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 | #include "aout/aout64.h" |
39 | #include "aout/stab_gnu.h" | |
40 | ||
252b5132 RH |
41 | /* The number of predefined XCOFF types. */ |
42 | ||
43 | #define XCOFF_TYPE_COUNT 34 | |
44 | ||
45 | /* This structure is used as a handle so that the stab parsing doesn't | |
46 | need to use any static variables. */ | |
47 | ||
48 | struct stab_handle | |
49 | { | |
50 | /* The BFD. */ | |
51 | bfd *abfd; | |
b34976b6 AM |
52 | /* TRUE if this is stabs in sections. */ |
53 | bfd_boolean sections; | |
252b5132 RH |
54 | /* The symbol table. */ |
55 | asymbol **syms; | |
56 | /* The number of symbols. */ | |
57 | long symcount; | |
58 | /* The accumulated file name string. */ | |
59 | char *so_string; | |
60 | /* The value of the last N_SO symbol. */ | |
61 | bfd_vma so_value; | |
62 | /* The value of the start of the file, so that we can handle file | |
63 | relative N_LBRAC and N_RBRAC symbols. */ | |
64 | bfd_vma file_start_offset; | |
65 | /* The offset of the start of the function, so that we can handle | |
66 | function relative N_LBRAC and N_RBRAC symbols. */ | |
67 | bfd_vma function_start_offset; | |
68 | /* The version number of gcc which compiled the current compilation | |
69 | unit, 0 if not compiled by gcc. */ | |
70 | int gcc_compiled; | |
71 | /* Whether an N_OPT symbol was seen that was not generated by gcc, | |
72 | so that we can detect the SunPRO compiler. */ | |
b34976b6 | 73 | bfd_boolean n_opt_found; |
252b5132 RH |
74 | /* The main file name. */ |
75 | char *main_filename; | |
76 | /* A stack of unfinished N_BINCL files. */ | |
77 | struct bincl_file *bincl_stack; | |
78 | /* A list of finished N_BINCL files. */ | |
79 | struct bincl_file *bincl_list; | |
80 | /* Whether we are inside a function or not. */ | |
b34976b6 | 81 | bfd_boolean within_function; |
252b5132 RH |
82 | /* The address of the end of the function, used if we have seen an |
83 | N_FUN symbol while in a function. This is -1 if we have not seen | |
84 | an N_FUN (the normal case). */ | |
85 | bfd_vma function_end; | |
86 | /* The depth of block nesting. */ | |
87 | int block_depth; | |
88 | /* List of pending variable definitions. */ | |
89 | struct stab_pending_var *pending; | |
90 | /* Number of files for which we have types. */ | |
91 | unsigned int files; | |
92 | /* Lists of types per file. */ | |
93 | struct stab_types **file_types; | |
94 | /* Predefined XCOFF types. */ | |
95 | debug_type xcoff_types[XCOFF_TYPE_COUNT]; | |
96 | /* Undefined tags. */ | |
97 | struct stab_tag *tags; | |
98 | /* Set by parse_stab_type if it sees a structure defined as a cross | |
99 | reference to itself. Reset by parse_stab_type otherwise. */ | |
b34976b6 | 100 | bfd_boolean self_crossref; |
252b5132 RH |
101 | }; |
102 | ||
103 | /* A list of these structures is used to hold pending variable | |
104 | definitions seen before the N_LBRAC of a block. */ | |
105 | ||
106 | struct stab_pending_var | |
107 | { | |
108 | /* Next pending variable definition. */ | |
109 | struct stab_pending_var *next; | |
110 | /* Name. */ | |
111 | const char *name; | |
112 | /* Type. */ | |
113 | debug_type type; | |
114 | /* Kind. */ | |
115 | enum debug_var_kind kind; | |
116 | /* Value. */ | |
117 | bfd_vma val; | |
118 | }; | |
119 | ||
120 | /* A list of these structures is used to hold the types for a single | |
121 | file. */ | |
122 | ||
123 | struct stab_types | |
124 | { | |
125 | /* Next set of slots for this file. */ | |
126 | struct stab_types *next; | |
127 | /* Types indexed by type number. */ | |
128 | #define STAB_TYPES_SLOTS (16) | |
129 | debug_type types[STAB_TYPES_SLOTS]; | |
130 | }; | |
131 | ||
132 | /* We keep a list of undefined tags that we encounter, so that we can | |
133 | fill them in if the tag is later defined. */ | |
134 | ||
135 | struct stab_tag | |
136 | { | |
137 | /* Next undefined tag. */ | |
138 | struct stab_tag *next; | |
139 | /* Tag name. */ | |
140 | const char *name; | |
141 | /* Type kind. */ | |
142 | enum debug_type_kind kind; | |
143 | /* Slot to hold real type when we discover it. If we don't, we fill | |
144 | in an undefined tag type. */ | |
145 | debug_type slot; | |
146 | /* Indirect type we have created to point at slot. */ | |
147 | debug_type type; | |
148 | }; | |
149 | ||
b34976b6 AM |
150 | static char *savestring |
151 | PARAMS ((const char *, int)); | |
152 | static bfd_vma parse_number | |
153 | PARAMS ((const char **, bfd_boolean *)); | |
154 | static void bad_stab | |
155 | PARAMS ((const char *)); | |
156 | static void warn_stab | |
157 | PARAMS ((const char *, const char *)); | |
158 | static bfd_boolean parse_stab_string | |
252b5132 RH |
159 | PARAMS ((PTR, struct stab_handle *, int, int, bfd_vma, const char *)); |
160 | static debug_type parse_stab_type | |
161 | PARAMS ((PTR, struct stab_handle *, const char *, const char **, | |
162 | debug_type **)); | |
b34976b6 | 163 | static bfd_boolean parse_stab_type_number |
252b5132 RH |
164 | PARAMS ((const char **, int *)); |
165 | static debug_type parse_stab_range_type | |
166 | PARAMS ((PTR, struct stab_handle *, const char *, const char **, | |
167 | const int *)); | |
b34976b6 AM |
168 | static debug_type parse_stab_sun_builtin_type |
169 | PARAMS ((PTR, const char **)); | |
252b5132 RH |
170 | static debug_type parse_stab_sun_floating_type |
171 | PARAMS ((PTR, const char **)); | |
b34976b6 AM |
172 | static debug_type parse_stab_enum_type |
173 | PARAMS ((PTR, const char **)); | |
252b5132 | 174 | static debug_type parse_stab_struct_type |
6de15b9e NC |
175 | PARAMS ((PTR, struct stab_handle *, const char *, const char **, |
176 | bfd_boolean, const int *)); | |
b34976b6 | 177 | static bfd_boolean parse_stab_baseclasses |
252b5132 | 178 | PARAMS ((PTR, struct stab_handle *, const char **, debug_baseclass **)); |
b34976b6 | 179 | static bfd_boolean parse_stab_struct_fields |
252b5132 | 180 | PARAMS ((PTR, struct stab_handle *, const char **, debug_field **, |
b34976b6 AM |
181 | bfd_boolean *)); |
182 | static bfd_boolean parse_stab_cpp_abbrev | |
252b5132 | 183 | PARAMS ((PTR, struct stab_handle *, const char **, debug_field *)); |
b34976b6 | 184 | static bfd_boolean parse_stab_one_struct_field |
252b5132 | 185 | PARAMS ((PTR, struct stab_handle *, const char **, const char *, |
b34976b6 AM |
186 | debug_field *, bfd_boolean *)); |
187 | static bfd_boolean parse_stab_members | |
252b5132 RH |
188 | PARAMS ((PTR, struct stab_handle *, const char *, const char **, |
189 | const int *, debug_method **)); | |
190 | static debug_type parse_stab_argtypes | |
191 | PARAMS ((PTR, struct stab_handle *, debug_type, const char *, const char *, | |
b34976b6 AM |
192 | debug_type, const char *, bfd_boolean, bfd_boolean, const char **)); |
193 | static bfd_boolean parse_stab_tilde_field | |
252b5132 | 194 | PARAMS ((PTR, struct stab_handle *, const char **, const int *, |
b34976b6 | 195 | debug_type *, bfd_boolean *)); |
252b5132 | 196 | static debug_type parse_stab_array_type |
b34976b6 AM |
197 | PARAMS ((PTR, struct stab_handle *, const char **, bfd_boolean)); |
198 | static void push_bincl | |
199 | PARAMS ((struct stab_handle *, const char *, bfd_vma)); | |
200 | static const char *pop_bincl | |
201 | PARAMS ((struct stab_handle *)); | |
202 | static bfd_boolean find_excl | |
252b5132 | 203 | PARAMS ((struct stab_handle *, const char *, bfd_vma)); |
b34976b6 | 204 | static bfd_boolean stab_record_variable |
252b5132 RH |
205 | PARAMS ((PTR, struct stab_handle *, const char *, debug_type, |
206 | enum debug_var_kind, bfd_vma)); | |
b34976b6 AM |
207 | static bfd_boolean stab_emit_pending_vars |
208 | PARAMS ((PTR, struct stab_handle *)); | |
252b5132 RH |
209 | static debug_type *stab_find_slot |
210 | PARAMS ((struct stab_handle *, const int *)); | |
211 | static debug_type stab_find_type | |
212 | PARAMS ((PTR, struct stab_handle *, const int *)); | |
b34976b6 | 213 | static bfd_boolean stab_record_type |
252b5132 RH |
214 | PARAMS ((PTR, struct stab_handle *, const int *, debug_type)); |
215 | static debug_type stab_xcoff_builtin_type | |
216 | PARAMS ((PTR, struct stab_handle *, int)); | |
217 | static debug_type stab_find_tagged_type | |
218 | PARAMS ((PTR, struct stab_handle *, const char *, int, | |
219 | enum debug_type_kind)); | |
220 | static debug_type *stab_demangle_argtypes | |
6de15b9e NC |
221 | PARAMS ((PTR, struct stab_handle *, const char *, bfd_boolean *, |
222 | unsigned int)); | |
252b5132 RH |
223 | |
224 | /* Save a string in memory. */ | |
225 | ||
226 | static char * | |
227 | savestring (start, len) | |
228 | const char *start; | |
229 | int len; | |
230 | { | |
231 | char *ret; | |
232 | ||
233 | ret = (char *) xmalloc (len + 1); | |
234 | memcpy (ret, start, len); | |
235 | ret[len] = '\0'; | |
236 | return ret; | |
237 | } | |
238 | ||
239 | /* Read a number from a string. */ | |
240 | ||
241 | static bfd_vma | |
242 | parse_number (pp, poverflow) | |
243 | const char **pp; | |
b34976b6 | 244 | bfd_boolean *poverflow; |
252b5132 RH |
245 | { |
246 | unsigned long ul; | |
247 | const char *orig; | |
248 | ||
249 | if (poverflow != NULL) | |
b34976b6 | 250 | *poverflow = FALSE; |
252b5132 RH |
251 | |
252 | orig = *pp; | |
253 | ||
254 | errno = 0; | |
255 | ul = strtoul (*pp, (char **) pp, 0); | |
256 | if (ul + 1 != 0 || errno == 0) | |
257 | { | |
258 | /* If bfd_vma is larger than unsigned long, and the number is | |
259 | meant to be negative, we have to make sure that we sign | |
260 | extend properly. */ | |
261 | if (*orig == '-') | |
262 | return (bfd_vma) (bfd_signed_vma) (long) ul; | |
263 | return (bfd_vma) ul; | |
264 | } | |
265 | ||
266 | /* Note that even though strtoul overflowed, it should have set *pp | |
267 | to the end of the number, which is where we want it. */ | |
252b5132 RH |
268 | if (sizeof (bfd_vma) > sizeof (unsigned long)) |
269 | { | |
270 | const char *p; | |
b34976b6 | 271 | bfd_boolean neg; |
252b5132 RH |
272 | int base; |
273 | bfd_vma over, lastdig; | |
b34976b6 | 274 | bfd_boolean overflow; |
252b5132 RH |
275 | bfd_vma v; |
276 | ||
277 | /* Our own version of strtoul, for a bfd_vma. */ | |
252b5132 RH |
278 | p = orig; |
279 | ||
b34976b6 | 280 | neg = FALSE; |
252b5132 RH |
281 | if (*p == '+') |
282 | ++p; | |
283 | else if (*p == '-') | |
284 | { | |
b34976b6 | 285 | neg = TRUE; |
252b5132 RH |
286 | ++p; |
287 | } | |
288 | ||
289 | base = 10; | |
290 | if (*p == '0') | |
291 | { | |
292 | if (p[1] == 'x' || p[1] == 'X') | |
293 | { | |
294 | base = 16; | |
295 | p += 2; | |
296 | } | |
297 | else | |
298 | { | |
299 | base = 8; | |
300 | ++p; | |
301 | } | |
302 | } | |
303 | ||
304 | over = ((bfd_vma) (bfd_signed_vma) -1) / (bfd_vma) base; | |
305 | lastdig = ((bfd_vma) (bfd_signed_vma) -1) % (bfd_vma) base; | |
306 | ||
b34976b6 | 307 | overflow = FALSE; |
252b5132 RH |
308 | v = 0; |
309 | while (1) | |
310 | { | |
311 | int d; | |
312 | ||
313 | d = *p++; | |
3882b010 | 314 | if (ISDIGIT (d)) |
252b5132 | 315 | d -= '0'; |
3882b010 | 316 | else if (ISUPPER (d)) |
252b5132 | 317 | d -= 'A'; |
3882b010 | 318 | else if (ISLOWER (d)) |
252b5132 RH |
319 | d -= 'a'; |
320 | else | |
321 | break; | |
322 | ||
323 | if (d >= base) | |
324 | break; | |
325 | ||
326 | if (v > over || (v == over && (bfd_vma) d > lastdig)) | |
327 | { | |
b34976b6 | 328 | overflow = TRUE; |
252b5132 RH |
329 | break; |
330 | } | |
331 | } | |
332 | ||
333 | if (! overflow) | |
334 | { | |
335 | if (neg) | |
336 | v = - v; | |
337 | return v; | |
338 | } | |
339 | } | |
340 | ||
341 | /* If we get here, the number is too large to represent in a | |
342 | bfd_vma. */ | |
252b5132 | 343 | if (poverflow != NULL) |
b34976b6 | 344 | *poverflow = TRUE; |
252b5132 RH |
345 | else |
346 | warn_stab (orig, _("numeric overflow")); | |
347 | ||
348 | return 0; | |
349 | } | |
350 | ||
351 | /* Give an error for a bad stab string. */ | |
352 | ||
353 | static void | |
354 | bad_stab (p) | |
355 | const char *p; | |
356 | { | |
357 | fprintf (stderr, _("Bad stab: %s\n"), p); | |
358 | } | |
359 | ||
360 | /* Warn about something in a stab string. */ | |
361 | ||
362 | static void | |
363 | warn_stab (p, err) | |
364 | const char *p; | |
365 | const char *err; | |
366 | { | |
367 | fprintf (stderr, _("Warning: %s: %s\n"), err, p); | |
368 | } | |
369 | ||
370 | /* Create a handle to parse stabs symbols with. */ | |
371 | ||
252b5132 RH |
372 | PTR |
373 | start_stab (dhandle, abfd, sections, syms, symcount) | |
b4c96d0d | 374 | PTR dhandle ATTRIBUTE_UNUSED; |
252b5132 | 375 | bfd *abfd; |
b34976b6 | 376 | bfd_boolean sections; |
252b5132 RH |
377 | asymbol **syms; |
378 | long symcount; | |
379 | { | |
380 | struct stab_handle *ret; | |
381 | ||
382 | ret = (struct stab_handle *) xmalloc (sizeof *ret); | |
383 | memset (ret, 0, sizeof *ret); | |
384 | ret->abfd = abfd; | |
385 | ret->sections = sections; | |
386 | ret->syms = syms; | |
387 | ret->symcount = symcount; | |
388 | ret->files = 1; | |
389 | ret->file_types = (struct stab_types **) xmalloc (sizeof *ret->file_types); | |
390 | ret->file_types[0] = NULL; | |
391 | ret->function_end = (bfd_vma) -1; | |
392 | return (PTR) ret; | |
393 | } | |
394 | ||
395 | /* When we have processed all the stabs information, we need to go | |
396 | through and fill in all the undefined tags. */ | |
397 | ||
b34976b6 | 398 | bfd_boolean |
252b5132 RH |
399 | finish_stab (dhandle, handle) |
400 | PTR dhandle; | |
401 | PTR handle; | |
402 | { | |
403 | struct stab_handle *info = (struct stab_handle *) handle; | |
404 | struct stab_tag *st; | |
405 | ||
406 | if (info->within_function) | |
407 | { | |
408 | if (! stab_emit_pending_vars (dhandle, info) | |
409 | || ! debug_end_function (dhandle, info->function_end)) | |
b34976b6 AM |
410 | return FALSE; |
411 | info->within_function = FALSE; | |
252b5132 RH |
412 | info->function_end = (bfd_vma) -1; |
413 | } | |
414 | ||
415 | for (st = info->tags; st != NULL; st = st->next) | |
416 | { | |
417 | enum debug_type_kind kind; | |
418 | ||
419 | kind = st->kind; | |
420 | if (kind == DEBUG_KIND_ILLEGAL) | |
421 | kind = DEBUG_KIND_STRUCT; | |
422 | st->slot = debug_make_undefined_tagged_type (dhandle, st->name, kind); | |
423 | if (st->slot == DEBUG_TYPE_NULL) | |
b34976b6 | 424 | return FALSE; |
252b5132 RH |
425 | } |
426 | ||
b34976b6 | 427 | return TRUE; |
252b5132 RH |
428 | } |
429 | ||
430 | /* Handle a single stabs symbol. */ | |
431 | ||
b34976b6 | 432 | bfd_boolean |
252b5132 RH |
433 | parse_stab (dhandle, handle, type, desc, value, string) |
434 | PTR dhandle; | |
435 | PTR handle; | |
436 | int type; | |
437 | int desc; | |
438 | bfd_vma value; | |
439 | const char *string; | |
440 | { | |
441 | struct stab_handle *info = (struct stab_handle *) handle; | |
442 | ||
443 | /* gcc will emit two N_SO strings per compilation unit, one for the | |
444 | directory name and one for the file name. We just collect N_SO | |
445 | strings as we see them, and start the new compilation unit when | |
446 | we see a non N_SO symbol. */ | |
447 | if (info->so_string != NULL | |
448 | && (type != N_SO || *string == '\0' || value != info->so_value)) | |
449 | { | |
450 | if (! debug_set_filename (dhandle, info->so_string)) | |
b34976b6 | 451 | return FALSE; |
252b5132 RH |
452 | info->main_filename = info->so_string; |
453 | ||
454 | info->gcc_compiled = 0; | |
b34976b6 | 455 | info->n_opt_found = FALSE; |
252b5132 RH |
456 | |
457 | /* Generally, for stabs in the symbol table, the N_LBRAC and | |
458 | N_RBRAC symbols are relative to the N_SO symbol value. */ | |
459 | if (! info->sections) | |
460 | info->file_start_offset = info->so_value; | |
461 | ||
462 | /* We need to reset the mapping from type numbers to types. We | |
463 | can't free the old mapping, because of the use of | |
464 | debug_make_indirect_type. */ | |
465 | info->files = 1; | |
466 | info->file_types = ((struct stab_types **) | |
467 | xmalloc (sizeof *info->file_types)); | |
468 | info->file_types[0] = NULL; | |
469 | ||
470 | info->so_string = NULL; | |
471 | ||
472 | /* Now process whatever type we just got. */ | |
473 | } | |
474 | ||
475 | switch (type) | |
476 | { | |
477 | case N_FN: | |
478 | case N_FN_SEQ: | |
479 | break; | |
480 | ||
481 | case N_LBRAC: | |
482 | /* Ignore extra outermost context from SunPRO cc and acc. */ | |
483 | if (info->n_opt_found && desc == 1) | |
484 | break; | |
485 | ||
486 | if (! info->within_function) | |
487 | { | |
488 | fprintf (stderr, _("N_LBRAC not within function\n")); | |
b34976b6 | 489 | return FALSE; |
252b5132 RH |
490 | } |
491 | ||
492 | /* Start an inner lexical block. */ | |
493 | if (! debug_start_block (dhandle, | |
494 | (value | |
495 | + info->file_start_offset | |
496 | + info->function_start_offset))) | |
b34976b6 | 497 | return FALSE; |
252b5132 RH |
498 | |
499 | /* Emit any pending variable definitions. */ | |
500 | if (! stab_emit_pending_vars (dhandle, info)) | |
b34976b6 | 501 | return FALSE; |
252b5132 RH |
502 | |
503 | ++info->block_depth; | |
504 | break; | |
505 | ||
506 | case N_RBRAC: | |
507 | /* Ignore extra outermost context from SunPRO cc and acc. */ | |
508 | if (info->n_opt_found && desc == 1) | |
509 | break; | |
510 | ||
511 | /* We shouldn't have any pending variable definitions here, but, | |
512 | if we do, we probably need to emit them before closing the | |
513 | block. */ | |
514 | if (! stab_emit_pending_vars (dhandle, info)) | |
b34976b6 | 515 | return FALSE; |
252b5132 RH |
516 | |
517 | /* End an inner lexical block. */ | |
518 | if (! debug_end_block (dhandle, | |
519 | (value | |
520 | + info->file_start_offset | |
521 | + info->function_start_offset))) | |
b34976b6 | 522 | return FALSE; |
252b5132 RH |
523 | |
524 | --info->block_depth; | |
525 | if (info->block_depth < 0) | |
526 | { | |
527 | fprintf (stderr, _("Too many N_RBRACs\n")); | |
b34976b6 | 528 | return FALSE; |
252b5132 RH |
529 | } |
530 | break; | |
531 | ||
532 | case N_SO: | |
533 | /* This always ends a function. */ | |
534 | if (info->within_function) | |
535 | { | |
536 | bfd_vma endval; | |
537 | ||
538 | endval = value; | |
539 | if (*string != '\0' | |
540 | && info->function_end != (bfd_vma) -1 | |
541 | && info->function_end < endval) | |
542 | endval = info->function_end; | |
543 | if (! stab_emit_pending_vars (dhandle, info) | |
544 | || ! debug_end_function (dhandle, endval)) | |
b34976b6 AM |
545 | return FALSE; |
546 | info->within_function = FALSE; | |
252b5132 RH |
547 | info->function_end = (bfd_vma) -1; |
548 | } | |
549 | ||
550 | /* An empty string is emitted by gcc at the end of a compilation | |
551 | unit. */ | |
552 | if (*string == '\0') | |
b34976b6 | 553 | return TRUE; |
252b5132 RH |
554 | |
555 | /* Just accumulate strings until we see a non N_SO symbol. If | |
556 | the string starts with a directory separator or some other | |
557 | form of absolute path specification, we discard the previously | |
558 | accumulated strings. */ | |
559 | if (info->so_string == NULL) | |
560 | info->so_string = xstrdup (string); | |
561 | else | |
562 | { | |
563 | char *f; | |
564 | ||
565 | f = info->so_string; | |
566 | ||
9f66665a | 567 | if (IS_ABSOLUTE_PATH (string)) |
252b5132 RH |
568 | info->so_string = xstrdup (string); |
569 | else | |
570 | info->so_string = concat (info->so_string, string, | |
571 | (const char *) NULL); | |
572 | free (f); | |
573 | } | |
574 | ||
575 | info->so_value = value; | |
576 | ||
577 | break; | |
578 | ||
579 | case N_SOL: | |
580 | /* Start an include file. */ | |
581 | if (! debug_start_source (dhandle, string)) | |
b34976b6 | 582 | return FALSE; |
252b5132 RH |
583 | break; |
584 | ||
585 | case N_BINCL: | |
586 | /* Start an include file which may be replaced. */ | |
587 | push_bincl (info, string, value); | |
588 | if (! debug_start_source (dhandle, string)) | |
b34976b6 | 589 | return FALSE; |
252b5132 RH |
590 | break; |
591 | ||
592 | case N_EINCL: | |
593 | /* End an N_BINCL include. */ | |
594 | if (! debug_start_source (dhandle, pop_bincl (info))) | |
b34976b6 | 595 | return FALSE; |
252b5132 RH |
596 | break; |
597 | ||
598 | case N_EXCL: | |
599 | /* This is a duplicate of a header file named by N_BINCL which | |
600 | was eliminated by the linker. */ | |
601 | if (! find_excl (info, string, value)) | |
b34976b6 | 602 | return FALSE; |
252b5132 RH |
603 | break; |
604 | ||
605 | case N_SLINE: | |
606 | if (! debug_record_line (dhandle, desc, | |
6de15b9e NC |
607 | value + (info->within_function |
608 | ? info->function_start_offset : 0))) | |
b34976b6 | 609 | return FALSE; |
252b5132 RH |
610 | break; |
611 | ||
612 | case N_BCOMM: | |
613 | if (! debug_start_common_block (dhandle, string)) | |
b34976b6 | 614 | return FALSE; |
252b5132 RH |
615 | break; |
616 | ||
617 | case N_ECOMM: | |
618 | if (! debug_end_common_block (dhandle, string)) | |
b34976b6 | 619 | return FALSE; |
252b5132 RH |
620 | break; |
621 | ||
622 | case N_FUN: | |
623 | if (*string == '\0') | |
624 | { | |
625 | if (info->within_function) | |
626 | { | |
627 | /* This always marks the end of a function; we don't | |
628 | need to worry about info->function_end. */ | |
629 | if (info->sections) | |
630 | value += info->function_start_offset; | |
631 | if (! stab_emit_pending_vars (dhandle, info) | |
632 | || ! debug_end_function (dhandle, value)) | |
b34976b6 AM |
633 | return FALSE; |
634 | info->within_function = FALSE; | |
252b5132 RH |
635 | info->function_end = (bfd_vma) -1; |
636 | } | |
637 | break; | |
638 | } | |
639 | ||
640 | /* A const static symbol in the .text section will have an N_FUN | |
641 | entry. We need to use these to mark the end of the function, | |
642 | in case we are looking at gcc output before it was changed to | |
643 | always emit an empty N_FUN. We can't call debug_end_function | |
644 | here, because it might be a local static symbol. */ | |
645 | if (info->within_function | |
646 | && (info->function_end == (bfd_vma) -1 | |
647 | || value < info->function_end)) | |
648 | info->function_end = value; | |
649 | ||
650 | /* Fall through. */ | |
651 | /* FIXME: gdb checks the string for N_STSYM, N_LCSYM or N_ROSYM | |
652 | symbols, and if it does not start with :S, gdb relocates the | |
653 | value to the start of the section. gcc always seems to use | |
654 | :S, so we don't worry about this. */ | |
655 | /* Fall through. */ | |
656 | default: | |
657 | { | |
658 | const char *colon; | |
659 | ||
660 | colon = strchr (string, ':'); | |
661 | if (colon != NULL | |
662 | && (colon[1] == 'f' || colon[1] == 'F')) | |
663 | { | |
664 | if (info->within_function) | |
665 | { | |
666 | bfd_vma endval; | |
667 | ||
668 | endval = value; | |
669 | if (info->function_end != (bfd_vma) -1 | |
670 | && info->function_end < endval) | |
671 | endval = info->function_end; | |
672 | if (! stab_emit_pending_vars (dhandle, info) | |
673 | || ! debug_end_function (dhandle, endval)) | |
b34976b6 | 674 | return FALSE; |
252b5132 RH |
675 | info->function_end = (bfd_vma) -1; |
676 | } | |
677 | /* For stabs in sections, line numbers and block addresses | |
678 | are offsets from the start of the function. */ | |
679 | if (info->sections) | |
680 | info->function_start_offset = value; | |
b34976b6 | 681 | info->within_function = TRUE; |
252b5132 RH |
682 | } |
683 | ||
684 | if (! parse_stab_string (dhandle, info, type, desc, value, string)) | |
b34976b6 | 685 | return FALSE; |
252b5132 RH |
686 | } |
687 | break; | |
688 | ||
689 | case N_OPT: | |
690 | if (string != NULL && strcmp (string, "gcc2_compiled.") == 0) | |
691 | info->gcc_compiled = 2; | |
692 | else if (string != NULL && strcmp (string, "gcc_compiled.") == 0) | |
693 | info->gcc_compiled = 1; | |
694 | else | |
b34976b6 | 695 | info->n_opt_found = TRUE; |
252b5132 RH |
696 | break; |
697 | ||
698 | case N_OBJ: | |
699 | case N_ENDM: | |
700 | case N_MAIN: | |
8855cbca | 701 | case N_WARNING: |
252b5132 RH |
702 | break; |
703 | } | |
704 | ||
b34976b6 | 705 | return TRUE; |
252b5132 RH |
706 | } |
707 | ||
708 | /* Parse the stabs string. */ | |
709 | ||
b34976b6 | 710 | static bfd_boolean |
252b5132 RH |
711 | parse_stab_string (dhandle, info, stabtype, desc, value, string) |
712 | PTR dhandle; | |
713 | struct stab_handle *info; | |
714 | int stabtype; | |
715 | int desc; | |
716 | bfd_vma value; | |
717 | const char *string; | |
718 | { | |
719 | const char *p; | |
720 | char *name; | |
721 | int type; | |
722 | debug_type dtype; | |
b34976b6 AM |
723 | bfd_boolean synonym; |
724 | bfd_boolean self_crossref; | |
252b5132 RH |
725 | unsigned int lineno; |
726 | debug_type *slot; | |
727 | ||
728 | p = strchr (string, ':'); | |
729 | if (p == NULL) | |
b34976b6 | 730 | return TRUE; |
252b5132 RH |
731 | |
732 | while (p[1] == ':') | |
733 | { | |
734 | p += 2; | |
735 | p = strchr (p, ':'); | |
736 | if (p == NULL) | |
737 | { | |
738 | bad_stab (string); | |
b34976b6 | 739 | return FALSE; |
252b5132 RH |
740 | } |
741 | } | |
742 | ||
743 | /* GCC 2.x puts the line number in desc. SunOS apparently puts in | |
744 | the number of bytes occupied by a type or object, which we | |
745 | ignore. */ | |
746 | if (info->gcc_compiled >= 2) | |
747 | lineno = desc; | |
748 | else | |
749 | lineno = 0; | |
750 | ||
751 | /* FIXME: Sometimes the special C++ names start with '.'. */ | |
752 | name = NULL; | |
753 | if (string[0] == '$') | |
754 | { | |
755 | switch (string[1]) | |
756 | { | |
757 | case 't': | |
758 | name = "this"; | |
759 | break; | |
760 | case 'v': | |
761 | /* Was: name = "vptr"; */ | |
762 | break; | |
763 | case 'e': | |
764 | name = "eh_throw"; | |
765 | break; | |
766 | case '_': | |
767 | /* This was an anonymous type that was never fixed up. */ | |
768 | break; | |
769 | case 'X': | |
770 | /* SunPRO (3.0 at least) static variable encoding. */ | |
771 | break; | |
772 | default: | |
773 | warn_stab (string, _("unknown C++ encoded name")); | |
774 | break; | |
775 | } | |
776 | } | |
777 | ||
778 | if (name == NULL) | |
779 | { | |
780 | if (p == string || (string[0] == ' ' && p == string + 1)) | |
781 | name = NULL; | |
782 | else | |
783 | name = savestring (string, p - string); | |
784 | } | |
785 | ||
786 | ++p; | |
3882b010 | 787 | if (ISDIGIT (*p) || *p == '(' || *p == '-') |
252b5132 RH |
788 | type = 'l'; |
789 | else | |
790 | type = *p++; | |
791 | ||
792 | switch (type) | |
793 | { | |
794 | case 'c': | |
795 | /* c is a special case, not followed by a type-number. | |
796 | SYMBOL:c=iVALUE for an integer constant symbol. | |
797 | SYMBOL:c=rVALUE for a floating constant symbol. | |
798 | SYMBOL:c=eTYPE,INTVALUE for an enum constant symbol. | |
799 | e.g. "b:c=e6,0" for "const b = blob1" | |
800 | (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */ | |
801 | if (*p != '=') | |
802 | { | |
803 | bad_stab (string); | |
b34976b6 | 804 | return FALSE; |
252b5132 RH |
805 | } |
806 | ++p; | |
807 | switch (*p++) | |
808 | { | |
809 | case 'r': | |
810 | /* Floating point constant. */ | |
811 | if (! debug_record_float_const (dhandle, name, atof (p))) | |
b34976b6 | 812 | return FALSE; |
252b5132 RH |
813 | break; |
814 | case 'i': | |
815 | /* Integer constant. */ | |
816 | /* Defining integer constants this way is kind of silly, | |
817 | since 'e' constants allows the compiler to give not only | |
818 | the value, but the type as well. C has at least int, | |
819 | long, unsigned int, and long long as constant types; | |
820 | other languages probably should have at least unsigned as | |
821 | well as signed constants. */ | |
822 | if (! debug_record_int_const (dhandle, name, atoi (p))) | |
b34976b6 | 823 | return FALSE; |
252b5132 RH |
824 | break; |
825 | case 'e': | |
826 | /* SYMBOL:c=eTYPE,INTVALUE for a constant symbol whose value | |
827 | can be represented as integral. | |
828 | e.g. "b:c=e6,0" for "const b = blob1" | |
829 | (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */ | |
830 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
831 | &p, (debug_type **) NULL); | |
832 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 833 | return FALSE; |
252b5132 RH |
834 | if (*p != ',') |
835 | { | |
836 | bad_stab (string); | |
b34976b6 | 837 | return FALSE; |
252b5132 RH |
838 | } |
839 | if (! debug_record_typed_const (dhandle, name, dtype, atoi (p))) | |
b34976b6 | 840 | return FALSE; |
252b5132 RH |
841 | break; |
842 | default: | |
843 | bad_stab (string); | |
b34976b6 | 844 | return FALSE; |
252b5132 RH |
845 | } |
846 | ||
847 | break; | |
848 | ||
849 | case 'C': | |
850 | /* The name of a caught exception. */ | |
851 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
852 | &p, (debug_type **) NULL); | |
853 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 854 | return FALSE; |
252b5132 | 855 | if (! debug_record_label (dhandle, name, dtype, value)) |
b34976b6 | 856 | return FALSE; |
252b5132 RH |
857 | break; |
858 | ||
859 | case 'f': | |
860 | case 'F': | |
861 | /* A function definition. */ | |
862 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
863 | (debug_type **) NULL); | |
864 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 865 | return FALSE; |
252b5132 | 866 | if (! debug_record_function (dhandle, name, dtype, type == 'F', value)) |
b34976b6 | 867 | return FALSE; |
252b5132 RH |
868 | |
869 | /* Sun acc puts declared types of arguments here. We don't care | |
870 | about their actual types (FIXME -- we should remember the whole | |
871 | function prototype), but the list may define some new types | |
872 | that we have to remember, so we must scan it now. */ | |
873 | while (*p == ';') | |
874 | { | |
875 | ++p; | |
876 | if (parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
877 | (debug_type **) NULL) | |
878 | == DEBUG_TYPE_NULL) | |
b34976b6 | 879 | return FALSE; |
252b5132 RH |
880 | } |
881 | ||
882 | break; | |
883 | ||
884 | case 'G': | |
885 | { | |
886 | char leading; | |
887 | long c; | |
888 | asymbol **ps; | |
889 | ||
890 | /* A global symbol. The value must be extracted from the | |
891 | symbol table. */ | |
892 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
893 | (debug_type **) NULL); | |
894 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 895 | return FALSE; |
252b5132 RH |
896 | leading = bfd_get_symbol_leading_char (info->abfd); |
897 | for (c = info->symcount, ps = info->syms; c > 0; --c, ++ps) | |
898 | { | |
899 | const char *n; | |
900 | ||
901 | n = bfd_asymbol_name (*ps); | |
902 | if (leading != '\0' && *n == leading) | |
903 | ++n; | |
904 | if (*n == *name && strcmp (n, name) == 0) | |
905 | break; | |
906 | } | |
907 | if (c > 0) | |
908 | value = bfd_asymbol_value (*ps); | |
909 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_GLOBAL, | |
910 | value)) | |
b34976b6 | 911 | return FALSE; |
252b5132 RH |
912 | } |
913 | break; | |
914 | ||
915 | /* This case is faked by a conditional above, when there is no | |
916 | code letter in the dbx data. Dbx data never actually | |
917 | contains 'l'. */ | |
918 | case 'l': | |
919 | case 's': | |
920 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
921 | (debug_type **) NULL); | |
922 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 923 | return FALSE; |
252b5132 RH |
924 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_LOCAL, |
925 | value)) | |
b34976b6 | 926 | return FALSE; |
252b5132 RH |
927 | break; |
928 | ||
929 | case 'p': | |
930 | /* A function parameter. */ | |
931 | if (*p != 'F') | |
932 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
933 | (debug_type **) NULL); | |
934 | else | |
935 | { | |
936 | /* pF is a two-letter code that means a function parameter in | |
937 | Fortran. The type-number specifies the type of the return | |
938 | value. Translate it into a pointer-to-function type. */ | |
939 | ++p; | |
940 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
941 | (debug_type **) NULL); | |
942 | if (dtype != DEBUG_TYPE_NULL) | |
943 | { | |
944 | debug_type ftype; | |
945 | ||
946 | ftype = debug_make_function_type (dhandle, dtype, | |
b34976b6 | 947 | (debug_type *) NULL, FALSE); |
252b5132 RH |
948 | dtype = debug_make_pointer_type (dhandle, ftype); |
949 | } | |
950 | } | |
951 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 952 | return FALSE; |
252b5132 RH |
953 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_STACK, |
954 | value)) | |
b34976b6 | 955 | return FALSE; |
252b5132 RH |
956 | |
957 | /* FIXME: At this point gdb considers rearranging the parameter | |
958 | address on a big endian machine if it is smaller than an int. | |
959 | We have no way to do that, since we don't really know much | |
960 | about the target. */ | |
252b5132 RH |
961 | break; |
962 | ||
963 | case 'P': | |
964 | if (stabtype == N_FUN) | |
965 | { | |
966 | /* Prototype of a function referenced by this file. */ | |
967 | while (*p == ';') | |
968 | { | |
969 | ++p; | |
970 | if (parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
971 | (debug_type **) NULL) | |
972 | == DEBUG_TYPE_NULL) | |
b34976b6 | 973 | return FALSE; |
252b5132 RH |
974 | } |
975 | break; | |
976 | } | |
977 | /* Fall through. */ | |
978 | case 'R': | |
979 | /* Parameter which is in a register. */ | |
980 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
981 | (debug_type **) NULL); | |
982 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 983 | return FALSE; |
252b5132 RH |
984 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REG, |
985 | value)) | |
b34976b6 | 986 | return FALSE; |
252b5132 RH |
987 | break; |
988 | ||
989 | case 'r': | |
990 | /* Register variable (either global or local). */ | |
991 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
992 | (debug_type **) NULL); | |
993 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 994 | return FALSE; |
252b5132 RH |
995 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_REGISTER, |
996 | value)) | |
b34976b6 | 997 | return FALSE; |
252b5132 RH |
998 | |
999 | /* FIXME: At this point gdb checks to combine pairs of 'p' and | |
1000 | 'r' stabs into a single 'P' stab. */ | |
252b5132 RH |
1001 | break; |
1002 | ||
1003 | case 'S': | |
7eb5191a | 1004 | /* Static symbol at top level of file. */ |
252b5132 RH |
1005 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
1006 | (debug_type **) NULL); | |
1007 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1008 | return FALSE; |
252b5132 RH |
1009 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_STATIC, |
1010 | value)) | |
b34976b6 | 1011 | return FALSE; |
252b5132 RH |
1012 | break; |
1013 | ||
1014 | case 't': | |
1015 | /* A typedef. */ | |
1016 | dtype = parse_stab_type (dhandle, info, name, &p, &slot); | |
1017 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1018 | return FALSE; |
252b5132 RH |
1019 | if (name == NULL) |
1020 | { | |
1021 | /* A nameless type. Nothing to do. */ | |
b34976b6 | 1022 | return TRUE; |
252b5132 RH |
1023 | } |
1024 | ||
1025 | dtype = debug_name_type (dhandle, name, dtype); | |
1026 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1027 | return FALSE; |
252b5132 RH |
1028 | |
1029 | if (slot != NULL) | |
1030 | *slot = dtype; | |
1031 | ||
1032 | break; | |
1033 | ||
1034 | case 'T': | |
1035 | /* Struct, union, or enum tag. For GNU C++, this can be be followed | |
1036 | by 't' which means we are typedef'ing it as well. */ | |
1037 | if (*p != 't') | |
1038 | { | |
b34976b6 AM |
1039 | synonym = FALSE; |
1040 | /* FIXME: gdb sets synonym to TRUE if the current language | |
252b5132 RH |
1041 | is C++. */ |
1042 | } | |
1043 | else | |
1044 | { | |
b34976b6 | 1045 | synonym = TRUE; |
252b5132 RH |
1046 | ++p; |
1047 | } | |
1048 | ||
1049 | dtype = parse_stab_type (dhandle, info, name, &p, &slot); | |
1050 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1051 | return FALSE; |
252b5132 | 1052 | if (name == NULL) |
b34976b6 | 1053 | return TRUE; |
252b5132 RH |
1054 | |
1055 | /* INFO->SELF_CROSSREF is set by parse_stab_type if this type is | |
1056 | a cross reference to itself. These are generated by some | |
1057 | versions of g++. */ | |
1058 | self_crossref = info->self_crossref; | |
1059 | ||
1060 | dtype = debug_tag_type (dhandle, name, dtype); | |
1061 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1062 | return FALSE; |
252b5132 RH |
1063 | if (slot != NULL) |
1064 | *slot = dtype; | |
1065 | ||
1066 | /* See if we have a cross reference to this tag which we can now | |
1067 | fill in. Avoid filling in a cross reference to ourselves, | |
1068 | because that would lead to circular debugging information. */ | |
1069 | if (! self_crossref) | |
1070 | { | |
1071 | register struct stab_tag **pst; | |
1072 | ||
1073 | for (pst = &info->tags; *pst != NULL; pst = &(*pst)->next) | |
1074 | { | |
1075 | if ((*pst)->name[0] == name[0] | |
1076 | && strcmp ((*pst)->name, name) == 0) | |
1077 | { | |
1078 | (*pst)->slot = dtype; | |
1079 | *pst = (*pst)->next; | |
1080 | break; | |
1081 | } | |
1082 | } | |
1083 | } | |
1084 | ||
1085 | if (synonym) | |
1086 | { | |
1087 | dtype = debug_name_type (dhandle, name, dtype); | |
1088 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1089 | return FALSE; |
252b5132 RH |
1090 | |
1091 | if (slot != NULL) | |
1092 | *slot = dtype; | |
1093 | } | |
1094 | ||
1095 | break; | |
1096 | ||
1097 | case 'V': | |
1098 | /* Static symbol of local scope */ | |
1099 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1100 | (debug_type **) NULL); | |
1101 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1102 | return FALSE; |
252b5132 RH |
1103 | /* FIXME: gdb checks os9k_stabs here. */ |
1104 | if (! stab_record_variable (dhandle, info, name, dtype, | |
1105 | DEBUG_LOCAL_STATIC, value)) | |
b34976b6 | 1106 | return FALSE; |
252b5132 RH |
1107 | break; |
1108 | ||
1109 | case 'v': | |
1110 | /* Reference parameter. */ | |
1111 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1112 | (debug_type **) NULL); | |
1113 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1114 | return FALSE; |
252b5132 RH |
1115 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REFERENCE, |
1116 | value)) | |
b34976b6 | 1117 | return FALSE; |
252b5132 RH |
1118 | break; |
1119 | ||
1120 | case 'a': | |
1121 | /* Reference parameter which is in a register. */ | |
1122 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1123 | (debug_type **) NULL); | |
1124 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1125 | return FALSE; |
252b5132 RH |
1126 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REF_REG, |
1127 | value)) | |
b34976b6 | 1128 | return FALSE; |
252b5132 RH |
1129 | break; |
1130 | ||
1131 | case 'X': | |
1132 | /* This is used by Sun FORTRAN for "function result value". | |
1133 | Sun claims ("dbx and dbxtool interfaces", 2nd ed) | |
1134 | that Pascal uses it too, but when I tried it Pascal used | |
1135 | "x:3" (local symbol) instead. */ | |
1136 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1137 | (debug_type **) NULL); | |
1138 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1139 | return FALSE; |
252b5132 RH |
1140 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_LOCAL, |
1141 | value)) | |
b34976b6 | 1142 | return FALSE; |
252b5132 RH |
1143 | break; |
1144 | ||
1145 | default: | |
1146 | bad_stab (string); | |
b34976b6 | 1147 | return FALSE; |
252b5132 RH |
1148 | } |
1149 | ||
1150 | /* FIXME: gdb converts structure values to structure pointers in a | |
1151 | couple of cases, depending upon the target. */ | |
1152 | ||
b34976b6 | 1153 | return TRUE; |
252b5132 RH |
1154 | } |
1155 | ||
1156 | /* Parse a stabs type. The typename argument is non-NULL if this is a | |
1157 | typedef or a tag definition. The pp argument points to the stab | |
1158 | string, and is updated. The slotp argument points to a place to | |
1159 | store the slot used if the type is being defined. */ | |
1160 | ||
1161 | static debug_type | |
1162 | parse_stab_type (dhandle, info, typename, pp, slotp) | |
1163 | PTR dhandle; | |
1164 | struct stab_handle *info; | |
1165 | const char *typename; | |
1166 | const char **pp; | |
1167 | debug_type **slotp; | |
1168 | { | |
1169 | const char *orig; | |
1170 | int typenums[2]; | |
1171 | int size; | |
b34976b6 | 1172 | bfd_boolean stringp; |
252b5132 RH |
1173 | int descriptor; |
1174 | debug_type dtype; | |
1175 | ||
1176 | if (slotp != NULL) | |
1177 | *slotp = NULL; | |
1178 | ||
1179 | orig = *pp; | |
1180 | ||
1181 | size = -1; | |
b34976b6 | 1182 | stringp = FALSE; |
252b5132 | 1183 | |
b34976b6 | 1184 | info->self_crossref = FALSE; |
252b5132 RH |
1185 | |
1186 | /* Read type number if present. The type number may be omitted. | |
1187 | for instance in a two-dimensional array declared with type | |
1188 | "ar1;1;10;ar1;1;10;4". */ | |
3882b010 | 1189 | if (! ISDIGIT (**pp) && **pp != '(' && **pp != '-') |
252b5132 RH |
1190 | { |
1191 | /* 'typenums=' not present, type is anonymous. Read and return | |
1192 | the definition, but don't put it in the type vector. */ | |
1193 | typenums[0] = typenums[1] = -1; | |
1194 | } | |
1195 | else | |
1196 | { | |
1197 | if (! parse_stab_type_number (pp, typenums)) | |
1198 | return DEBUG_TYPE_NULL; | |
1199 | ||
1200 | if (**pp != '=') | |
7eb5191a NC |
1201 | /* Type is not being defined here. Either it already |
1202 | exists, or this is a forward reference to it. */ | |
1203 | return stab_find_type (dhandle, info, typenums); | |
252b5132 RH |
1204 | |
1205 | /* Only set the slot if the type is being defined. This means | |
1206 | that the mapping from type numbers to types will only record | |
1207 | the name of the typedef which defines a type. If we don't do | |
1208 | this, then something like | |
1209 | typedef int foo; | |
1210 | int i; | |
1211 | will record that i is of type foo. Unfortunately, stabs | |
1212 | information is ambiguous about variable types. For this code, | |
1213 | typedef int foo; | |
1214 | int i; | |
1215 | foo j; | |
1216 | the stabs information records both i and j as having the same | |
1217 | type. This could be fixed by patching the compiler. */ | |
1218 | if (slotp != NULL && typenums[0] >= 0 && typenums[1] >= 0) | |
1219 | *slotp = stab_find_slot (info, typenums); | |
1220 | ||
1221 | /* Type is being defined here. */ | |
1222 | /* Skip the '='. */ | |
1223 | ++*pp; | |
1224 | ||
1225 | while (**pp == '@') | |
1226 | { | |
1227 | const char *p = *pp + 1; | |
1228 | const char *attr; | |
1229 | ||
3882b010 | 1230 | if (ISDIGIT (*p) || *p == '(' || *p == '-') |
7eb5191a NC |
1231 | /* Member type. */ |
1232 | break; | |
252b5132 RH |
1233 | |
1234 | /* Type attributes. */ | |
1235 | attr = p; | |
1236 | ||
1237 | for (; *p != ';'; ++p) | |
1238 | { | |
1239 | if (*p == '\0') | |
1240 | { | |
1241 | bad_stab (orig); | |
1242 | return DEBUG_TYPE_NULL; | |
1243 | } | |
1244 | } | |
1245 | *pp = p + 1; | |
1246 | ||
1247 | switch (*attr) | |
1248 | { | |
1249 | case 's': | |
1250 | size = atoi (attr + 1); | |
944e5c61 | 1251 | size /= 8; /* Size is in bits. We store it in bytes. */ |
252b5132 RH |
1252 | if (size <= 0) |
1253 | size = -1; | |
1254 | break; | |
1255 | ||
1256 | case 'S': | |
b34976b6 | 1257 | stringp = TRUE; |
252b5132 RH |
1258 | break; |
1259 | ||
1260 | default: | |
1261 | /* Ignore unrecognized type attributes, so future | |
1262 | compilers can invent new ones. */ | |
1263 | break; | |
1264 | } | |
1265 | } | |
1266 | } | |
1267 | ||
1268 | descriptor = **pp; | |
1269 | ++*pp; | |
1270 | ||
1271 | switch (descriptor) | |
1272 | { | |
1273 | case 'x': | |
1274 | { | |
1275 | enum debug_type_kind code; | |
1276 | const char *q1, *q2, *p; | |
1277 | ||
1278 | /* A cross reference to another type. */ | |
252b5132 RH |
1279 | switch (**pp) |
1280 | { | |
1281 | case 's': | |
1282 | code = DEBUG_KIND_STRUCT; | |
1283 | break; | |
1284 | case 'u': | |
1285 | code = DEBUG_KIND_UNION; | |
1286 | break; | |
1287 | case 'e': | |
1288 | code = DEBUG_KIND_ENUM; | |
1289 | break; | |
1290 | default: | |
1291 | /* Complain and keep going, so compilers can invent new | |
1292 | cross-reference types. */ | |
1293 | warn_stab (orig, _("unrecognized cross reference type")); | |
1294 | code = DEBUG_KIND_STRUCT; | |
1295 | break; | |
1296 | } | |
1297 | ++*pp; | |
1298 | ||
1299 | q1 = strchr (*pp, '<'); | |
1300 | p = strchr (*pp, ':'); | |
1301 | if (p == NULL) | |
1302 | { | |
1303 | bad_stab (orig); | |
1304 | return DEBUG_TYPE_NULL; | |
1305 | } | |
c602a165 | 1306 | if (q1 != NULL && p > q1 && p[1] == ':') |
252b5132 | 1307 | { |
c602a165 ILT |
1308 | int nest = 0; |
1309 | ||
1310 | for (q2 = q1; *q2 != '\0'; ++q2) | |
1311 | { | |
1312 | if (*q2 == '<') | |
1313 | ++nest; | |
1314 | else if (*q2 == '>') | |
1315 | --nest; | |
1316 | else if (*q2 == ':' && nest == 0) | |
1317 | break; | |
1318 | } | |
1319 | p = q2; | |
1320 | if (*p != ':') | |
252b5132 RH |
1321 | { |
1322 | bad_stab (orig); | |
1323 | return DEBUG_TYPE_NULL; | |
1324 | } | |
1325 | } | |
1326 | ||
1327 | /* Some versions of g++ can emit stabs like | |
1328 | fleep:T20=xsfleep: | |
1329 | which define structures in terms of themselves. We need to | |
1330 | tell the caller to avoid building a circular structure. */ | |
1331 | if (typename != NULL | |
1332 | && strncmp (typename, *pp, p - *pp) == 0 | |
1333 | && typename[p - *pp] == '\0') | |
b34976b6 | 1334 | info->self_crossref = TRUE; |
252b5132 RH |
1335 | |
1336 | dtype = stab_find_tagged_type (dhandle, info, *pp, p - *pp, code); | |
1337 | ||
1338 | *pp = p + 1; | |
1339 | } | |
1340 | break; | |
1341 | ||
1342 | case '-': | |
1343 | case '0': | |
1344 | case '1': | |
1345 | case '2': | |
1346 | case '3': | |
1347 | case '4': | |
1348 | case '5': | |
1349 | case '6': | |
1350 | case '7': | |
1351 | case '8': | |
1352 | case '9': | |
1353 | case '(': | |
1354 | { | |
1355 | const char *hold; | |
1356 | int xtypenums[2]; | |
1357 | ||
1358 | /* This type is defined as another type. */ | |
252b5132 RH |
1359 | (*pp)--; |
1360 | hold = *pp; | |
1361 | ||
1362 | /* Peek ahead at the number to detect void. */ | |
1363 | if (! parse_stab_type_number (pp, xtypenums)) | |
1364 | return DEBUG_TYPE_NULL; | |
1365 | ||
1366 | if (typenums[0] == xtypenums[0] && typenums[1] == xtypenums[1]) | |
1367 | { | |
1368 | /* This type is being defined as itself, which means that | |
1369 | it is void. */ | |
1370 | dtype = debug_make_void_type (dhandle); | |
1371 | } | |
1372 | else | |
1373 | { | |
1374 | *pp = hold; | |
1375 | ||
1376 | /* Go back to the number and have parse_stab_type get it. | |
1377 | This means that we can deal with something like | |
1378 | t(1,2)=(3,4)=... which the Lucid compiler uses. */ | |
1379 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
1380 | pp, (debug_type **) NULL); | |
1381 | if (dtype == DEBUG_TYPE_NULL) | |
1382 | return DEBUG_TYPE_NULL; | |
1383 | } | |
1384 | ||
1385 | if (typenums[0] != -1) | |
1386 | { | |
1387 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1388 | return DEBUG_TYPE_NULL; | |
1389 | } | |
1390 | ||
1391 | break; | |
1392 | } | |
1393 | ||
1394 | case '*': | |
1395 | dtype = debug_make_pointer_type (dhandle, | |
1396 | parse_stab_type (dhandle, info, | |
1397 | (const char *) NULL, | |
1398 | pp, | |
1399 | (debug_type **) NULL)); | |
1400 | break; | |
1401 | ||
1402 | case '&': | |
1403 | /* Reference to another type. */ | |
1404 | dtype = (debug_make_reference_type | |
1405 | (dhandle, | |
1406 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1407 | (debug_type **) NULL))); | |
1408 | break; | |
1409 | ||
1410 | case 'f': | |
1411 | /* Function returning another type. */ | |
1412 | /* FIXME: gdb checks os9k_stabs here. */ | |
1413 | dtype = (debug_make_function_type | |
1414 | (dhandle, | |
1415 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1416 | (debug_type **) NULL), | |
b34976b6 | 1417 | (debug_type *) NULL, FALSE)); |
252b5132 RH |
1418 | break; |
1419 | ||
1420 | case 'k': | |
1421 | /* Const qualifier on some type (Sun). */ | |
1422 | /* FIXME: gdb accepts 'c' here if os9k_stabs. */ | |
1423 | dtype = debug_make_const_type (dhandle, | |
1424 | parse_stab_type (dhandle, info, | |
1425 | (const char *) NULL, | |
1426 | pp, | |
1427 | (debug_type **) NULL)); | |
1428 | break; | |
1429 | ||
1430 | case 'B': | |
1431 | /* Volatile qual on some type (Sun). */ | |
1432 | /* FIXME: gdb accepts 'i' here if os9k_stabs. */ | |
1433 | dtype = (debug_make_volatile_type | |
1434 | (dhandle, | |
1435 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1436 | (debug_type **) NULL))); | |
1437 | break; | |
1438 | ||
1439 | case '@': | |
1440 | /* Offset (class & variable) type. This is used for a pointer | |
1441 | relative to an object. */ | |
1442 | { | |
1443 | debug_type domain; | |
1444 | debug_type memtype; | |
1445 | ||
1446 | /* Member type. */ | |
1447 | ||
1448 | domain = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1449 | (debug_type **) NULL); | |
1450 | if (domain == DEBUG_TYPE_NULL) | |
1451 | return DEBUG_TYPE_NULL; | |
1452 | ||
1453 | if (**pp != ',') | |
1454 | { | |
1455 | bad_stab (orig); | |
1456 | return DEBUG_TYPE_NULL; | |
1457 | } | |
1458 | ++*pp; | |
1459 | ||
1460 | memtype = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1461 | (debug_type **) NULL); | |
1462 | if (memtype == DEBUG_TYPE_NULL) | |
1463 | return DEBUG_TYPE_NULL; | |
1464 | ||
1465 | dtype = debug_make_offset_type (dhandle, domain, memtype); | |
1466 | } | |
1467 | break; | |
1468 | ||
1469 | case '#': | |
1470 | /* Method (class & fn) type. */ | |
1471 | if (**pp == '#') | |
1472 | { | |
1473 | debug_type return_type; | |
1474 | ||
1475 | ++*pp; | |
1476 | return_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1477 | pp, (debug_type **) NULL); | |
1478 | if (return_type == DEBUG_TYPE_NULL) | |
1479 | return DEBUG_TYPE_NULL; | |
1480 | if (**pp != ';') | |
1481 | { | |
1482 | bad_stab (orig); | |
1483 | return DEBUG_TYPE_NULL; | |
1484 | } | |
1485 | ++*pp; | |
1486 | dtype = debug_make_method_type (dhandle, return_type, | |
1487 | DEBUG_TYPE_NULL, | |
b34976b6 | 1488 | (debug_type *) NULL, FALSE); |
252b5132 RH |
1489 | } |
1490 | else | |
1491 | { | |
1492 | debug_type domain; | |
1493 | debug_type return_type; | |
1494 | debug_type *args; | |
1495 | unsigned int n; | |
1496 | unsigned int alloc; | |
b34976b6 | 1497 | bfd_boolean varargs; |
252b5132 RH |
1498 | |
1499 | domain = parse_stab_type (dhandle, info, (const char *) NULL, | |
1500 | pp, (debug_type **) NULL); | |
1501 | if (domain == DEBUG_TYPE_NULL) | |
1502 | return DEBUG_TYPE_NULL; | |
1503 | ||
1504 | if (**pp != ',') | |
1505 | { | |
1506 | bad_stab (orig); | |
1507 | return DEBUG_TYPE_NULL; | |
1508 | } | |
1509 | ++*pp; | |
1510 | ||
1511 | return_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1512 | pp, (debug_type **) NULL); | |
1513 | if (return_type == DEBUG_TYPE_NULL) | |
1514 | return DEBUG_TYPE_NULL; | |
1515 | ||
1516 | alloc = 10; | |
1517 | args = (debug_type *) xmalloc (alloc * sizeof *args); | |
1518 | n = 0; | |
1519 | while (**pp != ';') | |
1520 | { | |
1521 | if (**pp != ',') | |
1522 | { | |
1523 | bad_stab (orig); | |
1524 | return DEBUG_TYPE_NULL; | |
1525 | } | |
1526 | ++*pp; | |
1527 | ||
1528 | if (n + 1 >= alloc) | |
1529 | { | |
1530 | alloc += 10; | |
1531 | args = ((debug_type *) | |
1532 | xrealloc ((PTR) args, alloc * sizeof *args)); | |
1533 | } | |
1534 | ||
1535 | args[n] = parse_stab_type (dhandle, info, (const char *) NULL, | |
1536 | pp, (debug_type **) NULL); | |
1537 | if (args[n] == DEBUG_TYPE_NULL) | |
1538 | return DEBUG_TYPE_NULL; | |
1539 | ++n; | |
1540 | } | |
1541 | ++*pp; | |
1542 | ||
1543 | /* If the last type is not void, then this function takes a | |
1544 | variable number of arguments. Otherwise, we must strip | |
1545 | the void type. */ | |
1546 | if (n == 0 | |
1547 | || debug_get_type_kind (dhandle, args[n - 1]) != DEBUG_KIND_VOID) | |
b34976b6 | 1548 | varargs = TRUE; |
252b5132 RH |
1549 | else |
1550 | { | |
1551 | --n; | |
b34976b6 | 1552 | varargs = FALSE; |
252b5132 RH |
1553 | } |
1554 | ||
1555 | args[n] = DEBUG_TYPE_NULL; | |
1556 | ||
1557 | dtype = debug_make_method_type (dhandle, return_type, domain, args, | |
1558 | varargs); | |
1559 | } | |
1560 | break; | |
1561 | ||
1562 | case 'r': | |
1563 | /* Range type. */ | |
1564 | dtype = parse_stab_range_type (dhandle, info, typename, pp, typenums); | |
1565 | break; | |
1566 | ||
1567 | case 'b': | |
1568 | /* FIXME: gdb checks os9k_stabs here. */ | |
1569 | /* Sun ACC builtin int type. */ | |
1570 | dtype = parse_stab_sun_builtin_type (dhandle, pp); | |
1571 | break; | |
1572 | ||
1573 | case 'R': | |
1574 | /* Sun ACC builtin float type. */ | |
1575 | dtype = parse_stab_sun_floating_type (dhandle, pp); | |
1576 | break; | |
1577 | ||
1578 | case 'e': | |
1579 | /* Enumeration type. */ | |
1580 | dtype = parse_stab_enum_type (dhandle, pp); | |
1581 | break; | |
1582 | ||
1583 | case 's': | |
1584 | case 'u': | |
1585 | /* Struct or union type. */ | |
1586 | dtype = parse_stab_struct_type (dhandle, info, typename, pp, | |
1587 | descriptor == 's', typenums); | |
1588 | break; | |
1589 | ||
1590 | case 'a': | |
1591 | /* Array type. */ | |
1592 | if (**pp != 'r') | |
1593 | { | |
1594 | bad_stab (orig); | |
1595 | return DEBUG_TYPE_NULL; | |
1596 | } | |
1597 | ++*pp; | |
1598 | ||
1599 | dtype = parse_stab_array_type (dhandle, info, pp, stringp); | |
1600 | break; | |
1601 | ||
1602 | case 'S': | |
1603 | dtype = debug_make_set_type (dhandle, | |
1604 | parse_stab_type (dhandle, info, | |
1605 | (const char *) NULL, | |
1606 | pp, | |
1607 | (debug_type **) NULL), | |
1608 | stringp); | |
1609 | break; | |
1610 | ||
1611 | default: | |
1612 | bad_stab (orig); | |
1613 | return DEBUG_TYPE_NULL; | |
1614 | } | |
1615 | ||
1616 | if (dtype == DEBUG_TYPE_NULL) | |
1617 | return DEBUG_TYPE_NULL; | |
1618 | ||
1619 | if (typenums[0] != -1) | |
1620 | { | |
1621 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1622 | return DEBUG_TYPE_NULL; | |
1623 | } | |
1624 | ||
1625 | if (size != -1) | |
1626 | { | |
1627 | if (! debug_record_type_size (dhandle, dtype, (unsigned int) size)) | |
3dceb55b | 1628 | return DEBUG_TYPE_NULL; |
252b5132 RH |
1629 | } |
1630 | ||
1631 | return dtype; | |
1632 | } | |
1633 | ||
1634 | /* Read a number by which a type is referred to in dbx data, or | |
1635 | perhaps read a pair (FILENUM, TYPENUM) in parentheses. Just a | |
1636 | single number N is equivalent to (0,N). Return the two numbers by | |
1637 | storing them in the vector TYPENUMS. */ | |
1638 | ||
b34976b6 | 1639 | static bfd_boolean |
252b5132 RH |
1640 | parse_stab_type_number (pp, typenums) |
1641 | const char **pp; | |
1642 | int *typenums; | |
1643 | { | |
1644 | const char *orig; | |
1645 | ||
1646 | orig = *pp; | |
1647 | ||
1648 | if (**pp != '(') | |
1649 | { | |
1650 | typenums[0] = 0; | |
b34976b6 | 1651 | typenums[1] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1652 | } |
1653 | else | |
1654 | { | |
1655 | ++*pp; | |
b34976b6 | 1656 | typenums[0] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1657 | if (**pp != ',') |
1658 | { | |
1659 | bad_stab (orig); | |
b34976b6 | 1660 | return FALSE; |
252b5132 RH |
1661 | } |
1662 | ++*pp; | |
b34976b6 | 1663 | typenums[1] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1664 | if (**pp != ')') |
1665 | { | |
1666 | bad_stab (orig); | |
b34976b6 | 1667 | return FALSE; |
252b5132 RH |
1668 | } |
1669 | ++*pp; | |
1670 | } | |
1671 | ||
b34976b6 | 1672 | return TRUE; |
252b5132 RH |
1673 | } |
1674 | ||
1675 | /* Parse a range type. */ | |
1676 | ||
1677 | static debug_type | |
1678 | parse_stab_range_type (dhandle, info, typename, pp, typenums) | |
1679 | PTR dhandle; | |
1680 | struct stab_handle *info; | |
1681 | const char *typename; | |
1682 | const char **pp; | |
1683 | const int *typenums; | |
1684 | { | |
1685 | const char *orig; | |
1686 | int rangenums[2]; | |
b34976b6 | 1687 | bfd_boolean self_subrange; |
252b5132 RH |
1688 | debug_type index_type; |
1689 | const char *s2, *s3; | |
1690 | bfd_signed_vma n2, n3; | |
b34976b6 | 1691 | bfd_boolean ov2, ov3; |
252b5132 RH |
1692 | |
1693 | orig = *pp; | |
1694 | ||
1695 | index_type = DEBUG_TYPE_NULL; | |
1696 | ||
1697 | /* First comes a type we are a subrange of. | |
1698 | In C it is usually 0, 1 or the type being defined. */ | |
1699 | if (! parse_stab_type_number (pp, rangenums)) | |
1700 | return DEBUG_TYPE_NULL; | |
1701 | ||
1702 | self_subrange = (rangenums[0] == typenums[0] | |
1703 | && rangenums[1] == typenums[1]); | |
1704 | ||
1705 | if (**pp == '=') | |
1706 | { | |
1707 | *pp = orig; | |
1708 | index_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1709 | pp, (debug_type **) NULL); | |
1710 | if (index_type == DEBUG_TYPE_NULL) | |
1711 | return DEBUG_TYPE_NULL; | |
1712 | } | |
1713 | ||
1714 | if (**pp == ';') | |
1715 | ++*pp; | |
1716 | ||
1717 | /* The remaining two operands are usually lower and upper bounds of | |
1718 | the range. But in some special cases they mean something else. */ | |
1719 | s2 = *pp; | |
1720 | n2 = parse_number (pp, &ov2); | |
1721 | if (**pp != ';') | |
1722 | { | |
1723 | bad_stab (orig); | |
1724 | return DEBUG_TYPE_NULL; | |
1725 | } | |
1726 | ++*pp; | |
1727 | ||
1728 | s3 = *pp; | |
1729 | n3 = parse_number (pp, &ov3); | |
1730 | if (**pp != ';') | |
1731 | { | |
1732 | bad_stab (orig); | |
1733 | return DEBUG_TYPE_NULL; | |
1734 | } | |
1735 | ++*pp; | |
1736 | ||
1737 | if (ov2 || ov3) | |
1738 | { | |
1739 | /* gcc will emit range stabs for long long types. Handle this | |
1740 | as a special case. FIXME: This needs to be more general. */ | |
7eb5191a NC |
1741 | #define LLLOW "01000000000000000000000;" |
1742 | #define LLHIGH "0777777777777777777777;" | |
252b5132 RH |
1743 | #define ULLHIGH "01777777777777777777777;" |
1744 | if (index_type == DEBUG_TYPE_NULL) | |
1745 | { | |
1746 | if (strncmp (s2, LLLOW, sizeof LLLOW - 1) == 0 | |
1747 | && strncmp (s3, LLHIGH, sizeof LLHIGH - 1) == 0) | |
b34976b6 | 1748 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
1749 | if (! ov2 |
1750 | && n2 == 0 | |
1751 | && strncmp (s3, ULLHIGH, sizeof ULLHIGH - 1) == 0) | |
b34976b6 | 1752 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1753 | } |
1754 | ||
1755 | warn_stab (orig, _("numeric overflow")); | |
1756 | } | |
1757 | ||
1758 | if (index_type == DEBUG_TYPE_NULL) | |
1759 | { | |
1760 | /* A type defined as a subrange of itself, with both bounds 0, | |
1761 | is void. */ | |
1762 | if (self_subrange && n2 == 0 && n3 == 0) | |
1763 | return debug_make_void_type (dhandle); | |
1764 | ||
1765 | /* A type defined as a subrange of itself, with n2 positive and | |
1766 | n3 zero, is a complex type, and n2 is the number of bytes. */ | |
1767 | if (self_subrange && n3 == 0 && n2 > 0) | |
1768 | return debug_make_complex_type (dhandle, n2); | |
1769 | ||
1770 | /* If n3 is zero and n2 is positive, this is a floating point | |
1771 | type, and n2 is the number of bytes. */ | |
1772 | if (n3 == 0 && n2 > 0) | |
1773 | return debug_make_float_type (dhandle, n2); | |
1774 | ||
1775 | /* If the upper bound is -1, this is an unsigned int. */ | |
1776 | if (n2 == 0 && n3 == -1) | |
1777 | { | |
1778 | /* When gcc is used with -gstabs, but not -gstabs+, it will emit | |
1779 | long long int:t6=r1;0;-1; | |
1780 | long long unsigned int:t7=r1;0;-1; | |
1781 | We hack here to handle this reasonably. */ | |
1782 | if (typename != NULL) | |
1783 | { | |
1784 | if (strcmp (typename, "long long int") == 0) | |
b34976b6 | 1785 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 | 1786 | else if (strcmp (typename, "long long unsigned int") == 0) |
b34976b6 | 1787 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1788 | } |
1789 | /* FIXME: The size here really depends upon the target. */ | |
b34976b6 | 1790 | return debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
1791 | } |
1792 | ||
1793 | /* A range of 0 to 127 is char. */ | |
1794 | if (self_subrange && n2 == 0 && n3 == 127) | |
b34976b6 | 1795 | return debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
1796 | |
1797 | /* FIXME: gdb checks for the language CHILL here. */ | |
1798 | ||
1799 | if (n2 == 0) | |
1800 | { | |
1801 | if (n3 < 0) | |
b34976b6 | 1802 | return debug_make_int_type (dhandle, - n3, TRUE); |
252b5132 | 1803 | else if (n3 == 0xff) |
b34976b6 | 1804 | return debug_make_int_type (dhandle, 1, TRUE); |
252b5132 | 1805 | else if (n3 == 0xffff) |
b34976b6 | 1806 | return debug_make_int_type (dhandle, 2, TRUE); |
b4c96d0d | 1807 | else if (n3 == (bfd_signed_vma) 0xffffffff) |
b34976b6 | 1808 | return debug_make_int_type (dhandle, 4, TRUE); |
252b5132 | 1809 | #ifdef BFD64 |
3c9f43b1 | 1810 | else if (n3 == ((((bfd_signed_vma) 0xffffffff) << 32) | 0xffffffff)) |
b34976b6 | 1811 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1812 | #endif |
1813 | } | |
1814 | else if (n3 == 0 | |
1815 | && n2 < 0 | |
1816 | && (self_subrange || n2 == -8)) | |
b34976b6 | 1817 | return debug_make_int_type (dhandle, - n2, TRUE); |
252b5132 RH |
1818 | else if (n2 == - n3 - 1 || n2 == n3 + 1) |
1819 | { | |
1820 | if (n3 == 0x7f) | |
b34976b6 | 1821 | return debug_make_int_type (dhandle, 1, FALSE); |
252b5132 | 1822 | else if (n3 == 0x7fff) |
b34976b6 | 1823 | return debug_make_int_type (dhandle, 2, FALSE); |
252b5132 | 1824 | else if (n3 == 0x7fffffff) |
b34976b6 | 1825 | return debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
1826 | #ifdef BFD64 |
1827 | else if (n3 == ((((bfd_vma) 0x7fffffff) << 32) | 0xffffffff)) | |
b34976b6 | 1828 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
1829 | #endif |
1830 | } | |
1831 | } | |
1832 | ||
1833 | /* At this point I don't have the faintest idea how to deal with a | |
1834 | self_subrange type; I'm going to assume that this is used as an | |
1835 | idiom, and that all of them are special cases. So . . . */ | |
1836 | if (self_subrange) | |
1837 | { | |
1838 | bad_stab (orig); | |
1839 | return DEBUG_TYPE_NULL; | |
1840 | } | |
1841 | ||
1842 | index_type = stab_find_type (dhandle, info, rangenums); | |
1843 | if (index_type == DEBUG_TYPE_NULL) | |
1844 | { | |
1845 | /* Does this actually ever happen? Is that why we are worrying | |
1846 | about dealing with it rather than just calling error_type? */ | |
1847 | warn_stab (orig, _("missing index type")); | |
b34976b6 | 1848 | index_type = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
1849 | } |
1850 | ||
1851 | return debug_make_range_type (dhandle, index_type, n2, n3); | |
1852 | } | |
1853 | ||
1854 | /* Sun's ACC uses a somewhat saner method for specifying the builtin | |
1855 | typedefs in every file (for int, long, etc): | |
1856 | ||
1857 | type = b <signed> <width>; <offset>; <nbits> | |
1858 | signed = u or s. Possible c in addition to u or s (for char?). | |
1859 | offset = offset from high order bit to start bit of type. | |
1860 | width is # bytes in object of this type, nbits is # bits in type. | |
1861 | ||
1862 | The width/offset stuff appears to be for small objects stored in | |
1863 | larger ones (e.g. `shorts' in `int' registers). We ignore it for now, | |
1864 | FIXME. */ | |
1865 | ||
1866 | static debug_type | |
1867 | parse_stab_sun_builtin_type (dhandle, pp) | |
1868 | PTR dhandle; | |
1869 | const char **pp; | |
1870 | { | |
1871 | const char *orig; | |
b34976b6 | 1872 | bfd_boolean unsignedp; |
252b5132 RH |
1873 | bfd_vma bits; |
1874 | ||
1875 | orig = *pp; | |
1876 | ||
1877 | switch (**pp) | |
1878 | { | |
1879 | case 's': | |
b34976b6 | 1880 | unsignedp = FALSE; |
252b5132 RH |
1881 | break; |
1882 | case 'u': | |
b34976b6 | 1883 | unsignedp = TRUE; |
252b5132 RH |
1884 | break; |
1885 | default: | |
1886 | bad_stab (orig); | |
1887 | return DEBUG_TYPE_NULL; | |
1888 | } | |
1889 | ++*pp; | |
1890 | ||
1891 | /* For some odd reason, all forms of char put a c here. This is strange | |
1892 | because no other type has this honor. We can safely ignore this because | |
1893 | we actually determine 'char'acterness by the number of bits specified in | |
1894 | the descriptor. */ | |
1895 | if (**pp == 'c') | |
1896 | ++*pp; | |
1897 | ||
1898 | /* The first number appears to be the number of bytes occupied | |
1899 | by this type, except that unsigned short is 4 instead of 2. | |
1900 | Since this information is redundant with the third number, | |
1901 | we will ignore it. */ | |
b34976b6 | 1902 | (void) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1903 | if (**pp != ';') |
1904 | { | |
1905 | bad_stab (orig); | |
1906 | return DEBUG_TYPE_NULL; | |
1907 | } | |
1908 | ++*pp; | |
1909 | ||
9f66665a | 1910 | /* The second number is always 0, so ignore it too. */ |
b34976b6 | 1911 | (void) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1912 | if (**pp != ';') |
1913 | { | |
1914 | bad_stab (orig); | |
1915 | return DEBUG_TYPE_NULL; | |
1916 | } | |
1917 | ++*pp; | |
1918 | ||
9f66665a | 1919 | /* The third number is the number of bits for this type. */ |
b34976b6 | 1920 | bits = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1921 | |
1922 | /* The type *should* end with a semicolon. If it are embedded | |
1923 | in a larger type the semicolon may be the only way to know where | |
1924 | the type ends. If this type is at the end of the stabstring we | |
1925 | can deal with the omitted semicolon (but we don't have to like | |
1926 | it). Don't bother to complain(), Sun's compiler omits the semicolon | |
1927 | for "void". */ | |
1928 | if (**pp == ';') | |
1929 | ++*pp; | |
1930 | ||
1931 | if (bits == 0) | |
1932 | return debug_make_void_type (dhandle); | |
1933 | ||
1934 | return debug_make_int_type (dhandle, bits / 8, unsignedp); | |
1935 | } | |
1936 | ||
1937 | /* Parse a builtin floating type generated by the Sun compiler. */ | |
1938 | ||
1939 | static debug_type | |
1940 | parse_stab_sun_floating_type (dhandle, pp) | |
1941 | PTR dhandle; | |
1942 | const char **pp; | |
1943 | { | |
1944 | const char *orig; | |
1945 | bfd_vma details; | |
1946 | bfd_vma bytes; | |
1947 | ||
1948 | orig = *pp; | |
1949 | ||
1950 | /* The first number has more details about the type, for example | |
1951 | FN_COMPLEX. */ | |
b34976b6 | 1952 | details = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1953 | if (**pp != ';') |
1954 | { | |
1955 | bad_stab (orig); | |
1956 | return DEBUG_TYPE_NULL; | |
1957 | } | |
1958 | ||
1959 | /* The second number is the number of bytes occupied by this type */ | |
b34976b6 | 1960 | bytes = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1961 | if (**pp != ';') |
1962 | { | |
1963 | bad_stab (orig); | |
1964 | return DEBUG_TYPE_NULL; | |
1965 | } | |
1966 | ||
1967 | if (details == NF_COMPLEX | |
1968 | || details == NF_COMPLEX16 | |
1969 | || details == NF_COMPLEX32) | |
1970 | return debug_make_complex_type (dhandle, bytes); | |
1971 | ||
9f66665a | 1972 | return debug_make_float_type (dhandle, bytes); |
252b5132 RH |
1973 | } |
1974 | ||
1975 | /* Handle an enum type. */ | |
1976 | ||
1977 | static debug_type | |
1978 | parse_stab_enum_type (dhandle, pp) | |
1979 | PTR dhandle; | |
1980 | const char **pp; | |
1981 | { | |
1982 | const char *orig; | |
1983 | const char **names; | |
1984 | bfd_signed_vma *values; | |
1985 | unsigned int n; | |
1986 | unsigned int alloc; | |
1987 | ||
1988 | orig = *pp; | |
1989 | ||
1990 | /* FIXME: gdb checks os9k_stabs here. */ | |
1991 | ||
1992 | /* The aix4 compiler emits an extra field before the enum members; | |
1993 | my guess is it's a type of some sort. Just ignore it. */ | |
1994 | if (**pp == '-') | |
1995 | { | |
1996 | while (**pp != ':') | |
1997 | ++*pp; | |
1998 | ++*pp; | |
1999 | } | |
2000 | ||
2001 | /* Read the value-names and their values. | |
2002 | The input syntax is NAME:VALUE,NAME:VALUE, and so on. | |
2003 | A semicolon or comma instead of a NAME means the end. */ | |
2004 | alloc = 10; | |
2005 | names = (const char **) xmalloc (alloc * sizeof *names); | |
2006 | values = (bfd_signed_vma *) xmalloc (alloc * sizeof *values); | |
2007 | n = 0; | |
2008 | while (**pp != '\0' && **pp != ';' && **pp != ',') | |
2009 | { | |
2010 | const char *p; | |
2011 | char *name; | |
2012 | bfd_signed_vma val; | |
2013 | ||
2014 | p = *pp; | |
2015 | while (*p != ':') | |
2016 | ++p; | |
2017 | ||
2018 | name = savestring (*pp, p - *pp); | |
2019 | ||
2020 | *pp = p + 1; | |
b34976b6 | 2021 | val = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2022 | if (**pp != ',') |
2023 | { | |
2024 | bad_stab (orig); | |
2025 | return DEBUG_TYPE_NULL; | |
2026 | } | |
2027 | ++*pp; | |
2028 | ||
2029 | if (n + 1 >= alloc) | |
2030 | { | |
2031 | alloc += 10; | |
2032 | names = ((const char **) | |
2033 | xrealloc ((PTR) names, alloc * sizeof *names)); | |
2034 | values = ((bfd_signed_vma *) | |
2035 | xrealloc ((PTR) values, alloc * sizeof *values)); | |
2036 | } | |
2037 | ||
2038 | names[n] = name; | |
2039 | values[n] = val; | |
2040 | ++n; | |
2041 | } | |
2042 | ||
2043 | names[n] = NULL; | |
2044 | values[n] = 0; | |
2045 | ||
2046 | if (**pp == ';') | |
2047 | ++*pp; | |
2048 | ||
2049 | return debug_make_enum_type (dhandle, names, values); | |
2050 | } | |
2051 | ||
2052 | /* Read the description of a structure (or union type) and return an object | |
2053 | describing the type. | |
2054 | ||
2055 | PP points to a character pointer that points to the next unconsumed token | |
2056 | in the the stabs string. For example, given stabs "A:T4=s4a:1,0,32;;", | |
2057 | *PP will point to "4a:1,0,32;;". */ | |
2058 | ||
2059 | static debug_type | |
2060 | parse_stab_struct_type (dhandle, info, tagname, pp, structp, typenums) | |
2061 | PTR dhandle; | |
2062 | struct stab_handle *info; | |
2063 | const char *tagname; | |
2064 | const char **pp; | |
b34976b6 | 2065 | bfd_boolean structp; |
252b5132 RH |
2066 | const int *typenums; |
2067 | { | |
2068 | const char *orig; | |
2069 | bfd_vma size; | |
2070 | debug_baseclass *baseclasses; | |
2071 | debug_field *fields; | |
b34976b6 | 2072 | bfd_boolean statics; |
252b5132 RH |
2073 | debug_method *methods; |
2074 | debug_type vptrbase; | |
b34976b6 | 2075 | bfd_boolean ownvptr; |
252b5132 RH |
2076 | |
2077 | orig = *pp; | |
2078 | ||
2079 | /* Get the size. */ | |
b34976b6 | 2080 | size = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2081 | |
2082 | /* Get the other information. */ | |
2083 | if (! parse_stab_baseclasses (dhandle, info, pp, &baseclasses) | |
2084 | || ! parse_stab_struct_fields (dhandle, info, pp, &fields, &statics) | |
2085 | || ! parse_stab_members (dhandle, info, tagname, pp, typenums, &methods) | |
2086 | || ! parse_stab_tilde_field (dhandle, info, pp, typenums, &vptrbase, | |
2087 | &ownvptr)) | |
2088 | return DEBUG_TYPE_NULL; | |
2089 | ||
2090 | if (! statics | |
2091 | && baseclasses == NULL | |
2092 | && methods == NULL | |
2093 | && vptrbase == DEBUG_TYPE_NULL | |
2094 | && ! ownvptr) | |
2095 | return debug_make_struct_type (dhandle, structp, size, fields); | |
2096 | ||
2097 | return debug_make_object_type (dhandle, structp, size, fields, baseclasses, | |
2098 | methods, vptrbase, ownvptr); | |
2099 | } | |
2100 | ||
2101 | /* The stabs for C++ derived classes contain baseclass information which | |
2102 | is marked by a '!' character after the total size. This function is | |
2103 | called when we encounter the baseclass marker, and slurps up all the | |
2104 | baseclass information. | |
2105 | ||
2106 | Immediately following the '!' marker is the number of base classes that | |
2107 | the class is derived from, followed by information for each base class. | |
2108 | For each base class, there are two visibility specifiers, a bit offset | |
2109 | to the base class information within the derived class, a reference to | |
2110 | the type for the base class, and a terminating semicolon. | |
2111 | ||
2112 | A typical example, with two base classes, would be "!2,020,19;0264,21;". | |
2113 | ^^ ^ ^ ^ ^ ^ ^ | |
2114 | Baseclass information marker __________________|| | | | | | | | |
2115 | Number of baseclasses __________________________| | | | | | | | |
2116 | Visibility specifiers (2) ________________________| | | | | | | |
2117 | Offset in bits from start of class _________________| | | | | | |
2118 | Type number for base class ___________________________| | | | | |
2119 | Visibility specifiers (2) _______________________________| | | | |
2120 | Offset in bits from start of class ________________________| | | |
2121 | Type number of base class ____________________________________| | |
2122 | ||
b34976b6 | 2123 | Return TRUE for success, FALSE for failure. */ |
252b5132 | 2124 | |
b34976b6 | 2125 | static bfd_boolean |
252b5132 RH |
2126 | parse_stab_baseclasses (dhandle, info, pp, retp) |
2127 | PTR dhandle; | |
2128 | struct stab_handle *info; | |
2129 | const char **pp; | |
2130 | debug_baseclass **retp; | |
2131 | { | |
2132 | const char *orig; | |
2133 | unsigned int c, i; | |
2134 | debug_baseclass *classes; | |
2135 | ||
2136 | *retp = NULL; | |
2137 | ||
2138 | orig = *pp; | |
2139 | ||
2140 | if (**pp != '!') | |
2141 | { | |
2142 | /* No base classes. */ | |
b34976b6 | 2143 | return TRUE; |
252b5132 RH |
2144 | } |
2145 | ++*pp; | |
2146 | ||
b34976b6 | 2147 | c = (unsigned int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2148 | |
2149 | if (**pp != ',') | |
2150 | { | |
2151 | bad_stab (orig); | |
b34976b6 | 2152 | return FALSE; |
252b5132 RH |
2153 | } |
2154 | ++*pp; | |
2155 | ||
2156 | classes = (debug_baseclass *) xmalloc ((c + 1) * sizeof (**retp)); | |
2157 | ||
2158 | for (i = 0; i < c; i++) | |
2159 | { | |
b34976b6 | 2160 | bfd_boolean virtual; |
252b5132 RH |
2161 | enum debug_visibility visibility; |
2162 | bfd_vma bitpos; | |
2163 | debug_type type; | |
2164 | ||
2165 | switch (**pp) | |
2166 | { | |
2167 | case '0': | |
b34976b6 | 2168 | virtual = FALSE; |
252b5132 RH |
2169 | break; |
2170 | case '1': | |
b34976b6 | 2171 | virtual = TRUE; |
252b5132 RH |
2172 | break; |
2173 | default: | |
2174 | warn_stab (orig, _("unknown virtual character for baseclass")); | |
b34976b6 | 2175 | virtual = FALSE; |
252b5132 RH |
2176 | break; |
2177 | } | |
2178 | ++*pp; | |
2179 | ||
2180 | switch (**pp) | |
2181 | { | |
2182 | case '0': | |
2183 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2184 | break; | |
2185 | case '1': | |
2186 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2187 | break; | |
2188 | case '2': | |
2189 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2190 | break; | |
2191 | default: | |
2192 | warn_stab (orig, _("unknown visibility character for baseclass")); | |
2193 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2194 | break; | |
2195 | } | |
2196 | ++*pp; | |
2197 | ||
2198 | /* The remaining value is the bit offset of the portion of the | |
2199 | object corresponding to this baseclass. Always zero in the | |
2200 | absence of multiple inheritance. */ | |
b34976b6 | 2201 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2202 | if (**pp != ',') |
2203 | { | |
2204 | bad_stab (orig); | |
b34976b6 | 2205 | return FALSE; |
252b5132 RH |
2206 | } |
2207 | ++*pp; | |
2208 | ||
2209 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2210 | (debug_type **) NULL); | |
2211 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2212 | return FALSE; |
252b5132 RH |
2213 | |
2214 | classes[i] = debug_make_baseclass (dhandle, type, bitpos, virtual, | |
2215 | visibility); | |
2216 | if (classes[i] == DEBUG_BASECLASS_NULL) | |
b34976b6 | 2217 | return FALSE; |
252b5132 RH |
2218 | |
2219 | if (**pp != ';') | |
b34976b6 | 2220 | return FALSE; |
252b5132 RH |
2221 | ++*pp; |
2222 | } | |
2223 | ||
2224 | classes[i] = DEBUG_BASECLASS_NULL; | |
2225 | ||
2226 | *retp = classes; | |
2227 | ||
b34976b6 | 2228 | return TRUE; |
252b5132 RH |
2229 | } |
2230 | ||
2231 | /* Read struct or class data fields. They have the form: | |
2232 | ||
2233 | NAME : [VISIBILITY] TYPENUM , BITPOS , BITSIZE ; | |
2234 | ||
2235 | At the end, we see a semicolon instead of a field. | |
2236 | ||
2237 | In C++, this may wind up being NAME:?TYPENUM:PHYSNAME; for | |
2238 | a static field. | |
2239 | ||
2240 | The optional VISIBILITY is one of: | |
2241 | ||
2242 | '/0' (VISIBILITY_PRIVATE) | |
2243 | '/1' (VISIBILITY_PROTECTED) | |
2244 | '/2' (VISIBILITY_PUBLIC) | |
2245 | '/9' (VISIBILITY_IGNORE) | |
2246 | ||
2247 | or nothing, for C style fields with public visibility. | |
2248 | ||
2249 | Returns 1 for success, 0 for failure. */ | |
2250 | ||
b34976b6 | 2251 | static bfd_boolean |
252b5132 RH |
2252 | parse_stab_struct_fields (dhandle, info, pp, retp, staticsp) |
2253 | PTR dhandle; | |
2254 | struct stab_handle *info; | |
2255 | const char **pp; | |
2256 | debug_field **retp; | |
b34976b6 | 2257 | bfd_boolean *staticsp; |
252b5132 RH |
2258 | { |
2259 | const char *orig; | |
2260 | const char *p; | |
2261 | debug_field *fields; | |
2262 | unsigned int c; | |
2263 | unsigned int alloc; | |
2264 | ||
2265 | *retp = NULL; | |
b34976b6 | 2266 | *staticsp = FALSE; |
252b5132 RH |
2267 | |
2268 | orig = *pp; | |
2269 | ||
2270 | c = 0; | |
2271 | alloc = 10; | |
2272 | fields = (debug_field *) xmalloc (alloc * sizeof *fields); | |
2273 | while (**pp != ';') | |
2274 | { | |
2275 | /* FIXME: gdb checks os9k_stabs here. */ | |
2276 | ||
2277 | p = *pp; | |
2278 | ||
2279 | /* Add 1 to c to leave room for NULL pointer at end. */ | |
2280 | if (c + 1 >= alloc) | |
2281 | { | |
2282 | alloc += 10; | |
2283 | fields = ((debug_field *) | |
2284 | xrealloc ((PTR) fields, alloc * sizeof *fields)); | |
2285 | } | |
2286 | ||
2287 | /* If it starts with CPLUS_MARKER it is a special abbreviation, | |
2288 | unless the CPLUS_MARKER is followed by an underscore, in | |
2289 | which case it is just the name of an anonymous type, which we | |
2290 | should handle like any other type name. We accept either '$' | |
2291 | or '.', because a field name can never contain one of these | |
2292 | characters except as a CPLUS_MARKER. */ | |
2293 | ||
2294 | if ((*p == '$' || *p == '.') && p[1] != '_') | |
2295 | { | |
2296 | ++*pp; | |
2297 | if (! parse_stab_cpp_abbrev (dhandle, info, pp, fields + c)) | |
b34976b6 | 2298 | return FALSE; |
252b5132 RH |
2299 | ++c; |
2300 | continue; | |
2301 | } | |
2302 | ||
2303 | /* Look for the ':' that separates the field name from the field | |
2304 | values. Data members are delimited by a single ':', while member | |
2305 | functions are delimited by a pair of ':'s. When we hit the member | |
9f66665a | 2306 | functions (if any), terminate scan loop and return. */ |
252b5132 RH |
2307 | |
2308 | p = strchr (p, ':'); | |
2309 | if (p == NULL) | |
2310 | { | |
2311 | bad_stab (orig); | |
b34976b6 | 2312 | return FALSE; |
252b5132 RH |
2313 | } |
2314 | ||
2315 | if (p[1] == ':') | |
2316 | break; | |
2317 | ||
2318 | if (! parse_stab_one_struct_field (dhandle, info, pp, p, fields + c, | |
2319 | staticsp)) | |
b34976b6 | 2320 | return FALSE; |
252b5132 RH |
2321 | |
2322 | ++c; | |
2323 | } | |
2324 | ||
2325 | fields[c] = DEBUG_FIELD_NULL; | |
2326 | ||
2327 | *retp = fields; | |
2328 | ||
b34976b6 | 2329 | return TRUE; |
252b5132 RH |
2330 | } |
2331 | ||
2332 | /* Special GNU C++ name. */ | |
2333 | ||
b34976b6 | 2334 | static bfd_boolean |
252b5132 RH |
2335 | parse_stab_cpp_abbrev (dhandle, info, pp, retp) |
2336 | PTR dhandle; | |
2337 | struct stab_handle *info; | |
2338 | const char **pp; | |
2339 | debug_field *retp; | |
2340 | { | |
2341 | const char *orig; | |
2342 | int cpp_abbrev; | |
2343 | debug_type context; | |
2344 | const char *name; | |
2345 | const char *typename; | |
2346 | debug_type type; | |
2347 | bfd_vma bitpos; | |
2348 | ||
2349 | *retp = DEBUG_FIELD_NULL; | |
2350 | ||
2351 | orig = *pp; | |
2352 | ||
2353 | if (**pp != 'v') | |
2354 | { | |
2355 | bad_stab (*pp); | |
b34976b6 | 2356 | return FALSE; |
252b5132 RH |
2357 | } |
2358 | ++*pp; | |
2359 | ||
2360 | cpp_abbrev = **pp; | |
2361 | ++*pp; | |
2362 | ||
2363 | /* At this point, *pp points to something like "22:23=*22...", where | |
2364 | the type number before the ':' is the "context" and everything | |
2365 | after is a regular type definition. Lookup the type, find it's | |
2366 | name, and construct the field name. */ | |
2367 | ||
2368 | context = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2369 | (debug_type **) NULL); | |
2370 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 2371 | return FALSE; |
252b5132 RH |
2372 | |
2373 | switch (cpp_abbrev) | |
2374 | { | |
2375 | case 'f': | |
2376 | /* $vf -- a virtual function table pointer. */ | |
2377 | name = "_vptr$"; | |
2378 | break; | |
2379 | case 'b': | |
2380 | /* $vb -- a virtual bsomethingorother */ | |
2381 | typename = debug_get_type_name (dhandle, context); | |
2382 | if (typename == NULL) | |
2383 | { | |
2384 | warn_stab (orig, _("unnamed $vb type")); | |
2385 | typename = "FOO"; | |
2386 | } | |
2387 | name = concat ("_vb$", typename, (const char *) NULL); | |
2388 | break; | |
2389 | default: | |
2390 | warn_stab (orig, _("unrecognized C++ abbreviation")); | |
2391 | name = "INVALID_CPLUSPLUS_ABBREV"; | |
2392 | break; | |
2393 | } | |
2394 | ||
2395 | if (**pp != ':') | |
2396 | { | |
2397 | bad_stab (orig); | |
b34976b6 | 2398 | return FALSE; |
252b5132 RH |
2399 | } |
2400 | ++*pp; | |
2401 | ||
2402 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2403 | (debug_type **) NULL); | |
2404 | if (**pp != ',') | |
2405 | { | |
2406 | bad_stab (orig); | |
b34976b6 | 2407 | return FALSE; |
252b5132 RH |
2408 | } |
2409 | ++*pp; | |
2410 | ||
b34976b6 | 2411 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2412 | if (**pp != ';') |
2413 | { | |
2414 | bad_stab (orig); | |
b34976b6 | 2415 | return FALSE; |
252b5132 RH |
2416 | } |
2417 | ++*pp; | |
2418 | ||
2419 | *retp = debug_make_field (dhandle, name, type, bitpos, 0, | |
2420 | DEBUG_VISIBILITY_PRIVATE); | |
2421 | if (*retp == DEBUG_FIELD_NULL) | |
b34976b6 | 2422 | return FALSE; |
252b5132 | 2423 | |
b34976b6 | 2424 | return TRUE; |
252b5132 RH |
2425 | } |
2426 | ||
2427 | /* Parse a single field in a struct or union. */ | |
2428 | ||
b34976b6 | 2429 | static bfd_boolean |
252b5132 RH |
2430 | parse_stab_one_struct_field (dhandle, info, pp, p, retp, staticsp) |
2431 | PTR dhandle; | |
2432 | struct stab_handle *info; | |
2433 | const char **pp; | |
2434 | const char *p; | |
2435 | debug_field *retp; | |
b34976b6 | 2436 | bfd_boolean *staticsp; |
252b5132 RH |
2437 | { |
2438 | const char *orig; | |
2439 | char *name; | |
2440 | enum debug_visibility visibility; | |
2441 | debug_type type; | |
2442 | bfd_vma bitpos; | |
2443 | bfd_vma bitsize; | |
2444 | ||
2445 | orig = *pp; | |
2446 | ||
2447 | /* FIXME: gdb checks ARM_DEMANGLING here. */ | |
2448 | ||
2449 | name = savestring (*pp, p - *pp); | |
2450 | ||
2451 | *pp = p + 1; | |
2452 | ||
2453 | if (**pp != '/') | |
2454 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2455 | else | |
2456 | { | |
2457 | ++*pp; | |
2458 | switch (**pp) | |
2459 | { | |
2460 | case '0': | |
2461 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2462 | break; | |
2463 | case '1': | |
2464 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2465 | break; | |
2466 | case '2': | |
2467 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2468 | break; | |
2469 | default: | |
2470 | warn_stab (orig, _("unknown visibility character for field")); | |
2471 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2472 | break; | |
2473 | } | |
2474 | ++*pp; | |
2475 | } | |
2476 | ||
2477 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2478 | (debug_type **) NULL); | |
2479 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2480 | return FALSE; |
252b5132 RH |
2481 | |
2482 | if (**pp == ':') | |
2483 | { | |
2484 | char *varname; | |
2485 | ||
2486 | /* This is a static class member. */ | |
2487 | ++*pp; | |
2488 | p = strchr (*pp, ';'); | |
2489 | if (p == NULL) | |
2490 | { | |
2491 | bad_stab (orig); | |
b34976b6 | 2492 | return FALSE; |
252b5132 RH |
2493 | } |
2494 | ||
2495 | varname = savestring (*pp, p - *pp); | |
2496 | ||
2497 | *pp = p + 1; | |
2498 | ||
2499 | *retp = debug_make_static_member (dhandle, name, type, varname, | |
2500 | visibility); | |
b34976b6 | 2501 | *staticsp = TRUE; |
252b5132 | 2502 | |
b34976b6 | 2503 | return TRUE; |
252b5132 RH |
2504 | } |
2505 | ||
2506 | if (**pp != ',') | |
2507 | { | |
2508 | bad_stab (orig); | |
b34976b6 | 2509 | return FALSE; |
252b5132 RH |
2510 | } |
2511 | ++*pp; | |
2512 | ||
b34976b6 | 2513 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2514 | if (**pp != ',') |
2515 | { | |
2516 | bad_stab (orig); | |
b34976b6 | 2517 | return FALSE; |
252b5132 RH |
2518 | } |
2519 | ++*pp; | |
2520 | ||
b34976b6 | 2521 | bitsize = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2522 | if (**pp != ';') |
2523 | { | |
2524 | bad_stab (orig); | |
b34976b6 | 2525 | return FALSE; |
252b5132 RH |
2526 | } |
2527 | ++*pp; | |
2528 | ||
2529 | if (bitpos == 0 && bitsize == 0) | |
2530 | { | |
2531 | /* This can happen in two cases: (1) at least for gcc 2.4.5 or | |
2532 | so, it is a field which has been optimized out. The correct | |
2533 | stab for this case is to use VISIBILITY_IGNORE, but that is a | |
2534 | recent invention. (2) It is a 0-size array. For example | |
2535 | union { int num; char str[0]; } foo. Printing "<no value>" | |
2536 | for str in "p foo" is OK, since foo.str (and thus foo.str[3]) | |
2537 | will continue to work, and a 0-size array as a whole doesn't | |
2538 | have any contents to print. | |
2539 | ||
2540 | I suspect this probably could also happen with gcc -gstabs | |
2541 | (not -gstabs+) for static fields, and perhaps other C++ | |
2542 | extensions. Hopefully few people use -gstabs with gdb, since | |
2543 | it is intended for dbx compatibility. */ | |
2544 | visibility = DEBUG_VISIBILITY_IGNORE; | |
2545 | } | |
2546 | ||
2547 | /* FIXME: gdb does some stuff here to mark fields as unpacked. */ | |
2548 | ||
2549 | *retp = debug_make_field (dhandle, name, type, bitpos, bitsize, visibility); | |
2550 | ||
b34976b6 | 2551 | return TRUE; |
252b5132 RH |
2552 | } |
2553 | ||
2554 | /* Read member function stabs info for C++ classes. The form of each member | |
2555 | function data is: | |
2556 | ||
2557 | NAME :: TYPENUM[=type definition] ARGS : PHYSNAME ; | |
2558 | ||
2559 | An example with two member functions is: | |
2560 | ||
2561 | afunc1::20=##15;:i;2A.;afunc2::20:i;2A.; | |
2562 | ||
2563 | For the case of overloaded operators, the format is op$::*.funcs, where | |
2564 | $ is the CPLUS_MARKER (usually '$'), `*' holds the place for an operator | |
2565 | name (such as `+=') and `.' marks the end of the operator name. */ | |
2566 | ||
b34976b6 | 2567 | static bfd_boolean |
252b5132 RH |
2568 | parse_stab_members (dhandle, info, tagname, pp, typenums, retp) |
2569 | PTR dhandle; | |
2570 | struct stab_handle *info; | |
2571 | const char *tagname; | |
2572 | const char **pp; | |
2573 | const int *typenums; | |
2574 | debug_method **retp; | |
2575 | { | |
2576 | const char *orig; | |
2577 | debug_method *methods; | |
2578 | unsigned int c; | |
2579 | unsigned int alloc; | |
2580 | ||
2581 | *retp = NULL; | |
2582 | ||
2583 | orig = *pp; | |
2584 | ||
2585 | alloc = 0; | |
2586 | methods = NULL; | |
2587 | c = 0; | |
2588 | ||
2589 | while (**pp != ';') | |
2590 | { | |
2591 | const char *p; | |
2592 | char *name; | |
2593 | debug_method_variant *variants; | |
2594 | unsigned int cvars; | |
2595 | unsigned int allocvars; | |
2596 | debug_type look_ahead_type; | |
2597 | ||
2598 | p = strchr (*pp, ':'); | |
2599 | if (p == NULL || p[1] != ':') | |
2600 | break; | |
2601 | ||
2602 | /* FIXME: Some systems use something other than '$' here. */ | |
2603 | if ((*pp)[0] != 'o' || (*pp)[1] != 'p' || (*pp)[2] != '$') | |
2604 | { | |
2605 | name = savestring (*pp, p - *pp); | |
2606 | *pp = p + 2; | |
2607 | } | |
2608 | else | |
2609 | { | |
2610 | /* This is a completely wierd case. In order to stuff in the | |
2611 | names that might contain colons (the usual name delimiter), | |
2612 | Mike Tiemann defined a different name format which is | |
2613 | signalled if the identifier is "op$". In that case, the | |
2614 | format is "op$::XXXX." where XXXX is the name. This is | |
2615 | used for names like "+" or "=". YUUUUUUUK! FIXME! */ | |
2616 | *pp = p + 2; | |
2617 | for (p = *pp; *p != '.' && *p != '\0'; p++) | |
2618 | ; | |
2619 | if (*p != '.') | |
2620 | { | |
2621 | bad_stab (orig); | |
b34976b6 | 2622 | return FALSE; |
252b5132 RH |
2623 | } |
2624 | name = savestring (*pp, p - *pp); | |
2625 | *pp = p + 1; | |
2626 | } | |
2627 | ||
2628 | allocvars = 10; | |
2629 | variants = ((debug_method_variant *) | |
2630 | xmalloc (allocvars * sizeof *variants)); | |
2631 | cvars = 0; | |
2632 | ||
2633 | look_ahead_type = DEBUG_TYPE_NULL; | |
2634 | ||
2635 | do | |
2636 | { | |
2637 | debug_type type; | |
b34976b6 | 2638 | bfd_boolean stub; |
252b5132 RH |
2639 | char *argtypes; |
2640 | enum debug_visibility visibility; | |
b34976b6 | 2641 | bfd_boolean constp, volatilep, staticp; |
252b5132 RH |
2642 | bfd_vma voffset; |
2643 | debug_type context; | |
2644 | const char *physname; | |
b34976b6 | 2645 | bfd_boolean varargs; |
252b5132 RH |
2646 | |
2647 | if (look_ahead_type != DEBUG_TYPE_NULL) | |
2648 | { | |
2649 | /* g++ version 1 kludge */ | |
2650 | type = look_ahead_type; | |
2651 | look_ahead_type = DEBUG_TYPE_NULL; | |
2652 | } | |
2653 | else | |
2654 | { | |
2655 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2656 | (debug_type **) NULL); | |
2657 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2658 | return FALSE; |
252b5132 RH |
2659 | if (**pp != ':') |
2660 | { | |
2661 | bad_stab (orig); | |
b34976b6 | 2662 | return FALSE; |
252b5132 RH |
2663 | } |
2664 | } | |
2665 | ||
2666 | ++*pp; | |
2667 | p = strchr (*pp, ';'); | |
2668 | if (p == NULL) | |
2669 | { | |
2670 | bad_stab (orig); | |
b34976b6 | 2671 | return FALSE; |
252b5132 RH |
2672 | } |
2673 | ||
b34976b6 | 2674 | stub = FALSE; |
252b5132 RH |
2675 | if (debug_get_type_kind (dhandle, type) == DEBUG_KIND_METHOD |
2676 | && debug_get_parameter_types (dhandle, type, &varargs) == NULL) | |
b34976b6 | 2677 | stub = TRUE; |
252b5132 RH |
2678 | |
2679 | argtypes = savestring (*pp, p - *pp); | |
2680 | *pp = p + 1; | |
2681 | ||
2682 | switch (**pp) | |
2683 | { | |
2684 | case '0': | |
2685 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2686 | break; | |
2687 | case '1': | |
2688 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2689 | break; | |
2690 | default: | |
2691 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2692 | break; | |
2693 | } | |
2694 | ++*pp; | |
2695 | ||
b34976b6 AM |
2696 | constp = FALSE; |
2697 | volatilep = FALSE; | |
252b5132 RH |
2698 | switch (**pp) |
2699 | { | |
2700 | case 'A': | |
2701 | /* Normal function. */ | |
2702 | ++*pp; | |
2703 | break; | |
2704 | case 'B': | |
2705 | /* const member function. */ | |
b34976b6 | 2706 | constp = TRUE; |
252b5132 RH |
2707 | ++*pp; |
2708 | break; | |
2709 | case 'C': | |
2710 | /* volatile member function. */ | |
b34976b6 | 2711 | volatilep = TRUE; |
252b5132 RH |
2712 | ++*pp; |
2713 | break; | |
2714 | case 'D': | |
2715 | /* const volatile member function. */ | |
b34976b6 AM |
2716 | constp = TRUE; |
2717 | volatilep = TRUE; | |
252b5132 RH |
2718 | ++*pp; |
2719 | break; | |
2720 | case '*': | |
2721 | case '?': | |
2722 | case '.': | |
2723 | /* File compiled with g++ version 1; no information. */ | |
2724 | break; | |
2725 | default: | |
2726 | warn_stab (orig, _("const/volatile indicator missing")); | |
2727 | break; | |
2728 | } | |
2729 | ||
b34976b6 | 2730 | staticp = FALSE; |
252b5132 RH |
2731 | switch (**pp) |
2732 | { | |
2733 | case '*': | |
2734 | /* virtual member function, followed by index. The sign | |
2735 | bit is supposedly set to distinguish | |
2736 | pointers-to-methods from virtual function indicies. */ | |
2737 | ++*pp; | |
b34976b6 | 2738 | voffset = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2739 | if (**pp != ';') |
2740 | { | |
2741 | bad_stab (orig); | |
b34976b6 | 2742 | return FALSE; |
252b5132 RH |
2743 | } |
2744 | ++*pp; | |
2745 | voffset &= 0x7fffffff; | |
2746 | ||
2747 | if (**pp == ';' || *pp == '\0') | |
2748 | { | |
2749 | /* Must be g++ version 1. */ | |
2750 | context = DEBUG_TYPE_NULL; | |
2751 | } | |
2752 | else | |
2753 | { | |
2754 | /* Figure out from whence this virtual function | |
2755 | came. It may belong to virtual function table of | |
2756 | one of its baseclasses. */ | |
9f66665a KH |
2757 | look_ahead_type = parse_stab_type (dhandle, info, |
2758 | (const char *) NULL, | |
2759 | pp, | |
2760 | (debug_type **) NULL); | |
2761 | if (**pp == ':') | |
2762 | { | |
2763 | /* g++ version 1 overloaded methods. */ | |
2764 | context = DEBUG_TYPE_NULL; | |
2765 | } | |
2766 | else | |
2767 | { | |
2768 | context = look_ahead_type; | |
2769 | look_ahead_type = DEBUG_TYPE_NULL; | |
2770 | if (**pp != ';') | |
2771 | { | |
2772 | bad_stab (orig); | |
b34976b6 | 2773 | return FALSE; |
9f66665a KH |
2774 | } |
2775 | ++*pp; | |
2776 | } | |
2777 | } | |
252b5132 RH |
2778 | break; |
2779 | ||
2780 | case '?': | |
2781 | /* static member function. */ | |
2782 | ++*pp; | |
b34976b6 | 2783 | staticp = TRUE; |
252b5132 RH |
2784 | voffset = 0; |
2785 | context = DEBUG_TYPE_NULL; | |
2786 | if (strncmp (argtypes, name, strlen (name)) != 0) | |
b34976b6 | 2787 | stub = TRUE; |
252b5132 RH |
2788 | break; |
2789 | ||
2790 | default: | |
2791 | warn_stab (orig, "member function type missing"); | |
2792 | voffset = 0; | |
2793 | context = DEBUG_TYPE_NULL; | |
2794 | break; | |
2795 | ||
2796 | case '.': | |
2797 | ++*pp; | |
2798 | voffset = 0; | |
2799 | context = DEBUG_TYPE_NULL; | |
2800 | break; | |
2801 | } | |
2802 | ||
2803 | /* If the type is not a stub, then the argtypes string is | |
2804 | the physical name of the function. Otherwise the | |
2805 | argtypes string is the mangled form of the argument | |
2806 | types, and the full type and the physical name must be | |
2807 | extracted from them. */ | |
2808 | if (! stub) | |
2809 | physname = argtypes; | |
2810 | else | |
2811 | { | |
2812 | debug_type class_type, return_type; | |
2813 | ||
2814 | class_type = stab_find_type (dhandle, info, typenums); | |
2815 | if (class_type == DEBUG_TYPE_NULL) | |
b34976b6 | 2816 | return FALSE; |
252b5132 RH |
2817 | return_type = debug_get_return_type (dhandle, type); |
2818 | if (return_type == DEBUG_TYPE_NULL) | |
2819 | { | |
2820 | bad_stab (orig); | |
b34976b6 | 2821 | return FALSE; |
252b5132 RH |
2822 | } |
2823 | type = parse_stab_argtypes (dhandle, info, class_type, name, | |
2824 | tagname, return_type, argtypes, | |
2825 | constp, volatilep, &physname); | |
2826 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2827 | return FALSE; |
252b5132 RH |
2828 | } |
2829 | ||
2830 | if (cvars + 1 >= allocvars) | |
2831 | { | |
2832 | allocvars += 10; | |
2833 | variants = ((debug_method_variant *) | |
2834 | xrealloc ((PTR) variants, | |
2835 | allocvars * sizeof *variants)); | |
2836 | } | |
2837 | ||
2838 | if (! staticp) | |
2839 | variants[cvars] = debug_make_method_variant (dhandle, physname, | |
2840 | type, visibility, | |
2841 | constp, volatilep, | |
2842 | voffset, context); | |
2843 | else | |
2844 | variants[cvars] = debug_make_static_method_variant (dhandle, | |
2845 | physname, | |
2846 | type, | |
2847 | visibility, | |
2848 | constp, | |
2849 | volatilep); | |
2850 | if (variants[cvars] == DEBUG_METHOD_VARIANT_NULL) | |
b34976b6 | 2851 | return FALSE; |
252b5132 RH |
2852 | |
2853 | ++cvars; | |
2854 | } | |
2855 | while (**pp != ';' && **pp != '\0'); | |
2856 | ||
2857 | variants[cvars] = DEBUG_METHOD_VARIANT_NULL; | |
2858 | ||
2859 | if (**pp != '\0') | |
2860 | ++*pp; | |
2861 | ||
2862 | if (c + 1 >= alloc) | |
2863 | { | |
2864 | alloc += 10; | |
2865 | methods = ((debug_method *) | |
2866 | xrealloc ((PTR) methods, alloc * sizeof *methods)); | |
2867 | } | |
2868 | ||
2869 | methods[c] = debug_make_method (dhandle, name, variants); | |
2870 | ||
2871 | ++c; | |
2872 | } | |
2873 | ||
2874 | if (methods != NULL) | |
2875 | methods[c] = DEBUG_METHOD_NULL; | |
2876 | ||
2877 | *retp = methods; | |
2878 | ||
b34976b6 | 2879 | return TRUE; |
252b5132 RH |
2880 | } |
2881 | ||
2882 | /* Parse a string representing argument types for a method. Stabs | |
2883 | tries to save space by packing argument types into a mangled | |
2884 | string. This string should give us enough information to extract | |
2885 | both argument types and the physical name of the function, given | |
2886 | the tag name. */ | |
2887 | ||
2888 | static debug_type | |
2889 | parse_stab_argtypes (dhandle, info, class_type, fieldname, tagname, | |
2890 | return_type, argtypes, constp, volatilep, pphysname) | |
2891 | PTR dhandle; | |
2892 | struct stab_handle *info; | |
2893 | debug_type class_type; | |
2894 | const char *fieldname; | |
2895 | const char *tagname; | |
2896 | debug_type return_type; | |
2897 | const char *argtypes; | |
b34976b6 AM |
2898 | bfd_boolean constp; |
2899 | bfd_boolean volatilep; | |
252b5132 RH |
2900 | const char **pphysname; |
2901 | { | |
b34976b6 AM |
2902 | bfd_boolean is_full_physname_constructor; |
2903 | bfd_boolean is_constructor; | |
2904 | bfd_boolean is_destructor; | |
252b5132 | 2905 | debug_type *args; |
b34976b6 | 2906 | bfd_boolean varargs; |
4b73ca92 | 2907 | unsigned int physname_len = 0; |
252b5132 RH |
2908 | |
2909 | /* Constructors are sometimes handled specially. */ | |
2910 | is_full_physname_constructor = ((argtypes[0] == '_' | |
2911 | && argtypes[1] == '_' | |
3882b010 | 2912 | && (ISDIGIT (argtypes[2]) |
252b5132 RH |
2913 | || argtypes[2] == 'Q' |
2914 | || argtypes[2] == 't')) | |
2915 | || strncmp (argtypes, "__ct", 4) == 0); | |
2916 | ||
2917 | is_constructor = (is_full_physname_constructor | |
2918 | || (tagname != NULL | |
2919 | && strcmp (fieldname, tagname) == 0)); | |
2920 | is_destructor = ((argtypes[0] == '_' | |
2921 | && (argtypes[1] == '$' || argtypes[1] == '.') | |
2922 | && argtypes[2] == '_') | |
2923 | || strncmp (argtypes, "__dt", 4) == 0); | |
2924 | ||
2925 | if (is_destructor || is_full_physname_constructor) | |
2926 | *pphysname = argtypes; | |
2927 | else | |
2928 | { | |
2929 | unsigned int len; | |
2930 | const char *const_prefix; | |
2931 | const char *volatile_prefix; | |
2932 | char buf[20]; | |
2933 | unsigned int mangled_name_len; | |
2934 | char *physname; | |
2935 | ||
2936 | len = tagname == NULL ? 0 : strlen (tagname); | |
2937 | const_prefix = constp ? "C" : ""; | |
2938 | volatile_prefix = volatilep ? "V" : ""; | |
2939 | ||
2940 | if (len == 0) | |
2941 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); | |
2942 | else if (tagname != NULL && strchr (tagname, '<') != NULL) | |
2943 | { | |
2944 | /* Template methods are fully mangled. */ | |
2945 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); | |
2946 | tagname = NULL; | |
2947 | len = 0; | |
2948 | } | |
2949 | else | |
2950 | sprintf (buf, "__%s%s%d", const_prefix, volatile_prefix, len); | |
2951 | ||
2952 | mangled_name_len = ((is_constructor ? 0 : strlen (fieldname)) | |
2953 | + strlen (buf) | |
2954 | + len | |
2955 | + strlen (argtypes) | |
2956 | + 1); | |
2957 | ||
2958 | if (fieldname[0] == 'o' | |
2959 | && fieldname[1] == 'p' | |
2960 | && (fieldname[2] == '$' || fieldname[2] == '.')) | |
2961 | { | |
2962 | const char *opname; | |
2963 | ||
2964 | opname = cplus_mangle_opname (fieldname + 3, 0); | |
2965 | if (opname == NULL) | |
2966 | { | |
2967 | fprintf (stderr, _("No mangling for \"%s\"\n"), fieldname); | |
2968 | return DEBUG_TYPE_NULL; | |
2969 | } | |
2970 | mangled_name_len += strlen (opname); | |
2971 | physname = (char *) xmalloc (mangled_name_len); | |
2972 | strncpy (physname, fieldname, 3); | |
2973 | strcpy (physname + 3, opname); | |
2974 | } | |
2975 | else | |
2976 | { | |
2977 | physname = (char *) xmalloc (mangled_name_len); | |
2978 | if (is_constructor) | |
2979 | physname[0] = '\0'; | |
2980 | else | |
2981 | strcpy (physname, fieldname); | |
2982 | } | |
2983 | ||
4b73ca92 | 2984 | physname_len = strlen (physname); |
252b5132 RH |
2985 | strcat (physname, buf); |
2986 | if (tagname != NULL) | |
2987 | strcat (physname, tagname); | |
2988 | strcat (physname, argtypes); | |
2989 | ||
2990 | *pphysname = physname; | |
2991 | } | |
2992 | ||
2993 | if (*argtypes == '\0' || is_destructor) | |
2994 | { | |
2995 | args = (debug_type *) xmalloc (sizeof *args); | |
2996 | *args = NULL; | |
2997 | return debug_make_method_type (dhandle, return_type, class_type, args, | |
b34976b6 | 2998 | FALSE); |
252b5132 RH |
2999 | } |
3000 | ||
4b73ca92 | 3001 | args = stab_demangle_argtypes (dhandle, info, *pphysname, &varargs, physname_len); |
252b5132 RH |
3002 | if (args == NULL) |
3003 | return DEBUG_TYPE_NULL; | |
3004 | ||
3005 | return debug_make_method_type (dhandle, return_type, class_type, args, | |
3006 | varargs); | |
3007 | } | |
3008 | ||
3009 | /* The tail end of stabs for C++ classes that contain a virtual function | |
3010 | pointer contains a tilde, a %, and a type number. | |
3011 | The type number refers to the base class (possibly this class itself) which | |
3012 | contains the vtable pointer for the current class. | |
3013 | ||
3014 | This function is called when we have parsed all the method declarations, | |
3015 | so we can look for the vptr base class info. */ | |
3016 | ||
b34976b6 | 3017 | static bfd_boolean |
252b5132 RH |
3018 | parse_stab_tilde_field (dhandle, info, pp, typenums, retvptrbase, retownvptr) |
3019 | PTR dhandle; | |
3020 | struct stab_handle *info; | |
3021 | const char **pp; | |
3022 | const int *typenums; | |
3023 | debug_type *retvptrbase; | |
b34976b6 | 3024 | bfd_boolean *retownvptr; |
252b5132 RH |
3025 | { |
3026 | const char *orig; | |
3027 | const char *hold; | |
3028 | int vtypenums[2]; | |
3029 | ||
3030 | *retvptrbase = DEBUG_TYPE_NULL; | |
b34976b6 | 3031 | *retownvptr = FALSE; |
252b5132 RH |
3032 | |
3033 | orig = *pp; | |
3034 | ||
9f66665a | 3035 | /* If we are positioned at a ';', then skip it. */ |
252b5132 RH |
3036 | if (**pp == ';') |
3037 | ++*pp; | |
3038 | ||
3039 | if (**pp != '~') | |
b34976b6 | 3040 | return TRUE; |
252b5132 RH |
3041 | |
3042 | ++*pp; | |
3043 | ||
3044 | if (**pp == '=' || **pp == '+' || **pp == '-') | |
3045 | { | |
3046 | /* Obsolete flags that used to indicate the presence of | |
9f66665a | 3047 | constructors and/or destructors. */ |
252b5132 RH |
3048 | ++*pp; |
3049 | } | |
3050 | ||
3051 | if (**pp != '%') | |
b34976b6 | 3052 | return TRUE; |
252b5132 RH |
3053 | |
3054 | ++*pp; | |
3055 | ||
3056 | hold = *pp; | |
3057 | ||
3058 | /* The next number is the type number of the base class (possibly | |
3059 | our own class) which supplies the vtable for this class. */ | |
3060 | if (! parse_stab_type_number (pp, vtypenums)) | |
b34976b6 | 3061 | return FALSE; |
252b5132 RH |
3062 | |
3063 | if (vtypenums[0] == typenums[0] | |
3064 | && vtypenums[1] == typenums[1]) | |
b34976b6 | 3065 | *retownvptr = TRUE; |
252b5132 RH |
3066 | else |
3067 | { | |
3068 | debug_type vtype; | |
3069 | const char *p; | |
3070 | ||
3071 | *pp = hold; | |
3072 | ||
3073 | vtype = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
3074 | (debug_type **) NULL); | |
3075 | for (p = *pp; *p != ';' && *p != '\0'; p++) | |
3076 | ; | |
3077 | if (*p != ';') | |
3078 | { | |
3079 | bad_stab (orig); | |
b34976b6 | 3080 | return FALSE; |
252b5132 RH |
3081 | } |
3082 | ||
3083 | *retvptrbase = vtype; | |
3084 | ||
3085 | *pp = p + 1; | |
3086 | } | |
3087 | ||
b34976b6 | 3088 | return TRUE; |
252b5132 RH |
3089 | } |
3090 | ||
3091 | /* Read a definition of an array type. */ | |
3092 | ||
3093 | static debug_type | |
3094 | parse_stab_array_type (dhandle, info, pp, stringp) | |
3095 | PTR dhandle; | |
3096 | struct stab_handle *info; | |
3097 | const char **pp; | |
b34976b6 | 3098 | bfd_boolean stringp; |
252b5132 RH |
3099 | { |
3100 | const char *orig; | |
3101 | const char *p; | |
3102 | int typenums[2]; | |
3103 | debug_type index_type; | |
b34976b6 | 3104 | bfd_boolean adjustable; |
252b5132 RH |
3105 | bfd_signed_vma lower, upper; |
3106 | debug_type element_type; | |
3107 | ||
3108 | /* Format of an array type: | |
3109 | "ar<index type>;lower;upper;<array_contents_type>". | |
3110 | OS9000: "arlower,upper;<array_contents_type>". | |
3111 | ||
3112 | Fortran adjustable arrays use Adigits or Tdigits for lower or upper; | |
3113 | for these, produce a type like float[][]. */ | |
3114 | ||
3115 | orig = *pp; | |
3116 | ||
3117 | /* FIXME: gdb checks os9k_stabs here. */ | |
3118 | ||
3119 | /* If the index type is type 0, we take it as int. */ | |
3120 | p = *pp; | |
3121 | if (! parse_stab_type_number (&p, typenums)) | |
3dceb55b | 3122 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3123 | if (typenums[0] == 0 && typenums[1] == 0 && **pp != '=') |
3124 | { | |
3125 | index_type = debug_find_named_type (dhandle, "int"); | |
3126 | if (index_type == DEBUG_TYPE_NULL) | |
3127 | { | |
b34976b6 | 3128 | index_type = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 | 3129 | if (index_type == DEBUG_TYPE_NULL) |
3dceb55b | 3130 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3131 | } |
3132 | *pp = p; | |
3133 | } | |
3134 | else | |
3135 | { | |
3136 | index_type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
3137 | (debug_type **) NULL); | |
3138 | } | |
3139 | ||
3140 | if (**pp != ';') | |
3141 | { | |
3142 | bad_stab (orig); | |
3143 | return DEBUG_TYPE_NULL; | |
3144 | } | |
3145 | ++*pp; | |
3146 | ||
b34976b6 | 3147 | adjustable = FALSE; |
252b5132 | 3148 | |
3882b010 | 3149 | if (! ISDIGIT (**pp) && **pp != '-') |
252b5132 RH |
3150 | { |
3151 | ++*pp; | |
b34976b6 | 3152 | adjustable = TRUE; |
252b5132 RH |
3153 | } |
3154 | ||
b34976b6 | 3155 | lower = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
3156 | if (**pp != ';') |
3157 | { | |
3158 | bad_stab (orig); | |
3dceb55b | 3159 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3160 | } |
3161 | ++*pp; | |
3162 | ||
3882b010 | 3163 | if (! ISDIGIT (**pp) && **pp != '-') |
252b5132 RH |
3164 | { |
3165 | ++*pp; | |
b34976b6 | 3166 | adjustable = TRUE; |
252b5132 RH |
3167 | } |
3168 | ||
b34976b6 | 3169 | upper = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
3170 | if (**pp != ';') |
3171 | { | |
3172 | bad_stab (orig); | |
3dceb55b | 3173 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3174 | } |
3175 | ++*pp; | |
3176 | ||
3177 | element_type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
3178 | (debug_type **) NULL); | |
3179 | if (element_type == DEBUG_TYPE_NULL) | |
3dceb55b | 3180 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3181 | |
3182 | if (adjustable) | |
3183 | { | |
3184 | lower = 0; | |
3185 | upper = -1; | |
3186 | } | |
3187 | ||
3188 | return debug_make_array_type (dhandle, element_type, index_type, lower, | |
3189 | upper, stringp); | |
3190 | } | |
3191 | ||
3192 | /* This struct holds information about files we have seen using | |
3193 | N_BINCL. */ | |
3194 | ||
3195 | struct bincl_file | |
3196 | { | |
3197 | /* The next N_BINCL file. */ | |
3198 | struct bincl_file *next; | |
3199 | /* The next N_BINCL on the stack. */ | |
3200 | struct bincl_file *next_stack; | |
3201 | /* The file name. */ | |
3202 | const char *name; | |
3203 | /* The hash value. */ | |
3204 | bfd_vma hash; | |
3205 | /* The file index. */ | |
3206 | unsigned int file; | |
3207 | /* The list of types defined in this file. */ | |
3208 | struct stab_types *file_types; | |
3209 | }; | |
3210 | ||
3211 | /* Start a new N_BINCL file, pushing it onto the stack. */ | |
3212 | ||
3213 | static void | |
3214 | push_bincl (info, name, hash) | |
3215 | struct stab_handle *info; | |
3216 | const char *name; | |
3217 | bfd_vma hash; | |
3218 | { | |
3219 | struct bincl_file *n; | |
3220 | ||
3221 | n = (struct bincl_file *) xmalloc (sizeof *n); | |
3222 | n->next = info->bincl_list; | |
3223 | n->next_stack = info->bincl_stack; | |
3224 | n->name = name; | |
3225 | n->hash = hash; | |
3226 | n->file = info->files; | |
3227 | n->file_types = NULL; | |
3228 | info->bincl_list = n; | |
3229 | info->bincl_stack = n; | |
3230 | ||
3231 | ++info->files; | |
3232 | info->file_types = ((struct stab_types **) | |
3233 | xrealloc ((PTR) info->file_types, | |
3234 | (info->files | |
3235 | * sizeof *info->file_types))); | |
3236 | info->file_types[n->file] = NULL; | |
3237 | } | |
3238 | ||
3239 | /* Finish an N_BINCL file, at an N_EINCL, popping the name off the | |
3240 | stack. */ | |
3241 | ||
3242 | static const char * | |
3243 | pop_bincl (info) | |
3244 | struct stab_handle *info; | |
3245 | { | |
3246 | struct bincl_file *o; | |
3247 | ||
3248 | o = info->bincl_stack; | |
3249 | if (o == NULL) | |
3250 | return info->main_filename; | |
3251 | info->bincl_stack = o->next_stack; | |
3252 | ||
3253 | o->file_types = info->file_types[o->file]; | |
3254 | ||
3255 | if (info->bincl_stack == NULL) | |
3256 | return info->main_filename; | |
3257 | return info->bincl_stack->name; | |
3258 | } | |
3259 | ||
3260 | /* Handle an N_EXCL: get the types from the corresponding N_BINCL. */ | |
3261 | ||
b34976b6 | 3262 | static bfd_boolean |
252b5132 RH |
3263 | find_excl (info, name, hash) |
3264 | struct stab_handle *info; | |
3265 | const char *name; | |
3266 | bfd_vma hash; | |
3267 | { | |
3268 | struct bincl_file *l; | |
3269 | ||
3270 | ++info->files; | |
3271 | info->file_types = ((struct stab_types **) | |
3272 | xrealloc ((PTR) info->file_types, | |
3273 | (info->files | |
3274 | * sizeof *info->file_types))); | |
3275 | ||
3276 | for (l = info->bincl_list; l != NULL; l = l->next) | |
3277 | if (l->hash == hash && strcmp (l->name, name) == 0) | |
3278 | break; | |
3279 | if (l == NULL) | |
3280 | { | |
3281 | warn_stab (name, _("Undefined N_EXCL")); | |
3282 | info->file_types[info->files - 1] = NULL; | |
b34976b6 | 3283 | return TRUE; |
252b5132 RH |
3284 | } |
3285 | ||
3286 | info->file_types[info->files - 1] = l->file_types; | |
3287 | ||
b34976b6 | 3288 | return TRUE; |
252b5132 RH |
3289 | } |
3290 | ||
3291 | /* Handle a variable definition. gcc emits variable definitions for a | |
3292 | block before the N_LBRAC, so we must hold onto them until we see | |
3293 | it. The SunPRO compiler emits variable definitions after the | |
3294 | N_LBRAC, so we can call debug_record_variable immediately. */ | |
3295 | ||
b34976b6 | 3296 | static bfd_boolean |
252b5132 RH |
3297 | stab_record_variable (dhandle, info, name, type, kind, val) |
3298 | PTR dhandle; | |
3299 | struct stab_handle *info; | |
3300 | const char *name; | |
3301 | debug_type type; | |
3302 | enum debug_var_kind kind; | |
3303 | bfd_vma val; | |
3304 | { | |
3305 | struct stab_pending_var *v; | |
3306 | ||
3307 | if ((kind == DEBUG_GLOBAL || kind == DEBUG_STATIC) | |
3308 | || ! info->within_function | |
3309 | || (info->gcc_compiled == 0 && info->n_opt_found)) | |
3310 | return debug_record_variable (dhandle, name, type, kind, val); | |
3311 | ||
3312 | v = (struct stab_pending_var *) xmalloc (sizeof *v); | |
3313 | memset (v, 0, sizeof *v); | |
3314 | ||
3315 | v->next = info->pending; | |
3316 | v->name = name; | |
3317 | v->type = type; | |
3318 | v->kind = kind; | |
3319 | v->val = val; | |
3320 | info->pending = v; | |
3321 | ||
b34976b6 | 3322 | return TRUE; |
252b5132 RH |
3323 | } |
3324 | ||
3325 | /* Emit pending variable definitions. This is called after we see the | |
3326 | N_LBRAC that starts the block. */ | |
3327 | ||
b34976b6 | 3328 | static bfd_boolean |
252b5132 RH |
3329 | stab_emit_pending_vars (dhandle, info) |
3330 | PTR dhandle; | |
3331 | struct stab_handle *info; | |
3332 | { | |
3333 | struct stab_pending_var *v; | |
3334 | ||
3335 | v = info->pending; | |
3336 | while (v != NULL) | |
3337 | { | |
3338 | struct stab_pending_var *next; | |
3339 | ||
3340 | if (! debug_record_variable (dhandle, v->name, v->type, v->kind, v->val)) | |
b34976b6 | 3341 | return FALSE; |
252b5132 RH |
3342 | |
3343 | next = v->next; | |
3344 | free (v); | |
3345 | v = next; | |
3346 | } | |
3347 | ||
3348 | info->pending = NULL; | |
3349 | ||
b34976b6 | 3350 | return TRUE; |
252b5132 RH |
3351 | } |
3352 | ||
3353 | /* Find the slot for a type in the database. */ | |
3354 | ||
3355 | static debug_type * | |
3356 | stab_find_slot (info, typenums) | |
3357 | struct stab_handle *info; | |
3358 | const int *typenums; | |
3359 | { | |
3360 | int filenum; | |
3361 | int index; | |
3362 | struct stab_types **ps; | |
3363 | ||
3364 | filenum = typenums[0]; | |
3365 | index = typenums[1]; | |
3366 | ||
3367 | if (filenum < 0 || (unsigned int) filenum >= info->files) | |
3368 | { | |
3369 | fprintf (stderr, _("Type file number %d out of range\n"), filenum); | |
3370 | return NULL; | |
3371 | } | |
3372 | if (index < 0) | |
3373 | { | |
3374 | fprintf (stderr, _("Type index number %d out of range\n"), index); | |
3375 | return NULL; | |
3376 | } | |
3377 | ||
3378 | ps = info->file_types + filenum; | |
3379 | ||
3380 | while (index >= STAB_TYPES_SLOTS) | |
3381 | { | |
3382 | if (*ps == NULL) | |
3383 | { | |
3384 | *ps = (struct stab_types *) xmalloc (sizeof **ps); | |
3385 | memset (*ps, 0, sizeof **ps); | |
3386 | } | |
3387 | ps = &(*ps)->next; | |
3388 | index -= STAB_TYPES_SLOTS; | |
3389 | } | |
3390 | if (*ps == NULL) | |
3391 | { | |
3392 | *ps = (struct stab_types *) xmalloc (sizeof **ps); | |
3393 | memset (*ps, 0, sizeof **ps); | |
3394 | } | |
3395 | ||
3396 | return (*ps)->types + index; | |
3397 | } | |
3398 | ||
3399 | /* Find a type given a type number. If the type has not been | |
3400 | allocated yet, create an indirect type. */ | |
3401 | ||
3402 | static debug_type | |
3403 | stab_find_type (dhandle, info, typenums) | |
3404 | PTR dhandle; | |
3405 | struct stab_handle *info; | |
3406 | const int *typenums; | |
3407 | { | |
3408 | debug_type *slot; | |
3409 | ||
3410 | if (typenums[0] == 0 && typenums[1] < 0) | |
3411 | { | |
3412 | /* A negative type number indicates an XCOFF builtin type. */ | |
3413 | return stab_xcoff_builtin_type (dhandle, info, typenums[1]); | |
3414 | } | |
3415 | ||
3416 | slot = stab_find_slot (info, typenums); | |
3417 | if (slot == NULL) | |
3418 | return DEBUG_TYPE_NULL; | |
3419 | ||
3420 | if (*slot == DEBUG_TYPE_NULL) | |
3421 | return debug_make_indirect_type (dhandle, slot, (const char *) NULL); | |
3422 | ||
3423 | return *slot; | |
3424 | } | |
3425 | ||
3426 | /* Record that a given type number refers to a given type. */ | |
3427 | ||
b34976b6 | 3428 | static bfd_boolean |
252b5132 | 3429 | stab_record_type (dhandle, info, typenums, type) |
b4c96d0d | 3430 | PTR dhandle ATTRIBUTE_UNUSED; |
252b5132 RH |
3431 | struct stab_handle *info; |
3432 | const int *typenums; | |
3433 | debug_type type; | |
3434 | { | |
3435 | debug_type *slot; | |
3436 | ||
3437 | slot = stab_find_slot (info, typenums); | |
3438 | if (slot == NULL) | |
b34976b6 | 3439 | return FALSE; |
252b5132 RH |
3440 | |
3441 | /* gdb appears to ignore type redefinitions, so we do as well. */ | |
3442 | ||
3443 | *slot = type; | |
3444 | ||
b34976b6 | 3445 | return TRUE; |
252b5132 RH |
3446 | } |
3447 | ||
3448 | /* Return an XCOFF builtin type. */ | |
3449 | ||
3450 | static debug_type | |
3451 | stab_xcoff_builtin_type (dhandle, info, typenum) | |
3452 | PTR dhandle; | |
3453 | struct stab_handle *info; | |
3454 | int typenum; | |
3455 | { | |
3456 | debug_type rettype; | |
3457 | const char *name; | |
3458 | ||
3459 | if (typenum >= 0 || typenum < -XCOFF_TYPE_COUNT) | |
3460 | { | |
3461 | fprintf (stderr, _("Unrecognized XCOFF type %d\n"), typenum); | |
3462 | return DEBUG_TYPE_NULL; | |
3463 | } | |
3464 | if (info->xcoff_types[-typenum] != NULL) | |
3465 | return info->xcoff_types[-typenum]; | |
3466 | ||
3467 | switch (-typenum) | |
3468 | { | |
3469 | case 1: | |
3470 | /* The size of this and all the other types are fixed, defined | |
3471 | by the debugging format. */ | |
3472 | name = "int"; | |
b34976b6 | 3473 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3474 | break; |
3475 | case 2: | |
3476 | name = "char"; | |
b34976b6 | 3477 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3478 | break; |
3479 | case 3: | |
3480 | name = "short"; | |
b34976b6 | 3481 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3482 | break; |
3483 | case 4: | |
3484 | name = "long"; | |
b34976b6 | 3485 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3486 | break; |
3487 | case 5: | |
3488 | name = "unsigned char"; | |
b34976b6 | 3489 | rettype = debug_make_int_type (dhandle, 1, TRUE); |
252b5132 RH |
3490 | break; |
3491 | case 6: | |
3492 | name = "signed char"; | |
b34976b6 | 3493 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3494 | break; |
3495 | case 7: | |
3496 | name = "unsigned short"; | |
b34976b6 | 3497 | rettype = debug_make_int_type (dhandle, 2, TRUE); |
252b5132 RH |
3498 | break; |
3499 | case 8: | |
3500 | name = "unsigned int"; | |
b34976b6 | 3501 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3502 | break; |
3503 | case 9: | |
3504 | name = "unsigned"; | |
b34976b6 | 3505 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3506 | case 10: |
3507 | name = "unsigned long"; | |
b34976b6 | 3508 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3509 | break; |
3510 | case 11: | |
3511 | name = "void"; | |
3512 | rettype = debug_make_void_type (dhandle); | |
3513 | break; | |
3514 | case 12: | |
3515 | /* IEEE single precision (32 bit). */ | |
3516 | name = "float"; | |
3517 | rettype = debug_make_float_type (dhandle, 4); | |
3518 | break; | |
3519 | case 13: | |
3520 | /* IEEE double precision (64 bit). */ | |
3521 | name = "double"; | |
3522 | rettype = debug_make_float_type (dhandle, 8); | |
3523 | break; | |
3524 | case 14: | |
3525 | /* This is an IEEE double on the RS/6000, and different machines | |
3526 | with different sizes for "long double" should use different | |
3527 | negative type numbers. See stabs.texinfo. */ | |
3528 | name = "long double"; | |
3529 | rettype = debug_make_float_type (dhandle, 8); | |
3530 | break; | |
3531 | case 15: | |
3532 | name = "integer"; | |
b34976b6 | 3533 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3534 | break; |
3535 | case 16: | |
3536 | name = "boolean"; | |
3537 | rettype = debug_make_bool_type (dhandle, 4); | |
3538 | break; | |
3539 | case 17: | |
3540 | name = "short real"; | |
3541 | rettype = debug_make_float_type (dhandle, 4); | |
3542 | break; | |
3543 | case 18: | |
3544 | name = "real"; | |
3545 | rettype = debug_make_float_type (dhandle, 8); | |
3546 | break; | |
3547 | case 19: | |
3548 | /* FIXME */ | |
3549 | name = "stringptr"; | |
3550 | rettype = NULL; | |
3551 | break; | |
3552 | case 20: | |
3553 | /* FIXME */ | |
3554 | name = "character"; | |
b34976b6 | 3555 | rettype = debug_make_int_type (dhandle, 1, TRUE); |
252b5132 RH |
3556 | break; |
3557 | case 21: | |
3558 | name = "logical*1"; | |
3559 | rettype = debug_make_bool_type (dhandle, 1); | |
3560 | break; | |
3561 | case 22: | |
3562 | name = "logical*2"; | |
3563 | rettype = debug_make_bool_type (dhandle, 2); | |
3564 | break; | |
3565 | case 23: | |
3566 | name = "logical*4"; | |
3567 | rettype = debug_make_bool_type (dhandle, 4); | |
3568 | break; | |
3569 | case 24: | |
3570 | name = "logical"; | |
3571 | rettype = debug_make_bool_type (dhandle, 4); | |
3572 | break; | |
3573 | case 25: | |
3574 | /* Complex type consisting of two IEEE single precision values. */ | |
3575 | name = "complex"; | |
3576 | rettype = debug_make_complex_type (dhandle, 8); | |
3577 | break; | |
3578 | case 26: | |
3579 | /* Complex type consisting of two IEEE double precision values. */ | |
3580 | name = "double complex"; | |
3581 | rettype = debug_make_complex_type (dhandle, 16); | |
3582 | break; | |
3583 | case 27: | |
3584 | name = "integer*1"; | |
b34976b6 | 3585 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3586 | break; |
3587 | case 28: | |
3588 | name = "integer*2"; | |
b34976b6 | 3589 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3590 | break; |
3591 | case 29: | |
3592 | name = "integer*4"; | |
b34976b6 | 3593 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3594 | break; |
3595 | case 30: | |
3596 | /* FIXME */ | |
3597 | name = "wchar"; | |
b34976b6 | 3598 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3599 | break; |
3600 | case 31: | |
3601 | name = "long long"; | |
b34976b6 | 3602 | rettype = debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
3603 | break; |
3604 | case 32: | |
3605 | name = "unsigned long long"; | |
b34976b6 | 3606 | rettype = debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
3607 | break; |
3608 | case 33: | |
3609 | name = "logical*8"; | |
3610 | rettype = debug_make_bool_type (dhandle, 8); | |
3611 | break; | |
3612 | case 34: | |
3613 | name = "integer*8"; | |
b34976b6 | 3614 | rettype = debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
3615 | break; |
3616 | default: | |
3617 | abort (); | |
3618 | } | |
3619 | ||
3620 | rettype = debug_name_type (dhandle, name, rettype); | |
3621 | ||
3622 | info->xcoff_types[-typenum] = rettype; | |
3623 | ||
3624 | return rettype; | |
3625 | } | |
3626 | ||
3627 | /* Find or create a tagged type. */ | |
3628 | ||
3629 | static debug_type | |
3630 | stab_find_tagged_type (dhandle, info, p, len, kind) | |
3631 | PTR dhandle; | |
3632 | struct stab_handle *info; | |
3633 | const char *p; | |
3634 | int len; | |
3635 | enum debug_type_kind kind; | |
3636 | { | |
3637 | char *name; | |
3638 | debug_type dtype; | |
3639 | struct stab_tag *st; | |
3640 | ||
3641 | name = savestring (p, len); | |
3642 | ||
3643 | /* We pass DEBUG_KIND_ILLEGAL because we want all tags in the same | |
3644 | namespace. This is right for C, and I don't know how to handle | |
3645 | other languages. FIXME. */ | |
3646 | dtype = debug_find_tagged_type (dhandle, name, DEBUG_KIND_ILLEGAL); | |
3647 | if (dtype != DEBUG_TYPE_NULL) | |
3648 | { | |
3649 | free (name); | |
3650 | return dtype; | |
3651 | } | |
3652 | ||
3653 | /* We need to allocate an entry on the undefined tag list. */ | |
3654 | for (st = info->tags; st != NULL; st = st->next) | |
3655 | { | |
3656 | if (st->name[0] == name[0] | |
3657 | && strcmp (st->name, name) == 0) | |
3658 | { | |
3659 | if (st->kind == DEBUG_KIND_ILLEGAL) | |
3660 | st->kind = kind; | |
3661 | free (name); | |
3662 | break; | |
3663 | } | |
3664 | } | |
3665 | if (st == NULL) | |
3666 | { | |
3667 | st = (struct stab_tag *) xmalloc (sizeof *st); | |
3668 | memset (st, 0, sizeof *st); | |
3669 | ||
3670 | st->next = info->tags; | |
3671 | st->name = name; | |
3672 | st->kind = kind; | |
3673 | st->slot = DEBUG_TYPE_NULL; | |
3674 | st->type = debug_make_indirect_type (dhandle, &st->slot, name); | |
3675 | info->tags = st; | |
3676 | } | |
3677 | ||
3678 | return st->type; | |
3679 | } | |
3680 | \f | |
3681 | /* In order to get the correct argument types for a stubbed method, we | |
3682 | need to extract the argument types from a C++ mangled string. | |
3683 | Since the argument types can refer back to the return type, this | |
3684 | means that we must demangle the entire physical name. In gdb this | |
3685 | is done by calling cplus_demangle and running the results back | |
3686 | through the C++ expression parser. Since we have no expression | |
3687 | parser, we must duplicate much of the work of cplus_demangle here. | |
3688 | ||
3689 | We assume that GNU style demangling is used, since this is only | |
3690 | done for method stubs, and only g++ should output that form of | |
3691 | debugging information. */ | |
3692 | ||
3693 | /* This structure is used to hold a pointer to type information which | |
3694 | demangling a string. */ | |
3695 | ||
3696 | struct stab_demangle_typestring | |
3697 | { | |
3698 | /* The start of the type. This is not null terminated. */ | |
3699 | const char *typestring; | |
3700 | /* The length of the type. */ | |
3701 | unsigned int len; | |
3702 | }; | |
3703 | ||
3704 | /* This structure is used to hold information while demangling a | |
3705 | string. */ | |
3706 | ||
3707 | struct stab_demangle_info | |
3708 | { | |
3709 | /* The debugging information handle. */ | |
3710 | PTR dhandle; | |
3711 | /* The stab information handle. */ | |
3712 | struct stab_handle *info; | |
3713 | /* The array of arguments we are building. */ | |
3714 | debug_type *args; | |
3715 | /* Whether the method takes a variable number of arguments. */ | |
b34976b6 | 3716 | bfd_boolean varargs; |
252b5132 RH |
3717 | /* The array of types we have remembered. */ |
3718 | struct stab_demangle_typestring *typestrings; | |
3719 | /* The number of typestrings. */ | |
3720 | unsigned int typestring_count; | |
3721 | /* The number of typestring slots we have allocated. */ | |
3722 | unsigned int typestring_alloc; | |
3723 | }; | |
3724 | ||
b34976b6 AM |
3725 | static void stab_bad_demangle |
3726 | PARAMS ((const char *)); | |
3727 | static unsigned int stab_demangle_count | |
3728 | PARAMS ((const char **)); | |
3729 | static bfd_boolean stab_demangle_get_count | |
252b5132 | 3730 | PARAMS ((const char **, unsigned int *)); |
b34976b6 | 3731 | static bfd_boolean stab_demangle_prefix |
4b73ca92 | 3732 | PARAMS ((struct stab_demangle_info *, const char **, unsigned int)); |
b34976b6 | 3733 | static bfd_boolean stab_demangle_function_name |
252b5132 | 3734 | PARAMS ((struct stab_demangle_info *, const char **, const char *)); |
b34976b6 | 3735 | static bfd_boolean stab_demangle_signature |
252b5132 | 3736 | PARAMS ((struct stab_demangle_info *, const char **)); |
b34976b6 | 3737 | static bfd_boolean stab_demangle_qualified |
252b5132 | 3738 | PARAMS ((struct stab_demangle_info *, const char **, debug_type *)); |
b34976b6 | 3739 | static bfd_boolean stab_demangle_template |
252b5132 | 3740 | PARAMS ((struct stab_demangle_info *, const char **, char **)); |
b34976b6 | 3741 | static bfd_boolean stab_demangle_class |
252b5132 | 3742 | PARAMS ((struct stab_demangle_info *, const char **, const char **)); |
b34976b6 | 3743 | static bfd_boolean stab_demangle_args |
252b5132 | 3744 | PARAMS ((struct stab_demangle_info *, const char **, debug_type **, |
b34976b6 AM |
3745 | bfd_boolean *)); |
3746 | static bfd_boolean stab_demangle_arg | |
252b5132 RH |
3747 | PARAMS ((struct stab_demangle_info *, const char **, debug_type **, |
3748 | unsigned int *, unsigned int *)); | |
b34976b6 | 3749 | static bfd_boolean stab_demangle_type |
252b5132 | 3750 | PARAMS ((struct stab_demangle_info *, const char **, debug_type *)); |
b34976b6 | 3751 | static bfd_boolean stab_demangle_fund_type |
252b5132 | 3752 | PARAMS ((struct stab_demangle_info *, const char **, debug_type *)); |
b34976b6 | 3753 | static bfd_boolean stab_demangle_remember_type |
252b5132 RH |
3754 | PARAMS ((struct stab_demangle_info *, const char *, int)); |
3755 | ||
3756 | /* Warn about a bad demangling. */ | |
3757 | ||
3758 | static void | |
3759 | stab_bad_demangle (s) | |
3760 | const char *s; | |
3761 | { | |
3762 | fprintf (stderr, _("bad mangled name `%s'\n"), s); | |
3763 | } | |
3764 | ||
3765 | /* Get a count from a stab string. */ | |
3766 | ||
3767 | static unsigned int | |
3768 | stab_demangle_count (pp) | |
3769 | const char **pp; | |
3770 | { | |
3771 | unsigned int count; | |
3772 | ||
3773 | count = 0; | |
3882b010 | 3774 | while (ISDIGIT (**pp)) |
252b5132 RH |
3775 | { |
3776 | count *= 10; | |
3777 | count += **pp - '0'; | |
3778 | ++*pp; | |
3779 | } | |
3780 | return count; | |
3781 | } | |
3782 | ||
3783 | /* Require a count in a string. The count may be multiple digits, in | |
3784 | which case it must end in an underscore. */ | |
3785 | ||
b34976b6 | 3786 | static bfd_boolean |
252b5132 RH |
3787 | stab_demangle_get_count (pp, pi) |
3788 | const char **pp; | |
3789 | unsigned int *pi; | |
3790 | { | |
3882b010 | 3791 | if (! ISDIGIT (**pp)) |
b34976b6 | 3792 | return FALSE; |
252b5132 RH |
3793 | |
3794 | *pi = **pp - '0'; | |
3795 | ++*pp; | |
3882b010 | 3796 | if (ISDIGIT (**pp)) |
252b5132 RH |
3797 | { |
3798 | unsigned int count; | |
3799 | const char *p; | |
3800 | ||
3801 | count = *pi; | |
3802 | p = *pp; | |
3803 | do | |
3804 | { | |
3805 | count *= 10; | |
3806 | count += *p - '0'; | |
3807 | ++p; | |
3808 | } | |
3882b010 | 3809 | while (ISDIGIT (*p)); |
252b5132 RH |
3810 | if (*p == '_') |
3811 | { | |
3812 | *pp = p + 1; | |
3813 | *pi = count; | |
3814 | } | |
3815 | } | |
3816 | ||
b34976b6 | 3817 | return TRUE; |
252b5132 RH |
3818 | } |
3819 | ||
3820 | /* This function demangles a physical name, returning a NULL | |
3821 | terminated array of argument types. */ | |
3822 | ||
3823 | static debug_type * | |
4b73ca92 | 3824 | stab_demangle_argtypes (dhandle, info, physname, pvarargs, physname_len) |
252b5132 RH |
3825 | PTR dhandle; |
3826 | struct stab_handle *info; | |
3827 | const char *physname; | |
b34976b6 | 3828 | bfd_boolean *pvarargs; |
4b73ca92 | 3829 | unsigned int physname_len; |
252b5132 RH |
3830 | { |
3831 | struct stab_demangle_info minfo; | |
3832 | ||
3833 | minfo.dhandle = dhandle; | |
3834 | minfo.info = info; | |
3835 | minfo.args = NULL; | |
b34976b6 | 3836 | minfo.varargs = FALSE; |
252b5132 RH |
3837 | minfo.typestring_alloc = 10; |
3838 | minfo.typestrings = ((struct stab_demangle_typestring *) | |
3839 | xmalloc (minfo.typestring_alloc | |
3840 | * sizeof *minfo.typestrings)); | |
3841 | minfo.typestring_count = 0; | |
3842 | ||
3843 | /* cplus_demangle checks for special GNU mangled forms, but we can't | |
3844 | see any of them in mangled method argument types. */ | |
3845 | ||
4b73ca92 | 3846 | if (! stab_demangle_prefix (&minfo, &physname, physname_len)) |
252b5132 RH |
3847 | goto error_return; |
3848 | ||
3849 | if (*physname != '\0') | |
3850 | { | |
3851 | if (! stab_demangle_signature (&minfo, &physname)) | |
3852 | goto error_return; | |
3853 | } | |
3854 | ||
3855 | free (minfo.typestrings); | |
3856 | minfo.typestrings = NULL; | |
3857 | ||
3858 | if (minfo.args == NULL) | |
3859 | fprintf (stderr, _("no argument types in mangled string\n")); | |
3860 | ||
3861 | *pvarargs = minfo.varargs; | |
3862 | return minfo.args; | |
3863 | ||
3864 | error_return: | |
3865 | if (minfo.typestrings != NULL) | |
3866 | free (minfo.typestrings); | |
3867 | return NULL; | |
3868 | } | |
3869 | ||
3870 | /* Demangle the prefix of the mangled name. */ | |
3871 | ||
b34976b6 | 3872 | static bfd_boolean |
4b73ca92 | 3873 | stab_demangle_prefix (minfo, pp, physname_len) |
252b5132 RH |
3874 | struct stab_demangle_info *minfo; |
3875 | const char **pp; | |
4b73ca92 | 3876 | unsigned int physname_len; |
252b5132 RH |
3877 | { |
3878 | const char *scan; | |
3879 | unsigned int i; | |
3880 | ||
3881 | /* cplus_demangle checks for global constructors and destructors, | |
3882 | but we can't see them in mangled argument types. */ | |
3883 | ||
4b73ca92 NC |
3884 | if (physname_len) |
3885 | scan = *pp + physname_len; | |
3886 | else | |
252b5132 | 3887 | { |
4b73ca92 NC |
3888 | /* Look for `__'. */ |
3889 | scan = *pp; | |
3890 | do | |
3891 | scan = strchr (scan, '_'); | |
3892 | while (scan != NULL && *++scan != '_'); | |
252b5132 | 3893 | |
4b73ca92 NC |
3894 | if (scan == NULL) |
3895 | { | |
3896 | stab_bad_demangle (*pp); | |
b34976b6 | 3897 | return FALSE; |
4b73ca92 | 3898 | } |
252b5132 | 3899 | |
4b73ca92 | 3900 | --scan; |
252b5132 | 3901 | |
4b73ca92 NC |
3902 | /* We found `__'; move ahead to the last contiguous `__' pair. */ |
3903 | i = strspn (scan, "_"); | |
3904 | if (i > 2) | |
3905 | scan += i - 2; | |
3906 | } | |
252b5132 RH |
3907 | |
3908 | if (scan == *pp | |
3882b010 | 3909 | && (ISDIGIT (scan[2]) |
252b5132 RH |
3910 | || scan[2] == 'Q' |
3911 | || scan[2] == 't')) | |
3912 | { | |
3913 | /* This is a GNU style constructor name. */ | |
3914 | *pp = scan + 2; | |
b34976b6 | 3915 | return TRUE; |
252b5132 RH |
3916 | } |
3917 | else if (scan == *pp | |
3882b010 | 3918 | && ! ISDIGIT (scan[2]) |
252b5132 RH |
3919 | && scan[2] != 't') |
3920 | { | |
3921 | /* Look for the `__' that separates the prefix from the | |
3922 | signature. */ | |
3923 | while (*scan == '_') | |
3924 | ++scan; | |
3925 | scan = strstr (scan, "__"); | |
3926 | if (scan == NULL || scan[2] == '\0') | |
3927 | { | |
3928 | stab_bad_demangle (*pp); | |
b34976b6 | 3929 | return FALSE; |
252b5132 RH |
3930 | } |
3931 | ||
3932 | return stab_demangle_function_name (minfo, pp, scan); | |
3933 | } | |
3934 | else if (scan[2] != '\0') | |
3935 | { | |
3936 | /* The name doesn't start with `__', but it does contain `__'. */ | |
3937 | return stab_demangle_function_name (minfo, pp, scan); | |
3938 | } | |
3939 | else | |
3940 | { | |
3941 | stab_bad_demangle (*pp); | |
b34976b6 | 3942 | return FALSE; |
252b5132 RH |
3943 | } |
3944 | /*NOTREACHED*/ | |
3945 | } | |
3946 | ||
3947 | /* Demangle a function name prefix. The scan argument points to the | |
3948 | double underscore which separates the function name from the | |
3949 | signature. */ | |
3950 | ||
b34976b6 | 3951 | static bfd_boolean |
252b5132 RH |
3952 | stab_demangle_function_name (minfo, pp, scan) |
3953 | struct stab_demangle_info *minfo; | |
3954 | const char **pp; | |
3955 | const char *scan; | |
3956 | { | |
3957 | const char *name; | |
3958 | ||
3959 | /* The string from *pp to scan is the name of the function. We | |
3960 | don't care about the name, since we just looking for argument | |
3961 | types. However, for conversion operators, the name may include a | |
3962 | type which we must remember in order to handle backreferences. */ | |
3963 | ||
3964 | name = *pp; | |
3965 | *pp = scan + 2; | |
3966 | ||
3967 | if (*pp - name >= 5 | |
3968 | && strncmp (name, "type", 4) == 0 | |
3969 | && (name[4] == '$' || name[4] == '.')) | |
3970 | { | |
3971 | const char *tem; | |
3972 | ||
3973 | /* This is a type conversion operator. */ | |
3974 | tem = name + 5; | |
3975 | if (! stab_demangle_type (minfo, &tem, (debug_type *) NULL)) | |
b34976b6 | 3976 | return FALSE; |
252b5132 RH |
3977 | } |
3978 | else if (name[0] == '_' | |
3979 | && name[1] == '_' | |
3980 | && name[2] == 'o' | |
3981 | && name[3] == 'p') | |
3982 | { | |
3983 | const char *tem; | |
3984 | ||
3985 | /* This is a type conversion operator. */ | |
3986 | tem = name + 4; | |
3987 | if (! stab_demangle_type (minfo, &tem, (debug_type *) NULL)) | |
b34976b6 | 3988 | return FALSE; |
252b5132 RH |
3989 | } |
3990 | ||
b34976b6 | 3991 | return TRUE; |
252b5132 RH |
3992 | } |
3993 | ||
3994 | /* Demangle the signature. This is where the argument types are | |
3995 | found. */ | |
3996 | ||
b34976b6 | 3997 | static bfd_boolean |
252b5132 RH |
3998 | stab_demangle_signature (minfo, pp) |
3999 | struct stab_demangle_info *minfo; | |
4000 | const char **pp; | |
4001 | { | |
4002 | const char *orig; | |
b34976b6 | 4003 | bfd_boolean expect_func, func_done; |
252b5132 RH |
4004 | const char *hold; |
4005 | ||
4006 | orig = *pp; | |
4007 | ||
b34976b6 AM |
4008 | expect_func = FALSE; |
4009 | func_done = FALSE; | |
252b5132 RH |
4010 | hold = NULL; |
4011 | ||
4012 | while (**pp != '\0') | |
4013 | { | |
4014 | switch (**pp) | |
4015 | { | |
4016 | case 'Q': | |
4017 | hold = *pp; | |
4018 | if (! stab_demangle_qualified (minfo, pp, (debug_type *) NULL) | |
4019 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 AM |
4020 | return FALSE; |
4021 | expect_func = TRUE; | |
252b5132 RH |
4022 | hold = NULL; |
4023 | break; | |
4024 | ||
4025 | case 'S': | |
4026 | /* Static member function. FIXME: Can this happen? */ | |
4027 | if (hold == NULL) | |
4028 | hold = *pp; | |
4029 | ++*pp; | |
4030 | break; | |
4031 | ||
4032 | case 'C': | |
4033 | /* Const member function. */ | |
4034 | if (hold == NULL) | |
4035 | hold = *pp; | |
4036 | ++*pp; | |
4037 | break; | |
4038 | ||
4039 | case '0': case '1': case '2': case '3': case '4': | |
4040 | case '5': case '6': case '7': case '8': case '9': | |
4041 | if (hold == NULL) | |
4042 | hold = *pp; | |
4043 | if (! stab_demangle_class (minfo, pp, (const char **) NULL) | |
4044 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 AM |
4045 | return FALSE; |
4046 | expect_func = TRUE; | |
252b5132 RH |
4047 | hold = NULL; |
4048 | break; | |
4049 | ||
4050 | case 'F': | |
4051 | /* Function. I don't know if this actually happens with g++ | |
4052 | output. */ | |
4053 | hold = NULL; | |
b34976b6 | 4054 | func_done = TRUE; |
252b5132 RH |
4055 | ++*pp; |
4056 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) | |
b34976b6 | 4057 | return FALSE; |
252b5132 RH |
4058 | break; |
4059 | ||
4060 | case 't': | |
4061 | /* Template. */ | |
4062 | if (hold == NULL) | |
4063 | hold = *pp; | |
4064 | if (! stab_demangle_template (minfo, pp, (char **) NULL) | |
4065 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 | 4066 | return FALSE; |
252b5132 | 4067 | hold = NULL; |
b34976b6 | 4068 | expect_func = TRUE; |
252b5132 RH |
4069 | break; |
4070 | ||
4071 | case '_': | |
4072 | /* At the outermost level, we cannot have a return type | |
4073 | specified, so if we run into another '_' at this point we | |
4074 | are dealing with a mangled name that is either bogus, or | |
4075 | has been mangled by some algorithm we don't know how to | |
4076 | deal with. So just reject the entire demangling. */ | |
4077 | stab_bad_demangle (orig); | |
b34976b6 | 4078 | return FALSE; |
252b5132 RH |
4079 | |
4080 | default: | |
4081 | /* Assume we have stumbled onto the first outermost function | |
4082 | argument token, and start processing args. */ | |
b34976b6 | 4083 | func_done = TRUE; |
252b5132 | 4084 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) |
b34976b6 | 4085 | return FALSE; |
252b5132 RH |
4086 | break; |
4087 | } | |
4088 | ||
4089 | if (expect_func) | |
4090 | { | |
b34976b6 | 4091 | func_done = TRUE; |
252b5132 | 4092 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) |
b34976b6 | 4093 | return FALSE; |
252b5132 RH |
4094 | } |
4095 | } | |
4096 | ||
4097 | if (! func_done) | |
4098 | { | |
4099 | /* With GNU style demangling, bar__3foo is 'foo::bar(void)', and | |
4100 | bar__3fooi is 'foo::bar(int)'. We get here when we find the | |
4101 | first case, and need to ensure that the '(void)' gets added | |
4102 | to the current declp. */ | |
4103 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) | |
b34976b6 | 4104 | return FALSE; |
252b5132 RH |
4105 | } |
4106 | ||
b34976b6 | 4107 | return TRUE; |
252b5132 RH |
4108 | } |
4109 | ||
4110 | /* Demangle a qualified name, such as "Q25Outer5Inner" which is the | |
4111 | mangled form of "Outer::Inner". */ | |
4112 | ||
b34976b6 | 4113 | static bfd_boolean |
252b5132 RH |
4114 | stab_demangle_qualified (minfo, pp, ptype) |
4115 | struct stab_demangle_info *minfo; | |
4116 | const char **pp; | |
4117 | debug_type *ptype; | |
4118 | { | |
4119 | const char *orig; | |
4120 | const char *p; | |
4121 | unsigned int qualifiers; | |
4122 | debug_type context; | |
4123 | ||
4124 | orig = *pp; | |
4125 | ||
4126 | switch ((*pp)[1]) | |
4127 | { | |
4128 | case '_': | |
4129 | /* GNU mangled name with more than 9 classes. The count is | |
4130 | preceded by an underscore (to distinguish it from the <= 9 | |
4131 | case) and followed by an underscore. */ | |
4132 | p = *pp + 2; | |
3882b010 | 4133 | if (! ISDIGIT (*p) || *p == '0') |
252b5132 RH |
4134 | { |
4135 | stab_bad_demangle (orig); | |
b34976b6 | 4136 | return FALSE; |
252b5132 RH |
4137 | } |
4138 | qualifiers = atoi (p); | |
3882b010 | 4139 | while (ISDIGIT (*p)) |
252b5132 RH |
4140 | ++p; |
4141 | if (*p != '_') | |
4142 | { | |
4143 | stab_bad_demangle (orig); | |
b34976b6 | 4144 | return FALSE; |
252b5132 RH |
4145 | } |
4146 | *pp = p + 1; | |
4147 | break; | |
4148 | ||
4149 | case '1': case '2': case '3': case '4': case '5': | |
4150 | case '6': case '7': case '8': case '9': | |
4151 | qualifiers = (*pp)[1] - '0'; | |
4152 | /* Skip an optional underscore after the count. */ | |
4153 | if ((*pp)[2] == '_') | |
4154 | ++*pp; | |
4155 | *pp += 2; | |
4156 | break; | |
4157 | ||
4158 | case '0': | |
4159 | default: | |
4160 | stab_bad_demangle (orig); | |
b34976b6 | 4161 | return FALSE; |
252b5132 RH |
4162 | } |
4163 | ||
4164 | context = DEBUG_TYPE_NULL; | |
4165 | ||
4166 | /* Pick off the names. */ | |
4167 | while (qualifiers-- > 0) | |
4168 | { | |
4169 | if (**pp == '_') | |
4170 | ++*pp; | |
4171 | if (**pp == 't') | |
4172 | { | |
4173 | char *name; | |
4174 | ||
4175 | if (! stab_demangle_template (minfo, pp, | |
4176 | ptype != NULL ? &name : NULL)) | |
b34976b6 | 4177 | return FALSE; |
252b5132 RH |
4178 | |
4179 | if (ptype != NULL) | |
4180 | { | |
4181 | context = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
4182 | name, strlen (name), | |
4183 | DEBUG_KIND_CLASS); | |
4184 | free (name); | |
4185 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 4186 | return FALSE; |
252b5132 RH |
4187 | } |
4188 | } | |
4189 | else | |
4190 | { | |
4191 | unsigned int len; | |
4192 | ||
4193 | len = stab_demangle_count (pp); | |
4194 | if (strlen (*pp) < len) | |
4195 | { | |
4196 | stab_bad_demangle (orig); | |
b34976b6 | 4197 | return FALSE; |
252b5132 RH |
4198 | } |
4199 | ||
4200 | if (ptype != NULL) | |
4201 | { | |
4202 | const debug_field *fields; | |
4203 | ||
4204 | fields = NULL; | |
4205 | if (context != DEBUG_TYPE_NULL) | |
4206 | fields = debug_get_fields (minfo->dhandle, context); | |
4207 | ||
4208 | context = DEBUG_TYPE_NULL; | |
4209 | ||
4210 | if (fields != NULL) | |
4211 | { | |
4212 | char *name; | |
4213 | ||
4214 | /* Try to find the type by looking through the | |
4215 | fields of context until we find a field with the | |
4216 | same type. This ought to work for a class | |
4217 | defined within a class, but it won't work for, | |
4218 | e.g., an enum defined within a class. stabs does | |
4219 | not give us enough information to figure out the | |
4220 | latter case. */ | |
4221 | ||
4222 | name = savestring (*pp, len); | |
4223 | ||
4224 | for (; *fields != DEBUG_FIELD_NULL; fields++) | |
4225 | { | |
4226 | debug_type ft; | |
4227 | const char *dn; | |
4228 | ||
4229 | ft = debug_get_field_type (minfo->dhandle, *fields); | |
4230 | if (ft == NULL) | |
b34976b6 | 4231 | return FALSE; |
252b5132 RH |
4232 | dn = debug_get_type_name (minfo->dhandle, ft); |
4233 | if (dn != NULL && strcmp (dn, name) == 0) | |
4234 | { | |
4235 | context = ft; | |
4236 | break; | |
4237 | } | |
4238 | } | |
4239 | ||
4240 | free (name); | |
4241 | } | |
4242 | ||
4243 | if (context == DEBUG_TYPE_NULL) | |
4244 | { | |
4245 | /* We have to fall back on finding the type by name. | |
4246 | If there are more types to come, then this must | |
4247 | be a class. Otherwise, it could be anything. */ | |
4248 | ||
4249 | if (qualifiers == 0) | |
4250 | { | |
4251 | char *name; | |
4252 | ||
4253 | name = savestring (*pp, len); | |
4254 | context = debug_find_named_type (minfo->dhandle, | |
4255 | name); | |
4256 | free (name); | |
4257 | } | |
4258 | ||
4259 | if (context == DEBUG_TYPE_NULL) | |
4260 | { | |
4261 | context = stab_find_tagged_type (minfo->dhandle, | |
4262 | minfo->info, | |
4263 | *pp, len, | |
4264 | (qualifiers == 0 | |
4265 | ? DEBUG_KIND_ILLEGAL | |
4266 | : DEBUG_KIND_CLASS)); | |
4267 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 4268 | return FALSE; |
252b5132 RH |
4269 | } |
4270 | } | |
4271 | } | |
4272 | ||
4273 | *pp += len; | |
4274 | } | |
4275 | } | |
4276 | ||
4277 | if (ptype != NULL) | |
4278 | *ptype = context; | |
4279 | ||
b34976b6 | 4280 | return TRUE; |
252b5132 RH |
4281 | } |
4282 | ||
4283 | /* Demangle a template. If PNAME is not NULL, this sets *PNAME to a | |
4284 | string representation of the template. */ | |
4285 | ||
b34976b6 | 4286 | static bfd_boolean |
252b5132 RH |
4287 | stab_demangle_template (minfo, pp, pname) |
4288 | struct stab_demangle_info *minfo; | |
4289 | const char **pp; | |
4290 | char **pname; | |
4291 | { | |
4292 | const char *orig; | |
4293 | unsigned int r, i; | |
4294 | ||
4295 | orig = *pp; | |
4296 | ||
4297 | ++*pp; | |
4298 | ||
4299 | /* Skip the template name. */ | |
4300 | r = stab_demangle_count (pp); | |
4301 | if (r == 0 || strlen (*pp) < r) | |
4302 | { | |
4303 | stab_bad_demangle (orig); | |
b34976b6 | 4304 | return FALSE; |
252b5132 RH |
4305 | } |
4306 | *pp += r; | |
4307 | ||
4308 | /* Get the size of the parameter list. */ | |
4309 | if (stab_demangle_get_count (pp, &r) == 0) | |
4310 | { | |
4311 | stab_bad_demangle (orig); | |
b34976b6 | 4312 | return FALSE; |
252b5132 RH |
4313 | } |
4314 | ||
4315 | for (i = 0; i < r; i++) | |
4316 | { | |
4317 | if (**pp == 'Z') | |
4318 | { | |
4319 | /* This is a type parameter. */ | |
4320 | ++*pp; | |
4321 | if (! stab_demangle_type (minfo, pp, (debug_type *) NULL)) | |
b34976b6 | 4322 | return FALSE; |
252b5132 RH |
4323 | } |
4324 | else | |
4325 | { | |
4326 | const char *old_p; | |
b34976b6 AM |
4327 | bfd_boolean pointerp, realp, integralp, charp, boolp; |
4328 | bfd_boolean done; | |
252b5132 RH |
4329 | |
4330 | old_p = *pp; | |
b34976b6 AM |
4331 | pointerp = FALSE; |
4332 | realp = FALSE; | |
4333 | integralp = FALSE; | |
4334 | charp = FALSE; | |
4335 | boolp = FALSE; | |
4336 | done = FALSE; | |
252b5132 RH |
4337 | |
4338 | /* This is a value parameter. */ | |
4339 | ||
4340 | if (! stab_demangle_type (minfo, pp, (debug_type *) NULL)) | |
b34976b6 | 4341 | return FALSE; |
252b5132 RH |
4342 | |
4343 | while (*old_p != '\0' && ! done) | |
4344 | { | |
4345 | switch (*old_p) | |
4346 | { | |
4347 | case 'P': | |
4348 | case 'p': | |
4349 | case 'R': | |
b34976b6 AM |
4350 | pointerp = TRUE; |
4351 | done = TRUE; | |
252b5132 RH |
4352 | break; |
4353 | case 'C': /* Const. */ | |
4354 | case 'S': /* Signed. */ | |
4355 | case 'U': /* Unsigned. */ | |
4356 | case 'V': /* Volatile. */ | |
4357 | case 'F': /* Function. */ | |
4358 | case 'M': /* Member function. */ | |
4359 | case 'O': /* ??? */ | |
4360 | ++old_p; | |
4361 | break; | |
4362 | case 'Q': /* Qualified name. */ | |
b34976b6 AM |
4363 | integralp = TRUE; |
4364 | done = TRUE; | |
252b5132 RH |
4365 | break; |
4366 | case 'T': /* Remembered type. */ | |
4367 | abort (); | |
4368 | case 'v': /* Void. */ | |
4369 | abort (); | |
4370 | case 'x': /* Long long. */ | |
4371 | case 'l': /* Long. */ | |
4372 | case 'i': /* Int. */ | |
4373 | case 's': /* Short. */ | |
4374 | case 'w': /* Wchar_t. */ | |
b34976b6 AM |
4375 | integralp = TRUE; |
4376 | done = TRUE; | |
252b5132 RH |
4377 | break; |
4378 | case 'b': /* Bool. */ | |
b34976b6 AM |
4379 | boolp = TRUE; |
4380 | done = TRUE; | |
252b5132 RH |
4381 | break; |
4382 | case 'c': /* Char. */ | |
b34976b6 AM |
4383 | charp = TRUE; |
4384 | done = TRUE; | |
252b5132 RH |
4385 | break; |
4386 | case 'r': /* Long double. */ | |
4387 | case 'd': /* Double. */ | |
4388 | case 'f': /* Float. */ | |
b34976b6 AM |
4389 | realp = TRUE; |
4390 | done = TRUE; | |
252b5132 RH |
4391 | break; |
4392 | default: | |
4393 | /* Assume it's a user defined integral type. */ | |
b34976b6 AM |
4394 | integralp = TRUE; |
4395 | done = TRUE; | |
252b5132 RH |
4396 | break; |
4397 | } | |
4398 | } | |
4399 | ||
4400 | if (integralp) | |
4401 | { | |
4402 | if (**pp == 'm') | |
4403 | ++*pp; | |
3882b010 | 4404 | while (ISDIGIT (**pp)) |
252b5132 RH |
4405 | ++*pp; |
4406 | } | |
4407 | else if (charp) | |
4408 | { | |
4409 | unsigned int val; | |
4410 | ||
4411 | if (**pp == 'm') | |
4412 | ++*pp; | |
4413 | val = stab_demangle_count (pp); | |
4414 | if (val == 0) | |
4415 | { | |
4416 | stab_bad_demangle (orig); | |
b34976b6 | 4417 | return FALSE; |
252b5132 RH |
4418 | } |
4419 | } | |
4420 | else if (boolp) | |
4421 | { | |
4422 | unsigned int val; | |
4423 | ||
4424 | val = stab_demangle_count (pp); | |
4425 | if (val != 0 && val != 1) | |
4426 | { | |
4427 | stab_bad_demangle (orig); | |
b34976b6 | 4428 | return FALSE; |
252b5132 RH |
4429 | } |
4430 | } | |
4431 | else if (realp) | |
4432 | { | |
4433 | if (**pp == 'm') | |
4434 | ++*pp; | |
3882b010 | 4435 | while (ISDIGIT (**pp)) |
252b5132 RH |
4436 | ++*pp; |
4437 | if (**pp == '.') | |
4438 | { | |
4439 | ++*pp; | |
3882b010 | 4440 | while (ISDIGIT (**pp)) |
252b5132 RH |
4441 | ++*pp; |
4442 | } | |
4443 | if (**pp == 'e') | |
4444 | { | |
4445 | ++*pp; | |
3882b010 | 4446 | while (ISDIGIT (**pp)) |
252b5132 RH |
4447 | ++*pp; |
4448 | } | |
4449 | } | |
4450 | else if (pointerp) | |
4451 | { | |
4452 | unsigned int len; | |
4453 | ||
4454 | if (! stab_demangle_get_count (pp, &len)) | |
4455 | { | |
4456 | stab_bad_demangle (orig); | |
b34976b6 | 4457 | return FALSE; |
252b5132 RH |
4458 | } |
4459 | *pp += len; | |
4460 | } | |
4461 | } | |
4462 | } | |
4463 | ||
4464 | /* We can translate this to a string fairly easily by invoking the | |
4465 | regular demangling routine. */ | |
4466 | if (pname != NULL) | |
4467 | { | |
d81d6584 | 4468 | char *s1, *s2, *s3, *s4 = NULL; |
252b5132 RH |
4469 | char *from, *to; |
4470 | ||
4471 | s1 = savestring (orig, *pp - orig); | |
4472 | ||
4473 | s2 = concat ("NoSuchStrinG__", s1, (const char *) NULL); | |
4474 | ||
4475 | free (s1); | |
4476 | ||
4477 | s3 = cplus_demangle (s2, DMGL_ANSI); | |
4478 | ||
4479 | free (s2); | |
4480 | ||
4481 | if (s3 != NULL) | |
4482 | s4 = strstr (s3, "::NoSuchStrinG"); | |
4483 | if (s3 == NULL || s4 == NULL) | |
4484 | { | |
4485 | stab_bad_demangle (orig); | |
4486 | if (s3 != NULL) | |
4487 | free (s3); | |
b34976b6 | 4488 | return FALSE; |
252b5132 RH |
4489 | } |
4490 | ||
4491 | /* Eliminating all spaces, except those between > characters, | |
4492 | makes it more likely that the demangled name will match the | |
4493 | name which g++ used as the structure name. */ | |
4494 | for (from = to = s3; from != s4; ++from) | |
4495 | if (*from != ' ' | |
4496 | || (from[1] == '>' && from > s3 && from[-1] == '>')) | |
4497 | *to++ = *from; | |
4498 | ||
4499 | *pname = savestring (s3, to - s3); | |
4500 | ||
4501 | free (s3); | |
4502 | } | |
4503 | ||
b34976b6 | 4504 | return TRUE; |
252b5132 RH |
4505 | } |
4506 | ||
4507 | /* Demangle a class name. */ | |
4508 | ||
b34976b6 | 4509 | static bfd_boolean |
252b5132 | 4510 | stab_demangle_class (minfo, pp, pstart) |
b4c96d0d | 4511 | struct stab_demangle_info *minfo ATTRIBUTE_UNUSED; |
252b5132 RH |
4512 | const char **pp; |
4513 | const char **pstart; | |
4514 | { | |
4515 | const char *orig; | |
4516 | unsigned int n; | |
4517 | ||
4518 | orig = *pp; | |
4519 | ||
4520 | n = stab_demangle_count (pp); | |
4521 | if (strlen (*pp) < n) | |
4522 | { | |
4523 | stab_bad_demangle (orig); | |
b34976b6 | 4524 | return FALSE; |
252b5132 RH |
4525 | } |
4526 | ||
4527 | if (pstart != NULL) | |
4528 | *pstart = *pp; | |
4529 | ||
4530 | *pp += n; | |
4531 | ||
b34976b6 | 4532 | return TRUE; |
252b5132 RH |
4533 | } |
4534 | ||
4535 | /* Demangle function arguments. If the pargs argument is not NULL, it | |
4536 | is set to a NULL terminated array holding the arguments. */ | |
4537 | ||
b34976b6 | 4538 | static bfd_boolean |
252b5132 RH |
4539 | stab_demangle_args (minfo, pp, pargs, pvarargs) |
4540 | struct stab_demangle_info *minfo; | |
4541 | const char **pp; | |
4542 | debug_type **pargs; | |
b34976b6 | 4543 | bfd_boolean *pvarargs; |
252b5132 RH |
4544 | { |
4545 | const char *orig; | |
4546 | unsigned int alloc, count; | |
4547 | ||
4548 | orig = *pp; | |
4549 | ||
4550 | alloc = 10; | |
4551 | if (pargs != NULL) | |
4552 | { | |
4553 | *pargs = (debug_type *) xmalloc (alloc * sizeof **pargs); | |
b34976b6 | 4554 | *pvarargs = FALSE; |
252b5132 RH |
4555 | } |
4556 | count = 0; | |
4557 | ||
4558 | while (**pp != '_' && **pp != '\0' && **pp != 'e') | |
4559 | { | |
4560 | if (**pp == 'N' || **pp == 'T') | |
4561 | { | |
4562 | char temptype; | |
4563 | unsigned int r, t; | |
4564 | ||
4565 | temptype = **pp; | |
4566 | ++*pp; | |
4567 | ||
4568 | if (temptype == 'T') | |
4569 | r = 1; | |
4570 | else | |
4571 | { | |
4572 | if (! stab_demangle_get_count (pp, &r)) | |
4573 | { | |
4574 | stab_bad_demangle (orig); | |
b34976b6 | 4575 | return FALSE; |
252b5132 RH |
4576 | } |
4577 | } | |
4578 | ||
4579 | if (! stab_demangle_get_count (pp, &t)) | |
4580 | { | |
4581 | stab_bad_demangle (orig); | |
b34976b6 | 4582 | return FALSE; |
252b5132 RH |
4583 | } |
4584 | ||
4585 | if (t >= minfo->typestring_count) | |
4586 | { | |
4587 | stab_bad_demangle (orig); | |
b34976b6 | 4588 | return FALSE; |
252b5132 RH |
4589 | } |
4590 | while (r-- > 0) | |
4591 | { | |
4592 | const char *tem; | |
4593 | ||
4594 | tem = minfo->typestrings[t].typestring; | |
4595 | if (! stab_demangle_arg (minfo, &tem, pargs, &count, &alloc)) | |
b34976b6 | 4596 | return FALSE; |
252b5132 RH |
4597 | } |
4598 | } | |
4599 | else | |
4600 | { | |
4601 | if (! stab_demangle_arg (minfo, pp, pargs, &count, &alloc)) | |
b34976b6 | 4602 | return FALSE; |
252b5132 RH |
4603 | } |
4604 | } | |
4605 | ||
4606 | if (pargs != NULL) | |
4607 | (*pargs)[count] = DEBUG_TYPE_NULL; | |
4608 | ||
4609 | if (**pp == 'e') | |
4610 | { | |
4611 | if (pargs != NULL) | |
b34976b6 | 4612 | *pvarargs = TRUE; |
252b5132 RH |
4613 | ++*pp; |
4614 | } | |
4615 | ||
b34976b6 | 4616 | return TRUE; |
252b5132 RH |
4617 | } |
4618 | ||
4619 | /* Demangle a single argument. */ | |
4620 | ||
b34976b6 | 4621 | static bfd_boolean |
252b5132 RH |
4622 | stab_demangle_arg (minfo, pp, pargs, pcount, palloc) |
4623 | struct stab_demangle_info *minfo; | |
4624 | const char **pp; | |
4625 | debug_type **pargs; | |
4626 | unsigned int *pcount; | |
4627 | unsigned int *palloc; | |
4628 | { | |
4629 | const char *start; | |
4630 | debug_type type; | |
4631 | ||
4632 | start = *pp; | |
4633 | if (! stab_demangle_type (minfo, pp, | |
4634 | pargs == NULL ? (debug_type *) NULL : &type) | |
4635 | || ! stab_demangle_remember_type (minfo, start, *pp - start)) | |
b34976b6 | 4636 | return FALSE; |
252b5132 RH |
4637 | |
4638 | if (pargs != NULL) | |
4639 | { | |
4640 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 4641 | return FALSE; |
252b5132 RH |
4642 | |
4643 | if (*pcount + 1 >= *palloc) | |
4644 | { | |
4645 | *palloc += 10; | |
4646 | *pargs = ((debug_type *) | |
4647 | xrealloc (*pargs, *palloc * sizeof **pargs)); | |
4648 | } | |
4649 | (*pargs)[*pcount] = type; | |
4650 | ++*pcount; | |
4651 | } | |
4652 | ||
b34976b6 | 4653 | return TRUE; |
252b5132 RH |
4654 | } |
4655 | ||
4656 | /* Demangle a type. If the ptype argument is not NULL, *ptype is set | |
4657 | to the newly allocated type. */ | |
4658 | ||
b34976b6 | 4659 | static bfd_boolean |
252b5132 RH |
4660 | stab_demangle_type (minfo, pp, ptype) |
4661 | struct stab_demangle_info *minfo; | |
4662 | const char **pp; | |
4663 | debug_type *ptype; | |
4664 | { | |
4665 | const char *orig; | |
4666 | ||
4667 | orig = *pp; | |
4668 | ||
4669 | switch (**pp) | |
4670 | { | |
4671 | case 'P': | |
4672 | case 'p': | |
4673 | /* A pointer type. */ | |
4674 | ++*pp; | |
4675 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4676 | return FALSE; |
252b5132 RH |
4677 | if (ptype != NULL) |
4678 | *ptype = debug_make_pointer_type (minfo->dhandle, *ptype); | |
4679 | break; | |
4680 | ||
4681 | case 'R': | |
4682 | /* A reference type. */ | |
4683 | ++*pp; | |
4684 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4685 | return FALSE; |
252b5132 RH |
4686 | if (ptype != NULL) |
4687 | *ptype = debug_make_reference_type (minfo->dhandle, *ptype); | |
4688 | break; | |
4689 | ||
4690 | case 'A': | |
4691 | /* An array. */ | |
4692 | { | |
4693 | unsigned long high; | |
4694 | ||
4695 | ++*pp; | |
4696 | high = 0; | |
4697 | while (**pp != '\0' && **pp != '_') | |
4698 | { | |
3882b010 | 4699 | if (! ISDIGIT (**pp)) |
252b5132 RH |
4700 | { |
4701 | stab_bad_demangle (orig); | |
b34976b6 | 4702 | return FALSE; |
252b5132 RH |
4703 | } |
4704 | high *= 10; | |
4705 | high += **pp - '0'; | |
4706 | ++*pp; | |
4707 | } | |
4708 | if (**pp != '_') | |
4709 | { | |
4710 | stab_bad_demangle (orig); | |
b34976b6 | 4711 | return FALSE; |
252b5132 RH |
4712 | } |
4713 | ++*pp; | |
4714 | ||
4715 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4716 | return FALSE; |
252b5132 RH |
4717 | if (ptype != NULL) |
4718 | { | |
4719 | debug_type int_type; | |
4720 | ||
4721 | int_type = debug_find_named_type (minfo->dhandle, "int"); | |
4722 | if (int_type == NULL) | |
b34976b6 | 4723 | int_type = debug_make_int_type (minfo->dhandle, 4, FALSE); |
252b5132 | 4724 | *ptype = debug_make_array_type (minfo->dhandle, *ptype, int_type, |
b34976b6 | 4725 | 0, high, FALSE); |
252b5132 RH |
4726 | } |
4727 | } | |
4728 | break; | |
4729 | ||
4730 | case 'T': | |
4731 | /* A back reference to a remembered type. */ | |
4732 | { | |
4733 | unsigned int i; | |
4734 | const char *p; | |
4735 | ||
4736 | ++*pp; | |
4737 | if (! stab_demangle_get_count (pp, &i)) | |
4738 | { | |
4739 | stab_bad_demangle (orig); | |
b34976b6 | 4740 | return FALSE; |
252b5132 RH |
4741 | } |
4742 | if (i >= minfo->typestring_count) | |
4743 | { | |
4744 | stab_bad_demangle (orig); | |
b34976b6 | 4745 | return FALSE; |
252b5132 RH |
4746 | } |
4747 | p = minfo->typestrings[i].typestring; | |
4748 | if (! stab_demangle_type (minfo, &p, ptype)) | |
b34976b6 | 4749 | return FALSE; |
252b5132 RH |
4750 | } |
4751 | break; | |
4752 | ||
4753 | case 'F': | |
4754 | /* A function. */ | |
4755 | { | |
4756 | debug_type *args; | |
b34976b6 | 4757 | bfd_boolean varargs; |
252b5132 RH |
4758 | |
4759 | ++*pp; | |
4760 | if (! stab_demangle_args (minfo, pp, | |
4761 | (ptype == NULL | |
4762 | ? (debug_type **) NULL | |
4763 | : &args), | |
4764 | (ptype == NULL | |
b34976b6 | 4765 | ? (bfd_boolean *) NULL |
252b5132 | 4766 | : &varargs))) |
b34976b6 | 4767 | return FALSE; |
252b5132 RH |
4768 | if (**pp != '_') |
4769 | { | |
4770 | /* cplus_demangle will accept a function without a return | |
4771 | type, but I don't know when that will happen, or what | |
4772 | to do if it does. */ | |
4773 | stab_bad_demangle (orig); | |
b34976b6 | 4774 | return FALSE; |
252b5132 RH |
4775 | } |
4776 | ++*pp; | |
4777 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4778 | return FALSE; |
252b5132 RH |
4779 | if (ptype != NULL) |
4780 | *ptype = debug_make_function_type (minfo->dhandle, *ptype, args, | |
4781 | varargs); | |
4782 | ||
4783 | } | |
4784 | break; | |
4785 | ||
4786 | case 'M': | |
4787 | case 'O': | |
4788 | { | |
b34976b6 | 4789 | bfd_boolean memberp, constp, volatilep; |
c602a165 | 4790 | debug_type class_type = DEBUG_TYPE_NULL; |
252b5132 | 4791 | debug_type *args; |
b34976b6 | 4792 | bfd_boolean varargs; |
252b5132 RH |
4793 | unsigned int n; |
4794 | const char *name; | |
4795 | ||
4796 | memberp = **pp == 'M'; | |
b34976b6 AM |
4797 | constp = FALSE; |
4798 | volatilep = FALSE; | |
252b5132 | 4799 | args = NULL; |
b34976b6 | 4800 | varargs = FALSE; |
252b5132 RH |
4801 | |
4802 | ++*pp; | |
3882b010 | 4803 | if (ISDIGIT (**pp)) |
252b5132 | 4804 | { |
c602a165 ILT |
4805 | n = stab_demangle_count (pp); |
4806 | if (strlen (*pp) < n) | |
4807 | { | |
4808 | stab_bad_demangle (orig); | |
b34976b6 | 4809 | return FALSE; |
c602a165 ILT |
4810 | } |
4811 | name = *pp; | |
4812 | *pp += n; | |
4813 | ||
4814 | if (ptype != NULL) | |
4815 | { | |
4816 | class_type = stab_find_tagged_type (minfo->dhandle, | |
4817 | minfo->info, | |
4818 | name, (int) n, | |
4819 | DEBUG_KIND_CLASS); | |
4820 | if (class_type == DEBUG_TYPE_NULL) | |
b34976b6 | 4821 | return FALSE; |
c602a165 | 4822 | } |
252b5132 | 4823 | } |
c602a165 ILT |
4824 | else if (**pp == 'Q') |
4825 | { | |
4826 | if (! stab_demangle_qualified (minfo, pp, | |
4827 | (ptype == NULL | |
4828 | ? (debug_type *) NULL | |
4829 | : &class_type))) | |
b34976b6 | 4830 | return FALSE; |
c602a165 ILT |
4831 | } |
4832 | else | |
252b5132 RH |
4833 | { |
4834 | stab_bad_demangle (orig); | |
b34976b6 | 4835 | return FALSE; |
252b5132 | 4836 | } |
252b5132 RH |
4837 | |
4838 | if (memberp) | |
4839 | { | |
4840 | if (**pp == 'C') | |
4841 | { | |
b34976b6 | 4842 | constp = TRUE; |
252b5132 RH |
4843 | ++*pp; |
4844 | } | |
4845 | else if (**pp == 'V') | |
4846 | { | |
b34976b6 | 4847 | volatilep = TRUE; |
252b5132 RH |
4848 | ++*pp; |
4849 | } | |
4850 | if (**pp != 'F') | |
4851 | { | |
4852 | stab_bad_demangle (orig); | |
b34976b6 | 4853 | return FALSE; |
252b5132 RH |
4854 | } |
4855 | ++*pp; | |
4856 | if (! stab_demangle_args (minfo, pp, | |
4857 | (ptype == NULL | |
4858 | ? (debug_type **) NULL | |
4859 | : &args), | |
4860 | (ptype == NULL | |
b34976b6 | 4861 | ? (bfd_boolean *) NULL |
252b5132 | 4862 | : &varargs))) |
b34976b6 | 4863 | return FALSE; |
252b5132 RH |
4864 | } |
4865 | ||
4866 | if (**pp != '_') | |
4867 | { | |
4868 | stab_bad_demangle (orig); | |
b34976b6 | 4869 | return FALSE; |
252b5132 RH |
4870 | } |
4871 | ++*pp; | |
4872 | ||
4873 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4874 | return FALSE; |
252b5132 RH |
4875 | |
4876 | if (ptype != NULL) | |
4877 | { | |
252b5132 RH |
4878 | if (! memberp) |
4879 | *ptype = debug_make_offset_type (minfo->dhandle, class_type, | |
4880 | *ptype); | |
4881 | else | |
4882 | { | |
4883 | /* FIXME: We have no way to record constp or | |
4884 | volatilep. */ | |
4885 | *ptype = debug_make_method_type (minfo->dhandle, *ptype, | |
4886 | class_type, args, varargs); | |
4887 | } | |
4888 | } | |
4889 | } | |
4890 | break; | |
4891 | ||
4892 | case 'G': | |
4893 | ++*pp; | |
4894 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4895 | return FALSE; |
252b5132 RH |
4896 | break; |
4897 | ||
4898 | case 'C': | |
4899 | ++*pp; | |
4900 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4901 | return FALSE; |
252b5132 RH |
4902 | if (ptype != NULL) |
4903 | *ptype = debug_make_const_type (minfo->dhandle, *ptype); | |
4904 | break; | |
4905 | ||
4906 | case 'Q': | |
4907 | { | |
4908 | const char *hold; | |
4909 | ||
4910 | hold = *pp; | |
4911 | if (! stab_demangle_qualified (minfo, pp, ptype)) | |
b34976b6 | 4912 | return FALSE; |
252b5132 RH |
4913 | } |
4914 | break; | |
4915 | ||
4916 | default: | |
4917 | if (! stab_demangle_fund_type (minfo, pp, ptype)) | |
b34976b6 | 4918 | return FALSE; |
252b5132 RH |
4919 | break; |
4920 | } | |
4921 | ||
b34976b6 | 4922 | return TRUE; |
252b5132 RH |
4923 | } |
4924 | ||
4925 | /* Demangle a fundamental type. If the ptype argument is not NULL, | |
4926 | *ptype is set to the newly allocated type. */ | |
4927 | ||
b34976b6 | 4928 | static bfd_boolean |
252b5132 RH |
4929 | stab_demangle_fund_type (minfo, pp, ptype) |
4930 | struct stab_demangle_info *minfo; | |
4931 | const char **pp; | |
4932 | debug_type *ptype; | |
4933 | { | |
4934 | const char *orig; | |
b34976b6 AM |
4935 | bfd_boolean constp, volatilep, unsignedp, signedp; |
4936 | bfd_boolean done; | |
252b5132 RH |
4937 | |
4938 | orig = *pp; | |
4939 | ||
b34976b6 AM |
4940 | constp = FALSE; |
4941 | volatilep = FALSE; | |
4942 | unsignedp = FALSE; | |
4943 | signedp = FALSE; | |
252b5132 | 4944 | |
b34976b6 | 4945 | done = FALSE; |
252b5132 RH |
4946 | while (! done) |
4947 | { | |
4948 | switch (**pp) | |
4949 | { | |
4950 | case 'C': | |
b34976b6 | 4951 | constp = TRUE; |
252b5132 RH |
4952 | ++*pp; |
4953 | break; | |
4954 | ||
4955 | case 'U': | |
b34976b6 | 4956 | unsignedp = TRUE; |
252b5132 RH |
4957 | ++*pp; |
4958 | break; | |
4959 | ||
4960 | case 'S': | |
b34976b6 | 4961 | signedp = TRUE; |
252b5132 RH |
4962 | ++*pp; |
4963 | break; | |
4964 | ||
4965 | case 'V': | |
b34976b6 | 4966 | volatilep = TRUE; |
252b5132 RH |
4967 | ++*pp; |
4968 | break; | |
4969 | ||
4970 | default: | |
b34976b6 | 4971 | done = TRUE; |
252b5132 RH |
4972 | break; |
4973 | } | |
4974 | } | |
4975 | ||
4976 | switch (**pp) | |
4977 | { | |
4978 | case '\0': | |
4979 | case '_': | |
4980 | /* cplus_demangle permits this, but I don't know what it means. */ | |
4981 | stab_bad_demangle (orig); | |
4982 | break; | |
4983 | ||
4984 | case 'v': /* void */ | |
4985 | if (ptype != NULL) | |
4986 | { | |
4987 | *ptype = debug_find_named_type (minfo->dhandle, "void"); | |
4988 | if (*ptype == DEBUG_TYPE_NULL) | |
4989 | *ptype = debug_make_void_type (minfo->dhandle); | |
4990 | } | |
4991 | ++*pp; | |
4992 | break; | |
4993 | ||
4994 | case 'x': /* long long */ | |
4995 | if (ptype != NULL) | |
4996 | { | |
4997 | *ptype = debug_find_named_type (minfo->dhandle, | |
4998 | (unsignedp | |
4999 | ? "long long unsigned int" | |
5000 | : "long long int")); | |
5001 | if (*ptype == DEBUG_TYPE_NULL) | |
5002 | *ptype = debug_make_int_type (minfo->dhandle, 8, unsignedp); | |
5003 | } | |
5004 | ++*pp; | |
5005 | break; | |
5006 | ||
5007 | case 'l': /* long */ | |
5008 | if (ptype != NULL) | |
5009 | { | |
5010 | *ptype = debug_find_named_type (minfo->dhandle, | |
5011 | (unsignedp | |
5012 | ? "long unsigned int" | |
5013 | : "long int")); | |
5014 | if (*ptype == DEBUG_TYPE_NULL) | |
5015 | *ptype = debug_make_int_type (minfo->dhandle, 4, unsignedp); | |
5016 | } | |
5017 | ++*pp; | |
5018 | break; | |
5019 | ||
5020 | case 'i': /* int */ | |
5021 | if (ptype != NULL) | |
5022 | { | |
5023 | *ptype = debug_find_named_type (minfo->dhandle, | |
5024 | (unsignedp | |
5025 | ? "unsigned int" | |
5026 | : "int")); | |
5027 | if (*ptype == DEBUG_TYPE_NULL) | |
5028 | *ptype = debug_make_int_type (minfo->dhandle, 4, unsignedp); | |
5029 | } | |
5030 | ++*pp; | |
5031 | break; | |
5032 | ||
5033 | case 's': /* short */ | |
5034 | if (ptype != NULL) | |
5035 | { | |
5036 | *ptype = debug_find_named_type (minfo->dhandle, | |
5037 | (unsignedp | |
5038 | ? "short unsigned int" | |
5039 | : "short int")); | |
5040 | if (*ptype == DEBUG_TYPE_NULL) | |
5041 | *ptype = debug_make_int_type (minfo->dhandle, 2, unsignedp); | |
5042 | } | |
5043 | ++*pp; | |
5044 | break; | |
5045 | ||
5046 | case 'b': /* bool */ | |
5047 | if (ptype != NULL) | |
5048 | { | |
5049 | *ptype = debug_find_named_type (minfo->dhandle, "bool"); | |
5050 | if (*ptype == DEBUG_TYPE_NULL) | |
5051 | *ptype = debug_make_bool_type (minfo->dhandle, 4); | |
5052 | } | |
5053 | ++*pp; | |
5054 | break; | |
5055 | ||
5056 | case 'c': /* char */ | |
5057 | if (ptype != NULL) | |
5058 | { | |
5059 | *ptype = debug_find_named_type (minfo->dhandle, | |
5060 | (unsignedp | |
5061 | ? "unsigned char" | |
5062 | : (signedp | |
5063 | ? "signed char" | |
5064 | : "char"))); | |
5065 | if (*ptype == DEBUG_TYPE_NULL) | |
5066 | *ptype = debug_make_int_type (minfo->dhandle, 1, unsignedp); | |
5067 | } | |
5068 | ++*pp; | |
5069 | break; | |
5070 | ||
5071 | case 'w': /* wchar_t */ | |
5072 | if (ptype != NULL) | |
5073 | { | |
5074 | *ptype = debug_find_named_type (minfo->dhandle, "__wchar_t"); | |
5075 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 5076 | *ptype = debug_make_int_type (minfo->dhandle, 2, TRUE); |
252b5132 RH |
5077 | } |
5078 | ++*pp; | |
5079 | break; | |
5080 | ||
5081 | case 'r': /* long double */ | |
5082 | if (ptype != NULL) | |
5083 | { | |
5084 | *ptype = debug_find_named_type (minfo->dhandle, "long double"); | |
5085 | if (*ptype == DEBUG_TYPE_NULL) | |
5086 | *ptype = debug_make_float_type (minfo->dhandle, 8); | |
5087 | } | |
5088 | ++*pp; | |
5089 | break; | |
5090 | ||
5091 | case 'd': /* double */ | |
5092 | if (ptype != NULL) | |
5093 | { | |
5094 | *ptype = debug_find_named_type (minfo->dhandle, "double"); | |
5095 | if (*ptype == DEBUG_TYPE_NULL) | |
5096 | *ptype = debug_make_float_type (minfo->dhandle, 8); | |
5097 | } | |
5098 | ++*pp; | |
5099 | break; | |
5100 | ||
5101 | case 'f': /* float */ | |
5102 | if (ptype != NULL) | |
5103 | { | |
5104 | *ptype = debug_find_named_type (minfo->dhandle, "float"); | |
5105 | if (*ptype == DEBUG_TYPE_NULL) | |
5106 | *ptype = debug_make_float_type (minfo->dhandle, 4); | |
5107 | } | |
5108 | ++*pp; | |
5109 | break; | |
5110 | ||
5111 | case 'G': | |
5112 | ++*pp; | |
3882b010 | 5113 | if (! ISDIGIT (**pp)) |
252b5132 RH |
5114 | { |
5115 | stab_bad_demangle (orig); | |
b34976b6 | 5116 | return FALSE; |
252b5132 RH |
5117 | } |
5118 | /* Fall through. */ | |
5119 | case '0': case '1': case '2': case '3': case '4': | |
5120 | case '5': case '6': case '7': case '8': case '9': | |
5121 | { | |
5122 | const char *hold; | |
5123 | ||
5124 | if (! stab_demangle_class (minfo, pp, &hold)) | |
b34976b6 | 5125 | return FALSE; |
252b5132 RH |
5126 | if (ptype != NULL) |
5127 | { | |
5128 | char *name; | |
5129 | ||
5130 | name = savestring (hold, *pp - hold); | |
5131 | *ptype = debug_find_named_type (minfo->dhandle, name); | |
5132 | free (name); | |
5133 | if (*ptype == DEBUG_TYPE_NULL) | |
5134 | { | |
5135 | /* FIXME: It is probably incorrect to assume that | |
5136 | undefined types are tagged types. */ | |
5137 | *ptype = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
5138 | hold, *pp - hold, | |
5139 | DEBUG_KIND_ILLEGAL); | |
5140 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 5141 | return FALSE; |
252b5132 RH |
5142 | } |
5143 | } | |
5144 | } | |
5145 | break; | |
5146 | ||
5147 | case 't': | |
5148 | { | |
5149 | char *name; | |
5150 | ||
5151 | if (! stab_demangle_template (minfo, pp, | |
5152 | ptype != NULL ? &name : NULL)) | |
b34976b6 | 5153 | return FALSE; |
252b5132 RH |
5154 | if (ptype != NULL) |
5155 | { | |
5156 | *ptype = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
5157 | name, strlen (name), | |
5158 | DEBUG_KIND_CLASS); | |
5159 | free (name); | |
5160 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 5161 | return FALSE; |
252b5132 RH |
5162 | } |
5163 | } | |
5164 | break; | |
5165 | ||
5166 | default: | |
5167 | stab_bad_demangle (orig); | |
b34976b6 | 5168 | return FALSE; |
252b5132 RH |
5169 | } |
5170 | ||
5171 | if (ptype != NULL) | |
5172 | { | |
5173 | if (constp) | |
5174 | *ptype = debug_make_const_type (minfo->dhandle, *ptype); | |
5175 | if (volatilep) | |
5176 | *ptype = debug_make_volatile_type (minfo->dhandle, *ptype); | |
5177 | } | |
5178 | ||
b34976b6 | 5179 | return TRUE; |
252b5132 RH |
5180 | } |
5181 | ||
5182 | /* Remember a type string in a demangled string. */ | |
5183 | ||
b34976b6 | 5184 | static bfd_boolean |
252b5132 RH |
5185 | stab_demangle_remember_type (minfo, p, len) |
5186 | struct stab_demangle_info *minfo; | |
5187 | const char *p; | |
5188 | int len; | |
5189 | { | |
5190 | if (minfo->typestring_count >= minfo->typestring_alloc) | |
5191 | { | |
5192 | minfo->typestring_alloc += 10; | |
5193 | minfo->typestrings = ((struct stab_demangle_typestring *) | |
5194 | xrealloc (minfo->typestrings, | |
5195 | (minfo->typestring_alloc | |
5196 | * sizeof *minfo->typestrings))); | |
5197 | } | |
5198 | ||
5199 | minfo->typestrings[minfo->typestring_count].typestring = p; | |
5200 | minfo->typestrings[minfo->typestring_count].len = (unsigned int) len; | |
5201 | ++minfo->typestring_count; | |
5202 | ||
b34976b6 | 5203 | return TRUE; |
252b5132 | 5204 | } |