Commit | Line | Data |
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252b5132 | 1 | /* stabs.c -- Parse stabs debugging information |
2571583a | 2 | Copyright (C) 1995-2017 Free Software Foundation, Inc. |
252b5132 RH |
3 | Written by Ian Lance Taylor <ian@cygnus.com>. |
4 | ||
5 | This file is part of GNU Binutils. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
32866df7 | 9 | the Free Software Foundation; either version 3 of the License, or |
252b5132 RH |
10 | (at your option) any later version. |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
b43b5d5f NC |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA |
20 | 02110-1301, USA. */ | |
252b5132 RH |
21 | |
22 | /* This file contains code which parses stabs debugging information. | |
23 | The organization of this code is based on the gdb stabs reading | |
24 | code. The job it does is somewhat different, because it is not | |
25 | trying to identify the correct address for anything. */ | |
26 | ||
3db64b00 | 27 | #include "sysdep.h" |
252b5132 | 28 | #include "bfd.h" |
252b5132 | 29 | #include "libiberty.h" |
3882b010 | 30 | #include "safe-ctype.h" |
252b5132 RH |
31 | #include "demangle.h" |
32 | #include "debug.h" | |
33 | #include "budbg.h" | |
8855cbca | 34 | #include "filenames.h" |
252b5132 RH |
35 | #include "aout/aout64.h" |
36 | #include "aout/stab_gnu.h" | |
37 | ||
252b5132 RH |
38 | /* The number of predefined XCOFF types. */ |
39 | ||
40 | #define XCOFF_TYPE_COUNT 34 | |
41 | ||
42 | /* This structure is used as a handle so that the stab parsing doesn't | |
43 | need to use any static variables. */ | |
44 | ||
45 | struct stab_handle | |
46 | { | |
47 | /* The BFD. */ | |
48 | bfd *abfd; | |
b34976b6 AM |
49 | /* TRUE if this is stabs in sections. */ |
50 | bfd_boolean sections; | |
252b5132 RH |
51 | /* The symbol table. */ |
52 | asymbol **syms; | |
53 | /* The number of symbols. */ | |
54 | long symcount; | |
55 | /* The accumulated file name string. */ | |
56 | char *so_string; | |
57 | /* The value of the last N_SO symbol. */ | |
58 | bfd_vma so_value; | |
59 | /* The value of the start of the file, so that we can handle file | |
60 | relative N_LBRAC and N_RBRAC symbols. */ | |
61 | bfd_vma file_start_offset; | |
62 | /* The offset of the start of the function, so that we can handle | |
63 | function relative N_LBRAC and N_RBRAC symbols. */ | |
64 | bfd_vma function_start_offset; | |
65 | /* The version number of gcc which compiled the current compilation | |
66 | unit, 0 if not compiled by gcc. */ | |
67 | int gcc_compiled; | |
68 | /* Whether an N_OPT symbol was seen that was not generated by gcc, | |
69 | so that we can detect the SunPRO compiler. */ | |
b34976b6 | 70 | bfd_boolean n_opt_found; |
252b5132 RH |
71 | /* The main file name. */ |
72 | char *main_filename; | |
73 | /* A stack of unfinished N_BINCL files. */ | |
74 | struct bincl_file *bincl_stack; | |
75 | /* A list of finished N_BINCL files. */ | |
76 | struct bincl_file *bincl_list; | |
77 | /* Whether we are inside a function or not. */ | |
b34976b6 | 78 | bfd_boolean within_function; |
252b5132 RH |
79 | /* The address of the end of the function, used if we have seen an |
80 | N_FUN symbol while in a function. This is -1 if we have not seen | |
81 | an N_FUN (the normal case). */ | |
82 | bfd_vma function_end; | |
83 | /* The depth of block nesting. */ | |
84 | int block_depth; | |
85 | /* List of pending variable definitions. */ | |
86 | struct stab_pending_var *pending; | |
87 | /* Number of files for which we have types. */ | |
88 | unsigned int files; | |
89 | /* Lists of types per file. */ | |
90 | struct stab_types **file_types; | |
91 | /* Predefined XCOFF types. */ | |
92 | debug_type xcoff_types[XCOFF_TYPE_COUNT]; | |
93 | /* Undefined tags. */ | |
94 | struct stab_tag *tags; | |
95 | /* Set by parse_stab_type if it sees a structure defined as a cross | |
96 | reference to itself. Reset by parse_stab_type otherwise. */ | |
b34976b6 | 97 | bfd_boolean self_crossref; |
252b5132 RH |
98 | }; |
99 | ||
100 | /* A list of these structures is used to hold pending variable | |
101 | definitions seen before the N_LBRAC of a block. */ | |
102 | ||
103 | struct stab_pending_var | |
104 | { | |
105 | /* Next pending variable definition. */ | |
106 | struct stab_pending_var *next; | |
107 | /* Name. */ | |
108 | const char *name; | |
109 | /* Type. */ | |
110 | debug_type type; | |
111 | /* Kind. */ | |
112 | enum debug_var_kind kind; | |
113 | /* Value. */ | |
114 | bfd_vma val; | |
115 | }; | |
116 | ||
117 | /* A list of these structures is used to hold the types for a single | |
118 | file. */ | |
119 | ||
120 | struct stab_types | |
121 | { | |
122 | /* Next set of slots for this file. */ | |
123 | struct stab_types *next; | |
124 | /* Types indexed by type number. */ | |
125 | #define STAB_TYPES_SLOTS (16) | |
126 | debug_type types[STAB_TYPES_SLOTS]; | |
127 | }; | |
128 | ||
129 | /* We keep a list of undefined tags that we encounter, so that we can | |
130 | fill them in if the tag is later defined. */ | |
131 | ||
132 | struct stab_tag | |
133 | { | |
134 | /* Next undefined tag. */ | |
135 | struct stab_tag *next; | |
136 | /* Tag name. */ | |
137 | const char *name; | |
138 | /* Type kind. */ | |
139 | enum debug_type_kind kind; | |
140 | /* Slot to hold real type when we discover it. If we don't, we fill | |
141 | in an undefined tag type. */ | |
142 | debug_type slot; | |
143 | /* Indirect type we have created to point at slot. */ | |
144 | debug_type type; | |
145 | }; | |
146 | ||
2da42df6 AJ |
147 | static char *savestring (const char *, int); |
148 | static bfd_vma parse_number (const char **, bfd_boolean *); | |
149 | static void bad_stab (const char *); | |
150 | static void warn_stab (const char *, const char *); | |
b34976b6 | 151 | static bfd_boolean parse_stab_string |
2da42df6 | 152 | (void *, struct stab_handle *, int, int, bfd_vma, const char *); |
252b5132 | 153 | static debug_type parse_stab_type |
2da42df6 AJ |
154 | (void *, struct stab_handle *, const char *, const char **, debug_type **); |
155 | static bfd_boolean parse_stab_type_number (const char **, int *); | |
252b5132 | 156 | static debug_type parse_stab_range_type |
2da42df6 AJ |
157 | (void *, struct stab_handle *, const char *, const char **, const int *); |
158 | static debug_type parse_stab_sun_builtin_type (void *, const char **); | |
159 | static debug_type parse_stab_sun_floating_type (void *, const char **); | |
160 | static debug_type parse_stab_enum_type (void *, const char **); | |
252b5132 | 161 | static debug_type parse_stab_struct_type |
2da42df6 AJ |
162 | (void *, struct stab_handle *, const char *, const char **, |
163 | bfd_boolean, const int *); | |
b34976b6 | 164 | static bfd_boolean parse_stab_baseclasses |
2da42df6 | 165 | (void *, struct stab_handle *, const char **, debug_baseclass **); |
b34976b6 | 166 | static bfd_boolean parse_stab_struct_fields |
2da42df6 | 167 | (void *, struct stab_handle *, const char **, debug_field **, bfd_boolean *); |
b34976b6 | 168 | static bfd_boolean parse_stab_cpp_abbrev |
2da42df6 | 169 | (void *, struct stab_handle *, const char **, debug_field *); |
b34976b6 | 170 | static bfd_boolean parse_stab_one_struct_field |
2da42df6 AJ |
171 | (void *, struct stab_handle *, const char **, const char *, |
172 | debug_field *, bfd_boolean *); | |
b34976b6 | 173 | static bfd_boolean parse_stab_members |
2da42df6 AJ |
174 | (void *, struct stab_handle *, const char *, const char **, const int *, |
175 | debug_method **); | |
252b5132 | 176 | static debug_type parse_stab_argtypes |
2da42df6 AJ |
177 | (void *, struct stab_handle *, debug_type, const char *, const char *, |
178 | debug_type, const char *, bfd_boolean, bfd_boolean, const char **); | |
b34976b6 | 179 | static bfd_boolean parse_stab_tilde_field |
2da42df6 AJ |
180 | (void *, struct stab_handle *, const char **, const int *, debug_type *, |
181 | bfd_boolean *); | |
252b5132 | 182 | static debug_type parse_stab_array_type |
2da42df6 AJ |
183 | (void *, struct stab_handle *, const char **, bfd_boolean); |
184 | static void push_bincl (struct stab_handle *, const char *, bfd_vma); | |
185 | static const char *pop_bincl (struct stab_handle *); | |
186 | static bfd_boolean find_excl (struct stab_handle *, const char *, bfd_vma); | |
b34976b6 | 187 | static bfd_boolean stab_record_variable |
2da42df6 AJ |
188 | (void *, struct stab_handle *, const char *, debug_type, |
189 | enum debug_var_kind, bfd_vma); | |
190 | static bfd_boolean stab_emit_pending_vars (void *, struct stab_handle *); | |
191 | static debug_type *stab_find_slot (struct stab_handle *, const int *); | |
192 | static debug_type stab_find_type (void *, struct stab_handle *, const int *); | |
b34976b6 | 193 | static bfd_boolean stab_record_type |
2da42df6 | 194 | (void *, struct stab_handle *, const int *, debug_type); |
252b5132 | 195 | static debug_type stab_xcoff_builtin_type |
2da42df6 | 196 | (void *, struct stab_handle *, int); |
252b5132 | 197 | static debug_type stab_find_tagged_type |
2da42df6 | 198 | (void *, struct stab_handle *, const char *, int, enum debug_type_kind); |
252b5132 | 199 | static debug_type *stab_demangle_argtypes |
2da42df6 | 200 | (void *, struct stab_handle *, const char *, bfd_boolean *, unsigned int); |
041821e6 ILT |
201 | static debug_type *stab_demangle_v3_argtypes |
202 | (void *, struct stab_handle *, const char *, bfd_boolean *); | |
2b4c4cc4 ILT |
203 | static debug_type *stab_demangle_v3_arglist |
204 | (void *, struct stab_handle *, struct demangle_component *, bfd_boolean *); | |
041821e6 ILT |
205 | static debug_type stab_demangle_v3_arg |
206 | (void *, struct stab_handle *, struct demangle_component *, debug_type, | |
207 | bfd_boolean *); | |
252b5132 RH |
208 | |
209 | /* Save a string in memory. */ | |
210 | ||
211 | static char * | |
2da42df6 | 212 | savestring (const char *start, int len) |
252b5132 RH |
213 | { |
214 | char *ret; | |
215 | ||
216 | ret = (char *) xmalloc (len + 1); | |
217 | memcpy (ret, start, len); | |
218 | ret[len] = '\0'; | |
219 | return ret; | |
220 | } | |
221 | ||
222 | /* Read a number from a string. */ | |
223 | ||
224 | static bfd_vma | |
2da42df6 | 225 | parse_number (const char **pp, bfd_boolean *poverflow) |
252b5132 RH |
226 | { |
227 | unsigned long ul; | |
228 | const char *orig; | |
229 | ||
230 | if (poverflow != NULL) | |
b34976b6 | 231 | *poverflow = FALSE; |
252b5132 RH |
232 | |
233 | orig = *pp; | |
234 | ||
235 | errno = 0; | |
236 | ul = strtoul (*pp, (char **) pp, 0); | |
237 | if (ul + 1 != 0 || errno == 0) | |
238 | { | |
239 | /* If bfd_vma is larger than unsigned long, and the number is | |
240 | meant to be negative, we have to make sure that we sign | |
241 | extend properly. */ | |
242 | if (*orig == '-') | |
243 | return (bfd_vma) (bfd_signed_vma) (long) ul; | |
244 | return (bfd_vma) ul; | |
245 | } | |
246 | ||
247 | /* Note that even though strtoul overflowed, it should have set *pp | |
248 | to the end of the number, which is where we want it. */ | |
252b5132 RH |
249 | if (sizeof (bfd_vma) > sizeof (unsigned long)) |
250 | { | |
251 | const char *p; | |
b34976b6 | 252 | bfd_boolean neg; |
252b5132 RH |
253 | int base; |
254 | bfd_vma over, lastdig; | |
b34976b6 | 255 | bfd_boolean overflow; |
252b5132 RH |
256 | bfd_vma v; |
257 | ||
258 | /* Our own version of strtoul, for a bfd_vma. */ | |
252b5132 RH |
259 | p = orig; |
260 | ||
b34976b6 | 261 | neg = FALSE; |
252b5132 RH |
262 | if (*p == '+') |
263 | ++p; | |
264 | else if (*p == '-') | |
265 | { | |
b34976b6 | 266 | neg = TRUE; |
252b5132 RH |
267 | ++p; |
268 | } | |
269 | ||
270 | base = 10; | |
271 | if (*p == '0') | |
272 | { | |
273 | if (p[1] == 'x' || p[1] == 'X') | |
274 | { | |
275 | base = 16; | |
276 | p += 2; | |
277 | } | |
278 | else | |
279 | { | |
280 | base = 8; | |
281 | ++p; | |
282 | } | |
283 | } | |
284 | ||
285 | over = ((bfd_vma) (bfd_signed_vma) -1) / (bfd_vma) base; | |
286 | lastdig = ((bfd_vma) (bfd_signed_vma) -1) % (bfd_vma) base; | |
287 | ||
b34976b6 | 288 | overflow = FALSE; |
252b5132 RH |
289 | v = 0; |
290 | while (1) | |
291 | { | |
292 | int d; | |
293 | ||
294 | d = *p++; | |
3882b010 | 295 | if (ISDIGIT (d)) |
252b5132 | 296 | d -= '0'; |
3882b010 | 297 | else if (ISUPPER (d)) |
252b5132 | 298 | d -= 'A'; |
3882b010 | 299 | else if (ISLOWER (d)) |
252b5132 RH |
300 | d -= 'a'; |
301 | else | |
302 | break; | |
303 | ||
304 | if (d >= base) | |
305 | break; | |
306 | ||
307 | if (v > over || (v == over && (bfd_vma) d > lastdig)) | |
308 | { | |
b34976b6 | 309 | overflow = TRUE; |
252b5132 RH |
310 | break; |
311 | } | |
312 | } | |
313 | ||
314 | if (! overflow) | |
315 | { | |
316 | if (neg) | |
317 | v = - v; | |
318 | return v; | |
319 | } | |
320 | } | |
321 | ||
322 | /* If we get here, the number is too large to represent in a | |
323 | bfd_vma. */ | |
252b5132 | 324 | if (poverflow != NULL) |
b34976b6 | 325 | *poverflow = TRUE; |
252b5132 RH |
326 | else |
327 | warn_stab (orig, _("numeric overflow")); | |
328 | ||
329 | return 0; | |
330 | } | |
331 | ||
332 | /* Give an error for a bad stab string. */ | |
333 | ||
334 | static void | |
2da42df6 | 335 | bad_stab (const char *p) |
252b5132 RH |
336 | { |
337 | fprintf (stderr, _("Bad stab: %s\n"), p); | |
338 | } | |
339 | ||
340 | /* Warn about something in a stab string. */ | |
341 | ||
342 | static void | |
2da42df6 | 343 | warn_stab (const char *p, const char *err) |
252b5132 RH |
344 | { |
345 | fprintf (stderr, _("Warning: %s: %s\n"), err, p); | |
346 | } | |
347 | ||
348 | /* Create a handle to parse stabs symbols with. */ | |
349 | ||
2da42df6 AJ |
350 | void * |
351 | start_stab (void *dhandle ATTRIBUTE_UNUSED, bfd *abfd, bfd_boolean sections, | |
352 | asymbol **syms, long symcount) | |
252b5132 RH |
353 | { |
354 | struct stab_handle *ret; | |
355 | ||
356 | ret = (struct stab_handle *) xmalloc (sizeof *ret); | |
357 | memset (ret, 0, sizeof *ret); | |
358 | ret->abfd = abfd; | |
359 | ret->sections = sections; | |
360 | ret->syms = syms; | |
361 | ret->symcount = symcount; | |
362 | ret->files = 1; | |
363 | ret->file_types = (struct stab_types **) xmalloc (sizeof *ret->file_types); | |
364 | ret->file_types[0] = NULL; | |
365 | ret->function_end = (bfd_vma) -1; | |
2da42df6 | 366 | return (void *) ret; |
252b5132 RH |
367 | } |
368 | ||
369 | /* When we have processed all the stabs information, we need to go | |
370 | through and fill in all the undefined tags. */ | |
371 | ||
b34976b6 | 372 | bfd_boolean |
2da42df6 | 373 | finish_stab (void *dhandle, void *handle) |
252b5132 RH |
374 | { |
375 | struct stab_handle *info = (struct stab_handle *) handle; | |
376 | struct stab_tag *st; | |
377 | ||
378 | if (info->within_function) | |
379 | { | |
380 | if (! stab_emit_pending_vars (dhandle, info) | |
381 | || ! debug_end_function (dhandle, info->function_end)) | |
b34976b6 AM |
382 | return FALSE; |
383 | info->within_function = FALSE; | |
252b5132 RH |
384 | info->function_end = (bfd_vma) -1; |
385 | } | |
386 | ||
387 | for (st = info->tags; st != NULL; st = st->next) | |
388 | { | |
389 | enum debug_type_kind kind; | |
390 | ||
391 | kind = st->kind; | |
392 | if (kind == DEBUG_KIND_ILLEGAL) | |
393 | kind = DEBUG_KIND_STRUCT; | |
394 | st->slot = debug_make_undefined_tagged_type (dhandle, st->name, kind); | |
395 | if (st->slot == DEBUG_TYPE_NULL) | |
b34976b6 | 396 | return FALSE; |
252b5132 RH |
397 | } |
398 | ||
b34976b6 | 399 | return TRUE; |
252b5132 RH |
400 | } |
401 | ||
402 | /* Handle a single stabs symbol. */ | |
403 | ||
b34976b6 | 404 | bfd_boolean |
2da42df6 AJ |
405 | parse_stab (void *dhandle, void *handle, int type, int desc, bfd_vma value, |
406 | const char *string) | |
252b5132 RH |
407 | { |
408 | struct stab_handle *info = (struct stab_handle *) handle; | |
409 | ||
410 | /* gcc will emit two N_SO strings per compilation unit, one for the | |
411 | directory name and one for the file name. We just collect N_SO | |
412 | strings as we see them, and start the new compilation unit when | |
413 | we see a non N_SO symbol. */ | |
414 | if (info->so_string != NULL | |
415 | && (type != N_SO || *string == '\0' || value != info->so_value)) | |
416 | { | |
417 | if (! debug_set_filename (dhandle, info->so_string)) | |
b34976b6 | 418 | return FALSE; |
252b5132 RH |
419 | info->main_filename = info->so_string; |
420 | ||
421 | info->gcc_compiled = 0; | |
b34976b6 | 422 | info->n_opt_found = FALSE; |
252b5132 RH |
423 | |
424 | /* Generally, for stabs in the symbol table, the N_LBRAC and | |
425 | N_RBRAC symbols are relative to the N_SO symbol value. */ | |
426 | if (! info->sections) | |
427 | info->file_start_offset = info->so_value; | |
428 | ||
429 | /* We need to reset the mapping from type numbers to types. We | |
430 | can't free the old mapping, because of the use of | |
431 | debug_make_indirect_type. */ | |
432 | info->files = 1; | |
433 | info->file_types = ((struct stab_types **) | |
434 | xmalloc (sizeof *info->file_types)); | |
435 | info->file_types[0] = NULL; | |
436 | ||
437 | info->so_string = NULL; | |
438 | ||
439 | /* Now process whatever type we just got. */ | |
440 | } | |
441 | ||
442 | switch (type) | |
443 | { | |
444 | case N_FN: | |
445 | case N_FN_SEQ: | |
446 | break; | |
447 | ||
448 | case N_LBRAC: | |
449 | /* Ignore extra outermost context from SunPRO cc and acc. */ | |
450 | if (info->n_opt_found && desc == 1) | |
451 | break; | |
452 | ||
453 | if (! info->within_function) | |
454 | { | |
455 | fprintf (stderr, _("N_LBRAC not within function\n")); | |
b34976b6 | 456 | return FALSE; |
252b5132 RH |
457 | } |
458 | ||
459 | /* Start an inner lexical block. */ | |
460 | if (! debug_start_block (dhandle, | |
461 | (value | |
462 | + info->file_start_offset | |
463 | + info->function_start_offset))) | |
b34976b6 | 464 | return FALSE; |
252b5132 RH |
465 | |
466 | /* Emit any pending variable definitions. */ | |
467 | if (! stab_emit_pending_vars (dhandle, info)) | |
b34976b6 | 468 | return FALSE; |
252b5132 RH |
469 | |
470 | ++info->block_depth; | |
471 | break; | |
472 | ||
473 | case N_RBRAC: | |
474 | /* Ignore extra outermost context from SunPRO cc and acc. */ | |
475 | if (info->n_opt_found && desc == 1) | |
476 | break; | |
477 | ||
478 | /* We shouldn't have any pending variable definitions here, but, | |
479 | if we do, we probably need to emit them before closing the | |
480 | block. */ | |
481 | if (! stab_emit_pending_vars (dhandle, info)) | |
b34976b6 | 482 | return FALSE; |
252b5132 RH |
483 | |
484 | /* End an inner lexical block. */ | |
485 | if (! debug_end_block (dhandle, | |
486 | (value | |
487 | + info->file_start_offset | |
488 | + info->function_start_offset))) | |
b34976b6 | 489 | return FALSE; |
252b5132 RH |
490 | |
491 | --info->block_depth; | |
492 | if (info->block_depth < 0) | |
493 | { | |
494 | fprintf (stderr, _("Too many N_RBRACs\n")); | |
b34976b6 | 495 | return FALSE; |
252b5132 RH |
496 | } |
497 | break; | |
498 | ||
499 | case N_SO: | |
500 | /* This always ends a function. */ | |
501 | if (info->within_function) | |
502 | { | |
503 | bfd_vma endval; | |
504 | ||
505 | endval = value; | |
506 | if (*string != '\0' | |
507 | && info->function_end != (bfd_vma) -1 | |
508 | && info->function_end < endval) | |
509 | endval = info->function_end; | |
510 | if (! stab_emit_pending_vars (dhandle, info) | |
511 | || ! debug_end_function (dhandle, endval)) | |
b34976b6 AM |
512 | return FALSE; |
513 | info->within_function = FALSE; | |
252b5132 RH |
514 | info->function_end = (bfd_vma) -1; |
515 | } | |
516 | ||
517 | /* An empty string is emitted by gcc at the end of a compilation | |
518 | unit. */ | |
519 | if (*string == '\0') | |
b34976b6 | 520 | return TRUE; |
252b5132 RH |
521 | |
522 | /* Just accumulate strings until we see a non N_SO symbol. If | |
523 | the string starts with a directory separator or some other | |
524 | form of absolute path specification, we discard the previously | |
525 | accumulated strings. */ | |
526 | if (info->so_string == NULL) | |
527 | info->so_string = xstrdup (string); | |
528 | else | |
529 | { | |
530 | char *f; | |
531 | ||
532 | f = info->so_string; | |
533 | ||
9f66665a | 534 | if (IS_ABSOLUTE_PATH (string)) |
252b5132 RH |
535 | info->so_string = xstrdup (string); |
536 | else | |
537 | info->so_string = concat (info->so_string, string, | |
538 | (const char *) NULL); | |
539 | free (f); | |
540 | } | |
541 | ||
542 | info->so_value = value; | |
543 | ||
544 | break; | |
545 | ||
546 | case N_SOL: | |
547 | /* Start an include file. */ | |
548 | if (! debug_start_source (dhandle, string)) | |
b34976b6 | 549 | return FALSE; |
252b5132 RH |
550 | break; |
551 | ||
552 | case N_BINCL: | |
553 | /* Start an include file which may be replaced. */ | |
554 | push_bincl (info, string, value); | |
555 | if (! debug_start_source (dhandle, string)) | |
b34976b6 | 556 | return FALSE; |
252b5132 RH |
557 | break; |
558 | ||
559 | case N_EINCL: | |
560 | /* End an N_BINCL include. */ | |
561 | if (! debug_start_source (dhandle, pop_bincl (info))) | |
b34976b6 | 562 | return FALSE; |
252b5132 RH |
563 | break; |
564 | ||
565 | case N_EXCL: | |
566 | /* This is a duplicate of a header file named by N_BINCL which | |
567 | was eliminated by the linker. */ | |
568 | if (! find_excl (info, string, value)) | |
b34976b6 | 569 | return FALSE; |
252b5132 RH |
570 | break; |
571 | ||
572 | case N_SLINE: | |
573 | if (! debug_record_line (dhandle, desc, | |
6de15b9e NC |
574 | value + (info->within_function |
575 | ? info->function_start_offset : 0))) | |
b34976b6 | 576 | return FALSE; |
252b5132 RH |
577 | break; |
578 | ||
579 | case N_BCOMM: | |
580 | if (! debug_start_common_block (dhandle, string)) | |
b34976b6 | 581 | return FALSE; |
252b5132 RH |
582 | break; |
583 | ||
584 | case N_ECOMM: | |
585 | if (! debug_end_common_block (dhandle, string)) | |
b34976b6 | 586 | return FALSE; |
252b5132 RH |
587 | break; |
588 | ||
589 | case N_FUN: | |
590 | if (*string == '\0') | |
591 | { | |
592 | if (info->within_function) | |
593 | { | |
594 | /* This always marks the end of a function; we don't | |
595 | need to worry about info->function_end. */ | |
596 | if (info->sections) | |
597 | value += info->function_start_offset; | |
598 | if (! stab_emit_pending_vars (dhandle, info) | |
599 | || ! debug_end_function (dhandle, value)) | |
b34976b6 AM |
600 | return FALSE; |
601 | info->within_function = FALSE; | |
252b5132 RH |
602 | info->function_end = (bfd_vma) -1; |
603 | } | |
604 | break; | |
605 | } | |
606 | ||
607 | /* A const static symbol in the .text section will have an N_FUN | |
608 | entry. We need to use these to mark the end of the function, | |
609 | in case we are looking at gcc output before it was changed to | |
610 | always emit an empty N_FUN. We can't call debug_end_function | |
611 | here, because it might be a local static symbol. */ | |
612 | if (info->within_function | |
613 | && (info->function_end == (bfd_vma) -1 | |
614 | || value < info->function_end)) | |
615 | info->function_end = value; | |
616 | ||
617 | /* Fall through. */ | |
618 | /* FIXME: gdb checks the string for N_STSYM, N_LCSYM or N_ROSYM | |
619 | symbols, and if it does not start with :S, gdb relocates the | |
620 | value to the start of the section. gcc always seems to use | |
621 | :S, so we don't worry about this. */ | |
622 | /* Fall through. */ | |
623 | default: | |
624 | { | |
625 | const char *colon; | |
626 | ||
627 | colon = strchr (string, ':'); | |
628 | if (colon != NULL | |
629 | && (colon[1] == 'f' || colon[1] == 'F')) | |
630 | { | |
631 | if (info->within_function) | |
632 | { | |
633 | bfd_vma endval; | |
634 | ||
635 | endval = value; | |
636 | if (info->function_end != (bfd_vma) -1 | |
637 | && info->function_end < endval) | |
638 | endval = info->function_end; | |
639 | if (! stab_emit_pending_vars (dhandle, info) | |
640 | || ! debug_end_function (dhandle, endval)) | |
b34976b6 | 641 | return FALSE; |
252b5132 RH |
642 | info->function_end = (bfd_vma) -1; |
643 | } | |
644 | /* For stabs in sections, line numbers and block addresses | |
645 | are offsets from the start of the function. */ | |
646 | if (info->sections) | |
647 | info->function_start_offset = value; | |
b34976b6 | 648 | info->within_function = TRUE; |
252b5132 RH |
649 | } |
650 | ||
651 | if (! parse_stab_string (dhandle, info, type, desc, value, string)) | |
b34976b6 | 652 | return FALSE; |
252b5132 RH |
653 | } |
654 | break; | |
655 | ||
656 | case N_OPT: | |
657 | if (string != NULL && strcmp (string, "gcc2_compiled.") == 0) | |
658 | info->gcc_compiled = 2; | |
659 | else if (string != NULL && strcmp (string, "gcc_compiled.") == 0) | |
660 | info->gcc_compiled = 1; | |
661 | else | |
b34976b6 | 662 | info->n_opt_found = TRUE; |
252b5132 RH |
663 | break; |
664 | ||
665 | case N_OBJ: | |
666 | case N_ENDM: | |
667 | case N_MAIN: | |
8855cbca | 668 | case N_WARNING: |
252b5132 RH |
669 | break; |
670 | } | |
671 | ||
b34976b6 | 672 | return TRUE; |
252b5132 RH |
673 | } |
674 | ||
675 | /* Parse the stabs string. */ | |
676 | ||
b34976b6 | 677 | static bfd_boolean |
2da42df6 | 678 | parse_stab_string (void *dhandle, struct stab_handle *info, int stabtype, |
3d540e93 | 679 | int desc ATTRIBUTE_UNUSED, bfd_vma value, const char *string) |
252b5132 RH |
680 | { |
681 | const char *p; | |
682 | char *name; | |
683 | int type; | |
684 | debug_type dtype; | |
b34976b6 AM |
685 | bfd_boolean synonym; |
686 | bfd_boolean self_crossref; | |
252b5132 RH |
687 | debug_type *slot; |
688 | ||
689 | p = strchr (string, ':'); | |
690 | if (p == NULL) | |
b34976b6 | 691 | return TRUE; |
252b5132 RH |
692 | |
693 | while (p[1] == ':') | |
694 | { | |
695 | p += 2; | |
696 | p = strchr (p, ':'); | |
697 | if (p == NULL) | |
698 | { | |
699 | bad_stab (string); | |
b34976b6 | 700 | return FALSE; |
252b5132 RH |
701 | } |
702 | } | |
703 | ||
252b5132 RH |
704 | /* FIXME: Sometimes the special C++ names start with '.'. */ |
705 | name = NULL; | |
706 | if (string[0] == '$') | |
707 | { | |
708 | switch (string[1]) | |
709 | { | |
710 | case 't': | |
711 | name = "this"; | |
712 | break; | |
713 | case 'v': | |
714 | /* Was: name = "vptr"; */ | |
715 | break; | |
716 | case 'e': | |
717 | name = "eh_throw"; | |
718 | break; | |
719 | case '_': | |
720 | /* This was an anonymous type that was never fixed up. */ | |
721 | break; | |
722 | case 'X': | |
723 | /* SunPRO (3.0 at least) static variable encoding. */ | |
724 | break; | |
725 | default: | |
726 | warn_stab (string, _("unknown C++ encoded name")); | |
727 | break; | |
728 | } | |
729 | } | |
730 | ||
731 | if (name == NULL) | |
732 | { | |
733 | if (p == string || (string[0] == ' ' && p == string + 1)) | |
734 | name = NULL; | |
735 | else | |
736 | name = savestring (string, p - string); | |
737 | } | |
738 | ||
739 | ++p; | |
3882b010 | 740 | if (ISDIGIT (*p) || *p == '(' || *p == '-') |
252b5132 RH |
741 | type = 'l'; |
742 | else | |
743 | type = *p++; | |
744 | ||
745 | switch (type) | |
746 | { | |
747 | case 'c': | |
748 | /* c is a special case, not followed by a type-number. | |
749 | SYMBOL:c=iVALUE for an integer constant symbol. | |
750 | SYMBOL:c=rVALUE for a floating constant symbol. | |
751 | SYMBOL:c=eTYPE,INTVALUE for an enum constant symbol. | |
752 | e.g. "b:c=e6,0" for "const b = blob1" | |
753 | (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */ | |
754 | if (*p != '=') | |
755 | { | |
756 | bad_stab (string); | |
b34976b6 | 757 | return FALSE; |
252b5132 RH |
758 | } |
759 | ++p; | |
760 | switch (*p++) | |
761 | { | |
762 | case 'r': | |
763 | /* Floating point constant. */ | |
764 | if (! debug_record_float_const (dhandle, name, atof (p))) | |
b34976b6 | 765 | return FALSE; |
252b5132 RH |
766 | break; |
767 | case 'i': | |
768 | /* Integer constant. */ | |
769 | /* Defining integer constants this way is kind of silly, | |
770 | since 'e' constants allows the compiler to give not only | |
771 | the value, but the type as well. C has at least int, | |
772 | long, unsigned int, and long long as constant types; | |
773 | other languages probably should have at least unsigned as | |
774 | well as signed constants. */ | |
775 | if (! debug_record_int_const (dhandle, name, atoi (p))) | |
b34976b6 | 776 | return FALSE; |
252b5132 RH |
777 | break; |
778 | case 'e': | |
779 | /* SYMBOL:c=eTYPE,INTVALUE for a constant symbol whose value | |
780 | can be represented as integral. | |
781 | e.g. "b:c=e6,0" for "const b = blob1" | |
782 | (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */ | |
783 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
784 | &p, (debug_type **) NULL); | |
785 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 786 | return FALSE; |
252b5132 RH |
787 | if (*p != ',') |
788 | { | |
789 | bad_stab (string); | |
b34976b6 | 790 | return FALSE; |
252b5132 RH |
791 | } |
792 | if (! debug_record_typed_const (dhandle, name, dtype, atoi (p))) | |
b34976b6 | 793 | return FALSE; |
252b5132 RH |
794 | break; |
795 | default: | |
796 | bad_stab (string); | |
b34976b6 | 797 | return FALSE; |
252b5132 RH |
798 | } |
799 | ||
800 | break; | |
801 | ||
802 | case 'C': | |
803 | /* The name of a caught exception. */ | |
804 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
805 | &p, (debug_type **) NULL); | |
806 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 807 | return FALSE; |
252b5132 | 808 | if (! debug_record_label (dhandle, name, dtype, value)) |
b34976b6 | 809 | return FALSE; |
252b5132 RH |
810 | break; |
811 | ||
812 | case 'f': | |
813 | case 'F': | |
814 | /* A function definition. */ | |
815 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
816 | (debug_type **) NULL); | |
817 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 818 | return FALSE; |
252b5132 | 819 | if (! debug_record_function (dhandle, name, dtype, type == 'F', value)) |
b34976b6 | 820 | return FALSE; |
252b5132 RH |
821 | |
822 | /* Sun acc puts declared types of arguments here. We don't care | |
823 | about their actual types (FIXME -- we should remember the whole | |
824 | function prototype), but the list may define some new types | |
825 | that we have to remember, so we must scan it now. */ | |
826 | while (*p == ';') | |
827 | { | |
828 | ++p; | |
829 | if (parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
830 | (debug_type **) NULL) | |
831 | == DEBUG_TYPE_NULL) | |
b34976b6 | 832 | return FALSE; |
252b5132 RH |
833 | } |
834 | ||
835 | break; | |
836 | ||
837 | case 'G': | |
838 | { | |
252b5132 RH |
839 | asymbol **ps; |
840 | ||
841 | /* A global symbol. The value must be extracted from the | |
842 | symbol table. */ | |
843 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
844 | (debug_type **) NULL); | |
845 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 846 | return FALSE; |
f41e4712 | 847 | if (name != NULL) |
252b5132 | 848 | { |
f41e4712 NC |
849 | char leading; |
850 | long c; | |
252b5132 | 851 | |
f41e4712 NC |
852 | leading = bfd_get_symbol_leading_char (info->abfd); |
853 | for (c = info->symcount, ps = info->syms; c > 0; --c, ++ps) | |
854 | { | |
855 | const char *n; | |
856 | ||
857 | n = bfd_asymbol_name (*ps); | |
858 | if (leading != '\0' && *n == leading) | |
859 | ++n; | |
860 | if (*n == *name && strcmp (n, name) == 0) | |
861 | break; | |
862 | } | |
863 | ||
864 | if (c > 0) | |
865 | value = bfd_asymbol_value (*ps); | |
252b5132 | 866 | } |
f41e4712 | 867 | |
252b5132 RH |
868 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_GLOBAL, |
869 | value)) | |
b34976b6 | 870 | return FALSE; |
252b5132 RH |
871 | } |
872 | break; | |
873 | ||
874 | /* This case is faked by a conditional above, when there is no | |
875 | code letter in the dbx data. Dbx data never actually | |
876 | contains 'l'. */ | |
877 | case 'l': | |
878 | case 's': | |
879 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
880 | (debug_type **) NULL); | |
881 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 882 | return FALSE; |
252b5132 RH |
883 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_LOCAL, |
884 | value)) | |
b34976b6 | 885 | return FALSE; |
252b5132 RH |
886 | break; |
887 | ||
888 | case 'p': | |
889 | /* A function parameter. */ | |
890 | if (*p != 'F') | |
891 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
892 | (debug_type **) NULL); | |
893 | else | |
894 | { | |
895 | /* pF is a two-letter code that means a function parameter in | |
896 | Fortran. The type-number specifies the type of the return | |
897 | value. Translate it into a pointer-to-function type. */ | |
898 | ++p; | |
899 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
900 | (debug_type **) NULL); | |
901 | if (dtype != DEBUG_TYPE_NULL) | |
902 | { | |
903 | debug_type ftype; | |
904 | ||
905 | ftype = debug_make_function_type (dhandle, dtype, | |
b34976b6 | 906 | (debug_type *) NULL, FALSE); |
252b5132 RH |
907 | dtype = debug_make_pointer_type (dhandle, ftype); |
908 | } | |
909 | } | |
910 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 911 | return FALSE; |
252b5132 RH |
912 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_STACK, |
913 | value)) | |
b34976b6 | 914 | return FALSE; |
252b5132 RH |
915 | |
916 | /* FIXME: At this point gdb considers rearranging the parameter | |
917 | address on a big endian machine if it is smaller than an int. | |
918 | We have no way to do that, since we don't really know much | |
919 | about the target. */ | |
252b5132 RH |
920 | break; |
921 | ||
922 | case 'P': | |
923 | if (stabtype == N_FUN) | |
924 | { | |
925 | /* Prototype of a function referenced by this file. */ | |
926 | while (*p == ';') | |
927 | { | |
928 | ++p; | |
929 | if (parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
930 | (debug_type **) NULL) | |
931 | == DEBUG_TYPE_NULL) | |
b34976b6 | 932 | return FALSE; |
252b5132 RH |
933 | } |
934 | break; | |
935 | } | |
936 | /* Fall through. */ | |
937 | case 'R': | |
938 | /* Parameter which is in a register. */ | |
939 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
940 | (debug_type **) NULL); | |
941 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 942 | return FALSE; |
252b5132 RH |
943 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REG, |
944 | value)) | |
b34976b6 | 945 | return FALSE; |
252b5132 RH |
946 | break; |
947 | ||
948 | case 'r': | |
949 | /* Register variable (either global or local). */ | |
950 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
951 | (debug_type **) NULL); | |
952 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 953 | return FALSE; |
252b5132 RH |
954 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_REGISTER, |
955 | value)) | |
b34976b6 | 956 | return FALSE; |
252b5132 RH |
957 | |
958 | /* FIXME: At this point gdb checks to combine pairs of 'p' and | |
959 | 'r' stabs into a single 'P' stab. */ | |
252b5132 RH |
960 | break; |
961 | ||
962 | case 'S': | |
7eb5191a | 963 | /* Static symbol at top level of file. */ |
252b5132 RH |
964 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
965 | (debug_type **) NULL); | |
966 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 967 | return FALSE; |
252b5132 RH |
968 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_STATIC, |
969 | value)) | |
b34976b6 | 970 | return FALSE; |
252b5132 RH |
971 | break; |
972 | ||
973 | case 't': | |
974 | /* A typedef. */ | |
975 | dtype = parse_stab_type (dhandle, info, name, &p, &slot); | |
976 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 977 | return FALSE; |
252b5132 RH |
978 | if (name == NULL) |
979 | { | |
980 | /* A nameless type. Nothing to do. */ | |
b34976b6 | 981 | return TRUE; |
252b5132 RH |
982 | } |
983 | ||
984 | dtype = debug_name_type (dhandle, name, dtype); | |
985 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 986 | return FALSE; |
252b5132 RH |
987 | |
988 | if (slot != NULL) | |
989 | *slot = dtype; | |
990 | ||
991 | break; | |
992 | ||
993 | case 'T': | |
994 | /* Struct, union, or enum tag. For GNU C++, this can be be followed | |
995 | by 't' which means we are typedef'ing it as well. */ | |
996 | if (*p != 't') | |
997 | { | |
b34976b6 AM |
998 | synonym = FALSE; |
999 | /* FIXME: gdb sets synonym to TRUE if the current language | |
252b5132 RH |
1000 | is C++. */ |
1001 | } | |
1002 | else | |
1003 | { | |
b34976b6 | 1004 | synonym = TRUE; |
252b5132 RH |
1005 | ++p; |
1006 | } | |
1007 | ||
1008 | dtype = parse_stab_type (dhandle, info, name, &p, &slot); | |
1009 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1010 | return FALSE; |
252b5132 | 1011 | if (name == NULL) |
b34976b6 | 1012 | return TRUE; |
252b5132 RH |
1013 | |
1014 | /* INFO->SELF_CROSSREF is set by parse_stab_type if this type is | |
1015 | a cross reference to itself. These are generated by some | |
1016 | versions of g++. */ | |
1017 | self_crossref = info->self_crossref; | |
1018 | ||
1019 | dtype = debug_tag_type (dhandle, name, dtype); | |
1020 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1021 | return FALSE; |
252b5132 RH |
1022 | if (slot != NULL) |
1023 | *slot = dtype; | |
1024 | ||
1025 | /* See if we have a cross reference to this tag which we can now | |
1026 | fill in. Avoid filling in a cross reference to ourselves, | |
1027 | because that would lead to circular debugging information. */ | |
1028 | if (! self_crossref) | |
1029 | { | |
1030 | register struct stab_tag **pst; | |
1031 | ||
1032 | for (pst = &info->tags; *pst != NULL; pst = &(*pst)->next) | |
1033 | { | |
1034 | if ((*pst)->name[0] == name[0] | |
1035 | && strcmp ((*pst)->name, name) == 0) | |
1036 | { | |
1037 | (*pst)->slot = dtype; | |
1038 | *pst = (*pst)->next; | |
1039 | break; | |
1040 | } | |
1041 | } | |
1042 | } | |
1043 | ||
1044 | if (synonym) | |
1045 | { | |
1046 | dtype = debug_name_type (dhandle, name, dtype); | |
1047 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1048 | return FALSE; |
252b5132 RH |
1049 | |
1050 | if (slot != NULL) | |
1051 | *slot = dtype; | |
1052 | } | |
1053 | ||
1054 | break; | |
1055 | ||
1056 | case 'V': | |
1057 | /* Static symbol of local scope */ | |
1058 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1059 | (debug_type **) NULL); | |
1060 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1061 | return FALSE; |
252b5132 RH |
1062 | /* FIXME: gdb checks os9k_stabs here. */ |
1063 | if (! stab_record_variable (dhandle, info, name, dtype, | |
1064 | DEBUG_LOCAL_STATIC, value)) | |
b34976b6 | 1065 | return FALSE; |
252b5132 RH |
1066 | break; |
1067 | ||
1068 | case 'v': | |
1069 | /* Reference parameter. */ | |
1070 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1071 | (debug_type **) NULL); | |
1072 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1073 | return FALSE; |
252b5132 RH |
1074 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REFERENCE, |
1075 | value)) | |
b34976b6 | 1076 | return FALSE; |
252b5132 RH |
1077 | break; |
1078 | ||
1079 | case 'a': | |
1080 | /* Reference parameter which is in a register. */ | |
1081 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1082 | (debug_type **) NULL); | |
1083 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1084 | return FALSE; |
252b5132 RH |
1085 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REF_REG, |
1086 | value)) | |
b34976b6 | 1087 | return FALSE; |
252b5132 RH |
1088 | break; |
1089 | ||
1090 | case 'X': | |
1091 | /* This is used by Sun FORTRAN for "function result value". | |
1092 | Sun claims ("dbx and dbxtool interfaces", 2nd ed) | |
1093 | that Pascal uses it too, but when I tried it Pascal used | |
1094 | "x:3" (local symbol) instead. */ | |
1095 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
1096 | (debug_type **) NULL); | |
1097 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1098 | return FALSE; |
252b5132 RH |
1099 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_LOCAL, |
1100 | value)) | |
b34976b6 | 1101 | return FALSE; |
252b5132 RH |
1102 | break; |
1103 | ||
6176abac NC |
1104 | case 'Y': |
1105 | /* SUNPro C++ Namespace =Yn0. */ | |
1106 | /* Skip the namespace mapping, as it is not used now. */ | |
1107 | if (*(++p) == 'n' && *(++p) == '0') | |
1108 | { | |
1109 | /* =Yn0name; */ | |
1110 | while (*p != ';') | |
1111 | ++p; | |
1112 | ++p; | |
1113 | return TRUE; | |
1114 | } | |
1115 | /* TODO SUNPro C++ support: | |
1116 | Support default arguments after F,P parameters | |
1117 | Ya = Anonymous unions | |
1118 | YM,YD = Pointers to class members | |
1119 | YT,YI = Templates | |
1120 | YR = Run-time type information (RTTI) */ | |
1121 | ||
1122 | /* Fall through. */ | |
1123 | ||
252b5132 RH |
1124 | default: |
1125 | bad_stab (string); | |
b34976b6 | 1126 | return FALSE; |
252b5132 RH |
1127 | } |
1128 | ||
1129 | /* FIXME: gdb converts structure values to structure pointers in a | |
1130 | couple of cases, depending upon the target. */ | |
1131 | ||
b34976b6 | 1132 | return TRUE; |
252b5132 RH |
1133 | } |
1134 | ||
1135 | /* Parse a stabs type. The typename argument is non-NULL if this is a | |
1136 | typedef or a tag definition. The pp argument points to the stab | |
1137 | string, and is updated. The slotp argument points to a place to | |
1138 | store the slot used if the type is being defined. */ | |
1139 | ||
1140 | static debug_type | |
3f5e193b | 1141 | parse_stab_type (void *dhandle, struct stab_handle *info, const char *type_name, const char **pp, debug_type **slotp) |
252b5132 RH |
1142 | { |
1143 | const char *orig; | |
1144 | int typenums[2]; | |
1145 | int size; | |
b34976b6 | 1146 | bfd_boolean stringp; |
252b5132 RH |
1147 | int descriptor; |
1148 | debug_type dtype; | |
1149 | ||
1150 | if (slotp != NULL) | |
1151 | *slotp = NULL; | |
1152 | ||
1153 | orig = *pp; | |
1154 | ||
1155 | size = -1; | |
b34976b6 | 1156 | stringp = FALSE; |
252b5132 | 1157 | |
b34976b6 | 1158 | info->self_crossref = FALSE; |
252b5132 RH |
1159 | |
1160 | /* Read type number if present. The type number may be omitted. | |
1161 | for instance in a two-dimensional array declared with type | |
1162 | "ar1;1;10;ar1;1;10;4". */ | |
3882b010 | 1163 | if (! ISDIGIT (**pp) && **pp != '(' && **pp != '-') |
252b5132 RH |
1164 | { |
1165 | /* 'typenums=' not present, type is anonymous. Read and return | |
1166 | the definition, but don't put it in the type vector. */ | |
1167 | typenums[0] = typenums[1] = -1; | |
1168 | } | |
1169 | else | |
1170 | { | |
1171 | if (! parse_stab_type_number (pp, typenums)) | |
1172 | return DEBUG_TYPE_NULL; | |
1173 | ||
1174 | if (**pp != '=') | |
7eb5191a NC |
1175 | /* Type is not being defined here. Either it already |
1176 | exists, or this is a forward reference to it. */ | |
1177 | return stab_find_type (dhandle, info, typenums); | |
252b5132 RH |
1178 | |
1179 | /* Only set the slot if the type is being defined. This means | |
1180 | that the mapping from type numbers to types will only record | |
1181 | the name of the typedef which defines a type. If we don't do | |
1182 | this, then something like | |
1183 | typedef int foo; | |
1184 | int i; | |
1185 | will record that i is of type foo. Unfortunately, stabs | |
1186 | information is ambiguous about variable types. For this code, | |
1187 | typedef int foo; | |
1188 | int i; | |
1189 | foo j; | |
1190 | the stabs information records both i and j as having the same | |
1191 | type. This could be fixed by patching the compiler. */ | |
1192 | if (slotp != NULL && typenums[0] >= 0 && typenums[1] >= 0) | |
1193 | *slotp = stab_find_slot (info, typenums); | |
1194 | ||
1195 | /* Type is being defined here. */ | |
1196 | /* Skip the '='. */ | |
1197 | ++*pp; | |
1198 | ||
1199 | while (**pp == '@') | |
1200 | { | |
1201 | const char *p = *pp + 1; | |
1202 | const char *attr; | |
1203 | ||
3882b010 | 1204 | if (ISDIGIT (*p) || *p == '(' || *p == '-') |
7eb5191a NC |
1205 | /* Member type. */ |
1206 | break; | |
252b5132 RH |
1207 | |
1208 | /* Type attributes. */ | |
1209 | attr = p; | |
1210 | ||
1211 | for (; *p != ';'; ++p) | |
1212 | { | |
1213 | if (*p == '\0') | |
1214 | { | |
1215 | bad_stab (orig); | |
1216 | return DEBUG_TYPE_NULL; | |
1217 | } | |
1218 | } | |
1219 | *pp = p + 1; | |
1220 | ||
1221 | switch (*attr) | |
1222 | { | |
1223 | case 's': | |
1224 | size = atoi (attr + 1); | |
944e5c61 | 1225 | size /= 8; /* Size is in bits. We store it in bytes. */ |
252b5132 RH |
1226 | if (size <= 0) |
1227 | size = -1; | |
1228 | break; | |
1229 | ||
1230 | case 'S': | |
b34976b6 | 1231 | stringp = TRUE; |
252b5132 RH |
1232 | break; |
1233 | ||
1234 | default: | |
1235 | /* Ignore unrecognized type attributes, so future | |
1236 | compilers can invent new ones. */ | |
1237 | break; | |
1238 | } | |
1239 | } | |
1240 | } | |
1241 | ||
1242 | descriptor = **pp; | |
1243 | ++*pp; | |
1244 | ||
1245 | switch (descriptor) | |
1246 | { | |
1247 | case 'x': | |
1248 | { | |
1249 | enum debug_type_kind code; | |
1250 | const char *q1, *q2, *p; | |
1251 | ||
1252 | /* A cross reference to another type. */ | |
252b5132 RH |
1253 | switch (**pp) |
1254 | { | |
1255 | case 's': | |
1256 | code = DEBUG_KIND_STRUCT; | |
1257 | break; | |
1258 | case 'u': | |
1259 | code = DEBUG_KIND_UNION; | |
1260 | break; | |
1261 | case 'e': | |
1262 | code = DEBUG_KIND_ENUM; | |
1263 | break; | |
1264 | default: | |
1265 | /* Complain and keep going, so compilers can invent new | |
1266 | cross-reference types. */ | |
1267 | warn_stab (orig, _("unrecognized cross reference type")); | |
1268 | code = DEBUG_KIND_STRUCT; | |
1269 | break; | |
1270 | } | |
1271 | ++*pp; | |
1272 | ||
1273 | q1 = strchr (*pp, '<'); | |
1274 | p = strchr (*pp, ':'); | |
1275 | if (p == NULL) | |
1276 | { | |
1277 | bad_stab (orig); | |
1278 | return DEBUG_TYPE_NULL; | |
1279 | } | |
c602a165 | 1280 | if (q1 != NULL && p > q1 && p[1] == ':') |
252b5132 | 1281 | { |
c602a165 ILT |
1282 | int nest = 0; |
1283 | ||
1284 | for (q2 = q1; *q2 != '\0'; ++q2) | |
1285 | { | |
1286 | if (*q2 == '<') | |
1287 | ++nest; | |
1288 | else if (*q2 == '>') | |
1289 | --nest; | |
1290 | else if (*q2 == ':' && nest == 0) | |
1291 | break; | |
1292 | } | |
1293 | p = q2; | |
1294 | if (*p != ':') | |
252b5132 RH |
1295 | { |
1296 | bad_stab (orig); | |
1297 | return DEBUG_TYPE_NULL; | |
1298 | } | |
1299 | } | |
1300 | ||
1301 | /* Some versions of g++ can emit stabs like | |
1302 | fleep:T20=xsfleep: | |
1303 | which define structures in terms of themselves. We need to | |
1304 | tell the caller to avoid building a circular structure. */ | |
3f5e193b NC |
1305 | if (type_name != NULL |
1306 | && strncmp (type_name, *pp, p - *pp) == 0 | |
1307 | && type_name[p - *pp] == '\0') | |
b34976b6 | 1308 | info->self_crossref = TRUE; |
252b5132 RH |
1309 | |
1310 | dtype = stab_find_tagged_type (dhandle, info, *pp, p - *pp, code); | |
1311 | ||
1312 | *pp = p + 1; | |
1313 | } | |
1314 | break; | |
1315 | ||
1316 | case '-': | |
1317 | case '0': | |
1318 | case '1': | |
1319 | case '2': | |
1320 | case '3': | |
1321 | case '4': | |
1322 | case '5': | |
1323 | case '6': | |
1324 | case '7': | |
1325 | case '8': | |
1326 | case '9': | |
1327 | case '(': | |
1328 | { | |
1329 | const char *hold; | |
1330 | int xtypenums[2]; | |
1331 | ||
1332 | /* This type is defined as another type. */ | |
252b5132 RH |
1333 | (*pp)--; |
1334 | hold = *pp; | |
1335 | ||
1336 | /* Peek ahead at the number to detect void. */ | |
1337 | if (! parse_stab_type_number (pp, xtypenums)) | |
1338 | return DEBUG_TYPE_NULL; | |
1339 | ||
1340 | if (typenums[0] == xtypenums[0] && typenums[1] == xtypenums[1]) | |
1341 | { | |
1342 | /* This type is being defined as itself, which means that | |
1343 | it is void. */ | |
1344 | dtype = debug_make_void_type (dhandle); | |
1345 | } | |
1346 | else | |
1347 | { | |
1348 | *pp = hold; | |
1349 | ||
1350 | /* Go back to the number and have parse_stab_type get it. | |
1351 | This means that we can deal with something like | |
1352 | t(1,2)=(3,4)=... which the Lucid compiler uses. */ | |
1353 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
1354 | pp, (debug_type **) NULL); | |
1355 | if (dtype == DEBUG_TYPE_NULL) | |
1356 | return DEBUG_TYPE_NULL; | |
1357 | } | |
1358 | ||
1359 | if (typenums[0] != -1) | |
1360 | { | |
1361 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1362 | return DEBUG_TYPE_NULL; | |
1363 | } | |
1364 | ||
1365 | break; | |
1366 | } | |
1367 | ||
1368 | case '*': | |
1369 | dtype = debug_make_pointer_type (dhandle, | |
1370 | parse_stab_type (dhandle, info, | |
1371 | (const char *) NULL, | |
1372 | pp, | |
1373 | (debug_type **) NULL)); | |
1374 | break; | |
1375 | ||
1376 | case '&': | |
1377 | /* Reference to another type. */ | |
1378 | dtype = (debug_make_reference_type | |
1379 | (dhandle, | |
1380 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1381 | (debug_type **) NULL))); | |
1382 | break; | |
1383 | ||
1384 | case 'f': | |
1385 | /* Function returning another type. */ | |
1386 | /* FIXME: gdb checks os9k_stabs here. */ | |
1387 | dtype = (debug_make_function_type | |
1388 | (dhandle, | |
1389 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1390 | (debug_type **) NULL), | |
b34976b6 | 1391 | (debug_type *) NULL, FALSE)); |
252b5132 RH |
1392 | break; |
1393 | ||
1394 | case 'k': | |
1395 | /* Const qualifier on some type (Sun). */ | |
1396 | /* FIXME: gdb accepts 'c' here if os9k_stabs. */ | |
1397 | dtype = debug_make_const_type (dhandle, | |
1398 | parse_stab_type (dhandle, info, | |
1399 | (const char *) NULL, | |
1400 | pp, | |
1401 | (debug_type **) NULL)); | |
1402 | break; | |
1403 | ||
1404 | case 'B': | |
1405 | /* Volatile qual on some type (Sun). */ | |
1406 | /* FIXME: gdb accepts 'i' here if os9k_stabs. */ | |
1407 | dtype = (debug_make_volatile_type | |
1408 | (dhandle, | |
1409 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1410 | (debug_type **) NULL))); | |
1411 | break; | |
1412 | ||
1413 | case '@': | |
1414 | /* Offset (class & variable) type. This is used for a pointer | |
1415 | relative to an object. */ | |
1416 | { | |
1417 | debug_type domain; | |
1418 | debug_type memtype; | |
1419 | ||
1420 | /* Member type. */ | |
1421 | ||
1422 | domain = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1423 | (debug_type **) NULL); | |
1424 | if (domain == DEBUG_TYPE_NULL) | |
1425 | return DEBUG_TYPE_NULL; | |
1426 | ||
1427 | if (**pp != ',') | |
1428 | { | |
1429 | bad_stab (orig); | |
1430 | return DEBUG_TYPE_NULL; | |
1431 | } | |
1432 | ++*pp; | |
1433 | ||
1434 | memtype = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
1435 | (debug_type **) NULL); | |
1436 | if (memtype == DEBUG_TYPE_NULL) | |
1437 | return DEBUG_TYPE_NULL; | |
1438 | ||
1439 | dtype = debug_make_offset_type (dhandle, domain, memtype); | |
1440 | } | |
1441 | break; | |
1442 | ||
1443 | case '#': | |
1444 | /* Method (class & fn) type. */ | |
1445 | if (**pp == '#') | |
1446 | { | |
1447 | debug_type return_type; | |
1448 | ||
1449 | ++*pp; | |
1450 | return_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1451 | pp, (debug_type **) NULL); | |
1452 | if (return_type == DEBUG_TYPE_NULL) | |
1453 | return DEBUG_TYPE_NULL; | |
1454 | if (**pp != ';') | |
1455 | { | |
1456 | bad_stab (orig); | |
1457 | return DEBUG_TYPE_NULL; | |
1458 | } | |
1459 | ++*pp; | |
1460 | dtype = debug_make_method_type (dhandle, return_type, | |
1461 | DEBUG_TYPE_NULL, | |
b34976b6 | 1462 | (debug_type *) NULL, FALSE); |
252b5132 RH |
1463 | } |
1464 | else | |
1465 | { | |
1466 | debug_type domain; | |
1467 | debug_type return_type; | |
1468 | debug_type *args; | |
1469 | unsigned int n; | |
1470 | unsigned int alloc; | |
b34976b6 | 1471 | bfd_boolean varargs; |
252b5132 RH |
1472 | |
1473 | domain = parse_stab_type (dhandle, info, (const char *) NULL, | |
1474 | pp, (debug_type **) NULL); | |
1475 | if (domain == DEBUG_TYPE_NULL) | |
1476 | return DEBUG_TYPE_NULL; | |
1477 | ||
1478 | if (**pp != ',') | |
1479 | { | |
1480 | bad_stab (orig); | |
1481 | return DEBUG_TYPE_NULL; | |
1482 | } | |
1483 | ++*pp; | |
1484 | ||
1485 | return_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1486 | pp, (debug_type **) NULL); | |
1487 | if (return_type == DEBUG_TYPE_NULL) | |
1488 | return DEBUG_TYPE_NULL; | |
1489 | ||
1490 | alloc = 10; | |
1491 | args = (debug_type *) xmalloc (alloc * sizeof *args); | |
1492 | n = 0; | |
1493 | while (**pp != ';') | |
1494 | { | |
1495 | if (**pp != ',') | |
1496 | { | |
1497 | bad_stab (orig); | |
1498 | return DEBUG_TYPE_NULL; | |
1499 | } | |
1500 | ++*pp; | |
1501 | ||
1502 | if (n + 1 >= alloc) | |
1503 | { | |
1504 | alloc += 10; | |
1505 | args = ((debug_type *) | |
2da42df6 | 1506 | xrealloc (args, alloc * sizeof *args)); |
252b5132 RH |
1507 | } |
1508 | ||
1509 | args[n] = parse_stab_type (dhandle, info, (const char *) NULL, | |
1510 | pp, (debug_type **) NULL); | |
1511 | if (args[n] == DEBUG_TYPE_NULL) | |
1512 | return DEBUG_TYPE_NULL; | |
1513 | ++n; | |
1514 | } | |
1515 | ++*pp; | |
1516 | ||
1517 | /* If the last type is not void, then this function takes a | |
1518 | variable number of arguments. Otherwise, we must strip | |
1519 | the void type. */ | |
1520 | if (n == 0 | |
1521 | || debug_get_type_kind (dhandle, args[n - 1]) != DEBUG_KIND_VOID) | |
b34976b6 | 1522 | varargs = TRUE; |
252b5132 RH |
1523 | else |
1524 | { | |
1525 | --n; | |
b34976b6 | 1526 | varargs = FALSE; |
252b5132 RH |
1527 | } |
1528 | ||
1529 | args[n] = DEBUG_TYPE_NULL; | |
1530 | ||
1531 | dtype = debug_make_method_type (dhandle, return_type, domain, args, | |
1532 | varargs); | |
1533 | } | |
1534 | break; | |
1535 | ||
1536 | case 'r': | |
1537 | /* Range type. */ | |
3f5e193b | 1538 | dtype = parse_stab_range_type (dhandle, info, type_name, pp, typenums); |
252b5132 RH |
1539 | break; |
1540 | ||
1541 | case 'b': | |
1542 | /* FIXME: gdb checks os9k_stabs here. */ | |
1543 | /* Sun ACC builtin int type. */ | |
1544 | dtype = parse_stab_sun_builtin_type (dhandle, pp); | |
1545 | break; | |
1546 | ||
1547 | case 'R': | |
1548 | /* Sun ACC builtin float type. */ | |
1549 | dtype = parse_stab_sun_floating_type (dhandle, pp); | |
1550 | break; | |
1551 | ||
1552 | case 'e': | |
1553 | /* Enumeration type. */ | |
1554 | dtype = parse_stab_enum_type (dhandle, pp); | |
1555 | break; | |
1556 | ||
1557 | case 's': | |
1558 | case 'u': | |
1559 | /* Struct or union type. */ | |
3f5e193b | 1560 | dtype = parse_stab_struct_type (dhandle, info, type_name, pp, |
252b5132 RH |
1561 | descriptor == 's', typenums); |
1562 | break; | |
1563 | ||
1564 | case 'a': | |
1565 | /* Array type. */ | |
1566 | if (**pp != 'r') | |
1567 | { | |
1568 | bad_stab (orig); | |
1569 | return DEBUG_TYPE_NULL; | |
1570 | } | |
1571 | ++*pp; | |
1572 | ||
1573 | dtype = parse_stab_array_type (dhandle, info, pp, stringp); | |
1574 | break; | |
1575 | ||
1576 | case 'S': | |
1577 | dtype = debug_make_set_type (dhandle, | |
1578 | parse_stab_type (dhandle, info, | |
1579 | (const char *) NULL, | |
1580 | pp, | |
1581 | (debug_type **) NULL), | |
1582 | stringp); | |
1583 | break; | |
1584 | ||
1585 | default: | |
1586 | bad_stab (orig); | |
1587 | return DEBUG_TYPE_NULL; | |
1588 | } | |
1589 | ||
1590 | if (dtype == DEBUG_TYPE_NULL) | |
1591 | return DEBUG_TYPE_NULL; | |
1592 | ||
1593 | if (typenums[0] != -1) | |
1594 | { | |
1595 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1596 | return DEBUG_TYPE_NULL; | |
1597 | } | |
1598 | ||
1599 | if (size != -1) | |
1600 | { | |
1601 | if (! debug_record_type_size (dhandle, dtype, (unsigned int) size)) | |
3dceb55b | 1602 | return DEBUG_TYPE_NULL; |
252b5132 RH |
1603 | } |
1604 | ||
1605 | return dtype; | |
1606 | } | |
1607 | ||
1608 | /* Read a number by which a type is referred to in dbx data, or | |
1609 | perhaps read a pair (FILENUM, TYPENUM) in parentheses. Just a | |
1610 | single number N is equivalent to (0,N). Return the two numbers by | |
1611 | storing them in the vector TYPENUMS. */ | |
1612 | ||
b34976b6 | 1613 | static bfd_boolean |
2da42df6 | 1614 | parse_stab_type_number (const char **pp, int *typenums) |
252b5132 RH |
1615 | { |
1616 | const char *orig; | |
1617 | ||
1618 | orig = *pp; | |
1619 | ||
1620 | if (**pp != '(') | |
1621 | { | |
1622 | typenums[0] = 0; | |
b34976b6 | 1623 | typenums[1] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1624 | } |
1625 | else | |
1626 | { | |
1627 | ++*pp; | |
b34976b6 | 1628 | typenums[0] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1629 | if (**pp != ',') |
1630 | { | |
1631 | bad_stab (orig); | |
b34976b6 | 1632 | return FALSE; |
252b5132 RH |
1633 | } |
1634 | ++*pp; | |
b34976b6 | 1635 | typenums[1] = (int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1636 | if (**pp != ')') |
1637 | { | |
1638 | bad_stab (orig); | |
b34976b6 | 1639 | return FALSE; |
252b5132 RH |
1640 | } |
1641 | ++*pp; | |
1642 | } | |
1643 | ||
b34976b6 | 1644 | return TRUE; |
252b5132 RH |
1645 | } |
1646 | ||
1647 | /* Parse a range type. */ | |
1648 | ||
1649 | static debug_type | |
3f5e193b | 1650 | parse_stab_range_type (void *dhandle, struct stab_handle *info, const char *type_name, const char **pp, const int *typenums) |
252b5132 RH |
1651 | { |
1652 | const char *orig; | |
1653 | int rangenums[2]; | |
b34976b6 | 1654 | bfd_boolean self_subrange; |
252b5132 RH |
1655 | debug_type index_type; |
1656 | const char *s2, *s3; | |
1657 | bfd_signed_vma n2, n3; | |
b34976b6 | 1658 | bfd_boolean ov2, ov3; |
252b5132 RH |
1659 | |
1660 | orig = *pp; | |
1661 | ||
1662 | index_type = DEBUG_TYPE_NULL; | |
1663 | ||
1664 | /* First comes a type we are a subrange of. | |
1665 | In C it is usually 0, 1 or the type being defined. */ | |
1666 | if (! parse_stab_type_number (pp, rangenums)) | |
1667 | return DEBUG_TYPE_NULL; | |
1668 | ||
1669 | self_subrange = (rangenums[0] == typenums[0] | |
1670 | && rangenums[1] == typenums[1]); | |
1671 | ||
1672 | if (**pp == '=') | |
1673 | { | |
1674 | *pp = orig; | |
1675 | index_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
1676 | pp, (debug_type **) NULL); | |
1677 | if (index_type == DEBUG_TYPE_NULL) | |
1678 | return DEBUG_TYPE_NULL; | |
1679 | } | |
1680 | ||
1681 | if (**pp == ';') | |
1682 | ++*pp; | |
1683 | ||
1684 | /* The remaining two operands are usually lower and upper bounds of | |
1685 | the range. But in some special cases they mean something else. */ | |
1686 | s2 = *pp; | |
1687 | n2 = parse_number (pp, &ov2); | |
1688 | if (**pp != ';') | |
1689 | { | |
1690 | bad_stab (orig); | |
1691 | return DEBUG_TYPE_NULL; | |
1692 | } | |
1693 | ++*pp; | |
1694 | ||
1695 | s3 = *pp; | |
1696 | n3 = parse_number (pp, &ov3); | |
1697 | if (**pp != ';') | |
1698 | { | |
1699 | bad_stab (orig); | |
1700 | return DEBUG_TYPE_NULL; | |
1701 | } | |
1702 | ++*pp; | |
1703 | ||
1704 | if (ov2 || ov3) | |
1705 | { | |
1706 | /* gcc will emit range stabs for long long types. Handle this | |
1707 | as a special case. FIXME: This needs to be more general. */ | |
7eb5191a NC |
1708 | #define LLLOW "01000000000000000000000;" |
1709 | #define LLHIGH "0777777777777777777777;" | |
252b5132 RH |
1710 | #define ULLHIGH "01777777777777777777777;" |
1711 | if (index_type == DEBUG_TYPE_NULL) | |
1712 | { | |
0112cd26 NC |
1713 | if (CONST_STRNEQ (s2, LLLOW) |
1714 | && CONST_STRNEQ (s3, LLHIGH)) | |
b34976b6 | 1715 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
1716 | if (! ov2 |
1717 | && n2 == 0 | |
0112cd26 | 1718 | && CONST_STRNEQ (s3, ULLHIGH)) |
b34976b6 | 1719 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1720 | } |
1721 | ||
1722 | warn_stab (orig, _("numeric overflow")); | |
1723 | } | |
1724 | ||
1725 | if (index_type == DEBUG_TYPE_NULL) | |
1726 | { | |
1727 | /* A type defined as a subrange of itself, with both bounds 0, | |
1728 | is void. */ | |
1729 | if (self_subrange && n2 == 0 && n3 == 0) | |
1730 | return debug_make_void_type (dhandle); | |
1731 | ||
1732 | /* A type defined as a subrange of itself, with n2 positive and | |
1733 | n3 zero, is a complex type, and n2 is the number of bytes. */ | |
1734 | if (self_subrange && n3 == 0 && n2 > 0) | |
1735 | return debug_make_complex_type (dhandle, n2); | |
1736 | ||
1737 | /* If n3 is zero and n2 is positive, this is a floating point | |
1738 | type, and n2 is the number of bytes. */ | |
1739 | if (n3 == 0 && n2 > 0) | |
1740 | return debug_make_float_type (dhandle, n2); | |
1741 | ||
1742 | /* If the upper bound is -1, this is an unsigned int. */ | |
1743 | if (n2 == 0 && n3 == -1) | |
1744 | { | |
1745 | /* When gcc is used with -gstabs, but not -gstabs+, it will emit | |
1746 | long long int:t6=r1;0;-1; | |
1747 | long long unsigned int:t7=r1;0;-1; | |
1748 | We hack here to handle this reasonably. */ | |
3f5e193b | 1749 | if (type_name != NULL) |
252b5132 | 1750 | { |
3f5e193b | 1751 | if (strcmp (type_name, "long long int") == 0) |
b34976b6 | 1752 | return debug_make_int_type (dhandle, 8, FALSE); |
3f5e193b | 1753 | else if (strcmp (type_name, "long long unsigned int") == 0) |
b34976b6 | 1754 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1755 | } |
1756 | /* FIXME: The size here really depends upon the target. */ | |
b34976b6 | 1757 | return debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
1758 | } |
1759 | ||
1760 | /* A range of 0 to 127 is char. */ | |
1761 | if (self_subrange && n2 == 0 && n3 == 127) | |
b34976b6 | 1762 | return debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
1763 | |
1764 | /* FIXME: gdb checks for the language CHILL here. */ | |
1765 | ||
1766 | if (n2 == 0) | |
1767 | { | |
1768 | if (n3 < 0) | |
b34976b6 | 1769 | return debug_make_int_type (dhandle, - n3, TRUE); |
252b5132 | 1770 | else if (n3 == 0xff) |
b34976b6 | 1771 | return debug_make_int_type (dhandle, 1, TRUE); |
252b5132 | 1772 | else if (n3 == 0xffff) |
b34976b6 | 1773 | return debug_make_int_type (dhandle, 2, TRUE); |
b4c96d0d | 1774 | else if (n3 == (bfd_signed_vma) 0xffffffff) |
b34976b6 | 1775 | return debug_make_int_type (dhandle, 4, TRUE); |
252b5132 | 1776 | #ifdef BFD64 |
7cb9e39b | 1777 | else if (n3 == (bfd_signed_vma) 0xffffffffffffffffLL) |
b34976b6 | 1778 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1779 | #endif |
1780 | } | |
1781 | else if (n3 == 0 | |
1782 | && n2 < 0 | |
1783 | && (self_subrange || n2 == -8)) | |
b34976b6 | 1784 | return debug_make_int_type (dhandle, - n2, TRUE); |
252b5132 RH |
1785 | else if (n2 == - n3 - 1 || n2 == n3 + 1) |
1786 | { | |
1787 | if (n3 == 0x7f) | |
b34976b6 | 1788 | return debug_make_int_type (dhandle, 1, FALSE); |
252b5132 | 1789 | else if (n3 == 0x7fff) |
b34976b6 | 1790 | return debug_make_int_type (dhandle, 2, FALSE); |
252b5132 | 1791 | else if (n3 == 0x7fffffff) |
b34976b6 | 1792 | return debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
1793 | #ifdef BFD64 |
1794 | else if (n3 == ((((bfd_vma) 0x7fffffff) << 32) | 0xffffffff)) | |
b34976b6 | 1795 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
1796 | #endif |
1797 | } | |
1798 | } | |
1799 | ||
1800 | /* At this point I don't have the faintest idea how to deal with a | |
1801 | self_subrange type; I'm going to assume that this is used as an | |
1802 | idiom, and that all of them are special cases. So . . . */ | |
1803 | if (self_subrange) | |
1804 | { | |
1805 | bad_stab (orig); | |
1806 | return DEBUG_TYPE_NULL; | |
1807 | } | |
1808 | ||
1809 | index_type = stab_find_type (dhandle, info, rangenums); | |
1810 | if (index_type == DEBUG_TYPE_NULL) | |
1811 | { | |
1812 | /* Does this actually ever happen? Is that why we are worrying | |
1813 | about dealing with it rather than just calling error_type? */ | |
1814 | warn_stab (orig, _("missing index type")); | |
b34976b6 | 1815 | index_type = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
1816 | } |
1817 | ||
1818 | return debug_make_range_type (dhandle, index_type, n2, n3); | |
1819 | } | |
1820 | ||
1821 | /* Sun's ACC uses a somewhat saner method for specifying the builtin | |
1822 | typedefs in every file (for int, long, etc): | |
1823 | ||
1824 | type = b <signed> <width>; <offset>; <nbits> | |
1825 | signed = u or s. Possible c in addition to u or s (for char?). | |
1826 | offset = offset from high order bit to start bit of type. | |
1827 | width is # bytes in object of this type, nbits is # bits in type. | |
1828 | ||
1829 | The width/offset stuff appears to be for small objects stored in | |
1830 | larger ones (e.g. `shorts' in `int' registers). We ignore it for now, | |
1831 | FIXME. */ | |
1832 | ||
1833 | static debug_type | |
2da42df6 | 1834 | parse_stab_sun_builtin_type (void *dhandle, const char **pp) |
252b5132 RH |
1835 | { |
1836 | const char *orig; | |
b34976b6 | 1837 | bfd_boolean unsignedp; |
252b5132 RH |
1838 | bfd_vma bits; |
1839 | ||
1840 | orig = *pp; | |
1841 | ||
1842 | switch (**pp) | |
1843 | { | |
1844 | case 's': | |
b34976b6 | 1845 | unsignedp = FALSE; |
252b5132 RH |
1846 | break; |
1847 | case 'u': | |
b34976b6 | 1848 | unsignedp = TRUE; |
252b5132 RH |
1849 | break; |
1850 | default: | |
1851 | bad_stab (orig); | |
1852 | return DEBUG_TYPE_NULL; | |
1853 | } | |
1854 | ++*pp; | |
1855 | ||
42b722c1 NC |
1856 | /* OpenSolaris source code indicates that one of "cbv" characters |
1857 | can come next and specify the intrinsic 'iformat' encoding. | |
1858 | 'c' is character encoding, 'b' is boolean encoding, and 'v' is | |
1859 | varargs encoding. This field can be safely ignored because | |
1860 | the type of the field is determined from the bitwidth extracted | |
1861 | below. */ | |
1862 | if (**pp == 'c' || **pp == 'b' || **pp == 'v') | |
252b5132 RH |
1863 | ++*pp; |
1864 | ||
1865 | /* The first number appears to be the number of bytes occupied | |
1866 | by this type, except that unsigned short is 4 instead of 2. | |
1867 | Since this information is redundant with the third number, | |
1868 | we will ignore it. */ | |
b34976b6 | 1869 | (void) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1870 | if (**pp != ';') |
1871 | { | |
1872 | bad_stab (orig); | |
1873 | return DEBUG_TYPE_NULL; | |
1874 | } | |
1875 | ++*pp; | |
1876 | ||
9f66665a | 1877 | /* The second number is always 0, so ignore it too. */ |
b34976b6 | 1878 | (void) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1879 | if (**pp != ';') |
1880 | { | |
1881 | bad_stab (orig); | |
1882 | return DEBUG_TYPE_NULL; | |
1883 | } | |
1884 | ++*pp; | |
1885 | ||
9f66665a | 1886 | /* The third number is the number of bits for this type. */ |
b34976b6 | 1887 | bits = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1888 | |
1889 | /* The type *should* end with a semicolon. If it are embedded | |
1890 | in a larger type the semicolon may be the only way to know where | |
1891 | the type ends. If this type is at the end of the stabstring we | |
1892 | can deal with the omitted semicolon (but we don't have to like | |
1893 | it). Don't bother to complain(), Sun's compiler omits the semicolon | |
1894 | for "void". */ | |
1895 | if (**pp == ';') | |
1896 | ++*pp; | |
1897 | ||
1898 | if (bits == 0) | |
1899 | return debug_make_void_type (dhandle); | |
1900 | ||
1901 | return debug_make_int_type (dhandle, bits / 8, unsignedp); | |
1902 | } | |
1903 | ||
1904 | /* Parse a builtin floating type generated by the Sun compiler. */ | |
1905 | ||
1906 | static debug_type | |
2da42df6 | 1907 | parse_stab_sun_floating_type (void *dhandle, const char **pp) |
252b5132 RH |
1908 | { |
1909 | const char *orig; | |
1910 | bfd_vma details; | |
1911 | bfd_vma bytes; | |
1912 | ||
1913 | orig = *pp; | |
1914 | ||
1915 | /* The first number has more details about the type, for example | |
1916 | FN_COMPLEX. */ | |
b34976b6 | 1917 | details = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1918 | if (**pp != ';') |
1919 | { | |
1920 | bad_stab (orig); | |
1921 | return DEBUG_TYPE_NULL; | |
1922 | } | |
1923 | ||
1924 | /* The second number is the number of bytes occupied by this type */ | |
b34976b6 | 1925 | bytes = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1926 | if (**pp != ';') |
1927 | { | |
1928 | bad_stab (orig); | |
1929 | return DEBUG_TYPE_NULL; | |
1930 | } | |
1931 | ||
1932 | if (details == NF_COMPLEX | |
1933 | || details == NF_COMPLEX16 | |
1934 | || details == NF_COMPLEX32) | |
1935 | return debug_make_complex_type (dhandle, bytes); | |
1936 | ||
9f66665a | 1937 | return debug_make_float_type (dhandle, bytes); |
252b5132 RH |
1938 | } |
1939 | ||
1940 | /* Handle an enum type. */ | |
1941 | ||
1942 | static debug_type | |
2da42df6 | 1943 | parse_stab_enum_type (void *dhandle, const char **pp) |
252b5132 RH |
1944 | { |
1945 | const char *orig; | |
1946 | const char **names; | |
1947 | bfd_signed_vma *values; | |
1948 | unsigned int n; | |
1949 | unsigned int alloc; | |
1950 | ||
1951 | orig = *pp; | |
1952 | ||
1953 | /* FIXME: gdb checks os9k_stabs here. */ | |
1954 | ||
1955 | /* The aix4 compiler emits an extra field before the enum members; | |
1956 | my guess is it's a type of some sort. Just ignore it. */ | |
1957 | if (**pp == '-') | |
1958 | { | |
1959 | while (**pp != ':') | |
1960 | ++*pp; | |
1961 | ++*pp; | |
1962 | } | |
1963 | ||
1964 | /* Read the value-names and their values. | |
1965 | The input syntax is NAME:VALUE,NAME:VALUE, and so on. | |
1966 | A semicolon or comma instead of a NAME means the end. */ | |
1967 | alloc = 10; | |
1968 | names = (const char **) xmalloc (alloc * sizeof *names); | |
1969 | values = (bfd_signed_vma *) xmalloc (alloc * sizeof *values); | |
1970 | n = 0; | |
1971 | while (**pp != '\0' && **pp != ';' && **pp != ',') | |
1972 | { | |
1973 | const char *p; | |
1974 | char *name; | |
1975 | bfd_signed_vma val; | |
1976 | ||
1977 | p = *pp; | |
1978 | while (*p != ':') | |
1979 | ++p; | |
1980 | ||
1981 | name = savestring (*pp, p - *pp); | |
1982 | ||
1983 | *pp = p + 1; | |
b34976b6 | 1984 | val = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
1985 | if (**pp != ',') |
1986 | { | |
1987 | bad_stab (orig); | |
1fcab1af NC |
1988 | free (name); |
1989 | free (names); | |
1990 | free (values); | |
252b5132 RH |
1991 | return DEBUG_TYPE_NULL; |
1992 | } | |
1993 | ++*pp; | |
1994 | ||
1995 | if (n + 1 >= alloc) | |
1996 | { | |
1997 | alloc += 10; | |
1998 | names = ((const char **) | |
2da42df6 | 1999 | xrealloc (names, alloc * sizeof *names)); |
252b5132 | 2000 | values = ((bfd_signed_vma *) |
2da42df6 | 2001 | xrealloc (values, alloc * sizeof *values)); |
252b5132 RH |
2002 | } |
2003 | ||
2004 | names[n] = name; | |
2005 | values[n] = val; | |
2006 | ++n; | |
2007 | } | |
2008 | ||
2009 | names[n] = NULL; | |
2010 | values[n] = 0; | |
2011 | ||
2012 | if (**pp == ';') | |
2013 | ++*pp; | |
2014 | ||
2015 | return debug_make_enum_type (dhandle, names, values); | |
2016 | } | |
2017 | ||
2018 | /* Read the description of a structure (or union type) and return an object | |
2019 | describing the type. | |
2020 | ||
2021 | PP points to a character pointer that points to the next unconsumed token | |
1be59579 | 2022 | in the stabs string. For example, given stabs "A:T4=s4a:1,0,32;;", |
252b5132 RH |
2023 | *PP will point to "4a:1,0,32;;". */ |
2024 | ||
2025 | static debug_type | |
2da42df6 AJ |
2026 | parse_stab_struct_type (void *dhandle, struct stab_handle *info, |
2027 | const char *tagname, const char **pp, | |
2028 | bfd_boolean structp, const int *typenums) | |
252b5132 | 2029 | { |
252b5132 RH |
2030 | bfd_vma size; |
2031 | debug_baseclass *baseclasses; | |
1fcab1af | 2032 | debug_field *fields = NULL; |
b34976b6 | 2033 | bfd_boolean statics; |
252b5132 RH |
2034 | debug_method *methods; |
2035 | debug_type vptrbase; | |
b34976b6 | 2036 | bfd_boolean ownvptr; |
252b5132 | 2037 | |
252b5132 | 2038 | /* Get the size. */ |
b34976b6 | 2039 | size = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2040 | |
2041 | /* Get the other information. */ | |
2042 | if (! parse_stab_baseclasses (dhandle, info, pp, &baseclasses) | |
2043 | || ! parse_stab_struct_fields (dhandle, info, pp, &fields, &statics) | |
2044 | || ! parse_stab_members (dhandle, info, tagname, pp, typenums, &methods) | |
2045 | || ! parse_stab_tilde_field (dhandle, info, pp, typenums, &vptrbase, | |
2046 | &ownvptr)) | |
1fcab1af NC |
2047 | { |
2048 | if (fields != NULL) | |
2049 | free (fields); | |
2050 | return DEBUG_TYPE_NULL; | |
2051 | } | |
252b5132 RH |
2052 | |
2053 | if (! statics | |
2054 | && baseclasses == NULL | |
2055 | && methods == NULL | |
2056 | && vptrbase == DEBUG_TYPE_NULL | |
2057 | && ! ownvptr) | |
2058 | return debug_make_struct_type (dhandle, structp, size, fields); | |
2059 | ||
2060 | return debug_make_object_type (dhandle, structp, size, fields, baseclasses, | |
2061 | methods, vptrbase, ownvptr); | |
2062 | } | |
2063 | ||
2064 | /* The stabs for C++ derived classes contain baseclass information which | |
2065 | is marked by a '!' character after the total size. This function is | |
2066 | called when we encounter the baseclass marker, and slurps up all the | |
2067 | baseclass information. | |
2068 | ||
2069 | Immediately following the '!' marker is the number of base classes that | |
2070 | the class is derived from, followed by information for each base class. | |
2071 | For each base class, there are two visibility specifiers, a bit offset | |
2072 | to the base class information within the derived class, a reference to | |
2073 | the type for the base class, and a terminating semicolon. | |
2074 | ||
2075 | A typical example, with two base classes, would be "!2,020,19;0264,21;". | |
2da42df6 | 2076 | ^^ ^ ^ ^ ^ ^ ^ |
252b5132 RH |
2077 | Baseclass information marker __________________|| | | | | | | |
2078 | Number of baseclasses __________________________| | | | | | | | |
2079 | Visibility specifiers (2) ________________________| | | | | | | |
2080 | Offset in bits from start of class _________________| | | | | | |
2081 | Type number for base class ___________________________| | | | | |
2082 | Visibility specifiers (2) _______________________________| | | | |
2083 | Offset in bits from start of class ________________________| | | |
2084 | Type number of base class ____________________________________| | |
2085 | ||
b34976b6 | 2086 | Return TRUE for success, FALSE for failure. */ |
252b5132 | 2087 | |
b34976b6 | 2088 | static bfd_boolean |
2da42df6 AJ |
2089 | parse_stab_baseclasses (void *dhandle, struct stab_handle *info, |
2090 | const char **pp, debug_baseclass **retp) | |
252b5132 RH |
2091 | { |
2092 | const char *orig; | |
2093 | unsigned int c, i; | |
2094 | debug_baseclass *classes; | |
2095 | ||
2096 | *retp = NULL; | |
2097 | ||
2098 | orig = *pp; | |
2099 | ||
2100 | if (**pp != '!') | |
2101 | { | |
2102 | /* No base classes. */ | |
b34976b6 | 2103 | return TRUE; |
252b5132 RH |
2104 | } |
2105 | ++*pp; | |
2106 | ||
b34976b6 | 2107 | c = (unsigned int) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2108 | |
2109 | if (**pp != ',') | |
2110 | { | |
2111 | bad_stab (orig); | |
b34976b6 | 2112 | return FALSE; |
252b5132 RH |
2113 | } |
2114 | ++*pp; | |
2115 | ||
2116 | classes = (debug_baseclass *) xmalloc ((c + 1) * sizeof (**retp)); | |
2117 | ||
2118 | for (i = 0; i < c; i++) | |
2119 | { | |
3f5e193b | 2120 | bfd_boolean is_virtual; |
252b5132 RH |
2121 | enum debug_visibility visibility; |
2122 | bfd_vma bitpos; | |
2123 | debug_type type; | |
2124 | ||
2125 | switch (**pp) | |
2126 | { | |
2127 | case '0': | |
3f5e193b | 2128 | is_virtual = FALSE; |
252b5132 RH |
2129 | break; |
2130 | case '1': | |
3f5e193b | 2131 | is_virtual = TRUE; |
252b5132 RH |
2132 | break; |
2133 | default: | |
2134 | warn_stab (orig, _("unknown virtual character for baseclass")); | |
3f5e193b | 2135 | is_virtual = FALSE; |
252b5132 RH |
2136 | break; |
2137 | } | |
2138 | ++*pp; | |
2139 | ||
2140 | switch (**pp) | |
2141 | { | |
2142 | case '0': | |
2143 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2144 | break; | |
2145 | case '1': | |
2146 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2147 | break; | |
2148 | case '2': | |
2149 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2150 | break; | |
2151 | default: | |
2152 | warn_stab (orig, _("unknown visibility character for baseclass")); | |
2153 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2154 | break; | |
2155 | } | |
2156 | ++*pp; | |
2157 | ||
2158 | /* The remaining value is the bit offset of the portion of the | |
2159 | object corresponding to this baseclass. Always zero in the | |
2160 | absence of multiple inheritance. */ | |
b34976b6 | 2161 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2162 | if (**pp != ',') |
2163 | { | |
2164 | bad_stab (orig); | |
b34976b6 | 2165 | return FALSE; |
252b5132 RH |
2166 | } |
2167 | ++*pp; | |
2168 | ||
2169 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2170 | (debug_type **) NULL); | |
2171 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 2172 | return FALSE; |
252b5132 | 2173 | |
3f5e193b | 2174 | classes[i] = debug_make_baseclass (dhandle, type, bitpos, is_virtual, |
252b5132 RH |
2175 | visibility); |
2176 | if (classes[i] == DEBUG_BASECLASS_NULL) | |
b34976b6 | 2177 | return FALSE; |
252b5132 RH |
2178 | |
2179 | if (**pp != ';') | |
b34976b6 | 2180 | return FALSE; |
252b5132 RH |
2181 | ++*pp; |
2182 | } | |
2183 | ||
2184 | classes[i] = DEBUG_BASECLASS_NULL; | |
2185 | ||
2186 | *retp = classes; | |
2187 | ||
b34976b6 | 2188 | return TRUE; |
252b5132 RH |
2189 | } |
2190 | ||
2191 | /* Read struct or class data fields. They have the form: | |
2192 | ||
2da42df6 | 2193 | NAME : [VISIBILITY] TYPENUM , BITPOS , BITSIZE ; |
252b5132 RH |
2194 | |
2195 | At the end, we see a semicolon instead of a field. | |
2196 | ||
2197 | In C++, this may wind up being NAME:?TYPENUM:PHYSNAME; for | |
2198 | a static field. | |
2199 | ||
2200 | The optional VISIBILITY is one of: | |
2201 | ||
2da42df6 | 2202 | '/0' (VISIBILITY_PRIVATE) |
252b5132 RH |
2203 | '/1' (VISIBILITY_PROTECTED) |
2204 | '/2' (VISIBILITY_PUBLIC) | |
2205 | '/9' (VISIBILITY_IGNORE) | |
2206 | ||
2207 | or nothing, for C style fields with public visibility. | |
2208 | ||
2209 | Returns 1 for success, 0 for failure. */ | |
2210 | ||
b34976b6 | 2211 | static bfd_boolean |
2da42df6 AJ |
2212 | parse_stab_struct_fields (void *dhandle, struct stab_handle *info, |
2213 | const char **pp, debug_field **retp, | |
2214 | bfd_boolean *staticsp) | |
252b5132 RH |
2215 | { |
2216 | const char *orig; | |
2217 | const char *p; | |
2218 | debug_field *fields; | |
2219 | unsigned int c; | |
2220 | unsigned int alloc; | |
2221 | ||
2222 | *retp = NULL; | |
b34976b6 | 2223 | *staticsp = FALSE; |
252b5132 RH |
2224 | |
2225 | orig = *pp; | |
2226 | ||
2227 | c = 0; | |
2228 | alloc = 10; | |
2229 | fields = (debug_field *) xmalloc (alloc * sizeof *fields); | |
2230 | while (**pp != ';') | |
2231 | { | |
2232 | /* FIXME: gdb checks os9k_stabs here. */ | |
2233 | ||
2234 | p = *pp; | |
2235 | ||
2236 | /* Add 1 to c to leave room for NULL pointer at end. */ | |
2237 | if (c + 1 >= alloc) | |
2238 | { | |
2239 | alloc += 10; | |
2240 | fields = ((debug_field *) | |
2da42df6 | 2241 | xrealloc (fields, alloc * sizeof *fields)); |
252b5132 RH |
2242 | } |
2243 | ||
2244 | /* If it starts with CPLUS_MARKER it is a special abbreviation, | |
2245 | unless the CPLUS_MARKER is followed by an underscore, in | |
2246 | which case it is just the name of an anonymous type, which we | |
2247 | should handle like any other type name. We accept either '$' | |
2248 | or '.', because a field name can never contain one of these | |
2249 | characters except as a CPLUS_MARKER. */ | |
2250 | ||
2251 | if ((*p == '$' || *p == '.') && p[1] != '_') | |
2252 | { | |
2253 | ++*pp; | |
2254 | if (! parse_stab_cpp_abbrev (dhandle, info, pp, fields + c)) | |
1fcab1af NC |
2255 | { |
2256 | free (fields); | |
2257 | return FALSE; | |
2258 | } | |
252b5132 RH |
2259 | ++c; |
2260 | continue; | |
2261 | } | |
2262 | ||
2263 | /* Look for the ':' that separates the field name from the field | |
2264 | values. Data members are delimited by a single ':', while member | |
2265 | functions are delimited by a pair of ':'s. When we hit the member | |
9f66665a | 2266 | functions (if any), terminate scan loop and return. */ |
252b5132 RH |
2267 | |
2268 | p = strchr (p, ':'); | |
2269 | if (p == NULL) | |
2270 | { | |
2271 | bad_stab (orig); | |
1fcab1af | 2272 | free (fields); |
b34976b6 | 2273 | return FALSE; |
252b5132 RH |
2274 | } |
2275 | ||
2276 | if (p[1] == ':') | |
2277 | break; | |
2278 | ||
2279 | if (! parse_stab_one_struct_field (dhandle, info, pp, p, fields + c, | |
2280 | staticsp)) | |
b34976b6 | 2281 | return FALSE; |
252b5132 RH |
2282 | |
2283 | ++c; | |
2284 | } | |
2285 | ||
2286 | fields[c] = DEBUG_FIELD_NULL; | |
2287 | ||
2288 | *retp = fields; | |
2289 | ||
b34976b6 | 2290 | return TRUE; |
252b5132 RH |
2291 | } |
2292 | ||
2293 | /* Special GNU C++ name. */ | |
2294 | ||
b34976b6 | 2295 | static bfd_boolean |
2da42df6 AJ |
2296 | parse_stab_cpp_abbrev (void *dhandle, struct stab_handle *info, |
2297 | const char **pp, debug_field *retp) | |
252b5132 RH |
2298 | { |
2299 | const char *orig; | |
2300 | int cpp_abbrev; | |
2301 | debug_type context; | |
2302 | const char *name; | |
3f5e193b | 2303 | const char *type_name; |
252b5132 RH |
2304 | debug_type type; |
2305 | bfd_vma bitpos; | |
2306 | ||
2307 | *retp = DEBUG_FIELD_NULL; | |
2308 | ||
2309 | orig = *pp; | |
2310 | ||
2311 | if (**pp != 'v') | |
2312 | { | |
2313 | bad_stab (*pp); | |
b34976b6 | 2314 | return FALSE; |
252b5132 RH |
2315 | } |
2316 | ++*pp; | |
2317 | ||
2318 | cpp_abbrev = **pp; | |
2319 | ++*pp; | |
2320 | ||
2321 | /* At this point, *pp points to something like "22:23=*22...", where | |
2322 | the type number before the ':' is the "context" and everything | |
2323 | after is a regular type definition. Lookup the type, find it's | |
2324 | name, and construct the field name. */ | |
2325 | ||
2326 | context = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2327 | (debug_type **) NULL); | |
2328 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 2329 | return FALSE; |
252b5132 RH |
2330 | |
2331 | switch (cpp_abbrev) | |
2332 | { | |
2333 | case 'f': | |
2334 | /* $vf -- a virtual function table pointer. */ | |
2335 | name = "_vptr$"; | |
2336 | break; | |
2337 | case 'b': | |
2338 | /* $vb -- a virtual bsomethingorother */ | |
3f5e193b NC |
2339 | type_name = debug_get_type_name (dhandle, context); |
2340 | if (type_name == NULL) | |
252b5132 RH |
2341 | { |
2342 | warn_stab (orig, _("unnamed $vb type")); | |
3f5e193b | 2343 | type_name = "FOO"; |
252b5132 | 2344 | } |
3f5e193b | 2345 | name = concat ("_vb$", type_name, (const char *) NULL); |
252b5132 RH |
2346 | break; |
2347 | default: | |
2348 | warn_stab (orig, _("unrecognized C++ abbreviation")); | |
2349 | name = "INVALID_CPLUSPLUS_ABBREV"; | |
2350 | break; | |
2351 | } | |
2352 | ||
2353 | if (**pp != ':') | |
2354 | { | |
2355 | bad_stab (orig); | |
b34976b6 | 2356 | return FALSE; |
252b5132 RH |
2357 | } |
2358 | ++*pp; | |
2359 | ||
2360 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2361 | (debug_type **) NULL); | |
2362 | if (**pp != ',') | |
2363 | { | |
2364 | bad_stab (orig); | |
b34976b6 | 2365 | return FALSE; |
252b5132 RH |
2366 | } |
2367 | ++*pp; | |
2368 | ||
b34976b6 | 2369 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2370 | if (**pp != ';') |
2371 | { | |
2372 | bad_stab (orig); | |
b34976b6 | 2373 | return FALSE; |
252b5132 RH |
2374 | } |
2375 | ++*pp; | |
2376 | ||
2377 | *retp = debug_make_field (dhandle, name, type, bitpos, 0, | |
2378 | DEBUG_VISIBILITY_PRIVATE); | |
2379 | if (*retp == DEBUG_FIELD_NULL) | |
b34976b6 | 2380 | return FALSE; |
252b5132 | 2381 | |
b34976b6 | 2382 | return TRUE; |
252b5132 RH |
2383 | } |
2384 | ||
2385 | /* Parse a single field in a struct or union. */ | |
2386 | ||
b34976b6 | 2387 | static bfd_boolean |
2da42df6 AJ |
2388 | parse_stab_one_struct_field (void *dhandle, struct stab_handle *info, |
2389 | const char **pp, const char *p, | |
2390 | debug_field *retp, bfd_boolean *staticsp) | |
252b5132 RH |
2391 | { |
2392 | const char *orig; | |
2393 | char *name; | |
2394 | enum debug_visibility visibility; | |
2395 | debug_type type; | |
2396 | bfd_vma bitpos; | |
2397 | bfd_vma bitsize; | |
2398 | ||
2399 | orig = *pp; | |
2400 | ||
2401 | /* FIXME: gdb checks ARM_DEMANGLING here. */ | |
2402 | ||
2403 | name = savestring (*pp, p - *pp); | |
2404 | ||
2405 | *pp = p + 1; | |
2406 | ||
2407 | if (**pp != '/') | |
2408 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2409 | else | |
2410 | { | |
2411 | ++*pp; | |
2412 | switch (**pp) | |
2413 | { | |
2414 | case '0': | |
2415 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2416 | break; | |
2417 | case '1': | |
2418 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2419 | break; | |
2420 | case '2': | |
2421 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2422 | break; | |
2423 | default: | |
2424 | warn_stab (orig, _("unknown visibility character for field")); | |
2425 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2426 | break; | |
2427 | } | |
2428 | ++*pp; | |
2429 | } | |
2430 | ||
2431 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2432 | (debug_type **) NULL); | |
2433 | if (type == DEBUG_TYPE_NULL) | |
1fcab1af NC |
2434 | { |
2435 | free (name); | |
2436 | return FALSE; | |
2437 | } | |
252b5132 RH |
2438 | |
2439 | if (**pp == ':') | |
2440 | { | |
2441 | char *varname; | |
2442 | ||
2443 | /* This is a static class member. */ | |
2444 | ++*pp; | |
2445 | p = strchr (*pp, ';'); | |
2446 | if (p == NULL) | |
2447 | { | |
2448 | bad_stab (orig); | |
1fcab1af | 2449 | free (name); |
b34976b6 | 2450 | return FALSE; |
252b5132 RH |
2451 | } |
2452 | ||
2453 | varname = savestring (*pp, p - *pp); | |
2454 | ||
2455 | *pp = p + 1; | |
2456 | ||
2457 | *retp = debug_make_static_member (dhandle, name, type, varname, | |
2458 | visibility); | |
b34976b6 | 2459 | *staticsp = TRUE; |
252b5132 | 2460 | |
b34976b6 | 2461 | return TRUE; |
252b5132 RH |
2462 | } |
2463 | ||
2464 | if (**pp != ',') | |
2465 | { | |
2466 | bad_stab (orig); | |
1fcab1af | 2467 | free (name); |
b34976b6 | 2468 | return FALSE; |
252b5132 RH |
2469 | } |
2470 | ++*pp; | |
2471 | ||
b34976b6 | 2472 | bitpos = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2473 | if (**pp != ',') |
2474 | { | |
2475 | bad_stab (orig); | |
1fcab1af | 2476 | free (name); |
b34976b6 | 2477 | return FALSE; |
252b5132 RH |
2478 | } |
2479 | ++*pp; | |
2480 | ||
b34976b6 | 2481 | bitsize = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2482 | if (**pp != ';') |
2483 | { | |
2484 | bad_stab (orig); | |
1fcab1af | 2485 | free (name); |
b34976b6 | 2486 | return FALSE; |
252b5132 RH |
2487 | } |
2488 | ++*pp; | |
2489 | ||
2490 | if (bitpos == 0 && bitsize == 0) | |
2491 | { | |
2492 | /* This can happen in two cases: (1) at least for gcc 2.4.5 or | |
2493 | so, it is a field which has been optimized out. The correct | |
2494 | stab for this case is to use VISIBILITY_IGNORE, but that is a | |
2495 | recent invention. (2) It is a 0-size array. For example | |
2496 | union { int num; char str[0]; } foo. Printing "<no value>" | |
2497 | for str in "p foo" is OK, since foo.str (and thus foo.str[3]) | |
2498 | will continue to work, and a 0-size array as a whole doesn't | |
2499 | have any contents to print. | |
2500 | ||
2501 | I suspect this probably could also happen with gcc -gstabs | |
2502 | (not -gstabs+) for static fields, and perhaps other C++ | |
2503 | extensions. Hopefully few people use -gstabs with gdb, since | |
2504 | it is intended for dbx compatibility. */ | |
2505 | visibility = DEBUG_VISIBILITY_IGNORE; | |
2506 | } | |
2507 | ||
2508 | /* FIXME: gdb does some stuff here to mark fields as unpacked. */ | |
2509 | ||
2510 | *retp = debug_make_field (dhandle, name, type, bitpos, bitsize, visibility); | |
2511 | ||
b34976b6 | 2512 | return TRUE; |
252b5132 RH |
2513 | } |
2514 | ||
2515 | /* Read member function stabs info for C++ classes. The form of each member | |
2516 | function data is: | |
2517 | ||
2518 | NAME :: TYPENUM[=type definition] ARGS : PHYSNAME ; | |
2519 | ||
2520 | An example with two member functions is: | |
2521 | ||
2522 | afunc1::20=##15;:i;2A.;afunc2::20:i;2A.; | |
2523 | ||
2524 | For the case of overloaded operators, the format is op$::*.funcs, where | |
2525 | $ is the CPLUS_MARKER (usually '$'), `*' holds the place for an operator | |
2526 | name (such as `+=') and `.' marks the end of the operator name. */ | |
2527 | ||
b34976b6 | 2528 | static bfd_boolean |
2da42df6 AJ |
2529 | parse_stab_members (void *dhandle, struct stab_handle *info, |
2530 | const char *tagname, const char **pp, | |
2531 | const int *typenums, debug_method **retp) | |
252b5132 RH |
2532 | { |
2533 | const char *orig; | |
2534 | debug_method *methods; | |
2535 | unsigned int c; | |
2536 | unsigned int alloc; | |
1fcab1af NC |
2537 | char *name = NULL; |
2538 | debug_method_variant *variants = NULL; | |
2539 | char *argtypes = NULL; | |
252b5132 RH |
2540 | |
2541 | *retp = NULL; | |
2542 | ||
2543 | orig = *pp; | |
2544 | ||
2545 | alloc = 0; | |
2546 | methods = NULL; | |
2547 | c = 0; | |
2548 | ||
2549 | while (**pp != ';') | |
2550 | { | |
2551 | const char *p; | |
252b5132 RH |
2552 | unsigned int cvars; |
2553 | unsigned int allocvars; | |
2554 | debug_type look_ahead_type; | |
2555 | ||
2556 | p = strchr (*pp, ':'); | |
2557 | if (p == NULL || p[1] != ':') | |
2558 | break; | |
2559 | ||
2560 | /* FIXME: Some systems use something other than '$' here. */ | |
2561 | if ((*pp)[0] != 'o' || (*pp)[1] != 'p' || (*pp)[2] != '$') | |
2562 | { | |
2563 | name = savestring (*pp, p - *pp); | |
2564 | *pp = p + 2; | |
2565 | } | |
2566 | else | |
2567 | { | |
aaad4cf3 | 2568 | /* This is a completely weird case. In order to stuff in the |
252b5132 RH |
2569 | names that might contain colons (the usual name delimiter), |
2570 | Mike Tiemann defined a different name format which is | |
2571 | signalled if the identifier is "op$". In that case, the | |
2572 | format is "op$::XXXX." where XXXX is the name. This is | |
2573 | used for names like "+" or "=". YUUUUUUUK! FIXME! */ | |
2574 | *pp = p + 2; | |
2575 | for (p = *pp; *p != '.' && *p != '\0'; p++) | |
2576 | ; | |
2577 | if (*p != '.') | |
2578 | { | |
2579 | bad_stab (orig); | |
1fcab1af | 2580 | goto fail; |
252b5132 RH |
2581 | } |
2582 | name = savestring (*pp, p - *pp); | |
2583 | *pp = p + 1; | |
2584 | } | |
2585 | ||
2586 | allocvars = 10; | |
2587 | variants = ((debug_method_variant *) | |
2588 | xmalloc (allocvars * sizeof *variants)); | |
2589 | cvars = 0; | |
2590 | ||
2591 | look_ahead_type = DEBUG_TYPE_NULL; | |
2592 | ||
2593 | do | |
2594 | { | |
2595 | debug_type type; | |
b34976b6 | 2596 | bfd_boolean stub; |
252b5132 | 2597 | enum debug_visibility visibility; |
b34976b6 | 2598 | bfd_boolean constp, volatilep, staticp; |
252b5132 RH |
2599 | bfd_vma voffset; |
2600 | debug_type context; | |
2601 | const char *physname; | |
b34976b6 | 2602 | bfd_boolean varargs; |
252b5132 RH |
2603 | |
2604 | if (look_ahead_type != DEBUG_TYPE_NULL) | |
2605 | { | |
2606 | /* g++ version 1 kludge */ | |
2607 | type = look_ahead_type; | |
2608 | look_ahead_type = DEBUG_TYPE_NULL; | |
2609 | } | |
2610 | else | |
2611 | { | |
2612 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
2613 | (debug_type **) NULL); | |
2614 | if (type == DEBUG_TYPE_NULL) | |
1fcab1af NC |
2615 | goto fail; |
2616 | ||
252b5132 RH |
2617 | if (**pp != ':') |
2618 | { | |
2619 | bad_stab (orig); | |
1fcab1af | 2620 | goto fail; |
252b5132 RH |
2621 | } |
2622 | } | |
2623 | ||
2624 | ++*pp; | |
2625 | p = strchr (*pp, ';'); | |
2626 | if (p == NULL) | |
2627 | { | |
2628 | bad_stab (orig); | |
1fcab1af | 2629 | goto fail; |
252b5132 RH |
2630 | } |
2631 | ||
b34976b6 | 2632 | stub = FALSE; |
252b5132 RH |
2633 | if (debug_get_type_kind (dhandle, type) == DEBUG_KIND_METHOD |
2634 | && debug_get_parameter_types (dhandle, type, &varargs) == NULL) | |
b34976b6 | 2635 | stub = TRUE; |
252b5132 RH |
2636 | |
2637 | argtypes = savestring (*pp, p - *pp); | |
2638 | *pp = p + 1; | |
2639 | ||
2640 | switch (**pp) | |
2641 | { | |
2642 | case '0': | |
2643 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2644 | break; | |
2645 | case '1': | |
2646 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2647 | break; | |
2648 | default: | |
2649 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2650 | break; | |
2651 | } | |
2652 | ++*pp; | |
2653 | ||
b34976b6 AM |
2654 | constp = FALSE; |
2655 | volatilep = FALSE; | |
252b5132 RH |
2656 | switch (**pp) |
2657 | { | |
2658 | case 'A': | |
2659 | /* Normal function. */ | |
2660 | ++*pp; | |
2661 | break; | |
2662 | case 'B': | |
2663 | /* const member function. */ | |
b34976b6 | 2664 | constp = TRUE; |
252b5132 RH |
2665 | ++*pp; |
2666 | break; | |
2667 | case 'C': | |
2668 | /* volatile member function. */ | |
b34976b6 | 2669 | volatilep = TRUE; |
252b5132 RH |
2670 | ++*pp; |
2671 | break; | |
2672 | case 'D': | |
2673 | /* const volatile member function. */ | |
b34976b6 AM |
2674 | constp = TRUE; |
2675 | volatilep = TRUE; | |
252b5132 RH |
2676 | ++*pp; |
2677 | break; | |
2678 | case '*': | |
2679 | case '?': | |
2680 | case '.': | |
2681 | /* File compiled with g++ version 1; no information. */ | |
2682 | break; | |
2683 | default: | |
2684 | warn_stab (orig, _("const/volatile indicator missing")); | |
2685 | break; | |
2686 | } | |
2687 | ||
b34976b6 | 2688 | staticp = FALSE; |
252b5132 RH |
2689 | switch (**pp) |
2690 | { | |
2691 | case '*': | |
2692 | /* virtual member function, followed by index. The sign | |
2693 | bit is supposedly set to distinguish | |
222c2bf0 | 2694 | pointers-to-methods from virtual function indices. */ |
252b5132 | 2695 | ++*pp; |
b34976b6 | 2696 | voffset = parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
2697 | if (**pp != ';') |
2698 | { | |
2699 | bad_stab (orig); | |
1fcab1af | 2700 | goto fail; |
252b5132 RH |
2701 | } |
2702 | ++*pp; | |
2703 | voffset &= 0x7fffffff; | |
2704 | ||
2705 | if (**pp == ';' || *pp == '\0') | |
2706 | { | |
2707 | /* Must be g++ version 1. */ | |
2708 | context = DEBUG_TYPE_NULL; | |
2709 | } | |
2710 | else | |
2711 | { | |
2712 | /* Figure out from whence this virtual function | |
2713 | came. It may belong to virtual function table of | |
2714 | one of its baseclasses. */ | |
9f66665a KH |
2715 | look_ahead_type = parse_stab_type (dhandle, info, |
2716 | (const char *) NULL, | |
2717 | pp, | |
2718 | (debug_type **) NULL); | |
2719 | if (**pp == ':') | |
2720 | { | |
2721 | /* g++ version 1 overloaded methods. */ | |
2722 | context = DEBUG_TYPE_NULL; | |
2723 | } | |
2724 | else | |
2725 | { | |
2726 | context = look_ahead_type; | |
2727 | look_ahead_type = DEBUG_TYPE_NULL; | |
2728 | if (**pp != ';') | |
2729 | { | |
2730 | bad_stab (orig); | |
1fcab1af | 2731 | goto fail; |
9f66665a KH |
2732 | } |
2733 | ++*pp; | |
2734 | } | |
2735 | } | |
252b5132 RH |
2736 | break; |
2737 | ||
2738 | case '?': | |
2739 | /* static member function. */ | |
2740 | ++*pp; | |
b34976b6 | 2741 | staticp = TRUE; |
252b5132 RH |
2742 | voffset = 0; |
2743 | context = DEBUG_TYPE_NULL; | |
2744 | if (strncmp (argtypes, name, strlen (name)) != 0) | |
b34976b6 | 2745 | stub = TRUE; |
252b5132 RH |
2746 | break; |
2747 | ||
2748 | default: | |
2749 | warn_stab (orig, "member function type missing"); | |
2750 | voffset = 0; | |
2751 | context = DEBUG_TYPE_NULL; | |
2752 | break; | |
2753 | ||
2754 | case '.': | |
2755 | ++*pp; | |
2756 | voffset = 0; | |
2757 | context = DEBUG_TYPE_NULL; | |
2758 | break; | |
2759 | } | |
2760 | ||
2761 | /* If the type is not a stub, then the argtypes string is | |
2762 | the physical name of the function. Otherwise the | |
2763 | argtypes string is the mangled form of the argument | |
2764 | types, and the full type and the physical name must be | |
2765 | extracted from them. */ | |
cb566e3a AM |
2766 | physname = argtypes; |
2767 | if (stub) | |
252b5132 RH |
2768 | { |
2769 | debug_type class_type, return_type; | |
2770 | ||
2771 | class_type = stab_find_type (dhandle, info, typenums); | |
2772 | if (class_type == DEBUG_TYPE_NULL) | |
1fcab1af | 2773 | goto fail; |
252b5132 RH |
2774 | return_type = debug_get_return_type (dhandle, type); |
2775 | if (return_type == DEBUG_TYPE_NULL) | |
2776 | { | |
2777 | bad_stab (orig); | |
1fcab1af | 2778 | goto fail; |
252b5132 RH |
2779 | } |
2780 | type = parse_stab_argtypes (dhandle, info, class_type, name, | |
2781 | tagname, return_type, argtypes, | |
2782 | constp, volatilep, &physname); | |
2783 | if (type == DEBUG_TYPE_NULL) | |
1fcab1af | 2784 | goto fail; |
252b5132 RH |
2785 | } |
2786 | ||
2787 | if (cvars + 1 >= allocvars) | |
2788 | { | |
2789 | allocvars += 10; | |
2790 | variants = ((debug_method_variant *) | |
2da42df6 | 2791 | xrealloc (variants, |
252b5132 RH |
2792 | allocvars * sizeof *variants)); |
2793 | } | |
2794 | ||
2795 | if (! staticp) | |
2796 | variants[cvars] = debug_make_method_variant (dhandle, physname, | |
2797 | type, visibility, | |
2798 | constp, volatilep, | |
2799 | voffset, context); | |
2800 | else | |
2801 | variants[cvars] = debug_make_static_method_variant (dhandle, | |
2802 | physname, | |
2803 | type, | |
2804 | visibility, | |
2805 | constp, | |
2806 | volatilep); | |
2807 | if (variants[cvars] == DEBUG_METHOD_VARIANT_NULL) | |
1fcab1af | 2808 | goto fail; |
252b5132 RH |
2809 | |
2810 | ++cvars; | |
2811 | } | |
2812 | while (**pp != ';' && **pp != '\0'); | |
2813 | ||
2814 | variants[cvars] = DEBUG_METHOD_VARIANT_NULL; | |
2815 | ||
2816 | if (**pp != '\0') | |
2817 | ++*pp; | |
2818 | ||
2819 | if (c + 1 >= alloc) | |
2820 | { | |
2821 | alloc += 10; | |
2822 | methods = ((debug_method *) | |
2da42df6 | 2823 | xrealloc (methods, alloc * sizeof *methods)); |
252b5132 RH |
2824 | } |
2825 | ||
2826 | methods[c] = debug_make_method (dhandle, name, variants); | |
2827 | ||
2828 | ++c; | |
2829 | } | |
2830 | ||
2831 | if (methods != NULL) | |
2832 | methods[c] = DEBUG_METHOD_NULL; | |
2833 | ||
2834 | *retp = methods; | |
2835 | ||
b34976b6 | 2836 | return TRUE; |
1fcab1af NC |
2837 | |
2838 | fail: | |
2839 | if (name != NULL) | |
2840 | free (name); | |
2841 | if (variants != NULL) | |
2842 | free (variants); | |
2843 | if (argtypes != NULL) | |
2844 | free (argtypes); | |
2845 | return FALSE; | |
252b5132 RH |
2846 | } |
2847 | ||
2848 | /* Parse a string representing argument types for a method. Stabs | |
2849 | tries to save space by packing argument types into a mangled | |
2850 | string. This string should give us enough information to extract | |
2851 | both argument types and the physical name of the function, given | |
2852 | the tag name. */ | |
2853 | ||
2854 | static debug_type | |
2da42df6 AJ |
2855 | parse_stab_argtypes (void *dhandle, struct stab_handle *info, |
2856 | debug_type class_type, const char *fieldname, | |
2857 | const char *tagname, debug_type return_type, | |
2858 | const char *argtypes, bfd_boolean constp, | |
2859 | bfd_boolean volatilep, const char **pphysname) | |
252b5132 | 2860 | { |
b34976b6 AM |
2861 | bfd_boolean is_full_physname_constructor; |
2862 | bfd_boolean is_constructor; | |
2863 | bfd_boolean is_destructor; | |
041821e6 | 2864 | bfd_boolean is_v3; |
252b5132 | 2865 | debug_type *args; |
b34976b6 | 2866 | bfd_boolean varargs; |
4b73ca92 | 2867 | unsigned int physname_len = 0; |
252b5132 RH |
2868 | |
2869 | /* Constructors are sometimes handled specially. */ | |
2870 | is_full_physname_constructor = ((argtypes[0] == '_' | |
2871 | && argtypes[1] == '_' | |
3882b010 | 2872 | && (ISDIGIT (argtypes[2]) |
252b5132 RH |
2873 | || argtypes[2] == 'Q' |
2874 | || argtypes[2] == 't')) | |
0112cd26 | 2875 | || CONST_STRNEQ (argtypes, "__ct")); |
252b5132 RH |
2876 | |
2877 | is_constructor = (is_full_physname_constructor | |
2878 | || (tagname != NULL | |
2879 | && strcmp (fieldname, tagname) == 0)); | |
2880 | is_destructor = ((argtypes[0] == '_' | |
2881 | && (argtypes[1] == '$' || argtypes[1] == '.') | |
2882 | && argtypes[2] == '_') | |
0112cd26 | 2883 | || CONST_STRNEQ (argtypes, "__dt")); |
041821e6 | 2884 | is_v3 = argtypes[0] == '_' && argtypes[1] == 'Z'; |
252b5132 | 2885 | |
cb566e3a | 2886 | if (!(is_destructor || is_full_physname_constructor || is_v3)) |
252b5132 RH |
2887 | { |
2888 | unsigned int len; | |
2889 | const char *const_prefix; | |
2890 | const char *volatile_prefix; | |
2891 | char buf[20]; | |
2892 | unsigned int mangled_name_len; | |
2893 | char *physname; | |
2894 | ||
2895 | len = tagname == NULL ? 0 : strlen (tagname); | |
2896 | const_prefix = constp ? "C" : ""; | |
2897 | volatile_prefix = volatilep ? "V" : ""; | |
2898 | ||
2899 | if (len == 0) | |
2900 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); | |
2901 | else if (tagname != NULL && strchr (tagname, '<') != NULL) | |
2902 | { | |
2903 | /* Template methods are fully mangled. */ | |
2904 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); | |
2905 | tagname = NULL; | |
2906 | len = 0; | |
2907 | } | |
2908 | else | |
2909 | sprintf (buf, "__%s%s%d", const_prefix, volatile_prefix, len); | |
2910 | ||
2911 | mangled_name_len = ((is_constructor ? 0 : strlen (fieldname)) | |
2912 | + strlen (buf) | |
2913 | + len | |
2914 | + strlen (argtypes) | |
2915 | + 1); | |
2916 | ||
2917 | if (fieldname[0] == 'o' | |
2918 | && fieldname[1] == 'p' | |
2919 | && (fieldname[2] == '$' || fieldname[2] == '.')) | |
2920 | { | |
2921 | const char *opname; | |
2922 | ||
2923 | opname = cplus_mangle_opname (fieldname + 3, 0); | |
2924 | if (opname == NULL) | |
2925 | { | |
2926 | fprintf (stderr, _("No mangling for \"%s\"\n"), fieldname); | |
2927 | return DEBUG_TYPE_NULL; | |
2928 | } | |
2929 | mangled_name_len += strlen (opname); | |
2930 | physname = (char *) xmalloc (mangled_name_len); | |
2931 | strncpy (physname, fieldname, 3); | |
2932 | strcpy (physname + 3, opname); | |
2933 | } | |
2934 | else | |
2935 | { | |
2936 | physname = (char *) xmalloc (mangled_name_len); | |
2937 | if (is_constructor) | |
2938 | physname[0] = '\0'; | |
2939 | else | |
2940 | strcpy (physname, fieldname); | |
2941 | } | |
2942 | ||
4b73ca92 | 2943 | physname_len = strlen (physname); |
252b5132 RH |
2944 | strcat (physname, buf); |
2945 | if (tagname != NULL) | |
2946 | strcat (physname, tagname); | |
2947 | strcat (physname, argtypes); | |
2948 | ||
2949 | *pphysname = physname; | |
2950 | } | |
2951 | ||
2952 | if (*argtypes == '\0' || is_destructor) | |
2953 | { | |
2954 | args = (debug_type *) xmalloc (sizeof *args); | |
2955 | *args = NULL; | |
2956 | return debug_make_method_type (dhandle, return_type, class_type, args, | |
b34976b6 | 2957 | FALSE); |
252b5132 RH |
2958 | } |
2959 | ||
4b73ca92 | 2960 | args = stab_demangle_argtypes (dhandle, info, *pphysname, &varargs, physname_len); |
252b5132 RH |
2961 | if (args == NULL) |
2962 | return DEBUG_TYPE_NULL; | |
2963 | ||
2964 | return debug_make_method_type (dhandle, return_type, class_type, args, | |
2965 | varargs); | |
2966 | } | |
2967 | ||
2968 | /* The tail end of stabs for C++ classes that contain a virtual function | |
2969 | pointer contains a tilde, a %, and a type number. | |
2970 | The type number refers to the base class (possibly this class itself) which | |
2971 | contains the vtable pointer for the current class. | |
2972 | ||
2973 | This function is called when we have parsed all the method declarations, | |
2974 | so we can look for the vptr base class info. */ | |
2975 | ||
b34976b6 | 2976 | static bfd_boolean |
2da42df6 AJ |
2977 | parse_stab_tilde_field (void *dhandle, struct stab_handle *info, |
2978 | const char **pp, const int *typenums, | |
2979 | debug_type *retvptrbase, bfd_boolean *retownvptr) | |
252b5132 RH |
2980 | { |
2981 | const char *orig; | |
2982 | const char *hold; | |
2983 | int vtypenums[2]; | |
2984 | ||
2985 | *retvptrbase = DEBUG_TYPE_NULL; | |
b34976b6 | 2986 | *retownvptr = FALSE; |
252b5132 RH |
2987 | |
2988 | orig = *pp; | |
2989 | ||
9f66665a | 2990 | /* If we are positioned at a ';', then skip it. */ |
252b5132 RH |
2991 | if (**pp == ';') |
2992 | ++*pp; | |
2993 | ||
2994 | if (**pp != '~') | |
b34976b6 | 2995 | return TRUE; |
252b5132 RH |
2996 | |
2997 | ++*pp; | |
2998 | ||
2999 | if (**pp == '=' || **pp == '+' || **pp == '-') | |
3000 | { | |
3001 | /* Obsolete flags that used to indicate the presence of | |
9f66665a | 3002 | constructors and/or destructors. */ |
252b5132 RH |
3003 | ++*pp; |
3004 | } | |
3005 | ||
3006 | if (**pp != '%') | |
b34976b6 | 3007 | return TRUE; |
252b5132 RH |
3008 | |
3009 | ++*pp; | |
3010 | ||
3011 | hold = *pp; | |
3012 | ||
3013 | /* The next number is the type number of the base class (possibly | |
3014 | our own class) which supplies the vtable for this class. */ | |
3015 | if (! parse_stab_type_number (pp, vtypenums)) | |
b34976b6 | 3016 | return FALSE; |
252b5132 RH |
3017 | |
3018 | if (vtypenums[0] == typenums[0] | |
3019 | && vtypenums[1] == typenums[1]) | |
b34976b6 | 3020 | *retownvptr = TRUE; |
252b5132 RH |
3021 | else |
3022 | { | |
3023 | debug_type vtype; | |
3024 | const char *p; | |
3025 | ||
3026 | *pp = hold; | |
3027 | ||
3028 | vtype = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
3029 | (debug_type **) NULL); | |
3030 | for (p = *pp; *p != ';' && *p != '\0'; p++) | |
3031 | ; | |
3032 | if (*p != ';') | |
3033 | { | |
3034 | bad_stab (orig); | |
b34976b6 | 3035 | return FALSE; |
252b5132 RH |
3036 | } |
3037 | ||
3038 | *retvptrbase = vtype; | |
3039 | ||
3040 | *pp = p + 1; | |
3041 | } | |
3042 | ||
b34976b6 | 3043 | return TRUE; |
252b5132 RH |
3044 | } |
3045 | ||
3046 | /* Read a definition of an array type. */ | |
3047 | ||
3048 | static debug_type | |
2da42df6 AJ |
3049 | parse_stab_array_type (void *dhandle, struct stab_handle *info, |
3050 | const char **pp, bfd_boolean stringp) | |
252b5132 RH |
3051 | { |
3052 | const char *orig; | |
3053 | const char *p; | |
3054 | int typenums[2]; | |
3055 | debug_type index_type; | |
b34976b6 | 3056 | bfd_boolean adjustable; |
252b5132 RH |
3057 | bfd_signed_vma lower, upper; |
3058 | debug_type element_type; | |
3059 | ||
3060 | /* Format of an array type: | |
3061 | "ar<index type>;lower;upper;<array_contents_type>". | |
3062 | OS9000: "arlower,upper;<array_contents_type>". | |
3063 | ||
3064 | Fortran adjustable arrays use Adigits or Tdigits for lower or upper; | |
3065 | for these, produce a type like float[][]. */ | |
3066 | ||
3067 | orig = *pp; | |
3068 | ||
3069 | /* FIXME: gdb checks os9k_stabs here. */ | |
3070 | ||
3071 | /* If the index type is type 0, we take it as int. */ | |
3072 | p = *pp; | |
3073 | if (! parse_stab_type_number (&p, typenums)) | |
3dceb55b | 3074 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3075 | if (typenums[0] == 0 && typenums[1] == 0 && **pp != '=') |
3076 | { | |
3077 | index_type = debug_find_named_type (dhandle, "int"); | |
3078 | if (index_type == DEBUG_TYPE_NULL) | |
3079 | { | |
b34976b6 | 3080 | index_type = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 | 3081 | if (index_type == DEBUG_TYPE_NULL) |
3dceb55b | 3082 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3083 | } |
3084 | *pp = p; | |
3085 | } | |
3086 | else | |
3087 | { | |
3088 | index_type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
3089 | (debug_type **) NULL); | |
3090 | } | |
3091 | ||
3092 | if (**pp != ';') | |
3093 | { | |
3094 | bad_stab (orig); | |
3095 | return DEBUG_TYPE_NULL; | |
3096 | } | |
3097 | ++*pp; | |
3098 | ||
b34976b6 | 3099 | adjustable = FALSE; |
252b5132 | 3100 | |
3882b010 | 3101 | if (! ISDIGIT (**pp) && **pp != '-') |
252b5132 RH |
3102 | { |
3103 | ++*pp; | |
b34976b6 | 3104 | adjustable = TRUE; |
252b5132 RH |
3105 | } |
3106 | ||
b34976b6 | 3107 | lower = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
3108 | if (**pp != ';') |
3109 | { | |
3110 | bad_stab (orig); | |
3dceb55b | 3111 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3112 | } |
3113 | ++*pp; | |
3114 | ||
3882b010 | 3115 | if (! ISDIGIT (**pp) && **pp != '-') |
252b5132 RH |
3116 | { |
3117 | ++*pp; | |
b34976b6 | 3118 | adjustable = TRUE; |
252b5132 RH |
3119 | } |
3120 | ||
b34976b6 | 3121 | upper = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL); |
252b5132 RH |
3122 | if (**pp != ';') |
3123 | { | |
3124 | bad_stab (orig); | |
3dceb55b | 3125 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3126 | } |
3127 | ++*pp; | |
3128 | ||
3129 | element_type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
3130 | (debug_type **) NULL); | |
3131 | if (element_type == DEBUG_TYPE_NULL) | |
3dceb55b | 3132 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3133 | |
3134 | if (adjustable) | |
3135 | { | |
3136 | lower = 0; | |
3137 | upper = -1; | |
3138 | } | |
3139 | ||
3140 | return debug_make_array_type (dhandle, element_type, index_type, lower, | |
3141 | upper, stringp); | |
3142 | } | |
3143 | ||
3144 | /* This struct holds information about files we have seen using | |
3145 | N_BINCL. */ | |
3146 | ||
3147 | struct bincl_file | |
3148 | { | |
3149 | /* The next N_BINCL file. */ | |
3150 | struct bincl_file *next; | |
3151 | /* The next N_BINCL on the stack. */ | |
3152 | struct bincl_file *next_stack; | |
3153 | /* The file name. */ | |
3154 | const char *name; | |
3155 | /* The hash value. */ | |
3156 | bfd_vma hash; | |
3157 | /* The file index. */ | |
3158 | unsigned int file; | |
3159 | /* The list of types defined in this file. */ | |
3160 | struct stab_types *file_types; | |
3161 | }; | |
3162 | ||
3163 | /* Start a new N_BINCL file, pushing it onto the stack. */ | |
3164 | ||
3165 | static void | |
2da42df6 | 3166 | push_bincl (struct stab_handle *info, const char *name, bfd_vma hash) |
252b5132 RH |
3167 | { |
3168 | struct bincl_file *n; | |
3169 | ||
3170 | n = (struct bincl_file *) xmalloc (sizeof *n); | |
3171 | n->next = info->bincl_list; | |
3172 | n->next_stack = info->bincl_stack; | |
3173 | n->name = name; | |
3174 | n->hash = hash; | |
3175 | n->file = info->files; | |
3176 | n->file_types = NULL; | |
3177 | info->bincl_list = n; | |
3178 | info->bincl_stack = n; | |
3179 | ||
3180 | ++info->files; | |
3181 | info->file_types = ((struct stab_types **) | |
2da42df6 | 3182 | xrealloc (info->file_types, |
252b5132 RH |
3183 | (info->files |
3184 | * sizeof *info->file_types))); | |
3185 | info->file_types[n->file] = NULL; | |
3186 | } | |
3187 | ||
3188 | /* Finish an N_BINCL file, at an N_EINCL, popping the name off the | |
3189 | stack. */ | |
3190 | ||
3191 | static const char * | |
2da42df6 | 3192 | pop_bincl (struct stab_handle *info) |
252b5132 RH |
3193 | { |
3194 | struct bincl_file *o; | |
3195 | ||
3196 | o = info->bincl_stack; | |
3197 | if (o == NULL) | |
3198 | return info->main_filename; | |
3199 | info->bincl_stack = o->next_stack; | |
3200 | ||
3201 | o->file_types = info->file_types[o->file]; | |
3202 | ||
3203 | if (info->bincl_stack == NULL) | |
3204 | return info->main_filename; | |
3205 | return info->bincl_stack->name; | |
3206 | } | |
3207 | ||
3208 | /* Handle an N_EXCL: get the types from the corresponding N_BINCL. */ | |
3209 | ||
b34976b6 | 3210 | static bfd_boolean |
2da42df6 | 3211 | find_excl (struct stab_handle *info, const char *name, bfd_vma hash) |
252b5132 RH |
3212 | { |
3213 | struct bincl_file *l; | |
3214 | ||
3215 | ++info->files; | |
3216 | info->file_types = ((struct stab_types **) | |
2da42df6 | 3217 | xrealloc (info->file_types, |
252b5132 RH |
3218 | (info->files |
3219 | * sizeof *info->file_types))); | |
3220 | ||
3221 | for (l = info->bincl_list; l != NULL; l = l->next) | |
3222 | if (l->hash == hash && strcmp (l->name, name) == 0) | |
3223 | break; | |
3224 | if (l == NULL) | |
3225 | { | |
3226 | warn_stab (name, _("Undefined N_EXCL")); | |
3227 | info->file_types[info->files - 1] = NULL; | |
b34976b6 | 3228 | return TRUE; |
252b5132 RH |
3229 | } |
3230 | ||
3231 | info->file_types[info->files - 1] = l->file_types; | |
3232 | ||
b34976b6 | 3233 | return TRUE; |
252b5132 RH |
3234 | } |
3235 | ||
3236 | /* Handle a variable definition. gcc emits variable definitions for a | |
3237 | block before the N_LBRAC, so we must hold onto them until we see | |
3238 | it. The SunPRO compiler emits variable definitions after the | |
3239 | N_LBRAC, so we can call debug_record_variable immediately. */ | |
3240 | ||
b34976b6 | 3241 | static bfd_boolean |
2da42df6 AJ |
3242 | stab_record_variable (void *dhandle, struct stab_handle *info, |
3243 | const char *name, debug_type type, | |
3244 | enum debug_var_kind kind, bfd_vma val) | |
252b5132 RH |
3245 | { |
3246 | struct stab_pending_var *v; | |
3247 | ||
3248 | if ((kind == DEBUG_GLOBAL || kind == DEBUG_STATIC) | |
3249 | || ! info->within_function | |
3250 | || (info->gcc_compiled == 0 && info->n_opt_found)) | |
3251 | return debug_record_variable (dhandle, name, type, kind, val); | |
3252 | ||
3253 | v = (struct stab_pending_var *) xmalloc (sizeof *v); | |
3254 | memset (v, 0, sizeof *v); | |
3255 | ||
3256 | v->next = info->pending; | |
3257 | v->name = name; | |
3258 | v->type = type; | |
3259 | v->kind = kind; | |
3260 | v->val = val; | |
3261 | info->pending = v; | |
3262 | ||
b34976b6 | 3263 | return TRUE; |
252b5132 RH |
3264 | } |
3265 | ||
3266 | /* Emit pending variable definitions. This is called after we see the | |
3267 | N_LBRAC that starts the block. */ | |
3268 | ||
b34976b6 | 3269 | static bfd_boolean |
2da42df6 | 3270 | stab_emit_pending_vars (void *dhandle, struct stab_handle *info) |
252b5132 RH |
3271 | { |
3272 | struct stab_pending_var *v; | |
3273 | ||
3274 | v = info->pending; | |
3275 | while (v != NULL) | |
3276 | { | |
3277 | struct stab_pending_var *next; | |
3278 | ||
3279 | if (! debug_record_variable (dhandle, v->name, v->type, v->kind, v->val)) | |
b34976b6 | 3280 | return FALSE; |
252b5132 RH |
3281 | |
3282 | next = v->next; | |
3283 | free (v); | |
3284 | v = next; | |
3285 | } | |
3286 | ||
3287 | info->pending = NULL; | |
3288 | ||
b34976b6 | 3289 | return TRUE; |
252b5132 RH |
3290 | } |
3291 | ||
3292 | /* Find the slot for a type in the database. */ | |
3293 | ||
3294 | static debug_type * | |
2da42df6 | 3295 | stab_find_slot (struct stab_handle *info, const int *typenums) |
252b5132 RH |
3296 | { |
3297 | int filenum; | |
91d6fa6a | 3298 | int tindex; |
252b5132 RH |
3299 | struct stab_types **ps; |
3300 | ||
3301 | filenum = typenums[0]; | |
91d6fa6a | 3302 | tindex = typenums[1]; |
252b5132 RH |
3303 | |
3304 | if (filenum < 0 || (unsigned int) filenum >= info->files) | |
3305 | { | |
3306 | fprintf (stderr, _("Type file number %d out of range\n"), filenum); | |
3307 | return NULL; | |
3308 | } | |
91d6fa6a | 3309 | if (tindex < 0) |
252b5132 | 3310 | { |
91d6fa6a | 3311 | fprintf (stderr, _("Type index number %d out of range\n"), tindex); |
252b5132 RH |
3312 | return NULL; |
3313 | } | |
3314 | ||
3315 | ps = info->file_types + filenum; | |
3316 | ||
91d6fa6a | 3317 | while (tindex >= STAB_TYPES_SLOTS) |
252b5132 RH |
3318 | { |
3319 | if (*ps == NULL) | |
3320 | { | |
3321 | *ps = (struct stab_types *) xmalloc (sizeof **ps); | |
3322 | memset (*ps, 0, sizeof **ps); | |
3323 | } | |
3324 | ps = &(*ps)->next; | |
91d6fa6a | 3325 | tindex -= STAB_TYPES_SLOTS; |
252b5132 RH |
3326 | } |
3327 | if (*ps == NULL) | |
3328 | { | |
3329 | *ps = (struct stab_types *) xmalloc (sizeof **ps); | |
3330 | memset (*ps, 0, sizeof **ps); | |
3331 | } | |
3332 | ||
91d6fa6a | 3333 | return (*ps)->types + tindex; |
252b5132 RH |
3334 | } |
3335 | ||
3336 | /* Find a type given a type number. If the type has not been | |
3337 | allocated yet, create an indirect type. */ | |
3338 | ||
3339 | static debug_type | |
2da42df6 | 3340 | stab_find_type (void *dhandle, struct stab_handle *info, const int *typenums) |
252b5132 RH |
3341 | { |
3342 | debug_type *slot; | |
3343 | ||
3344 | if (typenums[0] == 0 && typenums[1] < 0) | |
3345 | { | |
3346 | /* A negative type number indicates an XCOFF builtin type. */ | |
3347 | return stab_xcoff_builtin_type (dhandle, info, typenums[1]); | |
3348 | } | |
3349 | ||
3350 | slot = stab_find_slot (info, typenums); | |
3351 | if (slot == NULL) | |
3352 | return DEBUG_TYPE_NULL; | |
3353 | ||
3354 | if (*slot == DEBUG_TYPE_NULL) | |
3355 | return debug_make_indirect_type (dhandle, slot, (const char *) NULL); | |
3356 | ||
3357 | return *slot; | |
3358 | } | |
3359 | ||
3360 | /* Record that a given type number refers to a given type. */ | |
3361 | ||
b34976b6 | 3362 | static bfd_boolean |
2da42df6 AJ |
3363 | stab_record_type (void *dhandle ATTRIBUTE_UNUSED, struct stab_handle *info, |
3364 | const int *typenums, debug_type type) | |
252b5132 RH |
3365 | { |
3366 | debug_type *slot; | |
3367 | ||
3368 | slot = stab_find_slot (info, typenums); | |
3369 | if (slot == NULL) | |
b34976b6 | 3370 | return FALSE; |
252b5132 RH |
3371 | |
3372 | /* gdb appears to ignore type redefinitions, so we do as well. */ | |
3373 | ||
3374 | *slot = type; | |
3375 | ||
b34976b6 | 3376 | return TRUE; |
252b5132 RH |
3377 | } |
3378 | ||
3379 | /* Return an XCOFF builtin type. */ | |
3380 | ||
3381 | static debug_type | |
2da42df6 AJ |
3382 | stab_xcoff_builtin_type (void *dhandle, struct stab_handle *info, |
3383 | int typenum) | |
252b5132 RH |
3384 | { |
3385 | debug_type rettype; | |
3386 | const char *name; | |
3387 | ||
3388 | if (typenum >= 0 || typenum < -XCOFF_TYPE_COUNT) | |
3389 | { | |
3390 | fprintf (stderr, _("Unrecognized XCOFF type %d\n"), typenum); | |
3391 | return DEBUG_TYPE_NULL; | |
3392 | } | |
3393 | if (info->xcoff_types[-typenum] != NULL) | |
3394 | return info->xcoff_types[-typenum]; | |
3395 | ||
3396 | switch (-typenum) | |
3397 | { | |
3398 | case 1: | |
3399 | /* The size of this and all the other types are fixed, defined | |
3400 | by the debugging format. */ | |
3401 | name = "int"; | |
b34976b6 | 3402 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3403 | break; |
3404 | case 2: | |
3405 | name = "char"; | |
b34976b6 | 3406 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3407 | break; |
3408 | case 3: | |
3409 | name = "short"; | |
b34976b6 | 3410 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3411 | break; |
3412 | case 4: | |
3413 | name = "long"; | |
b34976b6 | 3414 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3415 | break; |
3416 | case 5: | |
3417 | name = "unsigned char"; | |
b34976b6 | 3418 | rettype = debug_make_int_type (dhandle, 1, TRUE); |
252b5132 RH |
3419 | break; |
3420 | case 6: | |
3421 | name = "signed char"; | |
b34976b6 | 3422 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3423 | break; |
3424 | case 7: | |
3425 | name = "unsigned short"; | |
b34976b6 | 3426 | rettype = debug_make_int_type (dhandle, 2, TRUE); |
252b5132 RH |
3427 | break; |
3428 | case 8: | |
3429 | name = "unsigned int"; | |
b34976b6 | 3430 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3431 | break; |
3432 | case 9: | |
3433 | name = "unsigned"; | |
b34976b6 | 3434 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
2b804145 | 3435 | break; |
252b5132 RH |
3436 | case 10: |
3437 | name = "unsigned long"; | |
b34976b6 | 3438 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3439 | break; |
3440 | case 11: | |
3441 | name = "void"; | |
3442 | rettype = debug_make_void_type (dhandle); | |
3443 | break; | |
3444 | case 12: | |
3445 | /* IEEE single precision (32 bit). */ | |
3446 | name = "float"; | |
3447 | rettype = debug_make_float_type (dhandle, 4); | |
3448 | break; | |
3449 | case 13: | |
3450 | /* IEEE double precision (64 bit). */ | |
3451 | name = "double"; | |
3452 | rettype = debug_make_float_type (dhandle, 8); | |
3453 | break; | |
3454 | case 14: | |
3455 | /* This is an IEEE double on the RS/6000, and different machines | |
3456 | with different sizes for "long double" should use different | |
3457 | negative type numbers. See stabs.texinfo. */ | |
3458 | name = "long double"; | |
3459 | rettype = debug_make_float_type (dhandle, 8); | |
3460 | break; | |
3461 | case 15: | |
3462 | name = "integer"; | |
b34976b6 | 3463 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3464 | break; |
3465 | case 16: | |
3466 | name = "boolean"; | |
3467 | rettype = debug_make_bool_type (dhandle, 4); | |
3468 | break; | |
3469 | case 17: | |
3470 | name = "short real"; | |
3471 | rettype = debug_make_float_type (dhandle, 4); | |
3472 | break; | |
3473 | case 18: | |
3474 | name = "real"; | |
3475 | rettype = debug_make_float_type (dhandle, 8); | |
3476 | break; | |
3477 | case 19: | |
3478 | /* FIXME */ | |
3479 | name = "stringptr"; | |
3480 | rettype = NULL; | |
3481 | break; | |
3482 | case 20: | |
3483 | /* FIXME */ | |
3484 | name = "character"; | |
b34976b6 | 3485 | rettype = debug_make_int_type (dhandle, 1, TRUE); |
252b5132 RH |
3486 | break; |
3487 | case 21: | |
3488 | name = "logical*1"; | |
3489 | rettype = debug_make_bool_type (dhandle, 1); | |
3490 | break; | |
3491 | case 22: | |
3492 | name = "logical*2"; | |
3493 | rettype = debug_make_bool_type (dhandle, 2); | |
3494 | break; | |
3495 | case 23: | |
3496 | name = "logical*4"; | |
3497 | rettype = debug_make_bool_type (dhandle, 4); | |
3498 | break; | |
3499 | case 24: | |
3500 | name = "logical"; | |
3501 | rettype = debug_make_bool_type (dhandle, 4); | |
3502 | break; | |
3503 | case 25: | |
3504 | /* Complex type consisting of two IEEE single precision values. */ | |
3505 | name = "complex"; | |
3506 | rettype = debug_make_complex_type (dhandle, 8); | |
3507 | break; | |
3508 | case 26: | |
3509 | /* Complex type consisting of two IEEE double precision values. */ | |
3510 | name = "double complex"; | |
3511 | rettype = debug_make_complex_type (dhandle, 16); | |
3512 | break; | |
3513 | case 27: | |
3514 | name = "integer*1"; | |
b34976b6 | 3515 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3516 | break; |
3517 | case 28: | |
3518 | name = "integer*2"; | |
b34976b6 | 3519 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3520 | break; |
3521 | case 29: | |
3522 | name = "integer*4"; | |
b34976b6 | 3523 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3524 | break; |
3525 | case 30: | |
3526 | /* FIXME */ | |
3527 | name = "wchar"; | |
b34976b6 | 3528 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3529 | break; |
3530 | case 31: | |
3531 | name = "long long"; | |
b34976b6 | 3532 | rettype = debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
3533 | break; |
3534 | case 32: | |
3535 | name = "unsigned long long"; | |
b34976b6 | 3536 | rettype = debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
3537 | break; |
3538 | case 33: | |
3539 | name = "logical*8"; | |
3540 | rettype = debug_make_bool_type (dhandle, 8); | |
3541 | break; | |
3542 | case 34: | |
3543 | name = "integer*8"; | |
b34976b6 | 3544 | rettype = debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
3545 | break; |
3546 | default: | |
3547 | abort (); | |
3548 | } | |
3549 | ||
3550 | rettype = debug_name_type (dhandle, name, rettype); | |
3551 | ||
3552 | info->xcoff_types[-typenum] = rettype; | |
3553 | ||
3554 | return rettype; | |
3555 | } | |
3556 | ||
3557 | /* Find or create a tagged type. */ | |
3558 | ||
3559 | static debug_type | |
2da42df6 AJ |
3560 | stab_find_tagged_type (void *dhandle, struct stab_handle *info, |
3561 | const char *p, int len, enum debug_type_kind kind) | |
252b5132 RH |
3562 | { |
3563 | char *name; | |
3564 | debug_type dtype; | |
3565 | struct stab_tag *st; | |
3566 | ||
3567 | name = savestring (p, len); | |
3568 | ||
3569 | /* We pass DEBUG_KIND_ILLEGAL because we want all tags in the same | |
3570 | namespace. This is right for C, and I don't know how to handle | |
3571 | other languages. FIXME. */ | |
3572 | dtype = debug_find_tagged_type (dhandle, name, DEBUG_KIND_ILLEGAL); | |
3573 | if (dtype != DEBUG_TYPE_NULL) | |
3574 | { | |
3575 | free (name); | |
3576 | return dtype; | |
3577 | } | |
3578 | ||
3579 | /* We need to allocate an entry on the undefined tag list. */ | |
3580 | for (st = info->tags; st != NULL; st = st->next) | |
3581 | { | |
3582 | if (st->name[0] == name[0] | |
3583 | && strcmp (st->name, name) == 0) | |
3584 | { | |
3585 | if (st->kind == DEBUG_KIND_ILLEGAL) | |
3586 | st->kind = kind; | |
3587 | free (name); | |
3588 | break; | |
3589 | } | |
3590 | } | |
3591 | if (st == NULL) | |
3592 | { | |
3593 | st = (struct stab_tag *) xmalloc (sizeof *st); | |
3594 | memset (st, 0, sizeof *st); | |
3595 | ||
3596 | st->next = info->tags; | |
3597 | st->name = name; | |
3598 | st->kind = kind; | |
3599 | st->slot = DEBUG_TYPE_NULL; | |
3600 | st->type = debug_make_indirect_type (dhandle, &st->slot, name); | |
3601 | info->tags = st; | |
3602 | } | |
3603 | ||
3604 | return st->type; | |
3605 | } | |
3606 | \f | |
3607 | /* In order to get the correct argument types for a stubbed method, we | |
3608 | need to extract the argument types from a C++ mangled string. | |
3609 | Since the argument types can refer back to the return type, this | |
3610 | means that we must demangle the entire physical name. In gdb this | |
3611 | is done by calling cplus_demangle and running the results back | |
3612 | through the C++ expression parser. Since we have no expression | |
3613 | parser, we must duplicate much of the work of cplus_demangle here. | |
3614 | ||
3615 | We assume that GNU style demangling is used, since this is only | |
3616 | done for method stubs, and only g++ should output that form of | |
3617 | debugging information. */ | |
3618 | ||
3619 | /* This structure is used to hold a pointer to type information which | |
3620 | demangling a string. */ | |
3621 | ||
3622 | struct stab_demangle_typestring | |
3623 | { | |
3624 | /* The start of the type. This is not null terminated. */ | |
3625 | const char *typestring; | |
3626 | /* The length of the type. */ | |
3627 | unsigned int len; | |
3628 | }; | |
3629 | ||
3630 | /* This structure is used to hold information while demangling a | |
3631 | string. */ | |
3632 | ||
3633 | struct stab_demangle_info | |
3634 | { | |
3635 | /* The debugging information handle. */ | |
2da42df6 | 3636 | void *dhandle; |
252b5132 RH |
3637 | /* The stab information handle. */ |
3638 | struct stab_handle *info; | |
3639 | /* The array of arguments we are building. */ | |
3640 | debug_type *args; | |
3641 | /* Whether the method takes a variable number of arguments. */ | |
b34976b6 | 3642 | bfd_boolean varargs; |
252b5132 RH |
3643 | /* The array of types we have remembered. */ |
3644 | struct stab_demangle_typestring *typestrings; | |
3645 | /* The number of typestrings. */ | |
3646 | unsigned int typestring_count; | |
3647 | /* The number of typestring slots we have allocated. */ | |
3648 | unsigned int typestring_alloc; | |
3649 | }; | |
3650 | ||
2da42df6 AJ |
3651 | static void stab_bad_demangle (const char *); |
3652 | static unsigned int stab_demangle_count (const char **); | |
3653 | static bfd_boolean stab_demangle_get_count (const char **, unsigned int *); | |
b34976b6 | 3654 | static bfd_boolean stab_demangle_prefix |
2da42df6 | 3655 | (struct stab_demangle_info *, const char **, unsigned int); |
b34976b6 | 3656 | static bfd_boolean stab_demangle_function_name |
2da42df6 | 3657 | (struct stab_demangle_info *, const char **, const char *); |
b34976b6 | 3658 | static bfd_boolean stab_demangle_signature |
2da42df6 | 3659 | (struct stab_demangle_info *, const char **); |
b34976b6 | 3660 | static bfd_boolean stab_demangle_qualified |
2da42df6 | 3661 | (struct stab_demangle_info *, const char **, debug_type *); |
b34976b6 | 3662 | static bfd_boolean stab_demangle_template |
2da42df6 | 3663 | (struct stab_demangle_info *, const char **, char **); |
b34976b6 | 3664 | static bfd_boolean stab_demangle_class |
2da42df6 | 3665 | (struct stab_demangle_info *, const char **, const char **); |
b34976b6 | 3666 | static bfd_boolean stab_demangle_args |
2da42df6 | 3667 | (struct stab_demangle_info *, const char **, debug_type **, bfd_boolean *); |
b34976b6 | 3668 | static bfd_boolean stab_demangle_arg |
2da42df6 AJ |
3669 | (struct stab_demangle_info *, const char **, debug_type **, |
3670 | unsigned int *, unsigned int *); | |
b34976b6 | 3671 | static bfd_boolean stab_demangle_type |
2da42df6 | 3672 | (struct stab_demangle_info *, const char **, debug_type *); |
b34976b6 | 3673 | static bfd_boolean stab_demangle_fund_type |
2da42df6 | 3674 | (struct stab_demangle_info *, const char **, debug_type *); |
b34976b6 | 3675 | static bfd_boolean stab_demangle_remember_type |
2da42df6 | 3676 | (struct stab_demangle_info *, const char *, int); |
252b5132 RH |
3677 | |
3678 | /* Warn about a bad demangling. */ | |
3679 | ||
3680 | static void | |
2da42df6 | 3681 | stab_bad_demangle (const char *s) |
252b5132 RH |
3682 | { |
3683 | fprintf (stderr, _("bad mangled name `%s'\n"), s); | |
3684 | } | |
3685 | ||
3686 | /* Get a count from a stab string. */ | |
3687 | ||
3688 | static unsigned int | |
2da42df6 | 3689 | stab_demangle_count (const char **pp) |
252b5132 RH |
3690 | { |
3691 | unsigned int count; | |
3692 | ||
3693 | count = 0; | |
3882b010 | 3694 | while (ISDIGIT (**pp)) |
252b5132 RH |
3695 | { |
3696 | count *= 10; | |
3697 | count += **pp - '0'; | |
3698 | ++*pp; | |
3699 | } | |
3700 | return count; | |
3701 | } | |
3702 | ||
3703 | /* Require a count in a string. The count may be multiple digits, in | |
3704 | which case it must end in an underscore. */ | |
3705 | ||
b34976b6 | 3706 | static bfd_boolean |
2da42df6 | 3707 | stab_demangle_get_count (const char **pp, unsigned int *pi) |
252b5132 | 3708 | { |
3882b010 | 3709 | if (! ISDIGIT (**pp)) |
b34976b6 | 3710 | return FALSE; |
252b5132 RH |
3711 | |
3712 | *pi = **pp - '0'; | |
3713 | ++*pp; | |
3882b010 | 3714 | if (ISDIGIT (**pp)) |
252b5132 RH |
3715 | { |
3716 | unsigned int count; | |
3717 | const char *p; | |
3718 | ||
3719 | count = *pi; | |
3720 | p = *pp; | |
3721 | do | |
3722 | { | |
3723 | count *= 10; | |
3724 | count += *p - '0'; | |
3725 | ++p; | |
3726 | } | |
3882b010 | 3727 | while (ISDIGIT (*p)); |
252b5132 RH |
3728 | if (*p == '_') |
3729 | { | |
3730 | *pp = p + 1; | |
3731 | *pi = count; | |
3732 | } | |
3733 | } | |
3734 | ||
b34976b6 | 3735 | return TRUE; |
252b5132 RH |
3736 | } |
3737 | ||
3738 | /* This function demangles a physical name, returning a NULL | |
3739 | terminated array of argument types. */ | |
3740 | ||
3741 | static debug_type * | |
2da42df6 AJ |
3742 | stab_demangle_argtypes (void *dhandle, struct stab_handle *info, |
3743 | const char *physname, bfd_boolean *pvarargs, | |
3744 | unsigned int physname_len) | |
252b5132 RH |
3745 | { |
3746 | struct stab_demangle_info minfo; | |
3747 | ||
041821e6 ILT |
3748 | /* Check for the g++ V3 ABI. */ |
3749 | if (physname[0] == '_' && physname[1] == 'Z') | |
3750 | return stab_demangle_v3_argtypes (dhandle, info, physname, pvarargs); | |
3751 | ||
252b5132 RH |
3752 | minfo.dhandle = dhandle; |
3753 | minfo.info = info; | |
3754 | minfo.args = NULL; | |
b34976b6 | 3755 | minfo.varargs = FALSE; |
252b5132 RH |
3756 | minfo.typestring_alloc = 10; |
3757 | minfo.typestrings = ((struct stab_demangle_typestring *) | |
3758 | xmalloc (minfo.typestring_alloc | |
3759 | * sizeof *minfo.typestrings)); | |
3760 | minfo.typestring_count = 0; | |
3761 | ||
3762 | /* cplus_demangle checks for special GNU mangled forms, but we can't | |
3763 | see any of them in mangled method argument types. */ | |
3764 | ||
4b73ca92 | 3765 | if (! stab_demangle_prefix (&minfo, &physname, physname_len)) |
252b5132 RH |
3766 | goto error_return; |
3767 | ||
3768 | if (*physname != '\0') | |
3769 | { | |
3770 | if (! stab_demangle_signature (&minfo, &physname)) | |
3771 | goto error_return; | |
3772 | } | |
3773 | ||
3774 | free (minfo.typestrings); | |
3775 | minfo.typestrings = NULL; | |
3776 | ||
3777 | if (minfo.args == NULL) | |
3778 | fprintf (stderr, _("no argument types in mangled string\n")); | |
3779 | ||
3780 | *pvarargs = minfo.varargs; | |
3781 | return minfo.args; | |
3782 | ||
3783 | error_return: | |
3784 | if (minfo.typestrings != NULL) | |
3785 | free (minfo.typestrings); | |
3786 | return NULL; | |
3787 | } | |
3788 | ||
3789 | /* Demangle the prefix of the mangled name. */ | |
3790 | ||
b34976b6 | 3791 | static bfd_boolean |
2da42df6 AJ |
3792 | stab_demangle_prefix (struct stab_demangle_info *minfo, const char **pp, |
3793 | unsigned int physname_len) | |
252b5132 RH |
3794 | { |
3795 | const char *scan; | |
3796 | unsigned int i; | |
3797 | ||
3798 | /* cplus_demangle checks for global constructors and destructors, | |
3799 | but we can't see them in mangled argument types. */ | |
3800 | ||
4b73ca92 NC |
3801 | if (physname_len) |
3802 | scan = *pp + physname_len; | |
3803 | else | |
252b5132 | 3804 | { |
4b73ca92 NC |
3805 | /* Look for `__'. */ |
3806 | scan = *pp; | |
3807 | do | |
3808 | scan = strchr (scan, '_'); | |
3809 | while (scan != NULL && *++scan != '_'); | |
252b5132 | 3810 | |
4b73ca92 NC |
3811 | if (scan == NULL) |
3812 | { | |
3813 | stab_bad_demangle (*pp); | |
b34976b6 | 3814 | return FALSE; |
4b73ca92 | 3815 | } |
252b5132 | 3816 | |
4b73ca92 | 3817 | --scan; |
252b5132 | 3818 | |
4b73ca92 NC |
3819 | /* We found `__'; move ahead to the last contiguous `__' pair. */ |
3820 | i = strspn (scan, "_"); | |
3821 | if (i > 2) | |
3822 | scan += i - 2; | |
3823 | } | |
252b5132 RH |
3824 | |
3825 | if (scan == *pp | |
3882b010 | 3826 | && (ISDIGIT (scan[2]) |
252b5132 RH |
3827 | || scan[2] == 'Q' |
3828 | || scan[2] == 't')) | |
3829 | { | |
3830 | /* This is a GNU style constructor name. */ | |
3831 | *pp = scan + 2; | |
b34976b6 | 3832 | return TRUE; |
252b5132 RH |
3833 | } |
3834 | else if (scan == *pp | |
3882b010 | 3835 | && ! ISDIGIT (scan[2]) |
252b5132 RH |
3836 | && scan[2] != 't') |
3837 | { | |
3838 | /* Look for the `__' that separates the prefix from the | |
3839 | signature. */ | |
3840 | while (*scan == '_') | |
3841 | ++scan; | |
3842 | scan = strstr (scan, "__"); | |
3843 | if (scan == NULL || scan[2] == '\0') | |
3844 | { | |
3845 | stab_bad_demangle (*pp); | |
b34976b6 | 3846 | return FALSE; |
252b5132 RH |
3847 | } |
3848 | ||
3849 | return stab_demangle_function_name (minfo, pp, scan); | |
3850 | } | |
3851 | else if (scan[2] != '\0') | |
3852 | { | |
3853 | /* The name doesn't start with `__', but it does contain `__'. */ | |
3854 | return stab_demangle_function_name (minfo, pp, scan); | |
3855 | } | |
3856 | else | |
3857 | { | |
3858 | stab_bad_demangle (*pp); | |
b34976b6 | 3859 | return FALSE; |
252b5132 RH |
3860 | } |
3861 | /*NOTREACHED*/ | |
3862 | } | |
3863 | ||
3864 | /* Demangle a function name prefix. The scan argument points to the | |
3865 | double underscore which separates the function name from the | |
3866 | signature. */ | |
3867 | ||
b34976b6 | 3868 | static bfd_boolean |
2da42df6 AJ |
3869 | stab_demangle_function_name (struct stab_demangle_info *minfo, |
3870 | const char **pp, const char *scan) | |
252b5132 RH |
3871 | { |
3872 | const char *name; | |
3873 | ||
3874 | /* The string from *pp to scan is the name of the function. We | |
3875 | don't care about the name, since we just looking for argument | |
3876 | types. However, for conversion operators, the name may include a | |
3877 | type which we must remember in order to handle backreferences. */ | |
3878 | ||
3879 | name = *pp; | |
3880 | *pp = scan + 2; | |
3881 | ||
3882 | if (*pp - name >= 5 | |
0112cd26 | 3883 | && CONST_STRNEQ (name, "type") |
252b5132 RH |
3884 | && (name[4] == '$' || name[4] == '.')) |
3885 | { | |
3886 | const char *tem; | |
3887 | ||
3888 | /* This is a type conversion operator. */ | |
3889 | tem = name + 5; | |
3890 | if (! stab_demangle_type (minfo, &tem, (debug_type *) NULL)) | |
b34976b6 | 3891 | return FALSE; |
252b5132 RH |
3892 | } |
3893 | else if (name[0] == '_' | |
3894 | && name[1] == '_' | |
3895 | && name[2] == 'o' | |
3896 | && name[3] == 'p') | |
3897 | { | |
3898 | const char *tem; | |
3899 | ||
3900 | /* This is a type conversion operator. */ | |
3901 | tem = name + 4; | |
3902 | if (! stab_demangle_type (minfo, &tem, (debug_type *) NULL)) | |
b34976b6 | 3903 | return FALSE; |
252b5132 RH |
3904 | } |
3905 | ||
b34976b6 | 3906 | return TRUE; |
252b5132 RH |
3907 | } |
3908 | ||
3909 | /* Demangle the signature. This is where the argument types are | |
3910 | found. */ | |
3911 | ||
b34976b6 | 3912 | static bfd_boolean |
2da42df6 | 3913 | stab_demangle_signature (struct stab_demangle_info *minfo, const char **pp) |
252b5132 RH |
3914 | { |
3915 | const char *orig; | |
b34976b6 | 3916 | bfd_boolean expect_func, func_done; |
252b5132 RH |
3917 | const char *hold; |
3918 | ||
3919 | orig = *pp; | |
3920 | ||
b34976b6 AM |
3921 | expect_func = FALSE; |
3922 | func_done = FALSE; | |
252b5132 RH |
3923 | hold = NULL; |
3924 | ||
3925 | while (**pp != '\0') | |
3926 | { | |
3927 | switch (**pp) | |
3928 | { | |
3929 | case 'Q': | |
3930 | hold = *pp; | |
3931 | if (! stab_demangle_qualified (minfo, pp, (debug_type *) NULL) | |
3932 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 AM |
3933 | return FALSE; |
3934 | expect_func = TRUE; | |
252b5132 RH |
3935 | hold = NULL; |
3936 | break; | |
3937 | ||
3938 | case 'S': | |
3939 | /* Static member function. FIXME: Can this happen? */ | |
3940 | if (hold == NULL) | |
3941 | hold = *pp; | |
3942 | ++*pp; | |
3943 | break; | |
3944 | ||
3945 | case 'C': | |
3946 | /* Const member function. */ | |
3947 | if (hold == NULL) | |
3948 | hold = *pp; | |
3949 | ++*pp; | |
3950 | break; | |
3951 | ||
3952 | case '0': case '1': case '2': case '3': case '4': | |
3953 | case '5': case '6': case '7': case '8': case '9': | |
3954 | if (hold == NULL) | |
3955 | hold = *pp; | |
3956 | if (! stab_demangle_class (minfo, pp, (const char **) NULL) | |
3957 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 AM |
3958 | return FALSE; |
3959 | expect_func = TRUE; | |
252b5132 RH |
3960 | hold = NULL; |
3961 | break; | |
3962 | ||
3963 | case 'F': | |
3964 | /* Function. I don't know if this actually happens with g++ | |
3965 | output. */ | |
3966 | hold = NULL; | |
b34976b6 | 3967 | func_done = TRUE; |
252b5132 RH |
3968 | ++*pp; |
3969 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) | |
b34976b6 | 3970 | return FALSE; |
252b5132 RH |
3971 | break; |
3972 | ||
3973 | case 't': | |
3974 | /* Template. */ | |
3975 | if (hold == NULL) | |
3976 | hold = *pp; | |
3977 | if (! stab_demangle_template (minfo, pp, (char **) NULL) | |
3978 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 | 3979 | return FALSE; |
252b5132 | 3980 | hold = NULL; |
b34976b6 | 3981 | expect_func = TRUE; |
252b5132 RH |
3982 | break; |
3983 | ||
3984 | case '_': | |
3985 | /* At the outermost level, we cannot have a return type | |
3986 | specified, so if we run into another '_' at this point we | |
3987 | are dealing with a mangled name that is either bogus, or | |
3988 | has been mangled by some algorithm we don't know how to | |
3989 | deal with. So just reject the entire demangling. */ | |
3990 | stab_bad_demangle (orig); | |
b34976b6 | 3991 | return FALSE; |
252b5132 RH |
3992 | |
3993 | default: | |
3994 | /* Assume we have stumbled onto the first outermost function | |
3995 | argument token, and start processing args. */ | |
b34976b6 | 3996 | func_done = TRUE; |
252b5132 | 3997 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) |
b34976b6 | 3998 | return FALSE; |
252b5132 RH |
3999 | break; |
4000 | } | |
4001 | ||
4002 | if (expect_func) | |
4003 | { | |
b34976b6 | 4004 | func_done = TRUE; |
252b5132 | 4005 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) |
b34976b6 | 4006 | return FALSE; |
252b5132 RH |
4007 | } |
4008 | } | |
4009 | ||
4010 | if (! func_done) | |
4011 | { | |
4012 | /* With GNU style demangling, bar__3foo is 'foo::bar(void)', and | |
4013 | bar__3fooi is 'foo::bar(int)'. We get here when we find the | |
4014 | first case, and need to ensure that the '(void)' gets added | |
4015 | to the current declp. */ | |
4016 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) | |
b34976b6 | 4017 | return FALSE; |
252b5132 RH |
4018 | } |
4019 | ||
b34976b6 | 4020 | return TRUE; |
252b5132 RH |
4021 | } |
4022 | ||
4023 | /* Demangle a qualified name, such as "Q25Outer5Inner" which is the | |
4024 | mangled form of "Outer::Inner". */ | |
4025 | ||
b34976b6 | 4026 | static bfd_boolean |
2da42df6 AJ |
4027 | stab_demangle_qualified (struct stab_demangle_info *minfo, const char **pp, |
4028 | debug_type *ptype) | |
252b5132 RH |
4029 | { |
4030 | const char *orig; | |
4031 | const char *p; | |
4032 | unsigned int qualifiers; | |
4033 | debug_type context; | |
4034 | ||
4035 | orig = *pp; | |
4036 | ||
4037 | switch ((*pp)[1]) | |
4038 | { | |
4039 | case '_': | |
4040 | /* GNU mangled name with more than 9 classes. The count is | |
4041 | preceded by an underscore (to distinguish it from the <= 9 | |
4042 | case) and followed by an underscore. */ | |
4043 | p = *pp + 2; | |
3882b010 | 4044 | if (! ISDIGIT (*p) || *p == '0') |
252b5132 RH |
4045 | { |
4046 | stab_bad_demangle (orig); | |
b34976b6 | 4047 | return FALSE; |
252b5132 RH |
4048 | } |
4049 | qualifiers = atoi (p); | |
3882b010 | 4050 | while (ISDIGIT (*p)) |
252b5132 RH |
4051 | ++p; |
4052 | if (*p != '_') | |
4053 | { | |
4054 | stab_bad_demangle (orig); | |
b34976b6 | 4055 | return FALSE; |
252b5132 RH |
4056 | } |
4057 | *pp = p + 1; | |
4058 | break; | |
4059 | ||
4060 | case '1': case '2': case '3': case '4': case '5': | |
4061 | case '6': case '7': case '8': case '9': | |
4062 | qualifiers = (*pp)[1] - '0'; | |
4063 | /* Skip an optional underscore after the count. */ | |
4064 | if ((*pp)[2] == '_') | |
4065 | ++*pp; | |
4066 | *pp += 2; | |
4067 | break; | |
4068 | ||
4069 | case '0': | |
4070 | default: | |
4071 | stab_bad_demangle (orig); | |
b34976b6 | 4072 | return FALSE; |
252b5132 RH |
4073 | } |
4074 | ||
4075 | context = DEBUG_TYPE_NULL; | |
4076 | ||
4077 | /* Pick off the names. */ | |
4078 | while (qualifiers-- > 0) | |
4079 | { | |
4080 | if (**pp == '_') | |
4081 | ++*pp; | |
4082 | if (**pp == 't') | |
4083 | { | |
4084 | char *name; | |
4085 | ||
4086 | if (! stab_demangle_template (minfo, pp, | |
4087 | ptype != NULL ? &name : NULL)) | |
b34976b6 | 4088 | return FALSE; |
252b5132 RH |
4089 | |
4090 | if (ptype != NULL) | |
4091 | { | |
4092 | context = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
4093 | name, strlen (name), | |
4094 | DEBUG_KIND_CLASS); | |
4095 | free (name); | |
4096 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 4097 | return FALSE; |
252b5132 RH |
4098 | } |
4099 | } | |
4100 | else | |
4101 | { | |
4102 | unsigned int len; | |
4103 | ||
4104 | len = stab_demangle_count (pp); | |
4105 | if (strlen (*pp) < len) | |
4106 | { | |
4107 | stab_bad_demangle (orig); | |
b34976b6 | 4108 | return FALSE; |
252b5132 RH |
4109 | } |
4110 | ||
4111 | if (ptype != NULL) | |
4112 | { | |
4113 | const debug_field *fields; | |
4114 | ||
4115 | fields = NULL; | |
4116 | if (context != DEBUG_TYPE_NULL) | |
4117 | fields = debug_get_fields (minfo->dhandle, context); | |
4118 | ||
4119 | context = DEBUG_TYPE_NULL; | |
4120 | ||
4121 | if (fields != NULL) | |
4122 | { | |
4123 | char *name; | |
4124 | ||
4125 | /* Try to find the type by looking through the | |
4126 | fields of context until we find a field with the | |
4127 | same type. This ought to work for a class | |
4128 | defined within a class, but it won't work for, | |
4129 | e.g., an enum defined within a class. stabs does | |
4130 | not give us enough information to figure out the | |
4131 | latter case. */ | |
4132 | ||
4133 | name = savestring (*pp, len); | |
4134 | ||
4135 | for (; *fields != DEBUG_FIELD_NULL; fields++) | |
4136 | { | |
4137 | debug_type ft; | |
4138 | const char *dn; | |
4139 | ||
4140 | ft = debug_get_field_type (minfo->dhandle, *fields); | |
4141 | if (ft == NULL) | |
1fcab1af NC |
4142 | { |
4143 | free (name); | |
4144 | return FALSE; | |
4145 | } | |
252b5132 RH |
4146 | dn = debug_get_type_name (minfo->dhandle, ft); |
4147 | if (dn != NULL && strcmp (dn, name) == 0) | |
4148 | { | |
4149 | context = ft; | |
4150 | break; | |
4151 | } | |
4152 | } | |
4153 | ||
4154 | free (name); | |
4155 | } | |
4156 | ||
4157 | if (context == DEBUG_TYPE_NULL) | |
4158 | { | |
4159 | /* We have to fall back on finding the type by name. | |
4160 | If there are more types to come, then this must | |
4161 | be a class. Otherwise, it could be anything. */ | |
4162 | ||
4163 | if (qualifiers == 0) | |
4164 | { | |
4165 | char *name; | |
4166 | ||
4167 | name = savestring (*pp, len); | |
4168 | context = debug_find_named_type (minfo->dhandle, | |
4169 | name); | |
4170 | free (name); | |
4171 | } | |
4172 | ||
4173 | if (context == DEBUG_TYPE_NULL) | |
4174 | { | |
4175 | context = stab_find_tagged_type (minfo->dhandle, | |
4176 | minfo->info, | |
4177 | *pp, len, | |
4178 | (qualifiers == 0 | |
4179 | ? DEBUG_KIND_ILLEGAL | |
4180 | : DEBUG_KIND_CLASS)); | |
4181 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 4182 | return FALSE; |
252b5132 RH |
4183 | } |
4184 | } | |
4185 | } | |
4186 | ||
4187 | *pp += len; | |
4188 | } | |
4189 | } | |
4190 | ||
4191 | if (ptype != NULL) | |
4192 | *ptype = context; | |
4193 | ||
b34976b6 | 4194 | return TRUE; |
252b5132 RH |
4195 | } |
4196 | ||
4197 | /* Demangle a template. If PNAME is not NULL, this sets *PNAME to a | |
4198 | string representation of the template. */ | |
4199 | ||
b34976b6 | 4200 | static bfd_boolean |
2da42df6 AJ |
4201 | stab_demangle_template (struct stab_demangle_info *minfo, const char **pp, |
4202 | char **pname) | |
252b5132 RH |
4203 | { |
4204 | const char *orig; | |
4205 | unsigned int r, i; | |
4206 | ||
4207 | orig = *pp; | |
4208 | ||
4209 | ++*pp; | |
4210 | ||
4211 | /* Skip the template name. */ | |
4212 | r = stab_demangle_count (pp); | |
4213 | if (r == 0 || strlen (*pp) < r) | |
4214 | { | |
4215 | stab_bad_demangle (orig); | |
b34976b6 | 4216 | return FALSE; |
252b5132 RH |
4217 | } |
4218 | *pp += r; | |
4219 | ||
4220 | /* Get the size of the parameter list. */ | |
4221 | if (stab_demangle_get_count (pp, &r) == 0) | |
4222 | { | |
4223 | stab_bad_demangle (orig); | |
b34976b6 | 4224 | return FALSE; |
252b5132 RH |
4225 | } |
4226 | ||
4227 | for (i = 0; i < r; i++) | |
4228 | { | |
4229 | if (**pp == 'Z') | |
4230 | { | |
4231 | /* This is a type parameter. */ | |
4232 | ++*pp; | |
4233 | if (! stab_demangle_type (minfo, pp, (debug_type *) NULL)) | |
b34976b6 | 4234 | return FALSE; |
252b5132 RH |
4235 | } |
4236 | else | |
4237 | { | |
4238 | const char *old_p; | |
b34976b6 AM |
4239 | bfd_boolean pointerp, realp, integralp, charp, boolp; |
4240 | bfd_boolean done; | |
252b5132 RH |
4241 | |
4242 | old_p = *pp; | |
b34976b6 AM |
4243 | pointerp = FALSE; |
4244 | realp = FALSE; | |
4245 | integralp = FALSE; | |
4246 | charp = FALSE; | |
4247 | boolp = FALSE; | |
4248 | done = FALSE; | |
252b5132 RH |
4249 | |
4250 | /* This is a value parameter. */ | |
4251 | ||
4252 | if (! stab_demangle_type (minfo, pp, (debug_type *) NULL)) | |
b34976b6 | 4253 | return FALSE; |
252b5132 RH |
4254 | |
4255 | while (*old_p != '\0' && ! done) | |
4256 | { | |
4257 | switch (*old_p) | |
4258 | { | |
4259 | case 'P': | |
4260 | case 'p': | |
4261 | case 'R': | |
b34976b6 AM |
4262 | pointerp = TRUE; |
4263 | done = TRUE; | |
252b5132 RH |
4264 | break; |
4265 | case 'C': /* Const. */ | |
4266 | case 'S': /* Signed. */ | |
4267 | case 'U': /* Unsigned. */ | |
4268 | case 'V': /* Volatile. */ | |
4269 | case 'F': /* Function. */ | |
4270 | case 'M': /* Member function. */ | |
4271 | case 'O': /* ??? */ | |
4272 | ++old_p; | |
4273 | break; | |
4274 | case 'Q': /* Qualified name. */ | |
b34976b6 AM |
4275 | integralp = TRUE; |
4276 | done = TRUE; | |
252b5132 RH |
4277 | break; |
4278 | case 'T': /* Remembered type. */ | |
4279 | abort (); | |
4280 | case 'v': /* Void. */ | |
4281 | abort (); | |
4282 | case 'x': /* Long long. */ | |
4283 | case 'l': /* Long. */ | |
4284 | case 'i': /* Int. */ | |
4285 | case 's': /* Short. */ | |
4286 | case 'w': /* Wchar_t. */ | |
b34976b6 AM |
4287 | integralp = TRUE; |
4288 | done = TRUE; | |
252b5132 RH |
4289 | break; |
4290 | case 'b': /* Bool. */ | |
b34976b6 AM |
4291 | boolp = TRUE; |
4292 | done = TRUE; | |
252b5132 RH |
4293 | break; |
4294 | case 'c': /* Char. */ | |
b34976b6 AM |
4295 | charp = TRUE; |
4296 | done = TRUE; | |
252b5132 RH |
4297 | break; |
4298 | case 'r': /* Long double. */ | |
4299 | case 'd': /* Double. */ | |
4300 | case 'f': /* Float. */ | |
b34976b6 AM |
4301 | realp = TRUE; |
4302 | done = TRUE; | |
252b5132 RH |
4303 | break; |
4304 | default: | |
4305 | /* Assume it's a user defined integral type. */ | |
b34976b6 AM |
4306 | integralp = TRUE; |
4307 | done = TRUE; | |
252b5132 RH |
4308 | break; |
4309 | } | |
4310 | } | |
4311 | ||
4312 | if (integralp) | |
4313 | { | |
4314 | if (**pp == 'm') | |
4315 | ++*pp; | |
3882b010 | 4316 | while (ISDIGIT (**pp)) |
252b5132 RH |
4317 | ++*pp; |
4318 | } | |
4319 | else if (charp) | |
4320 | { | |
4321 | unsigned int val; | |
4322 | ||
4323 | if (**pp == 'm') | |
4324 | ++*pp; | |
4325 | val = stab_demangle_count (pp); | |
4326 | if (val == 0) | |
4327 | { | |
4328 | stab_bad_demangle (orig); | |
b34976b6 | 4329 | return FALSE; |
252b5132 RH |
4330 | } |
4331 | } | |
4332 | else if (boolp) | |
4333 | { | |
4334 | unsigned int val; | |
4335 | ||
4336 | val = stab_demangle_count (pp); | |
4337 | if (val != 0 && val != 1) | |
4338 | { | |
4339 | stab_bad_demangle (orig); | |
b34976b6 | 4340 | return FALSE; |
252b5132 RH |
4341 | } |
4342 | } | |
4343 | else if (realp) | |
4344 | { | |
4345 | if (**pp == 'm') | |
4346 | ++*pp; | |
3882b010 | 4347 | while (ISDIGIT (**pp)) |
252b5132 RH |
4348 | ++*pp; |
4349 | if (**pp == '.') | |
4350 | { | |
4351 | ++*pp; | |
3882b010 | 4352 | while (ISDIGIT (**pp)) |
252b5132 RH |
4353 | ++*pp; |
4354 | } | |
4355 | if (**pp == 'e') | |
4356 | { | |
4357 | ++*pp; | |
3882b010 | 4358 | while (ISDIGIT (**pp)) |
252b5132 RH |
4359 | ++*pp; |
4360 | } | |
4361 | } | |
4362 | else if (pointerp) | |
4363 | { | |
4364 | unsigned int len; | |
4365 | ||
2b25cacb ILT |
4366 | len = stab_demangle_count (pp); |
4367 | if (len == 0) | |
252b5132 RH |
4368 | { |
4369 | stab_bad_demangle (orig); | |
b34976b6 | 4370 | return FALSE; |
252b5132 RH |
4371 | } |
4372 | *pp += len; | |
4373 | } | |
4374 | } | |
4375 | } | |
4376 | ||
4377 | /* We can translate this to a string fairly easily by invoking the | |
4378 | regular demangling routine. */ | |
4379 | if (pname != NULL) | |
4380 | { | |
d81d6584 | 4381 | char *s1, *s2, *s3, *s4 = NULL; |
252b5132 RH |
4382 | char *from, *to; |
4383 | ||
4384 | s1 = savestring (orig, *pp - orig); | |
4385 | ||
4386 | s2 = concat ("NoSuchStrinG__", s1, (const char *) NULL); | |
4387 | ||
4388 | free (s1); | |
4389 | ||
4390 | s3 = cplus_demangle (s2, DMGL_ANSI); | |
4391 | ||
4392 | free (s2); | |
4393 | ||
4394 | if (s3 != NULL) | |
4395 | s4 = strstr (s3, "::NoSuchStrinG"); | |
4396 | if (s3 == NULL || s4 == NULL) | |
4397 | { | |
4398 | stab_bad_demangle (orig); | |
4399 | if (s3 != NULL) | |
4400 | free (s3); | |
b34976b6 | 4401 | return FALSE; |
252b5132 RH |
4402 | } |
4403 | ||
4404 | /* Eliminating all spaces, except those between > characters, | |
4405 | makes it more likely that the demangled name will match the | |
4406 | name which g++ used as the structure name. */ | |
4407 | for (from = to = s3; from != s4; ++from) | |
4408 | if (*from != ' ' | |
4409 | || (from[1] == '>' && from > s3 && from[-1] == '>')) | |
4410 | *to++ = *from; | |
4411 | ||
4412 | *pname = savestring (s3, to - s3); | |
4413 | ||
4414 | free (s3); | |
4415 | } | |
4416 | ||
b34976b6 | 4417 | return TRUE; |
252b5132 RH |
4418 | } |
4419 | ||
4420 | /* Demangle a class name. */ | |
4421 | ||
b34976b6 | 4422 | static bfd_boolean |
2da42df6 AJ |
4423 | stab_demangle_class (struct stab_demangle_info *minfo ATTRIBUTE_UNUSED, |
4424 | const char **pp, const char **pstart) | |
252b5132 RH |
4425 | { |
4426 | const char *orig; | |
4427 | unsigned int n; | |
4428 | ||
4429 | orig = *pp; | |
4430 | ||
4431 | n = stab_demangle_count (pp); | |
4432 | if (strlen (*pp) < n) | |
4433 | { | |
4434 | stab_bad_demangle (orig); | |
b34976b6 | 4435 | return FALSE; |
252b5132 RH |
4436 | } |
4437 | ||
4438 | if (pstart != NULL) | |
4439 | *pstart = *pp; | |
4440 | ||
4441 | *pp += n; | |
4442 | ||
b34976b6 | 4443 | return TRUE; |
252b5132 RH |
4444 | } |
4445 | ||
4446 | /* Demangle function arguments. If the pargs argument is not NULL, it | |
4447 | is set to a NULL terminated array holding the arguments. */ | |
4448 | ||
b34976b6 | 4449 | static bfd_boolean |
2da42df6 AJ |
4450 | stab_demangle_args (struct stab_demangle_info *minfo, const char **pp, |
4451 | debug_type **pargs, bfd_boolean *pvarargs) | |
252b5132 RH |
4452 | { |
4453 | const char *orig; | |
4454 | unsigned int alloc, count; | |
4455 | ||
4456 | orig = *pp; | |
4457 | ||
4458 | alloc = 10; | |
4459 | if (pargs != NULL) | |
4460 | { | |
4461 | *pargs = (debug_type *) xmalloc (alloc * sizeof **pargs); | |
b34976b6 | 4462 | *pvarargs = FALSE; |
252b5132 RH |
4463 | } |
4464 | count = 0; | |
4465 | ||
4466 | while (**pp != '_' && **pp != '\0' && **pp != 'e') | |
4467 | { | |
4468 | if (**pp == 'N' || **pp == 'T') | |
4469 | { | |
4470 | char temptype; | |
4471 | unsigned int r, t; | |
4472 | ||
4473 | temptype = **pp; | |
4474 | ++*pp; | |
4475 | ||
4476 | if (temptype == 'T') | |
4477 | r = 1; | |
4478 | else | |
4479 | { | |
4480 | if (! stab_demangle_get_count (pp, &r)) | |
4481 | { | |
4482 | stab_bad_demangle (orig); | |
b34976b6 | 4483 | return FALSE; |
252b5132 RH |
4484 | } |
4485 | } | |
4486 | ||
4487 | if (! stab_demangle_get_count (pp, &t)) | |
4488 | { | |
4489 | stab_bad_demangle (orig); | |
b34976b6 | 4490 | return FALSE; |
252b5132 RH |
4491 | } |
4492 | ||
4493 | if (t >= minfo->typestring_count) | |
4494 | { | |
4495 | stab_bad_demangle (orig); | |
b34976b6 | 4496 | return FALSE; |
252b5132 RH |
4497 | } |
4498 | while (r-- > 0) | |
4499 | { | |
4500 | const char *tem; | |
4501 | ||
4502 | tem = minfo->typestrings[t].typestring; | |
4503 | if (! stab_demangle_arg (minfo, &tem, pargs, &count, &alloc)) | |
b34976b6 | 4504 | return FALSE; |
252b5132 RH |
4505 | } |
4506 | } | |
4507 | else | |
4508 | { | |
4509 | if (! stab_demangle_arg (minfo, pp, pargs, &count, &alloc)) | |
b34976b6 | 4510 | return FALSE; |
252b5132 RH |
4511 | } |
4512 | } | |
4513 | ||
4514 | if (pargs != NULL) | |
4515 | (*pargs)[count] = DEBUG_TYPE_NULL; | |
4516 | ||
4517 | if (**pp == 'e') | |
4518 | { | |
4519 | if (pargs != NULL) | |
b34976b6 | 4520 | *pvarargs = TRUE; |
252b5132 RH |
4521 | ++*pp; |
4522 | } | |
4523 | ||
b34976b6 | 4524 | return TRUE; |
252b5132 RH |
4525 | } |
4526 | ||
4527 | /* Demangle a single argument. */ | |
4528 | ||
b34976b6 | 4529 | static bfd_boolean |
2da42df6 AJ |
4530 | stab_demangle_arg (struct stab_demangle_info *minfo, const char **pp, |
4531 | debug_type **pargs, unsigned int *pcount, | |
4532 | unsigned int *palloc) | |
252b5132 RH |
4533 | { |
4534 | const char *start; | |
4535 | debug_type type; | |
4536 | ||
4537 | start = *pp; | |
4538 | if (! stab_demangle_type (minfo, pp, | |
4539 | pargs == NULL ? (debug_type *) NULL : &type) | |
4540 | || ! stab_demangle_remember_type (minfo, start, *pp - start)) | |
b34976b6 | 4541 | return FALSE; |
252b5132 RH |
4542 | |
4543 | if (pargs != NULL) | |
4544 | { | |
4545 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 4546 | return FALSE; |
252b5132 RH |
4547 | |
4548 | if (*pcount + 1 >= *palloc) | |
4549 | { | |
4550 | *palloc += 10; | |
4551 | *pargs = ((debug_type *) | |
4552 | xrealloc (*pargs, *palloc * sizeof **pargs)); | |
4553 | } | |
4554 | (*pargs)[*pcount] = type; | |
4555 | ++*pcount; | |
4556 | } | |
4557 | ||
b34976b6 | 4558 | return TRUE; |
252b5132 RH |
4559 | } |
4560 | ||
4561 | /* Demangle a type. If the ptype argument is not NULL, *ptype is set | |
4562 | to the newly allocated type. */ | |
4563 | ||
b34976b6 | 4564 | static bfd_boolean |
2da42df6 AJ |
4565 | stab_demangle_type (struct stab_demangle_info *minfo, const char **pp, |
4566 | debug_type *ptype) | |
252b5132 RH |
4567 | { |
4568 | const char *orig; | |
4569 | ||
4570 | orig = *pp; | |
4571 | ||
4572 | switch (**pp) | |
4573 | { | |
4574 | case 'P': | |
4575 | case 'p': | |
4576 | /* A pointer type. */ | |
4577 | ++*pp; | |
4578 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4579 | return FALSE; |
252b5132 RH |
4580 | if (ptype != NULL) |
4581 | *ptype = debug_make_pointer_type (minfo->dhandle, *ptype); | |
4582 | break; | |
4583 | ||
4584 | case 'R': | |
4585 | /* A reference type. */ | |
4586 | ++*pp; | |
4587 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4588 | return FALSE; |
252b5132 RH |
4589 | if (ptype != NULL) |
4590 | *ptype = debug_make_reference_type (minfo->dhandle, *ptype); | |
4591 | break; | |
4592 | ||
4593 | case 'A': | |
4594 | /* An array. */ | |
4595 | { | |
4596 | unsigned long high; | |
4597 | ||
4598 | ++*pp; | |
4599 | high = 0; | |
4600 | while (**pp != '\0' && **pp != '_') | |
4601 | { | |
3882b010 | 4602 | if (! ISDIGIT (**pp)) |
252b5132 RH |
4603 | { |
4604 | stab_bad_demangle (orig); | |
b34976b6 | 4605 | return FALSE; |
252b5132 RH |
4606 | } |
4607 | high *= 10; | |
4608 | high += **pp - '0'; | |
4609 | ++*pp; | |
4610 | } | |
4611 | if (**pp != '_') | |
4612 | { | |
4613 | stab_bad_demangle (orig); | |
b34976b6 | 4614 | return FALSE; |
252b5132 RH |
4615 | } |
4616 | ++*pp; | |
4617 | ||
4618 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4619 | return FALSE; |
252b5132 RH |
4620 | if (ptype != NULL) |
4621 | { | |
4622 | debug_type int_type; | |
4623 | ||
4624 | int_type = debug_find_named_type (minfo->dhandle, "int"); | |
4625 | if (int_type == NULL) | |
b34976b6 | 4626 | int_type = debug_make_int_type (minfo->dhandle, 4, FALSE); |
252b5132 | 4627 | *ptype = debug_make_array_type (minfo->dhandle, *ptype, int_type, |
b34976b6 | 4628 | 0, high, FALSE); |
252b5132 RH |
4629 | } |
4630 | } | |
4631 | break; | |
4632 | ||
4633 | case 'T': | |
4634 | /* A back reference to a remembered type. */ | |
4635 | { | |
4636 | unsigned int i; | |
4637 | const char *p; | |
4638 | ||
4639 | ++*pp; | |
4640 | if (! stab_demangle_get_count (pp, &i)) | |
4641 | { | |
4642 | stab_bad_demangle (orig); | |
b34976b6 | 4643 | return FALSE; |
252b5132 RH |
4644 | } |
4645 | if (i >= minfo->typestring_count) | |
4646 | { | |
4647 | stab_bad_demangle (orig); | |
b34976b6 | 4648 | return FALSE; |
252b5132 RH |
4649 | } |
4650 | p = minfo->typestrings[i].typestring; | |
4651 | if (! stab_demangle_type (minfo, &p, ptype)) | |
b34976b6 | 4652 | return FALSE; |
252b5132 RH |
4653 | } |
4654 | break; | |
4655 | ||
4656 | case 'F': | |
4657 | /* A function. */ | |
4658 | { | |
4659 | debug_type *args; | |
b34976b6 | 4660 | bfd_boolean varargs; |
252b5132 RH |
4661 | |
4662 | ++*pp; | |
4663 | if (! stab_demangle_args (minfo, pp, | |
4664 | (ptype == NULL | |
4665 | ? (debug_type **) NULL | |
4666 | : &args), | |
4667 | (ptype == NULL | |
b34976b6 | 4668 | ? (bfd_boolean *) NULL |
252b5132 | 4669 | : &varargs))) |
b34976b6 | 4670 | return FALSE; |
252b5132 RH |
4671 | if (**pp != '_') |
4672 | { | |
4673 | /* cplus_demangle will accept a function without a return | |
4674 | type, but I don't know when that will happen, or what | |
4675 | to do if it does. */ | |
4676 | stab_bad_demangle (orig); | |
b34976b6 | 4677 | return FALSE; |
252b5132 RH |
4678 | } |
4679 | ++*pp; | |
4680 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4681 | return FALSE; |
252b5132 RH |
4682 | if (ptype != NULL) |
4683 | *ptype = debug_make_function_type (minfo->dhandle, *ptype, args, | |
4684 | varargs); | |
4685 | ||
4686 | } | |
4687 | break; | |
4688 | ||
4689 | case 'M': | |
4690 | case 'O': | |
4691 | { | |
3d540e93 | 4692 | bfd_boolean memberp; |
c602a165 | 4693 | debug_type class_type = DEBUG_TYPE_NULL; |
252b5132 | 4694 | debug_type *args; |
b34976b6 | 4695 | bfd_boolean varargs; |
252b5132 RH |
4696 | unsigned int n; |
4697 | const char *name; | |
4698 | ||
4699 | memberp = **pp == 'M'; | |
252b5132 | 4700 | args = NULL; |
b34976b6 | 4701 | varargs = FALSE; |
252b5132 RH |
4702 | |
4703 | ++*pp; | |
3882b010 | 4704 | if (ISDIGIT (**pp)) |
252b5132 | 4705 | { |
c602a165 ILT |
4706 | n = stab_demangle_count (pp); |
4707 | if (strlen (*pp) < n) | |
4708 | { | |
4709 | stab_bad_demangle (orig); | |
b34976b6 | 4710 | return FALSE; |
c602a165 ILT |
4711 | } |
4712 | name = *pp; | |
4713 | *pp += n; | |
4714 | ||
4715 | if (ptype != NULL) | |
4716 | { | |
4717 | class_type = stab_find_tagged_type (minfo->dhandle, | |
4718 | minfo->info, | |
4719 | name, (int) n, | |
4720 | DEBUG_KIND_CLASS); | |
4721 | if (class_type == DEBUG_TYPE_NULL) | |
b34976b6 | 4722 | return FALSE; |
c602a165 | 4723 | } |
252b5132 | 4724 | } |
c602a165 ILT |
4725 | else if (**pp == 'Q') |
4726 | { | |
4727 | if (! stab_demangle_qualified (minfo, pp, | |
4728 | (ptype == NULL | |
4729 | ? (debug_type *) NULL | |
4730 | : &class_type))) | |
b34976b6 | 4731 | return FALSE; |
c602a165 ILT |
4732 | } |
4733 | else | |
252b5132 RH |
4734 | { |
4735 | stab_bad_demangle (orig); | |
b34976b6 | 4736 | return FALSE; |
252b5132 | 4737 | } |
252b5132 RH |
4738 | |
4739 | if (memberp) | |
4740 | { | |
4741 | if (**pp == 'C') | |
4742 | { | |
252b5132 RH |
4743 | ++*pp; |
4744 | } | |
4745 | else if (**pp == 'V') | |
4746 | { | |
252b5132 RH |
4747 | ++*pp; |
4748 | } | |
4749 | if (**pp != 'F') | |
4750 | { | |
4751 | stab_bad_demangle (orig); | |
b34976b6 | 4752 | return FALSE; |
252b5132 RH |
4753 | } |
4754 | ++*pp; | |
4755 | if (! stab_demangle_args (minfo, pp, | |
4756 | (ptype == NULL | |
4757 | ? (debug_type **) NULL | |
4758 | : &args), | |
4759 | (ptype == NULL | |
b34976b6 | 4760 | ? (bfd_boolean *) NULL |
252b5132 | 4761 | : &varargs))) |
b34976b6 | 4762 | return FALSE; |
252b5132 RH |
4763 | } |
4764 | ||
4765 | if (**pp != '_') | |
4766 | { | |
4767 | stab_bad_demangle (orig); | |
b34976b6 | 4768 | return FALSE; |
252b5132 RH |
4769 | } |
4770 | ++*pp; | |
4771 | ||
4772 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4773 | return FALSE; |
252b5132 RH |
4774 | |
4775 | if (ptype != NULL) | |
4776 | { | |
252b5132 RH |
4777 | if (! memberp) |
4778 | *ptype = debug_make_offset_type (minfo->dhandle, class_type, | |
4779 | *ptype); | |
4780 | else | |
4781 | { | |
4782 | /* FIXME: We have no way to record constp or | |
4783 | volatilep. */ | |
4784 | *ptype = debug_make_method_type (minfo->dhandle, *ptype, | |
4785 | class_type, args, varargs); | |
4786 | } | |
4787 | } | |
4788 | } | |
4789 | break; | |
4790 | ||
4791 | case 'G': | |
4792 | ++*pp; | |
4793 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4794 | return FALSE; |
252b5132 RH |
4795 | break; |
4796 | ||
4797 | case 'C': | |
4798 | ++*pp; | |
4799 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4800 | return FALSE; |
252b5132 RH |
4801 | if (ptype != NULL) |
4802 | *ptype = debug_make_const_type (minfo->dhandle, *ptype); | |
4803 | break; | |
4804 | ||
4805 | case 'Q': | |
4806 | { | |
252b5132 | 4807 | if (! stab_demangle_qualified (minfo, pp, ptype)) |
b34976b6 | 4808 | return FALSE; |
252b5132 RH |
4809 | } |
4810 | break; | |
4811 | ||
4812 | default: | |
4813 | if (! stab_demangle_fund_type (minfo, pp, ptype)) | |
b34976b6 | 4814 | return FALSE; |
252b5132 RH |
4815 | break; |
4816 | } | |
4817 | ||
b34976b6 | 4818 | return TRUE; |
252b5132 RH |
4819 | } |
4820 | ||
4821 | /* Demangle a fundamental type. If the ptype argument is not NULL, | |
4822 | *ptype is set to the newly allocated type. */ | |
4823 | ||
b34976b6 | 4824 | static bfd_boolean |
2da42df6 AJ |
4825 | stab_demangle_fund_type (struct stab_demangle_info *minfo, const char **pp, |
4826 | debug_type *ptype) | |
252b5132 RH |
4827 | { |
4828 | const char *orig; | |
b34976b6 AM |
4829 | bfd_boolean constp, volatilep, unsignedp, signedp; |
4830 | bfd_boolean done; | |
252b5132 RH |
4831 | |
4832 | orig = *pp; | |
4833 | ||
b34976b6 AM |
4834 | constp = FALSE; |
4835 | volatilep = FALSE; | |
4836 | unsignedp = FALSE; | |
4837 | signedp = FALSE; | |
252b5132 | 4838 | |
b34976b6 | 4839 | done = FALSE; |
252b5132 RH |
4840 | while (! done) |
4841 | { | |
4842 | switch (**pp) | |
4843 | { | |
4844 | case 'C': | |
b34976b6 | 4845 | constp = TRUE; |
252b5132 RH |
4846 | ++*pp; |
4847 | break; | |
4848 | ||
4849 | case 'U': | |
b34976b6 | 4850 | unsignedp = TRUE; |
252b5132 RH |
4851 | ++*pp; |
4852 | break; | |
4853 | ||
4854 | case 'S': | |
b34976b6 | 4855 | signedp = TRUE; |
252b5132 RH |
4856 | ++*pp; |
4857 | break; | |
4858 | ||
4859 | case 'V': | |
b34976b6 | 4860 | volatilep = TRUE; |
252b5132 RH |
4861 | ++*pp; |
4862 | break; | |
4863 | ||
4864 | default: | |
b34976b6 | 4865 | done = TRUE; |
252b5132 RH |
4866 | break; |
4867 | } | |
4868 | } | |
4869 | ||
4870 | switch (**pp) | |
4871 | { | |
4872 | case '\0': | |
4873 | case '_': | |
4874 | /* cplus_demangle permits this, but I don't know what it means. */ | |
4875 | stab_bad_demangle (orig); | |
4876 | break; | |
4877 | ||
4878 | case 'v': /* void */ | |
4879 | if (ptype != NULL) | |
4880 | { | |
4881 | *ptype = debug_find_named_type (minfo->dhandle, "void"); | |
4882 | if (*ptype == DEBUG_TYPE_NULL) | |
4883 | *ptype = debug_make_void_type (minfo->dhandle); | |
4884 | } | |
4885 | ++*pp; | |
4886 | break; | |
4887 | ||
4888 | case 'x': /* long long */ | |
4889 | if (ptype != NULL) | |
4890 | { | |
4891 | *ptype = debug_find_named_type (minfo->dhandle, | |
4892 | (unsignedp | |
4893 | ? "long long unsigned int" | |
4894 | : "long long int")); | |
4895 | if (*ptype == DEBUG_TYPE_NULL) | |
4896 | *ptype = debug_make_int_type (minfo->dhandle, 8, unsignedp); | |
4897 | } | |
4898 | ++*pp; | |
4899 | break; | |
4900 | ||
4901 | case 'l': /* long */ | |
4902 | if (ptype != NULL) | |
4903 | { | |
4904 | *ptype = debug_find_named_type (minfo->dhandle, | |
4905 | (unsignedp | |
4906 | ? "long unsigned int" | |
4907 | : "long int")); | |
4908 | if (*ptype == DEBUG_TYPE_NULL) | |
4909 | *ptype = debug_make_int_type (minfo->dhandle, 4, unsignedp); | |
4910 | } | |
4911 | ++*pp; | |
4912 | break; | |
4913 | ||
4914 | case 'i': /* int */ | |
4915 | if (ptype != NULL) | |
4916 | { | |
4917 | *ptype = debug_find_named_type (minfo->dhandle, | |
4918 | (unsignedp | |
4919 | ? "unsigned int" | |
4920 | : "int")); | |
4921 | if (*ptype == DEBUG_TYPE_NULL) | |
4922 | *ptype = debug_make_int_type (minfo->dhandle, 4, unsignedp); | |
4923 | } | |
4924 | ++*pp; | |
4925 | break; | |
4926 | ||
4927 | case 's': /* short */ | |
4928 | if (ptype != NULL) | |
4929 | { | |
4930 | *ptype = debug_find_named_type (minfo->dhandle, | |
4931 | (unsignedp | |
4932 | ? "short unsigned int" | |
4933 | : "short int")); | |
4934 | if (*ptype == DEBUG_TYPE_NULL) | |
4935 | *ptype = debug_make_int_type (minfo->dhandle, 2, unsignedp); | |
4936 | } | |
4937 | ++*pp; | |
4938 | break; | |
4939 | ||
4940 | case 'b': /* bool */ | |
4941 | if (ptype != NULL) | |
4942 | { | |
4943 | *ptype = debug_find_named_type (minfo->dhandle, "bool"); | |
4944 | if (*ptype == DEBUG_TYPE_NULL) | |
4945 | *ptype = debug_make_bool_type (minfo->dhandle, 4); | |
4946 | } | |
4947 | ++*pp; | |
4948 | break; | |
4949 | ||
4950 | case 'c': /* char */ | |
4951 | if (ptype != NULL) | |
4952 | { | |
4953 | *ptype = debug_find_named_type (minfo->dhandle, | |
4954 | (unsignedp | |
4955 | ? "unsigned char" | |
4956 | : (signedp | |
4957 | ? "signed char" | |
4958 | : "char"))); | |
4959 | if (*ptype == DEBUG_TYPE_NULL) | |
4960 | *ptype = debug_make_int_type (minfo->dhandle, 1, unsignedp); | |
4961 | } | |
4962 | ++*pp; | |
4963 | break; | |
4964 | ||
4965 | case 'w': /* wchar_t */ | |
4966 | if (ptype != NULL) | |
4967 | { | |
4968 | *ptype = debug_find_named_type (minfo->dhandle, "__wchar_t"); | |
4969 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 4970 | *ptype = debug_make_int_type (minfo->dhandle, 2, TRUE); |
252b5132 RH |
4971 | } |
4972 | ++*pp; | |
4973 | break; | |
4974 | ||
4975 | case 'r': /* long double */ | |
4976 | if (ptype != NULL) | |
4977 | { | |
4978 | *ptype = debug_find_named_type (minfo->dhandle, "long double"); | |
4979 | if (*ptype == DEBUG_TYPE_NULL) | |
4980 | *ptype = debug_make_float_type (minfo->dhandle, 8); | |
4981 | } | |
4982 | ++*pp; | |
4983 | break; | |
4984 | ||
4985 | case 'd': /* double */ | |
4986 | if (ptype != NULL) | |
4987 | { | |
4988 | *ptype = debug_find_named_type (minfo->dhandle, "double"); | |
4989 | if (*ptype == DEBUG_TYPE_NULL) | |
4990 | *ptype = debug_make_float_type (minfo->dhandle, 8); | |
4991 | } | |
4992 | ++*pp; | |
4993 | break; | |
4994 | ||
4995 | case 'f': /* float */ | |
4996 | if (ptype != NULL) | |
4997 | { | |
4998 | *ptype = debug_find_named_type (minfo->dhandle, "float"); | |
4999 | if (*ptype == DEBUG_TYPE_NULL) | |
5000 | *ptype = debug_make_float_type (minfo->dhandle, 4); | |
5001 | } | |
5002 | ++*pp; | |
5003 | break; | |
5004 | ||
5005 | case 'G': | |
5006 | ++*pp; | |
3882b010 | 5007 | if (! ISDIGIT (**pp)) |
252b5132 RH |
5008 | { |
5009 | stab_bad_demangle (orig); | |
b34976b6 | 5010 | return FALSE; |
252b5132 RH |
5011 | } |
5012 | /* Fall through. */ | |
5013 | case '0': case '1': case '2': case '3': case '4': | |
5014 | case '5': case '6': case '7': case '8': case '9': | |
5015 | { | |
5016 | const char *hold; | |
5017 | ||
5018 | if (! stab_demangle_class (minfo, pp, &hold)) | |
b34976b6 | 5019 | return FALSE; |
252b5132 RH |
5020 | if (ptype != NULL) |
5021 | { | |
5022 | char *name; | |
5023 | ||
5024 | name = savestring (hold, *pp - hold); | |
5025 | *ptype = debug_find_named_type (minfo->dhandle, name); | |
5026 | free (name); | |
5027 | if (*ptype == DEBUG_TYPE_NULL) | |
5028 | { | |
5029 | /* FIXME: It is probably incorrect to assume that | |
5030 | undefined types are tagged types. */ | |
5031 | *ptype = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
5032 | hold, *pp - hold, | |
5033 | DEBUG_KIND_ILLEGAL); | |
5034 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 5035 | return FALSE; |
252b5132 RH |
5036 | } |
5037 | } | |
5038 | } | |
5039 | break; | |
5040 | ||
5041 | case 't': | |
5042 | { | |
5043 | char *name; | |
5044 | ||
5045 | if (! stab_demangle_template (minfo, pp, | |
5046 | ptype != NULL ? &name : NULL)) | |
b34976b6 | 5047 | return FALSE; |
252b5132 RH |
5048 | if (ptype != NULL) |
5049 | { | |
5050 | *ptype = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
5051 | name, strlen (name), | |
5052 | DEBUG_KIND_CLASS); | |
5053 | free (name); | |
5054 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 5055 | return FALSE; |
252b5132 RH |
5056 | } |
5057 | } | |
5058 | break; | |
5059 | ||
5060 | default: | |
5061 | stab_bad_demangle (orig); | |
b34976b6 | 5062 | return FALSE; |
252b5132 RH |
5063 | } |
5064 | ||
5065 | if (ptype != NULL) | |
5066 | { | |
5067 | if (constp) | |
5068 | *ptype = debug_make_const_type (minfo->dhandle, *ptype); | |
5069 | if (volatilep) | |
5070 | *ptype = debug_make_volatile_type (minfo->dhandle, *ptype); | |
5071 | } | |
5072 | ||
b34976b6 | 5073 | return TRUE; |
252b5132 RH |
5074 | } |
5075 | ||
5076 | /* Remember a type string in a demangled string. */ | |
5077 | ||
b34976b6 | 5078 | static bfd_boolean |
2da42df6 AJ |
5079 | stab_demangle_remember_type (struct stab_demangle_info *minfo, |
5080 | const char *p, int len) | |
252b5132 RH |
5081 | { |
5082 | if (minfo->typestring_count >= minfo->typestring_alloc) | |
5083 | { | |
5084 | minfo->typestring_alloc += 10; | |
5085 | minfo->typestrings = ((struct stab_demangle_typestring *) | |
5086 | xrealloc (minfo->typestrings, | |
5087 | (minfo->typestring_alloc | |
5088 | * sizeof *minfo->typestrings))); | |
5089 | } | |
5090 | ||
5091 | minfo->typestrings[minfo->typestring_count].typestring = p; | |
5092 | minfo->typestrings[minfo->typestring_count].len = (unsigned int) len; | |
5093 | ++minfo->typestring_count; | |
5094 | ||
b34976b6 | 5095 | return TRUE; |
252b5132 | 5096 | } |
041821e6 ILT |
5097 | \f |
5098 | /* Demangle names encoded using the g++ V3 ABI. The newer versions of | |
5099 | g++ which use this ABI do not encode ordinary method argument types | |
5100 | in a mangled name; they simply output the argument types. However, | |
5101 | for a static method, g++ simply outputs the return type and the | |
5102 | physical name. So in that case we need to demangle the name here. | |
5103 | Here PHYSNAME is the physical name of the function, and we set the | |
5104 | variable pointed at by PVARARGS to indicate whether this function | |
5105 | is varargs. This returns NULL, or a NULL terminated array of | |
5106 | argument types. */ | |
5107 | ||
5108 | static debug_type * | |
5109 | stab_demangle_v3_argtypes (void *dhandle, struct stab_handle *info, | |
5110 | const char *physname, bfd_boolean *pvarargs) | |
5111 | { | |
5112 | struct demangle_component *dc; | |
5113 | void *mem; | |
041821e6 ILT |
5114 | debug_type *pargs; |
5115 | ||
5116 | dc = cplus_demangle_v3_components (physname, DMGL_PARAMS | DMGL_ANSI, &mem); | |
5117 | if (dc == NULL) | |
5118 | { | |
5119 | stab_bad_demangle (physname); | |
5120 | return NULL; | |
5121 | } | |
5122 | ||
5123 | /* We expect to see TYPED_NAME, and the right subtree describes the | |
5124 | function type. */ | |
5125 | if (dc->type != DEMANGLE_COMPONENT_TYPED_NAME | |
5126 | || dc->u.s_binary.right->type != DEMANGLE_COMPONENT_FUNCTION_TYPE) | |
5127 | { | |
5128 | fprintf (stderr, _("Demangled name is not a function\n")); | |
5129 | free (mem); | |
5130 | return NULL; | |
5131 | } | |
5132 | ||
2b4c4cc4 ILT |
5133 | pargs = stab_demangle_v3_arglist (dhandle, info, |
5134 | dc->u.s_binary.right->u.s_binary.right, | |
5135 | pvarargs); | |
5136 | ||
5137 | free (mem); | |
5138 | ||
5139 | return pargs; | |
5140 | } | |
5141 | ||
5142 | /* Demangle an argument list in a struct demangle_component tree. | |
5143 | Returns a DEBUG_TYPE_NULL terminated array of argument types, and | |
5144 | sets *PVARARGS to indicate whether this is a varargs function. */ | |
5145 | ||
5146 | static debug_type * | |
5147 | stab_demangle_v3_arglist (void *dhandle, struct stab_handle *info, | |
5148 | struct demangle_component *arglist, | |
5149 | bfd_boolean *pvarargs) | |
5150 | { | |
5151 | struct demangle_component *dc; | |
5152 | unsigned int alloc, count; | |
5153 | debug_type *pargs; | |
5154 | ||
041821e6 ILT |
5155 | alloc = 10; |
5156 | pargs = (debug_type *) xmalloc (alloc * sizeof *pargs); | |
5157 | *pvarargs = FALSE; | |
5158 | ||
5159 | count = 0; | |
5160 | ||
2b4c4cc4 | 5161 | for (dc = arglist; |
041821e6 ILT |
5162 | dc != NULL; |
5163 | dc = dc->u.s_binary.right) | |
5164 | { | |
5165 | debug_type arg; | |
5166 | bfd_boolean varargs; | |
5167 | ||
5168 | if (dc->type != DEMANGLE_COMPONENT_ARGLIST) | |
5169 | { | |
2b4c4cc4 ILT |
5170 | fprintf (stderr, _("Unexpected type in v3 arglist demangling\n")); |
5171 | free (pargs); | |
041821e6 ILT |
5172 | return NULL; |
5173 | } | |
5174 | ||
b149968f NC |
5175 | /* PR 13925: Cope if the demangler returns an empty |
5176 | context for a function with no arguments. */ | |
5177 | if (dc->u.s_binary.left == NULL) | |
5178 | break; | |
3aade688 | 5179 | |
041821e6 ILT |
5180 | arg = stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.left, |
5181 | NULL, &varargs); | |
5182 | if (arg == NULL) | |
5183 | { | |
5184 | if (varargs) | |
5185 | { | |
5186 | *pvarargs = TRUE; | |
5187 | continue; | |
5188 | } | |
2b4c4cc4 | 5189 | free (pargs); |
041821e6 ILT |
5190 | return NULL; |
5191 | } | |
5192 | ||
5193 | if (count + 1 >= alloc) | |
5194 | { | |
5195 | alloc += 10; | |
5196 | pargs = (debug_type *) xrealloc (pargs, alloc * sizeof *pargs); | |
5197 | } | |
5198 | ||
5199 | pargs[count] = arg; | |
5200 | ++count; | |
5201 | } | |
5202 | ||
5203 | pargs[count] = DEBUG_TYPE_NULL; | |
5204 | ||
041821e6 ILT |
5205 | return pargs; |
5206 | } | |
5207 | ||
5208 | /* Convert a struct demangle_component tree describing an argument | |
5209 | type into a debug_type. */ | |
5210 | ||
5211 | static debug_type | |
5212 | stab_demangle_v3_arg (void *dhandle, struct stab_handle *info, | |
5213 | struct demangle_component *dc, debug_type context, | |
5214 | bfd_boolean *pvarargs) | |
5215 | { | |
5216 | debug_type dt; | |
5217 | ||
5218 | if (pvarargs != NULL) | |
5219 | *pvarargs = FALSE; | |
5220 | ||
5221 | switch (dc->type) | |
5222 | { | |
5223 | /* FIXME: These are demangle component types which we probably | |
5224 | need to handle one way or another. */ | |
5225 | case DEMANGLE_COMPONENT_LOCAL_NAME: | |
5226 | case DEMANGLE_COMPONENT_TYPED_NAME: | |
5227 | case DEMANGLE_COMPONENT_TEMPLATE_PARAM: | |
5228 | case DEMANGLE_COMPONENT_CTOR: | |
5229 | case DEMANGLE_COMPONENT_DTOR: | |
5230 | case DEMANGLE_COMPONENT_JAVA_CLASS: | |
5231 | case DEMANGLE_COMPONENT_RESTRICT_THIS: | |
5232 | case DEMANGLE_COMPONENT_VOLATILE_THIS: | |
5233 | case DEMANGLE_COMPONENT_CONST_THIS: | |
5234 | case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL: | |
5235 | case DEMANGLE_COMPONENT_COMPLEX: | |
5236 | case DEMANGLE_COMPONENT_IMAGINARY: | |
5237 | case DEMANGLE_COMPONENT_VENDOR_TYPE: | |
041821e6 ILT |
5238 | case DEMANGLE_COMPONENT_ARRAY_TYPE: |
5239 | case DEMANGLE_COMPONENT_PTRMEM_TYPE: | |
5240 | case DEMANGLE_COMPONENT_ARGLIST: | |
5241 | default: | |
2b4c4cc4 ILT |
5242 | fprintf (stderr, _("Unrecognized demangle component %d\n"), |
5243 | (int) dc->type); | |
041821e6 ILT |
5244 | return NULL; |
5245 | ||
5246 | case DEMANGLE_COMPONENT_NAME: | |
5247 | if (context != NULL) | |
5248 | { | |
5249 | const debug_field *fields; | |
5250 | ||
5251 | fields = debug_get_fields (dhandle, context); | |
5252 | if (fields != NULL) | |
5253 | { | |
5254 | /* Try to find this type by looking through the context | |
5255 | class. */ | |
5256 | for (; *fields != DEBUG_FIELD_NULL; fields++) | |
5257 | { | |
5258 | debug_type ft; | |
5259 | const char *dn; | |
5260 | ||
5261 | ft = debug_get_field_type (dhandle, *fields); | |
5262 | if (ft == NULL) | |
5263 | return NULL; | |
5264 | dn = debug_get_type_name (dhandle, ft); | |
5265 | if (dn != NULL | |
5266 | && (int) strlen (dn) == dc->u.s_name.len | |
5267 | && strncmp (dn, dc->u.s_name.s, dc->u.s_name.len) == 0) | |
5268 | return ft; | |
5269 | } | |
5270 | } | |
5271 | } | |
5272 | return stab_find_tagged_type (dhandle, info, dc->u.s_name.s, | |
5273 | dc->u.s_name.len, DEBUG_KIND_ILLEGAL); | |
5274 | ||
5275 | case DEMANGLE_COMPONENT_QUAL_NAME: | |
5276 | context = stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.left, | |
5277 | context, NULL); | |
5278 | if (context == NULL) | |
5279 | return NULL; | |
5280 | return stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.right, | |
5281 | context, NULL); | |
5282 | ||
5283 | case DEMANGLE_COMPONENT_TEMPLATE: | |
5284 | { | |
5285 | char *p; | |
5286 | size_t alc; | |
5287 | ||
5288 | /* We print this component to get a class name which we can | |
5289 | use. FIXME: This probably won't work if the template uses | |
5290 | template parameters which refer to an outer template. */ | |
5291 | p = cplus_demangle_print (DMGL_PARAMS | DMGL_ANSI, dc, 20, &alc); | |
5292 | if (p == NULL) | |
5293 | { | |
5294 | fprintf (stderr, _("Failed to print demangled template\n")); | |
5295 | return NULL; | |
5296 | } | |
5297 | dt = stab_find_tagged_type (dhandle, info, p, strlen (p), | |
5298 | DEBUG_KIND_CLASS); | |
5299 | free (p); | |
5300 | return dt; | |
5301 | } | |
5302 | ||
5303 | case DEMANGLE_COMPONENT_SUB_STD: | |
5304 | return stab_find_tagged_type (dhandle, info, dc->u.s_string.string, | |
5305 | dc->u.s_string.len, DEBUG_KIND_ILLEGAL); | |
5306 | ||
5307 | case DEMANGLE_COMPONENT_RESTRICT: | |
5308 | case DEMANGLE_COMPONENT_VOLATILE: | |
5309 | case DEMANGLE_COMPONENT_CONST: | |
5310 | case DEMANGLE_COMPONENT_POINTER: | |
5311 | case DEMANGLE_COMPONENT_REFERENCE: | |
5312 | dt = stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.left, NULL, | |
5313 | NULL); | |
5314 | if (dt == NULL) | |
5315 | return NULL; | |
5316 | ||
5317 | switch (dc->type) | |
5318 | { | |
5319 | default: | |
5320 | abort (); | |
5321 | case DEMANGLE_COMPONENT_RESTRICT: | |
5322 | /* FIXME: We have no way to represent restrict. */ | |
5323 | return dt; | |
5324 | case DEMANGLE_COMPONENT_VOLATILE: | |
5325 | return debug_make_volatile_type (dhandle, dt); | |
5326 | case DEMANGLE_COMPONENT_CONST: | |
5327 | return debug_make_const_type (dhandle, dt); | |
5328 | case DEMANGLE_COMPONENT_POINTER: | |
5329 | return debug_make_pointer_type (dhandle, dt); | |
5330 | case DEMANGLE_COMPONENT_REFERENCE: | |
5331 | return debug_make_reference_type (dhandle, dt); | |
5332 | } | |
5333 | ||
2b4c4cc4 ILT |
5334 | case DEMANGLE_COMPONENT_FUNCTION_TYPE: |
5335 | { | |
5336 | debug_type *pargs; | |
5337 | bfd_boolean varargs; | |
5338 | ||
5339 | if (dc->u.s_binary.left == NULL) | |
5340 | { | |
5341 | /* In this case the return type is actually unknown. | |
5342 | However, I'm not sure this will ever arise in practice; | |
5343 | normally an unknown return type would only appear at | |
5344 | the top level, which is handled above. */ | |
5345 | dt = debug_make_void_type (dhandle); | |
5346 | } | |
5347 | else | |
5348 | dt = stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.left, NULL, | |
5349 | NULL); | |
5350 | if (dt == NULL) | |
5351 | return NULL; | |
5352 | ||
5353 | pargs = stab_demangle_v3_arglist (dhandle, info, | |
5354 | dc->u.s_binary.right, | |
5355 | &varargs); | |
5356 | if (pargs == NULL) | |
5357 | return NULL; | |
5358 | ||
5359 | return debug_make_function_type (dhandle, dt, pargs, varargs); | |
5360 | } | |
5361 | ||
041821e6 ILT |
5362 | case DEMANGLE_COMPONENT_BUILTIN_TYPE: |
5363 | { | |
5364 | char *p; | |
5365 | size_t alc; | |
5366 | debug_type ret; | |
5367 | ||
5368 | /* We print this component in order to find out the type name. | |
5369 | FIXME: Should we instead expose the | |
5370 | demangle_builtin_type_info structure? */ | |
5371 | p = cplus_demangle_print (DMGL_PARAMS | DMGL_ANSI, dc, 20, &alc); | |
5372 | if (p == NULL) | |
5373 | { | |
5374 | fprintf (stderr, _("Couldn't get demangled builtin type\n")); | |
5375 | return NULL; | |
5376 | } | |
5377 | ||
5378 | /* The mangling is based on the type, but does not itself | |
5379 | indicate what the sizes are. So we have to guess. */ | |
5380 | if (strcmp (p, "signed char") == 0) | |
5381 | ret = debug_make_int_type (dhandle, 1, FALSE); | |
5382 | else if (strcmp (p, "bool") == 0) | |
5383 | ret = debug_make_bool_type (dhandle, 1); | |
5384 | else if (strcmp (p, "char") == 0) | |
5385 | ret = debug_make_int_type (dhandle, 1, FALSE); | |
5386 | else if (strcmp (p, "double") == 0) | |
5387 | ret = debug_make_float_type (dhandle, 8); | |
5388 | else if (strcmp (p, "long double") == 0) | |
5389 | ret = debug_make_float_type (dhandle, 8); | |
5390 | else if (strcmp (p, "float") == 0) | |
5391 | ret = debug_make_float_type (dhandle, 4); | |
5392 | else if (strcmp (p, "__float128") == 0) | |
5393 | ret = debug_make_float_type (dhandle, 16); | |
5394 | else if (strcmp (p, "unsigned char") == 0) | |
5395 | ret = debug_make_int_type (dhandle, 1, TRUE); | |
5396 | else if (strcmp (p, "int") == 0) | |
5397 | ret = debug_make_int_type (dhandle, 4, FALSE); | |
5398 | else if (strcmp (p, "unsigned int") == 0) | |
5399 | ret = debug_make_int_type (dhandle, 4, TRUE); | |
5400 | else if (strcmp (p, "long") == 0) | |
5401 | ret = debug_make_int_type (dhandle, 4, FALSE); | |
5402 | else if (strcmp (p, "unsigned long") == 0) | |
5403 | ret = debug_make_int_type (dhandle, 4, TRUE); | |
5404 | else if (strcmp (p, "__int128") == 0) | |
5405 | ret = debug_make_int_type (dhandle, 16, FALSE); | |
5406 | else if (strcmp (p, "unsigned __int128") == 0) | |
5407 | ret = debug_make_int_type (dhandle, 16, TRUE); | |
5408 | else if (strcmp (p, "short") == 0) | |
5409 | ret = debug_make_int_type (dhandle, 2, FALSE); | |
5410 | else if (strcmp (p, "unsigned short") == 0) | |
5411 | ret = debug_make_int_type (dhandle, 2, TRUE); | |
5412 | else if (strcmp (p, "void") == 0) | |
5413 | ret = debug_make_void_type (dhandle); | |
5414 | else if (strcmp (p, "wchar_t") == 0) | |
5415 | ret = debug_make_int_type (dhandle, 4, TRUE); | |
5416 | else if (strcmp (p, "long long") == 0) | |
5417 | ret = debug_make_int_type (dhandle, 8, FALSE); | |
5418 | else if (strcmp (p, "unsigned long long") == 0) | |
5419 | ret = debug_make_int_type (dhandle, 8, TRUE); | |
5420 | else if (strcmp (p, "...") == 0) | |
5421 | { | |
5422 | if (pvarargs == NULL) | |
5423 | fprintf (stderr, _("Unexpected demangled varargs\n")); | |
5424 | else | |
5425 | *pvarargs = TRUE; | |
5426 | ret = NULL; | |
5427 | } | |
5428 | else | |
5429 | { | |
5430 | fprintf (stderr, _("Unrecognized demangled builtin type\n")); | |
5431 | ret = NULL; | |
5432 | } | |
5433 | ||
5434 | free (p); | |
5435 | ||
5436 | return ret; | |
5437 | } | |
5438 | } | |
5439 | } |