Commit | Line | Data |
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e1c14599 | 1 | /* stabs.c -- Parse stabs debugging information |
1ff0de45 | 2 | Copyright (C) 1995, 1996 Free Software Foundation, Inc. |
e1c14599 ILT |
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 | |
9 | the Free Software Foundation; either version 2 of the License, or | |
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 | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | 02111-1307, USA. */ | |
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 | ||
27 | #include <stdio.h> | |
28 | #include <ctype.h> | |
29 | ||
30 | #include "bfd.h" | |
31 | #include "bucomm.h" | |
32 | #include "libiberty.h" | |
33 | #include "debug.h" | |
34 | #include "budbg.h" | |
35 | ||
36 | /* Meaningless definition needs by aout64.h. FIXME. */ | |
37 | #define BYTES_IN_WORD 4 | |
38 | ||
39 | #include "aout/aout64.h" | |
40 | #include "aout/stab_gnu.h" | |
41 | ||
42 | /* The number of predefined XCOFF types. */ | |
43 | ||
44 | #define XCOFF_TYPE_COUNT 34 | |
45 | ||
46 | /* This structure is used as a handle so that the stab parsing doesn't | |
47 | need to use any static variables. */ | |
48 | ||
49 | struct stab_handle | |
50 | { | |
1ff0de45 ILT |
51 | /* True if this is stabs in sections. */ |
52 | boolean sections; | |
e1c14599 ILT |
53 | /* The type of the last stab symbol, so that we can detect N_SO |
54 | pairs. */ | |
55 | int last_type; | |
1ff0de45 ILT |
56 | /* The value of the start of the file, so that we can handle file |
57 | relative N_LBRAC and N_RBRAC symbols. */ | |
58 | bfd_vma file_start_offset; | |
e1c14599 | 59 | /* The offset of the start of the function, so that we can handle |
1ff0de45 | 60 | function relative N_LBRAC and N_RBRAC symbols. */ |
e1c14599 ILT |
61 | bfd_vma function_start_offset; |
62 | /* The version number of gcc which compiled the current compilation | |
63 | unit, 0 if not compiled by gcc. */ | |
64 | int gcc_compiled; | |
65 | /* Whether an N_OPT symbol was seen that was not generated by gcc, | |
66 | so that we can detect the SunPRO compiler. */ | |
67 | boolean n_opt_found; | |
68 | /* The main file name. */ | |
69 | char *main_filename; | |
70 | /* A stack of N_BINCL files. */ | |
71 | struct bincl_file *bincl_stack; | |
72 | /* Whether we are inside a function or not. */ | |
73 | boolean within_function; | |
74 | /* The depth of block nesting. */ | |
75 | int block_depth; | |
76 | /* List of pending variable definitions. */ | |
77 | struct stab_pending_var *pending; | |
78 | /* Number of files for which we have types. */ | |
79 | unsigned int files; | |
80 | /* Lists of types per file. */ | |
81 | struct stab_types **file_types; | |
82 | /* Predefined XCOFF types. */ | |
83 | debug_type xcoff_types[XCOFF_TYPE_COUNT]; | |
84 | /* Undefined tags. */ | |
85 | struct stab_tag *tags; | |
86 | }; | |
87 | ||
88 | /* A list of these structures is used to hold pending variable | |
89 | definitions seen before the N_LBRAC of a block. */ | |
90 | ||
91 | struct stab_pending_var | |
92 | { | |
93 | /* Next pending variable definition. */ | |
94 | struct stab_pending_var *next; | |
95 | /* Name. */ | |
96 | const char *name; | |
97 | /* Type. */ | |
98 | debug_type type; | |
99 | /* Kind. */ | |
100 | enum debug_var_kind kind; | |
101 | /* Value. */ | |
102 | bfd_vma val; | |
103 | }; | |
104 | ||
105 | /* A list of these structures is used to hold the types for a single | |
106 | file. */ | |
107 | ||
108 | struct stab_types | |
109 | { | |
110 | /* Next set of slots for this file. */ | |
111 | struct stab_types *next; | |
112 | /* Types indexed by type number. */ | |
113 | #define STAB_TYPES_SLOTS (16) | |
114 | debug_type types[STAB_TYPES_SLOTS]; | |
115 | }; | |
116 | ||
117 | /* We keep a list of undefined tags that we encounter, so that we can | |
118 | fill them in if the tag is later defined. */ | |
119 | ||
120 | struct stab_tag | |
121 | { | |
122 | /* Next undefined tag. */ | |
123 | struct stab_tag *next; | |
124 | /* Tag name. */ | |
125 | const char *name; | |
126 | /* Type kind. */ | |
127 | enum debug_type_kind kind; | |
128 | /* Slot to hold real type when we discover it. If we don't, we fill | |
129 | in an undefined tag type. */ | |
130 | debug_type slot; | |
131 | /* Indirect type we have created to point at slot. */ | |
132 | debug_type type; | |
133 | }; | |
134 | ||
135 | static char *savestring PARAMS ((const char *, int)); | |
136 | static bfd_vma parse_number PARAMS ((const char **, boolean *)); | |
137 | static void bad_stab PARAMS ((const char *)); | |
138 | static void warn_stab PARAMS ((const char *, const char *)); | |
139 | static boolean parse_stab_string | |
140 | PARAMS ((PTR, struct stab_handle *, int, int, bfd_vma, const char *)); | |
141 | static debug_type parse_stab_type | |
1ff0de45 ILT |
142 | PARAMS ((PTR, struct stab_handle *, const char *, const char **, |
143 | debug_type **)); | |
e1c14599 ILT |
144 | static boolean parse_stab_type_number |
145 | PARAMS ((const char **, int *)); | |
146 | static debug_type parse_stab_range_type | |
1ff0de45 ILT |
147 | PARAMS ((PTR, struct stab_handle *, const char *, const char **, |
148 | const int *)); | |
e1c14599 ILT |
149 | static debug_type parse_stab_sun_builtin_type PARAMS ((PTR, const char **)); |
150 | static debug_type parse_stab_sun_floating_type | |
151 | PARAMS ((PTR, const char **)); | |
152 | static debug_type parse_stab_enum_type PARAMS ((PTR, const char **)); | |
153 | static debug_type parse_stab_struct_type | |
154 | PARAMS ((PTR, struct stab_handle *, const char **, boolean, const int *)); | |
155 | static boolean parse_stab_baseclasses | |
156 | PARAMS ((PTR, struct stab_handle *, const char **, debug_baseclass **)); | |
157 | static boolean parse_stab_struct_fields | |
158 | PARAMS ((PTR, struct stab_handle *, const char **, debug_field **, | |
159 | boolean *)); | |
160 | static boolean parse_stab_cpp_abbrev | |
161 | PARAMS ((PTR, struct stab_handle *, const char **, debug_field *)); | |
162 | static boolean parse_stab_one_struct_field | |
163 | PARAMS ((PTR, struct stab_handle *, const char **, const char *, | |
164 | debug_field *, boolean *)); | |
165 | static boolean parse_stab_members | |
166 | PARAMS ((PTR, struct stab_handle *, const char **, debug_method **)); | |
167 | static boolean parse_stab_tilde_field | |
168 | PARAMS ((PTR, struct stab_handle *, const char **, const int *, | |
169 | debug_type *, boolean *)); | |
170 | static debug_type parse_stab_array_type | |
171 | PARAMS ((PTR, struct stab_handle *, const char **, boolean)); | |
172 | static void push_bincl PARAMS ((struct stab_handle *, const char *)); | |
173 | static const char *pop_bincl PARAMS ((struct stab_handle *)); | |
174 | static boolean stab_record_variable | |
175 | PARAMS ((PTR, struct stab_handle *, const char *, debug_type, | |
176 | enum debug_var_kind, bfd_vma)); | |
177 | static boolean stab_emit_pending_vars PARAMS ((PTR, struct stab_handle *)); | |
178 | static debug_type *stab_find_slot | |
179 | PARAMS ((struct stab_handle *, const int *)); | |
180 | static debug_type stab_find_type | |
181 | PARAMS ((PTR, struct stab_handle *, const int *)); | |
182 | static boolean stab_record_type | |
183 | PARAMS ((PTR, struct stab_handle *, const int *, debug_type)); | |
184 | static debug_type stab_xcoff_builtin_type | |
185 | PARAMS ((PTR, struct stab_handle *, int)); | |
186 | ||
187 | /* Save a string in memory. */ | |
188 | ||
189 | static char * | |
190 | savestring (start, len) | |
191 | const char *start; | |
192 | int len; | |
193 | { | |
194 | char *ret; | |
195 | ||
196 | ret = (char *) xmalloc (len + 1); | |
197 | memcpy (ret, start, len); | |
198 | ret[len] = '\0'; | |
199 | return ret; | |
200 | } | |
201 | ||
202 | /* Read a number from a string. */ | |
203 | ||
204 | static bfd_vma | |
205 | parse_number (pp, poverflow) | |
206 | const char **pp; | |
207 | boolean *poverflow; | |
208 | { | |
209 | unsigned long ul; | |
210 | const char *orig; | |
211 | ||
212 | if (poverflow != NULL) | |
213 | *poverflow = false; | |
214 | ||
215 | orig = *pp; | |
216 | ||
217 | errno = 0; | |
218 | ul = strtoul (*pp, (char **) pp, 0); | |
219 | if (ul + 1 != 0 || errno == 0) | |
220 | return (bfd_vma) ul; | |
221 | ||
222 | /* Note that even though strtoul overflowed, it should have set *pp | |
223 | to the end of the number, which is where we want it. */ | |
224 | ||
225 | if (sizeof (bfd_vma) > sizeof (unsigned long)) | |
226 | { | |
227 | const char *p; | |
228 | boolean neg; | |
229 | int base; | |
230 | bfd_vma over, lastdig; | |
231 | boolean overflow; | |
232 | bfd_vma v; | |
233 | ||
234 | /* Our own version of strtoul, for a bfd_vma. */ | |
235 | ||
236 | p = orig; | |
237 | ||
238 | neg = false; | |
239 | if (*p == '+') | |
240 | ++p; | |
241 | else if (*p == '-') | |
242 | { | |
243 | neg = true; | |
244 | ++p; | |
245 | } | |
246 | ||
247 | base = 10; | |
248 | if (*p == '0') | |
249 | { | |
250 | if (p[1] == 'x' || p[1] == 'X') | |
251 | { | |
252 | base = 16; | |
253 | p += 2; | |
254 | } | |
255 | else | |
256 | { | |
257 | base = 8; | |
258 | ++p; | |
259 | } | |
260 | } | |
261 | ||
262 | over = ((bfd_vma) (bfd_signed_vma) -1) / (bfd_vma) base; | |
263 | lastdig = ((bfd_vma) (bfd_signed_vma) -1) % (bfd_vma) base; | |
264 | ||
265 | overflow = false; | |
266 | v = 0; | |
267 | while (1) | |
268 | { | |
269 | int d; | |
270 | ||
271 | d = *p++; | |
272 | if (isdigit ((unsigned char) d)) | |
273 | d -= '0'; | |
274 | else if (isupper ((unsigned char) d)) | |
275 | d -= 'A'; | |
276 | else if (islower ((unsigned char) d)) | |
277 | d -= 'a'; | |
278 | else | |
279 | break; | |
280 | ||
281 | if (d >= base) | |
282 | break; | |
283 | ||
284 | if (v > over || (v == over && (bfd_vma) d > lastdig)) | |
285 | { | |
286 | overflow = true; | |
287 | break; | |
288 | } | |
289 | } | |
290 | ||
291 | if (! overflow) | |
292 | { | |
293 | if (neg) | |
294 | v = - v; | |
295 | return v; | |
296 | } | |
297 | } | |
298 | ||
299 | /* If we get here, the number is too large to represent in a | |
300 | bfd_vma. */ | |
301 | ||
302 | if (poverflow != NULL) | |
303 | *poverflow = true; | |
304 | else | |
305 | warn_stab (orig, "numeric overflow"); | |
306 | ||
307 | return 0; | |
308 | } | |
309 | ||
310 | /* Give an error for a bad stab string. */ | |
311 | ||
312 | static void | |
313 | bad_stab (p) | |
314 | const char *p; | |
315 | { | |
316 | fprintf (stderr, "Bad stab: %s\n", p); | |
317 | } | |
318 | ||
319 | /* Warn about something in a stab string. */ | |
320 | ||
321 | static void | |
322 | warn_stab (p, err) | |
323 | const char *p; | |
324 | const char *err; | |
325 | { | |
326 | fprintf (stderr, "Warning: %s: %s\n", err, p); | |
327 | } | |
328 | ||
329 | /* Create a handle to parse stabs symbols with. */ | |
330 | ||
331 | /*ARGSUSED*/ | |
332 | PTR | |
1ff0de45 | 333 | start_stab (dhandle, sections) |
e1c14599 | 334 | PTR dhandle; |
1ff0de45 | 335 | boolean sections; |
e1c14599 ILT |
336 | { |
337 | struct stab_handle *ret; | |
338 | ||
339 | ret = (struct stab_handle *) xmalloc (sizeof *ret); | |
340 | memset (ret, 0, sizeof *ret); | |
1ff0de45 | 341 | ret->sections = sections; |
e1c14599 ILT |
342 | ret->files = 1; |
343 | ret->file_types = (struct stab_types **) xmalloc (sizeof *ret->file_types); | |
344 | ret->file_types[0] = NULL; | |
345 | return (PTR) ret; | |
346 | } | |
347 | ||
348 | /* When we have processed all the stabs information, we need to go | |
349 | through and fill in all the undefined tags. */ | |
350 | ||
351 | boolean | |
352 | finish_stab (dhandle, handle) | |
353 | PTR dhandle; | |
354 | PTR handle; | |
355 | { | |
356 | struct stab_handle *info = (struct stab_handle *) handle; | |
357 | struct stab_tag *st; | |
358 | ||
359 | if (info->within_function) | |
360 | { | |
361 | if (! debug_end_function (dhandle, (bfd_vma) -1)) | |
362 | return false; | |
363 | info->within_function = false; | |
364 | } | |
365 | ||
366 | for (st = info->tags; st != NULL; st = st->next) | |
367 | { | |
368 | st->slot = debug_make_undefined_tagged_type (dhandle, st->name, | |
369 | st->kind); | |
370 | if (st->slot == DEBUG_TYPE_NULL) | |
371 | return false; | |
372 | } | |
373 | ||
374 | return true; | |
375 | } | |
376 | ||
377 | /* Handle a single stabs symbol. */ | |
378 | ||
379 | boolean | |
380 | parse_stab (dhandle, handle, type, desc, value, string) | |
381 | PTR dhandle; | |
382 | PTR handle; | |
383 | int type; | |
384 | int desc; | |
385 | bfd_vma value; | |
386 | const char *string; | |
387 | { | |
388 | struct stab_handle *info = (struct stab_handle *) handle; | |
389 | ||
390 | switch (type) | |
391 | { | |
392 | case N_FN: | |
393 | case N_FN_SEQ: | |
394 | break; | |
395 | ||
396 | case N_LBRAC: | |
397 | /* Ignore extra outermost context from SunPRO cc and acc. */ | |
398 | if (info->n_opt_found && desc == 1) | |
399 | break; | |
400 | ||
401 | if (! info->within_function) | |
402 | { | |
403 | fprintf (stderr, "N_LBRAC not within function\n"); | |
404 | return false; | |
405 | } | |
406 | ||
407 | /* Start an inner lexical block. */ | |
1ff0de45 ILT |
408 | if (! debug_start_block (dhandle, |
409 | (value | |
410 | + info->file_start_offset | |
411 | + info->function_start_offset))) | |
e1c14599 ILT |
412 | return false; |
413 | ||
414 | /* Emit any pending variable definitions. */ | |
415 | if (! stab_emit_pending_vars (dhandle, info)) | |
416 | return false; | |
417 | ||
418 | ++info->block_depth; | |
419 | break; | |
420 | ||
421 | case N_RBRAC: | |
422 | /* Ignore extra outermost context from SunPRO cc and acc. */ | |
423 | if (info->n_opt_found && desc == 1) | |
424 | break; | |
425 | ||
426 | /* We shouldn't have any pending variable definitions here, but, | |
427 | if we do, we probably need to emit them before closing the | |
428 | block. */ | |
429 | if (! stab_emit_pending_vars (dhandle, info)) | |
430 | return false; | |
431 | ||
432 | /* End an inner lexical block. */ | |
1ff0de45 ILT |
433 | if (! debug_end_block (dhandle, |
434 | (value | |
435 | + info->file_start_offset | |
436 | + info->function_start_offset))) | |
e1c14599 ILT |
437 | return false; |
438 | ||
439 | --info->block_depth; | |
440 | if (info->block_depth == 0) | |
441 | { | |
442 | info->within_function = false; | |
443 | if (! debug_end_function (dhandle, | |
1ff0de45 ILT |
444 | (value |
445 | + info->file_start_offset | |
446 | + info->function_start_offset))) | |
e1c14599 ILT |
447 | return false; |
448 | } | |
449 | break; | |
450 | ||
451 | case N_SO: | |
452 | /* Start a file. If we get two in a row, the first is the | |
453 | directory name. An empty string is emitted by gcc at the end | |
454 | of a compilation unit. */ | |
455 | if (*string == '\0') | |
456 | { | |
457 | if (info->within_function) | |
458 | { | |
459 | if (! debug_end_function (dhandle, (bfd_vma) -1)) | |
460 | return false; | |
461 | info->within_function = false; | |
462 | } | |
463 | return true; | |
464 | } | |
465 | info->gcc_compiled = 0; | |
466 | info->n_opt_found = false; | |
467 | if (info->last_type == N_SO) | |
468 | { | |
469 | char *o; | |
470 | ||
471 | if (! debug_append_filename (dhandle, string)) | |
472 | return false; | |
473 | o = info->main_filename; | |
474 | info->main_filename = concat (o, string, (const char *) NULL); | |
475 | free (o); | |
476 | } | |
477 | else | |
478 | { | |
1ff0de45 ILT |
479 | if (info->within_function) |
480 | { | |
481 | if (! debug_end_function (dhandle, (bfd_vma) -1)) | |
482 | return false; | |
483 | info->within_function = false; | |
484 | } | |
e1c14599 ILT |
485 | if (! debug_set_filename (dhandle, string)) |
486 | return false; | |
487 | if (info->main_filename != NULL) | |
488 | free (info->main_filename); | |
489 | info->main_filename = xstrdup (string); | |
490 | ||
1ff0de45 ILT |
491 | /* Generally, for stabs in the symbol table, the N_LBRAC and |
492 | N_RBRAC symbols are relative to the N_SO symbol value. */ | |
493 | if (! info->sections) | |
494 | info->file_start_offset = value; | |
495 | ||
e1c14599 ILT |
496 | /* We need to reset the mapping from type numbers to types. |
497 | We can't free the old mapping, because of the use of | |
498 | debug_make_indirect_type. */ | |
499 | info->files = 1; | |
500 | info->file_types = ((struct stab_types **) | |
501 | xmalloc (sizeof *info->file_types)); | |
502 | info->file_types[0] = NULL; | |
503 | } | |
504 | break; | |
505 | ||
506 | case N_SOL: | |
507 | /* Start an include file. */ | |
508 | if (! debug_start_source (dhandle, string)) | |
509 | return false; | |
510 | break; | |
511 | ||
512 | case N_BINCL: | |
513 | /* Start an include file which may be replaced. */ | |
514 | push_bincl (info, string); | |
515 | if (! debug_start_source (dhandle, string)) | |
516 | return false; | |
517 | break; | |
518 | ||
519 | case N_EINCL: | |
520 | /* End an N_BINCL include. */ | |
521 | if (! debug_start_source (dhandle, pop_bincl (info))) | |
522 | return false; | |
523 | break; | |
524 | ||
525 | case N_EXCL: | |
526 | /* This is a duplicate of a header file named by N_BINCL which | |
527 | was eliminated by the linker. */ | |
528 | ++info->files; | |
529 | info->file_types = ((struct stab_types **) | |
530 | xrealloc ((PTR) info->file_types, | |
531 | (info->files | |
532 | * sizeof *info->file_types))); | |
533 | info->file_types[info->files - 1] = NULL; | |
534 | break; | |
535 | ||
536 | case N_SLINE: | |
537 | if (! debug_record_line (dhandle, desc, | |
538 | value + info->function_start_offset)) | |
539 | return false; | |
540 | break; | |
541 | ||
542 | case N_BCOMM: | |
543 | if (! debug_start_common_block (dhandle, string)) | |
544 | return false; | |
545 | break; | |
546 | ||
547 | case N_ECOMM: | |
548 | if (! debug_end_common_block (dhandle, string)) | |
549 | return false; | |
550 | break; | |
551 | ||
552 | /* FIXME: gdb checks the string for N_STSYM, N_LCSYM or N_ROSYM | |
553 | symbols, and if it does not start with :S, gdb relocates the | |
554 | value to the start of the section. gcc always seems to use | |
555 | :S, so we don't worry about this. */ | |
556 | default: | |
557 | { | |
558 | const char *colon; | |
559 | ||
560 | colon = strchr (string, ':'); | |
561 | if (colon != NULL | |
562 | && (colon[1] == 'f' || colon[1] == 'F')) | |
563 | { | |
564 | if (info->within_function) | |
565 | { | |
566 | if (! debug_end_function (dhandle, (bfd_vma) -1)) | |
567 | return false; | |
568 | } | |
1ff0de45 ILT |
569 | /* For stabs in sections, line numbers and block addresses |
570 | are offsets from the start of the function. */ | |
571 | if (info->sections) | |
572 | info->function_start_offset = value; | |
e1c14599 ILT |
573 | info->within_function = true; |
574 | } | |
575 | ||
576 | if (! parse_stab_string (dhandle, info, type, desc, value, string)) | |
577 | return false; | |
578 | } | |
579 | break; | |
580 | ||
581 | case N_OPT: | |
582 | if (string != NULL && strcmp (string, "gcc2_compiled.") == 0) | |
583 | info->gcc_compiled = 2; | |
584 | else if (string != NULL && strcmp (string, "gcc_compiled.") == 0) | |
585 | info->gcc_compiled = 1; | |
586 | else | |
587 | info->n_opt_found = true; | |
588 | break; | |
589 | ||
590 | case N_OBJ: | |
591 | case N_ENDM: | |
592 | case N_MAIN: | |
593 | break; | |
594 | } | |
595 | ||
596 | info->last_type = type; | |
597 | ||
598 | return true; | |
599 | } | |
600 | ||
601 | /* Parse the stabs string. */ | |
602 | ||
603 | static boolean | |
604 | parse_stab_string (dhandle, info, stabtype, desc, value, string) | |
605 | PTR dhandle; | |
606 | struct stab_handle *info; | |
607 | int stabtype; | |
608 | int desc; | |
609 | bfd_vma value; | |
610 | const char *string; | |
611 | { | |
612 | const char *p; | |
613 | char *name; | |
614 | int type; | |
615 | debug_type dtype; | |
616 | boolean synonym; | |
617 | unsigned int lineno; | |
618 | debug_type *slot; | |
619 | ||
620 | p = strchr (string, ':'); | |
621 | if (p == NULL) | |
622 | return true; | |
623 | ||
624 | while (p[1] == ':') | |
625 | { | |
626 | p += 2; | |
627 | p = strchr (p, ':'); | |
628 | if (p == NULL) | |
629 | { | |
630 | bad_stab (string); | |
631 | return false; | |
632 | } | |
633 | } | |
634 | ||
635 | /* GCC 2.x puts the line number in desc. SunOS apparently puts in | |
636 | the number of bytes occupied by a type or object, which we | |
637 | ignore. */ | |
638 | if (info->gcc_compiled >= 2) | |
639 | lineno = desc; | |
640 | else | |
641 | lineno = 0; | |
642 | ||
643 | /* FIXME: Sometimes the special C++ names start with '.'. */ | |
644 | name = NULL; | |
645 | if (string[0] == '$') | |
646 | { | |
647 | switch (string[1]) | |
648 | { | |
649 | case 't': | |
650 | name = "this"; | |
651 | break; | |
652 | case 'v': | |
653 | /* Was: name = "vptr"; */ | |
654 | break; | |
655 | case 'e': | |
656 | name = "eh_throw"; | |
657 | break; | |
658 | case '_': | |
659 | /* This was an anonymous type that was never fixed up. */ | |
660 | break; | |
661 | case 'X': | |
662 | /* SunPRO (3.0 at least) static variable encoding. */ | |
663 | break; | |
664 | default: | |
665 | warn_stab (string, "unknown C++ encoded name"); | |
666 | break; | |
667 | } | |
668 | } | |
669 | ||
670 | if (name == NULL) | |
671 | { | |
672 | if (p == string || (string[0] == ' ' && p == string + 1)) | |
673 | name = NULL; | |
674 | else | |
675 | name = savestring (string, p - string); | |
676 | } | |
677 | ||
678 | ++p; | |
679 | if (isdigit ((unsigned char) *p) || *p == '(' || *p == '-') | |
680 | type = 'l'; | |
681 | else | |
682 | type = *p++; | |
683 | ||
684 | switch (type) | |
685 | { | |
686 | case 'c': | |
687 | /* c is a special case, not followed by a type-number. | |
688 | SYMBOL:c=iVALUE for an integer constant symbol. | |
689 | SYMBOL:c=rVALUE for a floating constant symbol. | |
690 | SYMBOL:c=eTYPE,INTVALUE for an enum constant symbol. | |
691 | e.g. "b:c=e6,0" for "const b = blob1" | |
692 | (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */ | |
693 | if (*p != '=') | |
694 | { | |
695 | bad_stab (string); | |
696 | return false; | |
697 | } | |
698 | ++p; | |
699 | switch (*p++) | |
700 | { | |
701 | case 'r': | |
702 | /* Floating point constant. */ | |
703 | if (! debug_record_float_const (dhandle, name, atof (p))) | |
704 | return false; | |
705 | break; | |
706 | case 'i': | |
707 | /* Integer constant. */ | |
708 | /* Defining integer constants this way is kind of silly, | |
709 | since 'e' constants allows the compiler to give not only | |
710 | the value, but the type as well. C has at least int, | |
711 | long, unsigned int, and long long as constant types; | |
712 | other languages probably should have at least unsigned as | |
713 | well as signed constants. */ | |
714 | if (! debug_record_int_const (dhandle, name, atoi (p))) | |
715 | return false; | |
716 | break; | |
717 | case 'e': | |
718 | /* SYMBOL:c=eTYPE,INTVALUE for a constant symbol whose value | |
719 | can be represented as integral. | |
720 | e.g. "b:c=e6,0" for "const b = blob1" | |
721 | (where type 6 is defined by "blobs:t6=eblob1:0,blob2:1,;"). */ | |
1ff0de45 ILT |
722 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, |
723 | &p, (debug_type **) NULL); | |
e1c14599 ILT |
724 | if (dtype == DEBUG_TYPE_NULL) |
725 | return false; | |
726 | if (*p != ',') | |
727 | { | |
728 | bad_stab (string); | |
729 | return false; | |
730 | } | |
731 | if (! debug_record_typed_const (dhandle, name, dtype, atoi (p))) | |
732 | return false; | |
733 | break; | |
734 | default: | |
735 | bad_stab (string); | |
736 | return false; | |
737 | } | |
738 | ||
739 | break; | |
740 | ||
741 | case 'C': | |
742 | /* The name of a caught exception. */ | |
1ff0de45 ILT |
743 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, |
744 | &p, (debug_type **) NULL); | |
e1c14599 ILT |
745 | if (dtype == DEBUG_TYPE_NULL) |
746 | return false; | |
747 | if (! debug_record_label (dhandle, name, dtype, value)) | |
748 | return false; | |
749 | break; | |
750 | ||
751 | case 'f': | |
752 | case 'F': | |
753 | /* A function definition. */ | |
1ff0de45 ILT |
754 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
755 | (debug_type **) NULL); | |
e1c14599 ILT |
756 | if (dtype == DEBUG_TYPE_NULL) |
757 | return false; | |
758 | if (! debug_record_function (dhandle, name, dtype, type == 'F', value)) | |
759 | return false; | |
760 | ||
761 | /* Sun acc puts declared types of arguments here. We don't care | |
762 | about their actual types (FIXME -- we should remember the whole | |
763 | function prototype), but the list may define some new types | |
764 | that we have to remember, so we must scan it now. */ | |
765 | while (*p == ';') | |
766 | { | |
767 | ++p; | |
1ff0de45 ILT |
768 | if (parse_stab_type (dhandle, info, (const char *) NULL, &p, |
769 | (debug_type **) NULL) | |
e1c14599 ILT |
770 | == DEBUG_TYPE_NULL) |
771 | return false; | |
772 | } | |
773 | ||
774 | break; | |
775 | ||
776 | case 'G': | |
777 | /* A global symbol. The value must be extracted from the symbol | |
778 | table. */ | |
1ff0de45 ILT |
779 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
780 | (debug_type **) NULL); | |
e1c14599 ILT |
781 | if (dtype == DEBUG_TYPE_NULL) |
782 | return false; | |
783 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_GLOBAL, | |
784 | (bfd_vma) -1)) | |
785 | return false; | |
786 | break; | |
787 | ||
788 | /* This case is faked by a conditional above, when there is no | |
789 | code letter in the dbx data. Dbx data never actually | |
790 | contains 'l'. */ | |
791 | case 'l': | |
792 | case 's': | |
1ff0de45 ILT |
793 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
794 | (debug_type **) NULL); | |
e1c14599 ILT |
795 | if (dtype == DEBUG_TYPE_NULL) |
796 | return false; | |
797 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_LOCAL, | |
798 | value)) | |
799 | return false; | |
800 | break; | |
801 | ||
802 | case 'p': | |
803 | /* A function parameter. */ | |
804 | if (*p != 'F') | |
1ff0de45 ILT |
805 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
806 | (debug_type **) NULL); | |
e1c14599 ILT |
807 | else |
808 | { | |
809 | /* pF is a two-letter code that means a function parameter in | |
810 | Fortran. The type-number specifies the type of the return | |
811 | value. Translate it into a pointer-to-function type. */ | |
812 | ++p; | |
1ff0de45 ILT |
813 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
814 | (debug_type **) NULL); | |
e1c14599 ILT |
815 | if (dtype != DEBUG_TYPE_NULL) |
816 | dtype = debug_make_pointer_type (dhandle, | |
817 | debug_make_function_type (dhandle, | |
818 | dtype)); | |
819 | } | |
820 | if (dtype == DEBUG_TYPE_NULL) | |
821 | return false; | |
822 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_STACK, | |
823 | value)) | |
824 | return false; | |
825 | ||
826 | /* FIXME: At this point gdb considers rearranging the parameter | |
827 | address on a big endian machine if it is smaller than an int. | |
828 | We have no way to do that, since we don't really know much | |
829 | about the target. */ | |
830 | ||
831 | break; | |
832 | ||
833 | case 'P': | |
834 | if (stabtype == N_FUN) | |
835 | { | |
836 | /* Prototype of a function referenced by this file. */ | |
837 | while (*p == ';') | |
838 | { | |
839 | ++p; | |
1ff0de45 ILT |
840 | if (parse_stab_type (dhandle, info, (const char *) NULL, &p, |
841 | (debug_type **) NULL) | |
e1c14599 ILT |
842 | == DEBUG_TYPE_NULL) |
843 | return false; | |
844 | } | |
845 | break; | |
846 | } | |
847 | /* Fall through. */ | |
848 | case 'R': | |
849 | /* Parameter which is in a register. */ | |
1ff0de45 ILT |
850 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
851 | (debug_type **) NULL); | |
e1c14599 ILT |
852 | if (dtype == DEBUG_TYPE_NULL) |
853 | return false; | |
854 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REG, | |
855 | value)) | |
856 | return false; | |
857 | break; | |
858 | ||
859 | case 'r': | |
860 | /* Register variable (either global or local). */ | |
1ff0de45 ILT |
861 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
862 | (debug_type **) NULL); | |
e1c14599 ILT |
863 | if (dtype == DEBUG_TYPE_NULL) |
864 | return false; | |
865 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_REGISTER, | |
866 | value)) | |
867 | return false; | |
868 | ||
869 | /* FIXME: At this point gdb checks to combine pairs of 'p' and | |
870 | 'r' stabs into a single 'P' stab. */ | |
871 | ||
872 | break; | |
873 | ||
874 | case 'S': | |
875 | /* Static symbol at top level of file */ | |
1ff0de45 ILT |
876 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
877 | (debug_type **) NULL); | |
e1c14599 ILT |
878 | if (dtype == DEBUG_TYPE_NULL) |
879 | return false; | |
880 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_STATIC, | |
881 | value)) | |
882 | return false; | |
883 | break; | |
884 | ||
885 | case 't': | |
886 | /* A typedef. */ | |
1ff0de45 | 887 | dtype = parse_stab_type (dhandle, info, name, &p, &slot); |
e1c14599 ILT |
888 | if (dtype == DEBUG_TYPE_NULL) |
889 | return false; | |
890 | if (name == NULL) | |
891 | { | |
892 | /* A nameless type. Nothing to do. */ | |
893 | return true; | |
894 | } | |
895 | ||
896 | dtype = debug_name_type (dhandle, name, dtype); | |
897 | if (dtype == DEBUG_TYPE_NULL) | |
898 | return false; | |
899 | ||
900 | if (slot != NULL) | |
901 | *slot = dtype; | |
902 | ||
903 | break; | |
904 | ||
905 | case 'T': | |
906 | /* Struct, union, or enum tag. For GNU C++, this can be be followed | |
907 | by 't' which means we are typedef'ing it as well. */ | |
908 | if (*p != 't') | |
909 | { | |
910 | synonym = false; | |
911 | /* FIXME: gdb sets synonym to true if the current language | |
912 | is C++. */ | |
913 | } | |
914 | else | |
915 | { | |
916 | synonym = true; | |
917 | ++p; | |
918 | } | |
919 | ||
1ff0de45 | 920 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, &slot); |
e1c14599 ILT |
921 | if (dtype == DEBUG_TYPE_NULL) |
922 | return false; | |
923 | if (name == NULL) | |
924 | return true; | |
925 | ||
926 | dtype = debug_tag_type (dhandle, name, dtype); | |
927 | if (dtype == DEBUG_TYPE_NULL) | |
928 | return false; | |
929 | if (slot != NULL) | |
930 | *slot = dtype; | |
931 | ||
932 | /* See if we have a cross reference to this tag which we can now | |
933 | fill in. */ | |
934 | { | |
935 | register struct stab_tag **pst; | |
936 | ||
937 | for (pst = &info->tags; *pst != NULL; pst = &(*pst)->next) | |
938 | { | |
939 | if ((*pst)->name[0] == name[0] | |
940 | && strcmp ((*pst)->name, name) == 0) | |
941 | { | |
942 | (*pst)->slot = dtype; | |
943 | *pst = (*pst)->next; | |
944 | break; | |
945 | } | |
946 | } | |
947 | } | |
948 | ||
949 | if (synonym) | |
950 | { | |
951 | dtype = debug_name_type (dhandle, name, dtype); | |
952 | if (dtype == DEBUG_TYPE_NULL) | |
953 | return false; | |
954 | ||
955 | if (slot != NULL) | |
956 | *slot = dtype; | |
957 | } | |
958 | ||
959 | break; | |
960 | ||
961 | case 'V': | |
962 | /* Static symbol of local scope */ | |
1ff0de45 ILT |
963 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
964 | (debug_type **) NULL); | |
e1c14599 ILT |
965 | if (dtype == DEBUG_TYPE_NULL) |
966 | return false; | |
967 | /* FIXME: gdb checks os9k_stabs here. */ | |
968 | if (! stab_record_variable (dhandle, info, name, dtype, | |
969 | DEBUG_LOCAL_STATIC, value)) | |
970 | return false; | |
971 | break; | |
972 | ||
973 | case 'v': | |
974 | /* Reference parameter. */ | |
1ff0de45 ILT |
975 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
976 | (debug_type **) NULL); | |
e1c14599 ILT |
977 | if (dtype == DEBUG_TYPE_NULL) |
978 | return false; | |
979 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REFERENCE, | |
980 | value)) | |
981 | return false; | |
982 | break; | |
983 | ||
984 | case 'a': | |
985 | /* Reference parameter which is in a register. */ | |
1ff0de45 ILT |
986 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
987 | (debug_type **) NULL); | |
e1c14599 ILT |
988 | if (dtype == DEBUG_TYPE_NULL) |
989 | return false; | |
990 | if (! debug_record_parameter (dhandle, name, dtype, DEBUG_PARM_REF_REG, | |
991 | value)) | |
992 | return false; | |
993 | break; | |
994 | ||
995 | case 'X': | |
996 | /* This is used by Sun FORTRAN for "function result value". | |
997 | Sun claims ("dbx and dbxtool interfaces", 2nd ed) | |
998 | that Pascal uses it too, but when I tried it Pascal used | |
999 | "x:3" (local symbol) instead. */ | |
1ff0de45 ILT |
1000 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, &p, |
1001 | (debug_type **) NULL); | |
e1c14599 ILT |
1002 | if (dtype == DEBUG_TYPE_NULL) |
1003 | return false; | |
1004 | if (! stab_record_variable (dhandle, info, name, dtype, DEBUG_LOCAL, | |
1005 | value)) | |
1006 | return false; | |
1007 | break; | |
1008 | ||
1009 | default: | |
1010 | bad_stab (string); | |
1011 | return false; | |
1012 | } | |
1013 | ||
1014 | /* FIXME: gdb converts structure values to structure pointers in a | |
1015 | couple of cases, depending upon the target. */ | |
1016 | ||
1017 | return true; | |
1018 | } | |
1019 | ||
1ff0de45 ILT |
1020 | /* Parse a stabs type. The typename argument is non-NULL if this is a |
1021 | typedef. The pp argument points to the stab string, and is | |
1022 | updated. The slotp argument points to a place to store the slot | |
1023 | used if the type is being defined. */ | |
e1c14599 ILT |
1024 | |
1025 | static debug_type | |
1ff0de45 | 1026 | parse_stab_type (dhandle, info, typename, pp, slotp) |
e1c14599 ILT |
1027 | PTR dhandle; |
1028 | struct stab_handle *info; | |
1ff0de45 | 1029 | const char *typename; |
e1c14599 ILT |
1030 | const char **pp; |
1031 | debug_type **slotp; | |
1032 | { | |
1033 | const char *orig; | |
1034 | int typenums[2]; | |
1035 | int size; | |
1036 | boolean stringp; | |
1037 | int descriptor; | |
1038 | debug_type dtype; | |
1039 | ||
1040 | if (slotp != NULL) | |
1041 | *slotp = NULL; | |
1042 | ||
1043 | orig = *pp; | |
1044 | ||
1045 | size = -1; | |
1046 | stringp = false; | |
1047 | ||
1048 | /* Read type number if present. The type number may be omitted. | |
1049 | for instance in a two-dimensional array declared with type | |
1050 | "ar1;1;10;ar1;1;10;4". */ | |
1051 | if (! isdigit ((unsigned char) **pp) && **pp != '(' && **pp != '-') | |
1052 | { | |
1053 | /* 'typenums=' not present, type is anonymous. Read and return | |
1054 | the definition, but don't put it in the type vector. */ | |
1055 | typenums[0] = typenums[1] = -1; | |
1056 | } | |
1057 | else | |
1058 | { | |
1059 | if (! parse_stab_type_number (pp, typenums)) | |
1060 | return DEBUG_TYPE_NULL; | |
1061 | ||
1062 | if (**pp != '=') | |
1063 | { | |
1064 | /* Type is not being defined here. Either it already | |
1065 | exists, or this is a forward reference to it. */ | |
1066 | return stab_find_type (dhandle, info, typenums); | |
1067 | } | |
1068 | ||
1069 | /* Only set the slot if the type is being defined. This means | |
1070 | that the mapping from type numbers to types will only record | |
1071 | the name of the typedef which defines a type. If we don't do | |
1072 | this, then something like | |
1073 | typedef int foo; | |
1074 | int i; | |
1075 | will record that i is of type foo. Unfortunately, stabs | |
1076 | information is ambiguous about variable types. For this code, | |
1077 | typedef int foo; | |
1078 | int i; | |
1079 | foo j; | |
1080 | the stabs information records both i and j as having the same | |
1081 | type. This could be fixed by patching the compiler. */ | |
1082 | if (slotp != NULL && typenums[0] >= 0 && typenums[1] >= 0) | |
1083 | *slotp = stab_find_slot (info, typenums); | |
1084 | ||
1085 | /* Type is being defined here. */ | |
1086 | /* Skip the '='. */ | |
1087 | ++*pp; | |
1088 | ||
1089 | while (**pp == '@') | |
1090 | { | |
1091 | const char *p = *pp + 1; | |
1092 | const char *attr; | |
1093 | ||
1094 | if (isdigit ((unsigned char) *p) || *p == '(' || *p == '-') | |
1095 | { | |
1096 | /* Member type. */ | |
1097 | break; | |
1098 | } | |
1099 | ||
1100 | /* Type attributes. */ | |
1101 | attr = p; | |
1102 | ||
1103 | for (; *p != ';'; ++p) | |
1104 | { | |
1105 | if (*p == '\0') | |
1106 | { | |
1107 | bad_stab (orig); | |
1108 | return DEBUG_TYPE_NULL; | |
1109 | } | |
1110 | } | |
1111 | *pp = p + 1; | |
1112 | ||
1113 | switch (*attr) | |
1114 | { | |
1115 | case 's': | |
1116 | size = atoi (attr + 1); | |
1117 | if (size <= 0) | |
1118 | size = -1; | |
1119 | break; | |
1120 | ||
1121 | case 'S': | |
1122 | stringp = true; | |
1123 | break; | |
1124 | ||
1125 | default: | |
1126 | /* Ignore unrecognized type attributes, so future | |
1127 | compilers can invent new ones. */ | |
1128 | break; | |
1129 | } | |
1130 | } | |
1131 | } | |
1132 | ||
1133 | descriptor = **pp; | |
1134 | ++*pp; | |
1135 | ||
1136 | switch (descriptor) | |
1137 | { | |
1138 | case 'x': | |
1139 | { | |
1140 | enum debug_type_kind code; | |
1141 | const char *q1, *q2, *p; | |
1142 | char *name; | |
1143 | struct stab_tag *st; | |
1144 | ||
1145 | /* A cross reference to another type. */ | |
1146 | ||
1147 | switch (**pp) | |
1148 | { | |
1149 | case 's': | |
1150 | code = DEBUG_KIND_STRUCT; | |
1151 | break; | |
1152 | case 'u': | |
1153 | code = DEBUG_KIND_UNION; | |
1154 | break; | |
1155 | case 'e': | |
1156 | code = DEBUG_KIND_ENUM; | |
1157 | break; | |
1158 | default: | |
1159 | /* Complain and keep going, so compilers can invent new | |
1160 | cross-reference types. */ | |
1161 | warn_stab (orig, "unrecognized cross reference type"); | |
1162 | code = DEBUG_KIND_STRUCT; | |
1163 | break; | |
1164 | } | |
1165 | ++*pp; | |
1166 | ||
1167 | q1 = strchr (*pp, '<'); | |
1168 | p = strchr (*pp, ':'); | |
1169 | if (p == NULL) | |
1170 | { | |
1171 | bad_stab (orig); | |
1172 | return DEBUG_TYPE_NULL; | |
1173 | } | |
1174 | while (q1 != NULL && p > q1 && p[1] == ':') | |
1175 | { | |
1176 | q2 = strchr (q1, '>'); | |
1177 | if (q2 == NULL || q2 < p) | |
1178 | break; | |
1179 | p += 2; | |
1180 | p = strchr (p, ':'); | |
1181 | if (p == NULL) | |
1182 | { | |
1183 | bad_stab (orig); | |
1184 | return DEBUG_TYPE_NULL; | |
1185 | } | |
1186 | } | |
1187 | ||
1188 | name = savestring (*pp, p - *pp); | |
1189 | ||
1190 | *pp = p + 1; | |
1191 | ||
1192 | /* We pass DEBUG_KIND_VOID because we want all tags in the | |
1193 | same namespace. This is right for C, and I don't know how | |
1194 | to handle other languages. FIXME. */ | |
1195 | dtype = debug_find_tagged_type (dhandle, name, DEBUG_KIND_VOID); | |
1196 | if (dtype != DEBUG_TYPE_NULL) | |
1197 | { | |
1198 | free (name); | |
1199 | if (typenums[0] != -1) | |
1200 | { | |
1201 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1202 | return DEBUG_TYPE_NULL; | |
1203 | } | |
1204 | return dtype; | |
1205 | } | |
1206 | ||
1207 | /* We need to allocate an entry on the undefined tag list. */ | |
1208 | for (st = info->tags; st != NULL; st = st->next) | |
1209 | { | |
1210 | if (st->name[0] == name[0] | |
1211 | && strcmp (st->name, name) == 0) | |
1212 | break; | |
1213 | } | |
1214 | if (st == NULL) | |
1215 | { | |
1216 | st = (struct stab_tag *) xmalloc (sizeof *st); | |
1217 | memset (st, 0, sizeof *st); | |
1218 | ||
1219 | st->next = info->tags; | |
1220 | st->name = name; | |
1221 | st->kind = code; | |
1222 | st->slot = DEBUG_TYPE_NULL; | |
1223 | st->type = debug_make_indirect_type (dhandle, &st->slot, name); | |
1224 | info->tags = st; | |
1225 | } | |
1226 | ||
1227 | dtype = st->type; | |
1228 | if (typenums[0] != -1) | |
1229 | { | |
1230 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1231 | return DEBUG_TYPE_NULL; | |
1232 | } | |
1233 | return dtype; | |
1234 | } | |
1235 | break; | |
1236 | ||
1237 | case '-': | |
1238 | case '0': | |
1239 | case '1': | |
1240 | case '2': | |
1241 | case '3': | |
1242 | case '4': | |
1243 | case '5': | |
1244 | case '6': | |
1245 | case '7': | |
1246 | case '8': | |
1247 | case '9': | |
1248 | case '(': | |
1249 | { | |
1250 | const char *hold; | |
1251 | int xtypenums[2]; | |
1252 | ||
1253 | /* This type is defined as another type. */ | |
1254 | ||
1255 | (*pp)--; | |
1256 | hold = *pp; | |
1257 | ||
1258 | /* Peek ahead at the number to detect void. */ | |
1259 | if (! parse_stab_type_number (pp, xtypenums)) | |
1260 | return DEBUG_TYPE_NULL; | |
1261 | ||
1262 | if (typenums[0] == xtypenums[0] && typenums[1] == xtypenums[1]) | |
1263 | { | |
1264 | /* This type is being defined as itself, which means that | |
1265 | it is void. */ | |
1266 | dtype = debug_make_void_type (dhandle); | |
1267 | } | |
1268 | else | |
1269 | { | |
1270 | *pp = hold; | |
1271 | ||
1272 | /* Go back to the number and have parse_stab_type get it. | |
1273 | This means that we can deal with something like | |
1274 | t(1,2)=(3,4)=... which the Lucid compiler uses. */ | |
1ff0de45 ILT |
1275 | dtype = parse_stab_type (dhandle, info, (const char *) NULL, |
1276 | pp, (debug_type **) NULL); | |
e1c14599 ILT |
1277 | if (dtype == DEBUG_TYPE_NULL) |
1278 | return DEBUG_TYPE_NULL; | |
1279 | } | |
1280 | ||
1281 | if (typenums[0] != -1) | |
1282 | { | |
1283 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1284 | return DEBUG_TYPE_NULL; | |
1285 | } | |
1286 | ||
1287 | break; | |
1288 | } | |
1289 | ||
1290 | case '*': | |
1291 | dtype = debug_make_pointer_type (dhandle, | |
1ff0de45 ILT |
1292 | parse_stab_type (dhandle, info, |
1293 | (const char *) NULL, | |
1294 | pp, | |
e1c14599 ILT |
1295 | (debug_type **) NULL)); |
1296 | break; | |
1297 | ||
1298 | case '&': | |
1299 | /* Reference to another type. */ | |
1300 | dtype = (debug_make_reference_type | |
1301 | (dhandle, | |
1ff0de45 ILT |
1302 | parse_stab_type (dhandle, info, (const char *) NULL, pp, |
1303 | (debug_type **) NULL))); | |
e1c14599 ILT |
1304 | break; |
1305 | ||
1306 | case 'f': | |
1307 | /* Function returning another type. */ | |
1308 | /* FIXME: gdb checks os9k_stabs here. */ | |
1309 | dtype = (debug_make_function_type | |
1310 | (dhandle, | |
1ff0de45 ILT |
1311 | parse_stab_type (dhandle, info, (const char *) NULL, pp, |
1312 | (debug_type **) NULL))); | |
e1c14599 ILT |
1313 | break; |
1314 | ||
1315 | case 'k': | |
1316 | /* Const qualifier on some type (Sun). */ | |
1317 | /* FIXME: gdb accepts 'c' here if os9k_stabs. */ | |
1318 | dtype = debug_make_const_type (dhandle, | |
1ff0de45 ILT |
1319 | parse_stab_type (dhandle, info, |
1320 | (const char *) NULL, | |
1321 | pp, | |
e1c14599 ILT |
1322 | (debug_type **) NULL)); |
1323 | break; | |
1324 | ||
1325 | case 'B': | |
1326 | /* Volatile qual on some type (Sun). */ | |
1327 | /* FIXME: gdb accepts 'i' here if os9k_stabs. */ | |
1328 | dtype = (debug_make_volatile_type | |
1329 | (dhandle, | |
1ff0de45 ILT |
1330 | parse_stab_type (dhandle, info, (const char *) NULL, pp, |
1331 | (debug_type **) NULL))); | |
e1c14599 ILT |
1332 | break; |
1333 | ||
1334 | case '@': | |
1335 | /* Offset (class & variable) type. This is used for a pointer | |
1336 | relative to an object. */ | |
1337 | { | |
1338 | debug_type domain; | |
1339 | debug_type memtype; | |
1340 | ||
1341 | /* Member type. */ | |
1342 | ||
1ff0de45 ILT |
1343 | domain = parse_stab_type (dhandle, info, (const char *) NULL, pp, |
1344 | (debug_type **) NULL); | |
e1c14599 ILT |
1345 | if (domain == DEBUG_TYPE_NULL) |
1346 | return DEBUG_TYPE_NULL; | |
1347 | ||
1348 | if (**pp != ',') | |
1349 | { | |
1350 | bad_stab (orig); | |
1351 | return DEBUG_TYPE_NULL; | |
1352 | } | |
1353 | ++*pp; | |
1354 | ||
1ff0de45 ILT |
1355 | memtype = parse_stab_type (dhandle, info, (const char *) NULL, pp, |
1356 | (debug_type **) NULL); | |
e1c14599 ILT |
1357 | if (memtype == DEBUG_TYPE_NULL) |
1358 | return DEBUG_TYPE_NULL; | |
1359 | ||
1360 | dtype = debug_make_offset_type (dhandle, domain, memtype); | |
1361 | } | |
1362 | break; | |
1363 | ||
1364 | case '#': | |
1365 | /* Method (class & fn) type. */ | |
1366 | if (**pp == '#') | |
1367 | { | |
1368 | debug_type return_type; | |
1369 | ||
1370 | ++*pp; | |
1ff0de45 ILT |
1371 | return_type = parse_stab_type (dhandle, info, (const char *) NULL, |
1372 | pp, (debug_type **) NULL); | |
e1c14599 ILT |
1373 | if (return_type == DEBUG_TYPE_NULL) |
1374 | return DEBUG_TYPE_NULL; | |
1375 | if (**pp != ';') | |
1376 | { | |
1377 | bad_stab (orig); | |
1378 | return DEBUG_TYPE_NULL; | |
1379 | } | |
1380 | ++*pp; | |
1381 | dtype = debug_make_method_type (dhandle, return_type, | |
1382 | DEBUG_TYPE_NULL, NULL); | |
1383 | } | |
1384 | else | |
1385 | { | |
1386 | debug_type domain; | |
1387 | debug_type return_type; | |
1388 | debug_type *args; | |
1389 | unsigned int n; | |
1390 | unsigned int alloc; | |
1391 | ||
1ff0de45 ILT |
1392 | domain = parse_stab_type (dhandle, info, (const char *) NULL, |
1393 | pp, (debug_type **) NULL); | |
e1c14599 ILT |
1394 | if (domain == DEBUG_TYPE_NULL) |
1395 | return DEBUG_TYPE_NULL; | |
1396 | ||
1397 | if (**pp != ',') | |
1398 | { | |
1399 | bad_stab (orig); | |
1400 | return DEBUG_TYPE_NULL; | |
1401 | } | |
1402 | ++*pp; | |
1403 | ||
1ff0de45 ILT |
1404 | return_type = parse_stab_type (dhandle, info, (const char *) NULL, |
1405 | pp, (debug_type **) NULL); | |
e1c14599 ILT |
1406 | if (return_type == DEBUG_TYPE_NULL) |
1407 | return DEBUG_TYPE_NULL; | |
1408 | ||
1409 | alloc = 10; | |
1410 | args = (debug_type *) xmalloc (alloc * sizeof *args); | |
1411 | n = 0; | |
1412 | while (**pp != ';') | |
1413 | { | |
1414 | if (**pp != ',') | |
1415 | { | |
1416 | bad_stab (orig); | |
1417 | return DEBUG_TYPE_NULL; | |
1418 | } | |
1419 | ++*pp; | |
1420 | ||
1421 | if (n + 1 >= alloc) | |
1422 | { | |
1423 | alloc += 10; | |
1424 | args = ((debug_type *) | |
1425 | xrealloc ((PTR) args, alloc * sizeof *args)); | |
1426 | } | |
1427 | ||
1ff0de45 ILT |
1428 | args[n] = parse_stab_type (dhandle, info, (const char *) NULL, |
1429 | pp, (debug_type **) NULL); | |
e1c14599 ILT |
1430 | if (args[n] == DEBUG_TYPE_NULL) |
1431 | return DEBUG_TYPE_NULL; | |
1432 | ++n; | |
1433 | } | |
1434 | ++*pp; | |
1435 | ||
1436 | args[n] = DEBUG_TYPE_NULL; | |
1437 | ||
1438 | dtype = debug_make_method_type (dhandle, return_type, domain, args); | |
1439 | } | |
1440 | break; | |
1441 | ||
1442 | case 'r': | |
1443 | /* Range type. */ | |
1ff0de45 | 1444 | dtype = parse_stab_range_type (dhandle, info, typename, pp, typenums); |
e1c14599 ILT |
1445 | break; |
1446 | ||
1447 | case 'b': | |
1448 | /* FIXME: gdb checks os9k_stabs here. */ | |
1449 | /* Sun ACC builtin int type. */ | |
1450 | dtype = parse_stab_sun_builtin_type (dhandle, pp); | |
1451 | break; | |
1452 | ||
1453 | case 'R': | |
1454 | /* Sun ACC builtin float type. */ | |
1455 | dtype = parse_stab_sun_floating_type (dhandle, pp); | |
1456 | break; | |
1457 | ||
1458 | case 'e': | |
1459 | /* Enumeration type. */ | |
1460 | dtype = parse_stab_enum_type (dhandle, pp); | |
1461 | break; | |
1462 | ||
1463 | case 's': | |
1464 | case 'u': | |
1465 | /* Struct or union type. */ | |
1466 | dtype = parse_stab_struct_type (dhandle, info, pp, | |
1467 | descriptor == 's', typenums); | |
1468 | break; | |
1469 | ||
1470 | case 'a': | |
1471 | /* Array type. */ | |
1472 | if (**pp != 'r') | |
1473 | { | |
1474 | bad_stab (orig); | |
1475 | return DEBUG_TYPE_NULL; | |
1476 | } | |
1477 | ++*pp; | |
1478 | ||
1479 | dtype = parse_stab_array_type (dhandle, info, pp, stringp); | |
1480 | break; | |
1481 | ||
1482 | case 'S': | |
1483 | dtype = debug_make_set_type (dhandle, | |
1ff0de45 ILT |
1484 | parse_stab_type (dhandle, info, |
1485 | (const char *) NULL, | |
1486 | pp, | |
e1c14599 ILT |
1487 | (debug_type **) NULL), |
1488 | stringp); | |
1489 | break; | |
1490 | ||
1491 | default: | |
1492 | bad_stab (orig); | |
1493 | return DEBUG_TYPE_NULL; | |
1494 | } | |
1495 | ||
1496 | if (dtype == DEBUG_TYPE_NULL) | |
1497 | return DEBUG_TYPE_NULL; | |
1498 | ||
1499 | if (typenums[0] != -1) | |
1500 | { | |
1501 | if (! stab_record_type (dhandle, info, typenums, dtype)) | |
1502 | return DEBUG_TYPE_NULL; | |
1503 | } | |
1504 | ||
1505 | if (size != -1) | |
1506 | { | |
1507 | if (! debug_record_type_size (dhandle, dtype, (unsigned int) size)) | |
1508 | return false; | |
1509 | } | |
1510 | ||
1511 | return dtype; | |
1512 | } | |
1513 | ||
1514 | /* Read a number by which a type is referred to in dbx data, or | |
1515 | perhaps read a pair (FILENUM, TYPENUM) in parentheses. Just a | |
1516 | single number N is equivalent to (0,N). Return the two numbers by | |
1517 | storing them in the vector TYPENUMS. */ | |
1518 | ||
1519 | static boolean | |
1520 | parse_stab_type_number (pp, typenums) | |
1521 | const char **pp; | |
1522 | int *typenums; | |
1523 | { | |
1524 | const char *orig; | |
1525 | ||
1526 | orig = *pp; | |
1527 | ||
1528 | if (**pp != '(') | |
1529 | { | |
1530 | typenums[0] = 0; | |
1531 | typenums[1] = (int) parse_number (pp, (boolean *) NULL); | |
1532 | } | |
1533 | else | |
1534 | { | |
1535 | ++*pp; | |
1536 | typenums[0] = (int) parse_number (pp, (boolean *) NULL); | |
1537 | if (**pp != ',') | |
1538 | { | |
1539 | bad_stab (orig); | |
1540 | return false; | |
1541 | } | |
1542 | ++*pp; | |
1543 | typenums[1] = (int) parse_number (pp, (boolean *) NULL); | |
1544 | if (**pp != ')') | |
1545 | { | |
1546 | bad_stab (orig); | |
1547 | return false; | |
1548 | } | |
1549 | ++*pp; | |
1550 | } | |
1551 | ||
1552 | return true; | |
1553 | } | |
1554 | ||
1555 | /* Parse a range type. */ | |
1556 | ||
1557 | static debug_type | |
1ff0de45 | 1558 | parse_stab_range_type (dhandle, info, typename, pp, typenums) |
e1c14599 ILT |
1559 | PTR dhandle; |
1560 | struct stab_handle *info; | |
1ff0de45 | 1561 | const char *typename; |
e1c14599 ILT |
1562 | const char **pp; |
1563 | const int *typenums; | |
1564 | { | |
1565 | const char *orig; | |
1566 | int rangenums[2]; | |
1567 | boolean self_subrange; | |
1568 | debug_type index_type; | |
1569 | const char *s2, *s3; | |
1570 | bfd_signed_vma n2, n3; | |
1571 | boolean ov2, ov3; | |
1572 | ||
1573 | orig = *pp; | |
1574 | ||
1575 | index_type = DEBUG_TYPE_NULL; | |
1576 | ||
1577 | /* First comes a type we are a subrange of. | |
1578 | In C it is usually 0, 1 or the type being defined. */ | |
1579 | if (! parse_stab_type_number (pp, rangenums)) | |
1580 | return DEBUG_TYPE_NULL; | |
1581 | ||
1582 | self_subrange = (rangenums[0] == typenums[0] | |
1583 | && rangenums[1] == typenums[1]); | |
1584 | ||
1585 | if (**pp == '=') | |
1586 | { | |
1587 | *pp = orig; | |
1ff0de45 ILT |
1588 | index_type = parse_stab_type (dhandle, info, (const char *) NULL, |
1589 | pp, (debug_type **) NULL); | |
e1c14599 ILT |
1590 | if (index_type == DEBUG_TYPE_NULL) |
1591 | return DEBUG_TYPE_NULL; | |
1592 | } | |
1593 | ||
1594 | if (**pp == ';') | |
1595 | ++*pp; | |
1596 | ||
1597 | /* The remaining two operands are usually lower and upper bounds of | |
1598 | the range. But in some special cases they mean something else. */ | |
1599 | s2 = *pp; | |
1600 | n2 = parse_number (pp, &ov2); | |
1601 | if (**pp != ';') | |
1602 | { | |
1603 | bad_stab (orig); | |
1604 | return DEBUG_TYPE_NULL; | |
1605 | } | |
1606 | ++*pp; | |
1607 | ||
1608 | s3 = *pp; | |
1609 | n3 = parse_number (pp, &ov3); | |
1610 | if (**pp != ';') | |
1611 | { | |
1612 | bad_stab (orig); | |
1613 | return DEBUG_TYPE_NULL; | |
1614 | } | |
1615 | ++*pp; | |
1616 | ||
1617 | if (ov2 || ov3) | |
1618 | { | |
1619 | /* gcc will emit range stabs for long long types. Handle this | |
1620 | as a special case. FIXME: This needs to be more general. */ | |
1621 | #define LLLOW "01000000000000000000000;" | |
1622 | #define LLHIGH "0777777777777777777777;" | |
1623 | #define ULLHIGH "01777777777777777777777;" | |
1624 | if (index_type == DEBUG_TYPE_NULL) | |
1625 | { | |
1626 | if (strncmp (s2, LLLOW, sizeof LLLOW - 1) == 0 | |
1627 | && strncmp (s3, LLHIGH, sizeof LLHIGH - 1) == 0) | |
1628 | return debug_make_int_type (dhandle, 8, false); | |
1629 | if (! ov2 | |
1630 | && n2 == 0 | |
1631 | && strncmp (s3, ULLHIGH, sizeof ULLHIGH - 1) == 0) | |
1632 | return debug_make_int_type (dhandle, 8, true); | |
1633 | } | |
1634 | ||
1635 | warn_stab (orig, "numeric overflow"); | |
1636 | } | |
1637 | ||
1638 | if (index_type == DEBUG_TYPE_NULL) | |
1639 | { | |
1640 | /* A type defined as a subrange of itself, with both bounds 0, | |
1641 | is void. */ | |
1642 | if (self_subrange && n2 == 0 && n3 == 0) | |
1643 | return debug_make_void_type (dhandle); | |
1644 | ||
1645 | /* If n3 is zero and n2 is positive, this is a floating point | |
1646 | type, and n2 is the number of bytes. */ | |
1647 | if (n3 == 0 && n2 > 0) | |
1648 | return debug_make_float_type (dhandle, n2); | |
1649 | ||
1650 | /* If the upper bound is -1, this is an unsigned int. */ | |
1651 | if (n2 == 0 && n3 == -1) | |
1652 | { | |
1ff0de45 ILT |
1653 | /* When gcc is used with -gstabs, but not -gstabs+, it will emit |
1654 | long long int:t6=r1;0;-1; | |
1655 | long long unsigned int:t7=r1;0;-1; | |
1656 | We hack here to handle this reasonably. */ | |
1657 | if (typename != NULL) | |
1658 | { | |
1659 | if (strcmp (typename, "long long int") == 0) | |
1660 | return debug_make_int_type (dhandle, 8, false); | |
1661 | else if (strcmp (typename, "long long unsigned int") == 0) | |
1662 | return debug_make_int_type (dhandle, 8, true); | |
1663 | } | |
e1c14599 ILT |
1664 | /* FIXME: The size here really depends upon the target. */ |
1665 | return debug_make_int_type (dhandle, 4, true); | |
1666 | } | |
1667 | ||
1668 | /* A range of 0 to 127 is char. */ | |
1669 | if (self_subrange && n2 == 0 && n3 == 127) | |
1670 | return debug_make_int_type (dhandle, 1, false); | |
1671 | ||
1672 | /* FIXME: gdb checks for the language CHILL here. */ | |
1673 | ||
1674 | if (n2 == 0) | |
1675 | { | |
1676 | if (n3 < 0) | |
1677 | return debug_make_int_type (dhandle, - n3, true); | |
1678 | else if (n3 == 0xff) | |
1679 | return debug_make_int_type (dhandle, 1, true); | |
1680 | else if (n3 == 0xffff) | |
1681 | return debug_make_int_type (dhandle, 2, true); | |
1682 | /* -1 is used for the upper bound of (4 byte) "unsigned int" | |
1683 | and "unsigned long", and we already checked for that, so | |
1684 | don't need to test for it here. */ | |
1685 | } | |
1686 | else if (n3 == 0 | |
1687 | && n2 < 0 | |
1688 | && (self_subrange || n2 == -8)) | |
1689 | return debug_make_int_type (dhandle, - n2, true); | |
1690 | else if (n2 == - n3 - 1) | |
1691 | { | |
1692 | if (n3 == 0x7f) | |
1693 | return debug_make_int_type (dhandle, 1, false); | |
1694 | else if (n3 == 0x7fff) | |
1695 | return debug_make_int_type (dhandle, 2, false); | |
1696 | else if (n3 == 0x7fffffff) | |
1697 | return debug_make_int_type (dhandle, 4, false); | |
1698 | } | |
1699 | } | |
1700 | ||
1701 | /* At this point I don't have the faintest idea how to deal with a | |
1702 | self_subrange type; I'm going to assume that this is used as an | |
1703 | idiom, and that all of them are special cases. So . . . */ | |
1704 | if (self_subrange) | |
1705 | { | |
1706 | bad_stab (orig); | |
1707 | return DEBUG_TYPE_NULL; | |
1708 | } | |
1709 | ||
1710 | index_type = stab_find_type (dhandle, info, rangenums); | |
1711 | if (index_type == DEBUG_TYPE_NULL) | |
1712 | { | |
1713 | /* Does this actually ever happen? Is that why we are worrying | |
1714 | about dealing with it rather than just calling error_type? */ | |
1715 | warn_stab (orig, "missing index type"); | |
1716 | index_type = debug_make_int_type (dhandle, 4, false); | |
1717 | } | |
1718 | ||
1719 | return debug_make_range_type (dhandle, index_type, n2, n3); | |
1720 | } | |
1721 | ||
1722 | /* Sun's ACC uses a somewhat saner method for specifying the builtin | |
1723 | typedefs in every file (for int, long, etc): | |
1724 | ||
1725 | type = b <signed> <width>; <offset>; <nbits> | |
1726 | signed = u or s. Possible c in addition to u or s (for char?). | |
1727 | offset = offset from high order bit to start bit of type. | |
1728 | width is # bytes in object of this type, nbits is # bits in type. | |
1729 | ||
1730 | The width/offset stuff appears to be for small objects stored in | |
1731 | larger ones (e.g. `shorts' in `int' registers). We ignore it for now, | |
1732 | FIXME. */ | |
1733 | ||
1734 | static debug_type | |
1735 | parse_stab_sun_builtin_type (dhandle, pp) | |
1736 | PTR dhandle; | |
1737 | const char **pp; | |
1738 | { | |
1739 | const char *orig; | |
1740 | boolean unsignedp; | |
1741 | bfd_vma bits; | |
1742 | ||
1743 | orig = *pp; | |
1744 | ||
1745 | switch (**pp) | |
1746 | { | |
1747 | case 's': | |
1748 | unsignedp = false; | |
1749 | break; | |
1750 | case 'u': | |
1751 | unsignedp = true; | |
1752 | break; | |
1753 | default: | |
1754 | bad_stab (orig); | |
1755 | return DEBUG_TYPE_NULL; | |
1756 | } | |
1757 | ++*pp; | |
1758 | ||
1759 | /* For some odd reason, all forms of char put a c here. This is strange | |
1760 | because no other type has this honor. We can safely ignore this because | |
1761 | we actually determine 'char'acterness by the number of bits specified in | |
1762 | the descriptor. */ | |
1763 | if (**pp == 'c') | |
1764 | ++*pp; | |
1765 | ||
1766 | /* The first number appears to be the number of bytes occupied | |
1767 | by this type, except that unsigned short is 4 instead of 2. | |
1768 | Since this information is redundant with the third number, | |
1769 | we will ignore it. */ | |
1770 | (void) parse_number (pp, (boolean *) NULL); | |
1771 | if (**pp != ';') | |
1772 | { | |
1773 | bad_stab (orig); | |
1774 | return DEBUG_TYPE_NULL; | |
1775 | } | |
1776 | ++*pp; | |
1777 | ||
1778 | /* The second number is always 0, so ignore it too. */ | |
1779 | (void) parse_number (pp, (boolean *) NULL); | |
1780 | if (**pp != ';') | |
1781 | { | |
1782 | bad_stab (orig); | |
1783 | return DEBUG_TYPE_NULL; | |
1784 | } | |
1785 | ++*pp; | |
1786 | ||
1787 | /* The third number is the number of bits for this type. */ | |
1788 | bits = parse_number (pp, (boolean *) NULL); | |
1789 | ||
1790 | /* The type *should* end with a semicolon. If it are embedded | |
1791 | in a larger type the semicolon may be the only way to know where | |
1792 | the type ends. If this type is at the end of the stabstring we | |
1793 | can deal with the omitted semicolon (but we don't have to like | |
1794 | it). Don't bother to complain(), Sun's compiler omits the semicolon | |
1795 | for "void". */ | |
1796 | if (**pp == ';') | |
1797 | ++*pp; | |
1798 | ||
1799 | if (bits == 0) | |
1800 | return debug_make_void_type (dhandle); | |
1801 | ||
1802 | return debug_make_int_type (dhandle, bits / 8, unsignedp); | |
1803 | } | |
1804 | ||
1805 | /* Parse a builtin floating type generated by the Sun compiler. */ | |
1806 | ||
1807 | static debug_type | |
1808 | parse_stab_sun_floating_type (dhandle, pp) | |
1809 | PTR dhandle; | |
1810 | const char **pp; | |
1811 | { | |
1812 | const char *orig; | |
1813 | bfd_vma details; | |
1814 | bfd_vma bytes; | |
1815 | ||
1816 | orig = *pp; | |
1817 | ||
1818 | /* The first number has more details about the type, for example | |
1819 | FN_COMPLEX. */ | |
1820 | details = parse_number (pp, (boolean *) NULL); | |
1821 | if (**pp != ';') | |
1822 | { | |
1823 | bad_stab (orig); | |
1824 | return DEBUG_TYPE_NULL; | |
1825 | } | |
1826 | ||
1827 | /* The second number is the number of bytes occupied by this type */ | |
1828 | bytes = parse_number (pp, (boolean *) NULL); | |
1829 | if (**pp != ';') | |
1830 | { | |
1831 | bad_stab (orig); | |
1832 | return DEBUG_TYPE_NULL; | |
1833 | } | |
1834 | ||
1835 | if (details == NF_COMPLEX | |
1836 | || details == NF_COMPLEX16 | |
1837 | || details == NF_COMPLEX32) | |
1838 | return debug_make_complex_type (dhandle, bytes); | |
1839 | ||
1840 | return debug_make_float_type (dhandle, bytes); | |
1841 | } | |
1842 | ||
1843 | /* Handle an enum type. */ | |
1844 | ||
1845 | static debug_type | |
1846 | parse_stab_enum_type (dhandle, pp) | |
1847 | PTR dhandle; | |
1848 | const char **pp; | |
1849 | { | |
1850 | const char *orig; | |
1851 | const char **names; | |
1852 | bfd_signed_vma *values; | |
1853 | unsigned int n; | |
1854 | unsigned int alloc; | |
1855 | ||
1856 | orig = *pp; | |
1857 | ||
1858 | /* FIXME: gdb checks os9k_stabs here. */ | |
1859 | ||
1860 | /* The aix4 compiler emits an extra field before the enum members; | |
1861 | my guess is it's a type of some sort. Just ignore it. */ | |
1862 | if (**pp == '-') | |
1863 | { | |
1864 | while (**pp != ':') | |
1865 | ++*pp; | |
1866 | ++*pp; | |
1867 | } | |
1868 | ||
1869 | /* Read the value-names and their values. | |
1870 | The input syntax is NAME:VALUE,NAME:VALUE, and so on. | |
1871 | A semicolon or comma instead of a NAME means the end. */ | |
1872 | alloc = 10; | |
1873 | names = (const char **) xmalloc (alloc * sizeof *names); | |
1874 | values = (bfd_signed_vma *) xmalloc (alloc * sizeof *values); | |
1875 | n = 0; | |
1876 | while (**pp != '\0' && **pp != ';' && **pp != ',') | |
1877 | { | |
1878 | const char *p; | |
1879 | char *name; | |
1880 | bfd_signed_vma val; | |
1881 | ||
1882 | p = *pp; | |
1883 | while (*p != ':') | |
1884 | ++p; | |
1885 | ||
1886 | name = savestring (*pp, p - *pp); | |
1887 | ||
1888 | *pp = p + 1; | |
1889 | val = (bfd_signed_vma) parse_number (pp, (boolean *) NULL); | |
1890 | if (**pp != ',') | |
1891 | { | |
1892 | bad_stab (orig); | |
1893 | return DEBUG_TYPE_NULL; | |
1894 | } | |
1895 | ++*pp; | |
1896 | ||
1897 | if (n + 1 >= alloc) | |
1898 | { | |
1899 | alloc += 10; | |
1900 | names = ((const char **) | |
1901 | xrealloc ((PTR) names, alloc * sizeof *names)); | |
1902 | values = ((bfd_signed_vma *) | |
1903 | xrealloc ((PTR) values, alloc * sizeof *values)); | |
1904 | } | |
1905 | ||
1906 | names[n] = name; | |
1907 | values[n] = val; | |
1908 | ++n; | |
1909 | } | |
1910 | ||
1911 | names[n] = NULL; | |
1912 | values[n] = 0; | |
1913 | ||
1914 | if (**pp == ';') | |
1915 | ++*pp; | |
1916 | ||
1917 | return debug_make_enum_type (dhandle, names, values); | |
1918 | } | |
1919 | ||
1920 | /* Read the description of a structure (or union type) and return an object | |
1921 | describing the type. | |
1922 | ||
1923 | PP points to a character pointer that points to the next unconsumed token | |
1924 | in the the stabs string. For example, given stabs "A:T4=s4a:1,0,32;;", | |
1925 | *PP will point to "4a:1,0,32;;". */ | |
1926 | ||
1927 | static debug_type | |
1928 | parse_stab_struct_type (dhandle, info, pp, structp, typenums) | |
1929 | PTR dhandle; | |
1930 | struct stab_handle *info; | |
1931 | const char **pp; | |
1932 | boolean structp; | |
1933 | const int *typenums; | |
1934 | { | |
1935 | const char *orig; | |
1936 | bfd_vma size; | |
1937 | debug_baseclass *baseclasses; | |
1938 | debug_field *fields; | |
1939 | boolean statics; | |
1940 | debug_method *methods; | |
1941 | debug_type vptrbase; | |
1942 | boolean ownvptr; | |
1943 | ||
1944 | orig = *pp; | |
1945 | ||
1946 | /* Get the size. */ | |
1947 | size = parse_number (pp, (boolean *) NULL); | |
1948 | ||
1949 | /* Get the other information. */ | |
1950 | if (! parse_stab_baseclasses (dhandle, info, pp, &baseclasses) | |
1951 | || ! parse_stab_struct_fields (dhandle, info, pp, &fields, &statics) | |
1952 | || ! parse_stab_members (dhandle, info, pp, &methods) | |
1953 | || ! parse_stab_tilde_field (dhandle, info, pp, typenums, &vptrbase, | |
1954 | &ownvptr)) | |
1955 | return DEBUG_TYPE_NULL; | |
1956 | ||
1957 | if (! statics | |
1958 | && baseclasses == NULL | |
1959 | && methods == NULL | |
1960 | && vptrbase == DEBUG_TYPE_NULL | |
1961 | && ! ownvptr) | |
1962 | return debug_make_struct_type (dhandle, structp, size, fields); | |
1963 | ||
1964 | return debug_make_object_type (dhandle, structp, size, fields, baseclasses, | |
1965 | methods, vptrbase, ownvptr); | |
1966 | } | |
1967 | ||
1968 | /* The stabs for C++ derived classes contain baseclass information which | |
1969 | is marked by a '!' character after the total size. This function is | |
1970 | called when we encounter the baseclass marker, and slurps up all the | |
1971 | baseclass information. | |
1972 | ||
1973 | Immediately following the '!' marker is the number of base classes that | |
1974 | the class is derived from, followed by information for each base class. | |
1975 | For each base class, there are two visibility specifiers, a bit offset | |
1976 | to the base class information within the derived class, a reference to | |
1977 | the type for the base class, and a terminating semicolon. | |
1978 | ||
1979 | A typical example, with two base classes, would be "!2,020,19;0264,21;". | |
1980 | ^^ ^ ^ ^ ^ ^ ^ | |
1981 | Baseclass information marker __________________|| | | | | | | | |
1982 | Number of baseclasses __________________________| | | | | | | | |
1983 | Visibility specifiers (2) ________________________| | | | | | | |
1984 | Offset in bits from start of class _________________| | | | | | |
1985 | Type number for base class ___________________________| | | | | |
1986 | Visibility specifiers (2) _______________________________| | | | |
1987 | Offset in bits from start of class ________________________| | | |
1988 | Type number of base class ____________________________________| | |
1989 | ||
1990 | Return true for success, false for failure. */ | |
1991 | ||
1992 | static boolean | |
1993 | parse_stab_baseclasses (dhandle, info, pp, retp) | |
1994 | PTR dhandle; | |
1995 | struct stab_handle *info; | |
1996 | const char **pp; | |
1997 | debug_baseclass **retp; | |
1998 | { | |
1999 | const char *orig; | |
2000 | unsigned int c, i; | |
2001 | debug_baseclass *classes; | |
2002 | ||
2003 | *retp = NULL; | |
2004 | ||
2005 | orig = *pp; | |
2006 | ||
2007 | if (**pp != '!') | |
2008 | { | |
2009 | /* No base classes. */ | |
2010 | return true; | |
2011 | } | |
2012 | ++*pp; | |
2013 | ||
2014 | c = (unsigned int) parse_number (pp, (boolean *) NULL); | |
2015 | ||
2016 | if (**pp != ',') | |
2017 | { | |
2018 | bad_stab (orig); | |
2019 | return false; | |
2020 | } | |
2021 | ++*pp; | |
2022 | ||
2023 | classes = (debug_baseclass *) xmalloc ((c + 1) * sizeof (**retp)); | |
2024 | ||
2025 | for (i = 0; i < c; i++) | |
2026 | { | |
2027 | boolean virtual; | |
2028 | enum debug_visibility visibility; | |
2029 | bfd_vma bitpos; | |
2030 | debug_type type; | |
2031 | ||
2032 | switch (**pp) | |
2033 | { | |
2034 | case '0': | |
2035 | virtual = false; | |
2036 | break; | |
2037 | case '1': | |
2038 | virtual = true; | |
2039 | break; | |
2040 | default: | |
2041 | warn_stab (orig, "unknown virtual character for baseclass"); | |
2042 | virtual = false; | |
2043 | break; | |
2044 | } | |
2045 | ++*pp; | |
2046 | ||
2047 | switch (**pp) | |
2048 | { | |
2049 | case '0': | |
2050 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2051 | break; | |
2052 | case '1': | |
2053 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2054 | break; | |
2055 | case '2': | |
2056 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2057 | break; | |
2058 | default: | |
2059 | warn_stab (orig, "unknown visibility character for baseclass"); | |
2060 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2061 | break; | |
2062 | } | |
2063 | ++*pp; | |
2064 | ||
2065 | /* The remaining value is the bit offset of the portion of the | |
2066 | object corresponding to this baseclass. Always zero in the | |
2067 | absence of multiple inheritance. */ | |
2068 | bitpos = parse_number (pp, (boolean *) NULL); | |
2069 | if (**pp != ',') | |
2070 | { | |
2071 | bad_stab (orig); | |
2072 | return false; | |
2073 | } | |
2074 | ++*pp; | |
2075 | ||
1ff0de45 ILT |
2076 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, |
2077 | (debug_type **) NULL); | |
e1c14599 ILT |
2078 | if (type == DEBUG_TYPE_NULL) |
2079 | return false; | |
2080 | ||
2081 | classes[i] = debug_make_baseclass (dhandle, type, bitpos, virtual, | |
2082 | visibility); | |
2083 | if (classes[i] == DEBUG_BASECLASS_NULL) | |
2084 | return false; | |
2085 | ||
2086 | if (**pp != ';') | |
2087 | return false; | |
2088 | ++*pp; | |
2089 | } | |
2090 | ||
2091 | classes[i] = DEBUG_BASECLASS_NULL; | |
2092 | ||
2093 | *retp = classes; | |
2094 | ||
2095 | return true; | |
2096 | } | |
2097 | ||
2098 | /* Read struct or class data fields. They have the form: | |
2099 | ||
2100 | NAME : [VISIBILITY] TYPENUM , BITPOS , BITSIZE ; | |
2101 | ||
2102 | At the end, we see a semicolon instead of a field. | |
2103 | ||
2104 | In C++, this may wind up being NAME:?TYPENUM:PHYSNAME; for | |
2105 | a static field. | |
2106 | ||
2107 | The optional VISIBILITY is one of: | |
2108 | ||
2109 | '/0' (VISIBILITY_PRIVATE) | |
2110 | '/1' (VISIBILITY_PROTECTED) | |
2111 | '/2' (VISIBILITY_PUBLIC) | |
2112 | '/9' (VISIBILITY_IGNORE) | |
2113 | ||
2114 | or nothing, for C style fields with public visibility. | |
2115 | ||
2116 | Returns 1 for success, 0 for failure. */ | |
2117 | ||
2118 | static boolean | |
2119 | parse_stab_struct_fields (dhandle, info, pp, retp, staticsp) | |
2120 | PTR dhandle; | |
2121 | struct stab_handle *info; | |
2122 | const char **pp; | |
2123 | debug_field **retp; | |
2124 | boolean *staticsp; | |
2125 | { | |
2126 | const char *orig; | |
2127 | const char *p; | |
2128 | debug_field *fields; | |
2129 | unsigned int c; | |
2130 | unsigned int alloc; | |
2131 | ||
2132 | *retp = NULL; | |
2133 | *staticsp = false; | |
2134 | ||
2135 | orig = *pp; | |
2136 | ||
2137 | c = 0; | |
2138 | alloc = 10; | |
2139 | fields = (debug_field *) xmalloc (alloc * sizeof *fields); | |
2140 | while (**pp != ';') | |
2141 | { | |
2142 | /* FIXME: gdb checks os9k_stabs here. */ | |
2143 | ||
2144 | p = *pp; | |
2145 | ||
2146 | /* Add 1 to c to leave room for NULL pointer at end. */ | |
2147 | if (c + 1 >= alloc) | |
2148 | { | |
2149 | alloc += 10; | |
2150 | fields = ((debug_field *) | |
2151 | xrealloc ((PTR) fields, alloc * sizeof *fields)); | |
2152 | } | |
2153 | ||
2154 | /* If it starts with CPLUS_MARKER it is a special abbreviation, | |
2155 | unless the CPLUS_MARKER is followed by an underscore, in | |
2156 | which case it is just the name of an anonymous type, which we | |
2157 | should handle like any other type name. We accept either '$' | |
2158 | or '.', because a field name can never contain one of these | |
2159 | characters except as a CPLUS_MARKER. */ | |
2160 | ||
2161 | if ((*p == '$' || *p == '.') && p[1] != '_') | |
2162 | { | |
2163 | ++*pp; | |
2164 | if (! parse_stab_cpp_abbrev (dhandle, info, pp, fields + c)) | |
2165 | return false; | |
2166 | ++c; | |
2167 | continue; | |
2168 | } | |
2169 | ||
2170 | /* Look for the ':' that separates the field name from the field | |
2171 | values. Data members are delimited by a single ':', while member | |
2172 | functions are delimited by a pair of ':'s. When we hit the member | |
2173 | functions (if any), terminate scan loop and return. */ | |
2174 | ||
2175 | p = strchr (p, ':'); | |
2176 | if (p == NULL) | |
2177 | { | |
2178 | bad_stab (orig); | |
2179 | return false; | |
2180 | } | |
2181 | ||
2182 | if (p[1] == ':') | |
2183 | break; | |
2184 | ||
2185 | if (! parse_stab_one_struct_field (dhandle, info, pp, p, fields + c, | |
2186 | staticsp)) | |
2187 | return false; | |
2188 | ||
2189 | ++c; | |
2190 | } | |
2191 | ||
2192 | fields[c] = DEBUG_FIELD_NULL; | |
2193 | ||
2194 | *retp = fields; | |
2195 | ||
2196 | return true; | |
2197 | } | |
2198 | ||
2199 | /* Special GNU C++ name. */ | |
2200 | ||
2201 | static boolean | |
2202 | parse_stab_cpp_abbrev (dhandle, info, pp, retp) | |
2203 | PTR dhandle; | |
2204 | struct stab_handle *info; | |
2205 | const char **pp; | |
2206 | debug_field *retp; | |
2207 | { | |
2208 | const char *orig; | |
2209 | int cpp_abbrev; | |
2210 | debug_type context; | |
2211 | const char *name; | |
2212 | const char *typename; | |
2213 | debug_type type; | |
2214 | bfd_vma bitpos; | |
2215 | ||
2216 | *retp = DEBUG_FIELD_NULL; | |
2217 | ||
2218 | orig = *pp; | |
2219 | ||
2220 | if (**pp != 'v') | |
2221 | { | |
2222 | bad_stab (*pp); | |
2223 | return false; | |
2224 | } | |
2225 | ++*pp; | |
2226 | ||
2227 | cpp_abbrev = **pp; | |
2228 | ++*pp; | |
2229 | ||
2230 | /* At this point, *pp points to something like "22:23=*22...", where | |
2231 | the type number before the ':' is the "context" and everything | |
2232 | after is a regular type definition. Lookup the type, find it's | |
2233 | name, and construct the field name. */ | |
2234 | ||
1ff0de45 ILT |
2235 | context = parse_stab_type (dhandle, info, (const char *) NULL, pp, |
2236 | (debug_type **) NULL); | |
e1c14599 ILT |
2237 | if (context == DEBUG_TYPE_NULL) |
2238 | return false; | |
2239 | ||
2240 | switch (cpp_abbrev) | |
2241 | { | |
2242 | case 'f': | |
2243 | /* $vf -- a virtual function table pointer. */ | |
2244 | name = "_vptr$"; | |
2245 | break; | |
2246 | case 'b': | |
2247 | /* $vb -- a virtual bsomethingorother */ | |
2248 | typename = debug_get_type_name (dhandle, context); | |
2249 | if (typename == NULL) | |
2250 | { | |
2251 | warn_stab (orig, "unnamed $vb type"); | |
2252 | typename = "FOO"; | |
2253 | } | |
2254 | name = concat ("_vb$", typename, (const char *) NULL); | |
2255 | break; | |
2256 | default: | |
2257 | warn_stab (orig, "unrecognized C++ abbreviation"); | |
2258 | name = "INVALID_CPLUSPLUS_ABBREV"; | |
2259 | break; | |
2260 | } | |
2261 | ||
2262 | if (**pp != ':') | |
2263 | { | |
2264 | bad_stab (orig); | |
2265 | return false; | |
2266 | } | |
2267 | ++*pp; | |
2268 | ||
1ff0de45 ILT |
2269 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, |
2270 | (debug_type **) NULL); | |
e1c14599 ILT |
2271 | if (**pp != ',') |
2272 | { | |
2273 | bad_stab (orig); | |
2274 | return false; | |
2275 | } | |
2276 | ++*pp; | |
2277 | ||
2278 | bitpos = parse_number (pp, (boolean *) NULL); | |
2279 | if (**pp != ';') | |
2280 | { | |
2281 | bad_stab (orig); | |
2282 | return false; | |
2283 | } | |
2284 | ++*pp; | |
2285 | ||
2286 | *retp = debug_make_field (dhandle, name, type, bitpos, 0, | |
2287 | DEBUG_VISIBILITY_PRIVATE); | |
2288 | if (*retp == DEBUG_FIELD_NULL) | |
2289 | return false; | |
2290 | ||
2291 | return true; | |
2292 | } | |
2293 | ||
2294 | /* Parse a single field in a struct or union. */ | |
2295 | ||
2296 | static boolean | |
2297 | parse_stab_one_struct_field (dhandle, info, pp, p, retp, staticsp) | |
2298 | PTR dhandle; | |
2299 | struct stab_handle *info; | |
2300 | const char **pp; | |
2301 | const char *p; | |
2302 | debug_field *retp; | |
2303 | boolean *staticsp; | |
2304 | { | |
2305 | const char *orig; | |
2306 | char *name; | |
2307 | enum debug_visibility visibility; | |
2308 | debug_type type; | |
2309 | bfd_vma bitpos; | |
2310 | bfd_vma bitsize; | |
2311 | ||
2312 | orig = *pp; | |
2313 | ||
2314 | /* FIXME: gdb checks ARM_DEMANGLING here. */ | |
2315 | ||
2316 | name = savestring (*pp, p - *pp); | |
2317 | ||
2318 | *pp = p + 1; | |
2319 | ||
2320 | if (**pp != '/') | |
2321 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2322 | else | |
2323 | { | |
2324 | ++*pp; | |
2325 | switch (**pp) | |
2326 | { | |
2327 | case '0': | |
2328 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2329 | break; | |
2330 | case '1': | |
2331 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2332 | break; | |
2333 | case '2': | |
2334 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2335 | break; | |
2336 | default: | |
2337 | warn_stab (orig, "unknown visibility character for field"); | |
2338 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2339 | break; | |
2340 | } | |
2341 | ++*pp; | |
2342 | } | |
2343 | ||
1ff0de45 ILT |
2344 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, |
2345 | (debug_type **) NULL); | |
e1c14599 ILT |
2346 | if (type == DEBUG_TYPE_NULL) |
2347 | return false; | |
2348 | ||
2349 | if (**pp == ':') | |
2350 | { | |
2351 | char *varname; | |
2352 | ||
2353 | /* This is a static class member. */ | |
2354 | ++*pp; | |
2355 | p = strchr (*pp, ';'); | |
2356 | if (p == NULL) | |
2357 | { | |
2358 | bad_stab (orig); | |
2359 | return false; | |
2360 | } | |
2361 | ||
2362 | varname = savestring (*pp, p - *pp); | |
2363 | ||
2364 | *pp = p + 1; | |
2365 | ||
2366 | *retp = debug_make_static_member (dhandle, name, type, varname, | |
2367 | visibility); | |
2368 | *staticsp = true; | |
2369 | ||
2370 | return true; | |
2371 | } | |
2372 | ||
2373 | if (**pp != ',') | |
2374 | { | |
2375 | bad_stab (orig); | |
2376 | return false; | |
2377 | } | |
2378 | ++*pp; | |
2379 | ||
2380 | bitpos = parse_number (pp, (boolean *) NULL); | |
2381 | if (**pp != ',') | |
2382 | { | |
2383 | bad_stab (orig); | |
2384 | return false; | |
2385 | } | |
2386 | ++*pp; | |
2387 | ||
2388 | bitsize = parse_number (pp, (boolean *) NULL); | |
2389 | if (**pp != ';') | |
2390 | { | |
2391 | bad_stab (orig); | |
2392 | return false; | |
2393 | } | |
2394 | ++*pp; | |
2395 | ||
2396 | if (bitpos == 0 && bitsize == 0) | |
2397 | { | |
2398 | /* This can happen in two cases: (1) at least for gcc 2.4.5 or | |
2399 | so, it is a field which has been optimized out. The correct | |
2400 | stab for this case is to use VISIBILITY_IGNORE, but that is a | |
2401 | recent invention. (2) It is a 0-size array. For example | |
2402 | union { int num; char str[0]; } foo. Printing "<no value>" | |
2403 | for str in "p foo" is OK, since foo.str (and thus foo.str[3]) | |
2404 | will continue to work, and a 0-size array as a whole doesn't | |
2405 | have any contents to print. | |
2406 | ||
2407 | I suspect this probably could also happen with gcc -gstabs | |
2408 | (not -gstabs+) for static fields, and perhaps other C++ | |
2409 | extensions. Hopefully few people use -gstabs with gdb, since | |
2410 | it is intended for dbx compatibility. */ | |
2411 | visibility = DEBUG_VISIBILITY_IGNORE; | |
2412 | } | |
2413 | ||
2414 | /* FIXME: gdb does some stuff here to mark fields as unpacked. */ | |
2415 | ||
2416 | *retp = debug_make_field (dhandle, name, type, bitpos, bitsize, visibility); | |
2417 | ||
2418 | return true; | |
2419 | } | |
2420 | ||
2421 | /* Read member function stabs info for C++ classes. The form of each member | |
2422 | function data is: | |
2423 | ||
2424 | NAME :: TYPENUM[=type definition] ARGS : PHYSNAME ; | |
2425 | ||
2426 | An example with two member functions is: | |
2427 | ||
2428 | afunc1::20=##15;:i;2A.;afunc2::20:i;2A.; | |
2429 | ||
2430 | For the case of overloaded operators, the format is op$::*.funcs, where | |
2431 | $ is the CPLUS_MARKER (usually '$'), `*' holds the place for an operator | |
2432 | name (such as `+=') and `.' marks the end of the operator name. */ | |
2433 | ||
2434 | static boolean | |
2435 | parse_stab_members (dhandle, info, pp, retp) | |
2436 | PTR dhandle; | |
2437 | struct stab_handle *info; | |
2438 | const char **pp; | |
2439 | debug_method **retp; | |
2440 | { | |
2441 | const char *orig; | |
2442 | debug_method *methods; | |
2443 | unsigned int c; | |
2444 | unsigned int alloc; | |
2445 | ||
2446 | *retp = NULL; | |
2447 | ||
2448 | orig = *pp; | |
2449 | ||
2450 | alloc = 0; | |
2451 | methods = NULL; | |
2452 | c = 0; | |
2453 | ||
2454 | while (**pp != ';') | |
2455 | { | |
2456 | const char *p; | |
2457 | char *name; | |
2458 | debug_method_variant *variants; | |
2459 | unsigned int cvars; | |
2460 | unsigned int allocvars; | |
2461 | debug_type look_ahead_type; | |
2462 | ||
2463 | p = strchr (*pp, ':'); | |
2464 | if (p == NULL || p[1] != ':') | |
2465 | break; | |
2466 | ||
2467 | /* FIXME: Some systems use something other than '$' here. */ | |
2468 | if ((*pp)[0] != 'o' || (*pp)[1] != 'p' || (*pp)[2] != '$') | |
2469 | { | |
2470 | name = savestring (*pp, p - *pp); | |
2471 | *pp = p + 2; | |
2472 | } | |
2473 | else | |
2474 | { | |
2475 | /* This is a completely wierd case. In order to stuff in the | |
2476 | names that might contain colons (the usual name delimiter), | |
2477 | Mike Tiemann defined a different name format which is | |
2478 | signalled if the identifier is "op$". In that case, the | |
2479 | format is "op$::XXXX." where XXXX is the name. This is | |
2480 | used for names like "+" or "=". YUUUUUUUK! FIXME! */ | |
2481 | *pp = p + 2; | |
2482 | for (p = *pp; *p != '.' && *p != '\0'; p++) | |
2483 | ; | |
2484 | if (*p != '.') | |
2485 | { | |
2486 | bad_stab (orig); | |
2487 | return false; | |
2488 | } | |
2489 | name = savestring (*pp, p - *pp); | |
2490 | *pp = p + 1; | |
2491 | } | |
2492 | ||
2493 | allocvars = 10; | |
2494 | variants = ((debug_method_variant *) | |
2495 | xmalloc (allocvars * sizeof *variants)); | |
2496 | cvars = 0; | |
2497 | ||
2498 | look_ahead_type = DEBUG_TYPE_NULL; | |
2499 | ||
2500 | do | |
2501 | { | |
2502 | debug_type type; | |
2503 | char *argtypes; | |
2504 | enum debug_visibility visibility; | |
2505 | boolean constp, volatilep, staticp; | |
2506 | bfd_vma voffset; | |
2507 | debug_type context; | |
2508 | ||
2509 | if (look_ahead_type != DEBUG_TYPE_NULL) | |
2510 | { | |
2511 | /* g++ version 1 kludge */ | |
2512 | type = look_ahead_type; | |
2513 | look_ahead_type = DEBUG_TYPE_NULL; | |
2514 | } | |
2515 | else | |
2516 | { | |
1ff0de45 ILT |
2517 | type = parse_stab_type (dhandle, info, (const char *) NULL, pp, |
2518 | (debug_type **) NULL); | |
e1c14599 ILT |
2519 | if (type == DEBUG_TYPE_NULL) |
2520 | return false; | |
2521 | if (**pp != ':') | |
2522 | { | |
2523 | bad_stab (orig); | |
2524 | return false; | |
2525 | } | |
2526 | } | |
2527 | ||
2528 | ++*pp; | |
2529 | p = strchr (*pp, ';'); | |
2530 | if (p == NULL) | |
2531 | { | |
2532 | bad_stab (orig); | |
2533 | return false; | |
2534 | } | |
2535 | ||
2536 | /* FIXME: gdb sets is_stub here. */ | |
2537 | ||
2538 | argtypes = savestring (*pp, p - *pp); | |
2539 | *pp = p + 1; | |
2540 | ||
2541 | switch (**pp) | |
2542 | { | |
2543 | case '0': | |
2544 | visibility = DEBUG_VISIBILITY_PRIVATE; | |
2545 | break; | |
2546 | case '1': | |
2547 | visibility = DEBUG_VISIBILITY_PROTECTED; | |
2548 | break; | |
2549 | default: | |
2550 | visibility = DEBUG_VISIBILITY_PUBLIC; | |
2551 | break; | |
2552 | } | |
2553 | ++*pp; | |
2554 | ||
2555 | constp = false; | |
2556 | volatilep = false; | |
2557 | switch (**pp) | |
2558 | { | |
2559 | case 'A': | |
2560 | /* Normal function. */ | |
2561 | ++*pp; | |
2562 | break; | |
2563 | case 'B': | |
2564 | /* const member function. */ | |
2565 | constp = true; | |
2566 | ++*pp; | |
2567 | break; | |
2568 | case 'C': | |
2569 | /* volatile member function. */ | |
2570 | volatilep = true; | |
2571 | ++*pp; | |
2572 | break; | |
2573 | case 'D': | |
2574 | /* const volatile member function. */ | |
2575 | constp = true; | |
2576 | volatilep = true; | |
2577 | ++*pp; | |
2578 | break; | |
2579 | case '*': | |
2580 | case '?': | |
2581 | case '.': | |
2582 | /* File compiled with g++ version 1; no information. */ | |
2583 | break; | |
2584 | default: | |
2585 | warn_stab (orig, "const/volatile indicator missing"); | |
2586 | break; | |
2587 | } | |
2588 | ||
2589 | staticp = false; | |
2590 | switch (**pp) | |
2591 | { | |
2592 | case '*': | |
2593 | /* virtual member function, followed by index. The sign | |
2594 | bit is set to distinguish pointers-to-methods from | |
2595 | virtual function indicies. Since the array is in | |
2596 | words, the quantity must be shifted left by 1 on 16 | |
2597 | bit machine, and by 2 on 32 bit machine, forcing the | |
2598 | sign bit out, and usable as a valid index into the | |
2599 | array. Remove the sign bit here. */ | |
2600 | ++*pp; | |
2601 | voffset = parse_number (pp, (boolean *) NULL); | |
2602 | if (**pp != ';') | |
2603 | { | |
2604 | bad_stab (orig); | |
2605 | return false; | |
2606 | } | |
2607 | ++*pp; | |
2608 | voffset &= 0x7fffffff; | |
2609 | voffset += 2; | |
2610 | ||
2611 | if (**pp == ';' || *pp == '\0') | |
2612 | { | |
2613 | /* Must be g++ version 1. */ | |
2614 | context = DEBUG_TYPE_NULL; | |
2615 | } | |
2616 | else | |
2617 | { | |
2618 | /* Figure out from whence this virtual function | |
2619 | came. It may belong to virtual function table of | |
2620 | one of its baseclasses. */ | |
1ff0de45 ILT |
2621 | look_ahead_type = parse_stab_type (dhandle, info, |
2622 | (const char *) NULL, | |
2623 | pp, | |
e1c14599 ILT |
2624 | (debug_type **) NULL); |
2625 | if (**pp == ':') | |
2626 | { | |
2627 | /* g++ version 1 overloaded methods. */ | |
2628 | } | |
2629 | else | |
2630 | { | |
2631 | context = look_ahead_type; | |
2632 | look_ahead_type = DEBUG_TYPE_NULL; | |
2633 | if (**pp != ';') | |
2634 | { | |
2635 | bad_stab (orig); | |
2636 | return false; | |
2637 | } | |
2638 | ++*pp; | |
2639 | } | |
2640 | } | |
2641 | break; | |
2642 | ||
2643 | case '?': | |
2644 | /* static member function. */ | |
2645 | ++*pp; | |
2646 | staticp = true; | |
2647 | voffset = 0; | |
2648 | /* FIXME: gdb sets is_stub here. */ | |
2649 | context = DEBUG_TYPE_NULL; | |
2650 | break; | |
2651 | ||
2652 | default: | |
2653 | warn_stab (orig, "member function type missing"); | |
2654 | voffset = 0; | |
2655 | context = DEBUG_TYPE_NULL; | |
2656 | break; | |
2657 | ||
2658 | case '.': | |
2659 | ++*pp; | |
2660 | voffset = 0; | |
2661 | context = DEBUG_TYPE_NULL; | |
2662 | break; | |
2663 | } | |
2664 | ||
2665 | if (cvars + 1 >= allocvars) | |
2666 | { | |
2667 | allocvars += 10; | |
2668 | variants = ((debug_method_variant *) | |
2669 | xrealloc ((PTR) variants, | |
2670 | allocvars * sizeof *variants)); | |
2671 | } | |
2672 | ||
2673 | if (! staticp) | |
2674 | variants[cvars] = debug_make_method_variant (dhandle, argtypes, | |
2675 | type, visibility, | |
2676 | constp, volatilep, | |
2677 | voffset, context); | |
2678 | else | |
2679 | variants[cvars] = debug_make_static_method_variant (dhandle, | |
2680 | argtypes, | |
2681 | type, | |
2682 | visibility, | |
2683 | constp, | |
2684 | volatilep); | |
2685 | if (variants[cvars] == DEBUG_METHOD_VARIANT_NULL) | |
2686 | return false; | |
2687 | ||
2688 | ++cvars; | |
2689 | } | |
2690 | while (**pp != ';' && **pp != '\0'); | |
2691 | ||
2692 | variants[cvars] = DEBUG_METHOD_VARIANT_NULL; | |
2693 | ||
2694 | if (**pp != '\0') | |
2695 | ++*pp; | |
2696 | ||
2697 | if (c + 1 >= alloc) | |
2698 | { | |
2699 | alloc += 10; | |
2700 | methods = ((debug_method *) | |
2701 | xrealloc ((PTR) methods, alloc * sizeof *methods)); | |
2702 | } | |
2703 | ||
2704 | methods[c] = debug_make_method (dhandle, name, variants); | |
2705 | ||
2706 | ++c; | |
2707 | } | |
2708 | ||
2709 | if (methods != NULL) | |
2710 | methods[c] = DEBUG_METHOD_NULL; | |
2711 | ||
2712 | *retp = methods; | |
2713 | ||
2714 | return true; | |
2715 | } | |
2716 | ||
2717 | /* The tail end of stabs for C++ classes that contain a virtual function | |
2718 | pointer contains a tilde, a %, and a type number. | |
2719 | The type number refers to the base class (possibly this class itself) which | |
2720 | contains the vtable pointer for the current class. | |
2721 | ||
2722 | This function is called when we have parsed all the method declarations, | |
2723 | so we can look for the vptr base class info. */ | |
2724 | ||
2725 | static boolean | |
2726 | parse_stab_tilde_field (dhandle, info, pp, typenums, retvptrbase, retownvptr) | |
2727 | PTR dhandle; | |
2728 | struct stab_handle *info; | |
2729 | const char **pp; | |
2730 | const int *typenums; | |
2731 | debug_type *retvptrbase; | |
2732 | boolean *retownvptr; | |
2733 | { | |
2734 | const char *orig; | |
2735 | const char *hold; | |
2736 | int vtypenums[2]; | |
2737 | ||
2738 | *retvptrbase = DEBUG_TYPE_NULL; | |
2739 | *retownvptr = false; | |
2740 | ||
2741 | orig = *pp; | |
2742 | ||
2743 | /* If we are positioned at a ';', then skip it. */ | |
2744 | if (**pp == ';') | |
2745 | ++*pp; | |
2746 | ||
2747 | if (**pp != '~') | |
2748 | return true; | |
2749 | ||
2750 | ++*pp; | |
2751 | ||
2752 | if (**pp == '=' || **pp == '+' || **pp == '-') | |
2753 | { | |
2754 | /* Obsolete flags that used to indicate the presence of | |
2755 | constructors and/or destructors. */ | |
2756 | ++*pp; | |
2757 | } | |
2758 | ||
2759 | if (**pp != '%') | |
2760 | return true; | |
2761 | ||
2762 | ++*pp; | |
2763 | ||
2764 | hold = *pp; | |
2765 | ||
2766 | /* The next number is the type number of the base class (possibly | |
2767 | our own class) which supplies the vtable for this class. */ | |
2768 | if (! parse_stab_type_number (pp, vtypenums)) | |
2769 | return false; | |
2770 | ||
2771 | if (vtypenums[0] == typenums[0] | |
2772 | && vtypenums[1] == typenums[1]) | |
2773 | *retownvptr = true; | |
2774 | else | |
2775 | { | |
2776 | debug_type vtype; | |
2777 | const char *p; | |
2778 | ||
2779 | *pp = hold; | |
2780 | ||
1ff0de45 ILT |
2781 | vtype = parse_stab_type (dhandle, info, (const char *) NULL, pp, |
2782 | (debug_type **) NULL); | |
e1c14599 ILT |
2783 | for (p = *pp; *p != ';' && *p != '\0'; p++) |
2784 | ; | |
2785 | if (*p != ';') | |
2786 | { | |
2787 | bad_stab (orig); | |
2788 | return false; | |
2789 | } | |
2790 | ||
2791 | *retvptrbase = vtype; | |
2792 | ||
2793 | *pp = p + 1; | |
2794 | } | |
2795 | ||
2796 | return true; | |
2797 | } | |
2798 | ||
2799 | /* Read a definition of an array type. */ | |
2800 | ||
2801 | static debug_type | |
2802 | parse_stab_array_type (dhandle, info, pp, stringp) | |
2803 | PTR dhandle; | |
2804 | struct stab_handle *info; | |
2805 | const char **pp; | |
2806 | boolean stringp; | |
2807 | { | |
2808 | const char *orig; | |
2809 | debug_type index_type; | |
2810 | boolean adjustable; | |
2811 | bfd_signed_vma lower, upper; | |
2812 | debug_type element_type; | |
2813 | ||
2814 | /* Format of an array type: | |
2815 | "ar<index type>;lower;upper;<array_contents_type>". | |
2816 | OS9000: "arlower,upper;<array_contents_type>". | |
2817 | ||
2818 | Fortran adjustable arrays use Adigits or Tdigits for lower or upper; | |
2819 | for these, produce a type like float[][]. */ | |
2820 | ||
2821 | orig = *pp; | |
2822 | ||
2823 | /* FIXME: gdb checks os9k_stabs here. */ | |
2824 | ||
1ff0de45 ILT |
2825 | index_type = parse_stab_type (dhandle, info, (const char *) NULL, pp, |
2826 | (debug_type **) NULL); | |
e1c14599 ILT |
2827 | if (**pp != ';') |
2828 | { | |
2829 | bad_stab (orig); | |
2830 | return DEBUG_TYPE_NULL; | |
2831 | } | |
2832 | ++*pp; | |
2833 | ||
2834 | adjustable = false; | |
2835 | ||
2836 | if (! isdigit ((unsigned char) **pp) && **pp != '-') | |
2837 | { | |
2838 | ++*pp; | |
2839 | adjustable = true; | |
2840 | } | |
2841 | ||
2842 | lower = (bfd_signed_vma) parse_number (pp, (boolean *) NULL); | |
2843 | if (**pp != ';') | |
2844 | { | |
2845 | bad_stab (orig); | |
2846 | return false; | |
2847 | } | |
2848 | ++*pp; | |
2849 | ||
2850 | if (! isdigit ((unsigned char) **pp) && **pp != '-') | |
2851 | { | |
2852 | ++*pp; | |
2853 | adjustable = true; | |
2854 | } | |
2855 | ||
2856 | upper = (bfd_signed_vma) parse_number (pp, (boolean *) NULL); | |
2857 | if (**pp != ';') | |
2858 | { | |
2859 | bad_stab (orig); | |
2860 | return false; | |
2861 | } | |
2862 | ++*pp; | |
2863 | ||
1ff0de45 ILT |
2864 | element_type = parse_stab_type (dhandle, info, (const char *) NULL, pp, |
2865 | (debug_type **) NULL); | |
e1c14599 ILT |
2866 | if (element_type == DEBUG_TYPE_NULL) |
2867 | return false; | |
2868 | ||
2869 | if (adjustable) | |
2870 | { | |
2871 | lower = 0; | |
2872 | upper = -1; | |
2873 | } | |
2874 | ||
2875 | return debug_make_array_type (dhandle, element_type, index_type, lower, | |
2876 | upper, stringp); | |
2877 | } | |
2878 | ||
2879 | /* Keep a stack of N_BINCL include files. */ | |
2880 | ||
2881 | struct bincl_file | |
2882 | { | |
2883 | struct bincl_file *next; | |
2884 | const char *name; | |
2885 | }; | |
2886 | ||
2887 | /* Start a new N_BINCL file, pushing it onto the stack. */ | |
2888 | ||
2889 | static void | |
2890 | push_bincl (info, name) | |
2891 | struct stab_handle *info; | |
2892 | const char *name; | |
2893 | { | |
2894 | struct bincl_file *n; | |
2895 | ||
2896 | n = (struct bincl_file *) xmalloc (sizeof *n); | |
2897 | n->next = info->bincl_stack; | |
2898 | n->name = name; | |
2899 | info->bincl_stack = n; | |
2900 | ||
2901 | ++info->files; | |
2902 | info->file_types = ((struct stab_types **) | |
2903 | xrealloc ((PTR) info->file_types, | |
2904 | (info->files | |
2905 | * sizeof *info->file_types))); | |
2906 | info->file_types[info->files - 1] = NULL; | |
2907 | } | |
2908 | ||
2909 | /* Finish an N_BINCL file, at an N_EINCL, popping the name off the | |
2910 | stack. */ | |
2911 | ||
2912 | static const char * | |
2913 | pop_bincl (info) | |
2914 | struct stab_handle *info; | |
2915 | { | |
2916 | struct bincl_file *o; | |
2917 | ||
2918 | o = info->bincl_stack; | |
2919 | if (o == NULL) | |
2920 | return info->main_filename; | |
2921 | info->bincl_stack = o->next; | |
2922 | free (o); | |
2923 | if (info->bincl_stack == NULL) | |
2924 | return info->main_filename; | |
2925 | return info->bincl_stack->name; | |
2926 | } | |
2927 | ||
2928 | /* Handle a variable definition. gcc emits variable definitions for a | |
2929 | block before the N_LBRAC, so we must hold onto them until we see | |
2930 | it. The SunPRO compiler emits variable definitions after the | |
2931 | N_LBRAC, so we can call debug_record_variable immediately. */ | |
2932 | ||
2933 | static boolean | |
2934 | stab_record_variable (dhandle, info, name, type, kind, val) | |
2935 | PTR dhandle; | |
2936 | struct stab_handle *info; | |
2937 | const char *name; | |
2938 | debug_type type; | |
2939 | enum debug_var_kind kind; | |
2940 | bfd_vma val; | |
2941 | { | |
2942 | struct stab_pending_var *v; | |
2943 | ||
2944 | if (! info->within_function | |
2945 | || (info->gcc_compiled == 0 && info->n_opt_found)) | |
2946 | return debug_record_variable (dhandle, name, type, kind, val); | |
2947 | ||
2948 | v = (struct stab_pending_var *) xmalloc (sizeof *v); | |
2949 | memset (v, 0, sizeof *v); | |
2950 | ||
2951 | v->next = info->pending; | |
2952 | v->name = name; | |
2953 | v->type = type; | |
2954 | v->kind = kind; | |
2955 | v->val = val; | |
2956 | info->pending = v; | |
2957 | ||
2958 | return true; | |
2959 | } | |
2960 | ||
2961 | /* Emit pending variable definitions. This is called after we see the | |
2962 | N_LBRAC that starts the block. */ | |
2963 | ||
2964 | static boolean | |
2965 | stab_emit_pending_vars (dhandle, info) | |
2966 | PTR dhandle; | |
2967 | struct stab_handle *info; | |
2968 | { | |
2969 | struct stab_pending_var *v; | |
2970 | ||
2971 | v = info->pending; | |
2972 | while (v != NULL) | |
2973 | { | |
2974 | struct stab_pending_var *next; | |
2975 | ||
2976 | if (! debug_record_variable (dhandle, v->name, v->type, v->kind, v->val)) | |
2977 | return false; | |
2978 | ||
2979 | next = v->next; | |
2980 | free (v); | |
2981 | v = next; | |
2982 | } | |
2983 | ||
2984 | info->pending = NULL; | |
2985 | ||
2986 | return true; | |
2987 | } | |
2988 | ||
2989 | /* Find the slot for a type in the database. */ | |
2990 | ||
2991 | static debug_type * | |
2992 | stab_find_slot (info, typenums) | |
2993 | struct stab_handle *info; | |
2994 | const int *typenums; | |
2995 | { | |
2996 | int filenum; | |
2997 | int index; | |
2998 | struct stab_types **ps; | |
2999 | ||
3000 | filenum = typenums[0]; | |
3001 | index = typenums[1]; | |
3002 | ||
3003 | if (filenum < 0 || (unsigned int) filenum >= info->files) | |
3004 | { | |
3005 | fprintf (stderr, "Type file number %d out of range\n", filenum); | |
3006 | return NULL; | |
3007 | } | |
3008 | if (index < 0) | |
3009 | { | |
3010 | fprintf (stderr, "Type index number %d out of range\n", index); | |
3011 | return NULL; | |
3012 | } | |
3013 | ||
3014 | ps = info->file_types + filenum; | |
3015 | ||
3016 | while (index >= STAB_TYPES_SLOTS) | |
3017 | { | |
3018 | if (*ps == NULL) | |
3019 | { | |
3020 | *ps = (struct stab_types *) xmalloc (sizeof **ps); | |
3021 | memset (*ps, 0, sizeof **ps); | |
3022 | } | |
3023 | ps = &(*ps)->next; | |
3024 | index -= STAB_TYPES_SLOTS; | |
3025 | } | |
3026 | if (*ps == NULL) | |
3027 | { | |
3028 | *ps = (struct stab_types *) xmalloc (sizeof **ps); | |
3029 | memset (*ps, 0, sizeof **ps); | |
3030 | } | |
3031 | ||
3032 | return (*ps)->types + index; | |
3033 | } | |
3034 | ||
3035 | /* Find a type given a type number. If the type has not been | |
3036 | allocated yet, create an indirect type. */ | |
3037 | ||
3038 | static debug_type | |
3039 | stab_find_type (dhandle, info, typenums) | |
3040 | PTR dhandle; | |
3041 | struct stab_handle *info; | |
3042 | const int *typenums; | |
3043 | { | |
3044 | debug_type *slot; | |
3045 | ||
3046 | if (typenums[0] == 0 && typenums[1] < 0) | |
3047 | { | |
3048 | /* A negative type number indicates an XCOFF builtin type. */ | |
3049 | return stab_xcoff_builtin_type (dhandle, info, typenums[1]); | |
3050 | } | |
3051 | ||
3052 | slot = stab_find_slot (info, typenums); | |
3053 | if (slot == NULL) | |
3054 | return DEBUG_TYPE_NULL; | |
3055 | ||
3056 | if (*slot == DEBUG_TYPE_NULL) | |
3057 | return debug_make_indirect_type (dhandle, slot, (const char *) NULL); | |
3058 | ||
3059 | return *slot; | |
3060 | } | |
3061 | ||
3062 | /* Record that a given type number refers to a given type. */ | |
3063 | ||
3064 | static boolean | |
3065 | stab_record_type (dhandle, info, typenums, type) | |
3066 | PTR dhandle; | |
3067 | struct stab_handle *info; | |
3068 | const int *typenums; | |
3069 | debug_type type; | |
3070 | { | |
3071 | debug_type *slot; | |
3072 | ||
3073 | slot = stab_find_slot (info, typenums); | |
3074 | if (slot == NULL) | |
3075 | return false; | |
3076 | ||
3077 | /* gdb appears to ignore type redefinitions, so we do as well. */ | |
3078 | ||
3079 | *slot = type; | |
3080 | ||
3081 | return true; | |
3082 | } | |
3083 | ||
3084 | /* Return an XCOFF builtin type. */ | |
3085 | ||
3086 | static debug_type | |
3087 | stab_xcoff_builtin_type (dhandle, info, typenum) | |
3088 | PTR dhandle; | |
3089 | struct stab_handle *info; | |
3090 | int typenum; | |
3091 | { | |
3092 | debug_type rettype; | |
3093 | const char *name; | |
3094 | ||
3095 | if (typenum >= 0 || typenum < -XCOFF_TYPE_COUNT) | |
3096 | { | |
3097 | fprintf (stderr, "Unrecognized XCOFF type %d\n", typenum); | |
3098 | return DEBUG_TYPE_NULL; | |
3099 | } | |
3100 | if (info->xcoff_types[-typenum] != NULL) | |
3101 | return info->xcoff_types[-typenum]; | |
3102 | ||
3103 | switch (-typenum) | |
3104 | { | |
3105 | case 1: | |
3106 | /* The size of this and all the other types are fixed, defined | |
3107 | by the debugging format. */ | |
3108 | name = "int"; | |
3109 | rettype = debug_make_int_type (dhandle, 4, false); | |
3110 | break; | |
3111 | case 2: | |
3112 | name = "char"; | |
3113 | rettype = debug_make_int_type (dhandle, 1, false); | |
3114 | break; | |
3115 | case 3: | |
3116 | name = "short"; | |
3117 | rettype = debug_make_int_type (dhandle, 2, false); | |
3118 | break; | |
3119 | case 4: | |
3120 | name = "long"; | |
3121 | rettype = debug_make_int_type (dhandle, 4, false); | |
3122 | break; | |
3123 | case 5: | |
3124 | name = "unsigned char"; | |
3125 | rettype = debug_make_int_type (dhandle, 1, true); | |
3126 | break; | |
3127 | case 6: | |
3128 | name = "signed char"; | |
3129 | rettype = debug_make_int_type (dhandle, 1, false); | |
3130 | break; | |
3131 | case 7: | |
3132 | name = "unsigned short"; | |
3133 | rettype = debug_make_int_type (dhandle, 2, true); | |
3134 | break; | |
3135 | case 8: | |
3136 | name = "unsigned int"; | |
3137 | rettype = debug_make_int_type (dhandle, 4, true); | |
3138 | break; | |
3139 | case 9: | |
3140 | name = "unsigned"; | |
3141 | rettype = debug_make_int_type (dhandle, 4, true); | |
3142 | case 10: | |
3143 | name = "unsigned long"; | |
3144 | rettype = debug_make_int_type (dhandle, 4, true); | |
3145 | break; | |
3146 | case 11: | |
3147 | name = "void"; | |
3148 | rettype = debug_make_void_type (dhandle); | |
3149 | break; | |
3150 | case 12: | |
3151 | /* IEEE single precision (32 bit). */ | |
3152 | name = "float"; | |
3153 | rettype = debug_make_float_type (dhandle, 4); | |
3154 | break; | |
3155 | case 13: | |
3156 | /* IEEE double precision (64 bit). */ | |
3157 | name = "double"; | |
3158 | rettype = debug_make_float_type (dhandle, 8); | |
3159 | break; | |
3160 | case 14: | |
3161 | /* This is an IEEE double on the RS/6000, and different machines | |
3162 | with different sizes for "long double" should use different | |
3163 | negative type numbers. See stabs.texinfo. */ | |
3164 | name = "long double"; | |
3165 | rettype = debug_make_float_type (dhandle, 8); | |
3166 | break; | |
3167 | case 15: | |
3168 | name = "integer"; | |
3169 | rettype = debug_make_int_type (dhandle, 4, false); | |
3170 | break; | |
3171 | case 16: | |
3172 | name = "boolean"; | |
3173 | rettype = debug_make_bool_type (dhandle, 4); | |
3174 | break; | |
3175 | case 17: | |
3176 | name = "short real"; | |
3177 | rettype = debug_make_float_type (dhandle, 4); | |
3178 | break; | |
3179 | case 18: | |
3180 | name = "real"; | |
3181 | rettype = debug_make_float_type (dhandle, 8); | |
3182 | break; | |
3183 | case 19: | |
3184 | /* FIXME */ | |
3185 | name = "stringptr"; | |
3186 | rettype = NULL; | |
3187 | break; | |
3188 | case 20: | |
3189 | /* FIXME */ | |
3190 | name = "character"; | |
3191 | rettype = debug_make_int_type (dhandle, 1, true); | |
3192 | break; | |
3193 | case 21: | |
3194 | name = "logical*1"; | |
3195 | rettype = debug_make_bool_type (dhandle, 1); | |
3196 | break; | |
3197 | case 22: | |
3198 | name = "logical*2"; | |
3199 | rettype = debug_make_bool_type (dhandle, 2); | |
3200 | break; | |
3201 | case 23: | |
3202 | name = "logical*4"; | |
3203 | rettype = debug_make_bool_type (dhandle, 4); | |
3204 | break; | |
3205 | case 24: | |
3206 | name = "logical"; | |
3207 | rettype = debug_make_bool_type (dhandle, 4); | |
3208 | break; | |
3209 | case 25: | |
3210 | /* Complex type consisting of two IEEE single precision values. */ | |
3211 | name = "complex"; | |
3212 | rettype = debug_make_complex_type (dhandle, 8); | |
3213 | break; | |
3214 | case 26: | |
3215 | /* Complex type consisting of two IEEE double precision values. */ | |
3216 | name = "double complex"; | |
3217 | rettype = debug_make_complex_type (dhandle, 16); | |
3218 | break; | |
3219 | case 27: | |
3220 | name = "integer*1"; | |
3221 | rettype = debug_make_int_type (dhandle, 1, false); | |
3222 | break; | |
3223 | case 28: | |
3224 | name = "integer*2"; | |
3225 | rettype = debug_make_int_type (dhandle, 2, false); | |
3226 | break; | |
3227 | case 29: | |
3228 | name = "integer*4"; | |
3229 | rettype = debug_make_int_type (dhandle, 4, false); | |
3230 | break; | |
3231 | case 30: | |
3232 | /* FIXME */ | |
3233 | name = "wchar"; | |
3234 | rettype = debug_make_int_type (dhandle, 2, false); | |
3235 | break; | |
3236 | case 31: | |
3237 | name = "long long"; | |
3238 | rettype = debug_make_int_type (dhandle, 8, false); | |
3239 | break; | |
3240 | case 32: | |
3241 | name = "unsigned long long"; | |
3242 | rettype = debug_make_int_type (dhandle, 8, true); | |
3243 | break; | |
3244 | case 33: | |
3245 | name = "logical*8"; | |
3246 | rettype = debug_make_bool_type (dhandle, 8); | |
3247 | break; | |
3248 | case 34: | |
3249 | name = "integer*8"; | |
3250 | rettype = debug_make_int_type (dhandle, 8, false); | |
3251 | break; | |
3252 | default: | |
3253 | abort (); | |
3254 | } | |
3255 | ||
3256 | rettype = debug_name_type (dhandle, name, rettype); | |
3257 | ||
3258 | info->xcoff_types[-typenum] = rettype; | |
3259 | ||
3260 | return rettype; | |
3261 | } |