Commit | Line | Data |
---|---|---|
bd5635a1 | 1 | /* Symbol table lookup for the GNU debugger, GDB. |
35a25840 SG |
2 | Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992 |
3 | Free Software Foundation, Inc. | |
bd5635a1 RP |
4 | |
5 | This file is part of GDB. | |
6 | ||
997a978c | 7 | This program is free software; you can redistribute it and/or modify |
bd5635a1 | 8 | it under the terms of the GNU General Public License as published by |
997a978c JG |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. | |
bd5635a1 | 11 | |
997a978c | 12 | This program is distributed in the hope that it will be useful, |
bd5635a1 RP |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
997a978c JG |
18 | along with this program; if not, write to the Free Software |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
bd5635a1 | 20 | |
bd5635a1 RP |
21 | #include "defs.h" |
22 | #include "symtab.h" | |
cba0d141 | 23 | #include "gdbtypes.h" |
bd5635a1 RP |
24 | #include "gdbcore.h" |
25 | #include "frame.h" | |
26 | #include "target.h" | |
27 | #include "value.h" | |
28 | #include "symfile.h" | |
35a25840 | 29 | #include "objfiles.h" |
bd5635a1 | 30 | #include "gdbcmd.h" |
35a25840 | 31 | #include "call-cmds.h" |
5594d534 | 32 | #include "regex.h" |
cba0d141 | 33 | #include "expression.h" |
997a978c | 34 | #include "language.h" |
f70be3e4 | 35 | #include "demangle.h" |
bd5635a1 RP |
36 | |
37 | #include <obstack.h> | |
38 | #include <assert.h> | |
39 | ||
40 | #include <sys/types.h> | |
41 | #include <fcntl.h> | |
42 | #include <string.h> | |
43 | #include <sys/stat.h> | |
2cd99985 | 44 | #include <ctype.h> |
bd5635a1 | 45 | |
cba0d141 | 46 | /* Prototypes for local functions */ |
bd5635a1 | 47 | |
f70be3e4 JG |
48 | static char * |
49 | expensive_mangler PARAMS ((const char *)); | |
50 | ||
2cd99985 | 51 | extern int |
cba0d141 JG |
52 | find_methods PARAMS ((struct type *, char *, char **, struct symbol **)); |
53 | ||
54 | static void | |
f70be3e4 | 55 | completion_list_add_symbol PARAMS ((char *, char *, int)); |
cba0d141 JG |
56 | |
57 | static struct symtabs_and_lines | |
58 | decode_line_2 PARAMS ((struct symbol *[], int, int)); | |
59 | ||
60 | static void | |
35a25840 | 61 | rbreak_command PARAMS ((char *, int)); |
cba0d141 JG |
62 | |
63 | static void | |
35a25840 | 64 | types_info PARAMS ((char *, int)); |
cba0d141 JG |
65 | |
66 | static void | |
35a25840 | 67 | functions_info PARAMS ((char *, int)); |
cba0d141 JG |
68 | |
69 | static void | |
35a25840 | 70 | variables_info PARAMS ((char *, int)); |
cba0d141 JG |
71 | |
72 | static void | |
35a25840 | 73 | sources_info PARAMS ((char *, int)); |
cba0d141 JG |
74 | |
75 | static void | |
35a25840 | 76 | list_symbols PARAMS ((char *, int, int)); |
cba0d141 JG |
77 | |
78 | static void | |
79 | output_source_filename PARAMS ((char *, int *)); | |
80 | ||
81 | static char * | |
82 | operator_chars PARAMS ((char *, char **)); | |
83 | ||
84 | static int | |
85 | find_line_common PARAMS ((struct linetable *, int, int *)); | |
86 | ||
87 | static struct partial_symbol * | |
88 | lookup_partial_symbol PARAMS ((struct partial_symtab *, const char *, | |
89 | int, enum namespace)); | |
90 | ||
91 | static struct partial_symbol * | |
92 | lookup_demangled_partial_symbol PARAMS ((const struct partial_symtab *, | |
93 | const char *)); | |
94 | ||
95 | static struct symbol * | |
96 | lookup_demangled_block_symbol PARAMS ((const struct block *, const char *)); | |
bd5635a1 | 97 | |
cba0d141 JG |
98 | static struct symtab * |
99 | lookup_symtab_1 PARAMS ((char *)); | |
100 | ||
101 | /* */ | |
bd5635a1 | 102 | |
997a978c | 103 | /* The single non-language-specific builtin type */ |
bd5635a1 RP |
104 | struct type *builtin_type_error; |
105 | ||
106 | /* Block in which the most recently searched-for symbol was found. | |
107 | Might be better to make this a parameter to lookup_symbol and | |
108 | value_of_this. */ | |
cba0d141 JG |
109 | |
110 | const struct block *block_found; | |
bd5635a1 RP |
111 | |
112 | char no_symtab_msg[] = "No symbol table is loaded. Use the \"file\" command."; | |
113 | ||
f70be3e4 JG |
114 | /* While the C++ support is still in flux, issue a possibly helpful hint on |
115 | using the new command completion feature on single quoted demangled C++ | |
116 | symbols. Remove when loose ends are cleaned up. FIXME -fnf */ | |
117 | ||
118 | void | |
119 | cplusplus_hint (name) | |
120 | char *name; | |
121 | { | |
122 | printf ("Hint: try '%s<TAB> or '%s<ESC-?>\n", name, name); | |
123 | printf ("(Note leading single quote.)\n"); | |
124 | } | |
125 | ||
bd5635a1 RP |
126 | /* Check for a symtab of a specific name; first in symtabs, then in |
127 | psymtabs. *If* there is no '/' in the name, a match after a '/' | |
128 | in the symtab filename will also work. */ | |
129 | ||
130 | static struct symtab * | |
131 | lookup_symtab_1 (name) | |
132 | char *name; | |
133 | { | |
134 | register struct symtab *s; | |
135 | register struct partial_symtab *ps; | |
35a25840 | 136 | register char *slash; |
cba0d141 | 137 | register struct objfile *objfile; |
bd5635a1 | 138 | |
784fd92b | 139 | got_symtab: |
35a25840 | 140 | |
784fd92b SG |
141 | /* First, search for an exact match */ |
142 | ||
143 | ALL_SYMTABS (objfile, s) | |
144 | if (strcmp (name, s->filename) == 0) | |
145 | return s; | |
35a25840 SG |
146 | |
147 | slash = strchr (name, '/'); | |
784fd92b SG |
148 | |
149 | /* Now, search for a matching tail (only if name doesn't have any dirs) */ | |
35a25840 | 150 | |
bd5635a1 | 151 | if (!slash) |
784fd92b SG |
152 | ALL_SYMTABS (objfile, s) |
153 | { | |
154 | char *p = s -> filename; | |
155 | char *tail = strrchr (p, '/'); | |
156 | ||
157 | if (tail) | |
158 | p = tail + 1; | |
159 | ||
160 | if (strcmp (p, name) == 0) | |
161 | return s; | |
162 | } | |
163 | ||
164 | /* Same search rules as above apply here, but now we look thru the | |
165 | psymtabs. */ | |
166 | ||
167 | ALL_PSYMTABS (objfile, ps) | |
168 | if (strcmp (name, ps -> filename) == 0) | |
169 | goto got_psymtab; | |
170 | ||
171 | if (!slash) | |
172 | ALL_PSYMTABS (objfile, ps) | |
173 | { | |
174 | char *p = ps -> filename; | |
175 | char *tail = strrchr (p, '/'); | |
176 | ||
177 | if (tail) | |
178 | p = tail + 1; | |
179 | ||
180 | if (strcmp (p, name) == 0) | |
181 | goto got_psymtab; | |
182 | } | |
bd5635a1 | 183 | |
cba0d141 | 184 | return (NULL); |
784fd92b SG |
185 | |
186 | got_psymtab: | |
187 | ||
188 | if (ps -> readin) | |
35fcebce PB |
189 | error ("Internal: readin %s pst for `%s' found when no symtab found.", |
190 | ps -> filename, name); | |
784fd92b SG |
191 | |
192 | s = PSYMTAB_TO_SYMTAB (ps); | |
193 | ||
194 | if (s) | |
195 | return s; | |
196 | ||
197 | /* At this point, we have located the psymtab for this file, but | |
198 | the conversion to a symtab has failed. This usually happens | |
199 | when we are looking up an include file. In this case, | |
200 | PSYMTAB_TO_SYMTAB doesn't return a symtab, even though one has | |
201 | been created. So, we need to run through the symtabs again in | |
202 | order to find the file. | |
203 | XXX - This is a crock, and should be fixed inside of the the | |
204 | symbol parsing routines. */ | |
205 | goto got_symtab; | |
bd5635a1 RP |
206 | } |
207 | ||
208 | /* Lookup the symbol table of a source file named NAME. Try a couple | |
209 | of variations if the first lookup doesn't work. */ | |
210 | ||
211 | struct symtab * | |
212 | lookup_symtab (name) | |
213 | char *name; | |
214 | { | |
215 | register struct symtab *s; | |
216 | register char *copy; | |
217 | ||
218 | s = lookup_symtab_1 (name); | |
219 | if (s) return s; | |
220 | ||
221 | /* If name not found as specified, see if adding ".c" helps. */ | |
222 | ||
223 | copy = (char *) alloca (strlen (name) + 3); | |
224 | strcpy (copy, name); | |
225 | strcat (copy, ".c"); | |
226 | s = lookup_symtab_1 (copy); | |
227 | if (s) return s; | |
228 | ||
229 | /* We didn't find anything; die. */ | |
230 | return 0; | |
231 | } | |
232 | ||
233 | /* Lookup the partial symbol table of a source file named NAME. This | |
234 | only returns true on an exact match (ie. this semantics are | |
235 | different from lookup_symtab. */ | |
236 | ||
237 | struct partial_symtab * | |
238 | lookup_partial_symtab (name) | |
239 | char *name; | |
240 | { | |
cba0d141 JG |
241 | register struct partial_symtab *pst; |
242 | register struct objfile *objfile; | |
bd5635a1 | 243 | |
35a25840 | 244 | ALL_PSYMTABS (objfile, pst) |
bd5635a1 | 245 | { |
35a25840 | 246 | if (strcmp (name, pst -> filename) == 0) |
bd5635a1 | 247 | { |
35a25840 | 248 | return (pst); |
bd5635a1 | 249 | } |
35a25840 | 250 | } |
cba0d141 | 251 | return (NULL); |
bd5635a1 | 252 | } |
cba0d141 | 253 | \f |
bd5635a1 RP |
254 | /* Demangle a GDB method stub type. */ |
255 | char * | |
bcccec8c | 256 | gdb_mangle_name (type, i, j) |
bd5635a1 | 257 | struct type *type; |
bcccec8c | 258 | int i, j; |
bd5635a1 | 259 | { |
bcccec8c PB |
260 | int mangled_name_len; |
261 | char *mangled_name; | |
262 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); | |
263 | struct fn_field *method = &f[j]; | |
264 | char *field_name = TYPE_FN_FIELDLIST_NAME (type, i); | |
8050a57b | 265 | char *physname = TYPE_FN_FIELD_PHYSNAME (f, j); |
35fcebce PB |
266 | char *newname = type_name_no_tag (type); |
267 | int is_constructor = strcmp(field_name, newname) == 0; | |
268 | int is_destructor = is_constructor && physname[0] == '_' | |
269 | && physname[1] == CPLUS_MARKER && physname[2] == '_'; | |
bcccec8c | 270 | /* Need a new type prefix. */ |
bcccec8c PB |
271 | char *const_prefix = method->is_const ? "C" : ""; |
272 | char *volatile_prefix = method->is_volatile ? "V" : ""; | |
bcccec8c | 273 | char buf[20]; |
35fcebce PB |
274 | #ifndef GCC_MANGLE_BUG |
275 | int len = strlen (newname); | |
276 | ||
277 | if (is_destructor) | |
278 | { | |
279 | mangled_name = (char*) xmalloc(strlen(physname)+1); | |
280 | strcpy(mangled_name, physname); | |
281 | return mangled_name; | |
282 | } | |
283 | ||
284 | sprintf (buf, "__%s%s%d", const_prefix, volatile_prefix, len); | |
285 | mangled_name_len = ((is_constructor ? 0 : strlen (field_name)) | |
286 | + strlen (buf) + len | |
287 | + strlen (physname) | |
288 | + 1); | |
289 | ||
290 | /* Only needed for GNU-mangled names. ANSI-mangled names | |
291 | work with the normal mechanisms. */ | |
292 | if (OPNAME_PREFIX_P (field_name)) | |
293 | { | |
294 | char *opname = cplus_mangle_opname (field_name + 3, 0); | |
295 | if (opname == NULL) | |
296 | error ("No mangling for \"%s\"", field_name); | |
297 | mangled_name_len += strlen (opname); | |
298 | mangled_name = (char *)xmalloc (mangled_name_len); | |
299 | ||
300 | strncpy (mangled_name, field_name, 3); | |
301 | mangled_name[3] = '\0'; | |
302 | strcat (mangled_name, opname); | |
303 | } | |
304 | else | |
305 | { | |
306 | mangled_name = (char *)xmalloc (mangled_name_len); | |
307 | if (is_constructor) | |
308 | mangled_name[0] = '\0'; | |
309 | else | |
310 | strcpy (mangled_name, field_name); | |
311 | } | |
312 | strcat (mangled_name, buf); | |
313 | strcat (mangled_name, newname); | |
314 | #else | |
315 | char *opname; | |
bcccec8c | 316 | |
8050a57b FF |
317 | if (is_constructor) |
318 | { | |
319 | buf[0] = '\0'; | |
320 | } | |
321 | else | |
322 | { | |
323 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); | |
324 | } | |
325 | ||
7c4f3f4a | 326 | mangled_name_len = ((is_constructor ? 0 : strlen (field_name)) |
8050a57b | 327 | + strlen (buf) + strlen (physname) + 1); |
bcccec8c | 328 | |
7d9884b9 JG |
329 | /* Only needed for GNU-mangled names. ANSI-mangled names |
330 | work with the normal mechanisms. */ | |
bcccec8c PB |
331 | if (OPNAME_PREFIX_P (field_name)) |
332 | { | |
8050a57b | 333 | opname = cplus_mangle_opname (field_name + 3, 0); |
bcccec8c | 334 | if (opname == NULL) |
8050a57b FF |
335 | { |
336 | error ("No mangling for \"%s\"", field_name); | |
337 | } | |
bcccec8c | 338 | mangled_name_len += strlen (opname); |
8050a57b | 339 | mangled_name = (char *) xmalloc (mangled_name_len); |
bcccec8c PB |
340 | |
341 | strncpy (mangled_name, field_name, 3); | |
8050a57b | 342 | strcpy (mangled_name + 3, opname); |
bcccec8c PB |
343 | } |
344 | else | |
bd5635a1 | 345 | { |
8050a57b | 346 | mangled_name = (char *) xmalloc (mangled_name_len); |
7c4f3f4a | 347 | if (is_constructor) |
8050a57b FF |
348 | { |
349 | mangled_name[0] = '\0'; | |
350 | } | |
7c4f3f4a | 351 | else |
8050a57b FF |
352 | { |
353 | strcpy (mangled_name, field_name); | |
354 | } | |
bd5635a1 | 355 | } |
bcccec8c | 356 | strcat (mangled_name, buf); |
bcccec8c | 357 | |
35fcebce PB |
358 | #endif |
359 | strcat (mangled_name, physname); | |
8050a57b | 360 | return (mangled_name); |
bd5635a1 RP |
361 | } |
362 | ||
cba0d141 JG |
363 | \f |
364 | /* Find which partial symtab on contains PC. Return 0 if none. */ | |
f1d77e90 | 365 | |
cba0d141 JG |
366 | struct partial_symtab * |
367 | find_pc_psymtab (pc) | |
368 | register CORE_ADDR pc; | |
d96b54ea | 369 | { |
cba0d141 JG |
370 | register struct partial_symtab *pst; |
371 | register struct objfile *objfile; | |
d96b54ea | 372 | |
35a25840 | 373 | ALL_PSYMTABS (objfile, pst) |
bd5635a1 | 374 | { |
c1878f87 SG |
375 | if (pc >= pst->textlow && pc < pst->texthigh) |
376 | return (pst); | |
bd5635a1 | 377 | } |
cba0d141 | 378 | return (NULL); |
bd5635a1 RP |
379 | } |
380 | ||
381 | /* Find which partial symbol within a psymtab contains PC. Return 0 | |
382 | if none. Check all psymtabs if PSYMTAB is 0. */ | |
383 | struct partial_symbol * | |
384 | find_pc_psymbol (psymtab, pc) | |
385 | struct partial_symtab *psymtab; | |
386 | CORE_ADDR pc; | |
387 | { | |
388 | struct partial_symbol *best, *p; | |
389 | CORE_ADDR best_pc; | |
390 | ||
391 | if (!psymtab) | |
392 | psymtab = find_pc_psymtab (pc); | |
393 | if (!psymtab) | |
394 | return 0; | |
395 | ||
396 | best_pc = psymtab->textlow - 1; | |
397 | ||
cba0d141 JG |
398 | for (p = psymtab->objfile->static_psymbols.list + psymtab->statics_offset; |
399 | (p - (psymtab->objfile->static_psymbols.list + psymtab->statics_offset) | |
bd5635a1 RP |
400 | < psymtab->n_static_syms); |
401 | p++) | |
402 | if (SYMBOL_NAMESPACE (p) == VAR_NAMESPACE | |
403 | && SYMBOL_CLASS (p) == LOC_BLOCK | |
404 | && pc >= SYMBOL_VALUE_ADDRESS (p) | |
405 | && SYMBOL_VALUE_ADDRESS (p) > best_pc) | |
406 | { | |
407 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
408 | best = p; | |
409 | } | |
410 | if (best_pc == psymtab->textlow - 1) | |
411 | return 0; | |
412 | return best; | |
413 | } | |
414 | ||
415 | \f | |
416 | /* Find the definition for a specified symbol name NAME | |
417 | in namespace NAMESPACE, visible from lexical block BLOCK. | |
418 | Returns the struct symbol pointer, or zero if no symbol is found. | |
419 | If SYMTAB is non-NULL, store the symbol table in which the | |
420 | symbol was found there, or NULL if not found. | |
421 | C++: if IS_A_FIELD_OF_THIS is nonzero on entry, check to see if | |
422 | NAME is a field of the current implied argument `this'. If so set | |
423 | *IS_A_FIELD_OF_THIS to 1, otherwise set it to zero. | |
424 | BLOCK_FOUND is set to the block in which NAME is found (in the case of | |
425 | a field of `this', value_of_this sets BLOCK_FOUND to the proper value.) */ | |
426 | ||
427 | struct symbol * | |
428 | lookup_symbol (name, block, namespace, is_a_field_of_this, symtab) | |
cba0d141 JG |
429 | const char *name; |
430 | register const struct block *block; | |
431 | const enum namespace namespace; | |
bd5635a1 RP |
432 | int *is_a_field_of_this; |
433 | struct symtab **symtab; | |
434 | { | |
435 | register struct symbol *sym; | |
436 | register struct symtab *s; | |
437 | register struct partial_symtab *ps; | |
438 | struct blockvector *bv; | |
cba0d141 JG |
439 | register struct objfile *objfile; |
440 | register struct block *b; | |
cba0d141 | 441 | register struct minimal_symbol *msymbol; |
f70be3e4 JG |
442 | char *temp; |
443 | extern char *gdb_completer_word_break_characters; | |
444 | ||
445 | /* If NAME contains any characters from gdb_completer_word_break_characters | |
446 | then it is probably from a quoted name string. So check to see if it | |
447 | has a C++ mangled equivalent, and if so, use the mangled equivalent. */ | |
448 | ||
449 | if (strpbrk (name, gdb_completer_word_break_characters) != NULL) | |
450 | { | |
451 | if ((temp = expensive_mangler (name)) != NULL) | |
452 | { | |
453 | name = temp; | |
454 | } | |
455 | } | |
bd5635a1 RP |
456 | |
457 | /* Search specified block and its superiors. */ | |
458 | ||
459 | while (block != 0) | |
460 | { | |
461 | sym = lookup_block_symbol (block, name, namespace); | |
462 | if (sym) | |
463 | { | |
464 | block_found = block; | |
465 | if (symtab != NULL) | |
466 | { | |
467 | /* Search the list of symtabs for one which contains the | |
468 | address of the start of this block. */ | |
35a25840 | 469 | ALL_SYMTABS (objfile, s) |
bd5635a1 | 470 | { |
35a25840 SG |
471 | bv = BLOCKVECTOR (s); |
472 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
473 | if (BLOCK_START (b) <= BLOCK_START (block) | |
474 | && BLOCK_END (b) > BLOCK_START (block)) | |
475 | goto found; | |
bd5635a1 | 476 | } |
35a25840 | 477 | found: |
bd5635a1 RP |
478 | *symtab = s; |
479 | } | |
480 | ||
cba0d141 | 481 | return (sym); |
bd5635a1 RP |
482 | } |
483 | block = BLOCK_SUPERBLOCK (block); | |
484 | } | |
485 | ||
b039ac3a JK |
486 | /* But that doesn't do any demangling for the STATIC_BLOCK. |
487 | I'm not sure whether demangling is needed in the case of | |
488 | nested function in inner blocks; if so this needs to be changed. | |
489 | ||
490 | Don't need to mess with the psymtabs; if we have a block, | |
491 | that file is read in. If we don't, then we deal later with | |
492 | all the psymtab stuff that needs checking. */ | |
493 | if (namespace == VAR_NAMESPACE && block != NULL) | |
494 | { | |
495 | struct block *b; | |
496 | /* Find the right symtab. */ | |
35a25840 | 497 | ALL_SYMTABS (objfile, s) |
b039ac3a | 498 | { |
35a25840 SG |
499 | bv = BLOCKVECTOR (s); |
500 | b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); | |
501 | if (BLOCK_START (b) <= BLOCK_START (block) | |
502 | && BLOCK_END (b) > BLOCK_START (block)) | |
b039ac3a | 503 | { |
35a25840 SG |
504 | sym = lookup_demangled_block_symbol (b, name); |
505 | if (sym) | |
b039ac3a | 506 | { |
35a25840 SG |
507 | block_found = b; |
508 | if (symtab != NULL) | |
509 | *symtab = s; | |
510 | return sym; | |
b039ac3a JK |
511 | } |
512 | } | |
513 | } | |
514 | } | |
515 | ||
516 | ||
bd5635a1 RP |
517 | /* C++: If requested to do so by the caller, |
518 | check to see if NAME is a field of `this'. */ | |
519 | if (is_a_field_of_this) | |
520 | { | |
521 | struct value *v = value_of_this (0); | |
522 | ||
523 | *is_a_field_of_this = 0; | |
524 | if (v && check_field (v, name)) | |
525 | { | |
526 | *is_a_field_of_this = 1; | |
527 | if (symtab != NULL) | |
528 | *symtab = NULL; | |
529 | return 0; | |
530 | } | |
531 | } | |
532 | ||
533 | /* Now search all global blocks. Do the symtab's first, then | |
534 | check the psymtab's */ | |
cba0d141 | 535 | |
35a25840 | 536 | ALL_SYMTABS (objfile, s) |
bd5635a1 | 537 | { |
35a25840 SG |
538 | bv = BLOCKVECTOR (s); |
539 | block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
540 | sym = lookup_block_symbol (block, name, namespace); | |
541 | if (sym) | |
bd5635a1 | 542 | { |
35a25840 SG |
543 | block_found = block; |
544 | if (symtab != NULL) | |
545 | *symtab = s; | |
546 | return sym; | |
bd5635a1 RP |
547 | } |
548 | } | |
549 | ||
550 | /* Check for the possibility of the symbol being a global function | |
cba0d141 | 551 | that is stored in one of the minimal symbol tables. Eventually, all |
bd5635a1 RP |
552 | global symbols might be resolved in this way. */ |
553 | ||
554 | if (namespace == VAR_NAMESPACE) | |
555 | { | |
cba0d141 | 556 | msymbol = lookup_minimal_symbol (name, (struct objfile *) NULL); |
35a25840 | 557 | |
cba0d141 | 558 | if (msymbol == NULL) |
bd5635a1 | 559 | { |
35a25840 SG |
560 | /* Test each minimal symbol to see if the minimal symbol's name |
561 | is a C++ mangled name that matches a user visible name. */ | |
562 | ||
35a25840 SG |
563 | char *demangled; |
564 | ||
565 | ALL_MSYMBOLS (objfile, msymbol) | |
566 | { | |
35fcebce PB |
567 | demangled = demangle_and_match (msymbol -> name, name, |
568 | DMGL_PARAMS | DMGL_ANSI); | |
f70be3e4 | 569 | if (demangled != NULL) |
35a25840 | 570 | { |
f70be3e4 JG |
571 | free (demangled); |
572 | goto found_msym; | |
35a25840 SG |
573 | } |
574 | } | |
f70be3e4 | 575 | msymbol = NULL; /* Not found */ |
bd5635a1 | 576 | } |
35a25840 SG |
577 | |
578 | found_msym: | |
f70be3e4 | 579 | if (msymbol != NULL) |
bd5635a1 | 580 | { |
cba0d141 | 581 | s = find_pc_symtab (msymbol -> address); |
318bf84f | 582 | /* If S is NULL, there are no debug symbols for this file. |
997a978c | 583 | Skip this stuff and check for matching static symbols below. */ |
318bf84f | 584 | if (s != NULL) |
bd5635a1 RP |
585 | { |
586 | bv = BLOCKVECTOR (s); | |
3ba6a043 | 587 | block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); |
cba0d141 | 588 | sym = lookup_block_symbol (block, msymbol -> name, namespace); |
318bf84f | 589 | /* We kept static functions in minimal symbol table as well as |
818de002 | 590 | in static scope. We want to find them in the symbol table. */ |
818de002 PB |
591 | if (!sym) { |
592 | block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); | |
318bf84f FF |
593 | sym = lookup_block_symbol (block, msymbol -> name, |
594 | namespace); | |
818de002 | 595 | } |
818de002 | 596 | |
cba0d141 | 597 | /* sym == 0 if symbol was found in the minimal symbol table |
bd5635a1 | 598 | but not in the symtab. |
cba0d141 | 599 | Return 0 to use the msymbol definition of "foo_". |
bd5635a1 RP |
600 | |
601 | This happens for Fortran "foo_" symbols, | |
602 | which are "foo" in the symtab. | |
603 | ||
604 | This can also happen if "asm" is used to make a | |
605 | regular symbol but not a debugging symbol, e.g. | |
606 | asm(".globl _main"); | |
607 | asm("_main:"); | |
608 | */ | |
609 | ||
610 | if (symtab != NULL) | |
611 | *symtab = s; | |
612 | return sym; | |
613 | } | |
614 | } | |
615 | } | |
616 | ||
35a25840 | 617 | ALL_PSYMTABS (objfile, ps) |
cba0d141 | 618 | { |
35a25840 | 619 | if (!ps->readin && lookup_partial_symbol (ps, name, 1, namespace)) |
cba0d141 | 620 | { |
35a25840 SG |
621 | s = PSYMTAB_TO_SYMTAB(ps); |
622 | bv = BLOCKVECTOR (s); | |
623 | block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
624 | sym = lookup_block_symbol (block, name, namespace); | |
625 | if (!sym) | |
35fcebce | 626 | error ("Internal: global symbol `%s' found in %s psymtab but not in symtab", name, ps->filename); |
35a25840 SG |
627 | if (symtab != NULL) |
628 | *symtab = s; | |
629 | return sym; | |
cba0d141 JG |
630 | } |
631 | } | |
bd5635a1 RP |
632 | |
633 | /* Now search all per-file blocks. | |
634 | Not strictly correct, but more useful than an error. | |
635 | Do the symtabs first, then check the psymtabs */ | |
636 | ||
35a25840 | 637 | ALL_SYMTABS (objfile, s) |
bd5635a1 | 638 | { |
35a25840 SG |
639 | bv = BLOCKVECTOR (s); |
640 | block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); | |
641 | sym = lookup_block_symbol (block, name, namespace); | |
642 | if (sym) | |
bd5635a1 | 643 | { |
35a25840 SG |
644 | block_found = block; |
645 | if (symtab != NULL) | |
646 | *symtab = s; | |
647 | return sym; | |
648 | } | |
649 | } | |
650 | ||
651 | ALL_PSYMTABS (objfile, ps) | |
652 | { | |
653 | if (!ps->readin && lookup_partial_symbol (ps, name, 0, namespace)) | |
654 | { | |
655 | s = PSYMTAB_TO_SYMTAB(ps); | |
cba0d141 JG |
656 | bv = BLOCKVECTOR (s); |
657 | block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); | |
658 | sym = lookup_block_symbol (block, name, namespace); | |
35a25840 | 659 | if (!sym) |
35fcebce | 660 | error ("Internal: static symbol `%s' found in %s psymtab but not in symtab", name, ps->filename); |
35a25840 SG |
661 | if (symtab != NULL) |
662 | *symtab = s; | |
663 | return sym; | |
664 | } | |
665 | } | |
666 | ||
667 | /* Now search all per-file blocks for static mangled symbols. | |
668 | Do the symtabs first, then check the psymtabs. */ | |
669 | ||
670 | if (namespace == VAR_NAMESPACE) | |
671 | { | |
672 | ALL_SYMTABS (objfile, s) | |
673 | { | |
674 | bv = BLOCKVECTOR (s); | |
675 | block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); | |
676 | sym = lookup_demangled_block_symbol (block, name); | |
cba0d141 JG |
677 | if (sym) |
678 | { | |
679 | block_found = block; | |
680 | if (symtab != NULL) | |
681 | *symtab = s; | |
682 | return sym; | |
683 | } | |
bd5635a1 | 684 | } |
bd5635a1 | 685 | |
35a25840 | 686 | ALL_PSYMTABS (objfile, ps) |
cba0d141 | 687 | { |
35a25840 | 688 | if (!ps->readin && lookup_demangled_partial_symbol (ps, name)) |
cba0d141 JG |
689 | { |
690 | s = PSYMTAB_TO_SYMTAB(ps); | |
691 | bv = BLOCKVECTOR (s); | |
692 | block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); | |
35a25840 | 693 | sym = lookup_demangled_block_symbol (block, name); |
cba0d141 | 694 | if (!sym) |
35fcebce | 695 | error ("Internal: mangled static symbol `%s' found in %s psymtab but not in symtab", name, ps->filename); |
cba0d141 JG |
696 | if (symtab != NULL) |
697 | *symtab = s; | |
698 | return sym; | |
699 | } | |
700 | } | |
701 | } | |
bd5635a1 RP |
702 | |
703 | if (symtab != NULL) | |
704 | *symtab = NULL; | |
705 | return 0; | |
706 | } | |
707 | ||
b039ac3a JK |
708 | /* Look for a static demangled symbol in block BLOCK. */ |
709 | ||
710 | static struct symbol * | |
711 | lookup_demangled_block_symbol (block, name) | |
cba0d141 JG |
712 | register const struct block *block; |
713 | const char *name; | |
b039ac3a | 714 | { |
f70be3e4 | 715 | register int bot, top; |
b039ac3a | 716 | register struct symbol *sym; |
f70be3e4 | 717 | char *demangled; |
b039ac3a JK |
718 | |
719 | bot = 0; | |
720 | top = BLOCK_NSYMS (block); | |
b039ac3a JK |
721 | |
722 | while (bot < top) | |
723 | { | |
724 | sym = BLOCK_SYM (block, bot); | |
f70be3e4 | 725 | if (SYMBOL_NAMESPACE (sym) == VAR_NAMESPACE) |
b039ac3a | 726 | { |
35fcebce PB |
727 | demangled = demangle_and_match (SYMBOL_NAME (sym), name, |
728 | DMGL_PARAMS | DMGL_ANSI); | |
b039ac3a JK |
729 | if (demangled != NULL) |
730 | { | |
b039ac3a | 731 | free (demangled); |
f70be3e4 | 732 | return (sym); |
b039ac3a JK |
733 | } |
734 | } | |
735 | bot++; | |
736 | } | |
737 | ||
f70be3e4 | 738 | return (NULL); |
b039ac3a JK |
739 | } |
740 | ||
741 | /* Look, in partial_symtab PST, for static mangled symbol NAME. */ | |
742 | ||
743 | static struct partial_symbol * | |
744 | lookup_demangled_partial_symbol (pst, name) | |
cba0d141 JG |
745 | const struct partial_symtab *pst; |
746 | const char *name; | |
b039ac3a JK |
747 | { |
748 | struct partial_symbol *start, *psym; | |
749 | int length = pst->n_static_syms; | |
f70be3e4 | 750 | char *demangled; |
b039ac3a JK |
751 | |
752 | if (!length) | |
753 | return (struct partial_symbol *) 0; | |
754 | ||
cba0d141 | 755 | start = pst->objfile->static_psymbols.list + pst->statics_offset; |
b039ac3a JK |
756 | for (psym = start; psym < start + length; psym++) |
757 | { | |
f70be3e4 | 758 | if (SYMBOL_NAMESPACE (psym) == VAR_NAMESPACE) |
b039ac3a | 759 | { |
35fcebce PB |
760 | demangled = demangle_and_match (SYMBOL_NAME (psym), name, |
761 | DMGL_PARAMS | DMGL_ANSI); | |
b039ac3a JK |
762 | if (demangled != NULL) |
763 | { | |
b039ac3a | 764 | free (demangled); |
f70be3e4 | 765 | return (psym); |
b039ac3a JK |
766 | } |
767 | } | |
768 | } | |
769 | ||
f70be3e4 | 770 | return (NULL); |
b039ac3a JK |
771 | } |
772 | ||
bd5635a1 RP |
773 | /* Look, in partial_symtab PST, for symbol NAME. Check the global |
774 | symbols if GLOBAL, the static symbols if not */ | |
775 | ||
776 | static struct partial_symbol * | |
777 | lookup_partial_symbol (pst, name, global, namespace) | |
778 | struct partial_symtab *pst; | |
cba0d141 | 779 | const char *name; |
bd5635a1 RP |
780 | int global; |
781 | enum namespace namespace; | |
782 | { | |
783 | struct partial_symbol *start, *psym; | |
784 | int length = (global ? pst->n_global_syms : pst->n_static_syms); | |
785 | ||
786 | if (!length) | |
787 | return (struct partial_symbol *) 0; | |
788 | ||
789 | start = (global ? | |
cba0d141 JG |
790 | pst->objfile->global_psymbols.list + pst->globals_offset : |
791 | pst->objfile->static_psymbols.list + pst->statics_offset ); | |
bd5635a1 RP |
792 | |
793 | if (global) /* This means we can use a binary */ | |
794 | /* search. */ | |
795 | { | |
796 | struct partial_symbol *top, *bottom, *center; | |
797 | ||
798 | /* Binary search. This search is guaranteed to end with center | |
799 | pointing at the earliest partial symbol with the correct | |
800 | name. At that point *all* partial symbols with that name | |
801 | will be checked against the correct namespace. */ | |
802 | bottom = start; | |
803 | top = start + length - 1; | |
804 | while (top > bottom) | |
805 | { | |
806 | center = bottom + (top - bottom) / 2; | |
807 | ||
808 | assert (center < top); | |
809 | ||
810 | if (strcmp (SYMBOL_NAME (center), name) >= 0) | |
811 | top = center; | |
812 | else | |
813 | bottom = center + 1; | |
814 | } | |
815 | assert (top == bottom); | |
816 | ||
817 | while (!strcmp (SYMBOL_NAME (top), name)) | |
818 | { | |
819 | if (SYMBOL_NAMESPACE (top) == namespace) | |
820 | return top; | |
821 | top ++; | |
822 | } | |
823 | } | |
824 | else | |
825 | { | |
826 | /* Can't use a binary search */ | |
827 | for (psym = start; psym < start + length; psym++) | |
828 | if (namespace == SYMBOL_NAMESPACE (psym) | |
829 | && !strcmp (name, SYMBOL_NAME (psym))) | |
830 | return psym; | |
831 | } | |
832 | ||
833 | return (struct partial_symbol *) 0; | |
834 | } | |
835 | ||
0e2a896c | 836 | /* Find the psymtab containing main(). */ |
c1878f87 SG |
837 | /* FIXME: What about languages without main() or specially linked |
838 | executables that have no main() ? */ | |
0e2a896c PB |
839 | |
840 | struct partial_symtab * | |
841 | find_main_psymtab () | |
842 | { | |
843 | register struct partial_symtab *pst; | |
cba0d141 JG |
844 | register struct objfile *objfile; |
845 | ||
35a25840 | 846 | ALL_PSYMTABS (objfile, pst) |
cba0d141 | 847 | { |
35a25840 | 848 | if (lookup_partial_symbol (pst, "main", 1, VAR_NAMESPACE)) |
cba0d141 | 849 | { |
35a25840 | 850 | return (pst); |
cba0d141 JG |
851 | } |
852 | } | |
853 | return (NULL); | |
0e2a896c PB |
854 | } |
855 | ||
bd5635a1 RP |
856 | /* Look for a symbol in block BLOCK. */ |
857 | ||
858 | struct symbol * | |
859 | lookup_block_symbol (block, name, namespace) | |
cba0d141 JG |
860 | register const struct block *block; |
861 | const char *name; | |
862 | const enum namespace namespace; | |
bd5635a1 RP |
863 | { |
864 | register int bot, top, inc; | |
865 | register struct symbol *sym, *parameter_sym; | |
866 | ||
867 | top = BLOCK_NSYMS (block); | |
868 | bot = 0; | |
869 | ||
870 | /* If the blocks's symbols were sorted, start with a binary search. */ | |
871 | ||
872 | if (BLOCK_SHOULD_SORT (block)) | |
873 | { | |
874 | /* First, advance BOT to not far before | |
875 | the first symbol whose name is NAME. */ | |
876 | ||
877 | while (1) | |
878 | { | |
879 | inc = (top - bot + 1); | |
880 | /* No need to keep binary searching for the last few bits worth. */ | |
881 | if (inc < 4) | |
882 | break; | |
883 | inc = (inc >> 1) + bot; | |
884 | sym = BLOCK_SYM (block, inc); | |
885 | if (SYMBOL_NAME (sym)[0] < name[0]) | |
886 | bot = inc; | |
887 | else if (SYMBOL_NAME (sym)[0] > name[0]) | |
888 | top = inc; | |
889 | else if (strcmp (SYMBOL_NAME (sym), name) < 0) | |
890 | bot = inc; | |
891 | else | |
892 | top = inc; | |
893 | } | |
894 | ||
895 | /* Now scan forward until we run out of symbols, | |
896 | find one whose name is greater than NAME, | |
897 | or find one we want. | |
898 | If there is more than one symbol with the right name and namespace, | |
899 | we return the first one. dbxread.c is careful to make sure | |
900 | that if one is a register then it comes first. */ | |
901 | ||
902 | top = BLOCK_NSYMS (block); | |
903 | while (bot < top) | |
904 | { | |
905 | sym = BLOCK_SYM (block, bot); | |
906 | inc = SYMBOL_NAME (sym)[0] - name[0]; | |
907 | if (inc == 0) | |
908 | inc = strcmp (SYMBOL_NAME (sym), name); | |
909 | if (inc == 0 && SYMBOL_NAMESPACE (sym) == namespace) | |
910 | return sym; | |
911 | if (inc > 0) | |
912 | return 0; | |
913 | bot++; | |
914 | } | |
915 | return 0; | |
916 | } | |
917 | ||
918 | /* Here if block isn't sorted. | |
919 | This loop is equivalent to the loop above, | |
920 | but hacked greatly for speed. | |
921 | ||
922 | Note that parameter symbols do not always show up last in the | |
923 | list; this loop makes sure to take anything else other than | |
924 | parameter symbols first; it only uses parameter symbols as a | |
925 | last resort. Note that this only takes up extra computation | |
926 | time on a match. */ | |
927 | ||
928 | parameter_sym = (struct symbol *) 0; | |
929 | top = BLOCK_NSYMS (block); | |
930 | inc = name[0]; | |
931 | while (bot < top) | |
932 | { | |
933 | sym = BLOCK_SYM (block, bot); | |
934 | if (SYMBOL_NAME (sym)[0] == inc | |
935 | && !strcmp (SYMBOL_NAME (sym), name) | |
936 | && SYMBOL_NAMESPACE (sym) == namespace) | |
937 | { | |
938 | if (SYMBOL_CLASS (sym) == LOC_ARG | |
939 | || SYMBOL_CLASS (sym) == LOC_LOCAL_ARG | |
940 | || SYMBOL_CLASS (sym) == LOC_REF_ARG | |
941 | || SYMBOL_CLASS (sym) == LOC_REGPARM) | |
942 | parameter_sym = sym; | |
943 | else | |
944 | return sym; | |
945 | } | |
946 | bot++; | |
947 | } | |
948 | return parameter_sym; /* Will be 0 if not found. */ | |
949 | } | |
950 | \f | |
951 | /* Return the symbol for the function which contains a specified | |
952 | lexical block, described by a struct block BL. */ | |
953 | ||
954 | struct symbol * | |
955 | block_function (bl) | |
956 | struct block *bl; | |
957 | { | |
958 | while (BLOCK_FUNCTION (bl) == 0 && BLOCK_SUPERBLOCK (bl) != 0) | |
959 | bl = BLOCK_SUPERBLOCK (bl); | |
960 | ||
961 | return BLOCK_FUNCTION (bl); | |
962 | } | |
963 | ||
c1878f87 SG |
964 | /* Find the symtab associated with PC. Look through the psymtabs and read in |
965 | another symtab if necessary. */ | |
bd5635a1 RP |
966 | |
967 | struct symtab * | |
968 | find_pc_symtab (pc) | |
969 | register CORE_ADDR pc; | |
970 | { | |
971 | register struct block *b; | |
972 | struct blockvector *bv; | |
45a655b0 | 973 | register struct symtab *s = NULL; |
bd5635a1 | 974 | register struct partial_symtab *ps; |
cba0d141 | 975 | register struct objfile *objfile; |
bd5635a1 RP |
976 | |
977 | /* Search all symtabs for one whose file contains our pc */ | |
978 | ||
35a25840 | 979 | ALL_SYMTABS (objfile, s) |
bd5635a1 | 980 | { |
35a25840 SG |
981 | bv = BLOCKVECTOR (s); |
982 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
983 | if (BLOCK_START (b) <= pc | |
984 | && BLOCK_END (b) > pc) | |
c1878f87 | 985 | return (s); |
bd5635a1 RP |
986 | } |
987 | ||
45a655b0 | 988 | s = NULL; |
c1878f87 SG |
989 | ps = find_pc_psymtab (pc); |
990 | if (ps) | |
bd5635a1 | 991 | { |
c1878f87 SG |
992 | if (ps->readin) |
993 | printf_filtered ("(Internal error: pc 0x%x in read in psymtab, but not in symtab.)\n", pc); | |
994 | s = PSYMTAB_TO_SYMTAB (ps); | |
bd5635a1 | 995 | } |
45a655b0 | 996 | return (s); |
bd5635a1 RP |
997 | } |
998 | ||
999 | /* Find the source file and line number for a given PC value. | |
1000 | Return a structure containing a symtab pointer, a line number, | |
1001 | and a pc range for the entire source line. | |
1002 | The value's .pc field is NOT the specified pc. | |
1003 | NOTCURRENT nonzero means, if specified pc is on a line boundary, | |
1004 | use the line that ends there. Otherwise, in that case, the line | |
1005 | that begins there is used. */ | |
1006 | ||
b638ca91 SG |
1007 | /* The big complication here is that a line may start in one file, and end just |
1008 | before the start of another file. This usually occurs when you #include | |
1009 | code in the middle of a subroutine. To properly find the end of a line's PC | |
1010 | range, we must search all symtabs associated with this compilation unit, and | |
1011 | find the one whose first PC is closer than that of the next line in this | |
1012 | symtab. | |
1013 | */ | |
1014 | ||
bd5635a1 RP |
1015 | struct symtab_and_line |
1016 | find_pc_line (pc, notcurrent) | |
1017 | CORE_ADDR pc; | |
1018 | int notcurrent; | |
1019 | { | |
1020 | struct symtab *s; | |
1021 | register struct linetable *l; | |
1022 | register int len; | |
1023 | register int i; | |
b638ca91 | 1024 | register struct linetable_entry *item; |
bd5635a1 RP |
1025 | struct symtab_and_line val; |
1026 | struct blockvector *bv; | |
1027 | ||
1028 | /* Info on best line seen so far, and where it starts, and its file. */ | |
1029 | ||
b638ca91 | 1030 | struct linetable_entry *best = NULL; |
bd5635a1 RP |
1031 | CORE_ADDR best_end = 0; |
1032 | struct symtab *best_symtab = 0; | |
1033 | ||
1034 | /* Store here the first line number | |
1035 | of a file which contains the line at the smallest pc after PC. | |
1036 | If we don't find a line whose range contains PC, | |
1037 | we will use a line one less than this, | |
1038 | with a range from the start of that file to the first line's pc. */ | |
b638ca91 | 1039 | struct linetable_entry *alt = NULL; |
bd5635a1 RP |
1040 | struct symtab *alt_symtab = 0; |
1041 | ||
1042 | /* Info on best line seen in this file. */ | |
1043 | ||
b638ca91 | 1044 | struct linetable_entry *prev; |
bd5635a1 RP |
1045 | |
1046 | /* If this pc is not from the current frame, | |
1047 | it is the address of the end of a call instruction. | |
1048 | Quite likely that is the start of the following statement. | |
1049 | But what we want is the statement containing the instruction. | |
1050 | Fudge the pc to make sure we get that. */ | |
1051 | ||
1052 | if (notcurrent) pc -= 1; | |
1053 | ||
1054 | s = find_pc_symtab (pc); | |
c1878f87 | 1055 | if (!s) |
bd5635a1 RP |
1056 | { |
1057 | val.symtab = 0; | |
1058 | val.line = 0; | |
1059 | val.pc = pc; | |
1060 | val.end = 0; | |
1061 | return val; | |
1062 | } | |
1063 | ||
1064 | bv = BLOCKVECTOR (s); | |
1065 | ||
1066 | /* Look at all the symtabs that share this blockvector. | |
1067 | They all have the same apriori range, that we found was right; | |
1068 | but they have different line tables. */ | |
1069 | ||
1070 | for (; s && BLOCKVECTOR (s) == bv; s = s->next) | |
1071 | { | |
1072 | /* Find the best line in this symtab. */ | |
1073 | l = LINETABLE (s); | |
4137c5fc JG |
1074 | if (!l) |
1075 | continue; | |
bd5635a1 | 1076 | len = l->nitems; |
c1878f87 SG |
1077 | if (len <= 0) |
1078 | { | |
1079 | fprintf (stderr, "Inconsistent line number info for %s\n", | |
1080 | s->filename); | |
1081 | continue; | |
1082 | } | |
1083 | ||
b638ca91 SG |
1084 | prev = NULL; |
1085 | item = l->item; /* Get first line info */ | |
c1878f87 SG |
1086 | |
1087 | /* Is this file's first line closer than the first lines of other files? | |
1088 | If so, record this file, and its first line, as best alternate. */ | |
b638ca91 | 1089 | if (item->pc > pc && (!alt || item->pc < alt->pc)) |
c1878f87 SG |
1090 | { |
1091 | alt = item; | |
1092 | alt_symtab = s; | |
1093 | } | |
1094 | ||
b638ca91 | 1095 | for (i = 0; i < len; i++, item++) |
bd5635a1 | 1096 | { |
bd5635a1 | 1097 | /* Return the last line that did not start after PC. */ |
b638ca91 | 1098 | if (item->pc > pc) |
bd5635a1 | 1099 | break; |
c1878f87 SG |
1100 | |
1101 | prev = item; | |
bd5635a1 RP |
1102 | } |
1103 | ||
c1878f87 SG |
1104 | /* At this point, prev points at the line whose start addr is <= pc, and |
1105 | item points at the next line. If we ran off the end of the linetable | |
1106 | (pc >= start of the last line), then prev == item. If pc < start of | |
1107 | the first line, prev will not be set. */ | |
1108 | ||
bd5635a1 RP |
1109 | /* Is this file's best line closer than the best in the other files? |
1110 | If so, record this file, and its best line, as best so far. */ | |
c1878f87 | 1111 | |
b638ca91 | 1112 | if (prev && (!best || prev->pc > best->pc)) |
bd5635a1 | 1113 | { |
c1878f87 | 1114 | best = prev; |
bd5635a1 | 1115 | best_symtab = s; |
cba0d141 JG |
1116 | /* If another line is in the linetable, and its PC is closer |
1117 | than the best_end we currently have, take it as best_end. */ | |
b638ca91 SG |
1118 | if (i < len && (best_end == 0 || best_end > item->pc)) |
1119 | best_end = item->pc; | |
bd5635a1 RP |
1120 | } |
1121 | } | |
c1878f87 SG |
1122 | |
1123 | if (!best_symtab) | |
bd5635a1 | 1124 | { |
c1878f87 SG |
1125 | if (!alt_symtab) |
1126 | { /* If we didn't find any line # info, just | |
1127 | return zeros. */ | |
1128 | val.symtab = 0; | |
1129 | val.line = 0; | |
1130 | val.pc = pc; | |
1131 | val.end = 0; | |
1132 | } | |
1133 | else | |
1134 | { | |
1135 | val.symtab = alt_symtab; | |
b638ca91 | 1136 | val.line = alt->line - 1; |
c1878f87 | 1137 | val.pc = BLOCK_END (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK)); |
b638ca91 | 1138 | val.end = alt->pc; |
c1878f87 | 1139 | } |
bd5635a1 RP |
1140 | } |
1141 | else | |
1142 | { | |
1143 | val.symtab = best_symtab; | |
b638ca91 SG |
1144 | val.line = best->line; |
1145 | val.pc = best->pc; | |
1146 | if (best_end && (!alt || best_end < alt->pc)) | |
cba0d141 | 1147 | val.end = best_end; |
a8a69e63 | 1148 | else if (alt) |
b638ca91 | 1149 | val.end = alt->pc; |
cba0d141 JG |
1150 | else |
1151 | val.end = BLOCK_END (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK)); | |
bd5635a1 RP |
1152 | } |
1153 | return val; | |
1154 | } | |
1155 | \f | |
1156 | /* Find the PC value for a given source file and line number. | |
1157 | Returns zero for invalid line number. | |
1158 | The source file is specified with a struct symtab. */ | |
1159 | ||
1160 | CORE_ADDR | |
1161 | find_line_pc (symtab, line) | |
1162 | struct symtab *symtab; | |
1163 | int line; | |
1164 | { | |
1165 | register struct linetable *l; | |
1166 | register int ind; | |
1167 | int dummy; | |
1168 | ||
1169 | if (symtab == 0) | |
1170 | return 0; | |
1171 | l = LINETABLE (symtab); | |
1172 | ind = find_line_common(l, line, &dummy); | |
b203fc18 | 1173 | return (ind >= 0) ? l->item[ind].pc : 0; |
bd5635a1 RP |
1174 | } |
1175 | ||
1176 | /* Find the range of pc values in a line. | |
1177 | Store the starting pc of the line into *STARTPTR | |
1178 | and the ending pc (start of next line) into *ENDPTR. | |
1179 | Returns 1 to indicate success. | |
1180 | Returns 0 if could not find the specified line. */ | |
1181 | ||
1182 | int | |
1183 | find_line_pc_range (symtab, thisline, startptr, endptr) | |
1184 | struct symtab *symtab; | |
1185 | int thisline; | |
1186 | CORE_ADDR *startptr, *endptr; | |
1187 | { | |
1188 | register struct linetable *l; | |
1189 | register int ind; | |
1190 | int exact_match; /* did we get an exact linenumber match */ | |
1191 | ||
1192 | if (symtab == 0) | |
1193 | return 0; | |
1194 | ||
1195 | l = LINETABLE (symtab); | |
1196 | ind = find_line_common (l, thisline, &exact_match); | |
b203fc18 | 1197 | if (ind >= 0) |
bd5635a1 RP |
1198 | { |
1199 | *startptr = l->item[ind].pc; | |
1200 | /* If we have not seen an entry for the specified line, | |
1201 | assume that means the specified line has zero bytes. */ | |
1202 | if (!exact_match || ind == l->nitems-1) | |
1203 | *endptr = *startptr; | |
1204 | else | |
1205 | /* Perhaps the following entry is for the following line. | |
1206 | It's worth a try. */ | |
1207 | if (ind+1 < l->nitems | |
1208 | && l->item[ind+1].line == thisline + 1) | |
1209 | *endptr = l->item[ind+1].pc; | |
1210 | else | |
1211 | *endptr = find_line_pc (symtab, thisline+1); | |
1212 | return 1; | |
1213 | } | |
1214 | ||
1215 | return 0; | |
1216 | } | |
1217 | ||
1218 | /* Given a line table and a line number, return the index into the line | |
1219 | table for the pc of the nearest line whose number is >= the specified one. | |
b203fc18 | 1220 | Return -1 if none is found. The value is >= 0 if it is an index. |
bd5635a1 RP |
1221 | |
1222 | Set *EXACT_MATCH nonzero if the value returned is an exact match. */ | |
1223 | ||
1224 | static int | |
1225 | find_line_common (l, lineno, exact_match) | |
1226 | register struct linetable *l; | |
1227 | register int lineno; | |
1228 | int *exact_match; | |
1229 | { | |
1230 | register int i; | |
1231 | register int len; | |
1232 | ||
1233 | /* BEST is the smallest linenumber > LINENO so far seen, | |
1234 | or 0 if none has been seen so far. | |
1235 | BEST_INDEX identifies the item for it. */ | |
1236 | ||
b203fc18 | 1237 | int best_index = -1; |
bd5635a1 RP |
1238 | int best = 0; |
1239 | ||
1240 | if (lineno <= 0) | |
b203fc18 | 1241 | return -1; |
4137c5fc JG |
1242 | if (l == 0) |
1243 | return -1; | |
bd5635a1 RP |
1244 | |
1245 | len = l->nitems; | |
1246 | for (i = 0; i < len; i++) | |
1247 | { | |
1248 | register struct linetable_entry *item = &(l->item[i]); | |
1249 | ||
1250 | if (item->line == lineno) | |
1251 | { | |
1252 | *exact_match = 1; | |
1253 | return i; | |
1254 | } | |
1255 | ||
1256 | if (item->line > lineno && (best == 0 || item->line < best)) | |
1257 | { | |
1258 | best = item->line; | |
1259 | best_index = i; | |
1260 | } | |
1261 | } | |
1262 | ||
1263 | /* If we got here, we didn't get an exact match. */ | |
1264 | ||
1265 | *exact_match = 0; | |
1266 | return best_index; | |
1267 | } | |
1268 | ||
1269 | int | |
1270 | find_pc_line_pc_range (pc, startptr, endptr) | |
1271 | CORE_ADDR pc; | |
1272 | CORE_ADDR *startptr, *endptr; | |
1273 | { | |
1274 | struct symtab_and_line sal; | |
1275 | sal = find_pc_line (pc, 0); | |
1276 | *startptr = sal.pc; | |
1277 | *endptr = sal.end; | |
1278 | return sal.symtab != 0; | |
1279 | } | |
1280 | \f | |
d96b54ea JK |
1281 | /* If P is of the form "operator[ \t]+..." where `...' is |
1282 | some legitimate operator text, return a pointer to the | |
1283 | beginning of the substring of the operator text. | |
1284 | Otherwise, return "". */ | |
1285 | static char * | |
1286 | operator_chars (p, end) | |
1287 | char *p; | |
1288 | char **end; | |
1289 | { | |
1290 | *end = ""; | |
1291 | if (strncmp (p, "operator", 8)) | |
1292 | return *end; | |
1293 | p += 8; | |
1294 | ||
1295 | /* Don't get faked out by `operator' being part of a longer | |
1296 | identifier. */ | |
2cd99985 | 1297 | if (isalpha(*p) || *p == '_' || *p == '$' || *p == '\0') |
d96b54ea JK |
1298 | return *end; |
1299 | ||
1300 | /* Allow some whitespace between `operator' and the operator symbol. */ | |
1301 | while (*p == ' ' || *p == '\t') | |
1302 | p++; | |
1303 | ||
2cd99985 PB |
1304 | /* Recognize 'operator TYPENAME'. */ |
1305 | ||
1306 | if (isalpha(*p) || *p == '_' || *p == '$') | |
1307 | { | |
1308 | register char *q = p+1; | |
1309 | while (isalnum(*q) || *q == '_' || *q == '$') | |
1310 | q++; | |
1311 | *end = q; | |
1312 | return p; | |
1313 | } | |
1314 | ||
d96b54ea JK |
1315 | switch (*p) |
1316 | { | |
1317 | case '!': | |
1318 | case '=': | |
1319 | case '*': | |
1320 | case '/': | |
1321 | case '%': | |
1322 | case '^': | |
1323 | if (p[1] == '=') | |
1324 | *end = p+2; | |
1325 | else | |
1326 | *end = p+1; | |
1327 | return p; | |
1328 | case '<': | |
1329 | case '>': | |
1330 | case '+': | |
1331 | case '-': | |
1332 | case '&': | |
1333 | case '|': | |
1334 | if (p[1] == '=' || p[1] == p[0]) | |
1335 | *end = p+2; | |
1336 | else | |
1337 | *end = p+1; | |
1338 | return p; | |
1339 | case '~': | |
1340 | case ',': | |
1341 | *end = p+1; | |
1342 | return p; | |
1343 | case '(': | |
1344 | if (p[1] != ')') | |
1345 | error ("`operator ()' must be specified without whitespace in `()'"); | |
1346 | *end = p+2; | |
1347 | return p; | |
1348 | case '?': | |
1349 | if (p[1] != ':') | |
1350 | error ("`operator ?:' must be specified without whitespace in `?:'"); | |
1351 | *end = p+2; | |
1352 | return p; | |
1353 | case '[': | |
1354 | if (p[1] != ']') | |
1355 | error ("`operator []' must be specified without whitespace in `[]'"); | |
1356 | *end = p+2; | |
1357 | return p; | |
1358 | default: | |
1359 | error ("`operator %s' not supported", p); | |
1360 | break; | |
1361 | } | |
1362 | *end = ""; | |
1363 | return *end; | |
1364 | } | |
1365 | ||
bd5635a1 RP |
1366 | /* Recursive helper function for decode_line_1. |
1367 | * Look for methods named NAME in type T. | |
1368 | * Return number of matches. | |
1369 | * Put matches in PHYSNAMES and SYM_ARR (which better be big enough!). | |
1370 | * These allocations seem to define "big enough": | |
1371 | * sym_arr = (struct symbol **) alloca(TYPE_NFN_FIELDS_TOTAL (t) * sizeof(struct symbol*)); | |
1372 | * physnames = (char **) alloca (TYPE_NFN_FIELDS_TOTAL (t) * sizeof(char*)); | |
1373 | */ | |
1374 | ||
2cd99985 | 1375 | int |
7e258d18 | 1376 | find_methods (t, name, physnames, sym_arr) |
bd5635a1 RP |
1377 | struct type *t; |
1378 | char *name; | |
1379 | char **physnames; | |
1380 | struct symbol **sym_arr; | |
1381 | { | |
1382 | int i1 = 0; | |
1383 | int ibase; | |
1384 | struct symbol *sym_class; | |
1385 | char *class_name = type_name_no_tag (t); | |
1386 | /* Ignore this class if it doesn't have a name. | |
1387 | This prevents core dumps, but is just a workaround | |
1388 | because we might not find the function in | |
1389 | certain cases, such as | |
1390 | struct D {virtual int f();} | |
1391 | struct C : D {virtual int g();} | |
1392 | (in this case g++ 1.35.1- does not put out a name | |
1393 | for D as such, it defines type 19 (for example) in | |
1394 | the same stab as C, and then does a | |
1395 | .stabs "D:T19" and a .stabs "D:t19". | |
1396 | Thus | |
1397 | "break C::f" should not be looking for field f in | |
1398 | the class named D, | |
1399 | but just for the field f in the baseclasses of C | |
1400 | (no matter what their names). | |
1401 | ||
1402 | However, I don't know how to replace the code below | |
1403 | that depends on knowing the name of D. */ | |
1404 | if (class_name | |
1405 | && (sym_class = lookup_symbol (class_name, | |
1406 | (struct block *)NULL, | |
1407 | STRUCT_NAMESPACE, | |
1408 | (int *)NULL, | |
1409 | (struct symtab **)NULL))) | |
1410 | { | |
1411 | int method_counter; | |
1412 | t = SYMBOL_TYPE (sym_class); | |
1413 | for (method_counter = TYPE_NFN_FIELDS (t) - 1; | |
1414 | method_counter >= 0; | |
1415 | --method_counter) | |
1416 | { | |
1417 | int field_counter; | |
1418 | struct fn_field *f = TYPE_FN_FIELDLIST1 (t, method_counter); | |
1419 | ||
1420 | char *method_name = TYPE_FN_FIELDLIST_NAME (t, method_counter); | |
1421 | if (!strcmp (name, method_name)) | |
1422 | /* Find all the fields with that name. */ | |
1423 | for (field_counter = TYPE_FN_FIELDLIST_LENGTH (t, method_counter) - 1; | |
1424 | field_counter >= 0; | |
1425 | --field_counter) | |
1426 | { | |
1427 | char *phys_name; | |
7e258d18 | 1428 | if (TYPE_FN_FIELD_STUB (f, field_counter)) |
bd5635a1 RP |
1429 | check_stub_method (t, method_counter, field_counter); |
1430 | phys_name = TYPE_FN_FIELD_PHYSNAME (f, field_counter); | |
1431 | physnames[i1] = (char*) alloca (strlen (phys_name) + 1); | |
1432 | strcpy (physnames[i1], phys_name); | |
1433 | sym_arr[i1] = lookup_symbol (phys_name, | |
1434 | SYMBOL_BLOCK_VALUE (sym_class), | |
1435 | VAR_NAMESPACE, | |
1436 | (int *) NULL, | |
1437 | (struct symtab **) NULL); | |
1438 | if (sym_arr[i1]) i1++; | |
2cd99985 PB |
1439 | else |
1440 | { | |
1441 | fputs_filtered("(Cannot find method ", stdout); | |
f70be3e4 | 1442 | fputs_demangled(phys_name, stdout, DMGL_PARAMS); |
2cd99985 PB |
1443 | fputs_filtered(" - possibly inlined.)\n", stdout); |
1444 | } | |
bd5635a1 RP |
1445 | } |
1446 | } | |
1447 | } | |
1448 | /* Only search baseclasses if there is no match yet, | |
1449 | * since names in derived classes override those in baseclasses. | |
1450 | */ | |
1451 | if (i1) | |
1452 | return i1; | |
1453 | for (ibase = 0; ibase < TYPE_N_BASECLASSES (t); ibase++) | |
1454 | i1 += find_methods(TYPE_BASECLASS(t, ibase), name, | |
1455 | physnames + i1, sym_arr + i1); | |
1456 | return i1; | |
1457 | } | |
1458 | ||
1459 | /* Parse a string that specifies a line number. | |
1460 | Pass the address of a char * variable; that variable will be | |
1461 | advanced over the characters actually parsed. | |
1462 | ||
1463 | The string can be: | |
1464 | ||
1465 | LINENUM -- that line number in current file. PC returned is 0. | |
1466 | FILE:LINENUM -- that line in that file. PC returned is 0. | |
1467 | FUNCTION -- line number of openbrace of that function. | |
1468 | PC returned is the start of the function. | |
1469 | VARIABLE -- line number of definition of that variable. | |
1470 | PC returned is 0. | |
1471 | FILE:FUNCTION -- likewise, but prefer functions in that file. | |
1472 | *EXPR -- line in which address EXPR appears. | |
1473 | ||
cba0d141 | 1474 | FUNCTION may be an undebuggable function found in minimal symbol table. |
bd5635a1 RP |
1475 | |
1476 | If the argument FUNFIRSTLINE is nonzero, we want the first line | |
1477 | of real code inside a function when a function is specified. | |
1478 | ||
1479 | DEFAULT_SYMTAB specifies the file to use if none is specified. | |
1480 | It defaults to current_source_symtab. | |
1481 | DEFAULT_LINE specifies the line number to use for relative | |
1482 | line numbers (that start with signs). Defaults to current_source_line. | |
1483 | ||
1484 | Note that it is possible to return zero for the symtab | |
1485 | if no file is validly specified. Callers must check that. | |
1486 | Also, the line number returned may be invalid. */ | |
1487 | ||
1488 | struct symtabs_and_lines | |
1489 | decode_line_1 (argptr, funfirstline, default_symtab, default_line) | |
1490 | char **argptr; | |
1491 | int funfirstline; | |
1492 | struct symtab *default_symtab; | |
1493 | int default_line; | |
1494 | { | |
bd5635a1 | 1495 | struct symtabs_and_lines values; |
c1878f87 SG |
1496 | #ifdef HPPA_COMPILER_BUG |
1497 | /* FIXME: The native HP 9000/700 compiler has a bug which appears | |
1498 | when optimizing this file with target i960-vxworks. I haven't | |
1499 | been able to construct a simple test case. The problem is that | |
1500 | in the second call to SKIP_PROLOGUE below, the compiler somehow | |
1501 | does not realize that the statement val = find_pc_line (...) will | |
1502 | change the values of the fields of val. It extracts the elements | |
1503 | into registers at the top of the block, and does not update the | |
1504 | registers after the call to find_pc_line. You can check this by | |
1505 | inserting a printf at the end of find_pc_line to show what values | |
1506 | it is returning for val.pc and val.end and another printf after | |
1507 | the call to see what values the function actually got (remember, | |
1508 | this is compiling with cc -O, with this patch removed). You can | |
1509 | also examine the assembly listing: search for the second call to | |
1510 | skip_prologue; the LDO statement before the next call to | |
1511 | find_pc_line loads the address of the structure which | |
1512 | find_pc_line will return; if there is a LDW just before the LDO, | |
1513 | which fetches an element of the structure, then the compiler | |
1514 | still has the bug. | |
1515 | ||
1516 | Setting val to volatile avoids the problem. We must undef | |
1517 | volatile, because the HPPA native compiler does not define | |
1518 | __STDC__, although it does understand volatile, and so volatile | |
1519 | will have been defined away in defs.h. */ | |
1520 | #undef volatile | |
1521 | volatile struct symtab_and_line val; | |
1522 | #define volatile /*nothing*/ | |
1523 | #else | |
bd5635a1 | 1524 | struct symtab_and_line val; |
c1878f87 | 1525 | #endif |
bd5635a1 | 1526 | register char *p, *p1; |
d96b54ea | 1527 | char *q, *q1; |
bd5635a1 RP |
1528 | register struct symtab *s; |
1529 | ||
1530 | register struct symbol *sym; | |
1531 | /* The symtab that SYM was found in. */ | |
1532 | struct symtab *sym_symtab; | |
1533 | ||
1534 | register CORE_ADDR pc; | |
cba0d141 | 1535 | register struct minimal_symbol *msymbol; |
bd5635a1 RP |
1536 | char *copy; |
1537 | struct symbol *sym_class; | |
1538 | int i1; | |
8050a57b | 1539 | int is_quoted; |
bd5635a1 RP |
1540 | struct symbol **sym_arr; |
1541 | struct type *t; | |
1542 | char **physnames; | |
f70be3e4 JG |
1543 | char *saved_arg = *argptr; |
1544 | extern char *gdb_completer_quote_characters; | |
bd5635a1 RP |
1545 | |
1546 | /* Defaults have defaults. */ | |
1547 | ||
1548 | if (default_symtab == 0) | |
1549 | { | |
1550 | default_symtab = current_source_symtab; | |
1551 | default_line = current_source_line; | |
1552 | } | |
1553 | ||
8050a57b | 1554 | /* See if arg is *PC */ |
bd5635a1 | 1555 | |
8050a57b | 1556 | if (**argptr == '*') |
f70be3e4 JG |
1557 | { |
1558 | if (**argptr == '*') | |
1559 | { | |
1560 | (*argptr)++; | |
1561 | } | |
bd5635a1 RP |
1562 | pc = parse_and_eval_address_1 (argptr); |
1563 | values.sals = (struct symtab_and_line *) | |
1564 | xmalloc (sizeof (struct symtab_and_line)); | |
1565 | values.nelts = 1; | |
1566 | values.sals[0] = find_pc_line (pc, 0); | |
1567 | values.sals[0].pc = pc; | |
1568 | return values; | |
1569 | } | |
1570 | ||
1571 | /* Maybe arg is FILE : LINENUM or FILE : FUNCTION */ | |
1572 | ||
8050a57b FF |
1573 | s = NULL; |
1574 | is_quoted = (strchr (gdb_completer_quote_characters, **argptr) != NULL); | |
bd5635a1 RP |
1575 | |
1576 | for (p = *argptr; *p; p++) | |
1577 | { | |
1578 | if (p[0] == ':' || p[0] == ' ' || p[0] == '\t') | |
1579 | break; | |
1580 | } | |
1581 | while (p[0] == ' ' || p[0] == '\t') p++; | |
1582 | ||
8050a57b | 1583 | if ((p[0] == ':') && !is_quoted) |
bd5635a1 RP |
1584 | { |
1585 | ||
1586 | /* C++ */ | |
1587 | if (p[1] ==':') | |
1588 | { | |
1589 | /* Extract the class name. */ | |
1590 | p1 = p; | |
1591 | while (p != *argptr && p[-1] == ' ') --p; | |
1592 | copy = (char *) alloca (p - *argptr + 1); | |
4ed3a9ea | 1593 | memcpy (copy, *argptr, p - *argptr); |
bd5635a1 RP |
1594 | copy[p - *argptr] = 0; |
1595 | ||
1596 | /* Discard the class name from the arg. */ | |
1597 | p = p1 + 2; | |
1598 | while (*p == ' ' || *p == '\t') p++; | |
1599 | *argptr = p; | |
1600 | ||
1601 | sym_class = lookup_symbol (copy, 0, STRUCT_NAMESPACE, 0, | |
1602 | (struct symtab **)NULL); | |
1603 | ||
1604 | if (sym_class && | |
f1d77e90 | 1605 | ( TYPE_CODE (SYMBOL_TYPE (sym_class)) == TYPE_CODE_STRUCT |
bd5635a1 RP |
1606 | || TYPE_CODE (SYMBOL_TYPE (sym_class)) == TYPE_CODE_UNION)) |
1607 | { | |
1608 | /* Arg token is not digits => try it as a function name | |
1609 | Find the next token (everything up to end or next whitespace). */ | |
1610 | p = *argptr; | |
1611 | while (*p && *p != ' ' && *p != '\t' && *p != ',' && *p !=':') p++; | |
d96b54ea | 1612 | q = operator_chars (*argptr, &q1); |
aec4cb91 | 1613 | |
d96b54ea JK |
1614 | if (q1 - q) |
1615 | { | |
2cd99985 PB |
1616 | char *opname; |
1617 | char *tmp = alloca (q1 - q + 1); | |
1618 | memcpy (tmp, q, q1 - q); | |
1619 | tmp[q1 - q] = '\0'; | |
8050a57b | 1620 | opname = cplus_mangle_opname (tmp, DMGL_ANSI); |
2cd99985 | 1621 | if (opname == NULL) |
f70be3e4 JG |
1622 | { |
1623 | warning ("no mangling for \"%s\"", tmp); | |
1624 | cplusplus_hint (saved_arg); | |
1625 | return_to_top_level (); | |
1626 | } | |
2cd99985 PB |
1627 | copy = (char*) alloca (3 + strlen(opname)); |
1628 | sprintf (copy, "__%s", opname); | |
d96b54ea JK |
1629 | p = q1; |
1630 | } | |
1631 | else | |
1632 | { | |
2cd99985 | 1633 | copy = (char *) alloca (p - *argptr + 1 + (q1 - q)); |
4ed3a9ea | 1634 | memcpy (copy, *argptr, p - *argptr); |
d96b54ea JK |
1635 | copy[p - *argptr] = '\0'; |
1636 | } | |
bd5635a1 RP |
1637 | |
1638 | /* no line number may be specified */ | |
1639 | while (*p == ' ' || *p == '\t') p++; | |
1640 | *argptr = p; | |
1641 | ||
1642 | sym = 0; | |
1643 | i1 = 0; /* counter for the symbol array */ | |
1644 | t = SYMBOL_TYPE (sym_class); | |
1645 | sym_arr = (struct symbol **) alloca(TYPE_NFN_FIELDS_TOTAL (t) * sizeof(struct symbol*)); | |
1646 | physnames = (char **) alloca (TYPE_NFN_FIELDS_TOTAL (t) * sizeof(char*)); | |
1647 | ||
1648 | if (destructor_name_p (copy, t)) | |
1649 | { | |
1650 | /* destructors are a special case. */ | |
1651 | struct fn_field *f = TYPE_FN_FIELDLIST1 (t, 0); | |
1652 | int len = TYPE_FN_FIELDLIST_LENGTH (t, 0) - 1; | |
1653 | char *phys_name = TYPE_FN_FIELD_PHYSNAME (f, len); | |
1654 | physnames[i1] = (char *)alloca (strlen (phys_name) + 1); | |
1655 | strcpy (physnames[i1], phys_name); | |
1656 | sym_arr[i1] = | |
1657 | lookup_symbol (phys_name, SYMBOL_BLOCK_VALUE (sym_class), | |
1658 | VAR_NAMESPACE, 0, (struct symtab **)NULL); | |
1659 | if (sym_arr[i1]) i1++; | |
1660 | } | |
1661 | else | |
1662 | i1 = find_methods (t, copy, physnames, sym_arr); | |
1663 | if (i1 == 1) | |
1664 | { | |
1665 | /* There is exactly one field with that name. */ | |
1666 | sym = sym_arr[0]; | |
1667 | ||
1668 | if (sym && SYMBOL_CLASS (sym) == LOC_BLOCK) | |
1669 | { | |
1670 | /* Arg is the name of a function */ | |
1671 | pc = BLOCK_START (SYMBOL_BLOCK_VALUE (sym)) + FUNCTION_START_OFFSET; | |
1672 | if (funfirstline) | |
1673 | SKIP_PROLOGUE (pc); | |
1674 | values.sals = (struct symtab_and_line *)xmalloc (sizeof (struct symtab_and_line)); | |
1675 | values.nelts = 1; | |
1676 | values.sals[0] = find_pc_line (pc, 0); | |
1677 | values.sals[0].pc = (values.sals[0].end && values.sals[0].pc != pc) ? values.sals[0].end : pc; | |
1678 | } | |
1679 | else | |
1680 | { | |
1681 | values.nelts = 0; | |
1682 | } | |
1683 | return values; | |
1684 | } | |
1685 | if (i1 > 0) | |
1686 | { | |
1687 | /* There is more than one field with that name | |
1688 | (overloaded). Ask the user which one to use. */ | |
1689 | return decode_line_2 (sym_arr, i1, funfirstline); | |
1690 | } | |
1691 | else | |
d96b54ea JK |
1692 | { |
1693 | char *tmp; | |
1694 | ||
1695 | if (OPNAME_PREFIX_P (copy)) | |
1696 | { | |
1697 | tmp = (char *)alloca (strlen (copy+3) + 9); | |
1698 | strcpy (tmp, "operator "); | |
1699 | strcat (tmp, copy+3); | |
1700 | } | |
1701 | else | |
1702 | tmp = copy; | |
0e2a896c | 1703 | if (tmp[0] == '~') |
f70be3e4 JG |
1704 | warning ("the class `%s' does not have destructor defined", |
1705 | sym_class->name); | |
0e2a896c | 1706 | else |
f70be3e4 JG |
1707 | warning ("the class %s does not have any method named %s", |
1708 | sym_class->name, tmp); | |
1709 | cplusplus_hint (saved_arg); | |
1710 | return_to_top_level (); | |
d96b54ea | 1711 | } |
bd5635a1 RP |
1712 | } |
1713 | else | |
f70be3e4 JG |
1714 | { |
1715 | /* The quotes are important if copy is empty. */ | |
1716 | warning ("can't find class, struct, or union named \"%s\"", | |
1717 | copy); | |
1718 | cplusplus_hint (saved_arg); | |
1719 | return_to_top_level (); | |
1720 | } | |
bd5635a1 RP |
1721 | } |
1722 | /* end of C++ */ | |
1723 | ||
1724 | ||
1725 | /* Extract the file name. */ | |
1726 | p1 = p; | |
1727 | while (p != *argptr && p[-1] == ' ') --p; | |
58050209 | 1728 | copy = (char *) alloca (p - *argptr + 1); |
4ed3a9ea | 1729 | memcpy (copy, *argptr, p - *argptr); |
58050209 | 1730 | copy[p - *argptr] = 0; |
bd5635a1 RP |
1731 | |
1732 | /* Find that file's data. */ | |
1733 | s = lookup_symtab (copy); | |
1734 | if (s == 0) | |
1735 | { | |
cba0d141 | 1736 | if (!have_full_symbols () && !have_partial_symbols ()) |
bd5635a1 RP |
1737 | error (no_symtab_msg); |
1738 | error ("No source file named %s.", copy); | |
1739 | } | |
1740 | ||
1741 | /* Discard the file name from the arg. */ | |
1742 | p = p1 + 1; | |
1743 | while (*p == ' ' || *p == '\t') p++; | |
1744 | *argptr = p; | |
1745 | } | |
1746 | ||
1747 | /* S is specified file's symtab, or 0 if no file specified. | |
1748 | arg no longer contains the file name. */ | |
1749 | ||
1750 | /* Check whether arg is all digits (and sign) */ | |
1751 | ||
1752 | p = *argptr; | |
1753 | if (*p == '-' || *p == '+') p++; | |
1754 | while (*p >= '0' && *p <= '9') | |
1755 | p++; | |
1756 | ||
1757 | if (p != *argptr && (*p == 0 || *p == ' ' || *p == '\t' || *p == ',')) | |
1758 | { | |
1759 | /* We found a token consisting of all digits -- at least one digit. */ | |
1760 | enum sign {none, plus, minus} sign = none; | |
1761 | ||
1762 | /* This is where we need to make sure that we have good defaults. | |
1763 | We must guarantee that this section of code is never executed | |
1764 | when we are called with just a function name, since | |
1765 | select_source_symtab calls us with such an argument */ | |
1766 | ||
1767 | if (s == 0 && default_symtab == 0) | |
1768 | { | |
bd5635a1 RP |
1769 | select_source_symtab (0); |
1770 | default_symtab = current_source_symtab; | |
1771 | default_line = current_source_line; | |
1772 | } | |
1773 | ||
1774 | if (**argptr == '+') | |
1775 | sign = plus, (*argptr)++; | |
1776 | else if (**argptr == '-') | |
1777 | sign = minus, (*argptr)++; | |
1778 | val.line = atoi (*argptr); | |
1779 | switch (sign) | |
1780 | { | |
1781 | case plus: | |
1782 | if (p == *argptr) | |
1783 | val.line = 5; | |
1784 | if (s == 0) | |
1785 | val.line = default_line + val.line; | |
1786 | break; | |
1787 | case minus: | |
1788 | if (p == *argptr) | |
1789 | val.line = 15; | |
1790 | if (s == 0) | |
1791 | val.line = default_line - val.line; | |
1792 | else | |
1793 | val.line = 1; | |
1794 | break; | |
1795 | case none: | |
1796 | break; /* No need to adjust val.line. */ | |
1797 | } | |
1798 | ||
1799 | while (*p == ' ' || *p == '\t') p++; | |
1800 | *argptr = p; | |
1801 | if (s == 0) | |
1802 | s = default_symtab; | |
1803 | val.symtab = s; | |
1804 | val.pc = 0; | |
1805 | values.sals = (struct symtab_and_line *)xmalloc (sizeof (struct symtab_and_line)); | |
1806 | values.sals[0] = val; | |
1807 | values.nelts = 1; | |
1808 | return values; | |
1809 | } | |
1810 | ||
1811 | /* Arg token is not digits => try it as a variable name | |
1812 | Find the next token (everything up to end or next whitespace). */ | |
2cd99985 | 1813 | |
f70be3e4 | 1814 | p = skip_quoted (*argptr); |
bd5635a1 | 1815 | copy = (char *) alloca (p - *argptr + 1); |
4ed3a9ea | 1816 | memcpy (copy, *argptr, p - *argptr); |
f70be3e4 JG |
1817 | copy[p - *argptr] = '\0'; |
1818 | if ((copy[0] == copy [p - *argptr - 1]) | |
1819 | && strchr (gdb_completer_quote_characters, copy[0]) != NULL) | |
1820 | { | |
1821 | char *temp; | |
1822 | copy [p - *argptr - 1] = '\0'; | |
1823 | copy++; | |
1824 | if ((temp = expensive_mangler (copy)) != NULL) | |
1825 | { | |
1826 | copy = temp; | |
1827 | } | |
1828 | } | |
bd5635a1 RP |
1829 | while (*p == ' ' || *p == '\t') p++; |
1830 | *argptr = p; | |
1831 | ||
1832 | /* Look up that token as a variable. | |
1833 | If file specified, use that file's per-file block to start with. */ | |
1834 | ||
1835 | sym = lookup_symbol (copy, | |
3ba6a043 | 1836 | (s ? BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK) |
bd5635a1 RP |
1837 | : get_selected_block ()), |
1838 | VAR_NAMESPACE, 0, &sym_symtab); | |
1839 | ||
1840 | if (sym != NULL) | |
1841 | { | |
1842 | if (SYMBOL_CLASS (sym) == LOC_BLOCK) | |
1843 | { | |
1844 | /* Arg is the name of a function */ | |
1845 | pc = BLOCK_START (SYMBOL_BLOCK_VALUE (sym)) + FUNCTION_START_OFFSET; | |
1846 | if (funfirstline) | |
1847 | SKIP_PROLOGUE (pc); | |
1848 | val = find_pc_line (pc, 0); | |
1849 | #ifdef PROLOGUE_FIRSTLINE_OVERLAP | |
1850 | /* Convex: no need to suppress code on first line, if any */ | |
1851 | val.pc = pc; | |
1852 | #else | |
7b2a87ca JG |
1853 | /* If SKIP_PROLOGUE left us in mid-line, and the next line is still |
1854 | part of the same function: | |
1855 | advance to next line, | |
1856 | recalculate its line number (might not be N+1). */ | |
1857 | if (val.pc != pc && val.end && | |
cba0d141 | 1858 | lookup_minimal_symbol_by_pc (pc) == lookup_minimal_symbol_by_pc (val.end)) { |
7b2a87ca JG |
1859 | pc = val.end; /* First pc of next line */ |
1860 | val = find_pc_line (pc, 0); | |
1861 | } | |
1862 | val.pc = pc; | |
bd5635a1 RP |
1863 | #endif |
1864 | values.sals = (struct symtab_and_line *)xmalloc (sizeof (struct symtab_and_line)); | |
1865 | values.sals[0] = val; | |
1866 | values.nelts = 1; | |
1867 | ||
1868 | /* I think this is always the same as the line that | |
1869 | we calculate above, but the general principle is | |
1870 | "trust the symbols more than stuff like | |
1871 | SKIP_PROLOGUE". */ | |
1872 | if (SYMBOL_LINE (sym) != 0) | |
1873 | values.sals[0].line = SYMBOL_LINE (sym); | |
1874 | ||
1875 | return values; | |
1876 | } | |
1877 | else if (SYMBOL_LINE (sym) != 0) | |
1878 | { | |
1879 | /* We know its line number. */ | |
1880 | values.sals = (struct symtab_and_line *) | |
1881 | xmalloc (sizeof (struct symtab_and_line)); | |
1882 | values.nelts = 1; | |
4ed3a9ea | 1883 | memset (&values.sals[0], 0, sizeof (values.sals[0])); |
bd5635a1 RP |
1884 | values.sals[0].symtab = sym_symtab; |
1885 | values.sals[0].line = SYMBOL_LINE (sym); | |
1886 | return values; | |
1887 | } | |
1888 | else | |
1889 | /* This can happen if it is compiled with a compiler which doesn't | |
1890 | put out line numbers for variables. */ | |
1891 | error ("Line number not known for symbol \"%s\"", copy); | |
1892 | } | |
1893 | ||
cba0d141 JG |
1894 | msymbol = lookup_minimal_symbol (copy, (struct objfile *) NULL); |
1895 | if (msymbol != NULL) | |
bd5635a1 RP |
1896 | { |
1897 | val.symtab = 0; | |
1898 | val.line = 0; | |
cba0d141 | 1899 | val.pc = msymbol -> address + FUNCTION_START_OFFSET; |
bd5635a1 RP |
1900 | if (funfirstline) |
1901 | SKIP_PROLOGUE (val.pc); | |
1902 | values.sals = (struct symtab_and_line *)xmalloc (sizeof (struct symtab_and_line)); | |
1903 | values.sals[0] = val; | |
1904 | values.nelts = 1; | |
1905 | return values; | |
1906 | } | |
1907 | ||
cba0d141 JG |
1908 | if (!have_full_symbols () && |
1909 | !have_partial_symbols () && !have_minimal_symbols ()) | |
997a978c JG |
1910 | error (no_symtab_msg); |
1911 | ||
f70be3e4 | 1912 | error ("Function \"%s\" not defined.", copy); |
bd5635a1 RP |
1913 | return values; /* for lint */ |
1914 | } | |
1915 | ||
1916 | struct symtabs_and_lines | |
1917 | decode_line_spec (string, funfirstline) | |
1918 | char *string; | |
1919 | int funfirstline; | |
1920 | { | |
1921 | struct symtabs_and_lines sals; | |
1922 | if (string == 0) | |
1923 | error ("Empty line specification."); | |
1924 | sals = decode_line_1 (&string, funfirstline, | |
1925 | current_source_symtab, current_source_line); | |
1926 | if (*string) | |
1927 | error ("Junk at end of line specification: %s", string); | |
1928 | return sals; | |
1929 | } | |
1930 | ||
1931 | /* Given a list of NELTS symbols in sym_arr (with corresponding | |
1932 | mangled names in physnames), return a list of lines to operate on | |
1933 | (ask user if necessary). */ | |
cba0d141 | 1934 | static struct symtabs_and_lines |
bd5635a1 RP |
1935 | decode_line_2 (sym_arr, nelts, funfirstline) |
1936 | struct symbol *sym_arr[]; | |
1937 | int nelts; | |
1938 | int funfirstline; | |
1939 | { | |
bd5635a1 RP |
1940 | struct symtabs_and_lines values, return_values; |
1941 | register CORE_ADDR pc; | |
cba0d141 | 1942 | char *args, *arg1; |
bd5635a1 RP |
1943 | int i; |
1944 | char *prompt; | |
8050a57b | 1945 | char *demangled; |
bd5635a1 RP |
1946 | |
1947 | values.sals = (struct symtab_and_line *) alloca (nelts * sizeof(struct symtab_and_line)); | |
1948 | return_values.sals = (struct symtab_and_line *) xmalloc (nelts * sizeof(struct symtab_and_line)); | |
1949 | ||
1950 | i = 0; | |
1951 | printf("[0] cancel\n[1] all\n"); | |
1952 | while (i < nelts) | |
1953 | { | |
1954 | if (sym_arr[i] && SYMBOL_CLASS (sym_arr[i]) == LOC_BLOCK) | |
1955 | { | |
1956 | /* Arg is the name of a function */ | |
1957 | pc = BLOCK_START (SYMBOL_BLOCK_VALUE (sym_arr[i])) | |
1958 | + FUNCTION_START_OFFSET; | |
1959 | if (funfirstline) | |
1960 | SKIP_PROLOGUE (pc); | |
1961 | values.sals[i] = find_pc_line (pc, 0); | |
1962 | values.sals[i].pc = (values.sals[i].end && values.sals[i].pc != pc) ? | |
1963 | values.sals[i].end : pc; | |
8050a57b FF |
1964 | demangled = cplus_demangle (SYMBOL_NAME (sym_arr[i]), |
1965 | DMGL_PARAMS | DMGL_ANSI); | |
1966 | printf("[%d] %s at %s:%d\n", (i+2), | |
1967 | demangled ? demangled : SYMBOL_NAME (sym_arr[i]), | |
1968 | values.sals[i].symtab->filename, values.sals[i].line); | |
1969 | if (demangled != NULL) | |
1970 | { | |
1971 | free (demangled); | |
1972 | } | |
bd5635a1 RP |
1973 | } |
1974 | else printf ("?HERE\n"); | |
1975 | i++; | |
1976 | } | |
1977 | ||
1978 | if ((prompt = getenv ("PS2")) == NULL) | |
1979 | { | |
1980 | prompt = ">"; | |
1981 | } | |
1982 | printf("%s ",prompt); | |
1983 | fflush(stdout); | |
1984 | ||
cba0d141 | 1985 | args = command_line_input ((char *) NULL, 0); |
bd5635a1 RP |
1986 | |
1987 | if (args == 0) | |
1988 | error_no_arg ("one or more choice numbers"); | |
1989 | ||
1990 | i = 0; | |
1991 | while (*args) | |
1992 | { | |
1993 | int num; | |
1994 | ||
1995 | arg1 = args; | |
1996 | while (*arg1 >= '0' && *arg1 <= '9') arg1++; | |
1997 | if (*arg1 && *arg1 != ' ' && *arg1 != '\t') | |
1998 | error ("Arguments must be choice numbers."); | |
1999 | ||
2000 | num = atoi (args); | |
2001 | ||
2002 | if (num == 0) | |
2003 | error ("cancelled"); | |
2004 | else if (num == 1) | |
2005 | { | |
4ed3a9ea FF |
2006 | memcpy (return_values.sals, values.sals, |
2007 | (nelts * sizeof(struct symtab_and_line))); | |
bd5635a1 RP |
2008 | return_values.nelts = nelts; |
2009 | return return_values; | |
2010 | } | |
2011 | ||
2012 | if (num > nelts + 2) | |
2013 | { | |
2014 | printf ("No choice number %d.\n", num); | |
2015 | } | |
2016 | else | |
2017 | { | |
2018 | num -= 2; | |
2019 | if (values.sals[num].pc) | |
2020 | { | |
2021 | return_values.sals[i++] = values.sals[num]; | |
2022 | values.sals[num].pc = 0; | |
2023 | } | |
2024 | else | |
2025 | { | |
2026 | printf ("duplicate request for %d ignored.\n", num); | |
2027 | } | |
2028 | } | |
2029 | ||
2030 | args = arg1; | |
2031 | while (*args == ' ' || *args == '\t') args++; | |
2032 | } | |
2033 | return_values.nelts = i; | |
2034 | return return_values; | |
2035 | } | |
2036 | ||
bd5635a1 RP |
2037 | \f |
2038 | /* Slave routine for sources_info. Force line breaks at ,'s. | |
2039 | NAME is the name to print and *FIRST is nonzero if this is the first | |
2040 | name printed. Set *FIRST to zero. */ | |
2041 | static void | |
2042 | output_source_filename (name, first) | |
2043 | char *name; | |
2044 | int *first; | |
2045 | { | |
bd5635a1 RP |
2046 | /* Table of files printed so far. Since a single source file can |
2047 | result in several partial symbol tables, we need to avoid printing | |
2048 | it more than once. Note: if some of the psymtabs are read in and | |
2049 | some are not, it gets printed both under "Source files for which | |
2050 | symbols have been read" and "Source files for which symbols will | |
2051 | be read in on demand". I consider this a reasonable way to deal | |
2052 | with the situation. I'm not sure whether this can also happen for | |
2053 | symtabs; it doesn't hurt to check. */ | |
2054 | static char **tab = NULL; | |
2055 | /* Allocated size of tab in elements. | |
2056 | Start with one 256-byte block (when using GNU malloc.c). | |
2057 | 24 is the malloc overhead when range checking is in effect. */ | |
2058 | static int tab_alloc_size = (256 - 24) / sizeof (char *); | |
2059 | /* Current size of tab in elements. */ | |
2060 | static int tab_cur_size; | |
2061 | ||
2062 | char **p; | |
2063 | ||
2064 | if (*first) | |
2065 | { | |
2066 | if (tab == NULL) | |
2067 | tab = (char **) xmalloc (tab_alloc_size * sizeof (*tab)); | |
2068 | tab_cur_size = 0; | |
2069 | } | |
2070 | ||
2071 | /* Is NAME in tab? */ | |
2072 | for (p = tab; p < tab + tab_cur_size; p++) | |
2073 | if (strcmp (*p, name) == 0) | |
2074 | /* Yes; don't print it again. */ | |
2075 | return; | |
2076 | /* No; add it to tab. */ | |
2077 | if (tab_cur_size == tab_alloc_size) | |
2078 | { | |
2079 | tab_alloc_size *= 2; | |
cba0d141 | 2080 | tab = (char **) xrealloc ((char *) tab, tab_alloc_size * sizeof (*tab)); |
bd5635a1 RP |
2081 | } |
2082 | tab[tab_cur_size++] = name; | |
2083 | ||
2084 | if (*first) | |
2085 | { | |
bd5635a1 RP |
2086 | *first = 0; |
2087 | } | |
2088 | else | |
2089 | { | |
f70be3e4 | 2090 | printf_filtered (", "); |
bd5635a1 RP |
2091 | } |
2092 | ||
f70be3e4 | 2093 | wrap_here (""); |
bd5635a1 | 2094 | fputs_filtered (name, stdout); |
bd5635a1 RP |
2095 | } |
2096 | ||
2097 | static void | |
35a25840 SG |
2098 | sources_info (ignore, from_tty) |
2099 | char *ignore; | |
2100 | int from_tty; | |
bd5635a1 RP |
2101 | { |
2102 | register struct symtab *s; | |
2103 | register struct partial_symtab *ps; | |
cba0d141 | 2104 | register struct objfile *objfile; |
bd5635a1 RP |
2105 | int first; |
2106 | ||
cba0d141 | 2107 | if (!have_full_symbols () && !have_partial_symbols ()) |
bd5635a1 | 2108 | { |
3053b9f2 | 2109 | error (no_symtab_msg); |
bd5635a1 RP |
2110 | } |
2111 | ||
2112 | printf_filtered ("Source files for which symbols have been read in:\n\n"); | |
2113 | ||
2114 | first = 1; | |
35a25840 | 2115 | ALL_SYMTABS (objfile, s) |
cba0d141 | 2116 | { |
35a25840 | 2117 | output_source_filename (s -> filename, &first); |
cba0d141 | 2118 | } |
bd5635a1 RP |
2119 | printf_filtered ("\n\n"); |
2120 | ||
2121 | printf_filtered ("Source files for which symbols will be read in on demand:\n\n"); | |
2122 | ||
2123 | first = 1; | |
35a25840 | 2124 | ALL_PSYMTABS (objfile, ps) |
cba0d141 | 2125 | { |
35a25840 | 2126 | if (!ps->readin) |
cba0d141 | 2127 | { |
35a25840 | 2128 | output_source_filename (ps -> filename, &first); |
cba0d141 JG |
2129 | } |
2130 | } | |
bd5635a1 RP |
2131 | printf_filtered ("\n"); |
2132 | } | |
2133 | ||
2cd99985 | 2134 | static int |
f70be3e4 | 2135 | name_match (name) |
2cd99985 PB |
2136 | char *name; |
2137 | { | |
8050a57b | 2138 | char *demangled = cplus_demangle (name, DMGL_ANSI); |
2cd99985 PB |
2139 | if (demangled != NULL) |
2140 | { | |
2141 | int cond = re_exec (demangled); | |
2142 | free (demangled); | |
f70be3e4 | 2143 | return (cond); |
2cd99985 | 2144 | } |
f70be3e4 | 2145 | return (re_exec (name)); |
2cd99985 PB |
2146 | } |
2147 | #define NAME_MATCH(NAME) name_match(NAME) | |
2148 | ||
bd5635a1 | 2149 | /* List all symbols (if REGEXP is 0) or all symbols matching REGEXP. |
3a16d640 JG |
2150 | If CLASS is zero, list all symbols except functions, type names, and |
2151 | constants (enums). | |
bd5635a1 RP |
2152 | If CLASS is 1, list only functions. |
2153 | If CLASS is 2, list only type names. | |
997a978c | 2154 | If CLASS is 3, list only method names. |
bd5635a1 RP |
2155 | |
2156 | BPT is non-zero if we should set a breakpoint at the functions | |
2157 | we find. */ | |
2158 | ||
2159 | static void | |
2160 | list_symbols (regexp, class, bpt) | |
2161 | char *regexp; | |
2162 | int class; | |
2163 | int bpt; | |
2164 | { | |
2165 | register struct symtab *s; | |
2166 | register struct partial_symtab *ps; | |
2167 | register struct blockvector *bv; | |
2168 | struct blockvector *prev_bv = 0; | |
2169 | register struct block *b; | |
2170 | register int i, j; | |
2171 | register struct symbol *sym; | |
2172 | struct partial_symbol *psym; | |
cba0d141 JG |
2173 | struct objfile *objfile; |
2174 | struct minimal_symbol *msymbol; | |
35a25840 | 2175 | char *val; |
bd5635a1 RP |
2176 | static char *classnames[] |
2177 | = {"variable", "function", "type", "method"}; | |
2178 | int found_in_file = 0; | |
997a978c | 2179 | int found_misc = 0; |
cba0d141 JG |
2180 | static enum minimal_symbol_type types[] |
2181 | = {mst_data, mst_text, mst_abs, mst_unknown}; | |
2182 | static enum minimal_symbol_type types2[] | |
2183 | = {mst_bss, mst_text, mst_abs, mst_unknown}; | |
2184 | enum minimal_symbol_type ourtype = types[class]; | |
2185 | enum minimal_symbol_type ourtype2 = types2[class]; | |
bd5635a1 RP |
2186 | |
2187 | if (regexp) | |
2cd99985 PB |
2188 | { |
2189 | /* Make sure spacing is right for C++ operators. | |
2190 | This is just a courtesy to make the matching less sensitive | |
2191 | to how many spaces the user leaves between 'operator' | |
2192 | and <TYPENAME> or <OPERATOR>. */ | |
2193 | char *opend; | |
2194 | char *opname = operator_chars (regexp, &opend); | |
2195 | if (*opname) | |
2196 | { | |
2197 | int fix = -1; /* -1 means ok; otherwise number of spaces needed. */ | |
2198 | if (isalpha(*opname) || *opname == '_' || *opname == '$') | |
2199 | { | |
2200 | /* There should 1 space between 'operator' and 'TYPENAME'. */ | |
2201 | if (opname[-1] != ' ' || opname[-2] == ' ') | |
2202 | fix = 1; | |
2203 | } | |
2204 | else | |
2205 | { | |
2206 | /* There should 0 spaces between 'operator' and 'OPERATOR'. */ | |
2207 | if (opname[-1] == ' ') | |
2208 | fix = 0; | |
2209 | } | |
2210 | /* If wrong number of spaces, fix it. */ | |
2211 | if (fix >= 0) | |
2212 | { | |
2213 | char *tmp = (char*) alloca(opend-opname+10); | |
2214 | sprintf(tmp, "operator%.*s%s", fix, " ", opname); | |
2215 | regexp = tmp; | |
2216 | } | |
2217 | } | |
2218 | ||
2219 | if (0 != (val = re_comp (regexp))) | |
2220 | error ("Invalid regexp (%s): %s", val, regexp); | |
2221 | } | |
bd5635a1 | 2222 | |
cba0d141 | 2223 | /* Search through the partial symtabs *first* for all symbols |
bd5635a1 RP |
2224 | matching the regexp. That way we don't have to reproduce all of |
2225 | the machinery below. */ | |
bd5635a1 | 2226 | |
35a25840 | 2227 | ALL_PSYMTABS (objfile, ps) |
cba0d141 | 2228 | { |
35a25840 SG |
2229 | struct partial_symbol *bound, *gbound, *sbound; |
2230 | int keep_going = 1; | |
2231 | ||
2232 | if (ps->readin) continue; | |
2233 | ||
2234 | gbound = objfile->global_psymbols.list + ps->globals_offset + ps->n_global_syms; | |
2235 | sbound = objfile->static_psymbols.list + ps->statics_offset + ps->n_static_syms; | |
2236 | bound = gbound; | |
2237 | ||
2238 | /* Go through all of the symbols stored in a partial | |
2239 | symtab in one loop. */ | |
2240 | psym = objfile->global_psymbols.list + ps->globals_offset; | |
2241 | while (keep_going) | |
bd5635a1 | 2242 | { |
35a25840 | 2243 | if (psym >= bound) |
bd5635a1 | 2244 | { |
35a25840 | 2245 | if (bound == gbound && ps->n_static_syms != 0) |
bd5635a1 | 2246 | { |
35a25840 SG |
2247 | psym = objfile->static_psymbols.list + ps->statics_offset; |
2248 | bound = sbound; | |
bd5635a1 RP |
2249 | } |
2250 | else | |
35a25840 SG |
2251 | keep_going = 0; |
2252 | continue; | |
2253 | } | |
2254 | else | |
2255 | { | |
2256 | QUIT; | |
2257 | ||
2258 | /* If it would match (logic taken from loop below) | |
2259 | load the file and go on to the next one */ | |
2260 | if ((regexp == 0 || NAME_MATCH (SYMBOL_NAME (psym))) | |
2261 | && ((class == 0 && SYMBOL_CLASS (psym) != LOC_TYPEDEF | |
2262 | && SYMBOL_CLASS (psym) != LOC_BLOCK) | |
2263 | || (class == 1 && SYMBOL_CLASS (psym) == LOC_BLOCK) | |
2264 | || (class == 2 && SYMBOL_CLASS (psym) == LOC_TYPEDEF) | |
2265 | || (class == 3 && SYMBOL_CLASS (psym) == LOC_BLOCK))) | |
bd5635a1 | 2266 | { |
4ed3a9ea | 2267 | PSYMTAB_TO_SYMTAB(ps); |
35a25840 | 2268 | keep_going = 0; |
bd5635a1 RP |
2269 | } |
2270 | } | |
35a25840 | 2271 | psym++; |
bd5635a1 RP |
2272 | } |
2273 | } | |
2274 | ||
cba0d141 | 2275 | /* Here, we search through the minimal symbol tables for functions that |
bd5635a1 RP |
2276 | match, and call find_pc_symtab on them to force their symbols to |
2277 | be read. The symbol will then be found during the scan of symtabs | |
997a978c JG |
2278 | below. If find_pc_symtab fails, set found_misc so that we will |
2279 | rescan to print any matching symbols without debug info. */ | |
2280 | ||
cba0d141 JG |
2281 | if (class == 1) |
2282 | { | |
35a25840 | 2283 | ALL_MSYMBOLS (objfile, msymbol) |
cba0d141 | 2284 | { |
35a25840 | 2285 | if (msymbol -> type == ourtype || msymbol -> type == ourtype2) |
cba0d141 | 2286 | { |
35a25840 | 2287 | if (regexp == 0 || NAME_MATCH (msymbol -> name)) |
cba0d141 | 2288 | { |
35a25840 | 2289 | if (0 == find_pc_symtab (msymbol -> address)) |
cba0d141 | 2290 | { |
35a25840 | 2291 | found_misc = 1; |
cba0d141 JG |
2292 | } |
2293 | } | |
2294 | } | |
2295 | } | |
bd5635a1 RP |
2296 | } |
2297 | ||
2298 | /* Printout here so as to get after the "Reading in symbols" | |
2299 | messages which will be generated above. */ | |
2300 | if (!bpt) | |
2301 | printf_filtered (regexp | |
2302 | ? "All %ss matching regular expression \"%s\":\n" | |
2303 | : "All defined %ss:\n", | |
2304 | classnames[class], | |
2305 | regexp); | |
2306 | ||
35a25840 | 2307 | ALL_SYMTABS (objfile, s) |
bd5635a1 | 2308 | { |
35a25840 SG |
2309 | found_in_file = 0; |
2310 | bv = BLOCKVECTOR (s); | |
2311 | /* Often many files share a blockvector. | |
2312 | Scan each blockvector only once so that | |
2313 | we don't get every symbol many times. | |
2314 | It happens that the first symtab in the list | |
2315 | for any given blockvector is the main file. */ | |
2316 | if (bv != prev_bv) | |
2317 | for (i = GLOBAL_BLOCK; i <= STATIC_BLOCK; i++) | |
2318 | { | |
2319 | b = BLOCKVECTOR_BLOCK (bv, i); | |
2320 | /* Skip the sort if this block is always sorted. */ | |
2321 | if (!BLOCK_SHOULD_SORT (b)) | |
2322 | sort_block_syms (b); | |
2323 | for (j = 0; j < BLOCK_NSYMS (b); j++) | |
bd5635a1 | 2324 | { |
35a25840 SG |
2325 | QUIT; |
2326 | sym = BLOCK_SYM (b, j); | |
2327 | if ((regexp == 0 || NAME_MATCH (SYMBOL_NAME (sym))) | |
2328 | && ((class == 0 && SYMBOL_CLASS (sym) != LOC_TYPEDEF | |
3a16d640 JG |
2329 | && SYMBOL_CLASS (sym) != LOC_BLOCK |
2330 | && SYMBOL_CLASS (sym) != LOC_CONST) | |
35a25840 SG |
2331 | || (class == 1 && SYMBOL_CLASS (sym) == LOC_BLOCK) |
2332 | || (class == 2 && SYMBOL_CLASS (sym) == LOC_TYPEDEF) | |
2333 | || (class == 3 && SYMBOL_CLASS (sym) == LOC_BLOCK))) | |
bd5635a1 | 2334 | { |
35a25840 | 2335 | if (bpt) |
bd5635a1 | 2336 | { |
35a25840 SG |
2337 | /* Set a breakpoint here, if it's a function */ |
2338 | if (class == 1) | |
2339 | break_command (SYMBOL_NAME(sym), 0); | |
2340 | } | |
2341 | else if (!found_in_file) | |
2342 | { | |
2343 | fputs_filtered ("\nFile ", stdout); | |
2344 | fputs_filtered (s->filename, stdout); | |
2345 | fputs_filtered (":\n", stdout); | |
2346 | } | |
2347 | found_in_file = 1; | |
2348 | ||
2349 | if (class != 2 && i == STATIC_BLOCK) | |
2350 | printf_filtered ("static "); | |
2351 | ||
2352 | /* Typedef that is not a C++ class */ | |
2353 | if (class == 2 | |
2354 | && SYMBOL_NAMESPACE (sym) != STRUCT_NAMESPACE) | |
a8a69e63 | 2355 | c_typedef_print (SYMBOL_TYPE(sym), sym, stdout); |
35a25840 SG |
2356 | /* variable, func, or typedef-that-is-c++-class */ |
2357 | else if (class < 2 || | |
2358 | (class == 2 && | |
2359 | SYMBOL_NAMESPACE(sym) == STRUCT_NAMESPACE)) | |
2360 | { | |
2361 | type_print (SYMBOL_TYPE (sym), | |
2362 | (SYMBOL_CLASS (sym) == LOC_TYPEDEF | |
2363 | ? "" : SYMBOL_NAME (sym)), | |
2364 | stdout, 0); | |
cba0d141 | 2365 | |
35a25840 SG |
2366 | printf_filtered (";\n"); |
2367 | } | |
2368 | else | |
2369 | { | |
a8a69e63 | 2370 | # if 0 /* FIXME, why is this zapped out? */ |
35a25840 | 2371 | char buf[1024]; |
a8a69e63 FF |
2372 | c_type_print_base (TYPE_FN_FIELD_TYPE(t, i), |
2373 | stdout, 0, 0); | |
2374 | c_type_print_varspec_prefix (TYPE_FN_FIELD_TYPE(t, i), | |
2375 | stdout, 0); | |
35a25840 | 2376 | sprintf (buf, " %s::", type_name_no_tag (t)); |
a8a69e63 FF |
2377 | cp_type_print_method_args (TYPE_FN_FIELD_ARGS (t, i), |
2378 | buf, name, stdout); | |
bd5635a1 RP |
2379 | # endif |
2380 | } | |
2381 | } | |
2382 | } | |
35a25840 SG |
2383 | } |
2384 | prev_bv = bv; | |
bd5635a1 | 2385 | } |
997a978c | 2386 | |
997a978c | 2387 | /* If there are no eyes, avoid all contact. I mean, if there are |
cba0d141 JG |
2388 | no debug symbols, then print directly from the msymbol_vector. */ |
2389 | ||
2390 | if (found_misc || class != 1) | |
2391 | { | |
2392 | found_in_file = 0; | |
35a25840 | 2393 | ALL_MSYMBOLS (objfile, msymbol) |
cba0d141 | 2394 | { |
35a25840 | 2395 | if (msymbol -> type == ourtype || msymbol -> type == ourtype2) |
cba0d141 | 2396 | { |
35a25840 | 2397 | if (regexp == 0 || NAME_MATCH (msymbol -> name)) |
cba0d141 | 2398 | { |
35a25840 | 2399 | /* Functions: Look up by address. */ |
f70be3e4 JG |
2400 | if (class != 1 || |
2401 | (0 == find_pc_symtab (msymbol -> address))) | |
cba0d141 | 2402 | { |
35a25840 SG |
2403 | /* Variables/Absolutes: Look up by name */ |
2404 | if (lookup_symbol (msymbol -> name, | |
2405 | (struct block *) 0, VAR_NAMESPACE, 0, | |
2406 | (struct symtab **) 0) == NULL) | |
cba0d141 | 2407 | { |
35a25840 | 2408 | if (!found_in_file) |
cba0d141 | 2409 | { |
35a25840 SG |
2410 | printf_filtered ("\nNon-debugging symbols:\n"); |
2411 | found_in_file = 1; | |
cba0d141 | 2412 | } |
35a25840 SG |
2413 | printf_filtered (" %08x %s\n", |
2414 | msymbol -> address, | |
2415 | msymbol -> name); | |
cba0d141 JG |
2416 | } |
2417 | } | |
2418 | } | |
2419 | } | |
997a978c | 2420 | } |
997a978c | 2421 | } |
bd5635a1 RP |
2422 | } |
2423 | ||
2424 | static void | |
35a25840 | 2425 | variables_info (regexp, from_tty) |
bd5635a1 | 2426 | char *regexp; |
35a25840 | 2427 | int from_tty; |
bd5635a1 RP |
2428 | { |
2429 | list_symbols (regexp, 0, 0); | |
2430 | } | |
2431 | ||
2432 | static void | |
35a25840 | 2433 | functions_info (regexp, from_tty) |
bd5635a1 | 2434 | char *regexp; |
35a25840 | 2435 | int from_tty; |
bd5635a1 RP |
2436 | { |
2437 | list_symbols (regexp, 1, 0); | |
2438 | } | |
2439 | ||
bd5635a1 | 2440 | static void |
35a25840 | 2441 | types_info (regexp, from_tty) |
bd5635a1 | 2442 | char *regexp; |
35a25840 | 2443 | int from_tty; |
bd5635a1 RP |
2444 | { |
2445 | list_symbols (regexp, 2, 0); | |
2446 | } | |
bd5635a1 RP |
2447 | |
2448 | #if 0 | |
2449 | /* Tiemann says: "info methods was never implemented." */ | |
2450 | static void | |
2451 | methods_info (regexp) | |
2452 | char *regexp; | |
2453 | { | |
2454 | list_symbols (regexp, 3, 0); | |
2455 | } | |
2456 | #endif /* 0 */ | |
2457 | ||
2458 | /* Breakpoint all functions matching regular expression. */ | |
2459 | static void | |
35a25840 | 2460 | rbreak_command (regexp, from_tty) |
bd5635a1 | 2461 | char *regexp; |
35a25840 | 2462 | int from_tty; |
bd5635a1 RP |
2463 | { |
2464 | list_symbols (regexp, 1, 1); | |
2465 | } | |
2466 | \f | |
bd5635a1 RP |
2467 | |
2468 | /* Return Nonzero if block a is lexically nested within block b, | |
2469 | or if a and b have the same pc range. | |
2470 | Return zero otherwise. */ | |
2471 | int | |
2472 | contained_in (a, b) | |
2473 | struct block *a, *b; | |
2474 | { | |
2475 | if (!a || !b) | |
2476 | return 0; | |
2477 | return BLOCK_START (a) >= BLOCK_START (b) | |
2478 | && BLOCK_END (a) <= BLOCK_END (b); | |
2479 | } | |
2480 | ||
2481 | \f | |
2482 | /* Helper routine for make_symbol_completion_list. */ | |
2483 | ||
f70be3e4 JG |
2484 | static int return_val_size; |
2485 | static int return_val_index; | |
2486 | static char **return_val; | |
2487 | ||
2488 | /* Test to see if the symbol specified by SYMNAME (or it's demangled | |
2489 | equivalent) matches TEXT in the first TEXT_LEN characters. If so, | |
2490 | add it to the current completion list. */ | |
bd5635a1 | 2491 | |
cba0d141 | 2492 | static void |
f70be3e4 | 2493 | completion_list_add_symbol (symname, text, text_len) |
bd5635a1 | 2494 | char *symname; |
f70be3e4 JG |
2495 | char *text; |
2496 | int text_len; | |
bd5635a1 | 2497 | { |
f70be3e4 JG |
2498 | char *demangled; |
2499 | int newsize; | |
8005788c RP |
2500 | int i; |
2501 | ||
2502 | /* clip symbols that cannot match */ | |
2503 | ||
2504 | if (!cplus_match (symname, text, text_len)) { | |
2505 | return; | |
2506 | } | |
2507 | ||
2508 | /* matches mangled, may match unmangled. now clip any symbol names | |
2509 | that we've already considered. (This is a time optimization) */ | |
f70be3e4 | 2510 | |
8005788c RP |
2511 | for (i = 0; i < return_val_index; ++i) { |
2512 | if (strcmp (symname, return_val[i]) == 0) { | |
2513 | return; | |
2514 | } | |
2515 | } | |
2516 | ||
2517 | /* See if SYMNAME is a C++ mangled name, and if so, use the | |
2518 | demangled name instead, including any parameters. */ | |
f70be3e4 JG |
2519 | |
2520 | if ((demangled = cplus_demangle (symname, DMGL_PARAMS | DMGL_ANSI)) != NULL) | |
2521 | { | |
8005788c RP |
2522 | if (strncmp (demangled, text, text_len) != 0) { |
2523 | return; | |
2524 | } /* demangled, but didn't match so clip it */ | |
2525 | ||
f70be3e4 | 2526 | symname = demangled; |
8005788c RP |
2527 | } else { |
2528 | symname = savestring (symname, strlen (symname)); | |
f70be3e4 JG |
2529 | } |
2530 | ||
2531 | /* If we have a match for a completion, then add SYMNAME to the current | |
8005788c RP |
2532 | list of matches. Note that the name is in freshly malloc'd space; |
2533 | either from cplus_demangle or from savestring above. */ | |
f70be3e4 | 2534 | |
8005788c | 2535 | if (return_val_index + 3 > return_val_size) |
f70be3e4 | 2536 | { |
8005788c RP |
2537 | newsize = (return_val_size *= 2) * sizeof (char *); |
2538 | return_val = (char **) xrealloc ((char *) return_val, newsize); | |
f70be3e4 | 2539 | } |
8005788c RP |
2540 | return_val[return_val_index++] = symname; |
2541 | return_val[return_val_index] = NULL; | |
f70be3e4 | 2542 | |
8005788c | 2543 | return; |
bd5635a1 RP |
2544 | } |
2545 | ||
2546 | /* Return a NULL terminated array of all symbols (regardless of class) which | |
2547 | begin by matching TEXT. If the answer is no symbols, then the return value | |
2548 | is an array which contains only a NULL pointer. | |
2549 | ||
f70be3e4 JG |
2550 | Problem: All of the symbols have to be copied because readline frees them. |
2551 | I'm not going to worry about this; hopefully there won't be that many. */ | |
bd5635a1 RP |
2552 | |
2553 | char ** | |
2554 | make_symbol_completion_list (text) | |
2555 | char *text; | |
2556 | { | |
f70be3e4 | 2557 | register struct symbol *sym; |
bd5635a1 RP |
2558 | register struct symtab *s; |
2559 | register struct partial_symtab *ps; | |
cba0d141 JG |
2560 | register struct minimal_symbol *msymbol; |
2561 | register struct objfile *objfile; | |
bd5635a1 | 2562 | register struct block *b, *surrounding_static_block = 0; |
bd5635a1 | 2563 | register int i, j; |
f70be3e4 | 2564 | int text_len; |
bd5635a1 RP |
2565 | struct partial_symbol *psym; |
2566 | ||
f70be3e4 | 2567 | text_len = strlen (text); |
bd5635a1 RP |
2568 | return_val_size = 100; |
2569 | return_val_index = 0; | |
f70be3e4 JG |
2570 | return_val = (char **) xmalloc ((return_val_size + 1) * sizeof (char *)); |
2571 | return_val[0] = NULL; | |
bd5635a1 RP |
2572 | |
2573 | /* Look through the partial symtabs for all symbols which begin | |
2574 | by matching TEXT. Add each one that you find to the list. */ | |
2575 | ||
35a25840 | 2576 | ALL_PSYMTABS (objfile, ps) |
bd5635a1 | 2577 | { |
35a25840 SG |
2578 | /* If the psymtab's been read in we'll get it when we search |
2579 | through the blockvector. */ | |
2580 | if (ps->readin) continue; | |
2581 | ||
2582 | for (psym = objfile->global_psymbols.list + ps->globals_offset; | |
2583 | psym < (objfile->global_psymbols.list + ps->globals_offset | |
2584 | + ps->n_global_syms); | |
2585 | psym++) | |
bd5635a1 | 2586 | { |
f70be3e4 JG |
2587 | /* If interrupted, then quit. */ |
2588 | QUIT; | |
2589 | completion_list_add_symbol (SYMBOL_NAME (psym), text, text_len); | |
35a25840 SG |
2590 | } |
2591 | ||
2592 | for (psym = objfile->static_psymbols.list + ps->statics_offset; | |
2593 | psym < (objfile->static_psymbols.list + ps->statics_offset | |
2594 | + ps->n_static_syms); | |
2595 | psym++) | |
2596 | { | |
2597 | QUIT; | |
f70be3e4 | 2598 | completion_list_add_symbol (SYMBOL_NAME (psym), text, text_len); |
bd5635a1 RP |
2599 | } |
2600 | } | |
2601 | ||
cba0d141 | 2602 | /* At this point scan through the misc symbol vectors and add each |
bd5635a1 RP |
2603 | symbol you find to the list. Eventually we want to ignore |
2604 | anything that isn't a text symbol (everything else will be | |
2605 | handled by the psymtab code above). */ | |
2606 | ||
35a25840 | 2607 | ALL_MSYMBOLS (objfile, msymbol) |
cba0d141 | 2608 | { |
f70be3e4 JG |
2609 | QUIT; |
2610 | completion_list_add_symbol (msymbol -> name, text, text_len); | |
cba0d141 | 2611 | } |
bd5635a1 RP |
2612 | |
2613 | /* Search upwards from currently selected frame (so that we can | |
2614 | complete on local vars. */ | |
f70be3e4 JG |
2615 | |
2616 | for (b = get_selected_block (); b != NULL; b = BLOCK_SUPERBLOCK (b)) | |
2617 | { | |
2618 | if (!BLOCK_SUPERBLOCK (b)) | |
2619 | { | |
2620 | surrounding_static_block = b; /* For elmin of dups */ | |
2621 | } | |
2622 | ||
2623 | /* Also catch fields of types defined in this places which match our | |
2624 | text string. Only complete on types visible from current context. */ | |
2625 | ||
2626 | for (i = 0; i < BLOCK_NSYMS (b); i++) | |
2627 | { | |
2628 | sym = BLOCK_SYM (b, i); | |
2629 | completion_list_add_symbol (SYMBOL_NAME (sym), text, text_len); | |
2630 | if (SYMBOL_CLASS (sym) == LOC_TYPEDEF) | |
2631 | { | |
2632 | struct type *t = SYMBOL_TYPE (sym); | |
2633 | enum type_code c = TYPE_CODE (t); | |
2634 | ||
2635 | if (c == TYPE_CODE_UNION || c == TYPE_CODE_STRUCT) | |
2636 | { | |
2637 | for (j = TYPE_N_BASECLASSES (t); j < TYPE_NFIELDS (t); j++) | |
2638 | { | |
2639 | if (TYPE_FIELD_NAME (t, j)) | |
2640 | { | |
2641 | completion_list_add_symbol (TYPE_FIELD_NAME (t, j), | |
2642 | text, text_len); | |
2643 | } | |
2644 | } | |
2645 | } | |
2646 | } | |
2647 | } | |
2648 | } | |
2649 | ||
2650 | /* Go through the symtabs and check the externs and statics for | |
2651 | symbols which match. */ | |
2652 | ||
2653 | ALL_SYMTABS (objfile, s) | |
2654 | { | |
2655 | QUIT; | |
2656 | b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), GLOBAL_BLOCK); | |
2657 | for (i = 0; i < BLOCK_NSYMS (b); i++) | |
2658 | { | |
2659 | sym = BLOCK_SYM (b, i); | |
2660 | completion_list_add_symbol (SYMBOL_NAME (sym), text, text_len); | |
2661 | } | |
2662 | } | |
2663 | ||
2664 | ALL_SYMTABS (objfile, s) | |
2665 | { | |
2666 | QUIT; | |
2667 | b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK); | |
2668 | /* Don't do this block twice. */ | |
2669 | if (b == surrounding_static_block) continue; | |
2670 | for (i = 0; i < BLOCK_NSYMS (b); i++) | |
2671 | { | |
2672 | sym = BLOCK_SYM (b, i); | |
2673 | completion_list_add_symbol (SYMBOL_NAME (sym), text, text_len); | |
2674 | } | |
2675 | } | |
2676 | ||
2677 | return (return_val); | |
2678 | } | |
2679 | ||
2680 | \f | |
2681 | /* Find a mangled symbol that corresponds to LOOKFOR using brute force. | |
2682 | Basically we go munging through available symbols, demangling each one, | |
2683 | looking for a match on the demangled result. */ | |
2684 | ||
2685 | static char * | |
2686 | expensive_mangler (lookfor) | |
2687 | const char *lookfor; | |
2688 | { | |
2689 | register struct symbol *sym; | |
2690 | register struct symtab *s; | |
2691 | register struct partial_symtab *ps; | |
2692 | register struct minimal_symbol *msymbol; | |
2693 | register struct objfile *objfile; | |
2694 | register struct block *b, *surrounding_static_block = 0; | |
2695 | register int i, j; | |
2696 | struct partial_symbol *psym; | |
2697 | char *demangled; | |
2698 | ||
2699 | /* Look through the partial symtabs for a symbol that matches */ | |
2700 | ||
2701 | ALL_PSYMTABS (objfile, ps) | |
2702 | { | |
2703 | /* If the psymtab's been read in we'll get it when we search | |
2704 | through the blockvector. */ | |
2705 | if (ps->readin) continue; | |
2706 | ||
2707 | for (psym = objfile->global_psymbols.list + ps->globals_offset; | |
2708 | psym < (objfile->global_psymbols.list + ps->globals_offset | |
2709 | + ps->n_global_syms); | |
2710 | psym++) | |
2711 | { | |
2712 | QUIT; /* If interrupted, then quit. */ | |
2713 | demangled = demangle_and_match (SYMBOL_NAME (psym), lookfor, | |
2714 | DMGL_PARAMS | DMGL_ANSI); | |
2715 | if (demangled != NULL) | |
2716 | { | |
2717 | free (demangled); | |
2718 | return (SYMBOL_NAME (psym)); | |
2719 | } | |
2720 | } | |
2721 | ||
2722 | for (psym = objfile->static_psymbols.list + ps->statics_offset; | |
2723 | psym < (objfile->static_psymbols.list + ps->statics_offset | |
2724 | + ps->n_static_syms); | |
2725 | psym++) | |
2726 | { | |
2727 | QUIT; | |
2728 | demangled = demangle_and_match (SYMBOL_NAME (psym), lookfor, | |
2729 | DMGL_PARAMS | DMGL_ANSI); | |
2730 | if (demangled != NULL) | |
2731 | { | |
2732 | free (demangled); | |
2733 | return (SYMBOL_NAME (psym)); | |
2734 | } | |
2735 | } | |
2736 | } | |
2737 | ||
2738 | /* Scan through the misc symbol vectors looking for a match. */ | |
2739 | ||
2740 | ALL_MSYMBOLS (objfile, msymbol) | |
2741 | { | |
2742 | QUIT; | |
2743 | demangled = demangle_and_match (msymbol -> name, lookfor, | |
2744 | DMGL_PARAMS | DMGL_ANSI); | |
2745 | if (demangled != NULL) | |
2746 | { | |
2747 | free (demangled); | |
2748 | return (msymbol -> name); | |
2749 | } | |
2750 | } | |
2751 | ||
2752 | /* Search upwards from currently selected frame looking for a match */ | |
2753 | ||
bd5635a1 RP |
2754 | for (b = get_selected_block (); b; b = BLOCK_SUPERBLOCK (b)) |
2755 | { | |
2756 | if (!BLOCK_SUPERBLOCK (b)) | |
2757 | surrounding_static_block = b; /* For elmin of dups */ | |
2758 | ||
2759 | /* Also catch fields of types defined in this places which | |
2760 | match our text string. Only complete on types visible | |
2761 | from current context. */ | |
2762 | for (i = 0; i < BLOCK_NSYMS (b); i++) | |
2763 | { | |
f70be3e4 JG |
2764 | sym = BLOCK_SYM (b, i); |
2765 | demangled = demangle_and_match (SYMBOL_NAME (sym), lookfor, | |
2766 | DMGL_PARAMS | DMGL_ANSI); | |
2767 | if (demangled != NULL) | |
2768 | { | |
2769 | free (demangled); | |
2770 | return (SYMBOL_NAME (sym)); | |
2771 | } | |
bd5635a1 RP |
2772 | if (SYMBOL_CLASS (sym) == LOC_TYPEDEF) |
2773 | { | |
2774 | struct type *t = SYMBOL_TYPE (sym); | |
2775 | enum type_code c = TYPE_CODE (t); | |
2776 | ||
2777 | if (c == TYPE_CODE_UNION || c == TYPE_CODE_STRUCT) | |
f70be3e4 JG |
2778 | { |
2779 | for (j = TYPE_N_BASECLASSES (t); j < TYPE_NFIELDS (t); j++) | |
2780 | { | |
2781 | if (TYPE_FIELD_NAME (t, j)) | |
2782 | { | |
2783 | demangled = | |
2784 | demangle_and_match (TYPE_FIELD_NAME (t, j), | |
2785 | lookfor, | |
2786 | DMGL_PARAMS | DMGL_ANSI); | |
2787 | if (demangled != NULL) | |
2788 | { | |
2789 | free (demangled); | |
2790 | return (TYPE_FIELD_NAME (t, j)); | |
2791 | } | |
2792 | } | |
2793 | } | |
2794 | } | |
bd5635a1 RP |
2795 | } |
2796 | } | |
2797 | } | |
2798 | ||
2799 | /* Go through the symtabs and check the externs and statics for | |
2800 | symbols which match. */ | |
2801 | ||
35a25840 | 2802 | ALL_SYMTABS (objfile, s) |
bd5635a1 | 2803 | { |
f70be3e4 | 2804 | QUIT; |
35a25840 | 2805 | b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), GLOBAL_BLOCK); |
35a25840 | 2806 | for (i = 0; i < BLOCK_NSYMS (b); i++) |
f70be3e4 JG |
2807 | { |
2808 | sym = BLOCK_SYM (b, i); | |
2809 | demangled = demangle_and_match (SYMBOL_NAME (sym), lookfor, | |
2810 | DMGL_PARAMS | DMGL_ANSI); | |
2811 | if (demangled != NULL) | |
2812 | { | |
2813 | free (demangled); | |
2814 | return (SYMBOL_NAME (sym)); | |
2815 | } | |
2816 | } | |
bd5635a1 RP |
2817 | } |
2818 | ||
35a25840 | 2819 | ALL_SYMTABS (objfile, s) |
bd5635a1 | 2820 | { |
f70be3e4 | 2821 | QUIT; |
35a25840 | 2822 | b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK); |
35a25840 SG |
2823 | /* Don't do this block twice. */ |
2824 | if (b == surrounding_static_block) continue; | |
35a25840 | 2825 | for (i = 0; i < BLOCK_NSYMS (b); i++) |
f70be3e4 JG |
2826 | { |
2827 | sym = BLOCK_SYM (b, i); | |
2828 | demangled = demangle_and_match (SYMBOL_NAME (sym), lookfor, | |
2829 | DMGL_PARAMS | DMGL_ANSI); | |
2830 | if (demangled != NULL) | |
2831 | { | |
2832 | free (demangled); | |
2833 | return (SYMBOL_NAME (sym)); | |
2834 | } | |
2835 | } | |
bd5635a1 RP |
2836 | } |
2837 | ||
f70be3e4 | 2838 | return (NULL); |
bd5635a1 | 2839 | } |
f70be3e4 | 2840 | |
bd5635a1 | 2841 | \f |
997a978c JG |
2842 | #if 0 |
2843 | /* Add the type of the symbol sym to the type of the current | |
2844 | function whose block we are in (assumed). The type of | |
2845 | this current function is contained in *TYPE. | |
2846 | ||
2847 | This basically works as follows: When we find a function | |
2848 | symbol (N_FUNC with a 'f' or 'F' in the symbol name), we record | |
2849 | a pointer to its type in the global in_function_type. Every | |
2850 | time we come across a parameter symbol ('p' in its name), then | |
2851 | this procedure adds the name and type of that parameter | |
2852 | to the function type pointed to by *TYPE. (Which should correspond | |
2853 | to in_function_type if it was called correctly). | |
2854 | ||
2855 | Note that since we are modifying a type, the result of | |
51b57ded | 2856 | lookup_function_type() should be memcpy()ed before calling |
997a978c JG |
2857 | this. When not in strict typing mode, the expression |
2858 | evaluator can choose to ignore this. | |
2859 | ||
2860 | Assumption: All of a function's parameter symbols will | |
2861 | appear before another function symbol is found. The parameters | |
2862 | appear in the same order in the argument list as they do in the | |
2863 | symbol table. */ | |
2864 | ||
2865 | void | |
2866 | add_param_to_type (type,sym) | |
2867 | struct type **type; | |
2868 | struct symbol *sym; | |
2869 | { | |
2870 | int num = ++(TYPE_NFIELDS(*type)); | |
2871 | ||
2872 | if(TYPE_NFIELDS(*type)-1) | |
cba0d141 JG |
2873 | TYPE_FIELDS(*type) = (struct field *) |
2874 | (*current_objfile->xrealloc) ((char *)(TYPE_FIELDS(*type)), | |
2875 | num*sizeof(struct field)); | |
997a978c | 2876 | else |
cba0d141 JG |
2877 | TYPE_FIELDS(*type) = (struct field *) |
2878 | (*current_objfile->xmalloc) (num*sizeof(struct field)); | |
997a978c JG |
2879 | |
2880 | TYPE_FIELD_BITPOS(*type,num-1) = num-1; | |
2881 | TYPE_FIELD_BITSIZE(*type,num-1) = 0; | |
2882 | TYPE_FIELD_TYPE(*type,num-1) = SYMBOL_TYPE(sym); | |
2883 | TYPE_FIELD_NAME(*type,num-1) = SYMBOL_NAME(sym); | |
2884 | } | |
2885 | #endif | |
2886 | \f | |
bd5635a1 RP |
2887 | void |
2888 | _initialize_symtab () | |
2889 | { | |
2890 | add_info ("variables", variables_info, | |
2891 | "All global and static variable names, or those matching REGEXP."); | |
2892 | add_info ("functions", functions_info, | |
2893 | "All function names, or those matching REGEXP."); | |
3ba6a043 JG |
2894 | |
2895 | /* FIXME: This command has at least the following problems: | |
bd5635a1 RP |
2896 | 1. It prints builtin types (in a very strange and confusing fashion). |
2897 | 2. It doesn't print right, e.g. with | |
2898 | typedef struct foo *FOO | |
2899 | type_print prints "FOO" when we want to make it (in this situation) | |
2900 | print "struct foo *". | |
2901 | I also think "ptype" or "whatis" is more likely to be useful (but if | |
2902 | there is much disagreement "info types" can be fixed). */ | |
2903 | add_info ("types", types_info, | |
a0a6174a | 2904 | "All type names, or those matching REGEXP."); |
3ba6a043 | 2905 | |
bd5635a1 RP |
2906 | #if 0 |
2907 | add_info ("methods", methods_info, | |
2908 | "All method names, or those matching REGEXP::REGEXP.\n\ | |
50e0dc41 | 2909 | If the class qualifier is omitted, it is assumed to be the current scope.\n\ |
cba0d141 | 2910 | If the first REGEXP is omitted, then all methods matching the second REGEXP\n\ |
bd5635a1 RP |
2911 | are listed."); |
2912 | #endif | |
2913 | add_info ("sources", sources_info, | |
2914 | "Source files in the program."); | |
2915 | ||
2916 | add_com ("rbreak", no_class, rbreak_command, | |
2917 | "Set a breakpoint for all functions matching REGEXP."); | |
2918 | ||
997a978c | 2919 | /* Initialize the one built-in type that isn't language dependent... */ |
cba0d141 JG |
2920 | builtin_type_error = init_type (TYPE_CODE_ERROR, 0, 0, |
2921 | "<unknown type>", (struct objfile *) NULL); | |
bd5635a1 | 2922 | } |