Commit | Line | Data |
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252b5132 | 1 | /* stabs.c -- Parse stabs debugging information |
6de15b9e | 2 | Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 |
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 |
6de15b9e NC |
179 | PARAMS ((PTR, struct stab_handle *, const char *, const char **, |
180 | bfd_boolean, 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 | |
6de15b9e NC |
225 | PARAMS ((PTR, struct stab_handle *, const char *, bfd_boolean *, |
226 | unsigned int)); | |
252b5132 RH |
227 | |
228 | /* Save a string in memory. */ | |
229 | ||
230 | static char * | |
231 | savestring (start, len) | |
232 | const char *start; | |
233 | int len; | |
234 | { | |
235 | char *ret; | |
236 | ||
237 | ret = (char *) xmalloc (len + 1); | |
238 | memcpy (ret, start, len); | |
239 | ret[len] = '\0'; | |
240 | return ret; | |
241 | } | |
242 | ||
243 | /* Read a number from a string. */ | |
244 | ||
245 | static bfd_vma | |
246 | parse_number (pp, poverflow) | |
247 | const char **pp; | |
b34976b6 | 248 | bfd_boolean *poverflow; |
252b5132 RH |
249 | { |
250 | unsigned long ul; | |
251 | const char *orig; | |
252 | ||
253 | if (poverflow != NULL) | |
b34976b6 | 254 | *poverflow = FALSE; |
252b5132 RH |
255 | |
256 | orig = *pp; | |
257 | ||
258 | errno = 0; | |
259 | ul = strtoul (*pp, (char **) pp, 0); | |
260 | if (ul + 1 != 0 || errno == 0) | |
261 | { | |
262 | /* If bfd_vma is larger than unsigned long, and the number is | |
263 | meant to be negative, we have to make sure that we sign | |
264 | extend properly. */ | |
265 | if (*orig == '-') | |
266 | return (bfd_vma) (bfd_signed_vma) (long) ul; | |
267 | return (bfd_vma) ul; | |
268 | } | |
269 | ||
270 | /* Note that even though strtoul overflowed, it should have set *pp | |
271 | to the end of the number, which is where we want it. */ | |
272 | ||
273 | if (sizeof (bfd_vma) > sizeof (unsigned long)) | |
274 | { | |
275 | const char *p; | |
b34976b6 | 276 | bfd_boolean neg; |
252b5132 RH |
277 | int base; |
278 | bfd_vma over, lastdig; | |
b34976b6 | 279 | bfd_boolean overflow; |
252b5132 RH |
280 | bfd_vma v; |
281 | ||
282 | /* Our own version of strtoul, for a bfd_vma. */ | |
283 | ||
284 | p = orig; | |
285 | ||
b34976b6 | 286 | neg = FALSE; |
252b5132 RH |
287 | if (*p == '+') |
288 | ++p; | |
289 | else if (*p == '-') | |
290 | { | |
b34976b6 | 291 | neg = TRUE; |
252b5132 RH |
292 | ++p; |
293 | } | |
294 | ||
295 | base = 10; | |
296 | if (*p == '0') | |
297 | { | |
298 | if (p[1] == 'x' || p[1] == 'X') | |
299 | { | |
300 | base = 16; | |
301 | p += 2; | |
302 | } | |
303 | else | |
304 | { | |
305 | base = 8; | |
306 | ++p; | |
307 | } | |
308 | } | |
309 | ||
310 | over = ((bfd_vma) (bfd_signed_vma) -1) / (bfd_vma) base; | |
311 | lastdig = ((bfd_vma) (bfd_signed_vma) -1) % (bfd_vma) base; | |
312 | ||
b34976b6 | 313 | overflow = FALSE; |
252b5132 RH |
314 | v = 0; |
315 | while (1) | |
316 | { | |
317 | int d; | |
318 | ||
319 | d = *p++; | |
3882b010 | 320 | if (ISDIGIT (d)) |
252b5132 | 321 | d -= '0'; |
3882b010 | 322 | else if (ISUPPER (d)) |
252b5132 | 323 | d -= 'A'; |
3882b010 | 324 | else if (ISLOWER (d)) |
252b5132 RH |
325 | d -= 'a'; |
326 | else | |
327 | break; | |
328 | ||
329 | if (d >= base) | |
330 | break; | |
331 | ||
332 | if (v > over || (v == over && (bfd_vma) d > lastdig)) | |
333 | { | |
b34976b6 | 334 | overflow = TRUE; |
252b5132 RH |
335 | break; |
336 | } | |
337 | } | |
338 | ||
339 | if (! overflow) | |
340 | { | |
341 | if (neg) | |
342 | v = - v; | |
343 | return v; | |
344 | } | |
345 | } | |
346 | ||
347 | /* If we get here, the number is too large to represent in a | |
348 | bfd_vma. */ | |
349 | ||
350 | if (poverflow != NULL) | |
b34976b6 | 351 | *poverflow = TRUE; |
252b5132 RH |
352 | else |
353 | warn_stab (orig, _("numeric overflow")); | |
354 | ||
355 | return 0; | |
356 | } | |
357 | ||
358 | /* Give an error for a bad stab string. */ | |
359 | ||
360 | static void | |
361 | bad_stab (p) | |
362 | const char *p; | |
363 | { | |
364 | fprintf (stderr, _("Bad stab: %s\n"), p); | |
365 | } | |
366 | ||
367 | /* Warn about something in a stab string. */ | |
368 | ||
369 | static void | |
370 | warn_stab (p, err) | |
371 | const char *p; | |
372 | const char *err; | |
373 | { | |
374 | fprintf (stderr, _("Warning: %s: %s\n"), err, p); | |
375 | } | |
376 | ||
377 | /* Create a handle to parse stabs symbols with. */ | |
378 | ||
252b5132 RH |
379 | PTR |
380 | start_stab (dhandle, abfd, sections, syms, symcount) | |
b4c96d0d | 381 | PTR dhandle ATTRIBUTE_UNUSED; |
252b5132 | 382 | bfd *abfd; |
b34976b6 | 383 | bfd_boolean sections; |
252b5132 RH |
384 | asymbol **syms; |
385 | long symcount; | |
386 | { | |
387 | struct stab_handle *ret; | |
388 | ||
389 | ret = (struct stab_handle *) xmalloc (sizeof *ret); | |
390 | memset (ret, 0, sizeof *ret); | |
391 | ret->abfd = abfd; | |
392 | ret->sections = sections; | |
393 | ret->syms = syms; | |
394 | ret->symcount = symcount; | |
395 | ret->files = 1; | |
396 | ret->file_types = (struct stab_types **) xmalloc (sizeof *ret->file_types); | |
397 | ret->file_types[0] = NULL; | |
398 | ret->function_end = (bfd_vma) -1; | |
399 | return (PTR) ret; | |
400 | } | |
401 | ||
402 | /* When we have processed all the stabs information, we need to go | |
403 | through and fill in all the undefined tags. */ | |
404 | ||
b34976b6 | 405 | bfd_boolean |
252b5132 RH |
406 | finish_stab (dhandle, handle) |
407 | PTR dhandle; | |
408 | PTR handle; | |
409 | { | |
410 | struct stab_handle *info = (struct stab_handle *) handle; | |
411 | struct stab_tag *st; | |
412 | ||
413 | if (info->within_function) | |
414 | { | |
415 | if (! stab_emit_pending_vars (dhandle, info) | |
416 | || ! debug_end_function (dhandle, info->function_end)) | |
b34976b6 AM |
417 | return FALSE; |
418 | info->within_function = FALSE; | |
252b5132 RH |
419 | info->function_end = (bfd_vma) -1; |
420 | } | |
421 | ||
422 | for (st = info->tags; st != NULL; st = st->next) | |
423 | { | |
424 | enum debug_type_kind kind; | |
425 | ||
426 | kind = st->kind; | |
427 | if (kind == DEBUG_KIND_ILLEGAL) | |
428 | kind = DEBUG_KIND_STRUCT; | |
429 | st->slot = debug_make_undefined_tagged_type (dhandle, st->name, kind); | |
430 | if (st->slot == DEBUG_TYPE_NULL) | |
b34976b6 | 431 | return FALSE; |
252b5132 RH |
432 | } |
433 | ||
b34976b6 | 434 | return TRUE; |
252b5132 RH |
435 | } |
436 | ||
437 | /* Handle a single stabs symbol. */ | |
438 | ||
b34976b6 | 439 | bfd_boolean |
252b5132 RH |
440 | parse_stab (dhandle, handle, type, desc, value, string) |
441 | PTR dhandle; | |
442 | PTR handle; | |
443 | int type; | |
444 | int desc; | |
445 | bfd_vma value; | |
446 | const char *string; | |
447 | { | |
448 | struct stab_handle *info = (struct stab_handle *) handle; | |
449 | ||
450 | /* gcc will emit two N_SO strings per compilation unit, one for the | |
451 | directory name and one for the file name. We just collect N_SO | |
452 | strings as we see them, and start the new compilation unit when | |
453 | we see a non N_SO symbol. */ | |
454 | if (info->so_string != NULL | |
455 | && (type != N_SO || *string == '\0' || value != info->so_value)) | |
456 | { | |
457 | if (! debug_set_filename (dhandle, info->so_string)) | |
b34976b6 | 458 | return FALSE; |
252b5132 RH |
459 | info->main_filename = info->so_string; |
460 | ||
461 | info->gcc_compiled = 0; | |
b34976b6 | 462 | info->n_opt_found = FALSE; |
252b5132 RH |
463 | |
464 | /* Generally, for stabs in the symbol table, the N_LBRAC and | |
465 | N_RBRAC symbols are relative to the N_SO symbol value. */ | |
466 | if (! info->sections) | |
467 | info->file_start_offset = info->so_value; | |
468 | ||
469 | /* We need to reset the mapping from type numbers to types. We | |
470 | can't free the old mapping, because of the use of | |
471 | debug_make_indirect_type. */ | |
472 | info->files = 1; | |
473 | info->file_types = ((struct stab_types **) | |
474 | xmalloc (sizeof *info->file_types)); | |
475 | info->file_types[0] = NULL; | |
476 | ||
477 | info->so_string = NULL; | |
478 | ||
479 | /* Now process whatever type we just got. */ | |
480 | } | |
481 | ||
482 | switch (type) | |
483 | { | |
484 | case N_FN: | |
485 | case N_FN_SEQ: | |
486 | break; | |
487 | ||
488 | case N_LBRAC: | |
489 | /* Ignore extra outermost context from SunPRO cc and acc. */ | |
490 | if (info->n_opt_found && desc == 1) | |
491 | break; | |
492 | ||
493 | if (! info->within_function) | |
494 | { | |
495 | fprintf (stderr, _("N_LBRAC not within function\n")); | |
b34976b6 | 496 | return FALSE; |
252b5132 RH |
497 | } |
498 | ||
499 | /* Start an inner lexical block. */ | |
500 | if (! debug_start_block (dhandle, | |
501 | (value | |
502 | + info->file_start_offset | |
503 | + info->function_start_offset))) | |
b34976b6 | 504 | return FALSE; |
252b5132 RH |
505 | |
506 | /* Emit any pending variable definitions. */ | |
507 | if (! stab_emit_pending_vars (dhandle, info)) | |
b34976b6 | 508 | return FALSE; |
252b5132 RH |
509 | |
510 | ++info->block_depth; | |
511 | break; | |
512 | ||
513 | case N_RBRAC: | |
514 | /* Ignore extra outermost context from SunPRO cc and acc. */ | |
515 | if (info->n_opt_found && desc == 1) | |
516 | break; | |
517 | ||
518 | /* We shouldn't have any pending variable definitions here, but, | |
519 | if we do, we probably need to emit them before closing the | |
520 | block. */ | |
521 | if (! stab_emit_pending_vars (dhandle, info)) | |
b34976b6 | 522 | return FALSE; |
252b5132 RH |
523 | |
524 | /* End an inner lexical block. */ | |
525 | if (! debug_end_block (dhandle, | |
526 | (value | |
527 | + info->file_start_offset | |
528 | + info->function_start_offset))) | |
b34976b6 | 529 | return FALSE; |
252b5132 RH |
530 | |
531 | --info->block_depth; | |
532 | if (info->block_depth < 0) | |
533 | { | |
534 | fprintf (stderr, _("Too many N_RBRACs\n")); | |
b34976b6 | 535 | return FALSE; |
252b5132 RH |
536 | } |
537 | break; | |
538 | ||
539 | case N_SO: | |
540 | /* This always ends a function. */ | |
541 | if (info->within_function) | |
542 | { | |
543 | bfd_vma endval; | |
544 | ||
545 | endval = value; | |
546 | if (*string != '\0' | |
547 | && info->function_end != (bfd_vma) -1 | |
548 | && info->function_end < endval) | |
549 | endval = info->function_end; | |
550 | if (! stab_emit_pending_vars (dhandle, info) | |
551 | || ! debug_end_function (dhandle, endval)) | |
b34976b6 AM |
552 | return FALSE; |
553 | info->within_function = FALSE; | |
252b5132 RH |
554 | info->function_end = (bfd_vma) -1; |
555 | } | |
556 | ||
557 | /* An empty string is emitted by gcc at the end of a compilation | |
558 | unit. */ | |
559 | if (*string == '\0') | |
b34976b6 | 560 | return TRUE; |
252b5132 RH |
561 | |
562 | /* Just accumulate strings until we see a non N_SO symbol. If | |
563 | the string starts with a directory separator or some other | |
564 | form of absolute path specification, we discard the previously | |
565 | accumulated strings. */ | |
566 | if (info->so_string == NULL) | |
567 | info->so_string = xstrdup (string); | |
568 | else | |
569 | { | |
570 | char *f; | |
571 | ||
572 | f = info->so_string; | |
573 | ||
9f66665a | 574 | if (IS_ABSOLUTE_PATH (string)) |
252b5132 RH |
575 | info->so_string = xstrdup (string); |
576 | else | |
577 | info->so_string = concat (info->so_string, string, | |
578 | (const char *) NULL); | |
579 | free (f); | |
580 | } | |
581 | ||
582 | info->so_value = value; | |
583 | ||
584 | break; | |
585 | ||
586 | case N_SOL: | |
587 | /* Start an include file. */ | |
588 | if (! debug_start_source (dhandle, string)) | |
b34976b6 | 589 | return FALSE; |
252b5132 RH |
590 | break; |
591 | ||
592 | case N_BINCL: | |
593 | /* Start an include file which may be replaced. */ | |
594 | push_bincl (info, string, value); | |
595 | if (! debug_start_source (dhandle, string)) | |
b34976b6 | 596 | return FALSE; |
252b5132 RH |
597 | break; |
598 | ||
599 | case N_EINCL: | |
600 | /* End an N_BINCL include. */ | |
601 | if (! debug_start_source (dhandle, pop_bincl (info))) | |
b34976b6 | 602 | return FALSE; |
252b5132 RH |
603 | break; |
604 | ||
605 | case N_EXCL: | |
606 | /* This is a duplicate of a header file named by N_BINCL which | |
607 | was eliminated by the linker. */ | |
608 | if (! find_excl (info, string, value)) | |
b34976b6 | 609 | return FALSE; |
252b5132 RH |
610 | break; |
611 | ||
612 | case N_SLINE: | |
613 | if (! debug_record_line (dhandle, desc, | |
6de15b9e NC |
614 | value + (info->within_function |
615 | ? info->function_start_offset : 0))) | |
b34976b6 | 616 | return FALSE; |
252b5132 RH |
617 | break; |
618 | ||
619 | case N_BCOMM: | |
620 | if (! debug_start_common_block (dhandle, string)) | |
b34976b6 | 621 | return FALSE; |
252b5132 RH |
622 | break; |
623 | ||
624 | case N_ECOMM: | |
625 | if (! debug_end_common_block (dhandle, string)) | |
b34976b6 | 626 | return FALSE; |
252b5132 RH |
627 | break; |
628 | ||
629 | case N_FUN: | |
630 | if (*string == '\0') | |
631 | { | |
632 | if (info->within_function) | |
633 | { | |
634 | /* This always marks the end of a function; we don't | |
635 | need to worry about info->function_end. */ | |
636 | if (info->sections) | |
637 | value += info->function_start_offset; | |
638 | if (! stab_emit_pending_vars (dhandle, info) | |
639 | || ! debug_end_function (dhandle, value)) | |
b34976b6 AM |
640 | return FALSE; |
641 | info->within_function = FALSE; | |
252b5132 RH |
642 | info->function_end = (bfd_vma) -1; |
643 | } | |
644 | break; | |
645 | } | |
646 | ||
647 | /* A const static symbol in the .text section will have an N_FUN | |
648 | entry. We need to use these to mark the end of the function, | |
649 | in case we are looking at gcc output before it was changed to | |
650 | always emit an empty N_FUN. We can't call debug_end_function | |
651 | here, because it might be a local static symbol. */ | |
652 | if (info->within_function | |
653 | && (info->function_end == (bfd_vma) -1 | |
654 | || value < info->function_end)) | |
655 | info->function_end = value; | |
656 | ||
657 | /* Fall through. */ | |
658 | /* FIXME: gdb checks the string for N_STSYM, N_LCSYM or N_ROSYM | |
659 | symbols, and if it does not start with :S, gdb relocates the | |
660 | value to the start of the section. gcc always seems to use | |
661 | :S, so we don't worry about this. */ | |
662 | /* Fall through. */ | |
663 | default: | |
664 | { | |
665 | const char *colon; | |
666 | ||
667 | colon = strchr (string, ':'); | |
668 | if (colon != NULL | |
669 | && (colon[1] == 'f' || colon[1] == 'F')) | |
670 | { | |
671 | if (info->within_function) | |
672 | { | |
673 | bfd_vma endval; | |
674 | ||
675 | endval = value; | |
676 | if (info->function_end != (bfd_vma) -1 | |
677 | && info->function_end < endval) | |
678 | endval = info->function_end; | |
679 | if (! stab_emit_pending_vars (dhandle, info) | |
680 | || ! debug_end_function (dhandle, endval)) | |
b34976b6 | 681 | return FALSE; |
252b5132 RH |
682 | info->function_end = (bfd_vma) -1; |
683 | } | |
684 | /* For stabs in sections, line numbers and block addresses | |
685 | are offsets from the start of the function. */ | |
686 | if (info->sections) | |
687 | info->function_start_offset = value; | |
b34976b6 | 688 | info->within_function = TRUE; |
252b5132 RH |
689 | } |
690 | ||
691 | if (! parse_stab_string (dhandle, info, type, desc, value, string)) | |
b34976b6 | 692 | return FALSE; |
252b5132 RH |
693 | } |
694 | break; | |
695 | ||
696 | case N_OPT: | |
697 | if (string != NULL && strcmp (string, "gcc2_compiled.") == 0) | |
698 | info->gcc_compiled = 2; | |
699 | else if (string != NULL && strcmp (string, "gcc_compiled.") == 0) | |
700 | info->gcc_compiled = 1; | |
701 | else | |
b34976b6 | 702 | info->n_opt_found = TRUE; |
252b5132 RH |
703 | break; |
704 | ||
705 | case N_OBJ: | |
706 | case N_ENDM: | |
707 | case N_MAIN: | |
8855cbca | 708 | case N_WARNING: |
252b5132 RH |
709 | break; |
710 | } | |
711 | ||
b34976b6 | 712 | return TRUE; |
252b5132 RH |
713 | } |
714 | ||
715 | /* Parse the stabs string. */ | |
716 | ||
b34976b6 | 717 | static bfd_boolean |
252b5132 RH |
718 | parse_stab_string (dhandle, info, stabtype, desc, value, string) |
719 | PTR dhandle; | |
720 | struct stab_handle *info; | |
721 | int stabtype; | |
722 | int desc; | |
723 | bfd_vma value; | |
724 | const char *string; | |
725 | { | |
726 | const char *p; | |
727 | char *name; | |
728 | int type; | |
729 | debug_type dtype; | |
b34976b6 AM |
730 | bfd_boolean synonym; |
731 | bfd_boolean self_crossref; | |
252b5132 RH |
732 | unsigned int lineno; |
733 | debug_type *slot; | |
734 | ||
735 | p = strchr (string, ':'); | |
736 | if (p == NULL) | |
b34976b6 | 737 | return TRUE; |
252b5132 RH |
738 | |
739 | while (p[1] == ':') | |
740 | { | |
741 | p += 2; | |
742 | p = strchr (p, ':'); | |
743 | if (p == NULL) | |
744 | { | |
745 | bad_stab (string); | |
b34976b6 | 746 | return FALSE; |
252b5132 RH |
747 | } |
748 | } | |
749 | ||
750 | /* GCC 2.x puts the line number in desc. SunOS apparently puts in | |
751 | the number of bytes occupied by a type or object, which we | |
752 | ignore. */ | |
753 | if (info->gcc_compiled >= 2) | |
754 | lineno = desc; | |
755 | else | |
756 | lineno = 0; | |
757 | ||
758 | /* FIXME: Sometimes the special C++ names start with '.'. */ | |
759 | name = NULL; | |
760 | if (string[0] == '$') | |
761 | { | |
762 | switch (string[1]) | |
763 | { | |
764 | case 't': | |
765 | name = "this"; | |
766 | break; | |
767 | case 'v': | |
768 | /* Was: name = "vptr"; */ | |
769 | break; | |
770 | case 'e': | |
771 | name = "eh_throw"; | |
772 | break; | |
773 | case '_': | |
774 | /* This was an anonymous type that was never fixed up. */ | |
775 | break; | |
776 | case 'X': | |
777 | /* SunPRO (3.0 at least) static variable encoding. */ | |
778 | break; | |
779 | default: | |
780 | warn_stab (string, _("unknown C++ encoded name")); | |
781 | break; | |
782 | } | |
783 | } | |
784 | ||
785 | if (name == NULL) | |
786 | { | |
787 | if (p == string || (string[0] == ' ' && p == string + 1)) | |
788 | name = NULL; | |
789 | else | |
790 | name = savestring (string, p - string); | |
791 | } | |
792 | ||
793 | ++p; | |
3882b010 | 794 | if (ISDIGIT (*p) || *p == '(' || *p == '-') |
252b5132 RH |
795 | type = 'l'; |
796 | else | |
797 | type = *p++; | |
798 | ||
799 | switch (type) | |
800 | { | |
801 | case 'c': | |
802 | /* c is a special case, not followed by a type-number. | |
803 | SYMBOL:c=iVALUE for an integer constant symbol. | |
804 | SYMBOL:c=rVALUE for a floating constant symbol. | |
805 | SYMBOL:c=eTYPE,INTVALUE for an enum constant symbol. | |
806 | e.g. "b:c=e6,0" for "const b = blob1" | |
807 | (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */ | |
808 | if (*p != '=') | |
809 | { | |
810 | bad_stab (string); | |
b34976b6 | 811 | return FALSE; |
252b5132 RH |
812 | } |
813 | ++p; | |
814 | switch (*p++) | |
815 | { | |
816 | case 'r': | |
817 | /* Floating point constant. */ | |
818 | if (! debug_record_float_const (dhandle, name, atof (p))) | |
b34976b6 | 819 | return FALSE; |
252b5132 RH |
820 | break; |
821 | case 'i': | |
822 | /* Integer constant. */ | |
823 | /* Defining integer constants this way is kind of silly, | |
824 | since 'e' constants allows the compiler to give not only | |
825 | the value, but the type as well. C has at least int, | |
826 | long, unsigned int, and long long as constant types; | |
827 | other languages probably should have at least unsigned as | |
828 | well as signed constants. */ | |
829 | if (! debug_record_int_const (dhandle, name, atoi (p))) | |
b34976b6 | 830 | return FALSE; |
252b5132 RH |
831 | break; |
832 | case 'e': | |
833 | /* SYMBOL:c=eTYPE,INTVALUE for a constant symbol whose value | |
834 | can be represented as integral. | |
835 | e.g. "b:c=e6,0" for "const b = blob1" | |
836 | (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */ | |
837 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
838 | &p, (debug_type **) NULL); | |
839 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 840 | return FALSE; |
252b5132 RH |
841 | if (*p != ',') |
842 | { | |
843 | bad_stab (string); | |
b34976b6 | 844 | return FALSE; |
252b5132 RH |
845 | } |
846 | if (! debug_record_typed_const (dhandle, name, dtype, atoi (p))) | |
b34976b6 | 847 | return FALSE; |
252b5132 RH |
848 | break; |
849 | default: | |
850 | bad_stab (string); | |
b34976b6 | 851 | return FALSE; |
252b5132 RH |
852 | } |
853 | ||
854 | break; | |
855 | ||
856 | case 'C': | |
857 | /* The name of a caught exception. */ | |
858 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
859 | &p, (debug_type **) NULL); | |
860 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 861 | return FALSE; |
252b5132 | 862 | if (! debug_record_label (dhandle, name, dtype, value)) |
b34976b6 | 863 | return FALSE; |
252b5132 RH |
864 | break; |
865 | ||
866 | case 'f': | |
867 | case 'F': | |
868 | /* A function definition. */ | |
869 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
870 | (debug_type **) NULL); | |
871 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 872 | return FALSE; |
252b5132 | 873 | if (! debug_record_function (dhandle, name, dtype, type == 'F', value)) |
b34976b6 | 874 | return FALSE; |
252b5132 RH |
875 | |
876 | /* Sun acc puts declared types of arguments here. We don't care | |
877 | about their actual types (FIXME -- we should remember the whole | |
878 | function prototype), but the list may define some new types | |
879 | that we have to remember, so we must scan it now. */ | |
880 | while (*p == ';') | |
881 | { | |
882 | ++p; | |
883 | if (parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
884 | (debug_type **) NULL) | |
885 | == DEBUG_TYPE_NULL) | |
b34976b6 | 886 | return FALSE; |
252b5132 RH |
887 | } |
888 | ||
889 | break; | |
890 | ||
891 | case 'G': | |
892 | { | |
893 | char leading; | |
894 | long c; | |
895 | asymbol **ps; | |
896 | ||
897 | /* A global symbol. The value must be extracted from the | |
898 | symbol table. */ | |
899 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
900 | (debug_type **) NULL); | |
901 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 902 | return FALSE; |
252b5132 RH |
903 | leading = bfd_get_symbol_leading_char (info->abfd); |
904 | for (c = info->symcount, ps = info->syms; c > 0; --c, ++ps) | |
905 | { | |
906 | const char *n; | |
907 | ||
908 | n = bfd_asymbol_name (*ps); | |
909 | if (leading != '\0' && *n == leading) | |
910 | ++n; | |
911 | if (*n == *name && strcmp (n, name) == 0) | |
912 | break; | |
913 | } | |
914 | if (c > 0) | |
915 | value = bfd_asymbol_value (*ps); | |
916 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_GLOBAL, | |
917 | value)) | |
b34976b6 | 918 | return FALSE; |
252b5132 RH |
919 | } |
920 | break; | |
921 | ||
922 | /* This case is faked by a conditional above, when there is no | |
923 | code letter in the dbx data. Dbx data never actually | |
924 | contains 'l'. */ | |
925 | case 'l': | |
926 | case 's': | |
927 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
928 | (debug_type **) NULL); | |
929 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 930 | return FALSE; |
252b5132 RH |
931 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_LOCAL, |
932 | value)) | |
b34976b6 | 933 | return FALSE; |
252b5132 RH |
934 | break; |
935 | ||
936 | case 'p': | |
937 | /* A function parameter. */ | |
938 | if (*p != 'F') | |
939 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
940 | (debug_type **) NULL); | |
941 | else | |
942 | { | |
943 | /* pF is a two-letter code that means a function parameter in | |
944 | Fortran. The type-number specifies the type of the return | |
945 | value. Translate it into a pointer-to-function type. */ | |
946 | ++p; | |
947 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
948 | (debug_type **) NULL); | |
949 | if (dtype != DEBUG_TYPE_NULL) | |
950 | { | |
951 | debug_type ftype; | |
952 | ||
953 | ftype = debug_make_function_type (dhandle, dtype, | |
b34976b6 | 954 | (debug_type *) NULL, FALSE); |
252b5132 RH |
955 | dtype = debug_make_pointer_type (dhandle, ftype); |
956 | } | |
957 | } | |
958 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 959 | return FALSE; |
252b5132 RH |
960 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_STACK, |
961 | value)) | |
b34976b6 | 962 | return FALSE; |
252b5132 RH |
963 | |
964 | /* FIXME: At this point gdb considers rearranging the parameter | |
965 | address on a big endian machine if it is smaller than an int. | |
966 | We have no way to do that, since we don't really know much | |
967 | about the target. */ | |
968 | ||
969 | break; | |
970 | ||
971 | case 'P': | |
972 | if (stabtype == N_FUN) | |
973 | { | |
974 | /* Prototype of a function referenced by this file. */ | |
975 | while (*p == ';') | |
976 | { | |
977 | ++p; | |
978 | if (parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
979 | (debug_type **) NULL) | |
980 | == DEBUG_TYPE_NULL) | |
b34976b6 | 981 | return FALSE; |
252b5132 RH |
982 | } |
983 | break; | |
984 | } | |
985 | /* Fall through. */ | |
986 | case 'R': | |
987 | /* Parameter which is in a register. */ | |
988 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
989 | (debug_type **) NULL); | |
990 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 991 | return FALSE; |
252b5132 RH |
992 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REG, |
993 | value)) | |
b34976b6 | 994 | return FALSE; |
252b5132 RH |
995 | break; |
996 | ||
997 | case 'r': | |
998 | /* Register variable (either global or local). */ | |
999 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1000 | (debug_type **) NULL); | |
1001 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1002 | return FALSE; |
252b5132 RH |
1003 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_REGISTER, |
1004 | value)) | |
b34976b6 | 1005 | return FALSE; |
252b5132 RH |
1006 | |
1007 | /* FIXME: At this point gdb checks to combine pairs of 'p' and | |
1008 | 'r' stabs into a single 'P' stab. */ | |
1009 | ||
1010 | break; | |
1011 | ||
1012 | case 'S': | |
1013 | /* Static symbol at top level of file */ | |
1014 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1015 | (debug_type **) NULL); | |
1016 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1017 | return FALSE; |
252b5132 RH |
1018 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_STATIC, |
1019 | value)) | |
b34976b6 | 1020 | return FALSE; |
252b5132 RH |
1021 | break; |
1022 | ||
1023 | case 't': | |
1024 | /* A typedef. */ | |
1025 | dtype = parse_stab_type (dhandle, info, name, &p, &slot); | |
1026 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1027 | return FALSE; |
252b5132 RH |
1028 | if (name == NULL) |
1029 | { | |
1030 | /* A nameless type. Nothing to do. */ | |
b34976b6 | 1031 | return TRUE; |
252b5132 RH |
1032 | } |
1033 | ||
1034 | dtype = debug_name_type (dhandle, name, dtype); | |
1035 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1036 | return FALSE; |
252b5132 RH |
1037 | |
1038 | if (slot != NULL) | |
1039 | *slot = dtype; | |
1040 | ||
1041 | break; | |
1042 | ||
1043 | case 'T': | |
1044 | /* Struct, union, or enum tag. For GNU C++, this can be be followed | |
1045 | by 't' which means we are typedef'ing it as well. */ | |
1046 | if (*p != 't') | |
1047 | { | |
b34976b6 AM |
1048 | synonym = FALSE; |
1049 | /* FIXME: gdb sets synonym to TRUE if the current language | |
252b5132 RH |
1050 | is C++. */ |
1051 | } | |
1052 | else | |
1053 | { | |
b34976b6 | 1054 | synonym = TRUE; |
252b5132 RH |
1055 | ++p; |
1056 | } | |
1057 | ||
1058 | dtype = parse_stab_type (dhandle, info, name, &p, &slot); | |
1059 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1060 | return FALSE; |
252b5132 | 1061 | if (name == NULL) |
b34976b6 | 1062 | return TRUE; |
252b5132 RH |
1063 | |
1064 | /* INFO->SELF_CROSSREF is set by parse_stab_type if this type is | |
1065 | a cross reference to itself. These are generated by some | |
1066 | versions of g++. */ | |
1067 | self_crossref = info->self_crossref; | |
1068 | ||
1069 | dtype = debug_tag_type (dhandle, name, dtype); | |
1070 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1071 | return FALSE; |
252b5132 RH |
1072 | if (slot != NULL) |
1073 | *slot = dtype; | |
1074 | ||
1075 | /* See if we have a cross reference to this tag which we can now | |
1076 | fill in. Avoid filling in a cross reference to ourselves, | |
1077 | because that would lead to circular debugging information. */ | |
1078 | if (! self_crossref) | |
1079 | { | |
1080 | register struct stab_tag **pst; | |
1081 | ||
1082 | for (pst = &info->tags; *pst != NULL; pst = &(*pst)->next) | |
1083 | { | |
1084 | if ((*pst)->name[0] == name[0] | |
1085 | && strcmp ((*pst)->name, name) == 0) | |
1086 | { | |
1087 | (*pst)->slot = dtype; | |
1088 | *pst = (*pst)->next; | |
1089 | break; | |
1090 | } | |
1091 | } | |
1092 | } | |
1093 | ||
1094 | if (synonym) | |
1095 | { | |
1096 | dtype = debug_name_type (dhandle, name, dtype); | |
1097 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1098 | return FALSE; |
252b5132 RH |
1099 | |
1100 | if (slot != NULL) | |
1101 | *slot = dtype; | |
1102 | } | |
1103 | ||
1104 | break; | |
1105 | ||
1106 | case 'V': | |
1107 | /* Static symbol of local scope */ | |
1108 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1109 | (debug_type **) NULL); | |
1110 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1111 | return FALSE; |
252b5132 RH |
1112 | /* FIXME: gdb checks os9k_stabs here. */ |
1113 | if (! stab_record_variable (dhandle, info, name, dtype, | |
1114 | DEBUG_LOCAL_STATIC, value)) | |
b34976b6 | 1115 | return FALSE; |
252b5132 RH |
1116 | break; |
1117 | ||
1118 | case 'v': | |
1119 | /* Reference parameter. */ | |
1120 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1121 | (debug_type **) NULL); | |
1122 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1123 | return FALSE; |
252b5132 RH |
1124 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REFERENCE, |
1125 | value)) | |
b34976b6 | 1126 | return FALSE; |
252b5132 RH |
1127 | break; |
1128 | ||
1129 | case 'a': | |
1130 | /* Reference parameter which is in a register. */ | |
1131 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1132 | (debug_type **) NULL); | |
1133 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1134 | return FALSE; |
252b5132 RH |
1135 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REF_REG, |
1136 | value)) | |
b34976b6 | 1137 | return FALSE; |
252b5132 RH |
1138 | break; |
1139 | ||
1140 | case 'X': | |
1141 | /* This is used by Sun FORTRAN for "function result value". | |
1142 | Sun claims ("dbx and dbxtool interfaces", 2nd ed) | |
1143 | that Pascal uses it too, but when I tried it Pascal used | |
1144 | "x:3" (local symbol) instead. */ | |
1145 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1146 | (debug_type **) NULL); | |
1147 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1148 | return FALSE; |
252b5132 RH |
1149 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_LOCAL, |
1150 | value)) | |
b34976b6 | 1151 | return FALSE; |
252b5132 RH |
1152 | break; |
1153 | ||
1154 | default: | |
1155 | bad_stab (string); | |
b34976b6 | 1156 | return FALSE; |
252b5132 RH |
1157 | } |
1158 | ||
1159 | /* FIXME: gdb converts structure values to structure pointers in a | |
1160 | couple of cases, depending upon the target. */ | |
1161 | ||
b34976b6 | 1162 | return TRUE; |
252b5132 RH |
1163 | } |
1164 | ||
1165 | /* Parse a stabs type. The typename argument is non-NULL if this is a | |
1166 | typedef or a tag definition. The pp argument points to the stab | |
1167 | string, and is updated. The slotp argument points to a place to | |
1168 | store the slot used if the type is being defined. */ | |
1169 | ||
1170 | static debug_type | |
1171 | parse_stab_type (dhandle, info, typename, pp, slotp) | |
1172 | PTR dhandle; | |
1173 | struct stab_handle *info; | |
1174 | const char *typename; | |
1175 | const char **pp; | |
1176 | debug_type **slotp; | |
1177 | { | |
1178 | const char *orig; | |
1179 | int typenums[2]; | |
1180 | int size; | |
b34976b6 | 1181 | bfd_boolean stringp; |
252b5132 RH |
1182 | int descriptor; |
1183 | debug_type dtype; | |
1184 | ||
1185 | if (slotp != NULL) | |
1186 | *slotp = NULL; | |
1187 | ||
1188 | orig = *pp; | |
1189 | ||
1190 | size = -1; | |
b34976b6 | 1191 | stringp = FALSE; |
252b5132 | 1192 | |
b34976b6 | 1193 | info->self_crossref = FALSE; |
252b5132 RH |
1194 | |
1195 | /* Read type number if present. The type number may be omitted. | |
1196 | for instance in a two-dimensional array declared with type | |
1197 | "ar1;1;10;ar1;1;10;4". */ | |
3882b010 | 1198 | if (! ISDIGIT (**pp) && **pp != '(' && **pp != '-') |
252b5132 RH |
1199 | { |
1200 | /* 'typenums=' not present, type is anonymous. Read and return | |
1201 | the definition, but don't put it in the type vector. */ | |
1202 | typenums[0] = typenums[1] = -1; | |
1203 | } | |
1204 | else | |
1205 | { | |
1206 | if (! parse_stab_type_number (pp, typenums)) | |
1207 | return DEBUG_TYPE_NULL; | |
1208 | ||
1209 | if (**pp != '=') | |
1210 | { | |
1211 | /* Type is not being defined here. Either it already | |
1212 | exists, or this is a forward reference to it. */ | |
1213 | return stab_find_type (dhandle, info, typenums); | |
1214 | } | |
1215 | ||
1216 | /* Only set the slot if the type is being defined. This means | |
1217 | that the mapping from type numbers to types will only record | |
1218 | the name of the typedef which defines a type. If we don't do | |
1219 | this, then something like | |
1220 | typedef int foo; | |
1221 | int i; | |
1222 | will record that i is of type foo. Unfortunately, stabs | |
1223 | information is ambiguous about variable types. For this code, | |
1224 | typedef int foo; | |
1225 | int i; | |
1226 | foo j; | |
1227 | the stabs information records both i and j as having the same | |
1228 | type. This could be fixed by patching the compiler. */ | |
1229 | if (slotp != NULL && typenums[0] >= 0 && typenums[1] >= 0) | |
1230 | *slotp = stab_find_slot (info, typenums); | |
1231 | ||
1232 | /* Type is being defined here. */ | |
1233 | /* Skip the '='. */ | |
1234 | ++*pp; | |
1235 | ||
1236 | while (**pp == '@') | |
1237 | { | |
1238 | const char *p = *pp + 1; | |
1239 | const char *attr; | |
1240 | ||
3882b010 | 1241 | if (ISDIGIT (*p) || *p == '(' || *p == '-') |
252b5132 RH |
1242 | { |
1243 | /* Member type. */ | |
1244 | break; | |
1245 | } | |
1246 | ||
1247 | /* Type attributes. */ | |
1248 | attr = p; | |
1249 | ||
1250 | for (; *p != ';'; ++p) | |
1251 | { | |
1252 | if (*p == '\0') | |
1253 | { | |
1254 | bad_stab (orig); | |
1255 | return DEBUG_TYPE_NULL; | |
1256 | } | |
1257 | } | |
1258 | *pp = p + 1; | |
1259 | ||
1260 | switch (*attr) | |
1261 | { | |
1262 | case 's': | |
1263 | size = atoi (attr + 1); | |
944e5c61 | 1264 | size /= 8; /* Size is in bits. We store it in bytes. */ |
252b5132 RH |
1265 | if (size <= 0) |
1266 | size = -1; | |
1267 | break; | |
1268 | ||
1269 | case 'S': | |
b34976b6 | 1270 | stringp = TRUE; |
252b5132 RH |
1271 | break; |
1272 | ||
1273 | default: | |
1274 | /* Ignore unrecognized type attributes, so future | |
1275 | compilers can invent new ones. */ | |
1276 | break; | |
1277 | } | |
1278 | } | |
1279 | } | |
1280 | ||
1281 | descriptor = **pp; | |
1282 | ++*pp; | |
1283 | ||
1284 | switch (descriptor) | |
1285 | { | |
1286 | case 'x': | |
1287 | { | |
1288 | enum debug_type_kind code; | |
1289 | const char *q1, *q2, *p; | |
1290 | ||
1291 | /* A cross reference to another type. */ | |
1292 | ||
1293 | switch (**pp) | |
1294 | { | |
1295 | case 's': | |
1296 | code = DEBUG_KIND_STRUCT; | |
1297 | break; | |
1298 | case 'u': | |
1299 | code = DEBUG_KIND_UNION; | |
1300 | break; | |
1301 | case 'e': | |
1302 | code = DEBUG_KIND_ENUM; | |
1303 | break; | |
1304 | default: | |
1305 | /* Complain and keep going, so compilers can invent new | |
1306 | cross-reference types. */ | |
1307 | warn_stab (orig, _("unrecognized cross reference type")); | |
1308 | code = DEBUG_KIND_STRUCT; | |
1309 | break; | |
1310 | } | |
1311 | ++*pp; | |
1312 | ||
1313 | q1 = strchr (*pp, '<'); | |
1314 | p = strchr (*pp, ':'); | |
1315 | if (p == NULL) | |
1316 | { | |
1317 | bad_stab (orig); | |
1318 | return DEBUG_TYPE_NULL; | |
1319 | } | |
c602a165 | 1320 | if (q1 != NULL && p > q1 && p[1] == ':') |
252b5132 | 1321 | { |
c602a165 ILT |
1322 | int nest = 0; |
1323 | ||
1324 | for (q2 = q1; *q2 != '\0'; ++q2) | |
1325 | { | |
1326 | if (*q2 == '<') | |
1327 | ++nest; | |
1328 | else if (*q2 == '>') | |
1329 | --nest; | |
1330 | else if (*q2 == ':' && nest == 0) | |
1331 | break; | |
1332 | } | |
1333 | p = q2; | |
1334 | if (*p != ':') | |
252b5132 RH |
1335 | { |
1336 | bad_stab (orig); | |
1337 | return DEBUG_TYPE_NULL; | |
1338 | } | |
1339 | } | |
1340 | ||
1341 | /* Some versions of g++ can emit stabs like | |
1342 | fleep:T20=xsfleep: | |
1343 | which define structures in terms of themselves. We need to | |
1344 | tell the caller to avoid building a circular structure. */ | |
1345 | if (typename != NULL | |
1346 | && strncmp (typename, *pp, p - *pp) == 0 | |
1347 | && typename[p - *pp] == '\0') | |
b34976b6 | 1348 | info->self_crossref = TRUE; |
252b5132 RH |
1349 | |
1350 | dtype = stab_find_tagged_type (dhandle, info, *pp, p - *pp, code); | |
1351 | ||
1352 | *pp = p + 1; | |
1353 | } | |
1354 | break; | |
1355 | ||
1356 | case '-': | |
1357 | case '0': | |
1358 | case '1': | |
1359 | case '2': | |
1360 | case '3': | |
1361 | case '4': | |
1362 | case '5': | |
1363 | case '6': | |
1364 | case '7': | |
1365 | case '8': | |
1366 | case '9': | |
1367 | case '(': | |
1368 | { | |
1369 | const char *hold; | |
1370 | int xtypenums[2]; | |
1371 | ||
1372 | /* This type is defined as another type. */ | |
1373 | ||
1374 | (*pp)--; | |
1375 | hold = *pp; | |
1376 | ||
1377 | /* Peek ahead at the number to detect void. */ | |
1378 | if (! parse_stab_type_number (pp, xtypenums)) | |
1379 | return DEBUG_TYPE_NULL; | |
1380 | ||
1381 | if (typenums[0] == xtypenums[0] && typenums[1] == xtypenums[1]) | |
1382 | { | |
1383 | /* This type is being defined as itself, which means that | |
1384 | it is void. */ | |
1385 | dtype = debug_make_void_type (dhandle); | |
1386 | } | |
1387 | else | |
1388 | { | |
1389 | *pp = hold; | |
1390 | ||
1391 | /* Go back to the number and have parse_stab_type get it. | |
1392 | This means that we can deal with something like | |
1393 | t(1,2)=(3,4)=... which the Lucid compiler uses. */ | |
1394 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
1395 | pp, (debug_type **) NULL); | |
1396 | if (dtype == DEBUG_TYPE_NULL) | |
1397 | return DEBUG_TYPE_NULL; | |
1398 | } | |
1399 | ||
1400 | if (typenums[0] != -1) | |
1401 | { | |
1402 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1403 | return DEBUG_TYPE_NULL; | |
1404 | } | |
1405 | ||
1406 | break; | |
1407 | } | |
1408 | ||
1409 | case '*': | |
1410 | dtype = debug_make_pointer_type (dhandle, | |
1411 | parse_stab_type (dhandle, info, | |
1412 | (const char *) NULL, | |
1413 | pp, | |
1414 | (debug_type **) NULL)); | |
1415 | break; | |
1416 | ||
1417 | case '&': | |
1418 | /* Reference to another type. */ | |
1419 | dtype = (debug_make_reference_type | |
1420 | (dhandle, | |
1421 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1422 | (debug_type **) NULL))); | |
1423 | break; | |
1424 | ||
1425 | case 'f': | |
1426 | /* Function returning another type. */ | |
1427 | /* FIXME: gdb checks os9k_stabs here. */ | |
1428 | dtype = (debug_make_function_type | |
1429 | (dhandle, | |
1430 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1431 | (debug_type **) NULL), | |
b34976b6 | 1432 | (debug_type *) NULL, FALSE)); |
252b5132 RH |
1433 | break; |
1434 | ||
1435 | case 'k': | |
1436 | /* Const qualifier on some type (Sun). */ | |
1437 | /* FIXME: gdb accepts 'c' here if os9k_stabs. */ | |
1438 | dtype = debug_make_const_type (dhandle, | |
1439 | parse_stab_type (dhandle, info, | |
1440 | (const char *) NULL, | |
1441 | pp, | |
1442 | (debug_type **) NULL)); | |
1443 | break; | |
1444 | ||
1445 | case 'B': | |
1446 | /* Volatile qual on some type (Sun). */ | |
1447 | /* FIXME: gdb accepts 'i' here if os9k_stabs. */ | |
1448 | dtype = (debug_make_volatile_type | |
1449 | (dhandle, | |
1450 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1451 | (debug_type **) NULL))); | |
1452 | break; | |
1453 | ||
1454 | case '@': | |
1455 | /* Offset (class & variable) type. This is used for a pointer | |
1456 | relative to an object. */ | |
1457 | { | |
1458 | debug_type domain; | |
1459 | debug_type memtype; | |
1460 | ||
1461 | /* Member type. */ | |
1462 | ||
1463 | domain = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1464 | (debug_type **) NULL); | |
1465 | if (domain == DEBUG_TYPE_NULL) | |
1466 | return DEBUG_TYPE_NULL; | |
1467 | ||
1468 | if (**pp != ',') | |
1469 | { | |
1470 | bad_stab (orig); | |
1471 | return DEBUG_TYPE_NULL; | |
1472 | } | |
1473 | ++*pp; | |
1474 | ||
1475 | memtype = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1476 | (debug_type **) NULL); | |
1477 | if (memtype == DEBUG_TYPE_NULL) | |
1478 | return DEBUG_TYPE_NULL; | |
1479 | ||
1480 | dtype = debug_make_offset_type (dhandle, domain, memtype); | |
1481 | } | |
1482 | break; | |
1483 | ||
1484 | case '#': | |
1485 | /* Method (class & fn) type. */ | |
1486 | if (**pp == '#') | |
1487 | { | |
1488 | debug_type return_type; | |
1489 | ||
1490 | ++*pp; | |
1491 | return_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1492 | pp, (debug_type **) NULL); | |
1493 | if (return_type == DEBUG_TYPE_NULL) | |
1494 | return DEBUG_TYPE_NULL; | |
1495 | if (**pp != ';') | |
1496 | { | |
1497 | bad_stab (orig); | |
1498 | return DEBUG_TYPE_NULL; | |
1499 | } | |
1500 | ++*pp; | |
1501 | dtype = debug_make_method_type (dhandle, return_type, | |
1502 | DEBUG_TYPE_NULL, | |
b34976b6 | 1503 | (debug_type *) NULL, FALSE); |
252b5132 RH |
1504 | } |
1505 | else | |
1506 | { | |
1507 | debug_type domain; | |
1508 | debug_type return_type; | |
1509 | debug_type *args; | |
1510 | unsigned int n; | |
1511 | unsigned int alloc; | |
b34976b6 | 1512 | bfd_boolean varargs; |
252b5132 RH |
1513 | |
1514 | domain = parse_stab_type (dhandle, info, (const char *) NULL, | |
1515 | pp, (debug_type **) NULL); | |
1516 | if (domain == DEBUG_TYPE_NULL) | |
1517 | return DEBUG_TYPE_NULL; | |
1518 | ||
1519 | if (**pp != ',') | |
1520 | { | |
1521 | bad_stab (orig); | |
1522 | return DEBUG_TYPE_NULL; | |
1523 | } | |
1524 | ++*pp; | |
1525 | ||
1526 | return_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1527 | pp, (debug_type **) NULL); | |
1528 | if (return_type == DEBUG_TYPE_NULL) | |
1529 | return DEBUG_TYPE_NULL; | |
1530 | ||
1531 | alloc = 10; | |
1532 | args = (debug_type *) xmalloc (alloc * sizeof *args); | |
1533 | n = 0; | |
1534 | while (**pp != ';') | |
1535 | { | |
1536 | if (**pp != ',') | |
1537 | { | |
1538 | bad_stab (orig); | |
1539 | return DEBUG_TYPE_NULL; | |
1540 | } | |
1541 | ++*pp; | |
1542 | ||
1543 | if (n + 1 >= alloc) | |
1544 | { | |
1545 | alloc += 10; | |
1546 | args = ((debug_type *) | |
1547 | xrealloc ((PTR) args, alloc * sizeof *args)); | |
1548 | } | |
1549 | ||
1550 | args[n] = parse_stab_type (dhandle, info, (const char *) NULL, | |
1551 | pp, (debug_type **) NULL); | |
1552 | if (args[n] == DEBUG_TYPE_NULL) | |
1553 | return DEBUG_TYPE_NULL; | |
1554 | ++n; | |
1555 | } | |
1556 | ++*pp; | |
1557 | ||
1558 | /* If the last type is not void, then this function takes a | |
1559 | variable number of arguments. Otherwise, we must strip | |
1560 | the void type. */ | |
1561 | if (n == 0 | |
1562 | || debug_get_type_kind (dhandle, args[n - 1]) != DEBUG_KIND_VOID) | |
b34976b6 | 1563 | varargs = TRUE; |
252b5132 RH |
1564 | else |
1565 | { | |
1566 | --n; | |
b34976b6 | 1567 | varargs = FALSE; |
252b5132 RH |
1568 | } |
1569 | ||
1570 | args[n] = DEBUG_TYPE_NULL; | |
1571 | ||
1572 | dtype = debug_make_method_type (dhandle, return_type, domain, args, | |
1573 | varargs); | |
1574 | } | |
1575 | break; | |
1576 | ||
1577 | case 'r': | |
1578 | /* Range type. */ | |
1579 | dtype = parse_stab_range_type (dhandle, info, typename, pp, typenums); | |
1580 | break; | |
1581 | ||
1582 | case 'b': | |
1583 | /* FIXME: gdb checks os9k_stabs here. */ | |
1584 | /* Sun ACC builtin int type. */ | |
1585 | dtype = parse_stab_sun_builtin_type (dhandle, pp); | |
1586 | break; | |
1587 | ||
1588 | case 'R': | |
1589 | /* Sun ACC builtin float type. */ | |
1590 | dtype = parse_stab_sun_floating_type (dhandle, pp); | |
1591 | break; | |
1592 | ||
1593 | case 'e': | |
1594 | /* Enumeration type. */ | |
1595 | dtype = parse_stab_enum_type (dhandle, pp); | |
1596 | break; | |
1597 | ||
1598 | case 's': | |
1599 | case 'u': | |
1600 | /* Struct or union type. */ | |
1601 | dtype = parse_stab_struct_type (dhandle, info, typename, pp, | |
1602 | descriptor == 's', typenums); | |
1603 | break; | |
1604 | ||
1605 | case 'a': | |
1606 | /* Array type. */ | |
1607 | if (**pp != 'r') | |
1608 | { | |
1609 | bad_stab (orig); | |
1610 | return DEBUG_TYPE_NULL; | |
1611 | } | |
1612 | ++*pp; | |
1613 | ||
1614 | dtype = parse_stab_array_type (dhandle, info, pp, stringp); | |
1615 | break; | |
1616 | ||
1617 | case 'S': | |
1618 | dtype = debug_make_set_type (dhandle, | |
1619 | parse_stab_type (dhandle, info, | |
1620 | (const char *) NULL, | |
1621 | pp, | |
1622 | (debug_type **) NULL), | |
1623 | stringp); | |
1624 | break; | |
1625 | ||
1626 | default: | |
1627 | bad_stab (orig); | |
1628 | return DEBUG_TYPE_NULL; | |
1629 | } | |
1630 | ||
1631 | if (dtype == DEBUG_TYPE_NULL) | |
1632 | return DEBUG_TYPE_NULL; | |
1633 | ||
1634 | if (typenums[0] != -1) | |
1635 | { | |
1636 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1637 | return DEBUG_TYPE_NULL; | |
1638 | } | |
1639 | ||
1640 | if (size != -1) | |
1641 | { | |
1642 | if (! debug_record_type_size (dhandle, dtype, (unsigned int) size)) | |
3dceb55b | 1643 | return DEBUG_TYPE_NULL; |
252b5132 RH |
1644 | } |
1645 | ||
1646 | return dtype; | |
1647 | } | |
1648 | ||
1649 | /* Read a number by which a type is referred to in dbx data, or | |
1650 | perhaps read a pair (FILENUM, TYPENUM) in parentheses. Just a | |
1651 | single number N is equivalent to (0,N). Return the two numbers by | |
1652 | storing them in the vector TYPENUMS. */ | |
1653 | ||
b34976b6 | 1654 | static bfd_boolean |
252b5132 RH |
1655 | parse_stab_type_number (pp, typenums) |
1656 | const char **pp; | |
1657 | int *typenums; | |
1658 | { | |
1659 | const char *orig; | |
1660 | ||
1661 | orig = *pp; | |
1662 | ||
1663 | if (**pp != '(') | |
1664 | { | |
1665 | typenums[0] = 0; | |
b34976b6 | 1666 | typenums[1] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1667 | } |
1668 | else | |
1669 | { | |
1670 | ++*pp; | |
b34976b6 | 1671 | typenums[0] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1672 | if (**pp != ',') |
1673 | { | |
1674 | bad_stab (orig); | |
b34976b6 | 1675 | return FALSE; |
252b5132 RH |
1676 | } |
1677 | ++*pp; | |
b34976b6 | 1678 | typenums[1] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1679 | if (**pp != ')') |
1680 | { | |
1681 | bad_stab (orig); | |
b34976b6 | 1682 | return FALSE; |
252b5132 RH |
1683 | } |
1684 | ++*pp; | |
1685 | } | |
1686 | ||
b34976b6 | 1687 | return TRUE; |
252b5132 RH |
1688 | } |
1689 | ||
1690 | /* Parse a range type. */ | |
1691 | ||
1692 | static debug_type | |
1693 | parse_stab_range_type (dhandle, info, typename, pp, typenums) | |
1694 | PTR dhandle; | |
1695 | struct stab_handle *info; | |
1696 | const char *typename; | |
1697 | const char **pp; | |
1698 | const int *typenums; | |
1699 | { | |
1700 | const char *orig; | |
1701 | int rangenums[2]; | |
b34976b6 | 1702 | bfd_boolean self_subrange; |
252b5132 RH |
1703 | debug_type index_type; |
1704 | const char *s2, *s3; | |
1705 | bfd_signed_vma n2, n3; | |
b34976b6 | 1706 | bfd_boolean ov2, ov3; |
252b5132 RH |
1707 | |
1708 | orig = *pp; | |
1709 | ||
1710 | index_type = DEBUG_TYPE_NULL; | |
1711 | ||
1712 | /* First comes a type we are a subrange of. | |
1713 | In C it is usually 0, 1 or the type being defined. */ | |
1714 | if (! parse_stab_type_number (pp, rangenums)) | |
1715 | return DEBUG_TYPE_NULL; | |
1716 | ||
1717 | self_subrange = (rangenums[0] == typenums[0] | |
1718 | && rangenums[1] == typenums[1]); | |
1719 | ||
1720 | if (**pp == '=') | |
1721 | { | |
1722 | *pp = orig; | |
1723 | index_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1724 | pp, (debug_type **) NULL); | |
1725 | if (index_type == DEBUG_TYPE_NULL) | |
1726 | return DEBUG_TYPE_NULL; | |
1727 | } | |
1728 | ||
1729 | if (**pp == ';') | |
1730 | ++*pp; | |
1731 | ||
1732 | /* The remaining two operands are usually lower and upper bounds of | |
1733 | the range. But in some special cases they mean something else. */ | |
1734 | s2 = *pp; | |
1735 | n2 = parse_number (pp, &ov2); | |
1736 | if (**pp != ';') | |
1737 | { | |
1738 | bad_stab (orig); | |
1739 | return DEBUG_TYPE_NULL; | |
1740 | } | |
1741 | ++*pp; | |
1742 | ||
1743 | s3 = *pp; | |
1744 | n3 = parse_number (pp, &ov3); | |
1745 | if (**pp != ';') | |
1746 | { | |
1747 | bad_stab (orig); | |
1748 | return DEBUG_TYPE_NULL; | |
1749 | } | |
1750 | ++*pp; | |
1751 | ||
1752 | if (ov2 || ov3) | |
1753 | { | |
1754 | /* gcc will emit range stabs for long long types. Handle this | |
1755 | as a special case. FIXME: This needs to be more general. */ | |
1756 | #define LLLOW "01000000000000000000000;" | |
1757 | #define LLHIGH "0777777777777777777777;" | |
1758 | #define ULLHIGH "01777777777777777777777;" | |
1759 | if (index_type == DEBUG_TYPE_NULL) | |
1760 | { | |
1761 | if (strncmp (s2, LLLOW, sizeof LLLOW - 1) == 0 | |
1762 | && strncmp (s3, LLHIGH, sizeof LLHIGH - 1) == 0) | |
b34976b6 | 1763 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
1764 | if (! ov2 |
1765 | && n2 == 0 | |
1766 | && strncmp (s3, ULLHIGH, sizeof ULLHIGH - 1) == 0) | |
b34976b6 | 1767 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1768 | } |
1769 | ||
1770 | warn_stab (orig, _("numeric overflow")); | |
1771 | } | |
1772 | ||
1773 | if (index_type == DEBUG_TYPE_NULL) | |
1774 | { | |
1775 | /* A type defined as a subrange of itself, with both bounds 0, | |
1776 | is void. */ | |
1777 | if (self_subrange && n2 == 0 && n3 == 0) | |
1778 | return debug_make_void_type (dhandle); | |
1779 | ||
1780 | /* A type defined as a subrange of itself, with n2 positive and | |
1781 | n3 zero, is a complex type, and n2 is the number of bytes. */ | |
1782 | if (self_subrange && n3 == 0 && n2 > 0) | |
1783 | return debug_make_complex_type (dhandle, n2); | |
1784 | ||
1785 | /* If n3 is zero and n2 is positive, this is a floating point | |
1786 | type, and n2 is the number of bytes. */ | |
1787 | if (n3 == 0 && n2 > 0) | |
1788 | return debug_make_float_type (dhandle, n2); | |
1789 | ||
1790 | /* If the upper bound is -1, this is an unsigned int. */ | |
1791 | if (n2 == 0 && n3 == -1) | |
1792 | { | |
1793 | /* When gcc is used with -gstabs, but not -gstabs+, it will emit | |
1794 | long long int:t6=r1;0;-1; | |
1795 | long long unsigned int:t7=r1;0;-1; | |
1796 | We hack here to handle this reasonably. */ | |
1797 | if (typename != NULL) | |
1798 | { | |
1799 | if (strcmp (typename, "long long int") == 0) | |
b34976b6 | 1800 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 | 1801 | else if (strcmp (typename, "long long unsigned int") == 0) |
b34976b6 | 1802 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1803 | } |
1804 | /* FIXME: The size here really depends upon the target. */ | |
b34976b6 | 1805 | return debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
1806 | } |
1807 | ||
1808 | /* A range of 0 to 127 is char. */ | |
1809 | if (self_subrange && n2 == 0 && n3 == 127) | |
b34976b6 | 1810 | return debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
1811 | |
1812 | /* FIXME: gdb checks for the language CHILL here. */ | |
1813 | ||
1814 | if (n2 == 0) | |
1815 | { | |
1816 | if (n3 < 0) | |
b34976b6 | 1817 | return debug_make_int_type (dhandle, - n3, TRUE); |
252b5132 | 1818 | else if (n3 == 0xff) |
b34976b6 | 1819 | return debug_make_int_type (dhandle, 1, TRUE); |
252b5132 | 1820 | else if (n3 == 0xffff) |
b34976b6 | 1821 | return debug_make_int_type (dhandle, 2, TRUE); |
b4c96d0d | 1822 | else if (n3 == (bfd_signed_vma) 0xffffffff) |
b34976b6 | 1823 | return debug_make_int_type (dhandle, 4, TRUE); |
252b5132 | 1824 | #ifdef BFD64 |
3c9f43b1 | 1825 | else if (n3 == ((((bfd_signed_vma) 0xffffffff) << 32) | 0xffffffff)) |
b34976b6 | 1826 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1827 | #endif |
1828 | } | |
1829 | else if (n3 == 0 | |
1830 | && n2 < 0 | |
1831 | && (self_subrange || n2 == -8)) | |
b34976b6 | 1832 | return debug_make_int_type (dhandle, - n2, TRUE); |
252b5132 RH |
1833 | else if (n2 == - n3 - 1 || n2 == n3 + 1) |
1834 | { | |
1835 | if (n3 == 0x7f) | |
b34976b6 | 1836 | return debug_make_int_type (dhandle, 1, FALSE); |
252b5132 | 1837 | else if (n3 == 0x7fff) |
b34976b6 | 1838 | return debug_make_int_type (dhandle, 2, FALSE); |
252b5132 | 1839 | else if (n3 == 0x7fffffff) |
b34976b6 | 1840 | return debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
1841 | #ifdef BFD64 |
1842 | else if (n3 == ((((bfd_vma) 0x7fffffff) << 32) | 0xffffffff)) | |
b34976b6 | 1843 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
1844 | #endif |
1845 | } | |
1846 | } | |
1847 | ||
1848 | /* At this point I don't have the faintest idea how to deal with a | |
1849 | self_subrange type; I'm going to assume that this is used as an | |
1850 | idiom, and that all of them are special cases. So . . . */ | |
1851 | if (self_subrange) | |
1852 | { | |
1853 | bad_stab (orig); | |
1854 | return DEBUG_TYPE_NULL; | |
1855 | } | |
1856 | ||
1857 | index_type = stab_find_type (dhandle, info, rangenums); | |
1858 | if (index_type == DEBUG_TYPE_NULL) | |
1859 | { | |
1860 | /* Does this actually ever happen? Is that why we are worrying | |
1861 | about dealing with it rather than just calling error_type? */ | |
1862 | warn_stab (orig, _("missing index type")); | |
b34976b6 | 1863 | index_type = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
1864 | } |
1865 | ||
1866 | return debug_make_range_type (dhandle, index_type, n2, n3); | |
1867 | } | |
1868 | ||
1869 | /* Sun's ACC uses a somewhat saner method for specifying the builtin | |
1870 | typedefs in every file (for int, long, etc): | |
1871 | ||
1872 | type = b <signed> <width>; <offset>; <nbits> | |
1873 | signed = u or s. Possible c in addition to u or s (for char?). | |
1874 | offset = offset from high order bit to start bit of type. | |
1875 | width is # bytes in object of this type, nbits is # bits in type. | |
1876 | ||
1877 | The width/offset stuff appears to be for small objects stored in | |
1878 | larger ones (e.g. `shorts' in `int' registers). We ignore it for now, | |
1879 | FIXME. */ | |
1880 | ||
1881 | static debug_type | |
1882 | parse_stab_sun_builtin_type (dhandle, pp) | |
1883 | PTR dhandle; | |
1884 | const char **pp; | |
1885 | { | |
1886 | const char *orig; | |
b34976b6 | 1887 | bfd_boolean unsignedp; |
252b5132 RH |
1888 | bfd_vma bits; |
1889 | ||
1890 | orig = *pp; | |
1891 | ||
1892 | switch (**pp) | |
1893 | { | |
1894 | case 's': | |
b34976b6 | 1895 | unsignedp = FALSE; |
252b5132 RH |
1896 | break; |
1897 | case 'u': | |
b34976b6 | 1898 | unsignedp = TRUE; |
252b5132 RH |
1899 | break; |
1900 | default: | |
1901 | bad_stab (orig); | |
1902 | return DEBUG_TYPE_NULL; | |
1903 | } | |
1904 | ++*pp; | |
1905 | ||
1906 | /* For some odd reason, all forms of char put a c here. This is strange | |
1907 | because no other type has this honor. We can safely ignore this because | |
1908 | we actually determine 'char'acterness by the number of bits specified in | |
1909 | the descriptor. */ | |
1910 | if (**pp == 'c') | |
1911 | ++*pp; | |
1912 | ||
1913 | /* The first number appears to be the number of bytes occupied | |
1914 | by this type, except that unsigned short is 4 instead of 2. | |
1915 | Since this information is redundant with the third number, | |
1916 | we will ignore it. */ | |
b34976b6 | 1917 | (void) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1918 | if (**pp != ';') |
1919 | { | |
1920 | bad_stab (orig); | |
1921 | return DEBUG_TYPE_NULL; | |
1922 | } | |
1923 | ++*pp; | |
1924 | ||
9f66665a | 1925 | /* The second number is always 0, so ignore it too. */ |
b34976b6 | 1926 | (void) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1927 | if (**pp != ';') |
1928 | { | |
1929 | bad_stab (orig); | |
1930 | return DEBUG_TYPE_NULL; | |
1931 | } | |
1932 | ++*pp; | |
1933 | ||
9f66665a | 1934 | /* The third number is the number of bits for this type. */ |
b34976b6 | 1935 | bits = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1936 | |
1937 | /* The type *should* end with a semicolon. If it are embedded | |
1938 | in a larger type the semicolon may be the only way to know where | |
1939 | the type ends. If this type is at the end of the stabstring we | |
1940 | can deal with the omitted semicolon (but we don't have to like | |
1941 | it). Don't bother to complain(), Sun's compiler omits the semicolon | |
1942 | for "void". */ | |
1943 | if (**pp == ';') | |
1944 | ++*pp; | |
1945 | ||
1946 | if (bits == 0) | |
1947 | return debug_make_void_type (dhandle); | |
1948 | ||
1949 | return debug_make_int_type (dhandle, bits / 8, unsignedp); | |
1950 | } | |
1951 | ||
1952 | /* Parse a builtin floating type generated by the Sun compiler. */ | |
1953 | ||
1954 | static debug_type | |
1955 | parse_stab_sun_floating_type (dhandle, pp) | |
1956 | PTR dhandle; | |
1957 | const char **pp; | |
1958 | { | |
1959 | const char *orig; | |
1960 | bfd_vma details; | |
1961 | bfd_vma bytes; | |
1962 | ||
1963 | orig = *pp; | |
1964 | ||
1965 | /* The first number has more details about the type, for example | |
1966 | FN_COMPLEX. */ | |
b34976b6 | 1967 | details = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1968 | if (**pp != ';') |
1969 | { | |
1970 | bad_stab (orig); | |
1971 | return DEBUG_TYPE_NULL; | |
1972 | } | |
1973 | ||
1974 | /* The second number is the number of bytes occupied by this type */ | |
b34976b6 | 1975 | bytes = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1976 | if (**pp != ';') |
1977 | { | |
1978 | bad_stab (orig); | |
1979 | return DEBUG_TYPE_NULL; | |
1980 | } | |
1981 | ||
1982 | if (details == NF_COMPLEX | |
1983 | || details == NF_COMPLEX16 | |
1984 | || details == NF_COMPLEX32) | |
1985 | return debug_make_complex_type (dhandle, bytes); | |
1986 | ||
9f66665a | 1987 | return debug_make_float_type (dhandle, bytes); |
252b5132 RH |
1988 | } |
1989 | ||
1990 | /* Handle an enum type. */ | |
1991 | ||
1992 | static debug_type | |
1993 | parse_stab_enum_type (dhandle, pp) | |
1994 | PTR dhandle; | |
1995 | const char **pp; | |
1996 | { | |
1997 | const char *orig; | |
1998 | const char **names; | |
1999 | bfd_signed_vma *values; | |
2000 | unsigned int n; | |
2001 | unsigned int alloc; | |
2002 | ||
2003 | orig = *pp; | |
2004 | ||
2005 | /* FIXME: gdb checks os9k_stabs here. */ | |
2006 | ||
2007 | /* The aix4 compiler emits an extra field before the enum members; | |
2008 | my guess is it's a type of some sort. Just ignore it. */ | |
2009 | if (**pp == '-') | |
2010 | { | |
2011 | while (**pp != ':') | |
2012 | ++*pp; | |
2013 | ++*pp; | |
2014 | } | |
2015 | ||
2016 | /* Read the value-names and their values. | |
2017 | The input syntax is NAME:VALUE,NAME:VALUE, and so on. | |
2018 | A semicolon or comma instead of a NAME means the end. */ | |
2019 | alloc = 10; | |
2020 | names = (const char **) xmalloc (alloc * sizeof *names); | |
2021 | values = (bfd_signed_vma *) xmalloc (alloc * sizeof *values); | |
2022 | n = 0; | |
2023 | while (**pp != '\0' && **pp != ';' && **pp != ',') | |
2024 | { | |
2025 | const char *p; | |
2026 | char *name; | |
2027 | bfd_signed_vma val; | |
2028 | ||
2029 | p = *pp; | |
2030 | while (*p != ':') | |
2031 | ++p; | |
2032 | ||
2033 | name = savestring (*pp, p - *pp); | |
2034 | ||
2035 | *pp = p + 1; | |
b34976b6 | 2036 | val = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2037 | if (**pp != ',') |
2038 | { | |
2039 | bad_stab (orig); | |
2040 | return DEBUG_TYPE_NULL; | |
2041 | } | |
2042 | ++*pp; | |
2043 | ||
2044 | if (n + 1 >= alloc) | |
2045 | { | |
2046 | alloc += 10; | |
2047 | names = ((const char **) | |
2048 | xrealloc ((PTR) names, alloc * sizeof *names)); | |
2049 | values = ((bfd_signed_vma *) | |
2050 | xrealloc ((PTR) values, alloc * sizeof *values)); | |
2051 | } | |
2052 | ||
2053 | names[n] = name; | |
2054 | values[n] = val; | |
2055 | ++n; | |
2056 | } | |
2057 | ||
2058 | names[n] = NULL; | |
2059 | values[n] = 0; | |
2060 | ||
2061 | if (**pp == ';') | |
2062 | ++*pp; | |
2063 | ||
2064 | return debug_make_enum_type (dhandle, names, values); | |
2065 | } | |
2066 | ||
2067 | /* Read the description of a structure (or union type) and return an object | |
2068 | describing the type. | |
2069 | ||
2070 | PP points to a character pointer that points to the next unconsumed token | |
2071 | in the the stabs string. For example, given stabs "A:T4=s4a:1,0,32;;", | |
2072 | *PP will point to "4a:1,0,32;;". */ | |
2073 | ||
2074 | static debug_type | |
2075 | parse_stab_struct_type (dhandle, info, tagname, pp, structp, typenums) | |
2076 | PTR dhandle; | |
2077 | struct stab_handle *info; | |
2078 | const char *tagname; | |
2079 | const char **pp; | |
b34976b6 | 2080 | bfd_boolean structp; |
252b5132 RH |
2081 | const int *typenums; |
2082 | { | |
2083 | const char *orig; | |
2084 | bfd_vma size; | |
2085 | debug_baseclass *baseclasses; | |
2086 | debug_field *fields; | |
b34976b6 | 2087 | bfd_boolean statics; |
252b5132 RH |
2088 | debug_method *methods; |
2089 | debug_type vptrbase; | |
b34976b6 | 2090 | bfd_boolean ownvptr; |
252b5132 RH |
2091 | |
2092 | orig = *pp; | |
2093 | ||
2094 | /* Get the size. */ | |
b34976b6 | 2095 | size = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2096 | |
2097 | /* Get the other information. */ | |
2098 | if (! parse_stab_baseclasses (dhandle, info, pp, &baseclasses) | |
2099 | || ! parse_stab_struct_fields (dhandle, info, pp, &fields, &statics) | |
2100 | || ! parse_stab_members (dhandle, info, tagname, pp, typenums, &methods) | |
2101 | || ! parse_stab_tilde_field (dhandle, info, pp, typenums, &vptrbase, | |
2102 | &ownvptr)) | |
2103 | return DEBUG_TYPE_NULL; | |
2104 | ||
2105 | if (! statics | |
2106 | && baseclasses == NULL | |
2107 | && methods == NULL | |
2108 | && vptrbase == DEBUG_TYPE_NULL | |
2109 | && ! ownvptr) | |
2110 | return debug_make_struct_type (dhandle, structp, size, fields); | |
2111 | ||
2112 | return debug_make_object_type (dhandle, structp, size, fields, baseclasses, | |
2113 | methods, vptrbase, ownvptr); | |
2114 | } | |
2115 | ||
2116 | /* The stabs for C++ derived classes contain baseclass information which | |
2117 | is marked by a '!' character after the total size. This function is | |
2118 | called when we encounter the baseclass marker, and slurps up all the | |
2119 | baseclass information. | |
2120 | ||
2121 | Immediately following the '!' marker is the number of base classes that | |
2122 | the class is derived from, followed by information for each base class. | |
2123 | For each base class, there are two visibility specifiers, a bit offset | |
2124 | to the base class information within the derived class, a reference to | |
2125 | the type for the base class, and a terminating semicolon. | |
2126 | ||
2127 | A typical example, with two base classes, would be "!2,020,19;0264,21;". | |
2128 | ^^ ^ ^ ^ ^ ^ ^ | |
2129 | Baseclass information marker __________________|| | | | | | | | |
2130 | Number of baseclasses __________________________| | | | | | | | |
2131 | Visibility specifiers (2) ________________________| | | | | | | |
2132 | Offset in bits from start of class _________________| | | | | | |
2133 | Type number for base class ___________________________| | | | | |
2134 | Visibility specifiers (2) _______________________________| | | | |
2135 | Offset in bits from start of class ________________________| | | |
2136 | Type number of base class ____________________________________| | |
2137 | ||
b34976b6 | 2138 | Return TRUE for success, FALSE for failure. */ |
252b5132 | 2139 | |
b34976b6 | 2140 | static bfd_boolean |
252b5132 RH |
2141 | parse_stab_baseclasses (dhandle, info, pp, retp) |
2142 | PTR dhandle; | |
2143 | struct stab_handle *info; | |
2144 | const char **pp; | |
2145 | debug_baseclass **retp; | |
2146 | { | |
2147 | const char *orig; | |
2148 | unsigned int c, i; | |
2149 | debug_baseclass *classes; | |
2150 | ||
2151 | *retp = NULL; | |
2152 | ||
2153 | orig = *pp; | |
2154 | ||
2155 | if (**pp != '!') | |
2156 | { | |
2157 | /* No base classes. */ | |
b34976b6 | 2158 | return TRUE; |
252b5132 RH |
2159 | } |
2160 | ++*pp; | |
2161 | ||
b34976b6 | 2162 | c = (unsigned int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2163 | |
2164 | if (**pp != ',') | |
2165 | { | |
2166 | bad_stab (orig); | |
b34976b6 | 2167 | return FALSE; |
252b5132 RH |
2168 | } |
2169 | ++*pp; | |
2170 | ||
2171 | classes = (debug_baseclass *) xmalloc ((c + 1) * sizeof (**retp)); | |
2172 | ||
2173 | for (i = 0; i < c; i++) | |
2174 | { | |
b34976b6 | 2175 | bfd_boolean virtual; |
252b5132 RH |
2176 | enum debug_visibility visibility; |
2177 | bfd_vma bitpos; | |
2178 | debug_type type; | |
2179 | ||
2180 | switch (**pp) | |
2181 | { | |
2182 | case '0': | |
b34976b6 | 2183 | virtual = FALSE; |
252b5132 RH |
2184 | break; |
2185 | case '1': | |
b34976b6 | 2186 | virtual = TRUE; |
252b5132 RH |
2187 | break; |
2188 | default: | |
2189 | warn_stab (orig, _("unknown virtual character for baseclass")); | |
b34976b6 | 2190 | virtual = FALSE; |
252b5132 RH |
2191 | break; |
2192 | } | |
2193 | ++*pp; | |
2194 | ||
2195 | switch (**pp) | |
2196 | { | |
2197 | case '0': | |
2198 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2199 | break; | |
2200 | case '1': | |
2201 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2202 | break; | |
2203 | case '2': | |
2204 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2205 | break; | |
2206 | default: | |
2207 | warn_stab (orig, _("unknown visibility character for baseclass")); | |
2208 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2209 | break; | |
2210 | } | |
2211 | ++*pp; | |
2212 | ||
2213 | /* The remaining value is the bit offset of the portion of the | |
2214 | object corresponding to this baseclass. Always zero in the | |
2215 | absence of multiple inheritance. */ | |
b34976b6 | 2216 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2217 | if (**pp != ',') |
2218 | { | |
2219 | bad_stab (orig); | |
b34976b6 | 2220 | return FALSE; |
252b5132 RH |
2221 | } |
2222 | ++*pp; | |
2223 | ||
2224 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2225 | (debug_type **) NULL); | |
2226 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2227 | return FALSE; |
252b5132 RH |
2228 | |
2229 | classes[i] = debug_make_baseclass (dhandle, type, bitpos, virtual, | |
2230 | visibility); | |
2231 | if (classes[i] == DEBUG_BASECLASS_NULL) | |
b34976b6 | 2232 | return FALSE; |
252b5132 RH |
2233 | |
2234 | if (**pp != ';') | |
b34976b6 | 2235 | return FALSE; |
252b5132 RH |
2236 | ++*pp; |
2237 | } | |
2238 | ||
2239 | classes[i] = DEBUG_BASECLASS_NULL; | |
2240 | ||
2241 | *retp = classes; | |
2242 | ||
b34976b6 | 2243 | return TRUE; |
252b5132 RH |
2244 | } |
2245 | ||
2246 | /* Read struct or class data fields. They have the form: | |
2247 | ||
2248 | NAME : [VISIBILITY] TYPENUM , BITPOS , BITSIZE ; | |
2249 | ||
2250 | At the end, we see a semicolon instead of a field. | |
2251 | ||
2252 | In C++, this may wind up being NAME:?TYPENUM:PHYSNAME; for | |
2253 | a static field. | |
2254 | ||
2255 | The optional VISIBILITY is one of: | |
2256 | ||
2257 | '/0' (VISIBILITY_PRIVATE) | |
2258 | '/1' (VISIBILITY_PROTECTED) | |
2259 | '/2' (VISIBILITY_PUBLIC) | |
2260 | '/9' (VISIBILITY_IGNORE) | |
2261 | ||
2262 | or nothing, for C style fields with public visibility. | |
2263 | ||
2264 | Returns 1 for success, 0 for failure. */ | |
2265 | ||
b34976b6 | 2266 | static bfd_boolean |
252b5132 RH |
2267 | parse_stab_struct_fields (dhandle, info, pp, retp, staticsp) |
2268 | PTR dhandle; | |
2269 | struct stab_handle *info; | |
2270 | const char **pp; | |
2271 | debug_field **retp; | |
b34976b6 | 2272 | bfd_boolean *staticsp; |
252b5132 RH |
2273 | { |
2274 | const char *orig; | |
2275 | const char *p; | |
2276 | debug_field *fields; | |
2277 | unsigned int c; | |
2278 | unsigned int alloc; | |
2279 | ||
2280 | *retp = NULL; | |
b34976b6 | 2281 | *staticsp = FALSE; |
252b5132 RH |
2282 | |
2283 | orig = *pp; | |
2284 | ||
2285 | c = 0; | |
2286 | alloc = 10; | |
2287 | fields = (debug_field *) xmalloc (alloc * sizeof *fields); | |
2288 | while (**pp != ';') | |
2289 | { | |
2290 | /* FIXME: gdb checks os9k_stabs here. */ | |
2291 | ||
2292 | p = *pp; | |
2293 | ||
2294 | /* Add 1 to c to leave room for NULL pointer at end. */ | |
2295 | if (c + 1 >= alloc) | |
2296 | { | |
2297 | alloc += 10; | |
2298 | fields = ((debug_field *) | |
2299 | xrealloc ((PTR) fields, alloc * sizeof *fields)); | |
2300 | } | |
2301 | ||
2302 | /* If it starts with CPLUS_MARKER it is a special abbreviation, | |
2303 | unless the CPLUS_MARKER is followed by an underscore, in | |
2304 | which case it is just the name of an anonymous type, which we | |
2305 | should handle like any other type name. We accept either '$' | |
2306 | or '.', because a field name can never contain one of these | |
2307 | characters except as a CPLUS_MARKER. */ | |
2308 | ||
2309 | if ((*p == '$' || *p == '.') && p[1] != '_') | |
2310 | { | |
2311 | ++*pp; | |
2312 | if (! parse_stab_cpp_abbrev (dhandle, info, pp, fields + c)) | |
b34976b6 | 2313 | return FALSE; |
252b5132 RH |
2314 | ++c; |
2315 | continue; | |
2316 | } | |
2317 | ||
2318 | /* Look for the ':' that separates the field name from the field | |
2319 | values. Data members are delimited by a single ':', while member | |
2320 | functions are delimited by a pair of ':'s. When we hit the member | |
9f66665a | 2321 | functions (if any), terminate scan loop and return. */ |
252b5132 RH |
2322 | |
2323 | p = strchr (p, ':'); | |
2324 | if (p == NULL) | |
2325 | { | |
2326 | bad_stab (orig); | |
b34976b6 | 2327 | return FALSE; |
252b5132 RH |
2328 | } |
2329 | ||
2330 | if (p[1] == ':') | |
2331 | break; | |
2332 | ||
2333 | if (! parse_stab_one_struct_field (dhandle, info, pp, p, fields + c, | |
2334 | staticsp)) | |
b34976b6 | 2335 | return FALSE; |
252b5132 RH |
2336 | |
2337 | ++c; | |
2338 | } | |
2339 | ||
2340 | fields[c] = DEBUG_FIELD_NULL; | |
2341 | ||
2342 | *retp = fields; | |
2343 | ||
b34976b6 | 2344 | return TRUE; |
252b5132 RH |
2345 | } |
2346 | ||
2347 | /* Special GNU C++ name. */ | |
2348 | ||
b34976b6 | 2349 | static bfd_boolean |
252b5132 RH |
2350 | parse_stab_cpp_abbrev (dhandle, info, pp, retp) |
2351 | PTR dhandle; | |
2352 | struct stab_handle *info; | |
2353 | const char **pp; | |
2354 | debug_field *retp; | |
2355 | { | |
2356 | const char *orig; | |
2357 | int cpp_abbrev; | |
2358 | debug_type context; | |
2359 | const char *name; | |
2360 | const char *typename; | |
2361 | debug_type type; | |
2362 | bfd_vma bitpos; | |
2363 | ||
2364 | *retp = DEBUG_FIELD_NULL; | |
2365 | ||
2366 | orig = *pp; | |
2367 | ||
2368 | if (**pp != 'v') | |
2369 | { | |
2370 | bad_stab (*pp); | |
b34976b6 | 2371 | return FALSE; |
252b5132 RH |
2372 | } |
2373 | ++*pp; | |
2374 | ||
2375 | cpp_abbrev = **pp; | |
2376 | ++*pp; | |
2377 | ||
2378 | /* At this point, *pp points to something like "22:23=*22...", where | |
2379 | the type number before the ':' is the "context" and everything | |
2380 | after is a regular type definition. Lookup the type, find it's | |
2381 | name, and construct the field name. */ | |
2382 | ||
2383 | context = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2384 | (debug_type **) NULL); | |
2385 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 2386 | return FALSE; |
252b5132 RH |
2387 | |
2388 | switch (cpp_abbrev) | |
2389 | { | |
2390 | case 'f': | |
2391 | /* $vf -- a virtual function table pointer. */ | |
2392 | name = "_vptr$"; | |
2393 | break; | |
2394 | case 'b': | |
2395 | /* $vb -- a virtual bsomethingorother */ | |
2396 | typename = debug_get_type_name (dhandle, context); | |
2397 | if (typename == NULL) | |
2398 | { | |
2399 | warn_stab (orig, _("unnamed $vb type")); | |
2400 | typename = "FOO"; | |
2401 | } | |
2402 | name = concat ("_vb$", typename, (const char *) NULL); | |
2403 | break; | |
2404 | default: | |
2405 | warn_stab (orig, _("unrecognized C++ abbreviation")); | |
2406 | name = "INVALID_CPLUSPLUS_ABBREV"; | |
2407 | break; | |
2408 | } | |
2409 | ||
2410 | if (**pp != ':') | |
2411 | { | |
2412 | bad_stab (orig); | |
b34976b6 | 2413 | return FALSE; |
252b5132 RH |
2414 | } |
2415 | ++*pp; | |
2416 | ||
2417 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2418 | (debug_type **) NULL); | |
2419 | if (**pp != ',') | |
2420 | { | |
2421 | bad_stab (orig); | |
b34976b6 | 2422 | return FALSE; |
252b5132 RH |
2423 | } |
2424 | ++*pp; | |
2425 | ||
b34976b6 | 2426 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2427 | if (**pp != ';') |
2428 | { | |
2429 | bad_stab (orig); | |
b34976b6 | 2430 | return FALSE; |
252b5132 RH |
2431 | } |
2432 | ++*pp; | |
2433 | ||
2434 | *retp = debug_make_field (dhandle, name, type, bitpos, 0, | |
2435 | DEBUG_VISIBILITY_PRIVATE); | |
2436 | if (*retp == DEBUG_FIELD_NULL) | |
b34976b6 | 2437 | return FALSE; |
252b5132 | 2438 | |
b34976b6 | 2439 | return TRUE; |
252b5132 RH |
2440 | } |
2441 | ||
2442 | /* Parse a single field in a struct or union. */ | |
2443 | ||
b34976b6 | 2444 | static bfd_boolean |
252b5132 RH |
2445 | parse_stab_one_struct_field (dhandle, info, pp, p, retp, staticsp) |
2446 | PTR dhandle; | |
2447 | struct stab_handle *info; | |
2448 | const char **pp; | |
2449 | const char *p; | |
2450 | debug_field *retp; | |
b34976b6 | 2451 | bfd_boolean *staticsp; |
252b5132 RH |
2452 | { |
2453 | const char *orig; | |
2454 | char *name; | |
2455 | enum debug_visibility visibility; | |
2456 | debug_type type; | |
2457 | bfd_vma bitpos; | |
2458 | bfd_vma bitsize; | |
2459 | ||
2460 | orig = *pp; | |
2461 | ||
2462 | /* FIXME: gdb checks ARM_DEMANGLING here. */ | |
2463 | ||
2464 | name = savestring (*pp, p - *pp); | |
2465 | ||
2466 | *pp = p + 1; | |
2467 | ||
2468 | if (**pp != '/') | |
2469 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2470 | else | |
2471 | { | |
2472 | ++*pp; | |
2473 | switch (**pp) | |
2474 | { | |
2475 | case '0': | |
2476 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2477 | break; | |
2478 | case '1': | |
2479 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2480 | break; | |
2481 | case '2': | |
2482 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2483 | break; | |
2484 | default: | |
2485 | warn_stab (orig, _("unknown visibility character for field")); | |
2486 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2487 | break; | |
2488 | } | |
2489 | ++*pp; | |
2490 | } | |
2491 | ||
2492 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2493 | (debug_type **) NULL); | |
2494 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2495 | return FALSE; |
252b5132 RH |
2496 | |
2497 | if (**pp == ':') | |
2498 | { | |
2499 | char *varname; | |
2500 | ||
2501 | /* This is a static class member. */ | |
2502 | ++*pp; | |
2503 | p = strchr (*pp, ';'); | |
2504 | if (p == NULL) | |
2505 | { | |
2506 | bad_stab (orig); | |
b34976b6 | 2507 | return FALSE; |
252b5132 RH |
2508 | } |
2509 | ||
2510 | varname = savestring (*pp, p - *pp); | |
2511 | ||
2512 | *pp = p + 1; | |
2513 | ||
2514 | *retp = debug_make_static_member (dhandle, name, type, varname, | |
2515 | visibility); | |
b34976b6 | 2516 | *staticsp = TRUE; |
252b5132 | 2517 | |
b34976b6 | 2518 | return TRUE; |
252b5132 RH |
2519 | } |
2520 | ||
2521 | if (**pp != ',') | |
2522 | { | |
2523 | bad_stab (orig); | |
b34976b6 | 2524 | return FALSE; |
252b5132 RH |
2525 | } |
2526 | ++*pp; | |
2527 | ||
b34976b6 | 2528 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2529 | if (**pp != ',') |
2530 | { | |
2531 | bad_stab (orig); | |
b34976b6 | 2532 | return FALSE; |
252b5132 RH |
2533 | } |
2534 | ++*pp; | |
2535 | ||
b34976b6 | 2536 | bitsize = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2537 | if (**pp != ';') |
2538 | { | |
2539 | bad_stab (orig); | |
b34976b6 | 2540 | return FALSE; |
252b5132 RH |
2541 | } |
2542 | ++*pp; | |
2543 | ||
2544 | if (bitpos == 0 && bitsize == 0) | |
2545 | { | |
2546 | /* This can happen in two cases: (1) at least for gcc 2.4.5 or | |
2547 | so, it is a field which has been optimized out. The correct | |
2548 | stab for this case is to use VISIBILITY_IGNORE, but that is a | |
2549 | recent invention. (2) It is a 0-size array. For example | |
2550 | union { int num; char str[0]; } foo. Printing "<no value>" | |
2551 | for str in "p foo" is OK, since foo.str (and thus foo.str[3]) | |
2552 | will continue to work, and a 0-size array as a whole doesn't | |
2553 | have any contents to print. | |
2554 | ||
2555 | I suspect this probably could also happen with gcc -gstabs | |
2556 | (not -gstabs+) for static fields, and perhaps other C++ | |
2557 | extensions. Hopefully few people use -gstabs with gdb, since | |
2558 | it is intended for dbx compatibility. */ | |
2559 | visibility = DEBUG_VISIBILITY_IGNORE; | |
2560 | } | |
2561 | ||
2562 | /* FIXME: gdb does some stuff here to mark fields as unpacked. */ | |
2563 | ||
2564 | *retp = debug_make_field (dhandle, name, type, bitpos, bitsize, visibility); | |
2565 | ||
b34976b6 | 2566 | return TRUE; |
252b5132 RH |
2567 | } |
2568 | ||
2569 | /* Read member function stabs info for C++ classes. The form of each member | |
2570 | function data is: | |
2571 | ||
2572 | NAME :: TYPENUM[=type definition] ARGS : PHYSNAME ; | |
2573 | ||
2574 | An example with two member functions is: | |
2575 | ||
2576 | afunc1::20=##15;:i;2A.;afunc2::20:i;2A.; | |
2577 | ||
2578 | For the case of overloaded operators, the format is op$::*.funcs, where | |
2579 | $ is the CPLUS_MARKER (usually '$'), `*' holds the place for an operator | |
2580 | name (such as `+=') and `.' marks the end of the operator name. */ | |
2581 | ||
b34976b6 | 2582 | static bfd_boolean |
252b5132 RH |
2583 | parse_stab_members (dhandle, info, tagname, pp, typenums, retp) |
2584 | PTR dhandle; | |
2585 | struct stab_handle *info; | |
2586 | const char *tagname; | |
2587 | const char **pp; | |
2588 | const int *typenums; | |
2589 | debug_method **retp; | |
2590 | { | |
2591 | const char *orig; | |
2592 | debug_method *methods; | |
2593 | unsigned int c; | |
2594 | unsigned int alloc; | |
2595 | ||
2596 | *retp = NULL; | |
2597 | ||
2598 | orig = *pp; | |
2599 | ||
2600 | alloc = 0; | |
2601 | methods = NULL; | |
2602 | c = 0; | |
2603 | ||
2604 | while (**pp != ';') | |
2605 | { | |
2606 | const char *p; | |
2607 | char *name; | |
2608 | debug_method_variant *variants; | |
2609 | unsigned int cvars; | |
2610 | unsigned int allocvars; | |
2611 | debug_type look_ahead_type; | |
2612 | ||
2613 | p = strchr (*pp, ':'); | |
2614 | if (p == NULL || p[1] != ':') | |
2615 | break; | |
2616 | ||
2617 | /* FIXME: Some systems use something other than '$' here. */ | |
2618 | if ((*pp)[0] != 'o' || (*pp)[1] != 'p' || (*pp)[2] != '$') | |
2619 | { | |
2620 | name = savestring (*pp, p - *pp); | |
2621 | *pp = p + 2; | |
2622 | } | |
2623 | else | |
2624 | { | |
2625 | /* This is a completely wierd case. In order to stuff in the | |
2626 | names that might contain colons (the usual name delimiter), | |
2627 | Mike Tiemann defined a different name format which is | |
2628 | signalled if the identifier is "op$". In that case, the | |
2629 | format is "op$::XXXX." where XXXX is the name. This is | |
2630 | used for names like "+" or "=". YUUUUUUUK! FIXME! */ | |
2631 | *pp = p + 2; | |
2632 | for (p = *pp; *p != '.' && *p != '\0'; p++) | |
2633 | ; | |
2634 | if (*p != '.') | |
2635 | { | |
2636 | bad_stab (orig); | |
b34976b6 | 2637 | return FALSE; |
252b5132 RH |
2638 | } |
2639 | name = savestring (*pp, p - *pp); | |
2640 | *pp = p + 1; | |
2641 | } | |
2642 | ||
2643 | allocvars = 10; | |
2644 | variants = ((debug_method_variant *) | |
2645 | xmalloc (allocvars * sizeof *variants)); | |
2646 | cvars = 0; | |
2647 | ||
2648 | look_ahead_type = DEBUG_TYPE_NULL; | |
2649 | ||
2650 | do | |
2651 | { | |
2652 | debug_type type; | |
b34976b6 | 2653 | bfd_boolean stub; |
252b5132 RH |
2654 | char *argtypes; |
2655 | enum debug_visibility visibility; | |
b34976b6 | 2656 | bfd_boolean constp, volatilep, staticp; |
252b5132 RH |
2657 | bfd_vma voffset; |
2658 | debug_type context; | |
2659 | const char *physname; | |
b34976b6 | 2660 | bfd_boolean varargs; |
252b5132 RH |
2661 | |
2662 | if (look_ahead_type != DEBUG_TYPE_NULL) | |
2663 | { | |
2664 | /* g++ version 1 kludge */ | |
2665 | type = look_ahead_type; | |
2666 | look_ahead_type = DEBUG_TYPE_NULL; | |
2667 | } | |
2668 | else | |
2669 | { | |
2670 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2671 | (debug_type **) NULL); | |
2672 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2673 | return FALSE; |
252b5132 RH |
2674 | if (**pp != ':') |
2675 | { | |
2676 | bad_stab (orig); | |
b34976b6 | 2677 | return FALSE; |
252b5132 RH |
2678 | } |
2679 | } | |
2680 | ||
2681 | ++*pp; | |
2682 | p = strchr (*pp, ';'); | |
2683 | if (p == NULL) | |
2684 | { | |
2685 | bad_stab (orig); | |
b34976b6 | 2686 | return FALSE; |
252b5132 RH |
2687 | } |
2688 | ||
b34976b6 | 2689 | stub = FALSE; |
252b5132 RH |
2690 | if (debug_get_type_kind (dhandle, type) == DEBUG_KIND_METHOD |
2691 | && debug_get_parameter_types (dhandle, type, &varargs) == NULL) | |
b34976b6 | 2692 | stub = TRUE; |
252b5132 RH |
2693 | |
2694 | argtypes = savestring (*pp, p - *pp); | |
2695 | *pp = p + 1; | |
2696 | ||
2697 | switch (**pp) | |
2698 | { | |
2699 | case '0': | |
2700 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2701 | break; | |
2702 | case '1': | |
2703 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2704 | break; | |
2705 | default: | |
2706 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2707 | break; | |
2708 | } | |
2709 | ++*pp; | |
2710 | ||
b34976b6 AM |
2711 | constp = FALSE; |
2712 | volatilep = FALSE; | |
252b5132 RH |
2713 | switch (**pp) |
2714 | { | |
2715 | case 'A': | |
2716 | /* Normal function. */ | |
2717 | ++*pp; | |
2718 | break; | |
2719 | case 'B': | |
2720 | /* const member function. */ | |
b34976b6 | 2721 | constp = TRUE; |
252b5132 RH |
2722 | ++*pp; |
2723 | break; | |
2724 | case 'C': | |
2725 | /* volatile member function. */ | |
b34976b6 | 2726 | volatilep = TRUE; |
252b5132 RH |
2727 | ++*pp; |
2728 | break; | |
2729 | case 'D': | |
2730 | /* const volatile member function. */ | |
b34976b6 AM |
2731 | constp = TRUE; |
2732 | volatilep = TRUE; | |
252b5132 RH |
2733 | ++*pp; |
2734 | break; | |
2735 | case '*': | |
2736 | case '?': | |
2737 | case '.': | |
2738 | /* File compiled with g++ version 1; no information. */ | |
2739 | break; | |
2740 | default: | |
2741 | warn_stab (orig, _("const/volatile indicator missing")); | |
2742 | break; | |
2743 | } | |
2744 | ||
b34976b6 | 2745 | staticp = FALSE; |
252b5132 RH |
2746 | switch (**pp) |
2747 | { | |
2748 | case '*': | |
2749 | /* virtual member function, followed by index. The sign | |
2750 | bit is supposedly set to distinguish | |
2751 | pointers-to-methods from virtual function indicies. */ | |
2752 | ++*pp; | |
b34976b6 | 2753 | voffset = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2754 | if (**pp != ';') |
2755 | { | |
2756 | bad_stab (orig); | |
b34976b6 | 2757 | return FALSE; |
252b5132 RH |
2758 | } |
2759 | ++*pp; | |
2760 | voffset &= 0x7fffffff; | |
2761 | ||
2762 | if (**pp == ';' || *pp == '\0') | |
2763 | { | |
2764 | /* Must be g++ version 1. */ | |
2765 | context = DEBUG_TYPE_NULL; | |
2766 | } | |
2767 | else | |
2768 | { | |
2769 | /* Figure out from whence this virtual function | |
2770 | came. It may belong to virtual function table of | |
2771 | one of its baseclasses. */ | |
9f66665a KH |
2772 | look_ahead_type = parse_stab_type (dhandle, info, |
2773 | (const char *) NULL, | |
2774 | pp, | |
2775 | (debug_type **) NULL); | |
2776 | if (**pp == ':') | |
2777 | { | |
2778 | /* g++ version 1 overloaded methods. */ | |
2779 | context = DEBUG_TYPE_NULL; | |
2780 | } | |
2781 | else | |
2782 | { | |
2783 | context = look_ahead_type; | |
2784 | look_ahead_type = DEBUG_TYPE_NULL; | |
2785 | if (**pp != ';') | |
2786 | { | |
2787 | bad_stab (orig); | |
b34976b6 | 2788 | return FALSE; |
9f66665a KH |
2789 | } |
2790 | ++*pp; | |
2791 | } | |
2792 | } | |
252b5132 RH |
2793 | break; |
2794 | ||
2795 | case '?': | |
2796 | /* static member function. */ | |
2797 | ++*pp; | |
b34976b6 | 2798 | staticp = TRUE; |
252b5132 RH |
2799 | voffset = 0; |
2800 | context = DEBUG_TYPE_NULL; | |
2801 | if (strncmp (argtypes, name, strlen (name)) != 0) | |
b34976b6 | 2802 | stub = TRUE; |
252b5132 RH |
2803 | break; |
2804 | ||
2805 | default: | |
2806 | warn_stab (orig, "member function type missing"); | |
2807 | voffset = 0; | |
2808 | context = DEBUG_TYPE_NULL; | |
2809 | break; | |
2810 | ||
2811 | case '.': | |
2812 | ++*pp; | |
2813 | voffset = 0; | |
2814 | context = DEBUG_TYPE_NULL; | |
2815 | break; | |
2816 | } | |
2817 | ||
2818 | /* If the type is not a stub, then the argtypes string is | |
2819 | the physical name of the function. Otherwise the | |
2820 | argtypes string is the mangled form of the argument | |
2821 | types, and the full type and the physical name must be | |
2822 | extracted from them. */ | |
2823 | if (! stub) | |
2824 | physname = argtypes; | |
2825 | else | |
2826 | { | |
2827 | debug_type class_type, return_type; | |
2828 | ||
2829 | class_type = stab_find_type (dhandle, info, typenums); | |
2830 | if (class_type == DEBUG_TYPE_NULL) | |
b34976b6 | 2831 | return FALSE; |
252b5132 RH |
2832 | return_type = debug_get_return_type (dhandle, type); |
2833 | if (return_type == DEBUG_TYPE_NULL) | |
2834 | { | |
2835 | bad_stab (orig); | |
b34976b6 | 2836 | return FALSE; |
252b5132 RH |
2837 | } |
2838 | type = parse_stab_argtypes (dhandle, info, class_type, name, | |
2839 | tagname, return_type, argtypes, | |
2840 | constp, volatilep, &physname); | |
2841 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2842 | return FALSE; |
252b5132 RH |
2843 | } |
2844 | ||
2845 | if (cvars + 1 >= allocvars) | |
2846 | { | |
2847 | allocvars += 10; | |
2848 | variants = ((debug_method_variant *) | |
2849 | xrealloc ((PTR) variants, | |
2850 | allocvars * sizeof *variants)); | |
2851 | } | |
2852 | ||
2853 | if (! staticp) | |
2854 | variants[cvars] = debug_make_method_variant (dhandle, physname, | |
2855 | type, visibility, | |
2856 | constp, volatilep, | |
2857 | voffset, context); | |
2858 | else | |
2859 | variants[cvars] = debug_make_static_method_variant (dhandle, | |
2860 | physname, | |
2861 | type, | |
2862 | visibility, | |
2863 | constp, | |
2864 | volatilep); | |
2865 | if (variants[cvars] == DEBUG_METHOD_VARIANT_NULL) | |
b34976b6 | 2866 | return FALSE; |
252b5132 RH |
2867 | |
2868 | ++cvars; | |
2869 | } | |
2870 | while (**pp != ';' && **pp != '\0'); | |
2871 | ||
2872 | variants[cvars] = DEBUG_METHOD_VARIANT_NULL; | |
2873 | ||
2874 | if (**pp != '\0') | |
2875 | ++*pp; | |
2876 | ||
2877 | if (c + 1 >= alloc) | |
2878 | { | |
2879 | alloc += 10; | |
2880 | methods = ((debug_method *) | |
2881 | xrealloc ((PTR) methods, alloc * sizeof *methods)); | |
2882 | } | |
2883 | ||
2884 | methods[c] = debug_make_method (dhandle, name, variants); | |
2885 | ||
2886 | ++c; | |
2887 | } | |
2888 | ||
2889 | if (methods != NULL) | |
2890 | methods[c] = DEBUG_METHOD_NULL; | |
2891 | ||
2892 | *retp = methods; | |
2893 | ||
b34976b6 | 2894 | return TRUE; |
252b5132 RH |
2895 | } |
2896 | ||
2897 | /* Parse a string representing argument types for a method. Stabs | |
2898 | tries to save space by packing argument types into a mangled | |
2899 | string. This string should give us enough information to extract | |
2900 | both argument types and the physical name of the function, given | |
2901 | the tag name. */ | |
2902 | ||
2903 | static debug_type | |
2904 | parse_stab_argtypes (dhandle, info, class_type, fieldname, tagname, | |
2905 | return_type, argtypes, constp, volatilep, pphysname) | |
2906 | PTR dhandle; | |
2907 | struct stab_handle *info; | |
2908 | debug_type class_type; | |
2909 | const char *fieldname; | |
2910 | const char *tagname; | |
2911 | debug_type return_type; | |
2912 | const char *argtypes; | |
b34976b6 AM |
2913 | bfd_boolean constp; |
2914 | bfd_boolean volatilep; | |
252b5132 RH |
2915 | const char **pphysname; |
2916 | { | |
b34976b6 AM |
2917 | bfd_boolean is_full_physname_constructor; |
2918 | bfd_boolean is_constructor; | |
2919 | bfd_boolean is_destructor; | |
252b5132 | 2920 | debug_type *args; |
b34976b6 | 2921 | bfd_boolean varargs; |
4b73ca92 | 2922 | unsigned int physname_len = 0; |
252b5132 RH |
2923 | |
2924 | /* Constructors are sometimes handled specially. */ | |
2925 | is_full_physname_constructor = ((argtypes[0] == '_' | |
2926 | && argtypes[1] == '_' | |
3882b010 | 2927 | && (ISDIGIT (argtypes[2]) |
252b5132 RH |
2928 | || argtypes[2] == 'Q' |
2929 | || argtypes[2] == 't')) | |
2930 | || strncmp (argtypes, "__ct", 4) == 0); | |
2931 | ||
2932 | is_constructor = (is_full_physname_constructor | |
2933 | || (tagname != NULL | |
2934 | && strcmp (fieldname, tagname) == 0)); | |
2935 | is_destructor = ((argtypes[0] == '_' | |
2936 | && (argtypes[1] == '$' || argtypes[1] == '.') | |
2937 | && argtypes[2] == '_') | |
2938 | || strncmp (argtypes, "__dt", 4) == 0); | |
2939 | ||
2940 | if (is_destructor || is_full_physname_constructor) | |
2941 | *pphysname = argtypes; | |
2942 | else | |
2943 | { | |
2944 | unsigned int len; | |
2945 | const char *const_prefix; | |
2946 | const char *volatile_prefix; | |
2947 | char buf[20]; | |
2948 | unsigned int mangled_name_len; | |
2949 | char *physname; | |
2950 | ||
2951 | len = tagname == NULL ? 0 : strlen (tagname); | |
2952 | const_prefix = constp ? "C" : ""; | |
2953 | volatile_prefix = volatilep ? "V" : ""; | |
2954 | ||
2955 | if (len == 0) | |
2956 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); | |
2957 | else if (tagname != NULL && strchr (tagname, '<') != NULL) | |
2958 | { | |
2959 | /* Template methods are fully mangled. */ | |
2960 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); | |
2961 | tagname = NULL; | |
2962 | len = 0; | |
2963 | } | |
2964 | else | |
2965 | sprintf (buf, "__%s%s%d", const_prefix, volatile_prefix, len); | |
2966 | ||
2967 | mangled_name_len = ((is_constructor ? 0 : strlen (fieldname)) | |
2968 | + strlen (buf) | |
2969 | + len | |
2970 | + strlen (argtypes) | |
2971 | + 1); | |
2972 | ||
2973 | if (fieldname[0] == 'o' | |
2974 | && fieldname[1] == 'p' | |
2975 | && (fieldname[2] == '$' || fieldname[2] == '.')) | |
2976 | { | |
2977 | const char *opname; | |
2978 | ||
2979 | opname = cplus_mangle_opname (fieldname + 3, 0); | |
2980 | if (opname == NULL) | |
2981 | { | |
2982 | fprintf (stderr, _("No mangling for \"%s\"\n"), fieldname); | |
2983 | return DEBUG_TYPE_NULL; | |
2984 | } | |
2985 | mangled_name_len += strlen (opname); | |
2986 | physname = (char *) xmalloc (mangled_name_len); | |
2987 | strncpy (physname, fieldname, 3); | |
2988 | strcpy (physname + 3, opname); | |
2989 | } | |
2990 | else | |
2991 | { | |
2992 | physname = (char *) xmalloc (mangled_name_len); | |
2993 | if (is_constructor) | |
2994 | physname[0] = '\0'; | |
2995 | else | |
2996 | strcpy (physname, fieldname); | |
2997 | } | |
2998 | ||
4b73ca92 | 2999 | physname_len = strlen (physname); |
252b5132 RH |
3000 | strcat (physname, buf); |
3001 | if (tagname != NULL) | |
3002 | strcat (physname, tagname); | |
3003 | strcat (physname, argtypes); | |
3004 | ||
3005 | *pphysname = physname; | |
3006 | } | |
3007 | ||
3008 | if (*argtypes == '\0' || is_destructor) | |
3009 | { | |
3010 | args = (debug_type *) xmalloc (sizeof *args); | |
3011 | *args = NULL; | |
3012 | return debug_make_method_type (dhandle, return_type, class_type, args, | |
b34976b6 | 3013 | FALSE); |
252b5132 RH |
3014 | } |
3015 | ||
4b73ca92 | 3016 | args = stab_demangle_argtypes (dhandle, info, *pphysname, &varargs, physname_len); |
252b5132 RH |
3017 | if (args == NULL) |
3018 | return DEBUG_TYPE_NULL; | |
3019 | ||
3020 | return debug_make_method_type (dhandle, return_type, class_type, args, | |
3021 | varargs); | |
3022 | } | |
3023 | ||
3024 | /* The tail end of stabs for C++ classes that contain a virtual function | |
3025 | pointer contains a tilde, a %, and a type number. | |
3026 | The type number refers to the base class (possibly this class itself) which | |
3027 | contains the vtable pointer for the current class. | |
3028 | ||
3029 | This function is called when we have parsed all the method declarations, | |
3030 | so we can look for the vptr base class info. */ | |
3031 | ||
b34976b6 | 3032 | static bfd_boolean |
252b5132 RH |
3033 | parse_stab_tilde_field (dhandle, info, pp, typenums, retvptrbase, retownvptr) |
3034 | PTR dhandle; | |
3035 | struct stab_handle *info; | |
3036 | const char **pp; | |
3037 | const int *typenums; | |
3038 | debug_type *retvptrbase; | |
b34976b6 | 3039 | bfd_boolean *retownvptr; |
252b5132 RH |
3040 | { |
3041 | const char *orig; | |
3042 | const char *hold; | |
3043 | int vtypenums[2]; | |
3044 | ||
3045 | *retvptrbase = DEBUG_TYPE_NULL; | |
b34976b6 | 3046 | *retownvptr = FALSE; |
252b5132 RH |
3047 | |
3048 | orig = *pp; | |
3049 | ||
9f66665a | 3050 | /* If we are positioned at a ';', then skip it. */ |
252b5132 RH |
3051 | if (**pp == ';') |
3052 | ++*pp; | |
3053 | ||
3054 | if (**pp != '~') | |
b34976b6 | 3055 | return TRUE; |
252b5132 RH |
3056 | |
3057 | ++*pp; | |
3058 | ||
3059 | if (**pp == '=' || **pp == '+' || **pp == '-') | |
3060 | { | |
3061 | /* Obsolete flags that used to indicate the presence of | |
9f66665a | 3062 | constructors and/or destructors. */ |
252b5132 RH |
3063 | ++*pp; |
3064 | } | |
3065 | ||
3066 | if (**pp != '%') | |
b34976b6 | 3067 | return TRUE; |
252b5132 RH |
3068 | |
3069 | ++*pp; | |
3070 | ||
3071 | hold = *pp; | |
3072 | ||
3073 | /* The next number is the type number of the base class (possibly | |
3074 | our own class) which supplies the vtable for this class. */ | |
3075 | if (! parse_stab_type_number (pp, vtypenums)) | |
b34976b6 | 3076 | return FALSE; |
252b5132 RH |
3077 | |
3078 | if (vtypenums[0] == typenums[0] | |
3079 | && vtypenums[1] == typenums[1]) | |
b34976b6 | 3080 | *retownvptr = TRUE; |
252b5132 RH |
3081 | else |
3082 | { | |
3083 | debug_type vtype; | |
3084 | const char *p; | |
3085 | ||
3086 | *pp = hold; | |
3087 | ||
3088 | vtype = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
3089 | (debug_type **) NULL); | |
3090 | for (p = *pp; *p != ';' && *p != '\0'; p++) | |
3091 | ; | |
3092 | if (*p != ';') | |
3093 | { | |
3094 | bad_stab (orig); | |
b34976b6 | 3095 | return FALSE; |
252b5132 RH |
3096 | } |
3097 | ||
3098 | *retvptrbase = vtype; | |
3099 | ||
3100 | *pp = p + 1; | |
3101 | } | |
3102 | ||
b34976b6 | 3103 | return TRUE; |
252b5132 RH |
3104 | } |
3105 | ||
3106 | /* Read a definition of an array type. */ | |
3107 | ||
3108 | static debug_type | |
3109 | parse_stab_array_type (dhandle, info, pp, stringp) | |
3110 | PTR dhandle; | |
3111 | struct stab_handle *info; | |
3112 | const char **pp; | |
b34976b6 | 3113 | bfd_boolean stringp; |
252b5132 RH |
3114 | { |
3115 | const char *orig; | |
3116 | const char *p; | |
3117 | int typenums[2]; | |
3118 | debug_type index_type; | |
b34976b6 | 3119 | bfd_boolean adjustable; |
252b5132 RH |
3120 | bfd_signed_vma lower, upper; |
3121 | debug_type element_type; | |
3122 | ||
3123 | /* Format of an array type: | |
3124 | "ar<index type>;lower;upper;<array_contents_type>". | |
3125 | OS9000: "arlower,upper;<array_contents_type>". | |
3126 | ||
3127 | Fortran adjustable arrays use Adigits or Tdigits for lower or upper; | |
3128 | for these, produce a type like float[][]. */ | |
3129 | ||
3130 | orig = *pp; | |
3131 | ||
3132 | /* FIXME: gdb checks os9k_stabs here. */ | |
3133 | ||
3134 | /* If the index type is type 0, we take it as int. */ | |
3135 | p = *pp; | |
3136 | if (! parse_stab_type_number (&p, typenums)) | |
3dceb55b | 3137 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3138 | if (typenums[0] == 0 && typenums[1] == 0 && **pp != '=') |
3139 | { | |
3140 | index_type = debug_find_named_type (dhandle, "int"); | |
3141 | if (index_type == DEBUG_TYPE_NULL) | |
3142 | { | |
b34976b6 | 3143 | index_type = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 | 3144 | if (index_type == DEBUG_TYPE_NULL) |
3dceb55b | 3145 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3146 | } |
3147 | *pp = p; | |
3148 | } | |
3149 | else | |
3150 | { | |
3151 | index_type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
3152 | (debug_type **) NULL); | |
3153 | } | |
3154 | ||
3155 | if (**pp != ';') | |
3156 | { | |
3157 | bad_stab (orig); | |
3158 | return DEBUG_TYPE_NULL; | |
3159 | } | |
3160 | ++*pp; | |
3161 | ||
b34976b6 | 3162 | adjustable = FALSE; |
252b5132 | 3163 | |
3882b010 | 3164 | if (! ISDIGIT (**pp) && **pp != '-') |
252b5132 RH |
3165 | { |
3166 | ++*pp; | |
b34976b6 | 3167 | adjustable = TRUE; |
252b5132 RH |
3168 | } |
3169 | ||
b34976b6 | 3170 | lower = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
3171 | if (**pp != ';') |
3172 | { | |
3173 | bad_stab (orig); | |
3dceb55b | 3174 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3175 | } |
3176 | ++*pp; | |
3177 | ||
3882b010 | 3178 | if (! ISDIGIT (**pp) && **pp != '-') |
252b5132 RH |
3179 | { |
3180 | ++*pp; | |
b34976b6 | 3181 | adjustable = TRUE; |
252b5132 RH |
3182 | } |
3183 | ||
b34976b6 | 3184 | upper = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
3185 | if (**pp != ';') |
3186 | { | |
3187 | bad_stab (orig); | |
3dceb55b | 3188 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3189 | } |
3190 | ++*pp; | |
3191 | ||
3192 | element_type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
3193 | (debug_type **) NULL); | |
3194 | if (element_type == DEBUG_TYPE_NULL) | |
3dceb55b | 3195 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3196 | |
3197 | if (adjustable) | |
3198 | { | |
3199 | lower = 0; | |
3200 | upper = -1; | |
3201 | } | |
3202 | ||
3203 | return debug_make_array_type (dhandle, element_type, index_type, lower, | |
3204 | upper, stringp); | |
3205 | } | |
3206 | ||
3207 | /* This struct holds information about files we have seen using | |
3208 | N_BINCL. */ | |
3209 | ||
3210 | struct bincl_file | |
3211 | { | |
3212 | /* The next N_BINCL file. */ | |
3213 | struct bincl_file *next; | |
3214 | /* The next N_BINCL on the stack. */ | |
3215 | struct bincl_file *next_stack; | |
3216 | /* The file name. */ | |
3217 | const char *name; | |
3218 | /* The hash value. */ | |
3219 | bfd_vma hash; | |
3220 | /* The file index. */ | |
3221 | unsigned int file; | |
3222 | /* The list of types defined in this file. */ | |
3223 | struct stab_types *file_types; | |
3224 | }; | |
3225 | ||
3226 | /* Start a new N_BINCL file, pushing it onto the stack. */ | |
3227 | ||
3228 | static void | |
3229 | push_bincl (info, name, hash) | |
3230 | struct stab_handle *info; | |
3231 | const char *name; | |
3232 | bfd_vma hash; | |
3233 | { | |
3234 | struct bincl_file *n; | |
3235 | ||
3236 | n = (struct bincl_file *) xmalloc (sizeof *n); | |
3237 | n->next = info->bincl_list; | |
3238 | n->next_stack = info->bincl_stack; | |
3239 | n->name = name; | |
3240 | n->hash = hash; | |
3241 | n->file = info->files; | |
3242 | n->file_types = NULL; | |
3243 | info->bincl_list = n; | |
3244 | info->bincl_stack = n; | |
3245 | ||
3246 | ++info->files; | |
3247 | info->file_types = ((struct stab_types **) | |
3248 | xrealloc ((PTR) info->file_types, | |
3249 | (info->files | |
3250 | * sizeof *info->file_types))); | |
3251 | info->file_types[n->file] = NULL; | |
3252 | } | |
3253 | ||
3254 | /* Finish an N_BINCL file, at an N_EINCL, popping the name off the | |
3255 | stack. */ | |
3256 | ||
3257 | static const char * | |
3258 | pop_bincl (info) | |
3259 | struct stab_handle *info; | |
3260 | { | |
3261 | struct bincl_file *o; | |
3262 | ||
3263 | o = info->bincl_stack; | |
3264 | if (o == NULL) | |
3265 | return info->main_filename; | |
3266 | info->bincl_stack = o->next_stack; | |
3267 | ||
3268 | o->file_types = info->file_types[o->file]; | |
3269 | ||
3270 | if (info->bincl_stack == NULL) | |
3271 | return info->main_filename; | |
3272 | return info->bincl_stack->name; | |
3273 | } | |
3274 | ||
3275 | /* Handle an N_EXCL: get the types from the corresponding N_BINCL. */ | |
3276 | ||
b34976b6 | 3277 | static bfd_boolean |
252b5132 RH |
3278 | find_excl (info, name, hash) |
3279 | struct stab_handle *info; | |
3280 | const char *name; | |
3281 | bfd_vma hash; | |
3282 | { | |
3283 | struct bincl_file *l; | |
3284 | ||
3285 | ++info->files; | |
3286 | info->file_types = ((struct stab_types **) | |
3287 | xrealloc ((PTR) info->file_types, | |
3288 | (info->files | |
3289 | * sizeof *info->file_types))); | |
3290 | ||
3291 | for (l = info->bincl_list; l != NULL; l = l->next) | |
3292 | if (l->hash == hash && strcmp (l->name, name) == 0) | |
3293 | break; | |
3294 | if (l == NULL) | |
3295 | { | |
3296 | warn_stab (name, _("Undefined N_EXCL")); | |
3297 | info->file_types[info->files - 1] = NULL; | |
b34976b6 | 3298 | return TRUE; |
252b5132 RH |
3299 | } |
3300 | ||
3301 | info->file_types[info->files - 1] = l->file_types; | |
3302 | ||
b34976b6 | 3303 | return TRUE; |
252b5132 RH |
3304 | } |
3305 | ||
3306 | /* Handle a variable definition. gcc emits variable definitions for a | |
3307 | block before the N_LBRAC, so we must hold onto them until we see | |
3308 | it. The SunPRO compiler emits variable definitions after the | |
3309 | N_LBRAC, so we can call debug_record_variable immediately. */ | |
3310 | ||
b34976b6 | 3311 | static bfd_boolean |
252b5132 RH |
3312 | stab_record_variable (dhandle, info, name, type, kind, val) |
3313 | PTR dhandle; | |
3314 | struct stab_handle *info; | |
3315 | const char *name; | |
3316 | debug_type type; | |
3317 | enum debug_var_kind kind; | |
3318 | bfd_vma val; | |
3319 | { | |
3320 | struct stab_pending_var *v; | |
3321 | ||
3322 | if ((kind == DEBUG_GLOBAL || kind == DEBUG_STATIC) | |
3323 | || ! info->within_function | |
3324 | || (info->gcc_compiled == 0 && info->n_opt_found)) | |
3325 | return debug_record_variable (dhandle, name, type, kind, val); | |
3326 | ||
3327 | v = (struct stab_pending_var *) xmalloc (sizeof *v); | |
3328 | memset (v, 0, sizeof *v); | |
3329 | ||
3330 | v->next = info->pending; | |
3331 | v->name = name; | |
3332 | v->type = type; | |
3333 | v->kind = kind; | |
3334 | v->val = val; | |
3335 | info->pending = v; | |
3336 | ||
b34976b6 | 3337 | return TRUE; |
252b5132 RH |
3338 | } |
3339 | ||
3340 | /* Emit pending variable definitions. This is called after we see the | |
3341 | N_LBRAC that starts the block. */ | |
3342 | ||
b34976b6 | 3343 | static bfd_boolean |
252b5132 RH |
3344 | stab_emit_pending_vars (dhandle, info) |
3345 | PTR dhandle; | |
3346 | struct stab_handle *info; | |
3347 | { | |
3348 | struct stab_pending_var *v; | |
3349 | ||
3350 | v = info->pending; | |
3351 | while (v != NULL) | |
3352 | { | |
3353 | struct stab_pending_var *next; | |
3354 | ||
3355 | if (! debug_record_variable (dhandle, v->name, v->type, v->kind, v->val)) | |
b34976b6 | 3356 | return FALSE; |
252b5132 RH |
3357 | |
3358 | next = v->next; | |
3359 | free (v); | |
3360 | v = next; | |
3361 | } | |
3362 | ||
3363 | info->pending = NULL; | |
3364 | ||
b34976b6 | 3365 | return TRUE; |
252b5132 RH |
3366 | } |
3367 | ||
3368 | /* Find the slot for a type in the database. */ | |
3369 | ||
3370 | static debug_type * | |
3371 | stab_find_slot (info, typenums) | |
3372 | struct stab_handle *info; | |
3373 | const int *typenums; | |
3374 | { | |
3375 | int filenum; | |
3376 | int index; | |
3377 | struct stab_types **ps; | |
3378 | ||
3379 | filenum = typenums[0]; | |
3380 | index = typenums[1]; | |
3381 | ||
3382 | if (filenum < 0 || (unsigned int) filenum >= info->files) | |
3383 | { | |
3384 | fprintf (stderr, _("Type file number %d out of range\n"), filenum); | |
3385 | return NULL; | |
3386 | } | |
3387 | if (index < 0) | |
3388 | { | |
3389 | fprintf (stderr, _("Type index number %d out of range\n"), index); | |
3390 | return NULL; | |
3391 | } | |
3392 | ||
3393 | ps = info->file_types + filenum; | |
3394 | ||
3395 | while (index >= STAB_TYPES_SLOTS) | |
3396 | { | |
3397 | if (*ps == NULL) | |
3398 | { | |
3399 | *ps = (struct stab_types *) xmalloc (sizeof **ps); | |
3400 | memset (*ps, 0, sizeof **ps); | |
3401 | } | |
3402 | ps = &(*ps)->next; | |
3403 | index -= STAB_TYPES_SLOTS; | |
3404 | } | |
3405 | if (*ps == NULL) | |
3406 | { | |
3407 | *ps = (struct stab_types *) xmalloc (sizeof **ps); | |
3408 | memset (*ps, 0, sizeof **ps); | |
3409 | } | |
3410 | ||
3411 | return (*ps)->types + index; | |
3412 | } | |
3413 | ||
3414 | /* Find a type given a type number. If the type has not been | |
3415 | allocated yet, create an indirect type. */ | |
3416 | ||
3417 | static debug_type | |
3418 | stab_find_type (dhandle, info, typenums) | |
3419 | PTR dhandle; | |
3420 | struct stab_handle *info; | |
3421 | const int *typenums; | |
3422 | { | |
3423 | debug_type *slot; | |
3424 | ||
3425 | if (typenums[0] == 0 && typenums[1] < 0) | |
3426 | { | |
3427 | /* A negative type number indicates an XCOFF builtin type. */ | |
3428 | return stab_xcoff_builtin_type (dhandle, info, typenums[1]); | |
3429 | } | |
3430 | ||
3431 | slot = stab_find_slot (info, typenums); | |
3432 | if (slot == NULL) | |
3433 | return DEBUG_TYPE_NULL; | |
3434 | ||
3435 | if (*slot == DEBUG_TYPE_NULL) | |
3436 | return debug_make_indirect_type (dhandle, slot, (const char *) NULL); | |
3437 | ||
3438 | return *slot; | |
3439 | } | |
3440 | ||
3441 | /* Record that a given type number refers to a given type. */ | |
3442 | ||
b34976b6 | 3443 | static bfd_boolean |
252b5132 | 3444 | stab_record_type (dhandle, info, typenums, type) |
b4c96d0d | 3445 | PTR dhandle ATTRIBUTE_UNUSED; |
252b5132 RH |
3446 | struct stab_handle *info; |
3447 | const int *typenums; | |
3448 | debug_type type; | |
3449 | { | |
3450 | debug_type *slot; | |
3451 | ||
3452 | slot = stab_find_slot (info, typenums); | |
3453 | if (slot == NULL) | |
b34976b6 | 3454 | return FALSE; |
252b5132 RH |
3455 | |
3456 | /* gdb appears to ignore type redefinitions, so we do as well. */ | |
3457 | ||
3458 | *slot = type; | |
3459 | ||
b34976b6 | 3460 | return TRUE; |
252b5132 RH |
3461 | } |
3462 | ||
3463 | /* Return an XCOFF builtin type. */ | |
3464 | ||
3465 | static debug_type | |
3466 | stab_xcoff_builtin_type (dhandle, info, typenum) | |
3467 | PTR dhandle; | |
3468 | struct stab_handle *info; | |
3469 | int typenum; | |
3470 | { | |
3471 | debug_type rettype; | |
3472 | const char *name; | |
3473 | ||
3474 | if (typenum >= 0 || typenum < -XCOFF_TYPE_COUNT) | |
3475 | { | |
3476 | fprintf (stderr, _("Unrecognized XCOFF type %d\n"), typenum); | |
3477 | return DEBUG_TYPE_NULL; | |
3478 | } | |
3479 | if (info->xcoff_types[-typenum] != NULL) | |
3480 | return info->xcoff_types[-typenum]; | |
3481 | ||
3482 | switch (-typenum) | |
3483 | { | |
3484 | case 1: | |
3485 | /* The size of this and all the other types are fixed, defined | |
3486 | by the debugging format. */ | |
3487 | name = "int"; | |
b34976b6 | 3488 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3489 | break; |
3490 | case 2: | |
3491 | name = "char"; | |
b34976b6 | 3492 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3493 | break; |
3494 | case 3: | |
3495 | name = "short"; | |
b34976b6 | 3496 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3497 | break; |
3498 | case 4: | |
3499 | name = "long"; | |
b34976b6 | 3500 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3501 | break; |
3502 | case 5: | |
3503 | name = "unsigned char"; | |
b34976b6 | 3504 | rettype = debug_make_int_type (dhandle, 1, TRUE); |
252b5132 RH |
3505 | break; |
3506 | case 6: | |
3507 | name = "signed char"; | |
b34976b6 | 3508 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3509 | break; |
3510 | case 7: | |
3511 | name = "unsigned short"; | |
b34976b6 | 3512 | rettype = debug_make_int_type (dhandle, 2, TRUE); |
252b5132 RH |
3513 | break; |
3514 | case 8: | |
3515 | name = "unsigned int"; | |
b34976b6 | 3516 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3517 | break; |
3518 | case 9: | |
3519 | name = "unsigned"; | |
b34976b6 | 3520 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3521 | case 10: |
3522 | name = "unsigned long"; | |
b34976b6 | 3523 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3524 | break; |
3525 | case 11: | |
3526 | name = "void"; | |
3527 | rettype = debug_make_void_type (dhandle); | |
3528 | break; | |
3529 | case 12: | |
3530 | /* IEEE single precision (32 bit). */ | |
3531 | name = "float"; | |
3532 | rettype = debug_make_float_type (dhandle, 4); | |
3533 | break; | |
3534 | case 13: | |
3535 | /* IEEE double precision (64 bit). */ | |
3536 | name = "double"; | |
3537 | rettype = debug_make_float_type (dhandle, 8); | |
3538 | break; | |
3539 | case 14: | |
3540 | /* This is an IEEE double on the RS/6000, and different machines | |
3541 | with different sizes for "long double" should use different | |
3542 | negative type numbers. See stabs.texinfo. */ | |
3543 | name = "long double"; | |
3544 | rettype = debug_make_float_type (dhandle, 8); | |
3545 | break; | |
3546 | case 15: | |
3547 | name = "integer"; | |
b34976b6 | 3548 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3549 | break; |
3550 | case 16: | |
3551 | name = "boolean"; | |
3552 | rettype = debug_make_bool_type (dhandle, 4); | |
3553 | break; | |
3554 | case 17: | |
3555 | name = "short real"; | |
3556 | rettype = debug_make_float_type (dhandle, 4); | |
3557 | break; | |
3558 | case 18: | |
3559 | name = "real"; | |
3560 | rettype = debug_make_float_type (dhandle, 8); | |
3561 | break; | |
3562 | case 19: | |
3563 | /* FIXME */ | |
3564 | name = "stringptr"; | |
3565 | rettype = NULL; | |
3566 | break; | |
3567 | case 20: | |
3568 | /* FIXME */ | |
3569 | name = "character"; | |
b34976b6 | 3570 | rettype = debug_make_int_type (dhandle, 1, TRUE); |
252b5132 RH |
3571 | break; |
3572 | case 21: | |
3573 | name = "logical*1"; | |
3574 | rettype = debug_make_bool_type (dhandle, 1); | |
3575 | break; | |
3576 | case 22: | |
3577 | name = "logical*2"; | |
3578 | rettype = debug_make_bool_type (dhandle, 2); | |
3579 | break; | |
3580 | case 23: | |
3581 | name = "logical*4"; | |
3582 | rettype = debug_make_bool_type (dhandle, 4); | |
3583 | break; | |
3584 | case 24: | |
3585 | name = "logical"; | |
3586 | rettype = debug_make_bool_type (dhandle, 4); | |
3587 | break; | |
3588 | case 25: | |
3589 | /* Complex type consisting of two IEEE single precision values. */ | |
3590 | name = "complex"; | |
3591 | rettype = debug_make_complex_type (dhandle, 8); | |
3592 | break; | |
3593 | case 26: | |
3594 | /* Complex type consisting of two IEEE double precision values. */ | |
3595 | name = "double complex"; | |
3596 | rettype = debug_make_complex_type (dhandle, 16); | |
3597 | break; | |
3598 | case 27: | |
3599 | name = "integer*1"; | |
b34976b6 | 3600 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3601 | break; |
3602 | case 28: | |
3603 | name = "integer*2"; | |
b34976b6 | 3604 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3605 | break; |
3606 | case 29: | |
3607 | name = "integer*4"; | |
b34976b6 | 3608 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3609 | break; |
3610 | case 30: | |
3611 | /* FIXME */ | |
3612 | name = "wchar"; | |
b34976b6 | 3613 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3614 | break; |
3615 | case 31: | |
3616 | name = "long long"; | |
b34976b6 | 3617 | rettype = debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
3618 | break; |
3619 | case 32: | |
3620 | name = "unsigned long long"; | |
b34976b6 | 3621 | rettype = debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
3622 | break; |
3623 | case 33: | |
3624 | name = "logical*8"; | |
3625 | rettype = debug_make_bool_type (dhandle, 8); | |
3626 | break; | |
3627 | case 34: | |
3628 | name = "integer*8"; | |
b34976b6 | 3629 | rettype = debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
3630 | break; |
3631 | default: | |
3632 | abort (); | |
3633 | } | |
3634 | ||
3635 | rettype = debug_name_type (dhandle, name, rettype); | |
3636 | ||
3637 | info->xcoff_types[-typenum] = rettype; | |
3638 | ||
3639 | return rettype; | |
3640 | } | |
3641 | ||
3642 | /* Find or create a tagged type. */ | |
3643 | ||
3644 | static debug_type | |
3645 | stab_find_tagged_type (dhandle, info, p, len, kind) | |
3646 | PTR dhandle; | |
3647 | struct stab_handle *info; | |
3648 | const char *p; | |
3649 | int len; | |
3650 | enum debug_type_kind kind; | |
3651 | { | |
3652 | char *name; | |
3653 | debug_type dtype; | |
3654 | struct stab_tag *st; | |
3655 | ||
3656 | name = savestring (p, len); | |
3657 | ||
3658 | /* We pass DEBUG_KIND_ILLEGAL because we want all tags in the same | |
3659 | namespace. This is right for C, and I don't know how to handle | |
3660 | other languages. FIXME. */ | |
3661 | dtype = debug_find_tagged_type (dhandle, name, DEBUG_KIND_ILLEGAL); | |
3662 | if (dtype != DEBUG_TYPE_NULL) | |
3663 | { | |
3664 | free (name); | |
3665 | return dtype; | |
3666 | } | |
3667 | ||
3668 | /* We need to allocate an entry on the undefined tag list. */ | |
3669 | for (st = info->tags; st != NULL; st = st->next) | |
3670 | { | |
3671 | if (st->name[0] == name[0] | |
3672 | && strcmp (st->name, name) == 0) | |
3673 | { | |
3674 | if (st->kind == DEBUG_KIND_ILLEGAL) | |
3675 | st->kind = kind; | |
3676 | free (name); | |
3677 | break; | |
3678 | } | |
3679 | } | |
3680 | if (st == NULL) | |
3681 | { | |
3682 | st = (struct stab_tag *) xmalloc (sizeof *st); | |
3683 | memset (st, 0, sizeof *st); | |
3684 | ||
3685 | st->next = info->tags; | |
3686 | st->name = name; | |
3687 | st->kind = kind; | |
3688 | st->slot = DEBUG_TYPE_NULL; | |
3689 | st->type = debug_make_indirect_type (dhandle, &st->slot, name); | |
3690 | info->tags = st; | |
3691 | } | |
3692 | ||
3693 | return st->type; | |
3694 | } | |
3695 | \f | |
3696 | /* In order to get the correct argument types for a stubbed method, we | |
3697 | need to extract the argument types from a C++ mangled string. | |
3698 | Since the argument types can refer back to the return type, this | |
3699 | means that we must demangle the entire physical name. In gdb this | |
3700 | is done by calling cplus_demangle and running the results back | |
3701 | through the C++ expression parser. Since we have no expression | |
3702 | parser, we must duplicate much of the work of cplus_demangle here. | |
3703 | ||
3704 | We assume that GNU style demangling is used, since this is only | |
3705 | done for method stubs, and only g++ should output that form of | |
3706 | debugging information. */ | |
3707 | ||
3708 | /* This structure is used to hold a pointer to type information which | |
3709 | demangling a string. */ | |
3710 | ||
3711 | struct stab_demangle_typestring | |
3712 | { | |
3713 | /* The start of the type. This is not null terminated. */ | |
3714 | const char *typestring; | |
3715 | /* The length of the type. */ | |
3716 | unsigned int len; | |
3717 | }; | |
3718 | ||
3719 | /* This structure is used to hold information while demangling a | |
3720 | string. */ | |
3721 | ||
3722 | struct stab_demangle_info | |
3723 | { | |
3724 | /* The debugging information handle. */ | |
3725 | PTR dhandle; | |
3726 | /* The stab information handle. */ | |
3727 | struct stab_handle *info; | |
3728 | /* The array of arguments we are building. */ | |
3729 | debug_type *args; | |
3730 | /* Whether the method takes a variable number of arguments. */ | |
b34976b6 | 3731 | bfd_boolean varargs; |
252b5132 RH |
3732 | /* The array of types we have remembered. */ |
3733 | struct stab_demangle_typestring *typestrings; | |
3734 | /* The number of typestrings. */ | |
3735 | unsigned int typestring_count; | |
3736 | /* The number of typestring slots we have allocated. */ | |
3737 | unsigned int typestring_alloc; | |
3738 | }; | |
3739 | ||
b34976b6 AM |
3740 | static void stab_bad_demangle |
3741 | PARAMS ((const char *)); | |
3742 | static unsigned int stab_demangle_count | |
3743 | PARAMS ((const char **)); | |
3744 | static bfd_boolean stab_demangle_get_count | |
252b5132 | 3745 | PARAMS ((const char **, unsigned int *)); |
b34976b6 | 3746 | static bfd_boolean stab_demangle_prefix |
4b73ca92 | 3747 | PARAMS ((struct stab_demangle_info *, const char **, unsigned int)); |
b34976b6 | 3748 | static bfd_boolean stab_demangle_function_name |
252b5132 | 3749 | PARAMS ((struct stab_demangle_info *, const char **, const char *)); |
b34976b6 | 3750 | static bfd_boolean stab_demangle_signature |
252b5132 | 3751 | PARAMS ((struct stab_demangle_info *, const char **)); |
b34976b6 | 3752 | static bfd_boolean stab_demangle_qualified |
252b5132 | 3753 | PARAMS ((struct stab_demangle_info *, const char **, debug_type *)); |
b34976b6 | 3754 | static bfd_boolean stab_demangle_template |
252b5132 | 3755 | PARAMS ((struct stab_demangle_info *, const char **, char **)); |
b34976b6 | 3756 | static bfd_boolean stab_demangle_class |
252b5132 | 3757 | PARAMS ((struct stab_demangle_info *, const char **, const char **)); |
b34976b6 | 3758 | static bfd_boolean stab_demangle_args |
252b5132 | 3759 | PARAMS ((struct stab_demangle_info *, const char **, debug_type **, |
b34976b6 AM |
3760 | bfd_boolean *)); |
3761 | static bfd_boolean stab_demangle_arg | |
252b5132 RH |
3762 | PARAMS ((struct stab_demangle_info *, const char **, debug_type **, |
3763 | unsigned int *, unsigned int *)); | |
b34976b6 | 3764 | static bfd_boolean stab_demangle_type |
252b5132 | 3765 | PARAMS ((struct stab_demangle_info *, const char **, debug_type *)); |
b34976b6 | 3766 | static bfd_boolean stab_demangle_fund_type |
252b5132 | 3767 | PARAMS ((struct stab_demangle_info *, const char **, debug_type *)); |
b34976b6 | 3768 | static bfd_boolean stab_demangle_remember_type |
252b5132 RH |
3769 | PARAMS ((struct stab_demangle_info *, const char *, int)); |
3770 | ||
3771 | /* Warn about a bad demangling. */ | |
3772 | ||
3773 | static void | |
3774 | stab_bad_demangle (s) | |
3775 | const char *s; | |
3776 | { | |
3777 | fprintf (stderr, _("bad mangled name `%s'\n"), s); | |
3778 | } | |
3779 | ||
3780 | /* Get a count from a stab string. */ | |
3781 | ||
3782 | static unsigned int | |
3783 | stab_demangle_count (pp) | |
3784 | const char **pp; | |
3785 | { | |
3786 | unsigned int count; | |
3787 | ||
3788 | count = 0; | |
3882b010 | 3789 | while (ISDIGIT (**pp)) |
252b5132 RH |
3790 | { |
3791 | count *= 10; | |
3792 | count += **pp - '0'; | |
3793 | ++*pp; | |
3794 | } | |
3795 | return count; | |
3796 | } | |
3797 | ||
3798 | /* Require a count in a string. The count may be multiple digits, in | |
3799 | which case it must end in an underscore. */ | |
3800 | ||
b34976b6 | 3801 | static bfd_boolean |
252b5132 RH |
3802 | stab_demangle_get_count (pp, pi) |
3803 | const char **pp; | |
3804 | unsigned int *pi; | |
3805 | { | |
3882b010 | 3806 | if (! ISDIGIT (**pp)) |
b34976b6 | 3807 | return FALSE; |
252b5132 RH |
3808 | |
3809 | *pi = **pp - '0'; | |
3810 | ++*pp; | |
3882b010 | 3811 | if (ISDIGIT (**pp)) |
252b5132 RH |
3812 | { |
3813 | unsigned int count; | |
3814 | const char *p; | |
3815 | ||
3816 | count = *pi; | |
3817 | p = *pp; | |
3818 | do | |
3819 | { | |
3820 | count *= 10; | |
3821 | count += *p - '0'; | |
3822 | ++p; | |
3823 | } | |
3882b010 | 3824 | while (ISDIGIT (*p)); |
252b5132 RH |
3825 | if (*p == '_') |
3826 | { | |
3827 | *pp = p + 1; | |
3828 | *pi = count; | |
3829 | } | |
3830 | } | |
3831 | ||
b34976b6 | 3832 | return TRUE; |
252b5132 RH |
3833 | } |
3834 | ||
3835 | /* This function demangles a physical name, returning a NULL | |
3836 | terminated array of argument types. */ | |
3837 | ||
3838 | static debug_type * | |
4b73ca92 | 3839 | stab_demangle_argtypes (dhandle, info, physname, pvarargs, physname_len) |
252b5132 RH |
3840 | PTR dhandle; |
3841 | struct stab_handle *info; | |
3842 | const char *physname; | |
b34976b6 | 3843 | bfd_boolean *pvarargs; |
4b73ca92 | 3844 | unsigned int physname_len; |
252b5132 RH |
3845 | { |
3846 | struct stab_demangle_info minfo; | |
3847 | ||
3848 | minfo.dhandle = dhandle; | |
3849 | minfo.info = info; | |
3850 | minfo.args = NULL; | |
b34976b6 | 3851 | minfo.varargs = FALSE; |
252b5132 RH |
3852 | minfo.typestring_alloc = 10; |
3853 | minfo.typestrings = ((struct stab_demangle_typestring *) | |
3854 | xmalloc (minfo.typestring_alloc | |
3855 | * sizeof *minfo.typestrings)); | |
3856 | minfo.typestring_count = 0; | |
3857 | ||
3858 | /* cplus_demangle checks for special GNU mangled forms, but we can't | |
3859 | see any of them in mangled method argument types. */ | |
3860 | ||
4b73ca92 | 3861 | if (! stab_demangle_prefix (&minfo, &physname, physname_len)) |
252b5132 RH |
3862 | goto error_return; |
3863 | ||
3864 | if (*physname != '\0') | |
3865 | { | |
3866 | if (! stab_demangle_signature (&minfo, &physname)) | |
3867 | goto error_return; | |
3868 | } | |
3869 | ||
3870 | free (minfo.typestrings); | |
3871 | minfo.typestrings = NULL; | |
3872 | ||
3873 | if (minfo.args == NULL) | |
3874 | fprintf (stderr, _("no argument types in mangled string\n")); | |
3875 | ||
3876 | *pvarargs = minfo.varargs; | |
3877 | return minfo.args; | |
3878 | ||
3879 | error_return: | |
3880 | if (minfo.typestrings != NULL) | |
3881 | free (minfo.typestrings); | |
3882 | return NULL; | |
3883 | } | |
3884 | ||
3885 | /* Demangle the prefix of the mangled name. */ | |
3886 | ||
b34976b6 | 3887 | static bfd_boolean |
4b73ca92 | 3888 | stab_demangle_prefix (minfo, pp, physname_len) |
252b5132 RH |
3889 | struct stab_demangle_info *minfo; |
3890 | const char **pp; | |
4b73ca92 | 3891 | unsigned int physname_len; |
252b5132 RH |
3892 | { |
3893 | const char *scan; | |
3894 | unsigned int i; | |
3895 | ||
3896 | /* cplus_demangle checks for global constructors and destructors, | |
3897 | but we can't see them in mangled argument types. */ | |
3898 | ||
4b73ca92 NC |
3899 | if (physname_len) |
3900 | scan = *pp + physname_len; | |
3901 | else | |
252b5132 | 3902 | { |
4b73ca92 NC |
3903 | /* Look for `__'. */ |
3904 | scan = *pp; | |
3905 | do | |
3906 | scan = strchr (scan, '_'); | |
3907 | while (scan != NULL && *++scan != '_'); | |
252b5132 | 3908 | |
4b73ca92 NC |
3909 | if (scan == NULL) |
3910 | { | |
3911 | stab_bad_demangle (*pp); | |
b34976b6 | 3912 | return FALSE; |
4b73ca92 | 3913 | } |
252b5132 | 3914 | |
4b73ca92 | 3915 | --scan; |
252b5132 | 3916 | |
4b73ca92 NC |
3917 | /* We found `__'; move ahead to the last contiguous `__' pair. */ |
3918 | i = strspn (scan, "_"); | |
3919 | if (i > 2) | |
3920 | scan += i - 2; | |
3921 | } | |
252b5132 RH |
3922 | |
3923 | if (scan == *pp | |
3882b010 | 3924 | && (ISDIGIT (scan[2]) |
252b5132 RH |
3925 | || scan[2] == 'Q' |
3926 | || scan[2] == 't')) | |
3927 | { | |
3928 | /* This is a GNU style constructor name. */ | |
3929 | *pp = scan + 2; | |
b34976b6 | 3930 | return TRUE; |
252b5132 RH |
3931 | } |
3932 | else if (scan == *pp | |
3882b010 | 3933 | && ! ISDIGIT (scan[2]) |
252b5132 RH |
3934 | && scan[2] != 't') |
3935 | { | |
3936 | /* Look for the `__' that separates the prefix from the | |
3937 | signature. */ | |
3938 | while (*scan == '_') | |
3939 | ++scan; | |
3940 | scan = strstr (scan, "__"); | |
3941 | if (scan == NULL || scan[2] == '\0') | |
3942 | { | |
3943 | stab_bad_demangle (*pp); | |
b34976b6 | 3944 | return FALSE; |
252b5132 RH |
3945 | } |
3946 | ||
3947 | return stab_demangle_function_name (minfo, pp, scan); | |
3948 | } | |
3949 | else if (scan[2] != '\0') | |
3950 | { | |
3951 | /* The name doesn't start with `__', but it does contain `__'. */ | |
3952 | return stab_demangle_function_name (minfo, pp, scan); | |
3953 | } | |
3954 | else | |
3955 | { | |
3956 | stab_bad_demangle (*pp); | |
b34976b6 | 3957 | return FALSE; |
252b5132 RH |
3958 | } |
3959 | /*NOTREACHED*/ | |
3960 | } | |
3961 | ||
3962 | /* Demangle a function name prefix. The scan argument points to the | |
3963 | double underscore which separates the function name from the | |
3964 | signature. */ | |
3965 | ||
b34976b6 | 3966 | static bfd_boolean |
252b5132 RH |
3967 | stab_demangle_function_name (minfo, pp, scan) |
3968 | struct stab_demangle_info *minfo; | |
3969 | const char **pp; | |
3970 | const char *scan; | |
3971 | { | |
3972 | const char *name; | |
3973 | ||
3974 | /* The string from *pp to scan is the name of the function. We | |
3975 | don't care about the name, since we just looking for argument | |
3976 | types. However, for conversion operators, the name may include a | |
3977 | type which we must remember in order to handle backreferences. */ | |
3978 | ||
3979 | name = *pp; | |
3980 | *pp = scan + 2; | |
3981 | ||
3982 | if (*pp - name >= 5 | |
3983 | && strncmp (name, "type", 4) == 0 | |
3984 | && (name[4] == '$' || name[4] == '.')) | |
3985 | { | |
3986 | const char *tem; | |
3987 | ||
3988 | /* This is a type conversion operator. */ | |
3989 | tem = name + 5; | |
3990 | if (! stab_demangle_type (minfo, &tem, (debug_type *) NULL)) | |
b34976b6 | 3991 | return FALSE; |
252b5132 RH |
3992 | } |
3993 | else if (name[0] == '_' | |
3994 | && name[1] == '_' | |
3995 | && name[2] == 'o' | |
3996 | && name[3] == 'p') | |
3997 | { | |
3998 | const char *tem; | |
3999 | ||
4000 | /* This is a type conversion operator. */ | |
4001 | tem = name + 4; | |
4002 | if (! stab_demangle_type (minfo, &tem, (debug_type *) NULL)) | |
b34976b6 | 4003 | return FALSE; |
252b5132 RH |
4004 | } |
4005 | ||
b34976b6 | 4006 | return TRUE; |
252b5132 RH |
4007 | } |
4008 | ||
4009 | /* Demangle the signature. This is where the argument types are | |
4010 | found. */ | |
4011 | ||
b34976b6 | 4012 | static bfd_boolean |
252b5132 RH |
4013 | stab_demangle_signature (minfo, pp) |
4014 | struct stab_demangle_info *minfo; | |
4015 | const char **pp; | |
4016 | { | |
4017 | const char *orig; | |
b34976b6 | 4018 | bfd_boolean expect_func, func_done; |
252b5132 RH |
4019 | const char *hold; |
4020 | ||
4021 | orig = *pp; | |
4022 | ||
b34976b6 AM |
4023 | expect_func = FALSE; |
4024 | func_done = FALSE; | |
252b5132 RH |
4025 | hold = NULL; |
4026 | ||
4027 | while (**pp != '\0') | |
4028 | { | |
4029 | switch (**pp) | |
4030 | { | |
4031 | case 'Q': | |
4032 | hold = *pp; | |
4033 | if (! stab_demangle_qualified (minfo, pp, (debug_type *) NULL) | |
4034 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 AM |
4035 | return FALSE; |
4036 | expect_func = TRUE; | |
252b5132 RH |
4037 | hold = NULL; |
4038 | break; | |
4039 | ||
4040 | case 'S': | |
4041 | /* Static member function. FIXME: Can this happen? */ | |
4042 | if (hold == NULL) | |
4043 | hold = *pp; | |
4044 | ++*pp; | |
4045 | break; | |
4046 | ||
4047 | case 'C': | |
4048 | /* Const member function. */ | |
4049 | if (hold == NULL) | |
4050 | hold = *pp; | |
4051 | ++*pp; | |
4052 | break; | |
4053 | ||
4054 | case '0': case '1': case '2': case '3': case '4': | |
4055 | case '5': case '6': case '7': case '8': case '9': | |
4056 | if (hold == NULL) | |
4057 | hold = *pp; | |
4058 | if (! stab_demangle_class (minfo, pp, (const char **) NULL) | |
4059 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 AM |
4060 | return FALSE; |
4061 | expect_func = TRUE; | |
252b5132 RH |
4062 | hold = NULL; |
4063 | break; | |
4064 | ||
4065 | case 'F': | |
4066 | /* Function. I don't know if this actually happens with g++ | |
4067 | output. */ | |
4068 | hold = NULL; | |
b34976b6 | 4069 | func_done = TRUE; |
252b5132 RH |
4070 | ++*pp; |
4071 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) | |
b34976b6 | 4072 | return FALSE; |
252b5132 RH |
4073 | break; |
4074 | ||
4075 | case 't': | |
4076 | /* Template. */ | |
4077 | if (hold == NULL) | |
4078 | hold = *pp; | |
4079 | if (! stab_demangle_template (minfo, pp, (char **) NULL) | |
4080 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 | 4081 | return FALSE; |
252b5132 | 4082 | hold = NULL; |
b34976b6 | 4083 | expect_func = TRUE; |
252b5132 RH |
4084 | break; |
4085 | ||
4086 | case '_': | |
4087 | /* At the outermost level, we cannot have a return type | |
4088 | specified, so if we run into another '_' at this point we | |
4089 | are dealing with a mangled name that is either bogus, or | |
4090 | has been mangled by some algorithm we don't know how to | |
4091 | deal with. So just reject the entire demangling. */ | |
4092 | stab_bad_demangle (orig); | |
b34976b6 | 4093 | return FALSE; |
252b5132 RH |
4094 | |
4095 | default: | |
4096 | /* Assume we have stumbled onto the first outermost function | |
4097 | argument token, and start processing args. */ | |
b34976b6 | 4098 | func_done = TRUE; |
252b5132 | 4099 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) |
b34976b6 | 4100 | return FALSE; |
252b5132 RH |
4101 | break; |
4102 | } | |
4103 | ||
4104 | if (expect_func) | |
4105 | { | |
b34976b6 | 4106 | func_done = TRUE; |
252b5132 | 4107 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) |
b34976b6 | 4108 | return FALSE; |
252b5132 RH |
4109 | } |
4110 | } | |
4111 | ||
4112 | if (! func_done) | |
4113 | { | |
4114 | /* With GNU style demangling, bar__3foo is 'foo::bar(void)', and | |
4115 | bar__3fooi is 'foo::bar(int)'. We get here when we find the | |
4116 | first case, and need to ensure that the '(void)' gets added | |
4117 | to the current declp. */ | |
4118 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) | |
b34976b6 | 4119 | return FALSE; |
252b5132 RH |
4120 | } |
4121 | ||
b34976b6 | 4122 | return TRUE; |
252b5132 RH |
4123 | } |
4124 | ||
4125 | /* Demangle a qualified name, such as "Q25Outer5Inner" which is the | |
4126 | mangled form of "Outer::Inner". */ | |
4127 | ||
b34976b6 | 4128 | static bfd_boolean |
252b5132 RH |
4129 | stab_demangle_qualified (minfo, pp, ptype) |
4130 | struct stab_demangle_info *minfo; | |
4131 | const char **pp; | |
4132 | debug_type *ptype; | |
4133 | { | |
4134 | const char *orig; | |
4135 | const char *p; | |
4136 | unsigned int qualifiers; | |
4137 | debug_type context; | |
4138 | ||
4139 | orig = *pp; | |
4140 | ||
4141 | switch ((*pp)[1]) | |
4142 | { | |
4143 | case '_': | |
4144 | /* GNU mangled name with more than 9 classes. The count is | |
4145 | preceded by an underscore (to distinguish it from the <= 9 | |
4146 | case) and followed by an underscore. */ | |
4147 | p = *pp + 2; | |
3882b010 | 4148 | if (! ISDIGIT (*p) || *p == '0') |
252b5132 RH |
4149 | { |
4150 | stab_bad_demangle (orig); | |
b34976b6 | 4151 | return FALSE; |
252b5132 RH |
4152 | } |
4153 | qualifiers = atoi (p); | |
3882b010 | 4154 | while (ISDIGIT (*p)) |
252b5132 RH |
4155 | ++p; |
4156 | if (*p != '_') | |
4157 | { | |
4158 | stab_bad_demangle (orig); | |
b34976b6 | 4159 | return FALSE; |
252b5132 RH |
4160 | } |
4161 | *pp = p + 1; | |
4162 | break; | |
4163 | ||
4164 | case '1': case '2': case '3': case '4': case '5': | |
4165 | case '6': case '7': case '8': case '9': | |
4166 | qualifiers = (*pp)[1] - '0'; | |
4167 | /* Skip an optional underscore after the count. */ | |
4168 | if ((*pp)[2] == '_') | |
4169 | ++*pp; | |
4170 | *pp += 2; | |
4171 | break; | |
4172 | ||
4173 | case '0': | |
4174 | default: | |
4175 | stab_bad_demangle (orig); | |
b34976b6 | 4176 | return FALSE; |
252b5132 RH |
4177 | } |
4178 | ||
4179 | context = DEBUG_TYPE_NULL; | |
4180 | ||
4181 | /* Pick off the names. */ | |
4182 | while (qualifiers-- > 0) | |
4183 | { | |
4184 | if (**pp == '_') | |
4185 | ++*pp; | |
4186 | if (**pp == 't') | |
4187 | { | |
4188 | char *name; | |
4189 | ||
4190 | if (! stab_demangle_template (minfo, pp, | |
4191 | ptype != NULL ? &name : NULL)) | |
b34976b6 | 4192 | return FALSE; |
252b5132 RH |
4193 | |
4194 | if (ptype != NULL) | |
4195 | { | |
4196 | context = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
4197 | name, strlen (name), | |
4198 | DEBUG_KIND_CLASS); | |
4199 | free (name); | |
4200 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 4201 | return FALSE; |
252b5132 RH |
4202 | } |
4203 | } | |
4204 | else | |
4205 | { | |
4206 | unsigned int len; | |
4207 | ||
4208 | len = stab_demangle_count (pp); | |
4209 | if (strlen (*pp) < len) | |
4210 | { | |
4211 | stab_bad_demangle (orig); | |
b34976b6 | 4212 | return FALSE; |
252b5132 RH |
4213 | } |
4214 | ||
4215 | if (ptype != NULL) | |
4216 | { | |
4217 | const debug_field *fields; | |
4218 | ||
4219 | fields = NULL; | |
4220 | if (context != DEBUG_TYPE_NULL) | |
4221 | fields = debug_get_fields (minfo->dhandle, context); | |
4222 | ||
4223 | context = DEBUG_TYPE_NULL; | |
4224 | ||
4225 | if (fields != NULL) | |
4226 | { | |
4227 | char *name; | |
4228 | ||
4229 | /* Try to find the type by looking through the | |
4230 | fields of context until we find a field with the | |
4231 | same type. This ought to work for a class | |
4232 | defined within a class, but it won't work for, | |
4233 | e.g., an enum defined within a class. stabs does | |
4234 | not give us enough information to figure out the | |
4235 | latter case. */ | |
4236 | ||
4237 | name = savestring (*pp, len); | |
4238 | ||
4239 | for (; *fields != DEBUG_FIELD_NULL; fields++) | |
4240 | { | |
4241 | debug_type ft; | |
4242 | const char *dn; | |
4243 | ||
4244 | ft = debug_get_field_type (minfo->dhandle, *fields); | |
4245 | if (ft == NULL) | |
b34976b6 | 4246 | return FALSE; |
252b5132 RH |
4247 | dn = debug_get_type_name (minfo->dhandle, ft); |
4248 | if (dn != NULL && strcmp (dn, name) == 0) | |
4249 | { | |
4250 | context = ft; | |
4251 | break; | |
4252 | } | |
4253 | } | |
4254 | ||
4255 | free (name); | |
4256 | } | |
4257 | ||
4258 | if (context == DEBUG_TYPE_NULL) | |
4259 | { | |
4260 | /* We have to fall back on finding the type by name. | |
4261 | If there are more types to come, then this must | |
4262 | be a class. Otherwise, it could be anything. */ | |
4263 | ||
4264 | if (qualifiers == 0) | |
4265 | { | |
4266 | char *name; | |
4267 | ||
4268 | name = savestring (*pp, len); | |
4269 | context = debug_find_named_type (minfo->dhandle, | |
4270 | name); | |
4271 | free (name); | |
4272 | } | |
4273 | ||
4274 | if (context == DEBUG_TYPE_NULL) | |
4275 | { | |
4276 | context = stab_find_tagged_type (minfo->dhandle, | |
4277 | minfo->info, | |
4278 | *pp, len, | |
4279 | (qualifiers == 0 | |
4280 | ? DEBUG_KIND_ILLEGAL | |
4281 | : DEBUG_KIND_CLASS)); | |
4282 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 4283 | return FALSE; |
252b5132 RH |
4284 | } |
4285 | } | |
4286 | } | |
4287 | ||
4288 | *pp += len; | |
4289 | } | |
4290 | } | |
4291 | ||
4292 | if (ptype != NULL) | |
4293 | *ptype = context; | |
4294 | ||
b34976b6 | 4295 | return TRUE; |
252b5132 RH |
4296 | } |
4297 | ||
4298 | /* Demangle a template. If PNAME is not NULL, this sets *PNAME to a | |
4299 | string representation of the template. */ | |
4300 | ||
b34976b6 | 4301 | static bfd_boolean |
252b5132 RH |
4302 | stab_demangle_template (minfo, pp, pname) |
4303 | struct stab_demangle_info *minfo; | |
4304 | const char **pp; | |
4305 | char **pname; | |
4306 | { | |
4307 | const char *orig; | |
4308 | unsigned int r, i; | |
4309 | ||
4310 | orig = *pp; | |
4311 | ||
4312 | ++*pp; | |
4313 | ||
4314 | /* Skip the template name. */ | |
4315 | r = stab_demangle_count (pp); | |
4316 | if (r == 0 || strlen (*pp) < r) | |
4317 | { | |
4318 | stab_bad_demangle (orig); | |
b34976b6 | 4319 | return FALSE; |
252b5132 RH |
4320 | } |
4321 | *pp += r; | |
4322 | ||
4323 | /* Get the size of the parameter list. */ | |
4324 | if (stab_demangle_get_count (pp, &r) == 0) | |
4325 | { | |
4326 | stab_bad_demangle (orig); | |
b34976b6 | 4327 | return FALSE; |
252b5132 RH |
4328 | } |
4329 | ||
4330 | for (i = 0; i < r; i++) | |
4331 | { | |
4332 | if (**pp == 'Z') | |
4333 | { | |
4334 | /* This is a type parameter. */ | |
4335 | ++*pp; | |
4336 | if (! stab_demangle_type (minfo, pp, (debug_type *) NULL)) | |
b34976b6 | 4337 | return FALSE; |
252b5132 RH |
4338 | } |
4339 | else | |
4340 | { | |
4341 | const char *old_p; | |
b34976b6 AM |
4342 | bfd_boolean pointerp, realp, integralp, charp, boolp; |
4343 | bfd_boolean done; | |
252b5132 RH |
4344 | |
4345 | old_p = *pp; | |
b34976b6 AM |
4346 | pointerp = FALSE; |
4347 | realp = FALSE; | |
4348 | integralp = FALSE; | |
4349 | charp = FALSE; | |
4350 | boolp = FALSE; | |
4351 | done = FALSE; | |
252b5132 RH |
4352 | |
4353 | /* This is a value parameter. */ | |
4354 | ||
4355 | if (! stab_demangle_type (minfo, pp, (debug_type *) NULL)) | |
b34976b6 | 4356 | return FALSE; |
252b5132 RH |
4357 | |
4358 | while (*old_p != '\0' && ! done) | |
4359 | { | |
4360 | switch (*old_p) | |
4361 | { | |
4362 | case 'P': | |
4363 | case 'p': | |
4364 | case 'R': | |
b34976b6 AM |
4365 | pointerp = TRUE; |
4366 | done = TRUE; | |
252b5132 RH |
4367 | break; |
4368 | case 'C': /* Const. */ | |
4369 | case 'S': /* Signed. */ | |
4370 | case 'U': /* Unsigned. */ | |
4371 | case 'V': /* Volatile. */ | |
4372 | case 'F': /* Function. */ | |
4373 | case 'M': /* Member function. */ | |
4374 | case 'O': /* ??? */ | |
4375 | ++old_p; | |
4376 | break; | |
4377 | case 'Q': /* Qualified name. */ | |
b34976b6 AM |
4378 | integralp = TRUE; |
4379 | done = TRUE; | |
252b5132 RH |
4380 | break; |
4381 | case 'T': /* Remembered type. */ | |
4382 | abort (); | |
4383 | case 'v': /* Void. */ | |
4384 | abort (); | |
4385 | case 'x': /* Long long. */ | |
4386 | case 'l': /* Long. */ | |
4387 | case 'i': /* Int. */ | |
4388 | case 's': /* Short. */ | |
4389 | case 'w': /* Wchar_t. */ | |
b34976b6 AM |
4390 | integralp = TRUE; |
4391 | done = TRUE; | |
252b5132 RH |
4392 | break; |
4393 | case 'b': /* Bool. */ | |
b34976b6 AM |
4394 | boolp = TRUE; |
4395 | done = TRUE; | |
252b5132 RH |
4396 | break; |
4397 | case 'c': /* Char. */ | |
b34976b6 AM |
4398 | charp = TRUE; |
4399 | done = TRUE; | |
252b5132 RH |
4400 | break; |
4401 | case 'r': /* Long double. */ | |
4402 | case 'd': /* Double. */ | |
4403 | case 'f': /* Float. */ | |
b34976b6 AM |
4404 | realp = TRUE; |
4405 | done = TRUE; | |
252b5132 RH |
4406 | break; |
4407 | default: | |
4408 | /* Assume it's a user defined integral type. */ | |
b34976b6 AM |
4409 | integralp = TRUE; |
4410 | done = TRUE; | |
252b5132 RH |
4411 | break; |
4412 | } | |
4413 | } | |
4414 | ||
4415 | if (integralp) | |
4416 | { | |
4417 | if (**pp == 'm') | |
4418 | ++*pp; | |
3882b010 | 4419 | while (ISDIGIT (**pp)) |
252b5132 RH |
4420 | ++*pp; |
4421 | } | |
4422 | else if (charp) | |
4423 | { | |
4424 | unsigned int val; | |
4425 | ||
4426 | if (**pp == 'm') | |
4427 | ++*pp; | |
4428 | val = stab_demangle_count (pp); | |
4429 | if (val == 0) | |
4430 | { | |
4431 | stab_bad_demangle (orig); | |
b34976b6 | 4432 | return FALSE; |
252b5132 RH |
4433 | } |
4434 | } | |
4435 | else if (boolp) | |
4436 | { | |
4437 | unsigned int val; | |
4438 | ||
4439 | val = stab_demangle_count (pp); | |
4440 | if (val != 0 && val != 1) | |
4441 | { | |
4442 | stab_bad_demangle (orig); | |
b34976b6 | 4443 | return FALSE; |
252b5132 RH |
4444 | } |
4445 | } | |
4446 | else if (realp) | |
4447 | { | |
4448 | if (**pp == 'm') | |
4449 | ++*pp; | |
3882b010 | 4450 | while (ISDIGIT (**pp)) |
252b5132 RH |
4451 | ++*pp; |
4452 | if (**pp == '.') | |
4453 | { | |
4454 | ++*pp; | |
3882b010 | 4455 | while (ISDIGIT (**pp)) |
252b5132 RH |
4456 | ++*pp; |
4457 | } | |
4458 | if (**pp == 'e') | |
4459 | { | |
4460 | ++*pp; | |
3882b010 | 4461 | while (ISDIGIT (**pp)) |
252b5132 RH |
4462 | ++*pp; |
4463 | } | |
4464 | } | |
4465 | else if (pointerp) | |
4466 | { | |
4467 | unsigned int len; | |
4468 | ||
4469 | if (! stab_demangle_get_count (pp, &len)) | |
4470 | { | |
4471 | stab_bad_demangle (orig); | |
b34976b6 | 4472 | return FALSE; |
252b5132 RH |
4473 | } |
4474 | *pp += len; | |
4475 | } | |
4476 | } | |
4477 | } | |
4478 | ||
4479 | /* We can translate this to a string fairly easily by invoking the | |
4480 | regular demangling routine. */ | |
4481 | if (pname != NULL) | |
4482 | { | |
d81d6584 | 4483 | char *s1, *s2, *s3, *s4 = NULL; |
252b5132 RH |
4484 | char *from, *to; |
4485 | ||
4486 | s1 = savestring (orig, *pp - orig); | |
4487 | ||
4488 | s2 = concat ("NoSuchStrinG__", s1, (const char *) NULL); | |
4489 | ||
4490 | free (s1); | |
4491 | ||
4492 | s3 = cplus_demangle (s2, DMGL_ANSI); | |
4493 | ||
4494 | free (s2); | |
4495 | ||
4496 | if (s3 != NULL) | |
4497 | s4 = strstr (s3, "::NoSuchStrinG"); | |
4498 | if (s3 == NULL || s4 == NULL) | |
4499 | { | |
4500 | stab_bad_demangle (orig); | |
4501 | if (s3 != NULL) | |
4502 | free (s3); | |
b34976b6 | 4503 | return FALSE; |
252b5132 RH |
4504 | } |
4505 | ||
4506 | /* Eliminating all spaces, except those between > characters, | |
4507 | makes it more likely that the demangled name will match the | |
4508 | name which g++ used as the structure name. */ | |
4509 | for (from = to = s3; from != s4; ++from) | |
4510 | if (*from != ' ' | |
4511 | || (from[1] == '>' && from > s3 && from[-1] == '>')) | |
4512 | *to++ = *from; | |
4513 | ||
4514 | *pname = savestring (s3, to - s3); | |
4515 | ||
4516 | free (s3); | |
4517 | } | |
4518 | ||
b34976b6 | 4519 | return TRUE; |
252b5132 RH |
4520 | } |
4521 | ||
4522 | /* Demangle a class name. */ | |
4523 | ||
b34976b6 | 4524 | static bfd_boolean |
252b5132 | 4525 | stab_demangle_class (minfo, pp, pstart) |
b4c96d0d | 4526 | struct stab_demangle_info *minfo ATTRIBUTE_UNUSED; |
252b5132 RH |
4527 | const char **pp; |
4528 | const char **pstart; | |
4529 | { | |
4530 | const char *orig; | |
4531 | unsigned int n; | |
4532 | ||
4533 | orig = *pp; | |
4534 | ||
4535 | n = stab_demangle_count (pp); | |
4536 | if (strlen (*pp) < n) | |
4537 | { | |
4538 | stab_bad_demangle (orig); | |
b34976b6 | 4539 | return FALSE; |
252b5132 RH |
4540 | } |
4541 | ||
4542 | if (pstart != NULL) | |
4543 | *pstart = *pp; | |
4544 | ||
4545 | *pp += n; | |
4546 | ||
b34976b6 | 4547 | return TRUE; |
252b5132 RH |
4548 | } |
4549 | ||
4550 | /* Demangle function arguments. If the pargs argument is not NULL, it | |
4551 | is set to a NULL terminated array holding the arguments. */ | |
4552 | ||
b34976b6 | 4553 | static bfd_boolean |
252b5132 RH |
4554 | stab_demangle_args (minfo, pp, pargs, pvarargs) |
4555 | struct stab_demangle_info *minfo; | |
4556 | const char **pp; | |
4557 | debug_type **pargs; | |
b34976b6 | 4558 | bfd_boolean *pvarargs; |
252b5132 RH |
4559 | { |
4560 | const char *orig; | |
4561 | unsigned int alloc, count; | |
4562 | ||
4563 | orig = *pp; | |
4564 | ||
4565 | alloc = 10; | |
4566 | if (pargs != NULL) | |
4567 | { | |
4568 | *pargs = (debug_type *) xmalloc (alloc * sizeof **pargs); | |
b34976b6 | 4569 | *pvarargs = FALSE; |
252b5132 RH |
4570 | } |
4571 | count = 0; | |
4572 | ||
4573 | while (**pp != '_' && **pp != '\0' && **pp != 'e') | |
4574 | { | |
4575 | if (**pp == 'N' || **pp == 'T') | |
4576 | { | |
4577 | char temptype; | |
4578 | unsigned int r, t; | |
4579 | ||
4580 | temptype = **pp; | |
4581 | ++*pp; | |
4582 | ||
4583 | if (temptype == 'T') | |
4584 | r = 1; | |
4585 | else | |
4586 | { | |
4587 | if (! stab_demangle_get_count (pp, &r)) | |
4588 | { | |
4589 | stab_bad_demangle (orig); | |
b34976b6 | 4590 | return FALSE; |
252b5132 RH |
4591 | } |
4592 | } | |
4593 | ||
4594 | if (! stab_demangle_get_count (pp, &t)) | |
4595 | { | |
4596 | stab_bad_demangle (orig); | |
b34976b6 | 4597 | return FALSE; |
252b5132 RH |
4598 | } |
4599 | ||
4600 | if (t >= minfo->typestring_count) | |
4601 | { | |
4602 | stab_bad_demangle (orig); | |
b34976b6 | 4603 | return FALSE; |
252b5132 RH |
4604 | } |
4605 | while (r-- > 0) | |
4606 | { | |
4607 | const char *tem; | |
4608 | ||
4609 | tem = minfo->typestrings[t].typestring; | |
4610 | if (! stab_demangle_arg (minfo, &tem, pargs, &count, &alloc)) | |
b34976b6 | 4611 | return FALSE; |
252b5132 RH |
4612 | } |
4613 | } | |
4614 | else | |
4615 | { | |
4616 | if (! stab_demangle_arg (minfo, pp, pargs, &count, &alloc)) | |
b34976b6 | 4617 | return FALSE; |
252b5132 RH |
4618 | } |
4619 | } | |
4620 | ||
4621 | if (pargs != NULL) | |
4622 | (*pargs)[count] = DEBUG_TYPE_NULL; | |
4623 | ||
4624 | if (**pp == 'e') | |
4625 | { | |
4626 | if (pargs != NULL) | |
b34976b6 | 4627 | *pvarargs = TRUE; |
252b5132 RH |
4628 | ++*pp; |
4629 | } | |
4630 | ||
b34976b6 | 4631 | return TRUE; |
252b5132 RH |
4632 | } |
4633 | ||
4634 | /* Demangle a single argument. */ | |
4635 | ||
b34976b6 | 4636 | static bfd_boolean |
252b5132 RH |
4637 | stab_demangle_arg (minfo, pp, pargs, pcount, palloc) |
4638 | struct stab_demangle_info *minfo; | |
4639 | const char **pp; | |
4640 | debug_type **pargs; | |
4641 | unsigned int *pcount; | |
4642 | unsigned int *palloc; | |
4643 | { | |
4644 | const char *start; | |
4645 | debug_type type; | |
4646 | ||
4647 | start = *pp; | |
4648 | if (! stab_demangle_type (minfo, pp, | |
4649 | pargs == NULL ? (debug_type *) NULL : &type) | |
4650 | || ! stab_demangle_remember_type (minfo, start, *pp - start)) | |
b34976b6 | 4651 | return FALSE; |
252b5132 RH |
4652 | |
4653 | if (pargs != NULL) | |
4654 | { | |
4655 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 4656 | return FALSE; |
252b5132 RH |
4657 | |
4658 | if (*pcount + 1 >= *palloc) | |
4659 | { | |
4660 | *palloc += 10; | |
4661 | *pargs = ((debug_type *) | |
4662 | xrealloc (*pargs, *palloc * sizeof **pargs)); | |
4663 | } | |
4664 | (*pargs)[*pcount] = type; | |
4665 | ++*pcount; | |
4666 | } | |
4667 | ||
b34976b6 | 4668 | return TRUE; |
252b5132 RH |
4669 | } |
4670 | ||
4671 | /* Demangle a type. If the ptype argument is not NULL, *ptype is set | |
4672 | to the newly allocated type. */ | |
4673 | ||
b34976b6 | 4674 | static bfd_boolean |
252b5132 RH |
4675 | stab_demangle_type (minfo, pp, ptype) |
4676 | struct stab_demangle_info *minfo; | |
4677 | const char **pp; | |
4678 | debug_type *ptype; | |
4679 | { | |
4680 | const char *orig; | |
4681 | ||
4682 | orig = *pp; | |
4683 | ||
4684 | switch (**pp) | |
4685 | { | |
4686 | case 'P': | |
4687 | case 'p': | |
4688 | /* A pointer type. */ | |
4689 | ++*pp; | |
4690 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4691 | return FALSE; |
252b5132 RH |
4692 | if (ptype != NULL) |
4693 | *ptype = debug_make_pointer_type (minfo->dhandle, *ptype); | |
4694 | break; | |
4695 | ||
4696 | case 'R': | |
4697 | /* A reference type. */ | |
4698 | ++*pp; | |
4699 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4700 | return FALSE; |
252b5132 RH |
4701 | if (ptype != NULL) |
4702 | *ptype = debug_make_reference_type (minfo->dhandle, *ptype); | |
4703 | break; | |
4704 | ||
4705 | case 'A': | |
4706 | /* An array. */ | |
4707 | { | |
4708 | unsigned long high; | |
4709 | ||
4710 | ++*pp; | |
4711 | high = 0; | |
4712 | while (**pp != '\0' && **pp != '_') | |
4713 | { | |
3882b010 | 4714 | if (! ISDIGIT (**pp)) |
252b5132 RH |
4715 | { |
4716 | stab_bad_demangle (orig); | |
b34976b6 | 4717 | return FALSE; |
252b5132 RH |
4718 | } |
4719 | high *= 10; | |
4720 | high += **pp - '0'; | |
4721 | ++*pp; | |
4722 | } | |
4723 | if (**pp != '_') | |
4724 | { | |
4725 | stab_bad_demangle (orig); | |
b34976b6 | 4726 | return FALSE; |
252b5132 RH |
4727 | } |
4728 | ++*pp; | |
4729 | ||
4730 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4731 | return FALSE; |
252b5132 RH |
4732 | if (ptype != NULL) |
4733 | { | |
4734 | debug_type int_type; | |
4735 | ||
4736 | int_type = debug_find_named_type (minfo->dhandle, "int"); | |
4737 | if (int_type == NULL) | |
b34976b6 | 4738 | int_type = debug_make_int_type (minfo->dhandle, 4, FALSE); |
252b5132 | 4739 | *ptype = debug_make_array_type (minfo->dhandle, *ptype, int_type, |
b34976b6 | 4740 | 0, high, FALSE); |
252b5132 RH |
4741 | } |
4742 | } | |
4743 | break; | |
4744 | ||
4745 | case 'T': | |
4746 | /* A back reference to a remembered type. */ | |
4747 | { | |
4748 | unsigned int i; | |
4749 | const char *p; | |
4750 | ||
4751 | ++*pp; | |
4752 | if (! stab_demangle_get_count (pp, &i)) | |
4753 | { | |
4754 | stab_bad_demangle (orig); | |
b34976b6 | 4755 | return FALSE; |
252b5132 RH |
4756 | } |
4757 | if (i >= minfo->typestring_count) | |
4758 | { | |
4759 | stab_bad_demangle (orig); | |
b34976b6 | 4760 | return FALSE; |
252b5132 RH |
4761 | } |
4762 | p = minfo->typestrings[i].typestring; | |
4763 | if (! stab_demangle_type (minfo, &p, ptype)) | |
b34976b6 | 4764 | return FALSE; |
252b5132 RH |
4765 | } |
4766 | break; | |
4767 | ||
4768 | case 'F': | |
4769 | /* A function. */ | |
4770 | { | |
4771 | debug_type *args; | |
b34976b6 | 4772 | bfd_boolean varargs; |
252b5132 RH |
4773 | |
4774 | ++*pp; | |
4775 | if (! stab_demangle_args (minfo, pp, | |
4776 | (ptype == NULL | |
4777 | ? (debug_type **) NULL | |
4778 | : &args), | |
4779 | (ptype == NULL | |
b34976b6 | 4780 | ? (bfd_boolean *) NULL |
252b5132 | 4781 | : &varargs))) |
b34976b6 | 4782 | return FALSE; |
252b5132 RH |
4783 | if (**pp != '_') |
4784 | { | |
4785 | /* cplus_demangle will accept a function without a return | |
4786 | type, but I don't know when that will happen, or what | |
4787 | to do if it does. */ | |
4788 | stab_bad_demangle (orig); | |
b34976b6 | 4789 | return FALSE; |
252b5132 RH |
4790 | } |
4791 | ++*pp; | |
4792 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4793 | return FALSE; |
252b5132 RH |
4794 | if (ptype != NULL) |
4795 | *ptype = debug_make_function_type (minfo->dhandle, *ptype, args, | |
4796 | varargs); | |
4797 | ||
4798 | } | |
4799 | break; | |
4800 | ||
4801 | case 'M': | |
4802 | case 'O': | |
4803 | { | |
b34976b6 | 4804 | bfd_boolean memberp, constp, volatilep; |
c602a165 | 4805 | debug_type class_type = DEBUG_TYPE_NULL; |
252b5132 | 4806 | debug_type *args; |
b34976b6 | 4807 | bfd_boolean varargs; |
252b5132 RH |
4808 | unsigned int n; |
4809 | const char *name; | |
4810 | ||
4811 | memberp = **pp == 'M'; | |
b34976b6 AM |
4812 | constp = FALSE; |
4813 | volatilep = FALSE; | |
252b5132 | 4814 | args = NULL; |
b34976b6 | 4815 | varargs = FALSE; |
252b5132 RH |
4816 | |
4817 | ++*pp; | |
3882b010 | 4818 | if (ISDIGIT (**pp)) |
252b5132 | 4819 | { |
c602a165 ILT |
4820 | n = stab_demangle_count (pp); |
4821 | if (strlen (*pp) < n) | |
4822 | { | |
4823 | stab_bad_demangle (orig); | |
b34976b6 | 4824 | return FALSE; |
c602a165 ILT |
4825 | } |
4826 | name = *pp; | |
4827 | *pp += n; | |
4828 | ||
4829 | if (ptype != NULL) | |
4830 | { | |
4831 | class_type = stab_find_tagged_type (minfo->dhandle, | |
4832 | minfo->info, | |
4833 | name, (int) n, | |
4834 | DEBUG_KIND_CLASS); | |
4835 | if (class_type == DEBUG_TYPE_NULL) | |
b34976b6 | 4836 | return FALSE; |
c602a165 | 4837 | } |
252b5132 | 4838 | } |
c602a165 ILT |
4839 | else if (**pp == 'Q') |
4840 | { | |
4841 | if (! stab_demangle_qualified (minfo, pp, | |
4842 | (ptype == NULL | |
4843 | ? (debug_type *) NULL | |
4844 | : &class_type))) | |
b34976b6 | 4845 | return FALSE; |
c602a165 ILT |
4846 | } |
4847 | else | |
252b5132 RH |
4848 | { |
4849 | stab_bad_demangle (orig); | |
b34976b6 | 4850 | return FALSE; |
252b5132 | 4851 | } |
252b5132 RH |
4852 | |
4853 | if (memberp) | |
4854 | { | |
4855 | if (**pp == 'C') | |
4856 | { | |
b34976b6 | 4857 | constp = TRUE; |
252b5132 RH |
4858 | ++*pp; |
4859 | } | |
4860 | else if (**pp == 'V') | |
4861 | { | |
b34976b6 | 4862 | volatilep = TRUE; |
252b5132 RH |
4863 | ++*pp; |
4864 | } | |
4865 | if (**pp != 'F') | |
4866 | { | |
4867 | stab_bad_demangle (orig); | |
b34976b6 | 4868 | return FALSE; |
252b5132 RH |
4869 | } |
4870 | ++*pp; | |
4871 | if (! stab_demangle_args (minfo, pp, | |
4872 | (ptype == NULL | |
4873 | ? (debug_type **) NULL | |
4874 | : &args), | |
4875 | (ptype == NULL | |
b34976b6 | 4876 | ? (bfd_boolean *) NULL |
252b5132 | 4877 | : &varargs))) |
b34976b6 | 4878 | return FALSE; |
252b5132 RH |
4879 | } |
4880 | ||
4881 | if (**pp != '_') | |
4882 | { | |
4883 | stab_bad_demangle (orig); | |
b34976b6 | 4884 | return FALSE; |
252b5132 RH |
4885 | } |
4886 | ++*pp; | |
4887 | ||
4888 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4889 | return FALSE; |
252b5132 RH |
4890 | |
4891 | if (ptype != NULL) | |
4892 | { | |
252b5132 RH |
4893 | if (! memberp) |
4894 | *ptype = debug_make_offset_type (minfo->dhandle, class_type, | |
4895 | *ptype); | |
4896 | else | |
4897 | { | |
4898 | /* FIXME: We have no way to record constp or | |
4899 | volatilep. */ | |
4900 | *ptype = debug_make_method_type (minfo->dhandle, *ptype, | |
4901 | class_type, args, varargs); | |
4902 | } | |
4903 | } | |
4904 | } | |
4905 | break; | |
4906 | ||
4907 | case 'G': | |
4908 | ++*pp; | |
4909 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4910 | return FALSE; |
252b5132 RH |
4911 | break; |
4912 | ||
4913 | case 'C': | |
4914 | ++*pp; | |
4915 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4916 | return FALSE; |
252b5132 RH |
4917 | if (ptype != NULL) |
4918 | *ptype = debug_make_const_type (minfo->dhandle, *ptype); | |
4919 | break; | |
4920 | ||
4921 | case 'Q': | |
4922 | { | |
4923 | const char *hold; | |
4924 | ||
4925 | hold = *pp; | |
4926 | if (! stab_demangle_qualified (minfo, pp, ptype)) | |
b34976b6 | 4927 | return FALSE; |
252b5132 RH |
4928 | } |
4929 | break; | |
4930 | ||
4931 | default: | |
4932 | if (! stab_demangle_fund_type (minfo, pp, ptype)) | |
b34976b6 | 4933 | return FALSE; |
252b5132 RH |
4934 | break; |
4935 | } | |
4936 | ||
b34976b6 | 4937 | return TRUE; |
252b5132 RH |
4938 | } |
4939 | ||
4940 | /* Demangle a fundamental type. If the ptype argument is not NULL, | |
4941 | *ptype is set to the newly allocated type. */ | |
4942 | ||
b34976b6 | 4943 | static bfd_boolean |
252b5132 RH |
4944 | stab_demangle_fund_type (minfo, pp, ptype) |
4945 | struct stab_demangle_info *minfo; | |
4946 | const char **pp; | |
4947 | debug_type *ptype; | |
4948 | { | |
4949 | const char *orig; | |
b34976b6 AM |
4950 | bfd_boolean constp, volatilep, unsignedp, signedp; |
4951 | bfd_boolean done; | |
252b5132 RH |
4952 | |
4953 | orig = *pp; | |
4954 | ||
b34976b6 AM |
4955 | constp = FALSE; |
4956 | volatilep = FALSE; | |
4957 | unsignedp = FALSE; | |
4958 | signedp = FALSE; | |
252b5132 | 4959 | |
b34976b6 | 4960 | done = FALSE; |
252b5132 RH |
4961 | while (! done) |
4962 | { | |
4963 | switch (**pp) | |
4964 | { | |
4965 | case 'C': | |
b34976b6 | 4966 | constp = TRUE; |
252b5132 RH |
4967 | ++*pp; |
4968 | break; | |
4969 | ||
4970 | case 'U': | |
b34976b6 | 4971 | unsignedp = TRUE; |
252b5132 RH |
4972 | ++*pp; |
4973 | break; | |
4974 | ||
4975 | case 'S': | |
b34976b6 | 4976 | signedp = TRUE; |
252b5132 RH |
4977 | ++*pp; |
4978 | break; | |
4979 | ||
4980 | case 'V': | |
b34976b6 | 4981 | volatilep = TRUE; |
252b5132 RH |
4982 | ++*pp; |
4983 | break; | |
4984 | ||
4985 | default: | |
b34976b6 | 4986 | done = TRUE; |
252b5132 RH |
4987 | break; |
4988 | } | |
4989 | } | |
4990 | ||
4991 | switch (**pp) | |
4992 | { | |
4993 | case '\0': | |
4994 | case '_': | |
4995 | /* cplus_demangle permits this, but I don't know what it means. */ | |
4996 | stab_bad_demangle (orig); | |
4997 | break; | |
4998 | ||
4999 | case 'v': /* void */ | |
5000 | if (ptype != NULL) | |
5001 | { | |
5002 | *ptype = debug_find_named_type (minfo->dhandle, "void"); | |
5003 | if (*ptype == DEBUG_TYPE_NULL) | |
5004 | *ptype = debug_make_void_type (minfo->dhandle); | |
5005 | } | |
5006 | ++*pp; | |
5007 | break; | |
5008 | ||
5009 | case 'x': /* long long */ | |
5010 | if (ptype != NULL) | |
5011 | { | |
5012 | *ptype = debug_find_named_type (minfo->dhandle, | |
5013 | (unsignedp | |
5014 | ? "long long unsigned int" | |
5015 | : "long long int")); | |
5016 | if (*ptype == DEBUG_TYPE_NULL) | |
5017 | *ptype = debug_make_int_type (minfo->dhandle, 8, unsignedp); | |
5018 | } | |
5019 | ++*pp; | |
5020 | break; | |
5021 | ||
5022 | case 'l': /* long */ | |
5023 | if (ptype != NULL) | |
5024 | { | |
5025 | *ptype = debug_find_named_type (minfo->dhandle, | |
5026 | (unsignedp | |
5027 | ? "long unsigned int" | |
5028 | : "long int")); | |
5029 | if (*ptype == DEBUG_TYPE_NULL) | |
5030 | *ptype = debug_make_int_type (minfo->dhandle, 4, unsignedp); | |
5031 | } | |
5032 | ++*pp; | |
5033 | break; | |
5034 | ||
5035 | case 'i': /* int */ | |
5036 | if (ptype != NULL) | |
5037 | { | |
5038 | *ptype = debug_find_named_type (minfo->dhandle, | |
5039 | (unsignedp | |
5040 | ? "unsigned int" | |
5041 | : "int")); | |
5042 | if (*ptype == DEBUG_TYPE_NULL) | |
5043 | *ptype = debug_make_int_type (minfo->dhandle, 4, unsignedp); | |
5044 | } | |
5045 | ++*pp; | |
5046 | break; | |
5047 | ||
5048 | case 's': /* short */ | |
5049 | if (ptype != NULL) | |
5050 | { | |
5051 | *ptype = debug_find_named_type (minfo->dhandle, | |
5052 | (unsignedp | |
5053 | ? "short unsigned int" | |
5054 | : "short int")); | |
5055 | if (*ptype == DEBUG_TYPE_NULL) | |
5056 | *ptype = debug_make_int_type (minfo->dhandle, 2, unsignedp); | |
5057 | } | |
5058 | ++*pp; | |
5059 | break; | |
5060 | ||
5061 | case 'b': /* bool */ | |
5062 | if (ptype != NULL) | |
5063 | { | |
5064 | *ptype = debug_find_named_type (minfo->dhandle, "bool"); | |
5065 | if (*ptype == DEBUG_TYPE_NULL) | |
5066 | *ptype = debug_make_bool_type (minfo->dhandle, 4); | |
5067 | } | |
5068 | ++*pp; | |
5069 | break; | |
5070 | ||
5071 | case 'c': /* char */ | |
5072 | if (ptype != NULL) | |
5073 | { | |
5074 | *ptype = debug_find_named_type (minfo->dhandle, | |
5075 | (unsignedp | |
5076 | ? "unsigned char" | |
5077 | : (signedp | |
5078 | ? "signed char" | |
5079 | : "char"))); | |
5080 | if (*ptype == DEBUG_TYPE_NULL) | |
5081 | *ptype = debug_make_int_type (minfo->dhandle, 1, unsignedp); | |
5082 | } | |
5083 | ++*pp; | |
5084 | break; | |
5085 | ||
5086 | case 'w': /* wchar_t */ | |
5087 | if (ptype != NULL) | |
5088 | { | |
5089 | *ptype = debug_find_named_type (minfo->dhandle, "__wchar_t"); | |
5090 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 5091 | *ptype = debug_make_int_type (minfo->dhandle, 2, TRUE); |
252b5132 RH |
5092 | } |
5093 | ++*pp; | |
5094 | break; | |
5095 | ||
5096 | case 'r': /* long double */ | |
5097 | if (ptype != NULL) | |
5098 | { | |
5099 | *ptype = debug_find_named_type (minfo->dhandle, "long double"); | |
5100 | if (*ptype == DEBUG_TYPE_NULL) | |
5101 | *ptype = debug_make_float_type (minfo->dhandle, 8); | |
5102 | } | |
5103 | ++*pp; | |
5104 | break; | |
5105 | ||
5106 | case 'd': /* double */ | |
5107 | if (ptype != NULL) | |
5108 | { | |
5109 | *ptype = debug_find_named_type (minfo->dhandle, "double"); | |
5110 | if (*ptype == DEBUG_TYPE_NULL) | |
5111 | *ptype = debug_make_float_type (minfo->dhandle, 8); | |
5112 | } | |
5113 | ++*pp; | |
5114 | break; | |
5115 | ||
5116 | case 'f': /* float */ | |
5117 | if (ptype != NULL) | |
5118 | { | |
5119 | *ptype = debug_find_named_type (minfo->dhandle, "float"); | |
5120 | if (*ptype == DEBUG_TYPE_NULL) | |
5121 | *ptype = debug_make_float_type (minfo->dhandle, 4); | |
5122 | } | |
5123 | ++*pp; | |
5124 | break; | |
5125 | ||
5126 | case 'G': | |
5127 | ++*pp; | |
3882b010 | 5128 | if (! ISDIGIT (**pp)) |
252b5132 RH |
5129 | { |
5130 | stab_bad_demangle (orig); | |
b34976b6 | 5131 | return FALSE; |
252b5132 RH |
5132 | } |
5133 | /* Fall through. */ | |
5134 | case '0': case '1': case '2': case '3': case '4': | |
5135 | case '5': case '6': case '7': case '8': case '9': | |
5136 | { | |
5137 | const char *hold; | |
5138 | ||
5139 | if (! stab_demangle_class (minfo, pp, &hold)) | |
b34976b6 | 5140 | return FALSE; |
252b5132 RH |
5141 | if (ptype != NULL) |
5142 | { | |
5143 | char *name; | |
5144 | ||
5145 | name = savestring (hold, *pp - hold); | |
5146 | *ptype = debug_find_named_type (minfo->dhandle, name); | |
5147 | free (name); | |
5148 | if (*ptype == DEBUG_TYPE_NULL) | |
5149 | { | |
5150 | /* FIXME: It is probably incorrect to assume that | |
5151 | undefined types are tagged types. */ | |
5152 | *ptype = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
5153 | hold, *pp - hold, | |
5154 | DEBUG_KIND_ILLEGAL); | |
5155 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 5156 | return FALSE; |
252b5132 RH |
5157 | } |
5158 | } | |
5159 | } | |
5160 | break; | |
5161 | ||
5162 | case 't': | |
5163 | { | |
5164 | char *name; | |
5165 | ||
5166 | if (! stab_demangle_template (minfo, pp, | |
5167 | ptype != NULL ? &name : NULL)) | |
b34976b6 | 5168 | return FALSE; |
252b5132 RH |
5169 | if (ptype != NULL) |
5170 | { | |
5171 | *ptype = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
5172 | name, strlen (name), | |
5173 | DEBUG_KIND_CLASS); | |
5174 | free (name); | |
5175 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 5176 | return FALSE; |
252b5132 RH |
5177 | } |
5178 | } | |
5179 | break; | |
5180 | ||
5181 | default: | |
5182 | stab_bad_demangle (orig); | |
b34976b6 | 5183 | return FALSE; |
252b5132 RH |
5184 | } |
5185 | ||
5186 | if (ptype != NULL) | |
5187 | { | |
5188 | if (constp) | |
5189 | *ptype = debug_make_const_type (minfo->dhandle, *ptype); | |
5190 | if (volatilep) | |
5191 | *ptype = debug_make_volatile_type (minfo->dhandle, *ptype); | |
5192 | } | |
5193 | ||
b34976b6 | 5194 | return TRUE; |
252b5132 RH |
5195 | } |
5196 | ||
5197 | /* Remember a type string in a demangled string. */ | |
5198 | ||
b34976b6 | 5199 | static bfd_boolean |
252b5132 RH |
5200 | stab_demangle_remember_type (minfo, p, len) |
5201 | struct stab_demangle_info *minfo; | |
5202 | const char *p; | |
5203 | int len; | |
5204 | { | |
5205 | if (minfo->typestring_count >= minfo->typestring_alloc) | |
5206 | { | |
5207 | minfo->typestring_alloc += 10; | |
5208 | minfo->typestrings = ((struct stab_demangle_typestring *) | |
5209 | xrealloc (minfo->typestrings, | |
5210 | (minfo->typestring_alloc | |
5211 | * sizeof *minfo->typestrings))); | |
5212 | } | |
5213 | ||
5214 | minfo->typestrings[minfo->typestring_count].typestring = p; | |
5215 | minfo->typestrings[minfo->typestring_count].len = (unsigned int) len; | |
5216 | ++minfo->typestring_count; | |
5217 | ||
b34976b6 | 5218 | return TRUE; |
252b5132 | 5219 | } |