Commit | Line | Data |
---|---|---|
19e6b90e | 1 | /* dwarf.c -- display DWARF contents of a BFD binary file |
250d07de | 2 | Copyright (C) 2005-2021 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 | ||
301a9420 AM |
35 | #ifdef HAVE_LIBDEBUGINFOD |
36 | #include <elfutils/debuginfod.h> | |
37 | #endif | |
38 | ||
b9b204b3 AM |
39 | #ifdef HAVE_LIMITS_H |
40 | #include <limits.h> | |
41 | #endif | |
42 | #ifndef CHAR_BIT | |
43 | #define CHAR_BIT 8 | |
44 | #endif | |
45 | ||
61364358 JK |
46 | #undef MAX |
47 | #undef MIN | |
48 | #define MAX(a, b) ((a) > (b) ? (a) : (b)) | |
49 | #define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
19e6b90e | 50 | |
18464d4d | 51 | static const char *regname (unsigned int regno, int row); |
1296bc99 | 52 | static const char *regname_internal_by_table_only (unsigned int regno); |
18464d4d | 53 | |
19e6b90e L |
54 | static int have_frame_base; |
55 | static int need_base_address; | |
56 | ||
19e6b90e | 57 | static unsigned int num_debug_info_entries = 0; |
82b1b41b | 58 | static unsigned int alloc_num_debug_info_entries = 0; |
19e6b90e | 59 | static debug_info *debug_information = NULL; |
cc86f28f NC |
60 | /* Special value for num_debug_info_entries to indicate |
61 | that the .debug_info section could not be loaded/parsed. */ | |
62 | #define DEBUG_INFO_UNAVAILABLE (unsigned int) -1 | |
19e6b90e | 63 | |
24841daa NC |
64 | /* A .debug_info section can contain multiple links to separate |
65 | DWO object files. We use these structures to record these links. */ | |
66 | typedef enum dwo_type | |
67 | { | |
68 | DWO_NAME, | |
69 | DWO_DIR, | |
70 | DWO_ID | |
71 | } dwo_type; | |
72 | ||
73 | typedef struct dwo_info | |
74 | { | |
75 | dwo_type type; | |
76 | const char * value; | |
50ea0877 | 77 | dwarf_vma cu_offset; |
24841daa NC |
78 | struct dwo_info * next; |
79 | } dwo_info; | |
80 | ||
81 | static dwo_info * first_dwo_info = NULL; | |
82 | static bfd_boolean need_dwo_info; | |
83 | ||
84 | separate_info * first_separate_info = NULL; | |
d85bf2ba | 85 | |
77ef8654 | 86 | unsigned int eh_addr_size; |
19e6b90e L |
87 | |
88 | int do_debug_info; | |
89 | int do_debug_abbrevs; | |
90 | int do_debug_lines; | |
91 | int do_debug_pubnames; | |
f9f0e732 | 92 | int do_debug_pubtypes; |
19e6b90e L |
93 | int do_debug_aranges; |
94 | int do_debug_ranges; | |
95 | int do_debug_frames; | |
96 | int do_debug_frames_interp; | |
97 | int do_debug_macinfo; | |
98 | int do_debug_str; | |
e4b7104b | 99 | int do_debug_str_offsets; |
19e6b90e | 100 | int do_debug_loc; |
5bbdf3d5 | 101 | int do_gdb_index; |
6f875884 TG |
102 | int do_trace_info; |
103 | int do_trace_abbrevs; | |
104 | int do_trace_aranges; | |
657d0d47 CC |
105 | int do_debug_addr; |
106 | int do_debug_cu_index; | |
a262ae96 | 107 | int do_wide; |
dda8d76d | 108 | int do_debug_links; |
c46b7066 | 109 | int do_follow_links = DEFAULT_FOR_FOLLOW_LINKS; |
546cb2d8 | 110 | bfd_boolean do_checks; |
19e6b90e | 111 | |
fd2f0033 TT |
112 | int dwarf_cutoff_level = -1; |
113 | unsigned long dwarf_start_die; | |
114 | ||
4723351a CC |
115 | int dwarf_check = 0; |
116 | ||
9f272209 AO |
117 | /* Convenient constant, to avoid having to cast -1 to dwarf_vma when |
118 | testing whether e.g. a locview list is present. */ | |
119 | static const dwarf_vma vm1 = -1; | |
120 | ||
341f9135 CC |
121 | /* Collection of CU/TU section sets from .debug_cu_index and .debug_tu_index |
122 | sections. For version 1 package files, each set is stored in SHNDX_POOL | |
123 | as a zero-terminated list of section indexes comprising one set of debug | |
124 | sections from a .dwo file. */ | |
125 | ||
341f9135 CC |
126 | static unsigned int *shndx_pool = NULL; |
127 | static unsigned int shndx_pool_size = 0; | |
128 | static unsigned int shndx_pool_used = 0; | |
129 | ||
130 | /* For version 2 package files, each set contains an array of section offsets | |
131 | and an array of section sizes, giving the offset and size of the | |
132 | contribution from a CU or TU within one of the debug sections. | |
133 | When displaying debug info from a package file, we need to use these | |
134 | tables to locate the corresponding contributions to each section. */ | |
135 | ||
136 | struct cu_tu_set | |
137 | { | |
ec1b0fbb NC |
138 | uint64_t signature; |
139 | dwarf_vma section_offsets[DW_SECT_MAX]; | |
140 | size_t section_sizes[DW_SECT_MAX]; | |
341f9135 CC |
141 | }; |
142 | ||
143 | static int cu_count = 0; | |
144 | static int tu_count = 0; | |
145 | static struct cu_tu_set *cu_sets = NULL; | |
146 | static struct cu_tu_set *tu_sets = NULL; | |
147 | ||
43a444f9 | 148 | static bfd_boolean load_cu_tu_indexes (void *); |
341f9135 | 149 | |
ec1b0fbb NC |
150 | /* An array that indicates for a given level of CU nesting whether |
151 | the latest DW_AT_type seen for that level was a signed type or | |
152 | an unsigned type. */ | |
153 | #define MAX_CU_NESTING (1 << 8) | |
154 | static bfd_boolean level_type_signed[MAX_CU_NESTING]; | |
155 | ||
4cb93e3b TG |
156 | /* Values for do_debug_lines. */ |
157 | #define FLAG_DEBUG_LINES_RAW 1 | |
158 | #define FLAG_DEBUG_LINES_DECODED 2 | |
159 | ||
77ef8654 | 160 | static unsigned int |
f1c4cc75 RH |
161 | size_of_encoded_value (int encoding) |
162 | { | |
163 | switch (encoding & 0x7) | |
164 | { | |
165 | default: /* ??? */ | |
166 | case 0: return eh_addr_size; | |
167 | case 2: return 2; | |
168 | case 3: return 4; | |
169 | case 4: return 8; | |
170 | } | |
171 | } | |
172 | ||
173 | static dwarf_vma | |
041830e0 | 174 | get_encoded_value (unsigned char **pdata, |
bad62cf5 | 175 | int encoding, |
041830e0 NC |
176 | struct dwarf_section *section, |
177 | unsigned char * end) | |
f1c4cc75 | 178 | { |
041830e0 | 179 | unsigned char * data = * pdata; |
6937bb54 | 180 | unsigned int size = size_of_encoded_value (encoding); |
bad62cf5 | 181 | dwarf_vma val; |
f1c4cc75 | 182 | |
041830e0 NC |
183 | if (data + size >= end) |
184 | { | |
185 | warn (_("Encoded value extends past end of section\n")); | |
186 | * pdata = end; | |
187 | return 0; | |
188 | } | |
189 | ||
6937bb54 NC |
190 | /* PR 17512: file: 002-829853-0.004. */ |
191 | if (size > 8) | |
192 | { | |
193 | warn (_("Encoded size of %d is too large to read\n"), size); | |
194 | * pdata = end; | |
195 | return 0; | |
196 | } | |
197 | ||
0a9d414a NC |
198 | /* PR 17512: file: 1085-5603-0.004. */ |
199 | if (size == 0) | |
200 | { | |
201 | warn (_("Encoded size of 0 is too small to read\n")); | |
202 | * pdata = end; | |
203 | return 0; | |
204 | } | |
205 | ||
f1c4cc75 | 206 | if (encoding & DW_EH_PE_signed) |
bad62cf5 | 207 | val = byte_get_signed (data, size); |
f1c4cc75 | 208 | else |
bad62cf5 AM |
209 | val = byte_get (data, size); |
210 | ||
211 | if ((encoding & 0x70) == DW_EH_PE_pcrel) | |
212 | val += section->address + (data - section->start); | |
041830e0 NC |
213 | |
214 | * pdata = data + size; | |
bad62cf5 | 215 | return val; |
f1c4cc75 RH |
216 | } |
217 | ||
4c219c2e AM |
218 | #if defined HAVE_LONG_LONG && SIZEOF_LONG_LONG > SIZEOF_LONG |
219 | # ifndef __MINGW32__ | |
220 | # define DWARF_VMA_FMT "ll" | |
221 | # define DWARF_VMA_FMT_LONG "%16.16llx" | |
222 | # else | |
223 | # define DWARF_VMA_FMT "I64" | |
224 | # define DWARF_VMA_FMT_LONG "%016I64x" | |
225 | # endif | |
2e14fae2 | 226 | #else |
4c219c2e AM |
227 | # define DWARF_VMA_FMT "l" |
228 | # define DWARF_VMA_FMT_LONG "%16.16lx" | |
2d9472a2 NC |
229 | #endif |
230 | ||
bf5117e3 NC |
231 | /* Convert a dwarf vma value into a string. Returns a pointer to a static |
232 | buffer containing the converted VALUE. The value is converted according | |
233 | to the printf formating character FMTCH. If NUM_BYTES is non-zero then | |
234 | it specifies the maximum number of bytes to be displayed in the converted | |
235 | value and FMTCH is ignored - hex is always used. */ | |
467c65bc | 236 | |
47704ddf | 237 | static const char * |
bf5117e3 | 238 | dwarf_vmatoa_1 (const char *fmtch, dwarf_vma value, unsigned num_bytes) |
47704ddf KT |
239 | { |
240 | /* As dwarf_vmatoa is used more then once in a printf call | |
241 | for output, we are cycling through an fixed array of pointers | |
242 | for return address. */ | |
243 | static int buf_pos = 0; | |
467c65bc NC |
244 | static struct dwarf_vmatoa_buf |
245 | { | |
47704ddf KT |
246 | char place[64]; |
247 | } buf[16]; | |
47704ddf KT |
248 | char *ret; |
249 | ||
47704ddf | 250 | ret = buf[buf_pos++].place; |
467c65bc | 251 | buf_pos %= ARRAY_SIZE (buf); |
47704ddf | 252 | |
bf5117e3 NC |
253 | if (num_bytes) |
254 | { | |
222c2bf0 | 255 | /* Printf does not have a way of specifying a maximum field width for an |
bf5117e3 NC |
256 | integer value, so we print the full value into a buffer and then select |
257 | the precision we need. */ | |
258 | snprintf (ret, sizeof (buf[0].place), DWARF_VMA_FMT_LONG, value); | |
259 | if (num_bytes > 8) | |
260 | num_bytes = 8; | |
261 | return ret + (16 - 2 * num_bytes); | |
262 | } | |
263 | else | |
264 | { | |
265 | char fmt[32]; | |
266 | ||
0bae9e9e NC |
267 | if (fmtch) |
268 | sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch); | |
269 | else | |
270 | sprintf (fmt, "%%%s", DWARF_VMA_FMT); | |
bf5117e3 NC |
271 | snprintf (ret, sizeof (buf[0].place), fmt, value); |
272 | return ret; | |
273 | } | |
274 | } | |
47704ddf | 275 | |
bf5117e3 NC |
276 | static inline const char * |
277 | dwarf_vmatoa (const char * fmtch, dwarf_vma value) | |
278 | { | |
279 | return dwarf_vmatoa_1 (fmtch, value, 0); | |
280 | } | |
281 | ||
282 | /* Print a dwarf_vma value (typically an address, offset or length) in | |
283 | hexadecimal format, followed by a space. The length of the VALUE (and | |
284 | hence the precision displayed) is determined by the NUM_BYTES parameter. */ | |
285 | ||
286 | static void | |
287 | print_dwarf_vma (dwarf_vma value, unsigned num_bytes) | |
288 | { | |
289 | printf ("%s ", dwarf_vmatoa_1 (NULL, value, num_bytes)); | |
47704ddf KT |
290 | } |
291 | ||
9f272209 AO |
292 | /* Print a view number in hexadecimal value, with the same width |
293 | print_dwarf_vma would have printed it with the same num_bytes. | |
294 | Print blanks for zero view, unless force is nonzero. */ | |
295 | ||
296 | static void | |
297 | print_dwarf_view (dwarf_vma value, unsigned num_bytes, int force) | |
298 | { | |
299 | int len; | |
300 | if (!num_bytes) | |
301 | len = 4; | |
302 | else | |
303 | len = num_bytes * 2; | |
304 | ||
305 | assert (value == (unsigned long) value); | |
306 | if (value || force) | |
307 | printf ("v%0*lx ", len - 1, (unsigned long) value); | |
308 | else | |
309 | printf ("%*s", len + 1, ""); | |
310 | } | |
311 | ||
74bc6052 CC |
312 | /* Format a 64-bit value, given as two 32-bit values, in hex. |
313 | For reentrancy, this uses a buffer provided by the caller. */ | |
314 | ||
315 | static const char * | |
316 | dwarf_vmatoa64 (dwarf_vma hvalue, dwarf_vma lvalue, char *buf, | |
317 | unsigned int buf_len) | |
318 | { | |
319 | int len = 0; | |
320 | ||
321 | if (hvalue == 0) | |
322 | snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", lvalue); | |
323 | else | |
324 | { | |
325 | len = snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", hvalue); | |
326 | snprintf (buf + len, buf_len - len, | |
327 | "%08" DWARF_VMA_FMT "x", lvalue); | |
328 | } | |
329 | ||
330 | return buf; | |
331 | } | |
332 | ||
f6f0e17b NC |
333 | /* Read in a LEB128 encoded value starting at address DATA. |
334 | If SIGN is true, return a signed LEB128 value. | |
335 | If LENGTH_RETURN is not NULL, return in it the number of bytes read. | |
b9b204b3 | 336 | If STATUS_RETURN is not NULL, return with bit 0 (LSB) set if the |
cd30bcef AM |
337 | terminating byte was not found and with bit 1 set if the value |
338 | overflows a dwarf_vma. | |
f6f0e17b NC |
339 | No bytes will be read at address END or beyond. */ |
340 | ||
467c65bc | 341 | dwarf_vma |
f6f0e17b | 342 | read_leb128 (unsigned char *data, |
cd30bcef | 343 | const unsigned char *const end, |
f6f0e17b | 344 | bfd_boolean sign, |
cd30bcef AM |
345 | unsigned int *length_return, |
346 | int *status_return) | |
19e6b90e | 347 | { |
467c65bc | 348 | dwarf_vma result = 0; |
19e6b90e L |
349 | unsigned int num_read = 0; |
350 | unsigned int shift = 0; | |
cd30bcef | 351 | int status = 1; |
19e6b90e | 352 | |
f6f0e17b | 353 | while (data < end) |
19e6b90e | 354 | { |
cd30bcef | 355 | unsigned char byte = *data++; |
b9b204b3 | 356 | unsigned char lost, mask; |
08d7da7d | 357 | |
19e6b90e L |
358 | num_read++; |
359 | ||
b9b204b3 | 360 | if (shift < CHAR_BIT * sizeof (result)) |
cd30bcef | 361 | { |
b9b204b3 AM |
362 | result |= ((dwarf_vma) (byte & 0x7f)) << shift; |
363 | /* These bits overflowed. */ | |
364 | lost = byte ^ (result >> shift); | |
365 | /* And this is the mask of possible overflow bits. */ | |
366 | mask = 0x7f ^ ((dwarf_vma) 0x7f << shift >> shift); | |
cd30bcef AM |
367 | shift += 7; |
368 | } | |
b9b204b3 | 369 | else |
08d7da7d | 370 | { |
b9b204b3 AM |
371 | lost = byte; |
372 | mask = 0x7f; | |
08d7da7d | 373 | } |
b9b204b3 AM |
374 | if ((lost & mask) != (sign && (dwarf_signed_vma) result < 0 ? mask : 0)) |
375 | status |= 2; | |
19e6b90e | 376 | |
b9b204b3 | 377 | if ((byte & 0x80) == 0) |
cd30bcef AM |
378 | { |
379 | status &= ~1; | |
b9b204b3 | 380 | if (sign && shift < CHAR_BIT * sizeof (result) && (byte & 0x40)) |
cd30bcef AM |
381 | result |= -((dwarf_vma) 1 << shift); |
382 | break; | |
383 | } | |
19e6b90e | 384 | } |
19e6b90e L |
385 | |
386 | if (length_return != NULL) | |
387 | *length_return = num_read; | |
cd30bcef AM |
388 | if (status_return != NULL) |
389 | *status_return = status; | |
19e6b90e L |
390 | |
391 | return result; | |
392 | } | |
393 | ||
d11ae95e NC |
394 | /* Read AMOUNT bytes from PTR and store them in VAL as an unsigned value. |
395 | Checks to make sure that the read will not reach or pass END | |
396 | and that VAL is big enough to hold AMOUNT bytes. */ | |
0c588247 NC |
397 | #define SAFE_BYTE_GET(VAL, PTR, AMOUNT, END) \ |
398 | do \ | |
399 | { \ | |
400 | unsigned int amount = (AMOUNT); \ | |
34b9f729 NC |
401 | if (sizeof (VAL) < amount) \ |
402 | { \ | |
d3a49aa8 AM |
403 | error (ngettext ("internal error: attempt to read %d byte " \ |
404 | "of data in to %d sized variable", \ | |
405 | "internal error: attempt to read %d bytes " \ | |
406 | "of data in to %d sized variable", \ | |
407 | amount), \ | |
34b9f729 NC |
408 | amount, (int) sizeof (VAL)); \ |
409 | amount = sizeof (VAL); \ | |
410 | } \ | |
0c588247 NC |
411 | if (((PTR) + amount) >= (END)) \ |
412 | { \ | |
413 | if ((PTR) < (END)) \ | |
414 | amount = (END) - (PTR); \ | |
415 | else \ | |
416 | amount = 0; \ | |
417 | } \ | |
6937bb54 | 418 | if (amount == 0 || amount > 8) \ |
0c588247 | 419 | VAL = 0; \ |
6937bb54 NC |
420 | else \ |
421 | VAL = byte_get ((PTR), amount); \ | |
0c588247 NC |
422 | } \ |
423 | while (0) | |
424 | ||
d11ae95e | 425 | /* Like SAFE_BYTE_GET, but also increments PTR by AMOUNT. */ |
0c588247 NC |
426 | #define SAFE_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \ |
427 | do \ | |
428 | { \ | |
429 | SAFE_BYTE_GET (VAL, PTR, AMOUNT, END); \ | |
430 | PTR += AMOUNT; \ | |
431 | } \ | |
432 | while (0) | |
433 | ||
d11ae95e | 434 | /* Like SAFE_BYTE_GET, but reads a signed value. */ |
0c588247 NC |
435 | #define SAFE_SIGNED_BYTE_GET(VAL, PTR, AMOUNT, END) \ |
436 | do \ | |
437 | { \ | |
438 | unsigned int amount = (AMOUNT); \ | |
439 | if (((PTR) + amount) >= (END)) \ | |
440 | { \ | |
441 | if ((PTR) < (END)) \ | |
442 | amount = (END) - (PTR); \ | |
443 | else \ | |
444 | amount = 0; \ | |
445 | } \ | |
446 | if (amount) \ | |
447 | VAL = byte_get_signed ((PTR), amount); \ | |
448 | else \ | |
449 | VAL = 0; \ | |
450 | } \ | |
451 | while (0) | |
452 | ||
d11ae95e | 453 | /* Like SAFE_SIGNED_BYTE_GET, but also increments PTR by AMOUNT. */ |
0c588247 NC |
454 | #define SAFE_SIGNED_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \ |
455 | do \ | |
456 | { \ | |
457 | SAFE_SIGNED_BYTE_GET (VAL, PTR, AMOUNT, END); \ | |
458 | PTR += AMOUNT; \ | |
459 | } \ | |
460 | while (0) | |
461 | ||
462 | #define SAFE_BYTE_GET64(PTR, HIGH, LOW, END) \ | |
463 | do \ | |
464 | { \ | |
87bc83b3 | 465 | if (((PTR) + 8) <= (END)) \ |
0c588247 NC |
466 | { \ |
467 | byte_get_64 ((PTR), (HIGH), (LOW)); \ | |
468 | } \ | |
469 | else \ | |
470 | { \ | |
0c588247 NC |
471 | * (LOW) = * (HIGH) = 0; \ |
472 | } \ | |
473 | } \ | |
474 | while (0) | |
475 | ||
19e6b90e L |
476 | typedef struct State_Machine_Registers |
477 | { | |
467c65bc | 478 | dwarf_vma address; |
ba8826a8 | 479 | unsigned int view; |
19e6b90e L |
480 | unsigned int file; |
481 | unsigned int line; | |
482 | unsigned int column; | |
483 | int is_stmt; | |
484 | int basic_block; | |
a233b20c JJ |
485 | unsigned char op_index; |
486 | unsigned char end_sequence; | |
ba8826a8 AO |
487 | /* This variable hold the number of the last entry seen |
488 | in the File Table. */ | |
19e6b90e L |
489 | unsigned int last_file_entry; |
490 | } SMR; | |
491 | ||
492 | static SMR state_machine_regs; | |
493 | ||
494 | static void | |
495 | reset_state_machine (int is_stmt) | |
496 | { | |
497 | state_machine_regs.address = 0; | |
ba8826a8 | 498 | state_machine_regs.view = 0; |
a233b20c | 499 | state_machine_regs.op_index = 0; |
19e6b90e L |
500 | state_machine_regs.file = 1; |
501 | state_machine_regs.line = 1; | |
502 | state_machine_regs.column = 0; | |
503 | state_machine_regs.is_stmt = is_stmt; | |
504 | state_machine_regs.basic_block = 0; | |
505 | state_machine_regs.end_sequence = 0; | |
506 | state_machine_regs.last_file_entry = 0; | |
507 | } | |
508 | ||
509 | /* Handled an extend line op. | |
510 | Returns the number of bytes read. */ | |
511 | ||
cd30bcef | 512 | static size_t |
f6f0e17b NC |
513 | process_extended_line_op (unsigned char * data, |
514 | int is_stmt, | |
515 | unsigned char * end) | |
19e6b90e L |
516 | { |
517 | unsigned char op_code; | |
cd30bcef | 518 | size_t len, header_len; |
19e6b90e | 519 | unsigned char *name; |
143a3db0 | 520 | unsigned char *orig_data = data; |
cd30bcef | 521 | dwarf_vma adr, val; |
19e6b90e | 522 | |
cd30bcef AM |
523 | READ_ULEB (len, data, end); |
524 | header_len = data - orig_data; | |
19e6b90e | 525 | |
cd30bcef | 526 | if (len == 0 || data == end || len > (size_t) (end - data)) |
19e6b90e | 527 | { |
f41e4712 | 528 | warn (_("Badly formed extended line op encountered!\n")); |
cd30bcef | 529 | return header_len; |
19e6b90e L |
530 | } |
531 | ||
19e6b90e L |
532 | op_code = *data++; |
533 | ||
534 | printf (_(" Extended opcode %d: "), op_code); | |
535 | ||
536 | switch (op_code) | |
537 | { | |
538 | case DW_LNE_end_sequence: | |
539 | printf (_("End of Sequence\n\n")); | |
540 | reset_state_machine (is_stmt); | |
541 | break; | |
542 | ||
543 | case DW_LNE_set_address: | |
6937bb54 | 544 | /* PR 17512: file: 002-100480-0.004. */ |
cd30bcef | 545 | if (len - 1 > 8) |
77ef8654 | 546 | { |
cd30bcef AM |
547 | warn (_("Length (%lu) of DW_LNE_set_address op is too long\n"), |
548 | (unsigned long) len - 1); | |
77ef8654 NC |
549 | adr = 0; |
550 | } | |
551 | else | |
cd30bcef | 552 | SAFE_BYTE_GET (adr, data, len - 1, end); |
47704ddf | 553 | printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr)); |
19e6b90e | 554 | state_machine_regs.address = adr; |
ba8826a8 | 555 | state_machine_regs.view = 0; |
a233b20c | 556 | state_machine_regs.op_index = 0; |
19e6b90e L |
557 | break; |
558 | ||
559 | case DW_LNE_define_file: | |
143a3db0 | 560 | printf (_("define new File Table entry\n")); |
19e6b90e | 561 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); |
cc5914eb | 562 | printf (" %d\t", ++state_machine_regs.last_file_entry); |
f6f0e17b | 563 | |
d949ff56 NC |
564 | { |
565 | size_t l; | |
566 | ||
567 | name = data; | |
568 | l = strnlen ((char *) data, end - data); | |
cd30bcef AM |
569 | data += l + 1; |
570 | READ_ULEB (val, data, end); | |
571 | printf ("%s\t", dwarf_vmatoa ("u", val)); | |
572 | READ_ULEB (val, data, end); | |
573 | printf ("%s\t", dwarf_vmatoa ("u", val)); | |
574 | READ_ULEB (val, data, end); | |
575 | printf ("%s\t", dwarf_vmatoa ("u", val)); | |
d949ff56 NC |
576 | printf ("%.*s\n\n", (int) l, name); |
577 | } | |
f6f0e17b | 578 | |
cd30bcef | 579 | if (((size_t) (data - orig_data) != len + header_len) || data == end) |
b4eb7656 | 580 | warn (_("DW_LNE_define_file: Bad opcode length\n")); |
19e6b90e L |
581 | break; |
582 | ||
ed4a4bdf | 583 | case DW_LNE_set_discriminator: |
cd30bcef AM |
584 | READ_ULEB (val, data, end); |
585 | printf (_("set Discriminator to %s\n"), dwarf_vmatoa ("u", val)); | |
ed4a4bdf CC |
586 | break; |
587 | ||
e2a0d921 NC |
588 | /* HP extensions. */ |
589 | case DW_LNE_HP_negate_is_UV_update: | |
ed4a4bdf | 590 | printf ("DW_LNE_HP_negate_is_UV_update\n"); |
e2a0d921 NC |
591 | break; |
592 | case DW_LNE_HP_push_context: | |
ed4a4bdf | 593 | printf ("DW_LNE_HP_push_context\n"); |
e2a0d921 NC |
594 | break; |
595 | case DW_LNE_HP_pop_context: | |
ed4a4bdf | 596 | printf ("DW_LNE_HP_pop_context\n"); |
e2a0d921 NC |
597 | break; |
598 | case DW_LNE_HP_set_file_line_column: | |
ed4a4bdf | 599 | printf ("DW_LNE_HP_set_file_line_column\n"); |
e2a0d921 NC |
600 | break; |
601 | case DW_LNE_HP_set_routine_name: | |
ed4a4bdf | 602 | printf ("DW_LNE_HP_set_routine_name\n"); |
e2a0d921 NC |
603 | break; |
604 | case DW_LNE_HP_set_sequence: | |
ed4a4bdf | 605 | printf ("DW_LNE_HP_set_sequence\n"); |
e2a0d921 NC |
606 | break; |
607 | case DW_LNE_HP_negate_post_semantics: | |
ed4a4bdf | 608 | printf ("DW_LNE_HP_negate_post_semantics\n"); |
e2a0d921 NC |
609 | break; |
610 | case DW_LNE_HP_negate_function_exit: | |
ed4a4bdf | 611 | printf ("DW_LNE_HP_negate_function_exit\n"); |
e2a0d921 NC |
612 | break; |
613 | case DW_LNE_HP_negate_front_end_logical: | |
ed4a4bdf | 614 | printf ("DW_LNE_HP_negate_front_end_logical\n"); |
e2a0d921 NC |
615 | break; |
616 | case DW_LNE_HP_define_proc: | |
ed4a4bdf | 617 | printf ("DW_LNE_HP_define_proc\n"); |
e2a0d921 | 618 | break; |
43294ab7 TG |
619 | case DW_LNE_HP_source_file_correlation: |
620 | { | |
cd30bcef | 621 | unsigned char *edata = data + len - 1; |
b4eb7656 AM |
622 | |
623 | printf ("DW_LNE_HP_source_file_correlation\n"); | |
624 | ||
625 | while (data < edata) | |
626 | { | |
627 | unsigned int opc; | |
628 | ||
cd30bcef | 629 | READ_ULEB (opc, data, edata); |
b4eb7656 AM |
630 | |
631 | switch (opc) | |
632 | { | |
633 | case DW_LNE_HP_SFC_formfeed: | |
634 | printf (" DW_LNE_HP_SFC_formfeed\n"); | |
635 | break; | |
636 | case DW_LNE_HP_SFC_set_listing_line: | |
cd30bcef | 637 | READ_ULEB (val, data, edata); |
b4eb7656 | 638 | printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n", |
cd30bcef | 639 | dwarf_vmatoa ("u", val)); |
b4eb7656 AM |
640 | break; |
641 | case DW_LNE_HP_SFC_associate: | |
642 | printf (" DW_LNE_HP_SFC_associate "); | |
cd30bcef AM |
643 | READ_ULEB (val, data, edata); |
644 | printf ("(%s", dwarf_vmatoa ("u", val)); | |
645 | READ_ULEB (val, data, edata); | |
646 | printf (",%s", dwarf_vmatoa ("u", val)); | |
647 | READ_ULEB (val, data, edata); | |
648 | printf (",%s)\n", dwarf_vmatoa ("u", val)); | |
b4eb7656 AM |
649 | break; |
650 | default: | |
651 | printf (_(" UNKNOWN DW_LNE_HP_SFC opcode (%u)\n"), opc); | |
652 | data = edata; | |
653 | break; | |
654 | } | |
655 | } | |
43294ab7 TG |
656 | } |
657 | break; | |
cecf136e | 658 | |
19e6b90e | 659 | default: |
7e665af3 | 660 | { |
cd30bcef | 661 | unsigned int rlen = len - 1; |
b4eb7656 AM |
662 | |
663 | if (op_code >= DW_LNE_lo_user | |
664 | /* The test against DW_LNW_hi_user is redundant due to | |
665 | the limited range of the unsigned char data type used | |
666 | for op_code. */ | |
667 | /*&& op_code <= DW_LNE_hi_user*/) | |
668 | printf (_("user defined: ")); | |
669 | else | |
670 | printf (_("UNKNOWN: ")); | |
671 | printf (_("length %d ["), rlen); | |
672 | for (; rlen; rlen--) | |
673 | printf (" %02x", *data++); | |
674 | printf ("]\n"); | |
7e665af3 | 675 | } |
19e6b90e L |
676 | break; |
677 | } | |
678 | ||
cd30bcef | 679 | return len + header_len; |
19e6b90e L |
680 | } |
681 | ||
0c588247 | 682 | static const unsigned char * |
467c65bc | 683 | fetch_indirect_string (dwarf_vma offset) |
19e6b90e L |
684 | { |
685 | struct dwarf_section *section = &debug_displays [str].section; | |
d949ff56 | 686 | const unsigned char * ret; |
19e6b90e L |
687 | |
688 | if (section->start == NULL) | |
0c588247 | 689 | return (const unsigned char *) _("<no .debug_str section>"); |
19e6b90e | 690 | |
d949ff56 | 691 | if (offset >= section->size) |
19e6b90e | 692 | { |
467c65bc NC |
693 | warn (_("DW_FORM_strp offset too big: %s\n"), |
694 | dwarf_vmatoa ("x", offset)); | |
0c588247 | 695 | return (const unsigned char *) _("<offset is too big>"); |
19e6b90e L |
696 | } |
697 | ||
d949ff56 NC |
698 | ret = section->start + offset; |
699 | /* Unfortunately we cannot rely upon the .debug_str section ending with a | |
700 | NUL byte. Since our caller is expecting to receive a well formed C | |
701 | string we test for the lack of a terminating byte here. */ | |
702 | if (strnlen ((const char *) ret, section->size - offset) | |
703 | == section->size - offset) | |
704 | ret = (const unsigned char *) | |
705 | _("<no NUL byte at end of .debug_str section>"); | |
706 | ||
521d4b19 | 707 | return ret; |
19e6b90e L |
708 | } |
709 | ||
77145576 JK |
710 | static const unsigned char * |
711 | fetch_indirect_line_string (dwarf_vma offset) | |
712 | { | |
713 | struct dwarf_section *section = &debug_displays [line_str].section; | |
d949ff56 | 714 | const unsigned char * ret; |
77145576 JK |
715 | |
716 | if (section->start == NULL) | |
717 | return (const unsigned char *) _("<no .debug_line_str section>"); | |
718 | ||
d949ff56 | 719 | if (offset >= section->size) |
77145576 JK |
720 | { |
721 | warn (_("DW_FORM_line_strp offset too big: %s\n"), | |
722 | dwarf_vmatoa ("x", offset)); | |
723 | return (const unsigned char *) _("<offset is too big>"); | |
724 | } | |
725 | ||
d949ff56 NC |
726 | ret = section->start + offset; |
727 | /* Unfortunately we cannot rely upon the .debug_line_str section ending | |
728 | with a NUL byte. Since our caller is expecting to receive a well formed | |
729 | C string we test for the lack of a terminating byte here. */ | |
730 | if (strnlen ((const char *) ret, section->size - offset) | |
731 | == section->size - offset) | |
732 | ret = (const unsigned char *) | |
733 | _("<no NUL byte at end of .debug_line_str section>"); | |
734 | ||
735 | return ret; | |
77145576 JK |
736 | } |
737 | ||
4723351a | 738 | static const char * |
341f9135 | 739 | fetch_indexed_string (dwarf_vma idx, struct cu_tu_set *this_set, |
d85bf2ba | 740 | dwarf_vma offset_size, bfd_boolean dwo) |
4723351a CC |
741 | { |
742 | enum dwarf_section_display_enum str_sec_idx = dwo ? str_dwo : str; | |
743 | enum dwarf_section_display_enum idx_sec_idx = dwo ? str_index_dwo : str_index; | |
744 | struct dwarf_section *index_section = &debug_displays [idx_sec_idx].section; | |
745 | struct dwarf_section *str_section = &debug_displays [str_sec_idx].section; | |
e4b7104b | 746 | dwarf_vma index_offset; |
4723351a | 747 | dwarf_vma str_offset; |
d949ff56 | 748 | const char * ret; |
e4b7104b NC |
749 | unsigned char *curr = index_section->start; |
750 | const unsigned char *end = curr + index_section->size; | |
751 | dwarf_vma length; | |
4723351a CC |
752 | |
753 | if (index_section->start == NULL) | |
754 | return (dwo ? _("<no .debug_str_offsets.dwo section>") | |
755 | : _("<no .debug_str_offsets section>")); | |
756 | ||
e4b7104b NC |
757 | if (str_section->start == NULL) |
758 | return (dwo ? _("<no .debug_str.dwo section>") | |
759 | : _("<no .debug_str section>")); | |
760 | ||
761 | /* FIXME: We should cache the length... */ | |
762 | SAFE_BYTE_GET_AND_INC (length, curr, 4, end); | |
763 | if (length == 0xffffffff) | |
764 | { | |
765 | if (offset_size != 8) | |
39f381cb | 766 | warn (_("Expected offset size of 8 but given %s"), dwarf_vmatoa ("x", offset_size)); |
e4b7104b NC |
767 | SAFE_BYTE_GET_AND_INC (length, curr, 8, end); |
768 | } | |
769 | else if (offset_size != 4) | |
770 | { | |
39f381cb | 771 | warn (_("Expected offset size of 4 but given %s"), dwarf_vmatoa ("x", offset_size)); |
e4b7104b NC |
772 | } |
773 | ||
39f381cb | 774 | if (length == 0) |
e4b7104b | 775 | { |
39f381cb NC |
776 | /* This is probably an old style .debug_str_offset section which |
777 | just contains offsets and no header (and the first offset is 0). */ | |
778 | curr = index_section->start; | |
779 | length = index_section->size; | |
780 | } | |
781 | else | |
782 | { | |
783 | /* Skip the version and padding bytes. | |
784 | We assume that they are correct. */ | |
785 | curr += 4; | |
786 | ||
787 | /* FIXME: The code below assumes that there is only one table | |
788 | in the .debug_str_offsets section, so check that now. */ | |
789 | if ((offset_size == 4 && curr + length < (end - 8)) | |
790 | || (offset_size == 8 && curr + length < (end - 16))) | |
791 | { | |
792 | warn (_("index table size is too small %s vs %s\n"), | |
793 | dwarf_vmatoa ("x", length), | |
794 | dwarf_vmatoa ("x", index_section->size)); | |
795 | return _("<table too small>"); | |
796 | } | |
e4b7104b NC |
797 | } |
798 | ||
799 | index_offset = idx * offset_size; | |
521d4b19 | 800 | |
341f9135 CC |
801 | if (this_set != NULL) |
802 | index_offset += this_set->section_offsets [DW_SECT_STR_OFFSETS]; | |
e4b7104b NC |
803 | |
804 | if (index_offset >= length) | |
4723351a | 805 | { |
e4b7104b NC |
806 | warn (_("DW_FORM_GNU_str_index offset too big: %s vs %s\n"), |
807 | dwarf_vmatoa ("x", index_offset), | |
808 | dwarf_vmatoa ("x", length)); | |
4723351a CC |
809 | return _("<index offset is too big>"); |
810 | } | |
811 | ||
e4b7104b | 812 | str_offset = byte_get (curr + index_offset, offset_size); |
4723351a | 813 | str_offset -= str_section->address; |
d949ff56 | 814 | if (str_offset >= str_section->size) |
4723351a CC |
815 | { |
816 | warn (_("DW_FORM_GNU_str_index indirect offset too big: %s\n"), | |
817 | dwarf_vmatoa ("x", str_offset)); | |
818 | return _("<indirect index offset is too big>"); | |
819 | } | |
820 | ||
d949ff56 NC |
821 | ret = (const char *) str_section->start + str_offset; |
822 | /* Unfortunately we cannot rely upon str_section ending with a NUL byte. | |
823 | Since our caller is expecting to receive a well formed C string we test | |
824 | for the lack of a terminating byte here. */ | |
825 | if (strnlen (ret, str_section->size - str_offset) | |
826 | == str_section->size - str_offset) | |
827 | ret = (const char *) _("<no NUL byte at end of section>"); | |
828 | ||
829 | return ret; | |
4723351a CC |
830 | } |
831 | ||
832 | static const char * | |
833 | fetch_indexed_value (dwarf_vma offset, dwarf_vma bytes) | |
834 | { | |
835 | struct dwarf_section *section = &debug_displays [debug_addr].section; | |
836 | ||
837 | if (section->start == NULL) | |
838 | return (_("<no .debug_addr section>")); | |
839 | ||
840 | if (offset + bytes > section->size) | |
841 | { | |
842 | warn (_("Offset into section %s too big: %s\n"), | |
b4eb7656 | 843 | section->name, dwarf_vmatoa ("x", offset)); |
4723351a CC |
844 | return "<offset too big>"; |
845 | } | |
846 | ||
847 | return dwarf_vmatoa ("x", byte_get (section->start + offset, bytes)); | |
848 | } | |
849 | ||
850 | ||
19e6b90e L |
851 | /* FIXME: There are better and more efficient ways to handle |
852 | these structures. For now though, I just want something that | |
853 | is simple to implement. */ | |
bcd213b2 | 854 | /* Records a single attribute in an abbrev. */ |
19e6b90e L |
855 | typedef struct abbrev_attr |
856 | { | |
bcd213b2 NC |
857 | unsigned long attribute; |
858 | unsigned long form; | |
859 | bfd_signed_vma implicit_const; | |
860 | struct abbrev_attr * next; | |
19e6b90e L |
861 | } |
862 | abbrev_attr; | |
863 | ||
bcd213b2 | 864 | /* Records a single abbrev. */ |
19e6b90e L |
865 | typedef struct abbrev_entry |
866 | { | |
bcd213b2 NC |
867 | unsigned long number; |
868 | unsigned long tag; | |
869 | int children; | |
870 | struct abbrev_attr * first_attr; | |
871 | struct abbrev_attr * last_attr; | |
872 | struct abbrev_entry * next; | |
19e6b90e L |
873 | } |
874 | abbrev_entry; | |
875 | ||
bcd213b2 NC |
876 | /* Records a set of abbreviations. */ |
877 | typedef struct abbrev_list | |
878 | { | |
879 | abbrev_entry * first_abbrev; | |
880 | abbrev_entry * last_abbrev; | |
76868f36 | 881 | dwarf_vma abbrev_base; |
bcd213b2 NC |
882 | dwarf_vma abbrev_offset; |
883 | struct abbrev_list * next; | |
884 | unsigned char * start_of_next_abbrevs; | |
885 | } | |
886 | abbrev_list; | |
887 | ||
888 | /* Records all the abbrevs found so far. */ | |
889 | static struct abbrev_list * abbrev_lists = NULL; | |
890 | ||
891 | typedef struct abbrev_map | |
892 | { | |
893 | dwarf_vma start; | |
894 | dwarf_vma end; | |
895 | abbrev_list * list; | |
896 | } abbrev_map; | |
897 | ||
898 | /* Maps between CU offsets and abbrev sets. */ | |
899 | static abbrev_map * cu_abbrev_map = NULL; | |
900 | static unsigned long num_abbrev_map_entries = 0; | |
901 | static unsigned long next_free_abbrev_map_entry = 0; | |
902 | ||
903 | #define INITIAL_NUM_ABBREV_MAP_ENTRIES 8 | |
904 | #define ABBREV_MAP_ENTRIES_INCREMENT 8 | |
905 | ||
906 | static void | |
907 | record_abbrev_list_for_cu (dwarf_vma start, dwarf_vma end, abbrev_list * list) | |
908 | { | |
909 | if (cu_abbrev_map == NULL) | |
910 | { | |
911 | num_abbrev_map_entries = INITIAL_NUM_ABBREV_MAP_ENTRIES; | |
912 | cu_abbrev_map = xmalloc (num_abbrev_map_entries * sizeof (* cu_abbrev_map)); | |
913 | } | |
914 | else if (next_free_abbrev_map_entry == num_abbrev_map_entries) | |
915 | { | |
916 | num_abbrev_map_entries += ABBREV_MAP_ENTRIES_INCREMENT; | |
917 | cu_abbrev_map = xrealloc (cu_abbrev_map, num_abbrev_map_entries * sizeof (* cu_abbrev_map)); | |
918 | } | |
919 | ||
920 | cu_abbrev_map[next_free_abbrev_map_entry].start = start; | |
921 | cu_abbrev_map[next_free_abbrev_map_entry].end = end; | |
922 | cu_abbrev_map[next_free_abbrev_map_entry].list = list; | |
923 | next_free_abbrev_map_entry ++; | |
924 | } | |
19e6b90e L |
925 | |
926 | static void | |
bcd213b2 | 927 | free_all_abbrevs (void) |
19e6b90e | 928 | { |
bcd213b2 | 929 | abbrev_list * list; |
19e6b90e | 930 | |
bcd213b2 | 931 | for (list = abbrev_lists; list != NULL;) |
19e6b90e | 932 | { |
bcd213b2 NC |
933 | abbrev_list * next = list->next; |
934 | abbrev_entry * abbrv; | |
19e6b90e | 935 | |
bcd213b2 | 936 | for (abbrv = list->first_abbrev; abbrv != NULL;) |
19e6b90e | 937 | { |
bcd213b2 NC |
938 | abbrev_entry * next_abbrev = abbrv->next; |
939 | abbrev_attr * attr; | |
940 | ||
941 | for (attr = abbrv->first_attr; attr;) | |
942 | { | |
943 | abbrev_attr *next_attr = attr->next; | |
19e6b90e | 944 | |
bcd213b2 NC |
945 | free (attr); |
946 | attr = next_attr; | |
947 | } | |
948 | ||
949 | free (abbrv); | |
950 | abbrv = next_abbrev; | |
19e6b90e L |
951 | } |
952 | ||
bcd213b2 NC |
953 | free (list); |
954 | list = next; | |
19e6b90e L |
955 | } |
956 | ||
bcd213b2 NC |
957 | abbrev_lists = NULL; |
958 | } | |
959 | ||
960 | static abbrev_list * | |
76868f36 | 961 | new_abbrev_list (dwarf_vma abbrev_base, dwarf_vma abbrev_offset) |
bcd213b2 NC |
962 | { |
963 | abbrev_list * list = (abbrev_list *) xcalloc (sizeof * list, 1); | |
964 | ||
76868f36 | 965 | list->abbrev_base = abbrev_base; |
bcd213b2 NC |
966 | list->abbrev_offset = abbrev_offset; |
967 | ||
968 | list->next = abbrev_lists; | |
969 | abbrev_lists = list; | |
970 | ||
971 | return list; | |
972 | } | |
973 | ||
974 | static abbrev_list * | |
76868f36 L |
975 | find_abbrev_list_by_abbrev_offset (dwarf_vma abbrev_base, |
976 | dwarf_vma abbrev_offset) | |
bcd213b2 NC |
977 | { |
978 | abbrev_list * list; | |
979 | ||
980 | for (list = abbrev_lists; list != NULL; list = list->next) | |
76868f36 L |
981 | if (list->abbrev_base == abbrev_base |
982 | && list->abbrev_offset == abbrev_offset) | |
bcd213b2 NC |
983 | return list; |
984 | ||
985 | return NULL; | |
986 | } | |
987 | ||
988 | /* Find the abbreviation map for the CU that includes OFFSET. | |
989 | OFFSET is an absolute offset from the start of the .debug_info section. */ | |
990 | /* FIXME: This function is going to slow down readelf & objdump. | |
991 | Consider using a better algorithm to mitigate this effect. */ | |
992 | ||
993 | static abbrev_map * | |
994 | find_abbrev_map_by_offset (dwarf_vma offset) | |
995 | { | |
996 | unsigned long i; | |
997 | ||
998 | for (i = 0; i < next_free_abbrev_map_entry; i++) | |
999 | if (cu_abbrev_map[i].start <= offset | |
1000 | && cu_abbrev_map[i].end > offset) | |
1001 | return cu_abbrev_map + i; | |
1002 | ||
1003 | return NULL; | |
19e6b90e L |
1004 | } |
1005 | ||
1006 | static void | |
bcd213b2 NC |
1007 | add_abbrev (unsigned long number, |
1008 | unsigned long tag, | |
1009 | int children, | |
1010 | abbrev_list * list) | |
19e6b90e | 1011 | { |
bcd213b2 | 1012 | abbrev_entry * entry; |
19e6b90e | 1013 | |
bcd213b2 | 1014 | entry = (abbrev_entry *) xmalloc (sizeof (*entry)); |
19e6b90e | 1015 | |
bcd213b2 | 1016 | entry->number = number; |
19e6b90e L |
1017 | entry->tag = tag; |
1018 | entry->children = children; | |
1019 | entry->first_attr = NULL; | |
1020 | entry->last_attr = NULL; | |
1021 | entry->next = NULL; | |
1022 | ||
bcd213b2 NC |
1023 | assert (list != NULL); |
1024 | ||
1025 | if (list->first_abbrev == NULL) | |
1026 | list->first_abbrev = entry; | |
19e6b90e | 1027 | else |
bcd213b2 | 1028 | list->last_abbrev->next = entry; |
19e6b90e | 1029 | |
bcd213b2 | 1030 | list->last_abbrev = entry; |
19e6b90e L |
1031 | } |
1032 | ||
1033 | static void | |
bcd213b2 NC |
1034 | add_abbrev_attr (unsigned long attribute, |
1035 | unsigned long form, | |
1036 | bfd_signed_vma implicit_const, | |
1037 | abbrev_list * list) | |
19e6b90e L |
1038 | { |
1039 | abbrev_attr *attr; | |
1040 | ||
bcd213b2 | 1041 | attr = (abbrev_attr *) xmalloc (sizeof (*attr)); |
19e6b90e L |
1042 | |
1043 | attr->attribute = attribute; | |
1044 | attr->form = form; | |
77145576 | 1045 | attr->implicit_const = implicit_const; |
19e6b90e L |
1046 | attr->next = NULL; |
1047 | ||
bcd213b2 NC |
1048 | assert (list != NULL && list->last_abbrev != NULL); |
1049 | ||
1050 | if (list->last_abbrev->first_attr == NULL) | |
1051 | list->last_abbrev->first_attr = attr; | |
19e6b90e | 1052 | else |
bcd213b2 | 1053 | list->last_abbrev->last_attr->next = attr; |
19e6b90e | 1054 | |
bcd213b2 | 1055 | list->last_abbrev->last_attr = attr; |
19e6b90e L |
1056 | } |
1057 | ||
1058 | /* Processes the (partial) contents of a .debug_abbrev section. | |
1059 | Returns NULL if the end of the section was encountered. | |
1060 | Returns the address after the last byte read if the end of | |
1061 | an abbreviation set was found. */ | |
1062 | ||
1063 | static unsigned char * | |
bcd213b2 NC |
1064 | process_abbrev_set (unsigned char * start, |
1065 | const unsigned char * end, | |
1066 | abbrev_list * list) | |
19e6b90e | 1067 | { |
19e6b90e L |
1068 | while (start < end) |
1069 | { | |
19e6b90e L |
1070 | unsigned long entry; |
1071 | unsigned long tag; | |
1072 | unsigned long attribute; | |
1073 | int children; | |
1074 | ||
cd30bcef | 1075 | READ_ULEB (entry, start, end); |
19e6b90e | 1076 | |
bcd213b2 | 1077 | /* A single zero is supposed to end the set according |
19e6b90e L |
1078 | to the standard. If there's more, then signal that to |
1079 | the caller. */ | |
f6f0e17b NC |
1080 | if (start == end) |
1081 | return NULL; | |
19e6b90e | 1082 | if (entry == 0) |
f6f0e17b | 1083 | return start; |
19e6b90e | 1084 | |
cd30bcef | 1085 | READ_ULEB (tag, start, end); |
f6f0e17b NC |
1086 | if (start == end) |
1087 | return NULL; | |
19e6b90e L |
1088 | |
1089 | children = *start++; | |
1090 | ||
bcd213b2 | 1091 | add_abbrev (entry, tag, children, list); |
19e6b90e L |
1092 | |
1093 | do | |
1094 | { | |
1095 | unsigned long form; | |
77145576 JK |
1096 | /* Initialize it due to a false compiler warning. */ |
1097 | bfd_signed_vma implicit_const = -1; | |
19e6b90e | 1098 | |
cd30bcef | 1099 | READ_ULEB (attribute, start, end); |
f6f0e17b NC |
1100 | if (start == end) |
1101 | break; | |
19e6b90e | 1102 | |
cd30bcef | 1103 | READ_ULEB (form, start, end); |
f6f0e17b NC |
1104 | if (start == end) |
1105 | break; | |
19e6b90e | 1106 | |
77145576 JK |
1107 | if (form == DW_FORM_implicit_const) |
1108 | { | |
cd30bcef | 1109 | READ_SLEB (implicit_const, start, end); |
77145576 JK |
1110 | if (start == end) |
1111 | break; | |
1112 | } | |
1113 | ||
bcd213b2 | 1114 | add_abbrev_attr (attribute, form, implicit_const, list); |
19e6b90e L |
1115 | } |
1116 | while (attribute != 0); | |
1117 | } | |
1118 | ||
399c99f7 L |
1119 | /* Report the missing single zero which ends the section. */ |
1120 | error (_(".debug_abbrev section not zero terminated\n")); | |
1121 | ||
19e6b90e L |
1122 | return NULL; |
1123 | } | |
1124 | ||
a19c41a7 | 1125 | static const char * |
19e6b90e L |
1126 | get_TAG_name (unsigned long tag) |
1127 | { | |
04914e37 | 1128 | const char *name = get_DW_TAG_name ((unsigned int) tag); |
a19c41a7 TT |
1129 | |
1130 | if (name == NULL) | |
19e6b90e | 1131 | { |
a19c41a7 | 1132 | static char buffer[100]; |
19e6b90e | 1133 | |
04914e37 NC |
1134 | if (tag >= DW_TAG_lo_user && tag <= DW_TAG_hi_user) |
1135 | snprintf (buffer, sizeof (buffer), _("User TAG value: %#lx"), tag); | |
1136 | else | |
1137 | snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %#lx"), tag); | |
a19c41a7 | 1138 | return buffer; |
19e6b90e | 1139 | } |
a19c41a7 TT |
1140 | |
1141 | return name; | |
19e6b90e L |
1142 | } |
1143 | ||
a19c41a7 | 1144 | static const char * |
19e6b90e L |
1145 | get_FORM_name (unsigned long form) |
1146 | { | |
399c99f7 | 1147 | const char *name; |
bf5117e3 | 1148 | |
399c99f7 L |
1149 | if (form == 0) |
1150 | return "DW_FORM value: 0"; | |
a19c41a7 | 1151 | |
399c99f7 | 1152 | name = get_DW_FORM_name (form); |
a19c41a7 | 1153 | if (name == NULL) |
19e6b90e | 1154 | { |
a19c41a7 | 1155 | static char buffer[100]; |
19e6b90e | 1156 | |
a19c41a7 TT |
1157 | snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form); |
1158 | return buffer; | |
19e6b90e | 1159 | } |
a19c41a7 TT |
1160 | |
1161 | return name; | |
19e6b90e L |
1162 | } |
1163 | ||
61364358 JK |
1164 | static const char * |
1165 | get_IDX_name (unsigned long idx) | |
1166 | { | |
1167 | const char *name = get_DW_IDX_name ((unsigned int) idx); | |
1168 | ||
1169 | if (name == NULL) | |
1170 | { | |
1171 | static char buffer[100]; | |
1172 | ||
1173 | snprintf (buffer, sizeof (buffer), _("Unknown IDX value: %lx"), idx); | |
1174 | return buffer; | |
1175 | } | |
1176 | ||
1177 | return name; | |
1178 | } | |
1179 | ||
19e6b90e | 1180 | static unsigned char * |
0c588247 NC |
1181 | display_block (unsigned char *data, |
1182 | dwarf_vma length, | |
ef0b5f1c | 1183 | const unsigned char * const end, char delimiter) |
19e6b90e | 1184 | { |
0c588247 NC |
1185 | dwarf_vma maxlen; |
1186 | ||
ef0b5f1c | 1187 | printf (_("%c%s byte block: "), delimiter, dwarf_vmatoa ("u", length)); |
a1165289 NC |
1188 | if (data > end) |
1189 | return (unsigned char *) end; | |
19e6b90e | 1190 | |
0c588247 NC |
1191 | maxlen = (dwarf_vma) (end - data); |
1192 | length = length > maxlen ? maxlen : length; | |
1193 | ||
19e6b90e L |
1194 | while (length --) |
1195 | printf ("%lx ", (unsigned long) byte_get (data++, 1)); | |
1196 | ||
1197 | return data; | |
1198 | } | |
1199 | ||
1200 | static int | |
1201 | decode_location_expression (unsigned char * data, | |
1202 | unsigned int pointer_size, | |
b7807392 JJ |
1203 | unsigned int offset_size, |
1204 | int dwarf_version, | |
467c65bc NC |
1205 | dwarf_vma length, |
1206 | dwarf_vma cu_offset, | |
f1c4cc75 | 1207 | struct dwarf_section * section) |
19e6b90e L |
1208 | { |
1209 | unsigned op; | |
467c65bc | 1210 | dwarf_vma uvalue; |
0c588247 | 1211 | dwarf_signed_vma svalue; |
19e6b90e L |
1212 | unsigned char *end = data + length; |
1213 | int need_frame_base = 0; | |
1214 | ||
1215 | while (data < end) | |
1216 | { | |
1217 | op = *data++; | |
1218 | ||
1219 | switch (op) | |
1220 | { | |
1221 | case DW_OP_addr: | |
0c588247 NC |
1222 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
1223 | printf ("DW_OP_addr: %s", dwarf_vmatoa ("x", uvalue)); | |
19e6b90e L |
1224 | break; |
1225 | case DW_OP_deref: | |
1226 | printf ("DW_OP_deref"); | |
1227 | break; | |
1228 | case DW_OP_const1u: | |
0c588247 NC |
1229 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1230 | printf ("DW_OP_const1u: %lu", (unsigned long) uvalue); | |
19e6b90e L |
1231 | break; |
1232 | case DW_OP_const1s: | |
0c588247 NC |
1233 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 1, end); |
1234 | printf ("DW_OP_const1s: %ld", (long) svalue); | |
19e6b90e L |
1235 | break; |
1236 | case DW_OP_const2u: | |
87bc83b3 | 1237 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
0c588247 | 1238 | printf ("DW_OP_const2u: %lu", (unsigned long) uvalue); |
19e6b90e L |
1239 | break; |
1240 | case DW_OP_const2s: | |
0c588247 NC |
1241 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1242 | printf ("DW_OP_const2s: %ld", (long) svalue); | |
19e6b90e L |
1243 | break; |
1244 | case DW_OP_const4u: | |
0c588247 NC |
1245 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
1246 | printf ("DW_OP_const4u: %lu", (unsigned long) uvalue); | |
19e6b90e L |
1247 | break; |
1248 | case DW_OP_const4s: | |
0c588247 NC |
1249 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
1250 | printf ("DW_OP_const4s: %ld", (long) svalue); | |
19e6b90e L |
1251 | break; |
1252 | case DW_OP_const8u: | |
0c588247 NC |
1253 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
1254 | printf ("DW_OP_const8u: %lu ", (unsigned long) uvalue); | |
1255 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); | |
1256 | printf ("%lu", (unsigned long) uvalue); | |
19e6b90e L |
1257 | break; |
1258 | case DW_OP_const8s: | |
0c588247 NC |
1259 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
1260 | printf ("DW_OP_const8s: %ld ", (long) svalue); | |
1261 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); | |
1262 | printf ("%ld", (long) svalue); | |
19e6b90e L |
1263 | break; |
1264 | case DW_OP_constu: | |
cd30bcef AM |
1265 | READ_ULEB (uvalue, data, end); |
1266 | printf ("DW_OP_constu: %s", dwarf_vmatoa ("u", uvalue)); | |
19e6b90e L |
1267 | break; |
1268 | case DW_OP_consts: | |
cd30bcef AM |
1269 | READ_SLEB (svalue, data, end); |
1270 | printf ("DW_OP_consts: %s", dwarf_vmatoa ("d", svalue)); | |
19e6b90e L |
1271 | break; |
1272 | case DW_OP_dup: | |
1273 | printf ("DW_OP_dup"); | |
1274 | break; | |
1275 | case DW_OP_drop: | |
1276 | printf ("DW_OP_drop"); | |
1277 | break; | |
1278 | case DW_OP_over: | |
1279 | printf ("DW_OP_over"); | |
1280 | break; | |
1281 | case DW_OP_pick: | |
0c588247 NC |
1282 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1283 | printf ("DW_OP_pick: %ld", (unsigned long) uvalue); | |
19e6b90e L |
1284 | break; |
1285 | case DW_OP_swap: | |
1286 | printf ("DW_OP_swap"); | |
1287 | break; | |
1288 | case DW_OP_rot: | |
1289 | printf ("DW_OP_rot"); | |
1290 | break; | |
1291 | case DW_OP_xderef: | |
1292 | printf ("DW_OP_xderef"); | |
1293 | break; | |
1294 | case DW_OP_abs: | |
1295 | printf ("DW_OP_abs"); | |
1296 | break; | |
1297 | case DW_OP_and: | |
1298 | printf ("DW_OP_and"); | |
1299 | break; | |
1300 | case DW_OP_div: | |
1301 | printf ("DW_OP_div"); | |
1302 | break; | |
1303 | case DW_OP_minus: | |
1304 | printf ("DW_OP_minus"); | |
1305 | break; | |
1306 | case DW_OP_mod: | |
1307 | printf ("DW_OP_mod"); | |
1308 | break; | |
1309 | case DW_OP_mul: | |
1310 | printf ("DW_OP_mul"); | |
1311 | break; | |
1312 | case DW_OP_neg: | |
1313 | printf ("DW_OP_neg"); | |
1314 | break; | |
1315 | case DW_OP_not: | |
1316 | printf ("DW_OP_not"); | |
1317 | break; | |
1318 | case DW_OP_or: | |
1319 | printf ("DW_OP_or"); | |
1320 | break; | |
1321 | case DW_OP_plus: | |
1322 | printf ("DW_OP_plus"); | |
1323 | break; | |
1324 | case DW_OP_plus_uconst: | |
cd30bcef AM |
1325 | READ_ULEB (uvalue, data, end); |
1326 | printf ("DW_OP_plus_uconst: %s", dwarf_vmatoa ("u", uvalue)); | |
19e6b90e L |
1327 | break; |
1328 | case DW_OP_shl: | |
1329 | printf ("DW_OP_shl"); | |
1330 | break; | |
1331 | case DW_OP_shr: | |
1332 | printf ("DW_OP_shr"); | |
1333 | break; | |
1334 | case DW_OP_shra: | |
1335 | printf ("DW_OP_shra"); | |
1336 | break; | |
1337 | case DW_OP_xor: | |
1338 | printf ("DW_OP_xor"); | |
1339 | break; | |
1340 | case DW_OP_bra: | |
0c588247 NC |
1341 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1342 | printf ("DW_OP_bra: %ld", (long) svalue); | |
19e6b90e L |
1343 | break; |
1344 | case DW_OP_eq: | |
1345 | printf ("DW_OP_eq"); | |
1346 | break; | |
1347 | case DW_OP_ge: | |
1348 | printf ("DW_OP_ge"); | |
1349 | break; | |
1350 | case DW_OP_gt: | |
1351 | printf ("DW_OP_gt"); | |
1352 | break; | |
1353 | case DW_OP_le: | |
1354 | printf ("DW_OP_le"); | |
1355 | break; | |
1356 | case DW_OP_lt: | |
1357 | printf ("DW_OP_lt"); | |
1358 | break; | |
1359 | case DW_OP_ne: | |
1360 | printf ("DW_OP_ne"); | |
1361 | break; | |
1362 | case DW_OP_skip: | |
0c588247 NC |
1363 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1364 | printf ("DW_OP_skip: %ld", (long) svalue); | |
19e6b90e L |
1365 | break; |
1366 | ||
1367 | case DW_OP_lit0: | |
1368 | case DW_OP_lit1: | |
1369 | case DW_OP_lit2: | |
1370 | case DW_OP_lit3: | |
1371 | case DW_OP_lit4: | |
1372 | case DW_OP_lit5: | |
1373 | case DW_OP_lit6: | |
1374 | case DW_OP_lit7: | |
1375 | case DW_OP_lit8: | |
1376 | case DW_OP_lit9: | |
1377 | case DW_OP_lit10: | |
1378 | case DW_OP_lit11: | |
1379 | case DW_OP_lit12: | |
1380 | case DW_OP_lit13: | |
1381 | case DW_OP_lit14: | |
1382 | case DW_OP_lit15: | |
1383 | case DW_OP_lit16: | |
1384 | case DW_OP_lit17: | |
1385 | case DW_OP_lit18: | |
1386 | case DW_OP_lit19: | |
1387 | case DW_OP_lit20: | |
1388 | case DW_OP_lit21: | |
1389 | case DW_OP_lit22: | |
1390 | case DW_OP_lit23: | |
1391 | case DW_OP_lit24: | |
1392 | case DW_OP_lit25: | |
1393 | case DW_OP_lit26: | |
1394 | case DW_OP_lit27: | |
1395 | case DW_OP_lit28: | |
1396 | case DW_OP_lit29: | |
1397 | case DW_OP_lit30: | |
1398 | case DW_OP_lit31: | |
1399 | printf ("DW_OP_lit%d", op - DW_OP_lit0); | |
1400 | break; | |
1401 | ||
1402 | case DW_OP_reg0: | |
1403 | case DW_OP_reg1: | |
1404 | case DW_OP_reg2: | |
1405 | case DW_OP_reg3: | |
1406 | case DW_OP_reg4: | |
1407 | case DW_OP_reg5: | |
1408 | case DW_OP_reg6: | |
1409 | case DW_OP_reg7: | |
1410 | case DW_OP_reg8: | |
1411 | case DW_OP_reg9: | |
1412 | case DW_OP_reg10: | |
1413 | case DW_OP_reg11: | |
1414 | case DW_OP_reg12: | |
1415 | case DW_OP_reg13: | |
1416 | case DW_OP_reg14: | |
1417 | case DW_OP_reg15: | |
1418 | case DW_OP_reg16: | |
1419 | case DW_OP_reg17: | |
1420 | case DW_OP_reg18: | |
1421 | case DW_OP_reg19: | |
1422 | case DW_OP_reg20: | |
1423 | case DW_OP_reg21: | |
1424 | case DW_OP_reg22: | |
1425 | case DW_OP_reg23: | |
1426 | case DW_OP_reg24: | |
1427 | case DW_OP_reg25: | |
1428 | case DW_OP_reg26: | |
1429 | case DW_OP_reg27: | |
1430 | case DW_OP_reg28: | |
1431 | case DW_OP_reg29: | |
1432 | case DW_OP_reg30: | |
1433 | case DW_OP_reg31: | |
18464d4d JK |
1434 | printf ("DW_OP_reg%d (%s)", op - DW_OP_reg0, |
1435 | regname (op - DW_OP_reg0, 1)); | |
19e6b90e L |
1436 | break; |
1437 | ||
1438 | case DW_OP_breg0: | |
1439 | case DW_OP_breg1: | |
1440 | case DW_OP_breg2: | |
1441 | case DW_OP_breg3: | |
1442 | case DW_OP_breg4: | |
1443 | case DW_OP_breg5: | |
1444 | case DW_OP_breg6: | |
1445 | case DW_OP_breg7: | |
1446 | case DW_OP_breg8: | |
1447 | case DW_OP_breg9: | |
1448 | case DW_OP_breg10: | |
1449 | case DW_OP_breg11: | |
1450 | case DW_OP_breg12: | |
1451 | case DW_OP_breg13: | |
1452 | case DW_OP_breg14: | |
1453 | case DW_OP_breg15: | |
1454 | case DW_OP_breg16: | |
1455 | case DW_OP_breg17: | |
1456 | case DW_OP_breg18: | |
1457 | case DW_OP_breg19: | |
1458 | case DW_OP_breg20: | |
1459 | case DW_OP_breg21: | |
1460 | case DW_OP_breg22: | |
1461 | case DW_OP_breg23: | |
1462 | case DW_OP_breg24: | |
1463 | case DW_OP_breg25: | |
1464 | case DW_OP_breg26: | |
1465 | case DW_OP_breg27: | |
1466 | case DW_OP_breg28: | |
1467 | case DW_OP_breg29: | |
1468 | case DW_OP_breg30: | |
1469 | case DW_OP_breg31: | |
cd30bcef AM |
1470 | READ_SLEB (svalue, data, end); |
1471 | printf ("DW_OP_breg%d (%s): %s", op - DW_OP_breg0, | |
1472 | regname (op - DW_OP_breg0, 1), dwarf_vmatoa ("d", svalue)); | |
19e6b90e L |
1473 | break; |
1474 | ||
1475 | case DW_OP_regx: | |
cd30bcef | 1476 | READ_ULEB (uvalue, data, end); |
467c65bc NC |
1477 | printf ("DW_OP_regx: %s (%s)", |
1478 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); | |
19e6b90e L |
1479 | break; |
1480 | case DW_OP_fbreg: | |
1481 | need_frame_base = 1; | |
cd30bcef AM |
1482 | READ_SLEB (svalue, data, end); |
1483 | printf ("DW_OP_fbreg: %s", dwarf_vmatoa ("d", svalue)); | |
19e6b90e L |
1484 | break; |
1485 | case DW_OP_bregx: | |
cd30bcef AM |
1486 | READ_ULEB (uvalue, data, end); |
1487 | READ_SLEB (svalue, data, end); | |
467c65bc NC |
1488 | printf ("DW_OP_bregx: %s (%s) %s", |
1489 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1), | |
cd30bcef | 1490 | dwarf_vmatoa ("d", svalue)); |
19e6b90e L |
1491 | break; |
1492 | case DW_OP_piece: | |
cd30bcef AM |
1493 | READ_ULEB (uvalue, data, end); |
1494 | printf ("DW_OP_piece: %s", dwarf_vmatoa ("u", uvalue)); | |
19e6b90e L |
1495 | break; |
1496 | case DW_OP_deref_size: | |
0c588247 NC |
1497 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1498 | printf ("DW_OP_deref_size: %ld", (long) uvalue); | |
19e6b90e L |
1499 | break; |
1500 | case DW_OP_xderef_size: | |
0c588247 NC |
1501 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1502 | printf ("DW_OP_xderef_size: %ld", (long) uvalue); | |
19e6b90e L |
1503 | break; |
1504 | case DW_OP_nop: | |
1505 | printf ("DW_OP_nop"); | |
1506 | break; | |
1507 | ||
1508 | /* DWARF 3 extensions. */ | |
1509 | case DW_OP_push_object_address: | |
1510 | printf ("DW_OP_push_object_address"); | |
1511 | break; | |
1512 | case DW_OP_call2: | |
d85bf2ba | 1513 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
19e6b90e | 1514 | this ought to be an 8-byte wide computation. */ |
0c588247 | 1515 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
467c65bc | 1516 | printf ("DW_OP_call2: <0x%s>", |
0c588247 | 1517 | dwarf_vmatoa ("x", svalue + cu_offset)); |
19e6b90e L |
1518 | break; |
1519 | case DW_OP_call4: | |
d85bf2ba | 1520 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
19e6b90e | 1521 | this ought to be an 8-byte wide computation. */ |
0c588247 | 1522 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
467c65bc | 1523 | printf ("DW_OP_call4: <0x%s>", |
0c588247 | 1524 | dwarf_vmatoa ("x", svalue + cu_offset)); |
19e6b90e L |
1525 | break; |
1526 | case DW_OP_call_ref: | |
d85bf2ba | 1527 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
e2a0d921 | 1528 | this ought to be an 8-byte wide computation. */ |
b7807392 JJ |
1529 | if (dwarf_version == -1) |
1530 | { | |
1531 | printf (_("(DW_OP_call_ref in frame info)")); | |
1532 | /* No way to tell where the next op is, so just bail. */ | |
1533 | return need_frame_base; | |
1534 | } | |
1535 | if (dwarf_version == 2) | |
1536 | { | |
0c588247 | 1537 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
b7807392 JJ |
1538 | } |
1539 | else | |
1540 | { | |
0c588247 | 1541 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
b7807392 | 1542 | } |
0c588247 | 1543 | printf ("DW_OP_call_ref: <0x%s>", dwarf_vmatoa ("x", uvalue)); |
19e6b90e | 1544 | break; |
a87b0a59 NS |
1545 | case DW_OP_form_tls_address: |
1546 | printf ("DW_OP_form_tls_address"); | |
1547 | break; | |
e2a0d921 NC |
1548 | case DW_OP_call_frame_cfa: |
1549 | printf ("DW_OP_call_frame_cfa"); | |
1550 | break; | |
1551 | case DW_OP_bit_piece: | |
1552 | printf ("DW_OP_bit_piece: "); | |
cd30bcef AM |
1553 | READ_ULEB (uvalue, data, end); |
1554 | printf (_("size: %s "), dwarf_vmatoa ("u", uvalue)); | |
1555 | READ_ULEB (uvalue, data, end); | |
1556 | printf (_("offset: %s "), dwarf_vmatoa ("u", uvalue)); | |
e2a0d921 | 1557 | break; |
19e6b90e | 1558 | |
3244e8f5 JJ |
1559 | /* DWARF 4 extensions. */ |
1560 | case DW_OP_stack_value: | |
1561 | printf ("DW_OP_stack_value"); | |
1562 | break; | |
1563 | ||
1564 | case DW_OP_implicit_value: | |
1565 | printf ("DW_OP_implicit_value"); | |
cd30bcef | 1566 | READ_ULEB (uvalue, data, end); |
ef0b5f1c | 1567 | data = display_block (data, uvalue, end, ' '); |
3244e8f5 JJ |
1568 | break; |
1569 | ||
19e6b90e L |
1570 | /* GNU extensions. */ |
1571 | case DW_OP_GNU_push_tls_address: | |
9cf03b7e | 1572 | printf (_("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown")); |
e2a0d921 NC |
1573 | break; |
1574 | case DW_OP_GNU_uninit: | |
1575 | printf ("DW_OP_GNU_uninit"); | |
1576 | /* FIXME: Is there data associated with this OP ? */ | |
1577 | break; | |
f1c4cc75 RH |
1578 | case DW_OP_GNU_encoded_addr: |
1579 | { | |
6937bb54 | 1580 | int encoding = 0; |
f1c4cc75 | 1581 | dwarf_vma addr; |
467c65bc | 1582 | |
6937bb54 NC |
1583 | if (data < end) |
1584 | encoding = *data++; | |
041830e0 | 1585 | addr = get_encoded_value (&data, encoding, section, end); |
f1c4cc75 RH |
1586 | |
1587 | printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding); | |
1588 | print_dwarf_vma (addr, pointer_size); | |
1589 | } | |
1590 | break; | |
bc0a77d2 | 1591 | case DW_OP_implicit_pointer: |
b7807392 | 1592 | case DW_OP_GNU_implicit_pointer: |
d85bf2ba | 1593 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
b7807392 JJ |
1594 | this ought to be an 8-byte wide computation. */ |
1595 | if (dwarf_version == -1) | |
1596 | { | |
bc0a77d2 JK |
1597 | printf (_("(%s in frame info)"), |
1598 | (op == DW_OP_implicit_pointer | |
1599 | ? "DW_OP_implicit_pointer" | |
1600 | : "DW_OP_GNU_implicit_pointer")); | |
b7807392 JJ |
1601 | /* No way to tell where the next op is, so just bail. */ |
1602 | return need_frame_base; | |
1603 | } | |
1604 | if (dwarf_version == 2) | |
1605 | { | |
0c588247 | 1606 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
b7807392 JJ |
1607 | } |
1608 | else | |
1609 | { | |
0c588247 | 1610 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
b7807392 | 1611 | } |
cd30bcef | 1612 | READ_SLEB (svalue, data, end); |
bc0a77d2 JK |
1613 | printf ("%s: <0x%s> %s", |
1614 | (op == DW_OP_implicit_pointer | |
1615 | ? "DW_OP_implicit_pointer" : "DW_OP_GNU_implicit_pointer"), | |
0c588247 | 1616 | dwarf_vmatoa ("x", uvalue), |
cd30bcef | 1617 | dwarf_vmatoa ("d", svalue)); |
b7807392 | 1618 | break; |
77145576 | 1619 | case DW_OP_entry_value: |
0892011d | 1620 | case DW_OP_GNU_entry_value: |
cd30bcef | 1621 | READ_ULEB (uvalue, data, end); |
058037d3 NC |
1622 | /* PR 17531: file: 0cc9cd00. */ |
1623 | if (uvalue > (dwarf_vma) (end - data)) | |
1624 | uvalue = end - data; | |
77145576 JK |
1625 | printf ("%s: (", (op == DW_OP_entry_value ? "DW_OP_entry_value" |
1626 | : "DW_OP_GNU_entry_value")); | |
0892011d JJ |
1627 | if (decode_location_expression (data, pointer_size, offset_size, |
1628 | dwarf_version, uvalue, | |
1629 | cu_offset, section)) | |
1630 | need_frame_base = 1; | |
1631 | putchar (')'); | |
1632 | data += uvalue; | |
6937bb54 NC |
1633 | if (data > end) |
1634 | data = end; | |
0892011d | 1635 | break; |
bc0a77d2 | 1636 | case DW_OP_const_type: |
0892011d | 1637 | case DW_OP_GNU_const_type: |
cd30bcef | 1638 | READ_ULEB (uvalue, data, end); |
bc0a77d2 JK |
1639 | printf ("%s: <0x%s> ", |
1640 | (op == DW_OP_const_type ? "DW_OP_const_type" | |
1641 | : "DW_OP_GNU_const_type"), | |
0892011d | 1642 | dwarf_vmatoa ("x", cu_offset + uvalue)); |
0c588247 | 1643 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
ef0b5f1c | 1644 | data = display_block (data, uvalue, end, ' '); |
0892011d | 1645 | break; |
bc0a77d2 | 1646 | case DW_OP_regval_type: |
0892011d | 1647 | case DW_OP_GNU_regval_type: |
cd30bcef | 1648 | READ_ULEB (uvalue, data, end); |
bc0a77d2 JK |
1649 | printf ("%s: %s (%s)", |
1650 | (op == DW_OP_regval_type ? "DW_OP_regval_type" | |
1651 | : "DW_OP_GNU_regval_type"), | |
0892011d | 1652 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); |
cd30bcef | 1653 | READ_ULEB (uvalue, data, end); |
0892011d JJ |
1654 | printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); |
1655 | break; | |
bc0a77d2 | 1656 | case DW_OP_deref_type: |
0892011d | 1657 | case DW_OP_GNU_deref_type: |
0c588247 | 1658 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
bc0a77d2 JK |
1659 | printf ("%s: %ld", |
1660 | (op == DW_OP_deref_type ? "DW_OP_deref_type" | |
1661 | : "DW_OP_GNU_deref_type"), | |
1662 | (long) uvalue); | |
cd30bcef | 1663 | READ_ULEB (uvalue, data, end); |
0892011d JJ |
1664 | printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); |
1665 | break; | |
bc0a77d2 | 1666 | case DW_OP_convert: |
0892011d | 1667 | case DW_OP_GNU_convert: |
cd30bcef | 1668 | READ_ULEB (uvalue, data, end); |
bc0a77d2 JK |
1669 | printf ("%s <0x%s>", |
1670 | (op == DW_OP_convert ? "DW_OP_convert" : "DW_OP_GNU_convert"), | |
f8b999f9 | 1671 | dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0)); |
0892011d | 1672 | break; |
bc0a77d2 | 1673 | case DW_OP_reinterpret: |
0892011d | 1674 | case DW_OP_GNU_reinterpret: |
cd30bcef | 1675 | READ_ULEB (uvalue, data, end); |
bc0a77d2 JK |
1676 | printf ("%s <0x%s>", |
1677 | (op == DW_OP_reinterpret ? "DW_OP_reinterpret" | |
1678 | : "DW_OP_GNU_reinterpret"), | |
f8b999f9 JJ |
1679 | dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0)); |
1680 | break; | |
1681 | case DW_OP_GNU_parameter_ref: | |
0c588247 | 1682 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
f8b999f9 | 1683 | printf ("DW_OP_GNU_parameter_ref: <0x%s>", |
0c588247 | 1684 | dwarf_vmatoa ("x", cu_offset + uvalue)); |
0892011d | 1685 | break; |
b4eb7656 | 1686 | case DW_OP_GNU_addr_index: |
cd30bcef | 1687 | READ_ULEB (uvalue, data, end); |
b4eb7656 AM |
1688 | printf ("DW_OP_GNU_addr_index <0x%s>", dwarf_vmatoa ("x", uvalue)); |
1689 | break; | |
1690 | case DW_OP_GNU_const_index: | |
cd30bcef | 1691 | READ_ULEB (uvalue, data, end); |
b4eb7656 AM |
1692 | printf ("DW_OP_GNU_const_index <0x%s>", dwarf_vmatoa ("x", uvalue)); |
1693 | break; | |
f384a1f0 KB |
1694 | case DW_OP_GNU_variable_value: |
1695 | /* FIXME: Strictly speaking for 64-bit DWARF3 files | |
1696 | this ought to be an 8-byte wide computation. */ | |
1697 | if (dwarf_version == -1) | |
1698 | { | |
1699 | printf (_("(DW_OP_GNU_variable_value in frame info)")); | |
1700 | /* No way to tell where the next op is, so just bail. */ | |
1701 | return need_frame_base; | |
1702 | } | |
1703 | if (dwarf_version == 2) | |
1704 | { | |
1705 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); | |
1706 | } | |
1707 | else | |
1708 | { | |
1709 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); | |
1710 | } | |
1711 | printf ("DW_OP_GNU_variable_value: <0x%s>", dwarf_vmatoa ("x", uvalue)); | |
1712 | break; | |
e2a0d921 NC |
1713 | |
1714 | /* HP extensions. */ | |
1715 | case DW_OP_HP_is_value: | |
1716 | printf ("DW_OP_HP_is_value"); | |
1717 | /* FIXME: Is there data associated with this OP ? */ | |
1718 | break; | |
1719 | case DW_OP_HP_fltconst4: | |
1720 | printf ("DW_OP_HP_fltconst4"); | |
1721 | /* FIXME: Is there data associated with this OP ? */ | |
1722 | break; | |
1723 | case DW_OP_HP_fltconst8: | |
1724 | printf ("DW_OP_HP_fltconst8"); | |
1725 | /* FIXME: Is there data associated with this OP ? */ | |
1726 | break; | |
1727 | case DW_OP_HP_mod_range: | |
1728 | printf ("DW_OP_HP_mod_range"); | |
1729 | /* FIXME: Is there data associated with this OP ? */ | |
1730 | break; | |
1731 | case DW_OP_HP_unmod_range: | |
1732 | printf ("DW_OP_HP_unmod_range"); | |
1733 | /* FIXME: Is there data associated with this OP ? */ | |
1734 | break; | |
1735 | case DW_OP_HP_tls: | |
1736 | printf ("DW_OP_HP_tls"); | |
1737 | /* FIXME: Is there data associated with this OP ? */ | |
19e6b90e L |
1738 | break; |
1739 | ||
35d60fe4 NC |
1740 | /* PGI (STMicroelectronics) extensions. */ |
1741 | case DW_OP_PGI_omp_thread_num: | |
1742 | /* Pushes the thread number for the current thread as it would be | |
1743 | returned by the standard OpenMP library function: | |
1744 | omp_get_thread_num(). The "current thread" is the thread for | |
1745 | which the expression is being evaluated. */ | |
1746 | printf ("DW_OP_PGI_omp_thread_num"); | |
1747 | break; | |
1748 | ||
19e6b90e L |
1749 | default: |
1750 | if (op >= DW_OP_lo_user | |
1751 | && op <= DW_OP_hi_user) | |
0502a2b4 | 1752 | printf (_("(User defined location op 0x%x)"), op); |
19e6b90e | 1753 | else |
0502a2b4 | 1754 | printf (_("(Unknown location op 0x%x)"), op); |
19e6b90e L |
1755 | /* No way to tell where the next op is, so just bail. */ |
1756 | return need_frame_base; | |
1757 | } | |
1758 | ||
1759 | /* Separate the ops. */ | |
1760 | if (data < end) | |
1761 | printf ("; "); | |
1762 | } | |
1763 | ||
1764 | return need_frame_base; | |
1765 | } | |
1766 | ||
341f9135 CC |
1767 | /* Find the CU or TU set corresponding to the given CU_OFFSET. |
1768 | This is used for DWARF package files. */ | |
1769 | ||
1770 | static struct cu_tu_set * | |
1771 | find_cu_tu_set_v2 (dwarf_vma cu_offset, int do_types) | |
1772 | { | |
1773 | struct cu_tu_set *p; | |
1774 | unsigned int nsets; | |
1775 | unsigned int dw_sect; | |
1776 | ||
1777 | if (do_types) | |
1778 | { | |
1779 | p = tu_sets; | |
1780 | nsets = tu_count; | |
1781 | dw_sect = DW_SECT_TYPES; | |
1782 | } | |
1783 | else | |
1784 | { | |
1785 | p = cu_sets; | |
1786 | nsets = cu_count; | |
1787 | dw_sect = DW_SECT_INFO; | |
1788 | } | |
1789 | while (nsets > 0) | |
1790 | { | |
1791 | if (p->section_offsets [dw_sect] == cu_offset) | |
1792 | return p; | |
1793 | p++; | |
1794 | nsets--; | |
1795 | } | |
1796 | return NULL; | |
1797 | } | |
1798 | ||
a69c4772 NC |
1799 | /* Add INC to HIGH_BITS:LOW_BITS. */ |
1800 | static void | |
1801 | add64 (dwarf_vma * high_bits, dwarf_vma * low_bits, dwarf_vma inc) | |
1802 | { | |
1803 | dwarf_vma tmp = * low_bits; | |
1804 | ||
1805 | tmp += inc; | |
1806 | ||
1807 | /* FIXME: There is probably a better way of handling this: | |
1808 | ||
1809 | We need to cope with dwarf_vma being a 32-bit or 64-bit | |
1810 | type. Plus regardless of its size LOW_BITS is meant to | |
1811 | only hold 32-bits, so if there is overflow or wrap around | |
1812 | we must propagate into HIGH_BITS. */ | |
1813 | if (tmp < * low_bits) | |
1814 | { | |
1815 | ++ * high_bits; | |
1816 | } | |
1817 | else if (sizeof (tmp) > 8 | |
1818 | && (tmp >> 31) > 1) | |
1819 | { | |
1820 | ++ * high_bits; | |
1821 | tmp &= 0xFFFFFFFF; | |
1822 | } | |
1823 | ||
1824 | * low_bits = tmp; | |
1825 | } | |
1826 | ||
dda8d76d NC |
1827 | static const char * |
1828 | fetch_alt_indirect_string (dwarf_vma offset) | |
1829 | { | |
24841daa | 1830 | separate_info * i; |
dda8d76d NC |
1831 | |
1832 | if (! do_follow_links) | |
1833 | return ""; | |
1834 | ||
24841daa NC |
1835 | if (first_separate_info == NULL) |
1836 | return _("<no links available>"); | |
dda8d76d | 1837 | |
24841daa NC |
1838 | for (i = first_separate_info; i != NULL; i = i->next) |
1839 | { | |
1840 | struct dwarf_section * section; | |
1841 | const char * ret; | |
dda8d76d | 1842 | |
24841daa NC |
1843 | if (! load_debug_section (separate_debug_str, i->handle)) |
1844 | continue; | |
dda8d76d | 1845 | |
24841daa | 1846 | section = &debug_displays [separate_debug_str].section; |
dda8d76d | 1847 | |
24841daa NC |
1848 | if (section->start == NULL) |
1849 | continue; | |
dda8d76d | 1850 | |
24841daa NC |
1851 | if (offset >= section->size) |
1852 | continue; | |
1853 | ||
1854 | ret = (const char *) (section->start + offset); | |
1855 | /* Unfortunately we cannot rely upon the .debug_str section ending with a | |
1856 | NUL byte. Since our caller is expecting to receive a well formed C | |
1857 | string we test for the lack of a terminating byte here. */ | |
1858 | if (strnlen ((const char *) ret, section->size - offset) | |
1859 | == section->size - offset) | |
1860 | return _("<no NUL byte at end of alt .debug_str section>"); | |
1861 | ||
1862 | return ret; | |
1863 | } | |
521d4b19 | 1864 | |
24841daa NC |
1865 | warn (_("DW_FORM_GNU_strp_alt offset (%s) too big or no string sections available\n"), |
1866 | dwarf_vmatoa ("x", offset)); | |
1867 | return _("<offset is too big>"); | |
dda8d76d NC |
1868 | } |
1869 | ||
d85bf2ba NC |
1870 | static const char * |
1871 | get_AT_name (unsigned long attribute) | |
1872 | { | |
1873 | const char *name; | |
1874 | ||
1875 | if (attribute == 0) | |
1876 | return "DW_AT value: 0"; | |
1877 | ||
1878 | /* One value is shared by the MIPS and HP extensions: */ | |
1879 | if (attribute == DW_AT_MIPS_fde) | |
1880 | return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable"; | |
1881 | ||
1882 | name = get_DW_AT_name (attribute); | |
1883 | ||
1884 | if (name == NULL) | |
1885 | { | |
1886 | static char buffer[100]; | |
1887 | ||
1888 | snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"), | |
1889 | attribute); | |
1890 | return buffer; | |
1891 | } | |
1892 | ||
1893 | return name; | |
1894 | } | |
1895 | ||
24841daa | 1896 | static void |
50ea0877 | 1897 | add_dwo_info (const char * value, dwarf_vma cu_offset, dwo_type type) |
24841daa NC |
1898 | { |
1899 | dwo_info * dwinfo = xmalloc (sizeof * dwinfo); | |
1900 | ||
50ea0877 NC |
1901 | dwinfo->type = type; |
1902 | dwinfo->value = value; | |
1903 | dwinfo->cu_offset = cu_offset; | |
1904 | dwinfo->next = first_dwo_info; | |
24841daa NC |
1905 | first_dwo_info = dwinfo; |
1906 | } | |
1907 | ||
1908 | static void | |
50ea0877 | 1909 | add_dwo_name (const char * name, dwarf_vma cu_offset) |
24841daa | 1910 | { |
50ea0877 | 1911 | add_dwo_info (name, cu_offset, DWO_NAME); |
24841daa NC |
1912 | } |
1913 | ||
1914 | static void | |
50ea0877 | 1915 | add_dwo_dir (const char * dir, dwarf_vma cu_offset) |
24841daa | 1916 | { |
50ea0877 | 1917 | add_dwo_info (dir, cu_offset, DWO_DIR); |
24841daa NC |
1918 | } |
1919 | ||
1920 | static void | |
50ea0877 | 1921 | add_dwo_id (const char * id, dwarf_vma cu_offset) |
24841daa | 1922 | { |
50ea0877 | 1923 | add_dwo_info (id, cu_offset, DWO_ID); |
24841daa NC |
1924 | } |
1925 | ||
1926 | static void | |
1927 | free_dwo_info (void) | |
1928 | { | |
1929 | dwo_info * dwinfo; | |
1930 | dwo_info * next; | |
1931 | ||
1932 | for (dwinfo = first_dwo_info; dwinfo != NULL; dwinfo = next) | |
1933 | { | |
1934 | next = dwinfo->next; | |
1935 | free (dwinfo); | |
1936 | } | |
1937 | first_dwo_info = NULL; | |
1938 | } | |
1939 | ||
afc72f15 NC |
1940 | /* Ensure that START + UVALUE is less than END. |
1941 | Return an adjusted UVALUE if necessary to ensure this relationship. */ | |
1942 | ||
1943 | static inline dwarf_vma | |
1944 | check_uvalue (const unsigned char * start, | |
1945 | dwarf_vma uvalue, | |
1946 | const unsigned char * end) | |
1947 | { | |
1948 | dwarf_vma max_uvalue = end - start; | |
1949 | ||
afc72f15 NC |
1950 | /* See PR 17512: file: 008-103549-0.001:0.1. |
1951 | and PR 24829 for examples of where these tests are triggered. */ | |
a85eba51 | 1952 | if (uvalue > max_uvalue) |
afc72f15 NC |
1953 | { |
1954 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
1955 | uvalue = max_uvalue; | |
1956 | } | |
1957 | ||
1958 | return uvalue; | |
1959 | } | |
1960 | ||
ec1b0fbb NC |
1961 | static unsigned char * |
1962 | skip_attr_bytes (unsigned long form, | |
1963 | unsigned char * data, | |
1964 | unsigned const char * end, | |
1965 | dwarf_vma pointer_size, | |
1966 | dwarf_vma offset_size, | |
1967 | int dwarf_version, | |
1968 | dwarf_vma * value_return) | |
1969 | { | |
cd30bcef AM |
1970 | dwarf_signed_vma svalue; |
1971 | dwarf_vma uvalue = 0; | |
ec1b0fbb NC |
1972 | |
1973 | * value_return = 0; | |
1974 | ||
1975 | switch (form) | |
1976 | { | |
1977 | case DW_FORM_ref_addr: | |
1978 | if (dwarf_version == 2) | |
1979 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); | |
59624513 | 1980 | else if (dwarf_version > 2) |
ec1b0fbb NC |
1981 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
1982 | else | |
1983 | return NULL; | |
1984 | break; | |
1985 | ||
1986 | case DW_FORM_addr: | |
1987 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); | |
1988 | break; | |
1989 | ||
1990 | case DW_FORM_strp: | |
1991 | case DW_FORM_line_strp: | |
1992 | case DW_FORM_sec_offset: | |
1993 | case DW_FORM_GNU_ref_alt: | |
1994 | case DW_FORM_GNU_strp_alt: | |
1995 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); | |
1996 | break; | |
1997 | ||
1998 | case DW_FORM_flag_present: | |
1999 | uvalue = 1; | |
2000 | break; | |
2001 | ||
2002 | case DW_FORM_ref1: | |
2003 | case DW_FORM_flag: | |
2004 | case DW_FORM_data1: | |
2005 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); | |
2006 | break; | |
2007 | ||
2008 | case DW_FORM_ref2: | |
2009 | case DW_FORM_data2: | |
2010 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); | |
2011 | break; | |
2012 | ||
2013 | case DW_FORM_ref4: | |
2014 | case DW_FORM_data4: | |
2015 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); | |
2016 | break; | |
2017 | ||
2018 | case DW_FORM_sdata: | |
cd30bcef AM |
2019 | READ_SLEB (svalue, data, end); |
2020 | uvalue = svalue; | |
ec1b0fbb NC |
2021 | break; |
2022 | ||
2023 | case DW_FORM_ref_udata: | |
2024 | case DW_FORM_udata: | |
2025 | case DW_FORM_GNU_str_index: | |
2026 | case DW_FORM_GNU_addr_index: | |
cd30bcef | 2027 | READ_ULEB (uvalue, data, end); |
ec1b0fbb NC |
2028 | break; |
2029 | ||
2030 | case DW_FORM_ref8: | |
1f573141 NC |
2031 | { |
2032 | dwarf_vma high_bits; | |
2033 | ||
2034 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); | |
2035 | data += 8; | |
2036 | if (sizeof (uvalue) > 4) | |
2037 | uvalue += high_bits << 32; | |
2038 | else if (high_bits != 0) | |
2039 | { | |
2040 | /* FIXME: What to do ? */ | |
2041 | return NULL; | |
2042 | } | |
2043 | break; | |
2044 | } | |
2045 | ||
ec1b0fbb | 2046 | case DW_FORM_data8: |
59624513 | 2047 | case DW_FORM_ref_sig8: |
ec1b0fbb NC |
2048 | data += 8; |
2049 | break; | |
2050 | ||
2051 | case DW_FORM_data16: | |
2052 | data += 16; | |
2053 | break; | |
2054 | ||
2055 | case DW_FORM_string: | |
2056 | data += strnlen ((char *) data, end - data) + 1; | |
2057 | break; | |
2058 | ||
2059 | case DW_FORM_block: | |
2060 | case DW_FORM_exprloc: | |
cd30bcef | 2061 | READ_ULEB (uvalue, data, end); |
59624513 | 2062 | data += uvalue; |
ec1b0fbb NC |
2063 | break; |
2064 | ||
2065 | case DW_FORM_block1: | |
2066 | SAFE_BYTE_GET (uvalue, data, 1, end); | |
2067 | data += 1 + uvalue; | |
2068 | break; | |
2069 | ||
2070 | case DW_FORM_block2: | |
2071 | SAFE_BYTE_GET (uvalue, data, 2, end); | |
2072 | data += 2 + uvalue; | |
2073 | break; | |
2074 | ||
2075 | case DW_FORM_block4: | |
2076 | SAFE_BYTE_GET (uvalue, data, 4, end); | |
2077 | data += 4 + uvalue; | |
2078 | break; | |
2079 | ||
ec1b0fbb | 2080 | case DW_FORM_indirect: |
59624513 NC |
2081 | READ_ULEB (form, data, end); |
2082 | if (form == DW_FORM_implicit_const) | |
2083 | SKIP_ULEB (data, end); | |
2084 | return skip_attr_bytes (form, data, end, pointer_size, offset_size, dwarf_version, value_return); | |
2085 | ||
ec1b0fbb NC |
2086 | default: |
2087 | return NULL; | |
2088 | } | |
2089 | ||
2090 | * value_return = uvalue; | |
2091 | if (data > end) | |
2092 | data = (unsigned char *) end; | |
2093 | return data; | |
2094 | } | |
2095 | ||
bcd213b2 NC |
2096 | /* Given form FORM with value UVALUE, locate and return the abbreviation |
2097 | associated with it. */ | |
2098 | ||
2099 | static abbrev_entry * | |
2100 | get_type_abbrev_from_form (unsigned long form, | |
2101 | unsigned long uvalue, | |
2102 | dwarf_vma cu_offset, | |
2103 | const struct dwarf_section * section, | |
2104 | unsigned long * abbrev_num_return, | |
2105 | unsigned char ** data_return, | |
2106 | unsigned long * cu_offset_return) | |
2107 | { | |
2108 | unsigned long abbrev_number; | |
2109 | abbrev_map * map; | |
2110 | abbrev_entry * entry; | |
2111 | unsigned char * data; | |
2112 | ||
2113 | if (abbrev_num_return != NULL) | |
2114 | * abbrev_num_return = 0; | |
2115 | if (data_return != NULL) | |
2116 | * data_return = NULL; | |
2117 | ||
2118 | switch (form) | |
2119 | { | |
2120 | case DW_FORM_GNU_ref_alt: | |
5f128a25 | 2121 | case DW_FORM_ref_sig8: |
bcd213b2 NC |
2122 | /* FIXME: We are unable to handle this form at the moment. */ |
2123 | return NULL; | |
2124 | ||
2125 | case DW_FORM_ref_addr: | |
2126 | if (uvalue >= section->size) | |
2127 | { | |
2128 | warn (_("Unable to resolve ref_addr form: uvalue %lx > section size %lx (%s)\n"), | |
2129 | uvalue, (long) section->size, section->name); | |
2130 | return NULL; | |
2131 | } | |
2132 | break; | |
2133 | ||
2134 | case DW_FORM_ref1: | |
2135 | case DW_FORM_ref2: | |
2136 | case DW_FORM_ref4: | |
1f573141 | 2137 | case DW_FORM_ref8: |
bcd213b2 NC |
2138 | case DW_FORM_ref_udata: |
2139 | if (uvalue + cu_offset > section->size) | |
2140 | { | |
2141 | warn (_("Unable to resolve ref form: uvalue %lx + cu_offset %lx > section size %lx\n"), | |
2142 | uvalue, (long) cu_offset, (long) section->size); | |
2143 | return NULL; | |
2144 | } | |
2145 | uvalue += cu_offset; | |
2146 | break; | |
2147 | ||
2148 | /* FIXME: Are there other DW_FORMs that can be used by types ? */ | |
2149 | ||
2150 | default: | |
2151 | warn (_("Unexpected form %lx encountered whilst finding abbreviation for type\n"), form); | |
2152 | return NULL; | |
2153 | } | |
2154 | ||
2155 | data = (unsigned char *) section->start + uvalue; | |
2156 | map = find_abbrev_map_by_offset (uvalue); | |
521d4b19 | 2157 | |
bcd213b2 NC |
2158 | if (map == NULL) |
2159 | { | |
2160 | warn (_("Unable to find abbreviations for CU offset %#lx\n"), uvalue); | |
2161 | return NULL; | |
2162 | } | |
2163 | if (map->list == NULL) | |
2164 | { | |
2165 | warn (_("Empty abbreviation list encountered for CU offset %lx\n"), uvalue); | |
2166 | return NULL; | |
2167 | } | |
2168 | ||
2169 | if (cu_offset_return != NULL) | |
2170 | { | |
2171 | if (form == DW_FORM_ref_addr) | |
2172 | * cu_offset_return = map->start; | |
2173 | else | |
2174 | * cu_offset_return = cu_offset; | |
2175 | } | |
2176 | ||
2177 | READ_ULEB (abbrev_number, data, section->start + section->size); | |
2178 | ||
2179 | for (entry = map->list->first_abbrev; entry != NULL; entry = entry->next) | |
2180 | if (entry->number == abbrev_number) | |
2181 | break; | |
521d4b19 | 2182 | |
bcd213b2 NC |
2183 | if (abbrev_num_return != NULL) |
2184 | * abbrev_num_return = abbrev_number; | |
2185 | ||
2186 | if (data_return != NULL) | |
2187 | * data_return = data; | |
2188 | ||
2189 | if (entry == NULL) | |
2190 | warn (_("Unable to find entry for abbreviation %lu\n"), abbrev_number); | |
2191 | ||
2192 | return entry; | |
2193 | } | |
2194 | ||
2195 | /* Return IS_SIGNED set to TRUE if the type using abbreviation ENTRY | |
2196 | can be determined to be a signed type. The data for ENTRY can be | |
2197 | found starting at DATA. */ | |
ec1b0fbb NC |
2198 | |
2199 | static void | |
bcd213b2 NC |
2200 | get_type_signedness (abbrev_entry * entry, |
2201 | const struct dwarf_section * section, | |
ec1b0fbb NC |
2202 | unsigned char * data, |
2203 | unsigned const char * end, | |
bcd213b2 | 2204 | dwarf_vma cu_offset, |
ec1b0fbb NC |
2205 | dwarf_vma pointer_size, |
2206 | dwarf_vma offset_size, | |
2207 | int dwarf_version, | |
2208 | bfd_boolean * is_signed, | |
59624513 | 2209 | unsigned int nesting) |
ec1b0fbb | 2210 | { |
ec1b0fbb NC |
2211 | abbrev_attr * attr; |
2212 | ||
2213 | * is_signed = FALSE; | |
2214 | ||
59624513 NC |
2215 | #define MAX_NESTING 20 |
2216 | if (nesting > MAX_NESTING) | |
2217 | { | |
2218 | /* FIXME: Warn - or is this expected ? | |
2219 | NB/ We need to avoid infinite recursion. */ | |
2220 | return; | |
2221 | } | |
2222 | ||
ec1b0fbb NC |
2223 | for (attr = entry->first_attr; |
2224 | attr != NULL && attr->attribute; | |
2225 | attr = attr->next) | |
2226 | { | |
bcd213b2 | 2227 | unsigned char * orig_data = data; |
ec1b0fbb NC |
2228 | dwarf_vma uvalue = 0; |
2229 | ||
2230 | data = skip_attr_bytes (attr->form, data, end, pointer_size, | |
2231 | offset_size, dwarf_version, & uvalue); | |
2232 | if (data == NULL) | |
2233 | return; | |
2234 | ||
2235 | switch (attr->attribute) | |
2236 | { | |
bcd213b2 | 2237 | case DW_AT_linkage_name: |
ec1b0fbb | 2238 | case DW_AT_name: |
bcd213b2 NC |
2239 | if (do_wide) |
2240 | { | |
2241 | if (attr->form == DW_FORM_strp) | |
2242 | printf (", %s", fetch_indirect_string (uvalue)); | |
2243 | else if (attr->form == DW_FORM_string) | |
2244 | printf (", %s", orig_data); | |
2245 | } | |
ec1b0fbb | 2246 | break; |
bcd213b2 | 2247 | |
ec1b0fbb NC |
2248 | case DW_AT_type: |
2249 | /* Recurse. */ | |
bcd213b2 NC |
2250 | { |
2251 | abbrev_entry * type_abbrev; | |
2252 | unsigned char * type_data; | |
2253 | unsigned long type_cu_offset; | |
2254 | ||
2255 | type_abbrev = get_type_abbrev_from_form (attr->form, | |
2256 | uvalue, | |
2257 | cu_offset, | |
2258 | section, | |
2259 | NULL /* abbrev num return */, | |
2260 | & type_data, | |
2261 | & type_cu_offset); | |
2262 | if (type_abbrev == NULL) | |
2263 | break; | |
2264 | ||
2265 | get_type_signedness (type_abbrev, section, type_data, end, type_cu_offset, | |
2266 | pointer_size, offset_size, dwarf_version, | |
2267 | is_signed, nesting + 1); | |
2268 | } | |
ec1b0fbb NC |
2269 | break; |
2270 | ||
2271 | case DW_AT_encoding: | |
2272 | /* Determine signness. */ | |
2273 | switch (uvalue) | |
2274 | { | |
2275 | case DW_ATE_address: | |
2276 | /* FIXME - some architectures have signed addresses. */ | |
2277 | case DW_ATE_boolean: | |
2278 | case DW_ATE_unsigned: | |
2279 | case DW_ATE_unsigned_char: | |
2280 | case DW_ATE_unsigned_fixed: | |
2281 | * is_signed = FALSE; | |
2282 | break; | |
2283 | ||
2284 | default: | |
2285 | case DW_ATE_complex_float: | |
2286 | case DW_ATE_float: | |
2287 | case DW_ATE_signed: | |
2288 | case DW_ATE_signed_char: | |
2289 | case DW_ATE_imaginary_float: | |
2290 | case DW_ATE_decimal_float: | |
2291 | case DW_ATE_signed_fixed: | |
2292 | * is_signed = TRUE; | |
2293 | break; | |
2294 | } | |
2295 | break; | |
2296 | } | |
2297 | } | |
2298 | } | |
2299 | ||
2300 | static void | |
2301 | read_and_print_leb128 (unsigned char * data, | |
2302 | unsigned int * bytes_read, | |
2303 | unsigned const char * end, | |
2304 | bfd_boolean is_signed) | |
2305 | { | |
cd30bcef AM |
2306 | int status; |
2307 | dwarf_vma val = read_leb128 (data, end, is_signed, bytes_read, &status); | |
2308 | if (status != 0) | |
1b513401 | 2309 | report_leb_status (status, __FILE__, __LINE__); |
ec1b0fbb | 2310 | else |
cd30bcef | 2311 | printf ("%s", dwarf_vmatoa (is_signed ? "d" : "u", val)); |
ec1b0fbb NC |
2312 | } |
2313 | ||
2314 | static void | |
2315 | display_discr_list (unsigned long form, | |
2316 | dwarf_vma uvalue, | |
2317 | unsigned char * data, | |
2318 | unsigned const char * end, | |
2319 | int level) | |
2320 | { | |
2321 | if (uvalue == 0) | |
2322 | { | |
2323 | printf ("[default]"); | |
2324 | return; | |
2325 | } | |
521d4b19 | 2326 | |
ec1b0fbb NC |
2327 | switch (form) |
2328 | { | |
2329 | case DW_FORM_block: | |
2330 | case DW_FORM_block1: | |
2331 | case DW_FORM_block2: | |
2332 | case DW_FORM_block4: | |
2333 | /* Move data pointer back to the start of the byte array. */ | |
2334 | data -= uvalue; | |
2335 | break; | |
2336 | default: | |
2337 | printf ("<corrupt>\n"); | |
2338 | warn (_("corrupt discr_list - not using a block form\n")); | |
2339 | return; | |
2340 | } | |
2341 | ||
2342 | if (uvalue < 2) | |
2343 | { | |
2344 | printf ("<corrupt>\n"); | |
2345 | warn (_("corrupt discr_list - block not long enough\n")); | |
2346 | return; | |
2347 | } | |
2348 | ||
2349 | bfd_boolean is_signed = | |
2350 | (level > 0 && level <= MAX_CU_NESTING) | |
2351 | ? level_type_signed [level - 1] : FALSE; | |
521d4b19 | 2352 | |
ec1b0fbb NC |
2353 | printf ("("); |
2354 | while (uvalue) | |
2355 | { | |
2356 | unsigned char discriminant; | |
2357 | unsigned int bytes_read; | |
2358 | ||
2359 | SAFE_BYTE_GET (discriminant, data, 1, end); | |
2360 | -- uvalue; | |
2361 | data ++; | |
2362 | ||
2363 | assert (uvalue > 0); | |
2364 | switch (discriminant) | |
2365 | { | |
2366 | case DW_DSC_label: | |
2367 | printf ("label "); | |
2368 | read_and_print_leb128 (data, & bytes_read, end, is_signed); | |
2369 | assert (bytes_read <= uvalue && bytes_read > 0); | |
2370 | uvalue -= bytes_read; | |
2371 | data += bytes_read; | |
2372 | break; | |
2373 | ||
2374 | case DW_DSC_range: | |
2375 | printf ("range "); | |
2376 | read_and_print_leb128 (data, & bytes_read, end, is_signed); | |
2377 | assert (bytes_read <= uvalue && bytes_read > 0); | |
2378 | uvalue -= bytes_read; | |
2379 | data += bytes_read; | |
2380 | ||
2381 | printf (".."); | |
2382 | read_and_print_leb128 (data, & bytes_read, end, is_signed); | |
2383 | assert (bytes_read <= uvalue && bytes_read > 0); | |
2384 | uvalue -= bytes_read; | |
2385 | data += bytes_read; | |
2386 | break; | |
2387 | ||
2388 | default: | |
2389 | printf ("<corrupt>\n"); | |
2390 | warn (_("corrupt discr_list - unrecognised discriminant byte %#x\n"), | |
2391 | discriminant); | |
2392 | return; | |
2393 | } | |
2394 | ||
2395 | if (uvalue) | |
2396 | printf (", "); | |
2397 | } | |
2398 | ||
2399 | if (is_signed) | |
2400 | printf (")(signed)"); | |
2401 | else | |
2402 | printf (")(unsigned)"); | |
2403 | } | |
2404 | ||
19e6b90e | 2405 | static unsigned char * |
dda8d76d NC |
2406 | read_and_display_attr_value (unsigned long attribute, |
2407 | unsigned long form, | |
2408 | dwarf_signed_vma implicit_const, | |
ec1b0fbb | 2409 | unsigned char * start, |
dda8d76d NC |
2410 | unsigned char * data, |
2411 | unsigned char * end, | |
2412 | dwarf_vma cu_offset, | |
2413 | dwarf_vma pointer_size, | |
2414 | dwarf_vma offset_size, | |
2415 | int dwarf_version, | |
2416 | debug_info * debug_info_p, | |
2417 | int do_loc, | |
2418 | struct dwarf_section * section, | |
2419 | struct cu_tu_set * this_set, | |
ec1b0fbb NC |
2420 | char delimiter, |
2421 | int level) | |
19e6b90e | 2422 | { |
cd30bcef | 2423 | dwarf_signed_vma svalue; |
ec1b0fbb NC |
2424 | dwarf_vma uvalue = 0; |
2425 | unsigned char * block_start = NULL; | |
2426 | unsigned char * orig_data = data; | |
19e6b90e | 2427 | |
f41e4712 | 2428 | if (data > end || (data == end && form != DW_FORM_flag_present)) |
0c588247 | 2429 | { |
f41e4712 | 2430 | warn (_("Corrupt attribute\n")); |
0c588247 NC |
2431 | return data; |
2432 | } | |
2433 | ||
521d4b19 NC |
2434 | if (do_wide && ! do_loc) |
2435 | { | |
2436 | /* PR 26847: Display the name of the form. */ | |
2437 | const char * name = get_FORM_name (form); | |
2438 | ||
2439 | /* For convenience we skip the DW_FORM_ prefix to the name. */ | |
2440 | if (name[0] == 'D') | |
2441 | name += 8; /* strlen ("DW_FORM_") */ | |
2442 | printf ("%c(%s)", delimiter, name); | |
2443 | } | |
2444 | ||
19e6b90e L |
2445 | switch (form) |
2446 | { | |
2447 | default: | |
2448 | break; | |
2449 | ||
2450 | case DW_FORM_ref_addr: | |
2451 | if (dwarf_version == 2) | |
0c588247 | 2452 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
ec47b32a | 2453 | else if (dwarf_version > 2) |
0c588247 | 2454 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
19e6b90e | 2455 | else |
ec47b32a | 2456 | error (_("Internal error: DW_FORM_ref_addr is not supported in DWARF version 1.\n")); |
19e6b90e L |
2457 | break; |
2458 | ||
2459 | case DW_FORM_addr: | |
0c588247 | 2460 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
19e6b90e L |
2461 | break; |
2462 | ||
2463 | case DW_FORM_strp: | |
77145576 | 2464 | case DW_FORM_line_strp: |
932fd279 | 2465 | case DW_FORM_sec_offset: |
a081f3cd JJ |
2466 | case DW_FORM_GNU_ref_alt: |
2467 | case DW_FORM_GNU_strp_alt: | |
0c588247 | 2468 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
19e6b90e L |
2469 | break; |
2470 | ||
932fd279 JJ |
2471 | case DW_FORM_flag_present: |
2472 | uvalue = 1; | |
2473 | break; | |
2474 | ||
19e6b90e L |
2475 | case DW_FORM_ref1: |
2476 | case DW_FORM_flag: | |
2477 | case DW_FORM_data1: | |
0c588247 | 2478 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
19e6b90e L |
2479 | break; |
2480 | ||
2481 | case DW_FORM_ref2: | |
2482 | case DW_FORM_data2: | |
0c588247 | 2483 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
19e6b90e L |
2484 | break; |
2485 | ||
2486 | case DW_FORM_ref4: | |
2487 | case DW_FORM_data4: | |
0c588247 | 2488 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
19e6b90e L |
2489 | break; |
2490 | ||
2491 | case DW_FORM_sdata: | |
cd30bcef AM |
2492 | READ_SLEB (svalue, data, end); |
2493 | uvalue = svalue; | |
19e6b90e L |
2494 | break; |
2495 | ||
4723351a | 2496 | case DW_FORM_GNU_str_index: |
19e6b90e L |
2497 | case DW_FORM_ref_udata: |
2498 | case DW_FORM_udata: | |
cd30bcef AM |
2499 | case DW_FORM_GNU_addr_index: |
2500 | READ_ULEB (uvalue, data, end); | |
19e6b90e L |
2501 | break; |
2502 | ||
2503 | case DW_FORM_indirect: | |
cd30bcef | 2504 | READ_ULEB (form, data, end); |
19e6b90e | 2505 | if (!do_loc) |
ef0b5f1c | 2506 | printf ("%c%s", delimiter, get_FORM_name (form)); |
77145576 | 2507 | if (form == DW_FORM_implicit_const) |
cd30bcef | 2508 | READ_SLEB (implicit_const, data, end); |
ec1b0fbb NC |
2509 | return read_and_display_attr_value (attribute, form, implicit_const, |
2510 | start, data, end, | |
2511 | cu_offset, pointer_size, | |
19e6b90e | 2512 | offset_size, dwarf_version, |
ec4d4525 | 2513 | debug_info_p, do_loc, |
ec1b0fbb | 2514 | section, this_set, delimiter, level); |
19e6b90e L |
2515 | } |
2516 | ||
2517 | switch (form) | |
2518 | { | |
2519 | case DW_FORM_ref_addr: | |
2520 | if (!do_loc) | |
bcd213b2 | 2521 | printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
2522 | break; |
2523 | ||
a081f3cd JJ |
2524 | case DW_FORM_GNU_ref_alt: |
2525 | if (!do_loc) | |
521d4b19 NC |
2526 | { |
2527 | if (do_wide) | |
2528 | /* We have already printed the form name. */ | |
2529 | printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue)); | |
2530 | else | |
2531 | printf ("%c<alt 0x%s>", delimiter, dwarf_vmatoa ("x", uvalue)); | |
2532 | } | |
dda8d76d | 2533 | /* FIXME: Follow the reference... */ |
a081f3cd JJ |
2534 | break; |
2535 | ||
19e6b90e L |
2536 | case DW_FORM_ref1: |
2537 | case DW_FORM_ref2: | |
2538 | case DW_FORM_ref4: | |
2539 | case DW_FORM_ref_udata: | |
2540 | if (!do_loc) | |
ef0b5f1c | 2541 | printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue + cu_offset)); |
19e6b90e L |
2542 | break; |
2543 | ||
2544 | case DW_FORM_data4: | |
2545 | case DW_FORM_addr: | |
932fd279 | 2546 | case DW_FORM_sec_offset: |
19e6b90e | 2547 | if (!do_loc) |
ef0b5f1c | 2548 | printf ("%c0x%s", delimiter, dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
2549 | break; |
2550 | ||
932fd279 | 2551 | case DW_FORM_flag_present: |
19e6b90e L |
2552 | case DW_FORM_flag: |
2553 | case DW_FORM_data1: | |
2554 | case DW_FORM_data2: | |
2555 | case DW_FORM_sdata: | |
2556 | case DW_FORM_udata: | |
2557 | if (!do_loc) | |
ef0b5f1c | 2558 | printf ("%c%s", delimiter, dwarf_vmatoa ("d", uvalue)); |
19e6b90e L |
2559 | break; |
2560 | ||
77145576 JK |
2561 | case DW_FORM_implicit_const: |
2562 | if (!do_loc) | |
2563 | printf ("%c%s", delimiter, dwarf_vmatoa ("d", implicit_const)); | |
2564 | break; | |
2565 | ||
19e6b90e L |
2566 | case DW_FORM_ref8: |
2567 | case DW_FORM_data8: | |
2bc8690c | 2568 | if (!do_loc) |
19e6b90e | 2569 | { |
74bc6052 | 2570 | dwarf_vma high_bits; |
a69c4772 | 2571 | dwarf_vma utmp; |
74bc6052 CC |
2572 | char buf[64]; |
2573 | ||
0c588247 | 2574 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); |
a69c4772 NC |
2575 | utmp = uvalue; |
2576 | if (form == DW_FORM_ref8) | |
2577 | add64 (& high_bits, & utmp, cu_offset); | |
ef0b5f1c | 2578 | printf ("%c0x%s", delimiter, |
a69c4772 | 2579 | dwarf_vmatoa64 (high_bits, utmp, buf, sizeof (buf))); |
19e6b90e | 2580 | } |
0c588247 | 2581 | |
19e6b90e L |
2582 | if ((do_loc || do_debug_loc || do_debug_ranges) |
2583 | && num_debug_info_entries == 0) | |
2584 | { | |
2585 | if (sizeof (uvalue) == 8) | |
0c588247 | 2586 | SAFE_BYTE_GET (uvalue, data, 8, end); |
19e6b90e | 2587 | else |
467c65bc | 2588 | error (_("DW_FORM_data8 is unsupported when sizeof (dwarf_vma) != 8\n")); |
19e6b90e | 2589 | } |
0c588247 | 2590 | |
19e6b90e L |
2591 | data += 8; |
2592 | break; | |
2593 | ||
2f6cd591 JK |
2594 | case DW_FORM_data16: |
2595 | if (!do_loc) | |
2596 | { | |
2597 | dwarf_vma left_high_bits, left_low_bits; | |
2598 | dwarf_vma right_high_bits, right_low_bits; | |
2599 | ||
2600 | SAFE_BYTE_GET64 (data, &left_high_bits, &left_low_bits, end); | |
2601 | SAFE_BYTE_GET64 (data + 8, &right_high_bits, &right_low_bits, end); | |
2602 | if (byte_get == byte_get_little_endian) | |
2603 | { | |
2604 | /* Swap them. */ | |
2605 | left_high_bits ^= right_high_bits; | |
2606 | right_high_bits ^= left_high_bits; | |
2607 | left_high_bits ^= right_high_bits; | |
2608 | left_low_bits ^= right_low_bits; | |
2609 | right_low_bits ^= left_low_bits; | |
2610 | left_low_bits ^= right_low_bits; | |
2611 | } | |
2612 | printf (" 0x%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x" | |
2613 | "%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x", | |
2614 | left_high_bits, left_low_bits, right_high_bits, | |
2615 | right_low_bits); | |
2616 | } | |
2617 | data += 16; | |
2618 | break; | |
2619 | ||
19e6b90e L |
2620 | case DW_FORM_string: |
2621 | if (!do_loc) | |
ef0b5f1c | 2622 | printf ("%c%.*s", delimiter, (int) (end - data), data); |
0c588247 | 2623 | data += strnlen ((char *) data, end - data) + 1; |
19e6b90e L |
2624 | break; |
2625 | ||
2626 | case DW_FORM_block: | |
932fd279 | 2627 | case DW_FORM_exprloc: |
cd30bcef AM |
2628 | READ_ULEB (uvalue, data, end); |
2629 | do_block: | |
2630 | block_start = data; | |
a1165289 NC |
2631 | if (block_start >= end) |
2632 | { | |
2633 | warn (_("Block ends prematurely\n")); | |
2634 | uvalue = 0; | |
2635 | block_start = end; | |
2636 | } | |
afc72f15 NC |
2637 | |
2638 | uvalue = check_uvalue (block_start, uvalue, end); | |
2639 | ||
19e6b90e L |
2640 | if (do_loc) |
2641 | data = block_start + uvalue; | |
2642 | else | |
ef0b5f1c | 2643 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
2644 | break; |
2645 | ||
2646 | case DW_FORM_block1: | |
cd30bcef AM |
2647 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
2648 | goto do_block; | |
19e6b90e L |
2649 | |
2650 | case DW_FORM_block2: | |
cd30bcef AM |
2651 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
2652 | goto do_block; | |
19e6b90e L |
2653 | |
2654 | case DW_FORM_block4: | |
cd30bcef AM |
2655 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
2656 | goto do_block; | |
19e6b90e L |
2657 | |
2658 | case DW_FORM_strp: | |
2659 | if (!do_loc) | |
521d4b19 NC |
2660 | { |
2661 | if (do_wide) | |
2662 | /* We have already displayed the form name. */ | |
2663 | printf (_("%c(offset: 0x%s): %s"), delimiter, | |
2664 | dwarf_vmatoa ("x", uvalue), | |
2665 | fetch_indirect_string (uvalue)); | |
2666 | else | |
2667 | printf (_("%c(indirect string, offset: 0x%s): %s"), delimiter, | |
2668 | dwarf_vmatoa ("x", uvalue), | |
2669 | fetch_indirect_string (uvalue)); | |
2670 | } | |
19e6b90e L |
2671 | break; |
2672 | ||
77145576 JK |
2673 | case DW_FORM_line_strp: |
2674 | if (!do_loc) | |
521d4b19 NC |
2675 | { |
2676 | if (do_wide) | |
2677 | /* We have already displayed the form name. */ | |
2678 | printf (_("%c(offset: 0x%s): %s"), delimiter, | |
2679 | dwarf_vmatoa ("x", uvalue), | |
2680 | fetch_indirect_line_string (uvalue)); | |
2681 | else | |
2682 | printf (_("%c(indirect line string, offset: 0x%s): %s"), delimiter, | |
2683 | dwarf_vmatoa ("x", uvalue), | |
2684 | fetch_indirect_line_string (uvalue)); | |
2685 | } | |
77145576 JK |
2686 | break; |
2687 | ||
4723351a CC |
2688 | case DW_FORM_GNU_str_index: |
2689 | if (!do_loc) | |
b4eb7656 | 2690 | { |
d85bf2ba NC |
2691 | const char * suffix = strrchr (section->name, '.'); |
2692 | bfd_boolean dwo = (suffix && strcmp (suffix, ".dwo") == 0) ? TRUE : FALSE; | |
b4eb7656 | 2693 | |
521d4b19 NC |
2694 | if (do_wide) |
2695 | /* We have already displayed the form name. */ | |
2696 | printf (_("%c(offset: 0x%s): %s"), delimiter, | |
2697 | dwarf_vmatoa ("x", uvalue), | |
2698 | fetch_indexed_string (uvalue, this_set, offset_size, dwo)); | |
2699 | else | |
2700 | printf (_("%c(indexed string: 0x%s): %s"), delimiter, | |
2701 | dwarf_vmatoa ("x", uvalue), | |
2702 | fetch_indexed_string (uvalue, this_set, offset_size, dwo)); | |
b4eb7656 | 2703 | } |
4723351a CC |
2704 | break; |
2705 | ||
a081f3cd JJ |
2706 | case DW_FORM_GNU_strp_alt: |
2707 | if (!do_loc) | |
dda8d76d | 2708 | { |
521d4b19 NC |
2709 | if (do_wide) |
2710 | /* We have already displayed the form name. */ | |
2711 | printf (_("%c(offset: 0x%s) %s"), delimiter, | |
2712 | dwarf_vmatoa ("x", uvalue), | |
2713 | fetch_alt_indirect_string (uvalue)); | |
2714 | else | |
2715 | printf (_("%c(alt indirect string, offset: 0x%s) %s"), delimiter, | |
2716 | dwarf_vmatoa ("x", uvalue), | |
2717 | fetch_alt_indirect_string (uvalue)); | |
dda8d76d | 2718 | } |
a081f3cd JJ |
2719 | break; |
2720 | ||
19e6b90e L |
2721 | case DW_FORM_indirect: |
2722 | /* Handled above. */ | |
2723 | break; | |
2724 | ||
2b6f5997 CC |
2725 | case DW_FORM_ref_sig8: |
2726 | if (!do_loc) | |
2727 | { | |
74bc6052 CC |
2728 | dwarf_vma high_bits; |
2729 | char buf[64]; | |
2730 | ||
0c588247 | 2731 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); |
521d4b19 NC |
2732 | if (do_wide) |
2733 | /* We have already displayed the form name. */ | |
2734 | printf ("%c: 0x%s", delimiter, | |
2735 | dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf))); | |
2736 | else | |
2737 | printf ("%csignature: 0x%s", delimiter, | |
2738 | dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf))); | |
2b6f5997 | 2739 | } |
74bc6052 | 2740 | data += 8; |
2b6f5997 CC |
2741 | break; |
2742 | ||
4723351a CC |
2743 | case DW_FORM_GNU_addr_index: |
2744 | if (!do_loc) | |
521d4b19 NC |
2745 | { |
2746 | if (do_wide) | |
2747 | /* We have already displayed the form name. */ | |
2748 | printf (_("%c(index: 0x%s): %s"), delimiter, | |
2749 | dwarf_vmatoa ("x", uvalue), | |
2750 | fetch_indexed_value (uvalue * pointer_size, pointer_size)); | |
2751 | else | |
2752 | printf (_("%c(addr_index: 0x%s): %s"), delimiter, | |
2753 | dwarf_vmatoa ("x", uvalue), | |
2754 | fetch_indexed_value (uvalue * pointer_size, pointer_size)); | |
2755 | } | |
4723351a CC |
2756 | break; |
2757 | ||
19e6b90e L |
2758 | default: |
2759 | warn (_("Unrecognized form: %lu\n"), form); | |
2760 | break; | |
2761 | } | |
2762 | ||
19e6b90e | 2763 | if ((do_loc || do_debug_loc || do_debug_ranges) |
fd2f0033 TT |
2764 | && num_debug_info_entries == 0 |
2765 | && debug_info_p != NULL) | |
19e6b90e L |
2766 | { |
2767 | switch (attribute) | |
2768 | { | |
2769 | case DW_AT_frame_base: | |
2770 | have_frame_base = 1; | |
1a0670f3 | 2771 | /* Fall through. */ |
19e6b90e | 2772 | case DW_AT_location: |
9f272209 | 2773 | case DW_AT_GNU_locviews: |
e2a0d921 NC |
2774 | case DW_AT_string_length: |
2775 | case DW_AT_return_addr: | |
19e6b90e L |
2776 | case DW_AT_data_member_location: |
2777 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
2778 | case DW_AT_segment: |
2779 | case DW_AT_static_link: | |
2780 | case DW_AT_use_location: | |
bc0a77d2 | 2781 | case DW_AT_call_value: |
629e7ca8 | 2782 | case DW_AT_GNU_call_site_value: |
bc0a77d2 | 2783 | case DW_AT_call_data_value: |
629e7ca8 | 2784 | case DW_AT_GNU_call_site_data_value: |
bc0a77d2 | 2785 | case DW_AT_call_target: |
629e7ca8 | 2786 | case DW_AT_GNU_call_site_target: |
bc0a77d2 | 2787 | case DW_AT_call_target_clobbered: |
629e7ca8 | 2788 | case DW_AT_GNU_call_site_target_clobbered: |
b4eb7656 | 2789 | if ((dwarf_version < 4 |
212b6063 | 2790 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 2791 | || form == DW_FORM_sec_offset) |
19e6b90e L |
2792 | { |
2793 | /* Process location list. */ | |
91d6fa6a | 2794 | unsigned int lmax = debug_info_p->max_loc_offsets; |
19e6b90e L |
2795 | unsigned int num = debug_info_p->num_loc_offsets; |
2796 | ||
91d6fa6a | 2797 | if (lmax == 0 || num >= lmax) |
19e6b90e | 2798 | { |
91d6fa6a | 2799 | lmax += 1024; |
467c65bc | 2800 | debug_info_p->loc_offsets = (dwarf_vma *) |
b4eb7656 AM |
2801 | xcrealloc (debug_info_p->loc_offsets, |
2802 | lmax, sizeof (*debug_info_p->loc_offsets)); | |
9f272209 AO |
2803 | debug_info_p->loc_views = (dwarf_vma *) |
2804 | xcrealloc (debug_info_p->loc_views, | |
2805 | lmax, sizeof (*debug_info_p->loc_views)); | |
3f5e193b | 2806 | debug_info_p->have_frame_base = (int *) |
b4eb7656 AM |
2807 | xcrealloc (debug_info_p->have_frame_base, |
2808 | lmax, sizeof (*debug_info_p->have_frame_base)); | |
91d6fa6a | 2809 | debug_info_p->max_loc_offsets = lmax; |
19e6b90e | 2810 | } |
341f9135 | 2811 | if (this_set != NULL) |
b4eb7656 | 2812 | uvalue += this_set->section_offsets [DW_SECT_LOC]; |
19e6b90e | 2813 | debug_info_p->have_frame_base [num] = have_frame_base; |
9f272209 AO |
2814 | if (attribute != DW_AT_GNU_locviews) |
2815 | { | |
a7504f87 NC |
2816 | /* Corrupt DWARF info can produce more offsets than views. |
2817 | See PR 23062 for an example. */ | |
2818 | if (debug_info_p->num_loc_offsets | |
2819 | > debug_info_p->num_loc_views) | |
2820 | warn (_("More location offset attributes than DW_AT_GNU_locview attributes\n")); | |
2821 | else | |
2822 | { | |
2823 | debug_info_p->loc_offsets [num] = uvalue; | |
2824 | debug_info_p->num_loc_offsets++; | |
2825 | } | |
9f272209 AO |
2826 | } |
2827 | else | |
2828 | { | |
2829 | assert (debug_info_p->num_loc_views <= num); | |
2830 | num = debug_info_p->num_loc_views; | |
a7504f87 NC |
2831 | if (num > debug_info_p->num_loc_offsets) |
2832 | warn (_("More DW_AT_GNU_locview attributes than location offset attributes\n")); | |
2833 | else | |
2834 | { | |
2835 | debug_info_p->loc_views [num] = uvalue; | |
2836 | debug_info_p->num_loc_views++; | |
2837 | } | |
9f272209 | 2838 | } |
19e6b90e L |
2839 | } |
2840 | break; | |
e2a0d921 | 2841 | |
19e6b90e L |
2842 | case DW_AT_low_pc: |
2843 | if (need_base_address) | |
2844 | debug_info_p->base_address = uvalue; | |
2845 | break; | |
2846 | ||
4723351a | 2847 | case DW_AT_GNU_addr_base: |
b4eb7656 | 2848 | debug_info_p->addr_base = uvalue; |
4723351a CC |
2849 | break; |
2850 | ||
2851 | case DW_AT_GNU_ranges_base: | |
b4eb7656 | 2852 | debug_info_p->ranges_base = uvalue; |
4723351a CC |
2853 | break; |
2854 | ||
19e6b90e | 2855 | case DW_AT_ranges: |
b4eb7656 | 2856 | if ((dwarf_version < 4 |
212b6063 | 2857 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 2858 | || form == DW_FORM_sec_offset) |
19e6b90e L |
2859 | { |
2860 | /* Process range list. */ | |
91d6fa6a | 2861 | unsigned int lmax = debug_info_p->max_range_lists; |
19e6b90e L |
2862 | unsigned int num = debug_info_p->num_range_lists; |
2863 | ||
91d6fa6a | 2864 | if (lmax == 0 || num >= lmax) |
19e6b90e | 2865 | { |
91d6fa6a | 2866 | lmax += 1024; |
467c65bc | 2867 | debug_info_p->range_lists = (dwarf_vma *) |
b4eb7656 AM |
2868 | xcrealloc (debug_info_p->range_lists, |
2869 | lmax, sizeof (*debug_info_p->range_lists)); | |
91d6fa6a | 2870 | debug_info_p->max_range_lists = lmax; |
19e6b90e L |
2871 | } |
2872 | debug_info_p->range_lists [num] = uvalue; | |
2873 | debug_info_p->num_range_lists++; | |
2874 | } | |
2875 | break; | |
2876 | ||
d85bf2ba NC |
2877 | case DW_AT_GNU_dwo_name: |
2878 | case DW_AT_dwo_name: | |
2879 | if (need_dwo_info) | |
2880 | switch (form) | |
2881 | { | |
2882 | case DW_FORM_strp: | |
50ea0877 | 2883 | add_dwo_name ((const char *) fetch_indirect_string (uvalue), cu_offset); |
d85bf2ba | 2884 | break; |
5568cc9e | 2885 | case DW_FORM_GNU_strp_alt: |
50ea0877 | 2886 | add_dwo_name ((const char *) fetch_alt_indirect_string (uvalue), cu_offset); |
5568cc9e | 2887 | break; |
d85bf2ba | 2888 | case DW_FORM_GNU_str_index: |
50ea0877 | 2889 | add_dwo_name (fetch_indexed_string (uvalue, this_set, offset_size, FALSE), cu_offset); |
d85bf2ba NC |
2890 | break; |
2891 | case DW_FORM_string: | |
50ea0877 | 2892 | add_dwo_name ((const char *) orig_data, cu_offset); |
d85bf2ba NC |
2893 | break; |
2894 | default: | |
2895 | warn (_("Unsupported form (%s) for attribute %s\n"), | |
2896 | get_FORM_name (form), get_AT_name (attribute)); | |
d85bf2ba NC |
2897 | break; |
2898 | } | |
2899 | break; | |
521d4b19 | 2900 | |
d85bf2ba NC |
2901 | case DW_AT_comp_dir: |
2902 | /* FIXME: Also extract a build-id in a CU/TU. */ | |
2903 | if (need_dwo_info) | |
2904 | switch (form) | |
2905 | { | |
2906 | case DW_FORM_strp: | |
50ea0877 | 2907 | add_dwo_dir ((const char *) fetch_indirect_string (uvalue), cu_offset); |
d85bf2ba | 2908 | break; |
5568cc9e | 2909 | case DW_FORM_GNU_strp_alt: |
50ea0877 | 2910 | add_dwo_dir (fetch_alt_indirect_string (uvalue), cu_offset); |
5568cc9e | 2911 | break; |
d85bf2ba | 2912 | case DW_FORM_line_strp: |
50ea0877 | 2913 | add_dwo_dir ((const char *) fetch_indirect_line_string (uvalue), cu_offset); |
d85bf2ba NC |
2914 | break; |
2915 | case DW_FORM_GNU_str_index: | |
50ea0877 | 2916 | add_dwo_dir (fetch_indexed_string (uvalue, this_set, offset_size, FALSE), cu_offset); |
d85bf2ba NC |
2917 | break; |
2918 | case DW_FORM_string: | |
50ea0877 | 2919 | add_dwo_dir ((const char *) orig_data, cu_offset); |
d85bf2ba NC |
2920 | break; |
2921 | default: | |
2922 | warn (_("Unsupported form (%s) for attribute %s\n"), | |
2923 | get_FORM_name (form), get_AT_name (attribute)); | |
d85bf2ba NC |
2924 | break; |
2925 | } | |
2926 | break; | |
521d4b19 | 2927 | |
d85bf2ba NC |
2928 | case DW_AT_GNU_dwo_id: |
2929 | if (need_dwo_info) | |
2930 | switch (form) | |
2931 | { | |
2932 | case DW_FORM_data8: | |
24841daa | 2933 | /* FIXME: Record the length of the ID as well ? */ |
50ea0877 | 2934 | add_dwo_id ((const char *) (data - 8), cu_offset); |
d85bf2ba NC |
2935 | break; |
2936 | default: | |
2937 | warn (_("Unsupported form (%s) for attribute %s\n"), | |
2938 | get_FORM_name (form), get_AT_name (attribute)); | |
d85bf2ba NC |
2939 | break; |
2940 | } | |
2941 | break; | |
521d4b19 | 2942 | |
19e6b90e L |
2943 | default: |
2944 | break; | |
2945 | } | |
2946 | } | |
2947 | ||
4ccf1e31 | 2948 | if (do_loc || attribute == 0) |
19e6b90e L |
2949 | return data; |
2950 | ||
ec4d4525 | 2951 | /* For some attributes we can display further information. */ |
19e6b90e L |
2952 | switch (attribute) |
2953 | { | |
ec1b0fbb | 2954 | case DW_AT_type: |
b3fe587e AM |
2955 | if (level >= 0 && level < MAX_CU_NESTING |
2956 | && uvalue < (size_t) (end - start)) | |
ec1b0fbb NC |
2957 | { |
2958 | bfd_boolean is_signed = FALSE; | |
bcd213b2 NC |
2959 | abbrev_entry * type_abbrev; |
2960 | unsigned char * type_data; | |
2961 | unsigned long type_cu_offset; | |
521d4b19 | 2962 | |
bcd213b2 NC |
2963 | type_abbrev = get_type_abbrev_from_form (form, uvalue, cu_offset, |
2964 | section, NULL, & type_data, & type_cu_offset); | |
2965 | if (type_abbrev != NULL) | |
2966 | { | |
2967 | get_type_signedness (type_abbrev, section, type_data, end, type_cu_offset, | |
2968 | pointer_size, offset_size, dwarf_version, | |
2969 | & is_signed, 0); | |
2970 | } | |
ec1b0fbb NC |
2971 | level_type_signed[level] = is_signed; |
2972 | } | |
2973 | break; | |
521d4b19 | 2974 | |
19e6b90e | 2975 | case DW_AT_inline: |
2e9e81a8 | 2976 | printf ("\t"); |
19e6b90e L |
2977 | switch (uvalue) |
2978 | { | |
2979 | case DW_INL_not_inlined: | |
2980 | printf (_("(not inlined)")); | |
2981 | break; | |
2982 | case DW_INL_inlined: | |
2983 | printf (_("(inlined)")); | |
2984 | break; | |
2985 | case DW_INL_declared_not_inlined: | |
2986 | printf (_("(declared as inline but ignored)")); | |
2987 | break; | |
2988 | case DW_INL_declared_inlined: | |
2989 | printf (_("(declared as inline and inlined)")); | |
2990 | break; | |
2991 | default: | |
47704ddf KT |
2992 | printf (_(" (Unknown inline attribute value: %s)"), |
2993 | dwarf_vmatoa ("x", uvalue)); | |
19e6b90e L |
2994 | break; |
2995 | } | |
2996 | break; | |
2997 | ||
2998 | case DW_AT_language: | |
2e9e81a8 | 2999 | printf ("\t"); |
19e6b90e L |
3000 | switch (uvalue) |
3001 | { | |
4b78141a | 3002 | /* Ordered by the numeric value of these constants. */ |
19e6b90e | 3003 | case DW_LANG_C89: printf ("(ANSI C)"); break; |
4b78141a NC |
3004 | case DW_LANG_C: printf ("(non-ANSI C)"); break; |
3005 | case DW_LANG_Ada83: printf ("(Ada)"); break; | |
19e6b90e | 3006 | case DW_LANG_C_plus_plus: printf ("(C++)"); break; |
4b78141a NC |
3007 | case DW_LANG_Cobol74: printf ("(Cobol 74)"); break; |
3008 | case DW_LANG_Cobol85: printf ("(Cobol 85)"); break; | |
19e6b90e L |
3009 | case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break; |
3010 | case DW_LANG_Fortran90: printf ("(Fortran 90)"); break; | |
19e6b90e | 3011 | case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break; |
4b78141a | 3012 | case DW_LANG_Modula2: printf ("(Modula 2)"); break; |
19e6b90e | 3013 | /* DWARF 2.1 values. */ |
4b78141a | 3014 | case DW_LANG_Java: printf ("(Java)"); break; |
19e6b90e L |
3015 | case DW_LANG_C99: printf ("(ANSI C99)"); break; |
3016 | case DW_LANG_Ada95: printf ("(ADA 95)"); break; | |
3017 | case DW_LANG_Fortran95: printf ("(Fortran 95)"); break; | |
4b78141a NC |
3018 | /* DWARF 3 values. */ |
3019 | case DW_LANG_PLI: printf ("(PLI)"); break; | |
3020 | case DW_LANG_ObjC: printf ("(Objective C)"); break; | |
3021 | case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break; | |
3022 | case DW_LANG_UPC: printf ("(Unified Parallel C)"); break; | |
3023 | case DW_LANG_D: printf ("(D)"); break; | |
2b6f5997 CC |
3024 | /* DWARF 4 values. */ |
3025 | case DW_LANG_Python: printf ("(Python)"); break; | |
3362e0d9 | 3026 | /* DWARF 5 values. */ |
2008a0db | 3027 | case DW_LANG_OpenCL: printf ("(OpenCL)"); break; |
3362e0d9 | 3028 | case DW_LANG_Go: printf ("(Go)"); break; |
2008a0db TT |
3029 | case DW_LANG_Modula3: printf ("(Modula 3)"); break; |
3030 | case DW_LANG_Haskell: printf ("(Haskell)"); break; | |
3031 | case DW_LANG_C_plus_plus_03: printf ("(C++03)"); break; | |
8bc10620 | 3032 | case DW_LANG_C_plus_plus_11: printf ("(C++11)"); break; |
2008a0db TT |
3033 | case DW_LANG_OCaml: printf ("(OCaml)"); break; |
3034 | case DW_LANG_Rust: printf ("(Rust)"); break; | |
6ddfe5b4 | 3035 | case DW_LANG_C11: printf ("(C11)"); break; |
2008a0db TT |
3036 | case DW_LANG_Swift: printf ("(Swift)"); break; |
3037 | case DW_LANG_Julia: printf ("(Julia)"); break; | |
3038 | case DW_LANG_Dylan: printf ("(Dylan)"); break; | |
8bc10620 | 3039 | case DW_LANG_C_plus_plus_14: printf ("(C++14)"); break; |
5a195044 MW |
3040 | case DW_LANG_Fortran03: printf ("(Fortran 03)"); break; |
3041 | case DW_LANG_Fortran08: printf ("(Fortran 08)"); break; | |
2008a0db | 3042 | case DW_LANG_RenderScript: printf ("(RenderScript)"); break; |
19e6b90e L |
3043 | /* MIPS extension. */ |
3044 | case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break; | |
3045 | /* UPC extension. */ | |
3046 | case DW_LANG_Upc: printf ("(Unified Parallel C)"); break; | |
3047 | default: | |
4b78141a | 3048 | if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user) |
9cf03b7e | 3049 | printf (_("(implementation defined: %s)"), |
467c65bc | 3050 | dwarf_vmatoa ("x", uvalue)); |
4b78141a | 3051 | else |
9cf03b7e | 3052 | printf (_("(Unknown: %s)"), dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
3053 | break; |
3054 | } | |
3055 | break; | |
3056 | ||
3057 | case DW_AT_encoding: | |
2e9e81a8 | 3058 | printf ("\t"); |
19e6b90e L |
3059 | switch (uvalue) |
3060 | { | |
3061 | case DW_ATE_void: printf ("(void)"); break; | |
3062 | case DW_ATE_address: printf ("(machine address)"); break; | |
3063 | case DW_ATE_boolean: printf ("(boolean)"); break; | |
3064 | case DW_ATE_complex_float: printf ("(complex float)"); break; | |
3065 | case DW_ATE_float: printf ("(float)"); break; | |
3066 | case DW_ATE_signed: printf ("(signed)"); break; | |
3067 | case DW_ATE_signed_char: printf ("(signed char)"); break; | |
3068 | case DW_ATE_unsigned: printf ("(unsigned)"); break; | |
3069 | case DW_ATE_unsigned_char: printf ("(unsigned char)"); break; | |
e2a0d921 | 3070 | /* DWARF 2.1 values: */ |
19e6b90e L |
3071 | case DW_ATE_imaginary_float: printf ("(imaginary float)"); break; |
3072 | case DW_ATE_decimal_float: printf ("(decimal float)"); break; | |
e2a0d921 NC |
3073 | /* DWARF 3 values: */ |
3074 | case DW_ATE_packed_decimal: printf ("(packed_decimal)"); break; | |
3075 | case DW_ATE_numeric_string: printf ("(numeric_string)"); break; | |
3076 | case DW_ATE_edited: printf ("(edited)"); break; | |
3077 | case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break; | |
3078 | case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break; | |
04914e37 NC |
3079 | /* DWARF 4 values: */ |
3080 | case DW_ATE_UTF: printf ("(unicode string)"); break; | |
3081 | /* DWARF 5 values: */ | |
3082 | case DW_ATE_UCS: printf ("(UCS)"); break; | |
3083 | case DW_ATE_ASCII: printf ("(ASCII)"); break; | |
3084 | ||
e2a0d921 NC |
3085 | /* HP extensions: */ |
3086 | case DW_ATE_HP_float80: printf ("(HP_float80)"); break; | |
3087 | case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break; | |
3088 | case DW_ATE_HP_float128: printf ("(HP_float128)"); break; | |
3089 | case DW_ATE_HP_complex_float128:printf ("(HP_complex_float128)"); break; | |
3090 | case DW_ATE_HP_floathpintel: printf ("(HP_floathpintel)"); break; | |
3091 | case DW_ATE_HP_imaginary_float80: printf ("(HP_imaginary_float80)"); break; | |
3092 | case DW_ATE_HP_imaginary_float128: printf ("(HP_imaginary_float128)"); break; | |
3093 | ||
19e6b90e L |
3094 | default: |
3095 | if (uvalue >= DW_ATE_lo_user | |
3096 | && uvalue <= DW_ATE_hi_user) | |
9cf03b7e | 3097 | printf (_("(user defined type)")); |
19e6b90e | 3098 | else |
9cf03b7e | 3099 | printf (_("(unknown type)")); |
19e6b90e L |
3100 | break; |
3101 | } | |
3102 | break; | |
3103 | ||
3104 | case DW_AT_accessibility: | |
2e9e81a8 | 3105 | printf ("\t"); |
19e6b90e L |
3106 | switch (uvalue) |
3107 | { | |
3108 | case DW_ACCESS_public: printf ("(public)"); break; | |
3109 | case DW_ACCESS_protected: printf ("(protected)"); break; | |
3110 | case DW_ACCESS_private: printf ("(private)"); break; | |
3111 | default: | |
9cf03b7e | 3112 | printf (_("(unknown accessibility)")); |
19e6b90e L |
3113 | break; |
3114 | } | |
3115 | break; | |
3116 | ||
3117 | case DW_AT_visibility: | |
2e9e81a8 | 3118 | printf ("\t"); |
19e6b90e L |
3119 | switch (uvalue) |
3120 | { | |
3121 | case DW_VIS_local: printf ("(local)"); break; | |
3122 | case DW_VIS_exported: printf ("(exported)"); break; | |
3123 | case DW_VIS_qualified: printf ("(qualified)"); break; | |
9cf03b7e | 3124 | default: printf (_("(unknown visibility)")); break; |
19e6b90e L |
3125 | } |
3126 | break; | |
3127 | ||
04914e37 NC |
3128 | case DW_AT_endianity: |
3129 | printf ("\t"); | |
3130 | switch (uvalue) | |
3131 | { | |
3132 | case DW_END_default: printf ("(default)"); break; | |
3133 | case DW_END_big: printf ("(big)"); break; | |
3134 | case DW_END_little: printf ("(little)"); break; | |
3135 | default: | |
3136 | if (uvalue >= DW_END_lo_user && uvalue <= DW_END_hi_user) | |
3137 | printf (_("(user specified)")); | |
3138 | else | |
3139 | printf (_("(unknown endianity)")); | |
3140 | break; | |
3141 | } | |
3142 | break; | |
3143 | ||
19e6b90e | 3144 | case DW_AT_virtuality: |
2e9e81a8 | 3145 | printf ("\t"); |
19e6b90e L |
3146 | switch (uvalue) |
3147 | { | |
3148 | case DW_VIRTUALITY_none: printf ("(none)"); break; | |
3149 | case DW_VIRTUALITY_virtual: printf ("(virtual)"); break; | |
3150 | case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break; | |
9cf03b7e | 3151 | default: printf (_("(unknown virtuality)")); break; |
19e6b90e L |
3152 | } |
3153 | break; | |
3154 | ||
3155 | case DW_AT_identifier_case: | |
2e9e81a8 | 3156 | printf ("\t"); |
19e6b90e L |
3157 | switch (uvalue) |
3158 | { | |
3159 | case DW_ID_case_sensitive: printf ("(case_sensitive)"); break; | |
3160 | case DW_ID_up_case: printf ("(up_case)"); break; | |
3161 | case DW_ID_down_case: printf ("(down_case)"); break; | |
3162 | case DW_ID_case_insensitive: printf ("(case_insensitive)"); break; | |
9cf03b7e | 3163 | default: printf (_("(unknown case)")); break; |
19e6b90e L |
3164 | } |
3165 | break; | |
3166 | ||
3167 | case DW_AT_calling_convention: | |
2e9e81a8 | 3168 | printf ("\t"); |
19e6b90e L |
3169 | switch (uvalue) |
3170 | { | |
3171 | case DW_CC_normal: printf ("(normal)"); break; | |
3172 | case DW_CC_program: printf ("(program)"); break; | |
3173 | case DW_CC_nocall: printf ("(nocall)"); break; | |
04914e37 NC |
3174 | case DW_CC_pass_by_reference: printf ("(pass by ref)"); break; |
3175 | case DW_CC_pass_by_value: printf ("(pass by value)"); break; | |
3176 | case DW_CC_GNU_renesas_sh: printf ("(Rensas SH)"); break; | |
3177 | case DW_CC_GNU_borland_fastcall_i386: printf ("(Borland fastcall i386)"); break; | |
19e6b90e L |
3178 | default: |
3179 | if (uvalue >= DW_CC_lo_user | |
3180 | && uvalue <= DW_CC_hi_user) | |
9cf03b7e | 3181 | printf (_("(user defined)")); |
19e6b90e | 3182 | else |
9cf03b7e | 3183 | printf (_("(unknown convention)")); |
19e6b90e L |
3184 | } |
3185 | break; | |
3186 | ||
3187 | case DW_AT_ordering: | |
2e9e81a8 | 3188 | printf ("\t"); |
19e6b90e L |
3189 | switch (uvalue) |
3190 | { | |
04914e37 | 3191 | case 255: |
9cf03b7e | 3192 | case -1: printf (_("(undefined)")); break; |
19e6b90e L |
3193 | case 0: printf ("(row major)"); break; |
3194 | case 1: printf ("(column major)"); break; | |
3195 | } | |
3196 | break; | |
3197 | ||
04914e37 NC |
3198 | case DW_AT_decimal_sign: |
3199 | printf ("\t"); | |
3200 | switch (uvalue) | |
3201 | { | |
3202 | case DW_DS_unsigned: printf (_("(unsigned)")); break; | |
3203 | case DW_DS_leading_overpunch: printf (_("(leading overpunch)")); break; | |
3204 | case DW_DS_trailing_overpunch: printf (_("(trailing overpunch)")); break; | |
3205 | case DW_DS_leading_separate: printf (_("(leading separate)")); break; | |
3206 | case DW_DS_trailing_separate: printf (_("(trailing separate)")); break; | |
3207 | default: printf (_("(unrecognised)")); break; | |
3208 | } | |
3209 | break; | |
3210 | ||
3211 | case DW_AT_defaulted: | |
3212 | printf ("\t"); | |
3213 | switch (uvalue) | |
3214 | { | |
3215 | case DW_DEFAULTED_no: printf (_("(no)")); break; | |
3216 | case DW_DEFAULTED_in_class: printf (_("(in class)")); break; | |
3217 | case DW_DEFAULTED_out_of_class: printf (_("(out of class)")); break; | |
3218 | default: printf (_("(unrecognised)")); break; | |
3219 | } | |
3220 | break; | |
3221 | ||
3222 | case DW_AT_discr_list: | |
3223 | printf ("\t"); | |
ec1b0fbb | 3224 | display_discr_list (form, uvalue, data, end, level); |
04914e37 | 3225 | break; |
521d4b19 | 3226 | |
19e6b90e L |
3227 | case DW_AT_frame_base: |
3228 | have_frame_base = 1; | |
1a0670f3 | 3229 | /* Fall through. */ |
19e6b90e | 3230 | case DW_AT_location: |
e2a0d921 NC |
3231 | case DW_AT_string_length: |
3232 | case DW_AT_return_addr: | |
19e6b90e L |
3233 | case DW_AT_data_member_location: |
3234 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
3235 | case DW_AT_segment: |
3236 | case DW_AT_static_link: | |
3237 | case DW_AT_use_location: | |
bc0a77d2 | 3238 | case DW_AT_call_value: |
629e7ca8 | 3239 | case DW_AT_GNU_call_site_value: |
bc0a77d2 | 3240 | case DW_AT_call_data_value: |
629e7ca8 | 3241 | case DW_AT_GNU_call_site_data_value: |
bc0a77d2 | 3242 | case DW_AT_call_target: |
629e7ca8 | 3243 | case DW_AT_GNU_call_site_target: |
bc0a77d2 | 3244 | case DW_AT_call_target_clobbered: |
629e7ca8 | 3245 | case DW_AT_GNU_call_site_target_clobbered: |
212b6063 | 3246 | if ((dwarf_version < 4 |
b4eb7656 | 3247 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 3248 | || form == DW_FORM_sec_offset) |
2e9e81a8 | 3249 | printf (_(" (location list)")); |
e2a0d921 | 3250 | /* Fall through. */ |
19e6b90e L |
3251 | case DW_AT_allocated: |
3252 | case DW_AT_associated: | |
3253 | case DW_AT_data_location: | |
3254 | case DW_AT_stride: | |
3255 | case DW_AT_upper_bound: | |
cecf136e | 3256 | case DW_AT_lower_bound: |
19e6b90e L |
3257 | if (block_start) |
3258 | { | |
3259 | int need_frame_base; | |
3260 | ||
2e9e81a8 | 3261 | printf ("\t("); |
19e6b90e L |
3262 | need_frame_base = decode_location_expression (block_start, |
3263 | pointer_size, | |
b7807392 JJ |
3264 | offset_size, |
3265 | dwarf_version, | |
19e6b90e | 3266 | uvalue, |
f1c4cc75 | 3267 | cu_offset, section); |
19e6b90e L |
3268 | printf (")"); |
3269 | if (need_frame_base && !have_frame_base) | |
3270 | printf (_(" [without DW_AT_frame_base]")); | |
3271 | } | |
19e6b90e L |
3272 | break; |
3273 | ||
c54207d3 NC |
3274 | case DW_AT_data_bit_offset: |
3275 | case DW_AT_byte_size: | |
3276 | case DW_AT_bit_size: | |
3277 | case DW_AT_string_length_byte_size: | |
3278 | case DW_AT_string_length_bit_size: | |
3279 | case DW_AT_bit_stride: | |
3280 | if (form == DW_FORM_exprloc) | |
3281 | { | |
3282 | printf ("\t("); | |
3283 | (void) decode_location_expression (block_start, pointer_size, | |
3284 | offset_size, dwarf_version, | |
3285 | uvalue, cu_offset, section); | |
3286 | printf (")"); | |
3287 | } | |
3288 | break; | |
3289 | ||
ec4d4525 NC |
3290 | case DW_AT_import: |
3291 | { | |
bcd213b2 NC |
3292 | unsigned long abbrev_number; |
3293 | abbrev_entry *entry; | |
2b6f5997 | 3294 | |
bcd213b2 NC |
3295 | entry = get_type_abbrev_from_form (form, uvalue, cu_offset, |
3296 | section, & abbrev_number, NULL, NULL); | |
3297 | if (entry == NULL) | |
3298 | { | |
3299 | if (form != DW_FORM_GNU_ref_alt) | |
3300 | warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset 0x%lx is too big.\n"), | |
3301 | dwarf_vmatoa ("x", uvalue), | |
3302 | (unsigned long) (orig_data - section->start)); | |
3303 | } | |
6e3d6dc1 NC |
3304 | else |
3305 | { | |
2e9e81a8 | 3306 | printf (_("\t[Abbrev Number: %ld"), abbrev_number); |
bcd213b2 | 3307 | printf (" (%s)", get_TAG_name (entry->tag)); |
6e3d6dc1 NC |
3308 | printf ("]"); |
3309 | } | |
ec4d4525 NC |
3310 | } |
3311 | break; | |
3312 | ||
19e6b90e L |
3313 | default: |
3314 | break; | |
3315 | } | |
3316 | ||
3317 | return data; | |
3318 | } | |
3319 | ||
19e6b90e | 3320 | static unsigned char * |
dda8d76d NC |
3321 | read_and_display_attr (unsigned long attribute, |
3322 | unsigned long form, | |
3323 | dwarf_signed_vma implicit_const, | |
ec1b0fbb | 3324 | unsigned char * start, |
dda8d76d NC |
3325 | unsigned char * data, |
3326 | unsigned char * end, | |
3327 | dwarf_vma cu_offset, | |
3328 | dwarf_vma pointer_size, | |
3329 | dwarf_vma offset_size, | |
3330 | int dwarf_version, | |
3331 | debug_info * debug_info_p, | |
3332 | int do_loc, | |
3333 | struct dwarf_section * section, | |
ec1b0fbb NC |
3334 | struct cu_tu_set * this_set, |
3335 | int level) | |
19e6b90e L |
3336 | { |
3337 | if (!do_loc) | |
750f03b7 | 3338 | printf (" %-18s:", get_AT_name (attribute)); |
ec1b0fbb NC |
3339 | data = read_and_display_attr_value (attribute, form, implicit_const, |
3340 | start, data, end, | |
f6f0e17b | 3341 | cu_offset, pointer_size, offset_size, |
19e6b90e | 3342 | dwarf_version, debug_info_p, |
ec1b0fbb | 3343 | do_loc, section, this_set, ' ', level); |
19e6b90e L |
3344 | if (!do_loc) |
3345 | printf ("\n"); | |
3346 | return data; | |
3347 | } | |
3348 | ||
dda8d76d | 3349 | /* Like load_debug_section, but if the ordinary call fails, and we are |
24841daa NC |
3350 | following debug links, then attempt to load the requested section |
3351 | from one of the separate debug info files. */ | |
dda8d76d NC |
3352 | |
3353 | static bfd_boolean | |
3354 | load_debug_section_with_follow (enum dwarf_section_display_enum sec_enum, | |
24841daa | 3355 | void * handle) |
dda8d76d | 3356 | { |
24841daa | 3357 | if (load_debug_section (sec_enum, handle)) |
dda8d76d | 3358 | { |
24841daa NC |
3359 | if (debug_displays[sec_enum].section.filename == NULL) |
3360 | { | |
3361 | /* See if we can associate a filename with this section. */ | |
3362 | separate_info * i; | |
3363 | ||
3364 | for (i = first_separate_info; i != NULL; i = i->next) | |
3365 | if (i->handle == handle) | |
3366 | { | |
3367 | debug_displays[sec_enum].section.filename = i->filename; | |
3368 | break; | |
3369 | } | |
3370 | } | |
3371 | ||
dda8d76d NC |
3372 | return TRUE; |
3373 | } | |
3374 | ||
24841daa NC |
3375 | if (do_follow_links) |
3376 | { | |
3377 | separate_info * i; | |
3378 | ||
3379 | for (i = first_separate_info; i != NULL; i = i->next) | |
3380 | { | |
3381 | if (load_debug_section (sec_enum, i->handle)) | |
3382 | { | |
3383 | debug_displays[sec_enum].section.filename = i->filename; | |
3384 | ||
3385 | /* FIXME: We should check to see if any of the remaining debug info | |
3386 | files also contain this section, and, umm, do something about it. */ | |
3387 | return TRUE; | |
3388 | } | |
3389 | } | |
3390 | } | |
dda8d76d NC |
3391 | |
3392 | return FALSE; | |
3393 | } | |
3394 | ||
3395 | static void | |
3396 | introduce (struct dwarf_section * section, bfd_boolean raw) | |
3397 | { | |
3398 | if (raw) | |
3399 | { | |
3400 | if (do_follow_links && section->filename) | |
3401 | printf (_("Raw dump of debug contents of section %s (loaded from %s):\n\n"), | |
3402 | section->name, section->filename); | |
3403 | else | |
3404 | printf (_("Raw dump of debug contents of section %s:\n\n"), section->name); | |
3405 | } | |
3406 | else | |
3407 | { | |
3408 | if (do_follow_links && section->filename) | |
3409 | printf (_("Contents of the %s section (loaded from %s):\n\n"), | |
3410 | section->name, section->filename); | |
3411 | else | |
3412 | printf (_("Contents of the %s section:\n\n"), section->name); | |
3413 | } | |
3414 | } | |
521d4b19 | 3415 | |
d85bf2ba NC |
3416 | /* Process the contents of a .debug_info section. |
3417 | If do_loc is TRUE then we are scanning for location lists and dwo tags | |
3418 | and we do not want to display anything to the user. | |
3419 | If do_types is TRUE, we are processing a .debug_types section instead of | |
3420 | a .debug_info section. | |
3421 | The information displayed is restricted by the values in DWARF_START_DIE | |
3422 | and DWARF_CUTOFF_LEVEL. | |
3423 | Returns TRUE upon success. Otherwise an error or warning message is | |
3424 | printed and FALSE is returned. */ | |
19e6b90e | 3425 | |
d85bf2ba NC |
3426 | static bfd_boolean |
3427 | process_debug_info (struct dwarf_section * section, | |
3428 | void * file, | |
3429 | enum dwarf_section_display_enum abbrev_sec, | |
3430 | bfd_boolean do_loc, | |
3431 | bfd_boolean do_types) | |
19e6b90e L |
3432 | { |
3433 | unsigned char *start = section->start; | |
3434 | unsigned char *end = start + section->size; | |
3435 | unsigned char *section_begin; | |
3436 | unsigned int unit; | |
3437 | unsigned int num_units = 0; | |
3438 | ||
3439 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
3440 | && num_debug_info_entries == 0 |
3441 | && ! do_types) | |
19e6b90e | 3442 | { |
767221a9 | 3443 | dwarf_vma length; |
19e6b90e L |
3444 | |
3445 | /* First scan the section to get the number of comp units. */ | |
3446 | for (section_begin = start, num_units = 0; section_begin < end; | |
3447 | num_units ++) | |
3448 | { | |
3449 | /* Read the first 4 bytes. For a 32-bit DWARF section, this | |
3450 | will be the length. For a 64-bit DWARF section, it'll be | |
3451 | the escape code 0xffffffff followed by an 8 byte length. */ | |
0c588247 | 3452 | SAFE_BYTE_GET (length, section_begin, 4, end); |
19e6b90e L |
3453 | |
3454 | if (length == 0xffffffff) | |
3455 | { | |
0c588247 | 3456 | SAFE_BYTE_GET (length, section_begin + 4, 8, end); |
19e6b90e L |
3457 | section_begin += length + 12; |
3458 | } | |
ec4d4525 NC |
3459 | else if (length >= 0xfffffff0 && length < 0xffffffff) |
3460 | { | |
767221a9 NC |
3461 | warn (_("Reserved length value (0x%s) found in section %s\n"), |
3462 | dwarf_vmatoa ("x", length), section->name); | |
d85bf2ba | 3463 | return FALSE; |
ec4d4525 | 3464 | } |
19e6b90e L |
3465 | else |
3466 | section_begin += length + 4; | |
aca88567 NC |
3467 | |
3468 | /* Negative values are illegal, they may even cause infinite | |
3469 | looping. This can happen if we can't accurately apply | |
f3853b34 NC |
3470 | relocations to an object file, or if the file is corrupt. */ |
3471 | if ((signed long) length <= 0 || section_begin < start) | |
aca88567 | 3472 | { |
767221a9 NC |
3473 | warn (_("Corrupt unit length (0x%s) found in section %s\n"), |
3474 | dwarf_vmatoa ("x", length), section->name); | |
d85bf2ba | 3475 | return FALSE; |
aca88567 | 3476 | } |
19e6b90e L |
3477 | } |
3478 | ||
3479 | if (num_units == 0) | |
3480 | { | |
f41e4712 | 3481 | error (_("No comp units in %s section ?\n"), section->name); |
d85bf2ba | 3482 | return FALSE; |
19e6b90e L |
3483 | } |
3484 | ||
3485 | /* Then allocate an array to hold the information. */ | |
3f5e193b | 3486 | debug_information = (debug_info *) cmalloc (num_units, |
1306a742 | 3487 | sizeof (* debug_information)); |
19e6b90e L |
3488 | if (debug_information == NULL) |
3489 | { | |
f41e4712 | 3490 | error (_("Not enough memory for a debug info array of %u entries\n"), |
19e6b90e | 3491 | num_units); |
82b1b41b | 3492 | alloc_num_debug_info_entries = num_debug_info_entries = 0; |
d85bf2ba | 3493 | return FALSE; |
19e6b90e | 3494 | } |
d85bf2ba | 3495 | |
03a91817 NC |
3496 | /* PR 17531: file: 92ca3797. |
3497 | We cannot rely upon the debug_information array being initialised | |
3498 | before it is used. A corrupt file could easily contain references | |
3499 | to a unit for which information has not been made available. So | |
3500 | we ensure that the array is zeroed here. */ | |
b4eb7656 AM |
3501 | memset (debug_information, 0, num_units * sizeof (*debug_information)); |
3502 | ||
82b1b41b | 3503 | alloc_num_debug_info_entries = num_units; |
19e6b90e L |
3504 | } |
3505 | ||
3506 | if (!do_loc) | |
3507 | { | |
dda8d76d NC |
3508 | load_debug_section_with_follow (str, file); |
3509 | load_debug_section_with_follow (line_str, file); | |
3510 | load_debug_section_with_follow (str_dwo, file); | |
3511 | load_debug_section_with_follow (str_index, file); | |
3512 | load_debug_section_with_follow (str_index_dwo, file); | |
3513 | load_debug_section_with_follow (debug_addr, file); | |
19e6b90e | 3514 | } |
521d4b19 | 3515 | |
dda8d76d | 3516 | load_debug_section_with_follow (abbrev_sec, file); |
6f875884 | 3517 | if (debug_displays [abbrev_sec].section.start == NULL) |
19e6b90e L |
3518 | { |
3519 | warn (_("Unable to locate %s section!\n"), | |
dda8d76d | 3520 | debug_displays [abbrev_sec].section.uncompressed_name); |
d85bf2ba | 3521 | return FALSE; |
19e6b90e L |
3522 | } |
3523 | ||
dda8d76d NC |
3524 | if (!do_loc && dwarf_start_die == 0) |
3525 | introduce (section, FALSE); | |
bcd213b2 NC |
3526 | |
3527 | free_all_abbrevs (); | |
3528 | free (cu_abbrev_map); | |
3529 | cu_abbrev_map = NULL; | |
3530 | next_free_abbrev_map_entry = 0; | |
521d4b19 | 3531 | |
bcd213b2 NC |
3532 | /* In order to be able to resolve DW_FORM_ref_attr forms we need |
3533 | to load *all* of the abbrevs for all CUs in this .debug_info | |
3534 | section. This does effectively mean that we (partially) read | |
3535 | every CU header twice. */ | |
3536 | for (section_begin = start; start < end;) | |
3537 | { | |
3538 | DWARF2_Internal_CompUnit compunit; | |
3539 | unsigned char * hdrptr; | |
76868f36 L |
3540 | dwarf_vma abbrev_base; |
3541 | size_t abbrev_size; | |
bcd213b2 NC |
3542 | dwarf_vma cu_offset; |
3543 | unsigned int offset_size; | |
3544 | unsigned int initial_length_size; | |
3545 | struct cu_tu_set * this_set; | |
3546 | abbrev_list * list; | |
3547 | ||
3548 | hdrptr = start; | |
3549 | ||
3550 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end); | |
3551 | ||
3552 | if (compunit.cu_length == 0xffffffff) | |
3553 | { | |
3554 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end); | |
3555 | offset_size = 8; | |
3556 | initial_length_size = 12; | |
3557 | } | |
3558 | else | |
3559 | { | |
3560 | offset_size = 4; | |
3561 | initial_length_size = 4; | |
3562 | } | |
3563 | ||
3564 | SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end); | |
3565 | ||
3566 | cu_offset = start - section_begin; | |
3567 | ||
3568 | this_set = find_cu_tu_set_v2 (cu_offset, do_types); | |
3569 | ||
3570 | if (compunit.cu_version < 5) | |
3571 | { | |
3572 | compunit.cu_unit_type = DW_UT_compile; | |
3573 | /* Initialize it due to a false compiler warning. */ | |
3574 | compunit.cu_pointer_size = -1; | |
3575 | } | |
3576 | else | |
3577 | { | |
3578 | SAFE_BYTE_GET_AND_INC (compunit.cu_unit_type, hdrptr, 1, end); | |
3579 | do_types = (compunit.cu_unit_type == DW_UT_type); | |
3580 | ||
3581 | SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end); | |
3582 | } | |
3583 | ||
3584 | SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end); | |
3585 | ||
9b87f84a TV |
3586 | if (compunit.cu_unit_type == DW_UT_split_compile |
3587 | || compunit.cu_unit_type == DW_UT_skeleton) | |
3588 | { | |
3589 | uint64_t dwo_id; | |
3590 | SAFE_BYTE_GET_AND_INC (dwo_id, hdrptr, 8, end); | |
3591 | } | |
3592 | ||
76868f36 L |
3593 | if (this_set == NULL) |
3594 | { | |
3595 | abbrev_base = 0; | |
3596 | abbrev_size = debug_displays [abbrev_sec].section.size; | |
3597 | } | |
3598 | else | |
3599 | { | |
3600 | abbrev_base = this_set->section_offsets [DW_SECT_ABBREV]; | |
3601 | abbrev_size = this_set->section_sizes [DW_SECT_ABBREV]; | |
3602 | } | |
3603 | ||
3604 | list = find_abbrev_list_by_abbrev_offset (abbrev_base, | |
3605 | compunit.cu_abbrev_offset); | |
bcd213b2 NC |
3606 | if (list == NULL) |
3607 | { | |
bcd213b2 NC |
3608 | unsigned char * next; |
3609 | ||
76868f36 L |
3610 | list = new_abbrev_list (abbrev_base, |
3611 | compunit.cu_abbrev_offset); | |
bcd213b2 NC |
3612 | next = process_abbrev_set |
3613 | (((unsigned char *) debug_displays [abbrev_sec].section.start | |
3614 | + abbrev_base + compunit.cu_abbrev_offset), | |
3615 | ((unsigned char *) debug_displays [abbrev_sec].section.start | |
3616 | + abbrev_base + abbrev_size), | |
3617 | list); | |
3618 | list->start_of_next_abbrevs = next; | |
3619 | } | |
521d4b19 | 3620 | |
bcd213b2 NC |
3621 | start = section_begin + cu_offset + compunit.cu_length |
3622 | + initial_length_size; | |
3623 | record_abbrev_list_for_cu (cu_offset, start - section_begin, list); | |
3624 | } | |
3625 | ||
3626 | for (start = section_begin, unit = 0; start < end; unit++) | |
19e6b90e L |
3627 | { |
3628 | DWARF2_Internal_CompUnit compunit; | |
3629 | unsigned char *hdrptr; | |
19e6b90e | 3630 | unsigned char *tags; |
fd2f0033 | 3631 | int level, last_level, saved_level; |
467c65bc | 3632 | dwarf_vma cu_offset; |
e98fdf1a | 3633 | unsigned long sec_off; |
bf5117e3 | 3634 | unsigned int offset_size; |
19485196 | 3635 | unsigned int initial_length_size; |
74bc6052 CC |
3636 | dwarf_vma signature_high = 0; |
3637 | dwarf_vma signature_low = 0; | |
767221a9 | 3638 | dwarf_vma type_offset = 0; |
341f9135 CC |
3639 | struct cu_tu_set *this_set; |
3640 | dwarf_vma abbrev_base; | |
3641 | size_t abbrev_size; | |
bcd213b2 | 3642 | abbrev_list * list = NULL; |
19e6b90e L |
3643 | |
3644 | hdrptr = start; | |
3645 | ||
0c588247 | 3646 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end); |
19e6b90e L |
3647 | |
3648 | if (compunit.cu_length == 0xffffffff) | |
3649 | { | |
0c588247 | 3650 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end); |
19e6b90e L |
3651 | offset_size = 8; |
3652 | initial_length_size = 12; | |
3653 | } | |
3654 | else | |
3655 | { | |
3656 | offset_size = 4; | |
3657 | initial_length_size = 4; | |
3658 | } | |
3659 | ||
0c588247 | 3660 | SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end); |
19e6b90e L |
3661 | |
3662 | cu_offset = start - section_begin; | |
19e6b90e | 3663 | |
341f9135 CC |
3664 | this_set = find_cu_tu_set_v2 (cu_offset, do_types); |
3665 | ||
77145576 JK |
3666 | if (compunit.cu_version < 5) |
3667 | { | |
3668 | compunit.cu_unit_type = DW_UT_compile; | |
3669 | /* Initialize it due to a false compiler warning. */ | |
3670 | compunit.cu_pointer_size = -1; | |
3671 | } | |
3672 | else | |
3673 | { | |
3674 | SAFE_BYTE_GET_AND_INC (compunit.cu_unit_type, hdrptr, 1, end); | |
3675 | do_types = (compunit.cu_unit_type == DW_UT_type); | |
3676 | ||
3677 | SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end); | |
3678 | } | |
3679 | ||
0c588247 | 3680 | SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end); |
19e6b90e | 3681 | |
341f9135 CC |
3682 | if (this_set == NULL) |
3683 | { | |
3684 | abbrev_base = 0; | |
3685 | abbrev_size = debug_displays [abbrev_sec].section.size; | |
3686 | } | |
3687 | else | |
3688 | { | |
3689 | abbrev_base = this_set->section_offsets [DW_SECT_ABBREV]; | |
3690 | abbrev_size = this_set->section_sizes [DW_SECT_ABBREV]; | |
3691 | } | |
3692 | ||
77145576 JK |
3693 | if (compunit.cu_version < 5) |
3694 | SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end); | |
3695 | ||
d60f7998 | 3696 | bfd_boolean do_dwo_id = FALSE; |
e6ca1878 | 3697 | uint64_t dwo_id = 0; |
9b87f84a TV |
3698 | if (compunit.cu_unit_type == DW_UT_split_compile |
3699 | || compunit.cu_unit_type == DW_UT_skeleton) | |
3700 | { | |
9b87f84a | 3701 | SAFE_BYTE_GET_AND_INC (dwo_id, hdrptr, 8, end); |
d60f7998 | 3702 | do_dwo_id = TRUE; |
9b87f84a TV |
3703 | } |
3704 | ||
f41e4712 NC |
3705 | /* PR 17512: file: 001-108546-0.001:0.1. */ |
3706 | if (compunit.cu_pointer_size < 2 || compunit.cu_pointer_size > 8) | |
3707 | { | |
3708 | warn (_("Invalid pointer size (%d) in compunit header, using %d instead\n"), | |
3709 | compunit.cu_pointer_size, offset_size); | |
3710 | compunit.cu_pointer_size = offset_size; | |
3711 | } | |
2b6f5997 CC |
3712 | |
3713 | if (do_types) | |
b4eb7656 | 3714 | { |
0c588247 | 3715 | SAFE_BYTE_GET64 (hdrptr, &signature_high, &signature_low, end); |
f048b142 | 3716 | hdrptr += 8; |
0c588247 | 3717 | SAFE_BYTE_GET_AND_INC (type_offset, hdrptr, offset_size, end); |
b4eb7656 | 3718 | } |
2b6f5997 | 3719 | |
ae7e7825 NC |
3720 | if (dwarf_start_die > (cu_offset + compunit.cu_length |
3721 | + initial_length_size)) | |
3722 | { | |
3723 | start = section_begin + cu_offset + compunit.cu_length | |
3724 | + initial_length_size; | |
3725 | continue; | |
3726 | } | |
3727 | ||
19e6b90e | 3728 | if ((do_loc || do_debug_loc || do_debug_ranges) |
2b6f5997 | 3729 | && num_debug_info_entries == 0 |
c4b2f181 | 3730 | && alloc_num_debug_info_entries > unit |
2b6f5997 | 3731 | && ! do_types) |
19e6b90e L |
3732 | { |
3733 | debug_information [unit].cu_offset = cu_offset; | |
3734 | debug_information [unit].pointer_size | |
3735 | = compunit.cu_pointer_size; | |
b7807392 JJ |
3736 | debug_information [unit].offset_size = offset_size; |
3737 | debug_information [unit].dwarf_version = compunit.cu_version; | |
19e6b90e | 3738 | debug_information [unit].base_address = 0; |
4723351a CC |
3739 | debug_information [unit].addr_base = DEBUG_INFO_UNAVAILABLE; |
3740 | debug_information [unit].ranges_base = DEBUG_INFO_UNAVAILABLE; | |
19e6b90e L |
3741 | debug_information [unit].loc_offsets = NULL; |
3742 | debug_information [unit].have_frame_base = NULL; | |
3743 | debug_information [unit].max_loc_offsets = 0; | |
3744 | debug_information [unit].num_loc_offsets = 0; | |
3745 | debug_information [unit].range_lists = NULL; | |
3746 | debug_information [unit].max_range_lists= 0; | |
3747 | debug_information [unit].num_range_lists = 0; | |
3748 | } | |
3749 | ||
fd2f0033 | 3750 | if (!do_loc && dwarf_start_die == 0) |
19e6b90e | 3751 | { |
47704ddf KT |
3752 | printf (_(" Compilation Unit @ offset 0x%s:\n"), |
3753 | dwarf_vmatoa ("x", cu_offset)); | |
3754 | printf (_(" Length: 0x%s (%s)\n"), | |
3755 | dwarf_vmatoa ("x", compunit.cu_length), | |
49e7b350 | 3756 | offset_size == 8 ? "64-bit" : "32-bit"); |
19e6b90e | 3757 | printf (_(" Version: %d\n"), compunit.cu_version); |
debd1a62 MW |
3758 | if (compunit.cu_version >= 5) |
3759 | printf (_(" Unit Type: %s (%x)\n"), | |
3760 | get_DW_UT_name (compunit.cu_unit_type) ?: "???", | |
3761 | compunit.cu_unit_type); | |
7282333f AM |
3762 | printf (_(" Abbrev Offset: 0x%s\n"), |
3763 | dwarf_vmatoa ("x", compunit.cu_abbrev_offset)); | |
19e6b90e | 3764 | printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size); |
2b6f5997 CC |
3765 | if (do_types) |
3766 | { | |
74bc6052 CC |
3767 | char buf[64]; |
3768 | ||
3769 | printf (_(" Signature: 0x%s\n"), | |
3770 | dwarf_vmatoa64 (signature_high, signature_low, | |
3771 | buf, sizeof (buf))); | |
3772 | printf (_(" Type Offset: 0x%s\n"), | |
3773 | dwarf_vmatoa ("x", type_offset)); | |
2b6f5997 | 3774 | } |
d60f7998 TV |
3775 | if (do_dwo_id) |
3776 | printf (_(" DWO ID: 0x%s\n"), dwarf_vmatoa ("x", dwo_id)); | |
341f9135 CC |
3777 | if (this_set != NULL) |
3778 | { | |
3779 | dwarf_vma *offsets = this_set->section_offsets; | |
3780 | size_t *sizes = this_set->section_sizes; | |
3781 | ||
3782 | printf (_(" Section contributions:\n")); | |
3783 | printf (_(" .debug_abbrev.dwo: 0x%s 0x%s\n"), | |
3784 | dwarf_vmatoa ("x", offsets [DW_SECT_ABBREV]), | |
3785 | dwarf_vmatoa ("x", sizes [DW_SECT_ABBREV])); | |
3786 | printf (_(" .debug_line.dwo: 0x%s 0x%s\n"), | |
3787 | dwarf_vmatoa ("x", offsets [DW_SECT_LINE]), | |
3788 | dwarf_vmatoa ("x", sizes [DW_SECT_LINE])); | |
3789 | printf (_(" .debug_loc.dwo: 0x%s 0x%s\n"), | |
3790 | dwarf_vmatoa ("x", offsets [DW_SECT_LOC]), | |
3791 | dwarf_vmatoa ("x", sizes [DW_SECT_LOC])); | |
3792 | printf (_(" .debug_str_offsets.dwo: 0x%s 0x%s\n"), | |
3793 | dwarf_vmatoa ("x", offsets [DW_SECT_STR_OFFSETS]), | |
3794 | dwarf_vmatoa ("x", sizes [DW_SECT_STR_OFFSETS])); | |
3795 | } | |
19e6b90e L |
3796 | } |
3797 | ||
e98fdf1a AM |
3798 | sec_off = cu_offset + initial_length_size; |
3799 | if (sec_off + compunit.cu_length < sec_off | |
3800 | || sec_off + compunit.cu_length > section->size) | |
460c89ff | 3801 | { |
e98fdf1a AM |
3802 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), |
3803 | section->name, | |
3804 | (unsigned long) cu_offset, | |
19485196 NC |
3805 | dwarf_vmatoa ("x", compunit.cu_length)); |
3806 | num_units = unit; | |
3807 | break; | |
3808 | } | |
3809 | ||
460c89ff NS |
3810 | tags = hdrptr; |
3811 | start += compunit.cu_length + initial_length_size; | |
3812 | ||
77145576 | 3813 | if (compunit.cu_version < 2 || compunit.cu_version > 5) |
19e6b90e | 3814 | { |
47704ddf KT |
3815 | warn (_("CU at offset %s contains corrupt or " |
3816 | "unsupported version number: %d.\n"), | |
3817 | dwarf_vmatoa ("x", cu_offset), compunit.cu_version); | |
19e6b90e L |
3818 | continue; |
3819 | } | |
3820 | ||
77145576 | 3821 | if (compunit.cu_unit_type != DW_UT_compile |
ec47b32a | 3822 | && compunit.cu_unit_type != DW_UT_partial |
9b87f84a TV |
3823 | && compunit.cu_unit_type != DW_UT_type |
3824 | && compunit.cu_unit_type != DW_UT_split_compile | |
3825 | && compunit.cu_unit_type != DW_UT_skeleton) | |
77145576 JK |
3826 | { |
3827 | warn (_("CU at offset %s contains corrupt or " | |
3828 | "unsupported unit type: %d.\n"), | |
3829 | dwarf_vmatoa ("x", cu_offset), compunit.cu_unit_type); | |
3830 | continue; | |
3831 | } | |
3832 | ||
d493b283 | 3833 | /* Process the abbrevs used by this compilation unit. */ |
341f9135 | 3834 | if (compunit.cu_abbrev_offset >= abbrev_size) |
ec4d4525 NC |
3835 | warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"), |
3836 | (unsigned long) compunit.cu_abbrev_offset, | |
341f9135 | 3837 | (unsigned long) abbrev_size); |
b4eb7656 | 3838 | /* PR 17531: file:4bcd9ce9. */ |
a0a3b04c L |
3839 | else if ((abbrev_base + abbrev_size) |
3840 | > debug_displays [abbrev_sec].section.size) | |
3841 | warn (_("Debug info is corrupted, abbrev size (%lx) is larger than abbrev section size (%lx)\n"), | |
3842 | (unsigned long) abbrev_base + abbrev_size, | |
3843 | (unsigned long) debug_displays [abbrev_sec].section.size); | |
460c89ff | 3844 | else |
bcd213b2 | 3845 | { |
76868f36 L |
3846 | list = find_abbrev_list_by_abbrev_offset (abbrev_base, |
3847 | compunit.cu_abbrev_offset); | |
bcd213b2 NC |
3848 | if (list == NULL) |
3849 | { | |
3850 | unsigned char * next; | |
3851 | ||
76868f36 L |
3852 | list = new_abbrev_list (abbrev_base, |
3853 | compunit.cu_abbrev_offset); | |
bcd213b2 NC |
3854 | next = process_abbrev_set |
3855 | (((unsigned char *) debug_displays [abbrev_sec].section.start | |
3856 | + abbrev_base + compunit.cu_abbrev_offset), | |
3857 | ((unsigned char *) debug_displays [abbrev_sec].section.start | |
3858 | + abbrev_base + abbrev_size), | |
3859 | list); | |
3860 | list->start_of_next_abbrevs = next; | |
3861 | } | |
3862 | } | |
19e6b90e L |
3863 | |
3864 | level = 0; | |
fd2f0033 TT |
3865 | last_level = level; |
3866 | saved_level = -1; | |
19e6b90e L |
3867 | while (tags < start) |
3868 | { | |
19e6b90e | 3869 | unsigned long abbrev_number; |
ec4d4525 | 3870 | unsigned long die_offset; |
19e6b90e L |
3871 | abbrev_entry *entry; |
3872 | abbrev_attr *attr; | |
fd2f0033 | 3873 | int do_printing = 1; |
19e6b90e | 3874 | |
ec4d4525 NC |
3875 | die_offset = tags - section_begin; |
3876 | ||
cd30bcef | 3877 | READ_ULEB (abbrev_number, tags, start); |
19e6b90e | 3878 | |
eb7cc021 JK |
3879 | /* A null DIE marks the end of a list of siblings or it may also be |
3880 | a section padding. */ | |
19e6b90e L |
3881 | if (abbrev_number == 0) |
3882 | { | |
eb7cc021 JK |
3883 | /* Check if it can be a section padding for the last CU. */ |
3884 | if (level == 0 && start == end) | |
3885 | { | |
3886 | unsigned char *chk; | |
3887 | ||
3888 | for (chk = tags; chk < start; chk++) | |
3889 | if (*chk != 0) | |
3890 | break; | |
3891 | if (chk == start) | |
3892 | break; | |
3893 | } | |
3894 | ||
4337774f TT |
3895 | if (!do_loc && die_offset >= dwarf_start_die |
3896 | && (dwarf_cutoff_level == -1 | |
3897 | || level < dwarf_cutoff_level)) | |
399c99f7 L |
3898 | printf (_(" <%d><%lx>: Abbrev Number: 0\n"), |
3899 | level, die_offset); | |
3900 | ||
19e6b90e | 3901 | --level; |
ec4d4525 NC |
3902 | if (level < 0) |
3903 | { | |
3904 | static unsigned num_bogus_warns = 0; | |
3905 | ||
3906 | if (num_bogus_warns < 3) | |
3907 | { | |
4723351a CC |
3908 | warn (_("Bogus end-of-siblings marker detected at offset %lx in %s section\n"), |
3909 | die_offset, section->name); | |
ec4d4525 NC |
3910 | num_bogus_warns ++; |
3911 | if (num_bogus_warns == 3) | |
3912 | warn (_("Further warnings about bogus end-of-sibling markers suppressed\n")); | |
3913 | } | |
3914 | } | |
fd2f0033 | 3915 | if (dwarf_start_die != 0 && level < saved_level) |
d85bf2ba | 3916 | return TRUE; |
19e6b90e L |
3917 | continue; |
3918 | } | |
3919 | ||
4b78141a | 3920 | if (!do_loc) |
fd2f0033 TT |
3921 | { |
3922 | if (dwarf_start_die != 0 && die_offset < dwarf_start_die) | |
3923 | do_printing = 0; | |
3924 | else | |
3925 | { | |
3926 | if (dwarf_start_die != 0 && die_offset == dwarf_start_die) | |
3927 | saved_level = level; | |
3928 | do_printing = (dwarf_cutoff_level == -1 | |
3929 | || level < dwarf_cutoff_level); | |
3930 | if (do_printing) | |
3931 | printf (_(" <%d><%lx>: Abbrev Number: %lu"), | |
3932 | level, die_offset, abbrev_number); | |
3933 | else if (dwarf_cutoff_level == -1 | |
3934 | || last_level < dwarf_cutoff_level) | |
3935 | printf (_(" <%d><%lx>: ...\n"), level, die_offset); | |
3936 | last_level = level; | |
3937 | } | |
3938 | } | |
cecf136e | 3939 | |
19e6b90e L |
3940 | /* Scan through the abbreviation list until we reach the |
3941 | correct entry. */ | |
bcd213b2 | 3942 | if (list == NULL) |
19e6b90e L |
3943 | continue; |
3944 | ||
bcd213b2 NC |
3945 | for (entry = list->first_abbrev; entry != NULL; entry = entry->next) |
3946 | if (entry->number == abbrev_number) | |
3947 | break; | |
3948 | ||
19e6b90e L |
3949 | if (entry == NULL) |
3950 | { | |
fd2f0033 | 3951 | if (!do_loc && do_printing) |
4b78141a NC |
3952 | { |
3953 | printf ("\n"); | |
3954 | fflush (stdout); | |
3955 | } | |
f3853b34 | 3956 | warn (_("DIE at offset 0x%lx refers to abbreviation number %lu which does not exist\n"), |
cc86f28f | 3957 | die_offset, abbrev_number); |
d85bf2ba | 3958 | return FALSE; |
19e6b90e L |
3959 | } |
3960 | ||
fd2f0033 | 3961 | if (!do_loc && do_printing) |
cc5914eb | 3962 | printf (" (%s)\n", get_TAG_name (entry->tag)); |
cecf136e | 3963 | |
19e6b90e L |
3964 | switch (entry->tag) |
3965 | { | |
3966 | default: | |
3967 | need_base_address = 0; | |
3968 | break; | |
3969 | case DW_TAG_compile_unit: | |
d85bf2ba NC |
3970 | need_base_address = 1; |
3971 | need_dwo_info = do_loc; | |
19e6b90e L |
3972 | break; |
3973 | case DW_TAG_entry_point: | |
19e6b90e L |
3974 | case DW_TAG_subprogram: |
3975 | need_base_address = 0; | |
3976 | /* Assuming that there is no DW_AT_frame_base. */ | |
3977 | have_frame_base = 0; | |
3978 | break; | |
3979 | } | |
3980 | ||
9f272209 AO |
3981 | debug_info *debug_info_p = |
3982 | (debug_information && unit < alloc_num_debug_info_entries) | |
3983 | ? debug_information + unit : NULL; | |
3984 | ||
3985 | assert (!debug_info_p | |
3986 | || (debug_info_p->num_loc_offsets | |
3987 | == debug_info_p->num_loc_views)); | |
3988 | ||
399c99f7 L |
3989 | for (attr = entry->first_attr; |
3990 | attr && attr->attribute; | |
3991 | attr = attr->next) | |
4b78141a | 3992 | { |
fd2f0033 | 3993 | if (! do_loc && do_printing) |
4b78141a | 3994 | /* Show the offset from where the tag was extracted. */ |
fd2f0033 | 3995 | printf (" <%lx>", (unsigned long)(tags - section_begin)); |
4b78141a NC |
3996 | tags = read_and_display_attr (attr->attribute, |
3997 | attr->form, | |
77145576 | 3998 | attr->implicit_const, |
ec1b0fbb | 3999 | section_begin, |
341f9135 | 4000 | tags, |
f6f0e17b | 4001 | end, |
341f9135 | 4002 | cu_offset, |
4b78141a NC |
4003 | compunit.cu_pointer_size, |
4004 | offset_size, | |
4005 | compunit.cu_version, | |
9f272209 | 4006 | debug_info_p, |
341f9135 CC |
4007 | do_loc || ! do_printing, |
4008 | section, | |
ec1b0fbb NC |
4009 | this_set, |
4010 | level); | |
4b78141a | 4011 | } |
cecf136e | 4012 | |
9f272209 AO |
4013 | /* If a locview attribute appears before a location one, |
4014 | make sure we don't associate it with an earlier | |
4015 | loclist. */ | |
4016 | if (debug_info_p) | |
4017 | switch (debug_info_p->num_loc_offsets - debug_info_p->num_loc_views) | |
4018 | { | |
4019 | case 1: | |
4020 | debug_info_p->loc_views [debug_info_p->num_loc_views] = vm1; | |
4021 | debug_info_p->num_loc_views++; | |
4022 | assert (debug_info_p->num_loc_views | |
4023 | == debug_info_p->num_loc_offsets); | |
4024 | break; | |
4025 | ||
4026 | case 0: | |
4027 | break; | |
4028 | ||
4029 | case -1: | |
4030 | warn(_("DIE has locviews without loclist\n")); | |
4031 | debug_info_p->num_loc_views--; | |
4032 | break; | |
4033 | ||
4034 | default: | |
4035 | assert (0); | |
4036 | } | |
4037 | ||
b4eb7656 AM |
4038 | if (entry->children) |
4039 | ++level; | |
4040 | } | |
19e6b90e | 4041 | } |
cecf136e | 4042 | |
19e6b90e L |
4043 | /* Set num_debug_info_entries here so that it can be used to check if |
4044 | we need to process .debug_loc and .debug_ranges sections. */ | |
4045 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
4046 | && num_debug_info_entries == 0 |
4047 | && ! do_types) | |
82b1b41b | 4048 | { |
b4eb7656 | 4049 | if (num_units > alloc_num_debug_info_entries) |
82b1b41b NC |
4050 | num_debug_info_entries = alloc_num_debug_info_entries; |
4051 | else | |
4052 | num_debug_info_entries = num_units; | |
4053 | } | |
cecf136e | 4054 | |
19e6b90e | 4055 | if (!do_loc) |
467c65bc | 4056 | printf ("\n"); |
cecf136e | 4057 | |
d85bf2ba | 4058 | return TRUE; |
19e6b90e L |
4059 | } |
4060 | ||
4061 | /* Locate and scan the .debug_info section in the file and record the pointer | |
4062 | sizes and offsets for the compilation units in it. Usually an executable | |
4063 | will have just one pointer size, but this is not guaranteed, and so we try | |
4064 | not to make any assumptions. Returns zero upon failure, or the number of | |
4065 | compilation units upon success. */ | |
4066 | ||
4067 | static unsigned int | |
4068 | load_debug_info (void * file) | |
4069 | { | |
1febe64d | 4070 | /* If we have already tried and failed to load the .debug_info |
657d0d47 | 4071 | section then do not bother to repeat the task. */ |
cc86f28f | 4072 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) |
1febe64d NC |
4073 | return 0; |
4074 | ||
19e6b90e L |
4075 | /* If we already have the information there is nothing else to do. */ |
4076 | if (num_debug_info_entries > 0) | |
4077 | return num_debug_info_entries; | |
4078 | ||
341f9135 | 4079 | /* If this is a DWARF package file, load the CU and TU indexes. */ |
43a444f9 | 4080 | (void) load_cu_tu_indexes (file); |
341f9135 | 4081 | |
dda8d76d | 4082 | if (load_debug_section_with_follow (info, file) |
d85bf2ba | 4083 | && process_debug_info (&debug_displays [info].section, file, abbrev, TRUE, FALSE)) |
19e6b90e | 4084 | return num_debug_info_entries; |
82b1b41b | 4085 | |
dda8d76d | 4086 | if (load_debug_section_with_follow (info_dwo, file) |
82b1b41b | 4087 | && process_debug_info (&debug_displays [info_dwo].section, file, |
d85bf2ba | 4088 | abbrev_dwo, TRUE, FALSE)) |
4723351a | 4089 | return num_debug_info_entries; |
1febe64d | 4090 | |
cc86f28f | 4091 | num_debug_info_entries = DEBUG_INFO_UNAVAILABLE; |
1febe64d | 4092 | return 0; |
19e6b90e L |
4093 | } |
4094 | ||
b40bf0a2 NC |
4095 | /* Read a DWARF .debug_line section header starting at DATA. |
4096 | Upon success returns an updated DATA pointer and the LINFO | |
4097 | structure and the END_OF_SEQUENCE pointer will be filled in. | |
4098 | Otherwise returns NULL. */ | |
19e6b90e | 4099 | |
b40bf0a2 NC |
4100 | static unsigned char * |
4101 | read_debug_line_header (struct dwarf_section * section, | |
4102 | unsigned char * data, | |
4103 | unsigned char * end, | |
4104 | DWARF2_Internal_LineInfo * linfo, | |
4105 | unsigned char ** end_of_sequence) | |
4106 | { | |
4107 | unsigned char *hdrptr; | |
b40bf0a2 | 4108 | unsigned int initial_length_size; |
19e6b90e | 4109 | |
b40bf0a2 NC |
4110 | /* Extract information from the Line Number Program Header. |
4111 | (section 6.2.4 in the Dwarf3 doc). */ | |
6937bb54 | 4112 | hdrptr = data; |
19e6b90e | 4113 | |
b40bf0a2 NC |
4114 | /* Get and check the length of the block. */ |
4115 | SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 4, end); | |
19e6b90e | 4116 | |
b40bf0a2 | 4117 | if (linfo->li_length == 0xffffffff) |
f41e4712 NC |
4118 | { |
4119 | /* This section is 64-bit DWARF 3. */ | |
b40bf0a2 | 4120 | SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end); |
77145576 | 4121 | linfo->li_offset_size = 8; |
f41e4712 NC |
4122 | initial_length_size = 12; |
4123 | } | |
4124 | else | |
4125 | { | |
77145576 | 4126 | linfo->li_offset_size = 4; |
f41e4712 NC |
4127 | initial_length_size = 4; |
4128 | } | |
19e6b90e | 4129 | |
b40bf0a2 | 4130 | if (linfo->li_length + initial_length_size > section->size) |
f41e4712 | 4131 | { |
8fcc61b4 NC |
4132 | /* If the length field has a relocation against it, then we should |
4133 | not complain if it is inaccurate (and probably negative). This | |
4134 | happens in object files when the .debug_line section is actually | |
4135 | comprised of several different .debug_line.* sections, (some of | |
4136 | which may be removed by linker garbage collection), and a relocation | |
4137 | is used to compute the correct length once that is done. */ | |
77145576 | 4138 | if (reloc_at (section, (hdrptr - section->start) - linfo->li_offset_size)) |
b40bf0a2 | 4139 | { |
8fcc61b4 | 4140 | linfo->li_length = (end - data) - initial_length_size; |
b40bf0a2 NC |
4141 | } |
4142 | else | |
4143 | { | |
8fcc61b4 NC |
4144 | warn (_("The length field (0x%lx) in the debug_line header is wrong - the section is too small\n"), |
4145 | (long) linfo->li_length); | |
b40bf0a2 NC |
4146 | return NULL; |
4147 | } | |
f41e4712 | 4148 | } |
19e6b90e | 4149 | |
b40bf0a2 NC |
4150 | /* Get and check the version number. */ |
4151 | SAFE_BYTE_GET_AND_INC (linfo->li_version, hdrptr, 2, end); | |
4152 | ||
4153 | if (linfo->li_version != 2 | |
4154 | && linfo->li_version != 3 | |
77145576 JK |
4155 | && linfo->li_version != 4 |
4156 | && linfo->li_version != 5) | |
f41e4712 | 4157 | { |
77145576 JK |
4158 | warn (_("Only DWARF version 2, 3, 4 and 5 line info " |
4159 | "is currently supported.\n")); | |
b40bf0a2 | 4160 | return NULL; |
f41e4712 | 4161 | } |
19e6b90e | 4162 | |
77145576 JK |
4163 | if (linfo->li_version >= 5) |
4164 | { | |
5496f3c6 | 4165 | SAFE_BYTE_GET_AND_INC (linfo->li_address_size, hdrptr, 1, end); |
77145576 | 4166 | |
5496f3c6 NC |
4167 | SAFE_BYTE_GET_AND_INC (linfo->li_segment_size, hdrptr, 1, end); |
4168 | if (linfo->li_segment_size != 0) | |
77145576 JK |
4169 | { |
4170 | warn (_("The %s section contains " | |
4171 | "unsupported segment selector size: %d.\n"), | |
5496f3c6 NC |
4172 | section->name, linfo->li_segment_size); |
4173 | return NULL; | |
77145576 JK |
4174 | } |
4175 | } | |
4176 | ||
4177 | SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr, | |
4178 | linfo->li_offset_size, end); | |
b40bf0a2 | 4179 | SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end); |
0c588247 | 4180 | |
b40bf0a2 | 4181 | if (linfo->li_version >= 4) |
f41e4712 | 4182 | { |
b40bf0a2 | 4183 | SAFE_BYTE_GET_AND_INC (linfo->li_max_ops_per_insn, hdrptr, 1, end); |
0c588247 | 4184 | |
b40bf0a2 | 4185 | if (linfo->li_max_ops_per_insn == 0) |
f41e4712 NC |
4186 | { |
4187 | warn (_("Invalid maximum operations per insn.\n")); | |
b40bf0a2 | 4188 | return NULL; |
a233b20c | 4189 | } |
f41e4712 NC |
4190 | } |
4191 | else | |
b40bf0a2 | 4192 | linfo->li_max_ops_per_insn = 1; |
0c588247 | 4193 | |
b40bf0a2 | 4194 | SAFE_BYTE_GET_AND_INC (linfo->li_default_is_stmt, hdrptr, 1, end); |
65879393 | 4195 | SAFE_SIGNED_BYTE_GET_AND_INC (linfo->li_line_base, hdrptr, 1, end); |
b40bf0a2 NC |
4196 | SAFE_BYTE_GET_AND_INC (linfo->li_line_range, hdrptr, 1, end); |
4197 | SAFE_BYTE_GET_AND_INC (linfo->li_opcode_base, hdrptr, 1, end); | |
19e6b90e | 4198 | |
b40bf0a2 | 4199 | * end_of_sequence = data + linfo->li_length + initial_length_size; |
b4eb7656 | 4200 | /* PR 17512: file:002-117414-0.004. */ |
6937bb54 NC |
4201 | if (* end_of_sequence > end) |
4202 | { | |
4c219c2e AM |
4203 | warn (_("Line length %s extends beyond end of section\n"), |
4204 | dwarf_vmatoa ("u", linfo->li_length)); | |
6937bb54 NC |
4205 | * end_of_sequence = end; |
4206 | return NULL; | |
4207 | } | |
4208 | ||
b40bf0a2 NC |
4209 | return hdrptr; |
4210 | } | |
19e6b90e | 4211 | |
77145576 | 4212 | static unsigned char * |
dda8d76d NC |
4213 | display_formatted_table (unsigned char * data, |
4214 | unsigned char * start, | |
4215 | unsigned char * end, | |
4216 | const DWARF2_Internal_LineInfo * linfo, | |
4217 | struct dwarf_section * section, | |
7b8d9e8c | 4218 | bfd_boolean is_dir) |
77145576 JK |
4219 | { |
4220 | unsigned char *format_start, format_count, *format, formati; | |
4221 | dwarf_vma data_count, datai; | |
cd30bcef | 4222 | unsigned int namepass, last_entry = 0; |
5496f3c6 | 4223 | const char * table_name = is_dir ? N_("Directory Table") : N_("File Name Table"); |
521d4b19 | 4224 | |
77145576 | 4225 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); |
546cb2d8 NC |
4226 | if (do_checks && format_count > 5) |
4227 | warn (_("Unexpectedly large number of columns in the %s (%u)\n"), | |
4228 | table_name, format_count); | |
4229 | ||
77145576 JK |
4230 | format_start = data; |
4231 | for (formati = 0; formati < format_count; formati++) | |
4232 | { | |
cd30bcef AM |
4233 | SKIP_ULEB (data, end); |
4234 | SKIP_ULEB (data, end); | |
77145576 JK |
4235 | if (data == end) |
4236 | { | |
5496f3c6 | 4237 | warn (_("%s: Corrupt format description entry\n"), table_name); |
77145576 JK |
4238 | return data; |
4239 | } | |
4240 | } | |
4241 | ||
cd30bcef | 4242 | READ_ULEB (data_count, data, end); |
546cb2d8 | 4243 | if (data_count == 0) |
77145576 | 4244 | { |
546cb2d8 | 4245 | printf (_("\n The %s is empty.\n"), table_name); |
77145576 JK |
4246 | return data; |
4247 | } | |
546cb2d8 | 4248 | else if (data == end) |
77145576 | 4249 | { |
546cb2d8 NC |
4250 | warn (_("%s: Corrupt entry count - expected %s but none found\n"), |
4251 | table_name, dwarf_vmatoa ("x", data_count)); | |
77145576 JK |
4252 | return data; |
4253 | } | |
546cb2d8 | 4254 | |
5496f3c6 NC |
4255 | else if (format_count == 0) |
4256 | { | |
4257 | warn (_("%s: format count is zero, but the table is not empty\n"), | |
4258 | table_name); | |
4259 | return end; | |
4260 | } | |
77145576 | 4261 | |
5496f3c6 NC |
4262 | printf (_("\n The %s (offset 0x%lx, lines %s, columns %u):\n"), |
4263 | table_name, (long) (data - start), dwarf_vmatoa ("u", data_count), | |
4264 | format_count); | |
77145576 JK |
4265 | |
4266 | printf (_(" Entry")); | |
521d4b19 | 4267 | /* Delay displaying name as the last entry for better screen layout. */ |
77145576 JK |
4268 | for (namepass = 0; namepass < 2; namepass++) |
4269 | { | |
4270 | format = format_start; | |
4271 | for (formati = 0; formati < format_count; formati++) | |
4272 | { | |
4273 | dwarf_vma content_type; | |
4274 | ||
cd30bcef | 4275 | READ_ULEB (content_type, format, end); |
77145576 JK |
4276 | if ((content_type == DW_LNCT_path) == (namepass == 1)) |
4277 | switch (content_type) | |
4278 | { | |
4279 | case DW_LNCT_path: | |
4280 | printf (_("\tName")); | |
4281 | break; | |
4282 | case DW_LNCT_directory_index: | |
4283 | printf (_("\tDir")); | |
4284 | break; | |
4285 | case DW_LNCT_timestamp: | |
4286 | printf (_("\tTime")); | |
4287 | break; | |
4288 | case DW_LNCT_size: | |
4289 | printf (_("\tSize")); | |
4290 | break; | |
4291 | case DW_LNCT_MD5: | |
5496f3c6 | 4292 | printf (_("\tMD5\t\t\t")); |
77145576 JK |
4293 | break; |
4294 | default: | |
4295 | printf (_("\t(Unknown format content type %s)"), | |
4296 | dwarf_vmatoa ("u", content_type)); | |
4297 | } | |
cd30bcef | 4298 | SKIP_ULEB (format, end); |
77145576 JK |
4299 | } |
4300 | } | |
4301 | putchar ('\n'); | |
4302 | ||
4303 | for (datai = 0; datai < data_count; datai++) | |
4304 | { | |
4305 | unsigned char *datapass = data; | |
4306 | ||
4307 | printf (" %d", last_entry++); | |
521d4b19 | 4308 | /* Delay displaying name as the last entry for better screen layout. */ |
77145576 JK |
4309 | for (namepass = 0; namepass < 2; namepass++) |
4310 | { | |
4311 | format = format_start; | |
4312 | data = datapass; | |
4313 | for (formati = 0; formati < format_count; formati++) | |
4314 | { | |
4315 | dwarf_vma content_type, form; | |
4316 | ||
cd30bcef AM |
4317 | READ_ULEB (content_type, format, end); |
4318 | READ_ULEB (form, format, end); | |
4319 | data = read_and_display_attr_value (0, form, 0, start, data, end, | |
4320 | 0, 0, linfo->li_offset_size, | |
77145576 JK |
4321 | linfo->li_version, NULL, |
4322 | ((content_type == DW_LNCT_path) != (namepass == 1)), | |
ec1b0fbb | 4323 | section, NULL, '\t', -1); |
77145576 JK |
4324 | } |
4325 | } | |
5496f3c6 NC |
4326 | |
4327 | if (data == end && (datai < data_count - 1)) | |
77145576 | 4328 | { |
5496f3c6 | 4329 | warn (_("\n%s: Corrupt entries list\n"), table_name); |
77145576 JK |
4330 | return data; |
4331 | } | |
4332 | putchar ('\n'); | |
4333 | } | |
4334 | return data; | |
4335 | } | |
4336 | ||
b40bf0a2 | 4337 | static int |
dda8d76d NC |
4338 | display_debug_lines_raw (struct dwarf_section * section, |
4339 | unsigned char * data, | |
4340 | unsigned char * end, | |
4341 | void * file) | |
b40bf0a2 NC |
4342 | { |
4343 | unsigned char *start = section->start; | |
ba8826a8 | 4344 | int verbose_view = 0; |
19e6b90e | 4345 | |
dda8d76d | 4346 | introduce (section, TRUE); |
19e6b90e | 4347 | |
b40bf0a2 NC |
4348 | while (data < end) |
4349 | { | |
4350 | static DWARF2_Internal_LineInfo saved_linfo; | |
4351 | DWARF2_Internal_LineInfo linfo; | |
4352 | unsigned char *standard_opcodes; | |
4353 | unsigned char *end_of_sequence; | |
fe59e83d | 4354 | int i; |
19e6b90e | 4355 | |
4925cdd7 NC |
4356 | if (const_strneq (section->name, ".debug_line.") |
4357 | /* Note: the following does not apply to .debug_line.dwo sections. | |
4358 | These are full debug_line sections. */ | |
4359 | && strcmp (section->name, ".debug_line.dwo") != 0) | |
19e6b90e | 4360 | { |
b40bf0a2 NC |
4361 | /* Sections named .debug_line.<foo> are fragments of a .debug_line |
4362 | section containing just the Line Number Statements. They are | |
4363 | created by the assembler and intended to be used alongside gcc's | |
4364 | -ffunction-sections command line option. When the linker's | |
4365 | garbage collection decides to discard a .text.<foo> section it | |
4366 | can then also discard the line number information in .debug_line.<foo>. | |
4367 | ||
4925cdd7 | 4368 | Since the section is a fragment it does not have the details |
b40bf0a2 | 4369 | needed to fill out a LineInfo structure, so instead we use the |
4925cdd7 | 4370 | details from the last full debug_line section that we processed. */ |
b40bf0a2 NC |
4371 | end_of_sequence = end; |
4372 | standard_opcodes = NULL; | |
4373 | linfo = saved_linfo; | |
058037d3 NC |
4374 | /* PR 17531: file: 0522b371. */ |
4375 | if (linfo.li_line_range == 0) | |
4376 | { | |
1306a742 | 4377 | warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n")); |
058037d3 NC |
4378 | return 0; |
4379 | } | |
b40bf0a2 | 4380 | reset_state_machine (linfo.li_default_is_stmt); |
19e6b90e | 4381 | } |
19e6b90e L |
4382 | else |
4383 | { | |
b40bf0a2 | 4384 | unsigned char * hdrptr; |
19e6b90e | 4385 | |
b40bf0a2 NC |
4386 | if ((hdrptr = read_debug_line_header (section, data, end, & linfo, |
4387 | & end_of_sequence)) == NULL) | |
4388 | return 0; | |
19e6b90e | 4389 | |
b40bf0a2 NC |
4390 | printf (_(" Offset: 0x%lx\n"), (long)(data - start)); |
4391 | printf (_(" Length: %ld\n"), (long) linfo.li_length); | |
4392 | printf (_(" DWARF Version: %d\n"), linfo.li_version); | |
5496f3c6 NC |
4393 | if (linfo.li_version >= 5) |
4394 | { | |
4395 | printf (_(" Address size (bytes): %d\n"), linfo.li_address_size); | |
4396 | printf (_(" Segment selector (bytes): %d\n"), linfo.li_segment_size); | |
4397 | } | |
77ef8654 | 4398 | printf (_(" Prologue Length: %d\n"), (int) linfo.li_prologue_length); |
b40bf0a2 NC |
4399 | printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length); |
4400 | if (linfo.li_version >= 4) | |
4401 | printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn); | |
4402 | printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt); | |
4403 | printf (_(" Line Base: %d\n"), linfo.li_line_base); | |
4404 | printf (_(" Line Range: %d\n"), linfo.li_line_range); | |
4405 | printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base); | |
19e6b90e | 4406 | |
0a9d414a NC |
4407 | /* PR 17512: file: 1665-6428-0.004. */ |
4408 | if (linfo.li_line_range == 0) | |
4409 | { | |
4410 | warn (_("Line range of 0 is invalid, using 1 instead\n")); | |
4411 | linfo.li_line_range = 1; | |
4412 | } | |
77ef8654 | 4413 | |
b40bf0a2 | 4414 | reset_state_machine (linfo.li_default_is_stmt); |
19e6b90e | 4415 | |
b40bf0a2 NC |
4416 | /* Display the contents of the Opcodes table. */ |
4417 | standard_opcodes = hdrptr; | |
19e6b90e | 4418 | |
6937bb54 NC |
4419 | /* PR 17512: file: 002-417945-0.004. */ |
4420 | if (standard_opcodes + linfo.li_opcode_base >= end) | |
4421 | { | |
4422 | warn (_("Line Base extends beyond end of section\n")); | |
4423 | return 0; | |
4424 | } | |
4425 | ||
b40bf0a2 | 4426 | printf (_("\n Opcodes:\n")); |
19e6b90e | 4427 | |
b40bf0a2 | 4428 | for (i = 1; i < linfo.li_opcode_base; i++) |
d3a49aa8 AM |
4429 | printf (ngettext (" Opcode %d has %d arg\n", |
4430 | " Opcode %d has %d args\n", | |
4431 | standard_opcodes[i - 1]), | |
4432 | i, standard_opcodes[i - 1]); | |
19e6b90e | 4433 | |
b40bf0a2 NC |
4434 | /* Display the contents of the Directory table. */ |
4435 | data = standard_opcodes + linfo.li_opcode_base - 1; | |
19e6b90e | 4436 | |
77145576 | 4437 | if (linfo.li_version >= 5) |
b40bf0a2 | 4438 | { |
dda8d76d | 4439 | load_debug_section_with_follow (line_str, file); |
19e6b90e | 4440 | |
77145576 | 4441 | data = display_formatted_table (data, start, end, &linfo, section, |
7b8d9e8c | 4442 | TRUE); |
77145576 | 4443 | data = display_formatted_table (data, start, end, &linfo, section, |
7b8d9e8c | 4444 | FALSE); |
77145576 JK |
4445 | } |
4446 | else | |
4447 | { | |
4448 | if (*data == 0) | |
4449 | printf (_("\n The Directory Table is empty.\n")); | |
4450 | else | |
a233b20c | 4451 | { |
77145576 | 4452 | unsigned int last_dir_entry = 0; |
6937bb54 | 4453 | |
77145576 JK |
4454 | printf (_("\n The Directory Table (offset 0x%lx):\n"), |
4455 | (long)(data - start)); | |
19e6b90e | 4456 | |
77145576 JK |
4457 | while (data < end && *data != 0) |
4458 | { | |
4459 | printf (" %d\t%.*s\n", ++last_dir_entry, (int) (end - data), data); | |
19e6b90e | 4460 | |
77145576 JK |
4461 | data += strnlen ((char *) data, end - data) + 1; |
4462 | } | |
19e6b90e | 4463 | |
77145576 JK |
4464 | /* PR 17512: file: 002-132094-0.004. */ |
4465 | if (data >= end - 1) | |
4466 | break; | |
4467 | } | |
19e6b90e | 4468 | |
77145576 JK |
4469 | /* Skip the NUL at the end of the table. */ |
4470 | data++; | |
19e6b90e | 4471 | |
77145576 JK |
4472 | /* Display the contents of the File Name table. */ |
4473 | if (*data == 0) | |
4474 | printf (_("\n The File Name Table is empty.\n")); | |
4475 | else | |
4476 | { | |
4477 | printf (_("\n The File Name Table (offset 0x%lx):\n"), | |
4478 | (long)(data - start)); | |
4479 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); | |
19e6b90e | 4480 | |
77145576 | 4481 | while (data < end && *data != 0) |
b40bf0a2 | 4482 | { |
77145576 | 4483 | unsigned char *name; |
cd30bcef | 4484 | dwarf_vma val; |
77145576 JK |
4485 | |
4486 | printf (" %d\t", ++state_machine_regs.last_file_entry); | |
4487 | name = data; | |
4488 | data += strnlen ((char *) data, end - data) + 1; | |
4489 | ||
cd30bcef AM |
4490 | READ_ULEB (val, data, end); |
4491 | printf ("%s\t", dwarf_vmatoa ("u", val)); | |
4492 | READ_ULEB (val, data, end); | |
4493 | printf ("%s\t", dwarf_vmatoa ("u", val)); | |
4494 | READ_ULEB (val, data, end); | |
4495 | printf ("%s\t", dwarf_vmatoa ("u", val)); | |
77145576 JK |
4496 | printf ("%.*s\n", (int)(end - name), name); |
4497 | ||
4498 | if (data == end) | |
4499 | { | |
4500 | warn (_("Corrupt file name table entry\n")); | |
4501 | break; | |
4502 | } | |
b40bf0a2 | 4503 | } |
a233b20c | 4504 | } |
77145576 JK |
4505 | |
4506 | /* Skip the NUL at the end of the table. */ | |
4507 | data++; | |
b40bf0a2 | 4508 | } |
19e6b90e | 4509 | |
b40bf0a2 NC |
4510 | putchar ('\n'); |
4511 | saved_linfo = linfo; | |
4512 | } | |
19e6b90e | 4513 | |
b40bf0a2 NC |
4514 | /* Now display the statements. */ |
4515 | if (data >= end_of_sequence) | |
4516 | printf (_(" No Line Number Statements.\n")); | |
4517 | else | |
4518 | { | |
4519 | printf (_(" Line Number Statements:\n")); | |
19e6b90e | 4520 | |
b40bf0a2 NC |
4521 | while (data < end_of_sequence) |
4522 | { | |
4523 | unsigned char op_code; | |
4524 | dwarf_signed_vma adv; | |
4525 | dwarf_vma uladv; | |
19e6b90e | 4526 | |
fe59e83d CC |
4527 | printf (" [0x%08lx]", (long)(data - start)); |
4528 | ||
b40bf0a2 | 4529 | op_code = *data++; |
19e6b90e | 4530 | |
b40bf0a2 | 4531 | if (op_code >= linfo.li_opcode_base) |
19e6b90e | 4532 | { |
b40bf0a2 NC |
4533 | op_code -= linfo.li_opcode_base; |
4534 | uladv = (op_code / linfo.li_line_range); | |
4535 | if (linfo.li_max_ops_per_insn == 1) | |
4536 | { | |
4537 | uladv *= linfo.li_min_insn_length; | |
4538 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
4539 | if (uladv) |
4540 | state_machine_regs.view = 0; | |
b40bf0a2 | 4541 | printf (_(" Special opcode %d: " |
ba8826a8 | 4542 | "advance Address by %s to 0x%s%s"), |
b40bf0a2 | 4543 | op_code, dwarf_vmatoa ("u", uladv), |
ba8826a8 AO |
4544 | dwarf_vmatoa ("x", state_machine_regs.address), |
4545 | verbose_view && uladv | |
4546 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
4547 | } |
4548 | else | |
4549 | { | |
ba8826a8 AO |
4550 | unsigned addrdelta |
4551 | = ((state_machine_regs.op_index + uladv) | |
b40bf0a2 NC |
4552 | / linfo.li_max_ops_per_insn) |
4553 | * linfo.li_min_insn_length; | |
ba8826a8 AO |
4554 | |
4555 | state_machine_regs.address += addrdelta; | |
b40bf0a2 NC |
4556 | state_machine_regs.op_index |
4557 | = (state_machine_regs.op_index + uladv) | |
4558 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
4559 | if (addrdelta) |
4560 | state_machine_regs.view = 0; | |
b40bf0a2 | 4561 | printf (_(" Special opcode %d: " |
ba8826a8 | 4562 | "advance Address by %s to 0x%s[%d]%s"), |
b40bf0a2 NC |
4563 | op_code, dwarf_vmatoa ("u", uladv), |
4564 | dwarf_vmatoa ("x", state_machine_regs.address), | |
ba8826a8 AO |
4565 | state_machine_regs.op_index, |
4566 | verbose_view && addrdelta | |
4567 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
4568 | } |
4569 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; | |
4570 | state_machine_regs.line += adv; | |
ba8826a8 | 4571 | printf (_(" and Line by %s to %d"), |
b40bf0a2 | 4572 | dwarf_vmatoa ("d", adv), state_machine_regs.line); |
ba8826a8 AO |
4573 | if (verbose_view || state_machine_regs.view) |
4574 | printf (_(" (view %u)\n"), state_machine_regs.view); | |
4575 | else | |
4576 | putchar ('\n'); | |
4577 | state_machine_regs.view++; | |
19e6b90e | 4578 | } |
cd30bcef AM |
4579 | else |
4580 | switch (op_code) | |
4581 | { | |
4582 | case DW_LNS_extended_op: | |
4583 | data += process_extended_line_op (data, | |
4584 | linfo.li_default_is_stmt, | |
4585 | end); | |
4586 | break; | |
4587 | ||
4588 | case DW_LNS_copy: | |
4589 | printf (_(" Copy")); | |
4590 | if (verbose_view || state_machine_regs.view) | |
4591 | printf (_(" (view %u)\n"), state_machine_regs.view); | |
4592 | else | |
4593 | putchar ('\n'); | |
4594 | state_machine_regs.view++; | |
4595 | break; | |
4596 | ||
4597 | case DW_LNS_advance_pc: | |
4598 | READ_ULEB (uladv, data, end); | |
4599 | if (linfo.li_max_ops_per_insn == 1) | |
4600 | { | |
4601 | uladv *= linfo.li_min_insn_length; | |
4602 | state_machine_regs.address += uladv; | |
4603 | if (uladv) | |
4604 | state_machine_regs.view = 0; | |
4605 | printf (_(" Advance PC by %s to 0x%s%s\n"), | |
4606 | dwarf_vmatoa ("u", uladv), | |
4607 | dwarf_vmatoa ("x", state_machine_regs.address), | |
4608 | verbose_view && uladv | |
4609 | ? _(" (reset view)") : ""); | |
4610 | } | |
4611 | else | |
4612 | { | |
4613 | unsigned addrdelta | |
4614 | = ((state_machine_regs.op_index + uladv) | |
4615 | / linfo.li_max_ops_per_insn) | |
4616 | * linfo.li_min_insn_length; | |
4617 | state_machine_regs.address | |
4618 | += addrdelta; | |
4619 | state_machine_regs.op_index | |
4620 | = (state_machine_regs.op_index + uladv) | |
4621 | % linfo.li_max_ops_per_insn; | |
4622 | if (addrdelta) | |
4623 | state_machine_regs.view = 0; | |
4624 | printf (_(" Advance PC by %s to 0x%s[%d]%s\n"), | |
4625 | dwarf_vmatoa ("u", uladv), | |
4626 | dwarf_vmatoa ("x", state_machine_regs.address), | |
4627 | state_machine_regs.op_index, | |
4628 | verbose_view && addrdelta | |
4629 | ? _(" (reset view)") : ""); | |
4630 | } | |
4631 | break; | |
4632 | ||
4633 | case DW_LNS_advance_line: | |
4634 | READ_SLEB (adv, data, end); | |
4635 | state_machine_regs.line += adv; | |
4636 | printf (_(" Advance Line by %s to %d\n"), | |
4637 | dwarf_vmatoa ("d", adv), | |
4638 | state_machine_regs.line); | |
4639 | break; | |
4640 | ||
4641 | case DW_LNS_set_file: | |
4642 | READ_ULEB (uladv, data, end); | |
4643 | printf (_(" Set File Name to entry %s in the File Name Table\n"), | |
4644 | dwarf_vmatoa ("u", uladv)); | |
4645 | state_machine_regs.file = uladv; | |
4646 | break; | |
4647 | ||
4648 | case DW_LNS_set_column: | |
4649 | READ_ULEB (uladv, data, end); | |
4650 | printf (_(" Set column to %s\n"), | |
4651 | dwarf_vmatoa ("u", uladv)); | |
4652 | state_machine_regs.column = uladv; | |
4653 | break; | |
4654 | ||
4655 | case DW_LNS_negate_stmt: | |
4656 | adv = state_machine_regs.is_stmt; | |
4657 | adv = ! adv; | |
4658 | printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv)); | |
4659 | state_machine_regs.is_stmt = adv; | |
4660 | break; | |
4661 | ||
4662 | case DW_LNS_set_basic_block: | |
4663 | printf (_(" Set basic block\n")); | |
4664 | state_machine_regs.basic_block = 1; | |
4665 | break; | |
4666 | ||
4667 | case DW_LNS_const_add_pc: | |
4668 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); | |
4669 | if (linfo.li_max_ops_per_insn) | |
4670 | { | |
4671 | uladv *= linfo.li_min_insn_length; | |
4672 | state_machine_regs.address += uladv; | |
4673 | if (uladv) | |
4674 | state_machine_regs.view = 0; | |
4675 | printf (_(" Advance PC by constant %s to 0x%s%s\n"), | |
4676 | dwarf_vmatoa ("u", uladv), | |
4677 | dwarf_vmatoa ("x", state_machine_regs.address), | |
4678 | verbose_view && uladv | |
4679 | ? _(" (reset view)") : ""); | |
4680 | } | |
4681 | else | |
4682 | { | |
4683 | unsigned addrdelta | |
4684 | = ((state_machine_regs.op_index + uladv) | |
4685 | / linfo.li_max_ops_per_insn) | |
4686 | * linfo.li_min_insn_length; | |
4687 | state_machine_regs.address | |
4688 | += addrdelta; | |
4689 | state_machine_regs.op_index | |
4690 | = (state_machine_regs.op_index + uladv) | |
4691 | % linfo.li_max_ops_per_insn; | |
4692 | if (addrdelta) | |
4693 | state_machine_regs.view = 0; | |
4694 | printf (_(" Advance PC by constant %s to 0x%s[%d]%s\n"), | |
4695 | dwarf_vmatoa ("u", uladv), | |
4696 | dwarf_vmatoa ("x", state_machine_regs.address), | |
4697 | state_machine_regs.op_index, | |
4698 | verbose_view && addrdelta | |
4699 | ? _(" (reset view)") : ""); | |
4700 | } | |
4701 | break; | |
4702 | ||
4703 | case DW_LNS_fixed_advance_pc: | |
4704 | SAFE_BYTE_GET_AND_INC (uladv, data, 2, end); | |
4705 | state_machine_regs.address += uladv; | |
4706 | state_machine_regs.op_index = 0; | |
4707 | printf (_(" Advance PC by fixed size amount %s to 0x%s\n"), | |
4708 | dwarf_vmatoa ("u", uladv), | |
4709 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
4710 | /* Do NOT reset view. */ | |
4711 | break; | |
4712 | ||
4713 | case DW_LNS_set_prologue_end: | |
4714 | printf (_(" Set prologue_end to true\n")); | |
4715 | break; | |
4716 | ||
4717 | case DW_LNS_set_epilogue_begin: | |
4718 | printf (_(" Set epilogue_begin to true\n")); | |
4719 | break; | |
4720 | ||
4721 | case DW_LNS_set_isa: | |
4722 | READ_ULEB (uladv, data, end); | |
4723 | printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv)); | |
4724 | break; | |
4725 | ||
4726 | default: | |
4727 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
4728 | ||
4729 | if (standard_opcodes != NULL) | |
4730 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
4731 | { | |
4732 | READ_ULEB (uladv, data, end); | |
4733 | printf ("0x%s%s", dwarf_vmatoa ("x", uladv), | |
4734 | i == 1 ? "" : ", "); | |
4735 | } | |
4736 | putchar ('\n'); | |
4737 | break; | |
4738 | } | |
19e6b90e | 4739 | } |
b40bf0a2 | 4740 | putchar ('\n'); |
19e6b90e | 4741 | } |
19e6b90e L |
4742 | } |
4743 | ||
4744 | return 1; | |
4745 | } | |
4746 | ||
a262ae96 NC |
4747 | typedef struct |
4748 | { | |
467c65bc NC |
4749 | unsigned char *name; |
4750 | unsigned int directory_index; | |
4751 | unsigned int modification_date; | |
4752 | unsigned int length; | |
a262ae96 NC |
4753 | } File_Entry; |
4754 | ||
4755 | /* Output a decoded representation of the .debug_line section. */ | |
4756 | ||
4757 | static int | |
dda8d76d | 4758 | display_debug_lines_decoded (struct dwarf_section * section, |
ec1b0fbb | 4759 | unsigned char * start, |
dda8d76d NC |
4760 | unsigned char * data, |
4761 | unsigned char * end, | |
4762 | void * fileptr) | |
a262ae96 | 4763 | { |
b40bf0a2 NC |
4764 | static DWARF2_Internal_LineInfo saved_linfo; |
4765 | ||
dda8d76d | 4766 | introduce (section, FALSE); |
a262ae96 NC |
4767 | |
4768 | while (data < end) | |
4769 | { | |
4770 | /* This loop amounts to one iteration per compilation unit. */ | |
91d6fa6a | 4771 | DWARF2_Internal_LineInfo linfo; |
a262ae96 NC |
4772 | unsigned char *standard_opcodes; |
4773 | unsigned char *end_of_sequence; | |
a262ae96 NC |
4774 | int i; |
4775 | File_Entry *file_table = NULL; | |
143a3db0 | 4776 | unsigned int n_files = 0; |
a262ae96 | 4777 | unsigned char **directory_table = NULL; |
77145576 | 4778 | dwarf_vma n_directories = 0; |
a262ae96 | 4779 | |
4925cdd7 NC |
4780 | if (const_strneq (section->name, ".debug_line.") |
4781 | /* Note: the following does not apply to .debug_line.dwo sections. | |
4782 | These are full debug_line sections. */ | |
4783 | && strcmp (section->name, ".debug_line.dwo") != 0) | |
b4eb7656 | 4784 | { |
4925cdd7 | 4785 | /* See comment in display_debug_lines_raw(). */ |
b40bf0a2 NC |
4786 | end_of_sequence = end; |
4787 | standard_opcodes = NULL; | |
4788 | linfo = saved_linfo; | |
058037d3 NC |
4789 | /* PR 17531: file: 0522b371. */ |
4790 | if (linfo.li_line_range == 0) | |
4791 | { | |
1306a742 | 4792 | warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n")); |
058037d3 NC |
4793 | return 0; |
4794 | } | |
b40bf0a2 | 4795 | reset_state_machine (linfo.li_default_is_stmt); |
b4eb7656 | 4796 | } |
a262ae96 | 4797 | else |
b4eb7656 | 4798 | { |
b40bf0a2 | 4799 | unsigned char *hdrptr; |
a262ae96 | 4800 | |
b40bf0a2 NC |
4801 | if ((hdrptr = read_debug_line_header (section, data, end, & linfo, |
4802 | & end_of_sequence)) == NULL) | |
a233b20c | 4803 | return 0; |
0c588247 | 4804 | |
058037d3 NC |
4805 | /* PR 17531: file: 0522b371. */ |
4806 | if (linfo.li_line_range == 0) | |
4807 | { | |
4808 | warn (_("Line range of 0 is invalid, using 1 instead\n")); | |
4809 | linfo.li_line_range = 1; | |
4810 | } | |
b40bf0a2 | 4811 | reset_state_machine (linfo.li_default_is_stmt); |
a262ae96 | 4812 | |
b40bf0a2 NC |
4813 | /* Save a pointer to the contents of the Opcodes table. */ |
4814 | standard_opcodes = hdrptr; | |
a262ae96 | 4815 | |
b40bf0a2 NC |
4816 | /* Traverse the Directory table just to count entries. */ |
4817 | data = standard_opcodes + linfo.li_opcode_base - 1; | |
d8024a91 NC |
4818 | /* PR 20440 */ |
4819 | if (data >= end) | |
4820 | { | |
4821 | warn (_("opcode base of %d extends beyond end of section\n"), | |
4822 | linfo.li_opcode_base); | |
4823 | return 0; | |
4824 | } | |
4825 | ||
77145576 | 4826 | if (linfo.li_version >= 5) |
b40bf0a2 | 4827 | { |
77145576 JK |
4828 | unsigned char *format_start, format_count, *format; |
4829 | dwarf_vma formati, entryi; | |
a262ae96 | 4830 | |
dda8d76d | 4831 | load_debug_section_with_follow (line_str, fileptr); |
77145576 JK |
4832 | |
4833 | /* Skip directories format. */ | |
4834 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); | |
546cb2d8 NC |
4835 | if (do_checks && format_count > 1) |
4836 | warn (_("Unexpectedly large number of columns in the directory name table (%u)\n"), | |
4837 | format_count); | |
77145576 JK |
4838 | format_start = data; |
4839 | for (formati = 0; formati < format_count; formati++) | |
b40bf0a2 | 4840 | { |
cd30bcef AM |
4841 | SKIP_ULEB (data, end); |
4842 | SKIP_ULEB (data, end); | |
b40bf0a2 | 4843 | } |
a262ae96 | 4844 | |
cd30bcef | 4845 | READ_ULEB (n_directories, data, end); |
77145576 | 4846 | if (data == end) |
d8024a91 | 4847 | { |
77145576 | 4848 | warn (_("Corrupt directories list\n")); |
d8024a91 NC |
4849 | break; |
4850 | } | |
4851 | ||
070b775f NC |
4852 | if (n_directories == 0) |
4853 | directory_table = NULL; | |
4854 | else | |
4855 | directory_table = (unsigned char **) | |
4856 | xmalloc (n_directories * sizeof (unsigned char *)); | |
a262ae96 | 4857 | |
77145576 | 4858 | for (entryi = 0; entryi < n_directories; entryi++) |
b40bf0a2 | 4859 | { |
77145576 | 4860 | unsigned char **pathp = &directory_table[entryi]; |
a262ae96 | 4861 | |
77145576 JK |
4862 | format = format_start; |
4863 | for (formati = 0; formati < format_count; formati++) | |
4864 | { | |
4865 | dwarf_vma content_type, form; | |
4866 | dwarf_vma uvalue; | |
4867 | ||
cd30bcef AM |
4868 | READ_ULEB (content_type, format, end); |
4869 | READ_ULEB (form, format, end); | |
77145576 JK |
4870 | if (data == end) |
4871 | { | |
4872 | warn (_("Corrupt directories list\n")); | |
4873 | break; | |
4874 | } | |
4875 | switch (content_type) | |
4876 | { | |
4877 | case DW_LNCT_path: | |
4878 | switch (form) | |
4879 | { | |
4880 | case DW_FORM_string: | |
4881 | *pathp = data; | |
4882 | break; | |
4883 | case DW_FORM_line_strp: | |
4884 | SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size, | |
4885 | end); | |
4886 | /* Remove const by the cast. */ | |
4887 | *pathp = (unsigned char *) | |
4888 | fetch_indirect_line_string (uvalue); | |
4889 | break; | |
4890 | } | |
4891 | break; | |
4892 | } | |
cd30bcef AM |
4893 | data = read_and_display_attr_value (0, form, 0, start, |
4894 | data, end, 0, 0, | |
77145576 JK |
4895 | linfo.li_offset_size, |
4896 | linfo.li_version, | |
4897 | NULL, 1, section, | |
ec1b0fbb | 4898 | NULL, '\t', -1); |
77145576 JK |
4899 | } |
4900 | if (data == end) | |
4901 | { | |
4902 | warn (_("Corrupt directories list\n")); | |
4903 | break; | |
4904 | } | |
4905 | } | |
a262ae96 | 4906 | |
77145576 JK |
4907 | /* Skip files format. */ |
4908 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); | |
546cb2d8 NC |
4909 | if (do_checks && format_count > 5) |
4910 | warn (_("Unexpectedly large number of columns in the file name table (%u)\n"), | |
4911 | format_count); | |
77145576 JK |
4912 | format_start = data; |
4913 | for (formati = 0; formati < format_count; formati++) | |
b40bf0a2 | 4914 | { |
cd30bcef AM |
4915 | SKIP_ULEB (data, end); |
4916 | SKIP_ULEB (data, end); | |
b40bf0a2 | 4917 | } |
a262ae96 | 4918 | |
cd30bcef | 4919 | READ_ULEB (n_files, data, end); |
070b775f | 4920 | if (data == end && n_files > 0) |
d8024a91 | 4921 | { |
77145576 | 4922 | warn (_("Corrupt file name list\n")); |
d8024a91 NC |
4923 | break; |
4924 | } | |
4925 | ||
070b775f NC |
4926 | if (n_files == 0) |
4927 | file_table = NULL; | |
4928 | else | |
4929 | file_table = (File_Entry *) xcalloc (1, n_files | |
4930 | * sizeof (File_Entry)); | |
a262ae96 | 4931 | |
77145576 | 4932 | for (entryi = 0; entryi < n_files; entryi++) |
b40bf0a2 | 4933 | { |
77145576 | 4934 | File_Entry *file = &file_table[entryi]; |
a262ae96 | 4935 | |
77145576 JK |
4936 | format = format_start; |
4937 | for (formati = 0; formati < format_count; formati++) | |
4938 | { | |
4939 | dwarf_vma content_type, form; | |
4940 | dwarf_vma uvalue; | |
cd30bcef | 4941 | unsigned char *tmp; |
77145576 | 4942 | |
cd30bcef AM |
4943 | READ_ULEB (content_type, format, end); |
4944 | READ_ULEB (form, format, end); | |
77145576 JK |
4945 | if (data == end) |
4946 | { | |
4947 | warn (_("Corrupt file name list\n")); | |
4948 | break; | |
4949 | } | |
4950 | switch (content_type) | |
4951 | { | |
4952 | case DW_LNCT_path: | |
4953 | switch (form) | |
4954 | { | |
4955 | case DW_FORM_string: | |
4956 | file->name = data; | |
4957 | break; | |
4958 | case DW_FORM_line_strp: | |
4959 | SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size, | |
4960 | end); | |
4961 | /* Remove const by the cast. */ | |
4962 | file->name = (unsigned char *) | |
4963 | fetch_indirect_line_string (uvalue); | |
4964 | break; | |
4965 | } | |
4966 | break; | |
4967 | case DW_LNCT_directory_index: | |
4968 | switch (form) | |
4969 | { | |
4970 | case DW_FORM_data1: | |
4971 | SAFE_BYTE_GET (file->directory_index, data, 1, | |
4972 | end); | |
4973 | break; | |
4974 | case DW_FORM_data2: | |
4975 | SAFE_BYTE_GET (file->directory_index, data, 2, | |
4976 | end); | |
4977 | break; | |
4978 | case DW_FORM_udata: | |
cd30bcef AM |
4979 | tmp = data; |
4980 | READ_ULEB (file->directory_index, tmp, end); | |
77145576 JK |
4981 | break; |
4982 | } | |
4983 | break; | |
4984 | } | |
cd30bcef AM |
4985 | data = read_and_display_attr_value (0, form, 0, start, |
4986 | data, end, 0, 0, | |
77145576 JK |
4987 | linfo.li_offset_size, |
4988 | linfo.li_version, | |
4989 | NULL, 1, section, | |
ec1b0fbb | 4990 | NULL, '\t', -1); |
77145576 JK |
4991 | } |
4992 | if (data == end) | |
4993 | { | |
4994 | warn (_("Corrupt file name list\n")); | |
4995 | break; | |
4996 | } | |
4997 | } | |
4998 | } | |
4999 | else | |
5000 | { | |
5001 | if (*data != 0) | |
b40bf0a2 | 5002 | { |
77145576 JK |
5003 | unsigned char *ptr_directory_table = data; |
5004 | ||
5005 | while (data < end && *data != 0) | |
5006 | { | |
5007 | data += strnlen ((char *) data, end - data) + 1; | |
5008 | n_directories++; | |
5009 | } | |
5010 | ||
5011 | /* PR 20440 */ | |
5012 | if (data >= end) | |
5013 | { | |
5014 | warn (_("directory table ends unexpectedly\n")); | |
5015 | n_directories = 0; | |
5016 | break; | |
5017 | } | |
5018 | ||
5019 | /* Go through the directory table again to save the directories. */ | |
5020 | directory_table = (unsigned char **) | |
5021 | xmalloc (n_directories * sizeof (unsigned char *)); | |
5022 | ||
5023 | i = 0; | |
5024 | while (*ptr_directory_table != 0) | |
5025 | { | |
5026 | directory_table[i] = ptr_directory_table; | |
5027 | ptr_directory_table += strnlen ((char *) ptr_directory_table, | |
5028 | ptr_directory_table - end) + 1; | |
5029 | i++; | |
5030 | } | |
b40bf0a2 | 5031 | } |
77145576 JK |
5032 | /* Skip the NUL at the end of the table. */ |
5033 | data++; | |
5034 | ||
5035 | /* Traverse the File Name table just to count the entries. */ | |
5036 | if (data < end && *data != 0) | |
b40bf0a2 | 5037 | { |
77145576 JK |
5038 | unsigned char *ptr_file_name_table = data; |
5039 | ||
5040 | while (data < end && *data != 0) | |
db9537d2 | 5041 | { |
cd30bcef AM |
5042 | /* Skip Name, directory index, last modification |
5043 | time and length of file. */ | |
77145576 | 5044 | data += strnlen ((char *) data, end - data) + 1; |
cd30bcef AM |
5045 | SKIP_ULEB (data, end); |
5046 | SKIP_ULEB (data, end); | |
5047 | SKIP_ULEB (data, end); | |
77145576 | 5048 | n_files++; |
db9537d2 | 5049 | } |
a262ae96 | 5050 | |
77145576 JK |
5051 | if (data >= end) |
5052 | { | |
5053 | warn (_("file table ends unexpectedly\n")); | |
5054 | n_files = 0; | |
5055 | break; | |
5056 | } | |
5057 | ||
5058 | /* Go through the file table again to save the strings. */ | |
5059 | file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry)); | |
0c588247 | 5060 | |
77145576 JK |
5061 | i = 0; |
5062 | while (*ptr_file_name_table != 0) | |
5063 | { | |
77145576 JK |
5064 | file_table[i].name = ptr_file_name_table; |
5065 | ptr_file_name_table += strnlen ((char *) ptr_file_name_table, | |
5066 | end - ptr_file_name_table) + 1; | |
5067 | ||
5068 | /* We are not interested in directory, time or size. */ | |
cd30bcef AM |
5069 | READ_ULEB (file_table[i].directory_index, |
5070 | ptr_file_name_table, end); | |
5071 | READ_ULEB (file_table[i].modification_date, | |
5072 | ptr_file_name_table, end); | |
5073 | READ_ULEB (file_table[i].length, | |
5074 | ptr_file_name_table, end); | |
77145576 JK |
5075 | i++; |
5076 | } | |
5077 | i = 0; | |
b40bf0a2 | 5078 | } |
77145576 JK |
5079 | |
5080 | /* Skip the NUL at the end of the table. */ | |
5081 | data++; | |
b40bf0a2 | 5082 | } |
cc5914eb | 5083 | |
77145576 | 5084 | /* Print the Compilation Unit's name and a header. */ |
f082820d | 5085 | if (file_table == NULL) |
070b775f | 5086 | printf (_("CU: No directory table\n")); |
f082820d AM |
5087 | else if (directory_table == NULL) |
5088 | printf (_("CU: %s:\n"), file_table[0].name); | |
77145576 JK |
5089 | else |
5090 | { | |
5091 | unsigned int ix = file_table[0].directory_index; | |
5092 | const char *directory; | |
5093 | ||
5094 | if (ix == 0) | |
5095 | directory = "."; | |
5096 | /* PR 20439 */ | |
5097 | else if (n_directories == 0) | |
5098 | directory = _("<unknown>"); | |
5099 | else if (ix > n_directories) | |
5100 | { | |
5101 | warn (_("directory index %u > number of directories %s\n"), | |
5102 | ix, dwarf_vmatoa ("u", n_directories)); | |
5103 | directory = _("<corrupt>"); | |
5104 | } | |
5105 | else | |
5106 | directory = (char *) directory_table[ix - 1]; | |
5107 | ||
5108 | if (do_wide || strlen (directory) < 76) | |
5109 | printf (_("CU: %s/%s:\n"), directory, file_table[0].name); | |
5110 | else | |
5111 | printf ("%s:\n", file_table[0].name); | |
77145576 | 5112 | } |
a262ae96 | 5113 | |
070b775f NC |
5114 | if (n_files > 0) |
5115 | printf (_("File name Line number Starting address View Stmt\n")); | |
5116 | else | |
5117 | printf (_("CU: Empty file name table\n")); | |
b40bf0a2 NC |
5118 | saved_linfo = linfo; |
5119 | } | |
a262ae96 NC |
5120 | |
5121 | /* This loop iterates through the Dwarf Line Number Program. */ | |
5122 | while (data < end_of_sequence) | |
b4eb7656 | 5123 | { |
a262ae96 | 5124 | unsigned char op_code; |
ba8826a8 | 5125 | int xop; |
b4eb7656 AM |
5126 | int adv; |
5127 | unsigned long int uladv; | |
b4eb7656 | 5128 | int is_special_opcode = 0; |
a262ae96 | 5129 | |
b4eb7656 | 5130 | op_code = *data++; |
ba8826a8 | 5131 | xop = op_code; |
a262ae96 | 5132 | |
b4eb7656 | 5133 | if (op_code >= linfo.li_opcode_base) |
a262ae96 | 5134 | { |
91d6fa6a | 5135 | op_code -= linfo.li_opcode_base; |
a233b20c JJ |
5136 | uladv = (op_code / linfo.li_line_range); |
5137 | if (linfo.li_max_ops_per_insn == 1) | |
5138 | { | |
5139 | uladv *= linfo.li_min_insn_length; | |
5140 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
5141 | if (uladv) |
5142 | state_machine_regs.view = 0; | |
a233b20c JJ |
5143 | } |
5144 | else | |
5145 | { | |
ba8826a8 AO |
5146 | unsigned addrdelta |
5147 | = ((state_machine_regs.op_index + uladv) | |
5148 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 5149 | * linfo.li_min_insn_length; |
ba8826a8 AO |
5150 | state_machine_regs.address |
5151 | += addrdelta; | |
a233b20c JJ |
5152 | state_machine_regs.op_index |
5153 | = (state_machine_regs.op_index + uladv) | |
b40bf0a2 | 5154 | % linfo.li_max_ops_per_insn; |
ba8826a8 AO |
5155 | if (addrdelta) |
5156 | state_machine_regs.view = 0; | |
a233b20c | 5157 | } |
a262ae96 | 5158 | |
b4eb7656 AM |
5159 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; |
5160 | state_machine_regs.line += adv; | |
5161 | is_special_opcode = 1; | |
ba8826a8 | 5162 | /* Increment view after printing this row. */ |
b4eb7656 | 5163 | } |
cd30bcef AM |
5164 | else |
5165 | switch (op_code) | |
5166 | { | |
5167 | case DW_LNS_extended_op: | |
5168 | { | |
5169 | unsigned int ext_op_code_len; | |
5170 | unsigned char ext_op_code; | |
5171 | unsigned char *op_code_end; | |
5172 | unsigned char *op_code_data = data; | |
5173 | ||
5174 | READ_ULEB (ext_op_code_len, op_code_data, end_of_sequence); | |
5175 | op_code_end = op_code_data + ext_op_code_len; | |
5176 | if (ext_op_code_len == 0 || op_code_end > end_of_sequence) | |
5177 | { | |
5178 | warn (_("Badly formed extended line op encountered!\n")); | |
5179 | break; | |
5180 | } | |
5181 | ext_op_code = *op_code_data++; | |
5182 | xop = ext_op_code; | |
5183 | xop = -xop; | |
5184 | ||
5185 | switch (ext_op_code) | |
5186 | { | |
5187 | case DW_LNE_end_sequence: | |
5188 | /* Reset stuff after printing this row. */ | |
5189 | break; | |
5190 | case DW_LNE_set_address: | |
5191 | SAFE_BYTE_GET_AND_INC (state_machine_regs.address, | |
5192 | op_code_data, | |
5193 | op_code_end - op_code_data, | |
5194 | op_code_end); | |
5195 | state_machine_regs.op_index = 0; | |
5196 | state_machine_regs.view = 0; | |
5197 | break; | |
5198 | case DW_LNE_define_file: | |
5199 | file_table = (File_Entry *) xrealloc | |
5200 | (file_table, (n_files + 1) * sizeof (File_Entry)); | |
5201 | ||
5202 | ++state_machine_regs.last_file_entry; | |
5203 | /* Source file name. */ | |
5204 | file_table[n_files].name = op_code_data; | |
5205 | op_code_data += strlen ((char *) op_code_data) + 1; | |
5206 | /* Directory index. */ | |
5207 | READ_ULEB (file_table[n_files].directory_index, | |
5208 | op_code_data, op_code_end); | |
5209 | /* Last modification time. */ | |
5210 | READ_ULEB (file_table[n_files].modification_date, | |
5211 | op_code_data, op_code_end); | |
5212 | /* File length. */ | |
5213 | READ_ULEB (file_table[n_files].length, | |
5214 | op_code_data, op_code_end); | |
5215 | n_files++; | |
5216 | break; | |
5217 | ||
5218 | case DW_LNE_set_discriminator: | |
5219 | case DW_LNE_HP_set_sequence: | |
5220 | /* Simply ignored. */ | |
5221 | break; | |
5222 | ||
5223 | default: | |
5224 | printf (_("UNKNOWN (%u): length %ld\n"), | |
27653fba | 5225 | ext_op_code, (long int) (op_code_data - data)); |
cd30bcef AM |
5226 | break; |
5227 | } | |
5228 | data = op_code_end; | |
5229 | break; | |
5230 | } | |
5231 | case DW_LNS_copy: | |
5232 | /* Increment view after printing this row. */ | |
5233 | break; | |
5234 | ||
5235 | case DW_LNS_advance_pc: | |
5236 | READ_ULEB (uladv, data, end); | |
5237 | if (linfo.li_max_ops_per_insn == 1) | |
5238 | { | |
5239 | uladv *= linfo.li_min_insn_length; | |
5240 | state_machine_regs.address += uladv; | |
5241 | if (uladv) | |
5242 | state_machine_regs.view = 0; | |
5243 | } | |
5244 | else | |
5245 | { | |
5246 | unsigned addrdelta | |
5247 | = ((state_machine_regs.op_index + uladv) | |
5248 | / linfo.li_max_ops_per_insn) | |
5249 | * linfo.li_min_insn_length; | |
5250 | state_machine_regs.address | |
5251 | += addrdelta; | |
5252 | state_machine_regs.op_index | |
5253 | = (state_machine_regs.op_index + uladv) | |
5254 | % linfo.li_max_ops_per_insn; | |
5255 | if (addrdelta) | |
5256 | state_machine_regs.view = 0; | |
5257 | } | |
5258 | break; | |
5259 | ||
5260 | case DW_LNS_advance_line: | |
5261 | READ_SLEB (adv, data, end); | |
5262 | state_machine_regs.line += adv; | |
5263 | break; | |
5264 | ||
5265 | case DW_LNS_set_file: | |
5266 | READ_ULEB (uladv, data, end); | |
5267 | state_machine_regs.file = uladv; | |
5268 | ||
5269 | { | |
5270 | unsigned file = state_machine_regs.file - 1; | |
5271 | unsigned dir; | |
5272 | ||
5273 | if (file_table == NULL || n_files == 0) | |
5274 | printf (_("\n [Use file table entry %d]\n"), file); | |
5275 | /* PR 20439 */ | |
5276 | else if (file >= n_files) | |
5277 | { | |
5278 | warn (_("file index %u > number of files %u\n"), file + 1, n_files); | |
5279 | printf (_("\n <over large file table index %u>"), file); | |
5280 | } | |
5281 | else if ((dir = file_table[file].directory_index) == 0) | |
5282 | /* If directory index is 0, that means current directory. */ | |
5283 | printf ("\n./%s:[++]\n", file_table[file].name); | |
5284 | else if (directory_table == NULL || n_directories == 0) | |
5285 | printf (_("\n [Use file %s in directory table entry %d]\n"), | |
5286 | file_table[file].name, dir); | |
5287 | /* PR 20439 */ | |
5288 | else if (dir > n_directories) | |
5289 | { | |
5290 | warn (_("directory index %u > number of directories %s\n"), | |
5291 | dir, dwarf_vmatoa ("u", n_directories)); | |
5292 | printf (_("\n <over large directory table entry %u>\n"), dir); | |
5293 | } | |
5294 | else | |
5295 | printf ("\n%s/%s:\n", | |
5296 | /* The directory index starts counting at 1. */ | |
5297 | directory_table[dir - 1], file_table[file].name); | |
5298 | } | |
5299 | break; | |
5300 | ||
5301 | case DW_LNS_set_column: | |
5302 | READ_ULEB (uladv, data, end); | |
5303 | state_machine_regs.column = uladv; | |
5304 | break; | |
5305 | ||
5306 | case DW_LNS_negate_stmt: | |
5307 | adv = state_machine_regs.is_stmt; | |
5308 | adv = ! adv; | |
5309 | state_machine_regs.is_stmt = adv; | |
5310 | break; | |
5311 | ||
5312 | case DW_LNS_set_basic_block: | |
5313 | state_machine_regs.basic_block = 1; | |
5314 | break; | |
5315 | ||
5316 | case DW_LNS_const_add_pc: | |
5317 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); | |
5318 | if (linfo.li_max_ops_per_insn == 1) | |
5319 | { | |
5320 | uladv *= linfo.li_min_insn_length; | |
5321 | state_machine_regs.address += uladv; | |
5322 | if (uladv) | |
5323 | state_machine_regs.view = 0; | |
5324 | } | |
5325 | else | |
5326 | { | |
5327 | unsigned addrdelta | |
5328 | = ((state_machine_regs.op_index + uladv) | |
5329 | / linfo.li_max_ops_per_insn) | |
5330 | * linfo.li_min_insn_length; | |
5331 | state_machine_regs.address | |
5332 | += addrdelta; | |
5333 | state_machine_regs.op_index | |
5334 | = (state_machine_regs.op_index + uladv) | |
5335 | % linfo.li_max_ops_per_insn; | |
5336 | if (addrdelta) | |
5337 | state_machine_regs.view = 0; | |
5338 | } | |
5339 | break; | |
5340 | ||
5341 | case DW_LNS_fixed_advance_pc: | |
5342 | SAFE_BYTE_GET_AND_INC (uladv, data, 2, end); | |
5343 | state_machine_regs.address += uladv; | |
5344 | state_machine_regs.op_index = 0; | |
5345 | /* Do NOT reset view. */ | |
5346 | break; | |
5347 | ||
5348 | case DW_LNS_set_prologue_end: | |
5349 | break; | |
5350 | ||
5351 | case DW_LNS_set_epilogue_begin: | |
5352 | break; | |
5353 | ||
5354 | case DW_LNS_set_isa: | |
5355 | READ_ULEB (uladv, data, end); | |
5356 | printf (_(" Set ISA to %lu\n"), uladv); | |
5357 | break; | |
5358 | ||
5359 | default: | |
5360 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
5361 | ||
5362 | if (standard_opcodes != NULL) | |
5363 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
5364 | { | |
5365 | dwarf_vma val; | |
5366 | ||
5367 | READ_ULEB (val, data, end); | |
5368 | printf ("0x%s%s", dwarf_vmatoa ("x", val), | |
5369 | i == 1 ? "" : ", "); | |
5370 | } | |
5371 | putchar ('\n'); | |
5372 | break; | |
5373 | } | |
a262ae96 | 5374 | |
b4eb7656 AM |
5375 | /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row |
5376 | to the DWARF address/line matrix. */ | |
ba8826a8 AO |
5377 | if ((is_special_opcode) || (xop == -DW_LNE_end_sequence) |
5378 | || (xop == DW_LNS_copy)) | |
b4eb7656 AM |
5379 | { |
5380 | const unsigned int MAX_FILENAME_LENGTH = 35; | |
5381 | char *fileName; | |
5382 | char *newFileName = NULL; | |
5383 | size_t fileNameLength; | |
b40bf0a2 NC |
5384 | |
5385 | if (file_table) | |
db9537d2 NC |
5386 | { |
5387 | unsigned indx = state_machine_regs.file - 1; | |
5388 | /* PR 20439 */ | |
5389 | if (indx >= n_files) | |
5390 | { | |
5391 | warn (_("corrupt file index %u encountered\n"), indx); | |
5392 | fileName = _("<corrupt>"); | |
5393 | } | |
5394 | else | |
5395 | fileName = (char *) file_table[indx].name; | |
5396 | } | |
b40bf0a2 | 5397 | else |
db9537d2 | 5398 | fileName = _("<unknown>"); |
b40bf0a2 NC |
5399 | |
5400 | fileNameLength = strlen (fileName); | |
a262ae96 | 5401 | |
b4eb7656 AM |
5402 | if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide)) |
5403 | { | |
5404 | newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1); | |
5405 | /* Truncate file name */ | |
5406 | strncpy (newFileName, | |
5407 | fileName + fileNameLength - MAX_FILENAME_LENGTH, | |
5408 | MAX_FILENAME_LENGTH + 1); | |
e1104d08 NC |
5409 | /* FIXME: This is to pacify gcc-10 which can warn that the |
5410 | strncpy above might leave a non-NUL terminated string | |
5411 | in newFileName. It won't, but gcc's analysis doesn't | |
5412 | quite go far enough to discover this. */ | |
5413 | newFileName[MAX_FILENAME_LENGTH] = 0; | |
b4eb7656 AM |
5414 | } |
5415 | else | |
5416 | { | |
5417 | newFileName = (char *) xmalloc (fileNameLength + 1); | |
5418 | strncpy (newFileName, fileName, fileNameLength + 1); | |
5419 | } | |
5420 | ||
af2b3186 TV |
5421 | /* A row with end_seq set to true has a meaningful address, but |
5422 | the other information in the same row is not significant. | |
5423 | In such a row, print line as "-", and don't print | |
5424 | view/is_stmt. */ | |
b4eb7656 AM |
5425 | if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH)) |
5426 | { | |
a233b20c | 5427 | if (linfo.li_max_ops_per_insn == 1) |
af2b3186 TV |
5428 | { |
5429 | if (xop == -DW_LNE_end_sequence) | |
5430 | printf ("%-35s %11s %#18" DWARF_VMA_FMT "x", | |
5431 | newFileName, "-", | |
5432 | state_machine_regs.address); | |
5433 | else | |
5434 | printf ("%-35s %11d %#18" DWARF_VMA_FMT "x", | |
5435 | newFileName, state_machine_regs.line, | |
5436 | state_machine_regs.address); | |
5437 | } | |
a233b20c | 5438 | else |
af2b3186 TV |
5439 | { |
5440 | if (xop == -DW_LNE_end_sequence) | |
5441 | printf ("%-35s %11s %#18" DWARF_VMA_FMT "x[%d]", | |
5442 | newFileName, "-", | |
5443 | state_machine_regs.address, | |
5444 | state_machine_regs.op_index); | |
5445 | else | |
5446 | printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]", | |
5447 | newFileName, state_machine_regs.line, | |
5448 | state_machine_regs.address, | |
5449 | state_machine_regs.op_index); | |
5450 | } | |
b4eb7656 AM |
5451 | } |
5452 | else | |
5453 | { | |
a233b20c | 5454 | if (linfo.li_max_ops_per_insn == 1) |
af2b3186 TV |
5455 | { |
5456 | if (xop == -DW_LNE_end_sequence) | |
5457 | printf ("%s %11s %#18" DWARF_VMA_FMT "x", | |
5458 | newFileName, "-", | |
5459 | state_machine_regs.address); | |
5460 | else | |
5461 | printf ("%s %11d %#18" DWARF_VMA_FMT "x", | |
5462 | newFileName, state_machine_regs.line, | |
5463 | state_machine_regs.address); | |
5464 | } | |
a233b20c | 5465 | else |
af2b3186 TV |
5466 | { |
5467 | if (xop == -DW_LNE_end_sequence) | |
5468 | printf ("%s %11s %#18" DWARF_VMA_FMT "x[%d]", | |
5469 | newFileName, "-", | |
5470 | state_machine_regs.address, | |
5471 | state_machine_regs.op_index); | |
5472 | else | |
5473 | printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]", | |
5474 | newFileName, state_machine_regs.line, | |
5475 | state_machine_regs.address, | |
5476 | state_machine_regs.op_index); | |
5477 | } | |
b4eb7656 | 5478 | } |
a262ae96 | 5479 | |
af2b3186 TV |
5480 | if (xop != -DW_LNE_end_sequence) |
5481 | { | |
5482 | if (state_machine_regs.view) | |
5483 | printf (" %6u", state_machine_regs.view); | |
5484 | else | |
5485 | printf (" "); | |
17f6ade2 | 5486 | |
af2b3186 TV |
5487 | if (state_machine_regs.is_stmt) |
5488 | printf (" x"); | |
5489 | } | |
17f6ade2 JD |
5490 | |
5491 | putchar ('\n'); | |
ba8826a8 AO |
5492 | state_machine_regs.view++; |
5493 | ||
5494 | if (xop == -DW_LNE_end_sequence) | |
5495 | { | |
5496 | reset_state_machine (linfo.li_default_is_stmt); | |
5497 | putchar ('\n'); | |
5498 | } | |
a262ae96 | 5499 | |
b4eb7656 AM |
5500 | free (newFileName); |
5501 | } | |
5502 | } | |
b40bf0a2 NC |
5503 | |
5504 | if (file_table) | |
5505 | { | |
5506 | free (file_table); | |
5507 | file_table = NULL; | |
5508 | n_files = 0; | |
5509 | } | |
5510 | ||
5511 | if (directory_table) | |
5512 | { | |
5513 | free (directory_table); | |
5514 | directory_table = NULL; | |
5515 | n_directories = 0; | |
5516 | } | |
5517 | ||
a262ae96 NC |
5518 | putchar ('\n'); |
5519 | } | |
5520 | ||
5521 | return 1; | |
5522 | } | |
5523 | ||
5524 | static int | |
77145576 | 5525 | display_debug_lines (struct dwarf_section *section, void *file) |
a262ae96 NC |
5526 | { |
5527 | unsigned char *data = section->start; | |
5528 | unsigned char *end = data + section->size; | |
4cb93e3b TG |
5529 | int retValRaw = 1; |
5530 | int retValDecoded = 1; | |
a262ae96 | 5531 | |
008f4c78 NC |
5532 | if (do_debug_lines == 0) |
5533 | do_debug_lines |= FLAG_DEBUG_LINES_RAW; | |
5534 | ||
4cb93e3b | 5535 | if (do_debug_lines & FLAG_DEBUG_LINES_RAW) |
77145576 | 5536 | retValRaw = display_debug_lines_raw (section, data, end, file); |
a262ae96 | 5537 | |
4cb93e3b | 5538 | if (do_debug_lines & FLAG_DEBUG_LINES_DECODED) |
ec1b0fbb | 5539 | retValDecoded = display_debug_lines_decoded (section, data, data, end, file); |
a262ae96 | 5540 | |
4cb93e3b | 5541 | if (!retValRaw || !retValDecoded) |
a262ae96 NC |
5542 | return 0; |
5543 | ||
5544 | return 1; | |
5545 | } | |
5546 | ||
6e3d6dc1 NC |
5547 | static debug_info * |
5548 | find_debug_info_for_offset (unsigned long offset) | |
5549 | { | |
5550 | unsigned int i; | |
5551 | ||
5552 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) | |
5553 | return NULL; | |
5554 | ||
5555 | for (i = 0; i < num_debug_info_entries; i++) | |
5556 | if (debug_information[i].cu_offset == offset) | |
5557 | return debug_information + i; | |
5558 | ||
5559 | return NULL; | |
5560 | } | |
5561 | ||
459d52c8 DE |
5562 | static const char * |
5563 | get_gdb_index_symbol_kind_name (gdb_index_symbol_kind kind) | |
5564 | { | |
5565 | /* See gdb/gdb-index.h. */ | |
5566 | static const char * const kinds[] = | |
5567 | { | |
5568 | N_ ("no info"), | |
5569 | N_ ("type"), | |
5570 | N_ ("variable"), | |
5571 | N_ ("function"), | |
5572 | N_ ("other"), | |
5573 | N_ ("unused5"), | |
5574 | N_ ("unused6"), | |
5575 | N_ ("unused7") | |
5576 | }; | |
5577 | ||
5578 | return _ (kinds[kind]); | |
5579 | } | |
5580 | ||
19e6b90e | 5581 | static int |
459d52c8 DE |
5582 | display_debug_pubnames_worker (struct dwarf_section *section, |
5583 | void *file ATTRIBUTE_UNUSED, | |
5584 | int is_gnu) | |
19e6b90e | 5585 | { |
91d6fa6a | 5586 | DWARF2_Internal_PubNames names; |
19e6b90e L |
5587 | unsigned char *start = section->start; |
5588 | unsigned char *end = start + section->size; | |
5589 | ||
6e3d6dc1 NC |
5590 | /* It does not matter if this load fails, |
5591 | we test for that later on. */ | |
5592 | load_debug_info (file); | |
5593 | ||
dda8d76d | 5594 | introduce (section, FALSE); |
19e6b90e L |
5595 | |
5596 | while (start < end) | |
5597 | { | |
5598 | unsigned char *data; | |
e98fdf1a | 5599 | unsigned long sec_off; |
bf5117e3 | 5600 | unsigned int offset_size, initial_length_size; |
19e6b90e | 5601 | |
e98fdf1a | 5602 | SAFE_BYTE_GET_AND_INC (names.pn_length, start, 4, end); |
91d6fa6a | 5603 | if (names.pn_length == 0xffffffff) |
19e6b90e | 5604 | { |
e98fdf1a | 5605 | SAFE_BYTE_GET_AND_INC (names.pn_length, start, 8, end); |
19e6b90e L |
5606 | offset_size = 8; |
5607 | initial_length_size = 12; | |
5608 | } | |
5609 | else | |
5610 | { | |
5611 | offset_size = 4; | |
5612 | initial_length_size = 4; | |
5613 | } | |
5614 | ||
e98fdf1a AM |
5615 | sec_off = start - section->start; |
5616 | if (sec_off + names.pn_length < sec_off | |
5617 | || sec_off + names.pn_length > section->size) | |
5618 | { | |
5619 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), | |
5620 | section->name, | |
5621 | sec_off - initial_length_size, | |
5622 | dwarf_vmatoa ("x", names.pn_length)); | |
5623 | break; | |
5624 | } | |
5625 | ||
5626 | data = start; | |
5627 | start += names.pn_length; | |
5628 | ||
0c588247 NC |
5629 | SAFE_BYTE_GET_AND_INC (names.pn_version, data, 2, end); |
5630 | SAFE_BYTE_GET_AND_INC (names.pn_offset, data, offset_size, end); | |
6e3d6dc1 NC |
5631 | |
5632 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE | |
5633 | && num_debug_info_entries > 0 | |
91d6fa6a | 5634 | && find_debug_info_for_offset (names.pn_offset) == NULL) |
6e3d6dc1 | 5635 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), |
47704ddf | 5636 | (unsigned long) names.pn_offset, section->name); |
cecf136e | 5637 | |
0c588247 | 5638 | SAFE_BYTE_GET_AND_INC (names.pn_size, data, offset_size, end); |
19e6b90e | 5639 | |
058037d3 NC |
5640 | printf (_(" Length: %ld\n"), |
5641 | (long) names.pn_length); | |
5642 | printf (_(" Version: %d\n"), | |
5643 | names.pn_version); | |
5644 | printf (_(" Offset into .debug_info section: 0x%lx\n"), | |
5645 | (unsigned long) names.pn_offset); | |
5646 | printf (_(" Size of area in .debug_info section: %ld\n"), | |
5647 | (long) names.pn_size); | |
19e6b90e | 5648 | |
91d6fa6a | 5649 | if (names.pn_version != 2 && names.pn_version != 3) |
19e6b90e L |
5650 | { |
5651 | static int warned = 0; | |
5652 | ||
5653 | if (! warned) | |
5654 | { | |
5655 | warn (_("Only DWARF 2 and 3 pubnames are currently supported\n")); | |
5656 | warned = 1; | |
5657 | } | |
5658 | ||
5659 | continue; | |
5660 | } | |
5661 | ||
459d52c8 DE |
5662 | if (is_gnu) |
5663 | printf (_("\n Offset Kind Name\n")); | |
5664 | else | |
5665 | printf (_("\n Offset\tName\n")); | |
19e6b90e | 5666 | |
e98fdf1a | 5667 | while (1) |
19e6b90e | 5668 | { |
f41e4712 | 5669 | bfd_size_type maxprint; |
e98fdf1a | 5670 | dwarf_vma offset; |
f41e4712 | 5671 | |
0c588247 | 5672 | SAFE_BYTE_GET (offset, data, offset_size, end); |
19e6b90e | 5673 | |
e98fdf1a AM |
5674 | if (offset == 0) |
5675 | break; | |
b4eb7656 | 5676 | |
e98fdf1a AM |
5677 | data += offset_size; |
5678 | if (data >= end) | |
5679 | break; | |
5680 | maxprint = (end - data) - 1; | |
f41e4712 | 5681 | |
e98fdf1a AM |
5682 | if (is_gnu) |
5683 | { | |
5684 | unsigned int kind_data; | |
5685 | gdb_index_symbol_kind kind; | |
5686 | const char *kind_name; | |
5687 | int is_static; | |
5688 | ||
5689 | SAFE_BYTE_GET (kind_data, data, 1, end); | |
5690 | data++; | |
5691 | maxprint --; | |
5692 | /* GCC computes the kind as the upper byte in the CU index | |
5693 | word, and then right shifts it by the CU index size. | |
5694 | Left shift KIND to where the gdb-index.h accessor macros | |
5695 | can use it. */ | |
5696 | kind_data <<= GDB_INDEX_CU_BITSIZE; | |
5697 | kind = GDB_INDEX_SYMBOL_KIND_VALUE (kind_data); | |
5698 | kind_name = get_gdb_index_symbol_kind_name (kind); | |
5699 | is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (kind_data); | |
5700 | printf (" %-6lx %s,%-10s %.*s\n", | |
5701 | (unsigned long) offset, is_static ? _("s") : _("g"), | |
5702 | kind_name, (int) maxprint, data); | |
19e6b90e | 5703 | } |
e98fdf1a AM |
5704 | else |
5705 | printf (" %-6lx\t%.*s\n", | |
5706 | (unsigned long) offset, (int) maxprint, data); | |
5707 | ||
5708 | data += strnlen ((char *) data, maxprint) + 1; | |
5709 | if (data >= end) | |
5710 | break; | |
19e6b90e | 5711 | } |
19e6b90e L |
5712 | } |
5713 | ||
5714 | printf ("\n"); | |
5715 | return 1; | |
5716 | } | |
5717 | ||
459d52c8 DE |
5718 | static int |
5719 | display_debug_pubnames (struct dwarf_section *section, void *file) | |
5720 | { | |
5721 | return display_debug_pubnames_worker (section, file, 0); | |
5722 | } | |
5723 | ||
5724 | static int | |
5725 | display_debug_gnu_pubnames (struct dwarf_section *section, void *file) | |
5726 | { | |
5727 | return display_debug_pubnames_worker (section, file, 1); | |
5728 | } | |
5729 | ||
19e6b90e L |
5730 | static int |
5731 | display_debug_macinfo (struct dwarf_section *section, | |
5732 | void *file ATTRIBUTE_UNUSED) | |
5733 | { | |
5734 | unsigned char *start = section->start; | |
5735 | unsigned char *end = start + section->size; | |
5736 | unsigned char *curr = start; | |
19e6b90e L |
5737 | enum dwarf_macinfo_record_type op; |
5738 | ||
dda8d76d | 5739 | introduce (section, FALSE); |
19e6b90e L |
5740 | |
5741 | while (curr < end) | |
5742 | { | |
5743 | unsigned int lineno; | |
0c588247 | 5744 | const unsigned char *string; |
19e6b90e | 5745 | |
3f5e193b | 5746 | op = (enum dwarf_macinfo_record_type) *curr; |
19e6b90e L |
5747 | curr++; |
5748 | ||
5749 | switch (op) | |
5750 | { | |
5751 | case DW_MACINFO_start_file: | |
5752 | { | |
5753 | unsigned int filenum; | |
5754 | ||
cd30bcef AM |
5755 | READ_ULEB (lineno, curr, end); |
5756 | READ_ULEB (filenum, curr, end); | |
19e6b90e L |
5757 | printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), |
5758 | lineno, filenum); | |
5759 | } | |
5760 | break; | |
5761 | ||
5762 | case DW_MACINFO_end_file: | |
5763 | printf (_(" DW_MACINFO_end_file\n")); | |
5764 | break; | |
5765 | ||
5766 | case DW_MACINFO_define: | |
cd30bcef | 5767 | READ_ULEB (lineno, curr, end); |
0c588247 NC |
5768 | string = curr; |
5769 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
5770 | printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"), |
5771 | lineno, string); | |
5772 | break; | |
5773 | ||
5774 | case DW_MACINFO_undef: | |
cd30bcef | 5775 | READ_ULEB (lineno, curr, end); |
0c588247 NC |
5776 | string = curr; |
5777 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
5778 | printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"), |
5779 | lineno, string); | |
5780 | break; | |
5781 | ||
5782 | case DW_MACINFO_vendor_ext: | |
5783 | { | |
5784 | unsigned int constant; | |
5785 | ||
cd30bcef | 5786 | READ_ULEB (constant, curr, end); |
0c588247 NC |
5787 | string = curr; |
5788 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
5789 | printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), |
5790 | constant, string); | |
5791 | } | |
5792 | break; | |
5793 | } | |
5794 | } | |
5795 | ||
5796 | return 1; | |
5797 | } | |
5798 | ||
4ccf1e31 JJ |
5799 | /* Given LINE_OFFSET into the .debug_line section, attempt to return |
5800 | filename and dirname corresponding to file name table entry with index | |
5801 | FILEIDX. Return NULL on failure. */ | |
5802 | ||
5803 | static unsigned char * | |
f6f0e17b NC |
5804 | get_line_filename_and_dirname (dwarf_vma line_offset, |
5805 | dwarf_vma fileidx, | |
4ccf1e31 JJ |
5806 | unsigned char **dir_name) |
5807 | { | |
5808 | struct dwarf_section *section = &debug_displays [line].section; | |
5809 | unsigned char *hdrptr, *dirtable, *file_name; | |
5810 | unsigned int offset_size, initial_length_size; | |
cd30bcef | 5811 | unsigned int version, opcode_base; |
4ccf1e31 | 5812 | dwarf_vma length, diridx; |
f6f0e17b | 5813 | const unsigned char * end; |
4ccf1e31 JJ |
5814 | |
5815 | *dir_name = NULL; | |
5816 | if (section->start == NULL | |
5817 | || line_offset >= section->size | |
5818 | || fileidx == 0) | |
5819 | return NULL; | |
5820 | ||
5821 | hdrptr = section->start + line_offset; | |
f6f0e17b | 5822 | end = section->start + section->size; |
0c588247 NC |
5823 | |
5824 | SAFE_BYTE_GET_AND_INC (length, hdrptr, 4, end); | |
4ccf1e31 JJ |
5825 | if (length == 0xffffffff) |
5826 | { | |
5827 | /* This section is 64-bit DWARF 3. */ | |
0c588247 | 5828 | SAFE_BYTE_GET_AND_INC (length, hdrptr, 8, end); |
4ccf1e31 JJ |
5829 | offset_size = 8; |
5830 | initial_length_size = 12; | |
5831 | } | |
5832 | else | |
5833 | { | |
5834 | offset_size = 4; | |
5835 | initial_length_size = 4; | |
5836 | } | |
e98fdf1a AM |
5837 | if (length + initial_length_size < length |
5838 | || length + initial_length_size > section->size) | |
4ccf1e31 | 5839 | return NULL; |
0c588247 NC |
5840 | |
5841 | SAFE_BYTE_GET_AND_INC (version, hdrptr, 2, end); | |
4ccf1e31 JJ |
5842 | if (version != 2 && version != 3 && version != 4) |
5843 | return NULL; | |
5844 | hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */ | |
5845 | if (version >= 4) | |
5846 | hdrptr++; /* Skip max_ops_per_insn. */ | |
5847 | hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */ | |
0c588247 NC |
5848 | |
5849 | SAFE_BYTE_GET_AND_INC (opcode_base, hdrptr, 1, end); | |
4ccf1e31 JJ |
5850 | if (opcode_base == 0) |
5851 | return NULL; | |
0c588247 | 5852 | |
4ccf1e31 | 5853 | hdrptr += opcode_base - 1; |
5c1c468d NC |
5854 | if (hdrptr >= end) |
5855 | return NULL; | |
5856 | ||
4ccf1e31 JJ |
5857 | dirtable = hdrptr; |
5858 | /* Skip over dirname table. */ | |
5859 | while (*hdrptr != '\0') | |
5c1c468d NC |
5860 | { |
5861 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; | |
5862 | if (hdrptr >= end) | |
5863 | return NULL; | |
5864 | } | |
4ccf1e31 | 5865 | hdrptr++; /* Skip the NUL at the end of the table. */ |
5c1c468d | 5866 | |
4ccf1e31 | 5867 | /* Now skip over preceding filename table entries. */ |
5c1c468d | 5868 | for (; hdrptr < end && *hdrptr != '\0' && fileidx > 1; fileidx--) |
4ccf1e31 | 5869 | { |
0c588247 | 5870 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
cd30bcef AM |
5871 | SKIP_ULEB (hdrptr, end); |
5872 | SKIP_ULEB (hdrptr, end); | |
5873 | SKIP_ULEB (hdrptr, end); | |
4ccf1e31 | 5874 | } |
5c1c468d | 5875 | if (hdrptr >= end || *hdrptr == '\0') |
4ccf1e31 | 5876 | return NULL; |
5c1c468d | 5877 | |
4ccf1e31 | 5878 | file_name = hdrptr; |
0c588247 | 5879 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
5c1c468d NC |
5880 | if (hdrptr >= end) |
5881 | return NULL; | |
cd30bcef | 5882 | READ_ULEB (diridx, hdrptr, end); |
4ccf1e31 JJ |
5883 | if (diridx == 0) |
5884 | return file_name; | |
5c1c468d | 5885 | for (; dirtable < end && *dirtable != '\0' && diridx > 1; diridx--) |
0c588247 | 5886 | dirtable += strnlen ((char *) dirtable, end - dirtable) + 1; |
5c1c468d | 5887 | if (dirtable >= end || *dirtable == '\0') |
4ccf1e31 JJ |
5888 | return NULL; |
5889 | *dir_name = dirtable; | |
5890 | return file_name; | |
5891 | } | |
5892 | ||
5893 | static int | |
5894 | display_debug_macro (struct dwarf_section *section, | |
5895 | void *file) | |
5896 | { | |
5897 | unsigned char *start = section->start; | |
5898 | unsigned char *end = start + section->size; | |
5899 | unsigned char *curr = start; | |
5900 | unsigned char *extended_op_buf[256]; | |
4ccf1e31 | 5901 | |
dda8d76d NC |
5902 | load_debug_section_with_follow (str, file); |
5903 | load_debug_section_with_follow (line, file); | |
e4b7104b | 5904 | load_debug_section_with_follow (str_index, file); |
4ccf1e31 | 5905 | |
dda8d76d | 5906 | introduce (section, FALSE); |
4ccf1e31 JJ |
5907 | |
5908 | while (curr < end) | |
5909 | { | |
5910 | unsigned int lineno, version, flags; | |
5911 | unsigned int offset_size = 4; | |
0c588247 | 5912 | const unsigned char *string; |
4ccf1e31 JJ |
5913 | dwarf_vma line_offset = 0, sec_offset = curr - start, offset; |
5914 | unsigned char **extended_ops = NULL; | |
5915 | ||
0c588247 | 5916 | SAFE_BYTE_GET_AND_INC (version, curr, 2, end); |
7a7e1061 | 5917 | if (version != 4 && version != 5) |
4ccf1e31 | 5918 | { |
7a7e1061 | 5919 | error (_("Only GNU extension to DWARF 4 or 5 of %s is currently supported.\n"), |
4ccf1e31 JJ |
5920 | section->name); |
5921 | return 0; | |
5922 | } | |
5923 | ||
0c588247 | 5924 | SAFE_BYTE_GET_AND_INC (flags, curr, 1, end); |
4ccf1e31 JJ |
5925 | if (flags & 1) |
5926 | offset_size = 8; | |
5927 | printf (_(" Offset: 0x%lx\n"), | |
5928 | (unsigned long) sec_offset); | |
5929 | printf (_(" Version: %d\n"), version); | |
5930 | printf (_(" Offset size: %d\n"), offset_size); | |
5931 | if (flags & 2) | |
5932 | { | |
0c588247 | 5933 | SAFE_BYTE_GET_AND_INC (line_offset, curr, offset_size, end); |
4ccf1e31 JJ |
5934 | printf (_(" Offset into .debug_line: 0x%lx\n"), |
5935 | (unsigned long) line_offset); | |
5936 | } | |
5937 | if (flags & 4) | |
5938 | { | |
0c588247 | 5939 | unsigned int i, count, op; |
4ccf1e31 | 5940 | dwarf_vma nargs, n; |
0c588247 NC |
5941 | |
5942 | SAFE_BYTE_GET_AND_INC (count, curr, 1, end); | |
bf5117e3 | 5943 | |
4ccf1e31 JJ |
5944 | memset (extended_op_buf, 0, sizeof (extended_op_buf)); |
5945 | extended_ops = extended_op_buf; | |
5946 | if (count) | |
5947 | { | |
5948 | printf (_(" Extension opcode arguments:\n")); | |
5949 | for (i = 0; i < count; i++) | |
5950 | { | |
0c588247 | 5951 | SAFE_BYTE_GET_AND_INC (op, curr, 1, end); |
4ccf1e31 | 5952 | extended_ops[op] = curr; |
cd30bcef | 5953 | READ_ULEB (nargs, curr, end); |
4ccf1e31 | 5954 | if (nargs == 0) |
7a7e1061 | 5955 | printf (_(" DW_MACRO_%02x has no arguments\n"), op); |
4ccf1e31 JJ |
5956 | else |
5957 | { | |
7a7e1061 | 5958 | printf (_(" DW_MACRO_%02x arguments: "), op); |
4ccf1e31 JJ |
5959 | for (n = 0; n < nargs; n++) |
5960 | { | |
0c588247 NC |
5961 | unsigned int form; |
5962 | ||
5963 | SAFE_BYTE_GET_AND_INC (form, curr, 1, end); | |
4ccf1e31 JJ |
5964 | printf ("%s%s", get_FORM_name (form), |
5965 | n == nargs - 1 ? "\n" : ", "); | |
5966 | switch (form) | |
5967 | { | |
5968 | case DW_FORM_data1: | |
5969 | case DW_FORM_data2: | |
5970 | case DW_FORM_data4: | |
5971 | case DW_FORM_data8: | |
5972 | case DW_FORM_sdata: | |
5973 | case DW_FORM_udata: | |
5974 | case DW_FORM_block: | |
5975 | case DW_FORM_block1: | |
5976 | case DW_FORM_block2: | |
5977 | case DW_FORM_block4: | |
5978 | case DW_FORM_flag: | |
5979 | case DW_FORM_string: | |
5980 | case DW_FORM_strp: | |
5981 | case DW_FORM_sec_offset: | |
5982 | break; | |
5983 | default: | |
5984 | error (_("Invalid extension opcode form %s\n"), | |
5985 | get_FORM_name (form)); | |
5986 | return 0; | |
5987 | } | |
5988 | } | |
5989 | } | |
5990 | } | |
5991 | } | |
5992 | } | |
5993 | printf ("\n"); | |
5994 | ||
5995 | while (1) | |
5996 | { | |
5997 | unsigned int op; | |
5998 | ||
5999 | if (curr >= end) | |
6000 | { | |
6001 | error (_(".debug_macro section not zero terminated\n")); | |
6002 | return 0; | |
6003 | } | |
6004 | ||
0c588247 | 6005 | SAFE_BYTE_GET_AND_INC (op, curr, 1, end); |
4ccf1e31 JJ |
6006 | if (op == 0) |
6007 | break; | |
6008 | ||
6009 | switch (op) | |
6010 | { | |
e4b7104b NC |
6011 | case DW_MACRO_define: |
6012 | READ_ULEB (lineno, curr, end); | |
6013 | string = curr; | |
6014 | curr += strnlen ((char *) string, end - string) + 1; | |
6015 | printf (_(" DW_MACRO_define - lineno : %d macro : %s\n"), | |
6016 | lineno, string); | |
6017 | break; | |
6018 | ||
6019 | case DW_MACRO_undef: | |
6020 | READ_ULEB (lineno, curr, end); | |
6021 | string = curr; | |
6022 | curr += strnlen ((char *) string, end - string) + 1; | |
6023 | printf (_(" DW_MACRO_undef - lineno : %d macro : %s\n"), | |
6024 | lineno, string); | |
6025 | break; | |
6026 | ||
7a7e1061 | 6027 | case DW_MACRO_start_file: |
4ccf1e31 JJ |
6028 | { |
6029 | unsigned int filenum; | |
6030 | unsigned char *file_name = NULL, *dir_name = NULL; | |
6031 | ||
cd30bcef AM |
6032 | READ_ULEB (lineno, curr, end); |
6033 | READ_ULEB (filenum, curr, end); | |
4ccf1e31 JJ |
6034 | |
6035 | if ((flags & 2) == 0) | |
7a7e1061 | 6036 | error (_("DW_MACRO_start_file used, but no .debug_line offset provided.\n")); |
4ccf1e31 JJ |
6037 | else |
6038 | file_name | |
6039 | = get_line_filename_and_dirname (line_offset, filenum, | |
6040 | &dir_name); | |
6041 | if (file_name == NULL) | |
7a7e1061 | 6042 | printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d\n"), |
4ccf1e31 JJ |
6043 | lineno, filenum); |
6044 | else | |
7a7e1061 | 6045 | printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d filename: %s%s%s\n"), |
4ccf1e31 JJ |
6046 | lineno, filenum, |
6047 | dir_name != NULL ? (const char *) dir_name : "", | |
6048 | dir_name != NULL ? "/" : "", file_name); | |
6049 | } | |
6050 | break; | |
6051 | ||
7a7e1061 JK |
6052 | case DW_MACRO_end_file: |
6053 | printf (_(" DW_MACRO_end_file\n")); | |
4ccf1e31 JJ |
6054 | break; |
6055 | ||
7a7e1061 | 6056 | case DW_MACRO_define_strp: |
cd30bcef | 6057 | READ_ULEB (lineno, curr, end); |
0c588247 | 6058 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 | 6059 | string = fetch_indirect_string (offset); |
7a7e1061 | 6060 | printf (_(" DW_MACRO_define_strp - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
6061 | lineno, string); |
6062 | break; | |
6063 | ||
7a7e1061 | 6064 | case DW_MACRO_undef_strp: |
cd30bcef | 6065 | READ_ULEB (lineno, curr, end); |
0c588247 | 6066 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 | 6067 | string = fetch_indirect_string (offset); |
7a7e1061 | 6068 | printf (_(" DW_MACRO_undef_strp - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
6069 | lineno, string); |
6070 | break; | |
6071 | ||
7a7e1061 | 6072 | case DW_MACRO_import: |
0c588247 | 6073 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 6074 | printf (_(" DW_MACRO_import - offset : 0x%lx\n"), |
4ccf1e31 JJ |
6075 | (unsigned long) offset); |
6076 | break; | |
6077 | ||
7a7e1061 | 6078 | case DW_MACRO_define_sup: |
cd30bcef | 6079 | READ_ULEB (lineno, curr, end); |
0c588247 | 6080 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 6081 | printf (_(" DW_MACRO_define_sup - lineno : %d macro offset : 0x%lx\n"), |
a081f3cd JJ |
6082 | lineno, (unsigned long) offset); |
6083 | break; | |
6084 | ||
7a7e1061 | 6085 | case DW_MACRO_undef_sup: |
cd30bcef | 6086 | READ_ULEB (lineno, curr, end); |
0c588247 | 6087 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 6088 | printf (_(" DW_MACRO_undef_sup - lineno : %d macro offset : 0x%lx\n"), |
a081f3cd JJ |
6089 | lineno, (unsigned long) offset); |
6090 | break; | |
6091 | ||
7a7e1061 | 6092 | case DW_MACRO_import_sup: |
0c588247 | 6093 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 6094 | printf (_(" DW_MACRO_import_sup - offset : 0x%lx\n"), |
a081f3cd JJ |
6095 | (unsigned long) offset); |
6096 | break; | |
6097 | ||
e4b7104b NC |
6098 | case DW_MACRO_define_strx: |
6099 | case DW_MACRO_undef_strx: | |
6100 | READ_ULEB (lineno, curr, end); | |
6101 | READ_ULEB (offset, curr, end); | |
6102 | string = (const unsigned char *) | |
6103 | fetch_indexed_string (offset, NULL, offset_size, FALSE); | |
6104 | if (op == DW_MACRO_define_strx) | |
6105 | printf (" DW_MACRO_define_strx "); | |
6106 | else | |
6107 | printf (" DW_MACRO_undef_strx "); | |
6108 | if (do_wide) | |
39f381cb | 6109 | printf (_("(with offset %s) "), dwarf_vmatoa ("x", offset)); |
e4b7104b NC |
6110 | printf (_("lineno : %d macro : %s\n"), |
6111 | lineno, string); | |
6112 | break; | |
6113 | ||
4ccf1e31 | 6114 | default: |
e4b7104b NC |
6115 | if (op >= DW_MACRO_lo_user && op <= DW_MACRO_hi_user) |
6116 | { | |
6117 | printf (_(" <Target Specific macro op: %#x - UNHANDLED"), op); | |
6118 | break; | |
6119 | } | |
6120 | ||
4ccf1e31 JJ |
6121 | if (extended_ops == NULL || extended_ops[op] == NULL) |
6122 | { | |
6123 | error (_(" Unknown macro opcode %02x seen\n"), op); | |
6124 | return 0; | |
6125 | } | |
6126 | else | |
6127 | { | |
6128 | /* Skip over unhandled opcodes. */ | |
6129 | dwarf_vma nargs, n; | |
6130 | unsigned char *desc = extended_ops[op]; | |
cd30bcef | 6131 | READ_ULEB (nargs, desc, end); |
4ccf1e31 JJ |
6132 | if (nargs == 0) |
6133 | { | |
7a7e1061 | 6134 | printf (_(" DW_MACRO_%02x\n"), op); |
4ccf1e31 JJ |
6135 | break; |
6136 | } | |
7a7e1061 | 6137 | printf (_(" DW_MACRO_%02x -"), op); |
4ccf1e31 JJ |
6138 | for (n = 0; n < nargs; n++) |
6139 | { | |
0c588247 NC |
6140 | int val; |
6141 | ||
77145576 | 6142 | /* DW_FORM_implicit_const is not expected here. */ |
0c588247 | 6143 | SAFE_BYTE_GET_AND_INC (val, desc, 1, end); |
4ccf1e31 | 6144 | curr |
77145576 | 6145 | = read_and_display_attr_value (0, val, 0, |
ec1b0fbb | 6146 | start, curr, end, 0, 0, offset_size, |
341f9135 | 6147 | version, NULL, 0, NULL, |
ec1b0fbb | 6148 | NULL, ' ', -1); |
4ccf1e31 JJ |
6149 | if (n != nargs - 1) |
6150 | printf (","); | |
6151 | } | |
6152 | printf ("\n"); | |
6153 | } | |
6154 | break; | |
6155 | } | |
6156 | } | |
6157 | ||
6158 | printf ("\n"); | |
b4eb7656 | 6159 | } |
4ccf1e31 JJ |
6160 | |
6161 | return 1; | |
6162 | } | |
6163 | ||
19e6b90e L |
6164 | static int |
6165 | display_debug_abbrev (struct dwarf_section *section, | |
6166 | void *file ATTRIBUTE_UNUSED) | |
6167 | { | |
6168 | abbrev_entry *entry; | |
6169 | unsigned char *start = section->start; | |
bcd213b2 | 6170 | const unsigned char *end = start + section->size; |
19e6b90e | 6171 | |
dda8d76d | 6172 | introduce (section, FALSE); |
19e6b90e L |
6173 | |
6174 | do | |
6175 | { | |
bcd213b2 NC |
6176 | abbrev_list * list; |
6177 | dwarf_vma offset; | |
7282333f | 6178 | |
bcd213b2 | 6179 | offset = start - section->start; |
76868f36 | 6180 | list = find_abbrev_list_by_abbrev_offset (0, offset); |
bcd213b2 NC |
6181 | if (list == NULL) |
6182 | { | |
76868f36 | 6183 | list = new_abbrev_list (0, offset); |
bcd213b2 NC |
6184 | start = process_abbrev_set (start, end, list); |
6185 | list->start_of_next_abbrevs = start; | |
6186 | } | |
6187 | else | |
6188 | start = list->start_of_next_abbrevs; | |
19e6b90e | 6189 | |
bcd213b2 | 6190 | if (list->first_abbrev == NULL) |
19e6b90e L |
6191 | continue; |
6192 | ||
bcd213b2 | 6193 | printf (_(" Number TAG (0x%lx)\n"), (long) offset); |
19e6b90e | 6194 | |
bcd213b2 | 6195 | for (entry = list->first_abbrev; entry; entry = entry->next) |
19e6b90e L |
6196 | { |
6197 | abbrev_attr *attr; | |
6198 | ||
cc5914eb | 6199 | printf (" %ld %s [%s]\n", |
bcd213b2 | 6200 | entry->number, |
19e6b90e L |
6201 | get_TAG_name (entry->tag), |
6202 | entry->children ? _("has children") : _("no children")); | |
6203 | ||
6204 | for (attr = entry->first_attr; attr; attr = attr->next) | |
77145576 JK |
6205 | { |
6206 | printf (" %-18s %s", | |
6207 | get_AT_name (attr->attribute), | |
6208 | get_FORM_name (attr->form)); | |
6209 | if (attr->form == DW_FORM_implicit_const) | |
6210 | printf (": %" BFD_VMA_FMT "d", attr->implicit_const); | |
6211 | putchar ('\n'); | |
6212 | } | |
19e6b90e L |
6213 | } |
6214 | } | |
6215 | while (start); | |
6216 | ||
6217 | printf ("\n"); | |
6218 | ||
6219 | return 1; | |
6220 | } | |
6221 | ||
42bcef4a AB |
6222 | /* Return true when ADDR is the maximum address, when addresses are |
6223 | POINTER_SIZE bytes long. */ | |
6224 | ||
6225 | static bfd_boolean | |
6226 | is_max_address (dwarf_vma addr, unsigned int pointer_size) | |
6227 | { | |
6228 | dwarf_vma mask = ~(~(dwarf_vma) 1 << (pointer_size * 8 - 1)); | |
6229 | return ((addr & mask) == mask); | |
6230 | } | |
6231 | ||
9f272209 AO |
6232 | /* Display a view pair list starting at *VSTART_PTR and ending at |
6233 | VLISTEND within SECTION. */ | |
6234 | ||
6235 | static void | |
6236 | display_view_pair_list (struct dwarf_section *section, | |
6237 | unsigned char **vstart_ptr, | |
6238 | unsigned int debug_info_entry, | |
6239 | unsigned char *vlistend) | |
6240 | { | |
6241 | unsigned char *vstart = *vstart_ptr; | |
6242 | unsigned char *section_end = section->start + section->size; | |
6243 | unsigned int pointer_size = debug_information [debug_info_entry].pointer_size; | |
6244 | ||
6245 | if (vlistend < section_end) | |
6246 | section_end = vlistend; | |
6247 | ||
6248 | putchar ('\n'); | |
6249 | ||
6250 | while (vstart < section_end) | |
6251 | { | |
6252 | dwarf_vma off = vstart - section->start; | |
6253 | dwarf_vma vbegin, vend; | |
6254 | ||
cd30bcef | 6255 | READ_ULEB (vbegin, vstart, section_end); |
9f272209 | 6256 | if (vstart == section_end) |
cd30bcef | 6257 | break; |
9f272209 | 6258 | |
cd30bcef | 6259 | READ_ULEB (vend, vstart, section_end); |
9f272209 AO |
6260 | printf (" %8.8lx ", (unsigned long) off); |
6261 | ||
6262 | print_dwarf_view (vbegin, pointer_size, 1); | |
6263 | print_dwarf_view (vend, pointer_size, 1); | |
6264 | printf (_("location view pair\n")); | |
6265 | } | |
6266 | ||
6267 | putchar ('\n'); | |
6268 | *vstart_ptr = vstart; | |
6269 | } | |
6270 | ||
4723351a CC |
6271 | /* Display a location list from a normal (ie, non-dwo) .debug_loc section. */ |
6272 | ||
6273 | static void | |
6274 | display_loc_list (struct dwarf_section *section, | |
b4eb7656 AM |
6275 | unsigned char **start_ptr, |
6276 | unsigned int debug_info_entry, | |
359ca075 JK |
6277 | dwarf_vma offset, |
6278 | dwarf_vma base_address, | |
9f272209 | 6279 | unsigned char **vstart_ptr, |
b4eb7656 | 6280 | int has_frame_base) |
4723351a | 6281 | { |
9f272209 | 6282 | unsigned char *start = *start_ptr, *vstart = *vstart_ptr; |
4723351a | 6283 | unsigned char *section_end = section->start + section->size; |
82b1b41b NC |
6284 | unsigned long cu_offset; |
6285 | unsigned int pointer_size; | |
6286 | unsigned int offset_size; | |
6287 | int dwarf_version; | |
4723351a CC |
6288 | |
6289 | dwarf_vma begin; | |
6290 | dwarf_vma end; | |
6291 | unsigned short length; | |
6292 | int need_frame_base; | |
6293 | ||
82b1b41b NC |
6294 | if (debug_info_entry >= num_debug_info_entries) |
6295 | { | |
6296 | warn (_("No debug information available for loc lists of entry: %u\n"), | |
6297 | debug_info_entry); | |
6298 | return; | |
6299 | } | |
b4eb7656 | 6300 | |
82b1b41b NC |
6301 | cu_offset = debug_information [debug_info_entry].cu_offset; |
6302 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
6303 | offset_size = debug_information [debug_info_entry].offset_size; | |
6304 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
b4eb7656 | 6305 | |
f41e4712 NC |
6306 | if (pointer_size < 2 || pointer_size > 8) |
6307 | { | |
6308 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
6309 | pointer_size, debug_info_entry); | |
6310 | return; | |
6311 | } | |
6312 | ||
4723351a CC |
6313 | while (1) |
6314 | { | |
359ca075 | 6315 | dwarf_vma off = offset + (start - *start_ptr); |
9f272209 | 6316 | dwarf_vma vbegin = vm1, vend = vm1; |
d1c4b12b | 6317 | |
4723351a | 6318 | if (start + 2 * pointer_size > section_end) |
b4eb7656 AM |
6319 | { |
6320 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 6321 | (unsigned long) offset); |
b4eb7656 AM |
6322 | break; |
6323 | } | |
4723351a | 6324 | |
359ca075 | 6325 | printf (" %8.8lx ", (unsigned long) off); |
fab128ef | 6326 | |
0c588247 NC |
6327 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end); |
6328 | SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end); | |
4723351a | 6329 | |
4723351a | 6330 | if (begin == 0 && end == 0) |
b4eb7656 | 6331 | { |
d1c4b12b NC |
6332 | /* PR 18374: In a object file we can have a location list that |
6333 | starts with a begin and end of 0 because there are relocations | |
6334 | that need to be applied to the addresses. Actually applying | |
6335 | the relocations now does not help as they will probably resolve | |
6336 | to 0, since the object file has not been fully linked. Real | |
6337 | end of list markers will not have any relocations against them. */ | |
6338 | if (! reloc_at (section, off) | |
6339 | && ! reloc_at (section, off + pointer_size)) | |
6340 | { | |
6341 | printf (_("<End of list>\n")); | |
6342 | break; | |
6343 | } | |
b4eb7656 | 6344 | } |
4723351a CC |
6345 | |
6346 | /* Check base address specifiers. */ | |
42bcef4a AB |
6347 | if (is_max_address (begin, pointer_size) |
6348 | && !is_max_address (end, pointer_size)) | |
b4eb7656 AM |
6349 | { |
6350 | base_address = end; | |
6351 | print_dwarf_vma (begin, pointer_size); | |
6352 | print_dwarf_vma (end, pointer_size); | |
6353 | printf (_("(base address)\n")); | |
6354 | continue; | |
6355 | } | |
4723351a | 6356 | |
9f272209 AO |
6357 | if (vstart) |
6358 | { | |
9f272209 AO |
6359 | off = offset + (vstart - *start_ptr); |
6360 | ||
cd30bcef | 6361 | READ_ULEB (vbegin, vstart, section_end); |
9f272209 AO |
6362 | print_dwarf_view (vbegin, pointer_size, 1); |
6363 | ||
cd30bcef | 6364 | READ_ULEB (vend, vstart, section_end); |
9f272209 AO |
6365 | print_dwarf_view (vend, pointer_size, 1); |
6366 | ||
6367 | printf (_("views at %8.8lx for:\n %*s "), | |
6368 | (unsigned long) off, 8, ""); | |
6369 | } | |
6370 | ||
4723351a | 6371 | if (start + 2 > section_end) |
b4eb7656 AM |
6372 | { |
6373 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 6374 | (unsigned long) offset); |
b4eb7656 AM |
6375 | break; |
6376 | } | |
4723351a | 6377 | |
0c588247 | 6378 | SAFE_BYTE_GET_AND_INC (length, start, 2, section_end); |
4723351a CC |
6379 | |
6380 | if (start + length > section_end) | |
b4eb7656 AM |
6381 | { |
6382 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 6383 | (unsigned long) offset); |
b4eb7656 AM |
6384 | break; |
6385 | } | |
4723351a CC |
6386 | |
6387 | print_dwarf_vma (begin + base_address, pointer_size); | |
6388 | print_dwarf_vma (end + base_address, pointer_size); | |
6389 | ||
6390 | putchar ('('); | |
6391 | need_frame_base = decode_location_expression (start, | |
b4eb7656 AM |
6392 | pointer_size, |
6393 | offset_size, | |
6394 | dwarf_version, | |
6395 | length, | |
6396 | cu_offset, section); | |
4723351a CC |
6397 | putchar (')'); |
6398 | ||
6399 | if (need_frame_base && !has_frame_base) | |
b4eb7656 | 6400 | printf (_(" [without DW_AT_frame_base]")); |
4723351a | 6401 | |
9f272209 | 6402 | if (begin == end && vbegin == vend) |
b4eb7656 | 6403 | fputs (_(" (start == end)"), stdout); |
9f272209 | 6404 | else if (begin > end || (begin == end && vbegin > vend)) |
b4eb7656 | 6405 | fputs (_(" (start > end)"), stdout); |
4723351a CC |
6406 | |
6407 | putchar ('\n'); | |
6408 | ||
6409 | start += length; | |
6410 | } | |
6411 | ||
6412 | *start_ptr = start; | |
9f272209 | 6413 | *vstart_ptr = vstart; |
4723351a CC |
6414 | } |
6415 | ||
77145576 JK |
6416 | /* Display a location list from a normal (ie, non-dwo) .debug_loclists section. */ |
6417 | ||
6418 | static void | |
6419 | display_loclists_list (struct dwarf_section *section, | |
6420 | unsigned char **start_ptr, | |
6421 | unsigned int debug_info_entry, | |
6422 | dwarf_vma offset, | |
6423 | dwarf_vma base_address, | |
9f272209 | 6424 | unsigned char **vstart_ptr, |
77145576 JK |
6425 | int has_frame_base) |
6426 | { | |
9f272209 | 6427 | unsigned char *start = *start_ptr, *vstart = *vstart_ptr; |
77145576 JK |
6428 | unsigned char *section_end = section->start + section->size; |
6429 | unsigned long cu_offset; | |
6430 | unsigned int pointer_size; | |
6431 | unsigned int offset_size; | |
6432 | int dwarf_version; | |
77145576 | 6433 | |
9dfd0db9 | 6434 | /* Initialize it due to a false compiler warning. */ |
9f272209 AO |
6435 | dwarf_vma begin = -1, vbegin = -1; |
6436 | dwarf_vma end = -1, vend = -1; | |
77145576 JK |
6437 | dwarf_vma length; |
6438 | int need_frame_base; | |
6439 | ||
6440 | if (debug_info_entry >= num_debug_info_entries) | |
6441 | { | |
6442 | warn (_("No debug information available for " | |
6443 | "loclists lists of entry: %u\n"), | |
6444 | debug_info_entry); | |
6445 | return; | |
6446 | } | |
6447 | ||
6448 | cu_offset = debug_information [debug_info_entry].cu_offset; | |
6449 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
6450 | offset_size = debug_information [debug_info_entry].offset_size; | |
6451 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
6452 | ||
6453 | if (pointer_size < 2 || pointer_size > 8) | |
6454 | { | |
6455 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
6456 | pointer_size, debug_info_entry); | |
6457 | return; | |
6458 | } | |
6459 | ||
6460 | while (1) | |
6461 | { | |
6462 | dwarf_vma off = offset + (start - *start_ptr); | |
6463 | enum dwarf_location_list_entry_type llet; | |
6464 | ||
6465 | if (start + 1 > section_end) | |
6466 | { | |
6467 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
6468 | (unsigned long) offset); | |
6469 | break; | |
6470 | } | |
6471 | ||
6472 | printf (" %8.8lx ", (unsigned long) off); | |
6473 | ||
6474 | SAFE_BYTE_GET_AND_INC (llet, start, 1, section_end); | |
6475 | ||
1c9f770d MW |
6476 | if (vstart && (llet == DW_LLE_offset_pair |
6477 | || llet == DW_LLE_start_end | |
6478 | || llet == DW_LLE_start_length)) | |
9f272209 AO |
6479 | { |
6480 | off = offset + (vstart - *start_ptr); | |
6481 | ||
cd30bcef | 6482 | READ_ULEB (vbegin, vstart, section_end); |
9f272209 AO |
6483 | print_dwarf_view (vbegin, pointer_size, 1); |
6484 | ||
cd30bcef | 6485 | READ_ULEB (vend, vstart, section_end); |
9f272209 AO |
6486 | print_dwarf_view (vend, pointer_size, 1); |
6487 | ||
6488 | printf (_("views at %8.8lx for:\n %*s "), | |
6489 | (unsigned long) off, 8, ""); | |
6490 | } | |
6491 | ||
77145576 JK |
6492 | switch (llet) |
6493 | { | |
6494 | case DW_LLE_end_of_list: | |
6495 | printf (_("<End of list>\n")); | |
6496 | break; | |
6497 | case DW_LLE_offset_pair: | |
cd30bcef | 6498 | READ_ULEB (begin, start, section_end); |
1c9f770d | 6499 | begin += base_address; |
cd30bcef | 6500 | READ_ULEB (end, start, section_end); |
1c9f770d MW |
6501 | end += base_address; |
6502 | break; | |
6503 | case DW_LLE_start_end: | |
6504 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end); | |
6505 | SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end); | |
6506 | break; | |
6507 | case DW_LLE_start_length: | |
6508 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end); | |
6509 | READ_ULEB (end, start, section_end); | |
6510 | end += begin; | |
77145576 JK |
6511 | break; |
6512 | case DW_LLE_base_address: | |
6513 | SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, | |
6514 | section_end); | |
6515 | print_dwarf_vma (base_address, pointer_size); | |
6516 | printf (_("(base address)\n")); | |
6517 | break; | |
9f272209 AO |
6518 | #ifdef DW_LLE_view_pair |
6519 | case DW_LLE_view_pair: | |
6520 | if (vstart) | |
6521 | printf (_("View pair entry in loclist with locviews attribute\n")); | |
cd30bcef | 6522 | READ_ULEB (vbegin, start, section_end); |
9f272209 AO |
6523 | print_dwarf_view (vbegin, pointer_size, 1); |
6524 | ||
cd30bcef | 6525 | READ_ULEB (vend, start, section_end); |
9f272209 AO |
6526 | print_dwarf_view (vend, pointer_size, 1); |
6527 | ||
6528 | printf (_("views for:\n")); | |
6529 | continue; | |
6530 | #endif | |
77145576 JK |
6531 | default: |
6532 | error (_("Invalid location list entry type %d\n"), llet); | |
6533 | return; | |
6534 | } | |
6535 | if (llet == DW_LLE_end_of_list) | |
6536 | break; | |
1c9f770d MW |
6537 | if (llet != DW_LLE_offset_pair |
6538 | && llet != DW_LLE_start_end | |
6539 | && llet != DW_LLE_start_length) | |
77145576 JK |
6540 | continue; |
6541 | ||
6542 | if (start + 2 > section_end) | |
6543 | { | |
6544 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
6545 | (unsigned long) offset); | |
6546 | break; | |
6547 | } | |
6548 | ||
cd30bcef | 6549 | READ_ULEB (length, start, section_end); |
77145576 | 6550 | |
1c9f770d MW |
6551 | print_dwarf_vma (begin, pointer_size); |
6552 | print_dwarf_vma (end, pointer_size); | |
77145576 JK |
6553 | |
6554 | putchar ('('); | |
6555 | need_frame_base = decode_location_expression (start, | |
6556 | pointer_size, | |
6557 | offset_size, | |
6558 | dwarf_version, | |
6559 | length, | |
6560 | cu_offset, section); | |
6561 | putchar (')'); | |
6562 | ||
6563 | if (need_frame_base && !has_frame_base) | |
6564 | printf (_(" [without DW_AT_frame_base]")); | |
6565 | ||
9f272209 | 6566 | if (begin == end && vbegin == vend) |
77145576 | 6567 | fputs (_(" (start == end)"), stdout); |
9f272209 | 6568 | else if (begin > end || (begin == end && vbegin > vend)) |
77145576 JK |
6569 | fputs (_(" (start > end)"), stdout); |
6570 | ||
6571 | putchar ('\n'); | |
6572 | ||
6573 | start += length; | |
9f272209 | 6574 | vbegin = vend = -1; |
77145576 JK |
6575 | } |
6576 | ||
9f272209 AO |
6577 | if (vbegin != vm1 || vend != vm1) |
6578 | printf (_("Trailing view pair not used in a range")); | |
6579 | ||
77145576 | 6580 | *start_ptr = start; |
9f272209 | 6581 | *vstart_ptr = vstart; |
77145576 JK |
6582 | } |
6583 | ||
fab128ef CC |
6584 | /* Print a .debug_addr table index in decimal, surrounded by square brackets, |
6585 | right-adjusted in a field of length LEN, and followed by a space. */ | |
6586 | ||
6587 | static void | |
6588 | print_addr_index (unsigned int idx, unsigned int len) | |
6589 | { | |
6590 | static char buf[15]; | |
6591 | snprintf (buf, sizeof (buf), "[%d]", idx); | |
341f9135 | 6592 | printf ("%*s ", len, buf); |
fab128ef CC |
6593 | } |
6594 | ||
4723351a CC |
6595 | /* Display a location list from a .dwo section. It uses address indexes rather |
6596 | than embedded addresses. This code closely follows display_loc_list, but the | |
6597 | two are sufficiently different that combining things is very ugly. */ | |
6598 | ||
6599 | static void | |
6600 | display_loc_list_dwo (struct dwarf_section *section, | |
b4eb7656 AM |
6601 | unsigned char **start_ptr, |
6602 | unsigned int debug_info_entry, | |
359ca075 | 6603 | dwarf_vma offset, |
9f272209 | 6604 | unsigned char **vstart_ptr, |
b4eb7656 | 6605 | int has_frame_base) |
4723351a | 6606 | { |
9f272209 | 6607 | unsigned char *start = *start_ptr, *vstart = *vstart_ptr; |
4723351a | 6608 | unsigned char *section_end = section->start + section->size; |
82b1b41b NC |
6609 | unsigned long cu_offset; |
6610 | unsigned int pointer_size; | |
6611 | unsigned int offset_size; | |
6612 | int dwarf_version; | |
4723351a CC |
6613 | int entry_type; |
6614 | unsigned short length; | |
6615 | int need_frame_base; | |
fab128ef | 6616 | unsigned int idx; |
4723351a | 6617 | |
82b1b41b NC |
6618 | if (debug_info_entry >= num_debug_info_entries) |
6619 | { | |
6620 | warn (_("No debug information for loc lists of entry: %u\n"), | |
6621 | debug_info_entry); | |
6622 | return; | |
6623 | } | |
6624 | ||
6625 | cu_offset = debug_information [debug_info_entry].cu_offset; | |
6626 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
6627 | offset_size = debug_information [debug_info_entry].offset_size; | |
6628 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
6629 | ||
f41e4712 NC |
6630 | if (pointer_size < 2 || pointer_size > 8) |
6631 | { | |
6632 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
6633 | pointer_size, debug_info_entry); | |
6634 | return; | |
6635 | } | |
6636 | ||
4723351a CC |
6637 | while (1) |
6638 | { | |
359ca075 | 6639 | printf (" %8.8lx ", (unsigned long) (offset + (start - *start_ptr))); |
4723351a | 6640 | |
fab128ef | 6641 | if (start >= section_end) |
b4eb7656 AM |
6642 | { |
6643 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 6644 | (unsigned long) offset); |
b4eb7656 AM |
6645 | break; |
6646 | } | |
4723351a | 6647 | |
0c588247 | 6648 | SAFE_BYTE_GET_AND_INC (entry_type, start, 1, section_end); |
9f272209 AO |
6649 | |
6650 | if (vstart) | |
6651 | switch (entry_type) | |
6652 | { | |
6653 | default: | |
6654 | break; | |
6655 | ||
6656 | case 2: | |
6657 | case 3: | |
6658 | case 4: | |
6659 | { | |
6660 | dwarf_vma view; | |
6661 | dwarf_vma off = offset + (vstart - *start_ptr); | |
6662 | ||
cd30bcef | 6663 | READ_ULEB (view, vstart, section_end); |
9f272209 AO |
6664 | print_dwarf_view (view, 8, 1); |
6665 | ||
cd30bcef | 6666 | READ_ULEB (view, vstart, section_end); |
9f272209 AO |
6667 | print_dwarf_view (view, 8, 1); |
6668 | ||
6669 | printf (_("views at %8.8lx for:\n %*s "), | |
6670 | (unsigned long) off, 8, ""); | |
6671 | ||
6672 | } | |
6673 | break; | |
6674 | } | |
6675 | ||
4723351a | 6676 | switch (entry_type) |
b4eb7656 AM |
6677 | { |
6678 | case 0: /* A terminating entry. */ | |
6679 | *start_ptr = start; | |
9f272209 | 6680 | *vstart_ptr = vstart; |
b4eb7656 AM |
6681 | printf (_("<End of list>\n")); |
6682 | return; | |
6683 | case 1: /* A base-address entry. */ | |
cd30bcef | 6684 | READ_ULEB (idx, start, section_end); |
b4eb7656 | 6685 | print_addr_index (idx, 8); |
9f272209 | 6686 | printf ("%*s", 9 + (vstart ? 2 * 6 : 0), ""); |
b4eb7656 AM |
6687 | printf (_("(base address selection entry)\n")); |
6688 | continue; | |
6689 | case 2: /* A start/end entry. */ | |
cd30bcef | 6690 | READ_ULEB (idx, start, section_end); |
b4eb7656 | 6691 | print_addr_index (idx, 8); |
cd30bcef | 6692 | READ_ULEB (idx, start, section_end); |
b4eb7656 AM |
6693 | print_addr_index (idx, 8); |
6694 | break; | |
6695 | case 3: /* A start/length entry. */ | |
cd30bcef | 6696 | READ_ULEB (idx, start, section_end); |
b4eb7656 AM |
6697 | print_addr_index (idx, 8); |
6698 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
6699 | printf ("%08x ", idx); | |
6700 | break; | |
6701 | case 4: /* An offset pair entry. */ | |
6702 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
6703 | printf ("%08x ", idx); | |
6704 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
6705 | printf ("%08x ", idx); | |
6706 | break; | |
6707 | default: | |
6708 | warn (_("Unknown location list entry type 0x%x.\n"), entry_type); | |
6709 | *start_ptr = start; | |
9f272209 | 6710 | *vstart_ptr = vstart; |
b4eb7656 AM |
6711 | return; |
6712 | } | |
4723351a CC |
6713 | |
6714 | if (start + 2 > section_end) | |
b4eb7656 AM |
6715 | { |
6716 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 6717 | (unsigned long) offset); |
b4eb7656 AM |
6718 | break; |
6719 | } | |
4723351a | 6720 | |
0c588247 | 6721 | SAFE_BYTE_GET_AND_INC (length, start, 2, section_end); |
4723351a | 6722 | if (start + length > section_end) |
b4eb7656 AM |
6723 | { |
6724 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 6725 | (unsigned long) offset); |
b4eb7656 AM |
6726 | break; |
6727 | } | |
4723351a CC |
6728 | |
6729 | putchar ('('); | |
6730 | need_frame_base = decode_location_expression (start, | |
b4eb7656 AM |
6731 | pointer_size, |
6732 | offset_size, | |
6733 | dwarf_version, | |
6734 | length, | |
6735 | cu_offset, section); | |
4723351a CC |
6736 | putchar (')'); |
6737 | ||
6738 | if (need_frame_base && !has_frame_base) | |
b4eb7656 | 6739 | printf (_(" [without DW_AT_frame_base]")); |
4723351a CC |
6740 | |
6741 | putchar ('\n'); | |
6742 | ||
6743 | start += length; | |
6744 | } | |
6745 | ||
6746 | *start_ptr = start; | |
9f272209 | 6747 | *vstart_ptr = vstart; |
4723351a CC |
6748 | } |
6749 | ||
9f272209 AO |
6750 | /* Sort array of indexes in ascending order of loc_offsets[idx] and |
6751 | loc_views. */ | |
51d0d03f | 6752 | |
9f272209 | 6753 | static dwarf_vma *loc_offsets, *loc_views; |
51d0d03f JJ |
6754 | |
6755 | static int | |
6756 | loc_offsets_compar (const void *ap, const void *bp) | |
6757 | { | |
6758 | dwarf_vma a = loc_offsets[*(const unsigned int *) ap]; | |
6759 | dwarf_vma b = loc_offsets[*(const unsigned int *) bp]; | |
6760 | ||
9f272209 AO |
6761 | int ret = (a > b) - (b > a); |
6762 | if (ret) | |
6763 | return ret; | |
6764 | ||
6765 | a = loc_views[*(const unsigned int *) ap]; | |
6766 | b = loc_views[*(const unsigned int *) bp]; | |
6767 | ||
6768 | ret = (a > b) - (b > a); | |
6769 | ||
6770 | return ret; | |
51d0d03f JJ |
6771 | } |
6772 | ||
19e6b90e L |
6773 | static int |
6774 | display_debug_loc (struct dwarf_section *section, void *file) | |
6775 | { | |
9f272209 | 6776 | unsigned char *start = section->start, *vstart = NULL; |
19e6b90e L |
6777 | unsigned long bytes; |
6778 | unsigned char *section_begin = start; | |
6779 | unsigned int num_loc_list = 0; | |
6780 | unsigned long last_offset = 0; | |
9f272209 | 6781 | unsigned long last_view = 0; |
19e6b90e L |
6782 | unsigned int first = 0; |
6783 | unsigned int i; | |
6784 | unsigned int j; | |
6785 | int seen_first_offset = 0; | |
51d0d03f | 6786 | int locs_sorted = 1; |
9f272209 | 6787 | unsigned char *next = start, *vnext = vstart; |
51d0d03f | 6788 | unsigned int *array = NULL; |
4723351a | 6789 | const char *suffix = strrchr (section->name, '.'); |
24841daa | 6790 | bfd_boolean is_dwo = FALSE; |
77145576 JK |
6791 | int is_loclists = strstr (section->name, "debug_loclists") != NULL; |
6792 | dwarf_vma expected_start = 0; | |
4723351a CC |
6793 | |
6794 | if (suffix && strcmp (suffix, ".dwo") == 0) | |
24841daa | 6795 | is_dwo = TRUE; |
19e6b90e L |
6796 | |
6797 | bytes = section->size; | |
19e6b90e L |
6798 | |
6799 | if (bytes == 0) | |
6800 | { | |
6801 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6802 | return 0; | |
6803 | } | |
6804 | ||
77145576 JK |
6805 | if (is_loclists) |
6806 | { | |
6807 | unsigned char *hdrptr = section_begin; | |
6808 | dwarf_vma ll_length; | |
6809 | unsigned short ll_version; | |
6810 | unsigned char *end = section_begin + section->size; | |
6811 | unsigned char address_size, segment_selector_size; | |
6812 | uint32_t offset_entry_count; | |
6813 | ||
6814 | SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 4, end); | |
6815 | if (ll_length == 0xffffffff) | |
6816 | SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 8, end); | |
6817 | ||
6818 | SAFE_BYTE_GET_AND_INC (ll_version, hdrptr, 2, end); | |
6819 | if (ll_version != 5) | |
6820 | { | |
6821 | warn (_("The %s section contains corrupt or " | |
6822 | "unsupported version number: %d.\n"), | |
6823 | section->name, ll_version); | |
6824 | return 0; | |
6825 | } | |
6826 | ||
6827 | SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end); | |
6828 | ||
6829 | SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end); | |
6830 | if (segment_selector_size != 0) | |
6831 | { | |
6832 | warn (_("The %s section contains " | |
6833 | "unsupported segment selector size: %d.\n"), | |
6834 | section->name, segment_selector_size); | |
6835 | return 0; | |
6836 | } | |
6837 | ||
6838 | SAFE_BYTE_GET_AND_INC (offset_entry_count, hdrptr, 4, end); | |
6839 | if (offset_entry_count != 0) | |
6840 | { | |
6841 | warn (_("The %s section contains " | |
6842 | "unsupported offset entry count: %d.\n"), | |
6843 | section->name, offset_entry_count); | |
6844 | return 0; | |
6845 | } | |
6846 | ||
6847 | expected_start = hdrptr - section_begin; | |
6848 | } | |
6849 | ||
1febe64d NC |
6850 | if (load_debug_info (file) == 0) |
6851 | { | |
6852 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
6853 | section->name); | |
6854 | return 0; | |
6855 | } | |
19e6b90e L |
6856 | |
6857 | /* Check the order of location list in .debug_info section. If | |
6858 | offsets of location lists are in the ascending order, we can | |
6859 | use `debug_information' directly. */ | |
6860 | for (i = 0; i < num_debug_info_entries; i++) | |
6861 | { | |
6862 | unsigned int num; | |
6863 | ||
6864 | num = debug_information [i].num_loc_offsets; | |
51d0d03f JJ |
6865 | if (num > num_loc_list) |
6866 | num_loc_list = num; | |
19e6b90e L |
6867 | |
6868 | /* Check if we can use `debug_information' directly. */ | |
51d0d03f | 6869 | if (locs_sorted && num != 0) |
19e6b90e L |
6870 | { |
6871 | if (!seen_first_offset) | |
6872 | { | |
6873 | /* This is the first location list. */ | |
6874 | last_offset = debug_information [i].loc_offsets [0]; | |
9f272209 | 6875 | last_view = debug_information [i].loc_views [0]; |
19e6b90e L |
6876 | first = i; |
6877 | seen_first_offset = 1; | |
6878 | j = 1; | |
6879 | } | |
6880 | else | |
6881 | j = 0; | |
6882 | ||
6883 | for (; j < num; j++) | |
6884 | { | |
6885 | if (last_offset > | |
9f272209 AO |
6886 | debug_information [i].loc_offsets [j] |
6887 | || (last_offset == debug_information [i].loc_offsets [j] | |
6888 | && last_view > debug_information [i].loc_views [j])) | |
19e6b90e | 6889 | { |
51d0d03f | 6890 | locs_sorted = 0; |
19e6b90e L |
6891 | break; |
6892 | } | |
6893 | last_offset = debug_information [i].loc_offsets [j]; | |
9f272209 | 6894 | last_view = debug_information [i].loc_views [j]; |
19e6b90e L |
6895 | } |
6896 | } | |
6897 | } | |
6898 | ||
19e6b90e L |
6899 | if (!seen_first_offset) |
6900 | error (_("No location lists in .debug_info section!\n")); | |
6901 | ||
d4bfc77b | 6902 | if (debug_information [first].num_loc_offsets > 0 |
9f272209 AO |
6903 | && debug_information [first].loc_offsets [0] != expected_start |
6904 | && debug_information [first].loc_views [0] != expected_start) | |
47704ddf KT |
6905 | warn (_("Location lists in %s section start at 0x%s\n"), |
6906 | section->name, | |
6907 | dwarf_vmatoa ("x", debug_information [first].loc_offsets [0])); | |
19e6b90e | 6908 | |
51d0d03f JJ |
6909 | if (!locs_sorted) |
6910 | array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int)); | |
dda8d76d NC |
6911 | |
6912 | introduce (section, FALSE); | |
6913 | ||
d1c4b12b NC |
6914 | if (reloc_at (section, 0)) |
6915 | printf (_(" Warning: This section has relocations - addresses seen here may not be accurate.\n\n")); | |
dda8d76d | 6916 | |
d1c4b12b | 6917 | printf (_(" Offset Begin End Expression\n")); |
19e6b90e L |
6918 | |
6919 | seen_first_offset = 0; | |
6920 | for (i = first; i < num_debug_info_entries; i++) | |
6921 | { | |
9f272209 | 6922 | dwarf_vma offset, voffset; |
359ca075 | 6923 | dwarf_vma base_address; |
d1c4b12b | 6924 | unsigned int k; |
19e6b90e L |
6925 | int has_frame_base; |
6926 | ||
51d0d03f JJ |
6927 | if (!locs_sorted) |
6928 | { | |
6929 | for (k = 0; k < debug_information [i].num_loc_offsets; k++) | |
6930 | array[k] = k; | |
6931 | loc_offsets = debug_information [i].loc_offsets; | |
9f272209 | 6932 | loc_views = debug_information [i].loc_views; |
51d0d03f JJ |
6933 | qsort (array, debug_information [i].num_loc_offsets, |
6934 | sizeof (*array), loc_offsets_compar); | |
6935 | } | |
19e6b90e | 6936 | |
9f272209 | 6937 | int adjacent_view_loclists = 1; |
51d0d03f | 6938 | for (k = 0; k < debug_information [i].num_loc_offsets; k++) |
19e6b90e | 6939 | { |
51d0d03f JJ |
6940 | j = locs_sorted ? k : array[k]; |
6941 | if (k | |
9f272209 | 6942 | && (debug_information [i].loc_offsets [locs_sorted |
51d0d03f | 6943 | ? k - 1 : array [k - 1]] |
9f272209 AO |
6944 | == debug_information [i].loc_offsets [j]) |
6945 | && (debug_information [i].loc_views [locs_sorted | |
6946 | ? k - 1 : array [k - 1]] | |
6947 | == debug_information [i].loc_views [j])) | |
51d0d03f | 6948 | continue; |
19e6b90e | 6949 | has_frame_base = debug_information [i].have_frame_base [j]; |
d493b283 | 6950 | offset = debug_information [i].loc_offsets [j]; |
19e6b90e | 6951 | next = section_begin + offset; |
9f272209 AO |
6952 | voffset = debug_information [i].loc_views [j]; |
6953 | if (voffset != vm1) | |
6954 | vnext = section_begin + voffset; | |
6955 | else | |
6956 | vnext = NULL; | |
19e6b90e L |
6957 | base_address = debug_information [i].base_address; |
6958 | ||
9f272209 AO |
6959 | if (vnext && vnext < next) |
6960 | { | |
6961 | vstart = vnext; | |
6962 | display_view_pair_list (section, &vstart, i, next); | |
6963 | if (start == vnext) | |
6964 | start = vstart; | |
6965 | } | |
6966 | ||
6967 | if (!seen_first_offset || !adjacent_view_loclists) | |
19e6b90e L |
6968 | seen_first_offset = 1; |
6969 | else | |
6970 | { | |
6971 | if (start < next) | |
6972 | warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e | 6973 | (unsigned long) (start - section_begin), |
c8071705 | 6974 | (unsigned long) offset); |
19e6b90e L |
6975 | else if (start > next) |
6976 | warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e | 6977 | (unsigned long) (start - section_begin), |
c8071705 | 6978 | (unsigned long) offset); |
19e6b90e L |
6979 | } |
6980 | start = next; | |
9f272209 | 6981 | vstart = vnext; |
19e6b90e L |
6982 | |
6983 | if (offset >= bytes) | |
6984 | { | |
6985 | warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"), | |
359ca075 | 6986 | (unsigned long) offset); |
19e6b90e L |
6987 | continue; |
6988 | } | |
6989 | ||
9f272209 AO |
6990 | if (vnext && voffset >= bytes) |
6991 | { | |
6992 | warn (_("View Offset 0x%lx is bigger than .debug_loc section size.\n"), | |
6993 | (unsigned long) voffset); | |
6994 | continue; | |
6995 | } | |
6996 | ||
77145576 JK |
6997 | if (!is_loclists) |
6998 | { | |
6999 | if (is_dwo) | |
7000 | display_loc_list_dwo (section, &start, i, offset, | |
9f272209 | 7001 | &vstart, has_frame_base); |
77145576 JK |
7002 | else |
7003 | display_loc_list (section, &start, i, offset, base_address, | |
9f272209 | 7004 | &vstart, has_frame_base); |
77145576 | 7005 | } |
b4eb7656 | 7006 | else |
77145576 JK |
7007 | { |
7008 | if (is_dwo) | |
7009 | warn (_("DWO is not yet supported.\n")); | |
7010 | else | |
7011 | display_loclists_list (section, &start, i, offset, base_address, | |
9f272209 AO |
7012 | &vstart, has_frame_base); |
7013 | } | |
7014 | ||
7015 | /* FIXME: this arrangement is quite simplistic. Nothing | |
7016 | requires locview lists to be adjacent to corresponding | |
7017 | loclists, and a single loclist could be augmented by | |
7018 | different locview lists, and vice-versa, unlikely as it | |
7019 | is that it would make sense to do so. Hopefully we'll | |
7020 | have view pair support built into loclists before we ever | |
7021 | need to address all these possibilities. */ | |
7022 | if (adjacent_view_loclists && vnext | |
7023 | && vnext != start && vstart != next) | |
7024 | { | |
7025 | adjacent_view_loclists = 0; | |
7026 | warn (_("Hole and overlap detection requires adjacent view lists and loclists.\n")); | |
77145576 | 7027 | } |
9f272209 AO |
7028 | |
7029 | if (vnext && vnext == start) | |
7030 | display_view_pair_list (section, &start, i, vstart); | |
19e6b90e L |
7031 | } |
7032 | } | |
031cd65f | 7033 | |
4723351a | 7034 | if (start < section->start + section->size) |
d3a49aa8 AM |
7035 | warn (ngettext ("There is %ld unused byte at the end of section %s\n", |
7036 | "There are %ld unused bytes at the end of section %s\n", | |
7037 | (long) (section->start + section->size - start)), | |
4723351a | 7038 | (long) (section->start + section->size - start), section->name); |
98fb390a | 7039 | putchar ('\n'); |
51d0d03f | 7040 | free (array); |
19e6b90e L |
7041 | return 1; |
7042 | } | |
7043 | ||
7044 | static int | |
7045 | display_debug_str (struct dwarf_section *section, | |
7046 | void *file ATTRIBUTE_UNUSED) | |
7047 | { | |
7048 | unsigned char *start = section->start; | |
7049 | unsigned long bytes = section->size; | |
7050 | dwarf_vma addr = section->address; | |
7051 | ||
7052 | if (bytes == 0) | |
7053 | { | |
7054 | printf (_("\nThe %s section is empty.\n"), section->name); | |
7055 | return 0; | |
7056 | } | |
7057 | ||
dda8d76d | 7058 | introduce (section, FALSE); |
19e6b90e L |
7059 | |
7060 | while (bytes) | |
7061 | { | |
7062 | int j; | |
7063 | int k; | |
7064 | int lbytes; | |
7065 | ||
7066 | lbytes = (bytes > 16 ? 16 : bytes); | |
7067 | ||
7068 | printf (" 0x%8.8lx ", (unsigned long) addr); | |
7069 | ||
7070 | for (j = 0; j < 16; j++) | |
7071 | { | |
7072 | if (j < lbytes) | |
7073 | printf ("%2.2x", start[j]); | |
7074 | else | |
7075 | printf (" "); | |
7076 | ||
7077 | if ((j & 3) == 3) | |
7078 | printf (" "); | |
7079 | } | |
7080 | ||
7081 | for (j = 0; j < lbytes; j++) | |
7082 | { | |
7083 | k = start[j]; | |
7084 | if (k >= ' ' && k < 0x80) | |
7085 | printf ("%c", k); | |
7086 | else | |
7087 | printf ("."); | |
7088 | } | |
7089 | ||
7090 | putchar ('\n'); | |
7091 | ||
7092 | start += lbytes; | |
7093 | addr += lbytes; | |
7094 | bytes -= lbytes; | |
7095 | } | |
7096 | ||
7097 | putchar ('\n'); | |
7098 | ||
7099 | return 1; | |
7100 | } | |
7101 | ||
19e6b90e L |
7102 | static int |
7103 | display_debug_info (struct dwarf_section *section, void *file) | |
7104 | { | |
d85bf2ba | 7105 | return process_debug_info (section, file, section->abbrev_sec, FALSE, FALSE); |
19e6b90e L |
7106 | } |
7107 | ||
2b6f5997 CC |
7108 | static int |
7109 | display_debug_types (struct dwarf_section *section, void *file) | |
7110 | { | |
d85bf2ba | 7111 | return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE); |
6f875884 TG |
7112 | } |
7113 | ||
7114 | static int | |
7115 | display_trace_info (struct dwarf_section *section, void *file) | |
7116 | { | |
d85bf2ba | 7117 | return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE); |
2b6f5997 | 7118 | } |
19e6b90e L |
7119 | |
7120 | static int | |
7121 | display_debug_aranges (struct dwarf_section *section, | |
7122 | void *file ATTRIBUTE_UNUSED) | |
7123 | { | |
7124 | unsigned char *start = section->start; | |
7125 | unsigned char *end = start + section->size; | |
7126 | ||
dda8d76d | 7127 | introduce (section, FALSE); |
19e6b90e | 7128 | |
6e3d6dc1 NC |
7129 | /* It does not matter if this load fails, |
7130 | we test for that later on. */ | |
7131 | load_debug_info (file); | |
7132 | ||
19e6b90e L |
7133 | while (start < end) |
7134 | { | |
7135 | unsigned char *hdrptr; | |
7136 | DWARF2_Internal_ARange arange; | |
91d6fa6a | 7137 | unsigned char *addr_ranges; |
2d9472a2 NC |
7138 | dwarf_vma length; |
7139 | dwarf_vma address; | |
e98fdf1a | 7140 | unsigned long sec_off; |
53b8873b | 7141 | unsigned char address_size; |
19e6b90e | 7142 | int excess; |
bf5117e3 NC |
7143 | unsigned int offset_size; |
7144 | unsigned int initial_length_size; | |
19e6b90e L |
7145 | |
7146 | hdrptr = start; | |
7147 | ||
0c588247 | 7148 | SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 4, end); |
19e6b90e L |
7149 | if (arange.ar_length == 0xffffffff) |
7150 | { | |
0c588247 | 7151 | SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 8, end); |
19e6b90e L |
7152 | offset_size = 8; |
7153 | initial_length_size = 12; | |
7154 | } | |
7155 | else | |
7156 | { | |
7157 | offset_size = 4; | |
7158 | initial_length_size = 4; | |
7159 | } | |
7160 | ||
e98fdf1a AM |
7161 | sec_off = hdrptr - section->start; |
7162 | if (sec_off + arange.ar_length < sec_off | |
7163 | || sec_off + arange.ar_length > section->size) | |
7164 | { | |
7165 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), | |
7166 | section->name, | |
7167 | sec_off - initial_length_size, | |
7168 | dwarf_vmatoa ("x", arange.ar_length)); | |
7169 | break; | |
7170 | } | |
7171 | ||
0c588247 NC |
7172 | SAFE_BYTE_GET_AND_INC (arange.ar_version, hdrptr, 2, end); |
7173 | SAFE_BYTE_GET_AND_INC (arange.ar_info_offset, hdrptr, offset_size, end); | |
19e6b90e | 7174 | |
6e3d6dc1 NC |
7175 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE |
7176 | && num_debug_info_entries > 0 | |
7177 | && find_debug_info_for_offset (arange.ar_info_offset) == NULL) | |
7178 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), | |
47704ddf | 7179 | (unsigned long) arange.ar_info_offset, section->name); |
6e3d6dc1 | 7180 | |
0c588247 NC |
7181 | SAFE_BYTE_GET_AND_INC (arange.ar_pointer_size, hdrptr, 1, end); |
7182 | SAFE_BYTE_GET_AND_INC (arange.ar_segment_size, hdrptr, 1, end); | |
19e6b90e L |
7183 | |
7184 | if (arange.ar_version != 2 && arange.ar_version != 3) | |
7185 | { | |
67f101ee NC |
7186 | /* PR 19872: A version number of 0 probably means that there is |
7187 | padding at the end of the .debug_aranges section. Gold puts | |
7188 | it there when performing an incremental link, for example. | |
7189 | So do not generate a warning in this case. */ | |
7190 | if (arange.ar_version) | |
7191 | warn (_("Only DWARF 2 and 3 aranges are currently supported.\n")); | |
19e6b90e L |
7192 | break; |
7193 | } | |
7194 | ||
47704ddf KT |
7195 | printf (_(" Length: %ld\n"), |
7196 | (long) arange.ar_length); | |
19e6b90e | 7197 | printf (_(" Version: %d\n"), arange.ar_version); |
47704ddf KT |
7198 | printf (_(" Offset into .debug_info: 0x%lx\n"), |
7199 | (unsigned long) arange.ar_info_offset); | |
19e6b90e L |
7200 | printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size); |
7201 | printf (_(" Segment Size: %d\n"), arange.ar_segment_size); | |
7202 | ||
53b8873b NC |
7203 | address_size = arange.ar_pointer_size + arange.ar_segment_size; |
7204 | ||
f41e4712 NC |
7205 | /* PR 17512: file: 001-108546-0.001:0.1. */ |
7206 | if (address_size == 0 || address_size > 8) | |
b3681d67 L |
7207 | { |
7208 | error (_("Invalid address size in %s section!\n"), | |
7209 | section->name); | |
7210 | break; | |
7211 | } | |
7212 | ||
53b8873b NC |
7213 | /* The DWARF spec does not require that the address size be a power |
7214 | of two, but we do. This will have to change if we ever encounter | |
7215 | an uneven architecture. */ | |
7216 | if ((address_size & (address_size - 1)) != 0) | |
7217 | { | |
7218 | warn (_("Pointer size + Segment size is not a power of two.\n")); | |
7219 | break; | |
7220 | } | |
cecf136e | 7221 | |
209c9a13 NC |
7222 | if (address_size > 4) |
7223 | printf (_("\n Address Length\n")); | |
7224 | else | |
7225 | printf (_("\n Address Length\n")); | |
19e6b90e | 7226 | |
91d6fa6a | 7227 | addr_ranges = hdrptr; |
19e6b90e | 7228 | |
53b8873b NC |
7229 | /* Must pad to an alignment boundary that is twice the address size. */ |
7230 | excess = (hdrptr - start) % (2 * address_size); | |
19e6b90e | 7231 | if (excess) |
91d6fa6a | 7232 | addr_ranges += (2 * address_size) - excess; |
19e6b90e | 7233 | |
e98fdf1a | 7234 | start += arange.ar_length + initial_length_size; |
1617e571 | 7235 | |
91d6fa6a | 7236 | while (addr_ranges + 2 * address_size <= start) |
19e6b90e | 7237 | { |
0c588247 NC |
7238 | SAFE_BYTE_GET_AND_INC (address, addr_ranges, address_size, end); |
7239 | SAFE_BYTE_GET_AND_INC (length, addr_ranges, address_size, end); | |
19e6b90e | 7240 | |
80c35038 | 7241 | printf (" "); |
2d9472a2 NC |
7242 | print_dwarf_vma (address, address_size); |
7243 | print_dwarf_vma (length, address_size); | |
7244 | putchar ('\n'); | |
19e6b90e | 7245 | } |
19e6b90e L |
7246 | } |
7247 | ||
7248 | printf ("\n"); | |
7249 | ||
7250 | return 1; | |
7251 | } | |
7252 | ||
4723351a CC |
7253 | /* Comparison function for qsort. */ |
7254 | static int | |
7255 | comp_addr_base (const void * v0, const void * v1) | |
7256 | { | |
d367307b AM |
7257 | debug_info *info0 = *(debug_info **) v0; |
7258 | debug_info *info1 = *(debug_info **) v1; | |
4723351a CC |
7259 | return info0->addr_base - info1->addr_base; |
7260 | } | |
7261 | ||
7262 | /* Display the debug_addr section. */ | |
7263 | static int | |
7264 | display_debug_addr (struct dwarf_section *section, | |
b4eb7656 | 7265 | void *file) |
4723351a CC |
7266 | { |
7267 | debug_info **debug_addr_info; | |
7268 | unsigned char *entry; | |
7269 | unsigned char *end; | |
7270 | unsigned int i; | |
7271 | unsigned int count; | |
7272 | ||
7273 | if (section->size == 0) | |
7274 | { | |
7275 | printf (_("\nThe %s section is empty.\n"), section->name); | |
7276 | return 0; | |
7277 | } | |
7278 | ||
7279 | if (load_debug_info (file) == 0) | |
7280 | { | |
7281 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
7282 | section->name); | |
7283 | return 0; | |
7284 | } | |
7285 | ||
dda8d76d | 7286 | introduce (section, FALSE); |
4723351a | 7287 | |
1306a742 NC |
7288 | /* PR 17531: file: cf38d01b. |
7289 | We use xcalloc because a corrupt file may not have initialised all of the | |
7290 | fields in the debug_info structure, which means that the sort below might | |
7291 | try to move uninitialised data. */ | |
7292 | debug_addr_info = (debug_info **) xcalloc ((num_debug_info_entries + 1), | |
b4eb7656 | 7293 | sizeof (debug_info *)); |
4723351a CC |
7294 | |
7295 | count = 0; | |
7296 | for (i = 0; i < num_debug_info_entries; i++) | |
82b1b41b | 7297 | if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE) |
1306a742 NC |
7298 | { |
7299 | /* PR 17531: file: cf38d01b. */ | |
7300 | if (debug_information[i].addr_base >= section->size) | |
7301 | warn (_("Corrupt address base (%lx) found in debug section %u\n"), | |
7302 | (unsigned long) debug_information[i].addr_base, i); | |
7303 | else | |
7304 | debug_addr_info [count++] = debug_information + i; | |
7305 | } | |
4723351a CC |
7306 | |
7307 | /* Add a sentinel to make iteration convenient. */ | |
7308 | debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info)); | |
7309 | debug_addr_info [count]->addr_base = section->size; | |
4723351a | 7310 | qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base); |
1306a742 | 7311 | |
4723351a CC |
7312 | for (i = 0; i < count; i++) |
7313 | { | |
7314 | unsigned int idx; | |
fab128ef | 7315 | unsigned int address_size = debug_addr_info [i]->pointer_size; |
4723351a CC |
7316 | |
7317 | printf (_(" For compilation unit at offset 0x%s:\n"), | |
b4eb7656 | 7318 | dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset)); |
4723351a | 7319 | |
fab128ef | 7320 | printf (_("\tIndex\tAddress\n")); |
4723351a CC |
7321 | entry = section->start + debug_addr_info [i]->addr_base; |
7322 | end = section->start + debug_addr_info [i + 1]->addr_base; | |
7323 | idx = 0; | |
7324 | while (entry < end) | |
b4eb7656 AM |
7325 | { |
7326 | dwarf_vma base = byte_get (entry, address_size); | |
7327 | printf (_("\t%d:\t"), idx); | |
7328 | print_dwarf_vma (base, address_size); | |
7329 | printf ("\n"); | |
7330 | entry += address_size; | |
7331 | idx++; | |
7332 | } | |
4723351a CC |
7333 | } |
7334 | printf ("\n"); | |
7335 | ||
7336 | free (debug_addr_info); | |
7337 | return 1; | |
7338 | } | |
7339 | ||
7340 | /* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */ | |
24841daa | 7341 | |
4723351a CC |
7342 | static int |
7343 | display_debug_str_offsets (struct dwarf_section *section, | |
b4eb7656 | 7344 | void *file ATTRIBUTE_UNUSED) |
4723351a | 7345 | { |
9f27c364 HPN |
7346 | unsigned long idx; |
7347 | ||
4723351a CC |
7348 | if (section->size == 0) |
7349 | { | |
7350 | printf (_("\nThe %s section is empty.\n"), section->name); | |
7351 | return 0; | |
7352 | } | |
e4b7104b NC |
7353 | |
7354 | unsigned char *start = section->start; | |
7355 | unsigned char *end = start + section->size; | |
7356 | unsigned char *curr = start; | |
7357 | ||
39f381cb NC |
7358 | const char * suffix = strrchr (section->name, '.'); |
7359 | bfd_boolean dwo = (suffix && strcmp (suffix, ".dwo") == 0) ? TRUE : FALSE; | |
7360 | ||
7361 | if (dwo) | |
7362 | load_debug_section_with_follow (str_dwo, file); | |
7363 | else | |
7364 | load_debug_section_with_follow (str, file); | |
e4b7104b NC |
7365 | |
7366 | introduce (section, FALSE); | |
7367 | ||
7368 | while (curr < end) | |
7369 | { | |
7370 | dwarf_vma length; | |
7371 | dwarf_vma entry_length; | |
7372 | ||
7373 | SAFE_BYTE_GET_AND_INC (length, curr, 4, end); | |
7374 | /* FIXME: We assume that this means 64-bit DWARF is being used. */ | |
7375 | if (length == 0xffffffff) | |
7376 | { | |
7377 | SAFE_BYTE_GET (length, curr, 8, end); | |
7378 | entry_length = 8; | |
7379 | } | |
7380 | else | |
7381 | entry_length = 4; | |
7382 | ||
95abb394 | 7383 | unsigned char *entries_end; |
39f381cb NC |
7384 | if (length == 0) |
7385 | { | |
7386 | /* This is probably an old style .debug_str_offset section which | |
7387 | just contains offsets and no header (and the first offset is 0). */ | |
7388 | length = section->size; | |
7389 | curr = section->start; | |
95abb394 | 7390 | entries_end = end; |
e4b7104b | 7391 | |
39f381cb NC |
7392 | printf (_(" Length: %#lx\n"), (unsigned long) length); |
7393 | printf (_(" Index Offset [String]\n")); | |
7394 | } | |
7395 | else | |
7396 | { | |
95abb394 TV |
7397 | entries_end = curr + length; |
7398 | ||
39f381cb NC |
7399 | int version; |
7400 | SAFE_BYTE_GET_AND_INC (version, curr, 2, end); | |
7401 | if (version != 5) | |
7402 | warn (_("Unexpected version number in str_offset header: %#x\n"), version); | |
7403 | ||
7404 | int padding; | |
7405 | SAFE_BYTE_GET_AND_INC (padding, curr, 2, end); | |
7406 | if (padding != 0) | |
7407 | warn (_("Unexpected value in str_offset header's padding field: %#x\n"), padding); | |
7408 | ||
7409 | printf (_(" Length: %#lx\n"), (unsigned long) length); | |
7410 | printf (_(" Version: %#lx\n"), (unsigned long) version); | |
7411 | printf (_(" Index Offset [String]\n")); | |
7412 | } | |
e4b7104b | 7413 | |
95abb394 | 7414 | for (idx = 0; curr < entries_end; idx++) |
e4b7104b NC |
7415 | { |
7416 | dwarf_vma offset; | |
7417 | const unsigned char * string; | |
7418 | ||
95abb394 TV |
7419 | if (curr + entry_length > entries_end) |
7420 | /* Not enough space to read one entry_length, give up. */ | |
7421 | return 0; | |
7422 | ||
e4b7104b | 7423 | SAFE_BYTE_GET_AND_INC (offset, curr, entry_length, end); |
39f381cb NC |
7424 | if (dwo) |
7425 | string = (const unsigned char *) | |
9f27c364 | 7426 | fetch_indexed_string (idx, NULL, entry_length, dwo); |
39f381cb NC |
7427 | else |
7428 | string = fetch_indirect_string (offset); | |
7429 | ||
9f27c364 | 7430 | printf (" %8lu %8s %s\n", idx, dwarf_vmatoa ("x", offset), |
e4b7104b NC |
7431 | string); |
7432 | } | |
7433 | } | |
39f381cb | 7434 | |
4723351a CC |
7435 | return 1; |
7436 | } | |
7437 | ||
01a8f077 JK |
7438 | /* Each debug_information[x].range_lists[y] gets this representation for |
7439 | sorting purposes. */ | |
7440 | ||
7441 | struct range_entry | |
467c65bc NC |
7442 | { |
7443 | /* The debug_information[x].range_lists[y] value. */ | |
359ca075 | 7444 | dwarf_vma ranges_offset; |
01a8f077 | 7445 | |
467c65bc NC |
7446 | /* Original debug_information to find parameters of the data. */ |
7447 | debug_info *debug_info_p; | |
7448 | }; | |
01a8f077 JK |
7449 | |
7450 | /* Sort struct range_entry in ascending order of its RANGES_OFFSET. */ | |
7451 | ||
7452 | static int | |
7453 | range_entry_compar (const void *ap, const void *bp) | |
7454 | { | |
3f5e193b NC |
7455 | const struct range_entry *a_re = (const struct range_entry *) ap; |
7456 | const struct range_entry *b_re = (const struct range_entry *) bp; | |
359ca075 JK |
7457 | const dwarf_vma a = a_re->ranges_offset; |
7458 | const dwarf_vma b = b_re->ranges_offset; | |
01a8f077 JK |
7459 | |
7460 | return (a > b) - (b > a); | |
7461 | } | |
7462 | ||
77145576 JK |
7463 | static void |
7464 | display_debug_ranges_list (unsigned char *start, unsigned char *finish, | |
7465 | unsigned int pointer_size, unsigned long offset, | |
7466 | unsigned long base_address) | |
7467 | { | |
7468 | while (start < finish) | |
7469 | { | |
7470 | dwarf_vma begin; | |
7471 | dwarf_vma end; | |
7472 | ||
7473 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
7474 | if (start >= finish) | |
7475 | break; | |
7476 | SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish); | |
7477 | ||
7478 | printf (" %8.8lx ", offset); | |
7479 | ||
7480 | if (begin == 0 && end == 0) | |
7481 | { | |
7482 | printf (_("<End of list>\n")); | |
7483 | break; | |
7484 | } | |
7485 | ||
7486 | /* Check base address specifiers. */ | |
7487 | if (is_max_address (begin, pointer_size) | |
7488 | && !is_max_address (end, pointer_size)) | |
7489 | { | |
7490 | base_address = end; | |
7491 | print_dwarf_vma (begin, pointer_size); | |
7492 | print_dwarf_vma (end, pointer_size); | |
7493 | printf ("(base address)\n"); | |
7494 | continue; | |
7495 | } | |
7496 | ||
7497 | print_dwarf_vma (begin + base_address, pointer_size); | |
7498 | print_dwarf_vma (end + base_address, pointer_size); | |
7499 | ||
7500 | if (begin == end) | |
7501 | fputs (_("(start == end)"), stdout); | |
7502 | else if (begin > end) | |
7503 | fputs (_("(start > end)"), stdout); | |
7504 | ||
7505 | putchar ('\n'); | |
7506 | } | |
7507 | } | |
7508 | ||
7509 | static void | |
7510 | display_debug_rnglists_list (unsigned char *start, unsigned char *finish, | |
7511 | unsigned int pointer_size, unsigned long offset, | |
7512 | unsigned long base_address) | |
7513 | { | |
7514 | unsigned char *next = start; | |
7515 | ||
7516 | while (1) | |
7517 | { | |
7518 | unsigned long off = offset + (start - next); | |
7519 | enum dwarf_range_list_entry rlet; | |
9dfd0db9 JK |
7520 | /* Initialize it due to a false compiler warning. */ |
7521 | dwarf_vma begin = -1, length, end = -1; | |
77145576 JK |
7522 | |
7523 | if (start + 1 > finish) | |
7524 | { | |
7525 | warn (_("Range list starting at offset 0x%lx is not terminated.\n"), | |
7526 | offset); | |
7527 | break; | |
7528 | } | |
7529 | ||
7530 | printf (" %8.8lx ", off); | |
7531 | ||
7532 | SAFE_BYTE_GET_AND_INC (rlet, start, 1, finish); | |
7533 | ||
7534 | switch (rlet) | |
7535 | { | |
7536 | case DW_RLE_end_of_list: | |
7537 | printf (_("<End of list>\n")); | |
7538 | break; | |
7539 | case DW_RLE_base_address: | |
7540 | SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, finish); | |
7541 | print_dwarf_vma (base_address, pointer_size); | |
7542 | printf (_("(base address)\n")); | |
7543 | break; | |
7544 | case DW_RLE_start_length: | |
7545 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
cd30bcef | 7546 | READ_ULEB (length, start, finish); |
77145576 JK |
7547 | end = begin + length; |
7548 | break; | |
7549 | case DW_RLE_offset_pair: | |
cd30bcef AM |
7550 | READ_ULEB (begin, start, finish); |
7551 | READ_ULEB (end, start, finish); | |
77145576 JK |
7552 | break; |
7553 | case DW_RLE_start_end: | |
7554 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
7555 | SAFE_BYTE_GET_AND_INC (end, start, pointer_size, finish); | |
7556 | break; | |
7557 | default: | |
7558 | error (_("Invalid range list entry type %d\n"), rlet); | |
7559 | rlet = DW_RLE_end_of_list; | |
7560 | break; | |
7561 | } | |
7562 | if (rlet == DW_RLE_end_of_list) | |
7563 | break; | |
7564 | if (rlet == DW_RLE_base_address) | |
7565 | continue; | |
7566 | ||
4d932715 BE |
7567 | /* Only a DW_RLE_offset_pair needs the base address added. */ |
7568 | if (rlet == DW_RLE_offset_pair) | |
7569 | { | |
7570 | begin += base_address; | |
7571 | end += base_address; | |
7572 | } | |
7573 | ||
7574 | print_dwarf_vma (begin, pointer_size); | |
7575 | print_dwarf_vma (end, pointer_size); | |
77145576 JK |
7576 | |
7577 | if (begin == end) | |
7578 | fputs (_("(start == end)"), stdout); | |
7579 | else if (begin > end) | |
7580 | fputs (_("(start > end)"), stdout); | |
7581 | ||
7582 | putchar ('\n'); | |
7583 | } | |
7584 | } | |
7585 | ||
19e6b90e L |
7586 | static int |
7587 | display_debug_ranges (struct dwarf_section *section, | |
7588 | void *file ATTRIBUTE_UNUSED) | |
7589 | { | |
7590 | unsigned char *start = section->start; | |
a2ff7a4b | 7591 | unsigned char *last_start = start; |
f6f0e17b | 7592 | unsigned long bytes = section->size; |
19e6b90e | 7593 | unsigned char *section_begin = start; |
f6f0e17b | 7594 | unsigned char *finish = start + bytes; |
01a8f077 JK |
7595 | unsigned int num_range_list, i; |
7596 | struct range_entry *range_entries, *range_entry_fill; | |
77145576 JK |
7597 | int is_rnglists = strstr (section->name, "debug_rnglists") != NULL; |
7598 | /* Initialize it due to a false compiler warning. */ | |
7599 | unsigned char address_size = 0; | |
cb4c35cf | 7600 | dwarf_vma last_offset = 0; |
19e6b90e | 7601 | |
19e6b90e L |
7602 | if (bytes == 0) |
7603 | { | |
7604 | printf (_("\nThe %s section is empty.\n"), section->name); | |
7605 | return 0; | |
7606 | } | |
7607 | ||
77145576 JK |
7608 | if (is_rnglists) |
7609 | { | |
7610 | dwarf_vma initial_length; | |
7611 | unsigned int initial_length_size; | |
7612 | unsigned char segment_selector_size; | |
7613 | unsigned int offset_size, offset_entry_count; | |
7614 | unsigned short version; | |
7615 | ||
7616 | /* Get and check the length of the block. */ | |
7617 | SAFE_BYTE_GET_AND_INC (initial_length, start, 4, finish); | |
7618 | ||
7619 | if (initial_length == 0xffffffff) | |
7620 | { | |
7621 | /* This section is 64-bit DWARF 3. */ | |
7622 | SAFE_BYTE_GET_AND_INC (initial_length, start, 8, finish); | |
7623 | offset_size = 8; | |
7624 | initial_length_size = 12; | |
7625 | } | |
7626 | else | |
7627 | { | |
7628 | offset_size = 4; | |
7629 | initial_length_size = 4; | |
7630 | } | |
7631 | ||
7632 | if (initial_length + initial_length_size > section->size) | |
7633 | { | |
7634 | /* If the length field has a relocation against it, then we should | |
7635 | not complain if it is inaccurate (and probably negative). | |
7636 | It is copied from .debug_line handling code. */ | |
7637 | if (reloc_at (section, (start - section->start) - offset_size)) | |
7638 | { | |
7639 | initial_length = (finish - start) - initial_length_size; | |
7640 | } | |
7641 | else | |
7642 | { | |
7643 | warn (_("The length field (0x%lx) in the debug_rnglists header is wrong - the section is too small\n"), | |
7644 | (long) initial_length); | |
7645 | return 0; | |
7646 | } | |
7647 | } | |
7648 | ||
7649 | /* Get and check the version number. */ | |
7650 | SAFE_BYTE_GET_AND_INC (version, start, 2, finish); | |
7651 | ||
7652 | if (version != 5) | |
7653 | { | |
7654 | warn (_("Only DWARF version 5 debug_rnglists info " | |
7655 | "is currently supported.\n")); | |
7656 | return 0; | |
7657 | } | |
7658 | ||
7659 | SAFE_BYTE_GET_AND_INC (address_size, start, 1, finish); | |
7660 | ||
7661 | SAFE_BYTE_GET_AND_INC (segment_selector_size, start, 1, finish); | |
7662 | if (segment_selector_size != 0) | |
7663 | { | |
7664 | warn (_("The %s section contains " | |
7665 | "unsupported segment selector size: %d.\n"), | |
7666 | section->name, segment_selector_size); | |
7667 | return 0; | |
7668 | } | |
7669 | ||
7670 | SAFE_BYTE_GET_AND_INC (offset_entry_count, start, 4, finish); | |
7671 | if (offset_entry_count != 0) | |
7672 | { | |
7673 | warn (_("The %s section contains " | |
7674 | "unsupported offset entry count: %u.\n"), | |
7675 | section->name, offset_entry_count); | |
7676 | return 0; | |
7677 | } | |
7678 | } | |
7679 | ||
1febe64d NC |
7680 | if (load_debug_info (file) == 0) |
7681 | { | |
7682 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
7683 | section->name); | |
7684 | return 0; | |
7685 | } | |
19e6b90e | 7686 | |
01a8f077 | 7687 | num_range_list = 0; |
19e6b90e | 7688 | for (i = 0; i < num_debug_info_entries; i++) |
52ff20fe TV |
7689 | { |
7690 | if (debug_information [i].dwarf_version < 5 && is_rnglists) | |
7691 | /* Skip .debug_rnglists reference. */ | |
7692 | continue; | |
7693 | if (debug_information [i].dwarf_version >= 5 && !is_rnglists) | |
7694 | /* Skip .debug_range reference. */ | |
7695 | continue; | |
7696 | num_range_list += debug_information [i].num_range_lists; | |
7697 | } | |
19e6b90e | 7698 | |
01a8f077 | 7699 | if (num_range_list == 0) |
4723351a CC |
7700 | { |
7701 | /* This can happen when the file was compiled with -gsplit-debug | |
b4eb7656 | 7702 | which removes references to range lists from the primary .o file. */ |
4723351a CC |
7703 | printf (_("No range lists in .debug_info section.\n")); |
7704 | return 1; | |
7705 | } | |
19e6b90e | 7706 | |
3f5e193b NC |
7707 | range_entries = (struct range_entry *) |
7708 | xmalloc (sizeof (*range_entries) * num_range_list); | |
01a8f077 | 7709 | range_entry_fill = range_entries; |
19e6b90e | 7710 | |
01a8f077 JK |
7711 | for (i = 0; i < num_debug_info_entries; i++) |
7712 | { | |
7713 | debug_info *debug_info_p = &debug_information[i]; | |
7714 | unsigned int j; | |
7715 | ||
52ff20fe TV |
7716 | if (debug_information [i].dwarf_version < 5 && is_rnglists) |
7717 | /* Skip .debug_rnglists reference. */ | |
7718 | continue; | |
7719 | if (debug_information [i].dwarf_version >= 5 && !is_rnglists) | |
7720 | /* Skip .debug_range reference. */ | |
7721 | continue; | |
7722 | ||
01a8f077 JK |
7723 | for (j = 0; j < debug_info_p->num_range_lists; j++) |
7724 | { | |
7725 | range_entry_fill->ranges_offset = debug_info_p->range_lists[j]; | |
7726 | range_entry_fill->debug_info_p = debug_info_p; | |
7727 | range_entry_fill++; | |
19e6b90e L |
7728 | } |
7729 | } | |
7730 | ||
01a8f077 JK |
7731 | qsort (range_entries, num_range_list, sizeof (*range_entries), |
7732 | range_entry_compar); | |
19e6b90e | 7733 | |
d493b283 | 7734 | if (dwarf_check != 0 && range_entries[0].ranges_offset != 0) |
19e6b90e | 7735 | warn (_("Range lists in %s section start at 0x%lx\n"), |
359ca075 | 7736 | section->name, (unsigned long) range_entries[0].ranges_offset); |
19e6b90e | 7737 | |
dda8d76d NC |
7738 | introduce (section, FALSE); |
7739 | ||
19e6b90e L |
7740 | printf (_(" Offset Begin End\n")); |
7741 | ||
01a8f077 | 7742 | for (i = 0; i < num_range_list; i++) |
19e6b90e | 7743 | { |
01a8f077 JK |
7744 | struct range_entry *range_entry = &range_entries[i]; |
7745 | debug_info *debug_info_p = range_entry->debug_info_p; | |
19e6b90e | 7746 | unsigned int pointer_size; |
359ca075 | 7747 | dwarf_vma offset; |
01a8f077 | 7748 | unsigned char *next; |
359ca075 | 7749 | dwarf_vma base_address; |
19e6b90e | 7750 | |
77145576 | 7751 | pointer_size = (is_rnglists ? address_size : debug_info_p->pointer_size); |
d493b283 | 7752 | offset = range_entry->ranges_offset; |
01a8f077 JK |
7753 | next = section_begin + offset; |
7754 | base_address = debug_info_p->base_address; | |
cecf136e | 7755 | |
f41e4712 NC |
7756 | /* PR 17512: file: 001-101485-0.001:0.1. */ |
7757 | if (pointer_size < 2 || pointer_size > 8) | |
7758 | { | |
7759 | warn (_("Corrupt pointer size (%d) in debug entry at offset %8.8lx\n"), | |
359ca075 | 7760 | pointer_size, (unsigned long) offset); |
f41e4712 NC |
7761 | continue; |
7762 | } | |
b4eb7656 | 7763 | |
d11ae95e NC |
7764 | if (next < section_begin || next >= finish) |
7765 | { | |
7766 | warn (_("Corrupt offset (%#8.8lx) in range entry %u\n"), | |
7767 | (unsigned long) offset, i); | |
7768 | continue; | |
7769 | } | |
7770 | ||
cb4c35cf AB |
7771 | /* If multiple DWARF entities reference the same range then we will |
7772 | have multiple entries in the `range_entries' list for the same | |
7773 | offset. Thanks to the sort above these will all be consecutive in | |
7774 | the `range_entries' list, so we can easily ignore duplicates | |
7775 | here. */ | |
7776 | if (i > 0 && last_offset == offset) | |
7777 | continue; | |
7778 | last_offset = offset; | |
7779 | ||
4723351a | 7780 | if (dwarf_check != 0 && i > 0) |
19e6b90e | 7781 | { |
01a8f077 JK |
7782 | if (start < next) |
7783 | warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"), | |
7784 | (unsigned long) (start - section_begin), | |
7785 | (unsigned long) (next - section_begin), section->name); | |
7786 | else if (start > next) | |
a2ff7a4b AM |
7787 | { |
7788 | if (next == last_start) | |
7789 | continue; | |
7790 | warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"), | |
7791 | (unsigned long) (start - section_begin), | |
7792 | (unsigned long) (next - section_begin), section->name); | |
7793 | } | |
01a8f077 | 7794 | } |
d11ae95e | 7795 | |
01a8f077 | 7796 | start = next; |
a2ff7a4b | 7797 | last_start = next; |
19e6b90e | 7798 | |
77145576 JK |
7799 | (is_rnglists ? display_debug_rnglists_list : display_debug_ranges_list) |
7800 | (start, finish, pointer_size, offset, base_address); | |
19e6b90e L |
7801 | } |
7802 | putchar ('\n'); | |
01a8f077 JK |
7803 | |
7804 | free (range_entries); | |
7805 | ||
19e6b90e L |
7806 | return 1; |
7807 | } | |
7808 | ||
7809 | typedef struct Frame_Chunk | |
7810 | { | |
7811 | struct Frame_Chunk *next; | |
7812 | unsigned char *chunk_start; | |
a1165289 | 7813 | unsigned int ncols; |
19e6b90e L |
7814 | /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */ |
7815 | short int *col_type; | |
7816 | int *col_offset; | |
7817 | char *augmentation; | |
7818 | unsigned int code_factor; | |
7819 | int data_factor; | |
bf5117e3 NC |
7820 | dwarf_vma pc_begin; |
7821 | dwarf_vma pc_range; | |
32ef3000 | 7822 | unsigned int cfa_reg; |
c8071705 | 7823 | dwarf_vma cfa_offset; |
a1165289 | 7824 | unsigned int ra; |
19e6b90e L |
7825 | unsigned char fde_encoding; |
7826 | unsigned char cfa_exp; | |
604282a7 JJ |
7827 | unsigned char ptr_size; |
7828 | unsigned char segment_size; | |
19e6b90e L |
7829 | } |
7830 | Frame_Chunk; | |
7831 | ||
1296bc99 AB |
7832 | typedef const char *(*dwarf_regname_lookup_ftype) (unsigned int); |
7833 | static dwarf_regname_lookup_ftype dwarf_regnames_lookup_func; | |
665ce1f6 L |
7834 | static const char *const *dwarf_regnames; |
7835 | static unsigned int dwarf_regnames_count; | |
7836 | ||
1296bc99 | 7837 | |
19e6b90e L |
7838 | /* A marker for a col_type that means this column was never referenced |
7839 | in the frame info. */ | |
7840 | #define DW_CFA_unreferenced (-1) | |
7841 | ||
a1165289 | 7842 | /* Return 0 if no more space is needed, 1 if more space is needed, |
665ce1f6 L |
7843 | -1 for invalid reg. */ |
7844 | ||
7845 | static int | |
7846 | frame_need_space (Frame_Chunk *fc, unsigned int reg) | |
19e6b90e | 7847 | { |
a1165289 | 7848 | unsigned int prev = fc->ncols; |
19e6b90e | 7849 | |
665ce1f6 L |
7850 | if (reg < (unsigned int) fc->ncols) |
7851 | return 0; | |
7852 | ||
d9acf707 | 7853 | if (dwarf_regnames_count > 0 |
665ce1f6 L |
7854 | && reg > dwarf_regnames_count) |
7855 | return -1; | |
19e6b90e L |
7856 | |
7857 | fc->ncols = reg + 1; | |
a1165289 NC |
7858 | /* PR 17512: file: 10450-2643-0.004. |
7859 | If reg == -1 then this can happen... */ | |
7860 | if (fc->ncols == 0) | |
7861 | return -1; | |
7862 | ||
06614111 | 7863 | /* PR 17512: file: 2844a11d. */ |
d9acf707 | 7864 | if (fc->ncols > 1024 && dwarf_regnames_count == 0) |
06614111 NC |
7865 | { |
7866 | error (_("Unfeasibly large register number: %u\n"), reg); | |
7867 | fc->ncols = 0; | |
7868 | /* FIXME: 1024 is an arbitrary limit. Increase it if | |
7869 | we ever encounter a valid binary that exceeds it. */ | |
7870 | return -1; | |
7871 | } | |
7872 | ||
3f5e193b | 7873 | fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols, |
b4eb7656 | 7874 | sizeof (short int)); |
3f5e193b | 7875 | fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int)); |
b4eb7656 | 7876 | /* PR 17512: file:002-10025-0.005. */ |
041830e0 NC |
7877 | if (fc->col_type == NULL || fc->col_offset == NULL) |
7878 | { | |
7879 | error (_("Out of memory allocating %u columns in dwarf frame arrays\n"), | |
7880 | fc->ncols); | |
7881 | fc->ncols = 0; | |
7882 | return -1; | |
7883 | } | |
19e6b90e L |
7884 | |
7885 | while (prev < fc->ncols) | |
7886 | { | |
7887 | fc->col_type[prev] = DW_CFA_unreferenced; | |
7888 | fc->col_offset[prev] = 0; | |
7889 | prev++; | |
7890 | } | |
665ce1f6 | 7891 | return 1; |
19e6b90e L |
7892 | } |
7893 | ||
2dc4cec1 L |
7894 | static const char *const dwarf_regnames_i386[] = |
7895 | { | |
43234a1e L |
7896 | "eax", "ecx", "edx", "ebx", /* 0 - 3 */ |
7897 | "esp", "ebp", "esi", "edi", /* 4 - 7 */ | |
7898 | "eip", "eflags", NULL, /* 8 - 10 */ | |
7899 | "st0", "st1", "st2", "st3", /* 11 - 14 */ | |
7900 | "st4", "st5", "st6", "st7", /* 15 - 18 */ | |
7901 | NULL, NULL, /* 19 - 20 */ | |
7902 | "xmm0", "xmm1", "xmm2", "xmm3", /* 21 - 24 */ | |
7903 | "xmm4", "xmm5", "xmm6", "xmm7", /* 25 - 28 */ | |
7904 | "mm0", "mm1", "mm2", "mm3", /* 29 - 32 */ | |
7905 | "mm4", "mm5", "mm6", "mm7", /* 33 - 36 */ | |
7906 | "fcw", "fsw", "mxcsr", /* 37 - 39 */ | |
7907 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */ | |
7908 | "tr", "ldtr", /* 48 - 49 */ | |
7909 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */ | |
7910 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */ | |
7911 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */ | |
7912 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */ | |
7913 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */ | |
7914 | NULL, NULL, NULL, /* 90 - 92 */ | |
7915 | "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" /* 93 - 100 */ | |
2dc4cec1 L |
7916 | }; |
7917 | ||
3d875af5 L |
7918 | static const char *const dwarf_regnames_iamcu[] = |
7919 | { | |
7920 | "eax", "ecx", "edx", "ebx", /* 0 - 3 */ | |
7921 | "esp", "ebp", "esi", "edi", /* 4 - 7 */ | |
7922 | "eip", "eflags", NULL, /* 8 - 10 */ | |
7923 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 11 - 18 */ | |
7924 | NULL, NULL, /* 19 - 20 */ | |
7925 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 21 - 28 */ | |
7926 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 29 - 36 */ | |
7927 | NULL, NULL, NULL, /* 37 - 39 */ | |
7928 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */ | |
7929 | "tr", "ldtr", /* 48 - 49 */ | |
7930 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */ | |
7931 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */ | |
7932 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */ | |
7933 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */ | |
7934 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */ | |
7935 | NULL, NULL, NULL, /* 90 - 92 */ | |
7936 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL /* 93 - 100 */ | |
7937 | }; | |
7938 | ||
99f6fdd9 | 7939 | static void |
b129eb0e RH |
7940 | init_dwarf_regnames_i386 (void) |
7941 | { | |
7942 | dwarf_regnames = dwarf_regnames_i386; | |
7943 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386); | |
1296bc99 | 7944 | dwarf_regnames_lookup_func = regname_internal_by_table_only; |
b129eb0e RH |
7945 | } |
7946 | ||
99f6fdd9 | 7947 | static void |
3d875af5 L |
7948 | init_dwarf_regnames_iamcu (void) |
7949 | { | |
7950 | dwarf_regnames = dwarf_regnames_iamcu; | |
7951 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_iamcu); | |
1296bc99 | 7952 | dwarf_regnames_lookup_func = regname_internal_by_table_only; |
3d875af5 L |
7953 | } |
7954 | ||
2dc4cec1 L |
7955 | static const char *const dwarf_regnames_x86_64[] = |
7956 | { | |
7957 | "rax", "rdx", "rcx", "rbx", | |
7958 | "rsi", "rdi", "rbp", "rsp", | |
7959 | "r8", "r9", "r10", "r11", | |
7960 | "r12", "r13", "r14", "r15", | |
7961 | "rip", | |
7962 | "xmm0", "xmm1", "xmm2", "xmm3", | |
7963 | "xmm4", "xmm5", "xmm6", "xmm7", | |
7964 | "xmm8", "xmm9", "xmm10", "xmm11", | |
7965 | "xmm12", "xmm13", "xmm14", "xmm15", | |
7966 | "st0", "st1", "st2", "st3", | |
7967 | "st4", "st5", "st6", "st7", | |
7968 | "mm0", "mm1", "mm2", "mm3", | |
7969 | "mm4", "mm5", "mm6", "mm7", | |
7970 | "rflags", | |
7971 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, | |
7972 | "fs.base", "gs.base", NULL, NULL, | |
7973 | "tr", "ldtr", | |
43234a1e L |
7974 | "mxcsr", "fcw", "fsw", |
7975 | "xmm16", "xmm17", "xmm18", "xmm19", | |
7976 | "xmm20", "xmm21", "xmm22", "xmm23", | |
7977 | "xmm24", "xmm25", "xmm26", "xmm27", | |
7978 | "xmm28", "xmm29", "xmm30", "xmm31", | |
7979 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 83 - 90 */ | |
7980 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 91 - 98 */ | |
7981 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 99 - 106 */ | |
7982 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 107 - 114 */ | |
7983 | NULL, NULL, NULL, /* 115 - 117 */ | |
7984 | "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" | |
2dc4cec1 L |
7985 | }; |
7986 | ||
99f6fdd9 | 7987 | static void |
b129eb0e RH |
7988 | init_dwarf_regnames_x86_64 (void) |
7989 | { | |
7990 | dwarf_regnames = dwarf_regnames_x86_64; | |
7991 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64); | |
1296bc99 | 7992 | dwarf_regnames_lookup_func = regname_internal_by_table_only; |
b129eb0e RH |
7993 | } |
7994 | ||
4ee22035 RH |
7995 | static const char *const dwarf_regnames_aarch64[] = |
7996 | { | |
b4eb7656 AM |
7997 | "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", |
7998 | "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", | |
4ee22035 RH |
7999 | "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23", |
8000 | "x24", "x25", "x26", "x27", "x28", "x29", "x30", "sp", | |
8001 | NULL, "elr", NULL, NULL, NULL, NULL, NULL, NULL, | |
fab7c86e TC |
8002 | NULL, NULL, NULL, NULL, NULL, NULL, "vg", "ffr", |
8003 | "p0", "p1", "p2", "p3", "p4", "p5", "p6", "p7", | |
8004 | "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", | |
b4eb7656 AM |
8005 | "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", |
8006 | "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", | |
4ee22035 RH |
8007 | "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", |
8008 | "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", | |
fab7c86e TC |
8009 | "z0", "z1", "z2", "z3", "z4", "z5", "z6", "z7", |
8010 | "z8", "z9", "z10", "z11", "z12", "z13", "z14", "z15", | |
8011 | "z16", "z17", "z18", "z19", "z20", "z21", "z22", "z23", | |
8012 | "z24", "z25", "z26", "z27", "z28", "z29", "z30", "z31", | |
4ee22035 RH |
8013 | }; |
8014 | ||
99f6fdd9 | 8015 | static void |
4ee22035 RH |
8016 | init_dwarf_regnames_aarch64 (void) |
8017 | { | |
8018 | dwarf_regnames = dwarf_regnames_aarch64; | |
8019 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_aarch64); | |
1296bc99 | 8020 | dwarf_regnames_lookup_func = regname_internal_by_table_only; |
4ee22035 RH |
8021 | } |
8022 | ||
d6bb17b0 AA |
8023 | static const char *const dwarf_regnames_s390[] = |
8024 | { | |
8025 | /* Avoid saying "r5 (r5)", so omit the names of r0-r15. */ | |
8026 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
8027 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
8028 | "f0", "f2", "f4", "f6", "f1", "f3", "f5", "f7", | |
8029 | "f8", "f10", "f12", "f14", "f9", "f11", "f13", "f15", | |
8030 | "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7", | |
8031 | "cr8", "cr9", "cr10", "cr11", "cr12", "cr13", "cr14", "cr15", | |
8032 | "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", | |
8033 | "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15", | |
8034 | "pswm", "pswa", | |
8035 | NULL, NULL, | |
8036 | "v16", "v18", "v20", "v22", "v17", "v19", "v21", "v23", | |
8037 | "v24", "v26", "v28", "v30", "v25", "v27", "v29", "v31", | |
8038 | }; | |
8039 | ||
99f6fdd9 | 8040 | static void |
d6bb17b0 AA |
8041 | init_dwarf_regnames_s390 (void) |
8042 | { | |
8043 | dwarf_regnames = dwarf_regnames_s390; | |
8044 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_s390); | |
1296bc99 | 8045 | dwarf_regnames_lookup_func = regname_internal_by_table_only; |
d6bb17b0 AA |
8046 | } |
8047 | ||
5bb0830d AB |
8048 | static const char *const dwarf_regnames_riscv[] = |
8049 | { | |
8050 | "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", /* 0 - 7 */ | |
8051 | "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", /* 8 - 15 */ | |
8052 | "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", /* 16 - 23 */ | |
8053 | "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", /* 24 - 31 */ | |
8054 | "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", /* 32 - 39 */ | |
8055 | "fs0", "fs1", /* 40 - 41 */ | |
8056 | "fa0", "fa1", "fa2", "fa3", "fa4", "fa5", "fa6", "fa7", /* 42 - 49 */ | |
8057 | "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", "fs8", "fs9", /* 50 - 57 */ | |
8058 | "fs10", "fs11", /* 58 - 59 */ | |
8059 | "ft8", "ft9", "ft10", "ft11" /* 60 - 63 */ | |
8060 | }; | |
8061 | ||
4762fe62 AB |
8062 | /* A RISC-V replacement for REGNAME_INTERNAL_BY_TABLE_ONLY which handles |
8063 | the large number of CSRs. */ | |
8064 | ||
8065 | static const char * | |
8066 | regname_internal_riscv (unsigned int regno) | |
8067 | { | |
8068 | const char *name = NULL; | |
8069 | ||
8070 | /* Lookup in the table first, this covers GPR and FPR. */ | |
8071 | if (regno < ARRAY_SIZE (dwarf_regnames_riscv)) | |
8072 | name = dwarf_regnames_riscv [regno]; | |
8073 | else if (regno >= 4096 && regno <= 8191) | |
8074 | { | |
8075 | /* This might be a CSR, these live in a sparse number space from 4096 | |
8076 | to 8191 These numbers are defined in the RISC-V ELF ABI | |
8077 | document. */ | |
8078 | switch (regno) | |
8079 | { | |
8f595e9b NC |
8080 | #define DECLARE_CSR(NAME,VALUE,CLASS,DEFINE_VER,ABORT_VER) \ |
8081 | case VALUE + 4096: name = #NAME; break; | |
4762fe62 AB |
8082 | #include "opcode/riscv-opc.h" |
8083 | #undef DECLARE_CSR | |
8084 | ||
8085 | default: | |
8086 | { | |
8087 | static char csr_name[10]; | |
8088 | snprintf (csr_name, sizeof (csr_name), "csr%d", (regno - 4096)); | |
8089 | name = csr_name; | |
8090 | } | |
8091 | break; | |
8092 | } | |
8093 | } | |
8094 | ||
8095 | return name; | |
8096 | } | |
8097 | ||
99f6fdd9 | 8098 | static void |
5bb0830d AB |
8099 | init_dwarf_regnames_riscv (void) |
8100 | { | |
4762fe62 AB |
8101 | dwarf_regnames = NULL; |
8102 | dwarf_regnames_count = 8192; | |
8103 | dwarf_regnames_lookup_func = regname_internal_riscv; | |
5bb0830d AB |
8104 | } |
8105 | ||
2dc4cec1 | 8106 | void |
955ff7fc | 8107 | init_dwarf_regnames_by_elf_machine_code (unsigned int e_machine) |
2dc4cec1 | 8108 | { |
1296bc99 AB |
8109 | dwarf_regnames_lookup_func = NULL; |
8110 | ||
2dc4cec1 L |
8111 | switch (e_machine) |
8112 | { | |
8113 | case EM_386: | |
b129eb0e | 8114 | init_dwarf_regnames_i386 (); |
2dc4cec1 L |
8115 | break; |
8116 | ||
3d875af5 L |
8117 | case EM_IAMCU: |
8118 | init_dwarf_regnames_iamcu (); | |
8119 | break; | |
8120 | ||
2dc4cec1 | 8121 | case EM_X86_64: |
7f502d6c | 8122 | case EM_L1OM: |
7a9068fe | 8123 | case EM_K1OM: |
b129eb0e | 8124 | init_dwarf_regnames_x86_64 (); |
2dc4cec1 L |
8125 | break; |
8126 | ||
4ee22035 RH |
8127 | case EM_AARCH64: |
8128 | init_dwarf_regnames_aarch64 (); | |
8129 | break; | |
8130 | ||
d6bb17b0 AA |
8131 | case EM_S390: |
8132 | init_dwarf_regnames_s390 (); | |
8133 | break; | |
8134 | ||
5bb0830d AB |
8135 | case EM_RISCV: |
8136 | init_dwarf_regnames_riscv (); | |
8137 | break; | |
8138 | ||
2dc4cec1 L |
8139 | default: |
8140 | break; | |
8141 | } | |
8142 | } | |
8143 | ||
229a22cf AB |
8144 | /* Initialize the DWARF register name lookup state based on the |
8145 | architecture and specific machine type of a BFD. */ | |
8146 | ||
8147 | void | |
8148 | init_dwarf_regnames_by_bfd_arch_and_mach (enum bfd_architecture arch, | |
8149 | unsigned long mach) | |
8150 | { | |
1296bc99 AB |
8151 | dwarf_regnames_lookup_func = NULL; |
8152 | ||
229a22cf AB |
8153 | switch (arch) |
8154 | { | |
8155 | case bfd_arch_i386: | |
8156 | switch (mach) | |
8157 | { | |
8158 | case bfd_mach_x86_64: | |
8159 | case bfd_mach_x86_64_intel_syntax: | |
229a22cf AB |
8160 | case bfd_mach_x64_32: |
8161 | case bfd_mach_x64_32_intel_syntax: | |
229a22cf AB |
8162 | init_dwarf_regnames_x86_64 (); |
8163 | break; | |
8164 | ||
8165 | default: | |
8166 | init_dwarf_regnames_i386 (); | |
8167 | break; | |
8168 | } | |
8169 | break; | |
8170 | ||
8171 | case bfd_arch_iamcu: | |
8172 | init_dwarf_regnames_iamcu (); | |
8173 | break; | |
8174 | ||
8175 | case bfd_arch_aarch64: | |
8176 | init_dwarf_regnames_aarch64(); | |
8177 | break; | |
8178 | ||
8179 | case bfd_arch_s390: | |
8180 | init_dwarf_regnames_s390 (); | |
8181 | break; | |
8182 | ||
8183 | case bfd_arch_riscv: | |
8184 | init_dwarf_regnames_riscv (); | |
8185 | break; | |
8186 | ||
8187 | default: | |
8188 | break; | |
8189 | } | |
8190 | } | |
8191 | ||
2dc4cec1 | 8192 | static const char * |
1296bc99 | 8193 | regname_internal_by_table_only (unsigned int regno) |
2dc4cec1 | 8194 | { |
1296bc99 | 8195 | if (dwarf_regnames != NULL |
2dc4cec1 L |
8196 | && regno < dwarf_regnames_count |
8197 | && dwarf_regnames [regno] != NULL) | |
1296bc99 AB |
8198 | return dwarf_regnames [regno]; |
8199 | ||
8200 | return NULL; | |
8201 | } | |
8202 | ||
8203 | static const char * | |
8204 | regname (unsigned int regno, int name_only_p) | |
8205 | { | |
8206 | static char reg[64]; | |
8207 | ||
8208 | const char *name = NULL; | |
8209 | ||
8210 | if (dwarf_regnames_lookup_func != NULL) | |
8211 | name = dwarf_regnames_lookup_func (regno); | |
8212 | ||
8213 | if (name != NULL) | |
2dc4cec1 | 8214 | { |
1296bc99 AB |
8215 | if (name_only_p) |
8216 | return name; | |
8217 | snprintf (reg, sizeof (reg), "r%d (%s)", regno, name); | |
2dc4cec1 L |
8218 | } |
8219 | else | |
8220 | snprintf (reg, sizeof (reg), "r%d", regno); | |
8221 | return reg; | |
8222 | } | |
8223 | ||
19e6b90e | 8224 | static void |
a1165289 | 8225 | frame_display_row (Frame_Chunk *fc, int *need_col_headers, unsigned int *max_regs) |
19e6b90e | 8226 | { |
a1165289 | 8227 | unsigned int r; |
19e6b90e L |
8228 | char tmp[100]; |
8229 | ||
d8024a91 | 8230 | if (*max_regs != fc->ncols) |
19e6b90e L |
8231 | *max_regs = fc->ncols; |
8232 | ||
8233 | if (*need_col_headers) | |
8234 | { | |
8235 | *need_col_headers = 0; | |
8236 | ||
288f0ba2 | 8237 | printf ("%-*s CFA ", eh_addr_size * 2, " LOC"); |
19e6b90e L |
8238 | |
8239 | for (r = 0; r < *max_regs; r++) | |
8240 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
8241 | { | |
8242 | if (r == fc->ra) | |
50751e18 | 8243 | printf ("ra "); |
19e6b90e | 8244 | else |
2dc4cec1 | 8245 | printf ("%-5s ", regname (r, 1)); |
19e6b90e L |
8246 | } |
8247 | ||
8248 | printf ("\n"); | |
8249 | } | |
8250 | ||
bf5117e3 | 8251 | print_dwarf_vma (fc->pc_begin, eh_addr_size); |
19e6b90e L |
8252 | if (fc->cfa_exp) |
8253 | strcpy (tmp, "exp"); | |
8254 | else | |
c8071705 | 8255 | sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), (int) fc->cfa_offset); |
19e6b90e L |
8256 | printf ("%-8s ", tmp); |
8257 | ||
8258 | for (r = 0; r < fc->ncols; r++) | |
8259 | { | |
8260 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
8261 | { | |
8262 | switch (fc->col_type[r]) | |
8263 | { | |
8264 | case DW_CFA_undefined: | |
8265 | strcpy (tmp, "u"); | |
8266 | break; | |
8267 | case DW_CFA_same_value: | |
8268 | strcpy (tmp, "s"); | |
8269 | break; | |
8270 | case DW_CFA_offset: | |
8271 | sprintf (tmp, "c%+d", fc->col_offset[r]); | |
8272 | break; | |
12eae2d3 JJ |
8273 | case DW_CFA_val_offset: |
8274 | sprintf (tmp, "v%+d", fc->col_offset[r]); | |
8275 | break; | |
19e6b90e | 8276 | case DW_CFA_register: |
2dc4cec1 | 8277 | sprintf (tmp, "%s", regname (fc->col_offset[r], 0)); |
19e6b90e L |
8278 | break; |
8279 | case DW_CFA_expression: | |
8280 | strcpy (tmp, "exp"); | |
8281 | break; | |
12eae2d3 JJ |
8282 | case DW_CFA_val_expression: |
8283 | strcpy (tmp, "vexp"); | |
8284 | break; | |
19e6b90e L |
8285 | default: |
8286 | strcpy (tmp, "n/a"); | |
8287 | break; | |
8288 | } | |
2dc4cec1 | 8289 | printf ("%-5s ", tmp); |
19e6b90e L |
8290 | } |
8291 | } | |
8292 | printf ("\n"); | |
8293 | } | |
8294 | ||
49727e46 | 8295 | #define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end) |
19e6b90e | 8296 | |
49727e46 AM |
8297 | static unsigned char * |
8298 | read_cie (unsigned char *start, unsigned char *end, | |
8299 | Frame_Chunk **p_cie, int *p_version, | |
bf59c5d5 | 8300 | bfd_size_type *p_aug_len, unsigned char **p_aug) |
49727e46 AM |
8301 | { |
8302 | int version; | |
8303 | Frame_Chunk *fc; | |
49727e46 | 8304 | unsigned char *augmentation_data = NULL; |
bf59c5d5 | 8305 | bfd_size_type augmentation_data_len = 0; |
49727e46 | 8306 | |
041830e0 | 8307 | * p_cie = NULL; |
f41e4712 NC |
8308 | /* PR 17512: file: 001-228113-0.004. */ |
8309 | if (start >= end) | |
8310 | return end; | |
8311 | ||
49727e46 AM |
8312 | fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
8313 | memset (fc, 0, sizeof (Frame_Chunk)); | |
8314 | ||
8315 | fc->col_type = (short int *) xmalloc (sizeof (short int)); | |
8316 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
8317 | ||
8318 | version = *start++; | |
8319 | ||
8320 | fc->augmentation = (char *) start; | |
f41e4712 NC |
8321 | /* PR 17512: file: 001-228113-0.004. |
8322 | Skip past augmentation name, but avoid running off the end of the data. */ | |
8323 | while (start < end) | |
8324 | if (* start ++ == '\0') | |
8325 | break; | |
8326 | if (start == end) | |
8327 | { | |
8328 | warn (_("No terminator for augmentation name\n")); | |
442a6ce8 | 8329 | goto fail; |
f41e4712 | 8330 | } |
49727e46 AM |
8331 | |
8332 | if (strcmp (fc->augmentation, "eh") == 0) | |
8333 | start += eh_addr_size; | |
8334 | ||
8335 | if (version >= 4) | |
8336 | { | |
8337 | GET (fc->ptr_size, 1); | |
77ef8654 NC |
8338 | if (fc->ptr_size < 1 || fc->ptr_size > 8) |
8339 | { | |
8340 | warn (_("Invalid pointer size (%d) in CIE data\n"), fc->ptr_size); | |
442a6ce8 | 8341 | goto fail; |
77ef8654 NC |
8342 | } |
8343 | ||
49727e46 | 8344 | GET (fc->segment_size, 1); |
77ef8654 NC |
8345 | /* PR 17512: file: e99d2804. */ |
8346 | if (fc->segment_size > 8 || fc->segment_size + fc->ptr_size > 8) | |
8347 | { | |
8348 | warn (_("Invalid segment size (%d) in CIE data\n"), fc->segment_size); | |
442a6ce8 | 8349 | goto fail; |
77ef8654 NC |
8350 | } |
8351 | ||
49727e46 AM |
8352 | eh_addr_size = fc->ptr_size; |
8353 | } | |
8354 | else | |
8355 | { | |
8356 | fc->ptr_size = eh_addr_size; | |
8357 | fc->segment_size = 0; | |
8358 | } | |
442a6ce8 | 8359 | |
cd30bcef AM |
8360 | READ_ULEB (fc->code_factor, start, end); |
8361 | READ_SLEB (fc->data_factor, start, end); | |
442a6ce8 | 8362 | |
49727e46 AM |
8363 | if (version == 1) |
8364 | { | |
8365 | GET (fc->ra, 1); | |
8366 | } | |
8367 | else | |
8368 | { | |
cd30bcef | 8369 | READ_ULEB (fc->ra, start, end); |
49727e46 AM |
8370 | } |
8371 | ||
8372 | if (fc->augmentation[0] == 'z') | |
8373 | { | |
cd30bcef | 8374 | READ_ULEB (augmentation_data_len, start, end); |
49727e46 | 8375 | augmentation_data = start; |
a1165289 | 8376 | /* PR 17512: file: 11042-2589-0.004. */ |
bf59c5d5 | 8377 | if (augmentation_data_len > (bfd_size_type) (end - start)) |
a1165289 | 8378 | { |
bf59c5d5 NC |
8379 | warn (_("Augmentation data too long: 0x%s, expected at most %#lx\n"), |
8380 | dwarf_vmatoa ("x", augmentation_data_len), | |
8381 | (unsigned long) (end - start)); | |
442a6ce8 | 8382 | goto fail; |
a1165289 | 8383 | } |
9c0f3d3f | 8384 | start += augmentation_data_len; |
49727e46 AM |
8385 | } |
8386 | ||
8387 | if (augmentation_data_len) | |
8388 | { | |
058037d3 NC |
8389 | unsigned char *p; |
8390 | unsigned char *q; | |
8391 | unsigned char *qend; | |
b4eb7656 | 8392 | |
49727e46 AM |
8393 | p = (unsigned char *) fc->augmentation + 1; |
8394 | q = augmentation_data; | |
058037d3 NC |
8395 | qend = q + augmentation_data_len; |
8396 | ||
9c0f3d3f | 8397 | while (p < end && q < qend) |
49727e46 AM |
8398 | { |
8399 | if (*p == 'L') | |
8400 | q++; | |
8401 | else if (*p == 'P') | |
8402 | q += 1 + size_of_encoded_value (*q); | |
8403 | else if (*p == 'R') | |
8404 | fc->fde_encoding = *q++; | |
8405 | else if (*p == 'S') | |
8406 | ; | |
09038062 ST |
8407 | else if (*p == 'B') |
8408 | ; | |
49727e46 AM |
8409 | else |
8410 | break; | |
8411 | p++; | |
8412 | } | |
c361b9ac NC |
8413 | /* Note - it is OK if this loop terminates with q < qend. |
8414 | Padding may have been inserted to align the end of the CIE. */ | |
49727e46 AM |
8415 | } |
8416 | ||
8417 | *p_cie = fc; | |
8418 | if (p_version) | |
8419 | *p_version = version; | |
8420 | if (p_aug_len) | |
8421 | { | |
8422 | *p_aug_len = augmentation_data_len; | |
8423 | *p_aug = augmentation_data; | |
8424 | } | |
8425 | return start; | |
442a6ce8 NC |
8426 | |
8427 | fail: | |
8428 | free (fc->col_offset); | |
8429 | free (fc->col_type); | |
8430 | free (fc); | |
8431 | return end; | |
49727e46 AM |
8432 | } |
8433 | ||
d85bf2ba NC |
8434 | /* Prints out the contents on the DATA array formatted as unsigned bytes. |
8435 | If do_wide is not enabled, then formats the output to fit into 80 columns. | |
8436 | PRINTED contains the number of characters already written to the current | |
8437 | output line. */ | |
bf59c5d5 NC |
8438 | |
8439 | static void | |
d85bf2ba NC |
8440 | display_data (bfd_size_type printed, |
8441 | const unsigned char * data, | |
8442 | const bfd_size_type len) | |
bf59c5d5 | 8443 | { |
d85bf2ba NC |
8444 | if (do_wide || len < ((80 - printed) / 3)) |
8445 | for (printed = 0; printed < len; ++printed) | |
8446 | printf (" %02x", data[printed]); | |
bf59c5d5 NC |
8447 | else |
8448 | { | |
d85bf2ba | 8449 | for (printed = 0; printed < len; ++printed) |
bf59c5d5 | 8450 | { |
d85bf2ba | 8451 | if (printed % (80 / 3) == 0) |
bf59c5d5 | 8452 | putchar ('\n'); |
d85bf2ba | 8453 | printf (" %02x", data[printed]); |
bf59c5d5 NC |
8454 | } |
8455 | } | |
d85bf2ba NC |
8456 | } |
8457 | ||
8458 | /* Prints out the contents on the augmentation data array. | |
8459 | If do_wide is not enabled, then formats the output to fit into 80 columns. */ | |
8460 | ||
8461 | static void | |
8462 | display_augmentation_data (const unsigned char * data, const bfd_size_type len) | |
8463 | { | |
8464 | bfd_size_type i; | |
8465 | ||
8466 | i = printf (_(" Augmentation data: ")); | |
8467 | display_data (i, data, len); | |
bf59c5d5 NC |
8468 | } |
8469 | ||
19e6b90e L |
8470 | static int |
8471 | display_debug_frames (struct dwarf_section *section, | |
8472 | void *file ATTRIBUTE_UNUSED) | |
8473 | { | |
8474 | unsigned char *start = section->start; | |
8475 | unsigned char *end = start + section->size; | |
8476 | unsigned char *section_start = start; | |
3391569f NC |
8477 | Frame_Chunk *chunks = NULL, *forward_refs = NULL; |
8478 | Frame_Chunk *remembered_state = NULL; | |
19e6b90e | 8479 | Frame_Chunk *rs; |
3391569f | 8480 | bfd_boolean is_eh = strcmp (section->name, ".eh_frame") == 0; |
a1165289 | 8481 | unsigned int max_regs = 0; |
665ce1f6 | 8482 | const char *bad_reg = _("bad register: "); |
77ef8654 | 8483 | unsigned int saved_eh_addr_size = eh_addr_size; |
19e6b90e | 8484 | |
dda8d76d | 8485 | introduce (section, FALSE); |
19e6b90e L |
8486 | |
8487 | while (start < end) | |
8488 | { | |
8489 | unsigned char *saved_start; | |
8490 | unsigned char *block_end; | |
bf5117e3 NC |
8491 | dwarf_vma length; |
8492 | dwarf_vma cie_id; | |
19e6b90e L |
8493 | Frame_Chunk *fc; |
8494 | Frame_Chunk *cie; | |
8495 | int need_col_headers = 1; | |
8496 | unsigned char *augmentation_data = NULL; | |
bf59c5d5 | 8497 | bfd_size_type augmentation_data_len = 0; |
bf5117e3 NC |
8498 | unsigned int encoded_ptr_size = saved_eh_addr_size; |
8499 | unsigned int offset_size; | |
8500 | unsigned int initial_length_size; | |
5b6312fd | 8501 | bfd_boolean all_nops; |
a788aedd | 8502 | static Frame_Chunk fde_fc; |
19e6b90e L |
8503 | |
8504 | saved_start = start; | |
19e6b90e | 8505 | |
0c588247 | 8506 | SAFE_BYTE_GET_AND_INC (length, start, 4, end); |
041830e0 | 8507 | |
19e6b90e L |
8508 | if (length == 0) |
8509 | { | |
8510 | printf ("\n%08lx ZERO terminator\n\n", | |
8511 | (unsigned long)(saved_start - section_start)); | |
6937bb54 NC |
8512 | /* Skip any zero terminators that directly follow. |
8513 | A corrupt section size could have loaded a whole | |
8514 | slew of zero filled memory bytes. eg | |
8515 | PR 17512: file: 070-19381-0.004. */ | |
8516 | while (start < end && * start == 0) | |
8517 | ++ start; | |
b758e50f | 8518 | continue; |
19e6b90e L |
8519 | } |
8520 | ||
8521 | if (length == 0xffffffff) | |
8522 | { | |
0c588247 | 8523 | SAFE_BYTE_GET_AND_INC (length, start, 8, end); |
19e6b90e L |
8524 | offset_size = 8; |
8525 | initial_length_size = 12; | |
8526 | } | |
8527 | else | |
8528 | { | |
8529 | offset_size = 4; | |
8530 | initial_length_size = 4; | |
8531 | } | |
8532 | ||
8533 | block_end = saved_start + length + initial_length_size; | |
041830e0 | 8534 | if (block_end > end || block_end < start) |
53b8873b | 8535 | { |
bf5117e3 NC |
8536 | warn ("Invalid length 0x%s in FDE at %#08lx\n", |
8537 | dwarf_vmatoa_1 (NULL, length, offset_size), | |
8538 | (unsigned long) (saved_start - section_start)); | |
53b8873b NC |
8539 | block_end = end; |
8540 | } | |
0c588247 NC |
8541 | |
8542 | SAFE_BYTE_GET_AND_INC (cie_id, start, offset_size, end); | |
19e6b90e | 8543 | |
846a11e4 NC |
8544 | if (is_eh ? (cie_id == 0) : ((offset_size == 4 && cie_id == DW_CIE_ID) |
8545 | || (offset_size == 8 && cie_id == DW64_CIE_ID))) | |
19e6b90e L |
8546 | { |
8547 | int version; | |
a1165289 | 8548 | unsigned int mreg; |
19e6b90e | 8549 | |
49727e46 AM |
8550 | start = read_cie (start, end, &cie, &version, |
8551 | &augmentation_data_len, &augmentation_data); | |
041830e0 NC |
8552 | /* PR 17512: file: 027-135133-0.005. */ |
8553 | if (cie == NULL) | |
8554 | break; | |
a1165289 | 8555 | |
49727e46 | 8556 | fc = cie; |
19e6b90e L |
8557 | fc->next = chunks; |
8558 | chunks = fc; | |
8559 | fc->chunk_start = saved_start; | |
a1165289 | 8560 | mreg = max_regs > 0 ? max_regs - 1 : 0; |
49727e46 AM |
8561 | if (mreg < fc->ra) |
8562 | mreg = fc->ra; | |
06614111 NC |
8563 | if (frame_need_space (fc, mreg) < 0) |
8564 | break; | |
49727e46 AM |
8565 | if (fc->fde_encoding) |
8566 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
19e6b90e | 8567 | |
bf5117e3 NC |
8568 | printf ("\n%08lx ", (unsigned long) (saved_start - section_start)); |
8569 | print_dwarf_vma (length, fc->ptr_size); | |
9c41109d | 8570 | print_dwarf_vma (cie_id, offset_size); |
bf5117e3 | 8571 | |
19e6b90e | 8572 | if (do_debug_frames_interp) |
bf5117e3 NC |
8573 | { |
8574 | printf ("CIE \"%s\" cf=%d df=%d ra=%d\n", fc->augmentation, | |
8575 | fc->code_factor, fc->data_factor, fc->ra); | |
8576 | } | |
19e6b90e L |
8577 | else |
8578 | { | |
bf5117e3 | 8579 | printf ("CIE\n"); |
19e6b90e L |
8580 | printf (" Version: %d\n", version); |
8581 | printf (" Augmentation: \"%s\"\n", fc->augmentation); | |
604282a7 JJ |
8582 | if (version >= 4) |
8583 | { | |
8584 | printf (" Pointer Size: %u\n", fc->ptr_size); | |
8585 | printf (" Segment Size: %u\n", fc->segment_size); | |
8586 | } | |
19e6b90e L |
8587 | printf (" Code alignment factor: %u\n", fc->code_factor); |
8588 | printf (" Data alignment factor: %d\n", fc->data_factor); | |
8589 | printf (" Return address column: %d\n", fc->ra); | |
8590 | ||
8591 | if (augmentation_data_len) | |
bf59c5d5 | 8592 | display_augmentation_data (augmentation_data, augmentation_data_len); |
a1165289 | 8593 | |
19e6b90e L |
8594 | putchar ('\n'); |
8595 | } | |
19e6b90e L |
8596 | } |
8597 | else | |
8598 | { | |
8599 | unsigned char *look_for; | |
604282a7 | 8600 | unsigned long segment_selector; |
19e6b90e | 8601 | |
49727e46 AM |
8602 | if (is_eh) |
8603 | { | |
8604 | dwarf_vma sign = (dwarf_vma) 1 << (offset_size * 8 - 1); | |
8605 | look_for = start - 4 - ((cie_id ^ sign) - sign); | |
8606 | } | |
8607 | else | |
8608 | look_for = section_start + cie_id; | |
19e6b90e | 8609 | |
49727e46 AM |
8610 | if (look_for <= saved_start) |
8611 | { | |
8612 | for (cie = chunks; cie ; cie = cie->next) | |
8613 | if (cie->chunk_start == look_for) | |
8614 | break; | |
8615 | } | |
8616 | else | |
8617 | { | |
8618 | for (cie = forward_refs; cie ; cie = cie->next) | |
8619 | if (cie->chunk_start == look_for) | |
8620 | break; | |
8621 | if (!cie) | |
8622 | { | |
8623 | unsigned int off_size; | |
8624 | unsigned char *cie_scan; | |
19e6b90e | 8625 | |
49727e46 AM |
8626 | cie_scan = look_for; |
8627 | off_size = 4; | |
8628 | SAFE_BYTE_GET_AND_INC (length, cie_scan, 4, end); | |
8629 | if (length == 0xffffffff) | |
8630 | { | |
8631 | SAFE_BYTE_GET_AND_INC (length, cie_scan, 8, end); | |
8632 | off_size = 8; | |
8633 | } | |
8634 | if (length != 0) | |
8635 | { | |
8636 | dwarf_vma c_id; | |
8637 | ||
8638 | SAFE_BYTE_GET_AND_INC (c_id, cie_scan, off_size, end); | |
8639 | if (is_eh | |
8640 | ? c_id == 0 | |
8641 | : ((off_size == 4 && c_id == DW_CIE_ID) | |
8642 | || (off_size == 8 && c_id == DW64_CIE_ID))) | |
8643 | { | |
8644 | int version; | |
a1165289 | 8645 | unsigned int mreg; |
49727e46 AM |
8646 | |
8647 | read_cie (cie_scan, end, &cie, &version, | |
8648 | &augmentation_data_len, &augmentation_data); | |
a1165289 NC |
8649 | /* PR 17512: file: 3450-2098-0.004. */ |
8650 | if (cie == NULL) | |
8651 | { | |
8652 | warn (_("Failed to read CIE information\n")); | |
8653 | break; | |
8654 | } | |
49727e46 AM |
8655 | cie->next = forward_refs; |
8656 | forward_refs = cie; | |
8657 | cie->chunk_start = look_for; | |
a1165289 | 8658 | mreg = max_regs > 0 ? max_regs - 1 : 0; |
49727e46 AM |
8659 | if (mreg < cie->ra) |
8660 | mreg = cie->ra; | |
06614111 NC |
8661 | if (frame_need_space (cie, mreg) < 0) |
8662 | { | |
8663 | warn (_("Invalid max register\n")); | |
8664 | break; | |
8665 | } | |
49727e46 AM |
8666 | if (cie->fde_encoding) |
8667 | encoded_ptr_size | |
8668 | = size_of_encoded_value (cie->fde_encoding); | |
8669 | } | |
8670 | } | |
8671 | } | |
8672 | } | |
8673 | ||
8674 | fc = &fde_fc; | |
8675 | memset (fc, 0, sizeof (Frame_Chunk)); | |
19e6b90e L |
8676 | |
8677 | if (!cie) | |
8678 | { | |
bf5117e3 NC |
8679 | warn ("Invalid CIE pointer 0x%s in FDE at %#08lx\n", |
8680 | dwarf_vmatoa_1 (NULL, cie_id, offset_size), | |
8681 | (unsigned long) (saved_start - section_start)); | |
19e6b90e | 8682 | fc->ncols = 0; |
3f5e193b NC |
8683 | fc->col_type = (short int *) xmalloc (sizeof (short int)); |
8684 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
06614111 NC |
8685 | if (frame_need_space (fc, max_regs > 0 ? max_regs - 1 : 0) < 0) |
8686 | { | |
8687 | warn (_("Invalid max register\n")); | |
8688 | break; | |
8689 | } | |
19e6b90e L |
8690 | cie = fc; |
8691 | fc->augmentation = ""; | |
8692 | fc->fde_encoding = 0; | |
604282a7 JJ |
8693 | fc->ptr_size = eh_addr_size; |
8694 | fc->segment_size = 0; | |
19e6b90e L |
8695 | } |
8696 | else | |
8697 | { | |
8698 | fc->ncols = cie->ncols; | |
3f5e193b NC |
8699 | fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int)); |
8700 | fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int)); | |
19e6b90e L |
8701 | memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int)); |
8702 | memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int)); | |
8703 | fc->augmentation = cie->augmentation; | |
604282a7 JJ |
8704 | fc->ptr_size = cie->ptr_size; |
8705 | eh_addr_size = cie->ptr_size; | |
8706 | fc->segment_size = cie->segment_size; | |
19e6b90e L |
8707 | fc->code_factor = cie->code_factor; |
8708 | fc->data_factor = cie->data_factor; | |
8709 | fc->cfa_reg = cie->cfa_reg; | |
8710 | fc->cfa_offset = cie->cfa_offset; | |
8711 | fc->ra = cie->ra; | |
06614111 NC |
8712 | if (frame_need_space (fc, max_regs > 0 ? max_regs - 1: 0) < 0) |
8713 | { | |
8714 | warn (_("Invalid max register\n")); | |
8715 | break; | |
8716 | } | |
19e6b90e L |
8717 | fc->fde_encoding = cie->fde_encoding; |
8718 | } | |
8719 | ||
8720 | if (fc->fde_encoding) | |
8721 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
8722 | ||
604282a7 JJ |
8723 | segment_selector = 0; |
8724 | if (fc->segment_size) | |
c8071705 NC |
8725 | { |
8726 | if (fc->segment_size > sizeof (segment_selector)) | |
8727 | { | |
8728 | /* PR 17512: file: 9e196b3e. */ | |
8729 | warn (_("Probably corrupt segment size: %d - using 4 instead\n"), fc->segment_size); | |
8730 | fc->segment_size = 4; | |
8731 | } | |
8732 | SAFE_BYTE_GET_AND_INC (segment_selector, start, fc->segment_size, end); | |
8733 | } | |
041830e0 NC |
8734 | |
8735 | fc->pc_begin = get_encoded_value (&start, fc->fde_encoding, section, end); | |
19e6b90e | 8736 | |
0c588247 NC |
8737 | /* FIXME: It appears that sometimes the final pc_range value is |
8738 | encoded in less than encoded_ptr_size bytes. See the x86_64 | |
8739 | run of the "objcopy on compressed debug sections" test for an | |
8740 | example of this. */ | |
8741 | SAFE_BYTE_GET_AND_INC (fc->pc_range, start, encoded_ptr_size, end); | |
bf5117e3 | 8742 | |
19e6b90e L |
8743 | if (cie->augmentation[0] == 'z') |
8744 | { | |
cd30bcef | 8745 | READ_ULEB (augmentation_data_len, start, end); |
19e6b90e | 8746 | augmentation_data = start; |
bf59c5d5 | 8747 | /* PR 17512 file: 722-8446-0.004 and PR 22386. */ |
d292364e | 8748 | if (augmentation_data_len > (bfd_size_type) (end - start)) |
0a9d414a | 8749 | { |
d292364e AM |
8750 | warn (_("Augmentation data too long: 0x%s, " |
8751 | "expected at most %#lx\n"), | |
8752 | dwarf_vmatoa ("x", augmentation_data_len), | |
8753 | (unsigned long) (end - start)); | |
0a9d414a NC |
8754 | start = end; |
8755 | augmentation_data = NULL; | |
8756 | augmentation_data_len = 0; | |
8757 | } | |
d292364e | 8758 | start += augmentation_data_len; |
19e6b90e L |
8759 | } |
8760 | ||
bf5117e3 NC |
8761 | printf ("\n%08lx %s %s FDE cie=%08lx pc=", |
8762 | (unsigned long)(saved_start - section_start), | |
8763 | dwarf_vmatoa_1 (NULL, length, fc->ptr_size), | |
9c41109d | 8764 | dwarf_vmatoa_1 (NULL, cie_id, offset_size), |
604282a7 | 8765 | (unsigned long)(cie->chunk_start - section_start)); |
bf5117e3 | 8766 | |
604282a7 JJ |
8767 | if (fc->segment_size) |
8768 | printf ("%04lx:", segment_selector); | |
bf5117e3 NC |
8769 | |
8770 | printf ("%s..%s\n", | |
8771 | dwarf_vmatoa_1 (NULL, fc->pc_begin, fc->ptr_size), | |
8772 | dwarf_vmatoa_1 (NULL, fc->pc_begin + fc->pc_range, fc->ptr_size)); | |
8773 | ||
19e6b90e L |
8774 | if (! do_debug_frames_interp && augmentation_data_len) |
8775 | { | |
bf59c5d5 | 8776 | display_augmentation_data (augmentation_data, augmentation_data_len); |
19e6b90e L |
8777 | putchar ('\n'); |
8778 | } | |
8779 | } | |
8780 | ||
8781 | /* At this point, fc is the current chunk, cie (if any) is set, and | |
8782 | we're about to interpret instructions for the chunk. */ | |
8783 | /* ??? At present we need to do this always, since this sizes the | |
8784 | fc->col_type and fc->col_offset arrays, which we write into always. | |
8785 | We should probably split the interpreted and non-interpreted bits | |
8786 | into two different routines, since there's so much that doesn't | |
8787 | really overlap between them. */ | |
8788 | if (1 || do_debug_frames_interp) | |
8789 | { | |
8790 | /* Start by making a pass over the chunk, allocating storage | |
8791 | and taking note of what registers are used. */ | |
8792 | unsigned char *tmp = start; | |
8793 | ||
8794 | while (start < block_end) | |
8795 | { | |
041830e0 NC |
8796 | unsigned int reg, op, opa; |
8797 | unsigned long temp; | |
5929c344 | 8798 | unsigned char * new_start; |
19e6b90e L |
8799 | |
8800 | op = *start++; | |
8801 | opa = op & 0x3f; | |
8802 | if (op & 0xc0) | |
8803 | op &= 0xc0; | |
8804 | ||
8805 | /* Warning: if you add any more cases to this switch, be | |
8806 | sure to add them to the corresponding switch below. */ | |
8807 | switch (op) | |
8808 | { | |
8809 | case DW_CFA_advance_loc: | |
8810 | break; | |
8811 | case DW_CFA_offset: | |
cd30bcef | 8812 | SKIP_ULEB (start, end); |
665ce1f6 L |
8813 | if (frame_need_space (fc, opa) >= 0) |
8814 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
8815 | break; |
8816 | case DW_CFA_restore: | |
665ce1f6 L |
8817 | if (frame_need_space (fc, opa) >= 0) |
8818 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
8819 | break; |
8820 | case DW_CFA_set_loc: | |
8821 | start += encoded_ptr_size; | |
8822 | break; | |
8823 | case DW_CFA_advance_loc1: | |
8824 | start += 1; | |
8825 | break; | |
8826 | case DW_CFA_advance_loc2: | |
8827 | start += 2; | |
8828 | break; | |
8829 | case DW_CFA_advance_loc4: | |
8830 | start += 4; | |
8831 | break; | |
8832 | case DW_CFA_offset_extended: | |
12eae2d3 | 8833 | case DW_CFA_val_offset: |
cd30bcef AM |
8834 | READ_ULEB (reg, start, end); |
8835 | SKIP_ULEB (start, end); | |
665ce1f6 L |
8836 | if (frame_need_space (fc, reg) >= 0) |
8837 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8838 | break; |
8839 | case DW_CFA_restore_extended: | |
cd30bcef | 8840 | READ_ULEB (reg, start, end); |
665ce1f6 L |
8841 | if (frame_need_space (fc, reg) >= 0) |
8842 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8843 | break; |
8844 | case DW_CFA_undefined: | |
cd30bcef | 8845 | READ_ULEB (reg, start, end); |
665ce1f6 L |
8846 | if (frame_need_space (fc, reg) >= 0) |
8847 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8848 | break; |
8849 | case DW_CFA_same_value: | |
cd30bcef | 8850 | READ_ULEB (reg, start, end); |
665ce1f6 L |
8851 | if (frame_need_space (fc, reg) >= 0) |
8852 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8853 | break; |
8854 | case DW_CFA_register: | |
cd30bcef AM |
8855 | READ_ULEB (reg, start, end); |
8856 | SKIP_ULEB (start, end); | |
665ce1f6 L |
8857 | if (frame_need_space (fc, reg) >= 0) |
8858 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8859 | break; |
8860 | case DW_CFA_def_cfa: | |
cd30bcef AM |
8861 | SKIP_ULEB (start, end); |
8862 | SKIP_ULEB (start, end); | |
19e6b90e L |
8863 | break; |
8864 | case DW_CFA_def_cfa_register: | |
cd30bcef | 8865 | SKIP_ULEB (start, end); |
19e6b90e L |
8866 | break; |
8867 | case DW_CFA_def_cfa_offset: | |
cd30bcef | 8868 | SKIP_ULEB (start, end); |
19e6b90e L |
8869 | break; |
8870 | case DW_CFA_def_cfa_expression: | |
cd30bcef | 8871 | READ_ULEB (temp, start, end); |
5929c344 NC |
8872 | new_start = start + temp; |
8873 | if (new_start < start) | |
041830e0 NC |
8874 | { |
8875 | warn (_("Corrupt CFA_def expression value: %lu\n"), temp); | |
8876 | start = block_end; | |
8877 | } | |
8878 | else | |
5929c344 | 8879 | start = new_start; |
19e6b90e L |
8880 | break; |
8881 | case DW_CFA_expression: | |
12eae2d3 | 8882 | case DW_CFA_val_expression: |
cd30bcef AM |
8883 | READ_ULEB (reg, start, end); |
8884 | READ_ULEB (temp, start, end); | |
5929c344 NC |
8885 | new_start = start + temp; |
8886 | if (new_start < start) | |
041830e0 | 8887 | { |
b4eb7656 | 8888 | /* PR 17512: file:306-192417-0.005. */ |
041830e0 NC |
8889 | warn (_("Corrupt CFA expression value: %lu\n"), temp); |
8890 | start = block_end; | |
8891 | } | |
8892 | else | |
5929c344 | 8893 | start = new_start; |
665ce1f6 L |
8894 | if (frame_need_space (fc, reg) >= 0) |
8895 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8896 | break; |
8897 | case DW_CFA_offset_extended_sf: | |
12eae2d3 | 8898 | case DW_CFA_val_offset_sf: |
cd30bcef AM |
8899 | READ_ULEB (reg, start, end); |
8900 | SKIP_SLEB (start, end); | |
665ce1f6 L |
8901 | if (frame_need_space (fc, reg) >= 0) |
8902 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8903 | break; |
8904 | case DW_CFA_def_cfa_sf: | |
cd30bcef AM |
8905 | SKIP_ULEB (start, end); |
8906 | SKIP_SLEB (start, end); | |
19e6b90e L |
8907 | break; |
8908 | case DW_CFA_def_cfa_offset_sf: | |
cd30bcef | 8909 | SKIP_SLEB (start, end); |
19e6b90e L |
8910 | break; |
8911 | case DW_CFA_MIPS_advance_loc8: | |
8912 | start += 8; | |
8913 | break; | |
8914 | case DW_CFA_GNU_args_size: | |
cd30bcef | 8915 | SKIP_ULEB (start, end); |
19e6b90e L |
8916 | break; |
8917 | case DW_CFA_GNU_negative_offset_extended: | |
cd30bcef AM |
8918 | READ_ULEB (reg, start, end); |
8919 | SKIP_ULEB (start, end); | |
665ce1f6 L |
8920 | if (frame_need_space (fc, reg) >= 0) |
8921 | fc->col_type[reg] = DW_CFA_undefined; | |
8922 | break; | |
19e6b90e L |
8923 | default: |
8924 | break; | |
8925 | } | |
8926 | } | |
8927 | start = tmp; | |
8928 | } | |
8929 | ||
5b6312fd NC |
8930 | all_nops = TRUE; |
8931 | ||
19e6b90e L |
8932 | /* Now we know what registers are used, make a second pass over |
8933 | the chunk, this time actually printing out the info. */ | |
8934 | ||
8935 | while (start < block_end) | |
8936 | { | |
362beea4 | 8937 | unsigned char * tmp; |
19e6b90e | 8938 | unsigned op, opa; |
7f2c8a1d NC |
8939 | unsigned long ul, roffs; |
8940 | /* Note: It is tempting to use an unsigned long for 'reg' but there | |
8941 | are various functions, notably frame_space_needed() that assume that | |
8942 | reg is an unsigned int. */ | |
8943 | unsigned int reg; | |
8944 | dwarf_signed_vma l; | |
bf5117e3 | 8945 | dwarf_vma ofs; |
19e6b90e | 8946 | dwarf_vma vma; |
665ce1f6 | 8947 | const char *reg_prefix = ""; |
19e6b90e L |
8948 | |
8949 | op = *start++; | |
8950 | opa = op & 0x3f; | |
8951 | if (op & 0xc0) | |
8952 | op &= 0xc0; | |
8953 | ||
5b6312fd NC |
8954 | /* Make a note if something other than DW_CFA_nop happens. */ |
8955 | if (op != DW_CFA_nop) | |
8956 | all_nops = FALSE; | |
8957 | ||
19e6b90e L |
8958 | /* Warning: if you add any more cases to this switch, be |
8959 | sure to add them to the corresponding switch above. */ | |
8960 | switch (op) | |
8961 | { | |
8962 | case DW_CFA_advance_loc: | |
8963 | if (do_debug_frames_interp) | |
8964 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8965 | else | |
bf5117e3 | 8966 | printf (" DW_CFA_advance_loc: %d to %s\n", |
19e6b90e | 8967 | opa * fc->code_factor, |
b4eb7656 | 8968 | dwarf_vmatoa_1 (NULL, |
bf5117e3 NC |
8969 | fc->pc_begin + opa * fc->code_factor, |
8970 | fc->ptr_size)); | |
19e6b90e L |
8971 | fc->pc_begin += opa * fc->code_factor; |
8972 | break; | |
8973 | ||
8974 | case DW_CFA_offset: | |
cd30bcef | 8975 | READ_ULEB (roffs, start, end); |
665ce1f6 L |
8976 | if (opa >= (unsigned int) fc->ncols) |
8977 | reg_prefix = bad_reg; | |
8978 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8979 | printf (" DW_CFA_offset: %s%s at cfa%+ld\n", | |
8980 | reg_prefix, regname (opa, 0), | |
8981 | roffs * fc->data_factor); | |
8982 | if (*reg_prefix == '\0') | |
8983 | { | |
8984 | fc->col_type[opa] = DW_CFA_offset; | |
8985 | fc->col_offset[opa] = roffs * fc->data_factor; | |
8986 | } | |
19e6b90e L |
8987 | break; |
8988 | ||
8989 | case DW_CFA_restore: | |
50751e18 | 8990 | if (opa >= (unsigned int) fc->ncols) |
665ce1f6 L |
8991 | reg_prefix = bad_reg; |
8992 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8993 | printf (" DW_CFA_restore: %s%s\n", | |
8994 | reg_prefix, regname (opa, 0)); | |
50751e18 AK |
8995 | if (*reg_prefix != '\0') |
8996 | break; | |
8997 | ||
8998 | if (opa >= (unsigned int) cie->ncols | |
8999 | || (do_debug_frames_interp | |
9000 | && cie->col_type[opa] == DW_CFA_unreferenced)) | |
9001 | { | |
9002 | fc->col_type[opa] = DW_CFA_undefined; | |
9003 | fc->col_offset[opa] = 0; | |
9004 | } | |
9005 | else | |
665ce1f6 L |
9006 | { |
9007 | fc->col_type[opa] = cie->col_type[opa]; | |
9008 | fc->col_offset[opa] = cie->col_offset[opa]; | |
9009 | } | |
19e6b90e L |
9010 | break; |
9011 | ||
9012 | case DW_CFA_set_loc: | |
6937bb54 | 9013 | vma = get_encoded_value (&start, fc->fde_encoding, section, block_end); |
19e6b90e L |
9014 | if (do_debug_frames_interp) |
9015 | frame_display_row (fc, &need_col_headers, &max_regs); | |
9016 | else | |
bf5117e3 NC |
9017 | printf (" DW_CFA_set_loc: %s\n", |
9018 | dwarf_vmatoa_1 (NULL, vma, fc->ptr_size)); | |
19e6b90e L |
9019 | fc->pc_begin = vma; |
9020 | break; | |
9021 | ||
9022 | case DW_CFA_advance_loc1: | |
0c588247 | 9023 | SAFE_BYTE_GET_AND_INC (ofs, start, 1, end); |
19e6b90e L |
9024 | if (do_debug_frames_interp) |
9025 | frame_display_row (fc, &need_col_headers, &max_regs); | |
9026 | else | |
bf5117e3 NC |
9027 | printf (" DW_CFA_advance_loc1: %ld to %s\n", |
9028 | (unsigned long) (ofs * fc->code_factor), | |
9029 | dwarf_vmatoa_1 (NULL, | |
9030 | fc->pc_begin + ofs * fc->code_factor, | |
9031 | fc->ptr_size)); | |
19e6b90e L |
9032 | fc->pc_begin += ofs * fc->code_factor; |
9033 | break; | |
9034 | ||
9035 | case DW_CFA_advance_loc2: | |
6937bb54 | 9036 | SAFE_BYTE_GET_AND_INC (ofs, start, 2, block_end); |
19e6b90e L |
9037 | if (do_debug_frames_interp) |
9038 | frame_display_row (fc, &need_col_headers, &max_regs); | |
9039 | else | |
bf5117e3 NC |
9040 | printf (" DW_CFA_advance_loc2: %ld to %s\n", |
9041 | (unsigned long) (ofs * fc->code_factor), | |
9042 | dwarf_vmatoa_1 (NULL, | |
9043 | fc->pc_begin + ofs * fc->code_factor, | |
9044 | fc->ptr_size)); | |
19e6b90e L |
9045 | fc->pc_begin += ofs * fc->code_factor; |
9046 | break; | |
9047 | ||
9048 | case DW_CFA_advance_loc4: | |
6937bb54 | 9049 | SAFE_BYTE_GET_AND_INC (ofs, start, 4, block_end); |
19e6b90e L |
9050 | if (do_debug_frames_interp) |
9051 | frame_display_row (fc, &need_col_headers, &max_regs); | |
9052 | else | |
bf5117e3 NC |
9053 | printf (" DW_CFA_advance_loc4: %ld to %s\n", |
9054 | (unsigned long) (ofs * fc->code_factor), | |
9055 | dwarf_vmatoa_1 (NULL, | |
9056 | fc->pc_begin + ofs * fc->code_factor, | |
9057 | fc->ptr_size)); | |
19e6b90e L |
9058 | fc->pc_begin += ofs * fc->code_factor; |
9059 | break; | |
9060 | ||
9061 | case DW_CFA_offset_extended: | |
cd30bcef AM |
9062 | READ_ULEB (reg, start, end); |
9063 | READ_ULEB (roffs, start, end); | |
665ce1f6 L |
9064 | if (reg >= (unsigned int) fc->ncols) |
9065 | reg_prefix = bad_reg; | |
9066 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
9067 | printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n", | |
9068 | reg_prefix, regname (reg, 0), | |
9069 | roffs * fc->data_factor); | |
9070 | if (*reg_prefix == '\0') | |
9071 | { | |
9072 | fc->col_type[reg] = DW_CFA_offset; | |
9073 | fc->col_offset[reg] = roffs * fc->data_factor; | |
9074 | } | |
19e6b90e L |
9075 | break; |
9076 | ||
12eae2d3 | 9077 | case DW_CFA_val_offset: |
cd30bcef AM |
9078 | READ_ULEB (reg, start, end); |
9079 | READ_ULEB (roffs, start, end); | |
665ce1f6 L |
9080 | if (reg >= (unsigned int) fc->ncols) |
9081 | reg_prefix = bad_reg; | |
9082 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
084303b8 | 9083 | printf (" DW_CFA_val_offset: %s%s is cfa%+ld\n", |
665ce1f6 L |
9084 | reg_prefix, regname (reg, 0), |
9085 | roffs * fc->data_factor); | |
9086 | if (*reg_prefix == '\0') | |
9087 | { | |
9088 | fc->col_type[reg] = DW_CFA_val_offset; | |
9089 | fc->col_offset[reg] = roffs * fc->data_factor; | |
9090 | } | |
12eae2d3 JJ |
9091 | break; |
9092 | ||
19e6b90e | 9093 | case DW_CFA_restore_extended: |
cd30bcef | 9094 | READ_ULEB (reg, start, end); |
50751e18 | 9095 | if (reg >= (unsigned int) fc->ncols) |
665ce1f6 L |
9096 | reg_prefix = bad_reg; |
9097 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
9098 | printf (" DW_CFA_restore_extended: %s%s\n", | |
9099 | reg_prefix, regname (reg, 0)); | |
50751e18 AK |
9100 | if (*reg_prefix != '\0') |
9101 | break; | |
9102 | ||
9103 | if (reg >= (unsigned int) cie->ncols) | |
9104 | { | |
9105 | fc->col_type[reg] = DW_CFA_undefined; | |
9106 | fc->col_offset[reg] = 0; | |
9107 | } | |
9108 | else | |
665ce1f6 L |
9109 | { |
9110 | fc->col_type[reg] = cie->col_type[reg]; | |
9111 | fc->col_offset[reg] = cie->col_offset[reg]; | |
9112 | } | |
19e6b90e L |
9113 | break; |
9114 | ||
9115 | case DW_CFA_undefined: | |
cd30bcef | 9116 | READ_ULEB (reg, start, end); |
665ce1f6 L |
9117 | if (reg >= (unsigned int) fc->ncols) |
9118 | reg_prefix = bad_reg; | |
9119 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
9120 | printf (" DW_CFA_undefined: %s%s\n", | |
9121 | reg_prefix, regname (reg, 0)); | |
9122 | if (*reg_prefix == '\0') | |
9123 | { | |
9124 | fc->col_type[reg] = DW_CFA_undefined; | |
9125 | fc->col_offset[reg] = 0; | |
9126 | } | |
19e6b90e L |
9127 | break; |
9128 | ||
9129 | case DW_CFA_same_value: | |
cd30bcef | 9130 | READ_ULEB (reg, start, end); |
665ce1f6 L |
9131 | if (reg >= (unsigned int) fc->ncols) |
9132 | reg_prefix = bad_reg; | |
9133 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
9134 | printf (" DW_CFA_same_value: %s%s\n", | |
9135 | reg_prefix, regname (reg, 0)); | |
9136 | if (*reg_prefix == '\0') | |
9137 | { | |
9138 | fc->col_type[reg] = DW_CFA_same_value; | |
9139 | fc->col_offset[reg] = 0; | |
9140 | } | |
19e6b90e L |
9141 | break; |
9142 | ||
9143 | case DW_CFA_register: | |
cd30bcef AM |
9144 | READ_ULEB (reg, start, end); |
9145 | READ_ULEB (roffs, start, end); | |
665ce1f6 L |
9146 | if (reg >= (unsigned int) fc->ncols) |
9147 | reg_prefix = bad_reg; | |
9148 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
2dc4cec1 | 9149 | { |
665ce1f6 L |
9150 | printf (" DW_CFA_register: %s%s in ", |
9151 | reg_prefix, regname (reg, 0)); | |
2dc4cec1 L |
9152 | puts (regname (roffs, 0)); |
9153 | } | |
665ce1f6 L |
9154 | if (*reg_prefix == '\0') |
9155 | { | |
9156 | fc->col_type[reg] = DW_CFA_register; | |
9157 | fc->col_offset[reg] = roffs; | |
9158 | } | |
19e6b90e L |
9159 | break; |
9160 | ||
9161 | case DW_CFA_remember_state: | |
9162 | if (! do_debug_frames_interp) | |
9163 | printf (" DW_CFA_remember_state\n"); | |
3f5e193b | 9164 | rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
b4eb7656 | 9165 | rs->cfa_offset = fc->cfa_offset; |
d71ad7fc RC |
9166 | rs->cfa_reg = fc->cfa_reg; |
9167 | rs->ra = fc->ra; | |
9168 | rs->cfa_exp = fc->cfa_exp; | |
19e6b90e | 9169 | rs->ncols = fc->ncols; |
3f5e193b | 9170 | rs->col_type = (short int *) xcmalloc (rs->ncols, |
b4eb7656 | 9171 | sizeof (* rs->col_type)); |
d71ad7fc RC |
9172 | rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (* rs->col_offset)); |
9173 | memcpy (rs->col_type, fc->col_type, rs->ncols * sizeof (* fc->col_type)); | |
9174 | memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (* fc->col_offset)); | |
19e6b90e L |
9175 | rs->next = remembered_state; |
9176 | remembered_state = rs; | |
9177 | break; | |
9178 | ||
9179 | case DW_CFA_restore_state: | |
9180 | if (! do_debug_frames_interp) | |
9181 | printf (" DW_CFA_restore_state\n"); | |
9182 | rs = remembered_state; | |
9183 | if (rs) | |
9184 | { | |
9185 | remembered_state = rs->next; | |
d71ad7fc RC |
9186 | fc->cfa_offset = rs->cfa_offset; |
9187 | fc->cfa_reg = rs->cfa_reg; | |
b4eb7656 AM |
9188 | fc->ra = rs->ra; |
9189 | fc->cfa_exp = rs->cfa_exp; | |
06614111 NC |
9190 | if (frame_need_space (fc, rs->ncols - 1) < 0) |
9191 | { | |
1306a742 | 9192 | warn (_("Invalid column number in saved frame state\n")); |
06614111 NC |
9193 | fc->ncols = 0; |
9194 | break; | |
9195 | } | |
d71ad7fc | 9196 | memcpy (fc->col_type, rs->col_type, rs->ncols * sizeof (* rs->col_type)); |
19e6b90e | 9197 | memcpy (fc->col_offset, rs->col_offset, |
d71ad7fc | 9198 | rs->ncols * sizeof (* rs->col_offset)); |
19e6b90e L |
9199 | free (rs->col_type); |
9200 | free (rs->col_offset); | |
9201 | free (rs); | |
9202 | } | |
9203 | else if (do_debug_frames_interp) | |
9204 | printf ("Mismatched DW_CFA_restore_state\n"); | |
9205 | break; | |
9206 | ||
9207 | case DW_CFA_def_cfa: | |
cd30bcef AM |
9208 | READ_ULEB (fc->cfa_reg, start, end); |
9209 | READ_ULEB (fc->cfa_offset, start, end); | |
19e6b90e L |
9210 | fc->cfa_exp = 0; |
9211 | if (! do_debug_frames_interp) | |
2dc4cec1 | 9212 | printf (" DW_CFA_def_cfa: %s ofs %d\n", |
c8071705 | 9213 | regname (fc->cfa_reg, 0), (int) fc->cfa_offset); |
19e6b90e L |
9214 | break; |
9215 | ||
9216 | case DW_CFA_def_cfa_register: | |
cd30bcef | 9217 | READ_ULEB (fc->cfa_reg, start, end); |
19e6b90e L |
9218 | fc->cfa_exp = 0; |
9219 | if (! do_debug_frames_interp) | |
2dc4cec1 L |
9220 | printf (" DW_CFA_def_cfa_register: %s\n", |
9221 | regname (fc->cfa_reg, 0)); | |
19e6b90e L |
9222 | break; |
9223 | ||
9224 | case DW_CFA_def_cfa_offset: | |
cd30bcef | 9225 | READ_ULEB (fc->cfa_offset, start, end); |
19e6b90e | 9226 | if (! do_debug_frames_interp) |
c8071705 | 9227 | printf (" DW_CFA_def_cfa_offset: %d\n", (int) fc->cfa_offset); |
19e6b90e L |
9228 | break; |
9229 | ||
9230 | case DW_CFA_nop: | |
9231 | if (! do_debug_frames_interp) | |
9232 | printf (" DW_CFA_nop\n"); | |
9233 | break; | |
9234 | ||
9235 | case DW_CFA_def_cfa_expression: | |
cd30bcef | 9236 | READ_ULEB (ul, start, end); |
7460c0ab | 9237 | if (start >= block_end || ul > (unsigned long) (block_end - start)) |
6937bb54 | 9238 | { |
a1165289 | 9239 | printf (_(" DW_CFA_def_cfa_expression: <corrupt len %lu>\n"), ul); |
6937bb54 NC |
9240 | break; |
9241 | } | |
19e6b90e L |
9242 | if (! do_debug_frames_interp) |
9243 | { | |
9244 | printf (" DW_CFA_def_cfa_expression ("); | |
b7807392 JJ |
9245 | decode_location_expression (start, eh_addr_size, 0, -1, |
9246 | ul, 0, section); | |
19e6b90e L |
9247 | printf (")\n"); |
9248 | } | |
9249 | fc->cfa_exp = 1; | |
9250 | start += ul; | |
9251 | break; | |
9252 | ||
9253 | case DW_CFA_expression: | |
cd30bcef AM |
9254 | READ_ULEB (reg, start, end); |
9255 | READ_ULEB (ul, start, end); | |
665ce1f6 L |
9256 | if (reg >= (unsigned int) fc->ncols) |
9257 | reg_prefix = bad_reg; | |
6937bb54 | 9258 | /* PR 17512: file: 069-133014-0.006. */ |
06614111 | 9259 | /* PR 17512: file: 98c02eb4. */ |
362beea4 NC |
9260 | tmp = start + ul; |
9261 | if (start >= block_end || tmp > block_end || tmp < start) | |
6937bb54 | 9262 | { |
a1165289 | 9263 | printf (_(" DW_CFA_expression: <corrupt len %lu>\n"), ul); |
6937bb54 NC |
9264 | break; |
9265 | } | |
665ce1f6 | 9266 | if (! do_debug_frames_interp || *reg_prefix != '\0') |
19e6b90e | 9267 | { |
665ce1f6 L |
9268 | printf (" DW_CFA_expression: %s%s (", |
9269 | reg_prefix, regname (reg, 0)); | |
b7807392 | 9270 | decode_location_expression (start, eh_addr_size, 0, -1, |
f1c4cc75 | 9271 | ul, 0, section); |
19e6b90e L |
9272 | printf (")\n"); |
9273 | } | |
665ce1f6 L |
9274 | if (*reg_prefix == '\0') |
9275 | fc->col_type[reg] = DW_CFA_expression; | |
362beea4 | 9276 | start = tmp; |
19e6b90e L |
9277 | break; |
9278 | ||
12eae2d3 | 9279 | case DW_CFA_val_expression: |
cd30bcef AM |
9280 | READ_ULEB (reg, start, end); |
9281 | READ_ULEB (ul, start, end); | |
665ce1f6 L |
9282 | if (reg >= (unsigned int) fc->ncols) |
9283 | reg_prefix = bad_reg; | |
362beea4 NC |
9284 | tmp = start + ul; |
9285 | if (start >= block_end || tmp > block_end || tmp < start) | |
6937bb54 | 9286 | { |
a1165289 | 9287 | printf (" DW_CFA_val_expression: <corrupt len %lu>\n", ul); |
6937bb54 NC |
9288 | break; |
9289 | } | |
665ce1f6 | 9290 | if (! do_debug_frames_interp || *reg_prefix != '\0') |
12eae2d3 | 9291 | { |
665ce1f6 L |
9292 | printf (" DW_CFA_val_expression: %s%s (", |
9293 | reg_prefix, regname (reg, 0)); | |
b7807392 JJ |
9294 | decode_location_expression (start, eh_addr_size, 0, -1, |
9295 | ul, 0, section); | |
12eae2d3 JJ |
9296 | printf (")\n"); |
9297 | } | |
665ce1f6 L |
9298 | if (*reg_prefix == '\0') |
9299 | fc->col_type[reg] = DW_CFA_val_expression; | |
362beea4 | 9300 | start = tmp; |
12eae2d3 JJ |
9301 | break; |
9302 | ||
19e6b90e | 9303 | case DW_CFA_offset_extended_sf: |
cd30bcef AM |
9304 | READ_ULEB (reg, start, end); |
9305 | READ_SLEB (l, start, end); | |
665ce1f6 L |
9306 | if (frame_need_space (fc, reg) < 0) |
9307 | reg_prefix = bad_reg; | |
9308 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
9309 | printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n", | |
9310 | reg_prefix, regname (reg, 0), | |
c8071705 | 9311 | (long)(l * fc->data_factor)); |
665ce1f6 L |
9312 | if (*reg_prefix == '\0') |
9313 | { | |
9314 | fc->col_type[reg] = DW_CFA_offset; | |
9315 | fc->col_offset[reg] = l * fc->data_factor; | |
9316 | } | |
19e6b90e L |
9317 | break; |
9318 | ||
12eae2d3 | 9319 | case DW_CFA_val_offset_sf: |
cd30bcef AM |
9320 | READ_ULEB (reg, start, end); |
9321 | READ_SLEB (l, start, end); | |
665ce1f6 L |
9322 | if (frame_need_space (fc, reg) < 0) |
9323 | reg_prefix = bad_reg; | |
9324 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
084303b8 | 9325 | printf (" DW_CFA_val_offset_sf: %s%s is cfa%+ld\n", |
665ce1f6 | 9326 | reg_prefix, regname (reg, 0), |
c8071705 | 9327 | (long)(l * fc->data_factor)); |
665ce1f6 L |
9328 | if (*reg_prefix == '\0') |
9329 | { | |
9330 | fc->col_type[reg] = DW_CFA_val_offset; | |
9331 | fc->col_offset[reg] = l * fc->data_factor; | |
9332 | } | |
12eae2d3 JJ |
9333 | break; |
9334 | ||
19e6b90e | 9335 | case DW_CFA_def_cfa_sf: |
cd30bcef AM |
9336 | READ_ULEB (fc->cfa_reg, start, end); |
9337 | READ_ULEB (fc->cfa_offset, start, end); | |
19e6b90e L |
9338 | fc->cfa_offset = fc->cfa_offset * fc->data_factor; |
9339 | fc->cfa_exp = 0; | |
9340 | if (! do_debug_frames_interp) | |
2dc4cec1 | 9341 | printf (" DW_CFA_def_cfa_sf: %s ofs %d\n", |
c8071705 | 9342 | regname (fc->cfa_reg, 0), (int) fc->cfa_offset); |
19e6b90e L |
9343 | break; |
9344 | ||
9345 | case DW_CFA_def_cfa_offset_sf: | |
cd30bcef | 9346 | READ_ULEB (fc->cfa_offset, start, end); |
c8071705 | 9347 | fc->cfa_offset *= fc->data_factor; |
19e6b90e | 9348 | if (! do_debug_frames_interp) |
c8071705 | 9349 | printf (" DW_CFA_def_cfa_offset_sf: %d\n", (int) fc->cfa_offset); |
19e6b90e L |
9350 | break; |
9351 | ||
9352 | case DW_CFA_MIPS_advance_loc8: | |
6937bb54 | 9353 | SAFE_BYTE_GET_AND_INC (ofs, start, 8, block_end); |
19e6b90e L |
9354 | if (do_debug_frames_interp) |
9355 | frame_display_row (fc, &need_col_headers, &max_regs); | |
9356 | else | |
bf5117e3 NC |
9357 | printf (" DW_CFA_MIPS_advance_loc8: %ld to %s\n", |
9358 | (unsigned long) (ofs * fc->code_factor), | |
9359 | dwarf_vmatoa_1 (NULL, | |
9360 | fc->pc_begin + ofs * fc->code_factor, | |
9361 | fc->ptr_size)); | |
19e6b90e L |
9362 | fc->pc_begin += ofs * fc->code_factor; |
9363 | break; | |
9364 | ||
9365 | case DW_CFA_GNU_window_save: | |
9366 | if (! do_debug_frames_interp) | |
9367 | printf (" DW_CFA_GNU_window_save\n"); | |
9368 | break; | |
9369 | ||
9370 | case DW_CFA_GNU_args_size: | |
cd30bcef | 9371 | READ_ULEB (ul, start, end); |
19e6b90e L |
9372 | if (! do_debug_frames_interp) |
9373 | printf (" DW_CFA_GNU_args_size: %ld\n", ul); | |
9374 | break; | |
9375 | ||
9376 | case DW_CFA_GNU_negative_offset_extended: | |
cd30bcef AM |
9377 | READ_ULEB (reg, start, end); |
9378 | READ_SLEB (l, start, end); | |
7f2c8a1d | 9379 | l = - l; |
665ce1f6 L |
9380 | if (frame_need_space (fc, reg) < 0) |
9381 | reg_prefix = bad_reg; | |
9382 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
9383 | printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n", | |
9384 | reg_prefix, regname (reg, 0), | |
c8071705 | 9385 | (long)(l * fc->data_factor)); |
665ce1f6 L |
9386 | if (*reg_prefix == '\0') |
9387 | { | |
9388 | fc->col_type[reg] = DW_CFA_offset; | |
9389 | fc->col_offset[reg] = l * fc->data_factor; | |
9390 | } | |
19e6b90e L |
9391 | break; |
9392 | ||
9393 | default: | |
53b8873b NC |
9394 | if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user) |
9395 | printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op); | |
9396 | else | |
f41e4712 | 9397 | warn (_("Unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op); |
19e6b90e L |
9398 | start = block_end; |
9399 | } | |
9400 | } | |
9401 | ||
5b6312fd NC |
9402 | /* Interpret the CFA - as long as it is not completely full of NOPs. */ |
9403 | if (do_debug_frames_interp && ! all_nops) | |
19e6b90e L |
9404 | frame_display_row (fc, &need_col_headers, &max_regs); |
9405 | ||
a788aedd AM |
9406 | if (fde_fc.col_type != NULL) |
9407 | { | |
9408 | free (fde_fc.col_type); | |
9409 | fde_fc.col_type = NULL; | |
9410 | } | |
9411 | if (fde_fc.col_offset != NULL) | |
9412 | { | |
9413 | free (fde_fc.col_offset); | |
9414 | fde_fc.col_offset = NULL; | |
9415 | } | |
9416 | ||
19e6b90e | 9417 | start = block_end; |
604282a7 | 9418 | eh_addr_size = saved_eh_addr_size; |
19e6b90e L |
9419 | } |
9420 | ||
9421 | printf ("\n"); | |
9422 | ||
3391569f NC |
9423 | while (remembered_state != NULL) |
9424 | { | |
9425 | rs = remembered_state; | |
9426 | remembered_state = rs->next; | |
9427 | free (rs->col_type); | |
9428 | free (rs->col_offset); | |
9429 | rs->next = NULL; /* Paranoia. */ | |
9430 | free (rs); | |
9431 | } | |
9432 | ||
9433 | while (chunks != NULL) | |
9434 | { | |
9435 | rs = chunks; | |
9436 | chunks = rs->next; | |
9437 | free (rs->col_type); | |
9438 | free (rs->col_offset); | |
9439 | rs->next = NULL; /* Paranoia. */ | |
9440 | free (rs); | |
9441 | } | |
9442 | ||
9443 | while (forward_refs != NULL) | |
9444 | { | |
9445 | rs = forward_refs; | |
9446 | forward_refs = rs->next; | |
9447 | free (rs->col_type); | |
9448 | free (rs->col_offset); | |
9449 | rs->next = NULL; /* Paranoia. */ | |
9450 | free (rs); | |
9451 | } | |
9452 | ||
19e6b90e L |
9453 | return 1; |
9454 | } | |
9455 | ||
9456 | #undef GET | |
19e6b90e | 9457 | |
61364358 JK |
9458 | static int |
9459 | display_debug_names (struct dwarf_section *section, void *file) | |
9460 | { | |
9461 | unsigned char *hdrptr = section->start; | |
9462 | dwarf_vma unit_length; | |
9463 | unsigned char *unit_start; | |
9464 | const unsigned char *const section_end = section->start + section->size; | |
9465 | unsigned char *unit_end; | |
9466 | ||
dda8d76d | 9467 | introduce (section, FALSE); |
61364358 | 9468 | |
dda8d76d | 9469 | load_debug_section_with_follow (str, file); |
61364358 JK |
9470 | |
9471 | for (; hdrptr < section_end; hdrptr = unit_end) | |
9472 | { | |
9473 | unsigned int offset_size; | |
9474 | uint16_t dwarf_version, padding; | |
9475 | uint32_t comp_unit_count, local_type_unit_count, foreign_type_unit_count; | |
9476 | uint32_t bucket_count, name_count, abbrev_table_size; | |
9477 | uint32_t augmentation_string_size; | |
9478 | unsigned int i; | |
e98fdf1a | 9479 | unsigned long sec_off; |
48467cb9 TV |
9480 | bfd_boolean augmentation_printable; |
9481 | const char *augmentation_string; | |
61364358 JK |
9482 | |
9483 | unit_start = hdrptr; | |
9484 | ||
9485 | /* Get and check the length of the block. */ | |
9486 | SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 4, section_end); | |
9487 | ||
9488 | if (unit_length == 0xffffffff) | |
9489 | { | |
9490 | /* This section is 64-bit DWARF. */ | |
9491 | SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 8, section_end); | |
9492 | offset_size = 8; | |
9493 | } | |
9494 | else | |
9495 | offset_size = 4; | |
9496 | unit_end = hdrptr + unit_length; | |
9497 | ||
e98fdf1a AM |
9498 | sec_off = hdrptr - section->start; |
9499 | if (sec_off + unit_length < sec_off | |
9500 | || sec_off + unit_length > section->size) | |
61364358 | 9501 | { |
e98fdf1a AM |
9502 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), |
9503 | section->name, | |
9504 | (unsigned long) (unit_start - section->start), | |
9505 | dwarf_vmatoa ("x", unit_length)); | |
61364358 JK |
9506 | return 0; |
9507 | } | |
9508 | ||
9509 | /* Get and check the version number. */ | |
9510 | SAFE_BYTE_GET_AND_INC (dwarf_version, hdrptr, 2, unit_end); | |
9511 | printf (_("Version %ld\n"), (long) dwarf_version); | |
9512 | ||
9513 | /* Prior versions did not exist, and future versions may not be | |
9514 | backwards compatible. */ | |
9515 | if (dwarf_version != 5) | |
9516 | { | |
9517 | warn (_("Only DWARF version 5 .debug_names " | |
9518 | "is currently supported.\n")); | |
9519 | return 0; | |
9520 | } | |
9521 | ||
9522 | SAFE_BYTE_GET_AND_INC (padding, hdrptr, 2, unit_end); | |
9523 | if (padding != 0) | |
9524 | warn (_("Padding field of .debug_names must be 0 (found 0x%x)\n"), | |
9525 | padding); | |
9526 | ||
9527 | SAFE_BYTE_GET_AND_INC (comp_unit_count, hdrptr, 4, unit_end); | |
9528 | if (comp_unit_count == 0) | |
9529 | warn (_("Compilation unit count must be >= 1 in .debug_names\n")); | |
9530 | ||
9531 | SAFE_BYTE_GET_AND_INC (local_type_unit_count, hdrptr, 4, unit_end); | |
9532 | SAFE_BYTE_GET_AND_INC (foreign_type_unit_count, hdrptr, 4, unit_end); | |
9533 | SAFE_BYTE_GET_AND_INC (bucket_count, hdrptr, 4, unit_end); | |
9534 | SAFE_BYTE_GET_AND_INC (name_count, hdrptr, 4, unit_end); | |
9535 | SAFE_BYTE_GET_AND_INC (abbrev_table_size, hdrptr, 4, unit_end); | |
9536 | ||
9537 | SAFE_BYTE_GET_AND_INC (augmentation_string_size, hdrptr, 4, unit_end); | |
9538 | if (augmentation_string_size % 4 != 0) | |
9539 | { | |
9540 | warn (_("Augmentation string length %u must be rounded up " | |
9541 | "to a multiple of 4 in .debug_names.\n"), | |
9542 | augmentation_string_size); | |
9543 | augmentation_string_size += (-augmentation_string_size) & 3; | |
9544 | } | |
48467cb9 | 9545 | |
61364358 | 9546 | printf (_("Augmentation string:")); |
48467cb9 TV |
9547 | |
9548 | augmentation_printable = TRUE; | |
9549 | augmentation_string = (const char *) hdrptr; | |
9550 | ||
61364358 JK |
9551 | for (i = 0; i < augmentation_string_size; i++) |
9552 | { | |
9553 | unsigned char uc; | |
9554 | ||
9555 | SAFE_BYTE_GET_AND_INC (uc, hdrptr, 1, unit_end); | |
9556 | printf (" %02x", uc); | |
48467cb9 TV |
9557 | |
9558 | if (uc != 0 && !ISPRINT (uc)) | |
9559 | augmentation_printable = FALSE; | |
9560 | } | |
9561 | ||
9562 | if (augmentation_printable) | |
9563 | { | |
9564 | printf (" (\""); | |
9565 | for (i = 0; | |
9566 | i < augmentation_string_size && augmentation_string[i]; | |
9567 | ++i) | |
9568 | putchar (augmentation_string[i]); | |
9569 | printf ("\")"); | |
61364358 | 9570 | } |
61364358 JK |
9571 | putchar ('\n'); |
9572 | ||
9573 | printf (_("CU table:\n")); | |
9574 | for (i = 0; i < comp_unit_count; i++) | |
9575 | { | |
9576 | uint64_t cu_offset; | |
9577 | ||
9578 | SAFE_BYTE_GET_AND_INC (cu_offset, hdrptr, offset_size, unit_end); | |
9579 | printf (_("[%3u] 0x%lx\n"), i, (unsigned long) cu_offset); | |
9580 | } | |
9581 | putchar ('\n'); | |
9582 | ||
9583 | printf (_("TU table:\n")); | |
9584 | for (i = 0; i < local_type_unit_count; i++) | |
9585 | { | |
9586 | uint64_t tu_offset; | |
9587 | ||
9588 | SAFE_BYTE_GET_AND_INC (tu_offset, hdrptr, offset_size, unit_end); | |
9589 | printf (_("[%3u] 0x%lx\n"), i, (unsigned long) tu_offset); | |
9590 | } | |
9591 | putchar ('\n'); | |
9592 | ||
9593 | printf (_("Foreign TU table:\n")); | |
9594 | for (i = 0; i < foreign_type_unit_count; i++) | |
9595 | { | |
9596 | uint64_t signature; | |
9597 | ||
9598 | SAFE_BYTE_GET_AND_INC (signature, hdrptr, 8, unit_end); | |
9599 | printf (_("[%3u] "), i); | |
9600 | print_dwarf_vma (signature, 8); | |
9601 | putchar ('\n'); | |
9602 | } | |
9603 | putchar ('\n'); | |
9604 | ||
9605 | const uint32_t *const hash_table_buckets = (uint32_t *) hdrptr; | |
9606 | hdrptr += bucket_count * sizeof (uint32_t); | |
9607 | const uint32_t *const hash_table_hashes = (uint32_t *) hdrptr; | |
9608 | hdrptr += name_count * sizeof (uint32_t); | |
9609 | unsigned char *const name_table_string_offsets = hdrptr; | |
9610 | hdrptr += name_count * offset_size; | |
9611 | unsigned char *const name_table_entry_offsets = hdrptr; | |
9612 | hdrptr += name_count * offset_size; | |
9613 | unsigned char *const abbrev_table = hdrptr; | |
9614 | hdrptr += abbrev_table_size; | |
9615 | const unsigned char *const abbrev_table_end = hdrptr; | |
9616 | unsigned char *const entry_pool = hdrptr; | |
9617 | if (hdrptr > unit_end) | |
9618 | { | |
9619 | warn (_("Entry pool offset (0x%lx) exceeds unit size 0x%lx " | |
9620 | "for unit 0x%lx in the debug_names\n"), | |
9621 | (long) (hdrptr - section->start), | |
9622 | (long) (unit_end - section->start), | |
9623 | (long) (unit_start - section->start)); | |
9624 | return 0; | |
9625 | } | |
9626 | ||
9627 | size_t buckets_filled = 0; | |
9628 | size_t bucketi; | |
9629 | for (bucketi = 0; bucketi < bucket_count; bucketi++) | |
9630 | { | |
9631 | const uint32_t bucket = hash_table_buckets[bucketi]; | |
9632 | ||
9633 | if (bucket != 0) | |
9634 | ++buckets_filled; | |
9635 | } | |
d3a49aa8 AM |
9636 | printf (ngettext ("Used %zu of %lu bucket.\n", |
9637 | "Used %zu of %lu buckets.\n", | |
9638 | bucket_count), | |
9639 | buckets_filled, (unsigned long) bucket_count); | |
61364358 | 9640 | |
0a79bef4 | 9641 | uint32_t hash_prev = 0; |
61364358 JK |
9642 | size_t hash_clash_count = 0; |
9643 | size_t longest_clash = 0; | |
9644 | size_t this_length = 0; | |
9645 | size_t hashi; | |
9646 | for (hashi = 0; hashi < name_count; hashi++) | |
9647 | { | |
9648 | const uint32_t hash_this = hash_table_hashes[hashi]; | |
9649 | ||
9650 | if (hashi > 0) | |
9651 | { | |
9652 | if (hash_prev % bucket_count == hash_this % bucket_count) | |
9653 | { | |
9654 | ++hash_clash_count; | |
9655 | ++this_length; | |
9656 | longest_clash = MAX (longest_clash, this_length); | |
9657 | } | |
9658 | else | |
9659 | this_length = 0; | |
9660 | } | |
9661 | hash_prev = hash_this; | |
9662 | } | |
9663 | printf (_("Out of %lu items there are %zu bucket clashes" | |
9664 | " (longest of %zu entries).\n"), | |
9665 | (unsigned long) name_count, hash_clash_count, longest_clash); | |
9666 | assert (name_count == buckets_filled + hash_clash_count); | |
9667 | ||
9668 | struct abbrev_lookup_entry | |
9669 | { | |
9670 | dwarf_vma abbrev_tag; | |
9671 | unsigned char *abbrev_lookup_ptr; | |
9672 | }; | |
9673 | struct abbrev_lookup_entry *abbrev_lookup = NULL; | |
9674 | size_t abbrev_lookup_used = 0; | |
9675 | size_t abbrev_lookup_allocated = 0; | |
9676 | ||
9677 | unsigned char *abbrevptr = abbrev_table; | |
9678 | for (;;) | |
9679 | { | |
cd30bcef AM |
9680 | dwarf_vma abbrev_tag; |
9681 | ||
9682 | READ_ULEB (abbrev_tag, abbrevptr, abbrev_table_end); | |
61364358 JK |
9683 | if (abbrev_tag == 0) |
9684 | break; | |
9685 | if (abbrev_lookup_used == abbrev_lookup_allocated) | |
9686 | { | |
9687 | abbrev_lookup_allocated = MAX (0x100, | |
9688 | abbrev_lookup_allocated * 2); | |
9689 | abbrev_lookup = xrealloc (abbrev_lookup, | |
9690 | (abbrev_lookup_allocated | |
9691 | * sizeof (*abbrev_lookup))); | |
9692 | } | |
9693 | assert (abbrev_lookup_used < abbrev_lookup_allocated); | |
9694 | struct abbrev_lookup_entry *entry; | |
9695 | for (entry = abbrev_lookup; | |
9696 | entry < abbrev_lookup + abbrev_lookup_used; | |
9697 | entry++) | |
9698 | if (entry->abbrev_tag == abbrev_tag) | |
9699 | { | |
9700 | warn (_("Duplicate abbreviation tag %lu " | |
9701 | "in unit 0x%lx in the debug_names\n"), | |
9702 | (long) abbrev_tag, (long) (unit_start - section->start)); | |
9703 | break; | |
9704 | } | |
9705 | entry = &abbrev_lookup[abbrev_lookup_used++]; | |
9706 | entry->abbrev_tag = abbrev_tag; | |
9707 | entry->abbrev_lookup_ptr = abbrevptr; | |
9708 | ||
9709 | /* Skip DWARF tag. */ | |
cd30bcef | 9710 | SKIP_ULEB (abbrevptr, abbrev_table_end); |
61364358 JK |
9711 | for (;;) |
9712 | { | |
cd30bcef AM |
9713 | dwarf_vma xindex, form; |
9714 | ||
9715 | READ_ULEB (xindex, abbrevptr, abbrev_table_end); | |
9716 | READ_ULEB (form, abbrevptr, abbrev_table_end); | |
1d827a72 | 9717 | if (xindex == 0 && form == 0) |
61364358 JK |
9718 | break; |
9719 | } | |
9720 | } | |
9721 | ||
9722 | printf (_("\nSymbol table:\n")); | |
9723 | uint32_t namei; | |
9724 | for (namei = 0; namei < name_count; ++namei) | |
9725 | { | |
9726 | uint64_t string_offset, entry_offset; | |
9727 | ||
9728 | SAFE_BYTE_GET (string_offset, | |
9729 | name_table_string_offsets + namei * offset_size, | |
9730 | offset_size, unit_end); | |
9731 | SAFE_BYTE_GET (entry_offset, | |
9732 | name_table_entry_offsets + namei * offset_size, | |
9733 | offset_size, unit_end); | |
9734 | ||
9735 | printf ("[%3u] #%08x %s:", namei, hash_table_hashes[namei], | |
9736 | fetch_indirect_string (string_offset)); | |
9737 | ||
9738 | unsigned char *entryptr = entry_pool + entry_offset; | |
9739 | ||
279edac5 AM |
9740 | /* We need to scan first whether there is a single or multiple |
9741 | entries. TAGNO is -2 for the first entry, it is -1 for the | |
9742 | initial tag read of the second entry, then it becomes 0 for the | |
9743 | first entry for real printing etc. */ | |
61364358 JK |
9744 | int tagno = -2; |
9745 | /* Initialize it due to a false compiler warning. */ | |
9746 | dwarf_vma second_abbrev_tag = -1; | |
9747 | for (;;) | |
9748 | { | |
cd30bcef AM |
9749 | dwarf_vma abbrev_tag; |
9750 | dwarf_vma dwarf_tag; | |
9751 | const struct abbrev_lookup_entry *entry; | |
9752 | ||
9753 | READ_ULEB (abbrev_tag, entryptr, unit_end); | |
61364358 JK |
9754 | if (tagno == -1) |
9755 | { | |
9756 | second_abbrev_tag = abbrev_tag; | |
9757 | tagno = 0; | |
9758 | entryptr = entry_pool + entry_offset; | |
9759 | continue; | |
9760 | } | |
9761 | if (abbrev_tag == 0) | |
9762 | break; | |
9763 | if (tagno >= 0) | |
9764 | printf ("%s<%lu>", | |
9765 | (tagno == 0 && second_abbrev_tag == 0 ? " " : "\n\t"), | |
9766 | (unsigned long) abbrev_tag); | |
9767 | ||
61364358 JK |
9768 | for (entry = abbrev_lookup; |
9769 | entry < abbrev_lookup + abbrev_lookup_used; | |
9770 | entry++) | |
9771 | if (entry->abbrev_tag == abbrev_tag) | |
9772 | break; | |
9773 | if (entry >= abbrev_lookup + abbrev_lookup_used) | |
9774 | { | |
9775 | warn (_("Undefined abbreviation tag %lu " | |
9776 | "in unit 0x%lx in the debug_names\n"), | |
9777 | (long) abbrev_tag, | |
9778 | (long) (unit_start - section->start)); | |
9779 | break; | |
9780 | } | |
9781 | abbrevptr = entry->abbrev_lookup_ptr; | |
cd30bcef | 9782 | READ_ULEB (dwarf_tag, abbrevptr, abbrev_table_end); |
61364358 JK |
9783 | if (tagno >= 0) |
9784 | printf (" %s", get_TAG_name (dwarf_tag)); | |
9785 | for (;;) | |
9786 | { | |
cd30bcef AM |
9787 | dwarf_vma xindex, form; |
9788 | ||
9789 | READ_ULEB (xindex, abbrevptr, abbrev_table_end); | |
9790 | READ_ULEB (form, abbrevptr, abbrev_table_end); | |
1d827a72 | 9791 | if (xindex == 0 && form == 0) |
61364358 JK |
9792 | break; |
9793 | ||
9794 | if (tagno >= 0) | |
1d827a72 | 9795 | printf (" %s", get_IDX_name (xindex)); |
ec1b0fbb NC |
9796 | entryptr = read_and_display_attr_value (0, form, 0, |
9797 | unit_start, entryptr, unit_end, | |
9798 | 0, 0, offset_size, | |
61364358 JK |
9799 | dwarf_version, NULL, |
9800 | (tagno < 0), NULL, | |
ec1b0fbb | 9801 | NULL, '=', -1); |
61364358 JK |
9802 | } |
9803 | ++tagno; | |
9804 | } | |
9805 | if (tagno <= 0) | |
9806 | printf (_(" <no entries>")); | |
9807 | putchar ('\n'); | |
9808 | } | |
9809 | ||
9810 | free (abbrev_lookup); | |
9811 | } | |
9812 | ||
9813 | return 1; | |
9814 | } | |
9815 | ||
dda8d76d | 9816 | static int |
d85bf2ba NC |
9817 | display_debug_links (struct dwarf_section * section, |
9818 | void * file ATTRIBUTE_UNUSED) | |
dda8d76d NC |
9819 | { |
9820 | const unsigned char * filename; | |
9821 | unsigned int filelen; | |
9822 | ||
9823 | introduce (section, FALSE); | |
9824 | ||
9825 | /* The .gnu_debuglink section is formatted as: | |
9826 | (c-string) Filename. | |
9827 | (padding) If needed to reach a 4 byte boundary. | |
9828 | (uint32_t) CRC32 value. | |
9829 | ||
9830 | The .gun_debugaltlink section is formatted as: | |
9831 | (c-string) Filename. | |
9832 | (binary) Build-ID. */ | |
521d4b19 | 9833 | |
dda8d76d NC |
9834 | filename = section->start; |
9835 | filelen = strnlen ((const char *) filename, section->size); | |
9836 | if (filelen == section->size) | |
9837 | { | |
9838 | warn (_("The debuglink filename is corrupt/missing\n")); | |
9839 | return 0; | |
9840 | } | |
9841 | ||
9842 | printf (_(" Separate debug info file: %s\n"), filename); | |
9843 | ||
9844 | if (const_strneq (section->name, ".gnu_debuglink")) | |
9845 | { | |
9846 | unsigned int crc32; | |
9847 | unsigned int crc_offset; | |
9848 | ||
9849 | crc_offset = filelen + 1; | |
9850 | crc_offset = (crc_offset + 3) & ~3; | |
9851 | if (crc_offset + 4 > section->size) | |
9852 | { | |
9853 | warn (_("CRC offset missing/truncated\n")); | |
9854 | return 0; | |
9855 | } | |
9856 | ||
9857 | crc32 = byte_get (filename + crc_offset, 4); | |
9858 | ||
9859 | printf (_(" CRC value: %#x\n"), crc32); | |
9860 | ||
9861 | if (crc_offset + 4 < section->size) | |
9862 | { | |
9863 | warn (_("There are %#lx extraneous bytes at the end of the section\n"), | |
9864 | (long)(section->size - (crc_offset + 4))); | |
9865 | return 0; | |
9866 | } | |
9867 | } | |
9868 | else /* const_strneq (section->name, ".gnu_debugaltlink") */ | |
9869 | { | |
9870 | const unsigned char * build_id = section->start + filelen + 1; | |
9871 | bfd_size_type build_id_len = section->size - (filelen + 1); | |
9872 | bfd_size_type printed; | |
9873 | ||
9874 | /* FIXME: Should we support smaller build-id notes ? */ | |
9875 | if (build_id_len < 0x14) | |
9876 | { | |
9877 | warn (_("Build-ID is too short (%#lx bytes)\n"), (long) build_id_len); | |
9878 | return 0; | |
9879 | } | |
9880 | ||
9881 | printed = printf (_(" Build-ID (%#lx bytes):"), (long) build_id_len); | |
d85bf2ba | 9882 | display_data (printed, build_id, build_id_len); |
dda8d76d NC |
9883 | putchar ('\n'); |
9884 | } | |
9885 | ||
9886 | putchar ('\n'); | |
9887 | return 1; | |
9888 | } | |
9889 | ||
5bbdf3d5 DE |
9890 | static int |
9891 | display_gdb_index (struct dwarf_section *section, | |
9892 | void *file ATTRIBUTE_UNUSED) | |
9893 | { | |
9894 | unsigned char *start = section->start; | |
9895 | uint32_t version; | |
9896 | uint32_t cu_list_offset, tu_list_offset; | |
9897 | uint32_t address_table_offset, symbol_table_offset, constant_pool_offset; | |
9898 | unsigned int cu_list_elements, tu_list_elements; | |
9899 | unsigned int address_table_size, symbol_table_slots; | |
9900 | unsigned char *cu_list, *tu_list; | |
9901 | unsigned char *address_table, *symbol_table, *constant_pool; | |
9902 | unsigned int i; | |
9903 | ||
9904 | /* The documentation for the format of this file is in gdb/dwarf2read.c. */ | |
9905 | ||
dda8d76d | 9906 | introduce (section, FALSE); |
5bbdf3d5 DE |
9907 | |
9908 | if (section->size < 6 * sizeof (uint32_t)) | |
9909 | { | |
9910 | warn (_("Truncated header in the %s section.\n"), section->name); | |
9911 | return 0; | |
9912 | } | |
9913 | ||
9914 | version = byte_get_little_endian (start, 4); | |
da88a764 | 9915 | printf (_("Version %ld\n"), (long) version); |
5bbdf3d5 DE |
9916 | |
9917 | /* Prior versions are obsolete, and future versions may not be | |
9918 | backwards compatible. */ | |
aa170720 | 9919 | if (version < 3 || version > 8) |
5bbdf3d5 | 9920 | { |
da88a764 | 9921 | warn (_("Unsupported version %lu.\n"), (unsigned long) version); |
5bbdf3d5 DE |
9922 | return 0; |
9923 | } | |
8d6eee87 TT |
9924 | if (version < 4) |
9925 | warn (_("The address table data in version 3 may be wrong.\n")); | |
9926 | if (version < 5) | |
9927 | warn (_("Version 4 does not support case insensitive lookups.\n")); | |
9928 | if (version < 6) | |
9929 | warn (_("Version 5 does not include inlined functions.\n")); | |
9930 | if (version < 7) | |
9931 | warn (_("Version 6 does not include symbol attributes.\n")); | |
aa170720 DE |
9932 | /* Version 7 indices generated by Gold have bad type unit references, |
9933 | PR binutils/15021. But we don't know if the index was generated by | |
9934 | Gold or not, so to avoid worrying users with gdb-generated indices | |
9935 | we say nothing for version 7 here. */ | |
5bbdf3d5 DE |
9936 | |
9937 | cu_list_offset = byte_get_little_endian (start + 4, 4); | |
9938 | tu_list_offset = byte_get_little_endian (start + 8, 4); | |
9939 | address_table_offset = byte_get_little_endian (start + 12, 4); | |
9940 | symbol_table_offset = byte_get_little_endian (start + 16, 4); | |
9941 | constant_pool_offset = byte_get_little_endian (start + 20, 4); | |
9942 | ||
9943 | if (cu_list_offset > section->size | |
9944 | || tu_list_offset > section->size | |
9945 | || address_table_offset > section->size | |
9946 | || symbol_table_offset > section->size | |
9947 | || constant_pool_offset > section->size) | |
9948 | { | |
9949 | warn (_("Corrupt header in the %s section.\n"), section->name); | |
9950 | return 0; | |
9951 | } | |
9952 | ||
53774b7e NC |
9953 | /* PR 17531: file: 418d0a8a. */ |
9954 | if (tu_list_offset < cu_list_offset) | |
9955 | { | |
9956 | warn (_("TU offset (%x) is less than CU offset (%x)\n"), | |
9957 | tu_list_offset, cu_list_offset); | |
9958 | return 0; | |
9959 | } | |
9960 | ||
5bbdf3d5 | 9961 | cu_list_elements = (tu_list_offset - cu_list_offset) / 8; |
53774b7e NC |
9962 | |
9963 | if (address_table_offset < tu_list_offset) | |
9964 | { | |
9965 | warn (_("Address table offset (%x) is less than TU offset (%x)\n"), | |
9966 | address_table_offset, tu_list_offset); | |
9967 | return 0; | |
9968 | } | |
9969 | ||
5bbdf3d5 | 9970 | tu_list_elements = (address_table_offset - tu_list_offset) / 8; |
53774b7e NC |
9971 | |
9972 | /* PR 17531: file: 18a47d3d. */ | |
9973 | if (symbol_table_offset < address_table_offset) | |
9974 | { | |
13bace4a | 9975 | warn (_("Symbol table offset (%x) is less then Address table offset (%x)\n"), |
53774b7e NC |
9976 | symbol_table_offset, address_table_offset); |
9977 | return 0; | |
9978 | } | |
9979 | ||
5bbdf3d5 | 9980 | address_table_size = symbol_table_offset - address_table_offset; |
53774b7e NC |
9981 | |
9982 | if (constant_pool_offset < symbol_table_offset) | |
9983 | { | |
9984 | warn (_("Constant pool offset (%x) is less than symbol table offset (%x)\n"), | |
9985 | constant_pool_offset, symbol_table_offset); | |
9986 | return 0; | |
9987 | } | |
9988 | ||
5bbdf3d5 DE |
9989 | symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8; |
9990 | ||
9991 | cu_list = start + cu_list_offset; | |
9992 | tu_list = start + tu_list_offset; | |
9993 | address_table = start + address_table_offset; | |
9994 | symbol_table = start + symbol_table_offset; | |
9995 | constant_pool = start + constant_pool_offset; | |
9996 | ||
28d909e5 | 9997 | if (address_table + address_table_size > section->start + section->size) |
acff9664 | 9998 | { |
1306a742 | 9999 | warn (_("Address table extends beyond end of section.\n")); |
acff9664 NC |
10000 | return 0; |
10001 | } | |
b4eb7656 | 10002 | |
5bbdf3d5 DE |
10003 | printf (_("\nCU table:\n")); |
10004 | for (i = 0; i < cu_list_elements; i += 2) | |
10005 | { | |
10006 | uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8); | |
10007 | uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8); | |
10008 | ||
10009 | printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2, | |
10010 | (unsigned long) cu_offset, | |
10011 | (unsigned long) (cu_offset + cu_length - 1)); | |
10012 | } | |
10013 | ||
10014 | printf (_("\nTU table:\n")); | |
10015 | for (i = 0; i < tu_list_elements; i += 3) | |
10016 | { | |
10017 | uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8); | |
10018 | uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8); | |
10019 | uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8); | |
10020 | ||
10021 | printf (_("[%3u] 0x%lx 0x%lx "), i / 3, | |
10022 | (unsigned long) tu_offset, | |
10023 | (unsigned long) type_offset); | |
10024 | print_dwarf_vma (signature, 8); | |
10025 | printf ("\n"); | |
10026 | } | |
10027 | ||
10028 | printf (_("\nAddress table:\n")); | |
acff9664 NC |
10029 | for (i = 0; i < address_table_size && i <= address_table_size - (2 * 8 + 4); |
10030 | i += 2 * 8 + 4) | |
5bbdf3d5 DE |
10031 | { |
10032 | uint64_t low = byte_get_little_endian (address_table + i, 8); | |
10033 | uint64_t high = byte_get_little_endian (address_table + i + 8, 8); | |
10034 | uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4); | |
10035 | ||
10036 | print_dwarf_vma (low, 8); | |
10037 | print_dwarf_vma (high, 8); | |
da88a764 | 10038 | printf (_("%lu\n"), (unsigned long) cu_index); |
5bbdf3d5 DE |
10039 | } |
10040 | ||
10041 | printf (_("\nSymbol table:\n")); | |
10042 | for (i = 0; i < symbol_table_slots; ++i) | |
10043 | { | |
10044 | uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4); | |
10045 | uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4); | |
10046 | uint32_t num_cus, cu; | |
10047 | ||
10048 | if (name_offset != 0 | |
10049 | || cu_vector_offset != 0) | |
10050 | { | |
10051 | unsigned int j; | |
362beea4 | 10052 | unsigned char * adr; |
5bbdf3d5 | 10053 | |
362beea4 | 10054 | adr = constant_pool + name_offset; |
53774b7e | 10055 | /* PR 17531: file: 5b7b07ad. */ |
362beea4 | 10056 | if (adr < constant_pool || adr >= section->start + section->size) |
53774b7e NC |
10057 | { |
10058 | printf (_("[%3u] <corrupt offset: %x>"), i, name_offset); | |
10059 | warn (_("Corrupt name offset of 0x%x found for symbol table slot %d\n"), | |
10060 | name_offset, i); | |
10061 | } | |
10062 | else | |
acff9664 NC |
10063 | printf ("[%3u] %.*s:", i, |
10064 | (int) (section->size - (constant_pool_offset + name_offset)), | |
10065 | constant_pool + name_offset); | |
53774b7e | 10066 | |
362beea4 NC |
10067 | adr = constant_pool + cu_vector_offset; |
10068 | if (adr < constant_pool || adr >= section->start + section->size - 3) | |
53774b7e NC |
10069 | { |
10070 | printf (_("<invalid CU vector offset: %x>\n"), cu_vector_offset); | |
10071 | warn (_("Corrupt CU vector offset of 0x%x found for symbol table slot %d\n"), | |
10072 | cu_vector_offset, i); | |
10073 | continue; | |
10074 | } | |
57028622 | 10075 | |
362beea4 | 10076 | num_cus = byte_get_little_endian (adr, 4); |
53774b7e | 10077 | |
362beea4 | 10078 | adr = constant_pool + cu_vector_offset + 4 + num_cus * 4; |
acff9664 | 10079 | if (num_cus * 4 < num_cus |
362beea4 NC |
10080 | || adr >= section->start + section->size |
10081 | || adr < constant_pool) | |
53774b7e NC |
10082 | { |
10083 | printf ("<invalid number of CUs: %d>\n", num_cus); | |
acff9664 | 10084 | warn (_("Invalid number of CUs (0x%x) for symbol table slot %d\n"), |
53774b7e NC |
10085 | num_cus, i); |
10086 | continue; | |
10087 | } | |
10088 | ||
8d6eee87 TT |
10089 | if (num_cus > 1) |
10090 | printf ("\n"); | |
f3853b34 | 10091 | |
5bbdf3d5 DE |
10092 | for (j = 0; j < num_cus; ++j) |
10093 | { | |
7c1cef97 | 10094 | int is_static; |
8d6eee87 TT |
10095 | gdb_index_symbol_kind kind; |
10096 | ||
5bbdf3d5 | 10097 | cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4); |
7c1cef97 | 10098 | is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu); |
8d6eee87 TT |
10099 | kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu); |
10100 | cu = GDB_INDEX_CU_VALUE (cu); | |
5bbdf3d5 | 10101 | /* Convert to TU number if it's for a type unit. */ |
ad6b52dd | 10102 | if (cu >= cu_list_elements / 2) |
8d6eee87 TT |
10103 | printf ("%cT%lu", num_cus > 1 ? '\t' : ' ', |
10104 | (unsigned long) (cu - cu_list_elements / 2)); | |
5bbdf3d5 | 10105 | else |
8d6eee87 TT |
10106 | printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu); |
10107 | ||
459d52c8 DE |
10108 | printf (" [%s, %s]", |
10109 | is_static ? _("static") : _("global"), | |
10110 | get_gdb_index_symbol_kind_name (kind)); | |
8d6eee87 TT |
10111 | if (num_cus > 1) |
10112 | printf ("\n"); | |
5bbdf3d5 | 10113 | } |
8d6eee87 TT |
10114 | if (num_cus <= 1) |
10115 | printf ("\n"); | |
5bbdf3d5 DE |
10116 | } |
10117 | } | |
10118 | ||
10119 | return 1; | |
10120 | } | |
10121 | ||
657d0d47 CC |
10122 | /* Pre-allocate enough space for the CU/TU sets needed. */ |
10123 | ||
10124 | static void | |
10125 | prealloc_cu_tu_list (unsigned int nshndx) | |
10126 | { | |
10127 | if (shndx_pool == NULL) | |
10128 | { | |
10129 | shndx_pool_size = nshndx; | |
10130 | shndx_pool_used = 0; | |
10131 | shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size, | |
10132 | sizeof (unsigned int)); | |
10133 | } | |
10134 | else | |
10135 | { | |
10136 | shndx_pool_size = shndx_pool_used + nshndx; | |
10137 | shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size, | |
10138 | sizeof (unsigned int)); | |
10139 | } | |
10140 | } | |
10141 | ||
10142 | static void | |
10143 | add_shndx_to_cu_tu_entry (unsigned int shndx) | |
10144 | { | |
10145 | if (shndx_pool_used >= shndx_pool_size) | |
10146 | { | |
10147 | error (_("Internal error: out of space in the shndx pool.\n")); | |
10148 | return; | |
10149 | } | |
10150 | shndx_pool [shndx_pool_used++] = shndx; | |
10151 | } | |
10152 | ||
10153 | static void | |
10154 | end_cu_tu_entry (void) | |
10155 | { | |
10156 | if (shndx_pool_used >= shndx_pool_size) | |
10157 | { | |
10158 | error (_("Internal error: out of space in the shndx pool.\n")); | |
10159 | return; | |
10160 | } | |
10161 | shndx_pool [shndx_pool_used++] = 0; | |
10162 | } | |
10163 | ||
341f9135 CC |
10164 | /* Return the short name of a DWARF section given by a DW_SECT enumerator. */ |
10165 | ||
10166 | static const char * | |
10167 | get_DW_SECT_short_name (unsigned int dw_sect) | |
10168 | { | |
10169 | static char buf[16]; | |
10170 | ||
10171 | switch (dw_sect) | |
10172 | { | |
10173 | case DW_SECT_INFO: | |
10174 | return "info"; | |
10175 | case DW_SECT_TYPES: | |
10176 | return "types"; | |
10177 | case DW_SECT_ABBREV: | |
10178 | return "abbrev"; | |
10179 | case DW_SECT_LINE: | |
10180 | return "line"; | |
10181 | case DW_SECT_LOC: | |
10182 | return "loc"; | |
10183 | case DW_SECT_STR_OFFSETS: | |
10184 | return "str_off"; | |
10185 | case DW_SECT_MACINFO: | |
10186 | return "macinfo"; | |
10187 | case DW_SECT_MACRO: | |
10188 | return "macro"; | |
10189 | default: | |
b4eb7656 | 10190 | break; |
341f9135 CC |
10191 | } |
10192 | ||
10193 | snprintf (buf, sizeof (buf), "%d", dw_sect); | |
10194 | return buf; | |
10195 | } | |
10196 | ||
10197 | /* Process a CU or TU index. If DO_DISPLAY is true, print the contents. | |
10198 | These sections are extensions for Fission. | |
10199 | See http://gcc.gnu.org/wiki/DebugFissionDWP. */ | |
657d0d47 CC |
10200 | |
10201 | static int | |
10202 | process_cu_tu_index (struct dwarf_section *section, int do_display) | |
10203 | { | |
10204 | unsigned char *phdr = section->start; | |
10205 | unsigned char *limit = phdr + section->size; | |
10206 | unsigned char *phash; | |
10207 | unsigned char *pindex; | |
10208 | unsigned char *ppool; | |
10209 | unsigned int version; | |
341f9135 | 10210 | unsigned int ncols = 0; |
657d0d47 CC |
10211 | unsigned int nused; |
10212 | unsigned int nslots; | |
10213 | unsigned int i; | |
341f9135 CC |
10214 | unsigned int j; |
10215 | dwarf_vma signature_high; | |
10216 | dwarf_vma signature_low; | |
10217 | char buf[64]; | |
657d0d47 | 10218 | |
6937bb54 NC |
10219 | /* PR 17512: file: 002-168123-0.004. */ |
10220 | if (phdr == NULL) | |
10221 | { | |
10222 | warn (_("Section %s is empty\n"), section->name); | |
10223 | return 0; | |
10224 | } | |
10225 | /* PR 17512: file: 002-376-0.004. */ | |
10226 | if (section->size < 24) | |
10227 | { | |
72c61a0d | 10228 | warn (_("Section %s is too small to contain a CU/TU header\n"), |
6937bb54 NC |
10229 | section->name); |
10230 | return 0; | |
10231 | } | |
10232 | ||
10233 | SAFE_BYTE_GET (version, phdr, 4, limit); | |
341f9135 | 10234 | if (version >= 2) |
6937bb54 NC |
10235 | SAFE_BYTE_GET (ncols, phdr + 4, 4, limit); |
10236 | SAFE_BYTE_GET (nused, phdr + 8, 4, limit); | |
10237 | SAFE_BYTE_GET (nslots, phdr + 12, 4, limit); | |
10238 | ||
657d0d47 | 10239 | phash = phdr + 16; |
8e2e3c6c AM |
10240 | pindex = phash + (size_t) nslots * 8; |
10241 | ppool = pindex + (size_t) nslots * 4; | |
57028622 | 10242 | |
657d0d47 CC |
10243 | if (do_display) |
10244 | { | |
dda8d76d NC |
10245 | introduce (section, FALSE); |
10246 | ||
8e2e3c6c | 10247 | printf (_(" Version: %u\n"), version); |
341f9135 | 10248 | if (version >= 2) |
8e2e3c6c AM |
10249 | printf (_(" Number of columns: %u\n"), ncols); |
10250 | printf (_(" Number of used entries: %u\n"), nused); | |
10251 | printf (_(" Number of slots: %u\n\n"), nslots); | |
657d0d47 CC |
10252 | } |
10253 | ||
8e2e3c6c AM |
10254 | /* PR 17531: file: 45d69832. */ |
10255 | if ((size_t) nslots * 8 / 8 != nslots | |
10256 | || phash < phdr || phash > limit | |
10257 | || pindex < phash || pindex > limit | |
10258 | || ppool < pindex || ppool > limit) | |
657d0d47 | 10259 | { |
8e2e3c6c AM |
10260 | warn (ngettext ("Section %s is too small for %u slot\n", |
10261 | "Section %s is too small for %u slots\n", | |
10262 | nslots), | |
657d0d47 CC |
10263 | section->name, nslots); |
10264 | return 0; | |
10265 | } | |
10266 | ||
341f9135 | 10267 | if (version == 1) |
657d0d47 | 10268 | { |
341f9135 CC |
10269 | if (!do_display) |
10270 | prealloc_cu_tu_list ((limit - ppool) / 4); | |
10271 | for (i = 0; i < nslots; i++) | |
657d0d47 | 10272 | { |
341f9135 CC |
10273 | unsigned char *shndx_list; |
10274 | unsigned int shndx; | |
10275 | ||
6937bb54 | 10276 | SAFE_BYTE_GET64 (phash, &signature_high, &signature_low, limit); |
341f9135 | 10277 | if (signature_high != 0 || signature_low != 0) |
657d0d47 | 10278 | { |
6937bb54 | 10279 | SAFE_BYTE_GET (j, pindex, 4, limit); |
341f9135 | 10280 | shndx_list = ppool + j * 4; |
f3853b34 NC |
10281 | /* PR 17531: file: 705e010d. */ |
10282 | if (shndx_list < ppool) | |
10283 | { | |
10284 | warn (_("Section index pool located before start of section\n")); | |
10285 | return 0; | |
10286 | } | |
10287 | ||
341f9135 CC |
10288 | if (do_display) |
10289 | printf (_(" [%3d] Signature: 0x%s Sections: "), | |
10290 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
10291 | buf, sizeof (buf))); | |
10292 | for (;;) | |
657d0d47 | 10293 | { |
341f9135 CC |
10294 | if (shndx_list >= limit) |
10295 | { | |
10296 | warn (_("Section %s too small for shndx pool\n"), | |
10297 | section->name); | |
10298 | return 0; | |
10299 | } | |
6937bb54 | 10300 | SAFE_BYTE_GET (shndx, shndx_list, 4, limit); |
341f9135 CC |
10301 | if (shndx == 0) |
10302 | break; | |
10303 | if (do_display) | |
10304 | printf (" %d", shndx); | |
10305 | else | |
10306 | add_shndx_to_cu_tu_entry (shndx); | |
10307 | shndx_list += 4; | |
657d0d47 | 10308 | } |
657d0d47 | 10309 | if (do_display) |
341f9135 | 10310 | printf ("\n"); |
657d0d47 | 10311 | else |
341f9135 CC |
10312 | end_cu_tu_entry (); |
10313 | } | |
10314 | phash += 8; | |
10315 | pindex += 4; | |
10316 | } | |
10317 | } | |
10318 | else if (version == 2) | |
10319 | { | |
10320 | unsigned int val; | |
10321 | unsigned int dw_sect; | |
10322 | unsigned char *ph = phash; | |
10323 | unsigned char *pi = pindex; | |
8e2e3c6c AM |
10324 | unsigned char *poffsets = ppool + (size_t) ncols * 4; |
10325 | unsigned char *psizes = poffsets + (size_t) nused * ncols * 4; | |
10326 | unsigned char *pend = psizes + (size_t) nused * ncols * 4; | |
341f9135 CC |
10327 | bfd_boolean is_tu_index; |
10328 | struct cu_tu_set *this_set = NULL; | |
10329 | unsigned int row; | |
10330 | unsigned char *prow; | |
10331 | ||
10332 | is_tu_index = strcmp (section->name, ".debug_tu_index") == 0; | |
10333 | ||
362beea4 | 10334 | /* PR 17531: file: 0dd159bf. |
8e2e3c6c AM |
10335 | Check for integer overflow (can occur when size_t is 32-bit) |
10336 | with overlarge ncols or nused values. */ | |
4ac948a0 NC |
10337 | if (ncols > 0 |
10338 | && ((size_t) ncols * 4 / 4 != ncols | |
10339 | || (size_t) nused * ncols * 4 / ((size_t) ncols * 4) != nused | |
10340 | || poffsets < ppool || poffsets > limit | |
10341 | || psizes < poffsets || psizes > limit | |
10342 | || pend < psizes || pend > limit)) | |
341f9135 CC |
10343 | { |
10344 | warn (_("Section %s too small for offset and size tables\n"), | |
10345 | section->name); | |
10346 | return 0; | |
10347 | } | |
10348 | ||
10349 | if (do_display) | |
10350 | { | |
10351 | printf (_(" Offset table\n")); | |
10352 | printf (" slot %-16s ", | |
10353 | is_tu_index ? _("signature") : _("dwo_id")); | |
10354 | } | |
10355 | else | |
10356 | { | |
10357 | if (is_tu_index) | |
10358 | { | |
10359 | tu_count = nused; | |
72c61a0d | 10360 | tu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set)); |
341f9135 | 10361 | this_set = tu_sets; |
657d0d47 | 10362 | } |
657d0d47 | 10363 | else |
341f9135 CC |
10364 | { |
10365 | cu_count = nused; | |
72c61a0d | 10366 | cu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set)); |
341f9135 CC |
10367 | this_set = cu_sets; |
10368 | } | |
10369 | } | |
6937bb54 | 10370 | |
341f9135 CC |
10371 | if (do_display) |
10372 | { | |
10373 | for (j = 0; j < ncols; j++) | |
10374 | { | |
6937bb54 | 10375 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
341f9135 CC |
10376 | printf (" %8s", get_DW_SECT_short_name (dw_sect)); |
10377 | } | |
10378 | printf ("\n"); | |
10379 | } | |
6937bb54 | 10380 | |
341f9135 CC |
10381 | for (i = 0; i < nslots; i++) |
10382 | { | |
6937bb54 NC |
10383 | SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit); |
10384 | ||
10385 | SAFE_BYTE_GET (row, pi, 4, limit); | |
341f9135 CC |
10386 | if (row != 0) |
10387 | { | |
591f7597 | 10388 | /* PR 17531: file: a05f6ab3. */ |
ef77750e | 10389 | if (row > nused) |
591f7597 NC |
10390 | { |
10391 | warn (_("Row index (%u) is larger than number of used entries (%u)\n"), | |
10392 | row, nused); | |
10393 | return 0; | |
10394 | } | |
10395 | ||
341f9135 | 10396 | if (!do_display) |
6aea08d9 NC |
10397 | { |
10398 | size_t num_copy = sizeof (uint64_t); | |
10399 | ||
10400 | /* PR 23064: Beware of buffer overflow. */ | |
10401 | if (ph + num_copy < limit) | |
10402 | memcpy (&this_set[row - 1].signature, ph, num_copy); | |
10403 | else | |
10404 | { | |
10405 | warn (_("Signature (%p) extends beyond end of space in section\n"), ph); | |
10406 | return 0; | |
10407 | } | |
10408 | } | |
6937bb54 | 10409 | |
341f9135 | 10410 | prow = poffsets + (row - 1) * ncols * 4; |
ffc0f143 NC |
10411 | /* PR 17531: file: b8ce60a8. */ |
10412 | if (prow < poffsets || prow > limit) | |
10413 | { | |
10414 | warn (_("Row index (%u) * num columns (%u) > space remaining in section\n"), | |
10415 | row, ncols); | |
10416 | return 0; | |
10417 | } | |
3aade688 | 10418 | |
341f9135 CC |
10419 | if (do_display) |
10420 | printf (_(" [%3d] 0x%s"), | |
10421 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
10422 | buf, sizeof (buf))); | |
10423 | for (j = 0; j < ncols; j++) | |
10424 | { | |
6937bb54 | 10425 | SAFE_BYTE_GET (val, prow + j * 4, 4, limit); |
341f9135 CC |
10426 | if (do_display) |
10427 | printf (" %8d", val); | |
10428 | else | |
10429 | { | |
6937bb54 | 10430 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
82b1b41b NC |
10431 | |
10432 | /* PR 17531: file: 10796eb3. */ | |
10433 | if (dw_sect >= DW_SECT_MAX) | |
10434 | warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect); | |
10435 | else | |
10436 | this_set [row - 1].section_offsets [dw_sect] = val; | |
341f9135 CC |
10437 | } |
10438 | } | |
6937bb54 | 10439 | |
341f9135 CC |
10440 | if (do_display) |
10441 | printf ("\n"); | |
10442 | } | |
10443 | ph += 8; | |
10444 | pi += 4; | |
10445 | } | |
10446 | ||
10447 | ph = phash; | |
10448 | pi = pindex; | |
10449 | if (do_display) | |
b4eb7656 | 10450 | { |
341f9135 CC |
10451 | printf ("\n"); |
10452 | printf (_(" Size table\n")); | |
10453 | printf (" slot %-16s ", | |
10454 | is_tu_index ? _("signature") : _("dwo_id")); | |
b4eb7656 | 10455 | } |
6937bb54 | 10456 | |
341f9135 CC |
10457 | for (j = 0; j < ncols; j++) |
10458 | { | |
6937bb54 | 10459 | SAFE_BYTE_GET (val, ppool + j * 4, 4, limit); |
341f9135 CC |
10460 | if (do_display) |
10461 | printf (" %8s", get_DW_SECT_short_name (val)); | |
10462 | } | |
6937bb54 | 10463 | |
341f9135 CC |
10464 | if (do_display) |
10465 | printf ("\n"); | |
6937bb54 | 10466 | |
341f9135 CC |
10467 | for (i = 0; i < nslots; i++) |
10468 | { | |
6937bb54 NC |
10469 | SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit); |
10470 | ||
10471 | SAFE_BYTE_GET (row, pi, 4, limit); | |
341f9135 CC |
10472 | if (row != 0) |
10473 | { | |
10474 | prow = psizes + (row - 1) * ncols * 4; | |
6937bb54 | 10475 | |
341f9135 CC |
10476 | if (do_display) |
10477 | printf (_(" [%3d] 0x%s"), | |
10478 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
10479 | buf, sizeof (buf))); | |
6937bb54 | 10480 | |
341f9135 CC |
10481 | for (j = 0; j < ncols; j++) |
10482 | { | |
6937bb54 | 10483 | SAFE_BYTE_GET (val, prow + j * 4, 4, limit); |
341f9135 CC |
10484 | if (do_display) |
10485 | printf (" %8d", val); | |
10486 | else | |
10487 | { | |
6937bb54 | 10488 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
82b1b41b NC |
10489 | if (dw_sect >= DW_SECT_MAX) |
10490 | warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect); | |
10491 | else | |
341f9135 CC |
10492 | this_set [row - 1].section_sizes [dw_sect] = val; |
10493 | } | |
10494 | } | |
6937bb54 | 10495 | |
341f9135 CC |
10496 | if (do_display) |
10497 | printf ("\n"); | |
10498 | } | |
6937bb54 | 10499 | |
341f9135 CC |
10500 | ph += 8; |
10501 | pi += 4; | |
657d0d47 | 10502 | } |
657d0d47 | 10503 | } |
341f9135 | 10504 | else if (do_display) |
6937bb54 | 10505 | printf (_(" Unsupported version (%d)\n"), version); |
657d0d47 CC |
10506 | |
10507 | if (do_display) | |
10508 | printf ("\n"); | |
10509 | ||
10510 | return 1; | |
10511 | } | |
10512 | ||
288f0ba2 AM |
10513 | static int cu_tu_indexes_read = -1; /* Tri-state variable. */ |
10514 | ||
657d0d47 CC |
10515 | /* Load the CU and TU indexes if present. This will build a list of |
10516 | section sets that we can use to associate a .debug_info.dwo section | |
10517 | with its associated .debug_abbrev.dwo section in a .dwp file. */ | |
10518 | ||
43a444f9 | 10519 | static bfd_boolean |
657d0d47 CC |
10520 | load_cu_tu_indexes (void *file) |
10521 | { | |
10522 | /* If we have already loaded (or tried to load) the CU and TU indexes | |
10523 | then do not bother to repeat the task. */ | |
43a444f9 NC |
10524 | if (cu_tu_indexes_read == -1) |
10525 | { | |
10526 | cu_tu_indexes_read = TRUE; | |
521d4b19 | 10527 | |
dda8d76d | 10528 | if (load_debug_section_with_follow (dwp_cu_index, file)) |
43a444f9 NC |
10529 | if (! process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0)) |
10530 | cu_tu_indexes_read = FALSE; | |
10531 | ||
dda8d76d | 10532 | if (load_debug_section_with_follow (dwp_tu_index, file)) |
43a444f9 NC |
10533 | if (! process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0)) |
10534 | cu_tu_indexes_read = FALSE; | |
10535 | } | |
657d0d47 | 10536 | |
43a444f9 | 10537 | return (bfd_boolean) cu_tu_indexes_read; |
657d0d47 CC |
10538 | } |
10539 | ||
10540 | /* Find the set of sections that includes section SHNDX. */ | |
10541 | ||
10542 | unsigned int * | |
10543 | find_cu_tu_set (void *file, unsigned int shndx) | |
10544 | { | |
10545 | unsigned int i; | |
10546 | ||
43a444f9 NC |
10547 | if (! load_cu_tu_indexes (file)) |
10548 | return NULL; | |
657d0d47 CC |
10549 | |
10550 | /* Find SHNDX in the shndx pool. */ | |
10551 | for (i = 0; i < shndx_pool_used; i++) | |
10552 | if (shndx_pool [i] == shndx) | |
10553 | break; | |
10554 | ||
10555 | if (i >= shndx_pool_used) | |
10556 | return NULL; | |
10557 | ||
10558 | /* Now backup to find the first entry in the set. */ | |
10559 | while (i > 0 && shndx_pool [i - 1] != 0) | |
10560 | i--; | |
10561 | ||
10562 | return shndx_pool + i; | |
10563 | } | |
10564 | ||
10565 | /* Display a .debug_cu_index or .debug_tu_index section. */ | |
10566 | ||
10567 | static int | |
10568 | display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED) | |
10569 | { | |
10570 | return process_cu_tu_index (section, 1); | |
10571 | } | |
10572 | ||
19e6b90e L |
10573 | static int |
10574 | display_debug_not_supported (struct dwarf_section *section, | |
10575 | void *file ATTRIBUTE_UNUSED) | |
10576 | { | |
10577 | printf (_("Displaying the debug contents of section %s is not yet supported.\n"), | |
10578 | section->name); | |
10579 | ||
10580 | return 1; | |
10581 | } | |
10582 | ||
1306a742 NC |
10583 | /* Like malloc, but takes two parameters like calloc. |
10584 | Verifies that the first parameter is not too large. | |
82b1b41b | 10585 | Note: does *not* initialise the allocated memory to zero. */ |
dda8d76d | 10586 | |
19e6b90e L |
10587 | void * |
10588 | cmalloc (size_t nmemb, size_t size) | |
10589 | { | |
10590 | /* Check for overflow. */ | |
10591 | if (nmemb >= ~(size_t) 0 / size) | |
10592 | return NULL; | |
82b1b41b NC |
10593 | |
10594 | return xmalloc (nmemb * size); | |
19e6b90e L |
10595 | } |
10596 | ||
1306a742 NC |
10597 | /* Like xmalloc, but takes two parameters like calloc. |
10598 | Verifies that the first parameter is not too large. | |
10599 | Note: does *not* initialise the allocated memory to zero. */ | |
dda8d76d | 10600 | |
72c61a0d | 10601 | void * |
1306a742 | 10602 | xcmalloc (size_t nmemb, size_t size) |
72c61a0d NC |
10603 | { |
10604 | /* Check for overflow. */ | |
10605 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 NC |
10606 | { |
10607 | fprintf (stderr, | |
10608 | _("Attempt to allocate an array with an excessive number of elements: 0x%lx\n"), | |
10609 | (long) nmemb); | |
10610 | xexit (1); | |
10611 | } | |
72c61a0d | 10612 | |
1306a742 | 10613 | return xmalloc (nmemb * size); |
72c61a0d NC |
10614 | } |
10615 | ||
1306a742 NC |
10616 | /* Like xrealloc, but takes three parameters. |
10617 | Verifies that the second parameter is not too large. | |
10618 | Note: does *not* initialise any new memory to zero. */ | |
dda8d76d | 10619 | |
19e6b90e | 10620 | void * |
1306a742 | 10621 | xcrealloc (void *ptr, size_t nmemb, size_t size) |
19e6b90e L |
10622 | { |
10623 | /* Check for overflow. */ | |
10624 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 | 10625 | { |
dda8d76d NC |
10626 | error (_("Attempt to re-allocate an array with an excessive number of elements: 0x%lx\n"), |
10627 | (long) nmemb); | |
8490fb40 NC |
10628 | xexit (1); |
10629 | } | |
82b1b41b | 10630 | |
1306a742 | 10631 | return xrealloc (ptr, nmemb * size); |
19e6b90e L |
10632 | } |
10633 | ||
1306a742 | 10634 | /* Like xcalloc, but verifies that the first parameter is not too large. */ |
dda8d76d | 10635 | |
19e6b90e | 10636 | void * |
1306a742 | 10637 | xcalloc2 (size_t nmemb, size_t size) |
19e6b90e L |
10638 | { |
10639 | /* Check for overflow. */ | |
10640 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 | 10641 | { |
dda8d76d NC |
10642 | error (_("Attempt to allocate a zero'ed array with an excessive number of elements: 0x%lx\n"), |
10643 | (long) nmemb); | |
8490fb40 NC |
10644 | xexit (1); |
10645 | } | |
82b1b41b | 10646 | |
1306a742 | 10647 | return xcalloc (nmemb, size); |
19e6b90e L |
10648 | } |
10649 | ||
dda8d76d NC |
10650 | static unsigned long |
10651 | calc_gnu_debuglink_crc32 (unsigned long crc, | |
10652 | const unsigned char * buf, | |
10653 | bfd_size_type len) | |
10654 | { | |
10655 | static const unsigned long crc32_table[256] = | |
10656 | { | |
10657 | 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, | |
10658 | 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, | |
10659 | 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, | |
10660 | 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, | |
10661 | 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, | |
10662 | 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, | |
10663 | 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, | |
10664 | 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, | |
10665 | 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, | |
10666 | 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, | |
10667 | 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, | |
10668 | 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, | |
10669 | 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, | |
10670 | 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, | |
10671 | 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, | |
10672 | 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, | |
10673 | 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, | |
10674 | 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, | |
10675 | 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, | |
10676 | 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, | |
10677 | 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, | |
10678 | 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, | |
10679 | 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, | |
10680 | 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, | |
10681 | 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, | |
10682 | 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, | |
10683 | 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, | |
10684 | 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, | |
10685 | 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, | |
10686 | 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, | |
10687 | 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, | |
10688 | 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, | |
10689 | 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, | |
10690 | 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, | |
10691 | 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, | |
10692 | 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, | |
10693 | 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, | |
10694 | 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, | |
10695 | 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, | |
10696 | 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, | |
10697 | 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, | |
10698 | 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, | |
10699 | 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, | |
10700 | 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, | |
10701 | 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, | |
10702 | 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, | |
10703 | 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, | |
10704 | 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, | |
10705 | 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, | |
10706 | 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, | |
10707 | 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, | |
10708 | 0x2d02ef8d | |
10709 | }; | |
10710 | const unsigned char *end; | |
10711 | ||
10712 | crc = ~crc & 0xffffffff; | |
10713 | for (end = buf + len; buf < end; ++ buf) | |
10714 | crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8); | |
10715 | return ~crc & 0xffffffff; | |
10716 | } | |
10717 | ||
10718 | typedef bfd_boolean (* check_func_type) (const char *, void *); | |
10719 | typedef const char * (* parse_func_type) (struct dwarf_section *, void *); | |
10720 | ||
10721 | static bfd_boolean | |
10722 | check_gnu_debuglink (const char * pathname, void * crc_pointer) | |
10723 | { | |
10724 | static unsigned char buffer [8 * 1024]; | |
10725 | FILE * f; | |
10726 | bfd_size_type count; | |
10727 | unsigned long crc = 0; | |
10728 | void * sep_data; | |
10729 | ||
10730 | sep_data = open_debug_file (pathname); | |
10731 | if (sep_data == NULL) | |
10732 | return FALSE; | |
10733 | ||
10734 | /* Yes - we are opening the file twice... */ | |
10735 | f = fopen (pathname, "rb"); | |
10736 | if (f == NULL) | |
10737 | { | |
10738 | /* Paranoia: This should never happen. */ | |
10739 | close_debug_file (sep_data); | |
10740 | warn (_("Unable to reopen separate debug info file: %s\n"), pathname); | |
10741 | return FALSE; | |
10742 | } | |
10743 | ||
10744 | while ((count = fread (buffer, 1, sizeof (buffer), f)) > 0) | |
10745 | crc = calc_gnu_debuglink_crc32 (crc, buffer, count); | |
10746 | ||
10747 | fclose (f); | |
10748 | ||
10749 | if (crc != * (unsigned long *) crc_pointer) | |
10750 | { | |
10751 | close_debug_file (sep_data); | |
10752 | warn (_("Separate debug info file %s found, but CRC does not match - ignoring\n"), | |
10753 | pathname); | |
10754 | return FALSE; | |
10755 | } | |
10756 | ||
10757 | return TRUE; | |
10758 | } | |
10759 | ||
10760 | static const char * | |
10761 | parse_gnu_debuglink (struct dwarf_section * section, void * data) | |
10762 | { | |
10763 | const char * name; | |
10764 | unsigned int crc_offset; | |
10765 | unsigned long * crc32 = (unsigned long *) data; | |
10766 | ||
10767 | /* The name is first. | |
10768 | The CRC value is stored after the filename, aligned up to 4 bytes. */ | |
10769 | name = (const char *) section->start; | |
10770 | ||
10771 | crc_offset = strnlen (name, section->size) + 1; | |
10772 | crc_offset = (crc_offset + 3) & ~3; | |
10773 | if (crc_offset + 4 > section->size) | |
10774 | return NULL; | |
10775 | ||
10776 | * crc32 = byte_get (section->start + crc_offset, 4); | |
10777 | return name; | |
10778 | } | |
10779 | ||
10780 | static bfd_boolean | |
10781 | check_gnu_debugaltlink (const char * filename, void * data ATTRIBUTE_UNUSED) | |
10782 | { | |
10783 | void * sep_data = open_debug_file (filename); | |
10784 | ||
10785 | if (sep_data == NULL) | |
10786 | return FALSE; | |
10787 | ||
10788 | /* FIXME: We should now extract the build-id in the separate file | |
10789 | and check it... */ | |
10790 | ||
10791 | return TRUE; | |
10792 | } | |
10793 | ||
10794 | typedef struct build_id_data | |
10795 | { | |
10796 | bfd_size_type len; | |
10797 | const unsigned char * data; | |
10798 | } Build_id_data; | |
10799 | ||
10800 | static const char * | |
10801 | parse_gnu_debugaltlink (struct dwarf_section * section, void * data) | |
10802 | { | |
10803 | const char * name; | |
10804 | bfd_size_type namelen; | |
10805 | bfd_size_type id_len; | |
10806 | Build_id_data * build_id_data; | |
10807 | ||
10808 | /* The name is first. | |
10809 | The build-id follows immediately, with no padding, up to the section's end. */ | |
10810 | ||
10811 | name = (const char *) section->start; | |
10812 | namelen = strnlen (name, section->size) + 1; | |
10813 | if (namelen >= section->size) | |
10814 | return NULL; | |
10815 | ||
10816 | id_len = section->size - namelen; | |
10817 | if (id_len < 0x14) | |
10818 | return NULL; | |
10819 | ||
dfbee680 | 10820 | build_id_data = (Build_id_data *) data; |
dda8d76d NC |
10821 | build_id_data->len = id_len; |
10822 | build_id_data->data = section->start + namelen; | |
10823 | ||
dda8d76d NC |
10824 | return name; |
10825 | } | |
10826 | ||
24841daa NC |
10827 | static void |
10828 | add_separate_debug_file (const char * filename, void * handle) | |
10829 | { | |
10830 | separate_info * i = xmalloc (sizeof * i); | |
10831 | ||
10832 | i->filename = filename; | |
10833 | i->handle = handle; | |
10834 | i->next = first_separate_info; | |
10835 | first_separate_info = i; | |
10836 | } | |
10837 | ||
301a9420 AM |
10838 | #if HAVE_LIBDEBUGINFOD |
10839 | /* Query debuginfod servers for the target debuglink or debugaltlink | |
10840 | file. If successful, store the path of the file in filename and | |
10841 | return TRUE, otherwise return FALSE. */ | |
10842 | ||
10843 | static bfd_boolean | |
10844 | debuginfod_fetch_separate_debug_info (struct dwarf_section * section, | |
10845 | char ** filename, | |
10846 | void * file) | |
10847 | { | |
10848 | size_t build_id_len; | |
10849 | unsigned char * build_id; | |
10850 | ||
10851 | if (strcmp (section->uncompressed_name, ".gnu_debuglink") == 0) | |
10852 | { | |
10853 | /* Get the build-id of file. */ | |
10854 | build_id = get_build_id (file); | |
10855 | build_id_len = 0; | |
10856 | } | |
10857 | else if (strcmp (section->uncompressed_name, ".gnu_debugaltlink") == 0) | |
10858 | { | |
10859 | /* Get the build-id of the debugaltlink file. */ | |
10860 | unsigned int filelen; | |
10861 | ||
10862 | filelen = strnlen ((const char *)section->start, section->size); | |
10863 | if (filelen == section->size) | |
10864 | /* Corrupt debugaltlink. */ | |
10865 | return FALSE; | |
10866 | ||
10867 | build_id = section->start + filelen + 1; | |
10868 | build_id_len = section->size - (filelen + 1); | |
10869 | ||
10870 | if (build_id_len == 0) | |
10871 | return FALSE; | |
10872 | } | |
10873 | else | |
10874 | return FALSE; | |
10875 | ||
10876 | if (build_id) | |
10877 | { | |
10878 | int fd; | |
10879 | debuginfod_client * client; | |
10880 | ||
10881 | client = debuginfod_begin (); | |
10882 | if (client == NULL) | |
10883 | return FALSE; | |
10884 | ||
10885 | /* Query debuginfod servers for the target file. If found its path | |
10886 | will be stored in filename. */ | |
10887 | fd = debuginfod_find_debuginfo (client, build_id, build_id_len, filename); | |
10888 | debuginfod_end (client); | |
10889 | ||
10890 | /* Only free build_id if we allocated space for a hex string | |
10891 | in get_build_id (). */ | |
10892 | if (build_id_len == 0) | |
10893 | free (build_id); | |
10894 | ||
10895 | if (fd >= 0) | |
10896 | { | |
10897 | /* File successfully retrieved. Close fd since we want to | |
10898 | use open_debug_file () on filename instead. */ | |
10899 | close (fd); | |
10900 | return TRUE; | |
10901 | } | |
10902 | } | |
10903 | ||
10904 | return FALSE; | |
10905 | } | |
10906 | #endif | |
10907 | ||
dda8d76d NC |
10908 | static void * |
10909 | load_separate_debug_info (const char * main_filename, | |
2b63c337 | 10910 | struct dwarf_section * xlink, |
dda8d76d NC |
10911 | parse_func_type parse_func, |
10912 | check_func_type check_func, | |
301a9420 AM |
10913 | void * func_data, |
10914 | void * file ATTRIBUTE_UNUSED) | |
dda8d76d NC |
10915 | { |
10916 | const char * separate_filename; | |
24841daa | 10917 | char * debug_filename; |
dda8d76d NC |
10918 | char * canon_dir; |
10919 | size_t canon_dirlen; | |
10920 | size_t dirlen; | |
10921 | ||
2b63c337 | 10922 | if ((separate_filename = parse_func (xlink, func_data)) == NULL) |
dda8d76d NC |
10923 | { |
10924 | warn (_("Corrupt debuglink section: %s\n"), | |
2b63c337 | 10925 | xlink->name ? xlink->name : xlink->uncompressed_name); |
ce139cd5 | 10926 | return NULL; |
dda8d76d | 10927 | } |
521d4b19 | 10928 | |
dda8d76d NC |
10929 | /* Attempt to locate the separate file. |
10930 | This should duplicate the logic in bfd/opncls.c:find_separate_debug_file(). */ | |
10931 | ||
10932 | canon_dir = lrealpath (main_filename); | |
521d4b19 | 10933 | |
dda8d76d NC |
10934 | for (canon_dirlen = strlen (canon_dir); canon_dirlen > 0; canon_dirlen--) |
10935 | if (IS_DIR_SEPARATOR (canon_dir[canon_dirlen - 1])) | |
10936 | break; | |
10937 | canon_dir[canon_dirlen] = '\0'; | |
10938 | ||
10939 | #ifndef DEBUGDIR | |
10940 | #define DEBUGDIR "/lib/debug" | |
10941 | #endif | |
10942 | #ifndef EXTRA_DEBUG_ROOT1 | |
10943 | #define EXTRA_DEBUG_ROOT1 "/usr/lib/debug" | |
10944 | #endif | |
10945 | #ifndef EXTRA_DEBUG_ROOT2 | |
10946 | #define EXTRA_DEBUG_ROOT2 "/usr/lib/debug/usr" | |
10947 | #endif | |
10948 | ||
24841daa NC |
10949 | debug_filename = (char *) malloc (strlen (DEBUGDIR) + 1 |
10950 | + canon_dirlen | |
10951 | + strlen (".debug/") | |
dda8d76d | 10952 | #ifdef EXTRA_DEBUG_ROOT1 |
24841daa | 10953 | + strlen (EXTRA_DEBUG_ROOT1) |
dda8d76d NC |
10954 | #endif |
10955 | #ifdef EXTRA_DEBUG_ROOT2 | |
24841daa | 10956 | + strlen (EXTRA_DEBUG_ROOT2) |
dda8d76d | 10957 | #endif |
24841daa NC |
10958 | + strlen (separate_filename) |
10959 | + 1); | |
10960 | if (debug_filename == NULL) | |
dda8d76d NC |
10961 | { |
10962 | warn (_("Out of memory")); | |
3391569f | 10963 | free (canon_dir); |
dda8d76d NC |
10964 | return NULL; |
10965 | } | |
10966 | ||
10967 | /* First try in the current directory. */ | |
24841daa NC |
10968 | sprintf (debug_filename, "%s", separate_filename); |
10969 | if (check_func (debug_filename, func_data)) | |
dda8d76d NC |
10970 | goto found; |
10971 | ||
10972 | /* Then try in a subdirectory called .debug. */ | |
24841daa NC |
10973 | sprintf (debug_filename, ".debug/%s", separate_filename); |
10974 | if (check_func (debug_filename, func_data)) | |
dda8d76d NC |
10975 | goto found; |
10976 | ||
10977 | /* Then try in the same directory as the original file. */ | |
24841daa NC |
10978 | sprintf (debug_filename, "%s%s", canon_dir, separate_filename); |
10979 | if (check_func (debug_filename, func_data)) | |
dda8d76d NC |
10980 | goto found; |
10981 | ||
10982 | /* And the .debug subdirectory of that directory. */ | |
24841daa NC |
10983 | sprintf (debug_filename, "%s.debug/%s", canon_dir, separate_filename); |
10984 | if (check_func (debug_filename, func_data)) | |
dda8d76d NC |
10985 | goto found; |
10986 | ||
10987 | #ifdef EXTRA_DEBUG_ROOT1 | |
10988 | /* Try the first extra debug file root. */ | |
24841daa NC |
10989 | sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename); |
10990 | if (check_func (debug_filename, func_data)) | |
dda8d76d | 10991 | goto found; |
39f0547e NC |
10992 | |
10993 | /* Try the first extra debug file root. */ | |
10994 | sprintf (debug_filename, "%s/%s/%s", EXTRA_DEBUG_ROOT1, canon_dir, separate_filename); | |
10995 | if (check_func (debug_filename, func_data)) | |
10996 | goto found; | |
dda8d76d NC |
10997 | #endif |
10998 | ||
10999 | #ifdef EXTRA_DEBUG_ROOT2 | |
11000 | /* Try the second extra debug file root. */ | |
24841daa NC |
11001 | sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename); |
11002 | if (check_func (debug_filename, func_data)) | |
dda8d76d NC |
11003 | goto found; |
11004 | #endif | |
11005 | ||
24841daa NC |
11006 | /* Then try in the global debug_filename directory. */ |
11007 | strcpy (debug_filename, DEBUGDIR); | |
dda8d76d NC |
11008 | dirlen = strlen (DEBUGDIR) - 1; |
11009 | if (dirlen > 0 && DEBUGDIR[dirlen] != '/') | |
24841daa NC |
11010 | strcat (debug_filename, "/"); |
11011 | strcat (debug_filename, (const char *) separate_filename); | |
dda8d76d | 11012 | |
24841daa | 11013 | if (check_func (debug_filename, func_data)) |
dda8d76d NC |
11014 | goto found; |
11015 | ||
301a9420 AM |
11016 | #if HAVE_LIBDEBUGINFOD |
11017 | { | |
11018 | char * tmp_filename; | |
11019 | ||
11020 | if (debuginfod_fetch_separate_debug_info (xlink, | |
11021 | & tmp_filename, | |
11022 | file)) | |
11023 | { | |
11024 | /* File successfully downloaded from server, replace | |
11025 | debug_filename with the file's path. */ | |
11026 | free (debug_filename); | |
11027 | debug_filename = tmp_filename; | |
11028 | goto found; | |
11029 | } | |
11030 | } | |
11031 | #endif | |
11032 | ||
dda8d76d NC |
11033 | /* Failed to find the file. */ |
11034 | warn (_("could not find separate debug file '%s'\n"), separate_filename); | |
24841daa | 11035 | warn (_("tried: %s\n"), debug_filename); |
dda8d76d NC |
11036 | |
11037 | #ifdef EXTRA_DEBUG_ROOT2 | |
24841daa NC |
11038 | sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename); |
11039 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d NC |
11040 | #endif |
11041 | ||
11042 | #ifdef EXTRA_DEBUG_ROOT1 | |
39f0547e NC |
11043 | sprintf (debug_filename, "%s/%s/%s", EXTRA_DEBUG_ROOT1, canon_dir, separate_filename); |
11044 | warn (_("tried: %s\n"), debug_filename); | |
11045 | ||
24841daa NC |
11046 | sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename); |
11047 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d NC |
11048 | #endif |
11049 | ||
24841daa NC |
11050 | sprintf (debug_filename, "%s.debug/%s", canon_dir, separate_filename); |
11051 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d | 11052 | |
24841daa NC |
11053 | sprintf (debug_filename, "%s%s", canon_dir, separate_filename); |
11054 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d | 11055 | |
24841daa NC |
11056 | sprintf (debug_filename, ".debug/%s", separate_filename); |
11057 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d | 11058 | |
24841daa NC |
11059 | sprintf (debug_filename, "%s", separate_filename); |
11060 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d | 11061 | |
301a9420 AM |
11062 | #if HAVE_LIBDEBUGINFOD |
11063 | { | |
11064 | char *urls = getenv (DEBUGINFOD_URLS_ENV_VAR); | |
11065 | if (urls == NULL) | |
11066 | urls = ""; | |
11067 | ||
11068 | warn (_("tried: DEBUGINFOD_URLS=%s\n"), urls); | |
11069 | } | |
11070 | #endif | |
11071 | ||
dda8d76d | 11072 | free (canon_dir); |
24841daa | 11073 | free (debug_filename); |
dda8d76d NC |
11074 | return NULL; |
11075 | ||
11076 | found: | |
11077 | free (canon_dir); | |
11078 | ||
24841daa NC |
11079 | void * debug_handle; |
11080 | ||
dda8d76d | 11081 | /* Now open the file.... */ |
24841daa | 11082 | if ((debug_handle = open_debug_file (debug_filename)) == NULL) |
dda8d76d | 11083 | { |
24841daa NC |
11084 | warn (_("failed to open separate debug file: %s\n"), debug_filename); |
11085 | free (debug_filename); | |
ce139cd5 | 11086 | return NULL; |
dda8d76d NC |
11087 | } |
11088 | ||
11089 | /* FIXME: We do not check to see if there are any other separate debug info | |
11090 | files that would also match. */ | |
11091 | ||
24841daa NC |
11092 | printf (_("%s: Found separate debug info file: %s\n\n"), main_filename, debug_filename); |
11093 | add_separate_debug_file (debug_filename, debug_handle); | |
dda8d76d | 11094 | |
24841daa | 11095 | /* Do not free debug_filename - it might be referenced inside |
dda8d76d | 11096 | the structure returned by open_debug_file(). */ |
24841daa | 11097 | return debug_handle; |
dda8d76d NC |
11098 | } |
11099 | ||
d85bf2ba NC |
11100 | /* Attempt to load a separate dwarf object file. */ |
11101 | ||
11102 | static void * | |
24841daa | 11103 | load_dwo_file (const char * main_filename, const char * name, const char * dir, const char * id ATTRIBUTE_UNUSED) |
d85bf2ba | 11104 | { |
24841daa NC |
11105 | char * separate_filename; |
11106 | void * separate_handle; | |
d85bf2ba | 11107 | |
d9d9d8ef TV |
11108 | if (IS_ABSOLUTE_PATH (name)) |
11109 | separate_filename = strdup (name); | |
11110 | else | |
11111 | /* FIXME: Skip adding / if dwo_dir ends in /. */ | |
11112 | separate_filename = concat (dir, "/", name, NULL); | |
24841daa | 11113 | if (separate_filename == NULL) |
d85bf2ba NC |
11114 | { |
11115 | warn (_("Out of memory allocating dwo filename\n")); | |
11116 | return NULL; | |
11117 | } | |
11118 | ||
24841daa | 11119 | if ((separate_handle = open_debug_file (separate_filename)) == NULL) |
d85bf2ba | 11120 | { |
24841daa NC |
11121 | warn (_("Unable to load dwo file: %s\n"), separate_filename); |
11122 | free (separate_filename); | |
d85bf2ba NC |
11123 | return NULL; |
11124 | } | |
11125 | ||
11126 | /* FIXME: We should check the dwo_id. */ | |
11127 | ||
24841daa NC |
11128 | printf (_("%s: Found separate debug object file: %s\n\n"), main_filename, separate_filename); |
11129 | add_separate_debug_file (separate_filename, separate_handle); | |
11130 | /* Note - separate_filename will be freed in free_debug_memory(). */ | |
11131 | return separate_handle; | |
d85bf2ba NC |
11132 | } |
11133 | ||
ce139cd5 NC |
11134 | /* Load a debuglink section and/or a debugaltlink section, if either are present. |
11135 | Recursively check the loaded files for more of these sections. | |
11136 | FIXME: Should also check for DWO_* entries in the newlu loaded files. */ | |
11137 | ||
11138 | static void | |
11139 | check_for_and_load_links (void * file, const char * filename) | |
11140 | { | |
11141 | void * handle = NULL; | |
11142 | ||
11143 | if (load_debug_section (gnu_debugaltlink, file)) | |
11144 | { | |
11145 | Build_id_data build_id_data; | |
11146 | ||
11147 | handle = load_separate_debug_info (filename, | |
11148 | & debug_displays[gnu_debugaltlink].section, | |
11149 | parse_gnu_debugaltlink, | |
11150 | check_gnu_debugaltlink, | |
11151 | & build_id_data, | |
11152 | file); | |
11153 | if (handle) | |
11154 | { | |
11155 | assert (handle == first_separate_info->handle); | |
11156 | check_for_and_load_links (first_separate_info->handle, | |
11157 | first_separate_info->filename); | |
11158 | } | |
11159 | } | |
11160 | ||
11161 | if (load_debug_section (gnu_debuglink, file)) | |
11162 | { | |
11163 | unsigned long crc32; | |
11164 | ||
11165 | handle = load_separate_debug_info (filename, | |
11166 | & debug_displays[gnu_debuglink].section, | |
11167 | parse_gnu_debuglink, | |
11168 | check_gnu_debuglink, | |
11169 | & crc32, | |
11170 | file); | |
11171 | if (handle) | |
11172 | { | |
11173 | assert (handle == first_separate_info->handle); | |
11174 | check_for_and_load_links (first_separate_info->handle, | |
11175 | first_separate_info->filename); | |
11176 | } | |
11177 | } | |
11178 | } | |
11179 | ||
24841daa NC |
11180 | /* Load the separate debug info file(s) attached to FILE, if any exist. |
11181 | Returns TRUE if any were found, FALSE otherwise. | |
11182 | If TRUE is returned then the linked list starting at first_separate_info | |
11183 | will be populated with open file handles. */ | |
dda8d76d | 11184 | |
24841daa NC |
11185 | bfd_boolean |
11186 | load_separate_debug_files (void * file, const char * filename) | |
dda8d76d | 11187 | { |
8de3a6e2 NC |
11188 | /* Skip this operation if we are not interested in debug links. */ |
11189 | if (! do_follow_links && ! do_debug_links) | |
24841daa | 11190 | return FALSE; |
8de3a6e2 | 11191 | |
24841daa | 11192 | /* See if there are any dwo links. */ |
d85bf2ba NC |
11193 | if (load_debug_section (str, file) |
11194 | && load_debug_section (abbrev, file) | |
11195 | && load_debug_section (info, file)) | |
11196 | { | |
24841daa | 11197 | free_dwo_info (); |
d85bf2ba | 11198 | |
50ea0877 NC |
11199 | if (process_debug_info (& debug_displays[info].section, file, abbrev, |
11200 | TRUE, FALSE)) | |
d85bf2ba | 11201 | { |
24841daa NC |
11202 | bfd_boolean introduced = FALSE; |
11203 | dwo_info * dwinfo; | |
11204 | const char * dir = NULL; | |
11205 | const char * id = NULL; | |
50ea0877 | 11206 | const char * name = NULL; |
24841daa NC |
11207 | |
11208 | for (dwinfo = first_dwo_info; dwinfo != NULL; dwinfo = dwinfo->next) | |
d85bf2ba | 11209 | { |
50ea0877 | 11210 | /* Accumulate NAME, DIR and ID fields. */ |
24841daa | 11211 | switch (dwinfo->type) |
d85bf2ba | 11212 | { |
24841daa | 11213 | case DWO_NAME: |
50ea0877 NC |
11214 | if (name != NULL) |
11215 | warn (_("Multiple DWO_NAMEs encountered for the same CU\n")); | |
11216 | name = dwinfo->value; | |
11217 | break; | |
11218 | ||
11219 | case DWO_DIR: | |
11220 | /* There can be multiple DW_AT_comp_dir entries in a CU, | |
11221 | so do not complain. */ | |
11222 | dir = dwinfo->value; | |
11223 | break; | |
11224 | ||
11225 | case DWO_ID: | |
11226 | if (id != NULL) | |
11227 | warn (_("multiple DWO_IDs encountered for the same CU\n")); | |
11228 | id = dwinfo->value; | |
11229 | break; | |
11230 | ||
11231 | default: | |
11232 | error (_("Unexpected DWO INFO type")); | |
11233 | break; | |
11234 | } | |
11235 | ||
11236 | /* If we have reached the end of our list, or we are changing | |
11237 | CUs, then display the information that we have accumulated | |
11238 | so far. */ | |
11239 | if (name != NULL | |
11240 | && (dwinfo->next == NULL | |
11241 | || dwinfo->next->cu_offset != dwinfo->cu_offset)) | |
11242 | { | |
24841daa NC |
11243 | if (do_debug_links) |
11244 | { | |
11245 | if (! introduced) | |
11246 | { | |
11247 | printf (_("The %s section contains link(s) to dwo file(s):\n\n"), | |
11248 | debug_displays [info].section.uncompressed_name); | |
11249 | introduced = TRUE; | |
11250 | } | |
d85bf2ba | 11251 | |
50ea0877 | 11252 | printf (_(" Name: %s\n"), name); |
24841daa NC |
11253 | printf (_(" Directory: %s\n"), dir ? dir : _("<not-found>")); |
11254 | if (id != NULL) | |
11255 | display_data (printf (_(" ID: ")), (unsigned char *) id, 8); | |
11256 | else | |
50ea0877 | 11257 | printf (_(" ID: <not specified>\n")); |
24841daa NC |
11258 | printf ("\n\n"); |
11259 | } | |
11260 | ||
11261 | if (do_follow_links) | |
50ea0877 | 11262 | load_dwo_file (filename, name, dir, id); |
24841daa | 11263 | |
50ea0877 | 11264 | name = dir = id = NULL; |
24841daa | 11265 | } |
d85bf2ba NC |
11266 | } |
11267 | } | |
11268 | } | |
11269 | ||
dda8d76d | 11270 | if (! do_follow_links) |
8de3a6e2 NC |
11271 | /* The other debug links will be displayed by display_debug_links() |
11272 | so we do not need to do any further processing here. */ | |
24841daa | 11273 | return FALSE; |
dda8d76d NC |
11274 | |
11275 | /* FIXME: We do not check for the presence of both link sections in the same file. */ | |
dda8d76d | 11276 | /* FIXME: We do not check for the presence of multiple, same-name debuglink sections. */ |
d85bf2ba | 11277 | /* FIXME: We do not check for the presence of a dwo link as well as a debuglink. */ |
dda8d76d | 11278 | |
ce139cd5 | 11279 | check_for_and_load_links (file, filename); |
24841daa NC |
11280 | if (first_separate_info != NULL) |
11281 | return TRUE; | |
11282 | ||
dda8d76d | 11283 | do_follow_links = 0; |
24841daa | 11284 | return FALSE; |
521d4b19 | 11285 | } |
dda8d76d | 11286 | |
19e6b90e L |
11287 | void |
11288 | free_debug_memory (void) | |
11289 | { | |
3f5e193b | 11290 | unsigned int i; |
19e6b90e | 11291 | |
bcd213b2 | 11292 | free_all_abbrevs (); |
19e6b90e | 11293 | |
bcd213b2 NC |
11294 | free (cu_abbrev_map); |
11295 | cu_abbrev_map = NULL; | |
11296 | next_free_abbrev_map_entry = 0; | |
521d4b19 | 11297 | |
288f0ba2 AM |
11298 | free (shndx_pool); |
11299 | shndx_pool = NULL; | |
11300 | shndx_pool_size = 0; | |
11301 | shndx_pool_used = 0; | |
11302 | free (cu_sets); | |
11303 | cu_sets = NULL; | |
11304 | cu_count = 0; | |
11305 | free (tu_sets); | |
11306 | tu_sets = NULL; | |
11307 | tu_count = 0; | |
11308 | ||
11309 | memset (level_type_signed, 0, sizeof level_type_signed); | |
11310 | cu_tu_indexes_read = -1; | |
11311 | ||
19e6b90e | 11312 | for (i = 0; i < max; i++) |
3f5e193b | 11313 | free_debug_section ((enum dwarf_section_display_enum) i); |
19e6b90e | 11314 | |
cc86f28f | 11315 | if (debug_information != NULL) |
19e6b90e | 11316 | { |
82fcdb39 | 11317 | for (i = 0; i < alloc_num_debug_info_entries; i++) |
19e6b90e | 11318 | { |
82fcdb39 | 11319 | if (debug_information [i].max_loc_offsets) |
19e6b90e | 11320 | { |
82fcdb39 AM |
11321 | free (debug_information [i].loc_offsets); |
11322 | free (debug_information [i].have_frame_base); | |
19e6b90e | 11323 | } |
82fcdb39 AM |
11324 | if (debug_information [i].max_range_lists) |
11325 | free (debug_information [i].range_lists); | |
19e6b90e L |
11326 | } |
11327 | free (debug_information); | |
11328 | debug_information = NULL; | |
82b1b41b | 11329 | alloc_num_debug_info_entries = num_debug_info_entries = 0; |
19e6b90e | 11330 | } |
dda8d76d | 11331 | |
24841daa NC |
11332 | separate_info * d; |
11333 | separate_info * next; | |
dda8d76d | 11334 | |
24841daa NC |
11335 | for (d = first_separate_info; d != NULL; d = next) |
11336 | { | |
11337 | close_debug_file (d->handle); | |
11338 | free ((void *) d->filename); | |
11339 | next = d->next; | |
11340 | free ((void *) d); | |
dda8d76d | 11341 | } |
24841daa | 11342 | first_separate_info = NULL; |
521d4b19 | 11343 | |
24841daa | 11344 | free_dwo_info (); |
19e6b90e L |
11345 | } |
11346 | ||
4cb93e3b TG |
11347 | void |
11348 | dwarf_select_sections_by_names (const char *names) | |
11349 | { | |
11350 | typedef struct | |
11351 | { | |
11352 | const char * option; | |
11353 | int * variable; | |
f9f0e732 | 11354 | int val; |
4cb93e3b TG |
11355 | } |
11356 | debug_dump_long_opts; | |
11357 | ||
11358 | static const debug_dump_long_opts opts_table [] = | |
11359 | { | |
11360 | /* Please keep this table alpha- sorted. */ | |
11361 | { "Ranges", & do_debug_ranges, 1 }, | |
11362 | { "abbrev", & do_debug_abbrevs, 1 }, | |
657d0d47 | 11363 | { "addr", & do_debug_addr, 1 }, |
4cb93e3b | 11364 | { "aranges", & do_debug_aranges, 1 }, |
657d0d47 CC |
11365 | { "cu_index", & do_debug_cu_index, 1 }, |
11366 | { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED }, | |
dda8d76d | 11367 | { "follow-links", & do_follow_links, 1 }, |
4cb93e3b TG |
11368 | { "frames", & do_debug_frames, 1 }, |
11369 | { "frames-interp", & do_debug_frames_interp, 1 }, | |
657d0d47 CC |
11370 | /* The special .gdb_index section. */ |
11371 | { "gdb_index", & do_gdb_index, 1 }, | |
4cb93e3b TG |
11372 | { "info", & do_debug_info, 1 }, |
11373 | { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */ | |
dda8d76d | 11374 | { "links", & do_debug_links, 1 }, |
4cb93e3b TG |
11375 | { "loc", & do_debug_loc, 1 }, |
11376 | { "macro", & do_debug_macinfo, 1 }, | |
c46b7066 | 11377 | { "no-follow-links", & do_follow_links, 0 }, |
4cb93e3b | 11378 | { "pubnames", & do_debug_pubnames, 1 }, |
357da287 | 11379 | { "pubtypes", & do_debug_pubtypes, 1 }, |
222c2bf0 | 11380 | /* This entry is for compatibility |
4cb93e3b TG |
11381 | with earlier versions of readelf. */ |
11382 | { "ranges", & do_debug_aranges, 1 }, | |
657d0d47 | 11383 | { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, |
4cb93e3b | 11384 | { "str", & do_debug_str, 1 }, |
e4b7104b | 11385 | { "str-offsets", & do_debug_str_offsets, 1 }, |
6f875884 TG |
11386 | /* These trace_* sections are used by Itanium VMS. */ |
11387 | { "trace_abbrev", & do_trace_abbrevs, 1 }, | |
11388 | { "trace_aranges", & do_trace_aranges, 1 }, | |
11389 | { "trace_info", & do_trace_info, 1 }, | |
4cb93e3b TG |
11390 | { NULL, NULL, 0 } |
11391 | }; | |
11392 | ||
11393 | const char *p; | |
467c65bc | 11394 | |
4cb93e3b TG |
11395 | p = names; |
11396 | while (*p) | |
11397 | { | |
11398 | const debug_dump_long_opts * entry; | |
467c65bc | 11399 | |
4cb93e3b TG |
11400 | for (entry = opts_table; entry->option; entry++) |
11401 | { | |
11402 | size_t len = strlen (entry->option); | |
467c65bc | 11403 | |
4cb93e3b TG |
11404 | if (strncmp (p, entry->option, len) == 0 |
11405 | && (p[len] == ',' || p[len] == '\0')) | |
11406 | { | |
c46b7066 | 11407 | * entry->variable = entry->val; |
467c65bc | 11408 | |
4cb93e3b TG |
11409 | /* The --debug-dump=frames-interp option also |
11410 | enables the --debug-dump=frames option. */ | |
11411 | if (do_debug_frames_interp) | |
11412 | do_debug_frames = 1; | |
11413 | ||
11414 | p += len; | |
11415 | break; | |
11416 | } | |
11417 | } | |
467c65bc | 11418 | |
4cb93e3b TG |
11419 | if (entry->option == NULL) |
11420 | { | |
11421 | warn (_("Unrecognized debug option '%s'\n"), p); | |
11422 | p = strchr (p, ','); | |
11423 | if (p == NULL) | |
11424 | break; | |
11425 | } | |
467c65bc | 11426 | |
4cb93e3b TG |
11427 | if (*p == ',') |
11428 | p++; | |
11429 | } | |
11430 | } | |
11431 | ||
11432 | void | |
11433 | dwarf_select_sections_by_letters (const char *letters) | |
11434 | { | |
91d6fa6a | 11435 | unsigned int lindex = 0; |
4cb93e3b | 11436 | |
91d6fa6a NC |
11437 | while (letters[lindex]) |
11438 | switch (letters[lindex++]) | |
4cb93e3b | 11439 | { |
dda8d76d NC |
11440 | case 'A': do_debug_addr = 1; break; |
11441 | case 'a': do_debug_abbrevs = 1; break; | |
11442 | case 'c': do_debug_cu_index = 1; break; | |
11443 | case 'F': do_debug_frames_interp = 1; /* Fall through. */ | |
11444 | case 'f': do_debug_frames = 1; break; | |
11445 | case 'g': do_gdb_index = 1; break; | |
11446 | case 'i': do_debug_info = 1; break; | |
11447 | case 'K': do_follow_links = 1; break; | |
c46b7066 | 11448 | case 'N': do_follow_links = 0; break; |
dda8d76d NC |
11449 | case 'k': do_debug_links = 1; break; |
11450 | case 'l': do_debug_lines |= FLAG_DEBUG_LINES_RAW; break; | |
11451 | case 'L': do_debug_lines |= FLAG_DEBUG_LINES_DECODED; break; | |
11452 | case 'm': do_debug_macinfo = 1; break; | |
e4b7104b | 11453 | case 'O': do_debug_str_offsets = 1; break; |
dda8d76d NC |
11454 | case 'o': do_debug_loc = 1; break; |
11455 | case 'p': do_debug_pubnames = 1; break; | |
11456 | case 'R': do_debug_ranges = 1; break; | |
11457 | case 'r': do_debug_aranges = 1; break; | |
11458 | case 's': do_debug_str = 1; break; | |
11459 | case 'T': do_trace_aranges = 1; break; | |
11460 | case 't': do_debug_pubtypes = 1; break; | |
11461 | case 'U': do_trace_info = 1; break; | |
11462 | case 'u': do_trace_abbrevs = 1; break; | |
467c65bc | 11463 | |
4cb93e3b | 11464 | default: |
7cc78d07 | 11465 | warn (_("Unrecognized debug option '%s'\n"), letters); |
4cb93e3b TG |
11466 | break; |
11467 | } | |
11468 | } | |
11469 | ||
11470 | void | |
11471 | dwarf_select_sections_all (void) | |
11472 | { | |
11473 | do_debug_info = 1; | |
11474 | do_debug_abbrevs = 1; | |
11475 | do_debug_lines = FLAG_DEBUG_LINES_RAW; | |
11476 | do_debug_pubnames = 1; | |
f9f0e732 | 11477 | do_debug_pubtypes = 1; |
4cb93e3b TG |
11478 | do_debug_aranges = 1; |
11479 | do_debug_ranges = 1; | |
11480 | do_debug_frames = 1; | |
11481 | do_debug_macinfo = 1; | |
11482 | do_debug_str = 1; | |
11483 | do_debug_loc = 1; | |
5bbdf3d5 | 11484 | do_gdb_index = 1; |
6f875884 TG |
11485 | do_trace_info = 1; |
11486 | do_trace_abbrevs = 1; | |
11487 | do_trace_aranges = 1; | |
657d0d47 CC |
11488 | do_debug_addr = 1; |
11489 | do_debug_cu_index = 1; | |
dda8d76d NC |
11490 | do_follow_links = 1; |
11491 | do_debug_links = 1; | |
e4b7104b | 11492 | do_debug_str_offsets = 1; |
4cb93e3b TG |
11493 | } |
11494 | ||
208599d9 AM |
11495 | #define NO_ABBREVS NULL, NULL, NULL, 0, 0, 0, NULL, 0 |
11496 | #define ABBREV(N) NULL, NULL, NULL, 0, 0, N, NULL, 0 | |
dda8d76d NC |
11497 | |
11498 | /* N.B. The order here must match the order in section_display_enum. */ | |
11499 | ||
19e6b90e L |
11500 | struct dwarf_section_display debug_displays[] = |
11501 | { | |
dda8d76d NC |
11502 | { { ".debug_abbrev", ".zdebug_abbrev", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE }, |
11503 | { { ".debug_aranges", ".zdebug_aranges", NO_ABBREVS }, display_debug_aranges, &do_debug_aranges, TRUE }, | |
11504 | { { ".debug_frame", ".zdebug_frame", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE }, | |
11505 | { { ".debug_info", ".zdebug_info", ABBREV (abbrev)}, display_debug_info, &do_debug_info, TRUE }, | |
11506 | { { ".debug_line", ".zdebug_line", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE }, | |
11507 | { { ".debug_pubnames", ".zdebug_pubnames", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubnames, FALSE }, | |
11508 | { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubnames, FALSE }, | |
11509 | { { ".eh_frame", "", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE }, | |
11510 | { { ".debug_macinfo", ".zdebug_macinfo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE }, | |
11511 | { { ".debug_macro", ".zdebug_macro", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE }, | |
11512 | { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE }, | |
11513 | { { ".debug_line_str", ".zdebug_line_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE }, | |
11514 | { { ".debug_loc", ".zdebug_loc", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE }, | |
11515 | { { ".debug_loclists", ".zdebug_loclists", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE }, | |
11516 | { { ".debug_pubtypes", ".zdebug_pubtypes", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubtypes, FALSE }, | |
11517 | { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubtypes, FALSE }, | |
11518 | { { ".debug_ranges", ".zdebug_ranges", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE }, | |
11519 | { { ".debug_rnglists", ".zdebug_rnglists", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE }, | |
11520 | { { ".debug_static_func", ".zdebug_static_func", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE }, | |
11521 | { { ".debug_static_vars", ".zdebug_static_vars", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE }, | |
11522 | { { ".debug_types", ".zdebug_types", ABBREV (abbrev) }, display_debug_types, &do_debug_info, TRUE }, | |
11523 | { { ".debug_weaknames", ".zdebug_weaknames", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE }, | |
11524 | { { ".gdb_index", "", NO_ABBREVS }, display_gdb_index, &do_gdb_index, FALSE }, | |
11525 | { { ".debug_names", "", NO_ABBREVS }, display_debug_names, &do_gdb_index, FALSE }, | |
11526 | { { ".trace_info", "", ABBREV (trace_abbrev) }, display_trace_info, &do_trace_info, TRUE }, | |
11527 | { { ".trace_abbrev", "", NO_ABBREVS }, display_debug_abbrev, &do_trace_abbrevs, FALSE }, | |
11528 | { { ".trace_aranges", "", NO_ABBREVS }, display_debug_aranges, &do_trace_aranges, FALSE }, | |
11529 | { { ".debug_info.dwo", ".zdebug_info.dwo", ABBREV (abbrev_dwo) }, display_debug_info, &do_debug_info, TRUE }, | |
11530 | { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE }, | |
11531 | { { ".debug_types.dwo", ".zdebug_types.dwo", ABBREV (abbrev_dwo) }, display_debug_types, &do_debug_info, TRUE }, | |
11532 | { { ".debug_line.dwo", ".zdebug_line.dwo", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE }, | |
11533 | { { ".debug_loc.dwo", ".zdebug_loc.dwo", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE }, | |
11534 | { { ".debug_macro.dwo", ".zdebug_macro.dwo", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE }, | |
11535 | { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE }, | |
11536 | { { ".debug_str.dwo", ".zdebug_str.dwo", NO_ABBREVS }, display_debug_str, &do_debug_str, TRUE }, | |
e4b7104b NC |
11537 | { { ".debug_str_offsets", ".zdebug_str_offsets", NO_ABBREVS }, display_debug_str_offsets, &do_debug_str_offsets, TRUE }, |
11538 | { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NO_ABBREVS }, display_debug_str_offsets, &do_debug_str_offsets, TRUE }, | |
dda8d76d NC |
11539 | { { ".debug_addr", ".zdebug_addr", NO_ABBREVS }, display_debug_addr, &do_debug_addr, TRUE }, |
11540 | { { ".debug_cu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE }, | |
11541 | { { ".debug_tu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE }, | |
11542 | { { ".gnu_debuglink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE }, | |
11543 | { { ".gnu_debugaltlink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE }, | |
11544 | /* Separate debug info files can containt their own .debug_str section, | |
11545 | and this might be in *addition* to a .debug_str section already present | |
11546 | in the main file. Hence we need to have two entries for .debug_str. */ | |
11547 | { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE }, | |
19e6b90e | 11548 | }; |
b451e98a JK |
11549 | |
11550 | /* A static assertion. */ | |
11551 | extern int debug_displays_assert[ARRAY_SIZE (debug_displays) == max ? 1 : -1]; |