Commit | Line | Data |
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19e6b90e | 1 | /* dwarf.c -- display DWARF contents of a BFD binary file |
82704155 | 2 | Copyright (C) 2005-2019 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" |
48467cb9 | 32 | #include "safe-ctype.h" |
61364358 JK |
33 | #include <assert.h> |
34 | ||
35 | #undef MAX | |
36 | #undef MIN | |
37 | #define MAX(a, b) ((a) > (b) ? (a) : (b)) | |
38 | #define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
19e6b90e | 39 | |
18464d4d JK |
40 | static const char *regname (unsigned int regno, int row); |
41 | ||
19e6b90e L |
42 | static int have_frame_base; |
43 | static int need_base_address; | |
44 | ||
19e6b90e | 45 | static unsigned int num_debug_info_entries = 0; |
82b1b41b | 46 | static unsigned int alloc_num_debug_info_entries = 0; |
19e6b90e | 47 | static debug_info *debug_information = NULL; |
cc86f28f NC |
48 | /* Special value for num_debug_info_entries to indicate |
49 | that the .debug_info section could not be loaded/parsed. */ | |
50 | #define DEBUG_INFO_UNAVAILABLE (unsigned int) -1 | |
19e6b90e | 51 | |
24841daa NC |
52 | /* A .debug_info section can contain multiple links to separate |
53 | DWO object files. We use these structures to record these links. */ | |
54 | typedef enum dwo_type | |
55 | { | |
56 | DWO_NAME, | |
57 | DWO_DIR, | |
58 | DWO_ID | |
59 | } dwo_type; | |
60 | ||
61 | typedef struct dwo_info | |
62 | { | |
63 | dwo_type type; | |
64 | const char * value; | |
65 | struct dwo_info * next; | |
66 | } dwo_info; | |
67 | ||
68 | static dwo_info * first_dwo_info = NULL; | |
69 | static bfd_boolean need_dwo_info; | |
70 | ||
71 | separate_info * first_separate_info = NULL; | |
d85bf2ba | 72 | |
77ef8654 | 73 | unsigned int eh_addr_size; |
19e6b90e L |
74 | |
75 | int do_debug_info; | |
76 | int do_debug_abbrevs; | |
77 | int do_debug_lines; | |
78 | int do_debug_pubnames; | |
f9f0e732 | 79 | int do_debug_pubtypes; |
19e6b90e L |
80 | int do_debug_aranges; |
81 | int do_debug_ranges; | |
82 | int do_debug_frames; | |
83 | int do_debug_frames_interp; | |
84 | int do_debug_macinfo; | |
85 | int do_debug_str; | |
86 | int do_debug_loc; | |
5bbdf3d5 | 87 | int do_gdb_index; |
6f875884 TG |
88 | int do_trace_info; |
89 | int do_trace_abbrevs; | |
90 | int do_trace_aranges; | |
657d0d47 CC |
91 | int do_debug_addr; |
92 | int do_debug_cu_index; | |
a262ae96 | 93 | int do_wide; |
dda8d76d NC |
94 | int do_debug_links; |
95 | int do_follow_links; | |
19e6b90e | 96 | |
fd2f0033 TT |
97 | int dwarf_cutoff_level = -1; |
98 | unsigned long dwarf_start_die; | |
99 | ||
4723351a CC |
100 | int dwarf_check = 0; |
101 | ||
9f272209 AO |
102 | /* Convenient constant, to avoid having to cast -1 to dwarf_vma when |
103 | testing whether e.g. a locview list is present. */ | |
104 | static const dwarf_vma vm1 = -1; | |
105 | ||
341f9135 CC |
106 | /* Collection of CU/TU section sets from .debug_cu_index and .debug_tu_index |
107 | sections. For version 1 package files, each set is stored in SHNDX_POOL | |
108 | as a zero-terminated list of section indexes comprising one set of debug | |
109 | sections from a .dwo file. */ | |
110 | ||
341f9135 CC |
111 | static unsigned int *shndx_pool = NULL; |
112 | static unsigned int shndx_pool_size = 0; | |
113 | static unsigned int shndx_pool_used = 0; | |
114 | ||
115 | /* For version 2 package files, each set contains an array of section offsets | |
116 | and an array of section sizes, giving the offset and size of the | |
117 | contribution from a CU or TU within one of the debug sections. | |
118 | When displaying debug info from a package file, we need to use these | |
119 | tables to locate the corresponding contributions to each section. */ | |
120 | ||
121 | struct cu_tu_set | |
122 | { | |
ec1b0fbb NC |
123 | uint64_t signature; |
124 | dwarf_vma section_offsets[DW_SECT_MAX]; | |
125 | size_t section_sizes[DW_SECT_MAX]; | |
341f9135 CC |
126 | }; |
127 | ||
128 | static int cu_count = 0; | |
129 | static int tu_count = 0; | |
130 | static struct cu_tu_set *cu_sets = NULL; | |
131 | static struct cu_tu_set *tu_sets = NULL; | |
132 | ||
43a444f9 | 133 | static bfd_boolean load_cu_tu_indexes (void *); |
341f9135 | 134 | |
ec1b0fbb NC |
135 | /* An array that indicates for a given level of CU nesting whether |
136 | the latest DW_AT_type seen for that level was a signed type or | |
137 | an unsigned type. */ | |
138 | #define MAX_CU_NESTING (1 << 8) | |
139 | static bfd_boolean level_type_signed[MAX_CU_NESTING]; | |
140 | ||
4cb93e3b TG |
141 | /* Values for do_debug_lines. */ |
142 | #define FLAG_DEBUG_LINES_RAW 1 | |
143 | #define FLAG_DEBUG_LINES_DECODED 2 | |
144 | ||
77ef8654 | 145 | static unsigned int |
f1c4cc75 RH |
146 | size_of_encoded_value (int encoding) |
147 | { | |
148 | switch (encoding & 0x7) | |
149 | { | |
150 | default: /* ??? */ | |
151 | case 0: return eh_addr_size; | |
152 | case 2: return 2; | |
153 | case 3: return 4; | |
154 | case 4: return 8; | |
155 | } | |
156 | } | |
157 | ||
158 | static dwarf_vma | |
041830e0 | 159 | get_encoded_value (unsigned char **pdata, |
bad62cf5 | 160 | int encoding, |
041830e0 NC |
161 | struct dwarf_section *section, |
162 | unsigned char * end) | |
f1c4cc75 | 163 | { |
041830e0 | 164 | unsigned char * data = * pdata; |
6937bb54 | 165 | unsigned int size = size_of_encoded_value (encoding); |
bad62cf5 | 166 | dwarf_vma val; |
f1c4cc75 | 167 | |
041830e0 NC |
168 | if (data + size >= end) |
169 | { | |
170 | warn (_("Encoded value extends past end of section\n")); | |
171 | * pdata = end; | |
172 | return 0; | |
173 | } | |
174 | ||
6937bb54 NC |
175 | /* PR 17512: file: 002-829853-0.004. */ |
176 | if (size > 8) | |
177 | { | |
178 | warn (_("Encoded size of %d is too large to read\n"), size); | |
179 | * pdata = end; | |
180 | return 0; | |
181 | } | |
182 | ||
0a9d414a NC |
183 | /* PR 17512: file: 1085-5603-0.004. */ |
184 | if (size == 0) | |
185 | { | |
186 | warn (_("Encoded size of 0 is too small to read\n")); | |
187 | * pdata = end; | |
188 | return 0; | |
189 | } | |
190 | ||
f1c4cc75 | 191 | if (encoding & DW_EH_PE_signed) |
bad62cf5 | 192 | val = byte_get_signed (data, size); |
f1c4cc75 | 193 | else |
bad62cf5 AM |
194 | val = byte_get (data, size); |
195 | ||
196 | if ((encoding & 0x70) == DW_EH_PE_pcrel) | |
197 | val += section->address + (data - section->start); | |
041830e0 NC |
198 | |
199 | * pdata = data + size; | |
bad62cf5 | 200 | return val; |
f1c4cc75 RH |
201 | } |
202 | ||
4c219c2e AM |
203 | #if defined HAVE_LONG_LONG && SIZEOF_LONG_LONG > SIZEOF_LONG |
204 | # ifndef __MINGW32__ | |
205 | # define DWARF_VMA_FMT "ll" | |
206 | # define DWARF_VMA_FMT_LONG "%16.16llx" | |
207 | # else | |
208 | # define DWARF_VMA_FMT "I64" | |
209 | # define DWARF_VMA_FMT_LONG "%016I64x" | |
210 | # endif | |
2e14fae2 | 211 | #else |
4c219c2e AM |
212 | # define DWARF_VMA_FMT "l" |
213 | # define DWARF_VMA_FMT_LONG "%16.16lx" | |
2d9472a2 NC |
214 | #endif |
215 | ||
bf5117e3 NC |
216 | /* Convert a dwarf vma value into a string. Returns a pointer to a static |
217 | buffer containing the converted VALUE. The value is converted according | |
218 | to the printf formating character FMTCH. If NUM_BYTES is non-zero then | |
219 | it specifies the maximum number of bytes to be displayed in the converted | |
220 | value and FMTCH is ignored - hex is always used. */ | |
467c65bc | 221 | |
47704ddf | 222 | static const char * |
bf5117e3 | 223 | dwarf_vmatoa_1 (const char *fmtch, dwarf_vma value, unsigned num_bytes) |
47704ddf KT |
224 | { |
225 | /* As dwarf_vmatoa is used more then once in a printf call | |
226 | for output, we are cycling through an fixed array of pointers | |
227 | for return address. */ | |
228 | static int buf_pos = 0; | |
467c65bc NC |
229 | static struct dwarf_vmatoa_buf |
230 | { | |
47704ddf KT |
231 | char place[64]; |
232 | } buf[16]; | |
47704ddf KT |
233 | char *ret; |
234 | ||
47704ddf | 235 | ret = buf[buf_pos++].place; |
467c65bc | 236 | buf_pos %= ARRAY_SIZE (buf); |
47704ddf | 237 | |
bf5117e3 NC |
238 | if (num_bytes) |
239 | { | |
222c2bf0 | 240 | /* Printf does not have a way of specifying a maximum field width for an |
bf5117e3 NC |
241 | integer value, so we print the full value into a buffer and then select |
242 | the precision we need. */ | |
243 | snprintf (ret, sizeof (buf[0].place), DWARF_VMA_FMT_LONG, value); | |
244 | if (num_bytes > 8) | |
245 | num_bytes = 8; | |
246 | return ret + (16 - 2 * num_bytes); | |
247 | } | |
248 | else | |
249 | { | |
250 | char fmt[32]; | |
251 | ||
0bae9e9e NC |
252 | if (fmtch) |
253 | sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch); | |
254 | else | |
255 | sprintf (fmt, "%%%s", DWARF_VMA_FMT); | |
bf5117e3 NC |
256 | snprintf (ret, sizeof (buf[0].place), fmt, value); |
257 | return ret; | |
258 | } | |
259 | } | |
47704ddf | 260 | |
bf5117e3 NC |
261 | static inline const char * |
262 | dwarf_vmatoa (const char * fmtch, dwarf_vma value) | |
263 | { | |
264 | return dwarf_vmatoa_1 (fmtch, value, 0); | |
265 | } | |
266 | ||
267 | /* Print a dwarf_vma value (typically an address, offset or length) in | |
268 | hexadecimal format, followed by a space. The length of the VALUE (and | |
269 | hence the precision displayed) is determined by the NUM_BYTES parameter. */ | |
270 | ||
271 | static void | |
272 | print_dwarf_vma (dwarf_vma value, unsigned num_bytes) | |
273 | { | |
274 | printf ("%s ", dwarf_vmatoa_1 (NULL, value, num_bytes)); | |
47704ddf KT |
275 | } |
276 | ||
9f272209 AO |
277 | /* Print a view number in hexadecimal value, with the same width |
278 | print_dwarf_vma would have printed it with the same num_bytes. | |
279 | Print blanks for zero view, unless force is nonzero. */ | |
280 | ||
281 | static void | |
282 | print_dwarf_view (dwarf_vma value, unsigned num_bytes, int force) | |
283 | { | |
284 | int len; | |
285 | if (!num_bytes) | |
286 | len = 4; | |
287 | else | |
288 | len = num_bytes * 2; | |
289 | ||
290 | assert (value == (unsigned long) value); | |
291 | if (value || force) | |
292 | printf ("v%0*lx ", len - 1, (unsigned long) value); | |
293 | else | |
294 | printf ("%*s", len + 1, ""); | |
295 | } | |
296 | ||
74bc6052 CC |
297 | /* Format a 64-bit value, given as two 32-bit values, in hex. |
298 | For reentrancy, this uses a buffer provided by the caller. */ | |
299 | ||
300 | static const char * | |
301 | dwarf_vmatoa64 (dwarf_vma hvalue, dwarf_vma lvalue, char *buf, | |
302 | unsigned int buf_len) | |
303 | { | |
304 | int len = 0; | |
305 | ||
306 | if (hvalue == 0) | |
307 | snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", lvalue); | |
308 | else | |
309 | { | |
310 | len = snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", hvalue); | |
311 | snprintf (buf + len, buf_len - len, | |
312 | "%08" DWARF_VMA_FMT "x", lvalue); | |
313 | } | |
314 | ||
315 | return buf; | |
316 | } | |
317 | ||
f6f0e17b NC |
318 | /* Read in a LEB128 encoded value starting at address DATA. |
319 | If SIGN is true, return a signed LEB128 value. | |
320 | If LENGTH_RETURN is not NULL, return in it the number of bytes read. | |
321 | No bytes will be read at address END or beyond. */ | |
322 | ||
467c65bc | 323 | dwarf_vma |
f6f0e17b NC |
324 | read_leb128 (unsigned char *data, |
325 | unsigned int *length_return, | |
326 | bfd_boolean sign, | |
327 | const unsigned char * const end) | |
19e6b90e | 328 | { |
467c65bc | 329 | dwarf_vma result = 0; |
19e6b90e L |
330 | unsigned int num_read = 0; |
331 | unsigned int shift = 0; | |
f6f0e17b | 332 | unsigned char byte = 0; |
19e6b90e | 333 | |
f6f0e17b | 334 | while (data < end) |
19e6b90e L |
335 | { |
336 | byte = *data++; | |
337 | num_read++; | |
338 | ||
467c65bc | 339 | result |= ((dwarf_vma) (byte & 0x7f)) << shift; |
19e6b90e L |
340 | |
341 | shift += 7; | |
f6f0e17b NC |
342 | if ((byte & 0x80) == 0) |
343 | break; | |
77ef8654 NC |
344 | |
345 | /* PR 17512: file: 0ca183b8. | |
346 | FIXME: Should we signal this error somehow ? */ | |
f641dd96 | 347 | if (shift >= sizeof (result) * 8) |
77ef8654 | 348 | break; |
19e6b90e | 349 | } |
19e6b90e L |
350 | |
351 | if (length_return != NULL) | |
352 | *length_return = num_read; | |
353 | ||
354 | if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40)) | |
c4e0beac | 355 | result |= -((dwarf_vma) 1 << shift); |
19e6b90e L |
356 | |
357 | return result; | |
358 | } | |
359 | ||
467c65bc | 360 | /* Create a signed version to avoid painful typecasts. */ |
f6f0e17b NC |
361 | static inline dwarf_signed_vma |
362 | read_sleb128 (unsigned char * data, | |
363 | unsigned int * length_return, | |
364 | const unsigned char * const end) | |
365 | { | |
366 | return (dwarf_signed_vma) read_leb128 (data, length_return, TRUE, end); | |
367 | } | |
368 | ||
369 | static inline dwarf_vma | |
370 | read_uleb128 (unsigned char * data, | |
371 | unsigned int * length_return, | |
372 | const unsigned char * const end) | |
467c65bc | 373 | { |
f6f0e17b | 374 | return read_leb128 (data, length_return, FALSE, end); |
467c65bc NC |
375 | } |
376 | ||
7f2c8a1d NC |
377 | #define SKIP_ULEB() read_uleb128 (start, & length_return, end); start += length_return |
378 | #define SKIP_SLEB() read_sleb128 (start, & length_return, end); start += length_return | |
379 | ||
380 | #define READ_ULEB(var) \ | |
381 | do \ | |
382 | { \ | |
383 | dwarf_vma _val; \ | |
384 | \ | |
385 | (var) = _val = read_uleb128 (start, &length_return, end); \ | |
386 | if ((var) != _val) \ | |
66cfc0fd AM |
387 | error (_("Internal error: %s:%d: LEB value (%s) " \ |
388 | "too large for containing variable\n"), \ | |
389 | __FILE__, __LINE__, dwarf_vmatoa ("u", _val)); \ | |
7f2c8a1d NC |
390 | start += length_return; \ |
391 | } \ | |
392 | while (0) | |
393 | ||
394 | #define READ_SLEB(var) \ | |
395 | do \ | |
396 | { \ | |
397 | dwarf_signed_vma _val; \ | |
398 | \ | |
399 | (var) = _val = read_sleb128 (start, &length_return, end); \ | |
400 | if ((var) != _val) \ | |
66cfc0fd AM |
401 | error (_("Internal error: %s:%d: LEB value (%s) " \ |
402 | "too large for containing variable\n"), \ | |
403 | __FILE__, __LINE__, dwarf_vmatoa ("d", _val)); \ | |
7f2c8a1d NC |
404 | start += length_return; \ |
405 | } \ | |
406 | while (0) | |
407 | ||
d11ae95e NC |
408 | /* Read AMOUNT bytes from PTR and store them in VAL as an unsigned value. |
409 | Checks to make sure that the read will not reach or pass END | |
410 | and that VAL is big enough to hold AMOUNT bytes. */ | |
0c588247 NC |
411 | #define SAFE_BYTE_GET(VAL, PTR, AMOUNT, END) \ |
412 | do \ | |
413 | { \ | |
414 | unsigned int amount = (AMOUNT); \ | |
34b9f729 NC |
415 | if (sizeof (VAL) < amount) \ |
416 | { \ | |
d3a49aa8 AM |
417 | error (ngettext ("internal error: attempt to read %d byte " \ |
418 | "of data in to %d sized variable", \ | |
419 | "internal error: attempt to read %d bytes " \ | |
420 | "of data in to %d sized variable", \ | |
421 | amount), \ | |
34b9f729 NC |
422 | amount, (int) sizeof (VAL)); \ |
423 | amount = sizeof (VAL); \ | |
424 | } \ | |
0c588247 NC |
425 | if (((PTR) + amount) >= (END)) \ |
426 | { \ | |
427 | if ((PTR) < (END)) \ | |
428 | amount = (END) - (PTR); \ | |
429 | else \ | |
430 | amount = 0; \ | |
431 | } \ | |
6937bb54 | 432 | if (amount == 0 || amount > 8) \ |
0c588247 | 433 | VAL = 0; \ |
6937bb54 NC |
434 | else \ |
435 | VAL = byte_get ((PTR), amount); \ | |
0c588247 NC |
436 | } \ |
437 | while (0) | |
438 | ||
d11ae95e | 439 | /* Like SAFE_BYTE_GET, but also increments PTR by AMOUNT. */ |
0c588247 NC |
440 | #define SAFE_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \ |
441 | do \ | |
442 | { \ | |
443 | SAFE_BYTE_GET (VAL, PTR, AMOUNT, END); \ | |
444 | PTR += AMOUNT; \ | |
445 | } \ | |
446 | while (0) | |
447 | ||
d11ae95e | 448 | /* Like SAFE_BYTE_GET, but reads a signed value. */ |
0c588247 NC |
449 | #define SAFE_SIGNED_BYTE_GET(VAL, PTR, AMOUNT, END) \ |
450 | do \ | |
451 | { \ | |
452 | unsigned int amount = (AMOUNT); \ | |
453 | if (((PTR) + amount) >= (END)) \ | |
454 | { \ | |
455 | if ((PTR) < (END)) \ | |
456 | amount = (END) - (PTR); \ | |
457 | else \ | |
458 | amount = 0; \ | |
459 | } \ | |
460 | if (amount) \ | |
461 | VAL = byte_get_signed ((PTR), amount); \ | |
462 | else \ | |
463 | VAL = 0; \ | |
464 | } \ | |
465 | while (0) | |
466 | ||
d11ae95e | 467 | /* Like SAFE_SIGNED_BYTE_GET, but also increments PTR by AMOUNT. */ |
0c588247 NC |
468 | #define SAFE_SIGNED_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \ |
469 | do \ | |
470 | { \ | |
471 | SAFE_SIGNED_BYTE_GET (VAL, PTR, AMOUNT, END); \ | |
472 | PTR += AMOUNT; \ | |
473 | } \ | |
474 | while (0) | |
475 | ||
476 | #define SAFE_BYTE_GET64(PTR, HIGH, LOW, END) \ | |
477 | do \ | |
478 | { \ | |
87bc83b3 | 479 | if (((PTR) + 8) <= (END)) \ |
0c588247 NC |
480 | { \ |
481 | byte_get_64 ((PTR), (HIGH), (LOW)); \ | |
482 | } \ | |
483 | else \ | |
484 | { \ | |
0c588247 NC |
485 | * (LOW) = * (HIGH) = 0; \ |
486 | } \ | |
487 | } \ | |
488 | while (0) | |
489 | ||
19e6b90e L |
490 | typedef struct State_Machine_Registers |
491 | { | |
467c65bc | 492 | dwarf_vma address; |
ba8826a8 | 493 | unsigned int view; |
19e6b90e L |
494 | unsigned int file; |
495 | unsigned int line; | |
496 | unsigned int column; | |
497 | int is_stmt; | |
498 | int basic_block; | |
a233b20c JJ |
499 | unsigned char op_index; |
500 | unsigned char end_sequence; | |
ba8826a8 AO |
501 | /* This variable hold the number of the last entry seen |
502 | in the File Table. */ | |
19e6b90e L |
503 | unsigned int last_file_entry; |
504 | } SMR; | |
505 | ||
506 | static SMR state_machine_regs; | |
507 | ||
508 | static void | |
509 | reset_state_machine (int is_stmt) | |
510 | { | |
511 | state_machine_regs.address = 0; | |
ba8826a8 | 512 | state_machine_regs.view = 0; |
a233b20c | 513 | state_machine_regs.op_index = 0; |
19e6b90e L |
514 | state_machine_regs.file = 1; |
515 | state_machine_regs.line = 1; | |
516 | state_machine_regs.column = 0; | |
517 | state_machine_regs.is_stmt = is_stmt; | |
518 | state_machine_regs.basic_block = 0; | |
519 | state_machine_regs.end_sequence = 0; | |
520 | state_machine_regs.last_file_entry = 0; | |
521 | } | |
522 | ||
523 | /* Handled an extend line op. | |
524 | Returns the number of bytes read. */ | |
525 | ||
526 | static int | |
f6f0e17b NC |
527 | process_extended_line_op (unsigned char * data, |
528 | int is_stmt, | |
529 | unsigned char * end) | |
19e6b90e L |
530 | { |
531 | unsigned char op_code; | |
532 | unsigned int bytes_read; | |
533 | unsigned int len; | |
534 | unsigned char *name; | |
143a3db0 | 535 | unsigned char *orig_data = data; |
f6f0e17b | 536 | dwarf_vma adr; |
19e6b90e | 537 | |
f6f0e17b | 538 | len = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
539 | data += bytes_read; |
540 | ||
e44c58ce | 541 | if (len == 0 || data == end || len > (uintptr_t) (end - data)) |
19e6b90e | 542 | { |
f41e4712 | 543 | warn (_("Badly formed extended line op encountered!\n")); |
19e6b90e L |
544 | return bytes_read; |
545 | } | |
546 | ||
547 | len += bytes_read; | |
548 | op_code = *data++; | |
549 | ||
550 | printf (_(" Extended opcode %d: "), op_code); | |
551 | ||
552 | switch (op_code) | |
553 | { | |
554 | case DW_LNE_end_sequence: | |
555 | printf (_("End of Sequence\n\n")); | |
556 | reset_state_machine (is_stmt); | |
557 | break; | |
558 | ||
559 | case DW_LNE_set_address: | |
6937bb54 NC |
560 | /* PR 17512: file: 002-100480-0.004. */ |
561 | if (len - bytes_read - 1 > 8) | |
77ef8654 NC |
562 | { |
563 | warn (_("Length (%d) of DW_LNE_set_address op is too long\n"), | |
564 | len - bytes_read - 1); | |
565 | adr = 0; | |
566 | } | |
567 | else | |
568 | SAFE_BYTE_GET (adr, data, len - bytes_read - 1, end); | |
47704ddf | 569 | printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr)); |
19e6b90e | 570 | state_machine_regs.address = adr; |
ba8826a8 | 571 | state_machine_regs.view = 0; |
a233b20c | 572 | state_machine_regs.op_index = 0; |
19e6b90e L |
573 | break; |
574 | ||
575 | case DW_LNE_define_file: | |
143a3db0 | 576 | printf (_("define new File Table entry\n")); |
19e6b90e | 577 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); |
cc5914eb | 578 | printf (" %d\t", ++state_machine_regs.last_file_entry); |
f6f0e17b | 579 | |
d949ff56 NC |
580 | { |
581 | size_t l; | |
582 | ||
583 | name = data; | |
584 | l = strnlen ((char *) data, end - data); | |
585 | data += len + 1; | |
586 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
587 | data += bytes_read; | |
588 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
589 | data += bytes_read; | |
590 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
591 | data += bytes_read; | |
592 | printf ("%.*s\n\n", (int) l, name); | |
593 | } | |
f6f0e17b NC |
594 | |
595 | if (((unsigned int) (data - orig_data) != len) || data == end) | |
b4eb7656 | 596 | warn (_("DW_LNE_define_file: Bad opcode length\n")); |
19e6b90e L |
597 | break; |
598 | ||
ed4a4bdf | 599 | case DW_LNE_set_discriminator: |
47704ddf | 600 | printf (_("set Discriminator to %s\n"), |
f6f0e17b | 601 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); |
ed4a4bdf CC |
602 | break; |
603 | ||
e2a0d921 NC |
604 | /* HP extensions. */ |
605 | case DW_LNE_HP_negate_is_UV_update: | |
ed4a4bdf | 606 | printf ("DW_LNE_HP_negate_is_UV_update\n"); |
e2a0d921 NC |
607 | break; |
608 | case DW_LNE_HP_push_context: | |
ed4a4bdf | 609 | printf ("DW_LNE_HP_push_context\n"); |
e2a0d921 NC |
610 | break; |
611 | case DW_LNE_HP_pop_context: | |
ed4a4bdf | 612 | printf ("DW_LNE_HP_pop_context\n"); |
e2a0d921 NC |
613 | break; |
614 | case DW_LNE_HP_set_file_line_column: | |
ed4a4bdf | 615 | printf ("DW_LNE_HP_set_file_line_column\n"); |
e2a0d921 NC |
616 | break; |
617 | case DW_LNE_HP_set_routine_name: | |
ed4a4bdf | 618 | printf ("DW_LNE_HP_set_routine_name\n"); |
e2a0d921 NC |
619 | break; |
620 | case DW_LNE_HP_set_sequence: | |
ed4a4bdf | 621 | printf ("DW_LNE_HP_set_sequence\n"); |
e2a0d921 NC |
622 | break; |
623 | case DW_LNE_HP_negate_post_semantics: | |
ed4a4bdf | 624 | printf ("DW_LNE_HP_negate_post_semantics\n"); |
e2a0d921 NC |
625 | break; |
626 | case DW_LNE_HP_negate_function_exit: | |
ed4a4bdf | 627 | printf ("DW_LNE_HP_negate_function_exit\n"); |
e2a0d921 NC |
628 | break; |
629 | case DW_LNE_HP_negate_front_end_logical: | |
ed4a4bdf | 630 | printf ("DW_LNE_HP_negate_front_end_logical\n"); |
e2a0d921 NC |
631 | break; |
632 | case DW_LNE_HP_define_proc: | |
ed4a4bdf | 633 | printf ("DW_LNE_HP_define_proc\n"); |
e2a0d921 | 634 | break; |
43294ab7 TG |
635 | case DW_LNE_HP_source_file_correlation: |
636 | { | |
b4eb7656 AM |
637 | unsigned char *edata = data + len - bytes_read - 1; |
638 | ||
639 | printf ("DW_LNE_HP_source_file_correlation\n"); | |
640 | ||
641 | while (data < edata) | |
642 | { | |
643 | unsigned int opc; | |
644 | ||
645 | opc = read_uleb128 (data, & bytes_read, edata); | |
646 | data += bytes_read; | |
647 | ||
648 | switch (opc) | |
649 | { | |
650 | case DW_LNE_HP_SFC_formfeed: | |
651 | printf (" DW_LNE_HP_SFC_formfeed\n"); | |
652 | break; | |
653 | case DW_LNE_HP_SFC_set_listing_line: | |
654 | printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n", | |
655 | dwarf_vmatoa ("u", | |
656 | read_uleb128 (data, & bytes_read, edata))); | |
657 | data += bytes_read; | |
658 | break; | |
659 | case DW_LNE_HP_SFC_associate: | |
660 | printf (" DW_LNE_HP_SFC_associate "); | |
661 | printf ("(%s", | |
662 | dwarf_vmatoa ("u", | |
663 | read_uleb128 (data, & bytes_read, edata))); | |
664 | data += bytes_read; | |
665 | printf (",%s", | |
666 | dwarf_vmatoa ("u", | |
667 | read_uleb128 (data, & bytes_read, edata))); | |
668 | data += bytes_read; | |
669 | printf (",%s)\n", | |
670 | dwarf_vmatoa ("u", | |
671 | read_uleb128 (data, & bytes_read, edata))); | |
672 | data += bytes_read; | |
673 | break; | |
674 | default: | |
675 | printf (_(" UNKNOWN DW_LNE_HP_SFC opcode (%u)\n"), opc); | |
676 | data = edata; | |
677 | break; | |
678 | } | |
679 | } | |
43294ab7 TG |
680 | } |
681 | break; | |
cecf136e | 682 | |
19e6b90e | 683 | default: |
7e665af3 | 684 | { |
b4eb7656 AM |
685 | unsigned int rlen = len - bytes_read - 1; |
686 | ||
687 | if (op_code >= DW_LNE_lo_user | |
688 | /* The test against DW_LNW_hi_user is redundant due to | |
689 | the limited range of the unsigned char data type used | |
690 | for op_code. */ | |
691 | /*&& op_code <= DW_LNE_hi_user*/) | |
692 | printf (_("user defined: ")); | |
693 | else | |
694 | printf (_("UNKNOWN: ")); | |
695 | printf (_("length %d ["), rlen); | |
696 | for (; rlen; rlen--) | |
697 | printf (" %02x", *data++); | |
698 | printf ("]\n"); | |
7e665af3 | 699 | } |
19e6b90e L |
700 | break; |
701 | } | |
702 | ||
703 | return len; | |
704 | } | |
705 | ||
0c588247 | 706 | static const unsigned char * |
467c65bc | 707 | fetch_indirect_string (dwarf_vma offset) |
19e6b90e L |
708 | { |
709 | struct dwarf_section *section = &debug_displays [str].section; | |
d949ff56 | 710 | const unsigned char * ret; |
19e6b90e L |
711 | |
712 | if (section->start == NULL) | |
0c588247 | 713 | return (const unsigned char *) _("<no .debug_str section>"); |
19e6b90e | 714 | |
d949ff56 | 715 | if (offset >= section->size) |
19e6b90e | 716 | { |
467c65bc NC |
717 | warn (_("DW_FORM_strp offset too big: %s\n"), |
718 | dwarf_vmatoa ("x", offset)); | |
0c588247 | 719 | return (const unsigned char *) _("<offset is too big>"); |
19e6b90e L |
720 | } |
721 | ||
d949ff56 NC |
722 | ret = section->start + offset; |
723 | /* Unfortunately we cannot rely upon the .debug_str section ending with a | |
724 | NUL byte. Since our caller is expecting to receive a well formed C | |
725 | string we test for the lack of a terminating byte here. */ | |
726 | if (strnlen ((const char *) ret, section->size - offset) | |
727 | == section->size - offset) | |
728 | ret = (const unsigned char *) | |
729 | _("<no NUL byte at end of .debug_str section>"); | |
730 | ||
731 | return ret; | |
19e6b90e L |
732 | } |
733 | ||
77145576 JK |
734 | static const unsigned char * |
735 | fetch_indirect_line_string (dwarf_vma offset) | |
736 | { | |
737 | struct dwarf_section *section = &debug_displays [line_str].section; | |
d949ff56 | 738 | const unsigned char * ret; |
77145576 JK |
739 | |
740 | if (section->start == NULL) | |
741 | return (const unsigned char *) _("<no .debug_line_str section>"); | |
742 | ||
d949ff56 | 743 | if (offset >= section->size) |
77145576 JK |
744 | { |
745 | warn (_("DW_FORM_line_strp offset too big: %s\n"), | |
746 | dwarf_vmatoa ("x", offset)); | |
747 | return (const unsigned char *) _("<offset is too big>"); | |
748 | } | |
749 | ||
d949ff56 NC |
750 | ret = section->start + offset; |
751 | /* Unfortunately we cannot rely upon the .debug_line_str section ending | |
752 | with a NUL byte. Since our caller is expecting to receive a well formed | |
753 | C string we test for the lack of a terminating byte here. */ | |
754 | if (strnlen ((const char *) ret, section->size - offset) | |
755 | == section->size - offset) | |
756 | ret = (const unsigned char *) | |
757 | _("<no NUL byte at end of .debug_line_str section>"); | |
758 | ||
759 | return ret; | |
77145576 JK |
760 | } |
761 | ||
4723351a | 762 | static const char * |
341f9135 | 763 | fetch_indexed_string (dwarf_vma idx, struct cu_tu_set *this_set, |
d85bf2ba | 764 | dwarf_vma offset_size, bfd_boolean dwo) |
4723351a CC |
765 | { |
766 | enum dwarf_section_display_enum str_sec_idx = dwo ? str_dwo : str; | |
767 | enum dwarf_section_display_enum idx_sec_idx = dwo ? str_index_dwo : str_index; | |
768 | struct dwarf_section *index_section = &debug_displays [idx_sec_idx].section; | |
769 | struct dwarf_section *str_section = &debug_displays [str_sec_idx].section; | |
770 | dwarf_vma index_offset = idx * offset_size; | |
771 | dwarf_vma str_offset; | |
d949ff56 | 772 | const char * ret; |
4723351a CC |
773 | |
774 | if (index_section->start == NULL) | |
775 | return (dwo ? _("<no .debug_str_offsets.dwo section>") | |
776 | : _("<no .debug_str_offsets section>")); | |
777 | ||
341f9135 CC |
778 | if (this_set != NULL) |
779 | index_offset += this_set->section_offsets [DW_SECT_STR_OFFSETS]; | |
d949ff56 | 780 | if (index_offset >= index_section->size) |
4723351a CC |
781 | { |
782 | warn (_("DW_FORM_GNU_str_index offset too big: %s\n"), | |
783 | dwarf_vmatoa ("x", index_offset)); | |
784 | return _("<index offset is too big>"); | |
785 | } | |
786 | ||
787 | if (str_section->start == NULL) | |
788 | return (dwo ? _("<no .debug_str.dwo section>") | |
789 | : _("<no .debug_str section>")); | |
790 | ||
791 | str_offset = byte_get (index_section->start + index_offset, offset_size); | |
792 | str_offset -= str_section->address; | |
d949ff56 | 793 | if (str_offset >= str_section->size) |
4723351a CC |
794 | { |
795 | warn (_("DW_FORM_GNU_str_index indirect offset too big: %s\n"), | |
796 | dwarf_vmatoa ("x", str_offset)); | |
797 | return _("<indirect index offset is too big>"); | |
798 | } | |
799 | ||
d949ff56 NC |
800 | ret = (const char *) str_section->start + str_offset; |
801 | /* Unfortunately we cannot rely upon str_section ending with a NUL byte. | |
802 | Since our caller is expecting to receive a well formed C string we test | |
803 | for the lack of a terminating byte here. */ | |
804 | if (strnlen (ret, str_section->size - str_offset) | |
805 | == str_section->size - str_offset) | |
806 | ret = (const char *) _("<no NUL byte at end of section>"); | |
807 | ||
808 | return ret; | |
4723351a CC |
809 | } |
810 | ||
811 | static const char * | |
812 | fetch_indexed_value (dwarf_vma offset, dwarf_vma bytes) | |
813 | { | |
814 | struct dwarf_section *section = &debug_displays [debug_addr].section; | |
815 | ||
816 | if (section->start == NULL) | |
817 | return (_("<no .debug_addr section>")); | |
818 | ||
819 | if (offset + bytes > section->size) | |
820 | { | |
821 | warn (_("Offset into section %s too big: %s\n"), | |
b4eb7656 | 822 | section->name, dwarf_vmatoa ("x", offset)); |
4723351a CC |
823 | return "<offset too big>"; |
824 | } | |
825 | ||
826 | return dwarf_vmatoa ("x", byte_get (section->start + offset, bytes)); | |
827 | } | |
828 | ||
829 | ||
19e6b90e L |
830 | /* FIXME: There are better and more efficient ways to handle |
831 | these structures. For now though, I just want something that | |
832 | is simple to implement. */ | |
833 | typedef struct abbrev_attr | |
834 | { | |
835 | unsigned long attribute; | |
836 | unsigned long form; | |
77145576 | 837 | bfd_signed_vma implicit_const; |
19e6b90e L |
838 | struct abbrev_attr *next; |
839 | } | |
840 | abbrev_attr; | |
841 | ||
842 | typedef struct abbrev_entry | |
843 | { | |
844 | unsigned long entry; | |
845 | unsigned long tag; | |
846 | int children; | |
847 | struct abbrev_attr *first_attr; | |
848 | struct abbrev_attr *last_attr; | |
849 | struct abbrev_entry *next; | |
850 | } | |
851 | abbrev_entry; | |
852 | ||
853 | static abbrev_entry *first_abbrev = NULL; | |
854 | static abbrev_entry *last_abbrev = NULL; | |
855 | ||
856 | static void | |
857 | free_abbrevs (void) | |
858 | { | |
91d6fa6a | 859 | abbrev_entry *abbrv; |
19e6b90e | 860 | |
91d6fa6a | 861 | for (abbrv = first_abbrev; abbrv;) |
19e6b90e | 862 | { |
91d6fa6a | 863 | abbrev_entry *next_abbrev = abbrv->next; |
19e6b90e L |
864 | abbrev_attr *attr; |
865 | ||
91d6fa6a | 866 | for (attr = abbrv->first_attr; attr;) |
19e6b90e | 867 | { |
91d6fa6a | 868 | abbrev_attr *next_attr = attr->next; |
19e6b90e L |
869 | |
870 | free (attr); | |
91d6fa6a | 871 | attr = next_attr; |
19e6b90e L |
872 | } |
873 | ||
91d6fa6a NC |
874 | free (abbrv); |
875 | abbrv = next_abbrev; | |
19e6b90e L |
876 | } |
877 | ||
878 | last_abbrev = first_abbrev = NULL; | |
879 | } | |
880 | ||
881 | static void | |
882 | add_abbrev (unsigned long number, unsigned long tag, int children) | |
883 | { | |
884 | abbrev_entry *entry; | |
885 | ||
3f5e193b | 886 | entry = (abbrev_entry *) malloc (sizeof (*entry)); |
19e6b90e L |
887 | if (entry == NULL) |
888 | /* ugg */ | |
889 | return; | |
890 | ||
891 | entry->entry = number; | |
892 | entry->tag = tag; | |
893 | entry->children = children; | |
894 | entry->first_attr = NULL; | |
895 | entry->last_attr = NULL; | |
896 | entry->next = NULL; | |
897 | ||
898 | if (first_abbrev == NULL) | |
899 | first_abbrev = entry; | |
900 | else | |
901 | last_abbrev->next = entry; | |
902 | ||
903 | last_abbrev = entry; | |
904 | } | |
905 | ||
906 | static void | |
77145576 JK |
907 | add_abbrev_attr (unsigned long attribute, unsigned long form, |
908 | bfd_signed_vma implicit_const) | |
19e6b90e L |
909 | { |
910 | abbrev_attr *attr; | |
911 | ||
3f5e193b | 912 | attr = (abbrev_attr *) malloc (sizeof (*attr)); |
19e6b90e L |
913 | if (attr == NULL) |
914 | /* ugg */ | |
915 | return; | |
916 | ||
917 | attr->attribute = attribute; | |
918 | attr->form = form; | |
77145576 | 919 | attr->implicit_const = implicit_const; |
19e6b90e L |
920 | attr->next = NULL; |
921 | ||
922 | if (last_abbrev->first_attr == NULL) | |
923 | last_abbrev->first_attr = attr; | |
924 | else | |
925 | last_abbrev->last_attr->next = attr; | |
926 | ||
927 | last_abbrev->last_attr = attr; | |
928 | } | |
929 | ||
930 | /* Processes the (partial) contents of a .debug_abbrev section. | |
931 | Returns NULL if the end of the section was encountered. | |
932 | Returns the address after the last byte read if the end of | |
933 | an abbreviation set was found. */ | |
934 | ||
935 | static unsigned char * | |
936 | process_abbrev_section (unsigned char *start, unsigned char *end) | |
937 | { | |
938 | if (first_abbrev != NULL) | |
939 | return NULL; | |
940 | ||
941 | while (start < end) | |
942 | { | |
943 | unsigned int bytes_read; | |
944 | unsigned long entry; | |
945 | unsigned long tag; | |
946 | unsigned long attribute; | |
947 | int children; | |
948 | ||
f6f0e17b | 949 | entry = read_uleb128 (start, & bytes_read, end); |
19e6b90e L |
950 | start += bytes_read; |
951 | ||
952 | /* A single zero is supposed to end the section according | |
953 | to the standard. If there's more, then signal that to | |
954 | the caller. */ | |
f6f0e17b NC |
955 | if (start == end) |
956 | return NULL; | |
19e6b90e | 957 | if (entry == 0) |
f6f0e17b | 958 | return start; |
19e6b90e | 959 | |
f6f0e17b | 960 | tag = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 961 | start += bytes_read; |
f6f0e17b NC |
962 | if (start == end) |
963 | return NULL; | |
19e6b90e L |
964 | |
965 | children = *start++; | |
966 | ||
967 | add_abbrev (entry, tag, children); | |
968 | ||
969 | do | |
970 | { | |
971 | unsigned long form; | |
77145576 JK |
972 | /* Initialize it due to a false compiler warning. */ |
973 | bfd_signed_vma implicit_const = -1; | |
19e6b90e | 974 | |
f6f0e17b | 975 | attribute = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 976 | start += bytes_read; |
f6f0e17b NC |
977 | if (start == end) |
978 | break; | |
19e6b90e | 979 | |
f6f0e17b | 980 | form = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 981 | start += bytes_read; |
f6f0e17b NC |
982 | if (start == end) |
983 | break; | |
19e6b90e | 984 | |
77145576 JK |
985 | if (form == DW_FORM_implicit_const) |
986 | { | |
987 | implicit_const = read_sleb128 (start, & bytes_read, end); | |
988 | start += bytes_read; | |
989 | if (start == end) | |
990 | break; | |
991 | } | |
992 | ||
993 | add_abbrev_attr (attribute, form, implicit_const); | |
19e6b90e L |
994 | } |
995 | while (attribute != 0); | |
996 | } | |
997 | ||
399c99f7 L |
998 | /* Report the missing single zero which ends the section. */ |
999 | error (_(".debug_abbrev section not zero terminated\n")); | |
1000 | ||
19e6b90e L |
1001 | return NULL; |
1002 | } | |
1003 | ||
a19c41a7 | 1004 | static const char * |
19e6b90e L |
1005 | get_TAG_name (unsigned long tag) |
1006 | { | |
04914e37 | 1007 | const char *name = get_DW_TAG_name ((unsigned int) tag); |
a19c41a7 TT |
1008 | |
1009 | if (name == NULL) | |
19e6b90e | 1010 | { |
a19c41a7 | 1011 | static char buffer[100]; |
19e6b90e | 1012 | |
04914e37 NC |
1013 | if (tag >= DW_TAG_lo_user && tag <= DW_TAG_hi_user) |
1014 | snprintf (buffer, sizeof (buffer), _("User TAG value: %#lx"), tag); | |
1015 | else | |
1016 | snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %#lx"), tag); | |
a19c41a7 | 1017 | return buffer; |
19e6b90e | 1018 | } |
a19c41a7 TT |
1019 | |
1020 | return name; | |
19e6b90e L |
1021 | } |
1022 | ||
a19c41a7 | 1023 | static const char * |
19e6b90e L |
1024 | get_FORM_name (unsigned long form) |
1025 | { | |
399c99f7 | 1026 | const char *name; |
bf5117e3 | 1027 | |
399c99f7 L |
1028 | if (form == 0) |
1029 | return "DW_FORM value: 0"; | |
a19c41a7 | 1030 | |
399c99f7 | 1031 | name = get_DW_FORM_name (form); |
a19c41a7 | 1032 | if (name == NULL) |
19e6b90e | 1033 | { |
a19c41a7 | 1034 | static char buffer[100]; |
19e6b90e | 1035 | |
a19c41a7 TT |
1036 | snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form); |
1037 | return buffer; | |
19e6b90e | 1038 | } |
a19c41a7 TT |
1039 | |
1040 | return name; | |
19e6b90e L |
1041 | } |
1042 | ||
61364358 JK |
1043 | static const char * |
1044 | get_IDX_name (unsigned long idx) | |
1045 | { | |
1046 | const char *name = get_DW_IDX_name ((unsigned int) idx); | |
1047 | ||
1048 | if (name == NULL) | |
1049 | { | |
1050 | static char buffer[100]; | |
1051 | ||
1052 | snprintf (buffer, sizeof (buffer), _("Unknown IDX value: %lx"), idx); | |
1053 | return buffer; | |
1054 | } | |
1055 | ||
1056 | return name; | |
1057 | } | |
1058 | ||
19e6b90e | 1059 | static unsigned char * |
0c588247 NC |
1060 | display_block (unsigned char *data, |
1061 | dwarf_vma length, | |
ef0b5f1c | 1062 | const unsigned char * const end, char delimiter) |
19e6b90e | 1063 | { |
0c588247 NC |
1064 | dwarf_vma maxlen; |
1065 | ||
ef0b5f1c | 1066 | printf (_("%c%s byte block: "), delimiter, dwarf_vmatoa ("u", length)); |
a1165289 NC |
1067 | if (data > end) |
1068 | return (unsigned char *) end; | |
19e6b90e | 1069 | |
0c588247 NC |
1070 | maxlen = (dwarf_vma) (end - data); |
1071 | length = length > maxlen ? maxlen : length; | |
1072 | ||
19e6b90e L |
1073 | while (length --) |
1074 | printf ("%lx ", (unsigned long) byte_get (data++, 1)); | |
1075 | ||
1076 | return data; | |
1077 | } | |
1078 | ||
1079 | static int | |
1080 | decode_location_expression (unsigned char * data, | |
1081 | unsigned int pointer_size, | |
b7807392 JJ |
1082 | unsigned int offset_size, |
1083 | int dwarf_version, | |
467c65bc NC |
1084 | dwarf_vma length, |
1085 | dwarf_vma cu_offset, | |
f1c4cc75 | 1086 | struct dwarf_section * section) |
19e6b90e L |
1087 | { |
1088 | unsigned op; | |
1089 | unsigned int bytes_read; | |
467c65bc | 1090 | dwarf_vma uvalue; |
0c588247 | 1091 | dwarf_signed_vma svalue; |
19e6b90e L |
1092 | unsigned char *end = data + length; |
1093 | int need_frame_base = 0; | |
1094 | ||
1095 | while (data < end) | |
1096 | { | |
1097 | op = *data++; | |
1098 | ||
1099 | switch (op) | |
1100 | { | |
1101 | case DW_OP_addr: | |
0c588247 NC |
1102 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
1103 | printf ("DW_OP_addr: %s", dwarf_vmatoa ("x", uvalue)); | |
19e6b90e L |
1104 | break; |
1105 | case DW_OP_deref: | |
1106 | printf ("DW_OP_deref"); | |
1107 | break; | |
1108 | case DW_OP_const1u: | |
0c588247 NC |
1109 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1110 | printf ("DW_OP_const1u: %lu", (unsigned long) uvalue); | |
19e6b90e L |
1111 | break; |
1112 | case DW_OP_const1s: | |
0c588247 NC |
1113 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 1, end); |
1114 | printf ("DW_OP_const1s: %ld", (long) svalue); | |
19e6b90e L |
1115 | break; |
1116 | case DW_OP_const2u: | |
87bc83b3 | 1117 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
0c588247 | 1118 | printf ("DW_OP_const2u: %lu", (unsigned long) uvalue); |
19e6b90e L |
1119 | break; |
1120 | case DW_OP_const2s: | |
0c588247 NC |
1121 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1122 | printf ("DW_OP_const2s: %ld", (long) svalue); | |
19e6b90e L |
1123 | break; |
1124 | case DW_OP_const4u: | |
0c588247 NC |
1125 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
1126 | printf ("DW_OP_const4u: %lu", (unsigned long) uvalue); | |
19e6b90e L |
1127 | break; |
1128 | case DW_OP_const4s: | |
0c588247 NC |
1129 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
1130 | printf ("DW_OP_const4s: %ld", (long) svalue); | |
19e6b90e L |
1131 | break; |
1132 | case DW_OP_const8u: | |
0c588247 NC |
1133 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
1134 | printf ("DW_OP_const8u: %lu ", (unsigned long) uvalue); | |
1135 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); | |
1136 | printf ("%lu", (unsigned long) uvalue); | |
19e6b90e L |
1137 | break; |
1138 | case DW_OP_const8s: | |
0c588247 NC |
1139 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
1140 | printf ("DW_OP_const8s: %ld ", (long) svalue); | |
1141 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); | |
1142 | printf ("%ld", (long) svalue); | |
19e6b90e L |
1143 | break; |
1144 | case DW_OP_constu: | |
467c65bc | 1145 | printf ("DW_OP_constu: %s", |
f6f0e17b | 1146 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
1147 | data += bytes_read; |
1148 | break; | |
1149 | case DW_OP_consts: | |
467c65bc | 1150 | printf ("DW_OP_consts: %s", |
f6f0e17b | 1151 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1152 | data += bytes_read; |
1153 | break; | |
1154 | case DW_OP_dup: | |
1155 | printf ("DW_OP_dup"); | |
1156 | break; | |
1157 | case DW_OP_drop: | |
1158 | printf ("DW_OP_drop"); | |
1159 | break; | |
1160 | case DW_OP_over: | |
1161 | printf ("DW_OP_over"); | |
1162 | break; | |
1163 | case DW_OP_pick: | |
0c588247 NC |
1164 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1165 | printf ("DW_OP_pick: %ld", (unsigned long) uvalue); | |
19e6b90e L |
1166 | break; |
1167 | case DW_OP_swap: | |
1168 | printf ("DW_OP_swap"); | |
1169 | break; | |
1170 | case DW_OP_rot: | |
1171 | printf ("DW_OP_rot"); | |
1172 | break; | |
1173 | case DW_OP_xderef: | |
1174 | printf ("DW_OP_xderef"); | |
1175 | break; | |
1176 | case DW_OP_abs: | |
1177 | printf ("DW_OP_abs"); | |
1178 | break; | |
1179 | case DW_OP_and: | |
1180 | printf ("DW_OP_and"); | |
1181 | break; | |
1182 | case DW_OP_div: | |
1183 | printf ("DW_OP_div"); | |
1184 | break; | |
1185 | case DW_OP_minus: | |
1186 | printf ("DW_OP_minus"); | |
1187 | break; | |
1188 | case DW_OP_mod: | |
1189 | printf ("DW_OP_mod"); | |
1190 | break; | |
1191 | case DW_OP_mul: | |
1192 | printf ("DW_OP_mul"); | |
1193 | break; | |
1194 | case DW_OP_neg: | |
1195 | printf ("DW_OP_neg"); | |
1196 | break; | |
1197 | case DW_OP_not: | |
1198 | printf ("DW_OP_not"); | |
1199 | break; | |
1200 | case DW_OP_or: | |
1201 | printf ("DW_OP_or"); | |
1202 | break; | |
1203 | case DW_OP_plus: | |
1204 | printf ("DW_OP_plus"); | |
1205 | break; | |
1206 | case DW_OP_plus_uconst: | |
467c65bc | 1207 | printf ("DW_OP_plus_uconst: %s", |
f6f0e17b | 1208 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
1209 | data += bytes_read; |
1210 | break; | |
1211 | case DW_OP_shl: | |
1212 | printf ("DW_OP_shl"); | |
1213 | break; | |
1214 | case DW_OP_shr: | |
1215 | printf ("DW_OP_shr"); | |
1216 | break; | |
1217 | case DW_OP_shra: | |
1218 | printf ("DW_OP_shra"); | |
1219 | break; | |
1220 | case DW_OP_xor: | |
1221 | printf ("DW_OP_xor"); | |
1222 | break; | |
1223 | case DW_OP_bra: | |
0c588247 NC |
1224 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1225 | printf ("DW_OP_bra: %ld", (long) svalue); | |
19e6b90e L |
1226 | break; |
1227 | case DW_OP_eq: | |
1228 | printf ("DW_OP_eq"); | |
1229 | break; | |
1230 | case DW_OP_ge: | |
1231 | printf ("DW_OP_ge"); | |
1232 | break; | |
1233 | case DW_OP_gt: | |
1234 | printf ("DW_OP_gt"); | |
1235 | break; | |
1236 | case DW_OP_le: | |
1237 | printf ("DW_OP_le"); | |
1238 | break; | |
1239 | case DW_OP_lt: | |
1240 | printf ("DW_OP_lt"); | |
1241 | break; | |
1242 | case DW_OP_ne: | |
1243 | printf ("DW_OP_ne"); | |
1244 | break; | |
1245 | case DW_OP_skip: | |
0c588247 NC |
1246 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1247 | printf ("DW_OP_skip: %ld", (long) svalue); | |
19e6b90e L |
1248 | break; |
1249 | ||
1250 | case DW_OP_lit0: | |
1251 | case DW_OP_lit1: | |
1252 | case DW_OP_lit2: | |
1253 | case DW_OP_lit3: | |
1254 | case DW_OP_lit4: | |
1255 | case DW_OP_lit5: | |
1256 | case DW_OP_lit6: | |
1257 | case DW_OP_lit7: | |
1258 | case DW_OP_lit8: | |
1259 | case DW_OP_lit9: | |
1260 | case DW_OP_lit10: | |
1261 | case DW_OP_lit11: | |
1262 | case DW_OP_lit12: | |
1263 | case DW_OP_lit13: | |
1264 | case DW_OP_lit14: | |
1265 | case DW_OP_lit15: | |
1266 | case DW_OP_lit16: | |
1267 | case DW_OP_lit17: | |
1268 | case DW_OP_lit18: | |
1269 | case DW_OP_lit19: | |
1270 | case DW_OP_lit20: | |
1271 | case DW_OP_lit21: | |
1272 | case DW_OP_lit22: | |
1273 | case DW_OP_lit23: | |
1274 | case DW_OP_lit24: | |
1275 | case DW_OP_lit25: | |
1276 | case DW_OP_lit26: | |
1277 | case DW_OP_lit27: | |
1278 | case DW_OP_lit28: | |
1279 | case DW_OP_lit29: | |
1280 | case DW_OP_lit30: | |
1281 | case DW_OP_lit31: | |
1282 | printf ("DW_OP_lit%d", op - DW_OP_lit0); | |
1283 | break; | |
1284 | ||
1285 | case DW_OP_reg0: | |
1286 | case DW_OP_reg1: | |
1287 | case DW_OP_reg2: | |
1288 | case DW_OP_reg3: | |
1289 | case DW_OP_reg4: | |
1290 | case DW_OP_reg5: | |
1291 | case DW_OP_reg6: | |
1292 | case DW_OP_reg7: | |
1293 | case DW_OP_reg8: | |
1294 | case DW_OP_reg9: | |
1295 | case DW_OP_reg10: | |
1296 | case DW_OP_reg11: | |
1297 | case DW_OP_reg12: | |
1298 | case DW_OP_reg13: | |
1299 | case DW_OP_reg14: | |
1300 | case DW_OP_reg15: | |
1301 | case DW_OP_reg16: | |
1302 | case DW_OP_reg17: | |
1303 | case DW_OP_reg18: | |
1304 | case DW_OP_reg19: | |
1305 | case DW_OP_reg20: | |
1306 | case DW_OP_reg21: | |
1307 | case DW_OP_reg22: | |
1308 | case DW_OP_reg23: | |
1309 | case DW_OP_reg24: | |
1310 | case DW_OP_reg25: | |
1311 | case DW_OP_reg26: | |
1312 | case DW_OP_reg27: | |
1313 | case DW_OP_reg28: | |
1314 | case DW_OP_reg29: | |
1315 | case DW_OP_reg30: | |
1316 | case DW_OP_reg31: | |
18464d4d JK |
1317 | printf ("DW_OP_reg%d (%s)", op - DW_OP_reg0, |
1318 | regname (op - DW_OP_reg0, 1)); | |
19e6b90e L |
1319 | break; |
1320 | ||
1321 | case DW_OP_breg0: | |
1322 | case DW_OP_breg1: | |
1323 | case DW_OP_breg2: | |
1324 | case DW_OP_breg3: | |
1325 | case DW_OP_breg4: | |
1326 | case DW_OP_breg5: | |
1327 | case DW_OP_breg6: | |
1328 | case DW_OP_breg7: | |
1329 | case DW_OP_breg8: | |
1330 | case DW_OP_breg9: | |
1331 | case DW_OP_breg10: | |
1332 | case DW_OP_breg11: | |
1333 | case DW_OP_breg12: | |
1334 | case DW_OP_breg13: | |
1335 | case DW_OP_breg14: | |
1336 | case DW_OP_breg15: | |
1337 | case DW_OP_breg16: | |
1338 | case DW_OP_breg17: | |
1339 | case DW_OP_breg18: | |
1340 | case DW_OP_breg19: | |
1341 | case DW_OP_breg20: | |
1342 | case DW_OP_breg21: | |
1343 | case DW_OP_breg22: | |
1344 | case DW_OP_breg23: | |
1345 | case DW_OP_breg24: | |
1346 | case DW_OP_breg25: | |
1347 | case DW_OP_breg26: | |
1348 | case DW_OP_breg27: | |
1349 | case DW_OP_breg28: | |
1350 | case DW_OP_breg29: | |
1351 | case DW_OP_breg30: | |
1352 | case DW_OP_breg31: | |
467c65bc | 1353 | printf ("DW_OP_breg%d (%s): %s", |
47704ddf | 1354 | op - DW_OP_breg0, |
18464d4d | 1355 | regname (op - DW_OP_breg0, 1), |
f6f0e17b | 1356 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1357 | data += bytes_read; |
1358 | break; | |
1359 | ||
1360 | case DW_OP_regx: | |
f6f0e17b | 1361 | uvalue = read_uleb128 (data, &bytes_read, end); |
19e6b90e | 1362 | data += bytes_read; |
467c65bc NC |
1363 | printf ("DW_OP_regx: %s (%s)", |
1364 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); | |
19e6b90e L |
1365 | break; |
1366 | case DW_OP_fbreg: | |
1367 | need_frame_base = 1; | |
467c65bc | 1368 | printf ("DW_OP_fbreg: %s", |
f6f0e17b | 1369 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1370 | data += bytes_read; |
1371 | break; | |
1372 | case DW_OP_bregx: | |
f6f0e17b | 1373 | uvalue = read_uleb128 (data, &bytes_read, end); |
19e6b90e | 1374 | data += bytes_read; |
467c65bc NC |
1375 | printf ("DW_OP_bregx: %s (%s) %s", |
1376 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1), | |
f6f0e17b | 1377 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1378 | data += bytes_read; |
1379 | break; | |
1380 | case DW_OP_piece: | |
467c65bc | 1381 | printf ("DW_OP_piece: %s", |
f6f0e17b | 1382 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
1383 | data += bytes_read; |
1384 | break; | |
1385 | case DW_OP_deref_size: | |
0c588247 NC |
1386 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1387 | printf ("DW_OP_deref_size: %ld", (long) uvalue); | |
19e6b90e L |
1388 | break; |
1389 | case DW_OP_xderef_size: | |
0c588247 NC |
1390 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1391 | printf ("DW_OP_xderef_size: %ld", (long) uvalue); | |
19e6b90e L |
1392 | break; |
1393 | case DW_OP_nop: | |
1394 | printf ("DW_OP_nop"); | |
1395 | break; | |
1396 | ||
1397 | /* DWARF 3 extensions. */ | |
1398 | case DW_OP_push_object_address: | |
1399 | printf ("DW_OP_push_object_address"); | |
1400 | break; | |
1401 | case DW_OP_call2: | |
d85bf2ba | 1402 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
19e6b90e | 1403 | this ought to be an 8-byte wide computation. */ |
0c588247 | 1404 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
467c65bc | 1405 | printf ("DW_OP_call2: <0x%s>", |
0c588247 | 1406 | dwarf_vmatoa ("x", svalue + cu_offset)); |
19e6b90e L |
1407 | break; |
1408 | case DW_OP_call4: | |
d85bf2ba | 1409 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
19e6b90e | 1410 | this ought to be an 8-byte wide computation. */ |
0c588247 | 1411 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
467c65bc | 1412 | printf ("DW_OP_call4: <0x%s>", |
0c588247 | 1413 | dwarf_vmatoa ("x", svalue + cu_offset)); |
19e6b90e L |
1414 | break; |
1415 | case DW_OP_call_ref: | |
d85bf2ba | 1416 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
e2a0d921 | 1417 | this ought to be an 8-byte wide computation. */ |
b7807392 JJ |
1418 | if (dwarf_version == -1) |
1419 | { | |
1420 | printf (_("(DW_OP_call_ref in frame info)")); | |
1421 | /* No way to tell where the next op is, so just bail. */ | |
1422 | return need_frame_base; | |
1423 | } | |
1424 | if (dwarf_version == 2) | |
1425 | { | |
0c588247 | 1426 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
b7807392 JJ |
1427 | } |
1428 | else | |
1429 | { | |
0c588247 | 1430 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
b7807392 | 1431 | } |
0c588247 | 1432 | printf ("DW_OP_call_ref: <0x%s>", dwarf_vmatoa ("x", uvalue)); |
19e6b90e | 1433 | break; |
a87b0a59 NS |
1434 | case DW_OP_form_tls_address: |
1435 | printf ("DW_OP_form_tls_address"); | |
1436 | break; | |
e2a0d921 NC |
1437 | case DW_OP_call_frame_cfa: |
1438 | printf ("DW_OP_call_frame_cfa"); | |
1439 | break; | |
1440 | case DW_OP_bit_piece: | |
1441 | printf ("DW_OP_bit_piece: "); | |
9cf03b7e | 1442 | printf (_("size: %s "), |
f6f0e17b | 1443 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
e2a0d921 | 1444 | data += bytes_read; |
9cf03b7e | 1445 | printf (_("offset: %s "), |
f6f0e17b | 1446 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
e2a0d921 NC |
1447 | data += bytes_read; |
1448 | break; | |
19e6b90e | 1449 | |
3244e8f5 JJ |
1450 | /* DWARF 4 extensions. */ |
1451 | case DW_OP_stack_value: | |
1452 | printf ("DW_OP_stack_value"); | |
1453 | break; | |
1454 | ||
1455 | case DW_OP_implicit_value: | |
1456 | printf ("DW_OP_implicit_value"); | |
f6f0e17b | 1457 | uvalue = read_uleb128 (data, &bytes_read, end); |
3244e8f5 | 1458 | data += bytes_read; |
ef0b5f1c | 1459 | data = display_block (data, uvalue, end, ' '); |
3244e8f5 JJ |
1460 | break; |
1461 | ||
19e6b90e L |
1462 | /* GNU extensions. */ |
1463 | case DW_OP_GNU_push_tls_address: | |
9cf03b7e | 1464 | printf (_("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown")); |
e2a0d921 NC |
1465 | break; |
1466 | case DW_OP_GNU_uninit: | |
1467 | printf ("DW_OP_GNU_uninit"); | |
1468 | /* FIXME: Is there data associated with this OP ? */ | |
1469 | break; | |
f1c4cc75 RH |
1470 | case DW_OP_GNU_encoded_addr: |
1471 | { | |
6937bb54 | 1472 | int encoding = 0; |
f1c4cc75 | 1473 | dwarf_vma addr; |
467c65bc | 1474 | |
6937bb54 NC |
1475 | if (data < end) |
1476 | encoding = *data++; | |
041830e0 | 1477 | addr = get_encoded_value (&data, encoding, section, end); |
f1c4cc75 RH |
1478 | |
1479 | printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding); | |
1480 | print_dwarf_vma (addr, pointer_size); | |
1481 | } | |
1482 | break; | |
bc0a77d2 | 1483 | case DW_OP_implicit_pointer: |
b7807392 | 1484 | case DW_OP_GNU_implicit_pointer: |
d85bf2ba | 1485 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
b7807392 JJ |
1486 | this ought to be an 8-byte wide computation. */ |
1487 | if (dwarf_version == -1) | |
1488 | { | |
bc0a77d2 JK |
1489 | printf (_("(%s in frame info)"), |
1490 | (op == DW_OP_implicit_pointer | |
1491 | ? "DW_OP_implicit_pointer" | |
1492 | : "DW_OP_GNU_implicit_pointer")); | |
b7807392 JJ |
1493 | /* No way to tell where the next op is, so just bail. */ |
1494 | return need_frame_base; | |
1495 | } | |
1496 | if (dwarf_version == 2) | |
1497 | { | |
0c588247 | 1498 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
b7807392 JJ |
1499 | } |
1500 | else | |
1501 | { | |
0c588247 | 1502 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
b7807392 | 1503 | } |
bc0a77d2 JK |
1504 | printf ("%s: <0x%s> %s", |
1505 | (op == DW_OP_implicit_pointer | |
1506 | ? "DW_OP_implicit_pointer" : "DW_OP_GNU_implicit_pointer"), | |
0c588247 NC |
1507 | dwarf_vmatoa ("x", uvalue), |
1508 | dwarf_vmatoa ("d", read_sleb128 (data, | |
1509 | &bytes_read, end))); | |
1510 | data += bytes_read; | |
b7807392 | 1511 | break; |
77145576 | 1512 | case DW_OP_entry_value: |
0892011d | 1513 | case DW_OP_GNU_entry_value: |
f6f0e17b | 1514 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1515 | data += bytes_read; |
058037d3 NC |
1516 | /* PR 17531: file: 0cc9cd00. */ |
1517 | if (uvalue > (dwarf_vma) (end - data)) | |
1518 | uvalue = end - data; | |
77145576 JK |
1519 | printf ("%s: (", (op == DW_OP_entry_value ? "DW_OP_entry_value" |
1520 | : "DW_OP_GNU_entry_value")); | |
0892011d JJ |
1521 | if (decode_location_expression (data, pointer_size, offset_size, |
1522 | dwarf_version, uvalue, | |
1523 | cu_offset, section)) | |
1524 | need_frame_base = 1; | |
1525 | putchar (')'); | |
1526 | data += uvalue; | |
6937bb54 NC |
1527 | if (data > end) |
1528 | data = end; | |
0892011d | 1529 | break; |
bc0a77d2 | 1530 | case DW_OP_const_type: |
0892011d | 1531 | case DW_OP_GNU_const_type: |
f6f0e17b | 1532 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1533 | data += bytes_read; |
bc0a77d2 JK |
1534 | printf ("%s: <0x%s> ", |
1535 | (op == DW_OP_const_type ? "DW_OP_const_type" | |
1536 | : "DW_OP_GNU_const_type"), | |
0892011d | 1537 | dwarf_vmatoa ("x", cu_offset + uvalue)); |
0c588247 | 1538 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
ef0b5f1c | 1539 | data = display_block (data, uvalue, end, ' '); |
0892011d | 1540 | break; |
bc0a77d2 | 1541 | case DW_OP_regval_type: |
0892011d | 1542 | case DW_OP_GNU_regval_type: |
f6f0e17b | 1543 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1544 | data += bytes_read; |
bc0a77d2 JK |
1545 | printf ("%s: %s (%s)", |
1546 | (op == DW_OP_regval_type ? "DW_OP_regval_type" | |
1547 | : "DW_OP_GNU_regval_type"), | |
0892011d | 1548 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); |
f6f0e17b | 1549 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1550 | data += bytes_read; |
1551 | printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); | |
1552 | break; | |
bc0a77d2 | 1553 | case DW_OP_deref_type: |
0892011d | 1554 | case DW_OP_GNU_deref_type: |
0c588247 | 1555 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
bc0a77d2 JK |
1556 | printf ("%s: %ld", |
1557 | (op == DW_OP_deref_type ? "DW_OP_deref_type" | |
1558 | : "DW_OP_GNU_deref_type"), | |
1559 | (long) uvalue); | |
f6f0e17b | 1560 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1561 | data += bytes_read; |
1562 | printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); | |
1563 | break; | |
bc0a77d2 | 1564 | case DW_OP_convert: |
0892011d | 1565 | case DW_OP_GNU_convert: |
f6f0e17b | 1566 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1567 | data += bytes_read; |
bc0a77d2 JK |
1568 | printf ("%s <0x%s>", |
1569 | (op == DW_OP_convert ? "DW_OP_convert" : "DW_OP_GNU_convert"), | |
f8b999f9 | 1570 | dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0)); |
0892011d | 1571 | break; |
bc0a77d2 | 1572 | case DW_OP_reinterpret: |
0892011d | 1573 | case DW_OP_GNU_reinterpret: |
f6f0e17b | 1574 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d | 1575 | data += bytes_read; |
bc0a77d2 JK |
1576 | printf ("%s <0x%s>", |
1577 | (op == DW_OP_reinterpret ? "DW_OP_reinterpret" | |
1578 | : "DW_OP_GNU_reinterpret"), | |
f8b999f9 JJ |
1579 | dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0)); |
1580 | break; | |
1581 | case DW_OP_GNU_parameter_ref: | |
0c588247 | 1582 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
f8b999f9 | 1583 | printf ("DW_OP_GNU_parameter_ref: <0x%s>", |
0c588247 | 1584 | dwarf_vmatoa ("x", cu_offset + uvalue)); |
0892011d | 1585 | break; |
b4eb7656 AM |
1586 | case DW_OP_GNU_addr_index: |
1587 | uvalue = read_uleb128 (data, &bytes_read, end); | |
1588 | data += bytes_read; | |
1589 | printf ("DW_OP_GNU_addr_index <0x%s>", dwarf_vmatoa ("x", uvalue)); | |
1590 | break; | |
1591 | case DW_OP_GNU_const_index: | |
1592 | uvalue = read_uleb128 (data, &bytes_read, end); | |
1593 | data += bytes_read; | |
1594 | printf ("DW_OP_GNU_const_index <0x%s>", dwarf_vmatoa ("x", uvalue)); | |
1595 | break; | |
f384a1f0 KB |
1596 | case DW_OP_GNU_variable_value: |
1597 | /* FIXME: Strictly speaking for 64-bit DWARF3 files | |
1598 | this ought to be an 8-byte wide computation. */ | |
1599 | if (dwarf_version == -1) | |
1600 | { | |
1601 | printf (_("(DW_OP_GNU_variable_value in frame info)")); | |
1602 | /* No way to tell where the next op is, so just bail. */ | |
1603 | return need_frame_base; | |
1604 | } | |
1605 | if (dwarf_version == 2) | |
1606 | { | |
1607 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); | |
1608 | } | |
1609 | else | |
1610 | { | |
1611 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); | |
1612 | } | |
1613 | printf ("DW_OP_GNU_variable_value: <0x%s>", dwarf_vmatoa ("x", uvalue)); | |
1614 | break; | |
e2a0d921 NC |
1615 | |
1616 | /* HP extensions. */ | |
1617 | case DW_OP_HP_is_value: | |
1618 | printf ("DW_OP_HP_is_value"); | |
1619 | /* FIXME: Is there data associated with this OP ? */ | |
1620 | break; | |
1621 | case DW_OP_HP_fltconst4: | |
1622 | printf ("DW_OP_HP_fltconst4"); | |
1623 | /* FIXME: Is there data associated with this OP ? */ | |
1624 | break; | |
1625 | case DW_OP_HP_fltconst8: | |
1626 | printf ("DW_OP_HP_fltconst8"); | |
1627 | /* FIXME: Is there data associated with this OP ? */ | |
1628 | break; | |
1629 | case DW_OP_HP_mod_range: | |
1630 | printf ("DW_OP_HP_mod_range"); | |
1631 | /* FIXME: Is there data associated with this OP ? */ | |
1632 | break; | |
1633 | case DW_OP_HP_unmod_range: | |
1634 | printf ("DW_OP_HP_unmod_range"); | |
1635 | /* FIXME: Is there data associated with this OP ? */ | |
1636 | break; | |
1637 | case DW_OP_HP_tls: | |
1638 | printf ("DW_OP_HP_tls"); | |
1639 | /* FIXME: Is there data associated with this OP ? */ | |
19e6b90e L |
1640 | break; |
1641 | ||
35d60fe4 NC |
1642 | /* PGI (STMicroelectronics) extensions. */ |
1643 | case DW_OP_PGI_omp_thread_num: | |
1644 | /* Pushes the thread number for the current thread as it would be | |
1645 | returned by the standard OpenMP library function: | |
1646 | omp_get_thread_num(). The "current thread" is the thread for | |
1647 | which the expression is being evaluated. */ | |
1648 | printf ("DW_OP_PGI_omp_thread_num"); | |
1649 | break; | |
1650 | ||
19e6b90e L |
1651 | default: |
1652 | if (op >= DW_OP_lo_user | |
1653 | && op <= DW_OP_hi_user) | |
0502a2b4 | 1654 | printf (_("(User defined location op 0x%x)"), op); |
19e6b90e | 1655 | else |
0502a2b4 | 1656 | printf (_("(Unknown location op 0x%x)"), op); |
19e6b90e L |
1657 | /* No way to tell where the next op is, so just bail. */ |
1658 | return need_frame_base; | |
1659 | } | |
1660 | ||
1661 | /* Separate the ops. */ | |
1662 | if (data < end) | |
1663 | printf ("; "); | |
1664 | } | |
1665 | ||
1666 | return need_frame_base; | |
1667 | } | |
1668 | ||
341f9135 CC |
1669 | /* Find the CU or TU set corresponding to the given CU_OFFSET. |
1670 | This is used for DWARF package files. */ | |
1671 | ||
1672 | static struct cu_tu_set * | |
1673 | find_cu_tu_set_v2 (dwarf_vma cu_offset, int do_types) | |
1674 | { | |
1675 | struct cu_tu_set *p; | |
1676 | unsigned int nsets; | |
1677 | unsigned int dw_sect; | |
1678 | ||
1679 | if (do_types) | |
1680 | { | |
1681 | p = tu_sets; | |
1682 | nsets = tu_count; | |
1683 | dw_sect = DW_SECT_TYPES; | |
1684 | } | |
1685 | else | |
1686 | { | |
1687 | p = cu_sets; | |
1688 | nsets = cu_count; | |
1689 | dw_sect = DW_SECT_INFO; | |
1690 | } | |
1691 | while (nsets > 0) | |
1692 | { | |
1693 | if (p->section_offsets [dw_sect] == cu_offset) | |
1694 | return p; | |
1695 | p++; | |
1696 | nsets--; | |
1697 | } | |
1698 | return NULL; | |
1699 | } | |
1700 | ||
a69c4772 NC |
1701 | /* Add INC to HIGH_BITS:LOW_BITS. */ |
1702 | static void | |
1703 | add64 (dwarf_vma * high_bits, dwarf_vma * low_bits, dwarf_vma inc) | |
1704 | { | |
1705 | dwarf_vma tmp = * low_bits; | |
1706 | ||
1707 | tmp += inc; | |
1708 | ||
1709 | /* FIXME: There is probably a better way of handling this: | |
1710 | ||
1711 | We need to cope with dwarf_vma being a 32-bit or 64-bit | |
1712 | type. Plus regardless of its size LOW_BITS is meant to | |
1713 | only hold 32-bits, so if there is overflow or wrap around | |
1714 | we must propagate into HIGH_BITS. */ | |
1715 | if (tmp < * low_bits) | |
1716 | { | |
1717 | ++ * high_bits; | |
1718 | } | |
1719 | else if (sizeof (tmp) > 8 | |
1720 | && (tmp >> 31) > 1) | |
1721 | { | |
1722 | ++ * high_bits; | |
1723 | tmp &= 0xFFFFFFFF; | |
1724 | } | |
1725 | ||
1726 | * low_bits = tmp; | |
1727 | } | |
1728 | ||
dda8d76d NC |
1729 | static const char * |
1730 | fetch_alt_indirect_string (dwarf_vma offset) | |
1731 | { | |
24841daa | 1732 | separate_info * i; |
dda8d76d NC |
1733 | |
1734 | if (! do_follow_links) | |
1735 | return ""; | |
1736 | ||
24841daa NC |
1737 | if (first_separate_info == NULL) |
1738 | return _("<no links available>"); | |
dda8d76d | 1739 | |
24841daa NC |
1740 | for (i = first_separate_info; i != NULL; i = i->next) |
1741 | { | |
1742 | struct dwarf_section * section; | |
1743 | const char * ret; | |
dda8d76d | 1744 | |
24841daa NC |
1745 | if (! load_debug_section (separate_debug_str, i->handle)) |
1746 | continue; | |
dda8d76d | 1747 | |
24841daa | 1748 | section = &debug_displays [separate_debug_str].section; |
dda8d76d | 1749 | |
24841daa NC |
1750 | if (section->start == NULL) |
1751 | continue; | |
dda8d76d | 1752 | |
24841daa NC |
1753 | if (offset >= section->size) |
1754 | continue; | |
1755 | ||
1756 | ret = (const char *) (section->start + offset); | |
1757 | /* Unfortunately we cannot rely upon the .debug_str section ending with a | |
1758 | NUL byte. Since our caller is expecting to receive a well formed C | |
1759 | string we test for the lack of a terminating byte here. */ | |
1760 | if (strnlen ((const char *) ret, section->size - offset) | |
1761 | == section->size - offset) | |
1762 | return _("<no NUL byte at end of alt .debug_str section>"); | |
1763 | ||
1764 | return ret; | |
1765 | } | |
1766 | ||
1767 | warn (_("DW_FORM_GNU_strp_alt offset (%s) too big or no string sections available\n"), | |
1768 | dwarf_vmatoa ("x", offset)); | |
1769 | return _("<offset is too big>"); | |
dda8d76d NC |
1770 | } |
1771 | ||
d85bf2ba NC |
1772 | static const char * |
1773 | get_AT_name (unsigned long attribute) | |
1774 | { | |
1775 | const char *name; | |
1776 | ||
1777 | if (attribute == 0) | |
1778 | return "DW_AT value: 0"; | |
1779 | ||
1780 | /* One value is shared by the MIPS and HP extensions: */ | |
1781 | if (attribute == DW_AT_MIPS_fde) | |
1782 | return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable"; | |
1783 | ||
1784 | name = get_DW_AT_name (attribute); | |
1785 | ||
1786 | if (name == NULL) | |
1787 | { | |
1788 | static char buffer[100]; | |
1789 | ||
1790 | snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"), | |
1791 | attribute); | |
1792 | return buffer; | |
1793 | } | |
1794 | ||
1795 | return name; | |
1796 | } | |
1797 | ||
24841daa NC |
1798 | static void |
1799 | add_dwo_info (const char * field, dwo_type type) | |
1800 | { | |
1801 | dwo_info * dwinfo = xmalloc (sizeof * dwinfo); | |
1802 | ||
1803 | dwinfo->type = type; | |
1804 | dwinfo->value = field; | |
1805 | dwinfo->next = first_dwo_info; | |
1806 | first_dwo_info = dwinfo; | |
1807 | } | |
1808 | ||
1809 | static void | |
1810 | add_dwo_name (const char * name) | |
1811 | { | |
1812 | add_dwo_info (name, DWO_NAME); | |
1813 | } | |
1814 | ||
1815 | static void | |
1816 | add_dwo_dir (const char * dir) | |
1817 | { | |
1818 | add_dwo_info (dir, DWO_DIR); | |
1819 | } | |
1820 | ||
1821 | static void | |
1822 | add_dwo_id (const char * id) | |
1823 | { | |
1824 | add_dwo_info (id, DWO_ID); | |
1825 | } | |
1826 | ||
1827 | static void | |
1828 | free_dwo_info (void) | |
1829 | { | |
1830 | dwo_info * dwinfo; | |
1831 | dwo_info * next; | |
1832 | ||
1833 | for (dwinfo = first_dwo_info; dwinfo != NULL; dwinfo = next) | |
1834 | { | |
1835 | next = dwinfo->next; | |
1836 | free (dwinfo); | |
1837 | } | |
1838 | first_dwo_info = NULL; | |
1839 | } | |
1840 | ||
afc72f15 NC |
1841 | /* Ensure that START + UVALUE is less than END. |
1842 | Return an adjusted UVALUE if necessary to ensure this relationship. */ | |
1843 | ||
1844 | static inline dwarf_vma | |
1845 | check_uvalue (const unsigned char * start, | |
1846 | dwarf_vma uvalue, | |
1847 | const unsigned char * end) | |
1848 | { | |
1849 | dwarf_vma max_uvalue = end - start; | |
1850 | ||
afc72f15 NC |
1851 | /* See PR 17512: file: 008-103549-0.001:0.1. |
1852 | and PR 24829 for examples of where these tests are triggered. */ | |
a85eba51 | 1853 | if (uvalue > max_uvalue) |
afc72f15 NC |
1854 | { |
1855 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
1856 | uvalue = max_uvalue; | |
1857 | } | |
1858 | ||
1859 | return uvalue; | |
1860 | } | |
1861 | ||
ec1b0fbb NC |
1862 | static unsigned char * |
1863 | skip_attr_bytes (unsigned long form, | |
1864 | unsigned char * data, | |
1865 | unsigned const char * end, | |
1866 | dwarf_vma pointer_size, | |
1867 | dwarf_vma offset_size, | |
1868 | int dwarf_version, | |
1869 | dwarf_vma * value_return) | |
1870 | { | |
1871 | unsigned int bytes_read; | |
1872 | dwarf_vma uvalue = 0; | |
1873 | ||
1874 | * value_return = 0; | |
1875 | ||
1876 | switch (form) | |
1877 | { | |
1878 | case DW_FORM_ref_addr: | |
1879 | if (dwarf_version == 2) | |
1880 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); | |
1881 | else if (dwarf_version == 3 || dwarf_version == 4) | |
1882 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); | |
1883 | else | |
1884 | return NULL; | |
1885 | break; | |
1886 | ||
1887 | case DW_FORM_addr: | |
1888 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); | |
1889 | break; | |
1890 | ||
1891 | case DW_FORM_strp: | |
1892 | case DW_FORM_line_strp: | |
1893 | case DW_FORM_sec_offset: | |
1894 | case DW_FORM_GNU_ref_alt: | |
1895 | case DW_FORM_GNU_strp_alt: | |
1896 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); | |
1897 | break; | |
1898 | ||
1899 | case DW_FORM_flag_present: | |
1900 | uvalue = 1; | |
1901 | break; | |
1902 | ||
1903 | case DW_FORM_ref1: | |
1904 | case DW_FORM_flag: | |
1905 | case DW_FORM_data1: | |
1906 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); | |
1907 | break; | |
1908 | ||
1909 | case DW_FORM_ref2: | |
1910 | case DW_FORM_data2: | |
1911 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); | |
1912 | break; | |
1913 | ||
1914 | case DW_FORM_ref4: | |
1915 | case DW_FORM_data4: | |
1916 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); | |
1917 | break; | |
1918 | ||
1919 | case DW_FORM_sdata: | |
1920 | uvalue = read_sleb128 (data, & bytes_read, end); | |
1921 | data += bytes_read; | |
1922 | break; | |
1923 | ||
1924 | case DW_FORM_ref_udata: | |
1925 | case DW_FORM_udata: | |
1926 | case DW_FORM_GNU_str_index: | |
1927 | case DW_FORM_GNU_addr_index: | |
1928 | uvalue = read_uleb128 (data, & bytes_read, end); | |
1929 | data += bytes_read; | |
1930 | break; | |
1931 | ||
1932 | case DW_FORM_ref8: | |
1933 | case DW_FORM_data8: | |
1934 | data += 8; | |
1935 | break; | |
1936 | ||
1937 | case DW_FORM_data16: | |
1938 | data += 16; | |
1939 | break; | |
1940 | ||
1941 | case DW_FORM_string: | |
1942 | data += strnlen ((char *) data, end - data) + 1; | |
1943 | break; | |
1944 | ||
1945 | case DW_FORM_block: | |
1946 | case DW_FORM_exprloc: | |
1947 | uvalue = read_uleb128 (data, & bytes_read, end); | |
1948 | data += bytes_read + uvalue; | |
1949 | break; | |
1950 | ||
1951 | case DW_FORM_block1: | |
1952 | SAFE_BYTE_GET (uvalue, data, 1, end); | |
1953 | data += 1 + uvalue; | |
1954 | break; | |
1955 | ||
1956 | case DW_FORM_block2: | |
1957 | SAFE_BYTE_GET (uvalue, data, 2, end); | |
1958 | data += 2 + uvalue; | |
1959 | break; | |
1960 | ||
1961 | case DW_FORM_block4: | |
1962 | SAFE_BYTE_GET (uvalue, data, 4, end); | |
1963 | data += 4 + uvalue; | |
1964 | break; | |
1965 | ||
1966 | case DW_FORM_ref_sig8: | |
1967 | data += 8; | |
1968 | break; | |
1969 | ||
1970 | case DW_FORM_indirect: | |
1971 | /* FIXME: Handle this form. */ | |
1972 | default: | |
1973 | return NULL; | |
1974 | } | |
1975 | ||
1976 | * value_return = uvalue; | |
1977 | if (data > end) | |
1978 | data = (unsigned char *) end; | |
1979 | return data; | |
1980 | } | |
1981 | ||
1982 | /* Return IS_SIGNED set to TRUE if the type at | |
1983 | DATA can be determined to be a signed type. */ | |
1984 | ||
1985 | static void | |
1986 | get_type_signedness (unsigned char * start, | |
1987 | unsigned char * data, | |
1988 | unsigned const char * end, | |
1989 | dwarf_vma pointer_size, | |
1990 | dwarf_vma offset_size, | |
1991 | int dwarf_version, | |
1992 | bfd_boolean * is_signed, | |
1993 | bfd_boolean is_nested) | |
1994 | { | |
1995 | unsigned long abbrev_number; | |
1996 | unsigned int bytes_read; | |
1997 | abbrev_entry * entry; | |
1998 | abbrev_attr * attr; | |
1999 | ||
2000 | * is_signed = FALSE; | |
2001 | ||
ec1b0fbb NC |
2002 | abbrev_number = read_uleb128 (data, & bytes_read, end); |
2003 | data += bytes_read; | |
2004 | ||
2005 | for (entry = first_abbrev; | |
2006 | entry != NULL && entry->entry != abbrev_number; | |
2007 | entry = entry->next) | |
2008 | continue; | |
2009 | ||
2010 | if (entry == NULL) | |
2011 | /* FIXME: Issue a warning ? */ | |
2012 | return; | |
2013 | ||
2014 | for (attr = entry->first_attr; | |
2015 | attr != NULL && attr->attribute; | |
2016 | attr = attr->next) | |
2017 | { | |
2018 | dwarf_vma uvalue = 0; | |
2019 | ||
2020 | data = skip_attr_bytes (attr->form, data, end, pointer_size, | |
2021 | offset_size, dwarf_version, & uvalue); | |
2022 | if (data == NULL) | |
2023 | return; | |
2024 | ||
2025 | switch (attr->attribute) | |
2026 | { | |
2027 | #if 0 /* FIXME: It would be nice to print the name of the type, | |
2028 | but this would mean updating a lot of binutils tests. */ | |
2029 | case DW_AT_name: | |
2030 | if (attr->form == DW_FORM_strp) | |
2031 | printf ("%s", fetch_indirect_string (uvalue)); | |
2032 | break; | |
2033 | #endif | |
2034 | case DW_AT_type: | |
2035 | /* Recurse. */ | |
2036 | if (is_nested) | |
2037 | { | |
2038 | /* FIXME: Warn - or is this expected ? | |
2039 | NB/ We need to avoid infinite recursion. */ | |
2040 | return; | |
2041 | } | |
b3fe587e AM |
2042 | if (uvalue >= (size_t) (end - start)) |
2043 | return; | |
ec1b0fbb NC |
2044 | get_type_signedness (start, start + uvalue, end, pointer_size, |
2045 | offset_size, dwarf_version, is_signed, TRUE); | |
2046 | break; | |
2047 | ||
2048 | case DW_AT_encoding: | |
2049 | /* Determine signness. */ | |
2050 | switch (uvalue) | |
2051 | { | |
2052 | case DW_ATE_address: | |
2053 | /* FIXME - some architectures have signed addresses. */ | |
2054 | case DW_ATE_boolean: | |
2055 | case DW_ATE_unsigned: | |
2056 | case DW_ATE_unsigned_char: | |
2057 | case DW_ATE_unsigned_fixed: | |
2058 | * is_signed = FALSE; | |
2059 | break; | |
2060 | ||
2061 | default: | |
2062 | case DW_ATE_complex_float: | |
2063 | case DW_ATE_float: | |
2064 | case DW_ATE_signed: | |
2065 | case DW_ATE_signed_char: | |
2066 | case DW_ATE_imaginary_float: | |
2067 | case DW_ATE_decimal_float: | |
2068 | case DW_ATE_signed_fixed: | |
2069 | * is_signed = TRUE; | |
2070 | break; | |
2071 | } | |
2072 | break; | |
2073 | } | |
2074 | } | |
2075 | } | |
2076 | ||
2077 | static void | |
2078 | read_and_print_leb128 (unsigned char * data, | |
2079 | unsigned int * bytes_read, | |
2080 | unsigned const char * end, | |
2081 | bfd_boolean is_signed) | |
2082 | { | |
2083 | if (is_signed) | |
2084 | { | |
2085 | dwarf_signed_vma sval = read_sleb128 (data, bytes_read, end); | |
2086 | printf ("%ld", (long) sval); | |
2087 | } | |
2088 | else | |
2089 | { | |
2090 | dwarf_vma uval = read_uleb128 (data, bytes_read, end); | |
2091 | printf ("%lu", (unsigned long) uval); | |
2092 | } | |
2093 | } | |
2094 | ||
2095 | static void | |
2096 | display_discr_list (unsigned long form, | |
2097 | dwarf_vma uvalue, | |
2098 | unsigned char * data, | |
2099 | unsigned const char * end, | |
2100 | int level) | |
2101 | { | |
2102 | if (uvalue == 0) | |
2103 | { | |
2104 | printf ("[default]"); | |
2105 | return; | |
2106 | } | |
2107 | ||
2108 | switch (form) | |
2109 | { | |
2110 | case DW_FORM_block: | |
2111 | case DW_FORM_block1: | |
2112 | case DW_FORM_block2: | |
2113 | case DW_FORM_block4: | |
2114 | /* Move data pointer back to the start of the byte array. */ | |
2115 | data -= uvalue; | |
2116 | break; | |
2117 | default: | |
2118 | printf ("<corrupt>\n"); | |
2119 | warn (_("corrupt discr_list - not using a block form\n")); | |
2120 | return; | |
2121 | } | |
2122 | ||
2123 | if (uvalue < 2) | |
2124 | { | |
2125 | printf ("<corrupt>\n"); | |
2126 | warn (_("corrupt discr_list - block not long enough\n")); | |
2127 | return; | |
2128 | } | |
2129 | ||
2130 | bfd_boolean is_signed = | |
2131 | (level > 0 && level <= MAX_CU_NESTING) | |
2132 | ? level_type_signed [level - 1] : FALSE; | |
2133 | ||
2134 | printf ("("); | |
2135 | while (uvalue) | |
2136 | { | |
2137 | unsigned char discriminant; | |
2138 | unsigned int bytes_read; | |
2139 | ||
2140 | SAFE_BYTE_GET (discriminant, data, 1, end); | |
2141 | -- uvalue; | |
2142 | data ++; | |
2143 | ||
2144 | assert (uvalue > 0); | |
2145 | switch (discriminant) | |
2146 | { | |
2147 | case DW_DSC_label: | |
2148 | printf ("label "); | |
2149 | read_and_print_leb128 (data, & bytes_read, end, is_signed); | |
2150 | assert (bytes_read <= uvalue && bytes_read > 0); | |
2151 | uvalue -= bytes_read; | |
2152 | data += bytes_read; | |
2153 | break; | |
2154 | ||
2155 | case DW_DSC_range: | |
2156 | printf ("range "); | |
2157 | read_and_print_leb128 (data, & bytes_read, end, is_signed); | |
2158 | assert (bytes_read <= uvalue && bytes_read > 0); | |
2159 | uvalue -= bytes_read; | |
2160 | data += bytes_read; | |
2161 | ||
2162 | printf (".."); | |
2163 | read_and_print_leb128 (data, & bytes_read, end, is_signed); | |
2164 | assert (bytes_read <= uvalue && bytes_read > 0); | |
2165 | uvalue -= bytes_read; | |
2166 | data += bytes_read; | |
2167 | break; | |
2168 | ||
2169 | default: | |
2170 | printf ("<corrupt>\n"); | |
2171 | warn (_("corrupt discr_list - unrecognised discriminant byte %#x\n"), | |
2172 | discriminant); | |
2173 | return; | |
2174 | } | |
2175 | ||
2176 | if (uvalue) | |
2177 | printf (", "); | |
2178 | } | |
2179 | ||
2180 | if (is_signed) | |
2181 | printf (")(signed)"); | |
2182 | else | |
2183 | printf (")(unsigned)"); | |
2184 | } | |
2185 | ||
19e6b90e | 2186 | static unsigned char * |
dda8d76d NC |
2187 | read_and_display_attr_value (unsigned long attribute, |
2188 | unsigned long form, | |
2189 | dwarf_signed_vma implicit_const, | |
ec1b0fbb | 2190 | unsigned char * start, |
dda8d76d NC |
2191 | unsigned char * data, |
2192 | unsigned char * end, | |
2193 | dwarf_vma cu_offset, | |
2194 | dwarf_vma pointer_size, | |
2195 | dwarf_vma offset_size, | |
2196 | int dwarf_version, | |
2197 | debug_info * debug_info_p, | |
2198 | int do_loc, | |
2199 | struct dwarf_section * section, | |
2200 | struct cu_tu_set * this_set, | |
ec1b0fbb NC |
2201 | char delimiter, |
2202 | int level) | |
19e6b90e | 2203 | { |
ec1b0fbb NC |
2204 | dwarf_vma uvalue = 0; |
2205 | unsigned char * block_start = NULL; | |
2206 | unsigned char * orig_data = data; | |
2207 | unsigned int bytes_read; | |
19e6b90e | 2208 | |
f41e4712 | 2209 | if (data > end || (data == end && form != DW_FORM_flag_present)) |
0c588247 | 2210 | { |
f41e4712 | 2211 | warn (_("Corrupt attribute\n")); |
0c588247 NC |
2212 | return data; |
2213 | } | |
2214 | ||
19e6b90e L |
2215 | switch (form) |
2216 | { | |
2217 | default: | |
2218 | break; | |
2219 | ||
2220 | case DW_FORM_ref_addr: | |
2221 | if (dwarf_version == 2) | |
0c588247 | 2222 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
932fd279 | 2223 | else if (dwarf_version == 3 || dwarf_version == 4) |
0c588247 | 2224 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
19e6b90e | 2225 | else |
467c65bc NC |
2226 | error (_("Internal error: DWARF version is not 2, 3 or 4.\n")); |
2227 | ||
19e6b90e L |
2228 | break; |
2229 | ||
2230 | case DW_FORM_addr: | |
0c588247 | 2231 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
19e6b90e L |
2232 | break; |
2233 | ||
2234 | case DW_FORM_strp: | |
77145576 | 2235 | case DW_FORM_line_strp: |
932fd279 | 2236 | case DW_FORM_sec_offset: |
a081f3cd JJ |
2237 | case DW_FORM_GNU_ref_alt: |
2238 | case DW_FORM_GNU_strp_alt: | |
0c588247 | 2239 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
19e6b90e L |
2240 | break; |
2241 | ||
932fd279 JJ |
2242 | case DW_FORM_flag_present: |
2243 | uvalue = 1; | |
2244 | break; | |
2245 | ||
19e6b90e L |
2246 | case DW_FORM_ref1: |
2247 | case DW_FORM_flag: | |
2248 | case DW_FORM_data1: | |
0c588247 | 2249 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
19e6b90e L |
2250 | break; |
2251 | ||
2252 | case DW_FORM_ref2: | |
2253 | case DW_FORM_data2: | |
0c588247 | 2254 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
19e6b90e L |
2255 | break; |
2256 | ||
2257 | case DW_FORM_ref4: | |
2258 | case DW_FORM_data4: | |
0c588247 | 2259 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
19e6b90e L |
2260 | break; |
2261 | ||
2262 | case DW_FORM_sdata: | |
f6f0e17b | 2263 | uvalue = read_sleb128 (data, & bytes_read, end); |
19e6b90e L |
2264 | data += bytes_read; |
2265 | break; | |
2266 | ||
4723351a | 2267 | case DW_FORM_GNU_str_index: |
f6f0e17b | 2268 | uvalue = read_uleb128 (data, & bytes_read, end); |
4723351a CC |
2269 | data += bytes_read; |
2270 | break; | |
2271 | ||
19e6b90e L |
2272 | case DW_FORM_ref_udata: |
2273 | case DW_FORM_udata: | |
f6f0e17b | 2274 | uvalue = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
2275 | data += bytes_read; |
2276 | break; | |
2277 | ||
2278 | case DW_FORM_indirect: | |
f6f0e17b | 2279 | form = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
2280 | data += bytes_read; |
2281 | if (!do_loc) | |
ef0b5f1c | 2282 | printf ("%c%s", delimiter, get_FORM_name (form)); |
77145576 JK |
2283 | if (form == DW_FORM_implicit_const) |
2284 | { | |
2285 | implicit_const = read_sleb128 (data, & bytes_read, end); | |
2286 | data += bytes_read; | |
2287 | } | |
ec1b0fbb NC |
2288 | return read_and_display_attr_value (attribute, form, implicit_const, |
2289 | start, data, end, | |
2290 | cu_offset, pointer_size, | |
19e6b90e | 2291 | offset_size, dwarf_version, |
ec4d4525 | 2292 | debug_info_p, do_loc, |
ec1b0fbb | 2293 | section, this_set, delimiter, level); |
4723351a | 2294 | case DW_FORM_GNU_addr_index: |
f6f0e17b | 2295 | uvalue = read_uleb128 (data, & bytes_read, end); |
4723351a CC |
2296 | data += bytes_read; |
2297 | break; | |
19e6b90e L |
2298 | } |
2299 | ||
2300 | switch (form) | |
2301 | { | |
2302 | case DW_FORM_ref_addr: | |
2303 | if (!do_loc) | |
ef0b5f1c | 2304 | printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x",uvalue)); |
19e6b90e L |
2305 | break; |
2306 | ||
a081f3cd JJ |
2307 | case DW_FORM_GNU_ref_alt: |
2308 | if (!do_loc) | |
ef0b5f1c | 2309 | printf ("%c<alt 0x%s>", delimiter, dwarf_vmatoa ("x",uvalue)); |
dda8d76d | 2310 | /* FIXME: Follow the reference... */ |
a081f3cd JJ |
2311 | break; |
2312 | ||
19e6b90e L |
2313 | case DW_FORM_ref1: |
2314 | case DW_FORM_ref2: | |
2315 | case DW_FORM_ref4: | |
2316 | case DW_FORM_ref_udata: | |
2317 | if (!do_loc) | |
ef0b5f1c | 2318 | printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue + cu_offset)); |
19e6b90e L |
2319 | break; |
2320 | ||
2321 | case DW_FORM_data4: | |
2322 | case DW_FORM_addr: | |
932fd279 | 2323 | case DW_FORM_sec_offset: |
19e6b90e | 2324 | if (!do_loc) |
ef0b5f1c | 2325 | printf ("%c0x%s", delimiter, dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
2326 | break; |
2327 | ||
932fd279 | 2328 | case DW_FORM_flag_present: |
19e6b90e L |
2329 | case DW_FORM_flag: |
2330 | case DW_FORM_data1: | |
2331 | case DW_FORM_data2: | |
2332 | case DW_FORM_sdata: | |
2333 | case DW_FORM_udata: | |
2334 | if (!do_loc) | |
ef0b5f1c | 2335 | printf ("%c%s", delimiter, dwarf_vmatoa ("d", uvalue)); |
19e6b90e L |
2336 | break; |
2337 | ||
77145576 JK |
2338 | case DW_FORM_implicit_const: |
2339 | if (!do_loc) | |
2340 | printf ("%c%s", delimiter, dwarf_vmatoa ("d", implicit_const)); | |
2341 | break; | |
2342 | ||
19e6b90e L |
2343 | case DW_FORM_ref8: |
2344 | case DW_FORM_data8: | |
2bc8690c | 2345 | if (!do_loc) |
19e6b90e | 2346 | { |
74bc6052 | 2347 | dwarf_vma high_bits; |
a69c4772 | 2348 | dwarf_vma utmp; |
74bc6052 CC |
2349 | char buf[64]; |
2350 | ||
0c588247 | 2351 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); |
a69c4772 NC |
2352 | utmp = uvalue; |
2353 | if (form == DW_FORM_ref8) | |
2354 | add64 (& high_bits, & utmp, cu_offset); | |
ef0b5f1c | 2355 | printf ("%c0x%s", delimiter, |
a69c4772 | 2356 | dwarf_vmatoa64 (high_bits, utmp, buf, sizeof (buf))); |
19e6b90e | 2357 | } |
0c588247 | 2358 | |
19e6b90e L |
2359 | if ((do_loc || do_debug_loc || do_debug_ranges) |
2360 | && num_debug_info_entries == 0) | |
2361 | { | |
2362 | if (sizeof (uvalue) == 8) | |
0c588247 | 2363 | SAFE_BYTE_GET (uvalue, data, 8, end); |
19e6b90e | 2364 | else |
467c65bc | 2365 | error (_("DW_FORM_data8 is unsupported when sizeof (dwarf_vma) != 8\n")); |
19e6b90e | 2366 | } |
0c588247 | 2367 | |
19e6b90e L |
2368 | data += 8; |
2369 | break; | |
2370 | ||
2f6cd591 JK |
2371 | case DW_FORM_data16: |
2372 | if (!do_loc) | |
2373 | { | |
2374 | dwarf_vma left_high_bits, left_low_bits; | |
2375 | dwarf_vma right_high_bits, right_low_bits; | |
2376 | ||
2377 | SAFE_BYTE_GET64 (data, &left_high_bits, &left_low_bits, end); | |
2378 | SAFE_BYTE_GET64 (data + 8, &right_high_bits, &right_low_bits, end); | |
2379 | if (byte_get == byte_get_little_endian) | |
2380 | { | |
2381 | /* Swap them. */ | |
2382 | left_high_bits ^= right_high_bits; | |
2383 | right_high_bits ^= left_high_bits; | |
2384 | left_high_bits ^= right_high_bits; | |
2385 | left_low_bits ^= right_low_bits; | |
2386 | right_low_bits ^= left_low_bits; | |
2387 | left_low_bits ^= right_low_bits; | |
2388 | } | |
2389 | printf (" 0x%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x" | |
2390 | "%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x", | |
2391 | left_high_bits, left_low_bits, right_high_bits, | |
2392 | right_low_bits); | |
2393 | } | |
2394 | data += 16; | |
2395 | break; | |
2396 | ||
19e6b90e L |
2397 | case DW_FORM_string: |
2398 | if (!do_loc) | |
ef0b5f1c | 2399 | printf ("%c%.*s", delimiter, (int) (end - data), data); |
0c588247 | 2400 | data += strnlen ((char *) data, end - data) + 1; |
19e6b90e L |
2401 | break; |
2402 | ||
2403 | case DW_FORM_block: | |
932fd279 | 2404 | case DW_FORM_exprloc: |
f6f0e17b | 2405 | uvalue = read_uleb128 (data, & bytes_read, end); |
19e6b90e | 2406 | block_start = data + bytes_read; |
a1165289 NC |
2407 | if (block_start >= end) |
2408 | { | |
2409 | warn (_("Block ends prematurely\n")); | |
2410 | uvalue = 0; | |
2411 | block_start = end; | |
2412 | } | |
afc72f15 NC |
2413 | |
2414 | uvalue = check_uvalue (block_start, uvalue, end); | |
2415 | ||
19e6b90e L |
2416 | if (do_loc) |
2417 | data = block_start + uvalue; | |
2418 | else | |
ef0b5f1c | 2419 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
2420 | break; |
2421 | ||
2422 | case DW_FORM_block1: | |
0c588247 | 2423 | SAFE_BYTE_GET (uvalue, data, 1, end); |
19e6b90e | 2424 | block_start = data + 1; |
a1165289 NC |
2425 | if (block_start >= end) |
2426 | { | |
2427 | warn (_("Block ends prematurely\n")); | |
2428 | uvalue = 0; | |
2429 | block_start = end; | |
2430 | } | |
afc72f15 NC |
2431 | |
2432 | uvalue = check_uvalue (block_start, uvalue, end); | |
2433 | ||
19e6b90e L |
2434 | if (do_loc) |
2435 | data = block_start + uvalue; | |
2436 | else | |
ef0b5f1c | 2437 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
2438 | break; |
2439 | ||
2440 | case DW_FORM_block2: | |
0c588247 | 2441 | SAFE_BYTE_GET (uvalue, data, 2, end); |
19e6b90e | 2442 | block_start = data + 2; |
a1165289 NC |
2443 | if (block_start >= end) |
2444 | { | |
2445 | warn (_("Block ends prematurely\n")); | |
2446 | uvalue = 0; | |
2447 | block_start = end; | |
2448 | } | |
afc72f15 NC |
2449 | |
2450 | uvalue = check_uvalue (block_start, uvalue, end); | |
2451 | ||
19e6b90e L |
2452 | if (do_loc) |
2453 | data = block_start + uvalue; | |
2454 | else | |
ef0b5f1c | 2455 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
2456 | break; |
2457 | ||
2458 | case DW_FORM_block4: | |
0c588247 | 2459 | SAFE_BYTE_GET (uvalue, data, 4, end); |
19e6b90e | 2460 | block_start = data + 4; |
a1165289 NC |
2461 | /* PR 17512: file: 3371-3907-0.004. */ |
2462 | if (block_start >= end) | |
2463 | { | |
2464 | warn (_("Block ends prematurely\n")); | |
2465 | uvalue = 0; | |
2466 | block_start = end; | |
2467 | } | |
afc72f15 NC |
2468 | |
2469 | uvalue = check_uvalue (block_start, uvalue, end); | |
2470 | ||
19e6b90e L |
2471 | if (do_loc) |
2472 | data = block_start + uvalue; | |
2473 | else | |
ef0b5f1c | 2474 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
2475 | break; |
2476 | ||
2477 | case DW_FORM_strp: | |
2478 | if (!do_loc) | |
ef0b5f1c | 2479 | printf (_("%c(indirect string, offset: 0x%s): %s"), delimiter, |
47704ddf KT |
2480 | dwarf_vmatoa ("x", uvalue), |
2481 | fetch_indirect_string (uvalue)); | |
19e6b90e L |
2482 | break; |
2483 | ||
77145576 JK |
2484 | case DW_FORM_line_strp: |
2485 | if (!do_loc) | |
2486 | printf (_("%c(indirect line string, offset: 0x%s): %s"), delimiter, | |
2487 | dwarf_vmatoa ("x", uvalue), | |
2488 | fetch_indirect_line_string (uvalue)); | |
2489 | break; | |
2490 | ||
4723351a CC |
2491 | case DW_FORM_GNU_str_index: |
2492 | if (!do_loc) | |
b4eb7656 | 2493 | { |
d85bf2ba NC |
2494 | const char * suffix = strrchr (section->name, '.'); |
2495 | bfd_boolean dwo = (suffix && strcmp (suffix, ".dwo") == 0) ? TRUE : FALSE; | |
b4eb7656 | 2496 | |
ef0b5f1c | 2497 | printf (_("%c(indexed string: 0x%s): %s"), delimiter, |
b4eb7656 AM |
2498 | dwarf_vmatoa ("x", uvalue), |
2499 | fetch_indexed_string (uvalue, this_set, offset_size, dwo)); | |
2500 | } | |
4723351a CC |
2501 | break; |
2502 | ||
a081f3cd JJ |
2503 | case DW_FORM_GNU_strp_alt: |
2504 | if (!do_loc) | |
dda8d76d NC |
2505 | { |
2506 | printf (_("%c(alt indirect string, offset: 0x%s) %s"), delimiter, | |
2507 | dwarf_vmatoa ("x", uvalue), | |
2508 | fetch_alt_indirect_string (uvalue)); | |
2509 | } | |
a081f3cd JJ |
2510 | break; |
2511 | ||
19e6b90e L |
2512 | case DW_FORM_indirect: |
2513 | /* Handled above. */ | |
2514 | break; | |
2515 | ||
2b6f5997 CC |
2516 | case DW_FORM_ref_sig8: |
2517 | if (!do_loc) | |
2518 | { | |
74bc6052 CC |
2519 | dwarf_vma high_bits; |
2520 | char buf[64]; | |
2521 | ||
0c588247 | 2522 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); |
ef0b5f1c | 2523 | printf ("%csignature: 0x%s", delimiter, |
74bc6052 | 2524 | dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf))); |
2b6f5997 | 2525 | } |
74bc6052 | 2526 | data += 8; |
2b6f5997 CC |
2527 | break; |
2528 | ||
4723351a CC |
2529 | case DW_FORM_GNU_addr_index: |
2530 | if (!do_loc) | |
ef0b5f1c | 2531 | printf (_("%c(addr_index: 0x%s): %s"), delimiter, |
b4eb7656 AM |
2532 | dwarf_vmatoa ("x", uvalue), |
2533 | fetch_indexed_value (uvalue * pointer_size, pointer_size)); | |
4723351a CC |
2534 | break; |
2535 | ||
19e6b90e L |
2536 | default: |
2537 | warn (_("Unrecognized form: %lu\n"), form); | |
2538 | break; | |
2539 | } | |
2540 | ||
19e6b90e | 2541 | if ((do_loc || do_debug_loc || do_debug_ranges) |
fd2f0033 TT |
2542 | && num_debug_info_entries == 0 |
2543 | && debug_info_p != NULL) | |
19e6b90e L |
2544 | { |
2545 | switch (attribute) | |
2546 | { | |
2547 | case DW_AT_frame_base: | |
2548 | have_frame_base = 1; | |
1a0670f3 | 2549 | /* Fall through. */ |
19e6b90e | 2550 | case DW_AT_location: |
9f272209 | 2551 | case DW_AT_GNU_locviews: |
e2a0d921 NC |
2552 | case DW_AT_string_length: |
2553 | case DW_AT_return_addr: | |
19e6b90e L |
2554 | case DW_AT_data_member_location: |
2555 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
2556 | case DW_AT_segment: |
2557 | case DW_AT_static_link: | |
2558 | case DW_AT_use_location: | |
bc0a77d2 | 2559 | case DW_AT_call_value: |
629e7ca8 | 2560 | case DW_AT_GNU_call_site_value: |
bc0a77d2 | 2561 | case DW_AT_call_data_value: |
629e7ca8 | 2562 | case DW_AT_GNU_call_site_data_value: |
bc0a77d2 | 2563 | case DW_AT_call_target: |
629e7ca8 | 2564 | case DW_AT_GNU_call_site_target: |
bc0a77d2 | 2565 | case DW_AT_call_target_clobbered: |
629e7ca8 | 2566 | case DW_AT_GNU_call_site_target_clobbered: |
b4eb7656 | 2567 | if ((dwarf_version < 4 |
212b6063 | 2568 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 2569 | || form == DW_FORM_sec_offset) |
19e6b90e L |
2570 | { |
2571 | /* Process location list. */ | |
91d6fa6a | 2572 | unsigned int lmax = debug_info_p->max_loc_offsets; |
19e6b90e L |
2573 | unsigned int num = debug_info_p->num_loc_offsets; |
2574 | ||
91d6fa6a | 2575 | if (lmax == 0 || num >= lmax) |
19e6b90e | 2576 | { |
91d6fa6a | 2577 | lmax += 1024; |
467c65bc | 2578 | debug_info_p->loc_offsets = (dwarf_vma *) |
b4eb7656 AM |
2579 | xcrealloc (debug_info_p->loc_offsets, |
2580 | lmax, sizeof (*debug_info_p->loc_offsets)); | |
9f272209 AO |
2581 | debug_info_p->loc_views = (dwarf_vma *) |
2582 | xcrealloc (debug_info_p->loc_views, | |
2583 | lmax, sizeof (*debug_info_p->loc_views)); | |
3f5e193b | 2584 | debug_info_p->have_frame_base = (int *) |
b4eb7656 AM |
2585 | xcrealloc (debug_info_p->have_frame_base, |
2586 | lmax, sizeof (*debug_info_p->have_frame_base)); | |
91d6fa6a | 2587 | debug_info_p->max_loc_offsets = lmax; |
19e6b90e | 2588 | } |
341f9135 | 2589 | if (this_set != NULL) |
b4eb7656 | 2590 | uvalue += this_set->section_offsets [DW_SECT_LOC]; |
19e6b90e | 2591 | debug_info_p->have_frame_base [num] = have_frame_base; |
9f272209 AO |
2592 | if (attribute != DW_AT_GNU_locviews) |
2593 | { | |
a7504f87 NC |
2594 | /* Corrupt DWARF info can produce more offsets than views. |
2595 | See PR 23062 for an example. */ | |
2596 | if (debug_info_p->num_loc_offsets | |
2597 | > debug_info_p->num_loc_views) | |
2598 | warn (_("More location offset attributes than DW_AT_GNU_locview attributes\n")); | |
2599 | else | |
2600 | { | |
2601 | debug_info_p->loc_offsets [num] = uvalue; | |
2602 | debug_info_p->num_loc_offsets++; | |
2603 | } | |
9f272209 AO |
2604 | } |
2605 | else | |
2606 | { | |
2607 | assert (debug_info_p->num_loc_views <= num); | |
2608 | num = debug_info_p->num_loc_views; | |
a7504f87 NC |
2609 | if (num > debug_info_p->num_loc_offsets) |
2610 | warn (_("More DW_AT_GNU_locview attributes than location offset attributes\n")); | |
2611 | else | |
2612 | { | |
2613 | debug_info_p->loc_views [num] = uvalue; | |
2614 | debug_info_p->num_loc_views++; | |
2615 | } | |
9f272209 | 2616 | } |
19e6b90e L |
2617 | } |
2618 | break; | |
e2a0d921 | 2619 | |
19e6b90e L |
2620 | case DW_AT_low_pc: |
2621 | if (need_base_address) | |
2622 | debug_info_p->base_address = uvalue; | |
2623 | break; | |
2624 | ||
4723351a | 2625 | case DW_AT_GNU_addr_base: |
b4eb7656 | 2626 | debug_info_p->addr_base = uvalue; |
4723351a CC |
2627 | break; |
2628 | ||
2629 | case DW_AT_GNU_ranges_base: | |
b4eb7656 | 2630 | debug_info_p->ranges_base = uvalue; |
4723351a CC |
2631 | break; |
2632 | ||
19e6b90e | 2633 | case DW_AT_ranges: |
b4eb7656 | 2634 | if ((dwarf_version < 4 |
212b6063 | 2635 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 2636 | || form == DW_FORM_sec_offset) |
19e6b90e L |
2637 | { |
2638 | /* Process range list. */ | |
91d6fa6a | 2639 | unsigned int lmax = debug_info_p->max_range_lists; |
19e6b90e L |
2640 | unsigned int num = debug_info_p->num_range_lists; |
2641 | ||
91d6fa6a | 2642 | if (lmax == 0 || num >= lmax) |
19e6b90e | 2643 | { |
91d6fa6a | 2644 | lmax += 1024; |
467c65bc | 2645 | debug_info_p->range_lists = (dwarf_vma *) |
b4eb7656 AM |
2646 | xcrealloc (debug_info_p->range_lists, |
2647 | lmax, sizeof (*debug_info_p->range_lists)); | |
91d6fa6a | 2648 | debug_info_p->max_range_lists = lmax; |
19e6b90e L |
2649 | } |
2650 | debug_info_p->range_lists [num] = uvalue; | |
2651 | debug_info_p->num_range_lists++; | |
2652 | } | |
2653 | break; | |
2654 | ||
d85bf2ba NC |
2655 | case DW_AT_GNU_dwo_name: |
2656 | case DW_AT_dwo_name: | |
2657 | if (need_dwo_info) | |
2658 | switch (form) | |
2659 | { | |
2660 | case DW_FORM_strp: | |
24841daa | 2661 | add_dwo_name ((const char *) fetch_indirect_string (uvalue)); |
d85bf2ba NC |
2662 | break; |
2663 | case DW_FORM_GNU_str_index: | |
24841daa | 2664 | add_dwo_name (fetch_indexed_string (uvalue, this_set, offset_size, FALSE)); |
d85bf2ba NC |
2665 | break; |
2666 | case DW_FORM_string: | |
24841daa | 2667 | add_dwo_name ((const char *) orig_data); |
d85bf2ba NC |
2668 | break; |
2669 | default: | |
2670 | warn (_("Unsupported form (%s) for attribute %s\n"), | |
2671 | get_FORM_name (form), get_AT_name (attribute)); | |
d85bf2ba NC |
2672 | break; |
2673 | } | |
2674 | break; | |
2675 | ||
2676 | case DW_AT_comp_dir: | |
2677 | /* FIXME: Also extract a build-id in a CU/TU. */ | |
2678 | if (need_dwo_info) | |
2679 | switch (form) | |
2680 | { | |
2681 | case DW_FORM_strp: | |
24841daa | 2682 | add_dwo_dir ((const char *) fetch_indirect_string (uvalue)); |
d85bf2ba NC |
2683 | break; |
2684 | case DW_FORM_line_strp: | |
24841daa | 2685 | add_dwo_dir ((const char *) fetch_indirect_line_string (uvalue)); |
d85bf2ba NC |
2686 | break; |
2687 | case DW_FORM_GNU_str_index: | |
24841daa | 2688 | add_dwo_dir (fetch_indexed_string (uvalue, this_set, offset_size, FALSE)); |
d85bf2ba NC |
2689 | break; |
2690 | case DW_FORM_string: | |
24841daa | 2691 | add_dwo_dir ((const char *) orig_data); |
d85bf2ba NC |
2692 | break; |
2693 | default: | |
2694 | warn (_("Unsupported form (%s) for attribute %s\n"), | |
2695 | get_FORM_name (form), get_AT_name (attribute)); | |
d85bf2ba NC |
2696 | break; |
2697 | } | |
2698 | break; | |
2699 | ||
2700 | case DW_AT_GNU_dwo_id: | |
2701 | if (need_dwo_info) | |
2702 | switch (form) | |
2703 | { | |
2704 | case DW_FORM_data8: | |
24841daa NC |
2705 | /* FIXME: Record the length of the ID as well ? */ |
2706 | add_dwo_id ((const char *) (data - 8)); | |
d85bf2ba NC |
2707 | break; |
2708 | default: | |
2709 | warn (_("Unsupported form (%s) for attribute %s\n"), | |
2710 | get_FORM_name (form), get_AT_name (attribute)); | |
d85bf2ba NC |
2711 | break; |
2712 | } | |
2713 | break; | |
2714 | ||
19e6b90e L |
2715 | default: |
2716 | break; | |
2717 | } | |
2718 | } | |
2719 | ||
4ccf1e31 | 2720 | if (do_loc || attribute == 0) |
19e6b90e L |
2721 | return data; |
2722 | ||
ec4d4525 | 2723 | /* For some attributes we can display further information. */ |
19e6b90e L |
2724 | switch (attribute) |
2725 | { | |
ec1b0fbb | 2726 | case DW_AT_type: |
b3fe587e AM |
2727 | if (level >= 0 && level < MAX_CU_NESTING |
2728 | && uvalue < (size_t) (end - start)) | |
ec1b0fbb NC |
2729 | { |
2730 | bfd_boolean is_signed = FALSE; | |
2731 | ||
2732 | get_type_signedness (start, start + uvalue, end, pointer_size, | |
2733 | offset_size, dwarf_version, & is_signed, FALSE); | |
2734 | level_type_signed[level] = is_signed; | |
2735 | } | |
2736 | break; | |
2737 | ||
19e6b90e | 2738 | case DW_AT_inline: |
2e9e81a8 | 2739 | printf ("\t"); |
19e6b90e L |
2740 | switch (uvalue) |
2741 | { | |
2742 | case DW_INL_not_inlined: | |
2743 | printf (_("(not inlined)")); | |
2744 | break; | |
2745 | case DW_INL_inlined: | |
2746 | printf (_("(inlined)")); | |
2747 | break; | |
2748 | case DW_INL_declared_not_inlined: | |
2749 | printf (_("(declared as inline but ignored)")); | |
2750 | break; | |
2751 | case DW_INL_declared_inlined: | |
2752 | printf (_("(declared as inline and inlined)")); | |
2753 | break; | |
2754 | default: | |
47704ddf KT |
2755 | printf (_(" (Unknown inline attribute value: %s)"), |
2756 | dwarf_vmatoa ("x", uvalue)); | |
19e6b90e L |
2757 | break; |
2758 | } | |
2759 | break; | |
2760 | ||
2761 | case DW_AT_language: | |
2e9e81a8 | 2762 | printf ("\t"); |
19e6b90e L |
2763 | switch (uvalue) |
2764 | { | |
4b78141a | 2765 | /* Ordered by the numeric value of these constants. */ |
19e6b90e | 2766 | case DW_LANG_C89: printf ("(ANSI C)"); break; |
4b78141a NC |
2767 | case DW_LANG_C: printf ("(non-ANSI C)"); break; |
2768 | case DW_LANG_Ada83: printf ("(Ada)"); break; | |
19e6b90e | 2769 | case DW_LANG_C_plus_plus: printf ("(C++)"); break; |
4b78141a NC |
2770 | case DW_LANG_Cobol74: printf ("(Cobol 74)"); break; |
2771 | case DW_LANG_Cobol85: printf ("(Cobol 85)"); break; | |
19e6b90e L |
2772 | case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break; |
2773 | case DW_LANG_Fortran90: printf ("(Fortran 90)"); break; | |
19e6b90e | 2774 | case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break; |
4b78141a | 2775 | case DW_LANG_Modula2: printf ("(Modula 2)"); break; |
19e6b90e | 2776 | /* DWARF 2.1 values. */ |
4b78141a | 2777 | case DW_LANG_Java: printf ("(Java)"); break; |
19e6b90e L |
2778 | case DW_LANG_C99: printf ("(ANSI C99)"); break; |
2779 | case DW_LANG_Ada95: printf ("(ADA 95)"); break; | |
2780 | case DW_LANG_Fortran95: printf ("(Fortran 95)"); break; | |
4b78141a NC |
2781 | /* DWARF 3 values. */ |
2782 | case DW_LANG_PLI: printf ("(PLI)"); break; | |
2783 | case DW_LANG_ObjC: printf ("(Objective C)"); break; | |
2784 | case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break; | |
2785 | case DW_LANG_UPC: printf ("(Unified Parallel C)"); break; | |
2786 | case DW_LANG_D: printf ("(D)"); break; | |
2b6f5997 CC |
2787 | /* DWARF 4 values. */ |
2788 | case DW_LANG_Python: printf ("(Python)"); break; | |
3362e0d9 | 2789 | /* DWARF 5 values. */ |
2008a0db | 2790 | case DW_LANG_OpenCL: printf ("(OpenCL)"); break; |
3362e0d9 | 2791 | case DW_LANG_Go: printf ("(Go)"); break; |
2008a0db TT |
2792 | case DW_LANG_Modula3: printf ("(Modula 3)"); break; |
2793 | case DW_LANG_Haskell: printf ("(Haskell)"); break; | |
2794 | case DW_LANG_C_plus_plus_03: printf ("(C++03)"); break; | |
8bc10620 | 2795 | case DW_LANG_C_plus_plus_11: printf ("(C++11)"); break; |
2008a0db TT |
2796 | case DW_LANG_OCaml: printf ("(OCaml)"); break; |
2797 | case DW_LANG_Rust: printf ("(Rust)"); break; | |
6ddfe5b4 | 2798 | case DW_LANG_C11: printf ("(C11)"); break; |
2008a0db TT |
2799 | case DW_LANG_Swift: printf ("(Swift)"); break; |
2800 | case DW_LANG_Julia: printf ("(Julia)"); break; | |
2801 | case DW_LANG_Dylan: printf ("(Dylan)"); break; | |
8bc10620 | 2802 | case DW_LANG_C_plus_plus_14: printf ("(C++14)"); break; |
5a195044 MW |
2803 | case DW_LANG_Fortran03: printf ("(Fortran 03)"); break; |
2804 | case DW_LANG_Fortran08: printf ("(Fortran 08)"); break; | |
2008a0db | 2805 | case DW_LANG_RenderScript: printf ("(RenderScript)"); break; |
19e6b90e L |
2806 | /* MIPS extension. */ |
2807 | case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break; | |
2808 | /* UPC extension. */ | |
2809 | case DW_LANG_Upc: printf ("(Unified Parallel C)"); break; | |
2810 | default: | |
4b78141a | 2811 | if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user) |
9cf03b7e | 2812 | printf (_("(implementation defined: %s)"), |
467c65bc | 2813 | dwarf_vmatoa ("x", uvalue)); |
4b78141a | 2814 | else |
9cf03b7e | 2815 | printf (_("(Unknown: %s)"), dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
2816 | break; |
2817 | } | |
2818 | break; | |
2819 | ||
2820 | case DW_AT_encoding: | |
2e9e81a8 | 2821 | printf ("\t"); |
19e6b90e L |
2822 | switch (uvalue) |
2823 | { | |
2824 | case DW_ATE_void: printf ("(void)"); break; | |
2825 | case DW_ATE_address: printf ("(machine address)"); break; | |
2826 | case DW_ATE_boolean: printf ("(boolean)"); break; | |
2827 | case DW_ATE_complex_float: printf ("(complex float)"); break; | |
2828 | case DW_ATE_float: printf ("(float)"); break; | |
2829 | case DW_ATE_signed: printf ("(signed)"); break; | |
2830 | case DW_ATE_signed_char: printf ("(signed char)"); break; | |
2831 | case DW_ATE_unsigned: printf ("(unsigned)"); break; | |
2832 | case DW_ATE_unsigned_char: printf ("(unsigned char)"); break; | |
e2a0d921 | 2833 | /* DWARF 2.1 values: */ |
19e6b90e L |
2834 | case DW_ATE_imaginary_float: printf ("(imaginary float)"); break; |
2835 | case DW_ATE_decimal_float: printf ("(decimal float)"); break; | |
e2a0d921 NC |
2836 | /* DWARF 3 values: */ |
2837 | case DW_ATE_packed_decimal: printf ("(packed_decimal)"); break; | |
2838 | case DW_ATE_numeric_string: printf ("(numeric_string)"); break; | |
2839 | case DW_ATE_edited: printf ("(edited)"); break; | |
2840 | case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break; | |
2841 | case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break; | |
04914e37 NC |
2842 | /* DWARF 4 values: */ |
2843 | case DW_ATE_UTF: printf ("(unicode string)"); break; | |
2844 | /* DWARF 5 values: */ | |
2845 | case DW_ATE_UCS: printf ("(UCS)"); break; | |
2846 | case DW_ATE_ASCII: printf ("(ASCII)"); break; | |
2847 | ||
e2a0d921 NC |
2848 | /* HP extensions: */ |
2849 | case DW_ATE_HP_float80: printf ("(HP_float80)"); break; | |
2850 | case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break; | |
2851 | case DW_ATE_HP_float128: printf ("(HP_float128)"); break; | |
2852 | case DW_ATE_HP_complex_float128:printf ("(HP_complex_float128)"); break; | |
2853 | case DW_ATE_HP_floathpintel: printf ("(HP_floathpintel)"); break; | |
2854 | case DW_ATE_HP_imaginary_float80: printf ("(HP_imaginary_float80)"); break; | |
2855 | case DW_ATE_HP_imaginary_float128: printf ("(HP_imaginary_float128)"); break; | |
2856 | ||
19e6b90e L |
2857 | default: |
2858 | if (uvalue >= DW_ATE_lo_user | |
2859 | && uvalue <= DW_ATE_hi_user) | |
9cf03b7e | 2860 | printf (_("(user defined type)")); |
19e6b90e | 2861 | else |
9cf03b7e | 2862 | printf (_("(unknown type)")); |
19e6b90e L |
2863 | break; |
2864 | } | |
2865 | break; | |
2866 | ||
2867 | case DW_AT_accessibility: | |
2e9e81a8 | 2868 | printf ("\t"); |
19e6b90e L |
2869 | switch (uvalue) |
2870 | { | |
2871 | case DW_ACCESS_public: printf ("(public)"); break; | |
2872 | case DW_ACCESS_protected: printf ("(protected)"); break; | |
2873 | case DW_ACCESS_private: printf ("(private)"); break; | |
2874 | default: | |
9cf03b7e | 2875 | printf (_("(unknown accessibility)")); |
19e6b90e L |
2876 | break; |
2877 | } | |
2878 | break; | |
2879 | ||
2880 | case DW_AT_visibility: | |
2e9e81a8 | 2881 | printf ("\t"); |
19e6b90e L |
2882 | switch (uvalue) |
2883 | { | |
2884 | case DW_VIS_local: printf ("(local)"); break; | |
2885 | case DW_VIS_exported: printf ("(exported)"); break; | |
2886 | case DW_VIS_qualified: printf ("(qualified)"); break; | |
9cf03b7e | 2887 | default: printf (_("(unknown visibility)")); break; |
19e6b90e L |
2888 | } |
2889 | break; | |
2890 | ||
04914e37 NC |
2891 | case DW_AT_endianity: |
2892 | printf ("\t"); | |
2893 | switch (uvalue) | |
2894 | { | |
2895 | case DW_END_default: printf ("(default)"); break; | |
2896 | case DW_END_big: printf ("(big)"); break; | |
2897 | case DW_END_little: printf ("(little)"); break; | |
2898 | default: | |
2899 | if (uvalue >= DW_END_lo_user && uvalue <= DW_END_hi_user) | |
2900 | printf (_("(user specified)")); | |
2901 | else | |
2902 | printf (_("(unknown endianity)")); | |
2903 | break; | |
2904 | } | |
2905 | break; | |
2906 | ||
19e6b90e | 2907 | case DW_AT_virtuality: |
2e9e81a8 | 2908 | printf ("\t"); |
19e6b90e L |
2909 | switch (uvalue) |
2910 | { | |
2911 | case DW_VIRTUALITY_none: printf ("(none)"); break; | |
2912 | case DW_VIRTUALITY_virtual: printf ("(virtual)"); break; | |
2913 | case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break; | |
9cf03b7e | 2914 | default: printf (_("(unknown virtuality)")); break; |
19e6b90e L |
2915 | } |
2916 | break; | |
2917 | ||
2918 | case DW_AT_identifier_case: | |
2e9e81a8 | 2919 | printf ("\t"); |
19e6b90e L |
2920 | switch (uvalue) |
2921 | { | |
2922 | case DW_ID_case_sensitive: printf ("(case_sensitive)"); break; | |
2923 | case DW_ID_up_case: printf ("(up_case)"); break; | |
2924 | case DW_ID_down_case: printf ("(down_case)"); break; | |
2925 | case DW_ID_case_insensitive: printf ("(case_insensitive)"); break; | |
9cf03b7e | 2926 | default: printf (_("(unknown case)")); break; |
19e6b90e L |
2927 | } |
2928 | break; | |
2929 | ||
2930 | case DW_AT_calling_convention: | |
2e9e81a8 | 2931 | printf ("\t"); |
19e6b90e L |
2932 | switch (uvalue) |
2933 | { | |
2934 | case DW_CC_normal: printf ("(normal)"); break; | |
2935 | case DW_CC_program: printf ("(program)"); break; | |
2936 | case DW_CC_nocall: printf ("(nocall)"); break; | |
04914e37 NC |
2937 | case DW_CC_pass_by_reference: printf ("(pass by ref)"); break; |
2938 | case DW_CC_pass_by_value: printf ("(pass by value)"); break; | |
2939 | case DW_CC_GNU_renesas_sh: printf ("(Rensas SH)"); break; | |
2940 | case DW_CC_GNU_borland_fastcall_i386: printf ("(Borland fastcall i386)"); break; | |
19e6b90e L |
2941 | default: |
2942 | if (uvalue >= DW_CC_lo_user | |
2943 | && uvalue <= DW_CC_hi_user) | |
9cf03b7e | 2944 | printf (_("(user defined)")); |
19e6b90e | 2945 | else |
9cf03b7e | 2946 | printf (_("(unknown convention)")); |
19e6b90e L |
2947 | } |
2948 | break; | |
2949 | ||
2950 | case DW_AT_ordering: | |
2e9e81a8 | 2951 | printf ("\t"); |
19e6b90e L |
2952 | switch (uvalue) |
2953 | { | |
04914e37 | 2954 | case 255: |
9cf03b7e | 2955 | case -1: printf (_("(undefined)")); break; |
19e6b90e L |
2956 | case 0: printf ("(row major)"); break; |
2957 | case 1: printf ("(column major)"); break; | |
2958 | } | |
2959 | break; | |
2960 | ||
04914e37 NC |
2961 | case DW_AT_decimal_sign: |
2962 | printf ("\t"); | |
2963 | switch (uvalue) | |
2964 | { | |
2965 | case DW_DS_unsigned: printf (_("(unsigned)")); break; | |
2966 | case DW_DS_leading_overpunch: printf (_("(leading overpunch)")); break; | |
2967 | case DW_DS_trailing_overpunch: printf (_("(trailing overpunch)")); break; | |
2968 | case DW_DS_leading_separate: printf (_("(leading separate)")); break; | |
2969 | case DW_DS_trailing_separate: printf (_("(trailing separate)")); break; | |
2970 | default: printf (_("(unrecognised)")); break; | |
2971 | } | |
2972 | break; | |
2973 | ||
2974 | case DW_AT_defaulted: | |
2975 | printf ("\t"); | |
2976 | switch (uvalue) | |
2977 | { | |
2978 | case DW_DEFAULTED_no: printf (_("(no)")); break; | |
2979 | case DW_DEFAULTED_in_class: printf (_("(in class)")); break; | |
2980 | case DW_DEFAULTED_out_of_class: printf (_("(out of class)")); break; | |
2981 | default: printf (_("(unrecognised)")); break; | |
2982 | } | |
2983 | break; | |
2984 | ||
2985 | case DW_AT_discr_list: | |
2986 | printf ("\t"); | |
ec1b0fbb | 2987 | display_discr_list (form, uvalue, data, end, level); |
04914e37 NC |
2988 | break; |
2989 | ||
19e6b90e L |
2990 | case DW_AT_frame_base: |
2991 | have_frame_base = 1; | |
1a0670f3 | 2992 | /* Fall through. */ |
19e6b90e | 2993 | case DW_AT_location: |
e2a0d921 NC |
2994 | case DW_AT_string_length: |
2995 | case DW_AT_return_addr: | |
19e6b90e L |
2996 | case DW_AT_data_member_location: |
2997 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
2998 | case DW_AT_segment: |
2999 | case DW_AT_static_link: | |
3000 | case DW_AT_use_location: | |
bc0a77d2 | 3001 | case DW_AT_call_value: |
629e7ca8 | 3002 | case DW_AT_GNU_call_site_value: |
bc0a77d2 | 3003 | case DW_AT_call_data_value: |
629e7ca8 | 3004 | case DW_AT_GNU_call_site_data_value: |
bc0a77d2 | 3005 | case DW_AT_call_target: |
629e7ca8 | 3006 | case DW_AT_GNU_call_site_target: |
bc0a77d2 | 3007 | case DW_AT_call_target_clobbered: |
629e7ca8 | 3008 | case DW_AT_GNU_call_site_target_clobbered: |
212b6063 | 3009 | if ((dwarf_version < 4 |
b4eb7656 | 3010 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 3011 | || form == DW_FORM_sec_offset) |
2e9e81a8 | 3012 | printf (_(" (location list)")); |
e2a0d921 | 3013 | /* Fall through. */ |
19e6b90e L |
3014 | case DW_AT_allocated: |
3015 | case DW_AT_associated: | |
3016 | case DW_AT_data_location: | |
3017 | case DW_AT_stride: | |
3018 | case DW_AT_upper_bound: | |
cecf136e | 3019 | case DW_AT_lower_bound: |
19e6b90e L |
3020 | if (block_start) |
3021 | { | |
3022 | int need_frame_base; | |
3023 | ||
2e9e81a8 | 3024 | printf ("\t("); |
19e6b90e L |
3025 | need_frame_base = decode_location_expression (block_start, |
3026 | pointer_size, | |
b7807392 JJ |
3027 | offset_size, |
3028 | dwarf_version, | |
19e6b90e | 3029 | uvalue, |
f1c4cc75 | 3030 | cu_offset, section); |
19e6b90e L |
3031 | printf (")"); |
3032 | if (need_frame_base && !have_frame_base) | |
3033 | printf (_(" [without DW_AT_frame_base]")); | |
3034 | } | |
19e6b90e L |
3035 | break; |
3036 | ||
c54207d3 NC |
3037 | case DW_AT_data_bit_offset: |
3038 | case DW_AT_byte_size: | |
3039 | case DW_AT_bit_size: | |
3040 | case DW_AT_string_length_byte_size: | |
3041 | case DW_AT_string_length_bit_size: | |
3042 | case DW_AT_bit_stride: | |
3043 | if (form == DW_FORM_exprloc) | |
3044 | { | |
3045 | printf ("\t("); | |
3046 | (void) decode_location_expression (block_start, pointer_size, | |
3047 | offset_size, dwarf_version, | |
3048 | uvalue, cu_offset, section); | |
3049 | printf (")"); | |
3050 | } | |
3051 | break; | |
3052 | ||
ec4d4525 NC |
3053 | case DW_AT_import: |
3054 | { | |
a081f3cd JJ |
3055 | if (form == DW_FORM_ref_sig8 |
3056 | || form == DW_FORM_GNU_ref_alt) | |
b4eb7656 | 3057 | break; |
2b6f5997 | 3058 | |
ec4d4525 NC |
3059 | if (form == DW_FORM_ref1 |
3060 | || form == DW_FORM_ref2 | |
a7a0b6a5 JK |
3061 | || form == DW_FORM_ref4 |
3062 | || form == DW_FORM_ref_udata) | |
ec4d4525 NC |
3063 | uvalue += cu_offset; |
3064 | ||
6e3d6dc1 | 3065 | if (uvalue >= section->size) |
f3853b34 | 3066 | warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset 0x%lx is too big.\n"), |
47704ddf KT |
3067 | dwarf_vmatoa ("x", uvalue), |
3068 | (unsigned long) (orig_data - section->start)); | |
6e3d6dc1 NC |
3069 | else |
3070 | { | |
3071 | unsigned long abbrev_number; | |
3072 | abbrev_entry * entry; | |
3073 | ||
f6f0e17b | 3074 | abbrev_number = read_uleb128 (section->start + uvalue, NULL, end); |
cecf136e | 3075 | |
2e9e81a8 | 3076 | printf (_("\t[Abbrev Number: %ld"), abbrev_number); |
afd6e1ff JJ |
3077 | /* Don't look up abbrev for DW_FORM_ref_addr, as it very often will |
3078 | use different abbrev table, and we don't track .debug_info chunks | |
3079 | yet. */ | |
3080 | if (form != DW_FORM_ref_addr) | |
3081 | { | |
3082 | for (entry = first_abbrev; entry != NULL; entry = entry->next) | |
3083 | if (entry->entry == abbrev_number) | |
3084 | break; | |
3085 | if (entry != NULL) | |
3086 | printf (" (%s)", get_TAG_name (entry->tag)); | |
3087 | } | |
6e3d6dc1 NC |
3088 | printf ("]"); |
3089 | } | |
ec4d4525 NC |
3090 | } |
3091 | break; | |
3092 | ||
19e6b90e L |
3093 | default: |
3094 | break; | |
3095 | } | |
3096 | ||
3097 | return data; | |
3098 | } | |
3099 | ||
19e6b90e | 3100 | static unsigned char * |
dda8d76d NC |
3101 | read_and_display_attr (unsigned long attribute, |
3102 | unsigned long form, | |
3103 | dwarf_signed_vma implicit_const, | |
ec1b0fbb | 3104 | unsigned char * start, |
dda8d76d NC |
3105 | unsigned char * data, |
3106 | unsigned char * end, | |
3107 | dwarf_vma cu_offset, | |
3108 | dwarf_vma pointer_size, | |
3109 | dwarf_vma offset_size, | |
3110 | int dwarf_version, | |
3111 | debug_info * debug_info_p, | |
3112 | int do_loc, | |
3113 | struct dwarf_section * section, | |
ec1b0fbb NC |
3114 | struct cu_tu_set * this_set, |
3115 | int level) | |
19e6b90e L |
3116 | { |
3117 | if (!do_loc) | |
750f03b7 | 3118 | printf (" %-18s:", get_AT_name (attribute)); |
ec1b0fbb NC |
3119 | data = read_and_display_attr_value (attribute, form, implicit_const, |
3120 | start, data, end, | |
f6f0e17b | 3121 | cu_offset, pointer_size, offset_size, |
19e6b90e | 3122 | dwarf_version, debug_info_p, |
ec1b0fbb | 3123 | do_loc, section, this_set, ' ', level); |
19e6b90e L |
3124 | if (!do_loc) |
3125 | printf ("\n"); | |
3126 | return data; | |
3127 | } | |
3128 | ||
dda8d76d | 3129 | /* Like load_debug_section, but if the ordinary call fails, and we are |
24841daa NC |
3130 | following debug links, then attempt to load the requested section |
3131 | from one of the separate debug info files. */ | |
dda8d76d NC |
3132 | |
3133 | static bfd_boolean | |
3134 | load_debug_section_with_follow (enum dwarf_section_display_enum sec_enum, | |
24841daa | 3135 | void * handle) |
dda8d76d | 3136 | { |
24841daa | 3137 | if (load_debug_section (sec_enum, handle)) |
dda8d76d | 3138 | { |
24841daa NC |
3139 | if (debug_displays[sec_enum].section.filename == NULL) |
3140 | { | |
3141 | /* See if we can associate a filename with this section. */ | |
3142 | separate_info * i; | |
3143 | ||
3144 | for (i = first_separate_info; i != NULL; i = i->next) | |
3145 | if (i->handle == handle) | |
3146 | { | |
3147 | debug_displays[sec_enum].section.filename = i->filename; | |
3148 | break; | |
3149 | } | |
3150 | } | |
3151 | ||
dda8d76d NC |
3152 | return TRUE; |
3153 | } | |
3154 | ||
24841daa NC |
3155 | if (do_follow_links) |
3156 | { | |
3157 | separate_info * i; | |
3158 | ||
3159 | for (i = first_separate_info; i != NULL; i = i->next) | |
3160 | { | |
3161 | if (load_debug_section (sec_enum, i->handle)) | |
3162 | { | |
3163 | debug_displays[sec_enum].section.filename = i->filename; | |
3164 | ||
3165 | /* FIXME: We should check to see if any of the remaining debug info | |
3166 | files also contain this section, and, umm, do something about it. */ | |
3167 | return TRUE; | |
3168 | } | |
3169 | } | |
3170 | } | |
dda8d76d NC |
3171 | |
3172 | return FALSE; | |
3173 | } | |
3174 | ||
3175 | static void | |
3176 | introduce (struct dwarf_section * section, bfd_boolean raw) | |
3177 | { | |
3178 | if (raw) | |
3179 | { | |
3180 | if (do_follow_links && section->filename) | |
3181 | printf (_("Raw dump of debug contents of section %s (loaded from %s):\n\n"), | |
3182 | section->name, section->filename); | |
3183 | else | |
3184 | printf (_("Raw dump of debug contents of section %s:\n\n"), section->name); | |
3185 | } | |
3186 | else | |
3187 | { | |
3188 | if (do_follow_links && section->filename) | |
3189 | printf (_("Contents of the %s section (loaded from %s):\n\n"), | |
3190 | section->name, section->filename); | |
3191 | else | |
3192 | printf (_("Contents of the %s section:\n\n"), section->name); | |
3193 | } | |
3194 | } | |
3195 | ||
d85bf2ba NC |
3196 | /* Process the contents of a .debug_info section. |
3197 | If do_loc is TRUE then we are scanning for location lists and dwo tags | |
3198 | and we do not want to display anything to the user. | |
3199 | If do_types is TRUE, we are processing a .debug_types section instead of | |
3200 | a .debug_info section. | |
3201 | The information displayed is restricted by the values in DWARF_START_DIE | |
3202 | and DWARF_CUTOFF_LEVEL. | |
3203 | Returns TRUE upon success. Otherwise an error or warning message is | |
3204 | printed and FALSE is returned. */ | |
19e6b90e | 3205 | |
d85bf2ba NC |
3206 | static bfd_boolean |
3207 | process_debug_info (struct dwarf_section * section, | |
3208 | void * file, | |
3209 | enum dwarf_section_display_enum abbrev_sec, | |
3210 | bfd_boolean do_loc, | |
3211 | bfd_boolean do_types) | |
19e6b90e L |
3212 | { |
3213 | unsigned char *start = section->start; | |
3214 | unsigned char *end = start + section->size; | |
3215 | unsigned char *section_begin; | |
3216 | unsigned int unit; | |
3217 | unsigned int num_units = 0; | |
3218 | ||
3219 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
3220 | && num_debug_info_entries == 0 |
3221 | && ! do_types) | |
19e6b90e | 3222 | { |
767221a9 | 3223 | dwarf_vma length; |
19e6b90e L |
3224 | |
3225 | /* First scan the section to get the number of comp units. */ | |
3226 | for (section_begin = start, num_units = 0; section_begin < end; | |
3227 | num_units ++) | |
3228 | { | |
3229 | /* Read the first 4 bytes. For a 32-bit DWARF section, this | |
3230 | will be the length. For a 64-bit DWARF section, it'll be | |
3231 | the escape code 0xffffffff followed by an 8 byte length. */ | |
0c588247 | 3232 | SAFE_BYTE_GET (length, section_begin, 4, end); |
19e6b90e L |
3233 | |
3234 | if (length == 0xffffffff) | |
3235 | { | |
0c588247 | 3236 | SAFE_BYTE_GET (length, section_begin + 4, 8, end); |
19e6b90e L |
3237 | section_begin += length + 12; |
3238 | } | |
ec4d4525 NC |
3239 | else if (length >= 0xfffffff0 && length < 0xffffffff) |
3240 | { | |
767221a9 NC |
3241 | warn (_("Reserved length value (0x%s) found in section %s\n"), |
3242 | dwarf_vmatoa ("x", length), section->name); | |
d85bf2ba | 3243 | return FALSE; |
ec4d4525 | 3244 | } |
19e6b90e L |
3245 | else |
3246 | section_begin += length + 4; | |
aca88567 NC |
3247 | |
3248 | /* Negative values are illegal, they may even cause infinite | |
3249 | looping. This can happen if we can't accurately apply | |
f3853b34 NC |
3250 | relocations to an object file, or if the file is corrupt. */ |
3251 | if ((signed long) length <= 0 || section_begin < start) | |
aca88567 | 3252 | { |
767221a9 NC |
3253 | warn (_("Corrupt unit length (0x%s) found in section %s\n"), |
3254 | dwarf_vmatoa ("x", length), section->name); | |
d85bf2ba | 3255 | return FALSE; |
aca88567 | 3256 | } |
19e6b90e L |
3257 | } |
3258 | ||
3259 | if (num_units == 0) | |
3260 | { | |
f41e4712 | 3261 | error (_("No comp units in %s section ?\n"), section->name); |
d85bf2ba | 3262 | return FALSE; |
19e6b90e L |
3263 | } |
3264 | ||
3265 | /* Then allocate an array to hold the information. */ | |
3f5e193b | 3266 | debug_information = (debug_info *) cmalloc (num_units, |
1306a742 | 3267 | sizeof (* debug_information)); |
19e6b90e L |
3268 | if (debug_information == NULL) |
3269 | { | |
f41e4712 | 3270 | error (_("Not enough memory for a debug info array of %u entries\n"), |
19e6b90e | 3271 | num_units); |
82b1b41b | 3272 | alloc_num_debug_info_entries = num_debug_info_entries = 0; |
d85bf2ba | 3273 | return FALSE; |
19e6b90e | 3274 | } |
d85bf2ba | 3275 | |
03a91817 NC |
3276 | /* PR 17531: file: 92ca3797. |
3277 | We cannot rely upon the debug_information array being initialised | |
3278 | before it is used. A corrupt file could easily contain references | |
3279 | to a unit for which information has not been made available. So | |
3280 | we ensure that the array is zeroed here. */ | |
b4eb7656 AM |
3281 | memset (debug_information, 0, num_units * sizeof (*debug_information)); |
3282 | ||
82b1b41b | 3283 | alloc_num_debug_info_entries = num_units; |
19e6b90e L |
3284 | } |
3285 | ||
3286 | if (!do_loc) | |
3287 | { | |
dda8d76d NC |
3288 | load_debug_section_with_follow (str, file); |
3289 | load_debug_section_with_follow (line_str, file); | |
3290 | load_debug_section_with_follow (str_dwo, file); | |
3291 | load_debug_section_with_follow (str_index, file); | |
3292 | load_debug_section_with_follow (str_index_dwo, file); | |
3293 | load_debug_section_with_follow (debug_addr, file); | |
19e6b90e L |
3294 | } |
3295 | ||
dda8d76d | 3296 | load_debug_section_with_follow (abbrev_sec, file); |
6f875884 | 3297 | if (debug_displays [abbrev_sec].section.start == NULL) |
19e6b90e L |
3298 | { |
3299 | warn (_("Unable to locate %s section!\n"), | |
dda8d76d | 3300 | debug_displays [abbrev_sec].section.uncompressed_name); |
d85bf2ba | 3301 | return FALSE; |
19e6b90e L |
3302 | } |
3303 | ||
dda8d76d NC |
3304 | if (!do_loc && dwarf_start_die == 0) |
3305 | introduce (section, FALSE); | |
3306 | ||
19e6b90e L |
3307 | for (section_begin = start, unit = 0; start < end; unit++) |
3308 | { | |
3309 | DWARF2_Internal_CompUnit compunit; | |
3310 | unsigned char *hdrptr; | |
19e6b90e | 3311 | unsigned char *tags; |
fd2f0033 | 3312 | int level, last_level, saved_level; |
467c65bc | 3313 | dwarf_vma cu_offset; |
e98fdf1a | 3314 | unsigned long sec_off; |
bf5117e3 | 3315 | unsigned int offset_size; |
19485196 | 3316 | unsigned int initial_length_size; |
74bc6052 CC |
3317 | dwarf_vma signature_high = 0; |
3318 | dwarf_vma signature_low = 0; | |
767221a9 | 3319 | dwarf_vma type_offset = 0; |
341f9135 CC |
3320 | struct cu_tu_set *this_set; |
3321 | dwarf_vma abbrev_base; | |
3322 | size_t abbrev_size; | |
19e6b90e L |
3323 | |
3324 | hdrptr = start; | |
3325 | ||
0c588247 | 3326 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end); |
19e6b90e L |
3327 | |
3328 | if (compunit.cu_length == 0xffffffff) | |
3329 | { | |
0c588247 | 3330 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end); |
19e6b90e L |
3331 | offset_size = 8; |
3332 | initial_length_size = 12; | |
3333 | } | |
3334 | else | |
3335 | { | |
3336 | offset_size = 4; | |
3337 | initial_length_size = 4; | |
3338 | } | |
3339 | ||
0c588247 | 3340 | SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end); |
19e6b90e L |
3341 | |
3342 | cu_offset = start - section_begin; | |
19e6b90e | 3343 | |
341f9135 CC |
3344 | this_set = find_cu_tu_set_v2 (cu_offset, do_types); |
3345 | ||
77145576 JK |
3346 | if (compunit.cu_version < 5) |
3347 | { | |
3348 | compunit.cu_unit_type = DW_UT_compile; | |
3349 | /* Initialize it due to a false compiler warning. */ | |
3350 | compunit.cu_pointer_size = -1; | |
3351 | } | |
3352 | else | |
3353 | { | |
3354 | SAFE_BYTE_GET_AND_INC (compunit.cu_unit_type, hdrptr, 1, end); | |
3355 | do_types = (compunit.cu_unit_type == DW_UT_type); | |
3356 | ||
3357 | SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end); | |
3358 | } | |
3359 | ||
0c588247 | 3360 | SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end); |
19e6b90e | 3361 | |
341f9135 CC |
3362 | if (this_set == NULL) |
3363 | { | |
3364 | abbrev_base = 0; | |
3365 | abbrev_size = debug_displays [abbrev_sec].section.size; | |
3366 | } | |
3367 | else | |
3368 | { | |
3369 | abbrev_base = this_set->section_offsets [DW_SECT_ABBREV]; | |
3370 | abbrev_size = this_set->section_sizes [DW_SECT_ABBREV]; | |
3371 | } | |
3372 | ||
77145576 JK |
3373 | if (compunit.cu_version < 5) |
3374 | SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end); | |
3375 | ||
f41e4712 NC |
3376 | /* PR 17512: file: 001-108546-0.001:0.1. */ |
3377 | if (compunit.cu_pointer_size < 2 || compunit.cu_pointer_size > 8) | |
3378 | { | |
3379 | warn (_("Invalid pointer size (%d) in compunit header, using %d instead\n"), | |
3380 | compunit.cu_pointer_size, offset_size); | |
3381 | compunit.cu_pointer_size = offset_size; | |
3382 | } | |
2b6f5997 CC |
3383 | |
3384 | if (do_types) | |
b4eb7656 | 3385 | { |
0c588247 | 3386 | SAFE_BYTE_GET64 (hdrptr, &signature_high, &signature_low, end); |
f048b142 | 3387 | hdrptr += 8; |
0c588247 | 3388 | SAFE_BYTE_GET_AND_INC (type_offset, hdrptr, offset_size, end); |
b4eb7656 | 3389 | } |
2b6f5997 | 3390 | |
ae7e7825 NC |
3391 | if (dwarf_start_die > (cu_offset + compunit.cu_length |
3392 | + initial_length_size)) | |
3393 | { | |
3394 | start = section_begin + cu_offset + compunit.cu_length | |
3395 | + initial_length_size; | |
3396 | continue; | |
3397 | } | |
3398 | ||
19e6b90e | 3399 | if ((do_loc || do_debug_loc || do_debug_ranges) |
2b6f5997 CC |
3400 | && num_debug_info_entries == 0 |
3401 | && ! do_types) | |
19e6b90e L |
3402 | { |
3403 | debug_information [unit].cu_offset = cu_offset; | |
3404 | debug_information [unit].pointer_size | |
3405 | = compunit.cu_pointer_size; | |
b7807392 JJ |
3406 | debug_information [unit].offset_size = offset_size; |
3407 | debug_information [unit].dwarf_version = compunit.cu_version; | |
19e6b90e | 3408 | debug_information [unit].base_address = 0; |
4723351a CC |
3409 | debug_information [unit].addr_base = DEBUG_INFO_UNAVAILABLE; |
3410 | debug_information [unit].ranges_base = DEBUG_INFO_UNAVAILABLE; | |
19e6b90e L |
3411 | debug_information [unit].loc_offsets = NULL; |
3412 | debug_information [unit].have_frame_base = NULL; | |
3413 | debug_information [unit].max_loc_offsets = 0; | |
3414 | debug_information [unit].num_loc_offsets = 0; | |
3415 | debug_information [unit].range_lists = NULL; | |
3416 | debug_information [unit].max_range_lists= 0; | |
3417 | debug_information [unit].num_range_lists = 0; | |
3418 | } | |
3419 | ||
fd2f0033 | 3420 | if (!do_loc && dwarf_start_die == 0) |
19e6b90e | 3421 | { |
47704ddf KT |
3422 | printf (_(" Compilation Unit @ offset 0x%s:\n"), |
3423 | dwarf_vmatoa ("x", cu_offset)); | |
3424 | printf (_(" Length: 0x%s (%s)\n"), | |
3425 | dwarf_vmatoa ("x", compunit.cu_length), | |
49e7b350 | 3426 | offset_size == 8 ? "64-bit" : "32-bit"); |
19e6b90e | 3427 | printf (_(" Version: %d\n"), compunit.cu_version); |
7282333f AM |
3428 | printf (_(" Abbrev Offset: 0x%s\n"), |
3429 | dwarf_vmatoa ("x", compunit.cu_abbrev_offset)); | |
19e6b90e | 3430 | printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size); |
2b6f5997 CC |
3431 | if (do_types) |
3432 | { | |
74bc6052 CC |
3433 | char buf[64]; |
3434 | ||
3435 | printf (_(" Signature: 0x%s\n"), | |
3436 | dwarf_vmatoa64 (signature_high, signature_low, | |
3437 | buf, sizeof (buf))); | |
3438 | printf (_(" Type Offset: 0x%s\n"), | |
3439 | dwarf_vmatoa ("x", type_offset)); | |
2b6f5997 | 3440 | } |
341f9135 CC |
3441 | if (this_set != NULL) |
3442 | { | |
3443 | dwarf_vma *offsets = this_set->section_offsets; | |
3444 | size_t *sizes = this_set->section_sizes; | |
3445 | ||
3446 | printf (_(" Section contributions:\n")); | |
3447 | printf (_(" .debug_abbrev.dwo: 0x%s 0x%s\n"), | |
3448 | dwarf_vmatoa ("x", offsets [DW_SECT_ABBREV]), | |
3449 | dwarf_vmatoa ("x", sizes [DW_SECT_ABBREV])); | |
3450 | printf (_(" .debug_line.dwo: 0x%s 0x%s\n"), | |
3451 | dwarf_vmatoa ("x", offsets [DW_SECT_LINE]), | |
3452 | dwarf_vmatoa ("x", sizes [DW_SECT_LINE])); | |
3453 | printf (_(" .debug_loc.dwo: 0x%s 0x%s\n"), | |
3454 | dwarf_vmatoa ("x", offsets [DW_SECT_LOC]), | |
3455 | dwarf_vmatoa ("x", sizes [DW_SECT_LOC])); | |
3456 | printf (_(" .debug_str_offsets.dwo: 0x%s 0x%s\n"), | |
3457 | dwarf_vmatoa ("x", offsets [DW_SECT_STR_OFFSETS]), | |
3458 | dwarf_vmatoa ("x", sizes [DW_SECT_STR_OFFSETS])); | |
3459 | } | |
19e6b90e L |
3460 | } |
3461 | ||
e98fdf1a AM |
3462 | sec_off = cu_offset + initial_length_size; |
3463 | if (sec_off + compunit.cu_length < sec_off | |
3464 | || sec_off + compunit.cu_length > section->size) | |
460c89ff | 3465 | { |
e98fdf1a AM |
3466 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), |
3467 | section->name, | |
3468 | (unsigned long) cu_offset, | |
19485196 NC |
3469 | dwarf_vmatoa ("x", compunit.cu_length)); |
3470 | num_units = unit; | |
3471 | break; | |
3472 | } | |
3473 | ||
460c89ff NS |
3474 | tags = hdrptr; |
3475 | start += compunit.cu_length + initial_length_size; | |
3476 | ||
77145576 | 3477 | if (compunit.cu_version < 2 || compunit.cu_version > 5) |
19e6b90e | 3478 | { |
47704ddf KT |
3479 | warn (_("CU at offset %s contains corrupt or " |
3480 | "unsupported version number: %d.\n"), | |
3481 | dwarf_vmatoa ("x", cu_offset), compunit.cu_version); | |
19e6b90e L |
3482 | continue; |
3483 | } | |
3484 | ||
77145576 JK |
3485 | if (compunit.cu_unit_type != DW_UT_compile |
3486 | && compunit.cu_unit_type != DW_UT_type) | |
3487 | { | |
3488 | warn (_("CU at offset %s contains corrupt or " | |
3489 | "unsupported unit type: %d.\n"), | |
3490 | dwarf_vmatoa ("x", cu_offset), compunit.cu_unit_type); | |
3491 | continue; | |
3492 | } | |
3493 | ||
19e6b90e L |
3494 | free_abbrevs (); |
3495 | ||
d493b283 | 3496 | /* Process the abbrevs used by this compilation unit. */ |
341f9135 | 3497 | if (compunit.cu_abbrev_offset >= abbrev_size) |
ec4d4525 NC |
3498 | warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"), |
3499 | (unsigned long) compunit.cu_abbrev_offset, | |
341f9135 | 3500 | (unsigned long) abbrev_size); |
b4eb7656 | 3501 | /* PR 17531: file:4bcd9ce9. */ |
a0a3b04c L |
3502 | else if ((abbrev_base + abbrev_size) |
3503 | > debug_displays [abbrev_sec].section.size) | |
3504 | warn (_("Debug info is corrupted, abbrev size (%lx) is larger than abbrev section size (%lx)\n"), | |
3505 | (unsigned long) abbrev_base + abbrev_size, | |
3506 | (unsigned long) debug_displays [abbrev_sec].section.size); | |
460c89ff NS |
3507 | else |
3508 | process_abbrev_section | |
341f9135 CC |
3509 | (((unsigned char *) debug_displays [abbrev_sec].section.start |
3510 | + abbrev_base + compunit.cu_abbrev_offset), | |
3511 | ((unsigned char *) debug_displays [abbrev_sec].section.start | |
3512 | + abbrev_base + abbrev_size)); | |
19e6b90e L |
3513 | |
3514 | level = 0; | |
fd2f0033 TT |
3515 | last_level = level; |
3516 | saved_level = -1; | |
19e6b90e L |
3517 | while (tags < start) |
3518 | { | |
3519 | unsigned int bytes_read; | |
3520 | unsigned long abbrev_number; | |
ec4d4525 | 3521 | unsigned long die_offset; |
19e6b90e L |
3522 | abbrev_entry *entry; |
3523 | abbrev_attr *attr; | |
fd2f0033 | 3524 | int do_printing = 1; |
19e6b90e | 3525 | |
ec4d4525 NC |
3526 | die_offset = tags - section_begin; |
3527 | ||
f6f0e17b | 3528 | abbrev_number = read_uleb128 (tags, & bytes_read, start); |
19e6b90e L |
3529 | tags += bytes_read; |
3530 | ||
eb7cc021 JK |
3531 | /* A null DIE marks the end of a list of siblings or it may also be |
3532 | a section padding. */ | |
19e6b90e L |
3533 | if (abbrev_number == 0) |
3534 | { | |
eb7cc021 JK |
3535 | /* Check if it can be a section padding for the last CU. */ |
3536 | if (level == 0 && start == end) | |
3537 | { | |
3538 | unsigned char *chk; | |
3539 | ||
3540 | for (chk = tags; chk < start; chk++) | |
3541 | if (*chk != 0) | |
3542 | break; | |
3543 | if (chk == start) | |
3544 | break; | |
3545 | } | |
3546 | ||
4337774f TT |
3547 | if (!do_loc && die_offset >= dwarf_start_die |
3548 | && (dwarf_cutoff_level == -1 | |
3549 | || level < dwarf_cutoff_level)) | |
399c99f7 L |
3550 | printf (_(" <%d><%lx>: Abbrev Number: 0\n"), |
3551 | level, die_offset); | |
3552 | ||
19e6b90e | 3553 | --level; |
ec4d4525 NC |
3554 | if (level < 0) |
3555 | { | |
3556 | static unsigned num_bogus_warns = 0; | |
3557 | ||
3558 | if (num_bogus_warns < 3) | |
3559 | { | |
4723351a CC |
3560 | warn (_("Bogus end-of-siblings marker detected at offset %lx in %s section\n"), |
3561 | die_offset, section->name); | |
ec4d4525 NC |
3562 | num_bogus_warns ++; |
3563 | if (num_bogus_warns == 3) | |
3564 | warn (_("Further warnings about bogus end-of-sibling markers suppressed\n")); | |
3565 | } | |
3566 | } | |
fd2f0033 | 3567 | if (dwarf_start_die != 0 && level < saved_level) |
d85bf2ba | 3568 | return TRUE; |
19e6b90e L |
3569 | continue; |
3570 | } | |
3571 | ||
4b78141a | 3572 | if (!do_loc) |
fd2f0033 TT |
3573 | { |
3574 | if (dwarf_start_die != 0 && die_offset < dwarf_start_die) | |
3575 | do_printing = 0; | |
3576 | else | |
3577 | { | |
3578 | if (dwarf_start_die != 0 && die_offset == dwarf_start_die) | |
3579 | saved_level = level; | |
3580 | do_printing = (dwarf_cutoff_level == -1 | |
3581 | || level < dwarf_cutoff_level); | |
3582 | if (do_printing) | |
3583 | printf (_(" <%d><%lx>: Abbrev Number: %lu"), | |
3584 | level, die_offset, abbrev_number); | |
3585 | else if (dwarf_cutoff_level == -1 | |
3586 | || last_level < dwarf_cutoff_level) | |
3587 | printf (_(" <%d><%lx>: ...\n"), level, die_offset); | |
3588 | last_level = level; | |
3589 | } | |
3590 | } | |
cecf136e | 3591 | |
19e6b90e L |
3592 | /* Scan through the abbreviation list until we reach the |
3593 | correct entry. */ | |
3594 | for (entry = first_abbrev; | |
3595 | entry && entry->entry != abbrev_number; | |
3596 | entry = entry->next) | |
3597 | continue; | |
3598 | ||
3599 | if (entry == NULL) | |
3600 | { | |
fd2f0033 | 3601 | if (!do_loc && do_printing) |
4b78141a NC |
3602 | { |
3603 | printf ("\n"); | |
3604 | fflush (stdout); | |
3605 | } | |
f3853b34 | 3606 | warn (_("DIE at offset 0x%lx refers to abbreviation number %lu which does not exist\n"), |
cc86f28f | 3607 | die_offset, abbrev_number); |
d85bf2ba | 3608 | return FALSE; |
19e6b90e L |
3609 | } |
3610 | ||
fd2f0033 | 3611 | if (!do_loc && do_printing) |
cc5914eb | 3612 | printf (" (%s)\n", get_TAG_name (entry->tag)); |
cecf136e | 3613 | |
19e6b90e L |
3614 | switch (entry->tag) |
3615 | { | |
3616 | default: | |
3617 | need_base_address = 0; | |
3618 | break; | |
3619 | case DW_TAG_compile_unit: | |
d85bf2ba NC |
3620 | need_base_address = 1; |
3621 | need_dwo_info = do_loc; | |
19e6b90e L |
3622 | break; |
3623 | case DW_TAG_entry_point: | |
19e6b90e L |
3624 | case DW_TAG_subprogram: |
3625 | need_base_address = 0; | |
3626 | /* Assuming that there is no DW_AT_frame_base. */ | |
3627 | have_frame_base = 0; | |
3628 | break; | |
3629 | } | |
3630 | ||
9f272209 AO |
3631 | debug_info *debug_info_p = |
3632 | (debug_information && unit < alloc_num_debug_info_entries) | |
3633 | ? debug_information + unit : NULL; | |
3634 | ||
3635 | assert (!debug_info_p | |
3636 | || (debug_info_p->num_loc_offsets | |
3637 | == debug_info_p->num_loc_views)); | |
3638 | ||
399c99f7 L |
3639 | for (attr = entry->first_attr; |
3640 | attr && attr->attribute; | |
3641 | attr = attr->next) | |
4b78141a | 3642 | { |
fd2f0033 | 3643 | if (! do_loc && do_printing) |
4b78141a | 3644 | /* Show the offset from where the tag was extracted. */ |
fd2f0033 | 3645 | printf (" <%lx>", (unsigned long)(tags - section_begin)); |
4b78141a NC |
3646 | tags = read_and_display_attr (attr->attribute, |
3647 | attr->form, | |
77145576 | 3648 | attr->implicit_const, |
ec1b0fbb | 3649 | section_begin, |
341f9135 | 3650 | tags, |
f6f0e17b | 3651 | end, |
341f9135 | 3652 | cu_offset, |
4b78141a NC |
3653 | compunit.cu_pointer_size, |
3654 | offset_size, | |
3655 | compunit.cu_version, | |
9f272209 | 3656 | debug_info_p, |
341f9135 CC |
3657 | do_loc || ! do_printing, |
3658 | section, | |
ec1b0fbb NC |
3659 | this_set, |
3660 | level); | |
4b78141a | 3661 | } |
cecf136e | 3662 | |
9f272209 AO |
3663 | /* If a locview attribute appears before a location one, |
3664 | make sure we don't associate it with an earlier | |
3665 | loclist. */ | |
3666 | if (debug_info_p) | |
3667 | switch (debug_info_p->num_loc_offsets - debug_info_p->num_loc_views) | |
3668 | { | |
3669 | case 1: | |
3670 | debug_info_p->loc_views [debug_info_p->num_loc_views] = vm1; | |
3671 | debug_info_p->num_loc_views++; | |
3672 | assert (debug_info_p->num_loc_views | |
3673 | == debug_info_p->num_loc_offsets); | |
3674 | break; | |
3675 | ||
3676 | case 0: | |
3677 | break; | |
3678 | ||
3679 | case -1: | |
3680 | warn(_("DIE has locviews without loclist\n")); | |
3681 | debug_info_p->num_loc_views--; | |
3682 | break; | |
3683 | ||
3684 | default: | |
3685 | assert (0); | |
3686 | } | |
3687 | ||
b4eb7656 AM |
3688 | if (entry->children) |
3689 | ++level; | |
3690 | } | |
19e6b90e | 3691 | } |
cecf136e | 3692 | |
19e6b90e L |
3693 | /* Set num_debug_info_entries here so that it can be used to check if |
3694 | we need to process .debug_loc and .debug_ranges sections. */ | |
3695 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
3696 | && num_debug_info_entries == 0 |
3697 | && ! do_types) | |
82b1b41b | 3698 | { |
b4eb7656 | 3699 | if (num_units > alloc_num_debug_info_entries) |
82b1b41b NC |
3700 | num_debug_info_entries = alloc_num_debug_info_entries; |
3701 | else | |
3702 | num_debug_info_entries = num_units; | |
3703 | } | |
cecf136e | 3704 | |
19e6b90e | 3705 | if (!do_loc) |
467c65bc | 3706 | printf ("\n"); |
cecf136e | 3707 | |
d85bf2ba | 3708 | return TRUE; |
19e6b90e L |
3709 | } |
3710 | ||
3711 | /* Locate and scan the .debug_info section in the file and record the pointer | |
3712 | sizes and offsets for the compilation units in it. Usually an executable | |
3713 | will have just one pointer size, but this is not guaranteed, and so we try | |
3714 | not to make any assumptions. Returns zero upon failure, or the number of | |
3715 | compilation units upon success. */ | |
3716 | ||
3717 | static unsigned int | |
3718 | load_debug_info (void * file) | |
3719 | { | |
1febe64d | 3720 | /* If we have already tried and failed to load the .debug_info |
657d0d47 | 3721 | section then do not bother to repeat the task. */ |
cc86f28f | 3722 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) |
1febe64d NC |
3723 | return 0; |
3724 | ||
19e6b90e L |
3725 | /* If we already have the information there is nothing else to do. */ |
3726 | if (num_debug_info_entries > 0) | |
3727 | return num_debug_info_entries; | |
3728 | ||
341f9135 | 3729 | /* If this is a DWARF package file, load the CU and TU indexes. */ |
43a444f9 | 3730 | (void) load_cu_tu_indexes (file); |
341f9135 | 3731 | |
dda8d76d | 3732 | if (load_debug_section_with_follow (info, file) |
d85bf2ba | 3733 | && process_debug_info (&debug_displays [info].section, file, abbrev, TRUE, FALSE)) |
19e6b90e | 3734 | return num_debug_info_entries; |
82b1b41b | 3735 | |
dda8d76d | 3736 | if (load_debug_section_with_follow (info_dwo, file) |
82b1b41b | 3737 | && process_debug_info (&debug_displays [info_dwo].section, file, |
d85bf2ba | 3738 | abbrev_dwo, TRUE, FALSE)) |
4723351a | 3739 | return num_debug_info_entries; |
1febe64d | 3740 | |
cc86f28f | 3741 | num_debug_info_entries = DEBUG_INFO_UNAVAILABLE; |
1febe64d | 3742 | return 0; |
19e6b90e L |
3743 | } |
3744 | ||
b40bf0a2 NC |
3745 | /* Read a DWARF .debug_line section header starting at DATA. |
3746 | Upon success returns an updated DATA pointer and the LINFO | |
3747 | structure and the END_OF_SEQUENCE pointer will be filled in. | |
3748 | Otherwise returns NULL. */ | |
19e6b90e | 3749 | |
b40bf0a2 NC |
3750 | static unsigned char * |
3751 | read_debug_line_header (struct dwarf_section * section, | |
3752 | unsigned char * data, | |
3753 | unsigned char * end, | |
3754 | DWARF2_Internal_LineInfo * linfo, | |
3755 | unsigned char ** end_of_sequence) | |
3756 | { | |
3757 | unsigned char *hdrptr; | |
b40bf0a2 | 3758 | unsigned int initial_length_size; |
77145576 | 3759 | unsigned char address_size, segment_selector_size; |
19e6b90e | 3760 | |
b40bf0a2 NC |
3761 | /* Extract information from the Line Number Program Header. |
3762 | (section 6.2.4 in the Dwarf3 doc). */ | |
6937bb54 | 3763 | hdrptr = data; |
19e6b90e | 3764 | |
b40bf0a2 NC |
3765 | /* Get and check the length of the block. */ |
3766 | SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 4, end); | |
19e6b90e | 3767 | |
b40bf0a2 | 3768 | if (linfo->li_length == 0xffffffff) |
f41e4712 NC |
3769 | { |
3770 | /* This section is 64-bit DWARF 3. */ | |
b40bf0a2 | 3771 | SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end); |
77145576 | 3772 | linfo->li_offset_size = 8; |
f41e4712 NC |
3773 | initial_length_size = 12; |
3774 | } | |
3775 | else | |
3776 | { | |
77145576 | 3777 | linfo->li_offset_size = 4; |
f41e4712 NC |
3778 | initial_length_size = 4; |
3779 | } | |
19e6b90e | 3780 | |
b40bf0a2 | 3781 | if (linfo->li_length + initial_length_size > section->size) |
f41e4712 | 3782 | { |
8fcc61b4 NC |
3783 | /* If the length field has a relocation against it, then we should |
3784 | not complain if it is inaccurate (and probably negative). This | |
3785 | happens in object files when the .debug_line section is actually | |
3786 | comprised of several different .debug_line.* sections, (some of | |
3787 | which may be removed by linker garbage collection), and a relocation | |
3788 | is used to compute the correct length once that is done. */ | |
77145576 | 3789 | if (reloc_at (section, (hdrptr - section->start) - linfo->li_offset_size)) |
b40bf0a2 | 3790 | { |
8fcc61b4 | 3791 | linfo->li_length = (end - data) - initial_length_size; |
b40bf0a2 NC |
3792 | } |
3793 | else | |
3794 | { | |
8fcc61b4 NC |
3795 | warn (_("The length field (0x%lx) in the debug_line header is wrong - the section is too small\n"), |
3796 | (long) linfo->li_length); | |
b40bf0a2 NC |
3797 | return NULL; |
3798 | } | |
f41e4712 | 3799 | } |
19e6b90e | 3800 | |
b40bf0a2 NC |
3801 | /* Get and check the version number. */ |
3802 | SAFE_BYTE_GET_AND_INC (linfo->li_version, hdrptr, 2, end); | |
3803 | ||
3804 | if (linfo->li_version != 2 | |
3805 | && linfo->li_version != 3 | |
77145576 JK |
3806 | && linfo->li_version != 4 |
3807 | && linfo->li_version != 5) | |
f41e4712 | 3808 | { |
77145576 JK |
3809 | warn (_("Only DWARF version 2, 3, 4 and 5 line info " |
3810 | "is currently supported.\n")); | |
b40bf0a2 | 3811 | return NULL; |
f41e4712 | 3812 | } |
19e6b90e | 3813 | |
77145576 JK |
3814 | if (linfo->li_version >= 5) |
3815 | { | |
3816 | SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end); | |
3817 | ||
3818 | SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end); | |
3819 | if (segment_selector_size != 0) | |
3820 | { | |
3821 | warn (_("The %s section contains " | |
3822 | "unsupported segment selector size: %d.\n"), | |
3823 | section->name, segment_selector_size); | |
3824 | return 0; | |
3825 | } | |
3826 | } | |
3827 | ||
3828 | SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr, | |
3829 | linfo->li_offset_size, end); | |
b40bf0a2 | 3830 | SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end); |
0c588247 | 3831 | |
b40bf0a2 | 3832 | if (linfo->li_version >= 4) |
f41e4712 | 3833 | { |
b40bf0a2 | 3834 | SAFE_BYTE_GET_AND_INC (linfo->li_max_ops_per_insn, hdrptr, 1, end); |
0c588247 | 3835 | |
b40bf0a2 | 3836 | if (linfo->li_max_ops_per_insn == 0) |
f41e4712 NC |
3837 | { |
3838 | warn (_("Invalid maximum operations per insn.\n")); | |
b40bf0a2 | 3839 | return NULL; |
a233b20c | 3840 | } |
f41e4712 NC |
3841 | } |
3842 | else | |
b40bf0a2 | 3843 | linfo->li_max_ops_per_insn = 1; |
0c588247 | 3844 | |
b40bf0a2 | 3845 | SAFE_BYTE_GET_AND_INC (linfo->li_default_is_stmt, hdrptr, 1, end); |
65879393 | 3846 | SAFE_SIGNED_BYTE_GET_AND_INC (linfo->li_line_base, hdrptr, 1, end); |
b40bf0a2 NC |
3847 | SAFE_BYTE_GET_AND_INC (linfo->li_line_range, hdrptr, 1, end); |
3848 | SAFE_BYTE_GET_AND_INC (linfo->li_opcode_base, hdrptr, 1, end); | |
19e6b90e | 3849 | |
b40bf0a2 | 3850 | * end_of_sequence = data + linfo->li_length + initial_length_size; |
b4eb7656 | 3851 | /* PR 17512: file:002-117414-0.004. */ |
6937bb54 NC |
3852 | if (* end_of_sequence > end) |
3853 | { | |
4c219c2e AM |
3854 | warn (_("Line length %s extends beyond end of section\n"), |
3855 | dwarf_vmatoa ("u", linfo->li_length)); | |
6937bb54 NC |
3856 | * end_of_sequence = end; |
3857 | return NULL; | |
3858 | } | |
3859 | ||
b40bf0a2 NC |
3860 | return hdrptr; |
3861 | } | |
19e6b90e | 3862 | |
77145576 | 3863 | static unsigned char * |
dda8d76d NC |
3864 | display_formatted_table (unsigned char * data, |
3865 | unsigned char * start, | |
3866 | unsigned char * end, | |
3867 | const DWARF2_Internal_LineInfo * linfo, | |
3868 | struct dwarf_section * section, | |
7b8d9e8c | 3869 | bfd_boolean is_dir) |
77145576 JK |
3870 | { |
3871 | unsigned char *format_start, format_count, *format, formati; | |
3872 | dwarf_vma data_count, datai; | |
3873 | unsigned int bytes_read, namepass, last_entry = 0; | |
3874 | ||
3875 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); | |
3876 | format_start = data; | |
3877 | for (formati = 0; formati < format_count; formati++) | |
3878 | { | |
3879 | read_uleb128 (data, & bytes_read, end); | |
3880 | data += bytes_read; | |
3881 | read_uleb128 (data, & bytes_read, end); | |
3882 | data += bytes_read; | |
3883 | if (data == end) | |
3884 | { | |
7b8d9e8c AM |
3885 | if (is_dir) |
3886 | warn (_("Corrupt directory format table entry\n")); | |
3887 | else | |
3888 | warn (_("Corrupt file name format table entry\n")); | |
77145576 JK |
3889 | return data; |
3890 | } | |
3891 | } | |
3892 | ||
3893 | data_count = read_uleb128 (data, & bytes_read, end); | |
3894 | data += bytes_read; | |
3895 | if (data == end) | |
3896 | { | |
7b8d9e8c AM |
3897 | if (is_dir) |
3898 | warn (_("Corrupt directory list\n")); | |
3899 | else | |
3900 | warn (_("Corrupt file name list\n")); | |
77145576 JK |
3901 | return data; |
3902 | } | |
3903 | ||
3904 | if (data_count == 0) | |
3905 | { | |
7b8d9e8c AM |
3906 | if (is_dir) |
3907 | printf (_("\n The Directory Table is empty.\n")); | |
3908 | else | |
3909 | printf (_("\n The File Name Table is empty.\n")); | |
77145576 JK |
3910 | return data; |
3911 | } | |
3912 | ||
7b8d9e8c AM |
3913 | if (is_dir) |
3914 | printf (_("\n The Directory Table (offset 0x%lx):\n"), | |
3915 | (long) (data - start)); | |
3916 | else | |
3917 | printf (_("\n The File Name Table (offset 0x%lx):\n"), | |
3918 | (long) (data - start)); | |
77145576 JK |
3919 | |
3920 | printf (_(" Entry")); | |
3921 | /* Delay displaying name as the last entry for better screen layout. */ | |
3922 | for (namepass = 0; namepass < 2; namepass++) | |
3923 | { | |
3924 | format = format_start; | |
3925 | for (formati = 0; formati < format_count; formati++) | |
3926 | { | |
3927 | dwarf_vma content_type; | |
3928 | ||
3929 | content_type = read_uleb128 (format, & bytes_read, end); | |
3930 | format += bytes_read; | |
3931 | if ((content_type == DW_LNCT_path) == (namepass == 1)) | |
3932 | switch (content_type) | |
3933 | { | |
3934 | case DW_LNCT_path: | |
3935 | printf (_("\tName")); | |
3936 | break; | |
3937 | case DW_LNCT_directory_index: | |
3938 | printf (_("\tDir")); | |
3939 | break; | |
3940 | case DW_LNCT_timestamp: | |
3941 | printf (_("\tTime")); | |
3942 | break; | |
3943 | case DW_LNCT_size: | |
3944 | printf (_("\tSize")); | |
3945 | break; | |
3946 | case DW_LNCT_MD5: | |
3947 | printf (_("\tMD5")); | |
3948 | break; | |
3949 | default: | |
3950 | printf (_("\t(Unknown format content type %s)"), | |
3951 | dwarf_vmatoa ("u", content_type)); | |
3952 | } | |
3953 | read_uleb128 (format, & bytes_read, end); | |
3954 | format += bytes_read; | |
3955 | } | |
3956 | } | |
3957 | putchar ('\n'); | |
3958 | ||
3959 | for (datai = 0; datai < data_count; datai++) | |
3960 | { | |
3961 | unsigned char *datapass = data; | |
3962 | ||
3963 | printf (" %d", last_entry++); | |
3964 | /* Delay displaying name as the last entry for better screen layout. */ | |
3965 | for (namepass = 0; namepass < 2; namepass++) | |
3966 | { | |
3967 | format = format_start; | |
3968 | data = datapass; | |
3969 | for (formati = 0; formati < format_count; formati++) | |
3970 | { | |
3971 | dwarf_vma content_type, form; | |
3972 | ||
3973 | content_type = read_uleb128 (format, & bytes_read, end); | |
3974 | format += bytes_read; | |
3975 | form = read_uleb128 (format, & bytes_read, end); | |
3976 | format += bytes_read; | |
ec1b0fbb | 3977 | data = read_and_display_attr_value (0, form, 0, start, data, end, 0, 0, |
77145576 JK |
3978 | linfo->li_offset_size, |
3979 | linfo->li_version, NULL, | |
3980 | ((content_type == DW_LNCT_path) != (namepass == 1)), | |
ec1b0fbb | 3981 | section, NULL, '\t', -1); |
77145576 JK |
3982 | } |
3983 | } | |
3984 | if (data == end) | |
3985 | { | |
7b8d9e8c AM |
3986 | if (is_dir) |
3987 | warn (_("Corrupt directory entries list\n")); | |
3988 | else | |
3989 | warn (_("Corrupt file name entries list\n")); | |
77145576 JK |
3990 | return data; |
3991 | } | |
3992 | putchar ('\n'); | |
3993 | } | |
3994 | return data; | |
3995 | } | |
3996 | ||
b40bf0a2 | 3997 | static int |
dda8d76d NC |
3998 | display_debug_lines_raw (struct dwarf_section * section, |
3999 | unsigned char * data, | |
4000 | unsigned char * end, | |
4001 | void * file) | |
b40bf0a2 NC |
4002 | { |
4003 | unsigned char *start = section->start; | |
ba8826a8 | 4004 | int verbose_view = 0; |
19e6b90e | 4005 | |
dda8d76d | 4006 | introduce (section, TRUE); |
19e6b90e | 4007 | |
b40bf0a2 NC |
4008 | while (data < end) |
4009 | { | |
4010 | static DWARF2_Internal_LineInfo saved_linfo; | |
4011 | DWARF2_Internal_LineInfo linfo; | |
4012 | unsigned char *standard_opcodes; | |
4013 | unsigned char *end_of_sequence; | |
fe59e83d | 4014 | int i; |
19e6b90e | 4015 | |
4925cdd7 NC |
4016 | if (const_strneq (section->name, ".debug_line.") |
4017 | /* Note: the following does not apply to .debug_line.dwo sections. | |
4018 | These are full debug_line sections. */ | |
4019 | && strcmp (section->name, ".debug_line.dwo") != 0) | |
19e6b90e | 4020 | { |
b40bf0a2 NC |
4021 | /* Sections named .debug_line.<foo> are fragments of a .debug_line |
4022 | section containing just the Line Number Statements. They are | |
4023 | created by the assembler and intended to be used alongside gcc's | |
4024 | -ffunction-sections command line option. When the linker's | |
4025 | garbage collection decides to discard a .text.<foo> section it | |
4026 | can then also discard the line number information in .debug_line.<foo>. | |
4027 | ||
4925cdd7 | 4028 | Since the section is a fragment it does not have the details |
b40bf0a2 | 4029 | needed to fill out a LineInfo structure, so instead we use the |
4925cdd7 | 4030 | details from the last full debug_line section that we processed. */ |
b40bf0a2 NC |
4031 | end_of_sequence = end; |
4032 | standard_opcodes = NULL; | |
4033 | linfo = saved_linfo; | |
058037d3 NC |
4034 | /* PR 17531: file: 0522b371. */ |
4035 | if (linfo.li_line_range == 0) | |
4036 | { | |
1306a742 | 4037 | warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n")); |
058037d3 NC |
4038 | return 0; |
4039 | } | |
b40bf0a2 | 4040 | reset_state_machine (linfo.li_default_is_stmt); |
19e6b90e | 4041 | } |
19e6b90e L |
4042 | else |
4043 | { | |
b40bf0a2 | 4044 | unsigned char * hdrptr; |
19e6b90e | 4045 | |
b40bf0a2 NC |
4046 | if ((hdrptr = read_debug_line_header (section, data, end, & linfo, |
4047 | & end_of_sequence)) == NULL) | |
4048 | return 0; | |
19e6b90e | 4049 | |
b40bf0a2 NC |
4050 | printf (_(" Offset: 0x%lx\n"), (long)(data - start)); |
4051 | printf (_(" Length: %ld\n"), (long) linfo.li_length); | |
4052 | printf (_(" DWARF Version: %d\n"), linfo.li_version); | |
77ef8654 | 4053 | printf (_(" Prologue Length: %d\n"), (int) linfo.li_prologue_length); |
b40bf0a2 NC |
4054 | printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length); |
4055 | if (linfo.li_version >= 4) | |
4056 | printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn); | |
4057 | printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt); | |
4058 | printf (_(" Line Base: %d\n"), linfo.li_line_base); | |
4059 | printf (_(" Line Range: %d\n"), linfo.li_line_range); | |
4060 | printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base); | |
19e6b90e | 4061 | |
0a9d414a NC |
4062 | /* PR 17512: file: 1665-6428-0.004. */ |
4063 | if (linfo.li_line_range == 0) | |
4064 | { | |
4065 | warn (_("Line range of 0 is invalid, using 1 instead\n")); | |
4066 | linfo.li_line_range = 1; | |
4067 | } | |
77ef8654 | 4068 | |
b40bf0a2 | 4069 | reset_state_machine (linfo.li_default_is_stmt); |
19e6b90e | 4070 | |
b40bf0a2 NC |
4071 | /* Display the contents of the Opcodes table. */ |
4072 | standard_opcodes = hdrptr; | |
19e6b90e | 4073 | |
6937bb54 NC |
4074 | /* PR 17512: file: 002-417945-0.004. */ |
4075 | if (standard_opcodes + linfo.li_opcode_base >= end) | |
4076 | { | |
4077 | warn (_("Line Base extends beyond end of section\n")); | |
4078 | return 0; | |
4079 | } | |
4080 | ||
b40bf0a2 | 4081 | printf (_("\n Opcodes:\n")); |
19e6b90e | 4082 | |
b40bf0a2 | 4083 | for (i = 1; i < linfo.li_opcode_base; i++) |
d3a49aa8 AM |
4084 | printf (ngettext (" Opcode %d has %d arg\n", |
4085 | " Opcode %d has %d args\n", | |
4086 | standard_opcodes[i - 1]), | |
4087 | i, standard_opcodes[i - 1]); | |
19e6b90e | 4088 | |
b40bf0a2 NC |
4089 | /* Display the contents of the Directory table. */ |
4090 | data = standard_opcodes + linfo.li_opcode_base - 1; | |
19e6b90e | 4091 | |
77145576 | 4092 | if (linfo.li_version >= 5) |
b40bf0a2 | 4093 | { |
dda8d76d | 4094 | load_debug_section_with_follow (line_str, file); |
19e6b90e | 4095 | |
77145576 | 4096 | data = display_formatted_table (data, start, end, &linfo, section, |
7b8d9e8c | 4097 | TRUE); |
77145576 | 4098 | data = display_formatted_table (data, start, end, &linfo, section, |
7b8d9e8c | 4099 | FALSE); |
77145576 JK |
4100 | } |
4101 | else | |
4102 | { | |
4103 | if (*data == 0) | |
4104 | printf (_("\n The Directory Table is empty.\n")); | |
4105 | else | |
a233b20c | 4106 | { |
77145576 | 4107 | unsigned int last_dir_entry = 0; |
6937bb54 | 4108 | |
77145576 JK |
4109 | printf (_("\n The Directory Table (offset 0x%lx):\n"), |
4110 | (long)(data - start)); | |
19e6b90e | 4111 | |
77145576 JK |
4112 | while (data < end && *data != 0) |
4113 | { | |
4114 | printf (" %d\t%.*s\n", ++last_dir_entry, (int) (end - data), data); | |
19e6b90e | 4115 | |
77145576 JK |
4116 | data += strnlen ((char *) data, end - data) + 1; |
4117 | } | |
19e6b90e | 4118 | |
77145576 JK |
4119 | /* PR 17512: file: 002-132094-0.004. */ |
4120 | if (data >= end - 1) | |
4121 | break; | |
4122 | } | |
19e6b90e | 4123 | |
77145576 JK |
4124 | /* Skip the NUL at the end of the table. */ |
4125 | data++; | |
19e6b90e | 4126 | |
77145576 JK |
4127 | /* Display the contents of the File Name table. */ |
4128 | if (*data == 0) | |
4129 | printf (_("\n The File Name Table is empty.\n")); | |
4130 | else | |
4131 | { | |
4132 | printf (_("\n The File Name Table (offset 0x%lx):\n"), | |
4133 | (long)(data - start)); | |
4134 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); | |
19e6b90e | 4135 | |
77145576 | 4136 | while (data < end && *data != 0) |
b40bf0a2 | 4137 | { |
77145576 JK |
4138 | unsigned char *name; |
4139 | unsigned int bytes_read; | |
4140 | ||
4141 | printf (" %d\t", ++state_machine_regs.last_file_entry); | |
4142 | name = data; | |
4143 | data += strnlen ((char *) data, end - data) + 1; | |
4144 | ||
4145 | printf ("%s\t", | |
4146 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
4147 | data += bytes_read; | |
4148 | printf ("%s\t", | |
4149 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
4150 | data += bytes_read; | |
4151 | printf ("%s\t", | |
4152 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
4153 | data += bytes_read; | |
4154 | printf ("%.*s\n", (int)(end - name), name); | |
4155 | ||
4156 | if (data == end) | |
4157 | { | |
4158 | warn (_("Corrupt file name table entry\n")); | |
4159 | break; | |
4160 | } | |
b40bf0a2 | 4161 | } |
a233b20c | 4162 | } |
77145576 JK |
4163 | |
4164 | /* Skip the NUL at the end of the table. */ | |
4165 | data++; | |
b40bf0a2 | 4166 | } |
19e6b90e | 4167 | |
b40bf0a2 NC |
4168 | putchar ('\n'); |
4169 | saved_linfo = linfo; | |
4170 | } | |
19e6b90e | 4171 | |
b40bf0a2 NC |
4172 | /* Now display the statements. */ |
4173 | if (data >= end_of_sequence) | |
4174 | printf (_(" No Line Number Statements.\n")); | |
4175 | else | |
4176 | { | |
4177 | printf (_(" Line Number Statements:\n")); | |
19e6b90e | 4178 | |
b40bf0a2 NC |
4179 | while (data < end_of_sequence) |
4180 | { | |
4181 | unsigned char op_code; | |
4182 | dwarf_signed_vma adv; | |
4183 | dwarf_vma uladv; | |
4184 | unsigned int bytes_read; | |
19e6b90e | 4185 | |
fe59e83d CC |
4186 | printf (" [0x%08lx]", (long)(data - start)); |
4187 | ||
b40bf0a2 | 4188 | op_code = *data++; |
19e6b90e | 4189 | |
b40bf0a2 | 4190 | if (op_code >= linfo.li_opcode_base) |
19e6b90e | 4191 | { |
b40bf0a2 NC |
4192 | op_code -= linfo.li_opcode_base; |
4193 | uladv = (op_code / linfo.li_line_range); | |
4194 | if (linfo.li_max_ops_per_insn == 1) | |
4195 | { | |
4196 | uladv *= linfo.li_min_insn_length; | |
4197 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
4198 | if (uladv) |
4199 | state_machine_regs.view = 0; | |
b40bf0a2 | 4200 | printf (_(" Special opcode %d: " |
ba8826a8 | 4201 | "advance Address by %s to 0x%s%s"), |
b40bf0a2 | 4202 | op_code, dwarf_vmatoa ("u", uladv), |
ba8826a8 AO |
4203 | dwarf_vmatoa ("x", state_machine_regs.address), |
4204 | verbose_view && uladv | |
4205 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
4206 | } |
4207 | else | |
4208 | { | |
ba8826a8 AO |
4209 | unsigned addrdelta |
4210 | = ((state_machine_regs.op_index + uladv) | |
b40bf0a2 NC |
4211 | / linfo.li_max_ops_per_insn) |
4212 | * linfo.li_min_insn_length; | |
ba8826a8 AO |
4213 | |
4214 | state_machine_regs.address += addrdelta; | |
b40bf0a2 NC |
4215 | state_machine_regs.op_index |
4216 | = (state_machine_regs.op_index + uladv) | |
4217 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
4218 | if (addrdelta) |
4219 | state_machine_regs.view = 0; | |
b40bf0a2 | 4220 | printf (_(" Special opcode %d: " |
ba8826a8 | 4221 | "advance Address by %s to 0x%s[%d]%s"), |
b40bf0a2 NC |
4222 | op_code, dwarf_vmatoa ("u", uladv), |
4223 | dwarf_vmatoa ("x", state_machine_regs.address), | |
ba8826a8 AO |
4224 | state_machine_regs.op_index, |
4225 | verbose_view && addrdelta | |
4226 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
4227 | } |
4228 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; | |
4229 | state_machine_regs.line += adv; | |
ba8826a8 | 4230 | printf (_(" and Line by %s to %d"), |
b40bf0a2 | 4231 | dwarf_vmatoa ("d", adv), state_machine_regs.line); |
ba8826a8 AO |
4232 | if (verbose_view || state_machine_regs.view) |
4233 | printf (_(" (view %u)\n"), state_machine_regs.view); | |
4234 | else | |
4235 | putchar ('\n'); | |
4236 | state_machine_regs.view++; | |
19e6b90e | 4237 | } |
b40bf0a2 NC |
4238 | else switch (op_code) |
4239 | { | |
4240 | case DW_LNS_extended_op: | |
4241 | data += process_extended_line_op (data, linfo.li_default_is_stmt, end); | |
4242 | break; | |
4243 | ||
4244 | case DW_LNS_copy: | |
ba8826a8 AO |
4245 | printf (_(" Copy")); |
4246 | if (verbose_view || state_machine_regs.view) | |
4247 | printf (_(" (view %u)\n"), state_machine_regs.view); | |
4248 | else | |
4249 | putchar ('\n'); | |
4250 | state_machine_regs.view++; | |
b40bf0a2 NC |
4251 | break; |
4252 | ||
4253 | case DW_LNS_advance_pc: | |
4254 | uladv = read_uleb128 (data, & bytes_read, end); | |
4255 | data += bytes_read; | |
4256 | if (linfo.li_max_ops_per_insn == 1) | |
4257 | { | |
4258 | uladv *= linfo.li_min_insn_length; | |
4259 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
4260 | if (uladv) |
4261 | state_machine_regs.view = 0; | |
4262 | printf (_(" Advance PC by %s to 0x%s%s\n"), | |
b40bf0a2 | 4263 | dwarf_vmatoa ("u", uladv), |
ba8826a8 AO |
4264 | dwarf_vmatoa ("x", state_machine_regs.address), |
4265 | verbose_view && uladv | |
4266 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
4267 | } |
4268 | else | |
4269 | { | |
ba8826a8 AO |
4270 | unsigned addrdelta |
4271 | = ((state_machine_regs.op_index + uladv) | |
4272 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 4273 | * linfo.li_min_insn_length; |
ba8826a8 AO |
4274 | state_machine_regs.address |
4275 | += addrdelta; | |
b40bf0a2 NC |
4276 | state_machine_regs.op_index |
4277 | = (state_machine_regs.op_index + uladv) | |
4278 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
4279 | if (addrdelta) |
4280 | state_machine_regs.view = 0; | |
4281 | printf (_(" Advance PC by %s to 0x%s[%d]%s\n"), | |
b40bf0a2 NC |
4282 | dwarf_vmatoa ("u", uladv), |
4283 | dwarf_vmatoa ("x", state_machine_regs.address), | |
ba8826a8 AO |
4284 | state_machine_regs.op_index, |
4285 | verbose_view && addrdelta | |
4286 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
4287 | } |
4288 | break; | |
4289 | ||
4290 | case DW_LNS_advance_line: | |
4291 | adv = read_sleb128 (data, & bytes_read, end); | |
4292 | data += bytes_read; | |
4293 | state_machine_regs.line += adv; | |
4294 | printf (_(" Advance Line by %s to %d\n"), | |
4295 | dwarf_vmatoa ("d", adv), | |
4296 | state_machine_regs.line); | |
4297 | break; | |
4298 | ||
4299 | case DW_LNS_set_file: | |
4300 | adv = read_uleb128 (data, & bytes_read, end); | |
4301 | data += bytes_read; | |
4302 | printf (_(" Set File Name to entry %s in the File Name Table\n"), | |
4303 | dwarf_vmatoa ("d", adv)); | |
4304 | state_machine_regs.file = adv; | |
4305 | break; | |
4306 | ||
4307 | case DW_LNS_set_column: | |
4308 | uladv = read_uleb128 (data, & bytes_read, end); | |
4309 | data += bytes_read; | |
4310 | printf (_(" Set column to %s\n"), | |
4311 | dwarf_vmatoa ("u", uladv)); | |
4312 | state_machine_regs.column = uladv; | |
4313 | break; | |
4314 | ||
4315 | case DW_LNS_negate_stmt: | |
4316 | adv = state_machine_regs.is_stmt; | |
4317 | adv = ! adv; | |
4318 | printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv)); | |
4319 | state_machine_regs.is_stmt = adv; | |
4320 | break; | |
4321 | ||
4322 | case DW_LNS_set_basic_block: | |
4323 | printf (_(" Set basic block\n")); | |
4324 | state_machine_regs.basic_block = 1; | |
4325 | break; | |
4326 | ||
4327 | case DW_LNS_const_add_pc: | |
4328 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); | |
4329 | if (linfo.li_max_ops_per_insn) | |
4330 | { | |
4331 | uladv *= linfo.li_min_insn_length; | |
4332 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
4333 | if (uladv) |
4334 | state_machine_regs.view = 0; | |
4335 | printf (_(" Advance PC by constant %s to 0x%s%s\n"), | |
b40bf0a2 | 4336 | dwarf_vmatoa ("u", uladv), |
ba8826a8 AO |
4337 | dwarf_vmatoa ("x", state_machine_regs.address), |
4338 | verbose_view && uladv | |
4339 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
4340 | } |
4341 | else | |
4342 | { | |
ba8826a8 AO |
4343 | unsigned addrdelta |
4344 | = ((state_machine_regs.op_index + uladv) | |
4345 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 4346 | * linfo.li_min_insn_length; |
ba8826a8 AO |
4347 | state_machine_regs.address |
4348 | += addrdelta; | |
b40bf0a2 NC |
4349 | state_machine_regs.op_index |
4350 | = (state_machine_regs.op_index + uladv) | |
4351 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
4352 | if (addrdelta) |
4353 | state_machine_regs.view = 0; | |
4354 | printf (_(" Advance PC by constant %s to 0x%s[%d]%s\n"), | |
b40bf0a2 NC |
4355 | dwarf_vmatoa ("u", uladv), |
4356 | dwarf_vmatoa ("x", state_machine_regs.address), | |
ba8826a8 AO |
4357 | state_machine_regs.op_index, |
4358 | verbose_view && addrdelta | |
4359 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
4360 | } |
4361 | break; | |
4362 | ||
4363 | case DW_LNS_fixed_advance_pc: | |
4364 | SAFE_BYTE_GET_AND_INC (uladv, data, 2, end); | |
4365 | state_machine_regs.address += uladv; | |
4366 | state_machine_regs.op_index = 0; | |
4367 | printf (_(" Advance PC by fixed size amount %s to 0x%s\n"), | |
4368 | dwarf_vmatoa ("u", uladv), | |
4369 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
ba8826a8 | 4370 | /* Do NOT reset view. */ |
b40bf0a2 NC |
4371 | break; |
4372 | ||
4373 | case DW_LNS_set_prologue_end: | |
4374 | printf (_(" Set prologue_end to true\n")); | |
4375 | break; | |
4376 | ||
4377 | case DW_LNS_set_epilogue_begin: | |
4378 | printf (_(" Set epilogue_begin to true\n")); | |
4379 | break; | |
4380 | ||
4381 | case DW_LNS_set_isa: | |
4382 | uladv = read_uleb128 (data, & bytes_read, end); | |
4383 | data += bytes_read; | |
4384 | printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv)); | |
4385 | break; | |
4386 | ||
4387 | default: | |
4388 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
4389 | ||
4390 | if (standard_opcodes != NULL) | |
4391 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
4392 | { | |
4393 | printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data, | |
4394 | &bytes_read, end)), | |
4395 | i == 1 ? "" : ", "); | |
4396 | data += bytes_read; | |
4397 | } | |
4398 | putchar ('\n'); | |
4399 | break; | |
4400 | } | |
19e6b90e | 4401 | } |
b40bf0a2 | 4402 | putchar ('\n'); |
19e6b90e | 4403 | } |
19e6b90e L |
4404 | } |
4405 | ||
4406 | return 1; | |
4407 | } | |
4408 | ||
a262ae96 NC |
4409 | typedef struct |
4410 | { | |
467c65bc NC |
4411 | unsigned char *name; |
4412 | unsigned int directory_index; | |
4413 | unsigned int modification_date; | |
4414 | unsigned int length; | |
a262ae96 NC |
4415 | } File_Entry; |
4416 | ||
4417 | /* Output a decoded representation of the .debug_line section. */ | |
4418 | ||
4419 | static int | |
dda8d76d | 4420 | display_debug_lines_decoded (struct dwarf_section * section, |
ec1b0fbb | 4421 | unsigned char * start, |
dda8d76d NC |
4422 | unsigned char * data, |
4423 | unsigned char * end, | |
4424 | void * fileptr) | |
a262ae96 | 4425 | { |
b40bf0a2 NC |
4426 | static DWARF2_Internal_LineInfo saved_linfo; |
4427 | ||
dda8d76d | 4428 | introduce (section, FALSE); |
a262ae96 NC |
4429 | |
4430 | while (data < end) | |
4431 | { | |
4432 | /* This loop amounts to one iteration per compilation unit. */ | |
91d6fa6a | 4433 | DWARF2_Internal_LineInfo linfo; |
a262ae96 NC |
4434 | unsigned char *standard_opcodes; |
4435 | unsigned char *end_of_sequence; | |
a262ae96 NC |
4436 | int i; |
4437 | File_Entry *file_table = NULL; | |
143a3db0 | 4438 | unsigned int n_files = 0; |
a262ae96 | 4439 | unsigned char **directory_table = NULL; |
77145576 | 4440 | dwarf_vma n_directories = 0; |
a262ae96 | 4441 | |
4925cdd7 NC |
4442 | if (const_strneq (section->name, ".debug_line.") |
4443 | /* Note: the following does not apply to .debug_line.dwo sections. | |
4444 | These are full debug_line sections. */ | |
4445 | && strcmp (section->name, ".debug_line.dwo") != 0) | |
b4eb7656 | 4446 | { |
4925cdd7 | 4447 | /* See comment in display_debug_lines_raw(). */ |
b40bf0a2 NC |
4448 | end_of_sequence = end; |
4449 | standard_opcodes = NULL; | |
4450 | linfo = saved_linfo; | |
058037d3 NC |
4451 | /* PR 17531: file: 0522b371. */ |
4452 | if (linfo.li_line_range == 0) | |
4453 | { | |
1306a742 | 4454 | warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n")); |
058037d3 NC |
4455 | return 0; |
4456 | } | |
b40bf0a2 | 4457 | reset_state_machine (linfo.li_default_is_stmt); |
b4eb7656 | 4458 | } |
a262ae96 | 4459 | else |
b4eb7656 | 4460 | { |
b40bf0a2 | 4461 | unsigned char *hdrptr; |
a262ae96 | 4462 | |
b40bf0a2 NC |
4463 | if ((hdrptr = read_debug_line_header (section, data, end, & linfo, |
4464 | & end_of_sequence)) == NULL) | |
a233b20c | 4465 | return 0; |
0c588247 | 4466 | |
058037d3 NC |
4467 | /* PR 17531: file: 0522b371. */ |
4468 | if (linfo.li_line_range == 0) | |
4469 | { | |
4470 | warn (_("Line range of 0 is invalid, using 1 instead\n")); | |
4471 | linfo.li_line_range = 1; | |
4472 | } | |
b40bf0a2 | 4473 | reset_state_machine (linfo.li_default_is_stmt); |
a262ae96 | 4474 | |
b40bf0a2 NC |
4475 | /* Save a pointer to the contents of the Opcodes table. */ |
4476 | standard_opcodes = hdrptr; | |
a262ae96 | 4477 | |
b40bf0a2 NC |
4478 | /* Traverse the Directory table just to count entries. */ |
4479 | data = standard_opcodes + linfo.li_opcode_base - 1; | |
d8024a91 NC |
4480 | /* PR 20440 */ |
4481 | if (data >= end) | |
4482 | { | |
4483 | warn (_("opcode base of %d extends beyond end of section\n"), | |
4484 | linfo.li_opcode_base); | |
4485 | return 0; | |
4486 | } | |
4487 | ||
77145576 | 4488 | if (linfo.li_version >= 5) |
b40bf0a2 | 4489 | { |
77145576 JK |
4490 | unsigned char *format_start, format_count, *format; |
4491 | dwarf_vma formati, entryi; | |
4492 | unsigned int bytes_read; | |
a262ae96 | 4493 | |
dda8d76d | 4494 | load_debug_section_with_follow (line_str, fileptr); |
77145576 JK |
4495 | |
4496 | /* Skip directories format. */ | |
4497 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); | |
4498 | format_start = data; | |
4499 | for (formati = 0; formati < format_count; formati++) | |
b40bf0a2 | 4500 | { |
77145576 JK |
4501 | read_uleb128 (data, & bytes_read, end); |
4502 | data += bytes_read; | |
4503 | read_uleb128 (data, & bytes_read, end); | |
4504 | data += bytes_read; | |
b40bf0a2 | 4505 | } |
a262ae96 | 4506 | |
77145576 JK |
4507 | n_directories = read_uleb128 (data, & bytes_read, end); |
4508 | data += bytes_read; | |
4509 | if (data == end) | |
d8024a91 | 4510 | { |
77145576 | 4511 | warn (_("Corrupt directories list\n")); |
d8024a91 NC |
4512 | break; |
4513 | } | |
4514 | ||
b40bf0a2 NC |
4515 | directory_table = (unsigned char **) |
4516 | xmalloc (n_directories * sizeof (unsigned char *)); | |
a262ae96 | 4517 | |
77145576 | 4518 | for (entryi = 0; entryi < n_directories; entryi++) |
b40bf0a2 | 4519 | { |
77145576 | 4520 | unsigned char **pathp = &directory_table[entryi]; |
a262ae96 | 4521 | |
77145576 JK |
4522 | format = format_start; |
4523 | for (formati = 0; formati < format_count; formati++) | |
4524 | { | |
4525 | dwarf_vma content_type, form; | |
4526 | dwarf_vma uvalue; | |
4527 | ||
4528 | content_type = read_uleb128 (format, & bytes_read, end); | |
4529 | format += bytes_read; | |
4530 | form = read_uleb128 (format, & bytes_read, end); | |
4531 | format += bytes_read; | |
4532 | if (data == end) | |
4533 | { | |
4534 | warn (_("Corrupt directories list\n")); | |
4535 | break; | |
4536 | } | |
4537 | switch (content_type) | |
4538 | { | |
4539 | case DW_LNCT_path: | |
4540 | switch (form) | |
4541 | { | |
4542 | case DW_FORM_string: | |
4543 | *pathp = data; | |
4544 | break; | |
4545 | case DW_FORM_line_strp: | |
4546 | SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size, | |
4547 | end); | |
4548 | /* Remove const by the cast. */ | |
4549 | *pathp = (unsigned char *) | |
4550 | fetch_indirect_line_string (uvalue); | |
4551 | break; | |
4552 | } | |
4553 | break; | |
4554 | } | |
ec1b0fbb | 4555 | data = read_and_display_attr_value (0, form, 0, start, data, end, |
77145576 JK |
4556 | 0, 0, |
4557 | linfo.li_offset_size, | |
4558 | linfo.li_version, | |
4559 | NULL, 1, section, | |
ec1b0fbb | 4560 | NULL, '\t', -1); |
77145576 JK |
4561 | } |
4562 | if (data == end) | |
4563 | { | |
4564 | warn (_("Corrupt directories list\n")); | |
4565 | break; | |
4566 | } | |
4567 | } | |
a262ae96 | 4568 | |
77145576 JK |
4569 | /* Skip files format. */ |
4570 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); | |
4571 | format_start = data; | |
4572 | for (formati = 0; formati < format_count; formati++) | |
b40bf0a2 | 4573 | { |
b40bf0a2 NC |
4574 | read_uleb128 (data, & bytes_read, end); |
4575 | data += bytes_read; | |
4576 | read_uleb128 (data, & bytes_read, end); | |
4577 | data += bytes_read; | |
b40bf0a2 | 4578 | } |
a262ae96 | 4579 | |
77145576 JK |
4580 | n_files = read_uleb128 (data, & bytes_read, end); |
4581 | data += bytes_read; | |
4582 | if (data == end) | |
d8024a91 | 4583 | { |
77145576 | 4584 | warn (_("Corrupt file name list\n")); |
d8024a91 NC |
4585 | break; |
4586 | } | |
4587 | ||
77145576 JK |
4588 | file_table = (File_Entry *) xcalloc (1, n_files |
4589 | * sizeof (File_Entry)); | |
a262ae96 | 4590 | |
77145576 | 4591 | for (entryi = 0; entryi < n_files; entryi++) |
b40bf0a2 | 4592 | { |
77145576 | 4593 | File_Entry *file = &file_table[entryi]; |
a262ae96 | 4594 | |
77145576 JK |
4595 | format = format_start; |
4596 | for (formati = 0; formati < format_count; formati++) | |
4597 | { | |
4598 | dwarf_vma content_type, form; | |
4599 | dwarf_vma uvalue; | |
4600 | ||
4601 | content_type = read_uleb128 (format, & bytes_read, end); | |
4602 | format += bytes_read; | |
4603 | form = read_uleb128 (format, & bytes_read, end); | |
4604 | format += bytes_read; | |
4605 | if (data == end) | |
4606 | { | |
4607 | warn (_("Corrupt file name list\n")); | |
4608 | break; | |
4609 | } | |
4610 | switch (content_type) | |
4611 | { | |
4612 | case DW_LNCT_path: | |
4613 | switch (form) | |
4614 | { | |
4615 | case DW_FORM_string: | |
4616 | file->name = data; | |
4617 | break; | |
4618 | case DW_FORM_line_strp: | |
4619 | SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size, | |
4620 | end); | |
4621 | /* Remove const by the cast. */ | |
4622 | file->name = (unsigned char *) | |
4623 | fetch_indirect_line_string (uvalue); | |
4624 | break; | |
4625 | } | |
4626 | break; | |
4627 | case DW_LNCT_directory_index: | |
4628 | switch (form) | |
4629 | { | |
4630 | case DW_FORM_data1: | |
4631 | SAFE_BYTE_GET (file->directory_index, data, 1, | |
4632 | end); | |
4633 | break; | |
4634 | case DW_FORM_data2: | |
4635 | SAFE_BYTE_GET (file->directory_index, data, 2, | |
4636 | end); | |
4637 | break; | |
4638 | case DW_FORM_udata: | |
4639 | file->directory_index = read_uleb128 (data, NULL, | |
4640 | end); | |
4641 | break; | |
4642 | } | |
4643 | break; | |
4644 | } | |
ec1b0fbb | 4645 | data = read_and_display_attr_value (0, form, 0, start, data, end, |
77145576 JK |
4646 | 0, 0, |
4647 | linfo.li_offset_size, | |
4648 | linfo.li_version, | |
4649 | NULL, 1, section, | |
ec1b0fbb | 4650 | NULL, '\t', -1); |
77145576 JK |
4651 | } |
4652 | if (data == end) | |
4653 | { | |
4654 | warn (_("Corrupt file name list\n")); | |
4655 | break; | |
4656 | } | |
4657 | } | |
4658 | } | |
4659 | else | |
4660 | { | |
4661 | if (*data != 0) | |
b40bf0a2 | 4662 | { |
77145576 JK |
4663 | unsigned char *ptr_directory_table = data; |
4664 | ||
4665 | while (data < end && *data != 0) | |
4666 | { | |
4667 | data += strnlen ((char *) data, end - data) + 1; | |
4668 | n_directories++; | |
4669 | } | |
4670 | ||
4671 | /* PR 20440 */ | |
4672 | if (data >= end) | |
4673 | { | |
4674 | warn (_("directory table ends unexpectedly\n")); | |
4675 | n_directories = 0; | |
4676 | break; | |
4677 | } | |
4678 | ||
4679 | /* Go through the directory table again to save the directories. */ | |
4680 | directory_table = (unsigned char **) | |
4681 | xmalloc (n_directories * sizeof (unsigned char *)); | |
4682 | ||
4683 | i = 0; | |
4684 | while (*ptr_directory_table != 0) | |
4685 | { | |
4686 | directory_table[i] = ptr_directory_table; | |
4687 | ptr_directory_table += strnlen ((char *) ptr_directory_table, | |
4688 | ptr_directory_table - end) + 1; | |
4689 | i++; | |
4690 | } | |
b40bf0a2 | 4691 | } |
77145576 JK |
4692 | /* Skip the NUL at the end of the table. */ |
4693 | data++; | |
4694 | ||
4695 | /* Traverse the File Name table just to count the entries. */ | |
4696 | if (data < end && *data != 0) | |
b40bf0a2 | 4697 | { |
77145576 JK |
4698 | unsigned char *ptr_file_name_table = data; |
4699 | ||
4700 | while (data < end && *data != 0) | |
db9537d2 | 4701 | { |
77145576 JK |
4702 | unsigned int bytes_read; |
4703 | ||
4704 | /* Skip Name, directory index, last modification time and length | |
4705 | of file. */ | |
4706 | data += strnlen ((char *) data, end - data) + 1; | |
4707 | read_uleb128 (data, & bytes_read, end); | |
4708 | data += bytes_read; | |
4709 | read_uleb128 (data, & bytes_read, end); | |
4710 | data += bytes_read; | |
4711 | read_uleb128 (data, & bytes_read, end); | |
4712 | data += bytes_read; | |
4713 | ||
4714 | n_files++; | |
db9537d2 | 4715 | } |
a262ae96 | 4716 | |
77145576 JK |
4717 | if (data >= end) |
4718 | { | |
4719 | warn (_("file table ends unexpectedly\n")); | |
4720 | n_files = 0; | |
4721 | break; | |
4722 | } | |
4723 | ||
4724 | /* Go through the file table again to save the strings. */ | |
4725 | file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry)); | |
0c588247 | 4726 | |
77145576 JK |
4727 | i = 0; |
4728 | while (*ptr_file_name_table != 0) | |
4729 | { | |
4730 | unsigned int bytes_read; | |
4731 | ||
4732 | file_table[i].name = ptr_file_name_table; | |
4733 | ptr_file_name_table += strnlen ((char *) ptr_file_name_table, | |
4734 | end - ptr_file_name_table) + 1; | |
4735 | ||
4736 | /* We are not interested in directory, time or size. */ | |
4737 | file_table[i].directory_index = read_uleb128 (ptr_file_name_table, | |
4738 | & bytes_read, end); | |
4739 | ptr_file_name_table += bytes_read; | |
4740 | file_table[i].modification_date = read_uleb128 (ptr_file_name_table, | |
4741 | & bytes_read, end); | |
4742 | ptr_file_name_table += bytes_read; | |
4743 | file_table[i].length = read_uleb128 (ptr_file_name_table, & bytes_read, end); | |
4744 | ptr_file_name_table += bytes_read; | |
4745 | i++; | |
4746 | } | |
4747 | i = 0; | |
b40bf0a2 | 4748 | } |
77145576 JK |
4749 | |
4750 | /* Skip the NUL at the end of the table. */ | |
4751 | data++; | |
b40bf0a2 | 4752 | } |
cc5914eb | 4753 | |
77145576 | 4754 | /* Print the Compilation Unit's name and a header. */ |
f082820d AM |
4755 | if (file_table == NULL) |
4756 | ; | |
4757 | else if (directory_table == NULL) | |
4758 | printf (_("CU: %s:\n"), file_table[0].name); | |
77145576 JK |
4759 | else |
4760 | { | |
4761 | unsigned int ix = file_table[0].directory_index; | |
4762 | const char *directory; | |
4763 | ||
4764 | if (ix == 0) | |
4765 | directory = "."; | |
4766 | /* PR 20439 */ | |
4767 | else if (n_directories == 0) | |
4768 | directory = _("<unknown>"); | |
4769 | else if (ix > n_directories) | |
4770 | { | |
4771 | warn (_("directory index %u > number of directories %s\n"), | |
4772 | ix, dwarf_vmatoa ("u", n_directories)); | |
4773 | directory = _("<corrupt>"); | |
4774 | } | |
4775 | else | |
4776 | directory = (char *) directory_table[ix - 1]; | |
4777 | ||
4778 | if (do_wide || strlen (directory) < 76) | |
4779 | printf (_("CU: %s/%s:\n"), directory, file_table[0].name); | |
4780 | else | |
4781 | printf ("%s:\n", file_table[0].name); | |
77145576 | 4782 | } |
a262ae96 | 4783 | |
17f6ade2 | 4784 | printf (_("File name Line number Starting address View Stmt\n")); |
b40bf0a2 NC |
4785 | saved_linfo = linfo; |
4786 | } | |
a262ae96 NC |
4787 | |
4788 | /* This loop iterates through the Dwarf Line Number Program. */ | |
4789 | while (data < end_of_sequence) | |
b4eb7656 | 4790 | { |
a262ae96 | 4791 | unsigned char op_code; |
ba8826a8 | 4792 | int xop; |
b4eb7656 AM |
4793 | int adv; |
4794 | unsigned long int uladv; | |
4795 | unsigned int bytes_read; | |
4796 | int is_special_opcode = 0; | |
a262ae96 | 4797 | |
b4eb7656 | 4798 | op_code = *data++; |
ba8826a8 | 4799 | xop = op_code; |
a262ae96 | 4800 | |
b4eb7656 | 4801 | if (op_code >= linfo.li_opcode_base) |
a262ae96 | 4802 | { |
91d6fa6a | 4803 | op_code -= linfo.li_opcode_base; |
a233b20c JJ |
4804 | uladv = (op_code / linfo.li_line_range); |
4805 | if (linfo.li_max_ops_per_insn == 1) | |
4806 | { | |
4807 | uladv *= linfo.li_min_insn_length; | |
4808 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
4809 | if (uladv) |
4810 | state_machine_regs.view = 0; | |
a233b20c JJ |
4811 | } |
4812 | else | |
4813 | { | |
ba8826a8 AO |
4814 | unsigned addrdelta |
4815 | = ((state_machine_regs.op_index + uladv) | |
4816 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 4817 | * linfo.li_min_insn_length; |
ba8826a8 AO |
4818 | state_machine_regs.address |
4819 | += addrdelta; | |
a233b20c JJ |
4820 | state_machine_regs.op_index |
4821 | = (state_machine_regs.op_index + uladv) | |
b40bf0a2 | 4822 | % linfo.li_max_ops_per_insn; |
ba8826a8 AO |
4823 | if (addrdelta) |
4824 | state_machine_regs.view = 0; | |
a233b20c | 4825 | } |
a262ae96 | 4826 | |
b4eb7656 AM |
4827 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; |
4828 | state_machine_regs.line += adv; | |
4829 | is_special_opcode = 1; | |
ba8826a8 | 4830 | /* Increment view after printing this row. */ |
b4eb7656 AM |
4831 | } |
4832 | else switch (op_code) | |
b40bf0a2 NC |
4833 | { |
4834 | case DW_LNS_extended_op: | |
4835 | { | |
4836 | unsigned int ext_op_code_len; | |
4837 | unsigned char ext_op_code; | |
4838 | unsigned char *op_code_data = data; | |
4839 | ||
4840 | ext_op_code_len = read_uleb128 (op_code_data, &bytes_read, | |
4841 | end_of_sequence); | |
4842 | op_code_data += bytes_read; | |
4843 | ||
4844 | if (ext_op_code_len == 0) | |
4845 | { | |
f41e4712 | 4846 | warn (_("Badly formed extended line op encountered!\n")); |
b40bf0a2 NC |
4847 | break; |
4848 | } | |
4849 | ext_op_code_len += bytes_read; | |
4850 | ext_op_code = *op_code_data++; | |
ba8826a8 AO |
4851 | xop = ext_op_code; |
4852 | xop = -xop; | |
b40bf0a2 NC |
4853 | |
4854 | switch (ext_op_code) | |
4855 | { | |
4856 | case DW_LNE_end_sequence: | |
ba8826a8 | 4857 | /* Reset stuff after printing this row. */ |
b40bf0a2 NC |
4858 | break; |
4859 | case DW_LNE_set_address: | |
4860 | SAFE_BYTE_GET_AND_INC (state_machine_regs.address, | |
87bc83b3 CC |
4861 | op_code_data, |
4862 | ext_op_code_len - bytes_read - 1, | |
b40bf0a2 NC |
4863 | end); |
4864 | state_machine_regs.op_index = 0; | |
ba8826a8 | 4865 | state_machine_regs.view = 0; |
b40bf0a2 NC |
4866 | break; |
4867 | case DW_LNE_define_file: | |
4868 | { | |
4869 | file_table = (File_Entry *) xrealloc | |
4870 | (file_table, (n_files + 1) * sizeof (File_Entry)); | |
4871 | ||
4872 | ++state_machine_regs.last_file_entry; | |
4873 | /* Source file name. */ | |
4874 | file_table[n_files].name = op_code_data; | |
4875 | op_code_data += strlen ((char *) op_code_data) + 1; | |
4876 | /* Directory index. */ | |
4877 | file_table[n_files].directory_index = | |
4878 | read_uleb128 (op_code_data, & bytes_read, | |
4879 | end_of_sequence); | |
4880 | op_code_data += bytes_read; | |
4881 | /* Last modification time. */ | |
4882 | file_table[n_files].modification_date = | |
4883 | read_uleb128 (op_code_data, & bytes_read, | |
4884 | end_of_sequence); | |
4885 | op_code_data += bytes_read; | |
4886 | /* File length. */ | |
4887 | file_table[n_files].length = | |
4888 | read_uleb128 (op_code_data, & bytes_read, | |
4889 | end_of_sequence); | |
4890 | ||
4891 | n_files++; | |
4892 | break; | |
4893 | } | |
4894 | case DW_LNE_set_discriminator: | |
4895 | case DW_LNE_HP_set_sequence: | |
4896 | /* Simply ignored. */ | |
4897 | break; | |
4898 | ||
4899 | default: | |
4900 | printf (_("UNKNOWN (%u): length %d\n"), | |
4901 | ext_op_code, ext_op_code_len - bytes_read); | |
4902 | break; | |
4903 | } | |
4904 | data += ext_op_code_len; | |
4905 | break; | |
4906 | } | |
4907 | case DW_LNS_copy: | |
ba8826a8 | 4908 | /* Increment view after printing this row. */ |
b40bf0a2 NC |
4909 | break; |
4910 | ||
4911 | case DW_LNS_advance_pc: | |
4912 | uladv = read_uleb128 (data, & bytes_read, end); | |
4913 | data += bytes_read; | |
4914 | if (linfo.li_max_ops_per_insn == 1) | |
4915 | { | |
4916 | uladv *= linfo.li_min_insn_length; | |
4917 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
4918 | if (uladv) |
4919 | state_machine_regs.view = 0; | |
b40bf0a2 NC |
4920 | } |
4921 | else | |
4922 | { | |
ba8826a8 AO |
4923 | unsigned addrdelta |
4924 | = ((state_machine_regs.op_index + uladv) | |
4925 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 4926 | * linfo.li_min_insn_length; |
ba8826a8 AO |
4927 | state_machine_regs.address |
4928 | += addrdelta; | |
b40bf0a2 NC |
4929 | state_machine_regs.op_index |
4930 | = (state_machine_regs.op_index + uladv) | |
4931 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
4932 | if (addrdelta) |
4933 | state_machine_regs.view = 0; | |
b40bf0a2 NC |
4934 | } |
4935 | break; | |
4936 | ||
4937 | case DW_LNS_advance_line: | |
4938 | adv = read_sleb128 (data, & bytes_read, end); | |
4939 | data += bytes_read; | |
4940 | state_machine_regs.line += adv; | |
4941 | break; | |
4942 | ||
4943 | case DW_LNS_set_file: | |
4944 | adv = read_uleb128 (data, & bytes_read, end); | |
4945 | data += bytes_read; | |
4946 | state_machine_regs.file = adv; | |
4947 | ||
db9537d2 NC |
4948 | { |
4949 | unsigned file = state_machine_regs.file - 1; | |
4950 | unsigned dir; | |
4951 | ||
4952 | if (file_table == NULL || n_files == 0) | |
4953 | printf (_("\n [Use file table entry %d]\n"), file); | |
4954 | /* PR 20439 */ | |
4955 | else if (file >= n_files) | |
4956 | { | |
4957 | warn (_("file index %u > number of files %u\n"), file + 1, n_files); | |
4958 | printf (_("\n <over large file table index %u>"), file); | |
4959 | } | |
4960 | else if ((dir = file_table[file].directory_index) == 0) | |
4961 | /* If directory index is 0, that means current directory. */ | |
4962 | printf ("\n./%s:[++]\n", file_table[file].name); | |
4963 | else if (directory_table == NULL || n_directories == 0) | |
4964 | printf (_("\n [Use file %s in directory table entry %d]\n"), | |
4965 | file_table[file].name, dir); | |
4966 | /* PR 20439 */ | |
4967 | else if (dir > n_directories) | |
4968 | { | |
77145576 JK |
4969 | warn (_("directory index %u > number of directories %s\n"), |
4970 | dir, dwarf_vmatoa ("u", n_directories)); | |
db9537d2 NC |
4971 | printf (_("\n <over large directory table entry %u>\n"), dir); |
4972 | } | |
4973 | else | |
4974 | printf ("\n%s/%s:\n", | |
4975 | /* The directory index starts counting at 1. */ | |
4976 | directory_table[dir - 1], file_table[file].name); | |
4977 | } | |
b40bf0a2 NC |
4978 | break; |
4979 | ||
4980 | case DW_LNS_set_column: | |
4981 | uladv = read_uleb128 (data, & bytes_read, end); | |
4982 | data += bytes_read; | |
4983 | state_machine_regs.column = uladv; | |
4984 | break; | |
4985 | ||
4986 | case DW_LNS_negate_stmt: | |
4987 | adv = state_machine_regs.is_stmt; | |
4988 | adv = ! adv; | |
4989 | state_machine_regs.is_stmt = adv; | |
4990 | break; | |
4991 | ||
4992 | case DW_LNS_set_basic_block: | |
4993 | state_machine_regs.basic_block = 1; | |
4994 | break; | |
4995 | ||
4996 | case DW_LNS_const_add_pc: | |
4997 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); | |
4998 | if (linfo.li_max_ops_per_insn == 1) | |
4999 | { | |
5000 | uladv *= linfo.li_min_insn_length; | |
5001 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
5002 | if (uladv) |
5003 | state_machine_regs.view = 0; | |
b40bf0a2 NC |
5004 | } |
5005 | else | |
5006 | { | |
ba8826a8 AO |
5007 | unsigned addrdelta |
5008 | = ((state_machine_regs.op_index + uladv) | |
5009 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 5010 | * linfo.li_min_insn_length; |
ba8826a8 AO |
5011 | state_machine_regs.address |
5012 | += addrdelta; | |
b40bf0a2 NC |
5013 | state_machine_regs.op_index |
5014 | = (state_machine_regs.op_index + uladv) | |
5015 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
5016 | if (addrdelta) |
5017 | state_machine_regs.view = 0; | |
b40bf0a2 NC |
5018 | } |
5019 | break; | |
5020 | ||
5021 | case DW_LNS_fixed_advance_pc: | |
5022 | SAFE_BYTE_GET_AND_INC (uladv, data, 2, end); | |
5023 | state_machine_regs.address += uladv; | |
5024 | state_machine_regs.op_index = 0; | |
ba8826a8 | 5025 | /* Do NOT reset view. */ |
b40bf0a2 NC |
5026 | break; |
5027 | ||
5028 | case DW_LNS_set_prologue_end: | |
5029 | break; | |
5030 | ||
5031 | case DW_LNS_set_epilogue_begin: | |
5032 | break; | |
5033 | ||
5034 | case DW_LNS_set_isa: | |
5035 | uladv = read_uleb128 (data, & bytes_read, end); | |
5036 | data += bytes_read; | |
5037 | printf (_(" Set ISA to %lu\n"), uladv); | |
5038 | break; | |
5039 | ||
5040 | default: | |
5041 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
5042 | ||
5043 | if (standard_opcodes != NULL) | |
5044 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
5045 | { | |
5046 | printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data, | |
5047 | &bytes_read, end)), | |
5048 | i == 1 ? "" : ", "); | |
5049 | data += bytes_read; | |
5050 | } | |
5051 | putchar ('\n'); | |
5052 | break; | |
5053 | } | |
a262ae96 | 5054 | |
b4eb7656 AM |
5055 | /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row |
5056 | to the DWARF address/line matrix. */ | |
ba8826a8 AO |
5057 | if ((is_special_opcode) || (xop == -DW_LNE_end_sequence) |
5058 | || (xop == DW_LNS_copy)) | |
b4eb7656 AM |
5059 | { |
5060 | const unsigned int MAX_FILENAME_LENGTH = 35; | |
5061 | char *fileName; | |
5062 | char *newFileName = NULL; | |
5063 | size_t fileNameLength; | |
b40bf0a2 NC |
5064 | |
5065 | if (file_table) | |
db9537d2 NC |
5066 | { |
5067 | unsigned indx = state_machine_regs.file - 1; | |
5068 | /* PR 20439 */ | |
5069 | if (indx >= n_files) | |
5070 | { | |
5071 | warn (_("corrupt file index %u encountered\n"), indx); | |
5072 | fileName = _("<corrupt>"); | |
5073 | } | |
5074 | else | |
5075 | fileName = (char *) file_table[indx].name; | |
5076 | } | |
b40bf0a2 | 5077 | else |
db9537d2 | 5078 | fileName = _("<unknown>"); |
b40bf0a2 NC |
5079 | |
5080 | fileNameLength = strlen (fileName); | |
a262ae96 | 5081 | |
b4eb7656 AM |
5082 | if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide)) |
5083 | { | |
5084 | newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1); | |
5085 | /* Truncate file name */ | |
5086 | strncpy (newFileName, | |
5087 | fileName + fileNameLength - MAX_FILENAME_LENGTH, | |
5088 | MAX_FILENAME_LENGTH + 1); | |
5089 | } | |
5090 | else | |
5091 | { | |
5092 | newFileName = (char *) xmalloc (fileNameLength + 1); | |
5093 | strncpy (newFileName, fileName, fileNameLength + 1); | |
5094 | } | |
5095 | ||
5096 | if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH)) | |
5097 | { | |
a233b20c | 5098 | if (linfo.li_max_ops_per_insn == 1) |
ba8826a8 | 5099 | printf ("%-35s %11d %#18" DWARF_VMA_FMT "x", |
467c65bc | 5100 | newFileName, state_machine_regs.line, |
a233b20c JJ |
5101 | state_machine_regs.address); |
5102 | else | |
ba8826a8 | 5103 | printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]", |
467c65bc | 5104 | newFileName, state_machine_regs.line, |
a233b20c JJ |
5105 | state_machine_regs.address, |
5106 | state_machine_regs.op_index); | |
b4eb7656 AM |
5107 | } |
5108 | else | |
5109 | { | |
a233b20c | 5110 | if (linfo.li_max_ops_per_insn == 1) |
ba8826a8 | 5111 | printf ("%s %11d %#18" DWARF_VMA_FMT "x", |
467c65bc | 5112 | newFileName, state_machine_regs.line, |
a233b20c JJ |
5113 | state_machine_regs.address); |
5114 | else | |
ba8826a8 | 5115 | printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]", |
467c65bc | 5116 | newFileName, state_machine_regs.line, |
a233b20c JJ |
5117 | state_machine_regs.address, |
5118 | state_machine_regs.op_index); | |
b4eb7656 | 5119 | } |
a262ae96 | 5120 | |
ba8826a8 | 5121 | if (state_machine_regs.view) |
17f6ade2 | 5122 | printf (" %6u", state_machine_regs.view); |
ba8826a8 | 5123 | else |
17f6ade2 JD |
5124 | printf (" "); |
5125 | ||
5126 | if (state_machine_regs.is_stmt) | |
5127 | printf (" x"); | |
5128 | ||
5129 | putchar ('\n'); | |
ba8826a8 AO |
5130 | state_machine_regs.view++; |
5131 | ||
5132 | if (xop == -DW_LNE_end_sequence) | |
5133 | { | |
5134 | reset_state_machine (linfo.li_default_is_stmt); | |
5135 | putchar ('\n'); | |
5136 | } | |
a262ae96 | 5137 | |
b4eb7656 AM |
5138 | free (newFileName); |
5139 | } | |
5140 | } | |
b40bf0a2 NC |
5141 | |
5142 | if (file_table) | |
5143 | { | |
5144 | free (file_table); | |
5145 | file_table = NULL; | |
5146 | n_files = 0; | |
5147 | } | |
5148 | ||
5149 | if (directory_table) | |
5150 | { | |
5151 | free (directory_table); | |
5152 | directory_table = NULL; | |
5153 | n_directories = 0; | |
5154 | } | |
5155 | ||
a262ae96 NC |
5156 | putchar ('\n'); |
5157 | } | |
5158 | ||
5159 | return 1; | |
5160 | } | |
5161 | ||
5162 | static int | |
77145576 | 5163 | display_debug_lines (struct dwarf_section *section, void *file) |
a262ae96 NC |
5164 | { |
5165 | unsigned char *data = section->start; | |
5166 | unsigned char *end = data + section->size; | |
4cb93e3b TG |
5167 | int retValRaw = 1; |
5168 | int retValDecoded = 1; | |
a262ae96 | 5169 | |
008f4c78 NC |
5170 | if (do_debug_lines == 0) |
5171 | do_debug_lines |= FLAG_DEBUG_LINES_RAW; | |
5172 | ||
4cb93e3b | 5173 | if (do_debug_lines & FLAG_DEBUG_LINES_RAW) |
77145576 | 5174 | retValRaw = display_debug_lines_raw (section, data, end, file); |
a262ae96 | 5175 | |
4cb93e3b | 5176 | if (do_debug_lines & FLAG_DEBUG_LINES_DECODED) |
ec1b0fbb | 5177 | retValDecoded = display_debug_lines_decoded (section, data, data, end, file); |
a262ae96 | 5178 | |
4cb93e3b | 5179 | if (!retValRaw || !retValDecoded) |
a262ae96 NC |
5180 | return 0; |
5181 | ||
5182 | return 1; | |
5183 | } | |
5184 | ||
6e3d6dc1 NC |
5185 | static debug_info * |
5186 | find_debug_info_for_offset (unsigned long offset) | |
5187 | { | |
5188 | unsigned int i; | |
5189 | ||
5190 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) | |
5191 | return NULL; | |
5192 | ||
5193 | for (i = 0; i < num_debug_info_entries; i++) | |
5194 | if (debug_information[i].cu_offset == offset) | |
5195 | return debug_information + i; | |
5196 | ||
5197 | return NULL; | |
5198 | } | |
5199 | ||
459d52c8 DE |
5200 | static const char * |
5201 | get_gdb_index_symbol_kind_name (gdb_index_symbol_kind kind) | |
5202 | { | |
5203 | /* See gdb/gdb-index.h. */ | |
5204 | static const char * const kinds[] = | |
5205 | { | |
5206 | N_ ("no info"), | |
5207 | N_ ("type"), | |
5208 | N_ ("variable"), | |
5209 | N_ ("function"), | |
5210 | N_ ("other"), | |
5211 | N_ ("unused5"), | |
5212 | N_ ("unused6"), | |
5213 | N_ ("unused7") | |
5214 | }; | |
5215 | ||
5216 | return _ (kinds[kind]); | |
5217 | } | |
5218 | ||
19e6b90e | 5219 | static int |
459d52c8 DE |
5220 | display_debug_pubnames_worker (struct dwarf_section *section, |
5221 | void *file ATTRIBUTE_UNUSED, | |
5222 | int is_gnu) | |
19e6b90e | 5223 | { |
91d6fa6a | 5224 | DWARF2_Internal_PubNames names; |
19e6b90e L |
5225 | unsigned char *start = section->start; |
5226 | unsigned char *end = start + section->size; | |
5227 | ||
6e3d6dc1 NC |
5228 | /* It does not matter if this load fails, |
5229 | we test for that later on. */ | |
5230 | load_debug_info (file); | |
5231 | ||
dda8d76d | 5232 | introduce (section, FALSE); |
19e6b90e L |
5233 | |
5234 | while (start < end) | |
5235 | { | |
5236 | unsigned char *data; | |
e98fdf1a | 5237 | unsigned long sec_off; |
bf5117e3 | 5238 | unsigned int offset_size, initial_length_size; |
19e6b90e | 5239 | |
e98fdf1a | 5240 | SAFE_BYTE_GET_AND_INC (names.pn_length, start, 4, end); |
91d6fa6a | 5241 | if (names.pn_length == 0xffffffff) |
19e6b90e | 5242 | { |
e98fdf1a | 5243 | SAFE_BYTE_GET_AND_INC (names.pn_length, start, 8, end); |
19e6b90e L |
5244 | offset_size = 8; |
5245 | initial_length_size = 12; | |
5246 | } | |
5247 | else | |
5248 | { | |
5249 | offset_size = 4; | |
5250 | initial_length_size = 4; | |
5251 | } | |
5252 | ||
e98fdf1a AM |
5253 | sec_off = start - section->start; |
5254 | if (sec_off + names.pn_length < sec_off | |
5255 | || sec_off + names.pn_length > section->size) | |
5256 | { | |
5257 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), | |
5258 | section->name, | |
5259 | sec_off - initial_length_size, | |
5260 | dwarf_vmatoa ("x", names.pn_length)); | |
5261 | break; | |
5262 | } | |
5263 | ||
5264 | data = start; | |
5265 | start += names.pn_length; | |
5266 | ||
0c588247 NC |
5267 | SAFE_BYTE_GET_AND_INC (names.pn_version, data, 2, end); |
5268 | SAFE_BYTE_GET_AND_INC (names.pn_offset, data, offset_size, end); | |
6e3d6dc1 NC |
5269 | |
5270 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE | |
5271 | && num_debug_info_entries > 0 | |
91d6fa6a | 5272 | && find_debug_info_for_offset (names.pn_offset) == NULL) |
6e3d6dc1 | 5273 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), |
47704ddf | 5274 | (unsigned long) names.pn_offset, section->name); |
cecf136e | 5275 | |
0c588247 | 5276 | SAFE_BYTE_GET_AND_INC (names.pn_size, data, offset_size, end); |
19e6b90e | 5277 | |
058037d3 NC |
5278 | printf (_(" Length: %ld\n"), |
5279 | (long) names.pn_length); | |
5280 | printf (_(" Version: %d\n"), | |
5281 | names.pn_version); | |
5282 | printf (_(" Offset into .debug_info section: 0x%lx\n"), | |
5283 | (unsigned long) names.pn_offset); | |
5284 | printf (_(" Size of area in .debug_info section: %ld\n"), | |
5285 | (long) names.pn_size); | |
19e6b90e | 5286 | |
91d6fa6a | 5287 | if (names.pn_version != 2 && names.pn_version != 3) |
19e6b90e L |
5288 | { |
5289 | static int warned = 0; | |
5290 | ||
5291 | if (! warned) | |
5292 | { | |
5293 | warn (_("Only DWARF 2 and 3 pubnames are currently supported\n")); | |
5294 | warned = 1; | |
5295 | } | |
5296 | ||
5297 | continue; | |
5298 | } | |
5299 | ||
459d52c8 DE |
5300 | if (is_gnu) |
5301 | printf (_("\n Offset Kind Name\n")); | |
5302 | else | |
5303 | printf (_("\n Offset\tName\n")); | |
19e6b90e | 5304 | |
e98fdf1a | 5305 | while (1) |
19e6b90e | 5306 | { |
f41e4712 | 5307 | bfd_size_type maxprint; |
e98fdf1a | 5308 | dwarf_vma offset; |
f41e4712 | 5309 | |
0c588247 | 5310 | SAFE_BYTE_GET (offset, data, offset_size, end); |
19e6b90e | 5311 | |
e98fdf1a AM |
5312 | if (offset == 0) |
5313 | break; | |
b4eb7656 | 5314 | |
e98fdf1a AM |
5315 | data += offset_size; |
5316 | if (data >= end) | |
5317 | break; | |
5318 | maxprint = (end - data) - 1; | |
f41e4712 | 5319 | |
e98fdf1a AM |
5320 | if (is_gnu) |
5321 | { | |
5322 | unsigned int kind_data; | |
5323 | gdb_index_symbol_kind kind; | |
5324 | const char *kind_name; | |
5325 | int is_static; | |
5326 | ||
5327 | SAFE_BYTE_GET (kind_data, data, 1, end); | |
5328 | data++; | |
5329 | maxprint --; | |
5330 | /* GCC computes the kind as the upper byte in the CU index | |
5331 | word, and then right shifts it by the CU index size. | |
5332 | Left shift KIND to where the gdb-index.h accessor macros | |
5333 | can use it. */ | |
5334 | kind_data <<= GDB_INDEX_CU_BITSIZE; | |
5335 | kind = GDB_INDEX_SYMBOL_KIND_VALUE (kind_data); | |
5336 | kind_name = get_gdb_index_symbol_kind_name (kind); | |
5337 | is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (kind_data); | |
5338 | printf (" %-6lx %s,%-10s %.*s\n", | |
5339 | (unsigned long) offset, is_static ? _("s") : _("g"), | |
5340 | kind_name, (int) maxprint, data); | |
19e6b90e | 5341 | } |
e98fdf1a AM |
5342 | else |
5343 | printf (" %-6lx\t%.*s\n", | |
5344 | (unsigned long) offset, (int) maxprint, data); | |
5345 | ||
5346 | data += strnlen ((char *) data, maxprint) + 1; | |
5347 | if (data >= end) | |
5348 | break; | |
19e6b90e | 5349 | } |
19e6b90e L |
5350 | } |
5351 | ||
5352 | printf ("\n"); | |
5353 | return 1; | |
5354 | } | |
5355 | ||
459d52c8 DE |
5356 | static int |
5357 | display_debug_pubnames (struct dwarf_section *section, void *file) | |
5358 | { | |
5359 | return display_debug_pubnames_worker (section, file, 0); | |
5360 | } | |
5361 | ||
5362 | static int | |
5363 | display_debug_gnu_pubnames (struct dwarf_section *section, void *file) | |
5364 | { | |
5365 | return display_debug_pubnames_worker (section, file, 1); | |
5366 | } | |
5367 | ||
19e6b90e L |
5368 | static int |
5369 | display_debug_macinfo (struct dwarf_section *section, | |
5370 | void *file ATTRIBUTE_UNUSED) | |
5371 | { | |
5372 | unsigned char *start = section->start; | |
5373 | unsigned char *end = start + section->size; | |
5374 | unsigned char *curr = start; | |
5375 | unsigned int bytes_read; | |
5376 | enum dwarf_macinfo_record_type op; | |
5377 | ||
dda8d76d | 5378 | introduce (section, FALSE); |
19e6b90e L |
5379 | |
5380 | while (curr < end) | |
5381 | { | |
5382 | unsigned int lineno; | |
0c588247 | 5383 | const unsigned char *string; |
19e6b90e | 5384 | |
3f5e193b | 5385 | op = (enum dwarf_macinfo_record_type) *curr; |
19e6b90e L |
5386 | curr++; |
5387 | ||
5388 | switch (op) | |
5389 | { | |
5390 | case DW_MACINFO_start_file: | |
5391 | { | |
5392 | unsigned int filenum; | |
5393 | ||
f6f0e17b | 5394 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 5395 | curr += bytes_read; |
f6f0e17b | 5396 | filenum = read_uleb128 (curr, & bytes_read, end); |
19e6b90e L |
5397 | curr += bytes_read; |
5398 | ||
5399 | printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), | |
5400 | lineno, filenum); | |
5401 | } | |
5402 | break; | |
5403 | ||
5404 | case DW_MACINFO_end_file: | |
5405 | printf (_(" DW_MACINFO_end_file\n")); | |
5406 | break; | |
5407 | ||
5408 | case DW_MACINFO_define: | |
f6f0e17b | 5409 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 5410 | curr += bytes_read; |
0c588247 NC |
5411 | string = curr; |
5412 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
5413 | printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"), |
5414 | lineno, string); | |
5415 | break; | |
5416 | ||
5417 | case DW_MACINFO_undef: | |
f6f0e17b | 5418 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 5419 | curr += bytes_read; |
0c588247 NC |
5420 | string = curr; |
5421 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
5422 | printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"), |
5423 | lineno, string); | |
5424 | break; | |
5425 | ||
5426 | case DW_MACINFO_vendor_ext: | |
5427 | { | |
5428 | unsigned int constant; | |
5429 | ||
f6f0e17b | 5430 | constant = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 5431 | curr += bytes_read; |
0c588247 NC |
5432 | string = curr; |
5433 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
5434 | printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), |
5435 | constant, string); | |
5436 | } | |
5437 | break; | |
5438 | } | |
5439 | } | |
5440 | ||
5441 | return 1; | |
5442 | } | |
5443 | ||
4ccf1e31 JJ |
5444 | /* Given LINE_OFFSET into the .debug_line section, attempt to return |
5445 | filename and dirname corresponding to file name table entry with index | |
5446 | FILEIDX. Return NULL on failure. */ | |
5447 | ||
5448 | static unsigned char * | |
f6f0e17b NC |
5449 | get_line_filename_and_dirname (dwarf_vma line_offset, |
5450 | dwarf_vma fileidx, | |
4ccf1e31 JJ |
5451 | unsigned char **dir_name) |
5452 | { | |
5453 | struct dwarf_section *section = &debug_displays [line].section; | |
5454 | unsigned char *hdrptr, *dirtable, *file_name; | |
5455 | unsigned int offset_size, initial_length_size; | |
5456 | unsigned int version, opcode_base, bytes_read; | |
5457 | dwarf_vma length, diridx; | |
f6f0e17b | 5458 | const unsigned char * end; |
4ccf1e31 JJ |
5459 | |
5460 | *dir_name = NULL; | |
5461 | if (section->start == NULL | |
5462 | || line_offset >= section->size | |
5463 | || fileidx == 0) | |
5464 | return NULL; | |
5465 | ||
5466 | hdrptr = section->start + line_offset; | |
f6f0e17b | 5467 | end = section->start + section->size; |
0c588247 NC |
5468 | |
5469 | SAFE_BYTE_GET_AND_INC (length, hdrptr, 4, end); | |
4ccf1e31 JJ |
5470 | if (length == 0xffffffff) |
5471 | { | |
5472 | /* This section is 64-bit DWARF 3. */ | |
0c588247 | 5473 | SAFE_BYTE_GET_AND_INC (length, hdrptr, 8, end); |
4ccf1e31 JJ |
5474 | offset_size = 8; |
5475 | initial_length_size = 12; | |
5476 | } | |
5477 | else | |
5478 | { | |
5479 | offset_size = 4; | |
5480 | initial_length_size = 4; | |
5481 | } | |
e98fdf1a AM |
5482 | if (length + initial_length_size < length |
5483 | || length + initial_length_size > section->size) | |
4ccf1e31 | 5484 | return NULL; |
0c588247 NC |
5485 | |
5486 | SAFE_BYTE_GET_AND_INC (version, hdrptr, 2, end); | |
4ccf1e31 JJ |
5487 | if (version != 2 && version != 3 && version != 4) |
5488 | return NULL; | |
5489 | hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */ | |
5490 | if (version >= 4) | |
5491 | hdrptr++; /* Skip max_ops_per_insn. */ | |
5492 | hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */ | |
0c588247 NC |
5493 | |
5494 | SAFE_BYTE_GET_AND_INC (opcode_base, hdrptr, 1, end); | |
4ccf1e31 JJ |
5495 | if (opcode_base == 0) |
5496 | return NULL; | |
0c588247 | 5497 | |
4ccf1e31 | 5498 | hdrptr += opcode_base - 1; |
5c1c468d NC |
5499 | if (hdrptr >= end) |
5500 | return NULL; | |
5501 | ||
4ccf1e31 JJ |
5502 | dirtable = hdrptr; |
5503 | /* Skip over dirname table. */ | |
5504 | while (*hdrptr != '\0') | |
5c1c468d NC |
5505 | { |
5506 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; | |
5507 | if (hdrptr >= end) | |
5508 | return NULL; | |
5509 | } | |
4ccf1e31 | 5510 | hdrptr++; /* Skip the NUL at the end of the table. */ |
5c1c468d | 5511 | |
4ccf1e31 | 5512 | /* Now skip over preceding filename table entries. */ |
5c1c468d | 5513 | for (; hdrptr < end && *hdrptr != '\0' && fileidx > 1; fileidx--) |
4ccf1e31 | 5514 | { |
0c588247 | 5515 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
f6f0e17b | 5516 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 | 5517 | hdrptr += bytes_read; |
f6f0e17b | 5518 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 | 5519 | hdrptr += bytes_read; |
f6f0e17b | 5520 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 JJ |
5521 | hdrptr += bytes_read; |
5522 | } | |
5c1c468d | 5523 | if (hdrptr >= end || *hdrptr == '\0') |
4ccf1e31 | 5524 | return NULL; |
5c1c468d | 5525 | |
4ccf1e31 | 5526 | file_name = hdrptr; |
0c588247 | 5527 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
5c1c468d NC |
5528 | if (hdrptr >= end) |
5529 | return NULL; | |
f6f0e17b | 5530 | diridx = read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 JJ |
5531 | if (diridx == 0) |
5532 | return file_name; | |
5c1c468d | 5533 | for (; dirtable < end && *dirtable != '\0' && diridx > 1; diridx--) |
0c588247 | 5534 | dirtable += strnlen ((char *) dirtable, end - dirtable) + 1; |
5c1c468d | 5535 | if (dirtable >= end || *dirtable == '\0') |
4ccf1e31 JJ |
5536 | return NULL; |
5537 | *dir_name = dirtable; | |
5538 | return file_name; | |
5539 | } | |
5540 | ||
5541 | static int | |
5542 | display_debug_macro (struct dwarf_section *section, | |
5543 | void *file) | |
5544 | { | |
5545 | unsigned char *start = section->start; | |
5546 | unsigned char *end = start + section->size; | |
5547 | unsigned char *curr = start; | |
5548 | unsigned char *extended_op_buf[256]; | |
5549 | unsigned int bytes_read; | |
5550 | ||
dda8d76d NC |
5551 | load_debug_section_with_follow (str, file); |
5552 | load_debug_section_with_follow (line, file); | |
4ccf1e31 | 5553 | |
dda8d76d | 5554 | introduce (section, FALSE); |
4ccf1e31 JJ |
5555 | |
5556 | while (curr < end) | |
5557 | { | |
5558 | unsigned int lineno, version, flags; | |
5559 | unsigned int offset_size = 4; | |
0c588247 | 5560 | const unsigned char *string; |
4ccf1e31 JJ |
5561 | dwarf_vma line_offset = 0, sec_offset = curr - start, offset; |
5562 | unsigned char **extended_ops = NULL; | |
5563 | ||
0c588247 | 5564 | SAFE_BYTE_GET_AND_INC (version, curr, 2, end); |
7a7e1061 | 5565 | if (version != 4 && version != 5) |
4ccf1e31 | 5566 | { |
7a7e1061 | 5567 | error (_("Only GNU extension to DWARF 4 or 5 of %s is currently supported.\n"), |
4ccf1e31 JJ |
5568 | section->name); |
5569 | return 0; | |
5570 | } | |
5571 | ||
0c588247 | 5572 | SAFE_BYTE_GET_AND_INC (flags, curr, 1, end); |
4ccf1e31 JJ |
5573 | if (flags & 1) |
5574 | offset_size = 8; | |
5575 | printf (_(" Offset: 0x%lx\n"), | |
5576 | (unsigned long) sec_offset); | |
5577 | printf (_(" Version: %d\n"), version); | |
5578 | printf (_(" Offset size: %d\n"), offset_size); | |
5579 | if (flags & 2) | |
5580 | { | |
0c588247 | 5581 | SAFE_BYTE_GET_AND_INC (line_offset, curr, offset_size, end); |
4ccf1e31 JJ |
5582 | printf (_(" Offset into .debug_line: 0x%lx\n"), |
5583 | (unsigned long) line_offset); | |
5584 | } | |
5585 | if (flags & 4) | |
5586 | { | |
0c588247 | 5587 | unsigned int i, count, op; |
4ccf1e31 | 5588 | dwarf_vma nargs, n; |
0c588247 NC |
5589 | |
5590 | SAFE_BYTE_GET_AND_INC (count, curr, 1, end); | |
bf5117e3 | 5591 | |
4ccf1e31 JJ |
5592 | memset (extended_op_buf, 0, sizeof (extended_op_buf)); |
5593 | extended_ops = extended_op_buf; | |
5594 | if (count) | |
5595 | { | |
5596 | printf (_(" Extension opcode arguments:\n")); | |
5597 | for (i = 0; i < count; i++) | |
5598 | { | |
0c588247 | 5599 | SAFE_BYTE_GET_AND_INC (op, curr, 1, end); |
4ccf1e31 | 5600 | extended_ops[op] = curr; |
f6f0e17b | 5601 | nargs = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 JJ |
5602 | curr += bytes_read; |
5603 | if (nargs == 0) | |
7a7e1061 | 5604 | printf (_(" DW_MACRO_%02x has no arguments\n"), op); |
4ccf1e31 JJ |
5605 | else |
5606 | { | |
7a7e1061 | 5607 | printf (_(" DW_MACRO_%02x arguments: "), op); |
4ccf1e31 JJ |
5608 | for (n = 0; n < nargs; n++) |
5609 | { | |
0c588247 NC |
5610 | unsigned int form; |
5611 | ||
5612 | SAFE_BYTE_GET_AND_INC (form, curr, 1, end); | |
4ccf1e31 JJ |
5613 | printf ("%s%s", get_FORM_name (form), |
5614 | n == nargs - 1 ? "\n" : ", "); | |
5615 | switch (form) | |
5616 | { | |
5617 | case DW_FORM_data1: | |
5618 | case DW_FORM_data2: | |
5619 | case DW_FORM_data4: | |
5620 | case DW_FORM_data8: | |
5621 | case DW_FORM_sdata: | |
5622 | case DW_FORM_udata: | |
5623 | case DW_FORM_block: | |
5624 | case DW_FORM_block1: | |
5625 | case DW_FORM_block2: | |
5626 | case DW_FORM_block4: | |
5627 | case DW_FORM_flag: | |
5628 | case DW_FORM_string: | |
5629 | case DW_FORM_strp: | |
5630 | case DW_FORM_sec_offset: | |
5631 | break; | |
5632 | default: | |
5633 | error (_("Invalid extension opcode form %s\n"), | |
5634 | get_FORM_name (form)); | |
5635 | return 0; | |
5636 | } | |
5637 | } | |
5638 | } | |
5639 | } | |
5640 | } | |
5641 | } | |
5642 | printf ("\n"); | |
5643 | ||
5644 | while (1) | |
5645 | { | |
5646 | unsigned int op; | |
5647 | ||
5648 | if (curr >= end) | |
5649 | { | |
5650 | error (_(".debug_macro section not zero terminated\n")); | |
5651 | return 0; | |
5652 | } | |
5653 | ||
0c588247 | 5654 | SAFE_BYTE_GET_AND_INC (op, curr, 1, end); |
4ccf1e31 JJ |
5655 | if (op == 0) |
5656 | break; | |
5657 | ||
5658 | switch (op) | |
5659 | { | |
7a7e1061 | 5660 | case DW_MACRO_start_file: |
4ccf1e31 JJ |
5661 | { |
5662 | unsigned int filenum; | |
5663 | unsigned char *file_name = NULL, *dir_name = NULL; | |
5664 | ||
f6f0e17b | 5665 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 5666 | curr += bytes_read; |
f6f0e17b | 5667 | filenum = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 JJ |
5668 | curr += bytes_read; |
5669 | ||
5670 | if ((flags & 2) == 0) | |
7a7e1061 | 5671 | error (_("DW_MACRO_start_file used, but no .debug_line offset provided.\n")); |
4ccf1e31 JJ |
5672 | else |
5673 | file_name | |
5674 | = get_line_filename_and_dirname (line_offset, filenum, | |
5675 | &dir_name); | |
5676 | if (file_name == NULL) | |
7a7e1061 | 5677 | printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d\n"), |
4ccf1e31 JJ |
5678 | lineno, filenum); |
5679 | else | |
7a7e1061 | 5680 | printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d filename: %s%s%s\n"), |
4ccf1e31 JJ |
5681 | lineno, filenum, |
5682 | dir_name != NULL ? (const char *) dir_name : "", | |
5683 | dir_name != NULL ? "/" : "", file_name); | |
5684 | } | |
5685 | break; | |
5686 | ||
7a7e1061 JK |
5687 | case DW_MACRO_end_file: |
5688 | printf (_(" DW_MACRO_end_file\n")); | |
4ccf1e31 JJ |
5689 | break; |
5690 | ||
7a7e1061 | 5691 | case DW_MACRO_define: |
f6f0e17b | 5692 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 5693 | curr += bytes_read; |
0c588247 NC |
5694 | string = curr; |
5695 | curr += strnlen ((char *) string, end - string) + 1; | |
7a7e1061 | 5696 | printf (_(" DW_MACRO_define - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
5697 | lineno, string); |
5698 | break; | |
5699 | ||
7a7e1061 | 5700 | case DW_MACRO_undef: |
f6f0e17b | 5701 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 5702 | curr += bytes_read; |
0c588247 NC |
5703 | string = curr; |
5704 | curr += strnlen ((char *) string, end - string) + 1; | |
7a7e1061 | 5705 | printf (_(" DW_MACRO_undef - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
5706 | lineno, string); |
5707 | break; | |
5708 | ||
7a7e1061 | 5709 | case DW_MACRO_define_strp: |
f6f0e17b | 5710 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 5711 | curr += bytes_read; |
0c588247 | 5712 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 | 5713 | string = fetch_indirect_string (offset); |
7a7e1061 | 5714 | printf (_(" DW_MACRO_define_strp - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
5715 | lineno, string); |
5716 | break; | |
5717 | ||
7a7e1061 | 5718 | case DW_MACRO_undef_strp: |
f6f0e17b | 5719 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 5720 | curr += bytes_read; |
0c588247 | 5721 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 | 5722 | string = fetch_indirect_string (offset); |
7a7e1061 | 5723 | printf (_(" DW_MACRO_undef_strp - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
5724 | lineno, string); |
5725 | break; | |
5726 | ||
7a7e1061 | 5727 | case DW_MACRO_import: |
0c588247 | 5728 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 5729 | printf (_(" DW_MACRO_import - offset : 0x%lx\n"), |
4ccf1e31 JJ |
5730 | (unsigned long) offset); |
5731 | break; | |
5732 | ||
7a7e1061 | 5733 | case DW_MACRO_define_sup: |
f6f0e17b | 5734 | lineno = read_uleb128 (curr, &bytes_read, end); |
a081f3cd | 5735 | curr += bytes_read; |
0c588247 | 5736 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 5737 | printf (_(" DW_MACRO_define_sup - lineno : %d macro offset : 0x%lx\n"), |
a081f3cd JJ |
5738 | lineno, (unsigned long) offset); |
5739 | break; | |
5740 | ||
7a7e1061 | 5741 | case DW_MACRO_undef_sup: |
f6f0e17b | 5742 | lineno = read_uleb128 (curr, &bytes_read, end); |
a081f3cd | 5743 | curr += bytes_read; |
0c588247 | 5744 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 5745 | printf (_(" DW_MACRO_undef_sup - lineno : %d macro offset : 0x%lx\n"), |
a081f3cd JJ |
5746 | lineno, (unsigned long) offset); |
5747 | break; | |
5748 | ||
7a7e1061 | 5749 | case DW_MACRO_import_sup: |
0c588247 | 5750 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 5751 | printf (_(" DW_MACRO_import_sup - offset : 0x%lx\n"), |
a081f3cd JJ |
5752 | (unsigned long) offset); |
5753 | break; | |
5754 | ||
4ccf1e31 JJ |
5755 | default: |
5756 | if (extended_ops == NULL || extended_ops[op] == NULL) | |
5757 | { | |
5758 | error (_(" Unknown macro opcode %02x seen\n"), op); | |
5759 | return 0; | |
5760 | } | |
5761 | else | |
5762 | { | |
5763 | /* Skip over unhandled opcodes. */ | |
5764 | dwarf_vma nargs, n; | |
5765 | unsigned char *desc = extended_ops[op]; | |
f6f0e17b | 5766 | nargs = read_uleb128 (desc, &bytes_read, end); |
4ccf1e31 JJ |
5767 | desc += bytes_read; |
5768 | if (nargs == 0) | |
5769 | { | |
7a7e1061 | 5770 | printf (_(" DW_MACRO_%02x\n"), op); |
4ccf1e31 JJ |
5771 | break; |
5772 | } | |
7a7e1061 | 5773 | printf (_(" DW_MACRO_%02x -"), op); |
4ccf1e31 JJ |
5774 | for (n = 0; n < nargs; n++) |
5775 | { | |
0c588247 NC |
5776 | int val; |
5777 | ||
77145576 | 5778 | /* DW_FORM_implicit_const is not expected here. */ |
0c588247 | 5779 | SAFE_BYTE_GET_AND_INC (val, desc, 1, end); |
4ccf1e31 | 5780 | curr |
77145576 | 5781 | = read_and_display_attr_value (0, val, 0, |
ec1b0fbb | 5782 | start, curr, end, 0, 0, offset_size, |
341f9135 | 5783 | version, NULL, 0, NULL, |
ec1b0fbb | 5784 | NULL, ' ', -1); |
4ccf1e31 JJ |
5785 | if (n != nargs - 1) |
5786 | printf (","); | |
5787 | } | |
5788 | printf ("\n"); | |
5789 | } | |
5790 | break; | |
5791 | } | |
5792 | } | |
5793 | ||
5794 | printf ("\n"); | |
b4eb7656 | 5795 | } |
4ccf1e31 JJ |
5796 | |
5797 | return 1; | |
5798 | } | |
5799 | ||
19e6b90e L |
5800 | static int |
5801 | display_debug_abbrev (struct dwarf_section *section, | |
5802 | void *file ATTRIBUTE_UNUSED) | |
5803 | { | |
5804 | abbrev_entry *entry; | |
5805 | unsigned char *start = section->start; | |
5806 | unsigned char *end = start + section->size; | |
5807 | ||
dda8d76d | 5808 | introduce (section, FALSE); |
19e6b90e L |
5809 | |
5810 | do | |
5811 | { | |
7282333f AM |
5812 | unsigned char *last; |
5813 | ||
19e6b90e L |
5814 | free_abbrevs (); |
5815 | ||
7282333f | 5816 | last = start; |
19e6b90e L |
5817 | start = process_abbrev_section (start, end); |
5818 | ||
5819 | if (first_abbrev == NULL) | |
5820 | continue; | |
5821 | ||
7282333f | 5822 | printf (_(" Number TAG (0x%lx)\n"), (long) (last - section->start)); |
19e6b90e L |
5823 | |
5824 | for (entry = first_abbrev; entry; entry = entry->next) | |
5825 | { | |
5826 | abbrev_attr *attr; | |
5827 | ||
cc5914eb | 5828 | printf (" %ld %s [%s]\n", |
19e6b90e L |
5829 | entry->entry, |
5830 | get_TAG_name (entry->tag), | |
5831 | entry->children ? _("has children") : _("no children")); | |
5832 | ||
5833 | for (attr = entry->first_attr; attr; attr = attr->next) | |
77145576 JK |
5834 | { |
5835 | printf (" %-18s %s", | |
5836 | get_AT_name (attr->attribute), | |
5837 | get_FORM_name (attr->form)); | |
5838 | if (attr->form == DW_FORM_implicit_const) | |
5839 | printf (": %" BFD_VMA_FMT "d", attr->implicit_const); | |
5840 | putchar ('\n'); | |
5841 | } | |
19e6b90e L |
5842 | } |
5843 | } | |
5844 | while (start); | |
5845 | ||
5846 | printf ("\n"); | |
5847 | ||
5848 | return 1; | |
5849 | } | |
5850 | ||
42bcef4a AB |
5851 | /* Return true when ADDR is the maximum address, when addresses are |
5852 | POINTER_SIZE bytes long. */ | |
5853 | ||
5854 | static bfd_boolean | |
5855 | is_max_address (dwarf_vma addr, unsigned int pointer_size) | |
5856 | { | |
5857 | dwarf_vma mask = ~(~(dwarf_vma) 1 << (pointer_size * 8 - 1)); | |
5858 | return ((addr & mask) == mask); | |
5859 | } | |
5860 | ||
9f272209 AO |
5861 | /* Display a view pair list starting at *VSTART_PTR and ending at |
5862 | VLISTEND within SECTION. */ | |
5863 | ||
5864 | static void | |
5865 | display_view_pair_list (struct dwarf_section *section, | |
5866 | unsigned char **vstart_ptr, | |
5867 | unsigned int debug_info_entry, | |
5868 | unsigned char *vlistend) | |
5869 | { | |
5870 | unsigned char *vstart = *vstart_ptr; | |
5871 | unsigned char *section_end = section->start + section->size; | |
5872 | unsigned int pointer_size = debug_information [debug_info_entry].pointer_size; | |
5873 | ||
5874 | if (vlistend < section_end) | |
5875 | section_end = vlistend; | |
5876 | ||
5877 | putchar ('\n'); | |
5878 | ||
5879 | while (vstart < section_end) | |
5880 | { | |
5881 | dwarf_vma off = vstart - section->start; | |
5882 | dwarf_vma vbegin, vend; | |
5883 | ||
5884 | unsigned int bytes_read; | |
5885 | vbegin = read_uleb128 (vstart, &bytes_read, section_end); | |
5886 | vstart += bytes_read; | |
5887 | if (vstart == section_end) | |
5888 | { | |
5889 | vstart -= bytes_read; | |
5890 | break; | |
5891 | } | |
5892 | ||
5893 | vend = read_uleb128 (vstart, &bytes_read, section_end); | |
5894 | vstart += bytes_read; | |
5895 | ||
5896 | printf (" %8.8lx ", (unsigned long) off); | |
5897 | ||
5898 | print_dwarf_view (vbegin, pointer_size, 1); | |
5899 | print_dwarf_view (vend, pointer_size, 1); | |
5900 | printf (_("location view pair\n")); | |
5901 | } | |
5902 | ||
5903 | putchar ('\n'); | |
5904 | *vstart_ptr = vstart; | |
5905 | } | |
5906 | ||
4723351a CC |
5907 | /* Display a location list from a normal (ie, non-dwo) .debug_loc section. */ |
5908 | ||
5909 | static void | |
5910 | display_loc_list (struct dwarf_section *section, | |
b4eb7656 AM |
5911 | unsigned char **start_ptr, |
5912 | unsigned int debug_info_entry, | |
359ca075 JK |
5913 | dwarf_vma offset, |
5914 | dwarf_vma base_address, | |
9f272209 | 5915 | unsigned char **vstart_ptr, |
b4eb7656 | 5916 | int has_frame_base) |
4723351a | 5917 | { |
9f272209 | 5918 | unsigned char *start = *start_ptr, *vstart = *vstart_ptr; |
4723351a | 5919 | unsigned char *section_end = section->start + section->size; |
82b1b41b NC |
5920 | unsigned long cu_offset; |
5921 | unsigned int pointer_size; | |
5922 | unsigned int offset_size; | |
5923 | int dwarf_version; | |
4723351a CC |
5924 | |
5925 | dwarf_vma begin; | |
5926 | dwarf_vma end; | |
5927 | unsigned short length; | |
5928 | int need_frame_base; | |
5929 | ||
82b1b41b NC |
5930 | if (debug_info_entry >= num_debug_info_entries) |
5931 | { | |
5932 | warn (_("No debug information available for loc lists of entry: %u\n"), | |
5933 | debug_info_entry); | |
5934 | return; | |
5935 | } | |
b4eb7656 | 5936 | |
82b1b41b NC |
5937 | cu_offset = debug_information [debug_info_entry].cu_offset; |
5938 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
5939 | offset_size = debug_information [debug_info_entry].offset_size; | |
5940 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
b4eb7656 | 5941 | |
f41e4712 NC |
5942 | if (pointer_size < 2 || pointer_size > 8) |
5943 | { | |
5944 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
5945 | pointer_size, debug_info_entry); | |
5946 | return; | |
5947 | } | |
5948 | ||
4723351a CC |
5949 | while (1) |
5950 | { | |
359ca075 | 5951 | dwarf_vma off = offset + (start - *start_ptr); |
9f272209 | 5952 | dwarf_vma vbegin = vm1, vend = vm1; |
d1c4b12b | 5953 | |
4723351a | 5954 | if (start + 2 * pointer_size > section_end) |
b4eb7656 AM |
5955 | { |
5956 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5957 | (unsigned long) offset); |
b4eb7656 AM |
5958 | break; |
5959 | } | |
4723351a | 5960 | |
359ca075 | 5961 | printf (" %8.8lx ", (unsigned long) off); |
fab128ef | 5962 | |
0c588247 NC |
5963 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end); |
5964 | SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end); | |
4723351a | 5965 | |
4723351a | 5966 | if (begin == 0 && end == 0) |
b4eb7656 | 5967 | { |
d1c4b12b NC |
5968 | /* PR 18374: In a object file we can have a location list that |
5969 | starts with a begin and end of 0 because there are relocations | |
5970 | that need to be applied to the addresses. Actually applying | |
5971 | the relocations now does not help as they will probably resolve | |
5972 | to 0, since the object file has not been fully linked. Real | |
5973 | end of list markers will not have any relocations against them. */ | |
5974 | if (! reloc_at (section, off) | |
5975 | && ! reloc_at (section, off + pointer_size)) | |
5976 | { | |
5977 | printf (_("<End of list>\n")); | |
5978 | break; | |
5979 | } | |
b4eb7656 | 5980 | } |
4723351a CC |
5981 | |
5982 | /* Check base address specifiers. */ | |
42bcef4a AB |
5983 | if (is_max_address (begin, pointer_size) |
5984 | && !is_max_address (end, pointer_size)) | |
b4eb7656 AM |
5985 | { |
5986 | base_address = end; | |
5987 | print_dwarf_vma (begin, pointer_size); | |
5988 | print_dwarf_vma (end, pointer_size); | |
5989 | printf (_("(base address)\n")); | |
5990 | continue; | |
5991 | } | |
4723351a | 5992 | |
9f272209 AO |
5993 | if (vstart) |
5994 | { | |
5995 | unsigned int bytes_read; | |
5996 | ||
5997 | off = offset + (vstart - *start_ptr); | |
5998 | ||
5999 | vbegin = read_uleb128 (vstart, &bytes_read, section_end); | |
6000 | vstart += bytes_read; | |
6001 | print_dwarf_view (vbegin, pointer_size, 1); | |
6002 | ||
6003 | vend = read_uleb128 (vstart, &bytes_read, section_end); | |
6004 | vstart += bytes_read; | |
6005 | print_dwarf_view (vend, pointer_size, 1); | |
6006 | ||
6007 | printf (_("views at %8.8lx for:\n %*s "), | |
6008 | (unsigned long) off, 8, ""); | |
6009 | } | |
6010 | ||
4723351a | 6011 | if (start + 2 > section_end) |
b4eb7656 AM |
6012 | { |
6013 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 6014 | (unsigned long) offset); |
b4eb7656 AM |
6015 | break; |
6016 | } | |
4723351a | 6017 | |
0c588247 | 6018 | SAFE_BYTE_GET_AND_INC (length, start, 2, section_end); |
4723351a CC |
6019 | |
6020 | if (start + length > section_end) | |
b4eb7656 AM |
6021 | { |
6022 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 6023 | (unsigned long) offset); |
b4eb7656 AM |
6024 | break; |
6025 | } | |
4723351a CC |
6026 | |
6027 | print_dwarf_vma (begin + base_address, pointer_size); | |
6028 | print_dwarf_vma (end + base_address, pointer_size); | |
6029 | ||
6030 | putchar ('('); | |
6031 | need_frame_base = decode_location_expression (start, | |
b4eb7656 AM |
6032 | pointer_size, |
6033 | offset_size, | |
6034 | dwarf_version, | |
6035 | length, | |
6036 | cu_offset, section); | |
4723351a CC |
6037 | putchar (')'); |
6038 | ||
6039 | if (need_frame_base && !has_frame_base) | |
b4eb7656 | 6040 | printf (_(" [without DW_AT_frame_base]")); |
4723351a | 6041 | |
9f272209 | 6042 | if (begin == end && vbegin == vend) |
b4eb7656 | 6043 | fputs (_(" (start == end)"), stdout); |
9f272209 | 6044 | else if (begin > end || (begin == end && vbegin > vend)) |
b4eb7656 | 6045 | fputs (_(" (start > end)"), stdout); |
4723351a CC |
6046 | |
6047 | putchar ('\n'); | |
6048 | ||
6049 | start += length; | |
6050 | } | |
6051 | ||
6052 | *start_ptr = start; | |
9f272209 | 6053 | *vstart_ptr = vstart; |
4723351a CC |
6054 | } |
6055 | ||
77145576 JK |
6056 | /* Display a location list from a normal (ie, non-dwo) .debug_loclists section. */ |
6057 | ||
6058 | static void | |
6059 | display_loclists_list (struct dwarf_section *section, | |
6060 | unsigned char **start_ptr, | |
6061 | unsigned int debug_info_entry, | |
6062 | dwarf_vma offset, | |
6063 | dwarf_vma base_address, | |
9f272209 | 6064 | unsigned char **vstart_ptr, |
77145576 JK |
6065 | int has_frame_base) |
6066 | { | |
9f272209 | 6067 | unsigned char *start = *start_ptr, *vstart = *vstart_ptr; |
77145576 JK |
6068 | unsigned char *section_end = section->start + section->size; |
6069 | unsigned long cu_offset; | |
6070 | unsigned int pointer_size; | |
6071 | unsigned int offset_size; | |
6072 | int dwarf_version; | |
6073 | unsigned int bytes_read; | |
6074 | ||
9dfd0db9 | 6075 | /* Initialize it due to a false compiler warning. */ |
9f272209 AO |
6076 | dwarf_vma begin = -1, vbegin = -1; |
6077 | dwarf_vma end = -1, vend = -1; | |
77145576 JK |
6078 | dwarf_vma length; |
6079 | int need_frame_base; | |
6080 | ||
6081 | if (debug_info_entry >= num_debug_info_entries) | |
6082 | { | |
6083 | warn (_("No debug information available for " | |
6084 | "loclists lists of entry: %u\n"), | |
6085 | debug_info_entry); | |
6086 | return; | |
6087 | } | |
6088 | ||
6089 | cu_offset = debug_information [debug_info_entry].cu_offset; | |
6090 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
6091 | offset_size = debug_information [debug_info_entry].offset_size; | |
6092 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
6093 | ||
6094 | if (pointer_size < 2 || pointer_size > 8) | |
6095 | { | |
6096 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
6097 | pointer_size, debug_info_entry); | |
6098 | return; | |
6099 | } | |
6100 | ||
6101 | while (1) | |
6102 | { | |
6103 | dwarf_vma off = offset + (start - *start_ptr); | |
6104 | enum dwarf_location_list_entry_type llet; | |
6105 | ||
6106 | if (start + 1 > section_end) | |
6107 | { | |
6108 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
6109 | (unsigned long) offset); | |
6110 | break; | |
6111 | } | |
6112 | ||
6113 | printf (" %8.8lx ", (unsigned long) off); | |
6114 | ||
6115 | SAFE_BYTE_GET_AND_INC (llet, start, 1, section_end); | |
6116 | ||
9f272209 AO |
6117 | if (vstart && llet == DW_LLE_offset_pair) |
6118 | { | |
6119 | off = offset + (vstart - *start_ptr); | |
6120 | ||
6121 | vbegin = read_uleb128 (vstart, &bytes_read, section_end); | |
6122 | vstart += bytes_read; | |
6123 | print_dwarf_view (vbegin, pointer_size, 1); | |
6124 | ||
6125 | vend = read_uleb128 (vstart, &bytes_read, section_end); | |
6126 | vstart += bytes_read; | |
6127 | print_dwarf_view (vend, pointer_size, 1); | |
6128 | ||
6129 | printf (_("views at %8.8lx for:\n %*s "), | |
6130 | (unsigned long) off, 8, ""); | |
6131 | } | |
6132 | ||
77145576 JK |
6133 | switch (llet) |
6134 | { | |
6135 | case DW_LLE_end_of_list: | |
6136 | printf (_("<End of list>\n")); | |
6137 | break; | |
6138 | case DW_LLE_offset_pair: | |
6139 | begin = read_uleb128 (start, &bytes_read, section_end); | |
6140 | start += bytes_read; | |
6141 | end = read_uleb128 (start, &bytes_read, section_end); | |
6142 | start += bytes_read; | |
6143 | break; | |
6144 | case DW_LLE_base_address: | |
6145 | SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, | |
6146 | section_end); | |
6147 | print_dwarf_vma (base_address, pointer_size); | |
6148 | printf (_("(base address)\n")); | |
6149 | break; | |
9f272209 AO |
6150 | #ifdef DW_LLE_view_pair |
6151 | case DW_LLE_view_pair: | |
6152 | if (vstart) | |
6153 | printf (_("View pair entry in loclist with locviews attribute\n")); | |
6154 | vbegin = read_uleb128 (start, &bytes_read, section_end); | |
6155 | start += bytes_read; | |
6156 | print_dwarf_view (vbegin, pointer_size, 1); | |
6157 | ||
6158 | vend = read_uleb128 (start, &bytes_read, section_end); | |
6159 | start += bytes_read; | |
6160 | print_dwarf_view (vend, pointer_size, 1); | |
6161 | ||
6162 | printf (_("views for:\n")); | |
6163 | continue; | |
6164 | #endif | |
77145576 JK |
6165 | default: |
6166 | error (_("Invalid location list entry type %d\n"), llet); | |
6167 | return; | |
6168 | } | |
6169 | if (llet == DW_LLE_end_of_list) | |
6170 | break; | |
6171 | if (llet != DW_LLE_offset_pair) | |
6172 | continue; | |
6173 | ||
6174 | if (start + 2 > section_end) | |
6175 | { | |
6176 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
6177 | (unsigned long) offset); | |
6178 | break; | |
6179 | } | |
6180 | ||
6181 | length = read_uleb128 (start, &bytes_read, section_end); | |
6182 | start += bytes_read; | |
6183 | ||
6184 | print_dwarf_vma (begin + base_address, pointer_size); | |
6185 | print_dwarf_vma (end + base_address, pointer_size); | |
6186 | ||
6187 | putchar ('('); | |
6188 | need_frame_base = decode_location_expression (start, | |
6189 | pointer_size, | |
6190 | offset_size, | |
6191 | dwarf_version, | |
6192 | length, | |
6193 | cu_offset, section); | |
6194 | putchar (')'); | |
6195 | ||
6196 | if (need_frame_base && !has_frame_base) | |
6197 | printf (_(" [without DW_AT_frame_base]")); | |
6198 | ||
9f272209 | 6199 | if (begin == end && vbegin == vend) |
77145576 | 6200 | fputs (_(" (start == end)"), stdout); |
9f272209 | 6201 | else if (begin > end || (begin == end && vbegin > vend)) |
77145576 JK |
6202 | fputs (_(" (start > end)"), stdout); |
6203 | ||
6204 | putchar ('\n'); | |
6205 | ||
6206 | start += length; | |
9f272209 | 6207 | vbegin = vend = -1; |
77145576 JK |
6208 | } |
6209 | ||
9f272209 AO |
6210 | if (vbegin != vm1 || vend != vm1) |
6211 | printf (_("Trailing view pair not used in a range")); | |
6212 | ||
77145576 | 6213 | *start_ptr = start; |
9f272209 | 6214 | *vstart_ptr = vstart; |
77145576 JK |
6215 | } |
6216 | ||
fab128ef CC |
6217 | /* Print a .debug_addr table index in decimal, surrounded by square brackets, |
6218 | right-adjusted in a field of length LEN, and followed by a space. */ | |
6219 | ||
6220 | static void | |
6221 | print_addr_index (unsigned int idx, unsigned int len) | |
6222 | { | |
6223 | static char buf[15]; | |
6224 | snprintf (buf, sizeof (buf), "[%d]", idx); | |
341f9135 | 6225 | printf ("%*s ", len, buf); |
fab128ef CC |
6226 | } |
6227 | ||
4723351a CC |
6228 | /* Display a location list from a .dwo section. It uses address indexes rather |
6229 | than embedded addresses. This code closely follows display_loc_list, but the | |
6230 | two are sufficiently different that combining things is very ugly. */ | |
6231 | ||
6232 | static void | |
6233 | display_loc_list_dwo (struct dwarf_section *section, | |
b4eb7656 AM |
6234 | unsigned char **start_ptr, |
6235 | unsigned int debug_info_entry, | |
359ca075 | 6236 | dwarf_vma offset, |
9f272209 | 6237 | unsigned char **vstart_ptr, |
b4eb7656 | 6238 | int has_frame_base) |
4723351a | 6239 | { |
9f272209 | 6240 | unsigned char *start = *start_ptr, *vstart = *vstart_ptr; |
4723351a | 6241 | unsigned char *section_end = section->start + section->size; |
82b1b41b NC |
6242 | unsigned long cu_offset; |
6243 | unsigned int pointer_size; | |
6244 | unsigned int offset_size; | |
6245 | int dwarf_version; | |
4723351a CC |
6246 | int entry_type; |
6247 | unsigned short length; | |
6248 | int need_frame_base; | |
fab128ef | 6249 | unsigned int idx; |
4723351a CC |
6250 | unsigned int bytes_read; |
6251 | ||
82b1b41b NC |
6252 | if (debug_info_entry >= num_debug_info_entries) |
6253 | { | |
6254 | warn (_("No debug information for loc lists of entry: %u\n"), | |
6255 | debug_info_entry); | |
6256 | return; | |
6257 | } | |
6258 | ||
6259 | cu_offset = debug_information [debug_info_entry].cu_offset; | |
6260 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
6261 | offset_size = debug_information [debug_info_entry].offset_size; | |
6262 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
6263 | ||
f41e4712 NC |
6264 | if (pointer_size < 2 || pointer_size > 8) |
6265 | { | |
6266 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
6267 | pointer_size, debug_info_entry); | |
6268 | return; | |
6269 | } | |
6270 | ||
4723351a CC |
6271 | while (1) |
6272 | { | |
359ca075 | 6273 | printf (" %8.8lx ", (unsigned long) (offset + (start - *start_ptr))); |
4723351a | 6274 | |
fab128ef | 6275 | if (start >= section_end) |
b4eb7656 AM |
6276 | { |
6277 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 6278 | (unsigned long) offset); |
b4eb7656 AM |
6279 | break; |
6280 | } | |
4723351a | 6281 | |
0c588247 | 6282 | SAFE_BYTE_GET_AND_INC (entry_type, start, 1, section_end); |
9f272209 AO |
6283 | |
6284 | if (vstart) | |
6285 | switch (entry_type) | |
6286 | { | |
6287 | default: | |
6288 | break; | |
6289 | ||
6290 | case 2: | |
6291 | case 3: | |
6292 | case 4: | |
6293 | { | |
6294 | dwarf_vma view; | |
6295 | dwarf_vma off = offset + (vstart - *start_ptr); | |
6296 | ||
6297 | view = read_uleb128 (vstart, &bytes_read, section_end); | |
6298 | vstart += bytes_read; | |
6299 | print_dwarf_view (view, 8, 1); | |
6300 | ||
6301 | view = read_uleb128 (vstart, &bytes_read, section_end); | |
6302 | vstart += bytes_read; | |
6303 | print_dwarf_view (view, 8, 1); | |
6304 | ||
6305 | printf (_("views at %8.8lx for:\n %*s "), | |
6306 | (unsigned long) off, 8, ""); | |
6307 | ||
6308 | } | |
6309 | break; | |
6310 | } | |
6311 | ||
4723351a | 6312 | switch (entry_type) |
b4eb7656 AM |
6313 | { |
6314 | case 0: /* A terminating entry. */ | |
6315 | *start_ptr = start; | |
9f272209 | 6316 | *vstart_ptr = vstart; |
b4eb7656 AM |
6317 | printf (_("<End of list>\n")); |
6318 | return; | |
6319 | case 1: /* A base-address entry. */ | |
6320 | idx = read_uleb128 (start, &bytes_read, section_end); | |
6321 | start += bytes_read; | |
6322 | print_addr_index (idx, 8); | |
9f272209 | 6323 | printf ("%*s", 9 + (vstart ? 2 * 6 : 0), ""); |
b4eb7656 AM |
6324 | printf (_("(base address selection entry)\n")); |
6325 | continue; | |
6326 | case 2: /* A start/end entry. */ | |
6327 | idx = read_uleb128 (start, &bytes_read, section_end); | |
6328 | start += bytes_read; | |
6329 | print_addr_index (idx, 8); | |
6330 | idx = read_uleb128 (start, &bytes_read, section_end); | |
6331 | start += bytes_read; | |
6332 | print_addr_index (idx, 8); | |
6333 | break; | |
6334 | case 3: /* A start/length entry. */ | |
6335 | idx = read_uleb128 (start, &bytes_read, section_end); | |
6336 | start += bytes_read; | |
6337 | print_addr_index (idx, 8); | |
6338 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
6339 | printf ("%08x ", idx); | |
6340 | break; | |
6341 | case 4: /* An offset pair entry. */ | |
6342 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
6343 | printf ("%08x ", idx); | |
6344 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
6345 | printf ("%08x ", idx); | |
6346 | break; | |
6347 | default: | |
6348 | warn (_("Unknown location list entry type 0x%x.\n"), entry_type); | |
6349 | *start_ptr = start; | |
9f272209 | 6350 | *vstart_ptr = vstart; |
b4eb7656 AM |
6351 | return; |
6352 | } | |
4723351a CC |
6353 | |
6354 | if (start + 2 > section_end) | |
b4eb7656 AM |
6355 | { |
6356 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 6357 | (unsigned long) offset); |
b4eb7656 AM |
6358 | break; |
6359 | } | |
4723351a | 6360 | |
0c588247 | 6361 | SAFE_BYTE_GET_AND_INC (length, start, 2, section_end); |
4723351a | 6362 | if (start + length > section_end) |
b4eb7656 AM |
6363 | { |
6364 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 6365 | (unsigned long) offset); |
b4eb7656 AM |
6366 | break; |
6367 | } | |
4723351a CC |
6368 | |
6369 | putchar ('('); | |
6370 | need_frame_base = decode_location_expression (start, | |
b4eb7656 AM |
6371 | pointer_size, |
6372 | offset_size, | |
6373 | dwarf_version, | |
6374 | length, | |
6375 | cu_offset, section); | |
4723351a CC |
6376 | putchar (')'); |
6377 | ||
6378 | if (need_frame_base && !has_frame_base) | |
b4eb7656 | 6379 | printf (_(" [without DW_AT_frame_base]")); |
4723351a CC |
6380 | |
6381 | putchar ('\n'); | |
6382 | ||
6383 | start += length; | |
6384 | } | |
6385 | ||
6386 | *start_ptr = start; | |
9f272209 | 6387 | *vstart_ptr = vstart; |
4723351a CC |
6388 | } |
6389 | ||
9f272209 AO |
6390 | /* Sort array of indexes in ascending order of loc_offsets[idx] and |
6391 | loc_views. */ | |
51d0d03f | 6392 | |
9f272209 | 6393 | static dwarf_vma *loc_offsets, *loc_views; |
51d0d03f JJ |
6394 | |
6395 | static int | |
6396 | loc_offsets_compar (const void *ap, const void *bp) | |
6397 | { | |
6398 | dwarf_vma a = loc_offsets[*(const unsigned int *) ap]; | |
6399 | dwarf_vma b = loc_offsets[*(const unsigned int *) bp]; | |
6400 | ||
9f272209 AO |
6401 | int ret = (a > b) - (b > a); |
6402 | if (ret) | |
6403 | return ret; | |
6404 | ||
6405 | a = loc_views[*(const unsigned int *) ap]; | |
6406 | b = loc_views[*(const unsigned int *) bp]; | |
6407 | ||
6408 | ret = (a > b) - (b > a); | |
6409 | ||
6410 | return ret; | |
51d0d03f JJ |
6411 | } |
6412 | ||
19e6b90e L |
6413 | static int |
6414 | display_debug_loc (struct dwarf_section *section, void *file) | |
6415 | { | |
9f272209 | 6416 | unsigned char *start = section->start, *vstart = NULL; |
19e6b90e L |
6417 | unsigned long bytes; |
6418 | unsigned char *section_begin = start; | |
6419 | unsigned int num_loc_list = 0; | |
6420 | unsigned long last_offset = 0; | |
9f272209 | 6421 | unsigned long last_view = 0; |
19e6b90e L |
6422 | unsigned int first = 0; |
6423 | unsigned int i; | |
6424 | unsigned int j; | |
6425 | int seen_first_offset = 0; | |
51d0d03f | 6426 | int locs_sorted = 1; |
9f272209 | 6427 | unsigned char *next = start, *vnext = vstart; |
51d0d03f | 6428 | unsigned int *array = NULL; |
4723351a | 6429 | const char *suffix = strrchr (section->name, '.'); |
24841daa | 6430 | bfd_boolean is_dwo = FALSE; |
77145576 JK |
6431 | int is_loclists = strstr (section->name, "debug_loclists") != NULL; |
6432 | dwarf_vma expected_start = 0; | |
4723351a CC |
6433 | |
6434 | if (suffix && strcmp (suffix, ".dwo") == 0) | |
24841daa | 6435 | is_dwo = TRUE; |
19e6b90e L |
6436 | |
6437 | bytes = section->size; | |
19e6b90e L |
6438 | |
6439 | if (bytes == 0) | |
6440 | { | |
6441 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6442 | return 0; | |
6443 | } | |
6444 | ||
77145576 JK |
6445 | if (is_loclists) |
6446 | { | |
6447 | unsigned char *hdrptr = section_begin; | |
6448 | dwarf_vma ll_length; | |
6449 | unsigned short ll_version; | |
6450 | unsigned char *end = section_begin + section->size; | |
6451 | unsigned char address_size, segment_selector_size; | |
6452 | uint32_t offset_entry_count; | |
6453 | ||
6454 | SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 4, end); | |
6455 | if (ll_length == 0xffffffff) | |
6456 | SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 8, end); | |
6457 | ||
6458 | SAFE_BYTE_GET_AND_INC (ll_version, hdrptr, 2, end); | |
6459 | if (ll_version != 5) | |
6460 | { | |
6461 | warn (_("The %s section contains corrupt or " | |
6462 | "unsupported version number: %d.\n"), | |
6463 | section->name, ll_version); | |
6464 | return 0; | |
6465 | } | |
6466 | ||
6467 | SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end); | |
6468 | ||
6469 | SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end); | |
6470 | if (segment_selector_size != 0) | |
6471 | { | |
6472 | warn (_("The %s section contains " | |
6473 | "unsupported segment selector size: %d.\n"), | |
6474 | section->name, segment_selector_size); | |
6475 | return 0; | |
6476 | } | |
6477 | ||
6478 | SAFE_BYTE_GET_AND_INC (offset_entry_count, hdrptr, 4, end); | |
6479 | if (offset_entry_count != 0) | |
6480 | { | |
6481 | warn (_("The %s section contains " | |
6482 | "unsupported offset entry count: %d.\n"), | |
6483 | section->name, offset_entry_count); | |
6484 | return 0; | |
6485 | } | |
6486 | ||
6487 | expected_start = hdrptr - section_begin; | |
6488 | } | |
6489 | ||
1febe64d NC |
6490 | if (load_debug_info (file) == 0) |
6491 | { | |
6492 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
6493 | section->name); | |
6494 | return 0; | |
6495 | } | |
19e6b90e L |
6496 | |
6497 | /* Check the order of location list in .debug_info section. If | |
6498 | offsets of location lists are in the ascending order, we can | |
6499 | use `debug_information' directly. */ | |
6500 | for (i = 0; i < num_debug_info_entries; i++) | |
6501 | { | |
6502 | unsigned int num; | |
6503 | ||
6504 | num = debug_information [i].num_loc_offsets; | |
51d0d03f JJ |
6505 | if (num > num_loc_list) |
6506 | num_loc_list = num; | |
19e6b90e L |
6507 | |
6508 | /* Check if we can use `debug_information' directly. */ | |
51d0d03f | 6509 | if (locs_sorted && num != 0) |
19e6b90e L |
6510 | { |
6511 | if (!seen_first_offset) | |
6512 | { | |
6513 | /* This is the first location list. */ | |
6514 | last_offset = debug_information [i].loc_offsets [0]; | |
9f272209 | 6515 | last_view = debug_information [i].loc_views [0]; |
19e6b90e L |
6516 | first = i; |
6517 | seen_first_offset = 1; | |
6518 | j = 1; | |
6519 | } | |
6520 | else | |
6521 | j = 0; | |
6522 | ||
6523 | for (; j < num; j++) | |
6524 | { | |
6525 | if (last_offset > | |
9f272209 AO |
6526 | debug_information [i].loc_offsets [j] |
6527 | || (last_offset == debug_information [i].loc_offsets [j] | |
6528 | && last_view > debug_information [i].loc_views [j])) | |
19e6b90e | 6529 | { |
51d0d03f | 6530 | locs_sorted = 0; |
19e6b90e L |
6531 | break; |
6532 | } | |
6533 | last_offset = debug_information [i].loc_offsets [j]; | |
9f272209 | 6534 | last_view = debug_information [i].loc_views [j]; |
19e6b90e L |
6535 | } |
6536 | } | |
6537 | } | |
6538 | ||
19e6b90e L |
6539 | if (!seen_first_offset) |
6540 | error (_("No location lists in .debug_info section!\n")); | |
6541 | ||
d4bfc77b | 6542 | if (debug_information [first].num_loc_offsets > 0 |
9f272209 AO |
6543 | && debug_information [first].loc_offsets [0] != expected_start |
6544 | && debug_information [first].loc_views [0] != expected_start) | |
47704ddf KT |
6545 | warn (_("Location lists in %s section start at 0x%s\n"), |
6546 | section->name, | |
6547 | dwarf_vmatoa ("x", debug_information [first].loc_offsets [0])); | |
19e6b90e | 6548 | |
51d0d03f JJ |
6549 | if (!locs_sorted) |
6550 | array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int)); | |
dda8d76d NC |
6551 | |
6552 | introduce (section, FALSE); | |
6553 | ||
d1c4b12b NC |
6554 | if (reloc_at (section, 0)) |
6555 | printf (_(" Warning: This section has relocations - addresses seen here may not be accurate.\n\n")); | |
dda8d76d | 6556 | |
d1c4b12b | 6557 | printf (_(" Offset Begin End Expression\n")); |
19e6b90e L |
6558 | |
6559 | seen_first_offset = 0; | |
6560 | for (i = first; i < num_debug_info_entries; i++) | |
6561 | { | |
9f272209 | 6562 | dwarf_vma offset, voffset; |
359ca075 | 6563 | dwarf_vma base_address; |
d1c4b12b | 6564 | unsigned int k; |
19e6b90e L |
6565 | int has_frame_base; |
6566 | ||
51d0d03f JJ |
6567 | if (!locs_sorted) |
6568 | { | |
6569 | for (k = 0; k < debug_information [i].num_loc_offsets; k++) | |
6570 | array[k] = k; | |
6571 | loc_offsets = debug_information [i].loc_offsets; | |
9f272209 | 6572 | loc_views = debug_information [i].loc_views; |
51d0d03f JJ |
6573 | qsort (array, debug_information [i].num_loc_offsets, |
6574 | sizeof (*array), loc_offsets_compar); | |
6575 | } | |
19e6b90e | 6576 | |
9f272209 | 6577 | int adjacent_view_loclists = 1; |
51d0d03f | 6578 | for (k = 0; k < debug_information [i].num_loc_offsets; k++) |
19e6b90e | 6579 | { |
51d0d03f JJ |
6580 | j = locs_sorted ? k : array[k]; |
6581 | if (k | |
9f272209 | 6582 | && (debug_information [i].loc_offsets [locs_sorted |
51d0d03f | 6583 | ? k - 1 : array [k - 1]] |
9f272209 AO |
6584 | == debug_information [i].loc_offsets [j]) |
6585 | && (debug_information [i].loc_views [locs_sorted | |
6586 | ? k - 1 : array [k - 1]] | |
6587 | == debug_information [i].loc_views [j])) | |
51d0d03f | 6588 | continue; |
19e6b90e | 6589 | has_frame_base = debug_information [i].have_frame_base [j]; |
d493b283 | 6590 | offset = debug_information [i].loc_offsets [j]; |
19e6b90e | 6591 | next = section_begin + offset; |
9f272209 AO |
6592 | voffset = debug_information [i].loc_views [j]; |
6593 | if (voffset != vm1) | |
6594 | vnext = section_begin + voffset; | |
6595 | else | |
6596 | vnext = NULL; | |
19e6b90e L |
6597 | base_address = debug_information [i].base_address; |
6598 | ||
9f272209 AO |
6599 | if (vnext && vnext < next) |
6600 | { | |
6601 | vstart = vnext; | |
6602 | display_view_pair_list (section, &vstart, i, next); | |
6603 | if (start == vnext) | |
6604 | start = vstart; | |
6605 | } | |
6606 | ||
6607 | if (!seen_first_offset || !adjacent_view_loclists) | |
19e6b90e L |
6608 | seen_first_offset = 1; |
6609 | else | |
6610 | { | |
6611 | if (start < next) | |
6612 | warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e | 6613 | (unsigned long) (start - section_begin), |
c8071705 | 6614 | (unsigned long) offset); |
19e6b90e L |
6615 | else if (start > next) |
6616 | warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e | 6617 | (unsigned long) (start - section_begin), |
c8071705 | 6618 | (unsigned long) offset); |
19e6b90e L |
6619 | } |
6620 | start = next; | |
9f272209 | 6621 | vstart = vnext; |
19e6b90e L |
6622 | |
6623 | if (offset >= bytes) | |
6624 | { | |
6625 | warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"), | |
359ca075 | 6626 | (unsigned long) offset); |
19e6b90e L |
6627 | continue; |
6628 | } | |
6629 | ||
9f272209 AO |
6630 | if (vnext && voffset >= bytes) |
6631 | { | |
6632 | warn (_("View Offset 0x%lx is bigger than .debug_loc section size.\n"), | |
6633 | (unsigned long) voffset); | |
6634 | continue; | |
6635 | } | |
6636 | ||
77145576 JK |
6637 | if (!is_loclists) |
6638 | { | |
6639 | if (is_dwo) | |
6640 | display_loc_list_dwo (section, &start, i, offset, | |
9f272209 | 6641 | &vstart, has_frame_base); |
77145576 JK |
6642 | else |
6643 | display_loc_list (section, &start, i, offset, base_address, | |
9f272209 | 6644 | &vstart, has_frame_base); |
77145576 | 6645 | } |
b4eb7656 | 6646 | else |
77145576 JK |
6647 | { |
6648 | if (is_dwo) | |
6649 | warn (_("DWO is not yet supported.\n")); | |
6650 | else | |
6651 | display_loclists_list (section, &start, i, offset, base_address, | |
9f272209 AO |
6652 | &vstart, has_frame_base); |
6653 | } | |
6654 | ||
6655 | /* FIXME: this arrangement is quite simplistic. Nothing | |
6656 | requires locview lists to be adjacent to corresponding | |
6657 | loclists, and a single loclist could be augmented by | |
6658 | different locview lists, and vice-versa, unlikely as it | |
6659 | is that it would make sense to do so. Hopefully we'll | |
6660 | have view pair support built into loclists before we ever | |
6661 | need to address all these possibilities. */ | |
6662 | if (adjacent_view_loclists && vnext | |
6663 | && vnext != start && vstart != next) | |
6664 | { | |
6665 | adjacent_view_loclists = 0; | |
6666 | warn (_("Hole and overlap detection requires adjacent view lists and loclists.\n")); | |
77145576 | 6667 | } |
9f272209 AO |
6668 | |
6669 | if (vnext && vnext == start) | |
6670 | display_view_pair_list (section, &start, i, vstart); | |
19e6b90e L |
6671 | } |
6672 | } | |
031cd65f | 6673 | |
4723351a | 6674 | if (start < section->start + section->size) |
d3a49aa8 AM |
6675 | warn (ngettext ("There is %ld unused byte at the end of section %s\n", |
6676 | "There are %ld unused bytes at the end of section %s\n", | |
6677 | (long) (section->start + section->size - start)), | |
4723351a | 6678 | (long) (section->start + section->size - start), section->name); |
98fb390a | 6679 | putchar ('\n'); |
51d0d03f | 6680 | free (array); |
19e6b90e L |
6681 | return 1; |
6682 | } | |
6683 | ||
6684 | static int | |
6685 | display_debug_str (struct dwarf_section *section, | |
6686 | void *file ATTRIBUTE_UNUSED) | |
6687 | { | |
6688 | unsigned char *start = section->start; | |
6689 | unsigned long bytes = section->size; | |
6690 | dwarf_vma addr = section->address; | |
6691 | ||
6692 | if (bytes == 0) | |
6693 | { | |
6694 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6695 | return 0; | |
6696 | } | |
6697 | ||
dda8d76d | 6698 | introduce (section, FALSE); |
19e6b90e L |
6699 | |
6700 | while (bytes) | |
6701 | { | |
6702 | int j; | |
6703 | int k; | |
6704 | int lbytes; | |
6705 | ||
6706 | lbytes = (bytes > 16 ? 16 : bytes); | |
6707 | ||
6708 | printf (" 0x%8.8lx ", (unsigned long) addr); | |
6709 | ||
6710 | for (j = 0; j < 16; j++) | |
6711 | { | |
6712 | if (j < lbytes) | |
6713 | printf ("%2.2x", start[j]); | |
6714 | else | |
6715 | printf (" "); | |
6716 | ||
6717 | if ((j & 3) == 3) | |
6718 | printf (" "); | |
6719 | } | |
6720 | ||
6721 | for (j = 0; j < lbytes; j++) | |
6722 | { | |
6723 | k = start[j]; | |
6724 | if (k >= ' ' && k < 0x80) | |
6725 | printf ("%c", k); | |
6726 | else | |
6727 | printf ("."); | |
6728 | } | |
6729 | ||
6730 | putchar ('\n'); | |
6731 | ||
6732 | start += lbytes; | |
6733 | addr += lbytes; | |
6734 | bytes -= lbytes; | |
6735 | } | |
6736 | ||
6737 | putchar ('\n'); | |
6738 | ||
6739 | return 1; | |
6740 | } | |
6741 | ||
19e6b90e L |
6742 | static int |
6743 | display_debug_info (struct dwarf_section *section, void *file) | |
6744 | { | |
d85bf2ba | 6745 | return process_debug_info (section, file, section->abbrev_sec, FALSE, FALSE); |
19e6b90e L |
6746 | } |
6747 | ||
2b6f5997 CC |
6748 | static int |
6749 | display_debug_types (struct dwarf_section *section, void *file) | |
6750 | { | |
d85bf2ba | 6751 | return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE); |
6f875884 TG |
6752 | } |
6753 | ||
6754 | static int | |
6755 | display_trace_info (struct dwarf_section *section, void *file) | |
6756 | { | |
d85bf2ba | 6757 | return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE); |
2b6f5997 | 6758 | } |
19e6b90e L |
6759 | |
6760 | static int | |
6761 | display_debug_aranges (struct dwarf_section *section, | |
6762 | void *file ATTRIBUTE_UNUSED) | |
6763 | { | |
6764 | unsigned char *start = section->start; | |
6765 | unsigned char *end = start + section->size; | |
6766 | ||
dda8d76d | 6767 | introduce (section, FALSE); |
19e6b90e | 6768 | |
6e3d6dc1 NC |
6769 | /* It does not matter if this load fails, |
6770 | we test for that later on. */ | |
6771 | load_debug_info (file); | |
6772 | ||
19e6b90e L |
6773 | while (start < end) |
6774 | { | |
6775 | unsigned char *hdrptr; | |
6776 | DWARF2_Internal_ARange arange; | |
91d6fa6a | 6777 | unsigned char *addr_ranges; |
2d9472a2 NC |
6778 | dwarf_vma length; |
6779 | dwarf_vma address; | |
e98fdf1a | 6780 | unsigned long sec_off; |
53b8873b | 6781 | unsigned char address_size; |
19e6b90e | 6782 | int excess; |
bf5117e3 NC |
6783 | unsigned int offset_size; |
6784 | unsigned int initial_length_size; | |
19e6b90e L |
6785 | |
6786 | hdrptr = start; | |
6787 | ||
0c588247 | 6788 | SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 4, end); |
19e6b90e L |
6789 | if (arange.ar_length == 0xffffffff) |
6790 | { | |
0c588247 | 6791 | SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 8, end); |
19e6b90e L |
6792 | offset_size = 8; |
6793 | initial_length_size = 12; | |
6794 | } | |
6795 | else | |
6796 | { | |
6797 | offset_size = 4; | |
6798 | initial_length_size = 4; | |
6799 | } | |
6800 | ||
e98fdf1a AM |
6801 | sec_off = hdrptr - section->start; |
6802 | if (sec_off + arange.ar_length < sec_off | |
6803 | || sec_off + arange.ar_length > section->size) | |
6804 | { | |
6805 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), | |
6806 | section->name, | |
6807 | sec_off - initial_length_size, | |
6808 | dwarf_vmatoa ("x", arange.ar_length)); | |
6809 | break; | |
6810 | } | |
6811 | ||
0c588247 NC |
6812 | SAFE_BYTE_GET_AND_INC (arange.ar_version, hdrptr, 2, end); |
6813 | SAFE_BYTE_GET_AND_INC (arange.ar_info_offset, hdrptr, offset_size, end); | |
19e6b90e | 6814 | |
6e3d6dc1 NC |
6815 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE |
6816 | && num_debug_info_entries > 0 | |
6817 | && find_debug_info_for_offset (arange.ar_info_offset) == NULL) | |
6818 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), | |
47704ddf | 6819 | (unsigned long) arange.ar_info_offset, section->name); |
6e3d6dc1 | 6820 | |
0c588247 NC |
6821 | SAFE_BYTE_GET_AND_INC (arange.ar_pointer_size, hdrptr, 1, end); |
6822 | SAFE_BYTE_GET_AND_INC (arange.ar_segment_size, hdrptr, 1, end); | |
19e6b90e L |
6823 | |
6824 | if (arange.ar_version != 2 && arange.ar_version != 3) | |
6825 | { | |
67f101ee NC |
6826 | /* PR 19872: A version number of 0 probably means that there is |
6827 | padding at the end of the .debug_aranges section. Gold puts | |
6828 | it there when performing an incremental link, for example. | |
6829 | So do not generate a warning in this case. */ | |
6830 | if (arange.ar_version) | |
6831 | warn (_("Only DWARF 2 and 3 aranges are currently supported.\n")); | |
19e6b90e L |
6832 | break; |
6833 | } | |
6834 | ||
47704ddf KT |
6835 | printf (_(" Length: %ld\n"), |
6836 | (long) arange.ar_length); | |
19e6b90e | 6837 | printf (_(" Version: %d\n"), arange.ar_version); |
47704ddf KT |
6838 | printf (_(" Offset into .debug_info: 0x%lx\n"), |
6839 | (unsigned long) arange.ar_info_offset); | |
19e6b90e L |
6840 | printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size); |
6841 | printf (_(" Segment Size: %d\n"), arange.ar_segment_size); | |
6842 | ||
53b8873b NC |
6843 | address_size = arange.ar_pointer_size + arange.ar_segment_size; |
6844 | ||
f41e4712 NC |
6845 | /* PR 17512: file: 001-108546-0.001:0.1. */ |
6846 | if (address_size == 0 || address_size > 8) | |
b3681d67 L |
6847 | { |
6848 | error (_("Invalid address size in %s section!\n"), | |
6849 | section->name); | |
6850 | break; | |
6851 | } | |
6852 | ||
53b8873b NC |
6853 | /* The DWARF spec does not require that the address size be a power |
6854 | of two, but we do. This will have to change if we ever encounter | |
6855 | an uneven architecture. */ | |
6856 | if ((address_size & (address_size - 1)) != 0) | |
6857 | { | |
6858 | warn (_("Pointer size + Segment size is not a power of two.\n")); | |
6859 | break; | |
6860 | } | |
cecf136e | 6861 | |
209c9a13 NC |
6862 | if (address_size > 4) |
6863 | printf (_("\n Address Length\n")); | |
6864 | else | |
6865 | printf (_("\n Address Length\n")); | |
19e6b90e | 6866 | |
91d6fa6a | 6867 | addr_ranges = hdrptr; |
19e6b90e | 6868 | |
53b8873b NC |
6869 | /* Must pad to an alignment boundary that is twice the address size. */ |
6870 | excess = (hdrptr - start) % (2 * address_size); | |
19e6b90e | 6871 | if (excess) |
91d6fa6a | 6872 | addr_ranges += (2 * address_size) - excess; |
19e6b90e | 6873 | |
e98fdf1a | 6874 | start += arange.ar_length + initial_length_size; |
1617e571 | 6875 | |
91d6fa6a | 6876 | while (addr_ranges + 2 * address_size <= start) |
19e6b90e | 6877 | { |
0c588247 NC |
6878 | SAFE_BYTE_GET_AND_INC (address, addr_ranges, address_size, end); |
6879 | SAFE_BYTE_GET_AND_INC (length, addr_ranges, address_size, end); | |
19e6b90e | 6880 | |
80c35038 | 6881 | printf (" "); |
2d9472a2 NC |
6882 | print_dwarf_vma (address, address_size); |
6883 | print_dwarf_vma (length, address_size); | |
6884 | putchar ('\n'); | |
19e6b90e | 6885 | } |
19e6b90e L |
6886 | } |
6887 | ||
6888 | printf ("\n"); | |
6889 | ||
6890 | return 1; | |
6891 | } | |
6892 | ||
4723351a CC |
6893 | /* Comparison function for qsort. */ |
6894 | static int | |
6895 | comp_addr_base (const void * v0, const void * v1) | |
6896 | { | |
d367307b AM |
6897 | debug_info *info0 = *(debug_info **) v0; |
6898 | debug_info *info1 = *(debug_info **) v1; | |
4723351a CC |
6899 | return info0->addr_base - info1->addr_base; |
6900 | } | |
6901 | ||
6902 | /* Display the debug_addr section. */ | |
6903 | static int | |
6904 | display_debug_addr (struct dwarf_section *section, | |
b4eb7656 | 6905 | void *file) |
4723351a CC |
6906 | { |
6907 | debug_info **debug_addr_info; | |
6908 | unsigned char *entry; | |
6909 | unsigned char *end; | |
6910 | unsigned int i; | |
6911 | unsigned int count; | |
6912 | ||
6913 | if (section->size == 0) | |
6914 | { | |
6915 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6916 | return 0; | |
6917 | } | |
6918 | ||
6919 | if (load_debug_info (file) == 0) | |
6920 | { | |
6921 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
6922 | section->name); | |
6923 | return 0; | |
6924 | } | |
6925 | ||
dda8d76d | 6926 | introduce (section, FALSE); |
4723351a | 6927 | |
1306a742 NC |
6928 | /* PR 17531: file: cf38d01b. |
6929 | We use xcalloc because a corrupt file may not have initialised all of the | |
6930 | fields in the debug_info structure, which means that the sort below might | |
6931 | try to move uninitialised data. */ | |
6932 | debug_addr_info = (debug_info **) xcalloc ((num_debug_info_entries + 1), | |
b4eb7656 | 6933 | sizeof (debug_info *)); |
4723351a CC |
6934 | |
6935 | count = 0; | |
6936 | for (i = 0; i < num_debug_info_entries; i++) | |
82b1b41b | 6937 | if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE) |
1306a742 NC |
6938 | { |
6939 | /* PR 17531: file: cf38d01b. */ | |
6940 | if (debug_information[i].addr_base >= section->size) | |
6941 | warn (_("Corrupt address base (%lx) found in debug section %u\n"), | |
6942 | (unsigned long) debug_information[i].addr_base, i); | |
6943 | else | |
6944 | debug_addr_info [count++] = debug_information + i; | |
6945 | } | |
4723351a CC |
6946 | |
6947 | /* Add a sentinel to make iteration convenient. */ | |
6948 | debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info)); | |
6949 | debug_addr_info [count]->addr_base = section->size; | |
4723351a | 6950 | qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base); |
1306a742 | 6951 | |
4723351a CC |
6952 | for (i = 0; i < count; i++) |
6953 | { | |
6954 | unsigned int idx; | |
fab128ef | 6955 | unsigned int address_size = debug_addr_info [i]->pointer_size; |
4723351a CC |
6956 | |
6957 | printf (_(" For compilation unit at offset 0x%s:\n"), | |
b4eb7656 | 6958 | dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset)); |
4723351a | 6959 | |
fab128ef | 6960 | printf (_("\tIndex\tAddress\n")); |
4723351a CC |
6961 | entry = section->start + debug_addr_info [i]->addr_base; |
6962 | end = section->start + debug_addr_info [i + 1]->addr_base; | |
6963 | idx = 0; | |
6964 | while (entry < end) | |
b4eb7656 AM |
6965 | { |
6966 | dwarf_vma base = byte_get (entry, address_size); | |
6967 | printf (_("\t%d:\t"), idx); | |
6968 | print_dwarf_vma (base, address_size); | |
6969 | printf ("\n"); | |
6970 | entry += address_size; | |
6971 | idx++; | |
6972 | } | |
4723351a CC |
6973 | } |
6974 | printf ("\n"); | |
6975 | ||
6976 | free (debug_addr_info); | |
6977 | return 1; | |
6978 | } | |
6979 | ||
6980 | /* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */ | |
24841daa | 6981 | |
4723351a CC |
6982 | static int |
6983 | display_debug_str_offsets (struct dwarf_section *section, | |
b4eb7656 | 6984 | void *file ATTRIBUTE_UNUSED) |
4723351a CC |
6985 | { |
6986 | if (section->size == 0) | |
6987 | { | |
6988 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6989 | return 0; | |
6990 | } | |
6991 | /* TODO: Dump the contents. This is made somewhat difficult by not knowing | |
6992 | what the offset size is for this section. */ | |
6993 | return 1; | |
6994 | } | |
6995 | ||
01a8f077 JK |
6996 | /* Each debug_information[x].range_lists[y] gets this representation for |
6997 | sorting purposes. */ | |
6998 | ||
6999 | struct range_entry | |
467c65bc NC |
7000 | { |
7001 | /* The debug_information[x].range_lists[y] value. */ | |
359ca075 | 7002 | dwarf_vma ranges_offset; |
01a8f077 | 7003 | |
467c65bc NC |
7004 | /* Original debug_information to find parameters of the data. */ |
7005 | debug_info *debug_info_p; | |
7006 | }; | |
01a8f077 JK |
7007 | |
7008 | /* Sort struct range_entry in ascending order of its RANGES_OFFSET. */ | |
7009 | ||
7010 | static int | |
7011 | range_entry_compar (const void *ap, const void *bp) | |
7012 | { | |
3f5e193b NC |
7013 | const struct range_entry *a_re = (const struct range_entry *) ap; |
7014 | const struct range_entry *b_re = (const struct range_entry *) bp; | |
359ca075 JK |
7015 | const dwarf_vma a = a_re->ranges_offset; |
7016 | const dwarf_vma b = b_re->ranges_offset; | |
01a8f077 JK |
7017 | |
7018 | return (a > b) - (b > a); | |
7019 | } | |
7020 | ||
77145576 JK |
7021 | static void |
7022 | display_debug_ranges_list (unsigned char *start, unsigned char *finish, | |
7023 | unsigned int pointer_size, unsigned long offset, | |
7024 | unsigned long base_address) | |
7025 | { | |
7026 | while (start < finish) | |
7027 | { | |
7028 | dwarf_vma begin; | |
7029 | dwarf_vma end; | |
7030 | ||
7031 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
7032 | if (start >= finish) | |
7033 | break; | |
7034 | SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish); | |
7035 | ||
d11ae95e | 7036 | |
77145576 JK |
7037 | printf (" %8.8lx ", offset); |
7038 | ||
7039 | if (begin == 0 && end == 0) | |
7040 | { | |
7041 | printf (_("<End of list>\n")); | |
7042 | break; | |
7043 | } | |
7044 | ||
7045 | /* Check base address specifiers. */ | |
7046 | if (is_max_address (begin, pointer_size) | |
7047 | && !is_max_address (end, pointer_size)) | |
7048 | { | |
7049 | base_address = end; | |
7050 | print_dwarf_vma (begin, pointer_size); | |
7051 | print_dwarf_vma (end, pointer_size); | |
7052 | printf ("(base address)\n"); | |
7053 | continue; | |
7054 | } | |
7055 | ||
7056 | print_dwarf_vma (begin + base_address, pointer_size); | |
7057 | print_dwarf_vma (end + base_address, pointer_size); | |
7058 | ||
7059 | if (begin == end) | |
7060 | fputs (_("(start == end)"), stdout); | |
7061 | else if (begin > end) | |
7062 | fputs (_("(start > end)"), stdout); | |
7063 | ||
7064 | putchar ('\n'); | |
7065 | } | |
7066 | } | |
7067 | ||
7068 | static void | |
7069 | display_debug_rnglists_list (unsigned char *start, unsigned char *finish, | |
7070 | unsigned int pointer_size, unsigned long offset, | |
7071 | unsigned long base_address) | |
7072 | { | |
7073 | unsigned char *next = start; | |
7074 | ||
7075 | while (1) | |
7076 | { | |
7077 | unsigned long off = offset + (start - next); | |
7078 | enum dwarf_range_list_entry rlet; | |
9dfd0db9 JK |
7079 | /* Initialize it due to a false compiler warning. */ |
7080 | dwarf_vma begin = -1, length, end = -1; | |
77145576 JK |
7081 | unsigned int bytes_read; |
7082 | ||
7083 | if (start + 1 > finish) | |
7084 | { | |
7085 | warn (_("Range list starting at offset 0x%lx is not terminated.\n"), | |
7086 | offset); | |
7087 | break; | |
7088 | } | |
7089 | ||
7090 | printf (" %8.8lx ", off); | |
7091 | ||
7092 | SAFE_BYTE_GET_AND_INC (rlet, start, 1, finish); | |
7093 | ||
7094 | switch (rlet) | |
7095 | { | |
7096 | case DW_RLE_end_of_list: | |
7097 | printf (_("<End of list>\n")); | |
7098 | break; | |
7099 | case DW_RLE_base_address: | |
7100 | SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, finish); | |
7101 | print_dwarf_vma (base_address, pointer_size); | |
7102 | printf (_("(base address)\n")); | |
7103 | break; | |
7104 | case DW_RLE_start_length: | |
7105 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
7106 | length = read_uleb128 (start, &bytes_read, finish); | |
7107 | start += bytes_read; | |
7108 | end = begin + length; | |
7109 | break; | |
7110 | case DW_RLE_offset_pair: | |
7111 | begin = read_uleb128 (start, &bytes_read, finish); | |
7112 | start += bytes_read; | |
7113 | end = read_uleb128 (start, &bytes_read, finish); | |
7114 | start += bytes_read; | |
7115 | break; | |
7116 | case DW_RLE_start_end: | |
7117 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
7118 | SAFE_BYTE_GET_AND_INC (end, start, pointer_size, finish); | |
7119 | break; | |
7120 | default: | |
7121 | error (_("Invalid range list entry type %d\n"), rlet); | |
7122 | rlet = DW_RLE_end_of_list; | |
7123 | break; | |
7124 | } | |
7125 | if (rlet == DW_RLE_end_of_list) | |
7126 | break; | |
7127 | if (rlet == DW_RLE_base_address) | |
7128 | continue; | |
7129 | ||
7130 | print_dwarf_vma (begin + base_address, pointer_size); | |
7131 | print_dwarf_vma (end + base_address, pointer_size); | |
7132 | ||
7133 | if (begin == end) | |
7134 | fputs (_("(start == end)"), stdout); | |
7135 | else if (begin > end) | |
7136 | fputs (_("(start > end)"), stdout); | |
7137 | ||
7138 | putchar ('\n'); | |
7139 | } | |
7140 | } | |
7141 | ||
19e6b90e L |
7142 | static int |
7143 | display_debug_ranges (struct dwarf_section *section, | |
7144 | void *file ATTRIBUTE_UNUSED) | |
7145 | { | |
7146 | unsigned char *start = section->start; | |
a2ff7a4b | 7147 | unsigned char *last_start = start; |
f6f0e17b | 7148 | unsigned long bytes = section->size; |
19e6b90e | 7149 | unsigned char *section_begin = start; |
f6f0e17b | 7150 | unsigned char *finish = start + bytes; |
01a8f077 JK |
7151 | unsigned int num_range_list, i; |
7152 | struct range_entry *range_entries, *range_entry_fill; | |
77145576 JK |
7153 | int is_rnglists = strstr (section->name, "debug_rnglists") != NULL; |
7154 | /* Initialize it due to a false compiler warning. */ | |
7155 | unsigned char address_size = 0; | |
19e6b90e | 7156 | |
19e6b90e L |
7157 | if (bytes == 0) |
7158 | { | |
7159 | printf (_("\nThe %s section is empty.\n"), section->name); | |
7160 | return 0; | |
7161 | } | |
7162 | ||
77145576 JK |
7163 | if (is_rnglists) |
7164 | { | |
7165 | dwarf_vma initial_length; | |
7166 | unsigned int initial_length_size; | |
7167 | unsigned char segment_selector_size; | |
7168 | unsigned int offset_size, offset_entry_count; | |
7169 | unsigned short version; | |
7170 | ||
7171 | /* Get and check the length of the block. */ | |
7172 | SAFE_BYTE_GET_AND_INC (initial_length, start, 4, finish); | |
7173 | ||
7174 | if (initial_length == 0xffffffff) | |
7175 | { | |
7176 | /* This section is 64-bit DWARF 3. */ | |
7177 | SAFE_BYTE_GET_AND_INC (initial_length, start, 8, finish); | |
7178 | offset_size = 8; | |
7179 | initial_length_size = 12; | |
7180 | } | |
7181 | else | |
7182 | { | |
7183 | offset_size = 4; | |
7184 | initial_length_size = 4; | |
7185 | } | |
7186 | ||
7187 | if (initial_length + initial_length_size > section->size) | |
7188 | { | |
7189 | /* If the length field has a relocation against it, then we should | |
7190 | not complain if it is inaccurate (and probably negative). | |
7191 | It is copied from .debug_line handling code. */ | |
7192 | if (reloc_at (section, (start - section->start) - offset_size)) | |
7193 | { | |
7194 | initial_length = (finish - start) - initial_length_size; | |
7195 | } | |
7196 | else | |
7197 | { | |
7198 | warn (_("The length field (0x%lx) in the debug_rnglists header is wrong - the section is too small\n"), | |
7199 | (long) initial_length); | |
7200 | return 0; | |
7201 | } | |
7202 | } | |
7203 | ||
7204 | /* Get and check the version number. */ | |
7205 | SAFE_BYTE_GET_AND_INC (version, start, 2, finish); | |
7206 | ||
7207 | if (version != 5) | |
7208 | { | |
7209 | warn (_("Only DWARF version 5 debug_rnglists info " | |
7210 | "is currently supported.\n")); | |
7211 | return 0; | |
7212 | } | |
7213 | ||
7214 | SAFE_BYTE_GET_AND_INC (address_size, start, 1, finish); | |
7215 | ||
7216 | SAFE_BYTE_GET_AND_INC (segment_selector_size, start, 1, finish); | |
7217 | if (segment_selector_size != 0) | |
7218 | { | |
7219 | warn (_("The %s section contains " | |
7220 | "unsupported segment selector size: %d.\n"), | |
7221 | section->name, segment_selector_size); | |
7222 | return 0; | |
7223 | } | |
7224 | ||
7225 | SAFE_BYTE_GET_AND_INC (offset_entry_count, start, 4, finish); | |
7226 | if (offset_entry_count != 0) | |
7227 | { | |
7228 | warn (_("The %s section contains " | |
7229 | "unsupported offset entry count: %u.\n"), | |
7230 | section->name, offset_entry_count); | |
7231 | return 0; | |
7232 | } | |
7233 | } | |
7234 | ||
1febe64d NC |
7235 | if (load_debug_info (file) == 0) |
7236 | { | |
7237 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
7238 | section->name); | |
7239 | return 0; | |
7240 | } | |
19e6b90e | 7241 | |
01a8f077 | 7242 | num_range_list = 0; |
19e6b90e | 7243 | for (i = 0; i < num_debug_info_entries; i++) |
01a8f077 | 7244 | num_range_list += debug_information [i].num_range_lists; |
19e6b90e | 7245 | |
01a8f077 | 7246 | if (num_range_list == 0) |
4723351a CC |
7247 | { |
7248 | /* This can happen when the file was compiled with -gsplit-debug | |
b4eb7656 | 7249 | which removes references to range lists from the primary .o file. */ |
4723351a CC |
7250 | printf (_("No range lists in .debug_info section.\n")); |
7251 | return 1; | |
7252 | } | |
19e6b90e | 7253 | |
3f5e193b NC |
7254 | range_entries = (struct range_entry *) |
7255 | xmalloc (sizeof (*range_entries) * num_range_list); | |
01a8f077 | 7256 | range_entry_fill = range_entries; |
19e6b90e | 7257 | |
01a8f077 JK |
7258 | for (i = 0; i < num_debug_info_entries; i++) |
7259 | { | |
7260 | debug_info *debug_info_p = &debug_information[i]; | |
7261 | unsigned int j; | |
7262 | ||
7263 | for (j = 0; j < debug_info_p->num_range_lists; j++) | |
7264 | { | |
7265 | range_entry_fill->ranges_offset = debug_info_p->range_lists[j]; | |
7266 | range_entry_fill->debug_info_p = debug_info_p; | |
7267 | range_entry_fill++; | |
19e6b90e L |
7268 | } |
7269 | } | |
7270 | ||
01a8f077 JK |
7271 | qsort (range_entries, num_range_list, sizeof (*range_entries), |
7272 | range_entry_compar); | |
19e6b90e | 7273 | |
d493b283 | 7274 | if (dwarf_check != 0 && range_entries[0].ranges_offset != 0) |
19e6b90e | 7275 | warn (_("Range lists in %s section start at 0x%lx\n"), |
359ca075 | 7276 | section->name, (unsigned long) range_entries[0].ranges_offset); |
19e6b90e | 7277 | |
dda8d76d NC |
7278 | introduce (section, FALSE); |
7279 | ||
19e6b90e L |
7280 | printf (_(" Offset Begin End\n")); |
7281 | ||
01a8f077 | 7282 | for (i = 0; i < num_range_list; i++) |
19e6b90e | 7283 | { |
01a8f077 JK |
7284 | struct range_entry *range_entry = &range_entries[i]; |
7285 | debug_info *debug_info_p = range_entry->debug_info_p; | |
19e6b90e | 7286 | unsigned int pointer_size; |
359ca075 | 7287 | dwarf_vma offset; |
01a8f077 | 7288 | unsigned char *next; |
359ca075 | 7289 | dwarf_vma base_address; |
19e6b90e | 7290 | |
77145576 | 7291 | pointer_size = (is_rnglists ? address_size : debug_info_p->pointer_size); |
d493b283 | 7292 | offset = range_entry->ranges_offset; |
01a8f077 JK |
7293 | next = section_begin + offset; |
7294 | base_address = debug_info_p->base_address; | |
cecf136e | 7295 | |
f41e4712 NC |
7296 | /* PR 17512: file: 001-101485-0.001:0.1. */ |
7297 | if (pointer_size < 2 || pointer_size > 8) | |
7298 | { | |
7299 | warn (_("Corrupt pointer size (%d) in debug entry at offset %8.8lx\n"), | |
359ca075 | 7300 | pointer_size, (unsigned long) offset); |
f41e4712 NC |
7301 | continue; |
7302 | } | |
b4eb7656 | 7303 | |
d11ae95e NC |
7304 | if (next < section_begin || next >= finish) |
7305 | { | |
7306 | warn (_("Corrupt offset (%#8.8lx) in range entry %u\n"), | |
7307 | (unsigned long) offset, i); | |
7308 | continue; | |
7309 | } | |
7310 | ||
4723351a | 7311 | if (dwarf_check != 0 && i > 0) |
19e6b90e | 7312 | { |
01a8f077 JK |
7313 | if (start < next) |
7314 | warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"), | |
7315 | (unsigned long) (start - section_begin), | |
7316 | (unsigned long) (next - section_begin), section->name); | |
7317 | else if (start > next) | |
a2ff7a4b AM |
7318 | { |
7319 | if (next == last_start) | |
7320 | continue; | |
7321 | warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"), | |
7322 | (unsigned long) (start - section_begin), | |
7323 | (unsigned long) (next - section_begin), section->name); | |
7324 | } | |
01a8f077 | 7325 | } |
d11ae95e | 7326 | |
01a8f077 | 7327 | start = next; |
a2ff7a4b | 7328 | last_start = next; |
19e6b90e | 7329 | |
77145576 JK |
7330 | (is_rnglists ? display_debug_rnglists_list : display_debug_ranges_list) |
7331 | (start, finish, pointer_size, offset, base_address); | |
19e6b90e L |
7332 | } |
7333 | putchar ('\n'); | |
01a8f077 JK |
7334 | |
7335 | free (range_entries); | |
7336 | ||
19e6b90e L |
7337 | return 1; |
7338 | } | |
7339 | ||
7340 | typedef struct Frame_Chunk | |
7341 | { | |
7342 | struct Frame_Chunk *next; | |
7343 | unsigned char *chunk_start; | |
a1165289 | 7344 | unsigned int ncols; |
19e6b90e L |
7345 | /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */ |
7346 | short int *col_type; | |
7347 | int *col_offset; | |
7348 | char *augmentation; | |
7349 | unsigned int code_factor; | |
7350 | int data_factor; | |
bf5117e3 NC |
7351 | dwarf_vma pc_begin; |
7352 | dwarf_vma pc_range; | |
32ef3000 | 7353 | unsigned int cfa_reg; |
c8071705 | 7354 | dwarf_vma cfa_offset; |
a1165289 | 7355 | unsigned int ra; |
19e6b90e L |
7356 | unsigned char fde_encoding; |
7357 | unsigned char cfa_exp; | |
604282a7 JJ |
7358 | unsigned char ptr_size; |
7359 | unsigned char segment_size; | |
19e6b90e L |
7360 | } |
7361 | Frame_Chunk; | |
7362 | ||
665ce1f6 L |
7363 | static const char *const *dwarf_regnames; |
7364 | static unsigned int dwarf_regnames_count; | |
7365 | ||
19e6b90e L |
7366 | /* A marker for a col_type that means this column was never referenced |
7367 | in the frame info. */ | |
7368 | #define DW_CFA_unreferenced (-1) | |
7369 | ||
a1165289 | 7370 | /* Return 0 if no more space is needed, 1 if more space is needed, |
665ce1f6 L |
7371 | -1 for invalid reg. */ |
7372 | ||
7373 | static int | |
7374 | frame_need_space (Frame_Chunk *fc, unsigned int reg) | |
19e6b90e | 7375 | { |
a1165289 | 7376 | unsigned int prev = fc->ncols; |
19e6b90e | 7377 | |
665ce1f6 L |
7378 | if (reg < (unsigned int) fc->ncols) |
7379 | return 0; | |
7380 | ||
7381 | if (dwarf_regnames_count | |
7382 | && reg > dwarf_regnames_count) | |
7383 | return -1; | |
19e6b90e L |
7384 | |
7385 | fc->ncols = reg + 1; | |
a1165289 NC |
7386 | /* PR 17512: file: 10450-2643-0.004. |
7387 | If reg == -1 then this can happen... */ | |
7388 | if (fc->ncols == 0) | |
7389 | return -1; | |
7390 | ||
06614111 NC |
7391 | /* PR 17512: file: 2844a11d. */ |
7392 | if (fc->ncols > 1024) | |
7393 | { | |
7394 | error (_("Unfeasibly large register number: %u\n"), reg); | |
7395 | fc->ncols = 0; | |
7396 | /* FIXME: 1024 is an arbitrary limit. Increase it if | |
7397 | we ever encounter a valid binary that exceeds it. */ | |
7398 | return -1; | |
7399 | } | |
7400 | ||
3f5e193b | 7401 | fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols, |
b4eb7656 | 7402 | sizeof (short int)); |
3f5e193b | 7403 | fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int)); |
b4eb7656 | 7404 | /* PR 17512: file:002-10025-0.005. */ |
041830e0 NC |
7405 | if (fc->col_type == NULL || fc->col_offset == NULL) |
7406 | { | |
7407 | error (_("Out of memory allocating %u columns in dwarf frame arrays\n"), | |
7408 | fc->ncols); | |
7409 | fc->ncols = 0; | |
7410 | return -1; | |
7411 | } | |
19e6b90e L |
7412 | |
7413 | while (prev < fc->ncols) | |
7414 | { | |
7415 | fc->col_type[prev] = DW_CFA_unreferenced; | |
7416 | fc->col_offset[prev] = 0; | |
7417 | prev++; | |
7418 | } | |
665ce1f6 | 7419 | return 1; |
19e6b90e L |
7420 | } |
7421 | ||
2dc4cec1 L |
7422 | static const char *const dwarf_regnames_i386[] = |
7423 | { | |
43234a1e L |
7424 | "eax", "ecx", "edx", "ebx", /* 0 - 3 */ |
7425 | "esp", "ebp", "esi", "edi", /* 4 - 7 */ | |
7426 | "eip", "eflags", NULL, /* 8 - 10 */ | |
7427 | "st0", "st1", "st2", "st3", /* 11 - 14 */ | |
7428 | "st4", "st5", "st6", "st7", /* 15 - 18 */ | |
7429 | NULL, NULL, /* 19 - 20 */ | |
7430 | "xmm0", "xmm1", "xmm2", "xmm3", /* 21 - 24 */ | |
7431 | "xmm4", "xmm5", "xmm6", "xmm7", /* 25 - 28 */ | |
7432 | "mm0", "mm1", "mm2", "mm3", /* 29 - 32 */ | |
7433 | "mm4", "mm5", "mm6", "mm7", /* 33 - 36 */ | |
7434 | "fcw", "fsw", "mxcsr", /* 37 - 39 */ | |
7435 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */ | |
7436 | "tr", "ldtr", /* 48 - 49 */ | |
7437 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */ | |
7438 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */ | |
7439 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */ | |
7440 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */ | |
7441 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */ | |
7442 | NULL, NULL, NULL, /* 90 - 92 */ | |
7443 | "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" /* 93 - 100 */ | |
2dc4cec1 L |
7444 | }; |
7445 | ||
3d875af5 L |
7446 | static const char *const dwarf_regnames_iamcu[] = |
7447 | { | |
7448 | "eax", "ecx", "edx", "ebx", /* 0 - 3 */ | |
7449 | "esp", "ebp", "esi", "edi", /* 4 - 7 */ | |
7450 | "eip", "eflags", NULL, /* 8 - 10 */ | |
7451 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 11 - 18 */ | |
7452 | NULL, NULL, /* 19 - 20 */ | |
7453 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 21 - 28 */ | |
7454 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 29 - 36 */ | |
7455 | NULL, NULL, NULL, /* 37 - 39 */ | |
7456 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */ | |
7457 | "tr", "ldtr", /* 48 - 49 */ | |
7458 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */ | |
7459 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */ | |
7460 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */ | |
7461 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */ | |
7462 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */ | |
7463 | NULL, NULL, NULL, /* 90 - 92 */ | |
7464 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL /* 93 - 100 */ | |
7465 | }; | |
7466 | ||
b129eb0e RH |
7467 | void |
7468 | init_dwarf_regnames_i386 (void) | |
7469 | { | |
7470 | dwarf_regnames = dwarf_regnames_i386; | |
7471 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386); | |
7472 | } | |
7473 | ||
3d875af5 L |
7474 | void |
7475 | init_dwarf_regnames_iamcu (void) | |
7476 | { | |
7477 | dwarf_regnames = dwarf_regnames_iamcu; | |
7478 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_iamcu); | |
7479 | } | |
7480 | ||
2dc4cec1 L |
7481 | static const char *const dwarf_regnames_x86_64[] = |
7482 | { | |
7483 | "rax", "rdx", "rcx", "rbx", | |
7484 | "rsi", "rdi", "rbp", "rsp", | |
7485 | "r8", "r9", "r10", "r11", | |
7486 | "r12", "r13", "r14", "r15", | |
7487 | "rip", | |
7488 | "xmm0", "xmm1", "xmm2", "xmm3", | |
7489 | "xmm4", "xmm5", "xmm6", "xmm7", | |
7490 | "xmm8", "xmm9", "xmm10", "xmm11", | |
7491 | "xmm12", "xmm13", "xmm14", "xmm15", | |
7492 | "st0", "st1", "st2", "st3", | |
7493 | "st4", "st5", "st6", "st7", | |
7494 | "mm0", "mm1", "mm2", "mm3", | |
7495 | "mm4", "mm5", "mm6", "mm7", | |
7496 | "rflags", | |
7497 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, | |
7498 | "fs.base", "gs.base", NULL, NULL, | |
7499 | "tr", "ldtr", | |
43234a1e L |
7500 | "mxcsr", "fcw", "fsw", |
7501 | "xmm16", "xmm17", "xmm18", "xmm19", | |
7502 | "xmm20", "xmm21", "xmm22", "xmm23", | |
7503 | "xmm24", "xmm25", "xmm26", "xmm27", | |
7504 | "xmm28", "xmm29", "xmm30", "xmm31", | |
7505 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 83 - 90 */ | |
7506 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 91 - 98 */ | |
7507 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 99 - 106 */ | |
7508 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 107 - 114 */ | |
7509 | NULL, NULL, NULL, /* 115 - 117 */ | |
7510 | "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" | |
2dc4cec1 L |
7511 | }; |
7512 | ||
b129eb0e RH |
7513 | void |
7514 | init_dwarf_regnames_x86_64 (void) | |
7515 | { | |
7516 | dwarf_regnames = dwarf_regnames_x86_64; | |
7517 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64); | |
7518 | } | |
7519 | ||
4ee22035 RH |
7520 | static const char *const dwarf_regnames_aarch64[] = |
7521 | { | |
b4eb7656 AM |
7522 | "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", |
7523 | "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", | |
4ee22035 RH |
7524 | "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23", |
7525 | "x24", "x25", "x26", "x27", "x28", "x29", "x30", "sp", | |
7526 | NULL, "elr", NULL, NULL, NULL, NULL, NULL, NULL, | |
fab7c86e TC |
7527 | NULL, NULL, NULL, NULL, NULL, NULL, "vg", "ffr", |
7528 | "p0", "p1", "p2", "p3", "p4", "p5", "p6", "p7", | |
7529 | "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", | |
b4eb7656 AM |
7530 | "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", |
7531 | "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", | |
4ee22035 RH |
7532 | "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", |
7533 | "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", | |
fab7c86e TC |
7534 | "z0", "z1", "z2", "z3", "z4", "z5", "z6", "z7", |
7535 | "z8", "z9", "z10", "z11", "z12", "z13", "z14", "z15", | |
7536 | "z16", "z17", "z18", "z19", "z20", "z21", "z22", "z23", | |
7537 | "z24", "z25", "z26", "z27", "z28", "z29", "z30", "z31", | |
4ee22035 RH |
7538 | }; |
7539 | ||
7540 | void | |
7541 | init_dwarf_regnames_aarch64 (void) | |
7542 | { | |
7543 | dwarf_regnames = dwarf_regnames_aarch64; | |
7544 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_aarch64); | |
7545 | } | |
7546 | ||
d6bb17b0 AA |
7547 | static const char *const dwarf_regnames_s390[] = |
7548 | { | |
7549 | /* Avoid saying "r5 (r5)", so omit the names of r0-r15. */ | |
7550 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7551 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7552 | "f0", "f2", "f4", "f6", "f1", "f3", "f5", "f7", | |
7553 | "f8", "f10", "f12", "f14", "f9", "f11", "f13", "f15", | |
7554 | "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7", | |
7555 | "cr8", "cr9", "cr10", "cr11", "cr12", "cr13", "cr14", "cr15", | |
7556 | "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", | |
7557 | "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15", | |
7558 | "pswm", "pswa", | |
7559 | NULL, NULL, | |
7560 | "v16", "v18", "v20", "v22", "v17", "v19", "v21", "v23", | |
7561 | "v24", "v26", "v28", "v30", "v25", "v27", "v29", "v31", | |
7562 | }; | |
7563 | ||
7564 | void | |
7565 | init_dwarf_regnames_s390 (void) | |
7566 | { | |
7567 | dwarf_regnames = dwarf_regnames_s390; | |
7568 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_s390); | |
7569 | } | |
7570 | ||
5bb0830d AB |
7571 | static const char *const dwarf_regnames_riscv[] = |
7572 | { | |
7573 | "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", /* 0 - 7 */ | |
7574 | "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", /* 8 - 15 */ | |
7575 | "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", /* 16 - 23 */ | |
7576 | "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", /* 24 - 31 */ | |
7577 | "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", /* 32 - 39 */ | |
7578 | "fs0", "fs1", /* 40 - 41 */ | |
7579 | "fa0", "fa1", "fa2", "fa3", "fa4", "fa5", "fa6", "fa7", /* 42 - 49 */ | |
7580 | "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", "fs8", "fs9", /* 50 - 57 */ | |
7581 | "fs10", "fs11", /* 58 - 59 */ | |
7582 | "ft8", "ft9", "ft10", "ft11" /* 60 - 63 */ | |
7583 | }; | |
7584 | ||
7585 | void | |
7586 | init_dwarf_regnames_riscv (void) | |
7587 | { | |
7588 | dwarf_regnames = dwarf_regnames_riscv; | |
7589 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_riscv); | |
7590 | } | |
7591 | ||
2dc4cec1 L |
7592 | void |
7593 | init_dwarf_regnames (unsigned int e_machine) | |
7594 | { | |
7595 | switch (e_machine) | |
7596 | { | |
7597 | case EM_386: | |
b129eb0e | 7598 | init_dwarf_regnames_i386 (); |
2dc4cec1 L |
7599 | break; |
7600 | ||
3d875af5 L |
7601 | case EM_IAMCU: |
7602 | init_dwarf_regnames_iamcu (); | |
7603 | break; | |
7604 | ||
2dc4cec1 | 7605 | case EM_X86_64: |
7f502d6c | 7606 | case EM_L1OM: |
7a9068fe | 7607 | case EM_K1OM: |
b129eb0e | 7608 | init_dwarf_regnames_x86_64 (); |
2dc4cec1 L |
7609 | break; |
7610 | ||
4ee22035 RH |
7611 | case EM_AARCH64: |
7612 | init_dwarf_regnames_aarch64 (); | |
7613 | break; | |
7614 | ||
d6bb17b0 AA |
7615 | case EM_S390: |
7616 | init_dwarf_regnames_s390 (); | |
7617 | break; | |
7618 | ||
5bb0830d AB |
7619 | case EM_RISCV: |
7620 | init_dwarf_regnames_riscv (); | |
7621 | break; | |
7622 | ||
2dc4cec1 L |
7623 | default: |
7624 | break; | |
7625 | } | |
7626 | } | |
7627 | ||
7628 | static const char * | |
7629 | regname (unsigned int regno, int row) | |
7630 | { | |
7631 | static char reg[64]; | |
7f2c8a1d | 7632 | |
2dc4cec1 L |
7633 | if (dwarf_regnames |
7634 | && regno < dwarf_regnames_count | |
7635 | && dwarf_regnames [regno] != NULL) | |
7636 | { | |
7637 | if (row) | |
7638 | return dwarf_regnames [regno]; | |
7639 | snprintf (reg, sizeof (reg), "r%d (%s)", regno, | |
7640 | dwarf_regnames [regno]); | |
7641 | } | |
7642 | else | |
7643 | snprintf (reg, sizeof (reg), "r%d", regno); | |
7644 | return reg; | |
7645 | } | |
7646 | ||
19e6b90e | 7647 | static void |
a1165289 | 7648 | frame_display_row (Frame_Chunk *fc, int *need_col_headers, unsigned int *max_regs) |
19e6b90e | 7649 | { |
a1165289 | 7650 | unsigned int r; |
19e6b90e L |
7651 | char tmp[100]; |
7652 | ||
d8024a91 | 7653 | if (*max_regs != fc->ncols) |
19e6b90e L |
7654 | *max_regs = fc->ncols; |
7655 | ||
7656 | if (*need_col_headers) | |
7657 | { | |
91d6fa6a | 7658 | static const char *sloc = " LOC"; |
2dc4cec1 | 7659 | |
19e6b90e L |
7660 | *need_col_headers = 0; |
7661 | ||
91d6fa6a | 7662 | printf ("%-*s CFA ", eh_addr_size * 2, sloc); |
19e6b90e L |
7663 | |
7664 | for (r = 0; r < *max_regs; r++) | |
7665 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
7666 | { | |
7667 | if (r == fc->ra) | |
50751e18 | 7668 | printf ("ra "); |
19e6b90e | 7669 | else |
2dc4cec1 | 7670 | printf ("%-5s ", regname (r, 1)); |
19e6b90e L |
7671 | } |
7672 | ||
7673 | printf ("\n"); | |
7674 | } | |
7675 | ||
bf5117e3 | 7676 | print_dwarf_vma (fc->pc_begin, eh_addr_size); |
19e6b90e L |
7677 | if (fc->cfa_exp) |
7678 | strcpy (tmp, "exp"); | |
7679 | else | |
c8071705 | 7680 | sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), (int) fc->cfa_offset); |
19e6b90e L |
7681 | printf ("%-8s ", tmp); |
7682 | ||
7683 | for (r = 0; r < fc->ncols; r++) | |
7684 | { | |
7685 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
7686 | { | |
7687 | switch (fc->col_type[r]) | |
7688 | { | |
7689 | case DW_CFA_undefined: | |
7690 | strcpy (tmp, "u"); | |
7691 | break; | |
7692 | case DW_CFA_same_value: | |
7693 | strcpy (tmp, "s"); | |
7694 | break; | |
7695 | case DW_CFA_offset: | |
7696 | sprintf (tmp, "c%+d", fc->col_offset[r]); | |
7697 | break; | |
12eae2d3 JJ |
7698 | case DW_CFA_val_offset: |
7699 | sprintf (tmp, "v%+d", fc->col_offset[r]); | |
7700 | break; | |
19e6b90e | 7701 | case DW_CFA_register: |
2dc4cec1 | 7702 | sprintf (tmp, "%s", regname (fc->col_offset[r], 0)); |
19e6b90e L |
7703 | break; |
7704 | case DW_CFA_expression: | |
7705 | strcpy (tmp, "exp"); | |
7706 | break; | |
12eae2d3 JJ |
7707 | case DW_CFA_val_expression: |
7708 | strcpy (tmp, "vexp"); | |
7709 | break; | |
19e6b90e L |
7710 | default: |
7711 | strcpy (tmp, "n/a"); | |
7712 | break; | |
7713 | } | |
2dc4cec1 | 7714 | printf ("%-5s ", tmp); |
19e6b90e L |
7715 | } |
7716 | } | |
7717 | printf ("\n"); | |
7718 | } | |
7719 | ||
49727e46 | 7720 | #define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end) |
19e6b90e | 7721 | |
49727e46 AM |
7722 | static unsigned char * |
7723 | read_cie (unsigned char *start, unsigned char *end, | |
7724 | Frame_Chunk **p_cie, int *p_version, | |
bf59c5d5 | 7725 | bfd_size_type *p_aug_len, unsigned char **p_aug) |
49727e46 AM |
7726 | { |
7727 | int version; | |
7728 | Frame_Chunk *fc; | |
7729 | unsigned int length_return; | |
7730 | unsigned char *augmentation_data = NULL; | |
bf59c5d5 | 7731 | bfd_size_type augmentation_data_len = 0; |
49727e46 | 7732 | |
041830e0 | 7733 | * p_cie = NULL; |
f41e4712 NC |
7734 | /* PR 17512: file: 001-228113-0.004. */ |
7735 | if (start >= end) | |
7736 | return end; | |
7737 | ||
49727e46 AM |
7738 | fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
7739 | memset (fc, 0, sizeof (Frame_Chunk)); | |
7740 | ||
7741 | fc->col_type = (short int *) xmalloc (sizeof (short int)); | |
7742 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
7743 | ||
7744 | version = *start++; | |
7745 | ||
7746 | fc->augmentation = (char *) start; | |
f41e4712 NC |
7747 | /* PR 17512: file: 001-228113-0.004. |
7748 | Skip past augmentation name, but avoid running off the end of the data. */ | |
7749 | while (start < end) | |
7750 | if (* start ++ == '\0') | |
7751 | break; | |
7752 | if (start == end) | |
7753 | { | |
7754 | warn (_("No terminator for augmentation name\n")); | |
442a6ce8 | 7755 | goto fail; |
f41e4712 | 7756 | } |
49727e46 AM |
7757 | |
7758 | if (strcmp (fc->augmentation, "eh") == 0) | |
7759 | start += eh_addr_size; | |
7760 | ||
7761 | if (version >= 4) | |
7762 | { | |
7763 | GET (fc->ptr_size, 1); | |
77ef8654 NC |
7764 | if (fc->ptr_size < 1 || fc->ptr_size > 8) |
7765 | { | |
7766 | warn (_("Invalid pointer size (%d) in CIE data\n"), fc->ptr_size); | |
442a6ce8 | 7767 | goto fail; |
77ef8654 NC |
7768 | } |
7769 | ||
49727e46 | 7770 | GET (fc->segment_size, 1); |
77ef8654 NC |
7771 | /* PR 17512: file: e99d2804. */ |
7772 | if (fc->segment_size > 8 || fc->segment_size + fc->ptr_size > 8) | |
7773 | { | |
7774 | warn (_("Invalid segment size (%d) in CIE data\n"), fc->segment_size); | |
442a6ce8 | 7775 | goto fail; |
77ef8654 NC |
7776 | } |
7777 | ||
49727e46 AM |
7778 | eh_addr_size = fc->ptr_size; |
7779 | } | |
7780 | else | |
7781 | { | |
7782 | fc->ptr_size = eh_addr_size; | |
7783 | fc->segment_size = 0; | |
7784 | } | |
442a6ce8 | 7785 | |
7f2c8a1d NC |
7786 | READ_ULEB (fc->code_factor); |
7787 | READ_SLEB (fc->data_factor); | |
442a6ce8 | 7788 | |
49727e46 AM |
7789 | if (version == 1) |
7790 | { | |
7791 | GET (fc->ra, 1); | |
7792 | } | |
7793 | else | |
7794 | { | |
7f2c8a1d | 7795 | READ_ULEB (fc->ra); |
49727e46 AM |
7796 | } |
7797 | ||
7798 | if (fc->augmentation[0] == 'z') | |
7799 | { | |
7f2c8a1d | 7800 | READ_ULEB (augmentation_data_len); |
49727e46 | 7801 | augmentation_data = start; |
a1165289 | 7802 | /* PR 17512: file: 11042-2589-0.004. */ |
bf59c5d5 | 7803 | if (augmentation_data_len > (bfd_size_type) (end - start)) |
a1165289 | 7804 | { |
bf59c5d5 NC |
7805 | warn (_("Augmentation data too long: 0x%s, expected at most %#lx\n"), |
7806 | dwarf_vmatoa ("x", augmentation_data_len), | |
7807 | (unsigned long) (end - start)); | |
442a6ce8 | 7808 | goto fail; |
a1165289 | 7809 | } |
9c0f3d3f | 7810 | start += augmentation_data_len; |
49727e46 AM |
7811 | } |
7812 | ||
7813 | if (augmentation_data_len) | |
7814 | { | |
058037d3 NC |
7815 | unsigned char *p; |
7816 | unsigned char *q; | |
7817 | unsigned char *qend; | |
b4eb7656 | 7818 | |
49727e46 AM |
7819 | p = (unsigned char *) fc->augmentation + 1; |
7820 | q = augmentation_data; | |
058037d3 NC |
7821 | qend = q + augmentation_data_len; |
7822 | ||
9c0f3d3f | 7823 | while (p < end && q < qend) |
49727e46 AM |
7824 | { |
7825 | if (*p == 'L') | |
7826 | q++; | |
7827 | else if (*p == 'P') | |
7828 | q += 1 + size_of_encoded_value (*q); | |
7829 | else if (*p == 'R') | |
7830 | fc->fde_encoding = *q++; | |
7831 | else if (*p == 'S') | |
7832 | ; | |
09038062 ST |
7833 | else if (*p == 'B') |
7834 | ; | |
49727e46 AM |
7835 | else |
7836 | break; | |
7837 | p++; | |
7838 | } | |
c361b9ac NC |
7839 | /* Note - it is OK if this loop terminates with q < qend. |
7840 | Padding may have been inserted to align the end of the CIE. */ | |
49727e46 AM |
7841 | } |
7842 | ||
7843 | *p_cie = fc; | |
7844 | if (p_version) | |
7845 | *p_version = version; | |
7846 | if (p_aug_len) | |
7847 | { | |
7848 | *p_aug_len = augmentation_data_len; | |
7849 | *p_aug = augmentation_data; | |
7850 | } | |
7851 | return start; | |
442a6ce8 NC |
7852 | |
7853 | fail: | |
7854 | free (fc->col_offset); | |
7855 | free (fc->col_type); | |
7856 | free (fc); | |
7857 | return end; | |
49727e46 AM |
7858 | } |
7859 | ||
d85bf2ba NC |
7860 | /* Prints out the contents on the DATA array formatted as unsigned bytes. |
7861 | If do_wide is not enabled, then formats the output to fit into 80 columns. | |
7862 | PRINTED contains the number of characters already written to the current | |
7863 | output line. */ | |
bf59c5d5 NC |
7864 | |
7865 | static void | |
d85bf2ba NC |
7866 | display_data (bfd_size_type printed, |
7867 | const unsigned char * data, | |
7868 | const bfd_size_type len) | |
bf59c5d5 | 7869 | { |
d85bf2ba NC |
7870 | if (do_wide || len < ((80 - printed) / 3)) |
7871 | for (printed = 0; printed < len; ++printed) | |
7872 | printf (" %02x", data[printed]); | |
bf59c5d5 NC |
7873 | else |
7874 | { | |
d85bf2ba | 7875 | for (printed = 0; printed < len; ++printed) |
bf59c5d5 | 7876 | { |
d85bf2ba | 7877 | if (printed % (80 / 3) == 0) |
bf59c5d5 | 7878 | putchar ('\n'); |
d85bf2ba | 7879 | printf (" %02x", data[printed]); |
bf59c5d5 NC |
7880 | } |
7881 | } | |
d85bf2ba NC |
7882 | } |
7883 | ||
7884 | /* Prints out the contents on the augmentation data array. | |
7885 | If do_wide is not enabled, then formats the output to fit into 80 columns. */ | |
7886 | ||
7887 | static void | |
7888 | display_augmentation_data (const unsigned char * data, const bfd_size_type len) | |
7889 | { | |
7890 | bfd_size_type i; | |
7891 | ||
7892 | i = printf (_(" Augmentation data: ")); | |
7893 | display_data (i, data, len); | |
bf59c5d5 NC |
7894 | } |
7895 | ||
19e6b90e L |
7896 | static int |
7897 | display_debug_frames (struct dwarf_section *section, | |
7898 | void *file ATTRIBUTE_UNUSED) | |
7899 | { | |
7900 | unsigned char *start = section->start; | |
7901 | unsigned char *end = start + section->size; | |
7902 | unsigned char *section_start = start; | |
3391569f NC |
7903 | Frame_Chunk *chunks = NULL, *forward_refs = NULL; |
7904 | Frame_Chunk *remembered_state = NULL; | |
19e6b90e | 7905 | Frame_Chunk *rs; |
3391569f | 7906 | bfd_boolean is_eh = strcmp (section->name, ".eh_frame") == 0; |
19e6b90e | 7907 | unsigned int length_return; |
a1165289 | 7908 | unsigned int max_regs = 0; |
665ce1f6 | 7909 | const char *bad_reg = _("bad register: "); |
77ef8654 | 7910 | unsigned int saved_eh_addr_size = eh_addr_size; |
19e6b90e | 7911 | |
dda8d76d | 7912 | introduce (section, FALSE); |
19e6b90e L |
7913 | |
7914 | while (start < end) | |
7915 | { | |
7916 | unsigned char *saved_start; | |
7917 | unsigned char *block_end; | |
bf5117e3 NC |
7918 | dwarf_vma length; |
7919 | dwarf_vma cie_id; | |
19e6b90e L |
7920 | Frame_Chunk *fc; |
7921 | Frame_Chunk *cie; | |
7922 | int need_col_headers = 1; | |
7923 | unsigned char *augmentation_data = NULL; | |
bf59c5d5 | 7924 | bfd_size_type augmentation_data_len = 0; |
bf5117e3 NC |
7925 | unsigned int encoded_ptr_size = saved_eh_addr_size; |
7926 | unsigned int offset_size; | |
7927 | unsigned int initial_length_size; | |
5b6312fd | 7928 | bfd_boolean all_nops; |
19e6b90e L |
7929 | |
7930 | saved_start = start; | |
19e6b90e | 7931 | |
0c588247 | 7932 | SAFE_BYTE_GET_AND_INC (length, start, 4, end); |
041830e0 | 7933 | |
19e6b90e L |
7934 | if (length == 0) |
7935 | { | |
7936 | printf ("\n%08lx ZERO terminator\n\n", | |
7937 | (unsigned long)(saved_start - section_start)); | |
6937bb54 NC |
7938 | /* Skip any zero terminators that directly follow. |
7939 | A corrupt section size could have loaded a whole | |
7940 | slew of zero filled memory bytes. eg | |
7941 | PR 17512: file: 070-19381-0.004. */ | |
7942 | while (start < end && * start == 0) | |
7943 | ++ start; | |
b758e50f | 7944 | continue; |
19e6b90e L |
7945 | } |
7946 | ||
7947 | if (length == 0xffffffff) | |
7948 | { | |
0c588247 | 7949 | SAFE_BYTE_GET_AND_INC (length, start, 8, end); |
19e6b90e L |
7950 | offset_size = 8; |
7951 | initial_length_size = 12; | |
7952 | } | |
7953 | else | |
7954 | { | |
7955 | offset_size = 4; | |
7956 | initial_length_size = 4; | |
7957 | } | |
7958 | ||
7959 | block_end = saved_start + length + initial_length_size; | |
041830e0 | 7960 | if (block_end > end || block_end < start) |
53b8873b | 7961 | { |
bf5117e3 NC |
7962 | warn ("Invalid length 0x%s in FDE at %#08lx\n", |
7963 | dwarf_vmatoa_1 (NULL, length, offset_size), | |
7964 | (unsigned long) (saved_start - section_start)); | |
53b8873b NC |
7965 | block_end = end; |
7966 | } | |
0c588247 NC |
7967 | |
7968 | SAFE_BYTE_GET_AND_INC (cie_id, start, offset_size, end); | |
19e6b90e | 7969 | |
846a11e4 NC |
7970 | if (is_eh ? (cie_id == 0) : ((offset_size == 4 && cie_id == DW_CIE_ID) |
7971 | || (offset_size == 8 && cie_id == DW64_CIE_ID))) | |
19e6b90e L |
7972 | { |
7973 | int version; | |
a1165289 | 7974 | unsigned int mreg; |
19e6b90e | 7975 | |
49727e46 AM |
7976 | start = read_cie (start, end, &cie, &version, |
7977 | &augmentation_data_len, &augmentation_data); | |
041830e0 NC |
7978 | /* PR 17512: file: 027-135133-0.005. */ |
7979 | if (cie == NULL) | |
7980 | break; | |
a1165289 | 7981 | |
49727e46 | 7982 | fc = cie; |
19e6b90e L |
7983 | fc->next = chunks; |
7984 | chunks = fc; | |
7985 | fc->chunk_start = saved_start; | |
a1165289 | 7986 | mreg = max_regs > 0 ? max_regs - 1 : 0; |
49727e46 AM |
7987 | if (mreg < fc->ra) |
7988 | mreg = fc->ra; | |
06614111 NC |
7989 | if (frame_need_space (fc, mreg) < 0) |
7990 | break; | |
49727e46 AM |
7991 | if (fc->fde_encoding) |
7992 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
19e6b90e | 7993 | |
bf5117e3 NC |
7994 | printf ("\n%08lx ", (unsigned long) (saved_start - section_start)); |
7995 | print_dwarf_vma (length, fc->ptr_size); | |
9c41109d | 7996 | print_dwarf_vma (cie_id, offset_size); |
bf5117e3 | 7997 | |
19e6b90e | 7998 | if (do_debug_frames_interp) |
bf5117e3 NC |
7999 | { |
8000 | printf ("CIE \"%s\" cf=%d df=%d ra=%d\n", fc->augmentation, | |
8001 | fc->code_factor, fc->data_factor, fc->ra); | |
8002 | } | |
19e6b90e L |
8003 | else |
8004 | { | |
bf5117e3 | 8005 | printf ("CIE\n"); |
19e6b90e L |
8006 | printf (" Version: %d\n", version); |
8007 | printf (" Augmentation: \"%s\"\n", fc->augmentation); | |
604282a7 JJ |
8008 | if (version >= 4) |
8009 | { | |
8010 | printf (" Pointer Size: %u\n", fc->ptr_size); | |
8011 | printf (" Segment Size: %u\n", fc->segment_size); | |
8012 | } | |
19e6b90e L |
8013 | printf (" Code alignment factor: %u\n", fc->code_factor); |
8014 | printf (" Data alignment factor: %d\n", fc->data_factor); | |
8015 | printf (" Return address column: %d\n", fc->ra); | |
8016 | ||
8017 | if (augmentation_data_len) | |
bf59c5d5 | 8018 | display_augmentation_data (augmentation_data, augmentation_data_len); |
a1165289 | 8019 | |
19e6b90e L |
8020 | putchar ('\n'); |
8021 | } | |
19e6b90e L |
8022 | } |
8023 | else | |
8024 | { | |
8025 | unsigned char *look_for; | |
8026 | static Frame_Chunk fde_fc; | |
604282a7 | 8027 | unsigned long segment_selector; |
19e6b90e | 8028 | |
49727e46 AM |
8029 | if (is_eh) |
8030 | { | |
8031 | dwarf_vma sign = (dwarf_vma) 1 << (offset_size * 8 - 1); | |
8032 | look_for = start - 4 - ((cie_id ^ sign) - sign); | |
8033 | } | |
8034 | else | |
8035 | look_for = section_start + cie_id; | |
19e6b90e | 8036 | |
49727e46 AM |
8037 | if (look_for <= saved_start) |
8038 | { | |
8039 | for (cie = chunks; cie ; cie = cie->next) | |
8040 | if (cie->chunk_start == look_for) | |
8041 | break; | |
8042 | } | |
8043 | else | |
8044 | { | |
8045 | for (cie = forward_refs; cie ; cie = cie->next) | |
8046 | if (cie->chunk_start == look_for) | |
8047 | break; | |
8048 | if (!cie) | |
8049 | { | |
8050 | unsigned int off_size; | |
8051 | unsigned char *cie_scan; | |
19e6b90e | 8052 | |
49727e46 AM |
8053 | cie_scan = look_for; |
8054 | off_size = 4; | |
8055 | SAFE_BYTE_GET_AND_INC (length, cie_scan, 4, end); | |
8056 | if (length == 0xffffffff) | |
8057 | { | |
8058 | SAFE_BYTE_GET_AND_INC (length, cie_scan, 8, end); | |
8059 | off_size = 8; | |
8060 | } | |
8061 | if (length != 0) | |
8062 | { | |
8063 | dwarf_vma c_id; | |
8064 | ||
8065 | SAFE_BYTE_GET_AND_INC (c_id, cie_scan, off_size, end); | |
8066 | if (is_eh | |
8067 | ? c_id == 0 | |
8068 | : ((off_size == 4 && c_id == DW_CIE_ID) | |
8069 | || (off_size == 8 && c_id == DW64_CIE_ID))) | |
8070 | { | |
8071 | int version; | |
a1165289 | 8072 | unsigned int mreg; |
49727e46 AM |
8073 | |
8074 | read_cie (cie_scan, end, &cie, &version, | |
8075 | &augmentation_data_len, &augmentation_data); | |
a1165289 NC |
8076 | /* PR 17512: file: 3450-2098-0.004. */ |
8077 | if (cie == NULL) | |
8078 | { | |
8079 | warn (_("Failed to read CIE information\n")); | |
8080 | break; | |
8081 | } | |
49727e46 AM |
8082 | cie->next = forward_refs; |
8083 | forward_refs = cie; | |
8084 | cie->chunk_start = look_for; | |
a1165289 | 8085 | mreg = max_regs > 0 ? max_regs - 1 : 0; |
49727e46 AM |
8086 | if (mreg < cie->ra) |
8087 | mreg = cie->ra; | |
06614111 NC |
8088 | if (frame_need_space (cie, mreg) < 0) |
8089 | { | |
8090 | warn (_("Invalid max register\n")); | |
8091 | break; | |
8092 | } | |
49727e46 AM |
8093 | if (cie->fde_encoding) |
8094 | encoded_ptr_size | |
8095 | = size_of_encoded_value (cie->fde_encoding); | |
8096 | } | |
8097 | } | |
8098 | } | |
8099 | } | |
8100 | ||
8101 | fc = &fde_fc; | |
8102 | memset (fc, 0, sizeof (Frame_Chunk)); | |
19e6b90e L |
8103 | |
8104 | if (!cie) | |
8105 | { | |
bf5117e3 NC |
8106 | warn ("Invalid CIE pointer 0x%s in FDE at %#08lx\n", |
8107 | dwarf_vmatoa_1 (NULL, cie_id, offset_size), | |
8108 | (unsigned long) (saved_start - section_start)); | |
19e6b90e | 8109 | fc->ncols = 0; |
3f5e193b NC |
8110 | fc->col_type = (short int *) xmalloc (sizeof (short int)); |
8111 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
06614111 NC |
8112 | if (frame_need_space (fc, max_regs > 0 ? max_regs - 1 : 0) < 0) |
8113 | { | |
8114 | warn (_("Invalid max register\n")); | |
8115 | break; | |
8116 | } | |
19e6b90e L |
8117 | cie = fc; |
8118 | fc->augmentation = ""; | |
8119 | fc->fde_encoding = 0; | |
604282a7 JJ |
8120 | fc->ptr_size = eh_addr_size; |
8121 | fc->segment_size = 0; | |
19e6b90e L |
8122 | } |
8123 | else | |
8124 | { | |
8125 | fc->ncols = cie->ncols; | |
3f5e193b NC |
8126 | fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int)); |
8127 | fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int)); | |
19e6b90e L |
8128 | memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int)); |
8129 | memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int)); | |
8130 | fc->augmentation = cie->augmentation; | |
604282a7 JJ |
8131 | fc->ptr_size = cie->ptr_size; |
8132 | eh_addr_size = cie->ptr_size; | |
8133 | fc->segment_size = cie->segment_size; | |
19e6b90e L |
8134 | fc->code_factor = cie->code_factor; |
8135 | fc->data_factor = cie->data_factor; | |
8136 | fc->cfa_reg = cie->cfa_reg; | |
8137 | fc->cfa_offset = cie->cfa_offset; | |
8138 | fc->ra = cie->ra; | |
06614111 NC |
8139 | if (frame_need_space (fc, max_regs > 0 ? max_regs - 1: 0) < 0) |
8140 | { | |
8141 | warn (_("Invalid max register\n")); | |
8142 | break; | |
8143 | } | |
19e6b90e L |
8144 | fc->fde_encoding = cie->fde_encoding; |
8145 | } | |
8146 | ||
8147 | if (fc->fde_encoding) | |
8148 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
8149 | ||
604282a7 JJ |
8150 | segment_selector = 0; |
8151 | if (fc->segment_size) | |
c8071705 NC |
8152 | { |
8153 | if (fc->segment_size > sizeof (segment_selector)) | |
8154 | { | |
8155 | /* PR 17512: file: 9e196b3e. */ | |
8156 | warn (_("Probably corrupt segment size: %d - using 4 instead\n"), fc->segment_size); | |
8157 | fc->segment_size = 4; | |
8158 | } | |
8159 | SAFE_BYTE_GET_AND_INC (segment_selector, start, fc->segment_size, end); | |
8160 | } | |
041830e0 NC |
8161 | |
8162 | fc->pc_begin = get_encoded_value (&start, fc->fde_encoding, section, end); | |
19e6b90e | 8163 | |
0c588247 NC |
8164 | /* FIXME: It appears that sometimes the final pc_range value is |
8165 | encoded in less than encoded_ptr_size bytes. See the x86_64 | |
8166 | run of the "objcopy on compressed debug sections" test for an | |
8167 | example of this. */ | |
8168 | SAFE_BYTE_GET_AND_INC (fc->pc_range, start, encoded_ptr_size, end); | |
bf5117e3 | 8169 | |
19e6b90e L |
8170 | if (cie->augmentation[0] == 'z') |
8171 | { | |
7f2c8a1d | 8172 | READ_ULEB (augmentation_data_len); |
19e6b90e | 8173 | augmentation_data = start; |
bf59c5d5 | 8174 | /* PR 17512 file: 722-8446-0.004 and PR 22386. */ |
d292364e | 8175 | if (augmentation_data_len > (bfd_size_type) (end - start)) |
0a9d414a | 8176 | { |
d292364e AM |
8177 | warn (_("Augmentation data too long: 0x%s, " |
8178 | "expected at most %#lx\n"), | |
8179 | dwarf_vmatoa ("x", augmentation_data_len), | |
8180 | (unsigned long) (end - start)); | |
0a9d414a NC |
8181 | start = end; |
8182 | augmentation_data = NULL; | |
8183 | augmentation_data_len = 0; | |
8184 | } | |
d292364e | 8185 | start += augmentation_data_len; |
19e6b90e L |
8186 | } |
8187 | ||
bf5117e3 NC |
8188 | printf ("\n%08lx %s %s FDE cie=%08lx pc=", |
8189 | (unsigned long)(saved_start - section_start), | |
8190 | dwarf_vmatoa_1 (NULL, length, fc->ptr_size), | |
9c41109d | 8191 | dwarf_vmatoa_1 (NULL, cie_id, offset_size), |
604282a7 | 8192 | (unsigned long)(cie->chunk_start - section_start)); |
bf5117e3 | 8193 | |
604282a7 JJ |
8194 | if (fc->segment_size) |
8195 | printf ("%04lx:", segment_selector); | |
bf5117e3 NC |
8196 | |
8197 | printf ("%s..%s\n", | |
8198 | dwarf_vmatoa_1 (NULL, fc->pc_begin, fc->ptr_size), | |
8199 | dwarf_vmatoa_1 (NULL, fc->pc_begin + fc->pc_range, fc->ptr_size)); | |
8200 | ||
19e6b90e L |
8201 | if (! do_debug_frames_interp && augmentation_data_len) |
8202 | { | |
bf59c5d5 | 8203 | display_augmentation_data (augmentation_data, augmentation_data_len); |
19e6b90e L |
8204 | putchar ('\n'); |
8205 | } | |
8206 | } | |
8207 | ||
8208 | /* At this point, fc is the current chunk, cie (if any) is set, and | |
8209 | we're about to interpret instructions for the chunk. */ | |
8210 | /* ??? At present we need to do this always, since this sizes the | |
8211 | fc->col_type and fc->col_offset arrays, which we write into always. | |
8212 | We should probably split the interpreted and non-interpreted bits | |
8213 | into two different routines, since there's so much that doesn't | |
8214 | really overlap between them. */ | |
8215 | if (1 || do_debug_frames_interp) | |
8216 | { | |
8217 | /* Start by making a pass over the chunk, allocating storage | |
8218 | and taking note of what registers are used. */ | |
8219 | unsigned char *tmp = start; | |
8220 | ||
8221 | while (start < block_end) | |
8222 | { | |
041830e0 NC |
8223 | unsigned int reg, op, opa; |
8224 | unsigned long temp; | |
5929c344 | 8225 | unsigned char * new_start; |
19e6b90e L |
8226 | |
8227 | op = *start++; | |
8228 | opa = op & 0x3f; | |
8229 | if (op & 0xc0) | |
8230 | op &= 0xc0; | |
8231 | ||
8232 | /* Warning: if you add any more cases to this switch, be | |
8233 | sure to add them to the corresponding switch below. */ | |
8234 | switch (op) | |
8235 | { | |
8236 | case DW_CFA_advance_loc: | |
8237 | break; | |
8238 | case DW_CFA_offset: | |
7f2c8a1d | 8239 | SKIP_ULEB (); |
665ce1f6 L |
8240 | if (frame_need_space (fc, opa) >= 0) |
8241 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
8242 | break; |
8243 | case DW_CFA_restore: | |
665ce1f6 L |
8244 | if (frame_need_space (fc, opa) >= 0) |
8245 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
8246 | break; |
8247 | case DW_CFA_set_loc: | |
8248 | start += encoded_ptr_size; | |
8249 | break; | |
8250 | case DW_CFA_advance_loc1: | |
8251 | start += 1; | |
8252 | break; | |
8253 | case DW_CFA_advance_loc2: | |
8254 | start += 2; | |
8255 | break; | |
8256 | case DW_CFA_advance_loc4: | |
8257 | start += 4; | |
8258 | break; | |
8259 | case DW_CFA_offset_extended: | |
12eae2d3 | 8260 | case DW_CFA_val_offset: |
7f2c8a1d NC |
8261 | READ_ULEB (reg); |
8262 | SKIP_ULEB (); | |
665ce1f6 L |
8263 | if (frame_need_space (fc, reg) >= 0) |
8264 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8265 | break; |
8266 | case DW_CFA_restore_extended: | |
7f2c8a1d | 8267 | READ_ULEB (reg); |
665ce1f6 L |
8268 | if (frame_need_space (fc, reg) >= 0) |
8269 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8270 | break; |
8271 | case DW_CFA_undefined: | |
7f2c8a1d | 8272 | READ_ULEB (reg); |
665ce1f6 L |
8273 | if (frame_need_space (fc, reg) >= 0) |
8274 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8275 | break; |
8276 | case DW_CFA_same_value: | |
7f2c8a1d | 8277 | READ_ULEB (reg); |
665ce1f6 L |
8278 | if (frame_need_space (fc, reg) >= 0) |
8279 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8280 | break; |
8281 | case DW_CFA_register: | |
7f2c8a1d NC |
8282 | READ_ULEB (reg); |
8283 | SKIP_ULEB (); | |
665ce1f6 L |
8284 | if (frame_need_space (fc, reg) >= 0) |
8285 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8286 | break; |
8287 | case DW_CFA_def_cfa: | |
7f2c8a1d NC |
8288 | SKIP_ULEB (); |
8289 | SKIP_ULEB (); | |
19e6b90e L |
8290 | break; |
8291 | case DW_CFA_def_cfa_register: | |
7f2c8a1d | 8292 | SKIP_ULEB (); |
19e6b90e L |
8293 | break; |
8294 | case DW_CFA_def_cfa_offset: | |
7f2c8a1d | 8295 | SKIP_ULEB (); |
19e6b90e L |
8296 | break; |
8297 | case DW_CFA_def_cfa_expression: | |
7f2c8a1d | 8298 | READ_ULEB (temp); |
5929c344 NC |
8299 | new_start = start + temp; |
8300 | if (new_start < start) | |
041830e0 NC |
8301 | { |
8302 | warn (_("Corrupt CFA_def expression value: %lu\n"), temp); | |
8303 | start = block_end; | |
8304 | } | |
8305 | else | |
5929c344 | 8306 | start = new_start; |
19e6b90e L |
8307 | break; |
8308 | case DW_CFA_expression: | |
12eae2d3 | 8309 | case DW_CFA_val_expression: |
7f2c8a1d NC |
8310 | READ_ULEB (reg); |
8311 | READ_ULEB (temp); | |
5929c344 NC |
8312 | new_start = start + temp; |
8313 | if (new_start < start) | |
041830e0 | 8314 | { |
b4eb7656 | 8315 | /* PR 17512: file:306-192417-0.005. */ |
041830e0 NC |
8316 | warn (_("Corrupt CFA expression value: %lu\n"), temp); |
8317 | start = block_end; | |
8318 | } | |
8319 | else | |
5929c344 | 8320 | start = new_start; |
665ce1f6 L |
8321 | if (frame_need_space (fc, reg) >= 0) |
8322 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8323 | break; |
8324 | case DW_CFA_offset_extended_sf: | |
12eae2d3 | 8325 | case DW_CFA_val_offset_sf: |
7f2c8a1d NC |
8326 | READ_ULEB (reg); |
8327 | SKIP_SLEB (); | |
665ce1f6 L |
8328 | if (frame_need_space (fc, reg) >= 0) |
8329 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8330 | break; |
8331 | case DW_CFA_def_cfa_sf: | |
7f2c8a1d NC |
8332 | SKIP_ULEB (); |
8333 | SKIP_SLEB (); | |
19e6b90e L |
8334 | break; |
8335 | case DW_CFA_def_cfa_offset_sf: | |
7f2c8a1d | 8336 | SKIP_SLEB (); |
19e6b90e L |
8337 | break; |
8338 | case DW_CFA_MIPS_advance_loc8: | |
8339 | start += 8; | |
8340 | break; | |
8341 | case DW_CFA_GNU_args_size: | |
7f2c8a1d | 8342 | SKIP_ULEB (); |
19e6b90e L |
8343 | break; |
8344 | case DW_CFA_GNU_negative_offset_extended: | |
7f2c8a1d NC |
8345 | READ_ULEB (reg); |
8346 | SKIP_ULEB (); | |
665ce1f6 L |
8347 | if (frame_need_space (fc, reg) >= 0) |
8348 | fc->col_type[reg] = DW_CFA_undefined; | |
8349 | break; | |
19e6b90e L |
8350 | default: |
8351 | break; | |
8352 | } | |
8353 | } | |
8354 | start = tmp; | |
8355 | } | |
8356 | ||
5b6312fd NC |
8357 | all_nops = TRUE; |
8358 | ||
19e6b90e L |
8359 | /* Now we know what registers are used, make a second pass over |
8360 | the chunk, this time actually printing out the info. */ | |
8361 | ||
8362 | while (start < block_end) | |
8363 | { | |
362beea4 | 8364 | unsigned char * tmp; |
19e6b90e | 8365 | unsigned op, opa; |
7f2c8a1d NC |
8366 | unsigned long ul, roffs; |
8367 | /* Note: It is tempting to use an unsigned long for 'reg' but there | |
8368 | are various functions, notably frame_space_needed() that assume that | |
8369 | reg is an unsigned int. */ | |
8370 | unsigned int reg; | |
8371 | dwarf_signed_vma l; | |
bf5117e3 | 8372 | dwarf_vma ofs; |
19e6b90e | 8373 | dwarf_vma vma; |
665ce1f6 | 8374 | const char *reg_prefix = ""; |
19e6b90e L |
8375 | |
8376 | op = *start++; | |
8377 | opa = op & 0x3f; | |
8378 | if (op & 0xc0) | |
8379 | op &= 0xc0; | |
8380 | ||
5b6312fd NC |
8381 | /* Make a note if something other than DW_CFA_nop happens. */ |
8382 | if (op != DW_CFA_nop) | |
8383 | all_nops = FALSE; | |
8384 | ||
19e6b90e L |
8385 | /* Warning: if you add any more cases to this switch, be |
8386 | sure to add them to the corresponding switch above. */ | |
8387 | switch (op) | |
8388 | { | |
8389 | case DW_CFA_advance_loc: | |
8390 | if (do_debug_frames_interp) | |
8391 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8392 | else | |
bf5117e3 | 8393 | printf (" DW_CFA_advance_loc: %d to %s\n", |
19e6b90e | 8394 | opa * fc->code_factor, |
b4eb7656 | 8395 | dwarf_vmatoa_1 (NULL, |
bf5117e3 NC |
8396 | fc->pc_begin + opa * fc->code_factor, |
8397 | fc->ptr_size)); | |
19e6b90e L |
8398 | fc->pc_begin += opa * fc->code_factor; |
8399 | break; | |
8400 | ||
8401 | case DW_CFA_offset: | |
7f2c8a1d | 8402 | READ_ULEB (roffs); |
665ce1f6 L |
8403 | if (opa >= (unsigned int) fc->ncols) |
8404 | reg_prefix = bad_reg; | |
8405 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8406 | printf (" DW_CFA_offset: %s%s at cfa%+ld\n", | |
8407 | reg_prefix, regname (opa, 0), | |
8408 | roffs * fc->data_factor); | |
8409 | if (*reg_prefix == '\0') | |
8410 | { | |
8411 | fc->col_type[opa] = DW_CFA_offset; | |
8412 | fc->col_offset[opa] = roffs * fc->data_factor; | |
8413 | } | |
19e6b90e L |
8414 | break; |
8415 | ||
8416 | case DW_CFA_restore: | |
50751e18 | 8417 | if (opa >= (unsigned int) fc->ncols) |
665ce1f6 L |
8418 | reg_prefix = bad_reg; |
8419 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8420 | printf (" DW_CFA_restore: %s%s\n", | |
8421 | reg_prefix, regname (opa, 0)); | |
50751e18 AK |
8422 | if (*reg_prefix != '\0') |
8423 | break; | |
8424 | ||
8425 | if (opa >= (unsigned int) cie->ncols | |
8426 | || (do_debug_frames_interp | |
8427 | && cie->col_type[opa] == DW_CFA_unreferenced)) | |
8428 | { | |
8429 | fc->col_type[opa] = DW_CFA_undefined; | |
8430 | fc->col_offset[opa] = 0; | |
8431 | } | |
8432 | else | |
665ce1f6 L |
8433 | { |
8434 | fc->col_type[opa] = cie->col_type[opa]; | |
8435 | fc->col_offset[opa] = cie->col_offset[opa]; | |
8436 | } | |
19e6b90e L |
8437 | break; |
8438 | ||
8439 | case DW_CFA_set_loc: | |
6937bb54 | 8440 | vma = get_encoded_value (&start, fc->fde_encoding, section, block_end); |
19e6b90e L |
8441 | if (do_debug_frames_interp) |
8442 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8443 | else | |
bf5117e3 NC |
8444 | printf (" DW_CFA_set_loc: %s\n", |
8445 | dwarf_vmatoa_1 (NULL, vma, fc->ptr_size)); | |
19e6b90e L |
8446 | fc->pc_begin = vma; |
8447 | break; | |
8448 | ||
8449 | case DW_CFA_advance_loc1: | |
0c588247 | 8450 | SAFE_BYTE_GET_AND_INC (ofs, start, 1, end); |
19e6b90e L |
8451 | if (do_debug_frames_interp) |
8452 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8453 | else | |
bf5117e3 NC |
8454 | printf (" DW_CFA_advance_loc1: %ld to %s\n", |
8455 | (unsigned long) (ofs * fc->code_factor), | |
8456 | dwarf_vmatoa_1 (NULL, | |
8457 | fc->pc_begin + ofs * fc->code_factor, | |
8458 | fc->ptr_size)); | |
19e6b90e L |
8459 | fc->pc_begin += ofs * fc->code_factor; |
8460 | break; | |
8461 | ||
8462 | case DW_CFA_advance_loc2: | |
6937bb54 | 8463 | SAFE_BYTE_GET_AND_INC (ofs, start, 2, block_end); |
19e6b90e L |
8464 | if (do_debug_frames_interp) |
8465 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8466 | else | |
bf5117e3 NC |
8467 | printf (" DW_CFA_advance_loc2: %ld to %s\n", |
8468 | (unsigned long) (ofs * fc->code_factor), | |
8469 | dwarf_vmatoa_1 (NULL, | |
8470 | fc->pc_begin + ofs * fc->code_factor, | |
8471 | fc->ptr_size)); | |
19e6b90e L |
8472 | fc->pc_begin += ofs * fc->code_factor; |
8473 | break; | |
8474 | ||
8475 | case DW_CFA_advance_loc4: | |
6937bb54 | 8476 | SAFE_BYTE_GET_AND_INC (ofs, start, 4, block_end); |
19e6b90e L |
8477 | if (do_debug_frames_interp) |
8478 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8479 | else | |
bf5117e3 NC |
8480 | printf (" DW_CFA_advance_loc4: %ld to %s\n", |
8481 | (unsigned long) (ofs * fc->code_factor), | |
8482 | dwarf_vmatoa_1 (NULL, | |
8483 | fc->pc_begin + ofs * fc->code_factor, | |
8484 | fc->ptr_size)); | |
19e6b90e L |
8485 | fc->pc_begin += ofs * fc->code_factor; |
8486 | break; | |
8487 | ||
8488 | case DW_CFA_offset_extended: | |
7f2c8a1d NC |
8489 | READ_ULEB (reg); |
8490 | READ_ULEB (roffs); | |
665ce1f6 L |
8491 | if (reg >= (unsigned int) fc->ncols) |
8492 | reg_prefix = bad_reg; | |
8493 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8494 | printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n", | |
8495 | reg_prefix, regname (reg, 0), | |
8496 | roffs * fc->data_factor); | |
8497 | if (*reg_prefix == '\0') | |
8498 | { | |
8499 | fc->col_type[reg] = DW_CFA_offset; | |
8500 | fc->col_offset[reg] = roffs * fc->data_factor; | |
8501 | } | |
19e6b90e L |
8502 | break; |
8503 | ||
12eae2d3 | 8504 | case DW_CFA_val_offset: |
7f2c8a1d NC |
8505 | READ_ULEB (reg); |
8506 | READ_ULEB (roffs); | |
665ce1f6 L |
8507 | if (reg >= (unsigned int) fc->ncols) |
8508 | reg_prefix = bad_reg; | |
8509 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
084303b8 | 8510 | printf (" DW_CFA_val_offset: %s%s is cfa%+ld\n", |
665ce1f6 L |
8511 | reg_prefix, regname (reg, 0), |
8512 | roffs * fc->data_factor); | |
8513 | if (*reg_prefix == '\0') | |
8514 | { | |
8515 | fc->col_type[reg] = DW_CFA_val_offset; | |
8516 | fc->col_offset[reg] = roffs * fc->data_factor; | |
8517 | } | |
12eae2d3 JJ |
8518 | break; |
8519 | ||
19e6b90e | 8520 | case DW_CFA_restore_extended: |
7f2c8a1d | 8521 | READ_ULEB (reg); |
50751e18 | 8522 | if (reg >= (unsigned int) fc->ncols) |
665ce1f6 L |
8523 | reg_prefix = bad_reg; |
8524 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8525 | printf (" DW_CFA_restore_extended: %s%s\n", | |
8526 | reg_prefix, regname (reg, 0)); | |
50751e18 AK |
8527 | if (*reg_prefix != '\0') |
8528 | break; | |
8529 | ||
8530 | if (reg >= (unsigned int) cie->ncols) | |
8531 | { | |
8532 | fc->col_type[reg] = DW_CFA_undefined; | |
8533 | fc->col_offset[reg] = 0; | |
8534 | } | |
8535 | else | |
665ce1f6 L |
8536 | { |
8537 | fc->col_type[reg] = cie->col_type[reg]; | |
8538 | fc->col_offset[reg] = cie->col_offset[reg]; | |
8539 | } | |
19e6b90e L |
8540 | break; |
8541 | ||
8542 | case DW_CFA_undefined: | |
7f2c8a1d | 8543 | READ_ULEB (reg); |
665ce1f6 L |
8544 | if (reg >= (unsigned int) fc->ncols) |
8545 | reg_prefix = bad_reg; | |
8546 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8547 | printf (" DW_CFA_undefined: %s%s\n", | |
8548 | reg_prefix, regname (reg, 0)); | |
8549 | if (*reg_prefix == '\0') | |
8550 | { | |
8551 | fc->col_type[reg] = DW_CFA_undefined; | |
8552 | fc->col_offset[reg] = 0; | |
8553 | } | |
19e6b90e L |
8554 | break; |
8555 | ||
8556 | case DW_CFA_same_value: | |
7f2c8a1d | 8557 | READ_ULEB (reg); |
665ce1f6 L |
8558 | if (reg >= (unsigned int) fc->ncols) |
8559 | reg_prefix = bad_reg; | |
8560 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8561 | printf (" DW_CFA_same_value: %s%s\n", | |
8562 | reg_prefix, regname (reg, 0)); | |
8563 | if (*reg_prefix == '\0') | |
8564 | { | |
8565 | fc->col_type[reg] = DW_CFA_same_value; | |
8566 | fc->col_offset[reg] = 0; | |
8567 | } | |
19e6b90e L |
8568 | break; |
8569 | ||
8570 | case DW_CFA_register: | |
7f2c8a1d NC |
8571 | READ_ULEB (reg); |
8572 | READ_ULEB (roffs); | |
665ce1f6 L |
8573 | if (reg >= (unsigned int) fc->ncols) |
8574 | reg_prefix = bad_reg; | |
8575 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
2dc4cec1 | 8576 | { |
665ce1f6 L |
8577 | printf (" DW_CFA_register: %s%s in ", |
8578 | reg_prefix, regname (reg, 0)); | |
2dc4cec1 L |
8579 | puts (regname (roffs, 0)); |
8580 | } | |
665ce1f6 L |
8581 | if (*reg_prefix == '\0') |
8582 | { | |
8583 | fc->col_type[reg] = DW_CFA_register; | |
8584 | fc->col_offset[reg] = roffs; | |
8585 | } | |
19e6b90e L |
8586 | break; |
8587 | ||
8588 | case DW_CFA_remember_state: | |
8589 | if (! do_debug_frames_interp) | |
8590 | printf (" DW_CFA_remember_state\n"); | |
3f5e193b | 8591 | rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
b4eb7656 | 8592 | rs->cfa_offset = fc->cfa_offset; |
d71ad7fc RC |
8593 | rs->cfa_reg = fc->cfa_reg; |
8594 | rs->ra = fc->ra; | |
8595 | rs->cfa_exp = fc->cfa_exp; | |
19e6b90e | 8596 | rs->ncols = fc->ncols; |
3f5e193b | 8597 | rs->col_type = (short int *) xcmalloc (rs->ncols, |
b4eb7656 | 8598 | sizeof (* rs->col_type)); |
d71ad7fc RC |
8599 | rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (* rs->col_offset)); |
8600 | memcpy (rs->col_type, fc->col_type, rs->ncols * sizeof (* fc->col_type)); | |
8601 | memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (* fc->col_offset)); | |
19e6b90e L |
8602 | rs->next = remembered_state; |
8603 | remembered_state = rs; | |
8604 | break; | |
8605 | ||
8606 | case DW_CFA_restore_state: | |
8607 | if (! do_debug_frames_interp) | |
8608 | printf (" DW_CFA_restore_state\n"); | |
8609 | rs = remembered_state; | |
8610 | if (rs) | |
8611 | { | |
8612 | remembered_state = rs->next; | |
d71ad7fc RC |
8613 | fc->cfa_offset = rs->cfa_offset; |
8614 | fc->cfa_reg = rs->cfa_reg; | |
b4eb7656 AM |
8615 | fc->ra = rs->ra; |
8616 | fc->cfa_exp = rs->cfa_exp; | |
06614111 NC |
8617 | if (frame_need_space (fc, rs->ncols - 1) < 0) |
8618 | { | |
1306a742 | 8619 | warn (_("Invalid column number in saved frame state\n")); |
06614111 NC |
8620 | fc->ncols = 0; |
8621 | break; | |
8622 | } | |
d71ad7fc | 8623 | memcpy (fc->col_type, rs->col_type, rs->ncols * sizeof (* rs->col_type)); |
19e6b90e | 8624 | memcpy (fc->col_offset, rs->col_offset, |
d71ad7fc | 8625 | rs->ncols * sizeof (* rs->col_offset)); |
19e6b90e L |
8626 | free (rs->col_type); |
8627 | free (rs->col_offset); | |
8628 | free (rs); | |
8629 | } | |
8630 | else if (do_debug_frames_interp) | |
8631 | printf ("Mismatched DW_CFA_restore_state\n"); | |
8632 | break; | |
8633 | ||
8634 | case DW_CFA_def_cfa: | |
32ef3000 | 8635 | READ_ULEB (fc->cfa_reg); |
7f2c8a1d | 8636 | READ_ULEB (fc->cfa_offset); |
19e6b90e L |
8637 | fc->cfa_exp = 0; |
8638 | if (! do_debug_frames_interp) | |
2dc4cec1 | 8639 | printf (" DW_CFA_def_cfa: %s ofs %d\n", |
c8071705 | 8640 | regname (fc->cfa_reg, 0), (int) fc->cfa_offset); |
19e6b90e L |
8641 | break; |
8642 | ||
8643 | case DW_CFA_def_cfa_register: | |
32ef3000 | 8644 | READ_ULEB (fc->cfa_reg); |
19e6b90e L |
8645 | fc->cfa_exp = 0; |
8646 | if (! do_debug_frames_interp) | |
2dc4cec1 L |
8647 | printf (" DW_CFA_def_cfa_register: %s\n", |
8648 | regname (fc->cfa_reg, 0)); | |
19e6b90e L |
8649 | break; |
8650 | ||
8651 | case DW_CFA_def_cfa_offset: | |
7f2c8a1d | 8652 | READ_ULEB (fc->cfa_offset); |
19e6b90e | 8653 | if (! do_debug_frames_interp) |
c8071705 | 8654 | printf (" DW_CFA_def_cfa_offset: %d\n", (int) fc->cfa_offset); |
19e6b90e L |
8655 | break; |
8656 | ||
8657 | case DW_CFA_nop: | |
8658 | if (! do_debug_frames_interp) | |
8659 | printf (" DW_CFA_nop\n"); | |
8660 | break; | |
8661 | ||
8662 | case DW_CFA_def_cfa_expression: | |
7f2c8a1d | 8663 | READ_ULEB (ul); |
7460c0ab | 8664 | if (start >= block_end || ul > (unsigned long) (block_end - start)) |
6937bb54 | 8665 | { |
a1165289 | 8666 | printf (_(" DW_CFA_def_cfa_expression: <corrupt len %lu>\n"), ul); |
6937bb54 NC |
8667 | break; |
8668 | } | |
19e6b90e L |
8669 | if (! do_debug_frames_interp) |
8670 | { | |
8671 | printf (" DW_CFA_def_cfa_expression ("); | |
b7807392 JJ |
8672 | decode_location_expression (start, eh_addr_size, 0, -1, |
8673 | ul, 0, section); | |
19e6b90e L |
8674 | printf (")\n"); |
8675 | } | |
8676 | fc->cfa_exp = 1; | |
8677 | start += ul; | |
8678 | break; | |
8679 | ||
8680 | case DW_CFA_expression: | |
7f2c8a1d NC |
8681 | READ_ULEB (reg); |
8682 | READ_ULEB (ul); | |
665ce1f6 L |
8683 | if (reg >= (unsigned int) fc->ncols) |
8684 | reg_prefix = bad_reg; | |
6937bb54 | 8685 | /* PR 17512: file: 069-133014-0.006. */ |
06614111 | 8686 | /* PR 17512: file: 98c02eb4. */ |
362beea4 NC |
8687 | tmp = start + ul; |
8688 | if (start >= block_end || tmp > block_end || tmp < start) | |
6937bb54 | 8689 | { |
a1165289 | 8690 | printf (_(" DW_CFA_expression: <corrupt len %lu>\n"), ul); |
6937bb54 NC |
8691 | break; |
8692 | } | |
665ce1f6 | 8693 | if (! do_debug_frames_interp || *reg_prefix != '\0') |
19e6b90e | 8694 | { |
665ce1f6 L |
8695 | printf (" DW_CFA_expression: %s%s (", |
8696 | reg_prefix, regname (reg, 0)); | |
b7807392 | 8697 | decode_location_expression (start, eh_addr_size, 0, -1, |
f1c4cc75 | 8698 | ul, 0, section); |
19e6b90e L |
8699 | printf (")\n"); |
8700 | } | |
665ce1f6 L |
8701 | if (*reg_prefix == '\0') |
8702 | fc->col_type[reg] = DW_CFA_expression; | |
362beea4 | 8703 | start = tmp; |
19e6b90e L |
8704 | break; |
8705 | ||
12eae2d3 | 8706 | case DW_CFA_val_expression: |
7f2c8a1d NC |
8707 | READ_ULEB (reg); |
8708 | READ_ULEB (ul); | |
665ce1f6 L |
8709 | if (reg >= (unsigned int) fc->ncols) |
8710 | reg_prefix = bad_reg; | |
362beea4 NC |
8711 | tmp = start + ul; |
8712 | if (start >= block_end || tmp > block_end || tmp < start) | |
6937bb54 | 8713 | { |
a1165289 | 8714 | printf (" DW_CFA_val_expression: <corrupt len %lu>\n", ul); |
6937bb54 NC |
8715 | break; |
8716 | } | |
665ce1f6 | 8717 | if (! do_debug_frames_interp || *reg_prefix != '\0') |
12eae2d3 | 8718 | { |
665ce1f6 L |
8719 | printf (" DW_CFA_val_expression: %s%s (", |
8720 | reg_prefix, regname (reg, 0)); | |
b7807392 JJ |
8721 | decode_location_expression (start, eh_addr_size, 0, -1, |
8722 | ul, 0, section); | |
12eae2d3 JJ |
8723 | printf (")\n"); |
8724 | } | |
665ce1f6 L |
8725 | if (*reg_prefix == '\0') |
8726 | fc->col_type[reg] = DW_CFA_val_expression; | |
362beea4 | 8727 | start = tmp; |
12eae2d3 JJ |
8728 | break; |
8729 | ||
19e6b90e | 8730 | case DW_CFA_offset_extended_sf: |
7f2c8a1d NC |
8731 | READ_ULEB (reg); |
8732 | READ_SLEB (l); | |
665ce1f6 L |
8733 | if (frame_need_space (fc, reg) < 0) |
8734 | reg_prefix = bad_reg; | |
8735 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8736 | printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n", | |
8737 | reg_prefix, regname (reg, 0), | |
c8071705 | 8738 | (long)(l * fc->data_factor)); |
665ce1f6 L |
8739 | if (*reg_prefix == '\0') |
8740 | { | |
8741 | fc->col_type[reg] = DW_CFA_offset; | |
8742 | fc->col_offset[reg] = l * fc->data_factor; | |
8743 | } | |
19e6b90e L |
8744 | break; |
8745 | ||
12eae2d3 | 8746 | case DW_CFA_val_offset_sf: |
7f2c8a1d NC |
8747 | READ_ULEB (reg); |
8748 | READ_SLEB (l); | |
665ce1f6 L |
8749 | if (frame_need_space (fc, reg) < 0) |
8750 | reg_prefix = bad_reg; | |
8751 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
084303b8 | 8752 | printf (" DW_CFA_val_offset_sf: %s%s is cfa%+ld\n", |
665ce1f6 | 8753 | reg_prefix, regname (reg, 0), |
c8071705 | 8754 | (long)(l * fc->data_factor)); |
665ce1f6 L |
8755 | if (*reg_prefix == '\0') |
8756 | { | |
8757 | fc->col_type[reg] = DW_CFA_val_offset; | |
8758 | fc->col_offset[reg] = l * fc->data_factor; | |
8759 | } | |
12eae2d3 JJ |
8760 | break; |
8761 | ||
19e6b90e | 8762 | case DW_CFA_def_cfa_sf: |
32ef3000 | 8763 | READ_ULEB (fc->cfa_reg); |
7f2c8a1d | 8764 | READ_ULEB (fc->cfa_offset); |
19e6b90e L |
8765 | fc->cfa_offset = fc->cfa_offset * fc->data_factor; |
8766 | fc->cfa_exp = 0; | |
8767 | if (! do_debug_frames_interp) | |
2dc4cec1 | 8768 | printf (" DW_CFA_def_cfa_sf: %s ofs %d\n", |
c8071705 | 8769 | regname (fc->cfa_reg, 0), (int) fc->cfa_offset); |
19e6b90e L |
8770 | break; |
8771 | ||
8772 | case DW_CFA_def_cfa_offset_sf: | |
7f2c8a1d | 8773 | READ_ULEB (fc->cfa_offset); |
c8071705 | 8774 | fc->cfa_offset *= fc->data_factor; |
19e6b90e | 8775 | if (! do_debug_frames_interp) |
c8071705 | 8776 | printf (" DW_CFA_def_cfa_offset_sf: %d\n", (int) fc->cfa_offset); |
19e6b90e L |
8777 | break; |
8778 | ||
8779 | case DW_CFA_MIPS_advance_loc8: | |
6937bb54 | 8780 | SAFE_BYTE_GET_AND_INC (ofs, start, 8, block_end); |
19e6b90e L |
8781 | if (do_debug_frames_interp) |
8782 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8783 | else | |
bf5117e3 NC |
8784 | printf (" DW_CFA_MIPS_advance_loc8: %ld to %s\n", |
8785 | (unsigned long) (ofs * fc->code_factor), | |
8786 | dwarf_vmatoa_1 (NULL, | |
8787 | fc->pc_begin + ofs * fc->code_factor, | |
8788 | fc->ptr_size)); | |
19e6b90e L |
8789 | fc->pc_begin += ofs * fc->code_factor; |
8790 | break; | |
8791 | ||
8792 | case DW_CFA_GNU_window_save: | |
8793 | if (! do_debug_frames_interp) | |
8794 | printf (" DW_CFA_GNU_window_save\n"); | |
8795 | break; | |
8796 | ||
8797 | case DW_CFA_GNU_args_size: | |
7f2c8a1d | 8798 | READ_ULEB (ul); |
19e6b90e L |
8799 | if (! do_debug_frames_interp) |
8800 | printf (" DW_CFA_GNU_args_size: %ld\n", ul); | |
8801 | break; | |
8802 | ||
8803 | case DW_CFA_GNU_negative_offset_extended: | |
7f2c8a1d NC |
8804 | READ_ULEB (reg); |
8805 | READ_SLEB (l); | |
8806 | l = - l; | |
665ce1f6 L |
8807 | if (frame_need_space (fc, reg) < 0) |
8808 | reg_prefix = bad_reg; | |
8809 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8810 | printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n", | |
8811 | reg_prefix, regname (reg, 0), | |
c8071705 | 8812 | (long)(l * fc->data_factor)); |
665ce1f6 L |
8813 | if (*reg_prefix == '\0') |
8814 | { | |
8815 | fc->col_type[reg] = DW_CFA_offset; | |
8816 | fc->col_offset[reg] = l * fc->data_factor; | |
8817 | } | |
19e6b90e L |
8818 | break; |
8819 | ||
8820 | default: | |
53b8873b NC |
8821 | if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user) |
8822 | printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op); | |
8823 | else | |
f41e4712 | 8824 | warn (_("Unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op); |
19e6b90e L |
8825 | start = block_end; |
8826 | } | |
8827 | } | |
8828 | ||
5b6312fd NC |
8829 | /* Interpret the CFA - as long as it is not completely full of NOPs. */ |
8830 | if (do_debug_frames_interp && ! all_nops) | |
19e6b90e L |
8831 | frame_display_row (fc, &need_col_headers, &max_regs); |
8832 | ||
8833 | start = block_end; | |
604282a7 | 8834 | eh_addr_size = saved_eh_addr_size; |
19e6b90e L |
8835 | } |
8836 | ||
8837 | printf ("\n"); | |
8838 | ||
3391569f NC |
8839 | while (remembered_state != NULL) |
8840 | { | |
8841 | rs = remembered_state; | |
8842 | remembered_state = rs->next; | |
8843 | free (rs->col_type); | |
8844 | free (rs->col_offset); | |
8845 | rs->next = NULL; /* Paranoia. */ | |
8846 | free (rs); | |
8847 | } | |
8848 | ||
8849 | while (chunks != NULL) | |
8850 | { | |
8851 | rs = chunks; | |
8852 | chunks = rs->next; | |
8853 | free (rs->col_type); | |
8854 | free (rs->col_offset); | |
8855 | rs->next = NULL; /* Paranoia. */ | |
8856 | free (rs); | |
8857 | } | |
8858 | ||
8859 | while (forward_refs != NULL) | |
8860 | { | |
8861 | rs = forward_refs; | |
8862 | forward_refs = rs->next; | |
8863 | free (rs->col_type); | |
8864 | free (rs->col_offset); | |
8865 | rs->next = NULL; /* Paranoia. */ | |
8866 | free (rs); | |
8867 | } | |
8868 | ||
19e6b90e L |
8869 | return 1; |
8870 | } | |
8871 | ||
8872 | #undef GET | |
19e6b90e | 8873 | |
61364358 JK |
8874 | static int |
8875 | display_debug_names (struct dwarf_section *section, void *file) | |
8876 | { | |
8877 | unsigned char *hdrptr = section->start; | |
8878 | dwarf_vma unit_length; | |
8879 | unsigned char *unit_start; | |
8880 | const unsigned char *const section_end = section->start + section->size; | |
8881 | unsigned char *unit_end; | |
8882 | ||
dda8d76d | 8883 | introduce (section, FALSE); |
61364358 | 8884 | |
dda8d76d | 8885 | load_debug_section_with_follow (str, file); |
61364358 JK |
8886 | |
8887 | for (; hdrptr < section_end; hdrptr = unit_end) | |
8888 | { | |
8889 | unsigned int offset_size; | |
8890 | uint16_t dwarf_version, padding; | |
8891 | uint32_t comp_unit_count, local_type_unit_count, foreign_type_unit_count; | |
8892 | uint32_t bucket_count, name_count, abbrev_table_size; | |
8893 | uint32_t augmentation_string_size; | |
8894 | unsigned int i; | |
e98fdf1a | 8895 | unsigned long sec_off; |
48467cb9 TV |
8896 | bfd_boolean augmentation_printable; |
8897 | const char *augmentation_string; | |
61364358 JK |
8898 | |
8899 | unit_start = hdrptr; | |
8900 | ||
8901 | /* Get and check the length of the block. */ | |
8902 | SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 4, section_end); | |
8903 | ||
8904 | if (unit_length == 0xffffffff) | |
8905 | { | |
8906 | /* This section is 64-bit DWARF. */ | |
8907 | SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 8, section_end); | |
8908 | offset_size = 8; | |
8909 | } | |
8910 | else | |
8911 | offset_size = 4; | |
8912 | unit_end = hdrptr + unit_length; | |
8913 | ||
e98fdf1a AM |
8914 | sec_off = hdrptr - section->start; |
8915 | if (sec_off + unit_length < sec_off | |
8916 | || sec_off + unit_length > section->size) | |
61364358 | 8917 | { |
e98fdf1a AM |
8918 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), |
8919 | section->name, | |
8920 | (unsigned long) (unit_start - section->start), | |
8921 | dwarf_vmatoa ("x", unit_length)); | |
61364358 JK |
8922 | return 0; |
8923 | } | |
8924 | ||
8925 | /* Get and check the version number. */ | |
8926 | SAFE_BYTE_GET_AND_INC (dwarf_version, hdrptr, 2, unit_end); | |
8927 | printf (_("Version %ld\n"), (long) dwarf_version); | |
8928 | ||
8929 | /* Prior versions did not exist, and future versions may not be | |
8930 | backwards compatible. */ | |
8931 | if (dwarf_version != 5) | |
8932 | { | |
8933 | warn (_("Only DWARF version 5 .debug_names " | |
8934 | "is currently supported.\n")); | |
8935 | return 0; | |
8936 | } | |
8937 | ||
8938 | SAFE_BYTE_GET_AND_INC (padding, hdrptr, 2, unit_end); | |
8939 | if (padding != 0) | |
8940 | warn (_("Padding field of .debug_names must be 0 (found 0x%x)\n"), | |
8941 | padding); | |
8942 | ||
8943 | SAFE_BYTE_GET_AND_INC (comp_unit_count, hdrptr, 4, unit_end); | |
8944 | if (comp_unit_count == 0) | |
8945 | warn (_("Compilation unit count must be >= 1 in .debug_names\n")); | |
8946 | ||
8947 | SAFE_BYTE_GET_AND_INC (local_type_unit_count, hdrptr, 4, unit_end); | |
8948 | SAFE_BYTE_GET_AND_INC (foreign_type_unit_count, hdrptr, 4, unit_end); | |
8949 | SAFE_BYTE_GET_AND_INC (bucket_count, hdrptr, 4, unit_end); | |
8950 | SAFE_BYTE_GET_AND_INC (name_count, hdrptr, 4, unit_end); | |
8951 | SAFE_BYTE_GET_AND_INC (abbrev_table_size, hdrptr, 4, unit_end); | |
8952 | ||
8953 | SAFE_BYTE_GET_AND_INC (augmentation_string_size, hdrptr, 4, unit_end); | |
8954 | if (augmentation_string_size % 4 != 0) | |
8955 | { | |
8956 | warn (_("Augmentation string length %u must be rounded up " | |
8957 | "to a multiple of 4 in .debug_names.\n"), | |
8958 | augmentation_string_size); | |
8959 | augmentation_string_size += (-augmentation_string_size) & 3; | |
8960 | } | |
48467cb9 | 8961 | |
61364358 | 8962 | printf (_("Augmentation string:")); |
48467cb9 TV |
8963 | |
8964 | augmentation_printable = TRUE; | |
8965 | augmentation_string = (const char *) hdrptr; | |
8966 | ||
61364358 JK |
8967 | for (i = 0; i < augmentation_string_size; i++) |
8968 | { | |
8969 | unsigned char uc; | |
8970 | ||
8971 | SAFE_BYTE_GET_AND_INC (uc, hdrptr, 1, unit_end); | |
8972 | printf (" %02x", uc); | |
48467cb9 TV |
8973 | |
8974 | if (uc != 0 && !ISPRINT (uc)) | |
8975 | augmentation_printable = FALSE; | |
8976 | } | |
8977 | ||
8978 | if (augmentation_printable) | |
8979 | { | |
8980 | printf (" (\""); | |
8981 | for (i = 0; | |
8982 | i < augmentation_string_size && augmentation_string[i]; | |
8983 | ++i) | |
8984 | putchar (augmentation_string[i]); | |
8985 | printf ("\")"); | |
61364358 | 8986 | } |
61364358 JK |
8987 | putchar ('\n'); |
8988 | ||
8989 | printf (_("CU table:\n")); | |
8990 | for (i = 0; i < comp_unit_count; i++) | |
8991 | { | |
8992 | uint64_t cu_offset; | |
8993 | ||
8994 | SAFE_BYTE_GET_AND_INC (cu_offset, hdrptr, offset_size, unit_end); | |
8995 | printf (_("[%3u] 0x%lx\n"), i, (unsigned long) cu_offset); | |
8996 | } | |
8997 | putchar ('\n'); | |
8998 | ||
8999 | printf (_("TU table:\n")); | |
9000 | for (i = 0; i < local_type_unit_count; i++) | |
9001 | { | |
9002 | uint64_t tu_offset; | |
9003 | ||
9004 | SAFE_BYTE_GET_AND_INC (tu_offset, hdrptr, offset_size, unit_end); | |
9005 | printf (_("[%3u] 0x%lx\n"), i, (unsigned long) tu_offset); | |
9006 | } | |
9007 | putchar ('\n'); | |
9008 | ||
9009 | printf (_("Foreign TU table:\n")); | |
9010 | for (i = 0; i < foreign_type_unit_count; i++) | |
9011 | { | |
9012 | uint64_t signature; | |
9013 | ||
9014 | SAFE_BYTE_GET_AND_INC (signature, hdrptr, 8, unit_end); | |
9015 | printf (_("[%3u] "), i); | |
9016 | print_dwarf_vma (signature, 8); | |
9017 | putchar ('\n'); | |
9018 | } | |
9019 | putchar ('\n'); | |
9020 | ||
9021 | const uint32_t *const hash_table_buckets = (uint32_t *) hdrptr; | |
9022 | hdrptr += bucket_count * sizeof (uint32_t); | |
9023 | const uint32_t *const hash_table_hashes = (uint32_t *) hdrptr; | |
9024 | hdrptr += name_count * sizeof (uint32_t); | |
9025 | unsigned char *const name_table_string_offsets = hdrptr; | |
9026 | hdrptr += name_count * offset_size; | |
9027 | unsigned char *const name_table_entry_offsets = hdrptr; | |
9028 | hdrptr += name_count * offset_size; | |
9029 | unsigned char *const abbrev_table = hdrptr; | |
9030 | hdrptr += abbrev_table_size; | |
9031 | const unsigned char *const abbrev_table_end = hdrptr; | |
9032 | unsigned char *const entry_pool = hdrptr; | |
9033 | if (hdrptr > unit_end) | |
9034 | { | |
9035 | warn (_("Entry pool offset (0x%lx) exceeds unit size 0x%lx " | |
9036 | "for unit 0x%lx in the debug_names\n"), | |
9037 | (long) (hdrptr - section->start), | |
9038 | (long) (unit_end - section->start), | |
9039 | (long) (unit_start - section->start)); | |
9040 | return 0; | |
9041 | } | |
9042 | ||
9043 | size_t buckets_filled = 0; | |
9044 | size_t bucketi; | |
9045 | for (bucketi = 0; bucketi < bucket_count; bucketi++) | |
9046 | { | |
9047 | const uint32_t bucket = hash_table_buckets[bucketi]; | |
9048 | ||
9049 | if (bucket != 0) | |
9050 | ++buckets_filled; | |
9051 | } | |
d3a49aa8 AM |
9052 | printf (ngettext ("Used %zu of %lu bucket.\n", |
9053 | "Used %zu of %lu buckets.\n", | |
9054 | bucket_count), | |
9055 | buckets_filled, (unsigned long) bucket_count); | |
61364358 | 9056 | |
0a79bef4 | 9057 | uint32_t hash_prev = 0; |
61364358 JK |
9058 | size_t hash_clash_count = 0; |
9059 | size_t longest_clash = 0; | |
9060 | size_t this_length = 0; | |
9061 | size_t hashi; | |
9062 | for (hashi = 0; hashi < name_count; hashi++) | |
9063 | { | |
9064 | const uint32_t hash_this = hash_table_hashes[hashi]; | |
9065 | ||
9066 | if (hashi > 0) | |
9067 | { | |
9068 | if (hash_prev % bucket_count == hash_this % bucket_count) | |
9069 | { | |
9070 | ++hash_clash_count; | |
9071 | ++this_length; | |
9072 | longest_clash = MAX (longest_clash, this_length); | |
9073 | } | |
9074 | else | |
9075 | this_length = 0; | |
9076 | } | |
9077 | hash_prev = hash_this; | |
9078 | } | |
9079 | printf (_("Out of %lu items there are %zu bucket clashes" | |
9080 | " (longest of %zu entries).\n"), | |
9081 | (unsigned long) name_count, hash_clash_count, longest_clash); | |
9082 | assert (name_count == buckets_filled + hash_clash_count); | |
9083 | ||
9084 | struct abbrev_lookup_entry | |
9085 | { | |
9086 | dwarf_vma abbrev_tag; | |
9087 | unsigned char *abbrev_lookup_ptr; | |
9088 | }; | |
9089 | struct abbrev_lookup_entry *abbrev_lookup = NULL; | |
9090 | size_t abbrev_lookup_used = 0; | |
9091 | size_t abbrev_lookup_allocated = 0; | |
9092 | ||
9093 | unsigned char *abbrevptr = abbrev_table; | |
9094 | for (;;) | |
9095 | { | |
9096 | unsigned int bytes_read; | |
9097 | const dwarf_vma abbrev_tag = read_uleb128 (abbrevptr, &bytes_read, | |
9098 | abbrev_table_end); | |
9099 | abbrevptr += bytes_read; | |
9100 | if (abbrev_tag == 0) | |
9101 | break; | |
9102 | if (abbrev_lookup_used == abbrev_lookup_allocated) | |
9103 | { | |
9104 | abbrev_lookup_allocated = MAX (0x100, | |
9105 | abbrev_lookup_allocated * 2); | |
9106 | abbrev_lookup = xrealloc (abbrev_lookup, | |
9107 | (abbrev_lookup_allocated | |
9108 | * sizeof (*abbrev_lookup))); | |
9109 | } | |
9110 | assert (abbrev_lookup_used < abbrev_lookup_allocated); | |
9111 | struct abbrev_lookup_entry *entry; | |
9112 | for (entry = abbrev_lookup; | |
9113 | entry < abbrev_lookup + abbrev_lookup_used; | |
9114 | entry++) | |
9115 | if (entry->abbrev_tag == abbrev_tag) | |
9116 | { | |
9117 | warn (_("Duplicate abbreviation tag %lu " | |
9118 | "in unit 0x%lx in the debug_names\n"), | |
9119 | (long) abbrev_tag, (long) (unit_start - section->start)); | |
9120 | break; | |
9121 | } | |
9122 | entry = &abbrev_lookup[abbrev_lookup_used++]; | |
9123 | entry->abbrev_tag = abbrev_tag; | |
9124 | entry->abbrev_lookup_ptr = abbrevptr; | |
9125 | ||
9126 | /* Skip DWARF tag. */ | |
9127 | read_uleb128 (abbrevptr, &bytes_read, abbrev_table_end); | |
9128 | abbrevptr += bytes_read; | |
9129 | for (;;) | |
9130 | { | |
1d827a72 L |
9131 | const dwarf_vma xindex = read_uleb128 (abbrevptr, |
9132 | &bytes_read, | |
9133 | abbrev_table_end); | |
61364358 JK |
9134 | abbrevptr += bytes_read; |
9135 | const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read, | |
9136 | abbrev_table_end); | |
9137 | abbrevptr += bytes_read; | |
1d827a72 | 9138 | if (xindex == 0 && form == 0) |
61364358 JK |
9139 | break; |
9140 | } | |
9141 | } | |
9142 | ||
9143 | printf (_("\nSymbol table:\n")); | |
9144 | uint32_t namei; | |
9145 | for (namei = 0; namei < name_count; ++namei) | |
9146 | { | |
9147 | uint64_t string_offset, entry_offset; | |
9148 | ||
9149 | SAFE_BYTE_GET (string_offset, | |
9150 | name_table_string_offsets + namei * offset_size, | |
9151 | offset_size, unit_end); | |
9152 | SAFE_BYTE_GET (entry_offset, | |
9153 | name_table_entry_offsets + namei * offset_size, | |
9154 | offset_size, unit_end); | |
9155 | ||
9156 | printf ("[%3u] #%08x %s:", namei, hash_table_hashes[namei], | |
9157 | fetch_indirect_string (string_offset)); | |
9158 | ||
9159 | unsigned char *entryptr = entry_pool + entry_offset; | |
9160 | ||
9161 | // We need to scan first whether there is a single or multiple | |
9162 | // entries. TAGNO is -2 for the first entry, it is -1 for the | |
9163 | // initial tag read of the second entry, then it becomes 0 for the | |
9164 | // first entry for real printing etc. | |
9165 | int tagno = -2; | |
9166 | /* Initialize it due to a false compiler warning. */ | |
9167 | dwarf_vma second_abbrev_tag = -1; | |
9168 | for (;;) | |
9169 | { | |
9170 | unsigned int bytes_read; | |
9171 | const dwarf_vma abbrev_tag = read_uleb128 (entryptr, &bytes_read, | |
9172 | unit_end); | |
9173 | entryptr += bytes_read; | |
9174 | if (tagno == -1) | |
9175 | { | |
9176 | second_abbrev_tag = abbrev_tag; | |
9177 | tagno = 0; | |
9178 | entryptr = entry_pool + entry_offset; | |
9179 | continue; | |
9180 | } | |
9181 | if (abbrev_tag == 0) | |
9182 | break; | |
9183 | if (tagno >= 0) | |
9184 | printf ("%s<%lu>", | |
9185 | (tagno == 0 && second_abbrev_tag == 0 ? " " : "\n\t"), | |
9186 | (unsigned long) abbrev_tag); | |
9187 | ||
9188 | const struct abbrev_lookup_entry *entry; | |
9189 | for (entry = abbrev_lookup; | |
9190 | entry < abbrev_lookup + abbrev_lookup_used; | |
9191 | entry++) | |
9192 | if (entry->abbrev_tag == abbrev_tag) | |
9193 | break; | |
9194 | if (entry >= abbrev_lookup + abbrev_lookup_used) | |
9195 | { | |
9196 | warn (_("Undefined abbreviation tag %lu " | |
9197 | "in unit 0x%lx in the debug_names\n"), | |
9198 | (long) abbrev_tag, | |
9199 | (long) (unit_start - section->start)); | |
9200 | break; | |
9201 | } | |
9202 | abbrevptr = entry->abbrev_lookup_ptr; | |
9203 | const dwarf_vma dwarf_tag = read_uleb128 (abbrevptr, &bytes_read, | |
9204 | abbrev_table_end); | |
9205 | abbrevptr += bytes_read; | |
9206 | if (tagno >= 0) | |
9207 | printf (" %s", get_TAG_name (dwarf_tag)); | |
9208 | for (;;) | |
9209 | { | |
1d827a72 L |
9210 | const dwarf_vma xindex = read_uleb128 (abbrevptr, |
9211 | &bytes_read, | |
9212 | abbrev_table_end); | |
61364358 JK |
9213 | abbrevptr += bytes_read; |
9214 | const dwarf_vma form = read_uleb128 (abbrevptr, &bytes_read, | |
9215 | abbrev_table_end); | |
9216 | abbrevptr += bytes_read; | |
1d827a72 | 9217 | if (xindex == 0 && form == 0) |
61364358 JK |
9218 | break; |
9219 | ||
9220 | if (tagno >= 0) | |
1d827a72 | 9221 | printf (" %s", get_IDX_name (xindex)); |
ec1b0fbb NC |
9222 | entryptr = read_and_display_attr_value (0, form, 0, |
9223 | unit_start, entryptr, unit_end, | |
9224 | 0, 0, offset_size, | |
61364358 JK |
9225 | dwarf_version, NULL, |
9226 | (tagno < 0), NULL, | |
ec1b0fbb | 9227 | NULL, '=', -1); |
61364358 JK |
9228 | } |
9229 | ++tagno; | |
9230 | } | |
9231 | if (tagno <= 0) | |
9232 | printf (_(" <no entries>")); | |
9233 | putchar ('\n'); | |
9234 | } | |
9235 | ||
9236 | free (abbrev_lookup); | |
9237 | } | |
9238 | ||
9239 | return 1; | |
9240 | } | |
9241 | ||
dda8d76d | 9242 | static int |
d85bf2ba NC |
9243 | display_debug_links (struct dwarf_section * section, |
9244 | void * file ATTRIBUTE_UNUSED) | |
dda8d76d NC |
9245 | { |
9246 | const unsigned char * filename; | |
9247 | unsigned int filelen; | |
9248 | ||
9249 | introduce (section, FALSE); | |
9250 | ||
9251 | /* The .gnu_debuglink section is formatted as: | |
9252 | (c-string) Filename. | |
9253 | (padding) If needed to reach a 4 byte boundary. | |
9254 | (uint32_t) CRC32 value. | |
9255 | ||
9256 | The .gun_debugaltlink section is formatted as: | |
9257 | (c-string) Filename. | |
9258 | (binary) Build-ID. */ | |
9259 | ||
9260 | filename = section->start; | |
9261 | filelen = strnlen ((const char *) filename, section->size); | |
9262 | if (filelen == section->size) | |
9263 | { | |
9264 | warn (_("The debuglink filename is corrupt/missing\n")); | |
9265 | return 0; | |
9266 | } | |
9267 | ||
9268 | printf (_(" Separate debug info file: %s\n"), filename); | |
9269 | ||
9270 | if (const_strneq (section->name, ".gnu_debuglink")) | |
9271 | { | |
9272 | unsigned int crc32; | |
9273 | unsigned int crc_offset; | |
9274 | ||
9275 | crc_offset = filelen + 1; | |
9276 | crc_offset = (crc_offset + 3) & ~3; | |
9277 | if (crc_offset + 4 > section->size) | |
9278 | { | |
9279 | warn (_("CRC offset missing/truncated\n")); | |
9280 | return 0; | |
9281 | } | |
9282 | ||
9283 | crc32 = byte_get (filename + crc_offset, 4); | |
9284 | ||
9285 | printf (_(" CRC value: %#x\n"), crc32); | |
9286 | ||
9287 | if (crc_offset + 4 < section->size) | |
9288 | { | |
9289 | warn (_("There are %#lx extraneous bytes at the end of the section\n"), | |
9290 | (long)(section->size - (crc_offset + 4))); | |
9291 | return 0; | |
9292 | } | |
9293 | } | |
9294 | else /* const_strneq (section->name, ".gnu_debugaltlink") */ | |
9295 | { | |
9296 | const unsigned char * build_id = section->start + filelen + 1; | |
9297 | bfd_size_type build_id_len = section->size - (filelen + 1); | |
9298 | bfd_size_type printed; | |
9299 | ||
9300 | /* FIXME: Should we support smaller build-id notes ? */ | |
9301 | if (build_id_len < 0x14) | |
9302 | { | |
9303 | warn (_("Build-ID is too short (%#lx bytes)\n"), (long) build_id_len); | |
9304 | return 0; | |
9305 | } | |
9306 | ||
9307 | printed = printf (_(" Build-ID (%#lx bytes):"), (long) build_id_len); | |
d85bf2ba | 9308 | display_data (printed, build_id, build_id_len); |
dda8d76d NC |
9309 | putchar ('\n'); |
9310 | } | |
9311 | ||
9312 | putchar ('\n'); | |
9313 | return 1; | |
9314 | } | |
9315 | ||
5bbdf3d5 DE |
9316 | static int |
9317 | display_gdb_index (struct dwarf_section *section, | |
9318 | void *file ATTRIBUTE_UNUSED) | |
9319 | { | |
9320 | unsigned char *start = section->start; | |
9321 | uint32_t version; | |
9322 | uint32_t cu_list_offset, tu_list_offset; | |
9323 | uint32_t address_table_offset, symbol_table_offset, constant_pool_offset; | |
9324 | unsigned int cu_list_elements, tu_list_elements; | |
9325 | unsigned int address_table_size, symbol_table_slots; | |
9326 | unsigned char *cu_list, *tu_list; | |
9327 | unsigned char *address_table, *symbol_table, *constant_pool; | |
9328 | unsigned int i; | |
9329 | ||
9330 | /* The documentation for the format of this file is in gdb/dwarf2read.c. */ | |
9331 | ||
dda8d76d | 9332 | introduce (section, FALSE); |
5bbdf3d5 DE |
9333 | |
9334 | if (section->size < 6 * sizeof (uint32_t)) | |
9335 | { | |
9336 | warn (_("Truncated header in the %s section.\n"), section->name); | |
9337 | return 0; | |
9338 | } | |
9339 | ||
9340 | version = byte_get_little_endian (start, 4); | |
da88a764 | 9341 | printf (_("Version %ld\n"), (long) version); |
5bbdf3d5 DE |
9342 | |
9343 | /* Prior versions are obsolete, and future versions may not be | |
9344 | backwards compatible. */ | |
aa170720 | 9345 | if (version < 3 || version > 8) |
5bbdf3d5 | 9346 | { |
da88a764 | 9347 | warn (_("Unsupported version %lu.\n"), (unsigned long) version); |
5bbdf3d5 DE |
9348 | return 0; |
9349 | } | |
8d6eee87 TT |
9350 | if (version < 4) |
9351 | warn (_("The address table data in version 3 may be wrong.\n")); | |
9352 | if (version < 5) | |
9353 | warn (_("Version 4 does not support case insensitive lookups.\n")); | |
9354 | if (version < 6) | |
9355 | warn (_("Version 5 does not include inlined functions.\n")); | |
9356 | if (version < 7) | |
9357 | warn (_("Version 6 does not include symbol attributes.\n")); | |
aa170720 DE |
9358 | /* Version 7 indices generated by Gold have bad type unit references, |
9359 | PR binutils/15021. But we don't know if the index was generated by | |
9360 | Gold or not, so to avoid worrying users with gdb-generated indices | |
9361 | we say nothing for version 7 here. */ | |
5bbdf3d5 DE |
9362 | |
9363 | cu_list_offset = byte_get_little_endian (start + 4, 4); | |
9364 | tu_list_offset = byte_get_little_endian (start + 8, 4); | |
9365 | address_table_offset = byte_get_little_endian (start + 12, 4); | |
9366 | symbol_table_offset = byte_get_little_endian (start + 16, 4); | |
9367 | constant_pool_offset = byte_get_little_endian (start + 20, 4); | |
9368 | ||
9369 | if (cu_list_offset > section->size | |
9370 | || tu_list_offset > section->size | |
9371 | || address_table_offset > section->size | |
9372 | || symbol_table_offset > section->size | |
9373 | || constant_pool_offset > section->size) | |
9374 | { | |
9375 | warn (_("Corrupt header in the %s section.\n"), section->name); | |
9376 | return 0; | |
9377 | } | |
9378 | ||
53774b7e NC |
9379 | /* PR 17531: file: 418d0a8a. */ |
9380 | if (tu_list_offset < cu_list_offset) | |
9381 | { | |
9382 | warn (_("TU offset (%x) is less than CU offset (%x)\n"), | |
9383 | tu_list_offset, cu_list_offset); | |
9384 | return 0; | |
9385 | } | |
9386 | ||
5bbdf3d5 | 9387 | cu_list_elements = (tu_list_offset - cu_list_offset) / 8; |
53774b7e NC |
9388 | |
9389 | if (address_table_offset < tu_list_offset) | |
9390 | { | |
9391 | warn (_("Address table offset (%x) is less than TU offset (%x)\n"), | |
9392 | address_table_offset, tu_list_offset); | |
9393 | return 0; | |
9394 | } | |
9395 | ||
5bbdf3d5 | 9396 | tu_list_elements = (address_table_offset - tu_list_offset) / 8; |
53774b7e NC |
9397 | |
9398 | /* PR 17531: file: 18a47d3d. */ | |
9399 | if (symbol_table_offset < address_table_offset) | |
9400 | { | |
13bace4a | 9401 | warn (_("Symbol table offset (%x) is less then Address table offset (%x)\n"), |
53774b7e NC |
9402 | symbol_table_offset, address_table_offset); |
9403 | return 0; | |
9404 | } | |
9405 | ||
5bbdf3d5 | 9406 | address_table_size = symbol_table_offset - address_table_offset; |
53774b7e NC |
9407 | |
9408 | if (constant_pool_offset < symbol_table_offset) | |
9409 | { | |
9410 | warn (_("Constant pool offset (%x) is less than symbol table offset (%x)\n"), | |
9411 | constant_pool_offset, symbol_table_offset); | |
9412 | return 0; | |
9413 | } | |
9414 | ||
5bbdf3d5 DE |
9415 | symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8; |
9416 | ||
9417 | cu_list = start + cu_list_offset; | |
9418 | tu_list = start + tu_list_offset; | |
9419 | address_table = start + address_table_offset; | |
9420 | symbol_table = start + symbol_table_offset; | |
9421 | constant_pool = start + constant_pool_offset; | |
9422 | ||
28d909e5 | 9423 | if (address_table + address_table_size > section->start + section->size) |
acff9664 | 9424 | { |
1306a742 | 9425 | warn (_("Address table extends beyond end of section.\n")); |
acff9664 NC |
9426 | return 0; |
9427 | } | |
b4eb7656 | 9428 | |
5bbdf3d5 DE |
9429 | printf (_("\nCU table:\n")); |
9430 | for (i = 0; i < cu_list_elements; i += 2) | |
9431 | { | |
9432 | uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8); | |
9433 | uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8); | |
9434 | ||
9435 | printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2, | |
9436 | (unsigned long) cu_offset, | |
9437 | (unsigned long) (cu_offset + cu_length - 1)); | |
9438 | } | |
9439 | ||
9440 | printf (_("\nTU table:\n")); | |
9441 | for (i = 0; i < tu_list_elements; i += 3) | |
9442 | { | |
9443 | uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8); | |
9444 | uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8); | |
9445 | uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8); | |
9446 | ||
9447 | printf (_("[%3u] 0x%lx 0x%lx "), i / 3, | |
9448 | (unsigned long) tu_offset, | |
9449 | (unsigned long) type_offset); | |
9450 | print_dwarf_vma (signature, 8); | |
9451 | printf ("\n"); | |
9452 | } | |
9453 | ||
9454 | printf (_("\nAddress table:\n")); | |
acff9664 NC |
9455 | for (i = 0; i < address_table_size && i <= address_table_size - (2 * 8 + 4); |
9456 | i += 2 * 8 + 4) | |
5bbdf3d5 DE |
9457 | { |
9458 | uint64_t low = byte_get_little_endian (address_table + i, 8); | |
9459 | uint64_t high = byte_get_little_endian (address_table + i + 8, 8); | |
9460 | uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4); | |
9461 | ||
9462 | print_dwarf_vma (low, 8); | |
9463 | print_dwarf_vma (high, 8); | |
da88a764 | 9464 | printf (_("%lu\n"), (unsigned long) cu_index); |
5bbdf3d5 DE |
9465 | } |
9466 | ||
9467 | printf (_("\nSymbol table:\n")); | |
9468 | for (i = 0; i < symbol_table_slots; ++i) | |
9469 | { | |
9470 | uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4); | |
9471 | uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4); | |
9472 | uint32_t num_cus, cu; | |
9473 | ||
9474 | if (name_offset != 0 | |
9475 | || cu_vector_offset != 0) | |
9476 | { | |
9477 | unsigned int j; | |
362beea4 | 9478 | unsigned char * adr; |
5bbdf3d5 | 9479 | |
362beea4 | 9480 | adr = constant_pool + name_offset; |
53774b7e | 9481 | /* PR 17531: file: 5b7b07ad. */ |
362beea4 | 9482 | if (adr < constant_pool || adr >= section->start + section->size) |
53774b7e NC |
9483 | { |
9484 | printf (_("[%3u] <corrupt offset: %x>"), i, name_offset); | |
9485 | warn (_("Corrupt name offset of 0x%x found for symbol table slot %d\n"), | |
9486 | name_offset, i); | |
9487 | } | |
9488 | else | |
acff9664 NC |
9489 | printf ("[%3u] %.*s:", i, |
9490 | (int) (section->size - (constant_pool_offset + name_offset)), | |
9491 | constant_pool + name_offset); | |
53774b7e | 9492 | |
362beea4 NC |
9493 | adr = constant_pool + cu_vector_offset; |
9494 | if (adr < constant_pool || adr >= section->start + section->size - 3) | |
53774b7e NC |
9495 | { |
9496 | printf (_("<invalid CU vector offset: %x>\n"), cu_vector_offset); | |
9497 | warn (_("Corrupt CU vector offset of 0x%x found for symbol table slot %d\n"), | |
9498 | cu_vector_offset, i); | |
9499 | continue; | |
9500 | } | |
57028622 | 9501 | |
362beea4 | 9502 | num_cus = byte_get_little_endian (adr, 4); |
53774b7e | 9503 | |
362beea4 | 9504 | adr = constant_pool + cu_vector_offset + 4 + num_cus * 4; |
acff9664 | 9505 | if (num_cus * 4 < num_cus |
362beea4 NC |
9506 | || adr >= section->start + section->size |
9507 | || adr < constant_pool) | |
53774b7e NC |
9508 | { |
9509 | printf ("<invalid number of CUs: %d>\n", num_cus); | |
acff9664 | 9510 | warn (_("Invalid number of CUs (0x%x) for symbol table slot %d\n"), |
53774b7e NC |
9511 | num_cus, i); |
9512 | continue; | |
9513 | } | |
9514 | ||
8d6eee87 TT |
9515 | if (num_cus > 1) |
9516 | printf ("\n"); | |
f3853b34 | 9517 | |
5bbdf3d5 DE |
9518 | for (j = 0; j < num_cus; ++j) |
9519 | { | |
7c1cef97 | 9520 | int is_static; |
8d6eee87 TT |
9521 | gdb_index_symbol_kind kind; |
9522 | ||
5bbdf3d5 | 9523 | cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4); |
7c1cef97 | 9524 | is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu); |
8d6eee87 TT |
9525 | kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu); |
9526 | cu = GDB_INDEX_CU_VALUE (cu); | |
5bbdf3d5 | 9527 | /* Convert to TU number if it's for a type unit. */ |
ad6b52dd | 9528 | if (cu >= cu_list_elements / 2) |
8d6eee87 TT |
9529 | printf ("%cT%lu", num_cus > 1 ? '\t' : ' ', |
9530 | (unsigned long) (cu - cu_list_elements / 2)); | |
5bbdf3d5 | 9531 | else |
8d6eee87 TT |
9532 | printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu); |
9533 | ||
459d52c8 DE |
9534 | printf (" [%s, %s]", |
9535 | is_static ? _("static") : _("global"), | |
9536 | get_gdb_index_symbol_kind_name (kind)); | |
8d6eee87 TT |
9537 | if (num_cus > 1) |
9538 | printf ("\n"); | |
5bbdf3d5 | 9539 | } |
8d6eee87 TT |
9540 | if (num_cus <= 1) |
9541 | printf ("\n"); | |
5bbdf3d5 DE |
9542 | } |
9543 | } | |
9544 | ||
9545 | return 1; | |
9546 | } | |
9547 | ||
657d0d47 CC |
9548 | /* Pre-allocate enough space for the CU/TU sets needed. */ |
9549 | ||
9550 | static void | |
9551 | prealloc_cu_tu_list (unsigned int nshndx) | |
9552 | { | |
9553 | if (shndx_pool == NULL) | |
9554 | { | |
9555 | shndx_pool_size = nshndx; | |
9556 | shndx_pool_used = 0; | |
9557 | shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size, | |
9558 | sizeof (unsigned int)); | |
9559 | } | |
9560 | else | |
9561 | { | |
9562 | shndx_pool_size = shndx_pool_used + nshndx; | |
9563 | shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size, | |
9564 | sizeof (unsigned int)); | |
9565 | } | |
9566 | } | |
9567 | ||
9568 | static void | |
9569 | add_shndx_to_cu_tu_entry (unsigned int shndx) | |
9570 | { | |
9571 | if (shndx_pool_used >= shndx_pool_size) | |
9572 | { | |
9573 | error (_("Internal error: out of space in the shndx pool.\n")); | |
9574 | return; | |
9575 | } | |
9576 | shndx_pool [shndx_pool_used++] = shndx; | |
9577 | } | |
9578 | ||
9579 | static void | |
9580 | end_cu_tu_entry (void) | |
9581 | { | |
9582 | if (shndx_pool_used >= shndx_pool_size) | |
9583 | { | |
9584 | error (_("Internal error: out of space in the shndx pool.\n")); | |
9585 | return; | |
9586 | } | |
9587 | shndx_pool [shndx_pool_used++] = 0; | |
9588 | } | |
9589 | ||
341f9135 CC |
9590 | /* Return the short name of a DWARF section given by a DW_SECT enumerator. */ |
9591 | ||
9592 | static const char * | |
9593 | get_DW_SECT_short_name (unsigned int dw_sect) | |
9594 | { | |
9595 | static char buf[16]; | |
9596 | ||
9597 | switch (dw_sect) | |
9598 | { | |
9599 | case DW_SECT_INFO: | |
9600 | return "info"; | |
9601 | case DW_SECT_TYPES: | |
9602 | return "types"; | |
9603 | case DW_SECT_ABBREV: | |
9604 | return "abbrev"; | |
9605 | case DW_SECT_LINE: | |
9606 | return "line"; | |
9607 | case DW_SECT_LOC: | |
9608 | return "loc"; | |
9609 | case DW_SECT_STR_OFFSETS: | |
9610 | return "str_off"; | |
9611 | case DW_SECT_MACINFO: | |
9612 | return "macinfo"; | |
9613 | case DW_SECT_MACRO: | |
9614 | return "macro"; | |
9615 | default: | |
b4eb7656 | 9616 | break; |
341f9135 CC |
9617 | } |
9618 | ||
9619 | snprintf (buf, sizeof (buf), "%d", dw_sect); | |
9620 | return buf; | |
9621 | } | |
9622 | ||
9623 | /* Process a CU or TU index. If DO_DISPLAY is true, print the contents. | |
9624 | These sections are extensions for Fission. | |
9625 | See http://gcc.gnu.org/wiki/DebugFissionDWP. */ | |
657d0d47 CC |
9626 | |
9627 | static int | |
9628 | process_cu_tu_index (struct dwarf_section *section, int do_display) | |
9629 | { | |
9630 | unsigned char *phdr = section->start; | |
9631 | unsigned char *limit = phdr + section->size; | |
9632 | unsigned char *phash; | |
9633 | unsigned char *pindex; | |
9634 | unsigned char *ppool; | |
9635 | unsigned int version; | |
341f9135 | 9636 | unsigned int ncols = 0; |
657d0d47 CC |
9637 | unsigned int nused; |
9638 | unsigned int nslots; | |
9639 | unsigned int i; | |
341f9135 CC |
9640 | unsigned int j; |
9641 | dwarf_vma signature_high; | |
9642 | dwarf_vma signature_low; | |
9643 | char buf[64]; | |
657d0d47 | 9644 | |
6937bb54 NC |
9645 | /* PR 17512: file: 002-168123-0.004. */ |
9646 | if (phdr == NULL) | |
9647 | { | |
9648 | warn (_("Section %s is empty\n"), section->name); | |
9649 | return 0; | |
9650 | } | |
9651 | /* PR 17512: file: 002-376-0.004. */ | |
9652 | if (section->size < 24) | |
9653 | { | |
72c61a0d | 9654 | warn (_("Section %s is too small to contain a CU/TU header\n"), |
6937bb54 NC |
9655 | section->name); |
9656 | return 0; | |
9657 | } | |
9658 | ||
9659 | SAFE_BYTE_GET (version, phdr, 4, limit); | |
341f9135 | 9660 | if (version >= 2) |
6937bb54 NC |
9661 | SAFE_BYTE_GET (ncols, phdr + 4, 4, limit); |
9662 | SAFE_BYTE_GET (nused, phdr + 8, 4, limit); | |
9663 | SAFE_BYTE_GET (nslots, phdr + 12, 4, limit); | |
9664 | ||
657d0d47 | 9665 | phash = phdr + 16; |
8e2e3c6c AM |
9666 | pindex = phash + (size_t) nslots * 8; |
9667 | ppool = pindex + (size_t) nslots * 4; | |
57028622 | 9668 | |
657d0d47 CC |
9669 | if (do_display) |
9670 | { | |
dda8d76d NC |
9671 | introduce (section, FALSE); |
9672 | ||
8e2e3c6c | 9673 | printf (_(" Version: %u\n"), version); |
341f9135 | 9674 | if (version >= 2) |
8e2e3c6c AM |
9675 | printf (_(" Number of columns: %u\n"), ncols); |
9676 | printf (_(" Number of used entries: %u\n"), nused); | |
9677 | printf (_(" Number of slots: %u\n\n"), nslots); | |
657d0d47 CC |
9678 | } |
9679 | ||
8e2e3c6c AM |
9680 | /* PR 17531: file: 45d69832. */ |
9681 | if ((size_t) nslots * 8 / 8 != nslots | |
9682 | || phash < phdr || phash > limit | |
9683 | || pindex < phash || pindex > limit | |
9684 | || ppool < pindex || ppool > limit) | |
657d0d47 | 9685 | { |
8e2e3c6c AM |
9686 | warn (ngettext ("Section %s is too small for %u slot\n", |
9687 | "Section %s is too small for %u slots\n", | |
9688 | nslots), | |
657d0d47 CC |
9689 | section->name, nslots); |
9690 | return 0; | |
9691 | } | |
9692 | ||
341f9135 | 9693 | if (version == 1) |
657d0d47 | 9694 | { |
341f9135 CC |
9695 | if (!do_display) |
9696 | prealloc_cu_tu_list ((limit - ppool) / 4); | |
9697 | for (i = 0; i < nslots; i++) | |
657d0d47 | 9698 | { |
341f9135 CC |
9699 | unsigned char *shndx_list; |
9700 | unsigned int shndx; | |
9701 | ||
6937bb54 | 9702 | SAFE_BYTE_GET64 (phash, &signature_high, &signature_low, limit); |
341f9135 | 9703 | if (signature_high != 0 || signature_low != 0) |
657d0d47 | 9704 | { |
6937bb54 | 9705 | SAFE_BYTE_GET (j, pindex, 4, limit); |
341f9135 | 9706 | shndx_list = ppool + j * 4; |
f3853b34 NC |
9707 | /* PR 17531: file: 705e010d. */ |
9708 | if (shndx_list < ppool) | |
9709 | { | |
9710 | warn (_("Section index pool located before start of section\n")); | |
9711 | return 0; | |
9712 | } | |
9713 | ||
341f9135 CC |
9714 | if (do_display) |
9715 | printf (_(" [%3d] Signature: 0x%s Sections: "), | |
9716 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
9717 | buf, sizeof (buf))); | |
9718 | for (;;) | |
657d0d47 | 9719 | { |
341f9135 CC |
9720 | if (shndx_list >= limit) |
9721 | { | |
9722 | warn (_("Section %s too small for shndx pool\n"), | |
9723 | section->name); | |
9724 | return 0; | |
9725 | } | |
6937bb54 | 9726 | SAFE_BYTE_GET (shndx, shndx_list, 4, limit); |
341f9135 CC |
9727 | if (shndx == 0) |
9728 | break; | |
9729 | if (do_display) | |
9730 | printf (" %d", shndx); | |
9731 | else | |
9732 | add_shndx_to_cu_tu_entry (shndx); | |
9733 | shndx_list += 4; | |
657d0d47 | 9734 | } |
657d0d47 | 9735 | if (do_display) |
341f9135 | 9736 | printf ("\n"); |
657d0d47 | 9737 | else |
341f9135 CC |
9738 | end_cu_tu_entry (); |
9739 | } | |
9740 | phash += 8; | |
9741 | pindex += 4; | |
9742 | } | |
9743 | } | |
9744 | else if (version == 2) | |
9745 | { | |
9746 | unsigned int val; | |
9747 | unsigned int dw_sect; | |
9748 | unsigned char *ph = phash; | |
9749 | unsigned char *pi = pindex; | |
8e2e3c6c AM |
9750 | unsigned char *poffsets = ppool + (size_t) ncols * 4; |
9751 | unsigned char *psizes = poffsets + (size_t) nused * ncols * 4; | |
9752 | unsigned char *pend = psizes + (size_t) nused * ncols * 4; | |
341f9135 CC |
9753 | bfd_boolean is_tu_index; |
9754 | struct cu_tu_set *this_set = NULL; | |
9755 | unsigned int row; | |
9756 | unsigned char *prow; | |
9757 | ||
9758 | is_tu_index = strcmp (section->name, ".debug_tu_index") == 0; | |
9759 | ||
362beea4 | 9760 | /* PR 17531: file: 0dd159bf. |
8e2e3c6c AM |
9761 | Check for integer overflow (can occur when size_t is 32-bit) |
9762 | with overlarge ncols or nused values. */ | |
4ac948a0 NC |
9763 | if (ncols > 0 |
9764 | && ((size_t) ncols * 4 / 4 != ncols | |
9765 | || (size_t) nused * ncols * 4 / ((size_t) ncols * 4) != nused | |
9766 | || poffsets < ppool || poffsets > limit | |
9767 | || psizes < poffsets || psizes > limit | |
9768 | || pend < psizes || pend > limit)) | |
341f9135 CC |
9769 | { |
9770 | warn (_("Section %s too small for offset and size tables\n"), | |
9771 | section->name); | |
9772 | return 0; | |
9773 | } | |
9774 | ||
9775 | if (do_display) | |
9776 | { | |
9777 | printf (_(" Offset table\n")); | |
9778 | printf (" slot %-16s ", | |
9779 | is_tu_index ? _("signature") : _("dwo_id")); | |
9780 | } | |
9781 | else | |
9782 | { | |
9783 | if (is_tu_index) | |
9784 | { | |
9785 | tu_count = nused; | |
72c61a0d | 9786 | tu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set)); |
341f9135 | 9787 | this_set = tu_sets; |
657d0d47 | 9788 | } |
657d0d47 | 9789 | else |
341f9135 CC |
9790 | { |
9791 | cu_count = nused; | |
72c61a0d | 9792 | cu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set)); |
341f9135 CC |
9793 | this_set = cu_sets; |
9794 | } | |
9795 | } | |
6937bb54 | 9796 | |
341f9135 CC |
9797 | if (do_display) |
9798 | { | |
9799 | for (j = 0; j < ncols; j++) | |
9800 | { | |
6937bb54 | 9801 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
341f9135 CC |
9802 | printf (" %8s", get_DW_SECT_short_name (dw_sect)); |
9803 | } | |
9804 | printf ("\n"); | |
9805 | } | |
6937bb54 | 9806 | |
341f9135 CC |
9807 | for (i = 0; i < nslots; i++) |
9808 | { | |
6937bb54 NC |
9809 | SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit); |
9810 | ||
9811 | SAFE_BYTE_GET (row, pi, 4, limit); | |
341f9135 CC |
9812 | if (row != 0) |
9813 | { | |
591f7597 | 9814 | /* PR 17531: file: a05f6ab3. */ |
ef77750e | 9815 | if (row > nused) |
591f7597 NC |
9816 | { |
9817 | warn (_("Row index (%u) is larger than number of used entries (%u)\n"), | |
9818 | row, nused); | |
9819 | return 0; | |
9820 | } | |
9821 | ||
341f9135 | 9822 | if (!do_display) |
6aea08d9 NC |
9823 | { |
9824 | size_t num_copy = sizeof (uint64_t); | |
9825 | ||
9826 | /* PR 23064: Beware of buffer overflow. */ | |
9827 | if (ph + num_copy < limit) | |
9828 | memcpy (&this_set[row - 1].signature, ph, num_copy); | |
9829 | else | |
9830 | { | |
9831 | warn (_("Signature (%p) extends beyond end of space in section\n"), ph); | |
9832 | return 0; | |
9833 | } | |
9834 | } | |
6937bb54 | 9835 | |
341f9135 | 9836 | prow = poffsets + (row - 1) * ncols * 4; |
ffc0f143 NC |
9837 | /* PR 17531: file: b8ce60a8. */ |
9838 | if (prow < poffsets || prow > limit) | |
9839 | { | |
9840 | warn (_("Row index (%u) * num columns (%u) > space remaining in section\n"), | |
9841 | row, ncols); | |
9842 | return 0; | |
9843 | } | |
3aade688 | 9844 | |
341f9135 CC |
9845 | if (do_display) |
9846 | printf (_(" [%3d] 0x%s"), | |
9847 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
9848 | buf, sizeof (buf))); | |
9849 | for (j = 0; j < ncols; j++) | |
9850 | { | |
6937bb54 | 9851 | SAFE_BYTE_GET (val, prow + j * 4, 4, limit); |
341f9135 CC |
9852 | if (do_display) |
9853 | printf (" %8d", val); | |
9854 | else | |
9855 | { | |
6937bb54 | 9856 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
82b1b41b NC |
9857 | |
9858 | /* PR 17531: file: 10796eb3. */ | |
9859 | if (dw_sect >= DW_SECT_MAX) | |
9860 | warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect); | |
9861 | else | |
9862 | this_set [row - 1].section_offsets [dw_sect] = val; | |
341f9135 CC |
9863 | } |
9864 | } | |
6937bb54 | 9865 | |
341f9135 CC |
9866 | if (do_display) |
9867 | printf ("\n"); | |
9868 | } | |
9869 | ph += 8; | |
9870 | pi += 4; | |
9871 | } | |
9872 | ||
9873 | ph = phash; | |
9874 | pi = pindex; | |
9875 | if (do_display) | |
b4eb7656 | 9876 | { |
341f9135 CC |
9877 | printf ("\n"); |
9878 | printf (_(" Size table\n")); | |
9879 | printf (" slot %-16s ", | |
9880 | is_tu_index ? _("signature") : _("dwo_id")); | |
b4eb7656 | 9881 | } |
6937bb54 | 9882 | |
341f9135 CC |
9883 | for (j = 0; j < ncols; j++) |
9884 | { | |
6937bb54 | 9885 | SAFE_BYTE_GET (val, ppool + j * 4, 4, limit); |
341f9135 CC |
9886 | if (do_display) |
9887 | printf (" %8s", get_DW_SECT_short_name (val)); | |
9888 | } | |
6937bb54 | 9889 | |
341f9135 CC |
9890 | if (do_display) |
9891 | printf ("\n"); | |
6937bb54 | 9892 | |
341f9135 CC |
9893 | for (i = 0; i < nslots; i++) |
9894 | { | |
6937bb54 NC |
9895 | SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit); |
9896 | ||
9897 | SAFE_BYTE_GET (row, pi, 4, limit); | |
341f9135 CC |
9898 | if (row != 0) |
9899 | { | |
9900 | prow = psizes + (row - 1) * ncols * 4; | |
6937bb54 | 9901 | |
341f9135 CC |
9902 | if (do_display) |
9903 | printf (_(" [%3d] 0x%s"), | |
9904 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
9905 | buf, sizeof (buf))); | |
6937bb54 | 9906 | |
341f9135 CC |
9907 | for (j = 0; j < ncols; j++) |
9908 | { | |
6937bb54 | 9909 | SAFE_BYTE_GET (val, prow + j * 4, 4, limit); |
341f9135 CC |
9910 | if (do_display) |
9911 | printf (" %8d", val); | |
9912 | else | |
9913 | { | |
6937bb54 | 9914 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
82b1b41b NC |
9915 | if (dw_sect >= DW_SECT_MAX) |
9916 | warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect); | |
9917 | else | |
341f9135 CC |
9918 | this_set [row - 1].section_sizes [dw_sect] = val; |
9919 | } | |
9920 | } | |
6937bb54 | 9921 | |
341f9135 CC |
9922 | if (do_display) |
9923 | printf ("\n"); | |
9924 | } | |
6937bb54 | 9925 | |
341f9135 CC |
9926 | ph += 8; |
9927 | pi += 4; | |
657d0d47 | 9928 | } |
657d0d47 | 9929 | } |
341f9135 | 9930 | else if (do_display) |
6937bb54 | 9931 | printf (_(" Unsupported version (%d)\n"), version); |
657d0d47 CC |
9932 | |
9933 | if (do_display) | |
9934 | printf ("\n"); | |
9935 | ||
9936 | return 1; | |
9937 | } | |
9938 | ||
9939 | /* Load the CU and TU indexes if present. This will build a list of | |
9940 | section sets that we can use to associate a .debug_info.dwo section | |
9941 | with its associated .debug_abbrev.dwo section in a .dwp file. */ | |
9942 | ||
43a444f9 | 9943 | static bfd_boolean |
657d0d47 CC |
9944 | load_cu_tu_indexes (void *file) |
9945 | { | |
43a444f9 NC |
9946 | static int cu_tu_indexes_read = -1; /* Tri-state variable. */ |
9947 | ||
657d0d47 CC |
9948 | /* If we have already loaded (or tried to load) the CU and TU indexes |
9949 | then do not bother to repeat the task. */ | |
43a444f9 NC |
9950 | if (cu_tu_indexes_read == -1) |
9951 | { | |
9952 | cu_tu_indexes_read = TRUE; | |
9953 | ||
dda8d76d | 9954 | if (load_debug_section_with_follow (dwp_cu_index, file)) |
43a444f9 NC |
9955 | if (! process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0)) |
9956 | cu_tu_indexes_read = FALSE; | |
9957 | ||
dda8d76d | 9958 | if (load_debug_section_with_follow (dwp_tu_index, file)) |
43a444f9 NC |
9959 | if (! process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0)) |
9960 | cu_tu_indexes_read = FALSE; | |
9961 | } | |
657d0d47 | 9962 | |
43a444f9 | 9963 | return (bfd_boolean) cu_tu_indexes_read; |
657d0d47 CC |
9964 | } |
9965 | ||
9966 | /* Find the set of sections that includes section SHNDX. */ | |
9967 | ||
9968 | unsigned int * | |
9969 | find_cu_tu_set (void *file, unsigned int shndx) | |
9970 | { | |
9971 | unsigned int i; | |
9972 | ||
43a444f9 NC |
9973 | if (! load_cu_tu_indexes (file)) |
9974 | return NULL; | |
657d0d47 CC |
9975 | |
9976 | /* Find SHNDX in the shndx pool. */ | |
9977 | for (i = 0; i < shndx_pool_used; i++) | |
9978 | if (shndx_pool [i] == shndx) | |
9979 | break; | |
9980 | ||
9981 | if (i >= shndx_pool_used) | |
9982 | return NULL; | |
9983 | ||
9984 | /* Now backup to find the first entry in the set. */ | |
9985 | while (i > 0 && shndx_pool [i - 1] != 0) | |
9986 | i--; | |
9987 | ||
9988 | return shndx_pool + i; | |
9989 | } | |
9990 | ||
9991 | /* Display a .debug_cu_index or .debug_tu_index section. */ | |
9992 | ||
9993 | static int | |
9994 | display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED) | |
9995 | { | |
9996 | return process_cu_tu_index (section, 1); | |
9997 | } | |
9998 | ||
19e6b90e L |
9999 | static int |
10000 | display_debug_not_supported (struct dwarf_section *section, | |
10001 | void *file ATTRIBUTE_UNUSED) | |
10002 | { | |
10003 | printf (_("Displaying the debug contents of section %s is not yet supported.\n"), | |
10004 | section->name); | |
10005 | ||
10006 | return 1; | |
10007 | } | |
10008 | ||
1306a742 NC |
10009 | /* Like malloc, but takes two parameters like calloc. |
10010 | Verifies that the first parameter is not too large. | |
82b1b41b | 10011 | Note: does *not* initialise the allocated memory to zero. */ |
dda8d76d | 10012 | |
19e6b90e L |
10013 | void * |
10014 | cmalloc (size_t nmemb, size_t size) | |
10015 | { | |
10016 | /* Check for overflow. */ | |
10017 | if (nmemb >= ~(size_t) 0 / size) | |
10018 | return NULL; | |
82b1b41b NC |
10019 | |
10020 | return xmalloc (nmemb * size); | |
19e6b90e L |
10021 | } |
10022 | ||
1306a742 NC |
10023 | /* Like xmalloc, but takes two parameters like calloc. |
10024 | Verifies that the first parameter is not too large. | |
10025 | Note: does *not* initialise the allocated memory to zero. */ | |
dda8d76d | 10026 | |
72c61a0d | 10027 | void * |
1306a742 | 10028 | xcmalloc (size_t nmemb, size_t size) |
72c61a0d NC |
10029 | { |
10030 | /* Check for overflow. */ | |
10031 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 NC |
10032 | { |
10033 | fprintf (stderr, | |
10034 | _("Attempt to allocate an array with an excessive number of elements: 0x%lx\n"), | |
10035 | (long) nmemb); | |
10036 | xexit (1); | |
10037 | } | |
72c61a0d | 10038 | |
1306a742 | 10039 | return xmalloc (nmemb * size); |
72c61a0d NC |
10040 | } |
10041 | ||
1306a742 NC |
10042 | /* Like xrealloc, but takes three parameters. |
10043 | Verifies that the second parameter is not too large. | |
10044 | Note: does *not* initialise any new memory to zero. */ | |
dda8d76d | 10045 | |
19e6b90e | 10046 | void * |
1306a742 | 10047 | xcrealloc (void *ptr, size_t nmemb, size_t size) |
19e6b90e L |
10048 | { |
10049 | /* Check for overflow. */ | |
10050 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 | 10051 | { |
dda8d76d NC |
10052 | error (_("Attempt to re-allocate an array with an excessive number of elements: 0x%lx\n"), |
10053 | (long) nmemb); | |
8490fb40 NC |
10054 | xexit (1); |
10055 | } | |
82b1b41b | 10056 | |
1306a742 | 10057 | return xrealloc (ptr, nmemb * size); |
19e6b90e L |
10058 | } |
10059 | ||
1306a742 | 10060 | /* Like xcalloc, but verifies that the first parameter is not too large. */ |
dda8d76d | 10061 | |
19e6b90e | 10062 | void * |
1306a742 | 10063 | xcalloc2 (size_t nmemb, size_t size) |
19e6b90e L |
10064 | { |
10065 | /* Check for overflow. */ | |
10066 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 | 10067 | { |
dda8d76d NC |
10068 | error (_("Attempt to allocate a zero'ed array with an excessive number of elements: 0x%lx\n"), |
10069 | (long) nmemb); | |
8490fb40 NC |
10070 | xexit (1); |
10071 | } | |
82b1b41b | 10072 | |
1306a742 | 10073 | return xcalloc (nmemb, size); |
19e6b90e L |
10074 | } |
10075 | ||
dda8d76d NC |
10076 | static unsigned long |
10077 | calc_gnu_debuglink_crc32 (unsigned long crc, | |
10078 | const unsigned char * buf, | |
10079 | bfd_size_type len) | |
10080 | { | |
10081 | static const unsigned long crc32_table[256] = | |
10082 | { | |
10083 | 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, | |
10084 | 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, | |
10085 | 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, | |
10086 | 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, | |
10087 | 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, | |
10088 | 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, | |
10089 | 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, | |
10090 | 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, | |
10091 | 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, | |
10092 | 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, | |
10093 | 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, | |
10094 | 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, | |
10095 | 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, | |
10096 | 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, | |
10097 | 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, | |
10098 | 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, | |
10099 | 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, | |
10100 | 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, | |
10101 | 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, | |
10102 | 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, | |
10103 | 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, | |
10104 | 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, | |
10105 | 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, | |
10106 | 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, | |
10107 | 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, | |
10108 | 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, | |
10109 | 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, | |
10110 | 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, | |
10111 | 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, | |
10112 | 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, | |
10113 | 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, | |
10114 | 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, | |
10115 | 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, | |
10116 | 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, | |
10117 | 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, | |
10118 | 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, | |
10119 | 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, | |
10120 | 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, | |
10121 | 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, | |
10122 | 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, | |
10123 | 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, | |
10124 | 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, | |
10125 | 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, | |
10126 | 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, | |
10127 | 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, | |
10128 | 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, | |
10129 | 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, | |
10130 | 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, | |
10131 | 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, | |
10132 | 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, | |
10133 | 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, | |
10134 | 0x2d02ef8d | |
10135 | }; | |
10136 | const unsigned char *end; | |
10137 | ||
10138 | crc = ~crc & 0xffffffff; | |
10139 | for (end = buf + len; buf < end; ++ buf) | |
10140 | crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8); | |
10141 | return ~crc & 0xffffffff; | |
10142 | } | |
10143 | ||
10144 | typedef bfd_boolean (* check_func_type) (const char *, void *); | |
10145 | typedef const char * (* parse_func_type) (struct dwarf_section *, void *); | |
10146 | ||
10147 | static bfd_boolean | |
10148 | check_gnu_debuglink (const char * pathname, void * crc_pointer) | |
10149 | { | |
10150 | static unsigned char buffer [8 * 1024]; | |
10151 | FILE * f; | |
10152 | bfd_size_type count; | |
10153 | unsigned long crc = 0; | |
10154 | void * sep_data; | |
10155 | ||
10156 | sep_data = open_debug_file (pathname); | |
10157 | if (sep_data == NULL) | |
10158 | return FALSE; | |
10159 | ||
10160 | /* Yes - we are opening the file twice... */ | |
10161 | f = fopen (pathname, "rb"); | |
10162 | if (f == NULL) | |
10163 | { | |
10164 | /* Paranoia: This should never happen. */ | |
10165 | close_debug_file (sep_data); | |
10166 | warn (_("Unable to reopen separate debug info file: %s\n"), pathname); | |
10167 | return FALSE; | |
10168 | } | |
10169 | ||
10170 | while ((count = fread (buffer, 1, sizeof (buffer), f)) > 0) | |
10171 | crc = calc_gnu_debuglink_crc32 (crc, buffer, count); | |
10172 | ||
10173 | fclose (f); | |
10174 | ||
10175 | if (crc != * (unsigned long *) crc_pointer) | |
10176 | { | |
10177 | close_debug_file (sep_data); | |
10178 | warn (_("Separate debug info file %s found, but CRC does not match - ignoring\n"), | |
10179 | pathname); | |
10180 | return FALSE; | |
10181 | } | |
10182 | ||
10183 | return TRUE; | |
10184 | } | |
10185 | ||
10186 | static const char * | |
10187 | parse_gnu_debuglink (struct dwarf_section * section, void * data) | |
10188 | { | |
10189 | const char * name; | |
10190 | unsigned int crc_offset; | |
10191 | unsigned long * crc32 = (unsigned long *) data; | |
10192 | ||
10193 | /* The name is first. | |
10194 | The CRC value is stored after the filename, aligned up to 4 bytes. */ | |
10195 | name = (const char *) section->start; | |
10196 | ||
39f0547e | 10197 | |
dda8d76d NC |
10198 | crc_offset = strnlen (name, section->size) + 1; |
10199 | crc_offset = (crc_offset + 3) & ~3; | |
10200 | if (crc_offset + 4 > section->size) | |
10201 | return NULL; | |
10202 | ||
10203 | * crc32 = byte_get (section->start + crc_offset, 4); | |
10204 | return name; | |
10205 | } | |
10206 | ||
10207 | static bfd_boolean | |
10208 | check_gnu_debugaltlink (const char * filename, void * data ATTRIBUTE_UNUSED) | |
10209 | { | |
10210 | void * sep_data = open_debug_file (filename); | |
10211 | ||
10212 | if (sep_data == NULL) | |
10213 | return FALSE; | |
10214 | ||
10215 | /* FIXME: We should now extract the build-id in the separate file | |
10216 | and check it... */ | |
10217 | ||
10218 | return TRUE; | |
10219 | } | |
10220 | ||
10221 | typedef struct build_id_data | |
10222 | { | |
10223 | bfd_size_type len; | |
10224 | const unsigned char * data; | |
10225 | } Build_id_data; | |
10226 | ||
10227 | static const char * | |
10228 | parse_gnu_debugaltlink (struct dwarf_section * section, void * data) | |
10229 | { | |
10230 | const char * name; | |
10231 | bfd_size_type namelen; | |
10232 | bfd_size_type id_len; | |
10233 | Build_id_data * build_id_data; | |
10234 | ||
10235 | /* The name is first. | |
10236 | The build-id follows immediately, with no padding, up to the section's end. */ | |
10237 | ||
10238 | name = (const char *) section->start; | |
10239 | namelen = strnlen (name, section->size) + 1; | |
10240 | if (namelen >= section->size) | |
10241 | return NULL; | |
10242 | ||
10243 | id_len = section->size - namelen; | |
10244 | if (id_len < 0x14) | |
10245 | return NULL; | |
10246 | ||
10247 | build_id_data = calloc (1, sizeof * build_id_data); | |
10248 | if (build_id_data == NULL) | |
10249 | return NULL; | |
10250 | ||
10251 | build_id_data->len = id_len; | |
10252 | build_id_data->data = section->start + namelen; | |
10253 | ||
10254 | * (Build_id_data **) data = build_id_data; | |
10255 | ||
10256 | return name; | |
10257 | } | |
10258 | ||
24841daa NC |
10259 | static void |
10260 | add_separate_debug_file (const char * filename, void * handle) | |
10261 | { | |
10262 | separate_info * i = xmalloc (sizeof * i); | |
10263 | ||
10264 | i->filename = filename; | |
10265 | i->handle = handle; | |
10266 | i->next = first_separate_info; | |
10267 | first_separate_info = i; | |
10268 | } | |
10269 | ||
dda8d76d NC |
10270 | static void * |
10271 | load_separate_debug_info (const char * main_filename, | |
2b63c337 | 10272 | struct dwarf_section * xlink, |
dda8d76d NC |
10273 | parse_func_type parse_func, |
10274 | check_func_type check_func, | |
10275 | void * func_data) | |
10276 | { | |
10277 | const char * separate_filename; | |
24841daa | 10278 | char * debug_filename; |
dda8d76d NC |
10279 | char * canon_dir; |
10280 | size_t canon_dirlen; | |
10281 | size_t dirlen; | |
10282 | ||
2b63c337 | 10283 | if ((separate_filename = parse_func (xlink, func_data)) == NULL) |
dda8d76d NC |
10284 | { |
10285 | warn (_("Corrupt debuglink section: %s\n"), | |
2b63c337 | 10286 | xlink->name ? xlink->name : xlink->uncompressed_name); |
dda8d76d NC |
10287 | return FALSE; |
10288 | } | |
10289 | ||
10290 | /* Attempt to locate the separate file. | |
10291 | This should duplicate the logic in bfd/opncls.c:find_separate_debug_file(). */ | |
10292 | ||
10293 | canon_dir = lrealpath (main_filename); | |
10294 | ||
10295 | for (canon_dirlen = strlen (canon_dir); canon_dirlen > 0; canon_dirlen--) | |
10296 | if (IS_DIR_SEPARATOR (canon_dir[canon_dirlen - 1])) | |
10297 | break; | |
10298 | canon_dir[canon_dirlen] = '\0'; | |
10299 | ||
10300 | #ifndef DEBUGDIR | |
10301 | #define DEBUGDIR "/lib/debug" | |
10302 | #endif | |
10303 | #ifndef EXTRA_DEBUG_ROOT1 | |
10304 | #define EXTRA_DEBUG_ROOT1 "/usr/lib/debug" | |
10305 | #endif | |
10306 | #ifndef EXTRA_DEBUG_ROOT2 | |
10307 | #define EXTRA_DEBUG_ROOT2 "/usr/lib/debug/usr" | |
10308 | #endif | |
10309 | ||
24841daa NC |
10310 | debug_filename = (char *) malloc (strlen (DEBUGDIR) + 1 |
10311 | + canon_dirlen | |
10312 | + strlen (".debug/") | |
dda8d76d | 10313 | #ifdef EXTRA_DEBUG_ROOT1 |
24841daa | 10314 | + strlen (EXTRA_DEBUG_ROOT1) |
dda8d76d NC |
10315 | #endif |
10316 | #ifdef EXTRA_DEBUG_ROOT2 | |
24841daa | 10317 | + strlen (EXTRA_DEBUG_ROOT2) |
dda8d76d | 10318 | #endif |
24841daa NC |
10319 | + strlen (separate_filename) |
10320 | + 1); | |
10321 | if (debug_filename == NULL) | |
dda8d76d NC |
10322 | { |
10323 | warn (_("Out of memory")); | |
3391569f | 10324 | free (canon_dir); |
dda8d76d NC |
10325 | return NULL; |
10326 | } | |
10327 | ||
10328 | /* First try in the current directory. */ | |
24841daa NC |
10329 | sprintf (debug_filename, "%s", separate_filename); |
10330 | if (check_func (debug_filename, func_data)) | |
dda8d76d NC |
10331 | goto found; |
10332 | ||
10333 | /* Then try in a subdirectory called .debug. */ | |
24841daa NC |
10334 | sprintf (debug_filename, ".debug/%s", separate_filename); |
10335 | if (check_func (debug_filename, func_data)) | |
dda8d76d NC |
10336 | goto found; |
10337 | ||
10338 | /* Then try in the same directory as the original file. */ | |
24841daa NC |
10339 | sprintf (debug_filename, "%s%s", canon_dir, separate_filename); |
10340 | if (check_func (debug_filename, func_data)) | |
dda8d76d NC |
10341 | goto found; |
10342 | ||
10343 | /* And the .debug subdirectory of that directory. */ | |
24841daa NC |
10344 | sprintf (debug_filename, "%s.debug/%s", canon_dir, separate_filename); |
10345 | if (check_func (debug_filename, func_data)) | |
dda8d76d NC |
10346 | goto found; |
10347 | ||
10348 | #ifdef EXTRA_DEBUG_ROOT1 | |
10349 | /* Try the first extra debug file root. */ | |
24841daa NC |
10350 | sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename); |
10351 | if (check_func (debug_filename, func_data)) | |
dda8d76d | 10352 | goto found; |
39f0547e NC |
10353 | |
10354 | /* Try the first extra debug file root. */ | |
10355 | sprintf (debug_filename, "%s/%s/%s", EXTRA_DEBUG_ROOT1, canon_dir, separate_filename); | |
10356 | if (check_func (debug_filename, func_data)) | |
10357 | goto found; | |
dda8d76d NC |
10358 | #endif |
10359 | ||
10360 | #ifdef EXTRA_DEBUG_ROOT2 | |
10361 | /* Try the second extra debug file root. */ | |
24841daa NC |
10362 | sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename); |
10363 | if (check_func (debug_filename, func_data)) | |
dda8d76d NC |
10364 | goto found; |
10365 | #endif | |
10366 | ||
24841daa NC |
10367 | /* Then try in the global debug_filename directory. */ |
10368 | strcpy (debug_filename, DEBUGDIR); | |
dda8d76d NC |
10369 | dirlen = strlen (DEBUGDIR) - 1; |
10370 | if (dirlen > 0 && DEBUGDIR[dirlen] != '/') | |
24841daa NC |
10371 | strcat (debug_filename, "/"); |
10372 | strcat (debug_filename, (const char *) separate_filename); | |
dda8d76d | 10373 | |
24841daa | 10374 | if (check_func (debug_filename, func_data)) |
dda8d76d NC |
10375 | goto found; |
10376 | ||
10377 | /* Failed to find the file. */ | |
10378 | warn (_("could not find separate debug file '%s'\n"), separate_filename); | |
24841daa | 10379 | warn (_("tried: %s\n"), debug_filename); |
dda8d76d NC |
10380 | |
10381 | #ifdef EXTRA_DEBUG_ROOT2 | |
24841daa NC |
10382 | sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename); |
10383 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d NC |
10384 | #endif |
10385 | ||
10386 | #ifdef EXTRA_DEBUG_ROOT1 | |
39f0547e NC |
10387 | sprintf (debug_filename, "%s/%s/%s", EXTRA_DEBUG_ROOT1, canon_dir, separate_filename); |
10388 | warn (_("tried: %s\n"), debug_filename); | |
10389 | ||
24841daa NC |
10390 | sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename); |
10391 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d NC |
10392 | #endif |
10393 | ||
24841daa NC |
10394 | sprintf (debug_filename, "%s.debug/%s", canon_dir, separate_filename); |
10395 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d | 10396 | |
24841daa NC |
10397 | sprintf (debug_filename, "%s%s", canon_dir, separate_filename); |
10398 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d | 10399 | |
24841daa NC |
10400 | sprintf (debug_filename, ".debug/%s", separate_filename); |
10401 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d | 10402 | |
24841daa NC |
10403 | sprintf (debug_filename, "%s", separate_filename); |
10404 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d NC |
10405 | |
10406 | free (canon_dir); | |
24841daa | 10407 | free (debug_filename); |
dda8d76d NC |
10408 | return NULL; |
10409 | ||
10410 | found: | |
10411 | free (canon_dir); | |
10412 | ||
24841daa NC |
10413 | void * debug_handle; |
10414 | ||
dda8d76d | 10415 | /* Now open the file.... */ |
24841daa | 10416 | if ((debug_handle = open_debug_file (debug_filename)) == NULL) |
dda8d76d | 10417 | { |
24841daa NC |
10418 | warn (_("failed to open separate debug file: %s\n"), debug_filename); |
10419 | free (debug_filename); | |
dda8d76d NC |
10420 | return FALSE; |
10421 | } | |
10422 | ||
10423 | /* FIXME: We do not check to see if there are any other separate debug info | |
10424 | files that would also match. */ | |
10425 | ||
24841daa NC |
10426 | printf (_("%s: Found separate debug info file: %s\n\n"), main_filename, debug_filename); |
10427 | add_separate_debug_file (debug_filename, debug_handle); | |
dda8d76d | 10428 | |
24841daa | 10429 | /* Do not free debug_filename - it might be referenced inside |
dda8d76d | 10430 | the structure returned by open_debug_file(). */ |
24841daa | 10431 | return debug_handle; |
dda8d76d NC |
10432 | } |
10433 | ||
d85bf2ba NC |
10434 | /* Attempt to load a separate dwarf object file. */ |
10435 | ||
10436 | static void * | |
24841daa | 10437 | load_dwo_file (const char * main_filename, const char * name, const char * dir, const char * id ATTRIBUTE_UNUSED) |
d85bf2ba | 10438 | { |
24841daa NC |
10439 | char * separate_filename; |
10440 | void * separate_handle; | |
d85bf2ba NC |
10441 | |
10442 | /* FIXME: Skip adding / if dwo_dir ends in /. */ | |
24841daa NC |
10443 | separate_filename = concat (dir, "/", name, NULL); |
10444 | if (separate_filename == NULL) | |
d85bf2ba NC |
10445 | { |
10446 | warn (_("Out of memory allocating dwo filename\n")); | |
10447 | return NULL; | |
10448 | } | |
10449 | ||
24841daa | 10450 | if ((separate_handle = open_debug_file (separate_filename)) == NULL) |
d85bf2ba | 10451 | { |
24841daa NC |
10452 | warn (_("Unable to load dwo file: %s\n"), separate_filename); |
10453 | free (separate_filename); | |
d85bf2ba NC |
10454 | return NULL; |
10455 | } | |
10456 | ||
10457 | /* FIXME: We should check the dwo_id. */ | |
10458 | ||
24841daa NC |
10459 | printf (_("%s: Found separate debug object file: %s\n\n"), main_filename, separate_filename); |
10460 | add_separate_debug_file (separate_filename, separate_handle); | |
10461 | /* Note - separate_filename will be freed in free_debug_memory(). */ | |
10462 | return separate_handle; | |
d85bf2ba NC |
10463 | } |
10464 | ||
24841daa NC |
10465 | /* Load the separate debug info file(s) attached to FILE, if any exist. |
10466 | Returns TRUE if any were found, FALSE otherwise. | |
10467 | If TRUE is returned then the linked list starting at first_separate_info | |
10468 | will be populated with open file handles. */ | |
dda8d76d | 10469 | |
24841daa NC |
10470 | bfd_boolean |
10471 | load_separate_debug_files (void * file, const char * filename) | |
dda8d76d | 10472 | { |
8de3a6e2 NC |
10473 | /* Skip this operation if we are not interested in debug links. */ |
10474 | if (! do_follow_links && ! do_debug_links) | |
24841daa | 10475 | return FALSE; |
8de3a6e2 | 10476 | |
24841daa | 10477 | /* See if there are any dwo links. */ |
d85bf2ba NC |
10478 | if (load_debug_section (str, file) |
10479 | && load_debug_section (abbrev, file) | |
10480 | && load_debug_section (info, file)) | |
10481 | { | |
24841daa | 10482 | free_dwo_info (); |
d85bf2ba NC |
10483 | |
10484 | if (process_debug_info (& debug_displays[info].section, file, abbrev, TRUE, FALSE)) | |
10485 | { | |
24841daa NC |
10486 | bfd_boolean introduced = FALSE; |
10487 | dwo_info * dwinfo; | |
10488 | const char * dir = NULL; | |
10489 | const char * id = NULL; | |
10490 | ||
10491 | for (dwinfo = first_dwo_info; dwinfo != NULL; dwinfo = dwinfo->next) | |
d85bf2ba | 10492 | { |
24841daa | 10493 | switch (dwinfo->type) |
d85bf2ba | 10494 | { |
24841daa NC |
10495 | case DWO_NAME: |
10496 | if (do_debug_links) | |
10497 | { | |
10498 | if (! introduced) | |
10499 | { | |
10500 | printf (_("The %s section contains link(s) to dwo file(s):\n\n"), | |
10501 | debug_displays [info].section.uncompressed_name); | |
10502 | introduced = TRUE; | |
10503 | } | |
d85bf2ba | 10504 | |
24841daa NC |
10505 | printf (_(" Name: %s\n"), dwinfo->value); |
10506 | printf (_(" Directory: %s\n"), dir ? dir : _("<not-found>")); | |
10507 | if (id != NULL) | |
10508 | display_data (printf (_(" ID: ")), (unsigned char *) id, 8); | |
10509 | else | |
10510 | printf (_(" ID: <unknown>\n")); | |
10511 | printf ("\n\n"); | |
10512 | } | |
10513 | ||
10514 | if (do_follow_links) | |
10515 | load_dwo_file (filename, dwinfo->value, dir, id); | |
10516 | break; | |
10517 | ||
10518 | case DWO_DIR: | |
10519 | dir = dwinfo->value; | |
10520 | break; | |
10521 | ||
10522 | case DWO_ID: | |
10523 | id = dwinfo->value; | |
10524 | break; | |
10525 | ||
10526 | default: | |
10527 | error (_("Unexpected DWO INFO type")); | |
10528 | break; | |
10529 | } | |
d85bf2ba NC |
10530 | } |
10531 | } | |
10532 | } | |
10533 | ||
dda8d76d | 10534 | if (! do_follow_links) |
8de3a6e2 NC |
10535 | /* The other debug links will be displayed by display_debug_links() |
10536 | so we do not need to do any further processing here. */ | |
24841daa | 10537 | return FALSE; |
dda8d76d NC |
10538 | |
10539 | /* FIXME: We do not check for the presence of both link sections in the same file. */ | |
10540 | /* FIXME: We do not check the separate debug info file to see if it too contains debuglinks. */ | |
10541 | /* FIXME: We do not check for the presence of multiple, same-name debuglink sections. */ | |
d85bf2ba | 10542 | /* FIXME: We do not check for the presence of a dwo link as well as a debuglink. */ |
dda8d76d | 10543 | |
dda8d76d NC |
10544 | if (load_debug_section (gnu_debugaltlink, file)) |
10545 | { | |
10546 | Build_id_data * build_id_data; | |
10547 | ||
24841daa NC |
10548 | load_separate_debug_info (filename, |
10549 | & debug_displays[gnu_debugaltlink].section, | |
10550 | parse_gnu_debugaltlink, | |
10551 | check_gnu_debugaltlink, | |
10552 | & build_id_data); | |
dda8d76d NC |
10553 | } |
10554 | ||
10555 | if (load_debug_section (gnu_debuglink, file)) | |
10556 | { | |
10557 | unsigned long crc32; | |
10558 | ||
24841daa NC |
10559 | load_separate_debug_info (filename, |
10560 | & debug_displays[gnu_debuglink].section, | |
10561 | parse_gnu_debuglink, | |
10562 | check_gnu_debuglink, | |
10563 | & crc32); | |
dda8d76d NC |
10564 | } |
10565 | ||
24841daa NC |
10566 | if (first_separate_info != NULL) |
10567 | return TRUE; | |
10568 | ||
dda8d76d | 10569 | do_follow_links = 0; |
24841daa | 10570 | return FALSE; |
dda8d76d NC |
10571 | } |
10572 | ||
19e6b90e L |
10573 | void |
10574 | free_debug_memory (void) | |
10575 | { | |
3f5e193b | 10576 | unsigned int i; |
19e6b90e L |
10577 | |
10578 | free_abbrevs (); | |
10579 | ||
10580 | for (i = 0; i < max; i++) | |
3f5e193b | 10581 | free_debug_section ((enum dwarf_section_display_enum) i); |
19e6b90e | 10582 | |
cc86f28f | 10583 | if (debug_information != NULL) |
19e6b90e | 10584 | { |
cc86f28f | 10585 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE) |
19e6b90e | 10586 | { |
cc86f28f | 10587 | for (i = 0; i < num_debug_info_entries; i++) |
19e6b90e | 10588 | { |
cc86f28f NC |
10589 | if (!debug_information [i].max_loc_offsets) |
10590 | { | |
10591 | free (debug_information [i].loc_offsets); | |
10592 | free (debug_information [i].have_frame_base); | |
10593 | } | |
10594 | if (!debug_information [i].max_range_lists) | |
10595 | free (debug_information [i].range_lists); | |
19e6b90e | 10596 | } |
19e6b90e L |
10597 | } |
10598 | free (debug_information); | |
10599 | debug_information = NULL; | |
82b1b41b | 10600 | alloc_num_debug_info_entries = num_debug_info_entries = 0; |
19e6b90e | 10601 | } |
dda8d76d | 10602 | |
24841daa NC |
10603 | separate_info * d; |
10604 | separate_info * next; | |
dda8d76d | 10605 | |
24841daa NC |
10606 | for (d = first_separate_info; d != NULL; d = next) |
10607 | { | |
10608 | close_debug_file (d->handle); | |
10609 | free ((void *) d->filename); | |
10610 | next = d->next; | |
10611 | free ((void *) d); | |
dda8d76d | 10612 | } |
24841daa NC |
10613 | first_separate_info = NULL; |
10614 | ||
10615 | free_dwo_info (); | |
19e6b90e L |
10616 | } |
10617 | ||
4cb93e3b TG |
10618 | void |
10619 | dwarf_select_sections_by_names (const char *names) | |
10620 | { | |
10621 | typedef struct | |
10622 | { | |
10623 | const char * option; | |
10624 | int * variable; | |
f9f0e732 | 10625 | int val; |
4cb93e3b TG |
10626 | } |
10627 | debug_dump_long_opts; | |
10628 | ||
10629 | static const debug_dump_long_opts opts_table [] = | |
10630 | { | |
10631 | /* Please keep this table alpha- sorted. */ | |
10632 | { "Ranges", & do_debug_ranges, 1 }, | |
10633 | { "abbrev", & do_debug_abbrevs, 1 }, | |
657d0d47 | 10634 | { "addr", & do_debug_addr, 1 }, |
4cb93e3b | 10635 | { "aranges", & do_debug_aranges, 1 }, |
657d0d47 CC |
10636 | { "cu_index", & do_debug_cu_index, 1 }, |
10637 | { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED }, | |
dda8d76d | 10638 | { "follow-links", & do_follow_links, 1 }, |
4cb93e3b TG |
10639 | { "frames", & do_debug_frames, 1 }, |
10640 | { "frames-interp", & do_debug_frames_interp, 1 }, | |
657d0d47 CC |
10641 | /* The special .gdb_index section. */ |
10642 | { "gdb_index", & do_gdb_index, 1 }, | |
4cb93e3b TG |
10643 | { "info", & do_debug_info, 1 }, |
10644 | { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */ | |
dda8d76d | 10645 | { "links", & do_debug_links, 1 }, |
4cb93e3b TG |
10646 | { "loc", & do_debug_loc, 1 }, |
10647 | { "macro", & do_debug_macinfo, 1 }, | |
10648 | { "pubnames", & do_debug_pubnames, 1 }, | |
357da287 | 10649 | { "pubtypes", & do_debug_pubtypes, 1 }, |
222c2bf0 | 10650 | /* This entry is for compatibility |
4cb93e3b TG |
10651 | with earlier versions of readelf. */ |
10652 | { "ranges", & do_debug_aranges, 1 }, | |
657d0d47 | 10653 | { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, |
4cb93e3b | 10654 | { "str", & do_debug_str, 1 }, |
6f875884 TG |
10655 | /* These trace_* sections are used by Itanium VMS. */ |
10656 | { "trace_abbrev", & do_trace_abbrevs, 1 }, | |
10657 | { "trace_aranges", & do_trace_aranges, 1 }, | |
10658 | { "trace_info", & do_trace_info, 1 }, | |
4cb93e3b TG |
10659 | { NULL, NULL, 0 } |
10660 | }; | |
10661 | ||
10662 | const char *p; | |
467c65bc | 10663 | |
4cb93e3b TG |
10664 | p = names; |
10665 | while (*p) | |
10666 | { | |
10667 | const debug_dump_long_opts * entry; | |
467c65bc | 10668 | |
4cb93e3b TG |
10669 | for (entry = opts_table; entry->option; entry++) |
10670 | { | |
10671 | size_t len = strlen (entry->option); | |
467c65bc | 10672 | |
4cb93e3b TG |
10673 | if (strncmp (p, entry->option, len) == 0 |
10674 | && (p[len] == ',' || p[len] == '\0')) | |
10675 | { | |
10676 | * entry->variable |= entry->val; | |
467c65bc | 10677 | |
4cb93e3b TG |
10678 | /* The --debug-dump=frames-interp option also |
10679 | enables the --debug-dump=frames option. */ | |
10680 | if (do_debug_frames_interp) | |
10681 | do_debug_frames = 1; | |
10682 | ||
10683 | p += len; | |
10684 | break; | |
10685 | } | |
10686 | } | |
467c65bc | 10687 | |
4cb93e3b TG |
10688 | if (entry->option == NULL) |
10689 | { | |
10690 | warn (_("Unrecognized debug option '%s'\n"), p); | |
10691 | p = strchr (p, ','); | |
10692 | if (p == NULL) | |
10693 | break; | |
10694 | } | |
467c65bc | 10695 | |
4cb93e3b TG |
10696 | if (*p == ',') |
10697 | p++; | |
10698 | } | |
10699 | } | |
10700 | ||
10701 | void | |
10702 | dwarf_select_sections_by_letters (const char *letters) | |
10703 | { | |
91d6fa6a | 10704 | unsigned int lindex = 0; |
4cb93e3b | 10705 | |
91d6fa6a NC |
10706 | while (letters[lindex]) |
10707 | switch (letters[lindex++]) | |
4cb93e3b | 10708 | { |
dda8d76d NC |
10709 | case 'A': do_debug_addr = 1; break; |
10710 | case 'a': do_debug_abbrevs = 1; break; | |
10711 | case 'c': do_debug_cu_index = 1; break; | |
10712 | case 'F': do_debug_frames_interp = 1; /* Fall through. */ | |
10713 | case 'f': do_debug_frames = 1; break; | |
10714 | case 'g': do_gdb_index = 1; break; | |
10715 | case 'i': do_debug_info = 1; break; | |
10716 | case 'K': do_follow_links = 1; break; | |
10717 | case 'k': do_debug_links = 1; break; | |
10718 | case 'l': do_debug_lines |= FLAG_DEBUG_LINES_RAW; break; | |
10719 | case 'L': do_debug_lines |= FLAG_DEBUG_LINES_DECODED; break; | |
10720 | case 'm': do_debug_macinfo = 1; break; | |
10721 | case 'o': do_debug_loc = 1; break; | |
10722 | case 'p': do_debug_pubnames = 1; break; | |
10723 | case 'R': do_debug_ranges = 1; break; | |
10724 | case 'r': do_debug_aranges = 1; break; | |
10725 | case 's': do_debug_str = 1; break; | |
10726 | case 'T': do_trace_aranges = 1; break; | |
10727 | case 't': do_debug_pubtypes = 1; break; | |
10728 | case 'U': do_trace_info = 1; break; | |
10729 | case 'u': do_trace_abbrevs = 1; break; | |
467c65bc | 10730 | |
4cb93e3b | 10731 | default: |
7cc78d07 | 10732 | warn (_("Unrecognized debug option '%s'\n"), letters); |
4cb93e3b TG |
10733 | break; |
10734 | } | |
10735 | } | |
10736 | ||
10737 | void | |
10738 | dwarf_select_sections_all (void) | |
10739 | { | |
10740 | do_debug_info = 1; | |
10741 | do_debug_abbrevs = 1; | |
10742 | do_debug_lines = FLAG_DEBUG_LINES_RAW; | |
10743 | do_debug_pubnames = 1; | |
f9f0e732 | 10744 | do_debug_pubtypes = 1; |
4cb93e3b TG |
10745 | do_debug_aranges = 1; |
10746 | do_debug_ranges = 1; | |
10747 | do_debug_frames = 1; | |
10748 | do_debug_macinfo = 1; | |
10749 | do_debug_str = 1; | |
10750 | do_debug_loc = 1; | |
5bbdf3d5 | 10751 | do_gdb_index = 1; |
6f875884 TG |
10752 | do_trace_info = 1; |
10753 | do_trace_abbrevs = 1; | |
10754 | do_trace_aranges = 1; | |
657d0d47 CC |
10755 | do_debug_addr = 1; |
10756 | do_debug_cu_index = 1; | |
dda8d76d NC |
10757 | do_follow_links = 1; |
10758 | do_debug_links = 1; | |
4cb93e3b TG |
10759 | } |
10760 | ||
dda8d76d NC |
10761 | #define NO_ABBREVS NULL, NULL, NULL, 0, 0, 0, NULL, 0, NULL |
10762 | #define ABBREV(N) NULL, NULL, NULL, 0, 0, N, NULL, 0, NULL | |
10763 | ||
10764 | /* N.B. The order here must match the order in section_display_enum. */ | |
10765 | ||
19e6b90e L |
10766 | struct dwarf_section_display debug_displays[] = |
10767 | { | |
dda8d76d NC |
10768 | { { ".debug_abbrev", ".zdebug_abbrev", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE }, |
10769 | { { ".debug_aranges", ".zdebug_aranges", NO_ABBREVS }, display_debug_aranges, &do_debug_aranges, TRUE }, | |
10770 | { { ".debug_frame", ".zdebug_frame", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE }, | |
10771 | { { ".debug_info", ".zdebug_info", ABBREV (abbrev)}, display_debug_info, &do_debug_info, TRUE }, | |
10772 | { { ".debug_line", ".zdebug_line", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE }, | |
10773 | { { ".debug_pubnames", ".zdebug_pubnames", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubnames, FALSE }, | |
10774 | { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubnames, FALSE }, | |
10775 | { { ".eh_frame", "", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE }, | |
10776 | { { ".debug_macinfo", ".zdebug_macinfo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE }, | |
10777 | { { ".debug_macro", ".zdebug_macro", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE }, | |
10778 | { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE }, | |
10779 | { { ".debug_line_str", ".zdebug_line_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE }, | |
10780 | { { ".debug_loc", ".zdebug_loc", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE }, | |
10781 | { { ".debug_loclists", ".zdebug_loclists", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE }, | |
10782 | { { ".debug_pubtypes", ".zdebug_pubtypes", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubtypes, FALSE }, | |
10783 | { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubtypes, FALSE }, | |
10784 | { { ".debug_ranges", ".zdebug_ranges", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE }, | |
10785 | { { ".debug_rnglists", ".zdebug_rnglists", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE }, | |
10786 | { { ".debug_static_func", ".zdebug_static_func", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE }, | |
10787 | { { ".debug_static_vars", ".zdebug_static_vars", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE }, | |
10788 | { { ".debug_types", ".zdebug_types", ABBREV (abbrev) }, display_debug_types, &do_debug_info, TRUE }, | |
10789 | { { ".debug_weaknames", ".zdebug_weaknames", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE }, | |
10790 | { { ".gdb_index", "", NO_ABBREVS }, display_gdb_index, &do_gdb_index, FALSE }, | |
10791 | { { ".debug_names", "", NO_ABBREVS }, display_debug_names, &do_gdb_index, FALSE }, | |
10792 | { { ".trace_info", "", ABBREV (trace_abbrev) }, display_trace_info, &do_trace_info, TRUE }, | |
10793 | { { ".trace_abbrev", "", NO_ABBREVS }, display_debug_abbrev, &do_trace_abbrevs, FALSE }, | |
10794 | { { ".trace_aranges", "", NO_ABBREVS }, display_debug_aranges, &do_trace_aranges, FALSE }, | |
10795 | { { ".debug_info.dwo", ".zdebug_info.dwo", ABBREV (abbrev_dwo) }, display_debug_info, &do_debug_info, TRUE }, | |
10796 | { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE }, | |
10797 | { { ".debug_types.dwo", ".zdebug_types.dwo", ABBREV (abbrev_dwo) }, display_debug_types, &do_debug_info, TRUE }, | |
10798 | { { ".debug_line.dwo", ".zdebug_line.dwo", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE }, | |
10799 | { { ".debug_loc.dwo", ".zdebug_loc.dwo", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE }, | |
10800 | { { ".debug_macro.dwo", ".zdebug_macro.dwo", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE }, | |
10801 | { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE }, | |
10802 | { { ".debug_str.dwo", ".zdebug_str.dwo", NO_ABBREVS }, display_debug_str, &do_debug_str, TRUE }, | |
10803 | { { ".debug_str_offsets", ".zdebug_str_offsets", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE }, | |
10804 | { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE }, | |
10805 | { { ".debug_addr", ".zdebug_addr", NO_ABBREVS }, display_debug_addr, &do_debug_addr, TRUE }, | |
10806 | { { ".debug_cu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE }, | |
10807 | { { ".debug_tu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE }, | |
10808 | { { ".gnu_debuglink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE }, | |
10809 | { { ".gnu_debugaltlink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE }, | |
10810 | /* Separate debug info files can containt their own .debug_str section, | |
10811 | and this might be in *addition* to a .debug_str section already present | |
10812 | in the main file. Hence we need to have two entries for .debug_str. */ | |
10813 | { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE }, | |
19e6b90e | 10814 | }; |
b451e98a JK |
10815 | |
10816 | /* A static assertion. */ | |
10817 | extern int debug_displays_assert[ARRAY_SIZE (debug_displays) == max ? 1 : -1]; |