Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Symbol table lookup for the GNU debugger, GDB. |
8926118c AC |
2 | |
3 | Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, | |
083ae935 DJ |
4 | 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 |
5 | Free Software Foundation, Inc. | |
c906108c | 6 | |
c5aa993b | 7 | This file is part of GDB. |
c906108c | 8 | |
c5aa993b JM |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
c906108c | 13 | |
c5aa993b JM |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
c906108c | 18 | |
c5aa993b JM |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, | |
22 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
23 | |
24 | #include "defs.h" | |
25 | #include "symtab.h" | |
26 | #include "gdbtypes.h" | |
27 | #include "gdbcore.h" | |
28 | #include "frame.h" | |
29 | #include "target.h" | |
30 | #include "value.h" | |
31 | #include "symfile.h" | |
32 | #include "objfiles.h" | |
33 | #include "gdbcmd.h" | |
34 | #include "call-cmds.h" | |
88987551 | 35 | #include "gdb_regex.h" |
c906108c SS |
36 | #include "expression.h" |
37 | #include "language.h" | |
38 | #include "demangle.h" | |
39 | #include "inferior.h" | |
c5f0f3d0 | 40 | #include "linespec.h" |
0378c332 | 41 | #include "source.h" |
a7fdf62f | 42 | #include "filenames.h" /* for FILENAME_CMP */ |
1bae87b9 | 43 | #include "objc-lang.h" |
c906108c | 44 | |
2de7ced7 DJ |
45 | #include "hashtab.h" |
46 | ||
04ea0df1 | 47 | #include "gdb_obstack.h" |
fe898f56 | 48 | #include "block.h" |
c906108c SS |
49 | |
50 | #include <sys/types.h> | |
51 | #include <fcntl.h> | |
52 | #include "gdb_string.h" | |
53 | #include "gdb_stat.h" | |
54 | #include <ctype.h> | |
015a42b4 | 55 | #include "cp-abi.h" |
c906108c | 56 | |
c906108c SS |
57 | /* Prototypes for local functions */ |
58 | ||
a14ed312 | 59 | static void completion_list_add_name (char *, char *, int, char *, char *); |
c906108c | 60 | |
a14ed312 | 61 | static void rbreak_command (char *, int); |
c906108c | 62 | |
a14ed312 | 63 | static void types_info (char *, int); |
c906108c | 64 | |
a14ed312 | 65 | static void functions_info (char *, int); |
c906108c | 66 | |
a14ed312 | 67 | static void variables_info (char *, int); |
c906108c | 68 | |
a14ed312 | 69 | static void sources_info (char *, int); |
c906108c | 70 | |
a14ed312 | 71 | static void output_source_filename (char *, int *); |
c906108c | 72 | |
a14ed312 | 73 | static int find_line_common (struct linetable *, int, int *); |
c906108c | 74 | |
50641945 FN |
75 | /* This one is used by linespec.c */ |
76 | ||
77 | char *operator_chars (char *p, char **end); | |
78 | ||
b37bcaa8 | 79 | static struct partial_symbol *lookup_partial_symbol (struct partial_symtab *, |
3d4e8fd2 | 80 | const char *, |
b37bcaa8 | 81 | const char *, int, |
176620f1 | 82 | domain_enum); |
c906108c | 83 | |
3121eff0 | 84 | static struct symbol *lookup_symbol_aux (const char *name, |
5ad1c190 | 85 | const char *linkage_name, |
3121eff0 | 86 | const struct block *block, |
176620f1 | 87 | const domain_enum domain, |
3121eff0 DJ |
88 | int *is_a_field_of_this, |
89 | struct symtab **symtab); | |
fba7f19c | 90 | |
e4051eeb DC |
91 | static |
92 | struct symbol *lookup_symbol_aux_local (const char *name, | |
5ad1c190 | 93 | const char *linkage_name, |
e4051eeb | 94 | const struct block *block, |
176620f1 | 95 | const domain_enum domain, |
89a9d1b1 | 96 | struct symtab **symtab); |
8155455b | 97 | |
f61e8913 DC |
98 | static |
99 | struct symbol *lookup_symbol_aux_block (const char *name, | |
5ad1c190 | 100 | const char *linkage_name, |
f61e8913 | 101 | const struct block *block, |
176620f1 | 102 | const domain_enum domain, |
f61e8913 DC |
103 | struct symtab **symtab); |
104 | ||
8155455b DC |
105 | static |
106 | struct symbol *lookup_symbol_aux_symtabs (int block_index, | |
107 | const char *name, | |
5ad1c190 | 108 | const char *linkage_name, |
176620f1 | 109 | const domain_enum domain, |
8155455b DC |
110 | struct symtab **symtab); |
111 | ||
112 | static | |
113 | struct symbol *lookup_symbol_aux_psymtabs (int block_index, | |
114 | const char *name, | |
5ad1c190 | 115 | const char *linkage_name, |
176620f1 | 116 | const domain_enum domain, |
8155455b | 117 | struct symtab **symtab); |
fba7f19c | 118 | |
ae2f03ac | 119 | #if 0 |
406bc4de DC |
120 | static |
121 | struct symbol *lookup_symbol_aux_minsyms (const char *name, | |
5ad1c190 | 122 | const char *linkage_name, |
176620f1 | 123 | const domain_enum domain, |
406bc4de | 124 | int *is_a_field_of_this, |
e45febe2 | 125 | struct symtab **symtab); |
ae2f03ac | 126 | #endif |
406bc4de | 127 | |
a14ed312 | 128 | static struct symbol *find_active_alias (struct symbol *sym, CORE_ADDR addr); |
c906108c SS |
129 | |
130 | /* This flag is used in hppa-tdep.c, and set in hp-symtab-read.c */ | |
131 | /* Signals the presence of objects compiled by HP compilers */ | |
132 | int hp_som_som_object_present = 0; | |
133 | ||
a14ed312 | 134 | static void fixup_section (struct general_symbol_info *, struct objfile *); |
c906108c | 135 | |
a14ed312 | 136 | static int file_matches (char *, char **, int); |
c906108c | 137 | |
176620f1 | 138 | static void print_symbol_info (domain_enum, |
a14ed312 | 139 | struct symtab *, struct symbol *, int, char *); |
c906108c | 140 | |
a14ed312 | 141 | static void print_msymbol_info (struct minimal_symbol *); |
c906108c | 142 | |
176620f1 | 143 | static void symtab_symbol_info (char *, domain_enum, int); |
c906108c | 144 | |
a14ed312 | 145 | static void overload_list_add_symbol (struct symbol *sym, char *oload_name); |
392a587b | 146 | |
a14ed312 | 147 | void _initialize_symtab (void); |
c906108c SS |
148 | |
149 | /* */ | |
150 | ||
151 | /* The single non-language-specific builtin type */ | |
152 | struct type *builtin_type_error; | |
153 | ||
154 | /* Block in which the most recently searched-for symbol was found. | |
155 | Might be better to make this a parameter to lookup_symbol and | |
156 | value_of_this. */ | |
157 | ||
158 | const struct block *block_found; | |
159 | ||
c906108c SS |
160 | /* Check for a symtab of a specific name; first in symtabs, then in |
161 | psymtabs. *If* there is no '/' in the name, a match after a '/' | |
162 | in the symtab filename will also work. */ | |
163 | ||
1b15f1fa TT |
164 | struct symtab * |
165 | lookup_symtab (const char *name) | |
c906108c SS |
166 | { |
167 | register struct symtab *s; | |
168 | register struct partial_symtab *ps; | |
c906108c | 169 | register struct objfile *objfile; |
58d370e0 | 170 | char *real_path = NULL; |
f079a2e5 | 171 | char *full_path = NULL; |
58d370e0 TT |
172 | |
173 | /* Here we are interested in canonicalizing an absolute path, not | |
174 | absolutizing a relative path. */ | |
175 | if (IS_ABSOLUTE_PATH (name)) | |
f079a2e5 JB |
176 | { |
177 | full_path = xfullpath (name); | |
178 | make_cleanup (xfree, full_path); | |
179 | real_path = gdb_realpath (name); | |
180 | make_cleanup (xfree, real_path); | |
181 | } | |
c906108c | 182 | |
c5aa993b | 183 | got_symtab: |
c906108c SS |
184 | |
185 | /* First, search for an exact match */ | |
186 | ||
187 | ALL_SYMTABS (objfile, s) | |
58d370e0 | 188 | { |
a7fdf62f | 189 | if (FILENAME_CMP (name, s->filename) == 0) |
58d370e0 | 190 | { |
58d370e0 TT |
191 | return s; |
192 | } | |
f079a2e5 | 193 | |
58d370e0 TT |
194 | /* If the user gave us an absolute path, try to find the file in |
195 | this symtab and use its absolute path. */ | |
f079a2e5 JB |
196 | |
197 | if (full_path != NULL) | |
198 | { | |
199 | const char *fp = symtab_to_filename (s); | |
200 | if (FILENAME_CMP (full_path, fp) == 0) | |
201 | { | |
202 | return s; | |
203 | } | |
204 | } | |
205 | ||
58d370e0 TT |
206 | if (real_path != NULL) |
207 | { | |
25f1b008 | 208 | char *rp = gdb_realpath (symtab_to_filename (s)); |
f079a2e5 | 209 | make_cleanup (xfree, rp); |
58d370e0 TT |
210 | if (FILENAME_CMP (real_path, rp) == 0) |
211 | { | |
58d370e0 TT |
212 | return s; |
213 | } | |
214 | } | |
215 | } | |
216 | ||
c906108c SS |
217 | /* Now, search for a matching tail (only if name doesn't have any dirs) */ |
218 | ||
caadab2c | 219 | if (lbasename (name) == name) |
c906108c | 220 | ALL_SYMTABS (objfile, s) |
c5aa993b | 221 | { |
31889e00 | 222 | if (FILENAME_CMP (lbasename (s->filename), name) == 0) |
c5aa993b JM |
223 | return s; |
224 | } | |
c906108c SS |
225 | |
226 | /* Same search rules as above apply here, but now we look thru the | |
227 | psymtabs. */ | |
228 | ||
229 | ps = lookup_partial_symtab (name); | |
230 | if (!ps) | |
231 | return (NULL); | |
232 | ||
c5aa993b | 233 | if (ps->readin) |
c906108c | 234 | error ("Internal: readin %s pst for `%s' found when no symtab found.", |
c5aa993b | 235 | ps->filename, name); |
c906108c SS |
236 | |
237 | s = PSYMTAB_TO_SYMTAB (ps); | |
238 | ||
239 | if (s) | |
240 | return s; | |
241 | ||
242 | /* At this point, we have located the psymtab for this file, but | |
243 | the conversion to a symtab has failed. This usually happens | |
244 | when we are looking up an include file. In this case, | |
245 | PSYMTAB_TO_SYMTAB doesn't return a symtab, even though one has | |
246 | been created. So, we need to run through the symtabs again in | |
247 | order to find the file. | |
248 | XXX - This is a crock, and should be fixed inside of the the | |
249 | symbol parsing routines. */ | |
250 | goto got_symtab; | |
251 | } | |
252 | ||
c906108c SS |
253 | /* Lookup the partial symbol table of a source file named NAME. |
254 | *If* there is no '/' in the name, a match after a '/' | |
255 | in the psymtab filename will also work. */ | |
256 | ||
257 | struct partial_symtab * | |
1f8cc6db | 258 | lookup_partial_symtab (const char *name) |
c906108c SS |
259 | { |
260 | register struct partial_symtab *pst; | |
261 | register struct objfile *objfile; | |
f079a2e5 | 262 | char *full_path = NULL; |
58d370e0 TT |
263 | char *real_path = NULL; |
264 | ||
265 | /* Here we are interested in canonicalizing an absolute path, not | |
266 | absolutizing a relative path. */ | |
267 | if (IS_ABSOLUTE_PATH (name)) | |
f079a2e5 JB |
268 | { |
269 | full_path = xfullpath (name); | |
270 | make_cleanup (xfree, full_path); | |
271 | real_path = gdb_realpath (name); | |
272 | make_cleanup (xfree, real_path); | |
273 | } | |
c5aa993b | 274 | |
c906108c | 275 | ALL_PSYMTABS (objfile, pst) |
c5aa993b | 276 | { |
a7fdf62f | 277 | if (FILENAME_CMP (name, pst->filename) == 0) |
c5aa993b JM |
278 | { |
279 | return (pst); | |
280 | } | |
f079a2e5 | 281 | |
58d370e0 TT |
282 | /* If the user gave us an absolute path, try to find the file in |
283 | this symtab and use its absolute path. */ | |
f079a2e5 | 284 | if (full_path != NULL) |
58d370e0 TT |
285 | { |
286 | if (pst->fullname == NULL) | |
287 | source_full_path_of (pst->filename, &pst->fullname); | |
288 | if (pst->fullname != NULL | |
f079a2e5 | 289 | && FILENAME_CMP (full_path, pst->fullname) == 0) |
58d370e0 | 290 | { |
58d370e0 TT |
291 | return pst; |
292 | } | |
293 | } | |
c906108c | 294 | |
f079a2e5 JB |
295 | if (real_path != NULL) |
296 | { | |
297 | char *rp = NULL; | |
298 | if (pst->fullname == NULL) | |
299 | source_full_path_of (pst->filename, &pst->fullname); | |
300 | if (pst->fullname != NULL) | |
301 | { | |
302 | rp = gdb_realpath (pst->fullname); | |
303 | make_cleanup (xfree, rp); | |
304 | } | |
305 | if (rp != NULL && FILENAME_CMP (real_path, rp) == 0) | |
306 | { | |
307 | return pst; | |
308 | } | |
309 | } | |
310 | } | |
58d370e0 | 311 | |
c906108c SS |
312 | /* Now, search for a matching tail (only if name doesn't have any dirs) */ |
313 | ||
caadab2c | 314 | if (lbasename (name) == name) |
c906108c | 315 | ALL_PSYMTABS (objfile, pst) |
c5aa993b | 316 | { |
31889e00 | 317 | if (FILENAME_CMP (lbasename (pst->filename), name) == 0) |
c5aa993b JM |
318 | return (pst); |
319 | } | |
c906108c SS |
320 | |
321 | return (NULL); | |
322 | } | |
323 | \f | |
324 | /* Mangle a GDB method stub type. This actually reassembles the pieces of the | |
325 | full method name, which consist of the class name (from T), the unadorned | |
326 | method name from METHOD_ID, and the signature for the specific overload, | |
327 | specified by SIGNATURE_ID. Note that this function is g++ specific. */ | |
328 | ||
329 | char * | |
fba45db2 | 330 | gdb_mangle_name (struct type *type, int method_id, int signature_id) |
c906108c SS |
331 | { |
332 | int mangled_name_len; | |
333 | char *mangled_name; | |
334 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, method_id); | |
335 | struct fn_field *method = &f[signature_id]; | |
336 | char *field_name = TYPE_FN_FIELDLIST_NAME (type, method_id); | |
337 | char *physname = TYPE_FN_FIELD_PHYSNAME (f, signature_id); | |
338 | char *newname = type_name_no_tag (type); | |
339 | ||
340 | /* Does the form of physname indicate that it is the full mangled name | |
341 | of a constructor (not just the args)? */ | |
342 | int is_full_physname_constructor; | |
343 | ||
344 | int is_constructor; | |
015a42b4 | 345 | int is_destructor = is_destructor_name (physname); |
c906108c SS |
346 | /* Need a new type prefix. */ |
347 | char *const_prefix = method->is_const ? "C" : ""; | |
348 | char *volatile_prefix = method->is_volatile ? "V" : ""; | |
349 | char buf[20]; | |
350 | int len = (newname == NULL ? 0 : strlen (newname)); | |
351 | ||
43630227 PS |
352 | /* Nothing to do if physname already contains a fully mangled v3 abi name |
353 | or an operator name. */ | |
354 | if ((physname[0] == '_' && physname[1] == 'Z') | |
355 | || is_operator_name (field_name)) | |
235d1e03 EZ |
356 | return xstrdup (physname); |
357 | ||
015a42b4 | 358 | is_full_physname_constructor = is_constructor_name (physname); |
c906108c SS |
359 | |
360 | is_constructor = | |
c5aa993b | 361 | is_full_physname_constructor || (newname && STREQ (field_name, newname)); |
c906108c SS |
362 | |
363 | if (!is_destructor) | |
c5aa993b | 364 | is_destructor = (strncmp (physname, "__dt", 4) == 0); |
c906108c SS |
365 | |
366 | if (is_destructor || is_full_physname_constructor) | |
367 | { | |
c5aa993b JM |
368 | mangled_name = (char *) xmalloc (strlen (physname) + 1); |
369 | strcpy (mangled_name, physname); | |
c906108c SS |
370 | return mangled_name; |
371 | } | |
372 | ||
373 | if (len == 0) | |
374 | { | |
375 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); | |
376 | } | |
377 | else if (physname[0] == 't' || physname[0] == 'Q') | |
378 | { | |
379 | /* The physname for template and qualified methods already includes | |
c5aa993b | 380 | the class name. */ |
c906108c SS |
381 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); |
382 | newname = NULL; | |
383 | len = 0; | |
384 | } | |
385 | else | |
386 | { | |
387 | sprintf (buf, "__%s%s%d", const_prefix, volatile_prefix, len); | |
388 | } | |
389 | mangled_name_len = ((is_constructor ? 0 : strlen (field_name)) | |
235d1e03 | 390 | + strlen (buf) + len + strlen (physname) + 1); |
c906108c | 391 | |
c906108c | 392 | { |
c5aa993b | 393 | mangled_name = (char *) xmalloc (mangled_name_len); |
c906108c SS |
394 | if (is_constructor) |
395 | mangled_name[0] = '\0'; | |
396 | else | |
397 | strcpy (mangled_name, field_name); | |
398 | } | |
399 | strcat (mangled_name, buf); | |
400 | /* If the class doesn't have a name, i.e. newname NULL, then we just | |
401 | mangle it using 0 for the length of the class. Thus it gets mangled | |
c5aa993b | 402 | as something starting with `::' rather than `classname::'. */ |
c906108c SS |
403 | if (newname != NULL) |
404 | strcat (mangled_name, newname); | |
405 | ||
406 | strcat (mangled_name, physname); | |
407 | return (mangled_name); | |
408 | } | |
12af6855 JB |
409 | |
410 | \f | |
89aad1f9 EZ |
411 | /* Initialize the language dependent portion of a symbol |
412 | depending upon the language for the symbol. */ | |
413 | void | |
414 | symbol_init_language_specific (struct general_symbol_info *gsymbol, | |
415 | enum language language) | |
416 | { | |
417 | gsymbol->language = language; | |
418 | if (gsymbol->language == language_cplus | |
5784d15e AF |
419 | || gsymbol->language == language_java |
420 | || gsymbol->language == language_objc) | |
89aad1f9 EZ |
421 | { |
422 | gsymbol->language_specific.cplus_specific.demangled_name = NULL; | |
423 | } | |
89aad1f9 EZ |
424 | else |
425 | { | |
426 | memset (&gsymbol->language_specific, 0, | |
427 | sizeof (gsymbol->language_specific)); | |
428 | } | |
429 | } | |
430 | ||
2de7ced7 DJ |
431 | /* Functions to initialize a symbol's mangled name. */ |
432 | ||
433 | /* Create the hash table used for demangled names. Each hash entry is | |
434 | a pair of strings; one for the mangled name and one for the demangled | |
435 | name. The entry is hashed via just the mangled name. */ | |
436 | ||
437 | static void | |
438 | create_demangled_names_hash (struct objfile *objfile) | |
439 | { | |
440 | /* Choose 256 as the starting size of the hash table, somewhat arbitrarily. | |
441 | The hash table code will round this up to the next prime number. | |
442 | Choosing a much larger table size wastes memory, and saves only about | |
443 | 1% in symbol reading. */ | |
444 | ||
445 | objfile->demangled_names_hash = htab_create_alloc_ex | |
446 | (256, htab_hash_string, (int (*) (const void *, const void *)) streq, | |
447 | NULL, objfile->md, xmcalloc, xmfree); | |
448 | } | |
12af6855 | 449 | |
2de7ced7 | 450 | /* Try to determine the demangled name for a symbol, based on the |
12af6855 JB |
451 | language of that symbol. If the language is set to language_auto, |
452 | it will attempt to find any demangling algorithm that works and | |
2de7ced7 DJ |
453 | then set the language appropriately. The returned name is allocated |
454 | by the demangler and should be xfree'd. */ | |
12af6855 | 455 | |
2de7ced7 DJ |
456 | static char * |
457 | symbol_find_demangled_name (struct general_symbol_info *gsymbol, | |
458 | const char *mangled) | |
12af6855 | 459 | { |
12af6855 JB |
460 | char *demangled = NULL; |
461 | ||
462 | if (gsymbol->language == language_unknown) | |
463 | gsymbol->language = language_auto; | |
1bae87b9 AF |
464 | |
465 | if (gsymbol->language == language_objc | |
466 | || gsymbol->language == language_auto) | |
467 | { | |
468 | demangled = | |
469 | objc_demangle (mangled, 0); | |
470 | if (demangled != NULL) | |
471 | { | |
472 | gsymbol->language = language_objc; | |
473 | return demangled; | |
474 | } | |
475 | } | |
12af6855 JB |
476 | if (gsymbol->language == language_cplus |
477 | || gsymbol->language == language_auto) | |
478 | { | |
479 | demangled = | |
2de7ced7 | 480 | cplus_demangle (mangled, DMGL_PARAMS | DMGL_ANSI); |
12af6855 | 481 | if (demangled != NULL) |
2de7ced7 DJ |
482 | { |
483 | gsymbol->language = language_cplus; | |
484 | return demangled; | |
485 | } | |
12af6855 JB |
486 | } |
487 | if (gsymbol->language == language_java) | |
488 | { | |
489 | demangled = | |
2de7ced7 | 490 | cplus_demangle (mangled, |
12af6855 JB |
491 | DMGL_PARAMS | DMGL_ANSI | DMGL_JAVA); |
492 | if (demangled != NULL) | |
2de7ced7 DJ |
493 | { |
494 | gsymbol->language = language_java; | |
495 | return demangled; | |
496 | } | |
497 | } | |
498 | return NULL; | |
499 | } | |
500 | ||
980cae7a DC |
501 | /* Set both the mangled and demangled (if any) names for GSYMBOL based |
502 | on LINKAGE_NAME and LEN. The hash table corresponding to OBJFILE | |
503 | is used, and the memory comes from that objfile's symbol_obstack. | |
504 | LINKAGE_NAME is copied, so the pointer can be discarded after | |
505 | calling this function. */ | |
2de7ced7 | 506 | |
d2a52b27 DC |
507 | /* We have to be careful when dealing with Java names: when we run |
508 | into a Java minimal symbol, we don't know it's a Java symbol, so it | |
509 | gets demangled as a C++ name. This is unfortunate, but there's not | |
510 | much we can do about it: but when demangling partial symbols and | |
511 | regular symbols, we'd better not reuse the wrong demangled name. | |
512 | (See PR gdb/1039.) We solve this by putting a distinctive prefix | |
513 | on Java names when storing them in the hash table. */ | |
514 | ||
515 | /* FIXME: carlton/2003-03-13: This is an unfortunate situation. I | |
516 | don't mind the Java prefix so much: different languages have | |
517 | different demangling requirements, so it's only natural that we | |
518 | need to keep language data around in our demangling cache. But | |
519 | it's not good that the minimal symbol has the wrong demangled name. | |
520 | Unfortunately, I can't think of any easy solution to that | |
521 | problem. */ | |
522 | ||
523 | #define JAVA_PREFIX "##JAVA$$" | |
524 | #define JAVA_PREFIX_LEN 8 | |
525 | ||
2de7ced7 DJ |
526 | void |
527 | symbol_set_names (struct general_symbol_info *gsymbol, | |
980cae7a | 528 | const char *linkage_name, int len, struct objfile *objfile) |
2de7ced7 DJ |
529 | { |
530 | char **slot; | |
980cae7a DC |
531 | /* A 0-terminated copy of the linkage name. */ |
532 | const char *linkage_name_copy; | |
d2a52b27 DC |
533 | /* A copy of the linkage name that might have a special Java prefix |
534 | added to it, for use when looking names up in the hash table. */ | |
535 | const char *lookup_name; | |
536 | /* The length of lookup_name. */ | |
537 | int lookup_len; | |
2de7ced7 DJ |
538 | |
539 | if (objfile->demangled_names_hash == NULL) | |
540 | create_demangled_names_hash (objfile); | |
541 | ||
980cae7a DC |
542 | /* The stabs reader generally provides names that are not |
543 | NUL-terminated; most of the other readers don't do this, so we | |
d2a52b27 DC |
544 | can just use the given copy, unless we're in the Java case. */ |
545 | if (gsymbol->language == language_java) | |
546 | { | |
547 | char *alloc_name; | |
548 | lookup_len = len + JAVA_PREFIX_LEN; | |
549 | ||
550 | alloc_name = alloca (lookup_len + 1); | |
551 | memcpy (alloc_name, JAVA_PREFIX, JAVA_PREFIX_LEN); | |
552 | memcpy (alloc_name + JAVA_PREFIX_LEN, linkage_name, len); | |
553 | alloc_name[lookup_len] = '\0'; | |
554 | ||
555 | lookup_name = alloc_name; | |
556 | linkage_name_copy = alloc_name + JAVA_PREFIX_LEN; | |
557 | } | |
558 | else if (linkage_name[len] != '\0') | |
2de7ced7 | 559 | { |
980cae7a | 560 | char *alloc_name; |
d2a52b27 | 561 | lookup_len = len; |
980cae7a | 562 | |
d2a52b27 | 563 | alloc_name = alloca (lookup_len + 1); |
980cae7a | 564 | memcpy (alloc_name, linkage_name, len); |
d2a52b27 | 565 | alloc_name[lookup_len] = '\0'; |
980cae7a | 566 | |
d2a52b27 | 567 | lookup_name = alloc_name; |
980cae7a | 568 | linkage_name_copy = alloc_name; |
2de7ced7 DJ |
569 | } |
570 | else | |
980cae7a | 571 | { |
d2a52b27 DC |
572 | lookup_len = len; |
573 | lookup_name = linkage_name; | |
980cae7a DC |
574 | linkage_name_copy = linkage_name; |
575 | } | |
2de7ced7 | 576 | |
980cae7a | 577 | slot = (char **) htab_find_slot (objfile->demangled_names_hash, |
d2a52b27 | 578 | lookup_name, INSERT); |
2de7ced7 DJ |
579 | |
580 | /* If this name is not in the hash table, add it. */ | |
581 | if (*slot == NULL) | |
582 | { | |
980cae7a DC |
583 | char *demangled_name = symbol_find_demangled_name (gsymbol, |
584 | linkage_name_copy); | |
2de7ced7 DJ |
585 | int demangled_len = demangled_name ? strlen (demangled_name) : 0; |
586 | ||
587 | /* If there is a demangled name, place it right after the mangled name. | |
588 | Otherwise, just place a second zero byte after the end of the mangled | |
589 | name. */ | |
590 | *slot = obstack_alloc (&objfile->symbol_obstack, | |
d2a52b27 DC |
591 | lookup_len + demangled_len + 2); |
592 | memcpy (*slot, lookup_name, lookup_len + 1); | |
980cae7a | 593 | if (demangled_name != NULL) |
2de7ced7 | 594 | { |
d2a52b27 | 595 | memcpy (*slot + lookup_len + 1, demangled_name, demangled_len + 1); |
2de7ced7 DJ |
596 | xfree (demangled_name); |
597 | } | |
598 | else | |
d2a52b27 | 599 | (*slot)[lookup_len + 1] = '\0'; |
2de7ced7 DJ |
600 | } |
601 | ||
d2a52b27 DC |
602 | gsymbol->name = *slot + lookup_len - len; |
603 | if ((*slot)[lookup_len + 1] != '\0') | |
2de7ced7 | 604 | gsymbol->language_specific.cplus_specific.demangled_name |
d2a52b27 | 605 | = &(*slot)[lookup_len + 1]; |
2de7ced7 DJ |
606 | else |
607 | gsymbol->language_specific.cplus_specific.demangled_name = NULL; | |
608 | } | |
609 | ||
610 | /* Initialize the demangled name of GSYMBOL if possible. Any required space | |
611 | to store the name is obtained from the specified obstack. The function | |
612 | symbol_set_names, above, should be used instead where possible for more | |
613 | efficient memory usage. */ | |
614 | ||
615 | void | |
616 | symbol_init_demangled_name (struct general_symbol_info *gsymbol, | |
617 | struct obstack *obstack) | |
618 | { | |
619 | char *mangled = gsymbol->name; | |
620 | char *demangled = NULL; | |
621 | ||
622 | demangled = symbol_find_demangled_name (gsymbol, mangled); | |
623 | if (gsymbol->language == language_cplus | |
1bae87b9 AF |
624 | || gsymbol->language == language_java |
625 | || gsymbol->language == language_objc) | |
2de7ced7 DJ |
626 | { |
627 | if (demangled) | |
628 | { | |
629 | gsymbol->language_specific.cplus_specific.demangled_name | |
630 | = obsavestring (demangled, strlen (demangled), obstack); | |
631 | xfree (demangled); | |
632 | } | |
12af6855 | 633 | else |
2de7ced7 DJ |
634 | gsymbol->language_specific.cplus_specific.demangled_name = NULL; |
635 | } | |
636 | else | |
637 | { | |
638 | /* Unknown language; just clean up quietly. */ | |
639 | if (demangled) | |
640 | xfree (demangled); | |
12af6855 | 641 | } |
12af6855 JB |
642 | } |
643 | ||
22abf04a DC |
644 | /* Return the source code name of a symbol. In languages where |
645 | demangling is necessary, this is the demangled name. */ | |
646 | ||
647 | char * | |
648 | symbol_natural_name (const struct general_symbol_info *gsymbol) | |
649 | { | |
650 | if ((gsymbol->language == language_cplus | |
651 | || gsymbol->language == language_java | |
652 | || gsymbol->language == language_objc) | |
653 | && (gsymbol->language_specific.cplus_specific.demangled_name != NULL)) | |
654 | { | |
655 | return gsymbol->language_specific.cplus_specific.demangled_name; | |
656 | } | |
657 | else | |
658 | { | |
659 | return gsymbol->name; | |
660 | } | |
661 | } | |
662 | ||
9cc0d196 EZ |
663 | /* Return the demangled name for a symbol based on the language for |
664 | that symbol. If no demangled name exists, return NULL. */ | |
665 | char * | |
666 | symbol_demangled_name (struct general_symbol_info *gsymbol) | |
667 | { | |
668 | if (gsymbol->language == language_cplus | |
5784d15e AF |
669 | || gsymbol->language == language_java |
670 | || gsymbol->language == language_objc) | |
9cc0d196 | 671 | return gsymbol->language_specific.cplus_specific.demangled_name; |
12af6855 | 672 | |
9cc0d196 EZ |
673 | else |
674 | return NULL; | |
9cc0d196 | 675 | } |
fe39c653 EZ |
676 | |
677 | /* Initialize the structure fields to zero values. */ | |
678 | void | |
679 | init_sal (struct symtab_and_line *sal) | |
680 | { | |
681 | sal->symtab = 0; | |
682 | sal->section = 0; | |
683 | sal->line = 0; | |
684 | sal->pc = 0; | |
685 | sal->end = 0; | |
686 | } | |
c906108c SS |
687 | \f |
688 | ||
c5aa993b | 689 | |
c906108c SS |
690 | /* Find which partial symtab on contains PC and SECTION. Return 0 if none. */ |
691 | ||
692 | struct partial_symtab * | |
fba45db2 | 693 | find_pc_sect_psymtab (CORE_ADDR pc, asection *section) |
c906108c SS |
694 | { |
695 | register struct partial_symtab *pst; | |
696 | register struct objfile *objfile; | |
8a48e967 DJ |
697 | struct minimal_symbol *msymbol; |
698 | ||
699 | /* If we know that this is not a text address, return failure. This is | |
700 | necessary because we loop based on texthigh and textlow, which do | |
701 | not include the data ranges. */ | |
702 | msymbol = lookup_minimal_symbol_by_pc_section (pc, section); | |
703 | if (msymbol | |
704 | && (msymbol->type == mst_data | |
705 | || msymbol->type == mst_bss | |
706 | || msymbol->type == mst_abs | |
707 | || msymbol->type == mst_file_data | |
708 | || msymbol->type == mst_file_bss)) | |
709 | return NULL; | |
c906108c SS |
710 | |
711 | ALL_PSYMTABS (objfile, pst) | |
c5aa993b | 712 | { |
c5aa993b | 713 | if (pc >= pst->textlow && pc < pst->texthigh) |
c5aa993b | 714 | { |
c5aa993b JM |
715 | struct partial_symtab *tpst; |
716 | ||
717 | /* An objfile that has its functions reordered might have | |
718 | many partial symbol tables containing the PC, but | |
719 | we want the partial symbol table that contains the | |
720 | function containing the PC. */ | |
721 | if (!(objfile->flags & OBJF_REORDERED) && | |
722 | section == 0) /* can't validate section this way */ | |
723 | return (pst); | |
724 | ||
c5aa993b JM |
725 | if (msymbol == NULL) |
726 | return (pst); | |
727 | ||
728 | for (tpst = pst; tpst != NULL; tpst = tpst->next) | |
729 | { | |
c5aa993b | 730 | if (pc >= tpst->textlow && pc < tpst->texthigh) |
c5aa993b JM |
731 | { |
732 | struct partial_symbol *p; | |
c906108c | 733 | |
c5aa993b JM |
734 | p = find_pc_sect_psymbol (tpst, pc, section); |
735 | if (p != NULL | |
736 | && SYMBOL_VALUE_ADDRESS (p) | |
737 | == SYMBOL_VALUE_ADDRESS (msymbol)) | |
738 | return (tpst); | |
739 | } | |
740 | } | |
741 | return (pst); | |
742 | } | |
743 | } | |
c906108c SS |
744 | return (NULL); |
745 | } | |
746 | ||
747 | /* Find which partial symtab contains PC. Return 0 if none. | |
748 | Backward compatibility, no section */ | |
749 | ||
750 | struct partial_symtab * | |
fba45db2 | 751 | find_pc_psymtab (CORE_ADDR pc) |
c906108c SS |
752 | { |
753 | return find_pc_sect_psymtab (pc, find_pc_mapped_section (pc)); | |
754 | } | |
755 | ||
756 | /* Find which partial symbol within a psymtab matches PC and SECTION. | |
757 | Return 0 if none. Check all psymtabs if PSYMTAB is 0. */ | |
758 | ||
759 | struct partial_symbol * | |
fba45db2 KB |
760 | find_pc_sect_psymbol (struct partial_symtab *psymtab, CORE_ADDR pc, |
761 | asection *section) | |
c906108c SS |
762 | { |
763 | struct partial_symbol *best = NULL, *p, **pp; | |
764 | CORE_ADDR best_pc; | |
c5aa993b | 765 | |
c906108c SS |
766 | if (!psymtab) |
767 | psymtab = find_pc_sect_psymtab (pc, section); | |
768 | if (!psymtab) | |
769 | return 0; | |
770 | ||
771 | /* Cope with programs that start at address 0 */ | |
772 | best_pc = (psymtab->textlow != 0) ? psymtab->textlow - 1 : 0; | |
773 | ||
774 | /* Search the global symbols as well as the static symbols, so that | |
775 | find_pc_partial_function doesn't use a minimal symbol and thus | |
776 | cache a bad endaddr. */ | |
777 | for (pp = psymtab->objfile->global_psymbols.list + psymtab->globals_offset; | |
c5aa993b JM |
778 | (pp - (psymtab->objfile->global_psymbols.list + psymtab->globals_offset) |
779 | < psymtab->n_global_syms); | |
c906108c SS |
780 | pp++) |
781 | { | |
782 | p = *pp; | |
176620f1 | 783 | if (SYMBOL_DOMAIN (p) == VAR_DOMAIN |
c906108c SS |
784 | && SYMBOL_CLASS (p) == LOC_BLOCK |
785 | && pc >= SYMBOL_VALUE_ADDRESS (p) | |
786 | && (SYMBOL_VALUE_ADDRESS (p) > best_pc | |
787 | || (psymtab->textlow == 0 | |
788 | && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0))) | |
789 | { | |
c5aa993b | 790 | if (section) /* match on a specific section */ |
c906108c SS |
791 | { |
792 | fixup_psymbol_section (p, psymtab->objfile); | |
793 | if (SYMBOL_BFD_SECTION (p) != section) | |
794 | continue; | |
795 | } | |
796 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
797 | best = p; | |
798 | } | |
799 | } | |
800 | ||
801 | for (pp = psymtab->objfile->static_psymbols.list + psymtab->statics_offset; | |
c5aa993b JM |
802 | (pp - (psymtab->objfile->static_psymbols.list + psymtab->statics_offset) |
803 | < psymtab->n_static_syms); | |
c906108c SS |
804 | pp++) |
805 | { | |
806 | p = *pp; | |
176620f1 | 807 | if (SYMBOL_DOMAIN (p) == VAR_DOMAIN |
c906108c SS |
808 | && SYMBOL_CLASS (p) == LOC_BLOCK |
809 | && pc >= SYMBOL_VALUE_ADDRESS (p) | |
810 | && (SYMBOL_VALUE_ADDRESS (p) > best_pc | |
c5aa993b | 811 | || (psymtab->textlow == 0 |
c906108c SS |
812 | && best_pc == 0 && SYMBOL_VALUE_ADDRESS (p) == 0))) |
813 | { | |
c5aa993b | 814 | if (section) /* match on a specific section */ |
c906108c SS |
815 | { |
816 | fixup_psymbol_section (p, psymtab->objfile); | |
817 | if (SYMBOL_BFD_SECTION (p) != section) | |
818 | continue; | |
819 | } | |
820 | best_pc = SYMBOL_VALUE_ADDRESS (p); | |
821 | best = p; | |
822 | } | |
823 | } | |
824 | ||
825 | return best; | |
826 | } | |
827 | ||
828 | /* Find which partial symbol within a psymtab matches PC. Return 0 if none. | |
829 | Check all psymtabs if PSYMTAB is 0. Backwards compatibility, no section. */ | |
830 | ||
831 | struct partial_symbol * | |
fba45db2 | 832 | find_pc_psymbol (struct partial_symtab *psymtab, CORE_ADDR pc) |
c906108c SS |
833 | { |
834 | return find_pc_sect_psymbol (psymtab, pc, find_pc_mapped_section (pc)); | |
835 | } | |
836 | \f | |
837 | /* Debug symbols usually don't have section information. We need to dig that | |
838 | out of the minimal symbols and stash that in the debug symbol. */ | |
839 | ||
840 | static void | |
fba45db2 | 841 | fixup_section (struct general_symbol_info *ginfo, struct objfile *objfile) |
c906108c SS |
842 | { |
843 | struct minimal_symbol *msym; | |
844 | msym = lookup_minimal_symbol (ginfo->name, NULL, objfile); | |
845 | ||
846 | if (msym) | |
7a78d0ee KB |
847 | { |
848 | ginfo->bfd_section = SYMBOL_BFD_SECTION (msym); | |
849 | ginfo->section = SYMBOL_SECTION (msym); | |
850 | } | |
c906108c SS |
851 | } |
852 | ||
853 | struct symbol * | |
fba45db2 | 854 | fixup_symbol_section (struct symbol *sym, struct objfile *objfile) |
c906108c SS |
855 | { |
856 | if (!sym) | |
857 | return NULL; | |
858 | ||
859 | if (SYMBOL_BFD_SECTION (sym)) | |
860 | return sym; | |
861 | ||
862 | fixup_section (&sym->ginfo, objfile); | |
863 | ||
864 | return sym; | |
865 | } | |
866 | ||
7a78d0ee | 867 | struct partial_symbol * |
fba45db2 | 868 | fixup_psymbol_section (struct partial_symbol *psym, struct objfile *objfile) |
c906108c SS |
869 | { |
870 | if (!psym) | |
871 | return NULL; | |
872 | ||
873 | if (SYMBOL_BFD_SECTION (psym)) | |
874 | return psym; | |
875 | ||
876 | fixup_section (&psym->ginfo, objfile); | |
877 | ||
878 | return psym; | |
879 | } | |
880 | ||
881 | /* Find the definition for a specified symbol name NAME | |
176620f1 | 882 | in domain DOMAIN, visible from lexical block BLOCK. |
c906108c SS |
883 | Returns the struct symbol pointer, or zero if no symbol is found. |
884 | If SYMTAB is non-NULL, store the symbol table in which the | |
885 | symbol was found there, or NULL if not found. | |
886 | C++: if IS_A_FIELD_OF_THIS is nonzero on entry, check to see if | |
887 | NAME is a field of the current implied argument `this'. If so set | |
888 | *IS_A_FIELD_OF_THIS to 1, otherwise set it to zero. | |
889 | BLOCK_FOUND is set to the block in which NAME is found (in the case of | |
890 | a field of `this', value_of_this sets BLOCK_FOUND to the proper value.) */ | |
891 | ||
892 | /* This function has a bunch of loops in it and it would seem to be | |
893 | attractive to put in some QUIT's (though I'm not really sure | |
894 | whether it can run long enough to be really important). But there | |
895 | are a few calls for which it would appear to be bad news to quit | |
7ca9f392 AC |
896 | out of here: find_proc_desc in alpha-tdep.c and mips-tdep.c. (Note |
897 | that there is C++ code below which can error(), but that probably | |
898 | doesn't affect these calls since they are looking for a known | |
899 | variable and thus can probably assume it will never hit the C++ | |
900 | code). */ | |
c906108c SS |
901 | |
902 | struct symbol * | |
fba7f19c | 903 | lookup_symbol (const char *name, const struct block *block, |
176620f1 | 904 | const domain_enum domain, int *is_a_field_of_this, |
fba45db2 | 905 | struct symtab **symtab) |
c906108c | 906 | { |
729051e6 DJ |
907 | char *demangled_name = NULL; |
908 | const char *modified_name = NULL; | |
3121eff0 | 909 | const char *mangled_name = NULL; |
fba7f19c EZ |
910 | int needtofreename = 0; |
911 | struct symbol *returnval; | |
c906108c | 912 | |
729051e6 DJ |
913 | modified_name = name; |
914 | ||
915 | /* If we are using C++ language, demangle the name before doing a lookup, so | |
916 | we can always binary search. */ | |
917 | if (current_language->la_language == language_cplus) | |
918 | { | |
919 | demangled_name = cplus_demangle (name, DMGL_ANSI | DMGL_PARAMS); | |
920 | if (demangled_name) | |
921 | { | |
922 | mangled_name = name; | |
923 | modified_name = demangled_name; | |
924 | needtofreename = 1; | |
925 | } | |
926 | } | |
927 | ||
63872f9d JG |
928 | if (case_sensitivity == case_sensitive_off) |
929 | { | |
930 | char *copy; | |
931 | int len, i; | |
932 | ||
933 | len = strlen (name); | |
934 | copy = (char *) alloca (len + 1); | |
935 | for (i= 0; i < len; i++) | |
936 | copy[i] = tolower (name[i]); | |
937 | copy[len] = 0; | |
fba7f19c | 938 | modified_name = copy; |
63872f9d | 939 | } |
fba7f19c | 940 | |
3121eff0 | 941 | returnval = lookup_symbol_aux (modified_name, mangled_name, block, |
176620f1 | 942 | domain, is_a_field_of_this, symtab); |
fba7f19c | 943 | if (needtofreename) |
729051e6 | 944 | xfree (demangled_name); |
fba7f19c EZ |
945 | |
946 | return returnval; | |
947 | } | |
948 | ||
5ad1c190 DC |
949 | /* Behave like lookup_symbol_aux except that NAME is the natural name |
950 | of the symbol that we're looking for and, if LINKAGE_NAME is | |
951 | non-NULL, ensure that the symbol's linkage name matches as | |
952 | well. */ | |
953 | ||
fba7f19c | 954 | static struct symbol * |
5ad1c190 | 955 | lookup_symbol_aux (const char *name, const char *linkage_name, |
176620f1 | 956 | const struct block *block, const domain_enum domain, |
3121eff0 | 957 | int *is_a_field_of_this, struct symtab **symtab) |
fba7f19c | 958 | { |
8155455b | 959 | struct symbol *sym; |
e4051eeb | 960 | const struct block *static_block; |
406bc4de | 961 | |
e4051eeb DC |
962 | /* Search specified block and its superiors. Don't search |
963 | STATIC_BLOCK or GLOBAL_BLOCK. */ | |
c906108c | 964 | |
5ad1c190 | 965 | sym = lookup_symbol_aux_local (name, linkage_name, block, domain, |
89a9d1b1 | 966 | symtab); |
8155455b DC |
967 | if (sym != NULL) |
968 | return sym; | |
c906108c | 969 | |
1bae87b9 | 970 | /* C++/Java/Objective-C: If requested to do so by the caller, |
c906108c SS |
971 | check to see if NAME is a field of `this'. */ |
972 | if (is_a_field_of_this) | |
973 | { | |
974 | struct value *v = value_of_this (0); | |
c5aa993b | 975 | |
c906108c SS |
976 | *is_a_field_of_this = 0; |
977 | if (v && check_field (v, name)) | |
978 | { | |
979 | *is_a_field_of_this = 1; | |
980 | if (symtab != NULL) | |
981 | *symtab = NULL; | |
982 | return NULL; | |
983 | } | |
984 | } | |
985 | ||
e4051eeb DC |
986 | /* If there's a static block to search, search it next. */ |
987 | ||
988 | /* NOTE: carlton/2002-12-05: There is a question as to whether or | |
989 | not it would be appropriate to search the current global block | |
990 | here as well. (That's what this code used to do before the | |
991 | is_a_field_of_this check was moved up.) On the one hand, it's | |
992 | redundant with the lookup_symbol_aux_symtabs search that happens | |
993 | next. On the other hand, if decode_line_1 is passed an argument | |
994 | like filename:var, then the user presumably wants 'var' to be | |
995 | searched for in filename. On the third hand, there shouldn't be | |
996 | multiple global variables all of which are named 'var', and it's | |
997 | not like decode_line_1 has ever restricted its search to only | |
998 | global variables in a single filename. All in all, only | |
999 | searching the static block here seems best: it's correct and it's | |
1000 | cleanest. */ | |
1001 | ||
1002 | /* NOTE: carlton/2002-12-05: There's also a possible performance | |
1003 | issue here: if you usually search for global symbols in the | |
1004 | current file, then it would be slightly better to search the | |
1005 | current global block before searching all the symtabs. But there | |
1006 | are other factors that have a much greater effect on performance | |
1007 | than that one, so I don't think we should worry about that for | |
1008 | now. */ | |
1009 | ||
89a9d1b1 | 1010 | static_block = block_static_block (block); |
e4051eeb DC |
1011 | if (static_block != NULL) |
1012 | { | |
5ad1c190 | 1013 | sym = lookup_symbol_aux_block (name, linkage_name, static_block, |
176620f1 | 1014 | domain, symtab); |
e4051eeb DC |
1015 | if (sym != NULL) |
1016 | return sym; | |
1017 | } | |
1018 | ||
c906108c SS |
1019 | /* Now search all global blocks. Do the symtab's first, then |
1020 | check the psymtab's. If a psymtab indicates the existence | |
1021 | of the desired name as a global, then do psymtab-to-symtab | |
1022 | conversion on the fly and return the found symbol. */ | |
c5aa993b | 1023 | |
5ad1c190 | 1024 | sym = lookup_symbol_aux_symtabs (GLOBAL_BLOCK, name, linkage_name, |
176620f1 | 1025 | domain, symtab); |
8155455b DC |
1026 | if (sym != NULL) |
1027 | return sym; | |
c906108c | 1028 | |
5ad1c190 | 1029 | sym = lookup_symbol_aux_psymtabs (GLOBAL_BLOCK, name, linkage_name, |
176620f1 | 1030 | domain, symtab); |
8155455b DC |
1031 | if (sym != NULL) |
1032 | return sym; | |
c906108c | 1033 | |
8155455b DC |
1034 | /* Now search all static file-level symbols. Not strictly correct, |
1035 | but more useful than an error. Do the symtabs first, then check | |
1036 | the psymtabs. If a psymtab indicates the existence of the | |
1037 | desired name as a file-level static, then do psymtab-to-symtab | |
c906108c SS |
1038 | conversion on the fly and return the found symbol. */ |
1039 | ||
5ad1c190 | 1040 | sym = lookup_symbol_aux_symtabs (STATIC_BLOCK, name, linkage_name, |
176620f1 | 1041 | domain, symtab); |
8155455b DC |
1042 | if (sym != NULL) |
1043 | return sym; | |
1044 | ||
5ad1c190 | 1045 | sym = lookup_symbol_aux_psymtabs (STATIC_BLOCK, name, linkage_name, |
176620f1 | 1046 | domain, symtab); |
8155455b DC |
1047 | if (sym != NULL) |
1048 | return sym; | |
c906108c | 1049 | |
c906108c SS |
1050 | if (symtab != NULL) |
1051 | *symtab = NULL; | |
8155455b | 1052 | return NULL; |
c906108c | 1053 | } |
8155455b | 1054 | |
e4051eeb | 1055 | /* Check to see if the symbol is defined in BLOCK or its superiors. |
89a9d1b1 | 1056 | Don't search STATIC_BLOCK or GLOBAL_BLOCK. */ |
8155455b DC |
1057 | |
1058 | static struct symbol * | |
5ad1c190 | 1059 | lookup_symbol_aux_local (const char *name, const char *linkage_name, |
8155455b | 1060 | const struct block *block, |
176620f1 | 1061 | const domain_enum domain, |
89a9d1b1 | 1062 | struct symtab **symtab) |
8155455b DC |
1063 | { |
1064 | struct symbol *sym; | |
89a9d1b1 DC |
1065 | const struct block *static_block = block_static_block (block); |
1066 | ||
e4051eeb DC |
1067 | /* Check if either no block is specified or it's a global block. */ |
1068 | ||
89a9d1b1 DC |
1069 | if (static_block == NULL) |
1070 | return NULL; | |
e4051eeb | 1071 | |
89a9d1b1 | 1072 | while (block != static_block) |
f61e8913 | 1073 | { |
5ad1c190 | 1074 | sym = lookup_symbol_aux_block (name, linkage_name, block, domain, |
f61e8913 DC |
1075 | symtab); |
1076 | if (sym != NULL) | |
1077 | return sym; | |
1078 | block = BLOCK_SUPERBLOCK (block); | |
1079 | } | |
1080 | ||
89a9d1b1 | 1081 | /* We've reached the static block without finding a result. */ |
e4051eeb | 1082 | |
f61e8913 DC |
1083 | return NULL; |
1084 | } | |
1085 | ||
1086 | /* Look up a symbol in a block; if found, locate its symtab, fixup the | |
1087 | symbol, and set block_found appropriately. */ | |
1088 | ||
1089 | static struct symbol * | |
5ad1c190 | 1090 | lookup_symbol_aux_block (const char *name, const char *linkage_name, |
f61e8913 | 1091 | const struct block *block, |
176620f1 | 1092 | const domain_enum domain, |
f61e8913 DC |
1093 | struct symtab **symtab) |
1094 | { | |
1095 | struct symbol *sym; | |
8155455b DC |
1096 | struct objfile *objfile = NULL; |
1097 | struct blockvector *bv; | |
1098 | struct block *b; | |
1099 | struct symtab *s = NULL; | |
f61e8913 | 1100 | |
5ad1c190 | 1101 | sym = lookup_block_symbol (block, name, linkage_name, domain); |
f61e8913 | 1102 | if (sym) |
8155455b | 1103 | { |
f61e8913 DC |
1104 | block_found = block; |
1105 | if (symtab != NULL) | |
8155455b | 1106 | { |
f61e8913 DC |
1107 | /* Search the list of symtabs for one which contains the |
1108 | address of the start of this block. */ | |
1109 | ALL_SYMTABS (objfile, s) | |
8155455b | 1110 | { |
f61e8913 DC |
1111 | bv = BLOCKVECTOR (s); |
1112 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
1113 | if (BLOCK_START (b) <= BLOCK_START (block) | |
1114 | && BLOCK_END (b) > BLOCK_START (block)) | |
1115 | goto found; | |
8155455b | 1116 | } |
f61e8913 DC |
1117 | found: |
1118 | *symtab = s; | |
8155455b | 1119 | } |
f61e8913 DC |
1120 | |
1121 | return fixup_symbol_section (sym, objfile); | |
8155455b DC |
1122 | } |
1123 | ||
1124 | return NULL; | |
1125 | } | |
1126 | ||
1127 | /* Check to see if the symbol is defined in one of the symtabs. | |
1128 | BLOCK_INDEX should be either GLOBAL_BLOCK or STATIC_BLOCK, | |
1129 | depending on whether or not we want to search global symbols or | |
1130 | static symbols. */ | |
1131 | ||
1132 | static struct symbol * | |
1133 | lookup_symbol_aux_symtabs (int block_index, | |
5ad1c190 | 1134 | const char *name, const char *linkage_name, |
176620f1 | 1135 | const domain_enum domain, |
8155455b DC |
1136 | struct symtab **symtab) |
1137 | { | |
1138 | struct symbol *sym; | |
1139 | struct objfile *objfile; | |
1140 | struct blockvector *bv; | |
1141 | const struct block *block; | |
1142 | struct symtab *s; | |
1143 | ||
1144 | ALL_SYMTABS (objfile, s) | |
1145 | { | |
1146 | bv = BLOCKVECTOR (s); | |
1147 | block = BLOCKVECTOR_BLOCK (bv, block_index); | |
5ad1c190 | 1148 | sym = lookup_block_symbol (block, name, linkage_name, domain); |
8155455b DC |
1149 | if (sym) |
1150 | { | |
1151 | block_found = block; | |
1152 | if (symtab != NULL) | |
1153 | *symtab = s; | |
1154 | return fixup_symbol_section (sym, objfile); | |
1155 | } | |
1156 | } | |
1157 | ||
1158 | return NULL; | |
1159 | } | |
1160 | ||
1161 | /* Check to see if the symbol is defined in one of the partial | |
1162 | symtabs. BLOCK_INDEX should be either GLOBAL_BLOCK or | |
1163 | STATIC_BLOCK, depending on whether or not we want to search global | |
1164 | symbols or static symbols. */ | |
1165 | ||
1166 | static struct symbol * | |
1167 | lookup_symbol_aux_psymtabs (int block_index, const char *name, | |
5ad1c190 | 1168 | const char *linkage_name, |
176620f1 | 1169 | const domain_enum domain, |
8155455b DC |
1170 | struct symtab **symtab) |
1171 | { | |
1172 | struct symbol *sym; | |
1173 | struct objfile *objfile; | |
1174 | struct blockvector *bv; | |
1175 | const struct block *block; | |
1176 | struct partial_symtab *ps; | |
1177 | struct symtab *s; | |
1178 | const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0); | |
1179 | ||
1180 | ALL_PSYMTABS (objfile, ps) | |
1181 | { | |
1182 | if (!ps->readin | |
5ad1c190 | 1183 | && lookup_partial_symbol (ps, name, linkage_name, |
176620f1 | 1184 | psymtab_index, domain)) |
8155455b DC |
1185 | { |
1186 | s = PSYMTAB_TO_SYMTAB (ps); | |
1187 | bv = BLOCKVECTOR (s); | |
1188 | block = BLOCKVECTOR_BLOCK (bv, block_index); | |
5ad1c190 | 1189 | sym = lookup_block_symbol (block, name, linkage_name, domain); |
8155455b DC |
1190 | if (!sym) |
1191 | { | |
1192 | /* This shouldn't be necessary, but as a last resort try | |
1193 | looking in the statics even though the psymtab claimed | |
1194 | the symbol was global, or vice-versa. It's possible | |
1195 | that the psymtab gets it wrong in some cases. */ | |
1196 | ||
1197 | /* FIXME: carlton/2002-09-30: Should we really do that? | |
1198 | If that happens, isn't it likely to be a GDB error, in | |
1199 | which case we should fix the GDB error rather than | |
1200 | silently dealing with it here? So I'd vote for | |
1201 | removing the check for the symbol in the other | |
1202 | block. */ | |
1203 | block = BLOCKVECTOR_BLOCK (bv, | |
1204 | block_index == GLOBAL_BLOCK ? | |
1205 | STATIC_BLOCK : GLOBAL_BLOCK); | |
5ad1c190 | 1206 | sym = lookup_block_symbol (block, name, linkage_name, domain); |
8155455b DC |
1207 | if (!sym) |
1208 | error ("Internal: %s symbol `%s' found in %s psymtab but not in symtab.\n%s may be an inlined function, or may be a template function\n(if a template, try specifying an instantiation: %s<type>).", | |
1209 | block_index == GLOBAL_BLOCK ? "global" : "static", | |
1210 | name, ps->filename, name, name); | |
1211 | } | |
1212 | if (symtab != NULL) | |
1213 | *symtab = s; | |
1214 | return fixup_symbol_section (sym, objfile); | |
1215 | } | |
1216 | } | |
1217 | ||
1218 | return NULL; | |
1219 | } | |
1220 | ||
ae2f03ac | 1221 | #if 0 |
406bc4de DC |
1222 | /* Check for the possibility of the symbol being a function or a |
1223 | mangled variable that is stored in one of the minimal symbol | |
1224 | tables. Eventually, all global symbols might be resolved in this | |
1225 | way. */ | |
1226 | ||
e45febe2 DC |
1227 | /* NOTE: carlton/2002-12-05: At one point, this function was part of |
1228 | lookup_symbol_aux, and what are now 'return' statements within | |
1229 | lookup_symbol_aux_minsyms returned from lookup_symbol_aux, even if | |
1230 | sym was NULL. As far as I can tell, this was basically accidental; | |
1231 | it didn't happen every time that msymbol was non-NULL, but only if | |
1232 | some additional conditions held as well, and it caused problems | |
1233 | with HP-generated symbol tables. */ | |
1234 | ||
ae2f03ac EZ |
1235 | /* NOTE: carlton/2003-05-14: This function was once used as part of |
1236 | lookup_symbol. It is currently unnecessary for correctness | |
1237 | reasons, however, and using it doesn't seem to be any faster than | |
1238 | using lookup_symbol_aux_psymtabs, so I'm commenting it out. */ | |
1239 | ||
406bc4de DC |
1240 | static struct symbol * |
1241 | lookup_symbol_aux_minsyms (const char *name, | |
5ad1c190 | 1242 | const char *linkage_name, |
176620f1 | 1243 | const domain_enum domain, |
406bc4de | 1244 | int *is_a_field_of_this, |
e45febe2 | 1245 | struct symtab **symtab) |
406bc4de DC |
1246 | { |
1247 | struct symbol *sym; | |
1248 | struct blockvector *bv; | |
1249 | const struct block *block; | |
1250 | struct minimal_symbol *msymbol; | |
1251 | struct symtab *s; | |
1252 | ||
176620f1 | 1253 | if (domain == VAR_DOMAIN) |
406bc4de DC |
1254 | { |
1255 | msymbol = lookup_minimal_symbol (name, NULL, NULL); | |
1256 | ||
1257 | if (msymbol != NULL) | |
1258 | { | |
1259 | /* OK, we found a minimal symbol in spite of not finding any | |
1260 | symbol. There are various possible explanations for | |
1261 | this. One possibility is the symbol exists in code not | |
1262 | compiled -g. Another possibility is that the 'psymtab' | |
1263 | isn't doing its job. A third possibility, related to #2, | |
1264 | is that we were confused by name-mangling. For instance, | |
1265 | maybe the psymtab isn't doing its job because it only | |
1266 | know about demangled names, but we were given a mangled | |
1267 | name... */ | |
1268 | ||
1269 | /* We first use the address in the msymbol to try to locate | |
1270 | the appropriate symtab. Note that find_pc_sect_symtab() | |
1271 | has a side-effect of doing psymtab-to-symtab expansion, | |
1272 | for the found symtab. */ | |
1273 | s = find_pc_sect_symtab (SYMBOL_VALUE_ADDRESS (msymbol), | |
1274 | SYMBOL_BFD_SECTION (msymbol)); | |
1275 | if (s != NULL) | |
1276 | { | |
1277 | /* This is a function which has a symtab for its address. */ | |
1278 | bv = BLOCKVECTOR (s); | |
1279 | block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
1280 | ||
22abf04a | 1281 | /* This call used to pass `DEPRECATED_SYMBOL_NAME (msymbol)' as the |
406bc4de DC |
1282 | `name' argument to lookup_block_symbol. But the name |
1283 | of a minimal symbol is always mangled, so that seems | |
1284 | to be clearly the wrong thing to pass as the | |
1285 | unmangled name. */ | |
1286 | sym = | |
5ad1c190 | 1287 | lookup_block_symbol (block, name, linkage_name, domain); |
406bc4de DC |
1288 | /* We kept static functions in minimal symbol table as well as |
1289 | in static scope. We want to find them in the symbol table. */ | |
1290 | if (!sym) | |
1291 | { | |
1292 | block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); | |
1293 | sym = lookup_block_symbol (block, name, | |
5ad1c190 | 1294 | linkage_name, domain); |
406bc4de DC |
1295 | } |
1296 | ||
1297 | /* NOTE: carlton/2002-12-04: The following comment was | |
1298 | taken from a time when two versions of this function | |
1299 | were part of the body of lookup_symbol_aux: this | |
1300 | comment was taken from the version of the function | |
1301 | that was #ifdef HPUXHPPA, and the comment was right | |
1302 | before the 'return NULL' part of lookup_symbol_aux. | |
1303 | (Hence the "Fall through and return 0" comment.) | |
1304 | Elena did some digging into the situation for | |
1305 | Fortran, and she reports: | |
1306 | ||
1307 | "I asked around (thanks to Jeff Knaggs), and I think | |
1308 | the story for Fortran goes like this: | |
1309 | ||
1310 | "Apparently, in older Fortrans, '_' was not part of | |
1311 | the user namespace. g77 attached a final '_' to | |
1312 | procedure names as the exported symbols for linkage | |
1313 | (foo_) , but the symbols went in the debug info just | |
1314 | like 'foo'. The rationale behind this is not | |
1315 | completely clear, and maybe it was done to other | |
1316 | symbols as well, not just procedures." */ | |
1317 | ||
1318 | /* If we get here with sym == 0, the symbol was | |
1319 | found in the minimal symbol table | |
1320 | but not in the symtab. | |
1321 | Fall through and return 0 to use the msymbol | |
1322 | definition of "foo_". | |
1323 | (Note that outer code generally follows up a call | |
1324 | to this routine with a call to lookup_minimal_symbol(), | |
1325 | so a 0 return means we'll just flow into that other routine). | |
1326 | ||
1327 | This happens for Fortran "foo_" symbols, | |
1328 | which are "foo" in the symtab. | |
1329 | ||
1330 | This can also happen if "asm" is used to make a | |
1331 | regular symbol but not a debugging symbol, e.g. | |
1332 | asm(".globl _main"); | |
1333 | asm("_main:"); | |
1334 | */ | |
1335 | ||
1336 | if (symtab != NULL && sym != NULL) | |
1337 | *symtab = s; | |
406bc4de DC |
1338 | return fixup_symbol_section (sym, s->objfile); |
1339 | } | |
406bc4de DC |
1340 | } |
1341 | } | |
1342 | ||
1343 | return NULL; | |
1344 | } | |
ae2f03ac | 1345 | #endif /* 0 */ |
406bc4de | 1346 | |
3d4e8fd2 DC |
1347 | /* Look, in partial_symtab PST, for symbol whose natural name is NAME. |
1348 | If LINKAGE_NAME is non-NULL, check in addition that the symbol's | |
1349 | linkage name matches it. Check the global symbols if GLOBAL, the | |
1350 | static symbols if not */ | |
c906108c SS |
1351 | |
1352 | static struct partial_symbol * | |
3d4e8fd2 DC |
1353 | lookup_partial_symbol (struct partial_symtab *pst, const char *name, |
1354 | const char *linkage_name, int global, | |
176620f1 | 1355 | domain_enum domain) |
c906108c | 1356 | { |
357e46e7 | 1357 | struct partial_symbol *temp; |
c906108c | 1358 | struct partial_symbol **start, **psym; |
38d49aff | 1359 | struct partial_symbol **top, **real_top, **bottom, **center; |
c906108c SS |
1360 | int length = (global ? pst->n_global_syms : pst->n_static_syms); |
1361 | int do_linear_search = 1; | |
357e46e7 | 1362 | |
c906108c SS |
1363 | if (length == 0) |
1364 | { | |
1365 | return (NULL); | |
1366 | } | |
c906108c SS |
1367 | start = (global ? |
1368 | pst->objfile->global_psymbols.list + pst->globals_offset : | |
c5aa993b | 1369 | pst->objfile->static_psymbols.list + pst->statics_offset); |
357e46e7 | 1370 | |
c5aa993b | 1371 | if (global) /* This means we can use a binary search. */ |
c906108c SS |
1372 | { |
1373 | do_linear_search = 0; | |
1374 | ||
1375 | /* Binary search. This search is guaranteed to end with center | |
0fe19209 DC |
1376 | pointing at the earliest partial symbol whose name might be |
1377 | correct. At that point *all* partial symbols with an | |
1378 | appropriate name will be checked against the correct | |
176620f1 | 1379 | domain. */ |
c906108c SS |
1380 | |
1381 | bottom = start; | |
1382 | top = start + length - 1; | |
38d49aff | 1383 | real_top = top; |
c906108c SS |
1384 | while (top > bottom) |
1385 | { | |
1386 | center = bottom + (top - bottom) / 2; | |
1387 | if (!(center < top)) | |
e1e9e218 | 1388 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
c906108c | 1389 | if (!do_linear_search |
357e46e7 | 1390 | && (SYMBOL_LANGUAGE (*center) == language_java)) |
c906108c SS |
1391 | { |
1392 | do_linear_search = 1; | |
1393 | } | |
c8be8951 | 1394 | if (strcmp_iw_ordered (SYMBOL_NATURAL_NAME (*center), name) >= 0) |
c906108c SS |
1395 | { |
1396 | top = center; | |
1397 | } | |
1398 | else | |
1399 | { | |
1400 | bottom = center + 1; | |
1401 | } | |
1402 | } | |
1403 | if (!(top == bottom)) | |
e1e9e218 | 1404 | internal_error (__FILE__, __LINE__, "failed internal consistency check"); |
357e46e7 | 1405 | |
3d4e8fd2 DC |
1406 | while (top <= real_top |
1407 | && (linkage_name != NULL | |
1408 | ? strcmp (SYMBOL_LINKAGE_NAME (*top), linkage_name) == 0 | |
1409 | : SYMBOL_MATCHES_NATURAL_NAME (*top,name))) | |
c906108c | 1410 | { |
176620f1 | 1411 | if (SYMBOL_DOMAIN (*top) == domain) |
c906108c | 1412 | { |
357e46e7 | 1413 | return (*top); |
c906108c | 1414 | } |
c5aa993b | 1415 | top++; |
c906108c SS |
1416 | } |
1417 | } | |
1418 | ||
1419 | /* Can't use a binary search or else we found during the binary search that | |
1420 | we should also do a linear search. */ | |
1421 | ||
1422 | if (do_linear_search) | |
357e46e7 | 1423 | { |
c906108c SS |
1424 | for (psym = start; psym < start + length; psym++) |
1425 | { | |
176620f1 | 1426 | if (domain == SYMBOL_DOMAIN (*psym)) |
c906108c | 1427 | { |
3d4e8fd2 DC |
1428 | if (linkage_name != NULL |
1429 | ? strcmp (SYMBOL_LINKAGE_NAME (*psym), linkage_name) == 0 | |
1430 | : SYMBOL_MATCHES_NATURAL_NAME (*psym, name)) | |
c906108c SS |
1431 | { |
1432 | return (*psym); | |
1433 | } | |
1434 | } | |
1435 | } | |
1436 | } | |
1437 | ||
1438 | return (NULL); | |
1439 | } | |
1440 | ||
176620f1 | 1441 | /* Look up a type named NAME in the struct_domain. The type returned |
c906108c SS |
1442 | must not be opaque -- i.e., must have at least one field defined |
1443 | ||
1444 | This code was modelled on lookup_symbol -- the parts not relevant to looking | |
1445 | up types were just left out. In particular it's assumed here that types | |
176620f1 | 1446 | are available in struct_domain and only at file-static or global blocks. */ |
c906108c SS |
1447 | |
1448 | ||
1449 | struct type * | |
fba45db2 | 1450 | lookup_transparent_type (const char *name) |
c906108c SS |
1451 | { |
1452 | register struct symbol *sym; | |
1453 | register struct symtab *s = NULL; | |
1454 | register struct partial_symtab *ps; | |
1455 | struct blockvector *bv; | |
1456 | register struct objfile *objfile; | |
1457 | register struct block *block; | |
c906108c SS |
1458 | |
1459 | /* Now search all the global symbols. Do the symtab's first, then | |
1460 | check the psymtab's. If a psymtab indicates the existence | |
1461 | of the desired name as a global, then do psymtab-to-symtab | |
1462 | conversion on the fly and return the found symbol. */ | |
c5aa993b | 1463 | |
c906108c | 1464 | ALL_SYMTABS (objfile, s) |
c5aa993b JM |
1465 | { |
1466 | bv = BLOCKVECTOR (s); | |
1467 | block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
176620f1 | 1468 | sym = lookup_block_symbol (block, name, NULL, STRUCT_DOMAIN); |
c5aa993b JM |
1469 | if (sym && !TYPE_IS_OPAQUE (SYMBOL_TYPE (sym))) |
1470 | { | |
1471 | return SYMBOL_TYPE (sym); | |
1472 | } | |
1473 | } | |
c906108c SS |
1474 | |
1475 | ALL_PSYMTABS (objfile, ps) | |
c5aa993b | 1476 | { |
3d4e8fd2 | 1477 | if (!ps->readin && lookup_partial_symbol (ps, name, NULL, |
176620f1 | 1478 | 1, STRUCT_DOMAIN)) |
c5aa993b JM |
1479 | { |
1480 | s = PSYMTAB_TO_SYMTAB (ps); | |
1481 | bv = BLOCKVECTOR (s); | |
1482 | block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
176620f1 | 1483 | sym = lookup_block_symbol (block, name, NULL, STRUCT_DOMAIN); |
c5aa993b JM |
1484 | if (!sym) |
1485 | { | |
1486 | /* This shouldn't be necessary, but as a last resort | |
1487 | * try looking in the statics even though the psymtab | |
1488 | * claimed the symbol was global. It's possible that | |
1489 | * the psymtab gets it wrong in some cases. | |
1490 | */ | |
1491 | block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); | |
176620f1 | 1492 | sym = lookup_block_symbol (block, name, NULL, STRUCT_DOMAIN); |
c5aa993b JM |
1493 | if (!sym) |
1494 | error ("Internal: global symbol `%s' found in %s psymtab but not in symtab.\n\ | |
c906108c SS |
1495 | %s may be an inlined function, or may be a template function\n\ |
1496 | (if a template, try specifying an instantiation: %s<type>).", | |
c5aa993b JM |
1497 | name, ps->filename, name, name); |
1498 | } | |
1499 | if (!TYPE_IS_OPAQUE (SYMBOL_TYPE (sym))) | |
1500 | return SYMBOL_TYPE (sym); | |
1501 | } | |
1502 | } | |
c906108c SS |
1503 | |
1504 | /* Now search the static file-level symbols. | |
1505 | Not strictly correct, but more useful than an error. | |
1506 | Do the symtab's first, then | |
1507 | check the psymtab's. If a psymtab indicates the existence | |
1508 | of the desired name as a file-level static, then do psymtab-to-symtab | |
1509 | conversion on the fly and return the found symbol. | |
1510 | */ | |
1511 | ||
1512 | ALL_SYMTABS (objfile, s) | |
c5aa993b JM |
1513 | { |
1514 | bv = BLOCKVECTOR (s); | |
1515 | block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); | |
176620f1 | 1516 | sym = lookup_block_symbol (block, name, NULL, STRUCT_DOMAIN); |
c5aa993b JM |
1517 | if (sym && !TYPE_IS_OPAQUE (SYMBOL_TYPE (sym))) |
1518 | { | |
1519 | return SYMBOL_TYPE (sym); | |
1520 | } | |
1521 | } | |
c906108c SS |
1522 | |
1523 | ALL_PSYMTABS (objfile, ps) | |
c5aa993b | 1524 | { |
176620f1 | 1525 | if (!ps->readin && lookup_partial_symbol (ps, name, NULL, 0, STRUCT_DOMAIN)) |
c5aa993b JM |
1526 | { |
1527 | s = PSYMTAB_TO_SYMTAB (ps); | |
1528 | bv = BLOCKVECTOR (s); | |
1529 | block = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); | |
176620f1 | 1530 | sym = lookup_block_symbol (block, name, NULL, STRUCT_DOMAIN); |
c5aa993b JM |
1531 | if (!sym) |
1532 | { | |
1533 | /* This shouldn't be necessary, but as a last resort | |
1534 | * try looking in the globals even though the psymtab | |
1535 | * claimed the symbol was static. It's possible that | |
1536 | * the psymtab gets it wrong in some cases. | |
1537 | */ | |
1538 | block = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
176620f1 | 1539 | sym = lookup_block_symbol (block, name, NULL, STRUCT_DOMAIN); |
c5aa993b JM |
1540 | if (!sym) |
1541 | error ("Internal: static symbol `%s' found in %s psymtab but not in symtab.\n\ | |
c906108c SS |
1542 | %s may be an inlined function, or may be a template function\n\ |
1543 | (if a template, try specifying an instantiation: %s<type>).", | |
c5aa993b JM |
1544 | name, ps->filename, name, name); |
1545 | } | |
1546 | if (!TYPE_IS_OPAQUE (SYMBOL_TYPE (sym))) | |
1547 | return SYMBOL_TYPE (sym); | |
1548 | } | |
1549 | } | |
c906108c SS |
1550 | return (struct type *) 0; |
1551 | } | |
1552 | ||
1553 | ||
1554 | /* Find the psymtab containing main(). */ | |
1555 | /* FIXME: What about languages without main() or specially linked | |
1556 | executables that have no main() ? */ | |
1557 | ||
1558 | struct partial_symtab * | |
fba45db2 | 1559 | find_main_psymtab (void) |
c906108c SS |
1560 | { |
1561 | register struct partial_symtab *pst; | |
1562 | register struct objfile *objfile; | |
1563 | ||
1564 | ALL_PSYMTABS (objfile, pst) | |
c5aa993b | 1565 | { |
176620f1 | 1566 | if (lookup_partial_symbol (pst, main_name (), NULL, 1, VAR_DOMAIN)) |
c5aa993b JM |
1567 | { |
1568 | return (pst); | |
1569 | } | |
1570 | } | |
c906108c SS |
1571 | return (NULL); |
1572 | } | |
1573 | ||
176620f1 | 1574 | /* Search BLOCK for symbol NAME in DOMAIN. |
c906108c SS |
1575 | |
1576 | Note that if NAME is the demangled form of a C++ symbol, we will fail | |
1577 | to find a match during the binary search of the non-encoded names, but | |
1578 | for now we don't worry about the slight inefficiency of looking for | |
1579 | a match we'll never find, since it will go pretty quick. Once the | |
1580 | binary search terminates, we drop through and do a straight linear | |
1bae87b9 AF |
1581 | search on the symbols. Each symbol which is marked as being a ObjC/C++ |
1582 | symbol (language_cplus or language_objc set) has both the encoded and | |
1583 | non-encoded names tested for a match. | |
3121eff0 | 1584 | |
5ad1c190 | 1585 | If LINKAGE_NAME is non-NULL, verify that any symbol we find has this |
3121eff0 DJ |
1586 | particular mangled name. |
1587 | */ | |
c906108c SS |
1588 | |
1589 | struct symbol * | |
fba45db2 | 1590 | lookup_block_symbol (register const struct block *block, const char *name, |
5ad1c190 | 1591 | const char *linkage_name, |
176620f1 | 1592 | const domain_enum domain) |
c906108c SS |
1593 | { |
1594 | register int bot, top, inc; | |
1595 | register struct symbol *sym; | |
1596 | register struct symbol *sym_found = NULL; | |
1597 | register int do_linear_search = 1; | |
1598 | ||
261397f8 DJ |
1599 | if (BLOCK_HASHTABLE (block)) |
1600 | { | |
1601 | unsigned int hash_index; | |
1602 | hash_index = msymbol_hash_iw (name); | |
1603 | hash_index = hash_index % BLOCK_BUCKETS (block); | |
1604 | for (sym = BLOCK_BUCKET (block, hash_index); sym; sym = sym->hash_next) | |
1605 | { | |
176620f1 | 1606 | if (SYMBOL_DOMAIN (sym) == domain |
5ad1c190 DC |
1607 | && (linkage_name |
1608 | ? strcmp (DEPRECATED_SYMBOL_NAME (sym), linkage_name) == 0 | |
8e437497 | 1609 | : SYMBOL_MATCHES_NATURAL_NAME (sym, name))) |
261397f8 DJ |
1610 | return sym; |
1611 | } | |
1612 | return NULL; | |
1613 | } | |
1614 | ||
c906108c SS |
1615 | /* If the blocks's symbols were sorted, start with a binary search. */ |
1616 | ||
1617 | if (BLOCK_SHOULD_SORT (block)) | |
1618 | { | |
1619 | /* Reset the linear search flag so if the binary search fails, we | |
c5aa993b | 1620 | won't do the linear search once unless we find some reason to |
fba7f19c | 1621 | do so */ |
c906108c SS |
1622 | |
1623 | do_linear_search = 0; | |
1624 | top = BLOCK_NSYMS (block); | |
1625 | bot = 0; | |
1626 | ||
1627 | /* Advance BOT to not far before the first symbol whose name is NAME. */ | |
1628 | ||
1629 | while (1) | |
1630 | { | |
1631 | inc = (top - bot + 1); | |
1632 | /* No need to keep binary searching for the last few bits worth. */ | |
1633 | if (inc < 4) | |
1634 | { | |
1635 | break; | |
1636 | } | |
1637 | inc = (inc >> 1) + bot; | |
1638 | sym = BLOCK_SYM (block, inc); | |
fba7f19c | 1639 | if (!do_linear_search && (SYMBOL_LANGUAGE (sym) == language_java)) |
c906108c SS |
1640 | { |
1641 | do_linear_search = 1; | |
1642 | } | |
c8be8951 | 1643 | if (SYMBOL_NATURAL_NAME (sym)[0] < name[0]) |
c906108c SS |
1644 | { |
1645 | bot = inc; | |
1646 | } | |
c8be8951 | 1647 | else if (SYMBOL_NATURAL_NAME (sym)[0] > name[0]) |
c906108c SS |
1648 | { |
1649 | top = inc; | |
1650 | } | |
c8be8951 | 1651 | else if (strcmp (SYMBOL_NATURAL_NAME (sym), name) < 0) |
c906108c SS |
1652 | { |
1653 | bot = inc; | |
1654 | } | |
1655 | else | |
1656 | { | |
1657 | top = inc; | |
1658 | } | |
1659 | } | |
1660 | ||
1661 | /* Now scan forward until we run out of symbols, find one whose | |
c5aa993b | 1662 | name is greater than NAME, or find one we want. If there is |
176620f1 | 1663 | more than one symbol with the right name and domain, we |
c5aa993b | 1664 | return the first one; I believe it is now impossible for us |
176620f1 | 1665 | to encounter two symbols with the same name and domain |
c5aa993b | 1666 | here, because blocks containing argument symbols are no |
3121eff0 DJ |
1667 | longer sorted. The exception is for C++, where multiple functions |
1668 | (cloned constructors / destructors, in particular) can have | |
1669 | the same demangled name. So if we have a particular | |
1670 | mangled name to match, try to do so. */ | |
c906108c SS |
1671 | |
1672 | top = BLOCK_NSYMS (block); | |
1673 | while (bot < top) | |
1674 | { | |
1675 | sym = BLOCK_SYM (block, bot); | |
176620f1 | 1676 | if (SYMBOL_DOMAIN (sym) == domain |
5ad1c190 DC |
1677 | && (linkage_name |
1678 | ? strcmp (DEPRECATED_SYMBOL_NAME (sym), linkage_name) == 0 | |
8e437497 | 1679 | : SYMBOL_MATCHES_NATURAL_NAME (sym, name))) |
c9049fc9 MC |
1680 | { |
1681 | return sym; | |
1682 | } | |
de5ad195 | 1683 | if (SYMBOL_PRINT_NAME (sym)[0] > name[0]) |
1ba7c32c JM |
1684 | { |
1685 | break; | |
1686 | } | |
c906108c SS |
1687 | bot++; |
1688 | } | |
1689 | } | |
1690 | ||
1691 | /* Here if block isn't sorted, or we fail to find a match during the | |
1692 | binary search above. If during the binary search above, we find a | |
8cc1c882 | 1693 | symbol which is a Java symbol, then we have re-enabled the linear |
c906108c SS |
1694 | search flag which was reset when starting the binary search. |
1695 | ||
1696 | This loop is equivalent to the loop above, but hacked greatly for speed. | |
1697 | ||
1698 | Note that parameter symbols do not always show up last in the | |
1699 | list; this loop makes sure to take anything else other than | |
1700 | parameter symbols first; it only uses parameter symbols as a | |
1701 | last resort. Note that this only takes up extra computation | |
1702 | time on a match. */ | |
1703 | ||
1704 | if (do_linear_search) | |
1705 | { | |
1706 | top = BLOCK_NSYMS (block); | |
1707 | bot = 0; | |
1708 | while (bot < top) | |
1709 | { | |
1710 | sym = BLOCK_SYM (block, bot); | |
176620f1 | 1711 | if (SYMBOL_DOMAIN (sym) == domain |
5ad1c190 DC |
1712 | && (linkage_name |
1713 | ? strcmp (DEPRECATED_SYMBOL_NAME (sym), linkage_name) == 0 | |
8e437497 | 1714 | : SYMBOL_MATCHES_NATURAL_NAME (sym, name))) |
c906108c SS |
1715 | { |
1716 | /* If SYM has aliases, then use any alias that is active | |
c5aa993b JM |
1717 | at the current PC. If no alias is active at the current |
1718 | PC, then use the main symbol. | |
c906108c | 1719 | |
c5aa993b | 1720 | ?!? Is checking the current pc correct? Is this routine |
a0b3c4fd JM |
1721 | ever called to look up a symbol from another context? |
1722 | ||
1723 | FIXME: No, it's not correct. If someone sets a | |
1724 | conditional breakpoint at an address, then the | |
1725 | breakpoint's `struct expression' should refer to the | |
1726 | `struct symbol' appropriate for the breakpoint's | |
1727 | address, which may not be the PC. | |
1728 | ||
1729 | Even if it were never called from another context, | |
1730 | it's totally bizarre for lookup_symbol's behavior to | |
1731 | depend on the value of the inferior's current PC. We | |
1732 | should pass in the appropriate PC as well as the | |
1733 | block. The interface to lookup_symbol should change | |
1734 | to require the caller to provide a PC. */ | |
1735 | ||
c5aa993b JM |
1736 | if (SYMBOL_ALIASES (sym)) |
1737 | sym = find_active_alias (sym, read_pc ()); | |
c906108c SS |
1738 | |
1739 | sym_found = sym; | |
1740 | if (SYMBOL_CLASS (sym) != LOC_ARG && | |
1741 | SYMBOL_CLASS (sym) != LOC_LOCAL_ARG && | |
1742 | SYMBOL_CLASS (sym) != LOC_REF_ARG && | |
1743 | SYMBOL_CLASS (sym) != LOC_REGPARM && | |
1744 | SYMBOL_CLASS (sym) != LOC_REGPARM_ADDR && | |
4c2df51b DJ |
1745 | SYMBOL_CLASS (sym) != LOC_BASEREG_ARG && |
1746 | SYMBOL_CLASS (sym) != LOC_COMPUTED_ARG) | |
c906108c SS |
1747 | { |
1748 | break; | |
1749 | } | |
1750 | } | |
1751 | bot++; | |
1752 | } | |
1753 | } | |
1754 | return (sym_found); /* Will be NULL if not found. */ | |
1755 | } | |
1756 | ||
1757 | /* Given a main symbol SYM and ADDR, search through the alias | |
1758 | list to determine if an alias is active at ADDR and return | |
1759 | the active alias. | |
1760 | ||
1761 | If no alias is active, then return SYM. */ | |
1762 | ||
1763 | static struct symbol * | |
fba45db2 | 1764 | find_active_alias (struct symbol *sym, CORE_ADDR addr) |
c906108c SS |
1765 | { |
1766 | struct range_list *r; | |
1767 | struct alias_list *aliases; | |
1768 | ||
1769 | /* If we have aliases, check them first. */ | |
1770 | aliases = SYMBOL_ALIASES (sym); | |
1771 | ||
1772 | while (aliases) | |
1773 | { | |
1774 | if (!SYMBOL_RANGES (aliases->sym)) | |
c5aa993b | 1775 | return aliases->sym; |
c906108c SS |
1776 | for (r = SYMBOL_RANGES (aliases->sym); r; r = r->next) |
1777 | { | |
1778 | if (r->start <= addr && r->end > addr) | |
1779 | return aliases->sym; | |
1780 | } | |
1781 | aliases = aliases->next; | |
1782 | } | |
1783 | ||
1784 | /* Nothing found, return the main symbol. */ | |
1785 | return sym; | |
1786 | } | |
c906108c | 1787 | \f |
c5aa993b | 1788 | |
c906108c SS |
1789 | /* Find the symtab associated with PC and SECTION. Look through the |
1790 | psymtabs and read in another symtab if necessary. */ | |
1791 | ||
1792 | struct symtab * | |
fba45db2 | 1793 | find_pc_sect_symtab (CORE_ADDR pc, asection *section) |
c906108c SS |
1794 | { |
1795 | register struct block *b; | |
1796 | struct blockvector *bv; | |
1797 | register struct symtab *s = NULL; | |
1798 | register struct symtab *best_s = NULL; | |
1799 | register struct partial_symtab *ps; | |
1800 | register struct objfile *objfile; | |
1801 | CORE_ADDR distance = 0; | |
8a48e967 DJ |
1802 | struct minimal_symbol *msymbol; |
1803 | ||
1804 | /* If we know that this is not a text address, return failure. This is | |
1805 | necessary because we loop based on the block's high and low code | |
1806 | addresses, which do not include the data ranges, and because | |
1807 | we call find_pc_sect_psymtab which has a similar restriction based | |
1808 | on the partial_symtab's texthigh and textlow. */ | |
1809 | msymbol = lookup_minimal_symbol_by_pc_section (pc, section); | |
1810 | if (msymbol | |
1811 | && (msymbol->type == mst_data | |
1812 | || msymbol->type == mst_bss | |
1813 | || msymbol->type == mst_abs | |
1814 | || msymbol->type == mst_file_data | |
1815 | || msymbol->type == mst_file_bss)) | |
1816 | return NULL; | |
c906108c SS |
1817 | |
1818 | /* Search all symtabs for the one whose file contains our address, and which | |
1819 | is the smallest of all the ones containing the address. This is designed | |
1820 | to deal with a case like symtab a is at 0x1000-0x2000 and 0x3000-0x4000 | |
1821 | and symtab b is at 0x2000-0x3000. So the GLOBAL_BLOCK for a is from | |
1822 | 0x1000-0x4000, but for address 0x2345 we want to return symtab b. | |
1823 | ||
1824 | This happens for native ecoff format, where code from included files | |
1825 | gets its own symtab. The symtab for the included file should have | |
1826 | been read in already via the dependency mechanism. | |
1827 | It might be swifter to create several symtabs with the same name | |
1828 | like xcoff does (I'm not sure). | |
1829 | ||
1830 | It also happens for objfiles that have their functions reordered. | |
1831 | For these, the symtab we are looking for is not necessarily read in. */ | |
1832 | ||
1833 | ALL_SYMTABS (objfile, s) | |
c5aa993b JM |
1834 | { |
1835 | bv = BLOCKVECTOR (s); | |
1836 | b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); | |
c906108c | 1837 | |
c5aa993b | 1838 | if (BLOCK_START (b) <= pc |
c5aa993b | 1839 | && BLOCK_END (b) > pc |
c5aa993b JM |
1840 | && (distance == 0 |
1841 | || BLOCK_END (b) - BLOCK_START (b) < distance)) | |
1842 | { | |
1843 | /* For an objfile that has its functions reordered, | |
1844 | find_pc_psymtab will find the proper partial symbol table | |
1845 | and we simply return its corresponding symtab. */ | |
1846 | /* In order to better support objfiles that contain both | |
1847 | stabs and coff debugging info, we continue on if a psymtab | |
1848 | can't be found. */ | |
1849 | if ((objfile->flags & OBJF_REORDERED) && objfile->psymtabs) | |
1850 | { | |
1851 | ps = find_pc_sect_psymtab (pc, section); | |
1852 | if (ps) | |
1853 | return PSYMTAB_TO_SYMTAB (ps); | |
1854 | } | |
1855 | if (section != 0) | |
1856 | { | |
1857 | int i; | |
261397f8 | 1858 | struct symbol *sym = NULL; |
c906108c | 1859 | |
261397f8 | 1860 | ALL_BLOCK_SYMBOLS (b, i, sym) |
c5aa993b | 1861 | { |
261397f8 DJ |
1862 | fixup_symbol_section (sym, objfile); |
1863 | if (section == SYMBOL_BFD_SECTION (sym)) | |
c5aa993b JM |
1864 | break; |
1865 | } | |
261397f8 | 1866 | if ((i >= BLOCK_BUCKETS (b)) && (sym == NULL)) |
c5aa993b JM |
1867 | continue; /* no symbol in this symtab matches section */ |
1868 | } | |
1869 | distance = BLOCK_END (b) - BLOCK_START (b); | |
1870 | best_s = s; | |
1871 | } | |
1872 | } | |
c906108c SS |
1873 | |
1874 | if (best_s != NULL) | |
c5aa993b | 1875 | return (best_s); |
c906108c SS |
1876 | |
1877 | s = NULL; | |
1878 | ps = find_pc_sect_psymtab (pc, section); | |
1879 | if (ps) | |
1880 | { | |
1881 | if (ps->readin) | |
1882 | /* Might want to error() here (in case symtab is corrupt and | |
1883 | will cause a core dump), but maybe we can successfully | |
1884 | continue, so let's not. */ | |
c906108c | 1885 | warning ("\ |
d730266b AC |
1886 | (Internal error: pc 0x%s in read in psymtab, but not in symtab.)\n", |
1887 | paddr_nz (pc)); | |
c906108c SS |
1888 | s = PSYMTAB_TO_SYMTAB (ps); |
1889 | } | |
1890 | return (s); | |
1891 | } | |
1892 | ||
1893 | /* Find the symtab associated with PC. Look through the psymtabs and | |
1894 | read in another symtab if necessary. Backward compatibility, no section */ | |
1895 | ||
1896 | struct symtab * | |
fba45db2 | 1897 | find_pc_symtab (CORE_ADDR pc) |
c906108c SS |
1898 | { |
1899 | return find_pc_sect_symtab (pc, find_pc_mapped_section (pc)); | |
1900 | } | |
c906108c | 1901 | \f |
c5aa993b | 1902 | |
7e73cedf | 1903 | /* Find the source file and line number for a given PC value and SECTION. |
c906108c SS |
1904 | Return a structure containing a symtab pointer, a line number, |
1905 | and a pc range for the entire source line. | |
1906 | The value's .pc field is NOT the specified pc. | |
1907 | NOTCURRENT nonzero means, if specified pc is on a line boundary, | |
1908 | use the line that ends there. Otherwise, in that case, the line | |
1909 | that begins there is used. */ | |
1910 | ||
1911 | /* The big complication here is that a line may start in one file, and end just | |
1912 | before the start of another file. This usually occurs when you #include | |
1913 | code in the middle of a subroutine. To properly find the end of a line's PC | |
1914 | range, we must search all symtabs associated with this compilation unit, and | |
1915 | find the one whose first PC is closer than that of the next line in this | |
1916 | symtab. */ | |
1917 | ||
1918 | /* If it's worth the effort, we could be using a binary search. */ | |
1919 | ||
1920 | struct symtab_and_line | |
fba45db2 | 1921 | find_pc_sect_line (CORE_ADDR pc, struct sec *section, int notcurrent) |
c906108c SS |
1922 | { |
1923 | struct symtab *s; | |
1924 | register struct linetable *l; | |
1925 | register int len; | |
1926 | register int i; | |
1927 | register struct linetable_entry *item; | |
1928 | struct symtab_and_line val; | |
1929 | struct blockvector *bv; | |
1930 | struct minimal_symbol *msymbol; | |
1931 | struct minimal_symbol *mfunsym; | |
1932 | ||
1933 | /* Info on best line seen so far, and where it starts, and its file. */ | |
1934 | ||
1935 | struct linetable_entry *best = NULL; | |
1936 | CORE_ADDR best_end = 0; | |
1937 | struct symtab *best_symtab = 0; | |
1938 | ||
1939 | /* Store here the first line number | |
1940 | of a file which contains the line at the smallest pc after PC. | |
1941 | If we don't find a line whose range contains PC, | |
1942 | we will use a line one less than this, | |
1943 | with a range from the start of that file to the first line's pc. */ | |
1944 | struct linetable_entry *alt = NULL; | |
1945 | struct symtab *alt_symtab = 0; | |
1946 | ||
1947 | /* Info on best line seen in this file. */ | |
1948 | ||
1949 | struct linetable_entry *prev; | |
1950 | ||
1951 | /* If this pc is not from the current frame, | |
1952 | it is the address of the end of a call instruction. | |
1953 | Quite likely that is the start of the following statement. | |
1954 | But what we want is the statement containing the instruction. | |
1955 | Fudge the pc to make sure we get that. */ | |
1956 | ||
fe39c653 | 1957 | init_sal (&val); /* initialize to zeroes */ |
c906108c | 1958 | |
b77b1eb7 JB |
1959 | /* It's tempting to assume that, if we can't find debugging info for |
1960 | any function enclosing PC, that we shouldn't search for line | |
1961 | number info, either. However, GAS can emit line number info for | |
1962 | assembly files --- very helpful when debugging hand-written | |
1963 | assembly code. In such a case, we'd have no debug info for the | |
1964 | function, but we would have line info. */ | |
648f4f79 | 1965 | |
c906108c SS |
1966 | if (notcurrent) |
1967 | pc -= 1; | |
1968 | ||
c5aa993b | 1969 | /* elz: added this because this function returned the wrong |
c906108c SS |
1970 | information if the pc belongs to a stub (import/export) |
1971 | to call a shlib function. This stub would be anywhere between | |
1972 | two functions in the target, and the line info was erroneously | |
1973 | taken to be the one of the line before the pc. | |
c5aa993b | 1974 | */ |
c906108c | 1975 | /* RT: Further explanation: |
c5aa993b | 1976 | |
c906108c SS |
1977 | * We have stubs (trampolines) inserted between procedures. |
1978 | * | |
1979 | * Example: "shr1" exists in a shared library, and a "shr1" stub also | |
1980 | * exists in the main image. | |
1981 | * | |
1982 | * In the minimal symbol table, we have a bunch of symbols | |
1983 | * sorted by start address. The stubs are marked as "trampoline", | |
1984 | * the others appear as text. E.g.: | |
1985 | * | |
1986 | * Minimal symbol table for main image | |
1987 | * main: code for main (text symbol) | |
1988 | * shr1: stub (trampoline symbol) | |
1989 | * foo: code for foo (text symbol) | |
1990 | * ... | |
1991 | * Minimal symbol table for "shr1" image: | |
1992 | * ... | |
1993 | * shr1: code for shr1 (text symbol) | |
1994 | * ... | |
1995 | * | |
1996 | * So the code below is trying to detect if we are in the stub | |
1997 | * ("shr1" stub), and if so, find the real code ("shr1" trampoline), | |
1998 | * and if found, do the symbolization from the real-code address | |
1999 | * rather than the stub address. | |
2000 | * | |
2001 | * Assumptions being made about the minimal symbol table: | |
2002 | * 1. lookup_minimal_symbol_by_pc() will return a trampoline only | |
2003 | * if we're really in the trampoline. If we're beyond it (say | |
2004 | * we're in "foo" in the above example), it'll have a closer | |
2005 | * symbol (the "foo" text symbol for example) and will not | |
2006 | * return the trampoline. | |
2007 | * 2. lookup_minimal_symbol_text() will find a real text symbol | |
2008 | * corresponding to the trampoline, and whose address will | |
2009 | * be different than the trampoline address. I put in a sanity | |
2010 | * check for the address being the same, to avoid an | |
2011 | * infinite recursion. | |
2012 | */ | |
c5aa993b JM |
2013 | msymbol = lookup_minimal_symbol_by_pc (pc); |
2014 | if (msymbol != NULL) | |
c906108c | 2015 | if (MSYMBOL_TYPE (msymbol) == mst_solib_trampoline) |
c5aa993b | 2016 | { |
22abf04a | 2017 | mfunsym = lookup_minimal_symbol_text (DEPRECATED_SYMBOL_NAME (msymbol), NULL, NULL); |
c5aa993b JM |
2018 | if (mfunsym == NULL) |
2019 | /* I eliminated this warning since it is coming out | |
2020 | * in the following situation: | |
2021 | * gdb shmain // test program with shared libraries | |
2022 | * (gdb) break shr1 // function in shared lib | |
2023 | * Warning: In stub for ... | |
2024 | * In the above situation, the shared lib is not loaded yet, | |
2025 | * so of course we can't find the real func/line info, | |
2026 | * but the "break" still works, and the warning is annoying. | |
2027 | * So I commented out the warning. RT */ | |
22abf04a | 2028 | /* warning ("In stub for %s; unable to find real function/line info", DEPRECATED_SYMBOL_NAME (msymbol)) */ ; |
c5aa993b JM |
2029 | /* fall through */ |
2030 | else if (SYMBOL_VALUE (mfunsym) == SYMBOL_VALUE (msymbol)) | |
2031 | /* Avoid infinite recursion */ | |
2032 | /* See above comment about why warning is commented out */ | |
22abf04a | 2033 | /* warning ("In stub for %s; unable to find real function/line info", DEPRECATED_SYMBOL_NAME (msymbol)) */ ; |
c5aa993b JM |
2034 | /* fall through */ |
2035 | else | |
2036 | return find_pc_line (SYMBOL_VALUE (mfunsym), 0); | |
2037 | } | |
c906108c SS |
2038 | |
2039 | ||
2040 | s = find_pc_sect_symtab (pc, section); | |
2041 | if (!s) | |
2042 | { | |
2043 | /* if no symbol information, return previous pc */ | |
2044 | if (notcurrent) | |
2045 | pc++; | |
2046 | val.pc = pc; | |
2047 | return val; | |
2048 | } | |
2049 | ||
2050 | bv = BLOCKVECTOR (s); | |
2051 | ||
2052 | /* Look at all the symtabs that share this blockvector. | |
2053 | They all have the same apriori range, that we found was right; | |
2054 | but they have different line tables. */ | |
2055 | ||
2056 | for (; s && BLOCKVECTOR (s) == bv; s = s->next) | |
2057 | { | |
2058 | /* Find the best line in this symtab. */ | |
2059 | l = LINETABLE (s); | |
2060 | if (!l) | |
c5aa993b | 2061 | continue; |
c906108c SS |
2062 | len = l->nitems; |
2063 | if (len <= 0) | |
2064 | { | |
2065 | /* I think len can be zero if the symtab lacks line numbers | |
2066 | (e.g. gcc -g1). (Either that or the LINETABLE is NULL; | |
2067 | I'm not sure which, and maybe it depends on the symbol | |
2068 | reader). */ | |
2069 | continue; | |
2070 | } | |
2071 | ||
2072 | prev = NULL; | |
2073 | item = l->item; /* Get first line info */ | |
2074 | ||
2075 | /* Is this file's first line closer than the first lines of other files? | |
c5aa993b | 2076 | If so, record this file, and its first line, as best alternate. */ |
c906108c SS |
2077 | if (item->pc > pc && (!alt || item->pc < alt->pc)) |
2078 | { | |
2079 | alt = item; | |
2080 | alt_symtab = s; | |
2081 | } | |
2082 | ||
2083 | for (i = 0; i < len; i++, item++) | |
2084 | { | |
2085 | /* Leave prev pointing to the linetable entry for the last line | |
2086 | that started at or before PC. */ | |
2087 | if (item->pc > pc) | |
2088 | break; | |
2089 | ||
2090 | prev = item; | |
2091 | } | |
2092 | ||
2093 | /* At this point, prev points at the line whose start addr is <= pc, and | |
c5aa993b JM |
2094 | item points at the next line. If we ran off the end of the linetable |
2095 | (pc >= start of the last line), then prev == item. If pc < start of | |
2096 | the first line, prev will not be set. */ | |
c906108c SS |
2097 | |
2098 | /* Is this file's best line closer than the best in the other files? | |
083ae935 DJ |
2099 | If so, record this file, and its best line, as best so far. Don't |
2100 | save prev if it represents the end of a function (i.e. line number | |
2101 | 0) instead of a real line. */ | |
c906108c | 2102 | |
083ae935 | 2103 | if (prev && prev->line && (!best || prev->pc > best->pc)) |
c906108c SS |
2104 | { |
2105 | best = prev; | |
2106 | best_symtab = s; | |
25d53da1 KB |
2107 | |
2108 | /* Discard BEST_END if it's before the PC of the current BEST. */ | |
2109 | if (best_end <= best->pc) | |
2110 | best_end = 0; | |
c906108c | 2111 | } |
25d53da1 KB |
2112 | |
2113 | /* If another line (denoted by ITEM) is in the linetable and its | |
2114 | PC is after BEST's PC, but before the current BEST_END, then | |
2115 | use ITEM's PC as the new best_end. */ | |
2116 | if (best && i < len && item->pc > best->pc | |
2117 | && (best_end == 0 || best_end > item->pc)) | |
2118 | best_end = item->pc; | |
c906108c SS |
2119 | } |
2120 | ||
2121 | if (!best_symtab) | |
2122 | { | |
2123 | if (!alt_symtab) | |
2124 | { /* If we didn't find any line # info, just | |
2125 | return zeros. */ | |
2126 | val.pc = pc; | |
2127 | } | |
2128 | else | |
2129 | { | |
2130 | val.symtab = alt_symtab; | |
2131 | val.line = alt->line - 1; | |
2132 | ||
2133 | /* Don't return line 0, that means that we didn't find the line. */ | |
c5aa993b JM |
2134 | if (val.line == 0) |
2135 | ++val.line; | |
c906108c SS |
2136 | |
2137 | val.pc = BLOCK_END (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK)); | |
2138 | val.end = alt->pc; | |
2139 | } | |
2140 | } | |
e8717518 FF |
2141 | else if (best->line == 0) |
2142 | { | |
2143 | /* If our best fit is in a range of PC's for which no line | |
2144 | number info is available (line number is zero) then we didn't | |
2145 | find any valid line information. */ | |
2146 | val.pc = pc; | |
2147 | } | |
c906108c SS |
2148 | else |
2149 | { | |
2150 | val.symtab = best_symtab; | |
2151 | val.line = best->line; | |
2152 | val.pc = best->pc; | |
2153 | if (best_end && (!alt || best_end < alt->pc)) | |
2154 | val.end = best_end; | |
2155 | else if (alt) | |
2156 | val.end = alt->pc; | |
2157 | else | |
2158 | val.end = BLOCK_END (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK)); | |
2159 | } | |
2160 | val.section = section; | |
2161 | return val; | |
2162 | } | |
2163 | ||
2164 | /* Backward compatibility (no section) */ | |
2165 | ||
2166 | struct symtab_and_line | |
fba45db2 | 2167 | find_pc_line (CORE_ADDR pc, int notcurrent) |
c906108c | 2168 | { |
c5aa993b | 2169 | asection *section; |
c906108c SS |
2170 | |
2171 | section = find_pc_overlay (pc); | |
2172 | if (pc_in_unmapped_range (pc, section)) | |
2173 | pc = overlay_mapped_address (pc, section); | |
2174 | return find_pc_sect_line (pc, section, notcurrent); | |
2175 | } | |
c906108c | 2176 | \f |
c906108c SS |
2177 | /* Find line number LINE in any symtab whose name is the same as |
2178 | SYMTAB. | |
2179 | ||
2180 | If found, return the symtab that contains the linetable in which it was | |
2181 | found, set *INDEX to the index in the linetable of the best entry | |
2182 | found, and set *EXACT_MATCH nonzero if the value returned is an | |
2183 | exact match. | |
2184 | ||
2185 | If not found, return NULL. */ | |
2186 | ||
50641945 | 2187 | struct symtab * |
fba45db2 | 2188 | find_line_symtab (struct symtab *symtab, int line, int *index, int *exact_match) |
c906108c SS |
2189 | { |
2190 | int exact; | |
2191 | ||
2192 | /* BEST_INDEX and BEST_LINETABLE identify the smallest linenumber > LINE | |
2193 | so far seen. */ | |
2194 | ||
2195 | int best_index; | |
2196 | struct linetable *best_linetable; | |
2197 | struct symtab *best_symtab; | |
2198 | ||
2199 | /* First try looking it up in the given symtab. */ | |
2200 | best_linetable = LINETABLE (symtab); | |
2201 | best_symtab = symtab; | |
2202 | best_index = find_line_common (best_linetable, line, &exact); | |
2203 | if (best_index < 0 || !exact) | |
2204 | { | |
2205 | /* Didn't find an exact match. So we better keep looking for | |
c5aa993b JM |
2206 | another symtab with the same name. In the case of xcoff, |
2207 | multiple csects for one source file (produced by IBM's FORTRAN | |
2208 | compiler) produce multiple symtabs (this is unavoidable | |
2209 | assuming csects can be at arbitrary places in memory and that | |
2210 | the GLOBAL_BLOCK of a symtab has a begin and end address). */ | |
c906108c SS |
2211 | |
2212 | /* BEST is the smallest linenumber > LINE so far seen, | |
c5aa993b JM |
2213 | or 0 if none has been seen so far. |
2214 | BEST_INDEX and BEST_LINETABLE identify the item for it. */ | |
c906108c SS |
2215 | int best; |
2216 | ||
2217 | struct objfile *objfile; | |
2218 | struct symtab *s; | |
2219 | ||
2220 | if (best_index >= 0) | |
2221 | best = best_linetable->item[best_index].line; | |
2222 | else | |
2223 | best = 0; | |
2224 | ||
2225 | ALL_SYMTABS (objfile, s) | |
c5aa993b JM |
2226 | { |
2227 | struct linetable *l; | |
2228 | int ind; | |
c906108c | 2229 | |
c5aa993b JM |
2230 | if (!STREQ (symtab->filename, s->filename)) |
2231 | continue; | |
2232 | l = LINETABLE (s); | |
2233 | ind = find_line_common (l, line, &exact); | |
2234 | if (ind >= 0) | |
2235 | { | |
2236 | if (exact) | |
2237 | { | |
2238 | best_index = ind; | |
2239 | best_linetable = l; | |
2240 | best_symtab = s; | |
2241 | goto done; | |
2242 | } | |
2243 | if (best == 0 || l->item[ind].line < best) | |
2244 | { | |
2245 | best = l->item[ind].line; | |
2246 | best_index = ind; | |
2247 | best_linetable = l; | |
2248 | best_symtab = s; | |
2249 | } | |
2250 | } | |
2251 | } | |
c906108c | 2252 | } |
c5aa993b | 2253 | done: |
c906108c SS |
2254 | if (best_index < 0) |
2255 | return NULL; | |
2256 | ||
2257 | if (index) | |
2258 | *index = best_index; | |
2259 | if (exact_match) | |
2260 | *exact_match = exact; | |
2261 | ||
2262 | return best_symtab; | |
2263 | } | |
2264 | \f | |
2265 | /* Set the PC value for a given source file and line number and return true. | |
2266 | Returns zero for invalid line number (and sets the PC to 0). | |
2267 | The source file is specified with a struct symtab. */ | |
2268 | ||
2269 | int | |
fba45db2 | 2270 | find_line_pc (struct symtab *symtab, int line, CORE_ADDR *pc) |
c906108c SS |
2271 | { |
2272 | struct linetable *l; | |
2273 | int ind; | |
2274 | ||
2275 | *pc = 0; | |
2276 | if (symtab == 0) | |
2277 | return 0; | |
2278 | ||
2279 | symtab = find_line_symtab (symtab, line, &ind, NULL); | |
2280 | if (symtab != NULL) | |
2281 | { | |
2282 | l = LINETABLE (symtab); | |
2283 | *pc = l->item[ind].pc; | |
2284 | return 1; | |
2285 | } | |
2286 | else | |
2287 | return 0; | |
2288 | } | |
2289 | ||
2290 | /* Find the range of pc values in a line. | |
2291 | Store the starting pc of the line into *STARTPTR | |
2292 | and the ending pc (start of next line) into *ENDPTR. | |
2293 | Returns 1 to indicate success. | |
2294 | Returns 0 if could not find the specified line. */ | |
2295 | ||
2296 | int | |
fba45db2 KB |
2297 | find_line_pc_range (struct symtab_and_line sal, CORE_ADDR *startptr, |
2298 | CORE_ADDR *endptr) | |
c906108c SS |
2299 | { |
2300 | CORE_ADDR startaddr; | |
2301 | struct symtab_and_line found_sal; | |
2302 | ||
2303 | startaddr = sal.pc; | |
c5aa993b | 2304 | if (startaddr == 0 && !find_line_pc (sal.symtab, sal.line, &startaddr)) |
c906108c SS |
2305 | return 0; |
2306 | ||
2307 | /* This whole function is based on address. For example, if line 10 has | |
2308 | two parts, one from 0x100 to 0x200 and one from 0x300 to 0x400, then | |
2309 | "info line *0x123" should say the line goes from 0x100 to 0x200 | |
2310 | and "info line *0x355" should say the line goes from 0x300 to 0x400. | |
2311 | This also insures that we never give a range like "starts at 0x134 | |
2312 | and ends at 0x12c". */ | |
2313 | ||
2314 | found_sal = find_pc_sect_line (startaddr, sal.section, 0); | |
2315 | if (found_sal.line != sal.line) | |
2316 | { | |
2317 | /* The specified line (sal) has zero bytes. */ | |
2318 | *startptr = found_sal.pc; | |
2319 | *endptr = found_sal.pc; | |
2320 | } | |
2321 | else | |
2322 | { | |
2323 | *startptr = found_sal.pc; | |
2324 | *endptr = found_sal.end; | |
2325 | } | |
2326 | return 1; | |
2327 | } | |
2328 | ||
2329 | /* Given a line table and a line number, return the index into the line | |
2330 | table for the pc of the nearest line whose number is >= the specified one. | |
2331 | Return -1 if none is found. The value is >= 0 if it is an index. | |
2332 | ||
2333 | Set *EXACT_MATCH nonzero if the value returned is an exact match. */ | |
2334 | ||
2335 | static int | |
fba45db2 KB |
2336 | find_line_common (register struct linetable *l, register int lineno, |
2337 | int *exact_match) | |
c906108c SS |
2338 | { |
2339 | register int i; | |
2340 | register int len; | |
2341 | ||
2342 | /* BEST is the smallest linenumber > LINENO so far seen, | |
2343 | or 0 if none has been seen so far. | |
2344 | BEST_INDEX identifies the item for it. */ | |
2345 | ||
2346 | int best_index = -1; | |
2347 | int best = 0; | |
2348 | ||
2349 | if (lineno <= 0) | |
2350 | return -1; | |
2351 | if (l == 0) | |
2352 | return -1; | |
2353 | ||
2354 | len = l->nitems; | |
2355 | for (i = 0; i < len; i++) | |
2356 | { | |
2357 | register struct linetable_entry *item = &(l->item[i]); | |
2358 | ||
2359 | if (item->line == lineno) | |
2360 | { | |
2361 | /* Return the first (lowest address) entry which matches. */ | |
2362 | *exact_match = 1; | |
2363 | return i; | |
2364 | } | |
2365 | ||
2366 | if (item->line > lineno && (best == 0 || item->line < best)) | |
2367 | { | |
2368 | best = item->line; | |
2369 | best_index = i; | |
2370 | } | |
2371 | } | |
2372 | ||
2373 | /* If we got here, we didn't get an exact match. */ | |
2374 | ||
2375 | *exact_match = 0; | |
2376 | return best_index; | |
2377 | } | |
2378 | ||
2379 | int | |
fba45db2 | 2380 | find_pc_line_pc_range (CORE_ADDR pc, CORE_ADDR *startptr, CORE_ADDR *endptr) |
c906108c SS |
2381 | { |
2382 | struct symtab_and_line sal; | |
2383 | sal = find_pc_line (pc, 0); | |
2384 | *startptr = sal.pc; | |
2385 | *endptr = sal.end; | |
2386 | return sal.symtab != 0; | |
2387 | } | |
2388 | ||
2389 | /* Given a function symbol SYM, find the symtab and line for the start | |
2390 | of the function. | |
2391 | If the argument FUNFIRSTLINE is nonzero, we want the first line | |
2392 | of real code inside the function. */ | |
2393 | ||
50641945 | 2394 | struct symtab_and_line |
fba45db2 | 2395 | find_function_start_sal (struct symbol *sym, int funfirstline) |
c906108c SS |
2396 | { |
2397 | CORE_ADDR pc; | |
2398 | struct symtab_and_line sal; | |
2399 | ||
2400 | pc = BLOCK_START (SYMBOL_BLOCK_VALUE (sym)); | |
2401 | fixup_symbol_section (sym, NULL); | |
2402 | if (funfirstline) | |
c5aa993b | 2403 | { /* skip "first line" of function (which is actually its prologue) */ |
c906108c SS |
2404 | asection *section = SYMBOL_BFD_SECTION (sym); |
2405 | /* If function is in an unmapped overlay, use its unmapped LMA | |
c5aa993b | 2406 | address, so that SKIP_PROLOGUE has something unique to work on */ |
c906108c SS |
2407 | if (section_is_overlay (section) && |
2408 | !section_is_mapped (section)) | |
2409 | pc = overlay_unmapped_address (pc, section); | |
2410 | ||
2411 | pc += FUNCTION_START_OFFSET; | |
b83266a0 | 2412 | pc = SKIP_PROLOGUE (pc); |
c906108c SS |
2413 | |
2414 | /* For overlays, map pc back into its mapped VMA range */ | |
2415 | pc = overlay_mapped_address (pc, section); | |
2416 | } | |
2417 | sal = find_pc_sect_line (pc, SYMBOL_BFD_SECTION (sym), 0); | |
2418 | ||
2419 | #ifdef PROLOGUE_FIRSTLINE_OVERLAP | |
2420 | /* Convex: no need to suppress code on first line, if any */ | |
2421 | sal.pc = pc; | |
2422 | #else | |
2423 | /* Check if SKIP_PROLOGUE left us in mid-line, and the next | |
2424 | line is still part of the same function. */ | |
2425 | if (sal.pc != pc | |
2426 | && BLOCK_START (SYMBOL_BLOCK_VALUE (sym)) <= sal.end | |
2427 | && sal.end < BLOCK_END (SYMBOL_BLOCK_VALUE (sym))) | |
2428 | { | |
2429 | /* First pc of next line */ | |
2430 | pc = sal.end; | |
2431 | /* Recalculate the line number (might not be N+1). */ | |
2432 | sal = find_pc_sect_line (pc, SYMBOL_BFD_SECTION (sym), 0); | |
2433 | } | |
2434 | sal.pc = pc; | |
2435 | #endif | |
2436 | ||
2437 | return sal; | |
2438 | } | |
50641945 | 2439 | |
c906108c SS |
2440 | /* If P is of the form "operator[ \t]+..." where `...' is |
2441 | some legitimate operator text, return a pointer to the | |
2442 | beginning of the substring of the operator text. | |
2443 | Otherwise, return "". */ | |
2444 | char * | |
fba45db2 | 2445 | operator_chars (char *p, char **end) |
c906108c SS |
2446 | { |
2447 | *end = ""; | |
2448 | if (strncmp (p, "operator", 8)) | |
2449 | return *end; | |
2450 | p += 8; | |
2451 | ||
2452 | /* Don't get faked out by `operator' being part of a longer | |
2453 | identifier. */ | |
c5aa993b | 2454 | if (isalpha (*p) || *p == '_' || *p == '$' || *p == '\0') |
c906108c SS |
2455 | return *end; |
2456 | ||
2457 | /* Allow some whitespace between `operator' and the operator symbol. */ | |
2458 | while (*p == ' ' || *p == '\t') | |
2459 | p++; | |
2460 | ||
2461 | /* Recognize 'operator TYPENAME'. */ | |
2462 | ||
c5aa993b | 2463 | if (isalpha (*p) || *p == '_' || *p == '$') |
c906108c | 2464 | { |
c5aa993b JM |
2465 | register char *q = p + 1; |
2466 | while (isalnum (*q) || *q == '_' || *q == '$') | |
c906108c SS |
2467 | q++; |
2468 | *end = q; | |
2469 | return p; | |
2470 | } | |
2471 | ||
53e8ad3d MS |
2472 | while (*p) |
2473 | switch (*p) | |
2474 | { | |
2475 | case '\\': /* regexp quoting */ | |
2476 | if (p[1] == '*') | |
2477 | { | |
2478 | if (p[2] == '=') /* 'operator\*=' */ | |
2479 | *end = p + 3; | |
2480 | else /* 'operator\*' */ | |
2481 | *end = p + 2; | |
2482 | return p; | |
2483 | } | |
2484 | else if (p[1] == '[') | |
2485 | { | |
2486 | if (p[2] == ']') | |
2487 | error ("mismatched quoting on brackets, try 'operator\\[\\]'"); | |
2488 | else if (p[2] == '\\' && p[3] == ']') | |
2489 | { | |
2490 | *end = p + 4; /* 'operator\[\]' */ | |
2491 | return p; | |
2492 | } | |
2493 | else | |
2494 | error ("nothing is allowed between '[' and ']'"); | |
2495 | } | |
2496 | else | |
2497 | { | |
2498 | /* Gratuitous qoute: skip it and move on. */ | |
2499 | p++; | |
2500 | continue; | |
2501 | } | |
2502 | break; | |
2503 | case '!': | |
2504 | case '=': | |
2505 | case '*': | |
2506 | case '/': | |
2507 | case '%': | |
2508 | case '^': | |
2509 | if (p[1] == '=') | |
2510 | *end = p + 2; | |
2511 | else | |
2512 | *end = p + 1; | |
2513 | return p; | |
2514 | case '<': | |
2515 | case '>': | |
2516 | case '+': | |
2517 | case '-': | |
2518 | case '&': | |
2519 | case '|': | |
2520 | if (p[0] == '-' && p[1] == '>') | |
2521 | { | |
2522 | /* Struct pointer member operator 'operator->'. */ | |
2523 | if (p[2] == '*') | |
2524 | { | |
2525 | *end = p + 3; /* 'operator->*' */ | |
2526 | return p; | |
2527 | } | |
2528 | else if (p[2] == '\\') | |
2529 | { | |
2530 | *end = p + 4; /* Hopefully 'operator->\*' */ | |
2531 | return p; | |
2532 | } | |
2533 | else | |
2534 | { | |
2535 | *end = p + 2; /* 'operator->' */ | |
2536 | return p; | |
2537 | } | |
2538 | } | |
2539 | if (p[1] == '=' || p[1] == p[0]) | |
2540 | *end = p + 2; | |
2541 | else | |
2542 | *end = p + 1; | |
2543 | return p; | |
2544 | case '~': | |
2545 | case ',': | |
c5aa993b | 2546 | *end = p + 1; |
53e8ad3d MS |
2547 | return p; |
2548 | case '(': | |
2549 | if (p[1] != ')') | |
2550 | error ("`operator ()' must be specified without whitespace in `()'"); | |
c5aa993b | 2551 | *end = p + 2; |
53e8ad3d MS |
2552 | return p; |
2553 | case '?': | |
2554 | if (p[1] != ':') | |
2555 | error ("`operator ?:' must be specified without whitespace in `?:'"); | |
2556 | *end = p + 2; | |
2557 | return p; | |
2558 | case '[': | |
2559 | if (p[1] != ']') | |
2560 | error ("`operator []' must be specified without whitespace in `[]'"); | |
2561 | *end = p + 2; | |
2562 | return p; | |
2563 | default: | |
2564 | error ("`operator %s' not supported", p); | |
2565 | break; | |
2566 | } | |
2567 | ||
c906108c SS |
2568 | *end = ""; |
2569 | return *end; | |
2570 | } | |
c906108c | 2571 | \f |
c5aa993b | 2572 | |
c94fdfd0 EZ |
2573 | /* If FILE is not already in the table of files, return zero; |
2574 | otherwise return non-zero. Optionally add FILE to the table if ADD | |
2575 | is non-zero. If *FIRST is non-zero, forget the old table | |
2576 | contents. */ | |
2577 | static int | |
2578 | filename_seen (const char *file, int add, int *first) | |
c906108c | 2579 | { |
c94fdfd0 EZ |
2580 | /* Table of files seen so far. */ |
2581 | static const char **tab = NULL; | |
c906108c SS |
2582 | /* Allocated size of tab in elements. |
2583 | Start with one 256-byte block (when using GNU malloc.c). | |
2584 | 24 is the malloc overhead when range checking is in effect. */ | |
2585 | static int tab_alloc_size = (256 - 24) / sizeof (char *); | |
2586 | /* Current size of tab in elements. */ | |
2587 | static int tab_cur_size; | |
c94fdfd0 | 2588 | const char **p; |
c906108c SS |
2589 | |
2590 | if (*first) | |
2591 | { | |
2592 | if (tab == NULL) | |
c94fdfd0 | 2593 | tab = (const char **) xmalloc (tab_alloc_size * sizeof (*tab)); |
c906108c SS |
2594 | tab_cur_size = 0; |
2595 | } | |
2596 | ||
c94fdfd0 | 2597 | /* Is FILE in tab? */ |
c906108c | 2598 | for (p = tab; p < tab + tab_cur_size; p++) |
c94fdfd0 EZ |
2599 | if (strcmp (*p, file) == 0) |
2600 | return 1; | |
2601 | ||
2602 | /* No; maybe add it to tab. */ | |
2603 | if (add) | |
c906108c | 2604 | { |
c94fdfd0 EZ |
2605 | if (tab_cur_size == tab_alloc_size) |
2606 | { | |
2607 | tab_alloc_size *= 2; | |
2608 | tab = (const char **) xrealloc ((char *) tab, | |
2609 | tab_alloc_size * sizeof (*tab)); | |
2610 | } | |
2611 | tab[tab_cur_size++] = file; | |
c906108c | 2612 | } |
c906108c | 2613 | |
c94fdfd0 EZ |
2614 | return 0; |
2615 | } | |
2616 | ||
2617 | /* Slave routine for sources_info. Force line breaks at ,'s. | |
2618 | NAME is the name to print and *FIRST is nonzero if this is the first | |
2619 | name printed. Set *FIRST to zero. */ | |
2620 | static void | |
2621 | output_source_filename (char *name, int *first) | |
2622 | { | |
2623 | /* Since a single source file can result in several partial symbol | |
2624 | tables, we need to avoid printing it more than once. Note: if | |
2625 | some of the psymtabs are read in and some are not, it gets | |
2626 | printed both under "Source files for which symbols have been | |
2627 | read" and "Source files for which symbols will be read in on | |
2628 | demand". I consider this a reasonable way to deal with the | |
2629 | situation. I'm not sure whether this can also happen for | |
2630 | symtabs; it doesn't hurt to check. */ | |
2631 | ||
2632 | /* Was NAME already seen? */ | |
2633 | if (filename_seen (name, 1, first)) | |
2634 | { | |
2635 | /* Yes; don't print it again. */ | |
2636 | return; | |
2637 | } | |
2638 | /* No; print it and reset *FIRST. */ | |
c906108c SS |
2639 | if (*first) |
2640 | { | |
2641 | *first = 0; | |
2642 | } | |
2643 | else | |
2644 | { | |
2645 | printf_filtered (", "); | |
2646 | } | |
2647 | ||
2648 | wrap_here (""); | |
2649 | fputs_filtered (name, gdb_stdout); | |
c5aa993b | 2650 | } |
c906108c SS |
2651 | |
2652 | static void | |
fba45db2 | 2653 | sources_info (char *ignore, int from_tty) |
c906108c SS |
2654 | { |
2655 | register struct symtab *s; | |
2656 | register struct partial_symtab *ps; | |
2657 | register struct objfile *objfile; | |
2658 | int first; | |
c5aa993b | 2659 | |
c906108c SS |
2660 | if (!have_full_symbols () && !have_partial_symbols ()) |
2661 | { | |
e85428fc | 2662 | error ("No symbol table is loaded. Use the \"file\" command."); |
c906108c | 2663 | } |
c5aa993b | 2664 | |
c906108c SS |
2665 | printf_filtered ("Source files for which symbols have been read in:\n\n"); |
2666 | ||
2667 | first = 1; | |
2668 | ALL_SYMTABS (objfile, s) | |
c5aa993b JM |
2669 | { |
2670 | output_source_filename (s->filename, &first); | |
2671 | } | |
c906108c | 2672 | printf_filtered ("\n\n"); |
c5aa993b | 2673 | |
c906108c SS |
2674 | printf_filtered ("Source files for which symbols will be read in on demand:\n\n"); |
2675 | ||
2676 | first = 1; | |
2677 | ALL_PSYMTABS (objfile, ps) | |
c5aa993b JM |
2678 | { |
2679 | if (!ps->readin) | |
2680 | { | |
2681 | output_source_filename (ps->filename, &first); | |
2682 | } | |
2683 | } | |
c906108c SS |
2684 | printf_filtered ("\n"); |
2685 | } | |
2686 | ||
2687 | static int | |
fd118b61 | 2688 | file_matches (char *file, char *files[], int nfiles) |
c906108c SS |
2689 | { |
2690 | int i; | |
2691 | ||
2692 | if (file != NULL && nfiles != 0) | |
2693 | { | |
2694 | for (i = 0; i < nfiles; i++) | |
c5aa993b | 2695 | { |
31889e00 | 2696 | if (strcmp (files[i], lbasename (file)) == 0) |
c5aa993b JM |
2697 | return 1; |
2698 | } | |
c906108c SS |
2699 | } |
2700 | else if (nfiles == 0) | |
2701 | return 1; | |
2702 | return 0; | |
2703 | } | |
2704 | ||
2705 | /* Free any memory associated with a search. */ | |
2706 | void | |
fba45db2 | 2707 | free_search_symbols (struct symbol_search *symbols) |
c906108c SS |
2708 | { |
2709 | struct symbol_search *p; | |
2710 | struct symbol_search *next; | |
2711 | ||
2712 | for (p = symbols; p != NULL; p = next) | |
2713 | { | |
2714 | next = p->next; | |
b8c9b27d | 2715 | xfree (p); |
c906108c SS |
2716 | } |
2717 | } | |
2718 | ||
5bd98722 AC |
2719 | static void |
2720 | do_free_search_symbols_cleanup (void *symbols) | |
2721 | { | |
2722 | free_search_symbols (symbols); | |
2723 | } | |
2724 | ||
2725 | struct cleanup * | |
2726 | make_cleanup_free_search_symbols (struct symbol_search *symbols) | |
2727 | { | |
2728 | return make_cleanup (do_free_search_symbols_cleanup, symbols); | |
2729 | } | |
2730 | ||
434d2d4f DJ |
2731 | /* Helper function for sort_search_symbols and qsort. Can only |
2732 | sort symbols, not minimal symbols. */ | |
2733 | static int | |
2734 | compare_search_syms (const void *sa, const void *sb) | |
2735 | { | |
2736 | struct symbol_search **sym_a = (struct symbol_search **) sa; | |
2737 | struct symbol_search **sym_b = (struct symbol_search **) sb; | |
2738 | ||
de5ad195 DC |
2739 | return strcmp (SYMBOL_PRINT_NAME ((*sym_a)->symbol), |
2740 | SYMBOL_PRINT_NAME ((*sym_b)->symbol)); | |
434d2d4f DJ |
2741 | } |
2742 | ||
2743 | /* Sort the ``nfound'' symbols in the list after prevtail. Leave | |
2744 | prevtail where it is, but update its next pointer to point to | |
2745 | the first of the sorted symbols. */ | |
2746 | static struct symbol_search * | |
2747 | sort_search_symbols (struct symbol_search *prevtail, int nfound) | |
2748 | { | |
2749 | struct symbol_search **symbols, *symp, *old_next; | |
2750 | int i; | |
2751 | ||
2752 | symbols = (struct symbol_search **) xmalloc (sizeof (struct symbol_search *) | |
2753 | * nfound); | |
2754 | symp = prevtail->next; | |
2755 | for (i = 0; i < nfound; i++) | |
2756 | { | |
2757 | symbols[i] = symp; | |
2758 | symp = symp->next; | |
2759 | } | |
2760 | /* Generally NULL. */ | |
2761 | old_next = symp; | |
2762 | ||
2763 | qsort (symbols, nfound, sizeof (struct symbol_search *), | |
2764 | compare_search_syms); | |
2765 | ||
2766 | symp = prevtail; | |
2767 | for (i = 0; i < nfound; i++) | |
2768 | { | |
2769 | symp->next = symbols[i]; | |
2770 | symp = symp->next; | |
2771 | } | |
2772 | symp->next = old_next; | |
2773 | ||
8ed32cc0 | 2774 | xfree (symbols); |
434d2d4f DJ |
2775 | return symp; |
2776 | } | |
5bd98722 | 2777 | |
c906108c SS |
2778 | /* Search the symbol table for matches to the regular expression REGEXP, |
2779 | returning the results in *MATCHES. | |
2780 | ||
2781 | Only symbols of KIND are searched: | |
176620f1 EZ |
2782 | FUNCTIONS_DOMAIN - search all functions |
2783 | TYPES_DOMAIN - search all type names | |
2784 | METHODS_DOMAIN - search all methods NOT IMPLEMENTED | |
2785 | VARIABLES_DOMAIN - search all symbols, excluding functions, type names, | |
c5aa993b | 2786 | and constants (enums) |
c906108c SS |
2787 | |
2788 | free_search_symbols should be called when *MATCHES is no longer needed. | |
434d2d4f DJ |
2789 | |
2790 | The results are sorted locally; each symtab's global and static blocks are | |
2791 | separately alphabetized. | |
c5aa993b | 2792 | */ |
c906108c | 2793 | void |
176620f1 | 2794 | search_symbols (char *regexp, domain_enum kind, int nfiles, char *files[], |
fd118b61 | 2795 | struct symbol_search **matches) |
c906108c SS |
2796 | { |
2797 | register struct symtab *s; | |
2798 | register struct partial_symtab *ps; | |
2799 | register struct blockvector *bv; | |
2800 | struct blockvector *prev_bv = 0; | |
2801 | register struct block *b; | |
2802 | register int i = 0; | |
2803 | register int j; | |
2804 | register struct symbol *sym; | |
2805 | struct partial_symbol **psym; | |
2806 | struct objfile *objfile; | |
2807 | struct minimal_symbol *msymbol; | |
2808 | char *val; | |
2809 | int found_misc = 0; | |
2810 | static enum minimal_symbol_type types[] | |
c5aa993b JM |
2811 | = |
2812 | {mst_data, mst_text, mst_abs, mst_unknown}; | |
c906108c | 2813 | static enum minimal_symbol_type types2[] |
c5aa993b JM |
2814 | = |
2815 | {mst_bss, mst_file_text, mst_abs, mst_unknown}; | |
c906108c | 2816 | static enum minimal_symbol_type types3[] |
c5aa993b JM |
2817 | = |
2818 | {mst_file_data, mst_solib_trampoline, mst_abs, mst_unknown}; | |
c906108c | 2819 | static enum minimal_symbol_type types4[] |
c5aa993b JM |
2820 | = |
2821 | {mst_file_bss, mst_text, mst_abs, mst_unknown}; | |
c906108c SS |
2822 | enum minimal_symbol_type ourtype; |
2823 | enum minimal_symbol_type ourtype2; | |
2824 | enum minimal_symbol_type ourtype3; | |
2825 | enum minimal_symbol_type ourtype4; | |
2826 | struct symbol_search *sr; | |
2827 | struct symbol_search *psr; | |
2828 | struct symbol_search *tail; | |
2829 | struct cleanup *old_chain = NULL; | |
2830 | ||
176620f1 EZ |
2831 | if (kind < VARIABLES_DOMAIN) |
2832 | error ("must search on specific domain"); | |
c906108c | 2833 | |
176620f1 EZ |
2834 | ourtype = types[(int) (kind - VARIABLES_DOMAIN)]; |
2835 | ourtype2 = types2[(int) (kind - VARIABLES_DOMAIN)]; | |
2836 | ourtype3 = types3[(int) (kind - VARIABLES_DOMAIN)]; | |
2837 | ourtype4 = types4[(int) (kind - VARIABLES_DOMAIN)]; | |
c906108c SS |
2838 | |
2839 | sr = *matches = NULL; | |
2840 | tail = NULL; | |
2841 | ||
2842 | if (regexp != NULL) | |
2843 | { | |
2844 | /* Make sure spacing is right for C++ operators. | |
2845 | This is just a courtesy to make the matching less sensitive | |
2846 | to how many spaces the user leaves between 'operator' | |
2847 | and <TYPENAME> or <OPERATOR>. */ | |
2848 | char *opend; | |
2849 | char *opname = operator_chars (regexp, &opend); | |
2850 | if (*opname) | |
c5aa993b JM |
2851 | { |
2852 | int fix = -1; /* -1 means ok; otherwise number of spaces needed. */ | |
2853 | if (isalpha (*opname) || *opname == '_' || *opname == '$') | |
2854 | { | |
2855 | /* There should 1 space between 'operator' and 'TYPENAME'. */ | |
2856 | if (opname[-1] != ' ' || opname[-2] == ' ') | |
2857 | fix = 1; | |
2858 | } | |
2859 | else | |
2860 | { | |
2861 | /* There should 0 spaces between 'operator' and 'OPERATOR'. */ | |
2862 | if (opname[-1] == ' ') | |
2863 | fix = 0; | |
2864 | } | |
2865 | /* If wrong number of spaces, fix it. */ | |
2866 | if (fix >= 0) | |
2867 | { | |
045f55a6 | 2868 | char *tmp = (char *) alloca (8 + fix + strlen (opname) + 1); |
c5aa993b JM |
2869 | sprintf (tmp, "operator%.*s%s", fix, " ", opname); |
2870 | regexp = tmp; | |
2871 | } | |
2872 | } | |
2873 | ||
c906108c | 2874 | if (0 != (val = re_comp (regexp))) |
c5aa993b | 2875 | error ("Invalid regexp (%s): %s", val, regexp); |
c906108c SS |
2876 | } |
2877 | ||
2878 | /* Search through the partial symtabs *first* for all symbols | |
2879 | matching the regexp. That way we don't have to reproduce all of | |
2880 | the machinery below. */ | |
2881 | ||
2882 | ALL_PSYMTABS (objfile, ps) | |
c5aa993b JM |
2883 | { |
2884 | struct partial_symbol **bound, **gbound, **sbound; | |
2885 | int keep_going = 1; | |
2886 | ||
2887 | if (ps->readin) | |
2888 | continue; | |
2889 | ||
2890 | gbound = objfile->global_psymbols.list + ps->globals_offset + ps->n_global_syms; | |
2891 | sbound = objfile->static_psymbols.list + ps->statics_offset + ps->n_static_syms; | |
2892 | bound = gbound; | |
2893 | ||
2894 | /* Go through all of the symbols stored in a partial | |
2895 | symtab in one loop. */ | |
2896 | psym = objfile->global_psymbols.list + ps->globals_offset; | |
2897 | while (keep_going) | |
2898 | { | |
2899 | if (psym >= bound) | |
2900 | { | |
2901 | if (bound == gbound && ps->n_static_syms != 0) | |
2902 | { | |
2903 | psym = objfile->static_psymbols.list + ps->statics_offset; | |
2904 | bound = sbound; | |
2905 | } | |
2906 | else | |
2907 | keep_going = 0; | |
2908 | continue; | |
2909 | } | |
2910 | else | |
2911 | { | |
2912 | QUIT; | |
2913 | ||
2914 | /* If it would match (logic taken from loop below) | |
2915 | load the file and go on to the next one */ | |
2916 | if (file_matches (ps->filename, files, nfiles) | |
25120b0d DC |
2917 | && ((regexp == NULL |
2918 | || re_exec (SYMBOL_NATURAL_NAME (*psym)) != 0) | |
176620f1 | 2919 | && ((kind == VARIABLES_DOMAIN && SYMBOL_CLASS (*psym) != LOC_TYPEDEF |
c5aa993b | 2920 | && SYMBOL_CLASS (*psym) != LOC_BLOCK) |
176620f1 EZ |
2921 | || (kind == FUNCTIONS_DOMAIN && SYMBOL_CLASS (*psym) == LOC_BLOCK) |
2922 | || (kind == TYPES_DOMAIN && SYMBOL_CLASS (*psym) == LOC_TYPEDEF) | |
2923 | || (kind == METHODS_DOMAIN && SYMBOL_CLASS (*psym) == LOC_BLOCK)))) | |
c5aa993b JM |
2924 | { |
2925 | PSYMTAB_TO_SYMTAB (ps); | |
2926 | keep_going = 0; | |
2927 | } | |
2928 | } | |
2929 | psym++; | |
2930 | } | |
2931 | } | |
c906108c SS |
2932 | |
2933 | /* Here, we search through the minimal symbol tables for functions | |
2934 | and variables that match, and force their symbols to be read. | |
2935 | This is in particular necessary for demangled variable names, | |
2936 | which are no longer put into the partial symbol tables. | |
2937 | The symbol will then be found during the scan of symtabs below. | |
2938 | ||
2939 | For functions, find_pc_symtab should succeed if we have debug info | |
2940 | for the function, for variables we have to call lookup_symbol | |
2941 | to determine if the variable has debug info. | |
2942 | If the lookup fails, set found_misc so that we will rescan to print | |
2943 | any matching symbols without debug info. | |
c5aa993b | 2944 | */ |
c906108c | 2945 | |
176620f1 | 2946 | if (nfiles == 0 && (kind == VARIABLES_DOMAIN || kind == FUNCTIONS_DOMAIN)) |
c906108c SS |
2947 | { |
2948 | ALL_MSYMBOLS (objfile, msymbol) | |
c5aa993b JM |
2949 | { |
2950 | if (MSYMBOL_TYPE (msymbol) == ourtype || | |
2951 | MSYMBOL_TYPE (msymbol) == ourtype2 || | |
2952 | MSYMBOL_TYPE (msymbol) == ourtype3 || | |
2953 | MSYMBOL_TYPE (msymbol) == ourtype4) | |
2954 | { | |
25120b0d DC |
2955 | if (regexp == NULL |
2956 | || re_exec (SYMBOL_NATURAL_NAME (msymbol)) != 0) | |
c5aa993b JM |
2957 | { |
2958 | if (0 == find_pc_symtab (SYMBOL_VALUE_ADDRESS (msymbol))) | |
2959 | { | |
b1262a02 DC |
2960 | /* FIXME: carlton/2003-02-04: Given that the |
2961 | semantics of lookup_symbol keeps on changing | |
2962 | slightly, it would be a nice idea if we had a | |
2963 | function lookup_symbol_minsym that found the | |
2964 | symbol associated to a given minimal symbol (if | |
2965 | any). */ | |
176620f1 | 2966 | if (kind == FUNCTIONS_DOMAIN |
22abf04a | 2967 | || lookup_symbol (DEPRECATED_SYMBOL_NAME (msymbol), |
b1262a02 | 2968 | (struct block *) NULL, |
176620f1 | 2969 | VAR_DOMAIN, |
b1262a02 DC |
2970 | 0, (struct symtab **) NULL) == NULL) |
2971 | found_misc = 1; | |
c5aa993b JM |
2972 | } |
2973 | } | |
2974 | } | |
2975 | } | |
c906108c SS |
2976 | } |
2977 | ||
2978 | ALL_SYMTABS (objfile, s) | |
c5aa993b JM |
2979 | { |
2980 | bv = BLOCKVECTOR (s); | |
2981 | /* Often many files share a blockvector. | |
2982 | Scan each blockvector only once so that | |
2983 | we don't get every symbol many times. | |
2984 | It happens that the first symtab in the list | |
2985 | for any given blockvector is the main file. */ | |
2986 | if (bv != prev_bv) | |
2987 | for (i = GLOBAL_BLOCK; i <= STATIC_BLOCK; i++) | |
2988 | { | |
434d2d4f DJ |
2989 | struct symbol_search *prevtail = tail; |
2990 | int nfound = 0; | |
c5aa993b | 2991 | b = BLOCKVECTOR_BLOCK (bv, i); |
261397f8 | 2992 | ALL_BLOCK_SYMBOLS (b, j, sym) |
c5aa993b JM |
2993 | { |
2994 | QUIT; | |
c5aa993b | 2995 | if (file_matches (s->filename, files, nfiles) |
25120b0d DC |
2996 | && ((regexp == NULL |
2997 | || re_exec (SYMBOL_NATURAL_NAME (sym)) != 0) | |
176620f1 | 2998 | && ((kind == VARIABLES_DOMAIN && SYMBOL_CLASS (sym) != LOC_TYPEDEF |
c5aa993b JM |
2999 | && SYMBOL_CLASS (sym) != LOC_BLOCK |
3000 | && SYMBOL_CLASS (sym) != LOC_CONST) | |
176620f1 EZ |
3001 | || (kind == FUNCTIONS_DOMAIN && SYMBOL_CLASS (sym) == LOC_BLOCK) |
3002 | || (kind == TYPES_DOMAIN && SYMBOL_CLASS (sym) == LOC_TYPEDEF) | |
3003 | || (kind == METHODS_DOMAIN && SYMBOL_CLASS (sym) == LOC_BLOCK)))) | |
c5aa993b JM |
3004 | { |
3005 | /* match */ | |
3006 | psr = (struct symbol_search *) xmalloc (sizeof (struct symbol_search)); | |
3007 | psr->block = i; | |
3008 | psr->symtab = s; | |
3009 | psr->symbol = sym; | |
3010 | psr->msymbol = NULL; | |
3011 | psr->next = NULL; | |
3012 | if (tail == NULL) | |
434d2d4f | 3013 | sr = psr; |
c5aa993b JM |
3014 | else |
3015 | tail->next = psr; | |
3016 | tail = psr; | |
434d2d4f DJ |
3017 | nfound ++; |
3018 | } | |
3019 | } | |
3020 | if (nfound > 0) | |
3021 | { | |
3022 | if (prevtail == NULL) | |
3023 | { | |
3024 | struct symbol_search dummy; | |
3025 | ||
3026 | dummy.next = sr; | |
3027 | tail = sort_search_symbols (&dummy, nfound); | |
3028 | sr = dummy.next; | |
3029 | ||
3030 | old_chain = make_cleanup_free_search_symbols (sr); | |
c5aa993b | 3031 | } |
434d2d4f DJ |
3032 | else |
3033 | tail = sort_search_symbols (prevtail, nfound); | |
c5aa993b JM |
3034 | } |
3035 | } | |
3036 | prev_bv = bv; | |
3037 | } | |
c906108c SS |
3038 | |
3039 | /* If there are no eyes, avoid all contact. I mean, if there are | |
3040 | no debug symbols, then print directly from the msymbol_vector. */ | |
3041 | ||
176620f1 | 3042 | if (found_misc || kind != FUNCTIONS_DOMAIN) |
c906108c SS |
3043 | { |
3044 | ALL_MSYMBOLS (objfile, msymbol) | |
c5aa993b JM |
3045 | { |
3046 | if (MSYMBOL_TYPE (msymbol) == ourtype || | |
3047 | MSYMBOL_TYPE (msymbol) == ourtype2 || | |
3048 | MSYMBOL_TYPE (msymbol) == ourtype3 || | |
3049 | MSYMBOL_TYPE (msymbol) == ourtype4) | |
3050 | { | |
25120b0d DC |
3051 | if (regexp == NULL |
3052 | || re_exec (SYMBOL_NATURAL_NAME (msymbol)) != 0) | |
c5aa993b JM |
3053 | { |
3054 | /* Functions: Look up by address. */ | |
176620f1 | 3055 | if (kind != FUNCTIONS_DOMAIN || |
c5aa993b JM |
3056 | (0 == find_pc_symtab (SYMBOL_VALUE_ADDRESS (msymbol)))) |
3057 | { | |
3058 | /* Variables/Absolutes: Look up by name */ | |
22abf04a | 3059 | if (lookup_symbol (DEPRECATED_SYMBOL_NAME (msymbol), |
176620f1 | 3060 | (struct block *) NULL, VAR_DOMAIN, |
c5aa993b JM |
3061 | 0, (struct symtab **) NULL) == NULL) |
3062 | { | |
3063 | /* match */ | |
3064 | psr = (struct symbol_search *) xmalloc (sizeof (struct symbol_search)); | |
3065 | psr->block = i; | |
3066 | psr->msymbol = msymbol; | |
3067 | psr->symtab = NULL; | |
3068 | psr->symbol = NULL; | |
3069 | psr->next = NULL; | |
3070 | if (tail == NULL) | |
3071 | { | |
3072 | sr = psr; | |
5bd98722 | 3073 | old_chain = make_cleanup_free_search_symbols (sr); |
c5aa993b JM |
3074 | } |
3075 | else | |
3076 | tail->next = psr; | |
3077 | tail = psr; | |
3078 | } | |
3079 | } | |
3080 | } | |
3081 | } | |
3082 | } | |
c906108c SS |
3083 | } |
3084 | ||
3085 | *matches = sr; | |
3086 | if (sr != NULL) | |
3087 | discard_cleanups (old_chain); | |
3088 | } | |
3089 | ||
3090 | /* Helper function for symtab_symbol_info, this function uses | |
3091 | the data returned from search_symbols() to print information | |
3092 | regarding the match to gdb_stdout. | |
c5aa993b | 3093 | */ |
c906108c | 3094 | static void |
176620f1 | 3095 | print_symbol_info (domain_enum kind, struct symtab *s, struct symbol *sym, |
fba45db2 | 3096 | int block, char *last) |
c906108c SS |
3097 | { |
3098 | if (last == NULL || strcmp (last, s->filename) != 0) | |
3099 | { | |
3100 | fputs_filtered ("\nFile ", gdb_stdout); | |
3101 | fputs_filtered (s->filename, gdb_stdout); | |
3102 | fputs_filtered (":\n", gdb_stdout); | |
3103 | } | |
3104 | ||
176620f1 | 3105 | if (kind != TYPES_DOMAIN && block == STATIC_BLOCK) |
c906108c | 3106 | printf_filtered ("static "); |
c5aa993b | 3107 | |
c906108c | 3108 | /* Typedef that is not a C++ class */ |
176620f1 EZ |
3109 | if (kind == TYPES_DOMAIN |
3110 | && SYMBOL_DOMAIN (sym) != STRUCT_DOMAIN) | |
a5238fbc | 3111 | typedef_print (SYMBOL_TYPE (sym), sym, gdb_stdout); |
c906108c | 3112 | /* variable, func, or typedef-that-is-c++-class */ |
176620f1 EZ |
3113 | else if (kind < TYPES_DOMAIN || |
3114 | (kind == TYPES_DOMAIN && | |
3115 | SYMBOL_DOMAIN (sym) == STRUCT_DOMAIN)) | |
c906108c SS |
3116 | { |
3117 | type_print (SYMBOL_TYPE (sym), | |
c5aa993b | 3118 | (SYMBOL_CLASS (sym) == LOC_TYPEDEF |
de5ad195 | 3119 | ? "" : SYMBOL_PRINT_NAME (sym)), |
c5aa993b | 3120 | gdb_stdout, 0); |
c906108c SS |
3121 | |
3122 | printf_filtered (";\n"); | |
3123 | } | |
c906108c SS |
3124 | } |
3125 | ||
3126 | /* This help function for symtab_symbol_info() prints information | |
3127 | for non-debugging symbols to gdb_stdout. | |
c5aa993b | 3128 | */ |
c906108c | 3129 | static void |
fba45db2 | 3130 | print_msymbol_info (struct minimal_symbol *msymbol) |
c906108c | 3131 | { |
3ac4495a MS |
3132 | char *tmp; |
3133 | ||
3134 | if (TARGET_ADDR_BIT <= 32) | |
14a5e767 AC |
3135 | tmp = local_hex_string_custom (SYMBOL_VALUE_ADDRESS (msymbol) |
3136 | & (CORE_ADDR) 0xffffffff, | |
3137 | "08l"); | |
3ac4495a | 3138 | else |
14a5e767 AC |
3139 | tmp = local_hex_string_custom (SYMBOL_VALUE_ADDRESS (msymbol), |
3140 | "016l"); | |
3ac4495a | 3141 | printf_filtered ("%s %s\n", |
de5ad195 | 3142 | tmp, SYMBOL_PRINT_NAME (msymbol)); |
c906108c SS |
3143 | } |
3144 | ||
3145 | /* This is the guts of the commands "info functions", "info types", and | |
3146 | "info variables". It calls search_symbols to find all matches and then | |
3147 | print_[m]symbol_info to print out some useful information about the | |
3148 | matches. | |
c5aa993b | 3149 | */ |
c906108c | 3150 | static void |
176620f1 | 3151 | symtab_symbol_info (char *regexp, domain_enum kind, int from_tty) |
c906108c SS |
3152 | { |
3153 | static char *classnames[] | |
c5aa993b JM |
3154 | = |
3155 | {"variable", "function", "type", "method"}; | |
c906108c SS |
3156 | struct symbol_search *symbols; |
3157 | struct symbol_search *p; | |
3158 | struct cleanup *old_chain; | |
3159 | char *last_filename = NULL; | |
3160 | int first = 1; | |
3161 | ||
3162 | /* must make sure that if we're interrupted, symbols gets freed */ | |
3163 | search_symbols (regexp, kind, 0, (char **) NULL, &symbols); | |
5bd98722 | 3164 | old_chain = make_cleanup_free_search_symbols (symbols); |
c906108c SS |
3165 | |
3166 | printf_filtered (regexp | |
c5aa993b JM |
3167 | ? "All %ss matching regular expression \"%s\":\n" |
3168 | : "All defined %ss:\n", | |
176620f1 | 3169 | classnames[(int) (kind - VARIABLES_DOMAIN)], regexp); |
c906108c SS |
3170 | |
3171 | for (p = symbols; p != NULL; p = p->next) | |
3172 | { | |
3173 | QUIT; | |
3174 | ||
3175 | if (p->msymbol != NULL) | |
c5aa993b JM |
3176 | { |
3177 | if (first) | |
3178 | { | |
3179 | printf_filtered ("\nNon-debugging symbols:\n"); | |
3180 | first = 0; | |
3181 | } | |
3182 | print_msymbol_info (p->msymbol); | |
3183 | } | |
c906108c | 3184 | else |
c5aa993b JM |
3185 | { |
3186 | print_symbol_info (kind, | |
3187 | p->symtab, | |
3188 | p->symbol, | |
3189 | p->block, | |
3190 | last_filename); | |
3191 | last_filename = p->symtab->filename; | |
3192 | } | |
c906108c SS |
3193 | } |
3194 | ||
3195 | do_cleanups (old_chain); | |
3196 | } | |
3197 | ||
3198 | static void | |
fba45db2 | 3199 | variables_info (char *regexp, int from_tty) |
c906108c | 3200 | { |
176620f1 | 3201 | symtab_symbol_info (regexp, VARIABLES_DOMAIN, from_tty); |
c906108c SS |
3202 | } |
3203 | ||
3204 | static void | |
fba45db2 | 3205 | functions_info (char *regexp, int from_tty) |
c906108c | 3206 | { |
176620f1 | 3207 | symtab_symbol_info (regexp, FUNCTIONS_DOMAIN, from_tty); |
c906108c SS |
3208 | } |
3209 | ||
357e46e7 | 3210 | |
c906108c | 3211 | static void |
fba45db2 | 3212 | types_info (char *regexp, int from_tty) |
c906108c | 3213 | { |
176620f1 | 3214 | symtab_symbol_info (regexp, TYPES_DOMAIN, from_tty); |
c906108c SS |
3215 | } |
3216 | ||
c906108c | 3217 | /* Breakpoint all functions matching regular expression. */ |
8926118c | 3218 | |
8b93c638 | 3219 | void |
fba45db2 | 3220 | rbreak_command_wrapper (char *regexp, int from_tty) |
8b93c638 JM |
3221 | { |
3222 | rbreak_command (regexp, from_tty); | |
3223 | } | |
8926118c | 3224 | |
c906108c | 3225 | static void |
fba45db2 | 3226 | rbreak_command (char *regexp, int from_tty) |
c906108c SS |
3227 | { |
3228 | struct symbol_search *ss; | |
3229 | struct symbol_search *p; | |
3230 | struct cleanup *old_chain; | |
3231 | ||
176620f1 | 3232 | search_symbols (regexp, FUNCTIONS_DOMAIN, 0, (char **) NULL, &ss); |
5bd98722 | 3233 | old_chain = make_cleanup_free_search_symbols (ss); |
c906108c SS |
3234 | |
3235 | for (p = ss; p != NULL; p = p->next) | |
3236 | { | |
3237 | if (p->msymbol == NULL) | |
c5aa993b JM |
3238 | { |
3239 | char *string = (char *) alloca (strlen (p->symtab->filename) | |
22abf04a | 3240 | + strlen (DEPRECATED_SYMBOL_NAME (p->symbol)) |
c5aa993b JM |
3241 | + 4); |
3242 | strcpy (string, p->symtab->filename); | |
3243 | strcat (string, ":'"); | |
22abf04a | 3244 | strcat (string, DEPRECATED_SYMBOL_NAME (p->symbol)); |
c5aa993b JM |
3245 | strcat (string, "'"); |
3246 | break_command (string, from_tty); | |
176620f1 | 3247 | print_symbol_info (FUNCTIONS_DOMAIN, |
c5aa993b JM |
3248 | p->symtab, |
3249 | p->symbol, | |
3250 | p->block, | |
3251 | p->symtab->filename); | |
3252 | } | |
c906108c | 3253 | else |
c5aa993b | 3254 | { |
22abf04a | 3255 | break_command (DEPRECATED_SYMBOL_NAME (p->msymbol), from_tty); |
c5aa993b | 3256 | printf_filtered ("<function, no debug info> %s;\n", |
de5ad195 | 3257 | SYMBOL_PRINT_NAME (p->msymbol)); |
c5aa993b | 3258 | } |
c906108c SS |
3259 | } |
3260 | ||
3261 | do_cleanups (old_chain); | |
3262 | } | |
c906108c | 3263 | \f |
c5aa993b | 3264 | |
c906108c SS |
3265 | /* Helper routine for make_symbol_completion_list. */ |
3266 | ||
3267 | static int return_val_size; | |
3268 | static int return_val_index; | |
3269 | static char **return_val; | |
3270 | ||
3271 | #define COMPLETION_LIST_ADD_SYMBOL(symbol, sym_text, len, text, word) \ | |
3272 | do { \ | |
3273 | if (SYMBOL_DEMANGLED_NAME (symbol) != NULL) \ | |
3274 | /* Put only the mangled name on the list. */ \ | |
3275 | /* Advantage: "b foo<TAB>" completes to "b foo(int, int)" */ \ | |
3276 | /* Disadvantage: "b foo__i<TAB>" doesn't complete. */ \ | |
3277 | completion_list_add_name \ | |
3278 | (SYMBOL_DEMANGLED_NAME (symbol), (sym_text), (len), (text), (word)); \ | |
3279 | else \ | |
3280 | completion_list_add_name \ | |
22abf04a | 3281 | (DEPRECATED_SYMBOL_NAME (symbol), (sym_text), (len), (text), (word)); \ |
c906108c SS |
3282 | } while (0) |
3283 | ||
3284 | /* Test to see if the symbol specified by SYMNAME (which is already | |
c5aa993b JM |
3285 | demangled for C++ symbols) matches SYM_TEXT in the first SYM_TEXT_LEN |
3286 | characters. If so, add it to the current completion list. */ | |
c906108c SS |
3287 | |
3288 | static void | |
fba45db2 KB |
3289 | completion_list_add_name (char *symname, char *sym_text, int sym_text_len, |
3290 | char *text, char *word) | |
c906108c SS |
3291 | { |
3292 | int newsize; | |
3293 | int i; | |
3294 | ||
3295 | /* clip symbols that cannot match */ | |
3296 | ||
3297 | if (strncmp (symname, sym_text, sym_text_len) != 0) | |
3298 | { | |
3299 | return; | |
3300 | } | |
3301 | ||
c906108c SS |
3302 | /* We have a match for a completion, so add SYMNAME to the current list |
3303 | of matches. Note that the name is moved to freshly malloc'd space. */ | |
3304 | ||
3305 | { | |
3306 | char *new; | |
3307 | if (word == sym_text) | |
3308 | { | |
3309 | new = xmalloc (strlen (symname) + 5); | |
3310 | strcpy (new, symname); | |
3311 | } | |
3312 | else if (word > sym_text) | |
3313 | { | |
3314 | /* Return some portion of symname. */ | |
3315 | new = xmalloc (strlen (symname) + 5); | |
3316 | strcpy (new, symname + (word - sym_text)); | |
3317 | } | |
3318 | else | |
3319 | { | |
3320 | /* Return some of SYM_TEXT plus symname. */ | |
3321 | new = xmalloc (strlen (symname) + (sym_text - word) + 5); | |
3322 | strncpy (new, word, sym_text - word); | |
3323 | new[sym_text - word] = '\0'; | |
3324 | strcat (new, symname); | |
3325 | } | |
3326 | ||
c906108c SS |
3327 | if (return_val_index + 3 > return_val_size) |
3328 | { | |
3329 | newsize = (return_val_size *= 2) * sizeof (char *); | |
3330 | return_val = (char **) xrealloc ((char *) return_val, newsize); | |
3331 | } | |
3332 | return_val[return_val_index++] = new; | |
3333 | return_val[return_val_index] = NULL; | |
3334 | } | |
3335 | } | |
3336 | ||
69636828 AF |
3337 | /* ObjC: In case we are completing on a selector, look as the msymbol |
3338 | again and feed all the selectors into the mill. */ | |
3339 | ||
3340 | static void | |
3341 | completion_list_objc_symbol (struct minimal_symbol *msymbol, char *sym_text, | |
3342 | int sym_text_len, char *text, char *word) | |
3343 | { | |
3344 | static char *tmp = NULL; | |
3345 | static unsigned int tmplen = 0; | |
3346 | ||
3347 | char *method, *category, *selector; | |
3348 | char *tmp2 = NULL; | |
3349 | ||
3350 | method = SYMBOL_NATURAL_NAME (msymbol); | |
3351 | ||
3352 | /* Is it a method? */ | |
3353 | if ((method[0] != '-') && (method[0] != '+')) | |
3354 | return; | |
3355 | ||
3356 | if (sym_text[0] == '[') | |
3357 | /* Complete on shortened method method. */ | |
3358 | completion_list_add_name (method + 1, sym_text, sym_text_len, text, word); | |
3359 | ||
3360 | while ((strlen (method) + 1) >= tmplen) | |
3361 | { | |
3362 | if (tmplen == 0) | |
3363 | tmplen = 1024; | |
3364 | else | |
3365 | tmplen *= 2; | |
3366 | tmp = xrealloc (tmp, tmplen); | |
3367 | } | |
3368 | selector = strchr (method, ' '); | |
3369 | if (selector != NULL) | |
3370 | selector++; | |
3371 | ||
3372 | category = strchr (method, '('); | |
3373 | ||
3374 | if ((category != NULL) && (selector != NULL)) | |
3375 | { | |
3376 | memcpy (tmp, method, (category - method)); | |
3377 | tmp[category - method] = ' '; | |
3378 | memcpy (tmp + (category - method) + 1, selector, strlen (selector) + 1); | |
3379 | completion_list_add_name (tmp, sym_text, sym_text_len, text, word); | |
3380 | if (sym_text[0] == '[') | |
3381 | completion_list_add_name (tmp + 1, sym_text, sym_text_len, text, word); | |
3382 | } | |
3383 | ||
3384 | if (selector != NULL) | |
3385 | { | |
3386 | /* Complete on selector only. */ | |
3387 | strcpy (tmp, selector); | |
3388 | tmp2 = strchr (tmp, ']'); | |
3389 | if (tmp2 != NULL) | |
3390 | *tmp2 = '\0'; | |
3391 | ||
3392 | completion_list_add_name (tmp, sym_text, sym_text_len, text, word); | |
3393 | } | |
3394 | } | |
3395 | ||
3396 | /* Break the non-quoted text based on the characters which are in | |
3397 | symbols. FIXME: This should probably be language-specific. */ | |
3398 | ||
3399 | static char * | |
3400 | language_search_unquoted_string (char *text, char *p) | |
3401 | { | |
3402 | for (; p > text; --p) | |
3403 | { | |
3404 | if (isalnum (p[-1]) || p[-1] == '_' || p[-1] == '\0') | |
3405 | continue; | |
3406 | else | |
3407 | { | |
3408 | if ((current_language->la_language == language_objc)) | |
3409 | { | |
3410 | if (p[-1] == ':') /* might be part of a method name */ | |
3411 | continue; | |
3412 | else if (p[-1] == '[' && (p[-2] == '-' || p[-2] == '+')) | |
3413 | p -= 2; /* beginning of a method name */ | |
3414 | else if (p[-1] == ' ' || p[-1] == '(' || p[-1] == ')') | |
3415 | { /* might be part of a method name */ | |
3416 | char *t = p; | |
3417 | ||
3418 | /* Seeing a ' ' or a '(' is not conclusive evidence | |
3419 | that we are in the middle of a method name. However, | |
3420 | finding "-[" or "+[" should be pretty un-ambiguous. | |
3421 | Unfortunately we have to find it now to decide. */ | |
3422 | ||
3423 | while (t > text) | |
3424 | if (isalnum (t[-1]) || t[-1] == '_' || | |
3425 | t[-1] == ' ' || t[-1] == ':' || | |
3426 | t[-1] == '(' || t[-1] == ')') | |
3427 | --t; | |
3428 | else | |
3429 | break; | |
3430 | ||
3431 | if (t[-1] == '[' && (t[-2] == '-' || t[-2] == '+')) | |
3432 | p = t - 2; /* method name detected */ | |
3433 | /* else we leave with p unchanged */ | |
3434 | } | |
3435 | } | |
3436 | break; | |
3437 | } | |
3438 | } | |
3439 | return p; | |
3440 | } | |
3441 | ||
3442 | ||
c94fdfd0 EZ |
3443 | /* Return a NULL terminated array of all symbols (regardless of class) |
3444 | which begin by matching TEXT. If the answer is no symbols, then | |
3445 | the return value is an array which contains only a NULL pointer. | |
c906108c SS |
3446 | |
3447 | Problem: All of the symbols have to be copied because readline frees them. | |
3448 | I'm not going to worry about this; hopefully there won't be that many. */ | |
3449 | ||
3450 | char ** | |
fba45db2 | 3451 | make_symbol_completion_list (char *text, char *word) |
c906108c SS |
3452 | { |
3453 | register struct symbol *sym; | |
3454 | register struct symtab *s; | |
3455 | register struct partial_symtab *ps; | |
3456 | register struct minimal_symbol *msymbol; | |
3457 | register struct objfile *objfile; | |
3458 | register struct block *b, *surrounding_static_block = 0; | |
3459 | register int i, j; | |
3460 | struct partial_symbol **psym; | |
3461 | /* The symbol we are completing on. Points in same buffer as text. */ | |
3462 | char *sym_text; | |
3463 | /* Length of sym_text. */ | |
3464 | int sym_text_len; | |
3465 | ||
3466 | /* Now look for the symbol we are supposed to complete on. | |
3467 | FIXME: This should be language-specific. */ | |
3468 | { | |
3469 | char *p; | |
3470 | char quote_found; | |
3471 | char *quote_pos = NULL; | |
3472 | ||
3473 | /* First see if this is a quoted string. */ | |
3474 | quote_found = '\0'; | |
3475 | for (p = text; *p != '\0'; ++p) | |
3476 | { | |
3477 | if (quote_found != '\0') | |
3478 | { | |
3479 | if (*p == quote_found) | |
3480 | /* Found close quote. */ | |
3481 | quote_found = '\0'; | |
3482 | else if (*p == '\\' && p[1] == quote_found) | |
3483 | /* A backslash followed by the quote character | |
c5aa993b | 3484 | doesn't end the string. */ |
c906108c SS |
3485 | ++p; |
3486 | } | |
3487 | else if (*p == '\'' || *p == '"') | |
3488 | { | |
3489 | quote_found = *p; | |
3490 | quote_pos = p; | |
3491 | } | |
3492 | } | |
3493 | if (quote_found == '\'') | |
3494 | /* A string within single quotes can be a symbol, so complete on it. */ | |
3495 | sym_text = quote_pos + 1; | |
3496 | else if (quote_found == '"') | |
3497 | /* A double-quoted string is never a symbol, nor does it make sense | |
c5aa993b | 3498 | to complete it any other way. */ |
c94fdfd0 EZ |
3499 | { |
3500 | return_val = (char **) xmalloc (sizeof (char *)); | |
3501 | return_val[0] = NULL; | |
3502 | return return_val; | |
3503 | } | |
c906108c SS |
3504 | else |
3505 | { | |
3506 | /* It is not a quoted string. Break it based on the characters | |
3507 | which are in symbols. */ | |
3508 | while (p > text) | |
3509 | { | |
3510 | if (isalnum (p[-1]) || p[-1] == '_' || p[-1] == '\0') | |
3511 | --p; | |
3512 | else | |
3513 | break; | |
3514 | } | |
3515 | sym_text = p; | |
3516 | } | |
3517 | } | |
3518 | ||
3519 | sym_text_len = strlen (sym_text); | |
3520 | ||
3521 | return_val_size = 100; | |
3522 | return_val_index = 0; | |
3523 | return_val = (char **) xmalloc ((return_val_size + 1) * sizeof (char *)); | |
3524 | return_val[0] = NULL; | |
3525 | ||
3526 | /* Look through the partial symtabs for all symbols which begin | |
3527 | by matching SYM_TEXT. Add each one that you find to the list. */ | |
3528 | ||
3529 | ALL_PSYMTABS (objfile, ps) | |
c5aa993b JM |
3530 | { |
3531 | /* If the psymtab's been read in we'll get it when we search | |
3532 | through the blockvector. */ | |
3533 | if (ps->readin) | |
3534 | continue; | |
3535 | ||
3536 | for (psym = objfile->global_psymbols.list + ps->globals_offset; | |
3537 | psym < (objfile->global_psymbols.list + ps->globals_offset | |
3538 | + ps->n_global_syms); | |
3539 | psym++) | |
3540 | { | |
3541 | /* If interrupted, then quit. */ | |
3542 | QUIT; | |
3543 | COMPLETION_LIST_ADD_SYMBOL (*psym, sym_text, sym_text_len, text, word); | |
3544 | } | |
3545 | ||
3546 | for (psym = objfile->static_psymbols.list + ps->statics_offset; | |
3547 | psym < (objfile->static_psymbols.list + ps->statics_offset | |
3548 | + ps->n_static_syms); | |
3549 | psym++) | |
3550 | { | |
3551 | QUIT; | |
3552 | COMPLETION_LIST_ADD_SYMBOL (*psym, sym_text, sym_text_len, text, word); | |
3553 | } | |
3554 | } | |
c906108c SS |
3555 | |
3556 | /* At this point scan through the misc symbol vectors and add each | |
3557 | symbol you find to the list. Eventually we want to ignore | |
3558 | anything that isn't a text symbol (everything else will be | |
3559 | handled by the psymtab code above). */ | |
3560 | ||
3561 | ALL_MSYMBOLS (objfile, msymbol) | |
c5aa993b JM |
3562 | { |
3563 | QUIT; | |
3564 | COMPLETION_LIST_ADD_SYMBOL (msymbol, sym_text, sym_text_len, text, word); | |
69636828 AF |
3565 | |
3566 | completion_list_objc_symbol (msymbol, sym_text, sym_text_len, text, word); | |
c5aa993b | 3567 | } |
c906108c SS |
3568 | |
3569 | /* Search upwards from currently selected frame (so that we can | |
3570 | complete on local vars. */ | |
3571 | ||
ae767bfb | 3572 | for (b = get_selected_block (0); b != NULL; b = BLOCK_SUPERBLOCK (b)) |
c906108c SS |
3573 | { |
3574 | if (!BLOCK_SUPERBLOCK (b)) | |
3575 | { | |
c5aa993b | 3576 | surrounding_static_block = b; /* For elmin of dups */ |
c906108c | 3577 | } |
c5aa993b | 3578 | |
c906108c | 3579 | /* Also catch fields of types defined in this places which match our |
c5aa993b | 3580 | text string. Only complete on types visible from current context. */ |
c906108c | 3581 | |
e88c90f2 | 3582 | ALL_BLOCK_SYMBOLS (b, i, sym) |
c906108c | 3583 | { |
69636828 | 3584 | QUIT; |
c906108c SS |
3585 | COMPLETION_LIST_ADD_SYMBOL (sym, sym_text, sym_text_len, text, word); |
3586 | if (SYMBOL_CLASS (sym) == LOC_TYPEDEF) | |
3587 | { | |
3588 | struct type *t = SYMBOL_TYPE (sym); | |
3589 | enum type_code c = TYPE_CODE (t); | |
3590 | ||
3591 | if (c == TYPE_CODE_UNION || c == TYPE_CODE_STRUCT) | |
3592 | { | |
3593 | for (j = TYPE_N_BASECLASSES (t); j < TYPE_NFIELDS (t); j++) | |
3594 | { | |
3595 | if (TYPE_FIELD_NAME (t, j)) | |
3596 | { | |
3597 | completion_list_add_name (TYPE_FIELD_NAME (t, j), | |
c5aa993b | 3598 | sym_text, sym_text_len, text, word); |
c906108c SS |
3599 | } |
3600 | } | |
3601 | } | |
3602 | } | |
3603 | } | |
3604 | } | |
3605 | ||
3606 | /* Go through the symtabs and check the externs and statics for | |
3607 | symbols which match. */ | |
3608 | ||
3609 | ALL_SYMTABS (objfile, s) | |
c5aa993b JM |
3610 | { |
3611 | QUIT; | |
3612 | b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), GLOBAL_BLOCK); | |
e88c90f2 | 3613 | ALL_BLOCK_SYMBOLS (b, i, sym) |
c5aa993b | 3614 | { |
c5aa993b JM |
3615 | COMPLETION_LIST_ADD_SYMBOL (sym, sym_text, sym_text_len, text, word); |
3616 | } | |
3617 | } | |
c906108c SS |
3618 | |
3619 | ALL_SYMTABS (objfile, s) | |
c5aa993b JM |
3620 | { |
3621 | QUIT; | |
3622 | b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK); | |
3623 | /* Don't do this block twice. */ | |
3624 | if (b == surrounding_static_block) | |
3625 | continue; | |
e88c90f2 | 3626 | ALL_BLOCK_SYMBOLS (b, i, sym) |
c5aa993b | 3627 | { |
c5aa993b JM |
3628 | COMPLETION_LIST_ADD_SYMBOL (sym, sym_text, sym_text_len, text, word); |
3629 | } | |
3630 | } | |
c906108c SS |
3631 | |
3632 | return (return_val); | |
3633 | } | |
3634 | ||
c94fdfd0 EZ |
3635 | /* Like make_symbol_completion_list, but returns a list of symbols |
3636 | defined in a source file FILE. */ | |
3637 | ||
3638 | char ** | |
3639 | make_file_symbol_completion_list (char *text, char *word, char *srcfile) | |
3640 | { | |
3641 | register struct symbol *sym; | |
3642 | register struct symtab *s; | |
3643 | register struct block *b; | |
3644 | register int i; | |
3645 | /* The symbol we are completing on. Points in same buffer as text. */ | |
3646 | char *sym_text; | |
3647 | /* Length of sym_text. */ | |
3648 | int sym_text_len; | |
3649 | ||
3650 | /* Now look for the symbol we are supposed to complete on. | |
3651 | FIXME: This should be language-specific. */ | |
3652 | { | |
3653 | char *p; | |
3654 | char quote_found; | |
3655 | char *quote_pos = NULL; | |
3656 | ||
3657 | /* First see if this is a quoted string. */ | |
3658 | quote_found = '\0'; | |
3659 | for (p = text; *p != '\0'; ++p) | |
3660 | { | |
3661 | if (quote_found != '\0') | |
3662 | { | |
3663 | if (*p == quote_found) | |
3664 | /* Found close quote. */ | |
3665 | quote_found = '\0'; | |
3666 | else if (*p == '\\' && p[1] == quote_found) | |
3667 | /* A backslash followed by the quote character | |
3668 | doesn't end the string. */ | |
3669 | ++p; | |
3670 | } | |
3671 | else if (*p == '\'' || *p == '"') | |
3672 | { | |
3673 | quote_found = *p; | |
3674 | quote_pos = p; | |
3675 | } | |
3676 | } | |
3677 | if (quote_found == '\'') | |
3678 | /* A string within single quotes can be a symbol, so complete on it. */ | |
3679 | sym_text = quote_pos + 1; | |
3680 | else if (quote_found == '"') | |
3681 | /* A double-quoted string is never a symbol, nor does it make sense | |
3682 | to complete it any other way. */ | |
3683 | { | |
3684 | return_val = (char **) xmalloc (sizeof (char *)); | |
3685 | return_val[0] = NULL; | |
3686 | return return_val; | |
3687 | } | |
3688 | else | |
3689 | { | |
69636828 AF |
3690 | /* Not a quoted string. */ |
3691 | sym_text = language_search_unquoted_string (text, p); | |
c94fdfd0 EZ |
3692 | } |
3693 | } | |
3694 | ||
3695 | sym_text_len = strlen (sym_text); | |
3696 | ||
3697 | return_val_size = 10; | |
3698 | return_val_index = 0; | |
3699 | return_val = (char **) xmalloc ((return_val_size + 1) * sizeof (char *)); | |
3700 | return_val[0] = NULL; | |
3701 | ||
3702 | /* Find the symtab for SRCFILE (this loads it if it was not yet read | |
3703 | in). */ | |
3704 | s = lookup_symtab (srcfile); | |
3705 | if (s == NULL) | |
3706 | { | |
3707 | /* Maybe they typed the file with leading directories, while the | |
3708 | symbol tables record only its basename. */ | |
31889e00 | 3709 | const char *tail = lbasename (srcfile); |
c94fdfd0 EZ |
3710 | |
3711 | if (tail > srcfile) | |
3712 | s = lookup_symtab (tail); | |
3713 | } | |
3714 | ||
3715 | /* If we have no symtab for that file, return an empty list. */ | |
3716 | if (s == NULL) | |
3717 | return (return_val); | |
3718 | ||
3719 | /* Go through this symtab and check the externs and statics for | |
3720 | symbols which match. */ | |
3721 | ||
3722 | b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), GLOBAL_BLOCK); | |
e88c90f2 | 3723 | ALL_BLOCK_SYMBOLS (b, i, sym) |
c94fdfd0 | 3724 | { |
c94fdfd0 EZ |
3725 | COMPLETION_LIST_ADD_SYMBOL (sym, sym_text, sym_text_len, text, word); |
3726 | } | |
3727 | ||
3728 | b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK); | |
e88c90f2 | 3729 | ALL_BLOCK_SYMBOLS (b, i, sym) |
c94fdfd0 | 3730 | { |
c94fdfd0 EZ |
3731 | COMPLETION_LIST_ADD_SYMBOL (sym, sym_text, sym_text_len, text, word); |
3732 | } | |
3733 | ||
3734 | return (return_val); | |
3735 | } | |
3736 | ||
3737 | /* A helper function for make_source_files_completion_list. It adds | |
3738 | another file name to a list of possible completions, growing the | |
3739 | list as necessary. */ | |
3740 | ||
3741 | static void | |
3742 | add_filename_to_list (const char *fname, char *text, char *word, | |
3743 | char ***list, int *list_used, int *list_alloced) | |
3744 | { | |
3745 | char *new; | |
3746 | size_t fnlen = strlen (fname); | |
3747 | ||
3748 | if (*list_used + 1 >= *list_alloced) | |
3749 | { | |
3750 | *list_alloced *= 2; | |
3751 | *list = (char **) xrealloc ((char *) *list, | |
3752 | *list_alloced * sizeof (char *)); | |
3753 | } | |
3754 | ||
3755 | if (word == text) | |
3756 | { | |
3757 | /* Return exactly fname. */ | |
3758 | new = xmalloc (fnlen + 5); | |
3759 | strcpy (new, fname); | |
3760 | } | |
3761 | else if (word > text) | |
3762 | { | |
3763 | /* Return some portion of fname. */ | |
3764 | new = xmalloc (fnlen + 5); | |
3765 | strcpy (new, fname + (word - text)); | |
3766 | } | |
3767 | else | |
3768 | { | |
3769 | /* Return some of TEXT plus fname. */ | |
3770 | new = xmalloc (fnlen + (text - word) + 5); | |
3771 | strncpy (new, word, text - word); | |
3772 | new[text - word] = '\0'; | |
3773 | strcat (new, fname); | |
3774 | } | |
3775 | (*list)[*list_used] = new; | |
3776 | (*list)[++*list_used] = NULL; | |
3777 | } | |
3778 | ||
3779 | static int | |
3780 | not_interesting_fname (const char *fname) | |
3781 | { | |
3782 | static const char *illegal_aliens[] = { | |
3783 | "_globals_", /* inserted by coff_symtab_read */ | |
3784 | NULL | |
3785 | }; | |
3786 | int i; | |
3787 | ||
3788 | for (i = 0; illegal_aliens[i]; i++) | |
3789 | { | |
3790 | if (strcmp (fname, illegal_aliens[i]) == 0) | |
3791 | return 1; | |
3792 | } | |
3793 | return 0; | |
3794 | } | |
3795 | ||
3796 | /* Return a NULL terminated array of all source files whose names | |
3797 | begin with matching TEXT. The file names are looked up in the | |
3798 | symbol tables of this program. If the answer is no matchess, then | |
3799 | the return value is an array which contains only a NULL pointer. */ | |
3800 | ||
3801 | char ** | |
3802 | make_source_files_completion_list (char *text, char *word) | |
3803 | { | |
3804 | register struct symtab *s; | |
3805 | register struct partial_symtab *ps; | |
3806 | register struct objfile *objfile; | |
3807 | int first = 1; | |
3808 | int list_alloced = 1; | |
3809 | int list_used = 0; | |
3810 | size_t text_len = strlen (text); | |
3811 | char **list = (char **) xmalloc (list_alloced * sizeof (char *)); | |
31889e00 | 3812 | const char *base_name; |
c94fdfd0 EZ |
3813 | |
3814 | list[0] = NULL; | |
3815 | ||
3816 | if (!have_full_symbols () && !have_partial_symbols ()) | |
3817 | return list; | |
3818 | ||
3819 | ALL_SYMTABS (objfile, s) | |
3820 | { | |
3821 | if (not_interesting_fname (s->filename)) | |
3822 | continue; | |
3823 | if (!filename_seen (s->filename, 1, &first) | |
3824 | #if HAVE_DOS_BASED_FILE_SYSTEM | |
3825 | && strncasecmp (s->filename, text, text_len) == 0 | |
3826 | #else | |
3827 | && strncmp (s->filename, text, text_len) == 0 | |
3828 | #endif | |
3829 | ) | |
3830 | { | |
3831 | /* This file matches for a completion; add it to the current | |
3832 | list of matches. */ | |
3833 | add_filename_to_list (s->filename, text, word, | |
3834 | &list, &list_used, &list_alloced); | |
3835 | } | |
3836 | else | |
3837 | { | |
3838 | /* NOTE: We allow the user to type a base name when the | |
3839 | debug info records leading directories, but not the other | |
3840 | way around. This is what subroutines of breakpoint | |
3841 | command do when they parse file names. */ | |
31889e00 | 3842 | base_name = lbasename (s->filename); |
c94fdfd0 EZ |
3843 | if (base_name != s->filename |
3844 | && !filename_seen (base_name, 1, &first) | |
3845 | #if HAVE_DOS_BASED_FILE_SYSTEM | |
3846 | && strncasecmp (base_name, text, text_len) == 0 | |
3847 | #else | |
3848 | && strncmp (base_name, text, text_len) == 0 | |
3849 | #endif | |
3850 | ) | |
3851 | add_filename_to_list (base_name, text, word, | |
3852 | &list, &list_used, &list_alloced); | |
3853 | } | |
3854 | } | |
3855 | ||
3856 | ALL_PSYMTABS (objfile, ps) | |
3857 | { | |
3858 | if (not_interesting_fname (ps->filename)) | |
3859 | continue; | |
3860 | if (!ps->readin) | |
3861 | { | |
3862 | if (!filename_seen (ps->filename, 1, &first) | |
3863 | #if HAVE_DOS_BASED_FILE_SYSTEM | |
3864 | && strncasecmp (ps->filename, text, text_len) == 0 | |
3865 | #else | |
3866 | && strncmp (ps->filename, text, text_len) == 0 | |
3867 | #endif | |
3868 | ) | |
3869 | { | |
3870 | /* This file matches for a completion; add it to the | |
3871 | current list of matches. */ | |
3872 | add_filename_to_list (ps->filename, text, word, | |
3873 | &list, &list_used, &list_alloced); | |
3874 | ||
3875 | } | |
3876 | else | |
3877 | { | |
31889e00 | 3878 | base_name = lbasename (ps->filename); |
c94fdfd0 EZ |
3879 | if (base_name != ps->filename |
3880 | && !filename_seen (base_name, 1, &first) | |
3881 | #if HAVE_DOS_BASED_FILE_SYSTEM | |
3882 | && strncasecmp (base_name, text, text_len) == 0 | |
3883 | #else | |
3884 | && strncmp (base_name, text, text_len) == 0 | |
3885 | #endif | |
3886 | ) | |
3887 | add_filename_to_list (base_name, text, word, | |
3888 | &list, &list_used, &list_alloced); | |
3889 | } | |
3890 | } | |
3891 | } | |
3892 | ||
3893 | return list; | |
3894 | } | |
3895 | ||
c906108c SS |
3896 | /* Determine if PC is in the prologue of a function. The prologue is the area |
3897 | between the first instruction of a function, and the first executable line. | |
3898 | Returns 1 if PC *might* be in prologue, 0 if definately *not* in prologue. | |
3899 | ||
3900 | If non-zero, func_start is where we think the prologue starts, possibly | |
3901 | by previous examination of symbol table information. | |
3902 | */ | |
3903 | ||
3904 | int | |
fba45db2 | 3905 | in_prologue (CORE_ADDR pc, CORE_ADDR func_start) |
c906108c SS |
3906 | { |
3907 | struct symtab_and_line sal; | |
3908 | CORE_ADDR func_addr, func_end; | |
3909 | ||
54cf9c03 EZ |
3910 | /* We have several sources of information we can consult to figure |
3911 | this out. | |
3912 | - Compilers usually emit line number info that marks the prologue | |
3913 | as its own "source line". So the ending address of that "line" | |
3914 | is the end of the prologue. If available, this is the most | |
3915 | reliable method. | |
3916 | - The minimal symbols and partial symbols, which can usually tell | |
3917 | us the starting and ending addresses of a function. | |
3918 | - If we know the function's start address, we can call the | |
3919 | architecture-defined SKIP_PROLOGUE function to analyze the | |
3920 | instruction stream and guess where the prologue ends. | |
3921 | - Our `func_start' argument; if non-zero, this is the caller's | |
3922 | best guess as to the function's entry point. At the time of | |
3923 | this writing, handle_inferior_event doesn't get this right, so | |
3924 | it should be our last resort. */ | |
3925 | ||
3926 | /* Consult the partial symbol table, to find which function | |
3927 | the PC is in. */ | |
3928 | if (! find_pc_partial_function (pc, NULL, &func_addr, &func_end)) | |
3929 | { | |
3930 | CORE_ADDR prologue_end; | |
c906108c | 3931 | |
54cf9c03 EZ |
3932 | /* We don't even have minsym information, so fall back to using |
3933 | func_start, if given. */ | |
3934 | if (! func_start) | |
3935 | return 1; /* We *might* be in a prologue. */ | |
c906108c | 3936 | |
54cf9c03 | 3937 | prologue_end = SKIP_PROLOGUE (func_start); |
c906108c | 3938 | |
54cf9c03 EZ |
3939 | return func_start <= pc && pc < prologue_end; |
3940 | } | |
c906108c | 3941 | |
54cf9c03 EZ |
3942 | /* If we have line number information for the function, that's |
3943 | usually pretty reliable. */ | |
3944 | sal = find_pc_line (func_addr, 0); | |
c906108c | 3945 | |
54cf9c03 EZ |
3946 | /* Now sal describes the source line at the function's entry point, |
3947 | which (by convention) is the prologue. The end of that "line", | |
3948 | sal.end, is the end of the prologue. | |
3949 | ||
3950 | Note that, for functions whose source code is all on a single | |
3951 | line, the line number information doesn't always end up this way. | |
3952 | So we must verify that our purported end-of-prologue address is | |
3953 | *within* the function, not at its start or end. */ | |
3954 | if (sal.line == 0 | |
3955 | || sal.end <= func_addr | |
3956 | || func_end <= sal.end) | |
3957 | { | |
3958 | /* We don't have any good line number info, so use the minsym | |
3959 | information, together with the architecture-specific prologue | |
3960 | scanning code. */ | |
3961 | CORE_ADDR prologue_end = SKIP_PROLOGUE (func_addr); | |
c906108c | 3962 | |
54cf9c03 EZ |
3963 | return func_addr <= pc && pc < prologue_end; |
3964 | } | |
c906108c | 3965 | |
54cf9c03 EZ |
3966 | /* We have line number info, and it looks good. */ |
3967 | return func_addr <= pc && pc < sal.end; | |
c906108c SS |
3968 | } |
3969 | ||
3970 | ||
3971 | /* Begin overload resolution functions */ | |
228c6d41 DJ |
3972 | |
3973 | static char * | |
3974 | remove_params (const char *demangled_name) | |
3975 | { | |
3976 | const char *argp; | |
3977 | char *new_name; | |
3978 | int depth; | |
3979 | ||
3980 | if (demangled_name == NULL) | |
3981 | return NULL; | |
3982 | ||
3983 | /* First find the end of the arg list. */ | |
3984 | argp = strrchr (demangled_name, ')'); | |
3985 | if (argp == NULL) | |
3986 | return NULL; | |
3987 | ||
3988 | /* Back up to the beginning. */ | |
3989 | depth = 1; | |
3990 | ||
3991 | while (argp-- > demangled_name) | |
3992 | { | |
3993 | if (*argp == ')') | |
3994 | depth ++; | |
3995 | else if (*argp == '(') | |
3996 | { | |
3997 | depth --; | |
3998 | ||
3999 | if (depth == 0) | |
4000 | break; | |
4001 | } | |
4002 | } | |
4003 | if (depth != 0) | |
4004 | internal_error (__FILE__, __LINE__, | |
4005 | "bad demangled name %s\n", demangled_name); | |
4006 | while (argp[-1] == ' ' && argp > demangled_name) | |
4007 | argp --; | |
4008 | ||
4009 | new_name = xmalloc (argp - demangled_name + 1); | |
4010 | memcpy (new_name, demangled_name, argp - demangled_name); | |
4011 | new_name[argp - demangled_name] = '\0'; | |
4012 | return new_name; | |
4013 | } | |
4014 | ||
c906108c SS |
4015 | /* Helper routine for make_symbol_completion_list. */ |
4016 | ||
4017 | static int sym_return_val_size; | |
4018 | static int sym_return_val_index; | |
4019 | static struct symbol **sym_return_val; | |
4020 | ||
4021 | /* Test to see if the symbol specified by SYMNAME (which is already | |
c5aa993b JM |
4022 | demangled for C++ symbols) matches SYM_TEXT in the first SYM_TEXT_LEN |
4023 | characters. If so, add it to the current completion list. */ | |
c906108c SS |
4024 | |
4025 | static void | |
fba45db2 | 4026 | overload_list_add_symbol (struct symbol *sym, char *oload_name) |
c906108c SS |
4027 | { |
4028 | int newsize; | |
4029 | int i; | |
228c6d41 DJ |
4030 | char *sym_name; |
4031 | ||
4032 | /* If there is no type information, we can't do anything, so skip */ | |
4033 | if (SYMBOL_TYPE (sym) == NULL) | |
4034 | return; | |
4035 | ||
4036 | /* skip any symbols that we've already considered. */ | |
4037 | for (i = 0; i < sym_return_val_index; ++i) | |
22abf04a | 4038 | if (!strcmp (DEPRECATED_SYMBOL_NAME (sym), DEPRECATED_SYMBOL_NAME (sym_return_val[i]))) |
228c6d41 | 4039 | return; |
c906108c SS |
4040 | |
4041 | /* Get the demangled name without parameters */ | |
228c6d41 | 4042 | sym_name = remove_params (SYMBOL_DEMANGLED_NAME (sym)); |
c906108c | 4043 | if (!sym_name) |
228c6d41 | 4044 | return; |
c906108c SS |
4045 | |
4046 | /* skip symbols that cannot match */ | |
4047 | if (strcmp (sym_name, oload_name) != 0) | |
917317f4 | 4048 | { |
b8c9b27d | 4049 | xfree (sym_name); |
917317f4 JM |
4050 | return; |
4051 | } | |
c906108c | 4052 | |
228c6d41 | 4053 | xfree (sym_name); |
c906108c SS |
4054 | |
4055 | /* We have a match for an overload instance, so add SYM to the current list | |
4056 | * of overload instances */ | |
4057 | if (sym_return_val_index + 3 > sym_return_val_size) | |
4058 | { | |
4059 | newsize = (sym_return_val_size *= 2) * sizeof (struct symbol *); | |
4060 | sym_return_val = (struct symbol **) xrealloc ((char *) sym_return_val, newsize); | |
4061 | } | |
4062 | sym_return_val[sym_return_val_index++] = sym; | |
4063 | sym_return_val[sym_return_val_index] = NULL; | |
c906108c SS |
4064 | } |
4065 | ||
4066 | /* Return a null-terminated list of pointers to function symbols that | |
4067 | * match name of the supplied symbol FSYM. | |
4068 | * This is used in finding all overloaded instances of a function name. | |
4069 | * This has been modified from make_symbol_completion_list. */ | |
4070 | ||
4071 | ||
4072 | struct symbol ** | |
fba45db2 | 4073 | make_symbol_overload_list (struct symbol *fsym) |
c906108c SS |
4074 | { |
4075 | register struct symbol *sym; | |
4076 | register struct symtab *s; | |
4077 | register struct partial_symtab *ps; | |
c906108c SS |
4078 | register struct objfile *objfile; |
4079 | register struct block *b, *surrounding_static_block = 0; | |
d4f3574e | 4080 | register int i; |
c906108c SS |
4081 | /* The name we are completing on. */ |
4082 | char *oload_name = NULL; | |
4083 | /* Length of name. */ | |
4084 | int oload_name_len = 0; | |
4085 | ||
228c6d41 | 4086 | /* Look for the symbol we are supposed to complete on. */ |
c906108c | 4087 | |
228c6d41 | 4088 | oload_name = remove_params (SYMBOL_DEMANGLED_NAME (fsym)); |
c906108c SS |
4089 | if (!oload_name) |
4090 | { | |
228c6d41 DJ |
4091 | sym_return_val_size = 1; |
4092 | sym_return_val = (struct symbol **) xmalloc (2 * sizeof (struct symbol *)); | |
4093 | sym_return_val[0] = fsym; | |
4094 | sym_return_val[1] = NULL; | |
4095 | ||
4096 | return sym_return_val; | |
c906108c SS |
4097 | } |
4098 | oload_name_len = strlen (oload_name); | |
4099 | ||
4100 | sym_return_val_size = 100; | |
4101 | sym_return_val_index = 0; | |
4102 | sym_return_val = (struct symbol **) xmalloc ((sym_return_val_size + 1) * sizeof (struct symbol *)); | |
4103 | sym_return_val[0] = NULL; | |
4104 | ||
49fa1dc2 DC |
4105 | /* Read in all partial symtabs containing a partial symbol named |
4106 | OLOAD_NAME. */ | |
c906108c SS |
4107 | |
4108 | ALL_PSYMTABS (objfile, ps) | |
c5aa993b | 4109 | { |
d4f3574e SS |
4110 | struct partial_symbol **psym; |
4111 | ||
c5aa993b JM |
4112 | /* If the psymtab's been read in we'll get it when we search |
4113 | through the blockvector. */ | |
4114 | if (ps->readin) | |
4115 | continue; | |
4116 | ||
176620f1 | 4117 | if ((lookup_partial_symbol (ps, oload_name, NULL, 1, VAR_DOMAIN) |
3d4e8fd2 | 4118 | != NULL) |
176620f1 | 4119 | || (lookup_partial_symbol (ps, oload_name, NULL, 0, VAR_DOMAIN) |
3d4e8fd2 | 4120 | != NULL)) |
49fa1dc2 | 4121 | PSYMTAB_TO_SYMTAB (ps); |
c5aa993b | 4122 | } |
c906108c | 4123 | |
c906108c SS |
4124 | /* Search upwards from currently selected frame (so that we can |
4125 | complete on local vars. */ | |
4126 | ||
ae767bfb | 4127 | for (b = get_selected_block (0); b != NULL; b = BLOCK_SUPERBLOCK (b)) |
c906108c SS |
4128 | { |
4129 | if (!BLOCK_SUPERBLOCK (b)) | |
4130 | { | |
c5aa993b | 4131 | surrounding_static_block = b; /* For elimination of dups */ |
c906108c | 4132 | } |
c5aa993b | 4133 | |
c906108c | 4134 | /* Also catch fields of types defined in this places which match our |
c5aa993b | 4135 | text string. Only complete on types visible from current context. */ |
c906108c | 4136 | |
e88c90f2 | 4137 | ALL_BLOCK_SYMBOLS (b, i, sym) |
c906108c | 4138 | { |
c906108c SS |
4139 | overload_list_add_symbol (sym, oload_name); |
4140 | } | |
4141 | } | |
4142 | ||
4143 | /* Go through the symtabs and check the externs and statics for | |
4144 | symbols which match. */ | |
4145 | ||
4146 | ALL_SYMTABS (objfile, s) | |
c5aa993b JM |
4147 | { |
4148 | QUIT; | |
4149 | b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), GLOBAL_BLOCK); | |
e88c90f2 | 4150 | ALL_BLOCK_SYMBOLS (b, i, sym) |
c5aa993b | 4151 | { |
c5aa993b JM |
4152 | overload_list_add_symbol (sym, oload_name); |
4153 | } | |
4154 | } | |
c906108c SS |
4155 | |
4156 | ALL_SYMTABS (objfile, s) | |
c5aa993b JM |
4157 | { |
4158 | QUIT; | |
4159 | b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK); | |
4160 | /* Don't do this block twice. */ | |
4161 | if (b == surrounding_static_block) | |
4162 | continue; | |
e88c90f2 | 4163 | ALL_BLOCK_SYMBOLS (b, i, sym) |
c5aa993b | 4164 | { |
c5aa993b JM |
4165 | overload_list_add_symbol (sym, oload_name); |
4166 | } | |
4167 | } | |
c906108c | 4168 | |
b8c9b27d | 4169 | xfree (oload_name); |
c906108c SS |
4170 | |
4171 | return (sym_return_val); | |
4172 | } | |
4173 | ||
4174 | /* End of overload resolution functions */ | |
c906108c | 4175 | \f |
50641945 FN |
4176 | struct symtabs_and_lines |
4177 | decode_line_spec (char *string, int funfirstline) | |
4178 | { | |
4179 | struct symtabs_and_lines sals; | |
0378c332 FN |
4180 | struct symtab_and_line cursal; |
4181 | ||
50641945 FN |
4182 | if (string == 0) |
4183 | error ("Empty line specification."); | |
0378c332 FN |
4184 | |
4185 | /* We use whatever is set as the current source line. We do not try | |
4186 | and get a default or it will recursively call us! */ | |
4187 | cursal = get_current_source_symtab_and_line (); | |
4188 | ||
50641945 | 4189 | sals = decode_line_1 (&string, funfirstline, |
0378c332 | 4190 | cursal.symtab, cursal.line, |
50641945 | 4191 | (char ***) NULL); |
0378c332 | 4192 | |
50641945 FN |
4193 | if (*string) |
4194 | error ("Junk at end of line specification: %s", string); | |
4195 | return sals; | |
4196 | } | |
c5aa993b | 4197 | |
51cc5b07 AC |
4198 | /* Track MAIN */ |
4199 | static char *name_of_main; | |
4200 | ||
4201 | void | |
4202 | set_main_name (const char *name) | |
4203 | { | |
4204 | if (name_of_main != NULL) | |
4205 | { | |
4206 | xfree (name_of_main); | |
4207 | name_of_main = NULL; | |
4208 | } | |
4209 | if (name != NULL) | |
4210 | { | |
4211 | name_of_main = xstrdup (name); | |
4212 | } | |
4213 | } | |
4214 | ||
4215 | char * | |
4216 | main_name (void) | |
4217 | { | |
4218 | if (name_of_main != NULL) | |
4219 | return name_of_main; | |
4220 | else | |
4221 | return "main"; | |
4222 | } | |
4223 | ||
4224 | ||
c906108c | 4225 | void |
fba45db2 | 4226 | _initialize_symtab (void) |
c906108c SS |
4227 | { |
4228 | add_info ("variables", variables_info, | |
c5aa993b | 4229 | "All global and static variable names, or those matching REGEXP."); |
c906108c | 4230 | if (dbx_commands) |
c5aa993b JM |
4231 | add_com ("whereis", class_info, variables_info, |
4232 | "All global and static variable names, or those matching REGEXP."); | |
c906108c SS |
4233 | |
4234 | add_info ("functions", functions_info, | |
4235 | "All function names, or those matching REGEXP."); | |
4236 | ||
357e46e7 | 4237 | |
c906108c SS |
4238 | /* FIXME: This command has at least the following problems: |
4239 | 1. It prints builtin types (in a very strange and confusing fashion). | |
4240 | 2. It doesn't print right, e.g. with | |
c5aa993b JM |
4241 | typedef struct foo *FOO |
4242 | type_print prints "FOO" when we want to make it (in this situation) | |
4243 | print "struct foo *". | |
c906108c SS |
4244 | I also think "ptype" or "whatis" is more likely to be useful (but if |
4245 | there is much disagreement "info types" can be fixed). */ | |
4246 | add_info ("types", types_info, | |
4247 | "All type names, or those matching REGEXP."); | |
4248 | ||
c906108c SS |
4249 | add_info ("sources", sources_info, |
4250 | "Source files in the program."); | |
4251 | ||
4252 | add_com ("rbreak", class_breakpoint, rbreak_command, | |
c5aa993b | 4253 | "Set a breakpoint for all functions matching REGEXP."); |
c906108c SS |
4254 | |
4255 | if (xdb_commands) | |
4256 | { | |
4257 | add_com ("lf", class_info, sources_info, "Source files in the program"); | |
4258 | add_com ("lg", class_info, variables_info, | |
c5aa993b | 4259 | "All global and static variable names, or those matching REGEXP."); |
c906108c SS |
4260 | } |
4261 | ||
4262 | /* Initialize the one built-in type that isn't language dependent... */ | |
4263 | builtin_type_error = init_type (TYPE_CODE_ERROR, 0, 0, | |
4264 | "<unknown type>", (struct objfile *) NULL); | |
4265 | } |