Commit | Line | Data |
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252b5132 | 1 | /* stabs.c -- Parse stabs debugging information |
219d1afa | 2 | Copyright (C) 1995-2018 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 | 147 | static char *savestring (const char *, int); |
81db3241 | 148 | |
2da42df6 AJ |
149 | static void bad_stab (const char *); |
150 | static void warn_stab (const char *, const char *); | |
b34976b6 | 151 | static bfd_boolean parse_stab_string |
81db3241 NC |
152 | (void *, struct stab_handle *, int, int, bfd_vma, |
153 | const char *, const char *); | |
252b5132 | 154 | static debug_type parse_stab_type |
81db3241 NC |
155 | (void *, struct stab_handle *, const char *, const char **, |
156 | debug_type **, const char *); | |
157 | static bfd_boolean parse_stab_type_number | |
158 | (const char **, int *, const char *); | |
252b5132 | 159 | static debug_type parse_stab_range_type |
81db3241 NC |
160 | (void *, struct stab_handle *, const char *, const char **, |
161 | const int *, const char *); | |
162 | static debug_type parse_stab_sun_builtin_type | |
163 | (void *, const char **, const char *); | |
164 | static debug_type parse_stab_sun_floating_type | |
165 | (void *, const char **, const char *); | |
166 | static debug_type parse_stab_enum_type | |
167 | (void *, const char **, const char *); | |
252b5132 | 168 | static debug_type parse_stab_struct_type |
2da42df6 | 169 | (void *, struct stab_handle *, const char *, const char **, |
81db3241 | 170 | bfd_boolean, const int *, const char *); |
b34976b6 | 171 | static bfd_boolean parse_stab_baseclasses |
81db3241 NC |
172 | (void *, struct stab_handle *, const char **, debug_baseclass **, |
173 | const char *); | |
b34976b6 | 174 | static bfd_boolean parse_stab_struct_fields |
81db3241 NC |
175 | (void *, struct stab_handle *, const char **, debug_field **, |
176 | bfd_boolean *, const char *); | |
b34976b6 | 177 | static bfd_boolean parse_stab_cpp_abbrev |
81db3241 | 178 | (void *, struct stab_handle *, const char **, debug_field *, const char *); |
b34976b6 | 179 | static bfd_boolean parse_stab_one_struct_field |
2da42df6 | 180 | (void *, struct stab_handle *, const char **, const char *, |
81db3241 | 181 | debug_field *, bfd_boolean *, const char *); |
b34976b6 | 182 | static bfd_boolean parse_stab_members |
2da42df6 | 183 | (void *, struct stab_handle *, const char *, const char **, const int *, |
81db3241 | 184 | debug_method **, const char *); |
252b5132 | 185 | static debug_type parse_stab_argtypes |
2da42df6 AJ |
186 | (void *, struct stab_handle *, debug_type, const char *, const char *, |
187 | debug_type, const char *, bfd_boolean, bfd_boolean, const char **); | |
b34976b6 | 188 | static bfd_boolean parse_stab_tilde_field |
2da42df6 | 189 | (void *, struct stab_handle *, const char **, const int *, debug_type *, |
81db3241 | 190 | bfd_boolean *, const char *); |
252b5132 | 191 | static debug_type parse_stab_array_type |
81db3241 | 192 | (void *, struct stab_handle *, const char **, bfd_boolean, const char *); |
2da42df6 AJ |
193 | static void push_bincl (struct stab_handle *, const char *, bfd_vma); |
194 | static const char *pop_bincl (struct stab_handle *); | |
195 | static bfd_boolean find_excl (struct stab_handle *, const char *, bfd_vma); | |
b34976b6 | 196 | static bfd_boolean stab_record_variable |
2da42df6 AJ |
197 | (void *, struct stab_handle *, const char *, debug_type, |
198 | enum debug_var_kind, bfd_vma); | |
199 | static bfd_boolean stab_emit_pending_vars (void *, struct stab_handle *); | |
200 | static debug_type *stab_find_slot (struct stab_handle *, const int *); | |
201 | static debug_type stab_find_type (void *, struct stab_handle *, const int *); | |
b34976b6 | 202 | static bfd_boolean stab_record_type |
2da42df6 | 203 | (void *, struct stab_handle *, const int *, debug_type); |
252b5132 | 204 | static debug_type stab_xcoff_builtin_type |
2da42df6 | 205 | (void *, struct stab_handle *, int); |
252b5132 | 206 | static debug_type stab_find_tagged_type |
2da42df6 | 207 | (void *, struct stab_handle *, const char *, int, enum debug_type_kind); |
252b5132 | 208 | static debug_type *stab_demangle_argtypes |
2da42df6 | 209 | (void *, struct stab_handle *, const char *, bfd_boolean *, unsigned int); |
041821e6 ILT |
210 | static debug_type *stab_demangle_v3_argtypes |
211 | (void *, struct stab_handle *, const char *, bfd_boolean *); | |
2b4c4cc4 ILT |
212 | static debug_type *stab_demangle_v3_arglist |
213 | (void *, struct stab_handle *, struct demangle_component *, bfd_boolean *); | |
041821e6 ILT |
214 | static debug_type stab_demangle_v3_arg |
215 | (void *, struct stab_handle *, struct demangle_component *, debug_type, | |
216 | bfd_boolean *); | |
252b5132 RH |
217 | |
218 | /* Save a string in memory. */ | |
219 | ||
220 | static char * | |
2da42df6 | 221 | savestring (const char *start, int len) |
252b5132 RH |
222 | { |
223 | char *ret; | |
224 | ||
225 | ret = (char *) xmalloc (len + 1); | |
226 | memcpy (ret, start, len); | |
227 | ret[len] = '\0'; | |
228 | return ret; | |
229 | } | |
230 | ||
231 | /* Read a number from a string. */ | |
232 | ||
233 | static bfd_vma | |
81db3241 | 234 | parse_number (const char **pp, bfd_boolean *poverflow, const char *p_end) |
252b5132 RH |
235 | { |
236 | unsigned long ul; | |
237 | const char *orig; | |
238 | ||
239 | if (poverflow != NULL) | |
b34976b6 | 240 | *poverflow = FALSE; |
252b5132 RH |
241 | |
242 | orig = *pp; | |
81db3241 NC |
243 | if (orig >= p_end) |
244 | return (bfd_vma) 0; | |
252b5132 | 245 | |
a2dea0b2 NC |
246 | /* Stop early if we are passed an empty string. */ |
247 | if (*orig == 0) | |
248 | return (bfd_vma) 0; | |
249 | ||
252b5132 RH |
250 | errno = 0; |
251 | ul = strtoul (*pp, (char **) pp, 0); | |
252 | if (ul + 1 != 0 || errno == 0) | |
253 | { | |
254 | /* If bfd_vma is larger than unsigned long, and the number is | |
255 | meant to be negative, we have to make sure that we sign | |
256 | extend properly. */ | |
257 | if (*orig == '-') | |
258 | return (bfd_vma) (bfd_signed_vma) (long) ul; | |
259 | return (bfd_vma) ul; | |
260 | } | |
261 | ||
262 | /* Note that even though strtoul overflowed, it should have set *pp | |
263 | to the end of the number, which is where we want it. */ | |
252b5132 RH |
264 | if (sizeof (bfd_vma) > sizeof (unsigned long)) |
265 | { | |
266 | const char *p; | |
b34976b6 | 267 | bfd_boolean neg; |
252b5132 RH |
268 | int base; |
269 | bfd_vma over, lastdig; | |
b34976b6 | 270 | bfd_boolean overflow; |
252b5132 RH |
271 | bfd_vma v; |
272 | ||
273 | /* Our own version of strtoul, for a bfd_vma. */ | |
252b5132 RH |
274 | p = orig; |
275 | ||
b34976b6 | 276 | neg = FALSE; |
252b5132 RH |
277 | if (*p == '+') |
278 | ++p; | |
279 | else if (*p == '-') | |
280 | { | |
b34976b6 | 281 | neg = TRUE; |
252b5132 RH |
282 | ++p; |
283 | } | |
284 | ||
285 | base = 10; | |
286 | if (*p == '0') | |
287 | { | |
288 | if (p[1] == 'x' || p[1] == 'X') | |
289 | { | |
290 | base = 16; | |
291 | p += 2; | |
292 | } | |
293 | else | |
294 | { | |
295 | base = 8; | |
296 | ++p; | |
297 | } | |
298 | } | |
299 | ||
300 | over = ((bfd_vma) (bfd_signed_vma) -1) / (bfd_vma) base; | |
301 | lastdig = ((bfd_vma) (bfd_signed_vma) -1) % (bfd_vma) base; | |
302 | ||
b34976b6 | 303 | overflow = FALSE; |
252b5132 RH |
304 | v = 0; |
305 | while (1) | |
306 | { | |
307 | int d; | |
308 | ||
309 | d = *p++; | |
3882b010 | 310 | if (ISDIGIT (d)) |
252b5132 | 311 | d -= '0'; |
3882b010 | 312 | else if (ISUPPER (d)) |
252b5132 | 313 | d -= 'A'; |
3882b010 | 314 | else if (ISLOWER (d)) |
252b5132 RH |
315 | d -= 'a'; |
316 | else | |
317 | break; | |
318 | ||
319 | if (d >= base) | |
320 | break; | |
321 | ||
322 | if (v > over || (v == over && (bfd_vma) d > lastdig)) | |
323 | { | |
b34976b6 | 324 | overflow = TRUE; |
252b5132 RH |
325 | break; |
326 | } | |
327 | } | |
328 | ||
329 | if (! overflow) | |
330 | { | |
331 | if (neg) | |
332 | v = - v; | |
333 | return v; | |
334 | } | |
335 | } | |
336 | ||
337 | /* If we get here, the number is too large to represent in a | |
338 | bfd_vma. */ | |
252b5132 | 339 | if (poverflow != NULL) |
b34976b6 | 340 | *poverflow = TRUE; |
252b5132 RH |
341 | else |
342 | warn_stab (orig, _("numeric overflow")); | |
343 | ||
344 | return 0; | |
345 | } | |
346 | ||
347 | /* Give an error for a bad stab string. */ | |
348 | ||
349 | static void | |
2da42df6 | 350 | bad_stab (const char *p) |
252b5132 RH |
351 | { |
352 | fprintf (stderr, _("Bad stab: %s\n"), p); | |
353 | } | |
354 | ||
355 | /* Warn about something in a stab string. */ | |
356 | ||
357 | static void | |
2da42df6 | 358 | warn_stab (const char *p, const char *err) |
252b5132 RH |
359 | { |
360 | fprintf (stderr, _("Warning: %s: %s\n"), err, p); | |
361 | } | |
362 | ||
363 | /* Create a handle to parse stabs symbols with. */ | |
364 | ||
2da42df6 AJ |
365 | void * |
366 | start_stab (void *dhandle ATTRIBUTE_UNUSED, bfd *abfd, bfd_boolean sections, | |
367 | asymbol **syms, long symcount) | |
252b5132 RH |
368 | { |
369 | struct stab_handle *ret; | |
370 | ||
371 | ret = (struct stab_handle *) xmalloc (sizeof *ret); | |
372 | memset (ret, 0, sizeof *ret); | |
373 | ret->abfd = abfd; | |
374 | ret->sections = sections; | |
375 | ret->syms = syms; | |
376 | ret->symcount = symcount; | |
377 | ret->files = 1; | |
378 | ret->file_types = (struct stab_types **) xmalloc (sizeof *ret->file_types); | |
379 | ret->file_types[0] = NULL; | |
380 | ret->function_end = (bfd_vma) -1; | |
2da42df6 | 381 | return (void *) ret; |
252b5132 RH |
382 | } |
383 | ||
384 | /* When we have processed all the stabs information, we need to go | |
385 | through and fill in all the undefined tags. */ | |
386 | ||
b34976b6 | 387 | bfd_boolean |
2da42df6 | 388 | finish_stab (void *dhandle, void *handle) |
252b5132 RH |
389 | { |
390 | struct stab_handle *info = (struct stab_handle *) handle; | |
391 | struct stab_tag *st; | |
392 | ||
393 | if (info->within_function) | |
394 | { | |
395 | if (! stab_emit_pending_vars (dhandle, info) | |
396 | || ! debug_end_function (dhandle, info->function_end)) | |
b34976b6 AM |
397 | return FALSE; |
398 | info->within_function = FALSE; | |
252b5132 RH |
399 | info->function_end = (bfd_vma) -1; |
400 | } | |
401 | ||
402 | for (st = info->tags; st != NULL; st = st->next) | |
403 | { | |
404 | enum debug_type_kind kind; | |
405 | ||
406 | kind = st->kind; | |
407 | if (kind == DEBUG_KIND_ILLEGAL) | |
408 | kind = DEBUG_KIND_STRUCT; | |
409 | st->slot = debug_make_undefined_tagged_type (dhandle, st->name, kind); | |
410 | if (st->slot == DEBUG_TYPE_NULL) | |
b34976b6 | 411 | return FALSE; |
252b5132 RH |
412 | } |
413 | ||
b34976b6 | 414 | return TRUE; |
252b5132 RH |
415 | } |
416 | ||
417 | /* Handle a single stabs symbol. */ | |
418 | ||
b34976b6 | 419 | bfd_boolean |
2da42df6 AJ |
420 | parse_stab (void *dhandle, void *handle, int type, int desc, bfd_vma value, |
421 | const char *string) | |
252b5132 | 422 | { |
81db3241 | 423 | const char * string_end; |
252b5132 RH |
424 | struct stab_handle *info = (struct stab_handle *) handle; |
425 | ||
426 | /* gcc will emit two N_SO strings per compilation unit, one for the | |
427 | directory name and one for the file name. We just collect N_SO | |
428 | strings as we see them, and start the new compilation unit when | |
429 | we see a non N_SO symbol. */ | |
430 | if (info->so_string != NULL | |
431 | && (type != N_SO || *string == '\0' || value != info->so_value)) | |
432 | { | |
433 | if (! debug_set_filename (dhandle, info->so_string)) | |
b34976b6 | 434 | return FALSE; |
252b5132 RH |
435 | info->main_filename = info->so_string; |
436 | ||
437 | info->gcc_compiled = 0; | |
b34976b6 | 438 | info->n_opt_found = FALSE; |
252b5132 RH |
439 | |
440 | /* Generally, for stabs in the symbol table, the N_LBRAC and | |
441 | N_RBRAC symbols are relative to the N_SO symbol value. */ | |
442 | if (! info->sections) | |
443 | info->file_start_offset = info->so_value; | |
444 | ||
445 | /* We need to reset the mapping from type numbers to types. We | |
446 | can't free the old mapping, because of the use of | |
447 | debug_make_indirect_type. */ | |
448 | info->files = 1; | |
449 | info->file_types = ((struct stab_types **) | |
450 | xmalloc (sizeof *info->file_types)); | |
451 | info->file_types[0] = NULL; | |
252b5132 RH |
452 | info->so_string = NULL; |
453 | ||
454 | /* Now process whatever type we just got. */ | |
455 | } | |
456 | ||
81db3241 NC |
457 | string_end = string + strlen (string); |
458 | ||
252b5132 RH |
459 | switch (type) |
460 | { | |
461 | case N_FN: | |
462 | case N_FN_SEQ: | |
463 | break; | |
464 | ||
465 | case N_LBRAC: | |
466 | /* Ignore extra outermost context from SunPRO cc and acc. */ | |
467 | if (info->n_opt_found && desc == 1) | |
468 | break; | |
469 | ||
470 | if (! info->within_function) | |
471 | { | |
472 | fprintf (stderr, _("N_LBRAC not within function\n")); | |
b34976b6 | 473 | return FALSE; |
252b5132 RH |
474 | } |
475 | ||
476 | /* Start an inner lexical block. */ | |
477 | if (! debug_start_block (dhandle, | |
478 | (value | |
479 | + info->file_start_offset | |
480 | + info->function_start_offset))) | |
b34976b6 | 481 | return FALSE; |
252b5132 RH |
482 | |
483 | /* Emit any pending variable definitions. */ | |
484 | if (! stab_emit_pending_vars (dhandle, info)) | |
b34976b6 | 485 | return FALSE; |
252b5132 RH |
486 | |
487 | ++info->block_depth; | |
488 | break; | |
489 | ||
490 | case N_RBRAC: | |
491 | /* Ignore extra outermost context from SunPRO cc and acc. */ | |
492 | if (info->n_opt_found && desc == 1) | |
493 | break; | |
494 | ||
495 | /* We shouldn't have any pending variable definitions here, but, | |
496 | if we do, we probably need to emit them before closing the | |
497 | block. */ | |
498 | if (! stab_emit_pending_vars (dhandle, info)) | |
b34976b6 | 499 | return FALSE; |
252b5132 RH |
500 | |
501 | /* End an inner lexical block. */ | |
502 | if (! debug_end_block (dhandle, | |
503 | (value | |
504 | + info->file_start_offset | |
505 | + info->function_start_offset))) | |
b34976b6 | 506 | return FALSE; |
252b5132 RH |
507 | |
508 | --info->block_depth; | |
509 | if (info->block_depth < 0) | |
510 | { | |
511 | fprintf (stderr, _("Too many N_RBRACs\n")); | |
b34976b6 | 512 | return FALSE; |
252b5132 RH |
513 | } |
514 | break; | |
515 | ||
516 | case N_SO: | |
517 | /* This always ends a function. */ | |
518 | if (info->within_function) | |
519 | { | |
520 | bfd_vma endval; | |
521 | ||
522 | endval = value; | |
523 | if (*string != '\0' | |
524 | && info->function_end != (bfd_vma) -1 | |
525 | && info->function_end < endval) | |
526 | endval = info->function_end; | |
527 | if (! stab_emit_pending_vars (dhandle, info) | |
528 | || ! debug_end_function (dhandle, endval)) | |
b34976b6 AM |
529 | return FALSE; |
530 | info->within_function = FALSE; | |
252b5132 RH |
531 | info->function_end = (bfd_vma) -1; |
532 | } | |
533 | ||
534 | /* An empty string is emitted by gcc at the end of a compilation | |
535 | unit. */ | |
536 | if (*string == '\0') | |
b34976b6 | 537 | return TRUE; |
252b5132 RH |
538 | |
539 | /* Just accumulate strings until we see a non N_SO symbol. If | |
540 | the string starts with a directory separator or some other | |
541 | form of absolute path specification, we discard the previously | |
542 | accumulated strings. */ | |
543 | if (info->so_string == NULL) | |
544 | info->so_string = xstrdup (string); | |
545 | else | |
546 | { | |
547 | char *f; | |
548 | ||
549 | f = info->so_string; | |
550 | ||
9f66665a | 551 | if (IS_ABSOLUTE_PATH (string)) |
252b5132 RH |
552 | info->so_string = xstrdup (string); |
553 | else | |
554 | info->so_string = concat (info->so_string, string, | |
555 | (const char *) NULL); | |
556 | free (f); | |
557 | } | |
558 | ||
559 | info->so_value = value; | |
560 | ||
561 | break; | |
562 | ||
563 | case N_SOL: | |
564 | /* Start an include file. */ | |
565 | if (! debug_start_source (dhandle, string)) | |
b34976b6 | 566 | return FALSE; |
252b5132 RH |
567 | break; |
568 | ||
569 | case N_BINCL: | |
570 | /* Start an include file which may be replaced. */ | |
571 | push_bincl (info, string, value); | |
572 | if (! debug_start_source (dhandle, string)) | |
b34976b6 | 573 | return FALSE; |
252b5132 RH |
574 | break; |
575 | ||
576 | case N_EINCL: | |
577 | /* End an N_BINCL include. */ | |
578 | if (! debug_start_source (dhandle, pop_bincl (info))) | |
b34976b6 | 579 | return FALSE; |
252b5132 RH |
580 | break; |
581 | ||
582 | case N_EXCL: | |
583 | /* This is a duplicate of a header file named by N_BINCL which | |
584 | was eliminated by the linker. */ | |
585 | if (! find_excl (info, string, value)) | |
b34976b6 | 586 | return FALSE; |
252b5132 RH |
587 | break; |
588 | ||
589 | case N_SLINE: | |
590 | if (! debug_record_line (dhandle, desc, | |
6de15b9e NC |
591 | value + (info->within_function |
592 | ? info->function_start_offset : 0))) | |
b34976b6 | 593 | return FALSE; |
252b5132 RH |
594 | break; |
595 | ||
596 | case N_BCOMM: | |
597 | if (! debug_start_common_block (dhandle, string)) | |
b34976b6 | 598 | return FALSE; |
252b5132 RH |
599 | break; |
600 | ||
601 | case N_ECOMM: | |
602 | if (! debug_end_common_block (dhandle, string)) | |
b34976b6 | 603 | return FALSE; |
252b5132 RH |
604 | break; |
605 | ||
606 | case N_FUN: | |
607 | if (*string == '\0') | |
608 | { | |
609 | if (info->within_function) | |
610 | { | |
611 | /* This always marks the end of a function; we don't | |
612 | need to worry about info->function_end. */ | |
613 | if (info->sections) | |
614 | value += info->function_start_offset; | |
615 | if (! stab_emit_pending_vars (dhandle, info) | |
616 | || ! debug_end_function (dhandle, value)) | |
b34976b6 AM |
617 | return FALSE; |
618 | info->within_function = FALSE; | |
252b5132 RH |
619 | info->function_end = (bfd_vma) -1; |
620 | } | |
621 | break; | |
622 | } | |
623 | ||
624 | /* A const static symbol in the .text section will have an N_FUN | |
625 | entry. We need to use these to mark the end of the function, | |
626 | in case we are looking at gcc output before it was changed to | |
627 | always emit an empty N_FUN. We can't call debug_end_function | |
628 | here, because it might be a local static symbol. */ | |
629 | if (info->within_function | |
630 | && (info->function_end == (bfd_vma) -1 | |
631 | || value < info->function_end)) | |
632 | info->function_end = value; | |
633 | ||
634 | /* Fall through. */ | |
635 | /* FIXME: gdb checks the string for N_STSYM, N_LCSYM or N_ROSYM | |
636 | symbols, and if it does not start with :S, gdb relocates the | |
637 | value to the start of the section. gcc always seems to use | |
638 | :S, so we don't worry about this. */ | |
639 | /* Fall through. */ | |
640 | default: | |
641 | { | |
642 | const char *colon; | |
643 | ||
644 | colon = strchr (string, ':'); | |
645 | if (colon != NULL | |
646 | && (colon[1] == 'f' || colon[1] == 'F')) | |
647 | { | |
648 | if (info->within_function) | |
649 | { | |
650 | bfd_vma endval; | |
651 | ||
652 | endval = value; | |
653 | if (info->function_end != (bfd_vma) -1 | |
654 | && info->function_end < endval) | |
655 | endval = info->function_end; | |
656 | if (! stab_emit_pending_vars (dhandle, info) | |
657 | || ! debug_end_function (dhandle, endval)) | |
b34976b6 | 658 | return FALSE; |
252b5132 RH |
659 | info->function_end = (bfd_vma) -1; |
660 | } | |
661 | /* For stabs in sections, line numbers and block addresses | |
662 | are offsets from the start of the function. */ | |
663 | if (info->sections) | |
664 | info->function_start_offset = value; | |
b34976b6 | 665 | info->within_function = TRUE; |
252b5132 RH |
666 | } |
667 | ||
81db3241 | 668 | if (! parse_stab_string (dhandle, info, type, desc, value, string, string_end)) |
b34976b6 | 669 | return FALSE; |
252b5132 RH |
670 | } |
671 | break; | |
672 | ||
673 | case N_OPT: | |
674 | if (string != NULL && strcmp (string, "gcc2_compiled.") == 0) | |
675 | info->gcc_compiled = 2; | |
676 | else if (string != NULL && strcmp (string, "gcc_compiled.") == 0) | |
677 | info->gcc_compiled = 1; | |
678 | else | |
b34976b6 | 679 | info->n_opt_found = TRUE; |
252b5132 RH |
680 | break; |
681 | ||
682 | case N_OBJ: | |
683 | case N_ENDM: | |
684 | case N_MAIN: | |
8855cbca | 685 | case N_WARNING: |
252b5132 RH |
686 | break; |
687 | } | |
688 | ||
b34976b6 | 689 | return TRUE; |
252b5132 RH |
690 | } |
691 | ||
692 | /* Parse the stabs string. */ | |
693 | ||
b34976b6 | 694 | static bfd_boolean |
2da42df6 | 695 | parse_stab_string (void *dhandle, struct stab_handle *info, int stabtype, |
81db3241 NC |
696 | int desc ATTRIBUTE_UNUSED, bfd_vma value, |
697 | const char *string, const char * string_end) | |
252b5132 RH |
698 | { |
699 | const char *p; | |
700 | char *name; | |
701 | int type; | |
702 | debug_type dtype; | |
b34976b6 AM |
703 | bfd_boolean synonym; |
704 | bfd_boolean self_crossref; | |
252b5132 RH |
705 | debug_type *slot; |
706 | ||
707 | p = strchr (string, ':'); | |
708 | if (p == NULL) | |
b34976b6 | 709 | return TRUE; |
252b5132 RH |
710 | |
711 | while (p[1] == ':') | |
712 | { | |
713 | p += 2; | |
714 | p = strchr (p, ':'); | |
715 | if (p == NULL) | |
716 | { | |
717 | bad_stab (string); | |
b34976b6 | 718 | return FALSE; |
252b5132 RH |
719 | } |
720 | } | |
721 | ||
252b5132 RH |
722 | /* FIXME: Sometimes the special C++ names start with '.'. */ |
723 | name = NULL; | |
724 | if (string[0] == '$') | |
725 | { | |
726 | switch (string[1]) | |
727 | { | |
728 | case 't': | |
729 | name = "this"; | |
730 | break; | |
731 | case 'v': | |
732 | /* Was: name = "vptr"; */ | |
733 | break; | |
734 | case 'e': | |
735 | name = "eh_throw"; | |
736 | break; | |
737 | case '_': | |
738 | /* This was an anonymous type that was never fixed up. */ | |
739 | break; | |
740 | case 'X': | |
741 | /* SunPRO (3.0 at least) static variable encoding. */ | |
742 | break; | |
743 | default: | |
744 | warn_stab (string, _("unknown C++ encoded name")); | |
745 | break; | |
746 | } | |
747 | } | |
748 | ||
749 | if (name == NULL) | |
750 | { | |
751 | if (p == string || (string[0] == ' ' && p == string + 1)) | |
752 | name = NULL; | |
753 | else | |
754 | name = savestring (string, p - string); | |
755 | } | |
756 | ||
757 | ++p; | |
3882b010 | 758 | if (ISDIGIT (*p) || *p == '(' || *p == '-') |
252b5132 | 759 | type = 'l'; |
81db3241 NC |
760 | else if (*p == 0) |
761 | { | |
762 | bad_stab (string); | |
763 | return FALSE; | |
764 | } | |
252b5132 RH |
765 | else |
766 | type = *p++; | |
767 | ||
768 | switch (type) | |
769 | { | |
770 | case 'c': | |
771 | /* c is a special case, not followed by a type-number. | |
772 | SYMBOL:c=iVALUE for an integer constant symbol. | |
773 | SYMBOL:c=rVALUE for a floating constant symbol. | |
774 | SYMBOL:c=eTYPE,INTVALUE for an enum constant symbol. | |
775 | e.g. "b:c=e6,0" for "const b = blob1" | |
776 | (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */ | |
777 | if (*p != '=') | |
778 | { | |
779 | bad_stab (string); | |
b34976b6 | 780 | return FALSE; |
252b5132 RH |
781 | } |
782 | ++p; | |
783 | switch (*p++) | |
784 | { | |
785 | case 'r': | |
786 | /* Floating point constant. */ | |
787 | if (! debug_record_float_const (dhandle, name, atof (p))) | |
b34976b6 | 788 | return FALSE; |
252b5132 RH |
789 | break; |
790 | case 'i': | |
791 | /* Integer constant. */ | |
792 | /* Defining integer constants this way is kind of silly, | |
793 | since 'e' constants allows the compiler to give not only | |
794 | the value, but the type as well. C has at least int, | |
795 | long, unsigned int, and long long as constant types; | |
796 | other languages probably should have at least unsigned as | |
797 | well as signed constants. */ | |
798 | if (! debug_record_int_const (dhandle, name, atoi (p))) | |
b34976b6 | 799 | return FALSE; |
252b5132 RH |
800 | break; |
801 | case 'e': | |
802 | /* SYMBOL:c=eTYPE,INTVALUE for a constant symbol whose value | |
803 | can be represented as integral. | |
804 | e.g. "b:c=e6,0" for "const b = blob1" | |
805 | (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */ | |
806 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
81db3241 | 807 | &p, (debug_type **) NULL, string_end); |
252b5132 | 808 | if (dtype == DEBUG_TYPE_NULL) |
b34976b6 | 809 | return FALSE; |
252b5132 RH |
810 | if (*p != ',') |
811 | { | |
812 | bad_stab (string); | |
b34976b6 | 813 | return FALSE; |
252b5132 RH |
814 | } |
815 | if (! debug_record_typed_const (dhandle, name, dtype, atoi (p))) | |
b34976b6 | 816 | return FALSE; |
252b5132 RH |
817 | break; |
818 | default: | |
819 | bad_stab (string); | |
b34976b6 | 820 | return FALSE; |
252b5132 RH |
821 | } |
822 | ||
823 | break; | |
824 | ||
825 | case 'C': | |
826 | /* The name of a caught exception. */ | |
827 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
81db3241 | 828 | &p, (debug_type **) NULL, string_end); |
252b5132 | 829 | if (dtype == DEBUG_TYPE_NULL) |
b34976b6 | 830 | return FALSE; |
252b5132 | 831 | if (! debug_record_label (dhandle, name, dtype, value)) |
b34976b6 | 832 | return FALSE; |
252b5132 RH |
833 | break; |
834 | ||
835 | case 'f': | |
836 | case 'F': | |
837 | /* A function definition. */ | |
838 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
81db3241 | 839 | (debug_type **) NULL, string_end); |
252b5132 | 840 | if (dtype == DEBUG_TYPE_NULL) |
b34976b6 | 841 | return FALSE; |
252b5132 | 842 | if (! debug_record_function (dhandle, name, dtype, type == 'F', value)) |
b34976b6 | 843 | return FALSE; |
252b5132 RH |
844 | |
845 | /* Sun acc puts declared types of arguments here. We don't care | |
846 | about their actual types (FIXME -- we should remember the whole | |
847 | function prototype), but the list may define some new types | |
848 | that we have to remember, so we must scan it now. */ | |
849 | while (*p == ';') | |
850 | { | |
851 | ++p; | |
852 | if (parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
81db3241 | 853 | (debug_type **) NULL, string_end) |
252b5132 | 854 | == DEBUG_TYPE_NULL) |
b34976b6 | 855 | return FALSE; |
252b5132 RH |
856 | } |
857 | ||
858 | break; | |
859 | ||
860 | case 'G': | |
861 | { | |
252b5132 RH |
862 | asymbol **ps; |
863 | ||
864 | /* A global symbol. The value must be extracted from the | |
865 | symbol table. */ | |
866 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
81db3241 | 867 | (debug_type **) NULL, string_end); |
252b5132 | 868 | if (dtype == DEBUG_TYPE_NULL) |
b34976b6 | 869 | return FALSE; |
f41e4712 | 870 | if (name != NULL) |
252b5132 | 871 | { |
f41e4712 NC |
872 | char leading; |
873 | long c; | |
252b5132 | 874 | |
f41e4712 NC |
875 | leading = bfd_get_symbol_leading_char (info->abfd); |
876 | for (c = info->symcount, ps = info->syms; c > 0; --c, ++ps) | |
877 | { | |
878 | const char *n; | |
879 | ||
880 | n = bfd_asymbol_name (*ps); | |
881 | if (leading != '\0' && *n == leading) | |
882 | ++n; | |
883 | if (*n == *name && strcmp (n, name) == 0) | |
884 | break; | |
885 | } | |
886 | ||
887 | if (c > 0) | |
888 | value = bfd_asymbol_value (*ps); | |
252b5132 | 889 | } |
f41e4712 | 890 | |
252b5132 RH |
891 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_GLOBAL, |
892 | value)) | |
b34976b6 | 893 | return FALSE; |
252b5132 RH |
894 | } |
895 | break; | |
896 | ||
897 | /* This case is faked by a conditional above, when there is no | |
898 | code letter in the dbx data. Dbx data never actually | |
899 | contains 'l'. */ | |
900 | case 'l': | |
901 | case 's': | |
902 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
81db3241 | 903 | (debug_type **) NULL, string_end); |
252b5132 | 904 | if (dtype == DEBUG_TYPE_NULL) |
b34976b6 | 905 | return FALSE; |
252b5132 RH |
906 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_LOCAL, |
907 | value)) | |
b34976b6 | 908 | return FALSE; |
252b5132 RH |
909 | break; |
910 | ||
911 | case 'p': | |
912 | /* A function parameter. */ | |
913 | if (*p != 'F') | |
914 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
81db3241 | 915 | (debug_type **) NULL, string_end); |
252b5132 RH |
916 | else |
917 | { | |
918 | /* pF is a two-letter code that means a function parameter in | |
919 | Fortran. The type-number specifies the type of the return | |
920 | value. Translate it into a pointer-to-function type. */ | |
921 | ++p; | |
922 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
81db3241 | 923 | (debug_type **) NULL, string_end); |
252b5132 RH |
924 | if (dtype != DEBUG_TYPE_NULL) |
925 | { | |
926 | debug_type ftype; | |
927 | ||
928 | ftype = debug_make_function_type (dhandle, dtype, | |
b34976b6 | 929 | (debug_type *) NULL, FALSE); |
252b5132 RH |
930 | dtype = debug_make_pointer_type (dhandle, ftype); |
931 | } | |
932 | } | |
933 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 934 | return FALSE; |
252b5132 RH |
935 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_STACK, |
936 | value)) | |
b34976b6 | 937 | return FALSE; |
252b5132 RH |
938 | |
939 | /* FIXME: At this point gdb considers rearranging the parameter | |
940 | address on a big endian machine if it is smaller than an int. | |
941 | We have no way to do that, since we don't really know much | |
942 | about the target. */ | |
252b5132 RH |
943 | break; |
944 | ||
945 | case 'P': | |
946 | if (stabtype == N_FUN) | |
947 | { | |
948 | /* Prototype of a function referenced by this file. */ | |
949 | while (*p == ';') | |
950 | { | |
951 | ++p; | |
952 | if (parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
81db3241 | 953 | (debug_type **) NULL, string_end) |
252b5132 | 954 | == DEBUG_TYPE_NULL) |
b34976b6 | 955 | return FALSE; |
252b5132 RH |
956 | } |
957 | break; | |
958 | } | |
959 | /* Fall through. */ | |
960 | case 'R': | |
961 | /* Parameter which is in a register. */ | |
962 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
81db3241 | 963 | (debug_type **) NULL, string_end); |
252b5132 | 964 | if (dtype == DEBUG_TYPE_NULL) |
b34976b6 | 965 | return FALSE; |
252b5132 RH |
966 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REG, |
967 | value)) | |
b34976b6 | 968 | return FALSE; |
252b5132 RH |
969 | break; |
970 | ||
971 | case 'r': | |
972 | /* Register variable (either global or local). */ | |
973 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
81db3241 | 974 | (debug_type **) NULL, string_end); |
252b5132 | 975 | if (dtype == DEBUG_TYPE_NULL) |
b34976b6 | 976 | return FALSE; |
252b5132 RH |
977 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_REGISTER, |
978 | value)) | |
b34976b6 | 979 | return FALSE; |
252b5132 RH |
980 | |
981 | /* FIXME: At this point gdb checks to combine pairs of 'p' and | |
982 | 'r' stabs into a single 'P' stab. */ | |
252b5132 RH |
983 | break; |
984 | ||
985 | case 'S': | |
7eb5191a | 986 | /* Static symbol at top level of file. */ |
252b5132 | 987 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
81db3241 | 988 | (debug_type **) NULL, string_end); |
252b5132 | 989 | if (dtype == DEBUG_TYPE_NULL) |
b34976b6 | 990 | return FALSE; |
252b5132 RH |
991 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_STATIC, |
992 | value)) | |
b34976b6 | 993 | return FALSE; |
252b5132 RH |
994 | break; |
995 | ||
996 | case 't': | |
997 | /* A typedef. */ | |
81db3241 | 998 | dtype = parse_stab_type (dhandle, info, name, &p, &slot, string_end); |
252b5132 | 999 | if (dtype == DEBUG_TYPE_NULL) |
b34976b6 | 1000 | return FALSE; |
252b5132 RH |
1001 | if (name == NULL) |
1002 | { | |
1003 | /* A nameless type. Nothing to do. */ | |
b34976b6 | 1004 | return TRUE; |
252b5132 RH |
1005 | } |
1006 | ||
1007 | dtype = debug_name_type (dhandle, name, dtype); | |
1008 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1009 | return FALSE; |
252b5132 RH |
1010 | |
1011 | if (slot != NULL) | |
1012 | *slot = dtype; | |
1013 | ||
1014 | break; | |
1015 | ||
1016 | case 'T': | |
de194d85 | 1017 | /* Struct, union, or enum tag. For GNU C++, this can be followed |
252b5132 RH |
1018 | by 't' which means we are typedef'ing it as well. */ |
1019 | if (*p != 't') | |
1020 | { | |
b34976b6 AM |
1021 | synonym = FALSE; |
1022 | /* FIXME: gdb sets synonym to TRUE if the current language | |
252b5132 RH |
1023 | is C++. */ |
1024 | } | |
1025 | else | |
1026 | { | |
b34976b6 | 1027 | synonym = TRUE; |
252b5132 RH |
1028 | ++p; |
1029 | } | |
1030 | ||
81db3241 | 1031 | dtype = parse_stab_type (dhandle, info, name, &p, &slot, string_end); |
252b5132 | 1032 | if (dtype == DEBUG_TYPE_NULL) |
b34976b6 | 1033 | return FALSE; |
252b5132 | 1034 | if (name == NULL) |
b34976b6 | 1035 | return TRUE; |
252b5132 RH |
1036 | |
1037 | /* INFO->SELF_CROSSREF is set by parse_stab_type if this type is | |
1038 | a cross reference to itself. These are generated by some | |
1039 | versions of g++. */ | |
1040 | self_crossref = info->self_crossref; | |
1041 | ||
1042 | dtype = debug_tag_type (dhandle, name, dtype); | |
1043 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1044 | return FALSE; |
252b5132 RH |
1045 | if (slot != NULL) |
1046 | *slot = dtype; | |
1047 | ||
1048 | /* See if we have a cross reference to this tag which we can now | |
1049 | fill in. Avoid filling in a cross reference to ourselves, | |
1050 | because that would lead to circular debugging information. */ | |
1051 | if (! self_crossref) | |
1052 | { | |
1053 | register struct stab_tag **pst; | |
1054 | ||
1055 | for (pst = &info->tags; *pst != NULL; pst = &(*pst)->next) | |
1056 | { | |
1057 | if ((*pst)->name[0] == name[0] | |
1058 | && strcmp ((*pst)->name, name) == 0) | |
1059 | { | |
1060 | (*pst)->slot = dtype; | |
1061 | *pst = (*pst)->next; | |
1062 | break; | |
1063 | } | |
1064 | } | |
1065 | } | |
1066 | ||
1067 | if (synonym) | |
1068 | { | |
1069 | dtype = debug_name_type (dhandle, name, dtype); | |
1070 | if (dtype == DEBUG_TYPE_NULL) | |
b34976b6 | 1071 | return FALSE; |
252b5132 RH |
1072 | |
1073 | if (slot != NULL) | |
1074 | *slot = dtype; | |
1075 | } | |
1076 | ||
1077 | break; | |
1078 | ||
1079 | case 'V': | |
1080 | /* Static symbol of local scope */ | |
1081 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
81db3241 | 1082 | (debug_type **) NULL, string_end); |
252b5132 | 1083 | if (dtype == DEBUG_TYPE_NULL) |
b34976b6 | 1084 | return FALSE; |
252b5132 RH |
1085 | /* FIXME: gdb checks os9k_stabs here. */ |
1086 | if (! stab_record_variable (dhandle, info, name, dtype, | |
1087 | DEBUG_LOCAL_STATIC, value)) | |
b34976b6 | 1088 | return FALSE; |
252b5132 RH |
1089 | break; |
1090 | ||
1091 | case 'v': | |
1092 | /* Reference parameter. */ | |
1093 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
81db3241 | 1094 | (debug_type **) NULL, string_end); |
252b5132 | 1095 | if (dtype == DEBUG_TYPE_NULL) |
b34976b6 | 1096 | return FALSE; |
252b5132 RH |
1097 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REFERENCE, |
1098 | value)) | |
b34976b6 | 1099 | return FALSE; |
252b5132 RH |
1100 | break; |
1101 | ||
1102 | case 'a': | |
1103 | /* Reference parameter which is in a register. */ | |
1104 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
81db3241 | 1105 | (debug_type **) NULL, string_end); |
252b5132 | 1106 | if (dtype == DEBUG_TYPE_NULL) |
b34976b6 | 1107 | return FALSE; |
252b5132 RH |
1108 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REF_REG, |
1109 | value)) | |
b34976b6 | 1110 | return FALSE; |
252b5132 RH |
1111 | break; |
1112 | ||
1113 | case 'X': | |
1114 | /* This is used by Sun FORTRAN for "function result value". | |
1115 | Sun claims ("dbx and dbxtool interfaces", 2nd ed) | |
1116 | that Pascal uses it too, but when I tried it Pascal used | |
1117 | "x:3" (local symbol) instead. */ | |
1118 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, | |
81db3241 | 1119 | (debug_type **) NULL, string_end); |
252b5132 | 1120 | if (dtype == DEBUG_TYPE_NULL) |
b34976b6 | 1121 | return FALSE; |
252b5132 RH |
1122 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_LOCAL, |
1123 | value)) | |
b34976b6 | 1124 | return FALSE; |
252b5132 RH |
1125 | break; |
1126 | ||
6176abac NC |
1127 | case 'Y': |
1128 | /* SUNPro C++ Namespace =Yn0. */ | |
1129 | /* Skip the namespace mapping, as it is not used now. */ | |
1130 | if (*(++p) == 'n' && *(++p) == '0') | |
1131 | { | |
1132 | /* =Yn0name; */ | |
1133 | while (*p != ';') | |
1134 | ++p; | |
1135 | ++p; | |
1136 | return TRUE; | |
1137 | } | |
1138 | /* TODO SUNPro C++ support: | |
1139 | Support default arguments after F,P parameters | |
1140 | Ya = Anonymous unions | |
1141 | YM,YD = Pointers to class members | |
1142 | YT,YI = Templates | |
1143 | YR = Run-time type information (RTTI) */ | |
1144 | ||
1145 | /* Fall through. */ | |
1146 | ||
252b5132 RH |
1147 | default: |
1148 | bad_stab (string); | |
b34976b6 | 1149 | return FALSE; |
252b5132 RH |
1150 | } |
1151 | ||
1152 | /* FIXME: gdb converts structure values to structure pointers in a | |
1153 | couple of cases, depending upon the target. */ | |
1154 | ||
b34976b6 | 1155 | return TRUE; |
252b5132 RH |
1156 | } |
1157 | ||
1158 | /* Parse a stabs type. The typename argument is non-NULL if this is a | |
1159 | typedef or a tag definition. The pp argument points to the stab | |
1160 | string, and is updated. The slotp argument points to a place to | |
1161 | store the slot used if the type is being defined. */ | |
1162 | ||
1163 | static debug_type | |
81db3241 NC |
1164 | parse_stab_type (void * dhandle, |
1165 | struct stab_handle * info, | |
1166 | const char * type_name, | |
1167 | const char ** pp, | |
1168 | debug_type ** slotp, | |
1169 | const char * p_end) | |
252b5132 RH |
1170 | { |
1171 | const char *orig; | |
1172 | int typenums[2]; | |
1173 | int size; | |
b34976b6 | 1174 | bfd_boolean stringp; |
252b5132 RH |
1175 | int descriptor; |
1176 | debug_type dtype; | |
1177 | ||
1178 | if (slotp != NULL) | |
1179 | *slotp = NULL; | |
1180 | ||
1181 | orig = *pp; | |
81db3241 NC |
1182 | if (orig >= p_end) |
1183 | return DEBUG_TYPE_NULL; | |
252b5132 RH |
1184 | |
1185 | size = -1; | |
b34976b6 | 1186 | stringp = FALSE; |
252b5132 | 1187 | |
b34976b6 | 1188 | info->self_crossref = FALSE; |
252b5132 RH |
1189 | |
1190 | /* Read type number if present. The type number may be omitted. | |
1191 | for instance in a two-dimensional array declared with type | |
1192 | "ar1;1;10;ar1;1;10;4". */ | |
3882b010 | 1193 | if (! ISDIGIT (**pp) && **pp != '(' && **pp != '-') |
252b5132 RH |
1194 | { |
1195 | /* 'typenums=' not present, type is anonymous. Read and return | |
1196 | the definition, but don't put it in the type vector. */ | |
1197 | typenums[0] = typenums[1] = -1; | |
1198 | } | |
1199 | else | |
1200 | { | |
81db3241 | 1201 | if (! parse_stab_type_number (pp, typenums, p_end)) |
252b5132 RH |
1202 | return DEBUG_TYPE_NULL; |
1203 | ||
1204 | if (**pp != '=') | |
7eb5191a NC |
1205 | /* Type is not being defined here. Either it already |
1206 | exists, or this is a forward reference to it. */ | |
1207 | return stab_find_type (dhandle, info, typenums); | |
252b5132 RH |
1208 | |
1209 | /* Only set the slot if the type is being defined. This means | |
1210 | that the mapping from type numbers to types will only record | |
1211 | the name of the typedef which defines a type. If we don't do | |
1212 | this, then something like | |
1213 | typedef int foo; | |
1214 | int i; | |
1215 | will record that i is of type foo. Unfortunately, stabs | |
1216 | information is ambiguous about variable types. For this code, | |
1217 | typedef int foo; | |
1218 | int i; | |
1219 | foo j; | |
1220 | the stabs information records both i and j as having the same | |
1221 | type. This could be fixed by patching the compiler. */ | |
1222 | if (slotp != NULL && typenums[0] >= 0 && typenums[1] >= 0) | |
1223 | *slotp = stab_find_slot (info, typenums); | |
1224 | ||
1225 | /* Type is being defined here. */ | |
1226 | /* Skip the '='. */ | |
1227 | ++*pp; | |
1228 | ||
1229 | while (**pp == '@') | |
1230 | { | |
1231 | const char *p = *pp + 1; | |
1232 | const char *attr; | |
1233 | ||
3882b010 | 1234 | if (ISDIGIT (*p) || *p == '(' || *p == '-') |
7eb5191a NC |
1235 | /* Member type. */ |
1236 | break; | |
252b5132 RH |
1237 | |
1238 | /* Type attributes. */ | |
1239 | attr = p; | |
1240 | ||
1241 | for (; *p != ';'; ++p) | |
1242 | { | |
1243 | if (*p == '\0') | |
1244 | { | |
1245 | bad_stab (orig); | |
1246 | return DEBUG_TYPE_NULL; | |
1247 | } | |
1248 | } | |
1249 | *pp = p + 1; | |
1250 | ||
1251 | switch (*attr) | |
1252 | { | |
1253 | case 's': | |
1254 | size = atoi (attr + 1); | |
944e5c61 | 1255 | size /= 8; /* Size is in bits. We store it in bytes. */ |
252b5132 RH |
1256 | if (size <= 0) |
1257 | size = -1; | |
1258 | break; | |
1259 | ||
1260 | case 'S': | |
b34976b6 | 1261 | stringp = TRUE; |
252b5132 RH |
1262 | break; |
1263 | ||
81db3241 NC |
1264 | case 0: |
1265 | bad_stab (orig); | |
1266 | return DEBUG_TYPE_NULL; | |
1267 | ||
252b5132 RH |
1268 | default: |
1269 | /* Ignore unrecognized type attributes, so future | |
1270 | compilers can invent new ones. */ | |
1271 | break; | |
1272 | } | |
1273 | } | |
1274 | } | |
1275 | ||
1276 | descriptor = **pp; | |
1277 | ++*pp; | |
1278 | ||
1279 | switch (descriptor) | |
1280 | { | |
1281 | case 'x': | |
1282 | { | |
1283 | enum debug_type_kind code; | |
1284 | const char *q1, *q2, *p; | |
1285 | ||
1286 | /* A cross reference to another type. */ | |
252b5132 RH |
1287 | switch (**pp) |
1288 | { | |
1289 | case 's': | |
1290 | code = DEBUG_KIND_STRUCT; | |
1291 | break; | |
1292 | case 'u': | |
1293 | code = DEBUG_KIND_UNION; | |
1294 | break; | |
1295 | case 'e': | |
1296 | code = DEBUG_KIND_ENUM; | |
1297 | break; | |
81db3241 NC |
1298 | case 0: |
1299 | bad_stab (orig); | |
1300 | return DEBUG_TYPE_NULL; | |
1301 | ||
252b5132 RH |
1302 | default: |
1303 | /* Complain and keep going, so compilers can invent new | |
1304 | cross-reference types. */ | |
1305 | warn_stab (orig, _("unrecognized cross reference type")); | |
1306 | code = DEBUG_KIND_STRUCT; | |
1307 | break; | |
1308 | } | |
1309 | ++*pp; | |
1310 | ||
1311 | q1 = strchr (*pp, '<'); | |
1312 | p = strchr (*pp, ':'); | |
1313 | if (p == NULL) | |
1314 | { | |
1315 | bad_stab (orig); | |
1316 | return DEBUG_TYPE_NULL; | |
1317 | } | |
c602a165 | 1318 | if (q1 != NULL && p > q1 && p[1] == ':') |
252b5132 | 1319 | { |
c602a165 ILT |
1320 | int nest = 0; |
1321 | ||
1322 | for (q2 = q1; *q2 != '\0'; ++q2) | |
1323 | { | |
1324 | if (*q2 == '<') | |
1325 | ++nest; | |
1326 | else if (*q2 == '>') | |
1327 | --nest; | |
1328 | else if (*q2 == ':' && nest == 0) | |
1329 | break; | |
1330 | } | |
1331 | p = q2; | |
1332 | if (*p != ':') | |
252b5132 RH |
1333 | { |
1334 | bad_stab (orig); | |
1335 | return DEBUG_TYPE_NULL; | |
1336 | } | |
1337 | } | |
1338 | ||
1339 | /* Some versions of g++ can emit stabs like | |
1340 | fleep:T20=xsfleep: | |
1341 | which define structures in terms of themselves. We need to | |
1342 | tell the caller to avoid building a circular structure. */ | |
3f5e193b NC |
1343 | if (type_name != NULL |
1344 | && strncmp (type_name, *pp, p - *pp) == 0 | |
1345 | && type_name[p - *pp] == '\0') | |
b34976b6 | 1346 | info->self_crossref = TRUE; |
252b5132 RH |
1347 | |
1348 | dtype = stab_find_tagged_type (dhandle, info, *pp, p - *pp, code); | |
1349 | ||
1350 | *pp = p + 1; | |
1351 | } | |
1352 | break; | |
1353 | ||
1354 | case '-': | |
1355 | case '0': | |
1356 | case '1': | |
1357 | case '2': | |
1358 | case '3': | |
1359 | case '4': | |
1360 | case '5': | |
1361 | case '6': | |
1362 | case '7': | |
1363 | case '8': | |
1364 | case '9': | |
1365 | case '(': | |
1366 | { | |
1367 | const char *hold; | |
1368 | int xtypenums[2]; | |
1369 | ||
1370 | /* This type is defined as another type. */ | |
252b5132 RH |
1371 | (*pp)--; |
1372 | hold = *pp; | |
1373 | ||
1374 | /* Peek ahead at the number to detect void. */ | |
81db3241 | 1375 | if (! parse_stab_type_number (pp, xtypenums, p_end)) |
252b5132 RH |
1376 | return DEBUG_TYPE_NULL; |
1377 | ||
1378 | if (typenums[0] == xtypenums[0] && typenums[1] == xtypenums[1]) | |
1379 | { | |
1380 | /* This type is being defined as itself, which means that | |
1381 | it is void. */ | |
1382 | dtype = debug_make_void_type (dhandle); | |
1383 | } | |
1384 | else | |
1385 | { | |
1386 | *pp = hold; | |
1387 | ||
1388 | /* Go back to the number and have parse_stab_type get it. | |
1389 | This means that we can deal with something like | |
1390 | t(1,2)=(3,4)=... which the Lucid compiler uses. */ | |
1391 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, | |
81db3241 | 1392 | pp, (debug_type **) NULL, p_end); |
252b5132 RH |
1393 | if (dtype == DEBUG_TYPE_NULL) |
1394 | return DEBUG_TYPE_NULL; | |
1395 | } | |
1396 | ||
1397 | if (typenums[0] != -1) | |
1398 | { | |
1399 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1400 | return DEBUG_TYPE_NULL; | |
1401 | } | |
1402 | ||
1403 | break; | |
1404 | } | |
1405 | ||
1406 | case '*': | |
1407 | dtype = debug_make_pointer_type (dhandle, | |
1408 | parse_stab_type (dhandle, info, | |
1409 | (const char *) NULL, | |
1410 | pp, | |
81db3241 NC |
1411 | (debug_type **) NULL, |
1412 | p_end)); | |
252b5132 RH |
1413 | break; |
1414 | ||
1415 | case '&': | |
1416 | /* Reference to another type. */ | |
1417 | dtype = (debug_make_reference_type | |
1418 | (dhandle, | |
1419 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
81db3241 | 1420 | (debug_type **) NULL, p_end))); |
252b5132 RH |
1421 | break; |
1422 | ||
1423 | case 'f': | |
1424 | /* Function returning another type. */ | |
1425 | /* FIXME: gdb checks os9k_stabs here. */ | |
1426 | dtype = (debug_make_function_type | |
1427 | (dhandle, | |
1428 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
81db3241 | 1429 | (debug_type **) NULL, p_end), |
b34976b6 | 1430 | (debug_type *) NULL, FALSE)); |
252b5132 RH |
1431 | break; |
1432 | ||
1433 | case 'k': | |
1434 | /* Const qualifier on some type (Sun). */ | |
1435 | /* FIXME: gdb accepts 'c' here if os9k_stabs. */ | |
1436 | dtype = debug_make_const_type (dhandle, | |
1437 | parse_stab_type (dhandle, info, | |
1438 | (const char *) NULL, | |
1439 | pp, | |
81db3241 NC |
1440 | (debug_type **) NULL, |
1441 | p_end)); | |
252b5132 RH |
1442 | break; |
1443 | ||
1444 | case 'B': | |
1445 | /* Volatile qual on some type (Sun). */ | |
1446 | /* FIXME: gdb accepts 'i' here if os9k_stabs. */ | |
1447 | dtype = (debug_make_volatile_type | |
1448 | (dhandle, | |
1449 | parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
81db3241 | 1450 | (debug_type **) NULL, p_end))); |
252b5132 RH |
1451 | break; |
1452 | ||
1453 | case '@': | |
1454 | /* Offset (class & variable) type. This is used for a pointer | |
1455 | relative to an object. */ | |
1456 | { | |
1457 | debug_type domain; | |
1458 | debug_type memtype; | |
1459 | ||
1460 | /* Member type. */ | |
1461 | ||
1462 | domain = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
81db3241 | 1463 | (debug_type **) NULL, p_end); |
252b5132 RH |
1464 | if (domain == DEBUG_TYPE_NULL) |
1465 | return DEBUG_TYPE_NULL; | |
1466 | ||
1467 | if (**pp != ',') | |
1468 | { | |
1469 | bad_stab (orig); | |
1470 | return DEBUG_TYPE_NULL; | |
1471 | } | |
1472 | ++*pp; | |
1473 | ||
1474 | memtype = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
81db3241 | 1475 | (debug_type **) NULL, p_end); |
252b5132 RH |
1476 | if (memtype == DEBUG_TYPE_NULL) |
1477 | return DEBUG_TYPE_NULL; | |
1478 | ||
1479 | dtype = debug_make_offset_type (dhandle, domain, memtype); | |
1480 | } | |
1481 | break; | |
1482 | ||
1483 | case '#': | |
1484 | /* Method (class & fn) type. */ | |
1485 | if (**pp == '#') | |
1486 | { | |
1487 | debug_type return_type; | |
1488 | ||
1489 | ++*pp; | |
1490 | return_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
81db3241 | 1491 | pp, (debug_type **) NULL, p_end); |
252b5132 RH |
1492 | if (return_type == DEBUG_TYPE_NULL) |
1493 | return DEBUG_TYPE_NULL; | |
1494 | if (**pp != ';') | |
1495 | { | |
1496 | bad_stab (orig); | |
1497 | return DEBUG_TYPE_NULL; | |
1498 | } | |
1499 | ++*pp; | |
1500 | dtype = debug_make_method_type (dhandle, return_type, | |
1501 | DEBUG_TYPE_NULL, | |
b34976b6 | 1502 | (debug_type *) NULL, FALSE); |
252b5132 RH |
1503 | } |
1504 | else | |
1505 | { | |
1506 | debug_type domain; | |
1507 | debug_type return_type; | |
1508 | debug_type *args; | |
1509 | unsigned int n; | |
1510 | unsigned int alloc; | |
b34976b6 | 1511 | bfd_boolean varargs; |
252b5132 RH |
1512 | |
1513 | domain = parse_stab_type (dhandle, info, (const char *) NULL, | |
81db3241 | 1514 | pp, (debug_type **) NULL, p_end); |
252b5132 RH |
1515 | if (domain == DEBUG_TYPE_NULL) |
1516 | return DEBUG_TYPE_NULL; | |
1517 | ||
1518 | if (**pp != ',') | |
1519 | { | |
1520 | bad_stab (orig); | |
1521 | return DEBUG_TYPE_NULL; | |
1522 | } | |
1523 | ++*pp; | |
1524 | ||
1525 | return_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
81db3241 | 1526 | pp, (debug_type **) NULL, p_end); |
252b5132 RH |
1527 | if (return_type == DEBUG_TYPE_NULL) |
1528 | return DEBUG_TYPE_NULL; | |
1529 | ||
1530 | alloc = 10; | |
1531 | args = (debug_type *) xmalloc (alloc * sizeof *args); | |
1532 | n = 0; | |
1533 | while (**pp != ';') | |
1534 | { | |
1535 | if (**pp != ',') | |
1536 | { | |
1537 | bad_stab (orig); | |
1538 | return DEBUG_TYPE_NULL; | |
1539 | } | |
1540 | ++*pp; | |
1541 | ||
1542 | if (n + 1 >= alloc) | |
1543 | { | |
1544 | alloc += 10; | |
1545 | args = ((debug_type *) | |
2da42df6 | 1546 | xrealloc (args, alloc * sizeof *args)); |
252b5132 RH |
1547 | } |
1548 | ||
1549 | args[n] = parse_stab_type (dhandle, info, (const char *) NULL, | |
81db3241 | 1550 | pp, (debug_type **) NULL, p_end); |
252b5132 RH |
1551 | if (args[n] == DEBUG_TYPE_NULL) |
1552 | return DEBUG_TYPE_NULL; | |
1553 | ++n; | |
1554 | } | |
1555 | ++*pp; | |
1556 | ||
1557 | /* If the last type is not void, then this function takes a | |
1558 | variable number of arguments. Otherwise, we must strip | |
1559 | the void type. */ | |
1560 | if (n == 0 | |
1561 | || debug_get_type_kind (dhandle, args[n - 1]) != DEBUG_KIND_VOID) | |
b34976b6 | 1562 | varargs = TRUE; |
252b5132 RH |
1563 | else |
1564 | { | |
1565 | --n; | |
b34976b6 | 1566 | varargs = FALSE; |
252b5132 RH |
1567 | } |
1568 | ||
1569 | args[n] = DEBUG_TYPE_NULL; | |
1570 | ||
1571 | dtype = debug_make_method_type (dhandle, return_type, domain, args, | |
1572 | varargs); | |
1573 | } | |
1574 | break; | |
1575 | ||
1576 | case 'r': | |
1577 | /* Range type. */ | |
81db3241 | 1578 | dtype = parse_stab_range_type (dhandle, info, type_name, pp, typenums, p_end); |
252b5132 RH |
1579 | break; |
1580 | ||
1581 | case 'b': | |
1582 | /* FIXME: gdb checks os9k_stabs here. */ | |
1583 | /* Sun ACC builtin int type. */ | |
81db3241 | 1584 | dtype = parse_stab_sun_builtin_type (dhandle, pp, p_end); |
252b5132 RH |
1585 | break; |
1586 | ||
1587 | case 'R': | |
1588 | /* Sun ACC builtin float type. */ | |
81db3241 | 1589 | dtype = parse_stab_sun_floating_type (dhandle, pp, p_end); |
252b5132 RH |
1590 | break; |
1591 | ||
1592 | case 'e': | |
1593 | /* Enumeration type. */ | |
81db3241 | 1594 | dtype = parse_stab_enum_type (dhandle, pp, p_end); |
252b5132 RH |
1595 | break; |
1596 | ||
1597 | case 's': | |
1598 | case 'u': | |
1599 | /* Struct or union type. */ | |
3f5e193b | 1600 | dtype = parse_stab_struct_type (dhandle, info, type_name, pp, |
81db3241 | 1601 | descriptor == 's', typenums, p_end); |
252b5132 RH |
1602 | break; |
1603 | ||
1604 | case 'a': | |
1605 | /* Array type. */ | |
1606 | if (**pp != 'r') | |
1607 | { | |
1608 | bad_stab (orig); | |
1609 | return DEBUG_TYPE_NULL; | |
1610 | } | |
1611 | ++*pp; | |
1612 | ||
81db3241 | 1613 | dtype = parse_stab_array_type (dhandle, info, pp, stringp, p_end); |
252b5132 RH |
1614 | break; |
1615 | ||
1616 | case 'S': | |
1617 | dtype = debug_make_set_type (dhandle, | |
1618 | parse_stab_type (dhandle, info, | |
1619 | (const char *) NULL, | |
1620 | pp, | |
81db3241 NC |
1621 | (debug_type **) NULL, |
1622 | p_end), | |
252b5132 RH |
1623 | stringp); |
1624 | break; | |
1625 | ||
1626 | default: | |
1627 | bad_stab (orig); | |
1628 | return DEBUG_TYPE_NULL; | |
1629 | } | |
1630 | ||
1631 | if (dtype == DEBUG_TYPE_NULL) | |
1632 | return DEBUG_TYPE_NULL; | |
1633 | ||
1634 | if (typenums[0] != -1) | |
1635 | { | |
1636 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1637 | return DEBUG_TYPE_NULL; | |
1638 | } | |
1639 | ||
1640 | if (size != -1) | |
1641 | { | |
1642 | if (! debug_record_type_size (dhandle, dtype, (unsigned int) size)) | |
3dceb55b | 1643 | return DEBUG_TYPE_NULL; |
252b5132 RH |
1644 | } |
1645 | ||
1646 | return dtype; | |
1647 | } | |
1648 | ||
1649 | /* Read a number by which a type is referred to in dbx data, or | |
1650 | perhaps read a pair (FILENUM, TYPENUM) in parentheses. Just a | |
1651 | single number N is equivalent to (0,N). Return the two numbers by | |
1652 | storing them in the vector TYPENUMS. */ | |
1653 | ||
b34976b6 | 1654 | static bfd_boolean |
81db3241 | 1655 | parse_stab_type_number (const char **pp, int *typenums, const char *p_end) |
252b5132 RH |
1656 | { |
1657 | const char *orig; | |
1658 | ||
1659 | orig = *pp; | |
1660 | ||
1661 | if (**pp != '(') | |
1662 | { | |
1663 | typenums[0] = 0; | |
81db3241 NC |
1664 | typenums[1] = (int) parse_number (pp, (bfd_boolean *) NULL, p_end); |
1665 | return TRUE; | |
252b5132 | 1666 | } |
81db3241 NC |
1667 | |
1668 | ++*pp; | |
1669 | typenums[0] = (int) parse_number (pp, (bfd_boolean *) NULL, p_end); | |
1670 | if (**pp != ',') | |
252b5132 | 1671 | { |
81db3241 NC |
1672 | bad_stab (orig); |
1673 | return FALSE; | |
1674 | } | |
1675 | ||
1676 | ++*pp; | |
1677 | typenums[1] = (int) parse_number (pp, (bfd_boolean *) NULL, p_end); | |
1678 | if (**pp != ')') | |
1679 | { | |
1680 | bad_stab (orig); | |
1681 | return FALSE; | |
252b5132 RH |
1682 | } |
1683 | ||
81db3241 | 1684 | ++*pp; |
b34976b6 | 1685 | return TRUE; |
252b5132 RH |
1686 | } |
1687 | ||
1688 | /* Parse a range type. */ | |
1689 | ||
1690 | static debug_type | |
81db3241 NC |
1691 | parse_stab_range_type (void * dhandle, |
1692 | struct stab_handle * info, | |
1693 | const char * type_name, | |
1694 | const char ** pp, | |
1695 | const int * typenums, | |
1696 | const char * p_end) | |
252b5132 RH |
1697 | { |
1698 | const char *orig; | |
1699 | int rangenums[2]; | |
b34976b6 | 1700 | bfd_boolean self_subrange; |
252b5132 RH |
1701 | debug_type index_type; |
1702 | const char *s2, *s3; | |
1703 | bfd_signed_vma n2, n3; | |
b34976b6 | 1704 | bfd_boolean ov2, ov3; |
252b5132 RH |
1705 | |
1706 | orig = *pp; | |
81db3241 NC |
1707 | if (orig >= p_end) |
1708 | return DEBUG_TYPE_NULL; | |
252b5132 RH |
1709 | |
1710 | index_type = DEBUG_TYPE_NULL; | |
1711 | ||
1712 | /* First comes a type we are a subrange of. | |
1713 | In C it is usually 0, 1 or the type being defined. */ | |
81db3241 | 1714 | if (! parse_stab_type_number (pp, rangenums, p_end)) |
252b5132 RH |
1715 | return DEBUG_TYPE_NULL; |
1716 | ||
1717 | self_subrange = (rangenums[0] == typenums[0] | |
1718 | && rangenums[1] == typenums[1]); | |
1719 | ||
1720 | if (**pp == '=') | |
1721 | { | |
1722 | *pp = orig; | |
1723 | index_type = parse_stab_type (dhandle, info, (const char *) NULL, | |
81db3241 | 1724 | pp, (debug_type **) NULL, p_end); |
252b5132 RH |
1725 | if (index_type == DEBUG_TYPE_NULL) |
1726 | return DEBUG_TYPE_NULL; | |
1727 | } | |
1728 | ||
1729 | if (**pp == ';') | |
1730 | ++*pp; | |
1731 | ||
1732 | /* The remaining two operands are usually lower and upper bounds of | |
1733 | the range. But in some special cases they mean something else. */ | |
1734 | s2 = *pp; | |
81db3241 | 1735 | n2 = parse_number (pp, &ov2, p_end); |
252b5132 RH |
1736 | if (**pp != ';') |
1737 | { | |
1738 | bad_stab (orig); | |
1739 | return DEBUG_TYPE_NULL; | |
1740 | } | |
1741 | ++*pp; | |
1742 | ||
1743 | s3 = *pp; | |
81db3241 | 1744 | n3 = parse_number (pp, &ov3, p_end); |
252b5132 RH |
1745 | if (**pp != ';') |
1746 | { | |
1747 | bad_stab (orig); | |
1748 | return DEBUG_TYPE_NULL; | |
1749 | } | |
1750 | ++*pp; | |
1751 | ||
1752 | if (ov2 || ov3) | |
1753 | { | |
1754 | /* gcc will emit range stabs for long long types. Handle this | |
1755 | as a special case. FIXME: This needs to be more general. */ | |
7eb5191a NC |
1756 | #define LLLOW "01000000000000000000000;" |
1757 | #define LLHIGH "0777777777777777777777;" | |
252b5132 RH |
1758 | #define ULLHIGH "01777777777777777777777;" |
1759 | if (index_type == DEBUG_TYPE_NULL) | |
1760 | { | |
0112cd26 NC |
1761 | if (CONST_STRNEQ (s2, LLLOW) |
1762 | && CONST_STRNEQ (s3, LLHIGH)) | |
b34976b6 | 1763 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
1764 | if (! ov2 |
1765 | && n2 == 0 | |
0112cd26 | 1766 | && CONST_STRNEQ (s3, ULLHIGH)) |
b34976b6 | 1767 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1768 | } |
1769 | ||
1770 | warn_stab (orig, _("numeric overflow")); | |
1771 | } | |
1772 | ||
1773 | if (index_type == DEBUG_TYPE_NULL) | |
1774 | { | |
1775 | /* A type defined as a subrange of itself, with both bounds 0, | |
1776 | is void. */ | |
1777 | if (self_subrange && n2 == 0 && n3 == 0) | |
1778 | return debug_make_void_type (dhandle); | |
1779 | ||
1780 | /* A type defined as a subrange of itself, with n2 positive and | |
1781 | n3 zero, is a complex type, and n2 is the number of bytes. */ | |
1782 | if (self_subrange && n3 == 0 && n2 > 0) | |
1783 | return debug_make_complex_type (dhandle, n2); | |
1784 | ||
1785 | /* If n3 is zero and n2 is positive, this is a floating point | |
1786 | type, and n2 is the number of bytes. */ | |
1787 | if (n3 == 0 && n2 > 0) | |
1788 | return debug_make_float_type (dhandle, n2); | |
1789 | ||
1790 | /* If the upper bound is -1, this is an unsigned int. */ | |
1791 | if (n2 == 0 && n3 == -1) | |
1792 | { | |
1793 | /* When gcc is used with -gstabs, but not -gstabs+, it will emit | |
1794 | long long int:t6=r1;0;-1; | |
1795 | long long unsigned int:t7=r1;0;-1; | |
1796 | We hack here to handle this reasonably. */ | |
3f5e193b | 1797 | if (type_name != NULL) |
252b5132 | 1798 | { |
3f5e193b | 1799 | if (strcmp (type_name, "long long int") == 0) |
b34976b6 | 1800 | return debug_make_int_type (dhandle, 8, FALSE); |
3f5e193b | 1801 | else if (strcmp (type_name, "long long unsigned int") == 0) |
b34976b6 | 1802 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1803 | } |
1804 | /* FIXME: The size here really depends upon the target. */ | |
b34976b6 | 1805 | return debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
1806 | } |
1807 | ||
1808 | /* A range of 0 to 127 is char. */ | |
1809 | if (self_subrange && n2 == 0 && n3 == 127) | |
b34976b6 | 1810 | return debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
1811 | |
1812 | /* FIXME: gdb checks for the language CHILL here. */ | |
1813 | ||
1814 | if (n2 == 0) | |
1815 | { | |
1816 | if (n3 < 0) | |
b34976b6 | 1817 | return debug_make_int_type (dhandle, - n3, TRUE); |
252b5132 | 1818 | else if (n3 == 0xff) |
b34976b6 | 1819 | return debug_make_int_type (dhandle, 1, TRUE); |
252b5132 | 1820 | else if (n3 == 0xffff) |
b34976b6 | 1821 | return debug_make_int_type (dhandle, 2, TRUE); |
b4c96d0d | 1822 | else if (n3 == (bfd_signed_vma) 0xffffffff) |
b34976b6 | 1823 | return debug_make_int_type (dhandle, 4, TRUE); |
252b5132 | 1824 | #ifdef BFD64 |
7cb9e39b | 1825 | else if (n3 == (bfd_signed_vma) 0xffffffffffffffffLL) |
b34976b6 | 1826 | return debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
1827 | #endif |
1828 | } | |
1829 | else if (n3 == 0 | |
1830 | && n2 < 0 | |
1831 | && (self_subrange || n2 == -8)) | |
b34976b6 | 1832 | return debug_make_int_type (dhandle, - n2, TRUE); |
252b5132 RH |
1833 | else if (n2 == - n3 - 1 || n2 == n3 + 1) |
1834 | { | |
1835 | if (n3 == 0x7f) | |
b34976b6 | 1836 | return debug_make_int_type (dhandle, 1, FALSE); |
252b5132 | 1837 | else if (n3 == 0x7fff) |
b34976b6 | 1838 | return debug_make_int_type (dhandle, 2, FALSE); |
252b5132 | 1839 | else if (n3 == 0x7fffffff) |
b34976b6 | 1840 | return debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
1841 | #ifdef BFD64 |
1842 | else if (n3 == ((((bfd_vma) 0x7fffffff) << 32) | 0xffffffff)) | |
b34976b6 | 1843 | return debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
1844 | #endif |
1845 | } | |
1846 | } | |
1847 | ||
1848 | /* At this point I don't have the faintest idea how to deal with a | |
1849 | self_subrange type; I'm going to assume that this is used as an | |
1850 | idiom, and that all of them are special cases. So . . . */ | |
1851 | if (self_subrange) | |
1852 | { | |
1853 | bad_stab (orig); | |
1854 | return DEBUG_TYPE_NULL; | |
1855 | } | |
1856 | ||
1857 | index_type = stab_find_type (dhandle, info, rangenums); | |
1858 | if (index_type == DEBUG_TYPE_NULL) | |
1859 | { | |
1860 | /* Does this actually ever happen? Is that why we are worrying | |
1861 | about dealing with it rather than just calling error_type? */ | |
1862 | warn_stab (orig, _("missing index type")); | |
b34976b6 | 1863 | index_type = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
1864 | } |
1865 | ||
1866 | return debug_make_range_type (dhandle, index_type, n2, n3); | |
1867 | } | |
1868 | ||
1869 | /* Sun's ACC uses a somewhat saner method for specifying the builtin | |
1870 | typedefs in every file (for int, long, etc): | |
1871 | ||
1872 | type = b <signed> <width>; <offset>; <nbits> | |
1873 | signed = u or s. Possible c in addition to u or s (for char?). | |
1874 | offset = offset from high order bit to start bit of type. | |
1875 | width is # bytes in object of this type, nbits is # bits in type. | |
1876 | ||
1877 | The width/offset stuff appears to be for small objects stored in | |
1878 | larger ones (e.g. `shorts' in `int' registers). We ignore it for now, | |
1879 | FIXME. */ | |
1880 | ||
1881 | static debug_type | |
81db3241 | 1882 | parse_stab_sun_builtin_type (void *dhandle, const char **pp, const char * p_end) |
252b5132 RH |
1883 | { |
1884 | const char *orig; | |
b34976b6 | 1885 | bfd_boolean unsignedp; |
252b5132 RH |
1886 | bfd_vma bits; |
1887 | ||
1888 | orig = *pp; | |
81db3241 NC |
1889 | if (orig >= p_end) |
1890 | return DEBUG_TYPE_NULL; | |
252b5132 RH |
1891 | |
1892 | switch (**pp) | |
1893 | { | |
1894 | case 's': | |
b34976b6 | 1895 | unsignedp = FALSE; |
252b5132 RH |
1896 | break; |
1897 | case 'u': | |
b34976b6 | 1898 | unsignedp = TRUE; |
252b5132 RH |
1899 | break; |
1900 | default: | |
1901 | bad_stab (orig); | |
1902 | return DEBUG_TYPE_NULL; | |
1903 | } | |
1904 | ++*pp; | |
1905 | ||
42b722c1 NC |
1906 | /* OpenSolaris source code indicates that one of "cbv" characters |
1907 | can come next and specify the intrinsic 'iformat' encoding. | |
1908 | 'c' is character encoding, 'b' is boolean encoding, and 'v' is | |
1909 | varargs encoding. This field can be safely ignored because | |
1910 | the type of the field is determined from the bitwidth extracted | |
1911 | below. */ | |
1912 | if (**pp == 'c' || **pp == 'b' || **pp == 'v') | |
252b5132 RH |
1913 | ++*pp; |
1914 | ||
1915 | /* The first number appears to be the number of bytes occupied | |
1916 | by this type, except that unsigned short is 4 instead of 2. | |
1917 | Since this information is redundant with the third number, | |
1918 | we will ignore it. */ | |
81db3241 | 1919 | (void) parse_number (pp, (bfd_boolean *) NULL, p_end); |
252b5132 RH |
1920 | if (**pp != ';') |
1921 | { | |
1922 | bad_stab (orig); | |
1923 | return DEBUG_TYPE_NULL; | |
1924 | } | |
1925 | ++*pp; | |
1926 | ||
9f66665a | 1927 | /* The second number is always 0, so ignore it too. */ |
81db3241 | 1928 | (void) parse_number (pp, (bfd_boolean *) NULL, p_end); |
252b5132 RH |
1929 | if (**pp != ';') |
1930 | { | |
1931 | bad_stab (orig); | |
1932 | return DEBUG_TYPE_NULL; | |
1933 | } | |
1934 | ++*pp; | |
1935 | ||
9f66665a | 1936 | /* The third number is the number of bits for this type. */ |
81db3241 | 1937 | bits = parse_number (pp, (bfd_boolean *) NULL, p_end); |
252b5132 RH |
1938 | |
1939 | /* The type *should* end with a semicolon. If it are embedded | |
1940 | in a larger type the semicolon may be the only way to know where | |
1941 | the type ends. If this type is at the end of the stabstring we | |
1942 | can deal with the omitted semicolon (but we don't have to like | |
1943 | it). Don't bother to complain(), Sun's compiler omits the semicolon | |
1944 | for "void". */ | |
1945 | if (**pp == ';') | |
1946 | ++*pp; | |
1947 | ||
1948 | if (bits == 0) | |
1949 | return debug_make_void_type (dhandle); | |
1950 | ||
1951 | return debug_make_int_type (dhandle, bits / 8, unsignedp); | |
1952 | } | |
1953 | ||
1954 | /* Parse a builtin floating type generated by the Sun compiler. */ | |
1955 | ||
1956 | static debug_type | |
81db3241 | 1957 | parse_stab_sun_floating_type (void *dhandle, const char **pp, const char *p_end) |
252b5132 RH |
1958 | { |
1959 | const char *orig; | |
1960 | bfd_vma details; | |
1961 | bfd_vma bytes; | |
1962 | ||
1963 | orig = *pp; | |
81db3241 NC |
1964 | if (orig >= p_end) |
1965 | return DEBUG_TYPE_NULL; | |
252b5132 RH |
1966 | |
1967 | /* The first number has more details about the type, for example | |
1968 | FN_COMPLEX. */ | |
81db3241 | 1969 | details = parse_number (pp, (bfd_boolean *) NULL, p_end); |
252b5132 RH |
1970 | if (**pp != ';') |
1971 | { | |
1972 | bad_stab (orig); | |
1973 | return DEBUG_TYPE_NULL; | |
1974 | } | |
1975 | ||
1976 | /* The second number is the number of bytes occupied by this type */ | |
81db3241 | 1977 | bytes = parse_number (pp, (bfd_boolean *) NULL, p_end); |
252b5132 RH |
1978 | if (**pp != ';') |
1979 | { | |
1980 | bad_stab (orig); | |
1981 | return DEBUG_TYPE_NULL; | |
1982 | } | |
1983 | ||
1984 | if (details == NF_COMPLEX | |
1985 | || details == NF_COMPLEX16 | |
1986 | || details == NF_COMPLEX32) | |
1987 | return debug_make_complex_type (dhandle, bytes); | |
1988 | ||
9f66665a | 1989 | return debug_make_float_type (dhandle, bytes); |
252b5132 RH |
1990 | } |
1991 | ||
1992 | /* Handle an enum type. */ | |
1993 | ||
1994 | static debug_type | |
81db3241 | 1995 | parse_stab_enum_type (void *dhandle, const char **pp, const char * p_end) |
252b5132 RH |
1996 | { |
1997 | const char *orig; | |
1998 | const char **names; | |
1999 | bfd_signed_vma *values; | |
2000 | unsigned int n; | |
2001 | unsigned int alloc; | |
2002 | ||
2003 | orig = *pp; | |
81db3241 NC |
2004 | if (orig >= p_end) |
2005 | return DEBUG_TYPE_NULL; | |
252b5132 RH |
2006 | |
2007 | /* FIXME: gdb checks os9k_stabs here. */ | |
2008 | ||
2009 | /* The aix4 compiler emits an extra field before the enum members; | |
2010 | my guess is it's a type of some sort. Just ignore it. */ | |
2011 | if (**pp == '-') | |
2012 | { | |
81db3241 | 2013 | while (**pp != ':' && **pp != 0) |
252b5132 | 2014 | ++*pp; |
81db3241 NC |
2015 | |
2016 | if (**pp == 0) | |
2017 | { | |
2018 | bad_stab (orig); | |
2019 | return DEBUG_TYPE_NULL; | |
2020 | } | |
252b5132 RH |
2021 | ++*pp; |
2022 | } | |
2023 | ||
2024 | /* Read the value-names and their values. | |
2025 | The input syntax is NAME:VALUE,NAME:VALUE, and so on. | |
2026 | A semicolon or comma instead of a NAME means the end. */ | |
2027 | alloc = 10; | |
2028 | names = (const char **) xmalloc (alloc * sizeof *names); | |
2029 | values = (bfd_signed_vma *) xmalloc (alloc * sizeof *values); | |
2030 | n = 0; | |
2031 | while (**pp != '\0' && **pp != ';' && **pp != ',') | |
2032 | { | |
2033 | const char *p; | |
2034 | char *name; | |
2035 | bfd_signed_vma val; | |
2036 | ||
2037 | p = *pp; | |
a2dea0b2 | 2038 | while (*p != ':' && *p != 0) |
252b5132 RH |
2039 | ++p; |
2040 | ||
a2dea0b2 NC |
2041 | if (*p == 0) |
2042 | { | |
2043 | bad_stab (orig); | |
2044 | free (names); | |
2045 | free (values); | |
2046 | return DEBUG_TYPE_NULL; | |
2047 | } | |
2048 | ||
252b5132 RH |
2049 | name = savestring (*pp, p - *pp); |
2050 | ||
2051 | *pp = p + 1; | |
81db3241 | 2052 | val = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL, p_end); |
252b5132 RH |
2053 | if (**pp != ',') |
2054 | { | |
2055 | bad_stab (orig); | |
1fcab1af NC |
2056 | free (name); |
2057 | free (names); | |
2058 | free (values); | |
252b5132 RH |
2059 | return DEBUG_TYPE_NULL; |
2060 | } | |
2061 | ++*pp; | |
2062 | ||
2063 | if (n + 1 >= alloc) | |
2064 | { | |
2065 | alloc += 10; | |
2066 | names = ((const char **) | |
2da42df6 | 2067 | xrealloc (names, alloc * sizeof *names)); |
252b5132 | 2068 | values = ((bfd_signed_vma *) |
2da42df6 | 2069 | xrealloc (values, alloc * sizeof *values)); |
252b5132 RH |
2070 | } |
2071 | ||
2072 | names[n] = name; | |
2073 | values[n] = val; | |
2074 | ++n; | |
2075 | } | |
2076 | ||
2077 | names[n] = NULL; | |
2078 | values[n] = 0; | |
2079 | ||
2080 | if (**pp == ';') | |
2081 | ++*pp; | |
2082 | ||
2083 | return debug_make_enum_type (dhandle, names, values); | |
2084 | } | |
2085 | ||
2086 | /* Read the description of a structure (or union type) and return an object | |
2087 | describing the type. | |
2088 | ||
2089 | PP points to a character pointer that points to the next unconsumed token | |
1be59579 | 2090 | in the stabs string. For example, given stabs "A:T4=s4a:1,0,32;;", |
252b5132 RH |
2091 | *PP will point to "4a:1,0,32;;". */ |
2092 | ||
2093 | static debug_type | |
81db3241 NC |
2094 | parse_stab_struct_type (void * dhandle, |
2095 | struct stab_handle * info, | |
2096 | const char * tagname, | |
2097 | const char ** pp, | |
2098 | bfd_boolean structp, | |
2099 | const int * typenums, | |
2100 | const char * p_end) | |
252b5132 | 2101 | { |
252b5132 RH |
2102 | bfd_vma size; |
2103 | debug_baseclass *baseclasses; | |
1fcab1af | 2104 | debug_field *fields = NULL; |
b34976b6 | 2105 | bfd_boolean statics; |
252b5132 RH |
2106 | debug_method *methods; |
2107 | debug_type vptrbase; | |
b34976b6 | 2108 | bfd_boolean ownvptr; |
252b5132 | 2109 | |
252b5132 | 2110 | /* Get the size. */ |
81db3241 | 2111 | size = parse_number (pp, (bfd_boolean *) NULL, p_end); |
252b5132 RH |
2112 | |
2113 | /* Get the other information. */ | |
81db3241 NC |
2114 | if (! parse_stab_baseclasses (dhandle, info, pp, &baseclasses, p_end) |
2115 | || ! parse_stab_struct_fields (dhandle, info, pp, &fields, &statics, p_end) | |
2116 | || ! parse_stab_members (dhandle, info, tagname, pp, typenums, &methods, p_end) | |
252b5132 | 2117 | || ! parse_stab_tilde_field (dhandle, info, pp, typenums, &vptrbase, |
81db3241 | 2118 | &ownvptr, p_end)) |
1fcab1af NC |
2119 | { |
2120 | if (fields != NULL) | |
2121 | free (fields); | |
2122 | return DEBUG_TYPE_NULL; | |
2123 | } | |
252b5132 RH |
2124 | |
2125 | if (! statics | |
2126 | && baseclasses == NULL | |
2127 | && methods == NULL | |
2128 | && vptrbase == DEBUG_TYPE_NULL | |
2129 | && ! ownvptr) | |
2130 | return debug_make_struct_type (dhandle, structp, size, fields); | |
2131 | ||
2132 | return debug_make_object_type (dhandle, structp, size, fields, baseclasses, | |
2133 | methods, vptrbase, ownvptr); | |
2134 | } | |
2135 | ||
2136 | /* The stabs for C++ derived classes contain baseclass information which | |
2137 | is marked by a '!' character after the total size. This function is | |
2138 | called when we encounter the baseclass marker, and slurps up all the | |
2139 | baseclass information. | |
2140 | ||
2141 | Immediately following the '!' marker is the number of base classes that | |
2142 | the class is derived from, followed by information for each base class. | |
2143 | For each base class, there are two visibility specifiers, a bit offset | |
2144 | to the base class information within the derived class, a reference to | |
2145 | the type for the base class, and a terminating semicolon. | |
2146 | ||
2147 | A typical example, with two base classes, would be "!2,020,19;0264,21;". | |
2da42df6 | 2148 | ^^ ^ ^ ^ ^ ^ ^ |
252b5132 RH |
2149 | Baseclass information marker __________________|| | | | | | | |
2150 | Number of baseclasses __________________________| | | | | | | | |
2151 | Visibility specifiers (2) ________________________| | | | | | | |
2152 | Offset in bits from start of class _________________| | | | | | |
2153 | Type number for base class ___________________________| | | | | |
2154 | Visibility specifiers (2) _______________________________| | | | |
2155 | Offset in bits from start of class ________________________| | | |
2156 | Type number of base class ____________________________________| | |
2157 | ||
b34976b6 | 2158 | Return TRUE for success, FALSE for failure. */ |
252b5132 | 2159 | |
b34976b6 | 2160 | static bfd_boolean |
81db3241 NC |
2161 | parse_stab_baseclasses (void * dhandle, |
2162 | struct stab_handle * info, | |
2163 | const char ** pp, | |
2164 | debug_baseclass ** retp, | |
2165 | const char * p_end) | |
252b5132 RH |
2166 | { |
2167 | const char *orig; | |
2168 | unsigned int c, i; | |
2169 | debug_baseclass *classes; | |
2170 | ||
2171 | *retp = NULL; | |
2172 | ||
2173 | orig = *pp; | |
81db3241 NC |
2174 | if (orig >= p_end) |
2175 | return FALSE; | |
252b5132 RH |
2176 | |
2177 | if (**pp != '!') | |
2178 | { | |
2179 | /* No base classes. */ | |
b34976b6 | 2180 | return TRUE; |
252b5132 RH |
2181 | } |
2182 | ++*pp; | |
2183 | ||
81db3241 | 2184 | c = (unsigned int) parse_number (pp, (bfd_boolean *) NULL, p_end); |
252b5132 RH |
2185 | |
2186 | if (**pp != ',') | |
2187 | { | |
2188 | bad_stab (orig); | |
b34976b6 | 2189 | return FALSE; |
252b5132 RH |
2190 | } |
2191 | ++*pp; | |
2192 | ||
2193 | classes = (debug_baseclass *) xmalloc ((c + 1) * sizeof (**retp)); | |
2194 | ||
2195 | for (i = 0; i < c; i++) | |
2196 | { | |
3f5e193b | 2197 | bfd_boolean is_virtual; |
252b5132 RH |
2198 | enum debug_visibility visibility; |
2199 | bfd_vma bitpos; | |
2200 | debug_type type; | |
2201 | ||
2202 | switch (**pp) | |
2203 | { | |
2204 | case '0': | |
3f5e193b | 2205 | is_virtual = FALSE; |
252b5132 RH |
2206 | break; |
2207 | case '1': | |
3f5e193b | 2208 | is_virtual = TRUE; |
252b5132 | 2209 | break; |
81db3241 NC |
2210 | case 0: |
2211 | bad_stab (orig); | |
2212 | return FALSE; | |
252b5132 RH |
2213 | default: |
2214 | warn_stab (orig, _("unknown virtual character for baseclass")); | |
3f5e193b | 2215 | is_virtual = FALSE; |
252b5132 RH |
2216 | break; |
2217 | } | |
2218 | ++*pp; | |
2219 | ||
2220 | switch (**pp) | |
2221 | { | |
2222 | case '0': | |
2223 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2224 | break; | |
2225 | case '1': | |
2226 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2227 | break; | |
2228 | case '2': | |
2229 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2230 | break; | |
81db3241 NC |
2231 | case 0: |
2232 | bad_stab (orig); | |
2233 | return FALSE; | |
252b5132 RH |
2234 | default: |
2235 | warn_stab (orig, _("unknown visibility character for baseclass")); | |
2236 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2237 | break; | |
2238 | } | |
2239 | ++*pp; | |
2240 | ||
2241 | /* The remaining value is the bit offset of the portion of the | |
2242 | object corresponding to this baseclass. Always zero in the | |
2243 | absence of multiple inheritance. */ | |
81db3241 | 2244 | bitpos = parse_number (pp, (bfd_boolean *) NULL, p_end); |
252b5132 RH |
2245 | if (**pp != ',') |
2246 | { | |
2247 | bad_stab (orig); | |
b34976b6 | 2248 | return FALSE; |
252b5132 RH |
2249 | } |
2250 | ++*pp; | |
2251 | ||
2252 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
81db3241 | 2253 | (debug_type **) NULL, p_end); |
252b5132 | 2254 | if (type == DEBUG_TYPE_NULL) |
b34976b6 | 2255 | return FALSE; |
252b5132 | 2256 | |
3f5e193b | 2257 | classes[i] = debug_make_baseclass (dhandle, type, bitpos, is_virtual, |
252b5132 RH |
2258 | visibility); |
2259 | if (classes[i] == DEBUG_BASECLASS_NULL) | |
b34976b6 | 2260 | return FALSE; |
252b5132 RH |
2261 | |
2262 | if (**pp != ';') | |
b34976b6 | 2263 | return FALSE; |
252b5132 RH |
2264 | ++*pp; |
2265 | } | |
2266 | ||
2267 | classes[i] = DEBUG_BASECLASS_NULL; | |
2268 | ||
2269 | *retp = classes; | |
2270 | ||
b34976b6 | 2271 | return TRUE; |
252b5132 RH |
2272 | } |
2273 | ||
2274 | /* Read struct or class data fields. They have the form: | |
2275 | ||
2da42df6 | 2276 | NAME : [VISIBILITY] TYPENUM , BITPOS , BITSIZE ; |
252b5132 RH |
2277 | |
2278 | At the end, we see a semicolon instead of a field. | |
2279 | ||
2280 | In C++, this may wind up being NAME:?TYPENUM:PHYSNAME; for | |
2281 | a static field. | |
2282 | ||
2283 | The optional VISIBILITY is one of: | |
2284 | ||
2da42df6 | 2285 | '/0' (VISIBILITY_PRIVATE) |
252b5132 RH |
2286 | '/1' (VISIBILITY_PROTECTED) |
2287 | '/2' (VISIBILITY_PUBLIC) | |
2288 | '/9' (VISIBILITY_IGNORE) | |
2289 | ||
2290 | or nothing, for C style fields with public visibility. | |
2291 | ||
2292 | Returns 1 for success, 0 for failure. */ | |
2293 | ||
b34976b6 | 2294 | static bfd_boolean |
81db3241 NC |
2295 | parse_stab_struct_fields (void * dhandle, |
2296 | struct stab_handle * info, | |
2297 | const char ** pp, | |
2298 | debug_field ** retp, | |
2299 | bfd_boolean * staticsp, | |
2300 | const char * p_end) | |
252b5132 RH |
2301 | { |
2302 | const char *orig; | |
2303 | const char *p; | |
2304 | debug_field *fields; | |
2305 | unsigned int c; | |
2306 | unsigned int alloc; | |
2307 | ||
2308 | *retp = NULL; | |
b34976b6 | 2309 | *staticsp = FALSE; |
252b5132 RH |
2310 | |
2311 | orig = *pp; | |
81db3241 NC |
2312 | if (orig >= p_end) |
2313 | return FALSE; | |
252b5132 RH |
2314 | |
2315 | c = 0; | |
2316 | alloc = 10; | |
2317 | fields = (debug_field *) xmalloc (alloc * sizeof *fields); | |
2318 | while (**pp != ';') | |
2319 | { | |
2320 | /* FIXME: gdb checks os9k_stabs here. */ | |
2321 | ||
2322 | p = *pp; | |
2323 | ||
2324 | /* Add 1 to c to leave room for NULL pointer at end. */ | |
2325 | if (c + 1 >= alloc) | |
2326 | { | |
2327 | alloc += 10; | |
2328 | fields = ((debug_field *) | |
2da42df6 | 2329 | xrealloc (fields, alloc * sizeof *fields)); |
252b5132 RH |
2330 | } |
2331 | ||
2332 | /* If it starts with CPLUS_MARKER it is a special abbreviation, | |
2333 | unless the CPLUS_MARKER is followed by an underscore, in | |
2334 | which case it is just the name of an anonymous type, which we | |
2335 | should handle like any other type name. We accept either '$' | |
2336 | or '.', because a field name can never contain one of these | |
2337 | characters except as a CPLUS_MARKER. */ | |
2338 | ||
2339 | if ((*p == '$' || *p == '.') && p[1] != '_') | |
2340 | { | |
2341 | ++*pp; | |
81db3241 | 2342 | if (! parse_stab_cpp_abbrev (dhandle, info, pp, fields + c, p_end)) |
1fcab1af NC |
2343 | { |
2344 | free (fields); | |
2345 | return FALSE; | |
2346 | } | |
252b5132 RH |
2347 | ++c; |
2348 | continue; | |
2349 | } | |
2350 | ||
2351 | /* Look for the ':' that separates the field name from the field | |
2352 | values. Data members are delimited by a single ':', while member | |
2353 | functions are delimited by a pair of ':'s. When we hit the member | |
9f66665a | 2354 | functions (if any), terminate scan loop and return. */ |
252b5132 RH |
2355 | |
2356 | p = strchr (p, ':'); | |
2357 | if (p == NULL) | |
2358 | { | |
2359 | bad_stab (orig); | |
1fcab1af | 2360 | free (fields); |
b34976b6 | 2361 | return FALSE; |
252b5132 RH |
2362 | } |
2363 | ||
2364 | if (p[1] == ':') | |
2365 | break; | |
2366 | ||
2367 | if (! parse_stab_one_struct_field (dhandle, info, pp, p, fields + c, | |
81db3241 | 2368 | staticsp, p_end)) |
b34976b6 | 2369 | return FALSE; |
252b5132 RH |
2370 | |
2371 | ++c; | |
2372 | } | |
2373 | ||
2374 | fields[c] = DEBUG_FIELD_NULL; | |
2375 | ||
2376 | *retp = fields; | |
2377 | ||
b34976b6 | 2378 | return TRUE; |
252b5132 RH |
2379 | } |
2380 | ||
2381 | /* Special GNU C++ name. */ | |
2382 | ||
b34976b6 | 2383 | static bfd_boolean |
81db3241 NC |
2384 | parse_stab_cpp_abbrev (void * dhandle, |
2385 | struct stab_handle * info, | |
2386 | const char ** pp, | |
2387 | debug_field * retp, | |
2388 | const char * p_end) | |
252b5132 RH |
2389 | { |
2390 | const char *orig; | |
2391 | int cpp_abbrev; | |
2392 | debug_type context; | |
2393 | const char *name; | |
3f5e193b | 2394 | const char *type_name; |
252b5132 RH |
2395 | debug_type type; |
2396 | bfd_vma bitpos; | |
2397 | ||
2398 | *retp = DEBUG_FIELD_NULL; | |
2399 | ||
2400 | orig = *pp; | |
81db3241 NC |
2401 | if (orig >= p_end) |
2402 | return FALSE; | |
252b5132 RH |
2403 | |
2404 | if (**pp != 'v') | |
2405 | { | |
2406 | bad_stab (*pp); | |
b34976b6 | 2407 | return FALSE; |
252b5132 RH |
2408 | } |
2409 | ++*pp; | |
2410 | ||
2411 | cpp_abbrev = **pp; | |
81db3241 NC |
2412 | if (cpp_abbrev == 0) |
2413 | { | |
2414 | bad_stab (orig); | |
2415 | return FALSE; | |
2416 | } | |
252b5132 RH |
2417 | ++*pp; |
2418 | ||
2419 | /* At this point, *pp points to something like "22:23=*22...", where | |
2420 | the type number before the ':' is the "context" and everything | |
2421 | after is a regular type definition. Lookup the type, find it's | |
2422 | name, and construct the field name. */ | |
2423 | ||
2424 | context = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
81db3241 | 2425 | (debug_type **) NULL, p_end); |
252b5132 | 2426 | if (context == DEBUG_TYPE_NULL) |
b34976b6 | 2427 | return FALSE; |
252b5132 RH |
2428 | |
2429 | switch (cpp_abbrev) | |
2430 | { | |
2431 | case 'f': | |
2432 | /* $vf -- a virtual function table pointer. */ | |
2433 | name = "_vptr$"; | |
2434 | break; | |
2435 | case 'b': | |
2436 | /* $vb -- a virtual bsomethingorother */ | |
3f5e193b NC |
2437 | type_name = debug_get_type_name (dhandle, context); |
2438 | if (type_name == NULL) | |
252b5132 RH |
2439 | { |
2440 | warn_stab (orig, _("unnamed $vb type")); | |
3f5e193b | 2441 | type_name = "FOO"; |
252b5132 | 2442 | } |
3f5e193b | 2443 | name = concat ("_vb$", type_name, (const char *) NULL); |
252b5132 RH |
2444 | break; |
2445 | default: | |
2446 | warn_stab (orig, _("unrecognized C++ abbreviation")); | |
2447 | name = "INVALID_CPLUSPLUS_ABBREV"; | |
2448 | break; | |
2449 | } | |
2450 | ||
2451 | if (**pp != ':') | |
2452 | { | |
2453 | bad_stab (orig); | |
b34976b6 | 2454 | return FALSE; |
252b5132 RH |
2455 | } |
2456 | ++*pp; | |
2457 | ||
2458 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
81db3241 | 2459 | (debug_type **) NULL, p_end); |
252b5132 RH |
2460 | if (**pp != ',') |
2461 | { | |
2462 | bad_stab (orig); | |
b34976b6 | 2463 | return FALSE; |
252b5132 RH |
2464 | } |
2465 | ++*pp; | |
2466 | ||
81db3241 | 2467 | bitpos = parse_number (pp, (bfd_boolean *) NULL, p_end); |
252b5132 RH |
2468 | if (**pp != ';') |
2469 | { | |
2470 | bad_stab (orig); | |
b34976b6 | 2471 | return FALSE; |
252b5132 RH |
2472 | } |
2473 | ++*pp; | |
2474 | ||
2475 | *retp = debug_make_field (dhandle, name, type, bitpos, 0, | |
2476 | DEBUG_VISIBILITY_PRIVATE); | |
2477 | if (*retp == DEBUG_FIELD_NULL) | |
b34976b6 | 2478 | return FALSE; |
252b5132 | 2479 | |
b34976b6 | 2480 | return TRUE; |
252b5132 RH |
2481 | } |
2482 | ||
2483 | /* Parse a single field in a struct or union. */ | |
2484 | ||
b34976b6 | 2485 | static bfd_boolean |
81db3241 NC |
2486 | parse_stab_one_struct_field (void * dhandle, |
2487 | struct stab_handle * info, | |
2488 | const char ** pp, | |
2489 | const char * p, | |
2490 | debug_field * retp, | |
2491 | bfd_boolean * staticsp, | |
2492 | const char * p_end) | |
252b5132 RH |
2493 | { |
2494 | const char *orig; | |
2495 | char *name; | |
2496 | enum debug_visibility visibility; | |
2497 | debug_type type; | |
2498 | bfd_vma bitpos; | |
2499 | bfd_vma bitsize; | |
2500 | ||
2501 | orig = *pp; | |
81db3241 NC |
2502 | if (orig >= p_end) |
2503 | return FALSE; | |
252b5132 RH |
2504 | |
2505 | /* FIXME: gdb checks ARM_DEMANGLING here. */ | |
2506 | ||
2507 | name = savestring (*pp, p - *pp); | |
2508 | ||
2509 | *pp = p + 1; | |
2510 | ||
2511 | if (**pp != '/') | |
2512 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2513 | else | |
2514 | { | |
2515 | ++*pp; | |
2516 | switch (**pp) | |
2517 | { | |
2518 | case '0': | |
2519 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2520 | break; | |
2521 | case '1': | |
2522 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2523 | break; | |
2524 | case '2': | |
2525 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2526 | break; | |
81db3241 NC |
2527 | case 0: |
2528 | bad_stab (orig); | |
2529 | return FALSE; | |
252b5132 RH |
2530 | default: |
2531 | warn_stab (orig, _("unknown visibility character for field")); | |
2532 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2533 | break; | |
2534 | } | |
2535 | ++*pp; | |
2536 | } | |
2537 | ||
2538 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
81db3241 | 2539 | (debug_type **) NULL, p_end); |
252b5132 | 2540 | if (type == DEBUG_TYPE_NULL) |
1fcab1af NC |
2541 | { |
2542 | free (name); | |
2543 | return FALSE; | |
2544 | } | |
252b5132 RH |
2545 | |
2546 | if (**pp == ':') | |
2547 | { | |
2548 | char *varname; | |
2549 | ||
2550 | /* This is a static class member. */ | |
2551 | ++*pp; | |
2552 | p = strchr (*pp, ';'); | |
2553 | if (p == NULL) | |
2554 | { | |
2555 | bad_stab (orig); | |
1fcab1af | 2556 | free (name); |
b34976b6 | 2557 | return FALSE; |
252b5132 RH |
2558 | } |
2559 | ||
2560 | varname = savestring (*pp, p - *pp); | |
2561 | ||
2562 | *pp = p + 1; | |
2563 | ||
2564 | *retp = debug_make_static_member (dhandle, name, type, varname, | |
2565 | visibility); | |
b34976b6 | 2566 | *staticsp = TRUE; |
252b5132 | 2567 | |
b34976b6 | 2568 | return TRUE; |
252b5132 RH |
2569 | } |
2570 | ||
2571 | if (**pp != ',') | |
2572 | { | |
2573 | bad_stab (orig); | |
1fcab1af | 2574 | free (name); |
b34976b6 | 2575 | return FALSE; |
252b5132 RH |
2576 | } |
2577 | ++*pp; | |
2578 | ||
81db3241 | 2579 | bitpos = parse_number (pp, (bfd_boolean *) NULL, p_end); |
252b5132 RH |
2580 | if (**pp != ',') |
2581 | { | |
2582 | bad_stab (orig); | |
1fcab1af | 2583 | free (name); |
b34976b6 | 2584 | return FALSE; |
252b5132 RH |
2585 | } |
2586 | ++*pp; | |
2587 | ||
81db3241 | 2588 | bitsize = parse_number (pp, (bfd_boolean *) NULL, p_end); |
252b5132 RH |
2589 | if (**pp != ';') |
2590 | { | |
2591 | bad_stab (orig); | |
1fcab1af | 2592 | free (name); |
b34976b6 | 2593 | return FALSE; |
252b5132 RH |
2594 | } |
2595 | ++*pp; | |
2596 | ||
2597 | if (bitpos == 0 && bitsize == 0) | |
2598 | { | |
2599 | /* This can happen in two cases: (1) at least for gcc 2.4.5 or | |
2600 | so, it is a field which has been optimized out. The correct | |
2601 | stab for this case is to use VISIBILITY_IGNORE, but that is a | |
2602 | recent invention. (2) It is a 0-size array. For example | |
2603 | union { int num; char str[0]; } foo. Printing "<no value>" | |
2604 | for str in "p foo" is OK, since foo.str (and thus foo.str[3]) | |
2605 | will continue to work, and a 0-size array as a whole doesn't | |
2606 | have any contents to print. | |
2607 | ||
2608 | I suspect this probably could also happen with gcc -gstabs | |
2609 | (not -gstabs+) for static fields, and perhaps other C++ | |
2610 | extensions. Hopefully few people use -gstabs with gdb, since | |
2611 | it is intended for dbx compatibility. */ | |
2612 | visibility = DEBUG_VISIBILITY_IGNORE; | |
2613 | } | |
2614 | ||
2615 | /* FIXME: gdb does some stuff here to mark fields as unpacked. */ | |
2616 | ||
2617 | *retp = debug_make_field (dhandle, name, type, bitpos, bitsize, visibility); | |
2618 | ||
b34976b6 | 2619 | return TRUE; |
252b5132 RH |
2620 | } |
2621 | ||
2622 | /* Read member function stabs info for C++ classes. The form of each member | |
2623 | function data is: | |
2624 | ||
2625 | NAME :: TYPENUM[=type definition] ARGS : PHYSNAME ; | |
2626 | ||
2627 | An example with two member functions is: | |
2628 | ||
2629 | afunc1::20=##15;:i;2A.;afunc2::20:i;2A.; | |
2630 | ||
2631 | For the case of overloaded operators, the format is op$::*.funcs, where | |
2632 | $ is the CPLUS_MARKER (usually '$'), `*' holds the place for an operator | |
2633 | name (such as `+=') and `.' marks the end of the operator name. */ | |
2634 | ||
b34976b6 | 2635 | static bfd_boolean |
81db3241 NC |
2636 | parse_stab_members (void * dhandle, |
2637 | struct stab_handle * info, | |
2638 | const char * tagname, | |
2639 | const char ** pp, | |
2640 | const int * typenums, | |
2641 | debug_method ** retp, | |
2642 | const char * p_end) | |
252b5132 RH |
2643 | { |
2644 | const char *orig; | |
2645 | debug_method *methods; | |
2646 | unsigned int c; | |
2647 | unsigned int alloc; | |
1fcab1af NC |
2648 | char *name = NULL; |
2649 | debug_method_variant *variants = NULL; | |
2650 | char *argtypes = NULL; | |
252b5132 RH |
2651 | |
2652 | *retp = NULL; | |
2653 | ||
2654 | orig = *pp; | |
81db3241 NC |
2655 | if (orig >= p_end) |
2656 | return FALSE; | |
252b5132 RH |
2657 | |
2658 | alloc = 0; | |
2659 | methods = NULL; | |
2660 | c = 0; | |
2661 | ||
2662 | while (**pp != ';') | |
2663 | { | |
2664 | const char *p; | |
252b5132 RH |
2665 | unsigned int cvars; |
2666 | unsigned int allocvars; | |
2667 | debug_type look_ahead_type; | |
2668 | ||
2669 | p = strchr (*pp, ':'); | |
2670 | if (p == NULL || p[1] != ':') | |
2671 | break; | |
2672 | ||
2673 | /* FIXME: Some systems use something other than '$' here. */ | |
2674 | if ((*pp)[0] != 'o' || (*pp)[1] != 'p' || (*pp)[2] != '$') | |
2675 | { | |
2676 | name = savestring (*pp, p - *pp); | |
2677 | *pp = p + 2; | |
2678 | } | |
2679 | else | |
2680 | { | |
aaad4cf3 | 2681 | /* This is a completely weird case. In order to stuff in the |
252b5132 RH |
2682 | names that might contain colons (the usual name delimiter), |
2683 | Mike Tiemann defined a different name format which is | |
2684 | signalled if the identifier is "op$". In that case, the | |
2685 | format is "op$::XXXX." where XXXX is the name. This is | |
2686 | used for names like "+" or "=". YUUUUUUUK! FIXME! */ | |
2687 | *pp = p + 2; | |
2688 | for (p = *pp; *p != '.' && *p != '\0'; p++) | |
2689 | ; | |
2690 | if (*p != '.') | |
2691 | { | |
2692 | bad_stab (orig); | |
1fcab1af | 2693 | goto fail; |
252b5132 RH |
2694 | } |
2695 | name = savestring (*pp, p - *pp); | |
2696 | *pp = p + 1; | |
2697 | } | |
2698 | ||
2699 | allocvars = 10; | |
2700 | variants = ((debug_method_variant *) | |
2701 | xmalloc (allocvars * sizeof *variants)); | |
2702 | cvars = 0; | |
2703 | ||
2704 | look_ahead_type = DEBUG_TYPE_NULL; | |
2705 | ||
2706 | do | |
2707 | { | |
2708 | debug_type type; | |
b34976b6 | 2709 | bfd_boolean stub; |
252b5132 | 2710 | enum debug_visibility visibility; |
b34976b6 | 2711 | bfd_boolean constp, volatilep, staticp; |
252b5132 RH |
2712 | bfd_vma voffset; |
2713 | debug_type context; | |
2714 | const char *physname; | |
b34976b6 | 2715 | bfd_boolean varargs; |
252b5132 RH |
2716 | |
2717 | if (look_ahead_type != DEBUG_TYPE_NULL) | |
2718 | { | |
2719 | /* g++ version 1 kludge */ | |
2720 | type = look_ahead_type; | |
2721 | look_ahead_type = DEBUG_TYPE_NULL; | |
2722 | } | |
2723 | else | |
2724 | { | |
2725 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
81db3241 | 2726 | (debug_type **) NULL, p_end); |
252b5132 | 2727 | if (type == DEBUG_TYPE_NULL) |
1fcab1af NC |
2728 | goto fail; |
2729 | ||
252b5132 RH |
2730 | if (**pp != ':') |
2731 | { | |
2732 | bad_stab (orig); | |
1fcab1af | 2733 | goto fail; |
252b5132 RH |
2734 | } |
2735 | } | |
2736 | ||
2737 | ++*pp; | |
2738 | p = strchr (*pp, ';'); | |
2739 | if (p == NULL) | |
2740 | { | |
2741 | bad_stab (orig); | |
1fcab1af | 2742 | goto fail; |
252b5132 RH |
2743 | } |
2744 | ||
b34976b6 | 2745 | stub = FALSE; |
252b5132 RH |
2746 | if (debug_get_type_kind (dhandle, type) == DEBUG_KIND_METHOD |
2747 | && debug_get_parameter_types (dhandle, type, &varargs) == NULL) | |
b34976b6 | 2748 | stub = TRUE; |
252b5132 RH |
2749 | |
2750 | argtypes = savestring (*pp, p - *pp); | |
2751 | *pp = p + 1; | |
2752 | ||
2753 | switch (**pp) | |
2754 | { | |
2755 | case '0': | |
2756 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2757 | break; | |
2758 | case '1': | |
2759 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2760 | break; | |
81db3241 NC |
2761 | case 0: |
2762 | bad_stab (orig); | |
2763 | goto fail; | |
252b5132 RH |
2764 | default: |
2765 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2766 | break; | |
2767 | } | |
2768 | ++*pp; | |
2769 | ||
b34976b6 AM |
2770 | constp = FALSE; |
2771 | volatilep = FALSE; | |
252b5132 RH |
2772 | switch (**pp) |
2773 | { | |
2774 | case 'A': | |
2775 | /* Normal function. */ | |
2776 | ++*pp; | |
2777 | break; | |
2778 | case 'B': | |
2779 | /* const member function. */ | |
b34976b6 | 2780 | constp = TRUE; |
252b5132 RH |
2781 | ++*pp; |
2782 | break; | |
2783 | case 'C': | |
2784 | /* volatile member function. */ | |
b34976b6 | 2785 | volatilep = TRUE; |
252b5132 RH |
2786 | ++*pp; |
2787 | break; | |
2788 | case 'D': | |
2789 | /* const volatile member function. */ | |
b34976b6 AM |
2790 | constp = TRUE; |
2791 | volatilep = TRUE; | |
252b5132 RH |
2792 | ++*pp; |
2793 | break; | |
2794 | case '*': | |
2795 | case '?': | |
2796 | case '.': | |
2797 | /* File compiled with g++ version 1; no information. */ | |
2798 | break; | |
2799 | default: | |
2800 | warn_stab (orig, _("const/volatile indicator missing")); | |
2801 | break; | |
2802 | } | |
2803 | ||
b34976b6 | 2804 | staticp = FALSE; |
252b5132 RH |
2805 | switch (**pp) |
2806 | { | |
2807 | case '*': | |
2808 | /* virtual member function, followed by index. The sign | |
2809 | bit is supposedly set to distinguish | |
222c2bf0 | 2810 | pointers-to-methods from virtual function indices. */ |
252b5132 | 2811 | ++*pp; |
81db3241 | 2812 | voffset = parse_number (pp, (bfd_boolean *) NULL, p_end); |
252b5132 RH |
2813 | if (**pp != ';') |
2814 | { | |
2815 | bad_stab (orig); | |
1fcab1af | 2816 | goto fail; |
252b5132 RH |
2817 | } |
2818 | ++*pp; | |
2819 | voffset &= 0x7fffffff; | |
2820 | ||
b972a0d6 | 2821 | if (**pp == ';' || **pp == '\0') |
252b5132 RH |
2822 | { |
2823 | /* Must be g++ version 1. */ | |
2824 | context = DEBUG_TYPE_NULL; | |
2825 | } | |
2826 | else | |
2827 | { | |
2828 | /* Figure out from whence this virtual function | |
2829 | came. It may belong to virtual function table of | |
2830 | one of its baseclasses. */ | |
9f66665a KH |
2831 | look_ahead_type = parse_stab_type (dhandle, info, |
2832 | (const char *) NULL, | |
2833 | pp, | |
81db3241 NC |
2834 | (debug_type **) NULL, |
2835 | p_end); | |
9f66665a KH |
2836 | if (**pp == ':') |
2837 | { | |
2838 | /* g++ version 1 overloaded methods. */ | |
2839 | context = DEBUG_TYPE_NULL; | |
2840 | } | |
2841 | else | |
2842 | { | |
2843 | context = look_ahead_type; | |
2844 | look_ahead_type = DEBUG_TYPE_NULL; | |
2845 | if (**pp != ';') | |
2846 | { | |
2847 | bad_stab (orig); | |
1fcab1af | 2848 | goto fail; |
9f66665a KH |
2849 | } |
2850 | ++*pp; | |
2851 | } | |
2852 | } | |
252b5132 RH |
2853 | break; |
2854 | ||
2855 | case '?': | |
2856 | /* static member function. */ | |
2857 | ++*pp; | |
b34976b6 | 2858 | staticp = TRUE; |
252b5132 RH |
2859 | voffset = 0; |
2860 | context = DEBUG_TYPE_NULL; | |
2861 | if (strncmp (argtypes, name, strlen (name)) != 0) | |
b34976b6 | 2862 | stub = TRUE; |
252b5132 RH |
2863 | break; |
2864 | ||
2865 | default: | |
2866 | warn_stab (orig, "member function type missing"); | |
2867 | voffset = 0; | |
2868 | context = DEBUG_TYPE_NULL; | |
2869 | break; | |
2870 | ||
2871 | case '.': | |
2872 | ++*pp; | |
2873 | voffset = 0; | |
2874 | context = DEBUG_TYPE_NULL; | |
2875 | break; | |
2876 | } | |
2877 | ||
2878 | /* If the type is not a stub, then the argtypes string is | |
2879 | the physical name of the function. Otherwise the | |
2880 | argtypes string is the mangled form of the argument | |
2881 | types, and the full type and the physical name must be | |
2882 | extracted from them. */ | |
cb566e3a AM |
2883 | physname = argtypes; |
2884 | if (stub) | |
252b5132 RH |
2885 | { |
2886 | debug_type class_type, return_type; | |
2887 | ||
2888 | class_type = stab_find_type (dhandle, info, typenums); | |
2889 | if (class_type == DEBUG_TYPE_NULL) | |
1fcab1af | 2890 | goto fail; |
252b5132 RH |
2891 | return_type = debug_get_return_type (dhandle, type); |
2892 | if (return_type == DEBUG_TYPE_NULL) | |
2893 | { | |
2894 | bad_stab (orig); | |
1fcab1af | 2895 | goto fail; |
252b5132 RH |
2896 | } |
2897 | type = parse_stab_argtypes (dhandle, info, class_type, name, | |
2898 | tagname, return_type, argtypes, | |
2899 | constp, volatilep, &physname); | |
2900 | if (type == DEBUG_TYPE_NULL) | |
1fcab1af | 2901 | goto fail; |
252b5132 RH |
2902 | } |
2903 | ||
2904 | if (cvars + 1 >= allocvars) | |
2905 | { | |
2906 | allocvars += 10; | |
2907 | variants = ((debug_method_variant *) | |
2da42df6 | 2908 | xrealloc (variants, |
252b5132 RH |
2909 | allocvars * sizeof *variants)); |
2910 | } | |
2911 | ||
2912 | if (! staticp) | |
2913 | variants[cvars] = debug_make_method_variant (dhandle, physname, | |
2914 | type, visibility, | |
2915 | constp, volatilep, | |
2916 | voffset, context); | |
2917 | else | |
2918 | variants[cvars] = debug_make_static_method_variant (dhandle, | |
2919 | physname, | |
2920 | type, | |
2921 | visibility, | |
2922 | constp, | |
2923 | volatilep); | |
2924 | if (variants[cvars] == DEBUG_METHOD_VARIANT_NULL) | |
1fcab1af | 2925 | goto fail; |
252b5132 RH |
2926 | |
2927 | ++cvars; | |
2928 | } | |
2929 | while (**pp != ';' && **pp != '\0'); | |
2930 | ||
2931 | variants[cvars] = DEBUG_METHOD_VARIANT_NULL; | |
2932 | ||
2933 | if (**pp != '\0') | |
2934 | ++*pp; | |
2935 | ||
2936 | if (c + 1 >= alloc) | |
2937 | { | |
2938 | alloc += 10; | |
2939 | methods = ((debug_method *) | |
2da42df6 | 2940 | xrealloc (methods, alloc * sizeof *methods)); |
252b5132 RH |
2941 | } |
2942 | ||
2943 | methods[c] = debug_make_method (dhandle, name, variants); | |
2944 | ||
2945 | ++c; | |
2946 | } | |
2947 | ||
2948 | if (methods != NULL) | |
2949 | methods[c] = DEBUG_METHOD_NULL; | |
2950 | ||
2951 | *retp = methods; | |
2952 | ||
b34976b6 | 2953 | return TRUE; |
1fcab1af NC |
2954 | |
2955 | fail: | |
2956 | if (name != NULL) | |
2957 | free (name); | |
2958 | if (variants != NULL) | |
2959 | free (variants); | |
2960 | if (argtypes != NULL) | |
2961 | free (argtypes); | |
2962 | return FALSE; | |
252b5132 RH |
2963 | } |
2964 | ||
2965 | /* Parse a string representing argument types for a method. Stabs | |
2966 | tries to save space by packing argument types into a mangled | |
2967 | string. This string should give us enough information to extract | |
2968 | both argument types and the physical name of the function, given | |
2969 | the tag name. */ | |
2970 | ||
2971 | static debug_type | |
2da42df6 AJ |
2972 | parse_stab_argtypes (void *dhandle, struct stab_handle *info, |
2973 | debug_type class_type, const char *fieldname, | |
2974 | const char *tagname, debug_type return_type, | |
2975 | const char *argtypes, bfd_boolean constp, | |
2976 | bfd_boolean volatilep, const char **pphysname) | |
252b5132 | 2977 | { |
b34976b6 AM |
2978 | bfd_boolean is_full_physname_constructor; |
2979 | bfd_boolean is_constructor; | |
2980 | bfd_boolean is_destructor; | |
041821e6 | 2981 | bfd_boolean is_v3; |
252b5132 | 2982 | debug_type *args; |
b34976b6 | 2983 | bfd_boolean varargs; |
4b73ca92 | 2984 | unsigned int physname_len = 0; |
252b5132 RH |
2985 | |
2986 | /* Constructors are sometimes handled specially. */ | |
2987 | is_full_physname_constructor = ((argtypes[0] == '_' | |
2988 | && argtypes[1] == '_' | |
3882b010 | 2989 | && (ISDIGIT (argtypes[2]) |
252b5132 RH |
2990 | || argtypes[2] == 'Q' |
2991 | || argtypes[2] == 't')) | |
0112cd26 | 2992 | || CONST_STRNEQ (argtypes, "__ct")); |
252b5132 RH |
2993 | |
2994 | is_constructor = (is_full_physname_constructor | |
2995 | || (tagname != NULL | |
2996 | && strcmp (fieldname, tagname) == 0)); | |
2997 | is_destructor = ((argtypes[0] == '_' | |
2998 | && (argtypes[1] == '$' || argtypes[1] == '.') | |
2999 | && argtypes[2] == '_') | |
0112cd26 | 3000 | || CONST_STRNEQ (argtypes, "__dt")); |
041821e6 | 3001 | is_v3 = argtypes[0] == '_' && argtypes[1] == 'Z'; |
252b5132 | 3002 | |
cb566e3a | 3003 | if (!(is_destructor || is_full_physname_constructor || is_v3)) |
252b5132 RH |
3004 | { |
3005 | unsigned int len; | |
3006 | const char *const_prefix; | |
3007 | const char *volatile_prefix; | |
3008 | char buf[20]; | |
3009 | unsigned int mangled_name_len; | |
3010 | char *physname; | |
3011 | ||
3012 | len = tagname == NULL ? 0 : strlen (tagname); | |
3013 | const_prefix = constp ? "C" : ""; | |
3014 | volatile_prefix = volatilep ? "V" : ""; | |
3015 | ||
3016 | if (len == 0) | |
3017 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); | |
3018 | else if (tagname != NULL && strchr (tagname, '<') != NULL) | |
3019 | { | |
3020 | /* Template methods are fully mangled. */ | |
3021 | sprintf (buf, "__%s%s", const_prefix, volatile_prefix); | |
3022 | tagname = NULL; | |
3023 | len = 0; | |
3024 | } | |
3025 | else | |
3026 | sprintf (buf, "__%s%s%d", const_prefix, volatile_prefix, len); | |
3027 | ||
3028 | mangled_name_len = ((is_constructor ? 0 : strlen (fieldname)) | |
3029 | + strlen (buf) | |
3030 | + len | |
3031 | + strlen (argtypes) | |
3032 | + 1); | |
3033 | ||
3034 | if (fieldname[0] == 'o' | |
3035 | && fieldname[1] == 'p' | |
3036 | && (fieldname[2] == '$' || fieldname[2] == '.')) | |
3037 | { | |
3038 | const char *opname; | |
3039 | ||
3040 | opname = cplus_mangle_opname (fieldname + 3, 0); | |
3041 | if (opname == NULL) | |
3042 | { | |
3043 | fprintf (stderr, _("No mangling for \"%s\"\n"), fieldname); | |
3044 | return DEBUG_TYPE_NULL; | |
3045 | } | |
3046 | mangled_name_len += strlen (opname); | |
3047 | physname = (char *) xmalloc (mangled_name_len); | |
3048 | strncpy (physname, fieldname, 3); | |
3049 | strcpy (physname + 3, opname); | |
3050 | } | |
3051 | else | |
3052 | { | |
3053 | physname = (char *) xmalloc (mangled_name_len); | |
3054 | if (is_constructor) | |
3055 | physname[0] = '\0'; | |
3056 | else | |
3057 | strcpy (physname, fieldname); | |
3058 | } | |
3059 | ||
4b73ca92 | 3060 | physname_len = strlen (physname); |
252b5132 RH |
3061 | strcat (physname, buf); |
3062 | if (tagname != NULL) | |
3063 | strcat (physname, tagname); | |
3064 | strcat (physname, argtypes); | |
3065 | ||
3066 | *pphysname = physname; | |
3067 | } | |
3068 | ||
3069 | if (*argtypes == '\0' || is_destructor) | |
3070 | { | |
3071 | args = (debug_type *) xmalloc (sizeof *args); | |
3072 | *args = NULL; | |
3073 | return debug_make_method_type (dhandle, return_type, class_type, args, | |
b34976b6 | 3074 | FALSE); |
252b5132 RH |
3075 | } |
3076 | ||
4b73ca92 | 3077 | args = stab_demangle_argtypes (dhandle, info, *pphysname, &varargs, physname_len); |
252b5132 RH |
3078 | if (args == NULL) |
3079 | return DEBUG_TYPE_NULL; | |
3080 | ||
3081 | return debug_make_method_type (dhandle, return_type, class_type, args, | |
3082 | varargs); | |
3083 | } | |
3084 | ||
3085 | /* The tail end of stabs for C++ classes that contain a virtual function | |
3086 | pointer contains a tilde, a %, and a type number. | |
3087 | The type number refers to the base class (possibly this class itself) which | |
3088 | contains the vtable pointer for the current class. | |
3089 | ||
3090 | This function is called when we have parsed all the method declarations, | |
3091 | so we can look for the vptr base class info. */ | |
3092 | ||
b34976b6 | 3093 | static bfd_boolean |
81db3241 NC |
3094 | parse_stab_tilde_field (void * dhandle, |
3095 | struct stab_handle * info, | |
3096 | const char ** pp, | |
3097 | const int * typenums, | |
3098 | debug_type * retvptrbase, | |
3099 | bfd_boolean * retownvptr, | |
3100 | const char * p_end) | |
252b5132 RH |
3101 | { |
3102 | const char *orig; | |
3103 | const char *hold; | |
3104 | int vtypenums[2]; | |
3105 | ||
3106 | *retvptrbase = DEBUG_TYPE_NULL; | |
b34976b6 | 3107 | *retownvptr = FALSE; |
252b5132 RH |
3108 | |
3109 | orig = *pp; | |
81db3241 NC |
3110 | if (orig >= p_end) |
3111 | return FALSE; | |
3112 | ||
9f66665a | 3113 | /* If we are positioned at a ';', then skip it. */ |
252b5132 RH |
3114 | if (**pp == ';') |
3115 | ++*pp; | |
3116 | ||
3117 | if (**pp != '~') | |
b34976b6 | 3118 | return TRUE; |
252b5132 RH |
3119 | ++*pp; |
3120 | ||
3121 | if (**pp == '=' || **pp == '+' || **pp == '-') | |
3122 | { | |
3123 | /* Obsolete flags that used to indicate the presence of | |
9f66665a | 3124 | constructors and/or destructors. */ |
252b5132 RH |
3125 | ++*pp; |
3126 | } | |
3127 | ||
3128 | if (**pp != '%') | |
b34976b6 | 3129 | return TRUE; |
252b5132 RH |
3130 | ++*pp; |
3131 | ||
3132 | hold = *pp; | |
3133 | ||
3134 | /* The next number is the type number of the base class (possibly | |
3135 | our own class) which supplies the vtable for this class. */ | |
81db3241 | 3136 | if (! parse_stab_type_number (pp, vtypenums, p_end)) |
b34976b6 | 3137 | return FALSE; |
252b5132 RH |
3138 | |
3139 | if (vtypenums[0] == typenums[0] | |
3140 | && vtypenums[1] == typenums[1]) | |
b34976b6 | 3141 | *retownvptr = TRUE; |
252b5132 RH |
3142 | else |
3143 | { | |
3144 | debug_type vtype; | |
3145 | const char *p; | |
3146 | ||
3147 | *pp = hold; | |
3148 | ||
3149 | vtype = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
81db3241 | 3150 | (debug_type **) NULL, p_end); |
252b5132 RH |
3151 | for (p = *pp; *p != ';' && *p != '\0'; p++) |
3152 | ; | |
3153 | if (*p != ';') | |
3154 | { | |
3155 | bad_stab (orig); | |
b34976b6 | 3156 | return FALSE; |
252b5132 RH |
3157 | } |
3158 | ||
3159 | *retvptrbase = vtype; | |
3160 | ||
3161 | *pp = p + 1; | |
3162 | } | |
3163 | ||
b34976b6 | 3164 | return TRUE; |
252b5132 RH |
3165 | } |
3166 | ||
3167 | /* Read a definition of an array type. */ | |
3168 | ||
3169 | static debug_type | |
81db3241 NC |
3170 | parse_stab_array_type (void * dhandle, |
3171 | struct stab_handle * info, | |
3172 | const char ** pp, | |
3173 | bfd_boolean stringp, | |
3174 | const char * p_end) | |
252b5132 RH |
3175 | { |
3176 | const char *orig; | |
3177 | const char *p; | |
3178 | int typenums[2]; | |
3179 | debug_type index_type; | |
b34976b6 | 3180 | bfd_boolean adjustable; |
252b5132 RH |
3181 | bfd_signed_vma lower, upper; |
3182 | debug_type element_type; | |
3183 | ||
3184 | /* Format of an array type: | |
3185 | "ar<index type>;lower;upper;<array_contents_type>". | |
3186 | OS9000: "arlower,upper;<array_contents_type>". | |
3187 | ||
3188 | Fortran adjustable arrays use Adigits or Tdigits for lower or upper; | |
3189 | for these, produce a type like float[][]. */ | |
3190 | ||
3191 | orig = *pp; | |
81db3241 NC |
3192 | if (orig >= p_end) |
3193 | return DEBUG_TYPE_NULL; | |
252b5132 RH |
3194 | |
3195 | /* FIXME: gdb checks os9k_stabs here. */ | |
3196 | ||
3197 | /* If the index type is type 0, we take it as int. */ | |
3198 | p = *pp; | |
81db3241 | 3199 | if (! parse_stab_type_number (&p, typenums, p_end)) |
3dceb55b | 3200 | return DEBUG_TYPE_NULL; |
81db3241 | 3201 | |
252b5132 RH |
3202 | if (typenums[0] == 0 && typenums[1] == 0 && **pp != '=') |
3203 | { | |
3204 | index_type = debug_find_named_type (dhandle, "int"); | |
3205 | if (index_type == DEBUG_TYPE_NULL) | |
3206 | { | |
b34976b6 | 3207 | index_type = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 | 3208 | if (index_type == DEBUG_TYPE_NULL) |
3dceb55b | 3209 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3210 | } |
3211 | *pp = p; | |
3212 | } | |
3213 | else | |
3214 | { | |
3215 | index_type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
81db3241 | 3216 | (debug_type **) NULL, p_end); |
252b5132 RH |
3217 | } |
3218 | ||
3219 | if (**pp != ';') | |
3220 | { | |
3221 | bad_stab (orig); | |
3222 | return DEBUG_TYPE_NULL; | |
3223 | } | |
3224 | ++*pp; | |
3225 | ||
b34976b6 | 3226 | adjustable = FALSE; |
252b5132 | 3227 | |
81db3241 | 3228 | if (! ISDIGIT (**pp) && **pp != '-' && **pp != 0) |
252b5132 RH |
3229 | { |
3230 | ++*pp; | |
b34976b6 | 3231 | adjustable = TRUE; |
252b5132 RH |
3232 | } |
3233 | ||
81db3241 | 3234 | lower = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL, p_end); |
252b5132 RH |
3235 | if (**pp != ';') |
3236 | { | |
3237 | bad_stab (orig); | |
3dceb55b | 3238 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3239 | } |
3240 | ++*pp; | |
3241 | ||
81db3241 | 3242 | if (! ISDIGIT (**pp) && **pp != '-' && **pp != 0) |
252b5132 RH |
3243 | { |
3244 | ++*pp; | |
b34976b6 | 3245 | adjustable = TRUE; |
252b5132 RH |
3246 | } |
3247 | ||
81db3241 | 3248 | upper = (bfd_signed_vma) parse_number (pp, (bfd_boolean *) NULL, p_end); |
252b5132 RH |
3249 | if (**pp != ';') |
3250 | { | |
3251 | bad_stab (orig); | |
3dceb55b | 3252 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3253 | } |
3254 | ++*pp; | |
3255 | ||
3256 | element_type = parse_stab_type (dhandle, info, (const char *) NULL, pp, | |
81db3241 | 3257 | (debug_type **) NULL, p_end); |
252b5132 | 3258 | if (element_type == DEBUG_TYPE_NULL) |
3dceb55b | 3259 | return DEBUG_TYPE_NULL; |
252b5132 RH |
3260 | |
3261 | if (adjustable) | |
3262 | { | |
3263 | lower = 0; | |
3264 | upper = -1; | |
3265 | } | |
3266 | ||
3267 | return debug_make_array_type (dhandle, element_type, index_type, lower, | |
3268 | upper, stringp); | |
3269 | } | |
3270 | ||
3271 | /* This struct holds information about files we have seen using | |
3272 | N_BINCL. */ | |
3273 | ||
3274 | struct bincl_file | |
3275 | { | |
3276 | /* The next N_BINCL file. */ | |
3277 | struct bincl_file *next; | |
3278 | /* The next N_BINCL on the stack. */ | |
3279 | struct bincl_file *next_stack; | |
3280 | /* The file name. */ | |
3281 | const char *name; | |
3282 | /* The hash value. */ | |
3283 | bfd_vma hash; | |
3284 | /* The file index. */ | |
3285 | unsigned int file; | |
3286 | /* The list of types defined in this file. */ | |
3287 | struct stab_types *file_types; | |
3288 | }; | |
3289 | ||
3290 | /* Start a new N_BINCL file, pushing it onto the stack. */ | |
3291 | ||
3292 | static void | |
2da42df6 | 3293 | push_bincl (struct stab_handle *info, const char *name, bfd_vma hash) |
252b5132 RH |
3294 | { |
3295 | struct bincl_file *n; | |
3296 | ||
3297 | n = (struct bincl_file *) xmalloc (sizeof *n); | |
3298 | n->next = info->bincl_list; | |
3299 | n->next_stack = info->bincl_stack; | |
3300 | n->name = name; | |
3301 | n->hash = hash; | |
3302 | n->file = info->files; | |
3303 | n->file_types = NULL; | |
3304 | info->bincl_list = n; | |
3305 | info->bincl_stack = n; | |
3306 | ||
3307 | ++info->files; | |
3308 | info->file_types = ((struct stab_types **) | |
2da42df6 | 3309 | xrealloc (info->file_types, |
252b5132 RH |
3310 | (info->files |
3311 | * sizeof *info->file_types))); | |
3312 | info->file_types[n->file] = NULL; | |
3313 | } | |
3314 | ||
3315 | /* Finish an N_BINCL file, at an N_EINCL, popping the name off the | |
3316 | stack. */ | |
3317 | ||
3318 | static const char * | |
2da42df6 | 3319 | pop_bincl (struct stab_handle *info) |
252b5132 RH |
3320 | { |
3321 | struct bincl_file *o; | |
3322 | ||
3323 | o = info->bincl_stack; | |
3324 | if (o == NULL) | |
3325 | return info->main_filename; | |
3326 | info->bincl_stack = o->next_stack; | |
3327 | ||
e45ad123 NC |
3328 | if (o->file >= info->files) |
3329 | return info->main_filename; | |
3330 | ||
252b5132 RH |
3331 | o->file_types = info->file_types[o->file]; |
3332 | ||
3333 | if (info->bincl_stack == NULL) | |
3334 | return info->main_filename; | |
3335 | return info->bincl_stack->name; | |
3336 | } | |
3337 | ||
3338 | /* Handle an N_EXCL: get the types from the corresponding N_BINCL. */ | |
3339 | ||
b34976b6 | 3340 | static bfd_boolean |
2da42df6 | 3341 | find_excl (struct stab_handle *info, const char *name, bfd_vma hash) |
252b5132 RH |
3342 | { |
3343 | struct bincl_file *l; | |
3344 | ||
3345 | ++info->files; | |
3346 | info->file_types = ((struct stab_types **) | |
2da42df6 | 3347 | xrealloc (info->file_types, |
252b5132 RH |
3348 | (info->files |
3349 | * sizeof *info->file_types))); | |
3350 | ||
3351 | for (l = info->bincl_list; l != NULL; l = l->next) | |
3352 | if (l->hash == hash && strcmp (l->name, name) == 0) | |
3353 | break; | |
3354 | if (l == NULL) | |
3355 | { | |
3356 | warn_stab (name, _("Undefined N_EXCL")); | |
3357 | info->file_types[info->files - 1] = NULL; | |
b34976b6 | 3358 | return TRUE; |
252b5132 RH |
3359 | } |
3360 | ||
3361 | info->file_types[info->files - 1] = l->file_types; | |
3362 | ||
b34976b6 | 3363 | return TRUE; |
252b5132 RH |
3364 | } |
3365 | ||
3366 | /* Handle a variable definition. gcc emits variable definitions for a | |
3367 | block before the N_LBRAC, so we must hold onto them until we see | |
3368 | it. The SunPRO compiler emits variable definitions after the | |
3369 | N_LBRAC, so we can call debug_record_variable immediately. */ | |
3370 | ||
b34976b6 | 3371 | static bfd_boolean |
2da42df6 AJ |
3372 | stab_record_variable (void *dhandle, struct stab_handle *info, |
3373 | const char *name, debug_type type, | |
3374 | enum debug_var_kind kind, bfd_vma val) | |
252b5132 RH |
3375 | { |
3376 | struct stab_pending_var *v; | |
3377 | ||
3378 | if ((kind == DEBUG_GLOBAL || kind == DEBUG_STATIC) | |
3379 | || ! info->within_function | |
3380 | || (info->gcc_compiled == 0 && info->n_opt_found)) | |
3381 | return debug_record_variable (dhandle, name, type, kind, val); | |
3382 | ||
3383 | v = (struct stab_pending_var *) xmalloc (sizeof *v); | |
3384 | memset (v, 0, sizeof *v); | |
3385 | ||
3386 | v->next = info->pending; | |
3387 | v->name = name; | |
3388 | v->type = type; | |
3389 | v->kind = kind; | |
3390 | v->val = val; | |
3391 | info->pending = v; | |
3392 | ||
b34976b6 | 3393 | return TRUE; |
252b5132 RH |
3394 | } |
3395 | ||
3396 | /* Emit pending variable definitions. This is called after we see the | |
3397 | N_LBRAC that starts the block. */ | |
3398 | ||
b34976b6 | 3399 | static bfd_boolean |
2da42df6 | 3400 | stab_emit_pending_vars (void *dhandle, struct stab_handle *info) |
252b5132 RH |
3401 | { |
3402 | struct stab_pending_var *v; | |
3403 | ||
3404 | v = info->pending; | |
3405 | while (v != NULL) | |
3406 | { | |
3407 | struct stab_pending_var *next; | |
3408 | ||
3409 | if (! debug_record_variable (dhandle, v->name, v->type, v->kind, v->val)) | |
b34976b6 | 3410 | return FALSE; |
252b5132 RH |
3411 | |
3412 | next = v->next; | |
3413 | free (v); | |
3414 | v = next; | |
3415 | } | |
3416 | ||
3417 | info->pending = NULL; | |
3418 | ||
b34976b6 | 3419 | return TRUE; |
252b5132 RH |
3420 | } |
3421 | ||
3422 | /* Find the slot for a type in the database. */ | |
3423 | ||
3424 | static debug_type * | |
2da42df6 | 3425 | stab_find_slot (struct stab_handle *info, const int *typenums) |
252b5132 RH |
3426 | { |
3427 | int filenum; | |
91d6fa6a | 3428 | int tindex; |
252b5132 RH |
3429 | struct stab_types **ps; |
3430 | ||
3431 | filenum = typenums[0]; | |
91d6fa6a | 3432 | tindex = typenums[1]; |
252b5132 RH |
3433 | |
3434 | if (filenum < 0 || (unsigned int) filenum >= info->files) | |
3435 | { | |
3436 | fprintf (stderr, _("Type file number %d out of range\n"), filenum); | |
3437 | return NULL; | |
3438 | } | |
91d6fa6a | 3439 | if (tindex < 0) |
252b5132 | 3440 | { |
91d6fa6a | 3441 | fprintf (stderr, _("Type index number %d out of range\n"), tindex); |
252b5132 RH |
3442 | return NULL; |
3443 | } | |
3444 | ||
3445 | ps = info->file_types + filenum; | |
3446 | ||
91d6fa6a | 3447 | while (tindex >= STAB_TYPES_SLOTS) |
252b5132 RH |
3448 | { |
3449 | if (*ps == NULL) | |
3450 | { | |
3451 | *ps = (struct stab_types *) xmalloc (sizeof **ps); | |
3452 | memset (*ps, 0, sizeof **ps); | |
3453 | } | |
3454 | ps = &(*ps)->next; | |
91d6fa6a | 3455 | tindex -= STAB_TYPES_SLOTS; |
252b5132 RH |
3456 | } |
3457 | if (*ps == NULL) | |
3458 | { | |
3459 | *ps = (struct stab_types *) xmalloc (sizeof **ps); | |
3460 | memset (*ps, 0, sizeof **ps); | |
3461 | } | |
3462 | ||
91d6fa6a | 3463 | return (*ps)->types + tindex; |
252b5132 RH |
3464 | } |
3465 | ||
3466 | /* Find a type given a type number. If the type has not been | |
3467 | allocated yet, create an indirect type. */ | |
3468 | ||
3469 | static debug_type | |
2da42df6 | 3470 | stab_find_type (void *dhandle, struct stab_handle *info, const int *typenums) |
252b5132 RH |
3471 | { |
3472 | debug_type *slot; | |
3473 | ||
3474 | if (typenums[0] == 0 && typenums[1] < 0) | |
3475 | { | |
3476 | /* A negative type number indicates an XCOFF builtin type. */ | |
3477 | return stab_xcoff_builtin_type (dhandle, info, typenums[1]); | |
3478 | } | |
3479 | ||
3480 | slot = stab_find_slot (info, typenums); | |
3481 | if (slot == NULL) | |
3482 | return DEBUG_TYPE_NULL; | |
3483 | ||
3484 | if (*slot == DEBUG_TYPE_NULL) | |
3485 | return debug_make_indirect_type (dhandle, slot, (const char *) NULL); | |
3486 | ||
3487 | return *slot; | |
3488 | } | |
3489 | ||
3490 | /* Record that a given type number refers to a given type. */ | |
3491 | ||
b34976b6 | 3492 | static bfd_boolean |
2da42df6 AJ |
3493 | stab_record_type (void *dhandle ATTRIBUTE_UNUSED, struct stab_handle *info, |
3494 | const int *typenums, debug_type type) | |
252b5132 RH |
3495 | { |
3496 | debug_type *slot; | |
3497 | ||
3498 | slot = stab_find_slot (info, typenums); | |
3499 | if (slot == NULL) | |
b34976b6 | 3500 | return FALSE; |
252b5132 RH |
3501 | |
3502 | /* gdb appears to ignore type redefinitions, so we do as well. */ | |
3503 | ||
3504 | *slot = type; | |
3505 | ||
b34976b6 | 3506 | return TRUE; |
252b5132 RH |
3507 | } |
3508 | ||
3509 | /* Return an XCOFF builtin type. */ | |
3510 | ||
3511 | static debug_type | |
2da42df6 AJ |
3512 | stab_xcoff_builtin_type (void *dhandle, struct stab_handle *info, |
3513 | int typenum) | |
252b5132 RH |
3514 | { |
3515 | debug_type rettype; | |
3516 | const char *name; | |
3517 | ||
3518 | if (typenum >= 0 || typenum < -XCOFF_TYPE_COUNT) | |
3519 | { | |
3520 | fprintf (stderr, _("Unrecognized XCOFF type %d\n"), typenum); | |
3521 | return DEBUG_TYPE_NULL; | |
3522 | } | |
3523 | if (info->xcoff_types[-typenum] != NULL) | |
3524 | return info->xcoff_types[-typenum]; | |
3525 | ||
3526 | switch (-typenum) | |
3527 | { | |
3528 | case 1: | |
3529 | /* The size of this and all the other types are fixed, defined | |
3530 | by the debugging format. */ | |
3531 | name = "int"; | |
b34976b6 | 3532 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3533 | break; |
3534 | case 2: | |
3535 | name = "char"; | |
b34976b6 | 3536 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3537 | break; |
3538 | case 3: | |
3539 | name = "short"; | |
b34976b6 | 3540 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3541 | break; |
3542 | case 4: | |
3543 | name = "long"; | |
b34976b6 | 3544 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3545 | break; |
3546 | case 5: | |
3547 | name = "unsigned char"; | |
b34976b6 | 3548 | rettype = debug_make_int_type (dhandle, 1, TRUE); |
252b5132 RH |
3549 | break; |
3550 | case 6: | |
3551 | name = "signed char"; | |
b34976b6 | 3552 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3553 | break; |
3554 | case 7: | |
3555 | name = "unsigned short"; | |
b34976b6 | 3556 | rettype = debug_make_int_type (dhandle, 2, TRUE); |
252b5132 RH |
3557 | break; |
3558 | case 8: | |
3559 | name = "unsigned int"; | |
b34976b6 | 3560 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3561 | break; |
3562 | case 9: | |
3563 | name = "unsigned"; | |
b34976b6 | 3564 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
2b804145 | 3565 | break; |
252b5132 RH |
3566 | case 10: |
3567 | name = "unsigned long"; | |
b34976b6 | 3568 | rettype = debug_make_int_type (dhandle, 4, TRUE); |
252b5132 RH |
3569 | break; |
3570 | case 11: | |
3571 | name = "void"; | |
3572 | rettype = debug_make_void_type (dhandle); | |
3573 | break; | |
3574 | case 12: | |
3575 | /* IEEE single precision (32 bit). */ | |
3576 | name = "float"; | |
3577 | rettype = debug_make_float_type (dhandle, 4); | |
3578 | break; | |
3579 | case 13: | |
3580 | /* IEEE double precision (64 bit). */ | |
3581 | name = "double"; | |
3582 | rettype = debug_make_float_type (dhandle, 8); | |
3583 | break; | |
3584 | case 14: | |
3585 | /* This is an IEEE double on the RS/6000, and different machines | |
3586 | with different sizes for "long double" should use different | |
3587 | negative type numbers. See stabs.texinfo. */ | |
3588 | name = "long double"; | |
3589 | rettype = debug_make_float_type (dhandle, 8); | |
3590 | break; | |
3591 | case 15: | |
3592 | name = "integer"; | |
b34976b6 | 3593 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3594 | break; |
3595 | case 16: | |
3596 | name = "boolean"; | |
3597 | rettype = debug_make_bool_type (dhandle, 4); | |
3598 | break; | |
3599 | case 17: | |
3600 | name = "short real"; | |
3601 | rettype = debug_make_float_type (dhandle, 4); | |
3602 | break; | |
3603 | case 18: | |
3604 | name = "real"; | |
3605 | rettype = debug_make_float_type (dhandle, 8); | |
3606 | break; | |
3607 | case 19: | |
3608 | /* FIXME */ | |
3609 | name = "stringptr"; | |
3610 | rettype = NULL; | |
3611 | break; | |
3612 | case 20: | |
3613 | /* FIXME */ | |
3614 | name = "character"; | |
b34976b6 | 3615 | rettype = debug_make_int_type (dhandle, 1, TRUE); |
252b5132 RH |
3616 | break; |
3617 | case 21: | |
3618 | name = "logical*1"; | |
3619 | rettype = debug_make_bool_type (dhandle, 1); | |
3620 | break; | |
3621 | case 22: | |
3622 | name = "logical*2"; | |
3623 | rettype = debug_make_bool_type (dhandle, 2); | |
3624 | break; | |
3625 | case 23: | |
3626 | name = "logical*4"; | |
3627 | rettype = debug_make_bool_type (dhandle, 4); | |
3628 | break; | |
3629 | case 24: | |
3630 | name = "logical"; | |
3631 | rettype = debug_make_bool_type (dhandle, 4); | |
3632 | break; | |
3633 | case 25: | |
3634 | /* Complex type consisting of two IEEE single precision values. */ | |
3635 | name = "complex"; | |
3636 | rettype = debug_make_complex_type (dhandle, 8); | |
3637 | break; | |
3638 | case 26: | |
3639 | /* Complex type consisting of two IEEE double precision values. */ | |
3640 | name = "double complex"; | |
3641 | rettype = debug_make_complex_type (dhandle, 16); | |
3642 | break; | |
3643 | case 27: | |
3644 | name = "integer*1"; | |
b34976b6 | 3645 | rettype = debug_make_int_type (dhandle, 1, FALSE); |
252b5132 RH |
3646 | break; |
3647 | case 28: | |
3648 | name = "integer*2"; | |
b34976b6 | 3649 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3650 | break; |
3651 | case 29: | |
3652 | name = "integer*4"; | |
b34976b6 | 3653 | rettype = debug_make_int_type (dhandle, 4, FALSE); |
252b5132 RH |
3654 | break; |
3655 | case 30: | |
3656 | /* FIXME */ | |
3657 | name = "wchar"; | |
b34976b6 | 3658 | rettype = debug_make_int_type (dhandle, 2, FALSE); |
252b5132 RH |
3659 | break; |
3660 | case 31: | |
3661 | name = "long long"; | |
b34976b6 | 3662 | rettype = debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
3663 | break; |
3664 | case 32: | |
3665 | name = "unsigned long long"; | |
b34976b6 | 3666 | rettype = debug_make_int_type (dhandle, 8, TRUE); |
252b5132 RH |
3667 | break; |
3668 | case 33: | |
3669 | name = "logical*8"; | |
3670 | rettype = debug_make_bool_type (dhandle, 8); | |
3671 | break; | |
3672 | case 34: | |
3673 | name = "integer*8"; | |
b34976b6 | 3674 | rettype = debug_make_int_type (dhandle, 8, FALSE); |
252b5132 RH |
3675 | break; |
3676 | default: | |
3677 | abort (); | |
3678 | } | |
3679 | ||
3680 | rettype = debug_name_type (dhandle, name, rettype); | |
3681 | ||
3682 | info->xcoff_types[-typenum] = rettype; | |
3683 | ||
3684 | return rettype; | |
3685 | } | |
3686 | ||
3687 | /* Find or create a tagged type. */ | |
3688 | ||
3689 | static debug_type | |
2da42df6 AJ |
3690 | stab_find_tagged_type (void *dhandle, struct stab_handle *info, |
3691 | const char *p, int len, enum debug_type_kind kind) | |
252b5132 RH |
3692 | { |
3693 | char *name; | |
3694 | debug_type dtype; | |
3695 | struct stab_tag *st; | |
3696 | ||
3697 | name = savestring (p, len); | |
3698 | ||
3699 | /* We pass DEBUG_KIND_ILLEGAL because we want all tags in the same | |
3700 | namespace. This is right for C, and I don't know how to handle | |
3701 | other languages. FIXME. */ | |
3702 | dtype = debug_find_tagged_type (dhandle, name, DEBUG_KIND_ILLEGAL); | |
3703 | if (dtype != DEBUG_TYPE_NULL) | |
3704 | { | |
3705 | free (name); | |
3706 | return dtype; | |
3707 | } | |
3708 | ||
3709 | /* We need to allocate an entry on the undefined tag list. */ | |
3710 | for (st = info->tags; st != NULL; st = st->next) | |
3711 | { | |
3712 | if (st->name[0] == name[0] | |
3713 | && strcmp (st->name, name) == 0) | |
3714 | { | |
3715 | if (st->kind == DEBUG_KIND_ILLEGAL) | |
3716 | st->kind = kind; | |
3717 | free (name); | |
3718 | break; | |
3719 | } | |
3720 | } | |
3721 | if (st == NULL) | |
3722 | { | |
3723 | st = (struct stab_tag *) xmalloc (sizeof *st); | |
3724 | memset (st, 0, sizeof *st); | |
3725 | ||
3726 | st->next = info->tags; | |
3727 | st->name = name; | |
3728 | st->kind = kind; | |
3729 | st->slot = DEBUG_TYPE_NULL; | |
3730 | st->type = debug_make_indirect_type (dhandle, &st->slot, name); | |
3731 | info->tags = st; | |
3732 | } | |
3733 | ||
3734 | return st->type; | |
3735 | } | |
3736 | \f | |
3737 | /* In order to get the correct argument types for a stubbed method, we | |
3738 | need to extract the argument types from a C++ mangled string. | |
3739 | Since the argument types can refer back to the return type, this | |
3740 | means that we must demangle the entire physical name. In gdb this | |
3741 | is done by calling cplus_demangle and running the results back | |
3742 | through the C++ expression parser. Since we have no expression | |
3743 | parser, we must duplicate much of the work of cplus_demangle here. | |
3744 | ||
3745 | We assume that GNU style demangling is used, since this is only | |
3746 | done for method stubs, and only g++ should output that form of | |
3747 | debugging information. */ | |
3748 | ||
3749 | /* This structure is used to hold a pointer to type information which | |
3750 | demangling a string. */ | |
3751 | ||
3752 | struct stab_demangle_typestring | |
3753 | { | |
3754 | /* The start of the type. This is not null terminated. */ | |
3755 | const char *typestring; | |
3756 | /* The length of the type. */ | |
3757 | unsigned int len; | |
3758 | }; | |
3759 | ||
3760 | /* This structure is used to hold information while demangling a | |
3761 | string. */ | |
3762 | ||
3763 | struct stab_demangle_info | |
3764 | { | |
3765 | /* The debugging information handle. */ | |
2da42df6 | 3766 | void *dhandle; |
252b5132 RH |
3767 | /* The stab information handle. */ |
3768 | struct stab_handle *info; | |
3769 | /* The array of arguments we are building. */ | |
3770 | debug_type *args; | |
3771 | /* Whether the method takes a variable number of arguments. */ | |
b34976b6 | 3772 | bfd_boolean varargs; |
252b5132 RH |
3773 | /* The array of types we have remembered. */ |
3774 | struct stab_demangle_typestring *typestrings; | |
3775 | /* The number of typestrings. */ | |
3776 | unsigned int typestring_count; | |
3777 | /* The number of typestring slots we have allocated. */ | |
3778 | unsigned int typestring_alloc; | |
3779 | }; | |
3780 | ||
2da42df6 AJ |
3781 | static void stab_bad_demangle (const char *); |
3782 | static unsigned int stab_demangle_count (const char **); | |
3783 | static bfd_boolean stab_demangle_get_count (const char **, unsigned int *); | |
b34976b6 | 3784 | static bfd_boolean stab_demangle_prefix |
2da42df6 | 3785 | (struct stab_demangle_info *, const char **, unsigned int); |
b34976b6 | 3786 | static bfd_boolean stab_demangle_function_name |
2da42df6 | 3787 | (struct stab_demangle_info *, const char **, const char *); |
b34976b6 | 3788 | static bfd_boolean stab_demangle_signature |
2da42df6 | 3789 | (struct stab_demangle_info *, const char **); |
b34976b6 | 3790 | static bfd_boolean stab_demangle_qualified |
2da42df6 | 3791 | (struct stab_demangle_info *, const char **, debug_type *); |
b34976b6 | 3792 | static bfd_boolean stab_demangle_template |
2da42df6 | 3793 | (struct stab_demangle_info *, const char **, char **); |
b34976b6 | 3794 | static bfd_boolean stab_demangle_class |
2da42df6 | 3795 | (struct stab_demangle_info *, const char **, const char **); |
b34976b6 | 3796 | static bfd_boolean stab_demangle_args |
2da42df6 | 3797 | (struct stab_demangle_info *, const char **, debug_type **, bfd_boolean *); |
b34976b6 | 3798 | static bfd_boolean stab_demangle_arg |
2da42df6 AJ |
3799 | (struct stab_demangle_info *, const char **, debug_type **, |
3800 | unsigned int *, unsigned int *); | |
b34976b6 | 3801 | static bfd_boolean stab_demangle_type |
2da42df6 | 3802 | (struct stab_demangle_info *, const char **, debug_type *); |
b34976b6 | 3803 | static bfd_boolean stab_demangle_fund_type |
2da42df6 | 3804 | (struct stab_demangle_info *, const char **, debug_type *); |
b34976b6 | 3805 | static bfd_boolean stab_demangle_remember_type |
2da42df6 | 3806 | (struct stab_demangle_info *, const char *, int); |
252b5132 RH |
3807 | |
3808 | /* Warn about a bad demangling. */ | |
3809 | ||
3810 | static void | |
2da42df6 | 3811 | stab_bad_demangle (const char *s) |
252b5132 RH |
3812 | { |
3813 | fprintf (stderr, _("bad mangled name `%s'\n"), s); | |
3814 | } | |
3815 | ||
3816 | /* Get a count from a stab string. */ | |
3817 | ||
3818 | static unsigned int | |
2da42df6 | 3819 | stab_demangle_count (const char **pp) |
252b5132 RH |
3820 | { |
3821 | unsigned int count; | |
3822 | ||
3823 | count = 0; | |
3882b010 | 3824 | while (ISDIGIT (**pp)) |
252b5132 RH |
3825 | { |
3826 | count *= 10; | |
3827 | count += **pp - '0'; | |
3828 | ++*pp; | |
3829 | } | |
3830 | return count; | |
3831 | } | |
3832 | ||
3833 | /* Require a count in a string. The count may be multiple digits, in | |
3834 | which case it must end in an underscore. */ | |
3835 | ||
b34976b6 | 3836 | static bfd_boolean |
2da42df6 | 3837 | stab_demangle_get_count (const char **pp, unsigned int *pi) |
252b5132 | 3838 | { |
3882b010 | 3839 | if (! ISDIGIT (**pp)) |
b34976b6 | 3840 | return FALSE; |
252b5132 RH |
3841 | |
3842 | *pi = **pp - '0'; | |
3843 | ++*pp; | |
3882b010 | 3844 | if (ISDIGIT (**pp)) |
252b5132 RH |
3845 | { |
3846 | unsigned int count; | |
3847 | const char *p; | |
3848 | ||
3849 | count = *pi; | |
3850 | p = *pp; | |
3851 | do | |
3852 | { | |
3853 | count *= 10; | |
3854 | count += *p - '0'; | |
3855 | ++p; | |
3856 | } | |
3882b010 | 3857 | while (ISDIGIT (*p)); |
252b5132 RH |
3858 | if (*p == '_') |
3859 | { | |
3860 | *pp = p + 1; | |
3861 | *pi = count; | |
3862 | } | |
3863 | } | |
3864 | ||
b34976b6 | 3865 | return TRUE; |
252b5132 RH |
3866 | } |
3867 | ||
3868 | /* This function demangles a physical name, returning a NULL | |
3869 | terminated array of argument types. */ | |
3870 | ||
3871 | static debug_type * | |
2da42df6 AJ |
3872 | stab_demangle_argtypes (void *dhandle, struct stab_handle *info, |
3873 | const char *physname, bfd_boolean *pvarargs, | |
3874 | unsigned int physname_len) | |
252b5132 RH |
3875 | { |
3876 | struct stab_demangle_info minfo; | |
3877 | ||
041821e6 ILT |
3878 | /* Check for the g++ V3 ABI. */ |
3879 | if (physname[0] == '_' && physname[1] == 'Z') | |
3880 | return stab_demangle_v3_argtypes (dhandle, info, physname, pvarargs); | |
3881 | ||
252b5132 RH |
3882 | minfo.dhandle = dhandle; |
3883 | minfo.info = info; | |
3884 | minfo.args = NULL; | |
b34976b6 | 3885 | minfo.varargs = FALSE; |
252b5132 RH |
3886 | minfo.typestring_alloc = 10; |
3887 | minfo.typestrings = ((struct stab_demangle_typestring *) | |
3888 | xmalloc (minfo.typestring_alloc | |
3889 | * sizeof *minfo.typestrings)); | |
3890 | minfo.typestring_count = 0; | |
3891 | ||
3892 | /* cplus_demangle checks for special GNU mangled forms, but we can't | |
3893 | see any of them in mangled method argument types. */ | |
3894 | ||
4b73ca92 | 3895 | if (! stab_demangle_prefix (&minfo, &physname, physname_len)) |
252b5132 RH |
3896 | goto error_return; |
3897 | ||
3898 | if (*physname != '\0') | |
3899 | { | |
3900 | if (! stab_demangle_signature (&minfo, &physname)) | |
3901 | goto error_return; | |
3902 | } | |
3903 | ||
3904 | free (minfo.typestrings); | |
3905 | minfo.typestrings = NULL; | |
3906 | ||
3907 | if (minfo.args == NULL) | |
3908 | fprintf (stderr, _("no argument types in mangled string\n")); | |
3909 | ||
3910 | *pvarargs = minfo.varargs; | |
3911 | return minfo.args; | |
3912 | ||
3913 | error_return: | |
3914 | if (minfo.typestrings != NULL) | |
3915 | free (minfo.typestrings); | |
3916 | return NULL; | |
3917 | } | |
3918 | ||
3919 | /* Demangle the prefix of the mangled name. */ | |
3920 | ||
b34976b6 | 3921 | static bfd_boolean |
2da42df6 AJ |
3922 | stab_demangle_prefix (struct stab_demangle_info *minfo, const char **pp, |
3923 | unsigned int physname_len) | |
252b5132 RH |
3924 | { |
3925 | const char *scan; | |
3926 | unsigned int i; | |
3927 | ||
3928 | /* cplus_demangle checks for global constructors and destructors, | |
3929 | but we can't see them in mangled argument types. */ | |
3930 | ||
4b73ca92 NC |
3931 | if (physname_len) |
3932 | scan = *pp + physname_len; | |
3933 | else | |
252b5132 | 3934 | { |
4b73ca92 NC |
3935 | /* Look for `__'. */ |
3936 | scan = *pp; | |
3937 | do | |
3938 | scan = strchr (scan, '_'); | |
3939 | while (scan != NULL && *++scan != '_'); | |
252b5132 | 3940 | |
4b73ca92 NC |
3941 | if (scan == NULL) |
3942 | { | |
3943 | stab_bad_demangle (*pp); | |
b34976b6 | 3944 | return FALSE; |
4b73ca92 | 3945 | } |
252b5132 | 3946 | |
4b73ca92 | 3947 | --scan; |
252b5132 | 3948 | |
4b73ca92 NC |
3949 | /* We found `__'; move ahead to the last contiguous `__' pair. */ |
3950 | i = strspn (scan, "_"); | |
3951 | if (i > 2) | |
3952 | scan += i - 2; | |
3953 | } | |
252b5132 RH |
3954 | |
3955 | if (scan == *pp | |
3882b010 | 3956 | && (ISDIGIT (scan[2]) |
252b5132 RH |
3957 | || scan[2] == 'Q' |
3958 | || scan[2] == 't')) | |
3959 | { | |
3960 | /* This is a GNU style constructor name. */ | |
3961 | *pp = scan + 2; | |
b34976b6 | 3962 | return TRUE; |
252b5132 RH |
3963 | } |
3964 | else if (scan == *pp | |
3882b010 | 3965 | && ! ISDIGIT (scan[2]) |
252b5132 RH |
3966 | && scan[2] != 't') |
3967 | { | |
3968 | /* Look for the `__' that separates the prefix from the | |
3969 | signature. */ | |
3970 | while (*scan == '_') | |
3971 | ++scan; | |
3972 | scan = strstr (scan, "__"); | |
3973 | if (scan == NULL || scan[2] == '\0') | |
3974 | { | |
3975 | stab_bad_demangle (*pp); | |
b34976b6 | 3976 | return FALSE; |
252b5132 RH |
3977 | } |
3978 | ||
3979 | return stab_demangle_function_name (minfo, pp, scan); | |
3980 | } | |
3981 | else if (scan[2] != '\0') | |
3982 | { | |
3983 | /* The name doesn't start with `__', but it does contain `__'. */ | |
3984 | return stab_demangle_function_name (minfo, pp, scan); | |
3985 | } | |
3986 | else | |
3987 | { | |
3988 | stab_bad_demangle (*pp); | |
b34976b6 | 3989 | return FALSE; |
252b5132 RH |
3990 | } |
3991 | /*NOTREACHED*/ | |
3992 | } | |
3993 | ||
3994 | /* Demangle a function name prefix. The scan argument points to the | |
3995 | double underscore which separates the function name from the | |
3996 | signature. */ | |
3997 | ||
b34976b6 | 3998 | static bfd_boolean |
2da42df6 AJ |
3999 | stab_demangle_function_name (struct stab_demangle_info *minfo, |
4000 | const char **pp, const char *scan) | |
252b5132 RH |
4001 | { |
4002 | const char *name; | |
4003 | ||
4004 | /* The string from *pp to scan is the name of the function. We | |
4005 | don't care about the name, since we just looking for argument | |
4006 | types. However, for conversion operators, the name may include a | |
4007 | type which we must remember in order to handle backreferences. */ | |
4008 | ||
4009 | name = *pp; | |
4010 | *pp = scan + 2; | |
4011 | ||
4012 | if (*pp - name >= 5 | |
0112cd26 | 4013 | && CONST_STRNEQ (name, "type") |
252b5132 RH |
4014 | && (name[4] == '$' || name[4] == '.')) |
4015 | { | |
4016 | const char *tem; | |
4017 | ||
4018 | /* This is a type conversion operator. */ | |
4019 | tem = name + 5; | |
4020 | if (! stab_demangle_type (minfo, &tem, (debug_type *) NULL)) | |
b34976b6 | 4021 | return FALSE; |
252b5132 RH |
4022 | } |
4023 | else if (name[0] == '_' | |
4024 | && name[1] == '_' | |
4025 | && name[2] == 'o' | |
4026 | && name[3] == 'p') | |
4027 | { | |
4028 | const char *tem; | |
4029 | ||
4030 | /* This is a type conversion operator. */ | |
4031 | tem = name + 4; | |
4032 | if (! stab_demangle_type (minfo, &tem, (debug_type *) NULL)) | |
b34976b6 | 4033 | return FALSE; |
252b5132 RH |
4034 | } |
4035 | ||
b34976b6 | 4036 | return TRUE; |
252b5132 RH |
4037 | } |
4038 | ||
4039 | /* Demangle the signature. This is where the argument types are | |
4040 | found. */ | |
4041 | ||
b34976b6 | 4042 | static bfd_boolean |
2da42df6 | 4043 | stab_demangle_signature (struct stab_demangle_info *minfo, const char **pp) |
252b5132 RH |
4044 | { |
4045 | const char *orig; | |
b34976b6 | 4046 | bfd_boolean expect_func, func_done; |
252b5132 RH |
4047 | const char *hold; |
4048 | ||
4049 | orig = *pp; | |
4050 | ||
b34976b6 AM |
4051 | expect_func = FALSE; |
4052 | func_done = FALSE; | |
252b5132 RH |
4053 | hold = NULL; |
4054 | ||
4055 | while (**pp != '\0') | |
4056 | { | |
4057 | switch (**pp) | |
4058 | { | |
4059 | case 'Q': | |
4060 | hold = *pp; | |
4061 | if (! stab_demangle_qualified (minfo, pp, (debug_type *) NULL) | |
4062 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 AM |
4063 | return FALSE; |
4064 | expect_func = TRUE; | |
252b5132 RH |
4065 | hold = NULL; |
4066 | break; | |
4067 | ||
4068 | case 'S': | |
4069 | /* Static member function. FIXME: Can this happen? */ | |
4070 | if (hold == NULL) | |
4071 | hold = *pp; | |
4072 | ++*pp; | |
4073 | break; | |
4074 | ||
4075 | case 'C': | |
4076 | /* Const member function. */ | |
4077 | if (hold == NULL) | |
4078 | hold = *pp; | |
4079 | ++*pp; | |
4080 | break; | |
4081 | ||
4082 | case '0': case '1': case '2': case '3': case '4': | |
4083 | case '5': case '6': case '7': case '8': case '9': | |
4084 | if (hold == NULL) | |
4085 | hold = *pp; | |
4086 | if (! stab_demangle_class (minfo, pp, (const char **) NULL) | |
4087 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 AM |
4088 | return FALSE; |
4089 | expect_func = TRUE; | |
252b5132 RH |
4090 | hold = NULL; |
4091 | break; | |
4092 | ||
4093 | case 'F': | |
4094 | /* Function. I don't know if this actually happens with g++ | |
4095 | output. */ | |
4096 | hold = NULL; | |
b34976b6 | 4097 | func_done = TRUE; |
252b5132 RH |
4098 | ++*pp; |
4099 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) | |
b34976b6 | 4100 | return FALSE; |
252b5132 RH |
4101 | break; |
4102 | ||
4103 | case 't': | |
4104 | /* Template. */ | |
4105 | if (hold == NULL) | |
4106 | hold = *pp; | |
4107 | if (! stab_demangle_template (minfo, pp, (char **) NULL) | |
4108 | || ! stab_demangle_remember_type (minfo, hold, *pp - hold)) | |
b34976b6 | 4109 | return FALSE; |
252b5132 | 4110 | hold = NULL; |
b34976b6 | 4111 | expect_func = TRUE; |
252b5132 RH |
4112 | break; |
4113 | ||
4114 | case '_': | |
4115 | /* At the outermost level, we cannot have a return type | |
4116 | specified, so if we run into another '_' at this point we | |
4117 | are dealing with a mangled name that is either bogus, or | |
4118 | has been mangled by some algorithm we don't know how to | |
4119 | deal with. So just reject the entire demangling. */ | |
4120 | stab_bad_demangle (orig); | |
b34976b6 | 4121 | return FALSE; |
252b5132 RH |
4122 | |
4123 | default: | |
4124 | /* Assume we have stumbled onto the first outermost function | |
4125 | argument token, and start processing args. */ | |
b34976b6 | 4126 | func_done = TRUE; |
252b5132 | 4127 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) |
b34976b6 | 4128 | return FALSE; |
252b5132 RH |
4129 | break; |
4130 | } | |
4131 | ||
4132 | if (expect_func) | |
4133 | { | |
b34976b6 | 4134 | func_done = TRUE; |
252b5132 | 4135 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) |
b34976b6 | 4136 | return FALSE; |
252b5132 RH |
4137 | } |
4138 | } | |
4139 | ||
4140 | if (! func_done) | |
4141 | { | |
4142 | /* With GNU style demangling, bar__3foo is 'foo::bar(void)', and | |
4143 | bar__3fooi is 'foo::bar(int)'. We get here when we find the | |
4144 | first case, and need to ensure that the '(void)' gets added | |
4145 | to the current declp. */ | |
4146 | if (! stab_demangle_args (minfo, pp, &minfo->args, &minfo->varargs)) | |
b34976b6 | 4147 | return FALSE; |
252b5132 RH |
4148 | } |
4149 | ||
b34976b6 | 4150 | return TRUE; |
252b5132 RH |
4151 | } |
4152 | ||
4153 | /* Demangle a qualified name, such as "Q25Outer5Inner" which is the | |
4154 | mangled form of "Outer::Inner". */ | |
4155 | ||
b34976b6 | 4156 | static bfd_boolean |
2da42df6 AJ |
4157 | stab_demangle_qualified (struct stab_demangle_info *minfo, const char **pp, |
4158 | debug_type *ptype) | |
252b5132 RH |
4159 | { |
4160 | const char *orig; | |
4161 | const char *p; | |
4162 | unsigned int qualifiers; | |
4163 | debug_type context; | |
4164 | ||
4165 | orig = *pp; | |
4166 | ||
4167 | switch ((*pp)[1]) | |
4168 | { | |
4169 | case '_': | |
4170 | /* GNU mangled name with more than 9 classes. The count is | |
4171 | preceded by an underscore (to distinguish it from the <= 9 | |
4172 | case) and followed by an underscore. */ | |
4173 | p = *pp + 2; | |
3882b010 | 4174 | if (! ISDIGIT (*p) || *p == '0') |
252b5132 RH |
4175 | { |
4176 | stab_bad_demangle (orig); | |
b34976b6 | 4177 | return FALSE; |
252b5132 RH |
4178 | } |
4179 | qualifiers = atoi (p); | |
3882b010 | 4180 | while (ISDIGIT (*p)) |
252b5132 RH |
4181 | ++p; |
4182 | if (*p != '_') | |
4183 | { | |
4184 | stab_bad_demangle (orig); | |
b34976b6 | 4185 | return FALSE; |
252b5132 RH |
4186 | } |
4187 | *pp = p + 1; | |
4188 | break; | |
4189 | ||
4190 | case '1': case '2': case '3': case '4': case '5': | |
4191 | case '6': case '7': case '8': case '9': | |
4192 | qualifiers = (*pp)[1] - '0'; | |
4193 | /* Skip an optional underscore after the count. */ | |
4194 | if ((*pp)[2] == '_') | |
4195 | ++*pp; | |
4196 | *pp += 2; | |
4197 | break; | |
4198 | ||
4199 | case '0': | |
4200 | default: | |
4201 | stab_bad_demangle (orig); | |
b34976b6 | 4202 | return FALSE; |
252b5132 RH |
4203 | } |
4204 | ||
4205 | context = DEBUG_TYPE_NULL; | |
4206 | ||
4207 | /* Pick off the names. */ | |
4208 | while (qualifiers-- > 0) | |
4209 | { | |
4210 | if (**pp == '_') | |
4211 | ++*pp; | |
4212 | if (**pp == 't') | |
4213 | { | |
4214 | char *name; | |
4215 | ||
4216 | if (! stab_demangle_template (minfo, pp, | |
4217 | ptype != NULL ? &name : NULL)) | |
b34976b6 | 4218 | return FALSE; |
252b5132 RH |
4219 | |
4220 | if (ptype != NULL) | |
4221 | { | |
4222 | context = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
4223 | name, strlen (name), | |
4224 | DEBUG_KIND_CLASS); | |
4225 | free (name); | |
4226 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 4227 | return FALSE; |
252b5132 RH |
4228 | } |
4229 | } | |
4230 | else | |
4231 | { | |
4232 | unsigned int len; | |
4233 | ||
4234 | len = stab_demangle_count (pp); | |
4235 | if (strlen (*pp) < len) | |
4236 | { | |
4237 | stab_bad_demangle (orig); | |
b34976b6 | 4238 | return FALSE; |
252b5132 RH |
4239 | } |
4240 | ||
4241 | if (ptype != NULL) | |
4242 | { | |
4243 | const debug_field *fields; | |
4244 | ||
4245 | fields = NULL; | |
4246 | if (context != DEBUG_TYPE_NULL) | |
4247 | fields = debug_get_fields (minfo->dhandle, context); | |
4248 | ||
4249 | context = DEBUG_TYPE_NULL; | |
4250 | ||
4251 | if (fields != NULL) | |
4252 | { | |
4253 | char *name; | |
4254 | ||
4255 | /* Try to find the type by looking through the | |
4256 | fields of context until we find a field with the | |
4257 | same type. This ought to work for a class | |
4258 | defined within a class, but it won't work for, | |
4259 | e.g., an enum defined within a class. stabs does | |
4260 | not give us enough information to figure out the | |
4261 | latter case. */ | |
4262 | ||
4263 | name = savestring (*pp, len); | |
4264 | ||
4265 | for (; *fields != DEBUG_FIELD_NULL; fields++) | |
4266 | { | |
4267 | debug_type ft; | |
4268 | const char *dn; | |
4269 | ||
4270 | ft = debug_get_field_type (minfo->dhandle, *fields); | |
4271 | if (ft == NULL) | |
1fcab1af NC |
4272 | { |
4273 | free (name); | |
4274 | return FALSE; | |
4275 | } | |
252b5132 RH |
4276 | dn = debug_get_type_name (minfo->dhandle, ft); |
4277 | if (dn != NULL && strcmp (dn, name) == 0) | |
4278 | { | |
4279 | context = ft; | |
4280 | break; | |
4281 | } | |
4282 | } | |
4283 | ||
4284 | free (name); | |
4285 | } | |
4286 | ||
4287 | if (context == DEBUG_TYPE_NULL) | |
4288 | { | |
4289 | /* We have to fall back on finding the type by name. | |
4290 | If there are more types to come, then this must | |
4291 | be a class. Otherwise, it could be anything. */ | |
4292 | ||
4293 | if (qualifiers == 0) | |
4294 | { | |
4295 | char *name; | |
4296 | ||
4297 | name = savestring (*pp, len); | |
4298 | context = debug_find_named_type (minfo->dhandle, | |
4299 | name); | |
4300 | free (name); | |
4301 | } | |
4302 | ||
4303 | if (context == DEBUG_TYPE_NULL) | |
4304 | { | |
4305 | context = stab_find_tagged_type (minfo->dhandle, | |
4306 | minfo->info, | |
4307 | *pp, len, | |
4308 | (qualifiers == 0 | |
4309 | ? DEBUG_KIND_ILLEGAL | |
4310 | : DEBUG_KIND_CLASS)); | |
4311 | if (context == DEBUG_TYPE_NULL) | |
b34976b6 | 4312 | return FALSE; |
252b5132 RH |
4313 | } |
4314 | } | |
4315 | } | |
4316 | ||
4317 | *pp += len; | |
4318 | } | |
4319 | } | |
4320 | ||
4321 | if (ptype != NULL) | |
4322 | *ptype = context; | |
4323 | ||
b34976b6 | 4324 | return TRUE; |
252b5132 RH |
4325 | } |
4326 | ||
4327 | /* Demangle a template. If PNAME is not NULL, this sets *PNAME to a | |
4328 | string representation of the template. */ | |
4329 | ||
b34976b6 | 4330 | static bfd_boolean |
2da42df6 AJ |
4331 | stab_demangle_template (struct stab_demangle_info *minfo, const char **pp, |
4332 | char **pname) | |
252b5132 RH |
4333 | { |
4334 | const char *orig; | |
4335 | unsigned int r, i; | |
4336 | ||
4337 | orig = *pp; | |
4338 | ||
4339 | ++*pp; | |
4340 | ||
4341 | /* Skip the template name. */ | |
4342 | r = stab_demangle_count (pp); | |
4343 | if (r == 0 || strlen (*pp) < r) | |
4344 | { | |
4345 | stab_bad_demangle (orig); | |
b34976b6 | 4346 | return FALSE; |
252b5132 RH |
4347 | } |
4348 | *pp += r; | |
4349 | ||
4350 | /* Get the size of the parameter list. */ | |
4351 | if (stab_demangle_get_count (pp, &r) == 0) | |
4352 | { | |
4353 | stab_bad_demangle (orig); | |
b34976b6 | 4354 | return FALSE; |
252b5132 RH |
4355 | } |
4356 | ||
4357 | for (i = 0; i < r; i++) | |
4358 | { | |
4359 | if (**pp == 'Z') | |
4360 | { | |
4361 | /* This is a type parameter. */ | |
4362 | ++*pp; | |
4363 | if (! stab_demangle_type (minfo, pp, (debug_type *) NULL)) | |
b34976b6 | 4364 | return FALSE; |
252b5132 RH |
4365 | } |
4366 | else | |
4367 | { | |
4368 | const char *old_p; | |
b34976b6 AM |
4369 | bfd_boolean pointerp, realp, integralp, charp, boolp; |
4370 | bfd_boolean done; | |
252b5132 RH |
4371 | |
4372 | old_p = *pp; | |
b34976b6 AM |
4373 | pointerp = FALSE; |
4374 | realp = FALSE; | |
4375 | integralp = FALSE; | |
4376 | charp = FALSE; | |
4377 | boolp = FALSE; | |
4378 | done = FALSE; | |
252b5132 RH |
4379 | |
4380 | /* This is a value parameter. */ | |
4381 | ||
4382 | if (! stab_demangle_type (minfo, pp, (debug_type *) NULL)) | |
b34976b6 | 4383 | return FALSE; |
252b5132 RH |
4384 | |
4385 | while (*old_p != '\0' && ! done) | |
4386 | { | |
4387 | switch (*old_p) | |
4388 | { | |
4389 | case 'P': | |
4390 | case 'p': | |
4391 | case 'R': | |
b34976b6 AM |
4392 | pointerp = TRUE; |
4393 | done = TRUE; | |
252b5132 RH |
4394 | break; |
4395 | case 'C': /* Const. */ | |
4396 | case 'S': /* Signed. */ | |
4397 | case 'U': /* Unsigned. */ | |
4398 | case 'V': /* Volatile. */ | |
4399 | case 'F': /* Function. */ | |
4400 | case 'M': /* Member function. */ | |
4401 | case 'O': /* ??? */ | |
4402 | ++old_p; | |
4403 | break; | |
4404 | case 'Q': /* Qualified name. */ | |
b34976b6 AM |
4405 | integralp = TRUE; |
4406 | done = TRUE; | |
252b5132 RH |
4407 | break; |
4408 | case 'T': /* Remembered type. */ | |
4409 | abort (); | |
4410 | case 'v': /* Void. */ | |
4411 | abort (); | |
4412 | case 'x': /* Long long. */ | |
4413 | case 'l': /* Long. */ | |
4414 | case 'i': /* Int. */ | |
4415 | case 's': /* Short. */ | |
4416 | case 'w': /* Wchar_t. */ | |
b34976b6 AM |
4417 | integralp = TRUE; |
4418 | done = TRUE; | |
252b5132 RH |
4419 | break; |
4420 | case 'b': /* Bool. */ | |
b34976b6 AM |
4421 | boolp = TRUE; |
4422 | done = TRUE; | |
252b5132 RH |
4423 | break; |
4424 | case 'c': /* Char. */ | |
b34976b6 AM |
4425 | charp = TRUE; |
4426 | done = TRUE; | |
252b5132 RH |
4427 | break; |
4428 | case 'r': /* Long double. */ | |
4429 | case 'd': /* Double. */ | |
4430 | case 'f': /* Float. */ | |
b34976b6 AM |
4431 | realp = TRUE; |
4432 | done = TRUE; | |
252b5132 RH |
4433 | break; |
4434 | default: | |
4435 | /* Assume it's a user defined integral type. */ | |
b34976b6 AM |
4436 | integralp = TRUE; |
4437 | done = TRUE; | |
252b5132 RH |
4438 | break; |
4439 | } | |
4440 | } | |
4441 | ||
4442 | if (integralp) | |
4443 | { | |
4444 | if (**pp == 'm') | |
4445 | ++*pp; | |
3882b010 | 4446 | while (ISDIGIT (**pp)) |
252b5132 RH |
4447 | ++*pp; |
4448 | } | |
4449 | else if (charp) | |
4450 | { | |
4451 | unsigned int val; | |
4452 | ||
4453 | if (**pp == 'm') | |
4454 | ++*pp; | |
4455 | val = stab_demangle_count (pp); | |
4456 | if (val == 0) | |
4457 | { | |
4458 | stab_bad_demangle (orig); | |
b34976b6 | 4459 | return FALSE; |
252b5132 RH |
4460 | } |
4461 | } | |
4462 | else if (boolp) | |
4463 | { | |
4464 | unsigned int val; | |
4465 | ||
4466 | val = stab_demangle_count (pp); | |
4467 | if (val != 0 && val != 1) | |
4468 | { | |
4469 | stab_bad_demangle (orig); | |
b34976b6 | 4470 | return FALSE; |
252b5132 RH |
4471 | } |
4472 | } | |
4473 | else if (realp) | |
4474 | { | |
4475 | if (**pp == 'm') | |
4476 | ++*pp; | |
3882b010 | 4477 | while (ISDIGIT (**pp)) |
252b5132 RH |
4478 | ++*pp; |
4479 | if (**pp == '.') | |
4480 | { | |
4481 | ++*pp; | |
3882b010 | 4482 | while (ISDIGIT (**pp)) |
252b5132 RH |
4483 | ++*pp; |
4484 | } | |
4485 | if (**pp == 'e') | |
4486 | { | |
4487 | ++*pp; | |
3882b010 | 4488 | while (ISDIGIT (**pp)) |
252b5132 RH |
4489 | ++*pp; |
4490 | } | |
4491 | } | |
4492 | else if (pointerp) | |
4493 | { | |
4494 | unsigned int len; | |
4495 | ||
2b25cacb ILT |
4496 | len = stab_demangle_count (pp); |
4497 | if (len == 0) | |
252b5132 RH |
4498 | { |
4499 | stab_bad_demangle (orig); | |
b34976b6 | 4500 | return FALSE; |
252b5132 RH |
4501 | } |
4502 | *pp += len; | |
4503 | } | |
4504 | } | |
4505 | } | |
4506 | ||
4507 | /* We can translate this to a string fairly easily by invoking the | |
4508 | regular demangling routine. */ | |
4509 | if (pname != NULL) | |
4510 | { | |
d81d6584 | 4511 | char *s1, *s2, *s3, *s4 = NULL; |
252b5132 RH |
4512 | char *from, *to; |
4513 | ||
4514 | s1 = savestring (orig, *pp - orig); | |
4515 | ||
4516 | s2 = concat ("NoSuchStrinG__", s1, (const char *) NULL); | |
4517 | ||
4518 | free (s1); | |
4519 | ||
4520 | s3 = cplus_demangle (s2, DMGL_ANSI); | |
4521 | ||
4522 | free (s2); | |
4523 | ||
4524 | if (s3 != NULL) | |
4525 | s4 = strstr (s3, "::NoSuchStrinG"); | |
4526 | if (s3 == NULL || s4 == NULL) | |
4527 | { | |
4528 | stab_bad_demangle (orig); | |
4529 | if (s3 != NULL) | |
4530 | free (s3); | |
b34976b6 | 4531 | return FALSE; |
252b5132 RH |
4532 | } |
4533 | ||
4534 | /* Eliminating all spaces, except those between > characters, | |
4535 | makes it more likely that the demangled name will match the | |
4536 | name which g++ used as the structure name. */ | |
4537 | for (from = to = s3; from != s4; ++from) | |
4538 | if (*from != ' ' | |
4539 | || (from[1] == '>' && from > s3 && from[-1] == '>')) | |
4540 | *to++ = *from; | |
4541 | ||
4542 | *pname = savestring (s3, to - s3); | |
4543 | ||
4544 | free (s3); | |
4545 | } | |
4546 | ||
b34976b6 | 4547 | return TRUE; |
252b5132 RH |
4548 | } |
4549 | ||
4550 | /* Demangle a class name. */ | |
4551 | ||
b34976b6 | 4552 | static bfd_boolean |
2da42df6 AJ |
4553 | stab_demangle_class (struct stab_demangle_info *minfo ATTRIBUTE_UNUSED, |
4554 | const char **pp, const char **pstart) | |
252b5132 RH |
4555 | { |
4556 | const char *orig; | |
4557 | unsigned int n; | |
4558 | ||
4559 | orig = *pp; | |
4560 | ||
4561 | n = stab_demangle_count (pp); | |
4562 | if (strlen (*pp) < n) | |
4563 | { | |
4564 | stab_bad_demangle (orig); | |
b34976b6 | 4565 | return FALSE; |
252b5132 RH |
4566 | } |
4567 | ||
4568 | if (pstart != NULL) | |
4569 | *pstart = *pp; | |
4570 | ||
4571 | *pp += n; | |
4572 | ||
b34976b6 | 4573 | return TRUE; |
252b5132 RH |
4574 | } |
4575 | ||
4576 | /* Demangle function arguments. If the pargs argument is not NULL, it | |
4577 | is set to a NULL terminated array holding the arguments. */ | |
4578 | ||
b34976b6 | 4579 | static bfd_boolean |
2da42df6 AJ |
4580 | stab_demangle_args (struct stab_demangle_info *minfo, const char **pp, |
4581 | debug_type **pargs, bfd_boolean *pvarargs) | |
252b5132 RH |
4582 | { |
4583 | const char *orig; | |
4584 | unsigned int alloc, count; | |
4585 | ||
4586 | orig = *pp; | |
4587 | ||
4588 | alloc = 10; | |
4589 | if (pargs != NULL) | |
4590 | { | |
4591 | *pargs = (debug_type *) xmalloc (alloc * sizeof **pargs); | |
b34976b6 | 4592 | *pvarargs = FALSE; |
252b5132 RH |
4593 | } |
4594 | count = 0; | |
4595 | ||
4596 | while (**pp != '_' && **pp != '\0' && **pp != 'e') | |
4597 | { | |
4598 | if (**pp == 'N' || **pp == 'T') | |
4599 | { | |
4600 | char temptype; | |
4601 | unsigned int r, t; | |
4602 | ||
4603 | temptype = **pp; | |
4604 | ++*pp; | |
4605 | ||
4606 | if (temptype == 'T') | |
4607 | r = 1; | |
4608 | else | |
4609 | { | |
4610 | if (! stab_demangle_get_count (pp, &r)) | |
4611 | { | |
4612 | stab_bad_demangle (orig); | |
b34976b6 | 4613 | return FALSE; |
252b5132 RH |
4614 | } |
4615 | } | |
4616 | ||
4617 | if (! stab_demangle_get_count (pp, &t)) | |
4618 | { | |
4619 | stab_bad_demangle (orig); | |
b34976b6 | 4620 | return FALSE; |
252b5132 RH |
4621 | } |
4622 | ||
4623 | if (t >= minfo->typestring_count) | |
4624 | { | |
4625 | stab_bad_demangle (orig); | |
b34976b6 | 4626 | return FALSE; |
252b5132 RH |
4627 | } |
4628 | while (r-- > 0) | |
4629 | { | |
4630 | const char *tem; | |
4631 | ||
4632 | tem = minfo->typestrings[t].typestring; | |
4633 | if (! stab_demangle_arg (minfo, &tem, pargs, &count, &alloc)) | |
b34976b6 | 4634 | return FALSE; |
252b5132 RH |
4635 | } |
4636 | } | |
4637 | else | |
4638 | { | |
4639 | if (! stab_demangle_arg (minfo, pp, pargs, &count, &alloc)) | |
b34976b6 | 4640 | return FALSE; |
252b5132 RH |
4641 | } |
4642 | } | |
4643 | ||
4644 | if (pargs != NULL) | |
4645 | (*pargs)[count] = DEBUG_TYPE_NULL; | |
4646 | ||
4647 | if (**pp == 'e') | |
4648 | { | |
4649 | if (pargs != NULL) | |
b34976b6 | 4650 | *pvarargs = TRUE; |
252b5132 RH |
4651 | ++*pp; |
4652 | } | |
4653 | ||
b34976b6 | 4654 | return TRUE; |
252b5132 RH |
4655 | } |
4656 | ||
4657 | /* Demangle a single argument. */ | |
4658 | ||
b34976b6 | 4659 | static bfd_boolean |
2da42df6 AJ |
4660 | stab_demangle_arg (struct stab_demangle_info *minfo, const char **pp, |
4661 | debug_type **pargs, unsigned int *pcount, | |
4662 | unsigned int *palloc) | |
252b5132 RH |
4663 | { |
4664 | const char *start; | |
4665 | debug_type type; | |
4666 | ||
4667 | start = *pp; | |
4668 | if (! stab_demangle_type (minfo, pp, | |
4669 | pargs == NULL ? (debug_type *) NULL : &type) | |
4670 | || ! stab_demangle_remember_type (minfo, start, *pp - start)) | |
b34976b6 | 4671 | return FALSE; |
252b5132 RH |
4672 | |
4673 | if (pargs != NULL) | |
4674 | { | |
4675 | if (type == DEBUG_TYPE_NULL) | |
b34976b6 | 4676 | return FALSE; |
252b5132 RH |
4677 | |
4678 | if (*pcount + 1 >= *palloc) | |
4679 | { | |
4680 | *palloc += 10; | |
4681 | *pargs = ((debug_type *) | |
4682 | xrealloc (*pargs, *palloc * sizeof **pargs)); | |
4683 | } | |
4684 | (*pargs)[*pcount] = type; | |
4685 | ++*pcount; | |
4686 | } | |
4687 | ||
b34976b6 | 4688 | return TRUE; |
252b5132 RH |
4689 | } |
4690 | ||
4691 | /* Demangle a type. If the ptype argument is not NULL, *ptype is set | |
4692 | to the newly allocated type. */ | |
4693 | ||
b34976b6 | 4694 | static bfd_boolean |
2da42df6 AJ |
4695 | stab_demangle_type (struct stab_demangle_info *minfo, const char **pp, |
4696 | debug_type *ptype) | |
252b5132 RH |
4697 | { |
4698 | const char *orig; | |
4699 | ||
4700 | orig = *pp; | |
4701 | ||
4702 | switch (**pp) | |
4703 | { | |
4704 | case 'P': | |
4705 | case 'p': | |
4706 | /* A pointer type. */ | |
4707 | ++*pp; | |
4708 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4709 | return FALSE; |
252b5132 RH |
4710 | if (ptype != NULL) |
4711 | *ptype = debug_make_pointer_type (minfo->dhandle, *ptype); | |
4712 | break; | |
4713 | ||
4714 | case 'R': | |
4715 | /* A reference type. */ | |
4716 | ++*pp; | |
4717 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4718 | return FALSE; |
252b5132 RH |
4719 | if (ptype != NULL) |
4720 | *ptype = debug_make_reference_type (minfo->dhandle, *ptype); | |
4721 | break; | |
4722 | ||
4723 | case 'A': | |
4724 | /* An array. */ | |
4725 | { | |
4726 | unsigned long high; | |
4727 | ||
4728 | ++*pp; | |
4729 | high = 0; | |
4730 | while (**pp != '\0' && **pp != '_') | |
4731 | { | |
3882b010 | 4732 | if (! ISDIGIT (**pp)) |
252b5132 RH |
4733 | { |
4734 | stab_bad_demangle (orig); | |
b34976b6 | 4735 | return FALSE; |
252b5132 RH |
4736 | } |
4737 | high *= 10; | |
4738 | high += **pp - '0'; | |
4739 | ++*pp; | |
4740 | } | |
4741 | if (**pp != '_') | |
4742 | { | |
4743 | stab_bad_demangle (orig); | |
b34976b6 | 4744 | return FALSE; |
252b5132 RH |
4745 | } |
4746 | ++*pp; | |
4747 | ||
4748 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4749 | return FALSE; |
252b5132 RH |
4750 | if (ptype != NULL) |
4751 | { | |
4752 | debug_type int_type; | |
4753 | ||
4754 | int_type = debug_find_named_type (minfo->dhandle, "int"); | |
4755 | if (int_type == NULL) | |
b34976b6 | 4756 | int_type = debug_make_int_type (minfo->dhandle, 4, FALSE); |
252b5132 | 4757 | *ptype = debug_make_array_type (minfo->dhandle, *ptype, int_type, |
b34976b6 | 4758 | 0, high, FALSE); |
252b5132 RH |
4759 | } |
4760 | } | |
4761 | break; | |
4762 | ||
4763 | case 'T': | |
4764 | /* A back reference to a remembered type. */ | |
4765 | { | |
4766 | unsigned int i; | |
4767 | const char *p; | |
4768 | ||
4769 | ++*pp; | |
4770 | if (! stab_demangle_get_count (pp, &i)) | |
4771 | { | |
4772 | stab_bad_demangle (orig); | |
b34976b6 | 4773 | return FALSE; |
252b5132 RH |
4774 | } |
4775 | if (i >= minfo->typestring_count) | |
4776 | { | |
4777 | stab_bad_demangle (orig); | |
b34976b6 | 4778 | return FALSE; |
252b5132 RH |
4779 | } |
4780 | p = minfo->typestrings[i].typestring; | |
4781 | if (! stab_demangle_type (minfo, &p, ptype)) | |
b34976b6 | 4782 | return FALSE; |
252b5132 RH |
4783 | } |
4784 | break; | |
4785 | ||
4786 | case 'F': | |
4787 | /* A function. */ | |
4788 | { | |
4789 | debug_type *args; | |
b34976b6 | 4790 | bfd_boolean varargs; |
252b5132 RH |
4791 | |
4792 | ++*pp; | |
4793 | if (! stab_demangle_args (minfo, pp, | |
4794 | (ptype == NULL | |
4795 | ? (debug_type **) NULL | |
4796 | : &args), | |
4797 | (ptype == NULL | |
b34976b6 | 4798 | ? (bfd_boolean *) NULL |
252b5132 | 4799 | : &varargs))) |
b34976b6 | 4800 | return FALSE; |
252b5132 RH |
4801 | if (**pp != '_') |
4802 | { | |
4803 | /* cplus_demangle will accept a function without a return | |
4804 | type, but I don't know when that will happen, or what | |
4805 | to do if it does. */ | |
4806 | stab_bad_demangle (orig); | |
b34976b6 | 4807 | return FALSE; |
252b5132 RH |
4808 | } |
4809 | ++*pp; | |
4810 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4811 | return FALSE; |
252b5132 RH |
4812 | if (ptype != NULL) |
4813 | *ptype = debug_make_function_type (minfo->dhandle, *ptype, args, | |
4814 | varargs); | |
4815 | ||
4816 | } | |
4817 | break; | |
4818 | ||
4819 | case 'M': | |
4820 | case 'O': | |
4821 | { | |
3d540e93 | 4822 | bfd_boolean memberp; |
c602a165 | 4823 | debug_type class_type = DEBUG_TYPE_NULL; |
252b5132 | 4824 | debug_type *args; |
b34976b6 | 4825 | bfd_boolean varargs; |
252b5132 RH |
4826 | unsigned int n; |
4827 | const char *name; | |
4828 | ||
4829 | memberp = **pp == 'M'; | |
252b5132 | 4830 | args = NULL; |
b34976b6 | 4831 | varargs = FALSE; |
252b5132 RH |
4832 | |
4833 | ++*pp; | |
3882b010 | 4834 | if (ISDIGIT (**pp)) |
252b5132 | 4835 | { |
c602a165 ILT |
4836 | n = stab_demangle_count (pp); |
4837 | if (strlen (*pp) < n) | |
4838 | { | |
4839 | stab_bad_demangle (orig); | |
b34976b6 | 4840 | return FALSE; |
c602a165 ILT |
4841 | } |
4842 | name = *pp; | |
4843 | *pp += n; | |
4844 | ||
4845 | if (ptype != NULL) | |
4846 | { | |
4847 | class_type = stab_find_tagged_type (minfo->dhandle, | |
4848 | minfo->info, | |
4849 | name, (int) n, | |
4850 | DEBUG_KIND_CLASS); | |
4851 | if (class_type == DEBUG_TYPE_NULL) | |
b34976b6 | 4852 | return FALSE; |
c602a165 | 4853 | } |
252b5132 | 4854 | } |
c602a165 ILT |
4855 | else if (**pp == 'Q') |
4856 | { | |
4857 | if (! stab_demangle_qualified (minfo, pp, | |
4858 | (ptype == NULL | |
4859 | ? (debug_type *) NULL | |
4860 | : &class_type))) | |
b34976b6 | 4861 | return FALSE; |
c602a165 ILT |
4862 | } |
4863 | else | |
252b5132 RH |
4864 | { |
4865 | stab_bad_demangle (orig); | |
b34976b6 | 4866 | return FALSE; |
252b5132 | 4867 | } |
252b5132 RH |
4868 | |
4869 | if (memberp) | |
4870 | { | |
4871 | if (**pp == 'C') | |
4872 | { | |
252b5132 RH |
4873 | ++*pp; |
4874 | } | |
4875 | else if (**pp == 'V') | |
4876 | { | |
252b5132 RH |
4877 | ++*pp; |
4878 | } | |
4879 | if (**pp != 'F') | |
4880 | { | |
4881 | stab_bad_demangle (orig); | |
b34976b6 | 4882 | return FALSE; |
252b5132 RH |
4883 | } |
4884 | ++*pp; | |
4885 | if (! stab_demangle_args (minfo, pp, | |
4886 | (ptype == NULL | |
4887 | ? (debug_type **) NULL | |
4888 | : &args), | |
4889 | (ptype == NULL | |
b34976b6 | 4890 | ? (bfd_boolean *) NULL |
252b5132 | 4891 | : &varargs))) |
b34976b6 | 4892 | return FALSE; |
252b5132 RH |
4893 | } |
4894 | ||
4895 | if (**pp != '_') | |
4896 | { | |
4897 | stab_bad_demangle (orig); | |
b34976b6 | 4898 | return FALSE; |
252b5132 RH |
4899 | } |
4900 | ++*pp; | |
4901 | ||
4902 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4903 | return FALSE; |
252b5132 RH |
4904 | |
4905 | if (ptype != NULL) | |
4906 | { | |
252b5132 RH |
4907 | if (! memberp) |
4908 | *ptype = debug_make_offset_type (minfo->dhandle, class_type, | |
4909 | *ptype); | |
4910 | else | |
4911 | { | |
4912 | /* FIXME: We have no way to record constp or | |
4913 | volatilep. */ | |
4914 | *ptype = debug_make_method_type (minfo->dhandle, *ptype, | |
4915 | class_type, args, varargs); | |
4916 | } | |
4917 | } | |
4918 | } | |
4919 | break; | |
4920 | ||
4921 | case 'G': | |
4922 | ++*pp; | |
4923 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4924 | return FALSE; |
252b5132 RH |
4925 | break; |
4926 | ||
4927 | case 'C': | |
4928 | ++*pp; | |
4929 | if (! stab_demangle_type (minfo, pp, ptype)) | |
b34976b6 | 4930 | return FALSE; |
252b5132 RH |
4931 | if (ptype != NULL) |
4932 | *ptype = debug_make_const_type (minfo->dhandle, *ptype); | |
4933 | break; | |
4934 | ||
4935 | case 'Q': | |
4936 | { | |
252b5132 | 4937 | if (! stab_demangle_qualified (minfo, pp, ptype)) |
b34976b6 | 4938 | return FALSE; |
252b5132 RH |
4939 | } |
4940 | break; | |
4941 | ||
4942 | default: | |
4943 | if (! stab_demangle_fund_type (minfo, pp, ptype)) | |
b34976b6 | 4944 | return FALSE; |
252b5132 RH |
4945 | break; |
4946 | } | |
4947 | ||
b34976b6 | 4948 | return TRUE; |
252b5132 RH |
4949 | } |
4950 | ||
4951 | /* Demangle a fundamental type. If the ptype argument is not NULL, | |
4952 | *ptype is set to the newly allocated type. */ | |
4953 | ||
b34976b6 | 4954 | static bfd_boolean |
2da42df6 AJ |
4955 | stab_demangle_fund_type (struct stab_demangle_info *minfo, const char **pp, |
4956 | debug_type *ptype) | |
252b5132 RH |
4957 | { |
4958 | const char *orig; | |
b34976b6 AM |
4959 | bfd_boolean constp, volatilep, unsignedp, signedp; |
4960 | bfd_boolean done; | |
252b5132 RH |
4961 | |
4962 | orig = *pp; | |
4963 | ||
b34976b6 AM |
4964 | constp = FALSE; |
4965 | volatilep = FALSE; | |
4966 | unsignedp = FALSE; | |
4967 | signedp = FALSE; | |
252b5132 | 4968 | |
b34976b6 | 4969 | done = FALSE; |
252b5132 RH |
4970 | while (! done) |
4971 | { | |
4972 | switch (**pp) | |
4973 | { | |
4974 | case 'C': | |
b34976b6 | 4975 | constp = TRUE; |
252b5132 RH |
4976 | ++*pp; |
4977 | break; | |
4978 | ||
4979 | case 'U': | |
b34976b6 | 4980 | unsignedp = TRUE; |
252b5132 RH |
4981 | ++*pp; |
4982 | break; | |
4983 | ||
4984 | case 'S': | |
b34976b6 | 4985 | signedp = TRUE; |
252b5132 RH |
4986 | ++*pp; |
4987 | break; | |
4988 | ||
4989 | case 'V': | |
b34976b6 | 4990 | volatilep = TRUE; |
252b5132 RH |
4991 | ++*pp; |
4992 | break; | |
4993 | ||
4994 | default: | |
b34976b6 | 4995 | done = TRUE; |
252b5132 RH |
4996 | break; |
4997 | } | |
4998 | } | |
4999 | ||
5000 | switch (**pp) | |
5001 | { | |
5002 | case '\0': | |
5003 | case '_': | |
5004 | /* cplus_demangle permits this, but I don't know what it means. */ | |
5005 | stab_bad_demangle (orig); | |
5006 | break; | |
5007 | ||
5008 | case 'v': /* void */ | |
5009 | if (ptype != NULL) | |
5010 | { | |
5011 | *ptype = debug_find_named_type (minfo->dhandle, "void"); | |
5012 | if (*ptype == DEBUG_TYPE_NULL) | |
5013 | *ptype = debug_make_void_type (minfo->dhandle); | |
5014 | } | |
5015 | ++*pp; | |
5016 | break; | |
5017 | ||
5018 | case 'x': /* long long */ | |
5019 | if (ptype != NULL) | |
5020 | { | |
5021 | *ptype = debug_find_named_type (minfo->dhandle, | |
5022 | (unsignedp | |
5023 | ? "long long unsigned int" | |
5024 | : "long long int")); | |
5025 | if (*ptype == DEBUG_TYPE_NULL) | |
5026 | *ptype = debug_make_int_type (minfo->dhandle, 8, unsignedp); | |
5027 | } | |
5028 | ++*pp; | |
5029 | break; | |
5030 | ||
5031 | case 'l': /* long */ | |
5032 | if (ptype != NULL) | |
5033 | { | |
5034 | *ptype = debug_find_named_type (minfo->dhandle, | |
5035 | (unsignedp | |
5036 | ? "long unsigned int" | |
5037 | : "long int")); | |
5038 | if (*ptype == DEBUG_TYPE_NULL) | |
5039 | *ptype = debug_make_int_type (minfo->dhandle, 4, unsignedp); | |
5040 | } | |
5041 | ++*pp; | |
5042 | break; | |
5043 | ||
5044 | case 'i': /* int */ | |
5045 | if (ptype != NULL) | |
5046 | { | |
5047 | *ptype = debug_find_named_type (minfo->dhandle, | |
5048 | (unsignedp | |
5049 | ? "unsigned int" | |
5050 | : "int")); | |
5051 | if (*ptype == DEBUG_TYPE_NULL) | |
5052 | *ptype = debug_make_int_type (minfo->dhandle, 4, unsignedp); | |
5053 | } | |
5054 | ++*pp; | |
5055 | break; | |
5056 | ||
5057 | case 's': /* short */ | |
5058 | if (ptype != NULL) | |
5059 | { | |
5060 | *ptype = debug_find_named_type (minfo->dhandle, | |
5061 | (unsignedp | |
5062 | ? "short unsigned int" | |
5063 | : "short int")); | |
5064 | if (*ptype == DEBUG_TYPE_NULL) | |
5065 | *ptype = debug_make_int_type (minfo->dhandle, 2, unsignedp); | |
5066 | } | |
5067 | ++*pp; | |
5068 | break; | |
5069 | ||
5070 | case 'b': /* bool */ | |
5071 | if (ptype != NULL) | |
5072 | { | |
5073 | *ptype = debug_find_named_type (minfo->dhandle, "bool"); | |
5074 | if (*ptype == DEBUG_TYPE_NULL) | |
5075 | *ptype = debug_make_bool_type (minfo->dhandle, 4); | |
5076 | } | |
5077 | ++*pp; | |
5078 | break; | |
5079 | ||
5080 | case 'c': /* char */ | |
5081 | if (ptype != NULL) | |
5082 | { | |
5083 | *ptype = debug_find_named_type (minfo->dhandle, | |
5084 | (unsignedp | |
5085 | ? "unsigned char" | |
5086 | : (signedp | |
5087 | ? "signed char" | |
5088 | : "char"))); | |
5089 | if (*ptype == DEBUG_TYPE_NULL) | |
5090 | *ptype = debug_make_int_type (minfo->dhandle, 1, unsignedp); | |
5091 | } | |
5092 | ++*pp; | |
5093 | break; | |
5094 | ||
5095 | case 'w': /* wchar_t */ | |
5096 | if (ptype != NULL) | |
5097 | { | |
5098 | *ptype = debug_find_named_type (minfo->dhandle, "__wchar_t"); | |
5099 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 5100 | *ptype = debug_make_int_type (minfo->dhandle, 2, TRUE); |
252b5132 RH |
5101 | } |
5102 | ++*pp; | |
5103 | break; | |
5104 | ||
5105 | case 'r': /* long double */ | |
5106 | if (ptype != NULL) | |
5107 | { | |
5108 | *ptype = debug_find_named_type (minfo->dhandle, "long double"); | |
5109 | if (*ptype == DEBUG_TYPE_NULL) | |
5110 | *ptype = debug_make_float_type (minfo->dhandle, 8); | |
5111 | } | |
5112 | ++*pp; | |
5113 | break; | |
5114 | ||
5115 | case 'd': /* double */ | |
5116 | if (ptype != NULL) | |
5117 | { | |
5118 | *ptype = debug_find_named_type (minfo->dhandle, "double"); | |
5119 | if (*ptype == DEBUG_TYPE_NULL) | |
5120 | *ptype = debug_make_float_type (minfo->dhandle, 8); | |
5121 | } | |
5122 | ++*pp; | |
5123 | break; | |
5124 | ||
5125 | case 'f': /* float */ | |
5126 | if (ptype != NULL) | |
5127 | { | |
5128 | *ptype = debug_find_named_type (minfo->dhandle, "float"); | |
5129 | if (*ptype == DEBUG_TYPE_NULL) | |
5130 | *ptype = debug_make_float_type (minfo->dhandle, 4); | |
5131 | } | |
5132 | ++*pp; | |
5133 | break; | |
5134 | ||
5135 | case 'G': | |
5136 | ++*pp; | |
3882b010 | 5137 | if (! ISDIGIT (**pp)) |
252b5132 RH |
5138 | { |
5139 | stab_bad_demangle (orig); | |
b34976b6 | 5140 | return FALSE; |
252b5132 RH |
5141 | } |
5142 | /* Fall through. */ | |
5143 | case '0': case '1': case '2': case '3': case '4': | |
5144 | case '5': case '6': case '7': case '8': case '9': | |
5145 | { | |
5146 | const char *hold; | |
5147 | ||
5148 | if (! stab_demangle_class (minfo, pp, &hold)) | |
b34976b6 | 5149 | return FALSE; |
252b5132 RH |
5150 | if (ptype != NULL) |
5151 | { | |
5152 | char *name; | |
5153 | ||
5154 | name = savestring (hold, *pp - hold); | |
5155 | *ptype = debug_find_named_type (minfo->dhandle, name); | |
5156 | free (name); | |
5157 | if (*ptype == DEBUG_TYPE_NULL) | |
5158 | { | |
5159 | /* FIXME: It is probably incorrect to assume that | |
5160 | undefined types are tagged types. */ | |
5161 | *ptype = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
5162 | hold, *pp - hold, | |
5163 | DEBUG_KIND_ILLEGAL); | |
5164 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 5165 | return FALSE; |
252b5132 RH |
5166 | } |
5167 | } | |
5168 | } | |
5169 | break; | |
5170 | ||
5171 | case 't': | |
5172 | { | |
5173 | char *name; | |
5174 | ||
5175 | if (! stab_demangle_template (minfo, pp, | |
5176 | ptype != NULL ? &name : NULL)) | |
b34976b6 | 5177 | return FALSE; |
252b5132 RH |
5178 | if (ptype != NULL) |
5179 | { | |
5180 | *ptype = stab_find_tagged_type (minfo->dhandle, minfo->info, | |
5181 | name, strlen (name), | |
5182 | DEBUG_KIND_CLASS); | |
5183 | free (name); | |
5184 | if (*ptype == DEBUG_TYPE_NULL) | |
b34976b6 | 5185 | return FALSE; |
252b5132 RH |
5186 | } |
5187 | } | |
5188 | break; | |
5189 | ||
5190 | default: | |
5191 | stab_bad_demangle (orig); | |
b34976b6 | 5192 | return FALSE; |
252b5132 RH |
5193 | } |
5194 | ||
5195 | if (ptype != NULL) | |
5196 | { | |
5197 | if (constp) | |
5198 | *ptype = debug_make_const_type (minfo->dhandle, *ptype); | |
5199 | if (volatilep) | |
5200 | *ptype = debug_make_volatile_type (minfo->dhandle, *ptype); | |
5201 | } | |
5202 | ||
b34976b6 | 5203 | return TRUE; |
252b5132 RH |
5204 | } |
5205 | ||
5206 | /* Remember a type string in a demangled string. */ | |
5207 | ||
b34976b6 | 5208 | static bfd_boolean |
2da42df6 AJ |
5209 | stab_demangle_remember_type (struct stab_demangle_info *minfo, |
5210 | const char *p, int len) | |
252b5132 RH |
5211 | { |
5212 | if (minfo->typestring_count >= minfo->typestring_alloc) | |
5213 | { | |
5214 | minfo->typestring_alloc += 10; | |
5215 | minfo->typestrings = ((struct stab_demangle_typestring *) | |
5216 | xrealloc (minfo->typestrings, | |
5217 | (minfo->typestring_alloc | |
5218 | * sizeof *minfo->typestrings))); | |
5219 | } | |
5220 | ||
5221 | minfo->typestrings[minfo->typestring_count].typestring = p; | |
5222 | minfo->typestrings[minfo->typestring_count].len = (unsigned int) len; | |
5223 | ++minfo->typestring_count; | |
5224 | ||
b34976b6 | 5225 | return TRUE; |
252b5132 | 5226 | } |
041821e6 ILT |
5227 | \f |
5228 | /* Demangle names encoded using the g++ V3 ABI. The newer versions of | |
5229 | g++ which use this ABI do not encode ordinary method argument types | |
5230 | in a mangled name; they simply output the argument types. However, | |
5231 | for a static method, g++ simply outputs the return type and the | |
5232 | physical name. So in that case we need to demangle the name here. | |
5233 | Here PHYSNAME is the physical name of the function, and we set the | |
5234 | variable pointed at by PVARARGS to indicate whether this function | |
5235 | is varargs. This returns NULL, or a NULL terminated array of | |
5236 | argument types. */ | |
5237 | ||
5238 | static debug_type * | |
5239 | stab_demangle_v3_argtypes (void *dhandle, struct stab_handle *info, | |
5240 | const char *physname, bfd_boolean *pvarargs) | |
5241 | { | |
5242 | struct demangle_component *dc; | |
5243 | void *mem; | |
041821e6 ILT |
5244 | debug_type *pargs; |
5245 | ||
5246 | dc = cplus_demangle_v3_components (physname, DMGL_PARAMS | DMGL_ANSI, &mem); | |
5247 | if (dc == NULL) | |
5248 | { | |
5249 | stab_bad_demangle (physname); | |
5250 | return NULL; | |
5251 | } | |
5252 | ||
5253 | /* We expect to see TYPED_NAME, and the right subtree describes the | |
5254 | function type. */ | |
5255 | if (dc->type != DEMANGLE_COMPONENT_TYPED_NAME | |
5256 | || dc->u.s_binary.right->type != DEMANGLE_COMPONENT_FUNCTION_TYPE) | |
5257 | { | |
5258 | fprintf (stderr, _("Demangled name is not a function\n")); | |
5259 | free (mem); | |
5260 | return NULL; | |
5261 | } | |
5262 | ||
2b4c4cc4 ILT |
5263 | pargs = stab_demangle_v3_arglist (dhandle, info, |
5264 | dc->u.s_binary.right->u.s_binary.right, | |
5265 | pvarargs); | |
5266 | ||
5267 | free (mem); | |
5268 | ||
5269 | return pargs; | |
5270 | } | |
5271 | ||
5272 | /* Demangle an argument list in a struct demangle_component tree. | |
5273 | Returns a DEBUG_TYPE_NULL terminated array of argument types, and | |
5274 | sets *PVARARGS to indicate whether this is a varargs function. */ | |
5275 | ||
5276 | static debug_type * | |
5277 | stab_demangle_v3_arglist (void *dhandle, struct stab_handle *info, | |
5278 | struct demangle_component *arglist, | |
5279 | bfd_boolean *pvarargs) | |
5280 | { | |
5281 | struct demangle_component *dc; | |
5282 | unsigned int alloc, count; | |
5283 | debug_type *pargs; | |
5284 | ||
041821e6 ILT |
5285 | alloc = 10; |
5286 | pargs = (debug_type *) xmalloc (alloc * sizeof *pargs); | |
5287 | *pvarargs = FALSE; | |
5288 | ||
5289 | count = 0; | |
5290 | ||
2b4c4cc4 | 5291 | for (dc = arglist; |
041821e6 ILT |
5292 | dc != NULL; |
5293 | dc = dc->u.s_binary.right) | |
5294 | { | |
5295 | debug_type arg; | |
5296 | bfd_boolean varargs; | |
5297 | ||
5298 | if (dc->type != DEMANGLE_COMPONENT_ARGLIST) | |
5299 | { | |
2b4c4cc4 ILT |
5300 | fprintf (stderr, _("Unexpected type in v3 arglist demangling\n")); |
5301 | free (pargs); | |
041821e6 ILT |
5302 | return NULL; |
5303 | } | |
5304 | ||
b149968f NC |
5305 | /* PR 13925: Cope if the demangler returns an empty |
5306 | context for a function with no arguments. */ | |
5307 | if (dc->u.s_binary.left == NULL) | |
5308 | break; | |
3aade688 | 5309 | |
041821e6 ILT |
5310 | arg = stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.left, |
5311 | NULL, &varargs); | |
5312 | if (arg == NULL) | |
5313 | { | |
5314 | if (varargs) | |
5315 | { | |
5316 | *pvarargs = TRUE; | |
5317 | continue; | |
5318 | } | |
2b4c4cc4 | 5319 | free (pargs); |
041821e6 ILT |
5320 | return NULL; |
5321 | } | |
5322 | ||
5323 | if (count + 1 >= alloc) | |
5324 | { | |
5325 | alloc += 10; | |
5326 | pargs = (debug_type *) xrealloc (pargs, alloc * sizeof *pargs); | |
5327 | } | |
5328 | ||
5329 | pargs[count] = arg; | |
5330 | ++count; | |
5331 | } | |
5332 | ||
5333 | pargs[count] = DEBUG_TYPE_NULL; | |
5334 | ||
041821e6 ILT |
5335 | return pargs; |
5336 | } | |
5337 | ||
5338 | /* Convert a struct demangle_component tree describing an argument | |
5339 | type into a debug_type. */ | |
5340 | ||
5341 | static debug_type | |
5342 | stab_demangle_v3_arg (void *dhandle, struct stab_handle *info, | |
5343 | struct demangle_component *dc, debug_type context, | |
5344 | bfd_boolean *pvarargs) | |
5345 | { | |
5346 | debug_type dt; | |
5347 | ||
5348 | if (pvarargs != NULL) | |
5349 | *pvarargs = FALSE; | |
5350 | ||
5351 | switch (dc->type) | |
5352 | { | |
5353 | /* FIXME: These are demangle component types which we probably | |
5354 | need to handle one way or another. */ | |
5355 | case DEMANGLE_COMPONENT_LOCAL_NAME: | |
5356 | case DEMANGLE_COMPONENT_TYPED_NAME: | |
5357 | case DEMANGLE_COMPONENT_TEMPLATE_PARAM: | |
5358 | case DEMANGLE_COMPONENT_CTOR: | |
5359 | case DEMANGLE_COMPONENT_DTOR: | |
5360 | case DEMANGLE_COMPONENT_JAVA_CLASS: | |
5361 | case DEMANGLE_COMPONENT_RESTRICT_THIS: | |
5362 | case DEMANGLE_COMPONENT_VOLATILE_THIS: | |
5363 | case DEMANGLE_COMPONENT_CONST_THIS: | |
5364 | case DEMANGLE_COMPONENT_VENDOR_TYPE_QUAL: | |
5365 | case DEMANGLE_COMPONENT_COMPLEX: | |
5366 | case DEMANGLE_COMPONENT_IMAGINARY: | |
5367 | case DEMANGLE_COMPONENT_VENDOR_TYPE: | |
041821e6 ILT |
5368 | case DEMANGLE_COMPONENT_ARRAY_TYPE: |
5369 | case DEMANGLE_COMPONENT_PTRMEM_TYPE: | |
5370 | case DEMANGLE_COMPONENT_ARGLIST: | |
5371 | default: | |
2b4c4cc4 ILT |
5372 | fprintf (stderr, _("Unrecognized demangle component %d\n"), |
5373 | (int) dc->type); | |
041821e6 ILT |
5374 | return NULL; |
5375 | ||
5376 | case DEMANGLE_COMPONENT_NAME: | |
5377 | if (context != NULL) | |
5378 | { | |
5379 | const debug_field *fields; | |
5380 | ||
5381 | fields = debug_get_fields (dhandle, context); | |
5382 | if (fields != NULL) | |
5383 | { | |
5384 | /* Try to find this type by looking through the context | |
5385 | class. */ | |
5386 | for (; *fields != DEBUG_FIELD_NULL; fields++) | |
5387 | { | |
5388 | debug_type ft; | |
5389 | const char *dn; | |
5390 | ||
5391 | ft = debug_get_field_type (dhandle, *fields); | |
5392 | if (ft == NULL) | |
5393 | return NULL; | |
5394 | dn = debug_get_type_name (dhandle, ft); | |
5395 | if (dn != NULL | |
5396 | && (int) strlen (dn) == dc->u.s_name.len | |
5397 | && strncmp (dn, dc->u.s_name.s, dc->u.s_name.len) == 0) | |
5398 | return ft; | |
5399 | } | |
5400 | } | |
5401 | } | |
5402 | return stab_find_tagged_type (dhandle, info, dc->u.s_name.s, | |
5403 | dc->u.s_name.len, DEBUG_KIND_ILLEGAL); | |
5404 | ||
5405 | case DEMANGLE_COMPONENT_QUAL_NAME: | |
5406 | context = stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.left, | |
5407 | context, NULL); | |
5408 | if (context == NULL) | |
5409 | return NULL; | |
5410 | return stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.right, | |
5411 | context, NULL); | |
5412 | ||
5413 | case DEMANGLE_COMPONENT_TEMPLATE: | |
5414 | { | |
5415 | char *p; | |
5416 | size_t alc; | |
5417 | ||
5418 | /* We print this component to get a class name which we can | |
5419 | use. FIXME: This probably won't work if the template uses | |
5420 | template parameters which refer to an outer template. */ | |
5421 | p = cplus_demangle_print (DMGL_PARAMS | DMGL_ANSI, dc, 20, &alc); | |
5422 | if (p == NULL) | |
5423 | { | |
5424 | fprintf (stderr, _("Failed to print demangled template\n")); | |
5425 | return NULL; | |
5426 | } | |
5427 | dt = stab_find_tagged_type (dhandle, info, p, strlen (p), | |
5428 | DEBUG_KIND_CLASS); | |
5429 | free (p); | |
5430 | return dt; | |
5431 | } | |
5432 | ||
5433 | case DEMANGLE_COMPONENT_SUB_STD: | |
5434 | return stab_find_tagged_type (dhandle, info, dc->u.s_string.string, | |
5435 | dc->u.s_string.len, DEBUG_KIND_ILLEGAL); | |
5436 | ||
5437 | case DEMANGLE_COMPONENT_RESTRICT: | |
5438 | case DEMANGLE_COMPONENT_VOLATILE: | |
5439 | case DEMANGLE_COMPONENT_CONST: | |
5440 | case DEMANGLE_COMPONENT_POINTER: | |
5441 | case DEMANGLE_COMPONENT_REFERENCE: | |
5442 | dt = stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.left, NULL, | |
5443 | NULL); | |
5444 | if (dt == NULL) | |
5445 | return NULL; | |
5446 | ||
5447 | switch (dc->type) | |
5448 | { | |
5449 | default: | |
5450 | abort (); | |
5451 | case DEMANGLE_COMPONENT_RESTRICT: | |
5452 | /* FIXME: We have no way to represent restrict. */ | |
5453 | return dt; | |
5454 | case DEMANGLE_COMPONENT_VOLATILE: | |
5455 | return debug_make_volatile_type (dhandle, dt); | |
5456 | case DEMANGLE_COMPONENT_CONST: | |
5457 | return debug_make_const_type (dhandle, dt); | |
5458 | case DEMANGLE_COMPONENT_POINTER: | |
5459 | return debug_make_pointer_type (dhandle, dt); | |
5460 | case DEMANGLE_COMPONENT_REFERENCE: | |
5461 | return debug_make_reference_type (dhandle, dt); | |
5462 | } | |
5463 | ||
2b4c4cc4 ILT |
5464 | case DEMANGLE_COMPONENT_FUNCTION_TYPE: |
5465 | { | |
5466 | debug_type *pargs; | |
5467 | bfd_boolean varargs; | |
5468 | ||
5469 | if (dc->u.s_binary.left == NULL) | |
5470 | { | |
5471 | /* In this case the return type is actually unknown. | |
5472 | However, I'm not sure this will ever arise in practice; | |
5473 | normally an unknown return type would only appear at | |
5474 | the top level, which is handled above. */ | |
5475 | dt = debug_make_void_type (dhandle); | |
5476 | } | |
5477 | else | |
5478 | dt = stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.left, NULL, | |
5479 | NULL); | |
5480 | if (dt == NULL) | |
5481 | return NULL; | |
5482 | ||
5483 | pargs = stab_demangle_v3_arglist (dhandle, info, | |
5484 | dc->u.s_binary.right, | |
5485 | &varargs); | |
5486 | if (pargs == NULL) | |
5487 | return NULL; | |
5488 | ||
5489 | return debug_make_function_type (dhandle, dt, pargs, varargs); | |
5490 | } | |
5491 | ||
041821e6 ILT |
5492 | case DEMANGLE_COMPONENT_BUILTIN_TYPE: |
5493 | { | |
5494 | char *p; | |
5495 | size_t alc; | |
5496 | debug_type ret; | |
5497 | ||
5498 | /* We print this component in order to find out the type name. | |
5499 | FIXME: Should we instead expose the | |
5500 | demangle_builtin_type_info structure? */ | |
5501 | p = cplus_demangle_print (DMGL_PARAMS | DMGL_ANSI, dc, 20, &alc); | |
5502 | if (p == NULL) | |
5503 | { | |
5504 | fprintf (stderr, _("Couldn't get demangled builtin type\n")); | |
5505 | return NULL; | |
5506 | } | |
5507 | ||
5508 | /* The mangling is based on the type, but does not itself | |
5509 | indicate what the sizes are. So we have to guess. */ | |
5510 | if (strcmp (p, "signed char") == 0) | |
5511 | ret = debug_make_int_type (dhandle, 1, FALSE); | |
5512 | else if (strcmp (p, "bool") == 0) | |
5513 | ret = debug_make_bool_type (dhandle, 1); | |
5514 | else if (strcmp (p, "char") == 0) | |
5515 | ret = debug_make_int_type (dhandle, 1, FALSE); | |
5516 | else if (strcmp (p, "double") == 0) | |
5517 | ret = debug_make_float_type (dhandle, 8); | |
5518 | else if (strcmp (p, "long double") == 0) | |
5519 | ret = debug_make_float_type (dhandle, 8); | |
5520 | else if (strcmp (p, "float") == 0) | |
5521 | ret = debug_make_float_type (dhandle, 4); | |
5522 | else if (strcmp (p, "__float128") == 0) | |
5523 | ret = debug_make_float_type (dhandle, 16); | |
5524 | else if (strcmp (p, "unsigned char") == 0) | |
5525 | ret = debug_make_int_type (dhandle, 1, TRUE); | |
5526 | else if (strcmp (p, "int") == 0) | |
5527 | ret = debug_make_int_type (dhandle, 4, FALSE); | |
5528 | else if (strcmp (p, "unsigned int") == 0) | |
5529 | ret = debug_make_int_type (dhandle, 4, TRUE); | |
5530 | else if (strcmp (p, "long") == 0) | |
5531 | ret = debug_make_int_type (dhandle, 4, FALSE); | |
5532 | else if (strcmp (p, "unsigned long") == 0) | |
5533 | ret = debug_make_int_type (dhandle, 4, TRUE); | |
5534 | else if (strcmp (p, "__int128") == 0) | |
5535 | ret = debug_make_int_type (dhandle, 16, FALSE); | |
5536 | else if (strcmp (p, "unsigned __int128") == 0) | |
5537 | ret = debug_make_int_type (dhandle, 16, TRUE); | |
5538 | else if (strcmp (p, "short") == 0) | |
5539 | ret = debug_make_int_type (dhandle, 2, FALSE); | |
5540 | else if (strcmp (p, "unsigned short") == 0) | |
5541 | ret = debug_make_int_type (dhandle, 2, TRUE); | |
5542 | else if (strcmp (p, "void") == 0) | |
5543 | ret = debug_make_void_type (dhandle); | |
5544 | else if (strcmp (p, "wchar_t") == 0) | |
5545 | ret = debug_make_int_type (dhandle, 4, TRUE); | |
5546 | else if (strcmp (p, "long long") == 0) | |
5547 | ret = debug_make_int_type (dhandle, 8, FALSE); | |
5548 | else if (strcmp (p, "unsigned long long") == 0) | |
5549 | ret = debug_make_int_type (dhandle, 8, TRUE); | |
5550 | else if (strcmp (p, "...") == 0) | |
5551 | { | |
5552 | if (pvarargs == NULL) | |
5553 | fprintf (stderr, _("Unexpected demangled varargs\n")); | |
5554 | else | |
5555 | *pvarargs = TRUE; | |
5556 | ret = NULL; | |
5557 | } | |
5558 | else | |
5559 | { | |
5560 | fprintf (stderr, _("Unrecognized demangled builtin type\n")); | |
5561 | ret = NULL; | |
5562 | } | |
5563 | ||
5564 | free (p); | |
5565 | ||
5566 | return ret; | |
5567 | } | |
5568 | } | |
5569 | } |