Commit | Line | Data |
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252b5132 | 1 | /* stabs.c -- Parse stabs debugging information |
4b73ca92 | 2 | Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 |
8855cbca | 3 | Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by Ian Lance Taylor <ian@cygnus.com>. |
5 | ||
6 | This file is part of GNU Binutils. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
21 | 02111-1307, USA. */ | |
22 | ||
23 | /* This file contains code which parses stabs debugging information. | |
24 | The organization of this code is based on the gdb stabs reading | |
25 | code. The job it does is somewhat different, because it is not | |
26 | trying to identify the correct address for anything. */ | |
27 | ||
28 | #include <stdio.h> | |
252b5132 RH |
29 | |
30 | #include "bfd.h" | |
31 | #include "bucomm.h" | |
32 | #include "libiberty.h" | |
3882b010 | 33 | #include "safe-ctype.h" |
252b5132 RH |
34 | #include "demangle.h" |
35 | #include "debug.h" | |
36 | #include "budbg.h" | |
8855cbca | 37 | #include "filenames.h" |
252b5132 RH |
38 | |
39 | /* Meaningless definition needs by aout64.h. FIXME. */ | |
40 | #define BYTES_IN_WORD 4 | |
41 | ||
42 | #include "aout/aout64.h" | |
43 | #include "aout/stab_gnu.h" | |
44 | ||
252b5132 RH |
45 | /* The number of predefined XCOFF types. */ |
46 | ||
47 | #define XCOFF_TYPE_COUNT 34 | |
48 | ||
49 | /* This structure is used as a handle so that the stab parsing doesn't | |
50 | need to use any static variables. */ | |
51 | ||
52 | struct stab_handle | |
53 | { | |
54 | /* The BFD. */ | |
55 | bfd *abfd; | |
b34976b6 AM |
56 | /* TRUE if this is stabs in sections. */ |
57 | bfd_boolean sections; | |
252b5132 RH |
58 | /* The symbol table. */ |
59 | asymbol **syms; | |
60 | /* The number of symbols. */ | |
61 | long symcount; | |
62 | /* The accumulated file name string. */ | |
63 | char *so_string; | |
64 | /* The value of the last N_SO symbol. */ | |
65 | bfd_vma so_value; | |
66 | /* The value of the start of the file, so that we can handle file | |
67 | relative N_LBRAC and N_RBRAC symbols. */ | |
68 | bfd_vma file_start_offset; | |
69 | /* The offset of the start of the function, so that we can handle | |
70 | function relative N_LBRAC and N_RBRAC symbols. */ | |
71 | bfd_vma function_start_offset; | |
72 | /* The version number of gcc which compiled the current compilation | |
73 | unit, 0 if not compiled by gcc. */ | |
74 | int gcc_compiled; | |
75 | /* Whether an N_OPT symbol was seen that was not generated by gcc, | |
76 | so that we can detect the SunPRO compiler. */ | |
b34976b6 | 77 | bfd_boolean n_opt_found; |
252b5132 RH |
78 | /* The main file name. */ |
79 | char *main_filename; | |
80 | /* A stack of unfinished N_BINCL files. */ | |
81 | struct bincl_file *bincl_stack; | |
82 | /* A list of finished N_BINCL files. */ | |
83 | struct bincl_file *bincl_list; | |
84 | /* Whether we are inside a function or not. */ | |
b34976b6 | 85 | bfd_boolean within_function; |
252b5132 RH |
86 | /* The address of the end of the function, used if we have seen an |
87 | N_FUN symbol while in a function. This is -1 if we have not seen | |
88 | an N_FUN (the normal case). */ | |
89 | bfd_vma function_end; | |
90 | /* The depth of block nesting. */ | |
91 | int block_depth; | |
92 | /* List of pending variable definitions. */ | |
93 | struct stab_pending_var *pending; | |
94 | /* Number of files for which we have types. */ | |
95 | unsigned int files; | |
96 | /* Lists of types per file. */ | |
97 | struct stab_types **file_types; | |
98 | /* Predefined XCOFF types. */ | |
99 | debug_type xcoff_types[XCOFF_TYPE_COUNT]; | |
100 | /* Undefined tags. */ | |
101 | struct stab_tag *tags; | |
102 | /* Set by parse_stab_type if it sees a structure defined as a cross | |
103 | reference to itself. Reset by parse_stab_type otherwise. */ | |
b34976b6 | 104 | bfd_boolean self_crossref; |
252b5132 RH |
105 | }; |
106 | ||
107 | /* A list of these structures is used to hold pending variable | |
108 | definitions seen before the N_LBRAC of a block. */ | |
109 | ||
110 | struct stab_pending_var | |
111 | { | |
112 | /* Next pending variable definition. */ | |
113 | struct stab_pending_var *next; | |
114 | /* Name. */ | |
115 | const char *name; | |
116 | /* Type. */ | |
117 | debug_type type; | |
118 | /* Kind. */ | |
119 | enum debug_var_kind kind; | |
120 | /* Value. */ | |
121 | bfd_vma val; | |
122 | }; | |
123 | ||
124 | /* A list of these structures is used to hold the types for a single | |
125 | file. */ | |
126 | ||
127 | struct stab_types | |
128 | { | |
129 | /* Next set of slots for this file. */ | |
130 | struct stab_types *next; | |
131 | /* Types indexed by type number. */ | |
132 | #define STAB_TYPES_SLOTS (16) | |
133 | debug_type types[STAB_TYPES_SLOTS]; | |
134 | }; | |
135 | ||
136 | /* We keep a list of undefined tags that we encounter, so that we can | |
137 | fill them in if the tag is later defined. */ | |
138 | ||
139 | struct stab_tag | |
140 | { | |
141 | /* Next undefined tag. */ | |
142 | struct stab_tag *next; | |
143 | /* Tag name. */ | |
144 | const char *name; | |
145 | /* Type kind. */ | |
146 | enum debug_type_kind kind; | |
147 | /* Slot to hold real type when we discover it. If we don't, we fill | |
148 | in an undefined tag type. */ | |
149 | debug_type slot; | |
150 | /* Indirect type we have created to point at slot. */ | |
151 | debug_type type; | |
152 | }; | |
153 | ||
b34976b6 AM |
154 | static char *savestring |
155 | PARAMS ((const char *, int)); | |
156 | static bfd_vma parse_number | |
157 | PARAMS ((const char **, bfd_boolean *)); | |
158 | static void bad_stab | |
159 | PARAMS ((const char *)); | |
160 | static void warn_stab | |
161 | PARAMS ((const char *, const char *)); | |
162 | static bfd_boolean parse_stab_string | |
252b5132 RH |
163 | PARAMS ((PTR, struct stab_handle *, int, int, bfd_vma, const char *)); |
164 | static debug_type parse_stab_type | |
165 | PARAMS ((PTR, struct stab_handle *, const char *, const char **, | |
166 | debug_type **)); | |
b34976b6 | 167 | static bfd_boolean parse_stab_type_number |
252b5132 RH |
168 | PARAMS ((const char **, int *)); |
169 | static debug_type parse_stab_range_type | |
170 | PARAMS ((PTR, struct stab_handle *, const char *, const char **, | |
171 | const int *)); | |
b34976b6 AM |
172 | static debug_type parse_stab_sun_builtin_type |
173 | PARAMS ((PTR, const char **)); | |
252b5132 RH |
174 | static debug_type parse_stab_sun_floating_type |
175 | PARAMS ((PTR, const char **)); | |
b34976b6 AM |
176 | static debug_type parse_stab_enum_type |
177 | PARAMS ((PTR, const char **)); | |
252b5132 | 178 | static debug_type parse_stab_struct_type |
b34976b6 | 179 | PARAMS ((PTR, struct stab_handle *, const char *, const char **, bfd_boolean, |
252b5132 | 180 | const int *)); |
b34976b6 | 181 | static bfd_boolean parse_stab_baseclasses |
252b5132 | 182 | PARAMS ((PTR, struct stab_handle *, const char **, debug_baseclass **)); |
b34976b6 | 183 | static bfd_boolean parse_stab_struct_fields |
252b5132 | 184 | PARAMS ((PTR, struct stab_handle *, const char **, debug_field **, |
b34976b6 AM |
185 | bfd_boolean *)); |
186 | static bfd_boolean parse_stab_cpp_abbrev | |
252b5132 | 187 | PARAMS ((PTR, struct stab_handle *, const char **, debug_field *)); |
b34976b6 | 188 | static bfd_boolean parse_stab_one_struct_field |
252b5132 | 189 | PARAMS ((PTR, struct stab_handle *, const char **, const char *, |
b34976b6 AM |
190 | debug_field *, bfd_boolean *)); |
191 | static bfd_boolean parse_stab_members | |
252b5132 RH |
192 | PARAMS ((PTR, struct stab_handle *, const char *, const char **, |
193 | const int *, debug_method **)); | |
194 | static debug_type parse_stab_argtypes | |
195 | PARAMS ((PTR, struct stab_handle *, debug_type, const char *, const char *, | |
b34976b6 AM |
196 | debug_type, const char *, bfd_boolean, bfd_boolean, const char **)); |
197 | static bfd_boolean parse_stab_tilde_field | |
252b5132 | 198 | PARAMS ((PTR, struct stab_handle *, const char **, const int *, |
b34976b6 | 199 | debug_type *, bfd_boolean *)); |
252b5132 | 200 | static debug_type parse_stab_array_type |
b34976b6 AM |
201 | PARAMS ((PTR, struct stab_handle *, const char **, bfd_boolean)); |
202 | static void push_bincl | |
203 | PARAMS ((struct stab_handle *, const char *, bfd_vma)); | |
204 | static const char *pop_bincl | |
205 | PARAMS ((struct stab_handle *)); | |
206 | static bfd_boolean find_excl | |
252b5132 | 207 | PARAMS ((struct stab_handle *, const char *, bfd_vma)); |
b34976b6 | 208 | static bfd_boolean stab_record_variable |
252b5132 RH |
209 | PARAMS ((PTR, struct stab_handle *, const char *, debug_type, |
210 | enum debug_var_kind, bfd_vma)); | |
b34976b6 AM |
211 | static bfd_boolean stab_emit_pending_vars |
212 | PARAMS ((PTR, struct stab_handle *)); | |
252b5132 RH |
213 | static debug_type *stab_find_slot |
214 | PARAMS ((struct stab_handle *, const int *)); | |
215 | static debug_type stab_find_type | |
216 | PARAMS ((PTR, struct stab_handle *, const int *)); | |
b34976b6 | 217 | static bfd_boolean stab_record_type |
252b5132 RH |
218 | PARAMS ((PTR, struct stab_handle *, const int *, debug_type)); |
219 | static debug_type stab_xcoff_builtin_type | |
220 | PARAMS ((PTR, struct stab_handle *, int)); | |
221 | static debug_type stab_find_tagged_type | |
222 | PARAMS ((PTR, struct stab_handle *, const char *, int, | |
223 | enum debug_type_kind)); | |
224 | static debug_type *stab_demangle_argtypes | |
b34976b6 | 225 | PARAMS ((PTR, struct stab_handle *, const char *, bfd_boolean *, unsigned int)); |
252b5132 RH |
226 | |
227 | /* Save a string in memory. */ | |
228 | ||
229 | static char * | |
230 | savestring (start, len) | |
231 | const char *start; | |
232 | int len; | |
233 | { | |
234 | char *ret; | |
235 | ||
236 | ret = (char *) xmalloc (len + 1); | |
237 | memcpy (ret, start, len); | |
238 | ret[len] = '\0'; | |
239 | return ret; | |
240 | } | |
241 | ||
242 | /* Read a number from a string. */ | |
243 | ||
244 | static bfd_vma | |
245 | parse_number (pp, poverflow) | |
246 | const char **pp; | |
b34976b6 | 247 | bfd_boolean *poverflow; |
252b5132 RH |
248 | { |
249 | unsigned long ul; | |
250 | const char *orig; | |
251 | ||
252 | if (poverflow != NULL) | |
b34976b6 | 253 | *poverflow = FALSE; |
252b5132 RH |
254 | |
255 | orig = *pp; | |
256 | ||
257 | errno = 0; | |
258 | ul = strtoul (*pp, (char **) pp, 0); | |
259 | if (ul + 1 != 0 || errno == 0) | |
260 | { | |
261 | /* If bfd_vma is larger than unsigned long, and the number is | |
262 | meant to be negative, we have to make sure that we sign | |
263 | extend properly. */ | |
264 | if (*orig == '-') | |
265 | return (bfd_vma) (bfd_signed_vma) (long) ul; | |
266 | return (bfd_vma) ul; | |
267 | } | |
268 | ||
269 | /* Note that even though strtoul overflowed, it should have set *pp | |
270 | to the end of the number, which is where we want it. */ | |
271 | ||
272 | if (sizeof (bfd_vma) > sizeof (unsigned long)) | |
273 | { | |
274 | const char *p; | |
b34976b6 | 275 | bfd_boolean neg; |
252b5132 RH |
276 | int base; |
277 | bfd_vma over, lastdig; | |
b34976b6 | 278 | bfd_boolean overflow; |
252b5132 RH |
279 | bfd_vma v; |
280 | ||
281 | /* Our own version of strtoul, for a bfd_vma. */ | |
282 | ||
283 | p = orig; | |
284 | ||
b34976b6 | 285 | neg = FALSE; |
252b5132 RH |
286 | if (*p == '+') |
287 | ++p; | |
288 | else if (*p == '-') | |
289 | { | |
b34976b6 | 290 | neg = TRUE; |
252b5132 RH |
291 | ++p; |
292 | } | |
293 | ||
294 | base = 10; | |
295 | if (*p == '0') | |
296 | { | |
297 | if (p[1] == 'x' || p[1] == 'X') | |
298 | { | |
299 | base = 16; | |
300 | p += 2; | |
301 | } | |
302 | else | |
303 | { | |
304 | base = 8; | |
305 | ++p; | |
306 | } | |
307 | } | |
308 | ||
309 | over = ((bfd_vma) (bfd_signed_vma) -1) / (bfd_vma) base; | |
310 | lastdig = ((bfd_vma) (bfd_signed_vma) -1) % (bfd_vma) base; | |
311 | ||
b34976b6 | 312 | overflow = FALSE; |
252b5132 RH |
313 | v = 0; |
314 | while (1) | |
315 | { | |
316 | int d; | |
317 | ||
318 | d = *p++; | |
3882b010 | 319 | if (ISDIGIT (d)) |
252b5132 | 320 | d -= '0'; |
3882b010 | 321 | else if (ISUPPER (d)) |
252b5132 | 322 | d -= 'A'; |
3882b010 | 323 | else if (ISLOWER (d)) |
252b5132 RH |
324 | d -= 'a'; |
325 | else | |
326 | break; | |
327 | ||
328 | if (d >= base) | |
329 | break; | |
330 | ||
331 | if (v > over || (v == over && (bfd_vma) d > lastdig)) | |
332 | { | |
b34976b6 | 333 | overflow = TRUE; |
252b5132 RH |
334 | break; |
335 | } | |
336 | } | |
337 | ||
338 | if (! overflow) | |
339 | { | |
340 | if (neg) | |
341 | v = - v; | |
342 | return v; | |
343 | } | |
344 | } | |
345 | ||
346 | /* If we get here, the number is too large to represent in a | |
347 | bfd_vma. */ | |
348 | ||
349 | if (poverflow != NULL) | |
b34976b6 | 350 | *poverflow = TRUE; |
252b5132 RH |
351 | else |
352 | warn_stab (orig, _("numeric overflow")); | |
353 | ||
354 | return 0; | |
355 | } | |
356 | ||
357 | /* Give an error for a bad stab string. */ | |
358 | ||
359 | static void | |
360 | bad_stab (p) | |
361 | const char *p; | |
362 | { | |
363 | fprintf (stderr, _("Bad stab: %s\n"), p); | |
364 | } | |
365 | ||
366 | /* Warn about something in a stab string. */ | |
367 | ||
368 | static void | |
369 | warn_stab (p, err) | |
370 | const char *p; | |
371 | const char *err; | |
372 | { | |
373 | fprintf (stderr, _("Warning: %s: %s\n"), err, p); | |
374 | } | |
375 | ||
376 | /* Create a handle to parse stabs symbols with. */ | |
377 | ||
252b5132 RH |
378 | PTR |
379 | start_stab (dhandle, abfd, sections, syms, symcount) | |
b4c96d0d | 380 | PTR dhandle ATTRIBUTE_UNUSED; |
252b5132 | 381 | bfd *abfd; |
b34976b6 | 382 | bfd_boolean sections; |
252b5132 RH |
383 | asymbol **syms; |
384 | long symcount; | |
385 | { | |
386 | struct stab_handle *ret; | |
387 | ||
388 | ret = (struct stab_handle *) xmalloc (sizeof *ret); | |
389 | memset (ret, 0, sizeof *ret); | |
390 | ret->abfd = abfd; | |
391 | ret->sections = sections; | |
392 | ret->syms = syms; | |
393 | ret->symcount = symcount; | |
394 | ret->files = 1; | |
395 | ret->file_types = (struct stab_types **) xmalloc (sizeof *ret->file_types); | |
396 | ret->file_types[0] = NULL; | |
397 | ret->function_end = (bfd_vma) -1; | |
398 | return (PTR) ret; | |
399 | } | |
400 | ||
401 | /* When we have processed all the stabs information, we need to go | |
402 | through and fill in all the undefined tags. */ | |
403 | ||
b34976b6 | 404 | bfd_boolean |
252b5132 RH |
405 | finish_stab (dhandle, handle) |
406 | PTR dhandle; | |
407 | PTR handle; | |
408 | { | |
409 | struct stab_handle *info = (struct stab_handle *) handle; | |
410 | struct stab_tag *st; | |
411 | ||
412 | if (info->within_function) | |
413 | { | |
414 | if (! stab_emit_pending_vars (dhandle, info) | |
415 | || ! debug_end_function (dhandle, info->function_end)) | |
b34976b6 AM |
416 | return FALSE; |
417 | info->within_function = FALSE; | |
252b5132 RH |
418 | info->function_end = (bfd_vma) -1; |
419 | } | |
420 | ||
421 | for (st = info->tags; st != NULL; st = st->next) | |
422 | { | |
423 | enum debug_type_kind kind; | |
424 | ||
425 | kind = st->kind; | |
426 | if (kind == DEBUG_KIND_ILLEGAL) | |
427 | kind = DEBUG_KIND_STRUCT; | |
428 | st->slot = debug_make_undefined_tagged_type (dhandle, st->name, kind); | |
429 | if (st->slot == DEBUG_TYPE_NULL) | |
b34976b6 | 430 | return FALSE; |
252b5132 RH |
431 | } |
432 | ||
b34976b6 | 433 | return TRUE; |
252b5132 RH |
434 | } |
435 | ||
436 | /* Handle a single stabs symbol. */ | |
437 | ||
b34976b6 | 438 | bfd_boolean |
252b5132 RH |
439 | parse_stab (dhandle, handle, type, desc, value, string) |
440 | PTR dhandle; | |
441 | PTR handle; | |
442 | int type; | |
443 | int desc; | |
444 | bfd_vma value; | |
445 | const char *string; | |
446 | { | |
447 | struct stab_handle *info = (struct stab_handle *) handle; | |
448 | ||
449 | /* gcc will emit two N_SO strings per compilation unit, one for the | |
450 | directory name and one for the file name. We just collect N_SO | |
451 | strings as we see them, and start the new compilation unit when | |
452 | we see a non N_SO symbol. */ | |
453 | if (info->so_string != NULL | |
454 | && (type != N_SO || *string == '\0' || value != info->so_value)) | |
455 | { | |
456 | if (! debug_set_filename (dhandle, info->so_string)) | |
b34976b6 | 457 | return FALSE; |
252b5132 RH |
458 | info->main_filename = info->so_string; |
459 | ||
460 | info->gcc_compiled = 0; | |
b34976b6 | 461 | info->n_opt_found = FALSE; |
252b5132 RH |
462 | |
463 | /* Generally, for stabs in the symbol table, the N_LBRAC and | |
464 | N_RBRAC symbols are relative to the N_SO symbol value. */ | |
465 | if (! info->sections) | |
466 | info->file_start_offset = info->so_value; | |
467 | ||
468 | /* We need to reset the mapping from type numbers to types. We | |
469 | can't free the old mapping, because of the use of | |
470 | debug_make_indirect_type. */ | |
471 | info->files = 1; | |
472 | info->file_types = ((struct stab_types **) | |
473 | xmalloc (sizeof *info->file_types)); | |
474 | info->file_types[0] = NULL; | |
475 | ||
476 | info->so_string = NULL; | |
477 | ||
478 | /* Now process whatever type we just got. */ | |
479 | } | |
480 | ||
481 | switch (type) | |
482 | { | |
483 | case N_FN: | |
484 | case N_FN_SEQ: | |
485 | break; | |
486 | ||
487 | case N_LBRAC: | |
488 | /* Ignore extra outermost context from SunPRO cc and acc. */ | |
489 | if (info->n_opt_found && desc == 1) | |
490 | break; | |
491 | ||
492 | if (! info->within_function) | |
493 | { | |
494 | fprintf (stderr, _("N_LBRAC not within function\n")); | |
b34976b6 | 495 | return FALSE; |
252b5132 RH |
496 | } |
497 | ||
498 | /* Start an inner lexical block. */ | |
499 | if (! debug_start_block (dhandle, | |
500 | (value | |
501 | + info->file_start_offset | |
502 | + info->function_start_offset))) | |
b34976b6 | 503 | return FALSE; |
252b5132 RH |
504 | |
505 | /* Emit any pending variable definitions. */ | |
506 | if (! stab_emit_pending_vars (dhandle, info)) | |
b34976b6 | 507 | return FALSE; |
252b5132 RH |
508 | |
509 | ++info->block_depth; | |
510 | break; | |
511 | ||
512 | case N_RBRAC: | |
513 | /* Ignore extra outermost context from SunPRO cc and acc. */ | |
514 | if (info->n_opt_found && desc == 1) | |
515 | break; | |
516 | ||
517 | /* We shouldn't have any pending variable definitions here, but, | |
518 | if we do, we probably need to emit them before closing the | |
519 | block. */ | |
520 | if (! stab_emit_pending_vars (dhandle, info)) | |
b34976b6 | 521 | return FALSE; |
252b5132 RH |
522 | |
523 | /* End an inner lexical block. */ | |
524 | if (! debug_end_block (dhandle, | |
525 | (value | |
526 | + info->file_start_offset | |
527 | + info->function_start_offset))) | |
b34976b6 | 528 | return FALSE; |
252b5132 RH |
529 | |
530 | --info->block_depth; | |
531 | if (info->block_depth < 0) | |
532 | { | |
533 | fprintf (stderr, _("Too many N_RBRACs\n")); | |
b34976b6 | 534 | return FALSE; |
252b5132 RH |
535 | } |
536 | break; | |
537 | ||
538 | case N_SO: | |
539 | /* This always ends a function. */ | |
540 | if (info->within_function) | |
541 | { | |
542 | bfd_vma endval; | |
543 | ||
544 | endval = value; | |
545 | if (*string != '\0' | |
546 | && info->function_end != (bfd_vma) -1 | |
547 | && info->function_end < endval) | |
548 | endval = info->function_end; | |
549 | if (! stab_emit_pending_vars (dhandle, info) | |
550 | || ! debug_end_function (dhandle, endval)) | |
b34976b6 AM |
551 | return FALSE; |
552 | info->within_function = FALSE; | |
252b5132 RH |
553 | info->function_end = (bfd_vma) -1; |
554 | } | |
555 | ||
556 | /* An empty string is emitted by gcc at the end of a compilation | |
557 | unit. */ | |
558 | if (*string == '\0') | |
b34976b6 | 559 | return TRUE; |
252b5132 RH |
560 | |
561 | /* Just accumulate strings until we see a non N_SO symbol. If | |
562 | the string starts with a directory separator or some other | |
563 | form of absolute path specification, we discard the previously | |
564 | accumulated strings. */ | |
565 | if (info->so_string == NULL) | |
566 | info->so_string = xstrdup (string); | |
567 | else | |
568 | { | |
569 | char *f; | |
570 | ||
571 | f = info->so_string; | |
572 | ||
9f66665a | 573 | if (IS_ABSOLUTE_PATH (string)) |
252b5132 RH |
574 | info->so_string = xstrdup (string); |
575 | else | |
576 | info->so_string = concat (info->so_string, string, | |
577 | (const char *) NULL); | |
578 | free (f); | |
579 | } | |
580 | ||
581 | info->so_value = value; | |
582 | ||
583 | break; | |
584 | ||
585 | case N_SOL: | |
586 | /* Start an include file. */ | |
587 | if (! debug_start_source (dhandle, string)) | |
b34976b6 | 588 | return FALSE; |
252b5132 RH |
589 | break; |
590 | ||
591 | case N_BINCL: | |
592 | /* Start an include file which may be replaced. */ | |
593 | push_bincl (info, string, value); | |
594 | if (! debug_start_source (dhandle, string)) | |
b34976b6 | 595 | return FALSE; |
252b5132 RH |
596 | break; |
597 | ||
598 | case N_EINCL: | |
599 | /* End an N_BINCL include. */ | |
600 | if (! debug_start_source (dhandle, pop_bincl (info))) | |
b34976b6 | 601 | return FALSE; |
252b5132 RH |
602 | break; |
603 | ||
604 | case N_EXCL: | |
605 | /* This is a duplicate of a header file named by N_BINCL which | |
606 | was eliminated by the linker. */ | |
607 | if (! find_excl (info, string, value)) | |
b34976b6 | 608 | return FALSE; |
252b5132 RH |
609 | break; |
610 | ||
611 | case N_SLINE: | |
612 | if (! debug_record_line (dhandle, desc, | |
613 | value + info->function_start_offset)) | |
b34976b6 | 614 | return FALSE; |
252b5132 RH |
615 | break; |
616 | ||
617 | case N_BCOMM: | |
618 | if (! debug_start_common_block (dhandle, string)) | |
b34976b6 | 619 | return FALSE; |
252b5132 RH |
620 | break; |
621 | ||
622 | case N_ECOMM: | |
623 | if (! debug_end_common_block (dhandle, string)) | |
b34976b6 | 624 | return FALSE; |
252b5132 RH |
625 | break; |
626 | ||
627 | case N_FUN: | |
628 | if (*string == '\0') | |
629 | { | |
630 | if (info->within_function) | |
631 | { | |
632 | /* This always marks the end of a function; we don't | |
633 | need to worry about info->function_end. */ | |
634 | if (info->sections) | |
635 | value += info->function_start_offset; | |
636 | if (! stab_emit_pending_vars (dhandle, info) | |
637 | || ! debug_end_function (dhandle, value)) | |
b34976b6 AM |
638 | return FALSE; |
639 | info->within_function = FALSE; | |
252b5132 RH |
640 | info->function_end = (bfd_vma) -1; |
641 | } | |
642 | break; | |
643 | } | |
644 | ||
645 | /* A const static symbol in the .text section will have an N_FUN | |
646 | entry. We need to use these to mark the end of the function, | |
647 | in case we are looking at gcc output before it was changed to | |
648 | always emit an empty N_FUN. We can't call debug_end_function | |
649 | here, because it might be a local static symbol. */ | |
650 | if (info->within_function | |
651 | && (info->function_end == (bfd_vma) -1 | |
652 | || value < info->function_end)) | |
653 | info->function_end = value; | |
654 | ||
655 | /* Fall through. */ | |
656 | /* FIXME: gdb checks the string for N_STSYM, N_LCSYM or N_ROSYM | |
657 | symbols, and if it does not start with :S, gdb relocates the | |
658 | value to the start of the section. gcc always seems to use | |
659 | :S, so we don't worry about this. */ | |
660 | /* Fall through. */ | |
661 | default: | |
662 | { | |
663 | const char *colon; | |
664 | ||
665 | colon = strchr (string, ':'); | |
666 | if (colon != NULL | |
667 | && (colon[1] == 'f' || colon[1] == 'F')) | |
668 | { | |
669 | if (info->within_function) | |
670 | { | |
671 | bfd_vma endval; | |
672 | ||
673 | endval = value; | |
674 | if (info->function_end != (bfd_vma) -1 | |
675 | && info->function_end < endval) | |
676 | endval = info->function_end; | |
677 | if (! stab_emit_pending_vars (dhandle, info) | |
678 | || ! debug_end_function (dhandle, endval)) | |
b34976b6 | 679 | return FALSE; |
252b5132 RH |
680 | info->function_end = (bfd_vma) -1; |
681 | } | |
682 | /* For stabs in sections, line numbers and block addresses | |
683 | are offsets from the start of the function. */ | |
684 | if (info->sections) | |
685 | info->function_start_offset = value; | |
b34976b6 | 686 | info->within_function = TRUE; |
252b5132 RH |
687 | } |
688 | ||
689 | if (! parse_stab_string (dhandle, info, type, desc, value, string)) | |
b34976b6 | 690 | return FALSE; |
252b5132 RH |
691 | } |
692 | break; | |
693 | ||
694 | case N_OPT: | |
695 | if (string != NULL && strcmp (string, "gcc2_compiled.") == 0) | |
696 | info->gcc_compiled = 2; | |
697 | else if (string != NULL && strcmp (string, "gcc_compiled.") == 0) | |
698 | info->gcc_compiled = 1; | |
699 | else | |
b34976b6 | 700 | info->n_opt_found = TRUE; |
252b5132 RH |
701 | break; |
702 | ||
703 | case N_OBJ: | |
704 | case N_ENDM: | |
705 | case N_MAIN: | |
8855cbca | 706 | case N_WARNING: |
252b5132 RH |
707 | break; |
708 | } | |
709 | ||
b34976b6 | 710 | return TRUE; |
252b5132 RH |
711 | } |
712 | ||
713 | /* Parse the stabs string. */ | |
714 | ||
b34976b6 | 715 | static bfd_boolean |
252b5132 RH |
716 | parse_stab_string (dhandle, info, stabtype, desc, value, string) |
717 | PTR dhandle; | |
718 | struct stab_handle *info; | |
719 | int stabtype; | |
720 | int desc; | |
721 | bfd_vma value; | |
722 | const char *string; | |
723 | { | |
724 | const char *p; | |
725 | char *name; | |
726 | int type; | |
727 | debug_type dtype; | |
b34976b6 AM |
728 | bfd_boolean synonym; |
729 | bfd_boolean self_crossref; | |
252b5132 RH |
730 | unsigned int lineno; |
731 | debug_type *slot; | |
732 | ||
733 | p = strchr (string, ':'); | |
734 | if (p == NULL) | |
b34976b6 | 735 | return TRUE; |
252b5132 RH |
736 | |
737 | while (p[1] == ':') | |
738 | { | |
739 | p += 2; | |
740 | p = strchr (p, ':'); | |
741 | if (p == NULL) | |
742 | { | |
743 | bad_stab (string); | |
b34976b6 | 744 | return FALSE; |
252b5132 RH |
745 | } |
746 | } | |
747 | ||
748 | /* GCC 2.x puts the line number in desc. SunOS apparently puts in | |
749 | the number of bytes occupied by a type or object, which we | |
750 | ignore. */ | |
751 | if (info->gcc_compiled >= 2) | |
752 | lineno = desc; | |
753 | else | |
754 | lineno = 0; | |
755 | ||
756 | /* FIXME: Sometimes the special C++ names start with '.'. */ | |
757 | name = NULL; | |
758 | if (string[0] == '$') | |
759 | { | |
760 | switch (string[1]) | |
761 | { | |
762 | case 't': | |
763 | name = "this"; | |
764 | break; | |
765 | case 'v': | |
766 | /* Was: name = "vptr"; */ | |
767 | break; | |
768 | case 'e': | |
769 | name = "eh_throw"; | |
770 | break; | |
771 | case '_': | |
772 | /* This was an anonymous type that was never fixed up. */ | |
773 | break; | |
774 | case 'X': | |
775 | /* SunPRO (3.0 at least) static variable encoding. */ | |
776 | break; | |
777 | default: | |
778 | warn_stab (string, _("unknown C++ encoded name")); | |
779 | break; | |
780 | } | |
781 | } | |
782 | ||
783 | if (name == NULL) | |
784 | { | |
785 | if (p == string || (string[0] == ' ' && p == string + 1)) | |
786 | name = NULL; | |
787 | else | |
788 | name = savestring (string, p - string); | |
789 | } | |
790 | ||
791 | ++p; | |
3882b010 | 792 | if (ISDIGIT (*p) || *p == '(' || *p == '-') |
252b5132 RH |
793 | type = 'l'; |
794 | else | |
795 | type = *p++; | |
796 | ||
797 | switch (type) | |
798 | { | |
799 | case 'c': | |
800 | /* c is a special case, not followed by a type-number. | |
801 | SYMBOL:c=iVALUE for an integer constant symbol. | |
802 | SYMBOL:c=rVALUE for a floating constant symbol. | |
803 | SYMBOL:c=eTYPE,INTVALUE for an enum constant symbol. | |
804 | e.g. "b:c=e6,0" for "const b = blob1" | |
805 | (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */ | |
806 | if (*p != '=') | |
807 | { | |
808 | bad_stab (string); | |
b34976b6 | 809 | return FALSE; |
252b5132 RH |
810 | } |
811 | ++p; | |
812 | switch (*p++) | |
813 | { | |
814 | case 'r': | |
815 | /* Floating point constant. */ | |
816 | if (! debug_record_float_const (dhandle, name, atof (p))) | |
b34976b6 | 817 | return FALSE; |
252b5132 RH |
818 | break; |
819 | case 'i': | |
820 | /* Integer constant. */ | |
821 | /* Defining integer constants this way is kind of silly, | |
822 | since 'e' constants allows the compiler to give not only | |
823 | the value, but the type as well. C has at least int, | |
824 | long, unsigned int, and long long as constant types; | |
825 | other languages probably should have at least unsigned as | |
826 | well as signed constants. */ | |
827 | if (! debug_record_int_const (dhandle, name, atoi (p))) | |
b34976b6 | 828 | return FALSE; |
252b5132 RH |
829 | break; |
830 | case 'e': | |
831 | /* SYMBOL:c=eTYPE,INTVALUE for a constant symbol whose value | |
832 | can be represented as integral. | |
833 | e.g. "b:c=e6,0" for "const b = blob1" | |
834 | (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */ | |
835 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
836 | &p, (debug_type **) NULL); | |
837 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 838 | return FALSE; |
252b5132 RH |
839 | if (*p != ',') |
840 | { | |
841 | bad_stab (string); | |
b34976b6 | 842 | return FALSE; |
252b5132 RH |
843 | } |
844 | if (! debug_record_typed_const (dhandle, name, dtype, atoi (p))) | |
b34976b6 | 845 | return FALSE; |
252b5132 RH |
846 | break; |
847 | default: | |
848 | bad_stab (string); | |
b34976b6 | 849 | return FALSE; |
252b5132 RH |
850 | } |
851 | ||
852 | break; | |
853 | ||
854 | case 'C': | |
855 | /* The name of a caught exception. */ | |
856 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
857 | &p, (debug_type **) NULL); | |
858 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 859 | return FALSE; |
252b5132 | 860 | if (! debug_record_label (dhandle, name, dtype, value)) |
b34976b6 | 861 | return FALSE; |
252b5132 RH |
862 | break; |
863 | ||
864 | case 'f': | |
865 | case 'F': | |
866 | /* A function definition. */ | |
867 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
868 | (debug_type **) NULL); | |
869 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 870 | return FALSE; |
252b5132 | 871 | if (! debug_record_function (dhandle, name, dtype, type == 'F', value)) |
b34976b6 | 872 | return FALSE; |
252b5132 RH |
873 | |
874 | /* Sun acc puts declared types of arguments here. We don't care | |
875 | about their actual types (FIXME -- we should remember the whole | |
876 | function prototype), but the list may define some new types | |
877 | that we have to remember, so we must scan it now. */ | |
878 | while (*p == ';') | |
879 | { | |
880 | ++p; | |
881 | if (parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
882 | (debug_type **) NULL) | |
883 | == DEBUG_TYPE_NULL) | |
b34976b6 | 884 | return FALSE; |
252b5132 RH |
885 | } |
886 | ||
887 | break; | |
888 | ||
889 | case 'G': | |
890 | { | |
891 | char leading; | |
892 | long c; | |
893 | asymbol **ps; | |
894 | ||
895 | /* A global symbol. The value must be extracted from the | |
896 | symbol table. */ | |
897 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
898 | (debug_type **) NULL); | |
899 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 900 | return FALSE; |
252b5132 RH |
901 | leading = bfd_get_symbol_leading_char (info->abfd); |
902 | for (c = info->symcount, ps = info->syms; c > 0; --c, ++ps) | |
903 | { | |
904 | const char *n; | |
905 | ||
906 | n = bfd_asymbol_name (*ps); | |
907 | if (leading != '\0' && *n == leading) | |
908 | ++n; | |
909 | if (*n == *name && strcmp (n, name) == 0) | |
910 | break; | |
911 | } | |
912 | if (c > 0) | |
913 | value = bfd_asymbol_value (*ps); | |
914 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_GLOBAL, | |
915 | value)) | |
b34976b6 | 916 | return FALSE; |
252b5132 RH |
917 | } |
918 | break; | |
919 | ||
920 | /* This case is faked by a conditional above, when there is no | |
921 | code letter in the dbx data. Dbx data never actually | |
922 | contains 'l'. */ | |
923 | case 'l': | |
924 | case 's': | |
925 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
926 | (debug_type **) NULL); | |
927 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 928 | return FALSE; |
252b5132 RH |
929 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_LOCAL, |
930 | value)) | |
b34976b6 | 931 | return FALSE; |
252b5132 RH |
932 | break; |
933 | ||
934 | case 'p': | |
935 | /* A function parameter. */ | |
936 | if (*p != 'F') | |
937 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
938 | (debug_type **) NULL); | |
939 | else | |
940 | { | |
941 | /* pF is a two-letter code that means a function parameter in | |
942 | Fortran. The type-number specifies the type of the return | |
943 | value. Translate it into a pointer-to-function type. */ | |
944 | ++p; | |
945 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
946 | (debug_type **) NULL); | |
947 | if (dtype != DEBUG_TYPE_NULL) | |
948 | { | |
949 | debug_type ftype; | |
950 | ||
951 | ftype = debug_make_function_type (dhandle, dtype, | |
b34976b6 | 952 | (debug_type *) NULL, FALSE); |
252b5132 RH |
953 | dtype = debug_make_pointer_type (dhandle, ftype); |
954 | } | |
955 | } | |
956 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 957 | return FALSE; |
252b5132 RH |
958 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_STACK, |
959 | value)) | |
b34976b6 | 960 | return FALSE; |
252b5132 RH |
961 | |
962 | /* FIXME: At this point gdb considers rearranging the parameter | |
963 | address on a big endian machine if it is smaller than an int. | |
964 | We have no way to do that, since we don't really know much | |
965 | about the target. */ | |
966 | ||
967 | break; | |
968 | ||
969 | case 'P': | |
970 | if (stabtype == N_FUN) | |
971 | { | |
972 | /* Prototype of a function referenced by this file. */ | |
973 | while (*p == ';') | |
974 | { | |
975 | ++p; | |
976 | if (parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
977 | (debug_type **) NULL) | |
978 | == DEBUG_TYPE_NULL) | |
b34976b6 | 979 | return FALSE; |
252b5132 RH |
980 | } |
981 | break; | |
982 | } | |
983 | /* Fall through. */ | |
984 | case 'R': | |
985 | /* Parameter which is in a register. */ | |
986 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
987 | (debug_type **) NULL); | |
988 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 989 | return FALSE; |
252b5132 RH |
990 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REG, |
991 | value)) | |
b34976b6 | 992 | return FALSE; |
252b5132 RH |
993 | break; |
994 | ||
995 | case 'r': | |
996 | /* Register variable (either global or local). */ | |
997 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
998 | (debug_type **) NULL); | |
999 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1000 | return FALSE; |
252b5132 RH |
1001 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_REGISTER, |
1002 | value)) | |
b34976b6 | 1003 | return FALSE; |
252b5132 RH |
1004 | |
1005 | /* FIXME: At this point gdb checks to combine pairs of 'p' and | |
1006 | 'r' stabs into a single 'P' stab. */ | |
1007 | ||
1008 | break; | |
1009 | ||
1010 | case 'S': | |
1011 | /* Static symbol at top level of file */ | |
1012 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1013 | (debug_type **) NULL); | |
1014 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1015 | return FALSE; |
252b5132 RH |
1016 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_STATIC, |
1017 | value)) | |
b34976b6 | 1018 | return FALSE; |
252b5132 RH |
1019 | break; |
1020 | ||
1021 | case 't': | |
1022 | /* A typedef. */ | |
1023 | dtype = parse_stab_type (dhandle, info, name, &p, &slot); | |
1024 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1025 | return FALSE; |
252b5132 RH |
1026 | if (name == NULL) |
1027 | { | |
1028 | /* A nameless type. Nothing to do. */ | |
b34976b6 | 1029 | return TRUE; |
252b5132 RH |
1030 | } |
1031 | ||
1032 | dtype = debug_name_type (dhandle, name, dtype); | |
1033 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1034 | return FALSE; |
252b5132 RH |
1035 | |
1036 | if (slot != NULL) | |
1037 | *slot = dtype; | |
1038 | ||
1039 | break; | |
1040 | ||
1041 | case 'T': | |
1042 | /* Struct, union, or enum tag. For GNU C++, this can be be followed | |
1043 | by 't' which means we are typedef'ing it as well. */ | |
1044 | if (*p != 't') | |
1045 | { | |
b34976b6 AM |
1046 | synonym = FALSE; |
1047 | /* FIXME: gdb sets synonym to TRUE if the current language | |
252b5132 RH |
1048 | is C++. */ |
1049 | } | |
1050 | else | |
1051 | { | |
b34976b6 | 1052 | synonym = TRUE; |
252b5132 RH |
1053 | ++p; |
1054 | } | |
1055 | ||
1056 | dtype = parse_stab_type (dhandle, info, name, &p, &slot); | |
1057 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1058 | return FALSE; |
252b5132 | 1059 | if (name == NULL) |
b34976b6 | 1060 | return TRUE; |
252b5132 RH |
1061 | |
1062 | /* INFO->SELF_CROSSREF is set by parse_stab_type if this type is | |
1063 | a cross reference to itself. These are generated by some | |
1064 | versions of g++. */ | |
1065 | self_crossref = info->self_crossref; | |
1066 | ||
1067 | dtype = debug_tag_type (dhandle, name, dtype); | |
1068 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1069 | return FALSE; |
252b5132 RH |
1070 | if (slot != NULL) |
1071 | *slot = dtype; | |
1072 | ||
1073 | /* See if we have a cross reference to this tag which we can now | |
1074 | fill in. Avoid filling in a cross reference to ourselves, | |
1075 | because that would lead to circular debugging information. */ | |
1076 | if (! self_crossref) | |
1077 | { | |
1078 | register struct stab_tag **pst; | |
1079 | ||
1080 | for (pst = &info->tags; *pst != NULL; pst = &(*pst)->next) | |
1081 | { | |
1082 | if ((*pst)->name[0] == name[0] | |
1083 | && strcmp ((*pst)->name, name) == 0) | |
1084 | { | |
1085 | (*pst)->slot = dtype; | |
1086 | *pst = (*pst)->next; | |
1087 | break; | |
1088 | } | |
1089 | } | |
1090 | } | |
1091 | ||
1092 | if (synonym) | |
1093 | { | |
1094 | dtype = debug_name_type (dhandle, name, dtype); | |
1095 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1096 | return FALSE; |
252b5132 RH |
1097 | |
1098 | if (slot != NULL) | |
1099 | *slot = dtype; | |
1100 | } | |
1101 | ||
1102 | break; | |
1103 | ||
1104 | case 'V': | |
1105 | /* Static symbol of local scope */ | |
1106 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1107 | (debug_type **) NULL); | |
1108 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1109 | return FALSE; |
252b5132 RH |
1110 | /* FIXME: gdb checks os9k_stabs here. */ |
1111 | if (! stab_record_variable (dhandle, info, name, dtype, | |
1112 | DEBUG_LOCAL_STATIC, value)) | |
b34976b6 | 1113 | return FALSE; |
252b5132 RH |
1114 | break; |
1115 | ||
1116 | case 'v': | |
1117 | /* Reference parameter. */ | |
1118 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1119 | (debug_type **) NULL); | |
1120 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1121 | return FALSE; |
252b5132 RH |
1122 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REFERENCE, |
1123 | value)) | |
b34976b6 | 1124 | return FALSE; |
252b5132 RH |
1125 | break; |
1126 | ||
1127 | case 'a': | |
1128 | /* Reference parameter which is in a register. */ | |
1129 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1130 | (debug_type **) NULL); | |
1131 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1132 | return FALSE; |
252b5132 RH |
1133 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REF_REG, |
1134 | value)) | |
b34976b6 | 1135 | return FALSE; |
252b5132 RH |
1136 | break; |
1137 | ||
1138 | case 'X': | |
1139 | /* This is used by Sun FORTRAN for "function result value". | |
1140 | Sun claims ("dbx and dbxtool interfaces", 2nd ed) | |
1141 | that Pascal uses it too, but when I tried it Pascal used | |
1142 | "x:3" (local symbol) instead. */ | |
1143 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1144 | (debug_type **) NULL); | |
1145 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1146 | return FALSE; |
252b5132 RH |
1147 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_LOCAL, |
1148 | value)) | |
b34976b6 | 1149 | return FALSE; |
252b5132 RH |
1150 | break; |
1151 | ||
1152 | default: | |
1153 | bad_stab (string); | |
b34976b6 | 1154 | return FALSE; |
252b5132 RH |
1155 | } |
1156 | ||
1157 | /* FIXME: gdb converts structure values to structure pointers in a | |
1158 | couple of cases, depending upon the target. */ | |
1159 | ||
b34976b6 | 1160 | return TRUE; |
252b5132 RH |
1161 | } |
1162 | ||
1163 | /* Parse a stabs type. The typename argument is non-NULL if this is a | |
1164 | typedef or a tag definition. The pp argument points to the stab | |
1165 | string, and is updated. The slotp argument points to a place to | |
1166 | store the slot used if the type is being defined. */ | |
1167 | ||
1168 | static debug_type | |
1169 | parse_stab_type (dhandle, info, typename, pp, slotp) | |
1170 | PTR dhandle; | |
1171 | struct stab_handle *info; | |
1172 | const char *typename; | |
1173 | const char **pp; | |
1174 | debug_type **slotp; | |
1175 | { | |
1176 | const char *orig; | |
1177 | int typenums[2]; | |
1178 | int size; | |
b34976b6 | 1179 | bfd_boolean stringp; |
252b5132 RH |
1180 | int descriptor; |
1181 | debug_type dtype; | |
1182 | ||
1183 | if (slotp != NULL) | |
1184 | *slotp = NULL; | |
1185 | ||
1186 | orig = *pp; | |
1187 | ||
1188 | size = -1; | |
b34976b6 | 1189 | stringp = FALSE; |
252b5132 | 1190 | |
b34976b6 | 1191 | info->self_crossref = FALSE; |
252b5132 RH |
1192 | |
1193 | /* Read type number if present. The type number may be omitted. | |
1194 | for instance in a two-dimensional array declared with type | |
1195 | "ar1;1;10;ar1;1;10;4". */ | |
3882b010 | 1196 | if (! ISDIGIT (**pp) && **pp != '(' && **pp != '-') |
252b5132 RH |
1197 | { |
1198 | /* 'typenums=' not present, type is anonymous. Read and return | |
1199 | the definition, but don't put it in the type vector. */ | |
1200 | typenums[0] = typenums[1] = -1; | |
1201 | } | |
1202 | else | |
1203 | { | |
1204 | if (! parse_stab_type_number (pp, typenums)) | |
1205 | return DEBUG_TYPE_NULL; | |
1206 | ||
1207 | if (**pp != '=') | |
1208 | { | |
1209 | /* Type is not being defined here. Either it already | |
1210 | exists, or this is a forward reference to it. */ | |
1211 | return stab_find_type (dhandle, info, typenums); | |
1212 | } | |
1213 | ||
1214 | /* Only set the slot if the type is being defined. This means | |
1215 | that the mapping from type numbers to types will only record | |
1216 | the name of the typedef which defines a type. If we don't do | |
1217 | this, then something like | |
1218 | typedef int foo; | |
1219 | int i; | |
1220 | will record that i is of type foo. Unfortunately, stabs | |
1221 | information is ambiguous about variable types. For this code, | |
1222 | typedef int foo; | |
1223 | int i; | |
1224 | foo j; | |
1225 | the stabs information records both i and j as having the same | |
1226 | type. This could be fixed by patching the compiler. */ | |
1227 | if (slotp != NULL && typenums[0] >= 0 && typenums[1] >= 0) | |
1228 | *slotp = stab_find_slot (info, typenums); | |
1229 | ||
1230 | /* Type is being defined here. */ | |
1231 | /* Skip the '='. */ | |
1232 | ++*pp; | |
1233 | ||
1234 | while (**pp == '@') | |
1235 | { | |
1236 | const char *p = *pp + 1; | |
1237 | const char *attr; | |
1238 | ||
3882b010 | 1239 | if (ISDIGIT (*p) || *p == '(' || *p == '-') |
252b5132 RH |
1240 | { |
1241 | /* Member type. */ | |
1242 | break; | |
1243 | } | |
1244 | ||
1245 | /* Type attributes. */ | |
1246 | attr = p; | |
1247 | ||
1248 | for (; *p != ';'; ++p) | |
1249 | { | |
1250 | if (*p == '\0') | |
1251 | { | |
1252 | bad_stab (orig); | |
1253 | return DEBUG_TYPE_NULL; | |
1254 | } | |
1255 | } | |
1256 | *pp = p + 1; | |
1257 | ||
1258 | switch (*attr) | |
1259 | { | |
1260 | case 's': | |
1261 | size = atoi (attr + 1); | |
944e5c61 | 1262 | size /= 8; /* Size is in bits. We store it in bytes. */ |
252b5132 RH |
1263 | if (size <= 0) |
1264 | size = -1; | |
1265 | break; | |
1266 | ||
1267 | case 'S': | |
b34976b6 | 1268 | stringp = TRUE; |
252b5132 RH |
1269 | break; |
1270 | ||
1271 | default: | |
1272 | /* Ignore unrecognized type attributes, so future | |
1273 | compilers can invent new ones. */ | |
1274 | break; | |
1275 | } | |
1276 | } | |
1277 | } | |
1278 | ||
1279 | descriptor = **pp; | |
1280 | ++*pp; | |
1281 | ||
1282 | switch (descriptor) | |
1283 | { | |
1284 | case 'x': | |
1285 | { | |
1286 | enum debug_type_kind code; | |
1287 | const char *q1, *q2, *p; | |
1288 | ||
1289 | /* A cross reference to another type. */ | |
1290 | ||
1291 | switch (**pp) | |
1292 | { | |
1293 | case 's': | |
1294 | code = DEBUG_KIND_STRUCT; | |
1295 | break; | |
1296 | case 'u': | |
1297 | code = DEBUG_KIND_UNION; | |
1298 | break; | |
1299 | case 'e': | |
1300 | code = DEBUG_KIND_ENUM; | |
1301 | break; | |
1302 | default: | |
1303 | /* Complain and keep going, so compilers can invent new | |
1304 | cross-reference types. */ | |
1305 | warn_stab (orig, _("unrecognized cross reference type")); | |
1306 | code = DEBUG_KIND_STRUCT; | |
1307 | break; | |
1308 | } | |
1309 | ++*pp; | |
1310 | ||
1311 | q1 = strchr (*pp, '<'); | |
1312 | p = strchr (*pp, ':'); | |
1313 | if (p == NULL) | |
1314 | { | |
1315 | bad_stab (orig); | |
1316 | return DEBUG_TYPE_NULL; | |
1317 | } | |
c602a165 | 1318 | if (q1 != NULL && p > q1 && p[1] == ':') |
252b5132 | 1319 | { |
c602a165 ILT |
1320 | int nest = 0; |
1321 | ||
1322 | for (q2 = q1; *q2 != '\0'; ++q2) | |
1323 | { | |
1324 | if (*q2 == '<') | |
1325 | ++nest; | |
1326 | else if (*q2 == '>') | |
1327 | --nest; | |
1328 | else if (*q2 == ':' && nest == 0) | |
1329 | break; | |
1330 | } | |
1331 | p = q2; | |
1332 | if (*p != ':') | |
252b5132 RH |
1333 | { |
1334 | bad_stab (orig); | |
1335 | return DEBUG_TYPE_NULL; | |
1336 | } | |
1337 | } | |
1338 | ||
1339 | /* Some versions of g++ can emit stabs like | |
1340 | fleep:T20=xsfleep: | |
1341 | which define structures in terms of themselves. We need to | |
1342 | tell the caller to avoid building a circular structure. */ | |
1343 | if (typename != NULL | |
1344 | && strncmp (typename, *pp, p - *pp) == 0 | |
1345 | && typename[p - *pp] == '\0') | |
b34976b6 | 1346 | info->self_crossref = TRUE; |
252b5132 RH |
1347 | |
1348 | dtype = stab_find_tagged_type (dhandle, info, *pp, p - *pp, code); | |
1349 | ||
1350 | *pp = p + 1; | |
1351 | } | |
1352 | break; | |
1353 | ||
1354 | case '-': | |
1355 | case '0': | |
1356 | case '1': | |
1357 | case '2': | |
1358 | case '3': | |
1359 | case '4': | |
1360 | case '5': | |
1361 | case '6': | |
1362 | case '7': | |
1363 | case '8': | |
1364 | case '9': | |
1365 | case '(': | |
1366 | { | |
1367 | const char *hold; | |
1368 | int xtypenums[2]; | |
1369 | ||
1370 | /* This type is defined as another type. */ | |
1371 | ||
1372 | (*pp)--; | |
1373 | hold = *pp; | |
1374 | ||
1375 | /* Peek ahead at the number to detect void. */ | |
1376 | if (! parse_stab_type_number (pp, xtypenums)) | |
1377 | return DEBUG_TYPE_NULL; | |
1378 | ||
1379 | if (typenums[0] == xtypenums[0] && typenums[1] == xtypenums[1]) | |
1380 | { | |
1381 | /* This type is being defined as itself, which means that | |
1382 | it is void. */ | |
1383 | dtype = debug_make_void_type (dhandle); | |
1384 | } | |
1385 | else | |
1386 | { | |
1387 | *pp = hold; | |
1388 | ||
1389 | /* Go back to the number and have parse_stab_type get it. | |
1390 | This means that we can deal with something like | |
1391 | t(1,2)=(3,4)=... which the Lucid compiler uses. */ | |
1392 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
1393 | pp, (debug_type **) NULL); | |
1394 | if (dtype == DEBUG_TYPE_NULL) | |
1395 | return DEBUG_TYPE_NULL; | |
1396 | } | |
1397 | ||
1398 | if (typenums[0] != -1) | |
1399 | { | |
1400 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1401 | return DEBUG_TYPE_NULL; | |
1402 | } | |
1403 | ||
1404 | break; | |
1405 | } | |
1406 | ||
1407 | case '*': | |
1408 | dtype = debug_make_pointer_type (dhandle, | |
1409 | parse_stab_type (dhandle, info, | |
1410 | (const char *) NULL, | |
1411 | pp, | |
1412 | (debug_type **) NULL)); | |
1413 | break; | |
1414 | ||
1415 | case '&': | |
1416 | /* Reference to another type. */ | |
1417 | dtype = (debug_make_reference_type | |
1418 | (dhandle, | |
1419 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1420 | (debug_type **) NULL))); | |
1421 | break; | |
1422 | ||
1423 | case 'f': | |
1424 | /* Function returning another type. */ | |
1425 | /* FIXME: gdb checks os9k_stabs here. */ | |
1426 | dtype = (debug_make_function_type | |
1427 | (dhandle, | |
1428 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1429 | (debug_type **) NULL), | |
b34976b6 | 1430 | (debug_type *) NULL, FALSE)); |
252b5132 RH |
1431 | break; |
1432 | ||
1433 | case 'k': | |
1434 | /* Const qualifier on some type (Sun). */ | |
1435 | /* FIXME: gdb accepts 'c' here if os9k_stabs. */ | |
1436 | dtype = debug_make_const_type (dhandle, | |
1437 | parse_stab_type (dhandle, info, | |
1438 | (const char *) NULL, | |
1439 | pp, | |
1440 | (debug_type **) NULL)); | |
1441 | break; | |
1442 | ||
1443 | case 'B': | |
1444 | /* Volatile qual on some type (Sun). */ | |
1445 | /* FIXME: gdb accepts 'i' here if os9k_stabs. */ | |
1446 | dtype = (debug_make_volatile_type | |
1447 | (dhandle, | |
1448 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1449 | (debug_type **) NULL))); | |
1450 | break; | |
1451 | ||
1452 | case '@': | |
1453 | /* Offset (class & variable) type. This is used for a pointer | |
1454 | relative to an object. */ | |
1455 | { | |
1456 | debug_type domain; | |
1457 | debug_type memtype; | |
1458 | ||
1459 | /* Member type. */ | |
1460 | ||
1461 | domain = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1462 | (debug_type **) NULL); | |
1463 | if (domain == DEBUG_TYPE_NULL) | |
1464 | return DEBUG_TYPE_NULL; | |
1465 | ||
1466 | if (**pp != ',') | |
1467 | { | |
1468 | bad_stab (orig); | |
1469 | return DEBUG_TYPE_NULL; | |
1470 | } | |
1471 | ++*pp; | |
1472 | ||
1473 | memtype = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1474 | (debug_type **) NULL); | |
1475 | if (memtype == DEBUG_TYPE_NULL) | |
1476 | return DEBUG_TYPE_NULL; | |
1477 | ||
1478 | dtype = debug_make_offset_type (dhandle, domain, memtype); | |
1479 | } | |
1480 | break; | |
1481 | ||
1482 | case '#': | |
1483 | /* Method (class & fn) type. */ | |
1484 | if (**pp == '#') | |
1485 | { | |
1486 | debug_type return_type; | |
1487 | ||
1488 | ++*pp; | |
1489 | return_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1490 | pp, (debug_type **) NULL); | |
1491 | if (return_type == DEBUG_TYPE_NULL) | |
1492 | return DEBUG_TYPE_NULL; | |
1493 | if (**pp != ';') | |
1494 | { | |
1495 | bad_stab (orig); | |
1496 | return DEBUG_TYPE_NULL; | |
1497 | } | |
1498 | ++*pp; | |
1499 | dtype = debug_make_method_type (dhandle, return_type, | |
1500 | DEBUG_TYPE_NULL, | |
b34976b6 | 1501 | (debug_type *) NULL, FALSE); |
252b5132 RH |
1502 | } |
1503 | else | |
1504 | { | |
1505 | debug_type domain; | |
1506 | debug_type return_type; | |
1507 | debug_type *args; | |
1508 | unsigned int n; | |
1509 | unsigned int alloc; | |
b34976b6 | 1510 | bfd_boolean varargs; |
252b5132 RH |
1511 | |
1512 | domain = parse_stab_type (dhandle, info, (const char *) NULL, | |
1513 | pp, (debug_type **) NULL); | |
1514 | if (domain == DEBUG_TYPE_NULL) | |
1515 | return DEBUG_TYPE_NULL; | |
1516 | ||
1517 | if (**pp != ',') | |
1518 | { | |
1519 | bad_stab (orig); | |
1520 | return DEBUG_TYPE_NULL; | |
1521 | } | |
1522 | ++*pp; | |
1523 | ||
1524 | return_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1525 | pp, (debug_type **) NULL); | |
1526 | if (return_type == DEBUG_TYPE_NULL) | |
1527 | return DEBUG_TYPE_NULL; | |
1528 | ||
1529 | alloc = 10; | |
1530 | args = (debug_type *) xmalloc (alloc * sizeof *args); | |
1531 | n = 0; | |
1532 | while (**pp != ';') | |
1533 | { | |
1534 | if (**pp != ',') | |
1535 | { | |
1536 | bad_stab (orig); | |
1537 | return DEBUG_TYPE_NULL; | |
1538 | } | |
1539 | ++*pp; | |
1540 | ||
1541 | if (n + 1 >= alloc) | |
1542 | { | |
1543 | alloc += 10; | |
1544 | args = ((debug_type *) | |
1545 | xrealloc ((PTR) args, alloc * sizeof *args)); | |
1546 | } | |
1547 | ||
1548 | args[n] = parse_stab_type (dhandle, info, (const char *) NULL, | |
1549 | pp, (debug_type **) NULL); | |
1550 | if (args[n] == DEBUG_TYPE_NULL) | |
1551 | return DEBUG_TYPE_NULL; | |
1552 | ++n; | |
1553 | } | |
1554 | ++*pp; | |
1555 | ||
1556 | /* If the last type is not void, then this function takes a | |
1557 | variable number of arguments. Otherwise, we must strip | |
1558 | the void type. */ | |
1559 | if (n == 0 | |
1560 | || debug_get_type_kind (dhandle, args[n - 1]) != DEBUG_KIND_VOID) | |
b34976b6 | 1561 | varargs = TRUE; |
252b5132 RH |
1562 | else |
1563 | { | |
1564 | --n; | |
b34976b6 | 1565 | varargs = FALSE; |
252b5132 RH |
1566 | } |
1567 | ||
1568 | args[n] = DEBUG_TYPE_NULL; | |
1569 | ||
1570 | dtype = debug_make_method_type (dhandle, return_type, domain, args, | |
1571 | varargs); | |
1572 | } | |
1573 | break; | |
1574 | ||
1575 | case 'r': | |
1576 | /* Range type. */ | |
1577 | dtype = parse_stab_range_type (dhandle, info, typename, pp, typenums); | |
1578 | break; | |
1579 | ||
1580 | case 'b': | |
1581 | /* FIXME: gdb checks os9k_stabs here. */ | |
1582 | /* Sun ACC builtin int type. */ | |
1583 | dtype = parse_stab_sun_builtin_type (dhandle, pp); | |
1584 | break; | |
1585 | ||
1586 | case 'R': | |
1587 | /* Sun ACC builtin float type. */ | |
1588 | dtype = parse_stab_sun_floating_type (dhandle, pp); | |
1589 | break; | |
1590 | ||
1591 | case 'e': | |
1592 | /* Enumeration type. */ | |
1593 | dtype = parse_stab_enum_type (dhandle, pp); | |
1594 | break; | |
1595 | ||
1596 | case 's': | |
1597 | case 'u': | |
1598 | /* Struct or union type. */ | |
1599 | dtype = parse_stab_struct_type (dhandle, info, typename, pp, | |
1600 | descriptor == 's', typenums); | |
1601 | break; | |
1602 | ||
1603 | case 'a': | |
1604 | /* Array type. */ | |
1605 | if (**pp != 'r') | |
1606 | { | |
1607 | bad_stab (orig); | |
1608 | return DEBUG_TYPE_NULL; | |
1609 | } | |
1610 | ++*pp; | |
1611 | ||
1612 | dtype = parse_stab_array_type (dhandle, info, pp, stringp); | |
1613 | break; | |
1614 | ||
1615 | case 'S': | |
1616 | dtype = debug_make_set_type (dhandle, | |
1617 | parse_stab_type (dhandle, info, | |
1618 | (const char *) NULL, | |
1619 | pp, | |
1620 | (debug_type **) NULL), | |
1621 | stringp); | |
1622 | break; | |
1623 | ||
1624 | default: | |
1625 | bad_stab (orig); | |
1626 | return DEBUG_TYPE_NULL; | |
1627 | } | |
1628 | ||
1629 | if (dtype == DEBUG_TYPE_NULL) | |
1630 | return DEBUG_TYPE_NULL; | |
1631 | ||
1632 | if (typenums[0] != -1) | |
1633 | { | |
1634 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1635 | return DEBUG_TYPE_NULL; | |
1636 | } | |
1637 | ||
1638 | if (size != -1) | |
1639 | { | |
1640 | if (! debug_record_type_size (dhandle, dtype, (unsigned int) size)) | |
3dceb55b | 1641 | return DEBUG_TYPE_NULL; |
252b5132 RH |
1642 | } |
1643 | ||
1644 | return dtype; | |
1645 | } | |
1646 | ||
1647 | /* Read a number by which a type is referred to in dbx data, or | |
1648 | perhaps read a pair (FILENUM, TYPENUM) in parentheses. Just a | |
1649 | single number N is equivalent to (0,N). Return the two numbers by | |
1650 | storing them in the vector TYPENUMS. */ | |
1651 | ||
b34976b6 | 1652 | static bfd_boolean |
252b5132 RH |
1653 | parse_stab_type_number (pp, typenums) |
1654 | const char **pp; | |
1655 | int *typenums; | |
1656 | { | |
1657 | const char *orig; | |
1658 | ||
1659 | orig = *pp; | |
1660 | ||
1661 | if (**pp != '(') | |
1662 | { | |
1663 | typenums[0] = 0; | |
b34976b6 | 1664 | typenums[1] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1665 | } |
1666 | else | |
1667 | { | |
1668 | ++*pp; | |
b34976b6 | 1669 | typenums[0] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1670 | if (**pp != ',') |
1671 | { | |
1672 | bad_stab (orig); | |
b34976b6 | 1673 | return FALSE; |
252b5132 RH |
1674 | } |
1675 | ++*pp; | |
b34976b6 | 1676 | typenums[1] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1677 | if (**pp != ')') |
1678 | { | |
1679 | bad_stab (orig); | |
b34976b6 | 1680 | return FALSE; |
252b5132 RH |
1681 | } |
1682 | ++*pp; | |
1683 | } | |
1684 | ||
b34976b6 | 1685 | return TRUE; |
252b5132 RH |
1686 | } |
1687 | ||
1688 | /* Parse a range type. */ | |
1689 | ||
1690 | static debug_type | |
1691 | parse_stab_range_type (dhandle, info, typename, pp, typenums) | |
1692 | PTR dhandle; | |
1693 | struct stab_handle *info; | |
1694 | const char *typename; | |
1695 | const char **pp; | |
1696 | const int *typenums; | |
1697 | { | |
1698 | const char *orig; | |
1699 | int rangenums[2]; | |
b34976b6 | 1700 | bfd_boolean self_subrange; |
252b5132 RH |
1701 | debug_type index_type; |
1702 | const char *s2, *s3; | |
1703 | bfd_signed_vma n2, n3; | |
b34976b6 | 1704 | bfd_boolean ov2, ov3; |
252b5132 RH |
1705 | |
1706 | orig = *pp; | |
1707 | ||
1708 | index_type = DEBUG_TYPE_NULL; | |
1709 | ||
1710 | /* First comes a type we are a subrange of. | |
1711 | In C it is usually 0, 1 or the type being defined. */ | |
1712 | if (! parse_stab_type_number (pp, rangenums)) | |
1713 | return DEBUG_TYPE_NULL; | |
1714 | ||
1715 | self_subrange = (rangenums[0] == typenums[0] | |
1716 | && rangenums[1] == typenums[1]); | |
1717 | ||
1718 | if (**pp == '=') | |
1719 | { | |
1720 | *pp = orig; | |
1721 | index_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1722 | pp, (debug_type **) NULL); | |
1723 | if (index_type == DEBUG_TYPE_NULL) | |
1724 | return DEBUG_TYPE_NULL; | |
1725 | } | |
1726 | ||
1727 | if (**pp == ';') | |
1728 | ++*pp; | |
1729 | ||
1730 | /* The remaining two operands are usually lower and upper bounds of | |
1731 | the range. But in some special cases they mean something else. */ | |
1732 | s2 = *pp; | |
1733 | n2 = parse_number (pp, &ov2); | |
1734 | if (**pp != ';') | |
1735 | { | |
1736 | bad_stab (orig); | |
1737 | return DEBUG_TYPE_NULL; | |
1738 | } | |
1739 | ++*pp; | |
1740 | ||
1741 | s3 = *pp; | |
1742 | n3 = parse_number (pp, &ov3); | |
1743 | if (**pp != ';') | |
1744 | { | |
1745 | bad_stab (orig); | |
1746 | return DEBUG_TYPE_NULL; | |
1747 | } | |
1748 | ++*pp; | |
1749 | ||
1750 | if (ov2 || ov3) | |
1751 | { | |
1752 | /* gcc will emit range stabs for long long types. Handle this | |
1753 | as a special case. FIXME: This needs to be more general. */ | |
1754 | #define LLLOW "01000000000000000000000;" | |
1755 | #define LLHIGH "0777777777777777777777;" | |
1756 | #define ULLHIGH "01777777777777777777777;" | |
1757 | if (index_type == DEBUG_TYPE_NULL) | |
1758 | { | |
1759 | if (strncmp (s2, LLLOW, sizeof LLLOW - 1) == 0 | |
1760 | && strncmp (s3, LLHIGH, sizeof LLHIGH - 1) == 0) | |
b34976b6 | 1761 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
1762 | if (! ov2 |
1763 | && n2 == 0 | |
1764 | && strncmp (s3, ULLHIGH, sizeof ULLHIGH - 1) == 0) | |
b34976b6 | 1765 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1766 | } |
1767 | ||
1768 | warn_stab (orig, _("numeric overflow")); | |
1769 | } | |
1770 | ||
1771 | if (index_type == DEBUG_TYPE_NULL) | |
1772 | { | |
1773 | /* A type defined as a subrange of itself, with both bounds 0, | |
1774 | is void. */ | |
1775 | if (self_subrange && n2 == 0 && n3 == 0) | |
1776 | return debug_make_void_type (dhandle); | |
1777 | ||
1778 | /* A type defined as a subrange of itself, with n2 positive and | |
1779 | n3 zero, is a complex type, and n2 is the number of bytes. */ | |
1780 | if (self_subrange && n3 == 0 && n2 > 0) | |
1781 | return debug_make_complex_type (dhandle, n2); | |
1782 | ||
1783 | /* If n3 is zero and n2 is positive, this is a floating point | |
1784 | type, and n2 is the number of bytes. */ | |
1785 | if (n3 == 0 && n2 > 0) | |
1786 | return debug_make_float_type (dhandle, n2); | |
1787 | ||
1788 | /* If the upper bound is -1, this is an unsigned int. */ | |
1789 | if (n2 == 0 && n3 == -1) | |
1790 | { | |
1791 | /* When gcc is used with -gstabs, but not -gstabs+, it will emit | |
1792 | long long int:t6=r1;0;-1; | |
1793 | long long unsigned int:t7=r1;0;-1; | |
1794 | We hack here to handle this reasonably. */ | |
1795 | if (typename != NULL) | |
1796 | { | |
1797 | if (strcmp (typename, "long long int") == 0) | |
b34976b6 | 1798 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 | 1799 | else if (strcmp (typename, "long long unsigned int") == 0) |
b34976b6 | 1800 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1801 | } |
1802 | /* FIXME: The size here really depends upon the target. */ | |
b34976b6 | 1803 | return debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
1804 | } |
1805 | ||
1806 | /* A range of 0 to 127 is char. */ | |
1807 | if (self_subrange && n2 == 0 && n3 == 127) | |
b34976b6 | 1808 | return debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
1809 | |
1810 | /* FIXME: gdb checks for the language CHILL here. */ | |
1811 | ||
1812 | if (n2 == 0) | |
1813 | { | |
1814 | if (n3 < 0) | |
b34976b6 | 1815 | return debug_make_int_type (dhandle, - n3, TRUE); |
252b5132 | 1816 | else if (n3 == 0xff) |
b34976b6 | 1817 | return debug_make_int_type (dhandle, 1, TRUE); |
252b5132 | 1818 | else if (n3 == 0xffff) |
b34976b6 | 1819 | return debug_make_int_type (dhandle, 2, TRUE); |
b4c96d0d | 1820 | else if (n3 == (bfd_signed_vma) 0xffffffff) |
b34976b6 | 1821 | return debug_make_int_type (dhandle, 4, TRUE); |
252b5132 | 1822 | #ifdef BFD64 |
3c9f43b1 | 1823 | else if (n3 == ((((bfd_signed_vma) 0xffffffff) << 32) | 0xffffffff)) |
b34976b6 | 1824 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1825 | #endif |
1826 | } | |
1827 | else if (n3 == 0 | |
1828 | && n2 < 0 | |
1829 | && (self_subrange || n2 == -8)) | |
b34976b6 | 1830 | return debug_make_int_type (dhandle, - n2, TRUE); |
252b5132 RH |
1831 | else if (n2 == - n3 - 1 || n2 == n3 + 1) |
1832 | { | |
1833 | if (n3 == 0x7f) | |
b34976b6 | 1834 | return debug_make_int_type (dhandle, 1, FALSE); |
252b5132 | 1835 | else if (n3 == 0x7fff) |
b34976b6 | 1836 | return debug_make_int_type (dhandle, 2, FALSE); |
252b5132 | 1837 | else if (n3 == 0x7fffffff) |
b34976b6 | 1838 | return debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
1839 | #ifdef BFD64 |
1840 | else if (n3 == ((((bfd_vma) 0x7fffffff) << 32) | 0xffffffff)) | |
b34976b6 | 1841 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
1842 | #endif |
1843 | } | |
1844 | } | |
1845 | ||
1846 | /* At this point I don't have the faintest idea how to deal with a | |
1847 | self_subrange type; I'm going to assume that this is used as an | |
1848 | idiom, and that all of them are special cases. So . . . */ | |
1849 | if (self_subrange) | |
1850 | { | |
1851 | bad_stab (orig); | |
1852 | return DEBUG_TYPE_NULL; | |
1853 | } | |
1854 | ||
1855 | index_type = stab_find_type (dhandle, info, rangenums); | |
1856 | if (index_type == DEBUG_TYPE_NULL) | |
1857 | { | |
1858 | /* Does this actually ever happen? Is that why we are worrying | |
1859 | about dealing with it rather than just calling error_type? */ | |
1860 | warn_stab (orig, _("missing index type")); | |
b34976b6 | 1861 | index_type = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
1862 | } |
1863 | ||
1864 | return debug_make_range_type (dhandle, index_type, n2, n3); | |
1865 | } | |
1866 | ||
1867 | /* Sun's ACC uses a somewhat saner method for specifying the builtin | |
1868 | typedefs in every file (for int, long, etc): | |
1869 | ||
1870 | type = b <signed> <width>; <offset>; <nbits> | |
1871 | signed = u or s. Possible c in addition to u or s (for char?). | |
1872 | offset = offset from high order bit to start bit of type. | |
1873 | width is # bytes in object of this type, nbits is # bits in type. | |
1874 | ||
1875 | The width/offset stuff appears to be for small objects stored in | |
1876 | larger ones (e.g. `shorts' in `int' registers). We ignore it for now, | |
1877 | FIXME. */ | |
1878 | ||
1879 | static debug_type | |
1880 | parse_stab_sun_builtin_type (dhandle, pp) | |
1881 | PTR dhandle; | |
1882 | const char **pp; | |
1883 | { | |
1884 | const char *orig; | |
b34976b6 | 1885 | bfd_boolean unsignedp; |
252b5132 RH |
1886 | bfd_vma bits; |
1887 | ||
1888 | orig = *pp; | |
1889 | ||
1890 | switch (**pp) | |
1891 | { | |
1892 | case 's': | |
b34976b6 | 1893 | unsignedp = FALSE; |
252b5132 RH |
1894 | break; |
1895 | case 'u': | |
b34976b6 | 1896 | unsignedp = TRUE; |
252b5132 RH |
1897 | break; |
1898 | default: | |
1899 | bad_stab (orig); | |
1900 | return DEBUG_TYPE_NULL; | |
1901 | } | |
1902 | ++*pp; | |
1903 | ||
1904 | /* For some odd reason, all forms of char put a c here. This is strange | |
1905 | because no other type has this honor. We can safely ignore this because | |
1906 | we actually determine 'char'acterness by the number of bits specified in | |
1907 | the descriptor. */ | |
1908 | if (**pp == 'c') | |
1909 | ++*pp; | |
1910 | ||
1911 | /* The first number appears to be the number of bytes occupied | |
1912 | by this type, except that unsigned short is 4 instead of 2. | |
1913 | Since this information is redundant with the third number, | |
1914 | we will ignore it. */ | |
b34976b6 | 1915 | (void) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1916 | if (**pp != ';') |
1917 | { | |
1918 | bad_stab (orig); | |
1919 | return DEBUG_TYPE_NULL; | |
1920 | } | |
1921 | ++*pp; | |
1922 | ||
9f66665a | 1923 | /* The second number is always 0, so ignore it too. */ |
b34976b6 | 1924 | (void) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1925 | if (**pp != ';') |
1926 | { | |
1927 | bad_stab (orig); | |
1928 | return DEBUG_TYPE_NULL; | |
1929 | } | |
1930 | ++*pp; | |
1931 | ||
9f66665a | 1932 | /* The third number is the number of bits for this type. */ |
b34976b6 | 1933 | bits = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1934 | |
1935 | /* The type *should* end with a semicolon. If it are embedded | |
1936 | in a larger type the semicolon may be the only way to know where | |
1937 | the type ends. If this type is at the end of the stabstring we | |
1938 | can deal with the omitted semicolon (but we don't have to like | |
1939 | it). Don't bother to complain(), Sun's compiler omits the semicolon | |
1940 | for "void". */ | |
1941 | if (**pp == ';') | |
1942 | ++*pp; | |
1943 | ||
1944 | if (bits == 0) | |
1945 | return debug_make_void_type (dhandle); | |
1946 | ||
1947 | return debug_make_int_type (dhandle, bits / 8, unsignedp); | |
1948 | } | |
1949 | ||
1950 | /* Parse a builtin floating type generated by the Sun compiler. */ | |
1951 | ||
1952 | static debug_type | |
1953 | parse_stab_sun_floating_type (dhandle, pp) | |
1954 | PTR dhandle; | |
1955 | const char **pp; | |
1956 | { | |
1957 | const char *orig; | |
1958 | bfd_vma details; | |
1959 | bfd_vma bytes; | |
1960 | ||
1961 | orig = *pp; | |
1962 | ||
1963 | /* The first number has more details about the type, for example | |
1964 | FN_COMPLEX. */ | |
b34976b6 | 1965 | details = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1966 | if (**pp != ';') |
1967 | { | |
1968 | bad_stab (orig); | |
1969 | return DEBUG_TYPE_NULL; | |
1970 | } | |
1971 | ||
1972 | /* The second number is the number of bytes occupied by this type */ | |
b34976b6 | 1973 | bytes = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1974 | if (**pp != ';') |
1975 | { | |
1976 | bad_stab (orig); | |
1977 | return DEBUG_TYPE_NULL; | |
1978 | } | |
1979 | ||
1980 | if (details == NF_COMPLEX | |
1981 | || details == NF_COMPLEX16 | |
1982 | || details == NF_COMPLEX32) | |
1983 | return debug_make_complex_type (dhandle, bytes); | |
1984 | ||
9f66665a | 1985 | return debug_make_float_type (dhandle, bytes); |
252b5132 RH |
1986 | } |
1987 | ||
1988 | /* Handle an enum type. */ | |
1989 | ||
1990 | static debug_type | |
1991 | parse_stab_enum_type (dhandle, pp) | |
1992 | PTR dhandle; | |
1993 | const char **pp; | |
1994 | { | |
1995 | const char *orig; | |
1996 | const char **names; | |
1997 | bfd_signed_vma *values; | |
1998 | unsigned int n; | |
1999 | unsigned int alloc; | |
2000 | ||
2001 | orig = *pp; | |
2002 | ||
2003 | /* FIXME: gdb checks os9k_stabs here. */ | |
2004 | ||
2005 | /* The aix4 compiler emits an extra field before the enum members; | |
2006 | my guess is it's a type of some sort. Just ignore it. */ | |
2007 | if (**pp == '-') | |
2008 | { | |
2009 | while (**pp != ':') | |
2010 | ++*pp; | |
2011 | ++*pp; | |
2012 | } | |
2013 | ||
2014 | /* Read the value-names and their values. | |
2015 | The input syntax is NAME:VALUE,NAME:VALUE, and so on. | |
2016 | A semicolon or comma instead of a NAME means the end. */ | |
2017 | alloc = 10; | |
2018 | names = (const char **) xmalloc (alloc * sizeof *names); | |
2019 | values = (bfd_signed_vma *) xmalloc (alloc * sizeof *values); | |
2020 | n = 0; | |
2021 | while (**pp != '\0' && **pp != ';' && **pp != ',') | |
2022 | { | |
2023 | const char *p; | |
2024 | char *name; | |
2025 | bfd_signed_vma val; | |
2026 | ||
2027 | p = *pp; | |
2028 | while (*p != ':') | |
2029 | ++p; | |
2030 | ||
2031 | name = savestring (*pp, p - *pp); | |
2032 | ||
2033 | *pp = p + 1; | |
b34976b6 | 2034 | val = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2035 | if (**pp != ',') |
2036 | { | |
2037 | bad_stab (orig); | |
2038 | return DEBUG_TYPE_NULL; | |
2039 | } | |
2040 | ++*pp; | |
2041 | ||
2042 | if (n + 1 >= alloc) | |
2043 | { | |
2044 | alloc += 10; | |
2045 | names = ((const char **) | |
2046 | xrealloc ((PTR) names, alloc * sizeof *names)); | |
2047 | values = ((bfd_signed_vma *) | |
2048 | xrealloc ((PTR) values, alloc * sizeof *values)); | |
2049 | } | |
2050 | ||
2051 | names[n] = name; | |
2052 | values[n] = val; | |
2053 | ++n; | |
2054 | } | |
2055 | ||
2056 | names[n] = NULL; | |
2057 | values[n] = 0; | |
2058 | ||
2059 | if (**pp == ';') | |
2060 | ++*pp; | |
2061 | ||
2062 | return debug_make_enum_type (dhandle, names, values); | |
2063 | } | |
2064 | ||
2065 | /* Read the description of a structure (or union type) and return an object | |
2066 | describing the type. | |
2067 | ||
2068 | PP points to a character pointer that points to the next unconsumed token | |
2069 | in the the stabs string. For example, given stabs "A:T4=s4a:1,0,32;;", | |
2070 | *PP will point to "4a:1,0,32;;". */ | |
2071 | ||
2072 | static debug_type | |
2073 | parse_stab_struct_type (dhandle, info, tagname, pp, structp, typenums) | |
2074 | PTR dhandle; | |
2075 | struct stab_handle *info; | |
2076 | const char *tagname; | |
2077 | const char **pp; | |
b34976b6 | 2078 | bfd_boolean structp; |
252b5132 RH |
2079 | const int *typenums; |
2080 | { | |
2081 | const char *orig; | |
2082 | bfd_vma size; | |
2083 | debug_baseclass *baseclasses; | |
2084 | debug_field *fields; | |
b34976b6 | 2085 | bfd_boolean statics; |
252b5132 RH |
2086 | debug_method *methods; |
2087 | debug_type vptrbase; | |
b34976b6 | 2088 | bfd_boolean ownvptr; |
252b5132 RH |
2089 | |
2090 | orig = *pp; | |
2091 | ||
2092 | /* Get the size. */ | |
b34976b6 | 2093 | size = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2094 | |
2095 | /* Get the other information. */ | |
2096 | if (! parse_stab_baseclasses (dhandle, info, pp, &baseclasses) | |
2097 | || ! parse_stab_struct_fields (dhandle, info, pp, &fields, &statics) | |
2098 | || ! parse_stab_members (dhandle, info, tagname, pp, typenums, &methods) | |
2099 | || ! parse_stab_tilde_field (dhandle, info, pp, typenums, &vptrbase, | |
2100 | &ownvptr)) | |
2101 | return DEBUG_TYPE_NULL; | |
2102 | ||
2103 | if (! statics | |
2104 | && baseclasses == NULL | |
2105 | && methods == NULL | |
2106 | && vptrbase == DEBUG_TYPE_NULL | |
2107 | && ! ownvptr) | |
2108 | return debug_make_struct_type (dhandle, structp, size, fields); | |
2109 | ||
2110 | return debug_make_object_type (dhandle, structp, size, fields, baseclasses, | |
2111 | methods, vptrbase, ownvptr); | |
2112 | } | |
2113 | ||
2114 | /* The stabs for C++ derived classes contain baseclass information which | |
2115 | is marked by a '!' character after the total size. This function is | |
2116 | called when we encounter the baseclass marker, and slurps up all the | |
2117 | baseclass information. | |
2118 | ||
2119 | Immediately following the '!' marker is the number of base classes that | |
2120 | the class is derived from, followed by information for each base class. | |
2121 | For each base class, there are two visibility specifiers, a bit offset | |
2122 | to the base class information within the derived class, a reference to | |
2123 | the type for the base class, and a terminating semicolon. | |
2124 | ||
2125 | A typical example, with two base classes, would be "!2,020,19;0264,21;". | |
2126 | ^^ ^ ^ ^ ^ ^ ^ | |
2127 | Baseclass information marker __________________|| | | | | | | | |
2128 | Number of baseclasses __________________________| | | | | | | | |
2129 | Visibility specifiers (2) ________________________| | | | | | | |
2130 | Offset in bits from start of class _________________| | | | | | |
2131 | Type number for base class ___________________________| | | | | |
2132 | Visibility specifiers (2) _______________________________| | | | |
2133 | Offset in bits from start of class ________________________| | | |
2134 | Type number of base class ____________________________________| | |
2135 | ||
b34976b6 | 2136 | Return TRUE for success, FALSE for failure. */ |
252b5132 | 2137 | |
b34976b6 | 2138 | static bfd_boolean |
252b5132 RH |
2139 | parse_stab_baseclasses (dhandle, info, pp, retp) |
2140 | PTR dhandle; | |
2141 | struct stab_handle *info; | |
2142 | const char **pp; | |
2143 | debug_baseclass **retp; | |
2144 | { | |
2145 | const char *orig; | |
2146 | unsigned int c, i; | |
2147 | debug_baseclass *classes; | |
2148 | ||
2149 | *retp = NULL; | |
2150 | ||
2151 | orig = *pp; | |
2152 | ||
2153 | if (**pp != '!') | |
2154 | { | |
2155 | /* No base classes. */ | |
b34976b6 | 2156 | return TRUE; |
252b5132 RH |
2157 | } |
2158 | ++*pp; | |
2159 | ||
b34976b6 | 2160 | c = (unsigned int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2161 | |
2162 | if (**pp != ',') | |
2163 | { | |
2164 | bad_stab (orig); | |
b34976b6 | 2165 | return FALSE; |
252b5132 RH |
2166 | } |
2167 | ++*pp; | |
2168 | ||
2169 | classes = (debug_baseclass *) xmalloc ((c + 1) * sizeof (**retp)); | |
2170 | ||
2171 | for (i = 0; i < c; i++) | |
2172 | { | |
b34976b6 | 2173 | bfd_boolean virtual; |
252b5132 RH |
2174 | enum debug_visibility visibility; |
2175 | bfd_vma bitpos; | |
2176 | debug_type type; | |
2177 | ||
2178 | switch (**pp) | |
2179 | { | |
2180 | case '0': | |
b34976b6 | 2181 | virtual = FALSE; |
252b5132 RH |
2182 | break; |
2183 | case '1': | |
b34976b6 | 2184 | virtual = TRUE; |
252b5132 RH |
2185 | break; |
2186 | default: | |
2187 | warn_stab (orig, _("unknown virtual character for baseclass")); | |
b34976b6 | 2188 | virtual = FALSE; |
252b5132 RH |
2189 | break; |
2190 | } | |
2191 | ++*pp; | |
2192 | ||
2193 | switch (**pp) | |
2194 | { | |
2195 | case '0': | |
2196 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2197 | break; | |
2198 | case '1': | |
2199 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2200 | break; | |
2201 | case '2': | |
2202 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2203 | break; | |
2204 | default: | |
2205 | warn_stab (orig, _("unknown visibility character for baseclass")); | |
2206 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2207 | break; | |
2208 | } | |
2209 | ++*pp; | |
2210 | ||
2211 | /* The remaining value is the bit offset of the portion of the | |
2212 | object corresponding to this baseclass. Always zero in the | |
2213 | absence of multiple inheritance. */ | |
b34976b6 | 2214 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2215 | if (**pp != ',') |
2216 | { | |
2217 | bad_stab (orig); | |
b34976b6 | 2218 | return FALSE; |
252b5132 RH |
2219 | } |
2220 | ++*pp; | |
2221 | ||
2222 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2223 | (debug_type **) NULL); | |
2224 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2225 | return FALSE; |
252b5132 RH |
2226 | |
2227 | classes[i] = debug_make_baseclass (dhandle, type, bitpos, virtual, | |
2228 | visibility); | |
2229 | if (classes[i] == DEBUG_BASECLASS_NULL) | |
b34976b6 | 2230 | return FALSE; |
252b5132 RH |
2231 | |
2232 | if (**pp != ';') | |
b34976b6 | 2233 | return FALSE; |
252b5132 RH |
2234 | ++*pp; |
2235 | } | |
2236 | ||
2237 | classes[i] = DEBUG_BASECLASS_NULL; | |
2238 | ||
2239 | *retp = classes; | |
2240 | ||
b34976b6 | 2241 | return TRUE; |
252b5132 RH |
2242 | } |
2243 | ||
2244 | /* Read struct or class data fields. They have the form: | |
2245 | ||
2246 | NAME : [VISIBILITY] TYPENUM , BITPOS , BITSIZE ; | |
2247 | ||
2248 | At the end, we see a semicolon instead of a field. | |
2249 | ||
2250 | In C++, this may wind up being NAME:?TYPENUM:PHYSNAME; for | |
2251 | a static field. | |
2252 | ||
2253 | The optional VISIBILITY is one of: | |
2254 | ||
2255 | '/0' (VISIBILITY_PRIVATE) | |
2256 | '/1' (VISIBILITY_PROTECTED) | |
2257 | '/2' (VISIBILITY_PUBLIC) | |
2258 | '/9' (VISIBILITY_IGNORE) | |
2259 | ||
2260 | or nothing, for C style fields with public visibility. | |
2261 | ||
2262 | Returns 1 for success, 0 for failure. */ | |
2263 | ||
b34976b6 | 2264 | static bfd_boolean |
252b5132 RH |
2265 | parse_stab_struct_fields (dhandle, info, pp, retp, staticsp) |
2266 | PTR dhandle; | |
2267 | struct stab_handle *info; | |
2268 | const char **pp; | |
2269 | debug_field **retp; | |
b34976b6 | 2270 | bfd_boolean *staticsp; |
252b5132 RH |
2271 | { |
2272 | const char *orig; | |
2273 | const char *p; | |
2274 | debug_field *fields; | |
2275 | unsigned int c; | |
2276 | unsigned int alloc; | |
2277 | ||
2278 | *retp = NULL; | |
b34976b6 | 2279 | *staticsp = FALSE; |
252b5132 RH |
2280 | |
2281 | orig = *pp; | |
2282 | ||
2283 | c = 0; | |
2284 | alloc = 10; | |
2285 | fields = (debug_field *) xmalloc (alloc * sizeof *fields); | |
2286 | while (**pp != ';') | |
2287 | { | |
2288 | /* FIXME: gdb checks os9k_stabs here. */ | |
2289 | ||
2290 | p = *pp; | |
2291 | ||
2292 | /* Add 1 to c to leave room for NULL pointer at end. */ | |
2293 | if (c + 1 >= alloc) | |
2294 | { | |
2295 | alloc += 10; | |
2296 | fields = ((debug_field *) | |
2297 | xrealloc ((PTR) fields, alloc * sizeof *fields)); | |
2298 | } | |
2299 | ||
2300 | /* If it starts with CPLUS_MARKER it is a special abbreviation, | |
2301 | unless the CPLUS_MARKER is followed by an underscore, in | |
2302 | which case it is just the name of an anonymous type, which we | |
2303 | should handle like any other type name. We accept either '$' | |
2304 | or '.', because a field name can never contain one of these | |
2305 | characters except as a CPLUS_MARKER. */ | |
2306 | ||
2307 | if ((*p == '$' || *p == '.') && p[1] != '_') | |
2308 | { | |
2309 | ++*pp; | |
2310 | if (! parse_stab_cpp_abbrev (dhandle, info, pp, fields + c)) | |
b34976b6 | 2311 | return FALSE; |
252b5132 RH |
2312 | ++c; |
2313 | continue; | |
2314 | } | |
2315 | ||
2316 | /* Look for the ':' that separates the field name from the field | |
2317 | values. Data members are delimited by a single ':', while member | |
2318 | functions are delimited by a pair of ':'s. When we hit the member | |
9f66665a | 2319 | functions (if any), terminate scan loop and return. */ |
252b5132 RH |
2320 | |
2321 | p = strchr (p, ':'); | |
2322 | if (p == NULL) | |
2323 | { | |
2324 | bad_stab (orig); | |
b34976b6 | 2325 | return FALSE; |
252b5132 RH |
2326 | } |
2327 | ||
2328 | if (p[1] == ':') | |
2329 | break; | |
2330 | ||
2331 | if (! parse_stab_one_struct_field (dhandle, info, pp, p, fields + c, | |
2332 | staticsp)) | |
b34976b6 | 2333 | return FALSE; |
252b5132 RH |
2334 | |
2335 | ++c; | |
2336 | } | |
2337 | ||
2338 | fields[c] = DEBUG_FIELD_NULL; | |
2339 | ||
2340 | *retp = fields; | |
2341 | ||
b34976b6 | 2342 | return TRUE; |
252b5132 RH |
2343 | } |
2344 | ||
2345 | /* Special GNU C++ name. */ | |
2346 | ||
b34976b6 | 2347 | static bfd_boolean |
252b5132 RH |
2348 | parse_stab_cpp_abbrev (dhandle, info, pp, retp) |
2349 | PTR dhandle; | |
2350 | struct stab_handle *info; | |
2351 | const char **pp; | |
2352 | debug_field *retp; | |
2353 | { | |
2354 | const char *orig; | |
2355 | int cpp_abbrev; | |
2356 | debug_type context; | |
2357 | const char *name; | |
2358 | const char *typename; | |
2359 | debug_type type; | |
2360 | bfd_vma bitpos; | |
2361 | ||
2362 | *retp = DEBUG_FIELD_NULL; | |
2363 | ||
2364 | orig = *pp; | |
2365 | ||
2366 | if (**pp != 'v') | |
2367 | { | |
2368 | bad_stab (*pp); | |
b34976b6 | 2369 | return FALSE; |
252b5132 RH |
2370 | } |
2371 | ++*pp; | |
2372 | ||
2373 | cpp_abbrev = **pp; | |
2374 | ++*pp; | |
2375 | ||
2376 | /* At this point, *pp points to something like "22:23=*22...", where | |
2377 | the type number before the ':' is the "context" and everything | |
2378 | after is a regular type definition. Lookup the type, find it's | |
2379 | name, and construct the field name. */ | |
2380 | ||
2381 | context = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2382 | (debug_type **) NULL); | |
2383 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 2384 | return FALSE; |
252b5132 RH |
2385 | |
2386 | switch (cpp_abbrev) | |
2387 | { | |
2388 | case 'f': | |
2389 | /* $vf -- a virtual function table pointer. */ | |
2390 | name = "_vptr$"; | |
2391 | break; | |
2392 | case 'b': | |
2393 | /* $vb -- a virtual bsomethingorother */ | |
2394 | typename = debug_get_type_name (dhandle, context); | |
2395 | if (typename == NULL) | |
2396 | { | |
2397 | warn_stab (orig, _("unnamed $vb type")); | |
2398 | typename = "FOO"; | |
2399 | } | |
2400 | name = concat ("_vb$", typename, (const char *) NULL); | |
2401 | break; | |
2402 | default: | |
2403 | warn_stab (orig, _("unrecognized C++ abbreviation")); | |
2404 | name = "INVALID_CPLUSPLUS_ABBREV"; | |
2405 | break; | |
2406 | } | |
2407 | ||
2408 | if (**pp != ':') | |
2409 | { | |
2410 | bad_stab (orig); | |
b34976b6 | 2411 | return FALSE; |
252b5132 RH |
2412 | } |
2413 | ++*pp; | |
2414 | ||
2415 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2416 | (debug_type **) NULL); | |
2417 | if (**pp != ',') | |
2418 | { | |
2419 | bad_stab (orig); | |
b34976b6 | 2420 | return FALSE; |
252b5132 RH |
2421 | } |
2422 | ++*pp; | |
2423 | ||
b34976b6 | 2424 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2425 | if (**pp != ';') |
2426 | { | |
2427 | bad_stab (orig); | |
b34976b6 | 2428 | return FALSE; |
252b5132 RH |
2429 | } |
2430 | ++*pp; | |
2431 | ||
2432 | *retp = debug_make_field (dhandle, name, type, bitpos, 0, | |
2433 | DEBUG_VISIBILITY_PRIVATE); | |
2434 | if (*retp == DEBUG_FIELD_NULL) | |
b34976b6 | 2435 | return FALSE; |
252b5132 | 2436 | |
b34976b6 | 2437 | return TRUE; |
252b5132 RH |
2438 | } |
2439 | ||
2440 | /* Parse a single field in a struct or union. */ | |
2441 | ||
b34976b6 | 2442 | static bfd_boolean |
252b5132 RH |
2443 | parse_stab_one_struct_field (dhandle, info, pp, p, retp, staticsp) |
2444 | PTR dhandle; | |
2445 | struct stab_handle *info; | |
2446 | const char **pp; | |
2447 | const char *p; | |
2448 | debug_field *retp; | |
b34976b6 | 2449 | bfd_boolean *staticsp; |
252b5132 RH |
2450 | { |
2451 | const char *orig; | |
2452 | char *name; | |
2453 | enum debug_visibility visibility; | |
2454 | debug_type type; | |
2455 | bfd_vma bitpos; | |
2456 | bfd_vma bitsize; | |
2457 | ||
2458 | orig = *pp; | |
2459 | ||
2460 | /* FIXME: gdb checks ARM_DEMANGLING here. */ | |
2461 | ||
2462 | name = savestring (*pp, p - *pp); | |
2463 | ||
2464 | *pp = p + 1; | |
2465 | ||
2466 | if (**pp != '/') | |
2467 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2468 | else | |
2469 | { | |
2470 | ++*pp; | |
2471 | switch (**pp) | |
2472 | { | |
2473 | case '0': | |
2474 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2475 | break; | |
2476 | case '1': | |
2477 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2478 | break; | |
2479 | case '2': | |
2480 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2481 | break; | |
2482 | default: | |
2483 | warn_stab (orig, _("unknown visibility character for field")); | |
2484 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2485 | break; | |
2486 | } | |
2487 | ++*pp; | |
2488 | } | |
2489 | ||
2490 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2491 | (debug_type **) NULL); | |
2492 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2493 | return FALSE; |
252b5132 RH |
2494 | |
2495 | if (**pp == ':') | |
2496 | { | |
2497 | char *varname; | |
2498 | ||
2499 | /* This is a static class member. */ | |
2500 | ++*pp; | |
2501 | p = strchr (*pp, ';'); | |
2502 | if (p == NULL) | |
2503 | { | |
2504 | bad_stab (orig); | |
b34976b6 | 2505 | return FALSE; |
252b5132 RH |
2506 | } |
2507 | ||
2508 | varname = savestring (*pp, p - *pp); | |
2509 | ||
2510 | *pp = p + 1; | |
2511 | ||
2512 | *retp = debug_make_static_member (dhandle, name, type, varname, | |
2513 | visibility); | |
b34976b6 | 2514 | *staticsp = TRUE; |
252b5132 | 2515 | |
b34976b6 | 2516 | return TRUE; |
252b5132 RH |
2517 | } |
2518 | ||
2519 | if (**pp != ',') | |
2520 | { | |
2521 | bad_stab (orig); | |
b34976b6 | 2522 | return FALSE; |
252b5132 RH |
2523 | } |
2524 | ++*pp; | |
2525 | ||
b34976b6 | 2526 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2527 | if (**pp != ',') |
2528 | { | |
2529 | bad_stab (orig); | |
b34976b6 | 2530 | return FALSE; |
252b5132 RH |
2531 | } |
2532 | ++*pp; | |
2533 | ||
b34976b6 | 2534 | bitsize = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2535 | if (**pp != ';') |
2536 | { | |
2537 | bad_stab (orig); | |
b34976b6 | 2538 | return FALSE; |
252b5132 RH |
2539 | } |
2540 | ++*pp; | |
2541 | ||
2542 | if (bitpos == 0 && bitsize == 0) | |
2543 | { | |
2544 | /* This can happen in two cases: (1) at least for gcc 2.4.5 or | |
2545 | so, it is a field which has been optimized out. The correct | |
2546 | stab for this case is to use VISIBILITY_IGNORE, but that is a | |
2547 | recent invention. (2) It is a 0-size array. For example | |
2548 | union { int num; char str[0]; } foo. Printing "<no value>" | |
2549 | for str in "p foo" is OK, since foo.str (and thus foo.str[3]) | |
2550 | will continue to work, and a 0-size array as a whole doesn't | |
2551 | have any contents to print. | |
2552 | ||
2553 | I suspect this probably could also happen with gcc -gstabs | |
2554 | (not -gstabs+) for static fields, and perhaps other C++ | |
2555 | extensions. Hopefully few people use -gstabs with gdb, since | |
2556 | it is intended for dbx compatibility. */ | |
2557 | visibility = DEBUG_VISIBILITY_IGNORE; | |
2558 | } | |
2559 | ||
2560 | /* FIXME: gdb does some stuff here to mark fields as unpacked. */ | |
2561 | ||
2562 | *retp = debug_make_field (dhandle, name, type, bitpos, bitsize, visibility); | |
2563 | ||
b34976b6 | 2564 | return TRUE; |
252b5132 RH |
2565 | } |
2566 | ||
2567 | /* Read member function stabs info for C++ classes. The form of each member | |
2568 | function data is: | |
2569 | ||
2570 | NAME :: TYPENUM[=type definition] ARGS : PHYSNAME ; | |
2571 | ||
2572 | An example with two member functions is: | |
2573 | ||
2574 | afunc1::20=##15;:i;2A.;afunc2::20:i;2A.; | |
2575 | ||
2576 | For the case of overloaded operators, the format is op$::*.funcs, where | |
2577 | $ is the CPLUS_MARKER (usually '$'), `*' holds the place for an operator | |
2578 | name (such as `+=') and `.' marks the end of the operator name. */ | |
2579 | ||
b34976b6 | 2580 | static bfd_boolean |
252b5132 RH |
2581 | parse_stab_members (dhandle, info, tagname, pp, typenums, retp) |
2582 | PTR dhandle; | |
2583 | struct stab_handle *info; | |
2584 | const char *tagname; | |
2585 | const char **pp; | |
2586 | const int *typenums; | |
2587 | debug_method **retp; | |
2588 | { | |
2589 | const char *orig; | |
2590 | debug_method *methods; | |
2591 | unsigned int c; | |
2592 | unsigned int alloc; | |
2593 | ||
2594 | *retp = NULL; | |
2595 | ||
2596 | orig = *pp; | |
2597 | ||
2598 | alloc = 0; | |
2599 | methods = NULL; | |
2600 | c = 0; | |
2601 | ||
2602 | while (**pp != ';') | |
2603 | { | |
2604 | const char *p; | |
2605 | char *name; | |
2606 | debug_method_variant *variants; | |
2607 | unsigned int cvars; | |
2608 | unsigned int allocvars; | |
2609 | debug_type look_ahead_type; | |
2610 | ||
2611 | p = strchr (*pp, ':'); | |
2612 | if (p == NULL || p[1] != ':') | |
2613 | break; | |
2614 | ||
2615 | /* FIXME: Some systems use something other than '$' here. */ | |
2616 | if ((*pp)[0] != 'o' || (*pp)[1] != 'p' || (*pp)[2] != '$') | |
2617 | { | |
2618 | name = savestring (*pp, p - *pp); | |
2619 | *pp = p + 2; | |
2620 | } | |
2621 | else | |
2622 | { | |
2623 | /* This is a completely wierd case. In order to stuff in the | |
2624 | names that might contain colons (the usual name delimiter), | |
2625 | Mike Tiemann defined a different name format which is | |
2626 | signalled if the identifier is "op$". In that case, the | |
2627 | format is "op$::XXXX." where XXXX is the name. This is | |
2628 | used for names like "+" or "=". YUUUUUUUK! FIXME! */ | |
2629 | *pp = p + 2; | |
2630 | for (p = *pp; *p != '.' && *p != '\0'; p++) | |
2631 | ; | |
2632 | if (*p != '.') | |
2633 | { | |
2634 | bad_stab (orig); | |
b34976b6 | 2635 | return FALSE; |
252b5132 RH |
2636 | } |
2637 | name = savestring (*pp, p - *pp); | |
2638 | *pp = p + 1; | |
2639 | } | |
2640 | ||
2641 | allocvars = 10; | |
2642 | variants = ((debug_method_variant *) | |
2643 | xmalloc (allocvars * sizeof *variants)); | |
2644 | cvars = 0; | |
2645 | ||
2646 | look_ahead_type = DEBUG_TYPE_NULL; | |
2647 | ||
2648 | do | |
2649 | { | |
2650 | debug_type type; | |
b34976b6 | 2651 | bfd_boolean stub; |
252b5132 RH |
2652 | char *argtypes; |
2653 | enum debug_visibility visibility; | |
b34976b6 | 2654 | bfd_boolean constp, volatilep, staticp; |
252b5132 RH |
2655 | bfd_vma voffset; |
2656 | debug_type context; | |
2657 | const char *physname; | |
b34976b6 | 2658 | bfd_boolean varargs; |
252b5132 RH |
2659 | |
2660 | if (look_ahead_type != DEBUG_TYPE_NULL) | |
2661 | { | |
2662 | /* g++ version 1 kludge */ | |
2663 | type = look_ahead_type; | |
2664 | look_ahead_type = DEBUG_TYPE_NULL; | |
2665 | } | |
2666 | else | |
2667 | { | |
2668 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2669 | (debug_type **) NULL); | |
2670 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2671 | return FALSE; |
252b5132 RH |
2672 | if (**pp != ':') |
2673 | { | |
2674 | bad_stab (orig); | |
b34976b6 | 2675 | return FALSE; |
252b5132 RH |
2676 | } |
2677 | } | |
2678 | ||
2679 | ++*pp; | |
2680 | p = strchr (*pp, ';'); | |
2681 | if (p == NULL) | |
2682 | { | |
2683 | bad_stab (orig); | |
b34976b6 | 2684 | return FALSE; |
252b5132 RH |
2685 | } |
2686 | ||
b34976b6 | 2687 | stub = FALSE; |
252b5132 RH |
2688 | if (debug_get_type_kind (dhandle, type) == DEBUG_KIND_METHOD |
2689 | && debug_get_parameter_types (dhandle, type, &varargs) == NULL) | |
b34976b6 | 2690 | stub = TRUE; |
252b5132 RH |
2691 | |
2692 | argtypes = savestring (*pp, p - *pp); | |
2693 | *pp = p + 1; | |
2694 | ||
2695 | switch (**pp) | |
2696 | { | |
2697 | case '0': | |
2698 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2699 | break; | |
2700 | case '1': | |
2701 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2702 | break; | |
2703 | default: | |
2704 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2705 | break; | |
2706 | } | |
2707 | ++*pp; | |
2708 | ||
b34976b6 AM |
2709 | constp = FALSE; |
2710 | volatilep = FALSE; | |
252b5132 RH |
2711 | switch (**pp) |
2712 | { | |
2713 | case 'A': | |
2714 | /* Normal function. */ | |
2715 | ++*pp; | |
2716 | break; | |
2717 | case 'B': | |
2718 | /* const member function. */ | |
b34976b6 | 2719 | constp = TRUE; |
252b5132 RH |
2720 | ++*pp; |
2721 | break; | |
2722 | case 'C': | |
2723 | /* volatile member function. */ | |
b34976b6 | 2724 | volatilep = TRUE; |
252b5132 RH |
2725 | ++*pp; |
2726 | break; | |
2727 | case 'D': | |
2728 | /* const volatile member function. */ | |
b34976b6 AM |
2729 | constp = TRUE; |
2730 | volatilep = TRUE; | |
252b5132 RH |
2731 | ++*pp; |
2732 | break; | |
2733 | case '*': | |
2734 | case '?': | |
2735 | case '.': | |
2736 | /* File compiled with g++ version 1; no information. */ | |
2737 | break; | |
2738 | default: | |
2739 | warn_stab (orig, _("const/volatile indicator missing")); | |
2740 | break; | |
2741 | } | |
2742 | ||
b34976b6 | 2743 | staticp = FALSE; |
252b5132 RH |
2744 | switch (**pp) |
2745 | { | |
2746 | case '*': | |
2747 | /* virtual member function, followed by index. The sign | |
2748 | bit is supposedly set to distinguish | |
2749 | pointers-to-methods from virtual function indicies. */ | |
2750 | ++*pp; | |
b34976b6 | 2751 | voffset = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2752 | if (**pp != ';') |
2753 | { | |
2754 | bad_stab (orig); | |
b34976b6 | 2755 | return FALSE; |
252b5132 RH |
2756 | } |
2757 | ++*pp; | |
2758 | voffset &= 0x7fffffff; | |
2759 | ||
2760 | if (**pp == ';' || *pp == '\0') | |
2761 | { | |
2762 | /* Must be g++ version 1. */ | |
2763 | context = DEBUG_TYPE_NULL; | |
2764 | } | |
2765 | else | |
2766 | { | |
2767 | /* Figure out from whence this virtual function | |
2768 | came. It may belong to virtual function table of | |
2769 | one of its baseclasses. */ | |
9f66665a KH |
2770 | look_ahead_type = parse_stab_type (dhandle, info, |
2771 | (const char *) NULL, | |
2772 | pp, | |
2773 | (debug_type **) NULL); | |
2774 | if (**pp == ':') | |
2775 | { | |
2776 | /* g++ version 1 overloaded methods. */ | |
2777 | context = DEBUG_TYPE_NULL; | |
2778 | } | |
2779 | else | |
2780 | { | |
2781 | context = look_ahead_type; | |
2782 | look_ahead_type = DEBUG_TYPE_NULL; | |
2783 | if (**pp != ';') | |
2784 | { | |
2785 | bad_stab (orig); | |
b34976b6 | 2786 | return FALSE; |
9f66665a KH |
2787 | } |
2788 | ++*pp; | |
2789 | } | |
2790 | } | |
252b5132 RH |
2791 | break; |
2792 | ||
2793 | case '?': | |
2794 | /* static member function. */ | |
2795 | ++*pp; | |
b34976b6 | 2796 | staticp = TRUE; |
252b5132 RH |
2797 | voffset = 0; |
2798 | context = DEBUG_TYPE_NULL; | |
2799 | if (strncmp (argtypes, name, strlen (name)) != 0) | |
b34976b6 | 2800 | stub = TRUE; |
252b5132 RH |
2801 | break; |
2802 | ||
2803 | default: | |
2804 | warn_stab (orig, "member function type missing"); | |
2805 | voffset = 0; | |
2806 | context = DEBUG_TYPE_NULL; | |
2807 | break; | |
2808 | ||
2809 | case '.': | |
2810 | ++*pp; | |
2811 | voffset = 0; | |
2812 | context = DEBUG_TYPE_NULL; | |
2813 | break; | |
2814 | } | |
2815 | ||
2816 | /* If the type is not a stub, then the argtypes string is | |
2817 | the physical name of the function. Otherwise the | |
2818 | argtypes string is the mangled form of the argument | |
2819 | types, and the full type and the physical name must be | |
2820 | extracted from them. */ | |
2821 | if (! stub) | |
2822 | physname = argtypes; | |
2823 | else | |
2824 | { | |
2825 | debug_type class_type, return_type; | |
2826 | ||
2827 | class_type = stab_find_type (dhandle, info, typenums); | |
2828 | if (class_type == DEBUG_TYPE_NULL) | |
b34976b6 | 2829 | return FALSE; |
252b5132 RH |
2830 | return_type = debug_get_return_type (dhandle, type); |
2831 | if (return_type == DEBUG_TYPE_NULL) | |
2832 | { | |
2833 | bad_stab (orig); | |
b34976b6 | 2834 | return FALSE; |
252b5132 RH |
2835 | } |
2836 | type = parse_stab_argtypes (dhandle, info, class_type, name, | |
2837 | tagname, return_type, argtypes, | |
2838 | constp, volatilep, &physname); | |
2839 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2840 | return FALSE; |
252b5132 RH |
2841 | } |
2842 | ||
2843 | if (cvars + 1 >= allocvars) | |
2844 | { | |
2845 | allocvars += 10; | |
2846 | variants = ((debug_method_variant *) | |
2847 | xrealloc ((PTR) variants, | |
2848 | allocvars * sizeof *variants)); | |
2849 | } | |
2850 | ||
2851 | if (! staticp) | |
2852 | variants[cvars] = debug_make_method_variant (dhandle, physname, | |
2853 | type, visibility, | |
2854 | constp, volatilep, | |
2855 | voffset, context); | |
2856 | else | |
2857 | variants[cvars] = debug_make_static_method_variant (dhandle, | |
2858 | physname, | |
2859 | type, | |
2860 | visibility, | |
2861 | constp, | |
2862 | volatilep); | |
2863 | if (variants[cvars] == DEBUG_METHOD_VARIANT_NULL) | |
b34976b6 | 2864 | return FALSE; |
252b5132 RH |
2865 | |
2866 | ++cvars; | |
2867 | } | |
2868 | while (**pp != ';' && **pp != '\0'); | |
2869 | ||
2870 | variants[cvars] = DEBUG_METHOD_VARIANT_NULL; | |
2871 | ||
2872 | if (**pp != '\0') | |
2873 | ++*pp; | |
2874 | ||
2875 | if (c + 1 >= alloc) | |
2876 | { | |
2877 | alloc += 10; | |
2878 | methods = ((debug_method *) | |
2879 | xrealloc ((PTR) methods, alloc * sizeof *methods)); | |
2880 | } | |
2881 | ||
2882 | methods[c] = debug_make_method (dhandle, name, variants); | |
2883 | ||
2884 | ++c; | |
2885 | } | |
2886 | ||
2887 | if (methods != NULL) | |
2888 | methods[c] = DEBUG_METHOD_NULL; | |
2889 | ||
2890 | *retp = methods; | |
2891 | ||
b34976b6 | 2892 | return TRUE; |
252b5132 RH |
2893 | } |
2894 | ||
2895 | /* Parse a string representing argument types for a method. Stabs | |
2896 | tries to save space by packing argument types into a mangled | |
2897 | string. This string should give us enough information to extract | |
2898 | both argument types and the physical name of the function, given | |
2899 | the tag name. */ | |
2900 | ||
2901 | static debug_type | |
2902 | parse_stab_argtypes (dhandle, info, class_type, fieldname, tagname, | |
2903 | return_type, argtypes, constp, volatilep, pphysname) | |
2904 | PTR dhandle; | |
2905 | struct stab_handle *info; | |
2906 | debug_type class_type; | |
2907 | const char *fieldname; | |
2908 | const char *tagname; | |
2909 | debug_type return_type; | |
2910 | const char *argtypes; | |
b34976b6 AM |
2911 | bfd_boolean constp; |
2912 | bfd_boolean volatilep; | |
252b5132 RH |
2913 | const char **pphysname; |
2914 | { | |
b34976b6 AM |
2915 | bfd_boolean is_full_physname_constructor; |
2916 | bfd_boolean is_constructor; | |
2917 | bfd_boolean is_destructor; | |
252b5132 | 2918 | debug_type *args; |
b34976b6 | 2919 | bfd_boolean varargs; |
4b73ca92 | 2920 | unsigned int physname_len = 0; |
252b5132 RH |
2921 | |
2922 | /* Constructors are sometimes handled specially. */ | |
2923 | is_full_physname_constructor = ((argtypes[0] == '_' | |
2924 | && argtypes[1] == '_' | |
3882b010 | 2925 | && (ISDIGIT (argtypes[2]) |
252b5132 RH |
2926 | || argtypes[2] == 'Q' |
2927 | || argtypes[2] == 't')) | |
2928 | || strncmp (argtypes, "__ct", 4) == 0); | |
2929 | ||
2930 | is_constructor = (is_full_physname_constructor | |
2931 | || (tagname != NULL | |
2932 | && strcmp (fieldname, tagname) == 0)); | |
2933 | is_destructor = ((argtypes[0] == '_' | |
2934 | && (argtypes[1] == '$' || argtypes[1] == '.') | |
2935 | && argtypes[2] == '_') | |
2936 | || strncmp (argtypes, "__dt", 4) == 0); | |
2937 | ||
2938 | if (is_destructor || is_full_physname_constructor) | |
2939 | *pphysname = argtypes; | |
2940 | else | |
2941 | { | |
2942 | unsigned int len; | |
2943 | const char *const_prefix; | |
2944 | const char *volatile_prefix; | |
2945 | char buf[20]; | |
2946 | unsigned int mangled_name_len; | |
2947 | char *physname; | |
2948 | ||
2949 | len = tagname == NULL ? 0 : strlen (tagname); | |
2950 | const_prefix = constp ? "C" : ""; | |
2951 | volatile_prefix = volatilep ? "V" : ""; | |
2952 | ||
2953 | if (len == 0) | |
2954 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); | |
2955 | else if (tagname != NULL && strchr (tagname, '<') != NULL) | |
2956 | { | |
2957 | /* Template methods are fully mangled. */ | |
2958 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); | |
2959 | tagname = NULL; | |
2960 | len = 0; | |
2961 | } | |
2962 | else | |
2963 | sprintf (buf, "__%s%s%d", const_prefix, volatile_prefix, len); | |
2964 | ||
2965 | mangled_name_len = ((is_constructor ? 0 : strlen (fieldname)) | |
2966 | + strlen (buf) | |
2967 | + len | |
2968 | + strlen (argtypes) | |
2969 | + 1); | |
2970 | ||
2971 | if (fieldname[0] == 'o' | |
2972 | && fieldname[1] == 'p' | |
2973 | && (fieldname[2] == '$' || fieldname[2] == '.')) | |
2974 | { | |
2975 | const char *opname; | |
2976 | ||
2977 | opname = cplus_mangle_opname (fieldname + 3, 0); | |
2978 | if (opname == NULL) | |
2979 | { | |
2980 | fprintf (stderr, _("No mangling for \"%s\"\n"), fieldname); | |
2981 | return DEBUG_TYPE_NULL; | |
2982 | } | |
2983 | mangled_name_len += strlen (opname); | |
2984 | physname = (char *) xmalloc (mangled_name_len); | |
2985 | strncpy (physname, fieldname, 3); | |
2986 | strcpy (physname + 3, opname); | |
2987 | } | |
2988 | else | |
2989 | { | |
2990 | physname = (char *) xmalloc (mangled_name_len); | |
2991 | if (is_constructor) | |
2992 | physname[0] = '\0'; | |
2993 | else | |
2994 | strcpy (physname, fieldname); | |
2995 | } | |
2996 | ||
4b73ca92 | 2997 | physname_len = strlen (physname); |
252b5132 RH |
2998 | strcat (physname, buf); |
2999 | if (tagname != NULL) | |
3000 | strcat (physname, tagname); | |
3001 | strcat (physname, argtypes); | |
3002 | ||
3003 | *pphysname = physname; | |
3004 | } | |
3005 | ||
3006 | if (*argtypes == '\0' || is_destructor) | |
3007 | { | |
3008 | args = (debug_type *) xmalloc (sizeof *args); | |
3009 | *args = NULL; | |
3010 | return debug_make_method_type (dhandle, return_type, class_type, args, | |
b34976b6 | 3011 | FALSE); |
252b5132 RH |
3012 | } |
3013 | ||
4b73ca92 | 3014 | args = stab_demangle_argtypes (dhandle, info, *pphysname, &varargs, physname_len); |
252b5132 RH |
3015 | if (args == NULL) |
3016 | return DEBUG_TYPE_NULL; | |
3017 | ||
3018 | return debug_make_method_type (dhandle, return_type, class_type, args, | |
3019 | varargs); | |
3020 | } | |
3021 | ||
3022 | /* The tail end of stabs for C++ classes that contain a virtual function | |
3023 | pointer contains a tilde, a %, and a type number. | |
3024 | The type number refers to the base class (possibly this class itself) which | |
3025 | contains the vtable pointer for the current class. | |
3026 | ||
3027 | This function is called when we have parsed all the method declarations, | |
3028 | so we can look for the vptr base class info. */ | |
3029 | ||
b34976b6 | 3030 | static bfd_boolean |
252b5132 RH |
3031 | parse_stab_tilde_field (dhandle, info, pp, typenums, retvptrbase, retownvptr) |
3032 | PTR dhandle; | |
3033 | struct stab_handle *info; | |
3034 | const char **pp; | |
3035 | const int *typenums; | |
3036 | debug_type *retvptrbase; | |
b34976b6 | 3037 | bfd_boolean *retownvptr; |
252b5132 RH |
3038 | { |
3039 | const char *orig; | |
3040 | const char *hold; | |
3041 | int vtypenums[2]; | |
3042 | ||
3043 | *retvptrbase = DEBUG_TYPE_NULL; | |
b34976b6 | 3044 | *retownvptr = FALSE; |
252b5132 RH |
3045 | |
3046 | orig = *pp; | |
3047 | ||
9f66665a | 3048 | /* If we are positioned at a ';', then skip it. */ |
252b5132 RH |
3049 | if (**pp == ';') |
3050 | ++*pp; | |
3051 | ||
3052 | if (**pp != '~') | |
b34976b6 | 3053 | return TRUE; |
252b5132 RH |
3054 | |
3055 | ++*pp; | |
3056 | ||
3057 | if (**pp == '=' || **pp == '+' || **pp == '-') | |
3058 | { | |
3059 | /* Obsolete flags that used to indicate the presence of | |
9f66665a | 3060 | constructors and/or destructors. */ |
252b5132 RH |
3061 | ++*pp; |
3062 | } | |
3063 | ||
3064 | if (**pp != '%') | |
b34976b6 | 3065 | return TRUE; |
252b5132 RH |
3066 | |
3067 | ++*pp; | |
3068 | ||
3069 | hold = *pp; | |
3070 | ||
3071 | /* The next number is the type number of the base class (possibly | |
3072 | our own class) which supplies the vtable for this class. */ | |
3073 | if (! parse_stab_type_number (pp, vtypenums)) | |
b34976b6 | 3074 | return FALSE; |
252b5132 RH |
3075 | |
3076 | if (vtypenums[0] == typenums[0] | |
3077 | && vtypenums[1] == typenums[1]) | |
b34976b6 | 3078 | *retownvptr = TRUE; |
252b5132 RH |
3079 | else |
3080 | { | |
3081 | debug_type vtype; | |
3082 | const char *p; | |
3083 | ||
3084 | *pp = hold; | |
3085 | ||
3086 | vtype = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
3087 | (debug_type **) NULL); | |
3088 | for (p = *pp; *p != ';' && *p != '\0'; p++) | |
3089 | ; | |
3090 | if (*p != ';') | |
3091 | { | |
3092 | bad_stab (orig); | |
b34976b6 | 3093 | return FALSE; |
252b5132 RH |
3094 | } |
3095 | ||
3096 | *retvptrbase = vtype; | |
3097 | ||
3098 | *pp = p + 1; | |
3099 | } | |
3100 | ||
b34976b6 | 3101 | return TRUE; |
252b5132 RH |
3102 | } |
3103 | ||
3104 | /* Read a definition of an array type. */ | |
3105 | ||
3106 | static debug_type | |
3107 | parse_stab_array_type (dhandle, info, pp, stringp) | |
3108 | PTR dhandle; | |
3109 | struct stab_handle *info; | |
3110 | const char **pp; | |
b34976b6 | 3111 | bfd_boolean stringp; |
252b5132 RH |
3112 | { |
3113 | const char *orig; | |
3114 | const char *p; | |
3115 | int typenums[2]; | |
3116 | debug_type index_type; | |
b34976b6 | 3117 | bfd_boolean adjustable; |
252b5132 RH |
3118 | bfd_signed_vma lower, upper; |
3119 | debug_type element_type; | |
3120 | ||
3121 | /* Format of an array type: | |
3122 | "ar<index type>;lower;upper;<array_contents_type>". | |
3123 | OS9000: "arlower,upper;<array_contents_type>". | |
3124 | ||
3125 | Fortran adjustable arrays use Adigits or Tdigits for lower or upper; | |
3126 | for these, produce a type like float[][]. */ | |
3127 | ||
3128 | orig = *pp; | |
3129 | ||
3130 | /* FIXME: gdb checks os9k_stabs here. */ | |
3131 | ||
3132 | /* If the index type is type 0, we take it as int. */ | |
3133 | p = *pp; | |
3134 | if (! parse_stab_type_number (&p, typenums)) | |
3dceb55b | 3135 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3136 | if (typenums[0] == 0 && typenums[1] == 0 && **pp != '=') |
3137 | { | |
3138 | index_type = debug_find_named_type (dhandle, "int"); | |
3139 | if (index_type == DEBUG_TYPE_NULL) | |
3140 | { | |
b34976b6 | 3141 | index_type = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 | 3142 | if (index_type == DEBUG_TYPE_NULL) |
3dceb55b | 3143 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3144 | } |
3145 | *pp = p; | |
3146 | } | |
3147 | else | |
3148 | { | |
3149 | index_type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
3150 | (debug_type **) NULL); | |
3151 | } | |
3152 | ||
3153 | if (**pp != ';') | |
3154 | { | |
3155 | bad_stab (orig); | |
3156 | return DEBUG_TYPE_NULL; | |
3157 | } | |
3158 | ++*pp; | |
3159 | ||
b34976b6 | 3160 | adjustable = FALSE; |
252b5132 | 3161 | |
3882b010 | 3162 | if (! ISDIGIT (**pp) && **pp != '-') |
252b5132 RH |
3163 | { |
3164 | ++*pp; | |
b34976b6 | 3165 | adjustable = TRUE; |
252b5132 RH |
3166 | } |
3167 | ||
b34976b6 | 3168 | lower = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
3169 | if (**pp != ';') |
3170 | { | |
3171 | bad_stab (orig); | |
3dceb55b | 3172 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3173 | } |
3174 | ++*pp; | |
3175 | ||
3882b010 | 3176 | if (! ISDIGIT (**pp) && **pp != '-') |
252b5132 RH |
3177 | { |
3178 | ++*pp; | |
b34976b6 | 3179 | adjustable = TRUE; |
252b5132 RH |
3180 | } |
3181 | ||
b34976b6 | 3182 | upper = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
3183 | if (**pp != ';') |
3184 | { | |
3185 | bad_stab (orig); | |
3dceb55b | 3186 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3187 | } |
3188 | ++*pp; | |
3189 | ||
3190 | element_type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
3191 | (debug_type **) NULL); | |
3192 | if (element_type == DEBUG_TYPE_NULL) | |
3dceb55b | 3193 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3194 | |
3195 | if (adjustable) | |
3196 | { | |
3197 | lower = 0; | |
3198 | upper = -1; | |
3199 | } | |
3200 | ||
3201 | return debug_make_array_type (dhandle, element_type, index_type, lower, | |
3202 | upper, stringp); | |
3203 | } | |
3204 | ||
3205 | /* This struct holds information about files we have seen using | |
3206 | N_BINCL. */ | |
3207 | ||
3208 | struct bincl_file | |
3209 | { | |
3210 | /* The next N_BINCL file. */ | |
3211 | struct bincl_file *next; | |
3212 | /* The next N_BINCL on the stack. */ | |
3213 | struct bincl_file *next_stack; | |
3214 | /* The file name. */ | |
3215 | const char *name; | |
3216 | /* The hash value. */ | |
3217 | bfd_vma hash; | |
3218 | /* The file index. */ | |
3219 | unsigned int file; | |
3220 | /* The list of types defined in this file. */ | |
3221 | struct stab_types *file_types; | |
3222 | }; | |
3223 | ||
3224 | /* Start a new N_BINCL file, pushing it onto the stack. */ | |
3225 | ||
3226 | static void | |
3227 | push_bincl (info, name, hash) | |
3228 | struct stab_handle *info; | |
3229 | const char *name; | |
3230 | bfd_vma hash; | |
3231 | { | |
3232 | struct bincl_file *n; | |
3233 | ||
3234 | n = (struct bincl_file *) xmalloc (sizeof *n); | |
3235 | n->next = info->bincl_list; | |
3236 | n->next_stack = info->bincl_stack; | |
3237 | n->name = name; | |
3238 | n->hash = hash; | |
3239 | n->file = info->files; | |
3240 | n->file_types = NULL; | |
3241 | info->bincl_list = n; | |
3242 | info->bincl_stack = n; | |
3243 | ||
3244 | ++info->files; | |
3245 | info->file_types = ((struct stab_types **) | |
3246 | xrealloc ((PTR) info->file_types, | |
3247 | (info->files | |
3248 | * sizeof *info->file_types))); | |
3249 | info->file_types[n->file] = NULL; | |
3250 | } | |
3251 | ||
3252 | /* Finish an N_BINCL file, at an N_EINCL, popping the name off the | |
3253 | stack. */ | |
3254 | ||
3255 | static const char * | |
3256 | pop_bincl (info) | |
3257 | struct stab_handle *info; | |
3258 | { | |
3259 | struct bincl_file *o; | |
3260 | ||
3261 | o = info->bincl_stack; | |
3262 | if (o == NULL) | |
3263 | return info->main_filename; | |
3264 | info->bincl_stack = o->next_stack; | |
3265 | ||
3266 | o->file_types = info->file_types[o->file]; | |
3267 | ||
3268 | if (info->bincl_stack == NULL) | |
3269 | return info->main_filename; | |
3270 | return info->bincl_stack->name; | |
3271 | } | |
3272 | ||
3273 | /* Handle an N_EXCL: get the types from the corresponding N_BINCL. */ | |
3274 | ||
b34976b6 | 3275 | static bfd_boolean |
252b5132 RH |
3276 | find_excl (info, name, hash) |
3277 | struct stab_handle *info; | |
3278 | const char *name; | |
3279 | bfd_vma hash; | |
3280 | { | |
3281 | struct bincl_file *l; | |
3282 | ||
3283 | ++info->files; | |
3284 | info->file_types = ((struct stab_types **) | |
3285 | xrealloc ((PTR) info->file_types, | |
3286 | (info->files | |
3287 | * sizeof *info->file_types))); | |
3288 | ||
3289 | for (l = info->bincl_list; l != NULL; l = l->next) | |
3290 | if (l->hash == hash && strcmp (l->name, name) == 0) | |
3291 | break; | |
3292 | if (l == NULL) | |
3293 | { | |
3294 | warn_stab (name, _("Undefined N_EXCL")); | |
3295 | info->file_types[info->files - 1] = NULL; | |
b34976b6 | 3296 | return TRUE; |
252b5132 RH |
3297 | } |
3298 | ||
3299 | info->file_types[info->files - 1] = l->file_types; | |
3300 | ||
b34976b6 | 3301 | return TRUE; |
252b5132 RH |
3302 | } |
3303 | ||
3304 | /* Handle a variable definition. gcc emits variable definitions for a | |
3305 | block before the N_LBRAC, so we must hold onto them until we see | |
3306 | it. The SunPRO compiler emits variable definitions after the | |
3307 | N_LBRAC, so we can call debug_record_variable immediately. */ | |
3308 | ||
b34976b6 | 3309 | static bfd_boolean |
252b5132 RH |
3310 | stab_record_variable (dhandle, info, name, type, kind, val) |
3311 | PTR dhandle; | |
3312 | struct stab_handle *info; | |
3313 | const char *name; | |
3314 | debug_type type; | |
3315 | enum debug_var_kind kind; | |
3316 | bfd_vma val; | |
3317 | { | |
3318 | struct stab_pending_var *v; | |
3319 | ||
3320 | if ((kind == DEBUG_GLOBAL || kind == DEBUG_STATIC) | |
3321 | || ! info->within_function | |
3322 | || (info->gcc_compiled == 0 && info->n_opt_found)) | |
3323 | return debug_record_variable (dhandle, name, type, kind, val); | |
3324 | ||
3325 | v = (struct stab_pending_var *) xmalloc (sizeof *v); | |
3326 | memset (v, 0, sizeof *v); | |
3327 | ||
3328 | v->next = info->pending; | |
3329 | v->name = name; | |
3330 | v->type = type; | |
3331 | v->kind = kind; | |
3332 | v->val = val; | |
3333 | info->pending = v; | |
3334 | ||
b34976b6 | 3335 | return TRUE; |
252b5132 RH |
3336 | } |
3337 | ||
3338 | /* Emit pending variable definitions. This is called after we see the | |
3339 | N_LBRAC that starts the block. */ | |
3340 | ||
b34976b6 | 3341 | static bfd_boolean |
252b5132 RH |
3342 | stab_emit_pending_vars (dhandle, info) |
3343 | PTR dhandle; | |
3344 | struct stab_handle *info; | |
3345 | { | |
3346 | struct stab_pending_var *v; | |
3347 | ||
3348 | v = info->pending; | |
3349 | while (v != NULL) | |
3350 | { | |
3351 | struct stab_pending_var *next; | |
3352 | ||
3353 | if (! debug_record_variable (dhandle, v->name, v->type, v->kind, v->val)) | |
b34976b6 | 3354 | return FALSE; |
252b5132 RH |
3355 | |
3356 | next = v->next; | |
3357 | free (v); | |
3358 | v = next; | |
3359 | } | |
3360 | ||
3361 | info->pending = NULL; | |
3362 | ||
b34976b6 | 3363 | return TRUE; |
252b5132 RH |
3364 | } |
3365 | ||
3366 | /* Find the slot for a type in the database. */ | |
3367 | ||
3368 | static debug_type * | |
3369 | stab_find_slot (info, typenums) | |
3370 | struct stab_handle *info; | |
3371 | const int *typenums; | |
3372 | { | |
3373 | int filenum; | |
3374 | int index; | |
3375 | struct stab_types **ps; | |
3376 | ||
3377 | filenum = typenums[0]; | |
3378 | index = typenums[1]; | |
3379 | ||
3380 | if (filenum < 0 || (unsigned int) filenum >= info->files) | |
3381 | { | |
3382 | fprintf (stderr, _("Type file number %d out of range\n"), filenum); | |
3383 | return NULL; | |
3384 | } | |
3385 | if (index < 0) | |
3386 | { | |
3387 | fprintf (stderr, _("Type index number %d out of range\n"), index); | |
3388 | return NULL; | |
3389 | } | |
3390 | ||
3391 | ps = info->file_types + filenum; | |
3392 | ||
3393 | while (index >= STAB_TYPES_SLOTS) | |
3394 | { | |
3395 | if (*ps == NULL) | |
3396 | { | |
3397 | *ps = (struct stab_types *) xmalloc (sizeof **ps); | |
3398 | memset (*ps, 0, sizeof **ps); | |
3399 | } | |
3400 | ps = &(*ps)->next; | |
3401 | index -= STAB_TYPES_SLOTS; | |
3402 | } | |
3403 | if (*ps == NULL) | |
3404 | { | |
3405 | *ps = (struct stab_types *) xmalloc (sizeof **ps); | |
3406 | memset (*ps, 0, sizeof **ps); | |
3407 | } | |
3408 | ||
3409 | return (*ps)->types + index; | |
3410 | } | |
3411 | ||
3412 | /* Find a type given a type number. If the type has not been | |
3413 | allocated yet, create an indirect type. */ | |
3414 | ||
3415 | static debug_type | |
3416 | stab_find_type (dhandle, info, typenums) | |
3417 | PTR dhandle; | |
3418 | struct stab_handle *info; | |
3419 | const int *typenums; | |
3420 | { | |
3421 | debug_type *slot; | |
3422 | ||
3423 | if (typenums[0] == 0 && typenums[1] < 0) | |
3424 | { | |
3425 | /* A negative type number indicates an XCOFF builtin type. */ | |
3426 | return stab_xcoff_builtin_type (dhandle, info, typenums[1]); | |
3427 | } | |
3428 | ||
3429 | slot = stab_find_slot (info, typenums); | |
3430 | if (slot == NULL) | |
3431 | return DEBUG_TYPE_NULL; | |
3432 | ||
3433 | if (*slot == DEBUG_TYPE_NULL) | |
3434 | return debug_make_indirect_type (dhandle, slot, (const char *) NULL); | |
3435 | ||
3436 | return *slot; | |
3437 | } | |
3438 | ||
3439 | /* Record that a given type number refers to a given type. */ | |
3440 | ||
b34976b6 | 3441 | static bfd_boolean |
252b5132 | 3442 | stab_record_type (dhandle, info, typenums, type) |
b4c96d0d | 3443 | PTR dhandle ATTRIBUTE_UNUSED; |
252b5132 RH |
3444 | struct stab_handle *info; |
3445 | const int *typenums; | |
3446 | debug_type type; | |
3447 | { | |
3448 | debug_type *slot; | |
3449 | ||
3450 | slot = stab_find_slot (info, typenums); | |
3451 | if (slot == NULL) | |
b34976b6 | 3452 | return FALSE; |
252b5132 RH |
3453 | |
3454 | /* gdb appears to ignore type redefinitions, so we do as well. */ | |
3455 | ||
3456 | *slot = type; | |
3457 | ||
b34976b6 | 3458 | return TRUE; |
252b5132 RH |
3459 | } |
3460 | ||
3461 | /* Return an XCOFF builtin type. */ | |
3462 | ||
3463 | static debug_type | |
3464 | stab_xcoff_builtin_type (dhandle, info, typenum) | |
3465 | PTR dhandle; | |
3466 | struct stab_handle *info; | |
3467 | int typenum; | |
3468 | { | |
3469 | debug_type rettype; | |
3470 | const char *name; | |
3471 | ||
3472 | if (typenum >= 0 || typenum < -XCOFF_TYPE_COUNT) | |
3473 | { | |
3474 | fprintf (stderr, _("Unrecognized XCOFF type %d\n"), typenum); | |
3475 | return DEBUG_TYPE_NULL; | |
3476 | } | |
3477 | if (info->xcoff_types[-typenum] != NULL) | |
3478 | return info->xcoff_types[-typenum]; | |
3479 | ||
3480 | switch (-typenum) | |
3481 | { | |
3482 | case 1: | |
3483 | /* The size of this and all the other types are fixed, defined | |
3484 | by the debugging format. */ | |
3485 | name = "int"; | |
b34976b6 | 3486 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3487 | break; |
3488 | case 2: | |
3489 | name = "char"; | |
b34976b6 | 3490 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3491 | break; |
3492 | case 3: | |
3493 | name = "short"; | |
b34976b6 | 3494 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3495 | break; |
3496 | case 4: | |
3497 | name = "long"; | |
b34976b6 | 3498 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3499 | break; |
3500 | case 5: | |
3501 | name = "unsigned char"; | |
b34976b6 | 3502 | rettype = debug_make_int_type (dhandle, 1, TRUE); |
252b5132 RH |
3503 | break; |
3504 | case 6: | |
3505 | name = "signed char"; | |
b34976b6 | 3506 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3507 | break; |
3508 | case 7: | |
3509 | name = "unsigned short"; | |
b34976b6 | 3510 | rettype = debug_make_int_type (dhandle, 2, TRUE); |
252b5132 RH |
3511 | break; |
3512 | case 8: | |
3513 | name = "unsigned int"; | |
b34976b6 | 3514 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3515 | break; |
3516 | case 9: | |
3517 | name = "unsigned"; | |
b34976b6 | 3518 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3519 | case 10: |
3520 | name = "unsigned long"; | |
b34976b6 | 3521 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3522 | break; |
3523 | case 11: | |
3524 | name = "void"; | |
3525 | rettype = debug_make_void_type (dhandle); | |
3526 | break; | |
3527 | case 12: | |
3528 | /* IEEE single precision (32 bit). */ | |
3529 | name = "float"; | |
3530 | rettype = debug_make_float_type (dhandle, 4); | |
3531 | break; | |
3532 | case 13: | |
3533 | /* IEEE double precision (64 bit). */ | |
3534 | name = "double"; | |
3535 | rettype = debug_make_float_type (dhandle, 8); | |
3536 | break; | |
3537 | case 14: | |
3538 | /* This is an IEEE double on the RS/6000, and different machines | |
3539 | with different sizes for "long double" should use different | |
3540 | negative type numbers. See stabs.texinfo. */ | |
3541 | name = "long double"; | |
3542 | rettype = debug_make_float_type (dhandle, 8); | |
3543 | break; | |
3544 | case 15: | |
3545 | name = "integer"; | |
b34976b6 | 3546 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3547 | break; |
3548 | case 16: | |
3549 | name = "boolean"; | |
3550 | rettype = debug_make_bool_type (dhandle, 4); | |
3551 | break; | |
3552 | case 17: | |
3553 | name = "short real"; | |
3554 | rettype = debug_make_float_type (dhandle, 4); | |
3555 | break; | |
3556 | case 18: | |
3557 | name = "real"; | |
3558 | rettype = debug_make_float_type (dhandle, 8); | |
3559 | break; | |
3560 | case 19: | |
3561 | /* FIXME */ | |
3562 | name = "stringptr"; | |
3563 | rettype = NULL; | |
3564 | break; | |
3565 | case 20: | |
3566 | /* FIXME */ | |
3567 | name = "character"; | |
b34976b6 | 3568 | rettype = debug_make_int_type (dhandle, 1, TRUE); |
252b5132 RH |
3569 | break; |
3570 | case 21: | |
3571 | name = "logical*1"; | |
3572 | rettype = debug_make_bool_type (dhandle, 1); | |
3573 | break; | |
3574 | case 22: | |
3575 | name = "logical*2"; | |
3576 | rettype = debug_make_bool_type (dhandle, 2); | |
3577 | break; | |
3578 | case 23: | |
3579 | name = "logical*4"; | |
3580 | rettype = debug_make_bool_type (dhandle, 4); | |
3581 | break; | |
3582 | case 24: | |
3583 | name = "logical"; | |
3584 | rettype = debug_make_bool_type (dhandle, 4); | |
3585 | break; | |
3586 | case 25: | |
3587 | /* Complex type consisting of two IEEE single precision values. */ | |
3588 | name = "complex"; | |
3589 | rettype = debug_make_complex_type (dhandle, 8); | |
3590 | break; | |
3591 | case 26: | |
3592 | /* Complex type consisting of two IEEE double precision values. */ | |
3593 | name = "double complex"; | |
3594 | rettype = debug_make_complex_type (dhandle, 16); | |
3595 | break; | |
3596 | case 27: | |
3597 | name = "integer*1"; | |
b34976b6 | 3598 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3599 | break; |
3600 | case 28: | |
3601 | name = "integer*2"; | |
b34976b6 | 3602 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3603 | break; |
3604 | case 29: | |
3605 | name = "integer*4"; | |
b34976b6 | 3606 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3607 | break; |
3608 | case 30: | |
3609 | /* FIXME */ | |
3610 | name = "wchar"; | |
b34976b6 | 3611 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3612 | break; |
3613 | case 31: | |
3614 | name = "long long"; | |
b34976b6 | 3615 | rettype = debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
3616 | break; |
3617 | case 32: | |
3618 | name = "unsigned long long"; | |
b34976b6 | 3619 | rettype = debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
3620 | break; |
3621 | case 33: | |
3622 | name = "logical*8"; | |
3623 | rettype = debug_make_bool_type (dhandle, 8); | |
3624 | break; | |
3625 | case 34: | |
3626 | name = "integer*8"; | |
b34976b6 | 3627 | rettype = debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
3628 | break; |
3629 | default: | |
3630 | abort (); | |
3631 | } | |
3632 | ||
3633 | rettype = debug_name_type (dhandle, name, rettype); | |
3634 | ||
3635 | info->xcoff_types[-typenum] = rettype; | |
3636 | ||
3637 | return rettype; | |
3638 | } | |
3639 | ||
3640 | /* Find or create a tagged type. */ | |
3641 | ||
3642 | static debug_type | |
3643 | stab_find_tagged_type (dhandle, info, p, len, kind) | |
3644 | PTR dhandle; | |
3645 | struct stab_handle *info; | |
3646 | const char *p; | |
3647 | int len; | |
3648 | enum debug_type_kind kind; | |
3649 | { | |
3650 | char *name; | |
3651 | debug_type dtype; | |
3652 | struct stab_tag *st; | |
3653 | ||
3654 | name = savestring (p, len); | |
3655 | ||
3656 | /* We pass DEBUG_KIND_ILLEGAL because we want all tags in the same | |
3657 | namespace. This is right for C, and I don't know how to handle | |
3658 | other languages. FIXME. */ | |
3659 | dtype = debug_find_tagged_type (dhandle, name, DEBUG_KIND_ILLEGAL); | |
3660 | if (dtype != DEBUG_TYPE_NULL) | |
3661 | { | |
3662 | free (name); | |
3663 | return dtype; | |
3664 | } | |
3665 | ||
3666 | /* We need to allocate an entry on the undefined tag list. */ | |
3667 | for (st = info->tags; st != NULL; st = st->next) | |
3668 | { | |
3669 | if (st->name[0] == name[0] | |
3670 | && strcmp (st->name, name) == 0) | |
3671 | { | |
3672 | if (st->kind == DEBUG_KIND_ILLEGAL) | |
3673 | st->kind = kind; | |
3674 | free (name); | |
3675 | break; | |
3676 | } | |
3677 | } | |
3678 | if (st == NULL) | |
3679 | { | |
3680 | st = (struct stab_tag *) xmalloc (sizeof *st); | |
3681 | memset (st, 0, sizeof *st); | |
3682 | ||
3683 | st->next = info->tags; | |
3684 | st->name = name; | |
3685 | st->kind = kind; | |
3686 | st->slot = DEBUG_TYPE_NULL; | |
3687 | st->type = debug_make_indirect_type (dhandle, &st->slot, name); | |
3688 | info->tags = st; | |
3689 | } | |
3690 | ||
3691 | return st->type; | |
3692 | } | |
3693 | \f | |
3694 | /* In order to get the correct argument types for a stubbed method, we | |
3695 | need to extract the argument types from a C++ mangled string. | |
3696 | Since the argument types can refer back to the return type, this | |
3697 | means that we must demangle the entire physical name. In gdb this | |
3698 | is done by calling cplus_demangle and running the results back | |
3699 | through the C++ expression parser. Since we have no expression | |
3700 | parser, we must duplicate much of the work of cplus_demangle here. | |
3701 | ||
3702 | We assume that GNU style demangling is used, since this is only | |
3703 | done for method stubs, and only g++ should output that form of | |
3704 | debugging information. */ | |
3705 | ||
3706 | /* This structure is used to hold a pointer to type information which | |
3707 | demangling a string. */ | |
3708 | ||
3709 | struct stab_demangle_typestring | |
3710 | { | |
3711 | /* The start of the type. This is not null terminated. */ | |
3712 | const char *typestring; | |
3713 | /* The length of the type. */ | |
3714 | unsigned int len; | |
3715 | }; | |
3716 | ||
3717 | /* This structure is used to hold information while demangling a | |
3718 | string. */ | |
3719 | ||
3720 | struct stab_demangle_info | |
3721 | { | |
3722 | /* The debugging information handle. */ | |
3723 | PTR dhandle; | |
3724 | /* The stab information handle. */ | |
3725 | struct stab_handle *info; | |
3726 | /* The array of arguments we are building. */ | |
3727 | debug_type *args; | |
3728 | /* Whether the method takes a variable number of arguments. */ | |
b34976b6 | 3729 | bfd_boolean varargs; |
252b5132 RH |
3730 | /* The array of types we have remembered. */ |
3731 | struct stab_demangle_typestring *typestrings; | |
3732 | /* The number of typestrings. */ | |
3733 | unsigned int typestring_count; | |
3734 | /* The number of typestring slots we have allocated. */ | |
3735 | unsigned int typestring_alloc; | |
3736 | }; | |
3737 | ||
b34976b6 AM |
3738 | static void stab_bad_demangle |
3739 | PARAMS ((const char *)); | |
3740 | static unsigned int stab_demangle_count | |
3741 | PARAMS ((const char **)); | |
3742 | static bfd_boolean stab_demangle_get_count | |
252b5132 | 3743 | PARAMS ((const char **, unsigned int *)); |
b34976b6 | 3744 | static bfd_boolean stab_demangle_prefix |
4b73ca92 | 3745 | PARAMS ((struct stab_demangle_info *, const char **, unsigned int)); |
b34976b6 | 3746 | static bfd_boolean stab_demangle_function_name |
252b5132 | 3747 | PARAMS ((struct stab_demangle_info *, const char **, const char *)); |
b34976b6 | 3748 | static bfd_boolean stab_demangle_signature |
252b5132 | 3749 | PARAMS ((struct stab_demangle_info *, const char **)); |
b34976b6 | 3750 | static bfd_boolean stab_demangle_qualified |
252b5132 | 3751 | PARAMS ((struct stab_demangle_info *, const char **, debug_type *)); |
b34976b6 | 3752 | static bfd_boolean stab_demangle_template |
252b5132 | 3753 | PARAMS ((struct stab_demangle_info *, const char **, char **)); |
b34976b6 | 3754 | static bfd_boolean stab_demangle_class |
252b5132 | 3755 | PARAMS ((struct stab_demangle_info *, const char **, const char **)); |
b34976b6 | 3756 | static bfd_boolean stab_demangle_args |
252b5132 | 3757 | PARAMS ((struct stab_demangle_info *, const char **, debug_type **, |
b34976b6 AM |
3758 | bfd_boolean *)); |
3759 | static bfd_boolean stab_demangle_arg | |
252b5132 RH |
3760 | PARAMS ((struct stab_demangle_info *, const char **, debug_type **, |
3761 | unsigned int *, unsigned int *)); | |
b34976b6 | 3762 | static bfd_boolean stab_demangle_type |
252b5132 | 3763 | PARAMS ((struct stab_demangle_info *, const char **, debug_type *)); |
b34976b6 | 3764 | static bfd_boolean stab_demangle_fund_type |
252b5132 | 3765 | PARAMS ((struct stab_demangle_info *, const char **, debug_type *)); |
b34976b6 | 3766 | static bfd_boolean stab_demangle_remember_type |
252b5132 RH |
3767 | PARAMS ((struct stab_demangle_info *, const char *, int)); |
3768 | ||
3769 | /* Warn about a bad demangling. */ | |
3770 | ||
3771 | static void | |
3772 | stab_bad_demangle (s) | |
3773 | const char *s; | |
3774 | { | |
3775 | fprintf (stderr, _("bad mangled name `%s'\n"), s); | |
3776 | } | |
3777 | ||
3778 | /* Get a count from a stab string. */ | |
3779 | ||
3780 | static unsigned int | |
3781 | stab_demangle_count (pp) | |
3782 | const char **pp; | |
3783 | { | |
3784 | unsigned int count; | |
3785 | ||
3786 | count = 0; | |
3882b010 | 3787 | while (ISDIGIT (**pp)) |
252b5132 RH |
3788 | { |
3789 | count *= 10; | |
3790 | count += **pp - '0'; | |
3791 | ++*pp; | |
3792 | } | |
3793 | return count; | |
3794 | } | |
3795 | ||
3796 | /* Require a count in a string. The count may be multiple digits, in | |
3797 | which case it must end in an underscore. */ | |
3798 | ||
b34976b6 | 3799 | static bfd_boolean |
252b5132 RH |
3800 | stab_demangle_get_count (pp, pi) |
3801 | const char **pp; | |
3802 | unsigned int *pi; | |
3803 | { | |
3882b010 | 3804 | if (! ISDIGIT (**pp)) |
b34976b6 | 3805 | return FALSE; |
252b5132 RH |
3806 | |
3807 | *pi = **pp - '0'; | |
3808 | ++*pp; | |
3882b010 | 3809 | if (ISDIGIT (**pp)) |
252b5132 RH |
3810 | { |
3811 | unsigned int count; | |
3812 | const char *p; | |
3813 | ||
3814 | count = *pi; | |
3815 | p = *pp; | |
3816 | do | |
3817 | { | |
3818 | count *= 10; | |
3819 | count += *p - '0'; | |
3820 | ++p; | |
3821 | } | |
3882b010 | 3822 | while (ISDIGIT (*p)); |
252b5132 RH |
3823 | if (*p == '_') |
3824 | { | |
3825 | *pp = p + 1; | |
3826 | *pi = count; | |
3827 | } | |
3828 | } | |
3829 | ||
b34976b6 | 3830 | return TRUE; |
252b5132 RH |
3831 | } |
3832 | ||
3833 | /* This function demangles a physical name, returning a NULL | |
3834 | terminated array of argument types. */ | |
3835 | ||
3836 | static debug_type * | |
4b73ca92 | 3837 | stab_demangle_argtypes (dhandle, info, physname, pvarargs, physname_len) |
252b5132 RH |
3838 | PTR dhandle; |
3839 | struct stab_handle *info; | |
3840 | const char *physname; | |
b34976b6 | 3841 | bfd_boolean *pvarargs; |
4b73ca92 | 3842 | unsigned int physname_len; |
252b5132 RH |
3843 | { |
3844 | struct stab_demangle_info minfo; | |
3845 | ||
3846 | minfo.dhandle = dhandle; | |
3847 | minfo.info = info; | |
3848 | minfo.args = NULL; | |
b34976b6 | 3849 | minfo.varargs = FALSE; |
252b5132 RH |
3850 | minfo.typestring_alloc = 10; |
3851 | minfo.typestrings = ((struct stab_demangle_typestring *) | |
3852 | xmalloc (minfo.typestring_alloc | |
3853 | * sizeof *minfo.typestrings)); | |
3854 | minfo.typestring_count = 0; | |
3855 | ||
3856 | /* cplus_demangle checks for special GNU mangled forms, but we can't | |
3857 | see any of them in mangled method argument types. */ | |
3858 | ||
4b73ca92 | 3859 | if (! stab_demangle_prefix (&minfo, &physname, physname_len)) |
252b5132 RH |
3860 | goto error_return; |
3861 | ||
3862 | if (*physname != '\0') | |
3863 | { | |
3864 | if (! stab_demangle_signature (&minfo, &physname)) | |
3865 | goto error_return; | |
3866 | } | |
3867 | ||
3868 | free (minfo.typestrings); | |
3869 | minfo.typestrings = NULL; | |
3870 | ||
3871 | if (minfo.args == NULL) | |
3872 | fprintf (stderr, _("no argument types in mangled string\n")); | |
3873 | ||
3874 | *pvarargs = minfo.varargs; | |
3875 | return minfo.args; | |
3876 | ||
3877 | error_return: | |
3878 | if (minfo.typestrings != NULL) | |
3879 | free (minfo.typestrings); | |
3880 | return NULL; | |
3881 | } | |
3882 | ||
3883 | /* Demangle the prefix of the mangled name. */ | |
3884 | ||
b34976b6 | 3885 | static bfd_boolean |
4b73ca92 | 3886 | stab_demangle_prefix (minfo, pp, physname_len) |
252b5132 RH |
3887 | struct stab_demangle_info *minfo; |
3888 | const char **pp; | |
4b73ca92 | 3889 | unsigned int physname_len; |
252b5132 RH |
3890 | { |
3891 | const char *scan; | |
3892 | unsigned int i; | |
3893 | ||
3894 | /* cplus_demangle checks for global constructors and destructors, | |
3895 | but we can't see them in mangled argument types. */ | |
3896 | ||
4b73ca92 NC |
3897 | if (physname_len) |
3898 | scan = *pp + physname_len; | |
3899 | else | |
252b5132 | 3900 | { |
4b73ca92 NC |
3901 | /* Look for `__'. */ |
3902 | scan = *pp; | |
3903 | do | |
3904 | scan = strchr (scan, '_'); | |
3905 | while (scan != NULL && *++scan != '_'); | |
252b5132 | 3906 | |
4b73ca92 NC |
3907 | if (scan == NULL) |
3908 | { | |
3909 | stab_bad_demangle (*pp); | |
b34976b6 | 3910 | return FALSE; |
4b73ca92 | 3911 | } |
252b5132 | 3912 | |
4b73ca92 | 3913 | --scan; |
252b5132 | 3914 | |
4b73ca92 NC |
3915 | /* We found `__'; move ahead to the last contiguous `__' pair. */ |
3916 | i = strspn (scan, "_"); | |
3917 | if (i > 2) | |
3918 | scan += i - 2; | |
3919 | } | |
252b5132 RH |
3920 | |
3921 | if (scan == *pp | |
3882b010 | 3922 | && (ISDIGIT (scan[2]) |
252b5132 RH |
3923 | || scan[2] == 'Q' |
3924 | || scan[2] == 't')) | |
3925 | { | |
3926 | /* This is a GNU style constructor name. */ | |
3927 | *pp = scan + 2; | |
b34976b6 | 3928 | return TRUE; |
252b5132 RH |
3929 | } |
3930 | else if (scan == *pp | |
3882b010 | 3931 | && ! ISDIGIT (scan[2]) |
252b5132 RH |
3932 | && scan[2] != 't') |
3933 | { | |
3934 | /* Look for the `__' that separates the prefix from the | |
3935 | signature. */ | |
3936 | while (*scan == '_') | |
3937 | ++scan; | |
3938 | scan = strstr (scan, "__"); | |
3939 | if (scan == NULL || scan[2] == '\0') | |
3940 | { | |
3941 | stab_bad_demangle (*pp); | |
b34976b6 | 3942 | return FALSE; |
252b5132 RH |
3943 | } |
3944 | ||
3945 | return stab_demangle_function_name (minfo, pp, scan); | |
3946 | } | |
3947 | else if (scan[2] != '\0') | |
3948 | { | |
3949 | /* The name doesn't start with `__', but it does contain `__'. */ | |
3950 | return stab_demangle_function_name (minfo, pp, scan); | |
3951 | } | |
3952 | else | |
3953 | { | |
3954 | stab_bad_demangle (*pp); | |
b34976b6 | 3955 | return FALSE; |
252b5132 RH |
3956 | } |
3957 | /*NOTREACHED*/ | |
3958 | } | |
3959 | ||
3960 | /* Demangle a function name prefix. The scan argument points to the | |
3961 | double underscore which separates the function name from the | |
3962 | signature. */ | |
3963 | ||
b34976b6 | 3964 | static bfd_boolean |
252b5132 RH |
3965 | stab_demangle_function_name (minfo, pp, scan) |
3966 | struct stab_demangle_info *minfo; | |
3967 | const char **pp; | |
3968 | const char *scan; | |
3969 | { | |
3970 | const char *name; | |
3971 | ||
3972 | /* The string from *pp to scan is the name of the function. We | |
3973 | don't care about the name, since we just looking for argument | |
3974 | types. However, for conversion operators, the name may include a | |
3975 | type which we must remember in order to handle backreferences. */ | |
3976 | ||
3977 | name = *pp; | |
3978 | *pp = scan + 2; | |
3979 | ||
3980 | if (*pp - name >= 5 | |
3981 | && strncmp (name, "type", 4) == 0 | |
3982 | && (name[4] == '$' || name[4] == '.')) | |
3983 | { | |
3984 | const char *tem; | |
3985 | ||
3986 | /* This is a type conversion operator. */ | |
3987 | tem = name + 5; | |
3988 | if (! stab_demangle_type (minfo, &tem, (debug_type *) NULL)) | |
b34976b6 | 3989 | return FALSE; |
252b5132 RH |
3990 | } |
3991 | else if (name[0] == '_' | |
3992 | && name[1] == '_' | |
3993 | && name[2] == 'o' | |
3994 | && name[3] == 'p') | |
3995 | { | |
3996 | const char *tem; | |
3997 | ||
3998 | /* This is a type conversion operator. */ | |
3999 | tem = name + 4; | |
4000 | if (! stab_demangle_type (minfo, &tem, (debug_type *) NULL)) | |
b34976b6 | 4001 | return FALSE; |
252b5132 RH |
4002 | } |
4003 | ||
b34976b6 | 4004 | return TRUE; |
252b5132 RH |
4005 | } |
4006 | ||
4007 | /* Demangle the signature. This is where the argument types are | |
4008 | found. */ | |
4009 | ||
b34976b6 | 4010 | static bfd_boolean |
252b5132 RH |
4011 | stab_demangle_signature (minfo, pp) |
4012 | struct stab_demangle_info *minfo; | |
4013 | const char **pp; | |
4014 | { | |
4015 | const char *orig; | |
b34976b6 | 4016 | bfd_boolean expect_func, func_done; |
252b5132 RH |
4017 | const char *hold; |
4018 | ||
4019 | orig = *pp; | |
4020 | ||
b34976b6 AM |
4021 | expect_func = FALSE; |
4022 | func_done = FALSE; | |
252b5132 RH |
4023 | hold = NULL; |
4024 | ||
4025 | while (**pp != '\0') | |
4026 | { | |
4027 | switch (**pp) | |
4028 | { | |
4029 | case 'Q': | |
4030 | hold = *pp; | |
4031 | if (! stab_demangle_qualified (minfo, pp, (debug_type *) NULL) | |
4032 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 AM |
4033 | return FALSE; |
4034 | expect_func = TRUE; | |
252b5132 RH |
4035 | hold = NULL; |
4036 | break; | |
4037 | ||
4038 | case 'S': | |
4039 | /* Static member function. FIXME: Can this happen? */ | |
4040 | if (hold == NULL) | |
4041 | hold = *pp; | |
4042 | ++*pp; | |
4043 | break; | |
4044 | ||
4045 | case 'C': | |
4046 | /* Const member function. */ | |
4047 | if (hold == NULL) | |
4048 | hold = *pp; | |
4049 | ++*pp; | |
4050 | break; | |
4051 | ||
4052 | case '0': case '1': case '2': case '3': case '4': | |
4053 | case '5': case '6': case '7': case '8': case '9': | |
4054 | if (hold == NULL) | |
4055 | hold = *pp; | |
4056 | if (! stab_demangle_class (minfo, pp, (const char **) NULL) | |
4057 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 AM |
4058 | return FALSE; |
4059 | expect_func = TRUE; | |
252b5132 RH |
4060 | hold = NULL; |
4061 | break; | |
4062 | ||
4063 | case 'F': | |
4064 | /* Function. I don't know if this actually happens with g++ | |
4065 | output. */ | |
4066 | hold = NULL; | |
b34976b6 | 4067 | func_done = TRUE; |
252b5132 RH |
4068 | ++*pp; |
4069 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) | |
b34976b6 | 4070 | return FALSE; |
252b5132 RH |
4071 | break; |
4072 | ||
4073 | case 't': | |
4074 | /* Template. */ | |
4075 | if (hold == NULL) | |
4076 | hold = *pp; | |
4077 | if (! stab_demangle_template (minfo, pp, (char **) NULL) | |
4078 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 | 4079 | return FALSE; |
252b5132 | 4080 | hold = NULL; |
b34976b6 | 4081 | expect_func = TRUE; |
252b5132 RH |
4082 | break; |
4083 | ||
4084 | case '_': | |
4085 | /* At the outermost level, we cannot have a return type | |
4086 | specified, so if we run into another '_' at this point we | |
4087 | are dealing with a mangled name that is either bogus, or | |
4088 | has been mangled by some algorithm we don't know how to | |
4089 | deal with. So just reject the entire demangling. */ | |
4090 | stab_bad_demangle (orig); | |
b34976b6 | 4091 | return FALSE; |
252b5132 RH |
4092 | |
4093 | default: | |
4094 | /* Assume we have stumbled onto the first outermost function | |
4095 | argument token, and start processing args. */ | |
b34976b6 | 4096 | func_done = TRUE; |
252b5132 | 4097 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) |
b34976b6 | 4098 | return FALSE; |
252b5132 RH |
4099 | break; |
4100 | } | |
4101 | ||
4102 | if (expect_func) | |
4103 | { | |
b34976b6 | 4104 | func_done = TRUE; |
252b5132 | 4105 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) |
b34976b6 | 4106 | return FALSE; |
252b5132 RH |
4107 | } |
4108 | } | |
4109 | ||
4110 | if (! func_done) | |
4111 | { | |
4112 | /* With GNU style demangling, bar__3foo is 'foo::bar(void)', and | |
4113 | bar__3fooi is 'foo::bar(int)'. We get here when we find the | |
4114 | first case, and need to ensure that the '(void)' gets added | |
4115 | to the current declp. */ | |
4116 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) | |
b34976b6 | 4117 | return FALSE; |
252b5132 RH |
4118 | } |
4119 | ||
b34976b6 | 4120 | return TRUE; |
252b5132 RH |
4121 | } |
4122 | ||
4123 | /* Demangle a qualified name, such as "Q25Outer5Inner" which is the | |
4124 | mangled form of "Outer::Inner". */ | |
4125 | ||
b34976b6 | 4126 | static bfd_boolean |
252b5132 RH |
4127 | stab_demangle_qualified (minfo, pp, ptype) |
4128 | struct stab_demangle_info *minfo; | |
4129 | const char **pp; | |
4130 | debug_type *ptype; | |
4131 | { | |
4132 | const char *orig; | |
4133 | const char *p; | |
4134 | unsigned int qualifiers; | |
4135 | debug_type context; | |
4136 | ||
4137 | orig = *pp; | |
4138 | ||
4139 | switch ((*pp)[1]) | |
4140 | { | |
4141 | case '_': | |
4142 | /* GNU mangled name with more than 9 classes. The count is | |
4143 | preceded by an underscore (to distinguish it from the <= 9 | |
4144 | case) and followed by an underscore. */ | |
4145 | p = *pp + 2; | |
3882b010 | 4146 | if (! ISDIGIT (*p) || *p == '0') |
252b5132 RH |
4147 | { |
4148 | stab_bad_demangle (orig); | |
b34976b6 | 4149 | return FALSE; |
252b5132 RH |
4150 | } |
4151 | qualifiers = atoi (p); | |
3882b010 | 4152 | while (ISDIGIT (*p)) |
252b5132 RH |
4153 | ++p; |
4154 | if (*p != '_') | |
4155 | { | |
4156 | stab_bad_demangle (orig); | |
b34976b6 | 4157 | return FALSE; |
252b5132 RH |
4158 | } |
4159 | *pp = p + 1; | |
4160 | break; | |
4161 | ||
4162 | case '1': case '2': case '3': case '4': case '5': | |
4163 | case '6': case '7': case '8': case '9': | |
4164 | qualifiers = (*pp)[1] - '0'; | |
4165 | /* Skip an optional underscore after the count. */ | |
4166 | if ((*pp)[2] == '_') | |
4167 | ++*pp; | |
4168 | *pp += 2; | |
4169 | break; | |
4170 | ||
4171 | case '0': | |
4172 | default: | |
4173 | stab_bad_demangle (orig); | |
b34976b6 | 4174 | return FALSE; |
252b5132 RH |
4175 | } |
4176 | ||
4177 | context = DEBUG_TYPE_NULL; | |
4178 | ||
4179 | /* Pick off the names. */ | |
4180 | while (qualifiers-- > 0) | |
4181 | { | |
4182 | if (**pp == '_') | |
4183 | ++*pp; | |
4184 | if (**pp == 't') | |
4185 | { | |
4186 | char *name; | |
4187 | ||
4188 | if (! stab_demangle_template (minfo, pp, | |
4189 | ptype != NULL ? &name : NULL)) | |
b34976b6 | 4190 | return FALSE; |
252b5132 RH |
4191 | |
4192 | if (ptype != NULL) | |
4193 | { | |
4194 | context = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
4195 | name, strlen (name), | |
4196 | DEBUG_KIND_CLASS); | |
4197 | free (name); | |
4198 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 4199 | return FALSE; |
252b5132 RH |
4200 | } |
4201 | } | |
4202 | else | |
4203 | { | |
4204 | unsigned int len; | |
4205 | ||
4206 | len = stab_demangle_count (pp); | |
4207 | if (strlen (*pp) < len) | |
4208 | { | |
4209 | stab_bad_demangle (orig); | |
b34976b6 | 4210 | return FALSE; |
252b5132 RH |
4211 | } |
4212 | ||
4213 | if (ptype != NULL) | |
4214 | { | |
4215 | const debug_field *fields; | |
4216 | ||
4217 | fields = NULL; | |
4218 | if (context != DEBUG_TYPE_NULL) | |
4219 | fields = debug_get_fields (minfo->dhandle, context); | |
4220 | ||
4221 | context = DEBUG_TYPE_NULL; | |
4222 | ||
4223 | if (fields != NULL) | |
4224 | { | |
4225 | char *name; | |
4226 | ||
4227 | /* Try to find the type by looking through the | |
4228 | fields of context until we find a field with the | |
4229 | same type. This ought to work for a class | |
4230 | defined within a class, but it won't work for, | |
4231 | e.g., an enum defined within a class. stabs does | |
4232 | not give us enough information to figure out the | |
4233 | latter case. */ | |
4234 | ||
4235 | name = savestring (*pp, len); | |
4236 | ||
4237 | for (; *fields != DEBUG_FIELD_NULL; fields++) | |
4238 | { | |
4239 | debug_type ft; | |
4240 | const char *dn; | |
4241 | ||
4242 | ft = debug_get_field_type (minfo->dhandle, *fields); | |
4243 | if (ft == NULL) | |
b34976b6 | 4244 | return FALSE; |
252b5132 RH |
4245 | dn = debug_get_type_name (minfo->dhandle, ft); |
4246 | if (dn != NULL && strcmp (dn, name) == 0) | |
4247 | { | |
4248 | context = ft; | |
4249 | break; | |
4250 | } | |
4251 | } | |
4252 | ||
4253 | free (name); | |
4254 | } | |
4255 | ||
4256 | if (context == DEBUG_TYPE_NULL) | |
4257 | { | |
4258 | /* We have to fall back on finding the type by name. | |
4259 | If there are more types to come, then this must | |
4260 | be a class. Otherwise, it could be anything. */ | |
4261 | ||
4262 | if (qualifiers == 0) | |
4263 | { | |
4264 | char *name; | |
4265 | ||
4266 | name = savestring (*pp, len); | |
4267 | context = debug_find_named_type (minfo->dhandle, | |
4268 | name); | |
4269 | free (name); | |
4270 | } | |
4271 | ||
4272 | if (context == DEBUG_TYPE_NULL) | |
4273 | { | |
4274 | context = stab_find_tagged_type (minfo->dhandle, | |
4275 | minfo->info, | |
4276 | *pp, len, | |
4277 | (qualifiers == 0 | |
4278 | ? DEBUG_KIND_ILLEGAL | |
4279 | : DEBUG_KIND_CLASS)); | |
4280 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 4281 | return FALSE; |
252b5132 RH |
4282 | } |
4283 | } | |
4284 | } | |
4285 | ||
4286 | *pp += len; | |
4287 | } | |
4288 | } | |
4289 | ||
4290 | if (ptype != NULL) | |
4291 | *ptype = context; | |
4292 | ||
b34976b6 | 4293 | return TRUE; |
252b5132 RH |
4294 | } |
4295 | ||
4296 | /* Demangle a template. If PNAME is not NULL, this sets *PNAME to a | |
4297 | string representation of the template. */ | |
4298 | ||
b34976b6 | 4299 | static bfd_boolean |
252b5132 RH |
4300 | stab_demangle_template (minfo, pp, pname) |
4301 | struct stab_demangle_info *minfo; | |
4302 | const char **pp; | |
4303 | char **pname; | |
4304 | { | |
4305 | const char *orig; | |
4306 | unsigned int r, i; | |
4307 | ||
4308 | orig = *pp; | |
4309 | ||
4310 | ++*pp; | |
4311 | ||
4312 | /* Skip the template name. */ | |
4313 | r = stab_demangle_count (pp); | |
4314 | if (r == 0 || strlen (*pp) < r) | |
4315 | { | |
4316 | stab_bad_demangle (orig); | |
b34976b6 | 4317 | return FALSE; |
252b5132 RH |
4318 | } |
4319 | *pp += r; | |
4320 | ||
4321 | /* Get the size of the parameter list. */ | |
4322 | if (stab_demangle_get_count (pp, &r) == 0) | |
4323 | { | |
4324 | stab_bad_demangle (orig); | |
b34976b6 | 4325 | return FALSE; |
252b5132 RH |
4326 | } |
4327 | ||
4328 | for (i = 0; i < r; i++) | |
4329 | { | |
4330 | if (**pp == 'Z') | |
4331 | { | |
4332 | /* This is a type parameter. */ | |
4333 | ++*pp; | |
4334 | if (! stab_demangle_type (minfo, pp, (debug_type *) NULL)) | |
b34976b6 | 4335 | return FALSE; |
252b5132 RH |
4336 | } |
4337 | else | |
4338 | { | |
4339 | const char *old_p; | |
b34976b6 AM |
4340 | bfd_boolean pointerp, realp, integralp, charp, boolp; |
4341 | bfd_boolean done; | |
252b5132 RH |
4342 | |
4343 | old_p = *pp; | |
b34976b6 AM |
4344 | pointerp = FALSE; |
4345 | realp = FALSE; | |
4346 | integralp = FALSE; | |
4347 | charp = FALSE; | |
4348 | boolp = FALSE; | |
4349 | done = FALSE; | |
252b5132 RH |
4350 | |
4351 | /* This is a value parameter. */ | |
4352 | ||
4353 | if (! stab_demangle_type (minfo, pp, (debug_type *) NULL)) | |
b34976b6 | 4354 | return FALSE; |
252b5132 RH |
4355 | |
4356 | while (*old_p != '\0' && ! done) | |
4357 | { | |
4358 | switch (*old_p) | |
4359 | { | |
4360 | case 'P': | |
4361 | case 'p': | |
4362 | case 'R': | |
b34976b6 AM |
4363 | pointerp = TRUE; |
4364 | done = TRUE; | |
252b5132 RH |
4365 | break; |
4366 | case 'C': /* Const. */ | |
4367 | case 'S': /* Signed. */ | |
4368 | case 'U': /* Unsigned. */ | |
4369 | case 'V': /* Volatile. */ | |
4370 | case 'F': /* Function. */ | |
4371 | case 'M': /* Member function. */ | |
4372 | case 'O': /* ??? */ | |
4373 | ++old_p; | |
4374 | break; | |
4375 | case 'Q': /* Qualified name. */ | |
b34976b6 AM |
4376 | integralp = TRUE; |
4377 | done = TRUE; | |
252b5132 RH |
4378 | break; |
4379 | case 'T': /* Remembered type. */ | |
4380 | abort (); | |
4381 | case 'v': /* Void. */ | |
4382 | abort (); | |
4383 | case 'x': /* Long long. */ | |
4384 | case 'l': /* Long. */ | |
4385 | case 'i': /* Int. */ | |
4386 | case 's': /* Short. */ | |
4387 | case 'w': /* Wchar_t. */ | |
b34976b6 AM |
4388 | integralp = TRUE; |
4389 | done = TRUE; | |
252b5132 RH |
4390 | break; |
4391 | case 'b': /* Bool. */ | |
b34976b6 AM |
4392 | boolp = TRUE; |
4393 | done = TRUE; | |
252b5132 RH |
4394 | break; |
4395 | case 'c': /* Char. */ | |
b34976b6 AM |
4396 | charp = TRUE; |
4397 | done = TRUE; | |
252b5132 RH |
4398 | break; |
4399 | case 'r': /* Long double. */ | |
4400 | case 'd': /* Double. */ | |
4401 | case 'f': /* Float. */ | |
b34976b6 AM |
4402 | realp = TRUE; |
4403 | done = TRUE; | |
252b5132 RH |
4404 | break; |
4405 | default: | |
4406 | /* Assume it's a user defined integral type. */ | |
b34976b6 AM |
4407 | integralp = TRUE; |
4408 | done = TRUE; | |
252b5132 RH |
4409 | break; |
4410 | } | |
4411 | } | |
4412 | ||
4413 | if (integralp) | |
4414 | { | |
4415 | if (**pp == 'm') | |
4416 | ++*pp; | |
3882b010 | 4417 | while (ISDIGIT (**pp)) |
252b5132 RH |
4418 | ++*pp; |
4419 | } | |
4420 | else if (charp) | |
4421 | { | |
4422 | unsigned int val; | |
4423 | ||
4424 | if (**pp == 'm') | |
4425 | ++*pp; | |
4426 | val = stab_demangle_count (pp); | |
4427 | if (val == 0) | |
4428 | { | |
4429 | stab_bad_demangle (orig); | |
b34976b6 | 4430 | return FALSE; |
252b5132 RH |
4431 | } |
4432 | } | |
4433 | else if (boolp) | |
4434 | { | |
4435 | unsigned int val; | |
4436 | ||
4437 | val = stab_demangle_count (pp); | |
4438 | if (val != 0 && val != 1) | |
4439 | { | |
4440 | stab_bad_demangle (orig); | |
b34976b6 | 4441 | return FALSE; |
252b5132 RH |
4442 | } |
4443 | } | |
4444 | else if (realp) | |
4445 | { | |
4446 | if (**pp == 'm') | |
4447 | ++*pp; | |
3882b010 | 4448 | while (ISDIGIT (**pp)) |
252b5132 RH |
4449 | ++*pp; |
4450 | if (**pp == '.') | |
4451 | { | |
4452 | ++*pp; | |
3882b010 | 4453 | while (ISDIGIT (**pp)) |
252b5132 RH |
4454 | ++*pp; |
4455 | } | |
4456 | if (**pp == 'e') | |
4457 | { | |
4458 | ++*pp; | |
3882b010 | 4459 | while (ISDIGIT (**pp)) |
252b5132 RH |
4460 | ++*pp; |
4461 | } | |
4462 | } | |
4463 | else if (pointerp) | |
4464 | { | |
4465 | unsigned int len; | |
4466 | ||
4467 | if (! stab_demangle_get_count (pp, &len)) | |
4468 | { | |
4469 | stab_bad_demangle (orig); | |
b34976b6 | 4470 | return FALSE; |
252b5132 RH |
4471 | } |
4472 | *pp += len; | |
4473 | } | |
4474 | } | |
4475 | } | |
4476 | ||
4477 | /* We can translate this to a string fairly easily by invoking the | |
4478 | regular demangling routine. */ | |
4479 | if (pname != NULL) | |
4480 | { | |
d81d6584 | 4481 | char *s1, *s2, *s3, *s4 = NULL; |
252b5132 RH |
4482 | char *from, *to; |
4483 | ||
4484 | s1 = savestring (orig, *pp - orig); | |
4485 | ||
4486 | s2 = concat ("NoSuchStrinG__", s1, (const char *) NULL); | |
4487 | ||
4488 | free (s1); | |
4489 | ||
4490 | s3 = cplus_demangle (s2, DMGL_ANSI); | |
4491 | ||
4492 | free (s2); | |
4493 | ||
4494 | if (s3 != NULL) | |
4495 | s4 = strstr (s3, "::NoSuchStrinG"); | |
4496 | if (s3 == NULL || s4 == NULL) | |
4497 | { | |
4498 | stab_bad_demangle (orig); | |
4499 | if (s3 != NULL) | |
4500 | free (s3); | |
b34976b6 | 4501 | return FALSE; |
252b5132 RH |
4502 | } |
4503 | ||
4504 | /* Eliminating all spaces, except those between > characters, | |
4505 | makes it more likely that the demangled name will match the | |
4506 | name which g++ used as the structure name. */ | |
4507 | for (from = to = s3; from != s4; ++from) | |
4508 | if (*from != ' ' | |
4509 | || (from[1] == '>' && from > s3 && from[-1] == '>')) | |
4510 | *to++ = *from; | |
4511 | ||
4512 | *pname = savestring (s3, to - s3); | |
4513 | ||
4514 | free (s3); | |
4515 | } | |
4516 | ||
b34976b6 | 4517 | return TRUE; |
252b5132 RH |
4518 | } |
4519 | ||
4520 | /* Demangle a class name. */ | |
4521 | ||
b34976b6 | 4522 | static bfd_boolean |
252b5132 | 4523 | stab_demangle_class (minfo, pp, pstart) |
b4c96d0d | 4524 | struct stab_demangle_info *minfo ATTRIBUTE_UNUSED; |
252b5132 RH |
4525 | const char **pp; |
4526 | const char **pstart; | |
4527 | { | |
4528 | const char *orig; | |
4529 | unsigned int n; | |
4530 | ||
4531 | orig = *pp; | |
4532 | ||
4533 | n = stab_demangle_count (pp); | |
4534 | if (strlen (*pp) < n) | |
4535 | { | |
4536 | stab_bad_demangle (orig); | |
b34976b6 | 4537 | return FALSE; |
252b5132 RH |
4538 | } |
4539 | ||
4540 | if (pstart != NULL) | |
4541 | *pstart = *pp; | |
4542 | ||
4543 | *pp += n; | |
4544 | ||
b34976b6 | 4545 | return TRUE; |
252b5132 RH |
4546 | } |
4547 | ||
4548 | /* Demangle function arguments. If the pargs argument is not NULL, it | |
4549 | is set to a NULL terminated array holding the arguments. */ | |
4550 | ||
b34976b6 | 4551 | static bfd_boolean |
252b5132 RH |
4552 | stab_demangle_args (minfo, pp, pargs, pvarargs) |
4553 | struct stab_demangle_info *minfo; | |
4554 | const char **pp; | |
4555 | debug_type **pargs; | |
b34976b6 | 4556 | bfd_boolean *pvarargs; |
252b5132 RH |
4557 | { |
4558 | const char *orig; | |
4559 | unsigned int alloc, count; | |
4560 | ||
4561 | orig = *pp; | |
4562 | ||
4563 | alloc = 10; | |
4564 | if (pargs != NULL) | |
4565 | { | |
4566 | *pargs = (debug_type *) xmalloc (alloc * sizeof **pargs); | |
b34976b6 | 4567 | *pvarargs = FALSE; |
252b5132 RH |
4568 | } |
4569 | count = 0; | |
4570 | ||
4571 | while (**pp != '_' && **pp != '\0' && **pp != 'e') | |
4572 | { | |
4573 | if (**pp == 'N' || **pp == 'T') | |
4574 | { | |
4575 | char temptype; | |
4576 | unsigned int r, t; | |
4577 | ||
4578 | temptype = **pp; | |
4579 | ++*pp; | |
4580 | ||
4581 | if (temptype == 'T') | |
4582 | r = 1; | |
4583 | else | |
4584 | { | |
4585 | if (! stab_demangle_get_count (pp, &r)) | |
4586 | { | |
4587 | stab_bad_demangle (orig); | |
b34976b6 | 4588 | return FALSE; |
252b5132 RH |
4589 | } |
4590 | } | |
4591 | ||
4592 | if (! stab_demangle_get_count (pp, &t)) | |
4593 | { | |
4594 | stab_bad_demangle (orig); | |
b34976b6 | 4595 | return FALSE; |
252b5132 RH |
4596 | } |
4597 | ||
4598 | if (t >= minfo->typestring_count) | |
4599 | { | |
4600 | stab_bad_demangle (orig); | |
b34976b6 | 4601 | return FALSE; |
252b5132 RH |
4602 | } |
4603 | while (r-- > 0) | |
4604 | { | |
4605 | const char *tem; | |
4606 | ||
4607 | tem = minfo->typestrings[t].typestring; | |
4608 | if (! stab_demangle_arg (minfo, &tem, pargs, &count, &alloc)) | |
b34976b6 | 4609 | return FALSE; |
252b5132 RH |
4610 | } |
4611 | } | |
4612 | else | |
4613 | { | |
4614 | if (! stab_demangle_arg (minfo, pp, pargs, &count, &alloc)) | |
b34976b6 | 4615 | return FALSE; |
252b5132 RH |
4616 | } |
4617 | } | |
4618 | ||
4619 | if (pargs != NULL) | |
4620 | (*pargs)[count] = DEBUG_TYPE_NULL; | |
4621 | ||
4622 | if (**pp == 'e') | |
4623 | { | |
4624 | if (pargs != NULL) | |
b34976b6 | 4625 | *pvarargs = TRUE; |
252b5132 RH |
4626 | ++*pp; |
4627 | } | |
4628 | ||
b34976b6 | 4629 | return TRUE; |
252b5132 RH |
4630 | } |
4631 | ||
4632 | /* Demangle a single argument. */ | |
4633 | ||
b34976b6 | 4634 | static bfd_boolean |
252b5132 RH |
4635 | stab_demangle_arg (minfo, pp, pargs, pcount, palloc) |
4636 | struct stab_demangle_info *minfo; | |
4637 | const char **pp; | |
4638 | debug_type **pargs; | |
4639 | unsigned int *pcount; | |
4640 | unsigned int *palloc; | |
4641 | { | |
4642 | const char *start; | |
4643 | debug_type type; | |
4644 | ||
4645 | start = *pp; | |
4646 | if (! stab_demangle_type (minfo, pp, | |
4647 | pargs == NULL ? (debug_type *) NULL : &type) | |
4648 | || ! stab_demangle_remember_type (minfo, start, *pp - start)) | |
b34976b6 | 4649 | return FALSE; |
252b5132 RH |
4650 | |
4651 | if (pargs != NULL) | |
4652 | { | |
4653 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 4654 | return FALSE; |
252b5132 RH |
4655 | |
4656 | if (*pcount + 1 >= *palloc) | |
4657 | { | |
4658 | *palloc += 10; | |
4659 | *pargs = ((debug_type *) | |
4660 | xrealloc (*pargs, *palloc * sizeof **pargs)); | |
4661 | } | |
4662 | (*pargs)[*pcount] = type; | |
4663 | ++*pcount; | |
4664 | } | |
4665 | ||
b34976b6 | 4666 | return TRUE; |
252b5132 RH |
4667 | } |
4668 | ||
4669 | /* Demangle a type. If the ptype argument is not NULL, *ptype is set | |
4670 | to the newly allocated type. */ | |
4671 | ||
b34976b6 | 4672 | static bfd_boolean |
252b5132 RH |
4673 | stab_demangle_type (minfo, pp, ptype) |
4674 | struct stab_demangle_info *minfo; | |
4675 | const char **pp; | |
4676 | debug_type *ptype; | |
4677 | { | |
4678 | const char *orig; | |
4679 | ||
4680 | orig = *pp; | |
4681 | ||
4682 | switch (**pp) | |
4683 | { | |
4684 | case 'P': | |
4685 | case 'p': | |
4686 | /* A pointer type. */ | |
4687 | ++*pp; | |
4688 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4689 | return FALSE; |
252b5132 RH |
4690 | if (ptype != NULL) |
4691 | *ptype = debug_make_pointer_type (minfo->dhandle, *ptype); | |
4692 | break; | |
4693 | ||
4694 | case 'R': | |
4695 | /* A reference type. */ | |
4696 | ++*pp; | |
4697 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4698 | return FALSE; |
252b5132 RH |
4699 | if (ptype != NULL) |
4700 | *ptype = debug_make_reference_type (minfo->dhandle, *ptype); | |
4701 | break; | |
4702 | ||
4703 | case 'A': | |
4704 | /* An array. */ | |
4705 | { | |
4706 | unsigned long high; | |
4707 | ||
4708 | ++*pp; | |
4709 | high = 0; | |
4710 | while (**pp != '\0' && **pp != '_') | |
4711 | { | |
3882b010 | 4712 | if (! ISDIGIT (**pp)) |
252b5132 RH |
4713 | { |
4714 | stab_bad_demangle (orig); | |
b34976b6 | 4715 | return FALSE; |
252b5132 RH |
4716 | } |
4717 | high *= 10; | |
4718 | high += **pp - '0'; | |
4719 | ++*pp; | |
4720 | } | |
4721 | if (**pp != '_') | |
4722 | { | |
4723 | stab_bad_demangle (orig); | |
b34976b6 | 4724 | return FALSE; |
252b5132 RH |
4725 | } |
4726 | ++*pp; | |
4727 | ||
4728 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4729 | return FALSE; |
252b5132 RH |
4730 | if (ptype != NULL) |
4731 | { | |
4732 | debug_type int_type; | |
4733 | ||
4734 | int_type = debug_find_named_type (minfo->dhandle, "int"); | |
4735 | if (int_type == NULL) | |
b34976b6 | 4736 | int_type = debug_make_int_type (minfo->dhandle, 4, FALSE); |
252b5132 | 4737 | *ptype = debug_make_array_type (minfo->dhandle, *ptype, int_type, |
b34976b6 | 4738 | 0, high, FALSE); |
252b5132 RH |
4739 | } |
4740 | } | |
4741 | break; | |
4742 | ||
4743 | case 'T': | |
4744 | /* A back reference to a remembered type. */ | |
4745 | { | |
4746 | unsigned int i; | |
4747 | const char *p; | |
4748 | ||
4749 | ++*pp; | |
4750 | if (! stab_demangle_get_count (pp, &i)) | |
4751 | { | |
4752 | stab_bad_demangle (orig); | |
b34976b6 | 4753 | return FALSE; |
252b5132 RH |
4754 | } |
4755 | if (i >= minfo->typestring_count) | |
4756 | { | |
4757 | stab_bad_demangle (orig); | |
b34976b6 | 4758 | return FALSE; |
252b5132 RH |
4759 | } |
4760 | p = minfo->typestrings[i].typestring; | |
4761 | if (! stab_demangle_type (minfo, &p, ptype)) | |
b34976b6 | 4762 | return FALSE; |
252b5132 RH |
4763 | } |
4764 | break; | |
4765 | ||
4766 | case 'F': | |
4767 | /* A function. */ | |
4768 | { | |
4769 | debug_type *args; | |
b34976b6 | 4770 | bfd_boolean varargs; |
252b5132 RH |
4771 | |
4772 | ++*pp; | |
4773 | if (! stab_demangle_args (minfo, pp, | |
4774 | (ptype == NULL | |
4775 | ? (debug_type **) NULL | |
4776 | : &args), | |
4777 | (ptype == NULL | |
b34976b6 | 4778 | ? (bfd_boolean *) NULL |
252b5132 | 4779 | : &varargs))) |
b34976b6 | 4780 | return FALSE; |
252b5132 RH |
4781 | if (**pp != '_') |
4782 | { | |
4783 | /* cplus_demangle will accept a function without a return | |
4784 | type, but I don't know when that will happen, or what | |
4785 | to do if it does. */ | |
4786 | stab_bad_demangle (orig); | |
b34976b6 | 4787 | return FALSE; |
252b5132 RH |
4788 | } |
4789 | ++*pp; | |
4790 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4791 | return FALSE; |
252b5132 RH |
4792 | if (ptype != NULL) |
4793 | *ptype = debug_make_function_type (minfo->dhandle, *ptype, args, | |
4794 | varargs); | |
4795 | ||
4796 | } | |
4797 | break; | |
4798 | ||
4799 | case 'M': | |
4800 | case 'O': | |
4801 | { | |
b34976b6 | 4802 | bfd_boolean memberp, constp, volatilep; |
c602a165 | 4803 | debug_type class_type = DEBUG_TYPE_NULL; |
252b5132 | 4804 | debug_type *args; |
b34976b6 | 4805 | bfd_boolean varargs; |
252b5132 RH |
4806 | unsigned int n; |
4807 | const char *name; | |
4808 | ||
4809 | memberp = **pp == 'M'; | |
b34976b6 AM |
4810 | constp = FALSE; |
4811 | volatilep = FALSE; | |
252b5132 | 4812 | args = NULL; |
b34976b6 | 4813 | varargs = FALSE; |
252b5132 RH |
4814 | |
4815 | ++*pp; | |
3882b010 | 4816 | if (ISDIGIT (**pp)) |
252b5132 | 4817 | { |
c602a165 ILT |
4818 | n = stab_demangle_count (pp); |
4819 | if (strlen (*pp) < n) | |
4820 | { | |
4821 | stab_bad_demangle (orig); | |
b34976b6 | 4822 | return FALSE; |
c602a165 ILT |
4823 | } |
4824 | name = *pp; | |
4825 | *pp += n; | |
4826 | ||
4827 | if (ptype != NULL) | |
4828 | { | |
4829 | class_type = stab_find_tagged_type (minfo->dhandle, | |
4830 | minfo->info, | |
4831 | name, (int) n, | |
4832 | DEBUG_KIND_CLASS); | |
4833 | if (class_type == DEBUG_TYPE_NULL) | |
b34976b6 | 4834 | return FALSE; |
c602a165 | 4835 | } |
252b5132 | 4836 | } |
c602a165 ILT |
4837 | else if (**pp == 'Q') |
4838 | { | |
4839 | if (! stab_demangle_qualified (minfo, pp, | |
4840 | (ptype == NULL | |
4841 | ? (debug_type *) NULL | |
4842 | : &class_type))) | |
b34976b6 | 4843 | return FALSE; |
c602a165 ILT |
4844 | } |
4845 | else | |
252b5132 RH |
4846 | { |
4847 | stab_bad_demangle (orig); | |
b34976b6 | 4848 | return FALSE; |
252b5132 | 4849 | } |
252b5132 RH |
4850 | |
4851 | if (memberp) | |
4852 | { | |
4853 | if (**pp == 'C') | |
4854 | { | |
b34976b6 | 4855 | constp = TRUE; |
252b5132 RH |
4856 | ++*pp; |
4857 | } | |
4858 | else if (**pp == 'V') | |
4859 | { | |
b34976b6 | 4860 | volatilep = TRUE; |
252b5132 RH |
4861 | ++*pp; |
4862 | } | |
4863 | if (**pp != 'F') | |
4864 | { | |
4865 | stab_bad_demangle (orig); | |
b34976b6 | 4866 | return FALSE; |
252b5132 RH |
4867 | } |
4868 | ++*pp; | |
4869 | if (! stab_demangle_args (minfo, pp, | |
4870 | (ptype == NULL | |
4871 | ? (debug_type **) NULL | |
4872 | : &args), | |
4873 | (ptype == NULL | |
b34976b6 | 4874 | ? (bfd_boolean *) NULL |
252b5132 | 4875 | : &varargs))) |
b34976b6 | 4876 | return FALSE; |
252b5132 RH |
4877 | } |
4878 | ||
4879 | if (**pp != '_') | |
4880 | { | |
4881 | stab_bad_demangle (orig); | |
b34976b6 | 4882 | return FALSE; |
252b5132 RH |
4883 | } |
4884 | ++*pp; | |
4885 | ||
4886 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4887 | return FALSE; |
252b5132 RH |
4888 | |
4889 | if (ptype != NULL) | |
4890 | { | |
252b5132 RH |
4891 | if (! memberp) |
4892 | *ptype = debug_make_offset_type (minfo->dhandle, class_type, | |
4893 | *ptype); | |
4894 | else | |
4895 | { | |
4896 | /* FIXME: We have no way to record constp or | |
4897 | volatilep. */ | |
4898 | *ptype = debug_make_method_type (minfo->dhandle, *ptype, | |
4899 | class_type, args, varargs); | |
4900 | } | |
4901 | } | |
4902 | } | |
4903 | break; | |
4904 | ||
4905 | case 'G': | |
4906 | ++*pp; | |
4907 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4908 | return FALSE; |
252b5132 RH |
4909 | break; |
4910 | ||
4911 | case 'C': | |
4912 | ++*pp; | |
4913 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4914 | return FALSE; |
252b5132 RH |
4915 | if (ptype != NULL) |
4916 | *ptype = debug_make_const_type (minfo->dhandle, *ptype); | |
4917 | break; | |
4918 | ||
4919 | case 'Q': | |
4920 | { | |
4921 | const char *hold; | |
4922 | ||
4923 | hold = *pp; | |
4924 | if (! stab_demangle_qualified (minfo, pp, ptype)) | |
b34976b6 | 4925 | return FALSE; |
252b5132 RH |
4926 | } |
4927 | break; | |
4928 | ||
4929 | default: | |
4930 | if (! stab_demangle_fund_type (minfo, pp, ptype)) | |
b34976b6 | 4931 | return FALSE; |
252b5132 RH |
4932 | break; |
4933 | } | |
4934 | ||
b34976b6 | 4935 | return TRUE; |
252b5132 RH |
4936 | } |
4937 | ||
4938 | /* Demangle a fundamental type. If the ptype argument is not NULL, | |
4939 | *ptype is set to the newly allocated type. */ | |
4940 | ||
b34976b6 | 4941 | static bfd_boolean |
252b5132 RH |
4942 | stab_demangle_fund_type (minfo, pp, ptype) |
4943 | struct stab_demangle_info *minfo; | |
4944 | const char **pp; | |
4945 | debug_type *ptype; | |
4946 | { | |
4947 | const char *orig; | |
b34976b6 AM |
4948 | bfd_boolean constp, volatilep, unsignedp, signedp; |
4949 | bfd_boolean done; | |
252b5132 RH |
4950 | |
4951 | orig = *pp; | |
4952 | ||
b34976b6 AM |
4953 | constp = FALSE; |
4954 | volatilep = FALSE; | |
4955 | unsignedp = FALSE; | |
4956 | signedp = FALSE; | |
252b5132 | 4957 | |
b34976b6 | 4958 | done = FALSE; |
252b5132 RH |
4959 | while (! done) |
4960 | { | |
4961 | switch (**pp) | |
4962 | { | |
4963 | case 'C': | |
b34976b6 | 4964 | constp = TRUE; |
252b5132 RH |
4965 | ++*pp; |
4966 | break; | |
4967 | ||
4968 | case 'U': | |
b34976b6 | 4969 | unsignedp = TRUE; |
252b5132 RH |
4970 | ++*pp; |
4971 | break; | |
4972 | ||
4973 | case 'S': | |
b34976b6 | 4974 | signedp = TRUE; |
252b5132 RH |
4975 | ++*pp; |
4976 | break; | |
4977 | ||
4978 | case 'V': | |
b34976b6 | 4979 | volatilep = TRUE; |
252b5132 RH |
4980 | ++*pp; |
4981 | break; | |
4982 | ||
4983 | default: | |
b34976b6 | 4984 | done = TRUE; |
252b5132 RH |
4985 | break; |
4986 | } | |
4987 | } | |
4988 | ||
4989 | switch (**pp) | |
4990 | { | |
4991 | case '\0': | |
4992 | case '_': | |
4993 | /* cplus_demangle permits this, but I don't know what it means. */ | |
4994 | stab_bad_demangle (orig); | |
4995 | break; | |
4996 | ||
4997 | case 'v': /* void */ | |
4998 | if (ptype != NULL) | |
4999 | { | |
5000 | *ptype = debug_find_named_type (minfo->dhandle, "void"); | |
5001 | if (*ptype == DEBUG_TYPE_NULL) | |
5002 | *ptype = debug_make_void_type (minfo->dhandle); | |
5003 | } | |
5004 | ++*pp; | |
5005 | break; | |
5006 | ||
5007 | case 'x': /* long long */ | |
5008 | if (ptype != NULL) | |
5009 | { | |
5010 | *ptype = debug_find_named_type (minfo->dhandle, | |
5011 | (unsignedp | |
5012 | ? "long long unsigned int" | |
5013 | : "long long int")); | |
5014 | if (*ptype == DEBUG_TYPE_NULL) | |
5015 | *ptype = debug_make_int_type (minfo->dhandle, 8, unsignedp); | |
5016 | } | |
5017 | ++*pp; | |
5018 | break; | |
5019 | ||
5020 | case 'l': /* long */ | |
5021 | if (ptype != NULL) | |
5022 | { | |
5023 | *ptype = debug_find_named_type (minfo->dhandle, | |
5024 | (unsignedp | |
5025 | ? "long unsigned int" | |
5026 | : "long int")); | |
5027 | if (*ptype == DEBUG_TYPE_NULL) | |
5028 | *ptype = debug_make_int_type (minfo->dhandle, 4, unsignedp); | |
5029 | } | |
5030 | ++*pp; | |
5031 | break; | |
5032 | ||
5033 | case 'i': /* int */ | |
5034 | if (ptype != NULL) | |
5035 | { | |
5036 | *ptype = debug_find_named_type (minfo->dhandle, | |
5037 | (unsignedp | |
5038 | ? "unsigned int" | |
5039 | : "int")); | |
5040 | if (*ptype == DEBUG_TYPE_NULL) | |
5041 | *ptype = debug_make_int_type (minfo->dhandle, 4, unsignedp); | |
5042 | } | |
5043 | ++*pp; | |
5044 | break; | |
5045 | ||
5046 | case 's': /* short */ | |
5047 | if (ptype != NULL) | |
5048 | { | |
5049 | *ptype = debug_find_named_type (minfo->dhandle, | |
5050 | (unsignedp | |
5051 | ? "short unsigned int" | |
5052 | : "short int")); | |
5053 | if (*ptype == DEBUG_TYPE_NULL) | |
5054 | *ptype = debug_make_int_type (minfo->dhandle, 2, unsignedp); | |
5055 | } | |
5056 | ++*pp; | |
5057 | break; | |
5058 | ||
5059 | case 'b': /* bool */ | |
5060 | if (ptype != NULL) | |
5061 | { | |
5062 | *ptype = debug_find_named_type (minfo->dhandle, "bool"); | |
5063 | if (*ptype == DEBUG_TYPE_NULL) | |
5064 | *ptype = debug_make_bool_type (minfo->dhandle, 4); | |
5065 | } | |
5066 | ++*pp; | |
5067 | break; | |
5068 | ||
5069 | case 'c': /* char */ | |
5070 | if (ptype != NULL) | |
5071 | { | |
5072 | *ptype = debug_find_named_type (minfo->dhandle, | |
5073 | (unsignedp | |
5074 | ? "unsigned char" | |
5075 | : (signedp | |
5076 | ? "signed char" | |
5077 | : "char"))); | |
5078 | if (*ptype == DEBUG_TYPE_NULL) | |
5079 | *ptype = debug_make_int_type (minfo->dhandle, 1, unsignedp); | |
5080 | } | |
5081 | ++*pp; | |
5082 | break; | |
5083 | ||
5084 | case 'w': /* wchar_t */ | |
5085 | if (ptype != NULL) | |
5086 | { | |
5087 | *ptype = debug_find_named_type (minfo->dhandle, "__wchar_t"); | |
5088 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 5089 | *ptype = debug_make_int_type (minfo->dhandle, 2, TRUE); |
252b5132 RH |
5090 | } |
5091 | ++*pp; | |
5092 | break; | |
5093 | ||
5094 | case 'r': /* long double */ | |
5095 | if (ptype != NULL) | |
5096 | { | |
5097 | *ptype = debug_find_named_type (minfo->dhandle, "long double"); | |
5098 | if (*ptype == DEBUG_TYPE_NULL) | |
5099 | *ptype = debug_make_float_type (minfo->dhandle, 8); | |
5100 | } | |
5101 | ++*pp; | |
5102 | break; | |
5103 | ||
5104 | case 'd': /* double */ | |
5105 | if (ptype != NULL) | |
5106 | { | |
5107 | *ptype = debug_find_named_type (minfo->dhandle, "double"); | |
5108 | if (*ptype == DEBUG_TYPE_NULL) | |
5109 | *ptype = debug_make_float_type (minfo->dhandle, 8); | |
5110 | } | |
5111 | ++*pp; | |
5112 | break; | |
5113 | ||
5114 | case 'f': /* float */ | |
5115 | if (ptype != NULL) | |
5116 | { | |
5117 | *ptype = debug_find_named_type (minfo->dhandle, "float"); | |
5118 | if (*ptype == DEBUG_TYPE_NULL) | |
5119 | *ptype = debug_make_float_type (minfo->dhandle, 4); | |
5120 | } | |
5121 | ++*pp; | |
5122 | break; | |
5123 | ||
5124 | case 'G': | |
5125 | ++*pp; | |
3882b010 | 5126 | if (! ISDIGIT (**pp)) |
252b5132 RH |
5127 | { |
5128 | stab_bad_demangle (orig); | |
b34976b6 | 5129 | return FALSE; |
252b5132 RH |
5130 | } |
5131 | /* Fall through. */ | |
5132 | case '0': case '1': case '2': case '3': case '4': | |
5133 | case '5': case '6': case '7': case '8': case '9': | |
5134 | { | |
5135 | const char *hold; | |
5136 | ||
5137 | if (! stab_demangle_class (minfo, pp, &hold)) | |
b34976b6 | 5138 | return FALSE; |
252b5132 RH |
5139 | if (ptype != NULL) |
5140 | { | |
5141 | char *name; | |
5142 | ||
5143 | name = savestring (hold, *pp - hold); | |
5144 | *ptype = debug_find_named_type (minfo->dhandle, name); | |
5145 | free (name); | |
5146 | if (*ptype == DEBUG_TYPE_NULL) | |
5147 | { | |
5148 | /* FIXME: It is probably incorrect to assume that | |
5149 | undefined types are tagged types. */ | |
5150 | *ptype = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
5151 | hold, *pp - hold, | |
5152 | DEBUG_KIND_ILLEGAL); | |
5153 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 5154 | return FALSE; |
252b5132 RH |
5155 | } |
5156 | } | |
5157 | } | |
5158 | break; | |
5159 | ||
5160 | case 't': | |
5161 | { | |
5162 | char *name; | |
5163 | ||
5164 | if (! stab_demangle_template (minfo, pp, | |
5165 | ptype != NULL ? &name : NULL)) | |
b34976b6 | 5166 | return FALSE; |
252b5132 RH |
5167 | if (ptype != NULL) |
5168 | { | |
5169 | *ptype = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
5170 | name, strlen (name), | |
5171 | DEBUG_KIND_CLASS); | |
5172 | free (name); | |
5173 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 5174 | return FALSE; |
252b5132 RH |
5175 | } |
5176 | } | |
5177 | break; | |
5178 | ||
5179 | default: | |
5180 | stab_bad_demangle (orig); | |
b34976b6 | 5181 | return FALSE; |
252b5132 RH |
5182 | } |
5183 | ||
5184 | if (ptype != NULL) | |
5185 | { | |
5186 | if (constp) | |
5187 | *ptype = debug_make_const_type (minfo->dhandle, *ptype); | |
5188 | if (volatilep) | |
5189 | *ptype = debug_make_volatile_type (minfo->dhandle, *ptype); | |
5190 | } | |
5191 | ||
b34976b6 | 5192 | return TRUE; |
252b5132 RH |
5193 | } |
5194 | ||
5195 | /* Remember a type string in a demangled string. */ | |
5196 | ||
b34976b6 | 5197 | static bfd_boolean |
252b5132 RH |
5198 | stab_demangle_remember_type (minfo, p, len) |
5199 | struct stab_demangle_info *minfo; | |
5200 | const char *p; | |
5201 | int len; | |
5202 | { | |
5203 | if (minfo->typestring_count >= minfo->typestring_alloc) | |
5204 | { | |
5205 | minfo->typestring_alloc += 10; | |
5206 | minfo->typestrings = ((struct stab_demangle_typestring *) | |
5207 | xrealloc (minfo->typestrings, | |
5208 | (minfo->typestring_alloc | |
5209 | * sizeof *minfo->typestrings))); | |
5210 | } | |
5211 | ||
5212 | minfo->typestrings[minfo->typestring_count].typestring = p; | |
5213 | minfo->typestrings[minfo->typestring_count].len = (unsigned int) len; | |
5214 | ++minfo->typestring_count; | |
5215 | ||
b34976b6 | 5216 | return TRUE; |
252b5132 | 5217 | } |