Commit | Line | Data |
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252b5132 | 1 | /* stabs.c -- Parse stabs debugging information |
12d08d70 | 2 | Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 |
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 | ||
2da42df6 AJ |
150 | static char *savestring (const char *, int); |
151 | static bfd_vma parse_number (const char **, bfd_boolean *); | |
152 | static void bad_stab (const char *); | |
153 | static void warn_stab (const char *, const char *); | |
b34976b6 | 154 | static bfd_boolean parse_stab_string |
2da42df6 | 155 | (void *, struct stab_handle *, int, int, bfd_vma, const char *); |
252b5132 | 156 | static debug_type parse_stab_type |
2da42df6 AJ |
157 | (void *, struct stab_handle *, const char *, const char **, debug_type **); |
158 | static bfd_boolean parse_stab_type_number (const char **, int *); | |
252b5132 | 159 | static debug_type parse_stab_range_type |
2da42df6 AJ |
160 | (void *, struct stab_handle *, const char *, const char **, const int *); |
161 | static debug_type parse_stab_sun_builtin_type (void *, const char **); | |
162 | static debug_type parse_stab_sun_floating_type (void *, const char **); | |
163 | static debug_type parse_stab_enum_type (void *, const char **); | |
252b5132 | 164 | static debug_type parse_stab_struct_type |
2da42df6 AJ |
165 | (void *, struct stab_handle *, const char *, const char **, |
166 | bfd_boolean, const int *); | |
b34976b6 | 167 | static bfd_boolean parse_stab_baseclasses |
2da42df6 | 168 | (void *, struct stab_handle *, const char **, debug_baseclass **); |
b34976b6 | 169 | static bfd_boolean parse_stab_struct_fields |
2da42df6 | 170 | (void *, struct stab_handle *, const char **, debug_field **, bfd_boolean *); |
b34976b6 | 171 | static bfd_boolean parse_stab_cpp_abbrev |
2da42df6 | 172 | (void *, struct stab_handle *, const char **, debug_field *); |
b34976b6 | 173 | static bfd_boolean parse_stab_one_struct_field |
2da42df6 AJ |
174 | (void *, struct stab_handle *, const char **, const char *, |
175 | debug_field *, bfd_boolean *); | |
b34976b6 | 176 | static bfd_boolean parse_stab_members |
2da42df6 AJ |
177 | (void *, struct stab_handle *, const char *, const char **, const int *, |
178 | debug_method **); | |
252b5132 | 179 | static debug_type parse_stab_argtypes |
2da42df6 AJ |
180 | (void *, struct stab_handle *, debug_type, const char *, const char *, |
181 | debug_type, const char *, bfd_boolean, bfd_boolean, const char **); | |
b34976b6 | 182 | static bfd_boolean parse_stab_tilde_field |
2da42df6 AJ |
183 | (void *, struct stab_handle *, const char **, const int *, debug_type *, |
184 | bfd_boolean *); | |
252b5132 | 185 | static debug_type parse_stab_array_type |
2da42df6 AJ |
186 | (void *, struct stab_handle *, const char **, bfd_boolean); |
187 | static void push_bincl (struct stab_handle *, const char *, bfd_vma); | |
188 | static const char *pop_bincl (struct stab_handle *); | |
189 | static bfd_boolean find_excl (struct stab_handle *, const char *, bfd_vma); | |
b34976b6 | 190 | static bfd_boolean stab_record_variable |
2da42df6 AJ |
191 | (void *, struct stab_handle *, const char *, debug_type, |
192 | enum debug_var_kind, bfd_vma); | |
193 | static bfd_boolean stab_emit_pending_vars (void *, struct stab_handle *); | |
194 | static debug_type *stab_find_slot (struct stab_handle *, const int *); | |
195 | static debug_type stab_find_type (void *, struct stab_handle *, const int *); | |
b34976b6 | 196 | static bfd_boolean stab_record_type |
2da42df6 | 197 | (void *, struct stab_handle *, const int *, debug_type); |
252b5132 | 198 | static debug_type stab_xcoff_builtin_type |
2da42df6 | 199 | (void *, struct stab_handle *, int); |
252b5132 | 200 | static debug_type stab_find_tagged_type |
2da42df6 | 201 | (void *, struct stab_handle *, const char *, int, enum debug_type_kind); |
252b5132 | 202 | static debug_type *stab_demangle_argtypes |
2da42df6 | 203 | (void *, struct stab_handle *, const char *, bfd_boolean *, unsigned int); |
041821e6 ILT |
204 | static debug_type *stab_demangle_v3_argtypes |
205 | (void *, struct stab_handle *, const char *, bfd_boolean *); | |
206 | static debug_type stab_demangle_v3_arg | |
207 | (void *, struct stab_handle *, struct demangle_component *, debug_type, | |
208 | bfd_boolean *); | |
252b5132 RH |
209 | |
210 | /* Save a string in memory. */ | |
211 | ||
212 | static char * | |
2da42df6 | 213 | savestring (const char *start, int len) |
252b5132 RH |
214 | { |
215 | char *ret; | |
216 | ||
217 | ret = (char *) xmalloc (len + 1); | |
218 | memcpy (ret, start, len); | |
219 | ret[len] = '\0'; | |
220 | return ret; | |
221 | } | |
222 | ||
223 | /* Read a number from a string. */ | |
224 | ||
225 | static bfd_vma | |
2da42df6 | 226 | parse_number (const char **pp, bfd_boolean *poverflow) |
252b5132 RH |
227 | { |
228 | unsigned long ul; | |
229 | const char *orig; | |
230 | ||
231 | if (poverflow != NULL) | |
b34976b6 | 232 | *poverflow = FALSE; |
252b5132 RH |
233 | |
234 | orig = *pp; | |
235 | ||
236 | errno = 0; | |
237 | ul = strtoul (*pp, (char **) pp, 0); | |
238 | if (ul + 1 != 0 || errno == 0) | |
239 | { | |
240 | /* If bfd_vma is larger than unsigned long, and the number is | |
241 | meant to be negative, we have to make sure that we sign | |
242 | extend properly. */ | |
243 | if (*orig == '-') | |
244 | return (bfd_vma) (bfd_signed_vma) (long) ul; | |
245 | return (bfd_vma) ul; | |
246 | } | |
247 | ||
248 | /* Note that even though strtoul overflowed, it should have set *pp | |
249 | to the end of the number, which is where we want it. */ | |
252b5132 RH |
250 | if (sizeof (bfd_vma) > sizeof (unsigned long)) |
251 | { | |
252 | const char *p; | |
b34976b6 | 253 | bfd_boolean neg; |
252b5132 RH |
254 | int base; |
255 | bfd_vma over, lastdig; | |
b34976b6 | 256 | bfd_boolean overflow; |
252b5132 RH |
257 | bfd_vma v; |
258 | ||
259 | /* Our own version of strtoul, for a bfd_vma. */ | |
252b5132 RH |
260 | p = orig; |
261 | ||
b34976b6 | 262 | neg = FALSE; |
252b5132 RH |
263 | if (*p == '+') |
264 | ++p; | |
265 | else if (*p == '-') | |
266 | { | |
b34976b6 | 267 | neg = TRUE; |
252b5132 RH |
268 | ++p; |
269 | } | |
270 | ||
271 | base = 10; | |
272 | if (*p == '0') | |
273 | { | |
274 | if (p[1] == 'x' || p[1] == 'X') | |
275 | { | |
276 | base = 16; | |
277 | p += 2; | |
278 | } | |
279 | else | |
280 | { | |
281 | base = 8; | |
282 | ++p; | |
283 | } | |
284 | } | |
285 | ||
286 | over = ((bfd_vma) (bfd_signed_vma) -1) / (bfd_vma) base; | |
287 | lastdig = ((bfd_vma) (bfd_signed_vma) -1) % (bfd_vma) base; | |
288 | ||
b34976b6 | 289 | overflow = FALSE; |
252b5132 RH |
290 | v = 0; |
291 | while (1) | |
292 | { | |
293 | int d; | |
294 | ||
295 | d = *p++; | |
3882b010 | 296 | if (ISDIGIT (d)) |
252b5132 | 297 | d -= '0'; |
3882b010 | 298 | else if (ISUPPER (d)) |
252b5132 | 299 | d -= 'A'; |
3882b010 | 300 | else if (ISLOWER (d)) |
252b5132 RH |
301 | d -= 'a'; |
302 | else | |
303 | break; | |
304 | ||
305 | if (d >= base) | |
306 | break; | |
307 | ||
308 | if (v > over || (v == over && (bfd_vma) d > lastdig)) | |
309 | { | |
b34976b6 | 310 | overflow = TRUE; |
252b5132 RH |
311 | break; |
312 | } | |
313 | } | |
314 | ||
315 | if (! overflow) | |
316 | { | |
317 | if (neg) | |
318 | v = - v; | |
319 | return v; | |
320 | } | |
321 | } | |
322 | ||
323 | /* If we get here, the number is too large to represent in a | |
324 | bfd_vma. */ | |
252b5132 | 325 | if (poverflow != NULL) |
b34976b6 | 326 | *poverflow = TRUE; |
252b5132 RH |
327 | else |
328 | warn_stab (orig, _("numeric overflow")); | |
329 | ||
330 | return 0; | |
331 | } | |
332 | ||
333 | /* Give an error for a bad stab string. */ | |
334 | ||
335 | static void | |
2da42df6 | 336 | bad_stab (const char *p) |
252b5132 RH |
337 | { |
338 | fprintf (stderr, _("Bad stab: %s\n"), p); | |
339 | } | |
340 | ||
341 | /* Warn about something in a stab string. */ | |
342 | ||
343 | static void | |
2da42df6 | 344 | warn_stab (const char *p, const char *err) |
252b5132 RH |
345 | { |
346 | fprintf (stderr, _("Warning: %s: %s\n"), err, p); | |
347 | } | |
348 | ||
349 | /* Create a handle to parse stabs symbols with. */ | |
350 | ||
2da42df6 AJ |
351 | void * |
352 | start_stab (void *dhandle ATTRIBUTE_UNUSED, bfd *abfd, bfd_boolean sections, | |
353 | asymbol **syms, long symcount) | |
252b5132 RH |
354 | { |
355 | struct stab_handle *ret; | |
356 | ||
357 | ret = (struct stab_handle *) xmalloc (sizeof *ret); | |
358 | memset (ret, 0, sizeof *ret); | |
359 | ret->abfd = abfd; | |
360 | ret->sections = sections; | |
361 | ret->syms = syms; | |
362 | ret->symcount = symcount; | |
363 | ret->files = 1; | |
364 | ret->file_types = (struct stab_types **) xmalloc (sizeof *ret->file_types); | |
365 | ret->file_types[0] = NULL; | |
366 | ret->function_end = (bfd_vma) -1; | |
2da42df6 | 367 | return (void *) ret; |
252b5132 RH |
368 | } |
369 | ||
370 | /* When we have processed all the stabs information, we need to go | |
371 | through and fill in all the undefined tags. */ | |
372 | ||
b34976b6 | 373 | bfd_boolean |
2da42df6 | 374 | finish_stab (void *dhandle, void *handle) |
252b5132 RH |
375 | { |
376 | struct stab_handle *info = (struct stab_handle *) handle; | |
377 | struct stab_tag *st; | |
378 | ||
379 | if (info->within_function) | |
380 | { | |
381 | if (! stab_emit_pending_vars (dhandle, info) | |
382 | || ! debug_end_function (dhandle, info->function_end)) | |
b34976b6 AM |
383 | return FALSE; |
384 | info->within_function = FALSE; | |
252b5132 RH |
385 | info->function_end = (bfd_vma) -1; |
386 | } | |
387 | ||
388 | for (st = info->tags; st != NULL; st = st->next) | |
389 | { | |
390 | enum debug_type_kind kind; | |
391 | ||
392 | kind = st->kind; | |
393 | if (kind == DEBUG_KIND_ILLEGAL) | |
394 | kind = DEBUG_KIND_STRUCT; | |
395 | st->slot = debug_make_undefined_tagged_type (dhandle, st->name, kind); | |
396 | if (st->slot == DEBUG_TYPE_NULL) | |
b34976b6 | 397 | return FALSE; |
252b5132 RH |
398 | } |
399 | ||
b34976b6 | 400 | return TRUE; |
252b5132 RH |
401 | } |
402 | ||
403 | /* Handle a single stabs symbol. */ | |
404 | ||
b34976b6 | 405 | bfd_boolean |
2da42df6 AJ |
406 | parse_stab (void *dhandle, void *handle, int type, int desc, bfd_vma value, |
407 | const char *string) | |
252b5132 RH |
408 | { |
409 | struct stab_handle *info = (struct stab_handle *) handle; | |
410 | ||
411 | /* gcc will emit two N_SO strings per compilation unit, one for the | |
412 | directory name and one for the file name. We just collect N_SO | |
413 | strings as we see them, and start the new compilation unit when | |
414 | we see a non N_SO symbol. */ | |
415 | if (info->so_string != NULL | |
416 | && (type != N_SO || *string == '\0' || value != info->so_value)) | |
417 | { | |
418 | if (! debug_set_filename (dhandle, info->so_string)) | |
b34976b6 | 419 | return FALSE; |
252b5132 RH |
420 | info->main_filename = info->so_string; |
421 | ||
422 | info->gcc_compiled = 0; | |
b34976b6 | 423 | info->n_opt_found = FALSE; |
252b5132 RH |
424 | |
425 | /* Generally, for stabs in the symbol table, the N_LBRAC and | |
426 | N_RBRAC symbols are relative to the N_SO symbol value. */ | |
427 | if (! info->sections) | |
428 | info->file_start_offset = info->so_value; | |
429 | ||
430 | /* We need to reset the mapping from type numbers to types. We | |
431 | can't free the old mapping, because of the use of | |
432 | debug_make_indirect_type. */ | |
433 | info->files = 1; | |
434 | info->file_types = ((struct stab_types **) | |
435 | xmalloc (sizeof *info->file_types)); | |
436 | info->file_types[0] = NULL; | |
437 | ||
438 | info->so_string = NULL; | |
439 | ||
440 | /* Now process whatever type we just got. */ | |
441 | } | |
442 | ||
443 | switch (type) | |
444 | { | |
445 | case N_FN: | |
446 | case N_FN_SEQ: | |
447 | break; | |
448 | ||
449 | case N_LBRAC: | |
450 | /* Ignore extra outermost context from SunPRO cc and acc. */ | |
451 | if (info->n_opt_found && desc == 1) | |
452 | break; | |
453 | ||
454 | if (! info->within_function) | |
455 | { | |
456 | fprintf (stderr, _("N_LBRAC not within function\n")); | |
b34976b6 | 457 | return FALSE; |
252b5132 RH |
458 | } |
459 | ||
460 | /* Start an inner lexical block. */ | |
461 | if (! debug_start_block (dhandle, | |
462 | (value | |
463 | + info->file_start_offset | |
464 | + info->function_start_offset))) | |
b34976b6 | 465 | return FALSE; |
252b5132 RH |
466 | |
467 | /* Emit any pending variable definitions. */ | |
468 | if (! stab_emit_pending_vars (dhandle, info)) | |
b34976b6 | 469 | return FALSE; |
252b5132 RH |
470 | |
471 | ++info->block_depth; | |
472 | break; | |
473 | ||
474 | case N_RBRAC: | |
475 | /* Ignore extra outermost context from SunPRO cc and acc. */ | |
476 | if (info->n_opt_found && desc == 1) | |
477 | break; | |
478 | ||
479 | /* We shouldn't have any pending variable definitions here, but, | |
480 | if we do, we probably need to emit them before closing the | |
481 | block. */ | |
482 | if (! stab_emit_pending_vars (dhandle, info)) | |
b34976b6 | 483 | return FALSE; |
252b5132 RH |
484 | |
485 | /* End an inner lexical block. */ | |
486 | if (! debug_end_block (dhandle, | |
487 | (value | |
488 | + info->file_start_offset | |
489 | + info->function_start_offset))) | |
b34976b6 | 490 | return FALSE; |
252b5132 RH |
491 | |
492 | --info->block_depth; | |
493 | if (info->block_depth < 0) | |
494 | { | |
495 | fprintf (stderr, _("Too many N_RBRACs\n")); | |
b34976b6 | 496 | return FALSE; |
252b5132 RH |
497 | } |
498 | break; | |
499 | ||
500 | case N_SO: | |
501 | /* This always ends a function. */ | |
502 | if (info->within_function) | |
503 | { | |
504 | bfd_vma endval; | |
505 | ||
506 | endval = value; | |
507 | if (*string != '\0' | |
508 | && info->function_end != (bfd_vma) -1 | |
509 | && info->function_end < endval) | |
510 | endval = info->function_end; | |
511 | if (! stab_emit_pending_vars (dhandle, info) | |
512 | || ! debug_end_function (dhandle, endval)) | |
b34976b6 AM |
513 | return FALSE; |
514 | info->within_function = FALSE; | |
252b5132 RH |
515 | info->function_end = (bfd_vma) -1; |
516 | } | |
517 | ||
518 | /* An empty string is emitted by gcc at the end of a compilation | |
519 | unit. */ | |
520 | if (*string == '\0') | |
b34976b6 | 521 | return TRUE; |
252b5132 RH |
522 | |
523 | /* Just accumulate strings until we see a non N_SO symbol. If | |
524 | the string starts with a directory separator or some other | |
525 | form of absolute path specification, we discard the previously | |
526 | accumulated strings. */ | |
527 | if (info->so_string == NULL) | |
528 | info->so_string = xstrdup (string); | |
529 | else | |
530 | { | |
531 | char *f; | |
532 | ||
533 | f = info->so_string; | |
534 | ||
9f66665a | 535 | if (IS_ABSOLUTE_PATH (string)) |
252b5132 RH |
536 | info->so_string = xstrdup (string); |
537 | else | |
538 | info->so_string = concat (info->so_string, string, | |
539 | (const char *) NULL); | |
540 | free (f); | |
541 | } | |
542 | ||
543 | info->so_value = value; | |
544 | ||
545 | break; | |
546 | ||
547 | case N_SOL: | |
548 | /* Start an include file. */ | |
549 | if (! debug_start_source (dhandle, string)) | |
b34976b6 | 550 | return FALSE; |
252b5132 RH |
551 | break; |
552 | ||
553 | case N_BINCL: | |
554 | /* Start an include file which may be replaced. */ | |
555 | push_bincl (info, string, value); | |
556 | if (! debug_start_source (dhandle, string)) | |
b34976b6 | 557 | return FALSE; |
252b5132 RH |
558 | break; |
559 | ||
560 | case N_EINCL: | |
561 | /* End an N_BINCL include. */ | |
562 | if (! debug_start_source (dhandle, pop_bincl (info))) | |
b34976b6 | 563 | return FALSE; |
252b5132 RH |
564 | break; |
565 | ||
566 | case N_EXCL: | |
567 | /* This is a duplicate of a header file named by N_BINCL which | |
568 | was eliminated by the linker. */ | |
569 | if (! find_excl (info, string, value)) | |
b34976b6 | 570 | return FALSE; |
252b5132 RH |
571 | break; |
572 | ||
573 | case N_SLINE: | |
574 | if (! debug_record_line (dhandle, desc, | |
6de15b9e NC |
575 | value + (info->within_function |
576 | ? info->function_start_offset : 0))) | |
b34976b6 | 577 | return FALSE; |
252b5132 RH |
578 | break; |
579 | ||
580 | case N_BCOMM: | |
581 | if (! debug_start_common_block (dhandle, string)) | |
b34976b6 | 582 | return FALSE; |
252b5132 RH |
583 | break; |
584 | ||
585 | case N_ECOMM: | |
586 | if (! debug_end_common_block (dhandle, string)) | |
b34976b6 | 587 | return FALSE; |
252b5132 RH |
588 | break; |
589 | ||
590 | case N_FUN: | |
591 | if (*string == '\0') | |
592 | { | |
593 | if (info->within_function) | |
594 | { | |
595 | /* This always marks the end of a function; we don't | |
596 | need to worry about info->function_end. */ | |
597 | if (info->sections) | |
598 | value += info->function_start_offset; | |
599 | if (! stab_emit_pending_vars (dhandle, info) | |
600 | || ! debug_end_function (dhandle, value)) | |
b34976b6 AM |
601 | return FALSE; |
602 | info->within_function = FALSE; | |
252b5132 RH |
603 | info->function_end = (bfd_vma) -1; |
604 | } | |
605 | break; | |
606 | } | |
607 | ||
608 | /* A const static symbol in the .text section will have an N_FUN | |
609 | entry. We need to use these to mark the end of the function, | |
610 | in case we are looking at gcc output before it was changed to | |
611 | always emit an empty N_FUN. We can't call debug_end_function | |
612 | here, because it might be a local static symbol. */ | |
613 | if (info->within_function | |
614 | && (info->function_end == (bfd_vma) -1 | |
615 | || value < info->function_end)) | |
616 | info->function_end = value; | |
617 | ||
618 | /* Fall through. */ | |
619 | /* FIXME: gdb checks the string for N_STSYM, N_LCSYM or N_ROSYM | |
620 | symbols, and if it does not start with :S, gdb relocates the | |
621 | value to the start of the section. gcc always seems to use | |
622 | :S, so we don't worry about this. */ | |
623 | /* Fall through. */ | |
624 | default: | |
625 | { | |
626 | const char *colon; | |
627 | ||
628 | colon = strchr (string, ':'); | |
629 | if (colon != NULL | |
630 | && (colon[1] == 'f' || colon[1] == 'F')) | |
631 | { | |
632 | if (info->within_function) | |
633 | { | |
634 | bfd_vma endval; | |
635 | ||
636 | endval = value; | |
637 | if (info->function_end != (bfd_vma) -1 | |
638 | && info->function_end < endval) | |
639 | endval = info->function_end; | |
640 | if (! stab_emit_pending_vars (dhandle, info) | |
641 | || ! debug_end_function (dhandle, endval)) | |
b34976b6 | 642 | return FALSE; |
252b5132 RH |
643 | info->function_end = (bfd_vma) -1; |
644 | } | |
645 | /* For stabs in sections, line numbers and block addresses | |
646 | are offsets from the start of the function. */ | |
647 | if (info->sections) | |
648 | info->function_start_offset = value; | |
b34976b6 | 649 | info->within_function = TRUE; |
252b5132 RH |
650 | } |
651 | ||
652 | if (! parse_stab_string (dhandle, info, type, desc, value, string)) | |
b34976b6 | 653 | return FALSE; |
252b5132 RH |
654 | } |
655 | break; | |
656 | ||
657 | case N_OPT: | |
658 | if (string != NULL && strcmp (string, "gcc2_compiled.") == 0) | |
659 | info->gcc_compiled = 2; | |
660 | else if (string != NULL && strcmp (string, "gcc_compiled.") == 0) | |
661 | info->gcc_compiled = 1; | |
662 | else | |
b34976b6 | 663 | info->n_opt_found = TRUE; |
252b5132 RH |
664 | break; |
665 | ||
666 | case N_OBJ: | |
667 | case N_ENDM: | |
668 | case N_MAIN: | |
8855cbca | 669 | case N_WARNING: |
252b5132 RH |
670 | break; |
671 | } | |
672 | ||
b34976b6 | 673 | return TRUE; |
252b5132 RH |
674 | } |
675 | ||
676 | /* Parse the stabs string. */ | |
677 | ||
b34976b6 | 678 | static bfd_boolean |
2da42df6 AJ |
679 | parse_stab_string (void *dhandle, struct stab_handle *info, int stabtype, |
680 | int desc, bfd_vma value, const char *string) | |
252b5132 RH |
681 | { |
682 | const char *p; | |
683 | char *name; | |
684 | int type; | |
685 | debug_type dtype; | |
b34976b6 AM |
686 | bfd_boolean synonym; |
687 | bfd_boolean self_crossref; | |
252b5132 RH |
688 | unsigned int lineno; |
689 | debug_type *slot; | |
690 | ||
691 | p = strchr (string, ':'); | |
692 | if (p == NULL) | |
b34976b6 | 693 | return TRUE; |
252b5132 RH |
694 | |
695 | while (p[1] == ':') | |
696 | { | |
697 | p += 2; | |
698 | p = strchr (p, ':'); | |
699 | if (p == NULL) | |
700 | { | |
701 | bad_stab (string); | |
b34976b6 | 702 | return FALSE; |
252b5132 RH |
703 | } |
704 | } | |
705 | ||
706 | /* GCC 2.x puts the line number in desc. SunOS apparently puts in | |
707 | the number of bytes occupied by a type or object, which we | |
708 | ignore. */ | |
709 | if (info->gcc_compiled >= 2) | |
710 | lineno = desc; | |
711 | else | |
712 | lineno = 0; | |
713 | ||
714 | /* FIXME: Sometimes the special C++ names start with '.'. */ | |
715 | name = NULL; | |
716 | if (string[0] == '$') | |
717 | { | |
718 | switch (string[1]) | |
719 | { | |
720 | case 't': | |
721 | name = "this"; | |
722 | break; | |
723 | case 'v': | |
724 | /* Was: name = "vptr"; */ | |
725 | break; | |
726 | case 'e': | |
727 | name = "eh_throw"; | |
728 | break; | |
729 | case '_': | |
730 | /* This was an anonymous type that was never fixed up. */ | |
731 | break; | |
732 | case 'X': | |
733 | /* SunPRO (3.0 at least) static variable encoding. */ | |
734 | break; | |
735 | default: | |
736 | warn_stab (string, _("unknown C++ encoded name")); | |
737 | break; | |
738 | } | |
739 | } | |
740 | ||
741 | if (name == NULL) | |
742 | { | |
743 | if (p == string || (string[0] == ' ' && p == string + 1)) | |
744 | name = NULL; | |
745 | else | |
746 | name = savestring (string, p - string); | |
747 | } | |
748 | ||
749 | ++p; | |
3882b010 | 750 | if (ISDIGIT (*p) || *p == '(' || *p == '-') |
252b5132 RH |
751 | type = 'l'; |
752 | else | |
753 | type = *p++; | |
754 | ||
755 | switch (type) | |
756 | { | |
757 | case 'c': | |
758 | /* c is a special case, not followed by a type-number. | |
759 | SYMBOL:c=iVALUE for an integer constant symbol. | |
760 | SYMBOL:c=rVALUE for a floating constant symbol. | |
761 | SYMBOL:c=eTYPE,INTVALUE for an enum constant symbol. | |
762 | e.g. "b:c=e6,0" for "const b = blob1" | |
763 | (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */ | |
764 | if (*p != '=') | |
765 | { | |
766 | bad_stab (string); | |
b34976b6 | 767 | return FALSE; |
252b5132 RH |
768 | } |
769 | ++p; | |
770 | switch (*p++) | |
771 | { | |
772 | case 'r': | |
773 | /* Floating point constant. */ | |
774 | if (! debug_record_float_const (dhandle, name, atof (p))) | |
b34976b6 | 775 | return FALSE; |
252b5132 RH |
776 | break; |
777 | case 'i': | |
778 | /* Integer constant. */ | |
779 | /* Defining integer constants this way is kind of silly, | |
780 | since 'e' constants allows the compiler to give not only | |
781 | the value, but the type as well. C has at least int, | |
782 | long, unsigned int, and long long as constant types; | |
783 | other languages probably should have at least unsigned as | |
784 | well as signed constants. */ | |
785 | if (! debug_record_int_const (dhandle, name, atoi (p))) | |
b34976b6 | 786 | return FALSE; |
252b5132 RH |
787 | break; |
788 | case 'e': | |
789 | /* SYMBOL:c=eTYPE,INTVALUE for a constant symbol whose value | |
790 | can be represented as integral. | |
791 | e.g. "b:c=e6,0" for "const b = blob1" | |
792 | (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */ | |
793 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
794 | &p, (debug_type **) NULL); | |
795 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 796 | return FALSE; |
252b5132 RH |
797 | if (*p != ',') |
798 | { | |
799 | bad_stab (string); | |
b34976b6 | 800 | return FALSE; |
252b5132 RH |
801 | } |
802 | if (! debug_record_typed_const (dhandle, name, dtype, atoi (p))) | |
b34976b6 | 803 | return FALSE; |
252b5132 RH |
804 | break; |
805 | default: | |
806 | bad_stab (string); | |
b34976b6 | 807 | return FALSE; |
252b5132 RH |
808 | } |
809 | ||
810 | break; | |
811 | ||
812 | case 'C': | |
813 | /* The name of a caught exception. */ | |
814 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
815 | &p, (debug_type **) NULL); | |
816 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 817 | return FALSE; |
252b5132 | 818 | if (! debug_record_label (dhandle, name, dtype, value)) |
b34976b6 | 819 | return FALSE; |
252b5132 RH |
820 | break; |
821 | ||
822 | case 'f': | |
823 | case 'F': | |
824 | /* A function definition. */ | |
825 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
826 | (debug_type **) NULL); | |
827 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 828 | return FALSE; |
252b5132 | 829 | if (! debug_record_function (dhandle, name, dtype, type == 'F', value)) |
b34976b6 | 830 | return FALSE; |
252b5132 RH |
831 | |
832 | /* Sun acc puts declared types of arguments here. We don't care | |
833 | about their actual types (FIXME -- we should remember the whole | |
834 | function prototype), but the list may define some new types | |
835 | that we have to remember, so we must scan it now. */ | |
836 | while (*p == ';') | |
837 | { | |
838 | ++p; | |
839 | if (parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
840 | (debug_type **) NULL) | |
841 | == DEBUG_TYPE_NULL) | |
b34976b6 | 842 | return FALSE; |
252b5132 RH |
843 | } |
844 | ||
845 | break; | |
846 | ||
847 | case 'G': | |
848 | { | |
849 | char leading; | |
850 | long c; | |
851 | asymbol **ps; | |
852 | ||
853 | /* A global symbol. The value must be extracted from the | |
854 | symbol table. */ | |
855 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
856 | (debug_type **) NULL); | |
857 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 858 | return FALSE; |
252b5132 RH |
859 | leading = bfd_get_symbol_leading_char (info->abfd); |
860 | for (c = info->symcount, ps = info->syms; c > 0; --c, ++ps) | |
861 | { | |
862 | const char *n; | |
863 | ||
864 | n = bfd_asymbol_name (*ps); | |
865 | if (leading != '\0' && *n == leading) | |
866 | ++n; | |
867 | if (*n == *name && strcmp (n, name) == 0) | |
868 | break; | |
869 | } | |
870 | if (c > 0) | |
871 | value = bfd_asymbol_value (*ps); | |
872 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_GLOBAL, | |
873 | value)) | |
b34976b6 | 874 | return FALSE; |
252b5132 RH |
875 | } |
876 | break; | |
877 | ||
878 | /* This case is faked by a conditional above, when there is no | |
879 | code letter in the dbx data. Dbx data never actually | |
880 | contains 'l'. */ | |
881 | case 'l': | |
882 | case 's': | |
883 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
884 | (debug_type **) NULL); | |
885 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 886 | return FALSE; |
252b5132 RH |
887 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_LOCAL, |
888 | value)) | |
b34976b6 | 889 | return FALSE; |
252b5132 RH |
890 | break; |
891 | ||
892 | case 'p': | |
893 | /* A function parameter. */ | |
894 | if (*p != 'F') | |
895 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
896 | (debug_type **) NULL); | |
897 | else | |
898 | { | |
899 | /* pF is a two-letter code that means a function parameter in | |
900 | Fortran. The type-number specifies the type of the return | |
901 | value. Translate it into a pointer-to-function type. */ | |
902 | ++p; | |
903 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
904 | (debug_type **) NULL); | |
905 | if (dtype != DEBUG_TYPE_NULL) | |
906 | { | |
907 | debug_type ftype; | |
908 | ||
909 | ftype = debug_make_function_type (dhandle, dtype, | |
b34976b6 | 910 | (debug_type *) NULL, FALSE); |
252b5132 RH |
911 | dtype = debug_make_pointer_type (dhandle, ftype); |
912 | } | |
913 | } | |
914 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 915 | return FALSE; |
252b5132 RH |
916 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_STACK, |
917 | value)) | |
b34976b6 | 918 | return FALSE; |
252b5132 RH |
919 | |
920 | /* FIXME: At this point gdb considers rearranging the parameter | |
921 | address on a big endian machine if it is smaller than an int. | |
922 | We have no way to do that, since we don't really know much | |
923 | about the target. */ | |
252b5132 RH |
924 | break; |
925 | ||
926 | case 'P': | |
927 | if (stabtype == N_FUN) | |
928 | { | |
929 | /* Prototype of a function referenced by this file. */ | |
930 | while (*p == ';') | |
931 | { | |
932 | ++p; | |
933 | if (parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
934 | (debug_type **) NULL) | |
935 | == DEBUG_TYPE_NULL) | |
b34976b6 | 936 | return FALSE; |
252b5132 RH |
937 | } |
938 | break; | |
939 | } | |
940 | /* Fall through. */ | |
941 | case 'R': | |
942 | /* Parameter which is in a register. */ | |
943 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
944 | (debug_type **) NULL); | |
945 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 946 | return FALSE; |
252b5132 RH |
947 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REG, |
948 | value)) | |
b34976b6 | 949 | return FALSE; |
252b5132 RH |
950 | break; |
951 | ||
952 | case 'r': | |
953 | /* Register variable (either global or local). */ | |
954 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
955 | (debug_type **) NULL); | |
956 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 957 | return FALSE; |
252b5132 RH |
958 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_REGISTER, |
959 | value)) | |
b34976b6 | 960 | return FALSE; |
252b5132 RH |
961 | |
962 | /* FIXME: At this point gdb checks to combine pairs of 'p' and | |
963 | 'r' stabs into a single 'P' stab. */ | |
252b5132 RH |
964 | break; |
965 | ||
966 | case 'S': | |
7eb5191a | 967 | /* Static symbol at top level of file. */ |
252b5132 RH |
968 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
969 | (debug_type **) NULL); | |
970 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 971 | return FALSE; |
252b5132 RH |
972 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_STATIC, |
973 | value)) | |
b34976b6 | 974 | return FALSE; |
252b5132 RH |
975 | break; |
976 | ||
977 | case 't': | |
978 | /* A typedef. */ | |
979 | dtype = parse_stab_type (dhandle, info, name, &p, &slot); | |
980 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 981 | return FALSE; |
252b5132 RH |
982 | if (name == NULL) |
983 | { | |
984 | /* A nameless type. Nothing to do. */ | |
b34976b6 | 985 | return TRUE; |
252b5132 RH |
986 | } |
987 | ||
988 | dtype = debug_name_type (dhandle, name, dtype); | |
989 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 990 | return FALSE; |
252b5132 RH |
991 | |
992 | if (slot != NULL) | |
993 | *slot = dtype; | |
994 | ||
995 | break; | |
996 | ||
997 | case 'T': | |
998 | /* Struct, union, or enum tag. For GNU C++, this can be be followed | |
999 | by 't' which means we are typedef'ing it as well. */ | |
1000 | if (*p != 't') | |
1001 | { | |
b34976b6 AM |
1002 | synonym = FALSE; |
1003 | /* FIXME: gdb sets synonym to TRUE if the current language | |
252b5132 RH |
1004 | is C++. */ |
1005 | } | |
1006 | else | |
1007 | { | |
b34976b6 | 1008 | synonym = TRUE; |
252b5132 RH |
1009 | ++p; |
1010 | } | |
1011 | ||
1012 | dtype = parse_stab_type (dhandle, info, name, &p, &slot); | |
1013 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1014 | return FALSE; |
252b5132 | 1015 | if (name == NULL) |
b34976b6 | 1016 | return TRUE; |
252b5132 RH |
1017 | |
1018 | /* INFO->SELF_CROSSREF is set by parse_stab_type if this type is | |
1019 | a cross reference to itself. These are generated by some | |
1020 | versions of g++. */ | |
1021 | self_crossref = info->self_crossref; | |
1022 | ||
1023 | dtype = debug_tag_type (dhandle, name, dtype); | |
1024 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1025 | return FALSE; |
252b5132 RH |
1026 | if (slot != NULL) |
1027 | *slot = dtype; | |
1028 | ||
1029 | /* See if we have a cross reference to this tag which we can now | |
1030 | fill in. Avoid filling in a cross reference to ourselves, | |
1031 | because that would lead to circular debugging information. */ | |
1032 | if (! self_crossref) | |
1033 | { | |
1034 | register struct stab_tag **pst; | |
1035 | ||
1036 | for (pst = &info->tags; *pst != NULL; pst = &(*pst)->next) | |
1037 | { | |
1038 | if ((*pst)->name[0] == name[0] | |
1039 | && strcmp ((*pst)->name, name) == 0) | |
1040 | { | |
1041 | (*pst)->slot = dtype; | |
1042 | *pst = (*pst)->next; | |
1043 | break; | |
1044 | } | |
1045 | } | |
1046 | } | |
1047 | ||
1048 | if (synonym) | |
1049 | { | |
1050 | dtype = debug_name_type (dhandle, name, dtype); | |
1051 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1052 | return FALSE; |
252b5132 RH |
1053 | |
1054 | if (slot != NULL) | |
1055 | *slot = dtype; | |
1056 | } | |
1057 | ||
1058 | break; | |
1059 | ||
1060 | case 'V': | |
1061 | /* Static symbol of local scope */ | |
1062 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1063 | (debug_type **) NULL); | |
1064 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1065 | return FALSE; |
252b5132 RH |
1066 | /* FIXME: gdb checks os9k_stabs here. */ |
1067 | if (! stab_record_variable (dhandle, info, name, dtype, | |
1068 | DEBUG_LOCAL_STATIC, value)) | |
b34976b6 | 1069 | return FALSE; |
252b5132 RH |
1070 | break; |
1071 | ||
1072 | case 'v': | |
1073 | /* Reference parameter. */ | |
1074 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1075 | (debug_type **) NULL); | |
1076 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1077 | return FALSE; |
252b5132 RH |
1078 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REFERENCE, |
1079 | value)) | |
b34976b6 | 1080 | return FALSE; |
252b5132 RH |
1081 | break; |
1082 | ||
1083 | case 'a': | |
1084 | /* Reference parameter which is in a register. */ | |
1085 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1086 | (debug_type **) NULL); | |
1087 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1088 | return FALSE; |
252b5132 RH |
1089 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REF_REG, |
1090 | value)) | |
b34976b6 | 1091 | return FALSE; |
252b5132 RH |
1092 | break; |
1093 | ||
1094 | case 'X': | |
1095 | /* This is used by Sun FORTRAN for "function result value". | |
1096 | Sun claims ("dbx and dbxtool interfaces", 2nd ed) | |
1097 | that Pascal uses it too, but when I tried it Pascal used | |
1098 | "x:3" (local symbol) instead. */ | |
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 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_LOCAL, |
1104 | value)) | |
b34976b6 | 1105 | return FALSE; |
252b5132 RH |
1106 | break; |
1107 | ||
1108 | default: | |
1109 | bad_stab (string); | |
b34976b6 | 1110 | return FALSE; |
252b5132 RH |
1111 | } |
1112 | ||
1113 | /* FIXME: gdb converts structure values to structure pointers in a | |
1114 | couple of cases, depending upon the target. */ | |
1115 | ||
b34976b6 | 1116 | return TRUE; |
252b5132 RH |
1117 | } |
1118 | ||
1119 | /* Parse a stabs type. The typename argument is non-NULL if this is a | |
1120 | typedef or a tag definition. The pp argument points to the stab | |
1121 | string, and is updated. The slotp argument points to a place to | |
1122 | store the slot used if the type is being defined. */ | |
1123 | ||
1124 | static debug_type | |
2da42df6 | 1125 | parse_stab_type (void *dhandle, struct stab_handle *info, const char *typename, const char **pp, debug_type **slotp) |
252b5132 RH |
1126 | { |
1127 | const char *orig; | |
1128 | int typenums[2]; | |
1129 | int size; | |
b34976b6 | 1130 | bfd_boolean stringp; |
252b5132 RH |
1131 | int descriptor; |
1132 | debug_type dtype; | |
1133 | ||
1134 | if (slotp != NULL) | |
1135 | *slotp = NULL; | |
1136 | ||
1137 | orig = *pp; | |
1138 | ||
1139 | size = -1; | |
b34976b6 | 1140 | stringp = FALSE; |
252b5132 | 1141 | |
b34976b6 | 1142 | info->self_crossref = FALSE; |
252b5132 RH |
1143 | |
1144 | /* Read type number if present. The type number may be omitted. | |
1145 | for instance in a two-dimensional array declared with type | |
1146 | "ar1;1;10;ar1;1;10;4". */ | |
3882b010 | 1147 | if (! ISDIGIT (**pp) && **pp != '(' && **pp != '-') |
252b5132 RH |
1148 | { |
1149 | /* 'typenums=' not present, type is anonymous. Read and return | |
1150 | the definition, but don't put it in the type vector. */ | |
1151 | typenums[0] = typenums[1] = -1; | |
1152 | } | |
1153 | else | |
1154 | { | |
1155 | if (! parse_stab_type_number (pp, typenums)) | |
1156 | return DEBUG_TYPE_NULL; | |
1157 | ||
1158 | if (**pp != '=') | |
7eb5191a NC |
1159 | /* Type is not being defined here. Either it already |
1160 | exists, or this is a forward reference to it. */ | |
1161 | return stab_find_type (dhandle, info, typenums); | |
252b5132 RH |
1162 | |
1163 | /* Only set the slot if the type is being defined. This means | |
1164 | that the mapping from type numbers to types will only record | |
1165 | the name of the typedef which defines a type. If we don't do | |
1166 | this, then something like | |
1167 | typedef int foo; | |
1168 | int i; | |
1169 | will record that i is of type foo. Unfortunately, stabs | |
1170 | information is ambiguous about variable types. For this code, | |
1171 | typedef int foo; | |
1172 | int i; | |
1173 | foo j; | |
1174 | the stabs information records both i and j as having the same | |
1175 | type. This could be fixed by patching the compiler. */ | |
1176 | if (slotp != NULL && typenums[0] >= 0 && typenums[1] >= 0) | |
1177 | *slotp = stab_find_slot (info, typenums); | |
1178 | ||
1179 | /* Type is being defined here. */ | |
1180 | /* Skip the '='. */ | |
1181 | ++*pp; | |
1182 | ||
1183 | while (**pp == '@') | |
1184 | { | |
1185 | const char *p = *pp + 1; | |
1186 | const char *attr; | |
1187 | ||
3882b010 | 1188 | if (ISDIGIT (*p) || *p == '(' || *p == '-') |
7eb5191a NC |
1189 | /* Member type. */ |
1190 | break; | |
252b5132 RH |
1191 | |
1192 | /* Type attributes. */ | |
1193 | attr = p; | |
1194 | ||
1195 | for (; *p != ';'; ++p) | |
1196 | { | |
1197 | if (*p == '\0') | |
1198 | { | |
1199 | bad_stab (orig); | |
1200 | return DEBUG_TYPE_NULL; | |
1201 | } | |
1202 | } | |
1203 | *pp = p + 1; | |
1204 | ||
1205 | switch (*attr) | |
1206 | { | |
1207 | case 's': | |
1208 | size = atoi (attr + 1); | |
944e5c61 | 1209 | size /= 8; /* Size is in bits. We store it in bytes. */ |
252b5132 RH |
1210 | if (size <= 0) |
1211 | size = -1; | |
1212 | break; | |
1213 | ||
1214 | case 'S': | |
b34976b6 | 1215 | stringp = TRUE; |
252b5132 RH |
1216 | break; |
1217 | ||
1218 | default: | |
1219 | /* Ignore unrecognized type attributes, so future | |
1220 | compilers can invent new ones. */ | |
1221 | break; | |
1222 | } | |
1223 | } | |
1224 | } | |
1225 | ||
1226 | descriptor = **pp; | |
1227 | ++*pp; | |
1228 | ||
1229 | switch (descriptor) | |
1230 | { | |
1231 | case 'x': | |
1232 | { | |
1233 | enum debug_type_kind code; | |
1234 | const char *q1, *q2, *p; | |
1235 | ||
1236 | /* A cross reference to another type. */ | |
252b5132 RH |
1237 | switch (**pp) |
1238 | { | |
1239 | case 's': | |
1240 | code = DEBUG_KIND_STRUCT; | |
1241 | break; | |
1242 | case 'u': | |
1243 | code = DEBUG_KIND_UNION; | |
1244 | break; | |
1245 | case 'e': | |
1246 | code = DEBUG_KIND_ENUM; | |
1247 | break; | |
1248 | default: | |
1249 | /* Complain and keep going, so compilers can invent new | |
1250 | cross-reference types. */ | |
1251 | warn_stab (orig, _("unrecognized cross reference type")); | |
1252 | code = DEBUG_KIND_STRUCT; | |
1253 | break; | |
1254 | } | |
1255 | ++*pp; | |
1256 | ||
1257 | q1 = strchr (*pp, '<'); | |
1258 | p = strchr (*pp, ':'); | |
1259 | if (p == NULL) | |
1260 | { | |
1261 | bad_stab (orig); | |
1262 | return DEBUG_TYPE_NULL; | |
1263 | } | |
c602a165 | 1264 | if (q1 != NULL && p > q1 && p[1] == ':') |
252b5132 | 1265 | { |
c602a165 ILT |
1266 | int nest = 0; |
1267 | ||
1268 | for (q2 = q1; *q2 != '\0'; ++q2) | |
1269 | { | |
1270 | if (*q2 == '<') | |
1271 | ++nest; | |
1272 | else if (*q2 == '>') | |
1273 | --nest; | |
1274 | else if (*q2 == ':' && nest == 0) | |
1275 | break; | |
1276 | } | |
1277 | p = q2; | |
1278 | if (*p != ':') | |
252b5132 RH |
1279 | { |
1280 | bad_stab (orig); | |
1281 | return DEBUG_TYPE_NULL; | |
1282 | } | |
1283 | } | |
1284 | ||
1285 | /* Some versions of g++ can emit stabs like | |
1286 | fleep:T20=xsfleep: | |
1287 | which define structures in terms of themselves. We need to | |
1288 | tell the caller to avoid building a circular structure. */ | |
1289 | if (typename != NULL | |
1290 | && strncmp (typename, *pp, p - *pp) == 0 | |
1291 | && typename[p - *pp] == '\0') | |
b34976b6 | 1292 | info->self_crossref = TRUE; |
252b5132 RH |
1293 | |
1294 | dtype = stab_find_tagged_type (dhandle, info, *pp, p - *pp, code); | |
1295 | ||
1296 | *pp = p + 1; | |
1297 | } | |
1298 | break; | |
1299 | ||
1300 | case '-': | |
1301 | case '0': | |
1302 | case '1': | |
1303 | case '2': | |
1304 | case '3': | |
1305 | case '4': | |
1306 | case '5': | |
1307 | case '6': | |
1308 | case '7': | |
1309 | case '8': | |
1310 | case '9': | |
1311 | case '(': | |
1312 | { | |
1313 | const char *hold; | |
1314 | int xtypenums[2]; | |
1315 | ||
1316 | /* This type is defined as another type. */ | |
252b5132 RH |
1317 | (*pp)--; |
1318 | hold = *pp; | |
1319 | ||
1320 | /* Peek ahead at the number to detect void. */ | |
1321 | if (! parse_stab_type_number (pp, xtypenums)) | |
1322 | return DEBUG_TYPE_NULL; | |
1323 | ||
1324 | if (typenums[0] == xtypenums[0] && typenums[1] == xtypenums[1]) | |
1325 | { | |
1326 | /* This type is being defined as itself, which means that | |
1327 | it is void. */ | |
1328 | dtype = debug_make_void_type (dhandle); | |
1329 | } | |
1330 | else | |
1331 | { | |
1332 | *pp = hold; | |
1333 | ||
1334 | /* Go back to the number and have parse_stab_type get it. | |
1335 | This means that we can deal with something like | |
1336 | t(1,2)=(3,4)=... which the Lucid compiler uses. */ | |
1337 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
1338 | pp, (debug_type **) NULL); | |
1339 | if (dtype == DEBUG_TYPE_NULL) | |
1340 | return DEBUG_TYPE_NULL; | |
1341 | } | |
1342 | ||
1343 | if (typenums[0] != -1) | |
1344 | { | |
1345 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1346 | return DEBUG_TYPE_NULL; | |
1347 | } | |
1348 | ||
1349 | break; | |
1350 | } | |
1351 | ||
1352 | case '*': | |
1353 | dtype = debug_make_pointer_type (dhandle, | |
1354 | parse_stab_type (dhandle, info, | |
1355 | (const char *) NULL, | |
1356 | pp, | |
1357 | (debug_type **) NULL)); | |
1358 | break; | |
1359 | ||
1360 | case '&': | |
1361 | /* Reference to another type. */ | |
1362 | dtype = (debug_make_reference_type | |
1363 | (dhandle, | |
1364 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1365 | (debug_type **) NULL))); | |
1366 | break; | |
1367 | ||
1368 | case 'f': | |
1369 | /* Function returning another type. */ | |
1370 | /* FIXME: gdb checks os9k_stabs here. */ | |
1371 | dtype = (debug_make_function_type | |
1372 | (dhandle, | |
1373 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1374 | (debug_type **) NULL), | |
b34976b6 | 1375 | (debug_type *) NULL, FALSE)); |
252b5132 RH |
1376 | break; |
1377 | ||
1378 | case 'k': | |
1379 | /* Const qualifier on some type (Sun). */ | |
1380 | /* FIXME: gdb accepts 'c' here if os9k_stabs. */ | |
1381 | dtype = debug_make_const_type (dhandle, | |
1382 | parse_stab_type (dhandle, info, | |
1383 | (const char *) NULL, | |
1384 | pp, | |
1385 | (debug_type **) NULL)); | |
1386 | break; | |
1387 | ||
1388 | case 'B': | |
1389 | /* Volatile qual on some type (Sun). */ | |
1390 | /* FIXME: gdb accepts 'i' here if os9k_stabs. */ | |
1391 | dtype = (debug_make_volatile_type | |
1392 | (dhandle, | |
1393 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1394 | (debug_type **) NULL))); | |
1395 | break; | |
1396 | ||
1397 | case '@': | |
1398 | /* Offset (class & variable) type. This is used for a pointer | |
1399 | relative to an object. */ | |
1400 | { | |
1401 | debug_type domain; | |
1402 | debug_type memtype; | |
1403 | ||
1404 | /* Member type. */ | |
1405 | ||
1406 | domain = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1407 | (debug_type **) NULL); | |
1408 | if (domain == DEBUG_TYPE_NULL) | |
1409 | return DEBUG_TYPE_NULL; | |
1410 | ||
1411 | if (**pp != ',') | |
1412 | { | |
1413 | bad_stab (orig); | |
1414 | return DEBUG_TYPE_NULL; | |
1415 | } | |
1416 | ++*pp; | |
1417 | ||
1418 | memtype = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1419 | (debug_type **) NULL); | |
1420 | if (memtype == DEBUG_TYPE_NULL) | |
1421 | return DEBUG_TYPE_NULL; | |
1422 | ||
1423 | dtype = debug_make_offset_type (dhandle, domain, memtype); | |
1424 | } | |
1425 | break; | |
1426 | ||
1427 | case '#': | |
1428 | /* Method (class & fn) type. */ | |
1429 | if (**pp == '#') | |
1430 | { | |
1431 | debug_type return_type; | |
1432 | ||
1433 | ++*pp; | |
1434 | return_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1435 | pp, (debug_type **) NULL); | |
1436 | if (return_type == DEBUG_TYPE_NULL) | |
1437 | return DEBUG_TYPE_NULL; | |
1438 | if (**pp != ';') | |
1439 | { | |
1440 | bad_stab (orig); | |
1441 | return DEBUG_TYPE_NULL; | |
1442 | } | |
1443 | ++*pp; | |
1444 | dtype = debug_make_method_type (dhandle, return_type, | |
1445 | DEBUG_TYPE_NULL, | |
b34976b6 | 1446 | (debug_type *) NULL, FALSE); |
252b5132 RH |
1447 | } |
1448 | else | |
1449 | { | |
1450 | debug_type domain; | |
1451 | debug_type return_type; | |
1452 | debug_type *args; | |
1453 | unsigned int n; | |
1454 | unsigned int alloc; | |
b34976b6 | 1455 | bfd_boolean varargs; |
252b5132 RH |
1456 | |
1457 | domain = parse_stab_type (dhandle, info, (const char *) NULL, | |
1458 | pp, (debug_type **) NULL); | |
1459 | if (domain == DEBUG_TYPE_NULL) | |
1460 | return DEBUG_TYPE_NULL; | |
1461 | ||
1462 | if (**pp != ',') | |
1463 | { | |
1464 | bad_stab (orig); | |
1465 | return DEBUG_TYPE_NULL; | |
1466 | } | |
1467 | ++*pp; | |
1468 | ||
1469 | return_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1470 | pp, (debug_type **) NULL); | |
1471 | if (return_type == DEBUG_TYPE_NULL) | |
1472 | return DEBUG_TYPE_NULL; | |
1473 | ||
1474 | alloc = 10; | |
1475 | args = (debug_type *) xmalloc (alloc * sizeof *args); | |
1476 | n = 0; | |
1477 | while (**pp != ';') | |
1478 | { | |
1479 | if (**pp != ',') | |
1480 | { | |
1481 | bad_stab (orig); | |
1482 | return DEBUG_TYPE_NULL; | |
1483 | } | |
1484 | ++*pp; | |
1485 | ||
1486 | if (n + 1 >= alloc) | |
1487 | { | |
1488 | alloc += 10; | |
1489 | args = ((debug_type *) | |
2da42df6 | 1490 | xrealloc (args, alloc * sizeof *args)); |
252b5132 RH |
1491 | } |
1492 | ||
1493 | args[n] = parse_stab_type (dhandle, info, (const char *) NULL, | |
1494 | pp, (debug_type **) NULL); | |
1495 | if (args[n] == DEBUG_TYPE_NULL) | |
1496 | return DEBUG_TYPE_NULL; | |
1497 | ++n; | |
1498 | } | |
1499 | ++*pp; | |
1500 | ||
1501 | /* If the last type is not void, then this function takes a | |
1502 | variable number of arguments. Otherwise, we must strip | |
1503 | the void type. */ | |
1504 | if (n == 0 | |
1505 | || debug_get_type_kind (dhandle, args[n - 1]) != DEBUG_KIND_VOID) | |
b34976b6 | 1506 | varargs = TRUE; |
252b5132 RH |
1507 | else |
1508 | { | |
1509 | --n; | |
b34976b6 | 1510 | varargs = FALSE; |
252b5132 RH |
1511 | } |
1512 | ||
1513 | args[n] = DEBUG_TYPE_NULL; | |
1514 | ||
1515 | dtype = debug_make_method_type (dhandle, return_type, domain, args, | |
1516 | varargs); | |
1517 | } | |
1518 | break; | |
1519 | ||
1520 | case 'r': | |
1521 | /* Range type. */ | |
1522 | dtype = parse_stab_range_type (dhandle, info, typename, pp, typenums); | |
1523 | break; | |
1524 | ||
1525 | case 'b': | |
1526 | /* FIXME: gdb checks os9k_stabs here. */ | |
1527 | /* Sun ACC builtin int type. */ | |
1528 | dtype = parse_stab_sun_builtin_type (dhandle, pp); | |
1529 | break; | |
1530 | ||
1531 | case 'R': | |
1532 | /* Sun ACC builtin float type. */ | |
1533 | dtype = parse_stab_sun_floating_type (dhandle, pp); | |
1534 | break; | |
1535 | ||
1536 | case 'e': | |
1537 | /* Enumeration type. */ | |
1538 | dtype = parse_stab_enum_type (dhandle, pp); | |
1539 | break; | |
1540 | ||
1541 | case 's': | |
1542 | case 'u': | |
1543 | /* Struct or union type. */ | |
1544 | dtype = parse_stab_struct_type (dhandle, info, typename, pp, | |
1545 | descriptor == 's', typenums); | |
1546 | break; | |
1547 | ||
1548 | case 'a': | |
1549 | /* Array type. */ | |
1550 | if (**pp != 'r') | |
1551 | { | |
1552 | bad_stab (orig); | |
1553 | return DEBUG_TYPE_NULL; | |
1554 | } | |
1555 | ++*pp; | |
1556 | ||
1557 | dtype = parse_stab_array_type (dhandle, info, pp, stringp); | |
1558 | break; | |
1559 | ||
1560 | case 'S': | |
1561 | dtype = debug_make_set_type (dhandle, | |
1562 | parse_stab_type (dhandle, info, | |
1563 | (const char *) NULL, | |
1564 | pp, | |
1565 | (debug_type **) NULL), | |
1566 | stringp); | |
1567 | break; | |
1568 | ||
1569 | default: | |
1570 | bad_stab (orig); | |
1571 | return DEBUG_TYPE_NULL; | |
1572 | } | |
1573 | ||
1574 | if (dtype == DEBUG_TYPE_NULL) | |
1575 | return DEBUG_TYPE_NULL; | |
1576 | ||
1577 | if (typenums[0] != -1) | |
1578 | { | |
1579 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1580 | return DEBUG_TYPE_NULL; | |
1581 | } | |
1582 | ||
1583 | if (size != -1) | |
1584 | { | |
1585 | if (! debug_record_type_size (dhandle, dtype, (unsigned int) size)) | |
3dceb55b | 1586 | return DEBUG_TYPE_NULL; |
252b5132 RH |
1587 | } |
1588 | ||
1589 | return dtype; | |
1590 | } | |
1591 | ||
1592 | /* Read a number by which a type is referred to in dbx data, or | |
1593 | perhaps read a pair (FILENUM, TYPENUM) in parentheses. Just a | |
1594 | single number N is equivalent to (0,N). Return the two numbers by | |
1595 | storing them in the vector TYPENUMS. */ | |
1596 | ||
b34976b6 | 1597 | static bfd_boolean |
2da42df6 | 1598 | parse_stab_type_number (const char **pp, int *typenums) |
252b5132 RH |
1599 | { |
1600 | const char *orig; | |
1601 | ||
1602 | orig = *pp; | |
1603 | ||
1604 | if (**pp != '(') | |
1605 | { | |
1606 | typenums[0] = 0; | |
b34976b6 | 1607 | typenums[1] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1608 | } |
1609 | else | |
1610 | { | |
1611 | ++*pp; | |
b34976b6 | 1612 | typenums[0] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1613 | if (**pp != ',') |
1614 | { | |
1615 | bad_stab (orig); | |
b34976b6 | 1616 | return FALSE; |
252b5132 RH |
1617 | } |
1618 | ++*pp; | |
b34976b6 | 1619 | typenums[1] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1620 | if (**pp != ')') |
1621 | { | |
1622 | bad_stab (orig); | |
b34976b6 | 1623 | return FALSE; |
252b5132 RH |
1624 | } |
1625 | ++*pp; | |
1626 | } | |
1627 | ||
b34976b6 | 1628 | return TRUE; |
252b5132 RH |
1629 | } |
1630 | ||
1631 | /* Parse a range type. */ | |
1632 | ||
1633 | static debug_type | |
2da42df6 | 1634 | parse_stab_range_type (void *dhandle, struct stab_handle *info, const char *typename, const char **pp, const int *typenums) |
252b5132 RH |
1635 | { |
1636 | const char *orig; | |
1637 | int rangenums[2]; | |
b34976b6 | 1638 | bfd_boolean self_subrange; |
252b5132 RH |
1639 | debug_type index_type; |
1640 | const char *s2, *s3; | |
1641 | bfd_signed_vma n2, n3; | |
b34976b6 | 1642 | bfd_boolean ov2, ov3; |
252b5132 RH |
1643 | |
1644 | orig = *pp; | |
1645 | ||
1646 | index_type = DEBUG_TYPE_NULL; | |
1647 | ||
1648 | /* First comes a type we are a subrange of. | |
1649 | In C it is usually 0, 1 or the type being defined. */ | |
1650 | if (! parse_stab_type_number (pp, rangenums)) | |
1651 | return DEBUG_TYPE_NULL; | |
1652 | ||
1653 | self_subrange = (rangenums[0] == typenums[0] | |
1654 | && rangenums[1] == typenums[1]); | |
1655 | ||
1656 | if (**pp == '=') | |
1657 | { | |
1658 | *pp = orig; | |
1659 | index_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1660 | pp, (debug_type **) NULL); | |
1661 | if (index_type == DEBUG_TYPE_NULL) | |
1662 | return DEBUG_TYPE_NULL; | |
1663 | } | |
1664 | ||
1665 | if (**pp == ';') | |
1666 | ++*pp; | |
1667 | ||
1668 | /* The remaining two operands are usually lower and upper bounds of | |
1669 | the range. But in some special cases they mean something else. */ | |
1670 | s2 = *pp; | |
1671 | n2 = parse_number (pp, &ov2); | |
1672 | if (**pp != ';') | |
1673 | { | |
1674 | bad_stab (orig); | |
1675 | return DEBUG_TYPE_NULL; | |
1676 | } | |
1677 | ++*pp; | |
1678 | ||
1679 | s3 = *pp; | |
1680 | n3 = parse_number (pp, &ov3); | |
1681 | if (**pp != ';') | |
1682 | { | |
1683 | bad_stab (orig); | |
1684 | return DEBUG_TYPE_NULL; | |
1685 | } | |
1686 | ++*pp; | |
1687 | ||
1688 | if (ov2 || ov3) | |
1689 | { | |
1690 | /* gcc will emit range stabs for long long types. Handle this | |
1691 | as a special case. FIXME: This needs to be more general. */ | |
7eb5191a NC |
1692 | #define LLLOW "01000000000000000000000;" |
1693 | #define LLHIGH "0777777777777777777777;" | |
252b5132 RH |
1694 | #define ULLHIGH "01777777777777777777777;" |
1695 | if (index_type == DEBUG_TYPE_NULL) | |
1696 | { | |
1697 | if (strncmp (s2, LLLOW, sizeof LLLOW - 1) == 0 | |
1698 | && strncmp (s3, LLHIGH, sizeof LLHIGH - 1) == 0) | |
b34976b6 | 1699 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
1700 | if (! ov2 |
1701 | && n2 == 0 | |
1702 | && strncmp (s3, ULLHIGH, sizeof ULLHIGH - 1) == 0) | |
b34976b6 | 1703 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1704 | } |
1705 | ||
1706 | warn_stab (orig, _("numeric overflow")); | |
1707 | } | |
1708 | ||
1709 | if (index_type == DEBUG_TYPE_NULL) | |
1710 | { | |
1711 | /* A type defined as a subrange of itself, with both bounds 0, | |
1712 | is void. */ | |
1713 | if (self_subrange && n2 == 0 && n3 == 0) | |
1714 | return debug_make_void_type (dhandle); | |
1715 | ||
1716 | /* A type defined as a subrange of itself, with n2 positive and | |
1717 | n3 zero, is a complex type, and n2 is the number of bytes. */ | |
1718 | if (self_subrange && n3 == 0 && n2 > 0) | |
1719 | return debug_make_complex_type (dhandle, n2); | |
1720 | ||
1721 | /* If n3 is zero and n2 is positive, this is a floating point | |
1722 | type, and n2 is the number of bytes. */ | |
1723 | if (n3 == 0 && n2 > 0) | |
1724 | return debug_make_float_type (dhandle, n2); | |
1725 | ||
1726 | /* If the upper bound is -1, this is an unsigned int. */ | |
1727 | if (n2 == 0 && n3 == -1) | |
1728 | { | |
1729 | /* When gcc is used with -gstabs, but not -gstabs+, it will emit | |
1730 | long long int:t6=r1;0;-1; | |
1731 | long long unsigned int:t7=r1;0;-1; | |
1732 | We hack here to handle this reasonably. */ | |
1733 | if (typename != NULL) | |
1734 | { | |
1735 | if (strcmp (typename, "long long int") == 0) | |
b34976b6 | 1736 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 | 1737 | else if (strcmp (typename, "long long unsigned int") == 0) |
b34976b6 | 1738 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1739 | } |
1740 | /* FIXME: The size here really depends upon the target. */ | |
b34976b6 | 1741 | return debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
1742 | } |
1743 | ||
1744 | /* A range of 0 to 127 is char. */ | |
1745 | if (self_subrange && n2 == 0 && n3 == 127) | |
b34976b6 | 1746 | return debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
1747 | |
1748 | /* FIXME: gdb checks for the language CHILL here. */ | |
1749 | ||
1750 | if (n2 == 0) | |
1751 | { | |
1752 | if (n3 < 0) | |
b34976b6 | 1753 | return debug_make_int_type (dhandle, - n3, TRUE); |
252b5132 | 1754 | else if (n3 == 0xff) |
b34976b6 | 1755 | return debug_make_int_type (dhandle, 1, TRUE); |
252b5132 | 1756 | else if (n3 == 0xffff) |
b34976b6 | 1757 | return debug_make_int_type (dhandle, 2, TRUE); |
b4c96d0d | 1758 | else if (n3 == (bfd_signed_vma) 0xffffffff) |
b34976b6 | 1759 | return debug_make_int_type (dhandle, 4, TRUE); |
252b5132 | 1760 | #ifdef BFD64 |
3c9f43b1 | 1761 | else if (n3 == ((((bfd_signed_vma) 0xffffffff) << 32) | 0xffffffff)) |
b34976b6 | 1762 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1763 | #endif |
1764 | } | |
1765 | else if (n3 == 0 | |
1766 | && n2 < 0 | |
1767 | && (self_subrange || n2 == -8)) | |
b34976b6 | 1768 | return debug_make_int_type (dhandle, - n2, TRUE); |
252b5132 RH |
1769 | else if (n2 == - n3 - 1 || n2 == n3 + 1) |
1770 | { | |
1771 | if (n3 == 0x7f) | |
b34976b6 | 1772 | return debug_make_int_type (dhandle, 1, FALSE); |
252b5132 | 1773 | else if (n3 == 0x7fff) |
b34976b6 | 1774 | return debug_make_int_type (dhandle, 2, FALSE); |
252b5132 | 1775 | else if (n3 == 0x7fffffff) |
b34976b6 | 1776 | return debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
1777 | #ifdef BFD64 |
1778 | else if (n3 == ((((bfd_vma) 0x7fffffff) << 32) | 0xffffffff)) | |
b34976b6 | 1779 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
1780 | #endif |
1781 | } | |
1782 | } | |
1783 | ||
1784 | /* At this point I don't have the faintest idea how to deal with a | |
1785 | self_subrange type; I'm going to assume that this is used as an | |
1786 | idiom, and that all of them are special cases. So . . . */ | |
1787 | if (self_subrange) | |
1788 | { | |
1789 | bad_stab (orig); | |
1790 | return DEBUG_TYPE_NULL; | |
1791 | } | |
1792 | ||
1793 | index_type = stab_find_type (dhandle, info, rangenums); | |
1794 | if (index_type == DEBUG_TYPE_NULL) | |
1795 | { | |
1796 | /* Does this actually ever happen? Is that why we are worrying | |
1797 | about dealing with it rather than just calling error_type? */ | |
1798 | warn_stab (orig, _("missing index type")); | |
b34976b6 | 1799 | index_type = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
1800 | } |
1801 | ||
1802 | return debug_make_range_type (dhandle, index_type, n2, n3); | |
1803 | } | |
1804 | ||
1805 | /* Sun's ACC uses a somewhat saner method for specifying the builtin | |
1806 | typedefs in every file (for int, long, etc): | |
1807 | ||
1808 | type = b <signed> <width>; <offset>; <nbits> | |
1809 | signed = u or s. Possible c in addition to u or s (for char?). | |
1810 | offset = offset from high order bit to start bit of type. | |
1811 | width is # bytes in object of this type, nbits is # bits in type. | |
1812 | ||
1813 | The width/offset stuff appears to be for small objects stored in | |
1814 | larger ones (e.g. `shorts' in `int' registers). We ignore it for now, | |
1815 | FIXME. */ | |
1816 | ||
1817 | static debug_type | |
2da42df6 | 1818 | parse_stab_sun_builtin_type (void *dhandle, const char **pp) |
252b5132 RH |
1819 | { |
1820 | const char *orig; | |
b34976b6 | 1821 | bfd_boolean unsignedp; |
252b5132 RH |
1822 | bfd_vma bits; |
1823 | ||
1824 | orig = *pp; | |
1825 | ||
1826 | switch (**pp) | |
1827 | { | |
1828 | case 's': | |
b34976b6 | 1829 | unsignedp = FALSE; |
252b5132 RH |
1830 | break; |
1831 | case 'u': | |
b34976b6 | 1832 | unsignedp = TRUE; |
252b5132 RH |
1833 | break; |
1834 | default: | |
1835 | bad_stab (orig); | |
1836 | return DEBUG_TYPE_NULL; | |
1837 | } | |
1838 | ++*pp; | |
1839 | ||
1840 | /* For some odd reason, all forms of char put a c here. This is strange | |
1841 | because no other type has this honor. We can safely ignore this because | |
1842 | we actually determine 'char'acterness by the number of bits specified in | |
1843 | the descriptor. */ | |
1844 | if (**pp == 'c') | |
1845 | ++*pp; | |
1846 | ||
1847 | /* The first number appears to be the number of bytes occupied | |
1848 | by this type, except that unsigned short is 4 instead of 2. | |
1849 | Since this information is redundant with the third number, | |
1850 | we will ignore it. */ | |
b34976b6 | 1851 | (void) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1852 | if (**pp != ';') |
1853 | { | |
1854 | bad_stab (orig); | |
1855 | return DEBUG_TYPE_NULL; | |
1856 | } | |
1857 | ++*pp; | |
1858 | ||
9f66665a | 1859 | /* The second number is always 0, so ignore it too. */ |
b34976b6 | 1860 | (void) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1861 | if (**pp != ';') |
1862 | { | |
1863 | bad_stab (orig); | |
1864 | return DEBUG_TYPE_NULL; | |
1865 | } | |
1866 | ++*pp; | |
1867 | ||
9f66665a | 1868 | /* The third number is the number of bits for this type. */ |
b34976b6 | 1869 | bits = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1870 | |
1871 | /* The type *should* end with a semicolon. If it are embedded | |
1872 | in a larger type the semicolon may be the only way to know where | |
1873 | the type ends. If this type is at the end of the stabstring we | |
1874 | can deal with the omitted semicolon (but we don't have to like | |
1875 | it). Don't bother to complain(), Sun's compiler omits the semicolon | |
1876 | for "void". */ | |
1877 | if (**pp == ';') | |
1878 | ++*pp; | |
1879 | ||
1880 | if (bits == 0) | |
1881 | return debug_make_void_type (dhandle); | |
1882 | ||
1883 | return debug_make_int_type (dhandle, bits / 8, unsignedp); | |
1884 | } | |
1885 | ||
1886 | /* Parse a builtin floating type generated by the Sun compiler. */ | |
1887 | ||
1888 | static debug_type | |
2da42df6 | 1889 | parse_stab_sun_floating_type (void *dhandle, const char **pp) |
252b5132 RH |
1890 | { |
1891 | const char *orig; | |
1892 | bfd_vma details; | |
1893 | bfd_vma bytes; | |
1894 | ||
1895 | orig = *pp; | |
1896 | ||
1897 | /* The first number has more details about the type, for example | |
1898 | FN_COMPLEX. */ | |
b34976b6 | 1899 | details = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1900 | if (**pp != ';') |
1901 | { | |
1902 | bad_stab (orig); | |
1903 | return DEBUG_TYPE_NULL; | |
1904 | } | |
1905 | ||
1906 | /* The second number is the number of bytes occupied by this type */ | |
b34976b6 | 1907 | bytes = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1908 | if (**pp != ';') |
1909 | { | |
1910 | bad_stab (orig); | |
1911 | return DEBUG_TYPE_NULL; | |
1912 | } | |
1913 | ||
1914 | if (details == NF_COMPLEX | |
1915 | || details == NF_COMPLEX16 | |
1916 | || details == NF_COMPLEX32) | |
1917 | return debug_make_complex_type (dhandle, bytes); | |
1918 | ||
9f66665a | 1919 | return debug_make_float_type (dhandle, bytes); |
252b5132 RH |
1920 | } |
1921 | ||
1922 | /* Handle an enum type. */ | |
1923 | ||
1924 | static debug_type | |
2da42df6 | 1925 | parse_stab_enum_type (void *dhandle, const char **pp) |
252b5132 RH |
1926 | { |
1927 | const char *orig; | |
1928 | const char **names; | |
1929 | bfd_signed_vma *values; | |
1930 | unsigned int n; | |
1931 | unsigned int alloc; | |
1932 | ||
1933 | orig = *pp; | |
1934 | ||
1935 | /* FIXME: gdb checks os9k_stabs here. */ | |
1936 | ||
1937 | /* The aix4 compiler emits an extra field before the enum members; | |
1938 | my guess is it's a type of some sort. Just ignore it. */ | |
1939 | if (**pp == '-') | |
1940 | { | |
1941 | while (**pp != ':') | |
1942 | ++*pp; | |
1943 | ++*pp; | |
1944 | } | |
1945 | ||
1946 | /* Read the value-names and their values. | |
1947 | The input syntax is NAME:VALUE,NAME:VALUE, and so on. | |
1948 | A semicolon or comma instead of a NAME means the end. */ | |
1949 | alloc = 10; | |
1950 | names = (const char **) xmalloc (alloc * sizeof *names); | |
1951 | values = (bfd_signed_vma *) xmalloc (alloc * sizeof *values); | |
1952 | n = 0; | |
1953 | while (**pp != '\0' && **pp != ';' && **pp != ',') | |
1954 | { | |
1955 | const char *p; | |
1956 | char *name; | |
1957 | bfd_signed_vma val; | |
1958 | ||
1959 | p = *pp; | |
1960 | while (*p != ':') | |
1961 | ++p; | |
1962 | ||
1963 | name = savestring (*pp, p - *pp); | |
1964 | ||
1965 | *pp = p + 1; | |
b34976b6 | 1966 | val = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1967 | if (**pp != ',') |
1968 | { | |
1969 | bad_stab (orig); | |
1970 | return DEBUG_TYPE_NULL; | |
1971 | } | |
1972 | ++*pp; | |
1973 | ||
1974 | if (n + 1 >= alloc) | |
1975 | { | |
1976 | alloc += 10; | |
1977 | names = ((const char **) | |
2da42df6 | 1978 | xrealloc (names, alloc * sizeof *names)); |
252b5132 | 1979 | values = ((bfd_signed_vma *) |
2da42df6 | 1980 | xrealloc (values, alloc * sizeof *values)); |
252b5132 RH |
1981 | } |
1982 | ||
1983 | names[n] = name; | |
1984 | values[n] = val; | |
1985 | ++n; | |
1986 | } | |
1987 | ||
1988 | names[n] = NULL; | |
1989 | values[n] = 0; | |
1990 | ||
1991 | if (**pp == ';') | |
1992 | ++*pp; | |
1993 | ||
1994 | return debug_make_enum_type (dhandle, names, values); | |
1995 | } | |
1996 | ||
1997 | /* Read the description of a structure (or union type) and return an object | |
1998 | describing the type. | |
1999 | ||
2000 | PP points to a character pointer that points to the next unconsumed token | |
1be59579 | 2001 | in the stabs string. For example, given stabs "A:T4=s4a:1,0,32;;", |
252b5132 RH |
2002 | *PP will point to "4a:1,0,32;;". */ |
2003 | ||
2004 | static debug_type | |
2da42df6 AJ |
2005 | parse_stab_struct_type (void *dhandle, struct stab_handle *info, |
2006 | const char *tagname, const char **pp, | |
2007 | bfd_boolean structp, const int *typenums) | |
252b5132 RH |
2008 | { |
2009 | const char *orig; | |
2010 | bfd_vma size; | |
2011 | debug_baseclass *baseclasses; | |
2012 | debug_field *fields; | |
b34976b6 | 2013 | bfd_boolean statics; |
252b5132 RH |
2014 | debug_method *methods; |
2015 | debug_type vptrbase; | |
b34976b6 | 2016 | bfd_boolean ownvptr; |
252b5132 RH |
2017 | |
2018 | orig = *pp; | |
2019 | ||
2020 | /* Get the size. */ | |
b34976b6 | 2021 | size = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2022 | |
2023 | /* Get the other information. */ | |
2024 | if (! parse_stab_baseclasses (dhandle, info, pp, &baseclasses) | |
2025 | || ! parse_stab_struct_fields (dhandle, info, pp, &fields, &statics) | |
2026 | || ! parse_stab_members (dhandle, info, tagname, pp, typenums, &methods) | |
2027 | || ! parse_stab_tilde_field (dhandle, info, pp, typenums, &vptrbase, | |
2028 | &ownvptr)) | |
2029 | return DEBUG_TYPE_NULL; | |
2030 | ||
2031 | if (! statics | |
2032 | && baseclasses == NULL | |
2033 | && methods == NULL | |
2034 | && vptrbase == DEBUG_TYPE_NULL | |
2035 | && ! ownvptr) | |
2036 | return debug_make_struct_type (dhandle, structp, size, fields); | |
2037 | ||
2038 | return debug_make_object_type (dhandle, structp, size, fields, baseclasses, | |
2039 | methods, vptrbase, ownvptr); | |
2040 | } | |
2041 | ||
2042 | /* The stabs for C++ derived classes contain baseclass information which | |
2043 | is marked by a '!' character after the total size. This function is | |
2044 | called when we encounter the baseclass marker, and slurps up all the | |
2045 | baseclass information. | |
2046 | ||
2047 | Immediately following the '!' marker is the number of base classes that | |
2048 | the class is derived from, followed by information for each base class. | |
2049 | For each base class, there are two visibility specifiers, a bit offset | |
2050 | to the base class information within the derived class, a reference to | |
2051 | the type for the base class, and a terminating semicolon. | |
2052 | ||
2053 | A typical example, with two base classes, would be "!2,020,19;0264,21;". | |
2da42df6 | 2054 | ^^ ^ ^ ^ ^ ^ ^ |
252b5132 RH |
2055 | Baseclass information marker __________________|| | | | | | | |
2056 | Number of baseclasses __________________________| | | | | | | | |
2057 | Visibility specifiers (2) ________________________| | | | | | | |
2058 | Offset in bits from start of class _________________| | | | | | |
2059 | Type number for base class ___________________________| | | | | |
2060 | Visibility specifiers (2) _______________________________| | | | |
2061 | Offset in bits from start of class ________________________| | | |
2062 | Type number of base class ____________________________________| | |
2063 | ||
b34976b6 | 2064 | Return TRUE for success, FALSE for failure. */ |
252b5132 | 2065 | |
b34976b6 | 2066 | static bfd_boolean |
2da42df6 AJ |
2067 | parse_stab_baseclasses (void *dhandle, struct stab_handle *info, |
2068 | const char **pp, debug_baseclass **retp) | |
252b5132 RH |
2069 | { |
2070 | const char *orig; | |
2071 | unsigned int c, i; | |
2072 | debug_baseclass *classes; | |
2073 | ||
2074 | *retp = NULL; | |
2075 | ||
2076 | orig = *pp; | |
2077 | ||
2078 | if (**pp != '!') | |
2079 | { | |
2080 | /* No base classes. */ | |
b34976b6 | 2081 | return TRUE; |
252b5132 RH |
2082 | } |
2083 | ++*pp; | |
2084 | ||
b34976b6 | 2085 | c = (unsigned int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2086 | |
2087 | if (**pp != ',') | |
2088 | { | |
2089 | bad_stab (orig); | |
b34976b6 | 2090 | return FALSE; |
252b5132 RH |
2091 | } |
2092 | ++*pp; | |
2093 | ||
2094 | classes = (debug_baseclass *) xmalloc ((c + 1) * sizeof (**retp)); | |
2095 | ||
2096 | for (i = 0; i < c; i++) | |
2097 | { | |
b34976b6 | 2098 | bfd_boolean virtual; |
252b5132 RH |
2099 | enum debug_visibility visibility; |
2100 | bfd_vma bitpos; | |
2101 | debug_type type; | |
2102 | ||
2103 | switch (**pp) | |
2104 | { | |
2105 | case '0': | |
b34976b6 | 2106 | virtual = FALSE; |
252b5132 RH |
2107 | break; |
2108 | case '1': | |
b34976b6 | 2109 | virtual = TRUE; |
252b5132 RH |
2110 | break; |
2111 | default: | |
2112 | warn_stab (orig, _("unknown virtual character for baseclass")); | |
b34976b6 | 2113 | virtual = FALSE; |
252b5132 RH |
2114 | break; |
2115 | } | |
2116 | ++*pp; | |
2117 | ||
2118 | switch (**pp) | |
2119 | { | |
2120 | case '0': | |
2121 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2122 | break; | |
2123 | case '1': | |
2124 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2125 | break; | |
2126 | case '2': | |
2127 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2128 | break; | |
2129 | default: | |
2130 | warn_stab (orig, _("unknown visibility character for baseclass")); | |
2131 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2132 | break; | |
2133 | } | |
2134 | ++*pp; | |
2135 | ||
2136 | /* The remaining value is the bit offset of the portion of the | |
2137 | object corresponding to this baseclass. Always zero in the | |
2138 | absence of multiple inheritance. */ | |
b34976b6 | 2139 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2140 | if (**pp != ',') |
2141 | { | |
2142 | bad_stab (orig); | |
b34976b6 | 2143 | return FALSE; |
252b5132 RH |
2144 | } |
2145 | ++*pp; | |
2146 | ||
2147 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2148 | (debug_type **) NULL); | |
2149 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2150 | return FALSE; |
252b5132 RH |
2151 | |
2152 | classes[i] = debug_make_baseclass (dhandle, type, bitpos, virtual, | |
2153 | visibility); | |
2154 | if (classes[i] == DEBUG_BASECLASS_NULL) | |
b34976b6 | 2155 | return FALSE; |
252b5132 RH |
2156 | |
2157 | if (**pp != ';') | |
b34976b6 | 2158 | return FALSE; |
252b5132 RH |
2159 | ++*pp; |
2160 | } | |
2161 | ||
2162 | classes[i] = DEBUG_BASECLASS_NULL; | |
2163 | ||
2164 | *retp = classes; | |
2165 | ||
b34976b6 | 2166 | return TRUE; |
252b5132 RH |
2167 | } |
2168 | ||
2169 | /* Read struct or class data fields. They have the form: | |
2170 | ||
2da42df6 | 2171 | NAME : [VISIBILITY] TYPENUM , BITPOS , BITSIZE ; |
252b5132 RH |
2172 | |
2173 | At the end, we see a semicolon instead of a field. | |
2174 | ||
2175 | In C++, this may wind up being NAME:?TYPENUM:PHYSNAME; for | |
2176 | a static field. | |
2177 | ||
2178 | The optional VISIBILITY is one of: | |
2179 | ||
2da42df6 | 2180 | '/0' (VISIBILITY_PRIVATE) |
252b5132 RH |
2181 | '/1' (VISIBILITY_PROTECTED) |
2182 | '/2' (VISIBILITY_PUBLIC) | |
2183 | '/9' (VISIBILITY_IGNORE) | |
2184 | ||
2185 | or nothing, for C style fields with public visibility. | |
2186 | ||
2187 | Returns 1 for success, 0 for failure. */ | |
2188 | ||
b34976b6 | 2189 | static bfd_boolean |
2da42df6 AJ |
2190 | parse_stab_struct_fields (void *dhandle, struct stab_handle *info, |
2191 | const char **pp, debug_field **retp, | |
2192 | bfd_boolean *staticsp) | |
252b5132 RH |
2193 | { |
2194 | const char *orig; | |
2195 | const char *p; | |
2196 | debug_field *fields; | |
2197 | unsigned int c; | |
2198 | unsigned int alloc; | |
2199 | ||
2200 | *retp = NULL; | |
b34976b6 | 2201 | *staticsp = FALSE; |
252b5132 RH |
2202 | |
2203 | orig = *pp; | |
2204 | ||
2205 | c = 0; | |
2206 | alloc = 10; | |
2207 | fields = (debug_field *) xmalloc (alloc * sizeof *fields); | |
2208 | while (**pp != ';') | |
2209 | { | |
2210 | /* FIXME: gdb checks os9k_stabs here. */ | |
2211 | ||
2212 | p = *pp; | |
2213 | ||
2214 | /* Add 1 to c to leave room for NULL pointer at end. */ | |
2215 | if (c + 1 >= alloc) | |
2216 | { | |
2217 | alloc += 10; | |
2218 | fields = ((debug_field *) | |
2da42df6 | 2219 | xrealloc (fields, alloc * sizeof *fields)); |
252b5132 RH |
2220 | } |
2221 | ||
2222 | /* If it starts with CPLUS_MARKER it is a special abbreviation, | |
2223 | unless the CPLUS_MARKER is followed by an underscore, in | |
2224 | which case it is just the name of an anonymous type, which we | |
2225 | should handle like any other type name. We accept either '$' | |
2226 | or '.', because a field name can never contain one of these | |
2227 | characters except as a CPLUS_MARKER. */ | |
2228 | ||
2229 | if ((*p == '$' || *p == '.') && p[1] != '_') | |
2230 | { | |
2231 | ++*pp; | |
2232 | if (! parse_stab_cpp_abbrev (dhandle, info, pp, fields + c)) | |
b34976b6 | 2233 | return FALSE; |
252b5132 RH |
2234 | ++c; |
2235 | continue; | |
2236 | } | |
2237 | ||
2238 | /* Look for the ':' that separates the field name from the field | |
2239 | values. Data members are delimited by a single ':', while member | |
2240 | functions are delimited by a pair of ':'s. When we hit the member | |
9f66665a | 2241 | functions (if any), terminate scan loop and return. */ |
252b5132 RH |
2242 | |
2243 | p = strchr (p, ':'); | |
2244 | if (p == NULL) | |
2245 | { | |
2246 | bad_stab (orig); | |
b34976b6 | 2247 | return FALSE; |
252b5132 RH |
2248 | } |
2249 | ||
2250 | if (p[1] == ':') | |
2251 | break; | |
2252 | ||
2253 | if (! parse_stab_one_struct_field (dhandle, info, pp, p, fields + c, | |
2254 | staticsp)) | |
b34976b6 | 2255 | return FALSE; |
252b5132 RH |
2256 | |
2257 | ++c; | |
2258 | } | |
2259 | ||
2260 | fields[c] = DEBUG_FIELD_NULL; | |
2261 | ||
2262 | *retp = fields; | |
2263 | ||
b34976b6 | 2264 | return TRUE; |
252b5132 RH |
2265 | } |
2266 | ||
2267 | /* Special GNU C++ name. */ | |
2268 | ||
b34976b6 | 2269 | static bfd_boolean |
2da42df6 AJ |
2270 | parse_stab_cpp_abbrev (void *dhandle, struct stab_handle *info, |
2271 | const char **pp, debug_field *retp) | |
252b5132 RH |
2272 | { |
2273 | const char *orig; | |
2274 | int cpp_abbrev; | |
2275 | debug_type context; | |
2276 | const char *name; | |
2277 | const char *typename; | |
2278 | debug_type type; | |
2279 | bfd_vma bitpos; | |
2280 | ||
2281 | *retp = DEBUG_FIELD_NULL; | |
2282 | ||
2283 | orig = *pp; | |
2284 | ||
2285 | if (**pp != 'v') | |
2286 | { | |
2287 | bad_stab (*pp); | |
b34976b6 | 2288 | return FALSE; |
252b5132 RH |
2289 | } |
2290 | ++*pp; | |
2291 | ||
2292 | cpp_abbrev = **pp; | |
2293 | ++*pp; | |
2294 | ||
2295 | /* At this point, *pp points to something like "22:23=*22...", where | |
2296 | the type number before the ':' is the "context" and everything | |
2297 | after is a regular type definition. Lookup the type, find it's | |
2298 | name, and construct the field name. */ | |
2299 | ||
2300 | context = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2301 | (debug_type **) NULL); | |
2302 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 2303 | return FALSE; |
252b5132 RH |
2304 | |
2305 | switch (cpp_abbrev) | |
2306 | { | |
2307 | case 'f': | |
2308 | /* $vf -- a virtual function table pointer. */ | |
2309 | name = "_vptr$"; | |
2310 | break; | |
2311 | case 'b': | |
2312 | /* $vb -- a virtual bsomethingorother */ | |
2313 | typename = debug_get_type_name (dhandle, context); | |
2314 | if (typename == NULL) | |
2315 | { | |
2316 | warn_stab (orig, _("unnamed $vb type")); | |
2317 | typename = "FOO"; | |
2318 | } | |
2319 | name = concat ("_vb$", typename, (const char *) NULL); | |
2320 | break; | |
2321 | default: | |
2322 | warn_stab (orig, _("unrecognized C++ abbreviation")); | |
2323 | name = "INVALID_CPLUSPLUS_ABBREV"; | |
2324 | break; | |
2325 | } | |
2326 | ||
2327 | if (**pp != ':') | |
2328 | { | |
2329 | bad_stab (orig); | |
b34976b6 | 2330 | return FALSE; |
252b5132 RH |
2331 | } |
2332 | ++*pp; | |
2333 | ||
2334 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2335 | (debug_type **) NULL); | |
2336 | if (**pp != ',') | |
2337 | { | |
2338 | bad_stab (orig); | |
b34976b6 | 2339 | return FALSE; |
252b5132 RH |
2340 | } |
2341 | ++*pp; | |
2342 | ||
b34976b6 | 2343 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2344 | if (**pp != ';') |
2345 | { | |
2346 | bad_stab (orig); | |
b34976b6 | 2347 | return FALSE; |
252b5132 RH |
2348 | } |
2349 | ++*pp; | |
2350 | ||
2351 | *retp = debug_make_field (dhandle, name, type, bitpos, 0, | |
2352 | DEBUG_VISIBILITY_PRIVATE); | |
2353 | if (*retp == DEBUG_FIELD_NULL) | |
b34976b6 | 2354 | return FALSE; |
252b5132 | 2355 | |
b34976b6 | 2356 | return TRUE; |
252b5132 RH |
2357 | } |
2358 | ||
2359 | /* Parse a single field in a struct or union. */ | |
2360 | ||
b34976b6 | 2361 | static bfd_boolean |
2da42df6 AJ |
2362 | parse_stab_one_struct_field (void *dhandle, struct stab_handle *info, |
2363 | const char **pp, const char *p, | |
2364 | debug_field *retp, bfd_boolean *staticsp) | |
252b5132 RH |
2365 | { |
2366 | const char *orig; | |
2367 | char *name; | |
2368 | enum debug_visibility visibility; | |
2369 | debug_type type; | |
2370 | bfd_vma bitpos; | |
2371 | bfd_vma bitsize; | |
2372 | ||
2373 | orig = *pp; | |
2374 | ||
2375 | /* FIXME: gdb checks ARM_DEMANGLING here. */ | |
2376 | ||
2377 | name = savestring (*pp, p - *pp); | |
2378 | ||
2379 | *pp = p + 1; | |
2380 | ||
2381 | if (**pp != '/') | |
2382 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2383 | else | |
2384 | { | |
2385 | ++*pp; | |
2386 | switch (**pp) | |
2387 | { | |
2388 | case '0': | |
2389 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2390 | break; | |
2391 | case '1': | |
2392 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2393 | break; | |
2394 | case '2': | |
2395 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2396 | break; | |
2397 | default: | |
2398 | warn_stab (orig, _("unknown visibility character for field")); | |
2399 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2400 | break; | |
2401 | } | |
2402 | ++*pp; | |
2403 | } | |
2404 | ||
2405 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2406 | (debug_type **) NULL); | |
2407 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2408 | return FALSE; |
252b5132 RH |
2409 | |
2410 | if (**pp == ':') | |
2411 | { | |
2412 | char *varname; | |
2413 | ||
2414 | /* This is a static class member. */ | |
2415 | ++*pp; | |
2416 | p = strchr (*pp, ';'); | |
2417 | if (p == NULL) | |
2418 | { | |
2419 | bad_stab (orig); | |
b34976b6 | 2420 | return FALSE; |
252b5132 RH |
2421 | } |
2422 | ||
2423 | varname = savestring (*pp, p - *pp); | |
2424 | ||
2425 | *pp = p + 1; | |
2426 | ||
2427 | *retp = debug_make_static_member (dhandle, name, type, varname, | |
2428 | visibility); | |
b34976b6 | 2429 | *staticsp = TRUE; |
252b5132 | 2430 | |
b34976b6 | 2431 | return TRUE; |
252b5132 RH |
2432 | } |
2433 | ||
2434 | if (**pp != ',') | |
2435 | { | |
2436 | bad_stab (orig); | |
b34976b6 | 2437 | return FALSE; |
252b5132 RH |
2438 | } |
2439 | ++*pp; | |
2440 | ||
b34976b6 | 2441 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2442 | if (**pp != ',') |
2443 | { | |
2444 | bad_stab (orig); | |
b34976b6 | 2445 | return FALSE; |
252b5132 RH |
2446 | } |
2447 | ++*pp; | |
2448 | ||
b34976b6 | 2449 | bitsize = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2450 | if (**pp != ';') |
2451 | { | |
2452 | bad_stab (orig); | |
b34976b6 | 2453 | return FALSE; |
252b5132 RH |
2454 | } |
2455 | ++*pp; | |
2456 | ||
2457 | if (bitpos == 0 && bitsize == 0) | |
2458 | { | |
2459 | /* This can happen in two cases: (1) at least for gcc 2.4.5 or | |
2460 | so, it is a field which has been optimized out. The correct | |
2461 | stab for this case is to use VISIBILITY_IGNORE, but that is a | |
2462 | recent invention. (2) It is a 0-size array. For example | |
2463 | union { int num; char str[0]; } foo. Printing "<no value>" | |
2464 | for str in "p foo" is OK, since foo.str (and thus foo.str[3]) | |
2465 | will continue to work, and a 0-size array as a whole doesn't | |
2466 | have any contents to print. | |
2467 | ||
2468 | I suspect this probably could also happen with gcc -gstabs | |
2469 | (not -gstabs+) for static fields, and perhaps other C++ | |
2470 | extensions. Hopefully few people use -gstabs with gdb, since | |
2471 | it is intended for dbx compatibility. */ | |
2472 | visibility = DEBUG_VISIBILITY_IGNORE; | |
2473 | } | |
2474 | ||
2475 | /* FIXME: gdb does some stuff here to mark fields as unpacked. */ | |
2476 | ||
2477 | *retp = debug_make_field (dhandle, name, type, bitpos, bitsize, visibility); | |
2478 | ||
b34976b6 | 2479 | return TRUE; |
252b5132 RH |
2480 | } |
2481 | ||
2482 | /* Read member function stabs info for C++ classes. The form of each member | |
2483 | function data is: | |
2484 | ||
2485 | NAME :: TYPENUM[=type definition] ARGS : PHYSNAME ; | |
2486 | ||
2487 | An example with two member functions is: | |
2488 | ||
2489 | afunc1::20=##15;:i;2A.;afunc2::20:i;2A.; | |
2490 | ||
2491 | For the case of overloaded operators, the format is op$::*.funcs, where | |
2492 | $ is the CPLUS_MARKER (usually '$'), `*' holds the place for an operator | |
2493 | name (such as `+=') and `.' marks the end of the operator name. */ | |
2494 | ||
b34976b6 | 2495 | static bfd_boolean |
2da42df6 AJ |
2496 | parse_stab_members (void *dhandle, struct stab_handle *info, |
2497 | const char *tagname, const char **pp, | |
2498 | const int *typenums, debug_method **retp) | |
252b5132 RH |
2499 | { |
2500 | const char *orig; | |
2501 | debug_method *methods; | |
2502 | unsigned int c; | |
2503 | unsigned int alloc; | |
2504 | ||
2505 | *retp = NULL; | |
2506 | ||
2507 | orig = *pp; | |
2508 | ||
2509 | alloc = 0; | |
2510 | methods = NULL; | |
2511 | c = 0; | |
2512 | ||
2513 | while (**pp != ';') | |
2514 | { | |
2515 | const char *p; | |
2516 | char *name; | |
2517 | debug_method_variant *variants; | |
2518 | unsigned int cvars; | |
2519 | unsigned int allocvars; | |
2520 | debug_type look_ahead_type; | |
2521 | ||
2522 | p = strchr (*pp, ':'); | |
2523 | if (p == NULL || p[1] != ':') | |
2524 | break; | |
2525 | ||
2526 | /* FIXME: Some systems use something other than '$' here. */ | |
2527 | if ((*pp)[0] != 'o' || (*pp)[1] != 'p' || (*pp)[2] != '$') | |
2528 | { | |
2529 | name = savestring (*pp, p - *pp); | |
2530 | *pp = p + 2; | |
2531 | } | |
2532 | else | |
2533 | { | |
aaad4cf3 | 2534 | /* This is a completely weird case. In order to stuff in the |
252b5132 RH |
2535 | names that might contain colons (the usual name delimiter), |
2536 | Mike Tiemann defined a different name format which is | |
2537 | signalled if the identifier is "op$". In that case, the | |
2538 | format is "op$::XXXX." where XXXX is the name. This is | |
2539 | used for names like "+" or "=". YUUUUUUUK! FIXME! */ | |
2540 | *pp = p + 2; | |
2541 | for (p = *pp; *p != '.' && *p != '\0'; p++) | |
2542 | ; | |
2543 | if (*p != '.') | |
2544 | { | |
2545 | bad_stab (orig); | |
b34976b6 | 2546 | return FALSE; |
252b5132 RH |
2547 | } |
2548 | name = savestring (*pp, p - *pp); | |
2549 | *pp = p + 1; | |
2550 | } | |
2551 | ||
2552 | allocvars = 10; | |
2553 | variants = ((debug_method_variant *) | |
2554 | xmalloc (allocvars * sizeof *variants)); | |
2555 | cvars = 0; | |
2556 | ||
2557 | look_ahead_type = DEBUG_TYPE_NULL; | |
2558 | ||
2559 | do | |
2560 | { | |
2561 | debug_type type; | |
b34976b6 | 2562 | bfd_boolean stub; |
252b5132 RH |
2563 | char *argtypes; |
2564 | enum debug_visibility visibility; | |
b34976b6 | 2565 | bfd_boolean constp, volatilep, staticp; |
252b5132 RH |
2566 | bfd_vma voffset; |
2567 | debug_type context; | |
2568 | const char *physname; | |
b34976b6 | 2569 | bfd_boolean varargs; |
252b5132 RH |
2570 | |
2571 | if (look_ahead_type != DEBUG_TYPE_NULL) | |
2572 | { | |
2573 | /* g++ version 1 kludge */ | |
2574 | type = look_ahead_type; | |
2575 | look_ahead_type = DEBUG_TYPE_NULL; | |
2576 | } | |
2577 | else | |
2578 | { | |
2579 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2580 | (debug_type **) NULL); | |
2581 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2582 | return FALSE; |
252b5132 RH |
2583 | if (**pp != ':') |
2584 | { | |
2585 | bad_stab (orig); | |
b34976b6 | 2586 | return FALSE; |
252b5132 RH |
2587 | } |
2588 | } | |
2589 | ||
2590 | ++*pp; | |
2591 | p = strchr (*pp, ';'); | |
2592 | if (p == NULL) | |
2593 | { | |
2594 | bad_stab (orig); | |
b34976b6 | 2595 | return FALSE; |
252b5132 RH |
2596 | } |
2597 | ||
b34976b6 | 2598 | stub = FALSE; |
252b5132 RH |
2599 | if (debug_get_type_kind (dhandle, type) == DEBUG_KIND_METHOD |
2600 | && debug_get_parameter_types (dhandle, type, &varargs) == NULL) | |
b34976b6 | 2601 | stub = TRUE; |
252b5132 RH |
2602 | |
2603 | argtypes = savestring (*pp, p - *pp); | |
2604 | *pp = p + 1; | |
2605 | ||
2606 | switch (**pp) | |
2607 | { | |
2608 | case '0': | |
2609 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2610 | break; | |
2611 | case '1': | |
2612 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2613 | break; | |
2614 | default: | |
2615 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2616 | break; | |
2617 | } | |
2618 | ++*pp; | |
2619 | ||
b34976b6 AM |
2620 | constp = FALSE; |
2621 | volatilep = FALSE; | |
252b5132 RH |
2622 | switch (**pp) |
2623 | { | |
2624 | case 'A': | |
2625 | /* Normal function. */ | |
2626 | ++*pp; | |
2627 | break; | |
2628 | case 'B': | |
2629 | /* const member function. */ | |
b34976b6 | 2630 | constp = TRUE; |
252b5132 RH |
2631 | ++*pp; |
2632 | break; | |
2633 | case 'C': | |
2634 | /* volatile member function. */ | |
b34976b6 | 2635 | volatilep = TRUE; |
252b5132 RH |
2636 | ++*pp; |
2637 | break; | |
2638 | case 'D': | |
2639 | /* const volatile member function. */ | |
b34976b6 AM |
2640 | constp = TRUE; |
2641 | volatilep = TRUE; | |
252b5132 RH |
2642 | ++*pp; |
2643 | break; | |
2644 | case '*': | |
2645 | case '?': | |
2646 | case '.': | |
2647 | /* File compiled with g++ version 1; no information. */ | |
2648 | break; | |
2649 | default: | |
2650 | warn_stab (orig, _("const/volatile indicator missing")); | |
2651 | break; | |
2652 | } | |
2653 | ||
b34976b6 | 2654 | staticp = FALSE; |
252b5132 RH |
2655 | switch (**pp) |
2656 | { | |
2657 | case '*': | |
2658 | /* virtual member function, followed by index. The sign | |
2659 | bit is supposedly set to distinguish | |
2660 | pointers-to-methods from virtual function indicies. */ | |
2661 | ++*pp; | |
b34976b6 | 2662 | voffset = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2663 | if (**pp != ';') |
2664 | { | |
2665 | bad_stab (orig); | |
b34976b6 | 2666 | return FALSE; |
252b5132 RH |
2667 | } |
2668 | ++*pp; | |
2669 | voffset &= 0x7fffffff; | |
2670 | ||
2671 | if (**pp == ';' || *pp == '\0') | |
2672 | { | |
2673 | /* Must be g++ version 1. */ | |
2674 | context = DEBUG_TYPE_NULL; | |
2675 | } | |
2676 | else | |
2677 | { | |
2678 | /* Figure out from whence this virtual function | |
2679 | came. It may belong to virtual function table of | |
2680 | one of its baseclasses. */ | |
9f66665a KH |
2681 | look_ahead_type = parse_stab_type (dhandle, info, |
2682 | (const char *) NULL, | |
2683 | pp, | |
2684 | (debug_type **) NULL); | |
2685 | if (**pp == ':') | |
2686 | { | |
2687 | /* g++ version 1 overloaded methods. */ | |
2688 | context = DEBUG_TYPE_NULL; | |
2689 | } | |
2690 | else | |
2691 | { | |
2692 | context = look_ahead_type; | |
2693 | look_ahead_type = DEBUG_TYPE_NULL; | |
2694 | if (**pp != ';') | |
2695 | { | |
2696 | bad_stab (orig); | |
b34976b6 | 2697 | return FALSE; |
9f66665a KH |
2698 | } |
2699 | ++*pp; | |
2700 | } | |
2701 | } | |
252b5132 RH |
2702 | break; |
2703 | ||
2704 | case '?': | |
2705 | /* static member function. */ | |
2706 | ++*pp; | |
b34976b6 | 2707 | staticp = TRUE; |
252b5132 RH |
2708 | voffset = 0; |
2709 | context = DEBUG_TYPE_NULL; | |
2710 | if (strncmp (argtypes, name, strlen (name)) != 0) | |
b34976b6 | 2711 | stub = TRUE; |
252b5132 RH |
2712 | break; |
2713 | ||
2714 | default: | |
2715 | warn_stab (orig, "member function type missing"); | |
2716 | voffset = 0; | |
2717 | context = DEBUG_TYPE_NULL; | |
2718 | break; | |
2719 | ||
2720 | case '.': | |
2721 | ++*pp; | |
2722 | voffset = 0; | |
2723 | context = DEBUG_TYPE_NULL; | |
2724 | break; | |
2725 | } | |
2726 | ||
2727 | /* If the type is not a stub, then the argtypes string is | |
2728 | the physical name of the function. Otherwise the | |
2729 | argtypes string is the mangled form of the argument | |
2730 | types, and the full type and the physical name must be | |
2731 | extracted from them. */ | |
2732 | if (! stub) | |
2733 | physname = argtypes; | |
2734 | else | |
2735 | { | |
2736 | debug_type class_type, return_type; | |
2737 | ||
2738 | class_type = stab_find_type (dhandle, info, typenums); | |
2739 | if (class_type == DEBUG_TYPE_NULL) | |
b34976b6 | 2740 | return FALSE; |
252b5132 RH |
2741 | return_type = debug_get_return_type (dhandle, type); |
2742 | if (return_type == DEBUG_TYPE_NULL) | |
2743 | { | |
2744 | bad_stab (orig); | |
b34976b6 | 2745 | return FALSE; |
252b5132 RH |
2746 | } |
2747 | type = parse_stab_argtypes (dhandle, info, class_type, name, | |
2748 | tagname, return_type, argtypes, | |
2749 | constp, volatilep, &physname); | |
2750 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2751 | return FALSE; |
252b5132 RH |
2752 | } |
2753 | ||
2754 | if (cvars + 1 >= allocvars) | |
2755 | { | |
2756 | allocvars += 10; | |
2757 | variants = ((debug_method_variant *) | |
2da42df6 | 2758 | xrealloc (variants, |
252b5132 RH |
2759 | allocvars * sizeof *variants)); |
2760 | } | |
2761 | ||
2762 | if (! staticp) | |
2763 | variants[cvars] = debug_make_method_variant (dhandle, physname, | |
2764 | type, visibility, | |
2765 | constp, volatilep, | |
2766 | voffset, context); | |
2767 | else | |
2768 | variants[cvars] = debug_make_static_method_variant (dhandle, | |
2769 | physname, | |
2770 | type, | |
2771 | visibility, | |
2772 | constp, | |
2773 | volatilep); | |
2774 | if (variants[cvars] == DEBUG_METHOD_VARIANT_NULL) | |
b34976b6 | 2775 | return FALSE; |
252b5132 RH |
2776 | |
2777 | ++cvars; | |
2778 | } | |
2779 | while (**pp != ';' && **pp != '\0'); | |
2780 | ||
2781 | variants[cvars] = DEBUG_METHOD_VARIANT_NULL; | |
2782 | ||
2783 | if (**pp != '\0') | |
2784 | ++*pp; | |
2785 | ||
2786 | if (c + 1 >= alloc) | |
2787 | { | |
2788 | alloc += 10; | |
2789 | methods = ((debug_method *) | |
2da42df6 | 2790 | xrealloc (methods, alloc * sizeof *methods)); |
252b5132 RH |
2791 | } |
2792 | ||
2793 | methods[c] = debug_make_method (dhandle, name, variants); | |
2794 | ||
2795 | ++c; | |
2796 | } | |
2797 | ||
2798 | if (methods != NULL) | |
2799 | methods[c] = DEBUG_METHOD_NULL; | |
2800 | ||
2801 | *retp = methods; | |
2802 | ||
b34976b6 | 2803 | return TRUE; |
252b5132 RH |
2804 | } |
2805 | ||
2806 | /* Parse a string representing argument types for a method. Stabs | |
2807 | tries to save space by packing argument types into a mangled | |
2808 | string. This string should give us enough information to extract | |
2809 | both argument types and the physical name of the function, given | |
2810 | the tag name. */ | |
2811 | ||
2812 | static debug_type | |
2da42df6 AJ |
2813 | parse_stab_argtypes (void *dhandle, struct stab_handle *info, |
2814 | debug_type class_type, const char *fieldname, | |
2815 | const char *tagname, debug_type return_type, | |
2816 | const char *argtypes, bfd_boolean constp, | |
2817 | bfd_boolean volatilep, const char **pphysname) | |
252b5132 | 2818 | { |
b34976b6 AM |
2819 | bfd_boolean is_full_physname_constructor; |
2820 | bfd_boolean is_constructor; | |
2821 | bfd_boolean is_destructor; | |
041821e6 | 2822 | bfd_boolean is_v3; |
252b5132 | 2823 | debug_type *args; |
b34976b6 | 2824 | bfd_boolean varargs; |
4b73ca92 | 2825 | unsigned int physname_len = 0; |
252b5132 RH |
2826 | |
2827 | /* Constructors are sometimes handled specially. */ | |
2828 | is_full_physname_constructor = ((argtypes[0] == '_' | |
2829 | && argtypes[1] == '_' | |
3882b010 | 2830 | && (ISDIGIT (argtypes[2]) |
252b5132 RH |
2831 | || argtypes[2] == 'Q' |
2832 | || argtypes[2] == 't')) | |
2833 | || strncmp (argtypes, "__ct", 4) == 0); | |
2834 | ||
2835 | is_constructor = (is_full_physname_constructor | |
2836 | || (tagname != NULL | |
2837 | && strcmp (fieldname, tagname) == 0)); | |
2838 | is_destructor = ((argtypes[0] == '_' | |
2839 | && (argtypes[1] == '$' || argtypes[1] == '.') | |
2840 | && argtypes[2] == '_') | |
2841 | || strncmp (argtypes, "__dt", 4) == 0); | |
041821e6 | 2842 | is_v3 = argtypes[0] == '_' && argtypes[1] == 'Z'; |
252b5132 | 2843 | |
041821e6 | 2844 | if (is_destructor || is_full_physname_constructor || is_v3) |
252b5132 RH |
2845 | *pphysname = argtypes; |
2846 | else | |
2847 | { | |
2848 | unsigned int len; | |
2849 | const char *const_prefix; | |
2850 | const char *volatile_prefix; | |
2851 | char buf[20]; | |
2852 | unsigned int mangled_name_len; | |
2853 | char *physname; | |
2854 | ||
2855 | len = tagname == NULL ? 0 : strlen (tagname); | |
2856 | const_prefix = constp ? "C" : ""; | |
2857 | volatile_prefix = volatilep ? "V" : ""; | |
2858 | ||
2859 | if (len == 0) | |
2860 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); | |
2861 | else if (tagname != NULL && strchr (tagname, '<') != NULL) | |
2862 | { | |
2863 | /* Template methods are fully mangled. */ | |
2864 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); | |
2865 | tagname = NULL; | |
2866 | len = 0; | |
2867 | } | |
2868 | else | |
2869 | sprintf (buf, "__%s%s%d", const_prefix, volatile_prefix, len); | |
2870 | ||
2871 | mangled_name_len = ((is_constructor ? 0 : strlen (fieldname)) | |
2872 | + strlen (buf) | |
2873 | + len | |
2874 | + strlen (argtypes) | |
2875 | + 1); | |
2876 | ||
2877 | if (fieldname[0] == 'o' | |
2878 | && fieldname[1] == 'p' | |
2879 | && (fieldname[2] == '$' || fieldname[2] == '.')) | |
2880 | { | |
2881 | const char *opname; | |
2882 | ||
2883 | opname = cplus_mangle_opname (fieldname + 3, 0); | |
2884 | if (opname == NULL) | |
2885 | { | |
2886 | fprintf (stderr, _("No mangling for \"%s\"\n"), fieldname); | |
2887 | return DEBUG_TYPE_NULL; | |
2888 | } | |
2889 | mangled_name_len += strlen (opname); | |
2890 | physname = (char *) xmalloc (mangled_name_len); | |
2891 | strncpy (physname, fieldname, 3); | |
2892 | strcpy (physname + 3, opname); | |
2893 | } | |
2894 | else | |
2895 | { | |
2896 | physname = (char *) xmalloc (mangled_name_len); | |
2897 | if (is_constructor) | |
2898 | physname[0] = '\0'; | |
2899 | else | |
2900 | strcpy (physname, fieldname); | |
2901 | } | |
2902 | ||
4b73ca92 | 2903 | physname_len = strlen (physname); |
252b5132 RH |
2904 | strcat (physname, buf); |
2905 | if (tagname != NULL) | |
2906 | strcat (physname, tagname); | |
2907 | strcat (physname, argtypes); | |
2908 | ||
2909 | *pphysname = physname; | |
2910 | } | |
2911 | ||
2912 | if (*argtypes == '\0' || is_destructor) | |
2913 | { | |
2914 | args = (debug_type *) xmalloc (sizeof *args); | |
2915 | *args = NULL; | |
2916 | return debug_make_method_type (dhandle, return_type, class_type, args, | |
b34976b6 | 2917 | FALSE); |
252b5132 RH |
2918 | } |
2919 | ||
4b73ca92 | 2920 | args = stab_demangle_argtypes (dhandle, info, *pphysname, &varargs, physname_len); |
252b5132 RH |
2921 | if (args == NULL) |
2922 | return DEBUG_TYPE_NULL; | |
2923 | ||
2924 | return debug_make_method_type (dhandle, return_type, class_type, args, | |
2925 | varargs); | |
2926 | } | |
2927 | ||
2928 | /* The tail end of stabs for C++ classes that contain a virtual function | |
2929 | pointer contains a tilde, a %, and a type number. | |
2930 | The type number refers to the base class (possibly this class itself) which | |
2931 | contains the vtable pointer for the current class. | |
2932 | ||
2933 | This function is called when we have parsed all the method declarations, | |
2934 | so we can look for the vptr base class info. */ | |
2935 | ||
b34976b6 | 2936 | static bfd_boolean |
2da42df6 AJ |
2937 | parse_stab_tilde_field (void *dhandle, struct stab_handle *info, |
2938 | const char **pp, const int *typenums, | |
2939 | debug_type *retvptrbase, bfd_boolean *retownvptr) | |
252b5132 RH |
2940 | { |
2941 | const char *orig; | |
2942 | const char *hold; | |
2943 | int vtypenums[2]; | |
2944 | ||
2945 | *retvptrbase = DEBUG_TYPE_NULL; | |
b34976b6 | 2946 | *retownvptr = FALSE; |
252b5132 RH |
2947 | |
2948 | orig = *pp; | |
2949 | ||
9f66665a | 2950 | /* If we are positioned at a ';', then skip it. */ |
252b5132 RH |
2951 | if (**pp == ';') |
2952 | ++*pp; | |
2953 | ||
2954 | if (**pp != '~') | |
b34976b6 | 2955 | return TRUE; |
252b5132 RH |
2956 | |
2957 | ++*pp; | |
2958 | ||
2959 | if (**pp == '=' || **pp == '+' || **pp == '-') | |
2960 | { | |
2961 | /* Obsolete flags that used to indicate the presence of | |
9f66665a | 2962 | constructors and/or destructors. */ |
252b5132 RH |
2963 | ++*pp; |
2964 | } | |
2965 | ||
2966 | if (**pp != '%') | |
b34976b6 | 2967 | return TRUE; |
252b5132 RH |
2968 | |
2969 | ++*pp; | |
2970 | ||
2971 | hold = *pp; | |
2972 | ||
2973 | /* The next number is the type number of the base class (possibly | |
2974 | our own class) which supplies the vtable for this class. */ | |
2975 | if (! parse_stab_type_number (pp, vtypenums)) | |
b34976b6 | 2976 | return FALSE; |
252b5132 RH |
2977 | |
2978 | if (vtypenums[0] == typenums[0] | |
2979 | && vtypenums[1] == typenums[1]) | |
b34976b6 | 2980 | *retownvptr = TRUE; |
252b5132 RH |
2981 | else |
2982 | { | |
2983 | debug_type vtype; | |
2984 | const char *p; | |
2985 | ||
2986 | *pp = hold; | |
2987 | ||
2988 | vtype = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2989 | (debug_type **) NULL); | |
2990 | for (p = *pp; *p != ';' && *p != '\0'; p++) | |
2991 | ; | |
2992 | if (*p != ';') | |
2993 | { | |
2994 | bad_stab (orig); | |
b34976b6 | 2995 | return FALSE; |
252b5132 RH |
2996 | } |
2997 | ||
2998 | *retvptrbase = vtype; | |
2999 | ||
3000 | *pp = p + 1; | |
3001 | } | |
3002 | ||
b34976b6 | 3003 | return TRUE; |
252b5132 RH |
3004 | } |
3005 | ||
3006 | /* Read a definition of an array type. */ | |
3007 | ||
3008 | static debug_type | |
2da42df6 AJ |
3009 | parse_stab_array_type (void *dhandle, struct stab_handle *info, |
3010 | const char **pp, bfd_boolean stringp) | |
252b5132 RH |
3011 | { |
3012 | const char *orig; | |
3013 | const char *p; | |
3014 | int typenums[2]; | |
3015 | debug_type index_type; | |
b34976b6 | 3016 | bfd_boolean adjustable; |
252b5132 RH |
3017 | bfd_signed_vma lower, upper; |
3018 | debug_type element_type; | |
3019 | ||
3020 | /* Format of an array type: | |
3021 | "ar<index type>;lower;upper;<array_contents_type>". | |
3022 | OS9000: "arlower,upper;<array_contents_type>". | |
3023 | ||
3024 | Fortran adjustable arrays use Adigits or Tdigits for lower or upper; | |
3025 | for these, produce a type like float[][]. */ | |
3026 | ||
3027 | orig = *pp; | |
3028 | ||
3029 | /* FIXME: gdb checks os9k_stabs here. */ | |
3030 | ||
3031 | /* If the index type is type 0, we take it as int. */ | |
3032 | p = *pp; | |
3033 | if (! parse_stab_type_number (&p, typenums)) | |
3dceb55b | 3034 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3035 | if (typenums[0] == 0 && typenums[1] == 0 && **pp != '=') |
3036 | { | |
3037 | index_type = debug_find_named_type (dhandle, "int"); | |
3038 | if (index_type == DEBUG_TYPE_NULL) | |
3039 | { | |
b34976b6 | 3040 | index_type = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 | 3041 | if (index_type == DEBUG_TYPE_NULL) |
3dceb55b | 3042 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3043 | } |
3044 | *pp = p; | |
3045 | } | |
3046 | else | |
3047 | { | |
3048 | index_type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
3049 | (debug_type **) NULL); | |
3050 | } | |
3051 | ||
3052 | if (**pp != ';') | |
3053 | { | |
3054 | bad_stab (orig); | |
3055 | return DEBUG_TYPE_NULL; | |
3056 | } | |
3057 | ++*pp; | |
3058 | ||
b34976b6 | 3059 | adjustable = FALSE; |
252b5132 | 3060 | |
3882b010 | 3061 | if (! ISDIGIT (**pp) && **pp != '-') |
252b5132 RH |
3062 | { |
3063 | ++*pp; | |
b34976b6 | 3064 | adjustable = TRUE; |
252b5132 RH |
3065 | } |
3066 | ||
b34976b6 | 3067 | lower = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
3068 | if (**pp != ';') |
3069 | { | |
3070 | bad_stab (orig); | |
3dceb55b | 3071 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3072 | } |
3073 | ++*pp; | |
3074 | ||
3882b010 | 3075 | if (! ISDIGIT (**pp) && **pp != '-') |
252b5132 RH |
3076 | { |
3077 | ++*pp; | |
b34976b6 | 3078 | adjustable = TRUE; |
252b5132 RH |
3079 | } |
3080 | ||
b34976b6 | 3081 | upper = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
3082 | if (**pp != ';') |
3083 | { | |
3084 | bad_stab (orig); | |
3dceb55b | 3085 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3086 | } |
3087 | ++*pp; | |
3088 | ||
3089 | element_type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
3090 | (debug_type **) NULL); | |
3091 | if (element_type == DEBUG_TYPE_NULL) | |
3dceb55b | 3092 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3093 | |
3094 | if (adjustable) | |
3095 | { | |
3096 | lower = 0; | |
3097 | upper = -1; | |
3098 | } | |
3099 | ||
3100 | return debug_make_array_type (dhandle, element_type, index_type, lower, | |
3101 | upper, stringp); | |
3102 | } | |
3103 | ||
3104 | /* This struct holds information about files we have seen using | |
3105 | N_BINCL. */ | |
3106 | ||
3107 | struct bincl_file | |
3108 | { | |
3109 | /* The next N_BINCL file. */ | |
3110 | struct bincl_file *next; | |
3111 | /* The next N_BINCL on the stack. */ | |
3112 | struct bincl_file *next_stack; | |
3113 | /* The file name. */ | |
3114 | const char *name; | |
3115 | /* The hash value. */ | |
3116 | bfd_vma hash; | |
3117 | /* The file index. */ | |
3118 | unsigned int file; | |
3119 | /* The list of types defined in this file. */ | |
3120 | struct stab_types *file_types; | |
3121 | }; | |
3122 | ||
3123 | /* Start a new N_BINCL file, pushing it onto the stack. */ | |
3124 | ||
3125 | static void | |
2da42df6 | 3126 | push_bincl (struct stab_handle *info, const char *name, bfd_vma hash) |
252b5132 RH |
3127 | { |
3128 | struct bincl_file *n; | |
3129 | ||
3130 | n = (struct bincl_file *) xmalloc (sizeof *n); | |
3131 | n->next = info->bincl_list; | |
3132 | n->next_stack = info->bincl_stack; | |
3133 | n->name = name; | |
3134 | n->hash = hash; | |
3135 | n->file = info->files; | |
3136 | n->file_types = NULL; | |
3137 | info->bincl_list = n; | |
3138 | info->bincl_stack = n; | |
3139 | ||
3140 | ++info->files; | |
3141 | info->file_types = ((struct stab_types **) | |
2da42df6 | 3142 | xrealloc (info->file_types, |
252b5132 RH |
3143 | (info->files |
3144 | * sizeof *info->file_types))); | |
3145 | info->file_types[n->file] = NULL; | |
3146 | } | |
3147 | ||
3148 | /* Finish an N_BINCL file, at an N_EINCL, popping the name off the | |
3149 | stack. */ | |
3150 | ||
3151 | static const char * | |
2da42df6 | 3152 | pop_bincl (struct stab_handle *info) |
252b5132 RH |
3153 | { |
3154 | struct bincl_file *o; | |
3155 | ||
3156 | o = info->bincl_stack; | |
3157 | if (o == NULL) | |
3158 | return info->main_filename; | |
3159 | info->bincl_stack = o->next_stack; | |
3160 | ||
3161 | o->file_types = info->file_types[o->file]; | |
3162 | ||
3163 | if (info->bincl_stack == NULL) | |
3164 | return info->main_filename; | |
3165 | return info->bincl_stack->name; | |
3166 | } | |
3167 | ||
3168 | /* Handle an N_EXCL: get the types from the corresponding N_BINCL. */ | |
3169 | ||
b34976b6 | 3170 | static bfd_boolean |
2da42df6 | 3171 | find_excl (struct stab_handle *info, const char *name, bfd_vma hash) |
252b5132 RH |
3172 | { |
3173 | struct bincl_file *l; | |
3174 | ||
3175 | ++info->files; | |
3176 | info->file_types = ((struct stab_types **) | |
2da42df6 | 3177 | xrealloc (info->file_types, |
252b5132 RH |
3178 | (info->files |
3179 | * sizeof *info->file_types))); | |
3180 | ||
3181 | for (l = info->bincl_list; l != NULL; l = l->next) | |
3182 | if (l->hash == hash && strcmp (l->name, name) == 0) | |
3183 | break; | |
3184 | if (l == NULL) | |
3185 | { | |
3186 | warn_stab (name, _("Undefined N_EXCL")); | |
3187 | info->file_types[info->files - 1] = NULL; | |
b34976b6 | 3188 | return TRUE; |
252b5132 RH |
3189 | } |
3190 | ||
3191 | info->file_types[info->files - 1] = l->file_types; | |
3192 | ||
b34976b6 | 3193 | return TRUE; |
252b5132 RH |
3194 | } |
3195 | ||
3196 | /* Handle a variable definition. gcc emits variable definitions for a | |
3197 | block before the N_LBRAC, so we must hold onto them until we see | |
3198 | it. The SunPRO compiler emits variable definitions after the | |
3199 | N_LBRAC, so we can call debug_record_variable immediately. */ | |
3200 | ||
b34976b6 | 3201 | static bfd_boolean |
2da42df6 AJ |
3202 | stab_record_variable (void *dhandle, struct stab_handle *info, |
3203 | const char *name, debug_type type, | |
3204 | enum debug_var_kind kind, bfd_vma val) | |
252b5132 RH |
3205 | { |
3206 | struct stab_pending_var *v; | |
3207 | ||
3208 | if ((kind == DEBUG_GLOBAL || kind == DEBUG_STATIC) | |
3209 | || ! info->within_function | |
3210 | || (info->gcc_compiled == 0 && info->n_opt_found)) | |
3211 | return debug_record_variable (dhandle, name, type, kind, val); | |
3212 | ||
3213 | v = (struct stab_pending_var *) xmalloc (sizeof *v); | |
3214 | memset (v, 0, sizeof *v); | |
3215 | ||
3216 | v->next = info->pending; | |
3217 | v->name = name; | |
3218 | v->type = type; | |
3219 | v->kind = kind; | |
3220 | v->val = val; | |
3221 | info->pending = v; | |
3222 | ||
b34976b6 | 3223 | return TRUE; |
252b5132 RH |
3224 | } |
3225 | ||
3226 | /* Emit pending variable definitions. This is called after we see the | |
3227 | N_LBRAC that starts the block. */ | |
3228 | ||
b34976b6 | 3229 | static bfd_boolean |
2da42df6 | 3230 | stab_emit_pending_vars (void *dhandle, struct stab_handle *info) |
252b5132 RH |
3231 | { |
3232 | struct stab_pending_var *v; | |
3233 | ||
3234 | v = info->pending; | |
3235 | while (v != NULL) | |
3236 | { | |
3237 | struct stab_pending_var *next; | |
3238 | ||
3239 | if (! debug_record_variable (dhandle, v->name, v->type, v->kind, v->val)) | |
b34976b6 | 3240 | return FALSE; |
252b5132 RH |
3241 | |
3242 | next = v->next; | |
3243 | free (v); | |
3244 | v = next; | |
3245 | } | |
3246 | ||
3247 | info->pending = NULL; | |
3248 | ||
b34976b6 | 3249 | return TRUE; |
252b5132 RH |
3250 | } |
3251 | ||
3252 | /* Find the slot for a type in the database. */ | |
3253 | ||
3254 | static debug_type * | |
2da42df6 | 3255 | stab_find_slot (struct stab_handle *info, const int *typenums) |
252b5132 RH |
3256 | { |
3257 | int filenum; | |
3258 | int index; | |
3259 | struct stab_types **ps; | |
3260 | ||
3261 | filenum = typenums[0]; | |
3262 | index = typenums[1]; | |
3263 | ||
3264 | if (filenum < 0 || (unsigned int) filenum >= info->files) | |
3265 | { | |
3266 | fprintf (stderr, _("Type file number %d out of range\n"), filenum); | |
3267 | return NULL; | |
3268 | } | |
3269 | if (index < 0) | |
3270 | { | |
3271 | fprintf (stderr, _("Type index number %d out of range\n"), index); | |
3272 | return NULL; | |
3273 | } | |
3274 | ||
3275 | ps = info->file_types + filenum; | |
3276 | ||
3277 | while (index >= STAB_TYPES_SLOTS) | |
3278 | { | |
3279 | if (*ps == NULL) | |
3280 | { | |
3281 | *ps = (struct stab_types *) xmalloc (sizeof **ps); | |
3282 | memset (*ps, 0, sizeof **ps); | |
3283 | } | |
3284 | ps = &(*ps)->next; | |
3285 | index -= STAB_TYPES_SLOTS; | |
3286 | } | |
3287 | if (*ps == NULL) | |
3288 | { | |
3289 | *ps = (struct stab_types *) xmalloc (sizeof **ps); | |
3290 | memset (*ps, 0, sizeof **ps); | |
3291 | } | |
3292 | ||
3293 | return (*ps)->types + index; | |
3294 | } | |
3295 | ||
3296 | /* Find a type given a type number. If the type has not been | |
3297 | allocated yet, create an indirect type. */ | |
3298 | ||
3299 | static debug_type | |
2da42df6 | 3300 | stab_find_type (void *dhandle, struct stab_handle *info, const int *typenums) |
252b5132 RH |
3301 | { |
3302 | debug_type *slot; | |
3303 | ||
3304 | if (typenums[0] == 0 && typenums[1] < 0) | |
3305 | { | |
3306 | /* A negative type number indicates an XCOFF builtin type. */ | |
3307 | return stab_xcoff_builtin_type (dhandle, info, typenums[1]); | |
3308 | } | |
3309 | ||
3310 | slot = stab_find_slot (info, typenums); | |
3311 | if (slot == NULL) | |
3312 | return DEBUG_TYPE_NULL; | |
3313 | ||
3314 | if (*slot == DEBUG_TYPE_NULL) | |
3315 | return debug_make_indirect_type (dhandle, slot, (const char *) NULL); | |
3316 | ||
3317 | return *slot; | |
3318 | } | |
3319 | ||
3320 | /* Record that a given type number refers to a given type. */ | |
3321 | ||
b34976b6 | 3322 | static bfd_boolean |
2da42df6 AJ |
3323 | stab_record_type (void *dhandle ATTRIBUTE_UNUSED, struct stab_handle *info, |
3324 | const int *typenums, debug_type type) | |
252b5132 RH |
3325 | { |
3326 | debug_type *slot; | |
3327 | ||
3328 | slot = stab_find_slot (info, typenums); | |
3329 | if (slot == NULL) | |
b34976b6 | 3330 | return FALSE; |
252b5132 RH |
3331 | |
3332 | /* gdb appears to ignore type redefinitions, so we do as well. */ | |
3333 | ||
3334 | *slot = type; | |
3335 | ||
b34976b6 | 3336 | return TRUE; |
252b5132 RH |
3337 | } |
3338 | ||
3339 | /* Return an XCOFF builtin type. */ | |
3340 | ||
3341 | static debug_type | |
2da42df6 AJ |
3342 | stab_xcoff_builtin_type (void *dhandle, struct stab_handle *info, |
3343 | int typenum) | |
252b5132 RH |
3344 | { |
3345 | debug_type rettype; | |
3346 | const char *name; | |
3347 | ||
3348 | if (typenum >= 0 || typenum < -XCOFF_TYPE_COUNT) | |
3349 | { | |
3350 | fprintf (stderr, _("Unrecognized XCOFF type %d\n"), typenum); | |
3351 | return DEBUG_TYPE_NULL; | |
3352 | } | |
3353 | if (info->xcoff_types[-typenum] != NULL) | |
3354 | return info->xcoff_types[-typenum]; | |
3355 | ||
3356 | switch (-typenum) | |
3357 | { | |
3358 | case 1: | |
3359 | /* The size of this and all the other types are fixed, defined | |
3360 | by the debugging format. */ | |
3361 | name = "int"; | |
b34976b6 | 3362 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3363 | break; |
3364 | case 2: | |
3365 | name = "char"; | |
b34976b6 | 3366 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3367 | break; |
3368 | case 3: | |
3369 | name = "short"; | |
b34976b6 | 3370 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3371 | break; |
3372 | case 4: | |
3373 | name = "long"; | |
b34976b6 | 3374 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3375 | break; |
3376 | case 5: | |
3377 | name = "unsigned char"; | |
b34976b6 | 3378 | rettype = debug_make_int_type (dhandle, 1, TRUE); |
252b5132 RH |
3379 | break; |
3380 | case 6: | |
3381 | name = "signed char"; | |
b34976b6 | 3382 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3383 | break; |
3384 | case 7: | |
3385 | name = "unsigned short"; | |
b34976b6 | 3386 | rettype = debug_make_int_type (dhandle, 2, TRUE); |
252b5132 RH |
3387 | break; |
3388 | case 8: | |
3389 | name = "unsigned int"; | |
b34976b6 | 3390 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3391 | break; |
3392 | case 9: | |
3393 | name = "unsigned"; | |
b34976b6 | 3394 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3395 | case 10: |
3396 | name = "unsigned long"; | |
b34976b6 | 3397 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3398 | break; |
3399 | case 11: | |
3400 | name = "void"; | |
3401 | rettype = debug_make_void_type (dhandle); | |
3402 | break; | |
3403 | case 12: | |
3404 | /* IEEE single precision (32 bit). */ | |
3405 | name = "float"; | |
3406 | rettype = debug_make_float_type (dhandle, 4); | |
3407 | break; | |
3408 | case 13: | |
3409 | /* IEEE double precision (64 bit). */ | |
3410 | name = "double"; | |
3411 | rettype = debug_make_float_type (dhandle, 8); | |
3412 | break; | |
3413 | case 14: | |
3414 | /* This is an IEEE double on the RS/6000, and different machines | |
3415 | with different sizes for "long double" should use different | |
3416 | negative type numbers. See stabs.texinfo. */ | |
3417 | name = "long double"; | |
3418 | rettype = debug_make_float_type (dhandle, 8); | |
3419 | break; | |
3420 | case 15: | |
3421 | name = "integer"; | |
b34976b6 | 3422 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3423 | break; |
3424 | case 16: | |
3425 | name = "boolean"; | |
3426 | rettype = debug_make_bool_type (dhandle, 4); | |
3427 | break; | |
3428 | case 17: | |
3429 | name = "short real"; | |
3430 | rettype = debug_make_float_type (dhandle, 4); | |
3431 | break; | |
3432 | case 18: | |
3433 | name = "real"; | |
3434 | rettype = debug_make_float_type (dhandle, 8); | |
3435 | break; | |
3436 | case 19: | |
3437 | /* FIXME */ | |
3438 | name = "stringptr"; | |
3439 | rettype = NULL; | |
3440 | break; | |
3441 | case 20: | |
3442 | /* FIXME */ | |
3443 | name = "character"; | |
b34976b6 | 3444 | rettype = debug_make_int_type (dhandle, 1, TRUE); |
252b5132 RH |
3445 | break; |
3446 | case 21: | |
3447 | name = "logical*1"; | |
3448 | rettype = debug_make_bool_type (dhandle, 1); | |
3449 | break; | |
3450 | case 22: | |
3451 | name = "logical*2"; | |
3452 | rettype = debug_make_bool_type (dhandle, 2); | |
3453 | break; | |
3454 | case 23: | |
3455 | name = "logical*4"; | |
3456 | rettype = debug_make_bool_type (dhandle, 4); | |
3457 | break; | |
3458 | case 24: | |
3459 | name = "logical"; | |
3460 | rettype = debug_make_bool_type (dhandle, 4); | |
3461 | break; | |
3462 | case 25: | |
3463 | /* Complex type consisting of two IEEE single precision values. */ | |
3464 | name = "complex"; | |
3465 | rettype = debug_make_complex_type (dhandle, 8); | |
3466 | break; | |
3467 | case 26: | |
3468 | /* Complex type consisting of two IEEE double precision values. */ | |
3469 | name = "double complex"; | |
3470 | rettype = debug_make_complex_type (dhandle, 16); | |
3471 | break; | |
3472 | case 27: | |
3473 | name = "integer*1"; | |
b34976b6 | 3474 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3475 | break; |
3476 | case 28: | |
3477 | name = "integer*2"; | |
b34976b6 | 3478 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3479 | break; |
3480 | case 29: | |
3481 | name = "integer*4"; | |
b34976b6 | 3482 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3483 | break; |
3484 | case 30: | |
3485 | /* FIXME */ | |
3486 | name = "wchar"; | |
b34976b6 | 3487 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3488 | break; |
3489 | case 31: | |
3490 | name = "long long"; | |
b34976b6 | 3491 | rettype = debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
3492 | break; |
3493 | case 32: | |
3494 | name = "unsigned long long"; | |
b34976b6 | 3495 | rettype = debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
3496 | break; |
3497 | case 33: | |
3498 | name = "logical*8"; | |
3499 | rettype = debug_make_bool_type (dhandle, 8); | |
3500 | break; | |
3501 | case 34: | |
3502 | name = "integer*8"; | |
b34976b6 | 3503 | rettype = debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
3504 | break; |
3505 | default: | |
3506 | abort (); | |
3507 | } | |
3508 | ||
3509 | rettype = debug_name_type (dhandle, name, rettype); | |
3510 | ||
3511 | info->xcoff_types[-typenum] = rettype; | |
3512 | ||
3513 | return rettype; | |
3514 | } | |
3515 | ||
3516 | /* Find or create a tagged type. */ | |
3517 | ||
3518 | static debug_type | |
2da42df6 AJ |
3519 | stab_find_tagged_type (void *dhandle, struct stab_handle *info, |
3520 | const char *p, int len, enum debug_type_kind kind) | |
252b5132 RH |
3521 | { |
3522 | char *name; | |
3523 | debug_type dtype; | |
3524 | struct stab_tag *st; | |
3525 | ||
3526 | name = savestring (p, len); | |
3527 | ||
3528 | /* We pass DEBUG_KIND_ILLEGAL because we want all tags in the same | |
3529 | namespace. This is right for C, and I don't know how to handle | |
3530 | other languages. FIXME. */ | |
3531 | dtype = debug_find_tagged_type (dhandle, name, DEBUG_KIND_ILLEGAL); | |
3532 | if (dtype != DEBUG_TYPE_NULL) | |
3533 | { | |
3534 | free (name); | |
3535 | return dtype; | |
3536 | } | |
3537 | ||
3538 | /* We need to allocate an entry on the undefined tag list. */ | |
3539 | for (st = info->tags; st != NULL; st = st->next) | |
3540 | { | |
3541 | if (st->name[0] == name[0] | |
3542 | && strcmp (st->name, name) == 0) | |
3543 | { | |
3544 | if (st->kind == DEBUG_KIND_ILLEGAL) | |
3545 | st->kind = kind; | |
3546 | free (name); | |
3547 | break; | |
3548 | } | |
3549 | } | |
3550 | if (st == NULL) | |
3551 | { | |
3552 | st = (struct stab_tag *) xmalloc (sizeof *st); | |
3553 | memset (st, 0, sizeof *st); | |
3554 | ||
3555 | st->next = info->tags; | |
3556 | st->name = name; | |
3557 | st->kind = kind; | |
3558 | st->slot = DEBUG_TYPE_NULL; | |
3559 | st->type = debug_make_indirect_type (dhandle, &st->slot, name); | |
3560 | info->tags = st; | |
3561 | } | |
3562 | ||
3563 | return st->type; | |
3564 | } | |
3565 | \f | |
3566 | /* In order to get the correct argument types for a stubbed method, we | |
3567 | need to extract the argument types from a C++ mangled string. | |
3568 | Since the argument types can refer back to the return type, this | |
3569 | means that we must demangle the entire physical name. In gdb this | |
3570 | is done by calling cplus_demangle and running the results back | |
3571 | through the C++ expression parser. Since we have no expression | |
3572 | parser, we must duplicate much of the work of cplus_demangle here. | |
3573 | ||
3574 | We assume that GNU style demangling is used, since this is only | |
3575 | done for method stubs, and only g++ should output that form of | |
3576 | debugging information. */ | |
3577 | ||
3578 | /* This structure is used to hold a pointer to type information which | |
3579 | demangling a string. */ | |
3580 | ||
3581 | struct stab_demangle_typestring | |
3582 | { | |
3583 | /* The start of the type. This is not null terminated. */ | |
3584 | const char *typestring; | |
3585 | /* The length of the type. */ | |
3586 | unsigned int len; | |
3587 | }; | |
3588 | ||
3589 | /* This structure is used to hold information while demangling a | |
3590 | string. */ | |
3591 | ||
3592 | struct stab_demangle_info | |
3593 | { | |
3594 | /* The debugging information handle. */ | |
2da42df6 | 3595 | void *dhandle; |
252b5132 RH |
3596 | /* The stab information handle. */ |
3597 | struct stab_handle *info; | |
3598 | /* The array of arguments we are building. */ | |
3599 | debug_type *args; | |
3600 | /* Whether the method takes a variable number of arguments. */ | |
b34976b6 | 3601 | bfd_boolean varargs; |
252b5132 RH |
3602 | /* The array of types we have remembered. */ |
3603 | struct stab_demangle_typestring *typestrings; | |
3604 | /* The number of typestrings. */ | |
3605 | unsigned int typestring_count; | |
3606 | /* The number of typestring slots we have allocated. */ | |
3607 | unsigned int typestring_alloc; | |
3608 | }; | |
3609 | ||
2da42df6 AJ |
3610 | static void stab_bad_demangle (const char *); |
3611 | static unsigned int stab_demangle_count (const char **); | |
3612 | static bfd_boolean stab_demangle_get_count (const char **, unsigned int *); | |
b34976b6 | 3613 | static bfd_boolean stab_demangle_prefix |
2da42df6 | 3614 | (struct stab_demangle_info *, const char **, unsigned int); |
b34976b6 | 3615 | static bfd_boolean stab_demangle_function_name |
2da42df6 | 3616 | (struct stab_demangle_info *, const char **, const char *); |
b34976b6 | 3617 | static bfd_boolean stab_demangle_signature |
2da42df6 | 3618 | (struct stab_demangle_info *, const char **); |
b34976b6 | 3619 | static bfd_boolean stab_demangle_qualified |
2da42df6 | 3620 | (struct stab_demangle_info *, const char **, debug_type *); |
b34976b6 | 3621 | static bfd_boolean stab_demangle_template |
2da42df6 | 3622 | (struct stab_demangle_info *, const char **, char **); |
b34976b6 | 3623 | static bfd_boolean stab_demangle_class |
2da42df6 | 3624 | (struct stab_demangle_info *, const char **, const char **); |
b34976b6 | 3625 | static bfd_boolean stab_demangle_args |
2da42df6 | 3626 | (struct stab_demangle_info *, const char **, debug_type **, bfd_boolean *); |
b34976b6 | 3627 | static bfd_boolean stab_demangle_arg |
2da42df6 AJ |
3628 | (struct stab_demangle_info *, const char **, debug_type **, |
3629 | unsigned int *, unsigned int *); | |
b34976b6 | 3630 | static bfd_boolean stab_demangle_type |
2da42df6 | 3631 | (struct stab_demangle_info *, const char **, debug_type *); |
b34976b6 | 3632 | static bfd_boolean stab_demangle_fund_type |
2da42df6 | 3633 | (struct stab_demangle_info *, const char **, debug_type *); |
b34976b6 | 3634 | static bfd_boolean stab_demangle_remember_type |
2da42df6 | 3635 | (struct stab_demangle_info *, const char *, int); |
252b5132 RH |
3636 | |
3637 | /* Warn about a bad demangling. */ | |
3638 | ||
3639 | static void | |
2da42df6 | 3640 | stab_bad_demangle (const char *s) |
252b5132 RH |
3641 | { |
3642 | fprintf (stderr, _("bad mangled name `%s'\n"), s); | |
3643 | } | |
3644 | ||
3645 | /* Get a count from a stab string. */ | |
3646 | ||
3647 | static unsigned int | |
2da42df6 | 3648 | stab_demangle_count (const char **pp) |
252b5132 RH |
3649 | { |
3650 | unsigned int count; | |
3651 | ||
3652 | count = 0; | |
3882b010 | 3653 | while (ISDIGIT (**pp)) |
252b5132 RH |
3654 | { |
3655 | count *= 10; | |
3656 | count += **pp - '0'; | |
3657 | ++*pp; | |
3658 | } | |
3659 | return count; | |
3660 | } | |
3661 | ||
3662 | /* Require a count in a string. The count may be multiple digits, in | |
3663 | which case it must end in an underscore. */ | |
3664 | ||
b34976b6 | 3665 | static bfd_boolean |
2da42df6 | 3666 | stab_demangle_get_count (const char **pp, unsigned int *pi) |
252b5132 | 3667 | { |
3882b010 | 3668 | if (! ISDIGIT (**pp)) |
b34976b6 | 3669 | return FALSE; |
252b5132 RH |
3670 | |
3671 | *pi = **pp - '0'; | |
3672 | ++*pp; | |
3882b010 | 3673 | if (ISDIGIT (**pp)) |
252b5132 RH |
3674 | { |
3675 | unsigned int count; | |
3676 | const char *p; | |
3677 | ||
3678 | count = *pi; | |
3679 | p = *pp; | |
3680 | do | |
3681 | { | |
3682 | count *= 10; | |
3683 | count += *p - '0'; | |
3684 | ++p; | |
3685 | } | |
3882b010 | 3686 | while (ISDIGIT (*p)); |
252b5132 RH |
3687 | if (*p == '_') |
3688 | { | |
3689 | *pp = p + 1; | |
3690 | *pi = count; | |
3691 | } | |
3692 | } | |
3693 | ||
b34976b6 | 3694 | return TRUE; |
252b5132 RH |
3695 | } |
3696 | ||
3697 | /* This function demangles a physical name, returning a NULL | |
3698 | terminated array of argument types. */ | |
3699 | ||
3700 | static debug_type * | |
2da42df6 AJ |
3701 | stab_demangle_argtypes (void *dhandle, struct stab_handle *info, |
3702 | const char *physname, bfd_boolean *pvarargs, | |
3703 | unsigned int physname_len) | |
252b5132 RH |
3704 | { |
3705 | struct stab_demangle_info minfo; | |
3706 | ||
041821e6 ILT |
3707 | /* Check for the g++ V3 ABI. */ |
3708 | if (physname[0] == '_' && physname[1] == 'Z') | |
3709 | return stab_demangle_v3_argtypes (dhandle, info, physname, pvarargs); | |
3710 | ||
252b5132 RH |
3711 | minfo.dhandle = dhandle; |
3712 | minfo.info = info; | |
3713 | minfo.args = NULL; | |
b34976b6 | 3714 | minfo.varargs = FALSE; |
252b5132 RH |
3715 | minfo.typestring_alloc = 10; |
3716 | minfo.typestrings = ((struct stab_demangle_typestring *) | |
3717 | xmalloc (minfo.typestring_alloc | |
3718 | * sizeof *minfo.typestrings)); | |
3719 | minfo.typestring_count = 0; | |
3720 | ||
3721 | /* cplus_demangle checks for special GNU mangled forms, but we can't | |
3722 | see any of them in mangled method argument types. */ | |
3723 | ||
4b73ca92 | 3724 | if (! stab_demangle_prefix (&minfo, &physname, physname_len)) |
252b5132 RH |
3725 | goto error_return; |
3726 | ||
3727 | if (*physname != '\0') | |
3728 | { | |
3729 | if (! stab_demangle_signature (&minfo, &physname)) | |
3730 | goto error_return; | |
3731 | } | |
3732 | ||
3733 | free (minfo.typestrings); | |
3734 | minfo.typestrings = NULL; | |
3735 | ||
3736 | if (minfo.args == NULL) | |
3737 | fprintf (stderr, _("no argument types in mangled string\n")); | |
3738 | ||
3739 | *pvarargs = minfo.varargs; | |
3740 | return minfo.args; | |
3741 | ||
3742 | error_return: | |
3743 | if (minfo.typestrings != NULL) | |
3744 | free (minfo.typestrings); | |
3745 | return NULL; | |
3746 | } | |
3747 | ||
3748 | /* Demangle the prefix of the mangled name. */ | |
3749 | ||
b34976b6 | 3750 | static bfd_boolean |
2da42df6 AJ |
3751 | stab_demangle_prefix (struct stab_demangle_info *minfo, const char **pp, |
3752 | unsigned int physname_len) | |
252b5132 RH |
3753 | { |
3754 | const char *scan; | |
3755 | unsigned int i; | |
3756 | ||
3757 | /* cplus_demangle checks for global constructors and destructors, | |
3758 | but we can't see them in mangled argument types. */ | |
3759 | ||
4b73ca92 NC |
3760 | if (physname_len) |
3761 | scan = *pp + physname_len; | |
3762 | else | |
252b5132 | 3763 | { |
4b73ca92 NC |
3764 | /* Look for `__'. */ |
3765 | scan = *pp; | |
3766 | do | |
3767 | scan = strchr (scan, '_'); | |
3768 | while (scan != NULL && *++scan != '_'); | |
252b5132 | 3769 | |
4b73ca92 NC |
3770 | if (scan == NULL) |
3771 | { | |
3772 | stab_bad_demangle (*pp); | |
b34976b6 | 3773 | return FALSE; |
4b73ca92 | 3774 | } |
252b5132 | 3775 | |
4b73ca92 | 3776 | --scan; |
252b5132 | 3777 | |
4b73ca92 NC |
3778 | /* We found `__'; move ahead to the last contiguous `__' pair. */ |
3779 | i = strspn (scan, "_"); | |
3780 | if (i > 2) | |
3781 | scan += i - 2; | |
3782 | } | |
252b5132 RH |
3783 | |
3784 | if (scan == *pp | |
3882b010 | 3785 | && (ISDIGIT (scan[2]) |
252b5132 RH |
3786 | || scan[2] == 'Q' |
3787 | || scan[2] == 't')) | |
3788 | { | |
3789 | /* This is a GNU style constructor name. */ | |
3790 | *pp = scan + 2; | |
b34976b6 | 3791 | return TRUE; |
252b5132 RH |
3792 | } |
3793 | else if (scan == *pp | |
3882b010 | 3794 | && ! ISDIGIT (scan[2]) |
252b5132 RH |
3795 | && scan[2] != 't') |
3796 | { | |
3797 | /* Look for the `__' that separates the prefix from the | |
3798 | signature. */ | |
3799 | while (*scan == '_') | |
3800 | ++scan; | |
3801 | scan = strstr (scan, "__"); | |
3802 | if (scan == NULL || scan[2] == '\0') | |
3803 | { | |
3804 | stab_bad_demangle (*pp); | |
b34976b6 | 3805 | return FALSE; |
252b5132 RH |
3806 | } |
3807 | ||
3808 | return stab_demangle_function_name (minfo, pp, scan); | |
3809 | } | |
3810 | else if (scan[2] != '\0') | |
3811 | { | |
3812 | /* The name doesn't start with `__', but it does contain `__'. */ | |
3813 | return stab_demangle_function_name (minfo, pp, scan); | |
3814 | } | |
3815 | else | |
3816 | { | |
3817 | stab_bad_demangle (*pp); | |
b34976b6 | 3818 | return FALSE; |
252b5132 RH |
3819 | } |
3820 | /*NOTREACHED*/ | |
3821 | } | |
3822 | ||
3823 | /* Demangle a function name prefix. The scan argument points to the | |
3824 | double underscore which separates the function name from the | |
3825 | signature. */ | |
3826 | ||
b34976b6 | 3827 | static bfd_boolean |
2da42df6 AJ |
3828 | stab_demangle_function_name (struct stab_demangle_info *minfo, |
3829 | const char **pp, const char *scan) | |
252b5132 RH |
3830 | { |
3831 | const char *name; | |
3832 | ||
3833 | /* The string from *pp to scan is the name of the function. We | |
3834 | don't care about the name, since we just looking for argument | |
3835 | types. However, for conversion operators, the name may include a | |
3836 | type which we must remember in order to handle backreferences. */ | |
3837 | ||
3838 | name = *pp; | |
3839 | *pp = scan + 2; | |
3840 | ||
3841 | if (*pp - name >= 5 | |
3842 | && strncmp (name, "type", 4) == 0 | |
3843 | && (name[4] == '$' || name[4] == '.')) | |
3844 | { | |
3845 | const char *tem; | |
3846 | ||
3847 | /* This is a type conversion operator. */ | |
3848 | tem = name + 5; | |
3849 | if (! stab_demangle_type (minfo, &tem, (debug_type *) NULL)) | |
b34976b6 | 3850 | return FALSE; |
252b5132 RH |
3851 | } |
3852 | else if (name[0] == '_' | |
3853 | && name[1] == '_' | |
3854 | && name[2] == 'o' | |
3855 | && name[3] == 'p') | |
3856 | { | |
3857 | const char *tem; | |
3858 | ||
3859 | /* This is a type conversion operator. */ | |
3860 | tem = name + 4; | |
3861 | if (! stab_demangle_type (minfo, &tem, (debug_type *) NULL)) | |
b34976b6 | 3862 | return FALSE; |
252b5132 RH |
3863 | } |
3864 | ||
b34976b6 | 3865 | return TRUE; |
252b5132 RH |
3866 | } |
3867 | ||
3868 | /* Demangle the signature. This is where the argument types are | |
3869 | found. */ | |
3870 | ||
b34976b6 | 3871 | static bfd_boolean |
2da42df6 | 3872 | stab_demangle_signature (struct stab_demangle_info *minfo, const char **pp) |
252b5132 RH |
3873 | { |
3874 | const char *orig; | |
b34976b6 | 3875 | bfd_boolean expect_func, func_done; |
252b5132 RH |
3876 | const char *hold; |
3877 | ||
3878 | orig = *pp; | |
3879 | ||
b34976b6 AM |
3880 | expect_func = FALSE; |
3881 | func_done = FALSE; | |
252b5132 RH |
3882 | hold = NULL; |
3883 | ||
3884 | while (**pp != '\0') | |
3885 | { | |
3886 | switch (**pp) | |
3887 | { | |
3888 | case 'Q': | |
3889 | hold = *pp; | |
3890 | if (! stab_demangle_qualified (minfo, pp, (debug_type *) NULL) | |
3891 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 AM |
3892 | return FALSE; |
3893 | expect_func = TRUE; | |
252b5132 RH |
3894 | hold = NULL; |
3895 | break; | |
3896 | ||
3897 | case 'S': | |
3898 | /* Static member function. FIXME: Can this happen? */ | |
3899 | if (hold == NULL) | |
3900 | hold = *pp; | |
3901 | ++*pp; | |
3902 | break; | |
3903 | ||
3904 | case 'C': | |
3905 | /* Const member function. */ | |
3906 | if (hold == NULL) | |
3907 | hold = *pp; | |
3908 | ++*pp; | |
3909 | break; | |
3910 | ||
3911 | case '0': case '1': case '2': case '3': case '4': | |
3912 | case '5': case '6': case '7': case '8': case '9': | |
3913 | if (hold == NULL) | |
3914 | hold = *pp; | |
3915 | if (! stab_demangle_class (minfo, pp, (const char **) NULL) | |
3916 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 AM |
3917 | return FALSE; |
3918 | expect_func = TRUE; | |
252b5132 RH |
3919 | hold = NULL; |
3920 | break; | |
3921 | ||
3922 | case 'F': | |
3923 | /* Function. I don't know if this actually happens with g++ | |
3924 | output. */ | |
3925 | hold = NULL; | |
b34976b6 | 3926 | func_done = TRUE; |
252b5132 RH |
3927 | ++*pp; |
3928 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) | |
b34976b6 | 3929 | return FALSE; |
252b5132 RH |
3930 | break; |
3931 | ||
3932 | case 't': | |
3933 | /* Template. */ | |
3934 | if (hold == NULL) | |
3935 | hold = *pp; | |
3936 | if (! stab_demangle_template (minfo, pp, (char **) NULL) | |
3937 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 | 3938 | return FALSE; |
252b5132 | 3939 | hold = NULL; |
b34976b6 | 3940 | expect_func = TRUE; |
252b5132 RH |
3941 | break; |
3942 | ||
3943 | case '_': | |
3944 | /* At the outermost level, we cannot have a return type | |
3945 | specified, so if we run into another '_' at this point we | |
3946 | are dealing with a mangled name that is either bogus, or | |
3947 | has been mangled by some algorithm we don't know how to | |
3948 | deal with. So just reject the entire demangling. */ | |
3949 | stab_bad_demangle (orig); | |
b34976b6 | 3950 | return FALSE; |
252b5132 RH |
3951 | |
3952 | default: | |
3953 | /* Assume we have stumbled onto the first outermost function | |
3954 | argument token, and start processing args. */ | |
b34976b6 | 3955 | func_done = TRUE; |
252b5132 | 3956 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) |
b34976b6 | 3957 | return FALSE; |
252b5132 RH |
3958 | break; |
3959 | } | |
3960 | ||
3961 | if (expect_func) | |
3962 | { | |
b34976b6 | 3963 | func_done = TRUE; |
252b5132 | 3964 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) |
b34976b6 | 3965 | return FALSE; |
252b5132 RH |
3966 | } |
3967 | } | |
3968 | ||
3969 | if (! func_done) | |
3970 | { | |
3971 | /* With GNU style demangling, bar__3foo is 'foo::bar(void)', and | |
3972 | bar__3fooi is 'foo::bar(int)'. We get here when we find the | |
3973 | first case, and need to ensure that the '(void)' gets added | |
3974 | to the current declp. */ | |
3975 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) | |
b34976b6 | 3976 | return FALSE; |
252b5132 RH |
3977 | } |
3978 | ||
b34976b6 | 3979 | return TRUE; |
252b5132 RH |
3980 | } |
3981 | ||
3982 | /* Demangle a qualified name, such as "Q25Outer5Inner" which is the | |
3983 | mangled form of "Outer::Inner". */ | |
3984 | ||
b34976b6 | 3985 | static bfd_boolean |
2da42df6 AJ |
3986 | stab_demangle_qualified (struct stab_demangle_info *minfo, const char **pp, |
3987 | debug_type *ptype) | |
252b5132 RH |
3988 | { |
3989 | const char *orig; | |
3990 | const char *p; | |
3991 | unsigned int qualifiers; | |
3992 | debug_type context; | |
3993 | ||
3994 | orig = *pp; | |
3995 | ||
3996 | switch ((*pp)[1]) | |
3997 | { | |
3998 | case '_': | |
3999 | /* GNU mangled name with more than 9 classes. The count is | |
4000 | preceded by an underscore (to distinguish it from the <= 9 | |
4001 | case) and followed by an underscore. */ | |
4002 | p = *pp + 2; | |
3882b010 | 4003 | if (! ISDIGIT (*p) || *p == '0') |
252b5132 RH |
4004 | { |
4005 | stab_bad_demangle (orig); | |
b34976b6 | 4006 | return FALSE; |
252b5132 RH |
4007 | } |
4008 | qualifiers = atoi (p); | |
3882b010 | 4009 | while (ISDIGIT (*p)) |
252b5132 RH |
4010 | ++p; |
4011 | if (*p != '_') | |
4012 | { | |
4013 | stab_bad_demangle (orig); | |
b34976b6 | 4014 | return FALSE; |
252b5132 RH |
4015 | } |
4016 | *pp = p + 1; | |
4017 | break; | |
4018 | ||
4019 | case '1': case '2': case '3': case '4': case '5': | |
4020 | case '6': case '7': case '8': case '9': | |
4021 | qualifiers = (*pp)[1] - '0'; | |
4022 | /* Skip an optional underscore after the count. */ | |
4023 | if ((*pp)[2] == '_') | |
4024 | ++*pp; | |
4025 | *pp += 2; | |
4026 | break; | |
4027 | ||
4028 | case '0': | |
4029 | default: | |
4030 | stab_bad_demangle (orig); | |
b34976b6 | 4031 | return FALSE; |
252b5132 RH |
4032 | } |
4033 | ||
4034 | context = DEBUG_TYPE_NULL; | |
4035 | ||
4036 | /* Pick off the names. */ | |
4037 | while (qualifiers-- > 0) | |
4038 | { | |
4039 | if (**pp == '_') | |
4040 | ++*pp; | |
4041 | if (**pp == 't') | |
4042 | { | |
4043 | char *name; | |
4044 | ||
4045 | if (! stab_demangle_template (minfo, pp, | |
4046 | ptype != NULL ? &name : NULL)) | |
b34976b6 | 4047 | return FALSE; |
252b5132 RH |
4048 | |
4049 | if (ptype != NULL) | |
4050 | { | |
4051 | context = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
4052 | name, strlen (name), | |
4053 | DEBUG_KIND_CLASS); | |
4054 | free (name); | |
4055 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 4056 | return FALSE; |
252b5132 RH |
4057 | } |
4058 | } | |
4059 | else | |
4060 | { | |
4061 | unsigned int len; | |
4062 | ||
4063 | len = stab_demangle_count (pp); | |
4064 | if (strlen (*pp) < len) | |
4065 | { | |
4066 | stab_bad_demangle (orig); | |
b34976b6 | 4067 | return FALSE; |
252b5132 RH |
4068 | } |
4069 | ||
4070 | if (ptype != NULL) | |
4071 | { | |
4072 | const debug_field *fields; | |
4073 | ||
4074 | fields = NULL; | |
4075 | if (context != DEBUG_TYPE_NULL) | |
4076 | fields = debug_get_fields (minfo->dhandle, context); | |
4077 | ||
4078 | context = DEBUG_TYPE_NULL; | |
4079 | ||
4080 | if (fields != NULL) | |
4081 | { | |
4082 | char *name; | |
4083 | ||
4084 | /* Try to find the type by looking through the | |
4085 | fields of context until we find a field with the | |
4086 | same type. This ought to work for a class | |
4087 | defined within a class, but it won't work for, | |
4088 | e.g., an enum defined within a class. stabs does | |
4089 | not give us enough information to figure out the | |
4090 | latter case. */ | |
4091 | ||
4092 | name = savestring (*pp, len); | |
4093 | ||
4094 | for (; *fields != DEBUG_FIELD_NULL; fields++) | |
4095 | { | |
4096 | debug_type ft; | |
4097 | const char *dn; | |
4098 | ||
4099 | ft = debug_get_field_type (minfo->dhandle, *fields); | |
4100 | if (ft == NULL) | |
b34976b6 | 4101 | return FALSE; |
252b5132 RH |
4102 | dn = debug_get_type_name (minfo->dhandle, ft); |
4103 | if (dn != NULL && strcmp (dn, name) == 0) | |
4104 | { | |
4105 | context = ft; | |
4106 | break; | |
4107 | } | |
4108 | } | |
4109 | ||
4110 | free (name); | |
4111 | } | |
4112 | ||
4113 | if (context == DEBUG_TYPE_NULL) | |
4114 | { | |
4115 | /* We have to fall back on finding the type by name. | |
4116 | If there are more types to come, then this must | |
4117 | be a class. Otherwise, it could be anything. */ | |
4118 | ||
4119 | if (qualifiers == 0) | |
4120 | { | |
4121 | char *name; | |
4122 | ||
4123 | name = savestring (*pp, len); | |
4124 | context = debug_find_named_type (minfo->dhandle, | |
4125 | name); | |
4126 | free (name); | |
4127 | } | |
4128 | ||
4129 | if (context == DEBUG_TYPE_NULL) | |
4130 | { | |
4131 | context = stab_find_tagged_type (minfo->dhandle, | |
4132 | minfo->info, | |
4133 | *pp, len, | |
4134 | (qualifiers == 0 | |
4135 | ? DEBUG_KIND_ILLEGAL | |
4136 | : DEBUG_KIND_CLASS)); | |
4137 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 4138 | return FALSE; |
252b5132 RH |
4139 | } |
4140 | } | |
4141 | } | |
4142 | ||
4143 | *pp += len; | |
4144 | } | |
4145 | } | |
4146 | ||
4147 | if (ptype != NULL) | |
4148 | *ptype = context; | |
4149 | ||
b34976b6 | 4150 | return TRUE; |
252b5132 RH |
4151 | } |
4152 | ||
4153 | /* Demangle a template. If PNAME is not NULL, this sets *PNAME to a | |
4154 | string representation of the template. */ | |
4155 | ||
b34976b6 | 4156 | static bfd_boolean |
2da42df6 AJ |
4157 | stab_demangle_template (struct stab_demangle_info *minfo, const char **pp, |
4158 | char **pname) | |
252b5132 RH |
4159 | { |
4160 | const char *orig; | |
4161 | unsigned int r, i; | |
4162 | ||
4163 | orig = *pp; | |
4164 | ||
4165 | ++*pp; | |
4166 | ||
4167 | /* Skip the template name. */ | |
4168 | r = stab_demangle_count (pp); | |
4169 | if (r == 0 || strlen (*pp) < r) | |
4170 | { | |
4171 | stab_bad_demangle (orig); | |
b34976b6 | 4172 | return FALSE; |
252b5132 RH |
4173 | } |
4174 | *pp += r; | |
4175 | ||
4176 | /* Get the size of the parameter list. */ | |
4177 | if (stab_demangle_get_count (pp, &r) == 0) | |
4178 | { | |
4179 | stab_bad_demangle (orig); | |
b34976b6 | 4180 | return FALSE; |
252b5132 RH |
4181 | } |
4182 | ||
4183 | for (i = 0; i < r; i++) | |
4184 | { | |
4185 | if (**pp == 'Z') | |
4186 | { | |
4187 | /* This is a type parameter. */ | |
4188 | ++*pp; | |
4189 | if (! stab_demangle_type (minfo, pp, (debug_type *) NULL)) | |
b34976b6 | 4190 | return FALSE; |
252b5132 RH |
4191 | } |
4192 | else | |
4193 | { | |
4194 | const char *old_p; | |
b34976b6 AM |
4195 | bfd_boolean pointerp, realp, integralp, charp, boolp; |
4196 | bfd_boolean done; | |
252b5132 RH |
4197 | |
4198 | old_p = *pp; | |
b34976b6 AM |
4199 | pointerp = FALSE; |
4200 | realp = FALSE; | |
4201 | integralp = FALSE; | |
4202 | charp = FALSE; | |
4203 | boolp = FALSE; | |
4204 | done = FALSE; | |
252b5132 RH |
4205 | |
4206 | /* This is a value parameter. */ | |
4207 | ||
4208 | if (! stab_demangle_type (minfo, pp, (debug_type *) NULL)) | |
b34976b6 | 4209 | return FALSE; |
252b5132 RH |
4210 | |
4211 | while (*old_p != '\0' && ! done) | |
4212 | { | |
4213 | switch (*old_p) | |
4214 | { | |
4215 | case 'P': | |
4216 | case 'p': | |
4217 | case 'R': | |
b34976b6 AM |
4218 | pointerp = TRUE; |
4219 | done = TRUE; | |
252b5132 RH |
4220 | break; |
4221 | case 'C': /* Const. */ | |
4222 | case 'S': /* Signed. */ | |
4223 | case 'U': /* Unsigned. */ | |
4224 | case 'V': /* Volatile. */ | |
4225 | case 'F': /* Function. */ | |
4226 | case 'M': /* Member function. */ | |
4227 | case 'O': /* ??? */ | |
4228 | ++old_p; | |
4229 | break; | |
4230 | case 'Q': /* Qualified name. */ | |
b34976b6 AM |
4231 | integralp = TRUE; |
4232 | done = TRUE; | |
252b5132 RH |
4233 | break; |
4234 | case 'T': /* Remembered type. */ | |
4235 | abort (); | |
4236 | case 'v': /* Void. */ | |
4237 | abort (); | |
4238 | case 'x': /* Long long. */ | |
4239 | case 'l': /* Long. */ | |
4240 | case 'i': /* Int. */ | |
4241 | case 's': /* Short. */ | |
4242 | case 'w': /* Wchar_t. */ | |
b34976b6 AM |
4243 | integralp = TRUE; |
4244 | done = TRUE; | |
252b5132 RH |
4245 | break; |
4246 | case 'b': /* Bool. */ | |
b34976b6 AM |
4247 | boolp = TRUE; |
4248 | done = TRUE; | |
252b5132 RH |
4249 | break; |
4250 | case 'c': /* Char. */ | |
b34976b6 AM |
4251 | charp = TRUE; |
4252 | done = TRUE; | |
252b5132 RH |
4253 | break; |
4254 | case 'r': /* Long double. */ | |
4255 | case 'd': /* Double. */ | |
4256 | case 'f': /* Float. */ | |
b34976b6 AM |
4257 | realp = TRUE; |
4258 | done = TRUE; | |
252b5132 RH |
4259 | break; |
4260 | default: | |
4261 | /* Assume it's a user defined integral type. */ | |
b34976b6 AM |
4262 | integralp = TRUE; |
4263 | done = TRUE; | |
252b5132 RH |
4264 | break; |
4265 | } | |
4266 | } | |
4267 | ||
4268 | if (integralp) | |
4269 | { | |
4270 | if (**pp == 'm') | |
4271 | ++*pp; | |
3882b010 | 4272 | while (ISDIGIT (**pp)) |
252b5132 RH |
4273 | ++*pp; |
4274 | } | |
4275 | else if (charp) | |
4276 | { | |
4277 | unsigned int val; | |
4278 | ||
4279 | if (**pp == 'm') | |
4280 | ++*pp; | |
4281 | val = stab_demangle_count (pp); | |
4282 | if (val == 0) | |
4283 | { | |
4284 | stab_bad_demangle (orig); | |
b34976b6 | 4285 | return FALSE; |
252b5132 RH |
4286 | } |
4287 | } | |
4288 | else if (boolp) | |
4289 | { | |
4290 | unsigned int val; | |
4291 | ||
4292 | val = stab_demangle_count (pp); | |
4293 | if (val != 0 && val != 1) | |
4294 | { | |
4295 | stab_bad_demangle (orig); | |
b34976b6 | 4296 | return FALSE; |
252b5132 RH |
4297 | } |
4298 | } | |
4299 | else if (realp) | |
4300 | { | |
4301 | if (**pp == 'm') | |
4302 | ++*pp; | |
3882b010 | 4303 | while (ISDIGIT (**pp)) |
252b5132 RH |
4304 | ++*pp; |
4305 | if (**pp == '.') | |
4306 | { | |
4307 | ++*pp; | |
3882b010 | 4308 | while (ISDIGIT (**pp)) |
252b5132 RH |
4309 | ++*pp; |
4310 | } | |
4311 | if (**pp == 'e') | |
4312 | { | |
4313 | ++*pp; | |
3882b010 | 4314 | while (ISDIGIT (**pp)) |
252b5132 RH |
4315 | ++*pp; |
4316 | } | |
4317 | } | |
4318 | else if (pointerp) | |
4319 | { | |
4320 | unsigned int len; | |
4321 | ||
4322 | if (! stab_demangle_get_count (pp, &len)) | |
4323 | { | |
4324 | stab_bad_demangle (orig); | |
b34976b6 | 4325 | return FALSE; |
252b5132 RH |
4326 | } |
4327 | *pp += len; | |
4328 | } | |
4329 | } | |
4330 | } | |
4331 | ||
4332 | /* We can translate this to a string fairly easily by invoking the | |
4333 | regular demangling routine. */ | |
4334 | if (pname != NULL) | |
4335 | { | |
d81d6584 | 4336 | char *s1, *s2, *s3, *s4 = NULL; |
252b5132 RH |
4337 | char *from, *to; |
4338 | ||
4339 | s1 = savestring (orig, *pp - orig); | |
4340 | ||
4341 | s2 = concat ("NoSuchStrinG__", s1, (const char *) NULL); | |
4342 | ||
4343 | free (s1); | |
4344 | ||
4345 | s3 = cplus_demangle (s2, DMGL_ANSI); | |
4346 | ||
4347 | free (s2); | |
4348 | ||
4349 | if (s3 != NULL) | |
4350 | s4 = strstr (s3, "::NoSuchStrinG"); | |
4351 | if (s3 == NULL || s4 == NULL) | |
4352 | { | |
4353 | stab_bad_demangle (orig); | |
4354 | if (s3 != NULL) | |
4355 | free (s3); | |
b34976b6 | 4356 | return FALSE; |
252b5132 RH |
4357 | } |
4358 | ||
4359 | /* Eliminating all spaces, except those between > characters, | |
4360 | makes it more likely that the demangled name will match the | |
4361 | name which g++ used as the structure name. */ | |
4362 | for (from = to = s3; from != s4; ++from) | |
4363 | if (*from != ' ' | |
4364 | || (from[1] == '>' && from > s3 && from[-1] == '>')) | |
4365 | *to++ = *from; | |
4366 | ||
4367 | *pname = savestring (s3, to - s3); | |
4368 | ||
4369 | free (s3); | |
4370 | } | |
4371 | ||
b34976b6 | 4372 | return TRUE; |
252b5132 RH |
4373 | } |
4374 | ||
4375 | /* Demangle a class name. */ | |
4376 | ||
b34976b6 | 4377 | static bfd_boolean |
2da42df6 AJ |
4378 | stab_demangle_class (struct stab_demangle_info *minfo ATTRIBUTE_UNUSED, |
4379 | const char **pp, const char **pstart) | |
252b5132 RH |
4380 | { |
4381 | const char *orig; | |
4382 | unsigned int n; | |
4383 | ||
4384 | orig = *pp; | |
4385 | ||
4386 | n = stab_demangle_count (pp); | |
4387 | if (strlen (*pp) < n) | |
4388 | { | |
4389 | stab_bad_demangle (orig); | |
b34976b6 | 4390 | return FALSE; |
252b5132 RH |
4391 | } |
4392 | ||
4393 | if (pstart != NULL) | |
4394 | *pstart = *pp; | |
4395 | ||
4396 | *pp += n; | |
4397 | ||
b34976b6 | 4398 | return TRUE; |
252b5132 RH |
4399 | } |
4400 | ||
4401 | /* Demangle function arguments. If the pargs argument is not NULL, it | |
4402 | is set to a NULL terminated array holding the arguments. */ | |
4403 | ||
b34976b6 | 4404 | static bfd_boolean |
2da42df6 AJ |
4405 | stab_demangle_args (struct stab_demangle_info *minfo, const char **pp, |
4406 | debug_type **pargs, bfd_boolean *pvarargs) | |
252b5132 RH |
4407 | { |
4408 | const char *orig; | |
4409 | unsigned int alloc, count; | |
4410 | ||
4411 | orig = *pp; | |
4412 | ||
4413 | alloc = 10; | |
4414 | if (pargs != NULL) | |
4415 | { | |
4416 | *pargs = (debug_type *) xmalloc (alloc * sizeof **pargs); | |
b34976b6 | 4417 | *pvarargs = FALSE; |
252b5132 RH |
4418 | } |
4419 | count = 0; | |
4420 | ||
4421 | while (**pp != '_' && **pp != '\0' && **pp != 'e') | |
4422 | { | |
4423 | if (**pp == 'N' || **pp == 'T') | |
4424 | { | |
4425 | char temptype; | |
4426 | unsigned int r, t; | |
4427 | ||
4428 | temptype = **pp; | |
4429 | ++*pp; | |
4430 | ||
4431 | if (temptype == 'T') | |
4432 | r = 1; | |
4433 | else | |
4434 | { | |
4435 | if (! stab_demangle_get_count (pp, &r)) | |
4436 | { | |
4437 | stab_bad_demangle (orig); | |
b34976b6 | 4438 | return FALSE; |
252b5132 RH |
4439 | } |
4440 | } | |
4441 | ||
4442 | if (! stab_demangle_get_count (pp, &t)) | |
4443 | { | |
4444 | stab_bad_demangle (orig); | |
b34976b6 | 4445 | return FALSE; |
252b5132 RH |
4446 | } |
4447 | ||
4448 | if (t >= minfo->typestring_count) | |
4449 | { | |
4450 | stab_bad_demangle (orig); | |
b34976b6 | 4451 | return FALSE; |
252b5132 RH |
4452 | } |
4453 | while (r-- > 0) | |
4454 | { | |
4455 | const char *tem; | |
4456 | ||
4457 | tem = minfo->typestrings[t].typestring; | |
4458 | if (! stab_demangle_arg (minfo, &tem, pargs, &count, &alloc)) | |
b34976b6 | 4459 | return FALSE; |
252b5132 RH |
4460 | } |
4461 | } | |
4462 | else | |
4463 | { | |
4464 | if (! stab_demangle_arg (minfo, pp, pargs, &count, &alloc)) | |
b34976b6 | 4465 | return FALSE; |
252b5132 RH |
4466 | } |
4467 | } | |
4468 | ||
4469 | if (pargs != NULL) | |
4470 | (*pargs)[count] = DEBUG_TYPE_NULL; | |
4471 | ||
4472 | if (**pp == 'e') | |
4473 | { | |
4474 | if (pargs != NULL) | |
b34976b6 | 4475 | *pvarargs = TRUE; |
252b5132 RH |
4476 | ++*pp; |
4477 | } | |
4478 | ||
b34976b6 | 4479 | return TRUE; |
252b5132 RH |
4480 | } |
4481 | ||
4482 | /* Demangle a single argument. */ | |
4483 | ||
b34976b6 | 4484 | static bfd_boolean |
2da42df6 AJ |
4485 | stab_demangle_arg (struct stab_demangle_info *minfo, const char **pp, |
4486 | debug_type **pargs, unsigned int *pcount, | |
4487 | unsigned int *palloc) | |
252b5132 RH |
4488 | { |
4489 | const char *start; | |
4490 | debug_type type; | |
4491 | ||
4492 | start = *pp; | |
4493 | if (! stab_demangle_type (minfo, pp, | |
4494 | pargs == NULL ? (debug_type *) NULL : &type) | |
4495 | || ! stab_demangle_remember_type (minfo, start, *pp - start)) | |
b34976b6 | 4496 | return FALSE; |
252b5132 RH |
4497 | |
4498 | if (pargs != NULL) | |
4499 | { | |
4500 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 4501 | return FALSE; |
252b5132 RH |
4502 | |
4503 | if (*pcount + 1 >= *palloc) | |
4504 | { | |
4505 | *palloc += 10; | |
4506 | *pargs = ((debug_type *) | |
4507 | xrealloc (*pargs, *palloc * sizeof **pargs)); | |
4508 | } | |
4509 | (*pargs)[*pcount] = type; | |
4510 | ++*pcount; | |
4511 | } | |
4512 | ||
b34976b6 | 4513 | return TRUE; |
252b5132 RH |
4514 | } |
4515 | ||
4516 | /* Demangle a type. If the ptype argument is not NULL, *ptype is set | |
4517 | to the newly allocated type. */ | |
4518 | ||
b34976b6 | 4519 | static bfd_boolean |
2da42df6 AJ |
4520 | stab_demangle_type (struct stab_demangle_info *minfo, const char **pp, |
4521 | debug_type *ptype) | |
252b5132 RH |
4522 | { |
4523 | const char *orig; | |
4524 | ||
4525 | orig = *pp; | |
4526 | ||
4527 | switch (**pp) | |
4528 | { | |
4529 | case 'P': | |
4530 | case 'p': | |
4531 | /* A pointer type. */ | |
4532 | ++*pp; | |
4533 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4534 | return FALSE; |
252b5132 RH |
4535 | if (ptype != NULL) |
4536 | *ptype = debug_make_pointer_type (minfo->dhandle, *ptype); | |
4537 | break; | |
4538 | ||
4539 | case 'R': | |
4540 | /* A reference type. */ | |
4541 | ++*pp; | |
4542 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4543 | return FALSE; |
252b5132 RH |
4544 | if (ptype != NULL) |
4545 | *ptype = debug_make_reference_type (minfo->dhandle, *ptype); | |
4546 | break; | |
4547 | ||
4548 | case 'A': | |
4549 | /* An array. */ | |
4550 | { | |
4551 | unsigned long high; | |
4552 | ||
4553 | ++*pp; | |
4554 | high = 0; | |
4555 | while (**pp != '\0' && **pp != '_') | |
4556 | { | |
3882b010 | 4557 | if (! ISDIGIT (**pp)) |
252b5132 RH |
4558 | { |
4559 | stab_bad_demangle (orig); | |
b34976b6 | 4560 | return FALSE; |
252b5132 RH |
4561 | } |
4562 | high *= 10; | |
4563 | high += **pp - '0'; | |
4564 | ++*pp; | |
4565 | } | |
4566 | if (**pp != '_') | |
4567 | { | |
4568 | stab_bad_demangle (orig); | |
b34976b6 | 4569 | return FALSE; |
252b5132 RH |
4570 | } |
4571 | ++*pp; | |
4572 | ||
4573 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4574 | return FALSE; |
252b5132 RH |
4575 | if (ptype != NULL) |
4576 | { | |
4577 | debug_type int_type; | |
4578 | ||
4579 | int_type = debug_find_named_type (minfo->dhandle, "int"); | |
4580 | if (int_type == NULL) | |
b34976b6 | 4581 | int_type = debug_make_int_type (minfo->dhandle, 4, FALSE); |
252b5132 | 4582 | *ptype = debug_make_array_type (minfo->dhandle, *ptype, int_type, |
b34976b6 | 4583 | 0, high, FALSE); |
252b5132 RH |
4584 | } |
4585 | } | |
4586 | break; | |
4587 | ||
4588 | case 'T': | |
4589 | /* A back reference to a remembered type. */ | |
4590 | { | |
4591 | unsigned int i; | |
4592 | const char *p; | |
4593 | ||
4594 | ++*pp; | |
4595 | if (! stab_demangle_get_count (pp, &i)) | |
4596 | { | |
4597 | stab_bad_demangle (orig); | |
b34976b6 | 4598 | return FALSE; |
252b5132 RH |
4599 | } |
4600 | if (i >= minfo->typestring_count) | |
4601 | { | |
4602 | stab_bad_demangle (orig); | |
b34976b6 | 4603 | return FALSE; |
252b5132 RH |
4604 | } |
4605 | p = minfo->typestrings[i].typestring; | |
4606 | if (! stab_demangle_type (minfo, &p, ptype)) | |
b34976b6 | 4607 | return FALSE; |
252b5132 RH |
4608 | } |
4609 | break; | |
4610 | ||
4611 | case 'F': | |
4612 | /* A function. */ | |
4613 | { | |
4614 | debug_type *args; | |
b34976b6 | 4615 | bfd_boolean varargs; |
252b5132 RH |
4616 | |
4617 | ++*pp; | |
4618 | if (! stab_demangle_args (minfo, pp, | |
4619 | (ptype == NULL | |
4620 | ? (debug_type **) NULL | |
4621 | : &args), | |
4622 | (ptype == NULL | |
b34976b6 | 4623 | ? (bfd_boolean *) NULL |
252b5132 | 4624 | : &varargs))) |
b34976b6 | 4625 | return FALSE; |
252b5132 RH |
4626 | if (**pp != '_') |
4627 | { | |
4628 | /* cplus_demangle will accept a function without a return | |
4629 | type, but I don't know when that will happen, or what | |
4630 | to do if it does. */ | |
4631 | stab_bad_demangle (orig); | |
b34976b6 | 4632 | return FALSE; |
252b5132 RH |
4633 | } |
4634 | ++*pp; | |
4635 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4636 | return FALSE; |
252b5132 RH |
4637 | if (ptype != NULL) |
4638 | *ptype = debug_make_function_type (minfo->dhandle, *ptype, args, | |
4639 | varargs); | |
4640 | ||
4641 | } | |
4642 | break; | |
4643 | ||
4644 | case 'M': | |
4645 | case 'O': | |
4646 | { | |
b34976b6 | 4647 | bfd_boolean memberp, constp, volatilep; |
c602a165 | 4648 | debug_type class_type = DEBUG_TYPE_NULL; |
252b5132 | 4649 | debug_type *args; |
b34976b6 | 4650 | bfd_boolean varargs; |
252b5132 RH |
4651 | unsigned int n; |
4652 | const char *name; | |
4653 | ||
4654 | memberp = **pp == 'M'; | |
b34976b6 AM |
4655 | constp = FALSE; |
4656 | volatilep = FALSE; | |
252b5132 | 4657 | args = NULL; |
b34976b6 | 4658 | varargs = FALSE; |
252b5132 RH |
4659 | |
4660 | ++*pp; | |
3882b010 | 4661 | if (ISDIGIT (**pp)) |
252b5132 | 4662 | { |
c602a165 ILT |
4663 | n = stab_demangle_count (pp); |
4664 | if (strlen (*pp) < n) | |
4665 | { | |
4666 | stab_bad_demangle (orig); | |
b34976b6 | 4667 | return FALSE; |
c602a165 ILT |
4668 | } |
4669 | name = *pp; | |
4670 | *pp += n; | |
4671 | ||
4672 | if (ptype != NULL) | |
4673 | { | |
4674 | class_type = stab_find_tagged_type (minfo->dhandle, | |
4675 | minfo->info, | |
4676 | name, (int) n, | |
4677 | DEBUG_KIND_CLASS); | |
4678 | if (class_type == DEBUG_TYPE_NULL) | |
b34976b6 | 4679 | return FALSE; |
c602a165 | 4680 | } |
252b5132 | 4681 | } |
c602a165 ILT |
4682 | else if (**pp == 'Q') |
4683 | { | |
4684 | if (! stab_demangle_qualified (minfo, pp, | |
4685 | (ptype == NULL | |
4686 | ? (debug_type *) NULL | |
4687 | : &class_type))) | |
b34976b6 | 4688 | return FALSE; |
c602a165 ILT |
4689 | } |
4690 | else | |
252b5132 RH |
4691 | { |
4692 | stab_bad_demangle (orig); | |
b34976b6 | 4693 | return FALSE; |
252b5132 | 4694 | } |
252b5132 RH |
4695 | |
4696 | if (memberp) | |
4697 | { | |
4698 | if (**pp == 'C') | |
4699 | { | |
b34976b6 | 4700 | constp = TRUE; |
252b5132 RH |
4701 | ++*pp; |
4702 | } | |
4703 | else if (**pp == 'V') | |
4704 | { | |
b34976b6 | 4705 | volatilep = TRUE; |
252b5132 RH |
4706 | ++*pp; |
4707 | } | |
4708 | if (**pp != 'F') | |
4709 | { | |
4710 | stab_bad_demangle (orig); | |
b34976b6 | 4711 | return FALSE; |
252b5132 RH |
4712 | } |
4713 | ++*pp; | |
4714 | if (! stab_demangle_args (minfo, pp, | |
4715 | (ptype == NULL | |
4716 | ? (debug_type **) NULL | |
4717 | : &args), | |
4718 | (ptype == NULL | |
b34976b6 | 4719 | ? (bfd_boolean *) NULL |
252b5132 | 4720 | : &varargs))) |
b34976b6 | 4721 | return FALSE; |
252b5132 RH |
4722 | } |
4723 | ||
4724 | if (**pp != '_') | |
4725 | { | |
4726 | stab_bad_demangle (orig); | |
b34976b6 | 4727 | return FALSE; |
252b5132 RH |
4728 | } |
4729 | ++*pp; | |
4730 | ||
4731 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4732 | return FALSE; |
252b5132 RH |
4733 | |
4734 | if (ptype != NULL) | |
4735 | { | |
252b5132 RH |
4736 | if (! memberp) |
4737 | *ptype = debug_make_offset_type (minfo->dhandle, class_type, | |
4738 | *ptype); | |
4739 | else | |
4740 | { | |
4741 | /* FIXME: We have no way to record constp or | |
4742 | volatilep. */ | |
4743 | *ptype = debug_make_method_type (minfo->dhandle, *ptype, | |
4744 | class_type, args, varargs); | |
4745 | } | |
4746 | } | |
4747 | } | |
4748 | break; | |
4749 | ||
4750 | case 'G': | |
4751 | ++*pp; | |
4752 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4753 | return FALSE; |
252b5132 RH |
4754 | break; |
4755 | ||
4756 | case 'C': | |
4757 | ++*pp; | |
4758 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4759 | return FALSE; |
252b5132 RH |
4760 | if (ptype != NULL) |
4761 | *ptype = debug_make_const_type (minfo->dhandle, *ptype); | |
4762 | break; | |
4763 | ||
4764 | case 'Q': | |
4765 | { | |
4766 | const char *hold; | |
4767 | ||
4768 | hold = *pp; | |
4769 | if (! stab_demangle_qualified (minfo, pp, ptype)) | |
b34976b6 | 4770 | return FALSE; |
252b5132 RH |
4771 | } |
4772 | break; | |
4773 | ||
4774 | default: | |
4775 | if (! stab_demangle_fund_type (minfo, pp, ptype)) | |
b34976b6 | 4776 | return FALSE; |
252b5132 RH |
4777 | break; |
4778 | } | |
4779 | ||
b34976b6 | 4780 | return TRUE; |
252b5132 RH |
4781 | } |
4782 | ||
4783 | /* Demangle a fundamental type. If the ptype argument is not NULL, | |
4784 | *ptype is set to the newly allocated type. */ | |
4785 | ||
b34976b6 | 4786 | static bfd_boolean |
2da42df6 AJ |
4787 | stab_demangle_fund_type (struct stab_demangle_info *minfo, const char **pp, |
4788 | debug_type *ptype) | |
252b5132 RH |
4789 | { |
4790 | const char *orig; | |
b34976b6 AM |
4791 | bfd_boolean constp, volatilep, unsignedp, signedp; |
4792 | bfd_boolean done; | |
252b5132 RH |
4793 | |
4794 | orig = *pp; | |
4795 | ||
b34976b6 AM |
4796 | constp = FALSE; |
4797 | volatilep = FALSE; | |
4798 | unsignedp = FALSE; | |
4799 | signedp = FALSE; | |
252b5132 | 4800 | |
b34976b6 | 4801 | done = FALSE; |
252b5132 RH |
4802 | while (! done) |
4803 | { | |
4804 | switch (**pp) | |
4805 | { | |
4806 | case 'C': | |
b34976b6 | 4807 | constp = TRUE; |
252b5132 RH |
4808 | ++*pp; |
4809 | break; | |
4810 | ||
4811 | case 'U': | |
b34976b6 | 4812 | unsignedp = TRUE; |
252b5132 RH |
4813 | ++*pp; |
4814 | break; | |
4815 | ||
4816 | case 'S': | |
b34976b6 | 4817 | signedp = TRUE; |
252b5132 RH |
4818 | ++*pp; |
4819 | break; | |
4820 | ||
4821 | case 'V': | |
b34976b6 | 4822 | volatilep = TRUE; |
252b5132 RH |
4823 | ++*pp; |
4824 | break; | |
4825 | ||
4826 | default: | |
b34976b6 | 4827 | done = TRUE; |
252b5132 RH |
4828 | break; |
4829 | } | |
4830 | } | |
4831 | ||
4832 | switch (**pp) | |
4833 | { | |
4834 | case '\0': | |
4835 | case '_': | |
4836 | /* cplus_demangle permits this, but I don't know what it means. */ | |
4837 | stab_bad_demangle (orig); | |
4838 | break; | |
4839 | ||
4840 | case 'v': /* void */ | |
4841 | if (ptype != NULL) | |
4842 | { | |
4843 | *ptype = debug_find_named_type (minfo->dhandle, "void"); | |
4844 | if (*ptype == DEBUG_TYPE_NULL) | |
4845 | *ptype = debug_make_void_type (minfo->dhandle); | |
4846 | } | |
4847 | ++*pp; | |
4848 | break; | |
4849 | ||
4850 | case 'x': /* long long */ | |
4851 | if (ptype != NULL) | |
4852 | { | |
4853 | *ptype = debug_find_named_type (minfo->dhandle, | |
4854 | (unsignedp | |
4855 | ? "long long unsigned int" | |
4856 | : "long long int")); | |
4857 | if (*ptype == DEBUG_TYPE_NULL) | |
4858 | *ptype = debug_make_int_type (minfo->dhandle, 8, unsignedp); | |
4859 | } | |
4860 | ++*pp; | |
4861 | break; | |
4862 | ||
4863 | case 'l': /* long */ | |
4864 | if (ptype != NULL) | |
4865 | { | |
4866 | *ptype = debug_find_named_type (minfo->dhandle, | |
4867 | (unsignedp | |
4868 | ? "long unsigned int" | |
4869 | : "long int")); | |
4870 | if (*ptype == DEBUG_TYPE_NULL) | |
4871 | *ptype = debug_make_int_type (minfo->dhandle, 4, unsignedp); | |
4872 | } | |
4873 | ++*pp; | |
4874 | break; | |
4875 | ||
4876 | case 'i': /* int */ | |
4877 | if (ptype != NULL) | |
4878 | { | |
4879 | *ptype = debug_find_named_type (minfo->dhandle, | |
4880 | (unsignedp | |
4881 | ? "unsigned int" | |
4882 | : "int")); | |
4883 | if (*ptype == DEBUG_TYPE_NULL) | |
4884 | *ptype = debug_make_int_type (minfo->dhandle, 4, unsignedp); | |
4885 | } | |
4886 | ++*pp; | |
4887 | break; | |
4888 | ||
4889 | case 's': /* short */ | |
4890 | if (ptype != NULL) | |
4891 | { | |
4892 | *ptype = debug_find_named_type (minfo->dhandle, | |
4893 | (unsignedp | |
4894 | ? "short unsigned int" | |
4895 | : "short int")); | |
4896 | if (*ptype == DEBUG_TYPE_NULL) | |
4897 | *ptype = debug_make_int_type (minfo->dhandle, 2, unsignedp); | |
4898 | } | |
4899 | ++*pp; | |
4900 | break; | |
4901 | ||
4902 | case 'b': /* bool */ | |
4903 | if (ptype != NULL) | |
4904 | { | |
4905 | *ptype = debug_find_named_type (minfo->dhandle, "bool"); | |
4906 | if (*ptype == DEBUG_TYPE_NULL) | |
4907 | *ptype = debug_make_bool_type (minfo->dhandle, 4); | |
4908 | } | |
4909 | ++*pp; | |
4910 | break; | |
4911 | ||
4912 | case 'c': /* char */ | |
4913 | if (ptype != NULL) | |
4914 | { | |
4915 | *ptype = debug_find_named_type (minfo->dhandle, | |
4916 | (unsignedp | |
4917 | ? "unsigned char" | |
4918 | : (signedp | |
4919 | ? "signed char" | |
4920 | : "char"))); | |
4921 | if (*ptype == DEBUG_TYPE_NULL) | |
4922 | *ptype = debug_make_int_type (minfo->dhandle, 1, unsignedp); | |
4923 | } | |
4924 | ++*pp; | |
4925 | break; | |
4926 | ||
4927 | case 'w': /* wchar_t */ | |
4928 | if (ptype != NULL) | |
4929 | { | |
4930 | *ptype = debug_find_named_type (minfo->dhandle, "__wchar_t"); | |
4931 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 4932 | *ptype = debug_make_int_type (minfo->dhandle, 2, TRUE); |
252b5132 RH |
4933 | } |
4934 | ++*pp; | |
4935 | break; | |
4936 | ||
4937 | case 'r': /* long double */ | |
4938 | if (ptype != NULL) | |
4939 | { | |
4940 | *ptype = debug_find_named_type (minfo->dhandle, "long double"); | |
4941 | if (*ptype == DEBUG_TYPE_NULL) | |
4942 | *ptype = debug_make_float_type (minfo->dhandle, 8); | |
4943 | } | |
4944 | ++*pp; | |
4945 | break; | |
4946 | ||
4947 | case 'd': /* double */ | |
4948 | if (ptype != NULL) | |
4949 | { | |
4950 | *ptype = debug_find_named_type (minfo->dhandle, "double"); | |
4951 | if (*ptype == DEBUG_TYPE_NULL) | |
4952 | *ptype = debug_make_float_type (minfo->dhandle, 8); | |
4953 | } | |
4954 | ++*pp; | |
4955 | break; | |
4956 | ||
4957 | case 'f': /* float */ | |
4958 | if (ptype != NULL) | |
4959 | { | |
4960 | *ptype = debug_find_named_type (minfo->dhandle, "float"); | |
4961 | if (*ptype == DEBUG_TYPE_NULL) | |
4962 | *ptype = debug_make_float_type (minfo->dhandle, 4); | |
4963 | } | |
4964 | ++*pp; | |
4965 | break; | |
4966 | ||
4967 | case 'G': | |
4968 | ++*pp; | |
3882b010 | 4969 | if (! ISDIGIT (**pp)) |
252b5132 RH |
4970 | { |
4971 | stab_bad_demangle (orig); | |
b34976b6 | 4972 | return FALSE; |
252b5132 RH |
4973 | } |
4974 | /* Fall through. */ | |
4975 | case '0': case '1': case '2': case '3': case '4': | |
4976 | case '5': case '6': case '7': case '8': case '9': | |
4977 | { | |
4978 | const char *hold; | |
4979 | ||
4980 | if (! stab_demangle_class (minfo, pp, &hold)) | |
b34976b6 | 4981 | return FALSE; |
252b5132 RH |
4982 | if (ptype != NULL) |
4983 | { | |
4984 | char *name; | |
4985 | ||
4986 | name = savestring (hold, *pp - hold); | |
4987 | *ptype = debug_find_named_type (minfo->dhandle, name); | |
4988 | free (name); | |
4989 | if (*ptype == DEBUG_TYPE_NULL) | |
4990 | { | |
4991 | /* FIXME: It is probably incorrect to assume that | |
4992 | undefined types are tagged types. */ | |
4993 | *ptype = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
4994 | hold, *pp - hold, | |
4995 | DEBUG_KIND_ILLEGAL); | |
4996 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 4997 | return FALSE; |
252b5132 RH |
4998 | } |
4999 | } | |
5000 | } | |
5001 | break; | |
5002 | ||
5003 | case 't': | |
5004 | { | |
5005 | char *name; | |
5006 | ||
5007 | if (! stab_demangle_template (minfo, pp, | |
5008 | ptype != NULL ? &name : NULL)) | |
b34976b6 | 5009 | return FALSE; |
252b5132 RH |
5010 | if (ptype != NULL) |
5011 | { | |
5012 | *ptype = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
5013 | name, strlen (name), | |
5014 | DEBUG_KIND_CLASS); | |
5015 | free (name); | |
5016 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 5017 | return FALSE; |
252b5132 RH |
5018 | } |
5019 | } | |
5020 | break; | |
5021 | ||
5022 | default: | |
5023 | stab_bad_demangle (orig); | |
b34976b6 | 5024 | return FALSE; |
252b5132 RH |
5025 | } |
5026 | ||
5027 | if (ptype != NULL) | |
5028 | { | |
5029 | if (constp) | |
5030 | *ptype = debug_make_const_type (minfo->dhandle, *ptype); | |
5031 | if (volatilep) | |
5032 | *ptype = debug_make_volatile_type (minfo->dhandle, *ptype); | |
5033 | } | |
5034 | ||
b34976b6 | 5035 | return TRUE; |
252b5132 RH |
5036 | } |
5037 | ||
5038 | /* Remember a type string in a demangled string. */ | |
5039 | ||
b34976b6 | 5040 | static bfd_boolean |
2da42df6 AJ |
5041 | stab_demangle_remember_type (struct stab_demangle_info *minfo, |
5042 | const char *p, int len) | |
252b5132 RH |
5043 | { |
5044 | if (minfo->typestring_count >= minfo->typestring_alloc) | |
5045 | { | |
5046 | minfo->typestring_alloc += 10; | |
5047 | minfo->typestrings = ((struct stab_demangle_typestring *) | |
5048 | xrealloc (minfo->typestrings, | |
5049 | (minfo->typestring_alloc | |
5050 | * sizeof *minfo->typestrings))); | |
5051 | } | |
5052 | ||
5053 | minfo->typestrings[minfo->typestring_count].typestring = p; | |
5054 | minfo->typestrings[minfo->typestring_count].len = (unsigned int) len; | |
5055 | ++minfo->typestring_count; | |
5056 | ||
b34976b6 | 5057 | return TRUE; |
252b5132 | 5058 | } |
041821e6 ILT |
5059 | \f |
5060 | /* Demangle names encoded using the g++ V3 ABI. The newer versions of | |
5061 | g++ which use this ABI do not encode ordinary method argument types | |
5062 | in a mangled name; they simply output the argument types. However, | |
5063 | for a static method, g++ simply outputs the return type and the | |
5064 | physical name. So in that case we need to demangle the name here. | |
5065 | Here PHYSNAME is the physical name of the function, and we set the | |
5066 | variable pointed at by PVARARGS to indicate whether this function | |
5067 | is varargs. This returns NULL, or a NULL terminated array of | |
5068 | argument types. */ | |
5069 | ||
5070 | static debug_type * | |
5071 | stab_demangle_v3_argtypes (void *dhandle, struct stab_handle *info, | |
5072 | const char *physname, bfd_boolean *pvarargs) | |
5073 | { | |
5074 | struct demangle_component *dc; | |
5075 | void *mem; | |
5076 | unsigned int alloc, count; | |
5077 | debug_type *pargs; | |
5078 | ||
5079 | dc = cplus_demangle_v3_components (physname, DMGL_PARAMS | DMGL_ANSI, &mem); | |
5080 | if (dc == NULL) | |
5081 | { | |
5082 | stab_bad_demangle (physname); | |
5083 | return NULL; | |
5084 | } | |
5085 | ||
5086 | /* We expect to see TYPED_NAME, and the right subtree describes the | |
5087 | function type. */ | |
5088 | if (dc->type != DEMANGLE_COMPONENT_TYPED_NAME | |
5089 | || dc->u.s_binary.right->type != DEMANGLE_COMPONENT_FUNCTION_TYPE) | |
5090 | { | |
5091 | fprintf (stderr, _("Demangled name is not a function\n")); | |
5092 | free (mem); | |
5093 | return NULL; | |
5094 | } | |
5095 | ||
5096 | alloc = 10; | |
5097 | pargs = (debug_type *) xmalloc (alloc * sizeof *pargs); | |
5098 | *pvarargs = FALSE; | |
5099 | ||
5100 | count = 0; | |
5101 | ||
5102 | for (dc = dc->u.s_binary.right->u.s_binary.right; | |
5103 | dc != NULL; | |
5104 | dc = dc->u.s_binary.right) | |
5105 | { | |
5106 | debug_type arg; | |
5107 | bfd_boolean varargs; | |
5108 | ||
5109 | if (dc->type != DEMANGLE_COMPONENT_ARGLIST) | |
5110 | { | |
5111 | fprintf (stderr, _("Unexpected type in demangle tree\n")); | |
5112 | free (mem); | |
5113 | return NULL; | |
5114 | } | |
5115 | ||
5116 | arg = stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.left, | |
5117 | NULL, &varargs); | |
5118 | if (arg == NULL) | |
5119 | { | |
5120 | if (varargs) | |
5121 | { | |
5122 | *pvarargs = TRUE; | |
5123 | continue; | |
5124 | } | |
5125 | free (mem); | |
5126 | return NULL; | |
5127 | } | |
5128 | ||
5129 | if (count + 1 >= alloc) | |
5130 | { | |
5131 | alloc += 10; | |
5132 | pargs = (debug_type *) xrealloc (pargs, alloc * sizeof *pargs); | |
5133 | } | |
5134 | ||
5135 | pargs[count] = arg; | |
5136 | ++count; | |
5137 | } | |
5138 | ||
5139 | pargs[count] = DEBUG_TYPE_NULL; | |
5140 | ||
5141 | free (mem); | |
5142 | ||
5143 | return pargs; | |
5144 | } | |
5145 | ||
5146 | /* Convert a struct demangle_component tree describing an argument | |
5147 | type into a debug_type. */ | |
5148 | ||
5149 | static debug_type | |
5150 | stab_demangle_v3_arg (void *dhandle, struct stab_handle *info, | |
5151 | struct demangle_component *dc, debug_type context, | |
5152 | bfd_boolean *pvarargs) | |
5153 | { | |
5154 | debug_type dt; | |
5155 | ||
5156 | if (pvarargs != NULL) | |
5157 | *pvarargs = FALSE; | |
5158 | ||
5159 | switch (dc->type) | |
5160 | { | |
5161 | /* FIXME: These are demangle component types which we probably | |
5162 | need to handle one way or another. */ | |
5163 | case DEMANGLE_COMPONENT_LOCAL_NAME: | |
5164 | case DEMANGLE_COMPONENT_TYPED_NAME: | |
5165 | case DEMANGLE_COMPONENT_TEMPLATE_PARAM: | |
5166 | case DEMANGLE_COMPONENT_CTOR: | |
5167 | case DEMANGLE_COMPONENT_DTOR: | |
5168 | case DEMANGLE_COMPONENT_JAVA_CLASS: | |
5169 | case DEMANGLE_COMPONENT_RESTRICT_THIS: | |
5170 | case DEMANGLE_COMPONENT_VOLATILE_THIS: | |
5171 | case DEMANGLE_COMPONENT_CONST_THIS: | |
5172 | case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL: | |
5173 | case DEMANGLE_COMPONENT_COMPLEX: | |
5174 | case DEMANGLE_COMPONENT_IMAGINARY: | |
5175 | case DEMANGLE_COMPONENT_VENDOR_TYPE: | |
5176 | case DEMANGLE_COMPONENT_FUNCTION_TYPE: | |
5177 | case DEMANGLE_COMPONENT_ARRAY_TYPE: | |
5178 | case DEMANGLE_COMPONENT_PTRMEM_TYPE: | |
5179 | case DEMANGLE_COMPONENT_ARGLIST: | |
5180 | default: | |
5181 | fprintf (stderr, _("Unrecognized demangle component\n")); | |
5182 | return NULL; | |
5183 | ||
5184 | case DEMANGLE_COMPONENT_NAME: | |
5185 | if (context != NULL) | |
5186 | { | |
5187 | const debug_field *fields; | |
5188 | ||
5189 | fields = debug_get_fields (dhandle, context); | |
5190 | if (fields != NULL) | |
5191 | { | |
5192 | /* Try to find this type by looking through the context | |
5193 | class. */ | |
5194 | for (; *fields != DEBUG_FIELD_NULL; fields++) | |
5195 | { | |
5196 | debug_type ft; | |
5197 | const char *dn; | |
5198 | ||
5199 | ft = debug_get_field_type (dhandle, *fields); | |
5200 | if (ft == NULL) | |
5201 | return NULL; | |
5202 | dn = debug_get_type_name (dhandle, ft); | |
5203 | if (dn != NULL | |
5204 | && (int) strlen (dn) == dc->u.s_name.len | |
5205 | && strncmp (dn, dc->u.s_name.s, dc->u.s_name.len) == 0) | |
5206 | return ft; | |
5207 | } | |
5208 | } | |
5209 | } | |
5210 | return stab_find_tagged_type (dhandle, info, dc->u.s_name.s, | |
5211 | dc->u.s_name.len, DEBUG_KIND_ILLEGAL); | |
5212 | ||
5213 | case DEMANGLE_COMPONENT_QUAL_NAME: | |
5214 | context = stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.left, | |
5215 | context, NULL); | |
5216 | if (context == NULL) | |
5217 | return NULL; | |
5218 | return stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.right, | |
5219 | context, NULL); | |
5220 | ||
5221 | case DEMANGLE_COMPONENT_TEMPLATE: | |
5222 | { | |
5223 | char *p; | |
5224 | size_t alc; | |
5225 | ||
5226 | /* We print this component to get a class name which we can | |
5227 | use. FIXME: This probably won't work if the template uses | |
5228 | template parameters which refer to an outer template. */ | |
5229 | p = cplus_demangle_print (DMGL_PARAMS | DMGL_ANSI, dc, 20, &alc); | |
5230 | if (p == NULL) | |
5231 | { | |
5232 | fprintf (stderr, _("Failed to print demangled template\n")); | |
5233 | return NULL; | |
5234 | } | |
5235 | dt = stab_find_tagged_type (dhandle, info, p, strlen (p), | |
5236 | DEBUG_KIND_CLASS); | |
5237 | free (p); | |
5238 | return dt; | |
5239 | } | |
5240 | ||
5241 | case DEMANGLE_COMPONENT_SUB_STD: | |
5242 | return stab_find_tagged_type (dhandle, info, dc->u.s_string.string, | |
5243 | dc->u.s_string.len, DEBUG_KIND_ILLEGAL); | |
5244 | ||
5245 | case DEMANGLE_COMPONENT_RESTRICT: | |
5246 | case DEMANGLE_COMPONENT_VOLATILE: | |
5247 | case DEMANGLE_COMPONENT_CONST: | |
5248 | case DEMANGLE_COMPONENT_POINTER: | |
5249 | case DEMANGLE_COMPONENT_REFERENCE: | |
5250 | dt = stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.left, NULL, | |
5251 | NULL); | |
5252 | if (dt == NULL) | |
5253 | return NULL; | |
5254 | ||
5255 | switch (dc->type) | |
5256 | { | |
5257 | default: | |
5258 | abort (); | |
5259 | case DEMANGLE_COMPONENT_RESTRICT: | |
5260 | /* FIXME: We have no way to represent restrict. */ | |
5261 | return dt; | |
5262 | case DEMANGLE_COMPONENT_VOLATILE: | |
5263 | return debug_make_volatile_type (dhandle, dt); | |
5264 | case DEMANGLE_COMPONENT_CONST: | |
5265 | return debug_make_const_type (dhandle, dt); | |
5266 | case DEMANGLE_COMPONENT_POINTER: | |
5267 | return debug_make_pointer_type (dhandle, dt); | |
5268 | case DEMANGLE_COMPONENT_REFERENCE: | |
5269 | return debug_make_reference_type (dhandle, dt); | |
5270 | } | |
5271 | ||
5272 | case DEMANGLE_COMPONENT_BUILTIN_TYPE: | |
5273 | { | |
5274 | char *p; | |
5275 | size_t alc; | |
5276 | debug_type ret; | |
5277 | ||
5278 | /* We print this component in order to find out the type name. | |
5279 | FIXME: Should we instead expose the | |
5280 | demangle_builtin_type_info structure? */ | |
5281 | p = cplus_demangle_print (DMGL_PARAMS | DMGL_ANSI, dc, 20, &alc); | |
5282 | if (p == NULL) | |
5283 | { | |
5284 | fprintf (stderr, _("Couldn't get demangled builtin type\n")); | |
5285 | return NULL; | |
5286 | } | |
5287 | ||
5288 | /* The mangling is based on the type, but does not itself | |
5289 | indicate what the sizes are. So we have to guess. */ | |
5290 | if (strcmp (p, "signed char") == 0) | |
5291 | ret = debug_make_int_type (dhandle, 1, FALSE); | |
5292 | else if (strcmp (p, "bool") == 0) | |
5293 | ret = debug_make_bool_type (dhandle, 1); | |
5294 | else if (strcmp (p, "char") == 0) | |
5295 | ret = debug_make_int_type (dhandle, 1, FALSE); | |
5296 | else if (strcmp (p, "double") == 0) | |
5297 | ret = debug_make_float_type (dhandle, 8); | |
5298 | else if (strcmp (p, "long double") == 0) | |
5299 | ret = debug_make_float_type (dhandle, 8); | |
5300 | else if (strcmp (p, "float") == 0) | |
5301 | ret = debug_make_float_type (dhandle, 4); | |
5302 | else if (strcmp (p, "__float128") == 0) | |
5303 | ret = debug_make_float_type (dhandle, 16); | |
5304 | else if (strcmp (p, "unsigned char") == 0) | |
5305 | ret = debug_make_int_type (dhandle, 1, TRUE); | |
5306 | else if (strcmp (p, "int") == 0) | |
5307 | ret = debug_make_int_type (dhandle, 4, FALSE); | |
5308 | else if (strcmp (p, "unsigned int") == 0) | |
5309 | ret = debug_make_int_type (dhandle, 4, TRUE); | |
5310 | else if (strcmp (p, "long") == 0) | |
5311 | ret = debug_make_int_type (dhandle, 4, FALSE); | |
5312 | else if (strcmp (p, "unsigned long") == 0) | |
5313 | ret = debug_make_int_type (dhandle, 4, TRUE); | |
5314 | else if (strcmp (p, "__int128") == 0) | |
5315 | ret = debug_make_int_type (dhandle, 16, FALSE); | |
5316 | else if (strcmp (p, "unsigned __int128") == 0) | |
5317 | ret = debug_make_int_type (dhandle, 16, TRUE); | |
5318 | else if (strcmp (p, "short") == 0) | |
5319 | ret = debug_make_int_type (dhandle, 2, FALSE); | |
5320 | else if (strcmp (p, "unsigned short") == 0) | |
5321 | ret = debug_make_int_type (dhandle, 2, TRUE); | |
5322 | else if (strcmp (p, "void") == 0) | |
5323 | ret = debug_make_void_type (dhandle); | |
5324 | else if (strcmp (p, "wchar_t") == 0) | |
5325 | ret = debug_make_int_type (dhandle, 4, TRUE); | |
5326 | else if (strcmp (p, "long long") == 0) | |
5327 | ret = debug_make_int_type (dhandle, 8, FALSE); | |
5328 | else if (strcmp (p, "unsigned long long") == 0) | |
5329 | ret = debug_make_int_type (dhandle, 8, TRUE); | |
5330 | else if (strcmp (p, "...") == 0) | |
5331 | { | |
5332 | if (pvarargs == NULL) | |
5333 | fprintf (stderr, _("Unexpected demangled varargs\n")); | |
5334 | else | |
5335 | *pvarargs = TRUE; | |
5336 | ret = NULL; | |
5337 | } | |
5338 | else | |
5339 | { | |
5340 | fprintf (stderr, _("Unrecognized demangled builtin type\n")); | |
5341 | ret = NULL; | |
5342 | } | |
5343 | ||
5344 | free (p); | |
5345 | ||
5346 | return ret; | |
5347 | } | |
5348 | } | |
5349 | } |