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 | |
bad62cf5 AM |
121 | get_encoded_value (unsigned char *data, |
122 | int encoding, | |
123 | struct dwarf_section *section) | |
f1c4cc75 RH |
124 | { |
125 | int size = size_of_encoded_value (encoding); | |
bad62cf5 | 126 | dwarf_vma val; |
f1c4cc75 RH |
127 | |
128 | if (encoding & DW_EH_PE_signed) | |
bad62cf5 | 129 | val = byte_get_signed (data, size); |
f1c4cc75 | 130 | else |
bad62cf5 AM |
131 | val = byte_get (data, size); |
132 | ||
133 | if ((encoding & 0x70) == DW_EH_PE_pcrel) | |
134 | val += section->address + (data - section->start); | |
135 | return val; | |
f1c4cc75 RH |
136 | } |
137 | ||
2d9472a2 | 138 | #if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2) |
467c65bc | 139 | #ifndef __MINGW32__ |
bf5117e3 NC |
140 | #define DWARF_VMA_FMT "ll" |
141 | #define DWARF_VMA_FMT_LONG "%16.16llx" | |
2e14fae2 | 142 | #else |
bf5117e3 NC |
143 | #define DWARF_VMA_FMT "I64" |
144 | #define DWARF_VMA_FMT_LONG "%016I64x" | |
2e14fae2 | 145 | #endif |
2d9472a2 | 146 | #else |
bf5117e3 NC |
147 | #define DWARF_VMA_FMT "l" |
148 | #define DWARF_VMA_FMT_LONG "%16.16lx" | |
2d9472a2 NC |
149 | #endif |
150 | ||
bf5117e3 NC |
151 | /* Convert a dwarf vma value into a string. Returns a pointer to a static |
152 | buffer containing the converted VALUE. The value is converted according | |
153 | to the printf formating character FMTCH. If NUM_BYTES is non-zero then | |
154 | it specifies the maximum number of bytes to be displayed in the converted | |
155 | value and FMTCH is ignored - hex is always used. */ | |
467c65bc | 156 | |
47704ddf | 157 | static const char * |
bf5117e3 | 158 | dwarf_vmatoa_1 (const char *fmtch, dwarf_vma value, unsigned num_bytes) |
47704ddf KT |
159 | { |
160 | /* As dwarf_vmatoa is used more then once in a printf call | |
161 | for output, we are cycling through an fixed array of pointers | |
162 | for return address. */ | |
163 | static int buf_pos = 0; | |
467c65bc NC |
164 | static struct dwarf_vmatoa_buf |
165 | { | |
47704ddf KT |
166 | char place[64]; |
167 | } buf[16]; | |
47704ddf KT |
168 | char *ret; |
169 | ||
47704ddf | 170 | ret = buf[buf_pos++].place; |
467c65bc | 171 | buf_pos %= ARRAY_SIZE (buf); |
47704ddf | 172 | |
bf5117e3 NC |
173 | if (num_bytes) |
174 | { | |
175 | /* Printf does not have a way of specifiying a maximum field width for an | |
176 | integer value, so we print the full value into a buffer and then select | |
177 | the precision we need. */ | |
178 | snprintf (ret, sizeof (buf[0].place), DWARF_VMA_FMT_LONG, value); | |
179 | if (num_bytes > 8) | |
180 | num_bytes = 8; | |
181 | return ret + (16 - 2 * num_bytes); | |
182 | } | |
183 | else | |
184 | { | |
185 | char fmt[32]; | |
186 | ||
187 | sprintf (fmt, "%%%s%s", DWARF_VMA_FMT, fmtch); | |
188 | snprintf (ret, sizeof (buf[0].place), fmt, value); | |
189 | return ret; | |
190 | } | |
191 | } | |
47704ddf | 192 | |
bf5117e3 NC |
193 | static inline const char * |
194 | dwarf_vmatoa (const char * fmtch, dwarf_vma value) | |
195 | { | |
196 | return dwarf_vmatoa_1 (fmtch, value, 0); | |
197 | } | |
198 | ||
199 | /* Print a dwarf_vma value (typically an address, offset or length) in | |
200 | hexadecimal format, followed by a space. The length of the VALUE (and | |
201 | hence the precision displayed) is determined by the NUM_BYTES parameter. */ | |
202 | ||
203 | static void | |
204 | print_dwarf_vma (dwarf_vma value, unsigned num_bytes) | |
205 | { | |
206 | printf ("%s ", dwarf_vmatoa_1 (NULL, value, num_bytes)); | |
47704ddf KT |
207 | } |
208 | ||
74bc6052 CC |
209 | /* Format a 64-bit value, given as two 32-bit values, in hex. |
210 | For reentrancy, this uses a buffer provided by the caller. */ | |
211 | ||
212 | static const char * | |
213 | dwarf_vmatoa64 (dwarf_vma hvalue, dwarf_vma lvalue, char *buf, | |
214 | unsigned int buf_len) | |
215 | { | |
216 | int len = 0; | |
217 | ||
218 | if (hvalue == 0) | |
219 | snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", lvalue); | |
220 | else | |
221 | { | |
222 | len = snprintf (buf, buf_len, "%" DWARF_VMA_FMT "x", hvalue); | |
223 | snprintf (buf + len, buf_len - len, | |
224 | "%08" DWARF_VMA_FMT "x", lvalue); | |
225 | } | |
226 | ||
227 | return buf; | |
228 | } | |
229 | ||
f6f0e17b NC |
230 | /* Read in a LEB128 encoded value starting at address DATA. |
231 | If SIGN is true, return a signed LEB128 value. | |
232 | If LENGTH_RETURN is not NULL, return in it the number of bytes read. | |
233 | No bytes will be read at address END or beyond. */ | |
234 | ||
467c65bc | 235 | dwarf_vma |
f6f0e17b NC |
236 | read_leb128 (unsigned char *data, |
237 | unsigned int *length_return, | |
238 | bfd_boolean sign, | |
239 | const unsigned char * const end) | |
19e6b90e | 240 | { |
467c65bc | 241 | dwarf_vma result = 0; |
19e6b90e L |
242 | unsigned int num_read = 0; |
243 | unsigned int shift = 0; | |
f6f0e17b | 244 | unsigned char byte = 0; |
19e6b90e | 245 | |
f6f0e17b | 246 | while (data < end) |
19e6b90e L |
247 | { |
248 | byte = *data++; | |
249 | num_read++; | |
250 | ||
467c65bc | 251 | result |= ((dwarf_vma) (byte & 0x7f)) << shift; |
19e6b90e L |
252 | |
253 | shift += 7; | |
f6f0e17b NC |
254 | if ((byte & 0x80) == 0) |
255 | break; | |
19e6b90e | 256 | } |
19e6b90e L |
257 | |
258 | if (length_return != NULL) | |
259 | *length_return = num_read; | |
260 | ||
261 | if (sign && (shift < 8 * sizeof (result)) && (byte & 0x40)) | |
262 | result |= -1L << shift; | |
263 | ||
264 | return result; | |
265 | } | |
266 | ||
467c65bc | 267 | /* Create a signed version to avoid painful typecasts. */ |
f6f0e17b NC |
268 | static inline dwarf_signed_vma |
269 | read_sleb128 (unsigned char * data, | |
270 | unsigned int * length_return, | |
271 | const unsigned char * const end) | |
272 | { | |
273 | return (dwarf_signed_vma) read_leb128 (data, length_return, TRUE, end); | |
274 | } | |
275 | ||
276 | static inline dwarf_vma | |
277 | read_uleb128 (unsigned char * data, | |
278 | unsigned int * length_return, | |
279 | const unsigned char * const end) | |
467c65bc | 280 | { |
f6f0e17b | 281 | return read_leb128 (data, length_return, FALSE, end); |
467c65bc NC |
282 | } |
283 | ||
0c588247 NC |
284 | #define SAFE_BYTE_GET(VAL, PTR, AMOUNT, END) \ |
285 | do \ | |
286 | { \ | |
e39462cb | 287 | int dummy [sizeof (VAL) < (AMOUNT) ? -1 : 1] ATTRIBUTE_UNUSED ; \ |
0c588247 NC |
288 | unsigned int amount = (AMOUNT); \ |
289 | if (((PTR) + amount) >= (END)) \ | |
290 | { \ | |
291 | if ((PTR) < (END)) \ | |
292 | amount = (END) - (PTR); \ | |
293 | else \ | |
294 | amount = 0; \ | |
295 | } \ | |
296 | if (amount) \ | |
297 | VAL = byte_get ((PTR), amount); \ | |
298 | else \ | |
299 | VAL = 0; \ | |
300 | } \ | |
301 | while (0) | |
302 | ||
303 | #define SAFE_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \ | |
304 | do \ | |
305 | { \ | |
306 | SAFE_BYTE_GET (VAL, PTR, AMOUNT, END); \ | |
307 | PTR += AMOUNT; \ | |
308 | } \ | |
309 | while (0) | |
310 | ||
311 | #define SAFE_SIGNED_BYTE_GET(VAL, PTR, AMOUNT, END) \ | |
312 | do \ | |
313 | { \ | |
314 | unsigned int amount = (AMOUNT); \ | |
315 | if (((PTR) + amount) >= (END)) \ | |
316 | { \ | |
317 | if ((PTR) < (END)) \ | |
318 | amount = (END) - (PTR); \ | |
319 | else \ | |
320 | amount = 0; \ | |
321 | } \ | |
322 | if (amount) \ | |
323 | VAL = byte_get_signed ((PTR), amount); \ | |
324 | else \ | |
325 | VAL = 0; \ | |
326 | } \ | |
327 | while (0) | |
328 | ||
329 | #define SAFE_SIGNED_BYTE_GET_AND_INC(VAL, PTR, AMOUNT, END) \ | |
330 | do \ | |
331 | { \ | |
332 | SAFE_SIGNED_BYTE_GET (VAL, PTR, AMOUNT, END); \ | |
333 | PTR += AMOUNT; \ | |
334 | } \ | |
335 | while (0) | |
336 | ||
337 | #define SAFE_BYTE_GET64(PTR, HIGH, LOW, END) \ | |
338 | do \ | |
339 | { \ | |
87bc83b3 | 340 | if (((PTR) + 8) <= (END)) \ |
0c588247 NC |
341 | { \ |
342 | byte_get_64 ((PTR), (HIGH), (LOW)); \ | |
343 | } \ | |
344 | else \ | |
345 | { \ | |
0c588247 NC |
346 | * (LOW) = * (HIGH) = 0; \ |
347 | } \ | |
348 | } \ | |
349 | while (0) | |
350 | ||
19e6b90e L |
351 | typedef struct State_Machine_Registers |
352 | { | |
467c65bc | 353 | dwarf_vma address; |
19e6b90e L |
354 | unsigned int file; |
355 | unsigned int line; | |
356 | unsigned int column; | |
357 | int is_stmt; | |
358 | int basic_block; | |
a233b20c JJ |
359 | unsigned char op_index; |
360 | unsigned char end_sequence; | |
19e6b90e L |
361 | /* This variable hold the number of the last entry seen |
362 | in the File Table. */ | |
363 | unsigned int last_file_entry; | |
364 | } SMR; | |
365 | ||
366 | static SMR state_machine_regs; | |
367 | ||
368 | static void | |
369 | reset_state_machine (int is_stmt) | |
370 | { | |
371 | state_machine_regs.address = 0; | |
a233b20c | 372 | state_machine_regs.op_index = 0; |
19e6b90e L |
373 | state_machine_regs.file = 1; |
374 | state_machine_regs.line = 1; | |
375 | state_machine_regs.column = 0; | |
376 | state_machine_regs.is_stmt = is_stmt; | |
377 | state_machine_regs.basic_block = 0; | |
378 | state_machine_regs.end_sequence = 0; | |
379 | state_machine_regs.last_file_entry = 0; | |
380 | } | |
381 | ||
382 | /* Handled an extend line op. | |
383 | Returns the number of bytes read. */ | |
384 | ||
385 | static int | |
f6f0e17b NC |
386 | process_extended_line_op (unsigned char * data, |
387 | int is_stmt, | |
388 | unsigned char * end) | |
19e6b90e L |
389 | { |
390 | unsigned char op_code; | |
391 | unsigned int bytes_read; | |
392 | unsigned int len; | |
393 | unsigned char *name; | |
143a3db0 | 394 | unsigned char *orig_data = data; |
f6f0e17b | 395 | dwarf_vma adr; |
19e6b90e | 396 | |
f6f0e17b | 397 | len = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
398 | data += bytes_read; |
399 | ||
f6f0e17b | 400 | if (len == 0 || data == end) |
19e6b90e L |
401 | { |
402 | warn (_("badly formed extended line op encountered!\n")); | |
403 | return bytes_read; | |
404 | } | |
405 | ||
406 | len += bytes_read; | |
407 | op_code = *data++; | |
408 | ||
409 | printf (_(" Extended opcode %d: "), op_code); | |
410 | ||
411 | switch (op_code) | |
412 | { | |
413 | case DW_LNE_end_sequence: | |
414 | printf (_("End of Sequence\n\n")); | |
415 | reset_state_machine (is_stmt); | |
416 | break; | |
417 | ||
418 | case DW_LNE_set_address: | |
0c588247 | 419 | SAFE_BYTE_GET (adr, data, len - bytes_read - 1, end); |
47704ddf | 420 | printf (_("set Address to 0x%s\n"), dwarf_vmatoa ("x", adr)); |
19e6b90e | 421 | state_machine_regs.address = adr; |
a233b20c | 422 | state_machine_regs.op_index = 0; |
19e6b90e L |
423 | break; |
424 | ||
425 | case DW_LNE_define_file: | |
143a3db0 | 426 | printf (_("define new File Table entry\n")); |
19e6b90e | 427 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); |
cc5914eb | 428 | printf (" %d\t", ++state_machine_regs.last_file_entry); |
f6f0e17b | 429 | |
19e6b90e | 430 | name = data; |
0c588247 | 431 | data += strnlen ((char *) data, end - data) + 1; |
f6f0e17b | 432 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); |
19e6b90e | 433 | data += bytes_read; |
f6f0e17b | 434 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); |
19e6b90e | 435 | data += bytes_read; |
f6f0e17b | 436 | printf ("%s\t", dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); |
143a3db0 | 437 | data += bytes_read; |
f6f0e17b NC |
438 | printf ("%s\n\n", name); |
439 | ||
440 | if (((unsigned int) (data - orig_data) != len) || data == end) | |
441 | warn (_("DW_LNE_define_file: Bad opcode length\n")); | |
19e6b90e L |
442 | break; |
443 | ||
ed4a4bdf | 444 | case DW_LNE_set_discriminator: |
47704ddf | 445 | printf (_("set Discriminator to %s\n"), |
f6f0e17b | 446 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); |
ed4a4bdf CC |
447 | break; |
448 | ||
e2a0d921 NC |
449 | /* HP extensions. */ |
450 | case DW_LNE_HP_negate_is_UV_update: | |
ed4a4bdf | 451 | printf ("DW_LNE_HP_negate_is_UV_update\n"); |
e2a0d921 NC |
452 | break; |
453 | case DW_LNE_HP_push_context: | |
ed4a4bdf | 454 | printf ("DW_LNE_HP_push_context\n"); |
e2a0d921 NC |
455 | break; |
456 | case DW_LNE_HP_pop_context: | |
ed4a4bdf | 457 | printf ("DW_LNE_HP_pop_context\n"); |
e2a0d921 NC |
458 | break; |
459 | case DW_LNE_HP_set_file_line_column: | |
ed4a4bdf | 460 | printf ("DW_LNE_HP_set_file_line_column\n"); |
e2a0d921 NC |
461 | break; |
462 | case DW_LNE_HP_set_routine_name: | |
ed4a4bdf | 463 | printf ("DW_LNE_HP_set_routine_name\n"); |
e2a0d921 NC |
464 | break; |
465 | case DW_LNE_HP_set_sequence: | |
ed4a4bdf | 466 | printf ("DW_LNE_HP_set_sequence\n"); |
e2a0d921 NC |
467 | break; |
468 | case DW_LNE_HP_negate_post_semantics: | |
ed4a4bdf | 469 | printf ("DW_LNE_HP_negate_post_semantics\n"); |
e2a0d921 NC |
470 | break; |
471 | case DW_LNE_HP_negate_function_exit: | |
ed4a4bdf | 472 | printf ("DW_LNE_HP_negate_function_exit\n"); |
e2a0d921 NC |
473 | break; |
474 | case DW_LNE_HP_negate_front_end_logical: | |
ed4a4bdf | 475 | printf ("DW_LNE_HP_negate_front_end_logical\n"); |
e2a0d921 NC |
476 | break; |
477 | case DW_LNE_HP_define_proc: | |
ed4a4bdf | 478 | printf ("DW_LNE_HP_define_proc\n"); |
e2a0d921 | 479 | break; |
43294ab7 TG |
480 | case DW_LNE_HP_source_file_correlation: |
481 | { | |
482 | unsigned char *edata = data + len - bytes_read - 1; | |
483 | ||
484 | printf ("DW_LNE_HP_source_file_correlation\n"); | |
485 | ||
486 | while (data < edata) | |
487 | { | |
488 | unsigned int opc; | |
489 | ||
f6f0e17b | 490 | opc = read_uleb128 (data, & bytes_read, edata); |
43294ab7 TG |
491 | data += bytes_read; |
492 | ||
493 | switch (opc) | |
494 | { | |
495 | case DW_LNE_HP_SFC_formfeed: | |
496 | printf (" DW_LNE_HP_SFC_formfeed\n"); | |
497 | break; | |
498 | case DW_LNE_HP_SFC_set_listing_line: | |
499 | printf (" DW_LNE_HP_SFC_set_listing_line (%s)\n", | |
500 | dwarf_vmatoa ("u", | |
f6f0e17b | 501 | read_uleb128 (data, & bytes_read, edata))); |
43294ab7 TG |
502 | data += bytes_read; |
503 | break; | |
504 | case DW_LNE_HP_SFC_associate: | |
505 | printf (" DW_LNE_HP_SFC_associate "); | |
9cf03b7e | 506 | printf ("(%s", |
43294ab7 | 507 | dwarf_vmatoa ("u", |
f6f0e17b | 508 | read_uleb128 (data, & bytes_read, edata))); |
43294ab7 | 509 | data += bytes_read; |
9cf03b7e | 510 | printf (",%s", |
43294ab7 | 511 | dwarf_vmatoa ("u", |
f6f0e17b | 512 | read_uleb128 (data, & bytes_read, edata))); |
43294ab7 | 513 | data += bytes_read; |
9cf03b7e | 514 | printf (",%s)\n", |
43294ab7 | 515 | dwarf_vmatoa ("u", |
f6f0e17b | 516 | read_uleb128 (data, & bytes_read, edata))); |
43294ab7 TG |
517 | data += bytes_read; |
518 | break; | |
519 | default: | |
9cf03b7e | 520 | printf (_(" UNKNOWN DW_LNE_HP_SFC opcode (%u)\n"), opc); |
43294ab7 TG |
521 | data = edata; |
522 | break; | |
523 | } | |
524 | } | |
525 | } | |
526 | break; | |
cecf136e | 527 | |
19e6b90e | 528 | default: |
7e665af3 TG |
529 | { |
530 | unsigned int rlen = len - bytes_read - 1; | |
531 | ||
532 | if (op_code >= DW_LNE_lo_user | |
533 | /* The test against DW_LNW_hi_user is redundant due to | |
534 | the limited range of the unsigned char data type used | |
535 | for op_code. */ | |
536 | /*&& op_code <= DW_LNE_hi_user*/) | |
537 | printf (_("user defined: ")); | |
538 | else | |
539 | printf (_("UNKNOWN: ")); | |
540 | printf (_("length %d ["), rlen); | |
541 | for (; rlen; rlen--) | |
542 | printf (" %02x", *data++); | |
543 | printf ("]\n"); | |
544 | } | |
19e6b90e L |
545 | break; |
546 | } | |
547 | ||
548 | return len; | |
549 | } | |
550 | ||
0c588247 | 551 | static const unsigned char * |
467c65bc | 552 | fetch_indirect_string (dwarf_vma offset) |
19e6b90e L |
553 | { |
554 | struct dwarf_section *section = &debug_displays [str].section; | |
555 | ||
556 | if (section->start == NULL) | |
0c588247 | 557 | return (const unsigned char *) _("<no .debug_str section>"); |
19e6b90e L |
558 | |
559 | if (offset > section->size) | |
560 | { | |
467c65bc NC |
561 | warn (_("DW_FORM_strp offset too big: %s\n"), |
562 | dwarf_vmatoa ("x", offset)); | |
0c588247 | 563 | return (const unsigned char *) _("<offset is too big>"); |
19e6b90e L |
564 | } |
565 | ||
0c588247 | 566 | return (const unsigned char *) section->start + offset; |
19e6b90e L |
567 | } |
568 | ||
4723351a | 569 | static const char * |
341f9135 CC |
570 | fetch_indexed_string (dwarf_vma idx, struct cu_tu_set *this_set, |
571 | dwarf_vma offset_size, int dwo) | |
4723351a CC |
572 | { |
573 | enum dwarf_section_display_enum str_sec_idx = dwo ? str_dwo : str; | |
574 | enum dwarf_section_display_enum idx_sec_idx = dwo ? str_index_dwo : str_index; | |
575 | struct dwarf_section *index_section = &debug_displays [idx_sec_idx].section; | |
576 | struct dwarf_section *str_section = &debug_displays [str_sec_idx].section; | |
577 | dwarf_vma index_offset = idx * offset_size; | |
578 | dwarf_vma str_offset; | |
579 | ||
580 | if (index_section->start == NULL) | |
581 | return (dwo ? _("<no .debug_str_offsets.dwo section>") | |
582 | : _("<no .debug_str_offsets section>")); | |
583 | ||
341f9135 CC |
584 | if (this_set != NULL) |
585 | index_offset += this_set->section_offsets [DW_SECT_STR_OFFSETS]; | |
4723351a CC |
586 | if (index_offset > index_section->size) |
587 | { | |
588 | warn (_("DW_FORM_GNU_str_index offset too big: %s\n"), | |
589 | dwarf_vmatoa ("x", index_offset)); | |
590 | return _("<index offset is too big>"); | |
591 | } | |
592 | ||
593 | if (str_section->start == NULL) | |
594 | return (dwo ? _("<no .debug_str.dwo section>") | |
595 | : _("<no .debug_str section>")); | |
596 | ||
597 | str_offset = byte_get (index_section->start + index_offset, offset_size); | |
598 | str_offset -= str_section->address; | |
599 | if (str_offset > str_section->size) | |
600 | { | |
601 | warn (_("DW_FORM_GNU_str_index indirect offset too big: %s\n"), | |
602 | dwarf_vmatoa ("x", str_offset)); | |
603 | return _("<indirect index offset is too big>"); | |
604 | } | |
605 | ||
606 | return (const char *) str_section->start + str_offset; | |
607 | } | |
608 | ||
609 | static const char * | |
610 | fetch_indexed_value (dwarf_vma offset, dwarf_vma bytes) | |
611 | { | |
612 | struct dwarf_section *section = &debug_displays [debug_addr].section; | |
613 | ||
614 | if (section->start == NULL) | |
615 | return (_("<no .debug_addr section>")); | |
616 | ||
617 | if (offset + bytes > section->size) | |
618 | { | |
619 | warn (_("Offset into section %s too big: %s\n"), | |
620 | section->name, dwarf_vmatoa ("x", offset)); | |
621 | return "<offset too big>"; | |
622 | } | |
623 | ||
624 | return dwarf_vmatoa ("x", byte_get (section->start + offset, bytes)); | |
625 | } | |
626 | ||
627 | ||
19e6b90e L |
628 | /* FIXME: There are better and more efficient ways to handle |
629 | these structures. For now though, I just want something that | |
630 | is simple to implement. */ | |
631 | typedef struct abbrev_attr | |
632 | { | |
633 | unsigned long attribute; | |
634 | unsigned long form; | |
635 | struct abbrev_attr *next; | |
636 | } | |
637 | abbrev_attr; | |
638 | ||
639 | typedef struct abbrev_entry | |
640 | { | |
641 | unsigned long entry; | |
642 | unsigned long tag; | |
643 | int children; | |
644 | struct abbrev_attr *first_attr; | |
645 | struct abbrev_attr *last_attr; | |
646 | struct abbrev_entry *next; | |
647 | } | |
648 | abbrev_entry; | |
649 | ||
650 | static abbrev_entry *first_abbrev = NULL; | |
651 | static abbrev_entry *last_abbrev = NULL; | |
652 | ||
653 | static void | |
654 | free_abbrevs (void) | |
655 | { | |
91d6fa6a | 656 | abbrev_entry *abbrv; |
19e6b90e | 657 | |
91d6fa6a | 658 | for (abbrv = first_abbrev; abbrv;) |
19e6b90e | 659 | { |
91d6fa6a | 660 | abbrev_entry *next_abbrev = abbrv->next; |
19e6b90e L |
661 | abbrev_attr *attr; |
662 | ||
91d6fa6a | 663 | for (attr = abbrv->first_attr; attr;) |
19e6b90e | 664 | { |
91d6fa6a | 665 | abbrev_attr *next_attr = attr->next; |
19e6b90e L |
666 | |
667 | free (attr); | |
91d6fa6a | 668 | attr = next_attr; |
19e6b90e L |
669 | } |
670 | ||
91d6fa6a NC |
671 | free (abbrv); |
672 | abbrv = next_abbrev; | |
19e6b90e L |
673 | } |
674 | ||
675 | last_abbrev = first_abbrev = NULL; | |
676 | } | |
677 | ||
678 | static void | |
679 | add_abbrev (unsigned long number, unsigned long tag, int children) | |
680 | { | |
681 | abbrev_entry *entry; | |
682 | ||
3f5e193b | 683 | entry = (abbrev_entry *) malloc (sizeof (*entry)); |
19e6b90e L |
684 | if (entry == NULL) |
685 | /* ugg */ | |
686 | return; | |
687 | ||
688 | entry->entry = number; | |
689 | entry->tag = tag; | |
690 | entry->children = children; | |
691 | entry->first_attr = NULL; | |
692 | entry->last_attr = NULL; | |
693 | entry->next = NULL; | |
694 | ||
695 | if (first_abbrev == NULL) | |
696 | first_abbrev = entry; | |
697 | else | |
698 | last_abbrev->next = entry; | |
699 | ||
700 | last_abbrev = entry; | |
701 | } | |
702 | ||
703 | static void | |
704 | add_abbrev_attr (unsigned long attribute, unsigned long form) | |
705 | { | |
706 | abbrev_attr *attr; | |
707 | ||
3f5e193b | 708 | attr = (abbrev_attr *) malloc (sizeof (*attr)); |
19e6b90e L |
709 | if (attr == NULL) |
710 | /* ugg */ | |
711 | return; | |
712 | ||
713 | attr->attribute = attribute; | |
714 | attr->form = form; | |
715 | attr->next = NULL; | |
716 | ||
717 | if (last_abbrev->first_attr == NULL) | |
718 | last_abbrev->first_attr = attr; | |
719 | else | |
720 | last_abbrev->last_attr->next = attr; | |
721 | ||
722 | last_abbrev->last_attr = attr; | |
723 | } | |
724 | ||
725 | /* Processes the (partial) contents of a .debug_abbrev section. | |
726 | Returns NULL if the end of the section was encountered. | |
727 | Returns the address after the last byte read if the end of | |
728 | an abbreviation set was found. */ | |
729 | ||
730 | static unsigned char * | |
731 | process_abbrev_section (unsigned char *start, unsigned char *end) | |
732 | { | |
733 | if (first_abbrev != NULL) | |
734 | return NULL; | |
735 | ||
736 | while (start < end) | |
737 | { | |
738 | unsigned int bytes_read; | |
739 | unsigned long entry; | |
740 | unsigned long tag; | |
741 | unsigned long attribute; | |
742 | int children; | |
743 | ||
f6f0e17b | 744 | entry = read_uleb128 (start, & bytes_read, end); |
19e6b90e L |
745 | start += bytes_read; |
746 | ||
747 | /* A single zero is supposed to end the section according | |
748 | to the standard. If there's more, then signal that to | |
749 | the caller. */ | |
f6f0e17b NC |
750 | if (start == end) |
751 | return NULL; | |
19e6b90e | 752 | if (entry == 0) |
f6f0e17b | 753 | return start; |
19e6b90e | 754 | |
f6f0e17b | 755 | tag = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 756 | start += bytes_read; |
f6f0e17b NC |
757 | if (start == end) |
758 | return NULL; | |
19e6b90e L |
759 | |
760 | children = *start++; | |
761 | ||
762 | add_abbrev (entry, tag, children); | |
763 | ||
764 | do | |
765 | { | |
766 | unsigned long form; | |
767 | ||
f6f0e17b | 768 | attribute = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 769 | start += bytes_read; |
f6f0e17b NC |
770 | if (start == end) |
771 | break; | |
19e6b90e | 772 | |
f6f0e17b | 773 | form = read_uleb128 (start, & bytes_read, end); |
19e6b90e | 774 | start += bytes_read; |
f6f0e17b NC |
775 | if (start == end) |
776 | break; | |
19e6b90e | 777 | |
399c99f7 | 778 | add_abbrev_attr (attribute, form); |
19e6b90e L |
779 | } |
780 | while (attribute != 0); | |
781 | } | |
782 | ||
399c99f7 L |
783 | /* Report the missing single zero which ends the section. */ |
784 | error (_(".debug_abbrev section not zero terminated\n")); | |
785 | ||
19e6b90e L |
786 | return NULL; |
787 | } | |
788 | ||
a19c41a7 | 789 | static const char * |
19e6b90e L |
790 | get_TAG_name (unsigned long tag) |
791 | { | |
b9c361e0 | 792 | const char *name = get_DW_TAG_name ((unsigned int)tag); |
a19c41a7 TT |
793 | |
794 | if (name == NULL) | |
19e6b90e | 795 | { |
a19c41a7 | 796 | static char buffer[100]; |
19e6b90e | 797 | |
a19c41a7 TT |
798 | snprintf (buffer, sizeof (buffer), _("Unknown TAG value: %lx"), tag); |
799 | return buffer; | |
19e6b90e | 800 | } |
a19c41a7 TT |
801 | |
802 | return name; | |
19e6b90e L |
803 | } |
804 | ||
a19c41a7 | 805 | static const char * |
19e6b90e L |
806 | get_FORM_name (unsigned long form) |
807 | { | |
399c99f7 | 808 | const char *name; |
bf5117e3 | 809 | |
399c99f7 L |
810 | if (form == 0) |
811 | return "DW_FORM value: 0"; | |
a19c41a7 | 812 | |
399c99f7 | 813 | name = get_DW_FORM_name (form); |
a19c41a7 | 814 | if (name == NULL) |
19e6b90e | 815 | { |
a19c41a7 | 816 | static char buffer[100]; |
19e6b90e | 817 | |
a19c41a7 TT |
818 | snprintf (buffer, sizeof (buffer), _("Unknown FORM value: %lx"), form); |
819 | return buffer; | |
19e6b90e | 820 | } |
a19c41a7 TT |
821 | |
822 | return name; | |
19e6b90e L |
823 | } |
824 | ||
825 | static unsigned char * | |
0c588247 NC |
826 | display_block (unsigned char *data, |
827 | dwarf_vma length, | |
828 | const unsigned char * const end) | |
19e6b90e | 829 | { |
0c588247 NC |
830 | dwarf_vma maxlen; |
831 | ||
467c65bc | 832 | printf (_(" %s byte block: "), dwarf_vmatoa ("u", length)); |
19e6b90e | 833 | |
0c588247 NC |
834 | maxlen = (dwarf_vma) (end - data); |
835 | length = length > maxlen ? maxlen : length; | |
836 | ||
19e6b90e L |
837 | while (length --) |
838 | printf ("%lx ", (unsigned long) byte_get (data++, 1)); | |
839 | ||
840 | return data; | |
841 | } | |
842 | ||
843 | static int | |
844 | decode_location_expression (unsigned char * data, | |
845 | unsigned int pointer_size, | |
b7807392 JJ |
846 | unsigned int offset_size, |
847 | int dwarf_version, | |
467c65bc NC |
848 | dwarf_vma length, |
849 | dwarf_vma cu_offset, | |
f1c4cc75 | 850 | struct dwarf_section * section) |
19e6b90e L |
851 | { |
852 | unsigned op; | |
853 | unsigned int bytes_read; | |
467c65bc | 854 | dwarf_vma uvalue; |
0c588247 | 855 | dwarf_signed_vma svalue; |
19e6b90e L |
856 | unsigned char *end = data + length; |
857 | int need_frame_base = 0; | |
858 | ||
859 | while (data < end) | |
860 | { | |
861 | op = *data++; | |
862 | ||
863 | switch (op) | |
864 | { | |
865 | case DW_OP_addr: | |
0c588247 NC |
866 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
867 | printf ("DW_OP_addr: %s", dwarf_vmatoa ("x", uvalue)); | |
19e6b90e L |
868 | break; |
869 | case DW_OP_deref: | |
870 | printf ("DW_OP_deref"); | |
871 | break; | |
872 | case DW_OP_const1u: | |
0c588247 NC |
873 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
874 | printf ("DW_OP_const1u: %lu", (unsigned long) uvalue); | |
19e6b90e L |
875 | break; |
876 | case DW_OP_const1s: | |
0c588247 NC |
877 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 1, end); |
878 | printf ("DW_OP_const1s: %ld", (long) svalue); | |
19e6b90e L |
879 | break; |
880 | case DW_OP_const2u: | |
87bc83b3 | 881 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
0c588247 | 882 | printf ("DW_OP_const2u: %lu", (unsigned long) uvalue); |
19e6b90e L |
883 | break; |
884 | case DW_OP_const2s: | |
0c588247 NC |
885 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
886 | printf ("DW_OP_const2s: %ld", (long) svalue); | |
19e6b90e L |
887 | break; |
888 | case DW_OP_const4u: | |
0c588247 NC |
889 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
890 | printf ("DW_OP_const4u: %lu", (unsigned long) uvalue); | |
19e6b90e L |
891 | break; |
892 | case DW_OP_const4s: | |
0c588247 NC |
893 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
894 | printf ("DW_OP_const4s: %ld", (long) svalue); | |
19e6b90e L |
895 | break; |
896 | case DW_OP_const8u: | |
0c588247 NC |
897 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
898 | printf ("DW_OP_const8u: %lu ", (unsigned long) uvalue); | |
899 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); | |
900 | printf ("%lu", (unsigned long) uvalue); | |
19e6b90e L |
901 | break; |
902 | case DW_OP_const8s: | |
0c588247 NC |
903 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
904 | printf ("DW_OP_const8s: %ld ", (long) svalue); | |
905 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); | |
906 | printf ("%ld", (long) svalue); | |
19e6b90e L |
907 | break; |
908 | case DW_OP_constu: | |
467c65bc | 909 | printf ("DW_OP_constu: %s", |
f6f0e17b | 910 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
911 | data += bytes_read; |
912 | break; | |
913 | case DW_OP_consts: | |
467c65bc | 914 | printf ("DW_OP_consts: %s", |
f6f0e17b | 915 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
916 | data += bytes_read; |
917 | break; | |
918 | case DW_OP_dup: | |
919 | printf ("DW_OP_dup"); | |
920 | break; | |
921 | case DW_OP_drop: | |
922 | printf ("DW_OP_drop"); | |
923 | break; | |
924 | case DW_OP_over: | |
925 | printf ("DW_OP_over"); | |
926 | break; | |
927 | case DW_OP_pick: | |
0c588247 NC |
928 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
929 | printf ("DW_OP_pick: %ld", (unsigned long) uvalue); | |
19e6b90e L |
930 | break; |
931 | case DW_OP_swap: | |
932 | printf ("DW_OP_swap"); | |
933 | break; | |
934 | case DW_OP_rot: | |
935 | printf ("DW_OP_rot"); | |
936 | break; | |
937 | case DW_OP_xderef: | |
938 | printf ("DW_OP_xderef"); | |
939 | break; | |
940 | case DW_OP_abs: | |
941 | printf ("DW_OP_abs"); | |
942 | break; | |
943 | case DW_OP_and: | |
944 | printf ("DW_OP_and"); | |
945 | break; | |
946 | case DW_OP_div: | |
947 | printf ("DW_OP_div"); | |
948 | break; | |
949 | case DW_OP_minus: | |
950 | printf ("DW_OP_minus"); | |
951 | break; | |
952 | case DW_OP_mod: | |
953 | printf ("DW_OP_mod"); | |
954 | break; | |
955 | case DW_OP_mul: | |
956 | printf ("DW_OP_mul"); | |
957 | break; | |
958 | case DW_OP_neg: | |
959 | printf ("DW_OP_neg"); | |
960 | break; | |
961 | case DW_OP_not: | |
962 | printf ("DW_OP_not"); | |
963 | break; | |
964 | case DW_OP_or: | |
965 | printf ("DW_OP_or"); | |
966 | break; | |
967 | case DW_OP_plus: | |
968 | printf ("DW_OP_plus"); | |
969 | break; | |
970 | case DW_OP_plus_uconst: | |
467c65bc | 971 | printf ("DW_OP_plus_uconst: %s", |
f6f0e17b | 972 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
973 | data += bytes_read; |
974 | break; | |
975 | case DW_OP_shl: | |
976 | printf ("DW_OP_shl"); | |
977 | break; | |
978 | case DW_OP_shr: | |
979 | printf ("DW_OP_shr"); | |
980 | break; | |
981 | case DW_OP_shra: | |
982 | printf ("DW_OP_shra"); | |
983 | break; | |
984 | case DW_OP_xor: | |
985 | printf ("DW_OP_xor"); | |
986 | break; | |
987 | case DW_OP_bra: | |
0c588247 NC |
988 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
989 | printf ("DW_OP_bra: %ld", (long) svalue); | |
19e6b90e L |
990 | break; |
991 | case DW_OP_eq: | |
992 | printf ("DW_OP_eq"); | |
993 | break; | |
994 | case DW_OP_ge: | |
995 | printf ("DW_OP_ge"); | |
996 | break; | |
997 | case DW_OP_gt: | |
998 | printf ("DW_OP_gt"); | |
999 | break; | |
1000 | case DW_OP_le: | |
1001 | printf ("DW_OP_le"); | |
1002 | break; | |
1003 | case DW_OP_lt: | |
1004 | printf ("DW_OP_lt"); | |
1005 | break; | |
1006 | case DW_OP_ne: | |
1007 | printf ("DW_OP_ne"); | |
1008 | break; | |
1009 | case DW_OP_skip: | |
0c588247 NC |
1010 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
1011 | printf ("DW_OP_skip: %ld", (long) svalue); | |
19e6b90e L |
1012 | break; |
1013 | ||
1014 | case DW_OP_lit0: | |
1015 | case DW_OP_lit1: | |
1016 | case DW_OP_lit2: | |
1017 | case DW_OP_lit3: | |
1018 | case DW_OP_lit4: | |
1019 | case DW_OP_lit5: | |
1020 | case DW_OP_lit6: | |
1021 | case DW_OP_lit7: | |
1022 | case DW_OP_lit8: | |
1023 | case DW_OP_lit9: | |
1024 | case DW_OP_lit10: | |
1025 | case DW_OP_lit11: | |
1026 | case DW_OP_lit12: | |
1027 | case DW_OP_lit13: | |
1028 | case DW_OP_lit14: | |
1029 | case DW_OP_lit15: | |
1030 | case DW_OP_lit16: | |
1031 | case DW_OP_lit17: | |
1032 | case DW_OP_lit18: | |
1033 | case DW_OP_lit19: | |
1034 | case DW_OP_lit20: | |
1035 | case DW_OP_lit21: | |
1036 | case DW_OP_lit22: | |
1037 | case DW_OP_lit23: | |
1038 | case DW_OP_lit24: | |
1039 | case DW_OP_lit25: | |
1040 | case DW_OP_lit26: | |
1041 | case DW_OP_lit27: | |
1042 | case DW_OP_lit28: | |
1043 | case DW_OP_lit29: | |
1044 | case DW_OP_lit30: | |
1045 | case DW_OP_lit31: | |
1046 | printf ("DW_OP_lit%d", op - DW_OP_lit0); | |
1047 | break; | |
1048 | ||
1049 | case DW_OP_reg0: | |
1050 | case DW_OP_reg1: | |
1051 | case DW_OP_reg2: | |
1052 | case DW_OP_reg3: | |
1053 | case DW_OP_reg4: | |
1054 | case DW_OP_reg5: | |
1055 | case DW_OP_reg6: | |
1056 | case DW_OP_reg7: | |
1057 | case DW_OP_reg8: | |
1058 | case DW_OP_reg9: | |
1059 | case DW_OP_reg10: | |
1060 | case DW_OP_reg11: | |
1061 | case DW_OP_reg12: | |
1062 | case DW_OP_reg13: | |
1063 | case DW_OP_reg14: | |
1064 | case DW_OP_reg15: | |
1065 | case DW_OP_reg16: | |
1066 | case DW_OP_reg17: | |
1067 | case DW_OP_reg18: | |
1068 | case DW_OP_reg19: | |
1069 | case DW_OP_reg20: | |
1070 | case DW_OP_reg21: | |
1071 | case DW_OP_reg22: | |
1072 | case DW_OP_reg23: | |
1073 | case DW_OP_reg24: | |
1074 | case DW_OP_reg25: | |
1075 | case DW_OP_reg26: | |
1076 | case DW_OP_reg27: | |
1077 | case DW_OP_reg28: | |
1078 | case DW_OP_reg29: | |
1079 | case DW_OP_reg30: | |
1080 | case DW_OP_reg31: | |
18464d4d JK |
1081 | printf ("DW_OP_reg%d (%s)", op - DW_OP_reg0, |
1082 | regname (op - DW_OP_reg0, 1)); | |
19e6b90e L |
1083 | break; |
1084 | ||
1085 | case DW_OP_breg0: | |
1086 | case DW_OP_breg1: | |
1087 | case DW_OP_breg2: | |
1088 | case DW_OP_breg3: | |
1089 | case DW_OP_breg4: | |
1090 | case DW_OP_breg5: | |
1091 | case DW_OP_breg6: | |
1092 | case DW_OP_breg7: | |
1093 | case DW_OP_breg8: | |
1094 | case DW_OP_breg9: | |
1095 | case DW_OP_breg10: | |
1096 | case DW_OP_breg11: | |
1097 | case DW_OP_breg12: | |
1098 | case DW_OP_breg13: | |
1099 | case DW_OP_breg14: | |
1100 | case DW_OP_breg15: | |
1101 | case DW_OP_breg16: | |
1102 | case DW_OP_breg17: | |
1103 | case DW_OP_breg18: | |
1104 | case DW_OP_breg19: | |
1105 | case DW_OP_breg20: | |
1106 | case DW_OP_breg21: | |
1107 | case DW_OP_breg22: | |
1108 | case DW_OP_breg23: | |
1109 | case DW_OP_breg24: | |
1110 | case DW_OP_breg25: | |
1111 | case DW_OP_breg26: | |
1112 | case DW_OP_breg27: | |
1113 | case DW_OP_breg28: | |
1114 | case DW_OP_breg29: | |
1115 | case DW_OP_breg30: | |
1116 | case DW_OP_breg31: | |
467c65bc | 1117 | printf ("DW_OP_breg%d (%s): %s", |
47704ddf | 1118 | op - DW_OP_breg0, |
18464d4d | 1119 | regname (op - DW_OP_breg0, 1), |
f6f0e17b | 1120 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1121 | data += bytes_read; |
1122 | break; | |
1123 | ||
1124 | case DW_OP_regx: | |
f6f0e17b | 1125 | uvalue = read_uleb128 (data, &bytes_read, end); |
19e6b90e | 1126 | data += bytes_read; |
467c65bc NC |
1127 | printf ("DW_OP_regx: %s (%s)", |
1128 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); | |
19e6b90e L |
1129 | break; |
1130 | case DW_OP_fbreg: | |
1131 | need_frame_base = 1; | |
467c65bc | 1132 | printf ("DW_OP_fbreg: %s", |
f6f0e17b | 1133 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1134 | data += bytes_read; |
1135 | break; | |
1136 | case DW_OP_bregx: | |
f6f0e17b | 1137 | uvalue = read_uleb128 (data, &bytes_read, end); |
19e6b90e | 1138 | data += bytes_read; |
467c65bc NC |
1139 | printf ("DW_OP_bregx: %s (%s) %s", |
1140 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1), | |
f6f0e17b | 1141 | dwarf_vmatoa ("d", read_sleb128 (data, &bytes_read, end))); |
19e6b90e L |
1142 | data += bytes_read; |
1143 | break; | |
1144 | case DW_OP_piece: | |
467c65bc | 1145 | printf ("DW_OP_piece: %s", |
f6f0e17b | 1146 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
19e6b90e L |
1147 | data += bytes_read; |
1148 | break; | |
1149 | case DW_OP_deref_size: | |
0c588247 NC |
1150 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1151 | printf ("DW_OP_deref_size: %ld", (long) uvalue); | |
19e6b90e L |
1152 | break; |
1153 | case DW_OP_xderef_size: | |
0c588247 NC |
1154 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1155 | printf ("DW_OP_xderef_size: %ld", (long) uvalue); | |
19e6b90e L |
1156 | break; |
1157 | case DW_OP_nop: | |
1158 | printf ("DW_OP_nop"); | |
1159 | break; | |
1160 | ||
1161 | /* DWARF 3 extensions. */ | |
1162 | case DW_OP_push_object_address: | |
1163 | printf ("DW_OP_push_object_address"); | |
1164 | break; | |
1165 | case DW_OP_call2: | |
1166 | /* XXX: Strictly speaking for 64-bit DWARF3 files | |
1167 | this ought to be an 8-byte wide computation. */ | |
0c588247 | 1168 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 2, end); |
467c65bc | 1169 | printf ("DW_OP_call2: <0x%s>", |
0c588247 | 1170 | dwarf_vmatoa ("x", svalue + cu_offset)); |
19e6b90e L |
1171 | break; |
1172 | case DW_OP_call4: | |
1173 | /* XXX: Strictly speaking for 64-bit DWARF3 files | |
1174 | this ought to be an 8-byte wide computation. */ | |
0c588247 | 1175 | SAFE_SIGNED_BYTE_GET_AND_INC (svalue, data, 4, end); |
467c65bc | 1176 | printf ("DW_OP_call4: <0x%s>", |
0c588247 | 1177 | dwarf_vmatoa ("x", svalue + cu_offset)); |
19e6b90e L |
1178 | break; |
1179 | case DW_OP_call_ref: | |
e2a0d921 NC |
1180 | /* XXX: Strictly speaking for 64-bit DWARF3 files |
1181 | this ought to be an 8-byte wide computation. */ | |
b7807392 JJ |
1182 | if (dwarf_version == -1) |
1183 | { | |
1184 | printf (_("(DW_OP_call_ref in frame info)")); | |
1185 | /* No way to tell where the next op is, so just bail. */ | |
1186 | return need_frame_base; | |
1187 | } | |
1188 | if (dwarf_version == 2) | |
1189 | { | |
0c588247 | 1190 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
b7807392 JJ |
1191 | } |
1192 | else | |
1193 | { | |
0c588247 | 1194 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
b7807392 | 1195 | } |
0c588247 | 1196 | printf ("DW_OP_call_ref: <0x%s>", dwarf_vmatoa ("x", uvalue)); |
19e6b90e | 1197 | break; |
a87b0a59 NS |
1198 | case DW_OP_form_tls_address: |
1199 | printf ("DW_OP_form_tls_address"); | |
1200 | break; | |
e2a0d921 NC |
1201 | case DW_OP_call_frame_cfa: |
1202 | printf ("DW_OP_call_frame_cfa"); | |
1203 | break; | |
1204 | case DW_OP_bit_piece: | |
1205 | printf ("DW_OP_bit_piece: "); | |
9cf03b7e | 1206 | printf (_("size: %s "), |
f6f0e17b | 1207 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
e2a0d921 | 1208 | data += bytes_read; |
9cf03b7e | 1209 | printf (_("offset: %s "), |
f6f0e17b | 1210 | dwarf_vmatoa ("u", read_uleb128 (data, &bytes_read, end))); |
e2a0d921 NC |
1211 | data += bytes_read; |
1212 | break; | |
19e6b90e | 1213 | |
3244e8f5 JJ |
1214 | /* DWARF 4 extensions. */ |
1215 | case DW_OP_stack_value: | |
1216 | printf ("DW_OP_stack_value"); | |
1217 | break; | |
1218 | ||
1219 | case DW_OP_implicit_value: | |
1220 | printf ("DW_OP_implicit_value"); | |
f6f0e17b | 1221 | uvalue = read_uleb128 (data, &bytes_read, end); |
3244e8f5 | 1222 | data += bytes_read; |
0c588247 | 1223 | display_block (data, uvalue, end); |
3244e8f5 JJ |
1224 | data += uvalue; |
1225 | break; | |
1226 | ||
19e6b90e L |
1227 | /* GNU extensions. */ |
1228 | case DW_OP_GNU_push_tls_address: | |
9cf03b7e | 1229 | printf (_("DW_OP_GNU_push_tls_address or DW_OP_HP_unknown")); |
e2a0d921 NC |
1230 | break; |
1231 | case DW_OP_GNU_uninit: | |
1232 | printf ("DW_OP_GNU_uninit"); | |
1233 | /* FIXME: Is there data associated with this OP ? */ | |
1234 | break; | |
f1c4cc75 RH |
1235 | case DW_OP_GNU_encoded_addr: |
1236 | { | |
1237 | int encoding; | |
1238 | dwarf_vma addr; | |
467c65bc | 1239 | |
f1c4cc75 | 1240 | encoding = *data++; |
bad62cf5 | 1241 | addr = get_encoded_value (data, encoding, section); |
f1c4cc75 RH |
1242 | data += size_of_encoded_value (encoding); |
1243 | ||
1244 | printf ("DW_OP_GNU_encoded_addr: fmt:%02x addr:", encoding); | |
1245 | print_dwarf_vma (addr, pointer_size); | |
1246 | } | |
1247 | break; | |
b7807392 JJ |
1248 | case DW_OP_GNU_implicit_pointer: |
1249 | /* XXX: Strictly speaking for 64-bit DWARF3 files | |
1250 | this ought to be an 8-byte wide computation. */ | |
1251 | if (dwarf_version == -1) | |
1252 | { | |
1253 | printf (_("(DW_OP_GNU_implicit_pointer in frame info)")); | |
1254 | /* No way to tell where the next op is, so just bail. */ | |
1255 | return need_frame_base; | |
1256 | } | |
1257 | if (dwarf_version == 2) | |
1258 | { | |
0c588247 | 1259 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
b7807392 JJ |
1260 | } |
1261 | else | |
1262 | { | |
0c588247 | 1263 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
b7807392 | 1264 | } |
0c588247 NC |
1265 | printf ("DW_OP_GNU_implicit_pointer: <0x%s> %s", |
1266 | dwarf_vmatoa ("x", uvalue), | |
1267 | dwarf_vmatoa ("d", read_sleb128 (data, | |
1268 | &bytes_read, end))); | |
1269 | data += bytes_read; | |
b7807392 | 1270 | break; |
0892011d | 1271 | case DW_OP_GNU_entry_value: |
f6f0e17b | 1272 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1273 | data += bytes_read; |
1274 | printf ("DW_OP_GNU_entry_value: ("); | |
1275 | if (decode_location_expression (data, pointer_size, offset_size, | |
1276 | dwarf_version, uvalue, | |
1277 | cu_offset, section)) | |
1278 | need_frame_base = 1; | |
1279 | putchar (')'); | |
1280 | data += uvalue; | |
1281 | break; | |
1282 | case DW_OP_GNU_const_type: | |
f6f0e17b | 1283 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1284 | data += bytes_read; |
1285 | printf ("DW_OP_GNU_const_type: <0x%s> ", | |
1286 | dwarf_vmatoa ("x", cu_offset + uvalue)); | |
0c588247 NC |
1287 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1288 | display_block (data, uvalue, end); | |
0892011d JJ |
1289 | data += uvalue; |
1290 | break; | |
1291 | case DW_OP_GNU_regval_type: | |
f6f0e17b | 1292 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1293 | data += bytes_read; |
1294 | printf ("DW_OP_GNU_regval_type: %s (%s)", | |
1295 | dwarf_vmatoa ("u", uvalue), regname (uvalue, 1)); | |
f6f0e17b | 1296 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1297 | data += bytes_read; |
1298 | printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); | |
1299 | break; | |
1300 | case DW_OP_GNU_deref_type: | |
0c588247 NC |
1301 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
1302 | printf ("DW_OP_GNU_deref_type: %ld", (long) uvalue); | |
f6f0e17b | 1303 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1304 | data += bytes_read; |
1305 | printf (" <0x%s>", dwarf_vmatoa ("x", cu_offset + uvalue)); | |
1306 | break; | |
1307 | case DW_OP_GNU_convert: | |
f6f0e17b | 1308 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1309 | data += bytes_read; |
1310 | printf ("DW_OP_GNU_convert <0x%s>", | |
f8b999f9 | 1311 | dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0)); |
0892011d JJ |
1312 | break; |
1313 | case DW_OP_GNU_reinterpret: | |
f6f0e17b | 1314 | uvalue = read_uleb128 (data, &bytes_read, end); |
0892011d JJ |
1315 | data += bytes_read; |
1316 | printf ("DW_OP_GNU_reinterpret <0x%s>", | |
f8b999f9 JJ |
1317 | dwarf_vmatoa ("x", uvalue ? cu_offset + uvalue : 0)); |
1318 | break; | |
1319 | case DW_OP_GNU_parameter_ref: | |
0c588247 | 1320 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
f8b999f9 | 1321 | printf ("DW_OP_GNU_parameter_ref: <0x%s>", |
0c588247 | 1322 | dwarf_vmatoa ("x", cu_offset + uvalue)); |
0892011d | 1323 | break; |
4723351a | 1324 | case DW_OP_GNU_addr_index: |
f6f0e17b | 1325 | uvalue = read_uleb128 (data, &bytes_read, end); |
4723351a CC |
1326 | data += bytes_read; |
1327 | printf ("DW_OP_GNU_addr_index <0x%s>", dwarf_vmatoa ("x", uvalue)); | |
1328 | break; | |
aae628c1 | 1329 | case DW_OP_GNU_const_index: |
f6f0e17b | 1330 | uvalue = read_uleb128 (data, &bytes_read, end); |
aae628c1 CC |
1331 | data += bytes_read; |
1332 | printf ("DW_OP_GNU_const_index <0x%s>", dwarf_vmatoa ("x", uvalue)); | |
1333 | break; | |
e2a0d921 NC |
1334 | |
1335 | /* HP extensions. */ | |
1336 | case DW_OP_HP_is_value: | |
1337 | printf ("DW_OP_HP_is_value"); | |
1338 | /* FIXME: Is there data associated with this OP ? */ | |
1339 | break; | |
1340 | case DW_OP_HP_fltconst4: | |
1341 | printf ("DW_OP_HP_fltconst4"); | |
1342 | /* FIXME: Is there data associated with this OP ? */ | |
1343 | break; | |
1344 | case DW_OP_HP_fltconst8: | |
1345 | printf ("DW_OP_HP_fltconst8"); | |
1346 | /* FIXME: Is there data associated with this OP ? */ | |
1347 | break; | |
1348 | case DW_OP_HP_mod_range: | |
1349 | printf ("DW_OP_HP_mod_range"); | |
1350 | /* FIXME: Is there data associated with this OP ? */ | |
1351 | break; | |
1352 | case DW_OP_HP_unmod_range: | |
1353 | printf ("DW_OP_HP_unmod_range"); | |
1354 | /* FIXME: Is there data associated with this OP ? */ | |
1355 | break; | |
1356 | case DW_OP_HP_tls: | |
1357 | printf ("DW_OP_HP_tls"); | |
1358 | /* FIXME: Is there data associated with this OP ? */ | |
19e6b90e L |
1359 | break; |
1360 | ||
35d60fe4 NC |
1361 | /* PGI (STMicroelectronics) extensions. */ |
1362 | case DW_OP_PGI_omp_thread_num: | |
1363 | /* Pushes the thread number for the current thread as it would be | |
1364 | returned by the standard OpenMP library function: | |
1365 | omp_get_thread_num(). The "current thread" is the thread for | |
1366 | which the expression is being evaluated. */ | |
1367 | printf ("DW_OP_PGI_omp_thread_num"); | |
1368 | break; | |
1369 | ||
19e6b90e L |
1370 | default: |
1371 | if (op >= DW_OP_lo_user | |
1372 | && op <= DW_OP_hi_user) | |
1373 | printf (_("(User defined location op)")); | |
1374 | else | |
1375 | printf (_("(Unknown location op)")); | |
1376 | /* No way to tell where the next op is, so just bail. */ | |
1377 | return need_frame_base; | |
1378 | } | |
1379 | ||
1380 | /* Separate the ops. */ | |
1381 | if (data < end) | |
1382 | printf ("; "); | |
1383 | } | |
1384 | ||
1385 | return need_frame_base; | |
1386 | } | |
1387 | ||
341f9135 CC |
1388 | /* Find the CU or TU set corresponding to the given CU_OFFSET. |
1389 | This is used for DWARF package files. */ | |
1390 | ||
1391 | static struct cu_tu_set * | |
1392 | find_cu_tu_set_v2 (dwarf_vma cu_offset, int do_types) | |
1393 | { | |
1394 | struct cu_tu_set *p; | |
1395 | unsigned int nsets; | |
1396 | unsigned int dw_sect; | |
1397 | ||
1398 | if (do_types) | |
1399 | { | |
1400 | p = tu_sets; | |
1401 | nsets = tu_count; | |
1402 | dw_sect = DW_SECT_TYPES; | |
1403 | } | |
1404 | else | |
1405 | { | |
1406 | p = cu_sets; | |
1407 | nsets = cu_count; | |
1408 | dw_sect = DW_SECT_INFO; | |
1409 | } | |
1410 | while (nsets > 0) | |
1411 | { | |
1412 | if (p->section_offsets [dw_sect] == cu_offset) | |
1413 | return p; | |
1414 | p++; | |
1415 | nsets--; | |
1416 | } | |
1417 | return NULL; | |
1418 | } | |
1419 | ||
a69c4772 NC |
1420 | /* Add INC to HIGH_BITS:LOW_BITS. */ |
1421 | static void | |
1422 | add64 (dwarf_vma * high_bits, dwarf_vma * low_bits, dwarf_vma inc) | |
1423 | { | |
1424 | dwarf_vma tmp = * low_bits; | |
1425 | ||
1426 | tmp += inc; | |
1427 | ||
1428 | /* FIXME: There is probably a better way of handling this: | |
1429 | ||
1430 | We need to cope with dwarf_vma being a 32-bit or 64-bit | |
1431 | type. Plus regardless of its size LOW_BITS is meant to | |
1432 | only hold 32-bits, so if there is overflow or wrap around | |
1433 | we must propagate into HIGH_BITS. */ | |
1434 | if (tmp < * low_bits) | |
1435 | { | |
1436 | ++ * high_bits; | |
1437 | } | |
1438 | else if (sizeof (tmp) > 8 | |
1439 | && (tmp >> 31) > 1) | |
1440 | { | |
1441 | ++ * high_bits; | |
1442 | tmp &= 0xFFFFFFFF; | |
1443 | } | |
1444 | ||
1445 | * low_bits = tmp; | |
1446 | } | |
1447 | ||
19e6b90e | 1448 | static unsigned char * |
6e3d6dc1 NC |
1449 | read_and_display_attr_value (unsigned long attribute, |
1450 | unsigned long form, | |
ec4d4525 | 1451 | unsigned char * data, |
f6f0e17b | 1452 | unsigned char * end, |
467c65bc NC |
1453 | dwarf_vma cu_offset, |
1454 | dwarf_vma pointer_size, | |
1455 | dwarf_vma offset_size, | |
6e3d6dc1 NC |
1456 | int dwarf_version, |
1457 | debug_info * debug_info_p, | |
1458 | int do_loc, | |
341f9135 CC |
1459 | struct dwarf_section * section, |
1460 | struct cu_tu_set * this_set) | |
19e6b90e | 1461 | { |
467c65bc | 1462 | dwarf_vma uvalue = 0; |
19e6b90e | 1463 | unsigned char *block_start = NULL; |
6e3d6dc1 | 1464 | unsigned char * orig_data = data; |
19e6b90e L |
1465 | unsigned int bytes_read; |
1466 | ||
503a6091 | 1467 | if (data == end && form != DW_FORM_flag_present) |
0c588247 NC |
1468 | { |
1469 | warn (_("corrupt attribute\n")); | |
1470 | return data; | |
1471 | } | |
1472 | ||
19e6b90e L |
1473 | switch (form) |
1474 | { | |
1475 | default: | |
1476 | break; | |
1477 | ||
1478 | case DW_FORM_ref_addr: | |
1479 | if (dwarf_version == 2) | |
0c588247 | 1480 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
932fd279 | 1481 | else if (dwarf_version == 3 || dwarf_version == 4) |
0c588247 | 1482 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
19e6b90e | 1483 | else |
467c65bc NC |
1484 | error (_("Internal error: DWARF version is not 2, 3 or 4.\n")); |
1485 | ||
19e6b90e L |
1486 | break; |
1487 | ||
1488 | case DW_FORM_addr: | |
0c588247 | 1489 | SAFE_BYTE_GET_AND_INC (uvalue, data, pointer_size, end); |
19e6b90e L |
1490 | break; |
1491 | ||
1492 | case DW_FORM_strp: | |
932fd279 | 1493 | case DW_FORM_sec_offset: |
a081f3cd JJ |
1494 | case DW_FORM_GNU_ref_alt: |
1495 | case DW_FORM_GNU_strp_alt: | |
0c588247 | 1496 | SAFE_BYTE_GET_AND_INC (uvalue, data, offset_size, end); |
19e6b90e L |
1497 | break; |
1498 | ||
932fd279 JJ |
1499 | case DW_FORM_flag_present: |
1500 | uvalue = 1; | |
1501 | break; | |
1502 | ||
19e6b90e L |
1503 | case DW_FORM_ref1: |
1504 | case DW_FORM_flag: | |
1505 | case DW_FORM_data1: | |
0c588247 | 1506 | SAFE_BYTE_GET_AND_INC (uvalue, data, 1, end); |
19e6b90e L |
1507 | break; |
1508 | ||
1509 | case DW_FORM_ref2: | |
1510 | case DW_FORM_data2: | |
0c588247 | 1511 | SAFE_BYTE_GET_AND_INC (uvalue, data, 2, end); |
19e6b90e L |
1512 | break; |
1513 | ||
1514 | case DW_FORM_ref4: | |
1515 | case DW_FORM_data4: | |
0c588247 | 1516 | SAFE_BYTE_GET_AND_INC (uvalue, data, 4, end); |
19e6b90e L |
1517 | break; |
1518 | ||
1519 | case DW_FORM_sdata: | |
f6f0e17b | 1520 | uvalue = read_sleb128 (data, & bytes_read, end); |
19e6b90e L |
1521 | data += bytes_read; |
1522 | break; | |
1523 | ||
4723351a | 1524 | case DW_FORM_GNU_str_index: |
f6f0e17b | 1525 | uvalue = read_uleb128 (data, & bytes_read, end); |
4723351a CC |
1526 | data += bytes_read; |
1527 | break; | |
1528 | ||
19e6b90e L |
1529 | case DW_FORM_ref_udata: |
1530 | case DW_FORM_udata: | |
f6f0e17b | 1531 | uvalue = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
1532 | data += bytes_read; |
1533 | break; | |
1534 | ||
1535 | case DW_FORM_indirect: | |
f6f0e17b | 1536 | form = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
1537 | data += bytes_read; |
1538 | if (!do_loc) | |
1539 | printf (" %s", get_FORM_name (form)); | |
f6f0e17b | 1540 | return read_and_display_attr_value (attribute, form, data, end, |
19e6b90e L |
1541 | cu_offset, pointer_size, |
1542 | offset_size, dwarf_version, | |
ec4d4525 | 1543 | debug_info_p, do_loc, |
341f9135 | 1544 | section, this_set); |
4723351a | 1545 | case DW_FORM_GNU_addr_index: |
f6f0e17b | 1546 | uvalue = read_uleb128 (data, & bytes_read, end); |
4723351a CC |
1547 | data += bytes_read; |
1548 | break; | |
19e6b90e L |
1549 | } |
1550 | ||
1551 | switch (form) | |
1552 | { | |
1553 | case DW_FORM_ref_addr: | |
1554 | if (!do_loc) | |
467c65bc | 1555 | printf (" <0x%s>", dwarf_vmatoa ("x",uvalue)); |
19e6b90e L |
1556 | break; |
1557 | ||
a081f3cd JJ |
1558 | case DW_FORM_GNU_ref_alt: |
1559 | if (!do_loc) | |
1560 | printf (" <alt 0x%s>", dwarf_vmatoa ("x",uvalue)); | |
1561 | break; | |
1562 | ||
19e6b90e L |
1563 | case DW_FORM_ref1: |
1564 | case DW_FORM_ref2: | |
1565 | case DW_FORM_ref4: | |
1566 | case DW_FORM_ref_udata: | |
1567 | if (!do_loc) | |
467c65bc | 1568 | printf (" <0x%s>", dwarf_vmatoa ("x", uvalue + cu_offset)); |
19e6b90e L |
1569 | break; |
1570 | ||
1571 | case DW_FORM_data4: | |
1572 | case DW_FORM_addr: | |
932fd279 | 1573 | case DW_FORM_sec_offset: |
19e6b90e | 1574 | if (!do_loc) |
467c65bc | 1575 | printf (" 0x%s", dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
1576 | break; |
1577 | ||
932fd279 | 1578 | case DW_FORM_flag_present: |
19e6b90e L |
1579 | case DW_FORM_flag: |
1580 | case DW_FORM_data1: | |
1581 | case DW_FORM_data2: | |
1582 | case DW_FORM_sdata: | |
1583 | case DW_FORM_udata: | |
1584 | if (!do_loc) | |
467c65bc | 1585 | printf (" %s", dwarf_vmatoa ("d", uvalue)); |
19e6b90e L |
1586 | break; |
1587 | ||
1588 | case DW_FORM_ref8: | |
1589 | case DW_FORM_data8: | |
2bc8690c | 1590 | if (!do_loc) |
19e6b90e | 1591 | { |
74bc6052 | 1592 | dwarf_vma high_bits; |
a69c4772 | 1593 | dwarf_vma utmp; |
74bc6052 CC |
1594 | char buf[64]; |
1595 | ||
0c588247 | 1596 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); |
a69c4772 NC |
1597 | utmp = uvalue; |
1598 | if (form == DW_FORM_ref8) | |
1599 | add64 (& high_bits, & utmp, cu_offset); | |
74bc6052 | 1600 | printf (" 0x%s", |
a69c4772 | 1601 | dwarf_vmatoa64 (high_bits, utmp, buf, sizeof (buf))); |
19e6b90e | 1602 | } |
0c588247 | 1603 | |
19e6b90e L |
1604 | if ((do_loc || do_debug_loc || do_debug_ranges) |
1605 | && num_debug_info_entries == 0) | |
1606 | { | |
1607 | if (sizeof (uvalue) == 8) | |
0c588247 | 1608 | SAFE_BYTE_GET (uvalue, data, 8, end); |
19e6b90e | 1609 | else |
467c65bc | 1610 | error (_("DW_FORM_data8 is unsupported when sizeof (dwarf_vma) != 8\n")); |
19e6b90e | 1611 | } |
0c588247 | 1612 | |
19e6b90e L |
1613 | data += 8; |
1614 | break; | |
1615 | ||
1616 | case DW_FORM_string: | |
1617 | if (!do_loc) | |
2bdc3eca | 1618 | printf (" %.*s", (int) (end - data), data); |
0c588247 | 1619 | data += strnlen ((char *) data, end - data) + 1; |
19e6b90e L |
1620 | break; |
1621 | ||
1622 | case DW_FORM_block: | |
932fd279 | 1623 | case DW_FORM_exprloc: |
f6f0e17b | 1624 | uvalue = read_uleb128 (data, & bytes_read, end); |
19e6b90e L |
1625 | block_start = data + bytes_read; |
1626 | if (do_loc) | |
1627 | data = block_start + uvalue; | |
1628 | else | |
0c588247 | 1629 | data = display_block (block_start, uvalue, end); |
19e6b90e L |
1630 | break; |
1631 | ||
1632 | case DW_FORM_block1: | |
0c588247 | 1633 | SAFE_BYTE_GET (uvalue, data, 1, end); |
19e6b90e L |
1634 | block_start = data + 1; |
1635 | if (do_loc) | |
1636 | data = block_start + uvalue; | |
1637 | else | |
0c588247 | 1638 | data = display_block (block_start, uvalue, end); |
19e6b90e L |
1639 | break; |
1640 | ||
1641 | case DW_FORM_block2: | |
0c588247 | 1642 | SAFE_BYTE_GET (uvalue, data, 2, end); |
19e6b90e L |
1643 | block_start = data + 2; |
1644 | if (do_loc) | |
1645 | data = block_start + uvalue; | |
1646 | else | |
0c588247 | 1647 | data = display_block (block_start, uvalue, end); |
19e6b90e L |
1648 | break; |
1649 | ||
1650 | case DW_FORM_block4: | |
0c588247 | 1651 | SAFE_BYTE_GET (uvalue, data, 4, end); |
19e6b90e L |
1652 | block_start = data + 4; |
1653 | if (do_loc) | |
1654 | data = block_start + uvalue; | |
1655 | else | |
0c588247 | 1656 | data = display_block (block_start, uvalue, end); |
19e6b90e L |
1657 | break; |
1658 | ||
1659 | case DW_FORM_strp: | |
1660 | if (!do_loc) | |
47704ddf KT |
1661 | printf (_(" (indirect string, offset: 0x%s): %s"), |
1662 | dwarf_vmatoa ("x", uvalue), | |
1663 | fetch_indirect_string (uvalue)); | |
19e6b90e L |
1664 | break; |
1665 | ||
4723351a CC |
1666 | case DW_FORM_GNU_str_index: |
1667 | if (!do_loc) | |
1668 | { | |
1669 | const char *suffix = strrchr (section->name, '.'); | |
1670 | int dwo = (suffix && strcmp (suffix, ".dwo") == 0) ? 1 : 0; | |
1671 | ||
1672 | printf (_(" (indexed string: 0x%s): %s"), | |
1673 | dwarf_vmatoa ("x", uvalue), | |
341f9135 | 1674 | fetch_indexed_string (uvalue, this_set, offset_size, dwo)); |
4723351a CC |
1675 | } |
1676 | break; | |
1677 | ||
a081f3cd JJ |
1678 | case DW_FORM_GNU_strp_alt: |
1679 | if (!do_loc) | |
1680 | printf (_(" (alt indirect string, offset: 0x%s)"), | |
1681 | dwarf_vmatoa ("x", uvalue)); | |
1682 | break; | |
1683 | ||
19e6b90e L |
1684 | case DW_FORM_indirect: |
1685 | /* Handled above. */ | |
1686 | break; | |
1687 | ||
2b6f5997 CC |
1688 | case DW_FORM_ref_sig8: |
1689 | if (!do_loc) | |
1690 | { | |
74bc6052 CC |
1691 | dwarf_vma high_bits; |
1692 | char buf[64]; | |
1693 | ||
0c588247 | 1694 | SAFE_BYTE_GET64 (data, &high_bits, &uvalue, end); |
74bc6052 CC |
1695 | printf (" signature: 0x%s", |
1696 | dwarf_vmatoa64 (high_bits, uvalue, buf, sizeof (buf))); | |
2b6f5997 | 1697 | } |
74bc6052 | 1698 | data += 8; |
2b6f5997 CC |
1699 | break; |
1700 | ||
4723351a CC |
1701 | case DW_FORM_GNU_addr_index: |
1702 | if (!do_loc) | |
1703 | printf (_(" (addr_index: 0x%s): %s"), | |
1704 | dwarf_vmatoa ("x", uvalue), | |
1705 | fetch_indexed_value (uvalue * pointer_size, pointer_size)); | |
1706 | break; | |
1707 | ||
19e6b90e L |
1708 | default: |
1709 | warn (_("Unrecognized form: %lu\n"), form); | |
1710 | break; | |
1711 | } | |
1712 | ||
19e6b90e | 1713 | if ((do_loc || do_debug_loc || do_debug_ranges) |
fd2f0033 TT |
1714 | && num_debug_info_entries == 0 |
1715 | && debug_info_p != NULL) | |
19e6b90e L |
1716 | { |
1717 | switch (attribute) | |
1718 | { | |
1719 | case DW_AT_frame_base: | |
1720 | have_frame_base = 1; | |
1721 | case DW_AT_location: | |
e2a0d921 NC |
1722 | case DW_AT_string_length: |
1723 | case DW_AT_return_addr: | |
19e6b90e L |
1724 | case DW_AT_data_member_location: |
1725 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
1726 | case DW_AT_segment: |
1727 | case DW_AT_static_link: | |
1728 | case DW_AT_use_location: | |
629e7ca8 JJ |
1729 | case DW_AT_GNU_call_site_value: |
1730 | case DW_AT_GNU_call_site_data_value: | |
1731 | case DW_AT_GNU_call_site_target: | |
1732 | case DW_AT_GNU_call_site_target_clobbered: | |
212b6063 JK |
1733 | if ((dwarf_version < 4 |
1734 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) | |
932fd279 | 1735 | || form == DW_FORM_sec_offset) |
19e6b90e L |
1736 | { |
1737 | /* Process location list. */ | |
91d6fa6a | 1738 | unsigned int lmax = debug_info_p->max_loc_offsets; |
19e6b90e L |
1739 | unsigned int num = debug_info_p->num_loc_offsets; |
1740 | ||
91d6fa6a | 1741 | if (lmax == 0 || num >= lmax) |
19e6b90e | 1742 | { |
91d6fa6a | 1743 | lmax += 1024; |
467c65bc | 1744 | debug_info_p->loc_offsets = (dwarf_vma *) |
3f5e193b | 1745 | xcrealloc (debug_info_p->loc_offsets, |
91d6fa6a | 1746 | lmax, sizeof (*debug_info_p->loc_offsets)); |
3f5e193b NC |
1747 | debug_info_p->have_frame_base = (int *) |
1748 | xcrealloc (debug_info_p->have_frame_base, | |
91d6fa6a NC |
1749 | lmax, sizeof (*debug_info_p->have_frame_base)); |
1750 | debug_info_p->max_loc_offsets = lmax; | |
19e6b90e | 1751 | } |
341f9135 CC |
1752 | if (this_set != NULL) |
1753 | uvalue += this_set->section_offsets [DW_SECT_LOC]; | |
19e6b90e L |
1754 | debug_info_p->loc_offsets [num] = uvalue; |
1755 | debug_info_p->have_frame_base [num] = have_frame_base; | |
1756 | debug_info_p->num_loc_offsets++; | |
1757 | } | |
1758 | break; | |
e2a0d921 | 1759 | |
19e6b90e L |
1760 | case DW_AT_low_pc: |
1761 | if (need_base_address) | |
1762 | debug_info_p->base_address = uvalue; | |
1763 | break; | |
1764 | ||
4723351a CC |
1765 | case DW_AT_GNU_addr_base: |
1766 | debug_info_p->addr_base = uvalue; | |
1767 | break; | |
1768 | ||
1769 | case DW_AT_GNU_ranges_base: | |
1770 | debug_info_p->ranges_base = uvalue; | |
1771 | break; | |
1772 | ||
19e6b90e | 1773 | case DW_AT_ranges: |
212b6063 JK |
1774 | if ((dwarf_version < 4 |
1775 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) | |
932fd279 | 1776 | || form == DW_FORM_sec_offset) |
19e6b90e L |
1777 | { |
1778 | /* Process range list. */ | |
91d6fa6a | 1779 | unsigned int lmax = debug_info_p->max_range_lists; |
19e6b90e L |
1780 | unsigned int num = debug_info_p->num_range_lists; |
1781 | ||
91d6fa6a | 1782 | if (lmax == 0 || num >= lmax) |
19e6b90e | 1783 | { |
91d6fa6a | 1784 | lmax += 1024; |
467c65bc | 1785 | debug_info_p->range_lists = (dwarf_vma *) |
3f5e193b | 1786 | xcrealloc (debug_info_p->range_lists, |
91d6fa6a NC |
1787 | lmax, sizeof (*debug_info_p->range_lists)); |
1788 | debug_info_p->max_range_lists = lmax; | |
19e6b90e L |
1789 | } |
1790 | debug_info_p->range_lists [num] = uvalue; | |
1791 | debug_info_p->num_range_lists++; | |
1792 | } | |
1793 | break; | |
1794 | ||
1795 | default: | |
1796 | break; | |
1797 | } | |
1798 | } | |
1799 | ||
4ccf1e31 | 1800 | if (do_loc || attribute == 0) |
19e6b90e L |
1801 | return data; |
1802 | ||
ec4d4525 | 1803 | /* For some attributes we can display further information. */ |
19e6b90e L |
1804 | switch (attribute) |
1805 | { | |
1806 | case DW_AT_inline: | |
2e9e81a8 | 1807 | printf ("\t"); |
19e6b90e L |
1808 | switch (uvalue) |
1809 | { | |
1810 | case DW_INL_not_inlined: | |
1811 | printf (_("(not inlined)")); | |
1812 | break; | |
1813 | case DW_INL_inlined: | |
1814 | printf (_("(inlined)")); | |
1815 | break; | |
1816 | case DW_INL_declared_not_inlined: | |
1817 | printf (_("(declared as inline but ignored)")); | |
1818 | break; | |
1819 | case DW_INL_declared_inlined: | |
1820 | printf (_("(declared as inline and inlined)")); | |
1821 | break; | |
1822 | default: | |
47704ddf KT |
1823 | printf (_(" (Unknown inline attribute value: %s)"), |
1824 | dwarf_vmatoa ("x", uvalue)); | |
19e6b90e L |
1825 | break; |
1826 | } | |
1827 | break; | |
1828 | ||
1829 | case DW_AT_language: | |
2e9e81a8 | 1830 | printf ("\t"); |
19e6b90e L |
1831 | switch (uvalue) |
1832 | { | |
4b78141a | 1833 | /* Ordered by the numeric value of these constants. */ |
19e6b90e | 1834 | case DW_LANG_C89: printf ("(ANSI C)"); break; |
4b78141a NC |
1835 | case DW_LANG_C: printf ("(non-ANSI C)"); break; |
1836 | case DW_LANG_Ada83: printf ("(Ada)"); break; | |
19e6b90e | 1837 | case DW_LANG_C_plus_plus: printf ("(C++)"); break; |
4b78141a NC |
1838 | case DW_LANG_Cobol74: printf ("(Cobol 74)"); break; |
1839 | case DW_LANG_Cobol85: printf ("(Cobol 85)"); break; | |
19e6b90e L |
1840 | case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break; |
1841 | case DW_LANG_Fortran90: printf ("(Fortran 90)"); break; | |
19e6b90e | 1842 | case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break; |
4b78141a | 1843 | case DW_LANG_Modula2: printf ("(Modula 2)"); break; |
19e6b90e | 1844 | /* DWARF 2.1 values. */ |
4b78141a | 1845 | case DW_LANG_Java: printf ("(Java)"); break; |
19e6b90e L |
1846 | case DW_LANG_C99: printf ("(ANSI C99)"); break; |
1847 | case DW_LANG_Ada95: printf ("(ADA 95)"); break; | |
1848 | case DW_LANG_Fortran95: printf ("(Fortran 95)"); break; | |
4b78141a NC |
1849 | /* DWARF 3 values. */ |
1850 | case DW_LANG_PLI: printf ("(PLI)"); break; | |
1851 | case DW_LANG_ObjC: printf ("(Objective C)"); break; | |
1852 | case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break; | |
1853 | case DW_LANG_UPC: printf ("(Unified Parallel C)"); break; | |
1854 | case DW_LANG_D: printf ("(D)"); break; | |
2b6f5997 CC |
1855 | /* DWARF 4 values. */ |
1856 | case DW_LANG_Python: printf ("(Python)"); break; | |
3362e0d9 ILT |
1857 | /* DWARF 5 values. */ |
1858 | case DW_LANG_Go: printf ("(Go)"); break; | |
19e6b90e L |
1859 | /* MIPS extension. */ |
1860 | case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break; | |
1861 | /* UPC extension. */ | |
1862 | case DW_LANG_Upc: printf ("(Unified Parallel C)"); break; | |
1863 | default: | |
4b78141a | 1864 | if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user) |
9cf03b7e | 1865 | printf (_("(implementation defined: %s)"), |
467c65bc | 1866 | dwarf_vmatoa ("x", uvalue)); |
4b78141a | 1867 | else |
9cf03b7e | 1868 | printf (_("(Unknown: %s)"), dwarf_vmatoa ("x", uvalue)); |
19e6b90e L |
1869 | break; |
1870 | } | |
1871 | break; | |
1872 | ||
1873 | case DW_AT_encoding: | |
2e9e81a8 | 1874 | printf ("\t"); |
19e6b90e L |
1875 | switch (uvalue) |
1876 | { | |
1877 | case DW_ATE_void: printf ("(void)"); break; | |
1878 | case DW_ATE_address: printf ("(machine address)"); break; | |
1879 | case DW_ATE_boolean: printf ("(boolean)"); break; | |
1880 | case DW_ATE_complex_float: printf ("(complex float)"); break; | |
1881 | case DW_ATE_float: printf ("(float)"); break; | |
1882 | case DW_ATE_signed: printf ("(signed)"); break; | |
1883 | case DW_ATE_signed_char: printf ("(signed char)"); break; | |
1884 | case DW_ATE_unsigned: printf ("(unsigned)"); break; | |
1885 | case DW_ATE_unsigned_char: printf ("(unsigned char)"); break; | |
e2a0d921 | 1886 | /* DWARF 2.1 values: */ |
19e6b90e L |
1887 | case DW_ATE_imaginary_float: printf ("(imaginary float)"); break; |
1888 | case DW_ATE_decimal_float: printf ("(decimal float)"); break; | |
e2a0d921 NC |
1889 | /* DWARF 3 values: */ |
1890 | case DW_ATE_packed_decimal: printf ("(packed_decimal)"); break; | |
1891 | case DW_ATE_numeric_string: printf ("(numeric_string)"); break; | |
1892 | case DW_ATE_edited: printf ("(edited)"); break; | |
1893 | case DW_ATE_signed_fixed: printf ("(signed_fixed)"); break; | |
1894 | case DW_ATE_unsigned_fixed: printf ("(unsigned_fixed)"); break; | |
1895 | /* HP extensions: */ | |
1896 | case DW_ATE_HP_float80: printf ("(HP_float80)"); break; | |
1897 | case DW_ATE_HP_complex_float80: printf ("(HP_complex_float80)"); break; | |
1898 | case DW_ATE_HP_float128: printf ("(HP_float128)"); break; | |
1899 | case DW_ATE_HP_complex_float128:printf ("(HP_complex_float128)"); break; | |
1900 | case DW_ATE_HP_floathpintel: printf ("(HP_floathpintel)"); break; | |
1901 | case DW_ATE_HP_imaginary_float80: printf ("(HP_imaginary_float80)"); break; | |
1902 | case DW_ATE_HP_imaginary_float128: printf ("(HP_imaginary_float128)"); break; | |
1903 | ||
19e6b90e L |
1904 | default: |
1905 | if (uvalue >= DW_ATE_lo_user | |
1906 | && uvalue <= DW_ATE_hi_user) | |
9cf03b7e | 1907 | printf (_("(user defined type)")); |
19e6b90e | 1908 | else |
9cf03b7e | 1909 | printf (_("(unknown type)")); |
19e6b90e L |
1910 | break; |
1911 | } | |
1912 | break; | |
1913 | ||
1914 | case DW_AT_accessibility: | |
2e9e81a8 | 1915 | printf ("\t"); |
19e6b90e L |
1916 | switch (uvalue) |
1917 | { | |
1918 | case DW_ACCESS_public: printf ("(public)"); break; | |
1919 | case DW_ACCESS_protected: printf ("(protected)"); break; | |
1920 | case DW_ACCESS_private: printf ("(private)"); break; | |
1921 | default: | |
9cf03b7e | 1922 | printf (_("(unknown accessibility)")); |
19e6b90e L |
1923 | break; |
1924 | } | |
1925 | break; | |
1926 | ||
1927 | case DW_AT_visibility: | |
2e9e81a8 | 1928 | printf ("\t"); |
19e6b90e L |
1929 | switch (uvalue) |
1930 | { | |
1931 | case DW_VIS_local: printf ("(local)"); break; | |
1932 | case DW_VIS_exported: printf ("(exported)"); break; | |
1933 | case DW_VIS_qualified: printf ("(qualified)"); break; | |
9cf03b7e | 1934 | default: printf (_("(unknown visibility)")); break; |
19e6b90e L |
1935 | } |
1936 | break; | |
1937 | ||
1938 | case DW_AT_virtuality: | |
2e9e81a8 | 1939 | printf ("\t"); |
19e6b90e L |
1940 | switch (uvalue) |
1941 | { | |
1942 | case DW_VIRTUALITY_none: printf ("(none)"); break; | |
1943 | case DW_VIRTUALITY_virtual: printf ("(virtual)"); break; | |
1944 | case DW_VIRTUALITY_pure_virtual:printf ("(pure_virtual)"); break; | |
9cf03b7e | 1945 | default: printf (_("(unknown virtuality)")); break; |
19e6b90e L |
1946 | } |
1947 | break; | |
1948 | ||
1949 | case DW_AT_identifier_case: | |
2e9e81a8 | 1950 | printf ("\t"); |
19e6b90e L |
1951 | switch (uvalue) |
1952 | { | |
1953 | case DW_ID_case_sensitive: printf ("(case_sensitive)"); break; | |
1954 | case DW_ID_up_case: printf ("(up_case)"); break; | |
1955 | case DW_ID_down_case: printf ("(down_case)"); break; | |
1956 | case DW_ID_case_insensitive: printf ("(case_insensitive)"); break; | |
9cf03b7e | 1957 | default: printf (_("(unknown case)")); break; |
19e6b90e L |
1958 | } |
1959 | break; | |
1960 | ||
1961 | case DW_AT_calling_convention: | |
2e9e81a8 | 1962 | printf ("\t"); |
19e6b90e L |
1963 | switch (uvalue) |
1964 | { | |
1965 | case DW_CC_normal: printf ("(normal)"); break; | |
1966 | case DW_CC_program: printf ("(program)"); break; | |
1967 | case DW_CC_nocall: printf ("(nocall)"); break; | |
1968 | default: | |
1969 | if (uvalue >= DW_CC_lo_user | |
1970 | && uvalue <= DW_CC_hi_user) | |
9cf03b7e | 1971 | printf (_("(user defined)")); |
19e6b90e | 1972 | else |
9cf03b7e | 1973 | printf (_("(unknown convention)")); |
19e6b90e L |
1974 | } |
1975 | break; | |
1976 | ||
1977 | case DW_AT_ordering: | |
2e9e81a8 | 1978 | printf ("\t"); |
19e6b90e L |
1979 | switch (uvalue) |
1980 | { | |
9cf03b7e | 1981 | case -1: printf (_("(undefined)")); break; |
19e6b90e L |
1982 | case 0: printf ("(row major)"); break; |
1983 | case 1: printf ("(column major)"); break; | |
1984 | } | |
1985 | break; | |
1986 | ||
1987 | case DW_AT_frame_base: | |
1988 | have_frame_base = 1; | |
1989 | case DW_AT_location: | |
e2a0d921 NC |
1990 | case DW_AT_string_length: |
1991 | case DW_AT_return_addr: | |
19e6b90e L |
1992 | case DW_AT_data_member_location: |
1993 | case DW_AT_vtable_elem_location: | |
e2a0d921 NC |
1994 | case DW_AT_segment: |
1995 | case DW_AT_static_link: | |
1996 | case DW_AT_use_location: | |
629e7ca8 JJ |
1997 | case DW_AT_GNU_call_site_value: |
1998 | case DW_AT_GNU_call_site_data_value: | |
1999 | case DW_AT_GNU_call_site_target: | |
2000 | case DW_AT_GNU_call_site_target_clobbered: | |
212b6063 JK |
2001 | if ((dwarf_version < 4 |
2002 | && (form == DW_FORM_data4 || form == DW_FORM_data8)) | |
932fd279 | 2003 | || form == DW_FORM_sec_offset) |
2e9e81a8 | 2004 | printf (_(" (location list)")); |
e2a0d921 | 2005 | /* Fall through. */ |
19e6b90e L |
2006 | case DW_AT_allocated: |
2007 | case DW_AT_associated: | |
2008 | case DW_AT_data_location: | |
2009 | case DW_AT_stride: | |
2010 | case DW_AT_upper_bound: | |
cecf136e | 2011 | case DW_AT_lower_bound: |
19e6b90e L |
2012 | if (block_start) |
2013 | { | |
2014 | int need_frame_base; | |
2015 | ||
2e9e81a8 | 2016 | printf ("\t("); |
19e6b90e L |
2017 | need_frame_base = decode_location_expression (block_start, |
2018 | pointer_size, | |
b7807392 JJ |
2019 | offset_size, |
2020 | dwarf_version, | |
19e6b90e | 2021 | uvalue, |
f1c4cc75 | 2022 | cu_offset, section); |
19e6b90e L |
2023 | printf (")"); |
2024 | if (need_frame_base && !have_frame_base) | |
2025 | printf (_(" [without DW_AT_frame_base]")); | |
2026 | } | |
19e6b90e L |
2027 | break; |
2028 | ||
ec4d4525 NC |
2029 | case DW_AT_import: |
2030 | { | |
a081f3cd JJ |
2031 | if (form == DW_FORM_ref_sig8 |
2032 | || form == DW_FORM_GNU_ref_alt) | |
2b6f5997 CC |
2033 | break; |
2034 | ||
ec4d4525 NC |
2035 | if (form == DW_FORM_ref1 |
2036 | || form == DW_FORM_ref2 | |
a7a0b6a5 JK |
2037 | || form == DW_FORM_ref4 |
2038 | || form == DW_FORM_ref_udata) | |
ec4d4525 NC |
2039 | uvalue += cu_offset; |
2040 | ||
6e3d6dc1 | 2041 | if (uvalue >= section->size) |
47704ddf KT |
2042 | warn (_("Offset %s used as value for DW_AT_import attribute of DIE at offset %lx is too big.\n"), |
2043 | dwarf_vmatoa ("x", uvalue), | |
2044 | (unsigned long) (orig_data - section->start)); | |
6e3d6dc1 NC |
2045 | else |
2046 | { | |
2047 | unsigned long abbrev_number; | |
2048 | abbrev_entry * entry; | |
2049 | ||
f6f0e17b | 2050 | abbrev_number = read_uleb128 (section->start + uvalue, NULL, end); |
cecf136e | 2051 | |
2e9e81a8 | 2052 | printf (_("\t[Abbrev Number: %ld"), abbrev_number); |
afd6e1ff JJ |
2053 | /* Don't look up abbrev for DW_FORM_ref_addr, as it very often will |
2054 | use different abbrev table, and we don't track .debug_info chunks | |
2055 | yet. */ | |
2056 | if (form != DW_FORM_ref_addr) | |
2057 | { | |
2058 | for (entry = first_abbrev; entry != NULL; entry = entry->next) | |
2059 | if (entry->entry == abbrev_number) | |
2060 | break; | |
2061 | if (entry != NULL) | |
2062 | printf (" (%s)", get_TAG_name (entry->tag)); | |
2063 | } | |
6e3d6dc1 NC |
2064 | printf ("]"); |
2065 | } | |
ec4d4525 NC |
2066 | } |
2067 | break; | |
2068 | ||
19e6b90e L |
2069 | default: |
2070 | break; | |
2071 | } | |
2072 | ||
2073 | return data; | |
2074 | } | |
2075 | ||
a19c41a7 | 2076 | static const char * |
19e6b90e L |
2077 | get_AT_name (unsigned long attribute) |
2078 | { | |
a19c41a7 | 2079 | const char *name; |
e2a0d921 | 2080 | |
399c99f7 L |
2081 | if (attribute == 0) |
2082 | return "DW_AT value: 0"; | |
2083 | ||
a19c41a7 TT |
2084 | /* One value is shared by the MIPS and HP extensions: */ |
2085 | if (attribute == DW_AT_MIPS_fde) | |
2086 | return "DW_AT_MIPS_fde or DW_AT_HP_unmodifiable"; | |
19e6b90e | 2087 | |
a19c41a7 TT |
2088 | name = get_DW_AT_name (attribute); |
2089 | ||
2090 | if (name == NULL) | |
2091 | { | |
2092 | static char buffer[100]; | |
2093 | ||
2094 | snprintf (buffer, sizeof (buffer), _("Unknown AT value: %lx"), | |
2095 | attribute); | |
2096 | return buffer; | |
19e6b90e | 2097 | } |
a19c41a7 TT |
2098 | |
2099 | return name; | |
19e6b90e L |
2100 | } |
2101 | ||
2102 | static unsigned char * | |
6e3d6dc1 NC |
2103 | read_and_display_attr (unsigned long attribute, |
2104 | unsigned long form, | |
ec4d4525 | 2105 | unsigned char * data, |
f6f0e17b | 2106 | unsigned char * end, |
467c65bc NC |
2107 | dwarf_vma cu_offset, |
2108 | dwarf_vma pointer_size, | |
2109 | dwarf_vma offset_size, | |
6e3d6dc1 NC |
2110 | int dwarf_version, |
2111 | debug_info * debug_info_p, | |
2112 | int do_loc, | |
341f9135 CC |
2113 | struct dwarf_section * section, |
2114 | struct cu_tu_set * this_set) | |
19e6b90e L |
2115 | { |
2116 | if (!do_loc) | |
750f03b7 | 2117 | printf (" %-18s:", get_AT_name (attribute)); |
f6f0e17b NC |
2118 | data = read_and_display_attr_value (attribute, form, data, end, |
2119 | cu_offset, pointer_size, offset_size, | |
19e6b90e | 2120 | dwarf_version, debug_info_p, |
341f9135 | 2121 | do_loc, section, this_set); |
19e6b90e L |
2122 | if (!do_loc) |
2123 | printf ("\n"); | |
2124 | return data; | |
2125 | } | |
2126 | ||
19e6b90e L |
2127 | /* Process the contents of a .debug_info section. If do_loc is non-zero |
2128 | then we are scanning for location lists and we do not want to display | |
2b6f5997 CC |
2129 | anything to the user. If do_types is non-zero, we are processing |
2130 | a .debug_types section instead of a .debug_info section. */ | |
19e6b90e L |
2131 | |
2132 | static int | |
6e3d6dc1 NC |
2133 | process_debug_info (struct dwarf_section *section, |
2134 | void *file, | |
6f875884 | 2135 | enum dwarf_section_display_enum abbrev_sec, |
2b6f5997 CC |
2136 | int do_loc, |
2137 | int do_types) | |
19e6b90e L |
2138 | { |
2139 | unsigned char *start = section->start; | |
2140 | unsigned char *end = start + section->size; | |
2141 | unsigned char *section_begin; | |
2142 | unsigned int unit; | |
2143 | unsigned int num_units = 0; | |
2144 | ||
2145 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
2146 | && num_debug_info_entries == 0 |
2147 | && ! do_types) | |
19e6b90e | 2148 | { |
767221a9 | 2149 | dwarf_vma length; |
19e6b90e L |
2150 | |
2151 | /* First scan the section to get the number of comp units. */ | |
2152 | for (section_begin = start, num_units = 0; section_begin < end; | |
2153 | num_units ++) | |
2154 | { | |
2155 | /* Read the first 4 bytes. For a 32-bit DWARF section, this | |
2156 | will be the length. For a 64-bit DWARF section, it'll be | |
2157 | the escape code 0xffffffff followed by an 8 byte length. */ | |
0c588247 | 2158 | SAFE_BYTE_GET (length, section_begin, 4, end); |
19e6b90e L |
2159 | |
2160 | if (length == 0xffffffff) | |
2161 | { | |
0c588247 | 2162 | SAFE_BYTE_GET (length, section_begin + 4, 8, end); |
19e6b90e L |
2163 | section_begin += length + 12; |
2164 | } | |
ec4d4525 NC |
2165 | else if (length >= 0xfffffff0 && length < 0xffffffff) |
2166 | { | |
767221a9 NC |
2167 | warn (_("Reserved length value (0x%s) found in section %s\n"), |
2168 | dwarf_vmatoa ("x", length), section->name); | |
ec4d4525 NC |
2169 | return 0; |
2170 | } | |
19e6b90e L |
2171 | else |
2172 | section_begin += length + 4; | |
aca88567 NC |
2173 | |
2174 | /* Negative values are illegal, they may even cause infinite | |
2175 | looping. This can happen if we can't accurately apply | |
2176 | relocations to an object file. */ | |
2177 | if ((signed long) length <= 0) | |
2178 | { | |
767221a9 NC |
2179 | warn (_("Corrupt unit length (0x%s) found in section %s\n"), |
2180 | dwarf_vmatoa ("x", length), section->name); | |
aca88567 NC |
2181 | return 0; |
2182 | } | |
19e6b90e L |
2183 | } |
2184 | ||
2185 | if (num_units == 0) | |
2186 | { | |
2187 | error (_("No comp units in %s section ?"), section->name); | |
2188 | return 0; | |
2189 | } | |
2190 | ||
2191 | /* Then allocate an array to hold the information. */ | |
3f5e193b NC |
2192 | debug_information = (debug_info *) cmalloc (num_units, |
2193 | sizeof (* debug_information)); | |
19e6b90e L |
2194 | if (debug_information == NULL) |
2195 | { | |
2196 | error (_("Not enough memory for a debug info array of %u entries"), | |
2197 | num_units); | |
2198 | return 0; | |
2199 | } | |
2200 | } | |
2201 | ||
2202 | if (!do_loc) | |
2203 | { | |
fd2f0033 TT |
2204 | if (dwarf_start_die == 0) |
2205 | printf (_("Contents of the %s section:\n\n"), section->name); | |
19e6b90e L |
2206 | |
2207 | load_debug_section (str, file); | |
4723351a CC |
2208 | load_debug_section (str_dwo, file); |
2209 | load_debug_section (str_index, file); | |
2210 | load_debug_section (str_index_dwo, file); | |
2211 | load_debug_section (debug_addr, file); | |
19e6b90e L |
2212 | } |
2213 | ||
6f875884 TG |
2214 | load_debug_section (abbrev_sec, file); |
2215 | if (debug_displays [abbrev_sec].section.start == NULL) | |
19e6b90e L |
2216 | { |
2217 | warn (_("Unable to locate %s section!\n"), | |
6f875884 | 2218 | debug_displays [abbrev_sec].section.name); |
19e6b90e L |
2219 | return 0; |
2220 | } | |
2221 | ||
2222 | for (section_begin = start, unit = 0; start < end; unit++) | |
2223 | { | |
2224 | DWARF2_Internal_CompUnit compunit; | |
2225 | unsigned char *hdrptr; | |
19e6b90e | 2226 | unsigned char *tags; |
fd2f0033 | 2227 | int level, last_level, saved_level; |
467c65bc | 2228 | dwarf_vma cu_offset; |
bf5117e3 | 2229 | unsigned int offset_size; |
19e6b90e | 2230 | int initial_length_size; |
74bc6052 CC |
2231 | dwarf_vma signature_high = 0; |
2232 | dwarf_vma signature_low = 0; | |
767221a9 | 2233 | dwarf_vma type_offset = 0; |
341f9135 CC |
2234 | struct cu_tu_set *this_set; |
2235 | dwarf_vma abbrev_base; | |
2236 | size_t abbrev_size; | |
19e6b90e L |
2237 | |
2238 | hdrptr = start; | |
2239 | ||
0c588247 | 2240 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 4, end); |
19e6b90e L |
2241 | |
2242 | if (compunit.cu_length == 0xffffffff) | |
2243 | { | |
0c588247 | 2244 | SAFE_BYTE_GET_AND_INC (compunit.cu_length, hdrptr, 8, end); |
19e6b90e L |
2245 | offset_size = 8; |
2246 | initial_length_size = 12; | |
2247 | } | |
2248 | else | |
2249 | { | |
2250 | offset_size = 4; | |
2251 | initial_length_size = 4; | |
2252 | } | |
2253 | ||
0c588247 | 2254 | SAFE_BYTE_GET_AND_INC (compunit.cu_version, hdrptr, 2, end); |
19e6b90e L |
2255 | |
2256 | cu_offset = start - section_begin; | |
19e6b90e | 2257 | |
341f9135 CC |
2258 | this_set = find_cu_tu_set_v2 (cu_offset, do_types); |
2259 | ||
0c588247 | 2260 | SAFE_BYTE_GET_AND_INC (compunit.cu_abbrev_offset, hdrptr, offset_size, end); |
19e6b90e | 2261 | |
341f9135 CC |
2262 | if (this_set == NULL) |
2263 | { | |
2264 | abbrev_base = 0; | |
2265 | abbrev_size = debug_displays [abbrev_sec].section.size; | |
2266 | } | |
2267 | else | |
2268 | { | |
2269 | abbrev_base = this_set->section_offsets [DW_SECT_ABBREV]; | |
2270 | abbrev_size = this_set->section_sizes [DW_SECT_ABBREV]; | |
2271 | } | |
2272 | ||
0c588247 | 2273 | SAFE_BYTE_GET_AND_INC (compunit.cu_pointer_size, hdrptr, 1, end); |
2b6f5997 CC |
2274 | |
2275 | if (do_types) | |
2276 | { | |
0c588247 | 2277 | SAFE_BYTE_GET64 (hdrptr, &signature_high, &signature_low, end); |
f048b142 | 2278 | hdrptr += 8; |
0c588247 | 2279 | SAFE_BYTE_GET_AND_INC (type_offset, hdrptr, offset_size, end); |
2b6f5997 CC |
2280 | } |
2281 | ||
19e6b90e | 2282 | if ((do_loc || do_debug_loc || do_debug_ranges) |
2b6f5997 CC |
2283 | && num_debug_info_entries == 0 |
2284 | && ! do_types) | |
19e6b90e L |
2285 | { |
2286 | debug_information [unit].cu_offset = cu_offset; | |
2287 | debug_information [unit].pointer_size | |
2288 | = compunit.cu_pointer_size; | |
b7807392 JJ |
2289 | debug_information [unit].offset_size = offset_size; |
2290 | debug_information [unit].dwarf_version = compunit.cu_version; | |
19e6b90e | 2291 | debug_information [unit].base_address = 0; |
4723351a CC |
2292 | debug_information [unit].addr_base = DEBUG_INFO_UNAVAILABLE; |
2293 | debug_information [unit].ranges_base = DEBUG_INFO_UNAVAILABLE; | |
19e6b90e L |
2294 | debug_information [unit].loc_offsets = NULL; |
2295 | debug_information [unit].have_frame_base = NULL; | |
2296 | debug_information [unit].max_loc_offsets = 0; | |
2297 | debug_information [unit].num_loc_offsets = 0; | |
2298 | debug_information [unit].range_lists = NULL; | |
2299 | debug_information [unit].max_range_lists= 0; | |
2300 | debug_information [unit].num_range_lists = 0; | |
2301 | } | |
2302 | ||
fd2f0033 | 2303 | if (!do_loc && dwarf_start_die == 0) |
19e6b90e | 2304 | { |
47704ddf KT |
2305 | printf (_(" Compilation Unit @ offset 0x%s:\n"), |
2306 | dwarf_vmatoa ("x", cu_offset)); | |
2307 | printf (_(" Length: 0x%s (%s)\n"), | |
2308 | dwarf_vmatoa ("x", compunit.cu_length), | |
49e7b350 | 2309 | offset_size == 8 ? "64-bit" : "32-bit"); |
19e6b90e | 2310 | printf (_(" Version: %d\n"), compunit.cu_version); |
7282333f AM |
2311 | printf (_(" Abbrev Offset: 0x%s\n"), |
2312 | dwarf_vmatoa ("x", compunit.cu_abbrev_offset)); | |
19e6b90e | 2313 | printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size); |
2b6f5997 CC |
2314 | if (do_types) |
2315 | { | |
74bc6052 CC |
2316 | char buf[64]; |
2317 | ||
2318 | printf (_(" Signature: 0x%s\n"), | |
2319 | dwarf_vmatoa64 (signature_high, signature_low, | |
2320 | buf, sizeof (buf))); | |
2321 | printf (_(" Type Offset: 0x%s\n"), | |
2322 | dwarf_vmatoa ("x", type_offset)); | |
2b6f5997 | 2323 | } |
341f9135 CC |
2324 | if (this_set != NULL) |
2325 | { | |
2326 | dwarf_vma *offsets = this_set->section_offsets; | |
2327 | size_t *sizes = this_set->section_sizes; | |
2328 | ||
2329 | printf (_(" Section contributions:\n")); | |
2330 | printf (_(" .debug_abbrev.dwo: 0x%s 0x%s\n"), | |
2331 | dwarf_vmatoa ("x", offsets [DW_SECT_ABBREV]), | |
2332 | dwarf_vmatoa ("x", sizes [DW_SECT_ABBREV])); | |
2333 | printf (_(" .debug_line.dwo: 0x%s 0x%s\n"), | |
2334 | dwarf_vmatoa ("x", offsets [DW_SECT_LINE]), | |
2335 | dwarf_vmatoa ("x", sizes [DW_SECT_LINE])); | |
2336 | printf (_(" .debug_loc.dwo: 0x%s 0x%s\n"), | |
2337 | dwarf_vmatoa ("x", offsets [DW_SECT_LOC]), | |
2338 | dwarf_vmatoa ("x", sizes [DW_SECT_LOC])); | |
2339 | printf (_(" .debug_str_offsets.dwo: 0x%s 0x%s\n"), | |
2340 | dwarf_vmatoa ("x", offsets [DW_SECT_STR_OFFSETS]), | |
2341 | dwarf_vmatoa ("x", sizes [DW_SECT_STR_OFFSETS])); | |
2342 | } | |
19e6b90e L |
2343 | } |
2344 | ||
460c89ff NS |
2345 | if (cu_offset + compunit.cu_length + initial_length_size |
2346 | > section->size) | |
2347 | { | |
47704ddf KT |
2348 | warn (_("Debug info is corrupted, length of CU at %s" |
2349 | " extends beyond end of section (length = %s)\n"), | |
2350 | dwarf_vmatoa ("x", cu_offset), | |
2351 | dwarf_vmatoa ("x", compunit.cu_length)); | |
460c89ff NS |
2352 | break; |
2353 | } | |
2354 | tags = hdrptr; | |
2355 | start += compunit.cu_length + initial_length_size; | |
2356 | ||
932fd279 JJ |
2357 | if (compunit.cu_version != 2 |
2358 | && compunit.cu_version != 3 | |
2359 | && compunit.cu_version != 4) | |
19e6b90e | 2360 | { |
47704ddf KT |
2361 | warn (_("CU at offset %s contains corrupt or " |
2362 | "unsupported version number: %d.\n"), | |
2363 | dwarf_vmatoa ("x", cu_offset), compunit.cu_version); | |
19e6b90e L |
2364 | continue; |
2365 | } | |
2366 | ||
2367 | free_abbrevs (); | |
2368 | ||
d493b283 | 2369 | /* Process the abbrevs used by this compilation unit. */ |
341f9135 | 2370 | if (compunit.cu_abbrev_offset >= abbrev_size) |
ec4d4525 NC |
2371 | warn (_("Debug info is corrupted, abbrev offset (%lx) is larger than abbrev section size (%lx)\n"), |
2372 | (unsigned long) compunit.cu_abbrev_offset, | |
341f9135 | 2373 | (unsigned long) abbrev_size); |
460c89ff NS |
2374 | else |
2375 | process_abbrev_section | |
341f9135 CC |
2376 | (((unsigned char *) debug_displays [abbrev_sec].section.start |
2377 | + abbrev_base + compunit.cu_abbrev_offset), | |
2378 | ((unsigned char *) debug_displays [abbrev_sec].section.start | |
2379 | + abbrev_base + abbrev_size)); | |
19e6b90e L |
2380 | |
2381 | level = 0; | |
fd2f0033 TT |
2382 | last_level = level; |
2383 | saved_level = -1; | |
19e6b90e L |
2384 | while (tags < start) |
2385 | { | |
2386 | unsigned int bytes_read; | |
2387 | unsigned long abbrev_number; | |
ec4d4525 | 2388 | unsigned long die_offset; |
19e6b90e L |
2389 | abbrev_entry *entry; |
2390 | abbrev_attr *attr; | |
fd2f0033 | 2391 | int do_printing = 1; |
19e6b90e | 2392 | |
ec4d4525 NC |
2393 | die_offset = tags - section_begin; |
2394 | ||
f6f0e17b | 2395 | abbrev_number = read_uleb128 (tags, & bytes_read, start); |
19e6b90e L |
2396 | tags += bytes_read; |
2397 | ||
eb7cc021 JK |
2398 | /* A null DIE marks the end of a list of siblings or it may also be |
2399 | a section padding. */ | |
19e6b90e L |
2400 | if (abbrev_number == 0) |
2401 | { | |
eb7cc021 JK |
2402 | /* Check if it can be a section padding for the last CU. */ |
2403 | if (level == 0 && start == end) | |
2404 | { | |
2405 | unsigned char *chk; | |
2406 | ||
2407 | for (chk = tags; chk < start; chk++) | |
2408 | if (*chk != 0) | |
2409 | break; | |
2410 | if (chk == start) | |
2411 | break; | |
2412 | } | |
2413 | ||
4337774f TT |
2414 | if (!do_loc && die_offset >= dwarf_start_die |
2415 | && (dwarf_cutoff_level == -1 | |
2416 | || level < dwarf_cutoff_level)) | |
399c99f7 L |
2417 | printf (_(" <%d><%lx>: Abbrev Number: 0\n"), |
2418 | level, die_offset); | |
2419 | ||
19e6b90e | 2420 | --level; |
ec4d4525 NC |
2421 | if (level < 0) |
2422 | { | |
2423 | static unsigned num_bogus_warns = 0; | |
2424 | ||
2425 | if (num_bogus_warns < 3) | |
2426 | { | |
4723351a CC |
2427 | warn (_("Bogus end-of-siblings marker detected at offset %lx in %s section\n"), |
2428 | die_offset, section->name); | |
ec4d4525 NC |
2429 | num_bogus_warns ++; |
2430 | if (num_bogus_warns == 3) | |
2431 | warn (_("Further warnings about bogus end-of-sibling markers suppressed\n")); | |
2432 | } | |
2433 | } | |
fd2f0033 TT |
2434 | if (dwarf_start_die != 0 && level < saved_level) |
2435 | return 1; | |
19e6b90e L |
2436 | continue; |
2437 | } | |
2438 | ||
4b78141a | 2439 | if (!do_loc) |
fd2f0033 TT |
2440 | { |
2441 | if (dwarf_start_die != 0 && die_offset < dwarf_start_die) | |
2442 | do_printing = 0; | |
2443 | else | |
2444 | { | |
2445 | if (dwarf_start_die != 0 && die_offset == dwarf_start_die) | |
2446 | saved_level = level; | |
2447 | do_printing = (dwarf_cutoff_level == -1 | |
2448 | || level < dwarf_cutoff_level); | |
2449 | if (do_printing) | |
2450 | printf (_(" <%d><%lx>: Abbrev Number: %lu"), | |
2451 | level, die_offset, abbrev_number); | |
2452 | else if (dwarf_cutoff_level == -1 | |
2453 | || last_level < dwarf_cutoff_level) | |
2454 | printf (_(" <%d><%lx>: ...\n"), level, die_offset); | |
2455 | last_level = level; | |
2456 | } | |
2457 | } | |
cecf136e | 2458 | |
19e6b90e L |
2459 | /* Scan through the abbreviation list until we reach the |
2460 | correct entry. */ | |
2461 | for (entry = first_abbrev; | |
2462 | entry && entry->entry != abbrev_number; | |
2463 | entry = entry->next) | |
2464 | continue; | |
2465 | ||
2466 | if (entry == NULL) | |
2467 | { | |
fd2f0033 | 2468 | if (!do_loc && do_printing) |
4b78141a NC |
2469 | { |
2470 | printf ("\n"); | |
2471 | fflush (stdout); | |
2472 | } | |
cc86f28f NC |
2473 | warn (_("DIE at offset %lx refers to abbreviation number %lu which does not exist\n"), |
2474 | die_offset, abbrev_number); | |
19e6b90e L |
2475 | return 0; |
2476 | } | |
2477 | ||
fd2f0033 | 2478 | if (!do_loc && do_printing) |
cc5914eb | 2479 | printf (" (%s)\n", get_TAG_name (entry->tag)); |
cecf136e | 2480 | |
19e6b90e L |
2481 | switch (entry->tag) |
2482 | { | |
2483 | default: | |
2484 | need_base_address = 0; | |
2485 | break; | |
2486 | case DW_TAG_compile_unit: | |
2487 | need_base_address = 1; | |
2488 | break; | |
2489 | case DW_TAG_entry_point: | |
19e6b90e L |
2490 | case DW_TAG_subprogram: |
2491 | need_base_address = 0; | |
2492 | /* Assuming that there is no DW_AT_frame_base. */ | |
2493 | have_frame_base = 0; | |
2494 | break; | |
2495 | } | |
2496 | ||
399c99f7 L |
2497 | for (attr = entry->first_attr; |
2498 | attr && attr->attribute; | |
2499 | attr = attr->next) | |
4b78141a | 2500 | { |
fd2f0033 TT |
2501 | debug_info *arg; |
2502 | ||
2503 | if (! do_loc && do_printing) | |
4b78141a | 2504 | /* Show the offset from where the tag was extracted. */ |
fd2f0033 TT |
2505 | printf (" <%lx>", (unsigned long)(tags - section_begin)); |
2506 | ||
2507 | arg = debug_information; | |
2508 | if (debug_information) | |
2509 | arg += unit; | |
4b78141a NC |
2510 | |
2511 | tags = read_and_display_attr (attr->attribute, | |
2512 | attr->form, | |
341f9135 | 2513 | tags, |
f6f0e17b | 2514 | end, |
341f9135 | 2515 | cu_offset, |
4b78141a NC |
2516 | compunit.cu_pointer_size, |
2517 | offset_size, | |
2518 | compunit.cu_version, | |
fd2f0033 | 2519 | arg, |
341f9135 CC |
2520 | do_loc || ! do_printing, |
2521 | section, | |
2522 | this_set); | |
4b78141a | 2523 | } |
cecf136e | 2524 | |
19e6b90e L |
2525 | if (entry->children) |
2526 | ++level; | |
2527 | } | |
2528 | } | |
cecf136e | 2529 | |
19e6b90e L |
2530 | /* Set num_debug_info_entries here so that it can be used to check if |
2531 | we need to process .debug_loc and .debug_ranges sections. */ | |
2532 | if ((do_loc || do_debug_loc || do_debug_ranges) | |
2b6f5997 CC |
2533 | && num_debug_info_entries == 0 |
2534 | && ! do_types) | |
19e6b90e | 2535 | num_debug_info_entries = num_units; |
cecf136e | 2536 | |
19e6b90e | 2537 | if (!do_loc) |
467c65bc | 2538 | printf ("\n"); |
cecf136e | 2539 | |
19e6b90e L |
2540 | return 1; |
2541 | } | |
2542 | ||
2543 | /* Locate and scan the .debug_info section in the file and record the pointer | |
2544 | sizes and offsets for the compilation units in it. Usually an executable | |
2545 | will have just one pointer size, but this is not guaranteed, and so we try | |
2546 | not to make any assumptions. Returns zero upon failure, or the number of | |
2547 | compilation units upon success. */ | |
2548 | ||
2549 | static unsigned int | |
2550 | load_debug_info (void * file) | |
2551 | { | |
2552 | /* Reset the last pointer size so that we can issue correct error | |
2553 | messages if we are displaying the contents of more than one section. */ | |
2554 | last_pointer_size = 0; | |
2555 | warned_about_missing_comp_units = FALSE; | |
2556 | ||
1febe64d | 2557 | /* If we have already tried and failed to load the .debug_info |
657d0d47 | 2558 | section then do not bother to repeat the task. */ |
cc86f28f | 2559 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) |
1febe64d NC |
2560 | return 0; |
2561 | ||
19e6b90e L |
2562 | /* If we already have the information there is nothing else to do. */ |
2563 | if (num_debug_info_entries > 0) | |
2564 | return num_debug_info_entries; | |
2565 | ||
341f9135 CC |
2566 | /* If this is a DWARF package file, load the CU and TU indexes. */ |
2567 | load_cu_tu_indexes (file); | |
2568 | ||
19e6b90e | 2569 | if (load_debug_section (info, file) |
6f875884 | 2570 | && process_debug_info (&debug_displays [info].section, file, abbrev, 1, 0)) |
19e6b90e | 2571 | return num_debug_info_entries; |
4723351a CC |
2572 | else if (load_debug_section (info_dwo, file) |
2573 | && process_debug_info (&debug_displays [info_dwo].section, file, | |
2574 | abbrev_dwo, 1, 0)) | |
2575 | return num_debug_info_entries; | |
1febe64d | 2576 | |
cc86f28f | 2577 | num_debug_info_entries = DEBUG_INFO_UNAVAILABLE; |
1febe64d | 2578 | return 0; |
19e6b90e L |
2579 | } |
2580 | ||
b40bf0a2 NC |
2581 | /* Read a DWARF .debug_line section header starting at DATA. |
2582 | Upon success returns an updated DATA pointer and the LINFO | |
2583 | structure and the END_OF_SEQUENCE pointer will be filled in. | |
2584 | Otherwise returns NULL. */ | |
19e6b90e | 2585 | |
b40bf0a2 NC |
2586 | static unsigned char * |
2587 | read_debug_line_header (struct dwarf_section * section, | |
2588 | unsigned char * data, | |
2589 | unsigned char * end, | |
2590 | DWARF2_Internal_LineInfo * linfo, | |
2591 | unsigned char ** end_of_sequence) | |
2592 | { | |
2593 | unsigned char *hdrptr; | |
2594 | unsigned int offset_size; | |
2595 | unsigned int initial_length_size; | |
19e6b90e | 2596 | |
b40bf0a2 NC |
2597 | /* Extract information from the Line Number Program Header. |
2598 | (section 6.2.4 in the Dwarf3 doc). */ | |
19e6b90e L |
2599 | hdrptr = data; |
2600 | ||
b40bf0a2 NC |
2601 | /* Get and check the length of the block. */ |
2602 | SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 4, end); | |
19e6b90e | 2603 | |
b40bf0a2 | 2604 | if (linfo->li_length == 0xffffffff) |
19e6b90e L |
2605 | { |
2606 | /* This section is 64-bit DWARF 3. */ | |
b40bf0a2 | 2607 | SAFE_BYTE_GET_AND_INC (linfo->li_length, hdrptr, 8, end); |
19e6b90e L |
2608 | offset_size = 8; |
2609 | initial_length_size = 12; | |
2610 | } | |
2611 | else | |
2612 | { | |
2613 | offset_size = 4; | |
2614 | initial_length_size = 4; | |
2615 | } | |
2616 | ||
b40bf0a2 | 2617 | if (linfo->li_length + initial_length_size > section->size) |
19e6b90e | 2618 | { |
b40bf0a2 NC |
2619 | /* If the length is just a bias against the initial_length_size then |
2620 | this means that the field has a relocation against it which has not | |
2621 | been applied. (Ie we are dealing with an object file, not a linked | |
2622 | binary). Do not complain but instead assume that the rest of the | |
2623 | section applies to this particular header. */ | |
2624 | if (linfo->li_length == - initial_length_size) | |
2625 | { | |
2626 | linfo->li_length = section->size - initial_length_size; | |
2627 | } | |
2628 | else | |
2629 | { | |
2630 | warn (_("The line info appears to be corrupt - " | |
2631 | "the section is too small\n")); | |
2632 | return NULL; | |
2633 | } | |
19e6b90e L |
2634 | } |
2635 | ||
b40bf0a2 NC |
2636 | /* Get and check the version number. */ |
2637 | SAFE_BYTE_GET_AND_INC (linfo->li_version, hdrptr, 2, end); | |
2638 | ||
2639 | if (linfo->li_version != 2 | |
2640 | && linfo->li_version != 3 | |
2641 | && linfo->li_version != 4) | |
19e6b90e | 2642 | { |
932fd279 | 2643 | warn (_("Only DWARF version 2, 3 and 4 line info is currently supported.\n")); |
b40bf0a2 | 2644 | return NULL; |
19e6b90e L |
2645 | } |
2646 | ||
b40bf0a2 NC |
2647 | SAFE_BYTE_GET_AND_INC (linfo->li_prologue_length, hdrptr, offset_size, end); |
2648 | SAFE_BYTE_GET_AND_INC (linfo->li_min_insn_length, hdrptr, 1, end); | |
0c588247 | 2649 | |
b40bf0a2 | 2650 | if (linfo->li_version >= 4) |
a233b20c | 2651 | { |
b40bf0a2 | 2652 | SAFE_BYTE_GET_AND_INC (linfo->li_max_ops_per_insn, hdrptr, 1, end); |
0c588247 | 2653 | |
b40bf0a2 | 2654 | if (linfo->li_max_ops_per_insn == 0) |
a233b20c JJ |
2655 | { |
2656 | warn (_("Invalid maximum operations per insn.\n")); | |
b40bf0a2 | 2657 | return NULL; |
a233b20c JJ |
2658 | } |
2659 | } | |
2660 | else | |
b40bf0a2 | 2661 | linfo->li_max_ops_per_insn = 1; |
0c588247 | 2662 | |
b40bf0a2 NC |
2663 | SAFE_BYTE_GET_AND_INC (linfo->li_default_is_stmt, hdrptr, 1, end); |
2664 | SAFE_BYTE_GET_AND_INC (linfo->li_line_base, hdrptr, 1, end); | |
2665 | SAFE_BYTE_GET_AND_INC (linfo->li_line_range, hdrptr, 1, end); | |
2666 | SAFE_BYTE_GET_AND_INC (linfo->li_opcode_base, hdrptr, 1, end); | |
19e6b90e L |
2667 | |
2668 | /* Sign extend the line base field. */ | |
b40bf0a2 NC |
2669 | linfo->li_line_base <<= 24; |
2670 | linfo->li_line_base >>= 24; | |
19e6b90e | 2671 | |
b40bf0a2 NC |
2672 | * end_of_sequence = data + linfo->li_length + initial_length_size; |
2673 | return hdrptr; | |
2674 | } | |
19e6b90e | 2675 | |
b40bf0a2 NC |
2676 | static int |
2677 | display_debug_lines_raw (struct dwarf_section *section, | |
2678 | unsigned char *data, | |
2679 | unsigned char *end) | |
2680 | { | |
2681 | unsigned char *start = section->start; | |
19e6b90e | 2682 | |
b40bf0a2 NC |
2683 | printf (_("Raw dump of debug contents of section %s:\n\n"), |
2684 | section->name); | |
19e6b90e | 2685 | |
b40bf0a2 NC |
2686 | while (data < end) |
2687 | { | |
2688 | static DWARF2_Internal_LineInfo saved_linfo; | |
2689 | DWARF2_Internal_LineInfo linfo; | |
2690 | unsigned char *standard_opcodes; | |
2691 | unsigned char *end_of_sequence; | |
fe59e83d CC |
2692 | unsigned int last_dir_entry = 0; |
2693 | int i; | |
19e6b90e | 2694 | |
4925cdd7 NC |
2695 | if (const_strneq (section->name, ".debug_line.") |
2696 | /* Note: the following does not apply to .debug_line.dwo sections. | |
2697 | These are full debug_line sections. */ | |
2698 | && strcmp (section->name, ".debug_line.dwo") != 0) | |
19e6b90e | 2699 | { |
b40bf0a2 NC |
2700 | /* Sections named .debug_line.<foo> are fragments of a .debug_line |
2701 | section containing just the Line Number Statements. They are | |
2702 | created by the assembler and intended to be used alongside gcc's | |
2703 | -ffunction-sections command line option. When the linker's | |
2704 | garbage collection decides to discard a .text.<foo> section it | |
2705 | can then also discard the line number information in .debug_line.<foo>. | |
2706 | ||
4925cdd7 | 2707 | Since the section is a fragment it does not have the details |
b40bf0a2 | 2708 | needed to fill out a LineInfo structure, so instead we use the |
4925cdd7 | 2709 | details from the last full debug_line section that we processed. */ |
b40bf0a2 NC |
2710 | end_of_sequence = end; |
2711 | standard_opcodes = NULL; | |
2712 | linfo = saved_linfo; | |
2713 | reset_state_machine (linfo.li_default_is_stmt); | |
19e6b90e | 2714 | } |
19e6b90e L |
2715 | else |
2716 | { | |
b40bf0a2 | 2717 | unsigned char * hdrptr; |
19e6b90e | 2718 | |
b40bf0a2 NC |
2719 | if ((hdrptr = read_debug_line_header (section, data, end, & linfo, |
2720 | & end_of_sequence)) == NULL) | |
2721 | return 0; | |
19e6b90e | 2722 | |
b40bf0a2 NC |
2723 | printf (_(" Offset: 0x%lx\n"), (long)(data - start)); |
2724 | printf (_(" Length: %ld\n"), (long) linfo.li_length); | |
2725 | printf (_(" DWARF Version: %d\n"), linfo.li_version); | |
2726 | printf (_(" Prologue Length: %d\n"), linfo.li_prologue_length); | |
2727 | printf (_(" Minimum Instruction Length: %d\n"), linfo.li_min_insn_length); | |
2728 | if (linfo.li_version >= 4) | |
2729 | printf (_(" Maximum Ops per Instruction: %d\n"), linfo.li_max_ops_per_insn); | |
2730 | printf (_(" Initial value of 'is_stmt': %d\n"), linfo.li_default_is_stmt); | |
2731 | printf (_(" Line Base: %d\n"), linfo.li_line_base); | |
2732 | printf (_(" Line Range: %d\n"), linfo.li_line_range); | |
2733 | printf (_(" Opcode Base: %d\n"), linfo.li_opcode_base); | |
19e6b90e | 2734 | |
b40bf0a2 | 2735 | reset_state_machine (linfo.li_default_is_stmt); |
19e6b90e | 2736 | |
b40bf0a2 NC |
2737 | /* Display the contents of the Opcodes table. */ |
2738 | standard_opcodes = hdrptr; | |
19e6b90e | 2739 | |
b40bf0a2 | 2740 | printf (_("\n Opcodes:\n")); |
19e6b90e | 2741 | |
b40bf0a2 NC |
2742 | for (i = 1; i < linfo.li_opcode_base; i++) |
2743 | printf (_(" Opcode %d has %d args\n"), i, standard_opcodes[i - 1]); | |
19e6b90e | 2744 | |
b40bf0a2 NC |
2745 | /* Display the contents of the Directory table. */ |
2746 | data = standard_opcodes + linfo.li_opcode_base - 1; | |
19e6b90e | 2747 | |
b40bf0a2 NC |
2748 | if (*data == 0) |
2749 | printf (_("\n The Directory Table is empty.\n")); | |
2750 | else | |
2751 | { | |
fe59e83d CC |
2752 | printf (_("\n The Directory Table (offset 0x%lx):\n"), |
2753 | (long)(data - start)); | |
19e6b90e | 2754 | |
b40bf0a2 | 2755 | while (*data != 0) |
a233b20c | 2756 | { |
fe59e83d | 2757 | printf (" %d\t%s\n", ++last_dir_entry, data); |
b40bf0a2 NC |
2758 | |
2759 | data += strnlen ((char *) data, end - data) + 1; | |
a233b20c | 2760 | } |
b40bf0a2 | 2761 | } |
19e6b90e | 2762 | |
b40bf0a2 NC |
2763 | /* Skip the NUL at the end of the table. */ |
2764 | data++; | |
19e6b90e | 2765 | |
b40bf0a2 NC |
2766 | /* Display the contents of the File Name table. */ |
2767 | if (*data == 0) | |
2768 | printf (_("\n The File Name Table is empty.\n")); | |
2769 | else | |
2770 | { | |
fe59e83d CC |
2771 | printf (_("\n The File Name Table (offset 0x%lx):\n"), |
2772 | (long)(data - start)); | |
b40bf0a2 | 2773 | printf (_(" Entry\tDir\tTime\tSize\tName\n")); |
19e6b90e | 2774 | |
b40bf0a2 NC |
2775 | while (*data != 0) |
2776 | { | |
2777 | unsigned char *name; | |
2778 | unsigned int bytes_read; | |
19e6b90e | 2779 | |
b40bf0a2 NC |
2780 | printf (" %d\t", ++state_machine_regs.last_file_entry); |
2781 | name = data; | |
2782 | data += strnlen ((char *) data, end - data) + 1; | |
19e6b90e | 2783 | |
b40bf0a2 NC |
2784 | printf ("%s\t", |
2785 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
2786 | data += bytes_read; | |
2787 | printf ("%s\t", | |
2788 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
2789 | data += bytes_read; | |
2790 | printf ("%s\t", | |
2791 | dwarf_vmatoa ("u", read_uleb128 (data, & bytes_read, end))); | |
2792 | data += bytes_read; | |
2793 | printf ("%s\n", name); | |
19e6b90e | 2794 | |
b40bf0a2 NC |
2795 | if (data == end) |
2796 | { | |
2797 | warn (_("Corrupt file name table entry\n")); | |
2798 | break; | |
2799 | } | |
a233b20c | 2800 | } |
b40bf0a2 | 2801 | } |
19e6b90e | 2802 | |
b40bf0a2 NC |
2803 | /* Skip the NUL at the end of the table. */ |
2804 | data++; | |
2805 | putchar ('\n'); | |
2806 | saved_linfo = linfo; | |
2807 | } | |
19e6b90e | 2808 | |
b40bf0a2 NC |
2809 | /* Now display the statements. */ |
2810 | if (data >= end_of_sequence) | |
2811 | printf (_(" No Line Number Statements.\n")); | |
2812 | else | |
2813 | { | |
2814 | printf (_(" Line Number Statements:\n")); | |
19e6b90e | 2815 | |
b40bf0a2 NC |
2816 | while (data < end_of_sequence) |
2817 | { | |
2818 | unsigned char op_code; | |
2819 | dwarf_signed_vma adv; | |
2820 | dwarf_vma uladv; | |
2821 | unsigned int bytes_read; | |
19e6b90e | 2822 | |
fe59e83d CC |
2823 | printf (" [0x%08lx]", (long)(data - start)); |
2824 | ||
b40bf0a2 | 2825 | op_code = *data++; |
19e6b90e | 2826 | |
b40bf0a2 | 2827 | if (op_code >= linfo.li_opcode_base) |
19e6b90e | 2828 | { |
b40bf0a2 NC |
2829 | op_code -= linfo.li_opcode_base; |
2830 | uladv = (op_code / linfo.li_line_range); | |
2831 | if (linfo.li_max_ops_per_insn == 1) | |
2832 | { | |
2833 | uladv *= linfo.li_min_insn_length; | |
2834 | state_machine_regs.address += uladv; | |
2835 | printf (_(" Special opcode %d: " | |
2836 | "advance Address by %s to 0x%s"), | |
2837 | op_code, dwarf_vmatoa ("u", uladv), | |
2838 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
2839 | } | |
2840 | else | |
2841 | { | |
2842 | state_machine_regs.address | |
2843 | += ((state_machine_regs.op_index + uladv) | |
2844 | / linfo.li_max_ops_per_insn) | |
2845 | * linfo.li_min_insn_length; | |
2846 | state_machine_regs.op_index | |
2847 | = (state_machine_regs.op_index + uladv) | |
2848 | % linfo.li_max_ops_per_insn; | |
2849 | printf (_(" Special opcode %d: " | |
2850 | "advance Address by %s to 0x%s[%d]"), | |
2851 | op_code, dwarf_vmatoa ("u", uladv), | |
2852 | dwarf_vmatoa ("x", state_machine_regs.address), | |
2853 | state_machine_regs.op_index); | |
2854 | } | |
2855 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; | |
2856 | state_machine_regs.line += adv; | |
2857 | printf (_(" and Line by %s to %d\n"), | |
2858 | dwarf_vmatoa ("d", adv), state_machine_regs.line); | |
19e6b90e | 2859 | } |
b40bf0a2 NC |
2860 | else switch (op_code) |
2861 | { | |
2862 | case DW_LNS_extended_op: | |
2863 | data += process_extended_line_op (data, linfo.li_default_is_stmt, end); | |
2864 | break; | |
2865 | ||
2866 | case DW_LNS_copy: | |
2867 | printf (_(" Copy\n")); | |
2868 | break; | |
2869 | ||
2870 | case DW_LNS_advance_pc: | |
2871 | uladv = read_uleb128 (data, & bytes_read, end); | |
2872 | data += bytes_read; | |
2873 | if (linfo.li_max_ops_per_insn == 1) | |
2874 | { | |
2875 | uladv *= linfo.li_min_insn_length; | |
2876 | state_machine_regs.address += uladv; | |
2877 | printf (_(" Advance PC by %s to 0x%s\n"), | |
2878 | dwarf_vmatoa ("u", uladv), | |
2879 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
2880 | } | |
2881 | else | |
2882 | { | |
2883 | state_machine_regs.address | |
2884 | += ((state_machine_regs.op_index + uladv) | |
2885 | / linfo.li_max_ops_per_insn) | |
2886 | * linfo.li_min_insn_length; | |
2887 | state_machine_regs.op_index | |
2888 | = (state_machine_regs.op_index + uladv) | |
2889 | % linfo.li_max_ops_per_insn; | |
2890 | printf (_(" Advance PC by %s to 0x%s[%d]\n"), | |
2891 | dwarf_vmatoa ("u", uladv), | |
2892 | dwarf_vmatoa ("x", state_machine_regs.address), | |
2893 | state_machine_regs.op_index); | |
2894 | } | |
2895 | break; | |
2896 | ||
2897 | case DW_LNS_advance_line: | |
2898 | adv = read_sleb128 (data, & bytes_read, end); | |
2899 | data += bytes_read; | |
2900 | state_machine_regs.line += adv; | |
2901 | printf (_(" Advance Line by %s to %d\n"), | |
2902 | dwarf_vmatoa ("d", adv), | |
2903 | state_machine_regs.line); | |
2904 | break; | |
2905 | ||
2906 | case DW_LNS_set_file: | |
2907 | adv = read_uleb128 (data, & bytes_read, end); | |
2908 | data += bytes_read; | |
2909 | printf (_(" Set File Name to entry %s in the File Name Table\n"), | |
2910 | dwarf_vmatoa ("d", adv)); | |
2911 | state_machine_regs.file = adv; | |
2912 | break; | |
2913 | ||
2914 | case DW_LNS_set_column: | |
2915 | uladv = read_uleb128 (data, & bytes_read, end); | |
2916 | data += bytes_read; | |
2917 | printf (_(" Set column to %s\n"), | |
2918 | dwarf_vmatoa ("u", uladv)); | |
2919 | state_machine_regs.column = uladv; | |
2920 | break; | |
2921 | ||
2922 | case DW_LNS_negate_stmt: | |
2923 | adv = state_machine_regs.is_stmt; | |
2924 | adv = ! adv; | |
2925 | printf (_(" Set is_stmt to %s\n"), dwarf_vmatoa ("d", adv)); | |
2926 | state_machine_regs.is_stmt = adv; | |
2927 | break; | |
2928 | ||
2929 | case DW_LNS_set_basic_block: | |
2930 | printf (_(" Set basic block\n")); | |
2931 | state_machine_regs.basic_block = 1; | |
2932 | break; | |
2933 | ||
2934 | case DW_LNS_const_add_pc: | |
2935 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); | |
2936 | if (linfo.li_max_ops_per_insn) | |
2937 | { | |
2938 | uladv *= linfo.li_min_insn_length; | |
2939 | state_machine_regs.address += uladv; | |
2940 | printf (_(" Advance PC by constant %s to 0x%s\n"), | |
2941 | dwarf_vmatoa ("u", uladv), | |
2942 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
2943 | } | |
2944 | else | |
2945 | { | |
2946 | state_machine_regs.address | |
2947 | += ((state_machine_regs.op_index + uladv) | |
2948 | / linfo.li_max_ops_per_insn) | |
2949 | * linfo.li_min_insn_length; | |
2950 | state_machine_regs.op_index | |
2951 | = (state_machine_regs.op_index + uladv) | |
2952 | % linfo.li_max_ops_per_insn; | |
2953 | printf (_(" Advance PC by constant %s to 0x%s[%d]\n"), | |
2954 | dwarf_vmatoa ("u", uladv), | |
2955 | dwarf_vmatoa ("x", state_machine_regs.address), | |
2956 | state_machine_regs.op_index); | |
2957 | } | |
2958 | break; | |
2959 | ||
2960 | case DW_LNS_fixed_advance_pc: | |
2961 | SAFE_BYTE_GET_AND_INC (uladv, data, 2, end); | |
2962 | state_machine_regs.address += uladv; | |
2963 | state_machine_regs.op_index = 0; | |
2964 | printf (_(" Advance PC by fixed size amount %s to 0x%s\n"), | |
2965 | dwarf_vmatoa ("u", uladv), | |
2966 | dwarf_vmatoa ("x", state_machine_regs.address)); | |
2967 | break; | |
2968 | ||
2969 | case DW_LNS_set_prologue_end: | |
2970 | printf (_(" Set prologue_end to true\n")); | |
2971 | break; | |
2972 | ||
2973 | case DW_LNS_set_epilogue_begin: | |
2974 | printf (_(" Set epilogue_begin to true\n")); | |
2975 | break; | |
2976 | ||
2977 | case DW_LNS_set_isa: | |
2978 | uladv = read_uleb128 (data, & bytes_read, end); | |
2979 | data += bytes_read; | |
2980 | printf (_(" Set ISA to %s\n"), dwarf_vmatoa ("u", uladv)); | |
2981 | break; | |
2982 | ||
2983 | default: | |
2984 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
2985 | ||
2986 | if (standard_opcodes != NULL) | |
2987 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
2988 | { | |
2989 | printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data, | |
2990 | &bytes_read, end)), | |
2991 | i == 1 ? "" : ", "); | |
2992 | data += bytes_read; | |
2993 | } | |
2994 | putchar ('\n'); | |
2995 | break; | |
2996 | } | |
19e6b90e | 2997 | } |
b40bf0a2 | 2998 | putchar ('\n'); |
19e6b90e | 2999 | } |
19e6b90e L |
3000 | } |
3001 | ||
3002 | return 1; | |
3003 | } | |
3004 | ||
a262ae96 NC |
3005 | typedef struct |
3006 | { | |
467c65bc NC |
3007 | unsigned char *name; |
3008 | unsigned int directory_index; | |
3009 | unsigned int modification_date; | |
3010 | unsigned int length; | |
a262ae96 NC |
3011 | } File_Entry; |
3012 | ||
3013 | /* Output a decoded representation of the .debug_line section. */ | |
3014 | ||
3015 | static int | |
3016 | display_debug_lines_decoded (struct dwarf_section *section, | |
3017 | unsigned char *data, | |
3018 | unsigned char *end) | |
3019 | { | |
b40bf0a2 NC |
3020 | static DWARF2_Internal_LineInfo saved_linfo; |
3021 | ||
a262ae96 NC |
3022 | printf (_("Decoded dump of debug contents of section %s:\n\n"), |
3023 | section->name); | |
3024 | ||
3025 | while (data < end) | |
3026 | { | |
3027 | /* This loop amounts to one iteration per compilation unit. */ | |
91d6fa6a | 3028 | DWARF2_Internal_LineInfo linfo; |
a262ae96 NC |
3029 | unsigned char *standard_opcodes; |
3030 | unsigned char *end_of_sequence; | |
a262ae96 NC |
3031 | int i; |
3032 | File_Entry *file_table = NULL; | |
143a3db0 | 3033 | unsigned int n_files = 0; |
a262ae96 | 3034 | unsigned char **directory_table = NULL; |
143a3db0 | 3035 | unsigned int n_directories = 0; |
a262ae96 | 3036 | |
4925cdd7 NC |
3037 | if (const_strneq (section->name, ".debug_line.") |
3038 | /* Note: the following does not apply to .debug_line.dwo sections. | |
3039 | These are full debug_line sections. */ | |
3040 | && strcmp (section->name, ".debug_line.dwo") != 0) | |
a262ae96 | 3041 | { |
4925cdd7 | 3042 | /* See comment in display_debug_lines_raw(). */ |
b40bf0a2 NC |
3043 | end_of_sequence = end; |
3044 | standard_opcodes = NULL; | |
3045 | linfo = saved_linfo; | |
3046 | reset_state_machine (linfo.li_default_is_stmt); | |
a262ae96 NC |
3047 | } |
3048 | else | |
3049 | { | |
b40bf0a2 | 3050 | unsigned char *hdrptr; |
a262ae96 | 3051 | |
b40bf0a2 NC |
3052 | if ((hdrptr = read_debug_line_header (section, data, end, & linfo, |
3053 | & end_of_sequence)) == NULL) | |
a233b20c | 3054 | return 0; |
0c588247 | 3055 | |
b40bf0a2 | 3056 | reset_state_machine (linfo.li_default_is_stmt); |
a262ae96 | 3057 | |
b40bf0a2 NC |
3058 | /* Save a pointer to the contents of the Opcodes table. */ |
3059 | standard_opcodes = hdrptr; | |
a262ae96 | 3060 | |
b40bf0a2 NC |
3061 | /* Traverse the Directory table just to count entries. */ |
3062 | data = standard_opcodes + linfo.li_opcode_base - 1; | |
3063 | if (*data != 0) | |
3064 | { | |
3065 | unsigned char *ptr_directory_table = data; | |
a262ae96 | 3066 | |
b40bf0a2 NC |
3067 | while (*data != 0) |
3068 | { | |
3069 | data += strnlen ((char *) data, end - data) + 1; | |
3070 | n_directories++; | |
3071 | } | |
a262ae96 | 3072 | |
b40bf0a2 NC |
3073 | /* Go through the directory table again to save the directories. */ |
3074 | directory_table = (unsigned char **) | |
3075 | xmalloc (n_directories * sizeof (unsigned char *)); | |
a262ae96 | 3076 | |
b40bf0a2 NC |
3077 | i = 0; |
3078 | while (*ptr_directory_table != 0) | |
3079 | { | |
3080 | directory_table[i] = ptr_directory_table; | |
3081 | ptr_directory_table += strnlen ((char *) ptr_directory_table, | |
3082 | ptr_directory_table - end) + 1; | |
3083 | i++; | |
3084 | } | |
a262ae96 | 3085 | } |
b40bf0a2 NC |
3086 | /* Skip the NUL at the end of the table. */ |
3087 | data++; | |
a262ae96 | 3088 | |
b40bf0a2 NC |
3089 | /* Traverse the File Name table just to count the entries. */ |
3090 | if (*data != 0) | |
3091 | { | |
3092 | unsigned char *ptr_file_name_table = data; | |
a262ae96 | 3093 | |
b40bf0a2 NC |
3094 | while (*data != 0) |
3095 | { | |
3096 | unsigned int bytes_read; | |
a262ae96 | 3097 | |
b40bf0a2 NC |
3098 | /* Skip Name, directory index, last modification time and length |
3099 | of file. */ | |
3100 | data += strnlen ((char *) data, end - data) + 1; | |
3101 | read_uleb128 (data, & bytes_read, end); | |
3102 | data += bytes_read; | |
3103 | read_uleb128 (data, & bytes_read, end); | |
3104 | data += bytes_read; | |
3105 | read_uleb128 (data, & bytes_read, end); | |
3106 | data += bytes_read; | |
a262ae96 | 3107 | |
b40bf0a2 NC |
3108 | n_files++; |
3109 | } | |
a262ae96 | 3110 | |
b40bf0a2 NC |
3111 | /* Go through the file table again to save the strings. */ |
3112 | file_table = (File_Entry *) xmalloc (n_files * sizeof (File_Entry)); | |
a262ae96 | 3113 | |
b40bf0a2 NC |
3114 | i = 0; |
3115 | while (*ptr_file_name_table != 0) | |
3116 | { | |
3117 | unsigned int bytes_read; | |
3118 | ||
3119 | file_table[i].name = ptr_file_name_table; | |
3120 | ptr_file_name_table += strnlen ((char *) ptr_file_name_table, | |
3121 | end - ptr_file_name_table) + 1; | |
3122 | ||
3123 | /* We are not interested in directory, time or size. */ | |
3124 | file_table[i].directory_index = read_uleb128 (ptr_file_name_table, | |
3125 | & bytes_read, end); | |
3126 | ptr_file_name_table += bytes_read; | |
3127 | file_table[i].modification_date = read_uleb128 (ptr_file_name_table, | |
3128 | & bytes_read, end); | |
3129 | ptr_file_name_table += bytes_read; | |
3130 | file_table[i].length = read_uleb128 (ptr_file_name_table, & bytes_read, end); | |
3131 | ptr_file_name_table += bytes_read; | |
3132 | i++; | |
3133 | } | |
3134 | i = 0; | |
a262ae96 | 3135 | |
b40bf0a2 NC |
3136 | /* Print the Compilation Unit's name and a header. */ |
3137 | if (directory_table == NULL) | |
3138 | { | |
3139 | printf (_("CU: %s:\n"), file_table[0].name); | |
3140 | printf (_("File name Line number Starting address\n")); | |
3141 | } | |
3142 | else | |
3143 | { | |
3144 | unsigned int ix = file_table[0].directory_index; | |
3145 | const char *directory = ix ? (char *)directory_table[ix - 1] : "."; | |
a262ae96 | 3146 | |
b40bf0a2 NC |
3147 | if (do_wide || strlen (directory) < 76) |
3148 | printf (_("CU: %s/%s:\n"), directory, file_table[0].name); | |
3149 | else | |
3150 | printf ("%s:\n", file_table[0].name); | |
0c588247 | 3151 | |
b40bf0a2 NC |
3152 | printf (_("File name Line number Starting address\n")); |
3153 | } | |
3154 | } | |
cc5914eb | 3155 | |
b40bf0a2 NC |
3156 | /* Skip the NUL at the end of the table. */ |
3157 | data++; | |
a262ae96 | 3158 | |
b40bf0a2 NC |
3159 | saved_linfo = linfo; |
3160 | } | |
a262ae96 NC |
3161 | |
3162 | /* This loop iterates through the Dwarf Line Number Program. */ | |
3163 | while (data < end_of_sequence) | |
3164 | { | |
3165 | unsigned char op_code; | |
3166 | int adv; | |
3167 | unsigned long int uladv; | |
3168 | unsigned int bytes_read; | |
3169 | int is_special_opcode = 0; | |
3170 | ||
3171 | op_code = *data++; | |
a262ae96 | 3172 | |
91d6fa6a | 3173 | if (op_code >= linfo.li_opcode_base) |
a262ae96 | 3174 | { |
91d6fa6a | 3175 | op_code -= linfo.li_opcode_base; |
a233b20c JJ |
3176 | uladv = (op_code / linfo.li_line_range); |
3177 | if (linfo.li_max_ops_per_insn == 1) | |
3178 | { | |
3179 | uladv *= linfo.li_min_insn_length; | |
3180 | state_machine_regs.address += uladv; | |
3181 | } | |
3182 | else | |
3183 | { | |
3184 | state_machine_regs.address | |
3185 | += ((state_machine_regs.op_index + uladv) | |
3186 | / linfo.li_max_ops_per_insn) | |
b40bf0a2 | 3187 | * linfo.li_min_insn_length; |
a233b20c JJ |
3188 | state_machine_regs.op_index |
3189 | = (state_machine_regs.op_index + uladv) | |
b40bf0a2 | 3190 | % linfo.li_max_ops_per_insn; |
a233b20c | 3191 | } |
a262ae96 | 3192 | |
91d6fa6a | 3193 | adv = (op_code % linfo.li_line_range) + linfo.li_line_base; |
a262ae96 NC |
3194 | state_machine_regs.line += adv; |
3195 | is_special_opcode = 1; | |
3196 | } | |
3197 | else switch (op_code) | |
b40bf0a2 NC |
3198 | { |
3199 | case DW_LNS_extended_op: | |
3200 | { | |
3201 | unsigned int ext_op_code_len; | |
3202 | unsigned char ext_op_code; | |
3203 | unsigned char *op_code_data = data; | |
3204 | ||
3205 | ext_op_code_len = read_uleb128 (op_code_data, &bytes_read, | |
3206 | end_of_sequence); | |
3207 | op_code_data += bytes_read; | |
3208 | ||
3209 | if (ext_op_code_len == 0) | |
3210 | { | |
3211 | warn (_("badly formed extended line op encountered!\n")); | |
3212 | break; | |
3213 | } | |
3214 | ext_op_code_len += bytes_read; | |
3215 | ext_op_code = *op_code_data++; | |
3216 | ||
3217 | switch (ext_op_code) | |
3218 | { | |
3219 | case DW_LNE_end_sequence: | |
3220 | reset_state_machine (linfo.li_default_is_stmt); | |
3221 | break; | |
3222 | case DW_LNE_set_address: | |
3223 | SAFE_BYTE_GET_AND_INC (state_machine_regs.address, | |
87bc83b3 CC |
3224 | op_code_data, |
3225 | ext_op_code_len - bytes_read - 1, | |
b40bf0a2 NC |
3226 | end); |
3227 | state_machine_regs.op_index = 0; | |
3228 | break; | |
3229 | case DW_LNE_define_file: | |
3230 | { | |
3231 | file_table = (File_Entry *) xrealloc | |
3232 | (file_table, (n_files + 1) * sizeof (File_Entry)); | |
3233 | ||
3234 | ++state_machine_regs.last_file_entry; | |
3235 | /* Source file name. */ | |
3236 | file_table[n_files].name = op_code_data; | |
3237 | op_code_data += strlen ((char *) op_code_data) + 1; | |
3238 | /* Directory index. */ | |
3239 | file_table[n_files].directory_index = | |
3240 | read_uleb128 (op_code_data, & bytes_read, | |
3241 | end_of_sequence); | |
3242 | op_code_data += bytes_read; | |
3243 | /* Last modification time. */ | |
3244 | file_table[n_files].modification_date = | |
3245 | read_uleb128 (op_code_data, & bytes_read, | |
3246 | end_of_sequence); | |
3247 | op_code_data += bytes_read; | |
3248 | /* File length. */ | |
3249 | file_table[n_files].length = | |
3250 | read_uleb128 (op_code_data, & bytes_read, | |
3251 | end_of_sequence); | |
3252 | ||
3253 | n_files++; | |
3254 | break; | |
3255 | } | |
3256 | case DW_LNE_set_discriminator: | |
3257 | case DW_LNE_HP_set_sequence: | |
3258 | /* Simply ignored. */ | |
3259 | break; | |
3260 | ||
3261 | default: | |
3262 | printf (_("UNKNOWN (%u): length %d\n"), | |
3263 | ext_op_code, ext_op_code_len - bytes_read); | |
3264 | break; | |
3265 | } | |
3266 | data += ext_op_code_len; | |
3267 | break; | |
3268 | } | |
3269 | case DW_LNS_copy: | |
3270 | break; | |
3271 | ||
3272 | case DW_LNS_advance_pc: | |
3273 | uladv = read_uleb128 (data, & bytes_read, end); | |
3274 | data += bytes_read; | |
3275 | if (linfo.li_max_ops_per_insn == 1) | |
3276 | { | |
3277 | uladv *= linfo.li_min_insn_length; | |
3278 | state_machine_regs.address += uladv; | |
3279 | } | |
3280 | else | |
3281 | { | |
3282 | state_machine_regs.address | |
3283 | += ((state_machine_regs.op_index + uladv) | |
3284 | / linfo.li_max_ops_per_insn) | |
3285 | * linfo.li_min_insn_length; | |
3286 | state_machine_regs.op_index | |
3287 | = (state_machine_regs.op_index + uladv) | |
3288 | % linfo.li_max_ops_per_insn; | |
3289 | } | |
3290 | break; | |
3291 | ||
3292 | case DW_LNS_advance_line: | |
3293 | adv = read_sleb128 (data, & bytes_read, end); | |
3294 | data += bytes_read; | |
3295 | state_machine_regs.line += adv; | |
3296 | break; | |
3297 | ||
3298 | case DW_LNS_set_file: | |
3299 | adv = read_uleb128 (data, & bytes_read, end); | |
3300 | data += bytes_read; | |
3301 | state_machine_regs.file = adv; | |
3302 | ||
3303 | if (file_table == NULL) | |
3304 | printf (_("\n [Use file table entry %d]\n"), state_machine_regs.file - 1); | |
3305 | else if (file_table[state_machine_regs.file - 1].directory_index == 0) | |
3306 | /* If directory index is 0, that means current directory. */ | |
3307 | printf ("\n./%s:[++]\n", | |
3308 | file_table[state_machine_regs.file - 1].name); | |
3309 | else if (directory_table == NULL) | |
3310 | printf (_("\n [Use directory table entry %d]\n"), | |
3311 | file_table[state_machine_regs.file - 1].directory_index - 1); | |
3312 | else | |
3313 | /* The directory index starts counting at 1. */ | |
3314 | printf ("\n%s/%s:\n", | |
3315 | directory_table[file_table[state_machine_regs.file - 1].directory_index - 1], | |
3316 | file_table[state_machine_regs.file - 1].name); | |
3317 | break; | |
3318 | ||
3319 | case DW_LNS_set_column: | |
3320 | uladv = read_uleb128 (data, & bytes_read, end); | |
3321 | data += bytes_read; | |
3322 | state_machine_regs.column = uladv; | |
3323 | break; | |
3324 | ||
3325 | case DW_LNS_negate_stmt: | |
3326 | adv = state_machine_regs.is_stmt; | |
3327 | adv = ! adv; | |
3328 | state_machine_regs.is_stmt = adv; | |
3329 | break; | |
3330 | ||
3331 | case DW_LNS_set_basic_block: | |
3332 | state_machine_regs.basic_block = 1; | |
3333 | break; | |
3334 | ||
3335 | case DW_LNS_const_add_pc: | |
3336 | uladv = ((255 - linfo.li_opcode_base) / linfo.li_line_range); | |
3337 | if (linfo.li_max_ops_per_insn == 1) | |
3338 | { | |
3339 | uladv *= linfo.li_min_insn_length; | |
3340 | state_machine_regs.address += uladv; | |
3341 | } | |
3342 | else | |
3343 | { | |
3344 | state_machine_regs.address | |
3345 | += ((state_machine_regs.op_index + uladv) | |
3346 | / linfo.li_max_ops_per_insn) | |
3347 | * linfo.li_min_insn_length; | |
3348 | state_machine_regs.op_index | |
3349 | = (state_machine_regs.op_index + uladv) | |
3350 | % linfo.li_max_ops_per_insn; | |
3351 | } | |
3352 | break; | |
3353 | ||
3354 | case DW_LNS_fixed_advance_pc: | |
3355 | SAFE_BYTE_GET_AND_INC (uladv, data, 2, end); | |
3356 | state_machine_regs.address += uladv; | |
3357 | state_machine_regs.op_index = 0; | |
3358 | break; | |
3359 | ||
3360 | case DW_LNS_set_prologue_end: | |
3361 | break; | |
3362 | ||
3363 | case DW_LNS_set_epilogue_begin: | |
3364 | break; | |
3365 | ||
3366 | case DW_LNS_set_isa: | |
3367 | uladv = read_uleb128 (data, & bytes_read, end); | |
3368 | data += bytes_read; | |
3369 | printf (_(" Set ISA to %lu\n"), uladv); | |
3370 | break; | |
3371 | ||
3372 | default: | |
3373 | printf (_(" Unknown opcode %d with operands: "), op_code); | |
3374 | ||
3375 | if (standard_opcodes != NULL) | |
3376 | for (i = standard_opcodes[op_code - 1]; i > 0 ; --i) | |
3377 | { | |
3378 | printf ("0x%s%s", dwarf_vmatoa ("x", read_uleb128 (data, | |
3379 | &bytes_read, end)), | |
3380 | i == 1 ? "" : ", "); | |
3381 | data += bytes_read; | |
3382 | } | |
3383 | putchar ('\n'); | |
3384 | break; | |
3385 | } | |
a262ae96 NC |
3386 | |
3387 | /* Only Special opcodes, DW_LNS_copy and DW_LNE_end_sequence adds a row | |
3388 | to the DWARF address/line matrix. */ | |
3389 | if ((is_special_opcode) || (op_code == DW_LNE_end_sequence) | |
3390 | || (op_code == DW_LNS_copy)) | |
3391 | { | |
3392 | const unsigned int MAX_FILENAME_LENGTH = 35; | |
b40bf0a2 | 3393 | char *fileName; |
a262ae96 | 3394 | char *newFileName = NULL; |
b40bf0a2 NC |
3395 | size_t fileNameLength; |
3396 | ||
3397 | if (file_table) | |
3398 | fileName = (char *) file_table[state_machine_regs.file - 1].name; | |
3399 | else | |
3400 | fileName = "<unknown>"; | |
3401 | ||
3402 | fileNameLength = strlen (fileName); | |
a262ae96 NC |
3403 | |
3404 | if ((fileNameLength > MAX_FILENAME_LENGTH) && (!do_wide)) | |
3405 | { | |
3f5e193b | 3406 | newFileName = (char *) xmalloc (MAX_FILENAME_LENGTH + 1); |
a262ae96 NC |
3407 | /* Truncate file name */ |
3408 | strncpy (newFileName, | |
3409 | fileName + fileNameLength - MAX_FILENAME_LENGTH, | |
3410 | MAX_FILENAME_LENGTH + 1); | |
3411 | } | |
3412 | else | |
3413 | { | |
3f5e193b | 3414 | newFileName = (char *) xmalloc (fileNameLength + 1); |
a262ae96 NC |
3415 | strncpy (newFileName, fileName, fileNameLength + 1); |
3416 | } | |
3417 | ||
3418 | if (!do_wide || (fileNameLength <= MAX_FILENAME_LENGTH)) | |
3419 | { | |
a233b20c | 3420 | if (linfo.li_max_ops_per_insn == 1) |
467c65bc NC |
3421 | printf ("%-35s %11d %#18" DWARF_VMA_FMT "x\n", |
3422 | newFileName, state_machine_regs.line, | |
a233b20c JJ |
3423 | state_machine_regs.address); |
3424 | else | |
467c65bc NC |
3425 | printf ("%-35s %11d %#18" DWARF_VMA_FMT "x[%d]\n", |
3426 | newFileName, state_machine_regs.line, | |
a233b20c JJ |
3427 | state_machine_regs.address, |
3428 | state_machine_regs.op_index); | |
a262ae96 NC |
3429 | } |
3430 | else | |
3431 | { | |
a233b20c | 3432 | if (linfo.li_max_ops_per_insn == 1) |
467c65bc NC |
3433 | printf ("%s %11d %#18" DWARF_VMA_FMT "x\n", |
3434 | newFileName, state_machine_regs.line, | |
a233b20c JJ |
3435 | state_machine_regs.address); |
3436 | else | |
467c65bc NC |
3437 | printf ("%s %11d %#18" DWARF_VMA_FMT "x[%d]\n", |
3438 | newFileName, state_machine_regs.line, | |
a233b20c JJ |
3439 | state_machine_regs.address, |
3440 | state_machine_regs.op_index); | |
a262ae96 NC |
3441 | } |
3442 | ||
3443 | if (op_code == DW_LNE_end_sequence) | |
3444 | printf ("\n"); | |
3445 | ||
3446 | free (newFileName); | |
3447 | } | |
3448 | } | |
b40bf0a2 NC |
3449 | |
3450 | if (file_table) | |
3451 | { | |
3452 | free (file_table); | |
3453 | file_table = NULL; | |
3454 | n_files = 0; | |
3455 | } | |
3456 | ||
3457 | if (directory_table) | |
3458 | { | |
3459 | free (directory_table); | |
3460 | directory_table = NULL; | |
3461 | n_directories = 0; | |
3462 | } | |
3463 | ||
a262ae96 NC |
3464 | putchar ('\n'); |
3465 | } | |
3466 | ||
3467 | return 1; | |
3468 | } | |
3469 | ||
3470 | static int | |
1c4cc746 | 3471 | display_debug_lines (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED) |
a262ae96 NC |
3472 | { |
3473 | unsigned char *data = section->start; | |
3474 | unsigned char *end = data + section->size; | |
4cb93e3b TG |
3475 | int retValRaw = 1; |
3476 | int retValDecoded = 1; | |
a262ae96 | 3477 | |
008f4c78 NC |
3478 | if (do_debug_lines == 0) |
3479 | do_debug_lines |= FLAG_DEBUG_LINES_RAW; | |
3480 | ||
4cb93e3b | 3481 | if (do_debug_lines & FLAG_DEBUG_LINES_RAW) |
a262ae96 NC |
3482 | retValRaw = display_debug_lines_raw (section, data, end); |
3483 | ||
4cb93e3b | 3484 | if (do_debug_lines & FLAG_DEBUG_LINES_DECODED) |
a262ae96 NC |
3485 | retValDecoded = display_debug_lines_decoded (section, data, end); |
3486 | ||
4cb93e3b | 3487 | if (!retValRaw || !retValDecoded) |
a262ae96 NC |
3488 | return 0; |
3489 | ||
3490 | return 1; | |
3491 | } | |
3492 | ||
6e3d6dc1 NC |
3493 | static debug_info * |
3494 | find_debug_info_for_offset (unsigned long offset) | |
3495 | { | |
3496 | unsigned int i; | |
3497 | ||
3498 | if (num_debug_info_entries == DEBUG_INFO_UNAVAILABLE) | |
3499 | return NULL; | |
3500 | ||
3501 | for (i = 0; i < num_debug_info_entries; i++) | |
3502 | if (debug_information[i].cu_offset == offset) | |
3503 | return debug_information + i; | |
3504 | ||
3505 | return NULL; | |
3506 | } | |
3507 | ||
459d52c8 DE |
3508 | static const char * |
3509 | get_gdb_index_symbol_kind_name (gdb_index_symbol_kind kind) | |
3510 | { | |
3511 | /* See gdb/gdb-index.h. */ | |
3512 | static const char * const kinds[] = | |
3513 | { | |
3514 | N_ ("no info"), | |
3515 | N_ ("type"), | |
3516 | N_ ("variable"), | |
3517 | N_ ("function"), | |
3518 | N_ ("other"), | |
3519 | N_ ("unused5"), | |
3520 | N_ ("unused6"), | |
3521 | N_ ("unused7") | |
3522 | }; | |
3523 | ||
3524 | return _ (kinds[kind]); | |
3525 | } | |
3526 | ||
19e6b90e | 3527 | static int |
459d52c8 DE |
3528 | display_debug_pubnames_worker (struct dwarf_section *section, |
3529 | void *file ATTRIBUTE_UNUSED, | |
3530 | int is_gnu) | |
19e6b90e | 3531 | { |
91d6fa6a | 3532 | DWARF2_Internal_PubNames names; |
19e6b90e L |
3533 | unsigned char *start = section->start; |
3534 | unsigned char *end = start + section->size; | |
3535 | ||
6e3d6dc1 NC |
3536 | /* It does not matter if this load fails, |
3537 | we test for that later on. */ | |
3538 | load_debug_info (file); | |
3539 | ||
19e6b90e L |
3540 | printf (_("Contents of the %s section:\n\n"), section->name); |
3541 | ||
3542 | while (start < end) | |
3543 | { | |
3544 | unsigned char *data; | |
3545 | unsigned long offset; | |
bf5117e3 | 3546 | unsigned int offset_size, initial_length_size; |
19e6b90e L |
3547 | |
3548 | data = start; | |
3549 | ||
0c588247 | 3550 | SAFE_BYTE_GET_AND_INC (names.pn_length, data, 4, end); |
91d6fa6a | 3551 | if (names.pn_length == 0xffffffff) |
19e6b90e | 3552 | { |
0c588247 | 3553 | SAFE_BYTE_GET_AND_INC (names.pn_length, data, 8, end); |
19e6b90e L |
3554 | offset_size = 8; |
3555 | initial_length_size = 12; | |
3556 | } | |
3557 | else | |
3558 | { | |
3559 | offset_size = 4; | |
3560 | initial_length_size = 4; | |
3561 | } | |
3562 | ||
0c588247 NC |
3563 | SAFE_BYTE_GET_AND_INC (names.pn_version, data, 2, end); |
3564 | SAFE_BYTE_GET_AND_INC (names.pn_offset, data, offset_size, end); | |
6e3d6dc1 NC |
3565 | |
3566 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE | |
3567 | && num_debug_info_entries > 0 | |
91d6fa6a | 3568 | && find_debug_info_for_offset (names.pn_offset) == NULL) |
6e3d6dc1 | 3569 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), |
47704ddf | 3570 | (unsigned long) names.pn_offset, section->name); |
cecf136e | 3571 | |
0c588247 | 3572 | SAFE_BYTE_GET_AND_INC (names.pn_size, data, offset_size, end); |
19e6b90e | 3573 | |
91d6fa6a | 3574 | start += names.pn_length + initial_length_size; |
19e6b90e | 3575 | |
91d6fa6a | 3576 | if (names.pn_version != 2 && names.pn_version != 3) |
19e6b90e L |
3577 | { |
3578 | static int warned = 0; | |
3579 | ||
3580 | if (! warned) | |
3581 | { | |
3582 | warn (_("Only DWARF 2 and 3 pubnames are currently supported\n")); | |
3583 | warned = 1; | |
3584 | } | |
3585 | ||
3586 | continue; | |
3587 | } | |
3588 | ||
3589 | printf (_(" Length: %ld\n"), | |
47704ddf | 3590 | (long) names.pn_length); |
19e6b90e | 3591 | printf (_(" Version: %d\n"), |
91d6fa6a | 3592 | names.pn_version); |
6e3d6dc1 | 3593 | printf (_(" Offset into .debug_info section: 0x%lx\n"), |
47704ddf | 3594 | (unsigned long) names.pn_offset); |
19e6b90e | 3595 | printf (_(" Size of area in .debug_info section: %ld\n"), |
47704ddf | 3596 | (long) names.pn_size); |
19e6b90e | 3597 | |
459d52c8 DE |
3598 | if (is_gnu) |
3599 | printf (_("\n Offset Kind Name\n")); | |
3600 | else | |
3601 | printf (_("\n Offset\tName\n")); | |
19e6b90e L |
3602 | |
3603 | do | |
3604 | { | |
0c588247 | 3605 | SAFE_BYTE_GET (offset, data, offset_size, end); |
19e6b90e L |
3606 | |
3607 | if (offset != 0) | |
3608 | { | |
3609 | data += offset_size; | |
459d52c8 DE |
3610 | if (is_gnu) |
3611 | { | |
3612 | unsigned int kind_data; | |
3613 | gdb_index_symbol_kind kind; | |
3614 | const char *kind_name; | |
3615 | int is_static; | |
3616 | ||
3617 | SAFE_BYTE_GET (kind_data, data, 1, end); | |
3618 | data++; | |
3619 | /* GCC computes the kind as the upper byte in the CU index | |
3620 | word, and then right shifts it by the CU index size. | |
3621 | Left shift KIND to where the gdb-index.h accessor macros | |
3622 | can use it. */ | |
3623 | kind_data <<= GDB_INDEX_CU_BITSIZE; | |
3624 | kind = GDB_INDEX_SYMBOL_KIND_VALUE (kind_data); | |
3625 | kind_name = get_gdb_index_symbol_kind_name (kind); | |
3626 | is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (kind_data); | |
3627 | printf (" %-6lx %s,%-10s %s\n", | |
3628 | offset, is_static ? _("s") : _("g"), | |
3629 | kind_name, data); | |
3630 | } | |
3631 | else | |
3632 | printf (" %-6lx\t%s\n", offset, data); | |
0c588247 | 3633 | data += strnlen ((char *) data, end - data) + 1; |
19e6b90e L |
3634 | } |
3635 | } | |
3636 | while (offset != 0); | |
3637 | } | |
3638 | ||
3639 | printf ("\n"); | |
3640 | return 1; | |
3641 | } | |
3642 | ||
459d52c8 DE |
3643 | static int |
3644 | display_debug_pubnames (struct dwarf_section *section, void *file) | |
3645 | { | |
3646 | return display_debug_pubnames_worker (section, file, 0); | |
3647 | } | |
3648 | ||
3649 | static int | |
3650 | display_debug_gnu_pubnames (struct dwarf_section *section, void *file) | |
3651 | { | |
3652 | return display_debug_pubnames_worker (section, file, 1); | |
3653 | } | |
3654 | ||
19e6b90e L |
3655 | static int |
3656 | display_debug_macinfo (struct dwarf_section *section, | |
3657 | void *file ATTRIBUTE_UNUSED) | |
3658 | { | |
3659 | unsigned char *start = section->start; | |
3660 | unsigned char *end = start + section->size; | |
3661 | unsigned char *curr = start; | |
3662 | unsigned int bytes_read; | |
3663 | enum dwarf_macinfo_record_type op; | |
3664 | ||
3665 | printf (_("Contents of the %s section:\n\n"), section->name); | |
3666 | ||
3667 | while (curr < end) | |
3668 | { | |
3669 | unsigned int lineno; | |
0c588247 | 3670 | const unsigned char *string; |
19e6b90e | 3671 | |
3f5e193b | 3672 | op = (enum dwarf_macinfo_record_type) *curr; |
19e6b90e L |
3673 | curr++; |
3674 | ||
3675 | switch (op) | |
3676 | { | |
3677 | case DW_MACINFO_start_file: | |
3678 | { | |
3679 | unsigned int filenum; | |
3680 | ||
f6f0e17b | 3681 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 3682 | curr += bytes_read; |
f6f0e17b | 3683 | filenum = read_uleb128 (curr, & bytes_read, end); |
19e6b90e L |
3684 | curr += bytes_read; |
3685 | ||
3686 | printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), | |
3687 | lineno, filenum); | |
3688 | } | |
3689 | break; | |
3690 | ||
3691 | case DW_MACINFO_end_file: | |
3692 | printf (_(" DW_MACINFO_end_file\n")); | |
3693 | break; | |
3694 | ||
3695 | case DW_MACINFO_define: | |
f6f0e17b | 3696 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 3697 | curr += bytes_read; |
0c588247 NC |
3698 | string = curr; |
3699 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
3700 | printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"), |
3701 | lineno, string); | |
3702 | break; | |
3703 | ||
3704 | case DW_MACINFO_undef: | |
f6f0e17b | 3705 | lineno = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 3706 | curr += bytes_read; |
0c588247 NC |
3707 | string = curr; |
3708 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
3709 | printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"), |
3710 | lineno, string); | |
3711 | break; | |
3712 | ||
3713 | case DW_MACINFO_vendor_ext: | |
3714 | { | |
3715 | unsigned int constant; | |
3716 | ||
f6f0e17b | 3717 | constant = read_uleb128 (curr, & bytes_read, end); |
19e6b90e | 3718 | curr += bytes_read; |
0c588247 NC |
3719 | string = curr; |
3720 | curr += strnlen ((char *) string, end - string) + 1; | |
19e6b90e L |
3721 | printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), |
3722 | constant, string); | |
3723 | } | |
3724 | break; | |
3725 | } | |
3726 | } | |
3727 | ||
3728 | return 1; | |
3729 | } | |
3730 | ||
4ccf1e31 JJ |
3731 | /* Given LINE_OFFSET into the .debug_line section, attempt to return |
3732 | filename and dirname corresponding to file name table entry with index | |
3733 | FILEIDX. Return NULL on failure. */ | |
3734 | ||
3735 | static unsigned char * | |
f6f0e17b NC |
3736 | get_line_filename_and_dirname (dwarf_vma line_offset, |
3737 | dwarf_vma fileidx, | |
4ccf1e31 JJ |
3738 | unsigned char **dir_name) |
3739 | { | |
3740 | struct dwarf_section *section = &debug_displays [line].section; | |
3741 | unsigned char *hdrptr, *dirtable, *file_name; | |
3742 | unsigned int offset_size, initial_length_size; | |
3743 | unsigned int version, opcode_base, bytes_read; | |
3744 | dwarf_vma length, diridx; | |
f6f0e17b | 3745 | const unsigned char * end; |
4ccf1e31 JJ |
3746 | |
3747 | *dir_name = NULL; | |
3748 | if (section->start == NULL | |
3749 | || line_offset >= section->size | |
3750 | || fileidx == 0) | |
3751 | return NULL; | |
3752 | ||
3753 | hdrptr = section->start + line_offset; | |
f6f0e17b | 3754 | end = section->start + section->size; |
0c588247 NC |
3755 | |
3756 | SAFE_BYTE_GET_AND_INC (length, hdrptr, 4, end); | |
4ccf1e31 JJ |
3757 | if (length == 0xffffffff) |
3758 | { | |
3759 | /* This section is 64-bit DWARF 3. */ | |
0c588247 | 3760 | SAFE_BYTE_GET_AND_INC (length, hdrptr, 8, end); |
4ccf1e31 JJ |
3761 | offset_size = 8; |
3762 | initial_length_size = 12; | |
3763 | } | |
3764 | else | |
3765 | { | |
3766 | offset_size = 4; | |
3767 | initial_length_size = 4; | |
3768 | } | |
3769 | if (length + initial_length_size > section->size) | |
3770 | return NULL; | |
0c588247 NC |
3771 | |
3772 | SAFE_BYTE_GET_AND_INC (version, hdrptr, 2, end); | |
4ccf1e31 JJ |
3773 | if (version != 2 && version != 3 && version != 4) |
3774 | return NULL; | |
3775 | hdrptr += offset_size + 1;/* Skip prologue_length and min_insn_length. */ | |
3776 | if (version >= 4) | |
3777 | hdrptr++; /* Skip max_ops_per_insn. */ | |
3778 | hdrptr += 3; /* Skip default_is_stmt, line_base, line_range. */ | |
0c588247 NC |
3779 | |
3780 | SAFE_BYTE_GET_AND_INC (opcode_base, hdrptr, 1, end); | |
4ccf1e31 JJ |
3781 | if (opcode_base == 0) |
3782 | return NULL; | |
0c588247 | 3783 | |
4ccf1e31 JJ |
3784 | hdrptr += opcode_base - 1; |
3785 | dirtable = hdrptr; | |
3786 | /* Skip over dirname table. */ | |
3787 | while (*hdrptr != '\0') | |
0c588247 | 3788 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
4ccf1e31 JJ |
3789 | hdrptr++; /* Skip the NUL at the end of the table. */ |
3790 | /* Now skip over preceding filename table entries. */ | |
3791 | for (; *hdrptr != '\0' && fileidx > 1; fileidx--) | |
3792 | { | |
0c588247 | 3793 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
f6f0e17b | 3794 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 | 3795 | hdrptr += bytes_read; |
f6f0e17b | 3796 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 | 3797 | hdrptr += bytes_read; |
f6f0e17b | 3798 | read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 JJ |
3799 | hdrptr += bytes_read; |
3800 | } | |
f6f0e17b | 3801 | if (hdrptr == end || *hdrptr == '\0') |
4ccf1e31 JJ |
3802 | return NULL; |
3803 | file_name = hdrptr; | |
0c588247 | 3804 | hdrptr += strnlen ((char *) hdrptr, end - hdrptr) + 1; |
f6f0e17b | 3805 | diridx = read_uleb128 (hdrptr, &bytes_read, end); |
4ccf1e31 JJ |
3806 | if (diridx == 0) |
3807 | return file_name; | |
3808 | for (; *dirtable != '\0' && diridx > 1; diridx--) | |
0c588247 | 3809 | dirtable += strnlen ((char *) dirtable, end - dirtable) + 1; |
4ccf1e31 JJ |
3810 | if (*dirtable == '\0') |
3811 | return NULL; | |
3812 | *dir_name = dirtable; | |
3813 | return file_name; | |
3814 | } | |
3815 | ||
3816 | static int | |
3817 | display_debug_macro (struct dwarf_section *section, | |
3818 | void *file) | |
3819 | { | |
3820 | unsigned char *start = section->start; | |
3821 | unsigned char *end = start + section->size; | |
3822 | unsigned char *curr = start; | |
3823 | unsigned char *extended_op_buf[256]; | |
3824 | unsigned int bytes_read; | |
3825 | ||
3826 | load_debug_section (str, file); | |
3827 | load_debug_section (line, file); | |
3828 | ||
3829 | printf (_("Contents of the %s section:\n\n"), section->name); | |
3830 | ||
3831 | while (curr < end) | |
3832 | { | |
3833 | unsigned int lineno, version, flags; | |
3834 | unsigned int offset_size = 4; | |
0c588247 | 3835 | const unsigned char *string; |
4ccf1e31 JJ |
3836 | dwarf_vma line_offset = 0, sec_offset = curr - start, offset; |
3837 | unsigned char **extended_ops = NULL; | |
3838 | ||
0c588247 | 3839 | SAFE_BYTE_GET_AND_INC (version, curr, 2, end); |
4ccf1e31 JJ |
3840 | if (version != 4) |
3841 | { | |
3842 | error (_("Only GNU extension to DWARF 4 of %s is currently supported.\n"), | |
3843 | section->name); | |
3844 | return 0; | |
3845 | } | |
3846 | ||
0c588247 | 3847 | SAFE_BYTE_GET_AND_INC (flags, curr, 1, end); |
4ccf1e31 JJ |
3848 | if (flags & 1) |
3849 | offset_size = 8; | |
3850 | printf (_(" Offset: 0x%lx\n"), | |
3851 | (unsigned long) sec_offset); | |
3852 | printf (_(" Version: %d\n"), version); | |
3853 | printf (_(" Offset size: %d\n"), offset_size); | |
3854 | if (flags & 2) | |
3855 | { | |
0c588247 | 3856 | SAFE_BYTE_GET_AND_INC (line_offset, curr, offset_size, end); |
4ccf1e31 JJ |
3857 | printf (_(" Offset into .debug_line: 0x%lx\n"), |
3858 | (unsigned long) line_offset); | |
3859 | } | |
3860 | if (flags & 4) | |
3861 | { | |
0c588247 | 3862 | unsigned int i, count, op; |
4ccf1e31 | 3863 | dwarf_vma nargs, n; |
0c588247 NC |
3864 | |
3865 | SAFE_BYTE_GET_AND_INC (count, curr, 1, end); | |
bf5117e3 | 3866 | |
4ccf1e31 JJ |
3867 | memset (extended_op_buf, 0, sizeof (extended_op_buf)); |
3868 | extended_ops = extended_op_buf; | |
3869 | if (count) | |
3870 | { | |
3871 | printf (_(" Extension opcode arguments:\n")); | |
3872 | for (i = 0; i < count; i++) | |
3873 | { | |
0c588247 | 3874 | SAFE_BYTE_GET_AND_INC (op, curr, 1, end); |
4ccf1e31 | 3875 | extended_ops[op] = curr; |
f6f0e17b | 3876 | nargs = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 JJ |
3877 | curr += bytes_read; |
3878 | if (nargs == 0) | |
3879 | printf (_(" DW_MACRO_GNU_%02x has no arguments\n"), op); | |
3880 | else | |
3881 | { | |
3882 | printf (_(" DW_MACRO_GNU_%02x arguments: "), op); | |
3883 | for (n = 0; n < nargs; n++) | |
3884 | { | |
0c588247 NC |
3885 | unsigned int form; |
3886 | ||
3887 | SAFE_BYTE_GET_AND_INC (form, curr, 1, end); | |
4ccf1e31 JJ |
3888 | printf ("%s%s", get_FORM_name (form), |
3889 | n == nargs - 1 ? "\n" : ", "); | |
3890 | switch (form) | |
3891 | { | |
3892 | case DW_FORM_data1: | |
3893 | case DW_FORM_data2: | |
3894 | case DW_FORM_data4: | |
3895 | case DW_FORM_data8: | |
3896 | case DW_FORM_sdata: | |
3897 | case DW_FORM_udata: | |
3898 | case DW_FORM_block: | |
3899 | case DW_FORM_block1: | |
3900 | case DW_FORM_block2: | |
3901 | case DW_FORM_block4: | |
3902 | case DW_FORM_flag: | |
3903 | case DW_FORM_string: | |
3904 | case DW_FORM_strp: | |
3905 | case DW_FORM_sec_offset: | |
3906 | break; | |
3907 | default: | |
3908 | error (_("Invalid extension opcode form %s\n"), | |
3909 | get_FORM_name (form)); | |
3910 | return 0; | |
3911 | } | |
3912 | } | |
3913 | } | |
3914 | } | |
3915 | } | |
3916 | } | |
3917 | printf ("\n"); | |
3918 | ||
3919 | while (1) | |
3920 | { | |
3921 | unsigned int op; | |
3922 | ||
3923 | if (curr >= end) | |
3924 | { | |
3925 | error (_(".debug_macro section not zero terminated\n")); | |
3926 | return 0; | |
3927 | } | |
3928 | ||
0c588247 | 3929 | SAFE_BYTE_GET_AND_INC (op, curr, 1, end); |
4ccf1e31 JJ |
3930 | if (op == 0) |
3931 | break; | |
3932 | ||
3933 | switch (op) | |
3934 | { | |
3935 | case DW_MACRO_GNU_start_file: | |
3936 | { | |
3937 | unsigned int filenum; | |
3938 | unsigned char *file_name = NULL, *dir_name = NULL; | |
3939 | ||
f6f0e17b | 3940 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 3941 | curr += bytes_read; |
f6f0e17b | 3942 | filenum = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 JJ |
3943 | curr += bytes_read; |
3944 | ||
3945 | if ((flags & 2) == 0) | |
3946 | error (_("DW_MACRO_GNU_start_file used, but no .debug_line offset provided.\n")); | |
3947 | else | |
3948 | file_name | |
3949 | = get_line_filename_and_dirname (line_offset, filenum, | |
3950 | &dir_name); | |
3951 | if (file_name == NULL) | |
3952 | printf (_(" DW_MACRO_GNU_start_file - lineno: %d filenum: %d\n"), | |
3953 | lineno, filenum); | |
3954 | else | |
3955 | printf (_(" DW_MACRO_GNU_start_file - lineno: %d filenum: %d filename: %s%s%s\n"), | |
3956 | lineno, filenum, | |
3957 | dir_name != NULL ? (const char *) dir_name : "", | |
3958 | dir_name != NULL ? "/" : "", file_name); | |
3959 | } | |
3960 | break; | |
3961 | ||
3962 | case DW_MACRO_GNU_end_file: | |
3963 | printf (_(" DW_MACRO_GNU_end_file\n")); | |
3964 | break; | |
3965 | ||
3966 | case DW_MACRO_GNU_define: | |
f6f0e17b | 3967 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 3968 | curr += bytes_read; |
0c588247 NC |
3969 | string = curr; |
3970 | curr += strnlen ((char *) string, end - string) + 1; | |
4ccf1e31 JJ |
3971 | printf (_(" DW_MACRO_GNU_define - lineno : %d macro : %s\n"), |
3972 | lineno, string); | |
3973 | break; | |
3974 | ||
3975 | case DW_MACRO_GNU_undef: | |
f6f0e17b | 3976 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 3977 | curr += bytes_read; |
0c588247 NC |
3978 | string = curr; |
3979 | curr += strnlen ((char *) string, end - string) + 1; | |
4ccf1e31 JJ |
3980 | printf (_(" DW_MACRO_GNU_undef - lineno : %d macro : %s\n"), |
3981 | lineno, string); | |
3982 | break; | |
3983 | ||
3984 | case DW_MACRO_GNU_define_indirect: | |
f6f0e17b | 3985 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 3986 | curr += bytes_read; |
0c588247 | 3987 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 JJ |
3988 | string = fetch_indirect_string (offset); |
3989 | printf (_(" DW_MACRO_GNU_define_indirect - lineno : %d macro : %s\n"), | |
3990 | lineno, string); | |
3991 | break; | |
3992 | ||
3993 | case DW_MACRO_GNU_undef_indirect: | |
f6f0e17b | 3994 | lineno = read_uleb128 (curr, &bytes_read, end); |
4ccf1e31 | 3995 | curr += bytes_read; |
0c588247 | 3996 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 JJ |
3997 | string = fetch_indirect_string (offset); |
3998 | printf (_(" DW_MACRO_GNU_undef_indirect - lineno : %d macro : %s\n"), | |
3999 | lineno, string); | |
4000 | break; | |
4001 | ||
4002 | case DW_MACRO_GNU_transparent_include: | |
0c588247 | 4003 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
4ccf1e31 JJ |
4004 | printf (_(" DW_MACRO_GNU_transparent_include - offset : 0x%lx\n"), |
4005 | (unsigned long) offset); | |
4006 | break; | |
4007 | ||
a081f3cd | 4008 | case DW_MACRO_GNU_define_indirect_alt: |
f6f0e17b | 4009 | lineno = read_uleb128 (curr, &bytes_read, end); |
a081f3cd | 4010 | curr += bytes_read; |
0c588247 | 4011 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
a081f3cd JJ |
4012 | printf (_(" DW_MACRO_GNU_define_indirect_alt - lineno : %d macro offset : 0x%lx\n"), |
4013 | lineno, (unsigned long) offset); | |
4014 | break; | |
4015 | ||
4016 | case DW_MACRO_GNU_undef_indirect_alt: | |
f6f0e17b | 4017 | lineno = read_uleb128 (curr, &bytes_read, end); |
a081f3cd | 4018 | curr += bytes_read; |
0c588247 | 4019 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
a081f3cd JJ |
4020 | printf (_(" DW_MACRO_GNU_undef_indirect_alt - lineno : %d macro offset : 0x%lx\n"), |
4021 | lineno, (unsigned long) offset); | |
4022 | break; | |
4023 | ||
4024 | case DW_MACRO_GNU_transparent_include_alt: | |
0c588247 | 4025 | SAFE_BYTE_GET_AND_INC (offset, curr, offset_size, end); |
a081f3cd JJ |
4026 | printf (_(" DW_MACRO_GNU_transparent_include_alt - offset : 0x%lx\n"), |
4027 | (unsigned long) offset); | |
4028 | break; | |
4029 | ||
4ccf1e31 JJ |
4030 | default: |
4031 | if (extended_ops == NULL || extended_ops[op] == NULL) | |
4032 | { | |
4033 | error (_(" Unknown macro opcode %02x seen\n"), op); | |
4034 | return 0; | |
4035 | } | |
4036 | else | |
4037 | { | |
4038 | /* Skip over unhandled opcodes. */ | |
4039 | dwarf_vma nargs, n; | |
4040 | unsigned char *desc = extended_ops[op]; | |
f6f0e17b | 4041 | nargs = read_uleb128 (desc, &bytes_read, end); |
4ccf1e31 JJ |
4042 | desc += bytes_read; |
4043 | if (nargs == 0) | |
4044 | { | |
4045 | printf (_(" DW_MACRO_GNU_%02x\n"), op); | |
4046 | break; | |
4047 | } | |
4048 | printf (_(" DW_MACRO_GNU_%02x -"), op); | |
4049 | for (n = 0; n < nargs; n++) | |
4050 | { | |
0c588247 NC |
4051 | int val; |
4052 | ||
4053 | SAFE_BYTE_GET_AND_INC (val, desc, 1, end); | |
4ccf1e31 | 4054 | curr |
0c588247 | 4055 | = read_and_display_attr_value (0, val, |
f6f0e17b | 4056 | curr, end, 0, 0, offset_size, |
341f9135 CC |
4057 | version, NULL, 0, NULL, |
4058 | NULL); | |
4ccf1e31 JJ |
4059 | if (n != nargs - 1) |
4060 | printf (","); | |
4061 | } | |
4062 | printf ("\n"); | |
4063 | } | |
4064 | break; | |
4065 | } | |
4066 | } | |
4067 | ||
4068 | printf ("\n"); | |
4069 | } | |
4070 | ||
4071 | return 1; | |
4072 | } | |
4073 | ||
19e6b90e L |
4074 | static int |
4075 | display_debug_abbrev (struct dwarf_section *section, | |
4076 | void *file ATTRIBUTE_UNUSED) | |
4077 | { | |
4078 | abbrev_entry *entry; | |
4079 | unsigned char *start = section->start; | |
4080 | unsigned char *end = start + section->size; | |
4081 | ||
4082 | printf (_("Contents of the %s section:\n\n"), section->name); | |
4083 | ||
4084 | do | |
4085 | { | |
7282333f AM |
4086 | unsigned char *last; |
4087 | ||
19e6b90e L |
4088 | free_abbrevs (); |
4089 | ||
7282333f | 4090 | last = start; |
19e6b90e L |
4091 | start = process_abbrev_section (start, end); |
4092 | ||
4093 | if (first_abbrev == NULL) | |
4094 | continue; | |
4095 | ||
7282333f | 4096 | printf (_(" Number TAG (0x%lx)\n"), (long) (last - section->start)); |
19e6b90e L |
4097 | |
4098 | for (entry = first_abbrev; entry; entry = entry->next) | |
4099 | { | |
4100 | abbrev_attr *attr; | |
4101 | ||
cc5914eb | 4102 | printf (" %ld %s [%s]\n", |
19e6b90e L |
4103 | entry->entry, |
4104 | get_TAG_name (entry->tag), | |
4105 | entry->children ? _("has children") : _("no children")); | |
4106 | ||
4107 | for (attr = entry->first_attr; attr; attr = attr->next) | |
cc5914eb | 4108 | printf (" %-18s %s\n", |
19e6b90e L |
4109 | get_AT_name (attr->attribute), |
4110 | get_FORM_name (attr->form)); | |
4111 | } | |
4112 | } | |
4113 | while (start); | |
4114 | ||
4115 | printf ("\n"); | |
4116 | ||
4117 | return 1; | |
4118 | } | |
4119 | ||
4723351a CC |
4120 | /* Display a location list from a normal (ie, non-dwo) .debug_loc section. */ |
4121 | ||
4122 | static void | |
4123 | display_loc_list (struct dwarf_section *section, | |
4124 | unsigned char **start_ptr, | |
4125 | int debug_info_entry, | |
4126 | unsigned long offset, | |
4127 | unsigned long base_address, | |
4128 | int has_frame_base) | |
4129 | { | |
4130 | unsigned char *start = *start_ptr; | |
4131 | unsigned char *section_end = section->start + section->size; | |
4132 | unsigned long cu_offset = debug_information [debug_info_entry].cu_offset; | |
4133 | unsigned int pointer_size = debug_information [debug_info_entry].pointer_size; | |
4134 | unsigned int offset_size = debug_information [debug_info_entry].offset_size; | |
4135 | int dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
4136 | ||
4137 | dwarf_vma begin; | |
4138 | dwarf_vma end; | |
4139 | unsigned short length; | |
4140 | int need_frame_base; | |
4141 | ||
4142 | while (1) | |
4143 | { | |
4144 | if (start + 2 * pointer_size > section_end) | |
4145 | { | |
4146 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
4147 | offset); | |
4148 | break; | |
4149 | } | |
4150 | ||
fab128ef CC |
4151 | printf (" %8.8lx ", offset + (start - *start_ptr)); |
4152 | ||
4723351a CC |
4153 | /* Note: we use sign extension here in order to be sure that we can detect |
4154 | the -1 escape value. Sign extension into the top 32 bits of a 32-bit | |
4155 | address will not affect the values that we display since we always show | |
4156 | hex values, and always the bottom 32-bits. */ | |
0c588247 NC |
4157 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, section_end); |
4158 | SAFE_BYTE_GET_AND_INC (end, start, pointer_size, section_end); | |
4723351a | 4159 | |
4723351a CC |
4160 | if (begin == 0 && end == 0) |
4161 | { | |
4162 | printf (_("<End of list>\n")); | |
4163 | break; | |
4164 | } | |
4165 | ||
4166 | /* Check base address specifiers. */ | |
4167 | if (begin == (dwarf_vma) -1 && end != (dwarf_vma) -1) | |
4168 | { | |
4169 | base_address = end; | |
4170 | print_dwarf_vma (begin, pointer_size); | |
4171 | print_dwarf_vma (end, pointer_size); | |
4172 | printf (_("(base address)\n")); | |
4173 | continue; | |
4174 | } | |
4175 | ||
4176 | if (start + 2 > section_end) | |
4177 | { | |
4178 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
4179 | offset); | |
4180 | break; | |
4181 | } | |
4182 | ||
0c588247 | 4183 | SAFE_BYTE_GET_AND_INC (length, start, 2, section_end); |
4723351a CC |
4184 | |
4185 | if (start + length > section_end) | |
4186 | { | |
4187 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
4188 | offset); | |
4189 | break; | |
4190 | } | |
4191 | ||
4192 | print_dwarf_vma (begin + base_address, pointer_size); | |
4193 | print_dwarf_vma (end + base_address, pointer_size); | |
4194 | ||
4195 | putchar ('('); | |
4196 | need_frame_base = decode_location_expression (start, | |
4197 | pointer_size, | |
4198 | offset_size, | |
4199 | dwarf_version, | |
4200 | length, | |
4201 | cu_offset, section); | |
4202 | putchar (')'); | |
4203 | ||
4204 | if (need_frame_base && !has_frame_base) | |
4205 | printf (_(" [without DW_AT_frame_base]")); | |
4206 | ||
4207 | if (begin == end) | |
4208 | fputs (_(" (start == end)"), stdout); | |
4209 | else if (begin > end) | |
4210 | fputs (_(" (start > end)"), stdout); | |
4211 | ||
4212 | putchar ('\n'); | |
4213 | ||
4214 | start += length; | |
4215 | } | |
4216 | ||
4217 | *start_ptr = start; | |
4218 | } | |
4219 | ||
fab128ef CC |
4220 | /* Print a .debug_addr table index in decimal, surrounded by square brackets, |
4221 | right-adjusted in a field of length LEN, and followed by a space. */ | |
4222 | ||
4223 | static void | |
4224 | print_addr_index (unsigned int idx, unsigned int len) | |
4225 | { | |
4226 | static char buf[15]; | |
4227 | snprintf (buf, sizeof (buf), "[%d]", idx); | |
341f9135 | 4228 | printf ("%*s ", len, buf); |
fab128ef CC |
4229 | } |
4230 | ||
4723351a CC |
4231 | /* Display a location list from a .dwo section. It uses address indexes rather |
4232 | than embedded addresses. This code closely follows display_loc_list, but the | |
4233 | two are sufficiently different that combining things is very ugly. */ | |
4234 | ||
4235 | static void | |
4236 | display_loc_list_dwo (struct dwarf_section *section, | |
4237 | unsigned char **start_ptr, | |
4238 | int debug_info_entry, | |
4239 | unsigned long offset, | |
4240 | int has_frame_base) | |
4241 | { | |
4242 | unsigned char *start = *start_ptr; | |
4243 | unsigned char *section_end = section->start + section->size; | |
4244 | unsigned long cu_offset = debug_information [debug_info_entry].cu_offset; | |
4245 | unsigned int pointer_size = debug_information [debug_info_entry].pointer_size; | |
4246 | unsigned int offset_size = debug_information [debug_info_entry].offset_size; | |
4247 | int dwarf_version = debug_information [debug_info_entry].dwarf_version; | |
4248 | int entry_type; | |
4249 | unsigned short length; | |
4250 | int need_frame_base; | |
fab128ef | 4251 | unsigned int idx; |
4723351a CC |
4252 | unsigned int bytes_read; |
4253 | ||
4254 | while (1) | |
4255 | { | |
fab128ef | 4256 | printf (" %8.8lx ", offset + (start - *start_ptr)); |
4723351a | 4257 | |
fab128ef | 4258 | if (start >= section_end) |
4723351a CC |
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 (entry_type, start, 1, section_end); |
4723351a CC |
4266 | switch (entry_type) |
4267 | { | |
4268 | case 0: /* A terminating entry. */ | |
4723351a | 4269 | *start_ptr = start; |
fab128ef | 4270 | printf (_("<End of list>\n")); |
4723351a CC |
4271 | return; |
4272 | case 1: /* A base-address entry. */ | |
f6f0e17b | 4273 | idx = read_uleb128 (start, &bytes_read, section_end); |
4723351a | 4274 | start += bytes_read; |
fab128ef CC |
4275 | print_addr_index (idx, 8); |
4276 | printf (" "); | |
4277 | printf (_("(base address selection entry)\n")); | |
4723351a | 4278 | continue; |
fab128ef | 4279 | case 2: /* A start/end entry. */ |
f6f0e17b | 4280 | idx = read_uleb128 (start, &bytes_read, section_end); |
fab128ef CC |
4281 | start += bytes_read; |
4282 | print_addr_index (idx, 8); | |
f6f0e17b | 4283 | idx = read_uleb128 (start, &bytes_read, section_end); |
4723351a | 4284 | start += bytes_read; |
fab128ef CC |
4285 | print_addr_index (idx, 8); |
4286 | break; | |
4287 | case 3: /* A start/length entry. */ | |
f6f0e17b | 4288 | idx = read_uleb128 (start, &bytes_read, section_end); |
4723351a | 4289 | start += bytes_read; |
fab128ef | 4290 | print_addr_index (idx, 8); |
0c588247 | 4291 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); |
fab128ef CC |
4292 | printf ("%08x ", idx); |
4293 | break; | |
4294 | case 4: /* An offset pair entry. */ | |
0c588247 | 4295 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); |
fab128ef | 4296 | printf ("%08x ", idx); |
0c588247 | 4297 | SAFE_BYTE_GET_AND_INC (idx, start, 4, section_end); |
fab128ef | 4298 | printf ("%08x ", idx); |
4723351a CC |
4299 | break; |
4300 | default: | |
fab128ef | 4301 | warn (_("Unknown location list entry type 0x%x.\n"), entry_type); |
4723351a CC |
4302 | *start_ptr = start; |
4303 | return; | |
4304 | } | |
4305 | ||
4306 | if (start + 2 > section_end) | |
4307 | { | |
4308 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
4309 | offset); | |
4310 | break; | |
4311 | } | |
4312 | ||
0c588247 | 4313 | SAFE_BYTE_GET_AND_INC (length, start, 2, section_end); |
4723351a CC |
4314 | if (start + length > section_end) |
4315 | { | |
4316 | warn (_("Location list starting at offset 0x%lx is not terminated.\n"), | |
4317 | offset); | |
4318 | break; | |
4319 | } | |
4320 | ||
4321 | putchar ('('); | |
4322 | need_frame_base = decode_location_expression (start, | |
4323 | pointer_size, | |
4324 | offset_size, | |
4325 | dwarf_version, | |
4326 | length, | |
4327 | cu_offset, section); | |
4328 | putchar (')'); | |
4329 | ||
4330 | if (need_frame_base && !has_frame_base) | |
4331 | printf (_(" [without DW_AT_frame_base]")); | |
4332 | ||
4333 | putchar ('\n'); | |
4334 | ||
4335 | start += length; | |
4336 | } | |
4337 | ||
4338 | *start_ptr = start; | |
4339 | } | |
4340 | ||
51d0d03f JJ |
4341 | /* Sort array of indexes in ascending order of loc_offsets[idx]. */ |
4342 | ||
4343 | static dwarf_vma *loc_offsets; | |
4344 | ||
4345 | static int | |
4346 | loc_offsets_compar (const void *ap, const void *bp) | |
4347 | { | |
4348 | dwarf_vma a = loc_offsets[*(const unsigned int *) ap]; | |
4349 | dwarf_vma b = loc_offsets[*(const unsigned int *) bp]; | |
4350 | ||
4351 | return (a > b) - (b > a); | |
4352 | } | |
4353 | ||
19e6b90e L |
4354 | static int |
4355 | display_debug_loc (struct dwarf_section *section, void *file) | |
4356 | { | |
4357 | unsigned char *start = section->start; | |
19e6b90e L |
4358 | unsigned long bytes; |
4359 | unsigned char *section_begin = start; | |
4360 | unsigned int num_loc_list = 0; | |
4361 | unsigned long last_offset = 0; | |
4362 | unsigned int first = 0; | |
4363 | unsigned int i; | |
4364 | unsigned int j; | |
51d0d03f | 4365 | unsigned int k; |
19e6b90e | 4366 | int seen_first_offset = 0; |
51d0d03f | 4367 | int locs_sorted = 1; |
19e6b90e | 4368 | unsigned char *next; |
51d0d03f | 4369 | unsigned int *array = NULL; |
4723351a CC |
4370 | const char *suffix = strrchr (section->name, '.'); |
4371 | int is_dwo = 0; | |
4372 | ||
4373 | if (suffix && strcmp (suffix, ".dwo") == 0) | |
4374 | is_dwo = 1; | |
19e6b90e L |
4375 | |
4376 | bytes = section->size; | |
19e6b90e L |
4377 | |
4378 | if (bytes == 0) | |
4379 | { | |
4380 | printf (_("\nThe %s section is empty.\n"), section->name); | |
4381 | return 0; | |
4382 | } | |
4383 | ||
1febe64d NC |
4384 | if (load_debug_info (file) == 0) |
4385 | { | |
4386 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
4387 | section->name); | |
4388 | return 0; | |
4389 | } | |
19e6b90e L |
4390 | |
4391 | /* Check the order of location list in .debug_info section. If | |
4392 | offsets of location lists are in the ascending order, we can | |
4393 | use `debug_information' directly. */ | |
4394 | for (i = 0; i < num_debug_info_entries; i++) | |
4395 | { | |
4396 | unsigned int num; | |
4397 | ||
4398 | num = debug_information [i].num_loc_offsets; | |
51d0d03f JJ |
4399 | if (num > num_loc_list) |
4400 | num_loc_list = num; | |
19e6b90e L |
4401 | |
4402 | /* Check if we can use `debug_information' directly. */ | |
51d0d03f | 4403 | if (locs_sorted && num != 0) |
19e6b90e L |
4404 | { |
4405 | if (!seen_first_offset) | |
4406 | { | |
4407 | /* This is the first location list. */ | |
4408 | last_offset = debug_information [i].loc_offsets [0]; | |
4409 | first = i; | |
4410 | seen_first_offset = 1; | |
4411 | j = 1; | |
4412 | } | |
4413 | else | |
4414 | j = 0; | |
4415 | ||
4416 | for (; j < num; j++) | |
4417 | { | |
4418 | if (last_offset > | |
4419 | debug_information [i].loc_offsets [j]) | |
4420 | { | |
51d0d03f | 4421 | locs_sorted = 0; |
19e6b90e L |
4422 | break; |
4423 | } | |
4424 | last_offset = debug_information [i].loc_offsets [j]; | |
4425 | } | |
4426 | } | |
4427 | } | |
4428 | ||
19e6b90e L |
4429 | if (!seen_first_offset) |
4430 | error (_("No location lists in .debug_info section!\n")); | |
4431 | ||
d4bfc77b | 4432 | if (debug_information [first].num_loc_offsets > 0 |
d493b283 | 4433 | && debug_information [first].loc_offsets [0] != 0) |
47704ddf KT |
4434 | warn (_("Location lists in %s section start at 0x%s\n"), |
4435 | section->name, | |
4436 | dwarf_vmatoa ("x", debug_information [first].loc_offsets [0])); | |
19e6b90e | 4437 | |
51d0d03f JJ |
4438 | if (!locs_sorted) |
4439 | array = (unsigned int *) xcmalloc (num_loc_list, sizeof (unsigned int)); | |
19e6b90e | 4440 | printf (_("Contents of the %s section:\n\n"), section->name); |
fab128ef | 4441 | printf (_(" Offset Begin End Expression\n")); |
19e6b90e L |
4442 | |
4443 | seen_first_offset = 0; | |
4444 | for (i = first; i < num_debug_info_entries; i++) | |
4445 | { | |
19e6b90e | 4446 | unsigned long offset; |
19e6b90e | 4447 | unsigned long base_address; |
19e6b90e L |
4448 | int has_frame_base; |
4449 | ||
51d0d03f JJ |
4450 | if (!locs_sorted) |
4451 | { | |
4452 | for (k = 0; k < debug_information [i].num_loc_offsets; k++) | |
4453 | array[k] = k; | |
4454 | loc_offsets = debug_information [i].loc_offsets; | |
4455 | qsort (array, debug_information [i].num_loc_offsets, | |
4456 | sizeof (*array), loc_offsets_compar); | |
4457 | } | |
19e6b90e | 4458 | |
51d0d03f | 4459 | for (k = 0; k < debug_information [i].num_loc_offsets; k++) |
19e6b90e | 4460 | { |
51d0d03f JJ |
4461 | j = locs_sorted ? k : array[k]; |
4462 | if (k | |
4463 | && debug_information [i].loc_offsets [locs_sorted | |
4464 | ? k - 1 : array [k - 1]] | |
4465 | == debug_information [i].loc_offsets [j]) | |
4466 | continue; | |
19e6b90e | 4467 | has_frame_base = debug_information [i].have_frame_base [j]; |
d493b283 | 4468 | offset = debug_information [i].loc_offsets [j]; |
19e6b90e L |
4469 | next = section_begin + offset; |
4470 | base_address = debug_information [i].base_address; | |
4471 | ||
4472 | if (!seen_first_offset) | |
4473 | seen_first_offset = 1; | |
4474 | else | |
4475 | { | |
4476 | if (start < next) | |
4477 | warn (_("There is a hole [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e AM |
4478 | (unsigned long) (start - section_begin), |
4479 | (unsigned long) (next - section_begin)); | |
19e6b90e L |
4480 | else if (start > next) |
4481 | warn (_("There is an overlap [0x%lx - 0x%lx] in .debug_loc section.\n"), | |
0af1713e AM |
4482 | (unsigned long) (start - section_begin), |
4483 | (unsigned long) (next - section_begin)); | |
19e6b90e L |
4484 | } |
4485 | start = next; | |
4486 | ||
4487 | if (offset >= bytes) | |
4488 | { | |
4489 | warn (_("Offset 0x%lx is bigger than .debug_loc section size.\n"), | |
4490 | offset); | |
4491 | continue; | |
4492 | } | |
4493 | ||
4723351a CC |
4494 | if (is_dwo) |
4495 | display_loc_list_dwo (section, &start, i, offset, has_frame_base); | |
4496 | else | |
4497 | display_loc_list (section, &start, i, offset, base_address, | |
4498 | has_frame_base); | |
19e6b90e L |
4499 | } |
4500 | } | |
031cd65f | 4501 | |
4723351a | 4502 | if (start < section->start + section->size) |
031cd65f | 4503 | warn (_("There are %ld unused bytes at the end of section %s\n"), |
4723351a | 4504 | (long) (section->start + section->size - start), section->name); |
98fb390a | 4505 | putchar ('\n'); |
51d0d03f | 4506 | free (array); |
19e6b90e L |
4507 | return 1; |
4508 | } | |
4509 | ||
4510 | static int | |
4511 | display_debug_str (struct dwarf_section *section, | |
4512 | void *file ATTRIBUTE_UNUSED) | |
4513 | { | |
4514 | unsigned char *start = section->start; | |
4515 | unsigned long bytes = section->size; | |
4516 | dwarf_vma addr = section->address; | |
4517 | ||
4518 | if (bytes == 0) | |
4519 | { | |
4520 | printf (_("\nThe %s section is empty.\n"), section->name); | |
4521 | return 0; | |
4522 | } | |
4523 | ||
4524 | printf (_("Contents of the %s section:\n\n"), section->name); | |
4525 | ||
4526 | while (bytes) | |
4527 | { | |
4528 | int j; | |
4529 | int k; | |
4530 | int lbytes; | |
4531 | ||
4532 | lbytes = (bytes > 16 ? 16 : bytes); | |
4533 | ||
4534 | printf (" 0x%8.8lx ", (unsigned long) addr); | |
4535 | ||
4536 | for (j = 0; j < 16; j++) | |
4537 | { | |
4538 | if (j < lbytes) | |
4539 | printf ("%2.2x", start[j]); | |
4540 | else | |
4541 | printf (" "); | |
4542 | ||
4543 | if ((j & 3) == 3) | |
4544 | printf (" "); | |
4545 | } | |
4546 | ||
4547 | for (j = 0; j < lbytes; j++) | |
4548 | { | |
4549 | k = start[j]; | |
4550 | if (k >= ' ' && k < 0x80) | |
4551 | printf ("%c", k); | |
4552 | else | |
4553 | printf ("."); | |
4554 | } | |
4555 | ||
4556 | putchar ('\n'); | |
4557 | ||
4558 | start += lbytes; | |
4559 | addr += lbytes; | |
4560 | bytes -= lbytes; | |
4561 | } | |
4562 | ||
4563 | putchar ('\n'); | |
4564 | ||
4565 | return 1; | |
4566 | } | |
4567 | ||
19e6b90e L |
4568 | static int |
4569 | display_debug_info (struct dwarf_section *section, void *file) | |
4570 | { | |
4723351a | 4571 | return process_debug_info (section, file, section->abbrev_sec, 0, 0); |
19e6b90e L |
4572 | } |
4573 | ||
2b6f5997 CC |
4574 | static int |
4575 | display_debug_types (struct dwarf_section *section, void *file) | |
4576 | { | |
4723351a | 4577 | return process_debug_info (section, file, section->abbrev_sec, 0, 1); |
6f875884 TG |
4578 | } |
4579 | ||
4580 | static int | |
4581 | display_trace_info (struct dwarf_section *section, void *file) | |
4582 | { | |
4723351a | 4583 | return process_debug_info (section, file, section->abbrev_sec, 0, 0); |
2b6f5997 | 4584 | } |
19e6b90e L |
4585 | |
4586 | static int | |
4587 | display_debug_aranges (struct dwarf_section *section, | |
4588 | void *file ATTRIBUTE_UNUSED) | |
4589 | { | |
4590 | unsigned char *start = section->start; | |
4591 | unsigned char *end = start + section->size; | |
4592 | ||
80c35038 | 4593 | printf (_("Contents of the %s section:\n\n"), section->name); |
19e6b90e | 4594 | |
6e3d6dc1 NC |
4595 | /* It does not matter if this load fails, |
4596 | we test for that later on. */ | |
4597 | load_debug_info (file); | |
4598 | ||
19e6b90e L |
4599 | while (start < end) |
4600 | { | |
4601 | unsigned char *hdrptr; | |
4602 | DWARF2_Internal_ARange arange; | |
91d6fa6a | 4603 | unsigned char *addr_ranges; |
2d9472a2 NC |
4604 | dwarf_vma length; |
4605 | dwarf_vma address; | |
53b8873b | 4606 | unsigned char address_size; |
19e6b90e | 4607 | int excess; |
bf5117e3 NC |
4608 | unsigned int offset_size; |
4609 | unsigned int initial_length_size; | |
19e6b90e L |
4610 | |
4611 | hdrptr = start; | |
4612 | ||
0c588247 | 4613 | SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 4, end); |
19e6b90e L |
4614 | if (arange.ar_length == 0xffffffff) |
4615 | { | |
0c588247 | 4616 | SAFE_BYTE_GET_AND_INC (arange.ar_length, hdrptr, 8, end); |
19e6b90e L |
4617 | offset_size = 8; |
4618 | initial_length_size = 12; | |
4619 | } | |
4620 | else | |
4621 | { | |
4622 | offset_size = 4; | |
4623 | initial_length_size = 4; | |
4624 | } | |
4625 | ||
0c588247 NC |
4626 | SAFE_BYTE_GET_AND_INC (arange.ar_version, hdrptr, 2, end); |
4627 | SAFE_BYTE_GET_AND_INC (arange.ar_info_offset, hdrptr, offset_size, end); | |
19e6b90e | 4628 | |
6e3d6dc1 NC |
4629 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE |
4630 | && num_debug_info_entries > 0 | |
4631 | && find_debug_info_for_offset (arange.ar_info_offset) == NULL) | |
4632 | warn (_(".debug_info offset of 0x%lx in %s section does not point to a CU header.\n"), | |
47704ddf | 4633 | (unsigned long) arange.ar_info_offset, section->name); |
6e3d6dc1 | 4634 | |
0c588247 NC |
4635 | SAFE_BYTE_GET_AND_INC (arange.ar_pointer_size, hdrptr, 1, end); |
4636 | SAFE_BYTE_GET_AND_INC (arange.ar_segment_size, hdrptr, 1, end); | |
19e6b90e L |
4637 | |
4638 | if (arange.ar_version != 2 && arange.ar_version != 3) | |
4639 | { | |
4640 | warn (_("Only DWARF 2 and 3 aranges are currently supported.\n")); | |
4641 | break; | |
4642 | } | |
4643 | ||
47704ddf KT |
4644 | printf (_(" Length: %ld\n"), |
4645 | (long) arange.ar_length); | |
19e6b90e | 4646 | printf (_(" Version: %d\n"), arange.ar_version); |
47704ddf KT |
4647 | printf (_(" Offset into .debug_info: 0x%lx\n"), |
4648 | (unsigned long) arange.ar_info_offset); | |
19e6b90e L |
4649 | printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size); |
4650 | printf (_(" Segment Size: %d\n"), arange.ar_segment_size); | |
4651 | ||
53b8873b NC |
4652 | address_size = arange.ar_pointer_size + arange.ar_segment_size; |
4653 | ||
b3681d67 L |
4654 | if (address_size == 0) |
4655 | { | |
4656 | error (_("Invalid address size in %s section!\n"), | |
4657 | section->name); | |
4658 | break; | |
4659 | } | |
4660 | ||
53b8873b NC |
4661 | /* The DWARF spec does not require that the address size be a power |
4662 | of two, but we do. This will have to change if we ever encounter | |
4663 | an uneven architecture. */ | |
4664 | if ((address_size & (address_size - 1)) != 0) | |
4665 | { | |
4666 | warn (_("Pointer size + Segment size is not a power of two.\n")); | |
4667 | break; | |
4668 | } | |
cecf136e | 4669 | |
209c9a13 NC |
4670 | if (address_size > 4) |
4671 | printf (_("\n Address Length\n")); | |
4672 | else | |
4673 | printf (_("\n Address Length\n")); | |
19e6b90e | 4674 | |
91d6fa6a | 4675 | addr_ranges = hdrptr; |
19e6b90e | 4676 | |
53b8873b NC |
4677 | /* Must pad to an alignment boundary that is twice the address size. */ |
4678 | excess = (hdrptr - start) % (2 * address_size); | |
19e6b90e | 4679 | if (excess) |
91d6fa6a | 4680 | addr_ranges += (2 * address_size) - excess; |
19e6b90e | 4681 | |
1617e571 AM |
4682 | start += arange.ar_length + initial_length_size; |
4683 | ||
91d6fa6a | 4684 | while (addr_ranges + 2 * address_size <= start) |
19e6b90e | 4685 | { |
0c588247 NC |
4686 | SAFE_BYTE_GET_AND_INC (address, addr_ranges, address_size, end); |
4687 | SAFE_BYTE_GET_AND_INC (length, addr_ranges, address_size, end); | |
19e6b90e | 4688 | |
80c35038 | 4689 | printf (" "); |
2d9472a2 NC |
4690 | print_dwarf_vma (address, address_size); |
4691 | print_dwarf_vma (length, address_size); | |
4692 | putchar ('\n'); | |
19e6b90e | 4693 | } |
19e6b90e L |
4694 | } |
4695 | ||
4696 | printf ("\n"); | |
4697 | ||
4698 | return 1; | |
4699 | } | |
4700 | ||
4723351a CC |
4701 | /* Comparison function for qsort. */ |
4702 | static int | |
4703 | comp_addr_base (const void * v0, const void * v1) | |
4704 | { | |
4705 | debug_info * info0 = (debug_info *) v0; | |
4706 | debug_info * info1 = (debug_info *) v1; | |
4707 | return info0->addr_base - info1->addr_base; | |
4708 | } | |
4709 | ||
4710 | /* Display the debug_addr section. */ | |
4711 | static int | |
4712 | display_debug_addr (struct dwarf_section *section, | |
4713 | void *file) | |
4714 | { | |
4715 | debug_info **debug_addr_info; | |
4716 | unsigned char *entry; | |
4717 | unsigned char *end; | |
4718 | unsigned int i; | |
4719 | unsigned int count; | |
4720 | ||
4721 | if (section->size == 0) | |
4722 | { | |
4723 | printf (_("\nThe %s section is empty.\n"), section->name); | |
4724 | return 0; | |
4725 | } | |
4726 | ||
4727 | if (load_debug_info (file) == 0) | |
4728 | { | |
4729 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
4730 | section->name); | |
4731 | return 0; | |
4732 | } | |
4733 | ||
4734 | printf (_("Contents of the %s section:\n\n"), section->name); | |
4735 | ||
90f9a987 | 4736 | debug_addr_info = (debug_info **) xmalloc ((num_debug_info_entries + 1) |
4723351a CC |
4737 | * sizeof (debug_info *)); |
4738 | ||
4739 | count = 0; | |
4740 | for (i = 0; i < num_debug_info_entries; i++) | |
4741 | { | |
4742 | if (debug_information [i].addr_base != DEBUG_INFO_UNAVAILABLE) | |
4743 | debug_addr_info [count++] = &debug_information [i]; | |
4744 | } | |
4745 | ||
4746 | /* Add a sentinel to make iteration convenient. */ | |
4747 | debug_addr_info [count] = (debug_info *) xmalloc (sizeof (debug_info)); | |
4748 | debug_addr_info [count]->addr_base = section->size; | |
4749 | ||
4750 | qsort (debug_addr_info, count, sizeof (debug_info *), comp_addr_base); | |
4751 | for (i = 0; i < count; i++) | |
4752 | { | |
4753 | unsigned int idx; | |
fab128ef | 4754 | unsigned int address_size = debug_addr_info [i]->pointer_size; |
4723351a CC |
4755 | |
4756 | printf (_(" For compilation unit at offset 0x%s:\n"), | |
4757 | dwarf_vmatoa ("x", debug_addr_info [i]->cu_offset)); | |
4758 | ||
fab128ef | 4759 | printf (_("\tIndex\tAddress\n")); |
4723351a CC |
4760 | entry = section->start + debug_addr_info [i]->addr_base; |
4761 | end = section->start + debug_addr_info [i + 1]->addr_base; | |
4762 | idx = 0; | |
4763 | while (entry < end) | |
4764 | { | |
fab128ef CC |
4765 | dwarf_vma base = byte_get (entry, address_size); |
4766 | printf (_("\t%d:\t"), idx); | |
4767 | print_dwarf_vma (base, address_size); | |
4768 | printf ("\n"); | |
4769 | entry += address_size; | |
4723351a CC |
4770 | idx++; |
4771 | } | |
4772 | } | |
4773 | printf ("\n"); | |
4774 | ||
4775 | free (debug_addr_info); | |
4776 | return 1; | |
4777 | } | |
4778 | ||
4779 | /* Display the .debug_str_offsets and .debug_str_offsets.dwo sections. */ | |
4780 | static int | |
4781 | display_debug_str_offsets (struct dwarf_section *section, | |
4782 | void *file ATTRIBUTE_UNUSED) | |
4783 | { | |
4784 | if (section->size == 0) | |
4785 | { | |
4786 | printf (_("\nThe %s section is empty.\n"), section->name); | |
4787 | return 0; | |
4788 | } | |
4789 | /* TODO: Dump the contents. This is made somewhat difficult by not knowing | |
4790 | what the offset size is for this section. */ | |
4791 | return 1; | |
4792 | } | |
4793 | ||
01a8f077 JK |
4794 | /* Each debug_information[x].range_lists[y] gets this representation for |
4795 | sorting purposes. */ | |
4796 | ||
4797 | struct range_entry | |
467c65bc NC |
4798 | { |
4799 | /* The debug_information[x].range_lists[y] value. */ | |
4800 | unsigned long ranges_offset; | |
01a8f077 | 4801 | |
467c65bc NC |
4802 | /* Original debug_information to find parameters of the data. */ |
4803 | debug_info *debug_info_p; | |
4804 | }; | |
01a8f077 JK |
4805 | |
4806 | /* Sort struct range_entry in ascending order of its RANGES_OFFSET. */ | |
4807 | ||
4808 | static int | |
4809 | range_entry_compar (const void *ap, const void *bp) | |
4810 | { | |
3f5e193b NC |
4811 | const struct range_entry *a_re = (const struct range_entry *) ap; |
4812 | const struct range_entry *b_re = (const struct range_entry *) bp; | |
01a8f077 JK |
4813 | const unsigned long a = a_re->ranges_offset; |
4814 | const unsigned long b = b_re->ranges_offset; | |
4815 | ||
4816 | return (a > b) - (b > a); | |
4817 | } | |
4818 | ||
19e6b90e L |
4819 | static int |
4820 | display_debug_ranges (struct dwarf_section *section, | |
4821 | void *file ATTRIBUTE_UNUSED) | |
4822 | { | |
4823 | unsigned char *start = section->start; | |
a2ff7a4b | 4824 | unsigned char *last_start = start; |
f6f0e17b | 4825 | unsigned long bytes = section->size; |
19e6b90e | 4826 | unsigned char *section_begin = start; |
f6f0e17b | 4827 | unsigned char *finish = start + bytes; |
01a8f077 JK |
4828 | unsigned int num_range_list, i; |
4829 | struct range_entry *range_entries, *range_entry_fill; | |
19e6b90e | 4830 | |
19e6b90e L |
4831 | if (bytes == 0) |
4832 | { | |
4833 | printf (_("\nThe %s section is empty.\n"), section->name); | |
4834 | return 0; | |
4835 | } | |
4836 | ||
1febe64d NC |
4837 | if (load_debug_info (file) == 0) |
4838 | { | |
4839 | warn (_("Unable to load/parse the .debug_info section, so cannot interpret the %s section.\n"), | |
4840 | section->name); | |
4841 | return 0; | |
4842 | } | |
19e6b90e | 4843 | |
01a8f077 | 4844 | num_range_list = 0; |
19e6b90e | 4845 | for (i = 0; i < num_debug_info_entries; i++) |
01a8f077 | 4846 | num_range_list += debug_information [i].num_range_lists; |
19e6b90e | 4847 | |
01a8f077 | 4848 | if (num_range_list == 0) |
4723351a CC |
4849 | { |
4850 | /* This can happen when the file was compiled with -gsplit-debug | |
4851 | which removes references to range lists from the primary .o file. */ | |
4852 | printf (_("No range lists in .debug_info section.\n")); | |
4853 | return 1; | |
4854 | } | |
19e6b90e | 4855 | |
3f5e193b NC |
4856 | range_entries = (struct range_entry *) |
4857 | xmalloc (sizeof (*range_entries) * num_range_list); | |
01a8f077 | 4858 | range_entry_fill = range_entries; |
19e6b90e | 4859 | |
01a8f077 JK |
4860 | for (i = 0; i < num_debug_info_entries; i++) |
4861 | { | |
4862 | debug_info *debug_info_p = &debug_information[i]; | |
4863 | unsigned int j; | |
4864 | ||
4865 | for (j = 0; j < debug_info_p->num_range_lists; j++) | |
4866 | { | |
4867 | range_entry_fill->ranges_offset = debug_info_p->range_lists[j]; | |
4868 | range_entry_fill->debug_info_p = debug_info_p; | |
4869 | range_entry_fill++; | |
19e6b90e L |
4870 | } |
4871 | } | |
4872 | ||
01a8f077 JK |
4873 | qsort (range_entries, num_range_list, sizeof (*range_entries), |
4874 | range_entry_compar); | |
19e6b90e | 4875 | |
d493b283 | 4876 | if (dwarf_check != 0 && range_entries[0].ranges_offset != 0) |
19e6b90e | 4877 | warn (_("Range lists in %s section start at 0x%lx\n"), |
01a8f077 | 4878 | section->name, range_entries[0].ranges_offset); |
19e6b90e L |
4879 | |
4880 | printf (_("Contents of the %s section:\n\n"), section->name); | |
4881 | printf (_(" Offset Begin End\n")); | |
4882 | ||
01a8f077 | 4883 | for (i = 0; i < num_range_list; i++) |
19e6b90e | 4884 | { |
01a8f077 JK |
4885 | struct range_entry *range_entry = &range_entries[i]; |
4886 | debug_info *debug_info_p = range_entry->debug_info_p; | |
19e6b90e | 4887 | unsigned int pointer_size; |
01a8f077 JK |
4888 | unsigned long offset; |
4889 | unsigned char *next; | |
19e6b90e L |
4890 | unsigned long base_address; |
4891 | ||
01a8f077 JK |
4892 | pointer_size = debug_info_p->pointer_size; |
4893 | ||
d493b283 | 4894 | offset = range_entry->ranges_offset; |
01a8f077 JK |
4895 | next = section_begin + offset; |
4896 | base_address = debug_info_p->base_address; | |
cecf136e | 4897 | |
4723351a | 4898 | if (dwarf_check != 0 && i > 0) |
19e6b90e | 4899 | { |
01a8f077 JK |
4900 | if (start < next) |
4901 | warn (_("There is a hole [0x%lx - 0x%lx] in %s section.\n"), | |
4902 | (unsigned long) (start - section_begin), | |
4903 | (unsigned long) (next - section_begin), section->name); | |
4904 | else if (start > next) | |
a2ff7a4b AM |
4905 | { |
4906 | if (next == last_start) | |
4907 | continue; | |
4908 | warn (_("There is an overlap [0x%lx - 0x%lx] in %s section.\n"), | |
4909 | (unsigned long) (start - section_begin), | |
4910 | (unsigned long) (next - section_begin), section->name); | |
4911 | } | |
01a8f077 JK |
4912 | } |
4913 | start = next; | |
a2ff7a4b | 4914 | last_start = next; |
19e6b90e | 4915 | |
f6f0e17b | 4916 | while (start < finish) |
01a8f077 JK |
4917 | { |
4918 | dwarf_vma begin; | |
4919 | dwarf_vma end; | |
4920 | ||
4921 | /* Note: we use sign extension here in order to be sure that | |
4922 | we can detect the -1 escape value. Sign extension into the | |
4923 | top 32 bits of a 32-bit address will not affect the values | |
4924 | that we display since we always show hex values, and always | |
4925 | the bottom 32-bits. */ | |
0c588247 | 4926 | SAFE_BYTE_GET_AND_INC (begin, start, pointer_size, finish); |
f6f0e17b NC |
4927 | if (start >= finish) |
4928 | break; | |
0c588247 | 4929 | SAFE_SIGNED_BYTE_GET_AND_INC (end, start, pointer_size, finish); |
01a8f077 JK |
4930 | |
4931 | printf (" %8.8lx ", offset); | |
4932 | ||
4933 | if (begin == 0 && end == 0) | |
19e6b90e | 4934 | { |
01a8f077 JK |
4935 | printf (_("<End of list>\n")); |
4936 | break; | |
19e6b90e | 4937 | } |
19e6b90e | 4938 | |
01a8f077 JK |
4939 | /* Check base address specifiers. */ |
4940 | if (begin == (dwarf_vma) -1 && end != (dwarf_vma) -1) | |
19e6b90e | 4941 | { |
01a8f077 JK |
4942 | base_address = end; |
4943 | print_dwarf_vma (begin, pointer_size); | |
4944 | print_dwarf_vma (end, pointer_size); | |
4945 | printf ("(base address)\n"); | |
4946 | continue; | |
4947 | } | |
19e6b90e | 4948 | |
01a8f077 JK |
4949 | print_dwarf_vma (begin + base_address, pointer_size); |
4950 | print_dwarf_vma (end + base_address, pointer_size); | |
4a149252 | 4951 | |
01a8f077 JK |
4952 | if (begin == end) |
4953 | fputs (_("(start == end)"), stdout); | |
4954 | else if (begin > end) | |
4955 | fputs (_("(start > end)"), stdout); | |
19e6b90e | 4956 | |
01a8f077 | 4957 | putchar ('\n'); |
19e6b90e L |
4958 | } |
4959 | } | |
4960 | putchar ('\n'); | |
01a8f077 JK |
4961 | |
4962 | free (range_entries); | |
4963 | ||
19e6b90e L |
4964 | return 1; |
4965 | } | |
4966 | ||
4967 | typedef struct Frame_Chunk | |
4968 | { | |
4969 | struct Frame_Chunk *next; | |
4970 | unsigned char *chunk_start; | |
4971 | int ncols; | |
4972 | /* DW_CFA_{undefined,same_value,offset,register,unreferenced} */ | |
4973 | short int *col_type; | |
4974 | int *col_offset; | |
4975 | char *augmentation; | |
4976 | unsigned int code_factor; | |
4977 | int data_factor; | |
bf5117e3 NC |
4978 | dwarf_vma pc_begin; |
4979 | dwarf_vma pc_range; | |
19e6b90e L |
4980 | int cfa_reg; |
4981 | int cfa_offset; | |
4982 | int ra; | |
4983 | unsigned char fde_encoding; | |
4984 | unsigned char cfa_exp; | |
604282a7 JJ |
4985 | unsigned char ptr_size; |
4986 | unsigned char segment_size; | |
19e6b90e L |
4987 | } |
4988 | Frame_Chunk; | |
4989 | ||
665ce1f6 L |
4990 | static const char *const *dwarf_regnames; |
4991 | static unsigned int dwarf_regnames_count; | |
4992 | ||
19e6b90e L |
4993 | /* A marker for a col_type that means this column was never referenced |
4994 | in the frame info. */ | |
4995 | #define DW_CFA_unreferenced (-1) | |
4996 | ||
665ce1f6 L |
4997 | /* Return 0 if not more space is needed, 1 if more space is needed, |
4998 | -1 for invalid reg. */ | |
4999 | ||
5000 | static int | |
5001 | frame_need_space (Frame_Chunk *fc, unsigned int reg) | |
19e6b90e L |
5002 | { |
5003 | int prev = fc->ncols; | |
5004 | ||
665ce1f6 L |
5005 | if (reg < (unsigned int) fc->ncols) |
5006 | return 0; | |
5007 | ||
5008 | if (dwarf_regnames_count | |
5009 | && reg > dwarf_regnames_count) | |
5010 | return -1; | |
19e6b90e L |
5011 | |
5012 | fc->ncols = reg + 1; | |
3f5e193b NC |
5013 | fc->col_type = (short int *) xcrealloc (fc->col_type, fc->ncols, |
5014 | sizeof (short int)); | |
5015 | fc->col_offset = (int *) xcrealloc (fc->col_offset, fc->ncols, sizeof (int)); | |
19e6b90e L |
5016 | |
5017 | while (prev < fc->ncols) | |
5018 | { | |
5019 | fc->col_type[prev] = DW_CFA_unreferenced; | |
5020 | fc->col_offset[prev] = 0; | |
5021 | prev++; | |
5022 | } | |
665ce1f6 | 5023 | return 1; |
19e6b90e L |
5024 | } |
5025 | ||
2dc4cec1 L |
5026 | static const char *const dwarf_regnames_i386[] = |
5027 | { | |
43234a1e L |
5028 | "eax", "ecx", "edx", "ebx", /* 0 - 3 */ |
5029 | "esp", "ebp", "esi", "edi", /* 4 - 7 */ | |
5030 | "eip", "eflags", NULL, /* 8 - 10 */ | |
5031 | "st0", "st1", "st2", "st3", /* 11 - 14 */ | |
5032 | "st4", "st5", "st6", "st7", /* 15 - 18 */ | |
5033 | NULL, NULL, /* 19 - 20 */ | |
5034 | "xmm0", "xmm1", "xmm2", "xmm3", /* 21 - 24 */ | |
5035 | "xmm4", "xmm5", "xmm6", "xmm7", /* 25 - 28 */ | |
5036 | "mm0", "mm1", "mm2", "mm3", /* 29 - 32 */ | |
5037 | "mm4", "mm5", "mm6", "mm7", /* 33 - 36 */ | |
5038 | "fcw", "fsw", "mxcsr", /* 37 - 39 */ | |
5039 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, /* 40 - 47 */ | |
5040 | "tr", "ldtr", /* 48 - 49 */ | |
5041 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 50 - 57 */ | |
5042 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 58 - 65 */ | |
5043 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 66 - 73 */ | |
5044 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 74 - 81 */ | |
5045 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 82 - 89 */ | |
5046 | NULL, NULL, NULL, /* 90 - 92 */ | |
5047 | "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" /* 93 - 100 */ | |
2dc4cec1 L |
5048 | }; |
5049 | ||
b129eb0e RH |
5050 | void |
5051 | init_dwarf_regnames_i386 (void) | |
5052 | { | |
5053 | dwarf_regnames = dwarf_regnames_i386; | |
5054 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_i386); | |
5055 | } | |
5056 | ||
2dc4cec1 L |
5057 | static const char *const dwarf_regnames_x86_64[] = |
5058 | { | |
5059 | "rax", "rdx", "rcx", "rbx", | |
5060 | "rsi", "rdi", "rbp", "rsp", | |
5061 | "r8", "r9", "r10", "r11", | |
5062 | "r12", "r13", "r14", "r15", | |
5063 | "rip", | |
5064 | "xmm0", "xmm1", "xmm2", "xmm3", | |
5065 | "xmm4", "xmm5", "xmm6", "xmm7", | |
5066 | "xmm8", "xmm9", "xmm10", "xmm11", | |
5067 | "xmm12", "xmm13", "xmm14", "xmm15", | |
5068 | "st0", "st1", "st2", "st3", | |
5069 | "st4", "st5", "st6", "st7", | |
5070 | "mm0", "mm1", "mm2", "mm3", | |
5071 | "mm4", "mm5", "mm6", "mm7", | |
5072 | "rflags", | |
5073 | "es", "cs", "ss", "ds", "fs", "gs", NULL, NULL, | |
5074 | "fs.base", "gs.base", NULL, NULL, | |
5075 | "tr", "ldtr", | |
43234a1e L |
5076 | "mxcsr", "fcw", "fsw", |
5077 | "xmm16", "xmm17", "xmm18", "xmm19", | |
5078 | "xmm20", "xmm21", "xmm22", "xmm23", | |
5079 | "xmm24", "xmm25", "xmm26", "xmm27", | |
5080 | "xmm28", "xmm29", "xmm30", "xmm31", | |
5081 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 83 - 90 */ | |
5082 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 91 - 98 */ | |
5083 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 99 - 106 */ | |
5084 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* 107 - 114 */ | |
5085 | NULL, NULL, NULL, /* 115 - 117 */ | |
5086 | "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7" | |
2dc4cec1 L |
5087 | }; |
5088 | ||
b129eb0e RH |
5089 | void |
5090 | init_dwarf_regnames_x86_64 (void) | |
5091 | { | |
5092 | dwarf_regnames = dwarf_regnames_x86_64; | |
5093 | dwarf_regnames_count = ARRAY_SIZE (dwarf_regnames_x86_64); | |
5094 | } | |
5095 | ||
2dc4cec1 L |
5096 | void |
5097 | init_dwarf_regnames (unsigned int e_machine) | |
5098 | { | |
5099 | switch (e_machine) | |
5100 | { | |
5101 | case EM_386: | |
5102 | case EM_486: | |
b129eb0e | 5103 | init_dwarf_regnames_i386 (); |
2dc4cec1 L |
5104 | break; |
5105 | ||
5106 | case EM_X86_64: | |
7f502d6c | 5107 | case EM_L1OM: |
7a9068fe | 5108 | case EM_K1OM: |
b129eb0e | 5109 | init_dwarf_regnames_x86_64 (); |
2dc4cec1 L |
5110 | break; |
5111 | ||
5112 | default: | |
5113 | break; | |
5114 | } | |
5115 | } | |
5116 | ||
5117 | static const char * | |
5118 | regname (unsigned int regno, int row) | |
5119 | { | |
5120 | static char reg[64]; | |
5121 | if (dwarf_regnames | |
5122 | && regno < dwarf_regnames_count | |
5123 | && dwarf_regnames [regno] != NULL) | |
5124 | { | |
5125 | if (row) | |
5126 | return dwarf_regnames [regno]; | |
5127 | snprintf (reg, sizeof (reg), "r%d (%s)", regno, | |
5128 | dwarf_regnames [regno]); | |
5129 | } | |
5130 | else | |
5131 | snprintf (reg, sizeof (reg), "r%d", regno); | |
5132 | return reg; | |
5133 | } | |
5134 | ||
19e6b90e L |
5135 | static void |
5136 | frame_display_row (Frame_Chunk *fc, int *need_col_headers, int *max_regs) | |
5137 | { | |
5138 | int r; | |
5139 | char tmp[100]; | |
5140 | ||
5141 | if (*max_regs < fc->ncols) | |
5142 | *max_regs = fc->ncols; | |
5143 | ||
5144 | if (*need_col_headers) | |
5145 | { | |
91d6fa6a | 5146 | static const char *sloc = " LOC"; |
2dc4cec1 | 5147 | |
19e6b90e L |
5148 | *need_col_headers = 0; |
5149 | ||
91d6fa6a | 5150 | printf ("%-*s CFA ", eh_addr_size * 2, sloc); |
19e6b90e L |
5151 | |
5152 | for (r = 0; r < *max_regs; r++) | |
5153 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
5154 | { | |
5155 | if (r == fc->ra) | |
2dc4cec1 | 5156 | printf ("ra "); |
19e6b90e | 5157 | else |
2dc4cec1 | 5158 | printf ("%-5s ", regname (r, 1)); |
19e6b90e L |
5159 | } |
5160 | ||
5161 | printf ("\n"); | |
5162 | } | |
5163 | ||
bf5117e3 | 5164 | print_dwarf_vma (fc->pc_begin, eh_addr_size); |
19e6b90e L |
5165 | if (fc->cfa_exp) |
5166 | strcpy (tmp, "exp"); | |
5167 | else | |
2dc4cec1 | 5168 | sprintf (tmp, "%s%+d", regname (fc->cfa_reg, 1), fc->cfa_offset); |
19e6b90e L |
5169 | printf ("%-8s ", tmp); |
5170 | ||
5171 | for (r = 0; r < fc->ncols; r++) | |
5172 | { | |
5173 | if (fc->col_type[r] != DW_CFA_unreferenced) | |
5174 | { | |
5175 | switch (fc->col_type[r]) | |
5176 | { | |
5177 | case DW_CFA_undefined: | |
5178 | strcpy (tmp, "u"); | |
5179 | break; | |
5180 | case DW_CFA_same_value: | |
5181 | strcpy (tmp, "s"); | |
5182 | break; | |
5183 | case DW_CFA_offset: | |
5184 | sprintf (tmp, "c%+d", fc->col_offset[r]); | |
5185 | break; | |
12eae2d3 JJ |
5186 | case DW_CFA_val_offset: |
5187 | sprintf (tmp, "v%+d", fc->col_offset[r]); | |
5188 | break; | |
19e6b90e | 5189 | case DW_CFA_register: |
2dc4cec1 | 5190 | sprintf (tmp, "%s", regname (fc->col_offset[r], 0)); |
19e6b90e L |
5191 | break; |
5192 | case DW_CFA_expression: | |
5193 | strcpy (tmp, "exp"); | |
5194 | break; | |
12eae2d3 JJ |
5195 | case DW_CFA_val_expression: |
5196 | strcpy (tmp, "vexp"); | |
5197 | break; | |
19e6b90e L |
5198 | default: |
5199 | strcpy (tmp, "n/a"); | |
5200 | break; | |
5201 | } | |
2dc4cec1 | 5202 | printf ("%-5s ", tmp); |
19e6b90e L |
5203 | } |
5204 | } | |
5205 | printf ("\n"); | |
5206 | } | |
5207 | ||
0c588247 | 5208 | #define GET(VAR, N) SAFE_BYTE_GET_AND_INC (VAR, start, N, end); |
f6f0e17b NC |
5209 | #define LEB() read_uleb128 (start, & length_return, end); start += length_return |
5210 | #define SLEB() read_sleb128 (start, & length_return, end); start += length_return | |
19e6b90e L |
5211 | |
5212 | static int | |
5213 | display_debug_frames (struct dwarf_section *section, | |
5214 | void *file ATTRIBUTE_UNUSED) | |
5215 | { | |
5216 | unsigned char *start = section->start; | |
5217 | unsigned char *end = start + section->size; | |
5218 | unsigned char *section_start = start; | |
5219 | Frame_Chunk *chunks = 0; | |
5220 | Frame_Chunk *remembered_state = 0; | |
5221 | Frame_Chunk *rs; | |
5222 | int is_eh = strcmp (section->name, ".eh_frame") == 0; | |
5223 | unsigned int length_return; | |
5224 | int max_regs = 0; | |
665ce1f6 | 5225 | const char *bad_reg = _("bad register: "); |
604282a7 | 5226 | int saved_eh_addr_size = eh_addr_size; |
19e6b90e | 5227 | |
80c35038 | 5228 | printf (_("Contents of the %s section:\n"), section->name); |
19e6b90e L |
5229 | |
5230 | while (start < end) | |
5231 | { | |
5232 | unsigned char *saved_start; | |
5233 | unsigned char *block_end; | |
bf5117e3 NC |
5234 | dwarf_vma length; |
5235 | dwarf_vma cie_id; | |
19e6b90e L |
5236 | Frame_Chunk *fc; |
5237 | Frame_Chunk *cie; | |
5238 | int need_col_headers = 1; | |
5239 | unsigned char *augmentation_data = NULL; | |
5240 | unsigned long augmentation_data_len = 0; | |
bf5117e3 NC |
5241 | unsigned int encoded_ptr_size = saved_eh_addr_size; |
5242 | unsigned int offset_size; | |
5243 | unsigned int initial_length_size; | |
19e6b90e L |
5244 | |
5245 | saved_start = start; | |
19e6b90e | 5246 | |
0c588247 | 5247 | SAFE_BYTE_GET_AND_INC (length, start, 4, end); |
19e6b90e L |
5248 | if (length == 0) |
5249 | { | |
5250 | printf ("\n%08lx ZERO terminator\n\n", | |
5251 | (unsigned long)(saved_start - section_start)); | |
b758e50f | 5252 | continue; |
19e6b90e L |
5253 | } |
5254 | ||
5255 | if (length == 0xffffffff) | |
5256 | { | |
0c588247 | 5257 | SAFE_BYTE_GET_AND_INC (length, start, 8, end); |
19e6b90e L |
5258 | offset_size = 8; |
5259 | initial_length_size = 12; | |
5260 | } | |
5261 | else | |
5262 | { | |
5263 | offset_size = 4; | |
5264 | initial_length_size = 4; | |
5265 | } | |
5266 | ||
5267 | block_end = saved_start + length + initial_length_size; | |
53b8873b NC |
5268 | if (block_end > end) |
5269 | { | |
bf5117e3 NC |
5270 | warn ("Invalid length 0x%s in FDE at %#08lx\n", |
5271 | dwarf_vmatoa_1 (NULL, length, offset_size), | |
5272 | (unsigned long) (saved_start - section_start)); | |
53b8873b NC |
5273 | block_end = end; |
5274 | } | |
0c588247 NC |
5275 | |
5276 | SAFE_BYTE_GET_AND_INC (cie_id, start, offset_size, end); | |
19e6b90e | 5277 | |
846a11e4 NC |
5278 | if (is_eh ? (cie_id == 0) : ((offset_size == 4 && cie_id == DW_CIE_ID) |
5279 | || (offset_size == 8 && cie_id == DW64_CIE_ID))) | |
19e6b90e L |
5280 | { |
5281 | int version; | |
5282 | ||
3f5e193b | 5283 | fc = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
19e6b90e L |
5284 | memset (fc, 0, sizeof (Frame_Chunk)); |
5285 | ||
5286 | fc->next = chunks; | |
5287 | chunks = fc; | |
5288 | fc->chunk_start = saved_start; | |
5289 | fc->ncols = 0; | |
3f5e193b NC |
5290 | fc->col_type = (short int *) xmalloc (sizeof (short int)); |
5291 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
cc86f28f | 5292 | frame_need_space (fc, max_regs - 1); |
19e6b90e L |
5293 | |
5294 | version = *start++; | |
5295 | ||
5296 | fc->augmentation = (char *) start; | |
5297 | start = (unsigned char *) strchr ((char *) start, '\0') + 1; | |
5298 | ||
604282a7 JJ |
5299 | if (strcmp (fc->augmentation, "eh") == 0) |
5300 | start += eh_addr_size; | |
5301 | ||
5302 | if (version >= 4) | |
19e6b90e | 5303 | { |
0c588247 NC |
5304 | GET (fc->ptr_size, 1); |
5305 | GET (fc->segment_size, 1); | |
604282a7 | 5306 | eh_addr_size = fc->ptr_size; |
19e6b90e | 5307 | } |
604282a7 | 5308 | else |
19e6b90e | 5309 | { |
604282a7 JJ |
5310 | fc->ptr_size = eh_addr_size; |
5311 | fc->segment_size = 0; | |
5312 | } | |
5313 | fc->code_factor = LEB (); | |
5314 | fc->data_factor = SLEB (); | |
5315 | if (version == 1) | |
5316 | { | |
0c588247 | 5317 | GET (fc->ra, 1); |
19e6b90e L |
5318 | } |
5319 | else | |
5320 | { | |
604282a7 JJ |
5321 | fc->ra = LEB (); |
5322 | } | |
5323 | ||
5324 | if (fc->augmentation[0] == 'z') | |
5325 | { | |
5326 | augmentation_data_len = LEB (); | |
5327 | augmentation_data = start; | |
5328 | start += augmentation_data_len; | |
19e6b90e L |
5329 | } |
5330 | cie = fc; | |
5331 | ||
bf5117e3 NC |
5332 | printf ("\n%08lx ", (unsigned long) (saved_start - section_start)); |
5333 | print_dwarf_vma (length, fc->ptr_size); | |
9c41109d | 5334 | print_dwarf_vma (cie_id, offset_size); |
bf5117e3 | 5335 | |
19e6b90e | 5336 | if (do_debug_frames_interp) |
bf5117e3 NC |
5337 | { |
5338 | printf ("CIE \"%s\" cf=%d df=%d ra=%d\n", fc->augmentation, | |
5339 | fc->code_factor, fc->data_factor, fc->ra); | |
5340 | } | |
19e6b90e L |
5341 | else |
5342 | { | |
bf5117e3 | 5343 | printf ("CIE\n"); |
19e6b90e L |
5344 | printf (" Version: %d\n", version); |
5345 | printf (" Augmentation: \"%s\"\n", fc->augmentation); | |
604282a7 JJ |
5346 | if (version >= 4) |
5347 | { | |
5348 | printf (" Pointer Size: %u\n", fc->ptr_size); | |
5349 | printf (" Segment Size: %u\n", fc->segment_size); | |
5350 | } | |
19e6b90e L |
5351 | printf (" Code alignment factor: %u\n", fc->code_factor); |
5352 | printf (" Data alignment factor: %d\n", fc->data_factor); | |
5353 | printf (" Return address column: %d\n", fc->ra); | |
5354 | ||
5355 | if (augmentation_data_len) | |
5356 | { | |
5357 | unsigned long i; | |
5358 | printf (" Augmentation data: "); | |
5359 | for (i = 0; i < augmentation_data_len; ++i) | |
5360 | printf (" %02x", augmentation_data[i]); | |
5361 | putchar ('\n'); | |
5362 | } | |
5363 | putchar ('\n'); | |
5364 | } | |
5365 | ||
5366 | if (augmentation_data_len) | |
5367 | { | |
5368 | unsigned char *p, *q; | |
5369 | p = (unsigned char *) fc->augmentation + 1; | |
5370 | q = augmentation_data; | |
5371 | ||
5372 | while (1) | |
5373 | { | |
5374 | if (*p == 'L') | |
5375 | q++; | |
5376 | else if (*p == 'P') | |
5377 | q += 1 + size_of_encoded_value (*q); | |
5378 | else if (*p == 'R') | |
5379 | fc->fde_encoding = *q++; | |
d80e8de2 JB |
5380 | else if (*p == 'S') |
5381 | ; | |
19e6b90e L |
5382 | else |
5383 | break; | |
5384 | p++; | |
5385 | } | |
5386 | ||
5387 | if (fc->fde_encoding) | |
5388 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
5389 | } | |
5390 | ||
5391 | frame_need_space (fc, fc->ra); | |
5392 | } | |
5393 | else | |
5394 | { | |
5395 | unsigned char *look_for; | |
5396 | static Frame_Chunk fde_fc; | |
604282a7 | 5397 | unsigned long segment_selector; |
19e6b90e L |
5398 | |
5399 | fc = & fde_fc; | |
5400 | memset (fc, 0, sizeof (Frame_Chunk)); | |
5401 | ||
5402 | look_for = is_eh ? start - 4 - cie_id : section_start + cie_id; | |
5403 | ||
5404 | for (cie = chunks; cie ; cie = cie->next) | |
5405 | if (cie->chunk_start == look_for) | |
5406 | break; | |
5407 | ||
5408 | if (!cie) | |
5409 | { | |
bf5117e3 NC |
5410 | warn ("Invalid CIE pointer 0x%s in FDE at %#08lx\n", |
5411 | dwarf_vmatoa_1 (NULL, cie_id, offset_size), | |
5412 | (unsigned long) (saved_start - section_start)); | |
19e6b90e | 5413 | fc->ncols = 0; |
3f5e193b NC |
5414 | fc->col_type = (short int *) xmalloc (sizeof (short int)); |
5415 | fc->col_offset = (int *) xmalloc (sizeof (int)); | |
19e6b90e L |
5416 | frame_need_space (fc, max_regs - 1); |
5417 | cie = fc; | |
5418 | fc->augmentation = ""; | |
5419 | fc->fde_encoding = 0; | |
604282a7 JJ |
5420 | fc->ptr_size = eh_addr_size; |
5421 | fc->segment_size = 0; | |
19e6b90e L |
5422 | } |
5423 | else | |
5424 | { | |
5425 | fc->ncols = cie->ncols; | |
3f5e193b NC |
5426 | fc->col_type = (short int *) xcmalloc (fc->ncols, sizeof (short int)); |
5427 | fc->col_offset = (int *) xcmalloc (fc->ncols, sizeof (int)); | |
19e6b90e L |
5428 | memcpy (fc->col_type, cie->col_type, fc->ncols * sizeof (short int)); |
5429 | memcpy (fc->col_offset, cie->col_offset, fc->ncols * sizeof (int)); | |
5430 | fc->augmentation = cie->augmentation; | |
604282a7 JJ |
5431 | fc->ptr_size = cie->ptr_size; |
5432 | eh_addr_size = cie->ptr_size; | |
5433 | fc->segment_size = cie->segment_size; | |
19e6b90e L |
5434 | fc->code_factor = cie->code_factor; |
5435 | fc->data_factor = cie->data_factor; | |
5436 | fc->cfa_reg = cie->cfa_reg; | |
5437 | fc->cfa_offset = cie->cfa_offset; | |
5438 | fc->ra = cie->ra; | |
cc86f28f | 5439 | frame_need_space (fc, max_regs - 1); |
19e6b90e L |
5440 | fc->fde_encoding = cie->fde_encoding; |
5441 | } | |
5442 | ||
5443 | if (fc->fde_encoding) | |
5444 | encoded_ptr_size = size_of_encoded_value (fc->fde_encoding); | |
5445 | ||
604282a7 JJ |
5446 | segment_selector = 0; |
5447 | if (fc->segment_size) | |
5448 | { | |
0c588247 | 5449 | SAFE_BYTE_GET_AND_INC (segment_selector, start, fc->segment_size, end); |
604282a7 | 5450 | } |
bad62cf5 | 5451 | fc->pc_begin = get_encoded_value (start, fc->fde_encoding, section); |
19e6b90e | 5452 | start += encoded_ptr_size; |
19e6b90e | 5453 | |
0c588247 NC |
5454 | /* FIXME: It appears that sometimes the final pc_range value is |
5455 | encoded in less than encoded_ptr_size bytes. See the x86_64 | |
5456 | run of the "objcopy on compressed debug sections" test for an | |
5457 | example of this. */ | |
5458 | SAFE_BYTE_GET_AND_INC (fc->pc_range, start, encoded_ptr_size, end); | |
bf5117e3 | 5459 | |
19e6b90e L |
5460 | if (cie->augmentation[0] == 'z') |
5461 | { | |
5462 | augmentation_data_len = LEB (); | |
5463 | augmentation_data = start; | |
5464 | start += augmentation_data_len; | |
5465 | } | |
5466 | ||
bf5117e3 NC |
5467 | printf ("\n%08lx %s %s FDE cie=%08lx pc=", |
5468 | (unsigned long)(saved_start - section_start), | |
5469 | dwarf_vmatoa_1 (NULL, length, fc->ptr_size), | |
9c41109d | 5470 | dwarf_vmatoa_1 (NULL, cie_id, offset_size), |
604282a7 | 5471 | (unsigned long)(cie->chunk_start - section_start)); |
bf5117e3 | 5472 | |
604282a7 JJ |
5473 | if (fc->segment_size) |
5474 | printf ("%04lx:", segment_selector); | |
bf5117e3 NC |
5475 | |
5476 | printf ("%s..%s\n", | |
5477 | dwarf_vmatoa_1 (NULL, fc->pc_begin, fc->ptr_size), | |
5478 | dwarf_vmatoa_1 (NULL, fc->pc_begin + fc->pc_range, fc->ptr_size)); | |
5479 | ||
19e6b90e L |
5480 | if (! do_debug_frames_interp && augmentation_data_len) |
5481 | { | |
5482 | unsigned long i; | |
5483 | ||
5484 | printf (" Augmentation data: "); | |
5485 | for (i = 0; i < augmentation_data_len; ++i) | |
5486 | printf (" %02x", augmentation_data[i]); | |
5487 | putchar ('\n'); | |
5488 | putchar ('\n'); | |
5489 | } | |
5490 | } | |
5491 | ||
5492 | /* At this point, fc is the current chunk, cie (if any) is set, and | |
5493 | we're about to interpret instructions for the chunk. */ | |
5494 | /* ??? At present we need to do this always, since this sizes the | |
5495 | fc->col_type and fc->col_offset arrays, which we write into always. | |
5496 | We should probably split the interpreted and non-interpreted bits | |
5497 | into two different routines, since there's so much that doesn't | |
5498 | really overlap between them. */ | |
5499 | if (1 || do_debug_frames_interp) | |
5500 | { | |
5501 | /* Start by making a pass over the chunk, allocating storage | |
5502 | and taking note of what registers are used. */ | |
5503 | unsigned char *tmp = start; | |
5504 | ||
5505 | while (start < block_end) | |
5506 | { | |
5507 | unsigned op, opa; | |
91d6fa6a | 5508 | unsigned long reg, temp; |
19e6b90e L |
5509 | |
5510 | op = *start++; | |
5511 | opa = op & 0x3f; | |
5512 | if (op & 0xc0) | |
5513 | op &= 0xc0; | |
5514 | ||
5515 | /* Warning: if you add any more cases to this switch, be | |
5516 | sure to add them to the corresponding switch below. */ | |
5517 | switch (op) | |
5518 | { | |
5519 | case DW_CFA_advance_loc: | |
5520 | break; | |
5521 | case DW_CFA_offset: | |
5522 | LEB (); | |
665ce1f6 L |
5523 | if (frame_need_space (fc, opa) >= 0) |
5524 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
5525 | break; |
5526 | case DW_CFA_restore: | |
665ce1f6 L |
5527 | if (frame_need_space (fc, opa) >= 0) |
5528 | fc->col_type[opa] = DW_CFA_undefined; | |
19e6b90e L |
5529 | break; |
5530 | case DW_CFA_set_loc: | |
5531 | start += encoded_ptr_size; | |
5532 | break; | |
5533 | case DW_CFA_advance_loc1: | |
5534 | start += 1; | |
5535 | break; | |
5536 | case DW_CFA_advance_loc2: | |
5537 | start += 2; | |
5538 | break; | |
5539 | case DW_CFA_advance_loc4: | |
5540 | start += 4; | |
5541 | break; | |
5542 | case DW_CFA_offset_extended: | |
12eae2d3 | 5543 | case DW_CFA_val_offset: |
19e6b90e | 5544 | reg = LEB (); LEB (); |
665ce1f6 L |
5545 | if (frame_need_space (fc, reg) >= 0) |
5546 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
5547 | break; |
5548 | case DW_CFA_restore_extended: | |
5549 | reg = LEB (); | |
5550 | frame_need_space (fc, reg); | |
665ce1f6 L |
5551 | if (frame_need_space (fc, reg) >= 0) |
5552 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
5553 | break; |
5554 | case DW_CFA_undefined: | |
5555 | reg = LEB (); | |
665ce1f6 L |
5556 | if (frame_need_space (fc, reg) >= 0) |
5557 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
5558 | break; |
5559 | case DW_CFA_same_value: | |
5560 | reg = LEB (); | |
665ce1f6 L |
5561 | if (frame_need_space (fc, reg) >= 0) |
5562 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
5563 | break; |
5564 | case DW_CFA_register: | |
5565 | reg = LEB (); LEB (); | |
665ce1f6 L |
5566 | if (frame_need_space (fc, reg) >= 0) |
5567 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
5568 | break; |
5569 | case DW_CFA_def_cfa: | |
5570 | LEB (); LEB (); | |
5571 | break; | |
5572 | case DW_CFA_def_cfa_register: | |
5573 | LEB (); | |
5574 | break; | |
5575 | case DW_CFA_def_cfa_offset: | |
5576 | LEB (); | |
5577 | break; | |
5578 | case DW_CFA_def_cfa_expression: | |
91d6fa6a NC |
5579 | temp = LEB (); |
5580 | start += temp; | |
19e6b90e L |
5581 | break; |
5582 | case DW_CFA_expression: | |
12eae2d3 | 5583 | case DW_CFA_val_expression: |
19e6b90e | 5584 | reg = LEB (); |
91d6fa6a NC |
5585 | temp = LEB (); |
5586 | start += temp; | |
665ce1f6 L |
5587 | if (frame_need_space (fc, reg) >= 0) |
5588 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
5589 | break; |
5590 | case DW_CFA_offset_extended_sf: | |
12eae2d3 | 5591 | case DW_CFA_val_offset_sf: |
19e6b90e | 5592 | reg = LEB (); SLEB (); |
665ce1f6 L |
5593 | if (frame_need_space (fc, reg) >= 0) |
5594 | fc->col_type[reg] = DW_CFA_undefined; | |
19e6b90e L |
5595 | break; |
5596 | case DW_CFA_def_cfa_sf: | |
5597 | LEB (); SLEB (); | |
5598 | break; | |
5599 | case DW_CFA_def_cfa_offset_sf: | |
5600 | SLEB (); | |
5601 | break; | |
5602 | case DW_CFA_MIPS_advance_loc8: | |
5603 | start += 8; | |
5604 | break; | |
5605 | case DW_CFA_GNU_args_size: | |
5606 | LEB (); | |
5607 | break; | |
5608 | case DW_CFA_GNU_negative_offset_extended: | |
5609 | reg = LEB (); LEB (); | |
665ce1f6 L |
5610 | if (frame_need_space (fc, reg) >= 0) |
5611 | fc->col_type[reg] = DW_CFA_undefined; | |
5612 | break; | |
19e6b90e L |
5613 | default: |
5614 | break; | |
5615 | } | |
5616 | } | |
5617 | start = tmp; | |
5618 | } | |
5619 | ||
5620 | /* Now we know what registers are used, make a second pass over | |
5621 | the chunk, this time actually printing out the info. */ | |
5622 | ||
5623 | while (start < block_end) | |
5624 | { | |
5625 | unsigned op, opa; | |
5626 | unsigned long ul, reg, roffs; | |
bf5117e3 NC |
5627 | long l; |
5628 | dwarf_vma ofs; | |
19e6b90e | 5629 | dwarf_vma vma; |
665ce1f6 | 5630 | const char *reg_prefix = ""; |
19e6b90e L |
5631 | |
5632 | op = *start++; | |
5633 | opa = op & 0x3f; | |
5634 | if (op & 0xc0) | |
5635 | op &= 0xc0; | |
5636 | ||
5637 | /* Warning: if you add any more cases to this switch, be | |
5638 | sure to add them to the corresponding switch above. */ | |
5639 | switch (op) | |
5640 | { | |
5641 | case DW_CFA_advance_loc: | |
5642 | if (do_debug_frames_interp) | |
5643 | frame_display_row (fc, &need_col_headers, &max_regs); | |
5644 | else | |
bf5117e3 | 5645 | printf (" DW_CFA_advance_loc: %d to %s\n", |
19e6b90e | 5646 | opa * fc->code_factor, |
bf5117e3 NC |
5647 | dwarf_vmatoa_1 (NULL, |
5648 | fc->pc_begin + opa * fc->code_factor, | |
5649 | fc->ptr_size)); | |
19e6b90e L |
5650 | fc->pc_begin += opa * fc->code_factor; |
5651 | break; | |
5652 | ||
5653 | case DW_CFA_offset: | |
5654 | roffs = LEB (); | |
665ce1f6 L |
5655 | if (opa >= (unsigned int) fc->ncols) |
5656 | reg_prefix = bad_reg; | |
5657 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
5658 | printf (" DW_CFA_offset: %s%s at cfa%+ld\n", | |
5659 | reg_prefix, regname (opa, 0), | |
5660 | roffs * fc->data_factor); | |
5661 | if (*reg_prefix == '\0') | |
5662 | { | |
5663 | fc->col_type[opa] = DW_CFA_offset; | |
5664 | fc->col_offset[opa] = roffs * fc->data_factor; | |
5665 | } | |
19e6b90e L |
5666 | break; |
5667 | ||
5668 | case DW_CFA_restore: | |
665ce1f6 L |
5669 | if (opa >= (unsigned int) cie->ncols |
5670 | || opa >= (unsigned int) fc->ncols) | |
5671 | reg_prefix = bad_reg; | |
5672 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
5673 | printf (" DW_CFA_restore: %s%s\n", | |
5674 | reg_prefix, regname (opa, 0)); | |
5675 | if (*reg_prefix == '\0') | |
5676 | { | |
5677 | fc->col_type[opa] = cie->col_type[opa]; | |
5678 | fc->col_offset[opa] = cie->col_offset[opa]; | |
b3f5b73b ILT |
5679 | if (do_debug_frames_interp |
5680 | && fc->col_type[opa] == DW_CFA_unreferenced) | |
5681 | fc->col_type[opa] = DW_CFA_undefined; | |
665ce1f6 | 5682 | } |
19e6b90e L |
5683 | break; |
5684 | ||
5685 | case DW_CFA_set_loc: | |
bad62cf5 | 5686 | vma = get_encoded_value (start, fc->fde_encoding, section); |
19e6b90e L |
5687 | start += encoded_ptr_size; |
5688 | if (do_debug_frames_interp) | |
5689 | frame_display_row (fc, &need_col_headers, &max_regs); | |
5690 | else | |
bf5117e3 NC |
5691 | printf (" DW_CFA_set_loc: %s\n", |
5692 | dwarf_vmatoa_1 (NULL, vma, fc->ptr_size)); | |
19e6b90e L |
5693 | fc->pc_begin = vma; |
5694 | break; | |
5695 | ||
5696 | case DW_CFA_advance_loc1: | |
0c588247 | 5697 | SAFE_BYTE_GET_AND_INC (ofs, start, 1, end); |
19e6b90e L |
5698 | if (do_debug_frames_interp) |
5699 | frame_display_row (fc, &need_col_headers, &max_regs); | |
5700 | else | |
bf5117e3 NC |
5701 | printf (" DW_CFA_advance_loc1: %ld to %s\n", |
5702 | (unsigned long) (ofs * fc->code_factor), | |
5703 | dwarf_vmatoa_1 (NULL, | |
5704 | fc->pc_begin + ofs * fc->code_factor, | |
5705 | fc->ptr_size)); | |
19e6b90e L |
5706 | fc->pc_begin += ofs * fc->code_factor; |
5707 | break; | |
5708 | ||
5709 | case DW_CFA_advance_loc2: | |
0c588247 | 5710 | SAFE_BYTE_GET_AND_INC (ofs, start, 2, end); |
19e6b90e L |
5711 | if (do_debug_frames_interp) |
5712 | frame_display_row (fc, &need_col_headers, &max_regs); | |
5713 | else | |
bf5117e3 NC |
5714 | printf (" DW_CFA_advance_loc2: %ld to %s\n", |
5715 | (unsigned long) (ofs * fc->code_factor), | |
5716 | dwarf_vmatoa_1 (NULL, | |
5717 | fc->pc_begin + ofs * fc->code_factor, | |
5718 | fc->ptr_size)); | |
19e6b90e L |
5719 | fc->pc_begin += ofs * fc->code_factor; |
5720 | break; | |
5721 | ||
5722 | case DW_CFA_advance_loc4: | |
0c588247 | 5723 | SAFE_BYTE_GET_AND_INC (ofs, start, 4, end); |
19e6b90e L |
5724 | if (do_debug_frames_interp) |
5725 | frame_display_row (fc, &need_col_headers, &max_regs); | |
5726 | else | |
bf5117e3 NC |
5727 | printf (" DW_CFA_advance_loc4: %ld to %s\n", |
5728 | (unsigned long) (ofs * fc->code_factor), | |
5729 | dwarf_vmatoa_1 (NULL, | |
5730 | fc->pc_begin + ofs * fc->code_factor, | |
5731 | fc->ptr_size)); | |
19e6b90e L |
5732 | fc->pc_begin += ofs * fc->code_factor; |
5733 | break; | |
5734 | ||
5735 | case DW_CFA_offset_extended: | |
5736 | reg = LEB (); | |
5737 | roffs = LEB (); | |
665ce1f6 L |
5738 | if (reg >= (unsigned int) fc->ncols) |
5739 | reg_prefix = bad_reg; | |
5740 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
5741 | printf (" DW_CFA_offset_extended: %s%s at cfa%+ld\n", | |
5742 | reg_prefix, regname (reg, 0), | |
5743 | roffs * fc->data_factor); | |
5744 | if (*reg_prefix == '\0') | |
5745 | { | |
5746 | fc->col_type[reg] = DW_CFA_offset; | |
5747 | fc->col_offset[reg] = roffs * fc->data_factor; | |
5748 | } | |
19e6b90e L |
5749 | break; |
5750 | ||
12eae2d3 JJ |
5751 | case DW_CFA_val_offset: |
5752 | reg = LEB (); | |
5753 | roffs = LEB (); | |
665ce1f6 L |
5754 | if (reg >= (unsigned int) fc->ncols) |
5755 | reg_prefix = bad_reg; | |
5756 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
5757 | printf (" DW_CFA_val_offset: %s%s at cfa%+ld\n", | |
5758 | reg_prefix, regname (reg, 0), | |
5759 | roffs * fc->data_factor); | |
5760 | if (*reg_prefix == '\0') | |
5761 | { | |
5762 | fc->col_type[reg] = DW_CFA_val_offset; | |
5763 | fc->col_offset[reg] = roffs * fc->data_factor; | |
5764 | } | |
12eae2d3 JJ |
5765 | break; |
5766 | ||
19e6b90e L |
5767 | case DW_CFA_restore_extended: |
5768 | reg = LEB (); | |
665ce1f6 L |
5769 | if (reg >= (unsigned int) cie->ncols |
5770 | || reg >= (unsigned int) fc->ncols) | |
5771 | reg_prefix = bad_reg; | |
5772 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
5773 | printf (" DW_CFA_restore_extended: %s%s\n", | |
5774 | reg_prefix, regname (reg, 0)); | |
5775 | if (*reg_prefix == '\0') | |
5776 | { | |
5777 | fc->col_type[reg] = cie->col_type[reg]; | |
5778 | fc->col_offset[reg] = cie->col_offset[reg]; | |
5779 | } | |
19e6b90e L |
5780 | break; |
5781 | ||
5782 | case DW_CFA_undefined: | |
5783 | reg = LEB (); | |
665ce1f6 L |
5784 | if (reg >= (unsigned int) fc->ncols) |
5785 | reg_prefix = bad_reg; | |
5786 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
5787 | printf (" DW_CFA_undefined: %s%s\n", | |
5788 | reg_prefix, regname (reg, 0)); | |
5789 | if (*reg_prefix == '\0') | |
5790 | { | |
5791 | fc->col_type[reg] = DW_CFA_undefined; | |
5792 | fc->col_offset[reg] = 0; | |
5793 | } | |
19e6b90e L |
5794 | break; |
5795 | ||
5796 | case DW_CFA_same_value: | |
5797 | reg = LEB (); | |
665ce1f6 L |
5798 | if (reg >= (unsigned int) fc->ncols) |
5799 | reg_prefix = bad_reg; | |
5800 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
5801 | printf (" DW_CFA_same_value: %s%s\n", | |
5802 | reg_prefix, regname (reg, 0)); | |
5803 | if (*reg_prefix == '\0') | |
5804 | { | |
5805 | fc->col_type[reg] = DW_CFA_same_value; | |
5806 | fc->col_offset[reg] = 0; | |
5807 | } | |
19e6b90e L |
5808 | break; |
5809 | ||
5810 | case DW_CFA_register: | |
5811 | reg = LEB (); | |
5812 | roffs = LEB (); | |
665ce1f6 L |
5813 | if (reg >= (unsigned int) fc->ncols) |
5814 | reg_prefix = bad_reg; | |
5815 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
2dc4cec1 | 5816 | { |
665ce1f6 L |
5817 | printf (" DW_CFA_register: %s%s in ", |
5818 | reg_prefix, regname (reg, 0)); | |
2dc4cec1 L |
5819 | puts (regname (roffs, 0)); |
5820 | } | |
665ce1f6 L |
5821 | if (*reg_prefix == '\0') |
5822 | { | |
5823 | fc->col_type[reg] = DW_CFA_register; | |
5824 | fc->col_offset[reg] = roffs; | |
5825 | } | |
19e6b90e L |
5826 | break; |
5827 | ||
5828 | case DW_CFA_remember_state: | |
5829 | if (! do_debug_frames_interp) | |
5830 | printf (" DW_CFA_remember_state\n"); | |
3f5e193b | 5831 | rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk)); |
d71ad7fc RC |
5832 | rs->cfa_offset = fc->cfa_offset; |
5833 | rs->cfa_reg = fc->cfa_reg; | |
5834 | rs->ra = fc->ra; | |
5835 | rs->cfa_exp = fc->cfa_exp; | |
19e6b90e | 5836 | rs->ncols = fc->ncols; |
3f5e193b | 5837 | rs->col_type = (short int *) xcmalloc (rs->ncols, |
d71ad7fc RC |
5838 | sizeof (* rs->col_type)); |
5839 | rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (* rs->col_offset)); | |
5840 | memcpy (rs->col_type, fc->col_type, rs->ncols * sizeof (* fc->col_type)); | |
5841 | memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (* fc->col_offset)); | |
19e6b90e L |
5842 | rs->next = remembered_state; |
5843 | remembered_state = rs; | |
5844 | break; | |
5845 | ||
5846 | case DW_CFA_restore_state: | |
5847 | if (! do_debug_frames_interp) | |
5848 | printf (" DW_CFA_restore_state\n"); | |
5849 | rs = remembered_state; | |
5850 | if (rs) | |
5851 | { | |
5852 | remembered_state = rs->next; | |
d71ad7fc RC |
5853 | fc->cfa_offset = rs->cfa_offset; |
5854 | fc->cfa_reg = rs->cfa_reg; | |
5855 | fc->ra = rs->ra; | |
5856 | fc->cfa_exp = rs->cfa_exp; | |
cc86f28f | 5857 | frame_need_space (fc, rs->ncols - 1); |
d71ad7fc | 5858 | memcpy (fc->col_type, rs->col_type, rs->ncols * sizeof (* rs->col_type)); |
19e6b90e | 5859 | memcpy (fc->col_offset, rs->col_offset, |
d71ad7fc | 5860 | rs->ncols * sizeof (* rs->col_offset)); |
19e6b90e L |
5861 | free (rs->col_type); |
5862 | free (rs->col_offset); | |
5863 | free (rs); | |
5864 | } | |
5865 | else if (do_debug_frames_interp) | |
5866 | printf ("Mismatched DW_CFA_restore_state\n"); | |
5867 | break; | |
5868 | ||
5869 | case DW_CFA_def_cfa: | |
5870 | fc->cfa_reg = LEB (); | |
5871 | fc->cfa_offset = LEB (); | |
5872 | fc->cfa_exp = 0; | |
5873 | if (! do_debug_frames_interp) | |
2dc4cec1 L |
5874 | printf (" DW_CFA_def_cfa: %s ofs %d\n", |
5875 | regname (fc->cfa_reg, 0), fc->cfa_offset); | |
19e6b90e L |
5876 | break; |
5877 | ||
5878 | case DW_CFA_def_cfa_register: | |
5879 | fc->cfa_reg = LEB (); | |
5880 | fc->cfa_exp = 0; | |
5881 | if (! do_debug_frames_interp) | |
2dc4cec1 L |
5882 | printf (" DW_CFA_def_cfa_register: %s\n", |
5883 | regname (fc->cfa_reg, 0)); | |
19e6b90e L |
5884 | break; |
5885 | ||
5886 | case DW_CFA_def_cfa_offset: | |
5887 | fc->cfa_offset = LEB (); | |
5888 | if (! do_debug_frames_interp) | |
5889 | printf (" DW_CFA_def_cfa_offset: %d\n", fc->cfa_offset); | |
5890 | break; | |
5891 | ||
5892 | case DW_CFA_nop: | |
5893 | if (! do_debug_frames_interp) | |
5894 | printf (" DW_CFA_nop\n"); | |
5895 | break; | |
5896 | ||
5897 | case DW_CFA_def_cfa_expression: | |
5898 | ul = LEB (); | |
5899 | if (! do_debug_frames_interp) | |
5900 | { | |
5901 | printf (" DW_CFA_def_cfa_expression ("); | |
b7807392 JJ |
5902 | decode_location_expression (start, eh_addr_size, 0, -1, |
5903 | ul, 0, section); | |
19e6b90e L |
5904 | printf (")\n"); |
5905 | } | |
5906 | fc->cfa_exp = 1; | |
5907 | start += ul; | |
5908 | break; | |
5909 | ||
5910 | case DW_CFA_expression: | |
5911 | reg = LEB (); | |
5912 | ul = LEB (); | |
665ce1f6 L |
5913 | if (reg >= (unsigned int) fc->ncols) |
5914 | reg_prefix = bad_reg; | |
5915 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
19e6b90e | 5916 | { |
665ce1f6 L |
5917 | printf (" DW_CFA_expression: %s%s (", |
5918 | reg_prefix, regname (reg, 0)); | |
b7807392 | 5919 | decode_location_expression (start, eh_addr_size, 0, -1, |
f1c4cc75 | 5920 | ul, 0, section); |
19e6b90e L |
5921 | printf (")\n"); |
5922 | } | |
665ce1f6 L |
5923 | if (*reg_prefix == '\0') |
5924 | fc->col_type[reg] = DW_CFA_expression; | |
19e6b90e L |
5925 | start += ul; |
5926 | break; | |
5927 | ||
12eae2d3 JJ |
5928 | case DW_CFA_val_expression: |
5929 | reg = LEB (); | |
5930 | ul = LEB (); | |
665ce1f6 L |
5931 | if (reg >= (unsigned int) fc->ncols) |
5932 | reg_prefix = bad_reg; | |
5933 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
12eae2d3 | 5934 | { |
665ce1f6 L |
5935 | printf (" DW_CFA_val_expression: %s%s (", |
5936 | reg_prefix, regname (reg, 0)); | |
b7807392 JJ |
5937 | decode_location_expression (start, eh_addr_size, 0, -1, |
5938 | ul, 0, section); | |
12eae2d3 JJ |
5939 | printf (")\n"); |
5940 | } | |
665ce1f6 L |
5941 | if (*reg_prefix == '\0') |
5942 | fc->col_type[reg] = DW_CFA_val_expression; | |
12eae2d3 JJ |
5943 | start += ul; |
5944 | break; | |
5945 | ||
19e6b90e L |
5946 | case DW_CFA_offset_extended_sf: |
5947 | reg = LEB (); | |
5948 | l = SLEB (); | |
665ce1f6 L |
5949 | if (frame_need_space (fc, reg) < 0) |
5950 | reg_prefix = bad_reg; | |
5951 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
5952 | printf (" DW_CFA_offset_extended_sf: %s%s at cfa%+ld\n", | |
5953 | reg_prefix, regname (reg, 0), | |
5954 | l * fc->data_factor); | |
5955 | if (*reg_prefix == '\0') | |
5956 | { | |
5957 | fc->col_type[reg] = DW_CFA_offset; | |
5958 | fc->col_offset[reg] = l * fc->data_factor; | |
5959 | } | |
19e6b90e L |
5960 | break; |
5961 | ||
12eae2d3 JJ |
5962 | case DW_CFA_val_offset_sf: |
5963 | reg = LEB (); | |
5964 | l = SLEB (); | |
665ce1f6 L |
5965 | if (frame_need_space (fc, reg) < 0) |
5966 | reg_prefix = bad_reg; | |
5967 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
5968 | printf (" DW_CFA_val_offset_sf: %s%s at cfa%+ld\n", | |
5969 | reg_prefix, regname (reg, 0), | |
5970 | l * fc->data_factor); | |
5971 | if (*reg_prefix == '\0') | |
5972 | { | |
5973 | fc->col_type[reg] = DW_CFA_val_offset; | |
5974 | fc->col_offset[reg] = l * fc->data_factor; | |
5975 | } | |
12eae2d3 JJ |
5976 | break; |
5977 | ||
19e6b90e L |
5978 | case DW_CFA_def_cfa_sf: |
5979 | fc->cfa_reg = LEB (); | |
5980 | fc->cfa_offset = SLEB (); | |
5981 | fc->cfa_offset = fc->cfa_offset * fc->data_factor; | |
5982 | fc->cfa_exp = 0; | |
5983 | if (! do_debug_frames_interp) | |
2dc4cec1 L |
5984 | printf (" DW_CFA_def_cfa_sf: %s ofs %d\n", |
5985 | regname (fc->cfa_reg, 0), fc->cfa_offset); | |
19e6b90e L |
5986 | break; |
5987 | ||
5988 | case DW_CFA_def_cfa_offset_sf: | |
5989 | fc->cfa_offset = SLEB (); | |
5990 | fc->cfa_offset = fc->cfa_offset * fc->data_factor; | |
5991 | if (! do_debug_frames_interp) | |
5992 | printf (" DW_CFA_def_cfa_offset_sf: %d\n", fc->cfa_offset); | |
5993 | break; | |
5994 | ||
5995 | case DW_CFA_MIPS_advance_loc8: | |
0c588247 | 5996 | SAFE_BYTE_GET_AND_INC (ofs, start, 8, end); |
19e6b90e L |
5997 | if (do_debug_frames_interp) |
5998 | frame_display_row (fc, &need_col_headers, &max_regs); | |
5999 | else | |
bf5117e3 NC |
6000 | printf (" DW_CFA_MIPS_advance_loc8: %ld to %s\n", |
6001 | (unsigned long) (ofs * fc->code_factor), | |
6002 | dwarf_vmatoa_1 (NULL, | |
6003 | fc->pc_begin + ofs * fc->code_factor, | |
6004 | fc->ptr_size)); | |
19e6b90e L |
6005 | fc->pc_begin += ofs * fc->code_factor; |
6006 | break; | |
6007 | ||
6008 | case DW_CFA_GNU_window_save: | |
6009 | if (! do_debug_frames_interp) | |
6010 | printf (" DW_CFA_GNU_window_save\n"); | |
6011 | break; | |
6012 | ||
6013 | case DW_CFA_GNU_args_size: | |
6014 | ul = LEB (); | |
6015 | if (! do_debug_frames_interp) | |
6016 | printf (" DW_CFA_GNU_args_size: %ld\n", ul); | |
6017 | break; | |
6018 | ||
6019 | case DW_CFA_GNU_negative_offset_extended: | |
6020 | reg = LEB (); | |
6021 | l = - LEB (); | |
665ce1f6 L |
6022 | if (frame_need_space (fc, reg) < 0) |
6023 | reg_prefix = bad_reg; | |
6024 | if (! do_debug_frames_interp || *reg_prefix != '\0') | |
6025 | printf (" DW_CFA_GNU_negative_offset_extended: %s%s at cfa%+ld\n", | |
6026 | reg_prefix, regname (reg, 0), | |
6027 | l * fc->data_factor); | |
6028 | if (*reg_prefix == '\0') | |
6029 | { | |
6030 | fc->col_type[reg] = DW_CFA_offset; | |
6031 | fc->col_offset[reg] = l * fc->data_factor; | |
6032 | } | |
19e6b90e L |
6033 | break; |
6034 | ||
6035 | default: | |
53b8873b NC |
6036 | if (op >= DW_CFA_lo_user && op <= DW_CFA_hi_user) |
6037 | printf (_(" DW_CFA_??? (User defined call frame op: %#x)\n"), op); | |
6038 | else | |
cecf136e | 6039 | warn (_("unsupported or unknown Dwarf Call Frame Instruction number: %#x\n"), op); |
19e6b90e L |
6040 | start = block_end; |
6041 | } | |
6042 | } | |
6043 | ||
6044 | if (do_debug_frames_interp) | |
6045 | frame_display_row (fc, &need_col_headers, &max_regs); | |
6046 | ||
6047 | start = block_end; | |
604282a7 | 6048 | eh_addr_size = saved_eh_addr_size; |
19e6b90e L |
6049 | } |
6050 | ||
6051 | printf ("\n"); | |
6052 | ||
6053 | return 1; | |
6054 | } | |
6055 | ||
6056 | #undef GET | |
6057 | #undef LEB | |
6058 | #undef SLEB | |
6059 | ||
5bbdf3d5 DE |
6060 | static int |
6061 | display_gdb_index (struct dwarf_section *section, | |
6062 | void *file ATTRIBUTE_UNUSED) | |
6063 | { | |
6064 | unsigned char *start = section->start; | |
6065 | uint32_t version; | |
6066 | uint32_t cu_list_offset, tu_list_offset; | |
6067 | uint32_t address_table_offset, symbol_table_offset, constant_pool_offset; | |
6068 | unsigned int cu_list_elements, tu_list_elements; | |
6069 | unsigned int address_table_size, symbol_table_slots; | |
6070 | unsigned char *cu_list, *tu_list; | |
6071 | unsigned char *address_table, *symbol_table, *constant_pool; | |
6072 | unsigned int i; | |
6073 | ||
6074 | /* The documentation for the format of this file is in gdb/dwarf2read.c. */ | |
6075 | ||
6076 | printf (_("Contents of the %s section:\n"), section->name); | |
6077 | ||
6078 | if (section->size < 6 * sizeof (uint32_t)) | |
6079 | { | |
6080 | warn (_("Truncated header in the %s section.\n"), section->name); | |
6081 | return 0; | |
6082 | } | |
6083 | ||
6084 | version = byte_get_little_endian (start, 4); | |
da88a764 | 6085 | printf (_("Version %ld\n"), (long) version); |
5bbdf3d5 DE |
6086 | |
6087 | /* Prior versions are obsolete, and future versions may not be | |
6088 | backwards compatible. */ | |
aa170720 | 6089 | if (version < 3 || version > 8) |
5bbdf3d5 | 6090 | { |
da88a764 | 6091 | warn (_("Unsupported version %lu.\n"), (unsigned long) version); |
5bbdf3d5 DE |
6092 | return 0; |
6093 | } | |
8d6eee87 TT |
6094 | if (version < 4) |
6095 | warn (_("The address table data in version 3 may be wrong.\n")); | |
6096 | if (version < 5) | |
6097 | warn (_("Version 4 does not support case insensitive lookups.\n")); | |
6098 | if (version < 6) | |
6099 | warn (_("Version 5 does not include inlined functions.\n")); | |
6100 | if (version < 7) | |
6101 | warn (_("Version 6 does not include symbol attributes.\n")); | |
aa170720 DE |
6102 | /* Version 7 indices generated by Gold have bad type unit references, |
6103 | PR binutils/15021. But we don't know if the index was generated by | |
6104 | Gold or not, so to avoid worrying users with gdb-generated indices | |
6105 | we say nothing for version 7 here. */ | |
5bbdf3d5 DE |
6106 | |
6107 | cu_list_offset = byte_get_little_endian (start + 4, 4); | |
6108 | tu_list_offset = byte_get_little_endian (start + 8, 4); | |
6109 | address_table_offset = byte_get_little_endian (start + 12, 4); | |
6110 | symbol_table_offset = byte_get_little_endian (start + 16, 4); | |
6111 | constant_pool_offset = byte_get_little_endian (start + 20, 4); | |
6112 | ||
6113 | if (cu_list_offset > section->size | |
6114 | || tu_list_offset > section->size | |
6115 | || address_table_offset > section->size | |
6116 | || symbol_table_offset > section->size | |
6117 | || constant_pool_offset > section->size) | |
6118 | { | |
6119 | warn (_("Corrupt header in the %s section.\n"), section->name); | |
6120 | return 0; | |
6121 | } | |
6122 | ||
6123 | cu_list_elements = (tu_list_offset - cu_list_offset) / 8; | |
6124 | tu_list_elements = (address_table_offset - tu_list_offset) / 8; | |
6125 | address_table_size = symbol_table_offset - address_table_offset; | |
6126 | symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8; | |
6127 | ||
6128 | cu_list = start + cu_list_offset; | |
6129 | tu_list = start + tu_list_offset; | |
6130 | address_table = start + address_table_offset; | |
6131 | symbol_table = start + symbol_table_offset; | |
6132 | constant_pool = start + constant_pool_offset; | |
6133 | ||
6134 | printf (_("\nCU table:\n")); | |
6135 | for (i = 0; i < cu_list_elements; i += 2) | |
6136 | { | |
6137 | uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8); | |
6138 | uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8); | |
6139 | ||
6140 | printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2, | |
6141 | (unsigned long) cu_offset, | |
6142 | (unsigned long) (cu_offset + cu_length - 1)); | |
6143 | } | |
6144 | ||
6145 | printf (_("\nTU table:\n")); | |
6146 | for (i = 0; i < tu_list_elements; i += 3) | |
6147 | { | |
6148 | uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8); | |
6149 | uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8); | |
6150 | uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8); | |
6151 | ||
6152 | printf (_("[%3u] 0x%lx 0x%lx "), i / 3, | |
6153 | (unsigned long) tu_offset, | |
6154 | (unsigned long) type_offset); | |
6155 | print_dwarf_vma (signature, 8); | |
6156 | printf ("\n"); | |
6157 | } | |
6158 | ||
6159 | printf (_("\nAddress table:\n")); | |
6160 | for (i = 0; i < address_table_size; i += 2 * 8 + 4) | |
6161 | { | |
6162 | uint64_t low = byte_get_little_endian (address_table + i, 8); | |
6163 | uint64_t high = byte_get_little_endian (address_table + i + 8, 8); | |
6164 | uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4); | |
6165 | ||
6166 | print_dwarf_vma (low, 8); | |
6167 | print_dwarf_vma (high, 8); | |
da88a764 | 6168 | printf (_("%lu\n"), (unsigned long) cu_index); |
5bbdf3d5 DE |
6169 | } |
6170 | ||
6171 | printf (_("\nSymbol table:\n")); | |
6172 | for (i = 0; i < symbol_table_slots; ++i) | |
6173 | { | |
6174 | uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4); | |
6175 | uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4); | |
6176 | uint32_t num_cus, cu; | |
6177 | ||
6178 | if (name_offset != 0 | |
6179 | || cu_vector_offset != 0) | |
6180 | { | |
6181 | unsigned int j; | |
6182 | ||
6183 | printf ("[%3u] %s:", i, constant_pool + name_offset); | |
6184 | num_cus = byte_get_little_endian (constant_pool + cu_vector_offset, 4); | |
8d6eee87 TT |
6185 | if (num_cus > 1) |
6186 | printf ("\n"); | |
5bbdf3d5 DE |
6187 | for (j = 0; j < num_cus; ++j) |
6188 | { | |
7c1cef97 | 6189 | int is_static; |
8d6eee87 TT |
6190 | gdb_index_symbol_kind kind; |
6191 | ||
5bbdf3d5 | 6192 | cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4); |
7c1cef97 | 6193 | is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (cu); |
8d6eee87 TT |
6194 | kind = GDB_INDEX_SYMBOL_KIND_VALUE (cu); |
6195 | cu = GDB_INDEX_CU_VALUE (cu); | |
5bbdf3d5 | 6196 | /* Convert to TU number if it's for a type unit. */ |
ad6b52dd | 6197 | if (cu >= cu_list_elements / 2) |
8d6eee87 TT |
6198 | printf ("%cT%lu", num_cus > 1 ? '\t' : ' ', |
6199 | (unsigned long) (cu - cu_list_elements / 2)); | |
5bbdf3d5 | 6200 | else |
8d6eee87 TT |
6201 | printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu); |
6202 | ||
459d52c8 DE |
6203 | printf (" [%s, %s]", |
6204 | is_static ? _("static") : _("global"), | |
6205 | get_gdb_index_symbol_kind_name (kind)); | |
8d6eee87 TT |
6206 | if (num_cus > 1) |
6207 | printf ("\n"); | |
5bbdf3d5 | 6208 | } |
8d6eee87 TT |
6209 | if (num_cus <= 1) |
6210 | printf ("\n"); | |
5bbdf3d5 DE |
6211 | } |
6212 | } | |
6213 | ||
6214 | return 1; | |
6215 | } | |
6216 | ||
657d0d47 CC |
6217 | /* Pre-allocate enough space for the CU/TU sets needed. */ |
6218 | ||
6219 | static void | |
6220 | prealloc_cu_tu_list (unsigned int nshndx) | |
6221 | { | |
6222 | if (shndx_pool == NULL) | |
6223 | { | |
6224 | shndx_pool_size = nshndx; | |
6225 | shndx_pool_used = 0; | |
6226 | shndx_pool = (unsigned int *) xcmalloc (shndx_pool_size, | |
6227 | sizeof (unsigned int)); | |
6228 | } | |
6229 | else | |
6230 | { | |
6231 | shndx_pool_size = shndx_pool_used + nshndx; | |
6232 | shndx_pool = (unsigned int *) xcrealloc (shndx_pool, shndx_pool_size, | |
6233 | sizeof (unsigned int)); | |
6234 | } | |
6235 | } | |
6236 | ||
6237 | static void | |
6238 | add_shndx_to_cu_tu_entry (unsigned int shndx) | |
6239 | { | |
6240 | if (shndx_pool_used >= shndx_pool_size) | |
6241 | { | |
6242 | error (_("Internal error: out of space in the shndx pool.\n")); | |
6243 | return; | |
6244 | } | |
6245 | shndx_pool [shndx_pool_used++] = shndx; | |
6246 | } | |
6247 | ||
6248 | static void | |
6249 | end_cu_tu_entry (void) | |
6250 | { | |
6251 | if (shndx_pool_used >= shndx_pool_size) | |
6252 | { | |
6253 | error (_("Internal error: out of space in the shndx pool.\n")); | |
6254 | return; | |
6255 | } | |
6256 | shndx_pool [shndx_pool_used++] = 0; | |
6257 | } | |
6258 | ||
341f9135 CC |
6259 | /* Return the short name of a DWARF section given by a DW_SECT enumerator. */ |
6260 | ||
6261 | static const char * | |
6262 | get_DW_SECT_short_name (unsigned int dw_sect) | |
6263 | { | |
6264 | static char buf[16]; | |
6265 | ||
6266 | switch (dw_sect) | |
6267 | { | |
6268 | case DW_SECT_INFO: | |
6269 | return "info"; | |
6270 | case DW_SECT_TYPES: | |
6271 | return "types"; | |
6272 | case DW_SECT_ABBREV: | |
6273 | return "abbrev"; | |
6274 | case DW_SECT_LINE: | |
6275 | return "line"; | |
6276 | case DW_SECT_LOC: | |
6277 | return "loc"; | |
6278 | case DW_SECT_STR_OFFSETS: | |
6279 | return "str_off"; | |
6280 | case DW_SECT_MACINFO: | |
6281 | return "macinfo"; | |
6282 | case DW_SECT_MACRO: | |
6283 | return "macro"; | |
6284 | default: | |
6285 | break; | |
6286 | } | |
6287 | ||
6288 | snprintf (buf, sizeof (buf), "%d", dw_sect); | |
6289 | return buf; | |
6290 | } | |
6291 | ||
6292 | /* Process a CU or TU index. If DO_DISPLAY is true, print the contents. | |
6293 | These sections are extensions for Fission. | |
6294 | See http://gcc.gnu.org/wiki/DebugFissionDWP. */ | |
657d0d47 CC |
6295 | |
6296 | static int | |
6297 | process_cu_tu_index (struct dwarf_section *section, int do_display) | |
6298 | { | |
6299 | unsigned char *phdr = section->start; | |
6300 | unsigned char *limit = phdr + section->size; | |
6301 | unsigned char *phash; | |
6302 | unsigned char *pindex; | |
6303 | unsigned char *ppool; | |
6304 | unsigned int version; | |
341f9135 | 6305 | unsigned int ncols = 0; |
657d0d47 CC |
6306 | unsigned int nused; |
6307 | unsigned int nslots; | |
6308 | unsigned int i; | |
341f9135 CC |
6309 | unsigned int j; |
6310 | dwarf_vma signature_high; | |
6311 | dwarf_vma signature_low; | |
6312 | char buf[64]; | |
657d0d47 CC |
6313 | |
6314 | version = byte_get (phdr, 4); | |
341f9135 CC |
6315 | if (version >= 2) |
6316 | ncols = byte_get (phdr + 4, 4); | |
657d0d47 CC |
6317 | nused = byte_get (phdr + 8, 4); |
6318 | nslots = byte_get (phdr + 12, 4); | |
6319 | phash = phdr + 16; | |
6320 | pindex = phash + nslots * 8; | |
6321 | ppool = pindex + nslots * 4; | |
6322 | ||
657d0d47 CC |
6323 | if (do_display) |
6324 | { | |
6325 | printf (_("Contents of the %s section:\n\n"), section->name); | |
6326 | printf (_(" Version: %d\n"), version); | |
341f9135 CC |
6327 | if (version >= 2) |
6328 | printf (_(" Number of columns: %d\n"), ncols); | |
657d0d47 CC |
6329 | printf (_(" Number of used entries: %d\n"), nused); |
6330 | printf (_(" Number of slots: %d\n\n"), nslots); | |
6331 | } | |
6332 | ||
6333 | if (ppool > limit) | |
6334 | { | |
6335 | warn (_("Section %s too small for %d hash table entries\n"), | |
6336 | section->name, nslots); | |
6337 | return 0; | |
6338 | } | |
6339 | ||
341f9135 | 6340 | if (version == 1) |
657d0d47 | 6341 | { |
341f9135 CC |
6342 | if (!do_display) |
6343 | prealloc_cu_tu_list ((limit - ppool) / 4); | |
6344 | for (i = 0; i < nslots; i++) | |
657d0d47 | 6345 | { |
341f9135 CC |
6346 | unsigned char *shndx_list; |
6347 | unsigned int shndx; | |
6348 | ||
6349 | byte_get_64 (phash, &signature_high, &signature_low); | |
6350 | if (signature_high != 0 || signature_low != 0) | |
657d0d47 | 6351 | { |
341f9135 CC |
6352 | j = byte_get (pindex, 4); |
6353 | shndx_list = ppool + j * 4; | |
6354 | if (do_display) | |
6355 | printf (_(" [%3d] Signature: 0x%s Sections: "), | |
6356 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
6357 | buf, sizeof (buf))); | |
6358 | for (;;) | |
657d0d47 | 6359 | { |
341f9135 CC |
6360 | if (shndx_list >= limit) |
6361 | { | |
6362 | warn (_("Section %s too small for shndx pool\n"), | |
6363 | section->name); | |
6364 | return 0; | |
6365 | } | |
6366 | shndx = byte_get (shndx_list, 4); | |
6367 | if (shndx == 0) | |
6368 | break; | |
6369 | if (do_display) | |
6370 | printf (" %d", shndx); | |
6371 | else | |
6372 | add_shndx_to_cu_tu_entry (shndx); | |
6373 | shndx_list += 4; | |
657d0d47 | 6374 | } |
657d0d47 | 6375 | if (do_display) |
341f9135 | 6376 | printf ("\n"); |
657d0d47 | 6377 | else |
341f9135 CC |
6378 | end_cu_tu_entry (); |
6379 | } | |
6380 | phash += 8; | |
6381 | pindex += 4; | |
6382 | } | |
6383 | } | |
6384 | else if (version == 2) | |
6385 | { | |
6386 | unsigned int val; | |
6387 | unsigned int dw_sect; | |
6388 | unsigned char *ph = phash; | |
6389 | unsigned char *pi = pindex; | |
6390 | unsigned char *poffsets = ppool + ncols * 4; | |
6391 | unsigned char *psizes = poffsets + nused * ncols * 4; | |
6392 | unsigned char *pend = psizes + nused * ncols * 4; | |
6393 | bfd_boolean is_tu_index; | |
6394 | struct cu_tu_set *this_set = NULL; | |
6395 | unsigned int row; | |
6396 | unsigned char *prow; | |
6397 | ||
6398 | is_tu_index = strcmp (section->name, ".debug_tu_index") == 0; | |
6399 | ||
6400 | if (pend > limit) | |
6401 | { | |
6402 | warn (_("Section %s too small for offset and size tables\n"), | |
6403 | section->name); | |
6404 | return 0; | |
6405 | } | |
6406 | ||
6407 | if (do_display) | |
6408 | { | |
6409 | printf (_(" Offset table\n")); | |
6410 | printf (" slot %-16s ", | |
6411 | is_tu_index ? _("signature") : _("dwo_id")); | |
6412 | } | |
6413 | else | |
6414 | { | |
6415 | if (is_tu_index) | |
6416 | { | |
6417 | tu_count = nused; | |
6418 | tu_sets = xcmalloc (nused, sizeof (struct cu_tu_set)); | |
6419 | this_set = tu_sets; | |
657d0d47 | 6420 | } |
657d0d47 | 6421 | else |
341f9135 CC |
6422 | { |
6423 | cu_count = nused; | |
6424 | cu_sets = xcmalloc (nused, sizeof (struct cu_tu_set)); | |
6425 | this_set = cu_sets; | |
6426 | } | |
6427 | } | |
6428 | if (do_display) | |
6429 | { | |
6430 | for (j = 0; j < ncols; j++) | |
6431 | { | |
6432 | dw_sect = byte_get (ppool + j * 4, 4); | |
6433 | printf (" %8s", get_DW_SECT_short_name (dw_sect)); | |
6434 | } | |
6435 | printf ("\n"); | |
6436 | } | |
6437 | for (i = 0; i < nslots; i++) | |
6438 | { | |
6439 | byte_get_64 (ph, &signature_high, &signature_low); | |
6440 | row = byte_get (pi, 4); | |
6441 | if (row != 0) | |
6442 | { | |
6443 | if (!do_display) | |
6444 | memcpy (&this_set[row - 1].signature, ph, sizeof (uint64_t)); | |
6445 | prow = poffsets + (row - 1) * ncols * 4; | |
6446 | if (do_display) | |
6447 | printf (_(" [%3d] 0x%s"), | |
6448 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
6449 | buf, sizeof (buf))); | |
6450 | for (j = 0; j < ncols; j++) | |
6451 | { | |
6452 | val = byte_get (prow + j * 4, 4); | |
6453 | if (do_display) | |
6454 | printf (" %8d", val); | |
6455 | else | |
6456 | { | |
6457 | dw_sect = byte_get (ppool + j * 4, 4); | |
6458 | this_set [row - 1].section_offsets [dw_sect] = val; | |
6459 | } | |
6460 | } | |
6461 | if (do_display) | |
6462 | printf ("\n"); | |
6463 | } | |
6464 | ph += 8; | |
6465 | pi += 4; | |
6466 | } | |
6467 | ||
6468 | ph = phash; | |
6469 | pi = pindex; | |
6470 | if (do_display) | |
6471 | { | |
6472 | printf ("\n"); | |
6473 | printf (_(" Size table\n")); | |
6474 | printf (" slot %-16s ", | |
6475 | is_tu_index ? _("signature") : _("dwo_id")); | |
6476 | } | |
6477 | for (j = 0; j < ncols; j++) | |
6478 | { | |
6479 | val = byte_get (ppool + j * 4, 4); | |
6480 | if (do_display) | |
6481 | printf (" %8s", get_DW_SECT_short_name (val)); | |
6482 | } | |
6483 | if (do_display) | |
6484 | printf ("\n"); | |
6485 | for (i = 0; i < nslots; i++) | |
6486 | { | |
6487 | byte_get_64 (ph, &signature_high, &signature_low); | |
6488 | row = byte_get (pi, 4); | |
6489 | if (row != 0) | |
6490 | { | |
6491 | prow = psizes + (row - 1) * ncols * 4; | |
6492 | if (do_display) | |
6493 | printf (_(" [%3d] 0x%s"), | |
6494 | i, dwarf_vmatoa64 (signature_high, signature_low, | |
6495 | buf, sizeof (buf))); | |
6496 | for (j = 0; j < ncols; j++) | |
6497 | { | |
6498 | val = byte_get (prow + j * 4, 4); | |
6499 | if (do_display) | |
6500 | printf (" %8d", val); | |
6501 | else | |
6502 | { | |
6503 | dw_sect = byte_get (ppool + j * 4, 4); | |
6504 | this_set [row - 1].section_sizes [dw_sect] = val; | |
6505 | } | |
6506 | } | |
6507 | if (do_display) | |
6508 | printf ("\n"); | |
6509 | } | |
6510 | ph += 8; | |
6511 | pi += 4; | |
657d0d47 | 6512 | } |
657d0d47 | 6513 | } |
341f9135 CC |
6514 | else if (do_display) |
6515 | printf (_(" Unsupported version\n")); | |
657d0d47 CC |
6516 | |
6517 | if (do_display) | |
6518 | printf ("\n"); | |
6519 | ||
6520 | return 1; | |
6521 | } | |
6522 | ||
6523 | /* Load the CU and TU indexes if present. This will build a list of | |
6524 | section sets that we can use to associate a .debug_info.dwo section | |
6525 | with its associated .debug_abbrev.dwo section in a .dwp file. */ | |
6526 | ||
6527 | static void | |
6528 | load_cu_tu_indexes (void *file) | |
6529 | { | |
6530 | /* If we have already loaded (or tried to load) the CU and TU indexes | |
6531 | then do not bother to repeat the task. */ | |
6532 | if (cu_tu_indexes_read) | |
6533 | return; | |
6534 | ||
6535 | if (load_debug_section (dwp_cu_index, file)) | |
6536 | process_cu_tu_index (&debug_displays [dwp_cu_index].section, 0); | |
6537 | ||
6538 | if (load_debug_section (dwp_tu_index, file)) | |
6539 | process_cu_tu_index (&debug_displays [dwp_tu_index].section, 0); | |
6540 | ||
6541 | cu_tu_indexes_read = 1; | |
6542 | } | |
6543 | ||
6544 | /* Find the set of sections that includes section SHNDX. */ | |
6545 | ||
6546 | unsigned int * | |
6547 | find_cu_tu_set (void *file, unsigned int shndx) | |
6548 | { | |
6549 | unsigned int i; | |
6550 | ||
6551 | load_cu_tu_indexes (file); | |
6552 | ||
6553 | /* Find SHNDX in the shndx pool. */ | |
6554 | for (i = 0; i < shndx_pool_used; i++) | |
6555 | if (shndx_pool [i] == shndx) | |
6556 | break; | |
6557 | ||
6558 | if (i >= shndx_pool_used) | |
6559 | return NULL; | |
6560 | ||
6561 | /* Now backup to find the first entry in the set. */ | |
6562 | while (i > 0 && shndx_pool [i - 1] != 0) | |
6563 | i--; | |
6564 | ||
6565 | return shndx_pool + i; | |
6566 | } | |
6567 | ||
6568 | /* Display a .debug_cu_index or .debug_tu_index section. */ | |
6569 | ||
6570 | static int | |
6571 | display_cu_index (struct dwarf_section *section, void *file ATTRIBUTE_UNUSED) | |
6572 | { | |
6573 | return process_cu_tu_index (section, 1); | |
6574 | } | |
6575 | ||
19e6b90e L |
6576 | static int |
6577 | display_debug_not_supported (struct dwarf_section *section, | |
6578 | void *file ATTRIBUTE_UNUSED) | |
6579 | { | |
6580 | printf (_("Displaying the debug contents of section %s is not yet supported.\n"), | |
6581 | section->name); | |
6582 | ||
6583 | return 1; | |
6584 | } | |
6585 | ||
6586 | void * | |
6587 | cmalloc (size_t nmemb, size_t size) | |
6588 | { | |
6589 | /* Check for overflow. */ | |
6590 | if (nmemb >= ~(size_t) 0 / size) | |
6591 | return NULL; | |
6592 | else | |
6593 | return malloc (nmemb * size); | |
6594 | } | |
6595 | ||
6596 | void * | |
6597 | xcmalloc (size_t nmemb, size_t size) | |
6598 | { | |
6599 | /* Check for overflow. */ | |
6600 | if (nmemb >= ~(size_t) 0 / size) | |
6601 | return NULL; | |
6602 | else | |
6603 | return xmalloc (nmemb * size); | |
6604 | } | |
6605 | ||
6606 | void * | |
6607 | xcrealloc (void *ptr, size_t nmemb, size_t size) | |
6608 | { | |
6609 | /* Check for overflow. */ | |
6610 | if (nmemb >= ~(size_t) 0 / size) | |
6611 | return NULL; | |
6612 | else | |
6613 | return xrealloc (ptr, nmemb * size); | |
6614 | } | |
6615 | ||
19e6b90e L |
6616 | void |
6617 | free_debug_memory (void) | |
6618 | { | |
3f5e193b | 6619 | unsigned int i; |
19e6b90e L |
6620 | |
6621 | free_abbrevs (); | |
6622 | ||
6623 | for (i = 0; i < max; i++) | |
3f5e193b | 6624 | free_debug_section ((enum dwarf_section_display_enum) i); |
19e6b90e | 6625 | |
cc86f28f | 6626 | if (debug_information != NULL) |
19e6b90e | 6627 | { |
cc86f28f | 6628 | if (num_debug_info_entries != DEBUG_INFO_UNAVAILABLE) |
19e6b90e | 6629 | { |
cc86f28f | 6630 | for (i = 0; i < num_debug_info_entries; i++) |
19e6b90e | 6631 | { |
cc86f28f NC |
6632 | if (!debug_information [i].max_loc_offsets) |
6633 | { | |
6634 | free (debug_information [i].loc_offsets); | |
6635 | free (debug_information [i].have_frame_base); | |
6636 | } | |
6637 | if (!debug_information [i].max_range_lists) | |
6638 | free (debug_information [i].range_lists); | |
19e6b90e | 6639 | } |
19e6b90e | 6640 | } |
cc86f28f | 6641 | |
19e6b90e L |
6642 | free (debug_information); |
6643 | debug_information = NULL; | |
6644 | num_debug_info_entries = 0; | |
6645 | } | |
19e6b90e L |
6646 | } |
6647 | ||
4cb93e3b TG |
6648 | void |
6649 | dwarf_select_sections_by_names (const char *names) | |
6650 | { | |
6651 | typedef struct | |
6652 | { | |
6653 | const char * option; | |
6654 | int * variable; | |
f9f0e732 | 6655 | int val; |
4cb93e3b TG |
6656 | } |
6657 | debug_dump_long_opts; | |
6658 | ||
6659 | static const debug_dump_long_opts opts_table [] = | |
6660 | { | |
6661 | /* Please keep this table alpha- sorted. */ | |
6662 | { "Ranges", & do_debug_ranges, 1 }, | |
6663 | { "abbrev", & do_debug_abbrevs, 1 }, | |
657d0d47 | 6664 | { "addr", & do_debug_addr, 1 }, |
4cb93e3b | 6665 | { "aranges", & do_debug_aranges, 1 }, |
657d0d47 CC |
6666 | { "cu_index", & do_debug_cu_index, 1 }, |
6667 | { "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED }, | |
4cb93e3b TG |
6668 | { "frames", & do_debug_frames, 1 }, |
6669 | { "frames-interp", & do_debug_frames_interp, 1 }, | |
657d0d47 CC |
6670 | /* The special .gdb_index section. */ |
6671 | { "gdb_index", & do_gdb_index, 1 }, | |
4cb93e3b TG |
6672 | { "info", & do_debug_info, 1 }, |
6673 | { "line", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, /* For backwards compatibility. */ | |
4cb93e3b TG |
6674 | { "loc", & do_debug_loc, 1 }, |
6675 | { "macro", & do_debug_macinfo, 1 }, | |
6676 | { "pubnames", & do_debug_pubnames, 1 }, | |
357da287 | 6677 | { "pubtypes", & do_debug_pubtypes, 1 }, |
4cb93e3b TG |
6678 | /* This entry is for compatability |
6679 | with earlier versions of readelf. */ | |
6680 | { "ranges", & do_debug_aranges, 1 }, | |
657d0d47 | 6681 | { "rawline", & do_debug_lines, FLAG_DEBUG_LINES_RAW }, |
4cb93e3b | 6682 | { "str", & do_debug_str, 1 }, |
6f875884 TG |
6683 | /* These trace_* sections are used by Itanium VMS. */ |
6684 | { "trace_abbrev", & do_trace_abbrevs, 1 }, | |
6685 | { "trace_aranges", & do_trace_aranges, 1 }, | |
6686 | { "trace_info", & do_trace_info, 1 }, | |
4cb93e3b TG |
6687 | { NULL, NULL, 0 } |
6688 | }; | |
6689 | ||
6690 | const char *p; | |
467c65bc | 6691 | |
4cb93e3b TG |
6692 | p = names; |
6693 | while (*p) | |
6694 | { | |
6695 | const debug_dump_long_opts * entry; | |
467c65bc | 6696 | |
4cb93e3b TG |
6697 | for (entry = opts_table; entry->option; entry++) |
6698 | { | |
6699 | size_t len = strlen (entry->option); | |
467c65bc | 6700 | |
4cb93e3b TG |
6701 | if (strncmp (p, entry->option, len) == 0 |
6702 | && (p[len] == ',' || p[len] == '\0')) | |
6703 | { | |
6704 | * entry->variable |= entry->val; | |
467c65bc | 6705 | |
4cb93e3b TG |
6706 | /* The --debug-dump=frames-interp option also |
6707 | enables the --debug-dump=frames option. */ | |
6708 | if (do_debug_frames_interp) | |
6709 | do_debug_frames = 1; | |
6710 | ||
6711 | p += len; | |
6712 | break; | |
6713 | } | |
6714 | } | |
467c65bc | 6715 | |
4cb93e3b TG |
6716 | if (entry->option == NULL) |
6717 | { | |
6718 | warn (_("Unrecognized debug option '%s'\n"), p); | |
6719 | p = strchr (p, ','); | |
6720 | if (p == NULL) | |
6721 | break; | |
6722 | } | |
467c65bc | 6723 | |
4cb93e3b TG |
6724 | if (*p == ',') |
6725 | p++; | |
6726 | } | |
6727 | } | |
6728 | ||
6729 | void | |
6730 | dwarf_select_sections_by_letters (const char *letters) | |
6731 | { | |
91d6fa6a | 6732 | unsigned int lindex = 0; |
4cb93e3b | 6733 | |
91d6fa6a NC |
6734 | while (letters[lindex]) |
6735 | switch (letters[lindex++]) | |
4cb93e3b TG |
6736 | { |
6737 | case 'i': | |
6738 | do_debug_info = 1; | |
6739 | break; | |
467c65bc | 6740 | |
4cb93e3b TG |
6741 | case 'a': |
6742 | do_debug_abbrevs = 1; | |
6743 | break; | |
467c65bc | 6744 | |
4cb93e3b TG |
6745 | case 'l': |
6746 | do_debug_lines |= FLAG_DEBUG_LINES_RAW; | |
6747 | break; | |
467c65bc | 6748 | |
4cb93e3b TG |
6749 | case 'L': |
6750 | do_debug_lines |= FLAG_DEBUG_LINES_DECODED; | |
6751 | break; | |
467c65bc | 6752 | |
4cb93e3b TG |
6753 | case 'p': |
6754 | do_debug_pubnames = 1; | |
6755 | break; | |
467c65bc | 6756 | |
f9f0e732 NC |
6757 | case 't': |
6758 | do_debug_pubtypes = 1; | |
6759 | break; | |
467c65bc | 6760 | |
4cb93e3b TG |
6761 | case 'r': |
6762 | do_debug_aranges = 1; | |
6763 | break; | |
467c65bc | 6764 | |
4cb93e3b TG |
6765 | case 'R': |
6766 | do_debug_ranges = 1; | |
6767 | break; | |
467c65bc | 6768 | |
4cb93e3b TG |
6769 | case 'F': |
6770 | do_debug_frames_interp = 1; | |
6771 | case 'f': | |
6772 | do_debug_frames = 1; | |
6773 | break; | |
467c65bc | 6774 | |
4cb93e3b TG |
6775 | case 'm': |
6776 | do_debug_macinfo = 1; | |
6777 | break; | |
467c65bc | 6778 | |
4cb93e3b TG |
6779 | case 's': |
6780 | do_debug_str = 1; | |
6781 | break; | |
467c65bc | 6782 | |
4cb93e3b TG |
6783 | case 'o': |
6784 | do_debug_loc = 1; | |
6785 | break; | |
467c65bc | 6786 | |
4cb93e3b TG |
6787 | default: |
6788 | warn (_("Unrecognized debug option '%s'\n"), optarg); | |
6789 | break; | |
6790 | } | |
6791 | } | |
6792 | ||
6793 | void | |
6794 | dwarf_select_sections_all (void) | |
6795 | { | |
6796 | do_debug_info = 1; | |
6797 | do_debug_abbrevs = 1; | |
6798 | do_debug_lines = FLAG_DEBUG_LINES_RAW; | |
6799 | do_debug_pubnames = 1; | |
f9f0e732 | 6800 | do_debug_pubtypes = 1; |
4cb93e3b TG |
6801 | do_debug_aranges = 1; |
6802 | do_debug_ranges = 1; | |
6803 | do_debug_frames = 1; | |
6804 | do_debug_macinfo = 1; | |
6805 | do_debug_str = 1; | |
6806 | do_debug_loc = 1; | |
5bbdf3d5 | 6807 | do_gdb_index = 1; |
6f875884 TG |
6808 | do_trace_info = 1; |
6809 | do_trace_abbrevs = 1; | |
6810 | do_trace_aranges = 1; | |
657d0d47 CC |
6811 | do_debug_addr = 1; |
6812 | do_debug_cu_index = 1; | |
4cb93e3b TG |
6813 | } |
6814 | ||
19e6b90e L |
6815 | struct dwarf_section_display debug_displays[] = |
6816 | { | |
657d0d47 | 6817 | { { ".debug_abbrev", ".zdebug_abbrev", NULL, NULL, 0, 0, 0 }, |
4723351a | 6818 | display_debug_abbrev, &do_debug_abbrevs, 0 }, |
657d0d47 | 6819 | { { ".debug_aranges", ".zdebug_aranges", NULL, NULL, 0, 0, 0 }, |
4723351a | 6820 | display_debug_aranges, &do_debug_aranges, 1 }, |
657d0d47 | 6821 | { { ".debug_frame", ".zdebug_frame", NULL, NULL, 0, 0, 0 }, |
4723351a CC |
6822 | display_debug_frames, &do_debug_frames, 1 }, |
6823 | { { ".debug_info", ".zdebug_info", NULL, NULL, 0, 0, abbrev }, | |
6824 | display_debug_info, &do_debug_info, 1 }, | |
657d0d47 | 6825 | { { ".debug_line", ".zdebug_line", NULL, NULL, 0, 0, 0 }, |
4723351a | 6826 | display_debug_lines, &do_debug_lines, 1 }, |
657d0d47 | 6827 | { { ".debug_pubnames", ".zdebug_pubnames", NULL, NULL, 0, 0, 0 }, |
4723351a | 6828 | display_debug_pubnames, &do_debug_pubnames, 0 }, |
459d52c8 DE |
6829 | { { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NULL, NULL, 0, 0, 0 }, |
6830 | display_debug_gnu_pubnames, &do_debug_pubnames, 0 }, | |
657d0d47 | 6831 | { { ".eh_frame", "", NULL, NULL, 0, 0, 0 }, |
4723351a | 6832 | display_debug_frames, &do_debug_frames, 1 }, |
657d0d47 | 6833 | { { ".debug_macinfo", ".zdebug_macinfo", NULL, NULL, 0, 0, 0 }, |
4723351a | 6834 | display_debug_macinfo, &do_debug_macinfo, 0 }, |
657d0d47 | 6835 | { { ".debug_macro", ".zdebug_macro", NULL, NULL, 0, 0, 0 }, |
4723351a | 6836 | display_debug_macro, &do_debug_macinfo, 1 }, |
657d0d47 | 6837 | { { ".debug_str", ".zdebug_str", NULL, NULL, 0, 0, 0 }, |
4723351a | 6838 | display_debug_str, &do_debug_str, 0 }, |
657d0d47 | 6839 | { { ".debug_loc", ".zdebug_loc", NULL, NULL, 0, 0, 0 }, |
4723351a | 6840 | display_debug_loc, &do_debug_loc, 1 }, |
657d0d47 | 6841 | { { ".debug_pubtypes", ".zdebug_pubtypes", NULL, NULL, 0, 0, 0 }, |
4723351a | 6842 | display_debug_pubnames, &do_debug_pubtypes, 0 }, |
459d52c8 DE |
6843 | { { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NULL, NULL, 0, 0, 0 }, |
6844 | display_debug_gnu_pubnames, &do_debug_pubtypes, 0 }, | |
657d0d47 | 6845 | { { ".debug_ranges", ".zdebug_ranges", NULL, NULL, 0, 0, 0 }, |
4723351a | 6846 | display_debug_ranges, &do_debug_ranges, 1 }, |
657d0d47 | 6847 | { { ".debug_static_func", ".zdebug_static_func", NULL, NULL, 0, 0, 0 }, |
4723351a | 6848 | display_debug_not_supported, NULL, 0 }, |
657d0d47 | 6849 | { { ".debug_static_vars", ".zdebug_static_vars", NULL, NULL, 0, 0, 0 }, |
4723351a CC |
6850 | display_debug_not_supported, NULL, 0 }, |
6851 | { { ".debug_types", ".zdebug_types", NULL, NULL, 0, 0, abbrev }, | |
6852 | display_debug_types, &do_debug_info, 1 }, | |
657d0d47 | 6853 | { { ".debug_weaknames", ".zdebug_weaknames", NULL, NULL, 0, 0, 0 }, |
4723351a | 6854 | display_debug_not_supported, NULL, 0 }, |
657d0d47 CC |
6855 | { { ".gdb_index", "", NULL, NULL, 0, 0, 0 }, |
6856 | display_gdb_index, &do_gdb_index, 0 }, | |
4723351a | 6857 | { { ".trace_info", "", NULL, NULL, 0, 0, trace_abbrev }, |
657d0d47 CC |
6858 | display_trace_info, &do_trace_info, 1 }, |
6859 | { { ".trace_abbrev", "", NULL, NULL, 0, 0, 0 }, | |
6860 | display_debug_abbrev, &do_trace_abbrevs, 0 }, | |
6861 | { { ".trace_aranges", "", NULL, NULL, 0, 0, 0 }, | |
6862 | display_debug_aranges, &do_trace_aranges, 0 }, | |
4723351a | 6863 | { { ".debug_info.dwo", ".zdebug_info.dwo", NULL, NULL, 0, 0, abbrev_dwo }, |
657d0d47 CC |
6864 | display_debug_info, &do_debug_info, 1 }, |
6865 | { { ".debug_abbrev.dwo", ".zdebug_abbrev.dwo", NULL, NULL, 0, 0, 0 }, | |
6866 | display_debug_abbrev, &do_debug_abbrevs, 0 }, | |
4723351a | 6867 | { { ".debug_types.dwo", ".zdebug_types.dwo", NULL, NULL, 0, 0, abbrev_dwo }, |
657d0d47 CC |
6868 | display_debug_types, &do_debug_info, 1 }, |
6869 | { { ".debug_line.dwo", ".zdebug_line.dwo", NULL, NULL, 0, 0, 0 }, | |
6870 | display_debug_lines, &do_debug_lines, 1 }, | |
6871 | { { ".debug_loc.dwo", ".zdebug_loc.dwo", NULL, NULL, 0, 0, 0 }, | |
4723351a | 6872 | display_debug_loc, &do_debug_loc, 1 }, |
657d0d47 | 6873 | { { ".debug_macro.dwo", ".zdebug_macro.dwo", NULL, NULL, 0, 0, 0 }, |
4723351a | 6874 | display_debug_macro, &do_debug_macinfo, 1 }, |
657d0d47 | 6875 | { { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo", NULL, NULL, 0, 0, 0 }, |
4723351a | 6876 | display_debug_macinfo, &do_debug_macinfo, 0 }, |
657d0d47 CC |
6877 | { { ".debug_str.dwo", ".zdebug_str.dwo", NULL, NULL, 0, 0, 0 }, |
6878 | display_debug_str, &do_debug_str, 1 }, | |
6879 | { { ".debug_str_offsets", ".zdebug_str_offsets", NULL, NULL, 0, 0, 0 }, | |
4723351a | 6880 | display_debug_str_offsets, NULL, 0 }, |
657d0d47 | 6881 | { { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo", NULL, NULL, 0, 0, 0 }, |
4723351a | 6882 | display_debug_str_offsets, NULL, 0 }, |
657d0d47 CC |
6883 | { { ".debug_addr", ".zdebug_addr", NULL, NULL, 0, 0, 0 }, |
6884 | display_debug_addr, &do_debug_addr, 1 }, | |
6885 | { { ".debug_cu_index", "", NULL, NULL, 0, 0, 0 }, | |
6886 | display_cu_index, &do_debug_cu_index, 0 }, | |
6887 | { { ".debug_tu_index", "", NULL, NULL, 0, 0, 0 }, | |
6888 | display_cu_index, &do_debug_cu_index, 0 }, | |
19e6b90e | 6889 | }; |