Commit | Line | Data |
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19e6b90e | 1 | /* dwarf.c -- display DWARF contents of a BFD binary file |
b3adc24a | 2 | Copyright (C) 2005-2020 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 | ||
61364358 JK |
39 | #undef MAX |
40 | #undef MIN | |
41 | #define MAX(a, b) ((a) > (b) ? (a) : (b)) | |
42 | #define MIN(a, b) ((a) < (b) ? (a) : (b)) | |
19e6b90e | 43 | |
18464d4d | 44 | static const char *regname (unsigned int regno, int row); |
1296bc99 | 45 | static const char *regname_internal_by_table_only (unsigned int regno); |
18464d4d | 46 | |
19e6b90e L |
47 | static int have_frame_base; |
48 | static int need_base_address; | |
49 | ||
19e6b90e | 50 | static unsigned int num_debug_info_entries = 0; |
82b1b41b | 51 | static unsigned int alloc_num_debug_info_entries = 0; |
19e6b90e | 52 | static debug_info *debug_information = NULL; |
cc86f28f NC |
53 | /* Special value for num_debug_info_entries to indicate |
54 | that the .debug_info section could not be loaded/parsed. */ | |
55 | #define DEBUG_INFO_UNAVAILABLE (unsigned int) -1 | |
19e6b90e | 56 | |
24841daa NC |
57 | /* A .debug_info section can contain multiple links to separate |
58 | DWO object files. We use these structures to record these links. */ | |
59 | typedef enum dwo_type | |
60 | { | |
61 | DWO_NAME, | |
62 | DWO_DIR, | |
63 | DWO_ID | |
64 | } dwo_type; | |
65 | ||
66 | typedef struct dwo_info | |
67 | { | |
68 | dwo_type type; | |
69 | const char * value; | |
70 | struct dwo_info * next; | |
71 | } dwo_info; | |
72 | ||
73 | static dwo_info * first_dwo_info = NULL; | |
74 | static bfd_boolean need_dwo_info; | |
75 | ||
76 | separate_info * first_separate_info = NULL; | |
d85bf2ba | 77 | |
77ef8654 | 78 | unsigned int eh_addr_size; |
19e6b90e L |
79 | |
80 | int do_debug_info; | |
81 | int do_debug_abbrevs; | |
82 | int do_debug_lines; | |
83 | int do_debug_pubnames; | |
f9f0e732 | 84 | int do_debug_pubtypes; |
19e6b90e L |
85 | int do_debug_aranges; |
86 | int do_debug_ranges; | |
87 | int do_debug_frames; | |
88 | int do_debug_frames_interp; | |
89 | int do_debug_macinfo; | |
90 | int do_debug_str; | |
91 | int do_debug_loc; | |
5bbdf3d5 | 92 | int do_gdb_index; |
6f875884 TG |
93 | int do_trace_info; |
94 | int do_trace_abbrevs; | |
95 | int do_trace_aranges; | |
657d0d47 CC |
96 | int do_debug_addr; |
97 | int do_debug_cu_index; | |
a262ae96 | 98 | int do_wide; |
dda8d76d NC |
99 | int do_debug_links; |
100 | int do_follow_links; | |
19e6b90e | 101 | |
fd2f0033 TT |
102 | int dwarf_cutoff_level = -1; |
103 | unsigned long dwarf_start_die; | |
104 | ||
4723351a CC |
105 | int dwarf_check = 0; |
106 | ||
9f272209 AO |
107 | /* Convenient constant, to avoid having to cast -1 to dwarf_vma when |
108 | testing whether e.g. a locview list is present. */ | |
109 | static const dwarf_vma vm1 = -1; | |
110 | ||
341f9135 CC |
111 | /* Collection of CU/TU section sets from .debug_cu_index and .debug_tu_index |
112 | sections. For version 1 package files, each set is stored in SHNDX_POOL | |
113 | as a zero-terminated list of section indexes comprising one set of debug | |
114 | sections from a .dwo file. */ | |
115 | ||
341f9135 CC |
116 | static unsigned int *shndx_pool = NULL; |
117 | static unsigned int shndx_pool_size = 0; | |
118 | static unsigned int shndx_pool_used = 0; | |
119 | ||
120 | /* For version 2 package files, each set contains an array of section offsets | |
121 | and an array of section sizes, giving the offset and size of the | |
122 | contribution from a CU or TU within one of the debug sections. | |
123 | When displaying debug info from a package file, we need to use these | |
124 | tables to locate the corresponding contributions to each section. */ | |
125 | ||
126 | struct cu_tu_set | |
127 | { | |
ec1b0fbb NC |
128 | uint64_t signature; |
129 | dwarf_vma section_offsets[DW_SECT_MAX]; | |
130 | size_t section_sizes[DW_SECT_MAX]; | |
341f9135 CC |
131 | }; |
132 | ||
133 | static int cu_count = 0; | |
134 | static int tu_count = 0; | |
135 | static struct cu_tu_set *cu_sets = NULL; | |
136 | static struct cu_tu_set *tu_sets = NULL; | |
137 | ||
43a444f9 | 138 | static bfd_boolean load_cu_tu_indexes (void *); |
341f9135 | 139 | |
ec1b0fbb NC |
140 | /* An array that indicates for a given level of CU nesting whether |
141 | the latest DW_AT_type seen for that level was a signed type or | |
142 | an unsigned type. */ | |
143 | #define MAX_CU_NESTING (1 << 8) | |
144 | static bfd_boolean level_type_signed[MAX_CU_NESTING]; | |
145 | ||
4cb93e3b TG |
146 | /* Values for do_debug_lines. */ |
147 | #define FLAG_DEBUG_LINES_RAW 1 | |
148 | #define FLAG_DEBUG_LINES_DECODED 2 | |
149 | ||
77ef8654 | 150 | static unsigned int |
f1c4cc75 RH |
151 | size_of_encoded_value (int encoding) |
152 | { | |
153 | switch (encoding & 0x7) | |
154 | { | |
155 | default: /* ??? */ | |
156 | case 0: return eh_addr_size; | |
157 | case 2: return 2; | |
158 | case 3: return 4; | |
159 | case 4: return 8; | |
160 | } | |
161 | } | |
162 | ||
163 | static dwarf_vma | |
041830e0 | 164 | get_encoded_value (unsigned char **pdata, |
bad62cf5 | 165 | int encoding, |
041830e0 NC |
166 | struct dwarf_section *section, |
167 | unsigned char * end) | |
f1c4cc75 | 168 | { |
041830e0 | 169 | unsigned char * data = * pdata; |
6937bb54 | 170 | unsigned int size = size_of_encoded_value (encoding); |
bad62cf5 | 171 | dwarf_vma val; |
f1c4cc75 | 172 | |
041830e0 NC |
173 | if (data + size >= end) |
174 | { | |
175 | warn (_("Encoded value extends past end of section\n")); | |
176 | * pdata = end; | |
177 | return 0; | |
178 | } | |
179 | ||
6937bb54 NC |
180 | /* PR 17512: file: 002-829853-0.004. */ |
181 | if (size > 8) | |
182 | { | |
183 | warn (_("Encoded size of %d is too large to read\n"), size); | |
184 | * pdata = end; | |
185 | return 0; | |
186 | } | |
187 | ||
0a9d414a NC |
188 | /* PR 17512: file: 1085-5603-0.004. */ |
189 | if (size == 0) | |
190 | { | |
191 | warn (_("Encoded size of 0 is too small to read\n")); | |
192 | * pdata = end; | |
193 | return 0; | |
194 | } | |
195 | ||
f1c4cc75 | 196 | if (encoding & DW_EH_PE_signed) |
bad62cf5 | 197 | val = byte_get_signed (data, size); |
f1c4cc75 | 198 | else |
bad62cf5 AM |
199 | val = byte_get (data, size); |
200 | ||
201 | if ((encoding & 0x70) == DW_EH_PE_pcrel) | |
202 | val += section->address + (data - section->start); | |
041830e0 NC |
203 | |
204 | * pdata = data + size; | |
bad62cf5 | 205 | return val; |
f1c4cc75 RH |
206 | } |
207 | ||
4c219c2e AM |
208 | #if defined HAVE_LONG_LONG && SIZEOF_LONG_LONG > SIZEOF_LONG |
209 | # ifndef __MINGW32__ | |
210 | # define DWARF_VMA_FMT "ll" | |
211 | # define DWARF_VMA_FMT_LONG "%16.16llx" | |
212 | # else | |
213 | # define DWARF_VMA_FMT "I64" | |
214 | # define DWARF_VMA_FMT_LONG "%016I64x" | |
215 | # endif | |
2e14fae2 | 216 | #else |
4c219c2e AM |
217 | # define DWARF_VMA_FMT "l" |
218 | # define DWARF_VMA_FMT_LONG "%16.16lx" | |
2d9472a2 NC |
219 | #endif |
220 | ||
bf5117e3 NC |
221 | /* Convert a dwarf vma value into a string. Returns a pointer to a static |
222 | buffer containing the converted VALUE. The value is converted according | |
223 | to the printf formating character FMTCH. If NUM_BYTES is non-zero then | |
224 | it specifies the maximum number of bytes to be displayed in the converted | |
225 | value and FMTCH is ignored - hex is always used. */ | |
467c65bc | 226 | |
47704ddf | 227 | static const char * |
bf5117e3 | 228 | dwarf_vmatoa_1 (const char *fmtch, dwarf_vma value, unsigned num_bytes) |
47704ddf KT |
229 | { |
230 | /* As dwarf_vmatoa is used more then once in a printf call | |
231 | for output, we are cycling through an fixed array of pointers | |
232 | for return address. */ | |
233 | static int buf_pos = 0; | |
467c65bc NC |
234 | static struct dwarf_vmatoa_buf |
235 | { | |
47704ddf KT |
236 | char place[64]; |
237 | } buf[16]; | |
47704ddf KT |
238 | char *ret; |
239 | ||
47704ddf | 240 | ret = buf[buf_pos++].place; |
467c65bc | 241 | buf_pos %= ARRAY_SIZE (buf); |
47704ddf | 242 | |
bf5117e3 NC |
243 | if (num_bytes) |
244 | { | |
222c2bf0 | 245 | /* Printf does not have a way of specifying a maximum field width for an |
bf5117e3 NC |
246 | integer value, so we print the full value into a buffer and then select |
247 | the precision we need. */ | |
248 | snprintf (ret, sizeof (buf[0].place), DWARF_VMA_FMT_LONG, value); | |
249 | if (num_bytes > 8) | |
250 | num_bytes = 8; | |
251 | return ret + (16 - 2 * num_bytes); | |
252 | } | |
253 | else | |
254 | { | |
255 | char fmt[32]; | |
256 | ||
0bae9e9e NC |
257 | if (fmtch) |
258 | sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch); | |
259 | else | |
260 | sprintf (fmt, "%%%s", DWARF_VMA_FMT); | |
bf5117e3 NC |
261 | snprintf (ret, sizeof (buf[0].place), fmt, value); |
262 | return ret; | |
263 | } | |
264 | } | |
47704ddf | 265 | |
bf5117e3 NC |
266 | static inline const char * |
267 | dwarf_vmatoa (const char * fmtch, dwarf_vma value) | |
268 | { | |
269 | return dwarf_vmatoa_1 (fmtch, value, 0); | |
270 | } | |
271 | ||
272 | /* Print a dwarf_vma value (typically an address, offset or length) in | |
273 | hexadecimal format, followed by a space. The length of the VALUE (and | |
274 | hence the precision displayed) is determined by the NUM_BYTES parameter. */ | |
275 | ||
276 | static void | |
277 | print_dwarf_vma (dwarf_vma value, unsigned num_bytes) | |
278 | { | |
279 | printf ("%s ", dwarf_vmatoa_1 (NULL, value, num_bytes)); | |
47704ddf KT |
280 | } |
281 | ||
9f272209 AO |
282 | /* Print a view number in hexadecimal value, with the same width |
283 | print_dwarf_vma would have printed it with the same num_bytes. | |
284 | Print blanks for zero view, unless force is nonzero. */ | |
285 | ||
286 | static void | |
287 | print_dwarf_view (dwarf_vma value, unsigned num_bytes, int force) | |
288 | { | |
289 | int len; | |
290 | if (!num_bytes) | |
291 | len = 4; | |
292 | else | |
293 | len = num_bytes * 2; | |
294 | ||
295 | assert (value == (unsigned long) value); | |
296 | if (value || force) | |
297 | printf ("v%0*lx ", len - 1, (unsigned long) value); | |
298 | else | |
299 | printf ("%*s", len + 1, ""); | |
300 | } | |
301 | ||
74bc6052 CC |
302 | /* Format a 64-bit value, given as two 32-bit values, in hex. |
303 | For reentrancy, this uses a buffer provided by the caller. */ | |
304 | ||
305 | static const char * | |
306 | dwarf_vmatoa64 (dwarf_vma hvalue, dwarf_vma lvalue, char *buf, | |
307 | unsigned int buf_len) | |
308 | { | |
309 | int len = 0; | |
310 | ||
311 | if (hvalue == 0) | |
312 | snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", lvalue); | |
313 | else | |
314 | { | |
315 | len = snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", hvalue); | |
316 | snprintf (buf + len, buf_len - len, | |
317 | "%08" DWARF_VMA_FMT "x", lvalue); | |
318 | } | |
319 | ||
320 | return buf; | |
321 | } | |
322 | ||
f6f0e17b NC |
323 | /* Read in a LEB128 encoded value starting at address DATA. |
324 | If SIGN is true, return a signed LEB128 value. | |
325 | If LENGTH_RETURN is not NULL, return in it the number of bytes read. | |
cd30bcef AM |
326 | If STATUS_RETURN in not NULL, return with bit 0 (LSB) set if the |
327 | terminating byte was not found and with bit 1 set if the value | |
328 | overflows a dwarf_vma. | |
f6f0e17b NC |
329 | No bytes will be read at address END or beyond. */ |
330 | ||
467c65bc | 331 | dwarf_vma |
f6f0e17b | 332 | read_leb128 (unsigned char *data, |
cd30bcef | 333 | const unsigned char *const end, |
f6f0e17b | 334 | bfd_boolean sign, |
cd30bcef AM |
335 | unsigned int *length_return, |
336 | int *status_return) | |
19e6b90e | 337 | { |
467c65bc | 338 | dwarf_vma result = 0; |
19e6b90e L |
339 | unsigned int num_read = 0; |
340 | unsigned int shift = 0; | |
cd30bcef | 341 | int status = 1; |
19e6b90e | 342 | |
f6f0e17b | 343 | while (data < end) |
19e6b90e | 344 | { |
cd30bcef | 345 | unsigned char byte = *data++; |
19e6b90e L |
346 | num_read++; |
347 | ||
cd30bcef AM |
348 | if (shift < sizeof (result) * 8) |
349 | { | |
350 | result |= ((dwarf_vma) (byte & 0x7f)) << shift; | |
351 | if ((result >> shift) != (byte & 0x7f)) | |
352 | /* Overflow. */ | |
353 | status |= 2; | |
354 | shift += 7; | |
355 | } | |
356 | else if ((byte & 0x7f) != 0) | |
357 | status |= 2; | |
19e6b90e | 358 | |
f6f0e17b | 359 | if ((byte & 0x80) == 0) |
cd30bcef AM |
360 | { |
361 | status &= ~1; | |
362 | if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40)) | |
363 | result |= -((dwarf_vma) 1 << shift); | |
364 | break; | |
365 | } | |
19e6b90e | 366 | } |
19e6b90e L |
367 | |
368 | if (length_return != NULL) | |
369 | *length_return = num_read; | |
cd30bcef AM |
370 | if (status_return != NULL) |
371 | *status_return = status; | |
19e6b90e L |
372 | |
373 | return result; | |
374 | } | |
375 | ||
d11ae95e NC |
376 | /* Read AMOUNT bytes from PTR and store them in VAL as an unsigned value. |
377 | Checks to make sure that the read will not reach or pass END | |
378 | and that VAL is big enough to hold AMOUNT bytes. */ | |
0c588247 NC |
379 | #define SAFE_BYTE_GET(VAL, PTR, AMOUNT, END) \ |
380 | do \ | |
381 | { \ | |
382 | unsigned int amount = (AMOUNT); \ | |
34b9f729 NC |
383 | if (sizeof (VAL) < amount) \ |
384 | { \ | |
d3a49aa8 AM |
385 | error (ngettext ("internal error: attempt to read %d byte " \ |
386 | "of data in to %d sized variable", \ | |
387 | "internal error: attempt to read %d bytes " \ | |
388 | "of data in to %d sized variable", \ | |
389 | amount), \ | |
34b9f729 NC |
390 | amount, (int) sizeof (VAL)); \ |
391 | amount = sizeof (VAL); \ | |
392 | } \ | |
0c588247 NC |
393 | if (((PTR) + amount) >= (END)) \ |
394 | { \ | |
395 | if ((PTR) < (END)) \ | |
396 | amount = (END) - (PTR); \ | |
397 | else \ | |
398 | amount = 0; \ | |
399 | } \ | |
6937bb54 | 400 | if (amount == 0 || amount > 8) \ |
0c588247 | 401 | VAL = 0; \ |
6937bb54 NC |
402 | else \ |
403 | VAL = byte_get ((PTR), amount); \ | |
0c588247 NC |
404 | } \ |
405 | while (0) | |
406 | ||
d11ae95e | 407 | /* Like SAFE_BYTE_GET, but also increments PTR by AMOUNT. */ |
0c588247 NC |
408 | #define SAFE_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \ |
409 | do \ | |
410 | { \ | |
411 | SAFE_BYTE_GET (VAL, PTR, AMOUNT, END); \ | |
412 | PTR += AMOUNT; \ | |
413 | } \ | |
414 | while (0) | |
415 | ||
d11ae95e | 416 | /* Like SAFE_BYTE_GET, but reads a signed value. */ |
0c588247 NC |
417 | #define SAFE_SIGNED_BYTE_GET(VAL, PTR, AMOUNT, END) \ |
418 | do \ | |
419 | { \ | |
420 | unsigned int amount = (AMOUNT); \ | |
421 | if (((PTR) + amount) >= (END)) \ | |
422 | { \ | |
423 | if ((PTR) < (END)) \ | |
424 | amount = (END) - (PTR); \ | |
425 | else \ | |
426 | amount = 0; \ | |
427 | } \ | |
428 | if (amount) \ | |
429 | VAL = byte_get_signed ((PTR), amount); \ | |
430 | else \ | |
431 | VAL = 0; \ | |
432 | } \ | |
433 | while (0) | |
434 | ||
d11ae95e | 435 | /* Like SAFE_SIGNED_BYTE_GET, but also increments PTR by AMOUNT. */ |
0c588247 NC |
436 | #define SAFE_SIGNED_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \ |
437 | do \ | |
438 | { \ | |
439 | SAFE_SIGNED_BYTE_GET (VAL, PTR, AMOUNT, END); \ | |
440 | PTR += AMOUNT; \ | |
441 | } \ | |
442 | while (0) | |
443 | ||
444 | #define SAFE_BYTE_GET64(PTR, HIGH, LOW, END) \ | |
445 | do \ | |
446 | { \ | |
87bc83b3 | 447 | if (((PTR) + 8) <= (END)) \ |
0c588247 NC |
448 | { \ |
449 | byte_get_64 ((PTR), (HIGH), (LOW)); \ | |
450 | } \ | |
451 | else \ | |
452 | { \ | |
0c588247 NC |
453 | * (LOW) = * (HIGH) = 0; \ |
454 | } \ | |
455 | } \ | |
456 | while (0) | |
457 | ||
19e6b90e L |
458 | typedef struct State_Machine_Registers |
459 | { | |
467c65bc | 460 | dwarf_vma address; |
ba8826a8 | 461 | unsigned int view; |
19e6b90e L |
462 | unsigned int file; |
463 | unsigned int line; | |
464 | unsigned int column; | |
465 | int is_stmt; | |
466 | int basic_block; | |
a233b20c JJ |
467 | unsigned char op_index; |
468 | unsigned char end_sequence; | |
ba8826a8 AO |
469 | /* This variable hold the number of the last entry seen |
470 | in the File Table. */ | |
19e6b90e L |
471 | unsigned int last_file_entry; |
472 | } SMR; | |
473 | ||
474 | static SMR state_machine_regs; | |
475 | ||
476 | static void | |
477 | reset_state_machine (int is_stmt) | |
478 | { | |
479 | state_machine_regs.address = 0; | |
ba8826a8 | 480 | state_machine_regs.view = 0; |
a233b20c | 481 | state_machine_regs.op_index = 0; |
19e6b90e L |
482 | state_machine_regs.file = 1; |
483 | state_machine_regs.line = 1; | |
484 | state_machine_regs.column = 0; | |
485 | state_machine_regs.is_stmt = is_stmt; | |
486 | state_machine_regs.basic_block = 0; | |
487 | state_machine_regs.end_sequence = 0; | |
488 | state_machine_regs.last_file_entry = 0; | |
489 | } | |
490 | ||
491 | /* Handled an extend line op. | |
492 | Returns the number of bytes read. */ | |
493 | ||
cd30bcef | 494 | static size_t |
f6f0e17b NC |
495 | process_extended_line_op (unsigned char * data, |
496 | int is_stmt, | |
497 | unsigned char * end) | |
19e6b90e L |
498 | { |
499 | unsigned char op_code; | |
cd30bcef | 500 | size_t len, header_len; |
19e6b90e | 501 | unsigned char *name; |
143a3db0 | 502 | unsigned char *orig_data = data; |
cd30bcef | 503 | dwarf_vma adr, val; |
19e6b90e | 504 | |
cd30bcef AM |
505 | READ_ULEB (len, data, end); |
506 | header_len = data - orig_data; | |
19e6b90e | 507 | |
cd30bcef | 508 | if (len == 0 || data == end || len > (size_t) (end - data)) |
19e6b90e | 509 | { |
f41e4712 | 510 | warn (_("Badly formed extended line op encountered!\n")); |
cd30bcef | 511 | return header_len; |
19e6b90e L |
512 | } |
513 | ||
19e6b90e L |
514 | op_code = *data++; |
515 | ||
516 | printf (_(" Extended opcode %d: "), op_code); | |
517 | ||
518 | switch (op_code) | |
519 | { | |
520 | case DW_LNE_end_sequence: | |
521 | printf (_("End of Sequence\n\n")); | |
522 | reset_state_machine (is_stmt); | |
523 | break; | |
524 | ||
525 | case DW_LNE_set_address: | |
6937bb54 | 526 | /* PR 17512: file: 002-100480-0.004. */ |
cd30bcef | 527 | if (len - 1 > 8) |
77ef8654 | 528 | { |
cd30bcef AM |
529 | warn (_("Length (%lu) of DW_LNE_set_address op is too long\n"), |
530 | (unsigned long) len - 1); | |
77ef8654 NC |
531 | adr = 0; |
532 | } | |
533 | else | |
cd30bcef | 534 | SAFE_BYTE_GET (adr, data, len - 1, end); |
47704ddf | 535 | printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr)); |
19e6b90e | 536 | state_machine_regs.address = adr; |
ba8826a8 | 537 | state_machine_regs.view = 0; |
a233b20c | 538 | state_machine_regs.op_index = 0; |
19e6b90e L |
539 | break; |
540 | ||
541 | case DW_LNE_define_file: | |
143a3db0 | 542 | printf (_("define new File Table entry\n")); |
19e6b90e | 543 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); |
cc5914eb | 544 | printf (" %d\t", ++state_machine_regs.last_file_entry); |
f6f0e17b | 545 | |
d949ff56 NC |
546 | { |
547 | size_t l; | |
548 | ||
549 | name = data; | |
550 | l = strnlen ((char *) data, end - data); | |
cd30bcef AM |
551 | data += l + 1; |
552 | READ_ULEB (val, data, end); | |
553 | printf ("%s\t", dwarf_vmatoa ("u", val)); | |
554 | READ_ULEB (val, data, end); | |
555 | printf ("%s\t", dwarf_vmatoa ("u", val)); | |
556 | READ_ULEB (val, data, end); | |
557 | printf ("%s\t", dwarf_vmatoa ("u", val)); | |
d949ff56 NC |
558 | printf ("%.*s\n\n", (int) l, name); |
559 | } | |
f6f0e17b | 560 | |
cd30bcef | 561 | if (((size_t) (data - orig_data) != len + header_len) || data == end) |
b4eb7656 | 562 | warn (_("DW_LNE_define_file: Bad opcode length\n")); |
19e6b90e L |
563 | break; |
564 | ||
ed4a4bdf | 565 | case DW_LNE_set_discriminator: |
cd30bcef AM |
566 | READ_ULEB (val, data, end); |
567 | printf (_("set Discriminator to %s\n"), dwarf_vmatoa ("u", val)); | |
ed4a4bdf CC |
568 | break; |
569 | ||
e2a0d921 NC |
570 | /* HP extensions. */ |
571 | case DW_LNE_HP_negate_is_UV_update: | |
ed4a4bdf | 572 | printf ("DW_LNE_HP_negate_is_UV_update\n"); |
e2a0d921 NC |
573 | break; |
574 | case DW_LNE_HP_push_context: | |
ed4a4bdf | 575 | printf ("DW_LNE_HP_push_context\n"); |
e2a0d921 NC |
576 | break; |
577 | case DW_LNE_HP_pop_context: | |
ed4a4bdf | 578 | printf ("DW_LNE_HP_pop_context\n"); |
e2a0d921 NC |
579 | break; |
580 | case DW_LNE_HP_set_file_line_column: | |
ed4a4bdf | 581 | printf ("DW_LNE_HP_set_file_line_column\n"); |
e2a0d921 NC |
582 | break; |
583 | case DW_LNE_HP_set_routine_name: | |
ed4a4bdf | 584 | printf ("DW_LNE_HP_set_routine_name\n"); |
e2a0d921 NC |
585 | break; |
586 | case DW_LNE_HP_set_sequence: | |
ed4a4bdf | 587 | printf ("DW_LNE_HP_set_sequence\n"); |
e2a0d921 NC |
588 | break; |
589 | case DW_LNE_HP_negate_post_semantics: | |
ed4a4bdf | 590 | printf ("DW_LNE_HP_negate_post_semantics\n"); |
e2a0d921 NC |
591 | break; |
592 | case DW_LNE_HP_negate_function_exit: | |
ed4a4bdf | 593 | printf ("DW_LNE_HP_negate_function_exit\n"); |
e2a0d921 NC |
594 | break; |
595 | case DW_LNE_HP_negate_front_end_logical: | |
ed4a4bdf | 596 | printf ("DW_LNE_HP_negate_front_end_logical\n"); |
e2a0d921 NC |
597 | break; |
598 | case DW_LNE_HP_define_proc: | |
ed4a4bdf | 599 | printf ("DW_LNE_HP_define_proc\n"); |
e2a0d921 | 600 | break; |
43294ab7 TG |
601 | case DW_LNE_HP_source_file_correlation: |
602 | { | |
cd30bcef | 603 | unsigned char *edata = data + len - 1; |
b4eb7656 AM |
604 | |
605 | printf ("DW_LNE_HP_source_file_correlation\n"); | |
606 | ||
607 | while (data < edata) | |
608 | { | |
609 | unsigned int opc; | |
610 | ||
cd30bcef | 611 | READ_ULEB (opc, data, edata); |
b4eb7656 AM |
612 | |
613 | switch (opc) | |
614 | { | |
615 | case DW_LNE_HP_SFC_formfeed: | |
616 | printf (" DW_LNE_HP_SFC_formfeed\n"); | |
617 | break; | |
618 | case DW_LNE_HP_SFC_set_listing_line: | |
cd30bcef | 619 | READ_ULEB (val, data, edata); |
b4eb7656 | 620 | printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n", |
cd30bcef | 621 | dwarf_vmatoa ("u", val)); |
b4eb7656 AM |
622 | break; |
623 | case DW_LNE_HP_SFC_associate: | |
624 | printf (" DW_LNE_HP_SFC_associate "); | |
cd30bcef AM |
625 | READ_ULEB (val, data, edata); |
626 | printf ("(%s", dwarf_vmatoa ("u", val)); | |
627 | READ_ULEB (val, data, edata); | |
628 | printf (",%s", dwarf_vmatoa ("u", val)); | |
629 | READ_ULEB (val, data, edata); | |
630 | printf (",%s)\n", dwarf_vmatoa ("u", val)); | |
b4eb7656 AM |
631 | break; |
632 | default: | |
633 | printf (_(" UNKNOWN DW_LNE_HP_SFC opcode (%u)\n"), opc); | |
634 | data = edata; | |
635 | break; | |
636 | } | |
637 | } | |
43294ab7 TG |
638 | } |
639 | break; | |
cecf136e | 640 | |
19e6b90e | 641 | default: |
7e665af3 | 642 | { |
cd30bcef | 643 | unsigned int rlen = len - 1; |
b4eb7656 AM |
644 | |
645 | if (op_code >= DW_LNE_lo_user | |
646 | /* The test against DW_LNW_hi_user is redundant due to | |
647 | the limited range of the unsigned char data type used | |
648 | for op_code. */ | |
649 | /*&& op_code <= DW_LNE_hi_user*/) | |
650 | printf (_("user defined: ")); | |
651 | else | |
652 | printf (_("UNKNOWN: ")); | |
653 | printf (_("length %d ["), rlen); | |
654 | for (; rlen; rlen--) | |
655 | printf (" %02x", *data++); | |
656 | printf ("]\n"); | |
7e665af3 | 657 | } |
19e6b90e L |
658 | break; |
659 | } | |
660 | ||
cd30bcef | 661 | return len + header_len; |
19e6b90e L |
662 | } |
663 | ||
0c588247 | 664 | static const unsigned char * |
467c65bc | 665 | fetch_indirect_string (dwarf_vma offset) |
19e6b90e L |
666 | { |
667 | struct dwarf_section *section = &debug_displays [str].section; | |
d949ff56 | 668 | const unsigned char * ret; |
19e6b90e L |
669 | |
670 | if (section->start == NULL) | |
0c588247 | 671 | return (const unsigned char *) _("<no .debug_str section>"); |
19e6b90e | 672 | |
d949ff56 | 673 | if (offset >= section->size) |
19e6b90e | 674 | { |
467c65bc NC |
675 | warn (_("DW_FORM_strp offset too big: %s\n"), |
676 | dwarf_vmatoa ("x", offset)); | |
0c588247 | 677 | return (const unsigned char *) _("<offset is too big>"); |
19e6b90e L |
678 | } |
679 | ||
d949ff56 NC |
680 | ret = section->start + offset; |
681 | /* Unfortunately we cannot rely upon the .debug_str section ending with a | |
682 | NUL byte. Since our caller is expecting to receive a well formed C | |
683 | string we test for the lack of a terminating byte here. */ | |
684 | if (strnlen ((const char *) ret, section->size - offset) | |
685 | == section->size - offset) | |
686 | ret = (const unsigned char *) | |
687 | _("<no NUL byte at end of .debug_str section>"); | |
688 | ||
689 | return ret; | |
19e6b90e L |
690 | } |
691 | ||
77145576 JK |
692 | static const unsigned char * |
693 | fetch_indirect_line_string (dwarf_vma offset) | |
694 | { | |
695 | struct dwarf_section *section = &debug_displays [line_str].section; | |
d949ff56 | 696 | const unsigned char * ret; |
77145576 JK |
697 | |
698 | if (section->start == NULL) | |
699 | return (const unsigned char *) _("<no .debug_line_str section>"); | |
700 | ||
d949ff56 | 701 | if (offset >= section->size) |
77145576 JK |
702 | { |
703 | warn (_("DW_FORM_line_strp offset too big: %s\n"), | |
704 | dwarf_vmatoa ("x", offset)); | |
705 | return (const unsigned char *) _("<offset is too big>"); | |
706 | } | |
707 | ||
d949ff56 NC |
708 | ret = section->start + offset; |
709 | /* Unfortunately we cannot rely upon the .debug_line_str section ending | |
710 | with a NUL byte. Since our caller is expecting to receive a well formed | |
711 | C string we test for the lack of a terminating byte here. */ | |
712 | if (strnlen ((const char *) ret, section->size - offset) | |
713 | == section->size - offset) | |
714 | ret = (const unsigned char *) | |
715 | _("<no NUL byte at end of .debug_line_str section>"); | |
716 | ||
717 | return ret; | |
77145576 JK |
718 | } |
719 | ||
4723351a | 720 | static const char * |
341f9135 | 721 | fetch_indexed_string (dwarf_vma idx, struct cu_tu_set *this_set, |
d85bf2ba | 722 | dwarf_vma offset_size, bfd_boolean dwo) |
4723351a CC |
723 | { |
724 | enum dwarf_section_display_enum str_sec_idx = dwo ? str_dwo : str; | |
725 | enum dwarf_section_display_enum idx_sec_idx = dwo ? str_index_dwo : str_index; | |
726 | struct dwarf_section *index_section = &debug_displays [idx_sec_idx].section; | |
727 | struct dwarf_section *str_section = &debug_displays [str_sec_idx].section; | |
728 | dwarf_vma index_offset = idx * offset_size; | |
729 | dwarf_vma str_offset; | |
d949ff56 | 730 | const char * ret; |
4723351a CC |
731 | |
732 | if (index_section->start == NULL) | |
733 | return (dwo ? _("<no .debug_str_offsets.dwo section>") | |
734 | : _("<no .debug_str_offsets section>")); | |
735 | ||
341f9135 CC |
736 | if (this_set != NULL) |
737 | index_offset += this_set->section_offsets [DW_SECT_STR_OFFSETS]; | |
d949ff56 | 738 | if (index_offset >= index_section->size) |
4723351a CC |
739 | { |
740 | warn (_("DW_FORM_GNU_str_index offset too big: %s\n"), | |
741 | dwarf_vmatoa ("x", index_offset)); | |
742 | return _("<index offset is too big>"); | |
743 | } | |
744 | ||
745 | if (str_section->start == NULL) | |
746 | return (dwo ? _("<no .debug_str.dwo section>") | |
747 | : _("<no .debug_str section>")); | |
748 | ||
749 | str_offset = byte_get (index_section->start + index_offset, offset_size); | |
750 | str_offset -= str_section->address; | |
d949ff56 | 751 | if (str_offset >= str_section->size) |
4723351a CC |
752 | { |
753 | warn (_("DW_FORM_GNU_str_index indirect offset too big: %s\n"), | |
754 | dwarf_vmatoa ("x", str_offset)); | |
755 | return _("<indirect index offset is too big>"); | |
756 | } | |
757 | ||
d949ff56 NC |
758 | ret = (const char *) str_section->start + str_offset; |
759 | /* Unfortunately we cannot rely upon str_section ending with a NUL byte. | |
760 | Since our caller is expecting to receive a well formed C string we test | |
761 | for the lack of a terminating byte here. */ | |
762 | if (strnlen (ret, str_section->size - str_offset) | |
763 | == str_section->size - str_offset) | |
764 | ret = (const char *) _("<no NUL byte at end of section>"); | |
765 | ||
766 | return ret; | |
4723351a CC |
767 | } |
768 | ||
769 | static const char * | |
770 | fetch_indexed_value (dwarf_vma offset, dwarf_vma bytes) | |
771 | { | |
772 | struct dwarf_section *section = &debug_displays [debug_addr].section; | |
773 | ||
774 | if (section->start == NULL) | |
775 | return (_("<no .debug_addr section>")); | |
776 | ||
777 | if (offset + bytes > section->size) | |
778 | { | |
779 | warn (_("Offset into section %s too big: %s\n"), | |
b4eb7656 | 780 | section->name, dwarf_vmatoa ("x", offset)); |
4723351a CC |
781 | return "<offset too big>"; |
782 | } | |
783 | ||
784 | return dwarf_vmatoa ("x", byte_get (section->start + offset, bytes)); | |
785 | } | |
786 | ||
787 | ||
19e6b90e L |
788 | /* FIXME: There are better and more efficient ways to handle |
789 | these structures. For now though, I just want something that | |
790 | is simple to implement. */ | |
791 | typedef struct abbrev_attr | |
792 | { | |
793 | unsigned long attribute; | |
794 | unsigned long form; | |
77145576 | 795 | bfd_signed_vma implicit_const; |
19e6b90e L |
796 | struct abbrev_attr *next; |
797 | } | |
798 | abbrev_attr; | |
799 | ||
800 | typedef struct abbrev_entry | |
801 | { | |
802 | unsigned long entry; | |
803 | unsigned long tag; | |
804 | int children; | |
805 | struct abbrev_attr *first_attr; | |
806 | struct abbrev_attr *last_attr; | |
807 | struct abbrev_entry *next; | |
808 | } | |
809 | abbrev_entry; | |
810 | ||
811 | static abbrev_entry *first_abbrev = NULL; | |
812 | static abbrev_entry *last_abbrev = NULL; | |
813 | ||
814 | static void | |
815 | free_abbrevs (void) | |
816 | { | |
91d6fa6a | 817 | abbrev_entry *abbrv; |
19e6b90e | 818 | |
91d6fa6a | 819 | for (abbrv = first_abbrev; abbrv;) |
19e6b90e | 820 | { |
91d6fa6a | 821 | abbrev_entry *next_abbrev = abbrv->next; |
19e6b90e L |
822 | abbrev_attr *attr; |
823 | ||
91d6fa6a | 824 | for (attr = abbrv->first_attr; attr;) |
19e6b90e | 825 | { |
91d6fa6a | 826 | abbrev_attr *next_attr = attr->next; |
19e6b90e L |
827 | |
828 | free (attr); | |
91d6fa6a | 829 | attr = next_attr; |
19e6b90e L |
830 | } |
831 | ||
91d6fa6a NC |
832 | free (abbrv); |
833 | abbrv = next_abbrev; | |
19e6b90e L |
834 | } |
835 | ||
836 | last_abbrev = first_abbrev = NULL; | |
837 | } | |
838 | ||
839 | static void | |
840 | add_abbrev (unsigned long number, unsigned long tag, int children) | |
841 | { | |
842 | abbrev_entry *entry; | |
843 | ||
3f5e193b | 844 | entry = (abbrev_entry *) malloc (sizeof (*entry)); |
19e6b90e L |
845 | if (entry == NULL) |
846 | /* ugg */ | |
847 | return; | |
848 | ||
849 | entry->entry = number; | |
850 | entry->tag = tag; | |
851 | entry->children = children; | |
852 | entry->first_attr = NULL; | |
853 | entry->last_attr = NULL; | |
854 | entry->next = NULL; | |
855 | ||
856 | if (first_abbrev == NULL) | |
857 | first_abbrev = entry; | |
858 | else | |
859 | last_abbrev->next = entry; | |
860 | ||
861 | last_abbrev = entry; | |
862 | } | |
863 | ||
864 | static void | |
77145576 JK |
865 | add_abbrev_attr (unsigned long attribute, unsigned long form, |
866 | bfd_signed_vma implicit_const) | |
19e6b90e L |
867 | { |
868 | abbrev_attr *attr; | |
869 | ||
3f5e193b | 870 | attr = (abbrev_attr *) malloc (sizeof (*attr)); |
19e6b90e L |
871 | if (attr == NULL) |
872 | /* ugg */ | |
873 | return; | |
874 | ||
875 | attr->attribute = attribute; | |
876 | attr->form = form; | |
77145576 | 877 | attr->implicit_const = implicit_const; |
19e6b90e L |
878 | attr->next = NULL; |
879 | ||
880 | if (last_abbrev->first_attr == NULL) | |
881 | last_abbrev->first_attr = attr; | |
882 | else | |
883 | last_abbrev->last_attr->next = attr; | |
884 | ||
885 | last_abbrev->last_attr = attr; | |
886 | } | |
887 | ||
888 | /* Processes the (partial) contents of a .debug_abbrev section. | |
889 | Returns NULL if the end of the section was encountered. | |
890 | Returns the address after the last byte read if the end of | |
891 | an abbreviation set was found. */ | |
892 | ||
893 | static unsigned char * | |
894 | process_abbrev_section (unsigned char *start, unsigned char *end) | |
895 | { | |
896 | if (first_abbrev != NULL) | |
897 | return NULL; | |
898 | ||
899 | while (start < end) | |
900 | { | |
19e6b90e L |
901 | unsigned long entry; |
902 | unsigned long tag; | |
903 | unsigned long attribute; | |
904 | int children; | |
905 | ||
cd30bcef | 906 | READ_ULEB (entry, start, end); |
19e6b90e L |
907 | |
908 | /* A single zero is supposed to end the section according | |
909 | to the standard. If there's more, then signal that to | |
910 | the caller. */ | |
f6f0e17b NC |
911 | if (start == end) |
912 | return NULL; | |
19e6b90e | 913 | if (entry == 0) |
f6f0e17b | 914 | return start; |
19e6b90e | 915 | |
cd30bcef | 916 | READ_ULEB (tag, start, end); |
f6f0e17b NC |
917 | if (start == end) |
918 | return NULL; | |
19e6b90e L |
919 | |
920 | children = *start++; | |
921 | ||
922 | add_abbrev (entry, tag, children); | |
923 | ||
924 | do | |
925 | { | |
926 | unsigned long form; | |
77145576 JK |
927 | /* Initialize it due to a false compiler warning. */ |
928 | bfd_signed_vma implicit_const = -1; | |
19e6b90e | 929 | |
cd30bcef | 930 | READ_ULEB (attribute, start, end); |
f6f0e17b NC |
931 | if (start == end) |
932 | break; | |
19e6b90e | 933 | |
cd30bcef | 934 | READ_ULEB (form, start, end); |
f6f0e17b NC |
935 | if (start == end) |
936 | break; | |
19e6b90e | 937 | |
77145576 JK |
938 | if (form == DW_FORM_implicit_const) |
939 | { | |
cd30bcef | 940 | READ_SLEB (implicit_const, start, end); |
77145576 JK |
941 | if (start == end) |
942 | break; | |
943 | } | |
944 | ||
945 | add_abbrev_attr (attribute, form, implicit_const); | |
19e6b90e L |
946 | } |
947 | while (attribute != 0); | |
948 | } | |
949 | ||
399c99f7 L |
950 | /* Report the missing single zero which ends the section. */ |
951 | error (_(".debug_abbrev section not zero terminated\n")); | |
952 | ||
19e6b90e L |
953 | return NULL; |
954 | } | |
955 | ||
a19c41a7 | 956 | static const char * |
19e6b90e L |
957 | get_TAG_name (unsigned long tag) |
958 | { | |
04914e37 | 959 | const char *name = get_DW_TAG_name ((unsigned int) tag); |
a19c41a7 TT |
960 | |
961 | if (name == NULL) | |
19e6b90e | 962 | { |
a19c41a7 | 963 | static char buffer[100]; |
19e6b90e | 964 | |
04914e37 NC |
965 | if (tag >= DW_TAG_lo_user && tag <= DW_TAG_hi_user) |
966 | snprintf (buffer, sizeof (buffer), _("User TAG value: %#lx"), tag); | |
967 | else | |
968 | snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %#lx"), tag); | |
a19c41a7 | 969 | return buffer; |
19e6b90e | 970 | } |
a19c41a7 TT |
971 | |
972 | return name; | |
19e6b90e L |
973 | } |
974 | ||
a19c41a7 | 975 | static const char * |
19e6b90e L |
976 | get_FORM_name (unsigned long form) |
977 | { | |
399c99f7 | 978 | const char *name; |
bf5117e3 | 979 | |
399c99f7 L |
980 | if (form == 0) |
981 | return "DW_FORM value: 0"; | |
a19c41a7 | 982 | |
399c99f7 | 983 | name = get_DW_FORM_name (form); |
a19c41a7 | 984 | if (name == NULL) |
19e6b90e | 985 | { |
a19c41a7 | 986 | static char buffer[100]; |
19e6b90e | 987 | |
a19c41a7 TT |
988 | snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form); |
989 | return buffer; | |
19e6b90e | 990 | } |
a19c41a7 TT |
991 | |
992 | return name; | |
19e6b90e L |
993 | } |
994 | ||
61364358 JK |
995 | static const char * |
996 | get_IDX_name (unsigned long idx) | |
997 | { | |
998 | const char *name = get_DW_IDX_name ((unsigned int) idx); | |
999 | ||
1000 | if (name == NULL) | |
1001 | { | |
1002 | static char buffer[100]; | |
1003 | ||
1004 | snprintf (buffer, sizeof (buffer), _("Unknown IDX value: %lx"), idx); | |
1005 | return buffer; | |
1006 | } | |
1007 | ||
1008 | return name; | |
1009 | } | |
1010 | ||
19e6b90e | 1011 | static unsigned char * |
0c588247 NC |
1012 | display_block (unsigned char *data, |
1013 | dwarf_vma length, | |
ef0b5f1c | 1014 | const unsigned char * const end, char delimiter) |
19e6b90e | 1015 | { |
0c588247 NC |
1016 | dwarf_vma maxlen; |
1017 | ||
ef0b5f1c | 1018 | printf (_("%c%s byte block: "), delimiter, dwarf_vmatoa ("u", length)); |
a1165289 NC |
1019 | if (data > end) |
1020 | return (unsigned char *) end; | |
19e6b90e | 1021 | |
0c588247 NC |
1022 | maxlen = (dwarf_vma) (end - data); |
1023 | length = length > maxlen ? maxlen : length; | |
1024 | ||
19e6b90e L |
1025 | while (length --) |
1026 | printf ("%lx ", (unsigned long) byte_get (data++, 1)); | |
1027 | ||
1028 | return data; | |
1029 | } | |
1030 | ||
1031 | static int | |
1032 | decode_location_expression (unsigned char * data, | |
1033 | unsigned int pointer_size, | |
b7807392 JJ |
1034 | unsigned int offset_size, |
1035 | int dwarf_version, | |
467c65bc NC |
1036 | dwarf_vma length, |
1037 | dwarf_vma cu_offset, | |
f1c4cc75 | 1038 | struct dwarf_section * section) |
19e6b90e L |
1039 | { |
1040 | unsigned op; | |
467c65bc | 1041 | dwarf_vma uvalue; |
0c588247 | 1042 | dwarf_signed_vma svalue; |
19e6b90e L |
1043 | unsigned char *end = data + length; |
1044 | int need_frame_base = 0; | |
1045 | ||
1046 | while (data < end) | |
1047 | { | |
1048 | op = *data++; | |
1049 | ||
1050 | switch (op) | |
1051 | { | |
1052 | case DW_OP_addr: | |
0c588247 NC |
1053 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
1054 | printf ("DW_OP_addr: %s", dwarf_vmatoa ("x", uvalue)); | |
19e6b90e L |
1055 | break; |
1056 | case DW_OP_deref: | |
1057 | printf ("DW_OP_deref"); | |
1058 | break; | |
1059 | case DW_OP_const1u: | |
0c588247 NC |
1060 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1061 | printf ("DW_OP_const1u: %lu", (unsigned long) uvalue); | |
19e6b90e L |
1062 | break; |
1063 | case DW_OP_const1s: | |
0c588247 NC |
1064 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 1, end); |
1065 | printf ("DW_OP_const1s: %ld", (long) svalue); | |
19e6b90e L |
1066 | break; |
1067 | case DW_OP_const2u: | |
87bc83b3 | 1068 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
0c588247 | 1069 | printf ("DW_OP_const2u: %lu", (unsigned long) uvalue); |
19e6b90e L |
1070 | break; |
1071 | case DW_OP_const2s: | |
0c588247 NC |
1072 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1073 | printf ("DW_OP_const2s: %ld", (long) svalue); | |
19e6b90e L |
1074 | break; |
1075 | case DW_OP_const4u: | |
0c588247 NC |
1076 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
1077 | printf ("DW_OP_const4u: %lu", (unsigned long) uvalue); | |
19e6b90e L |
1078 | break; |
1079 | case DW_OP_const4s: | |
0c588247 NC |
1080 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
1081 | printf ("DW_OP_const4s: %ld", (long) svalue); | |
19e6b90e L |
1082 | break; |
1083 | case DW_OP_const8u: | |
0c588247 NC |
1084 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
1085 | printf ("DW_OP_const8u: %lu ", (unsigned long) uvalue); | |
1086 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); | |
1087 | printf ("%lu", (unsigned long) uvalue); | |
19e6b90e L |
1088 | break; |
1089 | case DW_OP_const8s: | |
0c588247 NC |
1090 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
1091 | printf ("DW_OP_const8s: %ld ", (long) svalue); | |
1092 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); | |
1093 | printf ("%ld", (long) svalue); | |
19e6b90e L |
1094 | break; |
1095 | case DW_OP_constu: | |
cd30bcef AM |
1096 | READ_ULEB (uvalue, data, end); |
1097 | printf ("DW_OP_constu: %s", dwarf_vmatoa ("u", uvalue)); | |
19e6b90e L |
1098 | break; |
1099 | case DW_OP_consts: | |
cd30bcef AM |
1100 | READ_SLEB (svalue, data, end); |
1101 | printf ("DW_OP_consts: %s", dwarf_vmatoa ("d", svalue)); | |
19e6b90e L |
1102 | break; |
1103 | case DW_OP_dup: | |
1104 | printf ("DW_OP_dup"); | |
1105 | break; | |
1106 | case DW_OP_drop: | |
1107 | printf ("DW_OP_drop"); | |
1108 | break; | |
1109 | case DW_OP_over: | |
1110 | printf ("DW_OP_over"); | |
1111 | break; | |
1112 | case DW_OP_pick: | |
0c588247 NC |
1113 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1114 | printf ("DW_OP_pick: %ld", (unsigned long) uvalue); | |
19e6b90e L |
1115 | break; |
1116 | case DW_OP_swap: | |
1117 | printf ("DW_OP_swap"); | |
1118 | break; | |
1119 | case DW_OP_rot: | |
1120 | printf ("DW_OP_rot"); | |
1121 | break; | |
1122 | case DW_OP_xderef: | |
1123 | printf ("DW_OP_xderef"); | |
1124 | break; | |
1125 | case DW_OP_abs: | |
1126 | printf ("DW_OP_abs"); | |
1127 | break; | |
1128 | case DW_OP_and: | |
1129 | printf ("DW_OP_and"); | |
1130 | break; | |
1131 | case DW_OP_div: | |
1132 | printf ("DW_OP_div"); | |
1133 | break; | |
1134 | case DW_OP_minus: | |
1135 | printf ("DW_OP_minus"); | |
1136 | break; | |
1137 | case DW_OP_mod: | |
1138 | printf ("DW_OP_mod"); | |
1139 | break; | |
1140 | case DW_OP_mul: | |
1141 | printf ("DW_OP_mul"); | |
1142 | break; | |
1143 | case DW_OP_neg: | |
1144 | printf ("DW_OP_neg"); | |
1145 | break; | |
1146 | case DW_OP_not: | |
1147 | printf ("DW_OP_not"); | |
1148 | break; | |
1149 | case DW_OP_or: | |
1150 | printf ("DW_OP_or"); | |
1151 | break; | |
1152 | case DW_OP_plus: | |
1153 | printf ("DW_OP_plus"); | |
1154 | break; | |
1155 | case DW_OP_plus_uconst: | |
cd30bcef AM |
1156 | READ_ULEB (uvalue, data, end); |
1157 | printf ("DW_OP_plus_uconst: %s", dwarf_vmatoa ("u", uvalue)); | |
19e6b90e L |
1158 | break; |
1159 | case DW_OP_shl: | |
1160 | printf ("DW_OP_shl"); | |
1161 | break; | |
1162 | case DW_OP_shr: | |
1163 | printf ("DW_OP_shr"); | |
1164 | break; | |
1165 | case DW_OP_shra: | |
1166 | printf ("DW_OP_shra"); | |
1167 | break; | |
1168 | case DW_OP_xor: | |
1169 | printf ("DW_OP_xor"); | |
1170 | break; | |
1171 | case DW_OP_bra: | |
0c588247 NC |
1172 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1173 | printf ("DW_OP_bra: %ld", (long) svalue); | |
19e6b90e L |
1174 | break; |
1175 | case DW_OP_eq: | |
1176 | printf ("DW_OP_eq"); | |
1177 | break; | |
1178 | case DW_OP_ge: | |
1179 | printf ("DW_OP_ge"); | |
1180 | break; | |
1181 | case DW_OP_gt: | |
1182 | printf ("DW_OP_gt"); | |
1183 | break; | |
1184 | case DW_OP_le: | |
1185 | printf ("DW_OP_le"); | |
1186 | break; | |
1187 | case DW_OP_lt: | |
1188 | printf ("DW_OP_lt"); | |
1189 | break; | |
1190 | case DW_OP_ne: | |
1191 | printf ("DW_OP_ne"); | |
1192 | break; | |
1193 | case DW_OP_skip: | |
0c588247 NC |
1194 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1195 | printf ("DW_OP_skip: %ld", (long) svalue); | |
19e6b90e L |
1196 | break; |
1197 | ||
1198 | case DW_OP_lit0: | |
1199 | case DW_OP_lit1: | |
1200 | case DW_OP_lit2: | |
1201 | case DW_OP_lit3: | |
1202 | case DW_OP_lit4: | |
1203 | case DW_OP_lit5: | |
1204 | case DW_OP_lit6: | |
1205 | case DW_OP_lit7: | |
1206 | case DW_OP_lit8: | |
1207 | case DW_OP_lit9: | |
1208 | case DW_OP_lit10: | |
1209 | case DW_OP_lit11: | |
1210 | case DW_OP_lit12: | |
1211 | case DW_OP_lit13: | |
1212 | case DW_OP_lit14: | |
1213 | case DW_OP_lit15: | |
1214 | case DW_OP_lit16: | |
1215 | case DW_OP_lit17: | |
1216 | case DW_OP_lit18: | |
1217 | case DW_OP_lit19: | |
1218 | case DW_OP_lit20: | |
1219 | case DW_OP_lit21: | |
1220 | case DW_OP_lit22: | |
1221 | case DW_OP_lit23: | |
1222 | case DW_OP_lit24: | |
1223 | case DW_OP_lit25: | |
1224 | case DW_OP_lit26: | |
1225 | case DW_OP_lit27: | |
1226 | case DW_OP_lit28: | |
1227 | case DW_OP_lit29: | |
1228 | case DW_OP_lit30: | |
1229 | case DW_OP_lit31: | |
1230 | printf ("DW_OP_lit%d", op - DW_OP_lit0); | |
1231 | break; | |
1232 | ||
1233 | case DW_OP_reg0: | |
1234 | case DW_OP_reg1: | |
1235 | case DW_OP_reg2: | |
1236 | case DW_OP_reg3: | |
1237 | case DW_OP_reg4: | |
1238 | case DW_OP_reg5: | |
1239 | case DW_OP_reg6: | |
1240 | case DW_OP_reg7: | |
1241 | case DW_OP_reg8: | |
1242 | case DW_OP_reg9: | |
1243 | case DW_OP_reg10: | |
1244 | case DW_OP_reg11: | |
1245 | case DW_OP_reg12: | |
1246 | case DW_OP_reg13: | |
1247 | case DW_OP_reg14: | |
1248 | case DW_OP_reg15: | |
1249 | case DW_OP_reg16: | |
1250 | case DW_OP_reg17: | |
1251 | case DW_OP_reg18: | |
1252 | case DW_OP_reg19: | |
1253 | case DW_OP_reg20: | |
1254 | case DW_OP_reg21: | |
1255 | case DW_OP_reg22: | |
1256 | case DW_OP_reg23: | |
1257 | case DW_OP_reg24: | |
1258 | case DW_OP_reg25: | |
1259 | case DW_OP_reg26: | |
1260 | case DW_OP_reg27: | |
1261 | case DW_OP_reg28: | |
1262 | case DW_OP_reg29: | |
1263 | case DW_OP_reg30: | |
1264 | case DW_OP_reg31: | |
18464d4d JK |
1265 | printf ("DW_OP_reg%d (%s)", op - DW_OP_reg0, |
1266 | regname (op - DW_OP_reg0, 1)); | |
19e6b90e L |
1267 | break; |
1268 | ||
1269 | case DW_OP_breg0: | |
1270 | case DW_OP_breg1: | |
1271 | case DW_OP_breg2: | |
1272 | case DW_OP_breg3: | |
1273 | case DW_OP_breg4: | |
1274 | case DW_OP_breg5: | |
1275 | case DW_OP_breg6: | |
1276 | case DW_OP_breg7: | |
1277 | case DW_OP_breg8: | |
1278 | case DW_OP_breg9: | |
1279 | case DW_OP_breg10: | |
1280 | case DW_OP_breg11: | |
1281 | case DW_OP_breg12: | |
1282 | case DW_OP_breg13: | |
1283 | case DW_OP_breg14: | |
1284 | case DW_OP_breg15: | |
1285 | case DW_OP_breg16: | |
1286 | case DW_OP_breg17: | |
1287 | case DW_OP_breg18: | |
1288 | case DW_OP_breg19: | |
1289 | case DW_OP_breg20: | |
1290 | case DW_OP_breg21: | |
1291 | case DW_OP_breg22: | |
1292 | case DW_OP_breg23: | |
1293 | case DW_OP_breg24: | |
1294 | case DW_OP_breg25: | |
1295 | case DW_OP_breg26: | |
1296 | case DW_OP_breg27: | |
1297 | case DW_OP_breg28: | |
1298 | case DW_OP_breg29: | |
1299 | case DW_OP_breg30: | |
1300 | case DW_OP_breg31: | |
cd30bcef AM |
1301 | READ_SLEB (svalue, data, end); |
1302 | printf ("DW_OP_breg%d (%s): %s", op - DW_OP_breg0, | |
1303 | regname (op - DW_OP_breg0, 1), dwarf_vmatoa ("d", svalue)); | |
19e6b90e L |
1304 | break; |
1305 | ||
1306 | case DW_OP_regx: | |
cd30bcef | 1307 | READ_ULEB (uvalue, data, end); |
467c65bc NC |
1308 | printf ("DW_OP_regx: %s (%s)", |
1309 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); | |
19e6b90e L |
1310 | break; |
1311 | case DW_OP_fbreg: | |
1312 | need_frame_base = 1; | |
cd30bcef AM |
1313 | READ_SLEB (svalue, data, end); |
1314 | printf ("DW_OP_fbreg: %s", dwarf_vmatoa ("d", svalue)); | |
19e6b90e L |
1315 | break; |
1316 | case DW_OP_bregx: | |
cd30bcef AM |
1317 | READ_ULEB (uvalue, data, end); |
1318 | READ_SLEB (svalue, data, end); | |
467c65bc NC |
1319 | printf ("DW_OP_bregx: %s (%s) %s", |
1320 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1), | |
cd30bcef | 1321 | dwarf_vmatoa ("d", svalue)); |
19e6b90e L |
1322 | break; |
1323 | case DW_OP_piece: | |
cd30bcef AM |
1324 | READ_ULEB (uvalue, data, end); |
1325 | printf ("DW_OP_piece: %s", dwarf_vmatoa ("u", uvalue)); | |
19e6b90e L |
1326 | break; |
1327 | case DW_OP_deref_size: | |
0c588247 NC |
1328 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1329 | printf ("DW_OP_deref_size: %ld", (long) uvalue); | |
19e6b90e L |
1330 | break; |
1331 | case DW_OP_xderef_size: | |
0c588247 NC |
1332 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1333 | printf ("DW_OP_xderef_size: %ld", (long) uvalue); | |
19e6b90e L |
1334 | break; |
1335 | case DW_OP_nop: | |
1336 | printf ("DW_OP_nop"); | |
1337 | break; | |
1338 | ||
1339 | /* DWARF 3 extensions. */ | |
1340 | case DW_OP_push_object_address: | |
1341 | printf ("DW_OP_push_object_address"); | |
1342 | break; | |
1343 | case DW_OP_call2: | |
d85bf2ba | 1344 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
19e6b90e | 1345 | this ought to be an 8-byte wide computation. */ |
0c588247 | 1346 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
467c65bc | 1347 | printf ("DW_OP_call2: <0x%s>", |
0c588247 | 1348 | dwarf_vmatoa ("x", svalue + cu_offset)); |
19e6b90e L |
1349 | break; |
1350 | case DW_OP_call4: | |
d85bf2ba | 1351 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
19e6b90e | 1352 | this ought to be an 8-byte wide computation. */ |
0c588247 | 1353 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
467c65bc | 1354 | printf ("DW_OP_call4: <0x%s>", |
0c588247 | 1355 | dwarf_vmatoa ("x", svalue + cu_offset)); |
19e6b90e L |
1356 | break; |
1357 | case DW_OP_call_ref: | |
d85bf2ba | 1358 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
e2a0d921 | 1359 | this ought to be an 8-byte wide computation. */ |
b7807392 JJ |
1360 | if (dwarf_version == -1) |
1361 | { | |
1362 | printf (_("(DW_OP_call_ref in frame info)")); | |
1363 | /* No way to tell where the next op is, so just bail. */ | |
1364 | return need_frame_base; | |
1365 | } | |
1366 | if (dwarf_version == 2) | |
1367 | { | |
0c588247 | 1368 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
b7807392 JJ |
1369 | } |
1370 | else | |
1371 | { | |
0c588247 | 1372 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
b7807392 | 1373 | } |
0c588247 | 1374 | printf ("DW_OP_call_ref: <0x%s>", dwarf_vmatoa ("x", uvalue)); |
19e6b90e | 1375 | break; |
a87b0a59 NS |
1376 | case DW_OP_form_tls_address: |
1377 | printf ("DW_OP_form_tls_address"); | |
1378 | break; | |
e2a0d921 NC |
1379 | case DW_OP_call_frame_cfa: |
1380 | printf ("DW_OP_call_frame_cfa"); | |
1381 | break; | |
1382 | case DW_OP_bit_piece: | |
1383 | printf ("DW_OP_bit_piece: "); | |
cd30bcef AM |
1384 | READ_ULEB (uvalue, data, end); |
1385 | printf (_("size: %s "), dwarf_vmatoa ("u", uvalue)); | |
1386 | READ_ULEB (uvalue, data, end); | |
1387 | printf (_("offset: %s "), dwarf_vmatoa ("u", uvalue)); | |
e2a0d921 | 1388 | break; |
19e6b90e | 1389 | |
3244e8f5 JJ |
1390 | /* DWARF 4 extensions. */ |
1391 | case DW_OP_stack_value: | |
1392 | printf ("DW_OP_stack_value"); | |
1393 | break; | |
1394 | ||
1395 | case DW_OP_implicit_value: | |
1396 | printf ("DW_OP_implicit_value"); | |
cd30bcef | 1397 | READ_ULEB (uvalue, data, end); |
ef0b5f1c | 1398 | data = display_block (data, uvalue, end, ' '); |
3244e8f5 JJ |
1399 | break; |
1400 | ||
19e6b90e L |
1401 | /* GNU extensions. */ |
1402 | case DW_OP_GNU_push_tls_address: | |
9cf03b7e | 1403 | printf (_("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown")); |
e2a0d921 NC |
1404 | break; |
1405 | case DW_OP_GNU_uninit: | |
1406 | printf ("DW_OP_GNU_uninit"); | |
1407 | /* FIXME: Is there data associated with this OP ? */ | |
1408 | break; | |
f1c4cc75 RH |
1409 | case DW_OP_GNU_encoded_addr: |
1410 | { | |
6937bb54 | 1411 | int encoding = 0; |
f1c4cc75 | 1412 | dwarf_vma addr; |
467c65bc | 1413 | |
6937bb54 NC |
1414 | if (data < end) |
1415 | encoding = *data++; | |
041830e0 | 1416 | addr = get_encoded_value (&data, encoding, section, end); |
f1c4cc75 RH |
1417 | |
1418 | printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding); | |
1419 | print_dwarf_vma (addr, pointer_size); | |
1420 | } | |
1421 | break; | |
bc0a77d2 | 1422 | case DW_OP_implicit_pointer: |
b7807392 | 1423 | case DW_OP_GNU_implicit_pointer: |
d85bf2ba | 1424 | /* FIXME: Strictly speaking for 64-bit DWARF3 files |
b7807392 JJ |
1425 | this ought to be an 8-byte wide computation. */ |
1426 | if (dwarf_version == -1) | |
1427 | { | |
bc0a77d2 JK |
1428 | printf (_("(%s in frame info)"), |
1429 | (op == DW_OP_implicit_pointer | |
1430 | ? "DW_OP_implicit_pointer" | |
1431 | : "DW_OP_GNU_implicit_pointer")); | |
b7807392 JJ |
1432 | /* No way to tell where the next op is, so just bail. */ |
1433 | return need_frame_base; | |
1434 | } | |
1435 | if (dwarf_version == 2) | |
1436 | { | |
0c588247 | 1437 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
b7807392 JJ |
1438 | } |
1439 | else | |
1440 | { | |
0c588247 | 1441 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
b7807392 | 1442 | } |
cd30bcef | 1443 | READ_SLEB (svalue, data, end); |
bc0a77d2 JK |
1444 | printf ("%s: <0x%s> %s", |
1445 | (op == DW_OP_implicit_pointer | |
1446 | ? "DW_OP_implicit_pointer" : "DW_OP_GNU_implicit_pointer"), | |
0c588247 | 1447 | dwarf_vmatoa ("x", uvalue), |
cd30bcef | 1448 | dwarf_vmatoa ("d", svalue)); |
b7807392 | 1449 | break; |
77145576 | 1450 | case DW_OP_entry_value: |
0892011d | 1451 | case DW_OP_GNU_entry_value: |
cd30bcef | 1452 | READ_ULEB (uvalue, data, end); |
058037d3 NC |
1453 | /* PR 17531: file: 0cc9cd00. */ |
1454 | if (uvalue > (dwarf_vma) (end - data)) | |
1455 | uvalue = end - data; | |
77145576 JK |
1456 | printf ("%s: (", (op == DW_OP_entry_value ? "DW_OP_entry_value" |
1457 | : "DW_OP_GNU_entry_value")); | |
0892011d JJ |
1458 | if (decode_location_expression (data, pointer_size, offset_size, |
1459 | dwarf_version, uvalue, | |
1460 | cu_offset, section)) | |
1461 | need_frame_base = 1; | |
1462 | putchar (')'); | |
1463 | data += uvalue; | |
6937bb54 NC |
1464 | if (data > end) |
1465 | data = end; | |
0892011d | 1466 | break; |
bc0a77d2 | 1467 | case DW_OP_const_type: |
0892011d | 1468 | case DW_OP_GNU_const_type: |
cd30bcef | 1469 | READ_ULEB (uvalue, data, end); |
bc0a77d2 JK |
1470 | printf ("%s: <0x%s> ", |
1471 | (op == DW_OP_const_type ? "DW_OP_const_type" | |
1472 | : "DW_OP_GNU_const_type"), | |
0892011d | 1473 | dwarf_vmatoa ("x", cu_offset + uvalue)); |
0c588247 | 1474 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
ef0b5f1c | 1475 | data = display_block (data, uvalue, end, ' '); |
0892011d | 1476 | break; |
bc0a77d2 | 1477 | case DW_OP_regval_type: |
0892011d | 1478 | case DW_OP_GNU_regval_type: |
cd30bcef | 1479 | READ_ULEB (uvalue, data, end); |
bc0a77d2 JK |
1480 | printf ("%s: %s (%s)", |
1481 | (op == DW_OP_regval_type ? "DW_OP_regval_type" | |
1482 | : "DW_OP_GNU_regval_type"), | |
0892011d | 1483 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); |
cd30bcef | 1484 | READ_ULEB (uvalue, data, end); |
0892011d JJ |
1485 | printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); |
1486 | break; | |
bc0a77d2 | 1487 | case DW_OP_deref_type: |
0892011d | 1488 | case DW_OP_GNU_deref_type: |
0c588247 | 1489 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
bc0a77d2 JK |
1490 | printf ("%s: %ld", |
1491 | (op == DW_OP_deref_type ? "DW_OP_deref_type" | |
1492 | : "DW_OP_GNU_deref_type"), | |
1493 | (long) uvalue); | |
cd30bcef | 1494 | READ_ULEB (uvalue, data, end); |
0892011d JJ |
1495 | printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); |
1496 | break; | |
bc0a77d2 | 1497 | case DW_OP_convert: |
0892011d | 1498 | case DW_OP_GNU_convert: |
cd30bcef | 1499 | READ_ULEB (uvalue, data, end); |
bc0a77d2 JK |
1500 | printf ("%s <0x%s>", |
1501 | (op == DW_OP_convert ? "DW_OP_convert" : "DW_OP_GNU_convert"), | |
f8b999f9 | 1502 | dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0)); |
0892011d | 1503 | break; |
bc0a77d2 | 1504 | case DW_OP_reinterpret: |
0892011d | 1505 | case DW_OP_GNU_reinterpret: |
cd30bcef | 1506 | READ_ULEB (uvalue, data, end); |
bc0a77d2 JK |
1507 | printf ("%s <0x%s>", |
1508 | (op == DW_OP_reinterpret ? "DW_OP_reinterpret" | |
1509 | : "DW_OP_GNU_reinterpret"), | |
f8b999f9 JJ |
1510 | dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0)); |
1511 | break; | |
1512 | case DW_OP_GNU_parameter_ref: | |
0c588247 | 1513 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
f8b999f9 | 1514 | printf ("DW_OP_GNU_parameter_ref: <0x%s>", |
0c588247 | 1515 | dwarf_vmatoa ("x", cu_offset + uvalue)); |
0892011d | 1516 | break; |
b4eb7656 | 1517 | case DW_OP_GNU_addr_index: |
cd30bcef | 1518 | READ_ULEB (uvalue, data, end); |
b4eb7656 AM |
1519 | printf ("DW_OP_GNU_addr_index <0x%s>", dwarf_vmatoa ("x", uvalue)); |
1520 | break; | |
1521 | case DW_OP_GNU_const_index: | |
cd30bcef | 1522 | READ_ULEB (uvalue, data, end); |
b4eb7656 AM |
1523 | printf ("DW_OP_GNU_const_index <0x%s>", dwarf_vmatoa ("x", uvalue)); |
1524 | break; | |
f384a1f0 KB |
1525 | case DW_OP_GNU_variable_value: |
1526 | /* FIXME: Strictly speaking for 64-bit DWARF3 files | |
1527 | this ought to be an 8-byte wide computation. */ | |
1528 | if (dwarf_version == -1) | |
1529 | { | |
1530 | printf (_("(DW_OP_GNU_variable_value in frame info)")); | |
1531 | /* No way to tell where the next op is, so just bail. */ | |
1532 | return need_frame_base; | |
1533 | } | |
1534 | if (dwarf_version == 2) | |
1535 | { | |
1536 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); | |
1537 | } | |
1538 | else | |
1539 | { | |
1540 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); | |
1541 | } | |
1542 | printf ("DW_OP_GNU_variable_value: <0x%s>", dwarf_vmatoa ("x", uvalue)); | |
1543 | break; | |
e2a0d921 NC |
1544 | |
1545 | /* HP extensions. */ | |
1546 | case DW_OP_HP_is_value: | |
1547 | printf ("DW_OP_HP_is_value"); | |
1548 | /* FIXME: Is there data associated with this OP ? */ | |
1549 | break; | |
1550 | case DW_OP_HP_fltconst4: | |
1551 | printf ("DW_OP_HP_fltconst4"); | |
1552 | /* FIXME: Is there data associated with this OP ? */ | |
1553 | break; | |
1554 | case DW_OP_HP_fltconst8: | |
1555 | printf ("DW_OP_HP_fltconst8"); | |
1556 | /* FIXME: Is there data associated with this OP ? */ | |
1557 | break; | |
1558 | case DW_OP_HP_mod_range: | |
1559 | printf ("DW_OP_HP_mod_range"); | |
1560 | /* FIXME: Is there data associated with this OP ? */ | |
1561 | break; | |
1562 | case DW_OP_HP_unmod_range: | |
1563 | printf ("DW_OP_HP_unmod_range"); | |
1564 | /* FIXME: Is there data associated with this OP ? */ | |
1565 | break; | |
1566 | case DW_OP_HP_tls: | |
1567 | printf ("DW_OP_HP_tls"); | |
1568 | /* FIXME: Is there data associated with this OP ? */ | |
19e6b90e L |
1569 | break; |
1570 | ||
35d60fe4 NC |
1571 | /* PGI (STMicroelectronics) extensions. */ |
1572 | case DW_OP_PGI_omp_thread_num: | |
1573 | /* Pushes the thread number for the current thread as it would be | |
1574 | returned by the standard OpenMP library function: | |
1575 | omp_get_thread_num(). The "current thread" is the thread for | |
1576 | which the expression is being evaluated. */ | |
1577 | printf ("DW_OP_PGI_omp_thread_num"); | |
1578 | break; | |
1579 | ||
19e6b90e L |
1580 | default: |
1581 | if (op >= DW_OP_lo_user | |
1582 | && op <= DW_OP_hi_user) | |
0502a2b4 | 1583 | printf (_("(User defined location op 0x%x)"), op); |
19e6b90e | 1584 | else |
0502a2b4 | 1585 | printf (_("(Unknown location op 0x%x)"), op); |
19e6b90e L |
1586 | /* No way to tell where the next op is, so just bail. */ |
1587 | return need_frame_base; | |
1588 | } | |
1589 | ||
1590 | /* Separate the ops. */ | |
1591 | if (data < end) | |
1592 | printf ("; "); | |
1593 | } | |
1594 | ||
1595 | return need_frame_base; | |
1596 | } | |
1597 | ||
341f9135 CC |
1598 | /* Find the CU or TU set corresponding to the given CU_OFFSET. |
1599 | This is used for DWARF package files. */ | |
1600 | ||
1601 | static struct cu_tu_set * | |
1602 | find_cu_tu_set_v2 (dwarf_vma cu_offset, int do_types) | |
1603 | { | |
1604 | struct cu_tu_set *p; | |
1605 | unsigned int nsets; | |
1606 | unsigned int dw_sect; | |
1607 | ||
1608 | if (do_types) | |
1609 | { | |
1610 | p = tu_sets; | |
1611 | nsets = tu_count; | |
1612 | dw_sect = DW_SECT_TYPES; | |
1613 | } | |
1614 | else | |
1615 | { | |
1616 | p = cu_sets; | |
1617 | nsets = cu_count; | |
1618 | dw_sect = DW_SECT_INFO; | |
1619 | } | |
1620 | while (nsets > 0) | |
1621 | { | |
1622 | if (p->section_offsets [dw_sect] == cu_offset) | |
1623 | return p; | |
1624 | p++; | |
1625 | nsets--; | |
1626 | } | |
1627 | return NULL; | |
1628 | } | |
1629 | ||
a69c4772 NC |
1630 | /* Add INC to HIGH_BITS:LOW_BITS. */ |
1631 | static void | |
1632 | add64 (dwarf_vma * high_bits, dwarf_vma * low_bits, dwarf_vma inc) | |
1633 | { | |
1634 | dwarf_vma tmp = * low_bits; | |
1635 | ||
1636 | tmp += inc; | |
1637 | ||
1638 | /* FIXME: There is probably a better way of handling this: | |
1639 | ||
1640 | We need to cope with dwarf_vma being a 32-bit or 64-bit | |
1641 | type. Plus regardless of its size LOW_BITS is meant to | |
1642 | only hold 32-bits, so if there is overflow or wrap around | |
1643 | we must propagate into HIGH_BITS. */ | |
1644 | if (tmp < * low_bits) | |
1645 | { | |
1646 | ++ * high_bits; | |
1647 | } | |
1648 | else if (sizeof (tmp) > 8 | |
1649 | && (tmp >> 31) > 1) | |
1650 | { | |
1651 | ++ * high_bits; | |
1652 | tmp &= 0xFFFFFFFF; | |
1653 | } | |
1654 | ||
1655 | * low_bits = tmp; | |
1656 | } | |
1657 | ||
dda8d76d NC |
1658 | static const char * |
1659 | fetch_alt_indirect_string (dwarf_vma offset) | |
1660 | { | |
24841daa | 1661 | separate_info * i; |
dda8d76d NC |
1662 | |
1663 | if (! do_follow_links) | |
1664 | return ""; | |
1665 | ||
24841daa NC |
1666 | if (first_separate_info == NULL) |
1667 | return _("<no links available>"); | |
dda8d76d | 1668 | |
24841daa NC |
1669 | for (i = first_separate_info; i != NULL; i = i->next) |
1670 | { | |
1671 | struct dwarf_section * section; | |
1672 | const char * ret; | |
dda8d76d | 1673 | |
24841daa NC |
1674 | if (! load_debug_section (separate_debug_str, i->handle)) |
1675 | continue; | |
dda8d76d | 1676 | |
24841daa | 1677 | section = &debug_displays [separate_debug_str].section; |
dda8d76d | 1678 | |
24841daa NC |
1679 | if (section->start == NULL) |
1680 | continue; | |
dda8d76d | 1681 | |
24841daa NC |
1682 | if (offset >= section->size) |
1683 | continue; | |
1684 | ||
1685 | ret = (const char *) (section->start + offset); | |
1686 | /* Unfortunately we cannot rely upon the .debug_str section ending with a | |
1687 | NUL byte. Since our caller is expecting to receive a well formed C | |
1688 | string we test for the lack of a terminating byte here. */ | |
1689 | if (strnlen ((const char *) ret, section->size - offset) | |
1690 | == section->size - offset) | |
1691 | return _("<no NUL byte at end of alt .debug_str section>"); | |
1692 | ||
1693 | return ret; | |
1694 | } | |
1695 | ||
1696 | warn (_("DW_FORM_GNU_strp_alt offset (%s) too big or no string sections available\n"), | |
1697 | dwarf_vmatoa ("x", offset)); | |
1698 | return _("<offset is too big>"); | |
dda8d76d NC |
1699 | } |
1700 | ||
d85bf2ba NC |
1701 | static const char * |
1702 | get_AT_name (unsigned long attribute) | |
1703 | { | |
1704 | const char *name; | |
1705 | ||
1706 | if (attribute == 0) | |
1707 | return "DW_AT value: 0"; | |
1708 | ||
1709 | /* One value is shared by the MIPS and HP extensions: */ | |
1710 | if (attribute == DW_AT_MIPS_fde) | |
1711 | return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable"; | |
1712 | ||
1713 | name = get_DW_AT_name (attribute); | |
1714 | ||
1715 | if (name == NULL) | |
1716 | { | |
1717 | static char buffer[100]; | |
1718 | ||
1719 | snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"), | |
1720 | attribute); | |
1721 | return buffer; | |
1722 | } | |
1723 | ||
1724 | return name; | |
1725 | } | |
1726 | ||
24841daa NC |
1727 | static void |
1728 | add_dwo_info (const char * field, dwo_type type) | |
1729 | { | |
1730 | dwo_info * dwinfo = xmalloc (sizeof * dwinfo); | |
1731 | ||
1732 | dwinfo->type = type; | |
1733 | dwinfo->value = field; | |
1734 | dwinfo->next = first_dwo_info; | |
1735 | first_dwo_info = dwinfo; | |
1736 | } | |
1737 | ||
1738 | static void | |
1739 | add_dwo_name (const char * name) | |
1740 | { | |
1741 | add_dwo_info (name, DWO_NAME); | |
1742 | } | |
1743 | ||
1744 | static void | |
1745 | add_dwo_dir (const char * dir) | |
1746 | { | |
1747 | add_dwo_info (dir, DWO_DIR); | |
1748 | } | |
1749 | ||
1750 | static void | |
1751 | add_dwo_id (const char * id) | |
1752 | { | |
1753 | add_dwo_info (id, DWO_ID); | |
1754 | } | |
1755 | ||
1756 | static void | |
1757 | free_dwo_info (void) | |
1758 | { | |
1759 | dwo_info * dwinfo; | |
1760 | dwo_info * next; | |
1761 | ||
1762 | for (dwinfo = first_dwo_info; dwinfo != NULL; dwinfo = next) | |
1763 | { | |
1764 | next = dwinfo->next; | |
1765 | free (dwinfo); | |
1766 | } | |
1767 | first_dwo_info = NULL; | |
1768 | } | |
1769 | ||
afc72f15 NC |
1770 | /* Ensure that START + UVALUE is less than END. |
1771 | Return an adjusted UVALUE if necessary to ensure this relationship. */ | |
1772 | ||
1773 | static inline dwarf_vma | |
1774 | check_uvalue (const unsigned char * start, | |
1775 | dwarf_vma uvalue, | |
1776 | const unsigned char * end) | |
1777 | { | |
1778 | dwarf_vma max_uvalue = end - start; | |
1779 | ||
afc72f15 NC |
1780 | /* See PR 17512: file: 008-103549-0.001:0.1. |
1781 | and PR 24829 for examples of where these tests are triggered. */ | |
a85eba51 | 1782 | if (uvalue > max_uvalue) |
afc72f15 NC |
1783 | { |
1784 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
1785 | uvalue = max_uvalue; | |
1786 | } | |
1787 | ||
1788 | return uvalue; | |
1789 | } | |
1790 | ||
ec1b0fbb NC |
1791 | static unsigned char * |
1792 | skip_attr_bytes (unsigned long form, | |
1793 | unsigned char * data, | |
1794 | unsigned const char * end, | |
1795 | dwarf_vma pointer_size, | |
1796 | dwarf_vma offset_size, | |
1797 | int dwarf_version, | |
1798 | dwarf_vma * value_return) | |
1799 | { | |
cd30bcef AM |
1800 | dwarf_signed_vma svalue; |
1801 | dwarf_vma uvalue = 0; | |
ec1b0fbb NC |
1802 | |
1803 | * value_return = 0; | |
1804 | ||
1805 | switch (form) | |
1806 | { | |
1807 | case DW_FORM_ref_addr: | |
1808 | if (dwarf_version == 2) | |
1809 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); | |
1810 | else if (dwarf_version == 3 || dwarf_version == 4) | |
1811 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); | |
1812 | else | |
1813 | return NULL; | |
1814 | break; | |
1815 | ||
1816 | case DW_FORM_addr: | |
1817 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); | |
1818 | break; | |
1819 | ||
1820 | case DW_FORM_strp: | |
1821 | case DW_FORM_line_strp: | |
1822 | case DW_FORM_sec_offset: | |
1823 | case DW_FORM_GNU_ref_alt: | |
1824 | case DW_FORM_GNU_strp_alt: | |
1825 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); | |
1826 | break; | |
1827 | ||
1828 | case DW_FORM_flag_present: | |
1829 | uvalue = 1; | |
1830 | break; | |
1831 | ||
1832 | case DW_FORM_ref1: | |
1833 | case DW_FORM_flag: | |
1834 | case DW_FORM_data1: | |
1835 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); | |
1836 | break; | |
1837 | ||
1838 | case DW_FORM_ref2: | |
1839 | case DW_FORM_data2: | |
1840 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); | |
1841 | break; | |
1842 | ||
1843 | case DW_FORM_ref4: | |
1844 | case DW_FORM_data4: | |
1845 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); | |
1846 | break; | |
1847 | ||
1848 | case DW_FORM_sdata: | |
cd30bcef AM |
1849 | READ_SLEB (svalue, data, end); |
1850 | uvalue = svalue; | |
ec1b0fbb NC |
1851 | break; |
1852 | ||
1853 | case DW_FORM_ref_udata: | |
1854 | case DW_FORM_udata: | |
1855 | case DW_FORM_GNU_str_index: | |
1856 | case DW_FORM_GNU_addr_index: | |
cd30bcef | 1857 | READ_ULEB (uvalue, data, end); |
ec1b0fbb NC |
1858 | break; |
1859 | ||
1860 | case DW_FORM_ref8: | |
1861 | case DW_FORM_data8: | |
1862 | data += 8; | |
1863 | break; | |
1864 | ||
1865 | case DW_FORM_data16: | |
1866 | data += 16; | |
1867 | break; | |
1868 | ||
1869 | case DW_FORM_string: | |
1870 | data += strnlen ((char *) data, end - data) + 1; | |
1871 | break; | |
1872 | ||
1873 | case DW_FORM_block: | |
1874 | case DW_FORM_exprloc: | |
cd30bcef | 1875 | READ_ULEB (uvalue, data, end); |
ec1b0fbb NC |
1876 | break; |
1877 | ||
1878 | case DW_FORM_block1: | |
1879 | SAFE_BYTE_GET (uvalue, data, 1, end); | |
1880 | data += 1 + uvalue; | |
1881 | break; | |
1882 | ||
1883 | case DW_FORM_block2: | |
1884 | SAFE_BYTE_GET (uvalue, data, 2, end); | |
1885 | data += 2 + uvalue; | |
1886 | break; | |
1887 | ||
1888 | case DW_FORM_block4: | |
1889 | SAFE_BYTE_GET (uvalue, data, 4, end); | |
1890 | data += 4 + uvalue; | |
1891 | break; | |
1892 | ||
1893 | case DW_FORM_ref_sig8: | |
1894 | data += 8; | |
1895 | break; | |
1896 | ||
1897 | case DW_FORM_indirect: | |
1898 | /* FIXME: Handle this form. */ | |
1899 | default: | |
1900 | return NULL; | |
1901 | } | |
1902 | ||
1903 | * value_return = uvalue; | |
1904 | if (data > end) | |
1905 | data = (unsigned char *) end; | |
1906 | return data; | |
1907 | } | |
1908 | ||
1909 | /* Return IS_SIGNED set to TRUE if the type at | |
1910 | DATA can be determined to be a signed type. */ | |
1911 | ||
1912 | static void | |
1913 | get_type_signedness (unsigned char * start, | |
1914 | unsigned char * data, | |
1915 | unsigned const char * end, | |
1916 | dwarf_vma pointer_size, | |
1917 | dwarf_vma offset_size, | |
1918 | int dwarf_version, | |
1919 | bfd_boolean * is_signed, | |
1920 | bfd_boolean is_nested) | |
1921 | { | |
1922 | unsigned long abbrev_number; | |
ec1b0fbb NC |
1923 | abbrev_entry * entry; |
1924 | abbrev_attr * attr; | |
1925 | ||
1926 | * is_signed = FALSE; | |
1927 | ||
cd30bcef | 1928 | READ_ULEB (abbrev_number, data, end); |
ec1b0fbb NC |
1929 | |
1930 | for (entry = first_abbrev; | |
1931 | entry != NULL && entry->entry != abbrev_number; | |
1932 | entry = entry->next) | |
1933 | continue; | |
1934 | ||
1935 | if (entry == NULL) | |
1936 | /* FIXME: Issue a warning ? */ | |
1937 | return; | |
1938 | ||
1939 | for (attr = entry->first_attr; | |
1940 | attr != NULL && attr->attribute; | |
1941 | attr = attr->next) | |
1942 | { | |
1943 | dwarf_vma uvalue = 0; | |
1944 | ||
1945 | data = skip_attr_bytes (attr->form, data, end, pointer_size, | |
1946 | offset_size, dwarf_version, & uvalue); | |
1947 | if (data == NULL) | |
1948 | return; | |
1949 | ||
1950 | switch (attr->attribute) | |
1951 | { | |
1952 | #if 0 /* FIXME: It would be nice to print the name of the type, | |
1953 | but this would mean updating a lot of binutils tests. */ | |
1954 | case DW_AT_name: | |
1955 | if (attr->form == DW_FORM_strp) | |
1956 | printf ("%s", fetch_indirect_string (uvalue)); | |
1957 | break; | |
1958 | #endif | |
1959 | case DW_AT_type: | |
1960 | /* Recurse. */ | |
1961 | if (is_nested) | |
1962 | { | |
1963 | /* FIXME: Warn - or is this expected ? | |
1964 | NB/ We need to avoid infinite recursion. */ | |
1965 | return; | |
1966 | } | |
b3fe587e AM |
1967 | if (uvalue >= (size_t) (end - start)) |
1968 | return; | |
ec1b0fbb NC |
1969 | get_type_signedness (start, start + uvalue, end, pointer_size, |
1970 | offset_size, dwarf_version, is_signed, TRUE); | |
1971 | break; | |
1972 | ||
1973 | case DW_AT_encoding: | |
1974 | /* Determine signness. */ | |
1975 | switch (uvalue) | |
1976 | { | |
1977 | case DW_ATE_address: | |
1978 | /* FIXME - some architectures have signed addresses. */ | |
1979 | case DW_ATE_boolean: | |
1980 | case DW_ATE_unsigned: | |
1981 | case DW_ATE_unsigned_char: | |
1982 | case DW_ATE_unsigned_fixed: | |
1983 | * is_signed = FALSE; | |
1984 | break; | |
1985 | ||
1986 | default: | |
1987 | case DW_ATE_complex_float: | |
1988 | case DW_ATE_float: | |
1989 | case DW_ATE_signed: | |
1990 | case DW_ATE_signed_char: | |
1991 | case DW_ATE_imaginary_float: | |
1992 | case DW_ATE_decimal_float: | |
1993 | case DW_ATE_signed_fixed: | |
1994 | * is_signed = TRUE; | |
1995 | break; | |
1996 | } | |
1997 | break; | |
1998 | } | |
1999 | } | |
2000 | } | |
2001 | ||
2002 | static void | |
2003 | read_and_print_leb128 (unsigned char * data, | |
2004 | unsigned int * bytes_read, | |
2005 | unsigned const char * end, | |
2006 | bfd_boolean is_signed) | |
2007 | { | |
cd30bcef AM |
2008 | int status; |
2009 | dwarf_vma val = read_leb128 (data, end, is_signed, bytes_read, &status); | |
2010 | if (status != 0) | |
2011 | report_leb_status (status); | |
ec1b0fbb | 2012 | else |
cd30bcef | 2013 | printf ("%s", dwarf_vmatoa (is_signed ? "d" : "u", val)); |
ec1b0fbb NC |
2014 | } |
2015 | ||
2016 | static void | |
2017 | display_discr_list (unsigned long form, | |
2018 | dwarf_vma uvalue, | |
2019 | unsigned char * data, | |
2020 | unsigned const char * end, | |
2021 | int level) | |
2022 | { | |
2023 | if (uvalue == 0) | |
2024 | { | |
2025 | printf ("[default]"); | |
2026 | return; | |
2027 | } | |
2028 | ||
2029 | switch (form) | |
2030 | { | |
2031 | case DW_FORM_block: | |
2032 | case DW_FORM_block1: | |
2033 | case DW_FORM_block2: | |
2034 | case DW_FORM_block4: | |
2035 | /* Move data pointer back to the start of the byte array. */ | |
2036 | data -= uvalue; | |
2037 | break; | |
2038 | default: | |
2039 | printf ("<corrupt>\n"); | |
2040 | warn (_("corrupt discr_list - not using a block form\n")); | |
2041 | return; | |
2042 | } | |
2043 | ||
2044 | if (uvalue < 2) | |
2045 | { | |
2046 | printf ("<corrupt>\n"); | |
2047 | warn (_("corrupt discr_list - block not long enough\n")); | |
2048 | return; | |
2049 | } | |
2050 | ||
2051 | bfd_boolean is_signed = | |
2052 | (level > 0 && level <= MAX_CU_NESTING) | |
2053 | ? level_type_signed [level - 1] : FALSE; | |
2054 | ||
2055 | printf ("("); | |
2056 | while (uvalue) | |
2057 | { | |
2058 | unsigned char discriminant; | |
2059 | unsigned int bytes_read; | |
2060 | ||
2061 | SAFE_BYTE_GET (discriminant, data, 1, end); | |
2062 | -- uvalue; | |
2063 | data ++; | |
2064 | ||
2065 | assert (uvalue > 0); | |
2066 | switch (discriminant) | |
2067 | { | |
2068 | case DW_DSC_label: | |
2069 | printf ("label "); | |
2070 | read_and_print_leb128 (data, & bytes_read, end, is_signed); | |
2071 | assert (bytes_read <= uvalue && bytes_read > 0); | |
2072 | uvalue -= bytes_read; | |
2073 | data += bytes_read; | |
2074 | break; | |
2075 | ||
2076 | case DW_DSC_range: | |
2077 | printf ("range "); | |
2078 | read_and_print_leb128 (data, & bytes_read, end, is_signed); | |
2079 | assert (bytes_read <= uvalue && bytes_read > 0); | |
2080 | uvalue -= bytes_read; | |
2081 | data += bytes_read; | |
2082 | ||
2083 | printf (".."); | |
2084 | read_and_print_leb128 (data, & bytes_read, end, is_signed); | |
2085 | assert (bytes_read <= uvalue && bytes_read > 0); | |
2086 | uvalue -= bytes_read; | |
2087 | data += bytes_read; | |
2088 | break; | |
2089 | ||
2090 | default: | |
2091 | printf ("<corrupt>\n"); | |
2092 | warn (_("corrupt discr_list - unrecognised discriminant byte %#x\n"), | |
2093 | discriminant); | |
2094 | return; | |
2095 | } | |
2096 | ||
2097 | if (uvalue) | |
2098 | printf (", "); | |
2099 | } | |
2100 | ||
2101 | if (is_signed) | |
2102 | printf (")(signed)"); | |
2103 | else | |
2104 | printf (")(unsigned)"); | |
2105 | } | |
2106 | ||
19e6b90e | 2107 | static unsigned char * |
dda8d76d NC |
2108 | read_and_display_attr_value (unsigned long attribute, |
2109 | unsigned long form, | |
2110 | dwarf_signed_vma implicit_const, | |
ec1b0fbb | 2111 | unsigned char * start, |
dda8d76d NC |
2112 | unsigned char * data, |
2113 | unsigned char * end, | |
2114 | dwarf_vma cu_offset, | |
2115 | dwarf_vma pointer_size, | |
2116 | dwarf_vma offset_size, | |
2117 | int dwarf_version, | |
2118 | debug_info * debug_info_p, | |
2119 | int do_loc, | |
2120 | struct dwarf_section * section, | |
2121 | struct cu_tu_set * this_set, | |
ec1b0fbb NC |
2122 | char delimiter, |
2123 | int level) | |
19e6b90e | 2124 | { |
cd30bcef | 2125 | dwarf_signed_vma svalue; |
ec1b0fbb NC |
2126 | dwarf_vma uvalue = 0; |
2127 | unsigned char * block_start = NULL; | |
2128 | unsigned char * orig_data = data; | |
19e6b90e | 2129 | |
f41e4712 | 2130 | if (data > end || (data == end && form != DW_FORM_flag_present)) |
0c588247 | 2131 | { |
f41e4712 | 2132 | warn (_("Corrupt attribute\n")); |
0c588247 NC |
2133 | return data; |
2134 | } | |
2135 | ||
19e6b90e L |
2136 | switch (form) |
2137 | { | |
2138 | default: | |
2139 | break; | |
2140 | ||
2141 | case DW_FORM_ref_addr: | |
2142 | if (dwarf_version == 2) | |
0c588247 | 2143 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
932fd279 | 2144 | else if (dwarf_version == 3 || dwarf_version == 4) |
0c588247 | 2145 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
19e6b90e | 2146 | else |
467c65bc NC |
2147 | error (_("Internal error: DWARF version is not 2, 3 or 4.\n")); |
2148 | ||
19e6b90e L |
2149 | break; |
2150 | ||
2151 | case DW_FORM_addr: | |
0c588247 | 2152 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
19e6b90e L |
2153 | break; |
2154 | ||
2155 | case DW_FORM_strp: | |
77145576 | 2156 | case DW_FORM_line_strp: |
932fd279 | 2157 | case DW_FORM_sec_offset: |
a081f3cd JJ |
2158 | case DW_FORM_GNU_ref_alt: |
2159 | case DW_FORM_GNU_strp_alt: | |
0c588247 | 2160 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
19e6b90e L |
2161 | break; |
2162 | ||
932fd279 JJ |
2163 | case DW_FORM_flag_present: |
2164 | uvalue = 1; | |
2165 | break; | |
2166 | ||
19e6b90e L |
2167 | case DW_FORM_ref1: |
2168 | case DW_FORM_flag: | |
2169 | case DW_FORM_data1: | |
0c588247 | 2170 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
19e6b90e L |
2171 | break; |
2172 | ||
2173 | case DW_FORM_ref2: | |
2174 | case DW_FORM_data2: | |
0c588247 | 2175 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
19e6b90e L |
2176 | break; |
2177 | ||
2178 | case DW_FORM_ref4: | |
2179 | case DW_FORM_data4: | |
0c588247 | 2180 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
19e6b90e L |
2181 | break; |
2182 | ||
2183 | case DW_FORM_sdata: | |
cd30bcef AM |
2184 | READ_SLEB (svalue, data, end); |
2185 | uvalue = svalue; | |
19e6b90e L |
2186 | break; |
2187 | ||
4723351a | 2188 | case DW_FORM_GNU_str_index: |
19e6b90e L |
2189 | case DW_FORM_ref_udata: |
2190 | case DW_FORM_udata: | |
cd30bcef AM |
2191 | case DW_FORM_GNU_addr_index: |
2192 | READ_ULEB (uvalue, data, end); | |
19e6b90e L |
2193 | break; |
2194 | ||
2195 | case DW_FORM_indirect: | |
cd30bcef | 2196 | READ_ULEB (form, data, end); |
19e6b90e | 2197 | if (!do_loc) |
ef0b5f1c | 2198 | printf ("%c%s", delimiter, get_FORM_name (form)); |
77145576 | 2199 | if (form == DW_FORM_implicit_const) |
cd30bcef | 2200 | READ_SLEB (implicit_const, data, end); |
ec1b0fbb NC |
2201 | return read_and_display_attr_value (attribute, form, implicit_const, |
2202 | start, data, end, | |
2203 | cu_offset, pointer_size, | |
19e6b90e | 2204 | offset_size, dwarf_version, |
ec4d4525 | 2205 | debug_info_p, do_loc, |
ec1b0fbb | 2206 | section, this_set, delimiter, level); |
19e6b90e L |
2207 | } |
2208 | ||
2209 | switch (form) | |
2210 | { | |
2211 | case DW_FORM_ref_addr: | |
2212 | if (!do_loc) | |
ef0b5f1c | 2213 | printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x",uvalue)); |
19e6b90e L |
2214 | break; |
2215 | ||
a081f3cd JJ |
2216 | case DW_FORM_GNU_ref_alt: |
2217 | if (!do_loc) | |
ef0b5f1c | 2218 | printf ("%c<alt 0x%s>", delimiter, dwarf_vmatoa ("x",uvalue)); |
dda8d76d | 2219 | /* FIXME: Follow the reference... */ |
a081f3cd JJ |
2220 | break; |
2221 | ||
19e6b90e L |
2222 | case DW_FORM_ref1: |
2223 | case DW_FORM_ref2: | |
2224 | case DW_FORM_ref4: | |
2225 | case DW_FORM_ref_udata: | |
2226 | if (!do_loc) | |
ef0b5f1c | 2227 | printf ("%c<0x%s>", delimiter, dwarf_vmatoa ("x", uvalue + cu_offset)); |
19e6b90e L |
2228 | break; |
2229 | ||
2230 | case DW_FORM_data4: | |
2231 | case DW_FORM_addr: | |
932fd279 | 2232 | case DW_FORM_sec_offset: |
19e6b90e | 2233 | if (!do_loc) |
ef0b5f1c | 2234 | printf ("%c0x%s", delimiter, dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
2235 | break; |
2236 | ||
932fd279 | 2237 | case DW_FORM_flag_present: |
19e6b90e L |
2238 | case DW_FORM_flag: |
2239 | case DW_FORM_data1: | |
2240 | case DW_FORM_data2: | |
2241 | case DW_FORM_sdata: | |
2242 | case DW_FORM_udata: | |
2243 | if (!do_loc) | |
ef0b5f1c | 2244 | printf ("%c%s", delimiter, dwarf_vmatoa ("d", uvalue)); |
19e6b90e L |
2245 | break; |
2246 | ||
77145576 JK |
2247 | case DW_FORM_implicit_const: |
2248 | if (!do_loc) | |
2249 | printf ("%c%s", delimiter, dwarf_vmatoa ("d", implicit_const)); | |
2250 | break; | |
2251 | ||
19e6b90e L |
2252 | case DW_FORM_ref8: |
2253 | case DW_FORM_data8: | |
2bc8690c | 2254 | if (!do_loc) |
19e6b90e | 2255 | { |
74bc6052 | 2256 | dwarf_vma high_bits; |
a69c4772 | 2257 | dwarf_vma utmp; |
74bc6052 CC |
2258 | char buf[64]; |
2259 | ||
0c588247 | 2260 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); |
a69c4772 NC |
2261 | utmp = uvalue; |
2262 | if (form == DW_FORM_ref8) | |
2263 | add64 (& high_bits, & utmp, cu_offset); | |
ef0b5f1c | 2264 | printf ("%c0x%s", delimiter, |
a69c4772 | 2265 | dwarf_vmatoa64 (high_bits, utmp, buf, sizeof (buf))); |
19e6b90e | 2266 | } |
0c588247 | 2267 | |
19e6b90e L |
2268 | if ((do_loc || do_debug_loc || do_debug_ranges) |
2269 | && num_debug_info_entries == 0) | |
2270 | { | |
2271 | if (sizeof (uvalue) == 8) | |
0c588247 | 2272 | SAFE_BYTE_GET (uvalue, data, 8, end); |
19e6b90e | 2273 | else |
467c65bc | 2274 | error (_("DW_FORM_data8 is unsupported when sizeof (dwarf_vma) != 8\n")); |
19e6b90e | 2275 | } |
0c588247 | 2276 | |
19e6b90e L |
2277 | data += 8; |
2278 | break; | |
2279 | ||
2f6cd591 JK |
2280 | case DW_FORM_data16: |
2281 | if (!do_loc) | |
2282 | { | |
2283 | dwarf_vma left_high_bits, left_low_bits; | |
2284 | dwarf_vma right_high_bits, right_low_bits; | |
2285 | ||
2286 | SAFE_BYTE_GET64 (data, &left_high_bits, &left_low_bits, end); | |
2287 | SAFE_BYTE_GET64 (data + 8, &right_high_bits, &right_low_bits, end); | |
2288 | if (byte_get == byte_get_little_endian) | |
2289 | { | |
2290 | /* Swap them. */ | |
2291 | left_high_bits ^= right_high_bits; | |
2292 | right_high_bits ^= left_high_bits; | |
2293 | left_high_bits ^= right_high_bits; | |
2294 | left_low_bits ^= right_low_bits; | |
2295 | right_low_bits ^= left_low_bits; | |
2296 | left_low_bits ^= right_low_bits; | |
2297 | } | |
2298 | printf (" 0x%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x" | |
2299 | "%08" DWARF_VMA_FMT "x%08" DWARF_VMA_FMT "x", | |
2300 | left_high_bits, left_low_bits, right_high_bits, | |
2301 | right_low_bits); | |
2302 | } | |
2303 | data += 16; | |
2304 | break; | |
2305 | ||
19e6b90e L |
2306 | case DW_FORM_string: |
2307 | if (!do_loc) | |
ef0b5f1c | 2308 | printf ("%c%.*s", delimiter, (int) (end - data), data); |
0c588247 | 2309 | data += strnlen ((char *) data, end - data) + 1; |
19e6b90e L |
2310 | break; |
2311 | ||
2312 | case DW_FORM_block: | |
932fd279 | 2313 | case DW_FORM_exprloc: |
cd30bcef AM |
2314 | READ_ULEB (uvalue, data, end); |
2315 | do_block: | |
2316 | block_start = data; | |
a1165289 NC |
2317 | if (block_start >= end) |
2318 | { | |
2319 | warn (_("Block ends prematurely\n")); | |
2320 | uvalue = 0; | |
2321 | block_start = end; | |
2322 | } | |
afc72f15 NC |
2323 | |
2324 | uvalue = check_uvalue (block_start, uvalue, end); | |
2325 | ||
19e6b90e L |
2326 | if (do_loc) |
2327 | data = block_start + uvalue; | |
2328 | else | |
ef0b5f1c | 2329 | data = display_block (block_start, uvalue, end, delimiter); |
19e6b90e L |
2330 | break; |
2331 | ||
2332 | case DW_FORM_block1: | |
cd30bcef AM |
2333 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
2334 | goto do_block; | |
19e6b90e L |
2335 | |
2336 | case DW_FORM_block2: | |
cd30bcef AM |
2337 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
2338 | goto do_block; | |
19e6b90e L |
2339 | |
2340 | case DW_FORM_block4: | |
cd30bcef AM |
2341 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
2342 | goto do_block; | |
19e6b90e L |
2343 | |
2344 | case DW_FORM_strp: | |
2345 | if (!do_loc) | |
ef0b5f1c | 2346 | printf (_("%c(indirect string, offset: 0x%s): %s"), delimiter, |
47704ddf KT |
2347 | dwarf_vmatoa ("x", uvalue), |
2348 | fetch_indirect_string (uvalue)); | |
19e6b90e L |
2349 | break; |
2350 | ||
77145576 JK |
2351 | case DW_FORM_line_strp: |
2352 | if (!do_loc) | |
2353 | printf (_("%c(indirect line string, offset: 0x%s): %s"), delimiter, | |
2354 | dwarf_vmatoa ("x", uvalue), | |
2355 | fetch_indirect_line_string (uvalue)); | |
2356 | break; | |
2357 | ||
4723351a CC |
2358 | case DW_FORM_GNU_str_index: |
2359 | if (!do_loc) | |
b4eb7656 | 2360 | { |
d85bf2ba NC |
2361 | const char * suffix = strrchr (section->name, '.'); |
2362 | bfd_boolean dwo = (suffix && strcmp (suffix, ".dwo") == 0) ? TRUE : FALSE; | |
b4eb7656 | 2363 | |
ef0b5f1c | 2364 | printf (_("%c(indexed string: 0x%s): %s"), delimiter, |
b4eb7656 AM |
2365 | dwarf_vmatoa ("x", uvalue), |
2366 | fetch_indexed_string (uvalue, this_set, offset_size, dwo)); | |
2367 | } | |
4723351a CC |
2368 | break; |
2369 | ||
a081f3cd JJ |
2370 | case DW_FORM_GNU_strp_alt: |
2371 | if (!do_loc) | |
dda8d76d NC |
2372 | { |
2373 | printf (_("%c(alt indirect string, offset: 0x%s) %s"), delimiter, | |
2374 | dwarf_vmatoa ("x", uvalue), | |
2375 | fetch_alt_indirect_string (uvalue)); | |
2376 | } | |
a081f3cd JJ |
2377 | break; |
2378 | ||
19e6b90e L |
2379 | case DW_FORM_indirect: |
2380 | /* Handled above. */ | |
2381 | break; | |
2382 | ||
2b6f5997 CC |
2383 | case DW_FORM_ref_sig8: |
2384 | if (!do_loc) | |
2385 | { | |
74bc6052 CC |
2386 | dwarf_vma high_bits; |
2387 | char buf[64]; | |
2388 | ||
0c588247 | 2389 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); |
ef0b5f1c | 2390 | printf ("%csignature: 0x%s", delimiter, |
74bc6052 | 2391 | dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf))); |
2b6f5997 | 2392 | } |
74bc6052 | 2393 | data += 8; |
2b6f5997 CC |
2394 | break; |
2395 | ||
4723351a CC |
2396 | case DW_FORM_GNU_addr_index: |
2397 | if (!do_loc) | |
ef0b5f1c | 2398 | printf (_("%c(addr_index: 0x%s): %s"), delimiter, |
b4eb7656 AM |
2399 | dwarf_vmatoa ("x", uvalue), |
2400 | fetch_indexed_value (uvalue * pointer_size, pointer_size)); | |
4723351a CC |
2401 | break; |
2402 | ||
19e6b90e L |
2403 | default: |
2404 | warn (_("Unrecognized form: %lu\n"), form); | |
2405 | break; | |
2406 | } | |
2407 | ||
19e6b90e | 2408 | if ((do_loc || do_debug_loc || do_debug_ranges) |
fd2f0033 TT |
2409 | && num_debug_info_entries == 0 |
2410 | && debug_info_p != NULL) | |
19e6b90e L |
2411 | { |
2412 | switch (attribute) | |
2413 | { | |
2414 | case DW_AT_frame_base: | |
2415 | have_frame_base = 1; | |
1a0670f3 | 2416 | /* Fall through. */ |
19e6b90e | 2417 | case DW_AT_location: |
9f272209 | 2418 | case DW_AT_GNU_locviews: |
e2a0d921 NC |
2419 | case DW_AT_string_length: |
2420 | case DW_AT_return_addr: | |
19e6b90e L |
2421 | case DW_AT_data_member_location: |
2422 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
2423 | case DW_AT_segment: |
2424 | case DW_AT_static_link: | |
2425 | case DW_AT_use_location: | |
bc0a77d2 | 2426 | case DW_AT_call_value: |
629e7ca8 | 2427 | case DW_AT_GNU_call_site_value: |
bc0a77d2 | 2428 | case DW_AT_call_data_value: |
629e7ca8 | 2429 | case DW_AT_GNU_call_site_data_value: |
bc0a77d2 | 2430 | case DW_AT_call_target: |
629e7ca8 | 2431 | case DW_AT_GNU_call_site_target: |
bc0a77d2 | 2432 | case DW_AT_call_target_clobbered: |
629e7ca8 | 2433 | case DW_AT_GNU_call_site_target_clobbered: |
b4eb7656 | 2434 | if ((dwarf_version < 4 |
212b6063 | 2435 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 2436 | || form == DW_FORM_sec_offset) |
19e6b90e L |
2437 | { |
2438 | /* Process location list. */ | |
91d6fa6a | 2439 | unsigned int lmax = debug_info_p->max_loc_offsets; |
19e6b90e L |
2440 | unsigned int num = debug_info_p->num_loc_offsets; |
2441 | ||
91d6fa6a | 2442 | if (lmax == 0 || num >= lmax) |
19e6b90e | 2443 | { |
91d6fa6a | 2444 | lmax += 1024; |
467c65bc | 2445 | debug_info_p->loc_offsets = (dwarf_vma *) |
b4eb7656 AM |
2446 | xcrealloc (debug_info_p->loc_offsets, |
2447 | lmax, sizeof (*debug_info_p->loc_offsets)); | |
9f272209 AO |
2448 | debug_info_p->loc_views = (dwarf_vma *) |
2449 | xcrealloc (debug_info_p->loc_views, | |
2450 | lmax, sizeof (*debug_info_p->loc_views)); | |
3f5e193b | 2451 | debug_info_p->have_frame_base = (int *) |
b4eb7656 AM |
2452 | xcrealloc (debug_info_p->have_frame_base, |
2453 | lmax, sizeof (*debug_info_p->have_frame_base)); | |
91d6fa6a | 2454 | debug_info_p->max_loc_offsets = lmax; |
19e6b90e | 2455 | } |
341f9135 | 2456 | if (this_set != NULL) |
b4eb7656 | 2457 | uvalue += this_set->section_offsets [DW_SECT_LOC]; |
19e6b90e | 2458 | debug_info_p->have_frame_base [num] = have_frame_base; |
9f272209 AO |
2459 | if (attribute != DW_AT_GNU_locviews) |
2460 | { | |
a7504f87 NC |
2461 | /* Corrupt DWARF info can produce more offsets than views. |
2462 | See PR 23062 for an example. */ | |
2463 | if (debug_info_p->num_loc_offsets | |
2464 | > debug_info_p->num_loc_views) | |
2465 | warn (_("More location offset attributes than DW_AT_GNU_locview attributes\n")); | |
2466 | else | |
2467 | { | |
2468 | debug_info_p->loc_offsets [num] = uvalue; | |
2469 | debug_info_p->num_loc_offsets++; | |
2470 | } | |
9f272209 AO |
2471 | } |
2472 | else | |
2473 | { | |
2474 | assert (debug_info_p->num_loc_views <= num); | |
2475 | num = debug_info_p->num_loc_views; | |
a7504f87 NC |
2476 | if (num > debug_info_p->num_loc_offsets) |
2477 | warn (_("More DW_AT_GNU_locview attributes than location offset attributes\n")); | |
2478 | else | |
2479 | { | |
2480 | debug_info_p->loc_views [num] = uvalue; | |
2481 | debug_info_p->num_loc_views++; | |
2482 | } | |
9f272209 | 2483 | } |
19e6b90e L |
2484 | } |
2485 | break; | |
e2a0d921 | 2486 | |
19e6b90e L |
2487 | case DW_AT_low_pc: |
2488 | if (need_base_address) | |
2489 | debug_info_p->base_address = uvalue; | |
2490 | break; | |
2491 | ||
4723351a | 2492 | case DW_AT_GNU_addr_base: |
b4eb7656 | 2493 | debug_info_p->addr_base = uvalue; |
4723351a CC |
2494 | break; |
2495 | ||
2496 | case DW_AT_GNU_ranges_base: | |
b4eb7656 | 2497 | debug_info_p->ranges_base = uvalue; |
4723351a CC |
2498 | break; |
2499 | ||
19e6b90e | 2500 | case DW_AT_ranges: |
b4eb7656 | 2501 | if ((dwarf_version < 4 |
212b6063 | 2502 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 2503 | || form == DW_FORM_sec_offset) |
19e6b90e L |
2504 | { |
2505 | /* Process range list. */ | |
91d6fa6a | 2506 | unsigned int lmax = debug_info_p->max_range_lists; |
19e6b90e L |
2507 | unsigned int num = debug_info_p->num_range_lists; |
2508 | ||
91d6fa6a | 2509 | if (lmax == 0 || num >= lmax) |
19e6b90e | 2510 | { |
91d6fa6a | 2511 | lmax += 1024; |
467c65bc | 2512 | debug_info_p->range_lists = (dwarf_vma *) |
b4eb7656 AM |
2513 | xcrealloc (debug_info_p->range_lists, |
2514 | lmax, sizeof (*debug_info_p->range_lists)); | |
91d6fa6a | 2515 | debug_info_p->max_range_lists = lmax; |
19e6b90e L |
2516 | } |
2517 | debug_info_p->range_lists [num] = uvalue; | |
2518 | debug_info_p->num_range_lists++; | |
2519 | } | |
2520 | break; | |
2521 | ||
d85bf2ba NC |
2522 | case DW_AT_GNU_dwo_name: |
2523 | case DW_AT_dwo_name: | |
2524 | if (need_dwo_info) | |
2525 | switch (form) | |
2526 | { | |
2527 | case DW_FORM_strp: | |
24841daa | 2528 | add_dwo_name ((const char *) fetch_indirect_string (uvalue)); |
d85bf2ba NC |
2529 | break; |
2530 | case DW_FORM_GNU_str_index: | |
24841daa | 2531 | add_dwo_name (fetch_indexed_string (uvalue, this_set, offset_size, FALSE)); |
d85bf2ba NC |
2532 | break; |
2533 | case DW_FORM_string: | |
24841daa | 2534 | add_dwo_name ((const char *) orig_data); |
d85bf2ba NC |
2535 | break; |
2536 | default: | |
2537 | warn (_("Unsupported form (%s) for attribute %s\n"), | |
2538 | get_FORM_name (form), get_AT_name (attribute)); | |
d85bf2ba NC |
2539 | break; |
2540 | } | |
2541 | break; | |
2542 | ||
2543 | case DW_AT_comp_dir: | |
2544 | /* FIXME: Also extract a build-id in a CU/TU. */ | |
2545 | if (need_dwo_info) | |
2546 | switch (form) | |
2547 | { | |
2548 | case DW_FORM_strp: | |
24841daa | 2549 | add_dwo_dir ((const char *) fetch_indirect_string (uvalue)); |
d85bf2ba NC |
2550 | break; |
2551 | case DW_FORM_line_strp: | |
24841daa | 2552 | add_dwo_dir ((const char *) fetch_indirect_line_string (uvalue)); |
d85bf2ba NC |
2553 | break; |
2554 | case DW_FORM_GNU_str_index: | |
24841daa | 2555 | add_dwo_dir (fetch_indexed_string (uvalue, this_set, offset_size, FALSE)); |
d85bf2ba NC |
2556 | break; |
2557 | case DW_FORM_string: | |
24841daa | 2558 | add_dwo_dir ((const char *) orig_data); |
d85bf2ba NC |
2559 | break; |
2560 | default: | |
2561 | warn (_("Unsupported form (%s) for attribute %s\n"), | |
2562 | get_FORM_name (form), get_AT_name (attribute)); | |
d85bf2ba NC |
2563 | break; |
2564 | } | |
2565 | break; | |
2566 | ||
2567 | case DW_AT_GNU_dwo_id: | |
2568 | if (need_dwo_info) | |
2569 | switch (form) | |
2570 | { | |
2571 | case DW_FORM_data8: | |
24841daa NC |
2572 | /* FIXME: Record the length of the ID as well ? */ |
2573 | add_dwo_id ((const char *) (data - 8)); | |
d85bf2ba NC |
2574 | break; |
2575 | default: | |
2576 | warn (_("Unsupported form (%s) for attribute %s\n"), | |
2577 | get_FORM_name (form), get_AT_name (attribute)); | |
d85bf2ba NC |
2578 | break; |
2579 | } | |
2580 | break; | |
2581 | ||
19e6b90e L |
2582 | default: |
2583 | break; | |
2584 | } | |
2585 | } | |
2586 | ||
4ccf1e31 | 2587 | if (do_loc || attribute == 0) |
19e6b90e L |
2588 | return data; |
2589 | ||
ec4d4525 | 2590 | /* For some attributes we can display further information. */ |
19e6b90e L |
2591 | switch (attribute) |
2592 | { | |
ec1b0fbb | 2593 | case DW_AT_type: |
b3fe587e AM |
2594 | if (level >= 0 && level < MAX_CU_NESTING |
2595 | && uvalue < (size_t) (end - start)) | |
ec1b0fbb NC |
2596 | { |
2597 | bfd_boolean is_signed = FALSE; | |
2598 | ||
2599 | get_type_signedness (start, start + uvalue, end, pointer_size, | |
2600 | offset_size, dwarf_version, & is_signed, FALSE); | |
2601 | level_type_signed[level] = is_signed; | |
2602 | } | |
2603 | break; | |
2604 | ||
19e6b90e | 2605 | case DW_AT_inline: |
2e9e81a8 | 2606 | printf ("\t"); |
19e6b90e L |
2607 | switch (uvalue) |
2608 | { | |
2609 | case DW_INL_not_inlined: | |
2610 | printf (_("(not inlined)")); | |
2611 | break; | |
2612 | case DW_INL_inlined: | |
2613 | printf (_("(inlined)")); | |
2614 | break; | |
2615 | case DW_INL_declared_not_inlined: | |
2616 | printf (_("(declared as inline but ignored)")); | |
2617 | break; | |
2618 | case DW_INL_declared_inlined: | |
2619 | printf (_("(declared as inline and inlined)")); | |
2620 | break; | |
2621 | default: | |
47704ddf KT |
2622 | printf (_(" (Unknown inline attribute value: %s)"), |
2623 | dwarf_vmatoa ("x", uvalue)); | |
19e6b90e L |
2624 | break; |
2625 | } | |
2626 | break; | |
2627 | ||
2628 | case DW_AT_language: | |
2e9e81a8 | 2629 | printf ("\t"); |
19e6b90e L |
2630 | switch (uvalue) |
2631 | { | |
4b78141a | 2632 | /* Ordered by the numeric value of these constants. */ |
19e6b90e | 2633 | case DW_LANG_C89: printf ("(ANSI C)"); break; |
4b78141a NC |
2634 | case DW_LANG_C: printf ("(non-ANSI C)"); break; |
2635 | case DW_LANG_Ada83: printf ("(Ada)"); break; | |
19e6b90e | 2636 | case DW_LANG_C_plus_plus: printf ("(C++)"); break; |
4b78141a NC |
2637 | case DW_LANG_Cobol74: printf ("(Cobol 74)"); break; |
2638 | case DW_LANG_Cobol85: printf ("(Cobol 85)"); break; | |
19e6b90e L |
2639 | case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break; |
2640 | case DW_LANG_Fortran90: printf ("(Fortran 90)"); break; | |
19e6b90e | 2641 | case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break; |
4b78141a | 2642 | case DW_LANG_Modula2: printf ("(Modula 2)"); break; |
19e6b90e | 2643 | /* DWARF 2.1 values. */ |
4b78141a | 2644 | case DW_LANG_Java: printf ("(Java)"); break; |
19e6b90e L |
2645 | case DW_LANG_C99: printf ("(ANSI C99)"); break; |
2646 | case DW_LANG_Ada95: printf ("(ADA 95)"); break; | |
2647 | case DW_LANG_Fortran95: printf ("(Fortran 95)"); break; | |
4b78141a NC |
2648 | /* DWARF 3 values. */ |
2649 | case DW_LANG_PLI: printf ("(PLI)"); break; | |
2650 | case DW_LANG_ObjC: printf ("(Objective C)"); break; | |
2651 | case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break; | |
2652 | case DW_LANG_UPC: printf ("(Unified Parallel C)"); break; | |
2653 | case DW_LANG_D: printf ("(D)"); break; | |
2b6f5997 CC |
2654 | /* DWARF 4 values. */ |
2655 | case DW_LANG_Python: printf ("(Python)"); break; | |
3362e0d9 | 2656 | /* DWARF 5 values. */ |
2008a0db | 2657 | case DW_LANG_OpenCL: printf ("(OpenCL)"); break; |
3362e0d9 | 2658 | case DW_LANG_Go: printf ("(Go)"); break; |
2008a0db TT |
2659 | case DW_LANG_Modula3: printf ("(Modula 3)"); break; |
2660 | case DW_LANG_Haskell: printf ("(Haskell)"); break; | |
2661 | case DW_LANG_C_plus_plus_03: printf ("(C++03)"); break; | |
8bc10620 | 2662 | case DW_LANG_C_plus_plus_11: printf ("(C++11)"); break; |
2008a0db TT |
2663 | case DW_LANG_OCaml: printf ("(OCaml)"); break; |
2664 | case DW_LANG_Rust: printf ("(Rust)"); break; | |
6ddfe5b4 | 2665 | case DW_LANG_C11: printf ("(C11)"); break; |
2008a0db TT |
2666 | case DW_LANG_Swift: printf ("(Swift)"); break; |
2667 | case DW_LANG_Julia: printf ("(Julia)"); break; | |
2668 | case DW_LANG_Dylan: printf ("(Dylan)"); break; | |
8bc10620 | 2669 | case DW_LANG_C_plus_plus_14: printf ("(C++14)"); break; |
5a195044 MW |
2670 | case DW_LANG_Fortran03: printf ("(Fortran 03)"); break; |
2671 | case DW_LANG_Fortran08: printf ("(Fortran 08)"); break; | |
2008a0db | 2672 | case DW_LANG_RenderScript: printf ("(RenderScript)"); break; |
19e6b90e L |
2673 | /* MIPS extension. */ |
2674 | case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break; | |
2675 | /* UPC extension. */ | |
2676 | case DW_LANG_Upc: printf ("(Unified Parallel C)"); break; | |
2677 | default: | |
4b78141a | 2678 | if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user) |
9cf03b7e | 2679 | printf (_("(implementation defined: %s)"), |
467c65bc | 2680 | dwarf_vmatoa ("x", uvalue)); |
4b78141a | 2681 | else |
9cf03b7e | 2682 | printf (_("(Unknown: %s)"), dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
2683 | break; |
2684 | } | |
2685 | break; | |
2686 | ||
2687 | case DW_AT_encoding: | |
2e9e81a8 | 2688 | printf ("\t"); |
19e6b90e L |
2689 | switch (uvalue) |
2690 | { | |
2691 | case DW_ATE_void: printf ("(void)"); break; | |
2692 | case DW_ATE_address: printf ("(machine address)"); break; | |
2693 | case DW_ATE_boolean: printf ("(boolean)"); break; | |
2694 | case DW_ATE_complex_float: printf ("(complex float)"); break; | |
2695 | case DW_ATE_float: printf ("(float)"); break; | |
2696 | case DW_ATE_signed: printf ("(signed)"); break; | |
2697 | case DW_ATE_signed_char: printf ("(signed char)"); break; | |
2698 | case DW_ATE_unsigned: printf ("(unsigned)"); break; | |
2699 | case DW_ATE_unsigned_char: printf ("(unsigned char)"); break; | |
e2a0d921 | 2700 | /* DWARF 2.1 values: */ |
19e6b90e L |
2701 | case DW_ATE_imaginary_float: printf ("(imaginary float)"); break; |
2702 | case DW_ATE_decimal_float: printf ("(decimal float)"); break; | |
e2a0d921 NC |
2703 | /* DWARF 3 values: */ |
2704 | case DW_ATE_packed_decimal: printf ("(packed_decimal)"); break; | |
2705 | case DW_ATE_numeric_string: printf ("(numeric_string)"); break; | |
2706 | case DW_ATE_edited: printf ("(edited)"); break; | |
2707 | case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break; | |
2708 | case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break; | |
04914e37 NC |
2709 | /* DWARF 4 values: */ |
2710 | case DW_ATE_UTF: printf ("(unicode string)"); break; | |
2711 | /* DWARF 5 values: */ | |
2712 | case DW_ATE_UCS: printf ("(UCS)"); break; | |
2713 | case DW_ATE_ASCII: printf ("(ASCII)"); break; | |
2714 | ||
e2a0d921 NC |
2715 | /* HP extensions: */ |
2716 | case DW_ATE_HP_float80: printf ("(HP_float80)"); break; | |
2717 | case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break; | |
2718 | case DW_ATE_HP_float128: printf ("(HP_float128)"); break; | |
2719 | case DW_ATE_HP_complex_float128:printf ("(HP_complex_float128)"); break; | |
2720 | case DW_ATE_HP_floathpintel: printf ("(HP_floathpintel)"); break; | |
2721 | case DW_ATE_HP_imaginary_float80: printf ("(HP_imaginary_float80)"); break; | |
2722 | case DW_ATE_HP_imaginary_float128: printf ("(HP_imaginary_float128)"); break; | |
2723 | ||
19e6b90e L |
2724 | default: |
2725 | if (uvalue >= DW_ATE_lo_user | |
2726 | && uvalue <= DW_ATE_hi_user) | |
9cf03b7e | 2727 | printf (_("(user defined type)")); |
19e6b90e | 2728 | else |
9cf03b7e | 2729 | printf (_("(unknown type)")); |
19e6b90e L |
2730 | break; |
2731 | } | |
2732 | break; | |
2733 | ||
2734 | case DW_AT_accessibility: | |
2e9e81a8 | 2735 | printf ("\t"); |
19e6b90e L |
2736 | switch (uvalue) |
2737 | { | |
2738 | case DW_ACCESS_public: printf ("(public)"); break; | |
2739 | case DW_ACCESS_protected: printf ("(protected)"); break; | |
2740 | case DW_ACCESS_private: printf ("(private)"); break; | |
2741 | default: | |
9cf03b7e | 2742 | printf (_("(unknown accessibility)")); |
19e6b90e L |
2743 | break; |
2744 | } | |
2745 | break; | |
2746 | ||
2747 | case DW_AT_visibility: | |
2e9e81a8 | 2748 | printf ("\t"); |
19e6b90e L |
2749 | switch (uvalue) |
2750 | { | |
2751 | case DW_VIS_local: printf ("(local)"); break; | |
2752 | case DW_VIS_exported: printf ("(exported)"); break; | |
2753 | case DW_VIS_qualified: printf ("(qualified)"); break; | |
9cf03b7e | 2754 | default: printf (_("(unknown visibility)")); break; |
19e6b90e L |
2755 | } |
2756 | break; | |
2757 | ||
04914e37 NC |
2758 | case DW_AT_endianity: |
2759 | printf ("\t"); | |
2760 | switch (uvalue) | |
2761 | { | |
2762 | case DW_END_default: printf ("(default)"); break; | |
2763 | case DW_END_big: printf ("(big)"); break; | |
2764 | case DW_END_little: printf ("(little)"); break; | |
2765 | default: | |
2766 | if (uvalue >= DW_END_lo_user && uvalue <= DW_END_hi_user) | |
2767 | printf (_("(user specified)")); | |
2768 | else | |
2769 | printf (_("(unknown endianity)")); | |
2770 | break; | |
2771 | } | |
2772 | break; | |
2773 | ||
19e6b90e | 2774 | case DW_AT_virtuality: |
2e9e81a8 | 2775 | printf ("\t"); |
19e6b90e L |
2776 | switch (uvalue) |
2777 | { | |
2778 | case DW_VIRTUALITY_none: printf ("(none)"); break; | |
2779 | case DW_VIRTUALITY_virtual: printf ("(virtual)"); break; | |
2780 | case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break; | |
9cf03b7e | 2781 | default: printf (_("(unknown virtuality)")); break; |
19e6b90e L |
2782 | } |
2783 | break; | |
2784 | ||
2785 | case DW_AT_identifier_case: | |
2e9e81a8 | 2786 | printf ("\t"); |
19e6b90e L |
2787 | switch (uvalue) |
2788 | { | |
2789 | case DW_ID_case_sensitive: printf ("(case_sensitive)"); break; | |
2790 | case DW_ID_up_case: printf ("(up_case)"); break; | |
2791 | case DW_ID_down_case: printf ("(down_case)"); break; | |
2792 | case DW_ID_case_insensitive: printf ("(case_insensitive)"); break; | |
9cf03b7e | 2793 | default: printf (_("(unknown case)")); break; |
19e6b90e L |
2794 | } |
2795 | break; | |
2796 | ||
2797 | case DW_AT_calling_convention: | |
2e9e81a8 | 2798 | printf ("\t"); |
19e6b90e L |
2799 | switch (uvalue) |
2800 | { | |
2801 | case DW_CC_normal: printf ("(normal)"); break; | |
2802 | case DW_CC_program: printf ("(program)"); break; | |
2803 | case DW_CC_nocall: printf ("(nocall)"); break; | |
04914e37 NC |
2804 | case DW_CC_pass_by_reference: printf ("(pass by ref)"); break; |
2805 | case DW_CC_pass_by_value: printf ("(pass by value)"); break; | |
2806 | case DW_CC_GNU_renesas_sh: printf ("(Rensas SH)"); break; | |
2807 | case DW_CC_GNU_borland_fastcall_i386: printf ("(Borland fastcall i386)"); break; | |
19e6b90e L |
2808 | default: |
2809 | if (uvalue >= DW_CC_lo_user | |
2810 | && uvalue <= DW_CC_hi_user) | |
9cf03b7e | 2811 | printf (_("(user defined)")); |
19e6b90e | 2812 | else |
9cf03b7e | 2813 | printf (_("(unknown convention)")); |
19e6b90e L |
2814 | } |
2815 | break; | |
2816 | ||
2817 | case DW_AT_ordering: | |
2e9e81a8 | 2818 | printf ("\t"); |
19e6b90e L |
2819 | switch (uvalue) |
2820 | { | |
04914e37 | 2821 | case 255: |
9cf03b7e | 2822 | case -1: printf (_("(undefined)")); break; |
19e6b90e L |
2823 | case 0: printf ("(row major)"); break; |
2824 | case 1: printf ("(column major)"); break; | |
2825 | } | |
2826 | break; | |
2827 | ||
04914e37 NC |
2828 | case DW_AT_decimal_sign: |
2829 | printf ("\t"); | |
2830 | switch (uvalue) | |
2831 | { | |
2832 | case DW_DS_unsigned: printf (_("(unsigned)")); break; | |
2833 | case DW_DS_leading_overpunch: printf (_("(leading overpunch)")); break; | |
2834 | case DW_DS_trailing_overpunch: printf (_("(trailing overpunch)")); break; | |
2835 | case DW_DS_leading_separate: printf (_("(leading separate)")); break; | |
2836 | case DW_DS_trailing_separate: printf (_("(trailing separate)")); break; | |
2837 | default: printf (_("(unrecognised)")); break; | |
2838 | } | |
2839 | break; | |
2840 | ||
2841 | case DW_AT_defaulted: | |
2842 | printf ("\t"); | |
2843 | switch (uvalue) | |
2844 | { | |
2845 | case DW_DEFAULTED_no: printf (_("(no)")); break; | |
2846 | case DW_DEFAULTED_in_class: printf (_("(in class)")); break; | |
2847 | case DW_DEFAULTED_out_of_class: printf (_("(out of class)")); break; | |
2848 | default: printf (_("(unrecognised)")); break; | |
2849 | } | |
2850 | break; | |
2851 | ||
2852 | case DW_AT_discr_list: | |
2853 | printf ("\t"); | |
ec1b0fbb | 2854 | display_discr_list (form, uvalue, data, end, level); |
04914e37 NC |
2855 | break; |
2856 | ||
19e6b90e L |
2857 | case DW_AT_frame_base: |
2858 | have_frame_base = 1; | |
1a0670f3 | 2859 | /* Fall through. */ |
19e6b90e | 2860 | case DW_AT_location: |
e2a0d921 NC |
2861 | case DW_AT_string_length: |
2862 | case DW_AT_return_addr: | |
19e6b90e L |
2863 | case DW_AT_data_member_location: |
2864 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
2865 | case DW_AT_segment: |
2866 | case DW_AT_static_link: | |
2867 | case DW_AT_use_location: | |
bc0a77d2 | 2868 | case DW_AT_call_value: |
629e7ca8 | 2869 | case DW_AT_GNU_call_site_value: |
bc0a77d2 | 2870 | case DW_AT_call_data_value: |
629e7ca8 | 2871 | case DW_AT_GNU_call_site_data_value: |
bc0a77d2 | 2872 | case DW_AT_call_target: |
629e7ca8 | 2873 | case DW_AT_GNU_call_site_target: |
bc0a77d2 | 2874 | case DW_AT_call_target_clobbered: |
629e7ca8 | 2875 | case DW_AT_GNU_call_site_target_clobbered: |
212b6063 | 2876 | if ((dwarf_version < 4 |
b4eb7656 | 2877 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) |
932fd279 | 2878 | || form == DW_FORM_sec_offset) |
2e9e81a8 | 2879 | printf (_(" (location list)")); |
e2a0d921 | 2880 | /* Fall through. */ |
19e6b90e L |
2881 | case DW_AT_allocated: |
2882 | case DW_AT_associated: | |
2883 | case DW_AT_data_location: | |
2884 | case DW_AT_stride: | |
2885 | case DW_AT_upper_bound: | |
cecf136e | 2886 | case DW_AT_lower_bound: |
19e6b90e L |
2887 | if (block_start) |
2888 | { | |
2889 | int need_frame_base; | |
2890 | ||
2e9e81a8 | 2891 | printf ("\t("); |
19e6b90e L |
2892 | need_frame_base = decode_location_expression (block_start, |
2893 | pointer_size, | |
b7807392 JJ |
2894 | offset_size, |
2895 | dwarf_version, | |
19e6b90e | 2896 | uvalue, |
f1c4cc75 | 2897 | cu_offset, section); |
19e6b90e L |
2898 | printf (")"); |
2899 | if (need_frame_base && !have_frame_base) | |
2900 | printf (_(" [without DW_AT_frame_base]")); | |
2901 | } | |
19e6b90e L |
2902 | break; |
2903 | ||
c54207d3 NC |
2904 | case DW_AT_data_bit_offset: |
2905 | case DW_AT_byte_size: | |
2906 | case DW_AT_bit_size: | |
2907 | case DW_AT_string_length_byte_size: | |
2908 | case DW_AT_string_length_bit_size: | |
2909 | case DW_AT_bit_stride: | |
2910 | if (form == DW_FORM_exprloc) | |
2911 | { | |
2912 | printf ("\t("); | |
2913 | (void) decode_location_expression (block_start, pointer_size, | |
2914 | offset_size, dwarf_version, | |
2915 | uvalue, cu_offset, section); | |
2916 | printf (")"); | |
2917 | } | |
2918 | break; | |
2919 | ||
ec4d4525 NC |
2920 | case DW_AT_import: |
2921 | { | |
a081f3cd JJ |
2922 | if (form == DW_FORM_ref_sig8 |
2923 | || form == DW_FORM_GNU_ref_alt) | |
b4eb7656 | 2924 | break; |
2b6f5997 | 2925 | |
ec4d4525 NC |
2926 | if (form == DW_FORM_ref1 |
2927 | || form == DW_FORM_ref2 | |
a7a0b6a5 JK |
2928 | || form == DW_FORM_ref4 |
2929 | || form == DW_FORM_ref_udata) | |
ec4d4525 NC |
2930 | uvalue += cu_offset; |
2931 | ||
6e3d6dc1 | 2932 | if (uvalue >= section->size) |
f3853b34 | 2933 | warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset 0x%lx is too big.\n"), |
47704ddf KT |
2934 | dwarf_vmatoa ("x", uvalue), |
2935 | (unsigned long) (orig_data - section->start)); | |
6e3d6dc1 NC |
2936 | else |
2937 | { | |
2938 | unsigned long abbrev_number; | |
cd30bcef AM |
2939 | abbrev_entry *entry; |
2940 | unsigned char *p = section->start + uvalue; | |
6e3d6dc1 | 2941 | |
cd30bcef | 2942 | READ_ULEB (abbrev_number, p, end); |
cecf136e | 2943 | |
2e9e81a8 | 2944 | printf (_("\t[Abbrev Number: %ld"), abbrev_number); |
afd6e1ff JJ |
2945 | /* Don't look up abbrev for DW_FORM_ref_addr, as it very often will |
2946 | use different abbrev table, and we don't track .debug_info chunks | |
2947 | yet. */ | |
2948 | if (form != DW_FORM_ref_addr) | |
2949 | { | |
2950 | for (entry = first_abbrev; entry != NULL; entry = entry->next) | |
2951 | if (entry->entry == abbrev_number) | |
2952 | break; | |
2953 | if (entry != NULL) | |
2954 | printf (" (%s)", get_TAG_name (entry->tag)); | |
2955 | } | |
6e3d6dc1 NC |
2956 | printf ("]"); |
2957 | } | |
ec4d4525 NC |
2958 | } |
2959 | break; | |
2960 | ||
19e6b90e L |
2961 | default: |
2962 | break; | |
2963 | } | |
2964 | ||
2965 | return data; | |
2966 | } | |
2967 | ||
19e6b90e | 2968 | static unsigned char * |
dda8d76d NC |
2969 | read_and_display_attr (unsigned long attribute, |
2970 | unsigned long form, | |
2971 | dwarf_signed_vma implicit_const, | |
ec1b0fbb | 2972 | unsigned char * start, |
dda8d76d NC |
2973 | unsigned char * data, |
2974 | unsigned char * end, | |
2975 | dwarf_vma cu_offset, | |
2976 | dwarf_vma pointer_size, | |
2977 | dwarf_vma offset_size, | |
2978 | int dwarf_version, | |
2979 | debug_info * debug_info_p, | |
2980 | int do_loc, | |
2981 | struct dwarf_section * section, | |
ec1b0fbb NC |
2982 | struct cu_tu_set * this_set, |
2983 | int level) | |
19e6b90e L |
2984 | { |
2985 | if (!do_loc) | |
750f03b7 | 2986 | printf (" %-18s:", get_AT_name (attribute)); |
ec1b0fbb NC |
2987 | data = read_and_display_attr_value (attribute, form, implicit_const, |
2988 | start, data, end, | |
f6f0e17b | 2989 | cu_offset, pointer_size, offset_size, |
19e6b90e | 2990 | dwarf_version, debug_info_p, |
ec1b0fbb | 2991 | do_loc, section, this_set, ' ', level); |
19e6b90e L |
2992 | if (!do_loc) |
2993 | printf ("\n"); | |
2994 | return data; | |
2995 | } | |
2996 | ||
dda8d76d | 2997 | /* Like load_debug_section, but if the ordinary call fails, and we are |
24841daa NC |
2998 | following debug links, then attempt to load the requested section |
2999 | from one of the separate debug info files. */ | |
dda8d76d NC |
3000 | |
3001 | static bfd_boolean | |
3002 | load_debug_section_with_follow (enum dwarf_section_display_enum sec_enum, | |
24841daa | 3003 | void * handle) |
dda8d76d | 3004 | { |
24841daa | 3005 | if (load_debug_section (sec_enum, handle)) |
dda8d76d | 3006 | { |
24841daa NC |
3007 | if (debug_displays[sec_enum].section.filename == NULL) |
3008 | { | |
3009 | /* See if we can associate a filename with this section. */ | |
3010 | separate_info * i; | |
3011 | ||
3012 | for (i = first_separate_info; i != NULL; i = i->next) | |
3013 | if (i->handle == handle) | |
3014 | { | |
3015 | debug_displays[sec_enum].section.filename = i->filename; | |
3016 | break; | |
3017 | } | |
3018 | } | |
3019 | ||
dda8d76d NC |
3020 | return TRUE; |
3021 | } | |
3022 | ||
24841daa NC |
3023 | if (do_follow_links) |
3024 | { | |
3025 | separate_info * i; | |
3026 | ||
3027 | for (i = first_separate_info; i != NULL; i = i->next) | |
3028 | { | |
3029 | if (load_debug_section (sec_enum, i->handle)) | |
3030 | { | |
3031 | debug_displays[sec_enum].section.filename = i->filename; | |
3032 | ||
3033 | /* FIXME: We should check to see if any of the remaining debug info | |
3034 | files also contain this section, and, umm, do something about it. */ | |
3035 | return TRUE; | |
3036 | } | |
3037 | } | |
3038 | } | |
dda8d76d NC |
3039 | |
3040 | return FALSE; | |
3041 | } | |
3042 | ||
3043 | static void | |
3044 | introduce (struct dwarf_section * section, bfd_boolean raw) | |
3045 | { | |
3046 | if (raw) | |
3047 | { | |
3048 | if (do_follow_links && section->filename) | |
3049 | printf (_("Raw dump of debug contents of section %s (loaded from %s):\n\n"), | |
3050 | section->name, section->filename); | |
3051 | else | |
3052 | printf (_("Raw dump of debug contents of section %s:\n\n"), section->name); | |
3053 | } | |
3054 | else | |
3055 | { | |
3056 | if (do_follow_links && section->filename) | |
3057 | printf (_("Contents of the %s section (loaded from %s):\n\n"), | |
3058 | section->name, section->filename); | |
3059 | else | |
3060 | printf (_("Contents of the %s section:\n\n"), section->name); | |
3061 | } | |
3062 | } | |
3063 | ||
d85bf2ba NC |
3064 | /* Process the contents of a .debug_info section. |
3065 | If do_loc is TRUE then we are scanning for location lists and dwo tags | |
3066 | and we do not want to display anything to the user. | |
3067 | If do_types is TRUE, we are processing a .debug_types section instead of | |
3068 | a .debug_info section. | |
3069 | The information displayed is restricted by the values in DWARF_START_DIE | |
3070 | and DWARF_CUTOFF_LEVEL. | |
3071 | Returns TRUE upon success. Otherwise an error or warning message is | |
3072 | printed and FALSE is returned. */ | |
19e6b90e | 3073 | |
d85bf2ba NC |
3074 | static bfd_boolean |
3075 | process_debug_info (struct dwarf_section * section, | |
3076 | void * file, | |
3077 | enum dwarf_section_display_enum abbrev_sec, | |
3078 | bfd_boolean do_loc, | |
3079 | bfd_boolean do_types) | |
19e6b90e L |
3080 | { |
3081 | unsigned char *start = section->start; | |
3082 | unsigned char *end = start + section->size; | |
3083 | unsigned char *section_begin; | |
3084 | unsigned int unit; | |
3085 | unsigned int num_units = 0; | |
3086 | ||
3087 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
3088 | && num_debug_info_entries == 0 |
3089 | && ! do_types) | |
19e6b90e | 3090 | { |
767221a9 | 3091 | dwarf_vma length; |
19e6b90e L |
3092 | |
3093 | /* First scan the section to get the number of comp units. */ | |
3094 | for (section_begin = start, num_units = 0; section_begin < end; | |
3095 | num_units ++) | |
3096 | { | |
3097 | /* Read the first 4 bytes. For a 32-bit DWARF section, this | |
3098 | will be the length. For a 64-bit DWARF section, it'll be | |
3099 | the escape code 0xffffffff followed by an 8 byte length. */ | |
0c588247 | 3100 | SAFE_BYTE_GET (length, section_begin, 4, end); |
19e6b90e L |
3101 | |
3102 | if (length == 0xffffffff) | |
3103 | { | |
0c588247 | 3104 | SAFE_BYTE_GET (length, section_begin + 4, 8, end); |
19e6b90e L |
3105 | section_begin += length + 12; |
3106 | } | |
ec4d4525 NC |
3107 | else if (length >= 0xfffffff0 && length < 0xffffffff) |
3108 | { | |
767221a9 NC |
3109 | warn (_("Reserved length value (0x%s) found in section %s\n"), |
3110 | dwarf_vmatoa ("x", length), section->name); | |
d85bf2ba | 3111 | return FALSE; |
ec4d4525 | 3112 | } |
19e6b90e L |
3113 | else |
3114 | section_begin += length + 4; | |
aca88567 NC |
3115 | |
3116 | /* Negative values are illegal, they may even cause infinite | |
3117 | looping. This can happen if we can't accurately apply | |
f3853b34 NC |
3118 | relocations to an object file, or if the file is corrupt. */ |
3119 | if ((signed long) length <= 0 || section_begin < start) | |
aca88567 | 3120 | { |
767221a9 NC |
3121 | warn (_("Corrupt unit length (0x%s) found in section %s\n"), |
3122 | dwarf_vmatoa ("x", length), section->name); | |
d85bf2ba | 3123 | return FALSE; |
aca88567 | 3124 | } |
19e6b90e L |
3125 | } |
3126 | ||
3127 | if (num_units == 0) | |
3128 | { | |
f41e4712 | 3129 | error (_("No comp units in %s section ?\n"), section->name); |
d85bf2ba | 3130 | return FALSE; |
19e6b90e L |
3131 | } |
3132 | ||
3133 | /* Then allocate an array to hold the information. */ | |
3f5e193b | 3134 | debug_information = (debug_info *) cmalloc (num_units, |
1306a742 | 3135 | sizeof (* debug_information)); |
19e6b90e L |
3136 | if (debug_information == NULL) |
3137 | { | |
f41e4712 | 3138 | error (_("Not enough memory for a debug info array of %u entries\n"), |
19e6b90e | 3139 | num_units); |
82b1b41b | 3140 | alloc_num_debug_info_entries = num_debug_info_entries = 0; |
d85bf2ba | 3141 | return FALSE; |
19e6b90e | 3142 | } |
d85bf2ba | 3143 | |
03a91817 NC |
3144 | /* PR 17531: file: 92ca3797. |
3145 | We cannot rely upon the debug_information array being initialised | |
3146 | before it is used. A corrupt file could easily contain references | |
3147 | to a unit for which information has not been made available. So | |
3148 | we ensure that the array is zeroed here. */ | |
b4eb7656 AM |
3149 | memset (debug_information, 0, num_units * sizeof (*debug_information)); |
3150 | ||
82b1b41b | 3151 | alloc_num_debug_info_entries = num_units; |
19e6b90e L |
3152 | } |
3153 | ||
3154 | if (!do_loc) | |
3155 | { | |
dda8d76d NC |
3156 | load_debug_section_with_follow (str, file); |
3157 | load_debug_section_with_follow (line_str, file); | |
3158 | load_debug_section_with_follow (str_dwo, file); | |
3159 | load_debug_section_with_follow (str_index, file); | |
3160 | load_debug_section_with_follow (str_index_dwo, file); | |
3161 | load_debug_section_with_follow (debug_addr, file); | |
19e6b90e L |
3162 | } |
3163 | ||
dda8d76d | 3164 | load_debug_section_with_follow (abbrev_sec, file); |
6f875884 | 3165 | if (debug_displays [abbrev_sec].section.start == NULL) |
19e6b90e L |
3166 | { |
3167 | warn (_("Unable to locate %s section!\n"), | |
dda8d76d | 3168 | debug_displays [abbrev_sec].section.uncompressed_name); |
d85bf2ba | 3169 | return FALSE; |
19e6b90e L |
3170 | } |
3171 | ||
dda8d76d NC |
3172 | if (!do_loc && dwarf_start_die == 0) |
3173 | introduce (section, FALSE); | |
3174 | ||
19e6b90e L |
3175 | for (section_begin = start, unit = 0; start < end; unit++) |
3176 | { | |
3177 | DWARF2_Internal_CompUnit compunit; | |
3178 | unsigned char *hdrptr; | |
19e6b90e | 3179 | unsigned char *tags; |
fd2f0033 | 3180 | int level, last_level, saved_level; |
467c65bc | 3181 | dwarf_vma cu_offset; |
e98fdf1a | 3182 | unsigned long sec_off; |
bf5117e3 | 3183 | unsigned int offset_size; |
19485196 | 3184 | unsigned int initial_length_size; |
74bc6052 CC |
3185 | dwarf_vma signature_high = 0; |
3186 | dwarf_vma signature_low = 0; | |
767221a9 | 3187 | dwarf_vma type_offset = 0; |
341f9135 CC |
3188 | struct cu_tu_set *this_set; |
3189 | dwarf_vma abbrev_base; | |
3190 | size_t abbrev_size; | |
19e6b90e L |
3191 | |
3192 | hdrptr = start; | |
3193 | ||
0c588247 | 3194 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end); |
19e6b90e L |
3195 | |
3196 | if (compunit.cu_length == 0xffffffff) | |
3197 | { | |
0c588247 | 3198 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end); |
19e6b90e L |
3199 | offset_size = 8; |
3200 | initial_length_size = 12; | |
3201 | } | |
3202 | else | |
3203 | { | |
3204 | offset_size = 4; | |
3205 | initial_length_size = 4; | |
3206 | } | |
3207 | ||
0c588247 | 3208 | SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end); |
19e6b90e L |
3209 | |
3210 | cu_offset = start - section_begin; | |
19e6b90e | 3211 | |
341f9135 CC |
3212 | this_set = find_cu_tu_set_v2 (cu_offset, do_types); |
3213 | ||
77145576 JK |
3214 | if (compunit.cu_version < 5) |
3215 | { | |
3216 | compunit.cu_unit_type = DW_UT_compile; | |
3217 | /* Initialize it due to a false compiler warning. */ | |
3218 | compunit.cu_pointer_size = -1; | |
3219 | } | |
3220 | else | |
3221 | { | |
3222 | SAFE_BYTE_GET_AND_INC (compunit.cu_unit_type, hdrptr, 1, end); | |
3223 | do_types = (compunit.cu_unit_type == DW_UT_type); | |
3224 | ||
3225 | SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end); | |
3226 | } | |
3227 | ||
0c588247 | 3228 | SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end); |
19e6b90e | 3229 | |
341f9135 CC |
3230 | if (this_set == NULL) |
3231 | { | |
3232 | abbrev_base = 0; | |
3233 | abbrev_size = debug_displays [abbrev_sec].section.size; | |
3234 | } | |
3235 | else | |
3236 | { | |
3237 | abbrev_base = this_set->section_offsets [DW_SECT_ABBREV]; | |
3238 | abbrev_size = this_set->section_sizes [DW_SECT_ABBREV]; | |
3239 | } | |
3240 | ||
77145576 JK |
3241 | if (compunit.cu_version < 5) |
3242 | SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end); | |
3243 | ||
f41e4712 NC |
3244 | /* PR 17512: file: 001-108546-0.001:0.1. */ |
3245 | if (compunit.cu_pointer_size < 2 || compunit.cu_pointer_size > 8) | |
3246 | { | |
3247 | warn (_("Invalid pointer size (%d) in compunit header, using %d instead\n"), | |
3248 | compunit.cu_pointer_size, offset_size); | |
3249 | compunit.cu_pointer_size = offset_size; | |
3250 | } | |
2b6f5997 CC |
3251 | |
3252 | if (do_types) | |
b4eb7656 | 3253 | { |
0c588247 | 3254 | SAFE_BYTE_GET64 (hdrptr, &signature_high, &signature_low, end); |
f048b142 | 3255 | hdrptr += 8; |
0c588247 | 3256 | SAFE_BYTE_GET_AND_INC (type_offset, hdrptr, offset_size, end); |
b4eb7656 | 3257 | } |
2b6f5997 | 3258 | |
ae7e7825 NC |
3259 | if (dwarf_start_die > (cu_offset + compunit.cu_length |
3260 | + initial_length_size)) | |
3261 | { | |
3262 | start = section_begin + cu_offset + compunit.cu_length | |
3263 | + initial_length_size; | |
3264 | continue; | |
3265 | } | |
3266 | ||
19e6b90e | 3267 | if ((do_loc || do_debug_loc || do_debug_ranges) |
2b6f5997 CC |
3268 | && num_debug_info_entries == 0 |
3269 | && ! do_types) | |
19e6b90e L |
3270 | { |
3271 | debug_information [unit].cu_offset = cu_offset; | |
3272 | debug_information [unit].pointer_size | |
3273 | = compunit.cu_pointer_size; | |
b7807392 JJ |
3274 | debug_information [unit].offset_size = offset_size; |
3275 | debug_information [unit].dwarf_version = compunit.cu_version; | |
19e6b90e | 3276 | debug_information [unit].base_address = 0; |
4723351a CC |
3277 | debug_information [unit].addr_base = DEBUG_INFO_UNAVAILABLE; |
3278 | debug_information [unit].ranges_base = DEBUG_INFO_UNAVAILABLE; | |
19e6b90e L |
3279 | debug_information [unit].loc_offsets = NULL; |
3280 | debug_information [unit].have_frame_base = NULL; | |
3281 | debug_information [unit].max_loc_offsets = 0; | |
3282 | debug_information [unit].num_loc_offsets = 0; | |
3283 | debug_information [unit].range_lists = NULL; | |
3284 | debug_information [unit].max_range_lists= 0; | |
3285 | debug_information [unit].num_range_lists = 0; | |
3286 | } | |
3287 | ||
fd2f0033 | 3288 | if (!do_loc && dwarf_start_die == 0) |
19e6b90e | 3289 | { |
47704ddf KT |
3290 | printf (_(" Compilation Unit @ offset 0x%s:\n"), |
3291 | dwarf_vmatoa ("x", cu_offset)); | |
3292 | printf (_(" Length: 0x%s (%s)\n"), | |
3293 | dwarf_vmatoa ("x", compunit.cu_length), | |
49e7b350 | 3294 | offset_size == 8 ? "64-bit" : "32-bit"); |
19e6b90e | 3295 | printf (_(" Version: %d\n"), compunit.cu_version); |
7282333f AM |
3296 | printf (_(" Abbrev Offset: 0x%s\n"), |
3297 | dwarf_vmatoa ("x", compunit.cu_abbrev_offset)); | |
19e6b90e | 3298 | printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size); |
2b6f5997 CC |
3299 | if (do_types) |
3300 | { | |
74bc6052 CC |
3301 | char buf[64]; |
3302 | ||
3303 | printf (_(" Signature: 0x%s\n"), | |
3304 | dwarf_vmatoa64 (signature_high, signature_low, | |
3305 | buf, sizeof (buf))); | |
3306 | printf (_(" Type Offset: 0x%s\n"), | |
3307 | dwarf_vmatoa ("x", type_offset)); | |
2b6f5997 | 3308 | } |
341f9135 CC |
3309 | if (this_set != NULL) |
3310 | { | |
3311 | dwarf_vma *offsets = this_set->section_offsets; | |
3312 | size_t *sizes = this_set->section_sizes; | |
3313 | ||
3314 | printf (_(" Section contributions:\n")); | |
3315 | printf (_(" .debug_abbrev.dwo: 0x%s 0x%s\n"), | |
3316 | dwarf_vmatoa ("x", offsets [DW_SECT_ABBREV]), | |
3317 | dwarf_vmatoa ("x", sizes [DW_SECT_ABBREV])); | |
3318 | printf (_(" .debug_line.dwo: 0x%s 0x%s\n"), | |
3319 | dwarf_vmatoa ("x", offsets [DW_SECT_LINE]), | |
3320 | dwarf_vmatoa ("x", sizes [DW_SECT_LINE])); | |
3321 | printf (_(" .debug_loc.dwo: 0x%s 0x%s\n"), | |
3322 | dwarf_vmatoa ("x", offsets [DW_SECT_LOC]), | |
3323 | dwarf_vmatoa ("x", sizes [DW_SECT_LOC])); | |
3324 | printf (_(" .debug_str_offsets.dwo: 0x%s 0x%s\n"), | |
3325 | dwarf_vmatoa ("x", offsets [DW_SECT_STR_OFFSETS]), | |
3326 | dwarf_vmatoa ("x", sizes [DW_SECT_STR_OFFSETS])); | |
3327 | } | |
19e6b90e L |
3328 | } |
3329 | ||
e98fdf1a AM |
3330 | sec_off = cu_offset + initial_length_size; |
3331 | if (sec_off + compunit.cu_length < sec_off | |
3332 | || sec_off + compunit.cu_length > section->size) | |
460c89ff | 3333 | { |
e98fdf1a AM |
3334 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), |
3335 | section->name, | |
3336 | (unsigned long) cu_offset, | |
19485196 NC |
3337 | dwarf_vmatoa ("x", compunit.cu_length)); |
3338 | num_units = unit; | |
3339 | break; | |
3340 | } | |
3341 | ||
460c89ff NS |
3342 | tags = hdrptr; |
3343 | start += compunit.cu_length + initial_length_size; | |
3344 | ||
77145576 | 3345 | if (compunit.cu_version < 2 || compunit.cu_version > 5) |
19e6b90e | 3346 | { |
47704ddf KT |
3347 | warn (_("CU at offset %s contains corrupt or " |
3348 | "unsupported version number: %d.\n"), | |
3349 | dwarf_vmatoa ("x", cu_offset), compunit.cu_version); | |
19e6b90e L |
3350 | continue; |
3351 | } | |
3352 | ||
77145576 JK |
3353 | if (compunit.cu_unit_type != DW_UT_compile |
3354 | && compunit.cu_unit_type != DW_UT_type) | |
3355 | { | |
3356 | warn (_("CU at offset %s contains corrupt or " | |
3357 | "unsupported unit type: %d.\n"), | |
3358 | dwarf_vmatoa ("x", cu_offset), compunit.cu_unit_type); | |
3359 | continue; | |
3360 | } | |
3361 | ||
19e6b90e L |
3362 | free_abbrevs (); |
3363 | ||
d493b283 | 3364 | /* Process the abbrevs used by this compilation unit. */ |
341f9135 | 3365 | if (compunit.cu_abbrev_offset >= abbrev_size) |
ec4d4525 NC |
3366 | warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"), |
3367 | (unsigned long) compunit.cu_abbrev_offset, | |
341f9135 | 3368 | (unsigned long) abbrev_size); |
b4eb7656 | 3369 | /* PR 17531: file:4bcd9ce9. */ |
a0a3b04c L |
3370 | else if ((abbrev_base + abbrev_size) |
3371 | > debug_displays [abbrev_sec].section.size) | |
3372 | warn (_("Debug info is corrupted, abbrev size (%lx) is larger than abbrev section size (%lx)\n"), | |
3373 | (unsigned long) abbrev_base + abbrev_size, | |
3374 | (unsigned long) debug_displays [abbrev_sec].section.size); | |
460c89ff NS |
3375 | else |
3376 | process_abbrev_section | |
341f9135 CC |
3377 | (((unsigned char *) debug_displays [abbrev_sec].section.start |
3378 | + abbrev_base + compunit.cu_abbrev_offset), | |
3379 | ((unsigned char *) debug_displays [abbrev_sec].section.start | |
3380 | + abbrev_base + abbrev_size)); | |
19e6b90e L |
3381 | |
3382 | level = 0; | |
fd2f0033 TT |
3383 | last_level = level; |
3384 | saved_level = -1; | |
19e6b90e L |
3385 | while (tags < start) |
3386 | { | |
19e6b90e | 3387 | unsigned long abbrev_number; |
ec4d4525 | 3388 | unsigned long die_offset; |
19e6b90e L |
3389 | abbrev_entry *entry; |
3390 | abbrev_attr *attr; | |
fd2f0033 | 3391 | int do_printing = 1; |
19e6b90e | 3392 | |
ec4d4525 NC |
3393 | die_offset = tags - section_begin; |
3394 | ||
cd30bcef | 3395 | READ_ULEB (abbrev_number, tags, start); |
19e6b90e | 3396 | |
eb7cc021 JK |
3397 | /* A null DIE marks the end of a list of siblings or it may also be |
3398 | a section padding. */ | |
19e6b90e L |
3399 | if (abbrev_number == 0) |
3400 | { | |
eb7cc021 JK |
3401 | /* Check if it can be a section padding for the last CU. */ |
3402 | if (level == 0 && start == end) | |
3403 | { | |
3404 | unsigned char *chk; | |
3405 | ||
3406 | for (chk = tags; chk < start; chk++) | |
3407 | if (*chk != 0) | |
3408 | break; | |
3409 | if (chk == start) | |
3410 | break; | |
3411 | } | |
3412 | ||
4337774f TT |
3413 | if (!do_loc && die_offset >= dwarf_start_die |
3414 | && (dwarf_cutoff_level == -1 | |
3415 | || level < dwarf_cutoff_level)) | |
399c99f7 L |
3416 | printf (_(" <%d><%lx>: Abbrev Number: 0\n"), |
3417 | level, die_offset); | |
3418 | ||
19e6b90e | 3419 | --level; |
ec4d4525 NC |
3420 | if (level < 0) |
3421 | { | |
3422 | static unsigned num_bogus_warns = 0; | |
3423 | ||
3424 | if (num_bogus_warns < 3) | |
3425 | { | |
4723351a CC |
3426 | warn (_("Bogus end-of-siblings marker detected at offset %lx in %s section\n"), |
3427 | die_offset, section->name); | |
ec4d4525 NC |
3428 | num_bogus_warns ++; |
3429 | if (num_bogus_warns == 3) | |
3430 | warn (_("Further warnings about bogus end-of-sibling markers suppressed\n")); | |
3431 | } | |
3432 | } | |
fd2f0033 | 3433 | if (dwarf_start_die != 0 && level < saved_level) |
d85bf2ba | 3434 | return TRUE; |
19e6b90e L |
3435 | continue; |
3436 | } | |
3437 | ||
4b78141a | 3438 | if (!do_loc) |
fd2f0033 TT |
3439 | { |
3440 | if (dwarf_start_die != 0 && die_offset < dwarf_start_die) | |
3441 | do_printing = 0; | |
3442 | else | |
3443 | { | |
3444 | if (dwarf_start_die != 0 && die_offset == dwarf_start_die) | |
3445 | saved_level = level; | |
3446 | do_printing = (dwarf_cutoff_level == -1 | |
3447 | || level < dwarf_cutoff_level); | |
3448 | if (do_printing) | |
3449 | printf (_(" <%d><%lx>: Abbrev Number: %lu"), | |
3450 | level, die_offset, abbrev_number); | |
3451 | else if (dwarf_cutoff_level == -1 | |
3452 | || last_level < dwarf_cutoff_level) | |
3453 | printf (_(" <%d><%lx>: ...\n"), level, die_offset); | |
3454 | last_level = level; | |
3455 | } | |
3456 | } | |
cecf136e | 3457 | |
19e6b90e L |
3458 | /* Scan through the abbreviation list until we reach the |
3459 | correct entry. */ | |
3460 | for (entry = first_abbrev; | |
3461 | entry && entry->entry != abbrev_number; | |
3462 | entry = entry->next) | |
3463 | continue; | |
3464 | ||
3465 | if (entry == NULL) | |
3466 | { | |
fd2f0033 | 3467 | if (!do_loc && do_printing) |
4b78141a NC |
3468 | { |
3469 | printf ("\n"); | |
3470 | fflush (stdout); | |
3471 | } | |
f3853b34 | 3472 | warn (_("DIE at offset 0x%lx refers to abbreviation number %lu which does not exist\n"), |
cc86f28f | 3473 | die_offset, abbrev_number); |
d85bf2ba | 3474 | return FALSE; |
19e6b90e L |
3475 | } |
3476 | ||
fd2f0033 | 3477 | if (!do_loc && do_printing) |
cc5914eb | 3478 | printf (" (%s)\n", get_TAG_name (entry->tag)); |
cecf136e | 3479 | |
19e6b90e L |
3480 | switch (entry->tag) |
3481 | { | |
3482 | default: | |
3483 | need_base_address = 0; | |
3484 | break; | |
3485 | case DW_TAG_compile_unit: | |
d85bf2ba NC |
3486 | need_base_address = 1; |
3487 | need_dwo_info = do_loc; | |
19e6b90e L |
3488 | break; |
3489 | case DW_TAG_entry_point: | |
19e6b90e L |
3490 | case DW_TAG_subprogram: |
3491 | need_base_address = 0; | |
3492 | /* Assuming that there is no DW_AT_frame_base. */ | |
3493 | have_frame_base = 0; | |
3494 | break; | |
3495 | } | |
3496 | ||
9f272209 AO |
3497 | debug_info *debug_info_p = |
3498 | (debug_information && unit < alloc_num_debug_info_entries) | |
3499 | ? debug_information + unit : NULL; | |
3500 | ||
3501 | assert (!debug_info_p | |
3502 | || (debug_info_p->num_loc_offsets | |
3503 | == debug_info_p->num_loc_views)); | |
3504 | ||
399c99f7 L |
3505 | for (attr = entry->first_attr; |
3506 | attr && attr->attribute; | |
3507 | attr = attr->next) | |
4b78141a | 3508 | { |
fd2f0033 | 3509 | if (! do_loc && do_printing) |
4b78141a | 3510 | /* Show the offset from where the tag was extracted. */ |
fd2f0033 | 3511 | printf (" <%lx>", (unsigned long)(tags - section_begin)); |
4b78141a NC |
3512 | tags = read_and_display_attr (attr->attribute, |
3513 | attr->form, | |
77145576 | 3514 | attr->implicit_const, |
ec1b0fbb | 3515 | section_begin, |
341f9135 | 3516 | tags, |
f6f0e17b | 3517 | end, |
341f9135 | 3518 | cu_offset, |
4b78141a NC |
3519 | compunit.cu_pointer_size, |
3520 | offset_size, | |
3521 | compunit.cu_version, | |
9f272209 | 3522 | debug_info_p, |
341f9135 CC |
3523 | do_loc || ! do_printing, |
3524 | section, | |
ec1b0fbb NC |
3525 | this_set, |
3526 | level); | |
4b78141a | 3527 | } |
cecf136e | 3528 | |
9f272209 AO |
3529 | /* If a locview attribute appears before a location one, |
3530 | make sure we don't associate it with an earlier | |
3531 | loclist. */ | |
3532 | if (debug_info_p) | |
3533 | switch (debug_info_p->num_loc_offsets - debug_info_p->num_loc_views) | |
3534 | { | |
3535 | case 1: | |
3536 | debug_info_p->loc_views [debug_info_p->num_loc_views] = vm1; | |
3537 | debug_info_p->num_loc_views++; | |
3538 | assert (debug_info_p->num_loc_views | |
3539 | == debug_info_p->num_loc_offsets); | |
3540 | break; | |
3541 | ||
3542 | case 0: | |
3543 | break; | |
3544 | ||
3545 | case -1: | |
3546 | warn(_("DIE has locviews without loclist\n")); | |
3547 | debug_info_p->num_loc_views--; | |
3548 | break; | |
3549 | ||
3550 | default: | |
3551 | assert (0); | |
3552 | } | |
3553 | ||
b4eb7656 AM |
3554 | if (entry->children) |
3555 | ++level; | |
3556 | } | |
19e6b90e | 3557 | } |
cecf136e | 3558 | |
19e6b90e L |
3559 | /* Set num_debug_info_entries here so that it can be used to check if |
3560 | we need to process .debug_loc and .debug_ranges sections. */ | |
3561 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
3562 | && num_debug_info_entries == 0 |
3563 | && ! do_types) | |
82b1b41b | 3564 | { |
b4eb7656 | 3565 | if (num_units > alloc_num_debug_info_entries) |
82b1b41b NC |
3566 | num_debug_info_entries = alloc_num_debug_info_entries; |
3567 | else | |
3568 | num_debug_info_entries = num_units; | |
3569 | } | |
cecf136e | 3570 | |
19e6b90e | 3571 | if (!do_loc) |
467c65bc | 3572 | printf ("\n"); |
cecf136e | 3573 | |
d85bf2ba | 3574 | return TRUE; |
19e6b90e L |
3575 | } |
3576 | ||
3577 | /* Locate and scan the .debug_info section in the file and record the pointer | |
3578 | sizes and offsets for the compilation units in it. Usually an executable | |
3579 | will have just one pointer size, but this is not guaranteed, and so we try | |
3580 | not to make any assumptions. Returns zero upon failure, or the number of | |
3581 | compilation units upon success. */ | |
3582 | ||
3583 | static unsigned int | |
3584 | load_debug_info (void * file) | |
3585 | { | |
1febe64d | 3586 | /* If we have already tried and failed to load the .debug_info |
657d0d47 | 3587 | section then do not bother to repeat the task. */ |
cc86f28f | 3588 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) |
1febe64d NC |
3589 | return 0; |
3590 | ||
19e6b90e L |
3591 | /* If we already have the information there is nothing else to do. */ |
3592 | if (num_debug_info_entries > 0) | |
3593 | return num_debug_info_entries; | |
3594 | ||
341f9135 | 3595 | /* If this is a DWARF package file, load the CU and TU indexes. */ |
43a444f9 | 3596 | (void) load_cu_tu_indexes (file); |
341f9135 | 3597 | |
dda8d76d | 3598 | if (load_debug_section_with_follow (info, file) |
d85bf2ba | 3599 | && process_debug_info (&debug_displays [info].section, file, abbrev, TRUE, FALSE)) |
19e6b90e | 3600 | return num_debug_info_entries; |
82b1b41b | 3601 | |
dda8d76d | 3602 | if (load_debug_section_with_follow (info_dwo, file) |
82b1b41b | 3603 | && process_debug_info (&debug_displays [info_dwo].section, file, |
d85bf2ba | 3604 | abbrev_dwo, TRUE, FALSE)) |
4723351a | 3605 | return num_debug_info_entries; |
1febe64d | 3606 | |
cc86f28f | 3607 | num_debug_info_entries = DEBUG_INFO_UNAVAILABLE; |
1febe64d | 3608 | return 0; |
19e6b90e L |
3609 | } |
3610 | ||
b40bf0a2 NC |
3611 | /* Read a DWARF .debug_line section header starting at DATA. |
3612 | Upon success returns an updated DATA pointer and the LINFO | |
3613 | structure and the END_OF_SEQUENCE pointer will be filled in. | |
3614 | Otherwise returns NULL. */ | |
19e6b90e | 3615 | |
b40bf0a2 NC |
3616 | static unsigned char * |
3617 | read_debug_line_header (struct dwarf_section * section, | |
3618 | unsigned char * data, | |
3619 | unsigned char * end, | |
3620 | DWARF2_Internal_LineInfo * linfo, | |
3621 | unsigned char ** end_of_sequence) | |
3622 | { | |
3623 | unsigned char *hdrptr; | |
b40bf0a2 | 3624 | unsigned int initial_length_size; |
19e6b90e | 3625 | |
b40bf0a2 NC |
3626 | /* Extract information from the Line Number Program Header. |
3627 | (section 6.2.4 in the Dwarf3 doc). */ | |
6937bb54 | 3628 | hdrptr = data; |
19e6b90e | 3629 | |
b40bf0a2 NC |
3630 | /* Get and check the length of the block. */ |
3631 | SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 4, end); | |
19e6b90e | 3632 | |
b40bf0a2 | 3633 | if (linfo->li_length == 0xffffffff) |
f41e4712 NC |
3634 | { |
3635 | /* This section is 64-bit DWARF 3. */ | |
b40bf0a2 | 3636 | SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end); |
77145576 | 3637 | linfo->li_offset_size = 8; |
f41e4712 NC |
3638 | initial_length_size = 12; |
3639 | } | |
3640 | else | |
3641 | { | |
77145576 | 3642 | linfo->li_offset_size = 4; |
f41e4712 NC |
3643 | initial_length_size = 4; |
3644 | } | |
19e6b90e | 3645 | |
b40bf0a2 | 3646 | if (linfo->li_length + initial_length_size > section->size) |
f41e4712 | 3647 | { |
8fcc61b4 NC |
3648 | /* If the length field has a relocation against it, then we should |
3649 | not complain if it is inaccurate (and probably negative). This | |
3650 | happens in object files when the .debug_line section is actually | |
3651 | comprised of several different .debug_line.* sections, (some of | |
3652 | which may be removed by linker garbage collection), and a relocation | |
3653 | is used to compute the correct length once that is done. */ | |
77145576 | 3654 | if (reloc_at (section, (hdrptr - section->start) - linfo->li_offset_size)) |
b40bf0a2 | 3655 | { |
8fcc61b4 | 3656 | linfo->li_length = (end - data) - initial_length_size; |
b40bf0a2 NC |
3657 | } |
3658 | else | |
3659 | { | |
8fcc61b4 NC |
3660 | warn (_("The length field (0x%lx) in the debug_line header is wrong - the section is too small\n"), |
3661 | (long) linfo->li_length); | |
b40bf0a2 NC |
3662 | return NULL; |
3663 | } | |
f41e4712 | 3664 | } |
19e6b90e | 3665 | |
b40bf0a2 NC |
3666 | /* Get and check the version number. */ |
3667 | SAFE_BYTE_GET_AND_INC (linfo->li_version, hdrptr, 2, end); | |
3668 | ||
3669 | if (linfo->li_version != 2 | |
3670 | && linfo->li_version != 3 | |
77145576 JK |
3671 | && linfo->li_version != 4 |
3672 | && linfo->li_version != 5) | |
f41e4712 | 3673 | { |
77145576 JK |
3674 | warn (_("Only DWARF version 2, 3, 4 and 5 line info " |
3675 | "is currently supported.\n")); | |
b40bf0a2 | 3676 | return NULL; |
f41e4712 | 3677 | } |
19e6b90e | 3678 | |
77145576 JK |
3679 | if (linfo->li_version >= 5) |
3680 | { | |
5496f3c6 | 3681 | SAFE_BYTE_GET_AND_INC (linfo->li_address_size, hdrptr, 1, end); |
77145576 | 3682 | |
5496f3c6 NC |
3683 | SAFE_BYTE_GET_AND_INC (linfo->li_segment_size, hdrptr, 1, end); |
3684 | if (linfo->li_segment_size != 0) | |
77145576 JK |
3685 | { |
3686 | warn (_("The %s section contains " | |
3687 | "unsupported segment selector size: %d.\n"), | |
5496f3c6 NC |
3688 | section->name, linfo->li_segment_size); |
3689 | return NULL; | |
77145576 JK |
3690 | } |
3691 | } | |
3692 | ||
3693 | SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr, | |
3694 | linfo->li_offset_size, end); | |
b40bf0a2 | 3695 | SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end); |
0c588247 | 3696 | |
b40bf0a2 | 3697 | if (linfo->li_version >= 4) |
f41e4712 | 3698 | { |
b40bf0a2 | 3699 | SAFE_BYTE_GET_AND_INC (linfo->li_max_ops_per_insn, hdrptr, 1, end); |
0c588247 | 3700 | |
b40bf0a2 | 3701 | if (linfo->li_max_ops_per_insn == 0) |
f41e4712 NC |
3702 | { |
3703 | warn (_("Invalid maximum operations per insn.\n")); | |
b40bf0a2 | 3704 | return NULL; |
a233b20c | 3705 | } |
f41e4712 NC |
3706 | } |
3707 | else | |
b40bf0a2 | 3708 | linfo->li_max_ops_per_insn = 1; |
0c588247 | 3709 | |
b40bf0a2 | 3710 | SAFE_BYTE_GET_AND_INC (linfo->li_default_is_stmt, hdrptr, 1, end); |
65879393 | 3711 | SAFE_SIGNED_BYTE_GET_AND_INC (linfo->li_line_base, hdrptr, 1, end); |
b40bf0a2 NC |
3712 | SAFE_BYTE_GET_AND_INC (linfo->li_line_range, hdrptr, 1, end); |
3713 | SAFE_BYTE_GET_AND_INC (linfo->li_opcode_base, hdrptr, 1, end); | |
19e6b90e | 3714 | |
b40bf0a2 | 3715 | * end_of_sequence = data + linfo->li_length + initial_length_size; |
b4eb7656 | 3716 | /* PR 17512: file:002-117414-0.004. */ |
6937bb54 NC |
3717 | if (* end_of_sequence > end) |
3718 | { | |
4c219c2e AM |
3719 | warn (_("Line length %s extends beyond end of section\n"), |
3720 | dwarf_vmatoa ("u", linfo->li_length)); | |
6937bb54 NC |
3721 | * end_of_sequence = end; |
3722 | return NULL; | |
3723 | } | |
3724 | ||
b40bf0a2 NC |
3725 | return hdrptr; |
3726 | } | |
19e6b90e | 3727 | |
77145576 | 3728 | static unsigned char * |
dda8d76d NC |
3729 | display_formatted_table (unsigned char * data, |
3730 | unsigned char * start, | |
3731 | unsigned char * end, | |
3732 | const DWARF2_Internal_LineInfo * linfo, | |
3733 | struct dwarf_section * section, | |
7b8d9e8c | 3734 | bfd_boolean is_dir) |
77145576 JK |
3735 | { |
3736 | unsigned char *format_start, format_count, *format, formati; | |
3737 | dwarf_vma data_count, datai; | |
cd30bcef | 3738 | unsigned int namepass, last_entry = 0; |
5496f3c6 NC |
3739 | const char * table_name = is_dir ? N_("Directory Table") : N_("File Name Table"); |
3740 | ||
77145576 JK |
3741 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); |
3742 | format_start = data; | |
3743 | for (formati = 0; formati < format_count; formati++) | |
3744 | { | |
cd30bcef AM |
3745 | SKIP_ULEB (data, end); |
3746 | SKIP_ULEB (data, end); | |
77145576 JK |
3747 | if (data == end) |
3748 | { | |
5496f3c6 | 3749 | warn (_("%s: Corrupt format description entry\n"), table_name); |
77145576 JK |
3750 | return data; |
3751 | } | |
3752 | } | |
3753 | ||
cd30bcef | 3754 | READ_ULEB (data_count, data, end); |
77145576 JK |
3755 | if (data == end) |
3756 | { | |
5496f3c6 | 3757 | warn (_("%s: Corrupt entry count\n"), table_name); |
77145576 JK |
3758 | return data; |
3759 | } | |
3760 | ||
3761 | if (data_count == 0) | |
3762 | { | |
5496f3c6 | 3763 | printf (_("\n The %s is empty.\n"), table_name); |
77145576 JK |
3764 | return data; |
3765 | } | |
5496f3c6 NC |
3766 | else if (format_count == 0) |
3767 | { | |
3768 | warn (_("%s: format count is zero, but the table is not empty\n"), | |
3769 | table_name); | |
3770 | return end; | |
3771 | } | |
77145576 | 3772 | |
5496f3c6 NC |
3773 | printf (_("\n The %s (offset 0x%lx, lines %s, columns %u):\n"), |
3774 | table_name, (long) (data - start), dwarf_vmatoa ("u", data_count), | |
3775 | format_count); | |
77145576 JK |
3776 | |
3777 | printf (_(" Entry")); | |
3778 | /* Delay displaying name as the last entry for better screen layout. */ | |
3779 | for (namepass = 0; namepass < 2; namepass++) | |
3780 | { | |
3781 | format = format_start; | |
3782 | for (formati = 0; formati < format_count; formati++) | |
3783 | { | |
3784 | dwarf_vma content_type; | |
3785 | ||
cd30bcef | 3786 | READ_ULEB (content_type, format, end); |
77145576 JK |
3787 | if ((content_type == DW_LNCT_path) == (namepass == 1)) |
3788 | switch (content_type) | |
3789 | { | |
3790 | case DW_LNCT_path: | |
3791 | printf (_("\tName")); | |
3792 | break; | |
3793 | case DW_LNCT_directory_index: | |
3794 | printf (_("\tDir")); | |
3795 | break; | |
3796 | case DW_LNCT_timestamp: | |
3797 | printf (_("\tTime")); | |
3798 | break; | |
3799 | case DW_LNCT_size: | |
3800 | printf (_("\tSize")); | |
3801 | break; | |
3802 | case DW_LNCT_MD5: | |
5496f3c6 | 3803 | printf (_("\tMD5\t\t\t")); |
77145576 JK |
3804 | break; |
3805 | default: | |
3806 | printf (_("\t(Unknown format content type %s)"), | |
3807 | dwarf_vmatoa ("u", content_type)); | |
3808 | } | |
cd30bcef | 3809 | SKIP_ULEB (format, end); |
77145576 JK |
3810 | } |
3811 | } | |
3812 | putchar ('\n'); | |
3813 | ||
3814 | for (datai = 0; datai < data_count; datai++) | |
3815 | { | |
3816 | unsigned char *datapass = data; | |
3817 | ||
3818 | printf (" %d", last_entry++); | |
3819 | /* Delay displaying name as the last entry for better screen layout. */ | |
3820 | for (namepass = 0; namepass < 2; namepass++) | |
3821 | { | |
3822 | format = format_start; | |
3823 | data = datapass; | |
3824 | for (formati = 0; formati < format_count; formati++) | |
3825 | { | |
3826 | dwarf_vma content_type, form; | |
3827 | ||
cd30bcef AM |
3828 | READ_ULEB (content_type, format, end); |
3829 | READ_ULEB (form, format, end); | |
3830 | data = read_and_display_attr_value (0, form, 0, start, data, end, | |
3831 | 0, 0, linfo->li_offset_size, | |
77145576 JK |
3832 | linfo->li_version, NULL, |
3833 | ((content_type == DW_LNCT_path) != (namepass == 1)), | |
ec1b0fbb | 3834 | section, NULL, '\t', -1); |
77145576 JK |
3835 | } |
3836 | } | |
5496f3c6 NC |
3837 | |
3838 | if (data == end && (datai < data_count - 1)) | |
77145576 | 3839 | { |
5496f3c6 | 3840 | warn (_("\n%s: Corrupt entries list\n"), table_name); |
77145576 JK |
3841 | return data; |
3842 | } | |
3843 | putchar ('\n'); | |
3844 | } | |
3845 | return data; | |
3846 | } | |
3847 | ||
b40bf0a2 | 3848 | static int |
dda8d76d NC |
3849 | display_debug_lines_raw (struct dwarf_section * section, |
3850 | unsigned char * data, | |
3851 | unsigned char * end, | |
3852 | void * file) | |
b40bf0a2 NC |
3853 | { |
3854 | unsigned char *start = section->start; | |
ba8826a8 | 3855 | int verbose_view = 0; |
19e6b90e | 3856 | |
dda8d76d | 3857 | introduce (section, TRUE); |
19e6b90e | 3858 | |
b40bf0a2 NC |
3859 | while (data < end) |
3860 | { | |
3861 | static DWARF2_Internal_LineInfo saved_linfo; | |
3862 | DWARF2_Internal_LineInfo linfo; | |
3863 | unsigned char *standard_opcodes; | |
3864 | unsigned char *end_of_sequence; | |
fe59e83d | 3865 | int i; |
19e6b90e | 3866 | |
4925cdd7 NC |
3867 | if (const_strneq (section->name, ".debug_line.") |
3868 | /* Note: the following does not apply to .debug_line.dwo sections. | |
3869 | These are full debug_line sections. */ | |
3870 | && strcmp (section->name, ".debug_line.dwo") != 0) | |
19e6b90e | 3871 | { |
b40bf0a2 NC |
3872 | /* Sections named .debug_line.<foo> are fragments of a .debug_line |
3873 | section containing just the Line Number Statements. They are | |
3874 | created by the assembler and intended to be used alongside gcc's | |
3875 | -ffunction-sections command line option. When the linker's | |
3876 | garbage collection decides to discard a .text.<foo> section it | |
3877 | can then also discard the line number information in .debug_line.<foo>. | |
3878 | ||
4925cdd7 | 3879 | Since the section is a fragment it does not have the details |
b40bf0a2 | 3880 | needed to fill out a LineInfo structure, so instead we use the |
4925cdd7 | 3881 | details from the last full debug_line section that we processed. */ |
b40bf0a2 NC |
3882 | end_of_sequence = end; |
3883 | standard_opcodes = NULL; | |
3884 | linfo = saved_linfo; | |
058037d3 NC |
3885 | /* PR 17531: file: 0522b371. */ |
3886 | if (linfo.li_line_range == 0) | |
3887 | { | |
1306a742 | 3888 | warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n")); |
058037d3 NC |
3889 | return 0; |
3890 | } | |
b40bf0a2 | 3891 | reset_state_machine (linfo.li_default_is_stmt); |
19e6b90e | 3892 | } |
19e6b90e L |
3893 | else |
3894 | { | |
b40bf0a2 | 3895 | unsigned char * hdrptr; |
19e6b90e | 3896 | |
b40bf0a2 NC |
3897 | if ((hdrptr = read_debug_line_header (section, data, end, & linfo, |
3898 | & end_of_sequence)) == NULL) | |
3899 | return 0; | |
19e6b90e | 3900 | |
b40bf0a2 NC |
3901 | printf (_(" Offset: 0x%lx\n"), (long)(data - start)); |
3902 | printf (_(" Length: %ld\n"), (long) linfo.li_length); | |
3903 | printf (_(" DWARF Version: %d\n"), linfo.li_version); | |
5496f3c6 NC |
3904 | if (linfo.li_version >= 5) |
3905 | { | |
3906 | printf (_(" Address size (bytes): %d\n"), linfo.li_address_size); | |
3907 | printf (_(" Segment selector (bytes): %d\n"), linfo.li_segment_size); | |
3908 | } | |
77ef8654 | 3909 | printf (_(" Prologue Length: %d\n"), (int) linfo.li_prologue_length); |
b40bf0a2 NC |
3910 | printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length); |
3911 | if (linfo.li_version >= 4) | |
3912 | printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn); | |
3913 | printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt); | |
3914 | printf (_(" Line Base: %d\n"), linfo.li_line_base); | |
3915 | printf (_(" Line Range: %d\n"), linfo.li_line_range); | |
3916 | printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base); | |
19e6b90e | 3917 | |
0a9d414a NC |
3918 | /* PR 17512: file: 1665-6428-0.004. */ |
3919 | if (linfo.li_line_range == 0) | |
3920 | { | |
3921 | warn (_("Line range of 0 is invalid, using 1 instead\n")); | |
3922 | linfo.li_line_range = 1; | |
3923 | } | |
77ef8654 | 3924 | |
b40bf0a2 | 3925 | reset_state_machine (linfo.li_default_is_stmt); |
19e6b90e | 3926 | |
b40bf0a2 NC |
3927 | /* Display the contents of the Opcodes table. */ |
3928 | standard_opcodes = hdrptr; | |
19e6b90e | 3929 | |
6937bb54 NC |
3930 | /* PR 17512: file: 002-417945-0.004. */ |
3931 | if (standard_opcodes + linfo.li_opcode_base >= end) | |
3932 | { | |
3933 | warn (_("Line Base extends beyond end of section\n")); | |
3934 | return 0; | |
3935 | } | |
3936 | ||
b40bf0a2 | 3937 | printf (_("\n Opcodes:\n")); |
19e6b90e | 3938 | |
b40bf0a2 | 3939 | for (i = 1; i < linfo.li_opcode_base; i++) |
d3a49aa8 AM |
3940 | printf (ngettext (" Opcode %d has %d arg\n", |
3941 | " Opcode %d has %d args\n", | |
3942 | standard_opcodes[i - 1]), | |
3943 | i, standard_opcodes[i - 1]); | |
19e6b90e | 3944 | |
b40bf0a2 NC |
3945 | /* Display the contents of the Directory table. */ |
3946 | data = standard_opcodes + linfo.li_opcode_base - 1; | |
19e6b90e | 3947 | |
77145576 | 3948 | if (linfo.li_version >= 5) |
b40bf0a2 | 3949 | { |
dda8d76d | 3950 | load_debug_section_with_follow (line_str, file); |
19e6b90e | 3951 | |
77145576 | 3952 | data = display_formatted_table (data, start, end, &linfo, section, |
7b8d9e8c | 3953 | TRUE); |
77145576 | 3954 | data = display_formatted_table (data, start, end, &linfo, section, |
7b8d9e8c | 3955 | FALSE); |
77145576 JK |
3956 | } |
3957 | else | |
3958 | { | |
3959 | if (*data == 0) | |
3960 | printf (_("\n The Directory Table is empty.\n")); | |
3961 | else | |
a233b20c | 3962 | { |
77145576 | 3963 | unsigned int last_dir_entry = 0; |
6937bb54 | 3964 | |
77145576 JK |
3965 | printf (_("\n The Directory Table (offset 0x%lx):\n"), |
3966 | (long)(data - start)); | |
19e6b90e | 3967 | |
77145576 JK |
3968 | while (data < end && *data != 0) |
3969 | { | |
3970 | printf (" %d\t%.*s\n", ++last_dir_entry, (int) (end - data), data); | |
19e6b90e | 3971 | |
77145576 JK |
3972 | data += strnlen ((char *) data, end - data) + 1; |
3973 | } | |
19e6b90e | 3974 | |
77145576 JK |
3975 | /* PR 17512: file: 002-132094-0.004. */ |
3976 | if (data >= end - 1) | |
3977 | break; | |
3978 | } | |
19e6b90e | 3979 | |
77145576 JK |
3980 | /* Skip the NUL at the end of the table. */ |
3981 | data++; | |
19e6b90e | 3982 | |
77145576 JK |
3983 | /* Display the contents of the File Name table. */ |
3984 | if (*data == 0) | |
3985 | printf (_("\n The File Name Table is empty.\n")); | |
3986 | else | |
3987 | { | |
3988 | printf (_("\n The File Name Table (offset 0x%lx):\n"), | |
3989 | (long)(data - start)); | |
3990 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); | |
19e6b90e | 3991 | |
77145576 | 3992 | while (data < end && *data != 0) |
b40bf0a2 | 3993 | { |
77145576 | 3994 | unsigned char *name; |
cd30bcef | 3995 | dwarf_vma val; |
77145576 JK |
3996 | |
3997 | printf (" %d\t", ++state_machine_regs.last_file_entry); | |
3998 | name = data; | |
3999 | data += strnlen ((char *) data, end - data) + 1; | |
4000 | ||
cd30bcef AM |
4001 | READ_ULEB (val, data, end); |
4002 | printf ("%s\t", dwarf_vmatoa ("u", val)); | |
4003 | READ_ULEB (val, data, end); | |
4004 | printf ("%s\t", dwarf_vmatoa ("u", val)); | |
4005 | READ_ULEB (val, data, end); | |
4006 | printf ("%s\t", dwarf_vmatoa ("u", val)); | |
77145576 JK |
4007 | printf ("%.*s\n", (int)(end - name), name); |
4008 | ||
4009 | if (data == end) | |
4010 | { | |
4011 | warn (_("Corrupt file name table entry\n")); | |
4012 | break; | |
4013 | } | |
b40bf0a2 | 4014 | } |
a233b20c | 4015 | } |
77145576 JK |
4016 | |
4017 | /* Skip the NUL at the end of the table. */ | |
4018 | data++; | |
b40bf0a2 | 4019 | } |
19e6b90e | 4020 | |
b40bf0a2 NC |
4021 | putchar ('\n'); |
4022 | saved_linfo = linfo; | |
4023 | } | |
19e6b90e | 4024 | |
b40bf0a2 NC |
4025 | /* Now display the statements. */ |
4026 | if (data >= end_of_sequence) | |
4027 | printf (_(" No Line Number Statements.\n")); | |
4028 | else | |
4029 | { | |
4030 | printf (_(" Line Number Statements:\n")); | |
19e6b90e | 4031 | |
b40bf0a2 NC |
4032 | while (data < end_of_sequence) |
4033 | { | |
4034 | unsigned char op_code; | |
4035 | dwarf_signed_vma adv; | |
4036 | dwarf_vma uladv; | |
19e6b90e | 4037 | |
fe59e83d CC |
4038 | printf (" [0x%08lx]", (long)(data - start)); |
4039 | ||
b40bf0a2 | 4040 | op_code = *data++; |
19e6b90e | 4041 | |
b40bf0a2 | 4042 | if (op_code >= linfo.li_opcode_base) |
19e6b90e | 4043 | { |
b40bf0a2 NC |
4044 | op_code -= linfo.li_opcode_base; |
4045 | uladv = (op_code / linfo.li_line_range); | |
4046 | if (linfo.li_max_ops_per_insn == 1) | |
4047 | { | |
4048 | uladv *= linfo.li_min_insn_length; | |
4049 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
4050 | if (uladv) |
4051 | state_machine_regs.view = 0; | |
b40bf0a2 | 4052 | printf (_(" Special opcode %d: " |
ba8826a8 | 4053 | "advance Address by %s to 0x%s%s"), |
b40bf0a2 | 4054 | op_code, dwarf_vmatoa ("u", uladv), |
ba8826a8 AO |
4055 | dwarf_vmatoa ("x", state_machine_regs.address), |
4056 | verbose_view && uladv | |
4057 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
4058 | } |
4059 | else | |
4060 | { | |
ba8826a8 AO |
4061 | unsigned addrdelta |
4062 | = ((state_machine_regs.op_index + uladv) | |
b40bf0a2 NC |
4063 | / linfo.li_max_ops_per_insn) |
4064 | * linfo.li_min_insn_length; | |
ba8826a8 AO |
4065 | |
4066 | state_machine_regs.address += addrdelta; | |
b40bf0a2 NC |
4067 | state_machine_regs.op_index |
4068 | = (state_machine_regs.op_index + uladv) | |
4069 | % linfo.li_max_ops_per_insn; | |
ba8826a8 AO |
4070 | if (addrdelta) |
4071 | state_machine_regs.view = 0; | |
b40bf0a2 | 4072 | printf (_(" Special opcode %d: " |
ba8826a8 | 4073 | "advance Address by %s to 0x%s[%d]%s"), |
b40bf0a2 NC |
4074 | op_code, dwarf_vmatoa ("u", uladv), |
4075 | dwarf_vmatoa ("x", state_machine_regs.address), | |
ba8826a8 AO |
4076 | state_machine_regs.op_index, |
4077 | verbose_view && addrdelta | |
4078 | ? _(" (reset view)") : ""); | |
b40bf0a2 NC |
4079 | } |
4080 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; | |
4081 | state_machine_regs.line += adv; | |
ba8826a8 | 4082 | printf (_(" and Line by %s to %d"), |
b40bf0a2 | 4083 | dwarf_vmatoa ("d", adv), state_machine_regs.line); |
ba8826a8 AO |
4084 | if (verbose_view || state_machine_regs.view) |
4085 | printf (_(" (view %u)\n"), state_machine_regs.view); | |
4086 | else | |
4087 | putchar ('\n'); | |
4088 | state_machine_regs.view++; | |
19e6b90e | 4089 | } |
cd30bcef AM |
4090 | else |
4091 | switch (op_code) | |
4092 | { | |
4093 | case DW_LNS_extended_op: | |
4094 | data += process_extended_line_op (data, | |
4095 | linfo.li_default_is_stmt, | |
4096 | end); | |
4097 | break; | |
4098 | ||
4099 | case DW_LNS_copy: | |
4100 | printf (_(" Copy")); | |
4101 | if (verbose_view || state_machine_regs.view) | |
4102 | printf (_(" (view %u)\n"), state_machine_regs.view); | |
4103 | else | |
4104 | putchar ('\n'); | |
4105 | state_machine_regs.view++; | |
4106 | break; | |
4107 | ||
4108 | case DW_LNS_advance_pc: | |
4109 | READ_ULEB (uladv, data, end); | |
4110 | if (linfo.li_max_ops_per_insn == 1) | |
4111 | { | |
4112 | uladv *= linfo.li_min_insn_length; | |
4113 | state_machine_regs.address += uladv; | |
4114 | if (uladv) | |
4115 | state_machine_regs.view = 0; | |
4116 | printf (_(" Advance PC by %s to 0x%s%s\n"), | |
4117 | dwarf_vmatoa ("u", uladv), | |
4118 | dwarf_vmatoa ("x", state_machine_regs.address), | |
4119 | verbose_view && uladv | |
4120 | ? _(" (reset view)") : ""); | |
4121 | } | |
4122 | else | |
4123 | { | |
4124 | unsigned addrdelta | |
4125 | = ((state_machine_regs.op_index + uladv) | |
4126 | / linfo.li_max_ops_per_insn) | |
4127 | * linfo.li_min_insn_length; | |
4128 | state_machine_regs.address | |
4129 | += addrdelta; | |
4130 | state_machine_regs.op_index | |
4131 | = (state_machine_regs.op_index + uladv) | |
4132 | % linfo.li_max_ops_per_insn; | |
4133 | if (addrdelta) | |
4134 | state_machine_regs.view = 0; | |
4135 | printf (_(" Advance PC by %s to 0x%s[%d]%s\n"), | |
4136 | dwarf_vmatoa ("u", uladv), | |
4137 | dwarf_vmatoa ("x", state_machine_regs.address), | |
4138 | state_machine_regs.op_index, | |
4139 | verbose_view && addrdelta | |
4140 | ? _(" (reset view)") : ""); | |
4141 | } | |
4142 | break; | |
4143 | ||
4144 | case DW_LNS_advance_line: | |
4145 | READ_SLEB (adv, data, end); | |
4146 | state_machine_regs.line += adv; | |
4147 | printf (_(" Advance Line by %s to %d\n"), | |
4148 | dwarf_vmatoa ("d", adv), | |
4149 | state_machine_regs.line); | |
4150 | break; | |
4151 | ||
4152 | case DW_LNS_set_file: | |
4153 | READ_ULEB (uladv, data, end); | |
4154 | printf (_(" Set File Name to entry %s in the File Name Table\n"), | |
4155 | dwarf_vmatoa ("u", uladv)); | |
4156 | state_machine_regs.file = uladv; | |
4157 | break; | |
4158 | ||
4159 | case DW_LNS_set_column: | |
4160 | READ_ULEB (uladv, data, end); | |
4161 | printf (_(" Set column to %s\n"), | |
4162 | dwarf_vmatoa ("u", uladv)); | |
4163 | state_machine_regs.column = uladv; | |
4164 | break; | |
4165 | ||
4166 | case DW_LNS_negate_stmt: | |
4167 | adv = state_machine_regs.is_stmt; | |
4168 | adv = ! adv; | |
4169 | printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv)); | |
4170 | state_machine_regs.is_stmt = adv; | |
4171 | break; | |
4172 | ||
4173 | case DW_LNS_set_basic_block: | |
4174 | printf (_(" Set basic block\n")); | |
4175 | state_machine_regs.basic_block = 1; | |
4176 | break; | |
4177 | ||
4178 | case DW_LNS_const_add_pc: | |
4179 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); | |
4180 | if (linfo.li_max_ops_per_insn) | |
4181 | { | |
4182 | uladv *= linfo.li_min_insn_length; | |
4183 | state_machine_regs.address += uladv; | |
4184 | if (uladv) | |
4185 | state_machine_regs.view = 0; | |
4186 | printf (_(" Advance PC by constant %s to 0x%s%s\n"), | |
4187 | dwarf_vmatoa ("u", uladv), | |
4188 | dwarf_vmatoa ("x", state_machine_regs.address), | |
4189 | verbose_view && uladv | |
4190 | ? _(" (reset view)") : ""); | |
4191 | } | |
4192 | else | |
4193 | { | |
4194 | unsigned addrdelta | |
4195 | = ((state_machine_regs.op_index + uladv) | |
4196 | / linfo.li_max_ops_per_insn) | |
4197 | * linfo.li_min_insn_length; | |
4198 | state_machine_regs.address | |
4199 | += addrdelta; | |
4200 | state_machine_regs.op_index | |
4201 | = (state_machine_regs.op_index + uladv) | |
4202 | % linfo.li_max_ops_per_insn; | |
4203 | if (addrdelta) | |
4204 | state_machine_regs.view = 0; | |
4205 | printf (_(" Advance PC by constant %s to 0x%s[%d]%s\n"), | |
4206 | dwarf_vmatoa ("u", uladv), | |
4207 | dwarf_vmatoa ("x", state_machine_regs.address), | |
4208 | state_machine_regs.op_index, | |
4209 | verbose_view && addrdelta | |
4210 | ? _(" (reset view)") : ""); | |
4211 | } | |
4212 | break; | |
4213 | ||
4214 | case DW_LNS_fixed_advance_pc: | |
4215 | SAFE_BYTE_GET_AND_INC (uladv, data, 2, end); | |
4216 | state_machine_regs.address += uladv; | |
4217 | state_machine_regs.op_index = 0; | |
4218 | printf (_(" Advance PC by fixed size amount %s to 0x%s\n"), | |
4219 | dwarf_vmatoa ("u", uladv), | |
4220 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
4221 | /* Do NOT reset view. */ | |
4222 | break; | |
4223 | ||
4224 | case DW_LNS_set_prologue_end: | |
4225 | printf (_(" Set prologue_end to true\n")); | |
4226 | break; | |
4227 | ||
4228 | case DW_LNS_set_epilogue_begin: | |
4229 | printf (_(" Set epilogue_begin to true\n")); | |
4230 | break; | |
4231 | ||
4232 | case DW_LNS_set_isa: | |
4233 | READ_ULEB (uladv, data, end); | |
4234 | printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv)); | |
4235 | break; | |
4236 | ||
4237 | default: | |
4238 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
4239 | ||
4240 | if (standard_opcodes != NULL) | |
4241 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
4242 | { | |
4243 | READ_ULEB (uladv, data, end); | |
4244 | printf ("0x%s%s", dwarf_vmatoa ("x", uladv), | |
4245 | i == 1 ? "" : ", "); | |
4246 | } | |
4247 | putchar ('\n'); | |
4248 | break; | |
4249 | } | |
19e6b90e | 4250 | } |
b40bf0a2 | 4251 | putchar ('\n'); |
19e6b90e | 4252 | } |
19e6b90e L |
4253 | } |
4254 | ||
4255 | return 1; | |
4256 | } | |
4257 | ||
a262ae96 NC |
4258 | typedef struct |
4259 | { | |
467c65bc NC |
4260 | unsigned char *name; |
4261 | unsigned int directory_index; | |
4262 | unsigned int modification_date; | |
4263 | unsigned int length; | |
a262ae96 NC |
4264 | } File_Entry; |
4265 | ||
4266 | /* Output a decoded representation of the .debug_line section. */ | |
4267 | ||
4268 | static int | |
dda8d76d | 4269 | display_debug_lines_decoded (struct dwarf_section * section, |
ec1b0fbb | 4270 | unsigned char * start, |
dda8d76d NC |
4271 | unsigned char * data, |
4272 | unsigned char * end, | |
4273 | void * fileptr) | |
a262ae96 | 4274 | { |
b40bf0a2 NC |
4275 | static DWARF2_Internal_LineInfo saved_linfo; |
4276 | ||
dda8d76d | 4277 | introduce (section, FALSE); |
a262ae96 NC |
4278 | |
4279 | while (data < end) | |
4280 | { | |
4281 | /* This loop amounts to one iteration per compilation unit. */ | |
91d6fa6a | 4282 | DWARF2_Internal_LineInfo linfo; |
a262ae96 NC |
4283 | unsigned char *standard_opcodes; |
4284 | unsigned char *end_of_sequence; | |
a262ae96 NC |
4285 | int i; |
4286 | File_Entry *file_table = NULL; | |
143a3db0 | 4287 | unsigned int n_files = 0; |
a262ae96 | 4288 | unsigned char **directory_table = NULL; |
77145576 | 4289 | dwarf_vma n_directories = 0; |
a262ae96 | 4290 | |
4925cdd7 NC |
4291 | if (const_strneq (section->name, ".debug_line.") |
4292 | /* Note: the following does not apply to .debug_line.dwo sections. | |
4293 | These are full debug_line sections. */ | |
4294 | && strcmp (section->name, ".debug_line.dwo") != 0) | |
b4eb7656 | 4295 | { |
4925cdd7 | 4296 | /* See comment in display_debug_lines_raw(). */ |
b40bf0a2 NC |
4297 | end_of_sequence = end; |
4298 | standard_opcodes = NULL; | |
4299 | linfo = saved_linfo; | |
058037d3 NC |
4300 | /* PR 17531: file: 0522b371. */ |
4301 | if (linfo.li_line_range == 0) | |
4302 | { | |
1306a742 | 4303 | warn (_("Partial .debug_line. section encountered without a prior full .debug_line section\n")); |
058037d3 NC |
4304 | return 0; |
4305 | } | |
b40bf0a2 | 4306 | reset_state_machine (linfo.li_default_is_stmt); |
b4eb7656 | 4307 | } |
a262ae96 | 4308 | else |
b4eb7656 | 4309 | { |
b40bf0a2 | 4310 | unsigned char *hdrptr; |
a262ae96 | 4311 | |
b40bf0a2 NC |
4312 | if ((hdrptr = read_debug_line_header (section, data, end, & linfo, |
4313 | & end_of_sequence)) == NULL) | |
a233b20c | 4314 | return 0; |
0c588247 | 4315 | |
058037d3 NC |
4316 | /* PR 17531: file: 0522b371. */ |
4317 | if (linfo.li_line_range == 0) | |
4318 | { | |
4319 | warn (_("Line range of 0 is invalid, using 1 instead\n")); | |
4320 | linfo.li_line_range = 1; | |
4321 | } | |
b40bf0a2 | 4322 | reset_state_machine (linfo.li_default_is_stmt); |
a262ae96 | 4323 | |
b40bf0a2 NC |
4324 | /* Save a pointer to the contents of the Opcodes table. */ |
4325 | standard_opcodes = hdrptr; | |
a262ae96 | 4326 | |
b40bf0a2 NC |
4327 | /* Traverse the Directory table just to count entries. */ |
4328 | data = standard_opcodes + linfo.li_opcode_base - 1; | |
d8024a91 NC |
4329 | /* PR 20440 */ |
4330 | if (data >= end) | |
4331 | { | |
4332 | warn (_("opcode base of %d extends beyond end of section\n"), | |
4333 | linfo.li_opcode_base); | |
4334 | return 0; | |
4335 | } | |
4336 | ||
77145576 | 4337 | if (linfo.li_version >= 5) |
b40bf0a2 | 4338 | { |
77145576 JK |
4339 | unsigned char *format_start, format_count, *format; |
4340 | dwarf_vma formati, entryi; | |
a262ae96 | 4341 | |
dda8d76d | 4342 | load_debug_section_with_follow (line_str, fileptr); |
77145576 JK |
4343 | |
4344 | /* Skip directories format. */ | |
4345 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); | |
4346 | format_start = data; | |
4347 | for (formati = 0; formati < format_count; formati++) | |
b40bf0a2 | 4348 | { |
cd30bcef AM |
4349 | SKIP_ULEB (data, end); |
4350 | SKIP_ULEB (data, end); | |
b40bf0a2 | 4351 | } |
a262ae96 | 4352 | |
cd30bcef | 4353 | READ_ULEB (n_directories, data, end); |
77145576 | 4354 | if (data == end) |
d8024a91 | 4355 | { |
77145576 | 4356 | warn (_("Corrupt directories list\n")); |
d8024a91 NC |
4357 | break; |
4358 | } | |
4359 | ||
b40bf0a2 NC |
4360 | directory_table = (unsigned char **) |
4361 | xmalloc (n_directories * sizeof (unsigned char *)); | |
a262ae96 | 4362 | |
77145576 | 4363 | for (entryi = 0; entryi < n_directories; entryi++) |
b40bf0a2 | 4364 | { |
77145576 | 4365 | unsigned char **pathp = &directory_table[entryi]; |
a262ae96 | 4366 | |
77145576 JK |
4367 | format = format_start; |
4368 | for (formati = 0; formati < format_count; formati++) | |
4369 | { | |
4370 | dwarf_vma content_type, form; | |
4371 | dwarf_vma uvalue; | |
4372 | ||
cd30bcef AM |
4373 | READ_ULEB (content_type, format, end); |
4374 | READ_ULEB (form, format, end); | |
77145576 JK |
4375 | if (data == end) |
4376 | { | |
4377 | warn (_("Corrupt directories list\n")); | |
4378 | break; | |
4379 | } | |
4380 | switch (content_type) | |
4381 | { | |
4382 | case DW_LNCT_path: | |
4383 | switch (form) | |
4384 | { | |
4385 | case DW_FORM_string: | |
4386 | *pathp = data; | |
4387 | break; | |
4388 | case DW_FORM_line_strp: | |
4389 | SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size, | |
4390 | end); | |
4391 | /* Remove const by the cast. */ | |
4392 | *pathp = (unsigned char *) | |
4393 | fetch_indirect_line_string (uvalue); | |
4394 | break; | |
4395 | } | |
4396 | break; | |
4397 | } | |
cd30bcef AM |
4398 | data = read_and_display_attr_value (0, form, 0, start, |
4399 | data, end, 0, 0, | |
77145576 JK |
4400 | linfo.li_offset_size, |
4401 | linfo.li_version, | |
4402 | NULL, 1, section, | |
ec1b0fbb | 4403 | NULL, '\t', -1); |
77145576 JK |
4404 | } |
4405 | if (data == end) | |
4406 | { | |
4407 | warn (_("Corrupt directories list\n")); | |
4408 | break; | |
4409 | } | |
4410 | } | |
a262ae96 | 4411 | |
77145576 JK |
4412 | /* Skip files format. */ |
4413 | SAFE_BYTE_GET_AND_INC (format_count, data, 1, end); | |
4414 | format_start = data; | |
4415 | for (formati = 0; formati < format_count; formati++) | |
b40bf0a2 | 4416 | { |
cd30bcef AM |
4417 | SKIP_ULEB (data, end); |
4418 | SKIP_ULEB (data, end); | |
b40bf0a2 | 4419 | } |
a262ae96 | 4420 | |
cd30bcef | 4421 | READ_ULEB (n_files, data, end); |
77145576 | 4422 | if (data == end) |
d8024a91 | 4423 | { |
77145576 | 4424 | warn (_("Corrupt file name list\n")); |
d8024a91 NC |
4425 | break; |
4426 | } | |
4427 | ||
77145576 JK |
4428 | file_table = (File_Entry *) xcalloc (1, n_files |
4429 | * sizeof (File_Entry)); | |
a262ae96 | 4430 | |
77145576 | 4431 | for (entryi = 0; entryi < n_files; entryi++) |
b40bf0a2 | 4432 | { |
77145576 | 4433 | File_Entry *file = &file_table[entryi]; |
a262ae96 | 4434 | |
77145576 JK |
4435 | format = format_start; |
4436 | for (formati = 0; formati < format_count; formati++) | |
4437 | { | |
4438 | dwarf_vma content_type, form; | |
4439 | dwarf_vma uvalue; | |
cd30bcef | 4440 | unsigned char *tmp; |
77145576 | 4441 | |
cd30bcef AM |
4442 | READ_ULEB (content_type, format, end); |
4443 | READ_ULEB (form, format, end); | |
77145576 JK |
4444 | if (data == end) |
4445 | { | |
4446 | warn (_("Corrupt file name list\n")); | |
4447 | break; | |
4448 | } | |
4449 | switch (content_type) | |
4450 | { | |
4451 | case DW_LNCT_path: | |
4452 | switch (form) | |
4453 | { | |
4454 | case DW_FORM_string: | |
4455 | file->name = data; | |
4456 | break; | |
4457 | case DW_FORM_line_strp: | |
4458 | SAFE_BYTE_GET (uvalue, data, linfo.li_offset_size, | |
4459 | end); | |
4460 | /* Remove const by the cast. */ | |
4461 | file->name = (unsigned char *) | |
4462 | fetch_indirect_line_string (uvalue); | |
4463 | break; | |
4464 | } | |
4465 | break; | |
4466 | case DW_LNCT_directory_index: | |
4467 | switch (form) | |
4468 | { | |
4469 | case DW_FORM_data1: | |
4470 | SAFE_BYTE_GET (file->directory_index, data, 1, | |
4471 | end); | |
4472 | break; | |
4473 | case DW_FORM_data2: | |
4474 | SAFE_BYTE_GET (file->directory_index, data, 2, | |
4475 | end); | |
4476 | break; | |
4477 | case DW_FORM_udata: | |
cd30bcef AM |
4478 | tmp = data; |
4479 | READ_ULEB (file->directory_index, tmp, end); | |
77145576 JK |
4480 | break; |
4481 | } | |
4482 | break; | |
4483 | } | |
cd30bcef AM |
4484 | data = read_and_display_attr_value (0, form, 0, start, |
4485 | data, end, 0, 0, | |
77145576 JK |
4486 | linfo.li_offset_size, |
4487 | linfo.li_version, | |
4488 | NULL, 1, section, | |
ec1b0fbb | 4489 | NULL, '\t', -1); |
77145576 JK |
4490 | } |
4491 | if (data == end) | |
4492 | { | |
4493 | warn (_("Corrupt file name list\n")); | |
4494 | break; | |
4495 | } | |
4496 | } | |
4497 | } | |
4498 | else | |
4499 | { | |
4500 | if (*data != 0) | |
b40bf0a2 | 4501 | { |
77145576 JK |
4502 | unsigned char *ptr_directory_table = data; |
4503 | ||
4504 | while (data < end && *data != 0) | |
4505 | { | |
4506 | data += strnlen ((char *) data, end - data) + 1; | |
4507 | n_directories++; | |
4508 | } | |
4509 | ||
4510 | /* PR 20440 */ | |
4511 | if (data >= end) | |
4512 | { | |
4513 | warn (_("directory table ends unexpectedly\n")); | |
4514 | n_directories = 0; | |
4515 | break; | |
4516 | } | |
4517 | ||
4518 | /* Go through the directory table again to save the directories. */ | |
4519 | directory_table = (unsigned char **) | |
4520 | xmalloc (n_directories * sizeof (unsigned char *)); | |
4521 | ||
4522 | i = 0; | |
4523 | while (*ptr_directory_table != 0) | |
4524 | { | |
4525 | directory_table[i] = ptr_directory_table; | |
4526 | ptr_directory_table += strnlen ((char *) ptr_directory_table, | |
4527 | ptr_directory_table - end) + 1; | |
4528 | i++; | |
4529 | } | |
b40bf0a2 | 4530 | } |
77145576 JK |
4531 | /* Skip the NUL at the end of the table. */ |
4532 | data++; | |
4533 | ||
4534 | /* Traverse the File Name table just to count the entries. */ | |
4535 | if (data < end && *data != 0) | |
b40bf0a2 | 4536 | { |
77145576 JK |
4537 | unsigned char *ptr_file_name_table = data; |
4538 | ||
4539 | while (data < end && *data != 0) | |
db9537d2 | 4540 | { |
cd30bcef AM |
4541 | /* Skip Name, directory index, last modification |
4542 | time and length of file. */ | |
77145576 | 4543 | data += strnlen ((char *) data, end - data) + 1; |
cd30bcef AM |
4544 | SKIP_ULEB (data, end); |
4545 | SKIP_ULEB (data, end); | |
4546 | SKIP_ULEB (data, end); | |
77145576 | 4547 | n_files++; |
db9537d2 | 4548 | } |
a262ae96 | 4549 | |
77145576 JK |
4550 | if (data >= end) |
4551 | { | |
4552 | warn (_("file table ends unexpectedly\n")); | |
4553 | n_files = 0; | |
4554 | break; | |
4555 | } | |
4556 | ||
4557 | /* Go through the file table again to save the strings. */ | |
4558 | file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry)); | |
0c588247 | 4559 | |
77145576 JK |
4560 | i = 0; |
4561 | while (*ptr_file_name_table != 0) | |
4562 | { | |
77145576 JK |
4563 | file_table[i].name = ptr_file_name_table; |
4564 | ptr_file_name_table += strnlen ((char *) ptr_file_name_table, | |
4565 | end - ptr_file_name_table) + 1; | |
4566 | ||
4567 | /* We are not interested in directory, time or size. */ | |
cd30bcef AM |
4568 | READ_ULEB (file_table[i].directory_index, |
4569 | ptr_file_name_table, end); | |
4570 | READ_ULEB (file_table[i].modification_date, | |
4571 | ptr_file_name_table, end); | |
4572 | READ_ULEB (file_table[i].length, | |
4573 | ptr_file_name_table, end); | |
77145576 JK |
4574 | i++; |
4575 | } | |
4576 | i = 0; | |
b40bf0a2 | 4577 | } |
77145576 JK |
4578 | |
4579 | /* Skip the NUL at the end of the table. */ | |
4580 | data++; | |
b40bf0a2 | 4581 | } |
cc5914eb | 4582 | |
77145576 | 4583 | /* Print the Compilation Unit's name and a header. */ |
f082820d AM |
4584 | if (file_table == NULL) |
4585 | ; | |
4586 | else if (directory_table == NULL) | |
4587 | printf (_("CU: %s:\n"), file_table[0].name); | |
77145576 JK |
4588 | else |
4589 | { | |
4590 | unsigned int ix = file_table[0].directory_index; | |
4591 | const char *directory; | |
4592 | ||
4593 | if (ix == 0) | |
4594 | directory = "."; | |
4595 | /* PR 20439 */ | |
4596 | else if (n_directories == 0) | |
4597 | directory = _("<unknown>"); | |
4598 | else if (ix > n_directories) | |
4599 | { | |
4600 | warn (_("directory index %u > number of directories %s\n"), | |
4601 | ix, dwarf_vmatoa ("u", n_directories)); | |
4602 | directory = _("<corrupt>"); | |
4603 | } | |
4604 | else | |
4605 | directory = (char *) directory_table[ix - 1]; | |
4606 | ||
4607 | if (do_wide || strlen (directory) < 76) | |
4608 | printf (_("CU: %s/%s:\n"), directory, file_table[0].name); | |
4609 | else | |
4610 | printf ("%s:\n", file_table[0].name); | |
77145576 | 4611 | } |
a262ae96 | 4612 | |
17f6ade2 | 4613 | printf (_("File name Line number Starting address View Stmt\n")); |
b40bf0a2 NC |
4614 | saved_linfo = linfo; |
4615 | } | |
a262ae96 NC |
4616 | |
4617 | /* This loop iterates through the Dwarf Line Number Program. */ | |
4618 | while (data < end_of_sequence) | |
b4eb7656 | 4619 | { |
a262ae96 | 4620 | unsigned char op_code; |
ba8826a8 | 4621 | int xop; |
b4eb7656 AM |
4622 | int adv; |
4623 | unsigned long int uladv; | |
b4eb7656 | 4624 | int is_special_opcode = 0; |
a262ae96 | 4625 | |
b4eb7656 | 4626 | op_code = *data++; |
ba8826a8 | 4627 | xop = op_code; |
a262ae96 | 4628 | |
b4eb7656 | 4629 | if (op_code >= linfo.li_opcode_base) |
a262ae96 | 4630 | { |
91d6fa6a | 4631 | op_code -= linfo.li_opcode_base; |
a233b20c JJ |
4632 | uladv = (op_code / linfo.li_line_range); |
4633 | if (linfo.li_max_ops_per_insn == 1) | |
4634 | { | |
4635 | uladv *= linfo.li_min_insn_length; | |
4636 | state_machine_regs.address += uladv; | |
ba8826a8 AO |
4637 | if (uladv) |
4638 | state_machine_regs.view = 0; | |
a233b20c JJ |
4639 | } |
4640 | else | |
4641 | { | |
ba8826a8 AO |
4642 | unsigned addrdelta |
4643 | = ((state_machine_regs.op_index + uladv) | |
4644 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 4645 | * linfo.li_min_insn_length; |
ba8826a8 AO |
4646 | state_machine_regs.address |
4647 | += addrdelta; | |
a233b20c JJ |
4648 | state_machine_regs.op_index |
4649 | = (state_machine_regs.op_index + uladv) | |
b40bf0a2 | 4650 | % linfo.li_max_ops_per_insn; |
ba8826a8 AO |
4651 | if (addrdelta) |
4652 | state_machine_regs.view = 0; | |
a233b20c | 4653 | } |
a262ae96 | 4654 | |
b4eb7656 AM |
4655 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; |
4656 | state_machine_regs.line += adv; | |
4657 | is_special_opcode = 1; | |
ba8826a8 | 4658 | /* Increment view after printing this row. */ |
b4eb7656 | 4659 | } |
cd30bcef AM |
4660 | else |
4661 | switch (op_code) | |
4662 | { | |
4663 | case DW_LNS_extended_op: | |
4664 | { | |
4665 | unsigned int ext_op_code_len; | |
4666 | unsigned char ext_op_code; | |
4667 | unsigned char *op_code_end; | |
4668 | unsigned char *op_code_data = data; | |
4669 | ||
4670 | READ_ULEB (ext_op_code_len, op_code_data, end_of_sequence); | |
4671 | op_code_end = op_code_data + ext_op_code_len; | |
4672 | if (ext_op_code_len == 0 || op_code_end > end_of_sequence) | |
4673 | { | |
4674 | warn (_("Badly formed extended line op encountered!\n")); | |
4675 | break; | |
4676 | } | |
4677 | ext_op_code = *op_code_data++; | |
4678 | xop = ext_op_code; | |
4679 | xop = -xop; | |
4680 | ||
4681 | switch (ext_op_code) | |
4682 | { | |
4683 | case DW_LNE_end_sequence: | |
4684 | /* Reset stuff after printing this row. */ | |
4685 | break; | |
4686 | case DW_LNE_set_address: | |
4687 | SAFE_BYTE_GET_AND_INC (state_machine_regs.address, | |
4688 | op_code_data, | |
4689 | op_code_end - op_code_data, | |
4690 | op_code_end); | |
4691 | state_machine_regs.op_index = 0; | |
4692 | state_machine_regs.view = 0; | |
4693 | break; | |
4694 | case DW_LNE_define_file: | |
4695 | file_table = (File_Entry *) xrealloc | |
4696 | (file_table, (n_files + 1) * sizeof (File_Entry)); | |
4697 | ||
4698 | ++state_machine_regs.last_file_entry; | |
4699 | /* Source file name. */ | |
4700 | file_table[n_files].name = op_code_data; | |
4701 | op_code_data += strlen ((char *) op_code_data) + 1; | |
4702 | /* Directory index. */ | |
4703 | READ_ULEB (file_table[n_files].directory_index, | |
4704 | op_code_data, op_code_end); | |
4705 | /* Last modification time. */ | |
4706 | READ_ULEB (file_table[n_files].modification_date, | |
4707 | op_code_data, op_code_end); | |
4708 | /* File length. */ | |
4709 | READ_ULEB (file_table[n_files].length, | |
4710 | op_code_data, op_code_end); | |
4711 | n_files++; | |
4712 | break; | |
4713 | ||
4714 | case DW_LNE_set_discriminator: | |
4715 | case DW_LNE_HP_set_sequence: | |
4716 | /* Simply ignored. */ | |
4717 | break; | |
4718 | ||
4719 | default: | |
4720 | printf (_("UNKNOWN (%u): length %ld\n"), | |
27653fba | 4721 | ext_op_code, (long int) (op_code_data - data)); |
cd30bcef AM |
4722 | break; |
4723 | } | |
4724 | data = op_code_end; | |
4725 | break; | |
4726 | } | |
4727 | case DW_LNS_copy: | |
4728 | /* Increment view after printing this row. */ | |
4729 | break; | |
4730 | ||
4731 | case DW_LNS_advance_pc: | |
4732 | READ_ULEB (uladv, data, end); | |
4733 | if (linfo.li_max_ops_per_insn == 1) | |
4734 | { | |
4735 | uladv *= linfo.li_min_insn_length; | |
4736 | state_machine_regs.address += uladv; | |
4737 | if (uladv) | |
4738 | state_machine_regs.view = 0; | |
4739 | } | |
4740 | else | |
4741 | { | |
4742 | unsigned addrdelta | |
4743 | = ((state_machine_regs.op_index + uladv) | |
4744 | / linfo.li_max_ops_per_insn) | |
4745 | * linfo.li_min_insn_length; | |
4746 | state_machine_regs.address | |
4747 | += addrdelta; | |
4748 | state_machine_regs.op_index | |
4749 | = (state_machine_regs.op_index + uladv) | |
4750 | % linfo.li_max_ops_per_insn; | |
4751 | if (addrdelta) | |
4752 | state_machine_regs.view = 0; | |
4753 | } | |
4754 | break; | |
4755 | ||
4756 | case DW_LNS_advance_line: | |
4757 | READ_SLEB (adv, data, end); | |
4758 | state_machine_regs.line += adv; | |
4759 | break; | |
4760 | ||
4761 | case DW_LNS_set_file: | |
4762 | READ_ULEB (uladv, data, end); | |
4763 | state_machine_regs.file = uladv; | |
4764 | ||
4765 | { | |
4766 | unsigned file = state_machine_regs.file - 1; | |
4767 | unsigned dir; | |
4768 | ||
4769 | if (file_table == NULL || n_files == 0) | |
4770 | printf (_("\n [Use file table entry %d]\n"), file); | |
4771 | /* PR 20439 */ | |
4772 | else if (file >= n_files) | |
4773 | { | |
4774 | warn (_("file index %u > number of files %u\n"), file + 1, n_files); | |
4775 | printf (_("\n <over large file table index %u>"), file); | |
4776 | } | |
4777 | else if ((dir = file_table[file].directory_index) == 0) | |
4778 | /* If directory index is 0, that means current directory. */ | |
4779 | printf ("\n./%s:[++]\n", file_table[file].name); | |
4780 | else if (directory_table == NULL || n_directories == 0) | |
4781 | printf (_("\n [Use file %s in directory table entry %d]\n"), | |
4782 | file_table[file].name, dir); | |
4783 | /* PR 20439 */ | |
4784 | else if (dir > n_directories) | |
4785 | { | |
4786 | warn (_("directory index %u > number of directories %s\n"), | |
4787 | dir, dwarf_vmatoa ("u", n_directories)); | |
4788 | printf (_("\n <over large directory table entry %u>\n"), dir); | |
4789 | } | |
4790 | else | |
4791 | printf ("\n%s/%s:\n", | |
4792 | /* The directory index starts counting at 1. */ | |
4793 | directory_table[dir - 1], file_table[file].name); | |
4794 | } | |
4795 | break; | |
4796 | ||
4797 | case DW_LNS_set_column: | |
4798 | READ_ULEB (uladv, data, end); | |
4799 | state_machine_regs.column = uladv; | |
4800 | break; | |
4801 | ||
4802 | case DW_LNS_negate_stmt: | |
4803 | adv = state_machine_regs.is_stmt; | |
4804 | adv = ! adv; | |
4805 | state_machine_regs.is_stmt = adv; | |
4806 | break; | |
4807 | ||
4808 | case DW_LNS_set_basic_block: | |
4809 | state_machine_regs.basic_block = 1; | |
4810 | break; | |
4811 | ||
4812 | case DW_LNS_const_add_pc: | |
4813 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); | |
4814 | if (linfo.li_max_ops_per_insn == 1) | |
4815 | { | |
4816 | uladv *= linfo.li_min_insn_length; | |
4817 | state_machine_regs.address += uladv; | |
4818 | if (uladv) | |
4819 | state_machine_regs.view = 0; | |
4820 | } | |
4821 | else | |
4822 | { | |
4823 | unsigned addrdelta | |
4824 | = ((state_machine_regs.op_index + uladv) | |
4825 | / linfo.li_max_ops_per_insn) | |
4826 | * linfo.li_min_insn_length; | |
4827 | state_machine_regs.address | |
4828 | += addrdelta; | |
4829 | state_machine_regs.op_index | |
4830 | = (state_machine_regs.op_index + uladv) | |
4831 | % linfo.li_max_ops_per_insn; | |
4832 | if (addrdelta) | |
4833 | state_machine_regs.view = 0; | |
4834 | } | |
4835 | break; | |
4836 | ||
4837 | case DW_LNS_fixed_advance_pc: | |
4838 | SAFE_BYTE_GET_AND_INC (uladv, data, 2, end); | |
4839 | state_machine_regs.address += uladv; | |
4840 | state_machine_regs.op_index = 0; | |
4841 | /* Do NOT reset view. */ | |
4842 | break; | |
4843 | ||
4844 | case DW_LNS_set_prologue_end: | |
4845 | break; | |
4846 | ||
4847 | case DW_LNS_set_epilogue_begin: | |
4848 | break; | |
4849 | ||
4850 | case DW_LNS_set_isa: | |
4851 | READ_ULEB (uladv, data, end); | |
4852 | printf (_(" Set ISA to %lu\n"), uladv); | |
4853 | break; | |
4854 | ||
4855 | default: | |
4856 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
4857 | ||
4858 | if (standard_opcodes != NULL) | |
4859 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
4860 | { | |
4861 | dwarf_vma val; | |
4862 | ||
4863 | READ_ULEB (val, data, end); | |
4864 | printf ("0x%s%s", dwarf_vmatoa ("x", val), | |
4865 | i == 1 ? "" : ", "); | |
4866 | } | |
4867 | putchar ('\n'); | |
4868 | break; | |
4869 | } | |
a262ae96 | 4870 | |
b4eb7656 AM |
4871 | /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row |
4872 | to the DWARF address/line matrix. */ | |
ba8826a8 AO |
4873 | if ((is_special_opcode) || (xop == -DW_LNE_end_sequence) |
4874 | || (xop == DW_LNS_copy)) | |
b4eb7656 AM |
4875 | { |
4876 | const unsigned int MAX_FILENAME_LENGTH = 35; | |
4877 | char *fileName; | |
4878 | char *newFileName = NULL; | |
4879 | size_t fileNameLength; | |
b40bf0a2 NC |
4880 | |
4881 | if (file_table) | |
db9537d2 NC |
4882 | { |
4883 | unsigned indx = state_machine_regs.file - 1; | |
4884 | /* PR 20439 */ | |
4885 | if (indx >= n_files) | |
4886 | { | |
4887 | warn (_("corrupt file index %u encountered\n"), indx); | |
4888 | fileName = _("<corrupt>"); | |
4889 | } | |
4890 | else | |
4891 | fileName = (char *) file_table[indx].name; | |
4892 | } | |
b40bf0a2 | 4893 | else |
db9537d2 | 4894 | fileName = _("<unknown>"); |
b40bf0a2 NC |
4895 | |
4896 | fileNameLength = strlen (fileName); | |
a262ae96 | 4897 | |
b4eb7656 AM |
4898 | if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide)) |
4899 | { | |
4900 | newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1); | |
4901 | /* Truncate file name */ | |
4902 | strncpy (newFileName, | |
4903 | fileName + fileNameLength - MAX_FILENAME_LENGTH, | |
4904 | MAX_FILENAME_LENGTH + 1); | |
e1104d08 NC |
4905 | /* FIXME: This is to pacify gcc-10 which can warn that the |
4906 | strncpy above might leave a non-NUL terminated string | |
4907 | in newFileName. It won't, but gcc's analysis doesn't | |
4908 | quite go far enough to discover this. */ | |
4909 | newFileName[MAX_FILENAME_LENGTH] = 0; | |
b4eb7656 AM |
4910 | } |
4911 | else | |
4912 | { | |
4913 | newFileName = (char *) xmalloc (fileNameLength + 1); | |
4914 | strncpy (newFileName, fileName, fileNameLength + 1); | |
4915 | } | |
4916 | ||
4917 | if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH)) | |
4918 | { | |
a233b20c | 4919 | if (linfo.li_max_ops_per_insn == 1) |
ba8826a8 | 4920 | printf ("%-35s %11d %#18" DWARF_VMA_FMT "x", |
467c65bc | 4921 | newFileName, state_machine_regs.line, |
a233b20c JJ |
4922 | state_machine_regs.address); |
4923 | else | |
ba8826a8 | 4924 | printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]", |
467c65bc | 4925 | newFileName, state_machine_regs.line, |
a233b20c JJ |
4926 | state_machine_regs.address, |
4927 | state_machine_regs.op_index); | |
b4eb7656 AM |
4928 | } |
4929 | else | |
4930 | { | |
a233b20c | 4931 | if (linfo.li_max_ops_per_insn == 1) |
ba8826a8 | 4932 | printf ("%s %11d %#18" DWARF_VMA_FMT "x", |
467c65bc | 4933 | newFileName, state_machine_regs.line, |
a233b20c JJ |
4934 | state_machine_regs.address); |
4935 | else | |
ba8826a8 | 4936 | printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]", |
467c65bc | 4937 | newFileName, state_machine_regs.line, |
a233b20c JJ |
4938 | state_machine_regs.address, |
4939 | state_machine_regs.op_index); | |
b4eb7656 | 4940 | } |
a262ae96 | 4941 | |
ba8826a8 | 4942 | if (state_machine_regs.view) |
17f6ade2 | 4943 | printf (" %6u", state_machine_regs.view); |
ba8826a8 | 4944 | else |
17f6ade2 JD |
4945 | printf (" "); |
4946 | ||
4947 | if (state_machine_regs.is_stmt) | |
4948 | printf (" x"); | |
4949 | ||
4950 | putchar ('\n'); | |
ba8826a8 AO |
4951 | state_machine_regs.view++; |
4952 | ||
4953 | if (xop == -DW_LNE_end_sequence) | |
4954 | { | |
4955 | reset_state_machine (linfo.li_default_is_stmt); | |
4956 | putchar ('\n'); | |
4957 | } | |
a262ae96 | 4958 | |
b4eb7656 AM |
4959 | free (newFileName); |
4960 | } | |
4961 | } | |
b40bf0a2 NC |
4962 | |
4963 | if (file_table) | |
4964 | { | |
4965 | free (file_table); | |
4966 | file_table = NULL; | |
4967 | n_files = 0; | |
4968 | } | |
4969 | ||
4970 | if (directory_table) | |
4971 | { | |
4972 | free (directory_table); | |
4973 | directory_table = NULL; | |
4974 | n_directories = 0; | |
4975 | } | |
4976 | ||
a262ae96 NC |
4977 | putchar ('\n'); |
4978 | } | |
4979 | ||
4980 | return 1; | |
4981 | } | |
4982 | ||
4983 | static int | |
77145576 | 4984 | display_debug_lines (struct dwarf_section *section, void *file) |
a262ae96 NC |
4985 | { |
4986 | unsigned char *data = section->start; | |
4987 | unsigned char *end = data + section->size; | |
4cb93e3b TG |
4988 | int retValRaw = 1; |
4989 | int retValDecoded = 1; | |
a262ae96 | 4990 | |
008f4c78 NC |
4991 | if (do_debug_lines == 0) |
4992 | do_debug_lines |= FLAG_DEBUG_LINES_RAW; | |
4993 | ||
4cb93e3b | 4994 | if (do_debug_lines & FLAG_DEBUG_LINES_RAW) |
77145576 | 4995 | retValRaw = display_debug_lines_raw (section, data, end, file); |
a262ae96 | 4996 | |
4cb93e3b | 4997 | if (do_debug_lines & FLAG_DEBUG_LINES_DECODED) |
ec1b0fbb | 4998 | retValDecoded = display_debug_lines_decoded (section, data, data, end, file); |
a262ae96 | 4999 | |
4cb93e3b | 5000 | if (!retValRaw || !retValDecoded) |
a262ae96 NC |
5001 | return 0; |
5002 | ||
5003 | return 1; | |
5004 | } | |
5005 | ||
6e3d6dc1 NC |
5006 | static debug_info * |
5007 | find_debug_info_for_offset (unsigned long offset) | |
5008 | { | |
5009 | unsigned int i; | |
5010 | ||
5011 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) | |
5012 | return NULL; | |
5013 | ||
5014 | for (i = 0; i < num_debug_info_entries; i++) | |
5015 | if (debug_information[i].cu_offset == offset) | |
5016 | return debug_information + i; | |
5017 | ||
5018 | return NULL; | |
5019 | } | |
5020 | ||
459d52c8 DE |
5021 | static const char * |
5022 | get_gdb_index_symbol_kind_name (gdb_index_symbol_kind kind) | |
5023 | { | |
5024 | /* See gdb/gdb-index.h. */ | |
5025 | static const char * const kinds[] = | |
5026 | { | |
5027 | N_ ("no info"), | |
5028 | N_ ("type"), | |
5029 | N_ ("variable"), | |
5030 | N_ ("function"), | |
5031 | N_ ("other"), | |
5032 | N_ ("unused5"), | |
5033 | N_ ("unused6"), | |
5034 | N_ ("unused7") | |
5035 | }; | |
5036 | ||
5037 | return _ (kinds[kind]); | |
5038 | } | |
5039 | ||
19e6b90e | 5040 | static int |
459d52c8 DE |
5041 | display_debug_pubnames_worker (struct dwarf_section *section, |
5042 | void *file ATTRIBUTE_UNUSED, | |
5043 | int is_gnu) | |
19e6b90e | 5044 | { |
91d6fa6a | 5045 | DWARF2_Internal_PubNames names; |
19e6b90e L |
5046 | unsigned char *start = section->start; |
5047 | unsigned char *end = start + section->size; | |
5048 | ||
6e3d6dc1 NC |
5049 | /* It does not matter if this load fails, |
5050 | we test for that later on. */ | |
5051 | load_debug_info (file); | |
5052 | ||
dda8d76d | 5053 | introduce (section, FALSE); |
19e6b90e L |
5054 | |
5055 | while (start < end) | |
5056 | { | |
5057 | unsigned char *data; | |
e98fdf1a | 5058 | unsigned long sec_off; |
bf5117e3 | 5059 | unsigned int offset_size, initial_length_size; |
19e6b90e | 5060 | |
e98fdf1a | 5061 | SAFE_BYTE_GET_AND_INC (names.pn_length, start, 4, end); |
91d6fa6a | 5062 | if (names.pn_length == 0xffffffff) |
19e6b90e | 5063 | { |
e98fdf1a | 5064 | SAFE_BYTE_GET_AND_INC (names.pn_length, start, 8, end); |
19e6b90e L |
5065 | offset_size = 8; |
5066 | initial_length_size = 12; | |
5067 | } | |
5068 | else | |
5069 | { | |
5070 | offset_size = 4; | |
5071 | initial_length_size = 4; | |
5072 | } | |
5073 | ||
e98fdf1a AM |
5074 | sec_off = start - section->start; |
5075 | if (sec_off + names.pn_length < sec_off | |
5076 | || sec_off + names.pn_length > section->size) | |
5077 | { | |
5078 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), | |
5079 | section->name, | |
5080 | sec_off - initial_length_size, | |
5081 | dwarf_vmatoa ("x", names.pn_length)); | |
5082 | break; | |
5083 | } | |
5084 | ||
5085 | data = start; | |
5086 | start += names.pn_length; | |
5087 | ||
0c588247 NC |
5088 | SAFE_BYTE_GET_AND_INC (names.pn_version, data, 2, end); |
5089 | SAFE_BYTE_GET_AND_INC (names.pn_offset, data, offset_size, end); | |
6e3d6dc1 NC |
5090 | |
5091 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE | |
5092 | && num_debug_info_entries > 0 | |
91d6fa6a | 5093 | && find_debug_info_for_offset (names.pn_offset) == NULL) |
6e3d6dc1 | 5094 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), |
47704ddf | 5095 | (unsigned long) names.pn_offset, section->name); |
cecf136e | 5096 | |
0c588247 | 5097 | SAFE_BYTE_GET_AND_INC (names.pn_size, data, offset_size, end); |
19e6b90e | 5098 | |
058037d3 NC |
5099 | printf (_(" Length: %ld\n"), |
5100 | (long) names.pn_length); | |
5101 | printf (_(" Version: %d\n"), | |
5102 | names.pn_version); | |
5103 | printf (_(" Offset into .debug_info section: 0x%lx\n"), | |
5104 | (unsigned long) names.pn_offset); | |
5105 | printf (_(" Size of area in .debug_info section: %ld\n"), | |
5106 | (long) names.pn_size); | |
19e6b90e | 5107 | |
91d6fa6a | 5108 | if (names.pn_version != 2 && names.pn_version != 3) |
19e6b90e L |
5109 | { |
5110 | static int warned = 0; | |
5111 | ||
5112 | if (! warned) | |
5113 | { | |
5114 | warn (_("Only DWARF 2 and 3 pubnames are currently supported\n")); | |
5115 | warned = 1; | |
5116 | } | |
5117 | ||
5118 | continue; | |
5119 | } | |
5120 | ||
459d52c8 DE |
5121 | if (is_gnu) |
5122 | printf (_("\n Offset Kind Name\n")); | |
5123 | else | |
5124 | printf (_("\n Offset\tName\n")); | |
19e6b90e | 5125 | |
e98fdf1a | 5126 | while (1) |
19e6b90e | 5127 | { |
f41e4712 | 5128 | bfd_size_type maxprint; |
e98fdf1a | 5129 | dwarf_vma offset; |
f41e4712 | 5130 | |
0c588247 | 5131 | SAFE_BYTE_GET (offset, data, offset_size, end); |
19e6b90e | 5132 | |
e98fdf1a AM |
5133 | if (offset == 0) |
5134 | break; | |
b4eb7656 | 5135 | |
e98fdf1a AM |
5136 | data += offset_size; |
5137 | if (data >= end) | |
5138 | break; | |
5139 | maxprint = (end - data) - 1; | |
f41e4712 | 5140 | |
e98fdf1a AM |
5141 | if (is_gnu) |
5142 | { | |
5143 | unsigned int kind_data; | |
5144 | gdb_index_symbol_kind kind; | |
5145 | const char *kind_name; | |
5146 | int is_static; | |
5147 | ||
5148 | SAFE_BYTE_GET (kind_data, data, 1, end); | |
5149 | data++; | |
5150 | maxprint --; | |
5151 | /* GCC computes the kind as the upper byte in the CU index | |
5152 | word, and then right shifts it by the CU index size. | |
5153 | Left shift KIND to where the gdb-index.h accessor macros | |
5154 | can use it. */ | |
5155 | kind_data <<= GDB_INDEX_CU_BITSIZE; | |
5156 | kind = GDB_INDEX_SYMBOL_KIND_VALUE (kind_data); | |
5157 | kind_name = get_gdb_index_symbol_kind_name (kind); | |
5158 | is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (kind_data); | |
5159 | printf (" %-6lx %s,%-10s %.*s\n", | |
5160 | (unsigned long) offset, is_static ? _("s") : _("g"), | |
5161 | kind_name, (int) maxprint, data); | |
19e6b90e | 5162 | } |
e98fdf1a AM |
5163 | else |
5164 | printf (" %-6lx\t%.*s\n", | |
5165 | (unsigned long) offset, (int) maxprint, data); | |
5166 | ||
5167 | data += strnlen ((char *) data, maxprint) + 1; | |
5168 | if (data >= end) | |
5169 | break; | |
19e6b90e | 5170 | } |
19e6b90e L |
5171 | } |
5172 | ||
5173 | printf ("\n"); | |
5174 | return 1; | |
5175 | } | |
5176 | ||
459d52c8 DE |
5177 | static int |
5178 | display_debug_pubnames (struct dwarf_section *section, void *file) | |
5179 | { | |
5180 | return display_debug_pubnames_worker (section, file, 0); | |
5181 | } | |
5182 | ||
5183 | static int | |
5184 | display_debug_gnu_pubnames (struct dwarf_section *section, void *file) | |
5185 | { | |
5186 | return display_debug_pubnames_worker (section, file, 1); | |
5187 | } | |
5188 | ||
19e6b90e L |
5189 | static int |
5190 | display_debug_macinfo (struct dwarf_section *section, | |
5191 | void *file ATTRIBUTE_UNUSED) | |
5192 | { | |
5193 | unsigned char *start = section->start; | |
5194 | unsigned char *end = start + section->size; | |
5195 | unsigned char *curr = start; | |
19e6b90e L |
5196 | enum dwarf_macinfo_record_type op; |
5197 | ||
dda8d76d | 5198 | introduce (section, FALSE); |
19e6b90e L |
5199 | |
5200 | while (curr < end) | |
5201 | { | |
5202 | unsigned int lineno; | |
0c588247 | 5203 | const unsigned char *string; |
19e6b90e | 5204 | |
3f5e193b | 5205 | op = (enum dwarf_macinfo_record_type) *curr; |
19e6b90e L |
5206 | curr++; |
5207 | ||
5208 | switch (op) | |
5209 | { | |
5210 | case DW_MACINFO_start_file: | |
5211 | { | |
5212 | unsigned int filenum; | |
5213 | ||
cd30bcef AM |
5214 | READ_ULEB (lineno, curr, end); |
5215 | READ_ULEB (filenum, curr, end); | |
19e6b90e L |
5216 | printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), |
5217 | lineno, filenum); | |
5218 | } | |
5219 | break; | |
5220 | ||
5221 | case DW_MACINFO_end_file: | |
5222 | printf (_(" DW_MACINFO_end_file\n")); | |
5223 | break; | |
5224 | ||
5225 | case DW_MACINFO_define: | |
cd30bcef | 5226 | READ_ULEB (lineno, curr, end); |
0c588247 NC |
5227 | string = curr; |
5228 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
5229 | printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"), |
5230 | lineno, string); | |
5231 | break; | |
5232 | ||
5233 | case DW_MACINFO_undef: | |
cd30bcef | 5234 | READ_ULEB (lineno, curr, end); |
0c588247 NC |
5235 | string = curr; |
5236 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
5237 | printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"), |
5238 | lineno, string); | |
5239 | break; | |
5240 | ||
5241 | case DW_MACINFO_vendor_ext: | |
5242 | { | |
5243 | unsigned int constant; | |
5244 | ||
cd30bcef | 5245 | READ_ULEB (constant, curr, end); |
0c588247 NC |
5246 | string = curr; |
5247 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
5248 | printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), |
5249 | constant, string); | |
5250 | } | |
5251 | break; | |
5252 | } | |
5253 | } | |
5254 | ||
5255 | return 1; | |
5256 | } | |
5257 | ||
4ccf1e31 JJ |
5258 | /* Given LINE_OFFSET into the .debug_line section, attempt to return |
5259 | filename and dirname corresponding to file name table entry with index | |
5260 | FILEIDX. Return NULL on failure. */ | |
5261 | ||
5262 | static unsigned char * | |
f6f0e17b NC |
5263 | get_line_filename_and_dirname (dwarf_vma line_offset, |
5264 | dwarf_vma fileidx, | |
4ccf1e31 JJ |
5265 | unsigned char **dir_name) |
5266 | { | |
5267 | struct dwarf_section *section = &debug_displays [line].section; | |
5268 | unsigned char *hdrptr, *dirtable, *file_name; | |
5269 | unsigned int offset_size, initial_length_size; | |
cd30bcef | 5270 | unsigned int version, opcode_base; |
4ccf1e31 | 5271 | dwarf_vma length, diridx; |
f6f0e17b | 5272 | const unsigned char * end; |
4ccf1e31 JJ |
5273 | |
5274 | *dir_name = NULL; | |
5275 | if (section->start == NULL | |
5276 | || line_offset >= section->size | |
5277 | || fileidx == 0) | |
5278 | return NULL; | |
5279 | ||
5280 | hdrptr = section->start + line_offset; | |
f6f0e17b | 5281 | end = section->start + section->size; |
0c588247 NC |
5282 | |
5283 | SAFE_BYTE_GET_AND_INC (length, hdrptr, 4, end); | |
4ccf1e31 JJ |
5284 | if (length == 0xffffffff) |
5285 | { | |
5286 | /* This section is 64-bit DWARF 3. */ | |
0c588247 | 5287 | SAFE_BYTE_GET_AND_INC (length, hdrptr, 8, end); |
4ccf1e31 JJ |
5288 | offset_size = 8; |
5289 | initial_length_size = 12; | |
5290 | } | |
5291 | else | |
5292 | { | |
5293 | offset_size = 4; | |
5294 | initial_length_size = 4; | |
5295 | } | |
e98fdf1a AM |
5296 | if (length + initial_length_size < length |
5297 | || length + initial_length_size > section->size) | |
4ccf1e31 | 5298 | return NULL; |
0c588247 NC |
5299 | |
5300 | SAFE_BYTE_GET_AND_INC (version, hdrptr, 2, end); | |
4ccf1e31 JJ |
5301 | if (version != 2 && version != 3 && version != 4) |
5302 | return NULL; | |
5303 | hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */ | |
5304 | if (version >= 4) | |
5305 | hdrptr++; /* Skip max_ops_per_insn. */ | |
5306 | hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */ | |
0c588247 NC |
5307 | |
5308 | SAFE_BYTE_GET_AND_INC (opcode_base, hdrptr, 1, end); | |
4ccf1e31 JJ |
5309 | if (opcode_base == 0) |
5310 | return NULL; | |
0c588247 | 5311 | |
4ccf1e31 | 5312 | hdrptr += opcode_base - 1; |
5c1c468d NC |
5313 | if (hdrptr >= end) |
5314 | return NULL; | |
5315 | ||
4ccf1e31 JJ |
5316 | dirtable = hdrptr; |
5317 | /* Skip over dirname table. */ | |
5318 | while (*hdrptr != '\0') | |
5c1c468d NC |
5319 | { |
5320 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; | |
5321 | if (hdrptr >= end) | |
5322 | return NULL; | |
5323 | } | |
4ccf1e31 | 5324 | hdrptr++; /* Skip the NUL at the end of the table. */ |
5c1c468d | 5325 | |
4ccf1e31 | 5326 | /* Now skip over preceding filename table entries. */ |
5c1c468d | 5327 | for (; hdrptr < end && *hdrptr != '\0' && fileidx > 1; fileidx--) |
4ccf1e31 | 5328 | { |
0c588247 | 5329 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
cd30bcef AM |
5330 | SKIP_ULEB (hdrptr, end); |
5331 | SKIP_ULEB (hdrptr, end); | |
5332 | SKIP_ULEB (hdrptr, end); | |
4ccf1e31 | 5333 | } |
5c1c468d | 5334 | if (hdrptr >= end || *hdrptr == '\0') |
4ccf1e31 | 5335 | return NULL; |
5c1c468d | 5336 | |
4ccf1e31 | 5337 | file_name = hdrptr; |
0c588247 | 5338 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
5c1c468d NC |
5339 | if (hdrptr >= end) |
5340 | return NULL; | |
cd30bcef | 5341 | READ_ULEB (diridx, hdrptr, end); |
4ccf1e31 JJ |
5342 | if (diridx == 0) |
5343 | return file_name; | |
5c1c468d | 5344 | for (; dirtable < end && *dirtable != '\0' && diridx > 1; diridx--) |
0c588247 | 5345 | dirtable += strnlen ((char *) dirtable, end - dirtable) + 1; |
5c1c468d | 5346 | if (dirtable >= end || *dirtable == '\0') |
4ccf1e31 JJ |
5347 | return NULL; |
5348 | *dir_name = dirtable; | |
5349 | return file_name; | |
5350 | } | |
5351 | ||
5352 | static int | |
5353 | display_debug_macro (struct dwarf_section *section, | |
5354 | void *file) | |
5355 | { | |
5356 | unsigned char *start = section->start; | |
5357 | unsigned char *end = start + section->size; | |
5358 | unsigned char *curr = start; | |
5359 | unsigned char *extended_op_buf[256]; | |
4ccf1e31 | 5360 | |
dda8d76d NC |
5361 | load_debug_section_with_follow (str, file); |
5362 | load_debug_section_with_follow (line, file); | |
4ccf1e31 | 5363 | |
dda8d76d | 5364 | introduce (section, FALSE); |
4ccf1e31 JJ |
5365 | |
5366 | while (curr < end) | |
5367 | { | |
5368 | unsigned int lineno, version, flags; | |
5369 | unsigned int offset_size = 4; | |
0c588247 | 5370 | const unsigned char *string; |
4ccf1e31 JJ |
5371 | dwarf_vma line_offset = 0, sec_offset = curr - start, offset; |
5372 | unsigned char **extended_ops = NULL; | |
5373 | ||
0c588247 | 5374 | SAFE_BYTE_GET_AND_INC (version, curr, 2, end); |
7a7e1061 | 5375 | if (version != 4 && version != 5) |
4ccf1e31 | 5376 | { |
7a7e1061 | 5377 | error (_("Only GNU extension to DWARF 4 or 5 of %s is currently supported.\n"), |
4ccf1e31 JJ |
5378 | section->name); |
5379 | return 0; | |
5380 | } | |
5381 | ||
0c588247 | 5382 | SAFE_BYTE_GET_AND_INC (flags, curr, 1, end); |
4ccf1e31 JJ |
5383 | if (flags & 1) |
5384 | offset_size = 8; | |
5385 | printf (_(" Offset: 0x%lx\n"), | |
5386 | (unsigned long) sec_offset); | |
5387 | printf (_(" Version: %d\n"), version); | |
5388 | printf (_(" Offset size: %d\n"), offset_size); | |
5389 | if (flags & 2) | |
5390 | { | |
0c588247 | 5391 | SAFE_BYTE_GET_AND_INC (line_offset, curr, offset_size, end); |
4ccf1e31 JJ |
5392 | printf (_(" Offset into .debug_line: 0x%lx\n"), |
5393 | (unsigned long) line_offset); | |
5394 | } | |
5395 | if (flags & 4) | |
5396 | { | |
0c588247 | 5397 | unsigned int i, count, op; |
4ccf1e31 | 5398 | dwarf_vma nargs, n; |
0c588247 NC |
5399 | |
5400 | SAFE_BYTE_GET_AND_INC (count, curr, 1, end); | |
bf5117e3 | 5401 | |
4ccf1e31 JJ |
5402 | memset (extended_op_buf, 0, sizeof (extended_op_buf)); |
5403 | extended_ops = extended_op_buf; | |
5404 | if (count) | |
5405 | { | |
5406 | printf (_(" Extension opcode arguments:\n")); | |
5407 | for (i = 0; i < count; i++) | |
5408 | { | |
0c588247 | 5409 | SAFE_BYTE_GET_AND_INC (op, curr, 1, end); |
4ccf1e31 | 5410 | extended_ops[op] = curr; |
cd30bcef | 5411 | READ_ULEB (nargs, curr, end); |
4ccf1e31 | 5412 | if (nargs == 0) |
7a7e1061 | 5413 | printf (_(" DW_MACRO_%02x has no arguments\n"), op); |
4ccf1e31 JJ |
5414 | else |
5415 | { | |
7a7e1061 | 5416 | printf (_(" DW_MACRO_%02x arguments: "), op); |
4ccf1e31 JJ |
5417 | for (n = 0; n < nargs; n++) |
5418 | { | |
0c588247 NC |
5419 | unsigned int form; |
5420 | ||
5421 | SAFE_BYTE_GET_AND_INC (form, curr, 1, end); | |
4ccf1e31 JJ |
5422 | printf ("%s%s", get_FORM_name (form), |
5423 | n == nargs - 1 ? "\n" : ", "); | |
5424 | switch (form) | |
5425 | { | |
5426 | case DW_FORM_data1: | |
5427 | case DW_FORM_data2: | |
5428 | case DW_FORM_data4: | |
5429 | case DW_FORM_data8: | |
5430 | case DW_FORM_sdata: | |
5431 | case DW_FORM_udata: | |
5432 | case DW_FORM_block: | |
5433 | case DW_FORM_block1: | |
5434 | case DW_FORM_block2: | |
5435 | case DW_FORM_block4: | |
5436 | case DW_FORM_flag: | |
5437 | case DW_FORM_string: | |
5438 | case DW_FORM_strp: | |
5439 | case DW_FORM_sec_offset: | |
5440 | break; | |
5441 | default: | |
5442 | error (_("Invalid extension opcode form %s\n"), | |
5443 | get_FORM_name (form)); | |
5444 | return 0; | |
5445 | } | |
5446 | } | |
5447 | } | |
5448 | } | |
5449 | } | |
5450 | } | |
5451 | printf ("\n"); | |
5452 | ||
5453 | while (1) | |
5454 | { | |
5455 | unsigned int op; | |
5456 | ||
5457 | if (curr >= end) | |
5458 | { | |
5459 | error (_(".debug_macro section not zero terminated\n")); | |
5460 | return 0; | |
5461 | } | |
5462 | ||
0c588247 | 5463 | SAFE_BYTE_GET_AND_INC (op, curr, 1, end); |
4ccf1e31 JJ |
5464 | if (op == 0) |
5465 | break; | |
5466 | ||
5467 | switch (op) | |
5468 | { | |
7a7e1061 | 5469 | case DW_MACRO_start_file: |
4ccf1e31 JJ |
5470 | { |
5471 | unsigned int filenum; | |
5472 | unsigned char *file_name = NULL, *dir_name = NULL; | |
5473 | ||
cd30bcef AM |
5474 | READ_ULEB (lineno, curr, end); |
5475 | READ_ULEB (filenum, curr, end); | |
4ccf1e31 JJ |
5476 | |
5477 | if ((flags & 2) == 0) | |
7a7e1061 | 5478 | error (_("DW_MACRO_start_file used, but no .debug_line offset provided.\n")); |
4ccf1e31 JJ |
5479 | else |
5480 | file_name | |
5481 | = get_line_filename_and_dirname (line_offset, filenum, | |
5482 | &dir_name); | |
5483 | if (file_name == NULL) | |
7a7e1061 | 5484 | printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d\n"), |
4ccf1e31 JJ |
5485 | lineno, filenum); |
5486 | else | |
7a7e1061 | 5487 | printf (_(" DW_MACRO_start_file - lineno: %d filenum: %d filename: %s%s%s\n"), |
4ccf1e31 JJ |
5488 | lineno, filenum, |
5489 | dir_name != NULL ? (const char *) dir_name : "", | |
5490 | dir_name != NULL ? "/" : "", file_name); | |
5491 | } | |
5492 | break; | |
5493 | ||
7a7e1061 JK |
5494 | case DW_MACRO_end_file: |
5495 | printf (_(" DW_MACRO_end_file\n")); | |
4ccf1e31 JJ |
5496 | break; |
5497 | ||
7a7e1061 | 5498 | case DW_MACRO_define: |
cd30bcef | 5499 | READ_ULEB (lineno, curr, end); |
0c588247 NC |
5500 | string = curr; |
5501 | curr += strnlen ((char *) string, end - string) + 1; | |
7a7e1061 | 5502 | printf (_(" DW_MACRO_define - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
5503 | lineno, string); |
5504 | break; | |
5505 | ||
7a7e1061 | 5506 | case DW_MACRO_undef: |
cd30bcef | 5507 | READ_ULEB (lineno, curr, end); |
0c588247 NC |
5508 | string = curr; |
5509 | curr += strnlen ((char *) string, end - string) + 1; | |
7a7e1061 | 5510 | printf (_(" DW_MACRO_undef - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
5511 | lineno, string); |
5512 | break; | |
5513 | ||
7a7e1061 | 5514 | case DW_MACRO_define_strp: |
cd30bcef | 5515 | READ_ULEB (lineno, curr, end); |
0c588247 | 5516 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 | 5517 | string = fetch_indirect_string (offset); |
7a7e1061 | 5518 | printf (_(" DW_MACRO_define_strp - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
5519 | lineno, string); |
5520 | break; | |
5521 | ||
7a7e1061 | 5522 | case DW_MACRO_undef_strp: |
cd30bcef | 5523 | READ_ULEB (lineno, curr, end); |
0c588247 | 5524 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 | 5525 | string = fetch_indirect_string (offset); |
7a7e1061 | 5526 | printf (_(" DW_MACRO_undef_strp - lineno : %d macro : %s\n"), |
4ccf1e31 JJ |
5527 | lineno, string); |
5528 | break; | |
5529 | ||
7a7e1061 | 5530 | case DW_MACRO_import: |
0c588247 | 5531 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 5532 | printf (_(" DW_MACRO_import - offset : 0x%lx\n"), |
4ccf1e31 JJ |
5533 | (unsigned long) offset); |
5534 | break; | |
5535 | ||
7a7e1061 | 5536 | case DW_MACRO_define_sup: |
cd30bcef | 5537 | READ_ULEB (lineno, curr, end); |
0c588247 | 5538 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 5539 | printf (_(" DW_MACRO_define_sup - lineno : %d macro offset : 0x%lx\n"), |
a081f3cd JJ |
5540 | lineno, (unsigned long) offset); |
5541 | break; | |
5542 | ||
7a7e1061 | 5543 | case DW_MACRO_undef_sup: |
cd30bcef | 5544 | READ_ULEB (lineno, curr, end); |
0c588247 | 5545 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 5546 | printf (_(" DW_MACRO_undef_sup - lineno : %d macro offset : 0x%lx\n"), |
a081f3cd JJ |
5547 | lineno, (unsigned long) offset); |
5548 | break; | |
5549 | ||
7a7e1061 | 5550 | case DW_MACRO_import_sup: |
0c588247 | 5551 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
7a7e1061 | 5552 | printf (_(" DW_MACRO_import_sup - offset : 0x%lx\n"), |
a081f3cd JJ |
5553 | (unsigned long) offset); |
5554 | break; | |
5555 | ||
4ccf1e31 JJ |
5556 | default: |
5557 | if (extended_ops == NULL || extended_ops[op] == NULL) | |
5558 | { | |
5559 | error (_(" Unknown macro opcode %02x seen\n"), op); | |
5560 | return 0; | |
5561 | } | |
5562 | else | |
5563 | { | |
5564 | /* Skip over unhandled opcodes. */ | |
5565 | dwarf_vma nargs, n; | |
5566 | unsigned char *desc = extended_ops[op]; | |
cd30bcef | 5567 | READ_ULEB (nargs, desc, end); |
4ccf1e31 JJ |
5568 | if (nargs == 0) |
5569 | { | |
7a7e1061 | 5570 | printf (_(" DW_MACRO_%02x\n"), op); |
4ccf1e31 JJ |
5571 | break; |
5572 | } | |
7a7e1061 | 5573 | printf (_(" DW_MACRO_%02x -"), op); |
4ccf1e31 JJ |
5574 | for (n = 0; n < nargs; n++) |
5575 | { | |
0c588247 NC |
5576 | int val; |
5577 | ||
77145576 | 5578 | /* DW_FORM_implicit_const is not expected here. */ |
0c588247 | 5579 | SAFE_BYTE_GET_AND_INC (val, desc, 1, end); |
4ccf1e31 | 5580 | curr |
77145576 | 5581 | = read_and_display_attr_value (0, val, 0, |
ec1b0fbb | 5582 | start, curr, end, 0, 0, offset_size, |
341f9135 | 5583 | version, NULL, 0, NULL, |
ec1b0fbb | 5584 | NULL, ' ', -1); |
4ccf1e31 JJ |
5585 | if (n != nargs - 1) |
5586 | printf (","); | |
5587 | } | |
5588 | printf ("\n"); | |
5589 | } | |
5590 | break; | |
5591 | } | |
5592 | } | |
5593 | ||
5594 | printf ("\n"); | |
b4eb7656 | 5595 | } |
4ccf1e31 JJ |
5596 | |
5597 | return 1; | |
5598 | } | |
5599 | ||
19e6b90e L |
5600 | static int |
5601 | display_debug_abbrev (struct dwarf_section *section, | |
5602 | void *file ATTRIBUTE_UNUSED) | |
5603 | { | |
5604 | abbrev_entry *entry; | |
5605 | unsigned char *start = section->start; | |
5606 | unsigned char *end = start + section->size; | |
5607 | ||
dda8d76d | 5608 | introduce (section, FALSE); |
19e6b90e L |
5609 | |
5610 | do | |
5611 | { | |
7282333f AM |
5612 | unsigned char *last; |
5613 | ||
19e6b90e L |
5614 | free_abbrevs (); |
5615 | ||
7282333f | 5616 | last = start; |
19e6b90e L |
5617 | start = process_abbrev_section (start, end); |
5618 | ||
5619 | if (first_abbrev == NULL) | |
5620 | continue; | |
5621 | ||
7282333f | 5622 | printf (_(" Number TAG (0x%lx)\n"), (long) (last - section->start)); |
19e6b90e L |
5623 | |
5624 | for (entry = first_abbrev; entry; entry = entry->next) | |
5625 | { | |
5626 | abbrev_attr *attr; | |
5627 | ||
cc5914eb | 5628 | printf (" %ld %s [%s]\n", |
19e6b90e L |
5629 | entry->entry, |
5630 | get_TAG_name (entry->tag), | |
5631 | entry->children ? _("has children") : _("no children")); | |
5632 | ||
5633 | for (attr = entry->first_attr; attr; attr = attr->next) | |
77145576 JK |
5634 | { |
5635 | printf (" %-18s %s", | |
5636 | get_AT_name (attr->attribute), | |
5637 | get_FORM_name (attr->form)); | |
5638 | if (attr->form == DW_FORM_implicit_const) | |
5639 | printf (": %" BFD_VMA_FMT "d", attr->implicit_const); | |
5640 | putchar ('\n'); | |
5641 | } | |
19e6b90e L |
5642 | } |
5643 | } | |
5644 | while (start); | |
5645 | ||
5646 | printf ("\n"); | |
5647 | ||
5648 | return 1; | |
5649 | } | |
5650 | ||
42bcef4a AB |
5651 | /* Return true when ADDR is the maximum address, when addresses are |
5652 | POINTER_SIZE bytes long. */ | |
5653 | ||
5654 | static bfd_boolean | |
5655 | is_max_address (dwarf_vma addr, unsigned int pointer_size) | |
5656 | { | |
5657 | dwarf_vma mask = ~(~(dwarf_vma) 1 << (pointer_size * 8 - 1)); | |
5658 | return ((addr & mask) == mask); | |
5659 | } | |
5660 | ||
9f272209 AO |
5661 | /* Display a view pair list starting at *VSTART_PTR and ending at |
5662 | VLISTEND within SECTION. */ | |
5663 | ||
5664 | static void | |
5665 | display_view_pair_list (struct dwarf_section *section, | |
5666 | unsigned char **vstart_ptr, | |
5667 | unsigned int debug_info_entry, | |
5668 | unsigned char *vlistend) | |
5669 | { | |
5670 | unsigned char *vstart = *vstart_ptr; | |
5671 | unsigned char *section_end = section->start + section->size; | |
5672 | unsigned int pointer_size = debug_information [debug_info_entry].pointer_size; | |
5673 | ||
5674 | if (vlistend < section_end) | |
5675 | section_end = vlistend; | |
5676 | ||
5677 | putchar ('\n'); | |
5678 | ||
5679 | while (vstart < section_end) | |
5680 | { | |
5681 | dwarf_vma off = vstart - section->start; | |
5682 | dwarf_vma vbegin, vend; | |
5683 | ||
cd30bcef | 5684 | READ_ULEB (vbegin, vstart, section_end); |
9f272209 | 5685 | if (vstart == section_end) |
cd30bcef | 5686 | break; |
9f272209 | 5687 | |
cd30bcef | 5688 | READ_ULEB (vend, vstart, section_end); |
9f272209 AO |
5689 | printf (" %8.8lx ", (unsigned long) off); |
5690 | ||
5691 | print_dwarf_view (vbegin, pointer_size, 1); | |
5692 | print_dwarf_view (vend, pointer_size, 1); | |
5693 | printf (_("location view pair\n")); | |
5694 | } | |
5695 | ||
5696 | putchar ('\n'); | |
5697 | *vstart_ptr = vstart; | |
5698 | } | |
5699 | ||
4723351a CC |
5700 | /* Display a location list from a normal (ie, non-dwo) .debug_loc section. */ |
5701 | ||
5702 | static void | |
5703 | display_loc_list (struct dwarf_section *section, | |
b4eb7656 AM |
5704 | unsigned char **start_ptr, |
5705 | unsigned int debug_info_entry, | |
359ca075 JK |
5706 | dwarf_vma offset, |
5707 | dwarf_vma base_address, | |
9f272209 | 5708 | unsigned char **vstart_ptr, |
b4eb7656 | 5709 | int has_frame_base) |
4723351a | 5710 | { |
9f272209 | 5711 | unsigned char *start = *start_ptr, *vstart = *vstart_ptr; |
4723351a | 5712 | unsigned char *section_end = section->start + section->size; |
82b1b41b NC |
5713 | unsigned long cu_offset; |
5714 | unsigned int pointer_size; | |
5715 | unsigned int offset_size; | |
5716 | int dwarf_version; | |
4723351a CC |
5717 | |
5718 | dwarf_vma begin; | |
5719 | dwarf_vma end; | |
5720 | unsigned short length; | |
5721 | int need_frame_base; | |
5722 | ||
82b1b41b NC |
5723 | if (debug_info_entry >= num_debug_info_entries) |
5724 | { | |
5725 | warn (_("No debug information available for loc lists of entry: %u\n"), | |
5726 | debug_info_entry); | |
5727 | return; | |
5728 | } | |
b4eb7656 | 5729 | |
82b1b41b NC |
5730 | cu_offset = debug_information [debug_info_entry].cu_offset; |
5731 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
5732 | offset_size = debug_information [debug_info_entry].offset_size; | |
5733 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
b4eb7656 | 5734 | |
f41e4712 NC |
5735 | if (pointer_size < 2 || pointer_size > 8) |
5736 | { | |
5737 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
5738 | pointer_size, debug_info_entry); | |
5739 | return; | |
5740 | } | |
5741 | ||
4723351a CC |
5742 | while (1) |
5743 | { | |
359ca075 | 5744 | dwarf_vma off = offset + (start - *start_ptr); |
9f272209 | 5745 | dwarf_vma vbegin = vm1, vend = vm1; |
d1c4b12b | 5746 | |
4723351a | 5747 | if (start + 2 * pointer_size > section_end) |
b4eb7656 AM |
5748 | { |
5749 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5750 | (unsigned long) offset); |
b4eb7656 AM |
5751 | break; |
5752 | } | |
4723351a | 5753 | |
359ca075 | 5754 | printf (" %8.8lx ", (unsigned long) off); |
fab128ef | 5755 | |
0c588247 NC |
5756 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end); |
5757 | SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end); | |
4723351a | 5758 | |
4723351a | 5759 | if (begin == 0 && end == 0) |
b4eb7656 | 5760 | { |
d1c4b12b NC |
5761 | /* PR 18374: In a object file we can have a location list that |
5762 | starts with a begin and end of 0 because there are relocations | |
5763 | that need to be applied to the addresses. Actually applying | |
5764 | the relocations now does not help as they will probably resolve | |
5765 | to 0, since the object file has not been fully linked. Real | |
5766 | end of list markers will not have any relocations against them. */ | |
5767 | if (! reloc_at (section, off) | |
5768 | && ! reloc_at (section, off + pointer_size)) | |
5769 | { | |
5770 | printf (_("<End of list>\n")); | |
5771 | break; | |
5772 | } | |
b4eb7656 | 5773 | } |
4723351a CC |
5774 | |
5775 | /* Check base address specifiers. */ | |
42bcef4a AB |
5776 | if (is_max_address (begin, pointer_size) |
5777 | && !is_max_address (end, pointer_size)) | |
b4eb7656 AM |
5778 | { |
5779 | base_address = end; | |
5780 | print_dwarf_vma (begin, pointer_size); | |
5781 | print_dwarf_vma (end, pointer_size); | |
5782 | printf (_("(base address)\n")); | |
5783 | continue; | |
5784 | } | |
4723351a | 5785 | |
9f272209 AO |
5786 | if (vstart) |
5787 | { | |
9f272209 AO |
5788 | off = offset + (vstart - *start_ptr); |
5789 | ||
cd30bcef | 5790 | READ_ULEB (vbegin, vstart, section_end); |
9f272209 AO |
5791 | print_dwarf_view (vbegin, pointer_size, 1); |
5792 | ||
cd30bcef | 5793 | READ_ULEB (vend, vstart, section_end); |
9f272209 AO |
5794 | print_dwarf_view (vend, pointer_size, 1); |
5795 | ||
5796 | printf (_("views at %8.8lx for:\n %*s "), | |
5797 | (unsigned long) off, 8, ""); | |
5798 | } | |
5799 | ||
4723351a | 5800 | if (start + 2 > section_end) |
b4eb7656 AM |
5801 | { |
5802 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5803 | (unsigned long) offset); |
b4eb7656 AM |
5804 | break; |
5805 | } | |
4723351a | 5806 | |
0c588247 | 5807 | SAFE_BYTE_GET_AND_INC (length, start, 2, section_end); |
4723351a CC |
5808 | |
5809 | if (start + length > section_end) | |
b4eb7656 AM |
5810 | { |
5811 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 5812 | (unsigned long) offset); |
b4eb7656 AM |
5813 | break; |
5814 | } | |
4723351a CC |
5815 | |
5816 | print_dwarf_vma (begin + base_address, pointer_size); | |
5817 | print_dwarf_vma (end + base_address, pointer_size); | |
5818 | ||
5819 | putchar ('('); | |
5820 | need_frame_base = decode_location_expression (start, | |
b4eb7656 AM |
5821 | pointer_size, |
5822 | offset_size, | |
5823 | dwarf_version, | |
5824 | length, | |
5825 | cu_offset, section); | |
4723351a CC |
5826 | putchar (')'); |
5827 | ||
5828 | if (need_frame_base && !has_frame_base) | |
b4eb7656 | 5829 | printf (_(" [without DW_AT_frame_base]")); |
4723351a | 5830 | |
9f272209 | 5831 | if (begin == end && vbegin == vend) |
b4eb7656 | 5832 | fputs (_(" (start == end)"), stdout); |
9f272209 | 5833 | else if (begin > end || (begin == end && vbegin > vend)) |
b4eb7656 | 5834 | fputs (_(" (start > end)"), stdout); |
4723351a CC |
5835 | |
5836 | putchar ('\n'); | |
5837 | ||
5838 | start += length; | |
5839 | } | |
5840 | ||
5841 | *start_ptr = start; | |
9f272209 | 5842 | *vstart_ptr = vstart; |
4723351a CC |
5843 | } |
5844 | ||
77145576 JK |
5845 | /* Display a location list from a normal (ie, non-dwo) .debug_loclists section. */ |
5846 | ||
5847 | static void | |
5848 | display_loclists_list (struct dwarf_section *section, | |
5849 | unsigned char **start_ptr, | |
5850 | unsigned int debug_info_entry, | |
5851 | dwarf_vma offset, | |
5852 | dwarf_vma base_address, | |
9f272209 | 5853 | unsigned char **vstart_ptr, |
77145576 JK |
5854 | int has_frame_base) |
5855 | { | |
9f272209 | 5856 | unsigned char *start = *start_ptr, *vstart = *vstart_ptr; |
77145576 JK |
5857 | unsigned char *section_end = section->start + section->size; |
5858 | unsigned long cu_offset; | |
5859 | unsigned int pointer_size; | |
5860 | unsigned int offset_size; | |
5861 | int dwarf_version; | |
77145576 | 5862 | |
9dfd0db9 | 5863 | /* Initialize it due to a false compiler warning. */ |
9f272209 AO |
5864 | dwarf_vma begin = -1, vbegin = -1; |
5865 | dwarf_vma end = -1, vend = -1; | |
77145576 JK |
5866 | dwarf_vma length; |
5867 | int need_frame_base; | |
5868 | ||
5869 | if (debug_info_entry >= num_debug_info_entries) | |
5870 | { | |
5871 | warn (_("No debug information available for " | |
5872 | "loclists lists of entry: %u\n"), | |
5873 | debug_info_entry); | |
5874 | return; | |
5875 | } | |
5876 | ||
5877 | cu_offset = debug_information [debug_info_entry].cu_offset; | |
5878 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
5879 | offset_size = debug_information [debug_info_entry].offset_size; | |
5880 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
5881 | ||
5882 | if (pointer_size < 2 || pointer_size > 8) | |
5883 | { | |
5884 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
5885 | pointer_size, debug_info_entry); | |
5886 | return; | |
5887 | } | |
5888 | ||
5889 | while (1) | |
5890 | { | |
5891 | dwarf_vma off = offset + (start - *start_ptr); | |
5892 | enum dwarf_location_list_entry_type llet; | |
5893 | ||
5894 | if (start + 1 > section_end) | |
5895 | { | |
5896 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
5897 | (unsigned long) offset); | |
5898 | break; | |
5899 | } | |
5900 | ||
5901 | printf (" %8.8lx ", (unsigned long) off); | |
5902 | ||
5903 | SAFE_BYTE_GET_AND_INC (llet, start, 1, section_end); | |
5904 | ||
9f272209 AO |
5905 | if (vstart && llet == DW_LLE_offset_pair) |
5906 | { | |
5907 | off = offset + (vstart - *start_ptr); | |
5908 | ||
cd30bcef | 5909 | READ_ULEB (vbegin, vstart, section_end); |
9f272209 AO |
5910 | print_dwarf_view (vbegin, pointer_size, 1); |
5911 | ||
cd30bcef | 5912 | READ_ULEB (vend, vstart, section_end); |
9f272209 AO |
5913 | print_dwarf_view (vend, pointer_size, 1); |
5914 | ||
5915 | printf (_("views at %8.8lx for:\n %*s "), | |
5916 | (unsigned long) off, 8, ""); | |
5917 | } | |
5918 | ||
77145576 JK |
5919 | switch (llet) |
5920 | { | |
5921 | case DW_LLE_end_of_list: | |
5922 | printf (_("<End of list>\n")); | |
5923 | break; | |
5924 | case DW_LLE_offset_pair: | |
cd30bcef AM |
5925 | READ_ULEB (begin, start, section_end); |
5926 | READ_ULEB (end, start, section_end); | |
77145576 JK |
5927 | break; |
5928 | case DW_LLE_base_address: | |
5929 | SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, | |
5930 | section_end); | |
5931 | print_dwarf_vma (base_address, pointer_size); | |
5932 | printf (_("(base address)\n")); | |
5933 | break; | |
9f272209 AO |
5934 | #ifdef DW_LLE_view_pair |
5935 | case DW_LLE_view_pair: | |
5936 | if (vstart) | |
5937 | printf (_("View pair entry in loclist with locviews attribute\n")); | |
cd30bcef | 5938 | READ_ULEB (vbegin, start, section_end); |
9f272209 AO |
5939 | print_dwarf_view (vbegin, pointer_size, 1); |
5940 | ||
cd30bcef | 5941 | READ_ULEB (vend, start, section_end); |
9f272209 AO |
5942 | print_dwarf_view (vend, pointer_size, 1); |
5943 | ||
5944 | printf (_("views for:\n")); | |
5945 | continue; | |
5946 | #endif | |
77145576 JK |
5947 | default: |
5948 | error (_("Invalid location list entry type %d\n"), llet); | |
5949 | return; | |
5950 | } | |
5951 | if (llet == DW_LLE_end_of_list) | |
5952 | break; | |
5953 | if (llet != DW_LLE_offset_pair) | |
5954 | continue; | |
5955 | ||
5956 | if (start + 2 > section_end) | |
5957 | { | |
5958 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
5959 | (unsigned long) offset); | |
5960 | break; | |
5961 | } | |
5962 | ||
cd30bcef | 5963 | READ_ULEB (length, start, section_end); |
77145576 JK |
5964 | |
5965 | print_dwarf_vma (begin + base_address, pointer_size); | |
5966 | print_dwarf_vma (end + base_address, pointer_size); | |
5967 | ||
5968 | putchar ('('); | |
5969 | need_frame_base = decode_location_expression (start, | |
5970 | pointer_size, | |
5971 | offset_size, | |
5972 | dwarf_version, | |
5973 | length, | |
5974 | cu_offset, section); | |
5975 | putchar (')'); | |
5976 | ||
5977 | if (need_frame_base && !has_frame_base) | |
5978 | printf (_(" [without DW_AT_frame_base]")); | |
5979 | ||
9f272209 | 5980 | if (begin == end && vbegin == vend) |
77145576 | 5981 | fputs (_(" (start == end)"), stdout); |
9f272209 | 5982 | else if (begin > end || (begin == end && vbegin > vend)) |
77145576 JK |
5983 | fputs (_(" (start > end)"), stdout); |
5984 | ||
5985 | putchar ('\n'); | |
5986 | ||
5987 | start += length; | |
9f272209 | 5988 | vbegin = vend = -1; |
77145576 JK |
5989 | } |
5990 | ||
9f272209 AO |
5991 | if (vbegin != vm1 || vend != vm1) |
5992 | printf (_("Trailing view pair not used in a range")); | |
5993 | ||
77145576 | 5994 | *start_ptr = start; |
9f272209 | 5995 | *vstart_ptr = vstart; |
77145576 JK |
5996 | } |
5997 | ||
fab128ef CC |
5998 | /* Print a .debug_addr table index in decimal, surrounded by square brackets, |
5999 | right-adjusted in a field of length LEN, and followed by a space. */ | |
6000 | ||
6001 | static void | |
6002 | print_addr_index (unsigned int idx, unsigned int len) | |
6003 | { | |
6004 | static char buf[15]; | |
6005 | snprintf (buf, sizeof (buf), "[%d]", idx); | |
341f9135 | 6006 | printf ("%*s ", len, buf); |
fab128ef CC |
6007 | } |
6008 | ||
4723351a CC |
6009 | /* Display a location list from a .dwo section. It uses address indexes rather |
6010 | than embedded addresses. This code closely follows display_loc_list, but the | |
6011 | two are sufficiently different that combining things is very ugly. */ | |
6012 | ||
6013 | static void | |
6014 | display_loc_list_dwo (struct dwarf_section *section, | |
b4eb7656 AM |
6015 | unsigned char **start_ptr, |
6016 | unsigned int debug_info_entry, | |
359ca075 | 6017 | dwarf_vma offset, |
9f272209 | 6018 | unsigned char **vstart_ptr, |
b4eb7656 | 6019 | int has_frame_base) |
4723351a | 6020 | { |
9f272209 | 6021 | unsigned char *start = *start_ptr, *vstart = *vstart_ptr; |
4723351a | 6022 | unsigned char *section_end = section->start + section->size; |
82b1b41b NC |
6023 | unsigned long cu_offset; |
6024 | unsigned int pointer_size; | |
6025 | unsigned int offset_size; | |
6026 | int dwarf_version; | |
4723351a CC |
6027 | int entry_type; |
6028 | unsigned short length; | |
6029 | int need_frame_base; | |
fab128ef | 6030 | unsigned int idx; |
4723351a | 6031 | |
82b1b41b NC |
6032 | if (debug_info_entry >= num_debug_info_entries) |
6033 | { | |
6034 | warn (_("No debug information for loc lists of entry: %u\n"), | |
6035 | debug_info_entry); | |
6036 | return; | |
6037 | } | |
6038 | ||
6039 | cu_offset = debug_information [debug_info_entry].cu_offset; | |
6040 | pointer_size = debug_information [debug_info_entry].pointer_size; | |
6041 | offset_size = debug_information [debug_info_entry].offset_size; | |
6042 | dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
6043 | ||
f41e4712 NC |
6044 | if (pointer_size < 2 || pointer_size > 8) |
6045 | { | |
6046 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
6047 | pointer_size, debug_info_entry); | |
6048 | return; | |
6049 | } | |
6050 | ||
4723351a CC |
6051 | while (1) |
6052 | { | |
359ca075 | 6053 | printf (" %8.8lx ", (unsigned long) (offset + (start - *start_ptr))); |
4723351a | 6054 | |
fab128ef | 6055 | if (start >= section_end) |
b4eb7656 AM |
6056 | { |
6057 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 6058 | (unsigned long) offset); |
b4eb7656 AM |
6059 | break; |
6060 | } | |
4723351a | 6061 | |
0c588247 | 6062 | SAFE_BYTE_GET_AND_INC (entry_type, start, 1, section_end); |
9f272209 AO |
6063 | |
6064 | if (vstart) | |
6065 | switch (entry_type) | |
6066 | { | |
6067 | default: | |
6068 | break; | |
6069 | ||
6070 | case 2: | |
6071 | case 3: | |
6072 | case 4: | |
6073 | { | |
6074 | dwarf_vma view; | |
6075 | dwarf_vma off = offset + (vstart - *start_ptr); | |
6076 | ||
cd30bcef | 6077 | READ_ULEB (view, vstart, section_end); |
9f272209 AO |
6078 | print_dwarf_view (view, 8, 1); |
6079 | ||
cd30bcef | 6080 | READ_ULEB (view, vstart, section_end); |
9f272209 AO |
6081 | print_dwarf_view (view, 8, 1); |
6082 | ||
6083 | printf (_("views at %8.8lx for:\n %*s "), | |
6084 | (unsigned long) off, 8, ""); | |
6085 | ||
6086 | } | |
6087 | break; | |
6088 | } | |
6089 | ||
4723351a | 6090 | switch (entry_type) |
b4eb7656 AM |
6091 | { |
6092 | case 0: /* A terminating entry. */ | |
6093 | *start_ptr = start; | |
9f272209 | 6094 | *vstart_ptr = vstart; |
b4eb7656 AM |
6095 | printf (_("<End of list>\n")); |
6096 | return; | |
6097 | case 1: /* A base-address entry. */ | |
cd30bcef | 6098 | READ_ULEB (idx, start, section_end); |
b4eb7656 | 6099 | print_addr_index (idx, 8); |
9f272209 | 6100 | printf ("%*s", 9 + (vstart ? 2 * 6 : 0), ""); |
b4eb7656 AM |
6101 | printf (_("(base address selection entry)\n")); |
6102 | continue; | |
6103 | case 2: /* A start/end entry. */ | |
cd30bcef | 6104 | READ_ULEB (idx, start, section_end); |
b4eb7656 | 6105 | print_addr_index (idx, 8); |
cd30bcef | 6106 | READ_ULEB (idx, start, section_end); |
b4eb7656 AM |
6107 | print_addr_index (idx, 8); |
6108 | break; | |
6109 | case 3: /* A start/length entry. */ | |
cd30bcef | 6110 | READ_ULEB (idx, start, section_end); |
b4eb7656 AM |
6111 | print_addr_index (idx, 8); |
6112 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
6113 | printf ("%08x ", idx); | |
6114 | break; | |
6115 | case 4: /* An offset pair entry. */ | |
6116 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
6117 | printf ("%08x ", idx); | |
6118 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); | |
6119 | printf ("%08x ", idx); | |
6120 | break; | |
6121 | default: | |
6122 | warn (_("Unknown location list entry type 0x%x.\n"), entry_type); | |
6123 | *start_ptr = start; | |
9f272209 | 6124 | *vstart_ptr = vstart; |
b4eb7656 AM |
6125 | return; |
6126 | } | |
4723351a CC |
6127 | |
6128 | if (start + 2 > section_end) | |
b4eb7656 AM |
6129 | { |
6130 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 6131 | (unsigned long) offset); |
b4eb7656 AM |
6132 | break; |
6133 | } | |
4723351a | 6134 | |
0c588247 | 6135 | SAFE_BYTE_GET_AND_INC (length, start, 2, section_end); |
4723351a | 6136 | if (start + length > section_end) |
b4eb7656 AM |
6137 | { |
6138 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
359ca075 | 6139 | (unsigned long) offset); |
b4eb7656 AM |
6140 | break; |
6141 | } | |
4723351a CC |
6142 | |
6143 | putchar ('('); | |
6144 | need_frame_base = decode_location_expression (start, | |
b4eb7656 AM |
6145 | pointer_size, |
6146 | offset_size, | |
6147 | dwarf_version, | |
6148 | length, | |
6149 | cu_offset, section); | |
4723351a CC |
6150 | putchar (')'); |
6151 | ||
6152 | if (need_frame_base && !has_frame_base) | |
b4eb7656 | 6153 | printf (_(" [without DW_AT_frame_base]")); |
4723351a CC |
6154 | |
6155 | putchar ('\n'); | |
6156 | ||
6157 | start += length; | |
6158 | } | |
6159 | ||
6160 | *start_ptr = start; | |
9f272209 | 6161 | *vstart_ptr = vstart; |
4723351a CC |
6162 | } |
6163 | ||
9f272209 AO |
6164 | /* Sort array of indexes in ascending order of loc_offsets[idx] and |
6165 | loc_views. */ | |
51d0d03f | 6166 | |
9f272209 | 6167 | static dwarf_vma *loc_offsets, *loc_views; |
51d0d03f JJ |
6168 | |
6169 | static int | |
6170 | loc_offsets_compar (const void *ap, const void *bp) | |
6171 | { | |
6172 | dwarf_vma a = loc_offsets[*(const unsigned int *) ap]; | |
6173 | dwarf_vma b = loc_offsets[*(const unsigned int *) bp]; | |
6174 | ||
9f272209 AO |
6175 | int ret = (a > b) - (b > a); |
6176 | if (ret) | |
6177 | return ret; | |
6178 | ||
6179 | a = loc_views[*(const unsigned int *) ap]; | |
6180 | b = loc_views[*(const unsigned int *) bp]; | |
6181 | ||
6182 | ret = (a > b) - (b > a); | |
6183 | ||
6184 | return ret; | |
51d0d03f JJ |
6185 | } |
6186 | ||
19e6b90e L |
6187 | static int |
6188 | display_debug_loc (struct dwarf_section *section, void *file) | |
6189 | { | |
9f272209 | 6190 | unsigned char *start = section->start, *vstart = NULL; |
19e6b90e L |
6191 | unsigned long bytes; |
6192 | unsigned char *section_begin = start; | |
6193 | unsigned int num_loc_list = 0; | |
6194 | unsigned long last_offset = 0; | |
9f272209 | 6195 | unsigned long last_view = 0; |
19e6b90e L |
6196 | unsigned int first = 0; |
6197 | unsigned int i; | |
6198 | unsigned int j; | |
6199 | int seen_first_offset = 0; | |
51d0d03f | 6200 | int locs_sorted = 1; |
9f272209 | 6201 | unsigned char *next = start, *vnext = vstart; |
51d0d03f | 6202 | unsigned int *array = NULL; |
4723351a | 6203 | const char *suffix = strrchr (section->name, '.'); |
24841daa | 6204 | bfd_boolean is_dwo = FALSE; |
77145576 JK |
6205 | int is_loclists = strstr (section->name, "debug_loclists") != NULL; |
6206 | dwarf_vma expected_start = 0; | |
4723351a CC |
6207 | |
6208 | if (suffix && strcmp (suffix, ".dwo") == 0) | |
24841daa | 6209 | is_dwo = TRUE; |
19e6b90e L |
6210 | |
6211 | bytes = section->size; | |
19e6b90e L |
6212 | |
6213 | if (bytes == 0) | |
6214 | { | |
6215 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6216 | return 0; | |
6217 | } | |
6218 | ||
77145576 JK |
6219 | if (is_loclists) |
6220 | { | |
6221 | unsigned char *hdrptr = section_begin; | |
6222 | dwarf_vma ll_length; | |
6223 | unsigned short ll_version; | |
6224 | unsigned char *end = section_begin + section->size; | |
6225 | unsigned char address_size, segment_selector_size; | |
6226 | uint32_t offset_entry_count; | |
6227 | ||
6228 | SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 4, end); | |
6229 | if (ll_length == 0xffffffff) | |
6230 | SAFE_BYTE_GET_AND_INC (ll_length, hdrptr, 8, end); | |
6231 | ||
6232 | SAFE_BYTE_GET_AND_INC (ll_version, hdrptr, 2, end); | |
6233 | if (ll_version != 5) | |
6234 | { | |
6235 | warn (_("The %s section contains corrupt or " | |
6236 | "unsupported version number: %d.\n"), | |
6237 | section->name, ll_version); | |
6238 | return 0; | |
6239 | } | |
6240 | ||
6241 | SAFE_BYTE_GET_AND_INC (address_size, hdrptr, 1, end); | |
6242 | ||
6243 | SAFE_BYTE_GET_AND_INC (segment_selector_size, hdrptr, 1, end); | |
6244 | if (segment_selector_size != 0) | |
6245 | { | |
6246 | warn (_("The %s section contains " | |
6247 | "unsupported segment selector size: %d.\n"), | |
6248 | section->name, segment_selector_size); | |
6249 | return 0; | |
6250 | } | |
6251 | ||
6252 | SAFE_BYTE_GET_AND_INC (offset_entry_count, hdrptr, 4, end); | |
6253 | if (offset_entry_count != 0) | |
6254 | { | |
6255 | warn (_("The %s section contains " | |
6256 | "unsupported offset entry count: %d.\n"), | |
6257 | section->name, offset_entry_count); | |
6258 | return 0; | |
6259 | } | |
6260 | ||
6261 | expected_start = hdrptr - section_begin; | |
6262 | } | |
6263 | ||
1febe64d NC |
6264 | if (load_debug_info (file) == 0) |
6265 | { | |
6266 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
6267 | section->name); | |
6268 | return 0; | |
6269 | } | |
19e6b90e L |
6270 | |
6271 | /* Check the order of location list in .debug_info section. If | |
6272 | offsets of location lists are in the ascending order, we can | |
6273 | use `debug_information' directly. */ | |
6274 | for (i = 0; i < num_debug_info_entries; i++) | |
6275 | { | |
6276 | unsigned int num; | |
6277 | ||
6278 | num = debug_information [i].num_loc_offsets; | |
51d0d03f JJ |
6279 | if (num > num_loc_list) |
6280 | num_loc_list = num; | |
19e6b90e L |
6281 | |
6282 | /* Check if we can use `debug_information' directly. */ | |
51d0d03f | 6283 | if (locs_sorted && num != 0) |
19e6b90e L |
6284 | { |
6285 | if (!seen_first_offset) | |
6286 | { | |
6287 | /* This is the first location list. */ | |
6288 | last_offset = debug_information [i].loc_offsets [0]; | |
9f272209 | 6289 | last_view = debug_information [i].loc_views [0]; |
19e6b90e L |
6290 | first = i; |
6291 | seen_first_offset = 1; | |
6292 | j = 1; | |
6293 | } | |
6294 | else | |
6295 | j = 0; | |
6296 | ||
6297 | for (; j < num; j++) | |
6298 | { | |
6299 | if (last_offset > | |
9f272209 AO |
6300 | debug_information [i].loc_offsets [j] |
6301 | || (last_offset == debug_information [i].loc_offsets [j] | |
6302 | && last_view > debug_information [i].loc_views [j])) | |
19e6b90e | 6303 | { |
51d0d03f | 6304 | locs_sorted = 0; |
19e6b90e L |
6305 | break; |
6306 | } | |
6307 | last_offset = debug_information [i].loc_offsets [j]; | |
9f272209 | 6308 | last_view = debug_information [i].loc_views [j]; |
19e6b90e L |
6309 | } |
6310 | } | |
6311 | } | |
6312 | ||
19e6b90e L |
6313 | if (!seen_first_offset) |
6314 | error (_("No location lists in .debug_info section!\n")); | |
6315 | ||
d4bfc77b | 6316 | if (debug_information [first].num_loc_offsets > 0 |
9f272209 AO |
6317 | && debug_information [first].loc_offsets [0] != expected_start |
6318 | && debug_information [first].loc_views [0] != expected_start) | |
47704ddf KT |
6319 | warn (_("Location lists in %s section start at 0x%s\n"), |
6320 | section->name, | |
6321 | dwarf_vmatoa ("x", debug_information [first].loc_offsets [0])); | |
19e6b90e | 6322 | |
51d0d03f JJ |
6323 | if (!locs_sorted) |
6324 | array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int)); | |
dda8d76d NC |
6325 | |
6326 | introduce (section, FALSE); | |
6327 | ||
d1c4b12b NC |
6328 | if (reloc_at (section, 0)) |
6329 | printf (_(" Warning: This section has relocations - addresses seen here may not be accurate.\n\n")); | |
dda8d76d | 6330 | |
d1c4b12b | 6331 | printf (_(" Offset Begin End Expression\n")); |
19e6b90e L |
6332 | |
6333 | seen_first_offset = 0; | |
6334 | for (i = first; i < num_debug_info_entries; i++) | |
6335 | { | |
9f272209 | 6336 | dwarf_vma offset, voffset; |
359ca075 | 6337 | dwarf_vma base_address; |
d1c4b12b | 6338 | unsigned int k; |
19e6b90e L |
6339 | int has_frame_base; |
6340 | ||
51d0d03f JJ |
6341 | if (!locs_sorted) |
6342 | { | |
6343 | for (k = 0; k < debug_information [i].num_loc_offsets; k++) | |
6344 | array[k] = k; | |
6345 | loc_offsets = debug_information [i].loc_offsets; | |
9f272209 | 6346 | loc_views = debug_information [i].loc_views; |
51d0d03f JJ |
6347 | qsort (array, debug_information [i].num_loc_offsets, |
6348 | sizeof (*array), loc_offsets_compar); | |
6349 | } | |
19e6b90e | 6350 | |
9f272209 | 6351 | int adjacent_view_loclists = 1; |
51d0d03f | 6352 | for (k = 0; k < debug_information [i].num_loc_offsets; k++) |
19e6b90e | 6353 | { |
51d0d03f JJ |
6354 | j = locs_sorted ? k : array[k]; |
6355 | if (k | |
9f272209 | 6356 | && (debug_information [i].loc_offsets [locs_sorted |
51d0d03f | 6357 | ? k - 1 : array [k - 1]] |
9f272209 AO |
6358 | == debug_information [i].loc_offsets [j]) |
6359 | && (debug_information [i].loc_views [locs_sorted | |
6360 | ? k - 1 : array [k - 1]] | |
6361 | == debug_information [i].loc_views [j])) | |
51d0d03f | 6362 | continue; |
19e6b90e | 6363 | has_frame_base = debug_information [i].have_frame_base [j]; |
d493b283 | 6364 | offset = debug_information [i].loc_offsets [j]; |
19e6b90e | 6365 | next = section_begin + offset; |
9f272209 AO |
6366 | voffset = debug_information [i].loc_views [j]; |
6367 | if (voffset != vm1) | |
6368 | vnext = section_begin + voffset; | |
6369 | else | |
6370 | vnext = NULL; | |
19e6b90e L |
6371 | base_address = debug_information [i].base_address; |
6372 | ||
9f272209 AO |
6373 | if (vnext && vnext < next) |
6374 | { | |
6375 | vstart = vnext; | |
6376 | display_view_pair_list (section, &vstart, i, next); | |
6377 | if (start == vnext) | |
6378 | start = vstart; | |
6379 | } | |
6380 | ||
6381 | if (!seen_first_offset || !adjacent_view_loclists) | |
19e6b90e L |
6382 | seen_first_offset = 1; |
6383 | else | |
6384 | { | |
6385 | if (start < next) | |
6386 | warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e | 6387 | (unsigned long) (start - section_begin), |
c8071705 | 6388 | (unsigned long) offset); |
19e6b90e L |
6389 | else if (start > next) |
6390 | warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e | 6391 | (unsigned long) (start - section_begin), |
c8071705 | 6392 | (unsigned long) offset); |
19e6b90e L |
6393 | } |
6394 | start = next; | |
9f272209 | 6395 | vstart = vnext; |
19e6b90e L |
6396 | |
6397 | if (offset >= bytes) | |
6398 | { | |
6399 | warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"), | |
359ca075 | 6400 | (unsigned long) offset); |
19e6b90e L |
6401 | continue; |
6402 | } | |
6403 | ||
9f272209 AO |
6404 | if (vnext && voffset >= bytes) |
6405 | { | |
6406 | warn (_("View Offset 0x%lx is bigger than .debug_loc section size.\n"), | |
6407 | (unsigned long) voffset); | |
6408 | continue; | |
6409 | } | |
6410 | ||
77145576 JK |
6411 | if (!is_loclists) |
6412 | { | |
6413 | if (is_dwo) | |
6414 | display_loc_list_dwo (section, &start, i, offset, | |
9f272209 | 6415 | &vstart, has_frame_base); |
77145576 JK |
6416 | else |
6417 | display_loc_list (section, &start, i, offset, base_address, | |
9f272209 | 6418 | &vstart, has_frame_base); |
77145576 | 6419 | } |
b4eb7656 | 6420 | else |
77145576 JK |
6421 | { |
6422 | if (is_dwo) | |
6423 | warn (_("DWO is not yet supported.\n")); | |
6424 | else | |
6425 | display_loclists_list (section, &start, i, offset, base_address, | |
9f272209 AO |
6426 | &vstart, has_frame_base); |
6427 | } | |
6428 | ||
6429 | /* FIXME: this arrangement is quite simplistic. Nothing | |
6430 | requires locview lists to be adjacent to corresponding | |
6431 | loclists, and a single loclist could be augmented by | |
6432 | different locview lists, and vice-versa, unlikely as it | |
6433 | is that it would make sense to do so. Hopefully we'll | |
6434 | have view pair support built into loclists before we ever | |
6435 | need to address all these possibilities. */ | |
6436 | if (adjacent_view_loclists && vnext | |
6437 | && vnext != start && vstart != next) | |
6438 | { | |
6439 | adjacent_view_loclists = 0; | |
6440 | warn (_("Hole and overlap detection requires adjacent view lists and loclists.\n")); | |
77145576 | 6441 | } |
9f272209 AO |
6442 | |
6443 | if (vnext && vnext == start) | |
6444 | display_view_pair_list (section, &start, i, vstart); | |
19e6b90e L |
6445 | } |
6446 | } | |
031cd65f | 6447 | |
4723351a | 6448 | if (start < section->start + section->size) |
d3a49aa8 AM |
6449 | warn (ngettext ("There is %ld unused byte at the end of section %s\n", |
6450 | "There are %ld unused bytes at the end of section %s\n", | |
6451 | (long) (section->start + section->size - start)), | |
4723351a | 6452 | (long) (section->start + section->size - start), section->name); |
98fb390a | 6453 | putchar ('\n'); |
51d0d03f | 6454 | free (array); |
19e6b90e L |
6455 | return 1; |
6456 | } | |
6457 | ||
6458 | static int | |
6459 | display_debug_str (struct dwarf_section *section, | |
6460 | void *file ATTRIBUTE_UNUSED) | |
6461 | { | |
6462 | unsigned char *start = section->start; | |
6463 | unsigned long bytes = section->size; | |
6464 | dwarf_vma addr = section->address; | |
6465 | ||
6466 | if (bytes == 0) | |
6467 | { | |
6468 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6469 | return 0; | |
6470 | } | |
6471 | ||
dda8d76d | 6472 | introduce (section, FALSE); |
19e6b90e L |
6473 | |
6474 | while (bytes) | |
6475 | { | |
6476 | int j; | |
6477 | int k; | |
6478 | int lbytes; | |
6479 | ||
6480 | lbytes = (bytes > 16 ? 16 : bytes); | |
6481 | ||
6482 | printf (" 0x%8.8lx ", (unsigned long) addr); | |
6483 | ||
6484 | for (j = 0; j < 16; j++) | |
6485 | { | |
6486 | if (j < lbytes) | |
6487 | printf ("%2.2x", start[j]); | |
6488 | else | |
6489 | printf (" "); | |
6490 | ||
6491 | if ((j & 3) == 3) | |
6492 | printf (" "); | |
6493 | } | |
6494 | ||
6495 | for (j = 0; j < lbytes; j++) | |
6496 | { | |
6497 | k = start[j]; | |
6498 | if (k >= ' ' && k < 0x80) | |
6499 | printf ("%c", k); | |
6500 | else | |
6501 | printf ("."); | |
6502 | } | |
6503 | ||
6504 | putchar ('\n'); | |
6505 | ||
6506 | start += lbytes; | |
6507 | addr += lbytes; | |
6508 | bytes -= lbytes; | |
6509 | } | |
6510 | ||
6511 | putchar ('\n'); | |
6512 | ||
6513 | return 1; | |
6514 | } | |
6515 | ||
19e6b90e L |
6516 | static int |
6517 | display_debug_info (struct dwarf_section *section, void *file) | |
6518 | { | |
d85bf2ba | 6519 | return process_debug_info (section, file, section->abbrev_sec, FALSE, FALSE); |
19e6b90e L |
6520 | } |
6521 | ||
2b6f5997 CC |
6522 | static int |
6523 | display_debug_types (struct dwarf_section *section, void *file) | |
6524 | { | |
d85bf2ba | 6525 | return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE); |
6f875884 TG |
6526 | } |
6527 | ||
6528 | static int | |
6529 | display_trace_info (struct dwarf_section *section, void *file) | |
6530 | { | |
d85bf2ba | 6531 | return process_debug_info (section, file, section->abbrev_sec, FALSE, TRUE); |
2b6f5997 | 6532 | } |
19e6b90e L |
6533 | |
6534 | static int | |
6535 | display_debug_aranges (struct dwarf_section *section, | |
6536 | void *file ATTRIBUTE_UNUSED) | |
6537 | { | |
6538 | unsigned char *start = section->start; | |
6539 | unsigned char *end = start + section->size; | |
6540 | ||
dda8d76d | 6541 | introduce (section, FALSE); |
19e6b90e | 6542 | |
6e3d6dc1 NC |
6543 | /* It does not matter if this load fails, |
6544 | we test for that later on. */ | |
6545 | load_debug_info (file); | |
6546 | ||
19e6b90e L |
6547 | while (start < end) |
6548 | { | |
6549 | unsigned char *hdrptr; | |
6550 | DWARF2_Internal_ARange arange; | |
91d6fa6a | 6551 | unsigned char *addr_ranges; |
2d9472a2 NC |
6552 | dwarf_vma length; |
6553 | dwarf_vma address; | |
e98fdf1a | 6554 | unsigned long sec_off; |
53b8873b | 6555 | unsigned char address_size; |
19e6b90e | 6556 | int excess; |
bf5117e3 NC |
6557 | unsigned int offset_size; |
6558 | unsigned int initial_length_size; | |
19e6b90e L |
6559 | |
6560 | hdrptr = start; | |
6561 | ||
0c588247 | 6562 | SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 4, end); |
19e6b90e L |
6563 | if (arange.ar_length == 0xffffffff) |
6564 | { | |
0c588247 | 6565 | SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 8, end); |
19e6b90e L |
6566 | offset_size = 8; |
6567 | initial_length_size = 12; | |
6568 | } | |
6569 | else | |
6570 | { | |
6571 | offset_size = 4; | |
6572 | initial_length_size = 4; | |
6573 | } | |
6574 | ||
e98fdf1a AM |
6575 | sec_off = hdrptr - section->start; |
6576 | if (sec_off + arange.ar_length < sec_off | |
6577 | || sec_off + arange.ar_length > section->size) | |
6578 | { | |
6579 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), | |
6580 | section->name, | |
6581 | sec_off - initial_length_size, | |
6582 | dwarf_vmatoa ("x", arange.ar_length)); | |
6583 | break; | |
6584 | } | |
6585 | ||
0c588247 NC |
6586 | SAFE_BYTE_GET_AND_INC (arange.ar_version, hdrptr, 2, end); |
6587 | SAFE_BYTE_GET_AND_INC (arange.ar_info_offset, hdrptr, offset_size, end); | |
19e6b90e | 6588 | |
6e3d6dc1 NC |
6589 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE |
6590 | && num_debug_info_entries > 0 | |
6591 | && find_debug_info_for_offset (arange.ar_info_offset) == NULL) | |
6592 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), | |
47704ddf | 6593 | (unsigned long) arange.ar_info_offset, section->name); |
6e3d6dc1 | 6594 | |
0c588247 NC |
6595 | SAFE_BYTE_GET_AND_INC (arange.ar_pointer_size, hdrptr, 1, end); |
6596 | SAFE_BYTE_GET_AND_INC (arange.ar_segment_size, hdrptr, 1, end); | |
19e6b90e L |
6597 | |
6598 | if (arange.ar_version != 2 && arange.ar_version != 3) | |
6599 | { | |
67f101ee NC |
6600 | /* PR 19872: A version number of 0 probably means that there is |
6601 | padding at the end of the .debug_aranges section. Gold puts | |
6602 | it there when performing an incremental link, for example. | |
6603 | So do not generate a warning in this case. */ | |
6604 | if (arange.ar_version) | |
6605 | warn (_("Only DWARF 2 and 3 aranges are currently supported.\n")); | |
19e6b90e L |
6606 | break; |
6607 | } | |
6608 | ||
47704ddf KT |
6609 | printf (_(" Length: %ld\n"), |
6610 | (long) arange.ar_length); | |
19e6b90e | 6611 | printf (_(" Version: %d\n"), arange.ar_version); |
47704ddf KT |
6612 | printf (_(" Offset into .debug_info: 0x%lx\n"), |
6613 | (unsigned long) arange.ar_info_offset); | |
19e6b90e L |
6614 | printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size); |
6615 | printf (_(" Segment Size: %d\n"), arange.ar_segment_size); | |
6616 | ||
53b8873b NC |
6617 | address_size = arange.ar_pointer_size + arange.ar_segment_size; |
6618 | ||
f41e4712 NC |
6619 | /* PR 17512: file: 001-108546-0.001:0.1. */ |
6620 | if (address_size == 0 || address_size > 8) | |
b3681d67 L |
6621 | { |
6622 | error (_("Invalid address size in %s section!\n"), | |
6623 | section->name); | |
6624 | break; | |
6625 | } | |
6626 | ||
53b8873b NC |
6627 | /* The DWARF spec does not require that the address size be a power |
6628 | of two, but we do. This will have to change if we ever encounter | |
6629 | an uneven architecture. */ | |
6630 | if ((address_size & (address_size - 1)) != 0) | |
6631 | { | |
6632 | warn (_("Pointer size + Segment size is not a power of two.\n")); | |
6633 | break; | |
6634 | } | |
cecf136e | 6635 | |
209c9a13 NC |
6636 | if (address_size > 4) |
6637 | printf (_("\n Address Length\n")); | |
6638 | else | |
6639 | printf (_("\n Address Length\n")); | |
19e6b90e | 6640 | |
91d6fa6a | 6641 | addr_ranges = hdrptr; |
19e6b90e | 6642 | |
53b8873b NC |
6643 | /* Must pad to an alignment boundary that is twice the address size. */ |
6644 | excess = (hdrptr - start) % (2 * address_size); | |
19e6b90e | 6645 | if (excess) |
91d6fa6a | 6646 | addr_ranges += (2 * address_size) - excess; |
19e6b90e | 6647 | |
e98fdf1a | 6648 | start += arange.ar_length + initial_length_size; |
1617e571 | 6649 | |
91d6fa6a | 6650 | while (addr_ranges + 2 * address_size <= start) |
19e6b90e | 6651 | { |
0c588247 NC |
6652 | SAFE_BYTE_GET_AND_INC (address, addr_ranges, address_size, end); |
6653 | SAFE_BYTE_GET_AND_INC (length, addr_ranges, address_size, end); | |
19e6b90e | 6654 | |
80c35038 | 6655 | printf (" "); |
2d9472a2 NC |
6656 | print_dwarf_vma (address, address_size); |
6657 | print_dwarf_vma (length, address_size); | |
6658 | putchar ('\n'); | |
19e6b90e | 6659 | } |
19e6b90e L |
6660 | } |
6661 | ||
6662 | printf ("\n"); | |
6663 | ||
6664 | return 1; | |
6665 | } | |
6666 | ||
4723351a CC |
6667 | /* Comparison function for qsort. */ |
6668 | static int | |
6669 | comp_addr_base (const void * v0, const void * v1) | |
6670 | { | |
d367307b AM |
6671 | debug_info *info0 = *(debug_info **) v0; |
6672 | debug_info *info1 = *(debug_info **) v1; | |
4723351a CC |
6673 | return info0->addr_base - info1->addr_base; |
6674 | } | |
6675 | ||
6676 | /* Display the debug_addr section. */ | |
6677 | static int | |
6678 | display_debug_addr (struct dwarf_section *section, | |
b4eb7656 | 6679 | void *file) |
4723351a CC |
6680 | { |
6681 | debug_info **debug_addr_info; | |
6682 | unsigned char *entry; | |
6683 | unsigned char *end; | |
6684 | unsigned int i; | |
6685 | unsigned int count; | |
6686 | ||
6687 | if (section->size == 0) | |
6688 | { | |
6689 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6690 | return 0; | |
6691 | } | |
6692 | ||
6693 | if (load_debug_info (file) == 0) | |
6694 | { | |
6695 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
6696 | section->name); | |
6697 | return 0; | |
6698 | } | |
6699 | ||
dda8d76d | 6700 | introduce (section, FALSE); |
4723351a | 6701 | |
1306a742 NC |
6702 | /* PR 17531: file: cf38d01b. |
6703 | We use xcalloc because a corrupt file may not have initialised all of the | |
6704 | fields in the debug_info structure, which means that the sort below might | |
6705 | try to move uninitialised data. */ | |
6706 | debug_addr_info = (debug_info **) xcalloc ((num_debug_info_entries + 1), | |
b4eb7656 | 6707 | sizeof (debug_info *)); |
4723351a CC |
6708 | |
6709 | count = 0; | |
6710 | for (i = 0; i < num_debug_info_entries; i++) | |
82b1b41b | 6711 | if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE) |
1306a742 NC |
6712 | { |
6713 | /* PR 17531: file: cf38d01b. */ | |
6714 | if (debug_information[i].addr_base >= section->size) | |
6715 | warn (_("Corrupt address base (%lx) found in debug section %u\n"), | |
6716 | (unsigned long) debug_information[i].addr_base, i); | |
6717 | else | |
6718 | debug_addr_info [count++] = debug_information + i; | |
6719 | } | |
4723351a CC |
6720 | |
6721 | /* Add a sentinel to make iteration convenient. */ | |
6722 | debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info)); | |
6723 | debug_addr_info [count]->addr_base = section->size; | |
4723351a | 6724 | qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base); |
1306a742 | 6725 | |
4723351a CC |
6726 | for (i = 0; i < count; i++) |
6727 | { | |
6728 | unsigned int idx; | |
fab128ef | 6729 | unsigned int address_size = debug_addr_info [i]->pointer_size; |
4723351a CC |
6730 | |
6731 | printf (_(" For compilation unit at offset 0x%s:\n"), | |
b4eb7656 | 6732 | dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset)); |
4723351a | 6733 | |
fab128ef | 6734 | printf (_("\tIndex\tAddress\n")); |
4723351a CC |
6735 | entry = section->start + debug_addr_info [i]->addr_base; |
6736 | end = section->start + debug_addr_info [i + 1]->addr_base; | |
6737 | idx = 0; | |
6738 | while (entry < end) | |
b4eb7656 AM |
6739 | { |
6740 | dwarf_vma base = byte_get (entry, address_size); | |
6741 | printf (_("\t%d:\t"), idx); | |
6742 | print_dwarf_vma (base, address_size); | |
6743 | printf ("\n"); | |
6744 | entry += address_size; | |
6745 | idx++; | |
6746 | } | |
4723351a CC |
6747 | } |
6748 | printf ("\n"); | |
6749 | ||
6750 | free (debug_addr_info); | |
6751 | return 1; | |
6752 | } | |
6753 | ||
6754 | /* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */ | |
24841daa | 6755 | |
4723351a CC |
6756 | static int |
6757 | display_debug_str_offsets (struct dwarf_section *section, | |
b4eb7656 | 6758 | void *file ATTRIBUTE_UNUSED) |
4723351a CC |
6759 | { |
6760 | if (section->size == 0) | |
6761 | { | |
6762 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6763 | return 0; | |
6764 | } | |
6765 | /* TODO: Dump the contents. This is made somewhat difficult by not knowing | |
6766 | what the offset size is for this section. */ | |
6767 | return 1; | |
6768 | } | |
6769 | ||
01a8f077 JK |
6770 | /* Each debug_information[x].range_lists[y] gets this representation for |
6771 | sorting purposes. */ | |
6772 | ||
6773 | struct range_entry | |
467c65bc NC |
6774 | { |
6775 | /* The debug_information[x].range_lists[y] value. */ | |
359ca075 | 6776 | dwarf_vma ranges_offset; |
01a8f077 | 6777 | |
467c65bc NC |
6778 | /* Original debug_information to find parameters of the data. */ |
6779 | debug_info *debug_info_p; | |
6780 | }; | |
01a8f077 JK |
6781 | |
6782 | /* Sort struct range_entry in ascending order of its RANGES_OFFSET. */ | |
6783 | ||
6784 | static int | |
6785 | range_entry_compar (const void *ap, const void *bp) | |
6786 | { | |
3f5e193b NC |
6787 | const struct range_entry *a_re = (const struct range_entry *) ap; |
6788 | const struct range_entry *b_re = (const struct range_entry *) bp; | |
359ca075 JK |
6789 | const dwarf_vma a = a_re->ranges_offset; |
6790 | const dwarf_vma b = b_re->ranges_offset; | |
01a8f077 JK |
6791 | |
6792 | return (a > b) - (b > a); | |
6793 | } | |
6794 | ||
77145576 JK |
6795 | static void |
6796 | display_debug_ranges_list (unsigned char *start, unsigned char *finish, | |
6797 | unsigned int pointer_size, unsigned long offset, | |
6798 | unsigned long base_address) | |
6799 | { | |
6800 | while (start < finish) | |
6801 | { | |
6802 | dwarf_vma begin; | |
6803 | dwarf_vma end; | |
6804 | ||
6805 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
6806 | if (start >= finish) | |
6807 | break; | |
6808 | SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish); | |
6809 | ||
d11ae95e | 6810 | |
77145576 JK |
6811 | printf (" %8.8lx ", offset); |
6812 | ||
6813 | if (begin == 0 && end == 0) | |
6814 | { | |
6815 | printf (_("<End of list>\n")); | |
6816 | break; | |
6817 | } | |
6818 | ||
6819 | /* Check base address specifiers. */ | |
6820 | if (is_max_address (begin, pointer_size) | |
6821 | && !is_max_address (end, pointer_size)) | |
6822 | { | |
6823 | base_address = end; | |
6824 | print_dwarf_vma (begin, pointer_size); | |
6825 | print_dwarf_vma (end, pointer_size); | |
6826 | printf ("(base address)\n"); | |
6827 | continue; | |
6828 | } | |
6829 | ||
6830 | print_dwarf_vma (begin + base_address, pointer_size); | |
6831 | print_dwarf_vma (end + base_address, pointer_size); | |
6832 | ||
6833 | if (begin == end) | |
6834 | fputs (_("(start == end)"), stdout); | |
6835 | else if (begin > end) | |
6836 | fputs (_("(start > end)"), stdout); | |
6837 | ||
6838 | putchar ('\n'); | |
6839 | } | |
6840 | } | |
6841 | ||
6842 | static void | |
6843 | display_debug_rnglists_list (unsigned char *start, unsigned char *finish, | |
6844 | unsigned int pointer_size, unsigned long offset, | |
6845 | unsigned long base_address) | |
6846 | { | |
6847 | unsigned char *next = start; | |
6848 | ||
6849 | while (1) | |
6850 | { | |
6851 | unsigned long off = offset + (start - next); | |
6852 | enum dwarf_range_list_entry rlet; | |
9dfd0db9 JK |
6853 | /* Initialize it due to a false compiler warning. */ |
6854 | dwarf_vma begin = -1, length, end = -1; | |
77145576 JK |
6855 | |
6856 | if (start + 1 > finish) | |
6857 | { | |
6858 | warn (_("Range list starting at offset 0x%lx is not terminated.\n"), | |
6859 | offset); | |
6860 | break; | |
6861 | } | |
6862 | ||
6863 | printf (" %8.8lx ", off); | |
6864 | ||
6865 | SAFE_BYTE_GET_AND_INC (rlet, start, 1, finish); | |
6866 | ||
6867 | switch (rlet) | |
6868 | { | |
6869 | case DW_RLE_end_of_list: | |
6870 | printf (_("<End of list>\n")); | |
6871 | break; | |
6872 | case DW_RLE_base_address: | |
6873 | SAFE_BYTE_GET_AND_INC (base_address, start, pointer_size, finish); | |
6874 | print_dwarf_vma (base_address, pointer_size); | |
6875 | printf (_("(base address)\n")); | |
6876 | break; | |
6877 | case DW_RLE_start_length: | |
6878 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
cd30bcef | 6879 | READ_ULEB (length, start, finish); |
77145576 JK |
6880 | end = begin + length; |
6881 | break; | |
6882 | case DW_RLE_offset_pair: | |
cd30bcef AM |
6883 | READ_ULEB (begin, start, finish); |
6884 | READ_ULEB (end, start, finish); | |
77145576 JK |
6885 | break; |
6886 | case DW_RLE_start_end: | |
6887 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); | |
6888 | SAFE_BYTE_GET_AND_INC (end, start, pointer_size, finish); | |
6889 | break; | |
6890 | default: | |
6891 | error (_("Invalid range list entry type %d\n"), rlet); | |
6892 | rlet = DW_RLE_end_of_list; | |
6893 | break; | |
6894 | } | |
6895 | if (rlet == DW_RLE_end_of_list) | |
6896 | break; | |
6897 | if (rlet == DW_RLE_base_address) | |
6898 | continue; | |
6899 | ||
6900 | print_dwarf_vma (begin + base_address, pointer_size); | |
6901 | print_dwarf_vma (end + base_address, pointer_size); | |
6902 | ||
6903 | if (begin == end) | |
6904 | fputs (_("(start == end)"), stdout); | |
6905 | else if (begin > end) | |
6906 | fputs (_("(start > end)"), stdout); | |
6907 | ||
6908 | putchar ('\n'); | |
6909 | } | |
6910 | } | |
6911 | ||
19e6b90e L |
6912 | static int |
6913 | display_debug_ranges (struct dwarf_section *section, | |
6914 | void *file ATTRIBUTE_UNUSED) | |
6915 | { | |
6916 | unsigned char *start = section->start; | |
a2ff7a4b | 6917 | unsigned char *last_start = start; |
f6f0e17b | 6918 | unsigned long bytes = section->size; |
19e6b90e | 6919 | unsigned char *section_begin = start; |
f6f0e17b | 6920 | unsigned char *finish = start + bytes; |
01a8f077 JK |
6921 | unsigned int num_range_list, i; |
6922 | struct range_entry *range_entries, *range_entry_fill; | |
77145576 JK |
6923 | int is_rnglists = strstr (section->name, "debug_rnglists") != NULL; |
6924 | /* Initialize it due to a false compiler warning. */ | |
6925 | unsigned char address_size = 0; | |
19e6b90e | 6926 | |
19e6b90e L |
6927 | if (bytes == 0) |
6928 | { | |
6929 | printf (_("\nThe %s section is empty.\n"), section->name); | |
6930 | return 0; | |
6931 | } | |
6932 | ||
77145576 JK |
6933 | if (is_rnglists) |
6934 | { | |
6935 | dwarf_vma initial_length; | |
6936 | unsigned int initial_length_size; | |
6937 | unsigned char segment_selector_size; | |
6938 | unsigned int offset_size, offset_entry_count; | |
6939 | unsigned short version; | |
6940 | ||
6941 | /* Get and check the length of the block. */ | |
6942 | SAFE_BYTE_GET_AND_INC (initial_length, start, 4, finish); | |
6943 | ||
6944 | if (initial_length == 0xffffffff) | |
6945 | { | |
6946 | /* This section is 64-bit DWARF 3. */ | |
6947 | SAFE_BYTE_GET_AND_INC (initial_length, start, 8, finish); | |
6948 | offset_size = 8; | |
6949 | initial_length_size = 12; | |
6950 | } | |
6951 | else | |
6952 | { | |
6953 | offset_size = 4; | |
6954 | initial_length_size = 4; | |
6955 | } | |
6956 | ||
6957 | if (initial_length + initial_length_size > section->size) | |
6958 | { | |
6959 | /* If the length field has a relocation against it, then we should | |
6960 | not complain if it is inaccurate (and probably negative). | |
6961 | It is copied from .debug_line handling code. */ | |
6962 | if (reloc_at (section, (start - section->start) - offset_size)) | |
6963 | { | |
6964 | initial_length = (finish - start) - initial_length_size; | |
6965 | } | |
6966 | else | |
6967 | { | |
6968 | warn (_("The length field (0x%lx) in the debug_rnglists header is wrong - the section is too small\n"), | |
6969 | (long) initial_length); | |
6970 | return 0; | |
6971 | } | |
6972 | } | |
6973 | ||
6974 | /* Get and check the version number. */ | |
6975 | SAFE_BYTE_GET_AND_INC (version, start, 2, finish); | |
6976 | ||
6977 | if (version != 5) | |
6978 | { | |
6979 | warn (_("Only DWARF version 5 debug_rnglists info " | |
6980 | "is currently supported.\n")); | |
6981 | return 0; | |
6982 | } | |
6983 | ||
6984 | SAFE_BYTE_GET_AND_INC (address_size, start, 1, finish); | |
6985 | ||
6986 | SAFE_BYTE_GET_AND_INC (segment_selector_size, start, 1, finish); | |
6987 | if (segment_selector_size != 0) | |
6988 | { | |
6989 | warn (_("The %s section contains " | |
6990 | "unsupported segment selector size: %d.\n"), | |
6991 | section->name, segment_selector_size); | |
6992 | return 0; | |
6993 | } | |
6994 | ||
6995 | SAFE_BYTE_GET_AND_INC (offset_entry_count, start, 4, finish); | |
6996 | if (offset_entry_count != 0) | |
6997 | { | |
6998 | warn (_("The %s section contains " | |
6999 | "unsupported offset entry count: %u.\n"), | |
7000 | section->name, offset_entry_count); | |
7001 | return 0; | |
7002 | } | |
7003 | } | |
7004 | ||
1febe64d NC |
7005 | if (load_debug_info (file) == 0) |
7006 | { | |
7007 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
7008 | section->name); | |
7009 | return 0; | |
7010 | } | |
19e6b90e | 7011 | |
01a8f077 | 7012 | num_range_list = 0; |
19e6b90e | 7013 | for (i = 0; i < num_debug_info_entries; i++) |
01a8f077 | 7014 | num_range_list += debug_information [i].num_range_lists; |
19e6b90e | 7015 | |
01a8f077 | 7016 | if (num_range_list == 0) |
4723351a CC |
7017 | { |
7018 | /* This can happen when the file was compiled with -gsplit-debug | |
b4eb7656 | 7019 | which removes references to range lists from the primary .o file. */ |
4723351a CC |
7020 | printf (_("No range lists in .debug_info section.\n")); |
7021 | return 1; | |
7022 | } | |
19e6b90e | 7023 | |
3f5e193b NC |
7024 | range_entries = (struct range_entry *) |
7025 | xmalloc (sizeof (*range_entries) * num_range_list); | |
01a8f077 | 7026 | range_entry_fill = range_entries; |
19e6b90e | 7027 | |
01a8f077 JK |
7028 | for (i = 0; i < num_debug_info_entries; i++) |
7029 | { | |
7030 | debug_info *debug_info_p = &debug_information[i]; | |
7031 | unsigned int j; | |
7032 | ||
7033 | for (j = 0; j < debug_info_p->num_range_lists; j++) | |
7034 | { | |
7035 | range_entry_fill->ranges_offset = debug_info_p->range_lists[j]; | |
7036 | range_entry_fill->debug_info_p = debug_info_p; | |
7037 | range_entry_fill++; | |
19e6b90e L |
7038 | } |
7039 | } | |
7040 | ||
01a8f077 JK |
7041 | qsort (range_entries, num_range_list, sizeof (*range_entries), |
7042 | range_entry_compar); | |
19e6b90e | 7043 | |
d493b283 | 7044 | if (dwarf_check != 0 && range_entries[0].ranges_offset != 0) |
19e6b90e | 7045 | warn (_("Range lists in %s section start at 0x%lx\n"), |
359ca075 | 7046 | section->name, (unsigned long) range_entries[0].ranges_offset); |
19e6b90e | 7047 | |
dda8d76d NC |
7048 | introduce (section, FALSE); |
7049 | ||
19e6b90e L |
7050 | printf (_(" Offset Begin End\n")); |
7051 | ||
01a8f077 | 7052 | for (i = 0; i < num_range_list; i++) |
19e6b90e | 7053 | { |
01a8f077 JK |
7054 | struct range_entry *range_entry = &range_entries[i]; |
7055 | debug_info *debug_info_p = range_entry->debug_info_p; | |
19e6b90e | 7056 | unsigned int pointer_size; |
359ca075 | 7057 | dwarf_vma offset; |
01a8f077 | 7058 | unsigned char *next; |
359ca075 | 7059 | dwarf_vma base_address; |
19e6b90e | 7060 | |
77145576 | 7061 | pointer_size = (is_rnglists ? address_size : debug_info_p->pointer_size); |
d493b283 | 7062 | offset = range_entry->ranges_offset; |
01a8f077 JK |
7063 | next = section_begin + offset; |
7064 | base_address = debug_info_p->base_address; | |
cecf136e | 7065 | |
f41e4712 NC |
7066 | /* PR 17512: file: 001-101485-0.001:0.1. */ |
7067 | if (pointer_size < 2 || pointer_size > 8) | |
7068 | { | |
7069 | warn (_("Corrupt pointer size (%d) in debug entry at offset %8.8lx\n"), | |
359ca075 | 7070 | pointer_size, (unsigned long) offset); |
f41e4712 NC |
7071 | continue; |
7072 | } | |
b4eb7656 | 7073 | |
d11ae95e NC |
7074 | if (next < section_begin || next >= finish) |
7075 | { | |
7076 | warn (_("Corrupt offset (%#8.8lx) in range entry %u\n"), | |
7077 | (unsigned long) offset, i); | |
7078 | continue; | |
7079 | } | |
7080 | ||
4723351a | 7081 | if (dwarf_check != 0 && i > 0) |
19e6b90e | 7082 | { |
01a8f077 JK |
7083 | if (start < next) |
7084 | warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"), | |
7085 | (unsigned long) (start - section_begin), | |
7086 | (unsigned long) (next - section_begin), section->name); | |
7087 | else if (start > next) | |
a2ff7a4b AM |
7088 | { |
7089 | if (next == last_start) | |
7090 | continue; | |
7091 | warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"), | |
7092 | (unsigned long) (start - section_begin), | |
7093 | (unsigned long) (next - section_begin), section->name); | |
7094 | } | |
01a8f077 | 7095 | } |
d11ae95e | 7096 | |
01a8f077 | 7097 | start = next; |
a2ff7a4b | 7098 | last_start = next; |
19e6b90e | 7099 | |
77145576 JK |
7100 | (is_rnglists ? display_debug_rnglists_list : display_debug_ranges_list) |
7101 | (start, finish, pointer_size, offset, base_address); | |
19e6b90e L |
7102 | } |
7103 | putchar ('\n'); | |
01a8f077 JK |
7104 | |
7105 | free (range_entries); | |
7106 | ||
19e6b90e L |
7107 | return 1; |
7108 | } | |
7109 | ||
7110 | typedef struct Frame_Chunk | |
7111 | { | |
7112 | struct Frame_Chunk *next; | |
7113 | unsigned char *chunk_start; | |
a1165289 | 7114 | unsigned int ncols; |
19e6b90e L |
7115 | /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */ |
7116 | short int *col_type; | |
7117 | int *col_offset; | |
7118 | char *augmentation; | |
7119 | unsigned int code_factor; | |
7120 | int data_factor; | |
bf5117e3 NC |
7121 | dwarf_vma pc_begin; |
7122 | dwarf_vma pc_range; | |
32ef3000 | 7123 | unsigned int cfa_reg; |
c8071705 | 7124 | dwarf_vma cfa_offset; |
a1165289 | 7125 | unsigned int ra; |
19e6b90e L |
7126 | unsigned char fde_encoding; |
7127 | unsigned char cfa_exp; | |
604282a7 JJ |
7128 | unsigned char ptr_size; |
7129 | unsigned char segment_size; | |
19e6b90e L |
7130 | } |
7131 | Frame_Chunk; | |
7132 | ||
1296bc99 AB |
7133 | typedef const char *(*dwarf_regname_lookup_ftype) (unsigned int); |
7134 | static dwarf_regname_lookup_ftype dwarf_regnames_lookup_func; | |
665ce1f6 L |
7135 | static const char *const *dwarf_regnames; |
7136 | static unsigned int dwarf_regnames_count; | |
7137 | ||
1296bc99 | 7138 | |
19e6b90e L |
7139 | /* A marker for a col_type that means this column was never referenced |
7140 | in the frame info. */ | |
7141 | #define DW_CFA_unreferenced (-1) | |
7142 | ||
a1165289 | 7143 | /* Return 0 if no more space is needed, 1 if more space is needed, |
665ce1f6 L |
7144 | -1 for invalid reg. */ |
7145 | ||
7146 | static int | |
7147 | frame_need_space (Frame_Chunk *fc, unsigned int reg) | |
19e6b90e | 7148 | { |
a1165289 | 7149 | unsigned int prev = fc->ncols; |
19e6b90e | 7150 | |
665ce1f6 L |
7151 | if (reg < (unsigned int) fc->ncols) |
7152 | return 0; | |
7153 | ||
d9acf707 | 7154 | if (dwarf_regnames_count > 0 |
665ce1f6 L |
7155 | && reg > dwarf_regnames_count) |
7156 | return -1; | |
19e6b90e L |
7157 | |
7158 | fc->ncols = reg + 1; | |
a1165289 NC |
7159 | /* PR 17512: file: 10450-2643-0.004. |
7160 | If reg == -1 then this can happen... */ | |
7161 | if (fc->ncols == 0) | |
7162 | return -1; | |
7163 | ||
06614111 | 7164 | /* PR 17512: file: 2844a11d. */ |
d9acf707 | 7165 | if (fc->ncols > 1024 && dwarf_regnames_count == 0) |
06614111 NC |
7166 | { |
7167 | error (_("Unfeasibly large register number: %u\n"), reg); | |
7168 | fc->ncols = 0; | |
7169 | /* FIXME: 1024 is an arbitrary limit. Increase it if | |
7170 | we ever encounter a valid binary that exceeds it. */ | |
7171 | return -1; | |
7172 | } | |
7173 | ||
3f5e193b | 7174 | fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols, |
b4eb7656 | 7175 | sizeof (short int)); |
3f5e193b | 7176 | fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int)); |
b4eb7656 | 7177 | /* PR 17512: file:002-10025-0.005. */ |
041830e0 NC |
7178 | if (fc->col_type == NULL || fc->col_offset == NULL) |
7179 | { | |
7180 | error (_("Out of memory allocating %u columns in dwarf frame arrays\n"), | |
7181 | fc->ncols); | |
7182 | fc->ncols = 0; | |
7183 | return -1; | |
7184 | } | |
19e6b90e L |
7185 | |
7186 | while (prev < fc->ncols) | |
7187 | { | |
7188 | fc->col_type[prev] = DW_CFA_unreferenced; | |
7189 | fc->col_offset[prev] = 0; | |
7190 | prev++; | |
7191 | } | |
665ce1f6 | 7192 | return 1; |
19e6b90e L |
7193 | } |
7194 | ||
2dc4cec1 L |
7195 | static const char *const dwarf_regnames_i386[] = |
7196 | { | |
43234a1e L |
7197 | "eax", "ecx", "edx", "ebx", /* 0 - 3 */ |
7198 | "esp", "ebp", "esi", "edi", /* 4 - 7 */ | |
7199 | "eip", "eflags", NULL, /* 8 - 10 */ | |
7200 | "st0", "st1", "st2", "st3", /* 11 - 14 */ | |
7201 | "st4", "st5", "st6", "st7", /* 15 - 18 */ | |
7202 | NULL, NULL, /* 19 - 20 */ | |
7203 | "xmm0", "xmm1", "xmm2", "xmm3", /* 21 - 24 */ | |
7204 | "xmm4", "xmm5", "xmm6", "xmm7", /* 25 - 28 */ | |
7205 | "mm0", "mm1", "mm2", "mm3", /* 29 - 32 */ | |
7206 | "mm4", "mm5", "mm6", "mm7", /* 33 - 36 */ | |
7207 | "fcw", "fsw", "mxcsr", /* 37 - 39 */ | |
7208 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */ | |
7209 | "tr", "ldtr", /* 48 - 49 */ | |
7210 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */ | |
7211 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */ | |
7212 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */ | |
7213 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */ | |
7214 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */ | |
7215 | NULL, NULL, NULL, /* 90 - 92 */ | |
7216 | "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" /* 93 - 100 */ | |
2dc4cec1 L |
7217 | }; |
7218 | ||
3d875af5 L |
7219 | static const char *const dwarf_regnames_iamcu[] = |
7220 | { | |
7221 | "eax", "ecx", "edx", "ebx", /* 0 - 3 */ | |
7222 | "esp", "ebp", "esi", "edi", /* 4 - 7 */ | |
7223 | "eip", "eflags", NULL, /* 8 - 10 */ | |
7224 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 11 - 18 */ | |
7225 | NULL, NULL, /* 19 - 20 */ | |
7226 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 21 - 28 */ | |
7227 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 29 - 36 */ | |
7228 | NULL, NULL, NULL, /* 37 - 39 */ | |
7229 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */ | |
7230 | "tr", "ldtr", /* 48 - 49 */ | |
7231 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */ | |
7232 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */ | |
7233 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */ | |
7234 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */ | |
7235 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */ | |
7236 | NULL, NULL, NULL, /* 90 - 92 */ | |
7237 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL /* 93 - 100 */ | |
7238 | }; | |
7239 | ||
99f6fdd9 | 7240 | static void |
b129eb0e RH |
7241 | init_dwarf_regnames_i386 (void) |
7242 | { | |
7243 | dwarf_regnames = dwarf_regnames_i386; | |
7244 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386); | |
1296bc99 | 7245 | dwarf_regnames_lookup_func = regname_internal_by_table_only; |
b129eb0e RH |
7246 | } |
7247 | ||
99f6fdd9 | 7248 | static void |
3d875af5 L |
7249 | init_dwarf_regnames_iamcu (void) |
7250 | { | |
7251 | dwarf_regnames = dwarf_regnames_iamcu; | |
7252 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_iamcu); | |
1296bc99 | 7253 | dwarf_regnames_lookup_func = regname_internal_by_table_only; |
3d875af5 L |
7254 | } |
7255 | ||
2dc4cec1 L |
7256 | static const char *const dwarf_regnames_x86_64[] = |
7257 | { | |
7258 | "rax", "rdx", "rcx", "rbx", | |
7259 | "rsi", "rdi", "rbp", "rsp", | |
7260 | "r8", "r9", "r10", "r11", | |
7261 | "r12", "r13", "r14", "r15", | |
7262 | "rip", | |
7263 | "xmm0", "xmm1", "xmm2", "xmm3", | |
7264 | "xmm4", "xmm5", "xmm6", "xmm7", | |
7265 | "xmm8", "xmm9", "xmm10", "xmm11", | |
7266 | "xmm12", "xmm13", "xmm14", "xmm15", | |
7267 | "st0", "st1", "st2", "st3", | |
7268 | "st4", "st5", "st6", "st7", | |
7269 | "mm0", "mm1", "mm2", "mm3", | |
7270 | "mm4", "mm5", "mm6", "mm7", | |
7271 | "rflags", | |
7272 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, | |
7273 | "fs.base", "gs.base", NULL, NULL, | |
7274 | "tr", "ldtr", | |
43234a1e L |
7275 | "mxcsr", "fcw", "fsw", |
7276 | "xmm16", "xmm17", "xmm18", "xmm19", | |
7277 | "xmm20", "xmm21", "xmm22", "xmm23", | |
7278 | "xmm24", "xmm25", "xmm26", "xmm27", | |
7279 | "xmm28", "xmm29", "xmm30", "xmm31", | |
7280 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 83 - 90 */ | |
7281 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 91 - 98 */ | |
7282 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 99 - 106 */ | |
7283 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 107 - 114 */ | |
7284 | NULL, NULL, NULL, /* 115 - 117 */ | |
7285 | "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" | |
2dc4cec1 L |
7286 | }; |
7287 | ||
99f6fdd9 | 7288 | static void |
b129eb0e RH |
7289 | init_dwarf_regnames_x86_64 (void) |
7290 | { | |
7291 | dwarf_regnames = dwarf_regnames_x86_64; | |
7292 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64); | |
1296bc99 | 7293 | dwarf_regnames_lookup_func = regname_internal_by_table_only; |
b129eb0e RH |
7294 | } |
7295 | ||
4ee22035 RH |
7296 | static const char *const dwarf_regnames_aarch64[] = |
7297 | { | |
b4eb7656 AM |
7298 | "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", |
7299 | "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", | |
4ee22035 RH |
7300 | "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23", |
7301 | "x24", "x25", "x26", "x27", "x28", "x29", "x30", "sp", | |
7302 | NULL, "elr", NULL, NULL, NULL, NULL, NULL, NULL, | |
fab7c86e TC |
7303 | NULL, NULL, NULL, NULL, NULL, NULL, "vg", "ffr", |
7304 | "p0", "p1", "p2", "p3", "p4", "p5", "p6", "p7", | |
7305 | "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", | |
b4eb7656 AM |
7306 | "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", |
7307 | "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", | |
4ee22035 RH |
7308 | "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", |
7309 | "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", | |
fab7c86e TC |
7310 | "z0", "z1", "z2", "z3", "z4", "z5", "z6", "z7", |
7311 | "z8", "z9", "z10", "z11", "z12", "z13", "z14", "z15", | |
7312 | "z16", "z17", "z18", "z19", "z20", "z21", "z22", "z23", | |
7313 | "z24", "z25", "z26", "z27", "z28", "z29", "z30", "z31", | |
4ee22035 RH |
7314 | }; |
7315 | ||
99f6fdd9 | 7316 | static void |
4ee22035 RH |
7317 | init_dwarf_regnames_aarch64 (void) |
7318 | { | |
7319 | dwarf_regnames = dwarf_regnames_aarch64; | |
7320 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_aarch64); | |
1296bc99 | 7321 | dwarf_regnames_lookup_func = regname_internal_by_table_only; |
4ee22035 RH |
7322 | } |
7323 | ||
d6bb17b0 AA |
7324 | static const char *const dwarf_regnames_s390[] = |
7325 | { | |
7326 | /* Avoid saying "r5 (r5)", so omit the names of r0-r15. */ | |
7327 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7328 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
7329 | "f0", "f2", "f4", "f6", "f1", "f3", "f5", "f7", | |
7330 | "f8", "f10", "f12", "f14", "f9", "f11", "f13", "f15", | |
7331 | "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7", | |
7332 | "cr8", "cr9", "cr10", "cr11", "cr12", "cr13", "cr14", "cr15", | |
7333 | "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", | |
7334 | "a8", "a9", "a10", "a11", "a12", "a13", "a14", "a15", | |
7335 | "pswm", "pswa", | |
7336 | NULL, NULL, | |
7337 | "v16", "v18", "v20", "v22", "v17", "v19", "v21", "v23", | |
7338 | "v24", "v26", "v28", "v30", "v25", "v27", "v29", "v31", | |
7339 | }; | |
7340 | ||
99f6fdd9 | 7341 | static void |
d6bb17b0 AA |
7342 | init_dwarf_regnames_s390 (void) |
7343 | { | |
7344 | dwarf_regnames = dwarf_regnames_s390; | |
7345 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_s390); | |
1296bc99 | 7346 | dwarf_regnames_lookup_func = regname_internal_by_table_only; |
d6bb17b0 AA |
7347 | } |
7348 | ||
5bb0830d AB |
7349 | static const char *const dwarf_regnames_riscv[] = |
7350 | { | |
7351 | "zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", /* 0 - 7 */ | |
7352 | "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", /* 8 - 15 */ | |
7353 | "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", /* 16 - 23 */ | |
7354 | "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", /* 24 - 31 */ | |
7355 | "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", /* 32 - 39 */ | |
7356 | "fs0", "fs1", /* 40 - 41 */ | |
7357 | "fa0", "fa1", "fa2", "fa3", "fa4", "fa5", "fa6", "fa7", /* 42 - 49 */ | |
7358 | "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", "fs8", "fs9", /* 50 - 57 */ | |
7359 | "fs10", "fs11", /* 58 - 59 */ | |
7360 | "ft8", "ft9", "ft10", "ft11" /* 60 - 63 */ | |
7361 | }; | |
7362 | ||
4762fe62 AB |
7363 | /* A RISC-V replacement for REGNAME_INTERNAL_BY_TABLE_ONLY which handles |
7364 | the large number of CSRs. */ | |
7365 | ||
7366 | static const char * | |
7367 | regname_internal_riscv (unsigned int regno) | |
7368 | { | |
7369 | const char *name = NULL; | |
7370 | ||
7371 | /* Lookup in the table first, this covers GPR and FPR. */ | |
7372 | if (regno < ARRAY_SIZE (dwarf_regnames_riscv)) | |
7373 | name = dwarf_regnames_riscv [regno]; | |
7374 | else if (regno >= 4096 && regno <= 8191) | |
7375 | { | |
7376 | /* This might be a CSR, these live in a sparse number space from 4096 | |
7377 | to 8191 These numbers are defined in the RISC-V ELF ABI | |
7378 | document. */ | |
7379 | switch (regno) | |
7380 | { | |
bd0cf5a6 | 7381 | #define DECLARE_CSR(NAME,VALUE,CLASS) case VALUE + 4096: name = #NAME; break; |
4762fe62 AB |
7382 | #include "opcode/riscv-opc.h" |
7383 | #undef DECLARE_CSR | |
7384 | ||
7385 | default: | |
7386 | { | |
7387 | static char csr_name[10]; | |
7388 | snprintf (csr_name, sizeof (csr_name), "csr%d", (regno - 4096)); | |
7389 | name = csr_name; | |
7390 | } | |
7391 | break; | |
7392 | } | |
7393 | } | |
7394 | ||
7395 | return name; | |
7396 | } | |
7397 | ||
99f6fdd9 | 7398 | static void |
5bb0830d AB |
7399 | init_dwarf_regnames_riscv (void) |
7400 | { | |
4762fe62 AB |
7401 | dwarf_regnames = NULL; |
7402 | dwarf_regnames_count = 8192; | |
7403 | dwarf_regnames_lookup_func = regname_internal_riscv; | |
5bb0830d AB |
7404 | } |
7405 | ||
2dc4cec1 | 7406 | void |
955ff7fc | 7407 | init_dwarf_regnames_by_elf_machine_code (unsigned int e_machine) |
2dc4cec1 | 7408 | { |
1296bc99 AB |
7409 | dwarf_regnames_lookup_func = NULL; |
7410 | ||
2dc4cec1 L |
7411 | switch (e_machine) |
7412 | { | |
7413 | case EM_386: | |
b129eb0e | 7414 | init_dwarf_regnames_i386 (); |
2dc4cec1 L |
7415 | break; |
7416 | ||
3d875af5 L |
7417 | case EM_IAMCU: |
7418 | init_dwarf_regnames_iamcu (); | |
7419 | break; | |
7420 | ||
2dc4cec1 | 7421 | case EM_X86_64: |
7f502d6c | 7422 | case EM_L1OM: |
7a9068fe | 7423 | case EM_K1OM: |
b129eb0e | 7424 | init_dwarf_regnames_x86_64 (); |
2dc4cec1 L |
7425 | break; |
7426 | ||
4ee22035 RH |
7427 | case EM_AARCH64: |
7428 | init_dwarf_regnames_aarch64 (); | |
7429 | break; | |
7430 | ||
d6bb17b0 AA |
7431 | case EM_S390: |
7432 | init_dwarf_regnames_s390 (); | |
7433 | break; | |
7434 | ||
5bb0830d AB |
7435 | case EM_RISCV: |
7436 | init_dwarf_regnames_riscv (); | |
7437 | break; | |
7438 | ||
2dc4cec1 L |
7439 | default: |
7440 | break; | |
7441 | } | |
7442 | } | |
7443 | ||
229a22cf AB |
7444 | /* Initialize the DWARF register name lookup state based on the |
7445 | architecture and specific machine type of a BFD. */ | |
7446 | ||
7447 | void | |
7448 | init_dwarf_regnames_by_bfd_arch_and_mach (enum bfd_architecture arch, | |
7449 | unsigned long mach) | |
7450 | { | |
1296bc99 AB |
7451 | dwarf_regnames_lookup_func = NULL; |
7452 | ||
229a22cf AB |
7453 | switch (arch) |
7454 | { | |
7455 | case bfd_arch_i386: | |
7456 | switch (mach) | |
7457 | { | |
7458 | case bfd_mach_x86_64: | |
7459 | case bfd_mach_x86_64_intel_syntax: | |
7460 | case bfd_mach_x86_64_nacl: | |
7461 | case bfd_mach_x64_32: | |
7462 | case bfd_mach_x64_32_intel_syntax: | |
7463 | case bfd_mach_x64_32_nacl: | |
7464 | init_dwarf_regnames_x86_64 (); | |
7465 | break; | |
7466 | ||
7467 | default: | |
7468 | init_dwarf_regnames_i386 (); | |
7469 | break; | |
7470 | } | |
7471 | break; | |
7472 | ||
7473 | case bfd_arch_iamcu: | |
7474 | init_dwarf_regnames_iamcu (); | |
7475 | break; | |
7476 | ||
7477 | case bfd_arch_aarch64: | |
7478 | init_dwarf_regnames_aarch64(); | |
7479 | break; | |
7480 | ||
7481 | case bfd_arch_s390: | |
7482 | init_dwarf_regnames_s390 (); | |
7483 | break; | |
7484 | ||
7485 | case bfd_arch_riscv: | |
7486 | init_dwarf_regnames_riscv (); | |
7487 | break; | |
7488 | ||
7489 | default: | |
7490 | break; | |
7491 | } | |
7492 | } | |
7493 | ||
2dc4cec1 | 7494 | static const char * |
1296bc99 | 7495 | regname_internal_by_table_only (unsigned int regno) |
2dc4cec1 | 7496 | { |
1296bc99 | 7497 | if (dwarf_regnames != NULL |
2dc4cec1 L |
7498 | && regno < dwarf_regnames_count |
7499 | && dwarf_regnames [regno] != NULL) | |
1296bc99 AB |
7500 | return dwarf_regnames [regno]; |
7501 | ||
7502 | return NULL; | |
7503 | } | |
7504 | ||
7505 | static const char * | |
7506 | regname (unsigned int regno, int name_only_p) | |
7507 | { | |
7508 | static char reg[64]; | |
7509 | ||
7510 | const char *name = NULL; | |
7511 | ||
7512 | if (dwarf_regnames_lookup_func != NULL) | |
7513 | name = dwarf_regnames_lookup_func (regno); | |
7514 | ||
7515 | if (name != NULL) | |
2dc4cec1 | 7516 | { |
1296bc99 AB |
7517 | if (name_only_p) |
7518 | return name; | |
7519 | snprintf (reg, sizeof (reg), "r%d (%s)", regno, name); | |
2dc4cec1 L |
7520 | } |
7521 | else | |
7522 | snprintf (reg, sizeof (reg), "r%d", regno); | |
7523 | return reg; | |
7524 | } | |
7525 | ||
19e6b90e | 7526 | static void |
a1165289 | 7527 | frame_display_row (Frame_Chunk *fc, int *need_col_headers, unsigned int *max_regs) |
19e6b90e | 7528 | { |
a1165289 | 7529 | unsigned int r; |
19e6b90e L |
7530 | char tmp[100]; |
7531 | ||
d8024a91 | 7532 | if (*max_regs != fc->ncols) |
19e6b90e L |
7533 | *max_regs = fc->ncols; |
7534 | ||
7535 | if (*need_col_headers) | |
7536 | { | |
91d6fa6a | 7537 | static const char *sloc = " LOC"; |
2dc4cec1 | 7538 | |
19e6b90e L |
7539 | *need_col_headers = 0; |
7540 | ||
91d6fa6a | 7541 | printf ("%-*s CFA ", eh_addr_size * 2, sloc); |
19e6b90e L |
7542 | |
7543 | for (r = 0; r < *max_regs; r++) | |
7544 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
7545 | { | |
7546 | if (r == fc->ra) | |
50751e18 | 7547 | printf ("ra "); |
19e6b90e | 7548 | else |
2dc4cec1 | 7549 | printf ("%-5s ", regname (r, 1)); |
19e6b90e L |
7550 | } |
7551 | ||
7552 | printf ("\n"); | |
7553 | } | |
7554 | ||
bf5117e3 | 7555 | print_dwarf_vma (fc->pc_begin, eh_addr_size); |
19e6b90e L |
7556 | if (fc->cfa_exp) |
7557 | strcpy (tmp, "exp"); | |
7558 | else | |
c8071705 | 7559 | sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), (int) fc->cfa_offset); |
19e6b90e L |
7560 | printf ("%-8s ", tmp); |
7561 | ||
7562 | for (r = 0; r < fc->ncols; r++) | |
7563 | { | |
7564 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
7565 | { | |
7566 | switch (fc->col_type[r]) | |
7567 | { | |
7568 | case DW_CFA_undefined: | |
7569 | strcpy (tmp, "u"); | |
7570 | break; | |
7571 | case DW_CFA_same_value: | |
7572 | strcpy (tmp, "s"); | |
7573 | break; | |
7574 | case DW_CFA_offset: | |
7575 | sprintf (tmp, "c%+d", fc->col_offset[r]); | |
7576 | break; | |
12eae2d3 JJ |
7577 | case DW_CFA_val_offset: |
7578 | sprintf (tmp, "v%+d", fc->col_offset[r]); | |
7579 | break; | |
19e6b90e | 7580 | case DW_CFA_register: |
2dc4cec1 | 7581 | sprintf (tmp, "%s", regname (fc->col_offset[r], 0)); |
19e6b90e L |
7582 | break; |
7583 | case DW_CFA_expression: | |
7584 | strcpy (tmp, "exp"); | |
7585 | break; | |
12eae2d3 JJ |
7586 | case DW_CFA_val_expression: |
7587 | strcpy (tmp, "vexp"); | |
7588 | break; | |
19e6b90e L |
7589 | default: |
7590 | strcpy (tmp, "n/a"); | |
7591 | break; | |
7592 | } | |
2dc4cec1 | 7593 | printf ("%-5s ", tmp); |
19e6b90e L |
7594 | } |
7595 | } | |
7596 | printf ("\n"); | |
7597 | } | |
7598 | ||
49727e46 | 7599 | #define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end) |
19e6b90e | 7600 | |
49727e46 AM |
7601 | static unsigned char * |
7602 | read_cie (unsigned char *start, unsigned char *end, | |
7603 | Frame_Chunk **p_cie, int *p_version, | |
bf59c5d5 | 7604 | bfd_size_type *p_aug_len, unsigned char **p_aug) |
49727e46 AM |
7605 | { |
7606 | int version; | |
7607 | Frame_Chunk *fc; | |
49727e46 | 7608 | unsigned char *augmentation_data = NULL; |
bf59c5d5 | 7609 | bfd_size_type augmentation_data_len = 0; |
49727e46 | 7610 | |
041830e0 | 7611 | * p_cie = NULL; |
f41e4712 NC |
7612 | /* PR 17512: file: 001-228113-0.004. */ |
7613 | if (start >= end) | |
7614 | return end; | |
7615 | ||
49727e46 AM |
7616 | fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
7617 | memset (fc, 0, sizeof (Frame_Chunk)); | |
7618 | ||
7619 | fc->col_type = (short int *) xmalloc (sizeof (short int)); | |
7620 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
7621 | ||
7622 | version = *start++; | |
7623 | ||
7624 | fc->augmentation = (char *) start; | |
f41e4712 NC |
7625 | /* PR 17512: file: 001-228113-0.004. |
7626 | Skip past augmentation name, but avoid running off the end of the data. */ | |
7627 | while (start < end) | |
7628 | if (* start ++ == '\0') | |
7629 | break; | |
7630 | if (start == end) | |
7631 | { | |
7632 | warn (_("No terminator for augmentation name\n")); | |
442a6ce8 | 7633 | goto fail; |
f41e4712 | 7634 | } |
49727e46 AM |
7635 | |
7636 | if (strcmp (fc->augmentation, "eh") == 0) | |
7637 | start += eh_addr_size; | |
7638 | ||
7639 | if (version >= 4) | |
7640 | { | |
7641 | GET (fc->ptr_size, 1); | |
77ef8654 NC |
7642 | if (fc->ptr_size < 1 || fc->ptr_size > 8) |
7643 | { | |
7644 | warn (_("Invalid pointer size (%d) in CIE data\n"), fc->ptr_size); | |
442a6ce8 | 7645 | goto fail; |
77ef8654 NC |
7646 | } |
7647 | ||
49727e46 | 7648 | GET (fc->segment_size, 1); |
77ef8654 NC |
7649 | /* PR 17512: file: e99d2804. */ |
7650 | if (fc->segment_size > 8 || fc->segment_size + fc->ptr_size > 8) | |
7651 | { | |
7652 | warn (_("Invalid segment size (%d) in CIE data\n"), fc->segment_size); | |
442a6ce8 | 7653 | goto fail; |
77ef8654 NC |
7654 | } |
7655 | ||
49727e46 AM |
7656 | eh_addr_size = fc->ptr_size; |
7657 | } | |
7658 | else | |
7659 | { | |
7660 | fc->ptr_size = eh_addr_size; | |
7661 | fc->segment_size = 0; | |
7662 | } | |
442a6ce8 | 7663 | |
cd30bcef AM |
7664 | READ_ULEB (fc->code_factor, start, end); |
7665 | READ_SLEB (fc->data_factor, start, end); | |
442a6ce8 | 7666 | |
49727e46 AM |
7667 | if (version == 1) |
7668 | { | |
7669 | GET (fc->ra, 1); | |
7670 | } | |
7671 | else | |
7672 | { | |
cd30bcef | 7673 | READ_ULEB (fc->ra, start, end); |
49727e46 AM |
7674 | } |
7675 | ||
7676 | if (fc->augmentation[0] == 'z') | |
7677 | { | |
cd30bcef | 7678 | READ_ULEB (augmentation_data_len, start, end); |
49727e46 | 7679 | augmentation_data = start; |
a1165289 | 7680 | /* PR 17512: file: 11042-2589-0.004. */ |
bf59c5d5 | 7681 | if (augmentation_data_len > (bfd_size_type) (end - start)) |
a1165289 | 7682 | { |
bf59c5d5 NC |
7683 | warn (_("Augmentation data too long: 0x%s, expected at most %#lx\n"), |
7684 | dwarf_vmatoa ("x", augmentation_data_len), | |
7685 | (unsigned long) (end - start)); | |
442a6ce8 | 7686 | goto fail; |
a1165289 | 7687 | } |
9c0f3d3f | 7688 | start += augmentation_data_len; |
49727e46 AM |
7689 | } |
7690 | ||
7691 | if (augmentation_data_len) | |
7692 | { | |
058037d3 NC |
7693 | unsigned char *p; |
7694 | unsigned char *q; | |
7695 | unsigned char *qend; | |
b4eb7656 | 7696 | |
49727e46 AM |
7697 | p = (unsigned char *) fc->augmentation + 1; |
7698 | q = augmentation_data; | |
058037d3 NC |
7699 | qend = q + augmentation_data_len; |
7700 | ||
9c0f3d3f | 7701 | while (p < end && q < qend) |
49727e46 AM |
7702 | { |
7703 | if (*p == 'L') | |
7704 | q++; | |
7705 | else if (*p == 'P') | |
7706 | q += 1 + size_of_encoded_value (*q); | |
7707 | else if (*p == 'R') | |
7708 | fc->fde_encoding = *q++; | |
7709 | else if (*p == 'S') | |
7710 | ; | |
09038062 ST |
7711 | else if (*p == 'B') |
7712 | ; | |
49727e46 AM |
7713 | else |
7714 | break; | |
7715 | p++; | |
7716 | } | |
c361b9ac NC |
7717 | /* Note - it is OK if this loop terminates with q < qend. |
7718 | Padding may have been inserted to align the end of the CIE. */ | |
49727e46 AM |
7719 | } |
7720 | ||
7721 | *p_cie = fc; | |
7722 | if (p_version) | |
7723 | *p_version = version; | |
7724 | if (p_aug_len) | |
7725 | { | |
7726 | *p_aug_len = augmentation_data_len; | |
7727 | *p_aug = augmentation_data; | |
7728 | } | |
7729 | return start; | |
442a6ce8 NC |
7730 | |
7731 | fail: | |
7732 | free (fc->col_offset); | |
7733 | free (fc->col_type); | |
7734 | free (fc); | |
7735 | return end; | |
49727e46 AM |
7736 | } |
7737 | ||
d85bf2ba NC |
7738 | /* Prints out the contents on the DATA array formatted as unsigned bytes. |
7739 | If do_wide is not enabled, then formats the output to fit into 80 columns. | |
7740 | PRINTED contains the number of characters already written to the current | |
7741 | output line. */ | |
bf59c5d5 NC |
7742 | |
7743 | static void | |
d85bf2ba NC |
7744 | display_data (bfd_size_type printed, |
7745 | const unsigned char * data, | |
7746 | const bfd_size_type len) | |
bf59c5d5 | 7747 | { |
d85bf2ba NC |
7748 | if (do_wide || len < ((80 - printed) / 3)) |
7749 | for (printed = 0; printed < len; ++printed) | |
7750 | printf (" %02x", data[printed]); | |
bf59c5d5 NC |
7751 | else |
7752 | { | |
d85bf2ba | 7753 | for (printed = 0; printed < len; ++printed) |
bf59c5d5 | 7754 | { |
d85bf2ba | 7755 | if (printed % (80 / 3) == 0) |
bf59c5d5 | 7756 | putchar ('\n'); |
d85bf2ba | 7757 | printf (" %02x", data[printed]); |
bf59c5d5 NC |
7758 | } |
7759 | } | |
d85bf2ba NC |
7760 | } |
7761 | ||
7762 | /* Prints out the contents on the augmentation data array. | |
7763 | If do_wide is not enabled, then formats the output to fit into 80 columns. */ | |
7764 | ||
7765 | static void | |
7766 | display_augmentation_data (const unsigned char * data, const bfd_size_type len) | |
7767 | { | |
7768 | bfd_size_type i; | |
7769 | ||
7770 | i = printf (_(" Augmentation data: ")); | |
7771 | display_data (i, data, len); | |
bf59c5d5 NC |
7772 | } |
7773 | ||
19e6b90e L |
7774 | static int |
7775 | display_debug_frames (struct dwarf_section *section, | |
7776 | void *file ATTRIBUTE_UNUSED) | |
7777 | { | |
7778 | unsigned char *start = section->start; | |
7779 | unsigned char *end = start + section->size; | |
7780 | unsigned char *section_start = start; | |
3391569f NC |
7781 | Frame_Chunk *chunks = NULL, *forward_refs = NULL; |
7782 | Frame_Chunk *remembered_state = NULL; | |
19e6b90e | 7783 | Frame_Chunk *rs; |
3391569f | 7784 | bfd_boolean is_eh = strcmp (section->name, ".eh_frame") == 0; |
a1165289 | 7785 | unsigned int max_regs = 0; |
665ce1f6 | 7786 | const char *bad_reg = _("bad register: "); |
77ef8654 | 7787 | unsigned int saved_eh_addr_size = eh_addr_size; |
19e6b90e | 7788 | |
dda8d76d | 7789 | introduce (section, FALSE); |
19e6b90e L |
7790 | |
7791 | while (start < end) | |
7792 | { | |
7793 | unsigned char *saved_start; | |
7794 | unsigned char *block_end; | |
bf5117e3 NC |
7795 | dwarf_vma length; |
7796 | dwarf_vma cie_id; | |
19e6b90e L |
7797 | Frame_Chunk *fc; |
7798 | Frame_Chunk *cie; | |
7799 | int need_col_headers = 1; | |
7800 | unsigned char *augmentation_data = NULL; | |
bf59c5d5 | 7801 | bfd_size_type augmentation_data_len = 0; |
bf5117e3 NC |
7802 | unsigned int encoded_ptr_size = saved_eh_addr_size; |
7803 | unsigned int offset_size; | |
7804 | unsigned int initial_length_size; | |
5b6312fd | 7805 | bfd_boolean all_nops; |
a788aedd | 7806 | static Frame_Chunk fde_fc; |
19e6b90e L |
7807 | |
7808 | saved_start = start; | |
19e6b90e | 7809 | |
0c588247 | 7810 | SAFE_BYTE_GET_AND_INC (length, start, 4, end); |
041830e0 | 7811 | |
19e6b90e L |
7812 | if (length == 0) |
7813 | { | |
7814 | printf ("\n%08lx ZERO terminator\n\n", | |
7815 | (unsigned long)(saved_start - section_start)); | |
6937bb54 NC |
7816 | /* Skip any zero terminators that directly follow. |
7817 | A corrupt section size could have loaded a whole | |
7818 | slew of zero filled memory bytes. eg | |
7819 | PR 17512: file: 070-19381-0.004. */ | |
7820 | while (start < end && * start == 0) | |
7821 | ++ start; | |
b758e50f | 7822 | continue; |
19e6b90e L |
7823 | } |
7824 | ||
7825 | if (length == 0xffffffff) | |
7826 | { | |
0c588247 | 7827 | SAFE_BYTE_GET_AND_INC (length, start, 8, end); |
19e6b90e L |
7828 | offset_size = 8; |
7829 | initial_length_size = 12; | |
7830 | } | |
7831 | else | |
7832 | { | |
7833 | offset_size = 4; | |
7834 | initial_length_size = 4; | |
7835 | } | |
7836 | ||
7837 | block_end = saved_start + length + initial_length_size; | |
041830e0 | 7838 | if (block_end > end || block_end < start) |
53b8873b | 7839 | { |
bf5117e3 NC |
7840 | warn ("Invalid length 0x%s in FDE at %#08lx\n", |
7841 | dwarf_vmatoa_1 (NULL, length, offset_size), | |
7842 | (unsigned long) (saved_start - section_start)); | |
53b8873b NC |
7843 | block_end = end; |
7844 | } | |
0c588247 NC |
7845 | |
7846 | SAFE_BYTE_GET_AND_INC (cie_id, start, offset_size, end); | |
19e6b90e | 7847 | |
846a11e4 NC |
7848 | if (is_eh ? (cie_id == 0) : ((offset_size == 4 && cie_id == DW_CIE_ID) |
7849 | || (offset_size == 8 && cie_id == DW64_CIE_ID))) | |
19e6b90e L |
7850 | { |
7851 | int version; | |
a1165289 | 7852 | unsigned int mreg; |
19e6b90e | 7853 | |
49727e46 AM |
7854 | start = read_cie (start, end, &cie, &version, |
7855 | &augmentation_data_len, &augmentation_data); | |
041830e0 NC |
7856 | /* PR 17512: file: 027-135133-0.005. */ |
7857 | if (cie == NULL) | |
7858 | break; | |
a1165289 | 7859 | |
49727e46 | 7860 | fc = cie; |
19e6b90e L |
7861 | fc->next = chunks; |
7862 | chunks = fc; | |
7863 | fc->chunk_start = saved_start; | |
a1165289 | 7864 | mreg = max_regs > 0 ? max_regs - 1 : 0; |
49727e46 AM |
7865 | if (mreg < fc->ra) |
7866 | mreg = fc->ra; | |
06614111 NC |
7867 | if (frame_need_space (fc, mreg) < 0) |
7868 | break; | |
49727e46 AM |
7869 | if (fc->fde_encoding) |
7870 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
19e6b90e | 7871 | |
bf5117e3 NC |
7872 | printf ("\n%08lx ", (unsigned long) (saved_start - section_start)); |
7873 | print_dwarf_vma (length, fc->ptr_size); | |
9c41109d | 7874 | print_dwarf_vma (cie_id, offset_size); |
bf5117e3 | 7875 | |
19e6b90e | 7876 | if (do_debug_frames_interp) |
bf5117e3 NC |
7877 | { |
7878 | printf ("CIE \"%s\" cf=%d df=%d ra=%d\n", fc->augmentation, | |
7879 | fc->code_factor, fc->data_factor, fc->ra); | |
7880 | } | |
19e6b90e L |
7881 | else |
7882 | { | |
bf5117e3 | 7883 | printf ("CIE\n"); |
19e6b90e L |
7884 | printf (" Version: %d\n", version); |
7885 | printf (" Augmentation: \"%s\"\n", fc->augmentation); | |
604282a7 JJ |
7886 | if (version >= 4) |
7887 | { | |
7888 | printf (" Pointer Size: %u\n", fc->ptr_size); | |
7889 | printf (" Segment Size: %u\n", fc->segment_size); | |
7890 | } | |
19e6b90e L |
7891 | printf (" Code alignment factor: %u\n", fc->code_factor); |
7892 | printf (" Data alignment factor: %d\n", fc->data_factor); | |
7893 | printf (" Return address column: %d\n", fc->ra); | |
7894 | ||
7895 | if (augmentation_data_len) | |
bf59c5d5 | 7896 | display_augmentation_data (augmentation_data, augmentation_data_len); |
a1165289 | 7897 | |
19e6b90e L |
7898 | putchar ('\n'); |
7899 | } | |
19e6b90e L |
7900 | } |
7901 | else | |
7902 | { | |
7903 | unsigned char *look_for; | |
604282a7 | 7904 | unsigned long segment_selector; |
19e6b90e | 7905 | |
49727e46 AM |
7906 | if (is_eh) |
7907 | { | |
7908 | dwarf_vma sign = (dwarf_vma) 1 << (offset_size * 8 - 1); | |
7909 | look_for = start - 4 - ((cie_id ^ sign) - sign); | |
7910 | } | |
7911 | else | |
7912 | look_for = section_start + cie_id; | |
19e6b90e | 7913 | |
49727e46 AM |
7914 | if (look_for <= saved_start) |
7915 | { | |
7916 | for (cie = chunks; cie ; cie = cie->next) | |
7917 | if (cie->chunk_start == look_for) | |
7918 | break; | |
7919 | } | |
7920 | else | |
7921 | { | |
7922 | for (cie = forward_refs; cie ; cie = cie->next) | |
7923 | if (cie->chunk_start == look_for) | |
7924 | break; | |
7925 | if (!cie) | |
7926 | { | |
7927 | unsigned int off_size; | |
7928 | unsigned char *cie_scan; | |
19e6b90e | 7929 | |
49727e46 AM |
7930 | cie_scan = look_for; |
7931 | off_size = 4; | |
7932 | SAFE_BYTE_GET_AND_INC (length, cie_scan, 4, end); | |
7933 | if (length == 0xffffffff) | |
7934 | { | |
7935 | SAFE_BYTE_GET_AND_INC (length, cie_scan, 8, end); | |
7936 | off_size = 8; | |
7937 | } | |
7938 | if (length != 0) | |
7939 | { | |
7940 | dwarf_vma c_id; | |
7941 | ||
7942 | SAFE_BYTE_GET_AND_INC (c_id, cie_scan, off_size, end); | |
7943 | if (is_eh | |
7944 | ? c_id == 0 | |
7945 | : ((off_size == 4 && c_id == DW_CIE_ID) | |
7946 | || (off_size == 8 && c_id == DW64_CIE_ID))) | |
7947 | { | |
7948 | int version; | |
a1165289 | 7949 | unsigned int mreg; |
49727e46 AM |
7950 | |
7951 | read_cie (cie_scan, end, &cie, &version, | |
7952 | &augmentation_data_len, &augmentation_data); | |
a1165289 NC |
7953 | /* PR 17512: file: 3450-2098-0.004. */ |
7954 | if (cie == NULL) | |
7955 | { | |
7956 | warn (_("Failed to read CIE information\n")); | |
7957 | break; | |
7958 | } | |
49727e46 AM |
7959 | cie->next = forward_refs; |
7960 | forward_refs = cie; | |
7961 | cie->chunk_start = look_for; | |
a1165289 | 7962 | mreg = max_regs > 0 ? max_regs - 1 : 0; |
49727e46 AM |
7963 | if (mreg < cie->ra) |
7964 | mreg = cie->ra; | |
06614111 NC |
7965 | if (frame_need_space (cie, mreg) < 0) |
7966 | { | |
7967 | warn (_("Invalid max register\n")); | |
7968 | break; | |
7969 | } | |
49727e46 AM |
7970 | if (cie->fde_encoding) |
7971 | encoded_ptr_size | |
7972 | = size_of_encoded_value (cie->fde_encoding); | |
7973 | } | |
7974 | } | |
7975 | } | |
7976 | } | |
7977 | ||
7978 | fc = &fde_fc; | |
7979 | memset (fc, 0, sizeof (Frame_Chunk)); | |
19e6b90e L |
7980 | |
7981 | if (!cie) | |
7982 | { | |
bf5117e3 NC |
7983 | warn ("Invalid CIE pointer 0x%s in FDE at %#08lx\n", |
7984 | dwarf_vmatoa_1 (NULL, cie_id, offset_size), | |
7985 | (unsigned long) (saved_start - section_start)); | |
19e6b90e | 7986 | fc->ncols = 0; |
3f5e193b NC |
7987 | fc->col_type = (short int *) xmalloc (sizeof (short int)); |
7988 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
06614111 NC |
7989 | if (frame_need_space (fc, max_regs > 0 ? max_regs - 1 : 0) < 0) |
7990 | { | |
7991 | warn (_("Invalid max register\n")); | |
7992 | break; | |
7993 | } | |
19e6b90e L |
7994 | cie = fc; |
7995 | fc->augmentation = ""; | |
7996 | fc->fde_encoding = 0; | |
604282a7 JJ |
7997 | fc->ptr_size = eh_addr_size; |
7998 | fc->segment_size = 0; | |
19e6b90e L |
7999 | } |
8000 | else | |
8001 | { | |
8002 | fc->ncols = cie->ncols; | |
3f5e193b NC |
8003 | fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int)); |
8004 | fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int)); | |
19e6b90e L |
8005 | memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int)); |
8006 | memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int)); | |
8007 | fc->augmentation = cie->augmentation; | |
604282a7 JJ |
8008 | fc->ptr_size = cie->ptr_size; |
8009 | eh_addr_size = cie->ptr_size; | |
8010 | fc->segment_size = cie->segment_size; | |
19e6b90e L |
8011 | fc->code_factor = cie->code_factor; |
8012 | fc->data_factor = cie->data_factor; | |
8013 | fc->cfa_reg = cie->cfa_reg; | |
8014 | fc->cfa_offset = cie->cfa_offset; | |
8015 | fc->ra = cie->ra; | |
06614111 NC |
8016 | if (frame_need_space (fc, max_regs > 0 ? max_regs - 1: 0) < 0) |
8017 | { | |
8018 | warn (_("Invalid max register\n")); | |
8019 | break; | |
8020 | } | |
19e6b90e L |
8021 | fc->fde_encoding = cie->fde_encoding; |
8022 | } | |
8023 | ||
8024 | if (fc->fde_encoding) | |
8025 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
8026 | ||
604282a7 JJ |
8027 | segment_selector = 0; |
8028 | if (fc->segment_size) | |
c8071705 NC |
8029 | { |
8030 | if (fc->segment_size > sizeof (segment_selector)) | |
8031 | { | |
8032 | /* PR 17512: file: 9e196b3e. */ | |
8033 | warn (_("Probably corrupt segment size: %d - using 4 instead\n"), fc->segment_size); | |
8034 | fc->segment_size = 4; | |
8035 | } | |
8036 | SAFE_BYTE_GET_AND_INC (segment_selector, start, fc->segment_size, end); | |
8037 | } | |
041830e0 NC |
8038 | |
8039 | fc->pc_begin = get_encoded_value (&start, fc->fde_encoding, section, end); | |
19e6b90e | 8040 | |
0c588247 NC |
8041 | /* FIXME: It appears that sometimes the final pc_range value is |
8042 | encoded in less than encoded_ptr_size bytes. See the x86_64 | |
8043 | run of the "objcopy on compressed debug sections" test for an | |
8044 | example of this. */ | |
8045 | SAFE_BYTE_GET_AND_INC (fc->pc_range, start, encoded_ptr_size, end); | |
bf5117e3 | 8046 | |
19e6b90e L |
8047 | if (cie->augmentation[0] == 'z') |
8048 | { | |
cd30bcef | 8049 | READ_ULEB (augmentation_data_len, start, end); |
19e6b90e | 8050 | augmentation_data = start; |
bf59c5d5 | 8051 | /* PR 17512 file: 722-8446-0.004 and PR 22386. */ |
d292364e | 8052 | if (augmentation_data_len > (bfd_size_type) (end - start)) |
0a9d414a | 8053 | { |
d292364e AM |
8054 | warn (_("Augmentation data too long: 0x%s, " |
8055 | "expected at most %#lx\n"), | |
8056 | dwarf_vmatoa ("x", augmentation_data_len), | |
8057 | (unsigned long) (end - start)); | |
0a9d414a NC |
8058 | start = end; |
8059 | augmentation_data = NULL; | |
8060 | augmentation_data_len = 0; | |
8061 | } | |
d292364e | 8062 | start += augmentation_data_len; |
19e6b90e L |
8063 | } |
8064 | ||
bf5117e3 NC |
8065 | printf ("\n%08lx %s %s FDE cie=%08lx pc=", |
8066 | (unsigned long)(saved_start - section_start), | |
8067 | dwarf_vmatoa_1 (NULL, length, fc->ptr_size), | |
9c41109d | 8068 | dwarf_vmatoa_1 (NULL, cie_id, offset_size), |
604282a7 | 8069 | (unsigned long)(cie->chunk_start - section_start)); |
bf5117e3 | 8070 | |
604282a7 JJ |
8071 | if (fc->segment_size) |
8072 | printf ("%04lx:", segment_selector); | |
bf5117e3 NC |
8073 | |
8074 | printf ("%s..%s\n", | |
8075 | dwarf_vmatoa_1 (NULL, fc->pc_begin, fc->ptr_size), | |
8076 | dwarf_vmatoa_1 (NULL, fc->pc_begin + fc->pc_range, fc->ptr_size)); | |
8077 | ||
19e6b90e L |
8078 | if (! do_debug_frames_interp && augmentation_data_len) |
8079 | { | |
bf59c5d5 | 8080 | display_augmentation_data (augmentation_data, augmentation_data_len); |
19e6b90e L |
8081 | putchar ('\n'); |
8082 | } | |
8083 | } | |
8084 | ||
8085 | /* At this point, fc is the current chunk, cie (if any) is set, and | |
8086 | we're about to interpret instructions for the chunk. */ | |
8087 | /* ??? At present we need to do this always, since this sizes the | |
8088 | fc->col_type and fc->col_offset arrays, which we write into always. | |
8089 | We should probably split the interpreted and non-interpreted bits | |
8090 | into two different routines, since there's so much that doesn't | |
8091 | really overlap between them. */ | |
8092 | if (1 || do_debug_frames_interp) | |
8093 | { | |
8094 | /* Start by making a pass over the chunk, allocating storage | |
8095 | and taking note of what registers are used. */ | |
8096 | unsigned char *tmp = start; | |
8097 | ||
8098 | while (start < block_end) | |
8099 | { | |
041830e0 NC |
8100 | unsigned int reg, op, opa; |
8101 | unsigned long temp; | |
5929c344 | 8102 | unsigned char * new_start; |
19e6b90e L |
8103 | |
8104 | op = *start++; | |
8105 | opa = op & 0x3f; | |
8106 | if (op & 0xc0) | |
8107 | op &= 0xc0; | |
8108 | ||
8109 | /* Warning: if you add any more cases to this switch, be | |
8110 | sure to add them to the corresponding switch below. */ | |
8111 | switch (op) | |
8112 | { | |
8113 | case DW_CFA_advance_loc: | |
8114 | break; | |
8115 | case DW_CFA_offset: | |
cd30bcef | 8116 | SKIP_ULEB (start, end); |
665ce1f6 L |
8117 | if (frame_need_space (fc, opa) >= 0) |
8118 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
8119 | break; |
8120 | case DW_CFA_restore: | |
665ce1f6 L |
8121 | if (frame_need_space (fc, opa) >= 0) |
8122 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
8123 | break; |
8124 | case DW_CFA_set_loc: | |
8125 | start += encoded_ptr_size; | |
8126 | break; | |
8127 | case DW_CFA_advance_loc1: | |
8128 | start += 1; | |
8129 | break; | |
8130 | case DW_CFA_advance_loc2: | |
8131 | start += 2; | |
8132 | break; | |
8133 | case DW_CFA_advance_loc4: | |
8134 | start += 4; | |
8135 | break; | |
8136 | case DW_CFA_offset_extended: | |
12eae2d3 | 8137 | case DW_CFA_val_offset: |
cd30bcef AM |
8138 | READ_ULEB (reg, start, end); |
8139 | SKIP_ULEB (start, end); | |
665ce1f6 L |
8140 | if (frame_need_space (fc, reg) >= 0) |
8141 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8142 | break; |
8143 | case DW_CFA_restore_extended: | |
cd30bcef | 8144 | READ_ULEB (reg, start, end); |
665ce1f6 L |
8145 | if (frame_need_space (fc, reg) >= 0) |
8146 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8147 | break; |
8148 | case DW_CFA_undefined: | |
cd30bcef | 8149 | READ_ULEB (reg, start, end); |
665ce1f6 L |
8150 | if (frame_need_space (fc, reg) >= 0) |
8151 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8152 | break; |
8153 | case DW_CFA_same_value: | |
cd30bcef | 8154 | READ_ULEB (reg, start, end); |
665ce1f6 L |
8155 | if (frame_need_space (fc, reg) >= 0) |
8156 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8157 | break; |
8158 | case DW_CFA_register: | |
cd30bcef AM |
8159 | READ_ULEB (reg, start, end); |
8160 | SKIP_ULEB (start, end); | |
665ce1f6 L |
8161 | if (frame_need_space (fc, reg) >= 0) |
8162 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8163 | break; |
8164 | case DW_CFA_def_cfa: | |
cd30bcef AM |
8165 | SKIP_ULEB (start, end); |
8166 | SKIP_ULEB (start, end); | |
19e6b90e L |
8167 | break; |
8168 | case DW_CFA_def_cfa_register: | |
cd30bcef | 8169 | SKIP_ULEB (start, end); |
19e6b90e L |
8170 | break; |
8171 | case DW_CFA_def_cfa_offset: | |
cd30bcef | 8172 | SKIP_ULEB (start, end); |
19e6b90e L |
8173 | break; |
8174 | case DW_CFA_def_cfa_expression: | |
cd30bcef | 8175 | READ_ULEB (temp, start, end); |
5929c344 NC |
8176 | new_start = start + temp; |
8177 | if (new_start < start) | |
041830e0 NC |
8178 | { |
8179 | warn (_("Corrupt CFA_def expression value: %lu\n"), temp); | |
8180 | start = block_end; | |
8181 | } | |
8182 | else | |
5929c344 | 8183 | start = new_start; |
19e6b90e L |
8184 | break; |
8185 | case DW_CFA_expression: | |
12eae2d3 | 8186 | case DW_CFA_val_expression: |
cd30bcef AM |
8187 | READ_ULEB (reg, start, end); |
8188 | READ_ULEB (temp, start, end); | |
5929c344 NC |
8189 | new_start = start + temp; |
8190 | if (new_start < start) | |
041830e0 | 8191 | { |
b4eb7656 | 8192 | /* PR 17512: file:306-192417-0.005. */ |
041830e0 NC |
8193 | warn (_("Corrupt CFA expression value: %lu\n"), temp); |
8194 | start = block_end; | |
8195 | } | |
8196 | else | |
5929c344 | 8197 | start = new_start; |
665ce1f6 L |
8198 | if (frame_need_space (fc, reg) >= 0) |
8199 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8200 | break; |
8201 | case DW_CFA_offset_extended_sf: | |
12eae2d3 | 8202 | case DW_CFA_val_offset_sf: |
cd30bcef AM |
8203 | READ_ULEB (reg, start, end); |
8204 | SKIP_SLEB (start, end); | |
665ce1f6 L |
8205 | if (frame_need_space (fc, reg) >= 0) |
8206 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
8207 | break; |
8208 | case DW_CFA_def_cfa_sf: | |
cd30bcef AM |
8209 | SKIP_ULEB (start, end); |
8210 | SKIP_SLEB (start, end); | |
19e6b90e L |
8211 | break; |
8212 | case DW_CFA_def_cfa_offset_sf: | |
cd30bcef | 8213 | SKIP_SLEB (start, end); |
19e6b90e L |
8214 | break; |
8215 | case DW_CFA_MIPS_advance_loc8: | |
8216 | start += 8; | |
8217 | break; | |
8218 | case DW_CFA_GNU_args_size: | |
cd30bcef | 8219 | SKIP_ULEB (start, end); |
19e6b90e L |
8220 | break; |
8221 | case DW_CFA_GNU_negative_offset_extended: | |
cd30bcef AM |
8222 | READ_ULEB (reg, start, end); |
8223 | SKIP_ULEB (start, end); | |
665ce1f6 L |
8224 | if (frame_need_space (fc, reg) >= 0) |
8225 | fc->col_type[reg] = DW_CFA_undefined; | |
8226 | break; | |
19e6b90e L |
8227 | default: |
8228 | break; | |
8229 | } | |
8230 | } | |
8231 | start = tmp; | |
8232 | } | |
8233 | ||
5b6312fd NC |
8234 | all_nops = TRUE; |
8235 | ||
19e6b90e L |
8236 | /* Now we know what registers are used, make a second pass over |
8237 | the chunk, this time actually printing out the info. */ | |
8238 | ||
8239 | while (start < block_end) | |
8240 | { | |
362beea4 | 8241 | unsigned char * tmp; |
19e6b90e | 8242 | unsigned op, opa; |
7f2c8a1d NC |
8243 | unsigned long ul, roffs; |
8244 | /* Note: It is tempting to use an unsigned long for 'reg' but there | |
8245 | are various functions, notably frame_space_needed() that assume that | |
8246 | reg is an unsigned int. */ | |
8247 | unsigned int reg; | |
8248 | dwarf_signed_vma l; | |
bf5117e3 | 8249 | dwarf_vma ofs; |
19e6b90e | 8250 | dwarf_vma vma; |
665ce1f6 | 8251 | const char *reg_prefix = ""; |
19e6b90e L |
8252 | |
8253 | op = *start++; | |
8254 | opa = op & 0x3f; | |
8255 | if (op & 0xc0) | |
8256 | op &= 0xc0; | |
8257 | ||
5b6312fd NC |
8258 | /* Make a note if something other than DW_CFA_nop happens. */ |
8259 | if (op != DW_CFA_nop) | |
8260 | all_nops = FALSE; | |
8261 | ||
19e6b90e L |
8262 | /* Warning: if you add any more cases to this switch, be |
8263 | sure to add them to the corresponding switch above. */ | |
8264 | switch (op) | |
8265 | { | |
8266 | case DW_CFA_advance_loc: | |
8267 | if (do_debug_frames_interp) | |
8268 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8269 | else | |
bf5117e3 | 8270 | printf (" DW_CFA_advance_loc: %d to %s\n", |
19e6b90e | 8271 | opa * fc->code_factor, |
b4eb7656 | 8272 | dwarf_vmatoa_1 (NULL, |
bf5117e3 NC |
8273 | fc->pc_begin + opa * fc->code_factor, |
8274 | fc->ptr_size)); | |
19e6b90e L |
8275 | fc->pc_begin += opa * fc->code_factor; |
8276 | break; | |
8277 | ||
8278 | case DW_CFA_offset: | |
cd30bcef | 8279 | READ_ULEB (roffs, start, end); |
665ce1f6 L |
8280 | if (opa >= (unsigned int) fc->ncols) |
8281 | reg_prefix = bad_reg; | |
8282 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8283 | printf (" DW_CFA_offset: %s%s at cfa%+ld\n", | |
8284 | reg_prefix, regname (opa, 0), | |
8285 | roffs * fc->data_factor); | |
8286 | if (*reg_prefix == '\0') | |
8287 | { | |
8288 | fc->col_type[opa] = DW_CFA_offset; | |
8289 | fc->col_offset[opa] = roffs * fc->data_factor; | |
8290 | } | |
19e6b90e L |
8291 | break; |
8292 | ||
8293 | case DW_CFA_restore: | |
50751e18 | 8294 | if (opa >= (unsigned int) fc->ncols) |
665ce1f6 L |
8295 | reg_prefix = bad_reg; |
8296 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8297 | printf (" DW_CFA_restore: %s%s\n", | |
8298 | reg_prefix, regname (opa, 0)); | |
50751e18 AK |
8299 | if (*reg_prefix != '\0') |
8300 | break; | |
8301 | ||
8302 | if (opa >= (unsigned int) cie->ncols | |
8303 | || (do_debug_frames_interp | |
8304 | && cie->col_type[opa] == DW_CFA_unreferenced)) | |
8305 | { | |
8306 | fc->col_type[opa] = DW_CFA_undefined; | |
8307 | fc->col_offset[opa] = 0; | |
8308 | } | |
8309 | else | |
665ce1f6 L |
8310 | { |
8311 | fc->col_type[opa] = cie->col_type[opa]; | |
8312 | fc->col_offset[opa] = cie->col_offset[opa]; | |
8313 | } | |
19e6b90e L |
8314 | break; |
8315 | ||
8316 | case DW_CFA_set_loc: | |
6937bb54 | 8317 | vma = get_encoded_value (&start, fc->fde_encoding, section, block_end); |
19e6b90e L |
8318 | if (do_debug_frames_interp) |
8319 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8320 | else | |
bf5117e3 NC |
8321 | printf (" DW_CFA_set_loc: %s\n", |
8322 | dwarf_vmatoa_1 (NULL, vma, fc->ptr_size)); | |
19e6b90e L |
8323 | fc->pc_begin = vma; |
8324 | break; | |
8325 | ||
8326 | case DW_CFA_advance_loc1: | |
0c588247 | 8327 | SAFE_BYTE_GET_AND_INC (ofs, start, 1, end); |
19e6b90e L |
8328 | if (do_debug_frames_interp) |
8329 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8330 | else | |
bf5117e3 NC |
8331 | printf (" DW_CFA_advance_loc1: %ld to %s\n", |
8332 | (unsigned long) (ofs * fc->code_factor), | |
8333 | dwarf_vmatoa_1 (NULL, | |
8334 | fc->pc_begin + ofs * fc->code_factor, | |
8335 | fc->ptr_size)); | |
19e6b90e L |
8336 | fc->pc_begin += ofs * fc->code_factor; |
8337 | break; | |
8338 | ||
8339 | case DW_CFA_advance_loc2: | |
6937bb54 | 8340 | SAFE_BYTE_GET_AND_INC (ofs, start, 2, block_end); |
19e6b90e L |
8341 | if (do_debug_frames_interp) |
8342 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8343 | else | |
bf5117e3 NC |
8344 | printf (" DW_CFA_advance_loc2: %ld to %s\n", |
8345 | (unsigned long) (ofs * fc->code_factor), | |
8346 | dwarf_vmatoa_1 (NULL, | |
8347 | fc->pc_begin + ofs * fc->code_factor, | |
8348 | fc->ptr_size)); | |
19e6b90e L |
8349 | fc->pc_begin += ofs * fc->code_factor; |
8350 | break; | |
8351 | ||
8352 | case DW_CFA_advance_loc4: | |
6937bb54 | 8353 | SAFE_BYTE_GET_AND_INC (ofs, start, 4, block_end); |
19e6b90e L |
8354 | if (do_debug_frames_interp) |
8355 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8356 | else | |
bf5117e3 NC |
8357 | printf (" DW_CFA_advance_loc4: %ld to %s\n", |
8358 | (unsigned long) (ofs * fc->code_factor), | |
8359 | dwarf_vmatoa_1 (NULL, | |
8360 | fc->pc_begin + ofs * fc->code_factor, | |
8361 | fc->ptr_size)); | |
19e6b90e L |
8362 | fc->pc_begin += ofs * fc->code_factor; |
8363 | break; | |
8364 | ||
8365 | case DW_CFA_offset_extended: | |
cd30bcef AM |
8366 | READ_ULEB (reg, start, end); |
8367 | READ_ULEB (roffs, start, end); | |
665ce1f6 L |
8368 | if (reg >= (unsigned int) fc->ncols) |
8369 | reg_prefix = bad_reg; | |
8370 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8371 | printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n", | |
8372 | reg_prefix, regname (reg, 0), | |
8373 | roffs * fc->data_factor); | |
8374 | if (*reg_prefix == '\0') | |
8375 | { | |
8376 | fc->col_type[reg] = DW_CFA_offset; | |
8377 | fc->col_offset[reg] = roffs * fc->data_factor; | |
8378 | } | |
19e6b90e L |
8379 | break; |
8380 | ||
12eae2d3 | 8381 | case DW_CFA_val_offset: |
cd30bcef AM |
8382 | READ_ULEB (reg, start, end); |
8383 | READ_ULEB (roffs, start, end); | |
665ce1f6 L |
8384 | if (reg >= (unsigned int) fc->ncols) |
8385 | reg_prefix = bad_reg; | |
8386 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
084303b8 | 8387 | printf (" DW_CFA_val_offset: %s%s is cfa%+ld\n", |
665ce1f6 L |
8388 | reg_prefix, regname (reg, 0), |
8389 | roffs * fc->data_factor); | |
8390 | if (*reg_prefix == '\0') | |
8391 | { | |
8392 | fc->col_type[reg] = DW_CFA_val_offset; | |
8393 | fc->col_offset[reg] = roffs * fc->data_factor; | |
8394 | } | |
12eae2d3 JJ |
8395 | break; |
8396 | ||
19e6b90e | 8397 | case DW_CFA_restore_extended: |
cd30bcef | 8398 | READ_ULEB (reg, start, end); |
50751e18 | 8399 | if (reg >= (unsigned int) fc->ncols) |
665ce1f6 L |
8400 | reg_prefix = bad_reg; |
8401 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8402 | printf (" DW_CFA_restore_extended: %s%s\n", | |
8403 | reg_prefix, regname (reg, 0)); | |
50751e18 AK |
8404 | if (*reg_prefix != '\0') |
8405 | break; | |
8406 | ||
8407 | if (reg >= (unsigned int) cie->ncols) | |
8408 | { | |
8409 | fc->col_type[reg] = DW_CFA_undefined; | |
8410 | fc->col_offset[reg] = 0; | |
8411 | } | |
8412 | else | |
665ce1f6 L |
8413 | { |
8414 | fc->col_type[reg] = cie->col_type[reg]; | |
8415 | fc->col_offset[reg] = cie->col_offset[reg]; | |
8416 | } | |
19e6b90e L |
8417 | break; |
8418 | ||
8419 | case DW_CFA_undefined: | |
cd30bcef | 8420 | READ_ULEB (reg, start, end); |
665ce1f6 L |
8421 | if (reg >= (unsigned int) fc->ncols) |
8422 | reg_prefix = bad_reg; | |
8423 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8424 | printf (" DW_CFA_undefined: %s%s\n", | |
8425 | reg_prefix, regname (reg, 0)); | |
8426 | if (*reg_prefix == '\0') | |
8427 | { | |
8428 | fc->col_type[reg] = DW_CFA_undefined; | |
8429 | fc->col_offset[reg] = 0; | |
8430 | } | |
19e6b90e L |
8431 | break; |
8432 | ||
8433 | case DW_CFA_same_value: | |
cd30bcef | 8434 | READ_ULEB (reg, start, end); |
665ce1f6 L |
8435 | if (reg >= (unsigned int) fc->ncols) |
8436 | reg_prefix = bad_reg; | |
8437 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8438 | printf (" DW_CFA_same_value: %s%s\n", | |
8439 | reg_prefix, regname (reg, 0)); | |
8440 | if (*reg_prefix == '\0') | |
8441 | { | |
8442 | fc->col_type[reg] = DW_CFA_same_value; | |
8443 | fc->col_offset[reg] = 0; | |
8444 | } | |
19e6b90e L |
8445 | break; |
8446 | ||
8447 | case DW_CFA_register: | |
cd30bcef AM |
8448 | READ_ULEB (reg, start, end); |
8449 | READ_ULEB (roffs, start, end); | |
665ce1f6 L |
8450 | if (reg >= (unsigned int) fc->ncols) |
8451 | reg_prefix = bad_reg; | |
8452 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
2dc4cec1 | 8453 | { |
665ce1f6 L |
8454 | printf (" DW_CFA_register: %s%s in ", |
8455 | reg_prefix, regname (reg, 0)); | |
2dc4cec1 L |
8456 | puts (regname (roffs, 0)); |
8457 | } | |
665ce1f6 L |
8458 | if (*reg_prefix == '\0') |
8459 | { | |
8460 | fc->col_type[reg] = DW_CFA_register; | |
8461 | fc->col_offset[reg] = roffs; | |
8462 | } | |
19e6b90e L |
8463 | break; |
8464 | ||
8465 | case DW_CFA_remember_state: | |
8466 | if (! do_debug_frames_interp) | |
8467 | printf (" DW_CFA_remember_state\n"); | |
3f5e193b | 8468 | rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
b4eb7656 | 8469 | rs->cfa_offset = fc->cfa_offset; |
d71ad7fc RC |
8470 | rs->cfa_reg = fc->cfa_reg; |
8471 | rs->ra = fc->ra; | |
8472 | rs->cfa_exp = fc->cfa_exp; | |
19e6b90e | 8473 | rs->ncols = fc->ncols; |
3f5e193b | 8474 | rs->col_type = (short int *) xcmalloc (rs->ncols, |
b4eb7656 | 8475 | sizeof (* rs->col_type)); |
d71ad7fc RC |
8476 | rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (* rs->col_offset)); |
8477 | memcpy (rs->col_type, fc->col_type, rs->ncols * sizeof (* fc->col_type)); | |
8478 | memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (* fc->col_offset)); | |
19e6b90e L |
8479 | rs->next = remembered_state; |
8480 | remembered_state = rs; | |
8481 | break; | |
8482 | ||
8483 | case DW_CFA_restore_state: | |
8484 | if (! do_debug_frames_interp) | |
8485 | printf (" DW_CFA_restore_state\n"); | |
8486 | rs = remembered_state; | |
8487 | if (rs) | |
8488 | { | |
8489 | remembered_state = rs->next; | |
d71ad7fc RC |
8490 | fc->cfa_offset = rs->cfa_offset; |
8491 | fc->cfa_reg = rs->cfa_reg; | |
b4eb7656 AM |
8492 | fc->ra = rs->ra; |
8493 | fc->cfa_exp = rs->cfa_exp; | |
06614111 NC |
8494 | if (frame_need_space (fc, rs->ncols - 1) < 0) |
8495 | { | |
1306a742 | 8496 | warn (_("Invalid column number in saved frame state\n")); |
06614111 NC |
8497 | fc->ncols = 0; |
8498 | break; | |
8499 | } | |
d71ad7fc | 8500 | memcpy (fc->col_type, rs->col_type, rs->ncols * sizeof (* rs->col_type)); |
19e6b90e | 8501 | memcpy (fc->col_offset, rs->col_offset, |
d71ad7fc | 8502 | rs->ncols * sizeof (* rs->col_offset)); |
19e6b90e L |
8503 | free (rs->col_type); |
8504 | free (rs->col_offset); | |
8505 | free (rs); | |
8506 | } | |
8507 | else if (do_debug_frames_interp) | |
8508 | printf ("Mismatched DW_CFA_restore_state\n"); | |
8509 | break; | |
8510 | ||
8511 | case DW_CFA_def_cfa: | |
cd30bcef AM |
8512 | READ_ULEB (fc->cfa_reg, start, end); |
8513 | READ_ULEB (fc->cfa_offset, start, end); | |
19e6b90e L |
8514 | fc->cfa_exp = 0; |
8515 | if (! do_debug_frames_interp) | |
2dc4cec1 | 8516 | printf (" DW_CFA_def_cfa: %s ofs %d\n", |
c8071705 | 8517 | regname (fc->cfa_reg, 0), (int) fc->cfa_offset); |
19e6b90e L |
8518 | break; |
8519 | ||
8520 | case DW_CFA_def_cfa_register: | |
cd30bcef | 8521 | READ_ULEB (fc->cfa_reg, start, end); |
19e6b90e L |
8522 | fc->cfa_exp = 0; |
8523 | if (! do_debug_frames_interp) | |
2dc4cec1 L |
8524 | printf (" DW_CFA_def_cfa_register: %s\n", |
8525 | regname (fc->cfa_reg, 0)); | |
19e6b90e L |
8526 | break; |
8527 | ||
8528 | case DW_CFA_def_cfa_offset: | |
cd30bcef | 8529 | READ_ULEB (fc->cfa_offset, start, end); |
19e6b90e | 8530 | if (! do_debug_frames_interp) |
c8071705 | 8531 | printf (" DW_CFA_def_cfa_offset: %d\n", (int) fc->cfa_offset); |
19e6b90e L |
8532 | break; |
8533 | ||
8534 | case DW_CFA_nop: | |
8535 | if (! do_debug_frames_interp) | |
8536 | printf (" DW_CFA_nop\n"); | |
8537 | break; | |
8538 | ||
8539 | case DW_CFA_def_cfa_expression: | |
cd30bcef | 8540 | READ_ULEB (ul, start, end); |
7460c0ab | 8541 | if (start >= block_end || ul > (unsigned long) (block_end - start)) |
6937bb54 | 8542 | { |
a1165289 | 8543 | printf (_(" DW_CFA_def_cfa_expression: <corrupt len %lu>\n"), ul); |
6937bb54 NC |
8544 | break; |
8545 | } | |
19e6b90e L |
8546 | if (! do_debug_frames_interp) |
8547 | { | |
8548 | printf (" DW_CFA_def_cfa_expression ("); | |
b7807392 JJ |
8549 | decode_location_expression (start, eh_addr_size, 0, -1, |
8550 | ul, 0, section); | |
19e6b90e L |
8551 | printf (")\n"); |
8552 | } | |
8553 | fc->cfa_exp = 1; | |
8554 | start += ul; | |
8555 | break; | |
8556 | ||
8557 | case DW_CFA_expression: | |
cd30bcef AM |
8558 | READ_ULEB (reg, start, end); |
8559 | READ_ULEB (ul, start, end); | |
665ce1f6 L |
8560 | if (reg >= (unsigned int) fc->ncols) |
8561 | reg_prefix = bad_reg; | |
6937bb54 | 8562 | /* PR 17512: file: 069-133014-0.006. */ |
06614111 | 8563 | /* PR 17512: file: 98c02eb4. */ |
362beea4 NC |
8564 | tmp = start + ul; |
8565 | if (start >= block_end || tmp > block_end || tmp < start) | |
6937bb54 | 8566 | { |
a1165289 | 8567 | printf (_(" DW_CFA_expression: <corrupt len %lu>\n"), ul); |
6937bb54 NC |
8568 | break; |
8569 | } | |
665ce1f6 | 8570 | if (! do_debug_frames_interp || *reg_prefix != '\0') |
19e6b90e | 8571 | { |
665ce1f6 L |
8572 | printf (" DW_CFA_expression: %s%s (", |
8573 | reg_prefix, regname (reg, 0)); | |
b7807392 | 8574 | decode_location_expression (start, eh_addr_size, 0, -1, |
f1c4cc75 | 8575 | ul, 0, section); |
19e6b90e L |
8576 | printf (")\n"); |
8577 | } | |
665ce1f6 L |
8578 | if (*reg_prefix == '\0') |
8579 | fc->col_type[reg] = DW_CFA_expression; | |
362beea4 | 8580 | start = tmp; |
19e6b90e L |
8581 | break; |
8582 | ||
12eae2d3 | 8583 | case DW_CFA_val_expression: |
cd30bcef AM |
8584 | READ_ULEB (reg, start, end); |
8585 | READ_ULEB (ul, start, end); | |
665ce1f6 L |
8586 | if (reg >= (unsigned int) fc->ncols) |
8587 | reg_prefix = bad_reg; | |
362beea4 NC |
8588 | tmp = start + ul; |
8589 | if (start >= block_end || tmp > block_end || tmp < start) | |
6937bb54 | 8590 | { |
a1165289 | 8591 | printf (" DW_CFA_val_expression: <corrupt len %lu>\n", ul); |
6937bb54 NC |
8592 | break; |
8593 | } | |
665ce1f6 | 8594 | if (! do_debug_frames_interp || *reg_prefix != '\0') |
12eae2d3 | 8595 | { |
665ce1f6 L |
8596 | printf (" DW_CFA_val_expression: %s%s (", |
8597 | reg_prefix, regname (reg, 0)); | |
b7807392 JJ |
8598 | decode_location_expression (start, eh_addr_size, 0, -1, |
8599 | ul, 0, section); | |
12eae2d3 JJ |
8600 | printf (")\n"); |
8601 | } | |
665ce1f6 L |
8602 | if (*reg_prefix == '\0') |
8603 | fc->col_type[reg] = DW_CFA_val_expression; | |
362beea4 | 8604 | start = tmp; |
12eae2d3 JJ |
8605 | break; |
8606 | ||
19e6b90e | 8607 | case DW_CFA_offset_extended_sf: |
cd30bcef AM |
8608 | READ_ULEB (reg, start, end); |
8609 | READ_SLEB (l, start, end); | |
665ce1f6 L |
8610 | if (frame_need_space (fc, reg) < 0) |
8611 | reg_prefix = bad_reg; | |
8612 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8613 | printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n", | |
8614 | reg_prefix, regname (reg, 0), | |
c8071705 | 8615 | (long)(l * fc->data_factor)); |
665ce1f6 L |
8616 | if (*reg_prefix == '\0') |
8617 | { | |
8618 | fc->col_type[reg] = DW_CFA_offset; | |
8619 | fc->col_offset[reg] = l * fc->data_factor; | |
8620 | } | |
19e6b90e L |
8621 | break; |
8622 | ||
12eae2d3 | 8623 | case DW_CFA_val_offset_sf: |
cd30bcef AM |
8624 | READ_ULEB (reg, start, end); |
8625 | READ_SLEB (l, start, end); | |
665ce1f6 L |
8626 | if (frame_need_space (fc, reg) < 0) |
8627 | reg_prefix = bad_reg; | |
8628 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
084303b8 | 8629 | printf (" DW_CFA_val_offset_sf: %s%s is cfa%+ld\n", |
665ce1f6 | 8630 | reg_prefix, regname (reg, 0), |
c8071705 | 8631 | (long)(l * fc->data_factor)); |
665ce1f6 L |
8632 | if (*reg_prefix == '\0') |
8633 | { | |
8634 | fc->col_type[reg] = DW_CFA_val_offset; | |
8635 | fc->col_offset[reg] = l * fc->data_factor; | |
8636 | } | |
12eae2d3 JJ |
8637 | break; |
8638 | ||
19e6b90e | 8639 | case DW_CFA_def_cfa_sf: |
cd30bcef AM |
8640 | READ_ULEB (fc->cfa_reg, start, end); |
8641 | READ_ULEB (fc->cfa_offset, start, end); | |
19e6b90e L |
8642 | fc->cfa_offset = fc->cfa_offset * fc->data_factor; |
8643 | fc->cfa_exp = 0; | |
8644 | if (! do_debug_frames_interp) | |
2dc4cec1 | 8645 | printf (" DW_CFA_def_cfa_sf: %s ofs %d\n", |
c8071705 | 8646 | regname (fc->cfa_reg, 0), (int) fc->cfa_offset); |
19e6b90e L |
8647 | break; |
8648 | ||
8649 | case DW_CFA_def_cfa_offset_sf: | |
cd30bcef | 8650 | READ_ULEB (fc->cfa_offset, start, end); |
c8071705 | 8651 | fc->cfa_offset *= fc->data_factor; |
19e6b90e | 8652 | if (! do_debug_frames_interp) |
c8071705 | 8653 | printf (" DW_CFA_def_cfa_offset_sf: %d\n", (int) fc->cfa_offset); |
19e6b90e L |
8654 | break; |
8655 | ||
8656 | case DW_CFA_MIPS_advance_loc8: | |
6937bb54 | 8657 | SAFE_BYTE_GET_AND_INC (ofs, start, 8, block_end); |
19e6b90e L |
8658 | if (do_debug_frames_interp) |
8659 | frame_display_row (fc, &need_col_headers, &max_regs); | |
8660 | else | |
bf5117e3 NC |
8661 | printf (" DW_CFA_MIPS_advance_loc8: %ld to %s\n", |
8662 | (unsigned long) (ofs * fc->code_factor), | |
8663 | dwarf_vmatoa_1 (NULL, | |
8664 | fc->pc_begin + ofs * fc->code_factor, | |
8665 | fc->ptr_size)); | |
19e6b90e L |
8666 | fc->pc_begin += ofs * fc->code_factor; |
8667 | break; | |
8668 | ||
8669 | case DW_CFA_GNU_window_save: | |
8670 | if (! do_debug_frames_interp) | |
8671 | printf (" DW_CFA_GNU_window_save\n"); | |
8672 | break; | |
8673 | ||
8674 | case DW_CFA_GNU_args_size: | |
cd30bcef | 8675 | READ_ULEB (ul, start, end); |
19e6b90e L |
8676 | if (! do_debug_frames_interp) |
8677 | printf (" DW_CFA_GNU_args_size: %ld\n", ul); | |
8678 | break; | |
8679 | ||
8680 | case DW_CFA_GNU_negative_offset_extended: | |
cd30bcef AM |
8681 | READ_ULEB (reg, start, end); |
8682 | READ_SLEB (l, start, end); | |
7f2c8a1d | 8683 | l = - l; |
665ce1f6 L |
8684 | if (frame_need_space (fc, reg) < 0) |
8685 | reg_prefix = bad_reg; | |
8686 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
8687 | printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n", | |
8688 | reg_prefix, regname (reg, 0), | |
c8071705 | 8689 | (long)(l * fc->data_factor)); |
665ce1f6 L |
8690 | if (*reg_prefix == '\0') |
8691 | { | |
8692 | fc->col_type[reg] = DW_CFA_offset; | |
8693 | fc->col_offset[reg] = l * fc->data_factor; | |
8694 | } | |
19e6b90e L |
8695 | break; |
8696 | ||
8697 | default: | |
53b8873b NC |
8698 | if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user) |
8699 | printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op); | |
8700 | else | |
f41e4712 | 8701 | warn (_("Unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op); |
19e6b90e L |
8702 | start = block_end; |
8703 | } | |
8704 | } | |
8705 | ||
5b6312fd NC |
8706 | /* Interpret the CFA - as long as it is not completely full of NOPs. */ |
8707 | if (do_debug_frames_interp && ! all_nops) | |
19e6b90e L |
8708 | frame_display_row (fc, &need_col_headers, &max_regs); |
8709 | ||
a788aedd AM |
8710 | if (fde_fc.col_type != NULL) |
8711 | { | |
8712 | free (fde_fc.col_type); | |
8713 | fde_fc.col_type = NULL; | |
8714 | } | |
8715 | if (fde_fc.col_offset != NULL) | |
8716 | { | |
8717 | free (fde_fc.col_offset); | |
8718 | fde_fc.col_offset = NULL; | |
8719 | } | |
8720 | ||
19e6b90e | 8721 | start = block_end; |
604282a7 | 8722 | eh_addr_size = saved_eh_addr_size; |
19e6b90e L |
8723 | } |
8724 | ||
8725 | printf ("\n"); | |
8726 | ||
3391569f NC |
8727 | while (remembered_state != NULL) |
8728 | { | |
8729 | rs = remembered_state; | |
8730 | remembered_state = rs->next; | |
8731 | free (rs->col_type); | |
8732 | free (rs->col_offset); | |
8733 | rs->next = NULL; /* Paranoia. */ | |
8734 | free (rs); | |
8735 | } | |
8736 | ||
8737 | while (chunks != NULL) | |
8738 | { | |
8739 | rs = chunks; | |
8740 | chunks = rs->next; | |
8741 | free (rs->col_type); | |
8742 | free (rs->col_offset); | |
8743 | rs->next = NULL; /* Paranoia. */ | |
8744 | free (rs); | |
8745 | } | |
8746 | ||
8747 | while (forward_refs != NULL) | |
8748 | { | |
8749 | rs = forward_refs; | |
8750 | forward_refs = rs->next; | |
8751 | free (rs->col_type); | |
8752 | free (rs->col_offset); | |
8753 | rs->next = NULL; /* Paranoia. */ | |
8754 | free (rs); | |
8755 | } | |
8756 | ||
19e6b90e L |
8757 | return 1; |
8758 | } | |
8759 | ||
8760 | #undef GET | |
19e6b90e | 8761 | |
61364358 JK |
8762 | static int |
8763 | display_debug_names (struct dwarf_section *section, void *file) | |
8764 | { | |
8765 | unsigned char *hdrptr = section->start; | |
8766 | dwarf_vma unit_length; | |
8767 | unsigned char *unit_start; | |
8768 | const unsigned char *const section_end = section->start + section->size; | |
8769 | unsigned char *unit_end; | |
8770 | ||
dda8d76d | 8771 | introduce (section, FALSE); |
61364358 | 8772 | |
dda8d76d | 8773 | load_debug_section_with_follow (str, file); |
61364358 JK |
8774 | |
8775 | for (; hdrptr < section_end; hdrptr = unit_end) | |
8776 | { | |
8777 | unsigned int offset_size; | |
8778 | uint16_t dwarf_version, padding; | |
8779 | uint32_t comp_unit_count, local_type_unit_count, foreign_type_unit_count; | |
8780 | uint32_t bucket_count, name_count, abbrev_table_size; | |
8781 | uint32_t augmentation_string_size; | |
8782 | unsigned int i; | |
e98fdf1a | 8783 | unsigned long sec_off; |
48467cb9 TV |
8784 | bfd_boolean augmentation_printable; |
8785 | const char *augmentation_string; | |
61364358 JK |
8786 | |
8787 | unit_start = hdrptr; | |
8788 | ||
8789 | /* Get and check the length of the block. */ | |
8790 | SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 4, section_end); | |
8791 | ||
8792 | if (unit_length == 0xffffffff) | |
8793 | { | |
8794 | /* This section is 64-bit DWARF. */ | |
8795 | SAFE_BYTE_GET_AND_INC (unit_length, hdrptr, 8, section_end); | |
8796 | offset_size = 8; | |
8797 | } | |
8798 | else | |
8799 | offset_size = 4; | |
8800 | unit_end = hdrptr + unit_length; | |
8801 | ||
e98fdf1a AM |
8802 | sec_off = hdrptr - section->start; |
8803 | if (sec_off + unit_length < sec_off | |
8804 | || sec_off + unit_length > section->size) | |
61364358 | 8805 | { |
e98fdf1a AM |
8806 | warn (_("Debug info is corrupted, %s header at %#lx has length %s\n"), |
8807 | section->name, | |
8808 | (unsigned long) (unit_start - section->start), | |
8809 | dwarf_vmatoa ("x", unit_length)); | |
61364358 JK |
8810 | return 0; |
8811 | } | |
8812 | ||
8813 | /* Get and check the version number. */ | |
8814 | SAFE_BYTE_GET_AND_INC (dwarf_version, hdrptr, 2, unit_end); | |
8815 | printf (_("Version %ld\n"), (long) dwarf_version); | |
8816 | ||
8817 | /* Prior versions did not exist, and future versions may not be | |
8818 | backwards compatible. */ | |
8819 | if (dwarf_version != 5) | |
8820 | { | |
8821 | warn (_("Only DWARF version 5 .debug_names " | |
8822 | "is currently supported.\n")); | |
8823 | return 0; | |
8824 | } | |
8825 | ||
8826 | SAFE_BYTE_GET_AND_INC (padding, hdrptr, 2, unit_end); | |
8827 | if (padding != 0) | |
8828 | warn (_("Padding field of .debug_names must be 0 (found 0x%x)\n"), | |
8829 | padding); | |
8830 | ||
8831 | SAFE_BYTE_GET_AND_INC (comp_unit_count, hdrptr, 4, unit_end); | |
8832 | if (comp_unit_count == 0) | |
8833 | warn (_("Compilation unit count must be >= 1 in .debug_names\n")); | |
8834 | ||
8835 | SAFE_BYTE_GET_AND_INC (local_type_unit_count, hdrptr, 4, unit_end); | |
8836 | SAFE_BYTE_GET_AND_INC (foreign_type_unit_count, hdrptr, 4, unit_end); | |
8837 | SAFE_BYTE_GET_AND_INC (bucket_count, hdrptr, 4, unit_end); | |
8838 | SAFE_BYTE_GET_AND_INC (name_count, hdrptr, 4, unit_end); | |
8839 | SAFE_BYTE_GET_AND_INC (abbrev_table_size, hdrptr, 4, unit_end); | |
8840 | ||
8841 | SAFE_BYTE_GET_AND_INC (augmentation_string_size, hdrptr, 4, unit_end); | |
8842 | if (augmentation_string_size % 4 != 0) | |
8843 | { | |
8844 | warn (_("Augmentation string length %u must be rounded up " | |
8845 | "to a multiple of 4 in .debug_names.\n"), | |
8846 | augmentation_string_size); | |
8847 | augmentation_string_size += (-augmentation_string_size) & 3; | |
8848 | } | |
48467cb9 | 8849 | |
61364358 | 8850 | printf (_("Augmentation string:")); |
48467cb9 TV |
8851 | |
8852 | augmentation_printable = TRUE; | |
8853 | augmentation_string = (const char *) hdrptr; | |
8854 | ||
61364358 JK |
8855 | for (i = 0; i < augmentation_string_size; i++) |
8856 | { | |
8857 | unsigned char uc; | |
8858 | ||
8859 | SAFE_BYTE_GET_AND_INC (uc, hdrptr, 1, unit_end); | |
8860 | printf (" %02x", uc); | |
48467cb9 TV |
8861 | |
8862 | if (uc != 0 && !ISPRINT (uc)) | |
8863 | augmentation_printable = FALSE; | |
8864 | } | |
8865 | ||
8866 | if (augmentation_printable) | |
8867 | { | |
8868 | printf (" (\""); | |
8869 | for (i = 0; | |
8870 | i < augmentation_string_size && augmentation_string[i]; | |
8871 | ++i) | |
8872 | putchar (augmentation_string[i]); | |
8873 | printf ("\")"); | |
61364358 | 8874 | } |
61364358 JK |
8875 | putchar ('\n'); |
8876 | ||
8877 | printf (_("CU table:\n")); | |
8878 | for (i = 0; i < comp_unit_count; i++) | |
8879 | { | |
8880 | uint64_t cu_offset; | |
8881 | ||
8882 | SAFE_BYTE_GET_AND_INC (cu_offset, hdrptr, offset_size, unit_end); | |
8883 | printf (_("[%3u] 0x%lx\n"), i, (unsigned long) cu_offset); | |
8884 | } | |
8885 | putchar ('\n'); | |
8886 | ||
8887 | printf (_("TU table:\n")); | |
8888 | for (i = 0; i < local_type_unit_count; i++) | |
8889 | { | |
8890 | uint64_t tu_offset; | |
8891 | ||
8892 | SAFE_BYTE_GET_AND_INC (tu_offset, hdrptr, offset_size, unit_end); | |
8893 | printf (_("[%3u] 0x%lx\n"), i, (unsigned long) tu_offset); | |
8894 | } | |
8895 | putchar ('\n'); | |
8896 | ||
8897 | printf (_("Foreign TU table:\n")); | |
8898 | for (i = 0; i < foreign_type_unit_count; i++) | |
8899 | { | |
8900 | uint64_t signature; | |
8901 | ||
8902 | SAFE_BYTE_GET_AND_INC (signature, hdrptr, 8, unit_end); | |
8903 | printf (_("[%3u] "), i); | |
8904 | print_dwarf_vma (signature, 8); | |
8905 | putchar ('\n'); | |
8906 | } | |
8907 | putchar ('\n'); | |
8908 | ||
8909 | const uint32_t *const hash_table_buckets = (uint32_t *) hdrptr; | |
8910 | hdrptr += bucket_count * sizeof (uint32_t); | |
8911 | const uint32_t *const hash_table_hashes = (uint32_t *) hdrptr; | |
8912 | hdrptr += name_count * sizeof (uint32_t); | |
8913 | unsigned char *const name_table_string_offsets = hdrptr; | |
8914 | hdrptr += name_count * offset_size; | |
8915 | unsigned char *const name_table_entry_offsets = hdrptr; | |
8916 | hdrptr += name_count * offset_size; | |
8917 | unsigned char *const abbrev_table = hdrptr; | |
8918 | hdrptr += abbrev_table_size; | |
8919 | const unsigned char *const abbrev_table_end = hdrptr; | |
8920 | unsigned char *const entry_pool = hdrptr; | |
8921 | if (hdrptr > unit_end) | |
8922 | { | |
8923 | warn (_("Entry pool offset (0x%lx) exceeds unit size 0x%lx " | |
8924 | "for unit 0x%lx in the debug_names\n"), | |
8925 | (long) (hdrptr - section->start), | |
8926 | (long) (unit_end - section->start), | |
8927 | (long) (unit_start - section->start)); | |
8928 | return 0; | |
8929 | } | |
8930 | ||
8931 | size_t buckets_filled = 0; | |
8932 | size_t bucketi; | |
8933 | for (bucketi = 0; bucketi < bucket_count; bucketi++) | |
8934 | { | |
8935 | const uint32_t bucket = hash_table_buckets[bucketi]; | |
8936 | ||
8937 | if (bucket != 0) | |
8938 | ++buckets_filled; | |
8939 | } | |
d3a49aa8 AM |
8940 | printf (ngettext ("Used %zu of %lu bucket.\n", |
8941 | "Used %zu of %lu buckets.\n", | |
8942 | bucket_count), | |
8943 | buckets_filled, (unsigned long) bucket_count); | |
61364358 | 8944 | |
0a79bef4 | 8945 | uint32_t hash_prev = 0; |
61364358 JK |
8946 | size_t hash_clash_count = 0; |
8947 | size_t longest_clash = 0; | |
8948 | size_t this_length = 0; | |
8949 | size_t hashi; | |
8950 | for (hashi = 0; hashi < name_count; hashi++) | |
8951 | { | |
8952 | const uint32_t hash_this = hash_table_hashes[hashi]; | |
8953 | ||
8954 | if (hashi > 0) | |
8955 | { | |
8956 | if (hash_prev % bucket_count == hash_this % bucket_count) | |
8957 | { | |
8958 | ++hash_clash_count; | |
8959 | ++this_length; | |
8960 | longest_clash = MAX (longest_clash, this_length); | |
8961 | } | |
8962 | else | |
8963 | this_length = 0; | |
8964 | } | |
8965 | hash_prev = hash_this; | |
8966 | } | |
8967 | printf (_("Out of %lu items there are %zu bucket clashes" | |
8968 | " (longest of %zu entries).\n"), | |
8969 | (unsigned long) name_count, hash_clash_count, longest_clash); | |
8970 | assert (name_count == buckets_filled + hash_clash_count); | |
8971 | ||
8972 | struct abbrev_lookup_entry | |
8973 | { | |
8974 | dwarf_vma abbrev_tag; | |
8975 | unsigned char *abbrev_lookup_ptr; | |
8976 | }; | |
8977 | struct abbrev_lookup_entry *abbrev_lookup = NULL; | |
8978 | size_t abbrev_lookup_used = 0; | |
8979 | size_t abbrev_lookup_allocated = 0; | |
8980 | ||
8981 | unsigned char *abbrevptr = abbrev_table; | |
8982 | for (;;) | |
8983 | { | |
cd30bcef AM |
8984 | dwarf_vma abbrev_tag; |
8985 | ||
8986 | READ_ULEB (abbrev_tag, abbrevptr, abbrev_table_end); | |
61364358 JK |
8987 | if (abbrev_tag == 0) |
8988 | break; | |
8989 | if (abbrev_lookup_used == abbrev_lookup_allocated) | |
8990 | { | |
8991 | abbrev_lookup_allocated = MAX (0x100, | |
8992 | abbrev_lookup_allocated * 2); | |
8993 | abbrev_lookup = xrealloc (abbrev_lookup, | |
8994 | (abbrev_lookup_allocated | |
8995 | * sizeof (*abbrev_lookup))); | |
8996 | } | |
8997 | assert (abbrev_lookup_used < abbrev_lookup_allocated); | |
8998 | struct abbrev_lookup_entry *entry; | |
8999 | for (entry = abbrev_lookup; | |
9000 | entry < abbrev_lookup + abbrev_lookup_used; | |
9001 | entry++) | |
9002 | if (entry->abbrev_tag == abbrev_tag) | |
9003 | { | |
9004 | warn (_("Duplicate abbreviation tag %lu " | |
9005 | "in unit 0x%lx in the debug_names\n"), | |
9006 | (long) abbrev_tag, (long) (unit_start - section->start)); | |
9007 | break; | |
9008 | } | |
9009 | entry = &abbrev_lookup[abbrev_lookup_used++]; | |
9010 | entry->abbrev_tag = abbrev_tag; | |
9011 | entry->abbrev_lookup_ptr = abbrevptr; | |
9012 | ||
9013 | /* Skip DWARF tag. */ | |
cd30bcef | 9014 | SKIP_ULEB (abbrevptr, abbrev_table_end); |
61364358 JK |
9015 | for (;;) |
9016 | { | |
cd30bcef AM |
9017 | dwarf_vma xindex, form; |
9018 | ||
9019 | READ_ULEB (xindex, abbrevptr, abbrev_table_end); | |
9020 | READ_ULEB (form, abbrevptr, abbrev_table_end); | |
1d827a72 | 9021 | if (xindex == 0 && form == 0) |
61364358 JK |
9022 | break; |
9023 | } | |
9024 | } | |
9025 | ||
9026 | printf (_("\nSymbol table:\n")); | |
9027 | uint32_t namei; | |
9028 | for (namei = 0; namei < name_count; ++namei) | |
9029 | { | |
9030 | uint64_t string_offset, entry_offset; | |
9031 | ||
9032 | SAFE_BYTE_GET (string_offset, | |
9033 | name_table_string_offsets + namei * offset_size, | |
9034 | offset_size, unit_end); | |
9035 | SAFE_BYTE_GET (entry_offset, | |
9036 | name_table_entry_offsets + namei * offset_size, | |
9037 | offset_size, unit_end); | |
9038 | ||
9039 | printf ("[%3u] #%08x %s:", namei, hash_table_hashes[namei], | |
9040 | fetch_indirect_string (string_offset)); | |
9041 | ||
9042 | unsigned char *entryptr = entry_pool + entry_offset; | |
9043 | ||
9044 | // We need to scan first whether there is a single or multiple | |
9045 | // entries. TAGNO is -2 for the first entry, it is -1 for the | |
9046 | // initial tag read of the second entry, then it becomes 0 for the | |
9047 | // first entry for real printing etc. | |
9048 | int tagno = -2; | |
9049 | /* Initialize it due to a false compiler warning. */ | |
9050 | dwarf_vma second_abbrev_tag = -1; | |
9051 | for (;;) | |
9052 | { | |
cd30bcef AM |
9053 | dwarf_vma abbrev_tag; |
9054 | dwarf_vma dwarf_tag; | |
9055 | const struct abbrev_lookup_entry *entry; | |
9056 | ||
9057 | READ_ULEB (abbrev_tag, entryptr, unit_end); | |
61364358 JK |
9058 | if (tagno == -1) |
9059 | { | |
9060 | second_abbrev_tag = abbrev_tag; | |
9061 | tagno = 0; | |
9062 | entryptr = entry_pool + entry_offset; | |
9063 | continue; | |
9064 | } | |
9065 | if (abbrev_tag == 0) | |
9066 | break; | |
9067 | if (tagno >= 0) | |
9068 | printf ("%s<%lu>", | |
9069 | (tagno == 0 && second_abbrev_tag == 0 ? " " : "\n\t"), | |
9070 | (unsigned long) abbrev_tag); | |
9071 | ||
61364358 JK |
9072 | for (entry = abbrev_lookup; |
9073 | entry < abbrev_lookup + abbrev_lookup_used; | |
9074 | entry++) | |
9075 | if (entry->abbrev_tag == abbrev_tag) | |
9076 | break; | |
9077 | if (entry >= abbrev_lookup + abbrev_lookup_used) | |
9078 | { | |
9079 | warn (_("Undefined abbreviation tag %lu " | |
9080 | "in unit 0x%lx in the debug_names\n"), | |
9081 | (long) abbrev_tag, | |
9082 | (long) (unit_start - section->start)); | |
9083 | break; | |
9084 | } | |
9085 | abbrevptr = entry->abbrev_lookup_ptr; | |
cd30bcef | 9086 | READ_ULEB (dwarf_tag, abbrevptr, abbrev_table_end); |
61364358 JK |
9087 | if (tagno >= 0) |
9088 | printf (" %s", get_TAG_name (dwarf_tag)); | |
9089 | for (;;) | |
9090 | { | |
cd30bcef AM |
9091 | dwarf_vma xindex, form; |
9092 | ||
9093 | READ_ULEB (xindex, abbrevptr, abbrev_table_end); | |
9094 | READ_ULEB (form, abbrevptr, abbrev_table_end); | |
1d827a72 | 9095 | if (xindex == 0 && form == 0) |
61364358 JK |
9096 | break; |
9097 | ||
9098 | if (tagno >= 0) | |
1d827a72 | 9099 | printf (" %s", get_IDX_name (xindex)); |
ec1b0fbb NC |
9100 | entryptr = read_and_display_attr_value (0, form, 0, |
9101 | unit_start, entryptr, unit_end, | |
9102 | 0, 0, offset_size, | |
61364358 JK |
9103 | dwarf_version, NULL, |
9104 | (tagno < 0), NULL, | |
ec1b0fbb | 9105 | NULL, '=', -1); |
61364358 JK |
9106 | } |
9107 | ++tagno; | |
9108 | } | |
9109 | if (tagno <= 0) | |
9110 | printf (_(" <no entries>")); | |
9111 | putchar ('\n'); | |
9112 | } | |
9113 | ||
9114 | free (abbrev_lookup); | |
9115 | } | |
9116 | ||
9117 | return 1; | |
9118 | } | |
9119 | ||
dda8d76d | 9120 | static int |
d85bf2ba NC |
9121 | display_debug_links (struct dwarf_section * section, |
9122 | void * file ATTRIBUTE_UNUSED) | |
dda8d76d NC |
9123 | { |
9124 | const unsigned char * filename; | |
9125 | unsigned int filelen; | |
9126 | ||
9127 | introduce (section, FALSE); | |
9128 | ||
9129 | /* The .gnu_debuglink section is formatted as: | |
9130 | (c-string) Filename. | |
9131 | (padding) If needed to reach a 4 byte boundary. | |
9132 | (uint32_t) CRC32 value. | |
9133 | ||
9134 | The .gun_debugaltlink section is formatted as: | |
9135 | (c-string) Filename. | |
9136 | (binary) Build-ID. */ | |
9137 | ||
9138 | filename = section->start; | |
9139 | filelen = strnlen ((const char *) filename, section->size); | |
9140 | if (filelen == section->size) | |
9141 | { | |
9142 | warn (_("The debuglink filename is corrupt/missing\n")); | |
9143 | return 0; | |
9144 | } | |
9145 | ||
9146 | printf (_(" Separate debug info file: %s\n"), filename); | |
9147 | ||
9148 | if (const_strneq (section->name, ".gnu_debuglink")) | |
9149 | { | |
9150 | unsigned int crc32; | |
9151 | unsigned int crc_offset; | |
9152 | ||
9153 | crc_offset = filelen + 1; | |
9154 | crc_offset = (crc_offset + 3) & ~3; | |
9155 | if (crc_offset + 4 > section->size) | |
9156 | { | |
9157 | warn (_("CRC offset missing/truncated\n")); | |
9158 | return 0; | |
9159 | } | |
9160 | ||
9161 | crc32 = byte_get (filename + crc_offset, 4); | |
9162 | ||
9163 | printf (_(" CRC value: %#x\n"), crc32); | |
9164 | ||
9165 | if (crc_offset + 4 < section->size) | |
9166 | { | |
9167 | warn (_("There are %#lx extraneous bytes at the end of the section\n"), | |
9168 | (long)(section->size - (crc_offset + 4))); | |
9169 | return 0; | |
9170 | } | |
9171 | } | |
9172 | else /* const_strneq (section->name, ".gnu_debugaltlink") */ | |
9173 | { | |
9174 | const unsigned char * build_id = section->start + filelen + 1; | |
9175 | bfd_size_type build_id_len = section->size - (filelen + 1); | |
9176 | bfd_size_type printed; | |
9177 | ||
9178 | /* FIXME: Should we support smaller build-id notes ? */ | |
9179 | if (build_id_len < 0x14) | |
9180 | { | |
9181 | warn (_("Build-ID is too short (%#lx bytes)\n"), (long) build_id_len); | |
9182 | return 0; | |
9183 | } | |
9184 | ||
9185 | printed = printf (_(" Build-ID (%#lx bytes):"), (long) build_id_len); | |
d85bf2ba | 9186 | display_data (printed, build_id, build_id_len); |
dda8d76d NC |
9187 | putchar ('\n'); |
9188 | } | |
9189 | ||
9190 | putchar ('\n'); | |
9191 | return 1; | |
9192 | } | |
9193 | ||
5bbdf3d5 DE |
9194 | static int |
9195 | display_gdb_index (struct dwarf_section *section, | |
9196 | void *file ATTRIBUTE_UNUSED) | |
9197 | { | |
9198 | unsigned char *start = section->start; | |
9199 | uint32_t version; | |
9200 | uint32_t cu_list_offset, tu_list_offset; | |
9201 | uint32_t address_table_offset, symbol_table_offset, constant_pool_offset; | |
9202 | unsigned int cu_list_elements, tu_list_elements; | |
9203 | unsigned int address_table_size, symbol_table_slots; | |
9204 | unsigned char *cu_list, *tu_list; | |
9205 | unsigned char *address_table, *symbol_table, *constant_pool; | |
9206 | unsigned int i; | |
9207 | ||
9208 | /* The documentation for the format of this file is in gdb/dwarf2read.c. */ | |
9209 | ||
dda8d76d | 9210 | introduce (section, FALSE); |
5bbdf3d5 DE |
9211 | |
9212 | if (section->size < 6 * sizeof (uint32_t)) | |
9213 | { | |
9214 | warn (_("Truncated header in the %s section.\n"), section->name); | |
9215 | return 0; | |
9216 | } | |
9217 | ||
9218 | version = byte_get_little_endian (start, 4); | |
da88a764 | 9219 | printf (_("Version %ld\n"), (long) version); |
5bbdf3d5 DE |
9220 | |
9221 | /* Prior versions are obsolete, and future versions may not be | |
9222 | backwards compatible. */ | |
aa170720 | 9223 | if (version < 3 || version > 8) |
5bbdf3d5 | 9224 | { |
da88a764 | 9225 | warn (_("Unsupported version %lu.\n"), (unsigned long) version); |
5bbdf3d5 DE |
9226 | return 0; |
9227 | } | |
8d6eee87 TT |
9228 | if (version < 4) |
9229 | warn (_("The address table data in version 3 may be wrong.\n")); | |
9230 | if (version < 5) | |
9231 | warn (_("Version 4 does not support case insensitive lookups.\n")); | |
9232 | if (version < 6) | |
9233 | warn (_("Version 5 does not include inlined functions.\n")); | |
9234 | if (version < 7) | |
9235 | warn (_("Version 6 does not include symbol attributes.\n")); | |
aa170720 DE |
9236 | /* Version 7 indices generated by Gold have bad type unit references, |
9237 | PR binutils/15021. But we don't know if the index was generated by | |
9238 | Gold or not, so to avoid worrying users with gdb-generated indices | |
9239 | we say nothing for version 7 here. */ | |
5bbdf3d5 DE |
9240 | |
9241 | cu_list_offset = byte_get_little_endian (start + 4, 4); | |
9242 | tu_list_offset = byte_get_little_endian (start + 8, 4); | |
9243 | address_table_offset = byte_get_little_endian (start + 12, 4); | |
9244 | symbol_table_offset = byte_get_little_endian (start + 16, 4); | |
9245 | constant_pool_offset = byte_get_little_endian (start + 20, 4); | |
9246 | ||
9247 | if (cu_list_offset > section->size | |
9248 | || tu_list_offset > section->size | |
9249 | || address_table_offset > section->size | |
9250 | || symbol_table_offset > section->size | |
9251 | || constant_pool_offset > section->size) | |
9252 | { | |
9253 | warn (_("Corrupt header in the %s section.\n"), section->name); | |
9254 | return 0; | |
9255 | } | |
9256 | ||
53774b7e NC |
9257 | /* PR 17531: file: 418d0a8a. */ |
9258 | if (tu_list_offset < cu_list_offset) | |
9259 | { | |
9260 | warn (_("TU offset (%x) is less than CU offset (%x)\n"), | |
9261 | tu_list_offset, cu_list_offset); | |
9262 | return 0; | |
9263 | } | |
9264 | ||
5bbdf3d5 | 9265 | cu_list_elements = (tu_list_offset - cu_list_offset) / 8; |
53774b7e NC |
9266 | |
9267 | if (address_table_offset < tu_list_offset) | |
9268 | { | |
9269 | warn (_("Address table offset (%x) is less than TU offset (%x)\n"), | |
9270 | address_table_offset, tu_list_offset); | |
9271 | return 0; | |
9272 | } | |
9273 | ||
5bbdf3d5 | 9274 | tu_list_elements = (address_table_offset - tu_list_offset) / 8; |
53774b7e NC |
9275 | |
9276 | /* PR 17531: file: 18a47d3d. */ | |
9277 | if (symbol_table_offset < address_table_offset) | |
9278 | { | |
13bace4a | 9279 | warn (_("Symbol table offset (%x) is less then Address table offset (%x)\n"), |
53774b7e NC |
9280 | symbol_table_offset, address_table_offset); |
9281 | return 0; | |
9282 | } | |
9283 | ||
5bbdf3d5 | 9284 | address_table_size = symbol_table_offset - address_table_offset; |
53774b7e NC |
9285 | |
9286 | if (constant_pool_offset < symbol_table_offset) | |
9287 | { | |
9288 | warn (_("Constant pool offset (%x) is less than symbol table offset (%x)\n"), | |
9289 | constant_pool_offset, symbol_table_offset); | |
9290 | return 0; | |
9291 | } | |
9292 | ||
5bbdf3d5 DE |
9293 | symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8; |
9294 | ||
9295 | cu_list = start + cu_list_offset; | |
9296 | tu_list = start + tu_list_offset; | |
9297 | address_table = start + address_table_offset; | |
9298 | symbol_table = start + symbol_table_offset; | |
9299 | constant_pool = start + constant_pool_offset; | |
9300 | ||
28d909e5 | 9301 | if (address_table + address_table_size > section->start + section->size) |
acff9664 | 9302 | { |
1306a742 | 9303 | warn (_("Address table extends beyond end of section.\n")); |
acff9664 NC |
9304 | return 0; |
9305 | } | |
b4eb7656 | 9306 | |
5bbdf3d5 DE |
9307 | printf (_("\nCU table:\n")); |
9308 | for (i = 0; i < cu_list_elements; i += 2) | |
9309 | { | |
9310 | uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8); | |
9311 | uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8); | |
9312 | ||
9313 | printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2, | |
9314 | (unsigned long) cu_offset, | |
9315 | (unsigned long) (cu_offset + cu_length - 1)); | |
9316 | } | |
9317 | ||
9318 | printf (_("\nTU table:\n")); | |
9319 | for (i = 0; i < tu_list_elements; i += 3) | |
9320 | { | |
9321 | uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8); | |
9322 | uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8); | |
9323 | uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8); | |
9324 | ||
9325 | printf (_("[%3u] 0x%lx 0x%lx "), i / 3, | |
9326 | (unsigned long) tu_offset, | |
9327 | (unsigned long) type_offset); | |
9328 | print_dwarf_vma (signature, 8); | |
9329 | printf ("\n"); | |
9330 | } | |
9331 | ||
9332 | printf (_("\nAddress table:\n")); | |
acff9664 NC |
9333 | for (i = 0; i < address_table_size && i <= address_table_size - (2 * 8 + 4); |
9334 | i += 2 * 8 + 4) | |
5bbdf3d5 DE |
9335 | { |
9336 | uint64_t low = byte_get_little_endian (address_table + i, 8); | |
9337 | uint64_t high = byte_get_little_endian (address_table + i + 8, 8); | |
9338 | uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4); | |
9339 | ||
9340 | print_dwarf_vma (low, 8); | |
9341 | print_dwarf_vma (high, 8); | |
da88a764 | 9342 | printf (_("%lu\n"), (unsigned long) cu_index); |
5bbdf3d5 DE |
9343 | } |
9344 | ||
9345 | printf (_("\nSymbol table:\n")); | |
9346 | for (i = 0; i < symbol_table_slots; ++i) | |
9347 | { | |
9348 | uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4); | |
9349 | uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4); | |
9350 | uint32_t num_cus, cu; | |
9351 | ||
9352 | if (name_offset != 0 | |
9353 | || cu_vector_offset != 0) | |
9354 | { | |
9355 | unsigned int j; | |
362beea4 | 9356 | unsigned char * adr; |
5bbdf3d5 | 9357 | |
362beea4 | 9358 | adr = constant_pool + name_offset; |
53774b7e | 9359 | /* PR 17531: file: 5b7b07ad. */ |
362beea4 | 9360 | if (adr < constant_pool || adr >= section->start + section->size) |
53774b7e NC |
9361 | { |
9362 | printf (_("[%3u] <corrupt offset: %x>"), i, name_offset); | |
9363 | warn (_("Corrupt name offset of 0x%x found for symbol table slot %d\n"), | |
9364 | name_offset, i); | |
9365 | } | |
9366 | else | |
acff9664 NC |
9367 | printf ("[%3u] %.*s:", i, |
9368 | (int) (section->size - (constant_pool_offset + name_offset)), | |
9369 | constant_pool + name_offset); | |
53774b7e | 9370 | |
362beea4 NC |
9371 | adr = constant_pool + cu_vector_offset; |
9372 | if (adr < constant_pool || adr >= section->start + section->size - 3) | |
53774b7e NC |
9373 | { |
9374 | printf (_("<invalid CU vector offset: %x>\n"), cu_vector_offset); | |
9375 | warn (_("Corrupt CU vector offset of 0x%x found for symbol table slot %d\n"), | |
9376 | cu_vector_offset, i); | |
9377 | continue; | |
9378 | } | |
57028622 | 9379 | |
362beea4 | 9380 | num_cus = byte_get_little_endian (adr, 4); |
53774b7e | 9381 | |
362beea4 | 9382 | adr = constant_pool + cu_vector_offset + 4 + num_cus * 4; |
acff9664 | 9383 | if (num_cus * 4 < num_cus |
362beea4 NC |
9384 | || adr >= section->start + section->size |
9385 | || adr < constant_pool) | |
53774b7e NC |
9386 | { |
9387 | printf ("<invalid number of CUs: %d>\n", num_cus); | |
acff9664 | 9388 | warn (_("Invalid number of CUs (0x%x) for symbol table slot %d\n"), |
53774b7e NC |
9389 | num_cus, i); |
9390 | continue; | |
9391 | } | |
9392 | ||
8d6eee87 TT |
9393 | if (num_cus > 1) |
9394 | printf ("\n"); | |
f3853b34 | 9395 | |
5bbdf3d5 DE |
9396 | for (j = 0; j < num_cus; ++j) |
9397 | { | |
7c1cef97 | 9398 | int is_static; |
8d6eee87 TT |
9399 | gdb_index_symbol_kind kind; |
9400 | ||
5bbdf3d5 | 9401 | cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4); |
7c1cef97 | 9402 | is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu); |
8d6eee87 TT |
9403 | kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu); |
9404 | cu = GDB_INDEX_CU_VALUE (cu); | |
5bbdf3d5 | 9405 | /* Convert to TU number if it's for a type unit. */ |
ad6b52dd | 9406 | if (cu >= cu_list_elements / 2) |
8d6eee87 TT |
9407 | printf ("%cT%lu", num_cus > 1 ? '\t' : ' ', |
9408 | (unsigned long) (cu - cu_list_elements / 2)); | |
5bbdf3d5 | 9409 | else |
8d6eee87 TT |
9410 | printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu); |
9411 | ||
459d52c8 DE |
9412 | printf (" [%s, %s]", |
9413 | is_static ? _("static") : _("global"), | |
9414 | get_gdb_index_symbol_kind_name (kind)); | |
8d6eee87 TT |
9415 | if (num_cus > 1) |
9416 | printf ("\n"); | |
5bbdf3d5 | 9417 | } |
8d6eee87 TT |
9418 | if (num_cus <= 1) |
9419 | printf ("\n"); | |
5bbdf3d5 DE |
9420 | } |
9421 | } | |
9422 | ||
9423 | return 1; | |
9424 | } | |
9425 | ||
657d0d47 CC |
9426 | /* Pre-allocate enough space for the CU/TU sets needed. */ |
9427 | ||
9428 | static void | |
9429 | prealloc_cu_tu_list (unsigned int nshndx) | |
9430 | { | |
9431 | if (shndx_pool == NULL) | |
9432 | { | |
9433 | shndx_pool_size = nshndx; | |
9434 | shndx_pool_used = 0; | |
9435 | shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size, | |
9436 | sizeof (unsigned int)); | |
9437 | } | |
9438 | else | |
9439 | { | |
9440 | shndx_pool_size = shndx_pool_used + nshndx; | |
9441 | shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size, | |
9442 | sizeof (unsigned int)); | |
9443 | } | |
9444 | } | |
9445 | ||
9446 | static void | |
9447 | add_shndx_to_cu_tu_entry (unsigned int shndx) | |
9448 | { | |
9449 | if (shndx_pool_used >= shndx_pool_size) | |
9450 | { | |
9451 | error (_("Internal error: out of space in the shndx pool.\n")); | |
9452 | return; | |
9453 | } | |
9454 | shndx_pool [shndx_pool_used++] = shndx; | |
9455 | } | |
9456 | ||
9457 | static void | |
9458 | end_cu_tu_entry (void) | |
9459 | { | |
9460 | if (shndx_pool_used >= shndx_pool_size) | |
9461 | { | |
9462 | error (_("Internal error: out of space in the shndx pool.\n")); | |
9463 | return; | |
9464 | } | |
9465 | shndx_pool [shndx_pool_used++] = 0; | |
9466 | } | |
9467 | ||
341f9135 CC |
9468 | /* Return the short name of a DWARF section given by a DW_SECT enumerator. */ |
9469 | ||
9470 | static const char * | |
9471 | get_DW_SECT_short_name (unsigned int dw_sect) | |
9472 | { | |
9473 | static char buf[16]; | |
9474 | ||
9475 | switch (dw_sect) | |
9476 | { | |
9477 | case DW_SECT_INFO: | |
9478 | return "info"; | |
9479 | case DW_SECT_TYPES: | |
9480 | return "types"; | |
9481 | case DW_SECT_ABBREV: | |
9482 | return "abbrev"; | |
9483 | case DW_SECT_LINE: | |
9484 | return "line"; | |
9485 | case DW_SECT_LOC: | |
9486 | return "loc"; | |
9487 | case DW_SECT_STR_OFFSETS: | |
9488 | return "str_off"; | |
9489 | case DW_SECT_MACINFO: | |
9490 | return "macinfo"; | |
9491 | case DW_SECT_MACRO: | |
9492 | return "macro"; | |
9493 | default: | |
b4eb7656 | 9494 | break; |
341f9135 CC |
9495 | } |
9496 | ||
9497 | snprintf (buf, sizeof (buf), "%d", dw_sect); | |
9498 | return buf; | |
9499 | } | |
9500 | ||
9501 | /* Process a CU or TU index. If DO_DISPLAY is true, print the contents. | |
9502 | These sections are extensions for Fission. | |
9503 | See http://gcc.gnu.org/wiki/DebugFissionDWP. */ | |
657d0d47 CC |
9504 | |
9505 | static int | |
9506 | process_cu_tu_index (struct dwarf_section *section, int do_display) | |
9507 | { | |
9508 | unsigned char *phdr = section->start; | |
9509 | unsigned char *limit = phdr + section->size; | |
9510 | unsigned char *phash; | |
9511 | unsigned char *pindex; | |
9512 | unsigned char *ppool; | |
9513 | unsigned int version; | |
341f9135 | 9514 | unsigned int ncols = 0; |
657d0d47 CC |
9515 | unsigned int nused; |
9516 | unsigned int nslots; | |
9517 | unsigned int i; | |
341f9135 CC |
9518 | unsigned int j; |
9519 | dwarf_vma signature_high; | |
9520 | dwarf_vma signature_low; | |
9521 | char buf[64]; | |
657d0d47 | 9522 | |
6937bb54 NC |
9523 | /* PR 17512: file: 002-168123-0.004. */ |
9524 | if (phdr == NULL) | |
9525 | { | |
9526 | warn (_("Section %s is empty\n"), section->name); | |
9527 | return 0; | |
9528 | } | |
9529 | /* PR 17512: file: 002-376-0.004. */ | |
9530 | if (section->size < 24) | |
9531 | { | |
72c61a0d | 9532 | warn (_("Section %s is too small to contain a CU/TU header\n"), |
6937bb54 NC |
9533 | section->name); |
9534 | return 0; | |
9535 | } | |
9536 | ||
9537 | SAFE_BYTE_GET (version, phdr, 4, limit); | |
341f9135 | 9538 | if (version >= 2) |
6937bb54 NC |
9539 | SAFE_BYTE_GET (ncols, phdr + 4, 4, limit); |
9540 | SAFE_BYTE_GET (nused, phdr + 8, 4, limit); | |
9541 | SAFE_BYTE_GET (nslots, phdr + 12, 4, limit); | |
9542 | ||
657d0d47 | 9543 | phash = phdr + 16; |
8e2e3c6c AM |
9544 | pindex = phash + (size_t) nslots * 8; |
9545 | ppool = pindex + (size_t) nslots * 4; | |
57028622 | 9546 | |
657d0d47 CC |
9547 | if (do_display) |
9548 | { | |
dda8d76d NC |
9549 | introduce (section, FALSE); |
9550 | ||
8e2e3c6c | 9551 | printf (_(" Version: %u\n"), version); |
341f9135 | 9552 | if (version >= 2) |
8e2e3c6c AM |
9553 | printf (_(" Number of columns: %u\n"), ncols); |
9554 | printf (_(" Number of used entries: %u\n"), nused); | |
9555 | printf (_(" Number of slots: %u\n\n"), nslots); | |
657d0d47 CC |
9556 | } |
9557 | ||
8e2e3c6c AM |
9558 | /* PR 17531: file: 45d69832. */ |
9559 | if ((size_t) nslots * 8 / 8 != nslots | |
9560 | || phash < phdr || phash > limit | |
9561 | || pindex < phash || pindex > limit | |
9562 | || ppool < pindex || ppool > limit) | |
657d0d47 | 9563 | { |
8e2e3c6c AM |
9564 | warn (ngettext ("Section %s is too small for %u slot\n", |
9565 | "Section %s is too small for %u slots\n", | |
9566 | nslots), | |
657d0d47 CC |
9567 | section->name, nslots); |
9568 | return 0; | |
9569 | } | |
9570 | ||
341f9135 | 9571 | if (version == 1) |
657d0d47 | 9572 | { |
341f9135 CC |
9573 | if (!do_display) |
9574 | prealloc_cu_tu_list ((limit - ppool) / 4); | |
9575 | for (i = 0; i < nslots; i++) | |
657d0d47 | 9576 | { |
341f9135 CC |
9577 | unsigned char *shndx_list; |
9578 | unsigned int shndx; | |
9579 | ||
6937bb54 | 9580 | SAFE_BYTE_GET64 (phash, &signature_high, &signature_low, limit); |
341f9135 | 9581 | if (signature_high != 0 || signature_low != 0) |
657d0d47 | 9582 | { |
6937bb54 | 9583 | SAFE_BYTE_GET (j, pindex, 4, limit); |
341f9135 | 9584 | shndx_list = ppool + j * 4; |
f3853b34 NC |
9585 | /* PR 17531: file: 705e010d. */ |
9586 | if (shndx_list < ppool) | |
9587 | { | |
9588 | warn (_("Section index pool located before start of section\n")); | |
9589 | return 0; | |
9590 | } | |
9591 | ||
341f9135 CC |
9592 | if (do_display) |
9593 | printf (_(" [%3d] Signature: 0x%s Sections: "), | |
9594 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
9595 | buf, sizeof (buf))); | |
9596 | for (;;) | |
657d0d47 | 9597 | { |
341f9135 CC |
9598 | if (shndx_list >= limit) |
9599 | { | |
9600 | warn (_("Section %s too small for shndx pool\n"), | |
9601 | section->name); | |
9602 | return 0; | |
9603 | } | |
6937bb54 | 9604 | SAFE_BYTE_GET (shndx, shndx_list, 4, limit); |
341f9135 CC |
9605 | if (shndx == 0) |
9606 | break; | |
9607 | if (do_display) | |
9608 | printf (" %d", shndx); | |
9609 | else | |
9610 | add_shndx_to_cu_tu_entry (shndx); | |
9611 | shndx_list += 4; | |
657d0d47 | 9612 | } |
657d0d47 | 9613 | if (do_display) |
341f9135 | 9614 | printf ("\n"); |
657d0d47 | 9615 | else |
341f9135 CC |
9616 | end_cu_tu_entry (); |
9617 | } | |
9618 | phash += 8; | |
9619 | pindex += 4; | |
9620 | } | |
9621 | } | |
9622 | else if (version == 2) | |
9623 | { | |
9624 | unsigned int val; | |
9625 | unsigned int dw_sect; | |
9626 | unsigned char *ph = phash; | |
9627 | unsigned char *pi = pindex; | |
8e2e3c6c AM |
9628 | unsigned char *poffsets = ppool + (size_t) ncols * 4; |
9629 | unsigned char *psizes = poffsets + (size_t) nused * ncols * 4; | |
9630 | unsigned char *pend = psizes + (size_t) nused * ncols * 4; | |
341f9135 CC |
9631 | bfd_boolean is_tu_index; |
9632 | struct cu_tu_set *this_set = NULL; | |
9633 | unsigned int row; | |
9634 | unsigned char *prow; | |
9635 | ||
9636 | is_tu_index = strcmp (section->name, ".debug_tu_index") == 0; | |
9637 | ||
362beea4 | 9638 | /* PR 17531: file: 0dd159bf. |
8e2e3c6c AM |
9639 | Check for integer overflow (can occur when size_t is 32-bit) |
9640 | with overlarge ncols or nused values. */ | |
4ac948a0 NC |
9641 | if (ncols > 0 |
9642 | && ((size_t) ncols * 4 / 4 != ncols | |
9643 | || (size_t) nused * ncols * 4 / ((size_t) ncols * 4) != nused | |
9644 | || poffsets < ppool || poffsets > limit | |
9645 | || psizes < poffsets || psizes > limit | |
9646 | || pend < psizes || pend > limit)) | |
341f9135 CC |
9647 | { |
9648 | warn (_("Section %s too small for offset and size tables\n"), | |
9649 | section->name); | |
9650 | return 0; | |
9651 | } | |
9652 | ||
9653 | if (do_display) | |
9654 | { | |
9655 | printf (_(" Offset table\n")); | |
9656 | printf (" slot %-16s ", | |
9657 | is_tu_index ? _("signature") : _("dwo_id")); | |
9658 | } | |
9659 | else | |
9660 | { | |
9661 | if (is_tu_index) | |
9662 | { | |
9663 | tu_count = nused; | |
72c61a0d | 9664 | tu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set)); |
341f9135 | 9665 | this_set = tu_sets; |
657d0d47 | 9666 | } |
657d0d47 | 9667 | else |
341f9135 CC |
9668 | { |
9669 | cu_count = nused; | |
72c61a0d | 9670 | cu_sets = xcalloc2 (nused, sizeof (struct cu_tu_set)); |
341f9135 CC |
9671 | this_set = cu_sets; |
9672 | } | |
9673 | } | |
6937bb54 | 9674 | |
341f9135 CC |
9675 | if (do_display) |
9676 | { | |
9677 | for (j = 0; j < ncols; j++) | |
9678 | { | |
6937bb54 | 9679 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
341f9135 CC |
9680 | printf (" %8s", get_DW_SECT_short_name (dw_sect)); |
9681 | } | |
9682 | printf ("\n"); | |
9683 | } | |
6937bb54 | 9684 | |
341f9135 CC |
9685 | for (i = 0; i < nslots; i++) |
9686 | { | |
6937bb54 NC |
9687 | SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit); |
9688 | ||
9689 | SAFE_BYTE_GET (row, pi, 4, limit); | |
341f9135 CC |
9690 | if (row != 0) |
9691 | { | |
591f7597 | 9692 | /* PR 17531: file: a05f6ab3. */ |
ef77750e | 9693 | if (row > nused) |
591f7597 NC |
9694 | { |
9695 | warn (_("Row index (%u) is larger than number of used entries (%u)\n"), | |
9696 | row, nused); | |
9697 | return 0; | |
9698 | } | |
9699 | ||
341f9135 | 9700 | if (!do_display) |
6aea08d9 NC |
9701 | { |
9702 | size_t num_copy = sizeof (uint64_t); | |
9703 | ||
9704 | /* PR 23064: Beware of buffer overflow. */ | |
9705 | if (ph + num_copy < limit) | |
9706 | memcpy (&this_set[row - 1].signature, ph, num_copy); | |
9707 | else | |
9708 | { | |
9709 | warn (_("Signature (%p) extends beyond end of space in section\n"), ph); | |
9710 | return 0; | |
9711 | } | |
9712 | } | |
6937bb54 | 9713 | |
341f9135 | 9714 | prow = poffsets + (row - 1) * ncols * 4; |
ffc0f143 NC |
9715 | /* PR 17531: file: b8ce60a8. */ |
9716 | if (prow < poffsets || prow > limit) | |
9717 | { | |
9718 | warn (_("Row index (%u) * num columns (%u) > space remaining in section\n"), | |
9719 | row, ncols); | |
9720 | return 0; | |
9721 | } | |
3aade688 | 9722 | |
341f9135 CC |
9723 | if (do_display) |
9724 | printf (_(" [%3d] 0x%s"), | |
9725 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
9726 | buf, sizeof (buf))); | |
9727 | for (j = 0; j < ncols; j++) | |
9728 | { | |
6937bb54 | 9729 | SAFE_BYTE_GET (val, prow + j * 4, 4, limit); |
341f9135 CC |
9730 | if (do_display) |
9731 | printf (" %8d", val); | |
9732 | else | |
9733 | { | |
6937bb54 | 9734 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
82b1b41b NC |
9735 | |
9736 | /* PR 17531: file: 10796eb3. */ | |
9737 | if (dw_sect >= DW_SECT_MAX) | |
9738 | warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect); | |
9739 | else | |
9740 | this_set [row - 1].section_offsets [dw_sect] = val; | |
341f9135 CC |
9741 | } |
9742 | } | |
6937bb54 | 9743 | |
341f9135 CC |
9744 | if (do_display) |
9745 | printf ("\n"); | |
9746 | } | |
9747 | ph += 8; | |
9748 | pi += 4; | |
9749 | } | |
9750 | ||
9751 | ph = phash; | |
9752 | pi = pindex; | |
9753 | if (do_display) | |
b4eb7656 | 9754 | { |
341f9135 CC |
9755 | printf ("\n"); |
9756 | printf (_(" Size table\n")); | |
9757 | printf (" slot %-16s ", | |
9758 | is_tu_index ? _("signature") : _("dwo_id")); | |
b4eb7656 | 9759 | } |
6937bb54 | 9760 | |
341f9135 CC |
9761 | for (j = 0; j < ncols; j++) |
9762 | { | |
6937bb54 | 9763 | SAFE_BYTE_GET (val, ppool + j * 4, 4, limit); |
341f9135 CC |
9764 | if (do_display) |
9765 | printf (" %8s", get_DW_SECT_short_name (val)); | |
9766 | } | |
6937bb54 | 9767 | |
341f9135 CC |
9768 | if (do_display) |
9769 | printf ("\n"); | |
6937bb54 | 9770 | |
341f9135 CC |
9771 | for (i = 0; i < nslots; i++) |
9772 | { | |
6937bb54 NC |
9773 | SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit); |
9774 | ||
9775 | SAFE_BYTE_GET (row, pi, 4, limit); | |
341f9135 CC |
9776 | if (row != 0) |
9777 | { | |
9778 | prow = psizes + (row - 1) * ncols * 4; | |
6937bb54 | 9779 | |
341f9135 CC |
9780 | if (do_display) |
9781 | printf (_(" [%3d] 0x%s"), | |
9782 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
9783 | buf, sizeof (buf))); | |
6937bb54 | 9784 | |
341f9135 CC |
9785 | for (j = 0; j < ncols; j++) |
9786 | { | |
6937bb54 | 9787 | SAFE_BYTE_GET (val, prow + j * 4, 4, limit); |
341f9135 CC |
9788 | if (do_display) |
9789 | printf (" %8d", val); | |
9790 | else | |
9791 | { | |
6937bb54 | 9792 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
82b1b41b NC |
9793 | if (dw_sect >= DW_SECT_MAX) |
9794 | warn (_("Overlarge Dwarf section index detected: %u\n"), dw_sect); | |
9795 | else | |
341f9135 CC |
9796 | this_set [row - 1].section_sizes [dw_sect] = val; |
9797 | } | |
9798 | } | |
6937bb54 | 9799 | |
341f9135 CC |
9800 | if (do_display) |
9801 | printf ("\n"); | |
9802 | } | |
6937bb54 | 9803 | |
341f9135 CC |
9804 | ph += 8; |
9805 | pi += 4; | |
657d0d47 | 9806 | } |
657d0d47 | 9807 | } |
341f9135 | 9808 | else if (do_display) |
6937bb54 | 9809 | printf (_(" Unsupported version (%d)\n"), version); |
657d0d47 CC |
9810 | |
9811 | if (do_display) | |
9812 | printf ("\n"); | |
9813 | ||
9814 | return 1; | |
9815 | } | |
9816 | ||
9817 | /* Load the CU and TU indexes if present. This will build a list of | |
9818 | section sets that we can use to associate a .debug_info.dwo section | |
9819 | with its associated .debug_abbrev.dwo section in a .dwp file. */ | |
9820 | ||
43a444f9 | 9821 | static bfd_boolean |
657d0d47 CC |
9822 | load_cu_tu_indexes (void *file) |
9823 | { | |
43a444f9 NC |
9824 | static int cu_tu_indexes_read = -1; /* Tri-state variable. */ |
9825 | ||
657d0d47 CC |
9826 | /* If we have already loaded (or tried to load) the CU and TU indexes |
9827 | then do not bother to repeat the task. */ | |
43a444f9 NC |
9828 | if (cu_tu_indexes_read == -1) |
9829 | { | |
9830 | cu_tu_indexes_read = TRUE; | |
9831 | ||
dda8d76d | 9832 | if (load_debug_section_with_follow (dwp_cu_index, file)) |
43a444f9 NC |
9833 | if (! process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0)) |
9834 | cu_tu_indexes_read = FALSE; | |
9835 | ||
dda8d76d | 9836 | if (load_debug_section_with_follow (dwp_tu_index, file)) |
43a444f9 NC |
9837 | if (! process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0)) |
9838 | cu_tu_indexes_read = FALSE; | |
9839 | } | |
657d0d47 | 9840 | |
43a444f9 | 9841 | return (bfd_boolean) cu_tu_indexes_read; |
657d0d47 CC |
9842 | } |
9843 | ||
9844 | /* Find the set of sections that includes section SHNDX. */ | |
9845 | ||
9846 | unsigned int * | |
9847 | find_cu_tu_set (void *file, unsigned int shndx) | |
9848 | { | |
9849 | unsigned int i; | |
9850 | ||
43a444f9 NC |
9851 | if (! load_cu_tu_indexes (file)) |
9852 | return NULL; | |
657d0d47 CC |
9853 | |
9854 | /* Find SHNDX in the shndx pool. */ | |
9855 | for (i = 0; i < shndx_pool_used; i++) | |
9856 | if (shndx_pool [i] == shndx) | |
9857 | break; | |
9858 | ||
9859 | if (i >= shndx_pool_used) | |
9860 | return NULL; | |
9861 | ||
9862 | /* Now backup to find the first entry in the set. */ | |
9863 | while (i > 0 && shndx_pool [i - 1] != 0) | |
9864 | i--; | |
9865 | ||
9866 | return shndx_pool + i; | |
9867 | } | |
9868 | ||
9869 | /* Display a .debug_cu_index or .debug_tu_index section. */ | |
9870 | ||
9871 | static int | |
9872 | display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED) | |
9873 | { | |
9874 | return process_cu_tu_index (section, 1); | |
9875 | } | |
9876 | ||
19e6b90e L |
9877 | static int |
9878 | display_debug_not_supported (struct dwarf_section *section, | |
9879 | void *file ATTRIBUTE_UNUSED) | |
9880 | { | |
9881 | printf (_("Displaying the debug contents of section %s is not yet supported.\n"), | |
9882 | section->name); | |
9883 | ||
9884 | return 1; | |
9885 | } | |
9886 | ||
1306a742 NC |
9887 | /* Like malloc, but takes two parameters like calloc. |
9888 | Verifies that the first parameter is not too large. | |
82b1b41b | 9889 | Note: does *not* initialise the allocated memory to zero. */ |
dda8d76d | 9890 | |
19e6b90e L |
9891 | void * |
9892 | cmalloc (size_t nmemb, size_t size) | |
9893 | { | |
9894 | /* Check for overflow. */ | |
9895 | if (nmemb >= ~(size_t) 0 / size) | |
9896 | return NULL; | |
82b1b41b NC |
9897 | |
9898 | return xmalloc (nmemb * size); | |
19e6b90e L |
9899 | } |
9900 | ||
1306a742 NC |
9901 | /* Like xmalloc, but takes two parameters like calloc. |
9902 | Verifies that the first parameter is not too large. | |
9903 | Note: does *not* initialise the allocated memory to zero. */ | |
dda8d76d | 9904 | |
72c61a0d | 9905 | void * |
1306a742 | 9906 | xcmalloc (size_t nmemb, size_t size) |
72c61a0d NC |
9907 | { |
9908 | /* Check for overflow. */ | |
9909 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 NC |
9910 | { |
9911 | fprintf (stderr, | |
9912 | _("Attempt to allocate an array with an excessive number of elements: 0x%lx\n"), | |
9913 | (long) nmemb); | |
9914 | xexit (1); | |
9915 | } | |
72c61a0d | 9916 | |
1306a742 | 9917 | return xmalloc (nmemb * size); |
72c61a0d NC |
9918 | } |
9919 | ||
1306a742 NC |
9920 | /* Like xrealloc, but takes three parameters. |
9921 | Verifies that the second parameter is not too large. | |
9922 | Note: does *not* initialise any new memory to zero. */ | |
dda8d76d | 9923 | |
19e6b90e | 9924 | void * |
1306a742 | 9925 | xcrealloc (void *ptr, size_t nmemb, size_t size) |
19e6b90e L |
9926 | { |
9927 | /* Check for overflow. */ | |
9928 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 | 9929 | { |
dda8d76d NC |
9930 | error (_("Attempt to re-allocate an array with an excessive number of elements: 0x%lx\n"), |
9931 | (long) nmemb); | |
8490fb40 NC |
9932 | xexit (1); |
9933 | } | |
82b1b41b | 9934 | |
1306a742 | 9935 | return xrealloc (ptr, nmemb * size); |
19e6b90e L |
9936 | } |
9937 | ||
1306a742 | 9938 | /* Like xcalloc, but verifies that the first parameter is not too large. */ |
dda8d76d | 9939 | |
19e6b90e | 9940 | void * |
1306a742 | 9941 | xcalloc2 (size_t nmemb, size_t size) |
19e6b90e L |
9942 | { |
9943 | /* Check for overflow. */ | |
9944 | if (nmemb >= ~(size_t) 0 / size) | |
8490fb40 | 9945 | { |
dda8d76d NC |
9946 | error (_("Attempt to allocate a zero'ed array with an excessive number of elements: 0x%lx\n"), |
9947 | (long) nmemb); | |
8490fb40 NC |
9948 | xexit (1); |
9949 | } | |
82b1b41b | 9950 | |
1306a742 | 9951 | return xcalloc (nmemb, size); |
19e6b90e L |
9952 | } |
9953 | ||
dda8d76d NC |
9954 | static unsigned long |
9955 | calc_gnu_debuglink_crc32 (unsigned long crc, | |
9956 | const unsigned char * buf, | |
9957 | bfd_size_type len) | |
9958 | { | |
9959 | static const unsigned long crc32_table[256] = | |
9960 | { | |
9961 | 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, | |
9962 | 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, | |
9963 | 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, | |
9964 | 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, | |
9965 | 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, | |
9966 | 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, | |
9967 | 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, | |
9968 | 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, | |
9969 | 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, | |
9970 | 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, | |
9971 | 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, | |
9972 | 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, | |
9973 | 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, | |
9974 | 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, | |
9975 | 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, | |
9976 | 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, | |
9977 | 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, | |
9978 | 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, | |
9979 | 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, | |
9980 | 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, | |
9981 | 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, | |
9982 | 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, | |
9983 | 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, | |
9984 | 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, | |
9985 | 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, | |
9986 | 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, | |
9987 | 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, | |
9988 | 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, | |
9989 | 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, | |
9990 | 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, | |
9991 | 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, | |
9992 | 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, | |
9993 | 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, | |
9994 | 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, | |
9995 | 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, | |
9996 | 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, | |
9997 | 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, | |
9998 | 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, | |
9999 | 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, | |
10000 | 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, | |
10001 | 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, | |
10002 | 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, | |
10003 | 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, | |
10004 | 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, | |
10005 | 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, | |
10006 | 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, | |
10007 | 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, | |
10008 | 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, | |
10009 | 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, | |
10010 | 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, | |
10011 | 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, | |
10012 | 0x2d02ef8d | |
10013 | }; | |
10014 | const unsigned char *end; | |
10015 | ||
10016 | crc = ~crc & 0xffffffff; | |
10017 | for (end = buf + len; buf < end; ++ buf) | |
10018 | crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8); | |
10019 | return ~crc & 0xffffffff; | |
10020 | } | |
10021 | ||
10022 | typedef bfd_boolean (* check_func_type) (const char *, void *); | |
10023 | typedef const char * (* parse_func_type) (struct dwarf_section *, void *); | |
10024 | ||
10025 | static bfd_boolean | |
10026 | check_gnu_debuglink (const char * pathname, void * crc_pointer) | |
10027 | { | |
10028 | static unsigned char buffer [8 * 1024]; | |
10029 | FILE * f; | |
10030 | bfd_size_type count; | |
10031 | unsigned long crc = 0; | |
10032 | void * sep_data; | |
10033 | ||
10034 | sep_data = open_debug_file (pathname); | |
10035 | if (sep_data == NULL) | |
10036 | return FALSE; | |
10037 | ||
10038 | /* Yes - we are opening the file twice... */ | |
10039 | f = fopen (pathname, "rb"); | |
10040 | if (f == NULL) | |
10041 | { | |
10042 | /* Paranoia: This should never happen. */ | |
10043 | close_debug_file (sep_data); | |
10044 | warn (_("Unable to reopen separate debug info file: %s\n"), pathname); | |
10045 | return FALSE; | |
10046 | } | |
10047 | ||
10048 | while ((count = fread (buffer, 1, sizeof (buffer), f)) > 0) | |
10049 | crc = calc_gnu_debuglink_crc32 (crc, buffer, count); | |
10050 | ||
10051 | fclose (f); | |
10052 | ||
10053 | if (crc != * (unsigned long *) crc_pointer) | |
10054 | { | |
10055 | close_debug_file (sep_data); | |
10056 | warn (_("Separate debug info file %s found, but CRC does not match - ignoring\n"), | |
10057 | pathname); | |
10058 | return FALSE; | |
10059 | } | |
10060 | ||
10061 | return TRUE; | |
10062 | } | |
10063 | ||
10064 | static const char * | |
10065 | parse_gnu_debuglink (struct dwarf_section * section, void * data) | |
10066 | { | |
10067 | const char * name; | |
10068 | unsigned int crc_offset; | |
10069 | unsigned long * crc32 = (unsigned long *) data; | |
10070 | ||
10071 | /* The name is first. | |
10072 | The CRC value is stored after the filename, aligned up to 4 bytes. */ | |
10073 | name = (const char *) section->start; | |
10074 | ||
39f0547e | 10075 | |
dda8d76d NC |
10076 | crc_offset = strnlen (name, section->size) + 1; |
10077 | crc_offset = (crc_offset + 3) & ~3; | |
10078 | if (crc_offset + 4 > section->size) | |
10079 | return NULL; | |
10080 | ||
10081 | * crc32 = byte_get (section->start + crc_offset, 4); | |
10082 | return name; | |
10083 | } | |
10084 | ||
10085 | static bfd_boolean | |
10086 | check_gnu_debugaltlink (const char * filename, void * data ATTRIBUTE_UNUSED) | |
10087 | { | |
10088 | void * sep_data = open_debug_file (filename); | |
10089 | ||
10090 | if (sep_data == NULL) | |
10091 | return FALSE; | |
10092 | ||
10093 | /* FIXME: We should now extract the build-id in the separate file | |
10094 | and check it... */ | |
10095 | ||
10096 | return TRUE; | |
10097 | } | |
10098 | ||
10099 | typedef struct build_id_data | |
10100 | { | |
10101 | bfd_size_type len; | |
10102 | const unsigned char * data; | |
10103 | } Build_id_data; | |
10104 | ||
10105 | static const char * | |
10106 | parse_gnu_debugaltlink (struct dwarf_section * section, void * data) | |
10107 | { | |
10108 | const char * name; | |
10109 | bfd_size_type namelen; | |
10110 | bfd_size_type id_len; | |
10111 | Build_id_data * build_id_data; | |
10112 | ||
10113 | /* The name is first. | |
10114 | The build-id follows immediately, with no padding, up to the section's end. */ | |
10115 | ||
10116 | name = (const char *) section->start; | |
10117 | namelen = strnlen (name, section->size) + 1; | |
10118 | if (namelen >= section->size) | |
10119 | return NULL; | |
10120 | ||
10121 | id_len = section->size - namelen; | |
10122 | if (id_len < 0x14) | |
10123 | return NULL; | |
10124 | ||
10125 | build_id_data = calloc (1, sizeof * build_id_data); | |
10126 | if (build_id_data == NULL) | |
10127 | return NULL; | |
10128 | ||
10129 | build_id_data->len = id_len; | |
10130 | build_id_data->data = section->start + namelen; | |
10131 | ||
10132 | * (Build_id_data **) data = build_id_data; | |
10133 | ||
10134 | return name; | |
10135 | } | |
10136 | ||
24841daa NC |
10137 | static void |
10138 | add_separate_debug_file (const char * filename, void * handle) | |
10139 | { | |
10140 | separate_info * i = xmalloc (sizeof * i); | |
10141 | ||
10142 | i->filename = filename; | |
10143 | i->handle = handle; | |
10144 | i->next = first_separate_info; | |
10145 | first_separate_info = i; | |
10146 | } | |
10147 | ||
301a9420 AM |
10148 | #if HAVE_LIBDEBUGINFOD |
10149 | /* Query debuginfod servers for the target debuglink or debugaltlink | |
10150 | file. If successful, store the path of the file in filename and | |
10151 | return TRUE, otherwise return FALSE. */ | |
10152 | ||
10153 | static bfd_boolean | |
10154 | debuginfod_fetch_separate_debug_info (struct dwarf_section * section, | |
10155 | char ** filename, | |
10156 | void * file) | |
10157 | { | |
10158 | size_t build_id_len; | |
10159 | unsigned char * build_id; | |
10160 | ||
10161 | if (strcmp (section->uncompressed_name, ".gnu_debuglink") == 0) | |
10162 | { | |
10163 | /* Get the build-id of file. */ | |
10164 | build_id = get_build_id (file); | |
10165 | build_id_len = 0; | |
10166 | } | |
10167 | else if (strcmp (section->uncompressed_name, ".gnu_debugaltlink") == 0) | |
10168 | { | |
10169 | /* Get the build-id of the debugaltlink file. */ | |
10170 | unsigned int filelen; | |
10171 | ||
10172 | filelen = strnlen ((const char *)section->start, section->size); | |
10173 | if (filelen == section->size) | |
10174 | /* Corrupt debugaltlink. */ | |
10175 | return FALSE; | |
10176 | ||
10177 | build_id = section->start + filelen + 1; | |
10178 | build_id_len = section->size - (filelen + 1); | |
10179 | ||
10180 | if (build_id_len == 0) | |
10181 | return FALSE; | |
10182 | } | |
10183 | else | |
10184 | return FALSE; | |
10185 | ||
10186 | if (build_id) | |
10187 | { | |
10188 | int fd; | |
10189 | debuginfod_client * client; | |
10190 | ||
10191 | client = debuginfod_begin (); | |
10192 | if (client == NULL) | |
10193 | return FALSE; | |
10194 | ||
10195 | /* Query debuginfod servers for the target file. If found its path | |
10196 | will be stored in filename. */ | |
10197 | fd = debuginfod_find_debuginfo (client, build_id, build_id_len, filename); | |
10198 | debuginfod_end (client); | |
10199 | ||
10200 | /* Only free build_id if we allocated space for a hex string | |
10201 | in get_build_id (). */ | |
10202 | if (build_id_len == 0) | |
10203 | free (build_id); | |
10204 | ||
10205 | if (fd >= 0) | |
10206 | { | |
10207 | /* File successfully retrieved. Close fd since we want to | |
10208 | use open_debug_file () on filename instead. */ | |
10209 | close (fd); | |
10210 | return TRUE; | |
10211 | } | |
10212 | } | |
10213 | ||
10214 | return FALSE; | |
10215 | } | |
10216 | #endif | |
10217 | ||
dda8d76d NC |
10218 | static void * |
10219 | load_separate_debug_info (const char * main_filename, | |
2b63c337 | 10220 | struct dwarf_section * xlink, |
dda8d76d NC |
10221 | parse_func_type parse_func, |
10222 | check_func_type check_func, | |
301a9420 AM |
10223 | void * func_data, |
10224 | void * file ATTRIBUTE_UNUSED) | |
dda8d76d NC |
10225 | { |
10226 | const char * separate_filename; | |
24841daa | 10227 | char * debug_filename; |
dda8d76d NC |
10228 | char * canon_dir; |
10229 | size_t canon_dirlen; | |
10230 | size_t dirlen; | |
10231 | ||
2b63c337 | 10232 | if ((separate_filename = parse_func (xlink, func_data)) == NULL) |
dda8d76d NC |
10233 | { |
10234 | warn (_("Corrupt debuglink section: %s\n"), | |
2b63c337 | 10235 | xlink->name ? xlink->name : xlink->uncompressed_name); |
dda8d76d NC |
10236 | return FALSE; |
10237 | } | |
10238 | ||
10239 | /* Attempt to locate the separate file. | |
10240 | This should duplicate the logic in bfd/opncls.c:find_separate_debug_file(). */ | |
10241 | ||
10242 | canon_dir = lrealpath (main_filename); | |
10243 | ||
10244 | for (canon_dirlen = strlen (canon_dir); canon_dirlen > 0; canon_dirlen--) | |
10245 | if (IS_DIR_SEPARATOR (canon_dir[canon_dirlen - 1])) | |
10246 | break; | |
10247 | canon_dir[canon_dirlen] = '\0'; | |
10248 | ||
10249 | #ifndef DEBUGDIR | |
10250 | #define DEBUGDIR "/lib/debug" | |
10251 | #endif | |
10252 | #ifndef EXTRA_DEBUG_ROOT1 | |
10253 | #define EXTRA_DEBUG_ROOT1 "/usr/lib/debug" | |
10254 | #endif | |
10255 | #ifndef EXTRA_DEBUG_ROOT2 | |
10256 | #define EXTRA_DEBUG_ROOT2 "/usr/lib/debug/usr" | |
10257 | #endif | |
10258 | ||
24841daa NC |
10259 | debug_filename = (char *) malloc (strlen (DEBUGDIR) + 1 |
10260 | + canon_dirlen | |
10261 | + strlen (".debug/") | |
dda8d76d | 10262 | #ifdef EXTRA_DEBUG_ROOT1 |
24841daa | 10263 | + strlen (EXTRA_DEBUG_ROOT1) |
dda8d76d NC |
10264 | #endif |
10265 | #ifdef EXTRA_DEBUG_ROOT2 | |
24841daa | 10266 | + strlen (EXTRA_DEBUG_ROOT2) |
dda8d76d | 10267 | #endif |
24841daa NC |
10268 | + strlen (separate_filename) |
10269 | + 1); | |
10270 | if (debug_filename == NULL) | |
dda8d76d NC |
10271 | { |
10272 | warn (_("Out of memory")); | |
3391569f | 10273 | free (canon_dir); |
dda8d76d NC |
10274 | return NULL; |
10275 | } | |
10276 | ||
10277 | /* First try in the current directory. */ | |
24841daa NC |
10278 | sprintf (debug_filename, "%s", separate_filename); |
10279 | if (check_func (debug_filename, func_data)) | |
dda8d76d NC |
10280 | goto found; |
10281 | ||
10282 | /* Then try in a subdirectory called .debug. */ | |
24841daa NC |
10283 | sprintf (debug_filename, ".debug/%s", separate_filename); |
10284 | if (check_func (debug_filename, func_data)) | |
dda8d76d NC |
10285 | goto found; |
10286 | ||
10287 | /* Then try in the same directory as the original file. */ | |
24841daa NC |
10288 | sprintf (debug_filename, "%s%s", canon_dir, separate_filename); |
10289 | if (check_func (debug_filename, func_data)) | |
dda8d76d NC |
10290 | goto found; |
10291 | ||
10292 | /* And the .debug subdirectory of that directory. */ | |
24841daa NC |
10293 | sprintf (debug_filename, "%s.debug/%s", canon_dir, separate_filename); |
10294 | if (check_func (debug_filename, func_data)) | |
dda8d76d NC |
10295 | goto found; |
10296 | ||
10297 | #ifdef EXTRA_DEBUG_ROOT1 | |
10298 | /* Try the first extra debug file root. */ | |
24841daa NC |
10299 | sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename); |
10300 | if (check_func (debug_filename, func_data)) | |
dda8d76d | 10301 | goto found; |
39f0547e NC |
10302 | |
10303 | /* Try the first extra debug file root. */ | |
10304 | sprintf (debug_filename, "%s/%s/%s", EXTRA_DEBUG_ROOT1, canon_dir, separate_filename); | |
10305 | if (check_func (debug_filename, func_data)) | |
10306 | goto found; | |
dda8d76d NC |
10307 | #endif |
10308 | ||
10309 | #ifdef EXTRA_DEBUG_ROOT2 | |
10310 | /* Try the second extra debug file root. */ | |
24841daa NC |
10311 | sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename); |
10312 | if (check_func (debug_filename, func_data)) | |
dda8d76d NC |
10313 | goto found; |
10314 | #endif | |
10315 | ||
24841daa NC |
10316 | /* Then try in the global debug_filename directory. */ |
10317 | strcpy (debug_filename, DEBUGDIR); | |
dda8d76d NC |
10318 | dirlen = strlen (DEBUGDIR) - 1; |
10319 | if (dirlen > 0 && DEBUGDIR[dirlen] != '/') | |
24841daa NC |
10320 | strcat (debug_filename, "/"); |
10321 | strcat (debug_filename, (const char *) separate_filename); | |
dda8d76d | 10322 | |
24841daa | 10323 | if (check_func (debug_filename, func_data)) |
dda8d76d NC |
10324 | goto found; |
10325 | ||
301a9420 AM |
10326 | #if HAVE_LIBDEBUGINFOD |
10327 | { | |
10328 | char * tmp_filename; | |
10329 | ||
10330 | if (debuginfod_fetch_separate_debug_info (xlink, | |
10331 | & tmp_filename, | |
10332 | file)) | |
10333 | { | |
10334 | /* File successfully downloaded from server, replace | |
10335 | debug_filename with the file's path. */ | |
10336 | free (debug_filename); | |
10337 | debug_filename = tmp_filename; | |
10338 | goto found; | |
10339 | } | |
10340 | } | |
10341 | #endif | |
10342 | ||
dda8d76d NC |
10343 | /* Failed to find the file. */ |
10344 | warn (_("could not find separate debug file '%s'\n"), separate_filename); | |
24841daa | 10345 | warn (_("tried: %s\n"), debug_filename); |
dda8d76d NC |
10346 | |
10347 | #ifdef EXTRA_DEBUG_ROOT2 | |
24841daa NC |
10348 | sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT2, separate_filename); |
10349 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d NC |
10350 | #endif |
10351 | ||
10352 | #ifdef EXTRA_DEBUG_ROOT1 | |
39f0547e NC |
10353 | sprintf (debug_filename, "%s/%s/%s", EXTRA_DEBUG_ROOT1, canon_dir, separate_filename); |
10354 | warn (_("tried: %s\n"), debug_filename); | |
10355 | ||
24841daa NC |
10356 | sprintf (debug_filename, "%s/%s", EXTRA_DEBUG_ROOT1, separate_filename); |
10357 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d NC |
10358 | #endif |
10359 | ||
24841daa NC |
10360 | sprintf (debug_filename, "%s.debug/%s", canon_dir, separate_filename); |
10361 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d | 10362 | |
24841daa NC |
10363 | sprintf (debug_filename, "%s%s", canon_dir, separate_filename); |
10364 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d | 10365 | |
24841daa NC |
10366 | sprintf (debug_filename, ".debug/%s", separate_filename); |
10367 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d | 10368 | |
24841daa NC |
10369 | sprintf (debug_filename, "%s", separate_filename); |
10370 | warn (_("tried: %s\n"), debug_filename); | |
dda8d76d | 10371 | |
301a9420 AM |
10372 | #if HAVE_LIBDEBUGINFOD |
10373 | { | |
10374 | char *urls = getenv (DEBUGINFOD_URLS_ENV_VAR); | |
10375 | if (urls == NULL) | |
10376 | urls = ""; | |
10377 | ||
10378 | warn (_("tried: DEBUGINFOD_URLS=%s\n"), urls); | |
10379 | } | |
10380 | #endif | |
10381 | ||
dda8d76d | 10382 | free (canon_dir); |
24841daa | 10383 | free (debug_filename); |
dda8d76d NC |
10384 | return NULL; |
10385 | ||
10386 | found: | |
10387 | free (canon_dir); | |
10388 | ||
24841daa NC |
10389 | void * debug_handle; |
10390 | ||
dda8d76d | 10391 | /* Now open the file.... */ |
24841daa | 10392 | if ((debug_handle = open_debug_file (debug_filename)) == NULL) |
dda8d76d | 10393 | { |
24841daa NC |
10394 | warn (_("failed to open separate debug file: %s\n"), debug_filename); |
10395 | free (debug_filename); | |
dda8d76d NC |
10396 | return FALSE; |
10397 | } | |
10398 | ||
10399 | /* FIXME: We do not check to see if there are any other separate debug info | |
10400 | files that would also match. */ | |
10401 | ||
24841daa NC |
10402 | printf (_("%s: Found separate debug info file: %s\n\n"), main_filename, debug_filename); |
10403 | add_separate_debug_file (debug_filename, debug_handle); | |
dda8d76d | 10404 | |
24841daa | 10405 | /* Do not free debug_filename - it might be referenced inside |
dda8d76d | 10406 | the structure returned by open_debug_file(). */ |
24841daa | 10407 | return debug_handle; |
dda8d76d NC |
10408 | } |
10409 | ||
d85bf2ba NC |
10410 | /* Attempt to load a separate dwarf object file. */ |
10411 | ||
10412 | static void * | |
24841daa | 10413 | load_dwo_file (const char * main_filename, const char * name, const char * dir, const char * id ATTRIBUTE_UNUSED) |
d85bf2ba | 10414 | { |
24841daa NC |
10415 | char * separate_filename; |
10416 | void * separate_handle; | |
d85bf2ba NC |
10417 | |
10418 | /* FIXME: Skip adding / if dwo_dir ends in /. */ | |
24841daa NC |
10419 | separate_filename = concat (dir, "/", name, NULL); |
10420 | if (separate_filename == NULL) | |
d85bf2ba NC |
10421 | { |
10422 | warn (_("Out of memory allocating dwo filename\n")); | |
10423 | return NULL; | |
10424 | } | |
10425 | ||
24841daa | 10426 | if ((separate_handle = open_debug_file (separate_filename)) == NULL) |
d85bf2ba | 10427 | { |
24841daa NC |
10428 | warn (_("Unable to load dwo file: %s\n"), separate_filename); |
10429 | free (separate_filename); | |
d85bf2ba NC |
10430 | return NULL; |
10431 | } | |
10432 | ||
10433 | /* FIXME: We should check the dwo_id. */ | |
10434 | ||
24841daa NC |
10435 | printf (_("%s: Found separate debug object file: %s\n\n"), main_filename, separate_filename); |
10436 | add_separate_debug_file (separate_filename, separate_handle); | |
10437 | /* Note - separate_filename will be freed in free_debug_memory(). */ | |
10438 | return separate_handle; | |
d85bf2ba NC |
10439 | } |
10440 | ||
24841daa NC |
10441 | /* Load the separate debug info file(s) attached to FILE, if any exist. |
10442 | Returns TRUE if any were found, FALSE otherwise. | |
10443 | If TRUE is returned then the linked list starting at first_separate_info | |
10444 | will be populated with open file handles. */ | |
dda8d76d | 10445 | |
24841daa NC |
10446 | bfd_boolean |
10447 | load_separate_debug_files (void * file, const char * filename) | |
dda8d76d | 10448 | { |
8de3a6e2 NC |
10449 | /* Skip this operation if we are not interested in debug links. */ |
10450 | if (! do_follow_links && ! do_debug_links) | |
24841daa | 10451 | return FALSE; |
8de3a6e2 | 10452 | |
24841daa | 10453 | /* See if there are any dwo links. */ |
d85bf2ba NC |
10454 | if (load_debug_section (str, file) |
10455 | && load_debug_section (abbrev, file) | |
10456 | && load_debug_section (info, file)) | |
10457 | { | |
24841daa | 10458 | free_dwo_info (); |
d85bf2ba NC |
10459 | |
10460 | if (process_debug_info (& debug_displays[info].section, file, abbrev, TRUE, FALSE)) | |
10461 | { | |
24841daa NC |
10462 | bfd_boolean introduced = FALSE; |
10463 | dwo_info * dwinfo; | |
10464 | const char * dir = NULL; | |
10465 | const char * id = NULL; | |
10466 | ||
10467 | for (dwinfo = first_dwo_info; dwinfo != NULL; dwinfo = dwinfo->next) | |
d85bf2ba | 10468 | { |
24841daa | 10469 | switch (dwinfo->type) |
d85bf2ba | 10470 | { |
24841daa NC |
10471 | case DWO_NAME: |
10472 | if (do_debug_links) | |
10473 | { | |
10474 | if (! introduced) | |
10475 | { | |
10476 | printf (_("The %s section contains link(s) to dwo file(s):\n\n"), | |
10477 | debug_displays [info].section.uncompressed_name); | |
10478 | introduced = TRUE; | |
10479 | } | |
d85bf2ba | 10480 | |
24841daa NC |
10481 | printf (_(" Name: %s\n"), dwinfo->value); |
10482 | printf (_(" Directory: %s\n"), dir ? dir : _("<not-found>")); | |
10483 | if (id != NULL) | |
10484 | display_data (printf (_(" ID: ")), (unsigned char *) id, 8); | |
10485 | else | |
10486 | printf (_(" ID: <unknown>\n")); | |
10487 | printf ("\n\n"); | |
10488 | } | |
10489 | ||
10490 | if (do_follow_links) | |
10491 | load_dwo_file (filename, dwinfo->value, dir, id); | |
10492 | break; | |
10493 | ||
10494 | case DWO_DIR: | |
10495 | dir = dwinfo->value; | |
10496 | break; | |
10497 | ||
10498 | case DWO_ID: | |
10499 | id = dwinfo->value; | |
10500 | break; | |
10501 | ||
10502 | default: | |
10503 | error (_("Unexpected DWO INFO type")); | |
10504 | break; | |
10505 | } | |
d85bf2ba NC |
10506 | } |
10507 | } | |
10508 | } | |
10509 | ||
dda8d76d | 10510 | if (! do_follow_links) |
8de3a6e2 NC |
10511 | /* The other debug links will be displayed by display_debug_links() |
10512 | so we do not need to do any further processing here. */ | |
24841daa | 10513 | return FALSE; |
dda8d76d NC |
10514 | |
10515 | /* FIXME: We do not check for the presence of both link sections in the same file. */ | |
10516 | /* FIXME: We do not check the separate debug info file to see if it too contains debuglinks. */ | |
10517 | /* FIXME: We do not check for the presence of multiple, same-name debuglink sections. */ | |
d85bf2ba | 10518 | /* FIXME: We do not check for the presence of a dwo link as well as a debuglink. */ |
dda8d76d | 10519 | |
dda8d76d NC |
10520 | if (load_debug_section (gnu_debugaltlink, file)) |
10521 | { | |
10522 | Build_id_data * build_id_data; | |
10523 | ||
24841daa NC |
10524 | load_separate_debug_info (filename, |
10525 | & debug_displays[gnu_debugaltlink].section, | |
10526 | parse_gnu_debugaltlink, | |
10527 | check_gnu_debugaltlink, | |
301a9420 AM |
10528 | & build_id_data, |
10529 | file); | |
dda8d76d NC |
10530 | } |
10531 | ||
10532 | if (load_debug_section (gnu_debuglink, file)) | |
10533 | { | |
10534 | unsigned long crc32; | |
10535 | ||
24841daa NC |
10536 | load_separate_debug_info (filename, |
10537 | & debug_displays[gnu_debuglink].section, | |
10538 | parse_gnu_debuglink, | |
10539 | check_gnu_debuglink, | |
301a9420 AM |
10540 | & crc32, |
10541 | file); | |
dda8d76d NC |
10542 | } |
10543 | ||
24841daa NC |
10544 | if (first_separate_info != NULL) |
10545 | return TRUE; | |
10546 | ||
dda8d76d | 10547 | do_follow_links = 0; |
24841daa | 10548 | return FALSE; |
dda8d76d NC |
10549 | } |
10550 | ||
19e6b90e L |
10551 | void |
10552 | free_debug_memory (void) | |
10553 | { | |
3f5e193b | 10554 | unsigned int i; |
19e6b90e L |
10555 | |
10556 | free_abbrevs (); | |
10557 | ||
10558 | for (i = 0; i < max; i++) | |
3f5e193b | 10559 | free_debug_section ((enum dwarf_section_display_enum) i); |
19e6b90e | 10560 | |
cc86f28f | 10561 | if (debug_information != NULL) |
19e6b90e | 10562 | { |
cc86f28f | 10563 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE) |
19e6b90e | 10564 | { |
cc86f28f | 10565 | for (i = 0; i < num_debug_info_entries; i++) |
19e6b90e | 10566 | { |
cc86f28f NC |
10567 | if (!debug_information [i].max_loc_offsets) |
10568 | { | |
10569 | free (debug_information [i].loc_offsets); | |
10570 | free (debug_information [i].have_frame_base); | |
10571 | } | |
10572 | if (!debug_information [i].max_range_lists) | |
10573 | free (debug_information [i].range_lists); | |
19e6b90e | 10574 | } |
19e6b90e L |
10575 | } |
10576 | free (debug_information); | |
10577 | debug_information = NULL; | |
82b1b41b | 10578 | alloc_num_debug_info_entries = num_debug_info_entries = 0; |
19e6b90e | 10579 | } |
dda8d76d | 10580 | |
24841daa NC |
10581 | separate_info * d; |
10582 | separate_info * next; | |
dda8d76d | 10583 | |
24841daa NC |
10584 | for (d = first_separate_info; d != NULL; d = next) |
10585 | { | |
10586 | close_debug_file (d->handle); | |
10587 | free ((void *) d->filename); | |
10588 | next = d->next; | |
10589 | free ((void *) d); | |
dda8d76d | 10590 | } |
24841daa NC |
10591 | first_separate_info = NULL; |
10592 | ||
10593 | free_dwo_info (); | |
19e6b90e L |
10594 | } |
10595 | ||
4cb93e3b TG |
10596 | void |
10597 | dwarf_select_sections_by_names (const char *names) | |
10598 | { | |
10599 | typedef struct | |
10600 | { | |
10601 | const char * option; | |
10602 | int * variable; | |
f9f0e732 | 10603 | int val; |
4cb93e3b TG |
10604 | } |
10605 | debug_dump_long_opts; | |
10606 | ||
10607 | static const debug_dump_long_opts opts_table [] = | |
10608 | { | |
10609 | /* Please keep this table alpha- sorted. */ | |
10610 | { "Ranges", & do_debug_ranges, 1 }, | |
10611 | { "abbrev", & do_debug_abbrevs, 1 }, | |
657d0d47 | 10612 | { "addr", & do_debug_addr, 1 }, |
4cb93e3b | 10613 | { "aranges", & do_debug_aranges, 1 }, |
657d0d47 CC |
10614 | { "cu_index", & do_debug_cu_index, 1 }, |
10615 | { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED }, | |
dda8d76d | 10616 | { "follow-links", & do_follow_links, 1 }, |
4cb93e3b TG |
10617 | { "frames", & do_debug_frames, 1 }, |
10618 | { "frames-interp", & do_debug_frames_interp, 1 }, | |
657d0d47 CC |
10619 | /* The special .gdb_index section. */ |
10620 | { "gdb_index", & do_gdb_index, 1 }, | |
4cb93e3b TG |
10621 | { "info", & do_debug_info, 1 }, |
10622 | { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */ | |
dda8d76d | 10623 | { "links", & do_debug_links, 1 }, |
4cb93e3b TG |
10624 | { "loc", & do_debug_loc, 1 }, |
10625 | { "macro", & do_debug_macinfo, 1 }, | |
10626 | { "pubnames", & do_debug_pubnames, 1 }, | |
357da287 | 10627 | { "pubtypes", & do_debug_pubtypes, 1 }, |
222c2bf0 | 10628 | /* This entry is for compatibility |
4cb93e3b TG |
10629 | with earlier versions of readelf. */ |
10630 | { "ranges", & do_debug_aranges, 1 }, | |
657d0d47 | 10631 | { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, |
4cb93e3b | 10632 | { "str", & do_debug_str, 1 }, |
6f875884 TG |
10633 | /* These trace_* sections are used by Itanium VMS. */ |
10634 | { "trace_abbrev", & do_trace_abbrevs, 1 }, | |
10635 | { "trace_aranges", & do_trace_aranges, 1 }, | |
10636 | { "trace_info", & do_trace_info, 1 }, | |
4cb93e3b TG |
10637 | { NULL, NULL, 0 } |
10638 | }; | |
10639 | ||
10640 | const char *p; | |
467c65bc | 10641 | |
4cb93e3b TG |
10642 | p = names; |
10643 | while (*p) | |
10644 | { | |
10645 | const debug_dump_long_opts * entry; | |
467c65bc | 10646 | |
4cb93e3b TG |
10647 | for (entry = opts_table; entry->option; entry++) |
10648 | { | |
10649 | size_t len = strlen (entry->option); | |
467c65bc | 10650 | |
4cb93e3b TG |
10651 | if (strncmp (p, entry->option, len) == 0 |
10652 | && (p[len] == ',' || p[len] == '\0')) | |
10653 | { | |
10654 | * entry->variable |= entry->val; | |
467c65bc | 10655 | |
4cb93e3b TG |
10656 | /* The --debug-dump=frames-interp option also |
10657 | enables the --debug-dump=frames option. */ | |
10658 | if (do_debug_frames_interp) | |
10659 | do_debug_frames = 1; | |
10660 | ||
10661 | p += len; | |
10662 | break; | |
10663 | } | |
10664 | } | |
467c65bc | 10665 | |
4cb93e3b TG |
10666 | if (entry->option == NULL) |
10667 | { | |
10668 | warn (_("Unrecognized debug option '%s'\n"), p); | |
10669 | p = strchr (p, ','); | |
10670 | if (p == NULL) | |
10671 | break; | |
10672 | } | |
467c65bc | 10673 | |
4cb93e3b TG |
10674 | if (*p == ',') |
10675 | p++; | |
10676 | } | |
10677 | } | |
10678 | ||
10679 | void | |
10680 | dwarf_select_sections_by_letters (const char *letters) | |
10681 | { | |
91d6fa6a | 10682 | unsigned int lindex = 0; |
4cb93e3b | 10683 | |
91d6fa6a NC |
10684 | while (letters[lindex]) |
10685 | switch (letters[lindex++]) | |
4cb93e3b | 10686 | { |
dda8d76d NC |
10687 | case 'A': do_debug_addr = 1; break; |
10688 | case 'a': do_debug_abbrevs = 1; break; | |
10689 | case 'c': do_debug_cu_index = 1; break; | |
10690 | case 'F': do_debug_frames_interp = 1; /* Fall through. */ | |
10691 | case 'f': do_debug_frames = 1; break; | |
10692 | case 'g': do_gdb_index = 1; break; | |
10693 | case 'i': do_debug_info = 1; break; | |
10694 | case 'K': do_follow_links = 1; break; | |
10695 | case 'k': do_debug_links = 1; break; | |
10696 | case 'l': do_debug_lines |= FLAG_DEBUG_LINES_RAW; break; | |
10697 | case 'L': do_debug_lines |= FLAG_DEBUG_LINES_DECODED; break; | |
10698 | case 'm': do_debug_macinfo = 1; break; | |
10699 | case 'o': do_debug_loc = 1; break; | |
10700 | case 'p': do_debug_pubnames = 1; break; | |
10701 | case 'R': do_debug_ranges = 1; break; | |
10702 | case 'r': do_debug_aranges = 1; break; | |
10703 | case 's': do_debug_str = 1; break; | |
10704 | case 'T': do_trace_aranges = 1; break; | |
10705 | case 't': do_debug_pubtypes = 1; break; | |
10706 | case 'U': do_trace_info = 1; break; | |
10707 | case 'u': do_trace_abbrevs = 1; break; | |
467c65bc | 10708 | |
4cb93e3b | 10709 | default: |
7cc78d07 | 10710 | warn (_("Unrecognized debug option '%s'\n"), letters); |
4cb93e3b TG |
10711 | break; |
10712 | } | |
10713 | } | |
10714 | ||
10715 | void | |
10716 | dwarf_select_sections_all (void) | |
10717 | { | |
10718 | do_debug_info = 1; | |
10719 | do_debug_abbrevs = 1; | |
10720 | do_debug_lines = FLAG_DEBUG_LINES_RAW; | |
10721 | do_debug_pubnames = 1; | |
f9f0e732 | 10722 | do_debug_pubtypes = 1; |
4cb93e3b TG |
10723 | do_debug_aranges = 1; |
10724 | do_debug_ranges = 1; | |
10725 | do_debug_frames = 1; | |
10726 | do_debug_macinfo = 1; | |
10727 | do_debug_str = 1; | |
10728 | do_debug_loc = 1; | |
5bbdf3d5 | 10729 | do_gdb_index = 1; |
6f875884 TG |
10730 | do_trace_info = 1; |
10731 | do_trace_abbrevs = 1; | |
10732 | do_trace_aranges = 1; | |
657d0d47 CC |
10733 | do_debug_addr = 1; |
10734 | do_debug_cu_index = 1; | |
dda8d76d NC |
10735 | do_follow_links = 1; |
10736 | do_debug_links = 1; | |
4cb93e3b TG |
10737 | } |
10738 | ||
dda8d76d NC |
10739 | #define NO_ABBREVS NULL, NULL, NULL, 0, 0, 0, NULL, 0, NULL |
10740 | #define ABBREV(N) NULL, NULL, NULL, 0, 0, N, NULL, 0, NULL | |
10741 | ||
10742 | /* N.B. The order here must match the order in section_display_enum. */ | |
10743 | ||
19e6b90e L |
10744 | struct dwarf_section_display debug_displays[] = |
10745 | { | |
dda8d76d NC |
10746 | { { ".debug_abbrev", ".zdebug_abbrev", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE }, |
10747 | { { ".debug_aranges", ".zdebug_aranges", NO_ABBREVS }, display_debug_aranges, &do_debug_aranges, TRUE }, | |
10748 | { { ".debug_frame", ".zdebug_frame", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE }, | |
10749 | { { ".debug_info", ".zdebug_info", ABBREV (abbrev)}, display_debug_info, &do_debug_info, TRUE }, | |
10750 | { { ".debug_line", ".zdebug_line", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE }, | |
10751 | { { ".debug_pubnames", ".zdebug_pubnames", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubnames, FALSE }, | |
10752 | { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubnames, FALSE }, | |
10753 | { { ".eh_frame", "", NO_ABBREVS }, display_debug_frames, &do_debug_frames, TRUE }, | |
10754 | { { ".debug_macinfo", ".zdebug_macinfo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE }, | |
10755 | { { ".debug_macro", ".zdebug_macro", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE }, | |
10756 | { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE }, | |
10757 | { { ".debug_line_str", ".zdebug_line_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE }, | |
10758 | { { ".debug_loc", ".zdebug_loc", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE }, | |
10759 | { { ".debug_loclists", ".zdebug_loclists", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE }, | |
10760 | { { ".debug_pubtypes", ".zdebug_pubtypes", NO_ABBREVS }, display_debug_pubnames, &do_debug_pubtypes, FALSE }, | |
10761 | { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NO_ABBREVS }, display_debug_gnu_pubnames, &do_debug_pubtypes, FALSE }, | |
10762 | { { ".debug_ranges", ".zdebug_ranges", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE }, | |
10763 | { { ".debug_rnglists", ".zdebug_rnglists", NO_ABBREVS }, display_debug_ranges, &do_debug_ranges, TRUE }, | |
10764 | { { ".debug_static_func", ".zdebug_static_func", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE }, | |
10765 | { { ".debug_static_vars", ".zdebug_static_vars", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE }, | |
10766 | { { ".debug_types", ".zdebug_types", ABBREV (abbrev) }, display_debug_types, &do_debug_info, TRUE }, | |
10767 | { { ".debug_weaknames", ".zdebug_weaknames", NO_ABBREVS }, display_debug_not_supported, NULL, FALSE }, | |
10768 | { { ".gdb_index", "", NO_ABBREVS }, display_gdb_index, &do_gdb_index, FALSE }, | |
10769 | { { ".debug_names", "", NO_ABBREVS }, display_debug_names, &do_gdb_index, FALSE }, | |
10770 | { { ".trace_info", "", ABBREV (trace_abbrev) }, display_trace_info, &do_trace_info, TRUE }, | |
10771 | { { ".trace_abbrev", "", NO_ABBREVS }, display_debug_abbrev, &do_trace_abbrevs, FALSE }, | |
10772 | { { ".trace_aranges", "", NO_ABBREVS }, display_debug_aranges, &do_trace_aranges, FALSE }, | |
10773 | { { ".debug_info.dwo", ".zdebug_info.dwo", ABBREV (abbrev_dwo) }, display_debug_info, &do_debug_info, TRUE }, | |
10774 | { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NO_ABBREVS }, display_debug_abbrev, &do_debug_abbrevs, FALSE }, | |
10775 | { { ".debug_types.dwo", ".zdebug_types.dwo", ABBREV (abbrev_dwo) }, display_debug_types, &do_debug_info, TRUE }, | |
10776 | { { ".debug_line.dwo", ".zdebug_line.dwo", NO_ABBREVS }, display_debug_lines, &do_debug_lines, TRUE }, | |
10777 | { { ".debug_loc.dwo", ".zdebug_loc.dwo", NO_ABBREVS }, display_debug_loc, &do_debug_loc, TRUE }, | |
10778 | { { ".debug_macro.dwo", ".zdebug_macro.dwo", NO_ABBREVS }, display_debug_macro, &do_debug_macinfo, TRUE }, | |
10779 | { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NO_ABBREVS }, display_debug_macinfo, &do_debug_macinfo, FALSE }, | |
10780 | { { ".debug_str.dwo", ".zdebug_str.dwo", NO_ABBREVS }, display_debug_str, &do_debug_str, TRUE }, | |
10781 | { { ".debug_str_offsets", ".zdebug_str_offsets", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE }, | |
10782 | { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NO_ABBREVS }, display_debug_str_offsets, NULL, FALSE }, | |
10783 | { { ".debug_addr", ".zdebug_addr", NO_ABBREVS }, display_debug_addr, &do_debug_addr, TRUE }, | |
10784 | { { ".debug_cu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE }, | |
10785 | { { ".debug_tu_index", "", NO_ABBREVS }, display_cu_index, &do_debug_cu_index, FALSE }, | |
10786 | { { ".gnu_debuglink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE }, | |
10787 | { { ".gnu_debugaltlink", "", NO_ABBREVS }, display_debug_links, &do_debug_links, FALSE }, | |
10788 | /* Separate debug info files can containt their own .debug_str section, | |
10789 | and this might be in *addition* to a .debug_str section already present | |
10790 | in the main file. Hence we need to have two entries for .debug_str. */ | |
10791 | { { ".debug_str", ".zdebug_str", NO_ABBREVS }, display_debug_str, &do_debug_str, FALSE }, | |
19e6b90e | 10792 | }; |
b451e98a JK |
10793 | |
10794 | /* A static assertion. */ | |
10795 | extern int debug_displays_assert[ARRAY_SIZE (debug_displays) == max ? 1 : -1]; |