Commit | Line | Data |
---|---|---|
19e6b90e | 1 | /* dwarf.c -- display DWARF contents of a BFD binary file |
219d1afa | 2 | Copyright (C) 2005-2018 Free Software Foundation, Inc. |
19e6b90e L |
3 | |
4 | This file is part of GNU Binutils. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
32866df7 | 8 | the Free Software Foundation; either version 3 of the License, or |
19e6b90e L |
9 | (at your option) any later version. |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA | |
19 | 02110-1301, USA. */ | |
20 | ||
3db64b00 | 21 | #include "sysdep.h" |
19e6b90e | 22 | #include "libiberty.h" |
3db64b00 | 23 | #include "bfd.h" |
5bbdf3d5 | 24 | #include "bfd_stdint.h" |
3db64b00 | 25 | #include "bucomm.h" |
3284fe0c | 26 | #include "elfcomm.h" |
2dc4cec1 | 27 | #include "elf/common.h" |
fa8f86ff | 28 | #include "dwarf2.h" |
3db64b00 | 29 | #include "dwarf.h" |
8d6eee87 | 30 | #include "gdb/gdb-index.h" |
dda8d76d | 31 | #include "filenames.h" |
61364358 JK |
32 | #include <assert.h> |
33 | ||
34 | #undef MAX | |
35 | #undef MIN | |
36 | #define MAX(a, b) ((a) > (b) ? (a) : (b)) | |
37 | #define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
19e6b90e | 38 | |
18464d4d JK |
39 | static const char *regname (unsigned int regno, int row); |
40 | ||
19e6b90e L |
41 | static int have_frame_base; |
42 | static int need_base_address; | |
43 | ||
19e6b90e | 44 | static unsigned int num_debug_info_entries = 0; |
82b1b41b | 45 | static unsigned int alloc_num_debug_info_entries = 0; |
19e6b90e | 46 | static debug_info *debug_information = NULL; |
cc86f28f NC |
47 | /* Special value for num_debug_info_entries to indicate |
48 | that the .debug_info section could not be loaded/parsed. */ | |
49 | #define DEBUG_INFO_UNAVAILABLE (unsigned int) -1 | |
19e6b90e | 50 | |
d85bf2ba NC |
51 | static const char * dwo_name; |
52 | static const char * dwo_dir; | |
53 | static const unsigned char * dwo_id; | |
54 | static bfd_size_type dwo_id_len; | |
55 | static bfd_boolean need_dwo_info; | |
56 | ||
77ef8654 | 57 | unsigned int eh_addr_size; |
19e6b90e L |
58 | |
59 | int do_debug_info; | |
60 | int do_debug_abbrevs; | |
61 | int do_debug_lines; | |
62 | int do_debug_pubnames; | |
f9f0e732 | 63 | int do_debug_pubtypes; |
19e6b90e L |
64 | int do_debug_aranges; |
65 | int do_debug_ranges; | |
66 | int do_debug_frames; | |
67 | int do_debug_frames_interp; | |
68 | int do_debug_macinfo; | |
69 | int do_debug_str; | |
70 | int do_debug_loc; | |
5bbdf3d5 | 71 | int do_gdb_index; |
6f875884 TG |
72 | int do_trace_info; |
73 | int do_trace_abbrevs; | |
74 | int do_trace_aranges; | |
657d0d47 CC |
75 | int do_debug_addr; |
76 | int do_debug_cu_index; | |
a262ae96 | 77 | int do_wide; |
dda8d76d NC |
78 | int do_debug_links; |
79 | int do_follow_links; | |
19e6b90e | 80 | |
fd2f0033 TT |
81 | int dwarf_cutoff_level = -1; |
82 | unsigned long dwarf_start_die; | |
83 | ||
4723351a CC |
84 | int dwarf_check = 0; |
85 | ||
9f272209 AO |
86 | /* Convenient constant, to avoid having to cast -1 to dwarf_vma when |
87 | testing whether e.g. a locview list is present. */ | |
88 | static const dwarf_vma vm1 = -1; | |
89 | ||
341f9135 CC |
90 | /* Collection of CU/TU section sets from .debug_cu_index and .debug_tu_index |
91 | sections. For version 1 package files, each set is stored in SHNDX_POOL | |
92 | as a zero-terminated list of section indexes comprising one set of debug | |
93 | sections from a .dwo file. */ | |
94 | ||
341f9135 CC |
95 | static unsigned int *shndx_pool = NULL; |
96 | static unsigned int shndx_pool_size = 0; | |
97 | static unsigned int shndx_pool_used = 0; | |
98 | ||
dda8d76d NC |
99 | /* Pointer to a separate file containing extra debug information. */ |
100 | static void * separate_debug_file = NULL; | |
101 | static const char * separate_debug_filename = NULL; | |
102 | ||
341f9135 CC |
103 | /* For version 2 package files, each set contains an array of section offsets |
104 | and an array of section sizes, giving the offset and size of the | |
105 | contribution from a CU or TU within one of the debug sections. | |
106 | When displaying debug info from a package file, we need to use these | |
107 | tables to locate the corresponding contributions to each section. */ | |
108 | ||
109 | struct cu_tu_set | |
110 | { | |
111 | uint64_t signature; | |
112 | dwarf_vma section_offsets[DW_SECT_MAX]; | |
113 | size_t section_sizes[DW_SECT_MAX]; | |
114 | }; | |
115 | ||
116 | static int cu_count = 0; | |
117 | static int tu_count = 0; | |
118 | static struct cu_tu_set *cu_sets = NULL; | |
119 | static struct cu_tu_set *tu_sets = NULL; | |
120 | ||
43a444f9 | 121 | static bfd_boolean load_cu_tu_indexes (void *); |
341f9135 | 122 | |
4cb93e3b TG |
123 | /* Values for do_debug_lines. */ |
124 | #define FLAG_DEBUG_LINES_RAW 1 | |
125 | #define FLAG_DEBUG_LINES_DECODED 2 | |
126 | ||
77ef8654 | 127 | static unsigned int |
f1c4cc75 RH |
128 | size_of_encoded_value (int encoding) |
129 | { | |
130 | switch (encoding & 0x7) | |
131 | { | |
132 | default: /* ??? */ | |
133 | case 0: return eh_addr_size; | |
134 | case 2: return 2; | |
135 | case 3: return 4; | |
136 | case 4: return 8; | |
137 | } | |
138 | } | |
139 | ||
140 | static dwarf_vma | |
041830e0 | 141 | get_encoded_value (unsigned char **pdata, |
bad62cf5 | 142 | int encoding, |
041830e0 NC |
143 | struct dwarf_section *section, |
144 | unsigned char * end) | |
f1c4cc75 | 145 | { |
041830e0 | 146 | unsigned char * data = * pdata; |
6937bb54 | 147 | unsigned int size = size_of_encoded_value (encoding); |
bad62cf5 | 148 | dwarf_vma val; |
f1c4cc75 | 149 | |
041830e0 NC |
150 | if (data + size >= end) |
151 | { | |
152 | warn (_("Encoded value extends past end of section\n")); | |
153 | * pdata = end; | |
154 | return 0; | |
155 | } | |
156 | ||
6937bb54 NC |
157 | /* PR 17512: file: 002-829853-0.004. */ |
158 | if (size > 8) | |
159 | { | |
160 | warn (_("Encoded size of %d is too large to read\n"), size); | |
161 | * pdata = end; | |
162 | return 0; | |
163 | } | |
164 | ||
0a9d414a NC |
165 | /* PR 17512: file: 1085-5603-0.004. */ |
166 | if (size == 0) | |
167 | { | |
168 | warn (_("Encoded size of 0 is too small to read\n")); | |
169 | * pdata = end; | |
170 | return 0; | |
171 | } | |
172 | ||
f1c4cc75 | 173 | if (encoding & DW_EH_PE_signed) |
bad62cf5 | 174 | val = byte_get_signed (data, size); |
f1c4cc75 | 175 | else |
bad62cf5 AM |
176 | val = byte_get (data, size); |
177 | ||
178 | if ((encoding & 0x70) == DW_EH_PE_pcrel) | |
179 | val += section->address + (data - section->start); | |
041830e0 NC |
180 | |
181 | * pdata = data + size; | |
bad62cf5 | 182 | return val; |
f1c4cc75 RH |
183 | } |
184 | ||
4c219c2e AM |
185 | #if defined HAVE_LONG_LONG && SIZEOF_LONG_LONG > SIZEOF_LONG |
186 | # ifndef __MINGW32__ | |
187 | # define DWARF_VMA_FMT "ll" | |
188 | # define DWARF_VMA_FMT_LONG "%16.16llx" | |
189 | # else | |
190 | # define DWARF_VMA_FMT "I64" | |
191 | # define DWARF_VMA_FMT_LONG "%016I64x" | |
192 | # endif | |
2e14fae2 | 193 | #else |
4c219c2e AM |
194 | # define DWARF_VMA_FMT "l" |
195 | # define DWARF_VMA_FMT_LONG "%16.16lx" | |
2d9472a2 NC |
196 | #endif |
197 | ||
bf5117e3 NC |
198 | /* Convert a dwarf vma value into a string. Returns a pointer to a static |
199 | buffer containing the converted VALUE. The value is converted according | |
200 | to the printf formating character FMTCH. If NUM_BYTES is non-zero then | |
201 | it specifies the maximum number of bytes to be displayed in the converted | |
202 | value and FMTCH is ignored - hex is always used. */ | |
467c65bc | 203 | |
47704ddf | 204 | static const char * |
bf5117e3 | 205 | dwarf_vmatoa_1 (const char *fmtch, dwarf_vma value, unsigned num_bytes) |
47704ddf KT |
206 | { |
207 | /* As dwarf_vmatoa is used more then once in a printf call | |
208 | for output, we are cycling through an fixed array of pointers | |
209 | for return address. */ | |
210 | static int buf_pos = 0; | |
467c65bc NC |
211 | static struct dwarf_vmatoa_buf |
212 | { | |
47704ddf KT |
213 | char place[64]; |
214 | } buf[16]; | |
47704ddf KT |
215 | char *ret; |
216 | ||
47704ddf | 217 | ret = buf[buf_pos++].place; |
467c65bc | 218 | buf_pos %= ARRAY_SIZE (buf); |
47704ddf | 219 | |
bf5117e3 NC |
220 | if (num_bytes) |
221 | { | |
222c2bf0 | 222 | /* Printf does not have a way of specifying a maximum field width for an |
bf5117e3 NC |
223 | integer value, so we print the full value into a buffer and then select |
224 | the precision we need. */ | |
225 | snprintf (ret, sizeof (buf[0].place), DWARF_VMA_FMT_LONG, value); | |
226 | if (num_bytes > 8) | |
227 | num_bytes = 8; | |
228 | return ret + (16 - 2 * num_bytes); | |
229 | } | |
230 | else | |
231 | { | |
232 | char fmt[32]; | |
233 | ||
0bae9e9e NC |
234 | if (fmtch) |
235 | sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch); | |
236 | else | |
237 | sprintf (fmt, "%%%s", DWARF_VMA_FMT); | |
bf5117e3 NC |
238 | snprintf (ret, sizeof (buf[0].place), fmt, value); |
239 | return ret; | |
240 | } | |
241 | } | |
47704ddf | 242 | |
bf5117e3 NC |
243 | static inline const char * |
244 | dwarf_vmatoa (const char * fmtch, dwarf_vma value) | |
245 | { | |
246 | return dwarf_vmatoa_1 (fmtch, value, 0); | |
247 | } | |
248 | ||
249 | /* Print a dwarf_vma value (typically an address, offset or length) in | |
250 | hexadecimal format, followed by a space. The length of the VALUE (and | |
251 | hence the precision displayed) is determined by the NUM_BYTES parameter. */ | |
252 | ||
253 | static void | |
254 | print_dwarf_vma (dwarf_vma value, unsigned num_bytes) | |
255 | { | |
256 | printf ("%s ", dwarf_vmatoa_1 (NULL, value, num_bytes)); | |
47704ddf KT |
257 | } |
258 | ||
9f272209 AO |
259 | /* Print a view number in hexadecimal value, with the same width |
260 | print_dwarf_vma would have printed it with the same num_bytes. | |
261 | Print blanks for zero view, unless force is nonzero. */ | |
262 | ||
263 | static void | |
264 | print_dwarf_view (dwarf_vma value, unsigned num_bytes, int force) | |
265 | { | |
266 | int len; | |
267 | if (!num_bytes) | |
268 | len = 4; | |
269 | else | |
270 | len = num_bytes * 2; | |
271 | ||
272 | assert (value == (unsigned long) value); | |
273 | if (value || force) | |
274 | printf ("v%0*lx ", len - 1, (unsigned long) value); | |
275 | else | |
276 | printf ("%*s", len + 1, ""); | |
277 | } | |
278 | ||
74bc6052 CC |
279 | /* Format a 64-bit value, given as two 32-bit values, in hex. |
280 | For reentrancy, this uses a buffer provided by the caller. */ | |
281 | ||
282 | static const char * | |
283 | dwarf_vmatoa64 (dwarf_vma hvalue, dwarf_vma lvalue, char *buf, | |
284 | unsigned int buf_len) | |
285 | { | |
286 | int len = 0; | |
287 | ||
288 | if (hvalue == 0) | |
289 | snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", lvalue); | |
290 | else | |
291 | { | |
292 | len = snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", hvalue); | |
293 | snprintf (buf + len, buf_len - len, | |
294 | "%08" DWARF_VMA_FMT "x", lvalue); | |
295 | } | |
296 | ||
297 | return buf; | |
298 | } | |
299 | ||
f6f0e17b NC |
300 | /* Read in a LEB128 encoded value starting at address DATA. |
301 | If SIGN is true, return a signed LEB128 value. | |
302 | If LENGTH_RETURN is not NULL, return in it the number of bytes read. | |
303 | No bytes will be read at address END or beyond. */ | |
304 | ||
467c65bc | 305 | dwarf_vma |
f6f0e17b NC |
306 | read_leb128 (unsigned char *data, |
307 | unsigned int *length_return, | |
308 | bfd_boolean sign, | |
309 | const unsigned char * const end) | |
19e6b90e | 310 | { |
467c65bc | 311 | dwarf_vma result = 0; |
19e6b90e L |
312 | unsigned int num_read = 0; |
313 | unsigned int shift = 0; | |
f6f0e17b | 314 | unsigned char byte = 0; |
19e6b90e | 315 | |
f6f0e17b | 316 | while (data < end) |
19e6b90e L |
317 | { |
318 | byte = *data++; | |
319 | num_read++; | |
320 | ||
467c65bc | 321 | result |= ((dwarf_vma) (byte & 0x7f)) << shift; |
19e6b90e L |
322 | |
323 | shift += 7; | |
f6f0e17b NC |
324 | if ((byte & 0x80) == 0) |
325 | break; | |
77ef8654 NC |
326 | |
327 | /* PR 17512: file: 0ca183b8. | |
328 | FIXME: Should we signal this error somehow ? */ | |
f641dd96 | 329 | if (shift >= sizeof (result) * 8) |
77ef8654 | 330 | break; |
19e6b90e | 331 | } |
19e6b90e L |
332 | |
333 | if (length_return != NULL) | |
334 | *length_return = num_read; | |
335 | ||
336 | if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40)) | |
c4e0beac | 337 | result |= -((dwarf_vma) 1 << shift); |
19e6b90e L |
338 | |
339 | return result; | |
340 | } | |
341 | ||
467c65bc | 342 | /* Create a signed version to avoid painful typecasts. */ |
f6f0e17b NC |
343 | static inline dwarf_signed_vma |
344 | read_sleb128 (unsigned char * data, | |
345 | unsigned int * length_return, | |
346 | const unsigned char * const end) | |
347 | { | |
348 | return (dwarf_signed_vma) read_leb128 (data, length_return, TRUE, end); | |
349 | } | |
350 | ||
351 | static inline dwarf_vma | |
352 | read_uleb128 (unsigned char * data, | |
353 | unsigned int * length_return, | |
354 | const unsigned char * const end) | |
467c65bc | 355 | { |
f6f0e17b | 356 | return read_leb128 (data, length_return, FALSE, end); |
467c65bc NC |
357 | } |
358 | ||
7f2c8a1d NC |
359 | #define SKIP_ULEB() read_uleb128 (start, & length_return, end); start += length_return |
360 | #define SKIP_SLEB() read_sleb128 (start, & length_return, end); start += length_return | |
361 | ||
362 | #define READ_ULEB(var) \ | |
363 | do \ | |
364 | { \ | |
365 | dwarf_vma _val; \ | |
366 | \ | |
367 | (var) = _val = read_uleb128 (start, &length_return, end); \ | |
368 | if ((var) != _val) \ | |
66cfc0fd AM |
369 | error (_("Internal error: %s:%d: LEB value (%s) " \ |
370 | "too large for containing variable\n"), \ | |
371 | __FILE__, __LINE__, dwarf_vmatoa ("u", _val)); \ | |
7f2c8a1d NC |
372 | start += length_return; \ |
373 | } \ | |
374 | while (0) | |
375 | ||
376 | #define READ_SLEB(var) \ | |
377 | do \ | |
378 | { \ | |
379 | dwarf_signed_vma _val; \ | |
380 | \ | |
381 | (var) = _val = read_sleb128 (start, &length_return, end); \ | |
382 | if ((var) != _val) \ | |
66cfc0fd AM |
383 | error (_("Internal error: %s:%d: LEB value (%s) " \ |
384 | "too large for containing variable\n"), \ | |
385 | __FILE__, __LINE__, dwarf_vmatoa ("d", _val)); \ | |
7f2c8a1d NC |
386 | start += length_return; \ |
387 | } \ | |
388 | while (0) | |
389 | ||
d11ae95e NC |
390 | /* Read AMOUNT bytes from PTR and store them in VAL as an unsigned value. |
391 | Checks to make sure that the read will not reach or pass END | |
392 | and that VAL is big enough to hold AMOUNT bytes. */ | |
0c588247 NC |
393 | #define SAFE_BYTE_GET(VAL, PTR, AMOUNT, END) \ |
394 | do \ | |
395 | { \ | |
396 | unsigned int amount = (AMOUNT); \ | |
34b9f729 NC |
397 | if (sizeof (VAL) < amount) \ |
398 | { \ | |
d3a49aa8 AM |
399 | error (ngettext ("internal error: attempt to read %d byte " \ |
400 | "of data in to %d sized variable", \ | |
401 | "internal error: attempt to read %d bytes " \ | |
402 | "of data in to %d sized variable", \ | |
403 | amount), \ | |
34b9f729 NC |
404 | amount, (int) sizeof (VAL)); \ |
405 | amount = sizeof (VAL); \ | |
406 | } \ | |
0c588247 NC |
407 | if (((PTR) + amount) >= (END)) \ |
408 | { \ | |
409 | if ((PTR) < (END)) \ | |
410 | amount = (END) - (PTR); \ | |
411 | else \ | |
412 | amount = 0; \ | |
413 | } \ | |
6937bb54 | 414 | if (amount == 0 || amount > 8) \ |
0c588247 | 415 | VAL = 0; \ |
6937bb54 NC |
416 | else \ |
417 | VAL = byte_get ((PTR), amount); \ | |
0c588247 NC |
418 | } \ |
419 | while (0) | |
420 | ||
d11ae95e | 421 | /* Like SAFE_BYTE_GET, but also increments PTR by AMOUNT. */ |
0c588247 NC |
422 | #define SAFE_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \ |
423 | do \ | |
424 | { \ | |
425 | SAFE_BYTE_GET (VAL, PTR, AMOUNT, END); \ | |
426 | PTR += AMOUNT; \ | |
427 | } \ | |
428 | while (0) | |
429 | ||
d11ae95e | 430 | /* Like SAFE_BYTE_GET, but reads a signed value. */ |
0c588247 NC |
431 | #define SAFE_SIGNED_BYTE_GET(VAL, PTR, AMOUNT, END) \ |
432 | do \ | |
433 | { \ | |
434 | unsigned int amount = (AMOUNT); \ | |
435 | if (((PTR) + amount) >= (END)) \ | |
436 | { \ | |
437 | if ((PTR) < (END)) \ | |
438 | amount = (END) - (PTR); \ | |
439 | else \ | |
440 | amount = 0; \ | |
441 | } \ | |
442 | if (amount) \ | |
443 | VAL = byte_get_signed ((PTR), amount); \ | |
444 | else \ | |
445 | VAL = 0; \ | |
446 | } \ | |
447 | while (0) | |
448 | ||
d11ae95e | 449 | /* Like SAFE_SIGNED_BYTE_GET, but also increments PTR by AMOUNT. */ |
0c588247 NC |
450 | #define SAFE_SIGNED_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \ |
451 | do \ | |
452 | { \ | |
453 | SAFE_SIGNED_BYTE_GET (VAL, PTR, AMOUNT, END); \ | |
454 | PTR += AMOUNT; \ | |
455 | } \ | |
456 | while (0) | |
457 | ||
458 | #define SAFE_BYTE_GET64(PTR, HIGH, LOW, END) \ | |
459 | do \ | |
460 | { \ | |
87bc83b3 | 461 | if (((PTR) + 8) <= (END)) \ |
0c588247 NC |
462 | { \ |
463 | byte_get_64 ((PTR), (HIGH), (LOW)); \ | |
464 | } \ | |
465 | else \ | |
466 | { \ | |
0c588247 NC |
467 | * (LOW) = * (HIGH) = 0; \ |
468 | } \ | |
469 | } \ | |
470 | while (0) | |
471 | ||
19e6b90e L |
472 | typedef struct State_Machine_Registers |
473 | { | |
467c65bc | 474 | dwarf_vma address; |
ba8826a8 | 475 | unsigned int view; |
19e6b90e L |
476 | unsigned int file; |
477 | unsigned int line; | |
478 | unsigned int column; | |
479 | int is_stmt; | |
480 | int basic_block; | |
a233b20c JJ |
481 | unsigned char op_index; |
482 | unsigned char end_sequence; | |
ba8826a8 AO |
483 | /* This variable hold the number of the last entry seen |
484 | in the File Table. */ | |
19e6b90e L |
485 | unsigned int last_file_entry; |
486 | } SMR; | |
487 | ||
488 | static SMR state_machine_regs; | |
489 | ||
490 | static void | |
491 | reset_state_machine (int is_stmt) | |
492 | { | |
493 | state_machine_regs.address = 0; | |
ba8826a8 | 494 | state_machine_regs.view = 0; |
a233b20c | 495 | state_machine_regs.op_index = 0; |
19e6b90e L |
496 | state_machine_regs.file = 1; |
497 | state_machine_regs.line = 1; | |
498 | state_machine_regs.column = 0; | |
499 | state_machine_regs.is_stmt = is_stmt; | |
500 | state_machine_regs.basic_block = 0; | |
501 | state_machine_regs.end_sequence = 0; | |
502 | state_machine_regs.last_file_entry = 0; | |
503 | } | |
504 | ||
505 | /* Handled an extend line op. | |
506 | Returns the number of bytes read. */ | |
507 | ||
508 | static int | |
f6f0e17b NC |
509 | process_extended_line_op (unsigned char * data, |
510 | int is_stmt, | |
511 | unsigned char * end) | |
19e6b90e L |
512 | { |
513 | unsigned char op_code; | |
514 | unsigned int bytes_read; | |
515 | unsigned int len; | |
516 | unsigned char *name; | |
143a3db0 | 517 | unsigned char *orig_data = data; |
f6f0e17b | 518 | dwarf_vma adr; |
19e6b90e | 519 | |
f6f0e17b | 520 | len = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
521 | data += bytes_read; |
522 | ||
e44c58ce | 523 | if (len == 0 || data == end || len > (uintptr_t) (end - data)) |
19e6b90e | 524 | { |
f41e4712 | 525 | warn (_("Badly formed extended line op encountered!\n")); |
19e6b90e L |
526 | return bytes_read; |
527 | } | |
528 | ||
529 | len += bytes_read; | |
530 | op_code = *data++; | |
531 | ||
532 | printf (_(" Extended opcode %d: "), op_code); | |
533 | ||
534 | switch (op_code) | |
535 | { | |
536 | case DW_LNE_end_sequence: | |
537 | printf (_("End of Sequence\n\n")); | |
538 | reset_state_machine (is_stmt); | |
539 | break; | |
540 | ||
541 | case DW_LNE_set_address: | |
6937bb54 NC |
542 | /* PR 17512: file: 002-100480-0.004. */ |
543 | if (len - bytes_read - 1 > 8) | |
77ef8654 NC |
544 | { |
545 | warn (_("Length (%d) of DW_LNE_set_address op is too long\n"), | |
546 | len - bytes_read - 1); | |
547 | adr = 0; | |
548 | } | |
549 | else | |
550 | SAFE_BYTE_GET (adr, data, len - bytes_read - 1, end); | |
47704ddf | 551 | printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr)); |
19e6b90e | 552 | state_machine_regs.address = adr; |
ba8826a8 | 553 | state_machine_regs.view = 0; |
a233b20c | 554 | state_machine_regs.op_index = 0; |
19e6b90e L |
555 | break; |
556 | ||
557 | case DW_LNE_define_file: | |
143a3db0 | 558 | printf (_("define new File Table entry\n")); |
19e6b90e | 559 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); |
cc5914eb | 560 | printf (" %d\t", ++state_machine_regs.last_file_entry); |
f6f0e17b | 561 | |
d949ff56 NC |
562 | { |
563 | size_t l; | |
564 | ||
565 | name = data; | |
566 | l = strnlen ((char *) data, end - data); | |
567 | data += len + 1; | |
568 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
569 | data += bytes_read; | |
570 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
571 | data += bytes_read; | |
572 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
573 | data += bytes_read; | |
574 | printf ("%.*s\n\n", (int) l, name); | |
575 | } | |
f6f0e17b NC |
576 | |
577 | if (((unsigned int) (data - orig_data) != len) || data == end) | |
b4eb7656 | 578 | warn (_("DW_LNE_define_file: Bad opcode length\n")); |
19e6b90e L |
579 | break; |
580 | ||
ed4a4bdf | 581 | case DW_LNE_set_discriminator: |
47704ddf | 582 | printf (_("set Discriminator to %s\n"), |
f6f0e17b | 583 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); |
ed4a4bdf CC |
584 | break; |
585 | ||
e2a0d921 NC |
586 | /* HP extensions. */ |
587 | case DW_LNE_HP_negate_is_UV_update: | |
ed4a4bdf | 588 | printf ("DW_LNE_HP_negate_is_UV_update\n"); |
e2a0d921 NC |
589 | break; |
590 | case DW_LNE_HP_push_context: | |
ed4a4bdf | 591 | printf ("DW_LNE_HP_push_context\n"); |
e2a0d921 NC |
592 | break; |
593 | case DW_LNE_HP_pop_context: | |
ed4a4bdf | 594 | printf ("DW_LNE_HP_pop_context\n"); |
e2a0d921 NC |
595 | break; |
596 | case DW_LNE_HP_set_file_line_column: | |
ed4a4bdf | 597 | printf ("DW_LNE_HP_set_file_line_column\n"); |
e2a0d921 NC |
598 | break; |
599 | case DW_LNE_HP_set_routine_name: | |
ed4a4bdf | 600 | printf ("DW_LNE_HP_set_routine_name\n"); |
e2a0d921 NC |
601 | break; |
602 | case DW_LNE_HP_set_sequence: | |
ed4a4bdf | 603 | printf ("DW_LNE_HP_set_sequence\n"); |
e2a0d921 NC |
604 | break; |
605 | case DW_LNE_HP_negate_post_semantics: | |
ed4a4bdf | 606 | printf ("DW_LNE_HP_negate_post_semantics\n"); |
e2a0d921 NC |
607 | break; |
608 | case DW_LNE_HP_negate_function_exit: | |
ed4a4bdf | 609 | printf ("DW_LNE_HP_negate_function_exit\n"); |
e2a0d921 NC |
610 | break; |
611 | case DW_LNE_HP_negate_front_end_logical: | |
ed4a4bdf | 612 | printf ("DW_LNE_HP_negate_front_end_logical\n"); |
e2a0d921 NC |
613 | break; |
614 | case DW_LNE_HP_define_proc: | |
ed4a4bdf | 615 | printf ("DW_LNE_HP_define_proc\n"); |
e2a0d921 | 616 | break; |
43294ab7 TG |
617 | case DW_LNE_HP_source_file_correlation: |
618 | { | |
b4eb7656 AM |
619 | unsigned char *edata = data + len - bytes_read - 1; |
620 | ||
621 | printf ("DW_LNE_HP_source_file_correlation\n"); | |
622 | ||
623 | while (data < edata) | |
624 | { | |
625 | unsigned int opc; | |
626 | ||
627 | opc = read_uleb128 (data, & bytes_read, edata); | |
628 | data += bytes_read; | |
629 | ||
630 | switch (opc) | |
631 | { | |
632 | case DW_LNE_HP_SFC_formfeed: | |
633 | printf (" DW_LNE_HP_SFC_formfeed\n"); | |
634 | break; | |
635 | case DW_LNE_HP_SFC_set_listing_line: | |
636 | printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n", | |
637 | dwarf_vmatoa ("u", | |
638 | read_uleb128 (data, & bytes_read, edata))); | |
639 | data += bytes_read; | |
640 | break; | |
641 | case DW_LNE_HP_SFC_associate: | |
642 | printf (" DW_LNE_HP_SFC_associate "); | |
643 | printf ("(%s", | |
644 | dwarf_vmatoa ("u", | |
645 | read_uleb128 (data, & bytes_read, edata))); | |
646 | data += bytes_read; | |
647 | printf (",%s", | |
648 | dwarf_vmatoa ("u", | |
649 | read_uleb128 (data, & bytes_read, edata))); | |
650 | data += bytes_read; | |
651 | printf (",%s)\n", | |
652 | dwarf_vmatoa ("u", | |
653 | read_uleb128 (data, & bytes_read, edata))); | |
654 | data += bytes_read; | |
655 | break; | |
656 | default: | |
657 | printf (_(" UNKNOWN DW_LNE_HP_SFC opcode (%u)\n"), opc); | |
658 | data = edata; | |
659 | break; | |
660 | } | |
661 | } | |
43294ab7 TG |
662 | } |
663 | break; | |
cecf136e | 664 | |
19e6b90e | 665 | default: |
7e665af3 | 666 | { |
b4eb7656 AM |
667 | unsigned int rlen = len - bytes_read - 1; |
668 | ||
669 | if (op_code >= DW_LNE_lo_user | |
670 | /* The test against DW_LNW_hi_user is redundant due to | |
671 | the limited range of the unsigned char data type used | |
672 | for op_code. */ | |
673 | /*&& op_code <= DW_LNE_hi_user*/) | |
674 | printf (_("user defined: ")); | |
675 | else | |
676 | printf (_("UNKNOWN: ")); | |
677 | printf (_("length %d ["), rlen); | |
678 | for (; rlen; rlen--) | |
679 | printf (" %02x", *data++); | |
680 | printf ("]\n"); | |
7e665af3 | 681 | } |
19e6b90e L |
682 | break; |
683 | } | |
684 | ||
685 | return len; | |
686 | } | |
687 | ||
0c588247 | 688 | static const unsigned char * |
467c65bc | 689 | fetch_indirect_string (dwarf_vma offset) |
19e6b90e L |
690 | { |
691 | struct dwarf_section *section = &debug_displays [str].section; | |
d949ff56 | 692 | const unsigned char * ret; |
19e6b90e L |
693 | |
694 | if (section->start == NULL) | |
0c588247 | 695 | return (const unsigned char *) _("<no .debug_str section>"); |
19e6b90e | 696 | |
d949ff56 | 697 | if (offset >= section->size) |
19e6b90e | 698 | { |
467c65bc NC |
699 | warn (_("DW_FORM_strp offset too big: %s\n"), |
700 | dwarf_vmatoa ("x", offset)); | |
0c588247 | 701 | return (const unsigned char *) _("<offset is too big>"); |
19e6b90e L |
702 | } |
703 | ||
d949ff56 NC |
704 | ret = section->start + offset; |
705 | /* Unfortunately we cannot rely upon the .debug_str section ending with a | |
706 | NUL byte. Since our caller is expecting to receive a well formed C | |
707 | string we test for the lack of a terminating byte here. */ | |
708 | if (strnlen ((const char *) ret, section->size - offset) | |
709 | == section->size - offset) | |
710 | ret = (const unsigned char *) | |
711 | _("<no NUL byte at end of .debug_str section>"); | |
712 | ||
713 | return ret; | |
19e6b90e L |
714 | } |
715 | ||
77145576 JK |
716 | static const unsigned char * |
717 | fetch_indirect_line_string (dwarf_vma offset) | |
718 | { | |
719 | struct dwarf_section *section = &debug_displays [line_str].section; | |
d949ff56 | 720 | const unsigned char * ret; |
77145576 JK |
721 | |
722 | if (section->start == NULL) | |
723 | return (const unsigned char *) _("<no .debug_line_str section>"); | |
724 | ||
d949ff56 | 725 | if (offset >= section->size) |
77145576 JK |
726 | { |
727 | warn (_("DW_FORM_line_strp offset too big: %s\n"), | |
728 | dwarf_vmatoa ("x", offset)); | |
729 | return (const unsigned char *) _("<offset is too big>"); | |
730 | } | |
731 | ||
d949ff56 NC |
732 | ret = section->start + offset; |
733 | /* Unfortunately we cannot rely upon the .debug_line_str section ending | |
734 | with a NUL byte. Since our caller is expecting to receive a well formed | |
735 | C string we test for the lack of a terminating byte here. */ | |
736 | if (strnlen ((const char *) ret, section->size - offset) | |
737 | == section->size - offset) | |
738 | ret = (const unsigned char *) | |
739 | _("<no NUL byte at end of .debug_line_str section>"); | |
740 | ||
741 | return ret; | |
77145576 JK |
742 | } |
743 | ||
4723351a | 744 | static const char * |
341f9135 | 745 | fetch_indexed_string (dwarf_vma idx, struct cu_tu_set *this_set, |
d85bf2ba | 746 | dwarf_vma offset_size, bfd_boolean dwo) |
4723351a CC |
747 | { |
748 | enum dwarf_section_display_enum str_sec_idx = dwo ? str_dwo : str; | |
749 | enum dwarf_section_display_enum idx_sec_idx = dwo ? str_index_dwo : str_index; | |
750 | struct dwarf_section *index_section = &debug_displays [idx_sec_idx].section; | |
751 | struct dwarf_section *str_section = &debug_displays [str_sec_idx].section; | |
752 | dwarf_vma index_offset = idx * offset_size; | |
753 | dwarf_vma str_offset; | |
d949ff56 | 754 | const char * ret; |
4723351a CC |
755 | |
756 | if (index_section->start == NULL) | |
757 | return (dwo ? _("<no .debug_str_offsets.dwo section>") | |
758 | : _("<no .debug_str_offsets section>")); | |
759 | ||
341f9135 CC |
760 | if (this_set != NULL) |
761 | index_offset += this_set->section_offsets [DW_SECT_STR_OFFSETS]; | |
d949ff56 | 762 | if (index_offset >= index_section->size) |
4723351a CC |
763 | { |
764 | warn (_("DW_FORM_GNU_str_index offset too big: %s\n"), | |
765 | dwarf_vmatoa ("x", index_offset)); | |
766 | return _("<index offset is too big>"); | |
767 | } | |
768 | ||
769 | if (str_section->start == NULL) | |
770 | return (dwo ? _("<no .debug_str.dwo section>") | |
771 | : _("<no .debug_str section>")); | |
772 | ||
773 | str_offset = byte_get (index_section->start + index_offset, offset_size); | |
774 | str_offset -= str_section->address; | |
d949ff56 | 775 | if (str_offset >= str_section->size) |
4723351a CC |
776 | { |
777 | warn (_("DW_FORM_GNU_str_index indirect offset too big: %s\n"), | |
778 | dwarf_vmatoa ("x", str_offset)); | |
779 | return _("<indirect index offset is too big>"); | |
780 | } | |
781 | ||
d949ff56 NC |
782 | ret = (const char *) str_section->start + str_offset; |
783 | /* Unfortunately we cannot rely upon str_section ending with a NUL byte. | |
784 | Since our caller is expecting to receive a well formed C string we test | |
785 | for the lack of a terminating byte here. */ | |
786 | if (strnlen (ret, str_section->size - str_offset) | |
787 | == str_section->size - str_offset) | |
788 | ret = (const char *) _("<no NUL byte at end of section>"); | |
789 | ||
790 | return ret; | |
4723351a CC |
791 | } |
792 | ||
793 | static const char * | |
794 | fetch_indexed_value (dwarf_vma offset, dwarf_vma bytes) | |
795 | { | |
796 | struct dwarf_section *section = &debug_displays [debug_addr].section; | |
797 | ||
798 | if (section->start == NULL) | |
799 | return (_("<no .debug_addr section>")); | |
800 | ||
801 | if (offset + bytes > section->size) | |
802 | { | |
803 | warn (_("Offset into section %s too big: %s\n"), | |
b4eb7656 | 804 | section->name, dwarf_vmatoa ("x", offset)); |
4723351a CC |
805 | return "<offset too big>"; |
806 | } | |
807 | ||
808 | return dwarf_vmatoa ("x", byte_get (section->start + offset, bytes)); | |
809 | } | |
810 | ||
811 | ||
19e6b90e L |
812 | /* FIXME: There are better and more efficient ways to handle |
813 | these structures. For now though, I just want something that | |
814 | is simple to implement. */ | |
815 | typedef struct abbrev_attr | |
816 | { | |
817 | unsigned long attribute; | |
818 | unsigned long form; | |
77145576 | 819 | bfd_signed_vma implicit_const; |
19e6b90e L |
820 | struct abbrev_attr *next; |
821 | } | |
822 | abbrev_attr; | |
823 | ||
824 | typedef struct abbrev_entry | |
825 | { | |
826 | unsigned long entry; | |
827 | unsigned long tag; | |
828 | int children; | |
829 | struct abbrev_attr *first_attr; | |
830 | struct abbrev_attr *last_attr; | |
831 | struct abbrev_entry *next; | |
832 | } | |
833 | abbrev_entry; | |
834 | ||
835 | static abbrev_entry *first_abbrev = NULL; | |
836 | static abbrev_entry *last_abbrev = NULL; | |
837 | ||
838 | static void | |
839 | free_abbrevs (void) | |
840 | { | |
91d6fa6a | 841 | abbrev_entry *abbrv; |
19e6b90e | 842 | |
91d6fa6a | 843 | for (abbrv = first_abbrev; abbrv;) |
19e6b90e | 844 | { |
91d6fa6a | 845 | abbrev_entry *next_abbrev = abbrv->next; |
19e6b90e L |
846 | abbrev_attr *attr; |
847 | ||
91d6fa6a | 848 | for (attr = abbrv->first_attr; attr;) |
19e6b90e | 849 | { |
91d6fa6a | 850 | abbrev_attr *next_attr = attr->next; |
19e6b90e L |
851 | |
852 | free (attr); | |
91d6fa6a | 853 | attr = next_attr; |
19e6b90e L |
854 | } |
855 | ||
91d6fa6a NC |
856 | free (abbrv); |
857 | abbrv = next_abbrev; | |
19e6b90e L |
858 | } |
859 | ||
860 | last_abbrev = first_abbrev = NULL; | |
861 | } | |
862 | ||
863 | static void | |
864 | add_abbrev (unsigned long number, unsigned long tag, int children) | |
865 | { | |
866 | abbrev_entry *entry; | |
867 | ||
3f5e193b | 868 | entry = (abbrev_entry *) malloc (sizeof (*entry)); |
19e6b90e L |
869 | if (entry == NULL) |
870 | /* ugg */ | |
871 | return; | |
872 | ||
873 | entry->entry = number; | |
874 | entry->tag = tag; | |
875 | entry->children = children; | |
876 | entry->first_attr = NULL; | |
877 | entry->last_attr = NULL; | |
878 | entry->next = NULL; | |
879 | ||
880 | if (first_abbrev == NULL) | |
881 | first_abbrev = entry; | |
882 | else | |
883 | last_abbrev->next = entry; | |
884 | ||
885 | last_abbrev = entry; | |
886 | } | |
887 | ||
888 | static void | |
77145576 JK |
889 | add_abbrev_attr (unsigned long attribute, unsigned long form, |
890 | bfd_signed_vma implicit_const) | |
19e6b90e L |
891 | { |
892 | abbrev_attr *attr; | |
893 | ||
3f5e193b | 894 | attr = (abbrev_attr *) malloc (sizeof (*attr)); |
19e6b90e L |
895 | if (attr == NULL) |
896 | /* ugg */ | |
897 | return; | |
898 | ||
899 | attr->attribute = attribute; | |
900 | attr->form = form; | |
77145576 | 901 | attr->implicit_const = implicit_const; |
19e6b90e L |
902 | attr->next = NULL; |
903 | ||
904 | if (last_abbrev->first_attr == NULL) | |
905 | last_abbrev->first_attr = attr; | |
906 | else | |
907 | last_abbrev->last_attr->next = attr; | |
908 | ||
909 | last_abbrev->last_attr = attr; | |
910 | } | |
911 | ||
912 | /* Processes the (partial) contents of a .debug_abbrev section. | |
913 | Returns NULL if the end of the section was encountered. | |
914 | Returns the address after the last byte read if the end of | |
915 | an abbreviation set was found. */ | |
916 | ||
917 | static unsigned char * | |
918 | process_abbrev_section (unsigned char *start, unsigned char *end) | |
919 | { | |
920 | if (first_abbrev != NULL) | |
921 | return NULL; | |
922 | ||
923 | while (start < end) | |
924 | { | |
925 | unsigned int bytes_read; | |
926 | unsigned long entry; | |
927 | unsigned long tag; | |
928 | unsigned long attribute; | |
929 | int children; | |
930 | ||
f6f0e17b | 931 | entry = read_uleb128 (start, & bytes_read, end); |
19e6b90e L |
932 | start += bytes_read; |
933 | ||
934 | /* A single zero is supposed to end the section according | |
935 | to the standard. If there's more, then signal that to | |
936 | the caller. */ | |
f6f0e17b NC |
937 | if (start == end) |
938 | return NULL; | |
19e6b90e | 939 | if (entry == 0) |
f6f0e17b | 940 | return start; |
19e6b90e | 941 | |
f6f0e17b | 942 | tag = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 943 | start += bytes_read; |
f6f0e17b NC |
944 | if (start == end) |
945 | return NULL; | |
19e6b90e L |
946 | |
947 | children = *start++; | |
948 | ||
949 | add_abbrev (entry, tag, children); | |
950 | ||
951 | do | |
952 | { | |
953 | unsigned long form; | |
77145576 JK |
954 | /* Initialize it due to a false compiler warning. */ |
955 | bfd_signed_vma implicit_const = -1; | |
19e6b90e | 956 | |
f6f0e17b | 957 | attribute = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 958 | start += bytes_read; |
f6f0e17b NC |
959 | if (start == end) |
960 | break; | |
19e6b90e | 961 | |
f6f0e17b | 962 | form = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 963 | start += bytes_read; |
f6f0e17b NC |
964 | if (start == end) |
965 | break; | |
19e6b90e | 966 | |
77145576 JK |
967 | if (form == DW_FORM_implicit_const) |
968 | { | |
969 | implicit_const = read_sleb128 (start, & bytes_read, end); | |
970 | start += bytes_read; | |
971 | if (start == end) | |
972 | break; | |
973 | } | |
974 | ||
975 | add_abbrev_attr (attribute, form, implicit_const); | |
19e6b90e L |
976 | } |
977 | while (attribute != 0); | |
978 | } | |
979 | ||
399c99f7 L |
980 | /* Report the missing single zero which ends the section. */ |
981 | error (_(".debug_abbrev section not zero terminated\n")); | |
982 | ||
19e6b90e L |
983 | return NULL; |
984 | } | |
985 | ||
a19c41a7 | 986 | static const char * |
19e6b90e L |
987 | get_TAG_name (unsigned long tag) |
988 | { | |
04914e37 | 989 | const char *name = get_DW_TAG_name ((unsigned int) tag); |
a19c41a7 TT |
990 | |
991 | if (name == NULL) | |
19e6b90e | 992 | { |
a19c41a7 | 993 | static char buffer[100]; |
19e6b90e | 994 | |
04914e37 NC |
995 | if (tag >= DW_TAG_lo_user && tag <= DW_TAG_hi_user) |
996 | snprintf (buffer, sizeof (buffer), _("User TAG value: %#lx"), tag); | |
997 | else | |
998 | snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %#lx"), tag); | |
a19c41a7 | 999 | return buffer; |
19e6b90e | 1000 | } |
a19c41a7 TT |
1001 | |
1002 | return name; | |
19e6b90e L |
1003 | } |
1004 | ||
a19c41a7 | 1005 | static const char * |
19e6b90e L |
1006 | get_FORM_name (unsigned long form) |
1007 | { | |
399c99f7 | 1008 | const char *name; |
bf5117e3 | 1009 | |
399c99f7 L |
1010 | if (form == 0) |
1011 | return "DW_FORM value: 0"; | |
a19c41a7 | 1012 | |
399c99f7 | 1013 | name = get_DW_FORM_name (form); |
a19c41a7 | 1014 | if (name == NULL) |
19e6b90e | 1015 | { |
a19c41a7 | 1016 | static char buffer[100]; |
19e6b90e | 1017 | |
a19c41a7 TT |
1018 | snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form); |
1019 | return buffer; | |
19e6b90e | 1020 | } |
a19c41a7 TT |
1021 | |
1022 | return name; | |
19e6b90e L |
1023 | } |
1024 | ||
61364358 JK |
1025 | static const char * |
1026 | get_IDX_name (unsigned long idx) | |
1027 | { | |
1028 | const char *name = get_DW_IDX_name ((unsigned int) idx); | |
1029 | ||
1030 | if (name == NULL) | |
1031 | { | |
1032 | static char buffer[100]; | |
1033 | ||
1034 | snprintf (buffer, sizeof (buffer), _("Unknown IDX value: %lx"), idx); | |
1035 | return buffer; | |
1036 | } | |
1037 | ||
1038 | return name; | |
1039 | } | |
1040 | ||
19e6b90e | 1041 | static unsigned char * |
0c588247 NC |
1042 | display_block (unsigned char *data, |
1043 | dwarf_vma length, | |
ef0b5f1c | 1044 | const unsigned char * const end, char delimiter) |
19e6b90e | 1045 | { |
0c588247 NC |
1046 | dwarf_vma maxlen; |
1047 | ||
ef0b5f1c | 1048 | printf (_("%c%s byte block: "), delimiter, dwarf_vmatoa ("u", length)); |
a1165289 NC |
1049 | if (data > end) |
1050 | return (unsigned char *) end; | |
19e6b90e | 1051 | |
0c588247 NC |
1052 | maxlen = (dwarf_vma) (end - data); |
1053 | length = length > maxlen ? maxlen : length; | |
1054 | ||
19e6b90e L |
1055 | while (length --) |
1056 | printf ("%lx ", (unsigned long) byte_get (data++, 1)); | |
1057 | ||
1058 | return data; | |
1059 | } | |
1060 | ||
1061 | static int | |
1062 | decode_location_expression (unsigned char * data, | |
1063 | unsigned int pointer_size, | |
b7807392 JJ |
1064 | unsigned int offset_size, |
1065 | int dwarf_version, | |
467c65bc NC |
1066 | dwarf_vma length, |
1067 | dwarf_vma cu_offset, | |
f1c4cc75 | 1068 | struct dwarf_section * section) |
19e6b90e L |
1069 | { |
1070 | unsigned op; | |
1071 | unsigned int bytes_read; | |
467c65bc | 1072 | dwarf_vma uvalue; |
0c588247 | 1073 | dwarf_signed_vma svalue; |
19e6b90e L |
1074 | unsigned char *end = data + length; |
1075 | int need_frame_base = 0; | |
1076 | ||
1077 | while (data < end) | |
1078 | { | |
1079 | op = *data++; | |
1080 | ||
1081 | switch (op) | |
1082 | { | |
1083 | case DW_OP_addr: | |
0c588247 NC |
1084 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
1085 | printf ("DW_OP_addr: %s", dwarf_vmatoa ("x", uvalue)); | |
19e6b90e L |
1086 | break; |
1087 | case DW_OP_deref: | |
1088 | printf ("DW_OP_deref"); | |
1089 | break; | |
1090 | case DW_OP_const1u: | |
0c588247 NC |
1091 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1092 | printf ("DW_OP_const1u: %lu", (unsigned long) uvalue); | |
19e6b90e L |
1093 | break; |
1094 | case DW_OP_const1s: | |
0c588247 NC |
1095 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 1, end); |
1096 | printf ("DW_OP_const1s: %ld", (long) svalue); | |
19e6b90e L |
1097 | break; |
1098 | case DW_OP_const2u: | |
87bc83b3 | 1099 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
0c588247 | 1100 | printf ("DW_OP_const2u: %lu", (unsigned long) uvalue); |
19e6b90e L |
1101 | break; |
1102 | case DW_OP_const2s: | |
0c588247 NC |
1103 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1104 | printf ("DW_OP_const2s: %ld", (long) svalue); | |
19e6b90e L |
1105 | break; |
1106 | case DW_OP_const4u: | |
0c588247 NC |
1107 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
1108 | printf ("DW_OP_const4u: %lu", (unsigned long) uvalue); | |
19e6b90e L |
1109 | break; |
1110 | case DW_OP_const4s: | |
0c588247 NC |
1111 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
1112 | printf ("DW_OP_const4s: %ld", (long) svalue); | |
19e6b90e L |
1113 | break; |
1114 | case DW_OP_const8u: | |
0c588247 NC |
1115 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
1116 | printf ("DW_OP_const8u: %lu ", (unsigned long) uvalue); | |
1117 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); | |
1118 | printf ("%lu", (unsigned long) uvalue); | |
19e6b90e L |
1119 | break; |
1120 | case DW_OP_const8s: | |
0c588247 NC |
1121 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
1122 | printf ("DW_OP_const8s: %ld ", (long) svalue); | |
1123 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); | |
1124 | printf ("%ld", (long) svalue); | |
19e6b90e L |
1125 | break; |
1126 | case DW_OP_constu: | |
467c65bc | 1127 | printf ("DW_OP_constu: %s", |
f6f0e17b | 1128 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
1129 | data += bytes_read; |
1130 | break; | |
1131 | case DW_OP_consts: | |
467c65bc | 1132 | printf ("DW_OP_consts: %s", |
f6f0e17b | 1133 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1134 | data += bytes_read; |
1135 | break; | |
1136 | case DW_OP_dup: | |
1137 | printf ("DW_OP_dup"); | |
1138 | break; | |
1139 | case DW_OP_drop: | |
1140 | printf ("DW_OP_drop"); | |
1141 | break; | |
1142 | case DW_OP_over: | |
1143 | printf ("DW_OP_over"); | |
1144 | break; | |
1145 | case DW_OP_pick: | |
0c588247 NC |
1146 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1147 | printf ("DW_OP_pick: %ld", (unsigned long) uvalue); | |
19e6b90e L |
1148 | break; |
1149 | case DW_OP_swap: | |
1150 | printf ("DW_OP_swap"); | |
1151 | break; | |
1152 | case DW_OP_rot: | |
1153 | printf ("DW_OP_rot"); | |
1154 | break; | |
1155 | case DW_OP_xderef: | |
1156 | printf ("DW_OP_xderef"); | |
1157 | break; | |
1158 | case DW_OP_abs: | |
1159 | printf ("DW_OP_abs"); | |
1160 | break; | |
1161 | case DW_OP_and: | |
1162 | printf ("DW_OP_and"); | |
1163 | break; | |
1164 | case DW_OP_div: | |
1165 | printf ("DW_OP_div"); | |
1166 | break; | |
1167 | case DW_OP_minus: | |
1168 | printf ("DW_OP_minus"); | |
1169 | break; | |
1170 | case DW_OP_mod: | |
1171 | printf ("DW_OP_mod"); | |
1172 | break; | |
1173 | case DW_OP_mul: | |
1174 | printf ("DW_OP_mul"); | |
1175 | break; | |
1176 | case DW_OP_neg: | |
1177 | printf ("DW_OP_neg"); | |
1178 | break; | |
1179 | case DW_OP_not: | |
1180 | printf ("DW_OP_not"); | |
1181 | break; | |
1182 | case DW_OP_or: | |
1183 | printf ("DW_OP_or"); | |
1184 | break; | |
1185 | case DW_OP_plus: | |
1186 | printf ("DW_OP_plus"); | |
1187 | break; | |
1188 | case DW_OP_plus_uconst: | |
467c65bc | 1189 | printf ("DW_OP_plus_uconst: %s", |
f6f0e17b | 1190 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
1191 | data += bytes_read; |
1192 | break; | |
1193 | case DW_OP_shl: | |
1194 | printf ("DW_OP_shl"); | |
1195 | break; | |
1196 | case DW_OP_shr: | |
1197 | printf ("DW_OP_shr"); | |
1198 | break; | |
1199 | case DW_OP_shra: | |
1200 | printf ("DW_OP_shra"); | |
1201 | break; | |
1202 | case DW_OP_xor: | |
1203 | printf ("DW_OP_xor"); | |
1204 | break; | |
1205 | case DW_OP_bra: | |
0c588247 NC |
1206 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1207 | printf ("DW_OP_bra: %ld", (long) svalue); | |
19e6b90e L |
1208 | break; |
1209 | case DW_OP_eq: | |
1210 | printf ("DW_OP_eq"); | |
1211 | break; | |
1212 | case DW_OP_ge: | |
1213 | printf ("DW_OP_ge"); | |
1214 | break; | |
1215 | case DW_OP_gt: | |
1216 | printf ("DW_OP_gt"); | |
1217 | break; | |
1218 | case DW_OP_le: | |
1219 | printf ("DW_OP_le"); | |
1220 | break; | |
1221 | case DW_OP_lt: | |
1222 | printf ("DW_OP_lt"); | |
1223 | break; | |
1224 | case DW_OP_ne: | |
1225 | printf ("DW_OP_ne"); | |
1226 | break; | |
1227 | case DW_OP_skip: | |
0c588247 NC |
1228 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1229 | printf ("DW_OP_skip: %ld", (long) svalue); | |
19e6b90e L |
1230 | break; |
1231 | ||
1232 | case DW_OP_lit0: | |
1233 | case DW_OP_lit1: | |
1234 | case DW_OP_lit2: | |
1235 | case DW_OP_lit3: | |
1236 | case DW_OP_lit4: | |
1237 | case DW_OP_lit5: | |
1238 | case DW_OP_lit6: | |
1239 | case DW_OP_lit7: | |
1240 | case DW_OP_lit8: | |
1241 | case DW_OP_lit9: | |
1242 | case DW_OP_lit10: | |
1243 | case DW_OP_lit11: | |
1244 | case DW_OP_lit12: | |
1245 | case DW_OP_lit13: | |
1246 | case DW_OP_lit14: | |
1247 | case DW_OP_lit15: | |
1248 | case DW_OP_lit16: | |
1249 | case DW_OP_lit17: | |
1250 | case DW_OP_lit18: | |
1251 | case DW_OP_lit19: | |
1252 | case DW_OP_lit20: | |
1253 | case DW_OP_lit21: | |
1254 | case DW_OP_lit22: | |
1255 | case DW_OP_lit23: | |
1256 | case DW_OP_lit24: | |
1257 | case DW_OP_lit25: | |
1258 | case DW_OP_lit26: | |
1259 | case DW_OP_lit27: | |
1260 | case DW_OP_lit28: | |
1261 | case DW_OP_lit29: | |
1262 | case DW_OP_lit30: | |
1263 | case DW_OP_lit31: | |
1264 | printf ("DW_OP_lit%d", op - DW_OP_lit0); | |
1265 | break; | |
1266 | ||
1267 | case DW_OP_reg0: | |
1268 | case DW_OP_reg1: | |
1269 | case DW_OP_reg2: | |
1270 | case DW_OP_reg3: | |
1271 | case DW_OP_reg4: | |
1272 | case DW_OP_reg5: | |
1273 | case DW_OP_reg6: | |
1274 | case DW_OP_reg7: | |
1275 | case DW_OP_reg8: | |
1276 | case DW_OP_reg9: | |
1277 | case DW_OP_reg10: | |
1278 | case DW_OP_reg11: | |
1279 | case DW_OP_reg12: | |
1280 | case DW_OP_reg13: | |
1281 | case DW_OP_reg14: | |
1282 | case DW_OP_reg15: | |
1283 | case DW_OP_reg16: | |
1284 | case DW_OP_reg17: | |
1285 | case DW_OP_reg18: | |
1286 | case DW_OP_reg19: | |
1287 | case DW_OP_reg20: | |
1288 | case DW_OP_reg21: | |
1289 | case DW_OP_reg22: | |
1290 | case DW_OP_reg23: | |
1291 | case DW_OP_reg24: | |
1292 | case DW_OP_reg25: | |
1293 | case DW_OP_reg26: | |
1294 | case DW_OP_reg27: | |
1295 | case DW_OP_reg28: | |
1296 | case DW_OP_reg29: | |
1297 | case DW_OP_reg30: | |
1298 | case DW_OP_reg31: | |
18464d4d JK |
1299 | printf ("DW_OP_reg%d (%s)", op - DW_OP_reg0, |
1300 | regname (op - DW_OP_reg0, 1)); | |
19e6b90e L |
1301 | break; |
1302 | ||
1303 | case DW_OP_breg0: | |
1304 | case DW_OP_breg1: | |
1305 | case DW_OP_breg2: | |
1306 | case DW_OP_breg3: | |
1307 | case DW_OP_breg4: | |
1308 | case DW_OP_breg5: | |
1309 | case DW_OP_breg6: | |
1310 | case DW_OP_breg7: | |
1311 | case DW_OP_breg8: | |
1312 | case DW_OP_breg9: | |
1313 | case DW_OP_breg10: | |
1314 | case DW_OP_breg11: | |
1315 | case DW_OP_breg12: | |
1316 | case DW_OP_breg13: | |
1317 | case DW_OP_breg14: | |
1318 | case DW_OP_breg15: | |
1319 | case DW_OP_breg16: | |
1320 | case DW_OP_breg17: | |
1321 | case DW_OP_breg18: | |
1322 | case DW_OP_breg19: | |
1323 | case DW_OP_breg20: | |
1324 | case DW_OP_breg21: | |
1325 | case DW_OP_breg22: | |
1326 | case DW_OP_breg23: | |
1327 | case DW_OP_breg24: | |
1328 | case DW_OP_breg25: | |
1329 | case DW_OP_breg26: | |
1330 | case DW_OP_breg27: | |
1331 | case DW_OP_breg28: | |
1332 | case DW_OP_breg29: | |
1333 | case DW_OP_breg30: | |
1334 | case DW_OP_breg31: | |
467c65bc | 1335 | printf ("DW_OP_breg%d (%s): %s", |
47704ddf | 1336 | op - DW_OP_breg0, |
18464d4d | 1337 | regname (op - DW_OP_breg0, 1), |
f6f0e17b | 1338 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1339 | data += bytes_read; |
1340 | break; | |
1341 | ||
1342 | case DW_OP_regx: | |
f6f0e17b | 1343 | uvalue = read_uleb128 (data, &bytes_read, end); |
19e6b90e | 1344 | data += bytes_read; |
467c65bc NC |
1345 | printf ("DW_OP_regx: %s (%s)", |
1346 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); | |
19e6b90e L |
1347 | break; |
1348 | case DW_OP_fbreg: | |
1349 | need_frame_base = 1; | |
467c65bc | 1350 | printf ("DW_OP_fbreg: %s", |
f6f0e17b | 1351 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1352 | data += bytes_read; |
1353 | break; | |
1354 | case DW_OP_bregx: | |
f6f0e17b | 1355 | uvalue = read_uleb128 (data, &bytes_read, end); |
19e6b90e | 1356 | data += bytes_read; |
467c65bc NC |
1357 | printf ("DW_OP_bregx: %s (%s) %s", |
1358 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1), | |
f6f0e17b | 1359 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1360 | data += bytes_read; |
1361 | break; | |
1362 | case DW_OP_piece: | |
467c65bc | 1363 | printf ("DW_OP_piece: %s", |
f6f0e17b | 1364 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
1365 | data += bytes_read; |
1366 | break; | |
1367 | case DW_OP_deref_size: | |
0c588247 NC |
1368 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1369 | printf ("DW_OP_deref_size: %ld", (long) uvalue); | |
19e6b90e L |
1370 | break; |
1371 | case DW_OP_xderef_size: | |
0c588247 NC |
1372 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1373 | printf ("DW_OP_xderef_size: %ld", (long) uvalue); | |
19e6b90e L |
1374 | break; |
1375 | case DW_OP_nop: | |
1376 | printf ("DW_OP_nop"); | |
1377 | break; | |
1378 | ||
1379 | /* DWARF 3 extensions. */ | |
1380 | case DW_OP_push_object_address: | |
1381 | printf ("DW_OP_push_object_address"); | |
1382 | break; | |
1383 | case DW_OP_call2: | |
d85bf2ba | 1384 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
19e6b90e | 1385 | this ought to be an 8-byte wide computation. */ |
0c588247 | 1386 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
467c65bc | 1387 | printf ("DW_OP_call2: <0x%s>", |
0c588247 | 1388 | dwarf_vmatoa ("x", svalue + cu_offset)); |
19e6b90e L |
1389 | break; |
1390 | case DW_OP_call4: | |
d85bf2ba | 1391 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
19e6b90e | 1392 | this ought to be an 8-byte wide computation. */ |
0c588247 | 1393 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
467c65bc | 1394 | printf ("DW_OP_call4: <0x%s>", |
0c588247 | 1395 | dwarf_vmatoa ("x", svalue + cu_offset)); |
19e6b90e L |
1396 | break; |
1397 | case DW_OP_call_ref: | |
d85bf2ba | 1398 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
e2a0d921 | 1399 | this ought to be an 8-byte wide computation. */ |
b7807392 JJ |
1400 | if (dwarf_version == -1) |
1401 | { | |
1402 | printf (_("(DW_OP_call_ref in frame info)")); | |
1403 | /* No way to tell where the next op is, so just bail. */ | |
1404 | return need_frame_base; | |
1405 | } | |
1406 | if (dwarf_version == 2) | |
1407 | { | |
0c588247 | 1408 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
b7807392 JJ |
1409 | } |
1410 | else | |
1411 | { | |
0c588247 | 1412 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
b7807392 | 1413 | } |
0c588247 | 1414 | printf ("DW_OP_call_ref: <0x%s>", dwarf_vmatoa ("x", uvalue)); |
19e6b90e | 1415 | break; |
a87b0a59 NS |
1416 | case DW_OP_form_tls_address: |
1417 | printf ("DW_OP_form_tls_address"); | |
1418 | break; | |
e2a0d921 NC |
1419 | case DW_OP_call_frame_cfa: |
1420 | printf ("DW_OP_call_frame_cfa"); | |
1421 | break; | |
1422 | case DW_OP_bit_piece: | |
1423 | printf ("DW_OP_bit_piece: "); | |
9cf03b7e | 1424 | printf (_("size: %s "), |
f6f0e17b | 1425 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
e2a0d921 | 1426 | data += bytes_read; |
9cf03b7e | 1427 | printf (_("offset: %s "), |
f6f0e17b | 1428 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
e2a0d921 NC |
1429 | data += bytes_read; |
1430 | break; | |
19e6b90e | 1431 | |
3244e8f5 JJ |
1432 | /* DWARF 4 extensions. */ |
1433 | case DW_OP_stack_value: | |
1434 | printf ("DW_OP_stack_value"); | |
1435 | break; | |
1436 | ||
1437 | case DW_OP_implicit_value: | |
1438 | printf ("DW_OP_implicit_value"); | |
f6f0e17b | 1439 | uvalue = read_uleb128 (data, &bytes_read, end); |
3244e8f5 | 1440 | data += bytes_read; |
ef0b5f1c | 1441 | data = display_block (data, uvalue, end, ' '); |
3244e8f5 JJ |
1442 | break; |
1443 | ||
19e6b90e L |
1444 | /* GNU extensions. */ |
1445 | case DW_OP_GNU_push_tls_address: | |
9cf03b7e | 1446 | printf (_("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown")); |
e2a0d921 NC |
1447 | break; |
1448 | case DW_OP_GNU_uninit: | |
1449 | printf ("DW_OP_GNU_uninit"); | |
1450 | /* FIXME: Is there data associated with this OP ? */ | |
1451 | break; | |
f1c4cc75 RH |
1452 | case DW_OP_GNU_encoded_addr: |
1453 | { | |
6937bb54 | 1454 | int encoding = 0; |
f1c4cc75 | 1455 | dwarf_vma addr; |
467c65bc | 1456 | |
6937bb54 NC |
1457 | if (data < end) |
1458 | encoding = *data++; | |
041830e0 | 1459 | addr = get_encoded_value (&data, encoding, section, end); |
f1c4cc75 RH |
1460 | |
1461 | printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding); | |
1462 | print_dwarf_vma (addr, pointer_size); | |
1463 | } | |
1464 | break; | |
bc0a77d2 | 1465 | case DW_OP_implicit_pointer: |
b7807392 | 1466 | case DW_OP_GNU_implicit_pointer: |
d85bf2ba | 1467 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
b7807392 JJ |
1468 | this ought to be an 8-byte wide computation. */ |
1469 | if (dwarf_version == -1) | |
1470 | { | |
bc0a77d2 JK |
1471 | printf (_("(%s in frame info)"), |
1472 | (op == DW_OP_implicit_pointer | |
1473 | ? "DW_OP_implicit_pointer" | |
1474 | : "DW_OP_GNU_implicit_pointer")); | |
b7807392 JJ |
1475 | /* No way to tell where the next op is, so just bail. */ |
1476 | return need_frame_base; | |
1477 | } | |
1478 | if (dwarf_version == 2) | |
1479 | { | |
0c588247 | 1480 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
b7807392 JJ |
1481 | } |
1482 | else | |
1483 | { | |
0c588247 | 1484 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
b7807392 | 1485 | } |
bc0a77d2 JK |
1486 | printf ("%s: <0x%s> %s", |
1487 | (op == DW_OP_implicit_pointer | |
1488 | ? "DW_OP_implicit_pointer" : "DW_OP_GNU_implicit_pointer"), | |
0c588247 NC |
1489 | dwarf_vmatoa ("x", uvalue), |
1490 | dwarf_vmatoa ("d", read_sleb128 (data, | |
1491 | &bytes_read, end))); | |
1492 | data += bytes_read; | |
b7807392 | 1493 | break; |
77145576 | 1494 | case DW_OP_entry_value: |
0892011d | 1495 | case DW_OP_GNU_entry_value: |
f6f0e17b | 1496 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1497 | data += bytes_read; |
058037d3 NC |
1498 | /* PR 17531: file: 0cc9cd00. */ |
1499 | if (uvalue > (dwarf_vma) (end - data)) | |
1500 | uvalue = end - data; | |
77145576 JK |
1501 | printf ("%s: (", (op == DW_OP_entry_value ? "DW_OP_entry_value" |
1502 | : "DW_OP_GNU_entry_value")); | |
0892011d JJ |
1503 | if (decode_location_expression (data, pointer_size, offset_size, |
1504 | dwarf_version, uvalue, | |
1505 | cu_offset, section)) | |
1506 | need_frame_base = 1; | |
1507 | putchar (')'); | |
1508 | data += uvalue; | |
6937bb54 NC |
1509 | if (data > end) |
1510 | data = end; | |
0892011d | 1511 | break; |
bc0a77d2 | 1512 | case DW_OP_const_type: |
0892011d | 1513 | case DW_OP_GNU_const_type: |
f6f0e17b | 1514 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1515 | data += bytes_read; |
bc0a77d2 JK |
1516 | printf ("%s: <0x%s> ", |
1517 | (op == DW_OP_const_type ? "DW_OP_const_type" | |
1518 | : "DW_OP_GNU_const_type"), | |
0892011d | 1519 | dwarf_vmatoa ("x", cu_offset + uvalue)); |
0c588247 | 1520 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
ef0b5f1c | 1521 | data = display_block (data, uvalue, end, ' '); |
0892011d | 1522 | break; |
bc0a77d2 | 1523 | case DW_OP_regval_type: |
0892011d | 1524 | case DW_OP_GNU_regval_type: |
f6f0e17b | 1525 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1526 | data += bytes_read; |
bc0a77d2 JK |
1527 | printf ("%s: %s (%s)", |
1528 | (op == DW_OP_regval_type ? "DW_OP_regval_type" | |
1529 | : "DW_OP_GNU_regval_type"), | |
0892011d | 1530 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); |
f6f0e17b | 1531 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1532 | data += bytes_read; |
1533 | printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); | |
1534 | break; | |
bc0a77d2 | 1535 | case DW_OP_deref_type: |
0892011d | 1536 | case DW_OP_GNU_deref_type: |
0c588247 | 1537 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
bc0a77d2 JK |
1538 | printf ("%s: %ld", |
1539 | (op == DW_OP_deref_type ? "DW_OP_deref_type" | |
1540 | : "DW_OP_GNU_deref_type"), | |
1541 | (long) uvalue); | |
f6f0e17b | 1542 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1543 | data += bytes_read; |
1544 | printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); | |
1545 | break; | |
bc0a77d2 | 1546 | case DW_OP_convert: |
0892011d | 1547 | case DW_OP_GNU_convert: |
f6f0e17b | 1548 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1549 | data += bytes_read; |
bc0a77d2 JK |
1550 | printf ("%s <0x%s>", |
1551 | (op == DW_OP_convert ? "DW_OP_convert" : "DW_OP_GNU_convert"), | |
f8b999f9 | 1552 | dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0)); |
0892011d | 1553 | break; |
bc0a77d2 | 1554 | case DW_OP_reinterpret: |
0892011d | 1555 | case DW_OP_GNU_reinterpret: |
f6f0e17b | 1556 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1557 | data += bytes_read; |
bc0a77d2 JK |
1558 | printf ("%s <0x%s>", |
1559 | (op == DW_OP_reinterpret ? "DW_OP_reinterpret" | |
1560 | : "DW_OP_GNU_reinterpret"), | |
f8b999f9 JJ |
1561 | dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0)); |
1562 | break; | |
1563 | case DW_OP_GNU_parameter_ref: | |
0c588247 | 1564 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
f8b999f9 | 1565 | printf ("DW_OP_GNU_parameter_ref: <0x%s>", |
0c588247 | 1566 | dwarf_vmatoa ("x", cu_offset + uvalue)); |
0892011d | 1567 | break; |
b4eb7656 AM |
1568 | case DW_OP_GNU_addr_index: |
1569 | uvalue = read_uleb128 (data, &bytes_read, end); | |
1570 | data += bytes_read; | |
1571 | printf ("DW_OP_GNU_addr_index <0x%s>", dwarf_vmatoa ("x", uvalue)); | |
1572 | break; | |
1573 | case DW_OP_GNU_const_index: | |
1574 | uvalue = read_uleb128 (data, &bytes_read, end); | |
1575 | data += bytes_read; | |
1576 | printf ("DW_OP_GNU_const_index <0x%s>", dwarf_vmatoa ("x", uvalue)); | |
1577 | break; | |
e2a0d921 NC |
1578 | |
1579 | /* HP extensions. */ | |
1580 | case DW_OP_HP_is_value: | |
1581 | printf ("DW_OP_HP_is_value"); | |
1582 | /* FIXME: Is there data associated with this OP ? */ | |
1583 | break; | |
1584 | case DW_OP_HP_fltconst4: | |
1585 | printf ("DW_OP_HP_fltconst4"); | |
1586 | /* FIXME: Is there data associated with this OP ? */ | |
1587 | break; | |
1588 | case DW_OP_HP_fltconst8: | |
1589 | printf ("DW_OP_HP_fltconst8"); | |
1590 | /* FIXME: Is there data associated with this OP ? */ | |
1591 | break; | |
1592 | case DW_OP_HP_mod_range: | |
1593 | printf ("DW_OP_HP_mod_range"); | |
1594 | /* FIXME: Is there data associated with this OP ? */ | |
1595 | break; | |
1596 | case DW_OP_HP_unmod_range: | |
1597 | printf ("DW_OP_HP_unmod_range"); | |
1598 | /* FIXME: Is there data associated with this OP ? */ | |
1599 | break; | |
1600 | case DW_OP_HP_tls: | |
1601 | printf ("DW_OP_HP_tls"); | |
1602 | /* FIXME: Is there data associated with this OP ? */ | |
19e6b90e L |
1603 | break; |
1604 | ||
35d60fe4 NC |
1605 | /* PGI (STMicroelectronics) extensions. */ |
1606 | case DW_OP_PGI_omp_thread_num: | |
1607 | /* Pushes the thread number for the current thread as it would be | |
1608 | returned by the standard OpenMP library function: | |
1609 | omp_get_thread_num(). The "current thread" is the thread for | |
1610 | which the expression is being evaluated. */ | |
1611 | printf ("DW_OP_PGI_omp_thread_num"); | |
1612 | break; | |
1613 | ||
19e6b90e L |
1614 | default: |
1615 | if (op >= DW_OP_lo_user | |
1616 | && op <= DW_OP_hi_user) | |
0502a2b4 | 1617 | printf (_("(User defined location op 0x%x)"), op); |
19e6b90e | 1618 | else |
0502a2b4 | 1619 | printf (_("(Unknown location op 0x%x)"), op); |
19e6b90e L |
1620 | /* No way to tell where the next op is, so just bail. */ |
1621 | return need_frame_base; | |
1622 | } | |
1623 | ||
1624 | /* Separate the ops. */ | |
1625 | if (data < end) | |
1626 | printf ("; "); | |
1627 | } | |
1628 | ||
1629 | return need_frame_base; | |
1630 | } | |
1631 | ||
341f9135 CC |
1632 | /* Find the CU or TU set corresponding to the given CU_OFFSET. |
1633 | This is used for DWARF package files. */ | |
1634 | ||
1635 | static struct cu_tu_set * | |
1636 | find_cu_tu_set_v2 (dwarf_vma cu_offset, int do_types) | |
1637 | { | |
1638 | struct cu_tu_set *p; | |
1639 | unsigned int nsets; | |
1640 | unsigned int dw_sect; | |
1641 | ||
1642 | if (do_types) | |
1643 | { | |
1644 | p = tu_sets; | |
1645 | nsets = tu_count; | |
1646 | dw_sect = DW_SECT_TYPES; | |
1647 | } | |
1648 | else | |
1649 | { | |
1650 | p = cu_sets; | |
1651 | nsets = cu_count; | |
1652 | dw_sect = DW_SECT_INFO; | |
1653 | } | |
1654 | while (nsets > 0) | |
1655 | { | |
1656 | if (p->section_offsets [dw_sect] == cu_offset) | |
1657 | return p; | |
1658 | p++; | |
1659 | nsets--; | |
1660 | } | |
1661 | return NULL; | |
1662 | } | |
1663 | ||
a69c4772 NC |
1664 | /* Add INC to HIGH_BITS:LOW_BITS. */ |
1665 | static void | |
1666 | add64 (dwarf_vma * high_bits, dwarf_vma * low_bits, dwarf_vma inc) | |
1667 | { | |
1668 | dwarf_vma tmp = * low_bits; | |
1669 | ||
1670 | tmp += inc; | |
1671 | ||
1672 | /* FIXME: There is probably a better way of handling this: | |
1673 | ||
1674 | We need to cope with dwarf_vma being a 32-bit or 64-bit | |
1675 | type. Plus regardless of its size LOW_BITS is meant to | |
1676 | only hold 32-bits, so if there is overflow or wrap around | |
1677 | we must propagate into HIGH_BITS. */ | |
1678 | if (tmp < * low_bits) | |
1679 | { | |
1680 | ++ * high_bits; | |
1681 | } | |
1682 | else if (sizeof (tmp) > 8 | |
1683 | && (tmp >> 31) > 1) | |
1684 | { | |
1685 | ++ * high_bits; | |
1686 | tmp &= 0xFFFFFFFF; | |
1687 | } | |
1688 | ||
1689 | * low_bits = tmp; | |
1690 | } | |
1691 | ||
dda8d76d NC |
1692 | static const char * |
1693 | fetch_alt_indirect_string (dwarf_vma offset) | |
1694 | { | |
1695 | struct dwarf_section * section; | |
1696 | const char * ret; | |
1697 | ||
1698 | if (! do_follow_links) | |
1699 | return ""; | |
1700 | ||
1701 | if (separate_debug_file == NULL) | |
1702 | return _("<following link not possible>"); | |
1703 | ||
1704 | if (! load_debug_section (separate_debug_str, separate_debug_file)) | |
1705 | return _("<could not load separate string section>"); | |
1706 | ||
1707 | section = &debug_displays [separate_debug_str].section; | |
1708 | if (section->start == NULL) | |
1709 | return _("<no .debug_str section>"); | |
1710 | ||
1711 | if (offset >= section->size) | |
1712 | { | |
1713 | warn (_("DW_FORM_GNU_strp_alt offset too big: %s\n"), dwarf_vmatoa ("x", offset)); | |
1714 | return _("<offset is too big>"); | |
1715 | } | |
1716 | ||
1717 | ret = (const char *) (section->start + offset); | |
1718 | /* Unfortunately we cannot rely upon the .debug_str section ending with a | |
1719 | NUL byte. Since our caller is expecting to receive a well formed C | |
1720 | string we test for the lack of a terminating byte here. */ | |
1721 | if (strnlen ((const char *) ret, section->size - offset) | |
1722 | == section->size - offset) | |
1723 | return _("<no NUL byte at end of .debug_str section>"); | |
1724 | ||
1725 | return ret; | |
1726 | } | |
1727 | ||
d85bf2ba NC |
1728 | static const char * |
1729 | get_AT_name (unsigned long attribute) | |
1730 | { | |
1731 | const char *name; | |
1732 | ||
1733 | if (attribute == 0) | |
1734 | return "DW_AT value: 0"; | |
1735 | ||
1736 | /* One value is shared by the MIPS and HP extensions: */ | |
1737 | if (attribute == DW_AT_MIPS_fde) | |
1738 | return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable"; | |
1739 | ||
1740 | name = get_DW_AT_name (attribute); | |
1741 | ||
1742 | if (name == NULL) | |
1743 | { | |
1744 | static char buffer[100]; | |
1745 | ||
1746 | snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"), | |
1747 | attribute); | |
1748 | return buffer; | |
1749 | } | |
1750 | ||
1751 | return name; | |
1752 | } | |
1753 | ||
19e6b90e | 1754 | static unsigned char * |
dda8d76d NC |
1755 | read_and_display_attr_value (unsigned long attribute, |
1756 | unsigned long form, | |
1757 | dwarf_signed_vma implicit_const, | |
1758 | unsigned char * data, | |
1759 | unsigned char * end, | |
1760 | dwarf_vma cu_offset, | |
1761 | dwarf_vma pointer_size, | |
1762 | dwarf_vma offset_size, | |
1763 | int dwarf_version, | |
1764 | debug_info * debug_info_p, | |
1765 | int do_loc, | |
1766 | struct dwarf_section * section, | |
1767 | struct cu_tu_set * this_set, | |
1768 | char delimiter) | |
19e6b90e | 1769 | { |
467c65bc | 1770 | dwarf_vma uvalue = 0; |
19e6b90e | 1771 | unsigned char *block_start = NULL; |
6e3d6dc1 | 1772 | unsigned char * orig_data = data; |
19e6b90e L |
1773 | unsigned int bytes_read; |
1774 | ||
f41e4712 | 1775 | if (data > end || (data == end && form != DW_FORM_flag_present)) |
0c588247 | 1776 | { |
f41e4712 | 1777 | warn (_("Corrupt attribute\n")); |
0c588247 NC |
1778 | return data; |
1779 | } | |
1780 | ||
19e6b90e L |
1781 | switch (form) |
1782 | { | |
1783 | default: | |
1784 | break; | |
1785 | ||
1786 | case DW_FORM_ref_addr: | |
1787 | if (dwarf_version == 2) | |
0c588247 | 1788 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
932fd279 | 1789 | else if (dwarf_version == 3 || dwarf_version == 4) |
0c588247 | 1790 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
19e6b90e | 1791 | else |
467c65bc NC |
1792 | error (_("Internal error: DWARF version is not 2, 3 or 4.\n")); |
1793 | ||
19e6b90e L |
1794 | break; |
1795 | ||
1796 | case DW_FORM_addr: | |
0c588247 | 1797 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
19e6b90e L |
1798 | break; |
1799 | ||
1800 | case DW_FORM_strp: | |
77145576 | 1801 | case DW_FORM_line_strp: |
932fd279 | 1802 | case DW_FORM_sec_offset: |
a081f3cd JJ |
1803 | case DW_FORM_GNU_ref_alt: |
1804 | case DW_FORM_GNU_strp_alt: | |
0c588247 | 1805 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
19e6b90e L |
1806 | break; |
1807 | ||
932fd279 JJ |
1808 | case DW_FORM_flag_present: |
1809 | uvalue = 1; | |
1810 | break; | |
1811 | ||
19e6b90e L |
1812 | case DW_FORM_ref1: |
1813 | case DW_FORM_flag: | |
1814 | case DW_FORM_data1: | |
0c588247 | 1815 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
19e6b90e L |
1816 | break; |
1817 | ||
1818 | case DW_FORM_ref2: | |
1819 | case DW_FORM_data2: | |
0c588247 | 1820 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
19e6b90e L |
1821 | break; |
1822 | ||
1823 | case DW_FORM_ref4: | |
1824 | case DW_FORM_data4: | |
0c588247 | 1825 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
19e6b90e L |
1826 | break; |
1827 | ||
1828 | case DW_FORM_sdata: | |
f6f0e17b | 1829 | uvalue = read_sleb128 (data, & bytes_read, end); |
19e6b90e L |
1830 | data += bytes_read; |
1831 | break; | |
1832 | ||
4723351a | 1833 | case DW_FORM_GNU_str_index: |
f6f0e17b | 1834 | uvalue = read_uleb128 (data, & bytes_read, end); |
4723351a CC |
1835 | data += bytes_read; |
1836 | break; | |
1837 | ||
19e6b90e L |
1838 | case DW_FORM_ref_udata: |
1839 | case DW_FORM_udata: | |
f6f0e17b | 1840 | uvalue = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
1841 | data += bytes_read; |
1842 | break; | |
1843 | ||
1844 | case DW_FORM_indirect: | |
f6f0e17b | 1845 | form = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
1846 | data += bytes_read; |
1847 | if (!do_loc) | |
ef0b5f1c | 1848 | printf ("%c%s", delimiter, get_FORM_name (form)); |
77145576 JK |
1849 | if (form == DW_FORM_implicit_const) |
1850 | { | |
1851 | implicit_const = read_sleb128 (data, & bytes_read, end); | |
1852 | data += bytes_read; | |
1853 | } | |
1854 | return read_and_display_attr_value (attribute, form, implicit_const, data, | |
1855 | end, cu_offset, pointer_size, | |
19e6b90e | 1856 | offset_size, dwarf_version, |
ec4d4525 | 1857 | debug_info_p, do_loc, |
ef0b5f1c | 1858 | section, this_set, delimiter); |
4723351a | 1859 | case DW_FORM_GNU_addr_index: |
f6f0e17b | 1860 | uvalue = read_uleb128 (data, & bytes_read, end); |
4723351a CC |
1861 | data += bytes_read; |
1862 | break; | |
19e6b90e L |
1863 | } |
1864 | ||
1865 | switch (form) | |
1866 | { | |
1867 | case DW_FORM_ref_addr: | |
1868 | if (!do_loc) | |
ef0b5f1c | 1869 | printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x",uvalue)); |
19e6b90e L |
1870 | break; |
1871 | ||
a081f3cd JJ |
1872 | case DW_FORM_GNU_ref_alt: |
1873 | if (!do_loc) | |
ef0b5f1c | 1874 | printf ("%c<alt 0x%s>", delimiter, dwarf_vmatoa ("x",uvalue)); |
dda8d76d | 1875 | /* FIXME: Follow the reference... */ |
a081f3cd JJ |
1876 | break; |
1877 | ||
19e6b90e L |
1878 | case DW_FORM_ref1: |
1879 | case DW_FORM_ref2: | |
1880 | case DW_FORM_ref4: | |
1881 | case DW_FORM_ref_udata: | |
1882 | if (!do_loc) | |
ef0b5f1c | 1883 | printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue + cu_offset)); |
19e6b90e L |
1884 | break; |
1885 | ||
1886 | case DW_FORM_data4: | |
1887 | case DW_FORM_addr: | |
932fd279 | 1888 | case DW_FORM_sec_offset: |
19e6b90e | 1889 | if (!do_loc) |
ef0b5f1c | 1890 | printf ("%c0x%s", delimiter, dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
1891 | break; |
1892 | ||
932fd279 | 1893 | case DW_FORM_flag_present: |
19e6b90e L |
1894 | case DW_FORM_flag: |
1895 | case DW_FORM_data1: | |
1896 | case DW_FORM_data2: | |
1897 | case DW_FORM_sdata: | |
1898 | case DW_FORM_udata: | |
1899 | if (!do_loc) | |
ef0b5f1c | 1900 | printf ("%c%s", delimiter, dwarf_vmatoa ("d", uvalue)); |
19e6b90e L |
1901 | break; |
1902 | ||
77145576 JK |
1903 | case DW_FORM_implicit_const: |
1904 | if (!do_loc) | |
1905 | printf ("%c%s", delimiter, dwarf_vmatoa ("d", implicit_const)); | |
1906 | break; | |
1907 | ||
19e6b90e L |
1908 | case DW_FORM_ref8: |
1909 | case DW_FORM_data8: | |
2bc8690c | 1910 | if (!do_loc) |
19e6b90e | 1911 | { |
74bc6052 | 1912 | dwarf_vma high_bits; |
a69c4772 | 1913 | dwarf_vma utmp; |
74bc6052 CC |
1914 | char buf[64]; |
1915 | ||
0c588247 | 1916 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); |
a69c4772 NC |
1917 | utmp = uvalue; |
1918 | if (form == DW_FORM_ref8) | |
1919 | add64 (& high_bits, & utmp, cu_offset); | |
ef0b5f1c | 1920 | printf ("%c0x%s", delimiter, |
a69c4772 | 1921 | dwarf_vmatoa64 (high_bits, utmp, buf, sizeof (buf))); |
19e6b90e | 1922 | } |
0c588247 | 1923 | |
19e6b90e L |
1924 | if ((do_loc || do_debug_loc || do_debug_ranges) |
1925 | && num_debug_info_entries == 0) | |
1926 | { | |
1927 | if (sizeof (uvalue) == 8) | |
0c588247 | 1928 | SAFE_BYTE_GET (uvalue, data, 8, end); |
19e6b90e | 1929 | else |
467c65bc | 1930 | error (_("DW_FORM_data8 is unsupported when sizeof (dwarf_vma) != 8\n")); |
19e6b90e | 1931 | } |
0c588247 | 1932 | |
19e6b90e L |
1933 | data += 8; |
1934 | break; | |
1935 | ||
2f6cd591 JK |
1936 | case DW_FORM_data16: |
1937 | if (!do_loc) | |
1938 | { | |
1939 | dwarf_vma left_high_bits, left_low_bits; | |
1940 | dwarf_vma right_high_bits, right_low_bits; | |
1941 | ||
1942 | SAFE_BYTE_GET64 (data, &left_high_bits, &left_low_bits, end); | |
1943 | SAFE_BYTE_GET64 (data + 8, &right_high_bits, &right_low_bits, end); | |
1944 | if (byte_get == byte_get_little_endian) | |
1945 | { | |
1946 | /* Swap them. */ | |
1947 | left_high_bits ^= right_high_bits; | |
1948 | right_high_bits ^= left_high_bits; | |
1949 | left_high_bits ^= right_high_bits; | |
1950 | left_low_bits ^= right_low_bits; | |
1951 | right_low_bits ^= left_low_bits; | |
1952 | left_low_bits ^= right_low_bits; | |
1953 | } | |
1954 | printf (" 0x%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x" | |
1955 | "%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x", | |
1956 | left_high_bits, left_low_bits, right_high_bits, | |
1957 | right_low_bits); | |
1958 | } | |
1959 | data += 16; | |
1960 | break; | |
1961 | ||
19e6b90e L |
1962 | case DW_FORM_string: |
1963 | if (!do_loc) | |
ef0b5f1c | 1964 | printf ("%c%.*s", delimiter, (int) (end - data), data); |
0c588247 | 1965 | data += strnlen ((char *) data, end - data) + 1; |
19e6b90e L |
1966 | break; |
1967 | ||
1968 | case DW_FORM_block: | |
932fd279 | 1969 | case DW_FORM_exprloc: |
f6f0e17b | 1970 | uvalue = read_uleb128 (data, & bytes_read, end); |
19e6b90e | 1971 | block_start = data + bytes_read; |
a1165289 NC |
1972 | if (block_start >= end) |
1973 | { | |
1974 | warn (_("Block ends prematurely\n")); | |
1975 | uvalue = 0; | |
1976 | block_start = end; | |
1977 | } | |
f3853b34 NC |
1978 | /* FIXME: Testing "(block_start + uvalue) < block_start" miscompiles with |
1979 | gcc 4.8.3 running on an x86_64 host in 32-bit mode. So we pre-compute | |
1980 | block_start + uvalue here. */ | |
1981 | data = block_start + uvalue; | |
f41e4712 | 1982 | /* PR 17512: file: 008-103549-0.001:0.1. */ |
f3853b34 | 1983 | if (block_start + uvalue > end || data < block_start) |
f41e4712 NC |
1984 | { |
1985 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
1986 | uvalue = end - block_start; | |
1987 | } | |
19e6b90e L |
1988 | if (do_loc) |
1989 | data = block_start + uvalue; | |
1990 | else | |
ef0b5f1c | 1991 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
1992 | break; |
1993 | ||
1994 | case DW_FORM_block1: | |
0c588247 | 1995 | SAFE_BYTE_GET (uvalue, data, 1, end); |
19e6b90e | 1996 | block_start = data + 1; |
a1165289 NC |
1997 | if (block_start >= end) |
1998 | { | |
1999 | warn (_("Block ends prematurely\n")); | |
2000 | uvalue = 0; | |
2001 | block_start = end; | |
2002 | } | |
f3853b34 NC |
2003 | data = block_start + uvalue; |
2004 | if (block_start + uvalue > end || data < block_start) | |
f41e4712 NC |
2005 | { |
2006 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
2007 | uvalue = end - block_start; | |
2008 | } | |
19e6b90e L |
2009 | if (do_loc) |
2010 | data = block_start + uvalue; | |
2011 | else | |
ef0b5f1c | 2012 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
2013 | break; |
2014 | ||
2015 | case DW_FORM_block2: | |
0c588247 | 2016 | SAFE_BYTE_GET (uvalue, data, 2, end); |
19e6b90e | 2017 | block_start = data + 2; |
a1165289 NC |
2018 | if (block_start >= end) |
2019 | { | |
2020 | warn (_("Block ends prematurely\n")); | |
2021 | uvalue = 0; | |
2022 | block_start = end; | |
2023 | } | |
f3853b34 NC |
2024 | data = block_start + uvalue; |
2025 | if (block_start + uvalue > end || data < block_start) | |
f41e4712 NC |
2026 | { |
2027 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
2028 | uvalue = end - block_start; | |
2029 | } | |
19e6b90e L |
2030 | if (do_loc) |
2031 | data = block_start + uvalue; | |
2032 | else | |
ef0b5f1c | 2033 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
2034 | break; |
2035 | ||
2036 | case DW_FORM_block4: | |
0c588247 | 2037 | SAFE_BYTE_GET (uvalue, data, 4, end); |
19e6b90e | 2038 | block_start = data + 4; |
a1165289 NC |
2039 | /* PR 17512: file: 3371-3907-0.004. */ |
2040 | if (block_start >= end) | |
2041 | { | |
2042 | warn (_("Block ends prematurely\n")); | |
2043 | uvalue = 0; | |
2044 | block_start = end; | |
2045 | } | |
f3853b34 NC |
2046 | data = block_start + uvalue; |
2047 | if (block_start + uvalue > end | |
b4eb7656 | 2048 | /* PR 17531: file: 5b5f0592. */ |
f3853b34 | 2049 | || data < block_start) |
f41e4712 NC |
2050 | { |
2051 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
2052 | uvalue = end - block_start; | |
2053 | } | |
19e6b90e L |
2054 | if (do_loc) |
2055 | data = block_start + uvalue; | |
2056 | else | |
ef0b5f1c | 2057 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
2058 | break; |
2059 | ||
2060 | case DW_FORM_strp: | |
2061 | if (!do_loc) | |
ef0b5f1c | 2062 | printf (_("%c(indirect string, offset: 0x%s): %s"), delimiter, |
47704ddf KT |
2063 | dwarf_vmatoa ("x", uvalue), |
2064 | fetch_indirect_string (uvalue)); | |
19e6b90e L |
2065 | break; |
2066 | ||
77145576 JK |
2067 | case DW_FORM_line_strp: |
2068 | if (!do_loc) | |
2069 | printf (_("%c(indirect line string, offset: 0x%s): %s"), delimiter, | |
2070 | dwarf_vmatoa ("x", uvalue), | |
2071 | fetch_indirect_line_string (uvalue)); | |
2072 | break; | |
2073 | ||
4723351a CC |
2074 | case DW_FORM_GNU_str_index: |
2075 | if (!do_loc) | |
b4eb7656 | 2076 | { |
d85bf2ba NC |
2077 | const char * suffix = strrchr (section->name, '.'); |
2078 | bfd_boolean dwo = (suffix && strcmp (suffix, ".dwo") == 0) ? TRUE : FALSE; | |
b4eb7656 | 2079 | |
ef0b5f1c | 2080 | printf (_("%c(indexed string: 0x%s): %s"), delimiter, |
b4eb7656 AM |
2081 | dwarf_vmatoa ("x", uvalue), |
2082 | fetch_indexed_string (uvalue, this_set, offset_size, dwo)); | |
2083 | } | |
4723351a CC |
2084 | break; |
2085 | ||
a081f3cd JJ |
2086 | case DW_FORM_GNU_strp_alt: |
2087 | if (!do_loc) | |
dda8d76d NC |
2088 | { |
2089 | printf (_("%c(alt indirect string, offset: 0x%s) %s"), delimiter, | |
2090 | dwarf_vmatoa ("x", uvalue), | |
2091 | fetch_alt_indirect_string (uvalue)); | |
2092 | } | |
a081f3cd JJ |
2093 | break; |
2094 | ||
19e6b90e L |
2095 | case DW_FORM_indirect: |
2096 | /* Handled above. */ | |
2097 | break; | |
2098 | ||
2b6f5997 CC |
2099 | case DW_FORM_ref_sig8: |
2100 | if (!do_loc) | |
2101 | { | |
74bc6052 CC |
2102 | dwarf_vma high_bits; |
2103 | char buf[64]; | |
2104 | ||
0c588247 | 2105 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); |
ef0b5f1c | 2106 | printf ("%csignature: 0x%s", delimiter, |
74bc6052 | 2107 | dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf))); |
2b6f5997 | 2108 | } |
74bc6052 | 2109 | data += 8; |
2b6f5997 CC |
2110 | break; |
2111 | ||
4723351a CC |
2112 | case DW_FORM_GNU_addr_index: |
2113 | if (!do_loc) | |
ef0b5f1c | 2114 | printf (_("%c(addr_index: 0x%s): %s"), delimiter, |
b4eb7656 AM |
2115 | dwarf_vmatoa ("x", uvalue), |
2116 | fetch_indexed_value (uvalue * pointer_size, pointer_size)); | |
4723351a CC |
2117 | break; |
2118 | ||
19e6b90e L |
2119 | default: |
2120 | warn (_("Unrecognized form: %lu\n"), form); | |
2121 | break; | |
2122 | } | |
2123 | ||
19e6b90e | 2124 | if ((do_loc || do_debug_loc || do_debug_ranges) |
fd2f0033 TT |
2125 | && num_debug_info_entries == 0 |
2126 | && debug_info_p != NULL) | |
19e6b90e L |
2127 | { |
2128 | switch (attribute) | |
2129 | { | |
2130 | case DW_AT_frame_base: | |
2131 | have_frame_base = 1; | |
1a0670f3 | 2132 | /* Fall through. */ |
19e6b90e | 2133 | case DW_AT_location: |
9f272209 | 2134 | case DW_AT_GNU_locviews: |
e2a0d921 NC |
2135 | case DW_AT_string_length: |
2136 | case DW_AT_return_addr: | |
19e6b90e L |
2137 | case DW_AT_data_member_location: |
2138 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
2139 | case DW_AT_segment: |
2140 | case DW_AT_static_link: | |
2141 | case DW_AT_use_location: | |
bc0a77d2 | 2142 | case DW_AT_call_value: |
629e7ca8 | 2143 | case DW_AT_GNU_call_site_value: |
bc0a77d2 | 2144 | case DW_AT_call_data_value: |
629e7ca8 | 2145 | case DW_AT_GNU_call_site_data_value: |
bc0a77d2 | 2146 | case DW_AT_call_target: |
629e7ca8 | 2147 | case DW_AT_GNU_call_site_target: |
bc0a77d2 | 2148 | case DW_AT_call_target_clobbered: |
629e7ca8 | 2149 | case DW_AT_GNU_call_site_target_clobbered: |
b4eb7656 | 2150 | if ((dwarf_version < 4 |
212b6063 | 2151 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 2152 | || form == DW_FORM_sec_offset) |
19e6b90e L |
2153 | { |
2154 | /* Process location list. */ | |
91d6fa6a | 2155 | unsigned int lmax = debug_info_p->max_loc_offsets; |
19e6b90e L |
2156 | unsigned int num = debug_info_p->num_loc_offsets; |
2157 | ||
91d6fa6a | 2158 | if (lmax == 0 || num >= lmax) |
19e6b90e | 2159 | { |
91d6fa6a | 2160 | lmax += 1024; |
467c65bc | 2161 | debug_info_p->loc_offsets = (dwarf_vma *) |
b4eb7656 AM |
2162 | xcrealloc (debug_info_p->loc_offsets, |
2163 | lmax, sizeof (*debug_info_p->loc_offsets)); | |
9f272209 AO |
2164 | debug_info_p->loc_views = (dwarf_vma *) |
2165 | xcrealloc (debug_info_p->loc_views, | |
2166 | lmax, sizeof (*debug_info_p->loc_views)); | |
3f5e193b | 2167 | debug_info_p->have_frame_base = (int *) |
b4eb7656 AM |
2168 | xcrealloc (debug_info_p->have_frame_base, |
2169 | lmax, sizeof (*debug_info_p->have_frame_base)); | |
91d6fa6a | 2170 | debug_info_p->max_loc_offsets = lmax; |
19e6b90e | 2171 | } |
341f9135 | 2172 | if (this_set != NULL) |
b4eb7656 | 2173 | uvalue += this_set->section_offsets [DW_SECT_LOC]; |
19e6b90e | 2174 | debug_info_p->have_frame_base [num] = have_frame_base; |
9f272209 AO |
2175 | if (attribute != DW_AT_GNU_locviews) |
2176 | { | |
a7504f87 NC |
2177 | /* Corrupt DWARF info can produce more offsets than views. |
2178 | See PR 23062 for an example. */ | |
2179 | if (debug_info_p->num_loc_offsets | |
2180 | > debug_info_p->num_loc_views) | |
2181 | warn (_("More location offset attributes than DW_AT_GNU_locview attributes\n")); | |
2182 | else | |
2183 | { | |
2184 | debug_info_p->loc_offsets [num] = uvalue; | |
2185 | debug_info_p->num_loc_offsets++; | |
2186 | } | |
9f272209 AO |
2187 | } |
2188 | else | |
2189 | { | |
2190 | assert (debug_info_p->num_loc_views <= num); | |
2191 | num = debug_info_p->num_loc_views; | |
a7504f87 NC |
2192 | if (num > debug_info_p->num_loc_offsets) |
2193 | warn (_("More DW_AT_GNU_locview attributes than location offset attributes\n")); | |
2194 | else | |
2195 | { | |
2196 | debug_info_p->loc_views [num] = uvalue; | |
2197 | debug_info_p->num_loc_views++; | |
2198 | } | |
9f272209 | 2199 | } |
19e6b90e L |
2200 | } |
2201 | break; | |
e2a0d921 | 2202 | |
19e6b90e L |
2203 | case DW_AT_low_pc: |
2204 | if (need_base_address) | |
2205 | debug_info_p->base_address = uvalue; | |
2206 | break; | |
2207 | ||
4723351a | 2208 | case DW_AT_GNU_addr_base: |
b4eb7656 | 2209 | debug_info_p->addr_base = uvalue; |
4723351a CC |
2210 | break; |
2211 | ||
2212 | case DW_AT_GNU_ranges_base: | |
b4eb7656 | 2213 | debug_info_p->ranges_base = uvalue; |
4723351a CC |
2214 | break; |
2215 | ||
19e6b90e | 2216 | case DW_AT_ranges: |
b4eb7656 | 2217 | if ((dwarf_version < 4 |
212b6063 | 2218 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 2219 | || form == DW_FORM_sec_offset) |
19e6b90e L |
2220 | { |
2221 | /* Process range list. */ | |
91d6fa6a | 2222 | unsigned int lmax = debug_info_p->max_range_lists; |
19e6b90e L |
2223 | unsigned int num = debug_info_p->num_range_lists; |
2224 | ||
91d6fa6a | 2225 | if (lmax == 0 || num >= lmax) |
19e6b90e | 2226 | { |
91d6fa6a | 2227 | lmax += 1024; |
467c65bc | 2228 | debug_info_p->range_lists = (dwarf_vma *) |
b4eb7656 AM |
2229 | xcrealloc (debug_info_p->range_lists, |
2230 | lmax, sizeof (*debug_info_p->range_lists)); | |
91d6fa6a | 2231 | debug_info_p->max_range_lists = lmax; |
19e6b90e L |
2232 | } |
2233 | debug_info_p->range_lists [num] = uvalue; | |
2234 | debug_info_p->num_range_lists++; | |
2235 | } | |
2236 | break; | |
2237 | ||
d85bf2ba NC |
2238 | case DW_AT_GNU_dwo_name: |
2239 | case DW_AT_dwo_name: | |
2240 | if (need_dwo_info) | |
2241 | switch (form) | |
2242 | { | |
2243 | case DW_FORM_strp: | |
2244 | dwo_name = (const char *) fetch_indirect_string (uvalue); | |
2245 | break; | |
2246 | case DW_FORM_GNU_str_index: | |
2247 | dwo_name = fetch_indexed_string (uvalue, this_set, offset_size, FALSE); | |
2248 | break; | |
2249 | case DW_FORM_string: | |
2250 | dwo_name = (const char *) orig_data; | |
2251 | break; | |
2252 | default: | |
2253 | warn (_("Unsupported form (%s) for attribute %s\n"), | |
2254 | get_FORM_name (form), get_AT_name (attribute)); | |
2255 | dwo_name = _("<unknown>"); | |
2256 | break; | |
2257 | } | |
2258 | break; | |
2259 | ||
2260 | case DW_AT_comp_dir: | |
2261 | /* FIXME: Also extract a build-id in a CU/TU. */ | |
2262 | if (need_dwo_info) | |
2263 | switch (form) | |
2264 | { | |
2265 | case DW_FORM_strp: | |
2266 | dwo_dir = (const char *) fetch_indirect_string (uvalue); | |
2267 | break; | |
2268 | case DW_FORM_line_strp: | |
2269 | dwo_dir = (const char *) fetch_indirect_line_string (uvalue); | |
2270 | break; | |
2271 | case DW_FORM_GNU_str_index: | |
2272 | dwo_dir = fetch_indexed_string (uvalue, this_set, offset_size, FALSE); | |
2273 | break; | |
2274 | case DW_FORM_string: | |
2275 | dwo_dir = (const char *) orig_data; | |
2276 | break; | |
2277 | default: | |
2278 | warn (_("Unsupported form (%s) for attribute %s\n"), | |
2279 | get_FORM_name (form), get_AT_name (attribute)); | |
2280 | dwo_dir = _("<unknown>"); | |
2281 | break; | |
2282 | } | |
2283 | break; | |
2284 | ||
2285 | case DW_AT_GNU_dwo_id: | |
2286 | if (need_dwo_info) | |
2287 | switch (form) | |
2288 | { | |
2289 | case DW_FORM_data8: | |
2290 | dwo_id = data - 8; | |
2291 | dwo_id_len = 8; | |
2292 | break; | |
2293 | default: | |
2294 | warn (_("Unsupported form (%s) for attribute %s\n"), | |
2295 | get_FORM_name (form), get_AT_name (attribute)); | |
2296 | dwo_id = NULL; | |
2297 | break; | |
2298 | } | |
2299 | break; | |
2300 | ||
19e6b90e L |
2301 | default: |
2302 | break; | |
2303 | } | |
2304 | } | |
2305 | ||
4ccf1e31 | 2306 | if (do_loc || attribute == 0) |
19e6b90e L |
2307 | return data; |
2308 | ||
ec4d4525 | 2309 | /* For some attributes we can display further information. */ |
19e6b90e L |
2310 | switch (attribute) |
2311 | { | |
2312 | case DW_AT_inline: | |
2e9e81a8 | 2313 | printf ("\t"); |
19e6b90e L |
2314 | switch (uvalue) |
2315 | { | |
2316 | case DW_INL_not_inlined: | |
2317 | printf (_("(not inlined)")); | |
2318 | break; | |
2319 | case DW_INL_inlined: | |
2320 | printf (_("(inlined)")); | |
2321 | break; | |
2322 | case DW_INL_declared_not_inlined: | |
2323 | printf (_("(declared as inline but ignored)")); | |
2324 | break; | |
2325 | case DW_INL_declared_inlined: | |
2326 | printf (_("(declared as inline and inlined)")); | |
2327 | break; | |
2328 | default: | |
47704ddf KT |
2329 | printf (_(" (Unknown inline attribute value: %s)"), |
2330 | dwarf_vmatoa ("x", uvalue)); | |
19e6b90e L |
2331 | break; |
2332 | } | |
2333 | break; | |
2334 | ||
2335 | case DW_AT_language: | |
2e9e81a8 | 2336 | printf ("\t"); |
19e6b90e L |
2337 | switch (uvalue) |
2338 | { | |
4b78141a | 2339 | /* Ordered by the numeric value of these constants. */ |
19e6b90e | 2340 | case DW_LANG_C89: printf ("(ANSI C)"); break; |
4b78141a NC |
2341 | case DW_LANG_C: printf ("(non-ANSI C)"); break; |
2342 | case DW_LANG_Ada83: printf ("(Ada)"); break; | |
19e6b90e | 2343 | case DW_LANG_C_plus_plus: printf ("(C++)"); break; |
4b78141a NC |
2344 | case DW_LANG_Cobol74: printf ("(Cobol 74)"); break; |
2345 | case DW_LANG_Cobol85: printf ("(Cobol 85)"); break; | |
19e6b90e L |
2346 | case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break; |
2347 | case DW_LANG_Fortran90: printf ("(Fortran 90)"); break; | |
19e6b90e | 2348 | case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break; |
4b78141a | 2349 | case DW_LANG_Modula2: printf ("(Modula 2)"); break; |
19e6b90e | 2350 | /* DWARF 2.1 values. */ |
4b78141a | 2351 | case DW_LANG_Java: printf ("(Java)"); break; |
19e6b90e L |
2352 | case DW_LANG_C99: printf ("(ANSI C99)"); break; |
2353 | case DW_LANG_Ada95: printf ("(ADA 95)"); break; | |
2354 | case DW_LANG_Fortran95: printf ("(Fortran 95)"); break; | |
4b78141a NC |
2355 | /* DWARF 3 values. */ |
2356 | case DW_LANG_PLI: printf ("(PLI)"); break; | |
2357 | case DW_LANG_ObjC: printf ("(Objective C)"); break; | |
2358 | case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break; | |
2359 | case DW_LANG_UPC: printf ("(Unified Parallel C)"); break; | |
2360 | case DW_LANG_D: printf ("(D)"); break; | |
2b6f5997 CC |
2361 | /* DWARF 4 values. */ |
2362 | case DW_LANG_Python: printf ("(Python)"); break; | |
3362e0d9 | 2363 | /* DWARF 5 values. */ |
2008a0db | 2364 | case DW_LANG_OpenCL: printf ("(OpenCL)"); break; |
3362e0d9 | 2365 | case DW_LANG_Go: printf ("(Go)"); break; |
2008a0db TT |
2366 | case DW_LANG_Modula3: printf ("(Modula 3)"); break; |
2367 | case DW_LANG_Haskell: printf ("(Haskell)"); break; | |
2368 | case DW_LANG_C_plus_plus_03: printf ("(C++03)"); break; | |
8bc10620 | 2369 | case DW_LANG_C_plus_plus_11: printf ("(C++11)"); break; |
2008a0db TT |
2370 | case DW_LANG_OCaml: printf ("(OCaml)"); break; |
2371 | case DW_LANG_Rust: printf ("(Rust)"); break; | |
6ddfe5b4 | 2372 | case DW_LANG_C11: printf ("(C11)"); break; |
2008a0db TT |
2373 | case DW_LANG_Swift: printf ("(Swift)"); break; |
2374 | case DW_LANG_Julia: printf ("(Julia)"); break; | |
2375 | case DW_LANG_Dylan: printf ("(Dylan)"); break; | |
8bc10620 | 2376 | case DW_LANG_C_plus_plus_14: printf ("(C++14)"); break; |
5a195044 MW |
2377 | case DW_LANG_Fortran03: printf ("(Fortran 03)"); break; |
2378 | case DW_LANG_Fortran08: printf ("(Fortran 08)"); break; | |
2008a0db | 2379 | case DW_LANG_RenderScript: printf ("(RenderScript)"); break; |
19e6b90e L |
2380 | /* MIPS extension. */ |
2381 | case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break; | |
2382 | /* UPC extension. */ | |
2383 | case DW_LANG_Upc: printf ("(Unified Parallel C)"); break; | |
2384 | default: | |
4b78141a | 2385 | if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user) |
9cf03b7e | 2386 | printf (_("(implementation defined: %s)"), |
467c65bc | 2387 | dwarf_vmatoa ("x", uvalue)); |
4b78141a | 2388 | else |
9cf03b7e | 2389 | printf (_("(Unknown: %s)"), dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
2390 | break; |
2391 | } | |
2392 | break; | |
2393 | ||
2394 | case DW_AT_encoding: | |
2e9e81a8 | 2395 | printf ("\t"); |
19e6b90e L |
2396 | switch (uvalue) |
2397 | { | |
2398 | case DW_ATE_void: printf ("(void)"); break; | |
2399 | case DW_ATE_address: printf ("(machine address)"); break; | |
2400 | case DW_ATE_boolean: printf ("(boolean)"); break; | |
2401 | case DW_ATE_complex_float: printf ("(complex float)"); break; | |
2402 | case DW_ATE_float: printf ("(float)"); break; | |
2403 | case DW_ATE_signed: printf ("(signed)"); break; | |
2404 | case DW_ATE_signed_char: printf ("(signed char)"); break; | |
2405 | case DW_ATE_unsigned: printf ("(unsigned)"); break; | |
2406 | case DW_ATE_unsigned_char: printf ("(unsigned char)"); break; | |
e2a0d921 | 2407 | /* DWARF 2.1 values: */ |
19e6b90e L |
2408 | case DW_ATE_imaginary_float: printf ("(imaginary float)"); break; |
2409 | case DW_ATE_decimal_float: printf ("(decimal float)"); break; | |
e2a0d921 NC |
2410 | /* DWARF 3 values: */ |
2411 | case DW_ATE_packed_decimal: printf ("(packed_decimal)"); break; | |
2412 | case DW_ATE_numeric_string: printf ("(numeric_string)"); break; | |
2413 | case DW_ATE_edited: printf ("(edited)"); break; | |
2414 | case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break; | |
2415 | case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break; | |
04914e37 NC |
2416 | /* DWARF 4 values: */ |
2417 | case DW_ATE_UTF: printf ("(unicode string)"); break; | |
2418 | /* DWARF 5 values: */ | |
2419 | case DW_ATE_UCS: printf ("(UCS)"); break; | |
2420 | case DW_ATE_ASCII: printf ("(ASCII)"); break; | |
2421 | ||
e2a0d921 NC |
2422 | /* HP extensions: */ |
2423 | case DW_ATE_HP_float80: printf ("(HP_float80)"); break; | |
2424 | case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break; | |
2425 | case DW_ATE_HP_float128: printf ("(HP_float128)"); break; | |
2426 | case DW_ATE_HP_complex_float128:printf ("(HP_complex_float128)"); break; | |
2427 | case DW_ATE_HP_floathpintel: printf ("(HP_floathpintel)"); break; | |
2428 | case DW_ATE_HP_imaginary_float80: printf ("(HP_imaginary_float80)"); break; | |
2429 | case DW_ATE_HP_imaginary_float128: printf ("(HP_imaginary_float128)"); break; | |
2430 | ||
19e6b90e L |
2431 | default: |
2432 | if (uvalue >= DW_ATE_lo_user | |
2433 | && uvalue <= DW_ATE_hi_user) | |
9cf03b7e | 2434 | printf (_("(user defined type)")); |
19e6b90e | 2435 | else |
9cf03b7e | 2436 | printf (_("(unknown type)")); |
19e6b90e L |
2437 | break; |
2438 | } | |
2439 | break; | |
2440 | ||
2441 | case DW_AT_accessibility: | |
2e9e81a8 | 2442 | printf ("\t"); |
19e6b90e L |
2443 | switch (uvalue) |
2444 | { | |
2445 | case DW_ACCESS_public: printf ("(public)"); break; | |
2446 | case DW_ACCESS_protected: printf ("(protected)"); break; | |
2447 | case DW_ACCESS_private: printf ("(private)"); break; | |
2448 | default: | |
9cf03b7e | 2449 | printf (_("(unknown accessibility)")); |
19e6b90e L |
2450 | break; |
2451 | } | |
2452 | break; | |
2453 | ||
2454 | case DW_AT_visibility: | |
2e9e81a8 | 2455 | printf ("\t"); |
19e6b90e L |
2456 | switch (uvalue) |
2457 | { | |
2458 | case DW_VIS_local: printf ("(local)"); break; | |
2459 | case DW_VIS_exported: printf ("(exported)"); break; | |
2460 | case DW_VIS_qualified: printf ("(qualified)"); break; | |
9cf03b7e | 2461 | default: printf (_("(unknown visibility)")); break; |
19e6b90e L |
2462 | } |
2463 | break; | |
2464 | ||
04914e37 NC |
2465 | case DW_AT_endianity: |
2466 | printf ("\t"); | |
2467 | switch (uvalue) | |
2468 | { | |
2469 | case DW_END_default: printf ("(default)"); break; | |
2470 | case DW_END_big: printf ("(big)"); break; | |
2471 | case DW_END_little: printf ("(little)"); break; | |
2472 | default: | |
2473 | if (uvalue >= DW_END_lo_user && uvalue <= DW_END_hi_user) | |
2474 | printf (_("(user specified)")); | |
2475 | else | |
2476 | printf (_("(unknown endianity)")); | |
2477 | break; | |
2478 | } | |
2479 | break; | |
2480 | ||
19e6b90e | 2481 | case DW_AT_virtuality: |
2e9e81a8 | 2482 | printf ("\t"); |
19e6b90e L |
2483 | switch (uvalue) |
2484 | { | |
2485 | case DW_VIRTUALITY_none: printf ("(none)"); break; | |
2486 | case DW_VIRTUALITY_virtual: printf ("(virtual)"); break; | |
2487 | case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break; | |
9cf03b7e | 2488 | default: printf (_("(unknown virtuality)")); break; |
19e6b90e L |
2489 | } |
2490 | break; | |
2491 | ||
2492 | case DW_AT_identifier_case: | |
2e9e81a8 | 2493 | printf ("\t"); |
19e6b90e L |
2494 | switch (uvalue) |
2495 | { | |
2496 | case DW_ID_case_sensitive: printf ("(case_sensitive)"); break; | |
2497 | case DW_ID_up_case: printf ("(up_case)"); break; | |
2498 | case DW_ID_down_case: printf ("(down_case)"); break; | |
2499 | case DW_ID_case_insensitive: printf ("(case_insensitive)"); break; | |
9cf03b7e | 2500 | default: printf (_("(unknown case)")); break; |
19e6b90e L |
2501 | } |
2502 | break; | |
2503 | ||
2504 | case DW_AT_calling_convention: | |
2e9e81a8 | 2505 | printf ("\t"); |
19e6b90e L |
2506 | switch (uvalue) |
2507 | { | |
2508 | case DW_CC_normal: printf ("(normal)"); break; | |
2509 | case DW_CC_program: printf ("(program)"); break; | |
2510 | case DW_CC_nocall: printf ("(nocall)"); break; | |
04914e37 NC |
2511 | case DW_CC_pass_by_reference: printf ("(pass by ref)"); break; |
2512 | case DW_CC_pass_by_value: printf ("(pass by value)"); break; | |
2513 | case DW_CC_GNU_renesas_sh: printf ("(Rensas SH)"); break; | |
2514 | case DW_CC_GNU_borland_fastcall_i386: printf ("(Borland fastcall i386)"); break; | |
19e6b90e L |
2515 | default: |
2516 | if (uvalue >= DW_CC_lo_user | |
2517 | && uvalue <= DW_CC_hi_user) | |
9cf03b7e | 2518 | printf (_("(user defined)")); |
19e6b90e | 2519 | else |
9cf03b7e | 2520 | printf (_("(unknown convention)")); |
19e6b90e L |
2521 | } |
2522 | break; | |
2523 | ||
2524 | case DW_AT_ordering: | |
2e9e81a8 | 2525 | printf ("\t"); |
19e6b90e L |
2526 | switch (uvalue) |
2527 | { | |
04914e37 | 2528 | case 255: |
9cf03b7e | 2529 | case -1: printf (_("(undefined)")); break; |
19e6b90e L |
2530 | case 0: printf ("(row major)"); break; |
2531 | case 1: printf ("(column major)"); break; | |
2532 | } | |
2533 | break; | |
2534 | ||
04914e37 NC |
2535 | case DW_AT_decimal_sign: |
2536 | printf ("\t"); | |
2537 | switch (uvalue) | |
2538 | { | |
2539 | case DW_DS_unsigned: printf (_("(unsigned)")); break; | |
2540 | case DW_DS_leading_overpunch: printf (_("(leading overpunch)")); break; | |
2541 | case DW_DS_trailing_overpunch: printf (_("(trailing overpunch)")); break; | |
2542 | case DW_DS_leading_separate: printf (_("(leading separate)")); break; | |
2543 | case DW_DS_trailing_separate: printf (_("(trailing separate)")); break; | |
2544 | default: printf (_("(unrecognised)")); break; | |
2545 | } | |
2546 | break; | |
2547 | ||
2548 | case DW_AT_defaulted: | |
2549 | printf ("\t"); | |
2550 | switch (uvalue) | |
2551 | { | |
2552 | case DW_DEFAULTED_no: printf (_("(no)")); break; | |
2553 | case DW_DEFAULTED_in_class: printf (_("(in class)")); break; | |
2554 | case DW_DEFAULTED_out_of_class: printf (_("(out of class)")); break; | |
2555 | default: printf (_("(unrecognised)")); break; | |
2556 | } | |
2557 | break; | |
2558 | ||
2559 | case DW_AT_discr_list: | |
2560 | printf ("\t"); | |
2561 | switch (uvalue) | |
2562 | { | |
2563 | case DW_DSC_label: printf (_("(label)")); break; | |
2564 | case DW_DSC_range: printf (_("(range)")); break; | |
2565 | default: printf (_("(unrecognised)")); break; | |
2566 | } | |
2567 | break; | |
2568 | ||
19e6b90e L |
2569 | case DW_AT_frame_base: |
2570 | have_frame_base = 1; | |
1a0670f3 | 2571 | /* Fall through. */ |
19e6b90e | 2572 | case DW_AT_location: |
e2a0d921 NC |
2573 | case DW_AT_string_length: |
2574 | case DW_AT_return_addr: | |
19e6b90e L |
2575 | case DW_AT_data_member_location: |
2576 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
2577 | case DW_AT_segment: |
2578 | case DW_AT_static_link: | |
2579 | case DW_AT_use_location: | |
bc0a77d2 | 2580 | case DW_AT_call_value: |
629e7ca8 | 2581 | case DW_AT_GNU_call_site_value: |
bc0a77d2 | 2582 | case DW_AT_call_data_value: |
629e7ca8 | 2583 | case DW_AT_GNU_call_site_data_value: |
bc0a77d2 | 2584 | case DW_AT_call_target: |
629e7ca8 | 2585 | case DW_AT_GNU_call_site_target: |
bc0a77d2 | 2586 | case DW_AT_call_target_clobbered: |
629e7ca8 | 2587 | case DW_AT_GNU_call_site_target_clobbered: |
212b6063 | 2588 | if ((dwarf_version < 4 |
b4eb7656 | 2589 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 2590 | || form == DW_FORM_sec_offset) |
2e9e81a8 | 2591 | printf (_(" (location list)")); |
e2a0d921 | 2592 | /* Fall through. */ |
19e6b90e L |
2593 | case DW_AT_allocated: |
2594 | case DW_AT_associated: | |
2595 | case DW_AT_data_location: | |
2596 | case DW_AT_stride: | |
2597 | case DW_AT_upper_bound: | |
cecf136e | 2598 | case DW_AT_lower_bound: |
19e6b90e L |
2599 | if (block_start) |
2600 | { | |
2601 | int need_frame_base; | |
2602 | ||
2e9e81a8 | 2603 | printf ("\t("); |
19e6b90e L |
2604 | need_frame_base = decode_location_expression (block_start, |
2605 | pointer_size, | |
b7807392 JJ |
2606 | offset_size, |
2607 | dwarf_version, | |
19e6b90e | 2608 | uvalue, |
f1c4cc75 | 2609 | cu_offset, section); |
19e6b90e L |
2610 | printf (")"); |
2611 | if (need_frame_base && !have_frame_base) | |
2612 | printf (_(" [without DW_AT_frame_base]")); | |
2613 | } | |
19e6b90e L |
2614 | break; |
2615 | ||
c54207d3 NC |
2616 | case DW_AT_data_bit_offset: |
2617 | case DW_AT_byte_size: | |
2618 | case DW_AT_bit_size: | |
2619 | case DW_AT_string_length_byte_size: | |
2620 | case DW_AT_string_length_bit_size: | |
2621 | case DW_AT_bit_stride: | |
2622 | if (form == DW_FORM_exprloc) | |
2623 | { | |
2624 | printf ("\t("); | |
2625 | (void) decode_location_expression (block_start, pointer_size, | |
2626 | offset_size, dwarf_version, | |
2627 | uvalue, cu_offset, section); | |
2628 | printf (")"); | |
2629 | } | |
2630 | break; | |
2631 | ||
ec4d4525 NC |
2632 | case DW_AT_import: |
2633 | { | |
a081f3cd JJ |
2634 | if (form == DW_FORM_ref_sig8 |
2635 | || form == DW_FORM_GNU_ref_alt) | |
b4eb7656 | 2636 | break; |
2b6f5997 | 2637 | |
ec4d4525 NC |
2638 | if (form == DW_FORM_ref1 |
2639 | || form == DW_FORM_ref2 | |
a7a0b6a5 JK |
2640 | || form == DW_FORM_ref4 |
2641 | || form == DW_FORM_ref_udata) | |
ec4d4525 NC |
2642 | uvalue += cu_offset; |
2643 | ||
6e3d6dc1 | 2644 | if (uvalue >= section->size) |
f3853b34 | 2645 | warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset 0x%lx is too big.\n"), |
47704ddf KT |
2646 | dwarf_vmatoa ("x", uvalue), |
2647 | (unsigned long) (orig_data - section->start)); | |
6e3d6dc1 NC |
2648 | else |
2649 | { | |
2650 | unsigned long abbrev_number; | |
2651 | abbrev_entry * entry; | |
2652 | ||
f6f0e17b | 2653 | abbrev_number = read_uleb128 (section->start + uvalue, NULL, end); |
cecf136e | 2654 | |
2e9e81a8 | 2655 | printf (_("\t[Abbrev Number: %ld"), abbrev_number); |
afd6e1ff JJ |
2656 | /* Don't look up abbrev for DW_FORM_ref_addr, as it very often will |
2657 | use different abbrev table, and we don't track .debug_info chunks | |
2658 | yet. */ | |
2659 | if (form != DW_FORM_ref_addr) | |
2660 | { | |
2661 | for (entry = first_abbrev; entry != NULL; entry = entry->next) | |
2662 | if (entry->entry == abbrev_number) | |
2663 | break; | |
2664 | if (entry != NULL) | |
2665 | printf (" (%s)", get_TAG_name (entry->tag)); | |
2666 | } | |
6e3d6dc1 NC |
2667 | printf ("]"); |
2668 | } | |
ec4d4525 NC |
2669 | } |
2670 | break; | |
2671 | ||
19e6b90e L |
2672 | default: |
2673 | break; | |
2674 | } | |
2675 | ||
2676 | return data; | |
2677 | } | |
2678 | ||
19e6b90e | 2679 | static unsigned char * |
dda8d76d NC |
2680 | read_and_display_attr (unsigned long attribute, |
2681 | unsigned long form, | |
2682 | dwarf_signed_vma implicit_const, | |
2683 | unsigned char * data, | |
2684 | unsigned char * end, | |
2685 | dwarf_vma cu_offset, | |
2686 | dwarf_vma pointer_size, | |
2687 | dwarf_vma offset_size, | |
2688 | int dwarf_version, | |
2689 | debug_info * debug_info_p, | |
2690 | int do_loc, | |
2691 | struct dwarf_section * section, | |
2692 | struct cu_tu_set * this_set) | |
19e6b90e L |
2693 | { |
2694 | if (!do_loc) | |
750f03b7 | 2695 | printf (" %-18s:", get_AT_name (attribute)); |
77145576 | 2696 | data = read_and_display_attr_value (attribute, form, implicit_const, data, end, |
f6f0e17b | 2697 | cu_offset, pointer_size, offset_size, |
19e6b90e | 2698 | dwarf_version, debug_info_p, |
ef0b5f1c | 2699 | do_loc, section, this_set, ' '); |
19e6b90e L |
2700 | if (!do_loc) |
2701 | printf ("\n"); | |
2702 | return data; | |
2703 | } | |
2704 | ||
dda8d76d NC |
2705 | /* Like load_debug_section, but if the ordinary call fails, and we are |
2706 | following debug links, and we have been able to load a separate debug | |
2707 | info file, then attempt to load the requested section from the separate | |
2708 | file. */ | |
2709 | ||
2710 | static bfd_boolean | |
2711 | load_debug_section_with_follow (enum dwarf_section_display_enum sec_enum, | |
2712 | void * data) | |
2713 | { | |
2714 | if (load_debug_section (sec_enum, data)) | |
2715 | { | |
2716 | if (data == separate_debug_file) | |
2717 | debug_displays[sec_enum].section.filename = separate_debug_filename; | |
2718 | ||
2719 | /* FIXME: We should check to see if there is a separate debug info file | |
2720 | that also contains this section, and if so, issue a warning. */ | |
2721 | return TRUE; | |
2722 | } | |
2723 | ||
2724 | if (do_follow_links && separate_debug_file != NULL) | |
2725 | if (load_debug_section (sec_enum, separate_debug_file)) | |
2726 | { | |
2727 | debug_displays[sec_enum].section.filename = separate_debug_filename; | |
2728 | return TRUE; | |
2729 | } | |
2730 | ||
2731 | return FALSE; | |
2732 | } | |
2733 | ||
2734 | static void | |
2735 | introduce (struct dwarf_section * section, bfd_boolean raw) | |
2736 | { | |
2737 | if (raw) | |
2738 | { | |
2739 | if (do_follow_links && section->filename) | |
2740 | printf (_("Raw dump of debug contents of section %s (loaded from %s):\n\n"), | |
2741 | section->name, section->filename); | |
2742 | else | |
2743 | printf (_("Raw dump of debug contents of section %s:\n\n"), section->name); | |
2744 | } | |
2745 | else | |
2746 | { | |
2747 | if (do_follow_links && section->filename) | |
2748 | printf (_("Contents of the %s section (loaded from %s):\n\n"), | |
2749 | section->name, section->filename); | |
2750 | else | |
2751 | printf (_("Contents of the %s section:\n\n"), section->name); | |
2752 | } | |
2753 | } | |
2754 | ||
d85bf2ba NC |
2755 | /* Process the contents of a .debug_info section. |
2756 | If do_loc is TRUE then we are scanning for location lists and dwo tags | |
2757 | and we do not want to display anything to the user. | |
2758 | If do_types is TRUE, we are processing a .debug_types section instead of | |
2759 | a .debug_info section. | |
2760 | The information displayed is restricted by the values in DWARF_START_DIE | |
2761 | and DWARF_CUTOFF_LEVEL. | |
2762 | Returns TRUE upon success. Otherwise an error or warning message is | |
2763 | printed and FALSE is returned. */ | |
19e6b90e | 2764 | |
d85bf2ba NC |
2765 | static bfd_boolean |
2766 | process_debug_info (struct dwarf_section * section, | |
2767 | void * file, | |
2768 | enum dwarf_section_display_enum abbrev_sec, | |
2769 | bfd_boolean do_loc, | |
2770 | bfd_boolean do_types) | |
19e6b90e L |
2771 | { |
2772 | unsigned char *start = section->start; | |
2773 | unsigned char *end = start + section->size; | |
2774 | unsigned char *section_begin; | |
2775 | unsigned int unit; | |
2776 | unsigned int num_units = 0; | |
2777 | ||
2778 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
2779 | && num_debug_info_entries == 0 |
2780 | && ! do_types) | |
19e6b90e | 2781 | { |
767221a9 | 2782 | dwarf_vma length; |
19e6b90e L |
2783 | |
2784 | /* First scan the section to get the number of comp units. */ | |
2785 | for (section_begin = start, num_units = 0; section_begin < end; | |
2786 | num_units ++) | |
2787 | { | |
2788 | /* Read the first 4 bytes. For a 32-bit DWARF section, this | |
2789 | will be the length. For a 64-bit DWARF section, it'll be | |
2790 | the escape code 0xffffffff followed by an 8 byte length. */ | |
0c588247 | 2791 | SAFE_BYTE_GET (length, section_begin, 4, end); |
19e6b90e L |
2792 | |
2793 | if (length == 0xffffffff) | |
2794 | { | |
0c588247 | 2795 | SAFE_BYTE_GET (length, section_begin + 4, 8, end); |
19e6b90e L |
2796 | section_begin += length + 12; |
2797 | } | |
ec4d4525 NC |
2798 | else if (length >= 0xfffffff0 && length < 0xffffffff) |
2799 | { | |
767221a9 NC |
2800 | warn (_("Reserved length value (0x%s) found in section %s\n"), |
2801 | dwarf_vmatoa ("x", length), section->name); | |
d85bf2ba | 2802 | return FALSE; |
ec4d4525 | 2803 | } |
19e6b90e L |
2804 | else |
2805 | section_begin += length + 4; | |
aca88567 NC |
2806 | |
2807 | /* Negative values are illegal, they may even cause infinite | |
2808 | looping. This can happen if we can't accurately apply | |
f3853b34 NC |
2809 | relocations to an object file, or if the file is corrupt. */ |
2810 | if ((signed long) length <= 0 || section_begin < start) | |
aca88567 | 2811 | { |
767221a9 NC |
2812 | warn (_("Corrupt unit length (0x%s) found in section %s\n"), |
2813 | dwarf_vmatoa ("x", length), section->name); | |
d85bf2ba | 2814 | return FALSE; |
aca88567 | 2815 | } |
19e6b90e L |
2816 | } |
2817 | ||
2818 | if (num_units == 0) | |
2819 | { | |
f41e4712 | 2820 | error (_("No comp units in %s section ?\n"), section->name); |
d85bf2ba | 2821 | return FALSE; |
19e6b90e L |
2822 | } |
2823 | ||
2824 | /* Then allocate an array to hold the information. */ | |
3f5e193b | 2825 | debug_information = (debug_info *) cmalloc (num_units, |
1306a742 | 2826 | sizeof (* debug_information)); |
19e6b90e L |
2827 | if (debug_information == NULL) |
2828 | { | |
f41e4712 | 2829 | error (_("Not enough memory for a debug info array of %u entries\n"), |
19e6b90e | 2830 | num_units); |
82b1b41b | 2831 | alloc_num_debug_info_entries = num_debug_info_entries = 0; |
d85bf2ba | 2832 | return FALSE; |
19e6b90e | 2833 | } |
d85bf2ba | 2834 | |
03a91817 NC |
2835 | /* PR 17531: file: 92ca3797. |
2836 | We cannot rely upon the debug_information array being initialised | |
2837 | before it is used. A corrupt file could easily contain references | |
2838 | to a unit for which information has not been made available. So | |
2839 | we ensure that the array is zeroed here. */ | |
b4eb7656 AM |
2840 | memset (debug_information, 0, num_units * sizeof (*debug_information)); |
2841 | ||
82b1b41b | 2842 | alloc_num_debug_info_entries = num_units; |
19e6b90e L |
2843 | } |
2844 | ||
2845 | if (!do_loc) | |
2846 | { | |
dda8d76d NC |
2847 | load_debug_section_with_follow (str, file); |
2848 | load_debug_section_with_follow (line_str, file); | |
2849 | load_debug_section_with_follow (str_dwo, file); | |
2850 | load_debug_section_with_follow (str_index, file); | |
2851 | load_debug_section_with_follow (str_index_dwo, file); | |
2852 | load_debug_section_with_follow (debug_addr, file); | |
19e6b90e L |
2853 | } |
2854 | ||
dda8d76d | 2855 | load_debug_section_with_follow (abbrev_sec, file); |
6f875884 | 2856 | if (debug_displays [abbrev_sec].section.start == NULL) |
19e6b90e L |
2857 | { |
2858 | warn (_("Unable to locate %s section!\n"), | |
dda8d76d | 2859 | debug_displays [abbrev_sec].section.uncompressed_name); |
d85bf2ba | 2860 | return FALSE; |
19e6b90e L |
2861 | } |
2862 | ||
dda8d76d NC |
2863 | if (!do_loc && dwarf_start_die == 0) |
2864 | introduce (section, FALSE); | |
2865 | ||
19e6b90e L |
2866 | for (section_begin = start, unit = 0; start < end; unit++) |
2867 | { | |
2868 | DWARF2_Internal_CompUnit compunit; | |
2869 | unsigned char *hdrptr; | |
19e6b90e | 2870 | unsigned char *tags; |
fd2f0033 | 2871 | int level, last_level, saved_level; |
467c65bc | 2872 | dwarf_vma cu_offset; |
e98fdf1a | 2873 | unsigned long sec_off; |
bf5117e3 | 2874 | unsigned int offset_size; |
19485196 | 2875 | unsigned int initial_length_size; |
74bc6052 CC |
2876 | dwarf_vma signature_high = 0; |
2877 | dwarf_vma signature_low = 0; | |
767221a9 | 2878 | dwarf_vma type_offset = 0; |
341f9135 CC |
2879 | struct cu_tu_set *this_set; |
2880 | dwarf_vma abbrev_base; | |
2881 | size_t abbrev_size; | |
19e6b90e L |
2882 | |
2883 | hdrptr = start; | |
2884 | ||
0c588247 | 2885 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end); |
19e6b90e L |
2886 | |
2887 | if (compunit.cu_length == 0xffffffff) | |
2888 | { | |
0c588247 | 2889 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end); |
19e6b90e L |
2890 | offset_size = 8; |
2891 | initial_length_size = 12; | |
2892 | } | |
2893 | else | |
2894 | { | |
2895 | offset_size = 4; | |
2896 | initial_length_size = 4; | |
2897 | } | |
2898 | ||
0c588247 | 2899 | SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end); |
19e6b90e L |
2900 | |
2901 | cu_offset = start - section_begin; | |
19e6b90e | 2902 | |
341f9135 CC |
2903 | this_set = find_cu_tu_set_v2 (cu_offset, do_types); |
2904 | ||
77145576 JK |
2905 | if (compunit.cu_version < 5) |
2906 | { | |
2907 | compunit.cu_unit_type = DW_UT_compile; | |
2908 | /* Initialize it due to a false compiler warning. */ | |
2909 | compunit.cu_pointer_size = -1; | |
2910 | } | |
2911 | else | |
2912 | { | |
2913 | SAFE_BYTE_GET_AND_INC (compunit.cu_unit_type, hdrptr, 1, end); | |
2914 | do_types = (compunit.cu_unit_type == DW_UT_type); | |
2915 | ||
2916 | SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end); | |
2917 | } | |
2918 | ||
0c588247 | 2919 | SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end); |
19e6b90e | 2920 | |
341f9135 CC |
2921 | if (this_set == NULL) |
2922 | { | |
2923 | abbrev_base = 0; | |
2924 | abbrev_size = debug_displays [abbrev_sec].section.size; | |
2925 | } | |
2926 | else | |
2927 | { | |
2928 | abbrev_base = this_set->section_offsets [DW_SECT_ABBREV]; | |
2929 | abbrev_size = this_set->section_sizes [DW_SECT_ABBREV]; | |
2930 | } | |
2931 | ||
77145576 JK |
2932 | if (compunit.cu_version < 5) |
2933 | SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end); | |
2934 | ||
f41e4712 NC |
2935 | /* PR 17512: file: 001-108546-0.001:0.1. */ |
2936 | if (compunit.cu_pointer_size < 2 || compunit.cu_pointer_size > 8) | |
2937 | { | |
2938 | warn (_("Invalid pointer size (%d) in compunit header, using %d instead\n"), | |
2939 | compunit.cu_pointer_size, offset_size); | |
2940 | compunit.cu_pointer_size = offset_size; | |
2941 | } | |
2b6f5997 CC |
2942 | |
2943 | if (do_types) | |
b4eb7656 | 2944 | { |
0c588247 | 2945 | SAFE_BYTE_GET64 (hdrptr, &signature_high, &signature_low, end); |
f048b142 | 2946 | hdrptr += 8; |
0c588247 | 2947 | SAFE_BYTE_GET_AND_INC (type_offset, hdrptr, offset_size, end); |
b4eb7656 | 2948 | } |
2b6f5997 | 2949 | |
ae7e7825 NC |
2950 | if (dwarf_start_die > (cu_offset + compunit.cu_length |
2951 | + initial_length_size)) | |
2952 | { | |
2953 | start = section_begin + cu_offset + compunit.cu_length | |
2954 | + initial_length_size; | |
2955 | continue; | |
2956 | } | |
2957 | ||
19e6b90e | 2958 | if ((do_loc || do_debug_loc || do_debug_ranges) |
2b6f5997 CC |
2959 | && num_debug_info_entries == 0 |
2960 | && ! do_types) | |
19e6b90e L |
2961 | { |
2962 | debug_information [unit].cu_offset = cu_offset; | |
2963 | debug_information [unit].pointer_size | |
2964 | = compunit.cu_pointer_size; | |
b7807392 JJ |
2965 | debug_information [unit].offset_size = offset_size; |
2966 | debug_information [unit].dwarf_version = compunit.cu_version; | |
19e6b90e | 2967 | debug_information [unit].base_address = 0; |
4723351a CC |
2968 | debug_information [unit].addr_base = DEBUG_INFO_UNAVAILABLE; |
2969 | debug_information [unit].ranges_base = DEBUG_INFO_UNAVAILABLE; | |
19e6b90e L |
2970 | debug_information [unit].loc_offsets = NULL; |
2971 | debug_information [unit].have_frame_base = NULL; | |
2972 | debug_information [unit].max_loc_offsets = 0; | |
2973 | debug_information [unit].num_loc_offsets = 0; | |
2974 | debug_information [unit].range_lists = NULL; | |
2975 | debug_information [unit].max_range_lists= 0; | |
2976 | debug_information [unit].num_range_lists = 0; | |
2977 | } | |
2978 | ||
fd2f0033 | 2979 | if (!do_loc && dwarf_start_die == 0) |
19e6b90e | 2980 | { |
47704ddf KT |
2981 | printf (_(" Compilation Unit @ offset 0x%s:\n"), |
2982 | dwarf_vmatoa ("x", cu_offset)); | |
2983 | printf (_(" Length: 0x%s (%s)\n"), | |
2984 | dwarf_vmatoa ("x", compunit.cu_length), | |
49e7b350 | 2985 | offset_size == 8 ? "64-bit" : "32-bit"); |
19e6b90e | 2986 | printf (_(" Version: %d\n"), compunit.cu_version); |
7282333f AM |
2987 | printf (_(" Abbrev Offset: 0x%s\n"), |
2988 | dwarf_vmatoa ("x", compunit.cu_abbrev_offset)); | |
19e6b90e | 2989 | printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size); |
2b6f5997 CC |
2990 | if (do_types) |
2991 | { | |
74bc6052 CC |
2992 | char buf[64]; |
2993 | ||
2994 | printf (_(" Signature: 0x%s\n"), | |
2995 | dwarf_vmatoa64 (signature_high, signature_low, | |
2996 | buf, sizeof (buf))); | |
2997 | printf (_(" Type Offset: 0x%s\n"), | |
2998 | dwarf_vmatoa ("x", type_offset)); | |
2b6f5997 | 2999 | } |
341f9135 CC |
3000 | if (this_set != NULL) |
3001 | { | |
3002 | dwarf_vma *offsets = this_set->section_offsets; | |
3003 | size_t *sizes = this_set->section_sizes; | |
3004 | ||
3005 | printf (_(" Section contributions:\n")); | |
3006 | printf (_(" .debug_abbrev.dwo: 0x%s 0x%s\n"), | |
3007 | dwarf_vmatoa ("x", offsets [DW_SECT_ABBREV]), | |
3008 | dwarf_vmatoa ("x", sizes [DW_SECT_ABBREV])); | |
3009 | printf (_(" .debug_line.dwo: 0x%s 0x%s\n"), | |
3010 | dwarf_vmatoa ("x", offsets [DW_SECT_LINE]), | |
3011 | dwarf_vmatoa ("x", sizes [DW_SECT_LINE])); | |
3012 | printf (_(" .debug_loc.dwo: 0x%s 0x%s\n"), | |
3013 | dwarf_vmatoa ("x", offsets [DW_SECT_LOC]), | |
3014 | dwarf_vmatoa ("x", sizes [DW_SECT_LOC])); | |
3015 | printf (_(" .debug_str_offsets.dwo: 0x%s 0x%s\n"), | |
3016 | dwarf_vmatoa ("x", offsets [DW_SECT_STR_OFFSETS]), | |
3017 | dwarf_vmatoa ("x", sizes [DW_SECT_STR_OFFSETS])); | |
3018 | } | |
19e6b90e L |
3019 | } |
3020 | ||
e98fdf1a AM |
3021 | sec_off = cu_offset + initial_length_size; |
3022 | if (sec_off + compunit.cu_length < sec_off | |
3023 | || sec_off + compunit.cu_length > section->size) | |
460c89ff | 3024 | { |
e98fdf1a AM |
3025 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), |
3026 | section->name, | |
3027 | (unsigned long) cu_offset, | |
19485196 NC |
3028 | dwarf_vmatoa ("x", compunit.cu_length)); |
3029 | num_units = unit; | |
3030 | break; | |
3031 | } | |
3032 | ||
460c89ff NS |
3033 | tags = hdrptr; |
3034 | start += compunit.cu_length + initial_length_size; | |
3035 | ||
77145576 | 3036 | if (compunit.cu_version < 2 || compunit.cu_version > 5) |
19e6b90e | 3037 | { |
47704ddf KT |
3038 | warn (_("CU at offset %s contains corrupt or " |
3039 | "unsupported version number: %d.\n"), | |
3040 | dwarf_vmatoa ("x", cu_offset), compunit.cu_version); | |
19e6b90e L |
3041 | continue; |
3042 | } | |
3043 | ||
77145576 JK |
3044 | if (compunit.cu_unit_type != DW_UT_compile |
3045 | && compunit.cu_unit_type != DW_UT_type) | |
3046 | { | |
3047 | warn (_("CU at offset %s contains corrupt or " | |
3048 | "unsupported unit type: %d.\n"), | |
3049 | dwarf_vmatoa ("x", cu_offset), compunit.cu_unit_type); | |
3050 | continue; | |
3051 | } | |
3052 | ||
19e6b90e L |
3053 | free_abbrevs (); |
3054 | ||
d493b283 | 3055 | /* Process the abbrevs used by this compilation unit. */ |
341f9135 | 3056 | if (compunit.cu_abbrev_offset >= abbrev_size) |
ec4d4525 NC |
3057 | warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"), |
3058 | (unsigned long) compunit.cu_abbrev_offset, | |
341f9135 | 3059 | (unsigned long) abbrev_size); |
b4eb7656 | 3060 | /* PR 17531: file:4bcd9ce9. */ |
a0a3b04c L |
3061 | else if ((abbrev_base + abbrev_size) |
3062 | > debug_displays [abbrev_sec].section.size) | |
3063 | warn (_("Debug info is corrupted, abbrev size (%lx) is larger than abbrev section size (%lx)\n"), | |
3064 | (unsigned long) abbrev_base + abbrev_size, | |
3065 | (unsigned long) debug_displays [abbrev_sec].section.size); | |
460c89ff NS |
3066 | else |
3067 | process_abbrev_section | |
341f9135 CC |
3068 | (((unsigned char *) debug_displays [abbrev_sec].section.start |
3069 | + abbrev_base + compunit.cu_abbrev_offset), | |
3070 | ((unsigned char *) debug_displays [abbrev_sec].section.start | |
3071 | + abbrev_base + abbrev_size)); | |
19e6b90e L |
3072 | |
3073 | level = 0; | |
fd2f0033 TT |
3074 | last_level = level; |
3075 | saved_level = -1; | |
19e6b90e L |
3076 | while (tags < start) |
3077 | { | |
3078 | unsigned int bytes_read; | |
3079 | unsigned long abbrev_number; | |
ec4d4525 | 3080 | unsigned long die_offset; |
19e6b90e L |
3081 | abbrev_entry *entry; |
3082 | abbrev_attr *attr; | |
fd2f0033 | 3083 | int do_printing = 1; |
19e6b90e | 3084 | |
ec4d4525 NC |
3085 | die_offset = tags - section_begin; |
3086 | ||
f6f0e17b | 3087 | abbrev_number = read_uleb128 (tags, & bytes_read, start); |
19e6b90e L |
3088 | tags += bytes_read; |
3089 | ||
eb7cc021 JK |
3090 | /* A null DIE marks the end of a list of siblings or it may also be |
3091 | a section padding. */ | |
19e6b90e L |
3092 | if (abbrev_number == 0) |
3093 | { | |
eb7cc021 JK |
3094 | /* Check if it can be a section padding for the last CU. */ |
3095 | if (level == 0 && start == end) | |
3096 | { | |
3097 | unsigned char *chk; | |
3098 | ||
3099 | for (chk = tags; chk < start; chk++) | |
3100 | if (*chk != 0) | |
3101 | break; | |
3102 | if (chk == start) | |
3103 | break; | |
3104 | } | |
3105 | ||
4337774f TT |
3106 | if (!do_loc && die_offset >= dwarf_start_die |
3107 | && (dwarf_cutoff_level == -1 | |
3108 | || level < dwarf_cutoff_level)) | |
399c99f7 L |
3109 | printf (_(" <%d><%lx>: Abbrev Number: 0\n"), |
3110 | level, die_offset); | |
3111 | ||
19e6b90e | 3112 | --level; |
ec4d4525 NC |
3113 | if (level < 0) |
3114 | { | |
3115 | static unsigned num_bogus_warns = 0; | |
3116 | ||
3117 | if (num_bogus_warns < 3) | |
3118 | { | |
4723351a CC |
3119 | warn (_("Bogus end-of-siblings marker detected at offset %lx in %s section\n"), |
3120 | die_offset, section->name); | |
ec4d4525 NC |
3121 | num_bogus_warns ++; |
3122 | if (num_bogus_warns == 3) | |
3123 | warn (_("Further warnings about bogus end-of-sibling markers suppressed\n")); | |
3124 | } | |
3125 | } | |
fd2f0033 | 3126 | if (dwarf_start_die != 0 && level < saved_level) |
d85bf2ba | 3127 | return TRUE; |
19e6b90e L |
3128 | continue; |
3129 | } | |
3130 | ||
4b78141a | 3131 | if (!do_loc) |
fd2f0033 TT |
3132 | { |
3133 | if (dwarf_start_die != 0 && die_offset < dwarf_start_die) | |
3134 | do_printing = 0; | |
3135 | else | |
3136 | { | |
3137 | if (dwarf_start_die != 0 && die_offset == dwarf_start_die) | |
3138 | saved_level = level; | |
3139 | do_printing = (dwarf_cutoff_level == -1 | |
3140 | || level < dwarf_cutoff_level); | |
3141 | if (do_printing) | |
3142 | printf (_(" <%d><%lx>: Abbrev Number: %lu"), | |
3143 | level, die_offset, abbrev_number); | |
3144 | else if (dwarf_cutoff_level == -1 | |
3145 | || last_level < dwarf_cutoff_level) | |
3146 | printf (_(" <%d><%lx>: ...\n"), level, die_offset); | |
3147 | last_level = level; | |
3148 | } | |
3149 | } | |
cecf136e | 3150 | |
19e6b90e L |
3151 | /* Scan through the abbreviation list until we reach the |
3152 | correct entry. */ | |
3153 | for (entry = first_abbrev; | |
3154 | entry && entry->entry != abbrev_number; | |
3155 | entry = entry->next) | |
3156 | continue; | |
3157 | ||
3158 | if (entry == NULL) | |
3159 | { | |
fd2f0033 | 3160 | if (!do_loc && do_printing) |
4b78141a NC |
3161 | { |
3162 | printf ("\n"); | |
3163 | fflush (stdout); | |
3164 | } | |
f3853b34 | 3165 | warn (_("DIE at offset 0x%lx refers to abbreviation number %lu which does not exist\n"), |
cc86f28f | 3166 | die_offset, abbrev_number); |
d85bf2ba | 3167 | return FALSE; |
19e6b90e L |
3168 | } |
3169 | ||
fd2f0033 | 3170 | if (!do_loc && do_printing) |
cc5914eb | 3171 | printf (" (%s)\n", get_TAG_name (entry->tag)); |
cecf136e | 3172 | |
19e6b90e L |
3173 | switch (entry->tag) |
3174 | { | |
3175 | default: | |
3176 | need_base_address = 0; | |
3177 | break; | |
3178 | case DW_TAG_compile_unit: | |
d85bf2ba NC |
3179 | need_base_address = 1; |
3180 | need_dwo_info = do_loc; | |
19e6b90e L |
3181 | break; |
3182 | case DW_TAG_entry_point: | |
19e6b90e L |
3183 | case DW_TAG_subprogram: |
3184 | need_base_address = 0; | |
3185 | /* Assuming that there is no DW_AT_frame_base. */ | |
3186 | have_frame_base = 0; | |
3187 | break; | |
3188 | } | |
3189 | ||
9f272209 AO |
3190 | debug_info *debug_info_p = |
3191 | (debug_information && unit < alloc_num_debug_info_entries) | |
3192 | ? debug_information + unit : NULL; | |
3193 | ||
3194 | assert (!debug_info_p | |
3195 | || (debug_info_p->num_loc_offsets | |
3196 | == debug_info_p->num_loc_views)); | |
3197 | ||
399c99f7 L |
3198 | for (attr = entry->first_attr; |
3199 | attr && attr->attribute; | |
3200 | attr = attr->next) | |
4b78141a | 3201 | { |
fd2f0033 | 3202 | if (! do_loc && do_printing) |
4b78141a | 3203 | /* Show the offset from where the tag was extracted. */ |
fd2f0033 TT |
3204 | printf (" <%lx>", (unsigned long)(tags - section_begin)); |
3205 | ||
4b78141a NC |
3206 | tags = read_and_display_attr (attr->attribute, |
3207 | attr->form, | |
77145576 | 3208 | attr->implicit_const, |
341f9135 | 3209 | tags, |
f6f0e17b | 3210 | end, |
341f9135 | 3211 | cu_offset, |
4b78141a NC |
3212 | compunit.cu_pointer_size, |
3213 | offset_size, | |
3214 | compunit.cu_version, | |
9f272209 | 3215 | debug_info_p, |
341f9135 CC |
3216 | do_loc || ! do_printing, |
3217 | section, | |
3218 | this_set); | |
4b78141a | 3219 | } |
cecf136e | 3220 | |
9f272209 AO |
3221 | /* If a locview attribute appears before a location one, |
3222 | make sure we don't associate it with an earlier | |
3223 | loclist. */ | |
3224 | if (debug_info_p) | |
3225 | switch (debug_info_p->num_loc_offsets - debug_info_p->num_loc_views) | |
3226 | { | |
3227 | case 1: | |
3228 | debug_info_p->loc_views [debug_info_p->num_loc_views] = vm1; | |
3229 | debug_info_p->num_loc_views++; | |
3230 | assert (debug_info_p->num_loc_views | |
3231 | == debug_info_p->num_loc_offsets); | |
3232 | break; | |
3233 | ||
3234 | case 0: | |
3235 | break; | |
3236 | ||
3237 | case -1: | |
3238 | warn(_("DIE has locviews without loclist\n")); | |
3239 | debug_info_p->num_loc_views--; | |
3240 | break; | |
3241 | ||
3242 | default: | |
3243 | assert (0); | |
3244 | } | |
3245 | ||
b4eb7656 AM |
3246 | if (entry->children) |
3247 | ++level; | |
3248 | } | |
19e6b90e | 3249 | } |
cecf136e | 3250 | |
19e6b90e L |
3251 | /* Set num_debug_info_entries here so that it can be used to check if |
3252 | we need to process .debug_loc and .debug_ranges sections. */ | |
3253 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
3254 | && num_debug_info_entries == 0 |
3255 | && ! do_types) | |
82b1b41b | 3256 | { |
b4eb7656 | 3257 | if (num_units > alloc_num_debug_info_entries) |
82b1b41b NC |
3258 | num_debug_info_entries = alloc_num_debug_info_entries; |
3259 | else | |
3260 | num_debug_info_entries = num_units; | |
3261 | } | |
cecf136e | 3262 | |
19e6b90e | 3263 | if (!do_loc) |
467c65bc | 3264 | printf ("\n"); |
cecf136e | 3265 | |
d85bf2ba | 3266 | return TRUE; |
19e6b90e L |
3267 | } |
3268 | ||
3269 | /* Locate and scan the .debug_info section in the file and record the pointer | |
3270 | sizes and offsets for the compilation units in it. Usually an executable | |
3271 | will have just one pointer size, but this is not guaranteed, and so we try | |
3272 | not to make any assumptions. Returns zero upon failure, or the number of | |
3273 | compilation units upon success. */ | |
3274 | ||
3275 | static unsigned int | |
3276 | load_debug_info (void * file) | |
3277 | { | |
1febe64d | 3278 | /* If we have already tried and failed to load the .debug_info |
657d0d47 | 3279 | section then do not bother to repeat the task. */ |
cc86f28f | 3280 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) |
1febe64d NC |
3281 | return 0; |
3282 | ||
19e6b90e L |
3283 | /* If we already have the information there is nothing else to do. */ |
3284 | if (num_debug_info_entries > 0) | |
3285 | return num_debug_info_entries; | |
3286 | ||
341f9135 | 3287 | /* If this is a DWARF package file, load the CU and TU indexes. */ |
43a444f9 | 3288 | (void) load_cu_tu_indexes (file); |
341f9135 | 3289 | |
dda8d76d | 3290 | if (load_debug_section_with_follow (info, file) |
d85bf2ba | 3291 | && process_debug_info (&debug_displays [info].section, file, abbrev, TRUE, FALSE)) |
19e6b90e | 3292 | return num_debug_info_entries; |
82b1b41b | 3293 | |
dda8d76d | 3294 | if (load_debug_section_with_follow (info_dwo, file) |
82b1b41b | 3295 | && process_debug_info (&debug_displays [info_dwo].section, file, |
d85bf2ba | 3296 | abbrev_dwo, TRUE, FALSE)) |
4723351a | 3297 | return num_debug_info_entries; |
1febe64d | 3298 | |
cc86f28f | 3299 | num_debug_info_entries = DEBUG_INFO_UNAVAILABLE; |
1febe64d | 3300 | return 0; |
19e6b90e L |
3301 | } |
3302 | ||
b40bf0a2 NC |
3303 | /* Read a DWARF .debug_line section header starting at DATA. |
3304 | Upon success returns an updated DATA pointer and the LINFO | |
3305 | structure and the END_OF_SEQUENCE pointer will be filled in. | |
3306 | Otherwise returns NULL. */ | |
19e6b90e | 3307 | |
b40bf0a2 NC |
3308 | static unsigned char * |
3309 | read_debug_line_header (struct dwarf_section * section, | |
3310 | unsigned char * data, | |
3311 | unsigned char * end, | |
3312 | DWARF2_Internal_LineInfo * linfo, | |
3313 | unsigned char ** end_of_sequence) | |
3314 | { | |
3315 | unsigned char *hdrptr; | |
b40bf0a2 | 3316 | unsigned int initial_length_size; |
77145576 | 3317 | unsigned char address_size, segment_selector_size; |
19e6b90e | 3318 | |
b40bf0a2 NC |
3319 | /* Extract information from the Line Number Program Header. |
3320 | (section 6.2.4 in the Dwarf3 doc). */ | |
6937bb54 | 3321 | hdrptr = data; |
19e6b90e | 3322 | |
b40bf0a2 NC |
3323 | /* Get and check the length of the block. */ |
3324 | SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 4, end); | |
19e6b90e | 3325 | |
b40bf0a2 | 3326 | if (linfo->li_length == 0xffffffff) |
f41e4712 NC |
3327 | { |
3328 | /* This section is 64-bit DWARF 3. */ | |
b40bf0a2 | 3329 | SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end); |
77145576 | 3330 | linfo->li_offset_size = 8; |
f41e4712 NC |
3331 | initial_length_size = 12; |
3332 | } | |
3333 | else | |
3334 | { | |
77145576 | 3335 | linfo->li_offset_size = 4; |
f41e4712 NC |
3336 | initial_length_size = 4; |
3337 | } | |
19e6b90e | 3338 | |
b40bf0a2 | 3339 | if (linfo->li_length + initial_length_size > section->size) |
f41e4712 | 3340 | { |
8fcc61b4 NC |
3341 | /* If the length field has a relocation against it, then we should |
3342 | not complain if it is inaccurate (and probably negative). This | |
3343 | happens in object files when the .debug_line section is actually | |
3344 | comprised of several different .debug_line.* sections, (some of | |
3345 | which may be removed by linker garbage collection), and a relocation | |
3346 | is used to compute the correct length once that is done. */ | |
77145576 | 3347 | if (reloc_at (section, (hdrptr - section->start) - linfo->li_offset_size)) |
b40bf0a2 | 3348 | { |
8fcc61b4 | 3349 | linfo->li_length = (end - data) - initial_length_size; |
b40bf0a2 NC |
3350 | } |
3351 | else | |
3352 | { | |
8fcc61b4 NC |
3353 | warn (_("The length field (0x%lx) in the debug_line header is wrong - the section is too small\n"), |
3354 | (long) linfo->li_length); | |
b40bf0a2 NC |
3355 | return NULL; |
3356 | } | |
f41e4712 | 3357 | } |
19e6b90e | 3358 | |
b40bf0a2 NC |
3359 | /* Get and check the version number. */ |
3360 | SAFE_BYTE_GET_AND_INC (linfo->li_version, hdrptr, 2, end); | |
3361 | ||
3362 | if (linfo->li_version != 2 | |
3363 | && linfo->li_version != 3 | |
77145576 JK |
3364 | && linfo->li_version != 4 |
3365 | && linfo->li_version != 5) | |
f41e4712 | 3366 | { |
77145576 JK |
3367 | warn (_("Only DWARF version 2, 3, 4 and 5 line info " |
3368 | "is currently supported.\n")); | |
b40bf0a2 | 3369 | return NULL; |
f41e4712 | 3370 | } |
19e6b90e | 3371 | |
77145576 JK |
3372 | if (linfo->li_version >= 5) |
3373 | { | |
3374 | SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end); | |
3375 | ||
3376 | SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end); | |
3377 | if (segment_selector_size != 0) | |
3378 | { | |
3379 | warn (_("The %s section contains " | |
3380 | "unsupported segment selector size: %d.\n"), | |
3381 | section->name, segment_selector_size); | |
3382 | return 0; | |
3383 | } | |
3384 | } | |
3385 | ||
3386 | SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr, | |
3387 | linfo->li_offset_size, end); | |
b40bf0a2 | 3388 | SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end); |
0c588247 | 3389 | |
b40bf0a2 | 3390 | if (linfo->li_version >= 4) |
f41e4712 | 3391 | { |
b40bf0a2 | 3392 | SAFE_BYTE_GET_AND_INC (linfo->li_max_ops_per_insn, hdrptr, 1, end); |
0c588247 | 3393 | |
b40bf0a2 | 3394 | if (linfo->li_max_ops_per_insn == 0) |
f41e4712 NC |
3395 | { |
3396 | warn (_("Invalid maximum operations per insn.\n")); | |
b40bf0a2 | 3397 | return NULL; |
a233b20c | 3398 | } |
f41e4712 NC |
3399 | } |
3400 | else | |
b40bf0a2 | 3401 | linfo->li_max_ops_per_insn = 1; |
0c588247 | 3402 | |
b40bf0a2 | 3403 | SAFE_BYTE_GET_AND_INC (linfo->li_default_is_stmt, hdrptr, 1, end); |
65879393 | 3404 | SAFE_SIGNED_BYTE_GET_AND_INC (linfo->li_line_base, hdrptr, 1, end); |
b40bf0a2 NC |
3405 | SAFE_BYTE_GET_AND_INC (linfo->li_line_range, hdrptr, 1, end); |
3406 | SAFE_BYTE_GET_AND_INC (linfo->li_opcode_base, hdrptr, 1, end); | |
19e6b90e | 3407 | |
b40bf0a2 | 3408 | * end_of_sequence = data + linfo->li_length + initial_length_size; |
b4eb7656 | 3409 | /* PR 17512: file:002-117414-0.004. */ |
6937bb54 NC |
3410 | if (* end_of_sequence > end) |
3411 | { | |
4c219c2e AM |
3412 | warn (_("Line length %s extends beyond end of section\n"), |
3413 | dwarf_vmatoa ("u", linfo->li_length)); | |
6937bb54 NC |
3414 | * end_of_sequence = end; |
3415 | return NULL; | |
3416 | } | |
3417 | ||
b40bf0a2 NC |
3418 | return hdrptr; |
3419 | } | |
19e6b90e | 3420 | |
77145576 | 3421 | static unsigned char * |
dda8d76d NC |
3422 | display_formatted_table (unsigned char * data, |
3423 | unsigned char * start, | |
3424 | unsigned char * end, | |
3425 | const DWARF2_Internal_LineInfo * linfo, | |
3426 | struct dwarf_section * section, | |
7b8d9e8c | 3427 | bfd_boolean is_dir) |
77145576 JK |
3428 | { |
3429 | unsigned char *format_start, format_count, *format, formati; | |
3430 | dwarf_vma data_count, datai; | |
3431 | unsigned int bytes_read, namepass, last_entry = 0; | |
3432 | ||
3433 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); | |
3434 | format_start = data; | |
3435 | for (formati = 0; formati < format_count; formati++) | |
3436 | { | |
3437 | read_uleb128 (data, & bytes_read, end); | |
3438 | data += bytes_read; | |
3439 | read_uleb128 (data, & bytes_read, end); | |
3440 | data += bytes_read; | |
3441 | if (data == end) | |
3442 | { | |
7b8d9e8c AM |
3443 | if (is_dir) |
3444 | warn (_("Corrupt directory format table entry\n")); | |
3445 | else | |
3446 | warn (_("Corrupt file name format table entry\n")); | |
77145576 JK |
3447 | return data; |
3448 | } | |
3449 | } | |
3450 | ||
3451 | data_count = read_uleb128 (data, & bytes_read, end); | |
3452 | data += bytes_read; | |
3453 | if (data == end) | |
3454 | { | |
7b8d9e8c AM |
3455 | if (is_dir) |
3456 | warn (_("Corrupt directory list\n")); | |
3457 | else | |
3458 | warn (_("Corrupt file name list\n")); | |
77145576 JK |
3459 | return data; |
3460 | } | |
3461 | ||
3462 | if (data_count == 0) | |
3463 | { | |
7b8d9e8c AM |
3464 | if (is_dir) |
3465 | printf (_("\n The Directory Table is empty.\n")); | |
3466 | else | |
3467 | printf (_("\n The File Name Table is empty.\n")); | |
77145576 JK |
3468 | return data; |
3469 | } | |
3470 | ||
7b8d9e8c AM |
3471 | if (is_dir) |
3472 | printf (_("\n The Directory Table (offset 0x%lx):\n"), | |
3473 | (long) (data - start)); | |
3474 | else | |
3475 | printf (_("\n The File Name Table (offset 0x%lx):\n"), | |
3476 | (long) (data - start)); | |
77145576 JK |
3477 | |
3478 | printf (_(" Entry")); | |
3479 | /* Delay displaying name as the last entry for better screen layout. */ | |
3480 | for (namepass = 0; namepass < 2; namepass++) | |
3481 | { | |
3482 | format = format_start; | |
3483 | for (formati = 0; formati < format_count; formati++) | |
3484 | { | |
3485 | dwarf_vma content_type; | |
3486 | ||
3487 | content_type = read_uleb128 (format, & bytes_read, end); | |
3488 | format += bytes_read; | |
3489 | if ((content_type == DW_LNCT_path) == (namepass == 1)) | |
3490 | switch (content_type) | |
3491 | { | |
3492 | case DW_LNCT_path: | |
3493 | printf (_("\tName")); | |
3494 | break; | |
3495 | case DW_LNCT_directory_index: | |
3496 | printf (_("\tDir")); | |
3497 | break; | |
3498 | case DW_LNCT_timestamp: | |
3499 | printf (_("\tTime")); | |
3500 | break; | |
3501 | case DW_LNCT_size: | |
3502 | printf (_("\tSize")); | |
3503 | break; | |
3504 | case DW_LNCT_MD5: | |
3505 | printf (_("\tMD5")); | |
3506 | break; | |
3507 | default: | |
3508 | printf (_("\t(Unknown format content type %s)"), | |
3509 | dwarf_vmatoa ("u", content_type)); | |
3510 | } | |
3511 | read_uleb128 (format, & bytes_read, end); | |
3512 | format += bytes_read; | |
3513 | } | |
3514 | } | |
3515 | putchar ('\n'); | |
3516 | ||
3517 | for (datai = 0; datai < data_count; datai++) | |
3518 | { | |
3519 | unsigned char *datapass = data; | |
3520 | ||
3521 | printf (" %d", last_entry++); | |
3522 | /* Delay displaying name as the last entry for better screen layout. */ | |
3523 | for (namepass = 0; namepass < 2; namepass++) | |
3524 | { | |
3525 | format = format_start; | |
3526 | data = datapass; | |
3527 | for (formati = 0; formati < format_count; formati++) | |
3528 | { | |
3529 | dwarf_vma content_type, form; | |
3530 | ||
3531 | content_type = read_uleb128 (format, & bytes_read, end); | |
3532 | format += bytes_read; | |
3533 | form = read_uleb128 (format, & bytes_read, end); | |
3534 | format += bytes_read; | |
3535 | data = read_and_display_attr_value (0, form, 0, data, end, 0, 0, | |
3536 | linfo->li_offset_size, | |
3537 | linfo->li_version, NULL, | |
3538 | ((content_type == DW_LNCT_path) != (namepass == 1)), | |
3539 | section, NULL, '\t'); | |
3540 | } | |
3541 | } | |
3542 | if (data == end) | |
3543 | { | |
7b8d9e8c AM |
3544 | if (is_dir) |
3545 | warn (_("Corrupt directory entries list\n")); | |
3546 | else | |
3547 | warn (_("Corrupt file name entries list\n")); | |
77145576 JK |
3548 | return data; |
3549 | } | |
3550 | putchar ('\n'); | |
3551 | } | |
3552 | return data; | |
3553 | } | |
3554 | ||
b40bf0a2 | 3555 | static int |
dda8d76d NC |
3556 | display_debug_lines_raw (struct dwarf_section * section, |
3557 | unsigned char * data, | |
3558 | unsigned char * end, | |
3559 | void * file) | |
b40bf0a2 NC |
3560 | { |
3561 | unsigned char *start = section->start; | |
ba8826a8 | 3562 | int verbose_view = 0; |
19e6b90e | 3563 | |
dda8d76d | 3564 | introduce (section, TRUE); |
19e6b90e | 3565 | |
b40bf0a2 NC |
3566 | while (data < end) |
3567 | { | |
3568 | static DWARF2_Internal_LineInfo saved_linfo; | |
3569 | DWARF2_Internal_LineInfo linfo; | |
3570 | unsigned char *standard_opcodes; | |
3571 | unsigned char *end_of_sequence; | |
fe59e83d | 3572 | int i; |
19e6b90e | 3573 | |
4925cdd7 NC |
3574 | if (const_strneq (section->name, ".debug_line.") |
3575 | /* Note: the following does not apply to .debug_line.dwo sections. | |
3576 | These are full debug_line sections. */ | |
3577 | && strcmp (section->name, ".debug_line.dwo") != 0) | |
19e6b90e | 3578 | { |
b40bf0a2 NC |
3579 | /* Sections named .debug_line.<foo> are fragments of a .debug_line |
3580 | section containing just the Line Number Statements. They are | |
3581 | created by the assembler and intended to be used alongside gcc's | |
3582 | -ffunction-sections command line option. When the linker's | |
3583 | garbage collection decides to discard a .text.<foo> section it | |
3584 | can then also discard the line number information in .debug_line.<foo>. | |
3585 | ||
4925cdd7 | 3586 | Since the section is a fragment it does not have the details |
b40bf0a2 | 3587 | needed to fill out a LineInfo structure, so instead we use the |
4925cdd7 | 3588 | details from the last full debug_line section that we processed. */ |
b40bf0a2 NC |
3589 | end_of_sequence = end; |
3590 | standard_opcodes = NULL; | |
3591 | linfo = saved_linfo; | |
058037d3 NC |
3592 | /* PR 17531: file: 0522b371. */ |
3593 | if (linfo.li_line_range == 0) | |
3594 | { | |
1306a742 | 3595 | warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n")); |
058037d3 NC |
3596 | return 0; |
3597 | } | |
b40bf0a2 | 3598 | reset_state_machine (linfo.li_default_is_stmt); |
19e6b90e | 3599 | } |
19e6b90e L |
3600 | else |
3601 | { | |
b40bf0a2 | 3602 | unsigned char * hdrptr; |
19e6b90e | 3603 | |
b40bf0a2 NC |
3604 | if ((hdrptr = read_debug_line_header (section, data, end, & linfo, |
3605 | & end_of_sequence)) == NULL) | |
3606 | return 0; | |
19e6b90e | 3607 | |
b40bf0a2 NC |
3608 | printf (_(" Offset: 0x%lx\n"), (long)(data - start)); |
3609 | printf (_(" Length: %ld\n"), (long) linfo.li_length); | |
3610 | printf (_(" DWARF Version: %d\n"), linfo.li_version); | |
77ef8654 | 3611 | printf (_(" Prologue Length: %d\n"), (int) linfo.li_prologue_length); |
b40bf0a2 NC |
3612 | printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length); |
3613 | if (linfo.li_version >= 4) | |
3614 | printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn); | |
3615 | printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt); | |
3616 | printf (_(" Line Base: %d\n"), linfo.li_line_base); | |
3617 | printf (_(" Line Range: %d\n"), linfo.li_line_range); | |
3618 | printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base); | |
19e6b90e | 3619 | |
0a9d414a NC |
3620 | /* PR 17512: file: 1665-6428-0.004. */ |
3621 | if (linfo.li_line_range == 0) | |
3622 | { | |
3623 | warn (_("Line range of 0 is invalid, using 1 instead\n")); | |
3624 | linfo.li_line_range = 1; | |
3625 | } | |
77ef8654 | 3626 | |
b40bf0a2 | 3627 | reset_state_machine (linfo.li_default_is_stmt); |
19e6b90e | 3628 | |
b40bf0a2 NC |
3629 | /* Display the contents of the Opcodes table. */ |
3630 | standard_opcodes = hdrptr; | |
19e6b90e | 3631 | |
6937bb54 NC |
3632 | /* PR 17512: file: 002-417945-0.004. */ |
3633 | if (standard_opcodes + linfo.li_opcode_base >= end) | |
3634 | { | |
3635 | warn (_("Line Base extends beyond end of section\n")); | |
3636 | return 0; | |
3637 | } | |
3638 | ||
b40bf0a2 | 3639 | printf (_("\n Opcodes:\n")); |
19e6b90e | 3640 | |
b40bf0a2 | 3641 | for (i = 1; i < linfo.li_opcode_base; i++) |
d3a49aa8 AM |
3642 | printf (ngettext (" Opcode %d has %d arg\n", |
3643 | " Opcode %d has %d args\n", | |
3644 | standard_opcodes[i - 1]), | |
3645 | i, standard_opcodes[i - 1]); | |
19e6b90e | 3646 | |
b40bf0a2 NC |
3647 | /* Display the contents of the Directory table. */ |
3648 | data = standard_opcodes + linfo.li_opcode_base - 1; | |
19e6b90e | 3649 | |
77145576 | 3650 | if (linfo.li_version >= 5) |
b40bf0a2 | 3651 | { |
dda8d76d | 3652 | load_debug_section_with_follow (line_str, file); |
19e6b90e | 3653 | |
77145576 | 3654 | data = display_formatted_table (data, start, end, &linfo, section, |
7b8d9e8c | 3655 | TRUE); |
77145576 | 3656 | data = display_formatted_table (data, start, end, &linfo, section, |
7b8d9e8c | 3657 | FALSE); |
77145576 JK |
3658 | } |
3659 | else | |
3660 | { | |
3661 | if (*data == 0) | |
3662 | printf (_("\n The Directory Table is empty.\n")); | |
3663 | else | |
a233b20c | 3664 | { |
77145576 | 3665 | unsigned int last_dir_entry = 0; |
6937bb54 | 3666 | |
77145576 JK |
3667 | printf (_("\n The Directory Table (offset 0x%lx):\n"), |
3668 | (long)(data - start)); | |
19e6b90e | 3669 | |
77145576 JK |
3670 | while (data < end && *data != 0) |
3671 | { | |
3672 | printf (" %d\t%.*s\n", ++last_dir_entry, (int) (end - data), data); | |
19e6b90e | 3673 | |
77145576 JK |
3674 | data += strnlen ((char *) data, end - data) + 1; |
3675 | } | |
19e6b90e | 3676 | |
77145576 JK |
3677 | /* PR 17512: file: 002-132094-0.004. */ |
3678 | if (data >= end - 1) | |
3679 | break; | |
3680 | } | |
19e6b90e | 3681 | |
77145576 JK |
3682 | /* Skip the NUL at the end of the table. */ |
3683 | data++; | |
19e6b90e | 3684 | |
77145576 JK |
3685 | /* Display the contents of the File Name table. */ |
3686 | if (*data == 0) | |
3687 | printf (_("\n The File Name Table is empty.\n")); | |
3688 | else | |
3689 | { | |
3690 | printf (_("\n The File Name Table (offset 0x%lx):\n"), | |
3691 | (long)(data - start)); | |
3692 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); | |
19e6b90e | 3693 | |
77145576 | 3694 | while (data < end && *data != 0) |
b40bf0a2 | 3695 | { |
77145576 JK |
3696 | unsigned char *name; |
3697 | unsigned int bytes_read; | |
3698 | ||
3699 | printf (" %d\t", ++state_machine_regs.last_file_entry); | |
3700 | name = data; | |
3701 | data += strnlen ((char *) data, end - data) + 1; | |
3702 | ||
3703 | printf ("%s\t", | |
3704 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
3705 | data += bytes_read; | |
3706 | printf ("%s\t", | |
3707 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
3708 | data += bytes_read; | |
3709 | printf ("%s\t", | |
3710 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
3711 | data += bytes_read; | |
3712 | printf ("%.*s\n", (int)(end - name), name); | |
3713 | ||
3714 | if (data == end) | |
3715 | { | |
3716 | warn (_("Corrupt file name table entry\n")); | |
3717 | break; | |
3718 | } | |
b40bf0a2 | 3719 | } |
a233b20c | 3720 | } |
77145576 JK |
3721 | |
3722 | /* Skip the NUL at the end of the table. */ | |
3723 | data++; | |
b40bf0a2 | 3724 | } |
19e6b90e | 3725 | |
b40bf0a2 NC |
3726 | putchar ('\n'); |
3727 | saved_linfo = linfo; | |
3728 | } | |
19e6b90e | 3729 | |
b40bf0a2 NC |
3730 | /* Now display the statements. */ |
3731 | if (data >= end_of_sequence) | |
3732 | printf (_(" No Line Number Statements.\n")); | |
3733 | else | |
3734 | { | |
3735 | printf (_(" Line Number Statements:\n")); | |
19e6b90e | 3736 | |
b40bf0a2 NC |
3737 | while (data < end_of_sequence) |
3738 | { | |
3739 | unsigned char op_code; | |
3740 | dwarf_signed_vma adv; | |
3741 | dwarf_vma uladv; | |
3742 | unsigned int bytes_read; | |
19e6b90e | 3743 | |
fe59e83d CC |
3744 | printf (" [0x%08lx]", (long)(data - start)); |
3745 | ||
b40bf0a2 | 3746 | op_code = *data++; |
19e6b90e | 3747 | |
b40bf0a2 | 3748 | if (op_code >= linfo.li_opcode_base) |
19e6b90e | 3749 | { |
b40bf0a2 NC |
3750 | op_code -= linfo.li_opcode_base; |
3751 | uladv = (op_code / linfo.li_line_range); | |
3752 | if (linfo.li_max_ops_per_insn == 1) | |
3753 | { | |
3754 | uladv *= linfo.li_min_insn_length; | |
3755 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
3756 | if (uladv) |
3757 | state_machine_regs.view = 0; | |
b40bf0a2 | 3758 | printf (_(" Special opcode %d: " |
ba8826a8 | 3759 | "advance Address by %s to 0x%s%s"), |
b40bf0a2 | 3760 | op_code, dwarf_vmatoa ("u", uladv), |
ba8826a8 AO |
3761 | dwarf_vmatoa ("x", state_machine_regs.address), |
3762 | verbose_view && uladv | |
3763 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
3764 | } |
3765 | else | |
3766 | { | |
ba8826a8 AO |
3767 | unsigned addrdelta |
3768 | = ((state_machine_regs.op_index + uladv) | |
b40bf0a2 NC |
3769 | / linfo.li_max_ops_per_insn) |
3770 | * linfo.li_min_insn_length; | |
ba8826a8 AO |
3771 | |
3772 | state_machine_regs.address += addrdelta; | |
b40bf0a2 NC |
3773 | state_machine_regs.op_index |
3774 | = (state_machine_regs.op_index + uladv) | |
3775 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
3776 | if (addrdelta) |
3777 | state_machine_regs.view = 0; | |
b40bf0a2 | 3778 | printf (_(" Special opcode %d: " |
ba8826a8 | 3779 | "advance Address by %s to 0x%s[%d]%s"), |
b40bf0a2 NC |
3780 | op_code, dwarf_vmatoa ("u", uladv), |
3781 | dwarf_vmatoa ("x", state_machine_regs.address), | |
ba8826a8 AO |
3782 | state_machine_regs.op_index, |
3783 | verbose_view && addrdelta | |
3784 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
3785 | } |
3786 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; | |
3787 | state_machine_regs.line += adv; | |
ba8826a8 | 3788 | printf (_(" and Line by %s to %d"), |
b40bf0a2 | 3789 | dwarf_vmatoa ("d", adv), state_machine_regs.line); |
ba8826a8 AO |
3790 | if (verbose_view || state_machine_regs.view) |
3791 | printf (_(" (view %u)\n"), state_machine_regs.view); | |
3792 | else | |
3793 | putchar ('\n'); | |
3794 | state_machine_regs.view++; | |
19e6b90e | 3795 | } |
b40bf0a2 NC |
3796 | else switch (op_code) |
3797 | { | |
3798 | case DW_LNS_extended_op: | |
3799 | data += process_extended_line_op (data, linfo.li_default_is_stmt, end); | |
3800 | break; | |
3801 | ||
3802 | case DW_LNS_copy: | |
ba8826a8 AO |
3803 | printf (_(" Copy")); |
3804 | if (verbose_view || state_machine_regs.view) | |
3805 | printf (_(" (view %u)\n"), state_machine_regs.view); | |
3806 | else | |
3807 | putchar ('\n'); | |
3808 | state_machine_regs.view++; | |
b40bf0a2 NC |
3809 | break; |
3810 | ||
3811 | case DW_LNS_advance_pc: | |
3812 | uladv = read_uleb128 (data, & bytes_read, end); | |
3813 | data += bytes_read; | |
3814 | if (linfo.li_max_ops_per_insn == 1) | |
3815 | { | |
3816 | uladv *= linfo.li_min_insn_length; | |
3817 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
3818 | if (uladv) |
3819 | state_machine_regs.view = 0; | |
3820 | printf (_(" Advance PC by %s to 0x%s%s\n"), | |
b40bf0a2 | 3821 | dwarf_vmatoa ("u", uladv), |
ba8826a8 AO |
3822 | dwarf_vmatoa ("x", state_machine_regs.address), |
3823 | verbose_view && uladv | |
3824 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
3825 | } |
3826 | else | |
3827 | { | |
ba8826a8 AO |
3828 | unsigned addrdelta |
3829 | = ((state_machine_regs.op_index + uladv) | |
3830 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 3831 | * linfo.li_min_insn_length; |
ba8826a8 AO |
3832 | state_machine_regs.address |
3833 | += addrdelta; | |
b40bf0a2 NC |
3834 | state_machine_regs.op_index |
3835 | = (state_machine_regs.op_index + uladv) | |
3836 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
3837 | if (addrdelta) |
3838 | state_machine_regs.view = 0; | |
3839 | printf (_(" Advance PC by %s to 0x%s[%d]%s\n"), | |
b40bf0a2 NC |
3840 | dwarf_vmatoa ("u", uladv), |
3841 | dwarf_vmatoa ("x", state_machine_regs.address), | |
ba8826a8 AO |
3842 | state_machine_regs.op_index, |
3843 | verbose_view && addrdelta | |
3844 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
3845 | } |
3846 | break; | |
3847 | ||
3848 | case DW_LNS_advance_line: | |
3849 | adv = read_sleb128 (data, & bytes_read, end); | |
3850 | data += bytes_read; | |
3851 | state_machine_regs.line += adv; | |
3852 | printf (_(" Advance Line by %s to %d\n"), | |
3853 | dwarf_vmatoa ("d", adv), | |
3854 | state_machine_regs.line); | |
3855 | break; | |
3856 | ||
3857 | case DW_LNS_set_file: | |
3858 | adv = read_uleb128 (data, & bytes_read, end); | |
3859 | data += bytes_read; | |
3860 | printf (_(" Set File Name to entry %s in the File Name Table\n"), | |
3861 | dwarf_vmatoa ("d", adv)); | |
3862 | state_machine_regs.file = adv; | |
3863 | break; | |
3864 | ||
3865 | case DW_LNS_set_column: | |
3866 | uladv = read_uleb128 (data, & bytes_read, end); | |
3867 | data += bytes_read; | |
3868 | printf (_(" Set column to %s\n"), | |
3869 | dwarf_vmatoa ("u", uladv)); | |
3870 | state_machine_regs.column = uladv; | |
3871 | break; | |
3872 | ||
3873 | case DW_LNS_negate_stmt: | |
3874 | adv = state_machine_regs.is_stmt; | |
3875 | adv = ! adv; | |
3876 | printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv)); | |
3877 | state_machine_regs.is_stmt = adv; | |
3878 | break; | |
3879 | ||
3880 | case DW_LNS_set_basic_block: | |
3881 | printf (_(" Set basic block\n")); | |
3882 | state_machine_regs.basic_block = 1; | |
3883 | break; | |
3884 | ||
3885 | case DW_LNS_const_add_pc: | |
3886 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); | |
3887 | if (linfo.li_max_ops_per_insn) | |
3888 | { | |
3889 | uladv *= linfo.li_min_insn_length; | |
3890 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
3891 | if (uladv) |
3892 | state_machine_regs.view = 0; | |
3893 | printf (_(" Advance PC by constant %s to 0x%s%s\n"), | |
b40bf0a2 | 3894 | dwarf_vmatoa ("u", uladv), |
ba8826a8 AO |
3895 | dwarf_vmatoa ("x", state_machine_regs.address), |
3896 | verbose_view && uladv | |
3897 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
3898 | } |
3899 | else | |
3900 | { | |
ba8826a8 AO |
3901 | unsigned addrdelta |
3902 | = ((state_machine_regs.op_index + uladv) | |
3903 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 3904 | * linfo.li_min_insn_length; |
ba8826a8 AO |
3905 | state_machine_regs.address |
3906 | += addrdelta; | |
b40bf0a2 NC |
3907 | state_machine_regs.op_index |
3908 | = (state_machine_regs.op_index + uladv) | |
3909 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
3910 | if (addrdelta) |
3911 | state_machine_regs.view = 0; | |
3912 | printf (_(" Advance PC by constant %s to 0x%s[%d]%s\n"), | |
b40bf0a2 NC |
3913 | dwarf_vmatoa ("u", uladv), |
3914 | dwarf_vmatoa ("x", state_machine_regs.address), | |
ba8826a8 AO |
3915 | state_machine_regs.op_index, |
3916 | verbose_view && addrdelta | |
3917 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
3918 | } |
3919 | break; | |
3920 | ||
3921 | case DW_LNS_fixed_advance_pc: | |
3922 | SAFE_BYTE_GET_AND_INC (uladv, data, 2, end); | |
3923 | state_machine_regs.address += uladv; | |
3924 | state_machine_regs.op_index = 0; | |
3925 | printf (_(" Advance PC by fixed size amount %s to 0x%s\n"), | |
3926 | dwarf_vmatoa ("u", uladv), | |
3927 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
ba8826a8 | 3928 | /* Do NOT reset view. */ |
b40bf0a2 NC |
3929 | break; |
3930 | ||
3931 | case DW_LNS_set_prologue_end: | |
3932 | printf (_(" Set prologue_end to true\n")); | |
3933 | break; | |
3934 | ||
3935 | case DW_LNS_set_epilogue_begin: | |
3936 | printf (_(" Set epilogue_begin to true\n")); | |
3937 | break; | |
3938 | ||
3939 | case DW_LNS_set_isa: | |
3940 | uladv = read_uleb128 (data, & bytes_read, end); | |
3941 | data += bytes_read; | |
3942 | printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv)); | |
3943 | break; | |
3944 | ||
3945 | default: | |
3946 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
3947 | ||
3948 | if (standard_opcodes != NULL) | |
3949 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
3950 | { | |
3951 | printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data, | |
3952 | &bytes_read, end)), | |
3953 | i == 1 ? "" : ", "); | |
3954 | data += bytes_read; | |
3955 | } | |
3956 | putchar ('\n'); | |
3957 | break; | |
3958 | } | |
19e6b90e | 3959 | } |
b40bf0a2 | 3960 | putchar ('\n'); |
19e6b90e | 3961 | } |
19e6b90e L |
3962 | } |
3963 | ||
3964 | return 1; | |
3965 | } | |
3966 | ||
a262ae96 NC |
3967 | typedef struct |
3968 | { | |
467c65bc NC |
3969 | unsigned char *name; |
3970 | unsigned int directory_index; | |
3971 | unsigned int modification_date; | |
3972 | unsigned int length; | |
a262ae96 NC |
3973 | } File_Entry; |
3974 | ||
3975 | /* Output a decoded representation of the .debug_line section. */ | |
3976 | ||
3977 | static int | |
dda8d76d NC |
3978 | display_debug_lines_decoded (struct dwarf_section * section, |
3979 | unsigned char * data, | |
3980 | unsigned char * end, | |
3981 | void * fileptr) | |
a262ae96 | 3982 | { |
b40bf0a2 NC |
3983 | static DWARF2_Internal_LineInfo saved_linfo; |
3984 | ||
dda8d76d | 3985 | introduce (section, FALSE); |
a262ae96 NC |
3986 | |
3987 | while (data < end) | |
3988 | { | |
3989 | /* This loop amounts to one iteration per compilation unit. */ | |
91d6fa6a | 3990 | DWARF2_Internal_LineInfo linfo; |
a262ae96 NC |
3991 | unsigned char *standard_opcodes; |
3992 | unsigned char *end_of_sequence; | |
a262ae96 NC |
3993 | int i; |
3994 | File_Entry *file_table = NULL; | |
143a3db0 | 3995 | unsigned int n_files = 0; |
a262ae96 | 3996 | unsigned char **directory_table = NULL; |
77145576 | 3997 | dwarf_vma n_directories = 0; |
a262ae96 | 3998 | |
4925cdd7 NC |
3999 | if (const_strneq (section->name, ".debug_line.") |
4000 | /* Note: the following does not apply to .debug_line.dwo sections. | |
4001 | These are full debug_line sections. */ | |
4002 | && strcmp (section->name, ".debug_line.dwo") != 0) | |
b4eb7656 | 4003 | { |
4925cdd7 | 4004 | /* See comment in display_debug_lines_raw(). */ |
b40bf0a2 NC |
4005 | end_of_sequence = end; |
4006 | standard_opcodes = NULL; | |
4007 | linfo = saved_linfo; | |
058037d3 NC |
4008 | /* PR 17531: file: 0522b371. */ |
4009 | if (linfo.li_line_range == 0) | |
4010 | { | |
1306a742 | 4011 | warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n")); |
058037d3 NC |
4012 | return 0; |
4013 | } | |
b40bf0a2 | 4014 | reset_state_machine (linfo.li_default_is_stmt); |
b4eb7656 | 4015 | } |
a262ae96 | 4016 | else |
b4eb7656 | 4017 | { |
b40bf0a2 | 4018 | unsigned char *hdrptr; |
a262ae96 | 4019 | |
b40bf0a2 NC |
4020 | if ((hdrptr = read_debug_line_header (section, data, end, & linfo, |
4021 | & end_of_sequence)) == NULL) | |
a233b20c | 4022 | return 0; |
0c588247 | 4023 | |
058037d3 NC |
4024 | /* PR 17531: file: 0522b371. */ |
4025 | if (linfo.li_line_range == 0) | |
4026 | { | |
4027 | warn (_("Line range of 0 is invalid, using 1 instead\n")); | |
4028 | linfo.li_line_range = 1; | |
4029 | } | |
b40bf0a2 | 4030 | reset_state_machine (linfo.li_default_is_stmt); |
a262ae96 | 4031 | |
b40bf0a2 NC |
4032 | /* Save a pointer to the contents of the Opcodes table. */ |
4033 | standard_opcodes = hdrptr; | |
a262ae96 | 4034 | |
b40bf0a2 NC |
4035 | /* Traverse the Directory table just to count entries. */ |
4036 | data = standard_opcodes + linfo.li_opcode_base - 1; | |
d8024a91 NC |
4037 | /* PR 20440 */ |
4038 | if (data >= end) | |
4039 | { | |
4040 | warn (_("opcode base of %d extends beyond end of section\n"), | |
4041 | linfo.li_opcode_base); | |
4042 | return 0; | |
4043 | } | |
4044 | ||
77145576 | 4045 | if (linfo.li_version >= 5) |
b40bf0a2 | 4046 | { |
77145576 JK |
4047 | unsigned char *format_start, format_count, *format; |
4048 | dwarf_vma formati, entryi; | |
4049 | unsigned int bytes_read; | |
a262ae96 | 4050 | |
dda8d76d | 4051 | load_debug_section_with_follow (line_str, fileptr); |
77145576 JK |
4052 | |
4053 | /* Skip directories format. */ | |
4054 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); | |
4055 | format_start = data; | |
4056 | for (formati = 0; formati < format_count; formati++) | |
b40bf0a2 | 4057 | { |
77145576 JK |
4058 | read_uleb128 (data, & bytes_read, end); |
4059 | data += bytes_read; | |
4060 | read_uleb128 (data, & bytes_read, end); | |
4061 | data += bytes_read; | |
b40bf0a2 | 4062 | } |
a262ae96 | 4063 | |
77145576 JK |
4064 | n_directories = read_uleb128 (data, & bytes_read, end); |
4065 | data += bytes_read; | |
4066 | if (data == end) | |
d8024a91 | 4067 | { |
77145576 | 4068 | warn (_("Corrupt directories list\n")); |
d8024a91 NC |
4069 | break; |
4070 | } | |
4071 | ||
b40bf0a2 NC |
4072 | directory_table = (unsigned char **) |
4073 | xmalloc (n_directories * sizeof (unsigned char *)); | |
a262ae96 | 4074 | |
77145576 | 4075 | for (entryi = 0; entryi < n_directories; entryi++) |
b40bf0a2 | 4076 | { |
77145576 | 4077 | unsigned char **pathp = &directory_table[entryi]; |
a262ae96 | 4078 | |
77145576 JK |
4079 | format = format_start; |
4080 | for (formati = 0; formati < format_count; formati++) | |
4081 | { | |
4082 | dwarf_vma content_type, form; | |
4083 | dwarf_vma uvalue; | |
4084 | ||
4085 | content_type = read_uleb128 (format, & bytes_read, end); | |
4086 | format += bytes_read; | |
4087 | form = read_uleb128 (format, & bytes_read, end); | |
4088 | format += bytes_read; | |
4089 | if (data == end) | |
4090 | { | |
4091 | warn (_("Corrupt directories list\n")); | |
4092 | break; | |
4093 | } | |
4094 | switch (content_type) | |
4095 | { | |
4096 | case DW_LNCT_path: | |
4097 | switch (form) | |
4098 | { | |
4099 | case DW_FORM_string: | |
4100 | *pathp = data; | |
4101 | break; | |
4102 | case DW_FORM_line_strp: | |
4103 | SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size, | |
4104 | end); | |
4105 | /* Remove const by the cast. */ | |
4106 | *pathp = (unsigned char *) | |
4107 | fetch_indirect_line_string (uvalue); | |
4108 | break; | |
4109 | } | |
4110 | break; | |
4111 | } | |
4112 | data = read_and_display_attr_value (0, form, 0, data, end, | |
4113 | 0, 0, | |
4114 | linfo.li_offset_size, | |
4115 | linfo.li_version, | |
4116 | NULL, 1, section, | |
4117 | NULL, '\t'); | |
4118 | } | |
4119 | if (data == end) | |
4120 | { | |
4121 | warn (_("Corrupt directories list\n")); | |
4122 | break; | |
4123 | } | |
4124 | } | |
a262ae96 | 4125 | |
77145576 JK |
4126 | /* Skip files format. */ |
4127 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); | |
4128 | format_start = data; | |
4129 | for (formati = 0; formati < format_count; formati++) | |
b40bf0a2 | 4130 | { |
b40bf0a2 NC |
4131 | read_uleb128 (data, & bytes_read, end); |
4132 | data += bytes_read; | |
4133 | read_uleb128 (data, & bytes_read, end); | |
4134 | data += bytes_read; | |
b40bf0a2 | 4135 | } |
a262ae96 | 4136 | |
77145576 JK |
4137 | n_files = read_uleb128 (data, & bytes_read, end); |
4138 | data += bytes_read; | |
4139 | if (data == end) | |
d8024a91 | 4140 | { |
77145576 | 4141 | warn (_("Corrupt file name list\n")); |
d8024a91 NC |
4142 | break; |
4143 | } | |
4144 | ||
77145576 JK |
4145 | file_table = (File_Entry *) xcalloc (1, n_files |
4146 | * sizeof (File_Entry)); | |
a262ae96 | 4147 | |
77145576 | 4148 | for (entryi = 0; entryi < n_files; entryi++) |
b40bf0a2 | 4149 | { |
77145576 | 4150 | File_Entry *file = &file_table[entryi]; |
a262ae96 | 4151 | |
77145576 JK |
4152 | format = format_start; |
4153 | for (formati = 0; formati < format_count; formati++) | |
4154 | { | |
4155 | dwarf_vma content_type, form; | |
4156 | dwarf_vma uvalue; | |
4157 | ||
4158 | content_type = read_uleb128 (format, & bytes_read, end); | |
4159 | format += bytes_read; | |
4160 | form = read_uleb128 (format, & bytes_read, end); | |
4161 | format += bytes_read; | |
4162 | if (data == end) | |
4163 | { | |
4164 | warn (_("Corrupt file name list\n")); | |
4165 | break; | |
4166 | } | |
4167 | switch (content_type) | |
4168 | { | |
4169 | case DW_LNCT_path: | |
4170 | switch (form) | |
4171 | { | |
4172 | case DW_FORM_string: | |
4173 | file->name = data; | |
4174 | break; | |
4175 | case DW_FORM_line_strp: | |
4176 | SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size, | |
4177 | end); | |
4178 | /* Remove const by the cast. */ | |
4179 | file->name = (unsigned char *) | |
4180 | fetch_indirect_line_string (uvalue); | |
4181 | break; | |
4182 | } | |
4183 | break; | |
4184 | case DW_LNCT_directory_index: | |
4185 | switch (form) | |
4186 | { | |
4187 | case DW_FORM_data1: | |
4188 | SAFE_BYTE_GET (file->directory_index, data, 1, | |
4189 | end); | |
4190 | break; | |
4191 | case DW_FORM_data2: | |
4192 | SAFE_BYTE_GET (file->directory_index, data, 2, | |
4193 | end); | |
4194 | break; | |
4195 | case DW_FORM_udata: | |
4196 | file->directory_index = read_uleb128 (data, NULL, | |
4197 | end); | |
4198 | break; | |
4199 | } | |
4200 | break; | |
4201 | } | |
4202 | data = read_and_display_attr_value (0, form, 0, data, end, | |
4203 | 0, 0, | |
4204 | linfo.li_offset_size, | |
4205 | linfo.li_version, | |
4206 | NULL, 1, section, | |
4207 | NULL, '\t'); | |
4208 | } | |
4209 | if (data == end) | |
4210 | { | |
4211 | warn (_("Corrupt file name list\n")); | |
4212 | break; | |
4213 | } | |
4214 | } | |
4215 | } | |
4216 | else | |
4217 | { | |
4218 | if (*data != 0) | |
b40bf0a2 | 4219 | { |
77145576 JK |
4220 | unsigned char *ptr_directory_table = data; |
4221 | ||
4222 | while (data < end && *data != 0) | |
4223 | { | |
4224 | data += strnlen ((char *) data, end - data) + 1; | |
4225 | n_directories++; | |
4226 | } | |
4227 | ||
4228 | /* PR 20440 */ | |
4229 | if (data >= end) | |
4230 | { | |
4231 | warn (_("directory table ends unexpectedly\n")); | |
4232 | n_directories = 0; | |
4233 | break; | |
4234 | } | |
4235 | ||
4236 | /* Go through the directory table again to save the directories. */ | |
4237 | directory_table = (unsigned char **) | |
4238 | xmalloc (n_directories * sizeof (unsigned char *)); | |
4239 | ||
4240 | i = 0; | |
4241 | while (*ptr_directory_table != 0) | |
4242 | { | |
4243 | directory_table[i] = ptr_directory_table; | |
4244 | ptr_directory_table += strnlen ((char *) ptr_directory_table, | |
4245 | ptr_directory_table - end) + 1; | |
4246 | i++; | |
4247 | } | |
b40bf0a2 | 4248 | } |
77145576 JK |
4249 | /* Skip the NUL at the end of the table. */ |
4250 | data++; | |
4251 | ||
4252 | /* Traverse the File Name table just to count the entries. */ | |
4253 | if (data < end && *data != 0) | |
b40bf0a2 | 4254 | { |
77145576 JK |
4255 | unsigned char *ptr_file_name_table = data; |
4256 | ||
4257 | while (data < end && *data != 0) | |
db9537d2 | 4258 | { |
77145576 JK |
4259 | unsigned int bytes_read; |
4260 | ||
4261 | /* Skip Name, directory index, last modification time and length | |
4262 | of file. */ | |
4263 | data += strnlen ((char *) data, end - data) + 1; | |
4264 | read_uleb128 (data, & bytes_read, end); | |
4265 | data += bytes_read; | |
4266 | read_uleb128 (data, & bytes_read, end); | |
4267 | data += bytes_read; | |
4268 | read_uleb128 (data, & bytes_read, end); | |
4269 | data += bytes_read; | |
4270 | ||
4271 | n_files++; | |
db9537d2 | 4272 | } |
a262ae96 | 4273 | |
77145576 JK |
4274 | if (data >= end) |
4275 | { | |
4276 | warn (_("file table ends unexpectedly\n")); | |
4277 | n_files = 0; | |
4278 | break; | |
4279 | } | |
4280 | ||
4281 | /* Go through the file table again to save the strings. */ | |
4282 | file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry)); | |
0c588247 | 4283 | |
77145576 JK |
4284 | i = 0; |
4285 | while (*ptr_file_name_table != 0) | |
4286 | { | |
4287 | unsigned int bytes_read; | |
4288 | ||
4289 | file_table[i].name = ptr_file_name_table; | |
4290 | ptr_file_name_table += strnlen ((char *) ptr_file_name_table, | |
4291 | end - ptr_file_name_table) + 1; | |
4292 | ||
4293 | /* We are not interested in directory, time or size. */ | |
4294 | file_table[i].directory_index = read_uleb128 (ptr_file_name_table, | |
4295 | & bytes_read, end); | |
4296 | ptr_file_name_table += bytes_read; | |
4297 | file_table[i].modification_date = read_uleb128 (ptr_file_name_table, | |
4298 | & bytes_read, end); | |
4299 | ptr_file_name_table += bytes_read; | |
4300 | file_table[i].length = read_uleb128 (ptr_file_name_table, & bytes_read, end); | |
4301 | ptr_file_name_table += bytes_read; | |
4302 | i++; | |
4303 | } | |
4304 | i = 0; | |
b40bf0a2 | 4305 | } |
77145576 JK |
4306 | |
4307 | /* Skip the NUL at the end of the table. */ | |
4308 | data++; | |
b40bf0a2 | 4309 | } |
cc5914eb | 4310 | |
77145576 | 4311 | /* Print the Compilation Unit's name and a header. */ |
f082820d AM |
4312 | if (file_table == NULL) |
4313 | ; | |
4314 | else if (directory_table == NULL) | |
4315 | printf (_("CU: %s:\n"), file_table[0].name); | |
77145576 JK |
4316 | else |
4317 | { | |
4318 | unsigned int ix = file_table[0].directory_index; | |
4319 | const char *directory; | |
4320 | ||
4321 | if (ix == 0) | |
4322 | directory = "."; | |
4323 | /* PR 20439 */ | |
4324 | else if (n_directories == 0) | |
4325 | directory = _("<unknown>"); | |
4326 | else if (ix > n_directories) | |
4327 | { | |
4328 | warn (_("directory index %u > number of directories %s\n"), | |
4329 | ix, dwarf_vmatoa ("u", n_directories)); | |
4330 | directory = _("<corrupt>"); | |
4331 | } | |
4332 | else | |
4333 | directory = (char *) directory_table[ix - 1]; | |
4334 | ||
4335 | if (do_wide || strlen (directory) < 76) | |
4336 | printf (_("CU: %s/%s:\n"), directory, file_table[0].name); | |
4337 | else | |
4338 | printf ("%s:\n", file_table[0].name); | |
77145576 | 4339 | } |
a262ae96 | 4340 | |
ba8826a8 | 4341 | printf (_("File name Line number Starting address View\n")); |
b40bf0a2 NC |
4342 | saved_linfo = linfo; |
4343 | } | |
a262ae96 NC |
4344 | |
4345 | /* This loop iterates through the Dwarf Line Number Program. */ | |
4346 | while (data < end_of_sequence) | |
b4eb7656 | 4347 | { |
a262ae96 | 4348 | unsigned char op_code; |
ba8826a8 | 4349 | int xop; |
b4eb7656 AM |
4350 | int adv; |
4351 | unsigned long int uladv; | |
4352 | unsigned int bytes_read; | |
4353 | int is_special_opcode = 0; | |
a262ae96 | 4354 | |
b4eb7656 | 4355 | op_code = *data++; |
ba8826a8 | 4356 | xop = op_code; |
a262ae96 | 4357 | |
b4eb7656 | 4358 | if (op_code >= linfo.li_opcode_base) |
a262ae96 | 4359 | { |
91d6fa6a | 4360 | op_code -= linfo.li_opcode_base; |
a233b20c JJ |
4361 | uladv = (op_code / linfo.li_line_range); |
4362 | if (linfo.li_max_ops_per_insn == 1) | |
4363 | { | |
4364 | uladv *= linfo.li_min_insn_length; | |
4365 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
4366 | if (uladv) |
4367 | state_machine_regs.view = 0; | |
a233b20c JJ |
4368 | } |
4369 | else | |
4370 | { | |
ba8826a8 AO |
4371 | unsigned addrdelta |
4372 | = ((state_machine_regs.op_index + uladv) | |
4373 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 4374 | * linfo.li_min_insn_length; |
ba8826a8 AO |
4375 | state_machine_regs.address |
4376 | += addrdelta; | |
a233b20c JJ |
4377 | state_machine_regs.op_index |
4378 | = (state_machine_regs.op_index + uladv) | |
b40bf0a2 | 4379 | % linfo.li_max_ops_per_insn; |
ba8826a8 AO |
4380 | if (addrdelta) |
4381 | state_machine_regs.view = 0; | |
a233b20c | 4382 | } |
a262ae96 | 4383 | |
b4eb7656 AM |
4384 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; |
4385 | state_machine_regs.line += adv; | |
4386 | is_special_opcode = 1; | |
ba8826a8 | 4387 | /* Increment view after printing this row. */ |
b4eb7656 AM |
4388 | } |
4389 | else switch (op_code) | |
b40bf0a2 NC |
4390 | { |
4391 | case DW_LNS_extended_op: | |
4392 | { | |
4393 | unsigned int ext_op_code_len; | |
4394 | unsigned char ext_op_code; | |
4395 | unsigned char *op_code_data = data; | |
4396 | ||
4397 | ext_op_code_len = read_uleb128 (op_code_data, &bytes_read, | |
4398 | end_of_sequence); | |
4399 | op_code_data += bytes_read; | |
4400 | ||
4401 | if (ext_op_code_len == 0) | |
4402 | { | |
f41e4712 | 4403 | warn (_("Badly formed extended line op encountered!\n")); |
b40bf0a2 NC |
4404 | break; |
4405 | } | |
4406 | ext_op_code_len += bytes_read; | |
4407 | ext_op_code = *op_code_data++; | |
ba8826a8 AO |
4408 | xop = ext_op_code; |
4409 | xop = -xop; | |
b40bf0a2 NC |
4410 | |
4411 | switch (ext_op_code) | |
4412 | { | |
4413 | case DW_LNE_end_sequence: | |
ba8826a8 | 4414 | /* Reset stuff after printing this row. */ |
b40bf0a2 NC |
4415 | break; |
4416 | case DW_LNE_set_address: | |
4417 | SAFE_BYTE_GET_AND_INC (state_machine_regs.address, | |
87bc83b3 CC |
4418 | op_code_data, |
4419 | ext_op_code_len - bytes_read - 1, | |
b40bf0a2 NC |
4420 | end); |
4421 | state_machine_regs.op_index = 0; | |
ba8826a8 | 4422 | state_machine_regs.view = 0; |
b40bf0a2 NC |
4423 | break; |
4424 | case DW_LNE_define_file: | |
4425 | { | |
4426 | file_table = (File_Entry *) xrealloc | |
4427 | (file_table, (n_files + 1) * sizeof (File_Entry)); | |
4428 | ||
4429 | ++state_machine_regs.last_file_entry; | |
4430 | /* Source file name. */ | |
4431 | file_table[n_files].name = op_code_data; | |
4432 | op_code_data += strlen ((char *) op_code_data) + 1; | |
4433 | /* Directory index. */ | |
4434 | file_table[n_files].directory_index = | |
4435 | read_uleb128 (op_code_data, & bytes_read, | |
4436 | end_of_sequence); | |
4437 | op_code_data += bytes_read; | |
4438 | /* Last modification time. */ | |
4439 | file_table[n_files].modification_date = | |
4440 | read_uleb128 (op_code_data, & bytes_read, | |
4441 | end_of_sequence); | |
4442 | op_code_data += bytes_read; | |
4443 | /* File length. */ | |
4444 | file_table[n_files].length = | |
4445 | read_uleb128 (op_code_data, & bytes_read, | |
4446 | end_of_sequence); | |
4447 | ||
4448 | n_files++; | |
4449 | break; | |
4450 | } | |
4451 | case DW_LNE_set_discriminator: | |
4452 | case DW_LNE_HP_set_sequence: | |
4453 | /* Simply ignored. */ | |
4454 | break; | |
4455 | ||
4456 | default: | |
4457 | printf (_("UNKNOWN (%u): length %d\n"), | |
4458 | ext_op_code, ext_op_code_len - bytes_read); | |
4459 | break; | |
4460 | } | |
4461 | data += ext_op_code_len; | |
4462 | break; | |
4463 | } | |
4464 | case DW_LNS_copy: | |
ba8826a8 | 4465 | /* Increment view after printing this row. */ |
b40bf0a2 NC |
4466 | break; |
4467 | ||
4468 | case DW_LNS_advance_pc: | |
4469 | uladv = read_uleb128 (data, & bytes_read, end); | |
4470 | data += bytes_read; | |
4471 | if (linfo.li_max_ops_per_insn == 1) | |
4472 | { | |
4473 | uladv *= linfo.li_min_insn_length; | |
4474 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
4475 | if (uladv) |
4476 | state_machine_regs.view = 0; | |
b40bf0a2 NC |
4477 | } |
4478 | else | |
4479 | { | |
ba8826a8 AO |
4480 | unsigned addrdelta |
4481 | = ((state_machine_regs.op_index + uladv) | |
4482 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 4483 | * linfo.li_min_insn_length; |
ba8826a8 AO |
4484 | state_machine_regs.address |
4485 | += addrdelta; | |
b40bf0a2 NC |
4486 | state_machine_regs.op_index |
4487 | = (state_machine_regs.op_index + uladv) | |
4488 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
4489 | if (addrdelta) |
4490 | state_machine_regs.view = 0; | |
b40bf0a2 NC |
4491 | } |
4492 | break; | |
4493 | ||
4494 | case DW_LNS_advance_line: | |
4495 | adv = read_sleb128 (data, & bytes_read, end); | |
4496 | data += bytes_read; | |
4497 | state_machine_regs.line += adv; | |
4498 | break; | |
4499 | ||
4500 | case DW_LNS_set_file: | |
4501 | adv = read_uleb128 (data, & bytes_read, end); | |
4502 | data += bytes_read; | |
4503 | state_machine_regs.file = adv; | |
4504 | ||
db9537d2 NC |
4505 | { |
4506 | unsigned file = state_machine_regs.file - 1; | |
4507 | unsigned dir; | |
4508 | ||
4509 | if (file_table == NULL || n_files == 0) | |
4510 | printf (_("\n [Use file table entry %d]\n"), file); | |
4511 | /* PR 20439 */ | |
4512 | else if (file >= n_files) | |
4513 | { | |
4514 | warn (_("file index %u > number of files %u\n"), file + 1, n_files); | |
4515 | printf (_("\n <over large file table index %u>"), file); | |
4516 | } | |
4517 | else if ((dir = file_table[file].directory_index) == 0) | |
4518 | /* If directory index is 0, that means current directory. */ | |
4519 | printf ("\n./%s:[++]\n", file_table[file].name); | |
4520 | else if (directory_table == NULL || n_directories == 0) | |
4521 | printf (_("\n [Use file %s in directory table entry %d]\n"), | |
4522 | file_table[file].name, dir); | |
4523 | /* PR 20439 */ | |
4524 | else if (dir > n_directories) | |
4525 | { | |
77145576 JK |
4526 | warn (_("directory index %u > number of directories %s\n"), |
4527 | dir, dwarf_vmatoa ("u", n_directories)); | |
db9537d2 NC |
4528 | printf (_("\n <over large directory table entry %u>\n"), dir); |
4529 | } | |
4530 | else | |
4531 | printf ("\n%s/%s:\n", | |
4532 | /* The directory index starts counting at 1. */ | |
4533 | directory_table[dir - 1], file_table[file].name); | |
4534 | } | |
b40bf0a2 NC |
4535 | break; |
4536 | ||
4537 | case DW_LNS_set_column: | |
4538 | uladv = read_uleb128 (data, & bytes_read, end); | |
4539 | data += bytes_read; | |
4540 | state_machine_regs.column = uladv; | |
4541 | break; | |
4542 | ||
4543 | case DW_LNS_negate_stmt: | |
4544 | adv = state_machine_regs.is_stmt; | |
4545 | adv = ! adv; | |
4546 | state_machine_regs.is_stmt = adv; | |
4547 | break; | |
4548 | ||
4549 | case DW_LNS_set_basic_block: | |
4550 | state_machine_regs.basic_block = 1; | |
4551 | break; | |
4552 | ||
4553 | case DW_LNS_const_add_pc: | |
4554 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); | |
4555 | if (linfo.li_max_ops_per_insn == 1) | |
4556 | { | |
4557 | uladv *= linfo.li_min_insn_length; | |
4558 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
4559 | if (uladv) |
4560 | state_machine_regs.view = 0; | |
b40bf0a2 NC |
4561 | } |
4562 | else | |
4563 | { | |
ba8826a8 AO |
4564 | unsigned addrdelta |
4565 | = ((state_machine_regs.op_index + uladv) | |
4566 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 4567 | * linfo.li_min_insn_length; |
ba8826a8 AO |
4568 | state_machine_regs.address |
4569 | += addrdelta; | |
b40bf0a2 NC |
4570 | state_machine_regs.op_index |
4571 | = (state_machine_regs.op_index + uladv) | |
4572 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
4573 | if (addrdelta) |
4574 | state_machine_regs.view = 0; | |
b40bf0a2 NC |
4575 | } |
4576 | break; | |
4577 | ||
4578 | case DW_LNS_fixed_advance_pc: | |
4579 | SAFE_BYTE_GET_AND_INC (uladv, data, 2, end); | |
4580 | state_machine_regs.address += uladv; | |
4581 | state_machine_regs.op_index = 0; | |
ba8826a8 | 4582 | /* Do NOT reset view. */ |
b40bf0a2 NC |
4583 | break; |
4584 | ||
4585 | case DW_LNS_set_prologue_end: | |
4586 | break; | |
4587 | ||
4588 | case DW_LNS_set_epilogue_begin: | |
4589 | break; | |
4590 | ||
4591 | case DW_LNS_set_isa: | |
4592 | uladv = read_uleb128 (data, & bytes_read, end); | |
4593 | data += bytes_read; | |
4594 | printf (_(" Set ISA to %lu\n"), uladv); | |
4595 | break; | |
4596 | ||
4597 | default: | |
4598 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
4599 | ||
4600 | if (standard_opcodes != NULL) | |
4601 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
4602 | { | |
4603 | printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data, | |
4604 | &bytes_read, end)), | |
4605 | i == 1 ? "" : ", "); | |
4606 | data += bytes_read; | |
4607 | } | |
4608 | putchar ('\n'); | |
4609 | break; | |
4610 | } | |
a262ae96 | 4611 | |
b4eb7656 AM |
4612 | /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row |
4613 | to the DWARF address/line matrix. */ | |
ba8826a8 AO |
4614 | if ((is_special_opcode) || (xop == -DW_LNE_end_sequence) |
4615 | || (xop == DW_LNS_copy)) | |
b4eb7656 AM |
4616 | { |
4617 | const unsigned int MAX_FILENAME_LENGTH = 35; | |
4618 | char *fileName; | |
4619 | char *newFileName = NULL; | |
4620 | size_t fileNameLength; | |
b40bf0a2 NC |
4621 | |
4622 | if (file_table) | |
db9537d2 NC |
4623 | { |
4624 | unsigned indx = state_machine_regs.file - 1; | |
4625 | /* PR 20439 */ | |
4626 | if (indx >= n_files) | |
4627 | { | |
4628 | warn (_("corrupt file index %u encountered\n"), indx); | |
4629 | fileName = _("<corrupt>"); | |
4630 | } | |
4631 | else | |
4632 | fileName = (char *) file_table[indx].name; | |
4633 | } | |
b40bf0a2 | 4634 | else |
db9537d2 | 4635 | fileName = _("<unknown>"); |
b40bf0a2 NC |
4636 | |
4637 | fileNameLength = strlen (fileName); | |
a262ae96 | 4638 | |
b4eb7656 AM |
4639 | if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide)) |
4640 | { | |
4641 | newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1); | |
4642 | /* Truncate file name */ | |
4643 | strncpy (newFileName, | |
4644 | fileName + fileNameLength - MAX_FILENAME_LENGTH, | |
4645 | MAX_FILENAME_LENGTH + 1); | |
4646 | } | |
4647 | else | |
4648 | { | |
4649 | newFileName = (char *) xmalloc (fileNameLength + 1); | |
4650 | strncpy (newFileName, fileName, fileNameLength + 1); | |
4651 | } | |
4652 | ||
4653 | if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH)) | |
4654 | { | |
a233b20c | 4655 | if (linfo.li_max_ops_per_insn == 1) |
ba8826a8 | 4656 | printf ("%-35s %11d %#18" DWARF_VMA_FMT "x", |
467c65bc | 4657 | newFileName, state_machine_regs.line, |
a233b20c JJ |
4658 | state_machine_regs.address); |
4659 | else | |
ba8826a8 | 4660 | printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]", |
467c65bc | 4661 | newFileName, state_machine_regs.line, |
a233b20c JJ |
4662 | state_machine_regs.address, |
4663 | state_machine_regs.op_index); | |
b4eb7656 AM |
4664 | } |
4665 | else | |
4666 | { | |
a233b20c | 4667 | if (linfo.li_max_ops_per_insn == 1) |
ba8826a8 | 4668 | printf ("%s %11d %#18" DWARF_VMA_FMT "x", |
467c65bc | 4669 | newFileName, state_machine_regs.line, |
a233b20c JJ |
4670 | state_machine_regs.address); |
4671 | else | |
ba8826a8 | 4672 | printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]", |
467c65bc | 4673 | newFileName, state_machine_regs.line, |
a233b20c JJ |
4674 | state_machine_regs.address, |
4675 | state_machine_regs.op_index); | |
b4eb7656 | 4676 | } |
a262ae96 | 4677 | |
ba8826a8 AO |
4678 | if (state_machine_regs.view) |
4679 | printf (" %6u\n", state_machine_regs.view); | |
4680 | else | |
4681 | putchar ('\n'); | |
4682 | state_machine_regs.view++; | |
4683 | ||
4684 | if (xop == -DW_LNE_end_sequence) | |
4685 | { | |
4686 | reset_state_machine (linfo.li_default_is_stmt); | |
4687 | putchar ('\n'); | |
4688 | } | |
a262ae96 | 4689 | |
b4eb7656 AM |
4690 | free (newFileName); |
4691 | } | |
4692 | } | |
b40bf0a2 NC |
4693 | |
4694 | if (file_table) | |
4695 | { | |
4696 | free (file_table); | |
4697 | file_table = NULL; | |
4698 | n_files = 0; | |
4699 | } | |
4700 | ||
4701 | if (directory_table) | |
4702 | { | |
4703 | free (directory_table); | |
4704 | directory_table = NULL; | |
4705 | n_directories = 0; | |
4706 | } | |
4707 | ||
a262ae96 NC |
4708 | putchar ('\n'); |
4709 | } | |
4710 | ||
4711 | return 1; | |
4712 | } | |
4713 | ||
4714 | static int | |
77145576 | 4715 | display_debug_lines (struct dwarf_section *section, void *file) |
a262ae96 NC |
4716 | { |
4717 | unsigned char *data = section->start; | |
4718 | unsigned char *end = data + section->size; | |
4cb93e3b TG |
4719 | int retValRaw = 1; |
4720 | int retValDecoded = 1; | |
a262ae96 | 4721 | |
008f4c78 NC |
4722 | if (do_debug_lines == 0) |
4723 | do_debug_lines |= FLAG_DEBUG_LINES_RAW; | |
4724 | ||
4cb93e3b | 4725 | if (do_debug_lines & FLAG_DEBUG_LINES_RAW) |
77145576 | 4726 | retValRaw = display_debug_lines_raw (section, data, end, file); |
a262ae96 | 4727 | |
4cb93e3b | 4728 | if (do_debug_lines & FLAG_DEBUG_LINES_DECODED) |
77145576 | 4729 | retValDecoded = display_debug_lines_decoded (section, data, end, file); |
a262ae96 | 4730 | |
4cb93e3b | 4731 | if (!retValRaw || !retValDecoded) |
a262ae96 NC |
4732 | return 0; |
4733 | ||
4734 | return 1; | |
4735 | } | |
4736 | ||
6e3d6dc1 NC |
4737 | static debug_info * |
4738 | find_debug_info_for_offset (unsigned long offset) | |
4739 | { | |
4740 | unsigned int i; | |
4741 | ||
4742 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) | |
4743 | return NULL; | |
4744 | ||
4745 | for (i = 0; i < num_debug_info_entries; i++) | |
4746 | if (debug_information[i].cu_offset == offset) | |
4747 | return debug_information + i; | |
4748 | ||
4749 | return NULL; | |
4750 | } | |
4751 | ||
459d52c8 DE |
4752 | static const char * |
4753 | get_gdb_index_symbol_kind_name (gdb_index_symbol_kind kind) | |
4754 | { | |
4755 | /* See gdb/gdb-index.h. */ | |
4756 | static const char * const kinds[] = | |
4757 | { | |
4758 | N_ ("no info"), | |
4759 | N_ ("type"), | |
4760 | N_ ("variable"), | |
4761 | N_ ("function"), | |
4762 | N_ ("other"), | |
4763 | N_ ("unused5"), | |
4764 | N_ ("unused6"), | |
4765 | N_ ("unused7") | |
4766 | }; | |
4767 | ||
4768 | return _ (kinds[kind]); | |
4769 | } | |
4770 | ||
19e6b90e | 4771 | static int |
459d52c8 DE |
4772 | display_debug_pubnames_worker (struct dwarf_section *section, |
4773 | void *file ATTRIBUTE_UNUSED, | |
4774 | int is_gnu) | |
19e6b90e | 4775 | { |
91d6fa6a | 4776 | DWARF2_Internal_PubNames names; |
19e6b90e L |
4777 | unsigned char *start = section->start; |
4778 | unsigned char *end = start + section->size; | |
4779 | ||
6e3d6dc1 NC |
4780 | /* It does not matter if this load fails, |
4781 | we test for that later on. */ | |
4782 | load_debug_info (file); | |
4783 | ||
dda8d76d | 4784 | introduce (section, FALSE); |
19e6b90e L |
4785 | |
4786 | while (start < end) | |
4787 | { | |
4788 | unsigned char *data; | |
e98fdf1a | 4789 | unsigned long sec_off; |
bf5117e3 | 4790 | unsigned int offset_size, initial_length_size; |
19e6b90e | 4791 | |
e98fdf1a | 4792 | SAFE_BYTE_GET_AND_INC (names.pn_length, start, 4, end); |
91d6fa6a | 4793 | if (names.pn_length == 0xffffffff) |
19e6b90e | 4794 | { |
e98fdf1a | 4795 | SAFE_BYTE_GET_AND_INC (names.pn_length, start, 8, end); |
19e6b90e L |
4796 | offset_size = 8; |
4797 | initial_length_size = 12; | |
4798 | } | |
4799 | else | |
4800 | { | |
4801 | offset_size = 4; | |
4802 | initial_length_size = 4; | |
4803 | } | |
4804 | ||
e98fdf1a AM |
4805 | sec_off = start - section->start; |
4806 | if (sec_off + names.pn_length < sec_off | |
4807 | || sec_off + names.pn_length > section->size) | |
4808 | { | |
4809 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), | |
4810 | section->name, | |
4811 | sec_off - initial_length_size, | |
4812 | dwarf_vmatoa ("x", names.pn_length)); | |
4813 | break; | |
4814 | } | |
4815 | ||
4816 | data = start; | |
4817 | start += names.pn_length; | |
4818 | ||
0c588247 NC |
4819 | SAFE_BYTE_GET_AND_INC (names.pn_version, data, 2, end); |
4820 | SAFE_BYTE_GET_AND_INC (names.pn_offset, data, offset_size, end); | |
6e3d6dc1 NC |
4821 | |
4822 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE | |
4823 | && num_debug_info_entries > 0 | |
91d6fa6a | 4824 | && find_debug_info_for_offset (names.pn_offset) == NULL) |
6e3d6dc1 | 4825 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), |
47704ddf | 4826 | (unsigned long) names.pn_offset, section->name); |
cecf136e | 4827 | |
0c588247 | 4828 | SAFE_BYTE_GET_AND_INC (names.pn_size, data, offset_size, end); |
19e6b90e | 4829 | |
058037d3 NC |
4830 | printf (_(" Length: %ld\n"), |
4831 | (long) names.pn_length); | |
4832 | printf (_(" Version: %d\n"), | |
4833 | names.pn_version); | |
4834 | printf (_(" Offset into .debug_info section: 0x%lx\n"), | |
4835 | (unsigned long) names.pn_offset); | |
4836 | printf (_(" Size of area in .debug_info section: %ld\n"), | |
4837 | (long) names.pn_size); | |
19e6b90e | 4838 | |
91d6fa6a | 4839 | if (names.pn_version != 2 && names.pn_version != 3) |
19e6b90e L |
4840 | { |
4841 | static int warned = 0; | |
4842 | ||
4843 | if (! warned) | |
4844 | { | |
4845 | warn (_("Only DWARF 2 and 3 pubnames are currently supported\n")); | |
4846 | warned = 1; | |
4847 | } | |
4848 | ||
4849 | continue; | |
4850 | } | |
4851 | ||
459d52c8 DE |
4852 | if (is_gnu) |
4853 | printf (_("\n Offset Kind Name\n")); | |
4854 | else | |
4855 | printf (_("\n Offset\tName\n")); | |
19e6b90e | 4856 | |
e98fdf1a | 4857 | while (1) |
19e6b90e | 4858 | { |
f41e4712 | 4859 | bfd_size_type maxprint; |
e98fdf1a | 4860 | dwarf_vma offset; |
f41e4712 | 4861 | |
0c588247 | 4862 | SAFE_BYTE_GET (offset, data, offset_size, end); |
19e6b90e | 4863 | |
e98fdf1a AM |
4864 | if (offset == 0) |
4865 | break; | |
b4eb7656 | 4866 | |
e98fdf1a AM |
4867 | data += offset_size; |
4868 | if (data >= end) | |
4869 | break; | |
4870 | maxprint = (end - data) - 1; | |
f41e4712 | 4871 | |
e98fdf1a AM |
4872 | if (is_gnu) |
4873 | { | |
4874 | unsigned int kind_data; | |
4875 | gdb_index_symbol_kind kind; | |
4876 | const char *kind_name; | |
4877 | int is_static; | |
4878 | ||
4879 | SAFE_BYTE_GET (kind_data, data, 1, end); | |
4880 | data++; | |
4881 | maxprint --; | |
4882 | /* GCC computes the kind as the upper byte in the CU index | |
4883 | word, and then right shifts it by the CU index size. | |
4884 | Left shift KIND to where the gdb-index.h accessor macros | |
4885 | can use it. */ | |
4886 | kind_data <<= GDB_INDEX_CU_BITSIZE; | |
4887 | kind = GDB_INDEX_SYMBOL_KIND_VALUE (kind_data); | |
4888 | kind_name = get_gdb_index_symbol_kind_name (kind); | |
4889 | is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (kind_data); | |
4890 | printf (" %-6lx %s,%-10s %.*s\n", | |
4891 | (unsigned long) offset, is_static ? _("s") : _("g"), | |
4892 | kind_name, (int) maxprint, data); | |
19e6b90e | 4893 | } |
e98fdf1a AM |
4894 | else |
4895 | printf (" %-6lx\t%.*s\n", | |
4896 | (unsigned long) offset, (int) maxprint, data); | |
4897 | ||
4898 | data += strnlen ((char *) data, maxprint) + 1; | |
4899 | if (data >= end) | |
4900 | break; | |
19e6b90e | 4901 | } |
19e6b90e L |
4902 | } |
4903 | ||
4904 | printf ("\n"); | |
4905 | return 1; | |
4906 | } | |
4907 | ||
459d52c8 DE |
4908 | static int |
4909 | display_debug_pubnames (struct dwarf_section *section, void *file) | |
4910 | { | |
4911 | return display_debug_pubnames_worker (section, file, 0); | |
4912 | } | |
4913 | ||
4914 | static int | |
4915 | display_debug_gnu_pubnames (struct dwarf_section *section, void *file) | |
4916 | { | |
4917 | return display_debug_pubnames_worker (section, file, 1); | |
4918 | } | |
4919 | ||
19e6b90e L |
4920 | static int |
4921 | display_debug_macinfo (struct dwarf_section *section, | |
4922 | void *file ATTRIBUTE_UNUSED) | |
4923 | { | |
4924 | unsigned char *start = section->start; | |
4925 | unsigned char *end = start + section->size; | |
4926 | unsigned char *curr = start; | |
4927 | unsigned int bytes_read; | |
4928 | enum dwarf_macinfo_record_type op; | |
4929 | ||
dda8d76d | 4930 | introduce (section, FALSE); |
19e6b90e L |
4931 | |
4932 | while (curr < end) | |
4933 | { | |
4934 | unsigned int lineno; | |
0c588247 | 4935 | const unsigned char *string; |
19e6b90e | 4936 | |
3f5e193b | 4937 | op = (enum dwarf_macinfo_record_type) *curr; |
19e6b90e L |
4938 | curr++; |
4939 | ||
4940 | switch (op) | |
4941 | { | |
4942 | case DW_MACINFO_start_file: | |
4943 | { | |
4944 | unsigned int filenum; | |
4945 | ||
f6f0e17b | 4946 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 4947 | curr += bytes_read; |
f6f0e17b | 4948 | filenum = read_uleb128 (curr, & bytes_read, end); |
19e6b90e L |
4949 | curr += bytes_read; |
4950 | ||
4951 | printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), | |
4952 | lineno, filenum); | |
4953 | } | |
4954 | break; | |
4955 | ||
4956 | case DW_MACINFO_end_file: | |
4957 | printf (_(" DW_MACINFO_end_file\n")); | |
4958 | break; | |
4959 | ||
4960 | case DW_MACINFO_define: | |
f6f0e17b | 4961 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 4962 | curr += bytes_read; |
0c588247 NC |
4963 | string = curr; |
4964 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
4965 | printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"), |
4966 | lineno, string); | |
4967 | break; | |
4968 | ||
4969 | case DW_MACINFO_undef: | |
f6f0e17b | 4970 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 4971 | curr += bytes_read; |
0c588247 NC |
4972 | string = curr; |
4973 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
4974 | printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"), |
4975 | lineno, string); | |
4976 | break; | |
4977 | ||
4978 | case DW_MACINFO_vendor_ext: | |
4979 | { | |
4980 | unsigned int constant; | |
4981 | ||
f6f0e17b | 4982 | constant = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 4983 | curr += bytes_read; |
0c588247 NC |
4984 | string = curr; |
4985 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
4986 | printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), |
4987 | constant, string); | |
4988 | } | |
4989 | break; | |
4990 | } | |
4991 | } | |
4992 | ||
4993 | return 1; | |
4994 | } | |
4995 | ||
4ccf1e31 JJ |
4996 | /* Given LINE_OFFSET into the .debug_line section, attempt to return |
4997 | filename and dirname corresponding to file name table entry with index | |
4998 | FILEIDX. Return NULL on failure. */ | |
4999 | ||
5000 | static unsigned char * | |
f6f0e17b NC |
5001 | get_line_filename_and_dirname (dwarf_vma line_offset, |
5002 | dwarf_vma fileidx, | |
4ccf1e31 JJ |
5003 | unsigned char **dir_name) |
5004 | { | |
5005 | struct dwarf_section *section = &debug_displays [line].section; | |
5006 | unsigned char *hdrptr, *dirtable, *file_name; | |
5007 | unsigned int offset_size, initial_length_size; | |
5008 | unsigned int version, opcode_base, bytes_read; | |
5009 | dwarf_vma length, diridx; | |
f6f0e17b | 5010 | const unsigned char * end; |
4ccf1e31 JJ |
5011 | |
5012 | *dir_name = NULL; | |
5013 | if (section->start == NULL | |
5014 | || line_offset >= section->size | |
5015 | || fileidx == 0) | |
5016 | return NULL; | |
5017 | ||
5018 | hdrptr = section->start + line_offset; | |
f6f0e17b | 5019 | end = section->start + section->size; |
0c588247 NC |
5020 | |
5021 | SAFE_BYTE_GET_AND_INC (length, hdrptr, 4, end); | |
4ccf1e31 JJ |
5022 | if (length == 0xffffffff) |
5023 | { | |
5024 | /* This section is 64-bit DWARF 3. */ | |
0c588247 | 5025 | SAFE_BYTE_GET_AND_INC (length, hdrptr, 8, end); |
4ccf1e31 JJ |
5026 | offset_size = 8; |
5027 | initial_length_size = 12; | |
5028 | } | |
5029 | else | |
5030 | { | |
5031 | offset_size = 4; | |
5032 | initial_length_size = 4; | |
5033 | } | |
e98fdf1a AM |
5034 | if (length + initial_length_size < length |
5035 | || length + initial_length_size > section->size) | |
4ccf1e31 | 5036 | return NULL; |
0c588247 NC |
5037 | |
5038 | SAFE_BYTE_GET_AND_INC (version, hdrptr, 2, end); | |
4ccf1e31 JJ |
5039 | if (version != 2 && version != 3 && version != 4) |
5040 | return NULL; | |
5041 | hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */ | |
5042 | if (version >= 4) | |
5043 | hdrptr++; /* Skip max_ops_per_insn. */ | |
5044 | hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */ | |
0c588247 NC |
5045 | |
5046 | SAFE_BYTE_GET_AND_INC (opcode_base, hdrptr, 1, end); | |
4ccf1e31 JJ |
5047 | if (opcode_base == 0) |
5048 | return NULL; | |
0c588247 | 5049 | |
4ccf1e31 | 5050 | hdrptr += opcode_base - 1; |
5c1c468d NC |
5051 | if (hdrptr >= end) |
5052 | return NULL; | |
5053 | ||
4ccf1e31 JJ |
5054 | dirtable = hdrptr; |
5055 | /* Skip over dirname table. */ | |
5056 | while (*hdrptr != '\0') | |
5c1c468d NC |
5057 | { |
5058 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; | |
5059 | if (hdrptr >= end) | |
5060 | return NULL; | |
5061 | } | |
4ccf1e31 | 5062 | hdrptr++; /* Skip the NUL at the end of the table. */ |
5c1c468d | 5063 | |
4ccf1e31 | 5064 | /* Now skip over preceding filename table entries. */ |
5c1c468d | 5065 | for (; hdrptr < end && *hdrptr != '\0' && fileidx > 1; fileidx--) |
4ccf1e31 | 5066 | { |
0c588247 | 5067 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
f6f0e17b | 5068 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 | 5069 | hdrptr += bytes_read; |
f6f0e17b | 5070 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 | 5071 | hdrptr += bytes_read; |
f6f0e17b | 5072 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 JJ |
5073 | hdrptr += bytes_read; |
5074 | } | |
5c1c468d | 5075 | if (hdrptr >= end || *hdrptr == '\0') |
4ccf1e31 | 5076 | return NULL; |
5c1c468d | 5077 | |
4ccf1e31 | 5078 | file_name = hdrptr; |
0c588247 | 5079 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
5c1c468d NC |
5080 | if (hdrptr >= end) |
5081 | return NULL; | |
f6f0e17b | 5082 | diridx = read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 JJ |
5083 | if (diridx == 0) |
5084 | return file_name; | |
5c1c468d | 5085 | for (; dirtable < end && *dirtable != '\0' && diridx > 1; diridx--) |
0c588247 | 5086 | dirtable += strnlen ((char *) dirtable, end - dirtable) + 1; |
5c1c468d | 5087 | if (dirtable >= end || *dirtable == '\0') |
4ccf1e31 JJ |
5088 | return NULL; |
5089 | *dir_name = dirtable; | |
5090 | return file_name; | |
5091 | } | |
5092 | ||
5093 | static int | |
5094 | display_debug_macro (struct dwarf_section *section, | |
5095 | void *file) | |
5096 | { | |
5097 | unsigned char *start = section->start; | |
5098 | unsigned char *end = start + section->size; | |
5099 | unsigned char *curr = start; | |
5100 | unsigned char *extended_op_buf[256]; | |
5101 | unsigned int bytes_read; | |
5102 | ||
dda8d76d NC |
5103 | load_debug_section_with_follow (str, file); |
5104 | load_debug_section_with_follow (line, file); | |
4ccf1e31 | 5105 | |
dda8d76d | 5106 | introduce (section, FALSE); |
4ccf1e31 JJ |
5107 | |
5108 | while (curr < end) | |
5109 | { | |
5110 | unsigned int lineno, version, flags; | |
5111 | unsigned int offset_size = 4; | |
0c588247 | 5112 | const unsigned char *string; |
4ccf1e31 JJ |
5113 | dwarf_vma line_offset = 0, sec_offset = curr - start, offset; |
5114 | unsigned char **extended_ops = NULL; | |
5115 | ||
0c588247 | 5116 | SAFE_BYTE_GET_AND_INC (version, curr, 2, end); |
7a7e1061 | 5117 | if (version != 4 && version != 5) |
4ccf1e31 | 5118 | { |
7a7e1061 | 5119 | error (_("Only GNU extension to DWARF 4 or 5 of %s is currently supported.\n"), |
4ccf1e31 JJ |
5120 | section->name); |
5121 | return 0; | |
5122 | } | |
5123 | ||
0c588247 | 5124 | SAFE_BYTE_GET_AND_INC (flags, curr, 1, end); |
4ccf1e31 JJ |
5125 | if (flags & 1) |
5126 | offset_size = 8; | |
5127 | printf (_(" Offset: 0x%lx\n"), | |
5128 | (unsigned long) sec_offset); | |
5129 | printf (_(" Version: %d\n"), version); | |
5130 | printf (_(" Offset size: %d\n"), offset_size); | |
5131 | if (flags & 2) | |
5132 | { | |
0c588247 | 5133 | SAFE_BYTE_GET_AND_INC (line_offset, curr, offset_size, end); |
4ccf1e31 JJ |
5134 | printf (_(" Offset into .debug_line: 0x%lx\n"), |
5135 | (unsigned long) line_offset); | |
5136 | } | |
5137 | if (flags & 4) | |
5138 | { | |
0c588247 | 5139 | unsigned int i, count, op; |
4ccf1e31 | 5140 | dwarf_vma nargs, n; |
0c588247 NC |
5141 | |
5142 | SAFE_BYTE_GET_AND_INC (count, curr, 1, end); | |
bf5117e3 | 5143 | |
4ccf1e31 JJ |
5144 | memset (extended_op_buf, 0, sizeof (extended_op_buf)); |
5145 | extended_ops = extended_op_buf; | |
5146 | if (count) | |
5147 | { | |
5148 | printf (_(" Extension opcode arguments:\n")); | |
5149 | for (i = 0; i < count; i++) | |
5150 | { | |
0c588247 | 5151 | SAFE_BYTE_GET_AND_INC (op, curr, 1, end); |
4ccf1e31 | 5152 | extended_ops[op] = curr; |
f6f0e17b | 5153 | nargs = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 JJ |
5154 | curr += bytes_read; |
5155 | if (nargs == 0) | |
7a7e1061 | 5156 | printf (_(" DW_MACRO_%02x has no arguments\n"), op); |
4ccf1e31 JJ |
5157 | else |
5158 | { | |
7a7e1061 | 5159 | printf (_(" DW_MACRO_%02x arguments: "), op); |
4ccf1e31 JJ |
5160 | for (n = 0; n < nargs; n++) |
5161 | { | |
0c588247 NC |
5162 | unsigned int form; |
5163 | ||
5164 | SAFE_BYTE_GET_AND_INC (form, curr, 1, end); | |
4ccf1e31 JJ |
5165 | printf ("%s%s", get_FORM_name (form), |
5166 | n == nargs - 1 ? "\n" : ", "); | |
5167 | switch (form) | |
5168 | { | |
5169 | case DW_FORM_data1: | |
5170 | case DW_FORM_data2: | |
5171 | case DW_FORM_data4: | |
5172 | case DW_FORM_data8: | |
5173 | case DW_FORM_sdata: | |
5174 | case DW_FORM_udata: | |
5175 | case DW_FORM_block: | |
5176 | case DW_FORM_block1: | |
5177 | case DW_FORM_block2: | |
5178 | case DW_FORM_block4: | |
5179 | case DW_FORM_flag: | |
5180 | case DW_FORM_string: | |
5181 | case DW_FORM_strp: | |
5182 | case DW_FORM_sec_offset: | |
5183 | break; | |
5184 | default: | |
5185 | error (_("Invalid extension opcode form %s\n"), | |
5186 | get_FORM_name (form)); | |
5187 | return 0; | |
5188 | } | |
5189 | } | |
5190 | } | |
5191 | } | |
5192 | } | |
5193 | } | |
5194 | printf ("\n"); | |
5195 | ||
5196 | while (1) | |
5197 | { | |
5198 | unsigned int op; | |
5199 | ||
5200 | if (curr >= end) | |
5201 | { | |
5202 | error (_(".debug_macro section not zero terminated\n")); | |
5203 | return 0; | |
5204 | } | |
5205 | ||
0c588247 | 5206 | SAFE_BYTE_GET_AND_INC (op, curr, 1, end); |
4ccf1e31 JJ |
5207 | if (op == 0) |
5208 | break; | |
5209 | ||
5210 | switch (op) | |
5211 | { | |
7a7e1061 | 5212 | case DW_MACRO_start_file: |
4ccf1e31 JJ |
5213 | { |
5214 | unsigned int filenum; | |
5215 | unsigned char *file_name = NULL, *dir_name = NULL; | |
5216 | ||
f6f0e17b | 5217 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 5218 | curr += bytes_read; |
f6f0e17b | 5219 | filenum = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 JJ |
5220 | curr += bytes_read; |
5221 | ||
5222 | if ((flags & 2) == 0) | |
7a7e1061 | 5223 | error (_("DW_MACRO_start_file used, but no .debug_line offset provided.\n")); |
4ccf1e31 JJ |
5224 | else |
5225 | file_name | |
5226 | = get_line_filename_and_dirname (line_offset, filenum, | |
5227 | &dir_name); | |
5228 | if (file_name == NULL) | |
7a7e1061 | 5229 | printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d\n"), |
4ccf1e31 JJ |
5230 | lineno, filenum); |
5231 | else | |
7a7e1061 | 5232 | printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d filename: %s%s%s\n"), |
4ccf1e31 JJ |
5233 | lineno, filenum, |
5234 | dir_name != NULL ? (const char *) dir_name : "", | |
5235 | dir_name != NULL ? "/" : "", file_name); | |
5236 | } | |
5237 | break; | |
5238 | ||
7a7e1061 JK |
5239 | case DW_MACRO_end_file: |
5240 | printf (_(" DW_MACRO_end_file\n")); | |
4ccf1e31 JJ |
5241 | break; |
5242 | ||
7a7e1061 | 5243 | case DW_MACRO_define: |
f6f0e17b | 5244 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 5245 | curr += bytes_read; |
0c588247 NC |
5246 | string = curr; |
5247 | curr += strnlen ((char *) string, end - string) + 1; | |
7a7e1061 | 5248 | printf (_(" DW_MACRO_define - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
5249 | lineno, string); |
5250 | break; | |
5251 | ||
7a7e1061 | 5252 | case DW_MACRO_undef: |
f6f0e17b | 5253 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 5254 | curr += bytes_read; |
0c588247 NC |
5255 | string = curr; |
5256 | curr += strnlen ((char *) string, end - string) + 1; | |
7a7e1061 | 5257 | printf (_(" DW_MACRO_undef - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
5258 | lineno, string); |
5259 | break; | |
5260 | ||
7a7e1061 | 5261 | case DW_MACRO_define_strp: |
f6f0e17b | 5262 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 5263 | curr += bytes_read; |
0c588247 | 5264 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 | 5265 | string = fetch_indirect_string (offset); |
7a7e1061 | 5266 | printf (_(" DW_MACRO_define_strp - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
5267 | lineno, string); |
5268 | break; | |
5269 | ||
7a7e1061 | 5270 | case DW_MACRO_undef_strp: |
f6f0e17b | 5271 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 5272 | curr += bytes_read; |
0c588247 | 5273 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 | 5274 | string = fetch_indirect_string (offset); |
7a7e1061 | 5275 | printf (_(" DW_MACRO_undef_strp - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
5276 | lineno, string); |
5277 | break; | |
5278 | ||
7a7e1061 | 5279 | case DW_MACRO_import: |
0c588247 | 5280 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 5281 | printf (_(" DW_MACRO_import - offset : 0x%lx\n"), |
4ccf1e31 JJ |
5282 | (unsigned long) offset); |
5283 | break; | |
5284 | ||
7a7e1061 | 5285 | case DW_MACRO_define_sup: |
f6f0e17b | 5286 | lineno = read_uleb128 (curr, &bytes_read, end); |
a081f3cd | 5287 | curr += bytes_read; |
0c588247 | 5288 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 5289 | printf (_(" DW_MACRO_define_sup - lineno : %d macro offset : 0x%lx\n"), |
a081f3cd JJ |
5290 | lineno, (unsigned long) offset); |
5291 | break; | |
5292 | ||
7a7e1061 | 5293 | case DW_MACRO_undef_sup: |
f6f0e17b | 5294 | lineno = read_uleb128 (curr, &bytes_read, end); |
a081f3cd | 5295 | curr += bytes_read; |
0c588247 | 5296 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 5297 | printf (_(" DW_MACRO_undef_sup - lineno : %d macro offset : 0x%lx\n"), |
a081f3cd JJ |
5298 | lineno, (unsigned long) offset); |
5299 | break; | |
5300 | ||
7a7e1061 | 5301 | case DW_MACRO_import_sup: |
0c588247 | 5302 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 5303 | printf (_(" DW_MACRO_import_sup - offset : 0x%lx\n"), |
a081f3cd JJ |
5304 | (unsigned long) offset); |
5305 | break; | |
5306 | ||
4ccf1e31 JJ |
5307 | default: |
5308 | if (extended_ops == NULL || extended_ops[op] == NULL) | |
5309 | { | |
5310 | error (_(" Unknown macro opcode %02x seen\n"), op); | |
5311 | return 0; | |
5312 | } | |
5313 | else | |
5314 | { | |
5315 | /* Skip over unhandled opcodes. */ | |
5316 | dwarf_vma nargs, n; | |
5317 | unsigned char *desc = extended_ops[op]; | |
f6f0e17b | 5318 | nargs = read_uleb128 (desc, &bytes_read, end); |
4ccf1e31 JJ |
5319 | desc += bytes_read; |
5320 | if (nargs == 0) | |
5321 | { | |
7a7e1061 | 5322 | printf (_(" DW_MACRO_%02x\n"), op); |
4ccf1e31 JJ |
5323 | break; |
5324 | } | |
7a7e1061 | 5325 | printf (_(" DW_MACRO_%02x -"), op); |
4ccf1e31 JJ |
5326 | for (n = 0; n < nargs; n++) |
5327 | { | |
0c588247 NC |
5328 | int val; |
5329 | ||
77145576 | 5330 | /* DW_FORM_implicit_const is not expected here. */ |
0c588247 | 5331 | SAFE_BYTE_GET_AND_INC (val, desc, 1, end); |
4ccf1e31 | 5332 | curr |
77145576 | 5333 | = read_and_display_attr_value (0, val, 0, |
f6f0e17b | 5334 | curr, end, 0, 0, offset_size, |
341f9135 | 5335 | version, NULL, 0, NULL, |
ef0b5f1c | 5336 | NULL, ' '); |
4ccf1e31 JJ |
5337 | if (n != nargs - 1) |
5338 | printf (","); | |
5339 | } | |
5340 | printf ("\n"); | |
5341 | } | |
5342 | break; | |
5343 | } | |
5344 | } | |
5345 | ||
5346 | printf ("\n"); | |
b4eb7656 | 5347 | } |
4ccf1e31 JJ |
5348 | |
5349 | return 1; | |
5350 | } | |
5351 | ||
19e6b90e L |
5352 | static int |
5353 | display_debug_abbrev (struct dwarf_section *section, | |
5354 | void *file ATTRIBUTE_UNUSED) | |
5355 | { | |
5356 | abbrev_entry *entry; | |
5357 | unsigned char *start = section->start; | |
5358 | unsigned char *end = start + section->size; | |
5359 | ||
dda8d76d | 5360 | introduce (section, FALSE); |
19e6b90e L |
5361 | |
5362 | do | |
5363 | { | |
7282333f AM |
5364 | unsigned char *last; |
5365 | ||
19e6b90e L |
5366 | free_abbrevs (); |
5367 | ||
7282333f | 5368 | last = start; |
19e6b90e L |
5369 | start = process_abbrev_section (start, end); |
5370 | ||
5371 | if (first_abbrev == NULL) | |
5372 | continue; | |
5373 | ||
7282333f | 5374 | printf (_(" Number TAG (0x%lx)\n"), (long) (last - section->start)); |
19e6b90e L |
5375 | |
5376 | for (entry = first_abbrev; entry; entry = entry->next) | |
5377 | { | |
5378 | abbrev_attr *attr; | |
5379 | ||
cc5914eb | 5380 | printf (" %ld %s [%s]\n", |
19e6b90e L |
5381 | entry->entry, |
5382 | get_TAG_name (entry->tag), | |
5383 | entry->children ? _("has children") : _("no children")); | |
5384 | ||
5385 | for (attr = entry->first_attr; attr; attr = attr->next) | |
77145576 JK |
5386 | { |
5387 | printf (" %-18s %s", | |
5388 | get_AT_name (attr->attribute), | |
5389 | get_FORM_name (attr->form)); | |
5390 | if (attr->form == DW_FORM_implicit_const) | |
5391 | printf (": %" BFD_VMA_FMT "d", attr->implicit_const); | |
5392 | putchar ('\n'); | |
5393 | } | |
19e6b90e L |
5394 | } |
5395 | } | |
5396 | while (start); | |
5397 | ||
5398 | printf ("\n"); | |
5399 | ||
5400 | return 1; | |
5401 | } | |
5402 | ||
42bcef4a AB |
5403 | /* Return true when ADDR is the maximum address, when addresses are |
5404 | POINTER_SIZE bytes long. */ | |
5405 | ||
5406 | static bfd_boolean | |
5407 | is_max_address (dwarf_vma addr, unsigned int pointer_size) | |
5408 | { | |
5409 | dwarf_vma mask = ~(~(dwarf_vma) 1 << (pointer_size * 8 - 1)); | |
5410 | return ((addr & mask) == mask); | |
5411 | } | |
5412 | ||
9f272209 AO |
5413 | /* Display a view pair list starting at *VSTART_PTR and ending at |
5414 | VLISTEND within SECTION. */ | |
5415 | ||
5416 | static void | |
5417 | display_view_pair_list (struct dwarf_section *section, | |
5418 | unsigned char **vstart_ptr, | |
5419 | unsigned int debug_info_entry, | |
5420 | unsigned char *vlistend) | |
5421 | { | |
5422 | unsigned char *vstart = *vstart_ptr; | |
5423 | unsigned char *section_end = section->start + section->size; | |
5424 | unsigned int pointer_size = debug_information [debug_info_entry].pointer_size; | |
5425 | ||
5426 | if (vlistend < section_end) | |
5427 | section_end = vlistend; | |
5428 | ||
5429 | putchar ('\n'); | |
5430 | ||
5431 | while (vstart < section_end) | |
5432 | { | |
5433 | dwarf_vma off = vstart - section->start; | |
5434 | dwarf_vma vbegin, vend; | |
5435 | ||
5436 | unsigned int bytes_read; | |
5437 | vbegin = read_uleb128 (vstart, &bytes_read, section_end); | |
5438 | vstart += bytes_read; | |
5439 | if (vstart == section_end) | |
5440 | { | |
5441 | vstart -= bytes_read; | |
5442 | break; | |
5443 | } | |
5444 | ||
5445 | vend = read_uleb128 (vstart, &bytes_read, section_end); | |
5446 | vstart += bytes_read; | |
5447 | ||
5448 | printf (" %8.8lx ", (unsigned long) off); | |
5449 | ||
5450 | print_dwarf_view (vbegin, pointer_size, 1); | |
5451 | print_dwarf_view (vend, pointer_size, 1); | |
5452 | printf (_("location view pair\n")); | |
5453 | } | |
5454 | ||
5455 | putchar ('\n'); | |
5456 | *vstart_ptr = vstart; | |
5457 | } | |
5458 | ||
4723351a CC |
5459 | /* Display a location list from a normal (ie, non-dwo) .debug_loc section. */ |
5460 | ||
5461 | static void | |
5462 | display_loc_list (struct dwarf_section *section, | |
b4eb7656 AM |
5463 | unsigned char **start_ptr, |
5464 | unsigned int debug_info_entry, | |
359ca075 JK |
5465 | dwarf_vma offset, |
5466 | dwarf_vma base_address, | |
9f272209 | 5467 | unsigned char **vstart_ptr, |
b4eb7656 | 5468 | int has_frame_base) |
4723351a | 5469 | { |
9f272209 | 5470 | unsigned char *start = *start_ptr, *vstart = *vstart_ptr; |
4723351a | 5471 | unsigned char *section_end = section->start + section->size; |
82b1b41b NC |
5472 | unsigned long cu_offset; |
5473 | unsigned int pointer_size; | |
5474 | unsigned int offset_size; | |
5475 | int dwarf_version; | |
4723351a CC |
5476 | |
5477 | dwarf_vma begin; | |
5478 | dwarf_vma end; | |
5479 | unsigned short length; | |
5480 | int need_frame_base; | |
5481 | ||
82b1b41b NC |
5482 | if (debug_info_entry >= num_debug_info_entries) |
5483 | { | |
5484 | warn (_("No debug information available for loc lists of entry: %u\n"), | |
5485 | debug_info_entry); | |
5486 | return; | |
5487 | } | |
b4eb7656 | 5488 | |
82b1b41b NC |
5489 | cu_offset = debug_information [debug_info_entry].cu_offset; |
5490 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
5491 | offset_size = debug_information [debug_info_entry].offset_size; | |
5492 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
b4eb7656 | 5493 | |
f41e4712 NC |
5494 | if (pointer_size < 2 || pointer_size > 8) |
5495 | { | |
5496 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
5497 | pointer_size, debug_info_entry); | |
5498 | return; | |
5499 | } | |
5500 | ||
4723351a CC |
5501 | while (1) |
5502 | { | |
359ca075 | 5503 | dwarf_vma off = offset + (start - *start_ptr); |
9f272209 | 5504 | dwarf_vma vbegin = vm1, vend = vm1; |
d1c4b12b | 5505 | |
4723351a | 5506 | if (start + 2 * pointer_size > section_end) |
b4eb7656 AM |
5507 | { |
5508 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5509 | (unsigned long) offset); |
b4eb7656 AM |
5510 | break; |
5511 | } | |
4723351a | 5512 | |
359ca075 | 5513 | printf (" %8.8lx ", (unsigned long) off); |
fab128ef | 5514 | |
0c588247 NC |
5515 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end); |
5516 | SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end); | |
4723351a | 5517 | |
4723351a | 5518 | if (begin == 0 && end == 0) |
b4eb7656 | 5519 | { |
d1c4b12b NC |
5520 | /* PR 18374: In a object file we can have a location list that |
5521 | starts with a begin and end of 0 because there are relocations | |
5522 | that need to be applied to the addresses. Actually applying | |
5523 | the relocations now does not help as they will probably resolve | |
5524 | to 0, since the object file has not been fully linked. Real | |
5525 | end of list markers will not have any relocations against them. */ | |
5526 | if (! reloc_at (section, off) | |
5527 | && ! reloc_at (section, off + pointer_size)) | |
5528 | { | |
5529 | printf (_("<End of list>\n")); | |
5530 | break; | |
5531 | } | |
b4eb7656 | 5532 | } |
4723351a CC |
5533 | |
5534 | /* Check base address specifiers. */ | |
42bcef4a AB |
5535 | if (is_max_address (begin, pointer_size) |
5536 | && !is_max_address (end, pointer_size)) | |
b4eb7656 AM |
5537 | { |
5538 | base_address = end; | |
5539 | print_dwarf_vma (begin, pointer_size); | |
5540 | print_dwarf_vma (end, pointer_size); | |
5541 | printf (_("(base address)\n")); | |
5542 | continue; | |
5543 | } | |
4723351a | 5544 | |
9f272209 AO |
5545 | if (vstart) |
5546 | { | |
5547 | unsigned int bytes_read; | |
5548 | ||
5549 | off = offset + (vstart - *start_ptr); | |
5550 | ||
5551 | vbegin = read_uleb128 (vstart, &bytes_read, section_end); | |
5552 | vstart += bytes_read; | |
5553 | print_dwarf_view (vbegin, pointer_size, 1); | |
5554 | ||
5555 | vend = read_uleb128 (vstart, &bytes_read, section_end); | |
5556 | vstart += bytes_read; | |
5557 | print_dwarf_view (vend, pointer_size, 1); | |
5558 | ||
5559 | printf (_("views at %8.8lx for:\n %*s "), | |
5560 | (unsigned long) off, 8, ""); | |
5561 | } | |
5562 | ||
4723351a | 5563 | if (start + 2 > section_end) |
b4eb7656 AM |
5564 | { |
5565 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5566 | (unsigned long) offset); |
b4eb7656 AM |
5567 | break; |
5568 | } | |
4723351a | 5569 | |
0c588247 | 5570 | SAFE_BYTE_GET_AND_INC (length, start, 2, section_end); |
4723351a CC |
5571 | |
5572 | if (start + length > section_end) | |
b4eb7656 AM |
5573 | { |
5574 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5575 | (unsigned long) offset); |
b4eb7656 AM |
5576 | break; |
5577 | } | |
4723351a CC |
5578 | |
5579 | print_dwarf_vma (begin + base_address, pointer_size); | |
5580 | print_dwarf_vma (end + base_address, pointer_size); | |
5581 | ||
5582 | putchar ('('); | |
5583 | need_frame_base = decode_location_expression (start, | |
b4eb7656 AM |
5584 | pointer_size, |
5585 | offset_size, | |
5586 | dwarf_version, | |
5587 | length, | |
5588 | cu_offset, section); | |
4723351a CC |
5589 | putchar (')'); |
5590 | ||
5591 | if (need_frame_base && !has_frame_base) | |
b4eb7656 | 5592 | printf (_(" [without DW_AT_frame_base]")); |
4723351a | 5593 | |
9f272209 | 5594 | if (begin == end && vbegin == vend) |
b4eb7656 | 5595 | fputs (_(" (start == end)"), stdout); |
9f272209 | 5596 | else if (begin > end || (begin == end && vbegin > vend)) |
b4eb7656 | 5597 | fputs (_(" (start > end)"), stdout); |
4723351a CC |
5598 | |
5599 | putchar ('\n'); | |
5600 | ||
5601 | start += length; | |
5602 | } | |
5603 | ||
5604 | *start_ptr = start; | |
9f272209 | 5605 | *vstart_ptr = vstart; |
4723351a CC |
5606 | } |
5607 | ||
77145576 JK |
5608 | /* Display a location list from a normal (ie, non-dwo) .debug_loclists section. */ |
5609 | ||
5610 | static void | |
5611 | display_loclists_list (struct dwarf_section *section, | |
5612 | unsigned char **start_ptr, | |
5613 | unsigned int debug_info_entry, | |
5614 | dwarf_vma offset, | |
5615 | dwarf_vma base_address, | |
9f272209 | 5616 | unsigned char **vstart_ptr, |
77145576 JK |
5617 | int has_frame_base) |
5618 | { | |
9f272209 | 5619 | unsigned char *start = *start_ptr, *vstart = *vstart_ptr; |
77145576 JK |
5620 | unsigned char *section_end = section->start + section->size; |
5621 | unsigned long cu_offset; | |
5622 | unsigned int pointer_size; | |
5623 | unsigned int offset_size; | |
5624 | int dwarf_version; | |
5625 | unsigned int bytes_read; | |
5626 | ||
9dfd0db9 | 5627 | /* Initialize it due to a false compiler warning. */ |
9f272209 AO |
5628 | dwarf_vma begin = -1, vbegin = -1; |
5629 | dwarf_vma end = -1, vend = -1; | |
77145576 JK |
5630 | dwarf_vma length; |
5631 | int need_frame_base; | |
5632 | ||
5633 | if (debug_info_entry >= num_debug_info_entries) | |
5634 | { | |
5635 | warn (_("No debug information available for " | |
5636 | "loclists lists of entry: %u\n"), | |
5637 | debug_info_entry); | |
5638 | return; | |
5639 | } | |
5640 | ||
5641 | cu_offset = debug_information [debug_info_entry].cu_offset; | |
5642 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
5643 | offset_size = debug_information [debug_info_entry].offset_size; | |
5644 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
5645 | ||
5646 | if (pointer_size < 2 || pointer_size > 8) | |
5647 | { | |
5648 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
5649 | pointer_size, debug_info_entry); | |
5650 | return; | |
5651 | } | |
5652 | ||
5653 | while (1) | |
5654 | { | |
5655 | dwarf_vma off = offset + (start - *start_ptr); | |
5656 | enum dwarf_location_list_entry_type llet; | |
5657 | ||
5658 | if (start + 1 > section_end) | |
5659 | { | |
5660 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
5661 | (unsigned long) offset); | |
5662 | break; | |
5663 | } | |
5664 | ||
5665 | printf (" %8.8lx ", (unsigned long) off); | |
5666 | ||
5667 | SAFE_BYTE_GET_AND_INC (llet, start, 1, section_end); | |
5668 | ||
9f272209 AO |
5669 | if (vstart && llet == DW_LLE_offset_pair) |
5670 | { | |
5671 | off = offset + (vstart - *start_ptr); | |
5672 | ||
5673 | vbegin = read_uleb128 (vstart, &bytes_read, section_end); | |
5674 | vstart += bytes_read; | |
5675 | print_dwarf_view (vbegin, pointer_size, 1); | |
5676 | ||
5677 | vend = read_uleb128 (vstart, &bytes_read, section_end); | |
5678 | vstart += bytes_read; | |
5679 | print_dwarf_view (vend, pointer_size, 1); | |
5680 | ||
5681 | printf (_("views at %8.8lx for:\n %*s "), | |
5682 | (unsigned long) off, 8, ""); | |
5683 | } | |
5684 | ||
77145576 JK |
5685 | switch (llet) |
5686 | { | |
5687 | case DW_LLE_end_of_list: | |
5688 | printf (_("<End of list>\n")); | |
5689 | break; | |
5690 | case DW_LLE_offset_pair: | |
5691 | begin = read_uleb128 (start, &bytes_read, section_end); | |
5692 | start += bytes_read; | |
5693 | end = read_uleb128 (start, &bytes_read, section_end); | |
5694 | start += bytes_read; | |
5695 | break; | |
5696 | case DW_LLE_base_address: | |
5697 | SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, | |
5698 | section_end); | |
5699 | print_dwarf_vma (base_address, pointer_size); | |
5700 | printf (_("(base address)\n")); | |
5701 | break; | |
9f272209 AO |
5702 | #ifdef DW_LLE_view_pair |
5703 | case DW_LLE_view_pair: | |
5704 | if (vstart) | |
5705 | printf (_("View pair entry in loclist with locviews attribute\n")); | |
5706 | vbegin = read_uleb128 (start, &bytes_read, section_end); | |
5707 | start += bytes_read; | |
5708 | print_dwarf_view (vbegin, pointer_size, 1); | |
5709 | ||
5710 | vend = read_uleb128 (start, &bytes_read, section_end); | |
5711 | start += bytes_read; | |
5712 | print_dwarf_view (vend, pointer_size, 1); | |
5713 | ||
5714 | printf (_("views for:\n")); | |
5715 | continue; | |
5716 | #endif | |
77145576 JK |
5717 | default: |
5718 | error (_("Invalid location list entry type %d\n"), llet); | |
5719 | return; | |
5720 | } | |
5721 | if (llet == DW_LLE_end_of_list) | |
5722 | break; | |
5723 | if (llet != DW_LLE_offset_pair) | |
5724 | continue; | |
5725 | ||
5726 | if (start + 2 > section_end) | |
5727 | { | |
5728 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
5729 | (unsigned long) offset); | |
5730 | break; | |
5731 | } | |
5732 | ||
5733 | length = read_uleb128 (start, &bytes_read, section_end); | |
5734 | start += bytes_read; | |
5735 | ||
5736 | print_dwarf_vma (begin + base_address, pointer_size); | |
5737 | print_dwarf_vma (end + base_address, pointer_size); | |
5738 | ||
5739 | putchar ('('); | |
5740 | need_frame_base = decode_location_expression (start, | |
5741 | pointer_size, | |
5742 | offset_size, | |
5743 | dwarf_version, | |
5744 | length, | |
5745 | cu_offset, section); | |
5746 | putchar (')'); | |
5747 | ||
5748 | if (need_frame_base && !has_frame_base) | |
5749 | printf (_(" [without DW_AT_frame_base]")); | |
5750 | ||
9f272209 | 5751 | if (begin == end && vbegin == vend) |
77145576 | 5752 | fputs (_(" (start == end)"), stdout); |
9f272209 | 5753 | else if (begin > end || (begin == end && vbegin > vend)) |
77145576 JK |
5754 | fputs (_(" (start > end)"), stdout); |
5755 | ||
5756 | putchar ('\n'); | |
5757 | ||
5758 | start += length; | |
9f272209 | 5759 | vbegin = vend = -1; |
77145576 JK |
5760 | } |
5761 | ||
9f272209 AO |
5762 | if (vbegin != vm1 || vend != vm1) |
5763 | printf (_("Trailing view pair not used in a range")); | |
5764 | ||
77145576 | 5765 | *start_ptr = start; |
9f272209 | 5766 | *vstart_ptr = vstart; |
77145576 JK |
5767 | } |
5768 | ||
fab128ef CC |
5769 | /* Print a .debug_addr table index in decimal, surrounded by square brackets, |
5770 | right-adjusted in a field of length LEN, and followed by a space. */ | |
5771 | ||
5772 | static void | |
5773 | print_addr_index (unsigned int idx, unsigned int len) | |
5774 | { | |
5775 | static char buf[15]; | |
5776 | snprintf (buf, sizeof (buf), "[%d]", idx); | |
341f9135 | 5777 | printf ("%*s ", len, buf); |
fab128ef CC |
5778 | } |
5779 | ||
4723351a CC |
5780 | /* Display a location list from a .dwo section. It uses address indexes rather |
5781 | than embedded addresses. This code closely follows display_loc_list, but the | |
5782 | two are sufficiently different that combining things is very ugly. */ | |
5783 | ||
5784 | static void | |
5785 | display_loc_list_dwo (struct dwarf_section *section, | |
b4eb7656 AM |
5786 | unsigned char **start_ptr, |
5787 | unsigned int debug_info_entry, | |
359ca075 | 5788 | dwarf_vma offset, |
9f272209 | 5789 | unsigned char **vstart_ptr, |
b4eb7656 | 5790 | int has_frame_base) |
4723351a | 5791 | { |
9f272209 | 5792 | unsigned char *start = *start_ptr, *vstart = *vstart_ptr; |
4723351a | 5793 | unsigned char *section_end = section->start + section->size; |
82b1b41b NC |
5794 | unsigned long cu_offset; |
5795 | unsigned int pointer_size; | |
5796 | unsigned int offset_size; | |
5797 | int dwarf_version; | |
4723351a CC |
5798 | int entry_type; |
5799 | unsigned short length; | |
5800 | int need_frame_base; | |
fab128ef | 5801 | unsigned int idx; |
4723351a CC |
5802 | unsigned int bytes_read; |
5803 | ||
82b1b41b NC |
5804 | if (debug_info_entry >= num_debug_info_entries) |
5805 | { | |
5806 | warn (_("No debug information for loc lists of entry: %u\n"), | |
5807 | debug_info_entry); | |
5808 | return; | |
5809 | } | |
5810 | ||
5811 | cu_offset = debug_information [debug_info_entry].cu_offset; | |
5812 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
5813 | offset_size = debug_information [debug_info_entry].offset_size; | |
5814 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
5815 | ||
f41e4712 NC |
5816 | if (pointer_size < 2 || pointer_size > 8) |
5817 | { | |
5818 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
5819 | pointer_size, debug_info_entry); | |
5820 | return; | |
5821 | } | |
5822 | ||
4723351a CC |
5823 | while (1) |
5824 | { | |
359ca075 | 5825 | printf (" %8.8lx ", (unsigned long) (offset + (start - *start_ptr))); |
4723351a | 5826 | |
fab128ef | 5827 | if (start >= section_end) |
b4eb7656 AM |
5828 | { |
5829 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5830 | (unsigned long) offset); |
b4eb7656 AM |
5831 | break; |
5832 | } | |
4723351a | 5833 | |
0c588247 | 5834 | SAFE_BYTE_GET_AND_INC (entry_type, start, 1, section_end); |
9f272209 AO |
5835 | |
5836 | if (vstart) | |
5837 | switch (entry_type) | |
5838 | { | |
5839 | default: | |
5840 | break; | |
5841 | ||
5842 | case 2: | |
5843 | case 3: | |
5844 | case 4: | |
5845 | { | |
5846 | dwarf_vma view; | |
5847 | dwarf_vma off = offset + (vstart - *start_ptr); | |
5848 | ||
5849 | view = read_uleb128 (vstart, &bytes_read, section_end); | |
5850 | vstart += bytes_read; | |
5851 | print_dwarf_view (view, 8, 1); | |
5852 | ||
5853 | view = read_uleb128 (vstart, &bytes_read, section_end); | |
5854 | vstart += bytes_read; | |
5855 | print_dwarf_view (view, 8, 1); | |
5856 | ||
5857 | printf (_("views at %8.8lx for:\n %*s "), | |
5858 | (unsigned long) off, 8, ""); | |
5859 | ||
5860 | } | |
5861 | break; | |
5862 | } | |
5863 | ||
4723351a | 5864 | switch (entry_type) |
b4eb7656 AM |
5865 | { |
5866 | case 0: /* A terminating entry. */ | |
5867 | *start_ptr = start; | |
9f272209 | 5868 | *vstart_ptr = vstart; |
b4eb7656 AM |
5869 | printf (_("<End of list>\n")); |
5870 | return; | |
5871 | case 1: /* A base-address entry. */ | |
5872 | idx = read_uleb128 (start, &bytes_read, section_end); | |
5873 | start += bytes_read; | |
5874 | print_addr_index (idx, 8); | |
9f272209 | 5875 | printf ("%*s", 9 + (vstart ? 2 * 6 : 0), ""); |
b4eb7656 AM |
5876 | printf (_("(base address selection entry)\n")); |
5877 | continue; | |
5878 | case 2: /* A start/end entry. */ | |
5879 | idx = read_uleb128 (start, &bytes_read, section_end); | |
5880 | start += bytes_read; | |
5881 | print_addr_index (idx, 8); | |
5882 | idx = read_uleb128 (start, &bytes_read, section_end); | |
5883 | start += bytes_read; | |
5884 | print_addr_index (idx, 8); | |
5885 | break; | |
5886 | case 3: /* A start/length entry. */ | |
5887 | idx = read_uleb128 (start, &bytes_read, section_end); | |
5888 | start += bytes_read; | |
5889 | print_addr_index (idx, 8); | |
5890 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
5891 | printf ("%08x ", idx); | |
5892 | break; | |
5893 | case 4: /* An offset pair entry. */ | |
5894 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
5895 | printf ("%08x ", idx); | |
5896 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
5897 | printf ("%08x ", idx); | |
5898 | break; | |
5899 | default: | |
5900 | warn (_("Unknown location list entry type 0x%x.\n"), entry_type); | |
5901 | *start_ptr = start; | |
9f272209 | 5902 | *vstart_ptr = vstart; |
b4eb7656 AM |
5903 | return; |
5904 | } | |
4723351a CC |
5905 | |
5906 | if (start + 2 > section_end) | |
b4eb7656 AM |
5907 | { |
5908 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5909 | (unsigned long) offset); |
b4eb7656 AM |
5910 | break; |
5911 | } | |
4723351a | 5912 | |
0c588247 | 5913 | SAFE_BYTE_GET_AND_INC (length, start, 2, section_end); |
4723351a | 5914 | if (start + length > section_end) |
b4eb7656 AM |
5915 | { |
5916 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5917 | (unsigned long) offset); |
b4eb7656 AM |
5918 | break; |
5919 | } | |
4723351a CC |
5920 | |
5921 | putchar ('('); | |
5922 | need_frame_base = decode_location_expression (start, | |
b4eb7656 AM |
5923 | pointer_size, |
5924 | offset_size, | |
5925 | dwarf_version, | |
5926 | length, | |
5927 | cu_offset, section); | |
4723351a CC |
5928 | putchar (')'); |
5929 | ||
5930 | if (need_frame_base && !has_frame_base) | |
b4eb7656 | 5931 | printf (_(" [without DW_AT_frame_base]")); |
4723351a CC |
5932 | |
5933 | putchar ('\n'); | |
5934 | ||
5935 | start += length; | |
5936 | } | |
5937 | ||
5938 | *start_ptr = start; | |
9f272209 | 5939 | *vstart_ptr = vstart; |
4723351a CC |
5940 | } |
5941 | ||
9f272209 AO |
5942 | /* Sort array of indexes in ascending order of loc_offsets[idx] and |
5943 | loc_views. */ | |
51d0d03f | 5944 | |
9f272209 | 5945 | static dwarf_vma *loc_offsets, *loc_views; |
51d0d03f JJ |
5946 | |
5947 | static int | |
5948 | loc_offsets_compar (const void *ap, const void *bp) | |
5949 | { | |
5950 | dwarf_vma a = loc_offsets[*(const unsigned int *) ap]; | |
5951 | dwarf_vma b = loc_offsets[*(const unsigned int *) bp]; | |
5952 | ||
9f272209 AO |
5953 | int ret = (a > b) - (b > a); |
5954 | if (ret) | |
5955 | return ret; | |
5956 | ||
5957 | a = loc_views[*(const unsigned int *) ap]; | |
5958 | b = loc_views[*(const unsigned int *) bp]; | |
5959 | ||
5960 | ret = (a > b) - (b > a); | |
5961 | ||
5962 | return ret; | |
51d0d03f JJ |
5963 | } |
5964 | ||
19e6b90e L |
5965 | static int |
5966 | display_debug_loc (struct dwarf_section *section, void *file) | |
5967 | { | |
9f272209 | 5968 | unsigned char *start = section->start, *vstart = NULL; |
19e6b90e L |
5969 | unsigned long bytes; |
5970 | unsigned char *section_begin = start; | |
5971 | unsigned int num_loc_list = 0; | |
5972 | unsigned long last_offset = 0; | |
9f272209 | 5973 | unsigned long last_view = 0; |
19e6b90e L |
5974 | unsigned int first = 0; |
5975 | unsigned int i; | |
5976 | unsigned int j; | |
5977 | int seen_first_offset = 0; | |
51d0d03f | 5978 | int locs_sorted = 1; |
9f272209 | 5979 | unsigned char *next = start, *vnext = vstart; |
51d0d03f | 5980 | unsigned int *array = NULL; |
4723351a CC |
5981 | const char *suffix = strrchr (section->name, '.'); |
5982 | int is_dwo = 0; | |
77145576 JK |
5983 | int is_loclists = strstr (section->name, "debug_loclists") != NULL; |
5984 | dwarf_vma expected_start = 0; | |
4723351a CC |
5985 | |
5986 | if (suffix && strcmp (suffix, ".dwo") == 0) | |
5987 | is_dwo = 1; | |
19e6b90e L |
5988 | |
5989 | bytes = section->size; | |
19e6b90e L |
5990 | |
5991 | if (bytes == 0) | |
5992 | { | |
5993 | printf (_("\nThe %s section is empty.\n"), section->name); | |
5994 | return 0; | |
5995 | } | |
5996 | ||
77145576 JK |
5997 | if (is_loclists) |
5998 | { | |
5999 | unsigned char *hdrptr = section_begin; | |
6000 | dwarf_vma ll_length; | |
6001 | unsigned short ll_version; | |
6002 | unsigned char *end = section_begin + section->size; | |
6003 | unsigned char address_size, segment_selector_size; | |
6004 | uint32_t offset_entry_count; | |
6005 | ||
6006 | SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 4, end); | |
6007 | if (ll_length == 0xffffffff) | |
6008 | SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 8, end); | |
6009 | ||
6010 | SAFE_BYTE_GET_AND_INC (ll_version, hdrptr, 2, end); | |
6011 | if (ll_version != 5) | |
6012 | { | |
6013 | warn (_("The %s section contains corrupt or " | |
6014 | "unsupported version number: %d.\n"), | |
6015 | section->name, ll_version); | |
6016 | return 0; | |
6017 | } | |
6018 | ||
6019 | SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end); | |
6020 | ||
6021 | SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end); | |
6022 | if (segment_selector_size != 0) | |
6023 | { | |
6024 | warn (_("The %s section contains " | |
6025 | "unsupported segment selector size: %d.\n"), | |
6026 | section->name, segment_selector_size); | |
6027 | return 0; | |
6028 | } | |
6029 | ||
6030 | SAFE_BYTE_GET_AND_INC (offset_entry_count, hdrptr, 4, end); | |
6031 | if (offset_entry_count != 0) | |
6032 | { | |
6033 | warn (_("The %s section contains " | |
6034 | "unsupported offset entry count: %d.\n"), | |
6035 | section->name, offset_entry_count); | |
6036 | return 0; | |
6037 | } | |
6038 | ||
6039 | expected_start = hdrptr - section_begin; | |
6040 | } | |
6041 | ||
1febe64d NC |
6042 | if (load_debug_info (file) == 0) |
6043 | { | |
6044 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
6045 | section->name); | |
6046 | return 0; | |
6047 | } | |
19e6b90e L |
6048 | |
6049 | /* Check the order of location list in .debug_info section. If | |
6050 | offsets of location lists are in the ascending order, we can | |
6051 | use `debug_information' directly. */ | |
6052 | for (i = 0; i < num_debug_info_entries; i++) | |
6053 | { | |
6054 | unsigned int num; | |
6055 | ||
6056 | num = debug_information [i].num_loc_offsets; | |
51d0d03f JJ |
6057 | if (num > num_loc_list) |
6058 | num_loc_list = num; | |
19e6b90e L |
6059 | |
6060 | /* Check if we can use `debug_information' directly. */ | |
51d0d03f | 6061 | if (locs_sorted && num != 0) |
19e6b90e L |
6062 | { |
6063 | if (!seen_first_offset) | |
6064 | { | |
6065 | /* This is the first location list. */ | |
6066 | last_offset = debug_information [i].loc_offsets [0]; | |
9f272209 | 6067 | last_view = debug_information [i].loc_views [0]; |
19e6b90e L |
6068 | first = i; |
6069 | seen_first_offset = 1; | |
6070 | j = 1; | |
6071 | } | |
6072 | else | |
6073 | j = 0; | |
6074 | ||
6075 | for (; j < num; j++) | |
6076 | { | |
6077 | if (last_offset > | |
9f272209 AO |
6078 | debug_information [i].loc_offsets [j] |
6079 | || (last_offset == debug_information [i].loc_offsets [j] | |
6080 | && last_view > debug_information [i].loc_views [j])) | |
19e6b90e | 6081 | { |
51d0d03f | 6082 | locs_sorted = 0; |
19e6b90e L |
6083 | break; |
6084 | } | |
6085 | last_offset = debug_information [i].loc_offsets [j]; | |
9f272209 | 6086 | last_view = debug_information [i].loc_views [j]; |
19e6b90e L |
6087 | } |
6088 | } | |
6089 | } | |
6090 | ||
19e6b90e L |
6091 | if (!seen_first_offset) |
6092 | error (_("No location lists in .debug_info section!\n")); | |
6093 | ||
d4bfc77b | 6094 | if (debug_information [first].num_loc_offsets > 0 |
9f272209 AO |
6095 | && debug_information [first].loc_offsets [0] != expected_start |
6096 | && debug_information [first].loc_views [0] != expected_start) | |
47704ddf KT |
6097 | warn (_("Location lists in %s section start at 0x%s\n"), |
6098 | section->name, | |
6099 | dwarf_vmatoa ("x", debug_information [first].loc_offsets [0])); | |
19e6b90e | 6100 | |
51d0d03f JJ |
6101 | if (!locs_sorted) |
6102 | array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int)); | |
dda8d76d NC |
6103 | |
6104 | introduce (section, FALSE); | |
6105 | ||
d1c4b12b NC |
6106 | if (reloc_at (section, 0)) |
6107 | printf (_(" Warning: This section has relocations - addresses seen here may not be accurate.\n\n")); | |
dda8d76d | 6108 | |
d1c4b12b | 6109 | printf (_(" Offset Begin End Expression\n")); |
19e6b90e L |
6110 | |
6111 | seen_first_offset = 0; | |
6112 | for (i = first; i < num_debug_info_entries; i++) | |
6113 | { | |
9f272209 | 6114 | dwarf_vma offset, voffset; |
359ca075 | 6115 | dwarf_vma base_address; |
d1c4b12b | 6116 | unsigned int k; |
19e6b90e L |
6117 | int has_frame_base; |
6118 | ||
51d0d03f JJ |
6119 | if (!locs_sorted) |
6120 | { | |
6121 | for (k = 0; k < debug_information [i].num_loc_offsets; k++) | |
6122 | array[k] = k; | |
6123 | loc_offsets = debug_information [i].loc_offsets; | |
9f272209 | 6124 | loc_views = debug_information [i].loc_views; |
51d0d03f JJ |
6125 | qsort (array, debug_information [i].num_loc_offsets, |
6126 | sizeof (*array), loc_offsets_compar); | |
6127 | } | |
19e6b90e | 6128 | |
9f272209 | 6129 | int adjacent_view_loclists = 1; |
51d0d03f | 6130 | for (k = 0; k < debug_information [i].num_loc_offsets; k++) |
19e6b90e | 6131 | { |
51d0d03f JJ |
6132 | j = locs_sorted ? k : array[k]; |
6133 | if (k | |
9f272209 | 6134 | && (debug_information [i].loc_offsets [locs_sorted |
51d0d03f | 6135 | ? k - 1 : array [k - 1]] |
9f272209 AO |
6136 | == debug_information [i].loc_offsets [j]) |
6137 | && (debug_information [i].loc_views [locs_sorted | |
6138 | ? k - 1 : array [k - 1]] | |
6139 | == debug_information [i].loc_views [j])) | |
51d0d03f | 6140 | continue; |
19e6b90e | 6141 | has_frame_base = debug_information [i].have_frame_base [j]; |
d493b283 | 6142 | offset = debug_information [i].loc_offsets [j]; |
19e6b90e | 6143 | next = section_begin + offset; |
9f272209 AO |
6144 | voffset = debug_information [i].loc_views [j]; |
6145 | if (voffset != vm1) | |
6146 | vnext = section_begin + voffset; | |
6147 | else | |
6148 | vnext = NULL; | |
19e6b90e L |
6149 | base_address = debug_information [i].base_address; |
6150 | ||
9f272209 AO |
6151 | if (vnext && vnext < next) |
6152 | { | |
6153 | vstart = vnext; | |
6154 | display_view_pair_list (section, &vstart, i, next); | |
6155 | if (start == vnext) | |
6156 | start = vstart; | |
6157 | } | |
6158 | ||
6159 | if (!seen_first_offset || !adjacent_view_loclists) | |
19e6b90e L |
6160 | seen_first_offset = 1; |
6161 | else | |
6162 | { | |
6163 | if (start < next) | |
6164 | warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e | 6165 | (unsigned long) (start - section_begin), |
c8071705 | 6166 | (unsigned long) offset); |
19e6b90e L |
6167 | else if (start > next) |
6168 | warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e | 6169 | (unsigned long) (start - section_begin), |
c8071705 | 6170 | (unsigned long) offset); |
19e6b90e L |
6171 | } |
6172 | start = next; | |
9f272209 | 6173 | vstart = vnext; |
19e6b90e L |
6174 | |
6175 | if (offset >= bytes) | |
6176 | { | |
6177 | warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"), | |
359ca075 | 6178 | (unsigned long) offset); |
19e6b90e L |
6179 | continue; |
6180 | } | |
6181 | ||
9f272209 AO |
6182 | if (vnext && voffset >= bytes) |
6183 | { | |
6184 | warn (_("View Offset 0x%lx is bigger than .debug_loc section size.\n"), | |
6185 | (unsigned long) voffset); | |
6186 | continue; | |
6187 | } | |
6188 | ||
77145576 JK |
6189 | if (!is_loclists) |
6190 | { | |
6191 | if (is_dwo) | |
6192 | display_loc_list_dwo (section, &start, i, offset, | |
9f272209 | 6193 | &vstart, has_frame_base); |
77145576 JK |
6194 | else |
6195 | display_loc_list (section, &start, i, offset, base_address, | |
9f272209 | 6196 | &vstart, has_frame_base); |
77145576 | 6197 | } |
b4eb7656 | 6198 | else |
77145576 JK |
6199 | { |
6200 | if (is_dwo) | |
6201 | warn (_("DWO is not yet supported.\n")); | |
6202 | else | |
6203 | display_loclists_list (section, &start, i, offset, base_address, | |
9f272209 AO |
6204 | &vstart, has_frame_base); |
6205 | } | |
6206 | ||
6207 | /* FIXME: this arrangement is quite simplistic. Nothing | |
6208 | requires locview lists to be adjacent to corresponding | |
6209 | loclists, and a single loclist could be augmented by | |
6210 | different locview lists, and vice-versa, unlikely as it | |
6211 | is that it would make sense to do so. Hopefully we'll | |
6212 | have view pair support built into loclists before we ever | |
6213 | need to address all these possibilities. */ | |
6214 | if (adjacent_view_loclists && vnext | |
6215 | && vnext != start && vstart != next) | |
6216 | { | |
6217 | adjacent_view_loclists = 0; | |
6218 | warn (_("Hole and overlap detection requires adjacent view lists and loclists.\n")); | |
77145576 | 6219 | } |
9f272209 AO |
6220 | |
6221 | if (vnext && vnext == start) | |
6222 | display_view_pair_list (section, &start, i, vstart); | |
19e6b90e L |
6223 | } |
6224 | } | |
031cd65f | 6225 | |
4723351a | 6226 | if (start < section->start + section->size) |
d3a49aa8 AM |
6227 | warn (ngettext ("There is %ld unused byte at the end of section %s\n", |
6228 | "There are %ld unused bytes at the end of section %s\n", | |
6229 | (long) (section->start + section->size - start)), | |
4723351a | 6230 | (long) (section->start + section->size - start), section->name); |
98fb390a | 6231 | putchar ('\n'); |
51d0d03f | 6232 | free (array); |
19e6b90e L |
6233 | return 1; |
6234 | } | |
6235 | ||
6236 | static int | |
6237 | display_debug_str (struct dwarf_section *section, | |
6238 | void *file ATTRIBUTE_UNUSED) | |
6239 | { | |
6240 | unsigned char *start = section->start; | |
6241 | unsigned long bytes = section->size; | |
6242 | dwarf_vma addr = section->address; | |
6243 | ||
6244 | if (bytes == 0) | |
6245 | { | |
6246 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6247 | return 0; | |
6248 | } | |
6249 | ||
dda8d76d | 6250 | introduce (section, FALSE); |
19e6b90e L |
6251 | |
6252 | while (bytes) | |
6253 | { | |
6254 | int j; | |
6255 | int k; | |
6256 | int lbytes; | |
6257 | ||
6258 | lbytes = (bytes > 16 ? 16 : bytes); | |
6259 | ||
6260 | printf (" 0x%8.8lx ", (unsigned long) addr); | |
6261 | ||
6262 | for (j = 0; j < 16; j++) | |
6263 | { | |
6264 | if (j < lbytes) | |
6265 | printf ("%2.2x", start[j]); | |
6266 | else | |
6267 | printf (" "); | |
6268 | ||
6269 | if ((j & 3) == 3) | |
6270 | printf (" "); | |
6271 | } | |
6272 | ||
6273 | for (j = 0; j < lbytes; j++) | |
6274 | { | |
6275 | k = start[j]; | |
6276 | if (k >= ' ' && k < 0x80) | |
6277 | printf ("%c", k); | |
6278 | else | |
6279 | printf ("."); | |
6280 | } | |
6281 | ||
6282 | putchar ('\n'); | |
6283 | ||
6284 | start += lbytes; | |
6285 | addr += lbytes; | |
6286 | bytes -= lbytes; | |
6287 | } | |
6288 | ||
6289 | putchar ('\n'); | |
6290 | ||
6291 | return 1; | |
6292 | } | |
6293 | ||
19e6b90e L |
6294 | static int |
6295 | display_debug_info (struct dwarf_section *section, void *file) | |
6296 | { | |
d85bf2ba | 6297 | return process_debug_info (section, file, section->abbrev_sec, FALSE, FALSE); |
19e6b90e L |
6298 | } |
6299 | ||
2b6f5997 CC |
6300 | static int |
6301 | display_debug_types (struct dwarf_section *section, void *file) | |
6302 | { | |
d85bf2ba | 6303 | return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE); |
6f875884 TG |
6304 | } |
6305 | ||
6306 | static int | |
6307 | display_trace_info (struct dwarf_section *section, void *file) | |
6308 | { | |
d85bf2ba | 6309 | return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE); |
2b6f5997 | 6310 | } |
19e6b90e L |
6311 | |
6312 | static int | |
6313 | display_debug_aranges (struct dwarf_section *section, | |
6314 | void *file ATTRIBUTE_UNUSED) | |
6315 | { | |
6316 | unsigned char *start = section->start; | |
6317 | unsigned char *end = start + section->size; | |
6318 | ||
dda8d76d | 6319 | introduce (section, FALSE); |
19e6b90e | 6320 | |
6e3d6dc1 NC |
6321 | /* It does not matter if this load fails, |
6322 | we test for that later on. */ | |
6323 | load_debug_info (file); | |
6324 | ||
19e6b90e L |
6325 | while (start < end) |
6326 | { | |
6327 | unsigned char *hdrptr; | |
6328 | DWARF2_Internal_ARange arange; | |
91d6fa6a | 6329 | unsigned char *addr_ranges; |
2d9472a2 NC |
6330 | dwarf_vma length; |
6331 | dwarf_vma address; | |
e98fdf1a | 6332 | unsigned long sec_off; |
53b8873b | 6333 | unsigned char address_size; |
19e6b90e | 6334 | int excess; |
bf5117e3 NC |
6335 | unsigned int offset_size; |
6336 | unsigned int initial_length_size; | |
19e6b90e L |
6337 | |
6338 | hdrptr = start; | |
6339 | ||
0c588247 | 6340 | SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 4, end); |
19e6b90e L |
6341 | if (arange.ar_length == 0xffffffff) |
6342 | { | |
0c588247 | 6343 | SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 8, end); |
19e6b90e L |
6344 | offset_size = 8; |
6345 | initial_length_size = 12; | |
6346 | } | |
6347 | else | |
6348 | { | |
6349 | offset_size = 4; | |
6350 | initial_length_size = 4; | |
6351 | } | |
6352 | ||
e98fdf1a AM |
6353 | sec_off = hdrptr - section->start; |
6354 | if (sec_off + arange.ar_length < sec_off | |
6355 | || sec_off + arange.ar_length > section->size) | |
6356 | { | |
6357 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), | |
6358 | section->name, | |
6359 | sec_off - initial_length_size, | |
6360 | dwarf_vmatoa ("x", arange.ar_length)); | |
6361 | break; | |
6362 | } | |
6363 | ||
0c588247 NC |
6364 | SAFE_BYTE_GET_AND_INC (arange.ar_version, hdrptr, 2, end); |
6365 | SAFE_BYTE_GET_AND_INC (arange.ar_info_offset, hdrptr, offset_size, end); | |
19e6b90e | 6366 | |
6e3d6dc1 NC |
6367 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE |
6368 | && num_debug_info_entries > 0 | |
6369 | && find_debug_info_for_offset (arange.ar_info_offset) == NULL) | |
6370 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), | |
47704ddf | 6371 | (unsigned long) arange.ar_info_offset, section->name); |
6e3d6dc1 | 6372 | |
0c588247 NC |
6373 | SAFE_BYTE_GET_AND_INC (arange.ar_pointer_size, hdrptr, 1, end); |
6374 | SAFE_BYTE_GET_AND_INC (arange.ar_segment_size, hdrptr, 1, end); | |
19e6b90e L |
6375 | |
6376 | if (arange.ar_version != 2 && arange.ar_version != 3) | |
6377 | { | |
67f101ee NC |
6378 | /* PR 19872: A version number of 0 probably means that there is |
6379 | padding at the end of the .debug_aranges section. Gold puts | |
6380 | it there when performing an incremental link, for example. | |
6381 | So do not generate a warning in this case. */ | |
6382 | if (arange.ar_version) | |
6383 | warn (_("Only DWARF 2 and 3 aranges are currently supported.\n")); | |
19e6b90e L |
6384 | break; |
6385 | } | |
6386 | ||
47704ddf KT |
6387 | printf (_(" Length: %ld\n"), |
6388 | (long) arange.ar_length); | |
19e6b90e | 6389 | printf (_(" Version: %d\n"), arange.ar_version); |
47704ddf KT |
6390 | printf (_(" Offset into .debug_info: 0x%lx\n"), |
6391 | (unsigned long) arange.ar_info_offset); | |
19e6b90e L |
6392 | printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size); |
6393 | printf (_(" Segment Size: %d\n"), arange.ar_segment_size); | |
6394 | ||
53b8873b NC |
6395 | address_size = arange.ar_pointer_size + arange.ar_segment_size; |
6396 | ||
f41e4712 NC |
6397 | /* PR 17512: file: 001-108546-0.001:0.1. */ |
6398 | if (address_size == 0 || address_size > 8) | |
b3681d67 L |
6399 | { |
6400 | error (_("Invalid address size in %s section!\n"), | |
6401 | section->name); | |
6402 | break; | |
6403 | } | |
6404 | ||
53b8873b NC |
6405 | /* The DWARF spec does not require that the address size be a power |
6406 | of two, but we do. This will have to change if we ever encounter | |
6407 | an uneven architecture. */ | |
6408 | if ((address_size & (address_size - 1)) != 0) | |
6409 | { | |
6410 | warn (_("Pointer size + Segment size is not a power of two.\n")); | |
6411 | break; | |
6412 | } | |
cecf136e | 6413 | |
209c9a13 NC |
6414 | if (address_size > 4) |
6415 | printf (_("\n Address Length\n")); | |
6416 | else | |
6417 | printf (_("\n Address Length\n")); | |
19e6b90e | 6418 | |
91d6fa6a | 6419 | addr_ranges = hdrptr; |
19e6b90e | 6420 | |
53b8873b NC |
6421 | /* Must pad to an alignment boundary that is twice the address size. */ |
6422 | excess = (hdrptr - start) % (2 * address_size); | |
19e6b90e | 6423 | if (excess) |
91d6fa6a | 6424 | addr_ranges += (2 * address_size) - excess; |
19e6b90e | 6425 | |
e98fdf1a | 6426 | start += arange.ar_length + initial_length_size; |
1617e571 | 6427 | |
91d6fa6a | 6428 | while (addr_ranges + 2 * address_size <= start) |
19e6b90e | 6429 | { |
0c588247 NC |
6430 | SAFE_BYTE_GET_AND_INC (address, addr_ranges, address_size, end); |
6431 | SAFE_BYTE_GET_AND_INC (length, addr_ranges, address_size, end); | |
19e6b90e | 6432 | |
80c35038 | 6433 | printf (" "); |
2d9472a2 NC |
6434 | print_dwarf_vma (address, address_size); |
6435 | print_dwarf_vma (length, address_size); | |
6436 | putchar ('\n'); | |
19e6b90e | 6437 | } |
19e6b90e L |
6438 | } |
6439 | ||
6440 | printf ("\n"); | |
6441 | ||
6442 | return 1; | |
6443 | } | |
6444 | ||
4723351a CC |
6445 | /* Comparison function for qsort. */ |
6446 | static int | |
6447 | comp_addr_base (const void * v0, const void * v1) | |
6448 | { | |
6449 | debug_info * info0 = (debug_info *) v0; | |
6450 | debug_info * info1 = (debug_info *) v1; | |
6451 | return info0->addr_base - info1->addr_base; | |
6452 | } | |
6453 | ||
6454 | /* Display the debug_addr section. */ | |
6455 | static int | |
6456 | display_debug_addr (struct dwarf_section *section, | |
b4eb7656 | 6457 | void *file) |
4723351a CC |
6458 | { |
6459 | debug_info **debug_addr_info; | |
6460 | unsigned char *entry; | |
6461 | unsigned char *end; | |
6462 | unsigned int i; | |
6463 | unsigned int count; | |
6464 | ||
6465 | if (section->size == 0) | |
6466 | { | |
6467 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6468 | return 0; | |
6469 | } | |
6470 | ||
6471 | if (load_debug_info (file) == 0) | |
6472 | { | |
6473 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
6474 | section->name); | |
6475 | return 0; | |
6476 | } | |
6477 | ||
dda8d76d | 6478 | introduce (section, FALSE); |
4723351a | 6479 | |
1306a742 NC |
6480 | /* PR 17531: file: cf38d01b. |
6481 | We use xcalloc because a corrupt file may not have initialised all of the | |
6482 | fields in the debug_info structure, which means that the sort below might | |
6483 | try to move uninitialised data. */ | |
6484 | debug_addr_info = (debug_info **) xcalloc ((num_debug_info_entries + 1), | |
b4eb7656 | 6485 | sizeof (debug_info *)); |
4723351a CC |
6486 | |
6487 | count = 0; | |
6488 | for (i = 0; i < num_debug_info_entries; i++) | |
82b1b41b | 6489 | if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE) |
1306a742 NC |
6490 | { |
6491 | /* PR 17531: file: cf38d01b. */ | |
6492 | if (debug_information[i].addr_base >= section->size) | |
6493 | warn (_("Corrupt address base (%lx) found in debug section %u\n"), | |
6494 | (unsigned long) debug_information[i].addr_base, i); | |
6495 | else | |
6496 | debug_addr_info [count++] = debug_information + i; | |
6497 | } | |
4723351a CC |
6498 | |
6499 | /* Add a sentinel to make iteration convenient. */ | |
6500 | debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info)); | |
6501 | debug_addr_info [count]->addr_base = section->size; | |
4723351a | 6502 | qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base); |
1306a742 | 6503 | |
4723351a CC |
6504 | for (i = 0; i < count; i++) |
6505 | { | |
6506 | unsigned int idx; | |
fab128ef | 6507 | unsigned int address_size = debug_addr_info [i]->pointer_size; |
4723351a CC |
6508 | |
6509 | printf (_(" For compilation unit at offset 0x%s:\n"), | |
b4eb7656 | 6510 | dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset)); |
4723351a | 6511 | |
fab128ef | 6512 | printf (_("\tIndex\tAddress\n")); |
4723351a CC |
6513 | entry = section->start + debug_addr_info [i]->addr_base; |
6514 | end = section->start + debug_addr_info [i + 1]->addr_base; | |
6515 | idx = 0; | |
6516 | while (entry < end) | |
b4eb7656 AM |
6517 | { |
6518 | dwarf_vma base = byte_get (entry, address_size); | |
6519 | printf (_("\t%d:\t"), idx); | |
6520 | print_dwarf_vma (base, address_size); | |
6521 | printf ("\n"); | |
6522 | entry += address_size; | |
6523 | idx++; | |
6524 | } | |
4723351a CC |
6525 | } |
6526 | printf ("\n"); | |
6527 | ||
6528 | free (debug_addr_info); | |
6529 | return 1; | |
6530 | } | |
6531 | ||
6532 | /* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */ | |
6533 | static int | |
6534 | display_debug_str_offsets (struct dwarf_section *section, | |
b4eb7656 | 6535 | void *file ATTRIBUTE_UNUSED) |
4723351a CC |
6536 | { |
6537 | if (section->size == 0) | |
6538 | { | |
6539 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6540 | return 0; | |
6541 | } | |
6542 | /* TODO: Dump the contents. This is made somewhat difficult by not knowing | |
6543 | what the offset size is for this section. */ | |
6544 | return 1; | |
6545 | } | |
6546 | ||
01a8f077 JK |
6547 | /* Each debug_information[x].range_lists[y] gets this representation for |
6548 | sorting purposes. */ | |
6549 | ||
6550 | struct range_entry | |
467c65bc NC |
6551 | { |
6552 | /* The debug_information[x].range_lists[y] value. */ | |
359ca075 | 6553 | dwarf_vma ranges_offset; |
01a8f077 | 6554 | |
467c65bc NC |
6555 | /* Original debug_information to find parameters of the data. */ |
6556 | debug_info *debug_info_p; | |
6557 | }; | |
01a8f077 JK |
6558 | |
6559 | /* Sort struct range_entry in ascending order of its RANGES_OFFSET. */ | |
6560 | ||
6561 | static int | |
6562 | range_entry_compar (const void *ap, const void *bp) | |
6563 | { | |
3f5e193b NC |
6564 | const struct range_entry *a_re = (const struct range_entry *) ap; |
6565 | const struct range_entry *b_re = (const struct range_entry *) bp; | |
359ca075 JK |
6566 | const dwarf_vma a = a_re->ranges_offset; |
6567 | const dwarf_vma b = b_re->ranges_offset; | |
01a8f077 JK |
6568 | |
6569 | return (a > b) - (b > a); | |
6570 | } | |
6571 | ||
77145576 JK |
6572 | static void |
6573 | display_debug_ranges_list (unsigned char *start, unsigned char *finish, | |
6574 | unsigned int pointer_size, unsigned long offset, | |
6575 | unsigned long base_address) | |
6576 | { | |
6577 | while (start < finish) | |
6578 | { | |
6579 | dwarf_vma begin; | |
6580 | dwarf_vma end; | |
6581 | ||
6582 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
6583 | if (start >= finish) | |
6584 | break; | |
6585 | SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish); | |
6586 | ||
d11ae95e | 6587 | |
77145576 JK |
6588 | printf (" %8.8lx ", offset); |
6589 | ||
6590 | if (begin == 0 && end == 0) | |
6591 | { | |
6592 | printf (_("<End of list>\n")); | |
6593 | break; | |
6594 | } | |
6595 | ||
6596 | /* Check base address specifiers. */ | |
6597 | if (is_max_address (begin, pointer_size) | |
6598 | && !is_max_address (end, pointer_size)) | |
6599 | { | |
6600 | base_address = end; | |
6601 | print_dwarf_vma (begin, pointer_size); | |
6602 | print_dwarf_vma (end, pointer_size); | |
6603 | printf ("(base address)\n"); | |
6604 | continue; | |
6605 | } | |
6606 | ||
6607 | print_dwarf_vma (begin + base_address, pointer_size); | |
6608 | print_dwarf_vma (end + base_address, pointer_size); | |
6609 | ||
6610 | if (begin == end) | |
6611 | fputs (_("(start == end)"), stdout); | |
6612 | else if (begin > end) | |
6613 | fputs (_("(start > end)"), stdout); | |
6614 | ||
6615 | putchar ('\n'); | |
6616 | } | |
6617 | } | |
6618 | ||
6619 | static void | |
6620 | display_debug_rnglists_list (unsigned char *start, unsigned char *finish, | |
6621 | unsigned int pointer_size, unsigned long offset, | |
6622 | unsigned long base_address) | |
6623 | { | |
6624 | unsigned char *next = start; | |
6625 | ||
6626 | while (1) | |
6627 | { | |
6628 | unsigned long off = offset + (start - next); | |
6629 | enum dwarf_range_list_entry rlet; | |
9dfd0db9 JK |
6630 | /* Initialize it due to a false compiler warning. */ |
6631 | dwarf_vma begin = -1, length, end = -1; | |
77145576 JK |
6632 | unsigned int bytes_read; |
6633 | ||
6634 | if (start + 1 > finish) | |
6635 | { | |
6636 | warn (_("Range list starting at offset 0x%lx is not terminated.\n"), | |
6637 | offset); | |
6638 | break; | |
6639 | } | |
6640 | ||
6641 | printf (" %8.8lx ", off); | |
6642 | ||
6643 | SAFE_BYTE_GET_AND_INC (rlet, start, 1, finish); | |
6644 | ||
6645 | switch (rlet) | |
6646 | { | |
6647 | case DW_RLE_end_of_list: | |
6648 | printf (_("<End of list>\n")); | |
6649 | break; | |
6650 | case DW_RLE_base_address: | |
6651 | SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, finish); | |
6652 | print_dwarf_vma (base_address, pointer_size); | |
6653 | printf (_("(base address)\n")); | |
6654 | break; | |
6655 | case DW_RLE_start_length: | |
6656 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
6657 | length = read_uleb128 (start, &bytes_read, finish); | |
6658 | start += bytes_read; | |
6659 | end = begin + length; | |
6660 | break; | |
6661 | case DW_RLE_offset_pair: | |
6662 | begin = read_uleb128 (start, &bytes_read, finish); | |
6663 | start += bytes_read; | |
6664 | end = read_uleb128 (start, &bytes_read, finish); | |
6665 | start += bytes_read; | |
6666 | break; | |
6667 | case DW_RLE_start_end: | |
6668 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
6669 | SAFE_BYTE_GET_AND_INC (end, start, pointer_size, finish); | |
6670 | break; | |
6671 | default: | |
6672 | error (_("Invalid range list entry type %d\n"), rlet); | |
6673 | rlet = DW_RLE_end_of_list; | |
6674 | break; | |
6675 | } | |
6676 | if (rlet == DW_RLE_end_of_list) | |
6677 | break; | |
6678 | if (rlet == DW_RLE_base_address) | |
6679 | continue; | |
6680 | ||
6681 | print_dwarf_vma (begin + base_address, pointer_size); | |
6682 | print_dwarf_vma (end + base_address, pointer_size); | |
6683 | ||
6684 | if (begin == end) | |
6685 | fputs (_("(start == end)"), stdout); | |
6686 | else if (begin > end) | |
6687 | fputs (_("(start > end)"), stdout); | |
6688 | ||
6689 | putchar ('\n'); | |
6690 | } | |
6691 | } | |
6692 | ||
19e6b90e L |
6693 | static int |
6694 | display_debug_ranges (struct dwarf_section *section, | |
6695 | void *file ATTRIBUTE_UNUSED) | |
6696 | { | |
6697 | unsigned char *start = section->start; | |
a2ff7a4b | 6698 | unsigned char *last_start = start; |
f6f0e17b | 6699 | unsigned long bytes = section->size; |
19e6b90e | 6700 | unsigned char *section_begin = start; |
f6f0e17b | 6701 | unsigned char *finish = start + bytes; |
01a8f077 JK |
6702 | unsigned int num_range_list, i; |
6703 | struct range_entry *range_entries, *range_entry_fill; | |
77145576 JK |
6704 | int is_rnglists = strstr (section->name, "debug_rnglists") != NULL; |
6705 | /* Initialize it due to a false compiler warning. */ | |
6706 | unsigned char address_size = 0; | |
19e6b90e | 6707 | |
19e6b90e L |
6708 | if (bytes == 0) |
6709 | { | |
6710 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6711 | return 0; | |
6712 | } | |
6713 | ||
77145576 JK |
6714 | if (is_rnglists) |
6715 | { | |
6716 | dwarf_vma initial_length; | |
6717 | unsigned int initial_length_size; | |
6718 | unsigned char segment_selector_size; | |
6719 | unsigned int offset_size, offset_entry_count; | |
6720 | unsigned short version; | |
6721 | ||
6722 | /* Get and check the length of the block. */ | |
6723 | SAFE_BYTE_GET_AND_INC (initial_length, start, 4, finish); | |
6724 | ||
6725 | if (initial_length == 0xffffffff) | |
6726 | { | |
6727 | /* This section is 64-bit DWARF 3. */ | |
6728 | SAFE_BYTE_GET_AND_INC (initial_length, start, 8, finish); | |
6729 | offset_size = 8; | |
6730 | initial_length_size = 12; | |
6731 | } | |
6732 | else | |
6733 | { | |
6734 | offset_size = 4; | |
6735 | initial_length_size = 4; | |
6736 | } | |
6737 | ||
6738 | if (initial_length + initial_length_size > section->size) | |
6739 | { | |
6740 | /* If the length field has a relocation against it, then we should | |
6741 | not complain if it is inaccurate (and probably negative). | |
6742 | It is copied from .debug_line handling code. */ | |
6743 | if (reloc_at (section, (start - section->start) - offset_size)) | |
6744 | { | |
6745 | initial_length = (finish - start) - initial_length_size; | |
6746 | } | |
6747 | else | |
6748 | { | |
6749 | warn (_("The length field (0x%lx) in the debug_rnglists header is wrong - the section is too small\n"), | |
6750 | (long) initial_length); | |
6751 | return 0; | |
6752 | } | |
6753 | } | |
6754 | ||
6755 | /* Get and check the version number. */ | |
6756 | SAFE_BYTE_GET_AND_INC (version, start, 2, finish); | |
6757 | ||
6758 | if (version != 5) | |
6759 | { | |
6760 | warn (_("Only DWARF version 5 debug_rnglists info " | |
6761 | "is currently supported.\n")); | |
6762 | return 0; | |
6763 | } | |
6764 | ||
6765 | SAFE_BYTE_GET_AND_INC (address_size, start, 1, finish); | |
6766 | ||
6767 | SAFE_BYTE_GET_AND_INC (segment_selector_size, start, 1, finish); | |
6768 | if (segment_selector_size != 0) | |
6769 | { | |
6770 | warn (_("The %s section contains " | |
6771 | "unsupported segment selector size: %d.\n"), | |
6772 | section->name, segment_selector_size); | |
6773 | return 0; | |
6774 | } | |
6775 | ||
6776 | SAFE_BYTE_GET_AND_INC (offset_entry_count, start, 4, finish); | |
6777 | if (offset_entry_count != 0) | |
6778 | { | |
6779 | warn (_("The %s section contains " | |
6780 | "unsupported offset entry count: %u.\n"), | |
6781 | section->name, offset_entry_count); | |
6782 | return 0; | |
6783 | } | |
6784 | } | |
6785 | ||
1febe64d NC |
6786 | if (load_debug_info (file) == 0) |
6787 | { | |
6788 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
6789 | section->name); | |
6790 | return 0; | |
6791 | } | |
19e6b90e | 6792 | |
01a8f077 | 6793 | num_range_list = 0; |
19e6b90e | 6794 | for (i = 0; i < num_debug_info_entries; i++) |
01a8f077 | 6795 | num_range_list += debug_information [i].num_range_lists; |
19e6b90e | 6796 | |
01a8f077 | 6797 | if (num_range_list == 0) |
4723351a CC |
6798 | { |
6799 | /* This can happen when the file was compiled with -gsplit-debug | |
b4eb7656 | 6800 | which removes references to range lists from the primary .o file. */ |
4723351a CC |
6801 | printf (_("No range lists in .debug_info section.\n")); |
6802 | return 1; | |
6803 | } | |
19e6b90e | 6804 | |
3f5e193b NC |
6805 | range_entries = (struct range_entry *) |
6806 | xmalloc (sizeof (*range_entries) * num_range_list); | |
01a8f077 | 6807 | range_entry_fill = range_entries; |
19e6b90e | 6808 | |
01a8f077 JK |
6809 | for (i = 0; i < num_debug_info_entries; i++) |
6810 | { | |
6811 | debug_info *debug_info_p = &debug_information[i]; | |
6812 | unsigned int j; | |
6813 | ||
6814 | for (j = 0; j < debug_info_p->num_range_lists; j++) | |
6815 | { | |
6816 | range_entry_fill->ranges_offset = debug_info_p->range_lists[j]; | |
6817 | range_entry_fill->debug_info_p = debug_info_p; | |
6818 | range_entry_fill++; | |
19e6b90e L |
6819 | } |
6820 | } | |
6821 | ||
01a8f077 JK |
6822 | qsort (range_entries, num_range_list, sizeof (*range_entries), |
6823 | range_entry_compar); | |
19e6b90e | 6824 | |
d493b283 | 6825 | if (dwarf_check != 0 && range_entries[0].ranges_offset != 0) |
19e6b90e | 6826 | warn (_("Range lists in %s section start at 0x%lx\n"), |
359ca075 | 6827 | section->name, (unsigned long) range_entries[0].ranges_offset); |
19e6b90e | 6828 | |
dda8d76d NC |
6829 | introduce (section, FALSE); |
6830 | ||
19e6b90e L |
6831 | printf (_(" Offset Begin End\n")); |
6832 | ||
01a8f077 | 6833 | for (i = 0; i < num_range_list; i++) |
19e6b90e | 6834 | { |
01a8f077 JK |
6835 | struct range_entry *range_entry = &range_entries[i]; |
6836 | debug_info *debug_info_p = range_entry->debug_info_p; | |
19e6b90e | 6837 | unsigned int pointer_size; |
359ca075 | 6838 | dwarf_vma offset; |
01a8f077 | 6839 | unsigned char *next; |
359ca075 | 6840 | dwarf_vma base_address; |
19e6b90e | 6841 | |
77145576 | 6842 | pointer_size = (is_rnglists ? address_size : debug_info_p->pointer_size); |
d493b283 | 6843 | offset = range_entry->ranges_offset; |
01a8f077 JK |
6844 | next = section_begin + offset; |
6845 | base_address = debug_info_p->base_address; | |
cecf136e | 6846 | |
f41e4712 NC |
6847 | /* PR 17512: file: 001-101485-0.001:0.1. */ |
6848 | if (pointer_size < 2 || pointer_size > 8) | |
6849 | { | |
6850 | warn (_("Corrupt pointer size (%d) in debug entry at offset %8.8lx\n"), | |
359ca075 | 6851 | pointer_size, (unsigned long) offset); |
f41e4712 NC |
6852 | continue; |
6853 | } | |
b4eb7656 | 6854 | |
d11ae95e NC |
6855 | if (next < section_begin || next >= finish) |
6856 | { | |
6857 | warn (_("Corrupt offset (%#8.8lx) in range entry %u\n"), | |
6858 | (unsigned long) offset, i); | |
6859 | continue; | |
6860 | } | |
6861 | ||
4723351a | 6862 | if (dwarf_check != 0 && i > 0) |
19e6b90e | 6863 | { |
01a8f077 JK |
6864 | if (start < next) |
6865 | warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"), | |
6866 | (unsigned long) (start - section_begin), | |
6867 | (unsigned long) (next - section_begin), section->name); | |
6868 | else if (start > next) | |
a2ff7a4b AM |
6869 | { |
6870 | if (next == last_start) | |
6871 | continue; | |
6872 | warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"), | |
6873 | (unsigned long) (start - section_begin), | |
6874 | (unsigned long) (next - section_begin), section->name); | |
6875 | } | |
01a8f077 | 6876 | } |
d11ae95e | 6877 | |
01a8f077 | 6878 | start = next; |
a2ff7a4b | 6879 | last_start = next; |
19e6b90e | 6880 | |
77145576 JK |
6881 | (is_rnglists ? display_debug_rnglists_list : display_debug_ranges_list) |
6882 | (start, finish, pointer_size, offset, base_address); | |
19e6b90e L |
6883 | } |
6884 | putchar ('\n'); | |
01a8f077 JK |
6885 | |
6886 | free (range_entries); | |
6887 | ||
19e6b90e L |
6888 | return 1; |
6889 | } | |
6890 | ||
6891 | typedef struct Frame_Chunk | |
6892 | { | |
6893 | struct Frame_Chunk *next; | |
6894 | unsigned char *chunk_start; | |
a1165289 | 6895 | unsigned int ncols; |
19e6b90e L |
6896 | /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */ |
6897 | short int *col_type; | |
6898 | int *col_offset; | |
6899 | char *augmentation; | |
6900 | unsigned int code_factor; | |
6901 | int data_factor; | |
bf5117e3 NC |
6902 | dwarf_vma pc_begin; |
6903 | dwarf_vma pc_range; | |
32ef3000 | 6904 | unsigned int cfa_reg; |
c8071705 | 6905 | dwarf_vma cfa_offset; |
a1165289 | 6906 | unsigned int ra; |
19e6b90e L |
6907 | unsigned char fde_encoding; |
6908 | unsigned char cfa_exp; | |
604282a7 JJ |
6909 | unsigned char ptr_size; |
6910 | unsigned char segment_size; | |
19e6b90e L |
6911 | } |
6912 | Frame_Chunk; | |
6913 | ||
665ce1f6 L |
6914 | static const char *const *dwarf_regnames; |
6915 | static unsigned int dwarf_regnames_count; | |
6916 | ||
19e6b90e L |
6917 | /* A marker for a col_type that means this column was never referenced |
6918 | in the frame info. */ | |
6919 | #define DW_CFA_unreferenced (-1) | |
6920 | ||
a1165289 | 6921 | /* Return 0 if no more space is needed, 1 if more space is needed, |
665ce1f6 L |
6922 | -1 for invalid reg. */ |
6923 | ||
6924 | static int | |
6925 | frame_need_space (Frame_Chunk *fc, unsigned int reg) | |
19e6b90e | 6926 | { |
a1165289 | 6927 | unsigned int prev = fc->ncols; |
19e6b90e | 6928 | |
665ce1f6 L |
6929 | if (reg < (unsigned int) fc->ncols) |
6930 | return 0; | |
6931 | ||
6932 | if (dwarf_regnames_count | |
6933 | && reg > dwarf_regnames_count) | |
6934 | return -1; | |
19e6b90e L |
6935 | |
6936 | fc->ncols = reg + 1; | |
a1165289 NC |
6937 | /* PR 17512: file: 10450-2643-0.004. |
6938 | If reg == -1 then this can happen... */ | |
6939 | if (fc->ncols == 0) | |
6940 | return -1; | |
6941 | ||
06614111 NC |
6942 | /* PR 17512: file: 2844a11d. */ |
6943 | if (fc->ncols > 1024) | |
6944 | { | |
6945 | error (_("Unfeasibly large register number: %u\n"), reg); | |
6946 | fc->ncols = 0; | |
6947 | /* FIXME: 1024 is an arbitrary limit. Increase it if | |
6948 | we ever encounter a valid binary that exceeds it. */ | |
6949 | return -1; | |
6950 | } | |
6951 | ||
3f5e193b | 6952 | fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols, |
b4eb7656 | 6953 | sizeof (short int)); |
3f5e193b | 6954 | fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int)); |
b4eb7656 | 6955 | /* PR 17512: file:002-10025-0.005. */ |
041830e0 NC |
6956 | if (fc->col_type == NULL || fc->col_offset == NULL) |
6957 | { | |
6958 | error (_("Out of memory allocating %u columns in dwarf frame arrays\n"), | |
6959 | fc->ncols); | |
6960 | fc->ncols = 0; | |
6961 | return -1; | |
6962 | } | |
19e6b90e L |
6963 | |
6964 | while (prev < fc->ncols) | |
6965 | { | |
6966 | fc->col_type[prev] = DW_CFA_unreferenced; | |
6967 | fc->col_offset[prev] = 0; | |
6968 | prev++; | |
6969 | } | |
665ce1f6 | 6970 | return 1; |
19e6b90e L |
6971 | } |
6972 | ||
2dc4cec1 L |
6973 | static const char *const dwarf_regnames_i386[] = |
6974 | { | |
43234a1e L |
6975 | "eax", "ecx", "edx", "ebx", /* 0 - 3 */ |
6976 | "esp", "ebp", "esi", "edi", /* 4 - 7 */ | |
6977 | "eip", "eflags", NULL, /* 8 - 10 */ | |
6978 | "st0", "st1", "st2", "st3", /* 11 - 14 */ | |
6979 | "st4", "st5", "st6", "st7", /* 15 - 18 */ | |
6980 | NULL, NULL, /* 19 - 20 */ | |
6981 | "xmm0", "xmm1", "xmm2", "xmm3", /* 21 - 24 */ | |
6982 | "xmm4", "xmm5", "xmm6", "xmm7", /* 25 - 28 */ | |
6983 | "mm0", "mm1", "mm2", "mm3", /* 29 - 32 */ | |
6984 | "mm4", "mm5", "mm6", "mm7", /* 33 - 36 */ | |
6985 | "fcw", "fsw", "mxcsr", /* 37 - 39 */ | |
6986 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */ | |
6987 | "tr", "ldtr", /* 48 - 49 */ | |
6988 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */ | |
6989 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */ | |
6990 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */ | |
6991 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */ | |
6992 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */ | |
6993 | NULL, NULL, NULL, /* 90 - 92 */ | |
6994 | "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" /* 93 - 100 */ | |
2dc4cec1 L |
6995 | }; |
6996 | ||
3d875af5 L |
6997 | static const char *const dwarf_regnames_iamcu[] = |
6998 | { | |
6999 | "eax", "ecx", "edx", "ebx", /* 0 - 3 */ | |
7000 | "esp", "ebp", "esi", "edi", /* 4 - 7 */ | |
7001 | "eip", "eflags", NULL, /* 8 - 10 */ | |
7002 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 11 - 18 */ | |
7003 | NULL, NULL, /* 19 - 20 */ | |
7004 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 21 - 28 */ | |
7005 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 29 - 36 */ | |
7006 | NULL, NULL, NULL, /* 37 - 39 */ | |
7007 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */ | |
7008 | "tr", "ldtr", /* 48 - 49 */ | |
7009 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */ | |
7010 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */ | |
7011 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */ | |
7012 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */ | |
7013 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */ | |
7014 | NULL, NULL, NULL, /* 90 - 92 */ | |
7015 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL /* 93 - 100 */ | |
7016 | }; | |
7017 | ||
b129eb0e RH |
7018 | void |
7019 | init_dwarf_regnames_i386 (void) | |
7020 | { | |
7021 | dwarf_regnames = dwarf_regnames_i386; | |
7022 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386); | |
7023 | } | |
7024 | ||
3d875af5 L |
7025 | void |
7026 | init_dwarf_regnames_iamcu (void) | |
7027 | { | |
7028 | dwarf_regnames = dwarf_regnames_iamcu; | |
7029 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_iamcu); | |
7030 | } | |
7031 | ||
2dc4cec1 L |
7032 | static const char *const dwarf_regnames_x86_64[] = |
7033 | { | |
7034 | "rax", "rdx", "rcx", "rbx", | |
7035 | "rsi", "rdi", "rbp", "rsp", | |
7036 | "r8", "r9", "r10", "r11", | |
7037 | "r12", "r13", "r14", "r15", | |
7038 | "rip", | |
7039 | "xmm0", "xmm1", "xmm2", "xmm3", | |
7040 | "xmm4", "xmm5", "xmm6", "xmm7", | |
7041 | "xmm8", "xmm9", "xmm10", "xmm11", | |
7042 | "xmm12", "xmm13", "xmm14", "xmm15", | |
7043 | "st0", "st1", "st2", "st3", | |
7044 | "st4", "st5", "st6", "st7", | |
7045 | "mm0", "mm1", "mm2", "mm3", | |
7046 | "mm4", "mm5", "mm6", "mm7", | |
7047 | "rflags", | |
7048 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, | |
7049 | "fs.base", "gs.base", NULL, NULL, | |
7050 | "tr", "ldtr", | |
43234a1e L |
7051 | "mxcsr", "fcw", "fsw", |
7052 | "xmm16", "xmm17", "xmm18", "xmm19", | |
7053 | "xmm20", "xmm21", "xmm22", "xmm23", | |
7054 | "xmm24", "xmm25", "xmm26", "xmm27", | |
7055 | "xmm28", "xmm29", "xmm30", "xmm31", | |
7056 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 83 - 90 */ | |
7057 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 91 - 98 */ | |
7058 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 99 - 106 */ | |
7059 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 107 - 114 */ | |
7060 | NULL, NULL, NULL, /* 115 - 117 */ | |
7061 | "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" | |
2dc4cec1 L |
7062 | }; |
7063 | ||
b129eb0e RH |
7064 | void |
7065 | init_dwarf_regnames_x86_64 (void) | |
7066 | { | |
7067 | dwarf_regnames = dwarf_regnames_x86_64; | |
7068 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64); | |
7069 | } | |
7070 | ||
4ee22035 RH |
7071 | static const char *const dwarf_regnames_aarch64[] = |
7072 | { | |
b4eb7656 AM |
7073 | "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", |
7074 | "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", | |
4ee22035 RH |
7075 | "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23", |
7076 | "x24", "x25", "x26", "x27", "x28", "x29", "x30", "sp", | |
7077 | NULL, "elr", NULL, NULL, NULL, NULL, NULL, NULL, | |
7078 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7079 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7080 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
b4eb7656 AM |
7081 | "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", |
7082 | "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", | |
4ee22035 RH |
7083 | "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", |
7084 | "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", | |
7085 | }; | |
7086 | ||
7087 | void | |
7088 | init_dwarf_regnames_aarch64 (void) | |
7089 | { | |
7090 | dwarf_regnames = dwarf_regnames_aarch64; | |
7091 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_aarch64); | |
7092 | } | |
7093 | ||
d6bb17b0 AA |
7094 | static const char *const dwarf_regnames_s390[] = |
7095 | { | |
7096 | /* Avoid saying "r5 (r5)", so omit the names of r0-r15. */ | |
7097 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7098 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7099 | "f0", "f2", "f4", "f6", "f1", "f3", "f5", "f7", | |
7100 | "f8", "f10", "f12", "f14", "f9", "f11", "f13", "f15", | |
7101 | "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7", | |
7102 | "cr8", "cr9", "cr10", "cr11", "cr12", "cr13", "cr14", "cr15", | |
7103 | "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", | |
7104 | "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15", | |
7105 | "pswm", "pswa", | |
7106 | NULL, NULL, | |
7107 | "v16", "v18", "v20", "v22", "v17", "v19", "v21", "v23", | |
7108 | "v24", "v26", "v28", "v30", "v25", "v27", "v29", "v31", | |
7109 | }; | |
7110 | ||
7111 | void | |
7112 | init_dwarf_regnames_s390 (void) | |
7113 | { | |
7114 | dwarf_regnames = dwarf_regnames_s390; | |
7115 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_s390); | |
7116 | } | |
7117 | ||
5bb0830d AB |
7118 | static const char *const dwarf_regnames_riscv[] = |
7119 | { | |
7120 | "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", /* 0 - 7 */ | |
7121 | "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", /* 8 - 15 */ | |
7122 | "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", /* 16 - 23 */ | |
7123 | "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", /* 24 - 31 */ | |
7124 | "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", /* 32 - 39 */ | |
7125 | "fs0", "fs1", /* 40 - 41 */ | |
7126 | "fa0", "fa1", "fa2", "fa3", "fa4", "fa5", "fa6", "fa7", /* 42 - 49 */ | |
7127 | "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", "fs8", "fs9", /* 50 - 57 */ | |
7128 | "fs10", "fs11", /* 58 - 59 */ | |
7129 | "ft8", "ft9", "ft10", "ft11" /* 60 - 63 */ | |
7130 | }; | |
7131 | ||
7132 | void | |
7133 | init_dwarf_regnames_riscv (void) | |
7134 | { | |
7135 | dwarf_regnames = dwarf_regnames_riscv; | |
7136 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_riscv); | |
7137 | } | |
7138 | ||
2dc4cec1 L |
7139 | void |
7140 | init_dwarf_regnames (unsigned int e_machine) | |
7141 | { | |
7142 | switch (e_machine) | |
7143 | { | |
7144 | case EM_386: | |
b129eb0e | 7145 | init_dwarf_regnames_i386 (); |
2dc4cec1 L |
7146 | break; |
7147 | ||
3d875af5 L |
7148 | case EM_IAMCU: |
7149 | init_dwarf_regnames_iamcu (); | |
7150 | break; | |
7151 | ||
2dc4cec1 | 7152 | case EM_X86_64: |
7f502d6c | 7153 | case EM_L1OM: |
7a9068fe | 7154 | case EM_K1OM: |
b129eb0e | 7155 | init_dwarf_regnames_x86_64 (); |
2dc4cec1 L |
7156 | break; |
7157 | ||
4ee22035 RH |
7158 | case EM_AARCH64: |
7159 | init_dwarf_regnames_aarch64 (); | |
7160 | break; | |
7161 | ||
d6bb17b0 AA |
7162 | case EM_S390: |
7163 | init_dwarf_regnames_s390 (); | |
7164 | break; | |
7165 | ||
5bb0830d AB |
7166 | case EM_RISCV: |
7167 | init_dwarf_regnames_riscv (); | |
7168 | break; | |
7169 | ||
2dc4cec1 L |
7170 | default: |
7171 | break; | |
7172 | } | |
7173 | } | |
7174 | ||
7175 | static const char * | |
7176 | regname (unsigned int regno, int row) | |
7177 | { | |
7178 | static char reg[64]; | |
7f2c8a1d | 7179 | |
2dc4cec1 L |
7180 | if (dwarf_regnames |
7181 | && regno < dwarf_regnames_count | |
7182 | && dwarf_regnames [regno] != NULL) | |
7183 | { | |
7184 | if (row) | |
7185 | return dwarf_regnames [regno]; | |
7186 | snprintf (reg, sizeof (reg), "r%d (%s)", regno, | |
7187 | dwarf_regnames [regno]); | |
7188 | } | |
7189 | else | |
7190 | snprintf (reg, sizeof (reg), "r%d", regno); | |
7191 | return reg; | |
7192 | } | |
7193 | ||
19e6b90e | 7194 | static void |
a1165289 | 7195 | frame_display_row (Frame_Chunk *fc, int *need_col_headers, unsigned int *max_regs) |
19e6b90e | 7196 | { |
a1165289 | 7197 | unsigned int r; |
19e6b90e L |
7198 | char tmp[100]; |
7199 | ||
d8024a91 | 7200 | if (*max_regs != fc->ncols) |
19e6b90e L |
7201 | *max_regs = fc->ncols; |
7202 | ||
7203 | if (*need_col_headers) | |
7204 | { | |
91d6fa6a | 7205 | static const char *sloc = " LOC"; |
2dc4cec1 | 7206 | |
19e6b90e L |
7207 | *need_col_headers = 0; |
7208 | ||
91d6fa6a | 7209 | printf ("%-*s CFA ", eh_addr_size * 2, sloc); |
19e6b90e L |
7210 | |
7211 | for (r = 0; r < *max_regs; r++) | |
7212 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
7213 | { | |
7214 | if (r == fc->ra) | |
50751e18 | 7215 | printf ("ra "); |
19e6b90e | 7216 | else |
2dc4cec1 | 7217 | printf ("%-5s ", regname (r, 1)); |
19e6b90e L |
7218 | } |
7219 | ||
7220 | printf ("\n"); | |
7221 | } | |
7222 | ||
bf5117e3 | 7223 | print_dwarf_vma (fc->pc_begin, eh_addr_size); |
19e6b90e L |
7224 | if (fc->cfa_exp) |
7225 | strcpy (tmp, "exp"); | |
7226 | else | |
c8071705 | 7227 | sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), (int) fc->cfa_offset); |
19e6b90e L |
7228 | printf ("%-8s ", tmp); |
7229 | ||
7230 | for (r = 0; r < fc->ncols; r++) | |
7231 | { | |
7232 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
7233 | { | |
7234 | switch (fc->col_type[r]) | |
7235 | { | |
7236 | case DW_CFA_undefined: | |
7237 | strcpy (tmp, "u"); | |
7238 | break; | |
7239 | case DW_CFA_same_value: | |
7240 | strcpy (tmp, "s"); | |
7241 | break; | |
7242 | case DW_CFA_offset: | |
7243 | sprintf (tmp, "c%+d", fc->col_offset[r]); | |
7244 | break; | |
12eae2d3 JJ |
7245 | case DW_CFA_val_offset: |
7246 | sprintf (tmp, "v%+d", fc->col_offset[r]); | |
7247 | break; | |
19e6b90e | 7248 | case DW_CFA_register: |
2dc4cec1 | 7249 | sprintf (tmp, "%s", regname (fc->col_offset[r], 0)); |
19e6b90e L |
7250 | break; |
7251 | case DW_CFA_expression: | |
7252 | strcpy (tmp, "exp"); | |
7253 | break; | |
12eae2d3 JJ |
7254 | case DW_CFA_val_expression: |
7255 | strcpy (tmp, "vexp"); | |
7256 | break; | |
19e6b90e L |
7257 | default: |
7258 | strcpy (tmp, "n/a"); | |
7259 | break; | |
7260 | } | |
2dc4cec1 | 7261 | printf ("%-5s ", tmp); |
19e6b90e L |
7262 | } |
7263 | } | |
7264 | printf ("\n"); | |
7265 | } | |
7266 | ||
49727e46 | 7267 | #define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end) |
19e6b90e | 7268 | |
49727e46 AM |
7269 | static unsigned char * |
7270 | read_cie (unsigned char *start, unsigned char *end, | |
7271 | Frame_Chunk **p_cie, int *p_version, | |
bf59c5d5 | 7272 | bfd_size_type *p_aug_len, unsigned char **p_aug) |
49727e46 AM |
7273 | { |
7274 | int version; | |
7275 | Frame_Chunk *fc; | |
7276 | unsigned int length_return; | |
7277 | unsigned char *augmentation_data = NULL; | |
bf59c5d5 | 7278 | bfd_size_type augmentation_data_len = 0; |
49727e46 | 7279 | |
041830e0 | 7280 | * p_cie = NULL; |
f41e4712 NC |
7281 | /* PR 17512: file: 001-228113-0.004. */ |
7282 | if (start >= end) | |
7283 | return end; | |
7284 | ||
49727e46 AM |
7285 | fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
7286 | memset (fc, 0, sizeof (Frame_Chunk)); | |
7287 | ||
7288 | fc->col_type = (short int *) xmalloc (sizeof (short int)); | |
7289 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
7290 | ||
7291 | version = *start++; | |
7292 | ||
7293 | fc->augmentation = (char *) start; | |
f41e4712 NC |
7294 | /* PR 17512: file: 001-228113-0.004. |
7295 | Skip past augmentation name, but avoid running off the end of the data. */ | |
7296 | while (start < end) | |
7297 | if (* start ++ == '\0') | |
7298 | break; | |
7299 | if (start == end) | |
7300 | { | |
7301 | warn (_("No terminator for augmentation name\n")); | |
442a6ce8 | 7302 | goto fail; |
f41e4712 | 7303 | } |
49727e46 AM |
7304 | |
7305 | if (strcmp (fc->augmentation, "eh") == 0) | |
7306 | start += eh_addr_size; | |
7307 | ||
7308 | if (version >= 4) | |
7309 | { | |
7310 | GET (fc->ptr_size, 1); | |
77ef8654 NC |
7311 | if (fc->ptr_size < 1 || fc->ptr_size > 8) |
7312 | { | |
7313 | warn (_("Invalid pointer size (%d) in CIE data\n"), fc->ptr_size); | |
442a6ce8 | 7314 | goto fail; |
77ef8654 NC |
7315 | } |
7316 | ||
49727e46 | 7317 | GET (fc->segment_size, 1); |
77ef8654 NC |
7318 | /* PR 17512: file: e99d2804. */ |
7319 | if (fc->segment_size > 8 || fc->segment_size + fc->ptr_size > 8) | |
7320 | { | |
7321 | warn (_("Invalid segment size (%d) in CIE data\n"), fc->segment_size); | |
442a6ce8 | 7322 | goto fail; |
77ef8654 NC |
7323 | } |
7324 | ||
49727e46 AM |
7325 | eh_addr_size = fc->ptr_size; |
7326 | } | |
7327 | else | |
7328 | { | |
7329 | fc->ptr_size = eh_addr_size; | |
7330 | fc->segment_size = 0; | |
7331 | } | |
442a6ce8 | 7332 | |
7f2c8a1d NC |
7333 | READ_ULEB (fc->code_factor); |
7334 | READ_SLEB (fc->data_factor); | |
442a6ce8 | 7335 | |
49727e46 AM |
7336 | if (version == 1) |
7337 | { | |
7338 | GET (fc->ra, 1); | |
7339 | } | |
7340 | else | |
7341 | { | |
7f2c8a1d | 7342 | READ_ULEB (fc->ra); |
49727e46 AM |
7343 | } |
7344 | ||
7345 | if (fc->augmentation[0] == 'z') | |
7346 | { | |
7f2c8a1d | 7347 | READ_ULEB (augmentation_data_len); |
49727e46 | 7348 | augmentation_data = start; |
a1165289 | 7349 | /* PR 17512: file: 11042-2589-0.004. */ |
bf59c5d5 | 7350 | if (augmentation_data_len > (bfd_size_type) (end - start)) |
a1165289 | 7351 | { |
bf59c5d5 NC |
7352 | warn (_("Augmentation data too long: 0x%s, expected at most %#lx\n"), |
7353 | dwarf_vmatoa ("x", augmentation_data_len), | |
7354 | (unsigned long) (end - start)); | |
442a6ce8 | 7355 | goto fail; |
a1165289 | 7356 | } |
9c0f3d3f | 7357 | start += augmentation_data_len; |
49727e46 AM |
7358 | } |
7359 | ||
7360 | if (augmentation_data_len) | |
7361 | { | |
058037d3 NC |
7362 | unsigned char *p; |
7363 | unsigned char *q; | |
7364 | unsigned char *qend; | |
b4eb7656 | 7365 | |
49727e46 AM |
7366 | p = (unsigned char *) fc->augmentation + 1; |
7367 | q = augmentation_data; | |
058037d3 NC |
7368 | qend = q + augmentation_data_len; |
7369 | ||
9c0f3d3f | 7370 | while (p < end && q < qend) |
49727e46 AM |
7371 | { |
7372 | if (*p == 'L') | |
7373 | q++; | |
7374 | else if (*p == 'P') | |
7375 | q += 1 + size_of_encoded_value (*q); | |
7376 | else if (*p == 'R') | |
7377 | fc->fde_encoding = *q++; | |
7378 | else if (*p == 'S') | |
7379 | ; | |
7380 | else | |
7381 | break; | |
7382 | p++; | |
7383 | } | |
c361b9ac NC |
7384 | /* Note - it is OK if this loop terminates with q < qend. |
7385 | Padding may have been inserted to align the end of the CIE. */ | |
49727e46 AM |
7386 | } |
7387 | ||
7388 | *p_cie = fc; | |
7389 | if (p_version) | |
7390 | *p_version = version; | |
7391 | if (p_aug_len) | |
7392 | { | |
7393 | *p_aug_len = augmentation_data_len; | |
7394 | *p_aug = augmentation_data; | |
7395 | } | |
7396 | return start; | |
442a6ce8 NC |
7397 | |
7398 | fail: | |
7399 | free (fc->col_offset); | |
7400 | free (fc->col_type); | |
7401 | free (fc); | |
7402 | return end; | |
49727e46 AM |
7403 | } |
7404 | ||
d85bf2ba NC |
7405 | /* Prints out the contents on the DATA array formatted as unsigned bytes. |
7406 | If do_wide is not enabled, then formats the output to fit into 80 columns. | |
7407 | PRINTED contains the number of characters already written to the current | |
7408 | output line. */ | |
bf59c5d5 NC |
7409 | |
7410 | static void | |
d85bf2ba NC |
7411 | display_data (bfd_size_type printed, |
7412 | const unsigned char * data, | |
7413 | const bfd_size_type len) | |
bf59c5d5 | 7414 | { |
d85bf2ba NC |
7415 | if (do_wide || len < ((80 - printed) / 3)) |
7416 | for (printed = 0; printed < len; ++printed) | |
7417 | printf (" %02x", data[printed]); | |
bf59c5d5 NC |
7418 | else |
7419 | { | |
d85bf2ba | 7420 | for (printed = 0; printed < len; ++printed) |
bf59c5d5 | 7421 | { |
d85bf2ba | 7422 | if (printed % (80 / 3) == 0) |
bf59c5d5 | 7423 | putchar ('\n'); |
d85bf2ba | 7424 | printf (" %02x", data[printed]); |
bf59c5d5 NC |
7425 | } |
7426 | } | |
d85bf2ba NC |
7427 | } |
7428 | ||
7429 | /* Prints out the contents on the augmentation data array. | |
7430 | If do_wide is not enabled, then formats the output to fit into 80 columns. */ | |
7431 | ||
7432 | static void | |
7433 | display_augmentation_data (const unsigned char * data, const bfd_size_type len) | |
7434 | { | |
7435 | bfd_size_type i; | |
7436 | ||
7437 | i = printf (_(" Augmentation data: ")); | |
7438 | display_data (i, data, len); | |
bf59c5d5 NC |
7439 | } |
7440 | ||
19e6b90e L |
7441 | static int |
7442 | display_debug_frames (struct dwarf_section *section, | |
7443 | void *file ATTRIBUTE_UNUSED) | |
7444 | { | |
7445 | unsigned char *start = section->start; | |
7446 | unsigned char *end = start + section->size; | |
7447 | unsigned char *section_start = start; | |
3391569f NC |
7448 | Frame_Chunk *chunks = NULL, *forward_refs = NULL; |
7449 | Frame_Chunk *remembered_state = NULL; | |
19e6b90e | 7450 | Frame_Chunk *rs; |
3391569f | 7451 | bfd_boolean is_eh = strcmp (section->name, ".eh_frame") == 0; |
19e6b90e | 7452 | unsigned int length_return; |
a1165289 | 7453 | unsigned int max_regs = 0; |
665ce1f6 | 7454 | const char *bad_reg = _("bad register: "); |
77ef8654 | 7455 | unsigned int saved_eh_addr_size = eh_addr_size; |
19e6b90e | 7456 | |
dda8d76d | 7457 | introduce (section, FALSE); |
19e6b90e L |
7458 | |
7459 | while (start < end) | |
7460 | { | |
7461 | unsigned char *saved_start; | |
7462 | unsigned char *block_end; | |
bf5117e3 NC |
7463 | dwarf_vma length; |
7464 | dwarf_vma cie_id; | |
19e6b90e L |
7465 | Frame_Chunk *fc; |
7466 | Frame_Chunk *cie; | |
7467 | int need_col_headers = 1; | |
7468 | unsigned char *augmentation_data = NULL; | |
bf59c5d5 | 7469 | bfd_size_type augmentation_data_len = 0; |
bf5117e3 NC |
7470 | unsigned int encoded_ptr_size = saved_eh_addr_size; |
7471 | unsigned int offset_size; | |
7472 | unsigned int initial_length_size; | |
5b6312fd | 7473 | bfd_boolean all_nops; |
19e6b90e L |
7474 | |
7475 | saved_start = start; | |
19e6b90e | 7476 | |
0c588247 | 7477 | SAFE_BYTE_GET_AND_INC (length, start, 4, end); |
041830e0 | 7478 | |
19e6b90e L |
7479 | if (length == 0) |
7480 | { | |
7481 | printf ("\n%08lx ZERO terminator\n\n", | |
7482 | (unsigned long)(saved_start - section_start)); | |
6937bb54 NC |
7483 | /* Skip any zero terminators that directly follow. |
7484 | A corrupt section size could have loaded a whole | |
7485 | slew of zero filled memory bytes. eg | |
7486 | PR 17512: file: 070-19381-0.004. */ | |
7487 | while (start < end && * start == 0) | |
7488 | ++ start; | |
b758e50f | 7489 | continue; |
19e6b90e L |
7490 | } |
7491 | ||
7492 | if (length == 0xffffffff) | |
7493 | { | |
0c588247 | 7494 | SAFE_BYTE_GET_AND_INC (length, start, 8, end); |
19e6b90e L |
7495 | offset_size = 8; |
7496 | initial_length_size = 12; | |
7497 | } | |
7498 | else | |
7499 | { | |
7500 | offset_size = 4; | |
7501 | initial_length_size = 4; | |
7502 | } | |
7503 | ||
7504 | block_end = saved_start + length + initial_length_size; | |
041830e0 | 7505 | if (block_end > end || block_end < start) |
53b8873b | 7506 | { |
bf5117e3 NC |
7507 | warn ("Invalid length 0x%s in FDE at %#08lx\n", |
7508 | dwarf_vmatoa_1 (NULL, length, offset_size), | |
7509 | (unsigned long) (saved_start - section_start)); | |
53b8873b NC |
7510 | block_end = end; |
7511 | } | |
0c588247 NC |
7512 | |
7513 | SAFE_BYTE_GET_AND_INC (cie_id, start, offset_size, end); | |
19e6b90e | 7514 | |
846a11e4 NC |
7515 | if (is_eh ? (cie_id == 0) : ((offset_size == 4 && cie_id == DW_CIE_ID) |
7516 | || (offset_size == 8 && cie_id == DW64_CIE_ID))) | |
19e6b90e L |
7517 | { |
7518 | int version; | |
a1165289 | 7519 | unsigned int mreg; |
19e6b90e | 7520 | |
49727e46 AM |
7521 | start = read_cie (start, end, &cie, &version, |
7522 | &augmentation_data_len, &augmentation_data); | |
041830e0 NC |
7523 | /* PR 17512: file: 027-135133-0.005. */ |
7524 | if (cie == NULL) | |
7525 | break; | |
a1165289 | 7526 | |
49727e46 | 7527 | fc = cie; |
19e6b90e L |
7528 | fc->next = chunks; |
7529 | chunks = fc; | |
7530 | fc->chunk_start = saved_start; | |
a1165289 | 7531 | mreg = max_regs > 0 ? max_regs - 1 : 0; |
49727e46 AM |
7532 | if (mreg < fc->ra) |
7533 | mreg = fc->ra; | |
06614111 NC |
7534 | if (frame_need_space (fc, mreg) < 0) |
7535 | break; | |
49727e46 AM |
7536 | if (fc->fde_encoding) |
7537 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
19e6b90e | 7538 | |
bf5117e3 NC |
7539 | printf ("\n%08lx ", (unsigned long) (saved_start - section_start)); |
7540 | print_dwarf_vma (length, fc->ptr_size); | |
9c41109d | 7541 | print_dwarf_vma (cie_id, offset_size); |
bf5117e3 | 7542 | |
19e6b90e | 7543 | if (do_debug_frames_interp) |
bf5117e3 NC |
7544 | { |
7545 | printf ("CIE \"%s\" cf=%d df=%d ra=%d\n", fc->augmentation, | |
7546 | fc->code_factor, fc->data_factor, fc->ra); | |
7547 | } | |
19e6b90e L |
7548 | else |
7549 | { | |
bf5117e3 | 7550 | printf ("CIE\n"); |
19e6b90e L |
7551 | printf (" Version: %d\n", version); |
7552 | printf (" Augmentation: \"%s\"\n", fc->augmentation); | |
604282a7 JJ |
7553 | if (version >= 4) |
7554 | { | |
7555 | printf (" Pointer Size: %u\n", fc->ptr_size); | |
7556 | printf (" Segment Size: %u\n", fc->segment_size); | |
7557 | } | |
19e6b90e L |
7558 | printf (" Code alignment factor: %u\n", fc->code_factor); |
7559 | printf (" Data alignment factor: %d\n", fc->data_factor); | |
7560 | printf (" Return address column: %d\n", fc->ra); | |
7561 | ||
7562 | if (augmentation_data_len) | |
bf59c5d5 | 7563 | display_augmentation_data (augmentation_data, augmentation_data_len); |
a1165289 | 7564 | |
19e6b90e L |
7565 | putchar ('\n'); |
7566 | } | |
19e6b90e L |
7567 | } |
7568 | else | |
7569 | { | |
7570 | unsigned char *look_for; | |
7571 | static Frame_Chunk fde_fc; | |
604282a7 | 7572 | unsigned long segment_selector; |
19e6b90e | 7573 | |
49727e46 AM |
7574 | if (is_eh) |
7575 | { | |
7576 | dwarf_vma sign = (dwarf_vma) 1 << (offset_size * 8 - 1); | |
7577 | look_for = start - 4 - ((cie_id ^ sign) - sign); | |
7578 | } | |
7579 | else | |
7580 | look_for = section_start + cie_id; | |
19e6b90e | 7581 | |
49727e46 AM |
7582 | if (look_for <= saved_start) |
7583 | { | |
7584 | for (cie = chunks; cie ; cie = cie->next) | |
7585 | if (cie->chunk_start == look_for) | |
7586 | break; | |
7587 | } | |
7588 | else | |
7589 | { | |
7590 | for (cie = forward_refs; cie ; cie = cie->next) | |
7591 | if (cie->chunk_start == look_for) | |
7592 | break; | |
7593 | if (!cie) | |
7594 | { | |
7595 | unsigned int off_size; | |
7596 | unsigned char *cie_scan; | |
19e6b90e | 7597 | |
49727e46 AM |
7598 | cie_scan = look_for; |
7599 | off_size = 4; | |
7600 | SAFE_BYTE_GET_AND_INC (length, cie_scan, 4, end); | |
7601 | if (length == 0xffffffff) | |
7602 | { | |
7603 | SAFE_BYTE_GET_AND_INC (length, cie_scan, 8, end); | |
7604 | off_size = 8; | |
7605 | } | |
7606 | if (length != 0) | |
7607 | { | |
7608 | dwarf_vma c_id; | |
7609 | ||
7610 | SAFE_BYTE_GET_AND_INC (c_id, cie_scan, off_size, end); | |
7611 | if (is_eh | |
7612 | ? c_id == 0 | |
7613 | : ((off_size == 4 && c_id == DW_CIE_ID) | |
7614 | || (off_size == 8 && c_id == DW64_CIE_ID))) | |
7615 | { | |
7616 | int version; | |
a1165289 | 7617 | unsigned int mreg; |
49727e46 AM |
7618 | |
7619 | read_cie (cie_scan, end, &cie, &version, | |
7620 | &augmentation_data_len, &augmentation_data); | |
a1165289 NC |
7621 | /* PR 17512: file: 3450-2098-0.004. */ |
7622 | if (cie == NULL) | |
7623 | { | |
7624 | warn (_("Failed to read CIE information\n")); | |
7625 | break; | |
7626 | } | |
49727e46 AM |
7627 | cie->next = forward_refs; |
7628 | forward_refs = cie; | |
7629 | cie->chunk_start = look_for; | |
a1165289 | 7630 | mreg = max_regs > 0 ? max_regs - 1 : 0; |
49727e46 AM |
7631 | if (mreg < cie->ra) |
7632 | mreg = cie->ra; | |
06614111 NC |
7633 | if (frame_need_space (cie, mreg) < 0) |
7634 | { | |
7635 | warn (_("Invalid max register\n")); | |
7636 | break; | |
7637 | } | |
49727e46 AM |
7638 | if (cie->fde_encoding) |
7639 | encoded_ptr_size | |
7640 | = size_of_encoded_value (cie->fde_encoding); | |
7641 | } | |
7642 | } | |
7643 | } | |
7644 | } | |
7645 | ||
7646 | fc = &fde_fc; | |
7647 | memset (fc, 0, sizeof (Frame_Chunk)); | |
19e6b90e L |
7648 | |
7649 | if (!cie) | |
7650 | { | |
bf5117e3 NC |
7651 | warn ("Invalid CIE pointer 0x%s in FDE at %#08lx\n", |
7652 | dwarf_vmatoa_1 (NULL, cie_id, offset_size), | |
7653 | (unsigned long) (saved_start - section_start)); | |
19e6b90e | 7654 | fc->ncols = 0; |
3f5e193b NC |
7655 | fc->col_type = (short int *) xmalloc (sizeof (short int)); |
7656 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
06614111 NC |
7657 | if (frame_need_space (fc, max_regs > 0 ? max_regs - 1 : 0) < 0) |
7658 | { | |
7659 | warn (_("Invalid max register\n")); | |
7660 | break; | |
7661 | } | |
19e6b90e L |
7662 | cie = fc; |
7663 | fc->augmentation = ""; | |
7664 | fc->fde_encoding = 0; | |
604282a7 JJ |
7665 | fc->ptr_size = eh_addr_size; |
7666 | fc->segment_size = 0; | |
19e6b90e L |
7667 | } |
7668 | else | |
7669 | { | |
7670 | fc->ncols = cie->ncols; | |
3f5e193b NC |
7671 | fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int)); |
7672 | fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int)); | |
19e6b90e L |
7673 | memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int)); |
7674 | memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int)); | |
7675 | fc->augmentation = cie->augmentation; | |
604282a7 JJ |
7676 | fc->ptr_size = cie->ptr_size; |
7677 | eh_addr_size = cie->ptr_size; | |
7678 | fc->segment_size = cie->segment_size; | |
19e6b90e L |
7679 | fc->code_factor = cie->code_factor; |
7680 | fc->data_factor = cie->data_factor; | |
7681 | fc->cfa_reg = cie->cfa_reg; | |
7682 | fc->cfa_offset = cie->cfa_offset; | |
7683 | fc->ra = cie->ra; | |
06614111 NC |
7684 | if (frame_need_space (fc, max_regs > 0 ? max_regs - 1: 0) < 0) |
7685 | { | |
7686 | warn (_("Invalid max register\n")); | |
7687 | break; | |
7688 | } | |
19e6b90e L |
7689 | fc->fde_encoding = cie->fde_encoding; |
7690 | } | |
7691 | ||
7692 | if (fc->fde_encoding) | |
7693 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
7694 | ||
604282a7 JJ |
7695 | segment_selector = 0; |
7696 | if (fc->segment_size) | |
c8071705 NC |
7697 | { |
7698 | if (fc->segment_size > sizeof (segment_selector)) | |
7699 | { | |
7700 | /* PR 17512: file: 9e196b3e. */ | |
7701 | warn (_("Probably corrupt segment size: %d - using 4 instead\n"), fc->segment_size); | |
7702 | fc->segment_size = 4; | |
7703 | } | |
7704 | SAFE_BYTE_GET_AND_INC (segment_selector, start, fc->segment_size, end); | |
7705 | } | |
041830e0 NC |
7706 | |
7707 | fc->pc_begin = get_encoded_value (&start, fc->fde_encoding, section, end); | |
19e6b90e | 7708 | |
0c588247 NC |
7709 | /* FIXME: It appears that sometimes the final pc_range value is |
7710 | encoded in less than encoded_ptr_size bytes. See the x86_64 | |
7711 | run of the "objcopy on compressed debug sections" test for an | |
7712 | example of this. */ | |
7713 | SAFE_BYTE_GET_AND_INC (fc->pc_range, start, encoded_ptr_size, end); | |
bf5117e3 | 7714 | |
19e6b90e L |
7715 | if (cie->augmentation[0] == 'z') |
7716 | { | |
7f2c8a1d | 7717 | READ_ULEB (augmentation_data_len); |
19e6b90e L |
7718 | augmentation_data = start; |
7719 | start += augmentation_data_len; | |
bf59c5d5 NC |
7720 | /* PR 17512 file: 722-8446-0.004 and PR 22386. */ |
7721 | if (start >= end | |
7722 | || ((bfd_signed_vma) augmentation_data_len) < 0 | |
7723 | || augmentation_data > start) | |
0a9d414a | 7724 | { |
bf59c5d5 NC |
7725 | warn (_("Corrupt augmentation data length: 0x%s\n"), |
7726 | dwarf_vmatoa ("x", augmentation_data_len)); | |
0a9d414a NC |
7727 | start = end; |
7728 | augmentation_data = NULL; | |
7729 | augmentation_data_len = 0; | |
7730 | } | |
19e6b90e L |
7731 | } |
7732 | ||
bf5117e3 NC |
7733 | printf ("\n%08lx %s %s FDE cie=%08lx pc=", |
7734 | (unsigned long)(saved_start - section_start), | |
7735 | dwarf_vmatoa_1 (NULL, length, fc->ptr_size), | |
9c41109d | 7736 | dwarf_vmatoa_1 (NULL, cie_id, offset_size), |
604282a7 | 7737 | (unsigned long)(cie->chunk_start - section_start)); |
bf5117e3 | 7738 | |
604282a7 JJ |
7739 | if (fc->segment_size) |
7740 | printf ("%04lx:", segment_selector); | |
bf5117e3 NC |
7741 | |
7742 | printf ("%s..%s\n", | |
7743 | dwarf_vmatoa_1 (NULL, fc->pc_begin, fc->ptr_size), | |
7744 | dwarf_vmatoa_1 (NULL, fc->pc_begin + fc->pc_range, fc->ptr_size)); | |
7745 | ||
19e6b90e L |
7746 | if (! do_debug_frames_interp && augmentation_data_len) |
7747 | { | |
bf59c5d5 | 7748 | display_augmentation_data (augmentation_data, augmentation_data_len); |
19e6b90e L |
7749 | putchar ('\n'); |
7750 | } | |
7751 | } | |
7752 | ||
7753 | /* At this point, fc is the current chunk, cie (if any) is set, and | |
7754 | we're about to interpret instructions for the chunk. */ | |
7755 | /* ??? At present we need to do this always, since this sizes the | |
7756 | fc->col_type and fc->col_offset arrays, which we write into always. | |
7757 | We should probably split the interpreted and non-interpreted bits | |
7758 | into two different routines, since there's so much that doesn't | |
7759 | really overlap between them. */ | |
7760 | if (1 || do_debug_frames_interp) | |
7761 | { | |
7762 | /* Start by making a pass over the chunk, allocating storage | |
7763 | and taking note of what registers are used. */ | |
7764 | unsigned char *tmp = start; | |
7765 | ||
7766 | while (start < block_end) | |
7767 | { | |
041830e0 NC |
7768 | unsigned int reg, op, opa; |
7769 | unsigned long temp; | |
5929c344 | 7770 | unsigned char * new_start; |
19e6b90e L |
7771 | |
7772 | op = *start++; | |
7773 | opa = op & 0x3f; | |
7774 | if (op & 0xc0) | |
7775 | op &= 0xc0; | |
7776 | ||
7777 | /* Warning: if you add any more cases to this switch, be | |
7778 | sure to add them to the corresponding switch below. */ | |
7779 | switch (op) | |
7780 | { | |
7781 | case DW_CFA_advance_loc: | |
7782 | break; | |
7783 | case DW_CFA_offset: | |
7f2c8a1d | 7784 | SKIP_ULEB (); |
665ce1f6 L |
7785 | if (frame_need_space (fc, opa) >= 0) |
7786 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
7787 | break; |
7788 | case DW_CFA_restore: | |
665ce1f6 L |
7789 | if (frame_need_space (fc, opa) >= 0) |
7790 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
7791 | break; |
7792 | case DW_CFA_set_loc: | |
7793 | start += encoded_ptr_size; | |
7794 | break; | |
7795 | case DW_CFA_advance_loc1: | |
7796 | start += 1; | |
7797 | break; | |
7798 | case DW_CFA_advance_loc2: | |
7799 | start += 2; | |
7800 | break; | |
7801 | case DW_CFA_advance_loc4: | |
7802 | start += 4; | |
7803 | break; | |
7804 | case DW_CFA_offset_extended: | |
12eae2d3 | 7805 | case DW_CFA_val_offset: |
7f2c8a1d NC |
7806 | READ_ULEB (reg); |
7807 | SKIP_ULEB (); | |
665ce1f6 L |
7808 | if (frame_need_space (fc, reg) >= 0) |
7809 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7810 | break; |
7811 | case DW_CFA_restore_extended: | |
7f2c8a1d | 7812 | READ_ULEB (reg); |
665ce1f6 L |
7813 | if (frame_need_space (fc, reg) >= 0) |
7814 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7815 | break; |
7816 | case DW_CFA_undefined: | |
7f2c8a1d | 7817 | READ_ULEB (reg); |
665ce1f6 L |
7818 | if (frame_need_space (fc, reg) >= 0) |
7819 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7820 | break; |
7821 | case DW_CFA_same_value: | |
7f2c8a1d | 7822 | READ_ULEB (reg); |
665ce1f6 L |
7823 | if (frame_need_space (fc, reg) >= 0) |
7824 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7825 | break; |
7826 | case DW_CFA_register: | |
7f2c8a1d NC |
7827 | READ_ULEB (reg); |
7828 | SKIP_ULEB (); | |
665ce1f6 L |
7829 | if (frame_need_space (fc, reg) >= 0) |
7830 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7831 | break; |
7832 | case DW_CFA_def_cfa: | |
7f2c8a1d NC |
7833 | SKIP_ULEB (); |
7834 | SKIP_ULEB (); | |
19e6b90e L |
7835 | break; |
7836 | case DW_CFA_def_cfa_register: | |
7f2c8a1d | 7837 | SKIP_ULEB (); |
19e6b90e L |
7838 | break; |
7839 | case DW_CFA_def_cfa_offset: | |
7f2c8a1d | 7840 | SKIP_ULEB (); |
19e6b90e L |
7841 | break; |
7842 | case DW_CFA_def_cfa_expression: | |
7f2c8a1d | 7843 | READ_ULEB (temp); |
5929c344 NC |
7844 | new_start = start + temp; |
7845 | if (new_start < start) | |
041830e0 NC |
7846 | { |
7847 | warn (_("Corrupt CFA_def expression value: %lu\n"), temp); | |
7848 | start = block_end; | |
7849 | } | |
7850 | else | |
5929c344 | 7851 | start = new_start; |
19e6b90e L |
7852 | break; |
7853 | case DW_CFA_expression: | |
12eae2d3 | 7854 | case DW_CFA_val_expression: |
7f2c8a1d NC |
7855 | READ_ULEB (reg); |
7856 | READ_ULEB (temp); | |
5929c344 NC |
7857 | new_start = start + temp; |
7858 | if (new_start < start) | |
041830e0 | 7859 | { |
b4eb7656 | 7860 | /* PR 17512: file:306-192417-0.005. */ |
041830e0 NC |
7861 | warn (_("Corrupt CFA expression value: %lu\n"), temp); |
7862 | start = block_end; | |
7863 | } | |
7864 | else | |
5929c344 | 7865 | start = new_start; |
665ce1f6 L |
7866 | if (frame_need_space (fc, reg) >= 0) |
7867 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7868 | break; |
7869 | case DW_CFA_offset_extended_sf: | |
12eae2d3 | 7870 | case DW_CFA_val_offset_sf: |
7f2c8a1d NC |
7871 | READ_ULEB (reg); |
7872 | SKIP_SLEB (); | |
665ce1f6 L |
7873 | if (frame_need_space (fc, reg) >= 0) |
7874 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
7875 | break; |
7876 | case DW_CFA_def_cfa_sf: | |
7f2c8a1d NC |
7877 | SKIP_ULEB (); |
7878 | SKIP_SLEB (); | |
19e6b90e L |
7879 | break; |
7880 | case DW_CFA_def_cfa_offset_sf: | |
7f2c8a1d | 7881 | SKIP_SLEB (); |
19e6b90e L |
7882 | break; |
7883 | case DW_CFA_MIPS_advance_loc8: | |
7884 | start += 8; | |
7885 | break; | |
7886 | case DW_CFA_GNU_args_size: | |
7f2c8a1d | 7887 | SKIP_ULEB (); |
19e6b90e L |
7888 | break; |
7889 | case DW_CFA_GNU_negative_offset_extended: | |
7f2c8a1d NC |
7890 | READ_ULEB (reg); |
7891 | SKIP_ULEB (); | |
665ce1f6 L |
7892 | if (frame_need_space (fc, reg) >= 0) |
7893 | fc->col_type[reg] = DW_CFA_undefined; | |
7894 | break; | |
19e6b90e L |
7895 | default: |
7896 | break; | |
7897 | } | |
7898 | } | |
7899 | start = tmp; | |
7900 | } | |
7901 | ||
5b6312fd NC |
7902 | all_nops = TRUE; |
7903 | ||
19e6b90e L |
7904 | /* Now we know what registers are used, make a second pass over |
7905 | the chunk, this time actually printing out the info. */ | |
7906 | ||
7907 | while (start < block_end) | |
7908 | { | |
362beea4 | 7909 | unsigned char * tmp; |
19e6b90e | 7910 | unsigned op, opa; |
7f2c8a1d NC |
7911 | unsigned long ul, roffs; |
7912 | /* Note: It is tempting to use an unsigned long for 'reg' but there | |
7913 | are various functions, notably frame_space_needed() that assume that | |
7914 | reg is an unsigned int. */ | |
7915 | unsigned int reg; | |
7916 | dwarf_signed_vma l; | |
bf5117e3 | 7917 | dwarf_vma ofs; |
19e6b90e | 7918 | dwarf_vma vma; |
665ce1f6 | 7919 | const char *reg_prefix = ""; |
19e6b90e L |
7920 | |
7921 | op = *start++; | |
7922 | opa = op & 0x3f; | |
7923 | if (op & 0xc0) | |
7924 | op &= 0xc0; | |
7925 | ||
5b6312fd NC |
7926 | /* Make a note if something other than DW_CFA_nop happens. */ |
7927 | if (op != DW_CFA_nop) | |
7928 | all_nops = FALSE; | |
7929 | ||
19e6b90e L |
7930 | /* Warning: if you add any more cases to this switch, be |
7931 | sure to add them to the corresponding switch above. */ | |
7932 | switch (op) | |
7933 | { | |
7934 | case DW_CFA_advance_loc: | |
7935 | if (do_debug_frames_interp) | |
7936 | frame_display_row (fc, &need_col_headers, &max_regs); | |
7937 | else | |
bf5117e3 | 7938 | printf (" DW_CFA_advance_loc: %d to %s\n", |
19e6b90e | 7939 | opa * fc->code_factor, |
b4eb7656 | 7940 | dwarf_vmatoa_1 (NULL, |
bf5117e3 NC |
7941 | fc->pc_begin + opa * fc->code_factor, |
7942 | fc->ptr_size)); | |
19e6b90e L |
7943 | fc->pc_begin += opa * fc->code_factor; |
7944 | break; | |
7945 | ||
7946 | case DW_CFA_offset: | |
7f2c8a1d | 7947 | READ_ULEB (roffs); |
665ce1f6 L |
7948 | if (opa >= (unsigned int) fc->ncols) |
7949 | reg_prefix = bad_reg; | |
7950 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
7951 | printf (" DW_CFA_offset: %s%s at cfa%+ld\n", | |
7952 | reg_prefix, regname (opa, 0), | |
7953 | roffs * fc->data_factor); | |
7954 | if (*reg_prefix == '\0') | |
7955 | { | |
7956 | fc->col_type[opa] = DW_CFA_offset; | |
7957 | fc->col_offset[opa] = roffs * fc->data_factor; | |
7958 | } | |
19e6b90e L |
7959 | break; |
7960 | ||
7961 | case DW_CFA_restore: | |
50751e18 | 7962 | if (opa >= (unsigned int) fc->ncols) |
665ce1f6 L |
7963 | reg_prefix = bad_reg; |
7964 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
7965 | printf (" DW_CFA_restore: %s%s\n", | |
7966 | reg_prefix, regname (opa, 0)); | |
50751e18 AK |
7967 | if (*reg_prefix != '\0') |
7968 | break; | |
7969 | ||
7970 | if (opa >= (unsigned int) cie->ncols | |
7971 | || (do_debug_frames_interp | |
7972 | && cie->col_type[opa] == DW_CFA_unreferenced)) | |
7973 | { | |
7974 | fc->col_type[opa] = DW_CFA_undefined; | |
7975 | fc->col_offset[opa] = 0; | |
7976 | } | |
7977 | else | |
665ce1f6 L |
7978 | { |
7979 | fc->col_type[opa] = cie->col_type[opa]; | |
7980 | fc->col_offset[opa] = cie->col_offset[opa]; | |
7981 | } | |
19e6b90e L |
7982 | break; |
7983 | ||
7984 | case DW_CFA_set_loc: | |
6937bb54 | 7985 | vma = get_encoded_value (&start, fc->fde_encoding, section, block_end); |
19e6b90e L |
7986 | if (do_debug_frames_interp) |
7987 | frame_display_row (fc, &need_col_headers, &max_regs); | |
7988 | else | |
bf5117e3 NC |
7989 | printf (" DW_CFA_set_loc: %s\n", |
7990 | dwarf_vmatoa_1 (NULL, vma, fc->ptr_size)); | |
19e6b90e L |
7991 | fc->pc_begin = vma; |
7992 | break; | |
7993 | ||
7994 | case DW_CFA_advance_loc1: | |
0c588247 | 7995 | SAFE_BYTE_GET_AND_INC (ofs, start, 1, end); |
19e6b90e L |
7996 | if (do_debug_frames_interp) |
7997 | frame_display_row (fc, &need_col_headers, &max_regs); | |
7998 | else | |
bf5117e3 NC |
7999 | printf (" DW_CFA_advance_loc1: %ld to %s\n", |
8000 | (unsigned long) (ofs * fc->code_factor), | |
8001 | dwarf_vmatoa_1 (NULL, | |
8002 | fc->pc_begin + ofs * fc->code_factor, | |
8003 | fc->ptr_size)); | |
19e6b90e L |
8004 | fc->pc_begin += ofs * fc->code_factor; |
8005 | break; | |
8006 | ||
8007 | case DW_CFA_advance_loc2: | |
6937bb54 | 8008 | SAFE_BYTE_GET_AND_INC (ofs, start, 2, block_end); |
19e6b90e L |
8009 | if (do_debug_frames_interp) |
8010 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8011 | else | |
bf5117e3 NC |
8012 | printf (" DW_CFA_advance_loc2: %ld to %s\n", |
8013 | (unsigned long) (ofs * fc->code_factor), | |
8014 | dwarf_vmatoa_1 (NULL, | |
8015 | fc->pc_begin + ofs * fc->code_factor, | |
8016 | fc->ptr_size)); | |
19e6b90e L |
8017 | fc->pc_begin += ofs * fc->code_factor; |
8018 | break; | |
8019 | ||
8020 | case DW_CFA_advance_loc4: | |
6937bb54 | 8021 | SAFE_BYTE_GET_AND_INC (ofs, start, 4, block_end); |
19e6b90e L |
8022 | if (do_debug_frames_interp) |
8023 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8024 | else | |
bf5117e3 NC |
8025 | printf (" DW_CFA_advance_loc4: %ld to %s\n", |
8026 | (unsigned long) (ofs * fc->code_factor), | |
8027 | dwarf_vmatoa_1 (NULL, | |
8028 | fc->pc_begin + ofs * fc->code_factor, | |
8029 | fc->ptr_size)); | |
19e6b90e L |
8030 | fc->pc_begin += ofs * fc->code_factor; |
8031 | break; | |
8032 | ||
8033 | case DW_CFA_offset_extended: | |
7f2c8a1d NC |
8034 | READ_ULEB (reg); |
8035 | READ_ULEB (roffs); | |
665ce1f6 L |
8036 | if (reg >= (unsigned int) fc->ncols) |
8037 | reg_prefix = bad_reg; | |
8038 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8039 | printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n", | |
8040 | reg_prefix, regname (reg, 0), | |
8041 | roffs * fc->data_factor); | |
8042 | if (*reg_prefix == '\0') | |
8043 | { | |
8044 | fc->col_type[reg] = DW_CFA_offset; | |
8045 | fc->col_offset[reg] = roffs * fc->data_factor; | |
8046 | } | |
19e6b90e L |
8047 | break; |
8048 | ||
12eae2d3 | 8049 | case DW_CFA_val_offset: |
7f2c8a1d NC |
8050 | READ_ULEB (reg); |
8051 | READ_ULEB (roffs); | |
665ce1f6 L |
8052 | if (reg >= (unsigned int) fc->ncols) |
8053 | reg_prefix = bad_reg; | |
8054 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
084303b8 | 8055 | printf (" DW_CFA_val_offset: %s%s is cfa%+ld\n", |
665ce1f6 L |
8056 | reg_prefix, regname (reg, 0), |
8057 | roffs * fc->data_factor); | |
8058 | if (*reg_prefix == '\0') | |
8059 | { | |
8060 | fc->col_type[reg] = DW_CFA_val_offset; | |
8061 | fc->col_offset[reg] = roffs * fc->data_factor; | |
8062 | } | |
12eae2d3 JJ |
8063 | break; |
8064 | ||
19e6b90e | 8065 | case DW_CFA_restore_extended: |
7f2c8a1d | 8066 | READ_ULEB (reg); |
50751e18 | 8067 | if (reg >= (unsigned int) fc->ncols) |
665ce1f6 L |
8068 | reg_prefix = bad_reg; |
8069 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8070 | printf (" DW_CFA_restore_extended: %s%s\n", | |
8071 | reg_prefix, regname (reg, 0)); | |
50751e18 AK |
8072 | if (*reg_prefix != '\0') |
8073 | break; | |
8074 | ||
8075 | if (reg >= (unsigned int) cie->ncols) | |
8076 | { | |
8077 | fc->col_type[reg] = DW_CFA_undefined; | |
8078 | fc->col_offset[reg] = 0; | |
8079 | } | |
8080 | else | |
665ce1f6 L |
8081 | { |
8082 | fc->col_type[reg] = cie->col_type[reg]; | |
8083 | fc->col_offset[reg] = cie->col_offset[reg]; | |
8084 | } | |
19e6b90e L |
8085 | break; |
8086 | ||
8087 | case DW_CFA_undefined: | |
7f2c8a1d | 8088 | READ_ULEB (reg); |
665ce1f6 L |
8089 | if (reg >= (unsigned int) fc->ncols) |
8090 | reg_prefix = bad_reg; | |
8091 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8092 | printf (" DW_CFA_undefined: %s%s\n", | |
8093 | reg_prefix, regname (reg, 0)); | |
8094 | if (*reg_prefix == '\0') | |
8095 | { | |
8096 | fc->col_type[reg] = DW_CFA_undefined; | |
8097 | fc->col_offset[reg] = 0; | |
8098 | } | |
19e6b90e L |
8099 | break; |
8100 | ||
8101 | case DW_CFA_same_value: | |
7f2c8a1d | 8102 | READ_ULEB (reg); |
665ce1f6 L |
8103 | if (reg >= (unsigned int) fc->ncols) |
8104 | reg_prefix = bad_reg; | |
8105 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8106 | printf (" DW_CFA_same_value: %s%s\n", | |
8107 | reg_prefix, regname (reg, 0)); | |
8108 | if (*reg_prefix == '\0') | |
8109 | { | |
8110 | fc->col_type[reg] = DW_CFA_same_value; | |
8111 | fc->col_offset[reg] = 0; | |
8112 | } | |
19e6b90e L |
8113 | break; |
8114 | ||
8115 | case DW_CFA_register: | |
7f2c8a1d NC |
8116 | READ_ULEB (reg); |
8117 | READ_ULEB (roffs); | |
665ce1f6 L |
8118 | if (reg >= (unsigned int) fc->ncols) |
8119 | reg_prefix = bad_reg; | |
8120 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
2dc4cec1 | 8121 | { |
665ce1f6 L |
8122 | printf (" DW_CFA_register: %s%s in ", |
8123 | reg_prefix, regname (reg, 0)); | |
2dc4cec1 L |
8124 | puts (regname (roffs, 0)); |
8125 | } | |
665ce1f6 L |
8126 | if (*reg_prefix == '\0') |
8127 | { | |
8128 | fc->col_type[reg] = DW_CFA_register; | |
8129 | fc->col_offset[reg] = roffs; | |
8130 | } | |
19e6b90e L |
8131 | break; |
8132 | ||
8133 | case DW_CFA_remember_state: | |
8134 | if (! do_debug_frames_interp) | |
8135 | printf (" DW_CFA_remember_state\n"); | |
3f5e193b | 8136 | rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
b4eb7656 | 8137 | rs->cfa_offset = fc->cfa_offset; |
d71ad7fc RC |
8138 | rs->cfa_reg = fc->cfa_reg; |
8139 | rs->ra = fc->ra; | |
8140 | rs->cfa_exp = fc->cfa_exp; | |
19e6b90e | 8141 | rs->ncols = fc->ncols; |
3f5e193b | 8142 | rs->col_type = (short int *) xcmalloc (rs->ncols, |
b4eb7656 | 8143 | sizeof (* rs->col_type)); |
d71ad7fc RC |
8144 | rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (* rs->col_offset)); |
8145 | memcpy (rs->col_type, fc->col_type, rs->ncols * sizeof (* fc->col_type)); | |
8146 | memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (* fc->col_offset)); | |
19e6b90e L |
8147 | rs->next = remembered_state; |
8148 | remembered_state = rs; | |
8149 | break; | |
8150 | ||
8151 | case DW_CFA_restore_state: | |
8152 | if (! do_debug_frames_interp) | |
8153 | printf (" DW_CFA_restore_state\n"); | |
8154 | rs = remembered_state; | |
8155 | if (rs) | |
8156 | { | |
8157 | remembered_state = rs->next; | |
d71ad7fc RC |
8158 | fc->cfa_offset = rs->cfa_offset; |
8159 | fc->cfa_reg = rs->cfa_reg; | |
b4eb7656 AM |
8160 | fc->ra = rs->ra; |
8161 | fc->cfa_exp = rs->cfa_exp; | |
06614111 NC |
8162 | if (frame_need_space (fc, rs->ncols - 1) < 0) |
8163 | { | |
1306a742 | 8164 | warn (_("Invalid column number in saved frame state\n")); |
06614111 NC |
8165 | fc->ncols = 0; |
8166 | break; | |
8167 | } | |
d71ad7fc | 8168 | memcpy (fc->col_type, rs->col_type, rs->ncols * sizeof (* rs->col_type)); |
19e6b90e | 8169 | memcpy (fc->col_offset, rs->col_offset, |
d71ad7fc | 8170 | rs->ncols * sizeof (* rs->col_offset)); |
19e6b90e L |
8171 | free (rs->col_type); |
8172 | free (rs->col_offset); | |
8173 | free (rs); | |
8174 | } | |
8175 | else if (do_debug_frames_interp) | |
8176 | printf ("Mismatched DW_CFA_restore_state\n"); | |
8177 | break; | |
8178 | ||
8179 | case DW_CFA_def_cfa: | |
32ef3000 | 8180 | READ_ULEB (fc->cfa_reg); |
7f2c8a1d | 8181 | READ_ULEB (fc->cfa_offset); |
19e6b90e L |
8182 | fc->cfa_exp = 0; |
8183 | if (! do_debug_frames_interp) | |
2dc4cec1 | 8184 | printf (" DW_CFA_def_cfa: %s ofs %d\n", |
c8071705 | 8185 | regname (fc->cfa_reg, 0), (int) fc->cfa_offset); |
19e6b90e L |
8186 | break; |
8187 | ||
8188 | case DW_CFA_def_cfa_register: | |
32ef3000 | 8189 | READ_ULEB (fc->cfa_reg); |
19e6b90e L |
8190 | fc->cfa_exp = 0; |
8191 | if (! do_debug_frames_interp) | |
2dc4cec1 L |
8192 | printf (" DW_CFA_def_cfa_register: %s\n", |
8193 | regname (fc->cfa_reg, 0)); | |
19e6b90e L |
8194 | break; |
8195 | ||
8196 | case DW_CFA_def_cfa_offset: | |
7f2c8a1d | 8197 | READ_ULEB (fc->cfa_offset); |
19e6b90e | 8198 | if (! do_debug_frames_interp) |
c8071705 | 8199 | printf (" DW_CFA_def_cfa_offset: %d\n", (int) fc->cfa_offset); |
19e6b90e L |
8200 | break; |
8201 | ||
8202 | case DW_CFA_nop: | |
8203 | if (! do_debug_frames_interp) | |
8204 | printf (" DW_CFA_nop\n"); | |
8205 | break; | |
8206 | ||
8207 | case DW_CFA_def_cfa_expression: | |
7f2c8a1d | 8208 | READ_ULEB (ul); |
7460c0ab | 8209 | if (start >= block_end || ul > (unsigned long) (block_end - start)) |
6937bb54 | 8210 | { |
a1165289 | 8211 | printf (_(" DW_CFA_def_cfa_expression: <corrupt len %lu>\n"), ul); |
6937bb54 NC |
8212 | break; |
8213 | } | |
19e6b90e L |
8214 | if (! do_debug_frames_interp) |
8215 | { | |
8216 | printf (" DW_CFA_def_cfa_expression ("); | |
b7807392 JJ |
8217 | decode_location_expression (start, eh_addr_size, 0, -1, |
8218 | ul, 0, section); | |
19e6b90e L |
8219 | printf (")\n"); |
8220 | } | |
8221 | fc->cfa_exp = 1; | |
8222 | start += ul; | |
8223 | break; | |
8224 | ||
8225 | case DW_CFA_expression: | |
7f2c8a1d NC |
8226 | READ_ULEB (reg); |
8227 | READ_ULEB (ul); | |
665ce1f6 L |
8228 | if (reg >= (unsigned int) fc->ncols) |
8229 | reg_prefix = bad_reg; | |
6937bb54 | 8230 | /* PR 17512: file: 069-133014-0.006. */ |
06614111 | 8231 | /* PR 17512: file: 98c02eb4. */ |
362beea4 NC |
8232 | tmp = start + ul; |
8233 | if (start >= block_end || tmp > block_end || tmp < start) | |
6937bb54 | 8234 | { |
a1165289 | 8235 | printf (_(" DW_CFA_expression: <corrupt len %lu>\n"), ul); |
6937bb54 NC |
8236 | break; |
8237 | } | |
665ce1f6 | 8238 | if (! do_debug_frames_interp || *reg_prefix != '\0') |
19e6b90e | 8239 | { |
665ce1f6 L |
8240 | printf (" DW_CFA_expression: %s%s (", |
8241 | reg_prefix, regname (reg, 0)); | |
b7807392 | 8242 | decode_location_expression (start, eh_addr_size, 0, -1, |
f1c4cc75 | 8243 | ul, 0, section); |
19e6b90e L |
8244 | printf (")\n"); |
8245 | } | |
665ce1f6 L |
8246 | if (*reg_prefix == '\0') |
8247 | fc->col_type[reg] = DW_CFA_expression; | |
362beea4 | 8248 | start = tmp; |
19e6b90e L |
8249 | break; |
8250 | ||
12eae2d3 | 8251 | case DW_CFA_val_expression: |
7f2c8a1d NC |
8252 | READ_ULEB (reg); |
8253 | READ_ULEB (ul); | |
665ce1f6 L |
8254 | if (reg >= (unsigned int) fc->ncols) |
8255 | reg_prefix = bad_reg; | |
362beea4 NC |
8256 | tmp = start + ul; |
8257 | if (start >= block_end || tmp > block_end || tmp < start) | |
6937bb54 | 8258 | { |
a1165289 | 8259 | printf (" DW_CFA_val_expression: <corrupt len %lu>\n", ul); |
6937bb54 NC |
8260 | break; |
8261 | } | |
665ce1f6 | 8262 | if (! do_debug_frames_interp || *reg_prefix != '\0') |
12eae2d3 | 8263 | { |
665ce1f6 L |
8264 | printf (" DW_CFA_val_expression: %s%s (", |
8265 | reg_prefix, regname (reg, 0)); | |
b7807392 JJ |
8266 | decode_location_expression (start, eh_addr_size, 0, -1, |
8267 | ul, 0, section); | |
12eae2d3 JJ |
8268 | printf (")\n"); |
8269 | } | |
665ce1f6 L |
8270 | if (*reg_prefix == '\0') |
8271 | fc->col_type[reg] = DW_CFA_val_expression; | |
362beea4 | 8272 | start = tmp; |
12eae2d3 JJ |
8273 | break; |
8274 | ||
19e6b90e | 8275 | case DW_CFA_offset_extended_sf: |
7f2c8a1d NC |
8276 | READ_ULEB (reg); |
8277 | READ_SLEB (l); | |
665ce1f6 L |
8278 | if (frame_need_space (fc, reg) < 0) |
8279 | reg_prefix = bad_reg; | |
8280 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8281 | printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n", | |
8282 | reg_prefix, regname (reg, 0), | |
c8071705 | 8283 | (long)(l * fc->data_factor)); |
665ce1f6 L |
8284 | if (*reg_prefix == '\0') |
8285 | { | |
8286 | fc->col_type[reg] = DW_CFA_offset; | |
8287 | fc->col_offset[reg] = l * fc->data_factor; | |
8288 | } | |
19e6b90e L |
8289 | break; |
8290 | ||
12eae2d3 | 8291 | case DW_CFA_val_offset_sf: |
7f2c8a1d NC |
8292 | READ_ULEB (reg); |
8293 | READ_SLEB (l); | |
665ce1f6 L |
8294 | if (frame_need_space (fc, reg) < 0) |
8295 | reg_prefix = bad_reg; | |
8296 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
084303b8 | 8297 | printf (" DW_CFA_val_offset_sf: %s%s is cfa%+ld\n", |
665ce1f6 | 8298 | reg_prefix, regname (reg, 0), |
c8071705 | 8299 | (long)(l * fc->data_factor)); |
665ce1f6 L |
8300 | if (*reg_prefix == '\0') |
8301 | { | |
8302 | fc->col_type[reg] = DW_CFA_val_offset; | |
8303 | fc->col_offset[reg] = l * fc->data_factor; | |
8304 | } | |
12eae2d3 JJ |
8305 | break; |
8306 | ||
19e6b90e | 8307 | case DW_CFA_def_cfa_sf: |
32ef3000 | 8308 | READ_ULEB (fc->cfa_reg); |
7f2c8a1d | 8309 | READ_ULEB (fc->cfa_offset); |
19e6b90e L |
8310 | fc->cfa_offset = fc->cfa_offset * fc->data_factor; |
8311 | fc->cfa_exp = 0; | |
8312 | if (! do_debug_frames_interp) | |
2dc4cec1 | 8313 | printf (" DW_CFA_def_cfa_sf: %s ofs %d\n", |
c8071705 | 8314 | regname (fc->cfa_reg, 0), (int) fc->cfa_offset); |
19e6b90e L |
8315 | break; |
8316 | ||
8317 | case DW_CFA_def_cfa_offset_sf: | |
7f2c8a1d | 8318 | READ_ULEB (fc->cfa_offset); |
c8071705 | 8319 | fc->cfa_offset *= fc->data_factor; |
19e6b90e | 8320 | if (! do_debug_frames_interp) |
c8071705 | 8321 | printf (" DW_CFA_def_cfa_offset_sf: %d\n", (int) fc->cfa_offset); |
19e6b90e L |
8322 | break; |
8323 | ||
8324 | case DW_CFA_MIPS_advance_loc8: | |
6937bb54 | 8325 | SAFE_BYTE_GET_AND_INC (ofs, start, 8, block_end); |
19e6b90e L |
8326 | if (do_debug_frames_interp) |
8327 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8328 | else | |
bf5117e3 NC |
8329 | printf (" DW_CFA_MIPS_advance_loc8: %ld to %s\n", |
8330 | (unsigned long) (ofs * fc->code_factor), | |
8331 | dwarf_vmatoa_1 (NULL, | |
8332 | fc->pc_begin + ofs * fc->code_factor, | |
8333 | fc->ptr_size)); | |
19e6b90e L |
8334 | fc->pc_begin += ofs * fc->code_factor; |
8335 | break; | |
8336 | ||
8337 | case DW_CFA_GNU_window_save: | |
8338 | if (! do_debug_frames_interp) | |
8339 | printf (" DW_CFA_GNU_window_save\n"); | |
8340 | break; | |
8341 | ||
8342 | case DW_CFA_GNU_args_size: | |
7f2c8a1d | 8343 | READ_ULEB (ul); |
19e6b90e L |
8344 | if (! do_debug_frames_interp) |
8345 | printf (" DW_CFA_GNU_args_size: %ld\n", ul); | |
8346 | break; | |
8347 | ||
8348 | case DW_CFA_GNU_negative_offset_extended: | |
7f2c8a1d NC |
8349 | READ_ULEB (reg); |
8350 | READ_SLEB (l); | |
8351 | l = - l; | |
665ce1f6 L |
8352 | if (frame_need_space (fc, reg) < 0) |
8353 | reg_prefix = bad_reg; | |
8354 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8355 | printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n", | |
8356 | reg_prefix, regname (reg, 0), | |
c8071705 | 8357 | (long)(l * fc->data_factor)); |
665ce1f6 L |
8358 | if (*reg_prefix == '\0') |
8359 | { | |
8360 | fc->col_type[reg] = DW_CFA_offset; | |
8361 | fc->col_offset[reg] = l * fc->data_factor; | |
8362 | } | |
19e6b90e L |
8363 | break; |
8364 | ||
8365 | default: | |
53b8873b NC |
8366 | if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user) |
8367 | printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op); | |
8368 | else | |
f41e4712 | 8369 | warn (_("Unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op); |
19e6b90e L |
8370 | start = block_end; |
8371 | } | |
8372 | } | |
8373 | ||
5b6312fd NC |
8374 | /* Interpret the CFA - as long as it is not completely full of NOPs. */ |
8375 | if (do_debug_frames_interp && ! all_nops) | |
19e6b90e L |
8376 | frame_display_row (fc, &need_col_headers, &max_regs); |
8377 | ||
8378 | start = block_end; | |
604282a7 | 8379 | eh_addr_size = saved_eh_addr_size; |
19e6b90e L |
8380 | } |
8381 | ||
8382 | printf ("\n"); | |
8383 | ||
3391569f NC |
8384 | while (remembered_state != NULL) |
8385 | { | |
8386 | rs = remembered_state; | |
8387 | remembered_state = rs->next; | |
8388 | free (rs->col_type); | |
8389 | free (rs->col_offset); | |
8390 | rs->next = NULL; /* Paranoia. */ | |
8391 | free (rs); | |
8392 | } | |
8393 | ||
8394 | while (chunks != NULL) | |
8395 | { | |
8396 | rs = chunks; | |
8397 | chunks = rs->next; | |
8398 | free (rs->col_type); | |
8399 | free (rs->col_offset); | |
8400 | rs->next = NULL; /* Paranoia. */ | |
8401 | free (rs); | |
8402 | } | |
8403 | ||
8404 | while (forward_refs != NULL) | |
8405 | { | |
8406 | rs = forward_refs; | |
8407 | forward_refs = rs->next; | |
8408 | free (rs->col_type); | |
8409 | free (rs->col_offset); | |
8410 | rs->next = NULL; /* Paranoia. */ | |
8411 | free (rs); | |
8412 | } | |
8413 | ||
19e6b90e L |
8414 | return 1; |
8415 | } | |
8416 | ||
8417 | #undef GET | |
19e6b90e | 8418 | |
61364358 JK |
8419 | static int |
8420 | display_debug_names (struct dwarf_section *section, void *file) | |
8421 | { | |
8422 | unsigned char *hdrptr = section->start; | |
8423 | dwarf_vma unit_length; | |
8424 | unsigned char *unit_start; | |
8425 | const unsigned char *const section_end = section->start + section->size; | |
8426 | unsigned char *unit_end; | |
8427 | ||
dda8d76d | 8428 | introduce (section, FALSE); |
61364358 | 8429 | |
dda8d76d | 8430 | load_debug_section_with_follow (str, file); |
61364358 JK |
8431 | |
8432 | for (; hdrptr < section_end; hdrptr = unit_end) | |
8433 | { | |
8434 | unsigned int offset_size; | |
8435 | uint16_t dwarf_version, padding; | |
8436 | uint32_t comp_unit_count, local_type_unit_count, foreign_type_unit_count; | |
8437 | uint32_t bucket_count, name_count, abbrev_table_size; | |
8438 | uint32_t augmentation_string_size; | |
8439 | unsigned int i; | |
e98fdf1a | 8440 | unsigned long sec_off; |
61364358 JK |
8441 | |
8442 | unit_start = hdrptr; | |
8443 | ||
8444 | /* Get and check the length of the block. */ | |
8445 | SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 4, section_end); | |
8446 | ||
8447 | if (unit_length == 0xffffffff) | |
8448 | { | |
8449 | /* This section is 64-bit DWARF. */ | |
8450 | SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 8, section_end); | |
8451 | offset_size = 8; | |
8452 | } | |
8453 | else | |
8454 | offset_size = 4; | |
8455 | unit_end = hdrptr + unit_length; | |
8456 | ||
e98fdf1a AM |
8457 | sec_off = hdrptr - section->start; |
8458 | if (sec_off + unit_length < sec_off | |
8459 | || sec_off + unit_length > section->size) | |
61364358 | 8460 | { |
e98fdf1a AM |
8461 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), |
8462 | section->name, | |
8463 | (unsigned long) (unit_start - section->start), | |
8464 | dwarf_vmatoa ("x", unit_length)); | |
61364358 JK |
8465 | return 0; |
8466 | } | |
8467 | ||
8468 | /* Get and check the version number. */ | |
8469 | SAFE_BYTE_GET_AND_INC (dwarf_version, hdrptr, 2, unit_end); | |
8470 | printf (_("Version %ld\n"), (long) dwarf_version); | |
8471 | ||
8472 | /* Prior versions did not exist, and future versions may not be | |
8473 | backwards compatible. */ | |
8474 | if (dwarf_version != 5) | |
8475 | { | |
8476 | warn (_("Only DWARF version 5 .debug_names " | |
8477 | "is currently supported.\n")); | |
8478 | return 0; | |
8479 | } | |
8480 | ||
8481 | SAFE_BYTE_GET_AND_INC (padding, hdrptr, 2, unit_end); | |
8482 | if (padding != 0) | |
8483 | warn (_("Padding field of .debug_names must be 0 (found 0x%x)\n"), | |
8484 | padding); | |
8485 | ||
8486 | SAFE_BYTE_GET_AND_INC (comp_unit_count, hdrptr, 4, unit_end); | |
8487 | if (comp_unit_count == 0) | |
8488 | warn (_("Compilation unit count must be >= 1 in .debug_names\n")); | |
8489 | ||
8490 | SAFE_BYTE_GET_AND_INC (local_type_unit_count, hdrptr, 4, unit_end); | |
8491 | SAFE_BYTE_GET_AND_INC (foreign_type_unit_count, hdrptr, 4, unit_end); | |
8492 | SAFE_BYTE_GET_AND_INC (bucket_count, hdrptr, 4, unit_end); | |
8493 | SAFE_BYTE_GET_AND_INC (name_count, hdrptr, 4, unit_end); | |
8494 | SAFE_BYTE_GET_AND_INC (abbrev_table_size, hdrptr, 4, unit_end); | |
8495 | ||
8496 | SAFE_BYTE_GET_AND_INC (augmentation_string_size, hdrptr, 4, unit_end); | |
8497 | if (augmentation_string_size % 4 != 0) | |
8498 | { | |
8499 | warn (_("Augmentation string length %u must be rounded up " | |
8500 | "to a multiple of 4 in .debug_names.\n"), | |
8501 | augmentation_string_size); | |
8502 | augmentation_string_size += (-augmentation_string_size) & 3; | |
8503 | } | |
8504 | printf (_("Augmentation string:")); | |
8505 | for (i = 0; i < augmentation_string_size; i++) | |
8506 | { | |
8507 | unsigned char uc; | |
8508 | ||
8509 | SAFE_BYTE_GET_AND_INC (uc, hdrptr, 1, unit_end); | |
8510 | printf (" %02x", uc); | |
8511 | } | |
8512 | putchar ('\n'); | |
8513 | putchar ('\n'); | |
8514 | ||
8515 | printf (_("CU table:\n")); | |
8516 | for (i = 0; i < comp_unit_count; i++) | |
8517 | { | |
8518 | uint64_t cu_offset; | |
8519 | ||
8520 | SAFE_BYTE_GET_AND_INC (cu_offset, hdrptr, offset_size, unit_end); | |
8521 | printf (_("[%3u] 0x%lx\n"), i, (unsigned long) cu_offset); | |
8522 | } | |
8523 | putchar ('\n'); | |
8524 | ||
8525 | printf (_("TU table:\n")); | |
8526 | for (i = 0; i < local_type_unit_count; i++) | |
8527 | { | |
8528 | uint64_t tu_offset; | |
8529 | ||
8530 | SAFE_BYTE_GET_AND_INC (tu_offset, hdrptr, offset_size, unit_end); | |
8531 | printf (_("[%3u] 0x%lx\n"), i, (unsigned long) tu_offset); | |
8532 | } | |
8533 | putchar ('\n'); | |
8534 | ||
8535 | printf (_("Foreign TU table:\n")); | |
8536 | for (i = 0; i < foreign_type_unit_count; i++) | |
8537 | { | |
8538 | uint64_t signature; | |
8539 | ||
8540 | SAFE_BYTE_GET_AND_INC (signature, hdrptr, 8, unit_end); | |
8541 | printf (_("[%3u] "), i); | |
8542 | print_dwarf_vma (signature, 8); | |
8543 | putchar ('\n'); | |
8544 | } | |
8545 | putchar ('\n'); | |
8546 | ||
8547 | const uint32_t *const hash_table_buckets = (uint32_t *) hdrptr; | |
8548 | hdrptr += bucket_count * sizeof (uint32_t); | |
8549 | const uint32_t *const hash_table_hashes = (uint32_t *) hdrptr; | |
8550 | hdrptr += name_count * sizeof (uint32_t); | |
8551 | unsigned char *const name_table_string_offsets = hdrptr; | |
8552 | hdrptr += name_count * offset_size; | |
8553 | unsigned char *const name_table_entry_offsets = hdrptr; | |
8554 | hdrptr += name_count * offset_size; | |
8555 | unsigned char *const abbrev_table = hdrptr; | |
8556 | hdrptr += abbrev_table_size; | |
8557 | const unsigned char *const abbrev_table_end = hdrptr; | |
8558 | unsigned char *const entry_pool = hdrptr; | |
8559 | if (hdrptr > unit_end) | |
8560 | { | |
8561 | warn (_("Entry pool offset (0x%lx) exceeds unit size 0x%lx " | |
8562 | "for unit 0x%lx in the debug_names\n"), | |
8563 | (long) (hdrptr - section->start), | |
8564 | (long) (unit_end - section->start), | |
8565 | (long) (unit_start - section->start)); | |
8566 | return 0; | |
8567 | } | |
8568 | ||
8569 | size_t buckets_filled = 0; | |
8570 | size_t bucketi; | |
8571 | for (bucketi = 0; bucketi < bucket_count; bucketi++) | |
8572 | { | |
8573 | const uint32_t bucket = hash_table_buckets[bucketi]; | |
8574 | ||
8575 | if (bucket != 0) | |
8576 | ++buckets_filled; | |
8577 | } | |
d3a49aa8 AM |
8578 | printf (ngettext ("Used %zu of %lu bucket.\n", |
8579 | "Used %zu of %lu buckets.\n", | |
8580 | bucket_count), | |
8581 | buckets_filled, (unsigned long) bucket_count); | |
61364358 | 8582 | |
0a79bef4 | 8583 | uint32_t hash_prev = 0; |
61364358 JK |
8584 | size_t hash_clash_count = 0; |
8585 | size_t longest_clash = 0; | |
8586 | size_t this_length = 0; | |
8587 | size_t hashi; | |
8588 | for (hashi = 0; hashi < name_count; hashi++) | |
8589 | { | |
8590 | const uint32_t hash_this = hash_table_hashes[hashi]; | |
8591 | ||
8592 | if (hashi > 0) | |
8593 | { | |
8594 | if (hash_prev % bucket_count == hash_this % bucket_count) | |
8595 | { | |
8596 | ++hash_clash_count; | |
8597 | ++this_length; | |
8598 | longest_clash = MAX (longest_clash, this_length); | |
8599 | } | |
8600 | else | |
8601 | this_length = 0; | |
8602 | } | |
8603 | hash_prev = hash_this; | |
8604 | } | |
8605 | printf (_("Out of %lu items there are %zu bucket clashes" | |
8606 | " (longest of %zu entries).\n"), | |
8607 | (unsigned long) name_count, hash_clash_count, longest_clash); | |
8608 | assert (name_count == buckets_filled + hash_clash_count); | |
8609 | ||
8610 | struct abbrev_lookup_entry | |
8611 | { | |
8612 | dwarf_vma abbrev_tag; | |
8613 | unsigned char *abbrev_lookup_ptr; | |
8614 | }; | |
8615 | struct abbrev_lookup_entry *abbrev_lookup = NULL; | |
8616 | size_t abbrev_lookup_used = 0; | |
8617 | size_t abbrev_lookup_allocated = 0; | |
8618 | ||
8619 | unsigned char *abbrevptr = abbrev_table; | |
8620 | for (;;) | |
8621 | { | |
8622 | unsigned int bytes_read; | |
8623 | const dwarf_vma abbrev_tag = read_uleb128 (abbrevptr, &bytes_read, | |
8624 | abbrev_table_end); | |
8625 | abbrevptr += bytes_read; | |
8626 | if (abbrev_tag == 0) | |
8627 | break; | |
8628 | if (abbrev_lookup_used == abbrev_lookup_allocated) | |
8629 | { | |
8630 | abbrev_lookup_allocated = MAX (0x100, | |
8631 | abbrev_lookup_allocated * 2); | |
8632 | abbrev_lookup = xrealloc (abbrev_lookup, | |
8633 | (abbrev_lookup_allocated | |
8634 | * sizeof (*abbrev_lookup))); | |
8635 | } | |
8636 | assert (abbrev_lookup_used < abbrev_lookup_allocated); | |
8637 | struct abbrev_lookup_entry *entry; | |
8638 | for (entry = abbrev_lookup; | |
8639 | entry < abbrev_lookup + abbrev_lookup_used; | |
8640 | entry++) | |
8641 | if (entry->abbrev_tag == abbrev_tag) | |
8642 | { | |
8643 | warn (_("Duplicate abbreviation tag %lu " | |
8644 | "in unit 0x%lx in the debug_names\n"), | |
8645 | (long) abbrev_tag, (long) (unit_start - section->start)); | |
8646 | break; | |
8647 | } | |
8648 | entry = &abbrev_lookup[abbrev_lookup_used++]; | |
8649 | entry->abbrev_tag = abbrev_tag; | |
8650 | entry->abbrev_lookup_ptr = abbrevptr; | |
8651 | ||
8652 | /* Skip DWARF tag. */ | |
8653 | read_uleb128 (abbrevptr, &bytes_read, abbrev_table_end); | |
8654 | abbrevptr += bytes_read; | |
8655 | for (;;) | |
8656 | { | |
1d827a72 L |
8657 | const dwarf_vma xindex = read_uleb128 (abbrevptr, |
8658 | &bytes_read, | |
8659 | abbrev_table_end); | |
61364358 JK |
8660 | abbrevptr += bytes_read; |
8661 | const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read, | |
8662 | abbrev_table_end); | |
8663 | abbrevptr += bytes_read; | |
1d827a72 | 8664 | if (xindex == 0 && form == 0) |
61364358 JK |
8665 | break; |
8666 | } | |
8667 | } | |
8668 | ||
8669 | printf (_("\nSymbol table:\n")); | |
8670 | uint32_t namei; | |
8671 | for (namei = 0; namei < name_count; ++namei) | |
8672 | { | |
8673 | uint64_t string_offset, entry_offset; | |
8674 | ||
8675 | SAFE_BYTE_GET (string_offset, | |
8676 | name_table_string_offsets + namei * offset_size, | |
8677 | offset_size, unit_end); | |
8678 | SAFE_BYTE_GET (entry_offset, | |
8679 | name_table_entry_offsets + namei * offset_size, | |
8680 | offset_size, unit_end); | |
8681 | ||
8682 | printf ("[%3u] #%08x %s:", namei, hash_table_hashes[namei], | |
8683 | fetch_indirect_string (string_offset)); | |
8684 | ||
8685 | unsigned char *entryptr = entry_pool + entry_offset; | |
8686 | ||
8687 | // We need to scan first whether there is a single or multiple | |
8688 | // entries. TAGNO is -2 for the first entry, it is -1 for the | |
8689 | // initial tag read of the second entry, then it becomes 0 for the | |
8690 | // first entry for real printing etc. | |
8691 | int tagno = -2; | |
8692 | /* Initialize it due to a false compiler warning. */ | |
8693 | dwarf_vma second_abbrev_tag = -1; | |
8694 | for (;;) | |
8695 | { | |
8696 | unsigned int bytes_read; | |
8697 | const dwarf_vma abbrev_tag = read_uleb128 (entryptr, &bytes_read, | |
8698 | unit_end); | |
8699 | entryptr += bytes_read; | |
8700 | if (tagno == -1) | |
8701 | { | |
8702 | second_abbrev_tag = abbrev_tag; | |
8703 | tagno = 0; | |
8704 | entryptr = entry_pool + entry_offset; | |
8705 | continue; | |
8706 | } | |
8707 | if (abbrev_tag == 0) | |
8708 | break; | |
8709 | if (tagno >= 0) | |
8710 | printf ("%s<%lu>", | |
8711 | (tagno == 0 && second_abbrev_tag == 0 ? " " : "\n\t"), | |
8712 | (unsigned long) abbrev_tag); | |
8713 | ||
8714 | const struct abbrev_lookup_entry *entry; | |
8715 | for (entry = abbrev_lookup; | |
8716 | entry < abbrev_lookup + abbrev_lookup_used; | |
8717 | entry++) | |
8718 | if (entry->abbrev_tag == abbrev_tag) | |
8719 | break; | |
8720 | if (entry >= abbrev_lookup + abbrev_lookup_used) | |
8721 | { | |
8722 | warn (_("Undefined abbreviation tag %lu " | |
8723 | "in unit 0x%lx in the debug_names\n"), | |
8724 | (long) abbrev_tag, | |
8725 | (long) (unit_start - section->start)); | |
8726 | break; | |
8727 | } | |
8728 | abbrevptr = entry->abbrev_lookup_ptr; | |
8729 | const dwarf_vma dwarf_tag = read_uleb128 (abbrevptr, &bytes_read, | |
8730 | abbrev_table_end); | |
8731 | abbrevptr += bytes_read; | |
8732 | if (tagno >= 0) | |
8733 | printf (" %s", get_TAG_name (dwarf_tag)); | |
8734 | for (;;) | |
8735 | { | |
1d827a72 L |
8736 | const dwarf_vma xindex = read_uleb128 (abbrevptr, |
8737 | &bytes_read, | |
8738 | abbrev_table_end); | |
61364358 JK |
8739 | abbrevptr += bytes_read; |
8740 | const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read, | |
8741 | abbrev_table_end); | |
8742 | abbrevptr += bytes_read; | |
1d827a72 | 8743 | if (xindex == 0 && form == 0) |
61364358 JK |
8744 | break; |
8745 | ||
8746 | if (tagno >= 0) | |
1d827a72 | 8747 | printf (" %s", get_IDX_name (xindex)); |
61364358 JK |
8748 | entryptr = read_and_display_attr_value (0, form, 0, entryptr, |
8749 | unit_end, 0, 0, | |
8750 | offset_size, | |
8751 | dwarf_version, NULL, | |
8752 | (tagno < 0), NULL, | |
8753 | NULL, '='); | |
8754 | } | |
8755 | ++tagno; | |
8756 | } | |
8757 | if (tagno <= 0) | |
8758 | printf (_(" <no entries>")); | |
8759 | putchar ('\n'); | |
8760 | } | |
8761 | ||
8762 | free (abbrev_lookup); | |
8763 | } | |
8764 | ||
8765 | return 1; | |
8766 | } | |
8767 | ||
dda8d76d | 8768 | static int |
d85bf2ba NC |
8769 | display_debug_links (struct dwarf_section * section, |
8770 | void * file ATTRIBUTE_UNUSED) | |
dda8d76d NC |
8771 | { |
8772 | const unsigned char * filename; | |
8773 | unsigned int filelen; | |
8774 | ||
8775 | introduce (section, FALSE); | |
8776 | ||
8777 | /* The .gnu_debuglink section is formatted as: | |
8778 | (c-string) Filename. | |
8779 | (padding) If needed to reach a 4 byte boundary. | |
8780 | (uint32_t) CRC32 value. | |
8781 | ||
8782 | The .gun_debugaltlink section is formatted as: | |
8783 | (c-string) Filename. | |
8784 | (binary) Build-ID. */ | |
8785 | ||
8786 | filename = section->start; | |
8787 | filelen = strnlen ((const char *) filename, section->size); | |
8788 | if (filelen == section->size) | |
8789 | { | |
8790 | warn (_("The debuglink filename is corrupt/missing\n")); | |
8791 | return 0; | |
8792 | } | |
8793 | ||
8794 | printf (_(" Separate debug info file: %s\n"), filename); | |
8795 | ||
8796 | if (const_strneq (section->name, ".gnu_debuglink")) | |
8797 | { | |
8798 | unsigned int crc32; | |
8799 | unsigned int crc_offset; | |
8800 | ||
8801 | crc_offset = filelen + 1; | |
8802 | crc_offset = (crc_offset + 3) & ~3; | |
8803 | if (crc_offset + 4 > section->size) | |
8804 | { | |
8805 | warn (_("CRC offset missing/truncated\n")); | |
8806 | return 0; | |
8807 | } | |
8808 | ||
8809 | crc32 = byte_get (filename + crc_offset, 4); | |
8810 | ||
8811 | printf (_(" CRC value: %#x\n"), crc32); | |
8812 | ||
8813 | if (crc_offset + 4 < section->size) | |
8814 | { | |
8815 | warn (_("There are %#lx extraneous bytes at the end of the section\n"), | |
8816 | (long)(section->size - (crc_offset + 4))); | |
8817 | return 0; | |
8818 | } | |
8819 | } | |
8820 | else /* const_strneq (section->name, ".gnu_debugaltlink") */ | |
8821 | { | |
8822 | const unsigned char * build_id = section->start + filelen + 1; | |
8823 | bfd_size_type build_id_len = section->size - (filelen + 1); | |
8824 | bfd_size_type printed; | |
8825 | ||
8826 | /* FIXME: Should we support smaller build-id notes ? */ | |
8827 | if (build_id_len < 0x14) | |
8828 | { | |
8829 | warn (_("Build-ID is too short (%#lx bytes)\n"), (long) build_id_len); | |
8830 | return 0; | |
8831 | } | |
8832 | ||
8833 | printed = printf (_(" Build-ID (%#lx bytes):"), (long) build_id_len); | |
d85bf2ba | 8834 | display_data (printed, build_id, build_id_len); |
dda8d76d NC |
8835 | putchar ('\n'); |
8836 | } | |
8837 | ||
8838 | putchar ('\n'); | |
8839 | return 1; | |
8840 | } | |
8841 | ||
5bbdf3d5 DE |
8842 | static int |
8843 | display_gdb_index (struct dwarf_section *section, | |
8844 | void *file ATTRIBUTE_UNUSED) | |
8845 | { | |
8846 | unsigned char *start = section->start; | |
8847 | uint32_t version; | |
8848 | uint32_t cu_list_offset, tu_list_offset; | |
8849 | uint32_t address_table_offset, symbol_table_offset, constant_pool_offset; | |
8850 | unsigned int cu_list_elements, tu_list_elements; | |
8851 | unsigned int address_table_size, symbol_table_slots; | |
8852 | unsigned char *cu_list, *tu_list; | |
8853 | unsigned char *address_table, *symbol_table, *constant_pool; | |
8854 | unsigned int i; | |
8855 | ||
8856 | /* The documentation for the format of this file is in gdb/dwarf2read.c. */ | |
8857 | ||
dda8d76d | 8858 | introduce (section, FALSE); |
5bbdf3d5 DE |
8859 | |
8860 | if (section->size < 6 * sizeof (uint32_t)) | |
8861 | { | |
8862 | warn (_("Truncated header in the %s section.\n"), section->name); | |
8863 | return 0; | |
8864 | } | |
8865 | ||
8866 | version = byte_get_little_endian (start, 4); | |
da88a764 | 8867 | printf (_("Version %ld\n"), (long) version); |
5bbdf3d5 DE |
8868 | |
8869 | /* Prior versions are obsolete, and future versions may not be | |
8870 | backwards compatible. */ | |
aa170720 | 8871 | if (version < 3 || version > 8) |
5bbdf3d5 | 8872 | { |
da88a764 | 8873 | warn (_("Unsupported version %lu.\n"), (unsigned long) version); |
5bbdf3d5 DE |
8874 | return 0; |
8875 | } | |
8d6eee87 TT |
8876 | if (version < 4) |
8877 | warn (_("The address table data in version 3 may be wrong.\n")); | |
8878 | if (version < 5) | |
8879 | warn (_("Version 4 does not support case insensitive lookups.\n")); | |
8880 | if (version < 6) | |
8881 | warn (_("Version 5 does not include inlined functions.\n")); | |
8882 | if (version < 7) | |
8883 | warn (_("Version 6 does not include symbol attributes.\n")); | |
aa170720 DE |
8884 | /* Version 7 indices generated by Gold have bad type unit references, |
8885 | PR binutils/15021. But we don't know if the index was generated by | |
8886 | Gold or not, so to avoid worrying users with gdb-generated indices | |
8887 | we say nothing for version 7 here. */ | |
5bbdf3d5 DE |
8888 | |
8889 | cu_list_offset = byte_get_little_endian (start + 4, 4); | |
8890 | tu_list_offset = byte_get_little_endian (start + 8, 4); | |
8891 | address_table_offset = byte_get_little_endian (start + 12, 4); | |
8892 | symbol_table_offset = byte_get_little_endian (start + 16, 4); | |
8893 | constant_pool_offset = byte_get_little_endian (start + 20, 4); | |
8894 | ||
8895 | if (cu_list_offset > section->size | |
8896 | || tu_list_offset > section->size | |
8897 | || address_table_offset > section->size | |
8898 | || symbol_table_offset > section->size | |
8899 | || constant_pool_offset > section->size) | |
8900 | { | |
8901 | warn (_("Corrupt header in the %s section.\n"), section->name); | |
8902 | return 0; | |
8903 | } | |
8904 | ||
53774b7e NC |
8905 | /* PR 17531: file: 418d0a8a. */ |
8906 | if (tu_list_offset < cu_list_offset) | |
8907 | { | |
8908 | warn (_("TU offset (%x) is less than CU offset (%x)\n"), | |
8909 | tu_list_offset, cu_list_offset); | |
8910 | return 0; | |
8911 | } | |
8912 | ||
5bbdf3d5 | 8913 | cu_list_elements = (tu_list_offset - cu_list_offset) / 8; |
53774b7e NC |
8914 | |
8915 | if (address_table_offset < tu_list_offset) | |
8916 | { | |
8917 | warn (_("Address table offset (%x) is less than TU offset (%x)\n"), | |
8918 | address_table_offset, tu_list_offset); | |
8919 | return 0; | |
8920 | } | |
8921 | ||
5bbdf3d5 | 8922 | tu_list_elements = (address_table_offset - tu_list_offset) / 8; |
53774b7e NC |
8923 | |
8924 | /* PR 17531: file: 18a47d3d. */ | |
8925 | if (symbol_table_offset < address_table_offset) | |
8926 | { | |
13bace4a | 8927 | warn (_("Symbol table offset (%x) is less then Address table offset (%x)\n"), |
53774b7e NC |
8928 | symbol_table_offset, address_table_offset); |
8929 | return 0; | |
8930 | } | |
8931 | ||
5bbdf3d5 | 8932 | address_table_size = symbol_table_offset - address_table_offset; |
53774b7e NC |
8933 | |
8934 | if (constant_pool_offset < symbol_table_offset) | |
8935 | { | |
8936 | warn (_("Constant pool offset (%x) is less than symbol table offset (%x)\n"), | |
8937 | constant_pool_offset, symbol_table_offset); | |
8938 | return 0; | |
8939 | } | |
8940 | ||
5bbdf3d5 DE |
8941 | symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8; |
8942 | ||
8943 | cu_list = start + cu_list_offset; | |
8944 | tu_list = start + tu_list_offset; | |
8945 | address_table = start + address_table_offset; | |
8946 | symbol_table = start + symbol_table_offset; | |
8947 | constant_pool = start + constant_pool_offset; | |
8948 | ||
28d909e5 | 8949 | if (address_table + address_table_size > section->start + section->size) |
acff9664 | 8950 | { |
1306a742 | 8951 | warn (_("Address table extends beyond end of section.\n")); |
acff9664 NC |
8952 | return 0; |
8953 | } | |
b4eb7656 | 8954 | |
5bbdf3d5 DE |
8955 | printf (_("\nCU table:\n")); |
8956 | for (i = 0; i < cu_list_elements; i += 2) | |
8957 | { | |
8958 | uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8); | |
8959 | uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8); | |
8960 | ||
8961 | printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2, | |
8962 | (unsigned long) cu_offset, | |
8963 | (unsigned long) (cu_offset + cu_length - 1)); | |
8964 | } | |
8965 | ||
8966 | printf (_("\nTU table:\n")); | |
8967 | for (i = 0; i < tu_list_elements; i += 3) | |
8968 | { | |
8969 | uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8); | |
8970 | uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8); | |
8971 | uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8); | |
8972 | ||
8973 | printf (_("[%3u] 0x%lx 0x%lx "), i / 3, | |
8974 | (unsigned long) tu_offset, | |
8975 | (unsigned long) type_offset); | |
8976 | print_dwarf_vma (signature, 8); | |
8977 | printf ("\n"); | |
8978 | } | |
8979 | ||
8980 | printf (_("\nAddress table:\n")); | |
acff9664 NC |
8981 | for (i = 0; i < address_table_size && i <= address_table_size - (2 * 8 + 4); |
8982 | i += 2 * 8 + 4) | |
5bbdf3d5 DE |
8983 | { |
8984 | uint64_t low = byte_get_little_endian (address_table + i, 8); | |
8985 | uint64_t high = byte_get_little_endian (address_table + i + 8, 8); | |
8986 | uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4); | |
8987 | ||
8988 | print_dwarf_vma (low, 8); | |
8989 | print_dwarf_vma (high, 8); | |
da88a764 | 8990 | printf (_("%lu\n"), (unsigned long) cu_index); |
5bbdf3d5 DE |
8991 | } |
8992 | ||
8993 | printf (_("\nSymbol table:\n")); | |
8994 | for (i = 0; i < symbol_table_slots; ++i) | |
8995 | { | |
8996 | uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4); | |
8997 | uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4); | |
8998 | uint32_t num_cus, cu; | |
8999 | ||
9000 | if (name_offset != 0 | |
9001 | || cu_vector_offset != 0) | |
9002 | { | |
9003 | unsigned int j; | |
362beea4 | 9004 | unsigned char * adr; |
5bbdf3d5 | 9005 | |
362beea4 | 9006 | adr = constant_pool + name_offset; |
53774b7e | 9007 | /* PR 17531: file: 5b7b07ad. */ |
362beea4 | 9008 | if (adr < constant_pool || adr >= section->start + section->size) |
53774b7e NC |
9009 | { |
9010 | printf (_("[%3u] <corrupt offset: %x>"), i, name_offset); | |
9011 | warn (_("Corrupt name offset of 0x%x found for symbol table slot %d\n"), | |
9012 | name_offset, i); | |
9013 | } | |
9014 | else | |
acff9664 NC |
9015 | printf ("[%3u] %.*s:", i, |
9016 | (int) (section->size - (constant_pool_offset + name_offset)), | |
9017 | constant_pool + name_offset); | |
53774b7e | 9018 | |
362beea4 NC |
9019 | adr = constant_pool + cu_vector_offset; |
9020 | if (adr < constant_pool || adr >= section->start + section->size - 3) | |
53774b7e NC |
9021 | { |
9022 | printf (_("<invalid CU vector offset: %x>\n"), cu_vector_offset); | |
9023 | warn (_("Corrupt CU vector offset of 0x%x found for symbol table slot %d\n"), | |
9024 | cu_vector_offset, i); | |
9025 | continue; | |
9026 | } | |
57028622 | 9027 | |
362beea4 | 9028 | num_cus = byte_get_little_endian (adr, 4); |
53774b7e | 9029 | |
362beea4 | 9030 | adr = constant_pool + cu_vector_offset + 4 + num_cus * 4; |
acff9664 | 9031 | if (num_cus * 4 < num_cus |
362beea4 NC |
9032 | || adr >= section->start + section->size |
9033 | || adr < constant_pool) | |
53774b7e NC |
9034 | { |
9035 | printf ("<invalid number of CUs: %d>\n", num_cus); | |
acff9664 | 9036 | warn (_("Invalid number of CUs (0x%x) for symbol table slot %d\n"), |
53774b7e NC |
9037 | num_cus, i); |
9038 | continue; | |
9039 | } | |
9040 | ||
8d6eee87 TT |
9041 | if (num_cus > 1) |
9042 | printf ("\n"); | |
f3853b34 | 9043 | |
5bbdf3d5 DE |
9044 | for (j = 0; j < num_cus; ++j) |
9045 | { | |
7c1cef97 | 9046 | int is_static; |
8d6eee87 TT |
9047 | gdb_index_symbol_kind kind; |
9048 | ||
5bbdf3d5 | 9049 | cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4); |
7c1cef97 | 9050 | is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu); |
8d6eee87 TT |
9051 | kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu); |
9052 | cu = GDB_INDEX_CU_VALUE (cu); | |
5bbdf3d5 | 9053 | /* Convert to TU number if it's for a type unit. */ |
ad6b52dd | 9054 | if (cu >= cu_list_elements / 2) |
8d6eee87 TT |
9055 | printf ("%cT%lu", num_cus > 1 ? '\t' : ' ', |
9056 | (unsigned long) (cu - cu_list_elements / 2)); | |
5bbdf3d5 | 9057 | else |
8d6eee87 TT |
9058 | printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu); |
9059 | ||
459d52c8 DE |
9060 | printf (" [%s, %s]", |
9061 | is_static ? _("static") : _("global"), | |
9062 | get_gdb_index_symbol_kind_name (kind)); | |
8d6eee87 TT |
9063 | if (num_cus > 1) |
9064 | printf ("\n"); | |
5bbdf3d5 | 9065 | } |
8d6eee87 TT |
9066 | if (num_cus <= 1) |
9067 | printf ("\n"); | |
5bbdf3d5 DE |
9068 | } |
9069 | } | |
9070 | ||
9071 | return 1; | |
9072 | } | |
9073 | ||
657d0d47 CC |
9074 | /* Pre-allocate enough space for the CU/TU sets needed. */ |
9075 | ||
9076 | static void | |
9077 | prealloc_cu_tu_list (unsigned int nshndx) | |
9078 | { | |
9079 | if (shndx_pool == NULL) | |
9080 | { | |
9081 | shndx_pool_size = nshndx; | |
9082 | shndx_pool_used = 0; | |
9083 | shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size, | |
9084 | sizeof (unsigned int)); | |
9085 | } | |
9086 | else | |
9087 | { | |
9088 | shndx_pool_size = shndx_pool_used + nshndx; | |
9089 | shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size, | |
9090 | sizeof (unsigned int)); | |
9091 | } | |
9092 | } | |
9093 | ||
9094 | static void | |
9095 | add_shndx_to_cu_tu_entry (unsigned int shndx) | |
9096 | { | |
9097 | if (shndx_pool_used >= shndx_pool_size) | |
9098 | { | |
9099 | error (_("Internal error: out of space in the shndx pool.\n")); | |
9100 | return; | |
9101 | } | |
9102 | shndx_pool [shndx_pool_used++] = shndx; | |
9103 | } | |
9104 | ||
9105 | static void | |
9106 | end_cu_tu_entry (void) | |
9107 | { | |
9108 | if (shndx_pool_used >= shndx_pool_size) | |
9109 | { | |
9110 | error (_("Internal error: out of space in the shndx pool.\n")); | |
9111 | return; | |
9112 | } | |
9113 | shndx_pool [shndx_pool_used++] = 0; | |
9114 | } | |
9115 | ||
341f9135 CC |
9116 | /* Return the short name of a DWARF section given by a DW_SECT enumerator. */ |
9117 | ||
9118 | static const char * | |
9119 | get_DW_SECT_short_name (unsigned int dw_sect) | |
9120 | { | |
9121 | static char buf[16]; | |
9122 | ||
9123 | switch (dw_sect) | |
9124 | { | |
9125 | case DW_SECT_INFO: | |
9126 | return "info"; | |
9127 | case DW_SECT_TYPES: | |
9128 | return "types"; | |
9129 | case DW_SECT_ABBREV: | |
9130 | return "abbrev"; | |
9131 | case DW_SECT_LINE: | |
9132 | return "line"; | |
9133 | case DW_SECT_LOC: | |
9134 | return "loc"; | |
9135 | case DW_SECT_STR_OFFSETS: | |
9136 | return "str_off"; | |
9137 | case DW_SECT_MACINFO: | |
9138 | return "macinfo"; | |
9139 | case DW_SECT_MACRO: | |
9140 | return "macro"; | |
9141 | default: | |
b4eb7656 | 9142 | break; |
341f9135 CC |
9143 | } |
9144 | ||
9145 | snprintf (buf, sizeof (buf), "%d", dw_sect); | |
9146 | return buf; | |
9147 | } | |
9148 | ||
9149 | /* Process a CU or TU index. If DO_DISPLAY is true, print the contents. | |
9150 | These sections are extensions for Fission. | |
9151 | See http://gcc.gnu.org/wiki/DebugFissionDWP. */ | |
657d0d47 CC |
9152 | |
9153 | static int | |
9154 | process_cu_tu_index (struct dwarf_section *section, int do_display) | |
9155 | { | |
9156 | unsigned char *phdr = section->start; | |
9157 | unsigned char *limit = phdr + section->size; | |
9158 | unsigned char *phash; | |
9159 | unsigned char *pindex; | |
9160 | unsigned char *ppool; | |
9161 | unsigned int version; | |
341f9135 | 9162 | unsigned int ncols = 0; |
657d0d47 CC |
9163 | unsigned int nused; |
9164 | unsigned int nslots; | |
9165 | unsigned int i; | |
341f9135 CC |
9166 | unsigned int j; |
9167 | dwarf_vma signature_high; | |
9168 | dwarf_vma signature_low; | |
9169 | char buf[64]; | |
657d0d47 | 9170 | |
6937bb54 NC |
9171 | /* PR 17512: file: 002-168123-0.004. */ |
9172 | if (phdr == NULL) | |
9173 | { | |
9174 | warn (_("Section %s is empty\n"), section->name); | |
9175 | return 0; | |
9176 | } | |
9177 | /* PR 17512: file: 002-376-0.004. */ | |
9178 | if (section->size < 24) | |
9179 | { | |
72c61a0d | 9180 | warn (_("Section %s is too small to contain a CU/TU header\n"), |
6937bb54 NC |
9181 | section->name); |
9182 | return 0; | |
9183 | } | |
9184 | ||
9185 | SAFE_BYTE_GET (version, phdr, 4, limit); | |
341f9135 | 9186 | if (version >= 2) |
6937bb54 NC |
9187 | SAFE_BYTE_GET (ncols, phdr + 4, 4, limit); |
9188 | SAFE_BYTE_GET (nused, phdr + 8, 4, limit); | |
9189 | SAFE_BYTE_GET (nslots, phdr + 12, 4, limit); | |
9190 | ||
657d0d47 CC |
9191 | phash = phdr + 16; |
9192 | pindex = phash + nslots * 8; | |
9193 | ppool = pindex + nslots * 4; | |
9194 | ||
57028622 | 9195 | /* PR 17531: file: 45d69832. */ |
03a91817 | 9196 | if (pindex < phash || ppool < phdr || (pindex == phash && nslots != 0)) |
57028622 | 9197 | { |
d3a49aa8 AM |
9198 | warn (ngettext ("Section %s is too small for %d slot\n", |
9199 | "Section %s is too small for %d slots\n", | |
9200 | nslots), | |
57028622 NC |
9201 | section->name, nslots); |
9202 | return 0; | |
9203 | } | |
9204 | ||
657d0d47 CC |
9205 | if (do_display) |
9206 | { | |
dda8d76d NC |
9207 | introduce (section, FALSE); |
9208 | ||
657d0d47 | 9209 | printf (_(" Version: %d\n"), version); |
341f9135 CC |
9210 | if (version >= 2) |
9211 | printf (_(" Number of columns: %d\n"), ncols); | |
657d0d47 CC |
9212 | printf (_(" Number of used entries: %d\n"), nused); |
9213 | printf (_(" Number of slots: %d\n\n"), nslots); | |
9214 | } | |
9215 | ||
03a91817 | 9216 | if (ppool > limit || ppool < phdr) |
657d0d47 CC |
9217 | { |
9218 | warn (_("Section %s too small for %d hash table entries\n"), | |
9219 | section->name, nslots); | |
9220 | return 0; | |
9221 | } | |
9222 | ||
341f9135 | 9223 | if (version == 1) |
657d0d47 | 9224 | { |
341f9135 CC |
9225 | if (!do_display) |
9226 | prealloc_cu_tu_list ((limit - ppool) / 4); | |
9227 | for (i = 0; i < nslots; i++) | |
657d0d47 | 9228 | { |
341f9135 CC |
9229 | unsigned char *shndx_list; |
9230 | unsigned int shndx; | |
9231 | ||
6937bb54 | 9232 | SAFE_BYTE_GET64 (phash, &signature_high, &signature_low, limit); |
341f9135 | 9233 | if (signature_high != 0 || signature_low != 0) |
657d0d47 | 9234 | { |
6937bb54 | 9235 | SAFE_BYTE_GET (j, pindex, 4, limit); |
341f9135 | 9236 | shndx_list = ppool + j * 4; |
f3853b34 NC |
9237 | /* PR 17531: file: 705e010d. */ |
9238 | if (shndx_list < ppool) | |
9239 | { | |
9240 | warn (_("Section index pool located before start of section\n")); | |
9241 | return 0; | |
9242 | } | |
9243 | ||
341f9135 CC |
9244 | if (do_display) |
9245 | printf (_(" [%3d] Signature: 0x%s Sections: "), | |
9246 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
9247 | buf, sizeof (buf))); | |
9248 | for (;;) | |
657d0d47 | 9249 | { |
341f9135 CC |
9250 | if (shndx_list >= limit) |
9251 | { | |
9252 | warn (_("Section %s too small for shndx pool\n"), | |
9253 | section->name); | |
9254 | return 0; | |
9255 | } | |
6937bb54 | 9256 | SAFE_BYTE_GET (shndx, shndx_list, 4, limit); |
341f9135 CC |
9257 | if (shndx == 0) |
9258 | break; | |
9259 | if (do_display) | |
9260 | printf (" %d", shndx); | |
9261 | else | |
9262 | add_shndx_to_cu_tu_entry (shndx); | |
9263 | shndx_list += 4; | |
657d0d47 | 9264 | } |
657d0d47 | 9265 | if (do_display) |
341f9135 | 9266 | printf ("\n"); |
657d0d47 | 9267 | else |
341f9135 CC |
9268 | end_cu_tu_entry (); |
9269 | } | |
9270 | phash += 8; | |
9271 | pindex += 4; | |
9272 | } | |
9273 | } | |
9274 | else if (version == 2) | |
9275 | { | |
9276 | unsigned int val; | |
9277 | unsigned int dw_sect; | |
9278 | unsigned char *ph = phash; | |
9279 | unsigned char *pi = pindex; | |
9280 | unsigned char *poffsets = ppool + ncols * 4; | |
9281 | unsigned char *psizes = poffsets + nused * ncols * 4; | |
9282 | unsigned char *pend = psizes + nused * ncols * 4; | |
9283 | bfd_boolean is_tu_index; | |
9284 | struct cu_tu_set *this_set = NULL; | |
9285 | unsigned int row; | |
9286 | unsigned char *prow; | |
9287 | ||
9288 | is_tu_index = strcmp (section->name, ".debug_tu_index") == 0; | |
9289 | ||
362beea4 | 9290 | /* PR 17531: file: 0dd159bf. |
b4eb7656 | 9291 | Check for wraparound with an overlarge ncols value. */ |
c8071705 | 9292 | if (poffsets < ppool || (unsigned int) ((poffsets - ppool) / 4) != ncols) |
362beea4 NC |
9293 | { |
9294 | warn (_("Overlarge number of columns: %x\n"), ncols); | |
9295 | return 0; | |
9296 | } | |
9297 | ||
341f9135 CC |
9298 | if (pend > limit) |
9299 | { | |
9300 | warn (_("Section %s too small for offset and size tables\n"), | |
9301 | section->name); | |
9302 | return 0; | |
9303 | } | |
9304 | ||
9305 | if (do_display) | |
9306 | { | |
9307 | printf (_(" Offset table\n")); | |
9308 | printf (" slot %-16s ", | |
9309 | is_tu_index ? _("signature") : _("dwo_id")); | |
9310 | } | |
9311 | else | |
9312 | { | |
9313 | if (is_tu_index) | |
9314 | { | |
9315 | tu_count = nused; | |
72c61a0d | 9316 | tu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set)); |
341f9135 | 9317 | this_set = tu_sets; |
657d0d47 | 9318 | } |
657d0d47 | 9319 | else |
341f9135 CC |
9320 | { |
9321 | cu_count = nused; | |
72c61a0d | 9322 | cu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set)); |
341f9135 CC |
9323 | this_set = cu_sets; |
9324 | } | |
9325 | } | |
6937bb54 | 9326 | |
341f9135 CC |
9327 | if (do_display) |
9328 | { | |
9329 | for (j = 0; j < ncols; j++) | |
9330 | { | |
6937bb54 | 9331 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
341f9135 CC |
9332 | printf (" %8s", get_DW_SECT_short_name (dw_sect)); |
9333 | } | |
9334 | printf ("\n"); | |
9335 | } | |
6937bb54 | 9336 | |
341f9135 CC |
9337 | for (i = 0; i < nslots; i++) |
9338 | { | |
6937bb54 NC |
9339 | SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit); |
9340 | ||
9341 | SAFE_BYTE_GET (row, pi, 4, limit); | |
341f9135 CC |
9342 | if (row != 0) |
9343 | { | |
591f7597 | 9344 | /* PR 17531: file: a05f6ab3. */ |
ef77750e | 9345 | if (row > nused) |
591f7597 NC |
9346 | { |
9347 | warn (_("Row index (%u) is larger than number of used entries (%u)\n"), | |
9348 | row, nused); | |
9349 | return 0; | |
9350 | } | |
9351 | ||
341f9135 | 9352 | if (!do_display) |
6aea08d9 NC |
9353 | { |
9354 | size_t num_copy = sizeof (uint64_t); | |
9355 | ||
9356 | /* PR 23064: Beware of buffer overflow. */ | |
9357 | if (ph + num_copy < limit) | |
9358 | memcpy (&this_set[row - 1].signature, ph, num_copy); | |
9359 | else | |
9360 | { | |
9361 | warn (_("Signature (%p) extends beyond end of space in section\n"), ph); | |
9362 | return 0; | |
9363 | } | |
9364 | } | |
6937bb54 | 9365 | |
341f9135 | 9366 | prow = poffsets + (row - 1) * ncols * 4; |
ffc0f143 NC |
9367 | /* PR 17531: file: b8ce60a8. */ |
9368 | if (prow < poffsets || prow > limit) | |
9369 | { | |
9370 | warn (_("Row index (%u) * num columns (%u) > space remaining in section\n"), | |
9371 | row, ncols); | |
9372 | return 0; | |
9373 | } | |
3aade688 | 9374 | |
341f9135 CC |
9375 | if (do_display) |
9376 | printf (_(" [%3d] 0x%s"), | |
9377 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
9378 | buf, sizeof (buf))); | |
9379 | for (j = 0; j < ncols; j++) | |
9380 | { | |
6937bb54 | 9381 | SAFE_BYTE_GET (val, prow + j * 4, 4, limit); |
341f9135 CC |
9382 | if (do_display) |
9383 | printf (" %8d", val); | |
9384 | else | |
9385 | { | |
6937bb54 | 9386 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
82b1b41b NC |
9387 | |
9388 | /* PR 17531: file: 10796eb3. */ | |
9389 | if (dw_sect >= DW_SECT_MAX) | |
9390 | warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect); | |
9391 | else | |
9392 | this_set [row - 1].section_offsets [dw_sect] = val; | |
341f9135 CC |
9393 | } |
9394 | } | |
6937bb54 | 9395 | |
341f9135 CC |
9396 | if (do_display) |
9397 | printf ("\n"); | |
9398 | } | |
9399 | ph += 8; | |
9400 | pi += 4; | |
9401 | } | |
9402 | ||
9403 | ph = phash; | |
9404 | pi = pindex; | |
9405 | if (do_display) | |
b4eb7656 | 9406 | { |
341f9135 CC |
9407 | printf ("\n"); |
9408 | printf (_(" Size table\n")); | |
9409 | printf (" slot %-16s ", | |
9410 | is_tu_index ? _("signature") : _("dwo_id")); | |
b4eb7656 | 9411 | } |
6937bb54 | 9412 | |
341f9135 CC |
9413 | for (j = 0; j < ncols; j++) |
9414 | { | |
6937bb54 | 9415 | SAFE_BYTE_GET (val, ppool + j * 4, 4, limit); |
341f9135 CC |
9416 | if (do_display) |
9417 | printf (" %8s", get_DW_SECT_short_name (val)); | |
9418 | } | |
6937bb54 | 9419 | |
341f9135 CC |
9420 | if (do_display) |
9421 | printf ("\n"); | |
6937bb54 | 9422 | |
341f9135 CC |
9423 | for (i = 0; i < nslots; i++) |
9424 | { | |
6937bb54 NC |
9425 | SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit); |
9426 | ||
9427 | SAFE_BYTE_GET (row, pi, 4, limit); | |
341f9135 CC |
9428 | if (row != 0) |
9429 | { | |
9430 | prow = psizes + (row - 1) * ncols * 4; | |
6937bb54 | 9431 | |
341f9135 CC |
9432 | if (do_display) |
9433 | printf (_(" [%3d] 0x%s"), | |
9434 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
9435 | buf, sizeof (buf))); | |
6937bb54 | 9436 | |
341f9135 CC |
9437 | for (j = 0; j < ncols; j++) |
9438 | { | |
6937bb54 | 9439 | SAFE_BYTE_GET (val, prow + j * 4, 4, limit); |
341f9135 CC |
9440 | if (do_display) |
9441 | printf (" %8d", val); | |
9442 | else | |
9443 | { | |
6937bb54 | 9444 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
82b1b41b NC |
9445 | if (dw_sect >= DW_SECT_MAX) |
9446 | warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect); | |
9447 | else | |
341f9135 CC |
9448 | this_set [row - 1].section_sizes [dw_sect] = val; |
9449 | } | |
9450 | } | |
6937bb54 | 9451 | |
341f9135 CC |
9452 | if (do_display) |
9453 | printf ("\n"); | |
9454 | } | |
6937bb54 | 9455 | |
341f9135 CC |
9456 | ph += 8; |
9457 | pi += 4; | |
657d0d47 | 9458 | } |
657d0d47 | 9459 | } |
341f9135 | 9460 | else if (do_display) |
6937bb54 | 9461 | printf (_(" Unsupported version (%d)\n"), version); |
657d0d47 CC |
9462 | |
9463 | if (do_display) | |
9464 | printf ("\n"); | |
9465 | ||
9466 | return 1; | |
9467 | } | |
9468 | ||
9469 | /* Load the CU and TU indexes if present. This will build a list of | |
9470 | section sets that we can use to associate a .debug_info.dwo section | |
9471 | with its associated .debug_abbrev.dwo section in a .dwp file. */ | |
9472 | ||
43a444f9 | 9473 | static bfd_boolean |
657d0d47 CC |
9474 | load_cu_tu_indexes (void *file) |
9475 | { | |
43a444f9 NC |
9476 | static int cu_tu_indexes_read = -1; /* Tri-state variable. */ |
9477 | ||
657d0d47 CC |
9478 | /* If we have already loaded (or tried to load) the CU and TU indexes |
9479 | then do not bother to repeat the task. */ | |
43a444f9 NC |
9480 | if (cu_tu_indexes_read == -1) |
9481 | { | |
9482 | cu_tu_indexes_read = TRUE; | |
9483 | ||
dda8d76d | 9484 | if (load_debug_section_with_follow (dwp_cu_index, file)) |
43a444f9 NC |
9485 | if (! process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0)) |
9486 | cu_tu_indexes_read = FALSE; | |
9487 | ||
dda8d76d | 9488 | if (load_debug_section_with_follow (dwp_tu_index, file)) |
43a444f9 NC |
9489 | if (! process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0)) |
9490 | cu_tu_indexes_read = FALSE; | |
9491 | } | |
657d0d47 | 9492 | |
43a444f9 | 9493 | return (bfd_boolean) cu_tu_indexes_read; |
657d0d47 CC |
9494 | } |
9495 | ||
9496 | /* Find the set of sections that includes section SHNDX. */ | |
9497 | ||
9498 | unsigned int * | |
9499 | find_cu_tu_set (void *file, unsigned int shndx) | |
9500 | { | |
9501 | unsigned int i; | |
9502 | ||
43a444f9 NC |
9503 | if (! load_cu_tu_indexes (file)) |
9504 | return NULL; | |
657d0d47 CC |
9505 | |
9506 | /* Find SHNDX in the shndx pool. */ | |
9507 | for (i = 0; i < shndx_pool_used; i++) | |
9508 | if (shndx_pool [i] == shndx) | |
9509 | break; | |
9510 | ||
9511 | if (i >= shndx_pool_used) | |
9512 | return NULL; | |
9513 | ||
9514 | /* Now backup to find the first entry in the set. */ | |
9515 | while (i > 0 && shndx_pool [i - 1] != 0) | |
9516 | i--; | |
9517 | ||
9518 | return shndx_pool + i; | |
9519 | } | |
9520 | ||
9521 | /* Display a .debug_cu_index or .debug_tu_index section. */ | |
9522 | ||
9523 | static int | |
9524 | display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED) | |
9525 | { | |
9526 | return process_cu_tu_index (section, 1); | |
9527 | } | |
9528 | ||
19e6b90e L |
9529 | static int |
9530 | display_debug_not_supported (struct dwarf_section *section, | |
9531 | void *file ATTRIBUTE_UNUSED) | |
9532 | { | |
9533 | printf (_("Displaying the debug contents of section %s is not yet supported.\n"), | |
9534 | section->name); | |
9535 | ||
9536 | return 1; | |
9537 | } | |
9538 | ||
1306a742 NC |
9539 | /* Like malloc, but takes two parameters like calloc. |
9540 | Verifies that the first parameter is not too large. | |
82b1b41b | 9541 | Note: does *not* initialise the allocated memory to zero. */ |
dda8d76d | 9542 | |
19e6b90e L |
9543 | void * |
9544 | cmalloc (size_t nmemb, size_t size) | |
9545 | { | |
9546 | /* Check for overflow. */ | |
9547 | if (nmemb >= ~(size_t) 0 / size) | |
9548 | return NULL; | |
82b1b41b NC |
9549 | |
9550 | return xmalloc (nmemb * size); | |
19e6b90e L |
9551 | } |
9552 | ||
1306a742 NC |
9553 | /* Like xmalloc, but takes two parameters like calloc. |
9554 | Verifies that the first parameter is not too large. | |
9555 | Note: does *not* initialise the allocated memory to zero. */ | |
dda8d76d | 9556 | |
72c61a0d | 9557 | void * |
1306a742 | 9558 | xcmalloc (size_t nmemb, size_t size) |
72c61a0d NC |
9559 | { |
9560 | /* Check for overflow. */ | |
9561 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 NC |
9562 | { |
9563 | fprintf (stderr, | |
9564 | _("Attempt to allocate an array with an excessive number of elements: 0x%lx\n"), | |
9565 | (long) nmemb); | |
9566 | xexit (1); | |
9567 | } | |
72c61a0d | 9568 | |
1306a742 | 9569 | return xmalloc (nmemb * size); |
72c61a0d NC |
9570 | } |
9571 | ||
1306a742 NC |
9572 | /* Like xrealloc, but takes three parameters. |
9573 | Verifies that the second parameter is not too large. | |
9574 | Note: does *not* initialise any new memory to zero. */ | |
dda8d76d | 9575 | |
19e6b90e | 9576 | void * |
1306a742 | 9577 | xcrealloc (void *ptr, size_t nmemb, size_t size) |
19e6b90e L |
9578 | { |
9579 | /* Check for overflow. */ | |
9580 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 | 9581 | { |
dda8d76d NC |
9582 | error (_("Attempt to re-allocate an array with an excessive number of elements: 0x%lx\n"), |
9583 | (long) nmemb); | |
8490fb40 NC |
9584 | xexit (1); |
9585 | } | |
82b1b41b | 9586 | |
1306a742 | 9587 | return xrealloc (ptr, nmemb * size); |
19e6b90e L |
9588 | } |
9589 | ||
1306a742 | 9590 | /* Like xcalloc, but verifies that the first parameter is not too large. */ |
dda8d76d | 9591 | |
19e6b90e | 9592 | void * |
1306a742 | 9593 | xcalloc2 (size_t nmemb, size_t size) |
19e6b90e L |
9594 | { |
9595 | /* Check for overflow. */ | |
9596 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 | 9597 | { |
dda8d76d NC |
9598 | error (_("Attempt to allocate a zero'ed array with an excessive number of elements: 0x%lx\n"), |
9599 | (long) nmemb); | |
8490fb40 NC |
9600 | xexit (1); |
9601 | } | |
82b1b41b | 9602 | |
1306a742 | 9603 | return xcalloc (nmemb, size); |
19e6b90e L |
9604 | } |
9605 | ||
dda8d76d NC |
9606 | static unsigned long |
9607 | calc_gnu_debuglink_crc32 (unsigned long crc, | |
9608 | const unsigned char * buf, | |
9609 | bfd_size_type len) | |
9610 | { | |
9611 | static const unsigned long crc32_table[256] = | |
9612 | { | |
9613 | 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, | |
9614 | 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, | |
9615 | 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, | |
9616 | 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, | |
9617 | 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, | |
9618 | 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, | |
9619 | 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, | |
9620 | 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, | |
9621 | 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, | |
9622 | 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, | |
9623 | 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, | |
9624 | 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, | |
9625 | 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, | |
9626 | 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, | |
9627 | 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, | |
9628 | 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, | |
9629 | 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, | |
9630 | 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, | |
9631 | 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, | |
9632 | 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, | |
9633 | 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, | |
9634 | 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, | |
9635 | 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, | |
9636 | 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, | |
9637 | 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, | |
9638 | 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, | |
9639 | 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, | |
9640 | 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, | |
9641 | 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, | |
9642 | 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, | |
9643 | 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, | |
9644 | 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, | |
9645 | 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, | |
9646 | 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, | |
9647 | 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, | |
9648 | 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, | |
9649 | 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, | |
9650 | 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, | |
9651 | 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, | |
9652 | 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, | |
9653 | 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, | |
9654 | 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, | |
9655 | 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, | |
9656 | 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, | |
9657 | 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, | |
9658 | 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, | |
9659 | 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, | |
9660 | 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, | |
9661 | 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, | |
9662 | 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, | |
9663 | 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, | |
9664 | 0x2d02ef8d | |
9665 | }; | |
9666 | const unsigned char *end; | |
9667 | ||
9668 | crc = ~crc & 0xffffffff; | |
9669 | for (end = buf + len; buf < end; ++ buf) | |
9670 | crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8); | |
9671 | return ~crc & 0xffffffff; | |
9672 | } | |
9673 | ||
9674 | typedef bfd_boolean (* check_func_type) (const char *, void *); | |
9675 | typedef const char * (* parse_func_type) (struct dwarf_section *, void *); | |
9676 | ||
9677 | static bfd_boolean | |
9678 | check_gnu_debuglink (const char * pathname, void * crc_pointer) | |
9679 | { | |
9680 | static unsigned char buffer [8 * 1024]; | |
9681 | FILE * f; | |
9682 | bfd_size_type count; | |
9683 | unsigned long crc = 0; | |
9684 | void * sep_data; | |
9685 | ||
9686 | sep_data = open_debug_file (pathname); | |
9687 | if (sep_data == NULL) | |
9688 | return FALSE; | |
9689 | ||
9690 | /* Yes - we are opening the file twice... */ | |
9691 | f = fopen (pathname, "rb"); | |
9692 | if (f == NULL) | |
9693 | { | |
9694 | /* Paranoia: This should never happen. */ | |
9695 | close_debug_file (sep_data); | |
9696 | warn (_("Unable to reopen separate debug info file: %s\n"), pathname); | |
9697 | return FALSE; | |
9698 | } | |
9699 | ||
9700 | while ((count = fread (buffer, 1, sizeof (buffer), f)) > 0) | |
9701 | crc = calc_gnu_debuglink_crc32 (crc, buffer, count); | |
9702 | ||
9703 | fclose (f); | |
9704 | ||
9705 | if (crc != * (unsigned long *) crc_pointer) | |
9706 | { | |
9707 | close_debug_file (sep_data); | |
9708 | warn (_("Separate debug info file %s found, but CRC does not match - ignoring\n"), | |
9709 | pathname); | |
9710 | return FALSE; | |
9711 | } | |
9712 | ||
9713 | return TRUE; | |
9714 | } | |
9715 | ||
9716 | static const char * | |
9717 | parse_gnu_debuglink (struct dwarf_section * section, void * data) | |
9718 | { | |
9719 | const char * name; | |
9720 | unsigned int crc_offset; | |
9721 | unsigned long * crc32 = (unsigned long *) data; | |
9722 | ||
9723 | /* The name is first. | |
9724 | The CRC value is stored after the filename, aligned up to 4 bytes. */ | |
9725 | name = (const char *) section->start; | |
9726 | ||
9727 | crc_offset = strnlen (name, section->size) + 1; | |
9728 | crc_offset = (crc_offset + 3) & ~3; | |
9729 | if (crc_offset + 4 > section->size) | |
9730 | return NULL; | |
9731 | ||
9732 | * crc32 = byte_get (section->start + crc_offset, 4); | |
9733 | return name; | |
9734 | } | |
9735 | ||
9736 | static bfd_boolean | |
9737 | check_gnu_debugaltlink (const char * filename, void * data ATTRIBUTE_UNUSED) | |
9738 | { | |
9739 | void * sep_data = open_debug_file (filename); | |
9740 | ||
9741 | if (sep_data == NULL) | |
9742 | return FALSE; | |
9743 | ||
9744 | /* FIXME: We should now extract the build-id in the separate file | |
9745 | and check it... */ | |
9746 | ||
9747 | return TRUE; | |
9748 | } | |
9749 | ||
9750 | typedef struct build_id_data | |
9751 | { | |
9752 | bfd_size_type len; | |
9753 | const unsigned char * data; | |
9754 | } Build_id_data; | |
9755 | ||
9756 | static const char * | |
9757 | parse_gnu_debugaltlink (struct dwarf_section * section, void * data) | |
9758 | { | |
9759 | const char * name; | |
9760 | bfd_size_type namelen; | |
9761 | bfd_size_type id_len; | |
9762 | Build_id_data * build_id_data; | |
9763 | ||
9764 | /* The name is first. | |
9765 | The build-id follows immediately, with no padding, up to the section's end. */ | |
9766 | ||
9767 | name = (const char *) section->start; | |
9768 | namelen = strnlen (name, section->size) + 1; | |
9769 | if (namelen >= section->size) | |
9770 | return NULL; | |
9771 | ||
9772 | id_len = section->size - namelen; | |
9773 | if (id_len < 0x14) | |
9774 | return NULL; | |
9775 | ||
9776 | build_id_data = calloc (1, sizeof * build_id_data); | |
9777 | if (build_id_data == NULL) | |
9778 | return NULL; | |
9779 | ||
9780 | build_id_data->len = id_len; | |
9781 | build_id_data->data = section->start + namelen; | |
9782 | ||
9783 | * (Build_id_data **) data = build_id_data; | |
9784 | ||
9785 | return name; | |
9786 | } | |
9787 | ||
9788 | static void * | |
9789 | load_separate_debug_info (const char * main_filename, | |
2b63c337 | 9790 | struct dwarf_section * xlink, |
dda8d76d NC |
9791 | parse_func_type parse_func, |
9792 | check_func_type check_func, | |
9793 | void * func_data) | |
9794 | { | |
9795 | const char * separate_filename; | |
9796 | char * debugfile; | |
9797 | char * canon_dir; | |
9798 | size_t canon_dirlen; | |
9799 | size_t dirlen; | |
9800 | ||
2b63c337 | 9801 | if ((separate_filename = parse_func (xlink, func_data)) == NULL) |
dda8d76d NC |
9802 | { |
9803 | warn (_("Corrupt debuglink section: %s\n"), | |
2b63c337 | 9804 | xlink->name ? xlink->name : xlink->uncompressed_name); |
dda8d76d NC |
9805 | return FALSE; |
9806 | } | |
9807 | ||
9808 | /* Attempt to locate the separate file. | |
9809 | This should duplicate the logic in bfd/opncls.c:find_separate_debug_file(). */ | |
9810 | ||
9811 | canon_dir = lrealpath (main_filename); | |
9812 | ||
9813 | for (canon_dirlen = strlen (canon_dir); canon_dirlen > 0; canon_dirlen--) | |
9814 | if (IS_DIR_SEPARATOR (canon_dir[canon_dirlen - 1])) | |
9815 | break; | |
9816 | canon_dir[canon_dirlen] = '\0'; | |
9817 | ||
9818 | #ifndef DEBUGDIR | |
9819 | #define DEBUGDIR "/lib/debug" | |
9820 | #endif | |
9821 | #ifndef EXTRA_DEBUG_ROOT1 | |
9822 | #define EXTRA_DEBUG_ROOT1 "/usr/lib/debug" | |
9823 | #endif | |
9824 | #ifndef EXTRA_DEBUG_ROOT2 | |
9825 | #define EXTRA_DEBUG_ROOT2 "/usr/lib/debug/usr" | |
9826 | #endif | |
9827 | ||
9828 | debugfile = (char *) malloc (strlen (DEBUGDIR) + 1 | |
9829 | + canon_dirlen | |
9830 | + strlen (".debug/") | |
9831 | #ifdef EXTRA_DEBUG_ROOT1 | |
9832 | + strlen (EXTRA_DEBUG_ROOT1) | |
9833 | #endif | |
9834 | #ifdef EXTRA_DEBUG_ROOT2 | |
9835 | + strlen (EXTRA_DEBUG_ROOT2) | |
9836 | #endif | |
9837 | + strlen (separate_filename) | |
9838 | + 1); | |
9839 | if (debugfile == NULL) | |
9840 | { | |
9841 | warn (_("Out of memory")); | |
3391569f | 9842 | free (canon_dir); |
dda8d76d NC |
9843 | return NULL; |
9844 | } | |
9845 | ||
9846 | /* First try in the current directory. */ | |
9847 | sprintf (debugfile, "%s", separate_filename); | |
9848 | if (check_func (debugfile, func_data)) | |
9849 | goto found; | |
9850 | ||
9851 | /* Then try in a subdirectory called .debug. */ | |
9852 | sprintf (debugfile, ".debug/%s", separate_filename); | |
9853 | if (check_func (debugfile, func_data)) | |
9854 | goto found; | |
9855 | ||
9856 | /* Then try in the same directory as the original file. */ | |
9857 | sprintf (debugfile, "%s%s", canon_dir, separate_filename); | |
9858 | if (check_func (debugfile, func_data)) | |
9859 | goto found; | |
9860 | ||
9861 | /* And the .debug subdirectory of that directory. */ | |
9862 | sprintf (debugfile, "%s.debug/%s", canon_dir, separate_filename); | |
9863 | if (check_func (debugfile, func_data)) | |
9864 | goto found; | |
9865 | ||
9866 | #ifdef EXTRA_DEBUG_ROOT1 | |
9867 | /* Try the first extra debug file root. */ | |
9868 | sprintf (debugfile, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename); | |
9869 | if (check_func (debugfile, func_data)) | |
9870 | goto found; | |
9871 | #endif | |
9872 | ||
9873 | #ifdef EXTRA_DEBUG_ROOT2 | |
9874 | /* Try the second extra debug file root. */ | |
9875 | sprintf (debugfile, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename); | |
9876 | if (check_func (debugfile, func_data)) | |
9877 | goto found; | |
9878 | #endif | |
9879 | ||
9880 | /* Then try in the global debugfile directory. */ | |
9881 | strcpy (debugfile, DEBUGDIR); | |
9882 | dirlen = strlen (DEBUGDIR) - 1; | |
9883 | if (dirlen > 0 && DEBUGDIR[dirlen] != '/') | |
9884 | strcat (debugfile, "/"); | |
9885 | strcat (debugfile, (const char *) separate_filename); | |
9886 | ||
9887 | if (check_func (debugfile, func_data)) | |
9888 | goto found; | |
9889 | ||
9890 | /* Failed to find the file. */ | |
9891 | warn (_("could not find separate debug file '%s'\n"), separate_filename); | |
9892 | warn (_("tried: %s\n"), debugfile); | |
9893 | ||
9894 | #ifdef EXTRA_DEBUG_ROOT2 | |
9895 | sprintf (debugfile, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename); | |
9896 | warn (_("tried: %s\n"), debugfile); | |
9897 | #endif | |
9898 | ||
9899 | #ifdef EXTRA_DEBUG_ROOT1 | |
9900 | sprintf (debugfile, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename); | |
9901 | warn (_("tried: %s\n"), debugfile); | |
9902 | #endif | |
9903 | ||
9904 | sprintf (debugfile, "%s.debug/%s", canon_dir, separate_filename); | |
9905 | warn (_("tried: %s\n"), debugfile); | |
9906 | ||
9907 | sprintf (debugfile, "%s%s", canon_dir, separate_filename); | |
9908 | warn (_("tried: %s\n"), debugfile); | |
9909 | ||
9910 | sprintf (debugfile, ".debug/%s", separate_filename); | |
9911 | warn (_("tried: %s\n"), debugfile); | |
9912 | ||
9913 | sprintf (debugfile, "%s", separate_filename); | |
9914 | warn (_("tried: %s\n"), debugfile); | |
9915 | ||
9916 | free (canon_dir); | |
9917 | free (debugfile); | |
9918 | return NULL; | |
9919 | ||
9920 | found: | |
9921 | free (canon_dir); | |
9922 | ||
9923 | /* Now open the file.... */ | |
9924 | if ((separate_debug_file = open_debug_file (debugfile)) == NULL) | |
9925 | { | |
9926 | warn (_("failed to open separate debug file: %s\n"), debugfile); | |
9927 | free (debugfile); | |
9928 | return FALSE; | |
9929 | } | |
9930 | ||
9931 | /* FIXME: We do not check to see if there are any other separate debug info | |
9932 | files that would also match. */ | |
9933 | ||
9934 | printf (_("%s: Found separate debug info file: %s\n\n"), main_filename, debugfile); | |
9935 | separate_debug_filename = debugfile; | |
9936 | ||
9937 | /* Do not free debugfile - it might be referenced inside | |
9938 | the structure returned by open_debug_file(). */ | |
9939 | return separate_debug_file; | |
9940 | } | |
9941 | ||
d85bf2ba NC |
9942 | /* Attempt to load a separate dwarf object file. */ |
9943 | ||
9944 | static void * | |
9945 | load_dwo_file (const char * main_filename) | |
9946 | { | |
9947 | char * filename; | |
9948 | ||
9949 | /* FIXME: Skip adding / if dwo_dir ends in /. */ | |
9950 | filename = concat (dwo_dir, "/", dwo_name, NULL); | |
9951 | if (filename == NULL) | |
9952 | { | |
9953 | warn (_("Out of memory allocating dwo filename\n")); | |
9954 | return NULL; | |
9955 | } | |
9956 | ||
9957 | if ((separate_debug_file = open_debug_file (filename)) == NULL) | |
9958 | { | |
9959 | warn (_("Unable to load dwo file: %s\n"), filename); | |
9960 | free (filename); | |
9961 | return NULL; | |
9962 | } | |
9963 | ||
9964 | /* FIXME: We should check the dwo_id. */ | |
9965 | ||
9966 | printf (_("%s: Found separate debug object file: %s\n\n"), main_filename, filename); | |
9967 | separate_debug_filename = filename; | |
9968 | return separate_debug_file; | |
9969 | } | |
9970 | ||
dda8d76d NC |
9971 | /* Load a separate debug info file, if it exists. |
9972 | Returns the data pointer that is the result of calling open_debug_file | |
d85bf2ba NC |
9973 | on the separate debug info file, or NULL if there were problems or there |
9974 | is no such file. */ | |
dda8d76d NC |
9975 | |
9976 | void * | |
9977 | load_separate_debug_file (void * file, const char * filename) | |
9978 | { | |
8de3a6e2 NC |
9979 | /* Skip this operation if we are not interested in debug links. */ |
9980 | if (! do_follow_links && ! do_debug_links) | |
9981 | return NULL; | |
9982 | ||
d85bf2ba NC |
9983 | /* See if there is a dwo link. */ |
9984 | if (load_debug_section (str, file) | |
9985 | && load_debug_section (abbrev, file) | |
9986 | && load_debug_section (info, file)) | |
9987 | { | |
9988 | dwo_name = dwo_dir = NULL; | |
9989 | dwo_id = NULL; | |
9990 | dwo_id_len = 0; | |
9991 | ||
9992 | if (process_debug_info (& debug_displays[info].section, file, abbrev, TRUE, FALSE)) | |
9993 | { | |
9994 | if (dwo_name != NULL) | |
9995 | { | |
9996 | if (do_debug_links) | |
9997 | { | |
9998 | printf (_("The %s section contains a link to a dwo file:\n"), | |
9999 | debug_displays [info].section.uncompressed_name); | |
10000 | printf (_(" Name: %s\n"), dwo_name); | |
10001 | printf (_(" Directory: %s\n"), dwo_dir ? dwo_dir : _("<not-found>")); | |
10002 | if (dwo_id != NULL) | |
10003 | display_data (printf (_(" ID: ")), dwo_id, dwo_id_len); | |
10004 | else | |
10005 | printf (_(" ID: <unknown>\n")); | |
10006 | printf ("\n\n"); | |
10007 | } | |
10008 | ||
10009 | /* FIXME: We do not check to see if there are any more dwo links in the file... */ | |
10010 | if (do_follow_links) | |
10011 | return load_dwo_file (filename); | |
10012 | } | |
10013 | } | |
10014 | } | |
10015 | ||
dda8d76d | 10016 | if (! do_follow_links) |
8de3a6e2 NC |
10017 | /* The other debug links will be displayed by display_debug_links() |
10018 | so we do not need to do any further processing here. */ | |
dda8d76d NC |
10019 | return NULL; |
10020 | ||
10021 | /* FIXME: We do not check for the presence of both link sections in the same file. */ | |
10022 | /* FIXME: We do not check the separate debug info file to see if it too contains debuglinks. */ | |
10023 | /* FIXME: We do not check for the presence of multiple, same-name debuglink sections. */ | |
d85bf2ba | 10024 | /* FIXME: We do not check for the presence of a dwo link as well as a debuglink. */ |
dda8d76d | 10025 | |
dda8d76d NC |
10026 | if (load_debug_section (gnu_debugaltlink, file)) |
10027 | { | |
10028 | Build_id_data * build_id_data; | |
10029 | ||
10030 | return load_separate_debug_info (filename, | |
10031 | & debug_displays[gnu_debugaltlink].section, | |
10032 | parse_gnu_debugaltlink, | |
10033 | check_gnu_debugaltlink, | |
10034 | & build_id_data); | |
10035 | } | |
10036 | ||
10037 | if (load_debug_section (gnu_debuglink, file)) | |
10038 | { | |
10039 | unsigned long crc32; | |
10040 | ||
10041 | return load_separate_debug_info (filename, | |
10042 | & debug_displays[gnu_debuglink].section, | |
10043 | parse_gnu_debuglink, | |
10044 | check_gnu_debuglink, | |
10045 | & crc32); | |
10046 | } | |
10047 | ||
10048 | do_follow_links = 0; | |
10049 | return NULL; | |
10050 | } | |
10051 | ||
19e6b90e L |
10052 | void |
10053 | free_debug_memory (void) | |
10054 | { | |
3f5e193b | 10055 | unsigned int i; |
19e6b90e L |
10056 | |
10057 | free_abbrevs (); | |
10058 | ||
10059 | for (i = 0; i < max; i++) | |
3f5e193b | 10060 | free_debug_section ((enum dwarf_section_display_enum) i); |
19e6b90e | 10061 | |
cc86f28f | 10062 | if (debug_information != NULL) |
19e6b90e | 10063 | { |
cc86f28f | 10064 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE) |
19e6b90e | 10065 | { |
cc86f28f | 10066 | for (i = 0; i < num_debug_info_entries; i++) |
19e6b90e | 10067 | { |
cc86f28f NC |
10068 | if (!debug_information [i].max_loc_offsets) |
10069 | { | |
10070 | free (debug_information [i].loc_offsets); | |
10071 | free (debug_information [i].have_frame_base); | |
10072 | } | |
10073 | if (!debug_information [i].max_range_lists) | |
10074 | free (debug_information [i].range_lists); | |
19e6b90e | 10075 | } |
19e6b90e L |
10076 | } |
10077 | free (debug_information); | |
10078 | debug_information = NULL; | |
82b1b41b | 10079 | alloc_num_debug_info_entries = num_debug_info_entries = 0; |
19e6b90e | 10080 | } |
dda8d76d NC |
10081 | |
10082 | if (separate_debug_file != NULL) | |
10083 | { | |
10084 | close_debug_file (separate_debug_file); | |
10085 | separate_debug_file = NULL; | |
10086 | ||
10087 | free ((void *) separate_debug_filename); | |
10088 | separate_debug_filename = NULL; | |
10089 | } | |
19e6b90e L |
10090 | } |
10091 | ||
4cb93e3b TG |
10092 | void |
10093 | dwarf_select_sections_by_names (const char *names) | |
10094 | { | |
10095 | typedef struct | |
10096 | { | |
10097 | const char * option; | |
10098 | int * variable; | |
f9f0e732 | 10099 | int val; |
4cb93e3b TG |
10100 | } |
10101 | debug_dump_long_opts; | |
10102 | ||
10103 | static const debug_dump_long_opts opts_table [] = | |
10104 | { | |
10105 | /* Please keep this table alpha- sorted. */ | |
10106 | { "Ranges", & do_debug_ranges, 1 }, | |
10107 | { "abbrev", & do_debug_abbrevs, 1 }, | |
657d0d47 | 10108 | { "addr", & do_debug_addr, 1 }, |
4cb93e3b | 10109 | { "aranges", & do_debug_aranges, 1 }, |
657d0d47 CC |
10110 | { "cu_index", & do_debug_cu_index, 1 }, |
10111 | { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED }, | |
dda8d76d | 10112 | { "follow-links", & do_follow_links, 1 }, |
4cb93e3b TG |
10113 | { "frames", & do_debug_frames, 1 }, |
10114 | { "frames-interp", & do_debug_frames_interp, 1 }, | |
657d0d47 CC |
10115 | /* The special .gdb_index section. */ |
10116 | { "gdb_index", & do_gdb_index, 1 }, | |
4cb93e3b TG |
10117 | { "info", & do_debug_info, 1 }, |
10118 | { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */ | |
dda8d76d | 10119 | { "links", & do_debug_links, 1 }, |
4cb93e3b TG |
10120 | { "loc", & do_debug_loc, 1 }, |
10121 | { "macro", & do_debug_macinfo, 1 }, | |
10122 | { "pubnames", & do_debug_pubnames, 1 }, | |
357da287 | 10123 | { "pubtypes", & do_debug_pubtypes, 1 }, |
222c2bf0 | 10124 | /* This entry is for compatibility |
4cb93e3b TG |
10125 | with earlier versions of readelf. */ |
10126 | { "ranges", & do_debug_aranges, 1 }, | |
657d0d47 | 10127 | { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, |
4cb93e3b | 10128 | { "str", & do_debug_str, 1 }, |
6f875884 TG |
10129 | /* These trace_* sections are used by Itanium VMS. */ |
10130 | { "trace_abbrev", & do_trace_abbrevs, 1 }, | |
10131 | { "trace_aranges", & do_trace_aranges, 1 }, | |
10132 | { "trace_info", & do_trace_info, 1 }, | |
4cb93e3b TG |
10133 | { NULL, NULL, 0 } |
10134 | }; | |
10135 | ||
10136 | const char *p; | |
467c65bc | 10137 | |
4cb93e3b TG |
10138 | p = names; |
10139 | while (*p) | |
10140 | { | |
10141 | const debug_dump_long_opts * entry; | |
467c65bc | 10142 | |
4cb93e3b TG |
10143 | for (entry = opts_table; entry->option; entry++) |
10144 | { | |
10145 | size_t len = strlen (entry->option); | |
467c65bc | 10146 | |
4cb93e3b TG |
10147 | if (strncmp (p, entry->option, len) == 0 |
10148 | && (p[len] == ',' || p[len] == '\0')) | |
10149 | { | |
10150 | * entry->variable |= entry->val; | |
467c65bc | 10151 | |
4cb93e3b TG |
10152 | /* The --debug-dump=frames-interp option also |
10153 | enables the --debug-dump=frames option. */ | |
10154 | if (do_debug_frames_interp) | |
10155 | do_debug_frames = 1; | |
10156 | ||
10157 | p += len; | |
10158 | break; | |
10159 | } | |
10160 | } | |
467c65bc | 10161 | |
4cb93e3b TG |
10162 | if (entry->option == NULL) |
10163 | { | |
10164 | warn (_("Unrecognized debug option '%s'\n"), p); | |
10165 | p = strchr (p, ','); | |
10166 | if (p == NULL) | |
10167 | break; | |
10168 | } | |
467c65bc | 10169 | |
4cb93e3b TG |
10170 | if (*p == ',') |
10171 | p++; | |
10172 | } | |
10173 | } | |
10174 | ||
10175 | void | |
10176 | dwarf_select_sections_by_letters (const char *letters) | |
10177 | { | |
91d6fa6a | 10178 | unsigned int lindex = 0; |
4cb93e3b | 10179 | |
91d6fa6a NC |
10180 | while (letters[lindex]) |
10181 | switch (letters[lindex++]) | |
4cb93e3b | 10182 | { |
dda8d76d NC |
10183 | case 'A': do_debug_addr = 1; break; |
10184 | case 'a': do_debug_abbrevs = 1; break; | |
10185 | case 'c': do_debug_cu_index = 1; break; | |
10186 | case 'F': do_debug_frames_interp = 1; /* Fall through. */ | |
10187 | case 'f': do_debug_frames = 1; break; | |
10188 | case 'g': do_gdb_index = 1; break; | |
10189 | case 'i': do_debug_info = 1; break; | |
10190 | case 'K': do_follow_links = 1; break; | |
10191 | case 'k': do_debug_links = 1; break; | |
10192 | case 'l': do_debug_lines |= FLAG_DEBUG_LINES_RAW; break; | |
10193 | case 'L': do_debug_lines |= FLAG_DEBUG_LINES_DECODED; break; | |
10194 | case 'm': do_debug_macinfo = 1; break; | |
10195 | case 'o': do_debug_loc = 1; break; | |
10196 | case 'p': do_debug_pubnames = 1; break; | |
10197 | case 'R': do_debug_ranges = 1; break; | |
10198 | case 'r': do_debug_aranges = 1; break; | |
10199 | case 's': do_debug_str = 1; break; | |
10200 | case 'T': do_trace_aranges = 1; break; | |
10201 | case 't': do_debug_pubtypes = 1; break; | |
10202 | case 'U': do_trace_info = 1; break; | |
10203 | case 'u': do_trace_abbrevs = 1; break; | |
467c65bc | 10204 | |
4cb93e3b | 10205 | default: |
7cc78d07 | 10206 | warn (_("Unrecognized debug option '%s'\n"), letters); |
4cb93e3b TG |
10207 | break; |
10208 | } | |
10209 | } | |
10210 | ||
10211 | void | |
10212 | dwarf_select_sections_all (void) | |
10213 | { | |
10214 | do_debug_info = 1; | |
10215 | do_debug_abbrevs = 1; | |
10216 | do_debug_lines = FLAG_DEBUG_LINES_RAW; | |
10217 | do_debug_pubnames = 1; | |
f9f0e732 | 10218 | do_debug_pubtypes = 1; |
4cb93e3b TG |
10219 | do_debug_aranges = 1; |
10220 | do_debug_ranges = 1; | |
10221 | do_debug_frames = 1; | |
10222 | do_debug_macinfo = 1; | |
10223 | do_debug_str = 1; | |
10224 | do_debug_loc = 1; | |
5bbdf3d5 | 10225 | do_gdb_index = 1; |
6f875884 TG |
10226 | do_trace_info = 1; |
10227 | do_trace_abbrevs = 1; | |
10228 | do_trace_aranges = 1; | |
657d0d47 CC |
10229 | do_debug_addr = 1; |
10230 | do_debug_cu_index = 1; | |
dda8d76d NC |
10231 | do_follow_links = 1; |
10232 | do_debug_links = 1; | |
4cb93e3b TG |
10233 | } |
10234 | ||
dda8d76d NC |
10235 | #define NO_ABBREVS NULL, NULL, NULL, 0, 0, 0, NULL, 0, NULL |
10236 | #define ABBREV(N) NULL, NULL, NULL, 0, 0, N, NULL, 0, NULL | |
10237 | ||
10238 | /* N.B. The order here must match the order in section_display_enum. */ | |
10239 | ||
19e6b90e L |
10240 | struct dwarf_section_display debug_displays[] = |
10241 | { | |
dda8d76d NC |
10242 | { { ".debug_abbrev", ".zdebug_abbrev", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE }, |
10243 | { { ".debug_aranges", ".zdebug_aranges", NO_ABBREVS }, display_debug_aranges, &do_debug_aranges, TRUE }, | |
10244 | { { ".debug_frame", ".zdebug_frame", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE }, | |
10245 | { { ".debug_info", ".zdebug_info", ABBREV (abbrev)}, display_debug_info, &do_debug_info, TRUE }, | |
10246 | { { ".debug_line", ".zdebug_line", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE }, | |
10247 | { { ".debug_pubnames", ".zdebug_pubnames", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubnames, FALSE }, | |
10248 | { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubnames, FALSE }, | |
10249 | { { ".eh_frame", "", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE }, | |
10250 | { { ".debug_macinfo", ".zdebug_macinfo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE }, | |
10251 | { { ".debug_macro", ".zdebug_macro", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE }, | |
10252 | { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE }, | |
10253 | { { ".debug_line_str", ".zdebug_line_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE }, | |
10254 | { { ".debug_loc", ".zdebug_loc", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE }, | |
10255 | { { ".debug_loclists", ".zdebug_loclists", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE }, | |
10256 | { { ".debug_pubtypes", ".zdebug_pubtypes", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubtypes, FALSE }, | |
10257 | { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubtypes, FALSE }, | |
10258 | { { ".debug_ranges", ".zdebug_ranges", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE }, | |
10259 | { { ".debug_rnglists", ".zdebug_rnglists", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE }, | |
10260 | { { ".debug_static_func", ".zdebug_static_func", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE }, | |
10261 | { { ".debug_static_vars", ".zdebug_static_vars", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE }, | |
10262 | { { ".debug_types", ".zdebug_types", ABBREV (abbrev) }, display_debug_types, &do_debug_info, TRUE }, | |
10263 | { { ".debug_weaknames", ".zdebug_weaknames", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE }, | |
10264 | { { ".gdb_index", "", NO_ABBREVS }, display_gdb_index, &do_gdb_index, FALSE }, | |
10265 | { { ".debug_names", "", NO_ABBREVS }, display_debug_names, &do_gdb_index, FALSE }, | |
10266 | { { ".trace_info", "", ABBREV (trace_abbrev) }, display_trace_info, &do_trace_info, TRUE }, | |
10267 | { { ".trace_abbrev", "", NO_ABBREVS }, display_debug_abbrev, &do_trace_abbrevs, FALSE }, | |
10268 | { { ".trace_aranges", "", NO_ABBREVS }, display_debug_aranges, &do_trace_aranges, FALSE }, | |
10269 | { { ".debug_info.dwo", ".zdebug_info.dwo", ABBREV (abbrev_dwo) }, display_debug_info, &do_debug_info, TRUE }, | |
10270 | { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE }, | |
10271 | { { ".debug_types.dwo", ".zdebug_types.dwo", ABBREV (abbrev_dwo) }, display_debug_types, &do_debug_info, TRUE }, | |
10272 | { { ".debug_line.dwo", ".zdebug_line.dwo", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE }, | |
10273 | { { ".debug_loc.dwo", ".zdebug_loc.dwo", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE }, | |
10274 | { { ".debug_macro.dwo", ".zdebug_macro.dwo", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE }, | |
10275 | { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE }, | |
10276 | { { ".debug_str.dwo", ".zdebug_str.dwo", NO_ABBREVS }, display_debug_str, &do_debug_str, TRUE }, | |
10277 | { { ".debug_str_offsets", ".zdebug_str_offsets", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE }, | |
10278 | { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE }, | |
10279 | { { ".debug_addr", ".zdebug_addr", NO_ABBREVS }, display_debug_addr, &do_debug_addr, TRUE }, | |
10280 | { { ".debug_cu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE }, | |
10281 | { { ".debug_tu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE }, | |
10282 | { { ".gnu_debuglink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE }, | |
10283 | { { ".gnu_debugaltlink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE }, | |
10284 | /* Separate debug info files can containt their own .debug_str section, | |
10285 | and this might be in *addition* to a .debug_str section already present | |
10286 | in the main file. Hence we need to have two entries for .debug_str. */ | |
10287 | { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE }, | |
19e6b90e | 10288 | }; |
b451e98a JK |
10289 | |
10290 | /* A static assertion. */ | |
10291 | extern int debug_displays_assert[ARRAY_SIZE (debug_displays) == max ? 1 : -1]; |