Commit | Line | Data |
---|---|---|
19e6b90e | 1 | /* dwarf.c -- display DWARF contents of a BFD binary file |
4b95cf5c | 2 | Copyright (C) 2005-2014 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" |
19e6b90e | 31 | |
18464d4d JK |
32 | static const char *regname (unsigned int regno, int row); |
33 | ||
19e6b90e L |
34 | static int have_frame_base; |
35 | static int need_base_address; | |
36 | ||
37 | static unsigned int last_pointer_size = 0; | |
38 | static int warned_about_missing_comp_units = FALSE; | |
39 | ||
40 | static unsigned int num_debug_info_entries = 0; | |
41 | static debug_info *debug_information = NULL; | |
cc86f28f NC |
42 | /* Special value for num_debug_info_entries to indicate |
43 | that the .debug_info section could not be loaded/parsed. */ | |
44 | #define DEBUG_INFO_UNAVAILABLE (unsigned int) -1 | |
19e6b90e | 45 | |
2dc4cec1 | 46 | int eh_addr_size; |
19e6b90e L |
47 | |
48 | int do_debug_info; | |
49 | int do_debug_abbrevs; | |
50 | int do_debug_lines; | |
51 | int do_debug_pubnames; | |
f9f0e732 | 52 | int do_debug_pubtypes; |
19e6b90e L |
53 | int do_debug_aranges; |
54 | int do_debug_ranges; | |
55 | int do_debug_frames; | |
56 | int do_debug_frames_interp; | |
57 | int do_debug_macinfo; | |
58 | int do_debug_str; | |
59 | int do_debug_loc; | |
5bbdf3d5 | 60 | int do_gdb_index; |
6f875884 TG |
61 | int do_trace_info; |
62 | int do_trace_abbrevs; | |
63 | int do_trace_aranges; | |
657d0d47 CC |
64 | int do_debug_addr; |
65 | int do_debug_cu_index; | |
a262ae96 | 66 | int do_wide; |
19e6b90e | 67 | |
fd2f0033 TT |
68 | int dwarf_cutoff_level = -1; |
69 | unsigned long dwarf_start_die; | |
70 | ||
4723351a CC |
71 | int dwarf_check = 0; |
72 | ||
341f9135 CC |
73 | /* Collection of CU/TU section sets from .debug_cu_index and .debug_tu_index |
74 | sections. For version 1 package files, each set is stored in SHNDX_POOL | |
75 | as a zero-terminated list of section indexes comprising one set of debug | |
76 | sections from a .dwo file. */ | |
77 | ||
78 | static int cu_tu_indexes_read = 0; | |
79 | static unsigned int *shndx_pool = NULL; | |
80 | static unsigned int shndx_pool_size = 0; | |
81 | static unsigned int shndx_pool_used = 0; | |
82 | ||
83 | /* For version 2 package files, each set contains an array of section offsets | |
84 | and an array of section sizes, giving the offset and size of the | |
85 | contribution from a CU or TU within one of the debug sections. | |
86 | When displaying debug info from a package file, we need to use these | |
87 | tables to locate the corresponding contributions to each section. */ | |
88 | ||
89 | struct cu_tu_set | |
90 | { | |
91 | uint64_t signature; | |
92 | dwarf_vma section_offsets[DW_SECT_MAX]; | |
93 | size_t section_sizes[DW_SECT_MAX]; | |
94 | }; | |
95 | ||
96 | static int cu_count = 0; | |
97 | static int tu_count = 0; | |
98 | static struct cu_tu_set *cu_sets = NULL; | |
99 | static struct cu_tu_set *tu_sets = NULL; | |
100 | ||
101 | static void load_cu_tu_indexes (void *file); | |
102 | ||
4cb93e3b TG |
103 | /* Values for do_debug_lines. */ |
104 | #define FLAG_DEBUG_LINES_RAW 1 | |
105 | #define FLAG_DEBUG_LINES_DECODED 2 | |
106 | ||
f1c4cc75 RH |
107 | static int |
108 | size_of_encoded_value (int encoding) | |
109 | { | |
110 | switch (encoding & 0x7) | |
111 | { | |
112 | default: /* ??? */ | |
113 | case 0: return eh_addr_size; | |
114 | case 2: return 2; | |
115 | case 3: return 4; | |
116 | case 4: return 8; | |
117 | } | |
118 | } | |
119 | ||
120 | static dwarf_vma | |
041830e0 | 121 | get_encoded_value (unsigned char **pdata, |
bad62cf5 | 122 | int encoding, |
041830e0 NC |
123 | struct dwarf_section *section, |
124 | unsigned char * end) | |
f1c4cc75 | 125 | { |
041830e0 | 126 | unsigned char * data = * pdata; |
6937bb54 | 127 | unsigned int size = size_of_encoded_value (encoding); |
bad62cf5 | 128 | dwarf_vma val; |
f1c4cc75 | 129 | |
041830e0 NC |
130 | if (data + size >= end) |
131 | { | |
132 | warn (_("Encoded value extends past end of section\n")); | |
133 | * pdata = end; | |
134 | return 0; | |
135 | } | |
136 | ||
6937bb54 NC |
137 | /* PR 17512: file: 002-829853-0.004. */ |
138 | if (size > 8) | |
139 | { | |
140 | warn (_("Encoded size of %d is too large to read\n"), size); | |
141 | * pdata = end; | |
142 | return 0; | |
143 | } | |
144 | ||
f1c4cc75 | 145 | if (encoding & DW_EH_PE_signed) |
bad62cf5 | 146 | val = byte_get_signed (data, size); |
f1c4cc75 | 147 | else |
bad62cf5 AM |
148 | val = byte_get (data, size); |
149 | ||
150 | if ((encoding & 0x70) == DW_EH_PE_pcrel) | |
151 | val += section->address + (data - section->start); | |
041830e0 NC |
152 | |
153 | * pdata = data + size; | |
bad62cf5 | 154 | return val; |
f1c4cc75 RH |
155 | } |
156 | ||
2d9472a2 | 157 | #if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2) |
467c65bc | 158 | #ifndef __MINGW32__ |
bf5117e3 NC |
159 | #define DWARF_VMA_FMT "ll" |
160 | #define DWARF_VMA_FMT_LONG "%16.16llx" | |
2e14fae2 | 161 | #else |
bf5117e3 NC |
162 | #define DWARF_VMA_FMT "I64" |
163 | #define DWARF_VMA_FMT_LONG "%016I64x" | |
2e14fae2 | 164 | #endif |
2d9472a2 | 165 | #else |
bf5117e3 NC |
166 | #define DWARF_VMA_FMT "l" |
167 | #define DWARF_VMA_FMT_LONG "%16.16lx" | |
2d9472a2 NC |
168 | #endif |
169 | ||
bf5117e3 NC |
170 | /* Convert a dwarf vma value into a string. Returns a pointer to a static |
171 | buffer containing the converted VALUE. The value is converted according | |
172 | to the printf formating character FMTCH. If NUM_BYTES is non-zero then | |
173 | it specifies the maximum number of bytes to be displayed in the converted | |
174 | value and FMTCH is ignored - hex is always used. */ | |
467c65bc | 175 | |
47704ddf | 176 | static const char * |
bf5117e3 | 177 | dwarf_vmatoa_1 (const char *fmtch, dwarf_vma value, unsigned num_bytes) |
47704ddf KT |
178 | { |
179 | /* As dwarf_vmatoa is used more then once in a printf call | |
180 | for output, we are cycling through an fixed array of pointers | |
181 | for return address. */ | |
182 | static int buf_pos = 0; | |
467c65bc NC |
183 | static struct dwarf_vmatoa_buf |
184 | { | |
47704ddf KT |
185 | char place[64]; |
186 | } buf[16]; | |
47704ddf KT |
187 | char *ret; |
188 | ||
47704ddf | 189 | ret = buf[buf_pos++].place; |
467c65bc | 190 | buf_pos %= ARRAY_SIZE (buf); |
47704ddf | 191 | |
bf5117e3 NC |
192 | if (num_bytes) |
193 | { | |
194 | /* Printf does not have a way of specifiying a maximum field width for an | |
195 | integer value, so we print the full value into a buffer and then select | |
196 | the precision we need. */ | |
197 | snprintf (ret, sizeof (buf[0].place), DWARF_VMA_FMT_LONG, value); | |
198 | if (num_bytes > 8) | |
199 | num_bytes = 8; | |
200 | return ret + (16 - 2 * num_bytes); | |
201 | } | |
202 | else | |
203 | { | |
204 | char fmt[32]; | |
205 | ||
206 | sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch); | |
207 | snprintf (ret, sizeof (buf[0].place), fmt, value); | |
208 | return ret; | |
209 | } | |
210 | } | |
47704ddf | 211 | |
bf5117e3 NC |
212 | static inline const char * |
213 | dwarf_vmatoa (const char * fmtch, dwarf_vma value) | |
214 | { | |
215 | return dwarf_vmatoa_1 (fmtch, value, 0); | |
216 | } | |
217 | ||
218 | /* Print a dwarf_vma value (typically an address, offset or length) in | |
219 | hexadecimal format, followed by a space. The length of the VALUE (and | |
220 | hence the precision displayed) is determined by the NUM_BYTES parameter. */ | |
221 | ||
222 | static void | |
223 | print_dwarf_vma (dwarf_vma value, unsigned num_bytes) | |
224 | { | |
225 | printf ("%s ", dwarf_vmatoa_1 (NULL, value, num_bytes)); | |
47704ddf KT |
226 | } |
227 | ||
74bc6052 CC |
228 | /* Format a 64-bit value, given as two 32-bit values, in hex. |
229 | For reentrancy, this uses a buffer provided by the caller. */ | |
230 | ||
231 | static const char * | |
232 | dwarf_vmatoa64 (dwarf_vma hvalue, dwarf_vma lvalue, char *buf, | |
233 | unsigned int buf_len) | |
234 | { | |
235 | int len = 0; | |
236 | ||
237 | if (hvalue == 0) | |
238 | snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", lvalue); | |
239 | else | |
240 | { | |
241 | len = snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", hvalue); | |
242 | snprintf (buf + len, buf_len - len, | |
243 | "%08" DWARF_VMA_FMT "x", lvalue); | |
244 | } | |
245 | ||
246 | return buf; | |
247 | } | |
248 | ||
f6f0e17b NC |
249 | /* Read in a LEB128 encoded value starting at address DATA. |
250 | If SIGN is true, return a signed LEB128 value. | |
251 | If LENGTH_RETURN is not NULL, return in it the number of bytes read. | |
252 | No bytes will be read at address END or beyond. */ | |
253 | ||
467c65bc | 254 | dwarf_vma |
f6f0e17b NC |
255 | read_leb128 (unsigned char *data, |
256 | unsigned int *length_return, | |
257 | bfd_boolean sign, | |
258 | const unsigned char * const end) | |
19e6b90e | 259 | { |
467c65bc | 260 | dwarf_vma result = 0; |
19e6b90e L |
261 | unsigned int num_read = 0; |
262 | unsigned int shift = 0; | |
f6f0e17b | 263 | unsigned char byte = 0; |
19e6b90e | 264 | |
f6f0e17b | 265 | while (data < end) |
19e6b90e L |
266 | { |
267 | byte = *data++; | |
268 | num_read++; | |
269 | ||
467c65bc | 270 | result |= ((dwarf_vma) (byte & 0x7f)) << shift; |
19e6b90e L |
271 | |
272 | shift += 7; | |
f6f0e17b NC |
273 | if ((byte & 0x80) == 0) |
274 | break; | |
19e6b90e | 275 | } |
19e6b90e L |
276 | |
277 | if (length_return != NULL) | |
278 | *length_return = num_read; | |
279 | ||
280 | if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40)) | |
65879393 | 281 | result |= (dwarf_vma) -1 << shift; |
19e6b90e L |
282 | |
283 | return result; | |
284 | } | |
285 | ||
467c65bc | 286 | /* Create a signed version to avoid painful typecasts. */ |
f6f0e17b NC |
287 | static inline dwarf_signed_vma |
288 | read_sleb128 (unsigned char * data, | |
289 | unsigned int * length_return, | |
290 | const unsigned char * const end) | |
291 | { | |
292 | return (dwarf_signed_vma) read_leb128 (data, length_return, TRUE, end); | |
293 | } | |
294 | ||
295 | static inline dwarf_vma | |
296 | read_uleb128 (unsigned char * data, | |
297 | unsigned int * length_return, | |
298 | const unsigned char * const end) | |
467c65bc | 299 | { |
f6f0e17b | 300 | return read_leb128 (data, length_return, FALSE, end); |
467c65bc NC |
301 | } |
302 | ||
0c588247 NC |
303 | #define SAFE_BYTE_GET(VAL, PTR, AMOUNT, END) \ |
304 | do \ | |
305 | { \ | |
e39462cb | 306 | int dummy [sizeof (VAL) < (AMOUNT) ? -1 : 1] ATTRIBUTE_UNUSED ; \ |
0c588247 NC |
307 | unsigned int amount = (AMOUNT); \ |
308 | if (((PTR) + amount) >= (END)) \ | |
309 | { \ | |
310 | if ((PTR) < (END)) \ | |
311 | amount = (END) - (PTR); \ | |
312 | else \ | |
313 | amount = 0; \ | |
314 | } \ | |
6937bb54 | 315 | if (amount == 0 || amount > 8) \ |
0c588247 | 316 | VAL = 0; \ |
6937bb54 NC |
317 | else \ |
318 | VAL = byte_get ((PTR), amount); \ | |
0c588247 NC |
319 | } \ |
320 | while (0) | |
321 | ||
322 | #define SAFE_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \ | |
323 | do \ | |
324 | { \ | |
325 | SAFE_BYTE_GET (VAL, PTR, AMOUNT, END); \ | |
326 | PTR += AMOUNT; \ | |
327 | } \ | |
328 | while (0) | |
329 | ||
330 | #define SAFE_SIGNED_BYTE_GET(VAL, PTR, AMOUNT, END) \ | |
331 | do \ | |
332 | { \ | |
333 | unsigned int amount = (AMOUNT); \ | |
334 | if (((PTR) + amount) >= (END)) \ | |
335 | { \ | |
336 | if ((PTR) < (END)) \ | |
337 | amount = (END) - (PTR); \ | |
338 | else \ | |
339 | amount = 0; \ | |
340 | } \ | |
341 | if (amount) \ | |
342 | VAL = byte_get_signed ((PTR), amount); \ | |
343 | else \ | |
344 | VAL = 0; \ | |
345 | } \ | |
346 | while (0) | |
347 | ||
348 | #define SAFE_SIGNED_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \ | |
349 | do \ | |
350 | { \ | |
351 | SAFE_SIGNED_BYTE_GET (VAL, PTR, AMOUNT, END); \ | |
352 | PTR += AMOUNT; \ | |
353 | } \ | |
354 | while (0) | |
355 | ||
356 | #define SAFE_BYTE_GET64(PTR, HIGH, LOW, END) \ | |
357 | do \ | |
358 | { \ | |
87bc83b3 | 359 | if (((PTR) + 8) <= (END)) \ |
0c588247 NC |
360 | { \ |
361 | byte_get_64 ((PTR), (HIGH), (LOW)); \ | |
362 | } \ | |
363 | else \ | |
364 | { \ | |
0c588247 NC |
365 | * (LOW) = * (HIGH) = 0; \ |
366 | } \ | |
367 | } \ | |
368 | while (0) | |
369 | ||
19e6b90e L |
370 | typedef struct State_Machine_Registers |
371 | { | |
467c65bc | 372 | dwarf_vma address; |
19e6b90e L |
373 | unsigned int file; |
374 | unsigned int line; | |
375 | unsigned int column; | |
376 | int is_stmt; | |
377 | int basic_block; | |
a233b20c JJ |
378 | unsigned char op_index; |
379 | unsigned char end_sequence; | |
19e6b90e L |
380 | /* This variable hold the number of the last entry seen |
381 | in the File Table. */ | |
382 | unsigned int last_file_entry; | |
383 | } SMR; | |
384 | ||
385 | static SMR state_machine_regs; | |
386 | ||
387 | static void | |
388 | reset_state_machine (int is_stmt) | |
389 | { | |
390 | state_machine_regs.address = 0; | |
a233b20c | 391 | state_machine_regs.op_index = 0; |
19e6b90e L |
392 | state_machine_regs.file = 1; |
393 | state_machine_regs.line = 1; | |
394 | state_machine_regs.column = 0; | |
395 | state_machine_regs.is_stmt = is_stmt; | |
396 | state_machine_regs.basic_block = 0; | |
397 | state_machine_regs.end_sequence = 0; | |
398 | state_machine_regs.last_file_entry = 0; | |
399 | } | |
400 | ||
401 | /* Handled an extend line op. | |
402 | Returns the number of bytes read. */ | |
403 | ||
404 | static int | |
f6f0e17b NC |
405 | process_extended_line_op (unsigned char * data, |
406 | int is_stmt, | |
407 | unsigned char * end) | |
19e6b90e L |
408 | { |
409 | unsigned char op_code; | |
410 | unsigned int bytes_read; | |
411 | unsigned int len; | |
412 | unsigned char *name; | |
143a3db0 | 413 | unsigned char *orig_data = data; |
f6f0e17b | 414 | dwarf_vma adr; |
19e6b90e | 415 | |
f6f0e17b | 416 | len = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
417 | data += bytes_read; |
418 | ||
6937bb54 | 419 | if (len == 0 || data == end || len > (end - data)) |
19e6b90e | 420 | { |
f41e4712 | 421 | warn (_("Badly formed extended line op encountered!\n")); |
19e6b90e L |
422 | return bytes_read; |
423 | } | |
424 | ||
425 | len += bytes_read; | |
426 | op_code = *data++; | |
427 | ||
428 | printf (_(" Extended opcode %d: "), op_code); | |
429 | ||
430 | switch (op_code) | |
431 | { | |
432 | case DW_LNE_end_sequence: | |
433 | printf (_("End of Sequence\n\n")); | |
434 | reset_state_machine (is_stmt); | |
435 | break; | |
436 | ||
437 | case DW_LNE_set_address: | |
6937bb54 NC |
438 | /* PR 17512: file: 002-100480-0.004. */ |
439 | if (len - bytes_read - 1 > 8) | |
440 | warn (_("Length (%d) of DW_LNE_set_address op is too long\n"), | |
441 | len - bytes_read - 1); | |
0c588247 | 442 | SAFE_BYTE_GET (adr, data, len - bytes_read - 1, end); |
47704ddf | 443 | printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr)); |
19e6b90e | 444 | state_machine_regs.address = adr; |
a233b20c | 445 | state_machine_regs.op_index = 0; |
19e6b90e L |
446 | break; |
447 | ||
448 | case DW_LNE_define_file: | |
143a3db0 | 449 | printf (_("define new File Table entry\n")); |
19e6b90e | 450 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); |
cc5914eb | 451 | printf (" %d\t", ++state_machine_regs.last_file_entry); |
f6f0e17b | 452 | |
19e6b90e | 453 | name = data; |
0c588247 | 454 | data += strnlen ((char *) data, end - data) + 1; |
f6f0e17b | 455 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); |
19e6b90e | 456 | data += bytes_read; |
f6f0e17b | 457 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); |
19e6b90e | 458 | data += bytes_read; |
f6f0e17b | 459 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); |
143a3db0 | 460 | data += bytes_read; |
f6f0e17b NC |
461 | printf ("%s\n\n", name); |
462 | ||
463 | if (((unsigned int) (data - orig_data) != len) || data == end) | |
464 | warn (_("DW_LNE_define_file: Bad opcode length\n")); | |
19e6b90e L |
465 | break; |
466 | ||
ed4a4bdf | 467 | case DW_LNE_set_discriminator: |
47704ddf | 468 | printf (_("set Discriminator to %s\n"), |
f6f0e17b | 469 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); |
ed4a4bdf CC |
470 | break; |
471 | ||
e2a0d921 NC |
472 | /* HP extensions. */ |
473 | case DW_LNE_HP_negate_is_UV_update: | |
ed4a4bdf | 474 | printf ("DW_LNE_HP_negate_is_UV_update\n"); |
e2a0d921 NC |
475 | break; |
476 | case DW_LNE_HP_push_context: | |
ed4a4bdf | 477 | printf ("DW_LNE_HP_push_context\n"); |
e2a0d921 NC |
478 | break; |
479 | case DW_LNE_HP_pop_context: | |
ed4a4bdf | 480 | printf ("DW_LNE_HP_pop_context\n"); |
e2a0d921 NC |
481 | break; |
482 | case DW_LNE_HP_set_file_line_column: | |
ed4a4bdf | 483 | printf ("DW_LNE_HP_set_file_line_column\n"); |
e2a0d921 NC |
484 | break; |
485 | case DW_LNE_HP_set_routine_name: | |
ed4a4bdf | 486 | printf ("DW_LNE_HP_set_routine_name\n"); |
e2a0d921 NC |
487 | break; |
488 | case DW_LNE_HP_set_sequence: | |
ed4a4bdf | 489 | printf ("DW_LNE_HP_set_sequence\n"); |
e2a0d921 NC |
490 | break; |
491 | case DW_LNE_HP_negate_post_semantics: | |
ed4a4bdf | 492 | printf ("DW_LNE_HP_negate_post_semantics\n"); |
e2a0d921 NC |
493 | break; |
494 | case DW_LNE_HP_negate_function_exit: | |
ed4a4bdf | 495 | printf ("DW_LNE_HP_negate_function_exit\n"); |
e2a0d921 NC |
496 | break; |
497 | case DW_LNE_HP_negate_front_end_logical: | |
ed4a4bdf | 498 | printf ("DW_LNE_HP_negate_front_end_logical\n"); |
e2a0d921 NC |
499 | break; |
500 | case DW_LNE_HP_define_proc: | |
ed4a4bdf | 501 | printf ("DW_LNE_HP_define_proc\n"); |
e2a0d921 | 502 | break; |
43294ab7 TG |
503 | case DW_LNE_HP_source_file_correlation: |
504 | { | |
505 | unsigned char *edata = data + len - bytes_read - 1; | |
506 | ||
507 | printf ("DW_LNE_HP_source_file_correlation\n"); | |
508 | ||
509 | while (data < edata) | |
510 | { | |
511 | unsigned int opc; | |
512 | ||
f6f0e17b | 513 | opc = read_uleb128 (data, & bytes_read, edata); |
43294ab7 TG |
514 | data += bytes_read; |
515 | ||
516 | switch (opc) | |
517 | { | |
518 | case DW_LNE_HP_SFC_formfeed: | |
519 | printf (" DW_LNE_HP_SFC_formfeed\n"); | |
520 | break; | |
521 | case DW_LNE_HP_SFC_set_listing_line: | |
522 | printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n", | |
523 | dwarf_vmatoa ("u", | |
f6f0e17b | 524 | read_uleb128 (data, & bytes_read, edata))); |
43294ab7 TG |
525 | data += bytes_read; |
526 | break; | |
527 | case DW_LNE_HP_SFC_associate: | |
528 | printf (" DW_LNE_HP_SFC_associate "); | |
9cf03b7e | 529 | printf ("(%s", |
43294ab7 | 530 | dwarf_vmatoa ("u", |
f6f0e17b | 531 | read_uleb128 (data, & bytes_read, edata))); |
43294ab7 | 532 | data += bytes_read; |
9cf03b7e | 533 | printf (",%s", |
43294ab7 | 534 | dwarf_vmatoa ("u", |
f6f0e17b | 535 | read_uleb128 (data, & bytes_read, edata))); |
43294ab7 | 536 | data += bytes_read; |
9cf03b7e | 537 | printf (",%s)\n", |
43294ab7 | 538 | dwarf_vmatoa ("u", |
f6f0e17b | 539 | read_uleb128 (data, & bytes_read, edata))); |
43294ab7 TG |
540 | data += bytes_read; |
541 | break; | |
542 | default: | |
9cf03b7e | 543 | printf (_(" UNKNOWN DW_LNE_HP_SFC opcode (%u)\n"), opc); |
43294ab7 TG |
544 | data = edata; |
545 | break; | |
546 | } | |
547 | } | |
548 | } | |
549 | break; | |
cecf136e | 550 | |
19e6b90e | 551 | default: |
7e665af3 TG |
552 | { |
553 | unsigned int rlen = len - bytes_read - 1; | |
554 | ||
555 | if (op_code >= DW_LNE_lo_user | |
556 | /* The test against DW_LNW_hi_user is redundant due to | |
557 | the limited range of the unsigned char data type used | |
558 | for op_code. */ | |
559 | /*&& op_code <= DW_LNE_hi_user*/) | |
560 | printf (_("user defined: ")); | |
561 | else | |
562 | printf (_("UNKNOWN: ")); | |
563 | printf (_("length %d ["), rlen); | |
564 | for (; rlen; rlen--) | |
565 | printf (" %02x", *data++); | |
566 | printf ("]\n"); | |
567 | } | |
19e6b90e L |
568 | break; |
569 | } | |
570 | ||
571 | return len; | |
572 | } | |
573 | ||
0c588247 | 574 | static const unsigned char * |
467c65bc | 575 | fetch_indirect_string (dwarf_vma offset) |
19e6b90e L |
576 | { |
577 | struct dwarf_section *section = &debug_displays [str].section; | |
578 | ||
579 | if (section->start == NULL) | |
0c588247 | 580 | return (const unsigned char *) _("<no .debug_str section>"); |
19e6b90e L |
581 | |
582 | if (offset > section->size) | |
583 | { | |
467c65bc NC |
584 | warn (_("DW_FORM_strp offset too big: %s\n"), |
585 | dwarf_vmatoa ("x", offset)); | |
0c588247 | 586 | return (const unsigned char *) _("<offset is too big>"); |
19e6b90e L |
587 | } |
588 | ||
0c588247 | 589 | return (const unsigned char *) section->start + offset; |
19e6b90e L |
590 | } |
591 | ||
4723351a | 592 | static const char * |
341f9135 CC |
593 | fetch_indexed_string (dwarf_vma idx, struct cu_tu_set *this_set, |
594 | dwarf_vma offset_size, int dwo) | |
4723351a CC |
595 | { |
596 | enum dwarf_section_display_enum str_sec_idx = dwo ? str_dwo : str; | |
597 | enum dwarf_section_display_enum idx_sec_idx = dwo ? str_index_dwo : str_index; | |
598 | struct dwarf_section *index_section = &debug_displays [idx_sec_idx].section; | |
599 | struct dwarf_section *str_section = &debug_displays [str_sec_idx].section; | |
600 | dwarf_vma index_offset = idx * offset_size; | |
601 | dwarf_vma str_offset; | |
602 | ||
603 | if (index_section->start == NULL) | |
604 | return (dwo ? _("<no .debug_str_offsets.dwo section>") | |
605 | : _("<no .debug_str_offsets section>")); | |
606 | ||
341f9135 CC |
607 | if (this_set != NULL) |
608 | index_offset += this_set->section_offsets [DW_SECT_STR_OFFSETS]; | |
4723351a CC |
609 | if (index_offset > index_section->size) |
610 | { | |
611 | warn (_("DW_FORM_GNU_str_index offset too big: %s\n"), | |
612 | dwarf_vmatoa ("x", index_offset)); | |
613 | return _("<index offset is too big>"); | |
614 | } | |
615 | ||
616 | if (str_section->start == NULL) | |
617 | return (dwo ? _("<no .debug_str.dwo section>") | |
618 | : _("<no .debug_str section>")); | |
619 | ||
620 | str_offset = byte_get (index_section->start + index_offset, offset_size); | |
621 | str_offset -= str_section->address; | |
622 | if (str_offset > str_section->size) | |
623 | { | |
624 | warn (_("DW_FORM_GNU_str_index indirect offset too big: %s\n"), | |
625 | dwarf_vmatoa ("x", str_offset)); | |
626 | return _("<indirect index offset is too big>"); | |
627 | } | |
628 | ||
629 | return (const char *) str_section->start + str_offset; | |
630 | } | |
631 | ||
632 | static const char * | |
633 | fetch_indexed_value (dwarf_vma offset, dwarf_vma bytes) | |
634 | { | |
635 | struct dwarf_section *section = &debug_displays [debug_addr].section; | |
636 | ||
637 | if (section->start == NULL) | |
638 | return (_("<no .debug_addr section>")); | |
639 | ||
640 | if (offset + bytes > section->size) | |
641 | { | |
642 | warn (_("Offset into section %s too big: %s\n"), | |
643 | section->name, dwarf_vmatoa ("x", offset)); | |
644 | return "<offset too big>"; | |
645 | } | |
646 | ||
647 | return dwarf_vmatoa ("x", byte_get (section->start + offset, bytes)); | |
648 | } | |
649 | ||
650 | ||
19e6b90e L |
651 | /* FIXME: There are better and more efficient ways to handle |
652 | these structures. For now though, I just want something that | |
653 | is simple to implement. */ | |
654 | typedef struct abbrev_attr | |
655 | { | |
656 | unsigned long attribute; | |
657 | unsigned long form; | |
658 | struct abbrev_attr *next; | |
659 | } | |
660 | abbrev_attr; | |
661 | ||
662 | typedef struct abbrev_entry | |
663 | { | |
664 | unsigned long entry; | |
665 | unsigned long tag; | |
666 | int children; | |
667 | struct abbrev_attr *first_attr; | |
668 | struct abbrev_attr *last_attr; | |
669 | struct abbrev_entry *next; | |
670 | } | |
671 | abbrev_entry; | |
672 | ||
673 | static abbrev_entry *first_abbrev = NULL; | |
674 | static abbrev_entry *last_abbrev = NULL; | |
675 | ||
676 | static void | |
677 | free_abbrevs (void) | |
678 | { | |
91d6fa6a | 679 | abbrev_entry *abbrv; |
19e6b90e | 680 | |
91d6fa6a | 681 | for (abbrv = first_abbrev; abbrv;) |
19e6b90e | 682 | { |
91d6fa6a | 683 | abbrev_entry *next_abbrev = abbrv->next; |
19e6b90e L |
684 | abbrev_attr *attr; |
685 | ||
91d6fa6a | 686 | for (attr = abbrv->first_attr; attr;) |
19e6b90e | 687 | { |
91d6fa6a | 688 | abbrev_attr *next_attr = attr->next; |
19e6b90e L |
689 | |
690 | free (attr); | |
91d6fa6a | 691 | attr = next_attr; |
19e6b90e L |
692 | } |
693 | ||
91d6fa6a NC |
694 | free (abbrv); |
695 | abbrv = next_abbrev; | |
19e6b90e L |
696 | } |
697 | ||
698 | last_abbrev = first_abbrev = NULL; | |
699 | } | |
700 | ||
701 | static void | |
702 | add_abbrev (unsigned long number, unsigned long tag, int children) | |
703 | { | |
704 | abbrev_entry *entry; | |
705 | ||
3f5e193b | 706 | entry = (abbrev_entry *) malloc (sizeof (*entry)); |
19e6b90e L |
707 | if (entry == NULL) |
708 | /* ugg */ | |
709 | return; | |
710 | ||
711 | entry->entry = number; | |
712 | entry->tag = tag; | |
713 | entry->children = children; | |
714 | entry->first_attr = NULL; | |
715 | entry->last_attr = NULL; | |
716 | entry->next = NULL; | |
717 | ||
718 | if (first_abbrev == NULL) | |
719 | first_abbrev = entry; | |
720 | else | |
721 | last_abbrev->next = entry; | |
722 | ||
723 | last_abbrev = entry; | |
724 | } | |
725 | ||
726 | static void | |
727 | add_abbrev_attr (unsigned long attribute, unsigned long form) | |
728 | { | |
729 | abbrev_attr *attr; | |
730 | ||
3f5e193b | 731 | attr = (abbrev_attr *) malloc (sizeof (*attr)); |
19e6b90e L |
732 | if (attr == NULL) |
733 | /* ugg */ | |
734 | return; | |
735 | ||
736 | attr->attribute = attribute; | |
737 | attr->form = form; | |
738 | attr->next = NULL; | |
739 | ||
740 | if (last_abbrev->first_attr == NULL) | |
741 | last_abbrev->first_attr = attr; | |
742 | else | |
743 | last_abbrev->last_attr->next = attr; | |
744 | ||
745 | last_abbrev->last_attr = attr; | |
746 | } | |
747 | ||
748 | /* Processes the (partial) contents of a .debug_abbrev section. | |
749 | Returns NULL if the end of the section was encountered. | |
750 | Returns the address after the last byte read if the end of | |
751 | an abbreviation set was found. */ | |
752 | ||
753 | static unsigned char * | |
754 | process_abbrev_section (unsigned char *start, unsigned char *end) | |
755 | { | |
756 | if (first_abbrev != NULL) | |
757 | return NULL; | |
758 | ||
759 | while (start < end) | |
760 | { | |
761 | unsigned int bytes_read; | |
762 | unsigned long entry; | |
763 | unsigned long tag; | |
764 | unsigned long attribute; | |
765 | int children; | |
766 | ||
f6f0e17b | 767 | entry = read_uleb128 (start, & bytes_read, end); |
19e6b90e L |
768 | start += bytes_read; |
769 | ||
770 | /* A single zero is supposed to end the section according | |
771 | to the standard. If there's more, then signal that to | |
772 | the caller. */ | |
f6f0e17b NC |
773 | if (start == end) |
774 | return NULL; | |
19e6b90e | 775 | if (entry == 0) |
f6f0e17b | 776 | return start; |
19e6b90e | 777 | |
f6f0e17b | 778 | tag = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 779 | start += bytes_read; |
f6f0e17b NC |
780 | if (start == end) |
781 | return NULL; | |
19e6b90e L |
782 | |
783 | children = *start++; | |
784 | ||
785 | add_abbrev (entry, tag, children); | |
786 | ||
787 | do | |
788 | { | |
789 | unsigned long form; | |
790 | ||
f6f0e17b | 791 | attribute = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 792 | start += bytes_read; |
f6f0e17b NC |
793 | if (start == end) |
794 | break; | |
19e6b90e | 795 | |
f6f0e17b | 796 | form = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 797 | start += bytes_read; |
f6f0e17b NC |
798 | if (start == end) |
799 | break; | |
19e6b90e | 800 | |
399c99f7 | 801 | add_abbrev_attr (attribute, form); |
19e6b90e L |
802 | } |
803 | while (attribute != 0); | |
804 | } | |
805 | ||
399c99f7 L |
806 | /* Report the missing single zero which ends the section. */ |
807 | error (_(".debug_abbrev section not zero terminated\n")); | |
808 | ||
19e6b90e L |
809 | return NULL; |
810 | } | |
811 | ||
a19c41a7 | 812 | static const char * |
19e6b90e L |
813 | get_TAG_name (unsigned long tag) |
814 | { | |
b9c361e0 | 815 | const char *name = get_DW_TAG_name ((unsigned int)tag); |
a19c41a7 TT |
816 | |
817 | if (name == NULL) | |
19e6b90e | 818 | { |
a19c41a7 | 819 | static char buffer[100]; |
19e6b90e | 820 | |
a19c41a7 TT |
821 | snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %lx"), tag); |
822 | return buffer; | |
19e6b90e | 823 | } |
a19c41a7 TT |
824 | |
825 | return name; | |
19e6b90e L |
826 | } |
827 | ||
a19c41a7 | 828 | static const char * |
19e6b90e L |
829 | get_FORM_name (unsigned long form) |
830 | { | |
399c99f7 | 831 | const char *name; |
bf5117e3 | 832 | |
399c99f7 L |
833 | if (form == 0) |
834 | return "DW_FORM value: 0"; | |
a19c41a7 | 835 | |
399c99f7 | 836 | name = get_DW_FORM_name (form); |
a19c41a7 | 837 | if (name == NULL) |
19e6b90e | 838 | { |
a19c41a7 | 839 | static char buffer[100]; |
19e6b90e | 840 | |
a19c41a7 TT |
841 | snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form); |
842 | return buffer; | |
19e6b90e | 843 | } |
a19c41a7 TT |
844 | |
845 | return name; | |
19e6b90e L |
846 | } |
847 | ||
848 | static unsigned char * | |
0c588247 NC |
849 | display_block (unsigned char *data, |
850 | dwarf_vma length, | |
851 | const unsigned char * const end) | |
19e6b90e | 852 | { |
0c588247 NC |
853 | dwarf_vma maxlen; |
854 | ||
467c65bc | 855 | printf (_(" %s byte block: "), dwarf_vmatoa ("u", length)); |
19e6b90e | 856 | |
0c588247 NC |
857 | maxlen = (dwarf_vma) (end - data); |
858 | length = length > maxlen ? maxlen : length; | |
859 | ||
19e6b90e L |
860 | while (length --) |
861 | printf ("%lx ", (unsigned long) byte_get (data++, 1)); | |
862 | ||
863 | return data; | |
864 | } | |
865 | ||
866 | static int | |
867 | decode_location_expression (unsigned char * data, | |
868 | unsigned int pointer_size, | |
b7807392 JJ |
869 | unsigned int offset_size, |
870 | int dwarf_version, | |
467c65bc NC |
871 | dwarf_vma length, |
872 | dwarf_vma cu_offset, | |
f1c4cc75 | 873 | struct dwarf_section * section) |
19e6b90e L |
874 | { |
875 | unsigned op; | |
876 | unsigned int bytes_read; | |
467c65bc | 877 | dwarf_vma uvalue; |
0c588247 | 878 | dwarf_signed_vma svalue; |
19e6b90e L |
879 | unsigned char *end = data + length; |
880 | int need_frame_base = 0; | |
881 | ||
882 | while (data < end) | |
883 | { | |
884 | op = *data++; | |
885 | ||
886 | switch (op) | |
887 | { | |
888 | case DW_OP_addr: | |
0c588247 NC |
889 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
890 | printf ("DW_OP_addr: %s", dwarf_vmatoa ("x", uvalue)); | |
19e6b90e L |
891 | break; |
892 | case DW_OP_deref: | |
893 | printf ("DW_OP_deref"); | |
894 | break; | |
895 | case DW_OP_const1u: | |
0c588247 NC |
896 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
897 | printf ("DW_OP_const1u: %lu", (unsigned long) uvalue); | |
19e6b90e L |
898 | break; |
899 | case DW_OP_const1s: | |
0c588247 NC |
900 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 1, end); |
901 | printf ("DW_OP_const1s: %ld", (long) svalue); | |
19e6b90e L |
902 | break; |
903 | case DW_OP_const2u: | |
87bc83b3 | 904 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
0c588247 | 905 | printf ("DW_OP_const2u: %lu", (unsigned long) uvalue); |
19e6b90e L |
906 | break; |
907 | case DW_OP_const2s: | |
0c588247 NC |
908 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
909 | printf ("DW_OP_const2s: %ld", (long) svalue); | |
19e6b90e L |
910 | break; |
911 | case DW_OP_const4u: | |
0c588247 NC |
912 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
913 | printf ("DW_OP_const4u: %lu", (unsigned long) uvalue); | |
19e6b90e L |
914 | break; |
915 | case DW_OP_const4s: | |
0c588247 NC |
916 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
917 | printf ("DW_OP_const4s: %ld", (long) svalue); | |
19e6b90e L |
918 | break; |
919 | case DW_OP_const8u: | |
0c588247 NC |
920 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
921 | printf ("DW_OP_const8u: %lu ", (unsigned long) uvalue); | |
922 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); | |
923 | printf ("%lu", (unsigned long) uvalue); | |
19e6b90e L |
924 | break; |
925 | case DW_OP_const8s: | |
0c588247 NC |
926 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
927 | printf ("DW_OP_const8s: %ld ", (long) svalue); | |
928 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); | |
929 | printf ("%ld", (long) svalue); | |
19e6b90e L |
930 | break; |
931 | case DW_OP_constu: | |
467c65bc | 932 | printf ("DW_OP_constu: %s", |
f6f0e17b | 933 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
934 | data += bytes_read; |
935 | break; | |
936 | case DW_OP_consts: | |
467c65bc | 937 | printf ("DW_OP_consts: %s", |
f6f0e17b | 938 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
939 | data += bytes_read; |
940 | break; | |
941 | case DW_OP_dup: | |
942 | printf ("DW_OP_dup"); | |
943 | break; | |
944 | case DW_OP_drop: | |
945 | printf ("DW_OP_drop"); | |
946 | break; | |
947 | case DW_OP_over: | |
948 | printf ("DW_OP_over"); | |
949 | break; | |
950 | case DW_OP_pick: | |
0c588247 NC |
951 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
952 | printf ("DW_OP_pick: %ld", (unsigned long) uvalue); | |
19e6b90e L |
953 | break; |
954 | case DW_OP_swap: | |
955 | printf ("DW_OP_swap"); | |
956 | break; | |
957 | case DW_OP_rot: | |
958 | printf ("DW_OP_rot"); | |
959 | break; | |
960 | case DW_OP_xderef: | |
961 | printf ("DW_OP_xderef"); | |
962 | break; | |
963 | case DW_OP_abs: | |
964 | printf ("DW_OP_abs"); | |
965 | break; | |
966 | case DW_OP_and: | |
967 | printf ("DW_OP_and"); | |
968 | break; | |
969 | case DW_OP_div: | |
970 | printf ("DW_OP_div"); | |
971 | break; | |
972 | case DW_OP_minus: | |
973 | printf ("DW_OP_minus"); | |
974 | break; | |
975 | case DW_OP_mod: | |
976 | printf ("DW_OP_mod"); | |
977 | break; | |
978 | case DW_OP_mul: | |
979 | printf ("DW_OP_mul"); | |
980 | break; | |
981 | case DW_OP_neg: | |
982 | printf ("DW_OP_neg"); | |
983 | break; | |
984 | case DW_OP_not: | |
985 | printf ("DW_OP_not"); | |
986 | break; | |
987 | case DW_OP_or: | |
988 | printf ("DW_OP_or"); | |
989 | break; | |
990 | case DW_OP_plus: | |
991 | printf ("DW_OP_plus"); | |
992 | break; | |
993 | case DW_OP_plus_uconst: | |
467c65bc | 994 | printf ("DW_OP_plus_uconst: %s", |
f6f0e17b | 995 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
996 | data += bytes_read; |
997 | break; | |
998 | case DW_OP_shl: | |
999 | printf ("DW_OP_shl"); | |
1000 | break; | |
1001 | case DW_OP_shr: | |
1002 | printf ("DW_OP_shr"); | |
1003 | break; | |
1004 | case DW_OP_shra: | |
1005 | printf ("DW_OP_shra"); | |
1006 | break; | |
1007 | case DW_OP_xor: | |
1008 | printf ("DW_OP_xor"); | |
1009 | break; | |
1010 | case DW_OP_bra: | |
0c588247 NC |
1011 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1012 | printf ("DW_OP_bra: %ld", (long) svalue); | |
19e6b90e L |
1013 | break; |
1014 | case DW_OP_eq: | |
1015 | printf ("DW_OP_eq"); | |
1016 | break; | |
1017 | case DW_OP_ge: | |
1018 | printf ("DW_OP_ge"); | |
1019 | break; | |
1020 | case DW_OP_gt: | |
1021 | printf ("DW_OP_gt"); | |
1022 | break; | |
1023 | case DW_OP_le: | |
1024 | printf ("DW_OP_le"); | |
1025 | break; | |
1026 | case DW_OP_lt: | |
1027 | printf ("DW_OP_lt"); | |
1028 | break; | |
1029 | case DW_OP_ne: | |
1030 | printf ("DW_OP_ne"); | |
1031 | break; | |
1032 | case DW_OP_skip: | |
0c588247 NC |
1033 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1034 | printf ("DW_OP_skip: %ld", (long) svalue); | |
19e6b90e L |
1035 | break; |
1036 | ||
1037 | case DW_OP_lit0: | |
1038 | case DW_OP_lit1: | |
1039 | case DW_OP_lit2: | |
1040 | case DW_OP_lit3: | |
1041 | case DW_OP_lit4: | |
1042 | case DW_OP_lit5: | |
1043 | case DW_OP_lit6: | |
1044 | case DW_OP_lit7: | |
1045 | case DW_OP_lit8: | |
1046 | case DW_OP_lit9: | |
1047 | case DW_OP_lit10: | |
1048 | case DW_OP_lit11: | |
1049 | case DW_OP_lit12: | |
1050 | case DW_OP_lit13: | |
1051 | case DW_OP_lit14: | |
1052 | case DW_OP_lit15: | |
1053 | case DW_OP_lit16: | |
1054 | case DW_OP_lit17: | |
1055 | case DW_OP_lit18: | |
1056 | case DW_OP_lit19: | |
1057 | case DW_OP_lit20: | |
1058 | case DW_OP_lit21: | |
1059 | case DW_OP_lit22: | |
1060 | case DW_OP_lit23: | |
1061 | case DW_OP_lit24: | |
1062 | case DW_OP_lit25: | |
1063 | case DW_OP_lit26: | |
1064 | case DW_OP_lit27: | |
1065 | case DW_OP_lit28: | |
1066 | case DW_OP_lit29: | |
1067 | case DW_OP_lit30: | |
1068 | case DW_OP_lit31: | |
1069 | printf ("DW_OP_lit%d", op - DW_OP_lit0); | |
1070 | break; | |
1071 | ||
1072 | case DW_OP_reg0: | |
1073 | case DW_OP_reg1: | |
1074 | case DW_OP_reg2: | |
1075 | case DW_OP_reg3: | |
1076 | case DW_OP_reg4: | |
1077 | case DW_OP_reg5: | |
1078 | case DW_OP_reg6: | |
1079 | case DW_OP_reg7: | |
1080 | case DW_OP_reg8: | |
1081 | case DW_OP_reg9: | |
1082 | case DW_OP_reg10: | |
1083 | case DW_OP_reg11: | |
1084 | case DW_OP_reg12: | |
1085 | case DW_OP_reg13: | |
1086 | case DW_OP_reg14: | |
1087 | case DW_OP_reg15: | |
1088 | case DW_OP_reg16: | |
1089 | case DW_OP_reg17: | |
1090 | case DW_OP_reg18: | |
1091 | case DW_OP_reg19: | |
1092 | case DW_OP_reg20: | |
1093 | case DW_OP_reg21: | |
1094 | case DW_OP_reg22: | |
1095 | case DW_OP_reg23: | |
1096 | case DW_OP_reg24: | |
1097 | case DW_OP_reg25: | |
1098 | case DW_OP_reg26: | |
1099 | case DW_OP_reg27: | |
1100 | case DW_OP_reg28: | |
1101 | case DW_OP_reg29: | |
1102 | case DW_OP_reg30: | |
1103 | case DW_OP_reg31: | |
18464d4d JK |
1104 | printf ("DW_OP_reg%d (%s)", op - DW_OP_reg0, |
1105 | regname (op - DW_OP_reg0, 1)); | |
19e6b90e L |
1106 | break; |
1107 | ||
1108 | case DW_OP_breg0: | |
1109 | case DW_OP_breg1: | |
1110 | case DW_OP_breg2: | |
1111 | case DW_OP_breg3: | |
1112 | case DW_OP_breg4: | |
1113 | case DW_OP_breg5: | |
1114 | case DW_OP_breg6: | |
1115 | case DW_OP_breg7: | |
1116 | case DW_OP_breg8: | |
1117 | case DW_OP_breg9: | |
1118 | case DW_OP_breg10: | |
1119 | case DW_OP_breg11: | |
1120 | case DW_OP_breg12: | |
1121 | case DW_OP_breg13: | |
1122 | case DW_OP_breg14: | |
1123 | case DW_OP_breg15: | |
1124 | case DW_OP_breg16: | |
1125 | case DW_OP_breg17: | |
1126 | case DW_OP_breg18: | |
1127 | case DW_OP_breg19: | |
1128 | case DW_OP_breg20: | |
1129 | case DW_OP_breg21: | |
1130 | case DW_OP_breg22: | |
1131 | case DW_OP_breg23: | |
1132 | case DW_OP_breg24: | |
1133 | case DW_OP_breg25: | |
1134 | case DW_OP_breg26: | |
1135 | case DW_OP_breg27: | |
1136 | case DW_OP_breg28: | |
1137 | case DW_OP_breg29: | |
1138 | case DW_OP_breg30: | |
1139 | case DW_OP_breg31: | |
467c65bc | 1140 | printf ("DW_OP_breg%d (%s): %s", |
47704ddf | 1141 | op - DW_OP_breg0, |
18464d4d | 1142 | regname (op - DW_OP_breg0, 1), |
f6f0e17b | 1143 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1144 | data += bytes_read; |
1145 | break; | |
1146 | ||
1147 | case DW_OP_regx: | |
f6f0e17b | 1148 | uvalue = read_uleb128 (data, &bytes_read, end); |
19e6b90e | 1149 | data += bytes_read; |
467c65bc NC |
1150 | printf ("DW_OP_regx: %s (%s)", |
1151 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); | |
19e6b90e L |
1152 | break; |
1153 | case DW_OP_fbreg: | |
1154 | need_frame_base = 1; | |
467c65bc | 1155 | printf ("DW_OP_fbreg: %s", |
f6f0e17b | 1156 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1157 | data += bytes_read; |
1158 | break; | |
1159 | case DW_OP_bregx: | |
f6f0e17b | 1160 | uvalue = read_uleb128 (data, &bytes_read, end); |
19e6b90e | 1161 | data += bytes_read; |
467c65bc NC |
1162 | printf ("DW_OP_bregx: %s (%s) %s", |
1163 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1), | |
f6f0e17b | 1164 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1165 | data += bytes_read; |
1166 | break; | |
1167 | case DW_OP_piece: | |
467c65bc | 1168 | printf ("DW_OP_piece: %s", |
f6f0e17b | 1169 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
1170 | data += bytes_read; |
1171 | break; | |
1172 | case DW_OP_deref_size: | |
0c588247 NC |
1173 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1174 | printf ("DW_OP_deref_size: %ld", (long) uvalue); | |
19e6b90e L |
1175 | break; |
1176 | case DW_OP_xderef_size: | |
0c588247 NC |
1177 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1178 | printf ("DW_OP_xderef_size: %ld", (long) uvalue); | |
19e6b90e L |
1179 | break; |
1180 | case DW_OP_nop: | |
1181 | printf ("DW_OP_nop"); | |
1182 | break; | |
1183 | ||
1184 | /* DWARF 3 extensions. */ | |
1185 | case DW_OP_push_object_address: | |
1186 | printf ("DW_OP_push_object_address"); | |
1187 | break; | |
1188 | case DW_OP_call2: | |
1189 | /* XXX: Strictly speaking for 64-bit DWARF3 files | |
1190 | this ought to be an 8-byte wide computation. */ | |
0c588247 | 1191 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
467c65bc | 1192 | printf ("DW_OP_call2: <0x%s>", |
0c588247 | 1193 | dwarf_vmatoa ("x", svalue + cu_offset)); |
19e6b90e L |
1194 | break; |
1195 | case DW_OP_call4: | |
1196 | /* XXX: Strictly speaking for 64-bit DWARF3 files | |
1197 | this ought to be an 8-byte wide computation. */ | |
0c588247 | 1198 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
467c65bc | 1199 | printf ("DW_OP_call4: <0x%s>", |
0c588247 | 1200 | dwarf_vmatoa ("x", svalue + cu_offset)); |
19e6b90e L |
1201 | break; |
1202 | case DW_OP_call_ref: | |
e2a0d921 NC |
1203 | /* XXX: Strictly speaking for 64-bit DWARF3 files |
1204 | this ought to be an 8-byte wide computation. */ | |
b7807392 JJ |
1205 | if (dwarf_version == -1) |
1206 | { | |
1207 | printf (_("(DW_OP_call_ref in frame info)")); | |
1208 | /* No way to tell where the next op is, so just bail. */ | |
1209 | return need_frame_base; | |
1210 | } | |
1211 | if (dwarf_version == 2) | |
1212 | { | |
0c588247 | 1213 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
b7807392 JJ |
1214 | } |
1215 | else | |
1216 | { | |
0c588247 | 1217 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
b7807392 | 1218 | } |
0c588247 | 1219 | printf ("DW_OP_call_ref: <0x%s>", dwarf_vmatoa ("x", uvalue)); |
19e6b90e | 1220 | break; |
a87b0a59 NS |
1221 | case DW_OP_form_tls_address: |
1222 | printf ("DW_OP_form_tls_address"); | |
1223 | break; | |
e2a0d921 NC |
1224 | case DW_OP_call_frame_cfa: |
1225 | printf ("DW_OP_call_frame_cfa"); | |
1226 | break; | |
1227 | case DW_OP_bit_piece: | |
1228 | printf ("DW_OP_bit_piece: "); | |
9cf03b7e | 1229 | printf (_("size: %s "), |
f6f0e17b | 1230 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
e2a0d921 | 1231 | data += bytes_read; |
9cf03b7e | 1232 | printf (_("offset: %s "), |
f6f0e17b | 1233 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
e2a0d921 NC |
1234 | data += bytes_read; |
1235 | break; | |
19e6b90e | 1236 | |
3244e8f5 JJ |
1237 | /* DWARF 4 extensions. */ |
1238 | case DW_OP_stack_value: | |
1239 | printf ("DW_OP_stack_value"); | |
1240 | break; | |
1241 | ||
1242 | case DW_OP_implicit_value: | |
1243 | printf ("DW_OP_implicit_value"); | |
f6f0e17b | 1244 | uvalue = read_uleb128 (data, &bytes_read, end); |
3244e8f5 | 1245 | data += bytes_read; |
6937bb54 | 1246 | data = display_block (data, uvalue, end); |
3244e8f5 JJ |
1247 | break; |
1248 | ||
19e6b90e L |
1249 | /* GNU extensions. */ |
1250 | case DW_OP_GNU_push_tls_address: | |
9cf03b7e | 1251 | printf (_("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown")); |
e2a0d921 NC |
1252 | break; |
1253 | case DW_OP_GNU_uninit: | |
1254 | printf ("DW_OP_GNU_uninit"); | |
1255 | /* FIXME: Is there data associated with this OP ? */ | |
1256 | break; | |
f1c4cc75 RH |
1257 | case DW_OP_GNU_encoded_addr: |
1258 | { | |
6937bb54 | 1259 | int encoding = 0; |
f1c4cc75 | 1260 | dwarf_vma addr; |
467c65bc | 1261 | |
6937bb54 NC |
1262 | if (data < end) |
1263 | encoding = *data++; | |
041830e0 | 1264 | addr = get_encoded_value (&data, encoding, section, end); |
f1c4cc75 RH |
1265 | |
1266 | printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding); | |
1267 | print_dwarf_vma (addr, pointer_size); | |
1268 | } | |
1269 | break; | |
b7807392 JJ |
1270 | case DW_OP_GNU_implicit_pointer: |
1271 | /* XXX: Strictly speaking for 64-bit DWARF3 files | |
1272 | this ought to be an 8-byte wide computation. */ | |
1273 | if (dwarf_version == -1) | |
1274 | { | |
1275 | printf (_("(DW_OP_GNU_implicit_pointer in frame info)")); | |
1276 | /* No way to tell where the next op is, so just bail. */ | |
1277 | return need_frame_base; | |
1278 | } | |
1279 | if (dwarf_version == 2) | |
1280 | { | |
0c588247 | 1281 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
b7807392 JJ |
1282 | } |
1283 | else | |
1284 | { | |
0c588247 | 1285 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
b7807392 | 1286 | } |
0c588247 NC |
1287 | printf ("DW_OP_GNU_implicit_pointer: <0x%s> %s", |
1288 | dwarf_vmatoa ("x", uvalue), | |
1289 | dwarf_vmatoa ("d", read_sleb128 (data, | |
1290 | &bytes_read, end))); | |
1291 | data += bytes_read; | |
b7807392 | 1292 | break; |
0892011d | 1293 | case DW_OP_GNU_entry_value: |
f6f0e17b | 1294 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1295 | data += bytes_read; |
1296 | printf ("DW_OP_GNU_entry_value: ("); | |
1297 | if (decode_location_expression (data, pointer_size, offset_size, | |
1298 | dwarf_version, uvalue, | |
1299 | cu_offset, section)) | |
1300 | need_frame_base = 1; | |
1301 | putchar (')'); | |
1302 | data += uvalue; | |
6937bb54 NC |
1303 | if (data > end) |
1304 | data = end; | |
0892011d JJ |
1305 | break; |
1306 | case DW_OP_GNU_const_type: | |
f6f0e17b | 1307 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1308 | data += bytes_read; |
1309 | printf ("DW_OP_GNU_const_type: <0x%s> ", | |
1310 | dwarf_vmatoa ("x", cu_offset + uvalue)); | |
0c588247 | 1311 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
6937bb54 | 1312 | data = display_block (data, uvalue, end); |
0892011d JJ |
1313 | break; |
1314 | case DW_OP_GNU_regval_type: | |
f6f0e17b | 1315 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1316 | data += bytes_read; |
1317 | printf ("DW_OP_GNU_regval_type: %s (%s)", | |
1318 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); | |
f6f0e17b | 1319 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1320 | data += bytes_read; |
1321 | printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); | |
1322 | break; | |
1323 | case DW_OP_GNU_deref_type: | |
0c588247 NC |
1324 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1325 | printf ("DW_OP_GNU_deref_type: %ld", (long) uvalue); | |
f6f0e17b | 1326 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1327 | data += bytes_read; |
1328 | printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); | |
1329 | break; | |
1330 | case DW_OP_GNU_convert: | |
f6f0e17b | 1331 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1332 | data += bytes_read; |
1333 | printf ("DW_OP_GNU_convert <0x%s>", | |
f8b999f9 | 1334 | dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0)); |
0892011d JJ |
1335 | break; |
1336 | case DW_OP_GNU_reinterpret: | |
f6f0e17b | 1337 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1338 | data += bytes_read; |
1339 | printf ("DW_OP_GNU_reinterpret <0x%s>", | |
f8b999f9 JJ |
1340 | dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0)); |
1341 | break; | |
1342 | case DW_OP_GNU_parameter_ref: | |
0c588247 | 1343 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
f8b999f9 | 1344 | printf ("DW_OP_GNU_parameter_ref: <0x%s>", |
0c588247 | 1345 | dwarf_vmatoa ("x", cu_offset + uvalue)); |
0892011d | 1346 | break; |
4723351a | 1347 | case DW_OP_GNU_addr_index: |
f6f0e17b | 1348 | uvalue = read_uleb128 (data, &bytes_read, end); |
4723351a CC |
1349 | data += bytes_read; |
1350 | printf ("DW_OP_GNU_addr_index <0x%s>", dwarf_vmatoa ("x", uvalue)); | |
1351 | break; | |
aae628c1 | 1352 | case DW_OP_GNU_const_index: |
f6f0e17b | 1353 | uvalue = read_uleb128 (data, &bytes_read, end); |
aae628c1 CC |
1354 | data += bytes_read; |
1355 | printf ("DW_OP_GNU_const_index <0x%s>", dwarf_vmatoa ("x", uvalue)); | |
1356 | break; | |
e2a0d921 NC |
1357 | |
1358 | /* HP extensions. */ | |
1359 | case DW_OP_HP_is_value: | |
1360 | printf ("DW_OP_HP_is_value"); | |
1361 | /* FIXME: Is there data associated with this OP ? */ | |
1362 | break; | |
1363 | case DW_OP_HP_fltconst4: | |
1364 | printf ("DW_OP_HP_fltconst4"); | |
1365 | /* FIXME: Is there data associated with this OP ? */ | |
1366 | break; | |
1367 | case DW_OP_HP_fltconst8: | |
1368 | printf ("DW_OP_HP_fltconst8"); | |
1369 | /* FIXME: Is there data associated with this OP ? */ | |
1370 | break; | |
1371 | case DW_OP_HP_mod_range: | |
1372 | printf ("DW_OP_HP_mod_range"); | |
1373 | /* FIXME: Is there data associated with this OP ? */ | |
1374 | break; | |
1375 | case DW_OP_HP_unmod_range: | |
1376 | printf ("DW_OP_HP_unmod_range"); | |
1377 | /* FIXME: Is there data associated with this OP ? */ | |
1378 | break; | |
1379 | case DW_OP_HP_tls: | |
1380 | printf ("DW_OP_HP_tls"); | |
1381 | /* FIXME: Is there data associated with this OP ? */ | |
19e6b90e L |
1382 | break; |
1383 | ||
35d60fe4 NC |
1384 | /* PGI (STMicroelectronics) extensions. */ |
1385 | case DW_OP_PGI_omp_thread_num: | |
1386 | /* Pushes the thread number for the current thread as it would be | |
1387 | returned by the standard OpenMP library function: | |
1388 | omp_get_thread_num(). The "current thread" is the thread for | |
1389 | which the expression is being evaluated. */ | |
1390 | printf ("DW_OP_PGI_omp_thread_num"); | |
1391 | break; | |
1392 | ||
19e6b90e L |
1393 | default: |
1394 | if (op >= DW_OP_lo_user | |
1395 | && op <= DW_OP_hi_user) | |
1396 | printf (_("(User defined location op)")); | |
1397 | else | |
1398 | printf (_("(Unknown location op)")); | |
1399 | /* No way to tell where the next op is, so just bail. */ | |
1400 | return need_frame_base; | |
1401 | } | |
1402 | ||
1403 | /* Separate the ops. */ | |
1404 | if (data < end) | |
1405 | printf ("; "); | |
1406 | } | |
1407 | ||
1408 | return need_frame_base; | |
1409 | } | |
1410 | ||
341f9135 CC |
1411 | /* Find the CU or TU set corresponding to the given CU_OFFSET. |
1412 | This is used for DWARF package files. */ | |
1413 | ||
1414 | static struct cu_tu_set * | |
1415 | find_cu_tu_set_v2 (dwarf_vma cu_offset, int do_types) | |
1416 | { | |
1417 | struct cu_tu_set *p; | |
1418 | unsigned int nsets; | |
1419 | unsigned int dw_sect; | |
1420 | ||
1421 | if (do_types) | |
1422 | { | |
1423 | p = tu_sets; | |
1424 | nsets = tu_count; | |
1425 | dw_sect = DW_SECT_TYPES; | |
1426 | } | |
1427 | else | |
1428 | { | |
1429 | p = cu_sets; | |
1430 | nsets = cu_count; | |
1431 | dw_sect = DW_SECT_INFO; | |
1432 | } | |
1433 | while (nsets > 0) | |
1434 | { | |
1435 | if (p->section_offsets [dw_sect] == cu_offset) | |
1436 | return p; | |
1437 | p++; | |
1438 | nsets--; | |
1439 | } | |
1440 | return NULL; | |
1441 | } | |
1442 | ||
a69c4772 NC |
1443 | /* Add INC to HIGH_BITS:LOW_BITS. */ |
1444 | static void | |
1445 | add64 (dwarf_vma * high_bits, dwarf_vma * low_bits, dwarf_vma inc) | |
1446 | { | |
1447 | dwarf_vma tmp = * low_bits; | |
1448 | ||
1449 | tmp += inc; | |
1450 | ||
1451 | /* FIXME: There is probably a better way of handling this: | |
1452 | ||
1453 | We need to cope with dwarf_vma being a 32-bit or 64-bit | |
1454 | type. Plus regardless of its size LOW_BITS is meant to | |
1455 | only hold 32-bits, so if there is overflow or wrap around | |
1456 | we must propagate into HIGH_BITS. */ | |
1457 | if (tmp < * low_bits) | |
1458 | { | |
1459 | ++ * high_bits; | |
1460 | } | |
1461 | else if (sizeof (tmp) > 8 | |
1462 | && (tmp >> 31) > 1) | |
1463 | { | |
1464 | ++ * high_bits; | |
1465 | tmp &= 0xFFFFFFFF; | |
1466 | } | |
1467 | ||
1468 | * low_bits = tmp; | |
1469 | } | |
1470 | ||
19e6b90e | 1471 | static unsigned char * |
6e3d6dc1 NC |
1472 | read_and_display_attr_value (unsigned long attribute, |
1473 | unsigned long form, | |
ec4d4525 | 1474 | unsigned char * data, |
f6f0e17b | 1475 | unsigned char * end, |
467c65bc NC |
1476 | dwarf_vma cu_offset, |
1477 | dwarf_vma pointer_size, | |
1478 | dwarf_vma offset_size, | |
6e3d6dc1 NC |
1479 | int dwarf_version, |
1480 | debug_info * debug_info_p, | |
1481 | int do_loc, | |
341f9135 CC |
1482 | struct dwarf_section * section, |
1483 | struct cu_tu_set * this_set) | |
19e6b90e | 1484 | { |
467c65bc | 1485 | dwarf_vma uvalue = 0; |
19e6b90e | 1486 | unsigned char *block_start = NULL; |
6e3d6dc1 | 1487 | unsigned char * orig_data = data; |
19e6b90e L |
1488 | unsigned int bytes_read; |
1489 | ||
f41e4712 | 1490 | if (data > end || (data == end && form != DW_FORM_flag_present)) |
0c588247 | 1491 | { |
f41e4712 | 1492 | warn (_("Corrupt attribute\n")); |
0c588247 NC |
1493 | return data; |
1494 | } | |
1495 | ||
19e6b90e L |
1496 | switch (form) |
1497 | { | |
1498 | default: | |
1499 | break; | |
1500 | ||
1501 | case DW_FORM_ref_addr: | |
1502 | if (dwarf_version == 2) | |
0c588247 | 1503 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
932fd279 | 1504 | else if (dwarf_version == 3 || dwarf_version == 4) |
0c588247 | 1505 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
19e6b90e | 1506 | else |
467c65bc NC |
1507 | error (_("Internal error: DWARF version is not 2, 3 or 4.\n")); |
1508 | ||
19e6b90e L |
1509 | break; |
1510 | ||
1511 | case DW_FORM_addr: | |
0c588247 | 1512 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
19e6b90e L |
1513 | break; |
1514 | ||
1515 | case DW_FORM_strp: | |
932fd279 | 1516 | case DW_FORM_sec_offset: |
a081f3cd JJ |
1517 | case DW_FORM_GNU_ref_alt: |
1518 | case DW_FORM_GNU_strp_alt: | |
0c588247 | 1519 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
19e6b90e L |
1520 | break; |
1521 | ||
932fd279 JJ |
1522 | case DW_FORM_flag_present: |
1523 | uvalue = 1; | |
1524 | break; | |
1525 | ||
19e6b90e L |
1526 | case DW_FORM_ref1: |
1527 | case DW_FORM_flag: | |
1528 | case DW_FORM_data1: | |
0c588247 | 1529 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
19e6b90e L |
1530 | break; |
1531 | ||
1532 | case DW_FORM_ref2: | |
1533 | case DW_FORM_data2: | |
0c588247 | 1534 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
19e6b90e L |
1535 | break; |
1536 | ||
1537 | case DW_FORM_ref4: | |
1538 | case DW_FORM_data4: | |
0c588247 | 1539 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
19e6b90e L |
1540 | break; |
1541 | ||
1542 | case DW_FORM_sdata: | |
f6f0e17b | 1543 | uvalue = read_sleb128 (data, & bytes_read, end); |
19e6b90e L |
1544 | data += bytes_read; |
1545 | break; | |
1546 | ||
4723351a | 1547 | case DW_FORM_GNU_str_index: |
f6f0e17b | 1548 | uvalue = read_uleb128 (data, & bytes_read, end); |
4723351a CC |
1549 | data += bytes_read; |
1550 | break; | |
1551 | ||
19e6b90e L |
1552 | case DW_FORM_ref_udata: |
1553 | case DW_FORM_udata: | |
f6f0e17b | 1554 | uvalue = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
1555 | data += bytes_read; |
1556 | break; | |
1557 | ||
1558 | case DW_FORM_indirect: | |
f6f0e17b | 1559 | form = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
1560 | data += bytes_read; |
1561 | if (!do_loc) | |
1562 | printf (" %s", get_FORM_name (form)); | |
f6f0e17b | 1563 | return read_and_display_attr_value (attribute, form, data, end, |
19e6b90e L |
1564 | cu_offset, pointer_size, |
1565 | offset_size, dwarf_version, | |
ec4d4525 | 1566 | debug_info_p, do_loc, |
341f9135 | 1567 | section, this_set); |
4723351a | 1568 | case DW_FORM_GNU_addr_index: |
f6f0e17b | 1569 | uvalue = read_uleb128 (data, & bytes_read, end); |
4723351a CC |
1570 | data += bytes_read; |
1571 | break; | |
19e6b90e L |
1572 | } |
1573 | ||
1574 | switch (form) | |
1575 | { | |
1576 | case DW_FORM_ref_addr: | |
1577 | if (!do_loc) | |
467c65bc | 1578 | printf (" <0x%s>", dwarf_vmatoa ("x",uvalue)); |
19e6b90e L |
1579 | break; |
1580 | ||
a081f3cd JJ |
1581 | case DW_FORM_GNU_ref_alt: |
1582 | if (!do_loc) | |
1583 | printf (" <alt 0x%s>", dwarf_vmatoa ("x",uvalue)); | |
1584 | break; | |
1585 | ||
19e6b90e L |
1586 | case DW_FORM_ref1: |
1587 | case DW_FORM_ref2: | |
1588 | case DW_FORM_ref4: | |
1589 | case DW_FORM_ref_udata: | |
1590 | if (!do_loc) | |
467c65bc | 1591 | printf (" <0x%s>", dwarf_vmatoa ("x", uvalue + cu_offset)); |
19e6b90e L |
1592 | break; |
1593 | ||
1594 | case DW_FORM_data4: | |
1595 | case DW_FORM_addr: | |
932fd279 | 1596 | case DW_FORM_sec_offset: |
19e6b90e | 1597 | if (!do_loc) |
467c65bc | 1598 | printf (" 0x%s", dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
1599 | break; |
1600 | ||
932fd279 | 1601 | case DW_FORM_flag_present: |
19e6b90e L |
1602 | case DW_FORM_flag: |
1603 | case DW_FORM_data1: | |
1604 | case DW_FORM_data2: | |
1605 | case DW_FORM_sdata: | |
1606 | case DW_FORM_udata: | |
1607 | if (!do_loc) | |
467c65bc | 1608 | printf (" %s", dwarf_vmatoa ("d", uvalue)); |
19e6b90e L |
1609 | break; |
1610 | ||
1611 | case DW_FORM_ref8: | |
1612 | case DW_FORM_data8: | |
2bc8690c | 1613 | if (!do_loc) |
19e6b90e | 1614 | { |
74bc6052 | 1615 | dwarf_vma high_bits; |
a69c4772 | 1616 | dwarf_vma utmp; |
74bc6052 CC |
1617 | char buf[64]; |
1618 | ||
0c588247 | 1619 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); |
a69c4772 NC |
1620 | utmp = uvalue; |
1621 | if (form == DW_FORM_ref8) | |
1622 | add64 (& high_bits, & utmp, cu_offset); | |
74bc6052 | 1623 | printf (" 0x%s", |
a69c4772 | 1624 | dwarf_vmatoa64 (high_bits, utmp, buf, sizeof (buf))); |
19e6b90e | 1625 | } |
0c588247 | 1626 | |
19e6b90e L |
1627 | if ((do_loc || do_debug_loc || do_debug_ranges) |
1628 | && num_debug_info_entries == 0) | |
1629 | { | |
1630 | if (sizeof (uvalue) == 8) | |
0c588247 | 1631 | SAFE_BYTE_GET (uvalue, data, 8, end); |
19e6b90e | 1632 | else |
467c65bc | 1633 | error (_("DW_FORM_data8 is unsupported when sizeof (dwarf_vma) != 8\n")); |
19e6b90e | 1634 | } |
0c588247 | 1635 | |
19e6b90e L |
1636 | data += 8; |
1637 | break; | |
1638 | ||
1639 | case DW_FORM_string: | |
1640 | if (!do_loc) | |
2bdc3eca | 1641 | printf (" %.*s", (int) (end - data), data); |
0c588247 | 1642 | data += strnlen ((char *) data, end - data) + 1; |
19e6b90e L |
1643 | break; |
1644 | ||
1645 | case DW_FORM_block: | |
932fd279 | 1646 | case DW_FORM_exprloc: |
f6f0e17b | 1647 | uvalue = read_uleb128 (data, & bytes_read, end); |
19e6b90e | 1648 | block_start = data + bytes_read; |
f41e4712 NC |
1649 | /* PR 17512: file: 008-103549-0.001:0.1. */ |
1650 | if (block_start + uvalue > end) | |
1651 | { | |
1652 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
1653 | uvalue = end - block_start; | |
1654 | } | |
19e6b90e L |
1655 | if (do_loc) |
1656 | data = block_start + uvalue; | |
1657 | else | |
0c588247 | 1658 | data = display_block (block_start, uvalue, end); |
19e6b90e L |
1659 | break; |
1660 | ||
1661 | case DW_FORM_block1: | |
0c588247 | 1662 | SAFE_BYTE_GET (uvalue, data, 1, end); |
19e6b90e | 1663 | block_start = data + 1; |
f41e4712 NC |
1664 | if (block_start + uvalue > end) |
1665 | { | |
1666 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
1667 | uvalue = end - block_start; | |
1668 | } | |
19e6b90e L |
1669 | if (do_loc) |
1670 | data = block_start + uvalue; | |
1671 | else | |
0c588247 | 1672 | data = display_block (block_start, uvalue, end); |
19e6b90e L |
1673 | break; |
1674 | ||
1675 | case DW_FORM_block2: | |
0c588247 | 1676 | SAFE_BYTE_GET (uvalue, data, 2, end); |
19e6b90e | 1677 | block_start = data + 2; |
f41e4712 NC |
1678 | if (block_start + uvalue > end) |
1679 | { | |
1680 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
1681 | uvalue = end - block_start; | |
1682 | } | |
19e6b90e L |
1683 | if (do_loc) |
1684 | data = block_start + uvalue; | |
1685 | else | |
0c588247 | 1686 | data = display_block (block_start, uvalue, end); |
19e6b90e L |
1687 | break; |
1688 | ||
1689 | case DW_FORM_block4: | |
0c588247 | 1690 | SAFE_BYTE_GET (uvalue, data, 4, end); |
19e6b90e | 1691 | block_start = data + 4; |
f41e4712 NC |
1692 | if (block_start + uvalue > end) |
1693 | { | |
1694 | warn (_("Corrupt attribute block length: %lx\n"), (long) uvalue); | |
1695 | uvalue = end - block_start; | |
1696 | } | |
19e6b90e L |
1697 | if (do_loc) |
1698 | data = block_start + uvalue; | |
1699 | else | |
0c588247 | 1700 | data = display_block (block_start, uvalue, end); |
19e6b90e L |
1701 | break; |
1702 | ||
1703 | case DW_FORM_strp: | |
1704 | if (!do_loc) | |
47704ddf KT |
1705 | printf (_(" (indirect string, offset: 0x%s): %s"), |
1706 | dwarf_vmatoa ("x", uvalue), | |
1707 | fetch_indirect_string (uvalue)); | |
19e6b90e L |
1708 | break; |
1709 | ||
4723351a CC |
1710 | case DW_FORM_GNU_str_index: |
1711 | if (!do_loc) | |
1712 | { | |
1713 | const char *suffix = strrchr (section->name, '.'); | |
1714 | int dwo = (suffix && strcmp (suffix, ".dwo") == 0) ? 1 : 0; | |
1715 | ||
1716 | printf (_(" (indexed string: 0x%s): %s"), | |
1717 | dwarf_vmatoa ("x", uvalue), | |
341f9135 | 1718 | fetch_indexed_string (uvalue, this_set, offset_size, dwo)); |
4723351a CC |
1719 | } |
1720 | break; | |
1721 | ||
a081f3cd JJ |
1722 | case DW_FORM_GNU_strp_alt: |
1723 | if (!do_loc) | |
1724 | printf (_(" (alt indirect string, offset: 0x%s)"), | |
1725 | dwarf_vmatoa ("x", uvalue)); | |
1726 | break; | |
1727 | ||
19e6b90e L |
1728 | case DW_FORM_indirect: |
1729 | /* Handled above. */ | |
1730 | break; | |
1731 | ||
2b6f5997 CC |
1732 | case DW_FORM_ref_sig8: |
1733 | if (!do_loc) | |
1734 | { | |
74bc6052 CC |
1735 | dwarf_vma high_bits; |
1736 | char buf[64]; | |
1737 | ||
0c588247 | 1738 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); |
74bc6052 CC |
1739 | printf (" signature: 0x%s", |
1740 | dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf))); | |
2b6f5997 | 1741 | } |
74bc6052 | 1742 | data += 8; |
2b6f5997 CC |
1743 | break; |
1744 | ||
4723351a CC |
1745 | case DW_FORM_GNU_addr_index: |
1746 | if (!do_loc) | |
1747 | printf (_(" (addr_index: 0x%s): %s"), | |
1748 | dwarf_vmatoa ("x", uvalue), | |
1749 | fetch_indexed_value (uvalue * pointer_size, pointer_size)); | |
1750 | break; | |
1751 | ||
19e6b90e L |
1752 | default: |
1753 | warn (_("Unrecognized form: %lu\n"), form); | |
1754 | break; | |
1755 | } | |
1756 | ||
19e6b90e | 1757 | if ((do_loc || do_debug_loc || do_debug_ranges) |
fd2f0033 TT |
1758 | && num_debug_info_entries == 0 |
1759 | && debug_info_p != NULL) | |
19e6b90e L |
1760 | { |
1761 | switch (attribute) | |
1762 | { | |
1763 | case DW_AT_frame_base: | |
1764 | have_frame_base = 1; | |
1765 | case DW_AT_location: | |
e2a0d921 NC |
1766 | case DW_AT_string_length: |
1767 | case DW_AT_return_addr: | |
19e6b90e L |
1768 | case DW_AT_data_member_location: |
1769 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
1770 | case DW_AT_segment: |
1771 | case DW_AT_static_link: | |
1772 | case DW_AT_use_location: | |
629e7ca8 JJ |
1773 | case DW_AT_GNU_call_site_value: |
1774 | case DW_AT_GNU_call_site_data_value: | |
1775 | case DW_AT_GNU_call_site_target: | |
1776 | case DW_AT_GNU_call_site_target_clobbered: | |
212b6063 JK |
1777 | if ((dwarf_version < 4 |
1778 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) | |
932fd279 | 1779 | || form == DW_FORM_sec_offset) |
19e6b90e L |
1780 | { |
1781 | /* Process location list. */ | |
91d6fa6a | 1782 | unsigned int lmax = debug_info_p->max_loc_offsets; |
19e6b90e L |
1783 | unsigned int num = debug_info_p->num_loc_offsets; |
1784 | ||
91d6fa6a | 1785 | if (lmax == 0 || num >= lmax) |
19e6b90e | 1786 | { |
91d6fa6a | 1787 | lmax += 1024; |
467c65bc | 1788 | debug_info_p->loc_offsets = (dwarf_vma *) |
3f5e193b | 1789 | xcrealloc (debug_info_p->loc_offsets, |
91d6fa6a | 1790 | lmax, sizeof (*debug_info_p->loc_offsets)); |
3f5e193b NC |
1791 | debug_info_p->have_frame_base = (int *) |
1792 | xcrealloc (debug_info_p->have_frame_base, | |
91d6fa6a NC |
1793 | lmax, sizeof (*debug_info_p->have_frame_base)); |
1794 | debug_info_p->max_loc_offsets = lmax; | |
19e6b90e | 1795 | } |
341f9135 CC |
1796 | if (this_set != NULL) |
1797 | uvalue += this_set->section_offsets [DW_SECT_LOC]; | |
19e6b90e L |
1798 | debug_info_p->loc_offsets [num] = uvalue; |
1799 | debug_info_p->have_frame_base [num] = have_frame_base; | |
1800 | debug_info_p->num_loc_offsets++; | |
1801 | } | |
1802 | break; | |
e2a0d921 | 1803 | |
19e6b90e L |
1804 | case DW_AT_low_pc: |
1805 | if (need_base_address) | |
1806 | debug_info_p->base_address = uvalue; | |
1807 | break; | |
1808 | ||
4723351a CC |
1809 | case DW_AT_GNU_addr_base: |
1810 | debug_info_p->addr_base = uvalue; | |
1811 | break; | |
1812 | ||
1813 | case DW_AT_GNU_ranges_base: | |
1814 | debug_info_p->ranges_base = uvalue; | |
1815 | break; | |
1816 | ||
19e6b90e | 1817 | case DW_AT_ranges: |
212b6063 JK |
1818 | if ((dwarf_version < 4 |
1819 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) | |
932fd279 | 1820 | || form == DW_FORM_sec_offset) |
19e6b90e L |
1821 | { |
1822 | /* Process range list. */ | |
91d6fa6a | 1823 | unsigned int lmax = debug_info_p->max_range_lists; |
19e6b90e L |
1824 | unsigned int num = debug_info_p->num_range_lists; |
1825 | ||
91d6fa6a | 1826 | if (lmax == 0 || num >= lmax) |
19e6b90e | 1827 | { |
91d6fa6a | 1828 | lmax += 1024; |
467c65bc | 1829 | debug_info_p->range_lists = (dwarf_vma *) |
3f5e193b | 1830 | xcrealloc (debug_info_p->range_lists, |
91d6fa6a NC |
1831 | lmax, sizeof (*debug_info_p->range_lists)); |
1832 | debug_info_p->max_range_lists = lmax; | |
19e6b90e L |
1833 | } |
1834 | debug_info_p->range_lists [num] = uvalue; | |
1835 | debug_info_p->num_range_lists++; | |
1836 | } | |
1837 | break; | |
1838 | ||
1839 | default: | |
1840 | break; | |
1841 | } | |
1842 | } | |
1843 | ||
4ccf1e31 | 1844 | if (do_loc || attribute == 0) |
19e6b90e L |
1845 | return data; |
1846 | ||
ec4d4525 | 1847 | /* For some attributes we can display further information. */ |
19e6b90e L |
1848 | switch (attribute) |
1849 | { | |
1850 | case DW_AT_inline: | |
2e9e81a8 | 1851 | printf ("\t"); |
19e6b90e L |
1852 | switch (uvalue) |
1853 | { | |
1854 | case DW_INL_not_inlined: | |
1855 | printf (_("(not inlined)")); | |
1856 | break; | |
1857 | case DW_INL_inlined: | |
1858 | printf (_("(inlined)")); | |
1859 | break; | |
1860 | case DW_INL_declared_not_inlined: | |
1861 | printf (_("(declared as inline but ignored)")); | |
1862 | break; | |
1863 | case DW_INL_declared_inlined: | |
1864 | printf (_("(declared as inline and inlined)")); | |
1865 | break; | |
1866 | default: | |
47704ddf KT |
1867 | printf (_(" (Unknown inline attribute value: %s)"), |
1868 | dwarf_vmatoa ("x", uvalue)); | |
19e6b90e L |
1869 | break; |
1870 | } | |
1871 | break; | |
1872 | ||
1873 | case DW_AT_language: | |
2e9e81a8 | 1874 | printf ("\t"); |
19e6b90e L |
1875 | switch (uvalue) |
1876 | { | |
4b78141a | 1877 | /* Ordered by the numeric value of these constants. */ |
19e6b90e | 1878 | case DW_LANG_C89: printf ("(ANSI C)"); break; |
4b78141a NC |
1879 | case DW_LANG_C: printf ("(non-ANSI C)"); break; |
1880 | case DW_LANG_Ada83: printf ("(Ada)"); break; | |
19e6b90e | 1881 | case DW_LANG_C_plus_plus: printf ("(C++)"); break; |
4b78141a NC |
1882 | case DW_LANG_Cobol74: printf ("(Cobol 74)"); break; |
1883 | case DW_LANG_Cobol85: printf ("(Cobol 85)"); break; | |
19e6b90e L |
1884 | case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break; |
1885 | case DW_LANG_Fortran90: printf ("(Fortran 90)"); break; | |
19e6b90e | 1886 | case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break; |
4b78141a | 1887 | case DW_LANG_Modula2: printf ("(Modula 2)"); break; |
19e6b90e | 1888 | /* DWARF 2.1 values. */ |
4b78141a | 1889 | case DW_LANG_Java: printf ("(Java)"); break; |
19e6b90e L |
1890 | case DW_LANG_C99: printf ("(ANSI C99)"); break; |
1891 | case DW_LANG_Ada95: printf ("(ADA 95)"); break; | |
1892 | case DW_LANG_Fortran95: printf ("(Fortran 95)"); break; | |
4b78141a NC |
1893 | /* DWARF 3 values. */ |
1894 | case DW_LANG_PLI: printf ("(PLI)"); break; | |
1895 | case DW_LANG_ObjC: printf ("(Objective C)"); break; | |
1896 | case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break; | |
1897 | case DW_LANG_UPC: printf ("(Unified Parallel C)"); break; | |
1898 | case DW_LANG_D: printf ("(D)"); break; | |
2b6f5997 CC |
1899 | /* DWARF 4 values. */ |
1900 | case DW_LANG_Python: printf ("(Python)"); break; | |
3362e0d9 ILT |
1901 | /* DWARF 5 values. */ |
1902 | case DW_LANG_Go: printf ("(Go)"); break; | |
19e6b90e L |
1903 | /* MIPS extension. */ |
1904 | case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break; | |
1905 | /* UPC extension. */ | |
1906 | case DW_LANG_Upc: printf ("(Unified Parallel C)"); break; | |
1907 | default: | |
4b78141a | 1908 | if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user) |
9cf03b7e | 1909 | printf (_("(implementation defined: %s)"), |
467c65bc | 1910 | dwarf_vmatoa ("x", uvalue)); |
4b78141a | 1911 | else |
9cf03b7e | 1912 | printf (_("(Unknown: %s)"), dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
1913 | break; |
1914 | } | |
1915 | break; | |
1916 | ||
1917 | case DW_AT_encoding: | |
2e9e81a8 | 1918 | printf ("\t"); |
19e6b90e L |
1919 | switch (uvalue) |
1920 | { | |
1921 | case DW_ATE_void: printf ("(void)"); break; | |
1922 | case DW_ATE_address: printf ("(machine address)"); break; | |
1923 | case DW_ATE_boolean: printf ("(boolean)"); break; | |
1924 | case DW_ATE_complex_float: printf ("(complex float)"); break; | |
1925 | case DW_ATE_float: printf ("(float)"); break; | |
1926 | case DW_ATE_signed: printf ("(signed)"); break; | |
1927 | case DW_ATE_signed_char: printf ("(signed char)"); break; | |
1928 | case DW_ATE_unsigned: printf ("(unsigned)"); break; | |
1929 | case DW_ATE_unsigned_char: printf ("(unsigned char)"); break; | |
e2a0d921 | 1930 | /* DWARF 2.1 values: */ |
19e6b90e L |
1931 | case DW_ATE_imaginary_float: printf ("(imaginary float)"); break; |
1932 | case DW_ATE_decimal_float: printf ("(decimal float)"); break; | |
e2a0d921 NC |
1933 | /* DWARF 3 values: */ |
1934 | case DW_ATE_packed_decimal: printf ("(packed_decimal)"); break; | |
1935 | case DW_ATE_numeric_string: printf ("(numeric_string)"); break; | |
1936 | case DW_ATE_edited: printf ("(edited)"); break; | |
1937 | case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break; | |
1938 | case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break; | |
1939 | /* HP extensions: */ | |
1940 | case DW_ATE_HP_float80: printf ("(HP_float80)"); break; | |
1941 | case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break; | |
1942 | case DW_ATE_HP_float128: printf ("(HP_float128)"); break; | |
1943 | case DW_ATE_HP_complex_float128:printf ("(HP_complex_float128)"); break; | |
1944 | case DW_ATE_HP_floathpintel: printf ("(HP_floathpintel)"); break; | |
1945 | case DW_ATE_HP_imaginary_float80: printf ("(HP_imaginary_float80)"); break; | |
1946 | case DW_ATE_HP_imaginary_float128: printf ("(HP_imaginary_float128)"); break; | |
1947 | ||
19e6b90e L |
1948 | default: |
1949 | if (uvalue >= DW_ATE_lo_user | |
1950 | && uvalue <= DW_ATE_hi_user) | |
9cf03b7e | 1951 | printf (_("(user defined type)")); |
19e6b90e | 1952 | else |
9cf03b7e | 1953 | printf (_("(unknown type)")); |
19e6b90e L |
1954 | break; |
1955 | } | |
1956 | break; | |
1957 | ||
1958 | case DW_AT_accessibility: | |
2e9e81a8 | 1959 | printf ("\t"); |
19e6b90e L |
1960 | switch (uvalue) |
1961 | { | |
1962 | case DW_ACCESS_public: printf ("(public)"); break; | |
1963 | case DW_ACCESS_protected: printf ("(protected)"); break; | |
1964 | case DW_ACCESS_private: printf ("(private)"); break; | |
1965 | default: | |
9cf03b7e | 1966 | printf (_("(unknown accessibility)")); |
19e6b90e L |
1967 | break; |
1968 | } | |
1969 | break; | |
1970 | ||
1971 | case DW_AT_visibility: | |
2e9e81a8 | 1972 | printf ("\t"); |
19e6b90e L |
1973 | switch (uvalue) |
1974 | { | |
1975 | case DW_VIS_local: printf ("(local)"); break; | |
1976 | case DW_VIS_exported: printf ("(exported)"); break; | |
1977 | case DW_VIS_qualified: printf ("(qualified)"); break; | |
9cf03b7e | 1978 | default: printf (_("(unknown visibility)")); break; |
19e6b90e L |
1979 | } |
1980 | break; | |
1981 | ||
1982 | case DW_AT_virtuality: | |
2e9e81a8 | 1983 | printf ("\t"); |
19e6b90e L |
1984 | switch (uvalue) |
1985 | { | |
1986 | case DW_VIRTUALITY_none: printf ("(none)"); break; | |
1987 | case DW_VIRTUALITY_virtual: printf ("(virtual)"); break; | |
1988 | case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break; | |
9cf03b7e | 1989 | default: printf (_("(unknown virtuality)")); break; |
19e6b90e L |
1990 | } |
1991 | break; | |
1992 | ||
1993 | case DW_AT_identifier_case: | |
2e9e81a8 | 1994 | printf ("\t"); |
19e6b90e L |
1995 | switch (uvalue) |
1996 | { | |
1997 | case DW_ID_case_sensitive: printf ("(case_sensitive)"); break; | |
1998 | case DW_ID_up_case: printf ("(up_case)"); break; | |
1999 | case DW_ID_down_case: printf ("(down_case)"); break; | |
2000 | case DW_ID_case_insensitive: printf ("(case_insensitive)"); break; | |
9cf03b7e | 2001 | default: printf (_("(unknown case)")); break; |
19e6b90e L |
2002 | } |
2003 | break; | |
2004 | ||
2005 | case DW_AT_calling_convention: | |
2e9e81a8 | 2006 | printf ("\t"); |
19e6b90e L |
2007 | switch (uvalue) |
2008 | { | |
2009 | case DW_CC_normal: printf ("(normal)"); break; | |
2010 | case DW_CC_program: printf ("(program)"); break; | |
2011 | case DW_CC_nocall: printf ("(nocall)"); break; | |
2012 | default: | |
2013 | if (uvalue >= DW_CC_lo_user | |
2014 | && uvalue <= DW_CC_hi_user) | |
9cf03b7e | 2015 | printf (_("(user defined)")); |
19e6b90e | 2016 | else |
9cf03b7e | 2017 | printf (_("(unknown convention)")); |
19e6b90e L |
2018 | } |
2019 | break; | |
2020 | ||
2021 | case DW_AT_ordering: | |
2e9e81a8 | 2022 | printf ("\t"); |
19e6b90e L |
2023 | switch (uvalue) |
2024 | { | |
9cf03b7e | 2025 | case -1: printf (_("(undefined)")); break; |
19e6b90e L |
2026 | case 0: printf ("(row major)"); break; |
2027 | case 1: printf ("(column major)"); break; | |
2028 | } | |
2029 | break; | |
2030 | ||
2031 | case DW_AT_frame_base: | |
2032 | have_frame_base = 1; | |
2033 | case DW_AT_location: | |
e2a0d921 NC |
2034 | case DW_AT_string_length: |
2035 | case DW_AT_return_addr: | |
19e6b90e L |
2036 | case DW_AT_data_member_location: |
2037 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
2038 | case DW_AT_segment: |
2039 | case DW_AT_static_link: | |
2040 | case DW_AT_use_location: | |
629e7ca8 JJ |
2041 | case DW_AT_GNU_call_site_value: |
2042 | case DW_AT_GNU_call_site_data_value: | |
2043 | case DW_AT_GNU_call_site_target: | |
2044 | case DW_AT_GNU_call_site_target_clobbered: | |
212b6063 JK |
2045 | if ((dwarf_version < 4 |
2046 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) | |
932fd279 | 2047 | || form == DW_FORM_sec_offset) |
2e9e81a8 | 2048 | printf (_(" (location list)")); |
e2a0d921 | 2049 | /* Fall through. */ |
19e6b90e L |
2050 | case DW_AT_allocated: |
2051 | case DW_AT_associated: | |
2052 | case DW_AT_data_location: | |
2053 | case DW_AT_stride: | |
2054 | case DW_AT_upper_bound: | |
cecf136e | 2055 | case DW_AT_lower_bound: |
19e6b90e L |
2056 | if (block_start) |
2057 | { | |
2058 | int need_frame_base; | |
2059 | ||
2e9e81a8 | 2060 | printf ("\t("); |
19e6b90e L |
2061 | need_frame_base = decode_location_expression (block_start, |
2062 | pointer_size, | |
b7807392 JJ |
2063 | offset_size, |
2064 | dwarf_version, | |
19e6b90e | 2065 | uvalue, |
f1c4cc75 | 2066 | cu_offset, section); |
19e6b90e L |
2067 | printf (")"); |
2068 | if (need_frame_base && !have_frame_base) | |
2069 | printf (_(" [without DW_AT_frame_base]")); | |
2070 | } | |
19e6b90e L |
2071 | break; |
2072 | ||
ec4d4525 NC |
2073 | case DW_AT_import: |
2074 | { | |
a081f3cd JJ |
2075 | if (form == DW_FORM_ref_sig8 |
2076 | || form == DW_FORM_GNU_ref_alt) | |
2b6f5997 CC |
2077 | break; |
2078 | ||
ec4d4525 NC |
2079 | if (form == DW_FORM_ref1 |
2080 | || form == DW_FORM_ref2 | |
a7a0b6a5 JK |
2081 | || form == DW_FORM_ref4 |
2082 | || form == DW_FORM_ref_udata) | |
ec4d4525 NC |
2083 | uvalue += cu_offset; |
2084 | ||
6e3d6dc1 | 2085 | if (uvalue >= section->size) |
47704ddf KT |
2086 | warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset %lx is too big.\n"), |
2087 | dwarf_vmatoa ("x", uvalue), | |
2088 | (unsigned long) (orig_data - section->start)); | |
6e3d6dc1 NC |
2089 | else |
2090 | { | |
2091 | unsigned long abbrev_number; | |
2092 | abbrev_entry * entry; | |
2093 | ||
f6f0e17b | 2094 | abbrev_number = read_uleb128 (section->start + uvalue, NULL, end); |
cecf136e | 2095 | |
2e9e81a8 | 2096 | printf (_("\t[Abbrev Number: %ld"), abbrev_number); |
afd6e1ff JJ |
2097 | /* Don't look up abbrev for DW_FORM_ref_addr, as it very often will |
2098 | use different abbrev table, and we don't track .debug_info chunks | |
2099 | yet. */ | |
2100 | if (form != DW_FORM_ref_addr) | |
2101 | { | |
2102 | for (entry = first_abbrev; entry != NULL; entry = entry->next) | |
2103 | if (entry->entry == abbrev_number) | |
2104 | break; | |
2105 | if (entry != NULL) | |
2106 | printf (" (%s)", get_TAG_name (entry->tag)); | |
2107 | } | |
6e3d6dc1 NC |
2108 | printf ("]"); |
2109 | } | |
ec4d4525 NC |
2110 | } |
2111 | break; | |
2112 | ||
19e6b90e L |
2113 | default: |
2114 | break; | |
2115 | } | |
2116 | ||
2117 | return data; | |
2118 | } | |
2119 | ||
a19c41a7 | 2120 | static const char * |
19e6b90e L |
2121 | get_AT_name (unsigned long attribute) |
2122 | { | |
a19c41a7 | 2123 | const char *name; |
e2a0d921 | 2124 | |
399c99f7 L |
2125 | if (attribute == 0) |
2126 | return "DW_AT value: 0"; | |
2127 | ||
a19c41a7 TT |
2128 | /* One value is shared by the MIPS and HP extensions: */ |
2129 | if (attribute == DW_AT_MIPS_fde) | |
2130 | return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable"; | |
19e6b90e | 2131 | |
a19c41a7 TT |
2132 | name = get_DW_AT_name (attribute); |
2133 | ||
2134 | if (name == NULL) | |
2135 | { | |
2136 | static char buffer[100]; | |
2137 | ||
2138 | snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"), | |
2139 | attribute); | |
2140 | return buffer; | |
19e6b90e | 2141 | } |
a19c41a7 TT |
2142 | |
2143 | return name; | |
19e6b90e L |
2144 | } |
2145 | ||
2146 | static unsigned char * | |
6e3d6dc1 NC |
2147 | read_and_display_attr (unsigned long attribute, |
2148 | unsigned long form, | |
ec4d4525 | 2149 | unsigned char * data, |
f6f0e17b | 2150 | unsigned char * end, |
467c65bc NC |
2151 | dwarf_vma cu_offset, |
2152 | dwarf_vma pointer_size, | |
2153 | dwarf_vma offset_size, | |
6e3d6dc1 NC |
2154 | int dwarf_version, |
2155 | debug_info * debug_info_p, | |
2156 | int do_loc, | |
341f9135 CC |
2157 | struct dwarf_section * section, |
2158 | struct cu_tu_set * this_set) | |
19e6b90e L |
2159 | { |
2160 | if (!do_loc) | |
750f03b7 | 2161 | printf (" %-18s:", get_AT_name (attribute)); |
f6f0e17b NC |
2162 | data = read_and_display_attr_value (attribute, form, data, end, |
2163 | cu_offset, pointer_size, offset_size, | |
19e6b90e | 2164 | dwarf_version, debug_info_p, |
341f9135 | 2165 | do_loc, section, this_set); |
19e6b90e L |
2166 | if (!do_loc) |
2167 | printf ("\n"); | |
2168 | return data; | |
2169 | } | |
2170 | ||
19e6b90e L |
2171 | /* Process the contents of a .debug_info section. If do_loc is non-zero |
2172 | then we are scanning for location lists and we do not want to display | |
2b6f5997 CC |
2173 | anything to the user. If do_types is non-zero, we are processing |
2174 | a .debug_types section instead of a .debug_info section. */ | |
19e6b90e L |
2175 | |
2176 | static int | |
6e3d6dc1 NC |
2177 | process_debug_info (struct dwarf_section *section, |
2178 | void *file, | |
6f875884 | 2179 | enum dwarf_section_display_enum abbrev_sec, |
2b6f5997 CC |
2180 | int do_loc, |
2181 | int do_types) | |
19e6b90e L |
2182 | { |
2183 | unsigned char *start = section->start; | |
2184 | unsigned char *end = start + section->size; | |
2185 | unsigned char *section_begin; | |
2186 | unsigned int unit; | |
2187 | unsigned int num_units = 0; | |
2188 | ||
2189 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
2190 | && num_debug_info_entries == 0 |
2191 | && ! do_types) | |
19e6b90e | 2192 | { |
767221a9 | 2193 | dwarf_vma length; |
19e6b90e L |
2194 | |
2195 | /* First scan the section to get the number of comp units. */ | |
2196 | for (section_begin = start, num_units = 0; section_begin < end; | |
2197 | num_units ++) | |
2198 | { | |
2199 | /* Read the first 4 bytes. For a 32-bit DWARF section, this | |
2200 | will be the length. For a 64-bit DWARF section, it'll be | |
2201 | the escape code 0xffffffff followed by an 8 byte length. */ | |
0c588247 | 2202 | SAFE_BYTE_GET (length, section_begin, 4, end); |
19e6b90e L |
2203 | |
2204 | if (length == 0xffffffff) | |
2205 | { | |
0c588247 | 2206 | SAFE_BYTE_GET (length, section_begin + 4, 8, end); |
19e6b90e L |
2207 | section_begin += length + 12; |
2208 | } | |
ec4d4525 NC |
2209 | else if (length >= 0xfffffff0 && length < 0xffffffff) |
2210 | { | |
767221a9 NC |
2211 | warn (_("Reserved length value (0x%s) found in section %s\n"), |
2212 | dwarf_vmatoa ("x", length), section->name); | |
ec4d4525 NC |
2213 | return 0; |
2214 | } | |
19e6b90e L |
2215 | else |
2216 | section_begin += length + 4; | |
aca88567 NC |
2217 | |
2218 | /* Negative values are illegal, they may even cause infinite | |
2219 | looping. This can happen if we can't accurately apply | |
2220 | relocations to an object file. */ | |
2221 | if ((signed long) length <= 0) | |
2222 | { | |
767221a9 NC |
2223 | warn (_("Corrupt unit length (0x%s) found in section %s\n"), |
2224 | dwarf_vmatoa ("x", length), section->name); | |
aca88567 NC |
2225 | return 0; |
2226 | } | |
19e6b90e L |
2227 | } |
2228 | ||
2229 | if (num_units == 0) | |
2230 | { | |
f41e4712 | 2231 | error (_("No comp units in %s section ?\n"), section->name); |
19e6b90e L |
2232 | return 0; |
2233 | } | |
2234 | ||
2235 | /* Then allocate an array to hold the information. */ | |
3f5e193b NC |
2236 | debug_information = (debug_info *) cmalloc (num_units, |
2237 | sizeof (* debug_information)); | |
19e6b90e L |
2238 | if (debug_information == NULL) |
2239 | { | |
f41e4712 | 2240 | error (_("Not enough memory for a debug info array of %u entries\n"), |
19e6b90e L |
2241 | num_units); |
2242 | return 0; | |
2243 | } | |
2244 | } | |
2245 | ||
2246 | if (!do_loc) | |
2247 | { | |
fd2f0033 TT |
2248 | if (dwarf_start_die == 0) |
2249 | printf (_("Contents of the %s section:\n\n"), section->name); | |
19e6b90e L |
2250 | |
2251 | load_debug_section (str, file); | |
4723351a CC |
2252 | load_debug_section (str_dwo, file); |
2253 | load_debug_section (str_index, file); | |
2254 | load_debug_section (str_index_dwo, file); | |
2255 | load_debug_section (debug_addr, file); | |
19e6b90e L |
2256 | } |
2257 | ||
6f875884 TG |
2258 | load_debug_section (abbrev_sec, file); |
2259 | if (debug_displays [abbrev_sec].section.start == NULL) | |
19e6b90e L |
2260 | { |
2261 | warn (_("Unable to locate %s section!\n"), | |
6f875884 | 2262 | debug_displays [abbrev_sec].section.name); |
19e6b90e L |
2263 | return 0; |
2264 | } | |
2265 | ||
2266 | for (section_begin = start, unit = 0; start < end; unit++) | |
2267 | { | |
2268 | DWARF2_Internal_CompUnit compunit; | |
2269 | unsigned char *hdrptr; | |
19e6b90e | 2270 | unsigned char *tags; |
fd2f0033 | 2271 | int level, last_level, saved_level; |
467c65bc | 2272 | dwarf_vma cu_offset; |
bf5117e3 | 2273 | unsigned int offset_size; |
19e6b90e | 2274 | int initial_length_size; |
74bc6052 CC |
2275 | dwarf_vma signature_high = 0; |
2276 | dwarf_vma signature_low = 0; | |
767221a9 | 2277 | dwarf_vma type_offset = 0; |
341f9135 CC |
2278 | struct cu_tu_set *this_set; |
2279 | dwarf_vma abbrev_base; | |
2280 | size_t abbrev_size; | |
19e6b90e L |
2281 | |
2282 | hdrptr = start; | |
2283 | ||
0c588247 | 2284 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end); |
19e6b90e L |
2285 | |
2286 | if (compunit.cu_length == 0xffffffff) | |
2287 | { | |
0c588247 | 2288 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end); |
19e6b90e L |
2289 | offset_size = 8; |
2290 | initial_length_size = 12; | |
2291 | } | |
2292 | else | |
2293 | { | |
2294 | offset_size = 4; | |
2295 | initial_length_size = 4; | |
2296 | } | |
2297 | ||
0c588247 | 2298 | SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end); |
19e6b90e L |
2299 | |
2300 | cu_offset = start - section_begin; | |
19e6b90e | 2301 | |
341f9135 CC |
2302 | this_set = find_cu_tu_set_v2 (cu_offset, do_types); |
2303 | ||
0c588247 | 2304 | SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end); |
19e6b90e | 2305 | |
341f9135 CC |
2306 | if (this_set == NULL) |
2307 | { | |
2308 | abbrev_base = 0; | |
2309 | abbrev_size = debug_displays [abbrev_sec].section.size; | |
2310 | } | |
2311 | else | |
2312 | { | |
2313 | abbrev_base = this_set->section_offsets [DW_SECT_ABBREV]; | |
2314 | abbrev_size = this_set->section_sizes [DW_SECT_ABBREV]; | |
2315 | } | |
2316 | ||
0c588247 | 2317 | SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end); |
f41e4712 NC |
2318 | /* PR 17512: file: 001-108546-0.001:0.1. */ |
2319 | if (compunit.cu_pointer_size < 2 || compunit.cu_pointer_size > 8) | |
2320 | { | |
2321 | warn (_("Invalid pointer size (%d) in compunit header, using %d instead\n"), | |
2322 | compunit.cu_pointer_size, offset_size); | |
2323 | compunit.cu_pointer_size = offset_size; | |
2324 | } | |
2b6f5997 CC |
2325 | |
2326 | if (do_types) | |
2327 | { | |
0c588247 | 2328 | SAFE_BYTE_GET64 (hdrptr, &signature_high, &signature_low, end); |
f048b142 | 2329 | hdrptr += 8; |
0c588247 | 2330 | SAFE_BYTE_GET_AND_INC (type_offset, hdrptr, offset_size, end); |
2b6f5997 CC |
2331 | } |
2332 | ||
19e6b90e | 2333 | if ((do_loc || do_debug_loc || do_debug_ranges) |
2b6f5997 CC |
2334 | && num_debug_info_entries == 0 |
2335 | && ! do_types) | |
19e6b90e L |
2336 | { |
2337 | debug_information [unit].cu_offset = cu_offset; | |
2338 | debug_information [unit].pointer_size | |
2339 | = compunit.cu_pointer_size; | |
b7807392 JJ |
2340 | debug_information [unit].offset_size = offset_size; |
2341 | debug_information [unit].dwarf_version = compunit.cu_version; | |
19e6b90e | 2342 | debug_information [unit].base_address = 0; |
4723351a CC |
2343 | debug_information [unit].addr_base = DEBUG_INFO_UNAVAILABLE; |
2344 | debug_information [unit].ranges_base = DEBUG_INFO_UNAVAILABLE; | |
19e6b90e L |
2345 | debug_information [unit].loc_offsets = NULL; |
2346 | debug_information [unit].have_frame_base = NULL; | |
2347 | debug_information [unit].max_loc_offsets = 0; | |
2348 | debug_information [unit].num_loc_offsets = 0; | |
2349 | debug_information [unit].range_lists = NULL; | |
2350 | debug_information [unit].max_range_lists= 0; | |
2351 | debug_information [unit].num_range_lists = 0; | |
2352 | } | |
2353 | ||
fd2f0033 | 2354 | if (!do_loc && dwarf_start_die == 0) |
19e6b90e | 2355 | { |
47704ddf KT |
2356 | printf (_(" Compilation Unit @ offset 0x%s:\n"), |
2357 | dwarf_vmatoa ("x", cu_offset)); | |
2358 | printf (_(" Length: 0x%s (%s)\n"), | |
2359 | dwarf_vmatoa ("x", compunit.cu_length), | |
49e7b350 | 2360 | offset_size == 8 ? "64-bit" : "32-bit"); |
19e6b90e | 2361 | printf (_(" Version: %d\n"), compunit.cu_version); |
7282333f AM |
2362 | printf (_(" Abbrev Offset: 0x%s\n"), |
2363 | dwarf_vmatoa ("x", compunit.cu_abbrev_offset)); | |
19e6b90e | 2364 | printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size); |
2b6f5997 CC |
2365 | if (do_types) |
2366 | { | |
74bc6052 CC |
2367 | char buf[64]; |
2368 | ||
2369 | printf (_(" Signature: 0x%s\n"), | |
2370 | dwarf_vmatoa64 (signature_high, signature_low, | |
2371 | buf, sizeof (buf))); | |
2372 | printf (_(" Type Offset: 0x%s\n"), | |
2373 | dwarf_vmatoa ("x", type_offset)); | |
2b6f5997 | 2374 | } |
341f9135 CC |
2375 | if (this_set != NULL) |
2376 | { | |
2377 | dwarf_vma *offsets = this_set->section_offsets; | |
2378 | size_t *sizes = this_set->section_sizes; | |
2379 | ||
2380 | printf (_(" Section contributions:\n")); | |
2381 | printf (_(" .debug_abbrev.dwo: 0x%s 0x%s\n"), | |
2382 | dwarf_vmatoa ("x", offsets [DW_SECT_ABBREV]), | |
2383 | dwarf_vmatoa ("x", sizes [DW_SECT_ABBREV])); | |
2384 | printf (_(" .debug_line.dwo: 0x%s 0x%s\n"), | |
2385 | dwarf_vmatoa ("x", offsets [DW_SECT_LINE]), | |
2386 | dwarf_vmatoa ("x", sizes [DW_SECT_LINE])); | |
2387 | printf (_(" .debug_loc.dwo: 0x%s 0x%s\n"), | |
2388 | dwarf_vmatoa ("x", offsets [DW_SECT_LOC]), | |
2389 | dwarf_vmatoa ("x", sizes [DW_SECT_LOC])); | |
2390 | printf (_(" .debug_str_offsets.dwo: 0x%s 0x%s\n"), | |
2391 | dwarf_vmatoa ("x", offsets [DW_SECT_STR_OFFSETS]), | |
2392 | dwarf_vmatoa ("x", sizes [DW_SECT_STR_OFFSETS])); | |
2393 | } | |
19e6b90e L |
2394 | } |
2395 | ||
460c89ff NS |
2396 | if (cu_offset + compunit.cu_length + initial_length_size |
2397 | > section->size) | |
2398 | { | |
47704ddf KT |
2399 | warn (_("Debug info is corrupted, length of CU at %s" |
2400 | " extends beyond end of section (length = %s)\n"), | |
2401 | dwarf_vmatoa ("x", cu_offset), | |
2402 | dwarf_vmatoa ("x", compunit.cu_length)); | |
460c89ff NS |
2403 | break; |
2404 | } | |
2405 | tags = hdrptr; | |
2406 | start += compunit.cu_length + initial_length_size; | |
2407 | ||
932fd279 JJ |
2408 | if (compunit.cu_version != 2 |
2409 | && compunit.cu_version != 3 | |
2410 | && compunit.cu_version != 4) | |
19e6b90e | 2411 | { |
47704ddf KT |
2412 | warn (_("CU at offset %s contains corrupt or " |
2413 | "unsupported version number: %d.\n"), | |
2414 | dwarf_vmatoa ("x", cu_offset), compunit.cu_version); | |
19e6b90e L |
2415 | continue; |
2416 | } | |
2417 | ||
2418 | free_abbrevs (); | |
2419 | ||
d493b283 | 2420 | /* Process the abbrevs used by this compilation unit. */ |
341f9135 | 2421 | if (compunit.cu_abbrev_offset >= abbrev_size) |
ec4d4525 NC |
2422 | warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"), |
2423 | (unsigned long) compunit.cu_abbrev_offset, | |
341f9135 | 2424 | (unsigned long) abbrev_size); |
460c89ff NS |
2425 | else |
2426 | process_abbrev_section | |
341f9135 CC |
2427 | (((unsigned char *) debug_displays [abbrev_sec].section.start |
2428 | + abbrev_base + compunit.cu_abbrev_offset), | |
2429 | ((unsigned char *) debug_displays [abbrev_sec].section.start | |
2430 | + abbrev_base + abbrev_size)); | |
19e6b90e L |
2431 | |
2432 | level = 0; | |
fd2f0033 TT |
2433 | last_level = level; |
2434 | saved_level = -1; | |
19e6b90e L |
2435 | while (tags < start) |
2436 | { | |
2437 | unsigned int bytes_read; | |
2438 | unsigned long abbrev_number; | |
ec4d4525 | 2439 | unsigned long die_offset; |
19e6b90e L |
2440 | abbrev_entry *entry; |
2441 | abbrev_attr *attr; | |
fd2f0033 | 2442 | int do_printing = 1; |
19e6b90e | 2443 | |
ec4d4525 NC |
2444 | die_offset = tags - section_begin; |
2445 | ||
f6f0e17b | 2446 | abbrev_number = read_uleb128 (tags, & bytes_read, start); |
19e6b90e L |
2447 | tags += bytes_read; |
2448 | ||
eb7cc021 JK |
2449 | /* A null DIE marks the end of a list of siblings or it may also be |
2450 | a section padding. */ | |
19e6b90e L |
2451 | if (abbrev_number == 0) |
2452 | { | |
eb7cc021 JK |
2453 | /* Check if it can be a section padding for the last CU. */ |
2454 | if (level == 0 && start == end) | |
2455 | { | |
2456 | unsigned char *chk; | |
2457 | ||
2458 | for (chk = tags; chk < start; chk++) | |
2459 | if (*chk != 0) | |
2460 | break; | |
2461 | if (chk == start) | |
2462 | break; | |
2463 | } | |
2464 | ||
4337774f TT |
2465 | if (!do_loc && die_offset >= dwarf_start_die |
2466 | && (dwarf_cutoff_level == -1 | |
2467 | || level < dwarf_cutoff_level)) | |
399c99f7 L |
2468 | printf (_(" <%d><%lx>: Abbrev Number: 0\n"), |
2469 | level, die_offset); | |
2470 | ||
19e6b90e | 2471 | --level; |
ec4d4525 NC |
2472 | if (level < 0) |
2473 | { | |
2474 | static unsigned num_bogus_warns = 0; | |
2475 | ||
2476 | if (num_bogus_warns < 3) | |
2477 | { | |
4723351a CC |
2478 | warn (_("Bogus end-of-siblings marker detected at offset %lx in %s section\n"), |
2479 | die_offset, section->name); | |
ec4d4525 NC |
2480 | num_bogus_warns ++; |
2481 | if (num_bogus_warns == 3) | |
2482 | warn (_("Further warnings about bogus end-of-sibling markers suppressed\n")); | |
2483 | } | |
2484 | } | |
fd2f0033 TT |
2485 | if (dwarf_start_die != 0 && level < saved_level) |
2486 | return 1; | |
19e6b90e L |
2487 | continue; |
2488 | } | |
2489 | ||
4b78141a | 2490 | if (!do_loc) |
fd2f0033 TT |
2491 | { |
2492 | if (dwarf_start_die != 0 && die_offset < dwarf_start_die) | |
2493 | do_printing = 0; | |
2494 | else | |
2495 | { | |
2496 | if (dwarf_start_die != 0 && die_offset == dwarf_start_die) | |
2497 | saved_level = level; | |
2498 | do_printing = (dwarf_cutoff_level == -1 | |
2499 | || level < dwarf_cutoff_level); | |
2500 | if (do_printing) | |
2501 | printf (_(" <%d><%lx>: Abbrev Number: %lu"), | |
2502 | level, die_offset, abbrev_number); | |
2503 | else if (dwarf_cutoff_level == -1 | |
2504 | || last_level < dwarf_cutoff_level) | |
2505 | printf (_(" <%d><%lx>: ...\n"), level, die_offset); | |
2506 | last_level = level; | |
2507 | } | |
2508 | } | |
cecf136e | 2509 | |
19e6b90e L |
2510 | /* Scan through the abbreviation list until we reach the |
2511 | correct entry. */ | |
2512 | for (entry = first_abbrev; | |
2513 | entry && entry->entry != abbrev_number; | |
2514 | entry = entry->next) | |
2515 | continue; | |
2516 | ||
2517 | if (entry == NULL) | |
2518 | { | |
fd2f0033 | 2519 | if (!do_loc && do_printing) |
4b78141a NC |
2520 | { |
2521 | printf ("\n"); | |
2522 | fflush (stdout); | |
2523 | } | |
cc86f28f NC |
2524 | warn (_("DIE at offset %lx refers to abbreviation number %lu which does not exist\n"), |
2525 | die_offset, abbrev_number); | |
19e6b90e L |
2526 | return 0; |
2527 | } | |
2528 | ||
fd2f0033 | 2529 | if (!do_loc && do_printing) |
cc5914eb | 2530 | printf (" (%s)\n", get_TAG_name (entry->tag)); |
cecf136e | 2531 | |
19e6b90e L |
2532 | switch (entry->tag) |
2533 | { | |
2534 | default: | |
2535 | need_base_address = 0; | |
2536 | break; | |
2537 | case DW_TAG_compile_unit: | |
2538 | need_base_address = 1; | |
2539 | break; | |
2540 | case DW_TAG_entry_point: | |
19e6b90e L |
2541 | case DW_TAG_subprogram: |
2542 | need_base_address = 0; | |
2543 | /* Assuming that there is no DW_AT_frame_base. */ | |
2544 | have_frame_base = 0; | |
2545 | break; | |
2546 | } | |
2547 | ||
399c99f7 L |
2548 | for (attr = entry->first_attr; |
2549 | attr && attr->attribute; | |
2550 | attr = attr->next) | |
4b78141a | 2551 | { |
fd2f0033 TT |
2552 | debug_info *arg; |
2553 | ||
2554 | if (! do_loc && do_printing) | |
4b78141a | 2555 | /* Show the offset from where the tag was extracted. */ |
fd2f0033 TT |
2556 | printf (" <%lx>", (unsigned long)(tags - section_begin)); |
2557 | ||
2558 | arg = debug_information; | |
2559 | if (debug_information) | |
2560 | arg += unit; | |
4b78141a NC |
2561 | |
2562 | tags = read_and_display_attr (attr->attribute, | |
2563 | attr->form, | |
341f9135 | 2564 | tags, |
f6f0e17b | 2565 | end, |
341f9135 | 2566 | cu_offset, |
4b78141a NC |
2567 | compunit.cu_pointer_size, |
2568 | offset_size, | |
2569 | compunit.cu_version, | |
fd2f0033 | 2570 | arg, |
341f9135 CC |
2571 | do_loc || ! do_printing, |
2572 | section, | |
2573 | this_set); | |
4b78141a | 2574 | } |
cecf136e | 2575 | |
19e6b90e L |
2576 | if (entry->children) |
2577 | ++level; | |
2578 | } | |
2579 | } | |
cecf136e | 2580 | |
19e6b90e L |
2581 | /* Set num_debug_info_entries here so that it can be used to check if |
2582 | we need to process .debug_loc and .debug_ranges sections. */ | |
2583 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
2584 | && num_debug_info_entries == 0 |
2585 | && ! do_types) | |
19e6b90e | 2586 | num_debug_info_entries = num_units; |
cecf136e | 2587 | |
19e6b90e | 2588 | if (!do_loc) |
467c65bc | 2589 | printf ("\n"); |
cecf136e | 2590 | |
19e6b90e L |
2591 | return 1; |
2592 | } | |
2593 | ||
2594 | /* Locate and scan the .debug_info section in the file and record the pointer | |
2595 | sizes and offsets for the compilation units in it. Usually an executable | |
2596 | will have just one pointer size, but this is not guaranteed, and so we try | |
2597 | not to make any assumptions. Returns zero upon failure, or the number of | |
2598 | compilation units upon success. */ | |
2599 | ||
2600 | static unsigned int | |
2601 | load_debug_info (void * file) | |
2602 | { | |
2603 | /* Reset the last pointer size so that we can issue correct error | |
2604 | messages if we are displaying the contents of more than one section. */ | |
2605 | last_pointer_size = 0; | |
2606 | warned_about_missing_comp_units = FALSE; | |
2607 | ||
1febe64d | 2608 | /* If we have already tried and failed to load the .debug_info |
657d0d47 | 2609 | section then do not bother to repeat the task. */ |
cc86f28f | 2610 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) |
1febe64d NC |
2611 | return 0; |
2612 | ||
19e6b90e L |
2613 | /* If we already have the information there is nothing else to do. */ |
2614 | if (num_debug_info_entries > 0) | |
2615 | return num_debug_info_entries; | |
2616 | ||
341f9135 CC |
2617 | /* If this is a DWARF package file, load the CU and TU indexes. */ |
2618 | load_cu_tu_indexes (file); | |
2619 | ||
19e6b90e | 2620 | if (load_debug_section (info, file) |
6f875884 | 2621 | && process_debug_info (&debug_displays [info].section, file, abbrev, 1, 0)) |
19e6b90e | 2622 | return num_debug_info_entries; |
4723351a CC |
2623 | else if (load_debug_section (info_dwo, file) |
2624 | && process_debug_info (&debug_displays [info_dwo].section, file, | |
2625 | abbrev_dwo, 1, 0)) | |
2626 | return num_debug_info_entries; | |
1febe64d | 2627 | |
cc86f28f | 2628 | num_debug_info_entries = DEBUG_INFO_UNAVAILABLE; |
1febe64d | 2629 | return 0; |
19e6b90e L |
2630 | } |
2631 | ||
b40bf0a2 NC |
2632 | /* Read a DWARF .debug_line section header starting at DATA. |
2633 | Upon success returns an updated DATA pointer and the LINFO | |
2634 | structure and the END_OF_SEQUENCE pointer will be filled in. | |
2635 | Otherwise returns NULL. */ | |
19e6b90e | 2636 | |
b40bf0a2 NC |
2637 | static unsigned char * |
2638 | read_debug_line_header (struct dwarf_section * section, | |
2639 | unsigned char * data, | |
2640 | unsigned char * end, | |
2641 | DWARF2_Internal_LineInfo * linfo, | |
2642 | unsigned char ** end_of_sequence) | |
2643 | { | |
2644 | unsigned char *hdrptr; | |
2645 | unsigned int offset_size; | |
2646 | unsigned int initial_length_size; | |
19e6b90e | 2647 | |
b40bf0a2 NC |
2648 | /* Extract information from the Line Number Program Header. |
2649 | (section 6.2.4 in the Dwarf3 doc). */ | |
6937bb54 | 2650 | hdrptr = data; |
19e6b90e | 2651 | |
b40bf0a2 NC |
2652 | /* Get and check the length of the block. */ |
2653 | SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 4, end); | |
19e6b90e | 2654 | |
b40bf0a2 | 2655 | if (linfo->li_length == 0xffffffff) |
f41e4712 NC |
2656 | { |
2657 | /* This section is 64-bit DWARF 3. */ | |
b40bf0a2 | 2658 | SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end); |
f41e4712 NC |
2659 | offset_size = 8; |
2660 | initial_length_size = 12; | |
2661 | } | |
2662 | else | |
2663 | { | |
2664 | offset_size = 4; | |
2665 | initial_length_size = 4; | |
2666 | } | |
19e6b90e | 2667 | |
b40bf0a2 | 2668 | if (linfo->li_length + initial_length_size > section->size) |
f41e4712 | 2669 | { |
b40bf0a2 NC |
2670 | /* If the length is just a bias against the initial_length_size then |
2671 | this means that the field has a relocation against it which has not | |
2672 | been applied. (Ie we are dealing with an object file, not a linked | |
2673 | binary). Do not complain but instead assume that the rest of the | |
2674 | section applies to this particular header. */ | |
2675 | if (linfo->li_length == - initial_length_size) | |
2676 | { | |
2677 | linfo->li_length = section->size - initial_length_size; | |
2678 | } | |
2679 | else | |
2680 | { | |
f41e4712 | 2681 | warn (_("The line info appears to be corrupt - the section is too small\n")); |
b40bf0a2 NC |
2682 | return NULL; |
2683 | } | |
f41e4712 | 2684 | } |
19e6b90e | 2685 | |
b40bf0a2 NC |
2686 | /* Get and check the version number. */ |
2687 | SAFE_BYTE_GET_AND_INC (linfo->li_version, hdrptr, 2, end); | |
2688 | ||
2689 | if (linfo->li_version != 2 | |
2690 | && linfo->li_version != 3 | |
2691 | && linfo->li_version != 4) | |
f41e4712 NC |
2692 | { |
2693 | warn (_("Only DWARF version 2, 3 and 4 line info is currently supported.\n")); | |
b40bf0a2 | 2694 | return NULL; |
f41e4712 | 2695 | } |
19e6b90e | 2696 | |
b40bf0a2 NC |
2697 | SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr, offset_size, end); |
2698 | SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end); | |
0c588247 | 2699 | |
b40bf0a2 | 2700 | if (linfo->li_version >= 4) |
f41e4712 | 2701 | { |
b40bf0a2 | 2702 | SAFE_BYTE_GET_AND_INC (linfo->li_max_ops_per_insn, hdrptr, 1, end); |
0c588247 | 2703 | |
b40bf0a2 | 2704 | if (linfo->li_max_ops_per_insn == 0) |
f41e4712 NC |
2705 | { |
2706 | warn (_("Invalid maximum operations per insn.\n")); | |
b40bf0a2 | 2707 | return NULL; |
a233b20c | 2708 | } |
f41e4712 NC |
2709 | } |
2710 | else | |
b40bf0a2 | 2711 | linfo->li_max_ops_per_insn = 1; |
0c588247 | 2712 | |
b40bf0a2 | 2713 | SAFE_BYTE_GET_AND_INC (linfo->li_default_is_stmt, hdrptr, 1, end); |
65879393 | 2714 | SAFE_SIGNED_BYTE_GET_AND_INC (linfo->li_line_base, hdrptr, 1, end); |
b40bf0a2 NC |
2715 | SAFE_BYTE_GET_AND_INC (linfo->li_line_range, hdrptr, 1, end); |
2716 | SAFE_BYTE_GET_AND_INC (linfo->li_opcode_base, hdrptr, 1, end); | |
19e6b90e | 2717 | |
b40bf0a2 | 2718 | * end_of_sequence = data + linfo->li_length + initial_length_size; |
6937bb54 NC |
2719 | /* PR 17512: file:002-117414-0.004. */ |
2720 | if (* end_of_sequence > end) | |
2721 | { | |
2722 | warn (_("Line length %lld extends beyond end of section\n"), linfo->li_length); | |
2723 | * end_of_sequence = end; | |
2724 | return NULL; | |
2725 | } | |
2726 | ||
b40bf0a2 NC |
2727 | return hdrptr; |
2728 | } | |
19e6b90e | 2729 | |
b40bf0a2 NC |
2730 | static int |
2731 | display_debug_lines_raw (struct dwarf_section *section, | |
2732 | unsigned char *data, | |
2733 | unsigned char *end) | |
2734 | { | |
2735 | unsigned char *start = section->start; | |
19e6b90e | 2736 | |
b40bf0a2 NC |
2737 | printf (_("Raw dump of debug contents of section %s:\n\n"), |
2738 | section->name); | |
19e6b90e | 2739 | |
b40bf0a2 NC |
2740 | while (data < end) |
2741 | { | |
2742 | static DWARF2_Internal_LineInfo saved_linfo; | |
2743 | DWARF2_Internal_LineInfo linfo; | |
2744 | unsigned char *standard_opcodes; | |
2745 | unsigned char *end_of_sequence; | |
fe59e83d CC |
2746 | unsigned int last_dir_entry = 0; |
2747 | int i; | |
19e6b90e | 2748 | |
4925cdd7 NC |
2749 | if (const_strneq (section->name, ".debug_line.") |
2750 | /* Note: the following does not apply to .debug_line.dwo sections. | |
2751 | These are full debug_line sections. */ | |
2752 | && strcmp (section->name, ".debug_line.dwo") != 0) | |
19e6b90e | 2753 | { |
b40bf0a2 NC |
2754 | /* Sections named .debug_line.<foo> are fragments of a .debug_line |
2755 | section containing just the Line Number Statements. They are | |
2756 | created by the assembler and intended to be used alongside gcc's | |
2757 | -ffunction-sections command line option. When the linker's | |
2758 | garbage collection decides to discard a .text.<foo> section it | |
2759 | can then also discard the line number information in .debug_line.<foo>. | |
2760 | ||
4925cdd7 | 2761 | Since the section is a fragment it does not have the details |
b40bf0a2 | 2762 | needed to fill out a LineInfo structure, so instead we use the |
4925cdd7 | 2763 | details from the last full debug_line section that we processed. */ |
b40bf0a2 NC |
2764 | end_of_sequence = end; |
2765 | standard_opcodes = NULL; | |
2766 | linfo = saved_linfo; | |
2767 | reset_state_machine (linfo.li_default_is_stmt); | |
19e6b90e | 2768 | } |
19e6b90e L |
2769 | else |
2770 | { | |
b40bf0a2 | 2771 | unsigned char * hdrptr; |
19e6b90e | 2772 | |
b40bf0a2 NC |
2773 | if ((hdrptr = read_debug_line_header (section, data, end, & linfo, |
2774 | & end_of_sequence)) == NULL) | |
2775 | return 0; | |
19e6b90e | 2776 | |
b40bf0a2 NC |
2777 | printf (_(" Offset: 0x%lx\n"), (long)(data - start)); |
2778 | printf (_(" Length: %ld\n"), (long) linfo.li_length); | |
2779 | printf (_(" DWARF Version: %d\n"), linfo.li_version); | |
2780 | printf (_(" Prologue Length: %d\n"), linfo.li_prologue_length); | |
2781 | printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length); | |
2782 | if (linfo.li_version >= 4) | |
2783 | printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn); | |
2784 | printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt); | |
2785 | printf (_(" Line Base: %d\n"), linfo.li_line_base); | |
2786 | printf (_(" Line Range: %d\n"), linfo.li_line_range); | |
2787 | printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base); | |
19e6b90e | 2788 | |
b40bf0a2 | 2789 | reset_state_machine (linfo.li_default_is_stmt); |
19e6b90e | 2790 | |
b40bf0a2 NC |
2791 | /* Display the contents of the Opcodes table. */ |
2792 | standard_opcodes = hdrptr; | |
19e6b90e | 2793 | |
6937bb54 NC |
2794 | /* PR 17512: file: 002-417945-0.004. */ |
2795 | if (standard_opcodes + linfo.li_opcode_base >= end) | |
2796 | { | |
2797 | warn (_("Line Base extends beyond end of section\n")); | |
2798 | return 0; | |
2799 | } | |
2800 | ||
b40bf0a2 | 2801 | printf (_("\n Opcodes:\n")); |
19e6b90e | 2802 | |
b40bf0a2 NC |
2803 | for (i = 1; i < linfo.li_opcode_base; i++) |
2804 | printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]); | |
19e6b90e | 2805 | |
b40bf0a2 NC |
2806 | /* Display the contents of the Directory table. */ |
2807 | data = standard_opcodes + linfo.li_opcode_base - 1; | |
19e6b90e | 2808 | |
b40bf0a2 NC |
2809 | if (*data == 0) |
2810 | printf (_("\n The Directory Table is empty.\n")); | |
2811 | else | |
2812 | { | |
fe59e83d CC |
2813 | printf (_("\n The Directory Table (offset 0x%lx):\n"), |
2814 | (long)(data - start)); | |
19e6b90e | 2815 | |
6937bb54 | 2816 | while (data < end && *data != 0) |
a233b20c | 2817 | { |
6937bb54 | 2818 | printf (" %d\t%.*s\n", ++last_dir_entry, (int) (end - data), data); |
b40bf0a2 NC |
2819 | |
2820 | data += strnlen ((char *) data, end - data) + 1; | |
a233b20c | 2821 | } |
6937bb54 NC |
2822 | |
2823 | /* PR 17512: file: 002-132094-0.004. */ | |
2824 | if (data >= end - 1) | |
2825 | break; | |
b40bf0a2 | 2826 | } |
19e6b90e | 2827 | |
b40bf0a2 NC |
2828 | /* Skip the NUL at the end of the table. */ |
2829 | data++; | |
19e6b90e | 2830 | |
b40bf0a2 NC |
2831 | /* Display the contents of the File Name table. */ |
2832 | if (*data == 0) | |
2833 | printf (_("\n The File Name Table is empty.\n")); | |
2834 | else | |
2835 | { | |
fe59e83d CC |
2836 | printf (_("\n The File Name Table (offset 0x%lx):\n"), |
2837 | (long)(data - start)); | |
b40bf0a2 | 2838 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); |
19e6b90e | 2839 | |
6937bb54 | 2840 | while (data < end && *data != 0) |
b40bf0a2 NC |
2841 | { |
2842 | unsigned char *name; | |
2843 | unsigned int bytes_read; | |
19e6b90e | 2844 | |
b40bf0a2 NC |
2845 | printf (" %d\t", ++state_machine_regs.last_file_entry); |
2846 | name = data; | |
2847 | data += strnlen ((char *) data, end - data) + 1; | |
19e6b90e | 2848 | |
b40bf0a2 NC |
2849 | printf ("%s\t", |
2850 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
2851 | data += bytes_read; | |
2852 | printf ("%s\t", | |
2853 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
2854 | data += bytes_read; | |
2855 | printf ("%s\t", | |
2856 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
2857 | data += bytes_read; | |
6937bb54 | 2858 | printf ("%.*s\n", (int)(end - name), name); |
19e6b90e | 2859 | |
b40bf0a2 NC |
2860 | if (data == end) |
2861 | { | |
2862 | warn (_("Corrupt file name table entry\n")); | |
2863 | break; | |
2864 | } | |
a233b20c | 2865 | } |
b40bf0a2 | 2866 | } |
19e6b90e | 2867 | |
b40bf0a2 NC |
2868 | /* Skip the NUL at the end of the table. */ |
2869 | data++; | |
2870 | putchar ('\n'); | |
2871 | saved_linfo = linfo; | |
2872 | } | |
19e6b90e | 2873 | |
b40bf0a2 NC |
2874 | /* Now display the statements. */ |
2875 | if (data >= end_of_sequence) | |
2876 | printf (_(" No Line Number Statements.\n")); | |
2877 | else | |
2878 | { | |
2879 | printf (_(" Line Number Statements:\n")); | |
19e6b90e | 2880 | |
b40bf0a2 NC |
2881 | while (data < end_of_sequence) |
2882 | { | |
2883 | unsigned char op_code; | |
2884 | dwarf_signed_vma adv; | |
2885 | dwarf_vma uladv; | |
2886 | unsigned int bytes_read; | |
19e6b90e | 2887 | |
fe59e83d CC |
2888 | printf (" [0x%08lx]", (long)(data - start)); |
2889 | ||
b40bf0a2 | 2890 | op_code = *data++; |
19e6b90e | 2891 | |
b40bf0a2 | 2892 | if (op_code >= linfo.li_opcode_base) |
19e6b90e | 2893 | { |
b40bf0a2 NC |
2894 | op_code -= linfo.li_opcode_base; |
2895 | uladv = (op_code / linfo.li_line_range); | |
2896 | if (linfo.li_max_ops_per_insn == 1) | |
2897 | { | |
2898 | uladv *= linfo.li_min_insn_length; | |
2899 | state_machine_regs.address += uladv; | |
2900 | printf (_(" Special opcode %d: " | |
2901 | "advance Address by %s to 0x%s"), | |
2902 | op_code, dwarf_vmatoa ("u", uladv), | |
2903 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
2904 | } | |
2905 | else | |
2906 | { | |
2907 | state_machine_regs.address | |
2908 | += ((state_machine_regs.op_index + uladv) | |
2909 | / linfo.li_max_ops_per_insn) | |
2910 | * linfo.li_min_insn_length; | |
2911 | state_machine_regs.op_index | |
2912 | = (state_machine_regs.op_index + uladv) | |
2913 | % linfo.li_max_ops_per_insn; | |
2914 | printf (_(" Special opcode %d: " | |
2915 | "advance Address by %s to 0x%s[%d]"), | |
2916 | op_code, dwarf_vmatoa ("u", uladv), | |
2917 | dwarf_vmatoa ("x", state_machine_regs.address), | |
2918 | state_machine_regs.op_index); | |
2919 | } | |
2920 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; | |
2921 | state_machine_regs.line += adv; | |
2922 | printf (_(" and Line by %s to %d\n"), | |
2923 | dwarf_vmatoa ("d", adv), state_machine_regs.line); | |
19e6b90e | 2924 | } |
b40bf0a2 NC |
2925 | else switch (op_code) |
2926 | { | |
2927 | case DW_LNS_extended_op: | |
2928 | data += process_extended_line_op (data, linfo.li_default_is_stmt, end); | |
2929 | break; | |
2930 | ||
2931 | case DW_LNS_copy: | |
2932 | printf (_(" Copy\n")); | |
2933 | break; | |
2934 | ||
2935 | case DW_LNS_advance_pc: | |
2936 | uladv = read_uleb128 (data, & bytes_read, end); | |
2937 | data += bytes_read; | |
2938 | if (linfo.li_max_ops_per_insn == 1) | |
2939 | { | |
2940 | uladv *= linfo.li_min_insn_length; | |
2941 | state_machine_regs.address += uladv; | |
2942 | printf (_(" Advance PC by %s to 0x%s\n"), | |
2943 | dwarf_vmatoa ("u", uladv), | |
2944 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
2945 | } | |
2946 | else | |
2947 | { | |
2948 | state_machine_regs.address | |
2949 | += ((state_machine_regs.op_index + uladv) | |
2950 | / linfo.li_max_ops_per_insn) | |
2951 | * linfo.li_min_insn_length; | |
2952 | state_machine_regs.op_index | |
2953 | = (state_machine_regs.op_index + uladv) | |
2954 | % linfo.li_max_ops_per_insn; | |
2955 | printf (_(" Advance PC by %s to 0x%s[%d]\n"), | |
2956 | dwarf_vmatoa ("u", uladv), | |
2957 | dwarf_vmatoa ("x", state_machine_regs.address), | |
2958 | state_machine_regs.op_index); | |
2959 | } | |
2960 | break; | |
2961 | ||
2962 | case DW_LNS_advance_line: | |
2963 | adv = read_sleb128 (data, & bytes_read, end); | |
2964 | data += bytes_read; | |
2965 | state_machine_regs.line += adv; | |
2966 | printf (_(" Advance Line by %s to %d\n"), | |
2967 | dwarf_vmatoa ("d", adv), | |
2968 | state_machine_regs.line); | |
2969 | break; | |
2970 | ||
2971 | case DW_LNS_set_file: | |
2972 | adv = read_uleb128 (data, & bytes_read, end); | |
2973 | data += bytes_read; | |
2974 | printf (_(" Set File Name to entry %s in the File Name Table\n"), | |
2975 | dwarf_vmatoa ("d", adv)); | |
2976 | state_machine_regs.file = adv; | |
2977 | break; | |
2978 | ||
2979 | case DW_LNS_set_column: | |
2980 | uladv = read_uleb128 (data, & bytes_read, end); | |
2981 | data += bytes_read; | |
2982 | printf (_(" Set column to %s\n"), | |
2983 | dwarf_vmatoa ("u", uladv)); | |
2984 | state_machine_regs.column = uladv; | |
2985 | break; | |
2986 | ||
2987 | case DW_LNS_negate_stmt: | |
2988 | adv = state_machine_regs.is_stmt; | |
2989 | adv = ! adv; | |
2990 | printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv)); | |
2991 | state_machine_regs.is_stmt = adv; | |
2992 | break; | |
2993 | ||
2994 | case DW_LNS_set_basic_block: | |
2995 | printf (_(" Set basic block\n")); | |
2996 | state_machine_regs.basic_block = 1; | |
2997 | break; | |
2998 | ||
2999 | case DW_LNS_const_add_pc: | |
3000 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); | |
3001 | if (linfo.li_max_ops_per_insn) | |
3002 | { | |
3003 | uladv *= linfo.li_min_insn_length; | |
3004 | state_machine_regs.address += uladv; | |
3005 | printf (_(" Advance PC by constant %s to 0x%s\n"), | |
3006 | dwarf_vmatoa ("u", uladv), | |
3007 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
3008 | } | |
3009 | else | |
3010 | { | |
3011 | state_machine_regs.address | |
3012 | += ((state_machine_regs.op_index + uladv) | |
3013 | / linfo.li_max_ops_per_insn) | |
3014 | * linfo.li_min_insn_length; | |
3015 | state_machine_regs.op_index | |
3016 | = (state_machine_regs.op_index + uladv) | |
3017 | % linfo.li_max_ops_per_insn; | |
3018 | printf (_(" Advance PC by constant %s to 0x%s[%d]\n"), | |
3019 | dwarf_vmatoa ("u", uladv), | |
3020 | dwarf_vmatoa ("x", state_machine_regs.address), | |
3021 | state_machine_regs.op_index); | |
3022 | } | |
3023 | break; | |
3024 | ||
3025 | case DW_LNS_fixed_advance_pc: | |
3026 | SAFE_BYTE_GET_AND_INC (uladv, data, 2, end); | |
3027 | state_machine_regs.address += uladv; | |
3028 | state_machine_regs.op_index = 0; | |
3029 | printf (_(" Advance PC by fixed size amount %s to 0x%s\n"), | |
3030 | dwarf_vmatoa ("u", uladv), | |
3031 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
3032 | break; | |
3033 | ||
3034 | case DW_LNS_set_prologue_end: | |
3035 | printf (_(" Set prologue_end to true\n")); | |
3036 | break; | |
3037 | ||
3038 | case DW_LNS_set_epilogue_begin: | |
3039 | printf (_(" Set epilogue_begin to true\n")); | |
3040 | break; | |
3041 | ||
3042 | case DW_LNS_set_isa: | |
3043 | uladv = read_uleb128 (data, & bytes_read, end); | |
3044 | data += bytes_read; | |
3045 | printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv)); | |
3046 | break; | |
3047 | ||
3048 | default: | |
3049 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
3050 | ||
3051 | if (standard_opcodes != NULL) | |
3052 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
3053 | { | |
3054 | printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data, | |
3055 | &bytes_read, end)), | |
3056 | i == 1 ? "" : ", "); | |
3057 | data += bytes_read; | |
3058 | } | |
3059 | putchar ('\n'); | |
3060 | break; | |
3061 | } | |
19e6b90e | 3062 | } |
b40bf0a2 | 3063 | putchar ('\n'); |
19e6b90e | 3064 | } |
19e6b90e L |
3065 | } |
3066 | ||
3067 | return 1; | |
3068 | } | |
3069 | ||
a262ae96 NC |
3070 | typedef struct |
3071 | { | |
467c65bc NC |
3072 | unsigned char *name; |
3073 | unsigned int directory_index; | |
3074 | unsigned int modification_date; | |
3075 | unsigned int length; | |
a262ae96 NC |
3076 | } File_Entry; |
3077 | ||
3078 | /* Output a decoded representation of the .debug_line section. */ | |
3079 | ||
3080 | static int | |
3081 | display_debug_lines_decoded (struct dwarf_section *section, | |
3082 | unsigned char *data, | |
3083 | unsigned char *end) | |
3084 | { | |
b40bf0a2 NC |
3085 | static DWARF2_Internal_LineInfo saved_linfo; |
3086 | ||
a262ae96 NC |
3087 | printf (_("Decoded dump of debug contents of section %s:\n\n"), |
3088 | section->name); | |
3089 | ||
3090 | while (data < end) | |
3091 | { | |
3092 | /* This loop amounts to one iteration per compilation unit. */ | |
91d6fa6a | 3093 | DWARF2_Internal_LineInfo linfo; |
a262ae96 NC |
3094 | unsigned char *standard_opcodes; |
3095 | unsigned char *end_of_sequence; | |
a262ae96 NC |
3096 | int i; |
3097 | File_Entry *file_table = NULL; | |
143a3db0 | 3098 | unsigned int n_files = 0; |
a262ae96 | 3099 | unsigned char **directory_table = NULL; |
143a3db0 | 3100 | unsigned int n_directories = 0; |
a262ae96 | 3101 | |
4925cdd7 NC |
3102 | if (const_strneq (section->name, ".debug_line.") |
3103 | /* Note: the following does not apply to .debug_line.dwo sections. | |
3104 | These are full debug_line sections. */ | |
3105 | && strcmp (section->name, ".debug_line.dwo") != 0) | |
a262ae96 | 3106 | { |
4925cdd7 | 3107 | /* See comment in display_debug_lines_raw(). */ |
b40bf0a2 NC |
3108 | end_of_sequence = end; |
3109 | standard_opcodes = NULL; | |
3110 | linfo = saved_linfo; | |
3111 | reset_state_machine (linfo.li_default_is_stmt); | |
a262ae96 NC |
3112 | } |
3113 | else | |
3114 | { | |
b40bf0a2 | 3115 | unsigned char *hdrptr; |
a262ae96 | 3116 | |
b40bf0a2 NC |
3117 | if ((hdrptr = read_debug_line_header (section, data, end, & linfo, |
3118 | & end_of_sequence)) == NULL) | |
a233b20c | 3119 | return 0; |
0c588247 | 3120 | |
b40bf0a2 | 3121 | reset_state_machine (linfo.li_default_is_stmt); |
a262ae96 | 3122 | |
b40bf0a2 NC |
3123 | /* Save a pointer to the contents of the Opcodes table. */ |
3124 | standard_opcodes = hdrptr; | |
a262ae96 | 3125 | |
b40bf0a2 NC |
3126 | /* Traverse the Directory table just to count entries. */ |
3127 | data = standard_opcodes + linfo.li_opcode_base - 1; | |
3128 | if (*data != 0) | |
3129 | { | |
3130 | unsigned char *ptr_directory_table = data; | |
a262ae96 | 3131 | |
b40bf0a2 NC |
3132 | while (*data != 0) |
3133 | { | |
3134 | data += strnlen ((char *) data, end - data) + 1; | |
3135 | n_directories++; | |
3136 | } | |
a262ae96 | 3137 | |
b40bf0a2 NC |
3138 | /* Go through the directory table again to save the directories. */ |
3139 | directory_table = (unsigned char **) | |
3140 | xmalloc (n_directories * sizeof (unsigned char *)); | |
a262ae96 | 3141 | |
b40bf0a2 NC |
3142 | i = 0; |
3143 | while (*ptr_directory_table != 0) | |
3144 | { | |
3145 | directory_table[i] = ptr_directory_table; | |
3146 | ptr_directory_table += strnlen ((char *) ptr_directory_table, | |
3147 | ptr_directory_table - end) + 1; | |
3148 | i++; | |
3149 | } | |
a262ae96 | 3150 | } |
b40bf0a2 NC |
3151 | /* Skip the NUL at the end of the table. */ |
3152 | data++; | |
a262ae96 | 3153 | |
b40bf0a2 NC |
3154 | /* Traverse the File Name table just to count the entries. */ |
3155 | if (*data != 0) | |
3156 | { | |
3157 | unsigned char *ptr_file_name_table = data; | |
a262ae96 | 3158 | |
b40bf0a2 NC |
3159 | while (*data != 0) |
3160 | { | |
3161 | unsigned int bytes_read; | |
a262ae96 | 3162 | |
b40bf0a2 NC |
3163 | /* Skip Name, directory index, last modification time and length |
3164 | of file. */ | |
3165 | data += strnlen ((char *) data, end - data) + 1; | |
3166 | read_uleb128 (data, & bytes_read, end); | |
3167 | data += bytes_read; | |
3168 | read_uleb128 (data, & bytes_read, end); | |
3169 | data += bytes_read; | |
3170 | read_uleb128 (data, & bytes_read, end); | |
3171 | data += bytes_read; | |
a262ae96 | 3172 | |
b40bf0a2 NC |
3173 | n_files++; |
3174 | } | |
a262ae96 | 3175 | |
b40bf0a2 NC |
3176 | /* Go through the file table again to save the strings. */ |
3177 | file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry)); | |
a262ae96 | 3178 | |
b40bf0a2 NC |
3179 | i = 0; |
3180 | while (*ptr_file_name_table != 0) | |
3181 | { | |
3182 | unsigned int bytes_read; | |
3183 | ||
3184 | file_table[i].name = ptr_file_name_table; | |
3185 | ptr_file_name_table += strnlen ((char *) ptr_file_name_table, | |
3186 | end - ptr_file_name_table) + 1; | |
3187 | ||
3188 | /* We are not interested in directory, time or size. */ | |
3189 | file_table[i].directory_index = read_uleb128 (ptr_file_name_table, | |
3190 | & bytes_read, end); | |
3191 | ptr_file_name_table += bytes_read; | |
3192 | file_table[i].modification_date = read_uleb128 (ptr_file_name_table, | |
3193 | & bytes_read, end); | |
3194 | ptr_file_name_table += bytes_read; | |
3195 | file_table[i].length = read_uleb128 (ptr_file_name_table, & bytes_read, end); | |
3196 | ptr_file_name_table += bytes_read; | |
3197 | i++; | |
3198 | } | |
3199 | i = 0; | |
a262ae96 | 3200 | |
b40bf0a2 NC |
3201 | /* Print the Compilation Unit's name and a header. */ |
3202 | if (directory_table == NULL) | |
3203 | { | |
3204 | printf (_("CU: %s:\n"), file_table[0].name); | |
3205 | printf (_("File name Line number Starting address\n")); | |
3206 | } | |
3207 | else | |
3208 | { | |
3209 | unsigned int ix = file_table[0].directory_index; | |
3210 | const char *directory = ix ? (char *)directory_table[ix - 1] : "."; | |
a262ae96 | 3211 | |
b40bf0a2 NC |
3212 | if (do_wide || strlen (directory) < 76) |
3213 | printf (_("CU: %s/%s:\n"), directory, file_table[0].name); | |
3214 | else | |
3215 | printf ("%s:\n", file_table[0].name); | |
0c588247 | 3216 | |
b40bf0a2 NC |
3217 | printf (_("File name Line number Starting address\n")); |
3218 | } | |
3219 | } | |
cc5914eb | 3220 | |
b40bf0a2 NC |
3221 | /* Skip the NUL at the end of the table. */ |
3222 | data++; | |
a262ae96 | 3223 | |
b40bf0a2 NC |
3224 | saved_linfo = linfo; |
3225 | } | |
a262ae96 NC |
3226 | |
3227 | /* This loop iterates through the Dwarf Line Number Program. */ | |
3228 | while (data < end_of_sequence) | |
3229 | { | |
3230 | unsigned char op_code; | |
3231 | int adv; | |
3232 | unsigned long int uladv; | |
3233 | unsigned int bytes_read; | |
3234 | int is_special_opcode = 0; | |
3235 | ||
3236 | op_code = *data++; | |
a262ae96 | 3237 | |
91d6fa6a | 3238 | if (op_code >= linfo.li_opcode_base) |
a262ae96 | 3239 | { |
91d6fa6a | 3240 | op_code -= linfo.li_opcode_base; |
a233b20c JJ |
3241 | uladv = (op_code / linfo.li_line_range); |
3242 | if (linfo.li_max_ops_per_insn == 1) | |
3243 | { | |
3244 | uladv *= linfo.li_min_insn_length; | |
3245 | state_machine_regs.address += uladv; | |
3246 | } | |
3247 | else | |
3248 | { | |
3249 | state_machine_regs.address | |
3250 | += ((state_machine_regs.op_index + uladv) | |
3251 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 3252 | * linfo.li_min_insn_length; |
a233b20c JJ |
3253 | state_machine_regs.op_index |
3254 | = (state_machine_regs.op_index + uladv) | |
b40bf0a2 | 3255 | % linfo.li_max_ops_per_insn; |
a233b20c | 3256 | } |
a262ae96 | 3257 | |
91d6fa6a | 3258 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; |
a262ae96 NC |
3259 | state_machine_regs.line += adv; |
3260 | is_special_opcode = 1; | |
3261 | } | |
3262 | else switch (op_code) | |
b40bf0a2 NC |
3263 | { |
3264 | case DW_LNS_extended_op: | |
3265 | { | |
3266 | unsigned int ext_op_code_len; | |
3267 | unsigned char ext_op_code; | |
3268 | unsigned char *op_code_data = data; | |
3269 | ||
3270 | ext_op_code_len = read_uleb128 (op_code_data, &bytes_read, | |
3271 | end_of_sequence); | |
3272 | op_code_data += bytes_read; | |
3273 | ||
3274 | if (ext_op_code_len == 0) | |
3275 | { | |
f41e4712 | 3276 | warn (_("Badly formed extended line op encountered!\n")); |
b40bf0a2 NC |
3277 | break; |
3278 | } | |
3279 | ext_op_code_len += bytes_read; | |
3280 | ext_op_code = *op_code_data++; | |
3281 | ||
3282 | switch (ext_op_code) | |
3283 | { | |
3284 | case DW_LNE_end_sequence: | |
3285 | reset_state_machine (linfo.li_default_is_stmt); | |
3286 | break; | |
3287 | case DW_LNE_set_address: | |
3288 | SAFE_BYTE_GET_AND_INC (state_machine_regs.address, | |
87bc83b3 CC |
3289 | op_code_data, |
3290 | ext_op_code_len - bytes_read - 1, | |
b40bf0a2 NC |
3291 | end); |
3292 | state_machine_regs.op_index = 0; | |
3293 | break; | |
3294 | case DW_LNE_define_file: | |
3295 | { | |
3296 | file_table = (File_Entry *) xrealloc | |
3297 | (file_table, (n_files + 1) * sizeof (File_Entry)); | |
3298 | ||
3299 | ++state_machine_regs.last_file_entry; | |
3300 | /* Source file name. */ | |
3301 | file_table[n_files].name = op_code_data; | |
3302 | op_code_data += strlen ((char *) op_code_data) + 1; | |
3303 | /* Directory index. */ | |
3304 | file_table[n_files].directory_index = | |
3305 | read_uleb128 (op_code_data, & bytes_read, | |
3306 | end_of_sequence); | |
3307 | op_code_data += bytes_read; | |
3308 | /* Last modification time. */ | |
3309 | file_table[n_files].modification_date = | |
3310 | read_uleb128 (op_code_data, & bytes_read, | |
3311 | end_of_sequence); | |
3312 | op_code_data += bytes_read; | |
3313 | /* File length. */ | |
3314 | file_table[n_files].length = | |
3315 | read_uleb128 (op_code_data, & bytes_read, | |
3316 | end_of_sequence); | |
3317 | ||
3318 | n_files++; | |
3319 | break; | |
3320 | } | |
3321 | case DW_LNE_set_discriminator: | |
3322 | case DW_LNE_HP_set_sequence: | |
3323 | /* Simply ignored. */ | |
3324 | break; | |
3325 | ||
3326 | default: | |
3327 | printf (_("UNKNOWN (%u): length %d\n"), | |
3328 | ext_op_code, ext_op_code_len - bytes_read); | |
3329 | break; | |
3330 | } | |
3331 | data += ext_op_code_len; | |
3332 | break; | |
3333 | } | |
3334 | case DW_LNS_copy: | |
3335 | break; | |
3336 | ||
3337 | case DW_LNS_advance_pc: | |
3338 | uladv = read_uleb128 (data, & bytes_read, end); | |
3339 | data += bytes_read; | |
3340 | if (linfo.li_max_ops_per_insn == 1) | |
3341 | { | |
3342 | uladv *= linfo.li_min_insn_length; | |
3343 | state_machine_regs.address += uladv; | |
3344 | } | |
3345 | else | |
3346 | { | |
3347 | state_machine_regs.address | |
3348 | += ((state_machine_regs.op_index + uladv) | |
3349 | / linfo.li_max_ops_per_insn) | |
3350 | * linfo.li_min_insn_length; | |
3351 | state_machine_regs.op_index | |
3352 | = (state_machine_regs.op_index + uladv) | |
3353 | % linfo.li_max_ops_per_insn; | |
3354 | } | |
3355 | break; | |
3356 | ||
3357 | case DW_LNS_advance_line: | |
3358 | adv = read_sleb128 (data, & bytes_read, end); | |
3359 | data += bytes_read; | |
3360 | state_machine_regs.line += adv; | |
3361 | break; | |
3362 | ||
3363 | case DW_LNS_set_file: | |
3364 | adv = read_uleb128 (data, & bytes_read, end); | |
3365 | data += bytes_read; | |
3366 | state_machine_regs.file = adv; | |
3367 | ||
3368 | if (file_table == NULL) | |
3369 | printf (_("\n [Use file table entry %d]\n"), state_machine_regs.file - 1); | |
3370 | else if (file_table[state_machine_regs.file - 1].directory_index == 0) | |
3371 | /* If directory index is 0, that means current directory. */ | |
3372 | printf ("\n./%s:[++]\n", | |
3373 | file_table[state_machine_regs.file - 1].name); | |
3374 | else if (directory_table == NULL) | |
3375 | printf (_("\n [Use directory table entry %d]\n"), | |
3376 | file_table[state_machine_regs.file - 1].directory_index - 1); | |
3377 | else | |
3378 | /* The directory index starts counting at 1. */ | |
3379 | printf ("\n%s/%s:\n", | |
3380 | directory_table[file_table[state_machine_regs.file - 1].directory_index - 1], | |
3381 | file_table[state_machine_regs.file - 1].name); | |
3382 | break; | |
3383 | ||
3384 | case DW_LNS_set_column: | |
3385 | uladv = read_uleb128 (data, & bytes_read, end); | |
3386 | data += bytes_read; | |
3387 | state_machine_regs.column = uladv; | |
3388 | break; | |
3389 | ||
3390 | case DW_LNS_negate_stmt: | |
3391 | adv = state_machine_regs.is_stmt; | |
3392 | adv = ! adv; | |
3393 | state_machine_regs.is_stmt = adv; | |
3394 | break; | |
3395 | ||
3396 | case DW_LNS_set_basic_block: | |
3397 | state_machine_regs.basic_block = 1; | |
3398 | break; | |
3399 | ||
3400 | case DW_LNS_const_add_pc: | |
3401 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); | |
3402 | if (linfo.li_max_ops_per_insn == 1) | |
3403 | { | |
3404 | uladv *= linfo.li_min_insn_length; | |
3405 | state_machine_regs.address += uladv; | |
3406 | } | |
3407 | else | |
3408 | { | |
3409 | state_machine_regs.address | |
3410 | += ((state_machine_regs.op_index + uladv) | |
3411 | / linfo.li_max_ops_per_insn) | |
3412 | * linfo.li_min_insn_length; | |
3413 | state_machine_regs.op_index | |
3414 | = (state_machine_regs.op_index + uladv) | |
3415 | % linfo.li_max_ops_per_insn; | |
3416 | } | |
3417 | break; | |
3418 | ||
3419 | case DW_LNS_fixed_advance_pc: | |
3420 | SAFE_BYTE_GET_AND_INC (uladv, data, 2, end); | |
3421 | state_machine_regs.address += uladv; | |
3422 | state_machine_regs.op_index = 0; | |
3423 | break; | |
3424 | ||
3425 | case DW_LNS_set_prologue_end: | |
3426 | break; | |
3427 | ||
3428 | case DW_LNS_set_epilogue_begin: | |
3429 | break; | |
3430 | ||
3431 | case DW_LNS_set_isa: | |
3432 | uladv = read_uleb128 (data, & bytes_read, end); | |
3433 | data += bytes_read; | |
3434 | printf (_(" Set ISA to %lu\n"), uladv); | |
3435 | break; | |
3436 | ||
3437 | default: | |
3438 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
3439 | ||
3440 | if (standard_opcodes != NULL) | |
3441 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
3442 | { | |
3443 | printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data, | |
3444 | &bytes_read, end)), | |
3445 | i == 1 ? "" : ", "); | |
3446 | data += bytes_read; | |
3447 | } | |
3448 | putchar ('\n'); | |
3449 | break; | |
3450 | } | |
a262ae96 NC |
3451 | |
3452 | /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row | |
3453 | to the DWARF address/line matrix. */ | |
3454 | if ((is_special_opcode) || (op_code == DW_LNE_end_sequence) | |
3455 | || (op_code == DW_LNS_copy)) | |
3456 | { | |
3457 | const unsigned int MAX_FILENAME_LENGTH = 35; | |
b40bf0a2 | 3458 | char *fileName; |
a262ae96 | 3459 | char *newFileName = NULL; |
b40bf0a2 NC |
3460 | size_t fileNameLength; |
3461 | ||
3462 | if (file_table) | |
3463 | fileName = (char *) file_table[state_machine_regs.file - 1].name; | |
3464 | else | |
3465 | fileName = "<unknown>"; | |
3466 | ||
3467 | fileNameLength = strlen (fileName); | |
a262ae96 NC |
3468 | |
3469 | if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide)) | |
3470 | { | |
3f5e193b | 3471 | newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1); |
a262ae96 NC |
3472 | /* Truncate file name */ |
3473 | strncpy (newFileName, | |
3474 | fileName + fileNameLength - MAX_FILENAME_LENGTH, | |
3475 | MAX_FILENAME_LENGTH + 1); | |
3476 | } | |
3477 | else | |
3478 | { | |
3f5e193b | 3479 | newFileName = (char *) xmalloc (fileNameLength + 1); |
a262ae96 NC |
3480 | strncpy (newFileName, fileName, fileNameLength + 1); |
3481 | } | |
3482 | ||
3483 | if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH)) | |
3484 | { | |
a233b20c | 3485 | if (linfo.li_max_ops_per_insn == 1) |
467c65bc NC |
3486 | printf ("%-35s %11d %#18" DWARF_VMA_FMT "x\n", |
3487 | newFileName, state_machine_regs.line, | |
a233b20c JJ |
3488 | state_machine_regs.address); |
3489 | else | |
467c65bc NC |
3490 | printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]\n", |
3491 | newFileName, state_machine_regs.line, | |
a233b20c JJ |
3492 | state_machine_regs.address, |
3493 | state_machine_regs.op_index); | |
a262ae96 NC |
3494 | } |
3495 | else | |
3496 | { | |
a233b20c | 3497 | if (linfo.li_max_ops_per_insn == 1) |
467c65bc NC |
3498 | printf ("%s %11d %#18" DWARF_VMA_FMT "x\n", |
3499 | newFileName, state_machine_regs.line, | |
a233b20c JJ |
3500 | state_machine_regs.address); |
3501 | else | |
467c65bc NC |
3502 | printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]\n", |
3503 | newFileName, state_machine_regs.line, | |
a233b20c JJ |
3504 | state_machine_regs.address, |
3505 | state_machine_regs.op_index); | |
a262ae96 NC |
3506 | } |
3507 | ||
3508 | if (op_code == DW_LNE_end_sequence) | |
3509 | printf ("\n"); | |
3510 | ||
3511 | free (newFileName); | |
3512 | } | |
3513 | } | |
b40bf0a2 NC |
3514 | |
3515 | if (file_table) | |
3516 | { | |
3517 | free (file_table); | |
3518 | file_table = NULL; | |
3519 | n_files = 0; | |
3520 | } | |
3521 | ||
3522 | if (directory_table) | |
3523 | { | |
3524 | free (directory_table); | |
3525 | directory_table = NULL; | |
3526 | n_directories = 0; | |
3527 | } | |
3528 | ||
a262ae96 NC |
3529 | putchar ('\n'); |
3530 | } | |
3531 | ||
3532 | return 1; | |
3533 | } | |
3534 | ||
3535 | static int | |
1c4cc746 | 3536 | display_debug_lines (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED) |
a262ae96 NC |
3537 | { |
3538 | unsigned char *data = section->start; | |
3539 | unsigned char *end = data + section->size; | |
4cb93e3b TG |
3540 | int retValRaw = 1; |
3541 | int retValDecoded = 1; | |
a262ae96 | 3542 | |
008f4c78 NC |
3543 | if (do_debug_lines == 0) |
3544 | do_debug_lines |= FLAG_DEBUG_LINES_RAW; | |
3545 | ||
4cb93e3b | 3546 | if (do_debug_lines & FLAG_DEBUG_LINES_RAW) |
a262ae96 NC |
3547 | retValRaw = display_debug_lines_raw (section, data, end); |
3548 | ||
4cb93e3b | 3549 | if (do_debug_lines & FLAG_DEBUG_LINES_DECODED) |
a262ae96 NC |
3550 | retValDecoded = display_debug_lines_decoded (section, data, end); |
3551 | ||
4cb93e3b | 3552 | if (!retValRaw || !retValDecoded) |
a262ae96 NC |
3553 | return 0; |
3554 | ||
3555 | return 1; | |
3556 | } | |
3557 | ||
6e3d6dc1 NC |
3558 | static debug_info * |
3559 | find_debug_info_for_offset (unsigned long offset) | |
3560 | { | |
3561 | unsigned int i; | |
3562 | ||
3563 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) | |
3564 | return NULL; | |
3565 | ||
3566 | for (i = 0; i < num_debug_info_entries; i++) | |
3567 | if (debug_information[i].cu_offset == offset) | |
3568 | return debug_information + i; | |
3569 | ||
3570 | return NULL; | |
3571 | } | |
3572 | ||
459d52c8 DE |
3573 | static const char * |
3574 | get_gdb_index_symbol_kind_name (gdb_index_symbol_kind kind) | |
3575 | { | |
3576 | /* See gdb/gdb-index.h. */ | |
3577 | static const char * const kinds[] = | |
3578 | { | |
3579 | N_ ("no info"), | |
3580 | N_ ("type"), | |
3581 | N_ ("variable"), | |
3582 | N_ ("function"), | |
3583 | N_ ("other"), | |
3584 | N_ ("unused5"), | |
3585 | N_ ("unused6"), | |
3586 | N_ ("unused7") | |
3587 | }; | |
3588 | ||
3589 | return _ (kinds[kind]); | |
3590 | } | |
3591 | ||
19e6b90e | 3592 | static int |
459d52c8 DE |
3593 | display_debug_pubnames_worker (struct dwarf_section *section, |
3594 | void *file ATTRIBUTE_UNUSED, | |
3595 | int is_gnu) | |
19e6b90e | 3596 | { |
91d6fa6a | 3597 | DWARF2_Internal_PubNames names; |
19e6b90e L |
3598 | unsigned char *start = section->start; |
3599 | unsigned char *end = start + section->size; | |
3600 | ||
6e3d6dc1 NC |
3601 | /* It does not matter if this load fails, |
3602 | we test for that later on. */ | |
3603 | load_debug_info (file); | |
3604 | ||
19e6b90e L |
3605 | printf (_("Contents of the %s section:\n\n"), section->name); |
3606 | ||
3607 | while (start < end) | |
3608 | { | |
3609 | unsigned char *data; | |
3610 | unsigned long offset; | |
bf5117e3 | 3611 | unsigned int offset_size, initial_length_size; |
19e6b90e L |
3612 | |
3613 | data = start; | |
3614 | ||
0c588247 | 3615 | SAFE_BYTE_GET_AND_INC (names.pn_length, data, 4, end); |
91d6fa6a | 3616 | if (names.pn_length == 0xffffffff) |
19e6b90e | 3617 | { |
0c588247 | 3618 | SAFE_BYTE_GET_AND_INC (names.pn_length, data, 8, end); |
19e6b90e L |
3619 | offset_size = 8; |
3620 | initial_length_size = 12; | |
3621 | } | |
3622 | else | |
3623 | { | |
3624 | offset_size = 4; | |
3625 | initial_length_size = 4; | |
3626 | } | |
3627 | ||
0c588247 NC |
3628 | SAFE_BYTE_GET_AND_INC (names.pn_version, data, 2, end); |
3629 | SAFE_BYTE_GET_AND_INC (names.pn_offset, data, offset_size, end); | |
6e3d6dc1 NC |
3630 | |
3631 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE | |
3632 | && num_debug_info_entries > 0 | |
91d6fa6a | 3633 | && find_debug_info_for_offset (names.pn_offset) == NULL) |
6e3d6dc1 | 3634 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), |
47704ddf | 3635 | (unsigned long) names.pn_offset, section->name); |
cecf136e | 3636 | |
0c588247 | 3637 | SAFE_BYTE_GET_AND_INC (names.pn_size, data, offset_size, end); |
19e6b90e | 3638 | |
91d6fa6a | 3639 | start += names.pn_length + initial_length_size; |
19e6b90e | 3640 | |
91d6fa6a | 3641 | if (names.pn_version != 2 && names.pn_version != 3) |
19e6b90e L |
3642 | { |
3643 | static int warned = 0; | |
3644 | ||
3645 | if (! warned) | |
3646 | { | |
3647 | warn (_("Only DWARF 2 and 3 pubnames are currently supported\n")); | |
3648 | warned = 1; | |
3649 | } | |
3650 | ||
3651 | continue; | |
3652 | } | |
3653 | ||
3654 | printf (_(" Length: %ld\n"), | |
47704ddf | 3655 | (long) names.pn_length); |
19e6b90e | 3656 | printf (_(" Version: %d\n"), |
91d6fa6a | 3657 | names.pn_version); |
6e3d6dc1 | 3658 | printf (_(" Offset into .debug_info section: 0x%lx\n"), |
47704ddf | 3659 | (unsigned long) names.pn_offset); |
19e6b90e | 3660 | printf (_(" Size of area in .debug_info section: %ld\n"), |
47704ddf | 3661 | (long) names.pn_size); |
19e6b90e | 3662 | |
459d52c8 DE |
3663 | if (is_gnu) |
3664 | printf (_("\n Offset Kind Name\n")); | |
3665 | else | |
3666 | printf (_("\n Offset\tName\n")); | |
19e6b90e L |
3667 | |
3668 | do | |
3669 | { | |
f41e4712 NC |
3670 | bfd_size_type maxprint; |
3671 | ||
0c588247 | 3672 | SAFE_BYTE_GET (offset, data, offset_size, end); |
19e6b90e L |
3673 | |
3674 | if (offset != 0) | |
3675 | { | |
3676 | data += offset_size; | |
f41e4712 NC |
3677 | if (data >= end) |
3678 | break; | |
3679 | maxprint = (end - data) - 1; | |
3680 | ||
459d52c8 DE |
3681 | if (is_gnu) |
3682 | { | |
3683 | unsigned int kind_data; | |
3684 | gdb_index_symbol_kind kind; | |
3685 | const char *kind_name; | |
3686 | int is_static; | |
3687 | ||
3688 | SAFE_BYTE_GET (kind_data, data, 1, end); | |
3689 | data++; | |
f41e4712 | 3690 | maxprint --; |
459d52c8 DE |
3691 | /* GCC computes the kind as the upper byte in the CU index |
3692 | word, and then right shifts it by the CU index size. | |
3693 | Left shift KIND to where the gdb-index.h accessor macros | |
3694 | can use it. */ | |
3695 | kind_data <<= GDB_INDEX_CU_BITSIZE; | |
3696 | kind = GDB_INDEX_SYMBOL_KIND_VALUE (kind_data); | |
3697 | kind_name = get_gdb_index_symbol_kind_name (kind); | |
3698 | is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (kind_data); | |
f41e4712 | 3699 | printf (" %-6lx %s,%-10s %.*s\n", |
459d52c8 | 3700 | offset, is_static ? _("s") : _("g"), |
f41e4712 | 3701 | kind_name, (int) maxprint, data); |
459d52c8 DE |
3702 | } |
3703 | else | |
f41e4712 NC |
3704 | printf (" %-6lx\t%.*s\n", offset, (int) maxprint, data); |
3705 | ||
3706 | data += strnlen ((char *) data, maxprint) + 1; | |
3707 | if (data >= end) | |
3708 | break; | |
19e6b90e L |
3709 | } |
3710 | } | |
3711 | while (offset != 0); | |
3712 | } | |
3713 | ||
3714 | printf ("\n"); | |
3715 | return 1; | |
3716 | } | |
3717 | ||
459d52c8 DE |
3718 | static int |
3719 | display_debug_pubnames (struct dwarf_section *section, void *file) | |
3720 | { | |
3721 | return display_debug_pubnames_worker (section, file, 0); | |
3722 | } | |
3723 | ||
3724 | static int | |
3725 | display_debug_gnu_pubnames (struct dwarf_section *section, void *file) | |
3726 | { | |
3727 | return display_debug_pubnames_worker (section, file, 1); | |
3728 | } | |
3729 | ||
19e6b90e L |
3730 | static int |
3731 | display_debug_macinfo (struct dwarf_section *section, | |
3732 | void *file ATTRIBUTE_UNUSED) | |
3733 | { | |
3734 | unsigned char *start = section->start; | |
3735 | unsigned char *end = start + section->size; | |
3736 | unsigned char *curr = start; | |
3737 | unsigned int bytes_read; | |
3738 | enum dwarf_macinfo_record_type op; | |
3739 | ||
3740 | printf (_("Contents of the %s section:\n\n"), section->name); | |
3741 | ||
3742 | while (curr < end) | |
3743 | { | |
3744 | unsigned int lineno; | |
0c588247 | 3745 | const unsigned char *string; |
19e6b90e | 3746 | |
3f5e193b | 3747 | op = (enum dwarf_macinfo_record_type) *curr; |
19e6b90e L |
3748 | curr++; |
3749 | ||
3750 | switch (op) | |
3751 | { | |
3752 | case DW_MACINFO_start_file: | |
3753 | { | |
3754 | unsigned int filenum; | |
3755 | ||
f6f0e17b | 3756 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 3757 | curr += bytes_read; |
f6f0e17b | 3758 | filenum = read_uleb128 (curr, & bytes_read, end); |
19e6b90e L |
3759 | curr += bytes_read; |
3760 | ||
3761 | printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), | |
3762 | lineno, filenum); | |
3763 | } | |
3764 | break; | |
3765 | ||
3766 | case DW_MACINFO_end_file: | |
3767 | printf (_(" DW_MACINFO_end_file\n")); | |
3768 | break; | |
3769 | ||
3770 | case DW_MACINFO_define: | |
f6f0e17b | 3771 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 3772 | curr += bytes_read; |
0c588247 NC |
3773 | string = curr; |
3774 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
3775 | printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"), |
3776 | lineno, string); | |
3777 | break; | |
3778 | ||
3779 | case DW_MACINFO_undef: | |
f6f0e17b | 3780 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 3781 | curr += bytes_read; |
0c588247 NC |
3782 | string = curr; |
3783 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
3784 | printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"), |
3785 | lineno, string); | |
3786 | break; | |
3787 | ||
3788 | case DW_MACINFO_vendor_ext: | |
3789 | { | |
3790 | unsigned int constant; | |
3791 | ||
f6f0e17b | 3792 | constant = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 3793 | curr += bytes_read; |
0c588247 NC |
3794 | string = curr; |
3795 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
3796 | printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), |
3797 | constant, string); | |
3798 | } | |
3799 | break; | |
3800 | } | |
3801 | } | |
3802 | ||
3803 | return 1; | |
3804 | } | |
3805 | ||
4ccf1e31 JJ |
3806 | /* Given LINE_OFFSET into the .debug_line section, attempt to return |
3807 | filename and dirname corresponding to file name table entry with index | |
3808 | FILEIDX. Return NULL on failure. */ | |
3809 | ||
3810 | static unsigned char * | |
f6f0e17b NC |
3811 | get_line_filename_and_dirname (dwarf_vma line_offset, |
3812 | dwarf_vma fileidx, | |
4ccf1e31 JJ |
3813 | unsigned char **dir_name) |
3814 | { | |
3815 | struct dwarf_section *section = &debug_displays [line].section; | |
3816 | unsigned char *hdrptr, *dirtable, *file_name; | |
3817 | unsigned int offset_size, initial_length_size; | |
3818 | unsigned int version, opcode_base, bytes_read; | |
3819 | dwarf_vma length, diridx; | |
f6f0e17b | 3820 | const unsigned char * end; |
4ccf1e31 JJ |
3821 | |
3822 | *dir_name = NULL; | |
3823 | if (section->start == NULL | |
3824 | || line_offset >= section->size | |
3825 | || fileidx == 0) | |
3826 | return NULL; | |
3827 | ||
3828 | hdrptr = section->start + line_offset; | |
f6f0e17b | 3829 | end = section->start + section->size; |
0c588247 NC |
3830 | |
3831 | SAFE_BYTE_GET_AND_INC (length, hdrptr, 4, end); | |
4ccf1e31 JJ |
3832 | if (length == 0xffffffff) |
3833 | { | |
3834 | /* This section is 64-bit DWARF 3. */ | |
0c588247 | 3835 | SAFE_BYTE_GET_AND_INC (length, hdrptr, 8, end); |
4ccf1e31 JJ |
3836 | offset_size = 8; |
3837 | initial_length_size = 12; | |
3838 | } | |
3839 | else | |
3840 | { | |
3841 | offset_size = 4; | |
3842 | initial_length_size = 4; | |
3843 | } | |
3844 | if (length + initial_length_size > section->size) | |
3845 | return NULL; | |
0c588247 NC |
3846 | |
3847 | SAFE_BYTE_GET_AND_INC (version, hdrptr, 2, end); | |
4ccf1e31 JJ |
3848 | if (version != 2 && version != 3 && version != 4) |
3849 | return NULL; | |
3850 | hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */ | |
3851 | if (version >= 4) | |
3852 | hdrptr++; /* Skip max_ops_per_insn. */ | |
3853 | hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */ | |
0c588247 NC |
3854 | |
3855 | SAFE_BYTE_GET_AND_INC (opcode_base, hdrptr, 1, end); | |
4ccf1e31 JJ |
3856 | if (opcode_base == 0) |
3857 | return NULL; | |
0c588247 | 3858 | |
4ccf1e31 JJ |
3859 | hdrptr += opcode_base - 1; |
3860 | dirtable = hdrptr; | |
3861 | /* Skip over dirname table. */ | |
3862 | while (*hdrptr != '\0') | |
0c588247 | 3863 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
4ccf1e31 JJ |
3864 | hdrptr++; /* Skip the NUL at the end of the table. */ |
3865 | /* Now skip over preceding filename table entries. */ | |
3866 | for (; *hdrptr != '\0' && fileidx > 1; fileidx--) | |
3867 | { | |
0c588247 | 3868 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
f6f0e17b | 3869 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 | 3870 | hdrptr += bytes_read; |
f6f0e17b | 3871 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 | 3872 | hdrptr += bytes_read; |
f6f0e17b | 3873 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 JJ |
3874 | hdrptr += bytes_read; |
3875 | } | |
f6f0e17b | 3876 | if (hdrptr == end || *hdrptr == '\0') |
4ccf1e31 JJ |
3877 | return NULL; |
3878 | file_name = hdrptr; | |
0c588247 | 3879 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
f6f0e17b | 3880 | diridx = read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 JJ |
3881 | if (diridx == 0) |
3882 | return file_name; | |
3883 | for (; *dirtable != '\0' && diridx > 1; diridx--) | |
0c588247 | 3884 | dirtable += strnlen ((char *) dirtable, end - dirtable) + 1; |
4ccf1e31 JJ |
3885 | if (*dirtable == '\0') |
3886 | return NULL; | |
3887 | *dir_name = dirtable; | |
3888 | return file_name; | |
3889 | } | |
3890 | ||
3891 | static int | |
3892 | display_debug_macro (struct dwarf_section *section, | |
3893 | void *file) | |
3894 | { | |
3895 | unsigned char *start = section->start; | |
3896 | unsigned char *end = start + section->size; | |
3897 | unsigned char *curr = start; | |
3898 | unsigned char *extended_op_buf[256]; | |
3899 | unsigned int bytes_read; | |
3900 | ||
3901 | load_debug_section (str, file); | |
3902 | load_debug_section (line, file); | |
3903 | ||
3904 | printf (_("Contents of the %s section:\n\n"), section->name); | |
3905 | ||
3906 | while (curr < end) | |
3907 | { | |
3908 | unsigned int lineno, version, flags; | |
3909 | unsigned int offset_size = 4; | |
0c588247 | 3910 | const unsigned char *string; |
4ccf1e31 JJ |
3911 | dwarf_vma line_offset = 0, sec_offset = curr - start, offset; |
3912 | unsigned char **extended_ops = NULL; | |
3913 | ||
0c588247 | 3914 | SAFE_BYTE_GET_AND_INC (version, curr, 2, end); |
4ccf1e31 JJ |
3915 | if (version != 4) |
3916 | { | |
3917 | error (_("Only GNU extension to DWARF 4 of %s is currently supported.\n"), | |
3918 | section->name); | |
3919 | return 0; | |
3920 | } | |
3921 | ||
0c588247 | 3922 | SAFE_BYTE_GET_AND_INC (flags, curr, 1, end); |
4ccf1e31 JJ |
3923 | if (flags & 1) |
3924 | offset_size = 8; | |
3925 | printf (_(" Offset: 0x%lx\n"), | |
3926 | (unsigned long) sec_offset); | |
3927 | printf (_(" Version: %d\n"), version); | |
3928 | printf (_(" Offset size: %d\n"), offset_size); | |
3929 | if (flags & 2) | |
3930 | { | |
0c588247 | 3931 | SAFE_BYTE_GET_AND_INC (line_offset, curr, offset_size, end); |
4ccf1e31 JJ |
3932 | printf (_(" Offset into .debug_line: 0x%lx\n"), |
3933 | (unsigned long) line_offset); | |
3934 | } | |
3935 | if (flags & 4) | |
3936 | { | |
0c588247 | 3937 | unsigned int i, count, op; |
4ccf1e31 | 3938 | dwarf_vma nargs, n; |
0c588247 NC |
3939 | |
3940 | SAFE_BYTE_GET_AND_INC (count, curr, 1, end); | |
bf5117e3 | 3941 | |
4ccf1e31 JJ |
3942 | memset (extended_op_buf, 0, sizeof (extended_op_buf)); |
3943 | extended_ops = extended_op_buf; | |
3944 | if (count) | |
3945 | { | |
3946 | printf (_(" Extension opcode arguments:\n")); | |
3947 | for (i = 0; i < count; i++) | |
3948 | { | |
0c588247 | 3949 | SAFE_BYTE_GET_AND_INC (op, curr, 1, end); |
4ccf1e31 | 3950 | extended_ops[op] = curr; |
f6f0e17b | 3951 | nargs = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 JJ |
3952 | curr += bytes_read; |
3953 | if (nargs == 0) | |
3954 | printf (_(" DW_MACRO_GNU_%02x has no arguments\n"), op); | |
3955 | else | |
3956 | { | |
3957 | printf (_(" DW_MACRO_GNU_%02x arguments: "), op); | |
3958 | for (n = 0; n < nargs; n++) | |
3959 | { | |
0c588247 NC |
3960 | unsigned int form; |
3961 | ||
3962 | SAFE_BYTE_GET_AND_INC (form, curr, 1, end); | |
4ccf1e31 JJ |
3963 | printf ("%s%s", get_FORM_name (form), |
3964 | n == nargs - 1 ? "\n" : ", "); | |
3965 | switch (form) | |
3966 | { | |
3967 | case DW_FORM_data1: | |
3968 | case DW_FORM_data2: | |
3969 | case DW_FORM_data4: | |
3970 | case DW_FORM_data8: | |
3971 | case DW_FORM_sdata: | |
3972 | case DW_FORM_udata: | |
3973 | case DW_FORM_block: | |
3974 | case DW_FORM_block1: | |
3975 | case DW_FORM_block2: | |
3976 | case DW_FORM_block4: | |
3977 | case DW_FORM_flag: | |
3978 | case DW_FORM_string: | |
3979 | case DW_FORM_strp: | |
3980 | case DW_FORM_sec_offset: | |
3981 | break; | |
3982 | default: | |
3983 | error (_("Invalid extension opcode form %s\n"), | |
3984 | get_FORM_name (form)); | |
3985 | return 0; | |
3986 | } | |
3987 | } | |
3988 | } | |
3989 | } | |
3990 | } | |
3991 | } | |
3992 | printf ("\n"); | |
3993 | ||
3994 | while (1) | |
3995 | { | |
3996 | unsigned int op; | |
3997 | ||
3998 | if (curr >= end) | |
3999 | { | |
4000 | error (_(".debug_macro section not zero terminated\n")); | |
4001 | return 0; | |
4002 | } | |
4003 | ||
0c588247 | 4004 | SAFE_BYTE_GET_AND_INC (op, curr, 1, end); |
4ccf1e31 JJ |
4005 | if (op == 0) |
4006 | break; | |
4007 | ||
4008 | switch (op) | |
4009 | { | |
4010 | case DW_MACRO_GNU_start_file: | |
4011 | { | |
4012 | unsigned int filenum; | |
4013 | unsigned char *file_name = NULL, *dir_name = NULL; | |
4014 | ||
f6f0e17b | 4015 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 4016 | curr += bytes_read; |
f6f0e17b | 4017 | filenum = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 JJ |
4018 | curr += bytes_read; |
4019 | ||
4020 | if ((flags & 2) == 0) | |
4021 | error (_("DW_MACRO_GNU_start_file used, but no .debug_line offset provided.\n")); | |
4022 | else | |
4023 | file_name | |
4024 | = get_line_filename_and_dirname (line_offset, filenum, | |
4025 | &dir_name); | |
4026 | if (file_name == NULL) | |
4027 | printf (_(" DW_MACRO_GNU_start_file - lineno: %d filenum: %d\n"), | |
4028 | lineno, filenum); | |
4029 | else | |
4030 | printf (_(" DW_MACRO_GNU_start_file - lineno: %d filenum: %d filename: %s%s%s\n"), | |
4031 | lineno, filenum, | |
4032 | dir_name != NULL ? (const char *) dir_name : "", | |
4033 | dir_name != NULL ? "/" : "", file_name); | |
4034 | } | |
4035 | break; | |
4036 | ||
4037 | case DW_MACRO_GNU_end_file: | |
4038 | printf (_(" DW_MACRO_GNU_end_file\n")); | |
4039 | break; | |
4040 | ||
4041 | case DW_MACRO_GNU_define: | |
f6f0e17b | 4042 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 4043 | curr += bytes_read; |
0c588247 NC |
4044 | string = curr; |
4045 | curr += strnlen ((char *) string, end - string) + 1; | |
4ccf1e31 JJ |
4046 | printf (_(" DW_MACRO_GNU_define - lineno : %d macro : %s\n"), |
4047 | lineno, string); | |
4048 | break; | |
4049 | ||
4050 | case DW_MACRO_GNU_undef: | |
f6f0e17b | 4051 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 4052 | curr += bytes_read; |
0c588247 NC |
4053 | string = curr; |
4054 | curr += strnlen ((char *) string, end - string) + 1; | |
4ccf1e31 JJ |
4055 | printf (_(" DW_MACRO_GNU_undef - lineno : %d macro : %s\n"), |
4056 | lineno, string); | |
4057 | break; | |
4058 | ||
4059 | case DW_MACRO_GNU_define_indirect: | |
f6f0e17b | 4060 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 4061 | curr += bytes_read; |
0c588247 | 4062 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 JJ |
4063 | string = fetch_indirect_string (offset); |
4064 | printf (_(" DW_MACRO_GNU_define_indirect - lineno : %d macro : %s\n"), | |
4065 | lineno, string); | |
4066 | break; | |
4067 | ||
4068 | case DW_MACRO_GNU_undef_indirect: | |
f6f0e17b | 4069 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 4070 | curr += bytes_read; |
0c588247 | 4071 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 JJ |
4072 | string = fetch_indirect_string (offset); |
4073 | printf (_(" DW_MACRO_GNU_undef_indirect - lineno : %d macro : %s\n"), | |
4074 | lineno, string); | |
4075 | break; | |
4076 | ||
4077 | case DW_MACRO_GNU_transparent_include: | |
0c588247 | 4078 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 JJ |
4079 | printf (_(" DW_MACRO_GNU_transparent_include - offset : 0x%lx\n"), |
4080 | (unsigned long) offset); | |
4081 | break; | |
4082 | ||
a081f3cd | 4083 | case DW_MACRO_GNU_define_indirect_alt: |
f6f0e17b | 4084 | lineno = read_uleb128 (curr, &bytes_read, end); |
a081f3cd | 4085 | curr += bytes_read; |
0c588247 | 4086 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
a081f3cd JJ |
4087 | printf (_(" DW_MACRO_GNU_define_indirect_alt - lineno : %d macro offset : 0x%lx\n"), |
4088 | lineno, (unsigned long) offset); | |
4089 | break; | |
4090 | ||
4091 | case DW_MACRO_GNU_undef_indirect_alt: | |
f6f0e17b | 4092 | lineno = read_uleb128 (curr, &bytes_read, end); |
a081f3cd | 4093 | curr += bytes_read; |
0c588247 | 4094 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
a081f3cd JJ |
4095 | printf (_(" DW_MACRO_GNU_undef_indirect_alt - lineno : %d macro offset : 0x%lx\n"), |
4096 | lineno, (unsigned long) offset); | |
4097 | break; | |
4098 | ||
4099 | case DW_MACRO_GNU_transparent_include_alt: | |
0c588247 | 4100 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
a081f3cd JJ |
4101 | printf (_(" DW_MACRO_GNU_transparent_include_alt - offset : 0x%lx\n"), |
4102 | (unsigned long) offset); | |
4103 | break; | |
4104 | ||
4ccf1e31 JJ |
4105 | default: |
4106 | if (extended_ops == NULL || extended_ops[op] == NULL) | |
4107 | { | |
4108 | error (_(" Unknown macro opcode %02x seen\n"), op); | |
4109 | return 0; | |
4110 | } | |
4111 | else | |
4112 | { | |
4113 | /* Skip over unhandled opcodes. */ | |
4114 | dwarf_vma nargs, n; | |
4115 | unsigned char *desc = extended_ops[op]; | |
f6f0e17b | 4116 | nargs = read_uleb128 (desc, &bytes_read, end); |
4ccf1e31 JJ |
4117 | desc += bytes_read; |
4118 | if (nargs == 0) | |
4119 | { | |
4120 | printf (_(" DW_MACRO_GNU_%02x\n"), op); | |
4121 | break; | |
4122 | } | |
4123 | printf (_(" DW_MACRO_GNU_%02x -"), op); | |
4124 | for (n = 0; n < nargs; n++) | |
4125 | { | |
0c588247 NC |
4126 | int val; |
4127 | ||
4128 | SAFE_BYTE_GET_AND_INC (val, desc, 1, end); | |
4ccf1e31 | 4129 | curr |
0c588247 | 4130 | = read_and_display_attr_value (0, val, |
f6f0e17b | 4131 | curr, end, 0, 0, offset_size, |
341f9135 CC |
4132 | version, NULL, 0, NULL, |
4133 | NULL); | |
4ccf1e31 JJ |
4134 | if (n != nargs - 1) |
4135 | printf (","); | |
4136 | } | |
4137 | printf ("\n"); | |
4138 | } | |
4139 | break; | |
4140 | } | |
4141 | } | |
4142 | ||
4143 | printf ("\n"); | |
4144 | } | |
4145 | ||
4146 | return 1; | |
4147 | } | |
4148 | ||
19e6b90e L |
4149 | static int |
4150 | display_debug_abbrev (struct dwarf_section *section, | |
4151 | void *file ATTRIBUTE_UNUSED) | |
4152 | { | |
4153 | abbrev_entry *entry; | |
4154 | unsigned char *start = section->start; | |
4155 | unsigned char *end = start + section->size; | |
4156 | ||
4157 | printf (_("Contents of the %s section:\n\n"), section->name); | |
4158 | ||
4159 | do | |
4160 | { | |
7282333f AM |
4161 | unsigned char *last; |
4162 | ||
19e6b90e L |
4163 | free_abbrevs (); |
4164 | ||
7282333f | 4165 | last = start; |
19e6b90e L |
4166 | start = process_abbrev_section (start, end); |
4167 | ||
4168 | if (first_abbrev == NULL) | |
4169 | continue; | |
4170 | ||
7282333f | 4171 | printf (_(" Number TAG (0x%lx)\n"), (long) (last - section->start)); |
19e6b90e L |
4172 | |
4173 | for (entry = first_abbrev; entry; entry = entry->next) | |
4174 | { | |
4175 | abbrev_attr *attr; | |
4176 | ||
cc5914eb | 4177 | printf (" %ld %s [%s]\n", |
19e6b90e L |
4178 | entry->entry, |
4179 | get_TAG_name (entry->tag), | |
4180 | entry->children ? _("has children") : _("no children")); | |
4181 | ||
4182 | for (attr = entry->first_attr; attr; attr = attr->next) | |
cc5914eb | 4183 | printf (" %-18s %s\n", |
19e6b90e L |
4184 | get_AT_name (attr->attribute), |
4185 | get_FORM_name (attr->form)); | |
4186 | } | |
4187 | } | |
4188 | while (start); | |
4189 | ||
4190 | printf ("\n"); | |
4191 | ||
4192 | return 1; | |
4193 | } | |
4194 | ||
4723351a CC |
4195 | /* Display a location list from a normal (ie, non-dwo) .debug_loc section. */ |
4196 | ||
4197 | static void | |
4198 | display_loc_list (struct dwarf_section *section, | |
4199 | unsigned char **start_ptr, | |
4200 | int debug_info_entry, | |
4201 | unsigned long offset, | |
4202 | unsigned long base_address, | |
4203 | int has_frame_base) | |
4204 | { | |
4205 | unsigned char *start = *start_ptr; | |
4206 | unsigned char *section_end = section->start + section->size; | |
4207 | unsigned long cu_offset = debug_information [debug_info_entry].cu_offset; | |
4208 | unsigned int pointer_size = debug_information [debug_info_entry].pointer_size; | |
4209 | unsigned int offset_size = debug_information [debug_info_entry].offset_size; | |
4210 | int dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
4211 | ||
4212 | dwarf_vma begin; | |
4213 | dwarf_vma end; | |
4214 | unsigned short length; | |
4215 | int need_frame_base; | |
4216 | ||
f41e4712 NC |
4217 | if (pointer_size < 2 || pointer_size > 8) |
4218 | { | |
4219 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
4220 | pointer_size, debug_info_entry); | |
4221 | return; | |
4222 | } | |
4223 | ||
4723351a CC |
4224 | while (1) |
4225 | { | |
4226 | if (start + 2 * pointer_size > section_end) | |
4227 | { | |
4228 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
4229 | offset); | |
4230 | break; | |
4231 | } | |
4232 | ||
fab128ef CC |
4233 | printf (" %8.8lx ", offset + (start - *start_ptr)); |
4234 | ||
4723351a CC |
4235 | /* Note: we use sign extension here in order to be sure that we can detect |
4236 | the -1 escape value. Sign extension into the top 32 bits of a 32-bit | |
4237 | address will not affect the values that we display since we always show | |
4238 | hex values, and always the bottom 32-bits. */ | |
0c588247 NC |
4239 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end); |
4240 | SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end); | |
4723351a | 4241 | |
4723351a CC |
4242 | if (begin == 0 && end == 0) |
4243 | { | |
4244 | printf (_("<End of list>\n")); | |
4245 | break; | |
4246 | } | |
4247 | ||
4248 | /* Check base address specifiers. */ | |
4249 | if (begin == (dwarf_vma) -1 && end != (dwarf_vma) -1) | |
4250 | { | |
4251 | base_address = end; | |
4252 | print_dwarf_vma (begin, pointer_size); | |
4253 | print_dwarf_vma (end, pointer_size); | |
4254 | printf (_("(base address)\n")); | |
4255 | continue; | |
4256 | } | |
4257 | ||
4258 | if (start + 2 > section_end) | |
4259 | { | |
4260 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
4261 | offset); | |
4262 | break; | |
4263 | } | |
4264 | ||
0c588247 | 4265 | SAFE_BYTE_GET_AND_INC (length, start, 2, section_end); |
4723351a CC |
4266 | |
4267 | if (start + length > section_end) | |
4268 | { | |
4269 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
4270 | offset); | |
4271 | break; | |
4272 | } | |
4273 | ||
4274 | print_dwarf_vma (begin + base_address, pointer_size); | |
4275 | print_dwarf_vma (end + base_address, pointer_size); | |
4276 | ||
4277 | putchar ('('); | |
4278 | need_frame_base = decode_location_expression (start, | |
4279 | pointer_size, | |
4280 | offset_size, | |
4281 | dwarf_version, | |
4282 | length, | |
4283 | cu_offset, section); | |
4284 | putchar (')'); | |
4285 | ||
4286 | if (need_frame_base && !has_frame_base) | |
4287 | printf (_(" [without DW_AT_frame_base]")); | |
4288 | ||
4289 | if (begin == end) | |
4290 | fputs (_(" (start == end)"), stdout); | |
4291 | else if (begin > end) | |
4292 | fputs (_(" (start > end)"), stdout); | |
4293 | ||
4294 | putchar ('\n'); | |
4295 | ||
4296 | start += length; | |
4297 | } | |
4298 | ||
4299 | *start_ptr = start; | |
4300 | } | |
4301 | ||
fab128ef CC |
4302 | /* Print a .debug_addr table index in decimal, surrounded by square brackets, |
4303 | right-adjusted in a field of length LEN, and followed by a space. */ | |
4304 | ||
4305 | static void | |
4306 | print_addr_index (unsigned int idx, unsigned int len) | |
4307 | { | |
4308 | static char buf[15]; | |
4309 | snprintf (buf, sizeof (buf), "[%d]", idx); | |
341f9135 | 4310 | printf ("%*s ", len, buf); |
fab128ef CC |
4311 | } |
4312 | ||
4723351a CC |
4313 | /* Display a location list from a .dwo section. It uses address indexes rather |
4314 | than embedded addresses. This code closely follows display_loc_list, but the | |
4315 | two are sufficiently different that combining things is very ugly. */ | |
4316 | ||
4317 | static void | |
4318 | display_loc_list_dwo (struct dwarf_section *section, | |
4319 | unsigned char **start_ptr, | |
4320 | int debug_info_entry, | |
4321 | unsigned long offset, | |
4322 | int has_frame_base) | |
4323 | { | |
4324 | unsigned char *start = *start_ptr; | |
4325 | unsigned char *section_end = section->start + section->size; | |
4326 | unsigned long cu_offset = debug_information [debug_info_entry].cu_offset; | |
4327 | unsigned int pointer_size = debug_information [debug_info_entry].pointer_size; | |
4328 | unsigned int offset_size = debug_information [debug_info_entry].offset_size; | |
4329 | int dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
4330 | int entry_type; | |
4331 | unsigned short length; | |
4332 | int need_frame_base; | |
fab128ef | 4333 | unsigned int idx; |
4723351a CC |
4334 | unsigned int bytes_read; |
4335 | ||
f41e4712 NC |
4336 | if (pointer_size < 2 || pointer_size > 8) |
4337 | { | |
4338 | warn (_("Invalid pointer size (%d) in debug info for entry %d\n"), | |
4339 | pointer_size, debug_info_entry); | |
4340 | return; | |
4341 | } | |
4342 | ||
4723351a CC |
4343 | while (1) |
4344 | { | |
fab128ef | 4345 | printf (" %8.8lx ", offset + (start - *start_ptr)); |
4723351a | 4346 | |
fab128ef | 4347 | if (start >= section_end) |
4723351a CC |
4348 | { |
4349 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
4350 | offset); | |
4351 | break; | |
4352 | } | |
4353 | ||
0c588247 | 4354 | SAFE_BYTE_GET_AND_INC (entry_type, start, 1, section_end); |
4723351a CC |
4355 | switch (entry_type) |
4356 | { | |
4357 | case 0: /* A terminating entry. */ | |
4723351a | 4358 | *start_ptr = start; |
fab128ef | 4359 | printf (_("<End of list>\n")); |
4723351a CC |
4360 | return; |
4361 | case 1: /* A base-address entry. */ | |
f6f0e17b | 4362 | idx = read_uleb128 (start, &bytes_read, section_end); |
4723351a | 4363 | start += bytes_read; |
fab128ef CC |
4364 | print_addr_index (idx, 8); |
4365 | printf (" "); | |
4366 | printf (_("(base address selection entry)\n")); | |
4723351a | 4367 | continue; |
fab128ef | 4368 | case 2: /* A start/end entry. */ |
f6f0e17b | 4369 | idx = read_uleb128 (start, &bytes_read, section_end); |
fab128ef CC |
4370 | start += bytes_read; |
4371 | print_addr_index (idx, 8); | |
f6f0e17b | 4372 | idx = read_uleb128 (start, &bytes_read, section_end); |
4723351a | 4373 | start += bytes_read; |
fab128ef CC |
4374 | print_addr_index (idx, 8); |
4375 | break; | |
4376 | case 3: /* A start/length entry. */ | |
f6f0e17b | 4377 | idx = read_uleb128 (start, &bytes_read, section_end); |
4723351a | 4378 | start += bytes_read; |
fab128ef | 4379 | print_addr_index (idx, 8); |
0c588247 | 4380 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); |
fab128ef CC |
4381 | printf ("%08x ", idx); |
4382 | break; | |
4383 | case 4: /* An offset pair entry. */ | |
0c588247 | 4384 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); |
fab128ef | 4385 | printf ("%08x ", idx); |
0c588247 | 4386 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); |
fab128ef | 4387 | printf ("%08x ", idx); |
4723351a CC |
4388 | break; |
4389 | default: | |
fab128ef | 4390 | warn (_("Unknown location list entry type 0x%x.\n"), entry_type); |
4723351a CC |
4391 | *start_ptr = start; |
4392 | return; | |
4393 | } | |
4394 | ||
4395 | if (start + 2 > section_end) | |
4396 | { | |
4397 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
4398 | offset); | |
4399 | break; | |
4400 | } | |
4401 | ||
0c588247 | 4402 | SAFE_BYTE_GET_AND_INC (length, start, 2, section_end); |
4723351a CC |
4403 | if (start + length > section_end) |
4404 | { | |
4405 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
4406 | offset); | |
4407 | break; | |
4408 | } | |
4409 | ||
4410 | putchar ('('); | |
4411 | need_frame_base = decode_location_expression (start, | |
4412 | pointer_size, | |
4413 | offset_size, | |
4414 | dwarf_version, | |
4415 | length, | |
4416 | cu_offset, section); | |
4417 | putchar (')'); | |
4418 | ||
4419 | if (need_frame_base && !has_frame_base) | |
4420 | printf (_(" [without DW_AT_frame_base]")); | |
4421 | ||
4422 | putchar ('\n'); | |
4423 | ||
4424 | start += length; | |
4425 | } | |
4426 | ||
4427 | *start_ptr = start; | |
4428 | } | |
4429 | ||
51d0d03f JJ |
4430 | /* Sort array of indexes in ascending order of loc_offsets[idx]. */ |
4431 | ||
4432 | static dwarf_vma *loc_offsets; | |
4433 | ||
4434 | static int | |
4435 | loc_offsets_compar (const void *ap, const void *bp) | |
4436 | { | |
4437 | dwarf_vma a = loc_offsets[*(const unsigned int *) ap]; | |
4438 | dwarf_vma b = loc_offsets[*(const unsigned int *) bp]; | |
4439 | ||
4440 | return (a > b) - (b > a); | |
4441 | } | |
4442 | ||
19e6b90e L |
4443 | static int |
4444 | display_debug_loc (struct dwarf_section *section, void *file) | |
4445 | { | |
4446 | unsigned char *start = section->start; | |
19e6b90e L |
4447 | unsigned long bytes; |
4448 | unsigned char *section_begin = start; | |
4449 | unsigned int num_loc_list = 0; | |
4450 | unsigned long last_offset = 0; | |
4451 | unsigned int first = 0; | |
4452 | unsigned int i; | |
4453 | unsigned int j; | |
51d0d03f | 4454 | unsigned int k; |
19e6b90e | 4455 | int seen_first_offset = 0; |
51d0d03f | 4456 | int locs_sorted = 1; |
19e6b90e | 4457 | unsigned char *next; |
51d0d03f | 4458 | unsigned int *array = NULL; |
4723351a CC |
4459 | const char *suffix = strrchr (section->name, '.'); |
4460 | int is_dwo = 0; | |
4461 | ||
4462 | if (suffix && strcmp (suffix, ".dwo") == 0) | |
4463 | is_dwo = 1; | |
19e6b90e L |
4464 | |
4465 | bytes = section->size; | |
19e6b90e L |
4466 | |
4467 | if (bytes == 0) | |
4468 | { | |
4469 | printf (_("\nThe %s section is empty.\n"), section->name); | |
4470 | return 0; | |
4471 | } | |
4472 | ||
1febe64d NC |
4473 | if (load_debug_info (file) == 0) |
4474 | { | |
4475 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
4476 | section->name); | |
4477 | return 0; | |
4478 | } | |
19e6b90e L |
4479 | |
4480 | /* Check the order of location list in .debug_info section. If | |
4481 | offsets of location lists are in the ascending order, we can | |
4482 | use `debug_information' directly. */ | |
4483 | for (i = 0; i < num_debug_info_entries; i++) | |
4484 | { | |
4485 | unsigned int num; | |
4486 | ||
4487 | num = debug_information [i].num_loc_offsets; | |
51d0d03f JJ |
4488 | if (num > num_loc_list) |
4489 | num_loc_list = num; | |
19e6b90e L |
4490 | |
4491 | /* Check if we can use `debug_information' directly. */ | |
51d0d03f | 4492 | if (locs_sorted && num != 0) |
19e6b90e L |
4493 | { |
4494 | if (!seen_first_offset) | |
4495 | { | |
4496 | /* This is the first location list. */ | |
4497 | last_offset = debug_information [i].loc_offsets [0]; | |
4498 | first = i; | |
4499 | seen_first_offset = 1; | |
4500 | j = 1; | |
4501 | } | |
4502 | else | |
4503 | j = 0; | |
4504 | ||
4505 | for (; j < num; j++) | |
4506 | { | |
4507 | if (last_offset > | |
4508 | debug_information [i].loc_offsets [j]) | |
4509 | { | |
51d0d03f | 4510 | locs_sorted = 0; |
19e6b90e L |
4511 | break; |
4512 | } | |
4513 | last_offset = debug_information [i].loc_offsets [j]; | |
4514 | } | |
4515 | } | |
4516 | } | |
4517 | ||
19e6b90e L |
4518 | if (!seen_first_offset) |
4519 | error (_("No location lists in .debug_info section!\n")); | |
4520 | ||
d4bfc77b | 4521 | if (debug_information [first].num_loc_offsets > 0 |
d493b283 | 4522 | && debug_information [first].loc_offsets [0] != 0) |
47704ddf KT |
4523 | warn (_("Location lists in %s section start at 0x%s\n"), |
4524 | section->name, | |
4525 | dwarf_vmatoa ("x", debug_information [first].loc_offsets [0])); | |
19e6b90e | 4526 | |
51d0d03f JJ |
4527 | if (!locs_sorted) |
4528 | array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int)); | |
19e6b90e | 4529 | printf (_("Contents of the %s section:\n\n"), section->name); |
fab128ef | 4530 | printf (_(" Offset Begin End Expression\n")); |
19e6b90e L |
4531 | |
4532 | seen_first_offset = 0; | |
4533 | for (i = first; i < num_debug_info_entries; i++) | |
4534 | { | |
19e6b90e | 4535 | unsigned long offset; |
19e6b90e | 4536 | unsigned long base_address; |
19e6b90e L |
4537 | int has_frame_base; |
4538 | ||
51d0d03f JJ |
4539 | if (!locs_sorted) |
4540 | { | |
4541 | for (k = 0; k < debug_information [i].num_loc_offsets; k++) | |
4542 | array[k] = k; | |
4543 | loc_offsets = debug_information [i].loc_offsets; | |
4544 | qsort (array, debug_information [i].num_loc_offsets, | |
4545 | sizeof (*array), loc_offsets_compar); | |
4546 | } | |
19e6b90e | 4547 | |
51d0d03f | 4548 | for (k = 0; k < debug_information [i].num_loc_offsets; k++) |
19e6b90e | 4549 | { |
51d0d03f JJ |
4550 | j = locs_sorted ? k : array[k]; |
4551 | if (k | |
4552 | && debug_information [i].loc_offsets [locs_sorted | |
4553 | ? k - 1 : array [k - 1]] | |
4554 | == debug_information [i].loc_offsets [j]) | |
4555 | continue; | |
19e6b90e | 4556 | has_frame_base = debug_information [i].have_frame_base [j]; |
d493b283 | 4557 | offset = debug_information [i].loc_offsets [j]; |
19e6b90e L |
4558 | next = section_begin + offset; |
4559 | base_address = debug_information [i].base_address; | |
4560 | ||
4561 | if (!seen_first_offset) | |
4562 | seen_first_offset = 1; | |
4563 | else | |
4564 | { | |
4565 | if (start < next) | |
4566 | warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e AM |
4567 | (unsigned long) (start - section_begin), |
4568 | (unsigned long) (next - section_begin)); | |
19e6b90e L |
4569 | else if (start > next) |
4570 | warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e AM |
4571 | (unsigned long) (start - section_begin), |
4572 | (unsigned long) (next - section_begin)); | |
19e6b90e L |
4573 | } |
4574 | start = next; | |
4575 | ||
4576 | if (offset >= bytes) | |
4577 | { | |
4578 | warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"), | |
4579 | offset); | |
4580 | continue; | |
4581 | } | |
4582 | ||
4723351a CC |
4583 | if (is_dwo) |
4584 | display_loc_list_dwo (section, &start, i, offset, has_frame_base); | |
4585 | else | |
4586 | display_loc_list (section, &start, i, offset, base_address, | |
4587 | has_frame_base); | |
19e6b90e L |
4588 | } |
4589 | } | |
031cd65f | 4590 | |
4723351a | 4591 | if (start < section->start + section->size) |
031cd65f | 4592 | warn (_("There are %ld unused bytes at the end of section %s\n"), |
4723351a | 4593 | (long) (section->start + section->size - start), section->name); |
98fb390a | 4594 | putchar ('\n'); |
51d0d03f | 4595 | free (array); |
19e6b90e L |
4596 | return 1; |
4597 | } | |
4598 | ||
4599 | static int | |
4600 | display_debug_str (struct dwarf_section *section, | |
4601 | void *file ATTRIBUTE_UNUSED) | |
4602 | { | |
4603 | unsigned char *start = section->start; | |
4604 | unsigned long bytes = section->size; | |
4605 | dwarf_vma addr = section->address; | |
4606 | ||
4607 | if (bytes == 0) | |
4608 | { | |
4609 | printf (_("\nThe %s section is empty.\n"), section->name); | |
4610 | return 0; | |
4611 | } | |
4612 | ||
4613 | printf (_("Contents of the %s section:\n\n"), section->name); | |
4614 | ||
4615 | while (bytes) | |
4616 | { | |
4617 | int j; | |
4618 | int k; | |
4619 | int lbytes; | |
4620 | ||
4621 | lbytes = (bytes > 16 ? 16 : bytes); | |
4622 | ||
4623 | printf (" 0x%8.8lx ", (unsigned long) addr); | |
4624 | ||
4625 | for (j = 0; j < 16; j++) | |
4626 | { | |
4627 | if (j < lbytes) | |
4628 | printf ("%2.2x", start[j]); | |
4629 | else | |
4630 | printf (" "); | |
4631 | ||
4632 | if ((j & 3) == 3) | |
4633 | printf (" "); | |
4634 | } | |
4635 | ||
4636 | for (j = 0; j < lbytes; j++) | |
4637 | { | |
4638 | k = start[j]; | |
4639 | if (k >= ' ' && k < 0x80) | |
4640 | printf ("%c", k); | |
4641 | else | |
4642 | printf ("."); | |
4643 | } | |
4644 | ||
4645 | putchar ('\n'); | |
4646 | ||
4647 | start += lbytes; | |
4648 | addr += lbytes; | |
4649 | bytes -= lbytes; | |
4650 | } | |
4651 | ||
4652 | putchar ('\n'); | |
4653 | ||
4654 | return 1; | |
4655 | } | |
4656 | ||
19e6b90e L |
4657 | static int |
4658 | display_debug_info (struct dwarf_section *section, void *file) | |
4659 | { | |
4723351a | 4660 | return process_debug_info (section, file, section->abbrev_sec, 0, 0); |
19e6b90e L |
4661 | } |
4662 | ||
2b6f5997 CC |
4663 | static int |
4664 | display_debug_types (struct dwarf_section *section, void *file) | |
4665 | { | |
4723351a | 4666 | return process_debug_info (section, file, section->abbrev_sec, 0, 1); |
6f875884 TG |
4667 | } |
4668 | ||
4669 | static int | |
4670 | display_trace_info (struct dwarf_section *section, void *file) | |
4671 | { | |
4723351a | 4672 | return process_debug_info (section, file, section->abbrev_sec, 0, 0); |
2b6f5997 | 4673 | } |
19e6b90e L |
4674 | |
4675 | static int | |
4676 | display_debug_aranges (struct dwarf_section *section, | |
4677 | void *file ATTRIBUTE_UNUSED) | |
4678 | { | |
4679 | unsigned char *start = section->start; | |
4680 | unsigned char *end = start + section->size; | |
4681 | ||
80c35038 | 4682 | printf (_("Contents of the %s section:\n\n"), section->name); |
19e6b90e | 4683 | |
6e3d6dc1 NC |
4684 | /* It does not matter if this load fails, |
4685 | we test for that later on. */ | |
4686 | load_debug_info (file); | |
4687 | ||
19e6b90e L |
4688 | while (start < end) |
4689 | { | |
4690 | unsigned char *hdrptr; | |
4691 | DWARF2_Internal_ARange arange; | |
91d6fa6a | 4692 | unsigned char *addr_ranges; |
2d9472a2 NC |
4693 | dwarf_vma length; |
4694 | dwarf_vma address; | |
53b8873b | 4695 | unsigned char address_size; |
19e6b90e | 4696 | int excess; |
bf5117e3 NC |
4697 | unsigned int offset_size; |
4698 | unsigned int initial_length_size; | |
19e6b90e L |
4699 | |
4700 | hdrptr = start; | |
4701 | ||
0c588247 | 4702 | SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 4, end); |
19e6b90e L |
4703 | if (arange.ar_length == 0xffffffff) |
4704 | { | |
0c588247 | 4705 | SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 8, end); |
19e6b90e L |
4706 | offset_size = 8; |
4707 | initial_length_size = 12; | |
4708 | } | |
4709 | else | |
4710 | { | |
4711 | offset_size = 4; | |
4712 | initial_length_size = 4; | |
4713 | } | |
4714 | ||
0c588247 NC |
4715 | SAFE_BYTE_GET_AND_INC (arange.ar_version, hdrptr, 2, end); |
4716 | SAFE_BYTE_GET_AND_INC (arange.ar_info_offset, hdrptr, offset_size, end); | |
19e6b90e | 4717 | |
6e3d6dc1 NC |
4718 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE |
4719 | && num_debug_info_entries > 0 | |
4720 | && find_debug_info_for_offset (arange.ar_info_offset) == NULL) | |
4721 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), | |
47704ddf | 4722 | (unsigned long) arange.ar_info_offset, section->name); |
6e3d6dc1 | 4723 | |
0c588247 NC |
4724 | SAFE_BYTE_GET_AND_INC (arange.ar_pointer_size, hdrptr, 1, end); |
4725 | SAFE_BYTE_GET_AND_INC (arange.ar_segment_size, hdrptr, 1, end); | |
19e6b90e L |
4726 | |
4727 | if (arange.ar_version != 2 && arange.ar_version != 3) | |
4728 | { | |
4729 | warn (_("Only DWARF 2 and 3 aranges are currently supported.\n")); | |
4730 | break; | |
4731 | } | |
4732 | ||
47704ddf KT |
4733 | printf (_(" Length: %ld\n"), |
4734 | (long) arange.ar_length); | |
19e6b90e | 4735 | printf (_(" Version: %d\n"), arange.ar_version); |
47704ddf KT |
4736 | printf (_(" Offset into .debug_info: 0x%lx\n"), |
4737 | (unsigned long) arange.ar_info_offset); | |
19e6b90e L |
4738 | printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size); |
4739 | printf (_(" Segment Size: %d\n"), arange.ar_segment_size); | |
4740 | ||
53b8873b NC |
4741 | address_size = arange.ar_pointer_size + arange.ar_segment_size; |
4742 | ||
f41e4712 NC |
4743 | /* PR 17512: file: 001-108546-0.001:0.1. */ |
4744 | if (address_size == 0 || address_size > 8) | |
b3681d67 L |
4745 | { |
4746 | error (_("Invalid address size in %s section!\n"), | |
4747 | section->name); | |
4748 | break; | |
4749 | } | |
4750 | ||
53b8873b NC |
4751 | /* The DWARF spec does not require that the address size be a power |
4752 | of two, but we do. This will have to change if we ever encounter | |
4753 | an uneven architecture. */ | |
4754 | if ((address_size & (address_size - 1)) != 0) | |
4755 | { | |
4756 | warn (_("Pointer size + Segment size is not a power of two.\n")); | |
4757 | break; | |
4758 | } | |
cecf136e | 4759 | |
209c9a13 NC |
4760 | if (address_size > 4) |
4761 | printf (_("\n Address Length\n")); | |
4762 | else | |
4763 | printf (_("\n Address Length\n")); | |
19e6b90e | 4764 | |
91d6fa6a | 4765 | addr_ranges = hdrptr; |
19e6b90e | 4766 | |
53b8873b NC |
4767 | /* Must pad to an alignment boundary that is twice the address size. */ |
4768 | excess = (hdrptr - start) % (2 * address_size); | |
19e6b90e | 4769 | if (excess) |
91d6fa6a | 4770 | addr_ranges += (2 * address_size) - excess; |
19e6b90e | 4771 | |
1617e571 AM |
4772 | start += arange.ar_length + initial_length_size; |
4773 | ||
91d6fa6a | 4774 | while (addr_ranges + 2 * address_size <= start) |
19e6b90e | 4775 | { |
0c588247 NC |
4776 | SAFE_BYTE_GET_AND_INC (address, addr_ranges, address_size, end); |
4777 | SAFE_BYTE_GET_AND_INC (length, addr_ranges, address_size, end); | |
19e6b90e | 4778 | |
80c35038 | 4779 | printf (" "); |
2d9472a2 NC |
4780 | print_dwarf_vma (address, address_size); |
4781 | print_dwarf_vma (length, address_size); | |
4782 | putchar ('\n'); | |
19e6b90e | 4783 | } |
19e6b90e L |
4784 | } |
4785 | ||
4786 | printf ("\n"); | |
4787 | ||
4788 | return 1; | |
4789 | } | |
4790 | ||
4723351a CC |
4791 | /* Comparison function for qsort. */ |
4792 | static int | |
4793 | comp_addr_base (const void * v0, const void * v1) | |
4794 | { | |
4795 | debug_info * info0 = (debug_info *) v0; | |
4796 | debug_info * info1 = (debug_info *) v1; | |
4797 | return info0->addr_base - info1->addr_base; | |
4798 | } | |
4799 | ||
4800 | /* Display the debug_addr section. */ | |
4801 | static int | |
4802 | display_debug_addr (struct dwarf_section *section, | |
4803 | void *file) | |
4804 | { | |
4805 | debug_info **debug_addr_info; | |
4806 | unsigned char *entry; | |
4807 | unsigned char *end; | |
4808 | unsigned int i; | |
4809 | unsigned int count; | |
4810 | ||
4811 | if (section->size == 0) | |
4812 | { | |
4813 | printf (_("\nThe %s section is empty.\n"), section->name); | |
4814 | return 0; | |
4815 | } | |
4816 | ||
4817 | if (load_debug_info (file) == 0) | |
4818 | { | |
4819 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
4820 | section->name); | |
4821 | return 0; | |
4822 | } | |
4823 | ||
4824 | printf (_("Contents of the %s section:\n\n"), section->name); | |
4825 | ||
90f9a987 | 4826 | debug_addr_info = (debug_info **) xmalloc ((num_debug_info_entries + 1) |
4723351a CC |
4827 | * sizeof (debug_info *)); |
4828 | ||
4829 | count = 0; | |
4830 | for (i = 0; i < num_debug_info_entries; i++) | |
4831 | { | |
4832 | if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE) | |
4833 | debug_addr_info [count++] = &debug_information [i]; | |
4834 | } | |
4835 | ||
4836 | /* Add a sentinel to make iteration convenient. */ | |
4837 | debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info)); | |
4838 | debug_addr_info [count]->addr_base = section->size; | |
4839 | ||
4840 | qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base); | |
4841 | for (i = 0; i < count; i++) | |
4842 | { | |
4843 | unsigned int idx; | |
fab128ef | 4844 | unsigned int address_size = debug_addr_info [i]->pointer_size; |
4723351a CC |
4845 | |
4846 | printf (_(" For compilation unit at offset 0x%s:\n"), | |
4847 | dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset)); | |
4848 | ||
fab128ef | 4849 | printf (_("\tIndex\tAddress\n")); |
4723351a CC |
4850 | entry = section->start + debug_addr_info [i]->addr_base; |
4851 | end = section->start + debug_addr_info [i + 1]->addr_base; | |
4852 | idx = 0; | |
4853 | while (entry < end) | |
4854 | { | |
fab128ef CC |
4855 | dwarf_vma base = byte_get (entry, address_size); |
4856 | printf (_("\t%d:\t"), idx); | |
4857 | print_dwarf_vma (base, address_size); | |
4858 | printf ("\n"); | |
4859 | entry += address_size; | |
4723351a CC |
4860 | idx++; |
4861 | } | |
4862 | } | |
4863 | printf ("\n"); | |
4864 | ||
4865 | free (debug_addr_info); | |
4866 | return 1; | |
4867 | } | |
4868 | ||
4869 | /* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */ | |
4870 | static int | |
4871 | display_debug_str_offsets (struct dwarf_section *section, | |
4872 | void *file ATTRIBUTE_UNUSED) | |
4873 | { | |
4874 | if (section->size == 0) | |
4875 | { | |
4876 | printf (_("\nThe %s section is empty.\n"), section->name); | |
4877 | return 0; | |
4878 | } | |
4879 | /* TODO: Dump the contents. This is made somewhat difficult by not knowing | |
4880 | what the offset size is for this section. */ | |
4881 | return 1; | |
4882 | } | |
4883 | ||
01a8f077 JK |
4884 | /* Each debug_information[x].range_lists[y] gets this representation for |
4885 | sorting purposes. */ | |
4886 | ||
4887 | struct range_entry | |
467c65bc NC |
4888 | { |
4889 | /* The debug_information[x].range_lists[y] value. */ | |
4890 | unsigned long ranges_offset; | |
01a8f077 | 4891 | |
467c65bc NC |
4892 | /* Original debug_information to find parameters of the data. */ |
4893 | debug_info *debug_info_p; | |
4894 | }; | |
01a8f077 JK |
4895 | |
4896 | /* Sort struct range_entry in ascending order of its RANGES_OFFSET. */ | |
4897 | ||
4898 | static int | |
4899 | range_entry_compar (const void *ap, const void *bp) | |
4900 | { | |
3f5e193b NC |
4901 | const struct range_entry *a_re = (const struct range_entry *) ap; |
4902 | const struct range_entry *b_re = (const struct range_entry *) bp; | |
01a8f077 JK |
4903 | const unsigned long a = a_re->ranges_offset; |
4904 | const unsigned long b = b_re->ranges_offset; | |
4905 | ||
4906 | return (a > b) - (b > a); | |
4907 | } | |
4908 | ||
19e6b90e L |
4909 | static int |
4910 | display_debug_ranges (struct dwarf_section *section, | |
4911 | void *file ATTRIBUTE_UNUSED) | |
4912 | { | |
4913 | unsigned char *start = section->start; | |
a2ff7a4b | 4914 | unsigned char *last_start = start; |
f6f0e17b | 4915 | unsigned long bytes = section->size; |
19e6b90e | 4916 | unsigned char *section_begin = start; |
f6f0e17b | 4917 | unsigned char *finish = start + bytes; |
01a8f077 JK |
4918 | unsigned int num_range_list, i; |
4919 | struct range_entry *range_entries, *range_entry_fill; | |
19e6b90e | 4920 | |
19e6b90e L |
4921 | if (bytes == 0) |
4922 | { | |
4923 | printf (_("\nThe %s section is empty.\n"), section->name); | |
4924 | return 0; | |
4925 | } | |
4926 | ||
1febe64d NC |
4927 | if (load_debug_info (file) == 0) |
4928 | { | |
4929 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
4930 | section->name); | |
4931 | return 0; | |
4932 | } | |
19e6b90e | 4933 | |
01a8f077 | 4934 | num_range_list = 0; |
19e6b90e | 4935 | for (i = 0; i < num_debug_info_entries; i++) |
01a8f077 | 4936 | num_range_list += debug_information [i].num_range_lists; |
19e6b90e | 4937 | |
01a8f077 | 4938 | if (num_range_list == 0) |
4723351a CC |
4939 | { |
4940 | /* This can happen when the file was compiled with -gsplit-debug | |
4941 | which removes references to range lists from the primary .o file. */ | |
4942 | printf (_("No range lists in .debug_info section.\n")); | |
4943 | return 1; | |
4944 | } | |
19e6b90e | 4945 | |
3f5e193b NC |
4946 | range_entries = (struct range_entry *) |
4947 | xmalloc (sizeof (*range_entries) * num_range_list); | |
01a8f077 | 4948 | range_entry_fill = range_entries; |
19e6b90e | 4949 | |
01a8f077 JK |
4950 | for (i = 0; i < num_debug_info_entries; i++) |
4951 | { | |
4952 | debug_info *debug_info_p = &debug_information[i]; | |
4953 | unsigned int j; | |
4954 | ||
4955 | for (j = 0; j < debug_info_p->num_range_lists; j++) | |
4956 | { | |
4957 | range_entry_fill->ranges_offset = debug_info_p->range_lists[j]; | |
4958 | range_entry_fill->debug_info_p = debug_info_p; | |
4959 | range_entry_fill++; | |
19e6b90e L |
4960 | } |
4961 | } | |
4962 | ||
01a8f077 JK |
4963 | qsort (range_entries, num_range_list, sizeof (*range_entries), |
4964 | range_entry_compar); | |
19e6b90e | 4965 | |
d493b283 | 4966 | if (dwarf_check != 0 && range_entries[0].ranges_offset != 0) |
19e6b90e | 4967 | warn (_("Range lists in %s section start at 0x%lx\n"), |
01a8f077 | 4968 | section->name, range_entries[0].ranges_offset); |
19e6b90e L |
4969 | |
4970 | printf (_("Contents of the %s section:\n\n"), section->name); | |
4971 | printf (_(" Offset Begin End\n")); | |
4972 | ||
01a8f077 | 4973 | for (i = 0; i < num_range_list; i++) |
19e6b90e | 4974 | { |
01a8f077 JK |
4975 | struct range_entry *range_entry = &range_entries[i]; |
4976 | debug_info *debug_info_p = range_entry->debug_info_p; | |
19e6b90e | 4977 | unsigned int pointer_size; |
01a8f077 JK |
4978 | unsigned long offset; |
4979 | unsigned char *next; | |
19e6b90e L |
4980 | unsigned long base_address; |
4981 | ||
01a8f077 | 4982 | pointer_size = debug_info_p->pointer_size; |
d493b283 | 4983 | offset = range_entry->ranges_offset; |
01a8f077 JK |
4984 | next = section_begin + offset; |
4985 | base_address = debug_info_p->base_address; | |
cecf136e | 4986 | |
f41e4712 NC |
4987 | /* PR 17512: file: 001-101485-0.001:0.1. */ |
4988 | if (pointer_size < 2 || pointer_size > 8) | |
4989 | { | |
4990 | warn (_("Corrupt pointer size (%d) in debug entry at offset %8.8lx\n"), | |
4991 | pointer_size, offset); | |
4992 | continue; | |
4993 | } | |
4994 | ||
4723351a | 4995 | if (dwarf_check != 0 && i > 0) |
19e6b90e | 4996 | { |
01a8f077 JK |
4997 | if (start < next) |
4998 | warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"), | |
4999 | (unsigned long) (start - section_begin), | |
5000 | (unsigned long) (next - section_begin), section->name); | |
5001 | else if (start > next) | |
a2ff7a4b AM |
5002 | { |
5003 | if (next == last_start) | |
5004 | continue; | |
5005 | warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"), | |
5006 | (unsigned long) (start - section_begin), | |
5007 | (unsigned long) (next - section_begin), section->name); | |
5008 | } | |
01a8f077 JK |
5009 | } |
5010 | start = next; | |
a2ff7a4b | 5011 | last_start = next; |
19e6b90e | 5012 | |
f6f0e17b | 5013 | while (start < finish) |
01a8f077 JK |
5014 | { |
5015 | dwarf_vma begin; | |
5016 | dwarf_vma end; | |
5017 | ||
5018 | /* Note: we use sign extension here in order to be sure that | |
5019 | we can detect the -1 escape value. Sign extension into the | |
5020 | top 32 bits of a 32-bit address will not affect the values | |
5021 | that we display since we always show hex values, and always | |
5022 | the bottom 32-bits. */ | |
0c588247 | 5023 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); |
f6f0e17b NC |
5024 | if (start >= finish) |
5025 | break; | |
0c588247 | 5026 | SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish); |
01a8f077 JK |
5027 | |
5028 | printf (" %8.8lx ", offset); | |
5029 | ||
5030 | if (begin == 0 && end == 0) | |
19e6b90e | 5031 | { |
01a8f077 JK |
5032 | printf (_("<End of list>\n")); |
5033 | break; | |
19e6b90e | 5034 | } |
19e6b90e | 5035 | |
01a8f077 JK |
5036 | /* Check base address specifiers. */ |
5037 | if (begin == (dwarf_vma) -1 && end != (dwarf_vma) -1) | |
19e6b90e | 5038 | { |
01a8f077 JK |
5039 | base_address = end; |
5040 | print_dwarf_vma (begin, pointer_size); | |
5041 | print_dwarf_vma (end, pointer_size); | |
5042 | printf ("(base address)\n"); | |
5043 | continue; | |
5044 | } | |
19e6b90e | 5045 | |
01a8f077 JK |
5046 | print_dwarf_vma (begin + base_address, pointer_size); |
5047 | print_dwarf_vma (end + base_address, pointer_size); | |
4a149252 | 5048 | |
01a8f077 JK |
5049 | if (begin == end) |
5050 | fputs (_("(start == end)"), stdout); | |
5051 | else if (begin > end) | |
5052 | fputs (_("(start > end)"), stdout); | |
19e6b90e | 5053 | |
01a8f077 | 5054 | putchar ('\n'); |
19e6b90e L |
5055 | } |
5056 | } | |
5057 | putchar ('\n'); | |
01a8f077 JK |
5058 | |
5059 | free (range_entries); | |
5060 | ||
19e6b90e L |
5061 | return 1; |
5062 | } | |
5063 | ||
5064 | typedef struct Frame_Chunk | |
5065 | { | |
5066 | struct Frame_Chunk *next; | |
5067 | unsigned char *chunk_start; | |
5068 | int ncols; | |
5069 | /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */ | |
5070 | short int *col_type; | |
5071 | int *col_offset; | |
5072 | char *augmentation; | |
5073 | unsigned int code_factor; | |
5074 | int data_factor; | |
bf5117e3 NC |
5075 | dwarf_vma pc_begin; |
5076 | dwarf_vma pc_range; | |
19e6b90e L |
5077 | int cfa_reg; |
5078 | int cfa_offset; | |
5079 | int ra; | |
5080 | unsigned char fde_encoding; | |
5081 | unsigned char cfa_exp; | |
604282a7 JJ |
5082 | unsigned char ptr_size; |
5083 | unsigned char segment_size; | |
19e6b90e L |
5084 | } |
5085 | Frame_Chunk; | |
5086 | ||
665ce1f6 L |
5087 | static const char *const *dwarf_regnames; |
5088 | static unsigned int dwarf_regnames_count; | |
5089 | ||
19e6b90e L |
5090 | /* A marker for a col_type that means this column was never referenced |
5091 | in the frame info. */ | |
5092 | #define DW_CFA_unreferenced (-1) | |
5093 | ||
665ce1f6 L |
5094 | /* Return 0 if not more space is needed, 1 if more space is needed, |
5095 | -1 for invalid reg. */ | |
5096 | ||
5097 | static int | |
5098 | frame_need_space (Frame_Chunk *fc, unsigned int reg) | |
19e6b90e L |
5099 | { |
5100 | int prev = fc->ncols; | |
5101 | ||
665ce1f6 L |
5102 | if (reg < (unsigned int) fc->ncols) |
5103 | return 0; | |
5104 | ||
5105 | if (dwarf_regnames_count | |
5106 | && reg > dwarf_regnames_count) | |
5107 | return -1; | |
19e6b90e L |
5108 | |
5109 | fc->ncols = reg + 1; | |
3f5e193b NC |
5110 | fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols, |
5111 | sizeof (short int)); | |
5112 | fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int)); | |
041830e0 NC |
5113 | /* PR 17512: file:002-10025-0.005. */ |
5114 | if (fc->col_type == NULL || fc->col_offset == NULL) | |
5115 | { | |
5116 | error (_("Out of memory allocating %u columns in dwarf frame arrays\n"), | |
5117 | fc->ncols); | |
5118 | fc->ncols = 0; | |
5119 | return -1; | |
5120 | } | |
19e6b90e L |
5121 | |
5122 | while (prev < fc->ncols) | |
5123 | { | |
5124 | fc->col_type[prev] = DW_CFA_unreferenced; | |
5125 | fc->col_offset[prev] = 0; | |
5126 | prev++; | |
5127 | } | |
665ce1f6 | 5128 | return 1; |
19e6b90e L |
5129 | } |
5130 | ||
2dc4cec1 L |
5131 | static const char *const dwarf_regnames_i386[] = |
5132 | { | |
43234a1e L |
5133 | "eax", "ecx", "edx", "ebx", /* 0 - 3 */ |
5134 | "esp", "ebp", "esi", "edi", /* 4 - 7 */ | |
5135 | "eip", "eflags", NULL, /* 8 - 10 */ | |
5136 | "st0", "st1", "st2", "st3", /* 11 - 14 */ | |
5137 | "st4", "st5", "st6", "st7", /* 15 - 18 */ | |
5138 | NULL, NULL, /* 19 - 20 */ | |
5139 | "xmm0", "xmm1", "xmm2", "xmm3", /* 21 - 24 */ | |
5140 | "xmm4", "xmm5", "xmm6", "xmm7", /* 25 - 28 */ | |
5141 | "mm0", "mm1", "mm2", "mm3", /* 29 - 32 */ | |
5142 | "mm4", "mm5", "mm6", "mm7", /* 33 - 36 */ | |
5143 | "fcw", "fsw", "mxcsr", /* 37 - 39 */ | |
5144 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */ | |
5145 | "tr", "ldtr", /* 48 - 49 */ | |
5146 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */ | |
5147 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */ | |
5148 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */ | |
5149 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */ | |
5150 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */ | |
5151 | NULL, NULL, NULL, /* 90 - 92 */ | |
5152 | "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" /* 93 - 100 */ | |
2dc4cec1 L |
5153 | }; |
5154 | ||
b129eb0e RH |
5155 | void |
5156 | init_dwarf_regnames_i386 (void) | |
5157 | { | |
5158 | dwarf_regnames = dwarf_regnames_i386; | |
5159 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386); | |
5160 | } | |
5161 | ||
2dc4cec1 L |
5162 | static const char *const dwarf_regnames_x86_64[] = |
5163 | { | |
5164 | "rax", "rdx", "rcx", "rbx", | |
5165 | "rsi", "rdi", "rbp", "rsp", | |
5166 | "r8", "r9", "r10", "r11", | |
5167 | "r12", "r13", "r14", "r15", | |
5168 | "rip", | |
5169 | "xmm0", "xmm1", "xmm2", "xmm3", | |
5170 | "xmm4", "xmm5", "xmm6", "xmm7", | |
5171 | "xmm8", "xmm9", "xmm10", "xmm11", | |
5172 | "xmm12", "xmm13", "xmm14", "xmm15", | |
5173 | "st0", "st1", "st2", "st3", | |
5174 | "st4", "st5", "st6", "st7", | |
5175 | "mm0", "mm1", "mm2", "mm3", | |
5176 | "mm4", "mm5", "mm6", "mm7", | |
5177 | "rflags", | |
5178 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, | |
5179 | "fs.base", "gs.base", NULL, NULL, | |
5180 | "tr", "ldtr", | |
43234a1e L |
5181 | "mxcsr", "fcw", "fsw", |
5182 | "xmm16", "xmm17", "xmm18", "xmm19", | |
5183 | "xmm20", "xmm21", "xmm22", "xmm23", | |
5184 | "xmm24", "xmm25", "xmm26", "xmm27", | |
5185 | "xmm28", "xmm29", "xmm30", "xmm31", | |
5186 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 83 - 90 */ | |
5187 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 91 - 98 */ | |
5188 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 99 - 106 */ | |
5189 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 107 - 114 */ | |
5190 | NULL, NULL, NULL, /* 115 - 117 */ | |
5191 | "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" | |
2dc4cec1 L |
5192 | }; |
5193 | ||
b129eb0e RH |
5194 | void |
5195 | init_dwarf_regnames_x86_64 (void) | |
5196 | { | |
5197 | dwarf_regnames = dwarf_regnames_x86_64; | |
5198 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64); | |
5199 | } | |
5200 | ||
4ee22035 RH |
5201 | static const char *const dwarf_regnames_aarch64[] = |
5202 | { | |
5203 | "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", | |
5204 | "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", | |
5205 | "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23", | |
5206 | "x24", "x25", "x26", "x27", "x28", "x29", "x30", "sp", | |
5207 | NULL, "elr", NULL, NULL, NULL, NULL, NULL, NULL, | |
5208 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
5209 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
5210 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
5211 | "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", | |
5212 | "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", | |
5213 | "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", | |
5214 | "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", | |
5215 | }; | |
5216 | ||
5217 | void | |
5218 | init_dwarf_regnames_aarch64 (void) | |
5219 | { | |
5220 | dwarf_regnames = dwarf_regnames_aarch64; | |
5221 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_aarch64); | |
5222 | } | |
5223 | ||
2dc4cec1 L |
5224 | void |
5225 | init_dwarf_regnames (unsigned int e_machine) | |
5226 | { | |
5227 | switch (e_machine) | |
5228 | { | |
5229 | case EM_386: | |
5230 | case EM_486: | |
b129eb0e | 5231 | init_dwarf_regnames_i386 (); |
2dc4cec1 L |
5232 | break; |
5233 | ||
5234 | case EM_X86_64: | |
7f502d6c | 5235 | case EM_L1OM: |
7a9068fe | 5236 | case EM_K1OM: |
b129eb0e | 5237 | init_dwarf_regnames_x86_64 (); |
2dc4cec1 L |
5238 | break; |
5239 | ||
4ee22035 RH |
5240 | case EM_AARCH64: |
5241 | init_dwarf_regnames_aarch64 (); | |
5242 | break; | |
5243 | ||
2dc4cec1 L |
5244 | default: |
5245 | break; | |
5246 | } | |
5247 | } | |
5248 | ||
5249 | static const char * | |
5250 | regname (unsigned int regno, int row) | |
5251 | { | |
5252 | static char reg[64]; | |
5253 | if (dwarf_regnames | |
5254 | && regno < dwarf_regnames_count | |
5255 | && dwarf_regnames [regno] != NULL) | |
5256 | { | |
5257 | if (row) | |
5258 | return dwarf_regnames [regno]; | |
5259 | snprintf (reg, sizeof (reg), "r%d (%s)", regno, | |
5260 | dwarf_regnames [regno]); | |
5261 | } | |
5262 | else | |
5263 | snprintf (reg, sizeof (reg), "r%d", regno); | |
5264 | return reg; | |
5265 | } | |
5266 | ||
19e6b90e L |
5267 | static void |
5268 | frame_display_row (Frame_Chunk *fc, int *need_col_headers, int *max_regs) | |
5269 | { | |
5270 | int r; | |
5271 | char tmp[100]; | |
5272 | ||
5273 | if (*max_regs < fc->ncols) | |
5274 | *max_regs = fc->ncols; | |
5275 | ||
5276 | if (*need_col_headers) | |
5277 | { | |
91d6fa6a | 5278 | static const char *sloc = " LOC"; |
2dc4cec1 | 5279 | |
19e6b90e L |
5280 | *need_col_headers = 0; |
5281 | ||
91d6fa6a | 5282 | printf ("%-*s CFA ", eh_addr_size * 2, sloc); |
19e6b90e L |
5283 | |
5284 | for (r = 0; r < *max_regs; r++) | |
5285 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
5286 | { | |
5287 | if (r == fc->ra) | |
2dc4cec1 | 5288 | printf ("ra "); |
19e6b90e | 5289 | else |
2dc4cec1 | 5290 | printf ("%-5s ", regname (r, 1)); |
19e6b90e L |
5291 | } |
5292 | ||
5293 | printf ("\n"); | |
5294 | } | |
5295 | ||
bf5117e3 | 5296 | print_dwarf_vma (fc->pc_begin, eh_addr_size); |
19e6b90e L |
5297 | if (fc->cfa_exp) |
5298 | strcpy (tmp, "exp"); | |
5299 | else | |
2dc4cec1 | 5300 | sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), fc->cfa_offset); |
19e6b90e L |
5301 | printf ("%-8s ", tmp); |
5302 | ||
5303 | for (r = 0; r < fc->ncols; r++) | |
5304 | { | |
5305 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
5306 | { | |
5307 | switch (fc->col_type[r]) | |
5308 | { | |
5309 | case DW_CFA_undefined: | |
5310 | strcpy (tmp, "u"); | |
5311 | break; | |
5312 | case DW_CFA_same_value: | |
5313 | strcpy (tmp, "s"); | |
5314 | break; | |
5315 | case DW_CFA_offset: | |
5316 | sprintf (tmp, "c%+d", fc->col_offset[r]); | |
5317 | break; | |
12eae2d3 JJ |
5318 | case DW_CFA_val_offset: |
5319 | sprintf (tmp, "v%+d", fc->col_offset[r]); | |
5320 | break; | |
19e6b90e | 5321 | case DW_CFA_register: |
2dc4cec1 | 5322 | sprintf (tmp, "%s", regname (fc->col_offset[r], 0)); |
19e6b90e L |
5323 | break; |
5324 | case DW_CFA_expression: | |
5325 | strcpy (tmp, "exp"); | |
5326 | break; | |
12eae2d3 JJ |
5327 | case DW_CFA_val_expression: |
5328 | strcpy (tmp, "vexp"); | |
5329 | break; | |
19e6b90e L |
5330 | default: |
5331 | strcpy (tmp, "n/a"); | |
5332 | break; | |
5333 | } | |
2dc4cec1 | 5334 | printf ("%-5s ", tmp); |
19e6b90e L |
5335 | } |
5336 | } | |
5337 | printf ("\n"); | |
5338 | } | |
5339 | ||
49727e46 | 5340 | #define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end) |
f6f0e17b NC |
5341 | #define LEB() read_uleb128 (start, & length_return, end); start += length_return |
5342 | #define SLEB() read_sleb128 (start, & length_return, end); start += length_return | |
19e6b90e | 5343 | |
49727e46 AM |
5344 | static unsigned char * |
5345 | read_cie (unsigned char *start, unsigned char *end, | |
5346 | Frame_Chunk **p_cie, int *p_version, | |
5347 | unsigned long *p_aug_len, unsigned char **p_aug) | |
5348 | { | |
5349 | int version; | |
5350 | Frame_Chunk *fc; | |
5351 | unsigned int length_return; | |
5352 | unsigned char *augmentation_data = NULL; | |
5353 | unsigned long augmentation_data_len = 0; | |
5354 | ||
041830e0 | 5355 | * p_cie = NULL; |
f41e4712 NC |
5356 | /* PR 17512: file: 001-228113-0.004. */ |
5357 | if (start >= end) | |
5358 | return end; | |
5359 | ||
49727e46 AM |
5360 | fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
5361 | memset (fc, 0, sizeof (Frame_Chunk)); | |
5362 | ||
5363 | fc->col_type = (short int *) xmalloc (sizeof (short int)); | |
5364 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
5365 | ||
5366 | version = *start++; | |
5367 | ||
5368 | fc->augmentation = (char *) start; | |
f41e4712 NC |
5369 | /* PR 17512: file: 001-228113-0.004. |
5370 | Skip past augmentation name, but avoid running off the end of the data. */ | |
5371 | while (start < end) | |
5372 | if (* start ++ == '\0') | |
5373 | break; | |
5374 | if (start == end) | |
5375 | { | |
5376 | warn (_("No terminator for augmentation name\n")); | |
5377 | return start; | |
5378 | } | |
49727e46 AM |
5379 | |
5380 | if (strcmp (fc->augmentation, "eh") == 0) | |
5381 | start += eh_addr_size; | |
5382 | ||
5383 | if (version >= 4) | |
5384 | { | |
5385 | GET (fc->ptr_size, 1); | |
5386 | GET (fc->segment_size, 1); | |
5387 | eh_addr_size = fc->ptr_size; | |
5388 | } | |
5389 | else | |
5390 | { | |
5391 | fc->ptr_size = eh_addr_size; | |
5392 | fc->segment_size = 0; | |
5393 | } | |
5394 | fc->code_factor = LEB (); | |
5395 | fc->data_factor = SLEB (); | |
5396 | if (version == 1) | |
5397 | { | |
5398 | GET (fc->ra, 1); | |
5399 | } | |
5400 | else | |
5401 | { | |
5402 | fc->ra = LEB (); | |
5403 | } | |
5404 | ||
5405 | if (fc->augmentation[0] == 'z') | |
5406 | { | |
5407 | augmentation_data_len = LEB (); | |
5408 | augmentation_data = start; | |
5409 | start += augmentation_data_len; | |
5410 | } | |
5411 | ||
5412 | if (augmentation_data_len) | |
5413 | { | |
5414 | unsigned char *p, *q; | |
5415 | p = (unsigned char *) fc->augmentation + 1; | |
5416 | q = augmentation_data; | |
5417 | ||
5418 | while (1) | |
5419 | { | |
5420 | if (*p == 'L') | |
5421 | q++; | |
5422 | else if (*p == 'P') | |
5423 | q += 1 + size_of_encoded_value (*q); | |
5424 | else if (*p == 'R') | |
5425 | fc->fde_encoding = *q++; | |
5426 | else if (*p == 'S') | |
5427 | ; | |
5428 | else | |
5429 | break; | |
5430 | p++; | |
5431 | } | |
5432 | } | |
5433 | ||
5434 | *p_cie = fc; | |
5435 | if (p_version) | |
5436 | *p_version = version; | |
5437 | if (p_aug_len) | |
5438 | { | |
5439 | *p_aug_len = augmentation_data_len; | |
5440 | *p_aug = augmentation_data; | |
5441 | } | |
5442 | return start; | |
5443 | } | |
5444 | ||
19e6b90e L |
5445 | static int |
5446 | display_debug_frames (struct dwarf_section *section, | |
5447 | void *file ATTRIBUTE_UNUSED) | |
5448 | { | |
5449 | unsigned char *start = section->start; | |
5450 | unsigned char *end = start + section->size; | |
5451 | unsigned char *section_start = start; | |
49727e46 | 5452 | Frame_Chunk *chunks = 0, *forward_refs = 0; |
19e6b90e L |
5453 | Frame_Chunk *remembered_state = 0; |
5454 | Frame_Chunk *rs; | |
5455 | int is_eh = strcmp (section->name, ".eh_frame") == 0; | |
5456 | unsigned int length_return; | |
5457 | int max_regs = 0; | |
665ce1f6 | 5458 | const char *bad_reg = _("bad register: "); |
604282a7 | 5459 | int saved_eh_addr_size = eh_addr_size; |
19e6b90e | 5460 | |
80c35038 | 5461 | printf (_("Contents of the %s section:\n"), section->name); |
19e6b90e L |
5462 | |
5463 | while (start < end) | |
5464 | { | |
5465 | unsigned char *saved_start; | |
5466 | unsigned char *block_end; | |
bf5117e3 NC |
5467 | dwarf_vma length; |
5468 | dwarf_vma cie_id; | |
19e6b90e L |
5469 | Frame_Chunk *fc; |
5470 | Frame_Chunk *cie; | |
5471 | int need_col_headers = 1; | |
5472 | unsigned char *augmentation_data = NULL; | |
5473 | unsigned long augmentation_data_len = 0; | |
bf5117e3 NC |
5474 | unsigned int encoded_ptr_size = saved_eh_addr_size; |
5475 | unsigned int offset_size; | |
5476 | unsigned int initial_length_size; | |
19e6b90e L |
5477 | |
5478 | saved_start = start; | |
19e6b90e | 5479 | |
0c588247 | 5480 | SAFE_BYTE_GET_AND_INC (length, start, 4, end); |
041830e0 | 5481 | |
19e6b90e L |
5482 | if (length == 0) |
5483 | { | |
5484 | printf ("\n%08lx ZERO terminator\n\n", | |
5485 | (unsigned long)(saved_start - section_start)); | |
6937bb54 NC |
5486 | /* Skip any zero terminators that directly follow. |
5487 | A corrupt section size could have loaded a whole | |
5488 | slew of zero filled memory bytes. eg | |
5489 | PR 17512: file: 070-19381-0.004. */ | |
5490 | while (start < end && * start == 0) | |
5491 | ++ start; | |
b758e50f | 5492 | continue; |
19e6b90e L |
5493 | } |
5494 | ||
5495 | if (length == 0xffffffff) | |
5496 | { | |
0c588247 | 5497 | SAFE_BYTE_GET_AND_INC (length, start, 8, end); |
19e6b90e L |
5498 | offset_size = 8; |
5499 | initial_length_size = 12; | |
5500 | } | |
5501 | else | |
5502 | { | |
5503 | offset_size = 4; | |
5504 | initial_length_size = 4; | |
5505 | } | |
5506 | ||
5507 | block_end = saved_start + length + initial_length_size; | |
041830e0 | 5508 | if (block_end > end || block_end < start) |
53b8873b | 5509 | { |
bf5117e3 NC |
5510 | warn ("Invalid length 0x%s in FDE at %#08lx\n", |
5511 | dwarf_vmatoa_1 (NULL, length, offset_size), | |
5512 | (unsigned long) (saved_start - section_start)); | |
53b8873b NC |
5513 | block_end = end; |
5514 | } | |
0c588247 NC |
5515 | |
5516 | SAFE_BYTE_GET_AND_INC (cie_id, start, offset_size, end); | |
19e6b90e | 5517 | |
846a11e4 NC |
5518 | if (is_eh ? (cie_id == 0) : ((offset_size == 4 && cie_id == DW_CIE_ID) |
5519 | || (offset_size == 8 && cie_id == DW64_CIE_ID))) | |
19e6b90e L |
5520 | { |
5521 | int version; | |
49727e46 | 5522 | int mreg; |
19e6b90e | 5523 | |
49727e46 AM |
5524 | start = read_cie (start, end, &cie, &version, |
5525 | &augmentation_data_len, &augmentation_data); | |
041830e0 NC |
5526 | /* PR 17512: file: 027-135133-0.005. */ |
5527 | if (cie == NULL) | |
5528 | break; | |
49727e46 | 5529 | fc = cie; |
19e6b90e L |
5530 | fc->next = chunks; |
5531 | chunks = fc; | |
5532 | fc->chunk_start = saved_start; | |
49727e46 AM |
5533 | mreg = max_regs - 1; |
5534 | if (mreg < fc->ra) | |
5535 | mreg = fc->ra; | |
5536 | frame_need_space (fc, mreg); | |
5537 | if (fc->fde_encoding) | |
5538 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
19e6b90e | 5539 | |
bf5117e3 NC |
5540 | printf ("\n%08lx ", (unsigned long) (saved_start - section_start)); |
5541 | print_dwarf_vma (length, fc->ptr_size); | |
9c41109d | 5542 | print_dwarf_vma (cie_id, offset_size); |
bf5117e3 | 5543 | |
19e6b90e | 5544 | if (do_debug_frames_interp) |
bf5117e3 NC |
5545 | { |
5546 | printf ("CIE \"%s\" cf=%d df=%d ra=%d\n", fc->augmentation, | |
5547 | fc->code_factor, fc->data_factor, fc->ra); | |
5548 | } | |
19e6b90e L |
5549 | else |
5550 | { | |
bf5117e3 | 5551 | printf ("CIE\n"); |
19e6b90e L |
5552 | printf (" Version: %d\n", version); |
5553 | printf (" Augmentation: \"%s\"\n", fc->augmentation); | |
604282a7 JJ |
5554 | if (version >= 4) |
5555 | { | |
5556 | printf (" Pointer Size: %u\n", fc->ptr_size); | |
5557 | printf (" Segment Size: %u\n", fc->segment_size); | |
5558 | } | |
19e6b90e L |
5559 | printf (" Code alignment factor: %u\n", fc->code_factor); |
5560 | printf (" Data alignment factor: %d\n", fc->data_factor); | |
5561 | printf (" Return address column: %d\n", fc->ra); | |
5562 | ||
5563 | if (augmentation_data_len) | |
5564 | { | |
5565 | unsigned long i; | |
5566 | printf (" Augmentation data: "); | |
5567 | for (i = 0; i < augmentation_data_len; ++i) | |
5568 | printf (" %02x", augmentation_data[i]); | |
5569 | putchar ('\n'); | |
5570 | } | |
5571 | putchar ('\n'); | |
5572 | } | |
19e6b90e L |
5573 | } |
5574 | else | |
5575 | { | |
5576 | unsigned char *look_for; | |
5577 | static Frame_Chunk fde_fc; | |
604282a7 | 5578 | unsigned long segment_selector; |
19e6b90e | 5579 | |
49727e46 AM |
5580 | if (is_eh) |
5581 | { | |
5582 | dwarf_vma sign = (dwarf_vma) 1 << (offset_size * 8 - 1); | |
5583 | look_for = start - 4 - ((cie_id ^ sign) - sign); | |
5584 | } | |
5585 | else | |
5586 | look_for = section_start + cie_id; | |
19e6b90e | 5587 | |
49727e46 AM |
5588 | if (look_for <= saved_start) |
5589 | { | |
5590 | for (cie = chunks; cie ; cie = cie->next) | |
5591 | if (cie->chunk_start == look_for) | |
5592 | break; | |
5593 | } | |
5594 | else | |
5595 | { | |
5596 | for (cie = forward_refs; cie ; cie = cie->next) | |
5597 | if (cie->chunk_start == look_for) | |
5598 | break; | |
5599 | if (!cie) | |
5600 | { | |
5601 | unsigned int off_size; | |
5602 | unsigned char *cie_scan; | |
19e6b90e | 5603 | |
49727e46 AM |
5604 | cie_scan = look_for; |
5605 | off_size = 4; | |
5606 | SAFE_BYTE_GET_AND_INC (length, cie_scan, 4, end); | |
5607 | if (length == 0xffffffff) | |
5608 | { | |
5609 | SAFE_BYTE_GET_AND_INC (length, cie_scan, 8, end); | |
5610 | off_size = 8; | |
5611 | } | |
5612 | if (length != 0) | |
5613 | { | |
5614 | dwarf_vma c_id; | |
5615 | ||
5616 | SAFE_BYTE_GET_AND_INC (c_id, cie_scan, off_size, end); | |
5617 | if (is_eh | |
5618 | ? c_id == 0 | |
5619 | : ((off_size == 4 && c_id == DW_CIE_ID) | |
5620 | || (off_size == 8 && c_id == DW64_CIE_ID))) | |
5621 | { | |
5622 | int version; | |
5623 | int mreg; | |
5624 | ||
5625 | read_cie (cie_scan, end, &cie, &version, | |
5626 | &augmentation_data_len, &augmentation_data); | |
5627 | cie->next = forward_refs; | |
5628 | forward_refs = cie; | |
5629 | cie->chunk_start = look_for; | |
5630 | mreg = max_regs - 1; | |
5631 | if (mreg < cie->ra) | |
5632 | mreg = cie->ra; | |
5633 | frame_need_space (cie, mreg); | |
5634 | if (cie->fde_encoding) | |
5635 | encoded_ptr_size | |
5636 | = size_of_encoded_value (cie->fde_encoding); | |
5637 | } | |
5638 | } | |
5639 | } | |
5640 | } | |
5641 | ||
5642 | fc = &fde_fc; | |
5643 | memset (fc, 0, sizeof (Frame_Chunk)); | |
19e6b90e L |
5644 | |
5645 | if (!cie) | |
5646 | { | |
bf5117e3 NC |
5647 | warn ("Invalid CIE pointer 0x%s in FDE at %#08lx\n", |
5648 | dwarf_vmatoa_1 (NULL, cie_id, offset_size), | |
5649 | (unsigned long) (saved_start - section_start)); | |
19e6b90e | 5650 | fc->ncols = 0; |
3f5e193b NC |
5651 | fc->col_type = (short int *) xmalloc (sizeof (short int)); |
5652 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
19e6b90e L |
5653 | frame_need_space (fc, max_regs - 1); |
5654 | cie = fc; | |
5655 | fc->augmentation = ""; | |
5656 | fc->fde_encoding = 0; | |
604282a7 JJ |
5657 | fc->ptr_size = eh_addr_size; |
5658 | fc->segment_size = 0; | |
19e6b90e L |
5659 | } |
5660 | else | |
5661 | { | |
5662 | fc->ncols = cie->ncols; | |
3f5e193b NC |
5663 | fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int)); |
5664 | fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int)); | |
19e6b90e L |
5665 | memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int)); |
5666 | memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int)); | |
5667 | fc->augmentation = cie->augmentation; | |
604282a7 JJ |
5668 | fc->ptr_size = cie->ptr_size; |
5669 | eh_addr_size = cie->ptr_size; | |
5670 | fc->segment_size = cie->segment_size; | |
19e6b90e L |
5671 | fc->code_factor = cie->code_factor; |
5672 | fc->data_factor = cie->data_factor; | |
5673 | fc->cfa_reg = cie->cfa_reg; | |
5674 | fc->cfa_offset = cie->cfa_offset; | |
5675 | fc->ra = cie->ra; | |
cc86f28f | 5676 | frame_need_space (fc, max_regs - 1); |
19e6b90e L |
5677 | fc->fde_encoding = cie->fde_encoding; |
5678 | } | |
5679 | ||
5680 | if (fc->fde_encoding) | |
5681 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
5682 | ||
604282a7 JJ |
5683 | segment_selector = 0; |
5684 | if (fc->segment_size) | |
041830e0 NC |
5685 | SAFE_BYTE_GET_AND_INC (segment_selector, start, fc->segment_size, end); |
5686 | ||
5687 | fc->pc_begin = get_encoded_value (&start, fc->fde_encoding, section, end); | |
19e6b90e | 5688 | |
0c588247 NC |
5689 | /* FIXME: It appears that sometimes the final pc_range value is |
5690 | encoded in less than encoded_ptr_size bytes. See the x86_64 | |
5691 | run of the "objcopy on compressed debug sections" test for an | |
5692 | example of this. */ | |
5693 | SAFE_BYTE_GET_AND_INC (fc->pc_range, start, encoded_ptr_size, end); | |
bf5117e3 | 5694 | |
19e6b90e L |
5695 | if (cie->augmentation[0] == 'z') |
5696 | { | |
5697 | augmentation_data_len = LEB (); | |
5698 | augmentation_data = start; | |
5699 | start += augmentation_data_len; | |
5700 | } | |
5701 | ||
bf5117e3 NC |
5702 | printf ("\n%08lx %s %s FDE cie=%08lx pc=", |
5703 | (unsigned long)(saved_start - section_start), | |
5704 | dwarf_vmatoa_1 (NULL, length, fc->ptr_size), | |
9c41109d | 5705 | dwarf_vmatoa_1 (NULL, cie_id, offset_size), |
604282a7 | 5706 | (unsigned long)(cie->chunk_start - section_start)); |
bf5117e3 | 5707 | |
604282a7 JJ |
5708 | if (fc->segment_size) |
5709 | printf ("%04lx:", segment_selector); | |
bf5117e3 NC |
5710 | |
5711 | printf ("%s..%s\n", | |
5712 | dwarf_vmatoa_1 (NULL, fc->pc_begin, fc->ptr_size), | |
5713 | dwarf_vmatoa_1 (NULL, fc->pc_begin + fc->pc_range, fc->ptr_size)); | |
5714 | ||
19e6b90e L |
5715 | if (! do_debug_frames_interp && augmentation_data_len) |
5716 | { | |
5717 | unsigned long i; | |
5718 | ||
5719 | printf (" Augmentation data: "); | |
5720 | for (i = 0; i < augmentation_data_len; ++i) | |
5721 | printf (" %02x", augmentation_data[i]); | |
5722 | putchar ('\n'); | |
5723 | putchar ('\n'); | |
5724 | } | |
5725 | } | |
5726 | ||
5727 | /* At this point, fc is the current chunk, cie (if any) is set, and | |
5728 | we're about to interpret instructions for the chunk. */ | |
5729 | /* ??? At present we need to do this always, since this sizes the | |
5730 | fc->col_type and fc->col_offset arrays, which we write into always. | |
5731 | We should probably split the interpreted and non-interpreted bits | |
5732 | into two different routines, since there's so much that doesn't | |
5733 | really overlap between them. */ | |
5734 | if (1 || do_debug_frames_interp) | |
5735 | { | |
5736 | /* Start by making a pass over the chunk, allocating storage | |
5737 | and taking note of what registers are used. */ | |
5738 | unsigned char *tmp = start; | |
5739 | ||
5740 | while (start < block_end) | |
5741 | { | |
041830e0 NC |
5742 | unsigned int reg, op, opa; |
5743 | unsigned long temp; | |
19e6b90e L |
5744 | |
5745 | op = *start++; | |
5746 | opa = op & 0x3f; | |
5747 | if (op & 0xc0) | |
5748 | op &= 0xc0; | |
5749 | ||
5750 | /* Warning: if you add any more cases to this switch, be | |
5751 | sure to add them to the corresponding switch below. */ | |
5752 | switch (op) | |
5753 | { | |
5754 | case DW_CFA_advance_loc: | |
5755 | break; | |
5756 | case DW_CFA_offset: | |
5757 | LEB (); | |
665ce1f6 L |
5758 | if (frame_need_space (fc, opa) >= 0) |
5759 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
5760 | break; |
5761 | case DW_CFA_restore: | |
665ce1f6 L |
5762 | if (frame_need_space (fc, opa) >= 0) |
5763 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
5764 | break; |
5765 | case DW_CFA_set_loc: | |
5766 | start += encoded_ptr_size; | |
5767 | break; | |
5768 | case DW_CFA_advance_loc1: | |
5769 | start += 1; | |
5770 | break; | |
5771 | case DW_CFA_advance_loc2: | |
5772 | start += 2; | |
5773 | break; | |
5774 | case DW_CFA_advance_loc4: | |
5775 | start += 4; | |
5776 | break; | |
5777 | case DW_CFA_offset_extended: | |
12eae2d3 | 5778 | case DW_CFA_val_offset: |
19e6b90e | 5779 | reg = LEB (); LEB (); |
665ce1f6 L |
5780 | if (frame_need_space (fc, reg) >= 0) |
5781 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
5782 | break; |
5783 | case DW_CFA_restore_extended: | |
5784 | reg = LEB (); | |
5785 | frame_need_space (fc, reg); | |
665ce1f6 L |
5786 | if (frame_need_space (fc, reg) >= 0) |
5787 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
5788 | break; |
5789 | case DW_CFA_undefined: | |
5790 | reg = LEB (); | |
665ce1f6 L |
5791 | if (frame_need_space (fc, reg) >= 0) |
5792 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
5793 | break; |
5794 | case DW_CFA_same_value: | |
5795 | reg = LEB (); | |
665ce1f6 L |
5796 | if (frame_need_space (fc, reg) >= 0) |
5797 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
5798 | break; |
5799 | case DW_CFA_register: | |
5800 | reg = LEB (); LEB (); | |
665ce1f6 L |
5801 | if (frame_need_space (fc, reg) >= 0) |
5802 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
5803 | break; |
5804 | case DW_CFA_def_cfa: | |
5805 | LEB (); LEB (); | |
5806 | break; | |
5807 | case DW_CFA_def_cfa_register: | |
5808 | LEB (); | |
5809 | break; | |
5810 | case DW_CFA_def_cfa_offset: | |
5811 | LEB (); | |
5812 | break; | |
5813 | case DW_CFA_def_cfa_expression: | |
91d6fa6a | 5814 | temp = LEB (); |
041830e0 NC |
5815 | if (start + temp < start) |
5816 | { | |
5817 | warn (_("Corrupt CFA_def expression value: %lu\n"), temp); | |
5818 | start = block_end; | |
5819 | } | |
5820 | else | |
5821 | start += temp; | |
19e6b90e L |
5822 | break; |
5823 | case DW_CFA_expression: | |
12eae2d3 | 5824 | case DW_CFA_val_expression: |
19e6b90e | 5825 | reg = LEB (); |
91d6fa6a | 5826 | temp = LEB (); |
041830e0 NC |
5827 | if (start + temp < start) |
5828 | { | |
5829 | /* PR 17512: file:306-192417-0.005. */ | |
5830 | warn (_("Corrupt CFA expression value: %lu\n"), temp); | |
5831 | start = block_end; | |
5832 | } | |
5833 | else | |
5834 | start += temp; | |
665ce1f6 L |
5835 | if (frame_need_space (fc, reg) >= 0) |
5836 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
5837 | break; |
5838 | case DW_CFA_offset_extended_sf: | |
12eae2d3 | 5839 | case DW_CFA_val_offset_sf: |
19e6b90e | 5840 | reg = LEB (); SLEB (); |
665ce1f6 L |
5841 | if (frame_need_space (fc, reg) >= 0) |
5842 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
5843 | break; |
5844 | case DW_CFA_def_cfa_sf: | |
5845 | LEB (); SLEB (); | |
5846 | break; | |
5847 | case DW_CFA_def_cfa_offset_sf: | |
5848 | SLEB (); | |
5849 | break; | |
5850 | case DW_CFA_MIPS_advance_loc8: | |
5851 | start += 8; | |
5852 | break; | |
5853 | case DW_CFA_GNU_args_size: | |
5854 | LEB (); | |
5855 | break; | |
5856 | case DW_CFA_GNU_negative_offset_extended: | |
5857 | reg = LEB (); LEB (); | |
665ce1f6 L |
5858 | if (frame_need_space (fc, reg) >= 0) |
5859 | fc->col_type[reg] = DW_CFA_undefined; | |
5860 | break; | |
19e6b90e L |
5861 | default: |
5862 | break; | |
5863 | } | |
5864 | } | |
5865 | start = tmp; | |
5866 | } | |
5867 | ||
5868 | /* Now we know what registers are used, make a second pass over | |
5869 | the chunk, this time actually printing out the info. */ | |
5870 | ||
5871 | while (start < block_end) | |
5872 | { | |
5873 | unsigned op, opa; | |
5874 | unsigned long ul, reg, roffs; | |
bf5117e3 NC |
5875 | long l; |
5876 | dwarf_vma ofs; | |
19e6b90e | 5877 | dwarf_vma vma; |
665ce1f6 | 5878 | const char *reg_prefix = ""; |
19e6b90e L |
5879 | |
5880 | op = *start++; | |
5881 | opa = op & 0x3f; | |
5882 | if (op & 0xc0) | |
5883 | op &= 0xc0; | |
5884 | ||
5885 | /* Warning: if you add any more cases to this switch, be | |
5886 | sure to add them to the corresponding switch above. */ | |
5887 | switch (op) | |
5888 | { | |
5889 | case DW_CFA_advance_loc: | |
5890 | if (do_debug_frames_interp) | |
5891 | frame_display_row (fc, &need_col_headers, &max_regs); | |
5892 | else | |
bf5117e3 | 5893 | printf (" DW_CFA_advance_loc: %d to %s\n", |
19e6b90e | 5894 | opa * fc->code_factor, |
bf5117e3 NC |
5895 | dwarf_vmatoa_1 (NULL, |
5896 | fc->pc_begin + opa * fc->code_factor, | |
5897 | fc->ptr_size)); | |
19e6b90e L |
5898 | fc->pc_begin += opa * fc->code_factor; |
5899 | break; | |
5900 | ||
5901 | case DW_CFA_offset: | |
5902 | roffs = LEB (); | |
665ce1f6 L |
5903 | if (opa >= (unsigned int) fc->ncols) |
5904 | reg_prefix = bad_reg; | |
5905 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
5906 | printf (" DW_CFA_offset: %s%s at cfa%+ld\n", | |
5907 | reg_prefix, regname (opa, 0), | |
5908 | roffs * fc->data_factor); | |
5909 | if (*reg_prefix == '\0') | |
5910 | { | |
5911 | fc->col_type[opa] = DW_CFA_offset; | |
5912 | fc->col_offset[opa] = roffs * fc->data_factor; | |
5913 | } | |
19e6b90e L |
5914 | break; |
5915 | ||
5916 | case DW_CFA_restore: | |
665ce1f6 L |
5917 | if (opa >= (unsigned int) cie->ncols |
5918 | || opa >= (unsigned int) fc->ncols) | |
5919 | reg_prefix = bad_reg; | |
5920 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
5921 | printf (" DW_CFA_restore: %s%s\n", | |
5922 | reg_prefix, regname (opa, 0)); | |
5923 | if (*reg_prefix == '\0') | |
5924 | { | |
5925 | fc->col_type[opa] = cie->col_type[opa]; | |
5926 | fc->col_offset[opa] = cie->col_offset[opa]; | |
b3f5b73b ILT |
5927 | if (do_debug_frames_interp |
5928 | && fc->col_type[opa] == DW_CFA_unreferenced) | |
5929 | fc->col_type[opa] = DW_CFA_undefined; | |
665ce1f6 | 5930 | } |
19e6b90e L |
5931 | break; |
5932 | ||
5933 | case DW_CFA_set_loc: | |
6937bb54 | 5934 | vma = get_encoded_value (&start, fc->fde_encoding, section, block_end); |
19e6b90e L |
5935 | if (do_debug_frames_interp) |
5936 | frame_display_row (fc, &need_col_headers, &max_regs); | |
5937 | else | |
bf5117e3 NC |
5938 | printf (" DW_CFA_set_loc: %s\n", |
5939 | dwarf_vmatoa_1 (NULL, vma, fc->ptr_size)); | |
19e6b90e L |
5940 | fc->pc_begin = vma; |
5941 | break; | |
5942 | ||
5943 | case DW_CFA_advance_loc1: | |
0c588247 | 5944 | SAFE_BYTE_GET_AND_INC (ofs, start, 1, end); |
19e6b90e L |
5945 | if (do_debug_frames_interp) |
5946 | frame_display_row (fc, &need_col_headers, &max_regs); | |
5947 | else | |
bf5117e3 NC |
5948 | printf (" DW_CFA_advance_loc1: %ld to %s\n", |
5949 | (unsigned long) (ofs * fc->code_factor), | |
5950 | dwarf_vmatoa_1 (NULL, | |
5951 | fc->pc_begin + ofs * fc->code_factor, | |
5952 | fc->ptr_size)); | |
19e6b90e L |
5953 | fc->pc_begin += ofs * fc->code_factor; |
5954 | break; | |
5955 | ||
5956 | case DW_CFA_advance_loc2: | |
6937bb54 | 5957 | SAFE_BYTE_GET_AND_INC (ofs, start, 2, block_end); |
19e6b90e L |
5958 | if (do_debug_frames_interp) |
5959 | frame_display_row (fc, &need_col_headers, &max_regs); | |
5960 | else | |
bf5117e3 NC |
5961 | printf (" DW_CFA_advance_loc2: %ld to %s\n", |
5962 | (unsigned long) (ofs * fc->code_factor), | |
5963 | dwarf_vmatoa_1 (NULL, | |
5964 | fc->pc_begin + ofs * fc->code_factor, | |
5965 | fc->ptr_size)); | |
19e6b90e L |
5966 | fc->pc_begin += ofs * fc->code_factor; |
5967 | break; | |
5968 | ||
5969 | case DW_CFA_advance_loc4: | |
6937bb54 | 5970 | SAFE_BYTE_GET_AND_INC (ofs, start, 4, block_end); |
19e6b90e L |
5971 | if (do_debug_frames_interp) |
5972 | frame_display_row (fc, &need_col_headers, &max_regs); | |
5973 | else | |
bf5117e3 NC |
5974 | printf (" DW_CFA_advance_loc4: %ld to %s\n", |
5975 | (unsigned long) (ofs * fc->code_factor), | |
5976 | dwarf_vmatoa_1 (NULL, | |
5977 | fc->pc_begin + ofs * fc->code_factor, | |
5978 | fc->ptr_size)); | |
19e6b90e L |
5979 | fc->pc_begin += ofs * fc->code_factor; |
5980 | break; | |
5981 | ||
5982 | case DW_CFA_offset_extended: | |
5983 | reg = LEB (); | |
5984 | roffs = LEB (); | |
665ce1f6 L |
5985 | if (reg >= (unsigned int) fc->ncols) |
5986 | reg_prefix = bad_reg; | |
5987 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
5988 | printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n", | |
5989 | reg_prefix, regname (reg, 0), | |
5990 | roffs * fc->data_factor); | |
5991 | if (*reg_prefix == '\0') | |
5992 | { | |
5993 | fc->col_type[reg] = DW_CFA_offset; | |
5994 | fc->col_offset[reg] = roffs * fc->data_factor; | |
5995 | } | |
19e6b90e L |
5996 | break; |
5997 | ||
12eae2d3 JJ |
5998 | case DW_CFA_val_offset: |
5999 | reg = LEB (); | |
6000 | roffs = LEB (); | |
665ce1f6 L |
6001 | if (reg >= (unsigned int) fc->ncols) |
6002 | reg_prefix = bad_reg; | |
6003 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
6004 | printf (" DW_CFA_val_offset: %s%s at cfa%+ld\n", | |
6005 | reg_prefix, regname (reg, 0), | |
6006 | roffs * fc->data_factor); | |
6007 | if (*reg_prefix == '\0') | |
6008 | { | |
6009 | fc->col_type[reg] = DW_CFA_val_offset; | |
6010 | fc->col_offset[reg] = roffs * fc->data_factor; | |
6011 | } | |
12eae2d3 JJ |
6012 | break; |
6013 | ||
19e6b90e L |
6014 | case DW_CFA_restore_extended: |
6015 | reg = LEB (); | |
665ce1f6 L |
6016 | if (reg >= (unsigned int) cie->ncols |
6017 | || reg >= (unsigned int) fc->ncols) | |
6018 | reg_prefix = bad_reg; | |
6019 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
6020 | printf (" DW_CFA_restore_extended: %s%s\n", | |
6021 | reg_prefix, regname (reg, 0)); | |
6022 | if (*reg_prefix == '\0') | |
6023 | { | |
6024 | fc->col_type[reg] = cie->col_type[reg]; | |
6025 | fc->col_offset[reg] = cie->col_offset[reg]; | |
6026 | } | |
19e6b90e L |
6027 | break; |
6028 | ||
6029 | case DW_CFA_undefined: | |
6030 | reg = LEB (); | |
665ce1f6 L |
6031 | if (reg >= (unsigned int) fc->ncols) |
6032 | reg_prefix = bad_reg; | |
6033 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
6034 | printf (" DW_CFA_undefined: %s%s\n", | |
6035 | reg_prefix, regname (reg, 0)); | |
6036 | if (*reg_prefix == '\0') | |
6037 | { | |
6038 | fc->col_type[reg] = DW_CFA_undefined; | |
6039 | fc->col_offset[reg] = 0; | |
6040 | } | |
19e6b90e L |
6041 | break; |
6042 | ||
6043 | case DW_CFA_same_value: | |
6044 | reg = LEB (); | |
665ce1f6 L |
6045 | if (reg >= (unsigned int) fc->ncols) |
6046 | reg_prefix = bad_reg; | |
6047 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
6048 | printf (" DW_CFA_same_value: %s%s\n", | |
6049 | reg_prefix, regname (reg, 0)); | |
6050 | if (*reg_prefix == '\0') | |
6051 | { | |
6052 | fc->col_type[reg] = DW_CFA_same_value; | |
6053 | fc->col_offset[reg] = 0; | |
6054 | } | |
19e6b90e L |
6055 | break; |
6056 | ||
6057 | case DW_CFA_register: | |
6058 | reg = LEB (); | |
6059 | roffs = LEB (); | |
665ce1f6 L |
6060 | if (reg >= (unsigned int) fc->ncols) |
6061 | reg_prefix = bad_reg; | |
6062 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
2dc4cec1 | 6063 | { |
665ce1f6 L |
6064 | printf (" DW_CFA_register: %s%s in ", |
6065 | reg_prefix, regname (reg, 0)); | |
2dc4cec1 L |
6066 | puts (regname (roffs, 0)); |
6067 | } | |
665ce1f6 L |
6068 | if (*reg_prefix == '\0') |
6069 | { | |
6070 | fc->col_type[reg] = DW_CFA_register; | |
6071 | fc->col_offset[reg] = roffs; | |
6072 | } | |
19e6b90e L |
6073 | break; |
6074 | ||
6075 | case DW_CFA_remember_state: | |
6076 | if (! do_debug_frames_interp) | |
6077 | printf (" DW_CFA_remember_state\n"); | |
3f5e193b | 6078 | rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
d71ad7fc RC |
6079 | rs->cfa_offset = fc->cfa_offset; |
6080 | rs->cfa_reg = fc->cfa_reg; | |
6081 | rs->ra = fc->ra; | |
6082 | rs->cfa_exp = fc->cfa_exp; | |
19e6b90e | 6083 | rs->ncols = fc->ncols; |
3f5e193b | 6084 | rs->col_type = (short int *) xcmalloc (rs->ncols, |
d71ad7fc RC |
6085 | sizeof (* rs->col_type)); |
6086 | rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (* rs->col_offset)); | |
6087 | memcpy (rs->col_type, fc->col_type, rs->ncols * sizeof (* fc->col_type)); | |
6088 | memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (* fc->col_offset)); | |
19e6b90e L |
6089 | rs->next = remembered_state; |
6090 | remembered_state = rs; | |
6091 | break; | |
6092 | ||
6093 | case DW_CFA_restore_state: | |
6094 | if (! do_debug_frames_interp) | |
6095 | printf (" DW_CFA_restore_state\n"); | |
6096 | rs = remembered_state; | |
6097 | if (rs) | |
6098 | { | |
6099 | remembered_state = rs->next; | |
d71ad7fc RC |
6100 | fc->cfa_offset = rs->cfa_offset; |
6101 | fc->cfa_reg = rs->cfa_reg; | |
6102 | fc->ra = rs->ra; | |
6103 | fc->cfa_exp = rs->cfa_exp; | |
cc86f28f | 6104 | frame_need_space (fc, rs->ncols - 1); |
d71ad7fc | 6105 | memcpy (fc->col_type, rs->col_type, rs->ncols * sizeof (* rs->col_type)); |
19e6b90e | 6106 | memcpy (fc->col_offset, rs->col_offset, |
d71ad7fc | 6107 | rs->ncols * sizeof (* rs->col_offset)); |
19e6b90e L |
6108 | free (rs->col_type); |
6109 | free (rs->col_offset); | |
6110 | free (rs); | |
6111 | } | |
6112 | else if (do_debug_frames_interp) | |
6113 | printf ("Mismatched DW_CFA_restore_state\n"); | |
6114 | break; | |
6115 | ||
6116 | case DW_CFA_def_cfa: | |
6117 | fc->cfa_reg = LEB (); | |
6118 | fc->cfa_offset = LEB (); | |
6119 | fc->cfa_exp = 0; | |
6120 | if (! do_debug_frames_interp) | |
2dc4cec1 L |
6121 | printf (" DW_CFA_def_cfa: %s ofs %d\n", |
6122 | regname (fc->cfa_reg, 0), fc->cfa_offset); | |
19e6b90e L |
6123 | break; |
6124 | ||
6125 | case DW_CFA_def_cfa_register: | |
6126 | fc->cfa_reg = LEB (); | |
6127 | fc->cfa_exp = 0; | |
6128 | if (! do_debug_frames_interp) | |
2dc4cec1 L |
6129 | printf (" DW_CFA_def_cfa_register: %s\n", |
6130 | regname (fc->cfa_reg, 0)); | |
19e6b90e L |
6131 | break; |
6132 | ||
6133 | case DW_CFA_def_cfa_offset: | |
6134 | fc->cfa_offset = LEB (); | |
6135 | if (! do_debug_frames_interp) | |
6136 | printf (" DW_CFA_def_cfa_offset: %d\n", fc->cfa_offset); | |
6137 | break; | |
6138 | ||
6139 | case DW_CFA_nop: | |
6140 | if (! do_debug_frames_interp) | |
6141 | printf (" DW_CFA_nop\n"); | |
6142 | break; | |
6143 | ||
6144 | case DW_CFA_def_cfa_expression: | |
6145 | ul = LEB (); | |
6937bb54 NC |
6146 | if (start >= block_end) |
6147 | { | |
6148 | printf (" DW_CFA_def_cfa_expression: <corrupt>\n"); | |
6149 | warn (_("Corrupt length field in DW_CFA_def_cfa_expression\n")); | |
6150 | break; | |
6151 | } | |
19e6b90e L |
6152 | if (! do_debug_frames_interp) |
6153 | { | |
6154 | printf (" DW_CFA_def_cfa_expression ("); | |
b7807392 JJ |
6155 | decode_location_expression (start, eh_addr_size, 0, -1, |
6156 | ul, 0, section); | |
19e6b90e L |
6157 | printf (")\n"); |
6158 | } | |
6159 | fc->cfa_exp = 1; | |
6160 | start += ul; | |
6161 | break; | |
6162 | ||
6163 | case DW_CFA_expression: | |
6164 | reg = LEB (); | |
6165 | ul = LEB (); | |
665ce1f6 L |
6166 | if (reg >= (unsigned int) fc->ncols) |
6167 | reg_prefix = bad_reg; | |
6937bb54 NC |
6168 | /* PR 17512: file: 069-133014-0.006. */ |
6169 | if (start >= block_end) | |
6170 | { | |
6171 | printf (" DW_CFA_expression: <corrupt>\n"); | |
6172 | warn (_("Corrupt length field in DW_CFA_expression\n")); | |
6173 | break; | |
6174 | } | |
665ce1f6 | 6175 | if (! do_debug_frames_interp || *reg_prefix != '\0') |
19e6b90e | 6176 | { |
665ce1f6 L |
6177 | printf (" DW_CFA_expression: %s%s (", |
6178 | reg_prefix, regname (reg, 0)); | |
b7807392 | 6179 | decode_location_expression (start, eh_addr_size, 0, -1, |
f1c4cc75 | 6180 | ul, 0, section); |
19e6b90e L |
6181 | printf (")\n"); |
6182 | } | |
665ce1f6 L |
6183 | if (*reg_prefix == '\0') |
6184 | fc->col_type[reg] = DW_CFA_expression; | |
19e6b90e L |
6185 | start += ul; |
6186 | break; | |
6187 | ||
12eae2d3 JJ |
6188 | case DW_CFA_val_expression: |
6189 | reg = LEB (); | |
6190 | ul = LEB (); | |
665ce1f6 L |
6191 | if (reg >= (unsigned int) fc->ncols) |
6192 | reg_prefix = bad_reg; | |
6937bb54 NC |
6193 | if (start >= block_end) |
6194 | { | |
6195 | printf (" DW_CFA_val_expression: <corrupt>\n"); | |
6196 | warn (_("Corrupt length field in DW_CFA_val_expression\n")); | |
6197 | break; | |
6198 | } | |
665ce1f6 | 6199 | if (! do_debug_frames_interp || *reg_prefix != '\0') |
12eae2d3 | 6200 | { |
665ce1f6 L |
6201 | printf (" DW_CFA_val_expression: %s%s (", |
6202 | reg_prefix, regname (reg, 0)); | |
b7807392 JJ |
6203 | decode_location_expression (start, eh_addr_size, 0, -1, |
6204 | ul, 0, section); | |
12eae2d3 JJ |
6205 | printf (")\n"); |
6206 | } | |
665ce1f6 L |
6207 | if (*reg_prefix == '\0') |
6208 | fc->col_type[reg] = DW_CFA_val_expression; | |
12eae2d3 JJ |
6209 | start += ul; |
6210 | break; | |
6211 | ||
19e6b90e L |
6212 | case DW_CFA_offset_extended_sf: |
6213 | reg = LEB (); | |
6214 | l = SLEB (); | |
665ce1f6 L |
6215 | if (frame_need_space (fc, reg) < 0) |
6216 | reg_prefix = bad_reg; | |
6217 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
6218 | printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n", | |
6219 | reg_prefix, regname (reg, 0), | |
6220 | l * fc->data_factor); | |
6221 | if (*reg_prefix == '\0') | |
6222 | { | |
6223 | fc->col_type[reg] = DW_CFA_offset; | |
6224 | fc->col_offset[reg] = l * fc->data_factor; | |
6225 | } | |
19e6b90e L |
6226 | break; |
6227 | ||
12eae2d3 JJ |
6228 | case DW_CFA_val_offset_sf: |
6229 | reg = LEB (); | |
6230 | l = SLEB (); | |
665ce1f6 L |
6231 | if (frame_need_space (fc, reg) < 0) |
6232 | reg_prefix = bad_reg; | |
6233 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
6234 | printf (" DW_CFA_val_offset_sf: %s%s at cfa%+ld\n", | |
6235 | reg_prefix, regname (reg, 0), | |
6236 | l * fc->data_factor); | |
6237 | if (*reg_prefix == '\0') | |
6238 | { | |
6239 | fc->col_type[reg] = DW_CFA_val_offset; | |
6240 | fc->col_offset[reg] = l * fc->data_factor; | |
6241 | } | |
12eae2d3 JJ |
6242 | break; |
6243 | ||
19e6b90e L |
6244 | case DW_CFA_def_cfa_sf: |
6245 | fc->cfa_reg = LEB (); | |
6246 | fc->cfa_offset = SLEB (); | |
6247 | fc->cfa_offset = fc->cfa_offset * fc->data_factor; | |
6248 | fc->cfa_exp = 0; | |
6249 | if (! do_debug_frames_interp) | |
2dc4cec1 L |
6250 | printf (" DW_CFA_def_cfa_sf: %s ofs %d\n", |
6251 | regname (fc->cfa_reg, 0), fc->cfa_offset); | |
19e6b90e L |
6252 | break; |
6253 | ||
6254 | case DW_CFA_def_cfa_offset_sf: | |
6255 | fc->cfa_offset = SLEB (); | |
6256 | fc->cfa_offset = fc->cfa_offset * fc->data_factor; | |
6257 | if (! do_debug_frames_interp) | |
6258 | printf (" DW_CFA_def_cfa_offset_sf: %d\n", fc->cfa_offset); | |
6259 | break; | |
6260 | ||
6261 | case DW_CFA_MIPS_advance_loc8: | |
6937bb54 | 6262 | SAFE_BYTE_GET_AND_INC (ofs, start, 8, block_end); |
19e6b90e L |
6263 | if (do_debug_frames_interp) |
6264 | frame_display_row (fc, &need_col_headers, &max_regs); | |
6265 | else | |
bf5117e3 NC |
6266 | printf (" DW_CFA_MIPS_advance_loc8: %ld to %s\n", |
6267 | (unsigned long) (ofs * fc->code_factor), | |
6268 | dwarf_vmatoa_1 (NULL, | |
6269 | fc->pc_begin + ofs * fc->code_factor, | |
6270 | fc->ptr_size)); | |
19e6b90e L |
6271 | fc->pc_begin += ofs * fc->code_factor; |
6272 | break; | |
6273 | ||
6274 | case DW_CFA_GNU_window_save: | |
6275 | if (! do_debug_frames_interp) | |
6276 | printf (" DW_CFA_GNU_window_save\n"); | |
6277 | break; | |
6278 | ||
6279 | case DW_CFA_GNU_args_size: | |
6280 | ul = LEB (); | |
6281 | if (! do_debug_frames_interp) | |
6282 | printf (" DW_CFA_GNU_args_size: %ld\n", ul); | |
6283 | break; | |
6284 | ||
6285 | case DW_CFA_GNU_negative_offset_extended: | |
6286 | reg = LEB (); | |
6287 | l = - LEB (); | |
665ce1f6 L |
6288 | if (frame_need_space (fc, reg) < 0) |
6289 | reg_prefix = bad_reg; | |
6290 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
6291 | printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n", | |
6292 | reg_prefix, regname (reg, 0), | |
6293 | l * fc->data_factor); | |
6294 | if (*reg_prefix == '\0') | |
6295 | { | |
6296 | fc->col_type[reg] = DW_CFA_offset; | |
6297 | fc->col_offset[reg] = l * fc->data_factor; | |
6298 | } | |
19e6b90e L |
6299 | break; |
6300 | ||
6301 | default: | |
53b8873b NC |
6302 | if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user) |
6303 | printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op); | |
6304 | else | |
f41e4712 | 6305 | warn (_("Unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op); |
19e6b90e L |
6306 | start = block_end; |
6307 | } | |
6308 | } | |
6309 | ||
6310 | if (do_debug_frames_interp) | |
6311 | frame_display_row (fc, &need_col_headers, &max_regs); | |
6312 | ||
6313 | start = block_end; | |
604282a7 | 6314 | eh_addr_size = saved_eh_addr_size; |
19e6b90e L |
6315 | } |
6316 | ||
6317 | printf ("\n"); | |
6318 | ||
6319 | return 1; | |
6320 | } | |
6321 | ||
6322 | #undef GET | |
6323 | #undef LEB | |
6324 | #undef SLEB | |
6325 | ||
5bbdf3d5 DE |
6326 | static int |
6327 | display_gdb_index (struct dwarf_section *section, | |
6328 | void *file ATTRIBUTE_UNUSED) | |
6329 | { | |
6330 | unsigned char *start = section->start; | |
6331 | uint32_t version; | |
6332 | uint32_t cu_list_offset, tu_list_offset; | |
6333 | uint32_t address_table_offset, symbol_table_offset, constant_pool_offset; | |
6334 | unsigned int cu_list_elements, tu_list_elements; | |
6335 | unsigned int address_table_size, symbol_table_slots; | |
6336 | unsigned char *cu_list, *tu_list; | |
6337 | unsigned char *address_table, *symbol_table, *constant_pool; | |
6338 | unsigned int i; | |
6339 | ||
6340 | /* The documentation for the format of this file is in gdb/dwarf2read.c. */ | |
6341 | ||
6342 | printf (_("Contents of the %s section:\n"), section->name); | |
6343 | ||
6344 | if (section->size < 6 * sizeof (uint32_t)) | |
6345 | { | |
6346 | warn (_("Truncated header in the %s section.\n"), section->name); | |
6347 | return 0; | |
6348 | } | |
6349 | ||
6350 | version = byte_get_little_endian (start, 4); | |
da88a764 | 6351 | printf (_("Version %ld\n"), (long) version); |
5bbdf3d5 DE |
6352 | |
6353 | /* Prior versions are obsolete, and future versions may not be | |
6354 | backwards compatible. */ | |
aa170720 | 6355 | if (version < 3 || version > 8) |
5bbdf3d5 | 6356 | { |
da88a764 | 6357 | warn (_("Unsupported version %lu.\n"), (unsigned long) version); |
5bbdf3d5 DE |
6358 | return 0; |
6359 | } | |
8d6eee87 TT |
6360 | if (version < 4) |
6361 | warn (_("The address table data in version 3 may be wrong.\n")); | |
6362 | if (version < 5) | |
6363 | warn (_("Version 4 does not support case insensitive lookups.\n")); | |
6364 | if (version < 6) | |
6365 | warn (_("Version 5 does not include inlined functions.\n")); | |
6366 | if (version < 7) | |
6367 | warn (_("Version 6 does not include symbol attributes.\n")); | |
aa170720 DE |
6368 | /* Version 7 indices generated by Gold have bad type unit references, |
6369 | PR binutils/15021. But we don't know if the index was generated by | |
6370 | Gold or not, so to avoid worrying users with gdb-generated indices | |
6371 | we say nothing for version 7 here. */ | |
5bbdf3d5 DE |
6372 | |
6373 | cu_list_offset = byte_get_little_endian (start + 4, 4); | |
6374 | tu_list_offset = byte_get_little_endian (start + 8, 4); | |
6375 | address_table_offset = byte_get_little_endian (start + 12, 4); | |
6376 | symbol_table_offset = byte_get_little_endian (start + 16, 4); | |
6377 | constant_pool_offset = byte_get_little_endian (start + 20, 4); | |
6378 | ||
6379 | if (cu_list_offset > section->size | |
6380 | || tu_list_offset > section->size | |
6381 | || address_table_offset > section->size | |
6382 | || symbol_table_offset > section->size | |
6383 | || constant_pool_offset > section->size) | |
6384 | { | |
6385 | warn (_("Corrupt header in the %s section.\n"), section->name); | |
6386 | return 0; | |
6387 | } | |
6388 | ||
6389 | cu_list_elements = (tu_list_offset - cu_list_offset) / 8; | |
6390 | tu_list_elements = (address_table_offset - tu_list_offset) / 8; | |
6391 | address_table_size = symbol_table_offset - address_table_offset; | |
6392 | symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8; | |
6393 | ||
6394 | cu_list = start + cu_list_offset; | |
6395 | tu_list = start + tu_list_offset; | |
6396 | address_table = start + address_table_offset; | |
6397 | symbol_table = start + symbol_table_offset; | |
6398 | constant_pool = start + constant_pool_offset; | |
6399 | ||
6400 | printf (_("\nCU table:\n")); | |
6401 | for (i = 0; i < cu_list_elements; i += 2) | |
6402 | { | |
6403 | uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8); | |
6404 | uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8); | |
6405 | ||
6406 | printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2, | |
6407 | (unsigned long) cu_offset, | |
6408 | (unsigned long) (cu_offset + cu_length - 1)); | |
6409 | } | |
6410 | ||
6411 | printf (_("\nTU table:\n")); | |
6412 | for (i = 0; i < tu_list_elements; i += 3) | |
6413 | { | |
6414 | uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8); | |
6415 | uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8); | |
6416 | uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8); | |
6417 | ||
6418 | printf (_("[%3u] 0x%lx 0x%lx "), i / 3, | |
6419 | (unsigned long) tu_offset, | |
6420 | (unsigned long) type_offset); | |
6421 | print_dwarf_vma (signature, 8); | |
6422 | printf ("\n"); | |
6423 | } | |
6424 | ||
6425 | printf (_("\nAddress table:\n")); | |
6426 | for (i = 0; i < address_table_size; i += 2 * 8 + 4) | |
6427 | { | |
6428 | uint64_t low = byte_get_little_endian (address_table + i, 8); | |
6429 | uint64_t high = byte_get_little_endian (address_table + i + 8, 8); | |
6430 | uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4); | |
6431 | ||
6432 | print_dwarf_vma (low, 8); | |
6433 | print_dwarf_vma (high, 8); | |
da88a764 | 6434 | printf (_("%lu\n"), (unsigned long) cu_index); |
5bbdf3d5 DE |
6435 | } |
6436 | ||
6437 | printf (_("\nSymbol table:\n")); | |
6438 | for (i = 0; i < symbol_table_slots; ++i) | |
6439 | { | |
6440 | uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4); | |
6441 | uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4); | |
6442 | uint32_t num_cus, cu; | |
6443 | ||
6444 | if (name_offset != 0 | |
6445 | || cu_vector_offset != 0) | |
6446 | { | |
6447 | unsigned int j; | |
6448 | ||
6449 | printf ("[%3u] %s:", i, constant_pool + name_offset); | |
6450 | num_cus = byte_get_little_endian (constant_pool + cu_vector_offset, 4); | |
8d6eee87 TT |
6451 | if (num_cus > 1) |
6452 | printf ("\n"); | |
5bbdf3d5 DE |
6453 | for (j = 0; j < num_cus; ++j) |
6454 | { | |
7c1cef97 | 6455 | int is_static; |
8d6eee87 TT |
6456 | gdb_index_symbol_kind kind; |
6457 | ||
5bbdf3d5 | 6458 | cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4); |
7c1cef97 | 6459 | is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu); |
8d6eee87 TT |
6460 | kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu); |
6461 | cu = GDB_INDEX_CU_VALUE (cu); | |
5bbdf3d5 | 6462 | /* Convert to TU number if it's for a type unit. */ |
ad6b52dd | 6463 | if (cu >= cu_list_elements / 2) |
8d6eee87 TT |
6464 | printf ("%cT%lu", num_cus > 1 ? '\t' : ' ', |
6465 | (unsigned long) (cu - cu_list_elements / 2)); | |
5bbdf3d5 | 6466 | else |
8d6eee87 TT |
6467 | printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu); |
6468 | ||
459d52c8 DE |
6469 | printf (" [%s, %s]", |
6470 | is_static ? _("static") : _("global"), | |
6471 | get_gdb_index_symbol_kind_name (kind)); | |
8d6eee87 TT |
6472 | if (num_cus > 1) |
6473 | printf ("\n"); | |
5bbdf3d5 | 6474 | } |
8d6eee87 TT |
6475 | if (num_cus <= 1) |
6476 | printf ("\n"); | |
5bbdf3d5 DE |
6477 | } |
6478 | } | |
6479 | ||
6480 | return 1; | |
6481 | } | |
6482 | ||
657d0d47 CC |
6483 | /* Pre-allocate enough space for the CU/TU sets needed. */ |
6484 | ||
6485 | static void | |
6486 | prealloc_cu_tu_list (unsigned int nshndx) | |
6487 | { | |
6488 | if (shndx_pool == NULL) | |
6489 | { | |
6490 | shndx_pool_size = nshndx; | |
6491 | shndx_pool_used = 0; | |
6492 | shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size, | |
6493 | sizeof (unsigned int)); | |
6494 | } | |
6495 | else | |
6496 | { | |
6497 | shndx_pool_size = shndx_pool_used + nshndx; | |
6498 | shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size, | |
6499 | sizeof (unsigned int)); | |
6500 | } | |
6501 | } | |
6502 | ||
6503 | static void | |
6504 | add_shndx_to_cu_tu_entry (unsigned int shndx) | |
6505 | { | |
6506 | if (shndx_pool_used >= shndx_pool_size) | |
6507 | { | |
6508 | error (_("Internal error: out of space in the shndx pool.\n")); | |
6509 | return; | |
6510 | } | |
6511 | shndx_pool [shndx_pool_used++] = shndx; | |
6512 | } | |
6513 | ||
6514 | static void | |
6515 | end_cu_tu_entry (void) | |
6516 | { | |
6517 | if (shndx_pool_used >= shndx_pool_size) | |
6518 | { | |
6519 | error (_("Internal error: out of space in the shndx pool.\n")); | |
6520 | return; | |
6521 | } | |
6522 | shndx_pool [shndx_pool_used++] = 0; | |
6523 | } | |
6524 | ||
341f9135 CC |
6525 | /* Return the short name of a DWARF section given by a DW_SECT enumerator. */ |
6526 | ||
6527 | static const char * | |
6528 | get_DW_SECT_short_name (unsigned int dw_sect) | |
6529 | { | |
6530 | static char buf[16]; | |
6531 | ||
6532 | switch (dw_sect) | |
6533 | { | |
6534 | case DW_SECT_INFO: | |
6535 | return "info"; | |
6536 | case DW_SECT_TYPES: | |
6537 | return "types"; | |
6538 | case DW_SECT_ABBREV: | |
6539 | return "abbrev"; | |
6540 | case DW_SECT_LINE: | |
6541 | return "line"; | |
6542 | case DW_SECT_LOC: | |
6543 | return "loc"; | |
6544 | case DW_SECT_STR_OFFSETS: | |
6545 | return "str_off"; | |
6546 | case DW_SECT_MACINFO: | |
6547 | return "macinfo"; | |
6548 | case DW_SECT_MACRO: | |
6549 | return "macro"; | |
6550 | default: | |
6551 | break; | |
6552 | } | |
6553 | ||
6554 | snprintf (buf, sizeof (buf), "%d", dw_sect); | |
6555 | return buf; | |
6556 | } | |
6557 | ||
6558 | /* Process a CU or TU index. If DO_DISPLAY is true, print the contents. | |
6559 | These sections are extensions for Fission. | |
6560 | See http://gcc.gnu.org/wiki/DebugFissionDWP. */ | |
657d0d47 CC |
6561 | |
6562 | static int | |
6563 | process_cu_tu_index (struct dwarf_section *section, int do_display) | |
6564 | { | |
6565 | unsigned char *phdr = section->start; | |
6566 | unsigned char *limit = phdr + section->size; | |
6567 | unsigned char *phash; | |
6568 | unsigned char *pindex; | |
6569 | unsigned char *ppool; | |
6570 | unsigned int version; | |
341f9135 | 6571 | unsigned int ncols = 0; |
657d0d47 CC |
6572 | unsigned int nused; |
6573 | unsigned int nslots; | |
6574 | unsigned int i; | |
341f9135 CC |
6575 | unsigned int j; |
6576 | dwarf_vma signature_high; | |
6577 | dwarf_vma signature_low; | |
6578 | char buf[64]; | |
657d0d47 | 6579 | |
6937bb54 NC |
6580 | /* PR 17512: file: 002-168123-0.004. */ |
6581 | if (phdr == NULL) | |
6582 | { | |
6583 | warn (_("Section %s is empty\n"), section->name); | |
6584 | return 0; | |
6585 | } | |
6586 | /* PR 17512: file: 002-376-0.004. */ | |
6587 | if (section->size < 24) | |
6588 | { | |
6589 | warn (_("Section %s is too small to contain a CU/TU header"), | |
6590 | section->name); | |
6591 | return 0; | |
6592 | } | |
6593 | ||
6594 | SAFE_BYTE_GET (version, phdr, 4, limit); | |
341f9135 | 6595 | if (version >= 2) |
6937bb54 NC |
6596 | SAFE_BYTE_GET (ncols, phdr + 4, 4, limit); |
6597 | SAFE_BYTE_GET (nused, phdr + 8, 4, limit); | |
6598 | SAFE_BYTE_GET (nslots, phdr + 12, 4, limit); | |
6599 | ||
657d0d47 CC |
6600 | phash = phdr + 16; |
6601 | pindex = phash + nslots * 8; | |
6602 | ppool = pindex + nslots * 4; | |
6603 | ||
657d0d47 CC |
6604 | if (do_display) |
6605 | { | |
6606 | printf (_("Contents of the %s section:\n\n"), section->name); | |
6607 | printf (_(" Version: %d\n"), version); | |
341f9135 CC |
6608 | if (version >= 2) |
6609 | printf (_(" Number of columns: %d\n"), ncols); | |
657d0d47 CC |
6610 | printf (_(" Number of used entries: %d\n"), nused); |
6611 | printf (_(" Number of slots: %d\n\n"), nslots); | |
6612 | } | |
6613 | ||
6614 | if (ppool > limit) | |
6615 | { | |
6616 | warn (_("Section %s too small for %d hash table entries\n"), | |
6617 | section->name, nslots); | |
6618 | return 0; | |
6619 | } | |
6620 | ||
341f9135 | 6621 | if (version == 1) |
657d0d47 | 6622 | { |
341f9135 CC |
6623 | if (!do_display) |
6624 | prealloc_cu_tu_list ((limit - ppool) / 4); | |
6625 | for (i = 0; i < nslots; i++) | |
657d0d47 | 6626 | { |
341f9135 CC |
6627 | unsigned char *shndx_list; |
6628 | unsigned int shndx; | |
6629 | ||
6937bb54 | 6630 | SAFE_BYTE_GET64 (phash, &signature_high, &signature_low, limit); |
341f9135 | 6631 | if (signature_high != 0 || signature_low != 0) |
657d0d47 | 6632 | { |
6937bb54 | 6633 | SAFE_BYTE_GET (j, pindex, 4, limit); |
341f9135 CC |
6634 | shndx_list = ppool + j * 4; |
6635 | if (do_display) | |
6636 | printf (_(" [%3d] Signature: 0x%s Sections: "), | |
6637 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
6638 | buf, sizeof (buf))); | |
6639 | for (;;) | |
657d0d47 | 6640 | { |
341f9135 CC |
6641 | if (shndx_list >= limit) |
6642 | { | |
6643 | warn (_("Section %s too small for shndx pool\n"), | |
6644 | section->name); | |
6645 | return 0; | |
6646 | } | |
6937bb54 | 6647 | SAFE_BYTE_GET (shndx, shndx_list, 4, limit); |
341f9135 CC |
6648 | if (shndx == 0) |
6649 | break; | |
6650 | if (do_display) | |
6651 | printf (" %d", shndx); | |
6652 | else | |
6653 | add_shndx_to_cu_tu_entry (shndx); | |
6654 | shndx_list += 4; | |
657d0d47 | 6655 | } |
657d0d47 | 6656 | if (do_display) |
341f9135 | 6657 | printf ("\n"); |
657d0d47 | 6658 | else |
341f9135 CC |
6659 | end_cu_tu_entry (); |
6660 | } | |
6661 | phash += 8; | |
6662 | pindex += 4; | |
6663 | } | |
6664 | } | |
6665 | else if (version == 2) | |
6666 | { | |
6667 | unsigned int val; | |
6668 | unsigned int dw_sect; | |
6669 | unsigned char *ph = phash; | |
6670 | unsigned char *pi = pindex; | |
6671 | unsigned char *poffsets = ppool + ncols * 4; | |
6672 | unsigned char *psizes = poffsets + nused * ncols * 4; | |
6673 | unsigned char *pend = psizes + nused * ncols * 4; | |
6674 | bfd_boolean is_tu_index; | |
6675 | struct cu_tu_set *this_set = NULL; | |
6676 | unsigned int row; | |
6677 | unsigned char *prow; | |
6678 | ||
6679 | is_tu_index = strcmp (section->name, ".debug_tu_index") == 0; | |
6680 | ||
6681 | if (pend > limit) | |
6682 | { | |
6683 | warn (_("Section %s too small for offset and size tables\n"), | |
6684 | section->name); | |
6685 | return 0; | |
6686 | } | |
6687 | ||
6688 | if (do_display) | |
6689 | { | |
6690 | printf (_(" Offset table\n")); | |
6691 | printf (" slot %-16s ", | |
6692 | is_tu_index ? _("signature") : _("dwo_id")); | |
6693 | } | |
6694 | else | |
6695 | { | |
6696 | if (is_tu_index) | |
6697 | { | |
6698 | tu_count = nused; | |
6699 | tu_sets = xcmalloc (nused, sizeof (struct cu_tu_set)); | |
6700 | this_set = tu_sets; | |
657d0d47 | 6701 | } |
657d0d47 | 6702 | else |
341f9135 CC |
6703 | { |
6704 | cu_count = nused; | |
6705 | cu_sets = xcmalloc (nused, sizeof (struct cu_tu_set)); | |
6706 | this_set = cu_sets; | |
6707 | } | |
6708 | } | |
6937bb54 | 6709 | |
341f9135 CC |
6710 | if (do_display) |
6711 | { | |
6712 | for (j = 0; j < ncols; j++) | |
6713 | { | |
6937bb54 | 6714 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
341f9135 CC |
6715 | printf (" %8s", get_DW_SECT_short_name (dw_sect)); |
6716 | } | |
6717 | printf ("\n"); | |
6718 | } | |
6937bb54 | 6719 | |
341f9135 CC |
6720 | for (i = 0; i < nslots; i++) |
6721 | { | |
6937bb54 NC |
6722 | SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit); |
6723 | ||
6724 | SAFE_BYTE_GET (row, pi, 4, limit); | |
341f9135 CC |
6725 | if (row != 0) |
6726 | { | |
6727 | if (!do_display) | |
6728 | memcpy (&this_set[row - 1].signature, ph, sizeof (uint64_t)); | |
6937bb54 | 6729 | |
341f9135 | 6730 | prow = poffsets + (row - 1) * ncols * 4; |
6937bb54 | 6731 | |
341f9135 CC |
6732 | if (do_display) |
6733 | printf (_(" [%3d] 0x%s"), | |
6734 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
6735 | buf, sizeof (buf))); | |
6736 | for (j = 0; j < ncols; j++) | |
6737 | { | |
6937bb54 | 6738 | SAFE_BYTE_GET (val, prow + j * 4, 4, limit); |
341f9135 CC |
6739 | if (do_display) |
6740 | printf (" %8d", val); | |
6741 | else | |
6742 | { | |
6937bb54 | 6743 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
341f9135 CC |
6744 | this_set [row - 1].section_offsets [dw_sect] = val; |
6745 | } | |
6746 | } | |
6937bb54 | 6747 | |
341f9135 CC |
6748 | if (do_display) |
6749 | printf ("\n"); | |
6750 | } | |
6751 | ph += 8; | |
6752 | pi += 4; | |
6753 | } | |
6754 | ||
6755 | ph = phash; | |
6756 | pi = pindex; | |
6757 | if (do_display) | |
6758 | { | |
6759 | printf ("\n"); | |
6760 | printf (_(" Size table\n")); | |
6761 | printf (" slot %-16s ", | |
6762 | is_tu_index ? _("signature") : _("dwo_id")); | |
6763 | } | |
6937bb54 | 6764 | |
341f9135 CC |
6765 | for (j = 0; j < ncols; j++) |
6766 | { | |
6937bb54 | 6767 | SAFE_BYTE_GET (val, ppool + j * 4, 4, limit); |
341f9135 CC |
6768 | if (do_display) |
6769 | printf (" %8s", get_DW_SECT_short_name (val)); | |
6770 | } | |
6937bb54 | 6771 | |
341f9135 CC |
6772 | if (do_display) |
6773 | printf ("\n"); | |
6937bb54 | 6774 | |
341f9135 CC |
6775 | for (i = 0; i < nslots; i++) |
6776 | { | |
6937bb54 NC |
6777 | SAFE_BYTE_GET64 (ph, &signature_high, &signature_low, limit); |
6778 | ||
6779 | SAFE_BYTE_GET (row, pi, 4, limit); | |
341f9135 CC |
6780 | if (row != 0) |
6781 | { | |
6782 | prow = psizes + (row - 1) * ncols * 4; | |
6937bb54 | 6783 | |
341f9135 CC |
6784 | if (do_display) |
6785 | printf (_(" [%3d] 0x%s"), | |
6786 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
6787 | buf, sizeof (buf))); | |
6937bb54 | 6788 | |
341f9135 CC |
6789 | for (j = 0; j < ncols; j++) |
6790 | { | |
6937bb54 | 6791 | SAFE_BYTE_GET (val, prow + j * 4, 4, limit); |
341f9135 CC |
6792 | if (do_display) |
6793 | printf (" %8d", val); | |
6794 | else | |
6795 | { | |
6937bb54 | 6796 | SAFE_BYTE_GET (dw_sect, ppool + j * 4, 4, limit); |
341f9135 CC |
6797 | this_set [row - 1].section_sizes [dw_sect] = val; |
6798 | } | |
6799 | } | |
6937bb54 | 6800 | |
341f9135 CC |
6801 | if (do_display) |
6802 | printf ("\n"); | |
6803 | } | |
6937bb54 | 6804 | |
341f9135 CC |
6805 | ph += 8; |
6806 | pi += 4; | |
657d0d47 | 6807 | } |
657d0d47 | 6808 | } |
341f9135 | 6809 | else if (do_display) |
6937bb54 | 6810 | printf (_(" Unsupported version (%d)\n"), version); |
657d0d47 CC |
6811 | |
6812 | if (do_display) | |
6813 | printf ("\n"); | |
6814 | ||
6815 | return 1; | |
6816 | } | |
6817 | ||
6818 | /* Load the CU and TU indexes if present. This will build a list of | |
6819 | section sets that we can use to associate a .debug_info.dwo section | |
6820 | with its associated .debug_abbrev.dwo section in a .dwp file. */ | |
6821 | ||
6822 | static void | |
6823 | load_cu_tu_indexes (void *file) | |
6824 | { | |
6825 | /* If we have already loaded (or tried to load) the CU and TU indexes | |
6826 | then do not bother to repeat the task. */ | |
6827 | if (cu_tu_indexes_read) | |
6828 | return; | |
6829 | ||
6830 | if (load_debug_section (dwp_cu_index, file)) | |
6831 | process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0); | |
6832 | ||
6833 | if (load_debug_section (dwp_tu_index, file)) | |
6834 | process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0); | |
6835 | ||
6836 | cu_tu_indexes_read = 1; | |
6837 | } | |
6838 | ||
6839 | /* Find the set of sections that includes section SHNDX. */ | |
6840 | ||
6841 | unsigned int * | |
6842 | find_cu_tu_set (void *file, unsigned int shndx) | |
6843 | { | |
6844 | unsigned int i; | |
6845 | ||
6846 | load_cu_tu_indexes (file); | |
6847 | ||
6848 | /* Find SHNDX in the shndx pool. */ | |
6849 | for (i = 0; i < shndx_pool_used; i++) | |
6850 | if (shndx_pool [i] == shndx) | |
6851 | break; | |
6852 | ||
6853 | if (i >= shndx_pool_used) | |
6854 | return NULL; | |
6855 | ||
6856 | /* Now backup to find the first entry in the set. */ | |
6857 | while (i > 0 && shndx_pool [i - 1] != 0) | |
6858 | i--; | |
6859 | ||
6860 | return shndx_pool + i; | |
6861 | } | |
6862 | ||
6863 | /* Display a .debug_cu_index or .debug_tu_index section. */ | |
6864 | ||
6865 | static int | |
6866 | display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED) | |
6867 | { | |
6868 | return process_cu_tu_index (section, 1); | |
6869 | } | |
6870 | ||
19e6b90e L |
6871 | static int |
6872 | display_debug_not_supported (struct dwarf_section *section, | |
6873 | void *file ATTRIBUTE_UNUSED) | |
6874 | { | |
6875 | printf (_("Displaying the debug contents of section %s is not yet supported.\n"), | |
6876 | section->name); | |
6877 | ||
6878 | return 1; | |
6879 | } | |
6880 | ||
6881 | void * | |
6882 | cmalloc (size_t nmemb, size_t size) | |
6883 | { | |
6884 | /* Check for overflow. */ | |
6885 | if (nmemb >= ~(size_t) 0 / size) | |
6886 | return NULL; | |
6887 | else | |
6888 | return malloc (nmemb * size); | |
6889 | } | |
6890 | ||
6891 | void * | |
6892 | xcmalloc (size_t nmemb, size_t size) | |
6893 | { | |
6894 | /* Check for overflow. */ | |
6895 | if (nmemb >= ~(size_t) 0 / size) | |
6896 | return NULL; | |
6897 | else | |
6898 | return xmalloc (nmemb * size); | |
6899 | } | |
6900 | ||
6901 | void * | |
6902 | xcrealloc (void *ptr, size_t nmemb, size_t size) | |
6903 | { | |
6904 | /* Check for overflow. */ | |
6905 | if (nmemb >= ~(size_t) 0 / size) | |
6906 | return NULL; | |
6907 | else | |
6908 | return xrealloc (ptr, nmemb * size); | |
6909 | } | |
6910 | ||
19e6b90e L |
6911 | void |
6912 | free_debug_memory (void) | |
6913 | { | |
3f5e193b | 6914 | unsigned int i; |
19e6b90e L |
6915 | |
6916 | free_abbrevs (); | |
6917 | ||
6918 | for (i = 0; i < max; i++) | |
3f5e193b | 6919 | free_debug_section ((enum dwarf_section_display_enum) i); |
19e6b90e | 6920 | |
cc86f28f | 6921 | if (debug_information != NULL) |
19e6b90e | 6922 | { |
cc86f28f | 6923 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE) |
19e6b90e | 6924 | { |
cc86f28f | 6925 | for (i = 0; i < num_debug_info_entries; i++) |
19e6b90e | 6926 | { |
cc86f28f NC |
6927 | if (!debug_information [i].max_loc_offsets) |
6928 | { | |
6929 | free (debug_information [i].loc_offsets); | |
6930 | free (debug_information [i].have_frame_base); | |
6931 | } | |
6932 | if (!debug_information [i].max_range_lists) | |
6933 | free (debug_information [i].range_lists); | |
19e6b90e | 6934 | } |
19e6b90e | 6935 | } |
cc86f28f | 6936 | |
19e6b90e L |
6937 | free (debug_information); |
6938 | debug_information = NULL; | |
6939 | num_debug_info_entries = 0; | |
6940 | } | |
19e6b90e L |
6941 | } |
6942 | ||
4cb93e3b TG |
6943 | void |
6944 | dwarf_select_sections_by_names (const char *names) | |
6945 | { | |
6946 | typedef struct | |
6947 | { | |
6948 | const char * option; | |
6949 | int * variable; | |
f9f0e732 | 6950 | int val; |
4cb93e3b TG |
6951 | } |
6952 | debug_dump_long_opts; | |
6953 | ||
6954 | static const debug_dump_long_opts opts_table [] = | |
6955 | { | |
6956 | /* Please keep this table alpha- sorted. */ | |
6957 | { "Ranges", & do_debug_ranges, 1 }, | |
6958 | { "abbrev", & do_debug_abbrevs, 1 }, | |
657d0d47 | 6959 | { "addr", & do_debug_addr, 1 }, |
4cb93e3b | 6960 | { "aranges", & do_debug_aranges, 1 }, |
657d0d47 CC |
6961 | { "cu_index", & do_debug_cu_index, 1 }, |
6962 | { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED }, | |
4cb93e3b TG |
6963 | { "frames", & do_debug_frames, 1 }, |
6964 | { "frames-interp", & do_debug_frames_interp, 1 }, | |
657d0d47 CC |
6965 | /* The special .gdb_index section. */ |
6966 | { "gdb_index", & do_gdb_index, 1 }, | |
4cb93e3b TG |
6967 | { "info", & do_debug_info, 1 }, |
6968 | { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */ | |
4cb93e3b TG |
6969 | { "loc", & do_debug_loc, 1 }, |
6970 | { "macro", & do_debug_macinfo, 1 }, | |
6971 | { "pubnames", & do_debug_pubnames, 1 }, | |
357da287 | 6972 | { "pubtypes", & do_debug_pubtypes, 1 }, |
4cb93e3b TG |
6973 | /* This entry is for compatability |
6974 | with earlier versions of readelf. */ | |
6975 | { "ranges", & do_debug_aranges, 1 }, | |
657d0d47 | 6976 | { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, |
4cb93e3b | 6977 | { "str", & do_debug_str, 1 }, |
6f875884 TG |
6978 | /* These trace_* sections are used by Itanium VMS. */ |
6979 | { "trace_abbrev", & do_trace_abbrevs, 1 }, | |
6980 | { "trace_aranges", & do_trace_aranges, 1 }, | |
6981 | { "trace_info", & do_trace_info, 1 }, | |
4cb93e3b TG |
6982 | { NULL, NULL, 0 } |
6983 | }; | |
6984 | ||
6985 | const char *p; | |
467c65bc | 6986 | |
4cb93e3b TG |
6987 | p = names; |
6988 | while (*p) | |
6989 | { | |
6990 | const debug_dump_long_opts * entry; | |
467c65bc | 6991 | |
4cb93e3b TG |
6992 | for (entry = opts_table; entry->option; entry++) |
6993 | { | |
6994 | size_t len = strlen (entry->option); | |
467c65bc | 6995 | |
4cb93e3b TG |
6996 | if (strncmp (p, entry->option, len) == 0 |
6997 | && (p[len] == ',' || p[len] == '\0')) | |
6998 | { | |
6999 | * entry->variable |= entry->val; | |
467c65bc | 7000 | |
4cb93e3b TG |
7001 | /* The --debug-dump=frames-interp option also |
7002 | enables the --debug-dump=frames option. */ | |
7003 | if (do_debug_frames_interp) | |
7004 | do_debug_frames = 1; | |
7005 | ||
7006 | p += len; | |
7007 | break; | |
7008 | } | |
7009 | } | |
467c65bc | 7010 | |
4cb93e3b TG |
7011 | if (entry->option == NULL) |
7012 | { | |
7013 | warn (_("Unrecognized debug option '%s'\n"), p); | |
7014 | p = strchr (p, ','); | |
7015 | if (p == NULL) | |
7016 | break; | |
7017 | } | |
467c65bc | 7018 | |
4cb93e3b TG |
7019 | if (*p == ',') |
7020 | p++; | |
7021 | } | |
7022 | } | |
7023 | ||
7024 | void | |
7025 | dwarf_select_sections_by_letters (const char *letters) | |
7026 | { | |
91d6fa6a | 7027 | unsigned int lindex = 0; |
4cb93e3b | 7028 | |
91d6fa6a NC |
7029 | while (letters[lindex]) |
7030 | switch (letters[lindex++]) | |
4cb93e3b TG |
7031 | { |
7032 | case 'i': | |
7033 | do_debug_info = 1; | |
7034 | break; | |
467c65bc | 7035 | |
4cb93e3b TG |
7036 | case 'a': |
7037 | do_debug_abbrevs = 1; | |
7038 | break; | |
467c65bc | 7039 | |
4cb93e3b TG |
7040 | case 'l': |
7041 | do_debug_lines |= FLAG_DEBUG_LINES_RAW; | |
7042 | break; | |
467c65bc | 7043 | |
4cb93e3b TG |
7044 | case 'L': |
7045 | do_debug_lines |= FLAG_DEBUG_LINES_DECODED; | |
7046 | break; | |
467c65bc | 7047 | |
4cb93e3b TG |
7048 | case 'p': |
7049 | do_debug_pubnames = 1; | |
7050 | break; | |
467c65bc | 7051 | |
f9f0e732 NC |
7052 | case 't': |
7053 | do_debug_pubtypes = 1; | |
7054 | break; | |
467c65bc | 7055 | |
4cb93e3b TG |
7056 | case 'r': |
7057 | do_debug_aranges = 1; | |
7058 | break; | |
467c65bc | 7059 | |
4cb93e3b TG |
7060 | case 'R': |
7061 | do_debug_ranges = 1; | |
7062 | break; | |
467c65bc | 7063 | |
4cb93e3b TG |
7064 | case 'F': |
7065 | do_debug_frames_interp = 1; | |
7066 | case 'f': | |
7067 | do_debug_frames = 1; | |
7068 | break; | |
467c65bc | 7069 | |
4cb93e3b TG |
7070 | case 'm': |
7071 | do_debug_macinfo = 1; | |
7072 | break; | |
467c65bc | 7073 | |
4cb93e3b TG |
7074 | case 's': |
7075 | do_debug_str = 1; | |
7076 | break; | |
467c65bc | 7077 | |
4cb93e3b TG |
7078 | case 'o': |
7079 | do_debug_loc = 1; | |
7080 | break; | |
467c65bc | 7081 | |
4cb93e3b TG |
7082 | default: |
7083 | warn (_("Unrecognized debug option '%s'\n"), optarg); | |
7084 | break; | |
7085 | } | |
7086 | } | |
7087 | ||
7088 | void | |
7089 | dwarf_select_sections_all (void) | |
7090 | { | |
7091 | do_debug_info = 1; | |
7092 | do_debug_abbrevs = 1; | |
7093 | do_debug_lines = FLAG_DEBUG_LINES_RAW; | |
7094 | do_debug_pubnames = 1; | |
f9f0e732 | 7095 | do_debug_pubtypes = 1; |
4cb93e3b TG |
7096 | do_debug_aranges = 1; |
7097 | do_debug_ranges = 1; | |
7098 | do_debug_frames = 1; | |
7099 | do_debug_macinfo = 1; | |
7100 | do_debug_str = 1; | |
7101 | do_debug_loc = 1; | |
5bbdf3d5 | 7102 | do_gdb_index = 1; |
6f875884 TG |
7103 | do_trace_info = 1; |
7104 | do_trace_abbrevs = 1; | |
7105 | do_trace_aranges = 1; | |
657d0d47 CC |
7106 | do_debug_addr = 1; |
7107 | do_debug_cu_index = 1; | |
4cb93e3b TG |
7108 | } |
7109 | ||
19e6b90e L |
7110 | struct dwarf_section_display debug_displays[] = |
7111 | { | |
657d0d47 | 7112 | { { ".debug_abbrev", ".zdebug_abbrev", NULL, NULL, 0, 0, 0 }, |
4723351a | 7113 | display_debug_abbrev, &do_debug_abbrevs, 0 }, |
657d0d47 | 7114 | { { ".debug_aranges", ".zdebug_aranges", NULL, NULL, 0, 0, 0 }, |
4723351a | 7115 | display_debug_aranges, &do_debug_aranges, 1 }, |
657d0d47 | 7116 | { { ".debug_frame", ".zdebug_frame", NULL, NULL, 0, 0, 0 }, |
4723351a CC |
7117 | display_debug_frames, &do_debug_frames, 1 }, |
7118 | { { ".debug_info", ".zdebug_info", NULL, NULL, 0, 0, abbrev }, | |
7119 | display_debug_info, &do_debug_info, 1 }, | |
657d0d47 | 7120 | { { ".debug_line", ".zdebug_line", NULL, NULL, 0, 0, 0 }, |
4723351a | 7121 | display_debug_lines, &do_debug_lines, 1 }, |
657d0d47 | 7122 | { { ".debug_pubnames", ".zdebug_pubnames", NULL, NULL, 0, 0, 0 }, |
4723351a | 7123 | display_debug_pubnames, &do_debug_pubnames, 0 }, |
459d52c8 DE |
7124 | { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NULL, NULL, 0, 0, 0 }, |
7125 | display_debug_gnu_pubnames, &do_debug_pubnames, 0 }, | |
657d0d47 | 7126 | { { ".eh_frame", "", NULL, NULL, 0, 0, 0 }, |
4723351a | 7127 | display_debug_frames, &do_debug_frames, 1 }, |
657d0d47 | 7128 | { { ".debug_macinfo", ".zdebug_macinfo", NULL, NULL, 0, 0, 0 }, |
4723351a | 7129 | display_debug_macinfo, &do_debug_macinfo, 0 }, |
657d0d47 | 7130 | { { ".debug_macro", ".zdebug_macro", NULL, NULL, 0, 0, 0 }, |
4723351a | 7131 | display_debug_macro, &do_debug_macinfo, 1 }, |
657d0d47 | 7132 | { { ".debug_str", ".zdebug_str", NULL, NULL, 0, 0, 0 }, |
4723351a | 7133 | display_debug_str, &do_debug_str, 0 }, |
657d0d47 | 7134 | { { ".debug_loc", ".zdebug_loc", NULL, NULL, 0, 0, 0 }, |
4723351a | 7135 | display_debug_loc, &do_debug_loc, 1 }, |
657d0d47 | 7136 | { { ".debug_pubtypes", ".zdebug_pubtypes", NULL, NULL, 0, 0, 0 }, |
4723351a | 7137 | display_debug_pubnames, &do_debug_pubtypes, 0 }, |
459d52c8 DE |
7138 | { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NULL, NULL, 0, 0, 0 }, |
7139 | display_debug_gnu_pubnames, &do_debug_pubtypes, 0 }, | |
657d0d47 | 7140 | { { ".debug_ranges", ".zdebug_ranges", NULL, NULL, 0, 0, 0 }, |
4723351a | 7141 | display_debug_ranges, &do_debug_ranges, 1 }, |
657d0d47 | 7142 | { { ".debug_static_func", ".zdebug_static_func", NULL, NULL, 0, 0, 0 }, |
4723351a | 7143 | display_debug_not_supported, NULL, 0 }, |
657d0d47 | 7144 | { { ".debug_static_vars", ".zdebug_static_vars", NULL, NULL, 0, 0, 0 }, |
4723351a CC |
7145 | display_debug_not_supported, NULL, 0 }, |
7146 | { { ".debug_types", ".zdebug_types", NULL, NULL, 0, 0, abbrev }, | |
7147 | display_debug_types, &do_debug_info, 1 }, | |
657d0d47 | 7148 | { { ".debug_weaknames", ".zdebug_weaknames", NULL, NULL, 0, 0, 0 }, |
4723351a | 7149 | display_debug_not_supported, NULL, 0 }, |
657d0d47 CC |
7150 | { { ".gdb_index", "", NULL, NULL, 0, 0, 0 }, |
7151 | display_gdb_index, &do_gdb_index, 0 }, | |
4723351a | 7152 | { { ".trace_info", "", NULL, NULL, 0, 0, trace_abbrev }, |
657d0d47 CC |
7153 | display_trace_info, &do_trace_info, 1 }, |
7154 | { { ".trace_abbrev", "", NULL, NULL, 0, 0, 0 }, | |
7155 | display_debug_abbrev, &do_trace_abbrevs, 0 }, | |
7156 | { { ".trace_aranges", "", NULL, NULL, 0, 0, 0 }, | |
7157 | display_debug_aranges, &do_trace_aranges, 0 }, | |
4723351a | 7158 | { { ".debug_info.dwo", ".zdebug_info.dwo", NULL, NULL, 0, 0, abbrev_dwo }, |
657d0d47 CC |
7159 | display_debug_info, &do_debug_info, 1 }, |
7160 | { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NULL, NULL, 0, 0, 0 }, | |
7161 | display_debug_abbrev, &do_debug_abbrevs, 0 }, | |
4723351a | 7162 | { { ".debug_types.dwo", ".zdebug_types.dwo", NULL, NULL, 0, 0, abbrev_dwo }, |
657d0d47 CC |
7163 | display_debug_types, &do_debug_info, 1 }, |
7164 | { { ".debug_line.dwo", ".zdebug_line.dwo", NULL, NULL, 0, 0, 0 }, | |
7165 | display_debug_lines, &do_debug_lines, 1 }, | |
7166 | { { ".debug_loc.dwo", ".zdebug_loc.dwo", NULL, NULL, 0, 0, 0 }, | |
4723351a | 7167 | display_debug_loc, &do_debug_loc, 1 }, |
657d0d47 | 7168 | { { ".debug_macro.dwo", ".zdebug_macro.dwo", NULL, NULL, 0, 0, 0 }, |
4723351a | 7169 | display_debug_macro, &do_debug_macinfo, 1 }, |
657d0d47 | 7170 | { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NULL, NULL, 0, 0, 0 }, |
4723351a | 7171 | display_debug_macinfo, &do_debug_macinfo, 0 }, |
657d0d47 CC |
7172 | { { ".debug_str.dwo", ".zdebug_str.dwo", NULL, NULL, 0, 0, 0 }, |
7173 | display_debug_str, &do_debug_str, 1 }, | |
7174 | { { ".debug_str_offsets", ".zdebug_str_offsets", NULL, NULL, 0, 0, 0 }, | |
4723351a | 7175 | display_debug_str_offsets, NULL, 0 }, |
657d0d47 | 7176 | { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NULL, NULL, 0, 0, 0 }, |
4723351a | 7177 | display_debug_str_offsets, NULL, 0 }, |
657d0d47 CC |
7178 | { { ".debug_addr", ".zdebug_addr", NULL, NULL, 0, 0, 0 }, |
7179 | display_debug_addr, &do_debug_addr, 1 }, | |
7180 | { { ".debug_cu_index", "", NULL, NULL, 0, 0, 0 }, | |
7181 | display_cu_index, &do_debug_cu_index, 0 }, | |
7182 | { { ".debug_tu_index", "", NULL, NULL, 0, 0, 0 }, | |
7183 | display_cu_index, &do_debug_cu_index, 0 }, | |
19e6b90e | 7184 | }; |