Commit | Line | Data |
---|---|---|
19e6b90e | 1 | /* dwarf.c -- display DWARF contents of a BFD binary file |
2571583a | 2 | Copyright (C) 2005-2017 Free Software Foundation, Inc. |
19e6b90e L |
3 | |
4 | This file is part of GNU Binutils. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
32866df7 | 8 | the Free Software Foundation; either version 3 of the License, or |
19e6b90e L |
9 | (at your option) any later version. |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA | |
19 | 02110-1301, USA. */ | |
20 | ||
3db64b00 | 21 | #include "sysdep.h" |
19e6b90e | 22 | #include "libiberty.h" |
3db64b00 | 23 | #include "bfd.h" |
5bbdf3d5 | 24 | #include "bfd_stdint.h" |
3db64b00 | 25 | #include "bucomm.h" |
3284fe0c | 26 | #include "elfcomm.h" |
2dc4cec1 | 27 | #include "elf/common.h" |
fa8f86ff | 28 | #include "dwarf2.h" |
3db64b00 | 29 | #include "dwarf.h" |
8d6eee87 | 30 | #include "gdb/gdb-index.h" |
61364358 JK |
31 | #include <assert.h> |
32 | ||
33 | #undef MAX | |
34 | #undef MIN | |
35 | #define MAX(a, b) ((a) > (b) ? (a) : (b)) | |
36 | #define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
19e6b90e | 37 | |
18464d4d JK |
38 | static const char *regname (unsigned int regno, int row); |
39 | ||
19e6b90e L |
40 | static int have_frame_base; |
41 | static int need_base_address; | |
42 | ||
43 | static unsigned int last_pointer_size = 0; | |
44 | static int warned_about_missing_comp_units = FALSE; | |
45 | ||
46 | static unsigned int num_debug_info_entries = 0; | |
82b1b41b | 47 | static unsigned int alloc_num_debug_info_entries = 0; |
19e6b90e | 48 | static debug_info *debug_information = NULL; |
cc86f28f NC |
49 | /* Special value for num_debug_info_entries to indicate |
50 | that the .debug_info section could not be loaded/parsed. */ | |
51 | #define DEBUG_INFO_UNAVAILABLE (unsigned int) -1 | |
19e6b90e | 52 | |
77ef8654 | 53 | unsigned int eh_addr_size; |
19e6b90e L |
54 | |
55 | int do_debug_info; | |
56 | int do_debug_abbrevs; | |
57 | int do_debug_lines; | |
58 | int do_debug_pubnames; | |
f9f0e732 | 59 | int do_debug_pubtypes; |
19e6b90e L |
60 | int do_debug_aranges; |
61 | int do_debug_ranges; | |
62 | int do_debug_frames; | |
63 | int do_debug_frames_interp; | |
64 | int do_debug_macinfo; | |
65 | int do_debug_str; | |
66 | int do_debug_loc; | |
5bbdf3d5 | 67 | int do_gdb_index; |
6f875884 TG |
68 | int do_trace_info; |
69 | int do_trace_abbrevs; | |
70 | int do_trace_aranges; | |
657d0d47 CC |
71 | int do_debug_addr; |
72 | int do_debug_cu_index; | |
a262ae96 | 73 | int do_wide; |
19e6b90e | 74 | |
fd2f0033 TT |
75 | int dwarf_cutoff_level = -1; |
76 | unsigned long dwarf_start_die; | |
77 | ||
4723351a CC |
78 | int dwarf_check = 0; |
79 | ||
341f9135 CC |
80 | /* Collection of CU/TU section sets from .debug_cu_index and .debug_tu_index |
81 | sections. For version 1 package files, each set is stored in SHNDX_POOL | |
82 | as a zero-terminated list of section indexes comprising one set of debug | |
83 | sections from a .dwo file. */ | |
84 | ||
341f9135 CC |
85 | static unsigned int *shndx_pool = NULL; |
86 | static unsigned int shndx_pool_size = 0; | |
87 | static unsigned int shndx_pool_used = 0; | |
88 | ||
89 | /* For version 2 package files, each set contains an array of section offsets | |
90 | and an array of section sizes, giving the offset and size of the | |
91 | contribution from a CU or TU within one of the debug sections. | |
92 | When displaying debug info from a package file, we need to use these | |
93 | tables to locate the corresponding contributions to each section. */ | |
94 | ||
95 | struct cu_tu_set | |
96 | { | |
97 | uint64_t signature; | |
98 | dwarf_vma section_offsets[DW_SECT_MAX]; | |
99 | size_t section_sizes[DW_SECT_MAX]; | |
100 | }; | |
101 | ||
102 | static int cu_count = 0; | |
103 | static int tu_count = 0; | |
104 | static struct cu_tu_set *cu_sets = NULL; | |
105 | static struct cu_tu_set *tu_sets = NULL; | |
106 | ||
43a444f9 | 107 | static bfd_boolean load_cu_tu_indexes (void *); |
341f9135 | 108 | |
4cb93e3b TG |
109 | /* Values for do_debug_lines. */ |
110 | #define FLAG_DEBUG_LINES_RAW 1 | |
111 | #define FLAG_DEBUG_LINES_DECODED 2 | |
112 | ||
77ef8654 | 113 | static unsigned int |
f1c4cc75 RH |
114 | size_of_encoded_value (int encoding) |
115 | { | |
116 | switch (encoding & 0x7) | |
117 | { | |
118 | default: /* ??? */ | |
119 | case 0: return eh_addr_size; | |
120 | case 2: return 2; | |
121 | case 3: return 4; | |
122 | case 4: return 8; | |
123 | } | |
124 | } | |
125 | ||
126 | static dwarf_vma | |
041830e0 | 127 | get_encoded_value (unsigned char **pdata, |
bad62cf5 | 128 | int encoding, |
041830e0 NC |
129 | struct dwarf_section *section, |
130 | unsigned char * end) | |
f1c4cc75 | 131 | { |
041830e0 | 132 | unsigned char * data = * pdata; |
6937bb54 | 133 | unsigned int size = size_of_encoded_value (encoding); |
bad62cf5 | 134 | dwarf_vma val; |
f1c4cc75 | 135 | |
041830e0 NC |
136 | if (data + size >= end) |
137 | { | |
138 | warn (_("Encoded value extends past end of section\n")); | |
139 | * pdata = end; | |
140 | return 0; | |
141 | } | |
142 | ||
6937bb54 NC |
143 | /* PR 17512: file: 002-829853-0.004. */ |
144 | if (size > 8) | |
145 | { | |
146 | warn (_("Encoded size of %d is too large to read\n"), size); | |
147 | * pdata = end; | |
148 | return 0; | |
149 | } | |
150 | ||
0a9d414a NC |
151 | /* PR 17512: file: 1085-5603-0.004. */ |
152 | if (size == 0) | |
153 | { | |
154 | warn (_("Encoded size of 0 is too small to read\n")); | |
155 | * pdata = end; | |
156 | return 0; | |
157 | } | |
158 | ||
f1c4cc75 | 159 | if (encoding & DW_EH_PE_signed) |
bad62cf5 | 160 | val = byte_get_signed (data, size); |
f1c4cc75 | 161 | else |
bad62cf5 AM |
162 | val = byte_get (data, size); |
163 | ||
164 | if ((encoding & 0x70) == DW_EH_PE_pcrel) | |
165 | val += section->address + (data - section->start); | |
041830e0 NC |
166 | |
167 | * pdata = data + size; | |
bad62cf5 | 168 | return val; |
f1c4cc75 RH |
169 | } |
170 | ||
4c219c2e AM |
171 | #if defined HAVE_LONG_LONG && SIZEOF_LONG_LONG > SIZEOF_LONG |
172 | # ifndef __MINGW32__ | |
173 | # define DWARF_VMA_FMT "ll" | |
174 | # define DWARF_VMA_FMT_LONG "%16.16llx" | |
175 | # else | |
176 | # define DWARF_VMA_FMT "I64" | |
177 | # define DWARF_VMA_FMT_LONG "%016I64x" | |
178 | # endif | |
2e14fae2 | 179 | #else |
4c219c2e AM |
180 | # define DWARF_VMA_FMT "l" |
181 | # define DWARF_VMA_FMT_LONG "%16.16lx" | |
2d9472a2 NC |
182 | #endif |
183 | ||
bf5117e3 NC |
184 | /* Convert a dwarf vma value into a string. Returns a pointer to a static |
185 | buffer containing the converted VALUE. The value is converted according | |
186 | to the printf formating character FMTCH. If NUM_BYTES is non-zero then | |
187 | it specifies the maximum number of bytes to be displayed in the converted | |
188 | value and FMTCH is ignored - hex is always used. */ | |
467c65bc | 189 | |
47704ddf | 190 | static const char * |
bf5117e3 | 191 | dwarf_vmatoa_1 (const char *fmtch, dwarf_vma value, unsigned num_bytes) |
47704ddf KT |
192 | { |
193 | /* As dwarf_vmatoa is used more then once in a printf call | |
194 | for output, we are cycling through an fixed array of pointers | |
195 | for return address. */ | |
196 | static int buf_pos = 0; | |
467c65bc NC |
197 | static struct dwarf_vmatoa_buf |
198 | { | |
47704ddf KT |
199 | char place[64]; |
200 | } buf[16]; | |
47704ddf KT |
201 | char *ret; |
202 | ||
47704ddf | 203 | ret = buf[buf_pos++].place; |
467c65bc | 204 | buf_pos %= ARRAY_SIZE (buf); |
47704ddf | 205 | |
bf5117e3 NC |
206 | if (num_bytes) |
207 | { | |
222c2bf0 | 208 | /* Printf does not have a way of specifying a maximum field width for an |
bf5117e3 NC |
209 | integer value, so we print the full value into a buffer and then select |
210 | the precision we need. */ | |
211 | snprintf (ret, sizeof (buf[0].place), DWARF_VMA_FMT_LONG, value); | |
212 | if (num_bytes > 8) | |
213 | num_bytes = 8; | |
214 | return ret + (16 - 2 * num_bytes); | |
215 | } | |
216 | else | |
217 | { | |
218 | char fmt[32]; | |
219 | ||
0bae9e9e NC |
220 | if (fmtch) |
221 | sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch); | |
222 | else | |
223 | sprintf (fmt, "%%%s", DWARF_VMA_FMT); | |
bf5117e3 NC |
224 | snprintf (ret, sizeof (buf[0].place), fmt, value); |
225 | return ret; | |
226 | } | |
227 | } | |
47704ddf | 228 | |
bf5117e3 NC |
229 | static inline const char * |
230 | dwarf_vmatoa (const char * fmtch, dwarf_vma value) | |
231 | { | |
232 | return dwarf_vmatoa_1 (fmtch, value, 0); | |
233 | } | |
234 | ||
235 | /* Print a dwarf_vma value (typically an address, offset or length) in | |
236 | hexadecimal format, followed by a space. The length of the VALUE (and | |
237 | hence the precision displayed) is determined by the NUM_BYTES parameter. */ | |
238 | ||
239 | static void | |
240 | print_dwarf_vma (dwarf_vma value, unsigned num_bytes) | |
241 | { | |
242 | printf ("%s ", dwarf_vmatoa_1 (NULL, value, num_bytes)); | |
47704ddf KT |
243 | } |
244 | ||
74bc6052 CC |
245 | /* Format a 64-bit value, given as two 32-bit values, in hex. |
246 | For reentrancy, this uses a buffer provided by the caller. */ | |
247 | ||
248 | static const char * | |
249 | dwarf_vmatoa64 (dwarf_vma hvalue, dwarf_vma lvalue, char *buf, | |
250 | unsigned int buf_len) | |
251 | { | |
252 | int len = 0; | |
253 | ||
254 | if (hvalue == 0) | |
255 | snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", lvalue); | |
256 | else | |
257 | { | |
258 | len = snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", hvalue); | |
259 | snprintf (buf + len, buf_len - len, | |
260 | "%08" DWARF_VMA_FMT "x", lvalue); | |
261 | } | |
262 | ||
263 | return buf; | |
264 | } | |
265 | ||
f6f0e17b NC |
266 | /* Read in a LEB128 encoded value starting at address DATA. |
267 | If SIGN is true, return a signed LEB128 value. | |
268 | If LENGTH_RETURN is not NULL, return in it the number of bytes read. | |
269 | No bytes will be read at address END or beyond. */ | |
270 | ||
467c65bc | 271 | dwarf_vma |
f6f0e17b NC |
272 | read_leb128 (unsigned char *data, |
273 | unsigned int *length_return, | |
274 | bfd_boolean sign, | |
275 | const unsigned char * const end) | |
19e6b90e | 276 | { |
467c65bc | 277 | dwarf_vma result = 0; |
19e6b90e L |
278 | unsigned int num_read = 0; |
279 | unsigned int shift = 0; | |
f6f0e17b | 280 | unsigned char byte = 0; |
19e6b90e | 281 | |
f6f0e17b | 282 | while (data < end) |
19e6b90e L |
283 | { |
284 | byte = *data++; | |
285 | num_read++; | |
286 | ||
467c65bc | 287 | result |= ((dwarf_vma) (byte & 0x7f)) << shift; |
19e6b90e L |
288 | |
289 | shift += 7; | |
f6f0e17b NC |
290 | if ((byte & 0x80) == 0) |
291 | break; | |
77ef8654 NC |
292 | |
293 | /* PR 17512: file: 0ca183b8. | |
294 | FIXME: Should we signal this error somehow ? */ | |
f641dd96 | 295 | if (shift >= sizeof (result) * 8) |
77ef8654 | 296 | break; |
19e6b90e | 297 | } |
19e6b90e L |
298 | |
299 | if (length_return != NULL) | |
300 | *length_return = num_read; | |
301 | ||
302 | if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40)) | |
c4e0beac | 303 | result |= -((dwarf_vma) 1 << shift); |
19e6b90e L |
304 | |
305 | return result; | |
306 | } | |
307 | ||
467c65bc | 308 | /* Create a signed version to avoid painful typecasts. */ |
f6f0e17b NC |
309 | static inline dwarf_signed_vma |
310 | read_sleb128 (unsigned char * data, | |
311 | unsigned int * length_return, | |
312 | const unsigned char * const end) | |
313 | { | |
314 | return (dwarf_signed_vma) read_leb128 (data, length_return, TRUE, end); | |
315 | } | |
316 | ||
317 | static inline dwarf_vma | |
318 | read_uleb128 (unsigned char * data, | |
319 | unsigned int * length_return, | |
320 | const unsigned char * const end) | |
467c65bc | 321 | { |
f6f0e17b | 322 | return read_leb128 (data, length_return, FALSE, end); |
467c65bc NC |
323 | } |
324 | ||
7f2c8a1d NC |
325 | #define SKIP_ULEB() read_uleb128 (start, & length_return, end); start += length_return |
326 | #define SKIP_SLEB() read_sleb128 (start, & length_return, end); start += length_return | |
327 | ||
328 | #define READ_ULEB(var) \ | |
329 | do \ | |
330 | { \ | |
331 | dwarf_vma _val; \ | |
332 | \ | |
333 | (var) = _val = read_uleb128 (start, &length_return, end); \ | |
334 | if ((var) != _val) \ | |
19474787 | 335 | error (_("Internal error: %s%d: LEB value (%#" DWARF_VMA_FMT "x) too large for containing variable\n"), \ |
7f2c8a1d NC |
336 | __FILE__, __LINE__, _val); \ |
337 | start += length_return; \ | |
338 | } \ | |
339 | while (0) | |
340 | ||
341 | #define READ_SLEB(var) \ | |
342 | do \ | |
343 | { \ | |
344 | dwarf_signed_vma _val; \ | |
345 | \ | |
346 | (var) = _val = read_sleb128 (start, &length_return, end); \ | |
347 | if ((var) != _val) \ | |
19474787 | 348 | error (_("Internal error: %s%d: LEB value (%#" DWARF_VMA_FMT "x) too large for containing variable\n"), \ |
7f2c8a1d NC |
349 | __FILE__, __LINE__, _val); \ |
350 | start += length_return; \ | |
351 | } \ | |
352 | while (0) | |
353 | ||
0c588247 NC |
354 | #define SAFE_BYTE_GET(VAL, PTR, AMOUNT, END) \ |
355 | do \ | |
356 | { \ | |
357 | unsigned int amount = (AMOUNT); \ | |
34b9f729 NC |
358 | if (sizeof (VAL) < amount) \ |
359 | { \ | |
360 | error (_("internal error: attempt to read %d bytes of data in to %d sized variable"),\ | |
361 | amount, (int) sizeof (VAL)); \ | |
362 | amount = sizeof (VAL); \ | |
363 | } \ | |
0c588247 NC |
364 | if (((PTR) + amount) >= (END)) \ |
365 | { \ | |
366 | if ((PTR) < (END)) \ | |
367 | amount = (END) - (PTR); \ | |
368 | else \ | |
369 | amount = 0; \ | |
370 | } \ | |
6937bb54 | 371 | if (amount == 0 || amount > 8) \ |
0c588247 | 372 | VAL = 0; \ |
6937bb54 NC |
373 | else \ |
374 | VAL = byte_get ((PTR), amount); \ | |
0c588247 NC |
375 | } \ |
376 | while (0) | |
377 | ||
378 | #define SAFE_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \ | |
379 | do \ | |
380 | { \ | |
381 | SAFE_BYTE_GET (VAL, PTR, AMOUNT, END); \ | |
382 | PTR += AMOUNT; \ | |
383 | } \ | |
384 | while (0) | |
385 | ||
386 | #define SAFE_SIGNED_BYTE_GET(VAL, PTR, AMOUNT, END) \ | |
387 | do \ | |
388 | { \ | |
389 | unsigned int amount = (AMOUNT); \ | |
390 | if (((PTR) + amount) >= (END)) \ | |
391 | { \ | |
392 | if ((PTR) < (END)) \ | |
393 | amount = (END) - (PTR); \ | |
394 | else \ | |
395 | amount = 0; \ | |
396 | } \ | |
397 | if (amount) \ | |
398 | VAL = byte_get_signed ((PTR), amount); \ | |
399 | else \ | |
400 | VAL = 0; \ | |
401 | } \ | |
402 | while (0) | |
403 | ||
404 | #define SAFE_SIGNED_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \ | |
405 | do \ | |
406 | { \ | |
407 | SAFE_SIGNED_BYTE_GET (VAL, PTR, AMOUNT, END); \ | |
408 | PTR += AMOUNT; \ | |
409 | } \ | |
410 | while (0) | |
411 | ||
412 | #define SAFE_BYTE_GET64(PTR, HIGH, LOW, END) \ | |
413 | do \ | |
414 | { \ | |
87bc83b3 | 415 | if (((PTR) + 8) <= (END)) \ |
0c588247 NC |
416 | { \ |
417 | byte_get_64 ((PTR), (HIGH), (LOW)); \ | |
418 | } \ | |
419 | else \ | |
420 | { \ | |
0c588247 NC |
421 | * (LOW) = * (HIGH) = 0; \ |
422 | } \ | |
423 | } \ | |
424 | while (0) | |
425 | ||
19e6b90e L |
426 | typedef struct State_Machine_Registers |
427 | { | |
467c65bc | 428 | dwarf_vma address; |
19e6b90e L |
429 | unsigned int file; |
430 | unsigned int line; | |
431 | unsigned int column; | |
432 | int is_stmt; | |
433 | int basic_block; | |
a233b20c JJ |
434 | unsigned char op_index; |
435 | unsigned char end_sequence; | |
19e6b90e L |
436 | /* This variable hold the number of the last entry seen |
437 | in the File Table. */ | |
438 | unsigned int last_file_entry; | |
439 | } SMR; | |
440 | ||
441 | static SMR state_machine_regs; | |
442 | ||
443 | static void | |
444 | reset_state_machine (int is_stmt) | |
445 | { | |
446 | state_machine_regs.address = 0; | |
a233b20c | 447 | state_machine_regs.op_index = 0; |
19e6b90e L |
448 | state_machine_regs.file = 1; |
449 | state_machine_regs.line = 1; | |
450 | state_machine_regs.column = 0; | |
451 | state_machine_regs.is_stmt = is_stmt; | |
452 | state_machine_regs.basic_block = 0; | |
453 | state_machine_regs.end_sequence = 0; | |
454 | state_machine_regs.last_file_entry = 0; | |
455 | } | |
456 | ||
457 | /* Handled an extend line op. | |
458 | Returns the number of bytes read. */ | |
459 | ||
460 | static int | |
f6f0e17b NC |
461 | process_extended_line_op (unsigned char * data, |
462 | int is_stmt, | |
463 | unsigned char * end) | |
19e6b90e L |
464 | { |
465 | unsigned char op_code; | |
466 | unsigned int bytes_read; | |
467 | unsigned int len; | |
468 | unsigned char *name; | |
143a3db0 | 469 | unsigned char *orig_data = data; |
f6f0e17b | 470 | dwarf_vma adr; |
19e6b90e | 471 | |
f6f0e17b | 472 | len = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
473 | data += bytes_read; |
474 | ||
e44c58ce | 475 | if (len == 0 || data == end || len > (uintptr_t) (end - data)) |
19e6b90e | 476 | { |
f41e4712 | 477 | warn (_("Badly formed extended line op encountered!\n")); |
19e6b90e L |
478 | return bytes_read; |
479 | } | |
480 | ||
481 | len += bytes_read; | |
482 | op_code = *data++; | |
483 | ||
484 | printf (_(" Extended opcode %d: "), op_code); | |
485 | ||
486 | switch (op_code) | |
487 | { | |
488 | case DW_LNE_end_sequence: | |
489 | printf (_("End of Sequence\n\n")); | |
490 | reset_state_machine (is_stmt); | |
491 | break; | |
492 | ||
493 | case DW_LNE_set_address: | |
6937bb54 NC |
494 | /* PR 17512: file: 002-100480-0.004. */ |
495 | if (len - bytes_read - 1 > 8) | |
77ef8654 NC |
496 | { |
497 | warn (_("Length (%d) of DW_LNE_set_address op is too long\n"), | |
498 | len - bytes_read - 1); | |
499 | adr = 0; | |
500 | } | |
501 | else | |
502 | SAFE_BYTE_GET (adr, data, len - bytes_read - 1, end); | |
47704ddf | 503 | printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr)); |
19e6b90e | 504 | state_machine_regs.address = adr; |
a233b20c | 505 | state_machine_regs.op_index = 0; |
19e6b90e L |
506 | break; |
507 | ||
508 | case DW_LNE_define_file: | |
143a3db0 | 509 | printf (_("define new File Table entry\n")); |
19e6b90e | 510 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); |
cc5914eb | 511 | printf (" %d\t", ++state_machine_regs.last_file_entry); |
f6f0e17b | 512 | |
d949ff56 NC |
513 | { |
514 | size_t l; | |
515 | ||
516 | name = data; | |
517 | l = strnlen ((char *) data, end - data); | |
518 | data += len + 1; | |
519 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
520 | data += bytes_read; | |
521 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
522 | data += bytes_read; | |
523 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
524 | data += bytes_read; | |
525 | printf ("%.*s\n\n", (int) l, name); | |
526 | } | |
f6f0e17b NC |
527 | |
528 | if (((unsigned int) (data - orig_data) != len) || data == end) | |
b4eb7656 | 529 | warn (_("DW_LNE_define_file: Bad opcode length\n")); |
19e6b90e L |
530 | break; |
531 | ||
ed4a4bdf | 532 | case DW_LNE_set_discriminator: |
47704ddf | 533 | printf (_("set Discriminator to %s\n"), |
f6f0e17b | 534 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); |
ed4a4bdf CC |
535 | break; |
536 | ||
e2a0d921 NC |
537 | /* HP extensions. */ |
538 | case DW_LNE_HP_negate_is_UV_update: | |
ed4a4bdf | 539 | printf ("DW_LNE_HP_negate_is_UV_update\n"); |
e2a0d921 NC |
540 | break; |
541 | case DW_LNE_HP_push_context: | |
ed4a4bdf | 542 | printf ("DW_LNE_HP_push_context\n"); |
e2a0d921 NC |
543 | break; |
544 | case DW_LNE_HP_pop_context: | |
ed4a4bdf | 545 | printf ("DW_LNE_HP_pop_context\n"); |
e2a0d921 NC |
546 | break; |
547 | case DW_LNE_HP_set_file_line_column: | |
ed4a4bdf | 548 | printf ("DW_LNE_HP_set_file_line_column\n"); |
e2a0d921 NC |
549 | break; |
550 | case DW_LNE_HP_set_routine_name: | |
ed4a4bdf | 551 | printf ("DW_LNE_HP_set_routine_name\n"); |
e2a0d921 NC |
552 | break; |
553 | case DW_LNE_HP_set_sequence: | |
ed4a4bdf | 554 | printf ("DW_LNE_HP_set_sequence\n"); |
e2a0d921 NC |
555 | break; |
556 | case DW_LNE_HP_negate_post_semantics: | |
ed4a4bdf | 557 | printf ("DW_LNE_HP_negate_post_semantics\n"); |
e2a0d921 NC |
558 | break; |
559 | case DW_LNE_HP_negate_function_exit: | |
ed4a4bdf | 560 | printf ("DW_LNE_HP_negate_function_exit\n"); |
e2a0d921 NC |
561 | break; |
562 | case DW_LNE_HP_negate_front_end_logical: | |
ed4a4bdf | 563 | printf ("DW_LNE_HP_negate_front_end_logical\n"); |
e2a0d921 NC |
564 | break; |
565 | case DW_LNE_HP_define_proc: | |
ed4a4bdf | 566 | printf ("DW_LNE_HP_define_proc\n"); |
e2a0d921 | 567 | break; |
43294ab7 TG |
568 | case DW_LNE_HP_source_file_correlation: |
569 | { | |
b4eb7656 AM |
570 | unsigned char *edata = data + len - bytes_read - 1; |
571 | ||
572 | printf ("DW_LNE_HP_source_file_correlation\n"); | |
573 | ||
574 | while (data < edata) | |
575 | { | |
576 | unsigned int opc; | |
577 | ||
578 | opc = read_uleb128 (data, & bytes_read, edata); | |
579 | data += bytes_read; | |
580 | ||
581 | switch (opc) | |
582 | { | |
583 | case DW_LNE_HP_SFC_formfeed: | |
584 | printf (" DW_LNE_HP_SFC_formfeed\n"); | |
585 | break; | |
586 | case DW_LNE_HP_SFC_set_listing_line: | |
587 | printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n", | |
588 | dwarf_vmatoa ("u", | |
589 | read_uleb128 (data, & bytes_read, edata))); | |
590 | data += bytes_read; | |
591 | break; | |
592 | case DW_LNE_HP_SFC_associate: | |
593 | printf (" DW_LNE_HP_SFC_associate "); | |
594 | printf ("(%s", | |
595 | dwarf_vmatoa ("u", | |
596 | read_uleb128 (data, & bytes_read, edata))); | |
597 | data += bytes_read; | |
598 | printf (",%s", | |
599 | dwarf_vmatoa ("u", | |
600 | read_uleb128 (data, & bytes_read, edata))); | |
601 | data += bytes_read; | |
602 | printf (",%s)\n", | |
603 | dwarf_vmatoa ("u", | |
604 | read_uleb128 (data, & bytes_read, edata))); | |
605 | data += bytes_read; | |
606 | break; | |
607 | default: | |
608 | printf (_(" UNKNOWN DW_LNE_HP_SFC opcode (%u)\n"), opc); | |
609 | data = edata; | |
610 | break; | |
611 | } | |
612 | } | |
43294ab7 TG |
613 | } |
614 | break; | |
cecf136e | 615 | |
19e6b90e | 616 | default: |
7e665af3 | 617 | { |
b4eb7656 AM |
618 | unsigned int rlen = len - bytes_read - 1; |
619 | ||
620 | if (op_code >= DW_LNE_lo_user | |
621 | /* The test against DW_LNW_hi_user is redundant due to | |
622 | the limited range of the unsigned char data type used | |
623 | for op_code. */ | |
624 | /*&& op_code <= DW_LNE_hi_user*/) | |
625 | printf (_("user defined: ")); | |
626 | else | |
627 | printf (_("UNKNOWN: ")); | |
628 | printf (_("length %d ["), rlen); | |
629 | for (; rlen; rlen--) | |
630 | printf (" %02x", *data++); | |
631 | printf ("]\n"); | |
7e665af3 | 632 | } |
19e6b90e L |
633 | break; |
634 | } | |
635 | ||
636 | return len; | |
637 | } | |
638 | ||
0c588247 | 639 | static const unsigned char * |
467c65bc | 640 | fetch_indirect_string (dwarf_vma offset) |
19e6b90e L |
641 | { |
642 | struct dwarf_section *section = &debug_displays [str].section; | |
d949ff56 | 643 | const unsigned char * ret; |
19e6b90e L |
644 | |
645 | if (section->start == NULL) | |
0c588247 | 646 | return (const unsigned char *) _("<no .debug_str section>"); |
19e6b90e | 647 | |
d949ff56 | 648 | if (offset >= section->size) |
19e6b90e | 649 | { |
467c65bc NC |
650 | warn (_("DW_FORM_strp offset too big: %s\n"), |
651 | dwarf_vmatoa ("x", offset)); | |
0c588247 | 652 | return (const unsigned char *) _("<offset is too big>"); |
19e6b90e L |
653 | } |
654 | ||
d949ff56 NC |
655 | ret = section->start + offset; |
656 | /* Unfortunately we cannot rely upon the .debug_str section ending with a | |
657 | NUL byte. Since our caller is expecting to receive a well formed C | |
658 | string we test for the lack of a terminating byte here. */ | |
659 | if (strnlen ((const char *) ret, section->size - offset) | |
660 | == section->size - offset) | |
661 | ret = (const unsigned char *) | |
662 | _("<no NUL byte at end of .debug_str section>"); | |
663 | ||
664 | return ret; | |
19e6b90e L |
665 | } |
666 | ||
77145576 JK |
667 | static const unsigned char * |
668 | fetch_indirect_line_string (dwarf_vma offset) | |
669 | { | |
670 | struct dwarf_section *section = &debug_displays [line_str].section; | |
d949ff56 | 671 | const unsigned char * ret; |
77145576 JK |
672 | |
673 | if (section->start == NULL) | |
674 | return (const unsigned char *) _("<no .debug_line_str section>"); | |
675 | ||
d949ff56 | 676 | if (offset >= section->size) |
77145576 JK |
677 | { |
678 | warn (_("DW_FORM_line_strp offset too big: %s\n"), | |
679 | dwarf_vmatoa ("x", offset)); | |
680 | return (const unsigned char *) _("<offset is too big>"); | |
681 | } | |
682 | ||
d949ff56 NC |
683 | ret = section->start + offset; |
684 | /* Unfortunately we cannot rely upon the .debug_line_str section ending | |
685 | with a NUL byte. Since our caller is expecting to receive a well formed | |
686 | C string we test for the lack of a terminating byte here. */ | |
687 | if (strnlen ((const char *) ret, section->size - offset) | |
688 | == section->size - offset) | |
689 | ret = (const unsigned char *) | |
690 | _("<no NUL byte at end of .debug_line_str section>"); | |
691 | ||
692 | return ret; | |
77145576 JK |
693 | } |
694 | ||
4723351a | 695 | static const char * |
341f9135 CC |
696 | fetch_indexed_string (dwarf_vma idx, struct cu_tu_set *this_set, |
697 | dwarf_vma offset_size, int dwo) | |
4723351a CC |
698 | { |
699 | enum dwarf_section_display_enum str_sec_idx = dwo ? str_dwo : str; | |
700 | enum dwarf_section_display_enum idx_sec_idx = dwo ? str_index_dwo : str_index; | |
701 | struct dwarf_section *index_section = &debug_displays [idx_sec_idx].section; | |
702 | struct dwarf_section *str_section = &debug_displays [str_sec_idx].section; | |
703 | dwarf_vma index_offset = idx * offset_size; | |
704 | dwarf_vma str_offset; | |
d949ff56 | 705 | const char * ret; |
4723351a CC |
706 | |
707 | if (index_section->start == NULL) | |
708 | return (dwo ? _("<no .debug_str_offsets.dwo section>") | |
709 | : _("<no .debug_str_offsets section>")); | |
710 | ||
341f9135 CC |
711 | if (this_set != NULL) |
712 | index_offset += this_set->section_offsets [DW_SECT_STR_OFFSETS]; | |
d949ff56 | 713 | if (index_offset >= index_section->size) |
4723351a CC |
714 | { |
715 | warn (_("DW_FORM_GNU_str_index offset too big: %s\n"), | |
716 | dwarf_vmatoa ("x", index_offset)); | |
717 | return _("<index offset is too big>"); | |
718 | } | |
719 | ||
720 | if (str_section->start == NULL) | |
721 | return (dwo ? _("<no .debug_str.dwo section>") | |
722 | : _("<no .debug_str section>")); | |
723 | ||
724 | str_offset = byte_get (index_section->start + index_offset, offset_size); | |
725 | str_offset -= str_section->address; | |
d949ff56 | 726 | if (str_offset >= str_section->size) |
4723351a CC |
727 | { |
728 | warn (_("DW_FORM_GNU_str_index indirect offset too big: %s\n"), | |
729 | dwarf_vmatoa ("x", str_offset)); | |
730 | return _("<indirect index offset is too big>"); | |
731 | } | |
732 | ||
d949ff56 NC |
733 | ret = (const char *) str_section->start + str_offset; |
734 | /* Unfortunately we cannot rely upon str_section ending with a NUL byte. | |
735 | Since our caller is expecting to receive a well formed C string we test | |
736 | for the lack of a terminating byte here. */ | |
737 | if (strnlen (ret, str_section->size - str_offset) | |
738 | == str_section->size - str_offset) | |
739 | ret = (const char *) _("<no NUL byte at end of section>"); | |
740 | ||
741 | return ret; | |
4723351a CC |
742 | } |
743 | ||
744 | static const char * | |
745 | fetch_indexed_value (dwarf_vma offset, dwarf_vma bytes) | |
746 | { | |
747 | struct dwarf_section *section = &debug_displays [debug_addr].section; | |
748 | ||
749 | if (section->start == NULL) | |
750 | return (_("<no .debug_addr section>")); | |
751 | ||
752 | if (offset + bytes > section->size) | |
753 | { | |
754 | warn (_("Offset into section %s too big: %s\n"), | |
b4eb7656 | 755 | section->name, dwarf_vmatoa ("x", offset)); |
4723351a CC |
756 | return "<offset too big>"; |
757 | } | |
758 | ||
759 | return dwarf_vmatoa ("x", byte_get (section->start + offset, bytes)); | |
760 | } | |
761 | ||
762 | ||
19e6b90e L |
763 | /* FIXME: There are better and more efficient ways to handle |
764 | these structures. For now though, I just want something that | |
765 | is simple to implement. */ | |
766 | typedef struct abbrev_attr | |
767 | { | |
768 | unsigned long attribute; | |
769 | unsigned long form; | |
77145576 | 770 | bfd_signed_vma implicit_const; |
19e6b90e L |
771 | struct abbrev_attr *next; |
772 | } | |
773 | abbrev_attr; | |
774 | ||
775 | typedef struct abbrev_entry | |
776 | { | |
777 | unsigned long entry; | |
778 | unsigned long tag; | |
779 | int children; | |
780 | struct abbrev_attr *first_attr; | |
781 | struct abbrev_attr *last_attr; | |
782 | struct abbrev_entry *next; | |
783 | } | |
784 | abbrev_entry; | |
785 | ||
786 | static abbrev_entry *first_abbrev = NULL; | |
787 | static abbrev_entry *last_abbrev = NULL; | |
788 | ||
789 | static void | |
790 | free_abbrevs (void) | |
791 | { | |
91d6fa6a | 792 | abbrev_entry *abbrv; |
19e6b90e | 793 | |
91d6fa6a | 794 | for (abbrv = first_abbrev; abbrv;) |
19e6b90e | 795 | { |
91d6fa6a | 796 | abbrev_entry *next_abbrev = abbrv->next; |
19e6b90e L |
797 | abbrev_attr *attr; |
798 | ||
91d6fa6a | 799 | for (attr = abbrv->first_attr; attr;) |
19e6b90e | 800 | { |
91d6fa6a | 801 | abbrev_attr *next_attr = attr->next; |
19e6b90e L |
802 | |
803 | free (attr); | |
91d6fa6a | 804 | attr = next_attr; |
19e6b90e L |
805 | } |
806 | ||
91d6fa6a NC |
807 | free (abbrv); |
808 | abbrv = next_abbrev; | |
19e6b90e L |
809 | } |
810 | ||
811 | last_abbrev = first_abbrev = NULL; | |
812 | } | |
813 | ||
814 | static void | |
815 | add_abbrev (unsigned long number, unsigned long tag, int children) | |
816 | { | |
817 | abbrev_entry *entry; | |
818 | ||
3f5e193b | 819 | entry = (abbrev_entry *) malloc (sizeof (*entry)); |
19e6b90e L |
820 | if (entry == NULL) |
821 | /* ugg */ | |
822 | return; | |
823 | ||
824 | entry->entry = number; | |
825 | entry->tag = tag; | |
826 | entry->children = children; | |
827 | entry->first_attr = NULL; | |
828 | entry->last_attr = NULL; | |
829 | entry->next = NULL; | |
830 | ||
831 | if (first_abbrev == NULL) | |
832 | first_abbrev = entry; | |
833 | else | |
834 | last_abbrev->next = entry; | |
835 | ||
836 | last_abbrev = entry; | |
837 | } | |
838 | ||
839 | static void | |
77145576 JK |
840 | add_abbrev_attr (unsigned long attribute, unsigned long form, |
841 | bfd_signed_vma implicit_const) | |
19e6b90e L |
842 | { |
843 | abbrev_attr *attr; | |
844 | ||
3f5e193b | 845 | attr = (abbrev_attr *) malloc (sizeof (*attr)); |
19e6b90e L |
846 | if (attr == NULL) |
847 | /* ugg */ | |
848 | return; | |
849 | ||
850 | attr->attribute = attribute; | |
851 | attr->form = form; | |
77145576 | 852 | attr->implicit_const = implicit_const; |
19e6b90e L |
853 | attr->next = NULL; |
854 | ||
855 | if (last_abbrev->first_attr == NULL) | |
856 | last_abbrev->first_attr = attr; | |
857 | else | |
858 | last_abbrev->last_attr->next = attr; | |
859 | ||
860 | last_abbrev->last_attr = attr; | |
861 | } | |
862 | ||
863 | /* Processes the (partial) contents of a .debug_abbrev section. | |
864 | Returns NULL if the end of the section was encountered. | |
865 | Returns the address after the last byte read if the end of | |
866 | an abbreviation set was found. */ | |
867 | ||
868 | static unsigned char * | |
869 | process_abbrev_section (unsigned char *start, unsigned char *end) | |
870 | { | |
871 | if (first_abbrev != NULL) | |
872 | return NULL; | |
873 | ||
874 | while (start < end) | |
875 | { | |
876 | unsigned int bytes_read; | |
877 | unsigned long entry; | |
878 | unsigned long tag; | |
879 | unsigned long attribute; | |
880 | int children; | |
881 | ||
f6f0e17b | 882 | entry = read_uleb128 (start, & bytes_read, end); |
19e6b90e L |
883 | start += bytes_read; |
884 | ||
885 | /* A single zero is supposed to end the section according | |
886 | to the standard. If there's more, then signal that to | |
887 | the caller. */ | |
f6f0e17b NC |
888 | if (start == end) |
889 | return NULL; | |
19e6b90e | 890 | if (entry == 0) |
f6f0e17b | 891 | return start; |
19e6b90e | 892 | |
f6f0e17b | 893 | tag = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 894 | start += bytes_read; |
f6f0e17b NC |
895 | if (start == end) |
896 | return NULL; | |
19e6b90e L |
897 | |
898 | children = *start++; | |
899 | ||
900 | add_abbrev (entry, tag, children); | |
901 | ||
902 | do | |
903 | { | |
904 | unsigned long form; | |
77145576 JK |
905 | /* Initialize it due to a false compiler warning. */ |
906 | bfd_signed_vma implicit_const = -1; | |
19e6b90e | 907 | |
f6f0e17b | 908 | attribute = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 909 | start += bytes_read; |
f6f0e17b NC |
910 | if (start == end) |
911 | break; | |
19e6b90e | 912 | |
f6f0e17b | 913 | form = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 914 | start += bytes_read; |
f6f0e17b NC |
915 | if (start == end) |
916 | break; | |
19e6b90e | 917 | |
77145576 JK |
918 | if (form == DW_FORM_implicit_const) |
919 | { | |
920 | implicit_const = read_sleb128 (start, & bytes_read, end); | |
921 | start += bytes_read; | |
922 | if (start == end) | |
923 | break; | |
924 | } | |
925 | ||
926 | add_abbrev_attr (attribute, form, implicit_const); | |
19e6b90e L |
927 | } |
928 | while (attribute != 0); | |
929 | } | |
930 | ||
399c99f7 L |
931 | /* Report the missing single zero which ends the section. */ |
932 | error (_(".debug_abbrev section not zero terminated\n")); | |
933 | ||
19e6b90e L |
934 | return NULL; |
935 | } | |
936 | ||
a19c41a7 | 937 | static const char * |
19e6b90e L |
938 | get_TAG_name (unsigned long tag) |
939 | { | |
b9c361e0 | 940 | const char *name = get_DW_TAG_name ((unsigned int)tag); |
a19c41a7 TT |
941 | |
942 | if (name == NULL) | |
19e6b90e | 943 | { |
a19c41a7 | 944 | static char buffer[100]; |
19e6b90e | 945 | |
a19c41a7 TT |
946 | snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %lx"), tag); |
947 | return buffer; | |
19e6b90e | 948 | } |
a19c41a7 TT |
949 | |
950 | return name; | |
19e6b90e L |
951 | } |
952 | ||
a19c41a7 | 953 | static const char * |
19e6b90e L |
954 | get_FORM_name (unsigned long form) |
955 | { | |
399c99f7 | 956 | const char *name; |
bf5117e3 | 957 | |
399c99f7 L |
958 | if (form == 0) |
959 | return "DW_FORM value: 0"; | |
a19c41a7 | 960 | |
399c99f7 | 961 | name = get_DW_FORM_name (form); |
a19c41a7 | 962 | if (name == NULL) |
19e6b90e | 963 | { |
a19c41a7 | 964 | static char buffer[100]; |
19e6b90e | 965 | |
a19c41a7 TT |
966 | snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form); |
967 | return buffer; | |
19e6b90e | 968 | } |
a19c41a7 TT |
969 | |
970 | return name; | |
19e6b90e L |
971 | } |
972 | ||
61364358 JK |
973 | static const char * |
974 | get_IDX_name (unsigned long idx) | |
975 | { | |
976 | const char *name = get_DW_IDX_name ((unsigned int) idx); | |
977 | ||
978 | if (name == NULL) | |
979 | { | |
980 | static char buffer[100]; | |
981 | ||
982 | snprintf (buffer, sizeof (buffer), _("Unknown IDX value: %lx"), idx); | |
983 | return buffer; | |
984 | } | |
985 | ||
986 | return name; | |
987 | } | |
988 | ||
19e6b90e | 989 | static unsigned char * |
0c588247 NC |
990 | display_block (unsigned char *data, |
991 | dwarf_vma length, | |
ef0b5f1c | 992 | const unsigned char * const end, char delimiter) |
19e6b90e | 993 | { |
0c588247 NC |
994 | dwarf_vma maxlen; |
995 | ||
ef0b5f1c | 996 | printf (_("%c%s byte block: "), delimiter, dwarf_vmatoa ("u", length)); |
a1165289 NC |
997 | if (data > end) |
998 | return (unsigned char *) end; | |
19e6b90e | 999 | |
0c588247 NC |
1000 | maxlen = (dwarf_vma) (end - data); |
1001 | length = length > maxlen ? maxlen : length; | |
1002 | ||
19e6b90e L |
1003 | while (length --) |
1004 | printf ("%lx ", (unsigned long) byte_get (data++, 1)); | |
1005 | ||
1006 | return data; | |
1007 | } | |
1008 | ||
1009 | static int | |
1010 | decode_location_expression (unsigned char * data, | |
1011 | unsigned int pointer_size, | |
b7807392 JJ |
1012 | unsigned int offset_size, |
1013 | int dwarf_version, | |
467c65bc NC |
1014 | dwarf_vma length, |
1015 | dwarf_vma cu_offset, | |
f1c4cc75 | 1016 | struct dwarf_section * section) |
19e6b90e L |
1017 | { |
1018 | unsigned op; | |
1019 | unsigned int bytes_read; | |
467c65bc | 1020 | dwarf_vma uvalue; |
0c588247 | 1021 | dwarf_signed_vma svalue; |
19e6b90e L |
1022 | unsigned char *end = data + length; |
1023 | int need_frame_base = 0; | |
1024 | ||
1025 | while (data < end) | |
1026 | { | |
1027 | op = *data++; | |
1028 | ||
1029 | switch (op) | |
1030 | { | |
1031 | case DW_OP_addr: | |
0c588247 NC |
1032 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
1033 | printf ("DW_OP_addr: %s", dwarf_vmatoa ("x", uvalue)); | |
19e6b90e L |
1034 | break; |
1035 | case DW_OP_deref: | |
1036 | printf ("DW_OP_deref"); | |
1037 | break; | |
1038 | case DW_OP_const1u: | |
0c588247 NC |
1039 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1040 | printf ("DW_OP_const1u: %lu", (unsigned long) uvalue); | |
19e6b90e L |
1041 | break; |
1042 | case DW_OP_const1s: | |
0c588247 NC |
1043 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 1, end); |
1044 | printf ("DW_OP_const1s: %ld", (long) svalue); | |
19e6b90e L |
1045 | break; |
1046 | case DW_OP_const2u: | |
87bc83b3 | 1047 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
0c588247 | 1048 | printf ("DW_OP_const2u: %lu", (unsigned long) uvalue); |
19e6b90e L |
1049 | break; |
1050 | case DW_OP_const2s: | |
0c588247 NC |
1051 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1052 | printf ("DW_OP_const2s: %ld", (long) svalue); | |
19e6b90e L |
1053 | break; |
1054 | case DW_OP_const4u: | |
0c588247 NC |
1055 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
1056 | printf ("DW_OP_const4u: %lu", (unsigned long) uvalue); | |
19e6b90e L |
1057 | break; |
1058 | case DW_OP_const4s: | |
0c588247 NC |
1059 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
1060 | printf ("DW_OP_const4s: %ld", (long) svalue); | |
19e6b90e L |
1061 | break; |
1062 | case DW_OP_const8u: | |
0c588247 NC |
1063 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
1064 | printf ("DW_OP_const8u: %lu ", (unsigned long) uvalue); | |
1065 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); | |
1066 | printf ("%lu", (unsigned long) uvalue); | |
19e6b90e L |
1067 | break; |
1068 | case DW_OP_const8s: | |
0c588247 NC |
1069 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
1070 | printf ("DW_OP_const8s: %ld ", (long) svalue); | |
1071 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); | |
1072 | printf ("%ld", (long) svalue); | |
19e6b90e L |
1073 | break; |
1074 | case DW_OP_constu: | |
467c65bc | 1075 | printf ("DW_OP_constu: %s", |
f6f0e17b | 1076 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
1077 | data += bytes_read; |
1078 | break; | |
1079 | case DW_OP_consts: | |
467c65bc | 1080 | printf ("DW_OP_consts: %s", |
f6f0e17b | 1081 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1082 | data += bytes_read; |
1083 | break; | |
1084 | case DW_OP_dup: | |
1085 | printf ("DW_OP_dup"); | |
1086 | break; | |
1087 | case DW_OP_drop: | |
1088 | printf ("DW_OP_drop"); | |
1089 | break; | |
1090 | case DW_OP_over: | |
1091 | printf ("DW_OP_over"); | |
1092 | break; | |
1093 | case DW_OP_pick: | |
0c588247 NC |
1094 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1095 | printf ("DW_OP_pick: %ld", (unsigned long) uvalue); | |
19e6b90e L |
1096 | break; |
1097 | case DW_OP_swap: | |
1098 | printf ("DW_OP_swap"); | |
1099 | break; | |
1100 | case DW_OP_rot: | |
1101 | printf ("DW_OP_rot"); | |
1102 | break; | |
1103 | case DW_OP_xderef: | |
1104 | printf ("DW_OP_xderef"); | |
1105 | break; | |
1106 | case DW_OP_abs: | |
1107 | printf ("DW_OP_abs"); | |
1108 | break; | |
1109 | case DW_OP_and: | |
1110 | printf ("DW_OP_and"); | |
1111 | break; | |
1112 | case DW_OP_div: | |
1113 | printf ("DW_OP_div"); | |
1114 | break; | |
1115 | case DW_OP_minus: | |
1116 | printf ("DW_OP_minus"); | |
1117 | break; | |
1118 | case DW_OP_mod: | |
1119 | printf ("DW_OP_mod"); | |
1120 | break; | |
1121 | case DW_OP_mul: | |
1122 | printf ("DW_OP_mul"); | |
1123 | break; | |
1124 | case DW_OP_neg: | |
1125 | printf ("DW_OP_neg"); | |
1126 | break; | |
1127 | case DW_OP_not: | |
1128 | printf ("DW_OP_not"); | |
1129 | break; | |
1130 | case DW_OP_or: | |
1131 | printf ("DW_OP_or"); | |
1132 | break; | |
1133 | case DW_OP_plus: | |
1134 | printf ("DW_OP_plus"); | |
1135 | break; | |
1136 | case DW_OP_plus_uconst: | |
467c65bc | 1137 | printf ("DW_OP_plus_uconst: %s", |
f6f0e17b | 1138 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
1139 | data += bytes_read; |
1140 | break; | |
1141 | case DW_OP_shl: | |
1142 | printf ("DW_OP_shl"); | |
1143 | break; | |
1144 | case DW_OP_shr: | |
1145 | printf ("DW_OP_shr"); | |
1146 | break; | |
1147 | case DW_OP_shra: | |
1148 | printf ("DW_OP_shra"); | |
1149 | break; | |
1150 | case DW_OP_xor: | |
1151 | printf ("DW_OP_xor"); | |
1152 | break; | |
1153 | case DW_OP_bra: | |
0c588247 NC |
1154 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1155 | printf ("DW_OP_bra: %ld", (long) svalue); | |
19e6b90e L |
1156 | break; |
1157 | case DW_OP_eq: | |
1158 | printf ("DW_OP_eq"); | |
1159 | break; | |
1160 | case DW_OP_ge: | |
1161 | printf ("DW_OP_ge"); | |
1162 | break; | |
1163 | case DW_OP_gt: | |
1164 | printf ("DW_OP_gt"); | |
1165 | break; | |
1166 | case DW_OP_le: | |
1167 | printf ("DW_OP_le"); | |
1168 | break; | |
1169 | case DW_OP_lt: | |
1170 | printf ("DW_OP_lt"); | |
1171 | break; | |
1172 | case DW_OP_ne: | |
1173 | printf ("DW_OP_ne"); | |
1174 | break; | |
1175 | case DW_OP_skip: | |
0c588247 NC |
1176 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1177 | printf ("DW_OP_skip: %ld", (long) svalue); | |
19e6b90e L |
1178 | break; |
1179 | ||
1180 | case DW_OP_lit0: | |
1181 | case DW_OP_lit1: | |
1182 | case DW_OP_lit2: | |
1183 | case DW_OP_lit3: | |
1184 | case DW_OP_lit4: | |
1185 | case DW_OP_lit5: | |
1186 | case DW_OP_lit6: | |
1187 | case DW_OP_lit7: | |
1188 | case DW_OP_lit8: | |
1189 | case DW_OP_lit9: | |
1190 | case DW_OP_lit10: | |
1191 | case DW_OP_lit11: | |
1192 | case DW_OP_lit12: | |
1193 | case DW_OP_lit13: | |
1194 | case DW_OP_lit14: | |
1195 | case DW_OP_lit15: | |
1196 | case DW_OP_lit16: | |
1197 | case DW_OP_lit17: | |
1198 | case DW_OP_lit18: | |
1199 | case DW_OP_lit19: | |
1200 | case DW_OP_lit20: | |
1201 | case DW_OP_lit21: | |
1202 | case DW_OP_lit22: | |
1203 | case DW_OP_lit23: | |
1204 | case DW_OP_lit24: | |
1205 | case DW_OP_lit25: | |
1206 | case DW_OP_lit26: | |
1207 | case DW_OP_lit27: | |
1208 | case DW_OP_lit28: | |
1209 | case DW_OP_lit29: | |
1210 | case DW_OP_lit30: | |
1211 | case DW_OP_lit31: | |
1212 | printf ("DW_OP_lit%d", op - DW_OP_lit0); | |
1213 | break; | |
1214 | ||
1215 | case DW_OP_reg0: | |
1216 | case DW_OP_reg1: | |
1217 | case DW_OP_reg2: | |
1218 | case DW_OP_reg3: | |
1219 | case DW_OP_reg4: | |
1220 | case DW_OP_reg5: | |
1221 | case DW_OP_reg6: | |
1222 | case DW_OP_reg7: | |
1223 | case DW_OP_reg8: | |
1224 | case DW_OP_reg9: | |
1225 | case DW_OP_reg10: | |
1226 | case DW_OP_reg11: | |
1227 | case DW_OP_reg12: | |
1228 | case DW_OP_reg13: | |
1229 | case DW_OP_reg14: | |
1230 | case DW_OP_reg15: | |
1231 | case DW_OP_reg16: | |
1232 | case DW_OP_reg17: | |
1233 | case DW_OP_reg18: | |
1234 | case DW_OP_reg19: | |
1235 | case DW_OP_reg20: | |
1236 | case DW_OP_reg21: | |
1237 | case DW_OP_reg22: | |
1238 | case DW_OP_reg23: | |
1239 | case DW_OP_reg24: | |
1240 | case DW_OP_reg25: | |
1241 | case DW_OP_reg26: | |
1242 | case DW_OP_reg27: | |
1243 | case DW_OP_reg28: | |
1244 | case DW_OP_reg29: | |
1245 | case DW_OP_reg30: | |
1246 | case DW_OP_reg31: | |
18464d4d JK |
1247 | printf ("DW_OP_reg%d (%s)", op - DW_OP_reg0, |
1248 | regname (op - DW_OP_reg0, 1)); | |
19e6b90e L |
1249 | break; |
1250 | ||
1251 | case DW_OP_breg0: | |
1252 | case DW_OP_breg1: | |
1253 | case DW_OP_breg2: | |
1254 | case DW_OP_breg3: | |
1255 | case DW_OP_breg4: | |
1256 | case DW_OP_breg5: | |
1257 | case DW_OP_breg6: | |
1258 | case DW_OP_breg7: | |
1259 | case DW_OP_breg8: | |
1260 | case DW_OP_breg9: | |
1261 | case DW_OP_breg10: | |
1262 | case DW_OP_breg11: | |
1263 | case DW_OP_breg12: | |
1264 | case DW_OP_breg13: | |
1265 | case DW_OP_breg14: | |
1266 | case DW_OP_breg15: | |
1267 | case DW_OP_breg16: | |
1268 | case DW_OP_breg17: | |
1269 | case DW_OP_breg18: | |
1270 | case DW_OP_breg19: | |
1271 | case DW_OP_breg20: | |
1272 | case DW_OP_breg21: | |
1273 | case DW_OP_breg22: | |
1274 | case DW_OP_breg23: | |
1275 | case DW_OP_breg24: | |
1276 | case DW_OP_breg25: | |
1277 | case DW_OP_breg26: | |
1278 | case DW_OP_breg27: | |
1279 | case DW_OP_breg28: | |
1280 | case DW_OP_breg29: | |
1281 | case DW_OP_breg30: | |
1282 | case DW_OP_breg31: | |
467c65bc | 1283 | printf ("DW_OP_breg%d (%s): %s", |
47704ddf | 1284 | op - DW_OP_breg0, |
18464d4d | 1285 | regname (op - DW_OP_breg0, 1), |
f6f0e17b | 1286 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1287 | data += bytes_read; |
1288 | break; | |
1289 | ||
1290 | case DW_OP_regx: | |
f6f0e17b | 1291 | uvalue = read_uleb128 (data, &bytes_read, end); |
19e6b90e | 1292 | data += bytes_read; |
467c65bc NC |
1293 | printf ("DW_OP_regx: %s (%s)", |
1294 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); | |
19e6b90e L |
1295 | break; |
1296 | case DW_OP_fbreg: | |
1297 | need_frame_base = 1; | |
467c65bc | 1298 | printf ("DW_OP_fbreg: %s", |
f6f0e17b | 1299 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1300 | data += bytes_read; |
1301 | break; | |
1302 | case DW_OP_bregx: | |
f6f0e17b | 1303 | uvalue = read_uleb128 (data, &bytes_read, end); |
19e6b90e | 1304 | data += bytes_read; |
467c65bc NC |
1305 | printf ("DW_OP_bregx: %s (%s) %s", |
1306 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1), | |
f6f0e17b | 1307 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1308 | data += bytes_read; |
1309 | break; | |
1310 | case DW_OP_piece: | |
467c65bc | 1311 | printf ("DW_OP_piece: %s", |
f6f0e17b | 1312 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
1313 | data += bytes_read; |
1314 | break; | |
1315 | case DW_OP_deref_size: | |
0c588247 NC |
1316 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1317 | printf ("DW_OP_deref_size: %ld", (long) uvalue); | |
19e6b90e L |
1318 | break; |
1319 | case DW_OP_xderef_size: | |
0c588247 NC |
1320 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1321 | printf ("DW_OP_xderef_size: %ld", (long) uvalue); | |
19e6b90e L |
1322 | break; |
1323 | case DW_OP_nop: | |
1324 | printf ("DW_OP_nop"); | |
1325 | break; | |
1326 | ||
1327 | /* DWARF 3 extensions. */ | |
1328 | case DW_OP_push_object_address: | |
1329 | printf ("DW_OP_push_object_address"); | |
1330 | break; | |
1331 | case DW_OP_call2: | |
1332 | /* XXX: Strictly speaking for 64-bit DWARF3 files | |
1333 | this ought to be an 8-byte wide computation. */ | |
0c588247 | 1334 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
467c65bc | 1335 | printf ("DW_OP_call2: <0x%s>", |
0c588247 | 1336 | dwarf_vmatoa ("x", svalue + cu_offset)); |
19e6b90e L |
1337 | break; |
1338 | case DW_OP_call4: | |
1339 | /* XXX: Strictly speaking for 64-bit DWARF3 files | |
1340 | this ought to be an 8-byte wide computation. */ | |
0c588247 | 1341 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
467c65bc | 1342 | printf ("DW_OP_call4: <0x%s>", |
0c588247 | 1343 | dwarf_vmatoa ("x", svalue + cu_offset)); |
19e6b90e L |
1344 | break; |
1345 | case DW_OP_call_ref: | |
e2a0d921 NC |
1346 | /* XXX: Strictly speaking for 64-bit DWARF3 files |
1347 | this ought to be an 8-byte wide computation. */ | |
b7807392 JJ |
1348 | if (dwarf_version == -1) |
1349 | { | |
1350 | printf (_("(DW_OP_call_ref in frame info)")); | |
1351 | /* No way to tell where the next op is, so just bail. */ | |
1352 | return need_frame_base; | |
1353 | } | |
1354 | if (dwarf_version == 2) | |
1355 | { | |
0c588247 | 1356 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
b7807392 JJ |
1357 | } |
1358 | else | |
1359 | { | |
0c588247 | 1360 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
b7807392 | 1361 | } |
0c588247 | 1362 | printf ("DW_OP_call_ref: <0x%s>", dwarf_vmatoa ("x", uvalue)); |
19e6b90e | 1363 | break; |
a87b0a59 NS |
1364 | case DW_OP_form_tls_address: |
1365 | printf ("DW_OP_form_tls_address"); | |
1366 | break; | |
e2a0d921 NC |
1367 | case DW_OP_call_frame_cfa: |
1368 | printf ("DW_OP_call_frame_cfa"); | |
1369 | break; | |
1370 | case DW_OP_bit_piece: | |
1371 | printf ("DW_OP_bit_piece: "); | |
9cf03b7e | 1372 | printf (_("size: %s "), |
f6f0e17b | 1373 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
e2a0d921 | 1374 | data += bytes_read; |
9cf03b7e | 1375 | printf (_("offset: %s "), |
f6f0e17b | 1376 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
e2a0d921 NC |
1377 | data += bytes_read; |
1378 | break; | |
19e6b90e | 1379 | |
3244e8f5 JJ |
1380 | /* DWARF 4 extensions. */ |
1381 | case DW_OP_stack_value: | |
1382 | printf ("DW_OP_stack_value"); | |
1383 | break; | |
1384 | ||
1385 | case DW_OP_implicit_value: | |
1386 | printf ("DW_OP_implicit_value"); | |
f6f0e17b | 1387 | uvalue = read_uleb128 (data, &bytes_read, end); |
3244e8f5 | 1388 | data += bytes_read; |
ef0b5f1c | 1389 | data = display_block (data, uvalue, end, ' '); |
3244e8f5 JJ |
1390 | break; |
1391 | ||
19e6b90e L |
1392 | /* GNU extensions. */ |
1393 | case DW_OP_GNU_push_tls_address: | |
9cf03b7e | 1394 | printf (_("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown")); |
e2a0d921 NC |
1395 | break; |
1396 | case DW_OP_GNU_uninit: | |
1397 | printf ("DW_OP_GNU_uninit"); | |
1398 | /* FIXME: Is there data associated with this OP ? */ | |
1399 | break; | |
f1c4cc75 RH |
1400 | case DW_OP_GNU_encoded_addr: |
1401 | { | |
6937bb54 | 1402 | int encoding = 0; |
f1c4cc75 | 1403 | dwarf_vma addr; |
467c65bc | 1404 | |
6937bb54 NC |
1405 | if (data < end) |
1406 | encoding = *data++; | |
041830e0 | 1407 | addr = get_encoded_value (&data, encoding, section, end); |
f1c4cc75 RH |
1408 | |
1409 | printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding); | |
1410 | print_dwarf_vma (addr, pointer_size); | |
1411 | } | |
1412 | break; | |
bc0a77d2 | 1413 | case DW_OP_implicit_pointer: |
b7807392 JJ |
1414 | case DW_OP_GNU_implicit_pointer: |
1415 | /* XXX: Strictly speaking for 64-bit DWARF3 files | |
1416 | this ought to be an 8-byte wide computation. */ | |
1417 | if (dwarf_version == -1) | |
1418 | { | |
bc0a77d2 JK |
1419 | printf (_("(%s in frame info)"), |
1420 | (op == DW_OP_implicit_pointer | |
1421 | ? "DW_OP_implicit_pointer" | |
1422 | : "DW_OP_GNU_implicit_pointer")); | |
b7807392 JJ |
1423 | /* No way to tell where the next op is, so just bail. */ |
1424 | return need_frame_base; | |
1425 | } | |
1426 | if (dwarf_version == 2) | |
1427 | { | |
0c588247 | 1428 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
b7807392 JJ |
1429 | } |
1430 | else | |
1431 | { | |
0c588247 | 1432 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
b7807392 | 1433 | } |
bc0a77d2 JK |
1434 | printf ("%s: <0x%s> %s", |
1435 | (op == DW_OP_implicit_pointer | |
1436 | ? "DW_OP_implicit_pointer" : "DW_OP_GNU_implicit_pointer"), | |
0c588247 NC |
1437 | dwarf_vmatoa ("x", uvalue), |
1438 | dwarf_vmatoa ("d", read_sleb128 (data, | |
1439 | &bytes_read, end))); | |
1440 | data += bytes_read; | |
b7807392 | 1441 | break; |
77145576 | 1442 | case DW_OP_entry_value: |
0892011d | 1443 | case DW_OP_GNU_entry_value: |
f6f0e17b | 1444 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1445 | data += bytes_read; |
058037d3 NC |
1446 | /* PR 17531: file: 0cc9cd00. */ |
1447 | if (uvalue > (dwarf_vma) (end - data)) | |
1448 | uvalue = end - data; | |
77145576 JK |
1449 | printf ("%s: (", (op == DW_OP_entry_value ? "DW_OP_entry_value" |
1450 | : "DW_OP_GNU_entry_value")); | |
0892011d JJ |
1451 | if (decode_location_expression (data, pointer_size, offset_size, |
1452 | dwarf_version, uvalue, | |
1453 | cu_offset, section)) | |
1454 | need_frame_base = 1; | |
1455 | putchar (')'); | |
1456 | data += uvalue; | |
6937bb54 NC |
1457 | if (data > end) |
1458 | data = end; | |
0892011d | 1459 | break; |
bc0a77d2 | 1460 | case DW_OP_const_type: |
0892011d | 1461 | case DW_OP_GNU_const_type: |
f6f0e17b | 1462 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1463 | data += bytes_read; |
bc0a77d2 JK |
1464 | printf ("%s: <0x%s> ", |
1465 | (op == DW_OP_const_type ? "DW_OP_const_type" | |
1466 | : "DW_OP_GNU_const_type"), | |
0892011d | 1467 | dwarf_vmatoa ("x", cu_offset + uvalue)); |
0c588247 | 1468 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
ef0b5f1c | 1469 | data = display_block (data, uvalue, end, ' '); |
0892011d | 1470 | break; |
bc0a77d2 | 1471 | case DW_OP_regval_type: |
0892011d | 1472 | case DW_OP_GNU_regval_type: |
f6f0e17b | 1473 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1474 | data += bytes_read; |
bc0a77d2 JK |
1475 | printf ("%s: %s (%s)", |
1476 | (op == DW_OP_regval_type ? "DW_OP_regval_type" | |
1477 | : "DW_OP_GNU_regval_type"), | |
0892011d | 1478 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); |
f6f0e17b | 1479 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1480 | data += bytes_read; |
1481 | printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); | |
1482 | break; | |
bc0a77d2 | 1483 | case DW_OP_deref_type: |
0892011d | 1484 | case DW_OP_GNU_deref_type: |
0c588247 | 1485 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
bc0a77d2 JK |
1486 | printf ("%s: %ld", |
1487 | (op == DW_OP_deref_type ? "DW_OP_deref_type" | |
1488 | : "DW_OP_GNU_deref_type"), | |
1489 | (long) uvalue); | |
f6f0e17b | 1490 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1491 | data += bytes_read; |
1492 | printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); | |
1493 | break; | |
bc0a77d2 | 1494 | case DW_OP_convert: |
0892011d | 1495 | case DW_OP_GNU_convert: |
f6f0e17b | 1496 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1497 | data += bytes_read; |
bc0a77d2 JK |
1498 | printf ("%s <0x%s>", |
1499 | (op == DW_OP_convert ? "DW_OP_convert" : "DW_OP_GNU_convert"), | |
f8b999f9 | 1500 | dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0)); |
0892011d | 1501 | break; |
bc0a77d2 | 1502 | case DW_OP_reinterpret: |
0892011d | 1503 | case DW_OP_GNU_reinterpret: |
f6f0e17b | 1504 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1505 | data += bytes_read; |
bc0a77d2 JK |
1506 | printf ("%s <0x%s>", |
1507 | (op == DW_OP_reinterpret ? "DW_OP_reinterpret" | |
1508 | : "DW_OP_GNU_reinterpret"), | |
f8b999f9 JJ |
1509 | dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0)); |
1510 | break; | |
1511 | case DW_OP_GNU_parameter_ref: | |
0c588247 | 1512 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
f8b999f9 | 1513 | printf ("DW_OP_GNU_parameter_ref: <0x%s>", |
0c588247 | 1514 | dwarf_vmatoa ("x", cu_offset + uvalue)); |
0892011d | 1515 | break; |
b4eb7656 AM |
1516 | case DW_OP_GNU_addr_index: |
1517 | uvalue = read_uleb128 (data, &bytes_read, end); | |
1518 | data += bytes_read; | |
1519 | printf ("DW_OP_GNU_addr_index <0x%s>", dwarf_vmatoa ("x", uvalue)); | |
1520 | break; | |
1521 | case DW_OP_GNU_const_index: | |
1522 | uvalue = read_uleb128 (data, &bytes_read, end); | |
1523 | data += bytes_read; | |
1524 | printf ("DW_OP_GNU_const_index <0x%s>", dwarf_vmatoa ("x", uvalue)); | |
1525 | break; | |
e2a0d921 NC |
1526 | |
1527 | /* HP extensions. */ | |
1528 | case DW_OP_HP_is_value: | |
1529 | printf ("DW_OP_HP_is_value"); | |
1530 | /* FIXME: Is there data associated with this OP ? */ | |
1531 | break; | |
1532 | case DW_OP_HP_fltconst4: | |
1533 | printf ("DW_OP_HP_fltconst4"); | |
1534 | /* FIXME: Is there data associated with this OP ? */ | |
1535 | break; | |
1536 | case DW_OP_HP_fltconst8: | |
1537 | printf ("DW_OP_HP_fltconst8"); | |
1538 | /* FIXME: Is there data associated with this OP ? */ | |
1539 | break; | |
1540 | case DW_OP_HP_mod_range: | |
1541 | printf ("DW_OP_HP_mod_range"); | |
1542 | /* FIXME: Is there data associated with this OP ? */ | |
1543 | break; | |
1544 | case DW_OP_HP_unmod_range: | |
1545 | printf ("DW_OP_HP_unmod_range"); | |
1546 | /* FIXME: Is there data associated with this OP ? */ | |
1547 | break; | |
1548 | case DW_OP_HP_tls: | |
1549 | printf ("DW_OP_HP_tls"); | |
1550 | /* FIXME: Is there data associated with this OP ? */ | |
19e6b90e L |
1551 | break; |
1552 | ||
35d60fe4 NC |
1553 | /* PGI (STMicroelectronics) extensions. */ |
1554 | case DW_OP_PGI_omp_thread_num: | |
1555 | /* Pushes the thread number for the current thread as it would be | |
1556 | returned by the standard OpenMP library function: | |
1557 | omp_get_thread_num(). The "current thread" is the thread for | |
1558 | which the expression is being evaluated. */ | |
1559 | printf ("DW_OP_PGI_omp_thread_num"); | |
1560 | break; | |
1561 | ||
19e6b90e L |
1562 | default: |
1563 | if (op >= DW_OP_lo_user | |
1564 | && op <= DW_OP_hi_user) | |
0502a2b4 | 1565 | printf (_("(User defined location op 0x%x)"), op); |
19e6b90e | 1566 | else |
0502a2b4 | 1567 | printf (_("(Unknown location op 0x%x)"), op); |
19e6b90e L |
1568 | /* No way to tell where the next op is, so just bail. */ |
1569 | return need_frame_base; | |
1570 | } | |
1571 | ||
1572 | /* Separate the ops. */ | |
1573 | if (data < end) | |
1574 | printf ("; "); | |
1575 | } | |
1576 | ||
1577 | return need_frame_base; | |
1578 | } | |
1579 | ||
341f9135 CC |
1580 | /* Find the CU or TU set corresponding to the given CU_OFFSET. |
1581 | This is used for DWARF package files. */ | |
1582 | ||
1583 | static struct cu_tu_set * | |
1584 | find_cu_tu_set_v2 (dwarf_vma cu_offset, int do_types) | |
1585 | { | |
1586 | struct cu_tu_set *p; | |
1587 | unsigned int nsets; | |
1588 | unsigned int dw_sect; | |
1589 | ||
1590 | if (do_types) | |
1591 | { | |
1592 | p = tu_sets; | |
1593 | nsets = tu_count; | |
1594 | dw_sect = DW_SECT_TYPES; | |
1595 | } | |
1596 | else | |
1597 | { | |
1598 | p = cu_sets; | |
1599 | nsets = cu_count; | |
1600 | dw_sect = DW_SECT_INFO; | |
1601 | } | |
1602 | while (nsets > 0) | |
1603 | { | |
1604 | if (p->section_offsets [dw_sect] == cu_offset) | |
1605 | return p; | |
1606 | p++; | |
1607 | nsets--; | |
1608 | } | |
1609 | return NULL; | |
1610 | } | |
1611 | ||
a69c4772 NC |
1612 | /* Add INC to HIGH_BITS:LOW_BITS. */ |
1613 | static void | |
1614 | add64 (dwarf_vma * high_bits, dwarf_vma * low_bits, dwarf_vma inc) | |
1615 | { | |
1616 | dwarf_vma tmp = * low_bits; | |
1617 | ||
1618 | tmp += inc; | |
1619 | ||
1620 | /* FIXME: There is probably a better way of handling this: | |
1621 | ||
1622 | We need to cope with dwarf_vma being a 32-bit or 64-bit | |
1623 | type. Plus regardless of its size LOW_BITS is meant to | |
1624 | only hold 32-bits, so if there is overflow or wrap around | |
1625 | we must propagate into HIGH_BITS. */ | |
1626 | if (tmp < * low_bits) | |
1627 | { | |
1628 | ++ * high_bits; | |
1629 | } | |
1630 | else if (sizeof (tmp) > 8 | |
1631 | && (tmp >> 31) > 1) | |
1632 | { | |
1633 | ++ * high_bits; | |
1634 | tmp &= 0xFFFFFFFF; | |
1635 | } | |
1636 | ||
1637 | * low_bits = tmp; | |
1638 | } | |
1639 | ||
19e6b90e | 1640 | static unsigned char * |
6e3d6dc1 NC |
1641 | read_and_display_attr_value (unsigned long attribute, |
1642 | unsigned long form, | |
77145576 | 1643 | dwarf_signed_vma implicit_const, |
ec4d4525 | 1644 | unsigned char * data, |
f6f0e17b | 1645 | unsigned char * end, |
467c65bc NC |
1646 | dwarf_vma cu_offset, |
1647 | dwarf_vma pointer_size, | |
1648 | dwarf_vma offset_size, | |
6e3d6dc1 NC |
1649 | int dwarf_version, |
1650 | debug_info * debug_info_p, | |
1651 | int do_loc, | |
341f9135 | 1652 | struct dwarf_section * section, |
ef0b5f1c | 1653 | struct cu_tu_set * this_set, char delimiter) |
19e6b90e | 1654 | { |
467c65bc | 1655 | dwarf_vma uvalue = 0; |
19e6b90e | 1656 | unsigned char *block_start = NULL; |
6e3d6dc1 | 1657 | unsigned char * orig_data = data; |
19e6b90e L |
1658 | unsigned int bytes_read; |
1659 | ||
f41e4712 | 1660 | if (data > end || (data == end && form != DW_FORM_flag_present)) |
0c588247 | 1661 | { |
f41e4712 | 1662 | warn (_("Corrupt attribute\n")); |
0c588247 NC |
1663 | return data; |
1664 | } | |
1665 | ||
19e6b90e L |
1666 | switch (form) |
1667 | { | |
1668 | default: | |
1669 | break; | |
1670 | ||
1671 | case DW_FORM_ref_addr: | |
1672 | if (dwarf_version == 2) | |
0c588247 | 1673 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
932fd279 | 1674 | else if (dwarf_version == 3 || dwarf_version == 4) |
0c588247 | 1675 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
19e6b90e | 1676 | else |
467c65bc NC |
1677 | error (_("Internal error: DWARF version is not 2, 3 or 4.\n")); |
1678 | ||
19e6b90e L |
1679 | break; |
1680 | ||
1681 | case DW_FORM_addr: | |
0c588247 | 1682 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
19e6b90e L |
1683 | break; |
1684 | ||
1685 | case DW_FORM_strp: | |
77145576 | 1686 | case DW_FORM_line_strp: |
932fd279 | 1687 | case DW_FORM_sec_offset: |
a081f3cd JJ |
1688 | case DW_FORM_GNU_ref_alt: |
1689 | case DW_FORM_GNU_strp_alt: | |
0c588247 | 1690 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
19e6b90e L |
1691 | break; |
1692 | ||
932fd279 JJ |
1693 | case DW_FORM_flag_present: |
1694 | uvalue = 1; | |
1695 | break; | |
1696 | ||
19e6b90e L |
1697 | case DW_FORM_ref1: |
1698 | case DW_FORM_flag: | |
1699 | case DW_FORM_data1: | |
0c588247 | 1700 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
19e6b90e L |
1701 | break; |
1702 | ||
1703 | case DW_FORM_ref2: | |
1704 | case DW_FORM_data2: | |
0c588247 | 1705 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
19e6b90e L |
1706 | break; |
1707 | ||
1708 | case DW_FORM_ref4: | |
1709 | case DW_FORM_data4: | |
0c588247 | 1710 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
19e6b90e L |
1711 | break; |
1712 | ||
1713 | case DW_FORM_sdata: | |
f6f0e17b | 1714 | uvalue = read_sleb128 (data, & bytes_read, end); |
19e6b90e L |
1715 | data += bytes_read; |
1716 | break; | |
1717 | ||
4723351a | 1718 | case DW_FORM_GNU_str_index: |
f6f0e17b | 1719 | uvalue = read_uleb128 (data, & bytes_read, end); |
4723351a CC |
1720 | data += bytes_read; |
1721 | break; | |
1722 | ||
19e6b90e L |
1723 | case DW_FORM_ref_udata: |
1724 | case DW_FORM_udata: | |
f6f0e17b | 1725 | uvalue = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
1726 | data += bytes_read; |
1727 | break; | |
1728 | ||
1729 | case DW_FORM_indirect: | |
f6f0e17b | 1730 | form = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
1731 | data += bytes_read; |
1732 | if (!do_loc) | |
ef0b5f1c | 1733 | printf ("%c%s", delimiter, get_FORM_name (form)); |
77145576 JK |
1734 | if (form == DW_FORM_implicit_const) |
1735 | { | |
1736 | implicit_const = read_sleb128 (data, & bytes_read, end); | |
1737 | data += bytes_read; | |
1738 | } | |
1739 | return read_and_display_attr_value (attribute, form, implicit_const, data, | |
1740 | end, cu_offset, pointer_size, | |
19e6b90e | 1741 | offset_size, dwarf_version, |
ec4d4525 | 1742 | debug_info_p, do_loc, |
ef0b5f1c | 1743 | section, this_set, delimiter); |
4723351a | 1744 | case DW_FORM_GNU_addr_index: |
f6f0e17b | 1745 | uvalue = read_uleb128 (data, & bytes_read, end); |
4723351a CC |
1746 | data += bytes_read; |
1747 | break; | |
19e6b90e L |
1748 | } |
1749 | ||
1750 | switch (form) | |
1751 | { | |
1752 | case DW_FORM_ref_addr: | |
1753 | if (!do_loc) | |
ef0b5f1c | 1754 | printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x",uvalue)); |
19e6b90e L |
1755 | break; |
1756 | ||
a081f3cd JJ |
1757 | case DW_FORM_GNU_ref_alt: |
1758 | if (!do_loc) | |
ef0b5f1c | 1759 | printf ("%c<alt 0x%s>", delimiter, dwarf_vmatoa ("x",uvalue)); |
a081f3cd JJ |
1760 | break; |
1761 | ||
19e6b90e L |
1762 | case DW_FORM_ref1: |
1763 | case DW_FORM_ref2: | |
1764 | case DW_FORM_ref4: | |
1765 | case DW_FORM_ref_udata: | |
1766 | if (!do_loc) | |
ef0b5f1c | 1767 | printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue + cu_offset)); |
19e6b90e L |
1768 | break; |
1769 | ||
1770 | case DW_FORM_data4: | |
1771 | case DW_FORM_addr: | |
932fd279 | 1772 | case DW_FORM_sec_offset: |
19e6b90e | 1773 | if (!do_loc) |
ef0b5f1c | 1774 | printf ("%c0x%s", delimiter, dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
1775 | break; |
1776 | ||
932fd279 | 1777 | case DW_FORM_flag_present: |
19e6b90e L |
1778 | case DW_FORM_flag: |
1779 | case DW_FORM_data1: | |
1780 | case DW_FORM_data2: | |
1781 | case DW_FORM_sdata: | |
1782 | case DW_FORM_udata: | |
1783 | if (!do_loc) | |
ef0b5f1c | 1784 | printf ("%c%s", delimiter, dwarf_vmatoa ("d", uvalue)); |
19e6b90e L |
1785 | break; |
1786 | ||
77145576 JK |
1787 | case DW_FORM_implicit_const: |
1788 | if (!do_loc) | |
1789 | printf ("%c%s", delimiter, dwarf_vmatoa ("d", implicit_const)); | |
1790 | break; | |
1791 | ||
19e6b90e L |
1792 | case DW_FORM_ref8: |
1793 | case DW_FORM_data8: | |
2bc8690c | 1794 | if (!do_loc) |
19e6b90e | 1795 | { |
74bc6052 | 1796 | dwarf_vma high_bits; |
a69c4772 | 1797 | dwarf_vma utmp; |
74bc6052 CC |
1798 | char buf[64]; |
1799 | ||
0c588247 | 1800 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); |
a69c4772 NC |
1801 | utmp = uvalue; |
1802 | if (form == DW_FORM_ref8) | |
1803 | add64 (& high_bits, & utmp, cu_offset); | |
ef0b5f1c | 1804 | printf ("%c0x%s", delimiter, |
a69c4772 | 1805 | dwarf_vmatoa64 (high_bits, utmp, buf, sizeof (buf))); |
19e6b90e | 1806 | } |
0c588247 | 1807 | |
19e6b90e L |
1808 | if ((do_loc || do_debug_loc || do_debug_ranges) |
1809 | && num_debug_info_entries == 0) | |
1810 | { | |
1811 | if (sizeof (uvalue) == 8) | |
0c588247 | 1812 | SAFE_BYTE_GET (uvalue, data, 8, end); |
19e6b90e | 1813 | else |
467c65bc | 1814 | error (_("DW_FORM_data8 is unsupported when sizeof (dwarf_vma) != 8\n")); |
19e6b90e | 1815 | } |
0c588247 | 1816 | |
19e6b90e L |
1817 | data += 8; |
1818 | break; | |
1819 | ||
2f6cd591 JK |
1820 | case DW_FORM_data16: |
1821 | if (!do_loc) | |
1822 | { | |
1823 | dwarf_vma left_high_bits, left_low_bits; | |
1824 | dwarf_vma right_high_bits, right_low_bits; | |
1825 | ||
1826 | SAFE_BYTE_GET64 (data, &left_high_bits, &left_low_bits, end); | |
1827 | SAFE_BYTE_GET64 (data + 8, &right_high_bits, &right_low_bits, end); | |
1828 | if (byte_get == byte_get_little_endian) | |
1829 | { | |
1830 | /* Swap them. */ | |
1831 | left_high_bits ^= right_high_bits; | |
1832 | right_high_bits ^= left_high_bits; | |
1833 | left_high_bits ^= right_high_bits; | |
1834 | left_low_bits ^= right_low_bits; | |
1835 | right_low_bits ^= left_low_bits; | |
1836 | left_low_bits ^= right_low_bits; | |
1837 | } | |
1838 | printf (" 0x%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x" | |
1839 | "%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x", | |
1840 | left_high_bits, left_low_bits, right_high_bits, | |
1841 | right_low_bits); | |
1842 | } | |
1843 | data += 16; | |
1844 | break; | |
1845 | ||
19e6b90e L |
1846 | case DW_FORM_string: |
1847 | if (!do_loc) | |
ef0b5f1c | 1848 | printf ("%c%.*s", delimiter, (int) (end - data), data); |
0c588247 | 1849 | data += strnlen ((char *) data, end - data) + 1; |
19e6b90e L |
1850 | break; |
1851 | ||
1852 | case DW_FORM_block: | |
932fd279 | 1853 | case DW_FORM_exprloc: |
f6f0e17b | 1854 | uvalue = read_uleb128 (data, & bytes_read, end); |
19e6b90e | 1855 | block_start = data + bytes_read; |
a1165289 NC |
1856 | if (block_start >= end) |
1857 | { | |
1858 | warn (_("Block ends prematurely\n")); | |
1859 | uvalue = 0; | |
1860 | block_start = end; | |
1861 | } | |
f3853b34 NC |
1862 | /* FIXME: Testing "(block_start + uvalue) < block_start" miscompiles with |
1863 | gcc 4.8.3 running on an x86_64 host in 32-bit mode. So we pre-compute | |
1864 | block_start + uvalue here. */ | |
1865 | data = block_start + uvalue; | |
f41e4712 | 1866 | /* PR 17512: file: 008-103549-0.001:0.1. */ |
f3853b34 | 1867 | if (block_start + uvalue > end || data < block_start) |
f41e4712 NC |
1868 | { |
1869 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
1870 | uvalue = end - block_start; | |
1871 | } | |
19e6b90e L |
1872 | if (do_loc) |
1873 | data = block_start + uvalue; | |
1874 | else | |
ef0b5f1c | 1875 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
1876 | break; |
1877 | ||
1878 | case DW_FORM_block1: | |
0c588247 | 1879 | SAFE_BYTE_GET (uvalue, data, 1, end); |
19e6b90e | 1880 | block_start = data + 1; |
a1165289 NC |
1881 | if (block_start >= end) |
1882 | { | |
1883 | warn (_("Block ends prematurely\n")); | |
1884 | uvalue = 0; | |
1885 | block_start = end; | |
1886 | } | |
f3853b34 NC |
1887 | data = block_start + uvalue; |
1888 | if (block_start + uvalue > end || data < block_start) | |
f41e4712 NC |
1889 | { |
1890 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
1891 | uvalue = end - block_start; | |
1892 | } | |
19e6b90e L |
1893 | if (do_loc) |
1894 | data = block_start + uvalue; | |
1895 | else | |
ef0b5f1c | 1896 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
1897 | break; |
1898 | ||
1899 | case DW_FORM_block2: | |
0c588247 | 1900 | SAFE_BYTE_GET (uvalue, data, 2, end); |
19e6b90e | 1901 | block_start = data + 2; |
a1165289 NC |
1902 | if (block_start >= end) |
1903 | { | |
1904 | warn (_("Block ends prematurely\n")); | |
1905 | uvalue = 0; | |
1906 | block_start = end; | |
1907 | } | |
f3853b34 NC |
1908 | data = block_start + uvalue; |
1909 | if (block_start + uvalue > end || data < block_start) | |
f41e4712 NC |
1910 | { |
1911 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
1912 | uvalue = end - block_start; | |
1913 | } | |
19e6b90e L |
1914 | if (do_loc) |
1915 | data = block_start + uvalue; | |
1916 | else | |
ef0b5f1c | 1917 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
1918 | break; |
1919 | ||
1920 | case DW_FORM_block4: | |
0c588247 | 1921 | SAFE_BYTE_GET (uvalue, data, 4, end); |
19e6b90e | 1922 | block_start = data + 4; |
a1165289 NC |
1923 | /* PR 17512: file: 3371-3907-0.004. */ |
1924 | if (block_start >= end) | |
1925 | { | |
1926 | warn (_("Block ends prematurely\n")); | |
1927 | uvalue = 0; | |
1928 | block_start = end; | |
1929 | } | |
f3853b34 NC |
1930 | data = block_start + uvalue; |
1931 | if (block_start + uvalue > end | |
b4eb7656 | 1932 | /* PR 17531: file: 5b5f0592. */ |
f3853b34 | 1933 | || data < block_start) |
f41e4712 NC |
1934 | { |
1935 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
1936 | uvalue = end - block_start; | |
1937 | } | |
19e6b90e L |
1938 | if (do_loc) |
1939 | data = block_start + uvalue; | |
1940 | else | |
ef0b5f1c | 1941 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
1942 | break; |
1943 | ||
1944 | case DW_FORM_strp: | |
1945 | if (!do_loc) | |
ef0b5f1c | 1946 | printf (_("%c(indirect string, offset: 0x%s): %s"), delimiter, |
47704ddf KT |
1947 | dwarf_vmatoa ("x", uvalue), |
1948 | fetch_indirect_string (uvalue)); | |
19e6b90e L |
1949 | break; |
1950 | ||
77145576 JK |
1951 | case DW_FORM_line_strp: |
1952 | if (!do_loc) | |
1953 | printf (_("%c(indirect line string, offset: 0x%s): %s"), delimiter, | |
1954 | dwarf_vmatoa ("x", uvalue), | |
1955 | fetch_indirect_line_string (uvalue)); | |
1956 | break; | |
1957 | ||
4723351a CC |
1958 | case DW_FORM_GNU_str_index: |
1959 | if (!do_loc) | |
b4eb7656 AM |
1960 | { |
1961 | const char *suffix = strrchr (section->name, '.'); | |
1962 | int dwo = (suffix && strcmp (suffix, ".dwo") == 0) ? 1 : 0; | |
1963 | ||
ef0b5f1c | 1964 | printf (_("%c(indexed string: 0x%s): %s"), delimiter, |
b4eb7656 AM |
1965 | dwarf_vmatoa ("x", uvalue), |
1966 | fetch_indexed_string (uvalue, this_set, offset_size, dwo)); | |
1967 | } | |
4723351a CC |
1968 | break; |
1969 | ||
a081f3cd JJ |
1970 | case DW_FORM_GNU_strp_alt: |
1971 | if (!do_loc) | |
ef0b5f1c | 1972 | printf (_("%c(alt indirect string, offset: 0x%s)"), delimiter, |
a081f3cd JJ |
1973 | dwarf_vmatoa ("x", uvalue)); |
1974 | break; | |
1975 | ||
19e6b90e L |
1976 | case DW_FORM_indirect: |
1977 | /* Handled above. */ | |
1978 | break; | |
1979 | ||
2b6f5997 CC |
1980 | case DW_FORM_ref_sig8: |
1981 | if (!do_loc) | |
1982 | { | |
74bc6052 CC |
1983 | dwarf_vma high_bits; |
1984 | char buf[64]; | |
1985 | ||
0c588247 | 1986 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); |
ef0b5f1c | 1987 | printf ("%csignature: 0x%s", delimiter, |
74bc6052 | 1988 | dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf))); |
2b6f5997 | 1989 | } |
74bc6052 | 1990 | data += 8; |
2b6f5997 CC |
1991 | break; |
1992 | ||
4723351a CC |
1993 | case DW_FORM_GNU_addr_index: |
1994 | if (!do_loc) | |
ef0b5f1c | 1995 | printf (_("%c(addr_index: 0x%s): %s"), delimiter, |
b4eb7656 AM |
1996 | dwarf_vmatoa ("x", uvalue), |
1997 | fetch_indexed_value (uvalue * pointer_size, pointer_size)); | |
4723351a CC |
1998 | break; |
1999 | ||
19e6b90e L |
2000 | default: |
2001 | warn (_("Unrecognized form: %lu\n"), form); | |
2002 | break; | |
2003 | } | |
2004 | ||
19e6b90e | 2005 | if ((do_loc || do_debug_loc || do_debug_ranges) |
fd2f0033 TT |
2006 | && num_debug_info_entries == 0 |
2007 | && debug_info_p != NULL) | |
19e6b90e L |
2008 | { |
2009 | switch (attribute) | |
2010 | { | |
2011 | case DW_AT_frame_base: | |
2012 | have_frame_base = 1; | |
1a0670f3 | 2013 | /* Fall through. */ |
19e6b90e | 2014 | case DW_AT_location: |
e2a0d921 NC |
2015 | case DW_AT_string_length: |
2016 | case DW_AT_return_addr: | |
19e6b90e L |
2017 | case DW_AT_data_member_location: |
2018 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
2019 | case DW_AT_segment: |
2020 | case DW_AT_static_link: | |
2021 | case DW_AT_use_location: | |
bc0a77d2 | 2022 | case DW_AT_call_value: |
629e7ca8 | 2023 | case DW_AT_GNU_call_site_value: |
bc0a77d2 | 2024 | case DW_AT_call_data_value: |
629e7ca8 | 2025 | case DW_AT_GNU_call_site_data_value: |
bc0a77d2 | 2026 | case DW_AT_call_target: |
629e7ca8 | 2027 | case DW_AT_GNU_call_site_target: |
bc0a77d2 | 2028 | case DW_AT_call_target_clobbered: |
629e7ca8 | 2029 | case DW_AT_GNU_call_site_target_clobbered: |
b4eb7656 | 2030 | if ((dwarf_version < 4 |
212b6063 | 2031 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 2032 | || form == DW_FORM_sec_offset) |
19e6b90e L |
2033 | { |
2034 | /* Process location list. */ | |
91d6fa6a | 2035 | unsigned int lmax = debug_info_p->max_loc_offsets; |
19e6b90e L |
2036 | unsigned int num = debug_info_p->num_loc_offsets; |
2037 | ||
91d6fa6a | 2038 | if (lmax == 0 || num >= lmax) |
19e6b90e | 2039 | { |
91d6fa6a | 2040 | lmax += 1024; |
467c65bc | 2041 | debug_info_p->loc_offsets = (dwarf_vma *) |
b4eb7656 AM |
2042 | xcrealloc (debug_info_p->loc_offsets, |
2043 | lmax, sizeof (*debug_info_p->loc_offsets)); | |
3f5e193b | 2044 | debug_info_p->have_frame_base = (int *) |
b4eb7656 AM |
2045 | xcrealloc (debug_info_p->have_frame_base, |
2046 | lmax, sizeof (*debug_info_p->have_frame_base)); | |
91d6fa6a | 2047 | debug_info_p->max_loc_offsets = lmax; |
19e6b90e | 2048 | } |
341f9135 | 2049 | if (this_set != NULL) |
b4eb7656 | 2050 | uvalue += this_set->section_offsets [DW_SECT_LOC]; |
19e6b90e L |
2051 | debug_info_p->loc_offsets [num] = uvalue; |
2052 | debug_info_p->have_frame_base [num] = have_frame_base; | |
2053 | debug_info_p->num_loc_offsets++; | |
2054 | } | |
2055 | break; | |
e2a0d921 | 2056 | |
19e6b90e L |
2057 | case DW_AT_low_pc: |
2058 | if (need_base_address) | |
2059 | debug_info_p->base_address = uvalue; | |
2060 | break; | |
2061 | ||
4723351a | 2062 | case DW_AT_GNU_addr_base: |
b4eb7656 | 2063 | debug_info_p->addr_base = uvalue; |
4723351a CC |
2064 | break; |
2065 | ||
2066 | case DW_AT_GNU_ranges_base: | |
b4eb7656 | 2067 | debug_info_p->ranges_base = uvalue; |
4723351a CC |
2068 | break; |
2069 | ||
19e6b90e | 2070 | case DW_AT_ranges: |
b4eb7656 | 2071 | if ((dwarf_version < 4 |
212b6063 | 2072 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 2073 | || form == DW_FORM_sec_offset) |
19e6b90e L |
2074 | { |
2075 | /* Process range list. */ | |
91d6fa6a | 2076 | unsigned int lmax = debug_info_p->max_range_lists; |
19e6b90e L |
2077 | unsigned int num = debug_info_p->num_range_lists; |
2078 | ||
91d6fa6a | 2079 | if (lmax == 0 || num >= lmax) |
19e6b90e | 2080 | { |
91d6fa6a | 2081 | lmax += 1024; |
467c65bc | 2082 | debug_info_p->range_lists = (dwarf_vma *) |
b4eb7656 AM |
2083 | xcrealloc (debug_info_p->range_lists, |
2084 | lmax, sizeof (*debug_info_p->range_lists)); | |
91d6fa6a | 2085 | debug_info_p->max_range_lists = lmax; |
19e6b90e L |
2086 | } |
2087 | debug_info_p->range_lists [num] = uvalue; | |
2088 | debug_info_p->num_range_lists++; | |
2089 | } | |
2090 | break; | |
2091 | ||
2092 | default: | |
2093 | break; | |
2094 | } | |
2095 | } | |
2096 | ||
4ccf1e31 | 2097 | if (do_loc || attribute == 0) |
19e6b90e L |
2098 | return data; |
2099 | ||
ec4d4525 | 2100 | /* For some attributes we can display further information. */ |
19e6b90e L |
2101 | switch (attribute) |
2102 | { | |
2103 | case DW_AT_inline: | |
2e9e81a8 | 2104 | printf ("\t"); |
19e6b90e L |
2105 | switch (uvalue) |
2106 | { | |
2107 | case DW_INL_not_inlined: | |
2108 | printf (_("(not inlined)")); | |
2109 | break; | |
2110 | case DW_INL_inlined: | |
2111 | printf (_("(inlined)")); | |
2112 | break; | |
2113 | case DW_INL_declared_not_inlined: | |
2114 | printf (_("(declared as inline but ignored)")); | |
2115 | break; | |
2116 | case DW_INL_declared_inlined: | |
2117 | printf (_("(declared as inline and inlined)")); | |
2118 | break; | |
2119 | default: | |
47704ddf KT |
2120 | printf (_(" (Unknown inline attribute value: %s)"), |
2121 | dwarf_vmatoa ("x", uvalue)); | |
19e6b90e L |
2122 | break; |
2123 | } | |
2124 | break; | |
2125 | ||
2126 | case DW_AT_language: | |
2e9e81a8 | 2127 | printf ("\t"); |
19e6b90e L |
2128 | switch (uvalue) |
2129 | { | |
4b78141a | 2130 | /* Ordered by the numeric value of these constants. */ |
19e6b90e | 2131 | case DW_LANG_C89: printf ("(ANSI C)"); break; |
4b78141a NC |
2132 | case DW_LANG_C: printf ("(non-ANSI C)"); break; |
2133 | case DW_LANG_Ada83: printf ("(Ada)"); break; | |
19e6b90e | 2134 | case DW_LANG_C_plus_plus: printf ("(C++)"); break; |
4b78141a NC |
2135 | case DW_LANG_Cobol74: printf ("(Cobol 74)"); break; |
2136 | case DW_LANG_Cobol85: printf ("(Cobol 85)"); break; | |
19e6b90e L |
2137 | case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break; |
2138 | case DW_LANG_Fortran90: printf ("(Fortran 90)"); break; | |
19e6b90e | 2139 | case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break; |
4b78141a | 2140 | case DW_LANG_Modula2: printf ("(Modula 2)"); break; |
19e6b90e | 2141 | /* DWARF 2.1 values. */ |
4b78141a | 2142 | case DW_LANG_Java: printf ("(Java)"); break; |
19e6b90e L |
2143 | case DW_LANG_C99: printf ("(ANSI C99)"); break; |
2144 | case DW_LANG_Ada95: printf ("(ADA 95)"); break; | |
2145 | case DW_LANG_Fortran95: printf ("(Fortran 95)"); break; | |
4b78141a NC |
2146 | /* DWARF 3 values. */ |
2147 | case DW_LANG_PLI: printf ("(PLI)"); break; | |
2148 | case DW_LANG_ObjC: printf ("(Objective C)"); break; | |
2149 | case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break; | |
2150 | case DW_LANG_UPC: printf ("(Unified Parallel C)"); break; | |
2151 | case DW_LANG_D: printf ("(D)"); break; | |
2b6f5997 CC |
2152 | /* DWARF 4 values. */ |
2153 | case DW_LANG_Python: printf ("(Python)"); break; | |
3362e0d9 ILT |
2154 | /* DWARF 5 values. */ |
2155 | case DW_LANG_Go: printf ("(Go)"); break; | |
8bc10620 | 2156 | case DW_LANG_C_plus_plus_11: printf ("(C++11)"); break; |
6ddfe5b4 | 2157 | case DW_LANG_C11: printf ("(C11)"); break; |
8bc10620 | 2158 | case DW_LANG_C_plus_plus_14: printf ("(C++14)"); break; |
5a195044 MW |
2159 | case DW_LANG_Fortran03: printf ("(Fortran 03)"); break; |
2160 | case DW_LANG_Fortran08: printf ("(Fortran 08)"); break; | |
19e6b90e L |
2161 | /* MIPS extension. */ |
2162 | case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break; | |
2163 | /* UPC extension. */ | |
2164 | case DW_LANG_Upc: printf ("(Unified Parallel C)"); break; | |
2165 | default: | |
4b78141a | 2166 | if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user) |
9cf03b7e | 2167 | printf (_("(implementation defined: %s)"), |
467c65bc | 2168 | dwarf_vmatoa ("x", uvalue)); |
4b78141a | 2169 | else |
9cf03b7e | 2170 | printf (_("(Unknown: %s)"), dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
2171 | break; |
2172 | } | |
2173 | break; | |
2174 | ||
2175 | case DW_AT_encoding: | |
2e9e81a8 | 2176 | printf ("\t"); |
19e6b90e L |
2177 | switch (uvalue) |
2178 | { | |
2179 | case DW_ATE_void: printf ("(void)"); break; | |
2180 | case DW_ATE_address: printf ("(machine address)"); break; | |
2181 | case DW_ATE_boolean: printf ("(boolean)"); break; | |
2182 | case DW_ATE_complex_float: printf ("(complex float)"); break; | |
2183 | case DW_ATE_float: printf ("(float)"); break; | |
2184 | case DW_ATE_signed: printf ("(signed)"); break; | |
2185 | case DW_ATE_signed_char: printf ("(signed char)"); break; | |
2186 | case DW_ATE_unsigned: printf ("(unsigned)"); break; | |
2187 | case DW_ATE_unsigned_char: printf ("(unsigned char)"); break; | |
e2a0d921 | 2188 | /* DWARF 2.1 values: */ |
19e6b90e L |
2189 | case DW_ATE_imaginary_float: printf ("(imaginary float)"); break; |
2190 | case DW_ATE_decimal_float: printf ("(decimal float)"); break; | |
e2a0d921 NC |
2191 | /* DWARF 3 values: */ |
2192 | case DW_ATE_packed_decimal: printf ("(packed_decimal)"); break; | |
2193 | case DW_ATE_numeric_string: printf ("(numeric_string)"); break; | |
2194 | case DW_ATE_edited: printf ("(edited)"); break; | |
2195 | case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break; | |
2196 | case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break; | |
2197 | /* HP extensions: */ | |
2198 | case DW_ATE_HP_float80: printf ("(HP_float80)"); break; | |
2199 | case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break; | |
2200 | case DW_ATE_HP_float128: printf ("(HP_float128)"); break; | |
2201 | case DW_ATE_HP_complex_float128:printf ("(HP_complex_float128)"); break; | |
2202 | case DW_ATE_HP_floathpintel: printf ("(HP_floathpintel)"); break; | |
2203 | case DW_ATE_HP_imaginary_float80: printf ("(HP_imaginary_float80)"); break; | |
2204 | case DW_ATE_HP_imaginary_float128: printf ("(HP_imaginary_float128)"); break; | |
153a2776 NC |
2205 | /* DWARF 4 values: */ |
2206 | case DW_ATE_UTF: printf ("(unicode string)"); break; | |
e2a0d921 | 2207 | |
19e6b90e L |
2208 | default: |
2209 | if (uvalue >= DW_ATE_lo_user | |
2210 | && uvalue <= DW_ATE_hi_user) | |
9cf03b7e | 2211 | printf (_("(user defined type)")); |
19e6b90e | 2212 | else |
9cf03b7e | 2213 | printf (_("(unknown type)")); |
19e6b90e L |
2214 | break; |
2215 | } | |
2216 | break; | |
2217 | ||
2218 | case DW_AT_accessibility: | |
2e9e81a8 | 2219 | printf ("\t"); |
19e6b90e L |
2220 | switch (uvalue) |
2221 | { | |
2222 | case DW_ACCESS_public: printf ("(public)"); break; | |
2223 | case DW_ACCESS_protected: printf ("(protected)"); break; | |
2224 | case DW_ACCESS_private: printf ("(private)"); break; | |
2225 | default: | |
9cf03b7e | 2226 | printf (_("(unknown accessibility)")); |
19e6b90e L |
2227 | break; |
2228 | } | |
2229 | break; | |
2230 | ||
2231 | case DW_AT_visibility: | |
2e9e81a8 | 2232 | printf ("\t"); |
19e6b90e L |
2233 | switch (uvalue) |
2234 | { | |
2235 | case DW_VIS_local: printf ("(local)"); break; | |
2236 | case DW_VIS_exported: printf ("(exported)"); break; | |
2237 | case DW_VIS_qualified: printf ("(qualified)"); break; | |
9cf03b7e | 2238 | default: printf (_("(unknown visibility)")); break; |
19e6b90e L |
2239 | } |
2240 | break; | |
2241 | ||
2242 | case DW_AT_virtuality: | |
2e9e81a8 | 2243 | printf ("\t"); |
19e6b90e L |
2244 | switch (uvalue) |
2245 | { | |
2246 | case DW_VIRTUALITY_none: printf ("(none)"); break; | |
2247 | case DW_VIRTUALITY_virtual: printf ("(virtual)"); break; | |
2248 | case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break; | |
9cf03b7e | 2249 | default: printf (_("(unknown virtuality)")); break; |
19e6b90e L |
2250 | } |
2251 | break; | |
2252 | ||
2253 | case DW_AT_identifier_case: | |
2e9e81a8 | 2254 | printf ("\t"); |
19e6b90e L |
2255 | switch (uvalue) |
2256 | { | |
2257 | case DW_ID_case_sensitive: printf ("(case_sensitive)"); break; | |
2258 | case DW_ID_up_case: printf ("(up_case)"); break; | |
2259 | case DW_ID_down_case: printf ("(down_case)"); break; | |
2260 | case DW_ID_case_insensitive: printf ("(case_insensitive)"); break; | |
9cf03b7e | 2261 | default: printf (_("(unknown case)")); break; |
19e6b90e L |
2262 | } |
2263 | break; | |
2264 | ||
2265 | case DW_AT_calling_convention: | |
2e9e81a8 | 2266 | printf ("\t"); |
19e6b90e L |
2267 | switch (uvalue) |
2268 | { | |
2269 | case DW_CC_normal: printf ("(normal)"); break; | |
2270 | case DW_CC_program: printf ("(program)"); break; | |
2271 | case DW_CC_nocall: printf ("(nocall)"); break; | |
2272 | default: | |
2273 | if (uvalue >= DW_CC_lo_user | |
2274 | && uvalue <= DW_CC_hi_user) | |
9cf03b7e | 2275 | printf (_("(user defined)")); |
19e6b90e | 2276 | else |
9cf03b7e | 2277 | printf (_("(unknown convention)")); |
19e6b90e L |
2278 | } |
2279 | break; | |
2280 | ||
2281 | case DW_AT_ordering: | |
2e9e81a8 | 2282 | printf ("\t"); |
19e6b90e L |
2283 | switch (uvalue) |
2284 | { | |
9cf03b7e | 2285 | case -1: printf (_("(undefined)")); break; |
19e6b90e L |
2286 | case 0: printf ("(row major)"); break; |
2287 | case 1: printf ("(column major)"); break; | |
2288 | } | |
2289 | break; | |
2290 | ||
2291 | case DW_AT_frame_base: | |
2292 | have_frame_base = 1; | |
1a0670f3 | 2293 | /* Fall through. */ |
19e6b90e | 2294 | case DW_AT_location: |
e2a0d921 NC |
2295 | case DW_AT_string_length: |
2296 | case DW_AT_return_addr: | |
19e6b90e L |
2297 | case DW_AT_data_member_location: |
2298 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
2299 | case DW_AT_segment: |
2300 | case DW_AT_static_link: | |
2301 | case DW_AT_use_location: | |
bc0a77d2 | 2302 | case DW_AT_call_value: |
629e7ca8 | 2303 | case DW_AT_GNU_call_site_value: |
bc0a77d2 | 2304 | case DW_AT_call_data_value: |
629e7ca8 | 2305 | case DW_AT_GNU_call_site_data_value: |
bc0a77d2 | 2306 | case DW_AT_call_target: |
629e7ca8 | 2307 | case DW_AT_GNU_call_site_target: |
bc0a77d2 | 2308 | case DW_AT_call_target_clobbered: |
629e7ca8 | 2309 | case DW_AT_GNU_call_site_target_clobbered: |
212b6063 | 2310 | if ((dwarf_version < 4 |
b4eb7656 | 2311 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 2312 | || form == DW_FORM_sec_offset) |
2e9e81a8 | 2313 | printf (_(" (location list)")); |
e2a0d921 | 2314 | /* Fall through. */ |
19e6b90e L |
2315 | case DW_AT_allocated: |
2316 | case DW_AT_associated: | |
2317 | case DW_AT_data_location: | |
2318 | case DW_AT_stride: | |
2319 | case DW_AT_upper_bound: | |
cecf136e | 2320 | case DW_AT_lower_bound: |
19e6b90e L |
2321 | if (block_start) |
2322 | { | |
2323 | int need_frame_base; | |
2324 | ||
2e9e81a8 | 2325 | printf ("\t("); |
19e6b90e L |
2326 | need_frame_base = decode_location_expression (block_start, |
2327 | pointer_size, | |
b7807392 JJ |
2328 | offset_size, |
2329 | dwarf_version, | |
19e6b90e | 2330 | uvalue, |
f1c4cc75 | 2331 | cu_offset, section); |
19e6b90e L |
2332 | printf (")"); |
2333 | if (need_frame_base && !have_frame_base) | |
2334 | printf (_(" [without DW_AT_frame_base]")); | |
2335 | } | |
19e6b90e L |
2336 | break; |
2337 | ||
ec4d4525 NC |
2338 | case DW_AT_import: |
2339 | { | |
a081f3cd JJ |
2340 | if (form == DW_FORM_ref_sig8 |
2341 | || form == DW_FORM_GNU_ref_alt) | |
b4eb7656 | 2342 | break; |
2b6f5997 | 2343 | |
ec4d4525 NC |
2344 | if (form == DW_FORM_ref1 |
2345 | || form == DW_FORM_ref2 | |
a7a0b6a5 JK |
2346 | || form == DW_FORM_ref4 |
2347 | || form == DW_FORM_ref_udata) | |
ec4d4525 NC |
2348 | uvalue += cu_offset; |
2349 | ||
6e3d6dc1 | 2350 | if (uvalue >= section->size) |
f3853b34 | 2351 | warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset 0x%lx is too big.\n"), |
47704ddf KT |
2352 | dwarf_vmatoa ("x", uvalue), |
2353 | (unsigned long) (orig_data - section->start)); | |
6e3d6dc1 NC |
2354 | else |
2355 | { | |
2356 | unsigned long abbrev_number; | |
2357 | abbrev_entry * entry; | |
2358 | ||
f6f0e17b | 2359 | abbrev_number = read_uleb128 (section->start + uvalue, NULL, end); |
cecf136e | 2360 | |
2e9e81a8 | 2361 | printf (_("\t[Abbrev Number: %ld"), abbrev_number); |
afd6e1ff JJ |
2362 | /* Don't look up abbrev for DW_FORM_ref_addr, as it very often will |
2363 | use different abbrev table, and we don't track .debug_info chunks | |
2364 | yet. */ | |
2365 | if (form != DW_FORM_ref_addr) | |
2366 | { | |
2367 | for (entry = first_abbrev; entry != NULL; entry = entry->next) | |
2368 | if (entry->entry == abbrev_number) | |
2369 | break; | |
2370 | if (entry != NULL) | |
2371 | printf (" (%s)", get_TAG_name (entry->tag)); | |
2372 | } | |
6e3d6dc1 NC |
2373 | printf ("]"); |
2374 | } | |
ec4d4525 NC |
2375 | } |
2376 | break; | |
2377 | ||
19e6b90e L |
2378 | default: |
2379 | break; | |
2380 | } | |
2381 | ||
2382 | return data; | |
2383 | } | |
2384 | ||
a19c41a7 | 2385 | static const char * |
19e6b90e L |
2386 | get_AT_name (unsigned long attribute) |
2387 | { | |
a19c41a7 | 2388 | const char *name; |
e2a0d921 | 2389 | |
399c99f7 L |
2390 | if (attribute == 0) |
2391 | return "DW_AT value: 0"; | |
2392 | ||
a19c41a7 TT |
2393 | /* One value is shared by the MIPS and HP extensions: */ |
2394 | if (attribute == DW_AT_MIPS_fde) | |
2395 | return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable"; | |
19e6b90e | 2396 | |
a19c41a7 TT |
2397 | name = get_DW_AT_name (attribute); |
2398 | ||
2399 | if (name == NULL) | |
2400 | { | |
2401 | static char buffer[100]; | |
2402 | ||
2403 | snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"), | |
2404 | attribute); | |
2405 | return buffer; | |
19e6b90e | 2406 | } |
a19c41a7 TT |
2407 | |
2408 | return name; | |
19e6b90e L |
2409 | } |
2410 | ||
2411 | static unsigned char * | |
6e3d6dc1 NC |
2412 | read_and_display_attr (unsigned long attribute, |
2413 | unsigned long form, | |
77145576 | 2414 | dwarf_signed_vma implicit_const, |
ec4d4525 | 2415 | unsigned char * data, |
f6f0e17b | 2416 | unsigned char * end, |
467c65bc NC |
2417 | dwarf_vma cu_offset, |
2418 | dwarf_vma pointer_size, | |
2419 | dwarf_vma offset_size, | |
6e3d6dc1 NC |
2420 | int dwarf_version, |
2421 | debug_info * debug_info_p, | |
2422 | int do_loc, | |
341f9135 CC |
2423 | struct dwarf_section * section, |
2424 | struct cu_tu_set * this_set) | |
19e6b90e L |
2425 | { |
2426 | if (!do_loc) | |
750f03b7 | 2427 | printf (" %-18s:", get_AT_name (attribute)); |
77145576 | 2428 | data = read_and_display_attr_value (attribute, form, implicit_const, data, end, |
f6f0e17b | 2429 | cu_offset, pointer_size, offset_size, |
19e6b90e | 2430 | dwarf_version, debug_info_p, |
ef0b5f1c | 2431 | do_loc, section, this_set, ' '); |
19e6b90e L |
2432 | if (!do_loc) |
2433 | printf ("\n"); | |
2434 | return data; | |
2435 | } | |
2436 | ||
19e6b90e L |
2437 | /* Process the contents of a .debug_info section. If do_loc is non-zero |
2438 | then we are scanning for location lists and we do not want to display | |
2b6f5997 CC |
2439 | anything to the user. If do_types is non-zero, we are processing |
2440 | a .debug_types section instead of a .debug_info section. */ | |
19e6b90e L |
2441 | |
2442 | static int | |
6e3d6dc1 NC |
2443 | process_debug_info (struct dwarf_section *section, |
2444 | void *file, | |
b4eb7656 | 2445 | enum dwarf_section_display_enum abbrev_sec, |
2b6f5997 CC |
2446 | int do_loc, |
2447 | int do_types) | |
19e6b90e L |
2448 | { |
2449 | unsigned char *start = section->start; | |
2450 | unsigned char *end = start + section->size; | |
2451 | unsigned char *section_begin; | |
2452 | unsigned int unit; | |
2453 | unsigned int num_units = 0; | |
2454 | ||
2455 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
2456 | && num_debug_info_entries == 0 |
2457 | && ! do_types) | |
19e6b90e | 2458 | { |
767221a9 | 2459 | dwarf_vma length; |
19e6b90e L |
2460 | |
2461 | /* First scan the section to get the number of comp units. */ | |
2462 | for (section_begin = start, num_units = 0; section_begin < end; | |
2463 | num_units ++) | |
2464 | { | |
2465 | /* Read the first 4 bytes. For a 32-bit DWARF section, this | |
2466 | will be the length. For a 64-bit DWARF section, it'll be | |
2467 | the escape code 0xffffffff followed by an 8 byte length. */ | |
0c588247 | 2468 | SAFE_BYTE_GET (length, section_begin, 4, end); |
19e6b90e L |
2469 | |
2470 | if (length == 0xffffffff) | |
2471 | { | |
0c588247 | 2472 | SAFE_BYTE_GET (length, section_begin + 4, 8, end); |
19e6b90e L |
2473 | section_begin += length + 12; |
2474 | } | |
ec4d4525 NC |
2475 | else if (length >= 0xfffffff0 && length < 0xffffffff) |
2476 | { | |
767221a9 NC |
2477 | warn (_("Reserved length value (0x%s) found in section %s\n"), |
2478 | dwarf_vmatoa ("x", length), section->name); | |
ec4d4525 NC |
2479 | return 0; |
2480 | } | |
19e6b90e L |
2481 | else |
2482 | section_begin += length + 4; | |
aca88567 NC |
2483 | |
2484 | /* Negative values are illegal, they may even cause infinite | |
2485 | looping. This can happen if we can't accurately apply | |
f3853b34 NC |
2486 | relocations to an object file, or if the file is corrupt. */ |
2487 | if ((signed long) length <= 0 || section_begin < start) | |
aca88567 | 2488 | { |
767221a9 NC |
2489 | warn (_("Corrupt unit length (0x%s) found in section %s\n"), |
2490 | dwarf_vmatoa ("x", length), section->name); | |
aca88567 NC |
2491 | return 0; |
2492 | } | |
19e6b90e L |
2493 | } |
2494 | ||
2495 | if (num_units == 0) | |
2496 | { | |
f41e4712 | 2497 | error (_("No comp units in %s section ?\n"), section->name); |
19e6b90e L |
2498 | return 0; |
2499 | } | |
2500 | ||
2501 | /* Then allocate an array to hold the information. */ | |
3f5e193b | 2502 | debug_information = (debug_info *) cmalloc (num_units, |
1306a742 | 2503 | sizeof (* debug_information)); |
19e6b90e L |
2504 | if (debug_information == NULL) |
2505 | { | |
f41e4712 | 2506 | error (_("Not enough memory for a debug info array of %u entries\n"), |
19e6b90e | 2507 | num_units); |
82b1b41b | 2508 | alloc_num_debug_info_entries = num_debug_info_entries = 0; |
19e6b90e L |
2509 | return 0; |
2510 | } | |
03a91817 NC |
2511 | /* PR 17531: file: 92ca3797. |
2512 | We cannot rely upon the debug_information array being initialised | |
2513 | before it is used. A corrupt file could easily contain references | |
2514 | to a unit for which information has not been made available. So | |
2515 | we ensure that the array is zeroed here. */ | |
b4eb7656 AM |
2516 | memset (debug_information, 0, num_units * sizeof (*debug_information)); |
2517 | ||
82b1b41b | 2518 | alloc_num_debug_info_entries = num_units; |
19e6b90e L |
2519 | } |
2520 | ||
2521 | if (!do_loc) | |
2522 | { | |
fd2f0033 TT |
2523 | if (dwarf_start_die == 0) |
2524 | printf (_("Contents of the %s section:\n\n"), section->name); | |
19e6b90e L |
2525 | |
2526 | load_debug_section (str, file); | |
77145576 | 2527 | load_debug_section (line_str, file); |
4723351a CC |
2528 | load_debug_section (str_dwo, file); |
2529 | load_debug_section (str_index, file); | |
2530 | load_debug_section (str_index_dwo, file); | |
2531 | load_debug_section (debug_addr, file); | |
19e6b90e L |
2532 | } |
2533 | ||
6f875884 TG |
2534 | load_debug_section (abbrev_sec, file); |
2535 | if (debug_displays [abbrev_sec].section.start == NULL) | |
19e6b90e L |
2536 | { |
2537 | warn (_("Unable to locate %s section!\n"), | |
6f875884 | 2538 | debug_displays [abbrev_sec].section.name); |
19e6b90e L |
2539 | return 0; |
2540 | } | |
2541 | ||
2542 | for (section_begin = start, unit = 0; start < end; unit++) | |
2543 | { | |
2544 | DWARF2_Internal_CompUnit compunit; | |
2545 | unsigned char *hdrptr; | |
19e6b90e | 2546 | unsigned char *tags; |
fd2f0033 | 2547 | int level, last_level, saved_level; |
467c65bc | 2548 | dwarf_vma cu_offset; |
bf5117e3 | 2549 | unsigned int offset_size; |
19e6b90e | 2550 | int initial_length_size; |
74bc6052 CC |
2551 | dwarf_vma signature_high = 0; |
2552 | dwarf_vma signature_low = 0; | |
767221a9 | 2553 | dwarf_vma type_offset = 0; |
341f9135 CC |
2554 | struct cu_tu_set *this_set; |
2555 | dwarf_vma abbrev_base; | |
2556 | size_t abbrev_size; | |
19e6b90e L |
2557 | |
2558 | hdrptr = start; | |
2559 | ||
0c588247 | 2560 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end); |
19e6b90e L |
2561 | |
2562 | if (compunit.cu_length == 0xffffffff) | |
2563 | { | |
0c588247 | 2564 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end); |
19e6b90e L |
2565 | offset_size = 8; |
2566 | initial_length_size = 12; | |
2567 | } | |
2568 | else | |
2569 | { | |
2570 | offset_size = 4; | |
2571 | initial_length_size = 4; | |
2572 | } | |
2573 | ||
0c588247 | 2574 | SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end); |
19e6b90e L |
2575 | |
2576 | cu_offset = start - section_begin; | |
19e6b90e | 2577 | |
341f9135 CC |
2578 | this_set = find_cu_tu_set_v2 (cu_offset, do_types); |
2579 | ||
77145576 JK |
2580 | if (compunit.cu_version < 5) |
2581 | { | |
2582 | compunit.cu_unit_type = DW_UT_compile; | |
2583 | /* Initialize it due to a false compiler warning. */ | |
2584 | compunit.cu_pointer_size = -1; | |
2585 | } | |
2586 | else | |
2587 | { | |
2588 | SAFE_BYTE_GET_AND_INC (compunit.cu_unit_type, hdrptr, 1, end); | |
2589 | do_types = (compunit.cu_unit_type == DW_UT_type); | |
2590 | ||
2591 | SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end); | |
2592 | } | |
2593 | ||
0c588247 | 2594 | SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end); |
19e6b90e | 2595 | |
341f9135 CC |
2596 | if (this_set == NULL) |
2597 | { | |
2598 | abbrev_base = 0; | |
2599 | abbrev_size = debug_displays [abbrev_sec].section.size; | |
2600 | } | |
2601 | else | |
2602 | { | |
2603 | abbrev_base = this_set->section_offsets [DW_SECT_ABBREV]; | |
2604 | abbrev_size = this_set->section_sizes [DW_SECT_ABBREV]; | |
2605 | } | |
2606 | ||
77145576 JK |
2607 | if (compunit.cu_version < 5) |
2608 | SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end); | |
2609 | ||
f41e4712 NC |
2610 | /* PR 17512: file: 001-108546-0.001:0.1. */ |
2611 | if (compunit.cu_pointer_size < 2 || compunit.cu_pointer_size > 8) | |
2612 | { | |
2613 | warn (_("Invalid pointer size (%d) in compunit header, using %d instead\n"), | |
2614 | compunit.cu_pointer_size, offset_size); | |
2615 | compunit.cu_pointer_size = offset_size; | |
2616 | } | |
2b6f5997 CC |
2617 | |
2618 | if (do_types) | |
b4eb7656 | 2619 | { |
0c588247 | 2620 | SAFE_BYTE_GET64 (hdrptr, &signature_high, &signature_low, end); |
f048b142 | 2621 | hdrptr += 8; |
0c588247 | 2622 | SAFE_BYTE_GET_AND_INC (type_offset, hdrptr, offset_size, end); |
b4eb7656 | 2623 | } |
2b6f5997 | 2624 | |
19e6b90e | 2625 | if ((do_loc || do_debug_loc || do_debug_ranges) |
2b6f5997 CC |
2626 | && num_debug_info_entries == 0 |
2627 | && ! do_types) | |
19e6b90e L |
2628 | { |
2629 | debug_information [unit].cu_offset = cu_offset; | |
2630 | debug_information [unit].pointer_size | |
2631 | = compunit.cu_pointer_size; | |
b7807392 JJ |
2632 | debug_information [unit].offset_size = offset_size; |
2633 | debug_information [unit].dwarf_version = compunit.cu_version; | |
19e6b90e | 2634 | debug_information [unit].base_address = 0; |
4723351a CC |
2635 | debug_information [unit].addr_base = DEBUG_INFO_UNAVAILABLE; |
2636 | debug_information [unit].ranges_base = DEBUG_INFO_UNAVAILABLE; | |
19e6b90e L |
2637 | debug_information [unit].loc_offsets = NULL; |
2638 | debug_information [unit].have_frame_base = NULL; | |
2639 | debug_information [unit].max_loc_offsets = 0; | |
2640 | debug_information [unit].num_loc_offsets = 0; | |
2641 | debug_information [unit].range_lists = NULL; | |
2642 | debug_information [unit].max_range_lists= 0; | |
2643 | debug_information [unit].num_range_lists = 0; | |
2644 | } | |
2645 | ||
fd2f0033 | 2646 | if (!do_loc && dwarf_start_die == 0) |
19e6b90e | 2647 | { |
47704ddf KT |
2648 | printf (_(" Compilation Unit @ offset 0x%s:\n"), |
2649 | dwarf_vmatoa ("x", cu_offset)); | |
2650 | printf (_(" Length: 0x%s (%s)\n"), | |
2651 | dwarf_vmatoa ("x", compunit.cu_length), | |
49e7b350 | 2652 | offset_size == 8 ? "64-bit" : "32-bit"); |
19e6b90e | 2653 | printf (_(" Version: %d\n"), compunit.cu_version); |
7282333f AM |
2654 | printf (_(" Abbrev Offset: 0x%s\n"), |
2655 | dwarf_vmatoa ("x", compunit.cu_abbrev_offset)); | |
19e6b90e | 2656 | printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size); |
2b6f5997 CC |
2657 | if (do_types) |
2658 | { | |
74bc6052 CC |
2659 | char buf[64]; |
2660 | ||
2661 | printf (_(" Signature: 0x%s\n"), | |
2662 | dwarf_vmatoa64 (signature_high, signature_low, | |
2663 | buf, sizeof (buf))); | |
2664 | printf (_(" Type Offset: 0x%s\n"), | |
2665 | dwarf_vmatoa ("x", type_offset)); | |
2b6f5997 | 2666 | } |
341f9135 CC |
2667 | if (this_set != NULL) |
2668 | { | |
2669 | dwarf_vma *offsets = this_set->section_offsets; | |
2670 | size_t *sizes = this_set->section_sizes; | |
2671 | ||
2672 | printf (_(" Section contributions:\n")); | |
2673 | printf (_(" .debug_abbrev.dwo: 0x%s 0x%s\n"), | |
2674 | dwarf_vmatoa ("x", offsets [DW_SECT_ABBREV]), | |
2675 | dwarf_vmatoa ("x", sizes [DW_SECT_ABBREV])); | |
2676 | printf (_(" .debug_line.dwo: 0x%s 0x%s\n"), | |
2677 | dwarf_vmatoa ("x", offsets [DW_SECT_LINE]), | |
2678 | dwarf_vmatoa ("x", sizes [DW_SECT_LINE])); | |
2679 | printf (_(" .debug_loc.dwo: 0x%s 0x%s\n"), | |
2680 | dwarf_vmatoa ("x", offsets [DW_SECT_LOC]), | |
2681 | dwarf_vmatoa ("x", sizes [DW_SECT_LOC])); | |
2682 | printf (_(" .debug_str_offsets.dwo: 0x%s 0x%s\n"), | |
2683 | dwarf_vmatoa ("x", offsets [DW_SECT_STR_OFFSETS]), | |
2684 | dwarf_vmatoa ("x", sizes [DW_SECT_STR_OFFSETS])); | |
2685 | } | |
19e6b90e L |
2686 | } |
2687 | ||
460c89ff NS |
2688 | if (cu_offset + compunit.cu_length + initial_length_size |
2689 | > section->size) | |
2690 | { | |
47704ddf | 2691 | warn (_("Debug info is corrupted, length of CU at %s" |
b4eb7656 | 2692 | " extends beyond end of section (length = %s)\n"), |
47704ddf KT |
2693 | dwarf_vmatoa ("x", cu_offset), |
2694 | dwarf_vmatoa ("x", compunit.cu_length)); | |
57028622 | 2695 | num_units = unit; |
460c89ff NS |
2696 | break; |
2697 | } | |
2698 | tags = hdrptr; | |
2699 | start += compunit.cu_length + initial_length_size; | |
2700 | ||
57028622 NC |
2701 | if (start > end) |
2702 | { | |
2703 | warn (_("Debug info is corrupt. CU at %s extends beyond end of section"), | |
2704 | dwarf_vmatoa ("x", cu_offset)); | |
2705 | start = end; | |
2706 | } | |
2707 | ||
77145576 | 2708 | if (compunit.cu_version < 2 || compunit.cu_version > 5) |
19e6b90e | 2709 | { |
47704ddf KT |
2710 | warn (_("CU at offset %s contains corrupt or " |
2711 | "unsupported version number: %d.\n"), | |
2712 | dwarf_vmatoa ("x", cu_offset), compunit.cu_version); | |
19e6b90e L |
2713 | continue; |
2714 | } | |
2715 | ||
77145576 JK |
2716 | if (compunit.cu_unit_type != DW_UT_compile |
2717 | && compunit.cu_unit_type != DW_UT_type) | |
2718 | { | |
2719 | warn (_("CU at offset %s contains corrupt or " | |
2720 | "unsupported unit type: %d.\n"), | |
2721 | dwarf_vmatoa ("x", cu_offset), compunit.cu_unit_type); | |
2722 | continue; | |
2723 | } | |
2724 | ||
19e6b90e L |
2725 | free_abbrevs (); |
2726 | ||
d493b283 | 2727 | /* Process the abbrevs used by this compilation unit. */ |
341f9135 | 2728 | if (compunit.cu_abbrev_offset >= abbrev_size) |
ec4d4525 NC |
2729 | warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"), |
2730 | (unsigned long) compunit.cu_abbrev_offset, | |
341f9135 | 2731 | (unsigned long) abbrev_size); |
b4eb7656 | 2732 | /* PR 17531: file:4bcd9ce9. */ |
a0a3b04c L |
2733 | else if ((abbrev_base + abbrev_size) |
2734 | > debug_displays [abbrev_sec].section.size) | |
2735 | warn (_("Debug info is corrupted, abbrev size (%lx) is larger than abbrev section size (%lx)\n"), | |
2736 | (unsigned long) abbrev_base + abbrev_size, | |
2737 | (unsigned long) debug_displays [abbrev_sec].section.size); | |
460c89ff NS |
2738 | else |
2739 | process_abbrev_section | |
341f9135 CC |
2740 | (((unsigned char *) debug_displays [abbrev_sec].section.start |
2741 | + abbrev_base + compunit.cu_abbrev_offset), | |
2742 | ((unsigned char *) debug_displays [abbrev_sec].section.start | |
2743 | + abbrev_base + abbrev_size)); | |
19e6b90e L |
2744 | |
2745 | level = 0; | |
fd2f0033 TT |
2746 | last_level = level; |
2747 | saved_level = -1; | |
19e6b90e L |
2748 | while (tags < start) |
2749 | { | |
2750 | unsigned int bytes_read; | |
2751 | unsigned long abbrev_number; | |
ec4d4525 | 2752 | unsigned long die_offset; |
19e6b90e L |
2753 | abbrev_entry *entry; |
2754 | abbrev_attr *attr; | |
fd2f0033 | 2755 | int do_printing = 1; |
19e6b90e | 2756 | |
ec4d4525 NC |
2757 | die_offset = tags - section_begin; |
2758 | ||
f6f0e17b | 2759 | abbrev_number = read_uleb128 (tags, & bytes_read, start); |
19e6b90e L |
2760 | tags += bytes_read; |
2761 | ||
eb7cc021 JK |
2762 | /* A null DIE marks the end of a list of siblings or it may also be |
2763 | a section padding. */ | |
19e6b90e L |
2764 | if (abbrev_number == 0) |
2765 | { | |
eb7cc021 JK |
2766 | /* Check if it can be a section padding for the last CU. */ |
2767 | if (level == 0 && start == end) | |
2768 | { | |
2769 | unsigned char *chk; | |
2770 | ||
2771 | for (chk = tags; chk < start; chk++) | |
2772 | if (*chk != 0) | |
2773 | break; | |
2774 | if (chk == start) | |
2775 | break; | |
2776 | } | |
2777 | ||
4337774f TT |
2778 | if (!do_loc && die_offset >= dwarf_start_die |
2779 | && (dwarf_cutoff_level == -1 | |
2780 | || level < dwarf_cutoff_level)) | |
399c99f7 L |
2781 | printf (_(" <%d><%lx>: Abbrev Number: 0\n"), |
2782 | level, die_offset); | |
2783 | ||
19e6b90e | 2784 | --level; |
ec4d4525 NC |
2785 | if (level < 0) |
2786 | { | |
2787 | static unsigned num_bogus_warns = 0; | |
2788 | ||
2789 | if (num_bogus_warns < 3) | |
2790 | { | |
4723351a CC |
2791 | warn (_("Bogus end-of-siblings marker detected at offset %lx in %s section\n"), |
2792 | die_offset, section->name); | |
ec4d4525 NC |
2793 | num_bogus_warns ++; |
2794 | if (num_bogus_warns == 3) | |
2795 | warn (_("Further warnings about bogus end-of-sibling markers suppressed\n")); | |
2796 | } | |
2797 | } | |
fd2f0033 TT |
2798 | if (dwarf_start_die != 0 && level < saved_level) |
2799 | return 1; | |
19e6b90e L |
2800 | continue; |
2801 | } | |
2802 | ||
4b78141a | 2803 | if (!do_loc) |
fd2f0033 TT |
2804 | { |
2805 | if (dwarf_start_die != 0 && die_offset < dwarf_start_die) | |
2806 | do_printing = 0; | |
2807 | else | |
2808 | { | |
2809 | if (dwarf_start_die != 0 && die_offset == dwarf_start_die) | |
2810 | saved_level = level; | |
2811 | do_printing = (dwarf_cutoff_level == -1 | |
2812 | || level < dwarf_cutoff_level); | |
2813 | if (do_printing) | |
2814 | printf (_(" <%d><%lx>: Abbrev Number: %lu"), | |
2815 | level, die_offset, abbrev_number); | |
2816 | else if (dwarf_cutoff_level == -1 | |
2817 | || last_level < dwarf_cutoff_level) | |
2818 | printf (_(" <%d><%lx>: ...\n"), level, die_offset); | |
2819 | last_level = level; | |
2820 | } | |
2821 | } | |
cecf136e | 2822 | |
19e6b90e L |
2823 | /* Scan through the abbreviation list until we reach the |
2824 | correct entry. */ | |
2825 | for (entry = first_abbrev; | |
2826 | entry && entry->entry != abbrev_number; | |
2827 | entry = entry->next) | |
2828 | continue; | |
2829 | ||
2830 | if (entry == NULL) | |
2831 | { | |
fd2f0033 | 2832 | if (!do_loc && do_printing) |
4b78141a NC |
2833 | { |
2834 | printf ("\n"); | |
2835 | fflush (stdout); | |
2836 | } | |
f3853b34 | 2837 | warn (_("DIE at offset 0x%lx refers to abbreviation number %lu which does not exist\n"), |
cc86f28f | 2838 | die_offset, abbrev_number); |
19e6b90e L |
2839 | return 0; |
2840 | } | |
2841 | ||
fd2f0033 | 2842 | if (!do_loc && do_printing) |
cc5914eb | 2843 | printf (" (%s)\n", get_TAG_name (entry->tag)); |
cecf136e | 2844 | |
19e6b90e L |
2845 | switch (entry->tag) |
2846 | { | |
2847 | default: | |
2848 | need_base_address = 0; | |
2849 | break; | |
2850 | case DW_TAG_compile_unit: | |
2851 | need_base_address = 1; | |
2852 | break; | |
2853 | case DW_TAG_entry_point: | |
19e6b90e L |
2854 | case DW_TAG_subprogram: |
2855 | need_base_address = 0; | |
2856 | /* Assuming that there is no DW_AT_frame_base. */ | |
2857 | have_frame_base = 0; | |
2858 | break; | |
2859 | } | |
2860 | ||
399c99f7 L |
2861 | for (attr = entry->first_attr; |
2862 | attr && attr->attribute; | |
2863 | attr = attr->next) | |
4b78141a | 2864 | { |
fd2f0033 TT |
2865 | debug_info *arg; |
2866 | ||
2867 | if (! do_loc && do_printing) | |
4b78141a | 2868 | /* Show the offset from where the tag was extracted. */ |
fd2f0033 TT |
2869 | printf (" <%lx>", (unsigned long)(tags - section_begin)); |
2870 | ||
82b1b41b NC |
2871 | if (debug_information && unit < alloc_num_debug_info_entries) |
2872 | arg = debug_information + unit; | |
2873 | else | |
2874 | arg = NULL; | |
f3853b34 | 2875 | |
4b78141a NC |
2876 | tags = read_and_display_attr (attr->attribute, |
2877 | attr->form, | |
77145576 | 2878 | attr->implicit_const, |
341f9135 | 2879 | tags, |
f6f0e17b | 2880 | end, |
341f9135 | 2881 | cu_offset, |
4b78141a NC |
2882 | compunit.cu_pointer_size, |
2883 | offset_size, | |
2884 | compunit.cu_version, | |
fd2f0033 | 2885 | arg, |
341f9135 CC |
2886 | do_loc || ! do_printing, |
2887 | section, | |
2888 | this_set); | |
4b78141a | 2889 | } |
cecf136e | 2890 | |
b4eb7656 AM |
2891 | if (entry->children) |
2892 | ++level; | |
2893 | } | |
19e6b90e | 2894 | } |
cecf136e | 2895 | |
19e6b90e L |
2896 | /* Set num_debug_info_entries here so that it can be used to check if |
2897 | we need to process .debug_loc and .debug_ranges sections. */ | |
2898 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
2899 | && num_debug_info_entries == 0 |
2900 | && ! do_types) | |
82b1b41b | 2901 | { |
b4eb7656 | 2902 | if (num_units > alloc_num_debug_info_entries) |
82b1b41b NC |
2903 | num_debug_info_entries = alloc_num_debug_info_entries; |
2904 | else | |
2905 | num_debug_info_entries = num_units; | |
2906 | } | |
cecf136e | 2907 | |
19e6b90e | 2908 | if (!do_loc) |
467c65bc | 2909 | printf ("\n"); |
cecf136e | 2910 | |
19e6b90e L |
2911 | return 1; |
2912 | } | |
2913 | ||
2914 | /* Locate and scan the .debug_info section in the file and record the pointer | |
2915 | sizes and offsets for the compilation units in it. Usually an executable | |
2916 | will have just one pointer size, but this is not guaranteed, and so we try | |
2917 | not to make any assumptions. Returns zero upon failure, or the number of | |
2918 | compilation units upon success. */ | |
2919 | ||
2920 | static unsigned int | |
2921 | load_debug_info (void * file) | |
2922 | { | |
2923 | /* Reset the last pointer size so that we can issue correct error | |
2924 | messages if we are displaying the contents of more than one section. */ | |
2925 | last_pointer_size = 0; | |
2926 | warned_about_missing_comp_units = FALSE; | |
2927 | ||
1febe64d | 2928 | /* If we have already tried and failed to load the .debug_info |
657d0d47 | 2929 | section then do not bother to repeat the task. */ |
cc86f28f | 2930 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) |
1febe64d NC |
2931 | return 0; |
2932 | ||
19e6b90e L |
2933 | /* If we already have the information there is nothing else to do. */ |
2934 | if (num_debug_info_entries > 0) | |
2935 | return num_debug_info_entries; | |
2936 | ||
341f9135 | 2937 | /* If this is a DWARF package file, load the CU and TU indexes. */ |
43a444f9 | 2938 | (void) load_cu_tu_indexes (file); |
341f9135 | 2939 | |
19e6b90e | 2940 | if (load_debug_section (info, file) |
6f875884 | 2941 | && process_debug_info (&debug_displays [info].section, file, abbrev, 1, 0)) |
19e6b90e | 2942 | return num_debug_info_entries; |
82b1b41b NC |
2943 | |
2944 | if (load_debug_section (info_dwo, file) | |
2945 | && process_debug_info (&debug_displays [info_dwo].section, file, | |
2946 | abbrev_dwo, 1, 0)) | |
4723351a | 2947 | return num_debug_info_entries; |
1febe64d | 2948 | |
cc86f28f | 2949 | num_debug_info_entries = DEBUG_INFO_UNAVAILABLE; |
1febe64d | 2950 | return 0; |
19e6b90e L |
2951 | } |
2952 | ||
b40bf0a2 NC |
2953 | /* Read a DWARF .debug_line section header starting at DATA. |
2954 | Upon success returns an updated DATA pointer and the LINFO | |
2955 | structure and the END_OF_SEQUENCE pointer will be filled in. | |
2956 | Otherwise returns NULL. */ | |
19e6b90e | 2957 | |
b40bf0a2 NC |
2958 | static unsigned char * |
2959 | read_debug_line_header (struct dwarf_section * section, | |
2960 | unsigned char * data, | |
2961 | unsigned char * end, | |
2962 | DWARF2_Internal_LineInfo * linfo, | |
2963 | unsigned char ** end_of_sequence) | |
2964 | { | |
2965 | unsigned char *hdrptr; | |
b40bf0a2 | 2966 | unsigned int initial_length_size; |
77145576 | 2967 | unsigned char address_size, segment_selector_size; |
19e6b90e | 2968 | |
b40bf0a2 NC |
2969 | /* Extract information from the Line Number Program Header. |
2970 | (section 6.2.4 in the Dwarf3 doc). */ | |
6937bb54 | 2971 | hdrptr = data; |
19e6b90e | 2972 | |
b40bf0a2 NC |
2973 | /* Get and check the length of the block. */ |
2974 | SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 4, end); | |
19e6b90e | 2975 | |
b40bf0a2 | 2976 | if (linfo->li_length == 0xffffffff) |
f41e4712 NC |
2977 | { |
2978 | /* This section is 64-bit DWARF 3. */ | |
b40bf0a2 | 2979 | SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end); |
77145576 | 2980 | linfo->li_offset_size = 8; |
f41e4712 NC |
2981 | initial_length_size = 12; |
2982 | } | |
2983 | else | |
2984 | { | |
77145576 | 2985 | linfo->li_offset_size = 4; |
f41e4712 NC |
2986 | initial_length_size = 4; |
2987 | } | |
19e6b90e | 2988 | |
b40bf0a2 | 2989 | if (linfo->li_length + initial_length_size > section->size) |
f41e4712 | 2990 | { |
8fcc61b4 NC |
2991 | /* If the length field has a relocation against it, then we should |
2992 | not complain if it is inaccurate (and probably negative). This | |
2993 | happens in object files when the .debug_line section is actually | |
2994 | comprised of several different .debug_line.* sections, (some of | |
2995 | which may be removed by linker garbage collection), and a relocation | |
2996 | is used to compute the correct length once that is done. */ | |
77145576 | 2997 | if (reloc_at (section, (hdrptr - section->start) - linfo->li_offset_size)) |
b40bf0a2 | 2998 | { |
8fcc61b4 | 2999 | linfo->li_length = (end - data) - initial_length_size; |
b40bf0a2 NC |
3000 | } |
3001 | else | |
3002 | { | |
8fcc61b4 NC |
3003 | warn (_("The length field (0x%lx) in the debug_line header is wrong - the section is too small\n"), |
3004 | (long) linfo->li_length); | |
b40bf0a2 NC |
3005 | return NULL; |
3006 | } | |
f41e4712 | 3007 | } |
19e6b90e | 3008 | |
b40bf0a2 NC |
3009 | /* Get and check the version number. */ |
3010 | SAFE_BYTE_GET_AND_INC (linfo->li_version, hdrptr, 2, end); | |
3011 | ||
3012 | if (linfo->li_version != 2 | |
3013 | && linfo->li_version != 3 | |
77145576 JK |
3014 | && linfo->li_version != 4 |
3015 | && linfo->li_version != 5) | |
f41e4712 | 3016 | { |
77145576 JK |
3017 | warn (_("Only DWARF version 2, 3, 4 and 5 line info " |
3018 | "is currently supported.\n")); | |
b40bf0a2 | 3019 | return NULL; |
f41e4712 | 3020 | } |
19e6b90e | 3021 | |
77145576 JK |
3022 | if (linfo->li_version >= 5) |
3023 | { | |
3024 | SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end); | |
3025 | ||
3026 | SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end); | |
3027 | if (segment_selector_size != 0) | |
3028 | { | |
3029 | warn (_("The %s section contains " | |
3030 | "unsupported segment selector size: %d.\n"), | |
3031 | section->name, segment_selector_size); | |
3032 | return 0; | |
3033 | } | |
3034 | } | |
3035 | ||
3036 | SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr, | |
3037 | linfo->li_offset_size, end); | |
b40bf0a2 | 3038 | SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end); |
0c588247 | 3039 | |
b40bf0a2 | 3040 | if (linfo->li_version >= 4) |
f41e4712 | 3041 | { |
b40bf0a2 | 3042 | SAFE_BYTE_GET_AND_INC (linfo->li_max_ops_per_insn, hdrptr, 1, end); |
0c588247 | 3043 | |
b40bf0a2 | 3044 | if (linfo->li_max_ops_per_insn == 0) |
f41e4712 NC |
3045 | { |
3046 | warn (_("Invalid maximum operations per insn.\n")); | |
b40bf0a2 | 3047 | return NULL; |
a233b20c | 3048 | } |
f41e4712 NC |
3049 | } |
3050 | else | |
b40bf0a2 | 3051 | linfo->li_max_ops_per_insn = 1; |
0c588247 | 3052 | |
b40bf0a2 | 3053 | SAFE_BYTE_GET_AND_INC (linfo->li_default_is_stmt, hdrptr, 1, end); |
65879393 | 3054 | SAFE_SIGNED_BYTE_GET_AND_INC (linfo->li_line_base, hdrptr, 1, end); |
b40bf0a2 NC |
3055 | SAFE_BYTE_GET_AND_INC (linfo->li_line_range, hdrptr, 1, end); |
3056 | SAFE_BYTE_GET_AND_INC (linfo->li_opcode_base, hdrptr, 1, end); | |
19e6b90e | 3057 | |
b40bf0a2 | 3058 | * end_of_sequence = data + linfo->li_length + initial_length_size; |
b4eb7656 | 3059 | /* PR 17512: file:002-117414-0.004. */ |
6937bb54 NC |
3060 | if (* end_of_sequence > end) |
3061 | { | |
4c219c2e AM |
3062 | warn (_("Line length %s extends beyond end of section\n"), |
3063 | dwarf_vmatoa ("u", linfo->li_length)); | |
6937bb54 NC |
3064 | * end_of_sequence = end; |
3065 | return NULL; | |
3066 | } | |
3067 | ||
b40bf0a2 NC |
3068 | return hdrptr; |
3069 | } | |
19e6b90e | 3070 | |
77145576 JK |
3071 | static unsigned char * |
3072 | display_formatted_table (unsigned char *data, | |
3073 | unsigned char *start, unsigned char *end, | |
3074 | const DWARF2_Internal_LineInfo *linfo, | |
3075 | struct dwarf_section *section, const char *what) | |
3076 | { | |
3077 | unsigned char *format_start, format_count, *format, formati; | |
3078 | dwarf_vma data_count, datai; | |
3079 | unsigned int bytes_read, namepass, last_entry = 0; | |
3080 | ||
3081 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); | |
3082 | format_start = data; | |
3083 | for (formati = 0; formati < format_count; formati++) | |
3084 | { | |
3085 | read_uleb128 (data, & bytes_read, end); | |
3086 | data += bytes_read; | |
3087 | read_uleb128 (data, & bytes_read, end); | |
3088 | data += bytes_read; | |
3089 | if (data == end) | |
3090 | { | |
14357de1 | 3091 | warn (_("Corrupt %s format table entry\n"), what); |
77145576 JK |
3092 | return data; |
3093 | } | |
3094 | } | |
3095 | ||
3096 | data_count = read_uleb128 (data, & bytes_read, end); | |
3097 | data += bytes_read; | |
3098 | if (data == end) | |
3099 | { | |
3100 | warn (_("Corrupt %s list\n"), what); | |
3101 | return data; | |
3102 | } | |
3103 | ||
3104 | if (data_count == 0) | |
3105 | { | |
3106 | printf (_("\n The %s Table is empty.\n"), what); | |
3107 | return data; | |
3108 | } | |
3109 | ||
3110 | printf (_("\n The %s Table (offset 0x%lx):\n"), what, | |
3111 | (long)(data - start)); | |
3112 | ||
3113 | printf (_(" Entry")); | |
3114 | /* Delay displaying name as the last entry for better screen layout. */ | |
3115 | for (namepass = 0; namepass < 2; namepass++) | |
3116 | { | |
3117 | format = format_start; | |
3118 | for (formati = 0; formati < format_count; formati++) | |
3119 | { | |
3120 | dwarf_vma content_type; | |
3121 | ||
3122 | content_type = read_uleb128 (format, & bytes_read, end); | |
3123 | format += bytes_read; | |
3124 | if ((content_type == DW_LNCT_path) == (namepass == 1)) | |
3125 | switch (content_type) | |
3126 | { | |
3127 | case DW_LNCT_path: | |
3128 | printf (_("\tName")); | |
3129 | break; | |
3130 | case DW_LNCT_directory_index: | |
3131 | printf (_("\tDir")); | |
3132 | break; | |
3133 | case DW_LNCT_timestamp: | |
3134 | printf (_("\tTime")); | |
3135 | break; | |
3136 | case DW_LNCT_size: | |
3137 | printf (_("\tSize")); | |
3138 | break; | |
3139 | case DW_LNCT_MD5: | |
3140 | printf (_("\tMD5")); | |
3141 | break; | |
3142 | default: | |
3143 | printf (_("\t(Unknown format content type %s)"), | |
3144 | dwarf_vmatoa ("u", content_type)); | |
3145 | } | |
3146 | read_uleb128 (format, & bytes_read, end); | |
3147 | format += bytes_read; | |
3148 | } | |
3149 | } | |
3150 | putchar ('\n'); | |
3151 | ||
3152 | for (datai = 0; datai < data_count; datai++) | |
3153 | { | |
3154 | unsigned char *datapass = data; | |
3155 | ||
3156 | printf (" %d", last_entry++); | |
3157 | /* Delay displaying name as the last entry for better screen layout. */ | |
3158 | for (namepass = 0; namepass < 2; namepass++) | |
3159 | { | |
3160 | format = format_start; | |
3161 | data = datapass; | |
3162 | for (formati = 0; formati < format_count; formati++) | |
3163 | { | |
3164 | dwarf_vma content_type, form; | |
3165 | ||
3166 | content_type = read_uleb128 (format, & bytes_read, end); | |
3167 | format += bytes_read; | |
3168 | form = read_uleb128 (format, & bytes_read, end); | |
3169 | format += bytes_read; | |
3170 | data = read_and_display_attr_value (0, form, 0, data, end, 0, 0, | |
3171 | linfo->li_offset_size, | |
3172 | linfo->li_version, NULL, | |
3173 | ((content_type == DW_LNCT_path) != (namepass == 1)), | |
3174 | section, NULL, '\t'); | |
3175 | } | |
3176 | } | |
3177 | if (data == end) | |
3178 | { | |
3179 | warn (_("Corrupt %s entries list\n"), what); | |
3180 | return data; | |
3181 | } | |
3182 | putchar ('\n'); | |
3183 | } | |
3184 | return data; | |
3185 | } | |
3186 | ||
b40bf0a2 NC |
3187 | static int |
3188 | display_debug_lines_raw (struct dwarf_section *section, | |
3189 | unsigned char *data, | |
77145576 | 3190 | unsigned char *end, void *file) |
b40bf0a2 NC |
3191 | { |
3192 | unsigned char *start = section->start; | |
19e6b90e | 3193 | |
b40bf0a2 | 3194 | printf (_("Raw dump of debug contents of section %s:\n\n"), |
b4eb7656 | 3195 | section->name); |
19e6b90e | 3196 | |
b40bf0a2 NC |
3197 | while (data < end) |
3198 | { | |
3199 | static DWARF2_Internal_LineInfo saved_linfo; | |
3200 | DWARF2_Internal_LineInfo linfo; | |
3201 | unsigned char *standard_opcodes; | |
3202 | unsigned char *end_of_sequence; | |
fe59e83d | 3203 | int i; |
19e6b90e | 3204 | |
4925cdd7 NC |
3205 | if (const_strneq (section->name, ".debug_line.") |
3206 | /* Note: the following does not apply to .debug_line.dwo sections. | |
3207 | These are full debug_line sections. */ | |
3208 | && strcmp (section->name, ".debug_line.dwo") != 0) | |
19e6b90e | 3209 | { |
b40bf0a2 NC |
3210 | /* Sections named .debug_line.<foo> are fragments of a .debug_line |
3211 | section containing just the Line Number Statements. They are | |
3212 | created by the assembler and intended to be used alongside gcc's | |
3213 | -ffunction-sections command line option. When the linker's | |
3214 | garbage collection decides to discard a .text.<foo> section it | |
3215 | can then also discard the line number information in .debug_line.<foo>. | |
3216 | ||
4925cdd7 | 3217 | Since the section is a fragment it does not have the details |
b40bf0a2 | 3218 | needed to fill out a LineInfo structure, so instead we use the |
4925cdd7 | 3219 | details from the last full debug_line section that we processed. */ |
b40bf0a2 NC |
3220 | end_of_sequence = end; |
3221 | standard_opcodes = NULL; | |
3222 | linfo = saved_linfo; | |
058037d3 NC |
3223 | /* PR 17531: file: 0522b371. */ |
3224 | if (linfo.li_line_range == 0) | |
3225 | { | |
1306a742 | 3226 | warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n")); |
058037d3 NC |
3227 | return 0; |
3228 | } | |
b40bf0a2 | 3229 | reset_state_machine (linfo.li_default_is_stmt); |
19e6b90e | 3230 | } |
19e6b90e L |
3231 | else |
3232 | { | |
b40bf0a2 | 3233 | unsigned char * hdrptr; |
19e6b90e | 3234 | |
b40bf0a2 NC |
3235 | if ((hdrptr = read_debug_line_header (section, data, end, & linfo, |
3236 | & end_of_sequence)) == NULL) | |
3237 | return 0; | |
19e6b90e | 3238 | |
b40bf0a2 NC |
3239 | printf (_(" Offset: 0x%lx\n"), (long)(data - start)); |
3240 | printf (_(" Length: %ld\n"), (long) linfo.li_length); | |
3241 | printf (_(" DWARF Version: %d\n"), linfo.li_version); | |
77ef8654 | 3242 | printf (_(" Prologue Length: %d\n"), (int) linfo.li_prologue_length); |
b40bf0a2 NC |
3243 | printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length); |
3244 | if (linfo.li_version >= 4) | |
3245 | printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn); | |
3246 | printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt); | |
3247 | printf (_(" Line Base: %d\n"), linfo.li_line_base); | |
3248 | printf (_(" Line Range: %d\n"), linfo.li_line_range); | |
3249 | printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base); | |
19e6b90e | 3250 | |
0a9d414a NC |
3251 | /* PR 17512: file: 1665-6428-0.004. */ |
3252 | if (linfo.li_line_range == 0) | |
3253 | { | |
3254 | warn (_("Line range of 0 is invalid, using 1 instead\n")); | |
3255 | linfo.li_line_range = 1; | |
3256 | } | |
77ef8654 | 3257 | |
b40bf0a2 | 3258 | reset_state_machine (linfo.li_default_is_stmt); |
19e6b90e | 3259 | |
b40bf0a2 NC |
3260 | /* Display the contents of the Opcodes table. */ |
3261 | standard_opcodes = hdrptr; | |
19e6b90e | 3262 | |
6937bb54 NC |
3263 | /* PR 17512: file: 002-417945-0.004. */ |
3264 | if (standard_opcodes + linfo.li_opcode_base >= end) | |
3265 | { | |
3266 | warn (_("Line Base extends beyond end of section\n")); | |
3267 | return 0; | |
3268 | } | |
3269 | ||
b40bf0a2 | 3270 | printf (_("\n Opcodes:\n")); |
19e6b90e | 3271 | |
b40bf0a2 NC |
3272 | for (i = 1; i < linfo.li_opcode_base; i++) |
3273 | printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]); | |
19e6b90e | 3274 | |
b40bf0a2 NC |
3275 | /* Display the contents of the Directory table. */ |
3276 | data = standard_opcodes + linfo.li_opcode_base - 1; | |
19e6b90e | 3277 | |
77145576 | 3278 | if (linfo.li_version >= 5) |
b40bf0a2 | 3279 | { |
77145576 | 3280 | load_debug_section (line_str, file); |
19e6b90e | 3281 | |
77145576 JK |
3282 | data = display_formatted_table (data, start, end, &linfo, section, |
3283 | _("Directory")); | |
3284 | data = display_formatted_table (data, start, end, &linfo, section, | |
3285 | _("File name")); | |
3286 | } | |
3287 | else | |
3288 | { | |
3289 | if (*data == 0) | |
3290 | printf (_("\n The Directory Table is empty.\n")); | |
3291 | else | |
a233b20c | 3292 | { |
77145576 | 3293 | unsigned int last_dir_entry = 0; |
6937bb54 | 3294 | |
77145576 JK |
3295 | printf (_("\n The Directory Table (offset 0x%lx):\n"), |
3296 | (long)(data - start)); | |
19e6b90e | 3297 | |
77145576 JK |
3298 | while (data < end && *data != 0) |
3299 | { | |
3300 | printf (" %d\t%.*s\n", ++last_dir_entry, (int) (end - data), data); | |
19e6b90e | 3301 | |
77145576 JK |
3302 | data += strnlen ((char *) data, end - data) + 1; |
3303 | } | |
19e6b90e | 3304 | |
77145576 JK |
3305 | /* PR 17512: file: 002-132094-0.004. */ |
3306 | if (data >= end - 1) | |
3307 | break; | |
3308 | } | |
19e6b90e | 3309 | |
77145576 JK |
3310 | /* Skip the NUL at the end of the table. */ |
3311 | data++; | |
19e6b90e | 3312 | |
77145576 JK |
3313 | /* Display the contents of the File Name table. */ |
3314 | if (*data == 0) | |
3315 | printf (_("\n The File Name Table is empty.\n")); | |
3316 | else | |
3317 | { | |
3318 | printf (_("\n The File Name Table (offset 0x%lx):\n"), | |
3319 | (long)(data - start)); | |
3320 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); | |
19e6b90e | 3321 | |
77145576 | 3322 | while (data < end && *data != 0) |
b40bf0a2 | 3323 | { |
77145576 JK |
3324 | unsigned char *name; |
3325 | unsigned int bytes_read; | |
3326 | ||
3327 | printf (" %d\t", ++state_machine_regs.last_file_entry); | |
3328 | name = data; | |
3329 | data += strnlen ((char *) data, end - data) + 1; | |
3330 | ||
3331 | printf ("%s\t", | |
3332 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
3333 | data += bytes_read; | |
3334 | printf ("%s\t", | |
3335 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
3336 | data += bytes_read; | |
3337 | printf ("%s\t", | |
3338 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
3339 | data += bytes_read; | |
3340 | printf ("%.*s\n", (int)(end - name), name); | |
3341 | ||
3342 | if (data == end) | |
3343 | { | |
3344 | warn (_("Corrupt file name table entry\n")); | |
3345 | break; | |
3346 | } | |
b40bf0a2 | 3347 | } |
a233b20c | 3348 | } |
77145576 JK |
3349 | |
3350 | /* Skip the NUL at the end of the table. */ | |
3351 | data++; | |
b40bf0a2 | 3352 | } |
19e6b90e | 3353 | |
b40bf0a2 NC |
3354 | putchar ('\n'); |
3355 | saved_linfo = linfo; | |
3356 | } | |
19e6b90e | 3357 | |
b40bf0a2 NC |
3358 | /* Now display the statements. */ |
3359 | if (data >= end_of_sequence) | |
3360 | printf (_(" No Line Number Statements.\n")); | |
3361 | else | |
3362 | { | |
3363 | printf (_(" Line Number Statements:\n")); | |
19e6b90e | 3364 | |
b40bf0a2 NC |
3365 | while (data < end_of_sequence) |
3366 | { | |
3367 | unsigned char op_code; | |
3368 | dwarf_signed_vma adv; | |
3369 | dwarf_vma uladv; | |
3370 | unsigned int bytes_read; | |
19e6b90e | 3371 | |
fe59e83d CC |
3372 | printf (" [0x%08lx]", (long)(data - start)); |
3373 | ||
b40bf0a2 | 3374 | op_code = *data++; |
19e6b90e | 3375 | |
b40bf0a2 | 3376 | if (op_code >= linfo.li_opcode_base) |
19e6b90e | 3377 | { |
b40bf0a2 NC |
3378 | op_code -= linfo.li_opcode_base; |
3379 | uladv = (op_code / linfo.li_line_range); | |
3380 | if (linfo.li_max_ops_per_insn == 1) | |
3381 | { | |
3382 | uladv *= linfo.li_min_insn_length; | |
3383 | state_machine_regs.address += uladv; | |
3384 | printf (_(" Special opcode %d: " | |
3385 | "advance Address by %s to 0x%s"), | |
3386 | op_code, dwarf_vmatoa ("u", uladv), | |
3387 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
3388 | } | |
3389 | else | |
3390 | { | |
3391 | state_machine_regs.address | |
3392 | += ((state_machine_regs.op_index + uladv) | |
3393 | / linfo.li_max_ops_per_insn) | |
3394 | * linfo.li_min_insn_length; | |
3395 | state_machine_regs.op_index | |
3396 | = (state_machine_regs.op_index + uladv) | |
3397 | % linfo.li_max_ops_per_insn; | |
3398 | printf (_(" Special opcode %d: " | |
3399 | "advance Address by %s to 0x%s[%d]"), | |
3400 | op_code, dwarf_vmatoa ("u", uladv), | |
3401 | dwarf_vmatoa ("x", state_machine_regs.address), | |
3402 | state_machine_regs.op_index); | |
3403 | } | |
3404 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; | |
3405 | state_machine_regs.line += adv; | |
3406 | printf (_(" and Line by %s to %d\n"), | |
3407 | dwarf_vmatoa ("d", adv), state_machine_regs.line); | |
19e6b90e | 3408 | } |
b40bf0a2 NC |
3409 | else switch (op_code) |
3410 | { | |
3411 | case DW_LNS_extended_op: | |
3412 | data += process_extended_line_op (data, linfo.li_default_is_stmt, end); | |
3413 | break; | |
3414 | ||
3415 | case DW_LNS_copy: | |
3416 | printf (_(" Copy\n")); | |
3417 | break; | |
3418 | ||
3419 | case DW_LNS_advance_pc: | |
3420 | uladv = read_uleb128 (data, & bytes_read, end); | |
3421 | data += bytes_read; | |
3422 | if (linfo.li_max_ops_per_insn == 1) | |
3423 | { | |
3424 | uladv *= linfo.li_min_insn_length; | |
3425 | state_machine_regs.address += uladv; | |
3426 | printf (_(" Advance PC by %s to 0x%s\n"), | |
3427 | dwarf_vmatoa ("u", uladv), | |
3428 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
3429 | } | |
3430 | else | |
3431 | { | |
3432 | state_machine_regs.address | |
3433 | += ((state_machine_regs.op_index + uladv) | |
3434 | / linfo.li_max_ops_per_insn) | |
3435 | * linfo.li_min_insn_length; | |
3436 | state_machine_regs.op_index | |
3437 | = (state_machine_regs.op_index + uladv) | |
3438 | % linfo.li_max_ops_per_insn; | |
3439 | printf (_(" Advance PC by %s to 0x%s[%d]\n"), | |
3440 | dwarf_vmatoa ("u", uladv), | |
3441 | dwarf_vmatoa ("x", state_machine_regs.address), | |
3442 | state_machine_regs.op_index); | |
3443 | } | |
3444 | break; | |
3445 | ||
3446 | case DW_LNS_advance_line: | |
3447 | adv = read_sleb128 (data, & bytes_read, end); | |
3448 | data += bytes_read; | |
3449 | state_machine_regs.line += adv; | |
3450 | printf (_(" Advance Line by %s to %d\n"), | |
3451 | dwarf_vmatoa ("d", adv), | |
3452 | state_machine_regs.line); | |
3453 | break; | |
3454 | ||
3455 | case DW_LNS_set_file: | |
3456 | adv = read_uleb128 (data, & bytes_read, end); | |
3457 | data += bytes_read; | |
3458 | printf (_(" Set File Name to entry %s in the File Name Table\n"), | |
3459 | dwarf_vmatoa ("d", adv)); | |
3460 | state_machine_regs.file = adv; | |
3461 | break; | |
3462 | ||
3463 | case DW_LNS_set_column: | |
3464 | uladv = read_uleb128 (data, & bytes_read, end); | |
3465 | data += bytes_read; | |
3466 | printf (_(" Set column to %s\n"), | |
3467 | dwarf_vmatoa ("u", uladv)); | |
3468 | state_machine_regs.column = uladv; | |
3469 | break; | |
3470 | ||
3471 | case DW_LNS_negate_stmt: | |
3472 | adv = state_machine_regs.is_stmt; | |
3473 | adv = ! adv; | |
3474 | printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv)); | |
3475 | state_machine_regs.is_stmt = adv; | |
3476 | break; | |
3477 | ||
3478 | case DW_LNS_set_basic_block: | |
3479 | printf (_(" Set basic block\n")); | |
3480 | state_machine_regs.basic_block = 1; | |
3481 | break; | |
3482 | ||
3483 | case DW_LNS_const_add_pc: | |
3484 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); | |
3485 | if (linfo.li_max_ops_per_insn) | |
3486 | { | |
3487 | uladv *= linfo.li_min_insn_length; | |
3488 | state_machine_regs.address += uladv; | |
3489 | printf (_(" Advance PC by constant %s to 0x%s\n"), | |
3490 | dwarf_vmatoa ("u", uladv), | |
3491 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
3492 | } | |
3493 | else | |
3494 | { | |
3495 | state_machine_regs.address | |
3496 | += ((state_machine_regs.op_index + uladv) | |
3497 | / linfo.li_max_ops_per_insn) | |
3498 | * linfo.li_min_insn_length; | |
3499 | state_machine_regs.op_index | |
3500 | = (state_machine_regs.op_index + uladv) | |
3501 | % linfo.li_max_ops_per_insn; | |
3502 | printf (_(" Advance PC by constant %s to 0x%s[%d]\n"), | |
3503 | dwarf_vmatoa ("u", uladv), | |
3504 | dwarf_vmatoa ("x", state_machine_regs.address), | |
3505 | state_machine_regs.op_index); | |
3506 | } | |
3507 | break; | |
3508 | ||
3509 | case DW_LNS_fixed_advance_pc: | |
3510 | SAFE_BYTE_GET_AND_INC (uladv, data, 2, end); | |
3511 | state_machine_regs.address += uladv; | |
3512 | state_machine_regs.op_index = 0; | |
3513 | printf (_(" Advance PC by fixed size amount %s to 0x%s\n"), | |
3514 | dwarf_vmatoa ("u", uladv), | |
3515 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
3516 | break; | |
3517 | ||
3518 | case DW_LNS_set_prologue_end: | |
3519 | printf (_(" Set prologue_end to true\n")); | |
3520 | break; | |
3521 | ||
3522 | case DW_LNS_set_epilogue_begin: | |
3523 | printf (_(" Set epilogue_begin to true\n")); | |
3524 | break; | |
3525 | ||
3526 | case DW_LNS_set_isa: | |
3527 | uladv = read_uleb128 (data, & bytes_read, end); | |
3528 | data += bytes_read; | |
3529 | printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv)); | |
3530 | break; | |
3531 | ||
3532 | default: | |
3533 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
3534 | ||
3535 | if (standard_opcodes != NULL) | |
3536 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
3537 | { | |
3538 | printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data, | |
3539 | &bytes_read, end)), | |
3540 | i == 1 ? "" : ", "); | |
3541 | data += bytes_read; | |
3542 | } | |
3543 | putchar ('\n'); | |
3544 | break; | |
3545 | } | |
19e6b90e | 3546 | } |
b40bf0a2 | 3547 | putchar ('\n'); |
19e6b90e | 3548 | } |
19e6b90e L |
3549 | } |
3550 | ||
3551 | return 1; | |
3552 | } | |
3553 | ||
a262ae96 NC |
3554 | typedef struct |
3555 | { | |
467c65bc NC |
3556 | unsigned char *name; |
3557 | unsigned int directory_index; | |
3558 | unsigned int modification_date; | |
3559 | unsigned int length; | |
a262ae96 NC |
3560 | } File_Entry; |
3561 | ||
3562 | /* Output a decoded representation of the .debug_line section. */ | |
3563 | ||
3564 | static int | |
3565 | display_debug_lines_decoded (struct dwarf_section *section, | |
3566 | unsigned char *data, | |
77145576 | 3567 | unsigned char *end, void *fileptr) |
a262ae96 | 3568 | { |
b40bf0a2 NC |
3569 | static DWARF2_Internal_LineInfo saved_linfo; |
3570 | ||
a262ae96 | 3571 | printf (_("Decoded dump of debug contents of section %s:\n\n"), |
b4eb7656 | 3572 | section->name); |
a262ae96 NC |
3573 | |
3574 | while (data < end) | |
3575 | { | |
3576 | /* This loop amounts to one iteration per compilation unit. */ | |
91d6fa6a | 3577 | DWARF2_Internal_LineInfo linfo; |
a262ae96 NC |
3578 | unsigned char *standard_opcodes; |
3579 | unsigned char *end_of_sequence; | |
a262ae96 NC |
3580 | int i; |
3581 | File_Entry *file_table = NULL; | |
143a3db0 | 3582 | unsigned int n_files = 0; |
a262ae96 | 3583 | unsigned char **directory_table = NULL; |
77145576 | 3584 | dwarf_vma n_directories = 0; |
a262ae96 | 3585 | |
4925cdd7 NC |
3586 | if (const_strneq (section->name, ".debug_line.") |
3587 | /* Note: the following does not apply to .debug_line.dwo sections. | |
3588 | These are full debug_line sections. */ | |
3589 | && strcmp (section->name, ".debug_line.dwo") != 0) | |
b4eb7656 | 3590 | { |
4925cdd7 | 3591 | /* See comment in display_debug_lines_raw(). */ |
b40bf0a2 NC |
3592 | end_of_sequence = end; |
3593 | standard_opcodes = NULL; | |
3594 | linfo = saved_linfo; | |
058037d3 NC |
3595 | /* PR 17531: file: 0522b371. */ |
3596 | if (linfo.li_line_range == 0) | |
3597 | { | |
1306a742 | 3598 | warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n")); |
058037d3 NC |
3599 | return 0; |
3600 | } | |
b40bf0a2 | 3601 | reset_state_machine (linfo.li_default_is_stmt); |
b4eb7656 | 3602 | } |
a262ae96 | 3603 | else |
b4eb7656 | 3604 | { |
b40bf0a2 | 3605 | unsigned char *hdrptr; |
a262ae96 | 3606 | |
b40bf0a2 NC |
3607 | if ((hdrptr = read_debug_line_header (section, data, end, & linfo, |
3608 | & end_of_sequence)) == NULL) | |
a233b20c | 3609 | return 0; |
0c588247 | 3610 | |
058037d3 NC |
3611 | /* PR 17531: file: 0522b371. */ |
3612 | if (linfo.li_line_range == 0) | |
3613 | { | |
3614 | warn (_("Line range of 0 is invalid, using 1 instead\n")); | |
3615 | linfo.li_line_range = 1; | |
3616 | } | |
b40bf0a2 | 3617 | reset_state_machine (linfo.li_default_is_stmt); |
a262ae96 | 3618 | |
b40bf0a2 NC |
3619 | /* Save a pointer to the contents of the Opcodes table. */ |
3620 | standard_opcodes = hdrptr; | |
a262ae96 | 3621 | |
b40bf0a2 NC |
3622 | /* Traverse the Directory table just to count entries. */ |
3623 | data = standard_opcodes + linfo.li_opcode_base - 1; | |
d8024a91 NC |
3624 | /* PR 20440 */ |
3625 | if (data >= end) | |
3626 | { | |
3627 | warn (_("opcode base of %d extends beyond end of section\n"), | |
3628 | linfo.li_opcode_base); | |
3629 | return 0; | |
3630 | } | |
3631 | ||
77145576 | 3632 | if (linfo.li_version >= 5) |
b40bf0a2 | 3633 | { |
77145576 JK |
3634 | unsigned char *format_start, format_count, *format; |
3635 | dwarf_vma formati, entryi; | |
3636 | unsigned int bytes_read; | |
a262ae96 | 3637 | |
77145576 JK |
3638 | load_debug_section (line_str, fileptr); |
3639 | ||
3640 | /* Skip directories format. */ | |
3641 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); | |
3642 | format_start = data; | |
3643 | for (formati = 0; formati < format_count; formati++) | |
b40bf0a2 | 3644 | { |
77145576 JK |
3645 | read_uleb128 (data, & bytes_read, end); |
3646 | data += bytes_read; | |
3647 | read_uleb128 (data, & bytes_read, end); | |
3648 | data += bytes_read; | |
b40bf0a2 | 3649 | } |
a262ae96 | 3650 | |
77145576 JK |
3651 | n_directories = read_uleb128 (data, & bytes_read, end); |
3652 | data += bytes_read; | |
3653 | if (data == end) | |
d8024a91 | 3654 | { |
77145576 | 3655 | warn (_("Corrupt directories list\n")); |
d8024a91 NC |
3656 | break; |
3657 | } | |
3658 | ||
b40bf0a2 NC |
3659 | directory_table = (unsigned char **) |
3660 | xmalloc (n_directories * sizeof (unsigned char *)); | |
a262ae96 | 3661 | |
77145576 | 3662 | for (entryi = 0; entryi < n_directories; entryi++) |
b40bf0a2 | 3663 | { |
77145576 | 3664 | unsigned char **pathp = &directory_table[entryi]; |
a262ae96 | 3665 | |
77145576 JK |
3666 | format = format_start; |
3667 | for (formati = 0; formati < format_count; formati++) | |
3668 | { | |
3669 | dwarf_vma content_type, form; | |
3670 | dwarf_vma uvalue; | |
3671 | ||
3672 | content_type = read_uleb128 (format, & bytes_read, end); | |
3673 | format += bytes_read; | |
3674 | form = read_uleb128 (format, & bytes_read, end); | |
3675 | format += bytes_read; | |
3676 | if (data == end) | |
3677 | { | |
3678 | warn (_("Corrupt directories list\n")); | |
3679 | break; | |
3680 | } | |
3681 | switch (content_type) | |
3682 | { | |
3683 | case DW_LNCT_path: | |
3684 | switch (form) | |
3685 | { | |
3686 | case DW_FORM_string: | |
3687 | *pathp = data; | |
3688 | break; | |
3689 | case DW_FORM_line_strp: | |
3690 | SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size, | |
3691 | end); | |
3692 | /* Remove const by the cast. */ | |
3693 | *pathp = (unsigned char *) | |
3694 | fetch_indirect_line_string (uvalue); | |
3695 | break; | |
3696 | } | |
3697 | break; | |
3698 | } | |
3699 | data = read_and_display_attr_value (0, form, 0, data, end, | |
3700 | 0, 0, | |
3701 | linfo.li_offset_size, | |
3702 | linfo.li_version, | |
3703 | NULL, 1, section, | |
3704 | NULL, '\t'); | |
3705 | } | |
3706 | if (data == end) | |
3707 | { | |
3708 | warn (_("Corrupt directories list\n")); | |
3709 | break; | |
3710 | } | |
3711 | } | |
a262ae96 | 3712 | |
77145576 JK |
3713 | /* Skip files format. */ |
3714 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); | |
3715 | format_start = data; | |
3716 | for (formati = 0; formati < format_count; formati++) | |
b40bf0a2 | 3717 | { |
b40bf0a2 NC |
3718 | read_uleb128 (data, & bytes_read, end); |
3719 | data += bytes_read; | |
3720 | read_uleb128 (data, & bytes_read, end); | |
3721 | data += bytes_read; | |
b40bf0a2 | 3722 | } |
a262ae96 | 3723 | |
77145576 JK |
3724 | n_files = read_uleb128 (data, & bytes_read, end); |
3725 | data += bytes_read; | |
3726 | if (data == end) | |
d8024a91 | 3727 | { |
77145576 | 3728 | warn (_("Corrupt file name list\n")); |
d8024a91 NC |
3729 | break; |
3730 | } | |
3731 | ||
77145576 JK |
3732 | file_table = (File_Entry *) xcalloc (1, n_files |
3733 | * sizeof (File_Entry)); | |
a262ae96 | 3734 | |
77145576 | 3735 | for (entryi = 0; entryi < n_files; entryi++) |
b40bf0a2 | 3736 | { |
77145576 | 3737 | File_Entry *file = &file_table[entryi]; |
a262ae96 | 3738 | |
77145576 JK |
3739 | format = format_start; |
3740 | for (formati = 0; formati < format_count; formati++) | |
3741 | { | |
3742 | dwarf_vma content_type, form; | |
3743 | dwarf_vma uvalue; | |
3744 | ||
3745 | content_type = read_uleb128 (format, & bytes_read, end); | |
3746 | format += bytes_read; | |
3747 | form = read_uleb128 (format, & bytes_read, end); | |
3748 | format += bytes_read; | |
3749 | if (data == end) | |
3750 | { | |
3751 | warn (_("Corrupt file name list\n")); | |
3752 | break; | |
3753 | } | |
3754 | switch (content_type) | |
3755 | { | |
3756 | case DW_LNCT_path: | |
3757 | switch (form) | |
3758 | { | |
3759 | case DW_FORM_string: | |
3760 | file->name = data; | |
3761 | break; | |
3762 | case DW_FORM_line_strp: | |
3763 | SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size, | |
3764 | end); | |
3765 | /* Remove const by the cast. */ | |
3766 | file->name = (unsigned char *) | |
3767 | fetch_indirect_line_string (uvalue); | |
3768 | break; | |
3769 | } | |
3770 | break; | |
3771 | case DW_LNCT_directory_index: | |
3772 | switch (form) | |
3773 | { | |
3774 | case DW_FORM_data1: | |
3775 | SAFE_BYTE_GET (file->directory_index, data, 1, | |
3776 | end); | |
3777 | break; | |
3778 | case DW_FORM_data2: | |
3779 | SAFE_BYTE_GET (file->directory_index, data, 2, | |
3780 | end); | |
3781 | break; | |
3782 | case DW_FORM_udata: | |
3783 | file->directory_index = read_uleb128 (data, NULL, | |
3784 | end); | |
3785 | break; | |
3786 | } | |
3787 | break; | |
3788 | } | |
3789 | data = read_and_display_attr_value (0, form, 0, data, end, | |
3790 | 0, 0, | |
3791 | linfo.li_offset_size, | |
3792 | linfo.li_version, | |
3793 | NULL, 1, section, | |
3794 | NULL, '\t'); | |
3795 | } | |
3796 | if (data == end) | |
3797 | { | |
3798 | warn (_("Corrupt file name list\n")); | |
3799 | break; | |
3800 | } | |
3801 | } | |
3802 | } | |
3803 | else | |
3804 | { | |
3805 | if (*data != 0) | |
b40bf0a2 | 3806 | { |
77145576 JK |
3807 | unsigned char *ptr_directory_table = data; |
3808 | ||
3809 | while (data < end && *data != 0) | |
3810 | { | |
3811 | data += strnlen ((char *) data, end - data) + 1; | |
3812 | n_directories++; | |
3813 | } | |
3814 | ||
3815 | /* PR 20440 */ | |
3816 | if (data >= end) | |
3817 | { | |
3818 | warn (_("directory table ends unexpectedly\n")); | |
3819 | n_directories = 0; | |
3820 | break; | |
3821 | } | |
3822 | ||
3823 | /* Go through the directory table again to save the directories. */ | |
3824 | directory_table = (unsigned char **) | |
3825 | xmalloc (n_directories * sizeof (unsigned char *)); | |
3826 | ||
3827 | i = 0; | |
3828 | while (*ptr_directory_table != 0) | |
3829 | { | |
3830 | directory_table[i] = ptr_directory_table; | |
3831 | ptr_directory_table += strnlen ((char *) ptr_directory_table, | |
3832 | ptr_directory_table - end) + 1; | |
3833 | i++; | |
3834 | } | |
b40bf0a2 | 3835 | } |
77145576 JK |
3836 | /* Skip the NUL at the end of the table. */ |
3837 | data++; | |
3838 | ||
3839 | /* Traverse the File Name table just to count the entries. */ | |
3840 | if (data < end && *data != 0) | |
b40bf0a2 | 3841 | { |
77145576 JK |
3842 | unsigned char *ptr_file_name_table = data; |
3843 | ||
3844 | while (data < end && *data != 0) | |
db9537d2 | 3845 | { |
77145576 JK |
3846 | unsigned int bytes_read; |
3847 | ||
3848 | /* Skip Name, directory index, last modification time and length | |
3849 | of file. */ | |
3850 | data += strnlen ((char *) data, end - data) + 1; | |
3851 | read_uleb128 (data, & bytes_read, end); | |
3852 | data += bytes_read; | |
3853 | read_uleb128 (data, & bytes_read, end); | |
3854 | data += bytes_read; | |
3855 | read_uleb128 (data, & bytes_read, end); | |
3856 | data += bytes_read; | |
3857 | ||
3858 | n_files++; | |
db9537d2 | 3859 | } |
a262ae96 | 3860 | |
77145576 JK |
3861 | if (data >= end) |
3862 | { | |
3863 | warn (_("file table ends unexpectedly\n")); | |
3864 | n_files = 0; | |
3865 | break; | |
3866 | } | |
3867 | ||
3868 | /* Go through the file table again to save the strings. */ | |
3869 | file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry)); | |
0c588247 | 3870 | |
77145576 JK |
3871 | i = 0; |
3872 | while (*ptr_file_name_table != 0) | |
3873 | { | |
3874 | unsigned int bytes_read; | |
3875 | ||
3876 | file_table[i].name = ptr_file_name_table; | |
3877 | ptr_file_name_table += strnlen ((char *) ptr_file_name_table, | |
3878 | end - ptr_file_name_table) + 1; | |
3879 | ||
3880 | /* We are not interested in directory, time or size. */ | |
3881 | file_table[i].directory_index = read_uleb128 (ptr_file_name_table, | |
3882 | & bytes_read, end); | |
3883 | ptr_file_name_table += bytes_read; | |
3884 | file_table[i].modification_date = read_uleb128 (ptr_file_name_table, | |
3885 | & bytes_read, end); | |
3886 | ptr_file_name_table += bytes_read; | |
3887 | file_table[i].length = read_uleb128 (ptr_file_name_table, & bytes_read, end); | |
3888 | ptr_file_name_table += bytes_read; | |
3889 | i++; | |
3890 | } | |
3891 | i = 0; | |
b40bf0a2 | 3892 | } |
77145576 JK |
3893 | |
3894 | /* Skip the NUL at the end of the table. */ | |
3895 | data++; | |
b40bf0a2 | 3896 | } |
cc5914eb | 3897 | |
77145576 | 3898 | /* Print the Compilation Unit's name and a header. */ |
f082820d AM |
3899 | if (file_table == NULL) |
3900 | ; | |
3901 | else if (directory_table == NULL) | |
3902 | printf (_("CU: %s:\n"), file_table[0].name); | |
77145576 JK |
3903 | else |
3904 | { | |
3905 | unsigned int ix = file_table[0].directory_index; | |
3906 | const char *directory; | |
3907 | ||
3908 | if (ix == 0) | |
3909 | directory = "."; | |
3910 | /* PR 20439 */ | |
3911 | else if (n_directories == 0) | |
3912 | directory = _("<unknown>"); | |
3913 | else if (ix > n_directories) | |
3914 | { | |
3915 | warn (_("directory index %u > number of directories %s\n"), | |
3916 | ix, dwarf_vmatoa ("u", n_directories)); | |
3917 | directory = _("<corrupt>"); | |
3918 | } | |
3919 | else | |
3920 | directory = (char *) directory_table[ix - 1]; | |
3921 | ||
3922 | if (do_wide || strlen (directory) < 76) | |
3923 | printf (_("CU: %s/%s:\n"), directory, file_table[0].name); | |
3924 | else | |
3925 | printf ("%s:\n", file_table[0].name); | |
77145576 | 3926 | } |
a262ae96 | 3927 | |
f082820d | 3928 | printf (_("File name Line number Starting address\n")); |
b40bf0a2 NC |
3929 | saved_linfo = linfo; |
3930 | } | |
a262ae96 NC |
3931 | |
3932 | /* This loop iterates through the Dwarf Line Number Program. */ | |
3933 | while (data < end_of_sequence) | |
b4eb7656 | 3934 | { |
a262ae96 | 3935 | unsigned char op_code; |
b4eb7656 AM |
3936 | int adv; |
3937 | unsigned long int uladv; | |
3938 | unsigned int bytes_read; | |
3939 | int is_special_opcode = 0; | |
a262ae96 | 3940 | |
b4eb7656 | 3941 | op_code = *data++; |
a262ae96 | 3942 | |
b4eb7656 | 3943 | if (op_code >= linfo.li_opcode_base) |
a262ae96 | 3944 | { |
91d6fa6a | 3945 | op_code -= linfo.li_opcode_base; |
a233b20c JJ |
3946 | uladv = (op_code / linfo.li_line_range); |
3947 | if (linfo.li_max_ops_per_insn == 1) | |
3948 | { | |
3949 | uladv *= linfo.li_min_insn_length; | |
3950 | state_machine_regs.address += uladv; | |
3951 | } | |
3952 | else | |
3953 | { | |
3954 | state_machine_regs.address | |
3955 | += ((state_machine_regs.op_index + uladv) | |
3956 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 3957 | * linfo.li_min_insn_length; |
a233b20c JJ |
3958 | state_machine_regs.op_index |
3959 | = (state_machine_regs.op_index + uladv) | |
b40bf0a2 | 3960 | % linfo.li_max_ops_per_insn; |
a233b20c | 3961 | } |
a262ae96 | 3962 | |
b4eb7656 AM |
3963 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; |
3964 | state_machine_regs.line += adv; | |
3965 | is_special_opcode = 1; | |
3966 | } | |
3967 | else switch (op_code) | |
b40bf0a2 NC |
3968 | { |
3969 | case DW_LNS_extended_op: | |
3970 | { | |
3971 | unsigned int ext_op_code_len; | |
3972 | unsigned char ext_op_code; | |
3973 | unsigned char *op_code_data = data; | |
3974 | ||
3975 | ext_op_code_len = read_uleb128 (op_code_data, &bytes_read, | |
3976 | end_of_sequence); | |
3977 | op_code_data += bytes_read; | |
3978 | ||
3979 | if (ext_op_code_len == 0) | |
3980 | { | |
f41e4712 | 3981 | warn (_("Badly formed extended line op encountered!\n")); |
b40bf0a2 NC |
3982 | break; |
3983 | } | |
3984 | ext_op_code_len += bytes_read; | |
3985 | ext_op_code = *op_code_data++; | |
3986 | ||
3987 | switch (ext_op_code) | |
3988 | { | |
3989 | case DW_LNE_end_sequence: | |
3990 | reset_state_machine (linfo.li_default_is_stmt); | |
3991 | break; | |
3992 | case DW_LNE_set_address: | |
3993 | SAFE_BYTE_GET_AND_INC (state_machine_regs.address, | |
87bc83b3 CC |
3994 | op_code_data, |
3995 | ext_op_code_len - bytes_read - 1, | |
b40bf0a2 NC |
3996 | end); |
3997 | state_machine_regs.op_index = 0; | |
3998 | break; | |
3999 | case DW_LNE_define_file: | |
4000 | { | |
4001 | file_table = (File_Entry *) xrealloc | |
4002 | (file_table, (n_files + 1) * sizeof (File_Entry)); | |
4003 | ||
4004 | ++state_machine_regs.last_file_entry; | |
4005 | /* Source file name. */ | |
4006 | file_table[n_files].name = op_code_data; | |
4007 | op_code_data += strlen ((char *) op_code_data) + 1; | |
4008 | /* Directory index. */ | |
4009 | file_table[n_files].directory_index = | |
4010 | read_uleb128 (op_code_data, & bytes_read, | |
4011 | end_of_sequence); | |
4012 | op_code_data += bytes_read; | |
4013 | /* Last modification time. */ | |
4014 | file_table[n_files].modification_date = | |
4015 | read_uleb128 (op_code_data, & bytes_read, | |
4016 | end_of_sequence); | |
4017 | op_code_data += bytes_read; | |
4018 | /* File length. */ | |
4019 | file_table[n_files].length = | |
4020 | read_uleb128 (op_code_data, & bytes_read, | |
4021 | end_of_sequence); | |
4022 | ||
4023 | n_files++; | |
4024 | break; | |
4025 | } | |
4026 | case DW_LNE_set_discriminator: | |
4027 | case DW_LNE_HP_set_sequence: | |
4028 | /* Simply ignored. */ | |
4029 | break; | |
4030 | ||
4031 | default: | |
4032 | printf (_("UNKNOWN (%u): length %d\n"), | |
4033 | ext_op_code, ext_op_code_len - bytes_read); | |
4034 | break; | |
4035 | } | |
4036 | data += ext_op_code_len; | |
4037 | break; | |
4038 | } | |
4039 | case DW_LNS_copy: | |
4040 | break; | |
4041 | ||
4042 | case DW_LNS_advance_pc: | |
4043 | uladv = read_uleb128 (data, & bytes_read, end); | |
4044 | data += bytes_read; | |
4045 | if (linfo.li_max_ops_per_insn == 1) | |
4046 | { | |
4047 | uladv *= linfo.li_min_insn_length; | |
4048 | state_machine_regs.address += uladv; | |
4049 | } | |
4050 | else | |
4051 | { | |
4052 | state_machine_regs.address | |
4053 | += ((state_machine_regs.op_index + uladv) | |
4054 | / linfo.li_max_ops_per_insn) | |
4055 | * linfo.li_min_insn_length; | |
4056 | state_machine_regs.op_index | |
4057 | = (state_machine_regs.op_index + uladv) | |
4058 | % linfo.li_max_ops_per_insn; | |
4059 | } | |
4060 | break; | |
4061 | ||
4062 | case DW_LNS_advance_line: | |
4063 | adv = read_sleb128 (data, & bytes_read, end); | |
4064 | data += bytes_read; | |
4065 | state_machine_regs.line += adv; | |
4066 | break; | |
4067 | ||
4068 | case DW_LNS_set_file: | |
4069 | adv = read_uleb128 (data, & bytes_read, end); | |
4070 | data += bytes_read; | |
4071 | state_machine_regs.file = adv; | |
4072 | ||
db9537d2 NC |
4073 | { |
4074 | unsigned file = state_machine_regs.file - 1; | |
4075 | unsigned dir; | |
4076 | ||
4077 | if (file_table == NULL || n_files == 0) | |
4078 | printf (_("\n [Use file table entry %d]\n"), file); | |
4079 | /* PR 20439 */ | |
4080 | else if (file >= n_files) | |
4081 | { | |
4082 | warn (_("file index %u > number of files %u\n"), file + 1, n_files); | |
4083 | printf (_("\n <over large file table index %u>"), file); | |
4084 | } | |
4085 | else if ((dir = file_table[file].directory_index) == 0) | |
4086 | /* If directory index is 0, that means current directory. */ | |
4087 | printf ("\n./%s:[++]\n", file_table[file].name); | |
4088 | else if (directory_table == NULL || n_directories == 0) | |
4089 | printf (_("\n [Use file %s in directory table entry %d]\n"), | |
4090 | file_table[file].name, dir); | |
4091 | /* PR 20439 */ | |
4092 | else if (dir > n_directories) | |
4093 | { | |
77145576 JK |
4094 | warn (_("directory index %u > number of directories %s\n"), |
4095 | dir, dwarf_vmatoa ("u", n_directories)); | |
db9537d2 NC |
4096 | printf (_("\n <over large directory table entry %u>\n"), dir); |
4097 | } | |
4098 | else | |
4099 | printf ("\n%s/%s:\n", | |
4100 | /* The directory index starts counting at 1. */ | |
4101 | directory_table[dir - 1], file_table[file].name); | |
4102 | } | |
b40bf0a2 NC |
4103 | break; |
4104 | ||
4105 | case DW_LNS_set_column: | |
4106 | uladv = read_uleb128 (data, & bytes_read, end); | |
4107 | data += bytes_read; | |
4108 | state_machine_regs.column = uladv; | |
4109 | break; | |
4110 | ||
4111 | case DW_LNS_negate_stmt: | |
4112 | adv = state_machine_regs.is_stmt; | |
4113 | adv = ! adv; | |
4114 | state_machine_regs.is_stmt = adv; | |
4115 | break; | |
4116 | ||
4117 | case DW_LNS_set_basic_block: | |
4118 | state_machine_regs.basic_block = 1; | |
4119 | break; | |
4120 | ||
4121 | case DW_LNS_const_add_pc: | |
4122 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); | |
4123 | if (linfo.li_max_ops_per_insn == 1) | |
4124 | { | |
4125 | uladv *= linfo.li_min_insn_length; | |
4126 | state_machine_regs.address += uladv; | |
4127 | } | |
4128 | else | |
4129 | { | |
4130 | state_machine_regs.address | |
4131 | += ((state_machine_regs.op_index + uladv) | |
4132 | / linfo.li_max_ops_per_insn) | |
4133 | * linfo.li_min_insn_length; | |
4134 | state_machine_regs.op_index | |
4135 | = (state_machine_regs.op_index + uladv) | |
4136 | % linfo.li_max_ops_per_insn; | |
4137 | } | |
4138 | break; | |
4139 | ||
4140 | case DW_LNS_fixed_advance_pc: | |
4141 | SAFE_BYTE_GET_AND_INC (uladv, data, 2, end); | |
4142 | state_machine_regs.address += uladv; | |
4143 | state_machine_regs.op_index = 0; | |
4144 | break; | |
4145 | ||
4146 | case DW_LNS_set_prologue_end: | |
4147 | break; | |
4148 | ||
4149 | case DW_LNS_set_epilogue_begin: | |
4150 | break; | |
4151 | ||
4152 | case DW_LNS_set_isa: | |
4153 | uladv = read_uleb128 (data, & bytes_read, end); | |
4154 | data += bytes_read; | |
4155 | printf (_(" Set ISA to %lu\n"), uladv); | |
4156 | break; | |
4157 | ||
4158 | default: | |
4159 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
4160 | ||
4161 | if (standard_opcodes != NULL) | |
4162 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
4163 | { | |
4164 | printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data, | |
4165 | &bytes_read, end)), | |
4166 | i == 1 ? "" : ", "); | |
4167 | data += bytes_read; | |
4168 | } | |
4169 | putchar ('\n'); | |
4170 | break; | |
4171 | } | |
a262ae96 | 4172 | |
b4eb7656 AM |
4173 | /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row |
4174 | to the DWARF address/line matrix. */ | |
4175 | if ((is_special_opcode) || (op_code == DW_LNE_end_sequence) | |
a262ae96 | 4176 | || (op_code == DW_LNS_copy)) |
b4eb7656 AM |
4177 | { |
4178 | const unsigned int MAX_FILENAME_LENGTH = 35; | |
4179 | char *fileName; | |
4180 | char *newFileName = NULL; | |
4181 | size_t fileNameLength; | |
b40bf0a2 NC |
4182 | |
4183 | if (file_table) | |
db9537d2 NC |
4184 | { |
4185 | unsigned indx = state_machine_regs.file - 1; | |
4186 | /* PR 20439 */ | |
4187 | if (indx >= n_files) | |
4188 | { | |
4189 | warn (_("corrupt file index %u encountered\n"), indx); | |
4190 | fileName = _("<corrupt>"); | |
4191 | } | |
4192 | else | |
4193 | fileName = (char *) file_table[indx].name; | |
4194 | } | |
b40bf0a2 | 4195 | else |
db9537d2 | 4196 | fileName = _("<unknown>"); |
b40bf0a2 NC |
4197 | |
4198 | fileNameLength = strlen (fileName); | |
a262ae96 | 4199 | |
b4eb7656 AM |
4200 | if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide)) |
4201 | { | |
4202 | newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1); | |
4203 | /* Truncate file name */ | |
4204 | strncpy (newFileName, | |
4205 | fileName + fileNameLength - MAX_FILENAME_LENGTH, | |
4206 | MAX_FILENAME_LENGTH + 1); | |
4207 | } | |
4208 | else | |
4209 | { | |
4210 | newFileName = (char *) xmalloc (fileNameLength + 1); | |
4211 | strncpy (newFileName, fileName, fileNameLength + 1); | |
4212 | } | |
4213 | ||
4214 | if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH)) | |
4215 | { | |
a233b20c | 4216 | if (linfo.li_max_ops_per_insn == 1) |
467c65bc NC |
4217 | printf ("%-35s %11d %#18" DWARF_VMA_FMT "x\n", |
4218 | newFileName, state_machine_regs.line, | |
a233b20c JJ |
4219 | state_machine_regs.address); |
4220 | else | |
467c65bc NC |
4221 | printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]\n", |
4222 | newFileName, state_machine_regs.line, | |
a233b20c JJ |
4223 | state_machine_regs.address, |
4224 | state_machine_regs.op_index); | |
b4eb7656 AM |
4225 | } |
4226 | else | |
4227 | { | |
a233b20c | 4228 | if (linfo.li_max_ops_per_insn == 1) |
467c65bc NC |
4229 | printf ("%s %11d %#18" DWARF_VMA_FMT "x\n", |
4230 | newFileName, state_machine_regs.line, | |
a233b20c JJ |
4231 | state_machine_regs.address); |
4232 | else | |
467c65bc NC |
4233 | printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]\n", |
4234 | newFileName, state_machine_regs.line, | |
a233b20c JJ |
4235 | state_machine_regs.address, |
4236 | state_machine_regs.op_index); | |
b4eb7656 | 4237 | } |
a262ae96 | 4238 | |
b4eb7656 | 4239 | if (op_code == DW_LNE_end_sequence) |
a262ae96 NC |
4240 | printf ("\n"); |
4241 | ||
b4eb7656 AM |
4242 | free (newFileName); |
4243 | } | |
4244 | } | |
b40bf0a2 NC |
4245 | |
4246 | if (file_table) | |
4247 | { | |
4248 | free (file_table); | |
4249 | file_table = NULL; | |
4250 | n_files = 0; | |
4251 | } | |
4252 | ||
4253 | if (directory_table) | |
4254 | { | |
4255 | free (directory_table); | |
4256 | directory_table = NULL; | |
4257 | n_directories = 0; | |
4258 | } | |
4259 | ||
a262ae96 NC |
4260 | putchar ('\n'); |
4261 | } | |
4262 | ||
4263 | return 1; | |
4264 | } | |
4265 | ||
4266 | static int | |
77145576 | 4267 | display_debug_lines (struct dwarf_section *section, void *file) |
a262ae96 NC |
4268 | { |
4269 | unsigned char *data = section->start; | |
4270 | unsigned char *end = data + section->size; | |
4cb93e3b TG |
4271 | int retValRaw = 1; |
4272 | int retValDecoded = 1; | |
a262ae96 | 4273 | |
008f4c78 NC |
4274 | if (do_debug_lines == 0) |
4275 | do_debug_lines |= FLAG_DEBUG_LINES_RAW; | |
4276 | ||
4cb93e3b | 4277 | if (do_debug_lines & FLAG_DEBUG_LINES_RAW) |
77145576 | 4278 | retValRaw = display_debug_lines_raw (section, data, end, file); |
a262ae96 | 4279 | |
4cb93e3b | 4280 | if (do_debug_lines & FLAG_DEBUG_LINES_DECODED) |
77145576 | 4281 | retValDecoded = display_debug_lines_decoded (section, data, end, file); |
a262ae96 | 4282 | |
4cb93e3b | 4283 | if (!retValRaw || !retValDecoded) |
a262ae96 NC |
4284 | return 0; |
4285 | ||
4286 | return 1; | |
4287 | } | |
4288 | ||
6e3d6dc1 NC |
4289 | static debug_info * |
4290 | find_debug_info_for_offset (unsigned long offset) | |
4291 | { | |
4292 | unsigned int i; | |
4293 | ||
4294 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) | |
4295 | return NULL; | |
4296 | ||
4297 | for (i = 0; i < num_debug_info_entries; i++) | |
4298 | if (debug_information[i].cu_offset == offset) | |
4299 | return debug_information + i; | |
4300 | ||
4301 | return NULL; | |
4302 | } | |
4303 | ||
459d52c8 DE |
4304 | static const char * |
4305 | get_gdb_index_symbol_kind_name (gdb_index_symbol_kind kind) | |
4306 | { | |
4307 | /* See gdb/gdb-index.h. */ | |
4308 | static const char * const kinds[] = | |
4309 | { | |
4310 | N_ ("no info"), | |
4311 | N_ ("type"), | |
4312 | N_ ("variable"), | |
4313 | N_ ("function"), | |
4314 | N_ ("other"), | |
4315 | N_ ("unused5"), | |
4316 | N_ ("unused6"), | |
4317 | N_ ("unused7") | |
4318 | }; | |
4319 | ||
4320 | return _ (kinds[kind]); | |
4321 | } | |
4322 | ||
19e6b90e | 4323 | static int |
459d52c8 DE |
4324 | display_debug_pubnames_worker (struct dwarf_section *section, |
4325 | void *file ATTRIBUTE_UNUSED, | |
4326 | int is_gnu) | |
19e6b90e | 4327 | { |
91d6fa6a | 4328 | DWARF2_Internal_PubNames names; |
19e6b90e L |
4329 | unsigned char *start = section->start; |
4330 | unsigned char *end = start + section->size; | |
4331 | ||
6e3d6dc1 NC |
4332 | /* It does not matter if this load fails, |
4333 | we test for that later on. */ | |
4334 | load_debug_info (file); | |
4335 | ||
19e6b90e L |
4336 | printf (_("Contents of the %s section:\n\n"), section->name); |
4337 | ||
4338 | while (start < end) | |
4339 | { | |
4340 | unsigned char *data; | |
362beea4 | 4341 | unsigned char *adr; |
834f871c | 4342 | dwarf_vma offset; |
bf5117e3 | 4343 | unsigned int offset_size, initial_length_size; |
19e6b90e L |
4344 | |
4345 | data = start; | |
4346 | ||
0c588247 | 4347 | SAFE_BYTE_GET_AND_INC (names.pn_length, data, 4, end); |
91d6fa6a | 4348 | if (names.pn_length == 0xffffffff) |
19e6b90e | 4349 | { |
0c588247 | 4350 | SAFE_BYTE_GET_AND_INC (names.pn_length, data, 8, end); |
19e6b90e L |
4351 | offset_size = 8; |
4352 | initial_length_size = 12; | |
4353 | } | |
4354 | else | |
4355 | { | |
4356 | offset_size = 4; | |
4357 | initial_length_size = 4; | |
4358 | } | |
4359 | ||
0c588247 NC |
4360 | SAFE_BYTE_GET_AND_INC (names.pn_version, data, 2, end); |
4361 | SAFE_BYTE_GET_AND_INC (names.pn_offset, data, offset_size, end); | |
6e3d6dc1 NC |
4362 | |
4363 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE | |
4364 | && num_debug_info_entries > 0 | |
91d6fa6a | 4365 | && find_debug_info_for_offset (names.pn_offset) == NULL) |
6e3d6dc1 | 4366 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), |
47704ddf | 4367 | (unsigned long) names.pn_offset, section->name); |
cecf136e | 4368 | |
0c588247 | 4369 | SAFE_BYTE_GET_AND_INC (names.pn_size, data, offset_size, end); |
19e6b90e | 4370 | |
362beea4 | 4371 | adr = start + names.pn_length + initial_length_size; |
058037d3 | 4372 | /* PR 17531: file: 7615b6b2. */ |
57028622 NC |
4373 | if ((dwarf_signed_vma) names.pn_length < 0 |
4374 | /* PR 17531: file: a5dbeaa7. */ | |
362beea4 | 4375 | || adr < start) |
058037d3 NC |
4376 | { |
4377 | warn (_("Negative length for public name: 0x%lx\n"), (long) names.pn_length); | |
4378 | start = end; | |
4379 | } | |
4380 | else | |
362beea4 | 4381 | start = adr; |
b4eb7656 | 4382 | |
058037d3 NC |
4383 | printf (_(" Length: %ld\n"), |
4384 | (long) names.pn_length); | |
4385 | printf (_(" Version: %d\n"), | |
4386 | names.pn_version); | |
4387 | printf (_(" Offset into .debug_info section: 0x%lx\n"), | |
4388 | (unsigned long) names.pn_offset); | |
4389 | printf (_(" Size of area in .debug_info section: %ld\n"), | |
4390 | (long) names.pn_size); | |
19e6b90e | 4391 | |
91d6fa6a | 4392 | if (names.pn_version != 2 && names.pn_version != 3) |
19e6b90e L |
4393 | { |
4394 | static int warned = 0; | |
4395 | ||
4396 | if (! warned) | |
4397 | { | |
4398 | warn (_("Only DWARF 2 and 3 pubnames are currently supported\n")); | |
4399 | warned = 1; | |
4400 | } | |
4401 | ||
4402 | continue; | |
4403 | } | |
4404 | ||
459d52c8 DE |
4405 | if (is_gnu) |
4406 | printf (_("\n Offset Kind Name\n")); | |
4407 | else | |
4408 | printf (_("\n Offset\tName\n")); | |
19e6b90e L |
4409 | |
4410 | do | |
4411 | { | |
f41e4712 NC |
4412 | bfd_size_type maxprint; |
4413 | ||
0c588247 | 4414 | SAFE_BYTE_GET (offset, data, offset_size, end); |
19e6b90e L |
4415 | |
4416 | if (offset != 0) | |
4417 | { | |
4418 | data += offset_size; | |
f41e4712 NC |
4419 | if (data >= end) |
4420 | break; | |
4421 | maxprint = (end - data) - 1; | |
b4eb7656 | 4422 | |
459d52c8 DE |
4423 | if (is_gnu) |
4424 | { | |
4425 | unsigned int kind_data; | |
4426 | gdb_index_symbol_kind kind; | |
4427 | const char *kind_name; | |
4428 | int is_static; | |
4429 | ||
4430 | SAFE_BYTE_GET (kind_data, data, 1, end); | |
4431 | data++; | |
f41e4712 | 4432 | maxprint --; |
459d52c8 DE |
4433 | /* GCC computes the kind as the upper byte in the CU index |
4434 | word, and then right shifts it by the CU index size. | |
4435 | Left shift KIND to where the gdb-index.h accessor macros | |
4436 | can use it. */ | |
4437 | kind_data <<= GDB_INDEX_CU_BITSIZE; | |
4438 | kind = GDB_INDEX_SYMBOL_KIND_VALUE (kind_data); | |
4439 | kind_name = get_gdb_index_symbol_kind_name (kind); | |
4440 | is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (kind_data); | |
f41e4712 | 4441 | printf (" %-6lx %s,%-10s %.*s\n", |
834f871c | 4442 | (unsigned long) offset, is_static ? _("s") : _("g"), |
f41e4712 | 4443 | kind_name, (int) maxprint, data); |
459d52c8 DE |
4444 | } |
4445 | else | |
b4eb7656 AM |
4446 | printf (" %-6lx\t%.*s\n", |
4447 | (unsigned long) offset, (int) maxprint, data); | |
f41e4712 NC |
4448 | |
4449 | data += strnlen ((char *) data, maxprint) + 1; | |
4450 | if (data >= end) | |
4451 | break; | |
19e6b90e L |
4452 | } |
4453 | } | |
4454 | while (offset != 0); | |
4455 | } | |
4456 | ||
4457 | printf ("\n"); | |
4458 | return 1; | |
4459 | } | |
4460 | ||
459d52c8 DE |
4461 | static int |
4462 | display_debug_pubnames (struct dwarf_section *section, void *file) | |
4463 | { | |
4464 | return display_debug_pubnames_worker (section, file, 0); | |
4465 | } | |
4466 | ||
4467 | static int | |
4468 | display_debug_gnu_pubnames (struct dwarf_section *section, void *file) | |
4469 | { | |
4470 | return display_debug_pubnames_worker (section, file, 1); | |
4471 | } | |
4472 | ||
19e6b90e L |
4473 | static int |
4474 | display_debug_macinfo (struct dwarf_section *section, | |
4475 | void *file ATTRIBUTE_UNUSED) | |
4476 | { | |
4477 | unsigned char *start = section->start; | |
4478 | unsigned char *end = start + section->size; | |
4479 | unsigned char *curr = start; | |
4480 | unsigned int bytes_read; | |
4481 | enum dwarf_macinfo_record_type op; | |
4482 | ||
4483 | printf (_("Contents of the %s section:\n\n"), section->name); | |
4484 | ||
4485 | while (curr < end) | |
4486 | { | |
4487 | unsigned int lineno; | |
0c588247 | 4488 | const unsigned char *string; |
19e6b90e | 4489 | |
3f5e193b | 4490 | op = (enum dwarf_macinfo_record_type) *curr; |
19e6b90e L |
4491 | curr++; |
4492 | ||
4493 | switch (op) | |
4494 | { | |
4495 | case DW_MACINFO_start_file: | |
4496 | { | |
4497 | unsigned int filenum; | |
4498 | ||
f6f0e17b | 4499 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 4500 | curr += bytes_read; |
f6f0e17b | 4501 | filenum = read_uleb128 (curr, & bytes_read, end); |
19e6b90e L |
4502 | curr += bytes_read; |
4503 | ||
4504 | printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), | |
4505 | lineno, filenum); | |
4506 | } | |
4507 | break; | |
4508 | ||
4509 | case DW_MACINFO_end_file: | |
4510 | printf (_(" DW_MACINFO_end_file\n")); | |
4511 | break; | |
4512 | ||
4513 | case DW_MACINFO_define: | |
f6f0e17b | 4514 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 4515 | curr += bytes_read; |
0c588247 NC |
4516 | string = curr; |
4517 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
4518 | printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"), |
4519 | lineno, string); | |
4520 | break; | |
4521 | ||
4522 | case DW_MACINFO_undef: | |
f6f0e17b | 4523 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 4524 | curr += bytes_read; |
0c588247 NC |
4525 | string = curr; |
4526 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
4527 | printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"), |
4528 | lineno, string); | |
4529 | break; | |
4530 | ||
4531 | case DW_MACINFO_vendor_ext: | |
4532 | { | |
4533 | unsigned int constant; | |
4534 | ||
f6f0e17b | 4535 | constant = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 4536 | curr += bytes_read; |
0c588247 NC |
4537 | string = curr; |
4538 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
4539 | printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), |
4540 | constant, string); | |
4541 | } | |
4542 | break; | |
4543 | } | |
4544 | } | |
4545 | ||
4546 | return 1; | |
4547 | } | |
4548 | ||
4ccf1e31 JJ |
4549 | /* Given LINE_OFFSET into the .debug_line section, attempt to return |
4550 | filename and dirname corresponding to file name table entry with index | |
4551 | FILEIDX. Return NULL on failure. */ | |
4552 | ||
4553 | static unsigned char * | |
f6f0e17b NC |
4554 | get_line_filename_and_dirname (dwarf_vma line_offset, |
4555 | dwarf_vma fileidx, | |
4ccf1e31 JJ |
4556 | unsigned char **dir_name) |
4557 | { | |
4558 | struct dwarf_section *section = &debug_displays [line].section; | |
4559 | unsigned char *hdrptr, *dirtable, *file_name; | |
4560 | unsigned int offset_size, initial_length_size; | |
4561 | unsigned int version, opcode_base, bytes_read; | |
4562 | dwarf_vma length, diridx; | |
f6f0e17b | 4563 | const unsigned char * end; |
4ccf1e31 JJ |
4564 | |
4565 | *dir_name = NULL; | |
4566 | if (section->start == NULL | |
4567 | || line_offset >= section->size | |
4568 | || fileidx == 0) | |
4569 | return NULL; | |
4570 | ||
4571 | hdrptr = section->start + line_offset; | |
f6f0e17b | 4572 | end = section->start + section->size; |
0c588247 NC |
4573 | |
4574 | SAFE_BYTE_GET_AND_INC (length, hdrptr, 4, end); | |
4ccf1e31 JJ |
4575 | if (length == 0xffffffff) |
4576 | { | |
4577 | /* This section is 64-bit DWARF 3. */ | |
0c588247 | 4578 | SAFE_BYTE_GET_AND_INC (length, hdrptr, 8, end); |
4ccf1e31 JJ |
4579 | offset_size = 8; |
4580 | initial_length_size = 12; | |
4581 | } | |
4582 | else | |
4583 | { | |
4584 | offset_size = 4; | |
4585 | initial_length_size = 4; | |
4586 | } | |
4587 | if (length + initial_length_size > section->size) | |
4588 | return NULL; | |
0c588247 NC |
4589 | |
4590 | SAFE_BYTE_GET_AND_INC (version, hdrptr, 2, end); | |
4ccf1e31 JJ |
4591 | if (version != 2 && version != 3 && version != 4) |
4592 | return NULL; | |
4593 | hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */ | |
4594 | if (version >= 4) | |
4595 | hdrptr++; /* Skip max_ops_per_insn. */ | |
4596 | hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */ | |
0c588247 NC |
4597 | |
4598 | SAFE_BYTE_GET_AND_INC (opcode_base, hdrptr, 1, end); | |
4ccf1e31 JJ |
4599 | if (opcode_base == 0) |
4600 | return NULL; | |
0c588247 | 4601 | |
4ccf1e31 JJ |
4602 | hdrptr += opcode_base - 1; |
4603 | dirtable = hdrptr; | |
4604 | /* Skip over dirname table. */ | |
4605 | while (*hdrptr != '\0') | |
0c588247 | 4606 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
4ccf1e31 JJ |
4607 | hdrptr++; /* Skip the NUL at the end of the table. */ |
4608 | /* Now skip over preceding filename table entries. */ | |
4609 | for (; *hdrptr != '\0' && fileidx > 1; fileidx--) | |
4610 | { | |
0c588247 | 4611 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
f6f0e17b | 4612 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 | 4613 | hdrptr += bytes_read; |
f6f0e17b | 4614 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 | 4615 | hdrptr += bytes_read; |
f6f0e17b | 4616 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 JJ |
4617 | hdrptr += bytes_read; |
4618 | } | |
f6f0e17b | 4619 | if (hdrptr == end || *hdrptr == '\0') |
4ccf1e31 JJ |
4620 | return NULL; |
4621 | file_name = hdrptr; | |
0c588247 | 4622 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
f6f0e17b | 4623 | diridx = read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 JJ |
4624 | if (diridx == 0) |
4625 | return file_name; | |
4626 | for (; *dirtable != '\0' && diridx > 1; diridx--) | |
0c588247 | 4627 | dirtable += strnlen ((char *) dirtable, end - dirtable) + 1; |
4ccf1e31 JJ |
4628 | if (*dirtable == '\0') |
4629 | return NULL; | |
4630 | *dir_name = dirtable; | |
4631 | return file_name; | |
4632 | } | |
4633 | ||
4634 | static int | |
4635 | display_debug_macro (struct dwarf_section *section, | |
4636 | void *file) | |
4637 | { | |
4638 | unsigned char *start = section->start; | |
4639 | unsigned char *end = start + section->size; | |
4640 | unsigned char *curr = start; | |
4641 | unsigned char *extended_op_buf[256]; | |
4642 | unsigned int bytes_read; | |
4643 | ||
4644 | load_debug_section (str, file); | |
4645 | load_debug_section (line, file); | |
4646 | ||
4647 | printf (_("Contents of the %s section:\n\n"), section->name); | |
4648 | ||
4649 | while (curr < end) | |
4650 | { | |
4651 | unsigned int lineno, version, flags; | |
4652 | unsigned int offset_size = 4; | |
0c588247 | 4653 | const unsigned char *string; |
4ccf1e31 JJ |
4654 | dwarf_vma line_offset = 0, sec_offset = curr - start, offset; |
4655 | unsigned char **extended_ops = NULL; | |
4656 | ||
0c588247 | 4657 | SAFE_BYTE_GET_AND_INC (version, curr, 2, end); |
7a7e1061 | 4658 | if (version != 4 && version != 5) |
4ccf1e31 | 4659 | { |
7a7e1061 | 4660 | error (_("Only GNU extension to DWARF 4 or 5 of %s is currently supported.\n"), |
4ccf1e31 JJ |
4661 | section->name); |
4662 | return 0; | |
4663 | } | |
4664 | ||
0c588247 | 4665 | SAFE_BYTE_GET_AND_INC (flags, curr, 1, end); |
4ccf1e31 JJ |
4666 | if (flags & 1) |
4667 | offset_size = 8; | |
4668 | printf (_(" Offset: 0x%lx\n"), | |
4669 | (unsigned long) sec_offset); | |
4670 | printf (_(" Version: %d\n"), version); | |
4671 | printf (_(" Offset size: %d\n"), offset_size); | |
4672 | if (flags & 2) | |
4673 | { | |
0c588247 | 4674 | SAFE_BYTE_GET_AND_INC (line_offset, curr, offset_size, end); |
4ccf1e31 JJ |
4675 | printf (_(" Offset into .debug_line: 0x%lx\n"), |
4676 | (unsigned long) line_offset); | |
4677 | } | |
4678 | if (flags & 4) | |
4679 | { | |
0c588247 | 4680 | unsigned int i, count, op; |
4ccf1e31 | 4681 | dwarf_vma nargs, n; |
0c588247 NC |
4682 | |
4683 | SAFE_BYTE_GET_AND_INC (count, curr, 1, end); | |
bf5117e3 | 4684 | |
4ccf1e31 JJ |
4685 | memset (extended_op_buf, 0, sizeof (extended_op_buf)); |
4686 | extended_ops = extended_op_buf; | |
4687 | if (count) | |
4688 | { | |
4689 | printf (_(" Extension opcode arguments:\n")); | |
4690 | for (i = 0; i < count; i++) | |
4691 | { | |
0c588247 | 4692 | SAFE_BYTE_GET_AND_INC (op, curr, 1, end); |
4ccf1e31 | 4693 | extended_ops[op] = curr; |
f6f0e17b | 4694 | nargs = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 JJ |
4695 | curr += bytes_read; |
4696 | if (nargs == 0) | |
7a7e1061 | 4697 | printf (_(" DW_MACRO_%02x has no arguments\n"), op); |
4ccf1e31 JJ |
4698 | else |
4699 | { | |
7a7e1061 | 4700 | printf (_(" DW_MACRO_%02x arguments: "), op); |
4ccf1e31 JJ |
4701 | for (n = 0; n < nargs; n++) |
4702 | { | |
0c588247 NC |
4703 | unsigned int form; |
4704 | ||
4705 | SAFE_BYTE_GET_AND_INC (form, curr, 1, end); | |
4ccf1e31 JJ |
4706 | printf ("%s%s", get_FORM_name (form), |
4707 | n == nargs - 1 ? "\n" : ", "); | |
4708 | switch (form) | |
4709 | { | |
4710 | case DW_FORM_data1: | |
4711 | case DW_FORM_data2: | |
4712 | case DW_FORM_data4: | |
4713 | case DW_FORM_data8: | |
4714 | case DW_FORM_sdata: | |
4715 | case DW_FORM_udata: | |
4716 | case DW_FORM_block: | |
4717 | case DW_FORM_block1: | |
4718 | case DW_FORM_block2: | |
4719 | case DW_FORM_block4: | |
4720 | case DW_FORM_flag: | |
4721 | case DW_FORM_string: | |
4722 | case DW_FORM_strp: | |
4723 | case DW_FORM_sec_offset: | |
4724 | break; | |
4725 | default: | |
4726 | error (_("Invalid extension opcode form %s\n"), | |
4727 | get_FORM_name (form)); | |
4728 | return 0; | |
4729 | } | |
4730 | } | |
4731 | } | |
4732 | } | |
4733 | } | |
4734 | } | |
4735 | printf ("\n"); | |
4736 | ||
4737 | while (1) | |
4738 | { | |
4739 | unsigned int op; | |
4740 | ||
4741 | if (curr >= end) | |
4742 | { | |
4743 | error (_(".debug_macro section not zero terminated\n")); | |
4744 | return 0; | |
4745 | } | |
4746 | ||
0c588247 | 4747 | SAFE_BYTE_GET_AND_INC (op, curr, 1, end); |
4ccf1e31 JJ |
4748 | if (op == 0) |
4749 | break; | |
4750 | ||
4751 | switch (op) | |
4752 | { | |
7a7e1061 | 4753 | case DW_MACRO_start_file: |
4ccf1e31 JJ |
4754 | { |
4755 | unsigned int filenum; | |
4756 | unsigned char *file_name = NULL, *dir_name = NULL; | |
4757 | ||
f6f0e17b | 4758 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 4759 | curr += bytes_read; |
f6f0e17b | 4760 | filenum = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 JJ |
4761 | curr += bytes_read; |
4762 | ||
4763 | if ((flags & 2) == 0) | |
7a7e1061 | 4764 | error (_("DW_MACRO_start_file used, but no .debug_line offset provided.\n")); |
4ccf1e31 JJ |
4765 | else |
4766 | file_name | |
4767 | = get_line_filename_and_dirname (line_offset, filenum, | |
4768 | &dir_name); | |
4769 | if (file_name == NULL) | |
7a7e1061 | 4770 | printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d\n"), |
4ccf1e31 JJ |
4771 | lineno, filenum); |
4772 | else | |
7a7e1061 | 4773 | printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d filename: %s%s%s\n"), |
4ccf1e31 JJ |
4774 | lineno, filenum, |
4775 | dir_name != NULL ? (const char *) dir_name : "", | |
4776 | dir_name != NULL ? "/" : "", file_name); | |
4777 | } | |
4778 | break; | |
4779 | ||
7a7e1061 JK |
4780 | case DW_MACRO_end_file: |
4781 | printf (_(" DW_MACRO_end_file\n")); | |
4ccf1e31 JJ |
4782 | break; |
4783 | ||
7a7e1061 | 4784 | case DW_MACRO_define: |
f6f0e17b | 4785 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 4786 | curr += bytes_read; |
0c588247 NC |
4787 | string = curr; |
4788 | curr += strnlen ((char *) string, end - string) + 1; | |
7a7e1061 | 4789 | printf (_(" DW_MACRO_define - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
4790 | lineno, string); |
4791 | break; | |
4792 | ||
7a7e1061 | 4793 | case DW_MACRO_undef: |
f6f0e17b | 4794 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 4795 | curr += bytes_read; |
0c588247 NC |
4796 | string = curr; |
4797 | curr += strnlen ((char *) string, end - string) + 1; | |
7a7e1061 | 4798 | printf (_(" DW_MACRO_undef - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
4799 | lineno, string); |
4800 | break; | |
4801 | ||
7a7e1061 | 4802 | case DW_MACRO_define_strp: |
f6f0e17b | 4803 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 4804 | curr += bytes_read; |
0c588247 | 4805 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 | 4806 | string = fetch_indirect_string (offset); |
7a7e1061 | 4807 | printf (_(" DW_MACRO_define_strp - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
4808 | lineno, string); |
4809 | break; | |
4810 | ||
7a7e1061 | 4811 | case DW_MACRO_undef_strp: |
f6f0e17b | 4812 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 4813 | curr += bytes_read; |
0c588247 | 4814 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 | 4815 | string = fetch_indirect_string (offset); |
7a7e1061 | 4816 | printf (_(" DW_MACRO_undef_strp - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
4817 | lineno, string); |
4818 | break; | |
4819 | ||
7a7e1061 | 4820 | case DW_MACRO_import: |
0c588247 | 4821 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 4822 | printf (_(" DW_MACRO_import - offset : 0x%lx\n"), |
4ccf1e31 JJ |
4823 | (unsigned long) offset); |
4824 | break; | |
4825 | ||
7a7e1061 | 4826 | case DW_MACRO_define_sup: |
f6f0e17b | 4827 | lineno = read_uleb128 (curr, &bytes_read, end); |
a081f3cd | 4828 | curr += bytes_read; |
0c588247 | 4829 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 4830 | printf (_(" DW_MACRO_define_sup - lineno : %d macro offset : 0x%lx\n"), |
a081f3cd JJ |
4831 | lineno, (unsigned long) offset); |
4832 | break; | |
4833 | ||
7a7e1061 | 4834 | case DW_MACRO_undef_sup: |
f6f0e17b | 4835 | lineno = read_uleb128 (curr, &bytes_read, end); |
a081f3cd | 4836 | curr += bytes_read; |
0c588247 | 4837 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 4838 | printf (_(" DW_MACRO_undef_sup - lineno : %d macro offset : 0x%lx\n"), |
a081f3cd JJ |
4839 | lineno, (unsigned long) offset); |
4840 | break; | |
4841 | ||
7a7e1061 | 4842 | case DW_MACRO_import_sup: |
0c588247 | 4843 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 4844 | printf (_(" DW_MACRO_import_sup - offset : 0x%lx\n"), |
a081f3cd JJ |
4845 | (unsigned long) offset); |
4846 | break; | |
4847 | ||
4ccf1e31 JJ |
4848 | default: |
4849 | if (extended_ops == NULL || extended_ops[op] == NULL) | |
4850 | { | |
4851 | error (_(" Unknown macro opcode %02x seen\n"), op); | |
4852 | return 0; | |
4853 | } | |
4854 | else | |
4855 | { | |
4856 | /* Skip over unhandled opcodes. */ | |
4857 | dwarf_vma nargs, n; | |
4858 | unsigned char *desc = extended_ops[op]; | |
f6f0e17b | 4859 | nargs = read_uleb128 (desc, &bytes_read, end); |
4ccf1e31 JJ |
4860 | desc += bytes_read; |
4861 | if (nargs == 0) | |
4862 | { | |
7a7e1061 | 4863 | printf (_(" DW_MACRO_%02x\n"), op); |
4ccf1e31 JJ |
4864 | break; |
4865 | } | |
7a7e1061 | 4866 | printf (_(" DW_MACRO_%02x -"), op); |
4ccf1e31 JJ |
4867 | for (n = 0; n < nargs; n++) |
4868 | { | |
0c588247 NC |
4869 | int val; |
4870 | ||
77145576 | 4871 | /* DW_FORM_implicit_const is not expected here. */ |
0c588247 | 4872 | SAFE_BYTE_GET_AND_INC (val, desc, 1, end); |
4ccf1e31 | 4873 | curr |
77145576 | 4874 | = read_and_display_attr_value (0, val, 0, |
f6f0e17b | 4875 | curr, end, 0, 0, offset_size, |
341f9135 | 4876 | version, NULL, 0, NULL, |
ef0b5f1c | 4877 | NULL, ' '); |
4ccf1e31 JJ |
4878 | if (n != nargs - 1) |
4879 | printf (","); | |
4880 | } | |
4881 | printf ("\n"); | |
4882 | } | |
4883 | break; | |
4884 | } | |
4885 | } | |
4886 | ||
4887 | printf ("\n"); | |
b4eb7656 | 4888 | } |
4ccf1e31 JJ |
4889 | |
4890 | return 1; | |
4891 | } | |
4892 | ||
19e6b90e L |
4893 | static int |
4894 | display_debug_abbrev (struct dwarf_section *section, | |
4895 | void *file ATTRIBUTE_UNUSED) | |
4896 | { | |
4897 | abbrev_entry *entry; | |
4898 | unsigned char *start = section->start; | |
4899 | unsigned char *end = start + section->size; | |
4900 | ||
4901 | printf (_("Contents of the %s section:\n\n"), section->name); | |
4902 | ||
4903 | do | |
4904 | { | |
7282333f AM |
4905 | unsigned char *last; |
4906 | ||
19e6b90e L |
4907 | free_abbrevs (); |
4908 | ||
7282333f | 4909 | last = start; |
19e6b90e L |
4910 | start = process_abbrev_section (start, end); |
4911 | ||
4912 | if (first_abbrev == NULL) | |
4913 | continue; | |
4914 | ||
7282333f | 4915 | printf (_(" Number TAG (0x%lx)\n"), (long) (last - section->start)); |
19e6b90e L |
4916 | |
4917 | for (entry = first_abbrev; entry; entry = entry->next) | |
4918 | { | |
4919 | abbrev_attr *attr; | |
4920 | ||
cc5914eb | 4921 | printf (" %ld %s [%s]\n", |
19e6b90e L |
4922 | entry->entry, |
4923 | get_TAG_name (entry->tag), | |
4924 | entry->children ? _("has children") : _("no children")); | |
4925 | ||
4926 | for (attr = entry->first_attr; attr; attr = attr->next) | |
77145576 JK |
4927 | { |
4928 | printf (" %-18s %s", | |
4929 | get_AT_name (attr->attribute), | |
4930 | get_FORM_name (attr->form)); | |
4931 | if (attr->form == DW_FORM_implicit_const) | |
4932 | printf (": %" BFD_VMA_FMT "d", attr->implicit_const); | |
4933 | putchar ('\n'); | |
4934 | } | |
19e6b90e L |
4935 | } |
4936 | } | |
4937 | while (start); | |
4938 | ||
4939 | printf ("\n"); | |
4940 | ||
4941 | return 1; | |
4942 | } | |
4943 | ||
42bcef4a AB |
4944 | /* Return true when ADDR is the maximum address, when addresses are |
4945 | POINTER_SIZE bytes long. */ | |
4946 | ||
4947 | static bfd_boolean | |
4948 | is_max_address (dwarf_vma addr, unsigned int pointer_size) | |
4949 | { | |
4950 | dwarf_vma mask = ~(~(dwarf_vma) 1 << (pointer_size * 8 - 1)); | |
4951 | return ((addr & mask) == mask); | |
4952 | } | |
4953 | ||
4723351a CC |
4954 | /* Display a location list from a normal (ie, non-dwo) .debug_loc section. */ |
4955 | ||
4956 | static void | |
4957 | display_loc_list (struct dwarf_section *section, | |
b4eb7656 AM |
4958 | unsigned char **start_ptr, |
4959 | unsigned int debug_info_entry, | |
359ca075 JK |
4960 | dwarf_vma offset, |
4961 | dwarf_vma base_address, | |
b4eb7656 | 4962 | int has_frame_base) |
4723351a CC |
4963 | { |
4964 | unsigned char *start = *start_ptr; | |
4965 | unsigned char *section_end = section->start + section->size; | |
82b1b41b NC |
4966 | unsigned long cu_offset; |
4967 | unsigned int pointer_size; | |
4968 | unsigned int offset_size; | |
4969 | int dwarf_version; | |
4723351a CC |
4970 | |
4971 | dwarf_vma begin; | |
4972 | dwarf_vma end; | |
4973 | unsigned short length; | |
4974 | int need_frame_base; | |
4975 | ||
82b1b41b NC |
4976 | if (debug_info_entry >= num_debug_info_entries) |
4977 | { | |
4978 | warn (_("No debug information available for loc lists of entry: %u\n"), | |
4979 | debug_info_entry); | |
4980 | return; | |
4981 | } | |
b4eb7656 | 4982 | |
82b1b41b NC |
4983 | cu_offset = debug_information [debug_info_entry].cu_offset; |
4984 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
4985 | offset_size = debug_information [debug_info_entry].offset_size; | |
4986 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
b4eb7656 | 4987 | |
f41e4712 NC |
4988 | if (pointer_size < 2 || pointer_size > 8) |
4989 | { | |
4990 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
4991 | pointer_size, debug_info_entry); | |
4992 | return; | |
4993 | } | |
4994 | ||
4723351a CC |
4995 | while (1) |
4996 | { | |
359ca075 | 4997 | dwarf_vma off = offset + (start - *start_ptr); |
d1c4b12b | 4998 | |
4723351a | 4999 | if (start + 2 * pointer_size > section_end) |
b4eb7656 AM |
5000 | { |
5001 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5002 | (unsigned long) offset); |
b4eb7656 AM |
5003 | break; |
5004 | } | |
4723351a | 5005 | |
359ca075 | 5006 | printf (" %8.8lx ", (unsigned long) off); |
fab128ef | 5007 | |
0c588247 NC |
5008 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end); |
5009 | SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end); | |
4723351a | 5010 | |
4723351a | 5011 | if (begin == 0 && end == 0) |
b4eb7656 | 5012 | { |
d1c4b12b NC |
5013 | /* PR 18374: In a object file we can have a location list that |
5014 | starts with a begin and end of 0 because there are relocations | |
5015 | that need to be applied to the addresses. Actually applying | |
5016 | the relocations now does not help as they will probably resolve | |
5017 | to 0, since the object file has not been fully linked. Real | |
5018 | end of list markers will not have any relocations against them. */ | |
5019 | if (! reloc_at (section, off) | |
5020 | && ! reloc_at (section, off + pointer_size)) | |
5021 | { | |
5022 | printf (_("<End of list>\n")); | |
5023 | break; | |
5024 | } | |
b4eb7656 | 5025 | } |
4723351a CC |
5026 | |
5027 | /* Check base address specifiers. */ | |
42bcef4a AB |
5028 | if (is_max_address (begin, pointer_size) |
5029 | && !is_max_address (end, pointer_size)) | |
b4eb7656 AM |
5030 | { |
5031 | base_address = end; | |
5032 | print_dwarf_vma (begin, pointer_size); | |
5033 | print_dwarf_vma (end, pointer_size); | |
5034 | printf (_("(base address)\n")); | |
5035 | continue; | |
5036 | } | |
4723351a CC |
5037 | |
5038 | if (start + 2 > section_end) | |
b4eb7656 AM |
5039 | { |
5040 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5041 | (unsigned long) offset); |
b4eb7656 AM |
5042 | break; |
5043 | } | |
4723351a | 5044 | |
0c588247 | 5045 | SAFE_BYTE_GET_AND_INC (length, start, 2, section_end); |
4723351a CC |
5046 | |
5047 | if (start + length > section_end) | |
b4eb7656 AM |
5048 | { |
5049 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5050 | (unsigned long) offset); |
b4eb7656 AM |
5051 | break; |
5052 | } | |
4723351a CC |
5053 | |
5054 | print_dwarf_vma (begin + base_address, pointer_size); | |
5055 | print_dwarf_vma (end + base_address, pointer_size); | |
5056 | ||
5057 | putchar ('('); | |
5058 | need_frame_base = decode_location_expression (start, | |
b4eb7656 AM |
5059 | pointer_size, |
5060 | offset_size, | |
5061 | dwarf_version, | |
5062 | length, | |
5063 | cu_offset, section); | |
4723351a CC |
5064 | putchar (')'); |
5065 | ||
5066 | if (need_frame_base && !has_frame_base) | |
b4eb7656 | 5067 | printf (_(" [without DW_AT_frame_base]")); |
4723351a CC |
5068 | |
5069 | if (begin == end) | |
b4eb7656 | 5070 | fputs (_(" (start == end)"), stdout); |
4723351a | 5071 | else if (begin > end) |
b4eb7656 | 5072 | fputs (_(" (start > end)"), stdout); |
4723351a CC |
5073 | |
5074 | putchar ('\n'); | |
5075 | ||
5076 | start += length; | |
5077 | } | |
5078 | ||
5079 | *start_ptr = start; | |
5080 | } | |
5081 | ||
77145576 JK |
5082 | /* Display a location list from a normal (ie, non-dwo) .debug_loclists section. */ |
5083 | ||
5084 | static void | |
5085 | display_loclists_list (struct dwarf_section *section, | |
5086 | unsigned char **start_ptr, | |
5087 | unsigned int debug_info_entry, | |
5088 | dwarf_vma offset, | |
5089 | dwarf_vma base_address, | |
5090 | int has_frame_base) | |
5091 | { | |
5092 | unsigned char *start = *start_ptr; | |
5093 | unsigned char *section_end = section->start + section->size; | |
5094 | unsigned long cu_offset; | |
5095 | unsigned int pointer_size; | |
5096 | unsigned int offset_size; | |
5097 | int dwarf_version; | |
5098 | unsigned int bytes_read; | |
5099 | ||
9dfd0db9 JK |
5100 | /* Initialize it due to a false compiler warning. */ |
5101 | dwarf_vma begin = -1; | |
5102 | dwarf_vma end = -1; | |
77145576 JK |
5103 | dwarf_vma length; |
5104 | int need_frame_base; | |
5105 | ||
5106 | if (debug_info_entry >= num_debug_info_entries) | |
5107 | { | |
5108 | warn (_("No debug information available for " | |
5109 | "loclists lists of entry: %u\n"), | |
5110 | debug_info_entry); | |
5111 | return; | |
5112 | } | |
5113 | ||
5114 | cu_offset = debug_information [debug_info_entry].cu_offset; | |
5115 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
5116 | offset_size = debug_information [debug_info_entry].offset_size; | |
5117 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
5118 | ||
5119 | if (pointer_size < 2 || pointer_size > 8) | |
5120 | { | |
5121 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
5122 | pointer_size, debug_info_entry); | |
5123 | return; | |
5124 | } | |
5125 | ||
5126 | while (1) | |
5127 | { | |
5128 | dwarf_vma off = offset + (start - *start_ptr); | |
5129 | enum dwarf_location_list_entry_type llet; | |
5130 | ||
5131 | if (start + 1 > section_end) | |
5132 | { | |
5133 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
5134 | (unsigned long) offset); | |
5135 | break; | |
5136 | } | |
5137 | ||
5138 | printf (" %8.8lx ", (unsigned long) off); | |
5139 | ||
5140 | SAFE_BYTE_GET_AND_INC (llet, start, 1, section_end); | |
5141 | ||
5142 | switch (llet) | |
5143 | { | |
5144 | case DW_LLE_end_of_list: | |
5145 | printf (_("<End of list>\n")); | |
5146 | break; | |
5147 | case DW_LLE_offset_pair: | |
5148 | begin = read_uleb128 (start, &bytes_read, section_end); | |
5149 | start += bytes_read; | |
5150 | end = read_uleb128 (start, &bytes_read, section_end); | |
5151 | start += bytes_read; | |
5152 | break; | |
5153 | case DW_LLE_base_address: | |
5154 | SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, | |
5155 | section_end); | |
5156 | print_dwarf_vma (base_address, pointer_size); | |
5157 | printf (_("(base address)\n")); | |
5158 | break; | |
5159 | default: | |
5160 | error (_("Invalid location list entry type %d\n"), llet); | |
5161 | return; | |
5162 | } | |
5163 | if (llet == DW_LLE_end_of_list) | |
5164 | break; | |
5165 | if (llet != DW_LLE_offset_pair) | |
5166 | continue; | |
5167 | ||
5168 | if (start + 2 > section_end) | |
5169 | { | |
5170 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
5171 | (unsigned long) offset); | |
5172 | break; | |
5173 | } | |
5174 | ||
5175 | length = read_uleb128 (start, &bytes_read, section_end); | |
5176 | start += bytes_read; | |
5177 | ||
5178 | print_dwarf_vma (begin + base_address, pointer_size); | |
5179 | print_dwarf_vma (end + base_address, pointer_size); | |
5180 | ||
5181 | putchar ('('); | |
5182 | need_frame_base = decode_location_expression (start, | |
5183 | pointer_size, | |
5184 | offset_size, | |
5185 | dwarf_version, | |
5186 | length, | |
5187 | cu_offset, section); | |
5188 | putchar (')'); | |
5189 | ||
5190 | if (need_frame_base && !has_frame_base) | |
5191 | printf (_(" [without DW_AT_frame_base]")); | |
5192 | ||
5193 | if (begin == end) | |
5194 | fputs (_(" (start == end)"), stdout); | |
5195 | else if (begin > end) | |
5196 | fputs (_(" (start > end)"), stdout); | |
5197 | ||
5198 | putchar ('\n'); | |
5199 | ||
5200 | start += length; | |
5201 | } | |
5202 | ||
5203 | *start_ptr = start; | |
5204 | } | |
5205 | ||
fab128ef CC |
5206 | /* Print a .debug_addr table index in decimal, surrounded by square brackets, |
5207 | right-adjusted in a field of length LEN, and followed by a space. */ | |
5208 | ||
5209 | static void | |
5210 | print_addr_index (unsigned int idx, unsigned int len) | |
5211 | { | |
5212 | static char buf[15]; | |
5213 | snprintf (buf, sizeof (buf), "[%d]", idx); | |
341f9135 | 5214 | printf ("%*s ", len, buf); |
fab128ef CC |
5215 | } |
5216 | ||
4723351a CC |
5217 | /* Display a location list from a .dwo section. It uses address indexes rather |
5218 | than embedded addresses. This code closely follows display_loc_list, but the | |
5219 | two are sufficiently different that combining things is very ugly. */ | |
5220 | ||
5221 | static void | |
5222 | display_loc_list_dwo (struct dwarf_section *section, | |
b4eb7656 AM |
5223 | unsigned char **start_ptr, |
5224 | unsigned int debug_info_entry, | |
359ca075 | 5225 | dwarf_vma offset, |
b4eb7656 | 5226 | int has_frame_base) |
4723351a CC |
5227 | { |
5228 | unsigned char *start = *start_ptr; | |
5229 | unsigned char *section_end = section->start + section->size; | |
82b1b41b NC |
5230 | unsigned long cu_offset; |
5231 | unsigned int pointer_size; | |
5232 | unsigned int offset_size; | |
5233 | int dwarf_version; | |
4723351a CC |
5234 | int entry_type; |
5235 | unsigned short length; | |
5236 | int need_frame_base; | |
fab128ef | 5237 | unsigned int idx; |
4723351a CC |
5238 | unsigned int bytes_read; |
5239 | ||
82b1b41b NC |
5240 | if (debug_info_entry >= num_debug_info_entries) |
5241 | { | |
5242 | warn (_("No debug information for loc lists of entry: %u\n"), | |
5243 | debug_info_entry); | |
5244 | return; | |
5245 | } | |
5246 | ||
5247 | cu_offset = debug_information [debug_info_entry].cu_offset; | |
5248 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
5249 | offset_size = debug_information [debug_info_entry].offset_size; | |
5250 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
5251 | ||
f41e4712 NC |
5252 | if (pointer_size < 2 || pointer_size > 8) |
5253 | { | |
5254 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
5255 | pointer_size, debug_info_entry); | |
5256 | return; | |
5257 | } | |
5258 | ||
4723351a CC |
5259 | while (1) |
5260 | { | |
359ca075 | 5261 | printf (" %8.8lx ", (unsigned long) (offset + (start - *start_ptr))); |
4723351a | 5262 | |
fab128ef | 5263 | if (start >= section_end) |
b4eb7656 AM |
5264 | { |
5265 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5266 | (unsigned long) offset); |
b4eb7656 AM |
5267 | break; |
5268 | } | |
4723351a | 5269 | |
0c588247 | 5270 | SAFE_BYTE_GET_AND_INC (entry_type, start, 1, section_end); |
4723351a | 5271 | switch (entry_type) |
b4eb7656 AM |
5272 | { |
5273 | case 0: /* A terminating entry. */ | |
5274 | *start_ptr = start; | |
5275 | printf (_("<End of list>\n")); | |
5276 | return; | |
5277 | case 1: /* A base-address entry. */ | |
5278 | idx = read_uleb128 (start, &bytes_read, section_end); | |
5279 | start += bytes_read; | |
5280 | print_addr_index (idx, 8); | |
5281 | printf (" "); | |
5282 | printf (_("(base address selection entry)\n")); | |
5283 | continue; | |
5284 | case 2: /* A start/end entry. */ | |
5285 | idx = read_uleb128 (start, &bytes_read, section_end); | |
5286 | start += bytes_read; | |
5287 | print_addr_index (idx, 8); | |
5288 | idx = read_uleb128 (start, &bytes_read, section_end); | |
5289 | start += bytes_read; | |
5290 | print_addr_index (idx, 8); | |
5291 | break; | |
5292 | case 3: /* A start/length entry. */ | |
5293 | idx = read_uleb128 (start, &bytes_read, section_end); | |
5294 | start += bytes_read; | |
5295 | print_addr_index (idx, 8); | |
5296 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
5297 | printf ("%08x ", idx); | |
5298 | break; | |
5299 | case 4: /* An offset pair entry. */ | |
5300 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
5301 | printf ("%08x ", idx); | |
5302 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
5303 | printf ("%08x ", idx); | |
5304 | break; | |
5305 | default: | |
5306 | warn (_("Unknown location list entry type 0x%x.\n"), entry_type); | |
5307 | *start_ptr = start; | |
5308 | return; | |
5309 | } | |
4723351a CC |
5310 | |
5311 | if (start + 2 > section_end) | |
b4eb7656 AM |
5312 | { |
5313 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5314 | (unsigned long) offset); |
b4eb7656 AM |
5315 | break; |
5316 | } | |
4723351a | 5317 | |
0c588247 | 5318 | SAFE_BYTE_GET_AND_INC (length, start, 2, section_end); |
4723351a | 5319 | if (start + length > section_end) |
b4eb7656 AM |
5320 | { |
5321 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5322 | (unsigned long) offset); |
b4eb7656 AM |
5323 | break; |
5324 | } | |
4723351a CC |
5325 | |
5326 | putchar ('('); | |
5327 | need_frame_base = decode_location_expression (start, | |
b4eb7656 AM |
5328 | pointer_size, |
5329 | offset_size, | |
5330 | dwarf_version, | |
5331 | length, | |
5332 | cu_offset, section); | |
4723351a CC |
5333 | putchar (')'); |
5334 | ||
5335 | if (need_frame_base && !has_frame_base) | |
b4eb7656 | 5336 | printf (_(" [without DW_AT_frame_base]")); |
4723351a CC |
5337 | |
5338 | putchar ('\n'); | |
5339 | ||
5340 | start += length; | |
5341 | } | |
5342 | ||
5343 | *start_ptr = start; | |
5344 | } | |
5345 | ||
51d0d03f JJ |
5346 | /* Sort array of indexes in ascending order of loc_offsets[idx]. */ |
5347 | ||
5348 | static dwarf_vma *loc_offsets; | |
5349 | ||
5350 | static int | |
5351 | loc_offsets_compar (const void *ap, const void *bp) | |
5352 | { | |
5353 | dwarf_vma a = loc_offsets[*(const unsigned int *) ap]; | |
5354 | dwarf_vma b = loc_offsets[*(const unsigned int *) bp]; | |
5355 | ||
5356 | return (a > b) - (b > a); | |
5357 | } | |
5358 | ||
19e6b90e L |
5359 | static int |
5360 | display_debug_loc (struct dwarf_section *section, void *file) | |
5361 | { | |
5362 | unsigned char *start = section->start; | |
19e6b90e L |
5363 | unsigned long bytes; |
5364 | unsigned char *section_begin = start; | |
5365 | unsigned int num_loc_list = 0; | |
5366 | unsigned long last_offset = 0; | |
5367 | unsigned int first = 0; | |
5368 | unsigned int i; | |
5369 | unsigned int j; | |
5370 | int seen_first_offset = 0; | |
51d0d03f | 5371 | int locs_sorted = 1; |
19e6b90e | 5372 | unsigned char *next; |
51d0d03f | 5373 | unsigned int *array = NULL; |
4723351a CC |
5374 | const char *suffix = strrchr (section->name, '.'); |
5375 | int is_dwo = 0; | |
77145576 JK |
5376 | int is_loclists = strstr (section->name, "debug_loclists") != NULL; |
5377 | dwarf_vma expected_start = 0; | |
4723351a CC |
5378 | |
5379 | if (suffix && strcmp (suffix, ".dwo") == 0) | |
5380 | is_dwo = 1; | |
19e6b90e L |
5381 | |
5382 | bytes = section->size; | |
19e6b90e L |
5383 | |
5384 | if (bytes == 0) | |
5385 | { | |
5386 | printf (_("\nThe %s section is empty.\n"), section->name); | |
5387 | return 0; | |
5388 | } | |
5389 | ||
77145576 JK |
5390 | if (is_loclists) |
5391 | { | |
5392 | unsigned char *hdrptr = section_begin; | |
5393 | dwarf_vma ll_length; | |
5394 | unsigned short ll_version; | |
5395 | unsigned char *end = section_begin + section->size; | |
5396 | unsigned char address_size, segment_selector_size; | |
5397 | uint32_t offset_entry_count; | |
5398 | ||
5399 | SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 4, end); | |
5400 | if (ll_length == 0xffffffff) | |
5401 | SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 8, end); | |
5402 | ||
5403 | SAFE_BYTE_GET_AND_INC (ll_version, hdrptr, 2, end); | |
5404 | if (ll_version != 5) | |
5405 | { | |
5406 | warn (_("The %s section contains corrupt or " | |
5407 | "unsupported version number: %d.\n"), | |
5408 | section->name, ll_version); | |
5409 | return 0; | |
5410 | } | |
5411 | ||
5412 | SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end); | |
5413 | ||
5414 | SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end); | |
5415 | if (segment_selector_size != 0) | |
5416 | { | |
5417 | warn (_("The %s section contains " | |
5418 | "unsupported segment selector size: %d.\n"), | |
5419 | section->name, segment_selector_size); | |
5420 | return 0; | |
5421 | } | |
5422 | ||
5423 | SAFE_BYTE_GET_AND_INC (offset_entry_count, hdrptr, 4, end); | |
5424 | if (offset_entry_count != 0) | |
5425 | { | |
5426 | warn (_("The %s section contains " | |
5427 | "unsupported offset entry count: %d.\n"), | |
5428 | section->name, offset_entry_count); | |
5429 | return 0; | |
5430 | } | |
5431 | ||
5432 | expected_start = hdrptr - section_begin; | |
5433 | } | |
5434 | ||
1febe64d NC |
5435 | if (load_debug_info (file) == 0) |
5436 | { | |
5437 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
5438 | section->name); | |
5439 | return 0; | |
5440 | } | |
19e6b90e L |
5441 | |
5442 | /* Check the order of location list in .debug_info section. If | |
5443 | offsets of location lists are in the ascending order, we can | |
5444 | use `debug_information' directly. */ | |
5445 | for (i = 0; i < num_debug_info_entries; i++) | |
5446 | { | |
5447 | unsigned int num; | |
5448 | ||
5449 | num = debug_information [i].num_loc_offsets; | |
51d0d03f JJ |
5450 | if (num > num_loc_list) |
5451 | num_loc_list = num; | |
19e6b90e L |
5452 | |
5453 | /* Check if we can use `debug_information' directly. */ | |
51d0d03f | 5454 | if (locs_sorted && num != 0) |
19e6b90e L |
5455 | { |
5456 | if (!seen_first_offset) | |
5457 | { | |
5458 | /* This is the first location list. */ | |
5459 | last_offset = debug_information [i].loc_offsets [0]; | |
5460 | first = i; | |
5461 | seen_first_offset = 1; | |
5462 | j = 1; | |
5463 | } | |
5464 | else | |
5465 | j = 0; | |
5466 | ||
5467 | for (; j < num; j++) | |
5468 | { | |
5469 | if (last_offset > | |
5470 | debug_information [i].loc_offsets [j]) | |
5471 | { | |
51d0d03f | 5472 | locs_sorted = 0; |
19e6b90e L |
5473 | break; |
5474 | } | |
5475 | last_offset = debug_information [i].loc_offsets [j]; | |
5476 | } | |
5477 | } | |
5478 | } | |
5479 | ||
19e6b90e L |
5480 | if (!seen_first_offset) |
5481 | error (_("No location lists in .debug_info section!\n")); | |
5482 | ||
d4bfc77b | 5483 | if (debug_information [first].num_loc_offsets > 0 |
77145576 | 5484 | && debug_information [first].loc_offsets [0] != expected_start) |
47704ddf KT |
5485 | warn (_("Location lists in %s section start at 0x%s\n"), |
5486 | section->name, | |
5487 | dwarf_vmatoa ("x", debug_information [first].loc_offsets [0])); | |
19e6b90e | 5488 | |
51d0d03f JJ |
5489 | if (!locs_sorted) |
5490 | array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int)); | |
19e6b90e | 5491 | printf (_("Contents of the %s section:\n\n"), section->name); |
d1c4b12b NC |
5492 | if (reloc_at (section, 0)) |
5493 | printf (_(" Warning: This section has relocations - addresses seen here may not be accurate.\n\n")); | |
5494 | printf (_(" Offset Begin End Expression\n")); | |
19e6b90e L |
5495 | |
5496 | seen_first_offset = 0; | |
5497 | for (i = first; i < num_debug_info_entries; i++) | |
5498 | { | |
359ca075 JK |
5499 | dwarf_vma offset; |
5500 | dwarf_vma base_address; | |
d1c4b12b | 5501 | unsigned int k; |
19e6b90e L |
5502 | int has_frame_base; |
5503 | ||
51d0d03f JJ |
5504 | if (!locs_sorted) |
5505 | { | |
5506 | for (k = 0; k < debug_information [i].num_loc_offsets; k++) | |
5507 | array[k] = k; | |
5508 | loc_offsets = debug_information [i].loc_offsets; | |
5509 | qsort (array, debug_information [i].num_loc_offsets, | |
5510 | sizeof (*array), loc_offsets_compar); | |
5511 | } | |
19e6b90e | 5512 | |
51d0d03f | 5513 | for (k = 0; k < debug_information [i].num_loc_offsets; k++) |
19e6b90e | 5514 | { |
51d0d03f JJ |
5515 | j = locs_sorted ? k : array[k]; |
5516 | if (k | |
5517 | && debug_information [i].loc_offsets [locs_sorted | |
5518 | ? k - 1 : array [k - 1]] | |
5519 | == debug_information [i].loc_offsets [j]) | |
5520 | continue; | |
19e6b90e | 5521 | has_frame_base = debug_information [i].have_frame_base [j]; |
d493b283 | 5522 | offset = debug_information [i].loc_offsets [j]; |
19e6b90e L |
5523 | next = section_begin + offset; |
5524 | base_address = debug_information [i].base_address; | |
5525 | ||
5526 | if (!seen_first_offset) | |
5527 | seen_first_offset = 1; | |
5528 | else | |
5529 | { | |
5530 | if (start < next) | |
5531 | warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e | 5532 | (unsigned long) (start - section_begin), |
c8071705 | 5533 | (unsigned long) offset); |
19e6b90e L |
5534 | else if (start > next) |
5535 | warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e | 5536 | (unsigned long) (start - section_begin), |
c8071705 | 5537 | (unsigned long) offset); |
19e6b90e L |
5538 | } |
5539 | start = next; | |
5540 | ||
5541 | if (offset >= bytes) | |
5542 | { | |
5543 | warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"), | |
359ca075 | 5544 | (unsigned long) offset); |
19e6b90e L |
5545 | continue; |
5546 | } | |
5547 | ||
77145576 JK |
5548 | if (!is_loclists) |
5549 | { | |
5550 | if (is_dwo) | |
5551 | display_loc_list_dwo (section, &start, i, offset, | |
5552 | has_frame_base); | |
5553 | else | |
5554 | display_loc_list (section, &start, i, offset, base_address, | |
5555 | has_frame_base); | |
5556 | } | |
b4eb7656 | 5557 | else |
77145576 JK |
5558 | { |
5559 | if (is_dwo) | |
5560 | warn (_("DWO is not yet supported.\n")); | |
5561 | else | |
5562 | display_loclists_list (section, &start, i, offset, base_address, | |
5563 | has_frame_base); | |
5564 | } | |
19e6b90e L |
5565 | } |
5566 | } | |
031cd65f | 5567 | |
4723351a | 5568 | if (start < section->start + section->size) |
031cd65f | 5569 | warn (_("There are %ld unused bytes at the end of section %s\n"), |
4723351a | 5570 | (long) (section->start + section->size - start), section->name); |
98fb390a | 5571 | putchar ('\n'); |
51d0d03f | 5572 | free (array); |
19e6b90e L |
5573 | return 1; |
5574 | } | |
5575 | ||
5576 | static int | |
5577 | display_debug_str (struct dwarf_section *section, | |
5578 | void *file ATTRIBUTE_UNUSED) | |
5579 | { | |
5580 | unsigned char *start = section->start; | |
5581 | unsigned long bytes = section->size; | |
5582 | dwarf_vma addr = section->address; | |
5583 | ||
5584 | if (bytes == 0) | |
5585 | { | |
5586 | printf (_("\nThe %s section is empty.\n"), section->name); | |
5587 | return 0; | |
5588 | } | |
5589 | ||
5590 | printf (_("Contents of the %s section:\n\n"), section->name); | |
5591 | ||
5592 | while (bytes) | |
5593 | { | |
5594 | int j; | |
5595 | int k; | |
5596 | int lbytes; | |
5597 | ||
5598 | lbytes = (bytes > 16 ? 16 : bytes); | |
5599 | ||
5600 | printf (" 0x%8.8lx ", (unsigned long) addr); | |
5601 | ||
5602 | for (j = 0; j < 16; j++) | |
5603 | { | |
5604 | if (j < lbytes) | |
5605 | printf ("%2.2x", start[j]); | |
5606 | else | |
5607 | printf (" "); | |
5608 | ||
5609 | if ((j & 3) == 3) | |
5610 | printf (" "); | |
5611 | } | |
5612 | ||
5613 | for (j = 0; j < lbytes; j++) | |
5614 | { | |
5615 | k = start[j]; | |
5616 | if (k >= ' ' && k < 0x80) | |
5617 | printf ("%c", k); | |
5618 | else | |
5619 | printf ("."); | |
5620 | } | |
5621 | ||
5622 | putchar ('\n'); | |
5623 | ||
5624 | start += lbytes; | |
5625 | addr += lbytes; | |
5626 | bytes -= lbytes; | |
5627 | } | |
5628 | ||
5629 | putchar ('\n'); | |
5630 | ||
5631 | return 1; | |
5632 | } | |
5633 | ||
19e6b90e L |
5634 | static int |
5635 | display_debug_info (struct dwarf_section *section, void *file) | |
5636 | { | |
4723351a | 5637 | return process_debug_info (section, file, section->abbrev_sec, 0, 0); |
19e6b90e L |
5638 | } |
5639 | ||
2b6f5997 CC |
5640 | static int |
5641 | display_debug_types (struct dwarf_section *section, void *file) | |
5642 | { | |
4723351a | 5643 | return process_debug_info (section, file, section->abbrev_sec, 0, 1); |
6f875884 TG |
5644 | } |
5645 | ||
5646 | static int | |
5647 | display_trace_info (struct dwarf_section *section, void *file) | |
5648 | { | |
4723351a | 5649 | return process_debug_info (section, file, section->abbrev_sec, 0, 0); |
2b6f5997 | 5650 | } |
19e6b90e L |
5651 | |
5652 | static int | |
5653 | display_debug_aranges (struct dwarf_section *section, | |
5654 | void *file ATTRIBUTE_UNUSED) | |
5655 | { | |
5656 | unsigned char *start = section->start; | |
5657 | unsigned char *end = start + section->size; | |
5658 | ||
80c35038 | 5659 | printf (_("Contents of the %s section:\n\n"), section->name); |
19e6b90e | 5660 | |
6e3d6dc1 NC |
5661 | /* It does not matter if this load fails, |
5662 | we test for that later on. */ | |
5663 | load_debug_info (file); | |
5664 | ||
19e6b90e L |
5665 | while (start < end) |
5666 | { | |
5667 | unsigned char *hdrptr; | |
5668 | DWARF2_Internal_ARange arange; | |
91d6fa6a | 5669 | unsigned char *addr_ranges; |
2d9472a2 NC |
5670 | dwarf_vma length; |
5671 | dwarf_vma address; | |
53b8873b | 5672 | unsigned char address_size; |
19e6b90e | 5673 | int excess; |
bf5117e3 NC |
5674 | unsigned int offset_size; |
5675 | unsigned int initial_length_size; | |
19e6b90e L |
5676 | |
5677 | hdrptr = start; | |
5678 | ||
0c588247 | 5679 | SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 4, end); |
19e6b90e L |
5680 | if (arange.ar_length == 0xffffffff) |
5681 | { | |
0c588247 | 5682 | SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 8, end); |
19e6b90e L |
5683 | offset_size = 8; |
5684 | initial_length_size = 12; | |
5685 | } | |
5686 | else | |
5687 | { | |
5688 | offset_size = 4; | |
5689 | initial_length_size = 4; | |
5690 | } | |
5691 | ||
0c588247 NC |
5692 | SAFE_BYTE_GET_AND_INC (arange.ar_version, hdrptr, 2, end); |
5693 | SAFE_BYTE_GET_AND_INC (arange.ar_info_offset, hdrptr, offset_size, end); | |
19e6b90e | 5694 | |
6e3d6dc1 NC |
5695 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE |
5696 | && num_debug_info_entries > 0 | |
5697 | && find_debug_info_for_offset (arange.ar_info_offset) == NULL) | |
5698 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), | |
47704ddf | 5699 | (unsigned long) arange.ar_info_offset, section->name); |
6e3d6dc1 | 5700 | |
0c588247 NC |
5701 | SAFE_BYTE_GET_AND_INC (arange.ar_pointer_size, hdrptr, 1, end); |
5702 | SAFE_BYTE_GET_AND_INC (arange.ar_segment_size, hdrptr, 1, end); | |
19e6b90e L |
5703 | |
5704 | if (arange.ar_version != 2 && arange.ar_version != 3) | |
5705 | { | |
67f101ee NC |
5706 | /* PR 19872: A version number of 0 probably means that there is |
5707 | padding at the end of the .debug_aranges section. Gold puts | |
5708 | it there when performing an incremental link, for example. | |
5709 | So do not generate a warning in this case. */ | |
5710 | if (arange.ar_version) | |
5711 | warn (_("Only DWARF 2 and 3 aranges are currently supported.\n")); | |
19e6b90e L |
5712 | break; |
5713 | } | |
5714 | ||
47704ddf KT |
5715 | printf (_(" Length: %ld\n"), |
5716 | (long) arange.ar_length); | |
19e6b90e | 5717 | printf (_(" Version: %d\n"), arange.ar_version); |
47704ddf KT |
5718 | printf (_(" Offset into .debug_info: 0x%lx\n"), |
5719 | (unsigned long) arange.ar_info_offset); | |
19e6b90e L |
5720 | printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size); |
5721 | printf (_(" Segment Size: %d\n"), arange.ar_segment_size); | |
5722 | ||
53b8873b NC |
5723 | address_size = arange.ar_pointer_size + arange.ar_segment_size; |
5724 | ||
f41e4712 NC |
5725 | /* PR 17512: file: 001-108546-0.001:0.1. */ |
5726 | if (address_size == 0 || address_size > 8) | |
b3681d67 L |
5727 | { |
5728 | error (_("Invalid address size in %s section!\n"), | |
5729 | section->name); | |
5730 | break; | |
5731 | } | |
5732 | ||
53b8873b NC |
5733 | /* The DWARF spec does not require that the address size be a power |
5734 | of two, but we do. This will have to change if we ever encounter | |
5735 | an uneven architecture. */ | |
5736 | if ((address_size & (address_size - 1)) != 0) | |
5737 | { | |
5738 | warn (_("Pointer size + Segment size is not a power of two.\n")); | |
5739 | break; | |
5740 | } | |
cecf136e | 5741 | |
209c9a13 NC |
5742 | if (address_size > 4) |
5743 | printf (_("\n Address Length\n")); | |
5744 | else | |
5745 | printf (_("\n Address Length\n")); | |
19e6b90e | 5746 | |
91d6fa6a | 5747 | addr_ranges = hdrptr; |
19e6b90e | 5748 | |
53b8873b NC |
5749 | /* Must pad to an alignment boundary that is twice the address size. */ |
5750 | excess = (hdrptr - start) % (2 * address_size); | |
19e6b90e | 5751 | if (excess) |
91d6fa6a | 5752 | addr_ranges += (2 * address_size) - excess; |
19e6b90e | 5753 | |
ffc0f143 NC |
5754 | hdrptr = start + arange.ar_length + initial_length_size; |
5755 | if (hdrptr < start || hdrptr > end) | |
5756 | { | |
5757 | error (_("Excessive header length: %lx\n"), (long) arange.ar_length); | |
5758 | break; | |
5759 | } | |
5760 | start = hdrptr; | |
1617e571 | 5761 | |
91d6fa6a | 5762 | while (addr_ranges + 2 * address_size <= start) |
19e6b90e | 5763 | { |
0c588247 NC |
5764 | SAFE_BYTE_GET_AND_INC (address, addr_ranges, address_size, end); |
5765 | SAFE_BYTE_GET_AND_INC (length, addr_ranges, address_size, end); | |
19e6b90e | 5766 | |
80c35038 | 5767 | printf (" "); |
2d9472a2 NC |
5768 | print_dwarf_vma (address, address_size); |
5769 | print_dwarf_vma (length, address_size); | |
5770 | putchar ('\n'); | |
19e6b90e | 5771 | } |
19e6b90e L |
5772 | } |
5773 | ||
5774 | printf ("\n"); | |
5775 | ||
5776 | return 1; | |
5777 | } | |
5778 | ||
4723351a CC |
5779 | /* Comparison function for qsort. */ |
5780 | static int | |
5781 | comp_addr_base (const void * v0, const void * v1) | |
5782 | { | |
5783 | debug_info * info0 = (debug_info *) v0; | |
5784 | debug_info * info1 = (debug_info *) v1; | |
5785 | return info0->addr_base - info1->addr_base; | |
5786 | } | |
5787 | ||
5788 | /* Display the debug_addr section. */ | |
5789 | static int | |
5790 | display_debug_addr (struct dwarf_section *section, | |
b4eb7656 | 5791 | void *file) |
4723351a CC |
5792 | { |
5793 | debug_info **debug_addr_info; | |
5794 | unsigned char *entry; | |
5795 | unsigned char *end; | |
5796 | unsigned int i; | |
5797 | unsigned int count; | |
5798 | ||
5799 | if (section->size == 0) | |
5800 | { | |
5801 | printf (_("\nThe %s section is empty.\n"), section->name); | |
5802 | return 0; | |
5803 | } | |
5804 | ||
5805 | if (load_debug_info (file) == 0) | |
5806 | { | |
5807 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
5808 | section->name); | |
5809 | return 0; | |
5810 | } | |
5811 | ||
5812 | printf (_("Contents of the %s section:\n\n"), section->name); | |
5813 | ||
1306a742 NC |
5814 | /* PR 17531: file: cf38d01b. |
5815 | We use xcalloc because a corrupt file may not have initialised all of the | |
5816 | fields in the debug_info structure, which means that the sort below might | |
5817 | try to move uninitialised data. */ | |
5818 | debug_addr_info = (debug_info **) xcalloc ((num_debug_info_entries + 1), | |
b4eb7656 | 5819 | sizeof (debug_info *)); |
4723351a CC |
5820 | |
5821 | count = 0; | |
5822 | for (i = 0; i < num_debug_info_entries; i++) | |
82b1b41b | 5823 | if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE) |
1306a742 NC |
5824 | { |
5825 | /* PR 17531: file: cf38d01b. */ | |
5826 | if (debug_information[i].addr_base >= section->size) | |
5827 | warn (_("Corrupt address base (%lx) found in debug section %u\n"), | |
5828 | (unsigned long) debug_information[i].addr_base, i); | |
5829 | else | |
5830 | debug_addr_info [count++] = debug_information + i; | |
5831 | } | |
4723351a CC |
5832 | |
5833 | /* Add a sentinel to make iteration convenient. */ | |
5834 | debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info)); | |
5835 | debug_addr_info [count]->addr_base = section->size; | |
4723351a | 5836 | qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base); |
1306a742 | 5837 | |
4723351a CC |
5838 | for (i = 0; i < count; i++) |
5839 | { | |
5840 | unsigned int idx; | |
fab128ef | 5841 | unsigned int address_size = debug_addr_info [i]->pointer_size; |
4723351a CC |
5842 | |
5843 | printf (_(" For compilation unit at offset 0x%s:\n"), | |
b4eb7656 | 5844 | dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset)); |
4723351a | 5845 | |
fab128ef | 5846 | printf (_("\tIndex\tAddress\n")); |
4723351a CC |
5847 | entry = section->start + debug_addr_info [i]->addr_base; |
5848 | end = section->start + debug_addr_info [i + 1]->addr_base; | |
5849 | idx = 0; | |
5850 | while (entry < end) | |
b4eb7656 AM |
5851 | { |
5852 | dwarf_vma base = byte_get (entry, address_size); | |
5853 | printf (_("\t%d:\t"), idx); | |
5854 | print_dwarf_vma (base, address_size); | |
5855 | printf ("\n"); | |
5856 | entry += address_size; | |
5857 | idx++; | |
5858 | } | |
4723351a CC |
5859 | } |
5860 | printf ("\n"); | |
5861 | ||
5862 | free (debug_addr_info); | |
5863 | return 1; | |
5864 | } | |
5865 | ||
5866 | /* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */ | |
5867 | static int | |
5868 | display_debug_str_offsets (struct dwarf_section *section, | |
b4eb7656 | 5869 | void *file ATTRIBUTE_UNUSED) |
4723351a CC |
5870 | { |
5871 | if (section->size == 0) | |
5872 | { | |
5873 | printf (_("\nThe %s section is empty.\n"), section->name); | |
5874 | return 0; | |
5875 | } | |
5876 | /* TODO: Dump the contents. This is made somewhat difficult by not knowing | |
5877 | what the offset size is for this section. */ | |
5878 | return 1; | |
5879 | } | |
5880 | ||
01a8f077 JK |
5881 | /* Each debug_information[x].range_lists[y] gets this representation for |
5882 | sorting purposes. */ | |
5883 | ||
5884 | struct range_entry | |
467c65bc NC |
5885 | { |
5886 | /* The debug_information[x].range_lists[y] value. */ | |
359ca075 | 5887 | dwarf_vma ranges_offset; |
01a8f077 | 5888 | |
467c65bc NC |
5889 | /* Original debug_information to find parameters of the data. */ |
5890 | debug_info *debug_info_p; | |
5891 | }; | |
01a8f077 JK |
5892 | |
5893 | /* Sort struct range_entry in ascending order of its RANGES_OFFSET. */ | |
5894 | ||
5895 | static int | |
5896 | range_entry_compar (const void *ap, const void *bp) | |
5897 | { | |
3f5e193b NC |
5898 | const struct range_entry *a_re = (const struct range_entry *) ap; |
5899 | const struct range_entry *b_re = (const struct range_entry *) bp; | |
359ca075 JK |
5900 | const dwarf_vma a = a_re->ranges_offset; |
5901 | const dwarf_vma b = b_re->ranges_offset; | |
01a8f077 JK |
5902 | |
5903 | return (a > b) - (b > a); | |
5904 | } | |
5905 | ||
77145576 JK |
5906 | static void |
5907 | display_debug_ranges_list (unsigned char *start, unsigned char *finish, | |
5908 | unsigned int pointer_size, unsigned long offset, | |
5909 | unsigned long base_address) | |
5910 | { | |
5911 | while (start < finish) | |
5912 | { | |
5913 | dwarf_vma begin; | |
5914 | dwarf_vma end; | |
5915 | ||
5916 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
5917 | if (start >= finish) | |
5918 | break; | |
5919 | SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish); | |
5920 | ||
5921 | printf (" %8.8lx ", offset); | |
5922 | ||
5923 | if (begin == 0 && end == 0) | |
5924 | { | |
5925 | printf (_("<End of list>\n")); | |
5926 | break; | |
5927 | } | |
5928 | ||
5929 | /* Check base address specifiers. */ | |
5930 | if (is_max_address (begin, pointer_size) | |
5931 | && !is_max_address (end, pointer_size)) | |
5932 | { | |
5933 | base_address = end; | |
5934 | print_dwarf_vma (begin, pointer_size); | |
5935 | print_dwarf_vma (end, pointer_size); | |
5936 | printf ("(base address)\n"); | |
5937 | continue; | |
5938 | } | |
5939 | ||
5940 | print_dwarf_vma (begin + base_address, pointer_size); | |
5941 | print_dwarf_vma (end + base_address, pointer_size); | |
5942 | ||
5943 | if (begin == end) | |
5944 | fputs (_("(start == end)"), stdout); | |
5945 | else if (begin > end) | |
5946 | fputs (_("(start > end)"), stdout); | |
5947 | ||
5948 | putchar ('\n'); | |
5949 | } | |
5950 | } | |
5951 | ||
5952 | static void | |
5953 | display_debug_rnglists_list (unsigned char *start, unsigned char *finish, | |
5954 | unsigned int pointer_size, unsigned long offset, | |
5955 | unsigned long base_address) | |
5956 | { | |
5957 | unsigned char *next = start; | |
5958 | ||
5959 | while (1) | |
5960 | { | |
5961 | unsigned long off = offset + (start - next); | |
5962 | enum dwarf_range_list_entry rlet; | |
9dfd0db9 JK |
5963 | /* Initialize it due to a false compiler warning. */ |
5964 | dwarf_vma begin = -1, length, end = -1; | |
77145576 JK |
5965 | unsigned int bytes_read; |
5966 | ||
5967 | if (start + 1 > finish) | |
5968 | { | |
5969 | warn (_("Range list starting at offset 0x%lx is not terminated.\n"), | |
5970 | offset); | |
5971 | break; | |
5972 | } | |
5973 | ||
5974 | printf (" %8.8lx ", off); | |
5975 | ||
5976 | SAFE_BYTE_GET_AND_INC (rlet, start, 1, finish); | |
5977 | ||
5978 | switch (rlet) | |
5979 | { | |
5980 | case DW_RLE_end_of_list: | |
5981 | printf (_("<End of list>\n")); | |
5982 | break; | |
5983 | case DW_RLE_base_address: | |
5984 | SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, finish); | |
5985 | print_dwarf_vma (base_address, pointer_size); | |
5986 | printf (_("(base address)\n")); | |
5987 | break; | |
5988 | case DW_RLE_start_length: | |
5989 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
5990 | length = read_uleb128 (start, &bytes_read, finish); | |
5991 | start += bytes_read; | |
5992 | end = begin + length; | |
5993 | break; | |
5994 | case DW_RLE_offset_pair: | |
5995 | begin = read_uleb128 (start, &bytes_read, finish); | |
5996 | start += bytes_read; | |
5997 | end = read_uleb128 (start, &bytes_read, finish); | |
5998 | start += bytes_read; | |
5999 | break; | |
6000 | case DW_RLE_start_end: | |
6001 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
6002 | SAFE_BYTE_GET_AND_INC (end, start, pointer_size, finish); | |
6003 | break; | |
6004 | default: | |
6005 | error (_("Invalid range list entry type %d\n"), rlet); | |
6006 | rlet = DW_RLE_end_of_list; | |
6007 | break; | |
6008 | } | |
6009 | if (rlet == DW_RLE_end_of_list) | |
6010 | break; | |
6011 | if (rlet == DW_RLE_base_address) | |
6012 | continue; | |
6013 | ||
6014 | print_dwarf_vma (begin + base_address, pointer_size); | |
6015 | print_dwarf_vma (end + base_address, pointer_size); | |
6016 | ||
6017 | if (begin == end) | |
6018 | fputs (_("(start == end)"), stdout); | |
6019 | else if (begin > end) | |
6020 | fputs (_("(start > end)"), stdout); | |
6021 | ||
6022 | putchar ('\n'); | |
6023 | } | |
6024 | } | |
6025 | ||
19e6b90e L |
6026 | static int |
6027 | display_debug_ranges (struct dwarf_section *section, | |
6028 | void *file ATTRIBUTE_UNUSED) | |
6029 | { | |
6030 | unsigned char *start = section->start; | |
a2ff7a4b | 6031 | unsigned char *last_start = start; |
f6f0e17b | 6032 | unsigned long bytes = section->size; |
19e6b90e | 6033 | unsigned char *section_begin = start; |
f6f0e17b | 6034 | unsigned char *finish = start + bytes; |
01a8f077 JK |
6035 | unsigned int num_range_list, i; |
6036 | struct range_entry *range_entries, *range_entry_fill; | |
77145576 JK |
6037 | int is_rnglists = strstr (section->name, "debug_rnglists") != NULL; |
6038 | /* Initialize it due to a false compiler warning. */ | |
6039 | unsigned char address_size = 0; | |
19e6b90e | 6040 | |
19e6b90e L |
6041 | if (bytes == 0) |
6042 | { | |
6043 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6044 | return 0; | |
6045 | } | |
6046 | ||
77145576 JK |
6047 | if (is_rnglists) |
6048 | { | |
6049 | dwarf_vma initial_length; | |
6050 | unsigned int initial_length_size; | |
6051 | unsigned char segment_selector_size; | |
6052 | unsigned int offset_size, offset_entry_count; | |
6053 | unsigned short version; | |
6054 | ||
6055 | /* Get and check the length of the block. */ | |
6056 | SAFE_BYTE_GET_AND_INC (initial_length, start, 4, finish); | |
6057 | ||
6058 | if (initial_length == 0xffffffff) | |
6059 | { | |
6060 | /* This section is 64-bit DWARF 3. */ | |
6061 | SAFE_BYTE_GET_AND_INC (initial_length, start, 8, finish); | |
6062 | offset_size = 8; | |
6063 | initial_length_size = 12; | |
6064 | } | |
6065 | else | |
6066 | { | |
6067 | offset_size = 4; | |
6068 | initial_length_size = 4; | |
6069 | } | |
6070 | ||
6071 | if (initial_length + initial_length_size > section->size) | |
6072 | { | |
6073 | /* If the length field has a relocation against it, then we should | |
6074 | not complain if it is inaccurate (and probably negative). | |
6075 | It is copied from .debug_line handling code. */ | |
6076 | if (reloc_at (section, (start - section->start) - offset_size)) | |
6077 | { | |
6078 | initial_length = (finish - start) - initial_length_size; | |
6079 | } | |
6080 | else | |
6081 | { | |
6082 | warn (_("The length field (0x%lx) in the debug_rnglists header is wrong - the section is too small\n"), | |
6083 | (long) initial_length); | |
6084 | return 0; | |
6085 | } | |
6086 | } | |
6087 | ||
6088 | /* Get and check the version number. */ | |
6089 | SAFE_BYTE_GET_AND_INC (version, start, 2, finish); | |
6090 | ||
6091 | if (version != 5) | |
6092 | { | |
6093 | warn (_("Only DWARF version 5 debug_rnglists info " | |
6094 | "is currently supported.\n")); | |
6095 | return 0; | |
6096 | } | |
6097 | ||
6098 | SAFE_BYTE_GET_AND_INC (address_size, start, 1, finish); | |
6099 | ||
6100 | SAFE_BYTE_GET_AND_INC (segment_selector_size, start, 1, finish); | |
6101 | if (segment_selector_size != 0) | |
6102 | { | |
6103 | warn (_("The %s section contains " | |
6104 | "unsupported segment selector size: %d.\n"), | |
6105 | section->name, segment_selector_size); | |
6106 | return 0; | |
6107 | } | |
6108 | ||
6109 | SAFE_BYTE_GET_AND_INC (offset_entry_count, start, 4, finish); | |
6110 | if (offset_entry_count != 0) | |
6111 | { | |
6112 | warn (_("The %s section contains " | |
6113 | "unsupported offset entry count: %u.\n"), | |
6114 | section->name, offset_entry_count); | |
6115 | return 0; | |
6116 | } | |
6117 | } | |
6118 | ||
1febe64d NC |
6119 | if (load_debug_info (file) == 0) |
6120 | { | |
6121 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
6122 | section->name); | |
6123 | return 0; | |
6124 | } | |
19e6b90e | 6125 | |
01a8f077 | 6126 | num_range_list = 0; |
19e6b90e | 6127 | for (i = 0; i < num_debug_info_entries; i++) |
01a8f077 | 6128 | num_range_list += debug_information [i].num_range_lists; |
19e6b90e | 6129 | |
01a8f077 | 6130 | if (num_range_list == 0) |
4723351a CC |
6131 | { |
6132 | /* This can happen when the file was compiled with -gsplit-debug | |
b4eb7656 | 6133 | which removes references to range lists from the primary .o file. */ |
4723351a CC |
6134 | printf (_("No range lists in .debug_info section.\n")); |
6135 | return 1; | |
6136 | } | |
19e6b90e | 6137 | |
3f5e193b NC |
6138 | range_entries = (struct range_entry *) |
6139 | xmalloc (sizeof (*range_entries) * num_range_list); | |
01a8f077 | 6140 | range_entry_fill = range_entries; |
19e6b90e | 6141 | |
01a8f077 JK |
6142 | for (i = 0; i < num_debug_info_entries; i++) |
6143 | { | |
6144 | debug_info *debug_info_p = &debug_information[i]; | |
6145 | unsigned int j; | |
6146 | ||
6147 | for (j = 0; j < debug_info_p->num_range_lists; j++) | |
6148 | { | |
6149 | range_entry_fill->ranges_offset = debug_info_p->range_lists[j]; | |
6150 | range_entry_fill->debug_info_p = debug_info_p; | |
6151 | range_entry_fill++; | |
19e6b90e L |
6152 | } |
6153 | } | |
6154 | ||
01a8f077 JK |
6155 | qsort (range_entries, num_range_list, sizeof (*range_entries), |
6156 | range_entry_compar); | |
19e6b90e | 6157 | |
d493b283 | 6158 | if (dwarf_check != 0 && range_entries[0].ranges_offset != 0) |
19e6b90e | 6159 | warn (_("Range lists in %s section start at 0x%lx\n"), |
359ca075 | 6160 | section->name, (unsigned long) range_entries[0].ranges_offset); |
19e6b90e L |
6161 | |
6162 | printf (_("Contents of the %s section:\n\n"), section->name); | |
6163 | printf (_(" Offset Begin End\n")); | |
6164 | ||
01a8f077 | 6165 | for (i = 0; i < num_range_list; i++) |
19e6b90e | 6166 | { |
01a8f077 JK |
6167 | struct range_entry *range_entry = &range_entries[i]; |
6168 | debug_info *debug_info_p = range_entry->debug_info_p; | |
19e6b90e | 6169 | unsigned int pointer_size; |
359ca075 | 6170 | dwarf_vma offset; |
01a8f077 | 6171 | unsigned char *next; |
359ca075 | 6172 | dwarf_vma base_address; |
19e6b90e | 6173 | |
77145576 | 6174 | pointer_size = (is_rnglists ? address_size : debug_info_p->pointer_size); |
d493b283 | 6175 | offset = range_entry->ranges_offset; |
01a8f077 JK |
6176 | next = section_begin + offset; |
6177 | base_address = debug_info_p->base_address; | |
cecf136e | 6178 | |
f41e4712 NC |
6179 | /* PR 17512: file: 001-101485-0.001:0.1. */ |
6180 | if (pointer_size < 2 || pointer_size > 8) | |
6181 | { | |
6182 | warn (_("Corrupt pointer size (%d) in debug entry at offset %8.8lx\n"), | |
359ca075 | 6183 | pointer_size, (unsigned long) offset); |
f41e4712 NC |
6184 | continue; |
6185 | } | |
b4eb7656 | 6186 | |
4723351a | 6187 | if (dwarf_check != 0 && i > 0) |
19e6b90e | 6188 | { |
01a8f077 JK |
6189 | if (start < next) |
6190 | warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"), | |
6191 | (unsigned long) (start - section_begin), | |
6192 | (unsigned long) (next - section_begin), section->name); | |
6193 | else if (start > next) | |
a2ff7a4b AM |
6194 | { |
6195 | if (next == last_start) | |
6196 | continue; | |
6197 | warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"), | |
6198 | (unsigned long) (start - section_begin), | |
6199 | (unsigned long) (next - section_begin), section->name); | |
6200 | } | |
01a8f077 JK |
6201 | } |
6202 | start = next; | |
a2ff7a4b | 6203 | last_start = next; |
19e6b90e | 6204 | |
77145576 JK |
6205 | (is_rnglists ? display_debug_rnglists_list : display_debug_ranges_list) |
6206 | (start, finish, pointer_size, offset, base_address); | |
19e6b90e L |
6207 | } |
6208 | putchar ('\n'); | |
01a8f077 JK |
6209 | |
6210 | free (range_entries); | |
6211 | ||
19e6b90e L |
6212 | return 1; |
6213 | } | |
6214 | ||
6215 | typedef struct Frame_Chunk | |
6216 | { | |
6217 | struct Frame_Chunk *next; | |
6218 | unsigned char *chunk_start; | |
a1165289 | 6219 | unsigned int ncols; |
19e6b90e L |
6220 | /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */ |
6221 | short int *col_type; | |
6222 | int *col_offset; | |
6223 | char *augmentation; | |
6224 | unsigned int code_factor; | |
6225 | int data_factor; | |
bf5117e3 NC |
6226 | dwarf_vma pc_begin; |
6227 | dwarf_vma pc_range; | |
19e6b90e | 6228 | int cfa_reg; |
c8071705 | 6229 | dwarf_vma cfa_offset; |
a1165289 | 6230 | unsigned int ra; |
19e6b90e L |
6231 | unsigned char fde_encoding; |
6232 | unsigned char cfa_exp; | |
604282a7 JJ |
6233 | unsigned char ptr_size; |
6234 | unsigned char segment_size; | |
19e6b90e L |
6235 | } |
6236 | Frame_Chunk; | |
6237 | ||
665ce1f6 L |
6238 | static const char *const *dwarf_regnames; |
6239 | static unsigned int dwarf_regnames_count; | |
6240 | ||
19e6b90e L |
6241 | /* A marker for a col_type that means this column was never referenced |
6242 | in the frame info. */ | |
6243 | #define DW_CFA_unreferenced (-1) | |
6244 | ||
a1165289 | 6245 | /* Return 0 if no more space is needed, 1 if more space is needed, |
665ce1f6 L |
6246 | -1 for invalid reg. */ |
6247 | ||
6248 | static int | |
6249 | frame_need_space (Frame_Chunk *fc, unsigned int reg) | |
19e6b90e | 6250 | { |
a1165289 | 6251 | unsigned int prev = fc->ncols; |
19e6b90e | 6252 | |
665ce1f6 L |
6253 | if (reg < (unsigned int) fc->ncols) |
6254 | return 0; | |
6255 | ||
6256 | if (dwarf_regnames_count | |
6257 | && reg > dwarf_regnames_count) | |
6258 | return -1; | |
19e6b90e L |
6259 | |
6260 | fc->ncols = reg + 1; | |
a1165289 NC |
6261 | /* PR 17512: file: 10450-2643-0.004. |
6262 | If reg == -1 then this can happen... */ | |
6263 | if (fc->ncols == 0) | |
6264 | return -1; | |
6265 | ||
06614111 NC |
6266 | /* PR 17512: file: 2844a11d. */ |
6267 | if (fc->ncols > 1024) | |
6268 | { | |
6269 | error (_("Unfeasibly large register number: %u\n"), reg); | |
6270 | fc->ncols = 0; | |
6271 | /* FIXME: 1024 is an arbitrary limit. Increase it if | |
6272 | we ever encounter a valid binary that exceeds it. */ | |
6273 | return -1; | |
6274 | } | |
6275 | ||
3f5e193b | 6276 | fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols, |
b4eb7656 | 6277 | sizeof (short int)); |
3f5e193b | 6278 | fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int)); |
b4eb7656 | 6279 | /* PR 17512: file:002-10025-0.005. */ |
041830e0 NC |
6280 | if (fc->col_type == NULL || fc->col_offset == NULL) |
6281 | { | |
6282 | error (_("Out of memory allocating %u columns in dwarf frame arrays\n"), | |
6283 | fc->ncols); | |
6284 | fc->ncols = 0; | |
6285 | return -1; | |
6286 | } | |
19e6b90e L |
6287 | |
6288 | while (prev < fc->ncols) | |
6289 | { | |
6290 | fc->col_type[prev] = DW_CFA_unreferenced; | |
6291 | fc->col_offset[prev] = 0; | |
6292 | prev++; | |
6293 | } | |
665ce1f6 | 6294 | return 1; |
19e6b90e L |
6295 | } |
6296 | ||
2dc4cec1 L |
6297 | static const char *const dwarf_regnames_i386[] = |
6298 | { | |
43234a1e L |
6299 | "eax", "ecx", "edx", "ebx", /* 0 - 3 */ |
6300 | "esp", "ebp", "esi", "edi", /* 4 - 7 */ | |
6301 | "eip", "eflags", NULL, /* 8 - 10 */ | |
6302 | "st0", "st1", "st2", "st3", /* 11 - 14 */ | |
6303 | "st4", "st5", "st6", "st7", /* 15 - 18 */ | |
6304 | NULL, NULL, /* 19 - 20 */ | |
6305 | "xmm0", "xmm1", "xmm2", "xmm3", /* 21 - 24 */ | |
6306 | "xmm4", "xmm5", "xmm6", "xmm7", /* 25 - 28 */ | |
6307 | "mm0", "mm1", "mm2", "mm3", /* 29 - 32 */ | |
6308 | "mm4", "mm5", "mm6", "mm7", /* 33 - 36 */ | |
6309 | "fcw", "fsw", "mxcsr", /* 37 - 39 */ | |
6310 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */ | |
6311 | "tr", "ldtr", /* 48 - 49 */ | |
6312 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */ | |
6313 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */ | |
6314 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */ | |
6315 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */ | |
6316 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */ | |
6317 | NULL, NULL, NULL, /* 90 - 92 */ | |
6318 | "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" /* 93 - 100 */ | |
2dc4cec1 L |
6319 | }; |
6320 | ||
3d875af5 L |
6321 | static const char *const dwarf_regnames_iamcu[] = |
6322 | { | |
6323 | "eax", "ecx", "edx", "ebx", /* 0 - 3 */ | |
6324 | "esp", "ebp", "esi", "edi", /* 4 - 7 */ | |
6325 | "eip", "eflags", NULL, /* 8 - 10 */ | |
6326 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 11 - 18 */ | |
6327 | NULL, NULL, /* 19 - 20 */ | |
6328 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 21 - 28 */ | |
6329 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 29 - 36 */ | |
6330 | NULL, NULL, NULL, /* 37 - 39 */ | |
6331 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */ | |
6332 | "tr", "ldtr", /* 48 - 49 */ | |
6333 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */ | |
6334 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */ | |
6335 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */ | |
6336 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */ | |
6337 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */ | |
6338 | NULL, NULL, NULL, /* 90 - 92 */ | |
6339 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL /* 93 - 100 */ | |
6340 | }; | |
6341 | ||
b129eb0e RH |
6342 | void |
6343 | init_dwarf_regnames_i386 (void) | |
6344 | { | |
6345 | dwarf_regnames = dwarf_regnames_i386; | |
6346 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386); | |
6347 | } | |
6348 | ||
3d875af5 L |
6349 | void |
6350 | init_dwarf_regnames_iamcu (void) | |
6351 | { | |
6352 | dwarf_regnames = dwarf_regnames_iamcu; | |
6353 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_iamcu); | |
6354 | } | |
6355 | ||
2dc4cec1 L |
6356 | static const char *const dwarf_regnames_x86_64[] = |
6357 | { | |
6358 | "rax", "rdx", "rcx", "rbx", | |
6359 | "rsi", "rdi", "rbp", "rsp", | |
6360 | "r8", "r9", "r10", "r11", | |
6361 | "r12", "r13", "r14", "r15", | |
6362 | "rip", | |
6363 | "xmm0", "xmm1", "xmm2", "xmm3", | |
6364 | "xmm4", "xmm5", "xmm6", "xmm7", | |
6365 | "xmm8", "xmm9", "xmm10", "xmm11", | |
6366 | "xmm12", "xmm13", "xmm14", "xmm15", | |
6367 | "st0", "st1", "st2", "st3", | |
6368 | "st4", "st5", "st6", "st7", | |
6369 | "mm0", "mm1", "mm2", "mm3", | |
6370 | "mm4", "mm5", "mm6", "mm7", | |
6371 | "rflags", | |
6372 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, | |
6373 | "fs.base", "gs.base", NULL, NULL, | |
6374 | "tr", "ldtr", | |
43234a1e L |
6375 | "mxcsr", "fcw", "fsw", |
6376 | "xmm16", "xmm17", "xmm18", "xmm19", | |
6377 | "xmm20", "xmm21", "xmm22", "xmm23", | |
6378 | "xmm24", "xmm25", "xmm26", "xmm27", | |
6379 | "xmm28", "xmm29", "xmm30", "xmm31", | |
6380 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 83 - 90 */ | |
6381 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 91 - 98 */ | |
6382 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 99 - 106 */ | |
6383 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 107 - 114 */ | |
6384 | NULL, NULL, NULL, /* 115 - 117 */ | |
6385 | "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" | |
2dc4cec1 L |
6386 | }; |
6387 | ||
b129eb0e RH |
6388 | void |
6389 | init_dwarf_regnames_x86_64 (void) | |
6390 | { | |
6391 | dwarf_regnames = dwarf_regnames_x86_64; | |
6392 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64); | |
6393 | } | |
6394 | ||
4ee22035 RH |
6395 | static const char *const dwarf_regnames_aarch64[] = |
6396 | { | |
b4eb7656 AM |
6397 | "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", |
6398 | "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", | |
4ee22035 RH |
6399 | "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23", |
6400 | "x24", "x25", "x26", "x27", "x28", "x29", "x30", "sp", | |
6401 | NULL, "elr", NULL, NULL, NULL, NULL, NULL, NULL, | |
6402 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
6403 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
6404 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
b4eb7656 AM |
6405 | "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", |
6406 | "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", | |
4ee22035 RH |
6407 | "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", |
6408 | "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", | |
6409 | }; | |
6410 | ||
6411 | void | |
6412 | init_dwarf_regnames_aarch64 (void) | |
6413 | { | |
6414 | dwarf_regnames = dwarf_regnames_aarch64; | |
6415 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_aarch64); | |
6416 | } | |
6417 | ||
d6bb17b0 AA |
6418 | static const char *const dwarf_regnames_s390[] = |
6419 | { | |
6420 | /* Avoid saying "r5 (r5)", so omit the names of r0-r15. */ | |
6421 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
6422 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
6423 | "f0", "f2", "f4", "f6", "f1", "f3", "f5", "f7", | |
6424 | "f8", "f10", "f12", "f14", "f9", "f11", "f13", "f15", | |
6425 | "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7", | |
6426 | "cr8", "cr9", "cr10", "cr11", "cr12", "cr13", "cr14", "cr15", | |
6427 | "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", | |
6428 | "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15", | |
6429 | "pswm", "pswa", | |
6430 | NULL, NULL, | |
6431 | "v16", "v18", "v20", "v22", "v17", "v19", "v21", "v23", | |
6432 | "v24", "v26", "v28", "v30", "v25", "v27", "v29", "v31", | |
6433 | }; | |
6434 | ||
6435 | void | |
6436 | init_dwarf_regnames_s390 (void) | |
6437 | { | |
6438 | dwarf_regnames = dwarf_regnames_s390; | |
6439 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_s390); | |
6440 | } | |
6441 | ||
2dc4cec1 L |
6442 | void |
6443 | init_dwarf_regnames (unsigned int e_machine) | |
6444 | { | |
6445 | switch (e_machine) | |
6446 | { | |
6447 | case EM_386: | |
b129eb0e | 6448 | init_dwarf_regnames_i386 (); |
2dc4cec1 L |
6449 | break; |
6450 | ||
3d875af5 L |
6451 | case EM_IAMCU: |
6452 | init_dwarf_regnames_iamcu (); | |
6453 | break; | |
6454 | ||
2dc4cec1 | 6455 | case EM_X86_64: |
7f502d6c | 6456 | case EM_L1OM: |
7a9068fe | 6457 | case EM_K1OM: |
b129eb0e | 6458 | init_dwarf_regnames_x86_64 (); |
2dc4cec1 L |
6459 | break; |
6460 | ||
4ee22035 RH |
6461 | case EM_AARCH64: |
6462 | init_dwarf_regnames_aarch64 (); | |
6463 | break; | |
6464 | ||
d6bb17b0 AA |
6465 | case EM_S390: |
6466 | init_dwarf_regnames_s390 (); | |
6467 | break; | |
6468 | ||
2dc4cec1 L |
6469 | default: |
6470 | break; | |
6471 | } | |
6472 | } | |
6473 | ||
6474 | static const char * | |
6475 | regname (unsigned int regno, int row) | |
6476 | { | |
6477 | static char reg[64]; | |
7f2c8a1d | 6478 | |
2dc4cec1 L |
6479 | if (dwarf_regnames |
6480 | && regno < dwarf_regnames_count | |
6481 | && dwarf_regnames [regno] != NULL) | |
6482 | { | |
6483 | if (row) | |
6484 | return dwarf_regnames [regno]; | |
6485 | snprintf (reg, sizeof (reg), "r%d (%s)", regno, | |
6486 | dwarf_regnames [regno]); | |
6487 | } | |
6488 | else | |
6489 | snprintf (reg, sizeof (reg), "r%d", regno); | |
6490 | return reg; | |
6491 | } | |
6492 | ||
19e6b90e | 6493 | static void |
a1165289 | 6494 | frame_display_row (Frame_Chunk *fc, int *need_col_headers, unsigned int *max_regs) |
19e6b90e | 6495 | { |
a1165289 | 6496 | unsigned int r; |
19e6b90e L |
6497 | char tmp[100]; |
6498 | ||
d8024a91 | 6499 | if (*max_regs != fc->ncols) |
19e6b90e L |
6500 | *max_regs = fc->ncols; |
6501 | ||
6502 | if (*need_col_headers) | |
6503 | { | |
91d6fa6a | 6504 | static const char *sloc = " LOC"; |
2dc4cec1 | 6505 | |
19e6b90e L |
6506 | *need_col_headers = 0; |
6507 | ||
91d6fa6a | 6508 | printf ("%-*s CFA ", eh_addr_size * 2, sloc); |
19e6b90e L |
6509 | |
6510 | for (r = 0; r < *max_regs; r++) | |
6511 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
6512 | { | |
6513 | if (r == fc->ra) | |
50751e18 | 6514 | printf ("ra "); |
19e6b90e | 6515 | else |
2dc4cec1 | 6516 | printf ("%-5s ", regname (r, 1)); |
19e6b90e L |
6517 | } |
6518 | ||
6519 | printf ("\n"); | |
6520 | } | |
6521 | ||
bf5117e3 | 6522 | print_dwarf_vma (fc->pc_begin, eh_addr_size); |
19e6b90e L |
6523 | if (fc->cfa_exp) |
6524 | strcpy (tmp, "exp"); | |
6525 | else | |
c8071705 | 6526 | sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), (int) fc->cfa_offset); |
19e6b90e L |
6527 | printf ("%-8s ", tmp); |
6528 | ||
6529 | for (r = 0; r < fc->ncols; r++) | |
6530 | { | |
6531 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
6532 | { | |
6533 | switch (fc->col_type[r]) | |
6534 | { | |
6535 | case DW_CFA_undefined: | |
6536 | strcpy (tmp, "u"); | |
6537 | break; | |
6538 | case DW_CFA_same_value: | |
6539 | strcpy (tmp, "s"); | |
6540 | break; | |
6541 | case DW_CFA_offset: | |
6542 | sprintf (tmp, "c%+d", fc->col_offset[r]); | |
6543 | break; | |
12eae2d3 JJ |
6544 | case DW_CFA_val_offset: |
6545 | sprintf (tmp, "v%+d", fc->col_offset[r]); | |
6546 | break; | |
19e6b90e | 6547 | case DW_CFA_register: |
2dc4cec1 | 6548 | sprintf (tmp, "%s", regname (fc->col_offset[r], 0)); |
19e6b90e L |
6549 | break; |
6550 | case DW_CFA_expression: | |
6551 | strcpy (tmp, "exp"); | |
6552 | break; | |
12eae2d3 JJ |
6553 | case DW_CFA_val_expression: |
6554 | strcpy (tmp, "vexp"); | |
6555 | break; | |
19e6b90e L |
6556 | default: |
6557 | strcpy (tmp, "n/a"); | |
6558 | break; | |
6559 | } | |
2dc4cec1 | 6560 | printf ("%-5s ", tmp); |
19e6b90e L |
6561 | } |
6562 | } | |
6563 | printf ("\n"); | |
6564 | } | |
6565 | ||
49727e46 | 6566 | #define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end) |
19e6b90e | 6567 | |
49727e46 AM |
6568 | static unsigned char * |
6569 | read_cie (unsigned char *start, unsigned char *end, | |
6570 | Frame_Chunk **p_cie, int *p_version, | |
6571 | unsigned long *p_aug_len, unsigned char **p_aug) | |
6572 | { | |
6573 | int version; | |
6574 | Frame_Chunk *fc; | |
6575 | unsigned int length_return; | |
6576 | unsigned char *augmentation_data = NULL; | |
6577 | unsigned long augmentation_data_len = 0; | |
6578 | ||
041830e0 | 6579 | * p_cie = NULL; |
f41e4712 NC |
6580 | /* PR 17512: file: 001-228113-0.004. */ |
6581 | if (start >= end) | |
6582 | return end; | |
6583 | ||
49727e46 AM |
6584 | fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
6585 | memset (fc, 0, sizeof (Frame_Chunk)); | |
6586 | ||
6587 | fc->col_type = (short int *) xmalloc (sizeof (short int)); | |
6588 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
6589 | ||
6590 | version = *start++; | |
6591 | ||
6592 | fc->augmentation = (char *) start; | |
f41e4712 NC |
6593 | /* PR 17512: file: 001-228113-0.004. |
6594 | Skip past augmentation name, but avoid running off the end of the data. */ | |
6595 | while (start < end) | |
6596 | if (* start ++ == '\0') | |
6597 | break; | |
6598 | if (start == end) | |
6599 | { | |
6600 | warn (_("No terminator for augmentation name\n")); | |
6601 | return start; | |
6602 | } | |
49727e46 AM |
6603 | |
6604 | if (strcmp (fc->augmentation, "eh") == 0) | |
6605 | start += eh_addr_size; | |
6606 | ||
6607 | if (version >= 4) | |
6608 | { | |
6609 | GET (fc->ptr_size, 1); | |
77ef8654 NC |
6610 | if (fc->ptr_size < 1 || fc->ptr_size > 8) |
6611 | { | |
6612 | warn (_("Invalid pointer size (%d) in CIE data\n"), fc->ptr_size); | |
6613 | return end; | |
6614 | } | |
6615 | ||
49727e46 | 6616 | GET (fc->segment_size, 1); |
77ef8654 NC |
6617 | /* PR 17512: file: e99d2804. */ |
6618 | if (fc->segment_size > 8 || fc->segment_size + fc->ptr_size > 8) | |
6619 | { | |
6620 | warn (_("Invalid segment size (%d) in CIE data\n"), fc->segment_size); | |
6621 | return end; | |
6622 | } | |
6623 | ||
49727e46 AM |
6624 | eh_addr_size = fc->ptr_size; |
6625 | } | |
6626 | else | |
6627 | { | |
6628 | fc->ptr_size = eh_addr_size; | |
6629 | fc->segment_size = 0; | |
6630 | } | |
7f2c8a1d NC |
6631 | READ_ULEB (fc->code_factor); |
6632 | READ_SLEB (fc->data_factor); | |
49727e46 AM |
6633 | if (version == 1) |
6634 | { | |
6635 | GET (fc->ra, 1); | |
6636 | } | |
6637 | else | |
6638 | { | |
7f2c8a1d | 6639 | READ_ULEB (fc->ra); |
49727e46 AM |
6640 | } |
6641 | ||
6642 | if (fc->augmentation[0] == 'z') | |
6643 | { | |
7f2c8a1d | 6644 | READ_ULEB (augmentation_data_len); |
49727e46 AM |
6645 | augmentation_data = start; |
6646 | start += augmentation_data_len; | |
a1165289 NC |
6647 | /* PR 17512: file: 11042-2589-0.004. */ |
6648 | if (start > end) | |
6649 | { | |
7f2c8a1d NC |
6650 | warn (_("Augmentation data too long: %#lx, expected at most %#lx\n"), |
6651 | augmentation_data_len, (long)((end - start) + augmentation_data_len)); | |
a1165289 NC |
6652 | return end; |
6653 | } | |
49727e46 AM |
6654 | } |
6655 | ||
6656 | if (augmentation_data_len) | |
6657 | { | |
058037d3 NC |
6658 | unsigned char *p; |
6659 | unsigned char *q; | |
6660 | unsigned char *qend; | |
b4eb7656 | 6661 | |
49727e46 AM |
6662 | p = (unsigned char *) fc->augmentation + 1; |
6663 | q = augmentation_data; | |
058037d3 NC |
6664 | qend = q + augmentation_data_len; |
6665 | ||
6666 | /* PR 17531: file: 015adfaa. */ | |
6667 | if (qend < q) | |
6668 | { | |
6669 | warn (_("Negative augmentation data length: 0x%lx"), augmentation_data_len); | |
6670 | augmentation_data_len = 0; | |
6671 | } | |
49727e46 | 6672 | |
a1165289 | 6673 | while (p < end && q < augmentation_data + augmentation_data_len) |
49727e46 AM |
6674 | { |
6675 | if (*p == 'L') | |
6676 | q++; | |
6677 | else if (*p == 'P') | |
6678 | q += 1 + size_of_encoded_value (*q); | |
6679 | else if (*p == 'R') | |
6680 | fc->fde_encoding = *q++; | |
6681 | else if (*p == 'S') | |
6682 | ; | |
6683 | else | |
6684 | break; | |
6685 | p++; | |
6686 | } | |
c361b9ac NC |
6687 | /* Note - it is OK if this loop terminates with q < qend. |
6688 | Padding may have been inserted to align the end of the CIE. */ | |
49727e46 AM |
6689 | } |
6690 | ||
6691 | *p_cie = fc; | |
6692 | if (p_version) | |
6693 | *p_version = version; | |
6694 | if (p_aug_len) | |
6695 | { | |
6696 | *p_aug_len = augmentation_data_len; | |
6697 | *p_aug = augmentation_data; | |
6698 | } | |
6699 | return start; | |
6700 | } | |
6701 | ||
19e6b90e L |
6702 | static int |
6703 | display_debug_frames (struct dwarf_section *section, | |
6704 | void *file ATTRIBUTE_UNUSED) | |
6705 | { | |
6706 | unsigned char *start = section->start; | |
6707 | unsigned char *end = start + section->size; | |
6708 | unsigned char *section_start = start; | |
49727e46 | 6709 | Frame_Chunk *chunks = 0, *forward_refs = 0; |
19e6b90e L |
6710 | Frame_Chunk *remembered_state = 0; |
6711 | Frame_Chunk *rs; | |
6712 | int is_eh = strcmp (section->name, ".eh_frame") == 0; | |
6713 | unsigned int length_return; | |
a1165289 | 6714 | unsigned int max_regs = 0; |
665ce1f6 | 6715 | const char *bad_reg = _("bad register: "); |
77ef8654 | 6716 | unsigned int saved_eh_addr_size = eh_addr_size; |
19e6b90e | 6717 | |
80c35038 | 6718 | printf (_("Contents of the %s section:\n"), section->name); |
19e6b90e L |
6719 | |
6720 | while (start < end) | |
6721 | { | |
6722 | unsigned char *saved_start; | |
6723 | unsigned char *block_end; | |
bf5117e3 NC |
6724 | dwarf_vma length; |
6725 | dwarf_vma cie_id; | |
19e6b90e L |
6726 | Frame_Chunk *fc; |
6727 | Frame_Chunk *cie; | |
6728 | int need_col_headers = 1; | |
6729 | unsigned char *augmentation_data = NULL; | |
6730 | unsigned long augmentation_data_len = 0; | |
bf5117e3 NC |
6731 | unsigned int encoded_ptr_size = saved_eh_addr_size; |
6732 | unsigned int offset_size; | |
6733 | unsigned int initial_length_size; | |
5b6312fd | 6734 | bfd_boolean all_nops; |
19e6b90e L |
6735 | |
6736 | saved_start = start; | |
19e6b90e | 6737 | |
0c588247 | 6738 | SAFE_BYTE_GET_AND_INC (length, start, 4, end); |
041830e0 | 6739 | |
19e6b90e L |
6740 | if (length == 0) |
6741 | { | |
6742 | printf ("\n%08lx ZERO terminator\n\n", | |
6743 | (unsigned long)(saved_start - section_start)); | |
6937bb54 NC |
6744 | /* Skip any zero terminators that directly follow. |
6745 | A corrupt section size could have loaded a whole | |
6746 | slew of zero filled memory bytes. eg | |
6747 | PR 17512: file: 070-19381-0.004. */ | |
6748 | while (start < end && * start == 0) | |
6749 | ++ start; | |
b758e50f | 6750 | continue; |
19e6b90e L |
6751 | } |
6752 | ||
6753 | if (length == 0xffffffff) | |
6754 | { | |
0c588247 | 6755 | SAFE_BYTE_GET_AND_INC (length, start, 8, end); |
19e6b90e L |
6756 | offset_size = 8; |
6757 | initial_length_size = 12; | |
6758 | } | |
6759 | else | |
6760 | { | |
6761 | offset_size = 4; | |
6762 | initial_length_size = 4; | |
6763 | } | |
6764 | ||
6765 | block_end = saved_start + length + initial_length_size; | |
041830e0 | 6766 | if (block_end > end || block_end < start) |
53b8873b | 6767 | { |
bf5117e3 NC |
6768 | warn ("Invalid length 0x%s in FDE at %#08lx\n", |
6769 | dwarf_vmatoa_1 (NULL, length, offset_size), | |
6770 | (unsigned long) (saved_start - section_start)); | |
53b8873b NC |
6771 | block_end = end; |
6772 | } | |
0c588247 NC |
6773 | |
6774 | SAFE_BYTE_GET_AND_INC (cie_id, start, offset_size, end); | |
19e6b90e | 6775 | |
846a11e4 NC |
6776 | if (is_eh ? (cie_id == 0) : ((offset_size == 4 && cie_id == DW_CIE_ID) |
6777 | || (offset_size == 8 && cie_id == DW64_CIE_ID))) | |
19e6b90e L |
6778 | { |
6779 | int version; | |
a1165289 | 6780 | unsigned int mreg; |
19e6b90e | 6781 | |
49727e46 AM |
6782 | start = read_cie (start, end, &cie, &version, |
6783 | &augmentation_data_len, &augmentation_data); | |
041830e0 NC |
6784 | /* PR 17512: file: 027-135133-0.005. */ |
6785 | if (cie == NULL) | |
6786 | break; | |
a1165289 | 6787 | |
49727e46 | 6788 | fc = cie; |
19e6b90e L |
6789 | fc->next = chunks; |
6790 | chunks = fc; | |
6791 | fc->chunk_start = saved_start; | |
a1165289 | 6792 | mreg = max_regs > 0 ? max_regs - 1 : 0; |
49727e46 AM |
6793 | if (mreg < fc->ra) |
6794 | mreg = fc->ra; | |
06614111 NC |
6795 | if (frame_need_space (fc, mreg) < 0) |
6796 | break; | |
49727e46 AM |
6797 | if (fc->fde_encoding) |
6798 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
19e6b90e | 6799 | |
bf5117e3 NC |
6800 | printf ("\n%08lx ", (unsigned long) (saved_start - section_start)); |
6801 | print_dwarf_vma (length, fc->ptr_size); | |
9c41109d | 6802 | print_dwarf_vma (cie_id, offset_size); |
bf5117e3 | 6803 | |
19e6b90e | 6804 | if (do_debug_frames_interp) |
bf5117e3 NC |
6805 | { |
6806 | printf ("CIE \"%s\" cf=%d df=%d ra=%d\n", fc->augmentation, | |
6807 | fc->code_factor, fc->data_factor, fc->ra); | |
6808 | } | |
19e6b90e L |
6809 | else |
6810 | { | |
bf5117e3 | 6811 | printf ("CIE\n"); |
19e6b90e L |
6812 | printf (" Version: %d\n", version); |
6813 | printf (" Augmentation: \"%s\"\n", fc->augmentation); | |
604282a7 JJ |
6814 | if (version >= 4) |
6815 | { | |
6816 | printf (" Pointer Size: %u\n", fc->ptr_size); | |
6817 | printf (" Segment Size: %u\n", fc->segment_size); | |
6818 | } | |
19e6b90e L |
6819 | printf (" Code alignment factor: %u\n", fc->code_factor); |
6820 | printf (" Data alignment factor: %d\n", fc->data_factor); | |
6821 | printf (" Return address column: %d\n", fc->ra); | |
6822 | ||
6823 | if (augmentation_data_len) | |
6824 | { | |
6825 | unsigned long i; | |
a1165289 | 6826 | |
19e6b90e L |
6827 | printf (" Augmentation data: "); |
6828 | for (i = 0; i < augmentation_data_len; ++i) | |
a1165289 NC |
6829 | /* FIXME: If do_wide is FALSE, then we should |
6830 | add carriage returns at 80 columns... */ | |
19e6b90e L |
6831 | printf (" %02x", augmentation_data[i]); |
6832 | putchar ('\n'); | |
6833 | } | |
6834 | putchar ('\n'); | |
6835 | } | |
19e6b90e L |
6836 | } |
6837 | else | |
6838 | { | |
6839 | unsigned char *look_for; | |
6840 | static Frame_Chunk fde_fc; | |
604282a7 | 6841 | unsigned long segment_selector; |
19e6b90e | 6842 | |
49727e46 AM |
6843 | if (is_eh) |
6844 | { | |
6845 | dwarf_vma sign = (dwarf_vma) 1 << (offset_size * 8 - 1); | |
6846 | look_for = start - 4 - ((cie_id ^ sign) - sign); | |
6847 | } | |
6848 | else | |
6849 | look_for = section_start + cie_id; | |
19e6b90e | 6850 | |
49727e46 AM |
6851 | if (look_for <= saved_start) |
6852 | { | |
6853 | for (cie = chunks; cie ; cie = cie->next) | |
6854 | if (cie->chunk_start == look_for) | |
6855 | break; | |
6856 | } | |
6857 | else | |
6858 | { | |
6859 | for (cie = forward_refs; cie ; cie = cie->next) | |
6860 | if (cie->chunk_start == look_for) | |
6861 | break; | |
6862 | if (!cie) | |
6863 | { | |
6864 | unsigned int off_size; | |
6865 | unsigned char *cie_scan; | |
19e6b90e | 6866 | |
49727e46 AM |
6867 | cie_scan = look_for; |
6868 | off_size = 4; | |
6869 | SAFE_BYTE_GET_AND_INC (length, cie_scan, 4, end); | |
6870 | if (length == 0xffffffff) | |
6871 | { | |
6872 | SAFE_BYTE_GET_AND_INC (length, cie_scan, 8, end); | |
6873 | off_size = 8; | |
6874 | } | |
6875 | if (length != 0) | |
6876 | { | |
6877 | dwarf_vma c_id; | |
6878 | ||
6879 | SAFE_BYTE_GET_AND_INC (c_id, cie_scan, off_size, end); | |
6880 | if (is_eh | |
6881 | ? c_id == 0 | |
6882 | : ((off_size == 4 && c_id == DW_CIE_ID) | |
6883 | || (off_size == 8 && c_id == DW64_CIE_ID))) | |
6884 | { | |
6885 | int version; | |
a1165289 | 6886 | unsigned int mreg; |
49727e46 AM |
6887 | |
6888 | read_cie (cie_scan, end, &cie, &version, | |
6889 | &augmentation_data_len, &augmentation_data); | |
a1165289 NC |
6890 | /* PR 17512: file: 3450-2098-0.004. */ |
6891 | if (cie == NULL) | |
6892 | { | |
6893 | warn (_("Failed to read CIE information\n")); | |
6894 | break; | |
6895 | } | |
49727e46 AM |
6896 | cie->next = forward_refs; |
6897 | forward_refs = cie; | |
6898 | cie->chunk_start = look_for; | |
a1165289 | 6899 | mreg = max_regs > 0 ? max_regs - 1 : 0; |
49727e46 AM |
6900 | if (mreg < cie->ra) |
6901 | mreg = cie->ra; | |
06614111 NC |
6902 | if (frame_need_space (cie, mreg) < 0) |
6903 | { | |
6904 | warn (_("Invalid max register\n")); | |
6905 | break; | |
6906 | } | |
49727e46 AM |
6907 | if (cie->fde_encoding) |
6908 | encoded_ptr_size | |
6909 | = size_of_encoded_value (cie->fde_encoding); | |
6910 | } | |
6911 | } | |
6912 | } | |
6913 | } | |
6914 | ||
6915 | fc = &fde_fc; | |
6916 | memset (fc, 0, sizeof (Frame_Chunk)); | |
19e6b90e L |
6917 | |
6918 | if (!cie) | |
6919 | { | |
bf5117e3 NC |
6920 | warn ("Invalid CIE pointer 0x%s in FDE at %#08lx\n", |
6921 | dwarf_vmatoa_1 (NULL, cie_id, offset_size), | |
6922 | (unsigned long) (saved_start - section_start)); | |
19e6b90e | 6923 | fc->ncols = 0; |
3f5e193b NC |
6924 | fc->col_type = (short int *) xmalloc (sizeof (short int)); |
6925 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
06614111 NC |
6926 | if (frame_need_space (fc, max_regs > 0 ? max_regs - 1 : 0) < 0) |
6927 | { | |
6928 | warn (_("Invalid max register\n")); | |
6929 | break; | |
6930 | } | |
19e6b90e L |
6931 | cie = fc; |
6932 | fc->augmentation = ""; | |
6933 | fc->fde_encoding = 0; | |
604282a7 JJ |
6934 | fc->ptr_size = eh_addr_size; |
6935 | fc->segment_size = 0; | |
19e6b90e L |
6936 | } |
6937 | else | |
6938 | { | |
6939 | fc->ncols = cie->ncols; | |
3f5e193b NC |
6940 | fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int)); |
6941 | fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int)); | |
19e6b90e L |
6942 | memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int)); |
6943 | memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int)); | |
6944 | fc->augmentation = cie->augmentation; | |
604282a7 JJ |
6945 | fc->ptr_size = cie->ptr_size; |
6946 | eh_addr_size = cie->ptr_size; | |
6947 | fc->segment_size = cie->segment_size; | |
19e6b90e L |
6948 | fc->code_factor = cie->code_factor; |
6949 | fc->data_factor = cie->data_factor; | |
6950 | fc->cfa_reg = cie->cfa_reg; | |
6951 | fc->cfa_offset = cie->cfa_offset; | |
6952 | fc->ra = cie->ra; | |
06614111 NC |
6953 | if (frame_need_space (fc, max_regs > 0 ? max_regs - 1: 0) < 0) |
6954 | { | |
6955 | warn (_("Invalid max register\n")); | |
6956 | break; | |
6957 | } | |
19e6b90e L |
6958 | fc->fde_encoding = cie->fde_encoding; |
6959 | } | |
6960 | ||
6961 | if (fc->fde_encoding) | |
6962 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
6963 | ||
604282a7 JJ |
6964 | segment_selector = 0; |
6965 | if (fc->segment_size) | |
c8071705 NC |
6966 | { |
6967 | if (fc->segment_size > sizeof (segment_selector)) | |
6968 | { | |
6969 | /* PR 17512: file: 9e196b3e. */ | |
6970 | warn (_("Probably corrupt segment size: %d - using 4 instead\n"), fc->segment_size); | |
6971 | fc->segment_size = 4; | |
6972 | } | |
6973 | SAFE_BYTE_GET_AND_INC (segment_selector, start, fc->segment_size, end); | |
6974 | } | |
041830e0 NC |
6975 | |
6976 | fc->pc_begin = get_encoded_value (&start, fc->fde_encoding, section, end); | |
19e6b90e | 6977 | |
0c588247 NC |
6978 | /* FIXME: It appears that sometimes the final pc_range value is |
6979 | encoded in less than encoded_ptr_size bytes. See the x86_64 | |
6980 | run of the "objcopy on compressed debug sections" test for an | |
6981 | example of this. */ | |
6982 | SAFE_BYTE_GET_AND_INC (fc->pc_range, start, encoded_ptr_size, end); | |
bf5117e3 | 6983 | |
19e6b90e L |
6984 | if (cie->augmentation[0] == 'z') |
6985 | { | |
7f2c8a1d | 6986 | READ_ULEB (augmentation_data_len); |
19e6b90e L |
6987 | augmentation_data = start; |
6988 | start += augmentation_data_len; | |
0a9d414a | 6989 | /* PR 17512: file: 722-8446-0.004. */ |
53774b7e | 6990 | if (start >= end || ((signed long) augmentation_data_len) < 0) |
0a9d414a NC |
6991 | { |
6992 | warn (_("Corrupt augmentation data length: %lx\n"), | |
6993 | augmentation_data_len); | |
6994 | start = end; | |
6995 | augmentation_data = NULL; | |
6996 | augmentation_data_len = 0; | |
6997 | } | |
19e6b90e L |
6998 | } |
6999 | ||
bf5117e3 NC |
7000 | printf ("\n%08lx %s %s FDE cie=%08lx pc=", |
7001 | (unsigned long)(saved_start - section_start), | |
7002 | dwarf_vmatoa_1 (NULL, length, fc->ptr_size), | |
9c41109d | 7003 | dwarf_vmatoa_1 (NULL, cie_id, offset_size), |
604282a7 | 7004 | (unsigned long)(cie->chunk_start - section_start)); |
bf5117e3 | 7005 | |
604282a7 JJ |
7006 | if (fc->segment_size) |
7007 | printf ("%04lx:", segment_selector); | |
bf5117e3 NC |
7008 | |
7009 | printf ("%s..%s\n", | |
7010 | dwarf_vmatoa_1 (NULL, fc->pc_begin, fc->ptr_size), | |
7011 | dwarf_vmatoa_1 (NULL, fc->pc_begin + fc->pc_range, fc->ptr_size)); | |
7012 | ||
19e6b90e L |
7013 | if (! do_debug_frames_interp && augmentation_data_len) |
7014 | { | |
7015 | unsigned long i; | |
7016 | ||
7017 | printf (" Augmentation data: "); | |
7018 | for (i = 0; i < augmentation_data_len; ++i) | |
7019 | printf (" %02x", augmentation_data[i]); | |
7020 | putchar ('\n'); | |
7021 | putchar ('\n'); | |
7022 | } | |
7023 | } | |
7024 | ||
7025 | /* At this point, fc is the current chunk, cie (if any) is set, and | |
7026 | we're about to interpret instructions for the chunk. */ | |
7027 | /* ??? At present we need to do this always, since this sizes the | |
7028 | fc->col_type and fc->col_offset arrays, which we write into always. | |
7029 | We should probably split the interpreted and non-interpreted bits | |
7030 | into two different routines, since there's so much that doesn't | |
7031 | really overlap between them. */ | |
7032 | if (1 || do_debug_frames_interp) | |
7033 | { | |
7034 | /* Start by making a pass over the chunk, allocating storage | |
7035 | and taking note of what registers are used. */ | |
7036 | unsigned char *tmp = start; | |
7037 | ||
7038 | while (start < block_end) | |
7039 | { | |
041830e0 NC |
7040 | unsigned int reg, op, opa; |
7041 | unsigned long temp; | |
5929c344 | 7042 | unsigned char * new_start; |
19e6b90e L |
7043 | |
7044 | op = *start++; | |
7045 | opa = op & 0x3f; | |
7046 | if (op & 0xc0) | |
7047 | op &= 0xc0; | |
7048 | ||
7049 | /* Warning: if you add any more cases to this switch, be | |
7050 | sure to add them to the corresponding switch below. */ | |
7051 | switch (op) | |
7052 | { | |
7053 | case DW_CFA_advance_loc: | |
7054 | break; | |
7055 | case DW_CFA_offset: | |
7f2c8a1d | 7056 | SKIP_ULEB (); |
665ce1f6 L |
7057 | if (frame_need_space (fc, opa) >= 0) |
7058 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
7059 | break; |
7060 | case DW_CFA_restore: | |
665ce1f6 L |
7061 | if (frame_need_space (fc, opa) >= 0) |
7062 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
7063 | break; |
7064 | case DW_CFA_set_loc: | |
7065 | start += encoded_ptr_size; | |
7066 | break; | |
7067 | case DW_CFA_advance_loc1: | |
7068 | start += 1; | |
7069 | break; | |
7070 | case DW_CFA_advance_loc2: | |
7071 | start += 2; | |
7072 | break; | |
7073 | case DW_CFA_advance_loc4: | |
7074 | start += 4; | |
7075 | break; | |
7076 | case DW_CFA_offset_extended: | |
12eae2d3 | 7077 | case DW_CFA_val_offset: |
7f2c8a1d NC |
7078 | READ_ULEB (reg); |
7079 | SKIP_ULEB (); | |
665ce1f6 L |
7080 | if (frame_need_space (fc, reg) >= 0) |
7081 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7082 | break; |
7083 | case DW_CFA_restore_extended: | |
7f2c8a1d | 7084 | READ_ULEB (reg); |
665ce1f6 L |
7085 | if (frame_need_space (fc, reg) >= 0) |
7086 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7087 | break; |
7088 | case DW_CFA_undefined: | |
7f2c8a1d | 7089 | READ_ULEB (reg); |
665ce1f6 L |
7090 | if (frame_need_space (fc, reg) >= 0) |
7091 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7092 | break; |
7093 | case DW_CFA_same_value: | |
7f2c8a1d | 7094 | READ_ULEB (reg); |
665ce1f6 L |
7095 | if (frame_need_space (fc, reg) >= 0) |
7096 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7097 | break; |
7098 | case DW_CFA_register: | |
7f2c8a1d NC |
7099 | READ_ULEB (reg); |
7100 | SKIP_ULEB (); | |
665ce1f6 L |
7101 | if (frame_need_space (fc, reg) >= 0) |
7102 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7103 | break; |
7104 | case DW_CFA_def_cfa: | |
7f2c8a1d NC |
7105 | SKIP_ULEB (); |
7106 | SKIP_ULEB (); | |
19e6b90e L |
7107 | break; |
7108 | case DW_CFA_def_cfa_register: | |
7f2c8a1d | 7109 | SKIP_ULEB (); |
19e6b90e L |
7110 | break; |
7111 | case DW_CFA_def_cfa_offset: | |
7f2c8a1d | 7112 | SKIP_ULEB (); |
19e6b90e L |
7113 | break; |
7114 | case DW_CFA_def_cfa_expression: | |
7f2c8a1d | 7115 | READ_ULEB (temp); |
5929c344 NC |
7116 | new_start = start + temp; |
7117 | if (new_start < start) | |
041830e0 NC |
7118 | { |
7119 | warn (_("Corrupt CFA_def expression value: %lu\n"), temp); | |
7120 | start = block_end; | |
7121 | } | |
7122 | else | |
5929c344 | 7123 | start = new_start; |
19e6b90e L |
7124 | break; |
7125 | case DW_CFA_expression: | |
12eae2d3 | 7126 | case DW_CFA_val_expression: |
7f2c8a1d NC |
7127 | READ_ULEB (reg); |
7128 | READ_ULEB (temp); | |
5929c344 NC |
7129 | new_start = start + temp; |
7130 | if (new_start < start) | |
041830e0 | 7131 | { |
b4eb7656 | 7132 | /* PR 17512: file:306-192417-0.005. */ |
041830e0 NC |
7133 | warn (_("Corrupt CFA expression value: %lu\n"), temp); |
7134 | start = block_end; | |
7135 | } | |
7136 | else | |
5929c344 | 7137 | start = new_start; |
665ce1f6 L |
7138 | if (frame_need_space (fc, reg) >= 0) |
7139 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7140 | break; |
7141 | case DW_CFA_offset_extended_sf: | |
12eae2d3 | 7142 | case DW_CFA_val_offset_sf: |
7f2c8a1d NC |
7143 | READ_ULEB (reg); |
7144 | SKIP_SLEB (); | |
665ce1f6 L |
7145 | if (frame_need_space (fc, reg) >= 0) |
7146 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7147 | break; |
7148 | case DW_CFA_def_cfa_sf: | |
7f2c8a1d NC |
7149 | SKIP_ULEB (); |
7150 | SKIP_SLEB (); | |
19e6b90e L |
7151 | break; |
7152 | case DW_CFA_def_cfa_offset_sf: | |
7f2c8a1d | 7153 | SKIP_SLEB (); |
19e6b90e L |
7154 | break; |
7155 | case DW_CFA_MIPS_advance_loc8: | |
7156 | start += 8; | |
7157 | break; | |
7158 | case DW_CFA_GNU_args_size: | |
7f2c8a1d | 7159 | SKIP_ULEB (); |
19e6b90e L |
7160 | break; |
7161 | case DW_CFA_GNU_negative_offset_extended: | |
7f2c8a1d NC |
7162 | READ_ULEB (reg); |
7163 | SKIP_ULEB (); | |
665ce1f6 L |
7164 | if (frame_need_space (fc, reg) >= 0) |
7165 | fc->col_type[reg] = DW_CFA_undefined; | |
7166 | break; | |
19e6b90e L |
7167 | default: |
7168 | break; | |
7169 | } | |
7170 | } | |
7171 | start = tmp; | |
7172 | } | |
7173 | ||
5b6312fd NC |
7174 | all_nops = TRUE; |
7175 | ||
19e6b90e L |
7176 | /* Now we know what registers are used, make a second pass over |
7177 | the chunk, this time actually printing out the info. */ | |
7178 | ||
7179 | while (start < block_end) | |
7180 | { | |
362beea4 | 7181 | unsigned char * tmp; |
19e6b90e | 7182 | unsigned op, opa; |
7f2c8a1d NC |
7183 | unsigned long ul, roffs; |
7184 | /* Note: It is tempting to use an unsigned long for 'reg' but there | |
7185 | are various functions, notably frame_space_needed() that assume that | |
7186 | reg is an unsigned int. */ | |
7187 | unsigned int reg; | |
7188 | dwarf_signed_vma l; | |
bf5117e3 | 7189 | dwarf_vma ofs; |
19e6b90e | 7190 | dwarf_vma vma; |
665ce1f6 | 7191 | const char *reg_prefix = ""; |
19e6b90e L |
7192 | |
7193 | op = *start++; | |
7194 | opa = op & 0x3f; | |
7195 | if (op & 0xc0) | |
7196 | op &= 0xc0; | |
7197 | ||
5b6312fd NC |
7198 | /* Make a note if something other than DW_CFA_nop happens. */ |
7199 | if (op != DW_CFA_nop) | |
7200 | all_nops = FALSE; | |
7201 | ||
19e6b90e L |
7202 | /* Warning: if you add any more cases to this switch, be |
7203 | sure to add them to the corresponding switch above. */ | |
7204 | switch (op) | |
7205 | { | |
7206 | case DW_CFA_advance_loc: | |
7207 | if (do_debug_frames_interp) | |
7208 | frame_display_row (fc, &need_col_headers, &max_regs); | |
7209 | else | |
bf5117e3 | 7210 | printf (" DW_CFA_advance_loc: %d to %s\n", |
19e6b90e | 7211 | opa * fc->code_factor, |
b4eb7656 | 7212 | dwarf_vmatoa_1 (NULL, |
bf5117e3 NC |
7213 | fc->pc_begin + opa * fc->code_factor, |
7214 | fc->ptr_size)); | |
19e6b90e L |
7215 | fc->pc_begin += opa * fc->code_factor; |
7216 | break; | |
7217 | ||
7218 | case DW_CFA_offset: | |
7f2c8a1d | 7219 | READ_ULEB (roffs); |
665ce1f6 L |
7220 | if (opa >= (unsigned int) fc->ncols) |
7221 | reg_prefix = bad_reg; | |
7222 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
7223 | printf (" DW_CFA_offset: %s%s at cfa%+ld\n", | |
7224 | reg_prefix, regname (opa, 0), | |
7225 | roffs * fc->data_factor); | |
7226 | if (*reg_prefix == '\0') | |
7227 | { | |
7228 | fc->col_type[opa] = DW_CFA_offset; | |
7229 | fc->col_offset[opa] = roffs * fc->data_factor; | |
7230 | } | |
19e6b90e L |
7231 | break; |
7232 | ||
7233 | case DW_CFA_restore: | |
50751e18 | 7234 | if (opa >= (unsigned int) fc->ncols) |
665ce1f6 L |
7235 | reg_prefix = bad_reg; |
7236 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
7237 | printf (" DW_CFA_restore: %s%s\n", | |
7238 | reg_prefix, regname (opa, 0)); | |
50751e18 AK |
7239 | if (*reg_prefix != '\0') |
7240 | break; | |
7241 | ||
7242 | if (opa >= (unsigned int) cie->ncols | |
7243 | || (do_debug_frames_interp | |
7244 | && cie->col_type[opa] == DW_CFA_unreferenced)) | |
7245 | { | |
7246 | fc->col_type[opa] = DW_CFA_undefined; | |
7247 | fc->col_offset[opa] = 0; | |
7248 | } | |
7249 | else | |
665ce1f6 L |
7250 | { |
7251 | fc->col_type[opa] = cie->col_type[opa]; | |
7252 | fc->col_offset[opa] = cie->col_offset[opa]; | |
7253 | } | |
19e6b90e L |
7254 | break; |
7255 | ||
7256 | case DW_CFA_set_loc: | |
6937bb54 | 7257 | vma = get_encoded_value (&start, fc->fde_encoding, section, block_end); |
19e6b90e L |
7258 | if (do_debug_frames_interp) |
7259 | frame_display_row (fc, &need_col_headers, &max_regs); | |
7260 | else | |
bf5117e3 NC |
7261 | printf (" DW_CFA_set_loc: %s\n", |
7262 | dwarf_vmatoa_1 (NULL, vma, fc->ptr_size)); | |
19e6b90e L |
7263 | fc->pc_begin = vma; |
7264 | break; | |
7265 | ||
7266 | case DW_CFA_advance_loc1: | |
0c588247 | 7267 | SAFE_BYTE_GET_AND_INC (ofs, start, 1, end); |
19e6b90e L |
7268 | if (do_debug_frames_interp) |
7269 | frame_display_row (fc, &need_col_headers, &max_regs); | |
7270 | else | |
bf5117e3 NC |
7271 | printf (" DW_CFA_advance_loc1: %ld to %s\n", |
7272 | (unsigned long) (ofs * fc->code_factor), | |
7273 | dwarf_vmatoa_1 (NULL, | |
7274 | fc->pc_begin + ofs * fc->code_factor, | |
7275 | fc->ptr_size)); | |
19e6b90e L |
7276 | fc->pc_begin += ofs * fc->code_factor; |
7277 | break; | |
7278 | ||
7279 | case DW_CFA_advance_loc2: | |
6937bb54 | 7280 | SAFE_BYTE_GET_AND_INC (ofs, start, 2, block_end); |
19e6b90e L |
7281 | if (do_debug_frames_interp) |
7282 | frame_display_row (fc, &need_col_headers, &max_regs); | |
7283 | else | |
bf5117e3 NC |
7284 | printf (" DW_CFA_advance_loc2: %ld to %s\n", |
7285 | (unsigned long) (ofs * fc->code_factor), | |
7286 | dwarf_vmatoa_1 (NULL, | |
7287 | fc->pc_begin + ofs * fc->code_factor, | |
7288 | fc->ptr_size)); | |
19e6b90e L |
7289 | fc->pc_begin += ofs * fc->code_factor; |
7290 | break; | |
7291 | ||
7292 | case DW_CFA_advance_loc4: | |
6937bb54 | 7293 | SAFE_BYTE_GET_AND_INC (ofs, start, 4, block_end); |
19e6b90e L |
7294 | if (do_debug_frames_interp) |
7295 | frame_display_row (fc, &need_col_headers, &max_regs); | |
7296 | else | |
bf5117e3 NC |
7297 | printf (" DW_CFA_advance_loc4: %ld to %s\n", |
7298 | (unsigned long) (ofs * fc->code_factor), | |
7299 | dwarf_vmatoa_1 (NULL, | |
7300 | fc->pc_begin + ofs * fc->code_factor, | |
7301 | fc->ptr_size)); | |
19e6b90e L |
7302 | fc->pc_begin += ofs * fc->code_factor; |
7303 | break; | |
7304 | ||
7305 | case DW_CFA_offset_extended: | |
7f2c8a1d NC |
7306 | READ_ULEB (reg); |
7307 | READ_ULEB (roffs); | |
665ce1f6 L |
7308 | if (reg >= (unsigned int) fc->ncols) |
7309 | reg_prefix = bad_reg; | |
7310 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
7311 | printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n", | |
7312 | reg_prefix, regname (reg, 0), | |
7313 | roffs * fc->data_factor); | |
7314 | if (*reg_prefix == '\0') | |
7315 | { | |
7316 | fc->col_type[reg] = DW_CFA_offset; | |
7317 | fc->col_offset[reg] = roffs * fc->data_factor; | |
7318 | } | |
19e6b90e L |
7319 | break; |
7320 | ||
12eae2d3 | 7321 | case DW_CFA_val_offset: |
7f2c8a1d NC |
7322 | READ_ULEB (reg); |
7323 | READ_ULEB (roffs); | |
665ce1f6 L |
7324 | if (reg >= (unsigned int) fc->ncols) |
7325 | reg_prefix = bad_reg; | |
7326 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
084303b8 | 7327 | printf (" DW_CFA_val_offset: %s%s is cfa%+ld\n", |
665ce1f6 L |
7328 | reg_prefix, regname (reg, 0), |
7329 | roffs * fc->data_factor); | |
7330 | if (*reg_prefix == '\0') | |
7331 | { | |
7332 | fc->col_type[reg] = DW_CFA_val_offset; | |
7333 | fc->col_offset[reg] = roffs * fc->data_factor; | |
7334 | } | |
12eae2d3 JJ |
7335 | break; |
7336 | ||
19e6b90e | 7337 | case DW_CFA_restore_extended: |
7f2c8a1d | 7338 | READ_ULEB (reg); |
50751e18 | 7339 | if (reg >= (unsigned int) fc->ncols) |
665ce1f6 L |
7340 | reg_prefix = bad_reg; |
7341 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
7342 | printf (" DW_CFA_restore_extended: %s%s\n", | |
7343 | reg_prefix, regname (reg, 0)); | |
50751e18 AK |
7344 | if (*reg_prefix != '\0') |
7345 | break; | |
7346 | ||
7347 | if (reg >= (unsigned int) cie->ncols) | |
7348 | { | |
7349 | fc->col_type[reg] = DW_CFA_undefined; | |
7350 | fc->col_offset[reg] = 0; | |
7351 | } | |
7352 | else | |
665ce1f6 L |
7353 | { |
7354 | fc->col_type[reg] = cie->col_type[reg]; | |
7355 | fc->col_offset[reg] = cie->col_offset[reg]; | |
7356 | } | |
19e6b90e L |
7357 | break; |
7358 | ||
7359 | case DW_CFA_undefined: | |
7f2c8a1d | 7360 | READ_ULEB (reg); |
665ce1f6 L |
7361 | if (reg >= (unsigned int) fc->ncols) |
7362 | reg_prefix = bad_reg; | |
7363 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
7364 | printf (" DW_CFA_undefined: %s%s\n", | |
7365 | reg_prefix, regname (reg, 0)); | |
7366 | if (*reg_prefix == '\0') | |
7367 | { | |
7368 | fc->col_type[reg] = DW_CFA_undefined; | |
7369 | fc->col_offset[reg] = 0; | |
7370 | } | |
19e6b90e L |
7371 | break; |
7372 | ||
7373 | case DW_CFA_same_value: | |
7f2c8a1d | 7374 | READ_ULEB (reg); |
665ce1f6 L |
7375 | if (reg >= (unsigned int) fc->ncols) |
7376 | reg_prefix = bad_reg; | |
7377 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
7378 | printf (" DW_CFA_same_value: %s%s\n", | |
7379 | reg_prefix, regname (reg, 0)); | |
7380 | if (*reg_prefix == '\0') | |
7381 | { | |
7382 | fc->col_type[reg] = DW_CFA_same_value; | |
7383 | fc->col_offset[reg] = 0; | |
7384 | } | |
19e6b90e L |
7385 | break; |
7386 | ||
7387 | case DW_CFA_register: | |
7f2c8a1d NC |
7388 | READ_ULEB (reg); |
7389 | READ_ULEB (roffs); | |
665ce1f6 L |
7390 | if (reg >= (unsigned int) fc->ncols) |
7391 | reg_prefix = bad_reg; | |
7392 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
2dc4cec1 | 7393 | { |
665ce1f6 L |
7394 | printf (" DW_CFA_register: %s%s in ", |
7395 | reg_prefix, regname (reg, 0)); | |
2dc4cec1 L |
7396 | puts (regname (roffs, 0)); |
7397 | } | |
665ce1f6 L |
7398 | if (*reg_prefix == '\0') |
7399 | { | |
7400 | fc->col_type[reg] = DW_CFA_register; | |
7401 | fc->col_offset[reg] = roffs; | |
7402 | } | |
19e6b90e L |
7403 | break; |
7404 | ||
7405 | case DW_CFA_remember_state: | |
7406 | if (! do_debug_frames_interp) | |
7407 | printf (" DW_CFA_remember_state\n"); | |
3f5e193b | 7408 | rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
b4eb7656 | 7409 | rs->cfa_offset = fc->cfa_offset; |
d71ad7fc RC |
7410 | rs->cfa_reg = fc->cfa_reg; |
7411 | rs->ra = fc->ra; | |
7412 | rs->cfa_exp = fc->cfa_exp; | |
19e6b90e | 7413 | rs->ncols = fc->ncols; |
3f5e193b | 7414 | rs->col_type = (short int *) xcmalloc (rs->ncols, |
b4eb7656 | 7415 | sizeof (* rs->col_type)); |
d71ad7fc RC |
7416 | rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (* rs->col_offset)); |
7417 | memcpy (rs->col_type, fc->col_type, rs->ncols * sizeof (* fc->col_type)); | |
7418 | memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (* fc->col_offset)); | |
19e6b90e L |
7419 | rs->next = remembered_state; |
7420 | remembered_state = rs; | |
7421 | break; | |
7422 | ||
7423 | case DW_CFA_restore_state: | |
7424 | if (! do_debug_frames_interp) | |
7425 | printf (" DW_CFA_restore_state\n"); | |
7426 | rs = remembered_state; | |
7427 | if (rs) | |
7428 | { | |
7429 | remembered_state = rs->next; | |
d71ad7fc RC |
7430 | fc->cfa_offset = rs->cfa_offset; |
7431 | fc->cfa_reg = rs->cfa_reg; | |
b4eb7656 AM |
7432 | fc->ra = rs->ra; |
7433 | fc->cfa_exp = rs->cfa_exp; | |
06614111 NC |
7434 | if (frame_need_space (fc, rs->ncols - 1) < 0) |
7435 | { | |
1306a742 | 7436 | warn (_("Invalid column number in saved frame state\n")); |
06614111 NC |
7437 | fc->ncols = 0; |
7438 | break; | |
7439 | } | |
d71ad7fc | 7440 | memcpy (fc->col_type, rs->col_type, rs->ncols * sizeof (* rs->col_type)); |
19e6b90e | 7441 | memcpy (fc->col_offset, rs->col_offset, |
d71ad7fc | 7442 | rs->ncols * sizeof (* rs->col_offset)); |
19e6b90e L |
7443 | free (rs->col_type); |
7444 | free (rs->col_offset); | |
7445 | free (rs); | |
7446 | } | |
7447 | else if (do_debug_frames_interp) | |
7448 | printf ("Mismatched DW_CFA_restore_state\n"); | |
7449 | break; | |
7450 | ||
7451 | case DW_CFA_def_cfa: | |
7f2c8a1d NC |
7452 | READ_SLEB (fc->cfa_reg); |
7453 | READ_ULEB (fc->cfa_offset); | |
19e6b90e L |
7454 | fc->cfa_exp = 0; |
7455 | if (! do_debug_frames_interp) | |
2dc4cec1 | 7456 | printf (" DW_CFA_def_cfa: %s ofs %d\n", |
c8071705 | 7457 | regname (fc->cfa_reg, 0), (int) fc->cfa_offset); |
19e6b90e L |
7458 | break; |
7459 | ||
7460 | case DW_CFA_def_cfa_register: | |
7f2c8a1d | 7461 | READ_SLEB (fc->cfa_reg); |
19e6b90e L |
7462 | fc->cfa_exp = 0; |
7463 | if (! do_debug_frames_interp) | |
2dc4cec1 L |
7464 | printf (" DW_CFA_def_cfa_register: %s\n", |
7465 | regname (fc->cfa_reg, 0)); | |
19e6b90e L |
7466 | break; |
7467 | ||
7468 | case DW_CFA_def_cfa_offset: | |
7f2c8a1d | 7469 | READ_ULEB (fc->cfa_offset); |
19e6b90e | 7470 | if (! do_debug_frames_interp) |
c8071705 | 7471 | printf (" DW_CFA_def_cfa_offset: %d\n", (int) fc->cfa_offset); |
19e6b90e L |
7472 | break; |
7473 | ||
7474 | case DW_CFA_nop: | |
7475 | if (! do_debug_frames_interp) | |
7476 | printf (" DW_CFA_nop\n"); | |
7477 | break; | |
7478 | ||
7479 | case DW_CFA_def_cfa_expression: | |
7f2c8a1d | 7480 | READ_ULEB (ul); |
7460c0ab | 7481 | if (start >= block_end || ul > (unsigned long) (block_end - start)) |
6937bb54 | 7482 | { |
a1165289 | 7483 | printf (_(" DW_CFA_def_cfa_expression: <corrupt len %lu>\n"), ul); |
6937bb54 NC |
7484 | break; |
7485 | } | |
19e6b90e L |
7486 | if (! do_debug_frames_interp) |
7487 | { | |
7488 | printf (" DW_CFA_def_cfa_expression ("); | |
b7807392 JJ |
7489 | decode_location_expression (start, eh_addr_size, 0, -1, |
7490 | ul, 0, section); | |
19e6b90e L |
7491 | printf (")\n"); |
7492 | } | |
7493 | fc->cfa_exp = 1; | |
7494 | start += ul; | |
7495 | break; | |
7496 | ||
7497 | case DW_CFA_expression: | |
7f2c8a1d NC |
7498 | READ_ULEB (reg); |
7499 | READ_ULEB (ul); | |
665ce1f6 L |
7500 | if (reg >= (unsigned int) fc->ncols) |
7501 | reg_prefix = bad_reg; | |
6937bb54 | 7502 | /* PR 17512: file: 069-133014-0.006. */ |
06614111 | 7503 | /* PR 17512: file: 98c02eb4. */ |
362beea4 NC |
7504 | tmp = start + ul; |
7505 | if (start >= block_end || tmp > block_end || tmp < start) | |
6937bb54 | 7506 | { |
a1165289 | 7507 | printf (_(" DW_CFA_expression: <corrupt len %lu>\n"), ul); |
6937bb54 NC |
7508 | break; |
7509 | } | |
665ce1f6 | 7510 | if (! do_debug_frames_interp || *reg_prefix != '\0') |
19e6b90e | 7511 | { |
665ce1f6 L |
7512 | printf (" DW_CFA_expression: %s%s (", |
7513 | reg_prefix, regname (reg, 0)); | |
b7807392 | 7514 | decode_location_expression (start, eh_addr_size, 0, -1, |
f1c4cc75 | 7515 | ul, 0, section); |
19e6b90e L |
7516 | printf (")\n"); |
7517 | } | |
665ce1f6 L |
7518 | if (*reg_prefix == '\0') |
7519 | fc->col_type[reg] = DW_CFA_expression; | |
362beea4 | 7520 | start = tmp; |
19e6b90e L |
7521 | break; |
7522 | ||
12eae2d3 | 7523 | case DW_CFA_val_expression: |
7f2c8a1d NC |
7524 | READ_ULEB (reg); |
7525 | READ_ULEB (ul); | |
665ce1f6 L |
7526 | if (reg >= (unsigned int) fc->ncols) |
7527 | reg_prefix = bad_reg; | |
362beea4 NC |
7528 | tmp = start + ul; |
7529 | if (start >= block_end || tmp > block_end || tmp < start) | |
6937bb54 | 7530 | { |
a1165289 | 7531 | printf (" DW_CFA_val_expression: <corrupt len %lu>\n", ul); |
6937bb54 NC |
7532 | break; |
7533 | } | |
665ce1f6 | 7534 | if (! do_debug_frames_interp || *reg_prefix != '\0') |
12eae2d3 | 7535 | { |
665ce1f6 L |
7536 | printf (" DW_CFA_val_expression: %s%s (", |
7537 | reg_prefix, regname (reg, 0)); | |
b7807392 JJ |
7538 | decode_location_expression (start, eh_addr_size, 0, -1, |
7539 | ul, 0, section); | |
12eae2d3 JJ |
7540 | printf (")\n"); |
7541 | } | |
665ce1f6 L |
7542 | if (*reg_prefix == '\0') |
7543 | fc->col_type[reg] = DW_CFA_val_expression; | |
362beea4 | 7544 | start = tmp; |
12eae2d3 JJ |
7545 | break; |
7546 | ||
19e6b90e | 7547 | case DW_CFA_offset_extended_sf: |
7f2c8a1d NC |
7548 | READ_ULEB (reg); |
7549 | READ_SLEB (l); | |
665ce1f6 L |
7550 | if (frame_need_space (fc, reg) < 0) |
7551 | reg_prefix = bad_reg; | |
7552 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
7553 | printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n", | |
7554 | reg_prefix, regname (reg, 0), | |
c8071705 | 7555 | (long)(l * fc->data_factor)); |
665ce1f6 L |
7556 | if (*reg_prefix == '\0') |
7557 | { | |
7558 | fc->col_type[reg] = DW_CFA_offset; | |
7559 | fc->col_offset[reg] = l * fc->data_factor; | |
7560 | } | |
19e6b90e L |
7561 | break; |
7562 | ||
12eae2d3 | 7563 | case DW_CFA_val_offset_sf: |
7f2c8a1d NC |
7564 | READ_ULEB (reg); |
7565 | READ_SLEB (l); | |
665ce1f6 L |
7566 | if (frame_need_space (fc, reg) < 0) |
7567 | reg_prefix = bad_reg; | |
7568 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
084303b8 | 7569 | printf (" DW_CFA_val_offset_sf: %s%s is cfa%+ld\n", |
665ce1f6 | 7570 | reg_prefix, regname (reg, 0), |
c8071705 | 7571 | (long)(l * fc->data_factor)); |
665ce1f6 L |
7572 | if (*reg_prefix == '\0') |
7573 | { | |
7574 | fc->col_type[reg] = DW_CFA_val_offset; | |
7575 | fc->col_offset[reg] = l * fc->data_factor; | |
7576 | } | |
12eae2d3 JJ |
7577 | break; |
7578 | ||
19e6b90e | 7579 | case DW_CFA_def_cfa_sf: |
7f2c8a1d NC |
7580 | READ_SLEB (fc->cfa_reg); |
7581 | READ_ULEB (fc->cfa_offset); | |
19e6b90e L |
7582 | fc->cfa_offset = fc->cfa_offset * fc->data_factor; |
7583 | fc->cfa_exp = 0; | |
7584 | if (! do_debug_frames_interp) | |
2dc4cec1 | 7585 | printf (" DW_CFA_def_cfa_sf: %s ofs %d\n", |
c8071705 | 7586 | regname (fc->cfa_reg, 0), (int) fc->cfa_offset); |
19e6b90e L |
7587 | break; |
7588 | ||
7589 | case DW_CFA_def_cfa_offset_sf: | |
7f2c8a1d | 7590 | READ_ULEB (fc->cfa_offset); |
c8071705 | 7591 | fc->cfa_offset *= fc->data_factor; |
19e6b90e | 7592 | if (! do_debug_frames_interp) |
c8071705 | 7593 | printf (" DW_CFA_def_cfa_offset_sf: %d\n", (int) fc->cfa_offset); |
19e6b90e L |
7594 | break; |
7595 | ||
7596 | case DW_CFA_MIPS_advance_loc8: | |
6937bb54 | 7597 | SAFE_BYTE_GET_AND_INC (ofs, start, 8, block_end); |
19e6b90e L |
7598 | if (do_debug_frames_interp) |
7599 | frame_display_row (fc, &need_col_headers, &max_regs); | |
7600 | else | |
bf5117e3 NC |
7601 | printf (" DW_CFA_MIPS_advance_loc8: %ld to %s\n", |
7602 | (unsigned long) (ofs * fc->code_factor), | |
7603 | dwarf_vmatoa_1 (NULL, | |
7604 | fc->pc_begin + ofs * fc->code_factor, | |
7605 | fc->ptr_size)); | |
19e6b90e L |
7606 | fc->pc_begin += ofs * fc->code_factor; |
7607 | break; | |
7608 | ||
7609 | case DW_CFA_GNU_window_save: | |
7610 | if (! do_debug_frames_interp) | |
7611 | printf (" DW_CFA_GNU_window_save\n"); | |
7612 | break; | |
7613 | ||
7614 | case DW_CFA_GNU_args_size: | |
7f2c8a1d | 7615 | READ_ULEB (ul); |
19e6b90e L |
7616 | if (! do_debug_frames_interp) |
7617 | printf (" DW_CFA_GNU_args_size: %ld\n", ul); | |
7618 | break; | |
7619 | ||
7620 | case DW_CFA_GNU_negative_offset_extended: | |
7f2c8a1d NC |
7621 | READ_ULEB (reg); |
7622 | READ_SLEB (l); | |
7623 | l = - l; | |
665ce1f6 L |
7624 | if (frame_need_space (fc, reg) < 0) |
7625 | reg_prefix = bad_reg; | |
7626 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
7627 | printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n", | |
7628 | reg_prefix, regname (reg, 0), | |
c8071705 | 7629 | (long)(l * fc->data_factor)); |
665ce1f6 L |
7630 | if (*reg_prefix == '\0') |
7631 | { | |
7632 | fc->col_type[reg] = DW_CFA_offset; | |
7633 | fc->col_offset[reg] = l * fc->data_factor; | |
7634 | } | |
19e6b90e L |
7635 | break; |
7636 | ||
7637 | default: | |
53b8873b NC |
7638 | if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user) |
7639 | printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op); | |
7640 | else | |
f41e4712 | 7641 | warn (_("Unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op); |
19e6b90e L |
7642 | start = block_end; |
7643 | } | |
7644 | } | |
7645 | ||
5b6312fd NC |
7646 | /* Interpret the CFA - as long as it is not completely full of NOPs. */ |
7647 | if (do_debug_frames_interp && ! all_nops) | |
19e6b90e L |
7648 | frame_display_row (fc, &need_col_headers, &max_regs); |
7649 | ||
7650 | start = block_end; | |
604282a7 | 7651 | eh_addr_size = saved_eh_addr_size; |
19e6b90e L |
7652 | } |
7653 | ||
7654 | printf ("\n"); | |
7655 | ||
7656 | return 1; | |
7657 | } | |
7658 | ||
7659 | #undef GET | |
19e6b90e | 7660 | |
61364358 JK |
7661 | static int |
7662 | display_debug_names (struct dwarf_section *section, void *file) | |
7663 | { | |
7664 | unsigned char *hdrptr = section->start; | |
7665 | dwarf_vma unit_length; | |
7666 | unsigned char *unit_start; | |
7667 | const unsigned char *const section_end = section->start + section->size; | |
7668 | unsigned char *unit_end; | |
7669 | ||
7670 | printf (_("Contents of the %s section:\n"), section->name); | |
7671 | ||
7672 | load_debug_section (str, file); | |
7673 | ||
7674 | for (; hdrptr < section_end; hdrptr = unit_end) | |
7675 | { | |
7676 | unsigned int offset_size; | |
7677 | uint16_t dwarf_version, padding; | |
7678 | uint32_t comp_unit_count, local_type_unit_count, foreign_type_unit_count; | |
7679 | uint32_t bucket_count, name_count, abbrev_table_size; | |
7680 | uint32_t augmentation_string_size; | |
7681 | unsigned int i; | |
7682 | ||
7683 | unit_start = hdrptr; | |
7684 | ||
7685 | /* Get and check the length of the block. */ | |
7686 | SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 4, section_end); | |
7687 | ||
7688 | if (unit_length == 0xffffffff) | |
7689 | { | |
7690 | /* This section is 64-bit DWARF. */ | |
7691 | SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 8, section_end); | |
7692 | offset_size = 8; | |
7693 | } | |
7694 | else | |
7695 | offset_size = 4; | |
7696 | unit_end = hdrptr + unit_length; | |
7697 | ||
7698 | if ((hdrptr - section->start) + unit_length > section->size) | |
7699 | { | |
7700 | warn (_("The length field (0x%lx) for unit 0x%lx in the debug_names " | |
7701 | "header is wrong - the section is too small\n"), | |
7702 | (long) unit_length, (long) (unit_start - section->start)); | |
7703 | return 0; | |
7704 | } | |
7705 | ||
7706 | /* Get and check the version number. */ | |
7707 | SAFE_BYTE_GET_AND_INC (dwarf_version, hdrptr, 2, unit_end); | |
7708 | printf (_("Version %ld\n"), (long) dwarf_version); | |
7709 | ||
7710 | /* Prior versions did not exist, and future versions may not be | |
7711 | backwards compatible. */ | |
7712 | if (dwarf_version != 5) | |
7713 | { | |
7714 | warn (_("Only DWARF version 5 .debug_names " | |
7715 | "is currently supported.\n")); | |
7716 | return 0; | |
7717 | } | |
7718 | ||
7719 | SAFE_BYTE_GET_AND_INC (padding, hdrptr, 2, unit_end); | |
7720 | if (padding != 0) | |
7721 | warn (_("Padding field of .debug_names must be 0 (found 0x%x)\n"), | |
7722 | padding); | |
7723 | ||
7724 | SAFE_BYTE_GET_AND_INC (comp_unit_count, hdrptr, 4, unit_end); | |
7725 | if (comp_unit_count == 0) | |
7726 | warn (_("Compilation unit count must be >= 1 in .debug_names\n")); | |
7727 | ||
7728 | SAFE_BYTE_GET_AND_INC (local_type_unit_count, hdrptr, 4, unit_end); | |
7729 | SAFE_BYTE_GET_AND_INC (foreign_type_unit_count, hdrptr, 4, unit_end); | |
7730 | SAFE_BYTE_GET_AND_INC (bucket_count, hdrptr, 4, unit_end); | |
7731 | SAFE_BYTE_GET_AND_INC (name_count, hdrptr, 4, unit_end); | |
7732 | SAFE_BYTE_GET_AND_INC (abbrev_table_size, hdrptr, 4, unit_end); | |
7733 | ||
7734 | SAFE_BYTE_GET_AND_INC (augmentation_string_size, hdrptr, 4, unit_end); | |
7735 | if (augmentation_string_size % 4 != 0) | |
7736 | { | |
7737 | warn (_("Augmentation string length %u must be rounded up " | |
7738 | "to a multiple of 4 in .debug_names.\n"), | |
7739 | augmentation_string_size); | |
7740 | augmentation_string_size += (-augmentation_string_size) & 3; | |
7741 | } | |
7742 | printf (_("Augmentation string:")); | |
7743 | for (i = 0; i < augmentation_string_size; i++) | |
7744 | { | |
7745 | unsigned char uc; | |
7746 | ||
7747 | SAFE_BYTE_GET_AND_INC (uc, hdrptr, 1, unit_end); | |
7748 | printf (" %02x", uc); | |
7749 | } | |
7750 | putchar ('\n'); | |
7751 | putchar ('\n'); | |
7752 | ||
7753 | printf (_("CU table:\n")); | |
7754 | for (i = 0; i < comp_unit_count; i++) | |
7755 | { | |
7756 | uint64_t cu_offset; | |
7757 | ||
7758 | SAFE_BYTE_GET_AND_INC (cu_offset, hdrptr, offset_size, unit_end); | |
7759 | printf (_("[%3u] 0x%lx\n"), i, (unsigned long) cu_offset); | |
7760 | } | |
7761 | putchar ('\n'); | |
7762 | ||
7763 | printf (_("TU table:\n")); | |
7764 | for (i = 0; i < local_type_unit_count; i++) | |
7765 | { | |
7766 | uint64_t tu_offset; | |
7767 | ||
7768 | SAFE_BYTE_GET_AND_INC (tu_offset, hdrptr, offset_size, unit_end); | |
7769 | printf (_("[%3u] 0x%lx\n"), i, (unsigned long) tu_offset); | |
7770 | } | |
7771 | putchar ('\n'); | |
7772 | ||
7773 | printf (_("Foreign TU table:\n")); | |
7774 | for (i = 0; i < foreign_type_unit_count; i++) | |
7775 | { | |
7776 | uint64_t signature; | |
7777 | ||
7778 | SAFE_BYTE_GET_AND_INC (signature, hdrptr, 8, unit_end); | |
7779 | printf (_("[%3u] "), i); | |
7780 | print_dwarf_vma (signature, 8); | |
7781 | putchar ('\n'); | |
7782 | } | |
7783 | putchar ('\n'); | |
7784 | ||
7785 | const uint32_t *const hash_table_buckets = (uint32_t *) hdrptr; | |
7786 | hdrptr += bucket_count * sizeof (uint32_t); | |
7787 | const uint32_t *const hash_table_hashes = (uint32_t *) hdrptr; | |
7788 | hdrptr += name_count * sizeof (uint32_t); | |
7789 | unsigned char *const name_table_string_offsets = hdrptr; | |
7790 | hdrptr += name_count * offset_size; | |
7791 | unsigned char *const name_table_entry_offsets = hdrptr; | |
7792 | hdrptr += name_count * offset_size; | |
7793 | unsigned char *const abbrev_table = hdrptr; | |
7794 | hdrptr += abbrev_table_size; | |
7795 | const unsigned char *const abbrev_table_end = hdrptr; | |
7796 | unsigned char *const entry_pool = hdrptr; | |
7797 | if (hdrptr > unit_end) | |
7798 | { | |
7799 | warn (_("Entry pool offset (0x%lx) exceeds unit size 0x%lx " | |
7800 | "for unit 0x%lx in the debug_names\n"), | |
7801 | (long) (hdrptr - section->start), | |
7802 | (long) (unit_end - section->start), | |
7803 | (long) (unit_start - section->start)); | |
7804 | return 0; | |
7805 | } | |
7806 | ||
7807 | size_t buckets_filled = 0; | |
7808 | size_t bucketi; | |
7809 | for (bucketi = 0; bucketi < bucket_count; bucketi++) | |
7810 | { | |
7811 | const uint32_t bucket = hash_table_buckets[bucketi]; | |
7812 | ||
7813 | if (bucket != 0) | |
7814 | ++buckets_filled; | |
7815 | } | |
7816 | printf (_("Used %zu of %lu buckets.\n"), buckets_filled, | |
7817 | (unsigned long) bucket_count); | |
7818 | ||
7819 | uint32_t hash_prev; | |
7820 | size_t hash_clash_count = 0; | |
7821 | size_t longest_clash = 0; | |
7822 | size_t this_length = 0; | |
7823 | size_t hashi; | |
7824 | for (hashi = 0; hashi < name_count; hashi++) | |
7825 | { | |
7826 | const uint32_t hash_this = hash_table_hashes[hashi]; | |
7827 | ||
7828 | if (hashi > 0) | |
7829 | { | |
7830 | if (hash_prev % bucket_count == hash_this % bucket_count) | |
7831 | { | |
7832 | ++hash_clash_count; | |
7833 | ++this_length; | |
7834 | longest_clash = MAX (longest_clash, this_length); | |
7835 | } | |
7836 | else | |
7837 | this_length = 0; | |
7838 | } | |
7839 | hash_prev = hash_this; | |
7840 | } | |
7841 | printf (_("Out of %lu items there are %zu bucket clashes" | |
7842 | " (longest of %zu entries).\n"), | |
7843 | (unsigned long) name_count, hash_clash_count, longest_clash); | |
7844 | assert (name_count == buckets_filled + hash_clash_count); | |
7845 | ||
7846 | struct abbrev_lookup_entry | |
7847 | { | |
7848 | dwarf_vma abbrev_tag; | |
7849 | unsigned char *abbrev_lookup_ptr; | |
7850 | }; | |
7851 | struct abbrev_lookup_entry *abbrev_lookup = NULL; | |
7852 | size_t abbrev_lookup_used = 0; | |
7853 | size_t abbrev_lookup_allocated = 0; | |
7854 | ||
7855 | unsigned char *abbrevptr = abbrev_table; | |
7856 | for (;;) | |
7857 | { | |
7858 | unsigned int bytes_read; | |
7859 | const dwarf_vma abbrev_tag = read_uleb128 (abbrevptr, &bytes_read, | |
7860 | abbrev_table_end); | |
7861 | abbrevptr += bytes_read; | |
7862 | if (abbrev_tag == 0) | |
7863 | break; | |
7864 | if (abbrev_lookup_used == abbrev_lookup_allocated) | |
7865 | { | |
7866 | abbrev_lookup_allocated = MAX (0x100, | |
7867 | abbrev_lookup_allocated * 2); | |
7868 | abbrev_lookup = xrealloc (abbrev_lookup, | |
7869 | (abbrev_lookup_allocated | |
7870 | * sizeof (*abbrev_lookup))); | |
7871 | } | |
7872 | assert (abbrev_lookup_used < abbrev_lookup_allocated); | |
7873 | struct abbrev_lookup_entry *entry; | |
7874 | for (entry = abbrev_lookup; | |
7875 | entry < abbrev_lookup + abbrev_lookup_used; | |
7876 | entry++) | |
7877 | if (entry->abbrev_tag == abbrev_tag) | |
7878 | { | |
7879 | warn (_("Duplicate abbreviation tag %lu " | |
7880 | "in unit 0x%lx in the debug_names\n"), | |
7881 | (long) abbrev_tag, (long) (unit_start - section->start)); | |
7882 | break; | |
7883 | } | |
7884 | entry = &abbrev_lookup[abbrev_lookup_used++]; | |
7885 | entry->abbrev_tag = abbrev_tag; | |
7886 | entry->abbrev_lookup_ptr = abbrevptr; | |
7887 | ||
7888 | /* Skip DWARF tag. */ | |
7889 | read_uleb128 (abbrevptr, &bytes_read, abbrev_table_end); | |
7890 | abbrevptr += bytes_read; | |
7891 | for (;;) | |
7892 | { | |
1d827a72 L |
7893 | const dwarf_vma xindex = read_uleb128 (abbrevptr, |
7894 | &bytes_read, | |
7895 | abbrev_table_end); | |
61364358 JK |
7896 | abbrevptr += bytes_read; |
7897 | const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read, | |
7898 | abbrev_table_end); | |
7899 | abbrevptr += bytes_read; | |
1d827a72 | 7900 | if (xindex == 0 && form == 0) |
61364358 JK |
7901 | break; |
7902 | } | |
7903 | } | |
7904 | ||
7905 | printf (_("\nSymbol table:\n")); | |
7906 | uint32_t namei; | |
7907 | for (namei = 0; namei < name_count; ++namei) | |
7908 | { | |
7909 | uint64_t string_offset, entry_offset; | |
7910 | ||
7911 | SAFE_BYTE_GET (string_offset, | |
7912 | name_table_string_offsets + namei * offset_size, | |
7913 | offset_size, unit_end); | |
7914 | SAFE_BYTE_GET (entry_offset, | |
7915 | name_table_entry_offsets + namei * offset_size, | |
7916 | offset_size, unit_end); | |
7917 | ||
7918 | printf ("[%3u] #%08x %s:", namei, hash_table_hashes[namei], | |
7919 | fetch_indirect_string (string_offset)); | |
7920 | ||
7921 | unsigned char *entryptr = entry_pool + entry_offset; | |
7922 | ||
7923 | // We need to scan first whether there is a single or multiple | |
7924 | // entries. TAGNO is -2 for the first entry, it is -1 for the | |
7925 | // initial tag read of the second entry, then it becomes 0 for the | |
7926 | // first entry for real printing etc. | |
7927 | int tagno = -2; | |
7928 | /* Initialize it due to a false compiler warning. */ | |
7929 | dwarf_vma second_abbrev_tag = -1; | |
7930 | for (;;) | |
7931 | { | |
7932 | unsigned int bytes_read; | |
7933 | const dwarf_vma abbrev_tag = read_uleb128 (entryptr, &bytes_read, | |
7934 | unit_end); | |
7935 | entryptr += bytes_read; | |
7936 | if (tagno == -1) | |
7937 | { | |
7938 | second_abbrev_tag = abbrev_tag; | |
7939 | tagno = 0; | |
7940 | entryptr = entry_pool + entry_offset; | |
7941 | continue; | |
7942 | } | |
7943 | if (abbrev_tag == 0) | |
7944 | break; | |
7945 | if (tagno >= 0) | |
7946 | printf ("%s<%lu>", | |
7947 | (tagno == 0 && second_abbrev_tag == 0 ? " " : "\n\t"), | |
7948 | (unsigned long) abbrev_tag); | |
7949 | ||
7950 | const struct abbrev_lookup_entry *entry; | |
7951 | for (entry = abbrev_lookup; | |
7952 | entry < abbrev_lookup + abbrev_lookup_used; | |
7953 | entry++) | |
7954 | if (entry->abbrev_tag == abbrev_tag) | |
7955 | break; | |
7956 | if (entry >= abbrev_lookup + abbrev_lookup_used) | |
7957 | { | |
7958 | warn (_("Undefined abbreviation tag %lu " | |
7959 | "in unit 0x%lx in the debug_names\n"), | |
7960 | (long) abbrev_tag, | |
7961 | (long) (unit_start - section->start)); | |
7962 | break; | |
7963 | } | |
7964 | abbrevptr = entry->abbrev_lookup_ptr; | |
7965 | const dwarf_vma dwarf_tag = read_uleb128 (abbrevptr, &bytes_read, | |
7966 | abbrev_table_end); | |
7967 | abbrevptr += bytes_read; | |
7968 | if (tagno >= 0) | |
7969 | printf (" %s", get_TAG_name (dwarf_tag)); | |
7970 | for (;;) | |
7971 | { | |
1d827a72 L |
7972 | const dwarf_vma xindex = read_uleb128 (abbrevptr, |
7973 | &bytes_read, | |
7974 | abbrev_table_end); | |
61364358 JK |
7975 | abbrevptr += bytes_read; |
7976 | const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read, | |
7977 | abbrev_table_end); | |
7978 | abbrevptr += bytes_read; | |
1d827a72 | 7979 | if (xindex == 0 && form == 0) |
61364358 JK |
7980 | break; |
7981 | ||
7982 | if (tagno >= 0) | |
1d827a72 | 7983 | printf (" %s", get_IDX_name (xindex)); |
61364358 JK |
7984 | entryptr = read_and_display_attr_value (0, form, 0, entryptr, |
7985 | unit_end, 0, 0, | |
7986 | offset_size, | |
7987 | dwarf_version, NULL, | |
7988 | (tagno < 0), NULL, | |
7989 | NULL, '='); | |
7990 | } | |
7991 | ++tagno; | |
7992 | } | |
7993 | if (tagno <= 0) | |
7994 | printf (_(" <no entries>")); | |
7995 | putchar ('\n'); | |
7996 | } | |
7997 | ||
7998 | free (abbrev_lookup); | |
7999 | } | |
8000 | ||
8001 | return 1; | |
8002 | } | |
8003 | ||
5bbdf3d5 DE |
8004 | static int |
8005 | display_gdb_index (struct dwarf_section *section, | |
8006 | void *file ATTRIBUTE_UNUSED) | |
8007 | { | |
8008 | unsigned char *start = section->start; | |
8009 | uint32_t version; | |
8010 | uint32_t cu_list_offset, tu_list_offset; | |
8011 | uint32_t address_table_offset, symbol_table_offset, constant_pool_offset; | |
8012 | unsigned int cu_list_elements, tu_list_elements; | |
8013 | unsigned int address_table_size, symbol_table_slots; | |
8014 | unsigned char *cu_list, *tu_list; | |
8015 | unsigned char *address_table, *symbol_table, *constant_pool; | |
8016 | unsigned int i; | |
8017 | ||
8018 | /* The documentation for the format of this file is in gdb/dwarf2read.c. */ | |
8019 | ||
8020 | printf (_("Contents of the %s section:\n"), section->name); | |
8021 | ||
8022 | if (section->size < 6 * sizeof (uint32_t)) | |
8023 | { | |
8024 | warn (_("Truncated header in the %s section.\n"), section->name); | |
8025 | return 0; | |
8026 | } | |
8027 | ||
8028 | version = byte_get_little_endian (start, 4); | |
da88a764 | 8029 | printf (_("Version %ld\n"), (long) version); |
5bbdf3d5 DE |
8030 | |
8031 | /* Prior versions are obsolete, and future versions may not be | |
8032 | backwards compatible. */ | |
aa170720 | 8033 | if (version < 3 || version > 8) |
5bbdf3d5 | 8034 | { |
da88a764 | 8035 | warn (_("Unsupported version %lu.\n"), (unsigned long) version); |
5bbdf3d5 DE |
8036 | return 0; |
8037 | } | |
8d6eee87 TT |
8038 | if (version < 4) |
8039 | warn (_("The address table data in version 3 may be wrong.\n")); | |
8040 | if (version < 5) | |
8041 | warn (_("Version 4 does not support case insensitive lookups.\n")); | |
8042 | if (version < 6) | |
8043 | warn (_("Version 5 does not include inlined functions.\n")); | |
8044 | if (version < 7) | |
8045 | warn (_("Version 6 does not include symbol attributes.\n")); | |
aa170720 DE |
8046 | /* Version 7 indices generated by Gold have bad type unit references, |
8047 | PR binutils/15021. But we don't know if the index was generated by | |
8048 | Gold or not, so to avoid worrying users with gdb-generated indices | |
8049 | we say nothing for version 7 here. */ | |
5bbdf3d5 DE |
8050 | |
8051 | cu_list_offset = byte_get_little_endian (start + 4, 4); | |
8052 | tu_list_offset = byte_get_little_endian (start + 8, 4); | |
8053 | address_table_offset = byte_get_little_endian (start + 12, 4); | |
8054 | symbol_table_offset = byte_get_little_endian (start + 16, 4); | |
8055 | constant_pool_offset = byte_get_little_endian (start + 20, 4); | |
8056 | ||
8057 | if (cu_list_offset > section->size | |
8058 | || tu_list_offset > section->size | |
8059 | || address_table_offset > section->size | |
8060 | || symbol_table_offset > section->size | |
8061 | || constant_pool_offset > section->size) | |
8062 | { | |
8063 | warn (_("Corrupt header in the %s section.\n"), section->name); | |
8064 | return 0; | |
8065 | } | |
8066 | ||
53774b7e NC |
8067 | /* PR 17531: file: 418d0a8a. */ |
8068 | if (tu_list_offset < cu_list_offset) | |
8069 | { | |
8070 | warn (_("TU offset (%x) is less than CU offset (%x)\n"), | |
8071 | tu_list_offset, cu_list_offset); | |
8072 | return 0; | |
8073 | } | |
8074 | ||
5bbdf3d5 | 8075 | cu_list_elements = (tu_list_offset - cu_list_offset) / 8; |
53774b7e NC |
8076 | |
8077 | if (address_table_offset < tu_list_offset) | |
8078 | { | |
8079 | warn (_("Address table offset (%x) is less than TU offset (%x)\n"), | |
8080 | address_table_offset, tu_list_offset); | |
8081 | return 0; | |
8082 | } | |
8083 | ||
5bbdf3d5 | 8084 | tu_list_elements = (address_table_offset - tu_list_offset) / 8; |
53774b7e NC |
8085 | |
8086 | /* PR 17531: file: 18a47d3d. */ | |
8087 | if (symbol_table_offset < address_table_offset) | |
8088 | { | |
acff9664 | 8089 | warn (_("Symbol table offset (%xl) is less then Address table offset (%x)\n"), |
53774b7e NC |
8090 | symbol_table_offset, address_table_offset); |
8091 | return 0; | |
8092 | } | |
8093 | ||
5bbdf3d5 | 8094 | address_table_size = symbol_table_offset - address_table_offset; |
53774b7e NC |
8095 | |
8096 | if (constant_pool_offset < symbol_table_offset) | |
8097 | { | |
8098 | warn (_("Constant pool offset (%x) is less than symbol table offset (%x)\n"), | |
8099 | constant_pool_offset, symbol_table_offset); | |
8100 | return 0; | |
8101 | } | |
8102 | ||
5bbdf3d5 DE |
8103 | symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8; |
8104 | ||
8105 | cu_list = start + cu_list_offset; | |
8106 | tu_list = start + tu_list_offset; | |
8107 | address_table = start + address_table_offset; | |
8108 | symbol_table = start + symbol_table_offset; | |
8109 | constant_pool = start + constant_pool_offset; | |
8110 | ||
28d909e5 | 8111 | if (address_table + address_table_size > section->start + section->size) |
acff9664 | 8112 | { |
1306a742 | 8113 | warn (_("Address table extends beyond end of section.\n")); |
acff9664 NC |
8114 | return 0; |
8115 | } | |
b4eb7656 | 8116 | |
5bbdf3d5 DE |
8117 | printf (_("\nCU table:\n")); |
8118 | for (i = 0; i < cu_list_elements; i += 2) | |
8119 | { | |
8120 | uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8); | |
8121 | uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8); | |
8122 | ||
8123 | printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2, | |
8124 | (unsigned long) cu_offset, | |
8125 | (unsigned long) (cu_offset + cu_length - 1)); | |
8126 | } | |
8127 | ||
8128 | printf (_("\nTU table:\n")); | |
8129 | for (i = 0; i < tu_list_elements; i += 3) | |
8130 | { | |
8131 | uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8); | |
8132 | uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8); | |
8133 | uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8); | |
8134 | ||
8135 | printf (_("[%3u] 0x%lx 0x%lx "), i / 3, | |
8136 | (unsigned long) tu_offset, | |
8137 | (unsigned long) type_offset); | |
8138 | print_dwarf_vma (signature, 8); | |
8139 | printf ("\n"); | |
8140 | } | |
8141 | ||
8142 | printf (_("\nAddress table:\n")); | |
acff9664 NC |
8143 | for (i = 0; i < address_table_size && i <= address_table_size - (2 * 8 + 4); |
8144 | i += 2 * 8 + 4) | |
5bbdf3d5 DE |
8145 | { |
8146 | uint64_t low = byte_get_little_endian (address_table + i, 8); | |
8147 | uint64_t high = byte_get_little_endian (address_table + i + 8, 8); | |
8148 | uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4); | |
8149 | ||
8150 | print_dwarf_vma (low, 8); | |
8151 | print_dwarf_vma (high, 8); | |
da88a764 | 8152 | printf (_("%lu\n"), (unsigned long) cu_index); |
5bbdf3d5 DE |
8153 | } |
8154 | ||
8155 | printf (_("\nSymbol table:\n")); | |
8156 | for (i = 0; i < symbol_table_slots; ++i) | |
8157 | { | |
8158 | uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4); | |
8159 | uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4); | |
8160 | uint32_t num_cus, cu; | |
8161 | ||
8162 | if (name_offset != 0 | |
8163 | || cu_vector_offset != 0) | |
8164 | { | |
8165 | unsigned int j; | |
362beea4 | 8166 | unsigned char * adr; |
5bbdf3d5 | 8167 | |
362beea4 | 8168 | adr = constant_pool + name_offset; |
53774b7e | 8169 | /* PR 17531: file: 5b7b07ad. */ |
362beea4 | 8170 | if (adr < constant_pool || adr >= section->start + section->size) |
53774b7e NC |
8171 | { |
8172 | printf (_("[%3u] <corrupt offset: %x>"), i, name_offset); | |
8173 | warn (_("Corrupt name offset of 0x%x found for symbol table slot %d\n"), | |
8174 | name_offset, i); | |
8175 | } | |
8176 | else | |
acff9664 NC |
8177 | printf ("[%3u] %.*s:", i, |
8178 | (int) (section->size - (constant_pool_offset + name_offset)), | |
8179 | constant_pool + name_offset); | |
53774b7e | 8180 | |
362beea4 NC |
8181 | adr = constant_pool + cu_vector_offset; |
8182 | if (adr < constant_pool || adr >= section->start + section->size - 3) | |
53774b7e NC |
8183 | { |
8184 | printf (_("<invalid CU vector offset: %x>\n"), cu_vector_offset); | |
8185 | warn (_("Corrupt CU vector offset of 0x%x found for symbol table slot %d\n"), | |
8186 | cu_vector_offset, i); | |
8187 | continue; | |
8188 | } | |
57028622 | 8189 | |
362beea4 | 8190 | num_cus = byte_get_little_endian (adr, 4); |
53774b7e | 8191 | |
362beea4 | 8192 | adr = constant_pool + cu_vector_offset + 4 + num_cus * 4; |
acff9664 | 8193 | if (num_cus * 4 < num_cus |
362beea4 NC |
8194 | || adr >= section->start + section->size |
8195 | || adr < constant_pool) | |
53774b7e NC |
8196 | { |
8197 | printf ("<invalid number of CUs: %d>\n", num_cus); | |
acff9664 | 8198 | warn (_("Invalid number of CUs (0x%x) for symbol table slot %d\n"), |
53774b7e NC |
8199 | num_cus, i); |
8200 | continue; | |
8201 | } | |
8202 | ||
8d6eee87 TT |
8203 | if (num_cus > 1) |
8204 | printf ("\n"); | |
f3853b34 | 8205 | |
5bbdf3d5 DE |
8206 | for (j = 0; j < num_cus; ++j) |
8207 | { | |
7c1cef97 | 8208 | int is_static; |
8d6eee87 TT |
8209 | gdb_index_symbol_kind kind; |
8210 | ||
5bbdf3d5 | 8211 | cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4); |
7c1cef97 | 8212 | is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu); |
8d6eee87 TT |
8213 | kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu); |
8214 | cu = GDB_INDEX_CU_VALUE (cu); | |
5bbdf3d5 | 8215 | /* Convert to TU number if it's for a type unit. */ |
ad6b52dd | 8216 | if (cu >= cu_list_elements / 2) |
8d6eee87 TT |
8217 | printf ("%cT%lu", num_cus > 1 ? '\t' : ' ', |
8218 | (unsigned long) (cu - cu_list_elements / 2)); | |
5bbdf3d5 | 8219 | else |
8d6eee87 TT |
8220 | printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu); |
8221 | ||
459d52c8 DE |
8222 | printf (" [%s, %s]", |
8223 | is_static ? _("static") : _("global"), | |
8224 | get_gdb_index_symbol_kind_name (kind)); | |
8d6eee87 TT |
8225 | if (num_cus > 1) |
8226 | printf ("\n"); | |
5bbdf3d5 | 8227 | } |
8d6eee87 TT |
8228 | if (num_cus <= 1) |
8229 | printf ("\n"); | |
5bbdf3d5 DE |
8230 | } |
8231 | } | |
8232 | ||
8233 | return 1; | |
8234 | } | |
8235 | ||
657d0d47 CC |
8236 | /* Pre-allocate enough space for the CU/TU sets needed. */ |
8237 | ||
8238 | static void | |
8239 | prealloc_cu_tu_list (unsigned int nshndx) | |
8240 | { | |
8241 | if (shndx_pool == NULL) | |
8242 | { | |
8243 | shndx_pool_size = nshndx; | |
8244 | shndx_pool_used = 0; | |
8245 | shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size, | |
8246 | sizeof (unsigned int)); | |
8247 | } | |
8248 | else | |
8249 | { | |
8250 | shndx_pool_size = shndx_pool_used + nshndx; | |
8251 | shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size, | |
8252 | sizeof (unsigned int)); | |
8253 | } | |
8254 | } | |
8255 | ||
8256 | static void | |
8257 | add_shndx_to_cu_tu_entry (unsigned int shndx) | |
8258 | { | |
8259 | if (shndx_pool_used >= shndx_pool_size) | |
8260 | { | |
8261 | error (_("Internal error: out of space in the shndx pool.\n")); | |
8262 | return; | |
8263 | } | |
8264 | shndx_pool [shndx_pool_used++] = shndx; | |
8265 | } | |
8266 | ||
8267 | static void | |
8268 | end_cu_tu_entry (void) | |
8269 | { | |
8270 | if (shndx_pool_used >= shndx_pool_size) | |
8271 | { | |
8272 | error (_("Internal error: out of space in the shndx pool.\n")); | |
8273 | return; | |
8274 | } | |
8275 | shndx_pool [shndx_pool_used++] = 0; | |
8276 | } | |
8277 | ||
341f9135 CC |
8278 | /* Return the short name of a DWARF section given by a DW_SECT enumerator. */ |
8279 | ||
8280 | static const char * | |
8281 | get_DW_SECT_short_name (unsigned int dw_sect) | |
8282 | { | |
8283 | static char buf[16]; | |
8284 | ||
8285 | switch (dw_sect) | |
8286 | { | |
8287 | case DW_SECT_INFO: | |
8288 | return "info"; | |
8289 | case DW_SECT_TYPES: | |
8290 | return "types"; | |
8291 | case DW_SECT_ABBREV: | |
8292 | return "abbrev"; | |
8293 | case DW_SECT_LINE: | |
8294 | return "line"; | |
8295 | case DW_SECT_LOC: | |
8296 | return "loc"; | |
8297 | case DW_SECT_STR_OFFSETS: | |
8298 | return "str_off"; | |
8299 | case DW_SECT_MACINFO: | |
8300 | return "macinfo"; | |
8301 | case DW_SECT_MACRO: | |
8302 | return "macro"; | |
8303 | default: | |
b4eb7656 | 8304 | break; |
341f9135 CC |
8305 | } |
8306 | ||
8307 | snprintf (buf, sizeof (buf), "%d", dw_sect); | |
8308 | return buf; | |
8309 | } | |
8310 | ||
8311 | /* Process a CU or TU index. If DO_DISPLAY is true, print the contents. | |
8312 | These sections are extensions for Fission. | |
8313 | See http://gcc.gnu.org/wiki/DebugFissionDWP. */ | |
657d0d47 CC |
8314 | |
8315 | static int | |
8316 | process_cu_tu_index (struct dwarf_section *section, int do_display) | |
8317 | { | |
8318 | unsigned char *phdr = section->start; | |
8319 | unsigned char *limit = phdr + section->size; | |
8320 | unsigned char *phash; | |
8321 | unsigned char *pindex; | |
8322 | unsigned char *ppool; | |
8323 | unsigned int version; | |
341f9135 | 8324 | unsigned int ncols = 0; |
657d0d47 CC |
8325 | unsigned int nused; |
8326 | unsigned int nslots; | |
8327 | unsigned int i; | |
341f9135 CC |
8328 | unsigned int j; |
8329 | dwarf_vma signature_high; | |
8330 | dwarf_vma signature_low; | |
8331 | char buf[64]; | |
657d0d47 | 8332 | |
6937bb54 NC |
8333 | /* PR 17512: file: 002-168123-0.004. */ |
8334 | if (phdr == NULL) | |
8335 | { | |
8336 | warn (_("Section %s is empty\n"), section->name); | |
8337 | return 0; | |
8338 | } | |
8339 | /* PR 17512: file: 002-376-0.004. */ | |
8340 | if (section->size < 24) | |
8341 | { | |
72c61a0d | 8342 | warn (_("Section %s is too small to contain a CU/TU header\n"), |
6937bb54 NC |
8343 | section->name); |
8344 | return 0; | |
8345 | } | |
8346 | ||
8347 | SAFE_BYTE_GET (version, phdr, 4, limit); | |
341f9135 | 8348 | if (version >= 2) |
6937bb54 NC |
8349 | SAFE_BYTE_GET (ncols, phdr + 4, 4, limit); |
8350 | SAFE_BYTE_GET (nused, phdr + 8, 4, limit); | |
8351 | SAFE_BYTE_GET (nslots, phdr + 12, 4, limit); | |
8352 | ||
657d0d47 CC |
8353 | phash = phdr + 16; |
8354 | pindex = phash + nslots * 8; | |
8355 | ppool = pindex + nslots * 4; | |
8356 | ||
57028622 | 8357 | /* PR 17531: file: 45d69832. */ |
03a91817 | 8358 | if (pindex < phash || ppool < phdr || (pindex == phash && nslots != 0)) |
57028622 NC |
8359 | { |
8360 | warn (_("Section %s is too small for %d slots\n"), | |
8361 | section->name, nslots); | |
8362 | return 0; | |
8363 | } | |
8364 | ||
657d0d47 CC |
8365 | if (do_display) |
8366 | { | |
8367 | printf (_("Contents of the %s section:\n\n"), section->name); | |
8368 | printf (_(" Version: %d\n"), version); | |
341f9135 CC |
8369 | if (version >= 2) |
8370 | printf (_(" Number of columns: %d\n"), ncols); | |
657d0d47 CC |
8371 | printf (_(" Number of used entries: %d\n"), nused); |
8372 | printf (_(" Number of slots: %d\n\n"), nslots); | |
8373 | } | |
8374 | ||
03a91817 | 8375 | if (ppool > limit || ppool < phdr) |
657d0d47 CC |
8376 | { |
8377 | warn (_("Section %s too small for %d hash table entries\n"), | |
8378 | section->name, nslots); | |
8379 | return 0; | |
8380 | } | |
8381 | ||
341f9135 | 8382 | if (version == 1) |
657d0d47 | 8383 | { |
341f9135 CC |
8384 | if (!do_display) |
8385 | prealloc_cu_tu_list ((limit - ppool) / 4); | |
8386 | for (i = 0; i < nslots; i++) | |
657d0d47 | 8387 | { |
341f9135 CC |
8388 | unsigned char *shndx_list; |
8389 | unsigned int shndx; | |
8390 | ||
6937bb54 | 8391 | SAFE_BYTE_GET64 (phash, &signature_high, &signature_low, limit); |
341f9135 | 8392 | if (signature_high != 0 || signature_low != 0) |
657d0d47 | 8393 | { |
6937bb54 | 8394 | SAFE_BYTE_GET (j, pindex, 4, limit); |
341f9135 | 8395 | shndx_list = ppool + j * 4; |
f3853b34 NC |
8396 | /* PR 17531: file: 705e010d. */ |
8397 | if (shndx_list < ppool) | |
8398 | { | |
8399 | warn (_("Section index pool located before start of section\n")); | |
8400 | return 0; | |
8401 | } | |
8402 | ||
341f9135 CC |
8403 | if (do_display) |
8404 | printf (_(" [%3d] Signature: 0x%s Sections: "), | |
8405 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
8406 | buf, sizeof (buf))); | |
8407 | for (;;) | |
657d0d47 | 8408 | { |
341f9135 CC |
8409 | if (shndx_list >= limit) |
8410 | { | |
8411 | warn (_("Section %s too small for shndx pool\n"), | |
8412 | section->name); | |
8413 | return 0; | |
8414 | } | |
6937bb54 | 8415 | SAFE_BYTE_GET (shndx, shndx_list, 4, limit); |
341f9135 CC |
8416 | if (shndx == 0) |
8417 | break; | |
8418 | if (do_display) | |
8419 | printf (" %d", shndx); | |
8420 | else | |
8421 | add_shndx_to_cu_tu_entry (shndx); | |
8422 | shndx_list += 4; | |
657d0d47 | 8423 | } |
657d0d47 | 8424 | if (do_display) |
341f9135 | 8425 | printf ("\n"); |
657d0d47 | 8426 | else |
341f9135 CC |
8427 | end_cu_tu_entry (); |
8428 | } | |
8429 | phash += 8; | |
8430 | pindex += 4; | |
8431 | } | |
8432 | } | |
8433 | else if (version == 2) | |
8434 | { | |
8435 | unsigned int val; | |
8436 | unsigned int dw_sect; | |
8437 | unsigned char *ph = phash; | |
8438 | unsigned char *pi = pindex; | |
8439 | unsigned char *poffsets = ppool + ncols * 4; | |
8440 | unsigned char *psizes = poffsets + nused * ncols * 4; | |
8441 | unsigned char *pend = psizes + nused * ncols * 4; | |
8442 | bfd_boolean is_tu_index; | |
8443 | struct cu_tu_set *this_set = NULL; | |
8444 | unsigned int row; | |
8445 | unsigned char *prow; | |
8446 | ||
8447 | is_tu_index = strcmp (section->name, ".debug_tu_index") == 0; | |
8448 | ||
362beea4 | 8449 | /* PR 17531: file: 0dd159bf. |
b4eb7656 | 8450 | Check for wraparound with an overlarge ncols value. */ |
c8071705 | 8451 | if (poffsets < ppool || (unsigned int) ((poffsets - ppool) / 4) != ncols) |
362beea4 NC |
8452 | { |
8453 | warn (_("Overlarge number of columns: %x\n"), ncols); | |
8454 | return 0; | |
8455 | } | |
8456 | ||
341f9135 CC |
8457 | if (pend > limit) |
8458 | { | |
8459 | warn (_("Section %s too small for offset and size tables\n"), | |
8460 | section->name); | |
8461 | return 0; | |
8462 | } | |
8463 | ||
8464 | if (do_display) | |
8465 | { | |
8466 | printf (_(" Offset table\n")); | |
8467 | printf (" slot %-16s ", | |
8468 | is_tu_index ? _("signature") : _("dwo_id")); | |
8469 | } | |
8470 | else | |
8471 | { | |
8472 | if (is_tu_index) | |
8473 | { | |
8474 | tu_count = nused; | |
72c61a0d | 8475 | tu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set)); |
341f9135 | 8476 | this_set = tu_sets; |
657d0d47 | 8477 | } |
657d0d47 | 8478 | else |
341f9135 CC |
8479 | { |
8480 | cu_count = nused; | |
72c61a0d | 8481 | cu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set)); |
341f9135 CC |
8482 | this_set = cu_sets; |
8483 | } | |
8484 | } | |
6937bb54 | 8485 | |
341f9135 CC |
8486 | if (do_display) |
8487 | { | |
8488 | for (j = 0; j < ncols; j++) | |
8489 | { | |
6937bb54 | 8490 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
341f9135 CC |
8491 | printf (" %8s", get_DW_SECT_short_name (dw_sect)); |
8492 | } | |
8493 | printf ("\n"); | |
8494 | } | |
6937bb54 | 8495 | |
341f9135 CC |
8496 | for (i = 0; i < nslots; i++) |
8497 | { | |
6937bb54 NC |
8498 | SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit); |
8499 | ||
8500 | SAFE_BYTE_GET (row, pi, 4, limit); | |
341f9135 CC |
8501 | if (row != 0) |
8502 | { | |
591f7597 | 8503 | /* PR 17531: file: a05f6ab3. */ |
ef77750e | 8504 | if (row > nused) |
591f7597 NC |
8505 | { |
8506 | warn (_("Row index (%u) is larger than number of used entries (%u)\n"), | |
8507 | row, nused); | |
8508 | return 0; | |
8509 | } | |
8510 | ||
341f9135 CC |
8511 | if (!do_display) |
8512 | memcpy (&this_set[row - 1].signature, ph, sizeof (uint64_t)); | |
6937bb54 | 8513 | |
341f9135 | 8514 | prow = poffsets + (row - 1) * ncols * 4; |
ffc0f143 NC |
8515 | /* PR 17531: file: b8ce60a8. */ |
8516 | if (prow < poffsets || prow > limit) | |
8517 | { | |
8518 | warn (_("Row index (%u) * num columns (%u) > space remaining in section\n"), | |
8519 | row, ncols); | |
8520 | return 0; | |
8521 | } | |
3aade688 | 8522 | |
341f9135 CC |
8523 | if (do_display) |
8524 | printf (_(" [%3d] 0x%s"), | |
8525 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
8526 | buf, sizeof (buf))); | |
8527 | for (j = 0; j < ncols; j++) | |
8528 | { | |
6937bb54 | 8529 | SAFE_BYTE_GET (val, prow + j * 4, 4, limit); |
341f9135 CC |
8530 | if (do_display) |
8531 | printf (" %8d", val); | |
8532 | else | |
8533 | { | |
6937bb54 | 8534 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
82b1b41b NC |
8535 | |
8536 | /* PR 17531: file: 10796eb3. */ | |
8537 | if (dw_sect >= DW_SECT_MAX) | |
8538 | warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect); | |
8539 | else | |
8540 | this_set [row - 1].section_offsets [dw_sect] = val; | |
341f9135 CC |
8541 | } |
8542 | } | |
6937bb54 | 8543 | |
341f9135 CC |
8544 | if (do_display) |
8545 | printf ("\n"); | |
8546 | } | |
8547 | ph += 8; | |
8548 | pi += 4; | |
8549 | } | |
8550 | ||
8551 | ph = phash; | |
8552 | pi = pindex; | |
8553 | if (do_display) | |
b4eb7656 | 8554 | { |
341f9135 CC |
8555 | printf ("\n"); |
8556 | printf (_(" Size table\n")); | |
8557 | printf (" slot %-16s ", | |
8558 | is_tu_index ? _("signature") : _("dwo_id")); | |
b4eb7656 | 8559 | } |
6937bb54 | 8560 | |
341f9135 CC |
8561 | for (j = 0; j < ncols; j++) |
8562 | { | |
6937bb54 | 8563 | SAFE_BYTE_GET (val, ppool + j * 4, 4, limit); |
341f9135 CC |
8564 | if (do_display) |
8565 | printf (" %8s", get_DW_SECT_short_name (val)); | |
8566 | } | |
6937bb54 | 8567 | |
341f9135 CC |
8568 | if (do_display) |
8569 | printf ("\n"); | |
6937bb54 | 8570 | |
341f9135 CC |
8571 | for (i = 0; i < nslots; i++) |
8572 | { | |
6937bb54 NC |
8573 | SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit); |
8574 | ||
8575 | SAFE_BYTE_GET (row, pi, 4, limit); | |
341f9135 CC |
8576 | if (row != 0) |
8577 | { | |
8578 | prow = psizes + (row - 1) * ncols * 4; | |
6937bb54 | 8579 | |
341f9135 CC |
8580 | if (do_display) |
8581 | printf (_(" [%3d] 0x%s"), | |
8582 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
8583 | buf, sizeof (buf))); | |
6937bb54 | 8584 | |
341f9135 CC |
8585 | for (j = 0; j < ncols; j++) |
8586 | { | |
6937bb54 | 8587 | SAFE_BYTE_GET (val, prow + j * 4, 4, limit); |
341f9135 CC |
8588 | if (do_display) |
8589 | printf (" %8d", val); | |
8590 | else | |
8591 | { | |
6937bb54 | 8592 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
82b1b41b NC |
8593 | if (dw_sect >= DW_SECT_MAX) |
8594 | warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect); | |
8595 | else | |
341f9135 CC |
8596 | this_set [row - 1].section_sizes [dw_sect] = val; |
8597 | } | |
8598 | } | |
6937bb54 | 8599 | |
341f9135 CC |
8600 | if (do_display) |
8601 | printf ("\n"); | |
8602 | } | |
6937bb54 | 8603 | |
341f9135 CC |
8604 | ph += 8; |
8605 | pi += 4; | |
657d0d47 | 8606 | } |
657d0d47 | 8607 | } |
341f9135 | 8608 | else if (do_display) |
6937bb54 | 8609 | printf (_(" Unsupported version (%d)\n"), version); |
657d0d47 CC |
8610 | |
8611 | if (do_display) | |
8612 | printf ("\n"); | |
8613 | ||
8614 | return 1; | |
8615 | } | |
8616 | ||
8617 | /* Load the CU and TU indexes if present. This will build a list of | |
8618 | section sets that we can use to associate a .debug_info.dwo section | |
8619 | with its associated .debug_abbrev.dwo section in a .dwp file. */ | |
8620 | ||
43a444f9 | 8621 | static bfd_boolean |
657d0d47 CC |
8622 | load_cu_tu_indexes (void *file) |
8623 | { | |
43a444f9 NC |
8624 | static int cu_tu_indexes_read = -1; /* Tri-state variable. */ |
8625 | ||
657d0d47 CC |
8626 | /* If we have already loaded (or tried to load) the CU and TU indexes |
8627 | then do not bother to repeat the task. */ | |
43a444f9 NC |
8628 | if (cu_tu_indexes_read == -1) |
8629 | { | |
8630 | cu_tu_indexes_read = TRUE; | |
8631 | ||
8632 | if (load_debug_section (dwp_cu_index, file)) | |
8633 | if (! process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0)) | |
8634 | cu_tu_indexes_read = FALSE; | |
8635 | ||
8636 | if (load_debug_section (dwp_tu_index, file)) | |
8637 | if (! process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0)) | |
8638 | cu_tu_indexes_read = FALSE; | |
8639 | } | |
657d0d47 | 8640 | |
43a444f9 | 8641 | return (bfd_boolean) cu_tu_indexes_read; |
657d0d47 CC |
8642 | } |
8643 | ||
8644 | /* Find the set of sections that includes section SHNDX. */ | |
8645 | ||
8646 | unsigned int * | |
8647 | find_cu_tu_set (void *file, unsigned int shndx) | |
8648 | { | |
8649 | unsigned int i; | |
8650 | ||
43a444f9 NC |
8651 | if (! load_cu_tu_indexes (file)) |
8652 | return NULL; | |
657d0d47 CC |
8653 | |
8654 | /* Find SHNDX in the shndx pool. */ | |
8655 | for (i = 0; i < shndx_pool_used; i++) | |
8656 | if (shndx_pool [i] == shndx) | |
8657 | break; | |
8658 | ||
8659 | if (i >= shndx_pool_used) | |
8660 | return NULL; | |
8661 | ||
8662 | /* Now backup to find the first entry in the set. */ | |
8663 | while (i > 0 && shndx_pool [i - 1] != 0) | |
8664 | i--; | |
8665 | ||
8666 | return shndx_pool + i; | |
8667 | } | |
8668 | ||
8669 | /* Display a .debug_cu_index or .debug_tu_index section. */ | |
8670 | ||
8671 | static int | |
8672 | display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED) | |
8673 | { | |
8674 | return process_cu_tu_index (section, 1); | |
8675 | } | |
8676 | ||
19e6b90e L |
8677 | static int |
8678 | display_debug_not_supported (struct dwarf_section *section, | |
8679 | void *file ATTRIBUTE_UNUSED) | |
8680 | { | |
8681 | printf (_("Displaying the debug contents of section %s is not yet supported.\n"), | |
8682 | section->name); | |
8683 | ||
8684 | return 1; | |
8685 | } | |
8686 | ||
1306a742 NC |
8687 | /* Like malloc, but takes two parameters like calloc. |
8688 | Verifies that the first parameter is not too large. | |
82b1b41b | 8689 | Note: does *not* initialise the allocated memory to zero. */ |
19e6b90e L |
8690 | void * |
8691 | cmalloc (size_t nmemb, size_t size) | |
8692 | { | |
8693 | /* Check for overflow. */ | |
8694 | if (nmemb >= ~(size_t) 0 / size) | |
8695 | return NULL; | |
82b1b41b NC |
8696 | |
8697 | return xmalloc (nmemb * size); | |
19e6b90e L |
8698 | } |
8699 | ||
1306a742 NC |
8700 | /* Like xmalloc, but takes two parameters like calloc. |
8701 | Verifies that the first parameter is not too large. | |
8702 | Note: does *not* initialise the allocated memory to zero. */ | |
72c61a0d | 8703 | void * |
1306a742 | 8704 | xcmalloc (size_t nmemb, size_t size) |
72c61a0d NC |
8705 | { |
8706 | /* Check for overflow. */ | |
8707 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 NC |
8708 | { |
8709 | fprintf (stderr, | |
8710 | _("Attempt to allocate an array with an excessive number of elements: 0x%lx\n"), | |
8711 | (long) nmemb); | |
8712 | xexit (1); | |
8713 | } | |
72c61a0d | 8714 | |
1306a742 | 8715 | return xmalloc (nmemb * size); |
72c61a0d NC |
8716 | } |
8717 | ||
1306a742 NC |
8718 | /* Like xrealloc, but takes three parameters. |
8719 | Verifies that the second parameter is not too large. | |
8720 | Note: does *not* initialise any new memory to zero. */ | |
19e6b90e | 8721 | void * |
1306a742 | 8722 | xcrealloc (void *ptr, size_t nmemb, size_t size) |
19e6b90e L |
8723 | { |
8724 | /* Check for overflow. */ | |
8725 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 NC |
8726 | { |
8727 | fprintf (stderr, | |
8728 | _("Attempt to re-allocate an array with an excessive number of elements: 0x%lx\n"), | |
8729 | (long) nmemb); | |
8730 | xexit (1); | |
8731 | } | |
82b1b41b | 8732 | |
1306a742 | 8733 | return xrealloc (ptr, nmemb * size); |
19e6b90e L |
8734 | } |
8735 | ||
1306a742 | 8736 | /* Like xcalloc, but verifies that the first parameter is not too large. */ |
19e6b90e | 8737 | void * |
1306a742 | 8738 | xcalloc2 (size_t nmemb, size_t size) |
19e6b90e L |
8739 | { |
8740 | /* Check for overflow. */ | |
8741 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 NC |
8742 | { |
8743 | fprintf (stderr, | |
8744 | _("Attempt to allocate a zero'ed array with an excessive number of elements: 0x%lx\n"), | |
8745 | (long) nmemb); | |
8746 | xexit (1); | |
8747 | } | |
82b1b41b | 8748 | |
1306a742 | 8749 | return xcalloc (nmemb, size); |
19e6b90e L |
8750 | } |
8751 | ||
19e6b90e L |
8752 | void |
8753 | free_debug_memory (void) | |
8754 | { | |
3f5e193b | 8755 | unsigned int i; |
19e6b90e L |
8756 | |
8757 | free_abbrevs (); | |
8758 | ||
8759 | for (i = 0; i < max; i++) | |
3f5e193b | 8760 | free_debug_section ((enum dwarf_section_display_enum) i); |
19e6b90e | 8761 | |
cc86f28f | 8762 | if (debug_information != NULL) |
19e6b90e | 8763 | { |
cc86f28f | 8764 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE) |
19e6b90e | 8765 | { |
cc86f28f | 8766 | for (i = 0; i < num_debug_info_entries; i++) |
19e6b90e | 8767 | { |
cc86f28f NC |
8768 | if (!debug_information [i].max_loc_offsets) |
8769 | { | |
8770 | free (debug_information [i].loc_offsets); | |
8771 | free (debug_information [i].have_frame_base); | |
8772 | } | |
8773 | if (!debug_information [i].max_range_lists) | |
8774 | free (debug_information [i].range_lists); | |
19e6b90e | 8775 | } |
19e6b90e L |
8776 | } |
8777 | free (debug_information); | |
8778 | debug_information = NULL; | |
82b1b41b | 8779 | alloc_num_debug_info_entries = num_debug_info_entries = 0; |
19e6b90e | 8780 | } |
19e6b90e L |
8781 | } |
8782 | ||
4cb93e3b TG |
8783 | void |
8784 | dwarf_select_sections_by_names (const char *names) | |
8785 | { | |
8786 | typedef struct | |
8787 | { | |
8788 | const char * option; | |
8789 | int * variable; | |
f9f0e732 | 8790 | int val; |
4cb93e3b TG |
8791 | } |
8792 | debug_dump_long_opts; | |
8793 | ||
8794 | static const debug_dump_long_opts opts_table [] = | |
8795 | { | |
8796 | /* Please keep this table alpha- sorted. */ | |
8797 | { "Ranges", & do_debug_ranges, 1 }, | |
8798 | { "abbrev", & do_debug_abbrevs, 1 }, | |
657d0d47 | 8799 | { "addr", & do_debug_addr, 1 }, |
4cb93e3b | 8800 | { "aranges", & do_debug_aranges, 1 }, |
657d0d47 CC |
8801 | { "cu_index", & do_debug_cu_index, 1 }, |
8802 | { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED }, | |
4cb93e3b TG |
8803 | { "frames", & do_debug_frames, 1 }, |
8804 | { "frames-interp", & do_debug_frames_interp, 1 }, | |
657d0d47 CC |
8805 | /* The special .gdb_index section. */ |
8806 | { "gdb_index", & do_gdb_index, 1 }, | |
4cb93e3b TG |
8807 | { "info", & do_debug_info, 1 }, |
8808 | { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */ | |
4cb93e3b TG |
8809 | { "loc", & do_debug_loc, 1 }, |
8810 | { "macro", & do_debug_macinfo, 1 }, | |
8811 | { "pubnames", & do_debug_pubnames, 1 }, | |
357da287 | 8812 | { "pubtypes", & do_debug_pubtypes, 1 }, |
222c2bf0 | 8813 | /* This entry is for compatibility |
4cb93e3b TG |
8814 | with earlier versions of readelf. */ |
8815 | { "ranges", & do_debug_aranges, 1 }, | |
657d0d47 | 8816 | { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, |
4cb93e3b | 8817 | { "str", & do_debug_str, 1 }, |
6f875884 TG |
8818 | /* These trace_* sections are used by Itanium VMS. */ |
8819 | { "trace_abbrev", & do_trace_abbrevs, 1 }, | |
8820 | { "trace_aranges", & do_trace_aranges, 1 }, | |
8821 | { "trace_info", & do_trace_info, 1 }, | |
4cb93e3b TG |
8822 | { NULL, NULL, 0 } |
8823 | }; | |
8824 | ||
8825 | const char *p; | |
467c65bc | 8826 | |
4cb93e3b TG |
8827 | p = names; |
8828 | while (*p) | |
8829 | { | |
8830 | const debug_dump_long_opts * entry; | |
467c65bc | 8831 | |
4cb93e3b TG |
8832 | for (entry = opts_table; entry->option; entry++) |
8833 | { | |
8834 | size_t len = strlen (entry->option); | |
467c65bc | 8835 | |
4cb93e3b TG |
8836 | if (strncmp (p, entry->option, len) == 0 |
8837 | && (p[len] == ',' || p[len] == '\0')) | |
8838 | { | |
8839 | * entry->variable |= entry->val; | |
467c65bc | 8840 | |
4cb93e3b TG |
8841 | /* The --debug-dump=frames-interp option also |
8842 | enables the --debug-dump=frames option. */ | |
8843 | if (do_debug_frames_interp) | |
8844 | do_debug_frames = 1; | |
8845 | ||
8846 | p += len; | |
8847 | break; | |
8848 | } | |
8849 | } | |
467c65bc | 8850 | |
4cb93e3b TG |
8851 | if (entry->option == NULL) |
8852 | { | |
8853 | warn (_("Unrecognized debug option '%s'\n"), p); | |
8854 | p = strchr (p, ','); | |
8855 | if (p == NULL) | |
8856 | break; | |
8857 | } | |
467c65bc | 8858 | |
4cb93e3b TG |
8859 | if (*p == ',') |
8860 | p++; | |
8861 | } | |
8862 | } | |
8863 | ||
8864 | void | |
8865 | dwarf_select_sections_by_letters (const char *letters) | |
8866 | { | |
91d6fa6a | 8867 | unsigned int lindex = 0; |
4cb93e3b | 8868 | |
91d6fa6a NC |
8869 | while (letters[lindex]) |
8870 | switch (letters[lindex++]) | |
4cb93e3b TG |
8871 | { |
8872 | case 'i': | |
8873 | do_debug_info = 1; | |
8874 | break; | |
467c65bc | 8875 | |
4cb93e3b TG |
8876 | case 'a': |
8877 | do_debug_abbrevs = 1; | |
8878 | break; | |
467c65bc | 8879 | |
4cb93e3b TG |
8880 | case 'l': |
8881 | do_debug_lines |= FLAG_DEBUG_LINES_RAW; | |
8882 | break; | |
467c65bc | 8883 | |
4cb93e3b TG |
8884 | case 'L': |
8885 | do_debug_lines |= FLAG_DEBUG_LINES_DECODED; | |
8886 | break; | |
467c65bc | 8887 | |
4cb93e3b TG |
8888 | case 'p': |
8889 | do_debug_pubnames = 1; | |
8890 | break; | |
467c65bc | 8891 | |
f9f0e732 NC |
8892 | case 't': |
8893 | do_debug_pubtypes = 1; | |
8894 | break; | |
467c65bc | 8895 | |
4cb93e3b TG |
8896 | case 'r': |
8897 | do_debug_aranges = 1; | |
8898 | break; | |
467c65bc | 8899 | |
4cb93e3b TG |
8900 | case 'R': |
8901 | do_debug_ranges = 1; | |
8902 | break; | |
467c65bc | 8903 | |
4cb93e3b TG |
8904 | case 'F': |
8905 | do_debug_frames_interp = 1; | |
1a0670f3 | 8906 | /* Fall through. */ |
4cb93e3b TG |
8907 | case 'f': |
8908 | do_debug_frames = 1; | |
8909 | break; | |
467c65bc | 8910 | |
4cb93e3b TG |
8911 | case 'm': |
8912 | do_debug_macinfo = 1; | |
8913 | break; | |
467c65bc | 8914 | |
4cb93e3b TG |
8915 | case 's': |
8916 | do_debug_str = 1; | |
8917 | break; | |
467c65bc | 8918 | |
4cb93e3b TG |
8919 | case 'o': |
8920 | do_debug_loc = 1; | |
8921 | break; | |
467c65bc | 8922 | |
4cb93e3b | 8923 | default: |
7cc78d07 | 8924 | warn (_("Unrecognized debug option '%s'\n"), letters); |
4cb93e3b TG |
8925 | break; |
8926 | } | |
8927 | } | |
8928 | ||
8929 | void | |
8930 | dwarf_select_sections_all (void) | |
8931 | { | |
8932 | do_debug_info = 1; | |
8933 | do_debug_abbrevs = 1; | |
8934 | do_debug_lines = FLAG_DEBUG_LINES_RAW; | |
8935 | do_debug_pubnames = 1; | |
f9f0e732 | 8936 | do_debug_pubtypes = 1; |
4cb93e3b TG |
8937 | do_debug_aranges = 1; |
8938 | do_debug_ranges = 1; | |
8939 | do_debug_frames = 1; | |
8940 | do_debug_macinfo = 1; | |
8941 | do_debug_str = 1; | |
8942 | do_debug_loc = 1; | |
5bbdf3d5 | 8943 | do_gdb_index = 1; |
6f875884 TG |
8944 | do_trace_info = 1; |
8945 | do_trace_abbrevs = 1; | |
8946 | do_trace_aranges = 1; | |
657d0d47 CC |
8947 | do_debug_addr = 1; |
8948 | do_debug_cu_index = 1; | |
4cb93e3b TG |
8949 | } |
8950 | ||
19e6b90e L |
8951 | struct dwarf_section_display debug_displays[] = |
8952 | { | |
d1c4b12b NC |
8953 | { { ".debug_abbrev", ".zdebug_abbrev", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, |
8954 | display_debug_abbrev, &do_debug_abbrevs, FALSE }, | |
8955 | { { ".debug_aranges", ".zdebug_aranges", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
8956 | display_debug_aranges, &do_debug_aranges, TRUE }, | |
8957 | { { ".debug_frame", ".zdebug_frame", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
8958 | display_debug_frames, &do_debug_frames, TRUE }, | |
8959 | { { ".debug_info", ".zdebug_info", NULL, NULL, 0, 0, abbrev, NULL, 0, NULL }, | |
8960 | display_debug_info, &do_debug_info, TRUE }, | |
8961 | { { ".debug_line", ".zdebug_line", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
8962 | display_debug_lines, &do_debug_lines, TRUE }, | |
8963 | { { ".debug_pubnames", ".zdebug_pubnames", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
8964 | display_debug_pubnames, &do_debug_pubnames, FALSE }, | |
8965 | { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
8966 | display_debug_gnu_pubnames, &do_debug_pubnames, FALSE }, | |
8967 | { { ".eh_frame", "", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
8968 | display_debug_frames, &do_debug_frames, TRUE }, | |
8969 | { { ".debug_macinfo", ".zdebug_macinfo", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
8970 | display_debug_macinfo, &do_debug_macinfo, FALSE }, | |
8971 | { { ".debug_macro", ".zdebug_macro", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
8972 | display_debug_macro, &do_debug_macinfo, TRUE }, | |
8973 | { { ".debug_str", ".zdebug_str", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
8974 | display_debug_str, &do_debug_str, FALSE }, | |
77145576 JK |
8975 | { { ".debug_line_str", ".zdebug_line_str", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, |
8976 | display_debug_str, &do_debug_str, FALSE }, | |
d1c4b12b NC |
8977 | { { ".debug_loc", ".zdebug_loc", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, |
8978 | display_debug_loc, &do_debug_loc, TRUE }, | |
77145576 JK |
8979 | { { ".debug_loclists", ".zdebug_loclists", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, |
8980 | display_debug_loc, &do_debug_loc, TRUE }, | |
d1c4b12b NC |
8981 | { { ".debug_pubtypes", ".zdebug_pubtypes", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, |
8982 | display_debug_pubnames, &do_debug_pubtypes, FALSE }, | |
8983 | { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
8984 | display_debug_gnu_pubnames, &do_debug_pubtypes, FALSE }, | |
8985 | { { ".debug_ranges", ".zdebug_ranges", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
8986 | display_debug_ranges, &do_debug_ranges, TRUE }, | |
77145576 JK |
8987 | { { ".debug_rnglists", ".zdebug_rnglists", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, |
8988 | display_debug_ranges, &do_debug_ranges, TRUE }, | |
d1c4b12b NC |
8989 | { { ".debug_static_func", ".zdebug_static_func", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, |
8990 | display_debug_not_supported, NULL, FALSE }, | |
8991 | { { ".debug_static_vars", ".zdebug_static_vars", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
8992 | display_debug_not_supported, NULL, FALSE }, | |
8993 | { { ".debug_types", ".zdebug_types", NULL, NULL, 0, 0, abbrev, NULL, 0, NULL }, | |
8994 | display_debug_types, &do_debug_info, TRUE }, | |
8995 | { { ".debug_weaknames", ".zdebug_weaknames", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
8996 | display_debug_not_supported, NULL, FALSE }, | |
8997 | { { ".gdb_index", "", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
8998 | display_gdb_index, &do_gdb_index, FALSE }, | |
61364358 JK |
8999 | { { ".debug_names", "", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, |
9000 | display_debug_names, &do_gdb_index, FALSE }, | |
d1c4b12b NC |
9001 | { { ".trace_info", "", NULL, NULL, 0, 0, trace_abbrev, NULL, 0, NULL }, |
9002 | display_trace_info, &do_trace_info, TRUE }, | |
9003 | { { ".trace_abbrev", "", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
9004 | display_debug_abbrev, &do_trace_abbrevs, FALSE }, | |
9005 | { { ".trace_aranges", "", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
9006 | display_debug_aranges, &do_trace_aranges, FALSE }, | |
9007 | { { ".debug_info.dwo", ".zdebug_info.dwo", NULL, NULL, 0, 0, abbrev_dwo, NULL, 0, NULL }, | |
9008 | display_debug_info, &do_debug_info, TRUE }, | |
9009 | { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
9010 | display_debug_abbrev, &do_debug_abbrevs, FALSE }, | |
9011 | { { ".debug_types.dwo", ".zdebug_types.dwo", NULL, NULL, 0, 0, abbrev_dwo, NULL, 0, NULL }, | |
9012 | display_debug_types, &do_debug_info, TRUE }, | |
9013 | { { ".debug_line.dwo", ".zdebug_line.dwo", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
9014 | display_debug_lines, &do_debug_lines, TRUE }, | |
9015 | { { ".debug_loc.dwo", ".zdebug_loc.dwo", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
9016 | display_debug_loc, &do_debug_loc, TRUE }, | |
9017 | { { ".debug_macro.dwo", ".zdebug_macro.dwo", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
9018 | display_debug_macro, &do_debug_macinfo, TRUE }, | |
9019 | { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
9020 | display_debug_macinfo, &do_debug_macinfo, FALSE }, | |
9021 | { { ".debug_str.dwo", ".zdebug_str.dwo", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
9022 | display_debug_str, &do_debug_str, TRUE }, | |
9023 | { { ".debug_str_offsets", ".zdebug_str_offsets", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
9024 | display_debug_str_offsets, NULL, FALSE }, | |
9025 | { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
9026 | display_debug_str_offsets, NULL, FALSE }, | |
9027 | { { ".debug_addr", ".zdebug_addr", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
9028 | display_debug_addr, &do_debug_addr, TRUE }, | |
9029 | { { ".debug_cu_index", "", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
9030 | display_cu_index, &do_debug_cu_index, FALSE }, | |
9031 | { { ".debug_tu_index", "", NULL, NULL, 0, 0, 0, NULL, 0, NULL }, | |
9032 | display_cu_index, &do_debug_cu_index, FALSE }, | |
19e6b90e | 9033 | }; |
b451e98a JK |
9034 | |
9035 | /* A static assertion. */ | |
9036 | extern int debug_displays_assert[ARRAY_SIZE (debug_displays) == max ? 1 : -1]; |