwarf_section *section, | |||
2508 | void *file ATTRIBUTE_UNUSED__attribute__ ((__unused__))) | |||
2509 | { | |||
2510 | unsigned char *start = section->start; | |||
2511 | unsigned char *end = start + section->size; | |||
2512 | ||||
2513 | printf (_("The section %s contains:\n\n")("The section %s contains:\n\n"), section->name); | |||
2514 | ||||
2515 | while (start < end) | |||
2516 | { | |||
2517 | unsigned char *hdrptr; | |||
2518 | DWARF2_Internal_ARange arange; | |||
2519 | unsigned char *ranges; | |||
2520 | unsigned long length; | |||
2521 | unsigned long address; | |||
2522 | int excess; | |||
2523 | int offset_size; | |||
2524 | int initial_length_size; | |||
2525 | ||||
2526 | hdrptr = start; | |||
2527 | ||||
2528 | arange.ar_length = byte_get (hdrptr, 4); | |||
2529 | hdrptr += 4; | |||
2530 | ||||
2531 | if (arange.ar_length == 0xffffffff) | |||
2532 | { | |||
2533 | arange.ar_length = byte_get (hdrptr, 8); | |||
2534 | hdrptr += 8; | |||
2535 | offset_size = 8; | |||
2536 | initial_length_size = 12; | |||
2537 | } | |||
2538 | else | |||
2539 | { | |||
2540 | offset_size = 4; | |||
2541 | initial_length_size = 4; | |||
2542 | } | |||
2543 | ||||
2544 | arange.ar_version = byte_get (hdrptr, 2); | |||
2545 | hdrptr += 2; | |||
2546 | ||||
2547 | arange.ar_info_offset = byte_get (hdrptr, offset_size); | |||
2548 | hdrptr += offset_size; | |||
2549 | ||||
2550 | arange.ar_pointer_size = byte_get (hdrptr, 1); | |||
2551 | hdrptr += 1; | |||
2552 | ||||
2553 | arange.ar_segment_size = byte_get (hdrptr, 1); | |||
2554 | hdrptr += 1; | |||
2555 | ||||
2556 | if (arange.ar_version != 2 && arange.ar_version != 3) | |||
2557 | { | |||
2558 | warn (_("Only DWARF 2 and 3 aranges are currently supported.\n")("Only DWARF 2 and 3 aranges are currently supported.\n")); | |||
2559 | break; | |||
2560 | } | |||
2561 | ||||
2562 | printf (_(" Length: %ld\n")(" Length: %ld\n"), arange.ar_length); | |||
2563 | printf (_(" Version: %d\n")(" Version: %d\n"), arange.ar_version); | |||
2564 | printf (_(" Offset into .debug_info: %lx\n")(" Offset into .debug_info: %lx\n"), arange.ar_info_offset); | |||
2565 | printf (_(" Pointer Size: %d\n")(" Pointer Size: %d\n"), arange.ar_pointer_size); | |||
2566 | printf (_(" Segment Size: %d\n")(" Segment Size: %d\n"), arange.ar_segment_size); | |||
2567 | ||||
2568 | printf (_("\n Address Length\n")("\n Address Length\n")); | |||
2569 | ||||
2570 | ranges = hdrptr; | |||
2571 | ||||
2572 | /* Must pad to an alignment boundary that is twice the pointer size. */ | |||
2573 | excess = (hdrptr - start) % (2 * arange.ar_pointer_size); | |||
2574 | if (excess) | |||
2575 | ranges += (2 * arange.ar_pointer_size) - excess; | |||
2576 | ||||
2577 | start += arange.ar_length + initial_length_size; | |||
2578 | ||||
2579 | while (ranges + 2 * arange.ar_pointer_size <= start) | |||
2580 | { | |||
2581 | address = byte_get (ranges, arange.ar_pointer_size); | |||
2582 | ||||
2583 | ranges += arange.ar_pointer_size; | |||
2584 | ||||
2585 | length = byte_get (ranges, arange.ar_pointer_size); | |||
2586 | ||||
2587 | ranges += arange.ar_pointer_size; | |||
2588 | ||||
2589 | printf (" %8.8lx %lu\n", address, length); | |||
2590 | } | |||
2591 | } | |||
2592 | ||||
2593 | printf ("\n"); | |||
2594 | ||||
2595 | return 1; | |||
2596 | } | |||
2597 | ||||
2598 | static int | |||
2599 | display_debug_ranges (struct dwarf_section *section, | |||
2600 | void *file ATTRIBUTE_UNUSED__attribute__ ((__unused__))) | |||
2601 | { | |||
2602 | unsigned char *start = section->start; | |||
2603 | unsigned char *section_end; | |||
2604 | unsigned long bytes; | |||
2605 | unsigned char *section_begin = start; | |||
2606 | unsigned int num_range_list = 0; | |||
2607 | unsigned long last_offset = 0; | |||
2608 | unsigned int first = 0; | |||
2609 | unsigned int i; | |||
2610 | unsigned int j; | |||
2611 | int seen_first_offset = 0; | |||
2612 | int use_debug_info = 1; | |||
2613 | unsigned char *next; | |||
2614 | ||||
2615 | bytes = section->size; | |||
2616 | section_end = start + bytes; | |||
2617 | ||||
2618 | if (bytes == 0) | |||
2619 | { | |||
2620 | printf (_("\nThe %s section is empty.\n")("\nThe %s section is empty.\n"), section->name); | |||
2621 | return 0; | |||
2622 | } | |||
2623 | ||||
2624 | load_debug_info (file); | |||
2625 | ||||
2626 | /* Check the order of range list in .debug_info section. If | |||
2627 | offsets of range lists are in the ascending order, we can | |||
2628 | use `debug_information' directly. */ | |||
2629 | for (i = 0; i < num_debug_info_entries; i++) | |||
2630 | { | |||
2631 | unsigned int num; | |||
2632 | ||||
2633 | num = debug_information [i].num_range_lists; | |||
2634 | num_range_list += num; | |||
2635 | ||||
2636 | /* Check if we can use `debug_information' directly. */ | |||
2637 | if (use_debug_info && num != 0) | |||
2638 | { | |||
2639 | if (!seen_first_offset) | |||
2640 | { | |||
2641 | /* This is the first range list. */ | |||
2642 | last_offset = debug_information [i].range_lists [0]; | |||
2643 | first = i; | |||
2644 | seen_first_offset = 1; | |||
2645 | j = 1; | |||
2646 | } | |||
2647 | else | |||
2648 | j = 0; | |||
2649 | ||||
2650 | for (; j < num; j++) | |||
2651 | { | |||
2652 | if (last_offset > | |||
2653 | debug_information [i].range_lists [j]) | |||
2654 | { | |||
2655 | use_debug_info = 0; | |||
2656 | break; | |||
2657 | } | |||
2658 | last_offset = debug_information [i].range_lists [j]; | |||
2659 | } | |||
2660 | } | |||
2661 | } | |||
2662 | ||||
2663 | if (!use_debug_info) | |||
2664 | /* FIXME: Should we handle this case? */ | |||
2665 | error (_("Range lists in .debug_info section aren't in ascending order!\n")("Range lists in .debug_info section aren't in ascending order!\n" )); | |||
2666 | ||||
2667 | if (!seen_first_offset) | |||
2668 | error (_("No range lists in .debug_info section!\n")("No range lists in .debug_info section!\n")); | |||
2669 | ||||
2670 | /* DWARF sections under Mach-O have non-zero addresses. */ | |||
2671 | if (debug_information [first].range_lists [0] != section->address) | |||
2672 | warn (_("Range lists in %s section start at 0x%lx\n")("Range lists in %s section start at 0x%lx\n"), | |||
2673 | section->name, debug_information [first].range_lists [0]); | |||
2674 | ||||
2675 | printf (_("Contents of the %s section:\n\n")("Contents of the %s section:\n\n"), section->name); | |||
2676 | printf (_(" Offset Begin End\n")(" Offset Begin End\n")); | |||
2677 | ||||
2678 | seen_first_offset = 0; | |||
2679 | for (i = first; i < num_debug_info_entries; i++) | |||
2680 | { | |||
2681 | unsigned long begin; | |||
2682 | unsigned long end; | |||
2683 | unsigned long offset; | |||
2684 | unsigned int pointer_size; | |||
2685 | unsigned long base_address; | |||
2686 | ||||
2687 | pointer_size = debug_information [i].pointer_size; | |||
2688 | ||||
2689 | for (j = 0; j < debug_information [i].num_range_lists; j++) | |||
2690 | { | |||
2691 | /* DWARF sections under Mach-O have non-zero addresses. */ | |||
2692 | offset = debug_information [i].range_lists [j] - section->address; | |||
2693 | next = section_begin + offset; | |||
2694 | base_address = debug_information [i].base_address; | |||
2695 | ||||
2696 | if (!seen_first_offset) | |||
2697 | seen_first_offset = 1; | |||
2698 | else | |||
2699 | { | |||
2700 | if (start < next) | |||
2701 | warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n")("There is a hole [0x%lx - 0x%lx] in %s section.\n"), | |||
2702 | (long)(start - section_begin), | |||
2703 | (long)(next - section_begin), section->name); | |||
2704 | else if (start > next) | |||
2705 | warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n")("There is an overlap [0x%lx - 0x%lx] in %s section.\n"), | |||
2706 | (long)(start - section_begin), | |||
2707 | (long)(next - section_begin), section->name); | |||
2708 | } | |||
2709 | start = next; | |||
2710 | ||||
2711 | while (1) | |||
2712 | { | |||
2713 | begin = byte_get (start, pointer_size); | |||
2714 | start += pointer_size; | |||
2715 | end = byte_get (start, pointer_size); | |||
2716 | start += pointer_size; | |||
2717 | ||||
2718 | if (begin == 0 && end == 0) | |||
2719 | { | |||
2720 | printf (_(" %8.8lx <End of list>\n")(" %8.8lx <End of list>\n"), offset); | |||
2721 | break; | |||
2722 | } | |||
2723 | ||||
2724 | /* Check base address specifiers. */ | |||
2725 | if (begin == -1UL && end != -1UL) | |||
2726 | { | |||
2727 | base_address = end; | |||
2728 | printf (" %8.8lx %8.8lx %8.8lx (base address)\n", | |||
2729 | offset, begin, end); | |||
2730 | continue; | |||
2731 | } | |||
2732 | ||||
2733 | printf (" %8.8lx %8.8lx %8.8lx", | |||
2734 | offset, begin + base_address, end + base_address); | |||
2735 | ||||
2736 | if (begin == end) | |||
2737 | fputs (_(" (start == end)")(" (start == end)"), stdout(&__sF[1])); | |||
2738 | else if (begin > end) | |||
2739 | fputs (_(" (start > end)")(" (start > end)"), stdout(&__sF[1])); | |||
2740 | ||||
2741 | putchar ('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
2742 | } | |||
2743 | } | |||
2744 | } | |||
2745 | putchar ('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
2746 | return 1; | |||
2747 | } | |||
2748 | ||||
2749 | typedef struct Frame_Chunk | |||
2750 | { | |||
2751 | struct Frame_Chunk *next; | |||
2752 | unsigned char *chunk_start; | |||
2753 | int ncols; | |||
2754 | /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */ | |||
2755 | short int *col_type; | |||
2756 | int *col_offset; | |||
2757 | char *augmentation; | |||
2758 | unsigned int code_factor; | |||
2759 | int data_factor; | |||
2760 | unsigned long pc_begin; | |||
2761 | unsigned long pc_range; | |||
2762 | int cfa_reg; | |||
2763 | int cfa_offset; | |||
2764 | int ra; | |||
2765 | unsigned char fde_encoding; | |||
2766 | unsigned char cfa_exp; | |||
2767 | } | |||
2768 | Frame_Chunk; | |||
2769 | ||||
2770 | /* A marker for a col_type that means this column was never referenced | |||
2771 | in the frame info. */ | |||
2772 | #define DW_CFA_unreferenced(-1) (-1) | |||
2773 | /* Like DW_CFA_unreferenced, except indicating that it was referenced before | |||
2774 | (and therefore needs space in the columnar output). */ | |||
2775 | #define DW_CFA_placeholder(-2) (-2) | |||
2776 | ||||
2777 | static void | |||
2778 | frame_need_space (Frame_Chunk *fc, int reg) | |||
2779 | { | |||
2780 | int prev = fc->ncols; | |||
2781 | ||||
2782 | if (reg < fc->ncols) | |||
2783 | return; | |||
2784 | ||||
2785 | fc->ncols = reg + 1; | |||
2786 | fc->col_type = xcrealloc (fc->col_type, fc->ncols, sizeof (short int)); | |||
2787 | fc->col_offset = xcrealloc (fc->col_offset, fc->ncols, sizeof (int)); | |||
2788 | ||||
2789 | while (prev < fc->ncols) | |||
2790 | { | |||
2791 | fc->col_type[prev] = DW_CFA_unreferenced(-1); | |||
2792 | fc->col_offset[prev] = 0; | |||
2793 | prev++; | |||
2794 | } | |||
2795 | } | |||
2796 | ||||
2797 | static void | |||
2798 | frame_display_row (Frame_Chunk *fc, int *need_col_headers, int *max_regs) | |||
2799 | { | |||
2800 | int r; | |||
2801 | char tmp[100]; | |||
2802 | ||||
2803 | if (*max_regs < fc->ncols) | |||
2804 | *max_regs = fc->ncols; | |||
2805 | ||||
2806 | if (*need_col_headers) | |||
2807 | { | |||
2808 | *need_col_headers = 0; | |||
2809 | ||||
2810 | printf (" LOC CFA "); | |||
2811 | ||||
2812 | for (r = 0; r < *max_regs; r++) | |||
2813 | if (fc->col_type[r] != DW_CFA_unreferenced(-1)) | |||
2814 | { | |||
2815 | if (r == fc->ra) | |||
2816 | printf ("ra "); | |||
2817 | else | |||
2818 | printf ("r%-4d", r); | |||
2819 | } | |||
2820 | ||||
2821 | printf ("\n"); | |||
2822 | } | |||
2823 | ||||
2824 | printf ("%08lx ", fc->pc_begin); | |||
2825 | if (fc->cfa_exp) | |||
2826 | strcpy (tmp, "exp"); | |||
2827 | else | |||
2828 | sprintf (tmp, "r%d%+d", fc->cfa_reg, fc->cfa_offset); | |||
2829 | printf ("%-8s ", tmp); | |||
2830 | ||||
2831 | for (r = 0; r < fc->ncols; r++) | |||
2832 | { | |||
2833 | if (fc->col_type[r] != DW_CFA_unreferenced(-1)) | |||
2834 | { | |||
2835 | switch (fc->col_type[r]) | |||
2836 | { | |||
2837 | case DW_CFA_undefined: | |||
2838 | strcpy (tmp, "u"); | |||
2839 | break; | |||
2840 | case DW_CFA_same_value: | |||
2841 | strcpy (tmp, "s"); | |||
2842 | break; | |||
2843 | case DW_CFA_offset: | |||
2844 | sprintf (tmp, "c%+d", fc->col_offset[r]); | |||
2845 | break; | |||
2846 | case DW_CFA_val_offset: | |||
2847 | sprintf (tmp, "v%+d", fc->col_offset[r]); | |||
2848 | break; | |||
2849 | case DW_CFA_register: | |||
2850 | sprintf (tmp, "r%d", fc->col_offset[r]); | |||
2851 | break; | |||
2852 | case DW_CFA_expression: | |||
2853 | strcpy (tmp, "exp"); | |||
2854 | break; | |||
2855 | case DW_CFA_val_expression: | |||
2856 | strcpy (tmp, "vexp"); | |||
2857 | break; | |||
2858 | case DW_CFA_placeholder(-2): | |||
2859 | tmp[0] = '\0'; | |||
2860 | break; | |||
2861 | default: | |||
2862 | strcpy (tmp, "n/a"); | |||
2863 | break; | |||
2864 | } | |||
2865 | printf ("%-5s", tmp); | |||
2866 | } | |||
2867 | } | |||
2868 | printf ("\n"); | |||
2869 | } | |||
2870 | ||||
2871 | static int | |||
2872 | size_of_encoded_value (int encoding) | |||
2873 | { | |||
2874 | switch (encoding & 0x7) | |||
2875 | { | |||
2876 | default: /* ??? */ | |||
2877 | case 0: return eh_addr_size; | |||
2878 | case 2: return 2; | |||
2879 | case 3: return 4; | |||
2880 | case 4: return 8; | |||
2881 | } | |||
2882 | } | |||
2883 | ||||
2884 | static dwarf_vma | |||
2885 | get_encoded_value (unsigned char *data, int encoding) | |||
2886 | { | |||
2887 | int size = size_of_encoded_value (encoding); | |||
2888 | if (encoding & DW_EH_PE_signed0x08) | |||
2889 | return byte_get_signed (data, size); | |||
2890 | else | |||
2891 | return byte_get (data, size); | |||
2892 | } | |||
2893 | ||||
2894 | #define GET(N) byte_get (start, N); start += N | |||
2895 | #define LEB() read_leb128 (start, & length_return, 0); start += length_return | |||
2896 | #define SLEB() read_leb128 (start, & length_return, 1); start += length_return | |||
2897 | ||||
2898 | static int | |||
2899 | display_debug_frames (struct dwarf_section *section, | |||
2900 | void *file ATTRIBUTE_UNUSED__attribute__ ((__unused__))) | |||
2901 | { | |||
2902 | unsigned char *start = section->start; | |||
2903 | unsigned char *end = start + section->size; | |||
2904 | unsigned char *section_start = start; | |||
2905 | Frame_Chunk *chunks = 0; | |||
2906 | Frame_Chunk *remembered_state = 0; | |||
2907 | Frame_Chunk *rs; | |||
2908 | int is_eh = strcmp (section->name, ".eh_frame") == 0; | |||
| ||||
2909 | unsigned int length_return; | |||
2910 | int max_regs = 0; | |||
2911 | ||||
2912 | printf (_("The section %s contains:\n")("The section %s contains:\n"), section->name); | |||
2913 | ||||
2914 | while (start < end) | |||
2915 | { | |||
2916 | unsigned char *saved_start; | |||
2917 | unsigned char *block_end; | |||
2918 | unsigned long length; | |||
2919 | unsigned long cie_id; | |||
2920 | Frame_Chunk *fc; | |||
2921 | Frame_Chunk *cie; | |||
2922 | int need_col_headers = 1; | |||
2923 | unsigned char *augmentation_data = NULL((void*)0); | |||
2924 | unsigned long augmentation_data_len = 0; | |||
2925 | int encoded_ptr_size = eh_addr_size; | |||
2926 | int offset_size; | |||
2927 | int initial_length_size; | |||
2928 | ||||
2929 | saved_start = start; | |||
2930 | length = byte_get (start, 4); start += 4; | |||
2931 | ||||
2932 | if (length == 0) | |||
2933 | { | |||
2934 | printf ("\n%08lx ZERO terminator\n\n", | |||
2935 | (unsigned long)(saved_start - section_start)); | |||
2936 | return 1; | |||
2937 | } | |||
2938 | ||||
2939 | if (length == 0xffffffff) | |||
2940 | { | |||
2941 | length = byte_get (start, 8); | |||
2942 | start += 8; | |||
2943 | offset_size = 8; | |||
2944 | initial_length_size = 12; | |||
2945 | } | |||
2946 | else | |||
2947 | { | |||
2948 | offset_size = 4; | |||
2949 | initial_length_size = 4; | |||
2950 | } | |||
2951 | ||||
2952 | block_end = saved_start + length + initial_length_size; | |||
2953 | cie_id = byte_get (start, offset_size); start += offset_size; | |||
2954 | ||||
2955 | if (is_eh
| |||
2956 | { | |||
2957 | int version; | |||
2958 | ||||
2959 | fc = xmalloc (sizeof (Frame_Chunk)); | |||
2960 | memset (fc, 0, sizeof (Frame_Chunk)); | |||
2961 | ||||
2962 | fc->next = chunks; | |||
2963 | chunks = fc; | |||
2964 | fc->chunk_start = saved_start; | |||
2965 | fc->ncols = 0; | |||
2966 | fc->col_type = xmalloc (sizeof (short int)); | |||
2967 | fc->col_offset = xmalloc (sizeof (int)); | |||
2968 | frame_need_space (fc, max_regs-1); | |||
2969 | ||||
2970 | version = *start++; | |||
2971 | ||||
2972 | fc->augmentation = (char *) start; | |||
2973 | start = (unsigned char *) strchr ((char *) start, '\0') + 1; | |||
2974 | ||||
2975 | if (fc->augmentation[0] == 'z') | |||
2976 | { | |||
2977 | fc->code_factor = LEB (); | |||
2978 | fc->data_factor = SLEB (); | |||
2979 | if (version == 1) | |||
2980 | { | |||
2981 | fc->ra = GET (1); | |||
2982 | } | |||
2983 | else | |||
2984 | { | |||
2985 | fc->ra = LEB (); | |||
2986 | } | |||
2987 | augmentation_data_len = LEB (); | |||
2988 | augmentation_data = start; | |||
2989 | start += augmentation_data_len; | |||
2990 | } | |||
2991 | else if (strcmp (fc->augmentation, "eh") == 0) | |||
2992 | { | |||
2993 | start += eh_addr_size; | |||
2994 | fc->code_factor = LEB (); | |||
2995 | fc->data_factor = SLEB (); | |||
2996 | if (version == 1) | |||
2997 | { | |||
2998 | fc->ra = GET (1); | |||
2999 | } | |||
3000 | else | |||
3001 | { | |||
3002 | fc->ra = LEB (); | |||
3003 | } | |||
3004 | } | |||
3005 | else | |||
3006 | { | |||
3007 | fc->code_factor = LEB (); | |||
3008 | fc->data_factor = SLEB (); | |||
3009 | if (version == 1) | |||
3010 | { | |||
3011 | fc->ra = GET (1); | |||
3012 | } | |||
3013 | else | |||
3014 | { | |||
3015 | fc->ra = LEB (); | |||
3016 | } | |||
3017 | } | |||
3018 | cie = fc; | |||
3019 | ||||
3020 | if (do_debug_frames_interp) | |||
3021 | printf ("\n%08lx %08lx %08lx CIE \"%s\" cf=%d df=%d ra=%d\n", | |||
3022 | (unsigned long)(saved_start - section_start), length, cie_id, | |||
3023 | fc->augmentation, fc->code_factor, fc->data_factor, | |||
3024 | fc->ra); | |||
3025 | else | |||
3026 | { | |||
3027 | printf ("\n%08lx %08lx %08lx CIE\n", | |||
3028 | (unsigned long)(saved_start - section_start), length, cie_id); | |||
3029 | printf (" Version: %d\n", version); | |||
3030 | printf (" Augmentation: \"%s\"\n", fc->augmentation); | |||
3031 | printf (" Code alignment factor: %u\n", fc->code_factor); | |||
3032 | printf (" Data alignment factor: %d\n", fc->data_factor); | |||
3033 | printf (" Return address column: %d\n", fc->ra); | |||
3034 | ||||
3035 | if (augmentation_data_len) | |||
3036 | { | |||
3037 | unsigned long i; | |||
3038 | printf (" Augmentation data: "); | |||
3039 | for (i = 0; i < augmentation_data_len; ++i) | |||
3040 | printf (" %02x", augmentation_data[i]); | |||
3041 | putchar ('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
3042 | } | |||
3043 | putchar ('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
3044 | } | |||
3045 | ||||
3046 | if (augmentation_data_len) | |||
3047 | { | |||
3048 | unsigned char *p, *q; | |||
3049 | p = (unsigned char *) fc->augmentation + 1; | |||
3050 | q = augmentation_data; | |||
3051 | ||||
3052 | while (1) | |||
3053 | { | |||
3054 | if (*p == 'L') | |||
3055 | q++; | |||
3056 | else if (*p == 'P') | |||
3057 | q += 1 + size_of_encoded_value (*q); | |||
3058 | else if (*p == 'R') | |||
3059 | fc->fde_encoding = *q++; | |||
3060 | else | |||
3061 | break; | |||
3062 | p++; | |||
3063 | } | |||
3064 | ||||
3065 | if (fc->fde_encoding) | |||
3066 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |||
3067 | } | |||
3068 | ||||
3069 | frame_need_space (fc, fc->ra); | |||
3070 | } | |||
3071 | else | |||
3072 | { | |||
3073 | unsigned char *look_for; | |||
3074 | static Frame_Chunk fde_fc; | |||
3075 | ||||
3076 | fc = & fde_fc; | |||
3077 | memset (fc, 0, sizeof (Frame_Chunk)); | |||
3078 | ||||
3079 | look_for = is_eh ? start - 4 - cie_id : section_start + cie_id; | |||
3080 | ||||
3081 | for (cie = chunks; cie ; cie = cie->next) | |||
3082 | if (cie->chunk_start == look_for) | |||
3083 | break; | |||
3084 | ||||
3085 | if (!cie) | |||
3086 | { | |||
3087 | warn ("Invalid CIE pointer %08lx in FDE at %08lx\n", | |||
3088 | cie_id, (unsigned long)(saved_start - section_start)); | |||
3089 | start = block_end; | |||
3090 | fc->ncols = 0; | |||
3091 | fc->col_type = xmalloc (sizeof (short int)); | |||
3092 | fc->col_offset = xmalloc (sizeof (int)); | |||
3093 | frame_need_space (fc, max_regs - 1); | |||
3094 | cie = fc; | |||
3095 | fc->augmentation = ""; | |||
3096 | fc->fde_encoding = 0; | |||
3097 | } | |||
3098 | else | |||
3099 | { | |||
3100 | fc->ncols = cie->ncols; | |||
3101 | fc->col_type = xcmalloc (fc->ncols, sizeof (short int)); | |||
3102 | fc->col_offset = xcmalloc (fc->ncols, sizeof (int)); | |||
3103 | memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int)); | |||
3104 | memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int)); | |||
3105 | fc->augmentation = cie->augmentation; | |||
3106 | fc->code_factor = cie->code_factor; | |||
3107 | fc->data_factor = cie->data_factor; | |||
3108 | fc->cfa_reg = cie->cfa_reg; | |||
3109 | fc->cfa_offset = cie->cfa_offset; | |||
3110 | fc->ra = cie->ra; | |||
3111 | frame_need_space (fc, max_regs-1); | |||
3112 | fc->fde_encoding = cie->fde_encoding; | |||
3113 | } | |||
3114 | ||||
3115 | if (fc->fde_encoding) | |||
3116 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |||
3117 | ||||
3118 | fc->pc_begin = get_encoded_value (start, fc->fde_encoding); | |||
3119 | if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel0x10 | |||
3120 | /* Don't adjust for relocatable file since there's | |||
3121 | invariably a pcrel reloc here, which we haven't | |||
3122 | applied. */ | |||
3123 | && !is_relocatable) | |||
3124 | fc->pc_begin += section->address + (start - section_start); | |||
3125 | start += encoded_ptr_size; | |||
3126 | fc->pc_range = byte_get (start, encoded_ptr_size); | |||
3127 | start += encoded_ptr_size; | |||
3128 | ||||
3129 | if (cie->augmentation[0] == 'z') | |||
3130 | { | |||
3131 | augmentation_data_len = LEB (); | |||
3132 | augmentation_data = start; | |||
3133 | start += augmentation_data_len; | |||
3134 | } | |||
3135 | ||||
3136 | printf ("\n%08lx %08lx %08lx FDE cie=%08lx pc=%08lx..%08lx\n", | |||
3137 | (unsigned long)(saved_start - section_start), length, cie_id, | |||
3138 | (unsigned long)(cie->chunk_start - section_start), | |||
3139 | fc->pc_begin, fc->pc_begin + fc->pc_range); | |||
3140 | if (! do_debug_frames_interp && augmentation_data_len) | |||
3141 | { | |||
3142 | unsigned long i; | |||
3143 | ||||
3144 | printf (" Augmentation data: "); | |||
3145 | for (i = 0; i < augmentation_data_len; ++i) | |||
3146 | printf (" %02x", augmentation_data[i]); | |||
3147 | putchar ('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
3148 | putchar ('\n')(!__isthreaded ? __sputc('\n', (&__sF[1])) : (putc)('\n', (&__sF[1]))); | |||
3149 | } | |||
3150 | } | |||
3151 | ||||
3152 | /* At this point, fc is the current chunk, cie (if any) is set, and | |||
3153 | we're about to interpret instructions for the chunk. */ | |||
3154 | /* ??? At present we need to do this always, since this sizes the | |||
3155 | fc->col_type and fc->col_offset arrays, which we write into always. | |||
3156 | We should probably split the interpreted and non-interpreted bits | |||
3157 | into two different routines, since there's so much that doesn't | |||
3158 | really overlap between them. */ | |||
3159 | if (1 || do_debug_frames_interp) | |||
3160 | { | |||
3161 | /* Start by making a pass over the chunk, allocating storage | |||
3162 | and taking note of what registers are used. */ | |||
3163 | unsigned char *tmp = start; | |||
3164 | ||||
3165 | while (start < block_end) | |||
3166 | { | |||
3167 | unsigned op, opa; | |||
3168 | unsigned long reg, tmp; | |||
3169 | ||||
3170 | op = *start++; | |||
3171 | opa = op & 0x3f; | |||
3172 | if (op & 0xc0) | |||
3173 | op &= 0xc0; | |||
3174 | ||||
3175 | /* Warning: if you add any more cases to this switch, be | |||
3176 | sure to add them to the corresponding switch below. */ | |||
3177 | switch (op) | |||
3178 | { | |||
3179 | case DW_CFA_advance_loc: | |||
3180 | break; | |||
3181 | case DW_CFA_offset: | |||
3182 | LEB (); | |||
3183 | frame_need_space (fc, opa); | |||
3184 | fc->col_type[opa] = DW_CFA_undefined; | |||
3185 | break; | |||
3186 | case DW_CFA_restore: | |||
3187 | frame_need_space (fc, opa); | |||
3188 | fc->col_type[opa] = DW_CFA_undefined; | |||
3189 | break; | |||
3190 | case DW_CFA_set_loc: | |||
3191 | start += encoded_ptr_size; | |||
3192 | break; | |||
3193 | case DW_CFA_advance_loc1: | |||
3194 | start += 1; | |||
3195 | break; | |||
3196 | case DW_CFA_advance_loc2: | |||
3197 | start += 2; | |||
3198 | break; | |||
3199 | case DW_CFA_advance_loc4: | |||
3200 | start += 4; | |||
3201 | break; | |||
3202 | case DW_CFA_offset_extended: | |||
3203 | case DW_CFA_val_offset: | |||
3204 | reg = LEB (); LEB (); | |||
3205 | frame_need_space (fc, reg); | |||
3206 | fc->col_type[reg] = DW_CFA_undefined; | |||
3207 | break; | |||
3208 | case DW_CFA_restore_extended: | |||
3209 | reg = LEB (); | |||
3210 | frame_need_space (fc, reg); | |||
3211 | fc->col_type[reg] = DW_CFA_undefined; | |||
3212 | break; | |||
3213 | case DW_CFA_undefined: | |||
3214 | reg = LEB (); | |||
3215 | frame_need_space (fc, reg); | |||
3216 | fc->col_type[reg] = DW_CFA_undefined; | |||
3217 | break; | |||
3218 | case DW_CFA_same_value: | |||
3219 | reg = LEB (); | |||
3220 | frame_need_space (fc, reg); | |||
3221 | fc->col_type[reg] = DW_CFA_undefined; | |||
3222 | break; | |||
3223 | case DW_CFA_register: | |||
3224 | reg = LEB (); LEB (); | |||
3225 | frame_need_space (fc, reg); | |||
3226 | fc->col_type[reg] = DW_CFA_undefined; | |||
3227 | break; | |||
3228 | case DW_CFA_def_cfa: | |||
3229 | LEB (); LEB (); | |||
3230 | break; | |||
3231 | case DW_CFA_def_cfa_register: | |||
3232 | LEB (); | |||
3233 | break; | |||
3234 | case DW_CFA_def_cfa_offset: | |||
3235 | LEB (); | |||
3236 | break; | |||
3237 | case DW_CFA_def_cfa_expression: | |||
3238 | tmp = LEB (); | |||
3239 | start += tmp; | |||
3240 | break; | |||
3241 | case DW_CFA_expression: | |||
3242 | case DW_CFA_val_expression: | |||
3243 | reg = LEB (); | |||
3244 | tmp = LEB (); | |||
3245 | start += tmp; | |||
3246 | frame_need_space (fc, reg); | |||
3247 | fc->col_type[reg] = DW_CFA_undefined; | |||
3248 | break; | |||
3249 | case DW_CFA_offset_extended_sf: | |||
3250 | case DW_CFA_val_offset_sf: | |||
3251 | reg = LEB (); SLEB (); | |||
3252 | frame_need_space (fc, reg); | |||
3253 | fc->col_type[reg] = DW_CFA_undefined; | |||
3254 | break; | |||
3255 | case DW_CFA_def_cfa_sf: | |||
3256 | LEB (); SLEB (); | |||
3257 | break; | |||
3258 | case DW_CFA_def_cfa_offset_sf: | |||
3259 | SLEB (); | |||
3260 | break; | |||
3261 | case DW_CFA_MIPS_advance_loc8: | |||
3262 | start += 8; | |||
3263 | break; | |||
3264 | case DW_CFA_GNU_args_size: | |||
3265 | LEB (); | |||
3266 | break; | |||
3267 | case DW_CFA_GNU_negative_offset_extended: | |||
3268 | reg = LEB (); LEB (); | |||
3269 | frame_need_space (fc, reg); | |||
3270 | fc->col_type[reg] = DW_CFA_undefined; | |||
3271 | ||||
3272 | default: | |||
3273 | break; | |||
3274 | } | |||
3275 | } | |||
3276 | start = tmp; | |||
3277 | } | |||
3278 | ||||
3279 | /* Now we know what registers are used, make a second pass over | |||
3280 | the chunk, this time actually printing out the info. */ | |||
3281 | ||||
3282 | while (start < block_end) | |||
3283 | { | |||
3284 | unsigned op, opa; | |||
3285 | unsigned long ul, reg, roffs; | |||
3286 | long l, ofs; | |||
3287 | dwarf_vma vma; | |||
3288 | ||||
3289 | op = *start++; | |||
3290 | opa = op & 0x3f; | |||
3291 | if (op & 0xc0) | |||
3292 | op &= 0xc0; | |||
3293 | ||||
3294 | /* Warning: if you add any more cases to this switch, be | |||
3295 | sure to add them to the corresponding switch above. */ | |||
3296 | switch (op) | |||
3297 | { | |||
3298 | case DW_CFA_advance_loc: | |||
3299 | if (do_debug_frames_interp) | |||
3300 | frame_display_row (fc, &need_col_headers, &max_regs); | |||
3301 | else | |||
3302 | printf (" DW_CFA_advance_loc: %d to %08lx\n", | |||
3303 | opa * fc->code_factor, | |||
3304 | fc->pc_begin + opa * fc->code_factor); | |||
3305 | fc->pc_begin += opa * fc->code_factor; | |||
3306 | break; | |||
3307 | ||||
3308 | case DW_CFA_offset: | |||
3309 | roffs = LEB (); | |||
3310 | if (! do_debug_frames_interp) | |||
3311 | printf (" DW_CFA_offset: r%d at cfa%+ld\n", | |||
3312 | opa, roffs * fc->data_factor); | |||
3313 | fc->col_type[opa] = DW_CFA_offset; | |||
3314 | fc->col_offset[opa] = roffs * fc->data_factor; | |||
3315 | break; | |||
3316 | ||||
3317 | case DW_CFA_restore: | |||
3318 | if (! do_debug_frames_interp) | |||
3319 | printf (" DW_CFA_restore: r%d\n", opa); | |||
3320 | if ((fc->col_type[opa] = cie->col_type[opa]) == | |||
3321 | DW_CFA_unreferenced(-1)) | |||
3322 | fc->col_type[opa] = DW_CFA_placeholder(-2); | |||
3323 | fc->col_offset[opa] = cie->col_offset[opa]; | |||
3324 | break; | |||
3325 | ||||
3326 | case DW_CFA_set_loc: | |||
3327 | vma = get_encoded_value (start, fc->fde_encoding); | |||
3328 | if ((fc->fde_encoding & 0x70) == DW_EH_PE_pcrel0x10 | |||
3329 | && !is_relocatable) | |||
3330 | vma += section->address + (start - section_start); | |||
3331 | start += encoded_ptr_size; | |||
3332 | if (do_debug_frames_interp) | |||
3333 | frame_display_row (fc, &need_col_headers, &max_regs); | |||
3334 | else | |||
3335 | printf (" DW_CFA_set_loc: %08lx\n", (unsigned long)vma); | |||
3336 | fc->pc_begin = vma; | |||
3337 | break; | |||
3338 | ||||
3339 | case DW_CFA_advance_loc1: | |||
3340 | ofs = byte_get (start, 1); start += 1; | |||
3341 | if (do_debug_frames_interp) | |||
3342 | frame_display_row (fc, &need_col_headers, &max_regs); | |||
3343 | else | |||
3344 | printf (" DW_CFA_advance_loc1: %ld to %08lx\n", | |||
3345 | ofs * fc->code_factor, | |||
3346 | fc->pc_begin + ofs * fc->code_factor); | |||
3347 | fc->pc_begin += ofs * fc->code_factor; | |||
3348 | break; | |||
3349 | ||||
3350 | case DW_CFA_advance_loc2: | |||
3351 | ofs = byte_get (start, 2); start += 2; | |||
3352 | if (do_debug_frames_interp) | |||
3353 | frame_display_row (fc, &need_col_headers, &max_regs); | |||
3354 | else | |||
3355 | printf (" DW_CFA_advance_loc2: %ld to %08lx\n", | |||
3356 | ofs * fc->code_factor, | |||
3357 | fc->pc_begin + ofs * fc->code_factor); | |||
3358 | fc->pc_begin += ofs * fc->code_factor; | |||
3359 | break; | |||
3360 | ||||
3361 | case DW_CFA_advance_loc4: | |||
3362 | ofs = byte_get (start, 4); start += 4; | |||
3363 | if (do_debug_frames_interp) | |||
3364 | frame_display_row (fc, &need_col_headers, &max_regs); | |||
3365 | else | |||
3366 | printf (" DW_CFA_advance_loc4: %ld to %08lx\n", | |||
3367 | ofs * fc->code_factor, | |||
3368 | fc->pc_begin + ofs * fc->code_factor); | |||
3369 | fc->pc_begin += ofs * fc->code_factor; | |||
3370 | break; | |||
3371 | ||||
3372 | case DW_CFA_offset_extended: | |||
3373 | reg = LEB (); | |||
3374 | roffs = LEB (); | |||
3375 | if (! do_debug_frames_interp) | |||
3376 | printf (" DW_CFA_offset_extended: r%ld at cfa%+ld\n", | |||
3377 | reg, roffs * fc->data_factor); | |||
3378 | fc->col_type[reg] = DW_CFA_offset; | |||
3379 | fc->col_offset[reg] = roffs * fc->data_factor; | |||
3380 | break; | |||
3381 | ||||
3382 | case DW_CFA_val_offset: | |||
3383 | reg = LEB (); | |||
3384 | roffs = LEB (); | |||
3385 | if (! do_debug_frames_interp) | |||
3386 | printf (" DW_CFA_val_offset: r%ld at cfa%+ld\n", | |||
3387 | reg, roffs * fc->data_factor); | |||
3388 | fc->col_type[reg] = DW_CFA_val_offset; | |||
3389 | fc->col_offset[reg] = roffs * fc->data_factor; | |||
3390 | break; | |||
3391 | ||||
3392 | case DW_CFA_restore_extended: | |||
3393 | reg = LEB (); | |||
3394 | if (! do_debug_frames_interp) | |||
3395 | printf (" DW_CFA_restore_extended: r%ld\n", reg); | |||
3396 | if ((fc->col_type[opa] = cie->col_type[opa]) == | |||
3397 | DW_CFA_unreferenced(-1)) | |||
3398 | fc->col_type[opa] = DW_CFA_placeholder(-2); | |||
3399 | fc->col_offset[reg] = cie->col_offset[reg]; | |||
3400 | break; | |||
3401 | ||||
3402 | case DW_CFA_undefined: | |||
3403 | reg = LEB (); | |||
3404 | if (! do_debug_frames_interp) | |||
3405 | printf (" DW_CFA_undefined: r%ld\n", reg); | |||
3406 | fc->col_type[reg] = DW_CFA_undefined; | |||
3407 | fc->col_offset[reg] = 0; | |||
3408 | break; | |||
3409 | ||||
3410 | case DW_CFA_same_value: | |||
3411 | reg = LEB (); | |||
3412 | if (! do_debug_frames_interp) | |||
3413 | printf (" DW_CFA_same_value: r%ld\n", reg); | |||
3414 | fc->col_type[reg] = DW_CFA_same_value; | |||
3415 | fc->col_offset[reg] = 0; | |||
3416 | break; | |||
3417 | ||||
3418 | case DW_CFA_register: | |||
3419 | reg = LEB (); | |||
3420 | roffs = LEB (); | |||
3421 | if (! do_debug_frames_interp) | |||
3422 | printf (" DW_CFA_register: r%ld in r%ld\n", reg, roffs); | |||
3423 | fc->col_type[reg] = DW_CFA_register; | |||
3424 | fc->col_offset[reg] = roffs; | |||
3425 | break; | |||
3426 | ||||
3427 | case DW_CFA_remember_state: | |||
3428 | if (! do_debug_frames_interp) | |||
3429 | printf (" DW_CFA_remember_state\n"); | |||
3430 | rs = xmalloc (sizeof (Frame_Chunk)); | |||
3431 | rs->ncols = fc->ncols; | |||
3432 | rs->col_type = xcmalloc (rs->ncols, sizeof (short int)); | |||
3433 | rs->col_offset = xcmalloc (rs->ncols, sizeof (int)); | |||
3434 | memcpy (rs->col_type, fc->col_type, rs->ncols); | |||
3435 | memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (int)); | |||
3436 | rs->next = remembered_state; | |||
3437 | remembered_state = rs; | |||
3438 | break; | |||
3439 | ||||
3440 | case DW_CFA_restore_state: | |||
3441 | if (! do_debug_frames_interp) | |||
3442 | printf (" DW_CFA_restore_state\n"); | |||
3443 | rs = remembered_state; | |||
3444 | if (rs) | |||
3445 | { | |||
3446 | remembered_state = rs->next; | |||
3447 | frame_need_space (fc, rs->ncols-1); | |||
3448 | memcpy (fc->col_type, rs->col_type, rs->ncols); | |||
3449 | memcpy (fc->col_offset, rs->col_offset, | |||
3450 | rs->ncols * sizeof (int)); | |||
3451 | free (rs->col_type); | |||
3452 | free (rs->col_offset); | |||
3453 | free (rs); | |||
3454 | } | |||
3455 | else if (do_debug_frames_interp) | |||
3456 | printf ("Mismatched DW_CFA_restore_state\n"); | |||
3457 | break; | |||
3458 | ||||
3459 | case DW_CFA_def_cfa: | |||
3460 | fc->cfa_reg = LEB (); | |||
3461 | fc->cfa_offset = LEB (); | |||
3462 | fc->cfa_exp = 0; | |||
3463 | if (! do_debug_frames_interp) | |||
3464 | printf (" DW_CFA_def_cfa: r%d ofs %d\n", | |||
3465 | fc->cfa_reg, fc->cfa_offset); | |||
3466 | break; | |||
3467 | ||||
3468 | case DW_CFA_def_cfa_register: | |||
3469 | fc->cfa_reg = LEB (); | |||
3470 | fc->cfa_exp = 0; | |||
3471 | if (! do_debug_frames_interp) | |||
3472 | printf (" DW_CFA_def_cfa_reg: r%d\n", fc->cfa_reg); | |||
3473 | break; | |||
3474 | ||||
3475 | case DW_CFA_def_cfa_offset: | |||
3476 | fc->cfa_offset = LEB (); | |||
3477 | if (! do_debug_frames_interp) | |||
3478 | printf (" DW_CFA_def_cfa_offset: %d\n", fc->cfa_offset); | |||
3479 | break; | |||
3480 | ||||
3481 | case DW_CFA_nop: | |||
3482 | if (! do_debug_frames_interp) | |||
3483 | printf (" DW_CFA_nop\n"); | |||
3484 | break; | |||
3485 | ||||
3486 | case DW_CFA_def_cfa_expression: | |||
3487 | ul = LEB (); | |||
3488 | if (! do_debug_frames_interp) | |||
3489 | { | |||
3490 | printf (" DW_CFA_def_cfa_expression ("); | |||
3491 | decode_location_expression (start, eh_addr_size, ul, 0); | |||
3492 | printf (")\n"); | |||
3493 | } | |||
3494 | fc->cfa_exp = 1; | |||
3495 | start += ul; | |||
3496 | break; | |||
3497 | ||||
3498 | case DW_CFA_expression: | |||
3499 | reg = LEB (); | |||
3500 | ul = LEB (); | |||
3501 | if (! do_debug_frames_interp) | |||
3502 | { | |||
3503 | printf (" DW_CFA_expression: r%ld (", reg); | |||
3504 | decode_location_expression (start, eh_addr_size, ul, 0); | |||
3505 | printf (")\n"); | |||
3506 | } | |||
3507 | fc->col_type[reg] = DW_CFA_expression; | |||
3508 | start += ul; | |||
3509 | break; | |||
3510 | ||||
3511 | case DW_CFA_val_expression: | |||
3512 | reg = LEB (); | |||
3513 | ul = LEB (); | |||
3514 | if (! do_debug_frames_interp) | |||
3515 | { | |||
3516 | printf (" DW_CFA_val_expression: r%ld (", reg); | |||
3517 | decode_location_expression (start, eh_addr_size, ul, 0); | |||
3518 | printf (")\n"); | |||
3519 | } | |||
3520 | fc->col_type[reg] = DW_CFA_val_expression; | |||
3521 | start += ul; | |||
3522 | break; | |||
3523 | ||||
3524 | case DW_CFA_offset_extended_sf: | |||
3525 | reg = LEB (); | |||
3526 | l = SLEB (); | |||
3527 | frame_need_space (fc, reg); | |||
3528 | if (! do_debug_frames_interp) | |||
3529 | printf (" DW_CFA_offset_extended_sf: r%ld at cfa%+ld\n", | |||
3530 | reg, l * fc->data_factor); | |||
3531 | fc->col_type[reg] = DW_CFA_offset; | |||
3532 | fc->col_offset[reg] = l * fc->data_factor; | |||
3533 | break; | |||
3534 | ||||
3535 | case DW_CFA_val_offset_sf: | |||
3536 | reg = LEB (); | |||
3537 | l = SLEB (); | |||
3538 | frame_need_space (fc, reg); | |||
3539 | if (! do_debug_frames_interp) | |||
3540 | printf (" DW_CFA_val_offset_sf: r%ld at cfa%+ld\n", | |||
3541 | reg, l * fc->data_factor); | |||
3542 | fc->col_type[reg] = DW_CFA_val_offset; | |||
3543 | fc->col_offset[reg] = l * fc->data_factor; | |||
3544 | break; | |||
3545 | ||||
3546 | case DW_CFA_def_cfa_sf: | |||
3547 | fc->cfa_reg = LEB (); | |||
3548 | fc->cfa_offset = SLEB (); | |||
3549 | fc->cfa_offset = fc->cfa_offset * fc->data_factor; | |||
3550 | fc->cfa_exp = 0; | |||
3551 | if (! do_debug_frames_interp) | |||
3552 | printf (" DW_CFA_def_cfa_sf: r%d ofs %d\n", | |||
3553 | fc->cfa_reg, fc->cfa_offset); | |||
3554 | break; | |||
3555 | ||||
3556 | case DW_CFA_def_cfa_offset_sf: | |||
3557 | fc->cfa_offset = SLEB (); | |||
3558 | fc->cfa_offset = fc->cfa_offset * fc->data_factor; | |||
3559 | if (! do_debug_frames_interp) | |||
3560 | printf (" DW_CFA_def_cfa_offset_sf: %d\n", fc->cfa_offset); | |||
3561 | break; | |||
3562 | ||||
3563 | case DW_CFA_MIPS_advance_loc8: | |||
3564 | ofs = byte_get (start, 8); start += 8; | |||
3565 | if (do_debug_frames_interp) | |||
3566 | frame_display_row (fc, &need_col_headers, &max_regs); | |||
3567 | else | |||
3568 | printf (" DW_CFA_MIPS_advance_loc8: %ld to %08lx\n", | |||
3569 | ofs * fc->code_factor, | |||
3570 | fc->pc_begin + ofs * fc->code_factor); | |||
3571 | fc->pc_begin += ofs * fc->code_factor; | |||
3572 | break; | |||
3573 | ||||
3574 | case DW_CFA_GNU_window_save: | |||
3575 | if (! do_debug_frames_interp) | |||
3576 | printf (" DW_CFA_GNU_window_save\n"); | |||
3577 | break; | |||
3578 | ||||
3579 | case DW_CFA_GNU_args_size: | |||
3580 | ul = LEB (); | |||
3581 | if (! do_debug_frames_interp) | |||
3582 | printf (" DW_CFA_GNU_args_size: %ld\n", ul); | |||
3583 | break; | |||
3584 | ||||
3585 | case DW_CFA_GNU_negative_offset_extended: | |||
3586 | reg = LEB (); | |||
3587 | l = - LEB (); | |||
3588 | frame_need_space (fc, reg); | |||
3589 | if (! do_debug_frames_interp) | |||
3590 | printf (" DW_CFA_GNU_negative_offset_extended: r%ld at cfa%+ld\n", | |||
3591 | reg, l * fc->data_factor); | |||
3592 | fc->col_type[reg] = DW_CFA_offset; | |||
3593 | fc->col_offset[reg] = l * fc->data_factor; | |||
3594 | break; | |||
3595 | ||||
3596 | default: | |||
3597 | warn (_("unsupported or unknown DW_CFA_%d\n")("unsupported or unknown DW_CFA_%d\n"), op); | |||
3598 | start = block_end; | |||
3599 | } | |||
3600 | } | |||
3601 | ||||
3602 | if (do_debug_frames_interp) | |||
3603 | frame_display_row (fc, &need_col_headers, &max_regs); | |||
3604 | ||||
3605 | start = block_end; | |||
3606 | } | |||
3607 | ||||
3608 | printf ("\n"); | |||
3609 | ||||
3610 | return 1; | |||
3611 | } | |||
3612 | ||||
3613 | #undef GET | |||
3614 | #undef LEB | |||
3615 | #undef SLEB | |||
3616 | ||||
3617 | static int | |||
3618 | display_debug_not_supported (struct dwarf_section *section, | |||
3619 | void *file ATTRIBUTE_UNUSED__attribute__ ((__unused__))) | |||
3620 | { | |||
3621 | printf (_("Displaying the debug contents of section %s is not yet supported.\n")("Displaying the debug contents of section %s is not yet supported.\n" ), | |||
3622 | section->name); | |||
3623 | ||||
3624 | return 1; | |||
3625 | } | |||
3626 | ||||
3627 | void * | |||
3628 | cmalloc (size_t nmemb, size_t size) | |||
3629 | { | |||
3630 | /* Check for overflow. */ | |||
3631 | if (nmemb >= ~(size_t) 0 / size) | |||
3632 | return NULL((void*)0); | |||
3633 | else | |||
3634 | return malloc (nmemb * size); | |||
3635 | } | |||
3636 | ||||
3637 | void * | |||
3638 | xcmalloc (size_t nmemb, size_t size) | |||
3639 | { | |||
3640 | /* Check for overflow. */ | |||
3641 | if (nmemb >= ~(size_t) 0 / size) | |||
3642 | return NULL((void*)0); | |||
3643 | else | |||
3644 | return xmalloc (nmemb * size); | |||
3645 | } | |||
3646 | ||||
3647 | void * | |||
3648 | xcrealloc (void *ptr, size_t nmemb, size_t size) | |||
3649 | { | |||
3650 | /* Check for overflow. */ | |||
3651 | if (nmemb >= ~(size_t) 0 / size) | |||
3652 | return NULL((void*)0); | |||
3653 | else | |||
3654 | return xrealloc (ptr, nmemb * size); | |||
3655 | } | |||
3656 | ||||
3657 | void | |||
3658 | error (const char *message, ...) | |||
3659 | { | |||
3660 | va_list args; | |||
3661 | ||||
3662 | va_start (args, message)__builtin_va_start(args, message); | |||
3663 | fprintf (stderr(&__sF[2]), _("%s: Error: ")("%s: Error: "), program_name); | |||
3664 | vfprintf (stderr(&__sF[2]), message, args); | |||
3665 | va_end (args)__builtin_va_end(args); | |||
3666 | } | |||
3667 | ||||
3668 | void | |||
3669 | warn (const char *message, ...) | |||
3670 | { | |||
3671 | va_list args; | |||
3672 | ||||
3673 | va_start (args, message)__builtin_va_start(args, message); | |||
3674 | fprintf (stderr(&__sF[2]), _("%s: Warning: ")("%s: Warning: "), program_name); | |||
3675 | vfprintf (stderr(&__sF[2]), message, args); | |||
3676 | va_end (args)__builtin_va_end(args); | |||
3677 | } | |||
3678 | ||||
3679 | void | |||
3680 | free_debug_memory (void) | |||
3681 | { | |||
3682 | enum dwarf_section_display_enum i; | |||
3683 | ||||
3684 | free_abbrevs (); | |||
3685 | ||||
3686 | for (i = 0; i < max; i++) | |||
3687 | free_debug_section (i); | |||
3688 | ||||
3689 | if (debug_information) | |||
3690 | { | |||
3691 | for (i = 0; i < num_debug_info_entries; i++) | |||
3692 | { | |||
3693 | if (!debug_information [i].max_loc_offsets) | |||
3694 | { | |||
3695 | free (debug_information [i].loc_offsets); | |||
3696 | free (debug_information [i].have_frame_base); | |||
3697 | } | |||
3698 | if (!debug_information [i].max_range_lists) | |||
3699 | free (debug_information [i].range_lists); | |||
3700 | } | |||
3701 | free (debug_information); | |||
3702 | debug_information = NULL((void*)0); | |||
3703 | num_debug_info_entries = 0; | |||
3704 | } | |||
3705 | ||||
3706 | } | |||
3707 | ||||
3708 | struct dwarf_section_display debug_displays[] = | |||
3709 | { | |||
3710 | { { ".debug_abbrev", NULL((void*)0), 0, 0 }, | |||
3711 | display_debug_abbrev, 0, 0 }, | |||
3712 | { { ".debug_aranges", NULL((void*)0), 0, 0 }, | |||
3713 | display_debug_aranges, 0, 0 }, | |||
3714 | { { ".debug_frame", NULL((void*)0), 0, 0 }, | |||
3715 | display_debug_frames, 1, 0 }, | |||
3716 | { { ".debug_info", NULL((void*)0), 0, 0 }, | |||
3717 | display_debug_info, 1, 0 }, | |||
3718 | { { ".debug_line", NULL((void*)0), 0, 0 }, | |||
3719 | display_debug_lines, 0, 0 }, | |||
3720 | { { ".debug_pubnames", NULL((void*)0), 0, 0 }, | |||
3721 | display_debug_pubnames, 0, 0 }, | |||
3722 | { { ".eh_frame", NULL((void*)0), 0, 0 }, | |||
3723 | display_debug_frames, 1, 1 }, | |||
3724 | { { ".debug_macinfo", NULL((void*)0), 0, 0 }, | |||
3725 | display_debug_macinfo, 0, 0 }, | |||
3726 | { { ".debug_str", NULL((void*)0), 0, 0 }, | |||
3727 | display_debug_str, 0, 0 }, | |||
3728 | { { ".debug_loc", NULL((void*)0), 0, 0 }, | |||
3729 | display_debug_loc, 0, 0 }, | |||
3730 | { { ".debug_pubtypes", NULL((void*)0), 0, 0 }, | |||
3731 | display_debug_pubnames, 0, 0 }, | |||
3732 | { { ".debug_ranges", NULL((void*)0), 0, 0 }, | |||
3733 | display_debug_ranges, 0, 0 }, | |||
3734 | { { ".debug_static_func", NULL((void*)0), 0, 0 }, | |||
3735 | display_debug_not_supported, 0, 0 }, | |||
3736 | { { ".debug_static_vars", NULL((void*)0), 0, 0 }, | |||
3737 | display_debug_not_supported, 0, 0 }, | |||
3738 | { { ".debug_types", NULL((void*)0), 0, 0 }, | |||
3739 | display_debug_not_supported, 0, 0 }, | |||
3740 | { { ".debug_weaknames", NULL((void*)0), 0, 0 }, | |||
3741 | display_debug_not_supported, 0, 0 } | |||
3742 | }; |