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252b5132 1/* wrstabs.c -- Output stabs debugging information
3db64b00 2 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2006, 2007
b34976b6 3 Free Software Foundation, Inc.
252b5132
RH		 4 Written by Ian Lance Taylor <ian@cygnus.com>.
5
6 This file is part of GNU Binutils.
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
32866df7 10 the Free Software Foundation; either version 3 of the License, or
252b5132
RH		 11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
b43b5d5f
NC		 20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
21 02110-1301, USA. */
252b5132
RH		 22
23/* This file contains code which writes out stabs debugging
24 information. */
25
3db64b00 26#include "sysdep.h"
252b5132 27#include <assert.h>
252b5132 28#include "bfd.h"
252b5132 29#include "libiberty.h"
3882b010 30#include "safe-ctype.h"
3db64b00 31#include "bucomm.h"
252b5132
RH		 32#include "debug.h"
33#include "budbg.h"
252b5132
RH		 34#include "aout/aout64.h"
35#include "aout/stab_gnu.h"
36
37/* The size of a stabs symbol. This presumes 32 bit values. */
38
39#define STAB_SYMBOL_SIZE (12)
40
41/* An entry in a string hash table. */
42
43struct string_hash_entry
44{
45 struct bfd_hash_entry root;
46 /* Next string in this table. */
47 struct string_hash_entry *next;
48 /* Index in string table. */
49 long index;
50 /* Size of type if this is a typedef. */
51 unsigned int size;
52};
53
54/* A string hash table. */
55
56struct string_hash_table
57{
58 struct bfd_hash_table table;
59};
60
61/* The type stack. Each element on the stack is a string. */
62
63struct stab_type_stack
64{
65 /* The next element on the stack. */
66 struct stab_type_stack *next;
67 /* This element as a string. */
68 char *string;
69 /* The type index of this element. */
70 long index;
71 /* The size of the type. */
72 unsigned int size;
73 /* Whether type string defines a new type. */
b34976b6 74 bfd_boolean definition;
252b5132
RH		 75 /* String defining struct fields. */
76 char *fields;
77 /* NULL terminated array of strings defining base classes for a
78 class. */
79 char **baseclasses;
80 /* String defining class methods. */
81 char *methods;
82 /* String defining vtable pointer for a class. */
83 char *vtable;
84};
85
86/* This structure is used to keep track of type indices for tagged
87 types. */
88
89struct stab_tag
90{
91 /* The type index. */
92 long index;
93 /* The tag name. */
94 const char *tag;
95 /* The kind of type. This is set to DEBUG_KIND_ILLEGAL when the
96 type is defined. */
97 enum debug_type_kind kind;
98 /* The size of the struct. */
99 unsigned int size;
100};
101
102/* We remember various sorts of type indices. They are not related,
103 but, for convenience, we keep all the information in this
104 structure. */
105
106struct stab_type_cache
107{
108 /* The void type index. */
109 long void_type;
110 /* Signed integer type indices, indexed by size - 1. */
111 long signed_integer_types[8];
112 /* Unsigned integer type indices, indexed by size - 1. */
113 long unsigned_integer_types[8];
114 /* Floating point types, indexed by size - 1. */
115 long float_types[16];
116 /* Pointers to types, indexed by the type index. */
117 long *pointer_types;
118 size_t pointer_types_alloc;
119 /* Functions returning types, indexed by the type index. */
120 long *function_types;
121 size_t function_types_alloc;
122 /* References to types, indexed by the type index. */
123 long *reference_types;
124 size_t reference_types_alloc;
125 /* Struct/union/class type indices, indexed by the struct id. */
126 struct stab_tag *struct_types;
127 size_t struct_types_alloc;
128};
129
130/* This is the handle passed through debug_write. */
131
132struct stab_write_handle
133{
134 /* The BFD. */
135 bfd *abfd;
136 /* This buffer holds the symbols. */
137 bfd_byte *symbols;
138 size_t symbols_size;
139 size_t symbols_alloc;
140 /* This is a list of hash table entries for the strings. */
141 struct string_hash_entry *strings;
142 /* The last string hash table entry. */
143 struct string_hash_entry *last_string;
144 /* The size of the strings. */
145 size_t strings_size;
146 /* This hash table eliminates duplicate strings. */
147 struct string_hash_table strhash;
148 /* The type stack. */
149 struct stab_type_stack *type_stack;
150 /* The next type index. */
151 long type_index;
152 /* The type cache. */
153 struct stab_type_cache type_cache;
154 /* A mapping from typedef names to type indices. */
155 struct string_hash_table typedef_hash;
156 /* If this is not -1, it is the offset to the most recent N_SO
157 symbol, and the value of that symbol needs to be set. */
158 long so_offset;
159 /* If this is not -1, it is the offset to the most recent N_FUN
160 symbol, and the value of that symbol needs to be set. */
161 long fun_offset;
162 /* The last text section address seen. */
163 bfd_vma last_text_address;
164 /* The block nesting depth. */
165 unsigned int nesting;
166 /* The function address. */
167 bfd_vma fnaddr;
168 /* A pending LBRAC symbol. */
169 bfd_vma pending_lbrac;
170 /* The current line number file name. */
171 const char *lineno_filename;
172};
173
174static struct bfd_hash_entry *string_hash_newfunc
2da42df6 175 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
b34976b6 176static bfd_boolean stab_write_symbol
2da42df6 177 (struct stab_write_handle *, int, int, bfd_vma, const char *);
b34976b6 178static bfd_boolean stab_push_string
2da42df6 179 (struct stab_write_handle *, const char *, long, bfd_boolean, unsigned int);
b34976b6 180static bfd_boolean stab_push_defined_type
2da42df6
AJ		 181 (struct stab_write_handle *, long, unsigned int);
182static char *stab_pop_type (struct stab_write_handle *);
b34976b6 183static bfd_boolean stab_modify_type
2da42df6 184 (struct stab_write_handle *, int, unsigned int, long **, size_t *);
252b5132 185static long stab_get_struct_index
2da42df6
AJ		 186 (struct stab_write_handle *, const char *, unsigned int,
187 enum debug_type_kind, unsigned int *);
b34976b6 188static bfd_boolean stab_class_method_var
2da42df6
AJ		 189 (struct stab_write_handle *, const char *, enum debug_visibility,
190 bfd_boolean, bfd_boolean, bfd_boolean, bfd_vma, bfd_boolean);
191static bfd_boolean stab_start_compilation_unit (void *, const char *);
192static bfd_boolean stab_start_source (void *, const char *);
193static bfd_boolean stab_empty_type (void *);
194static bfd_boolean stab_void_type (void *);
195static bfd_boolean stab_int_type (void *, unsigned int, bfd_boolean);
196static bfd_boolean stab_float_type (void *, unsigned int);
197static bfd_boolean stab_complex_type (void *, unsigned int);
198static bfd_boolean stab_bool_type (void *, unsigned int);
b34976b6 199static bfd_boolean stab_enum_type
2da42df6
AJ		 200 (void *, const char *, const char **, bfd_signed_vma *);
201static bfd_boolean stab_pointer_type (void *);
202static bfd_boolean stab_function_type (void *, int, bfd_boolean);
203static bfd_boolean stab_reference_type (void *);
204static bfd_boolean stab_range_type (void *, bfd_signed_vma, bfd_signed_vma);
b34976b6 205static bfd_boolean stab_array_type
2da42df6
AJ		 206 (void *, bfd_signed_vma, bfd_signed_vma, bfd_boolean);
207static bfd_boolean stab_set_type (void *, bfd_boolean);
208static bfd_boolean stab_offset_type (void *);
209static bfd_boolean stab_method_type (void *, bfd_boolean, int, bfd_boolean);
210static bfd_boolean stab_const_type (void *);
211static bfd_boolean stab_volatile_type (void *);
b34976b6 212static bfd_boolean stab_start_struct_type
2da42df6 213 (void *, const char *, unsigned int, bfd_boolean, unsigned int);
b34976b6 214static bfd_boolean stab_struct_field
2da42df6
AJ		 215 (void *, const char *, bfd_vma, bfd_vma, enum debug_visibility);
216static bfd_boolean stab_end_struct_type (void *);
b34976b6 217static bfd_boolean stab_start_class_type
2da42df6
AJ		 218 (void *, const char *, unsigned int, bfd_boolean, unsigned int,
219 bfd_boolean, bfd_boolean);
b34976b6 220static bfd_boolean stab_class_static_member
2da42df6 221 (void *, const char *, const char *, enum debug_visibility);
b34976b6 222static bfd_boolean stab_class_baseclass
2da42df6
AJ		 223 (void *, bfd_vma, bfd_boolean, enum debug_visibility);
224static bfd_boolean stab_class_start_method (void *, const char *);
b34976b6 225static bfd_boolean stab_class_method_variant
2da42df6
AJ		 226 (void *, const char *, enum debug_visibility, bfd_boolean, bfd_boolean,
227 bfd_vma, bfd_boolean);
b34976b6 228static bfd_boolean stab_class_static_method_variant
2da42df6
AJ		 229 (void *, const char *, enum debug_visibility, bfd_boolean, bfd_boolean);
230static bfd_boolean stab_class_end_method (void *);
231static bfd_boolean stab_end_class_type (void *);
232static bfd_boolean stab_typedef_type (void *, const char *);
b34976b6 233static bfd_boolean stab_tag_type
2da42df6
AJ		 234 (void *, const char *, unsigned int, enum debug_type_kind);
235static bfd_boolean stab_typdef (void *, const char *);
236static bfd_boolean stab_tag (void *, const char *);
237static bfd_boolean stab_int_constant (void *, const char *, bfd_vma);
238static bfd_boolean stab_float_constant (void *, const char *, double);
239static bfd_boolean stab_typed_constant (void *, const char *, bfd_vma);
b34976b6 240static bfd_boolean stab_variable
2da42df6
AJ		 241 (void *, const char *, enum debug_var_kind, bfd_vma);
242static bfd_boolean stab_start_function (void *, const char *, bfd_boolean);
b34976b6 243static bfd_boolean stab_function_parameter
2da42df6
AJ		 244 (void *, const char *, enum debug_parm_kind, bfd_vma);
245static bfd_boolean stab_start_block (void *, bfd_vma);
246static bfd_boolean stab_end_block (void *, bfd_vma);
247static bfd_boolean stab_end_function (void *);
248static bfd_boolean stab_lineno (void *, const char *, unsigned long, bfd_vma);
252b5132
RH		 249
250static const struct debug_write_fns stab_fns =
251{
252 stab_start_compilation_unit,
253 stab_start_source,
254 stab_empty_type,
255 stab_void_type,
256 stab_int_type,
257 stab_float_type,
258 stab_complex_type,
259 stab_bool_type,
260 stab_enum_type,
261 stab_pointer_type,
262 stab_function_type,
263 stab_reference_type,
264 stab_range_type,
265 stab_array_type,
266 stab_set_type,
267 stab_offset_type,
268 stab_method_type,
269 stab_const_type,
270 stab_volatile_type,
271 stab_start_struct_type,
272 stab_struct_field,
273 stab_end_struct_type,
274 stab_start_class_type,
275 stab_class_static_member,
276 stab_class_baseclass,
277 stab_class_start_method,
278 stab_class_method_variant,
279 stab_class_static_method_variant,
280 stab_class_end_method,
281 stab_end_class_type,
282 stab_typedef_type,
283 stab_tag_type,
284 stab_typdef,
285 stab_tag,
286 stab_int_constant,
287 stab_float_constant,
288 stab_typed_constant,
289 stab_variable,
290 stab_start_function,
291 stab_function_parameter,
292 stab_start_block,
293 stab_end_block,
294 stab_end_function,
295 stab_lineno
296};
297\f
298/* Routine to create an entry in a string hash table. */
299
300static struct bfd_hash_entry *
2da42df6
AJ		 301string_hash_newfunc (struct bfd_hash_entry *entry,
302 struct bfd_hash_table *table, const char *string)
252b5132
RH		 303{
304 struct string_hash_entry *ret = (struct string_hash_entry *) entry;
305
306 /* Allocate the structure if it has not already been allocated by a
307 subclass. */
308 if (ret == (struct string_hash_entry *) NULL)
309 ret = ((struct string_hash_entry *)
310 bfd_hash_allocate (table, sizeof (struct string_hash_entry)));
311 if (ret == (struct string_hash_entry *) NULL)
312 return NULL;
313
314 /* Call the allocation method of the superclass. */
315 ret = ((struct string_hash_entry *)
316 bfd_hash_newfunc ((struct bfd_hash_entry *) ret, table, string));
317
318 if (ret)
319 {
320 /* Initialize the local fields. */
321 ret->next = NULL;
322 ret->index = -1;
323 ret->size = 0;
324 }
325
326 return (struct bfd_hash_entry *) ret;
327}
328
329/* Look up an entry in a string hash table. */
330
331#define string_hash_lookup(t, string, create, copy) \
332 ((struct string_hash_entry *) \
333 bfd_hash_lookup (&(t)->table, (string), (create), (copy)))
334
335/* Add a symbol to the stabs debugging information we are building. */
336
b34976b6 337static bfd_boolean
2da42df6
AJ		 338stab_write_symbol (struct stab_write_handle *info, int type, int desc,
339 bfd_vma value, const char *string)
252b5132
RH		 340{
341 bfd_size_type strx;
342 bfd_byte sym[STAB_SYMBOL_SIZE];
343
344 if (string == NULL)
345 strx = 0;
346 else
347 {
348 struct string_hash_entry *h;
349
b34976b6 350 h = string_hash_lookup (&info->strhash, string, TRUE, TRUE);
252b5132
RH		 351 if (h == NULL)
352 {
37cc8ec1
AM		 353 non_fatal (_("string_hash_lookup failed: %s"),
354 bfd_errmsg (bfd_get_error ()));
b34976b6 355 return FALSE;
252b5132
RH		 356 }
357 if (h->index != -1)
358 strx = h->index;
359 else
360 {
361 strx = info->strings_size;
362 h->index = strx;
363 if (info->last_string == NULL)
364 info->strings = h;
365 else
366 info->last_string->next = h;
367 info->last_string = h;
368 info->strings_size += strlen (string) + 1;
369 }
370 }
371
372 /* This presumes 32 bit values. */
373 bfd_put_32 (info->abfd, strx, sym);
374 bfd_put_8 (info->abfd, type, sym + 4);
375 bfd_put_8 (info->abfd, 0, sym + 5);
376 bfd_put_16 (info->abfd, desc, sym + 6);
377 bfd_put_32 (info->abfd, value, sym + 8);
378
379 if (info->symbols_size + STAB_SYMBOL_SIZE > info->symbols_alloc)
380 {
381 info->symbols_alloc *= 2;
382 info->symbols = (bfd_byte *) xrealloc (info->symbols,
383 info->symbols_alloc);
384 }
385
386 memcpy (info->symbols + info->symbols_size, sym, STAB_SYMBOL_SIZE);
387
388 info->symbols_size += STAB_SYMBOL_SIZE;
389
b34976b6 390 return TRUE;
252b5132
RH		 391}
392
393/* Push a string on to the type stack. */
394
b34976b6 395static bfd_boolean
2da42df6
AJ		 396stab_push_string (struct stab_write_handle *info, const char *string,
397 long index, bfd_boolean definition, unsigned int size)
252b5132
RH		 398{
399 struct stab_type_stack *s;
400
401 s = (struct stab_type_stack *) xmalloc (sizeof *s);
402 s->string = xstrdup (string);
403 s->index = index;
404 s->definition = definition;
405 s->size = size;
406
407 s->fields = NULL;
408 s->baseclasses = NULL;
409 s->methods = NULL;
410 s->vtable = NULL;
411
412 s->next = info->type_stack;
413 info->type_stack = s;
414
b34976b6 415 return TRUE;
252b5132
RH		 416}
417
418/* Push a type index which has already been defined. */
419
b34976b6 420static bfd_boolean
2da42df6
AJ		 421stab_push_defined_type (struct stab_write_handle *info, long index,
422 unsigned int size)
252b5132
RH		 423{
424 char buf[20];
425
426 sprintf (buf, "%ld", index);
b34976b6 427 return stab_push_string (info, buf, index, FALSE, size);
252b5132
RH		 428}
429
430/* Pop a type off the type stack. The caller is responsible for
431 freeing the string. */
432
433static char *
2da42df6 434stab_pop_type (struct stab_write_handle *info)
252b5132
RH		 435{
436 struct stab_type_stack *s;
437 char *ret;
438
439 s = info->type_stack;
440 assert (s != NULL);
441
442 info->type_stack = s->next;
443
444 ret = s->string;
445
446 free (s);
447
448 return ret;
449}
450\f
451/* The general routine to write out stabs in sections debugging
452 information. This accumulates the stabs symbols and the strings in
453 two obstacks. We can't easily write out the information as we go
454 along, because we need to know the section sizes before we can
455 write out the section contents. ABFD is the BFD and DHANDLE is the
456 handle for the debugging information. This sets *PSYMS to point to
457 the symbols, *PSYMSIZE the size of the symbols, *PSTRINGS to the
458 strings, and *PSTRINGSIZE to the size of the strings. */
459
b34976b6 460bfd_boolean
2da42df6
AJ		 461write_stabs_in_sections_debugging_info (bfd *abfd, void *dhandle,
462 bfd_byte **psyms,
463 bfd_size_type *psymsize,
464 bfd_byte **pstrings,
465 bfd_size_type *pstringsize)
252b5132
RH		 466{
467 struct stab_write_handle info;
468 struct string_hash_entry *h;
469 bfd_byte *p;
470
471 info.abfd = abfd;
472
473 info.symbols_size = 0;
474 info.symbols_alloc = 500;
475 info.symbols = (bfd_byte *) xmalloc (info.symbols_alloc);
476
477 info.strings = NULL;
478 info.last_string = NULL;
479 /* Reserve 1 byte for a null byte. */
480 info.strings_size = 1;
481
66eb6687
AM		 482 if (!bfd_hash_table_init (&info.strhash.table, string_hash_newfunc,
483 sizeof (struct string_hash_entry))
484 || !bfd_hash_table_init (&info.typedef_hash.table, string_hash_newfunc,
485 sizeof (struct string_hash_entry)))
252b5132 486 {
37cc8ec1
AM		 487 non_fatal ("bfd_hash_table_init_failed: %s",
488 bfd_errmsg (bfd_get_error ()));
b34976b6 489 return FALSE;
252b5132
RH		 490 }
491
492 info.type_stack = NULL;
493 info.type_index = 1;
494 memset (&info.type_cache, 0, sizeof info.type_cache);
495 info.so_offset = -1;
496 info.fun_offset = -1;
497 info.last_text_address = 0;
498 info.nesting = 0;
499 info.fnaddr = 0;
500 info.pending_lbrac = (bfd_vma) -1;
501
502 /* The initial symbol holds the string size. */
503 if (! stab_write_symbol (&info, 0, 0, 0, (const char *) NULL))
b34976b6 504 return FALSE;
252b5132
RH		 505
506 /* Output an initial N_SO symbol. */
507 info.so_offset = info.symbols_size;
508 if (! stab_write_symbol (&info, N_SO, 0, 0, bfd_get_filename (abfd)))
b34976b6 509 return FALSE;
252b5132 510
2da42df6 511 if (! debug_write (dhandle, &stab_fns, (void *) &info))
b34976b6 512 return FALSE;
252b5132
RH		 513
514 assert (info.pending_lbrac == (bfd_vma) -1);
515
516 /* Output a trailing N_SO. */
517 if (! stab_write_symbol (&info, N_SO, 0, info.last_text_address,
518 (const char *) NULL))
b34976b6 519 return FALSE;
252b5132
RH		 520
521 /* Put the string size in the initial symbol. */
522 bfd_put_32 (abfd, info.strings_size, info.symbols + 8);
523
524 *psyms = info.symbols;
525 *psymsize = info.symbols_size;
526
527 *pstringsize = info.strings_size;
528 *pstrings = (bfd_byte *) xmalloc (info.strings_size);
529
530 p = *pstrings;
531 *p++ = '\0';
532 for (h = info.strings; h != NULL; h = h->next)
533 {
534 strcpy ((char *) p, h->root.string);
535 p += strlen ((char *) p) + 1;
536 }
537
b34976b6 538 return TRUE;
252b5132
RH		 539}
540
541/* Start writing out information for a compilation unit. */
542
b34976b6 543static bfd_boolean
2da42df6 544stab_start_compilation_unit (void *p, const char *filename)
252b5132
RH		 545{
546 struct stab_write_handle *info = (struct stab_write_handle *) p;
547
548 /* We would normally output an N_SO symbol here. However, that
549 would force us to reset all of our type information. I think we
550 will be better off just outputting an N_SOL symbol, and not
551 worrying about splitting information between files. */
552
553 info->lineno_filename = filename;
554
555 return stab_write_symbol (info, N_SOL, 0, 0, filename);
556}
557
558/* Start writing out information for a particular source file. */
559
b34976b6 560static bfd_boolean
2da42df6 561stab_start_source (void *p, const char *filename)
252b5132
RH		 562{
563 struct stab_write_handle *info = (struct stab_write_handle *) p;
564
565 /* FIXME: The symbol's value is supposed to be the text section
566 address. However, we would have to fill it in later, and gdb
567 doesn't care, so we don't bother with it. */
568
569 info->lineno_filename = filename;
570
571 return stab_write_symbol (info, N_SOL, 0, 0, filename);
572}
573
574/* Push an empty type. This shouldn't normally happen. We just use a
575 void type. */
576
b34976b6 577static bfd_boolean
2da42df6 578stab_empty_type (void *p)
252b5132
RH		 579{
580 struct stab_write_handle *info = (struct stab_write_handle *) p;
581
582 /* We don't call stab_void_type if the type is not yet defined,
583 because that might screw up the typedef. */
584
585 if (info->type_cache.void_type != 0)
586 return stab_push_defined_type (info, info->type_cache.void_type, 0);
587 else
588 {
589 long index;
590 char buf[40];
591
592 index = info->type_index;
593 ++info->type_index;
594
595 sprintf (buf, "%ld=%ld", index, index);
596
b34976b6 597 return stab_push_string (info, buf, index, FALSE, 0);
252b5132
RH		 598 }
599}
600
601/* Push a void type. */
602
b34976b6 603static bfd_boolean
2da42df6 604stab_void_type (void *p)
252b5132
RH		 605{
606 struct stab_write_handle *info = (struct stab_write_handle *) p;
607
608 if (info->type_cache.void_type != 0)
609 return stab_push_defined_type (info, info->type_cache.void_type, 0);
610 else
611 {
612 long index;
613 char buf[40];
614
615 index = info->type_index;
616 ++info->type_index;
617
618 info->type_cache.void_type = index;
619
620 sprintf (buf, "%ld=%ld", index, index);
621
b34976b6 622 return stab_push_string (info, buf, index, TRUE, 0);
252b5132
RH		 623 }
624}
625
626/* Push an integer type. */
627
b34976b6 628static bfd_boolean
2da42df6 629stab_int_type (void *p, unsigned int size, bfd_boolean unsignedp)
252b5132
RH		 630{
631 struct stab_write_handle *info = (struct stab_write_handle *) p;
632 long *cache;
633
634 if (size <= 0 || (size > sizeof (long) && size != 8))
635 {
37cc8ec1 636 non_fatal (_("stab_int_type: bad size %u"), size);
b34976b6 637 return FALSE;
252b5132
RH		 638 }
639
640 if (unsignedp)
641 cache = info->type_cache.signed_integer_types;
642 else
643 cache = info->type_cache.unsigned_integer_types;
644
645 if (cache[size - 1] != 0)
646 return stab_push_defined_type (info, cache[size - 1], size);
647 else
648 {
649 long index;
650 char buf[100];
651
652 index = info->type_index;
653 ++info->type_index;
654
655 cache[size - 1] = index;
656
657 sprintf (buf, "%ld=r%ld;", index, index);
658 if (unsignedp)
659 {
660 strcat (buf, "0;");
661 if (size < sizeof (long))
662 sprintf (buf + strlen (buf), "%ld;", ((long) 1 << (size * 8)) - 1);
663 else if (size == sizeof (long))
664 strcat (buf, "-1;");
665 else if (size == 8)
666 strcat (buf, "01777777777777777777777;");
667 else
668 abort ();
669 }
670 else
671 {
672 if (size <= sizeof (long))
673 sprintf (buf + strlen (buf), "%ld;%ld;",
674 (long) - ((unsigned long) 1 << (size * 8 - 1)),
675 (long) (((unsigned long) 1 << (size * 8 - 1)) - 1));
676 else if (size == 8)
677 strcat (buf, "01000000000000000000000;0777777777777777777777;");
678 else
679 abort ();
680 }
681
b34976b6 682 return stab_push_string (info, buf, index, TRUE, size);
252b5132
RH		 683 }
684}
685
686/* Push a floating point type. */
687
b34976b6 688static bfd_boolean
2da42df6 689stab_float_type (void *p, unsigned int size)
252b5132
RH		 690{
691 struct stab_write_handle *info = (struct stab_write_handle *) p;
692
693 if (size > 0
694 && size - 1 < (sizeof info->type_cache.float_types
695 / sizeof info->type_cache.float_types[0])
696 && info->type_cache.float_types[size - 1] != 0)
697 return stab_push_defined_type (info,
698 info->type_cache.float_types[size - 1],
699 size);
700 else
701 {
702 long index;
703 char *int_type;
704 char buf[50];
705
706 /* Floats are defined as a subrange of int. */
b34976b6
AM		 707 if (! stab_int_type (info, 4, FALSE))
708 return FALSE;
252b5132
RH		 709 int_type = stab_pop_type (info);
710
711 index = info->type_index;
712 ++info->type_index;
713
714 if (size > 0
715 && size - 1 < (sizeof info->type_cache.float_types
716 / sizeof info->type_cache.float_types[0]))
717 info->type_cache.float_types[size - 1] = index;
718
719 sprintf (buf, "%ld=r%s;%u;0;", index, int_type, size);
720
721 free (int_type);
722
b34976b6 723 return stab_push_string (info, buf, index, TRUE, size);
252b5132
RH		 724 }
725}
726
727/* Push a complex type. */
728
b34976b6 729static bfd_boolean
2da42df6 730stab_complex_type (void *p, unsigned int size)
252b5132
RH		 731{
732 struct stab_write_handle *info = (struct stab_write_handle *) p;
733 char buf[50];
734 long index;
735
736 index = info->type_index;
737 ++info->type_index;
738
739 sprintf (buf, "%ld=r%ld;%u;0;", index, index, size);
740
b34976b6 741 return stab_push_string (info, buf, index, TRUE, size * 2);
252b5132
RH		 742}
743
b34976b6 744/* Push a bfd_boolean type. We use an XCOFF predefined type, since gdb
252b5132
RH		 745 always recognizes them. */
746
b34976b6 747static bfd_boolean
2da42df6 748stab_bool_type (void *p, unsigned int size)
252b5132
RH		 749{
750 struct stab_write_handle *info = (struct stab_write_handle *) p;
751 long index;
752
753 switch (size)
754 {
755 case 1:
756 index = -21;
757 break;
758
759 case 2:
760 index = -22;
761 break;
9f66665a 762
252b5132
RH		 763 default:
764 case 4:
765 index = -16;
766 break;
767
768 case 8:
769 index = -33;
770 break;
771 }
772
773 return stab_push_defined_type (info, index, size);
774}
775
776/* Push an enum type. */
777
b34976b6 778static bfd_boolean
2da42df6
AJ		 779stab_enum_type (void *p, const char *tag, const char **names,
780 bfd_signed_vma *vals)
252b5132
RH		 781{
782 struct stab_write_handle *info = (struct stab_write_handle *) p;
783 size_t len;
784 const char **pn;
785 char *buf;
786 long index = 0;
787 bfd_signed_vma *pv;
788
789 if (names == NULL)
790 {
791 assert (tag != NULL);
792
793 buf = (char *) xmalloc (10 + strlen (tag));
794 sprintf (buf, "xe%s:", tag);
795 /* FIXME: The size is just a guess. */
b34976b6
AM		 796 if (! stab_push_string (info, buf, 0, FALSE, 4))
797 return FALSE;
252b5132 798 free (buf);
b34976b6 799 return TRUE;
252b5132
RH		 800 }
801
802 len = 10;
803 if (tag != NULL)
804 len += strlen (tag);
805 for (pn = names; *pn != NULL; pn++)
806 len += strlen (*pn) + 20;
807
808 buf = (char *) xmalloc (len);
809
810 if (tag == NULL)
811 strcpy (buf, "e");
812 else
813 {
814 index = info->type_index;
815 ++info->type_index;
816 sprintf (buf, "%s:T%ld=e", tag, index);
817 }
818
819 for (pn = names, pv = vals; *pn != NULL; pn++, pv++)
820 sprintf (buf + strlen (buf), "%s:%ld,", *pn, (long) *pv);
821 strcat (buf, ";");
822
823 if (tag == NULL)
824 {
825 /* FIXME: The size is just a guess. */
b34976b6
AM		 826 if (! stab_push_string (info, buf, 0, FALSE, 4))
827 return FALSE;
252b5132
RH		 828 }
829 else
830 {
831 /* FIXME: The size is just a guess. */
832 if (! stab_write_symbol (info, N_LSYM, 0, 0, buf)
833 || ! stab_push_defined_type (info, index, 4))
b34976b6 834 return FALSE;
252b5132
RH		 835 }
836
837 free (buf);
838
b34976b6 839 return TRUE;
252b5132
RH		 840}
841
842/* Push a modification of the top type on the stack. Cache the
843 results in CACHE and CACHE_ALLOC. */
844
b34976b6 845static bfd_boolean
2da42df6
AJ		 846stab_modify_type (struct stab_write_handle *info, int mod,
847 unsigned int size, long **cache, size_t *cache_alloc)
252b5132
RH		 848{
849 long targindex;
850 long index;
851 char *s, *buf;
852
853 assert (info->type_stack != NULL);
854 targindex = info->type_stack->index;
855
856 if (targindex <= 0
857 || cache == NULL)
858 {
b34976b6 859 bfd_boolean definition;
252b5132
RH		 860
861 /* Either the target type has no index, or we aren't caching
862 this modifier. Either way we have no way of recording the
863 new type, so we don't bother to define one. */
864 definition = info->type_stack->definition;
865 s = stab_pop_type (info);
866 buf = (char *) xmalloc (strlen (s) + 2);
867 sprintf (buf, "%c%s", mod, s);
868 free (s);
869 if (! stab_push_string (info, buf, 0, definition, size))
b34976b6 870 return FALSE;
252b5132
RH		 871 free (buf);
872 }
873 else
874 {
875 if ((size_t) targindex >= *cache_alloc)
876 {
877 size_t alloc;
878
879 alloc = *cache_alloc;
880 if (alloc == 0)
881 alloc = 10;
882 while ((size_t) targindex >= alloc)
883 alloc *= 2;
884 *cache = (long *) xrealloc (*cache, alloc * sizeof (long));
885 memset (*cache + *cache_alloc, 0,
886 (alloc - *cache_alloc) * sizeof (long));
887 *cache_alloc = alloc;
888 }
889
890 index = (*cache)[targindex];
891 if (index != 0 && ! info->type_stack->definition)
892 {
893 /* We have already defined a modification of this type, and
894 the entry on the type stack is not a definition, so we
895 can safely discard it (we may have a definition on the
896 stack, even if we already defined a modification, if it
897 is a struct which we did not define at the time it was
898 referenced). */
899 free (stab_pop_type (info));
900 if (! stab_push_defined_type (info, index, size))
b34976b6 901 return FALSE;
252b5132
RH		 902 }
903 else
904 {
905 index = info->type_index;
906 ++info->type_index;
907
908 s = stab_pop_type (info);
909 buf = (char *) xmalloc (strlen (s) + 20);
910 sprintf (buf, "%ld=%c%s", index, mod, s);
911 free (s);
912
913 (*cache)[targindex] = index;
914
b34976b6
AM		 915 if (! stab_push_string (info, buf, index, TRUE, size))
916 return FALSE;
252b5132
RH		 917
918 free (buf);
919 }
920 }
921
b34976b6 922 return TRUE;
9f66665a 923}
252b5132
RH		 924
925/* Push a pointer type. */
926
b34976b6 927static bfd_boolean
2da42df6 928stab_pointer_type (void *p)
252b5132
RH		 929{
930 struct stab_write_handle *info = (struct stab_write_handle *) p;
931
932 /* FIXME: The size should depend upon the architecture. */
933 return stab_modify_type (info, '*', 4, &info->type_cache.pointer_types,
934 &info->type_cache.pointer_types_alloc);
935}
936
937/* Push a function type. */
938
b34976b6 939static bfd_boolean
2da42df6
AJ		 940stab_function_type (void *p, int argcount,
941 bfd_boolean varargs ATTRIBUTE_UNUSED)
252b5132
RH		 942{
943 struct stab_write_handle *info = (struct stab_write_handle *) p;
944 int i;
945
946 /* We have no way to represent the argument types, so we just
947 discard them. However, if they define new types, we must output
948 them. We do this by producing empty typedefs. */
949 for (i = 0; i < argcount; i++)
950 {
951 if (! info->type_stack->definition)
952 free (stab_pop_type (info));
953 else
954 {
955 char *s, *buf;
956
957 s = stab_pop_type (info);
958
959 buf = (char *) xmalloc (strlen (s) + 3);
960 sprintf (buf, ":t%s", s);
961 free (s);
962
963 if (! stab_write_symbol (info, N_LSYM, 0, 0, buf))
b34976b6 964 return FALSE;
252b5132
RH		 965
966 free (buf);
967 }
968 }
969
970 return stab_modify_type (info, 'f', 0, &info->type_cache.function_types,
971 &info->type_cache.function_types_alloc);
972}
973
974/* Push a reference type. */
975
b34976b6 976static bfd_boolean
2da42df6 977stab_reference_type (void *p)
252b5132
RH		 978{
979 struct stab_write_handle *info = (struct stab_write_handle *) p;
980
981 /* FIXME: The size should depend upon the architecture. */
982 return stab_modify_type (info, '&', 4, &info->type_cache.reference_types,
983 &info->type_cache.reference_types_alloc);
984}
985
986/* Push a range type. */
987
b34976b6 988static bfd_boolean
2da42df6 989stab_range_type (void *p, bfd_signed_vma low, bfd_signed_vma high)
252b5132
RH		 990{
991 struct stab_write_handle *info = (struct stab_write_handle *) p;
b34976b6 992 bfd_boolean definition;
252b5132
RH		 993 unsigned int size;
994 char *s, *buf;
995
996 definition = info->type_stack->definition;
997 size = info->type_stack->size;
998
999 s = stab_pop_type (info);
1000 buf = (char *) xmalloc (strlen (s) + 100);
1001 sprintf (buf, "r%s;%ld;%ld;", s, (long) low, (long) high);
1002 free (s);
1003
1004 if (! stab_push_string (info, buf, 0, definition, size))
b34976b6 1005 return FALSE;
252b5132
RH		 1006
1007 free (buf);
1008
b34976b6 1009 return TRUE;
252b5132
RH		 1010}
1011
1012/* Push an array type. */
1013
b34976b6 1014static bfd_boolean
2da42df6
AJ		 1015stab_array_type (void *p, bfd_signed_vma low, bfd_signed_vma high,
1016 bfd_boolean stringp)
252b5132
RH		 1017{
1018 struct stab_write_handle *info = (struct stab_write_handle *) p;
b34976b6 1019 bfd_boolean definition;
252b5132
RH		 1020 unsigned int element_size;
1021 char *range, *element, *buf;
1022 long index;
1023 unsigned int size;
1024
1025 definition = info->type_stack->definition;
1026 range = stab_pop_type (info);
1027
1028 definition = definition || info->type_stack->definition;
1029 element_size = info->type_stack->size;
1030 element = stab_pop_type (info);
1031
1032 buf = (char *) xmalloc (strlen (range) + strlen (element) + 100);
1033
1034 if (! stringp)
1035 {
1036 index = 0;
1037 *buf = '\0';
1038 }
1039 else
1040 {
1041 /* We need to define a type in order to include the string
1042 attribute. */
1043 index = info->type_index;
1044 ++info->type_index;
b34976b6 1045 definition = TRUE;
252b5132
RH		 1046 sprintf (buf, "%ld=@S;", index);
1047 }
1048
1049 sprintf (buf + strlen (buf), "ar%s;%ld;%ld;%s",
1050 range, (long) low, (long) high, element);
1051 free (range);
1052 free (element);
1053
1054 if (high < low)
1055 size = 0;
1056 else
1057 size = element_size * ((high - low) + 1);
1058 if (! stab_push_string (info, buf, index, definition, size))
b34976b6 1059 return FALSE;
252b5132
RH		 1060
1061 free (buf);
1062
b34976b6 1063 return TRUE;
252b5132
RH		 1064}
1065
1066/* Push a set type. */
1067
b34976b6 1068static bfd_boolean
2da42df6 1069stab_set_type (void *p, bfd_boolean bitstringp)
252b5132
RH		 1070{
1071 struct stab_write_handle *info = (struct stab_write_handle *) p;
b34976b6 1072 bfd_boolean definition;
252b5132
RH		 1073 char *s, *buf;
1074 long index;
1075
1076 definition = info->type_stack->definition;
1077
1078 s = stab_pop_type (info);
1079 buf = (char *) xmalloc (strlen (s) + 30);
1080
1081 if (! bitstringp)
1082 {
1083 *buf = '\0';
1084 index = 0;
1085 }
1086 else
1087 {
1088 /* We need to define a type in order to include the string
1089 attribute. */
1090 index = info->type_index;
1091 ++info->type_index;
b34976b6 1092 definition = TRUE;
252b5132
RH		 1093 sprintf (buf, "%ld=@S;", index);
1094 }
1095
1096 sprintf (buf + strlen (buf), "S%s", s);
1097 free (s);
1098
1099 if (! stab_push_string (info, buf, index, definition, 0))
b34976b6 1100 return FALSE;
252b5132
RH		 1101
1102 free (buf);
1103
b34976b6 1104 return TRUE;
252b5132
RH		 1105}
1106
1107/* Push an offset type. */
1108
b34976b6 1109static bfd_boolean
2da42df6 1110stab_offset_type (void *p)
252b5132
RH		 1111{
1112 struct stab_write_handle *info = (struct stab_write_handle *) p;
b34976b6 1113 bfd_boolean definition;
252b5132
RH		 1114 char *target, *base, *buf;
1115
1116 definition = info->type_stack->definition;
1117 target = stab_pop_type (info);
1118
1119 definition = definition || info->type_stack->definition;
1120 base = stab_pop_type (info);
1121
1122 buf = (char *) xmalloc (strlen (target) + strlen (base) + 3);
1123 sprintf (buf, "@%s,%s", base, target);
1124 free (base);
1125 free (target);
1126
1127 if (! stab_push_string (info, buf, 0, definition, 0))
b34976b6 1128 return FALSE;
252b5132
RH		 1129
1130 free (buf);
1131
b34976b6 1132 return TRUE;
252b5132
RH		 1133}
1134
1135/* Push a method type. */
1136
b34976b6 1137static bfd_boolean
2da42df6
AJ		 1138stab_method_type (void *p, bfd_boolean domainp, int argcount,
1139 bfd_boolean varargs)
252b5132
RH		 1140{
1141 struct stab_write_handle *info = (struct stab_write_handle *) p;
b34976b6 1142 bfd_boolean definition;
252b5132
RH		 1143 char *domain, *return_type, *buf;
1144 char **args;
1145 int i;
1146 size_t len;
1147
1148 /* We don't bother with stub method types, because that would
1149 require a mangler for C++ argument types. This will waste space
1150 in the debugging output. */
1151
1152 /* We need a domain. I'm not sure DOMAINP can ever be false,
1153 anyhow. */
1154 if (! domainp)
1155 {
1156 if (! stab_empty_type (p))
b34976b6 1157 return FALSE;
252b5132
RH		 1158 }
1159
1160 definition = info->type_stack->definition;
1161 domain = stab_pop_type (info);
1162
1163 /* A non-varargs function is indicated by making the last parameter
1164 type be void. */
1165
1166 if (argcount < 0)
1167 {
1168 args = NULL;
1169 argcount = 0;
1170 }
1171 else if (argcount == 0)
1172 {
1173 if (varargs)
1174 args = NULL;
1175 else
1176 {
1177 args = (char **) xmalloc (1 * sizeof (*args));
1178 if (! stab_empty_type (p))
b34976b6 1179 return FALSE;
252b5132
RH		 1180 definition = definition || info->type_stack->definition;
1181 args[0] = stab_pop_type (info);
1182 argcount = 1;
1183 }
1184 }
1185 else
1186 {
1187 args = (char **) xmalloc ((argcount + 1) * sizeof (*args));
1188 for (i = argcount - 1; i >= 0; i--)
1189 {
1190 definition = definition || info->type_stack->definition;
1191 args[i] = stab_pop_type (info);
1192 }
1193 if (! varargs)
1194 {
1195 if (! stab_empty_type (p))
b34976b6 1196 return FALSE;
252b5132
RH		 1197 definition = definition || info->type_stack->definition;
1198 args[argcount] = stab_pop_type (info);
1199 ++argcount;
1200 }
1201 }
1202
1203 definition = definition || info->type_stack->definition;
1204 return_type = stab_pop_type (info);
1205
1206 len = strlen (domain) + strlen (return_type) + 10;
1207 for (i = 0; i < argcount; i++)
1208 len += strlen (args[i]);
1209
1210 buf = (char *) xmalloc (len);
1211
1212 sprintf (buf, "#%s,%s", domain, return_type);
1213 free (domain);
1214 free (return_type);
1215 for (i = 0; i < argcount; i++)
1216 {
1217 strcat (buf, ",");
1218 strcat (buf, args[i]);
1219 free (args[i]);
1220 }
1221 strcat (buf, ";");
1222
1223 if (args != NULL)
1224 free (args);
1225
1226 if (! stab_push_string (info, buf, 0, definition, 0))
b34976b6 1227 return FALSE;
252b5132
RH		 1228
1229 free (buf);
1230
b34976b6 1231 return TRUE;
252b5132
RH		 1232}
1233
1234/* Push a const version of a type. */
1235
b34976b6 1236static bfd_boolean
2da42df6 1237stab_const_type (void *p)
252b5132
RH		 1238{
1239 struct stab_write_handle *info = (struct stab_write_handle *) p;
1240
1241 return stab_modify_type (info, 'k', info->type_stack->size,
1242 (long **) NULL, (size_t *) NULL);
1243}
1244
1245/* Push a volatile version of a type. */
1246
b34976b6 1247static bfd_boolean
2da42df6 1248stab_volatile_type (void *p)
252b5132
RH		 1249{
1250 struct stab_write_handle *info = (struct stab_write_handle *) p;
1251
1252 return stab_modify_type (info, 'B', info->type_stack->size,
1253 (long **) NULL, (size_t *) NULL);
1254}
1255
1256/* Get the type index to use for a struct/union/class ID. This should
1257 return -1 if it fails. */
1258
1259static long
2da42df6
AJ		 1260stab_get_struct_index (struct stab_write_handle *info, const char *tag,
1261 unsigned int id, enum debug_type_kind kind,
1262 unsigned int *psize)
252b5132
RH		 1263{
1264 if (id >= info->type_cache.struct_types_alloc)
1265 {
1266 size_t alloc;
1267
1268 alloc = info->type_cache.struct_types_alloc;
1269 if (alloc == 0)
1270 alloc = 10;
1271 while (id >= alloc)
1272 alloc *= 2;
1273 info->type_cache.struct_types =
1274 (struct stab_tag *) xrealloc (info->type_cache.struct_types,
1275 alloc * sizeof (struct stab_tag));
1276 memset ((info->type_cache.struct_types
1277 + info->type_cache.struct_types_alloc),
1278 0,
1279 ((alloc - info->type_cache.struct_types_alloc)
1280 * sizeof (struct stab_tag)));
1281 info->type_cache.struct_types_alloc = alloc;
1282 }
1283
1284 if (info->type_cache.struct_types[id].index == 0)
1285 {
1286 info->type_cache.struct_types[id].index = info->type_index;
1287 ++info->type_index;
1288 info->type_cache.struct_types[id].tag = tag;
1289 info->type_cache.struct_types[id].kind = kind;
1290 }
1291
1292 if (kind == DEBUG_KIND_ILLEGAL)
1293 {
1294 /* This is a definition of the struct. */
1295 info->type_cache.struct_types[id].kind = kind;
1296 info->type_cache.struct_types[id].size = *psize;
1297 }
1298 else
1299 *psize = info->type_cache.struct_types[id].size;
1300
1301 return info->type_cache.struct_types[id].index;
1302}
1303
1304/* Start outputting a struct. We ignore the tag, and handle it in
1305 stab_tag. */
1306
b34976b6 1307static bfd_boolean
2da42df6
AJ		 1308stab_start_struct_type (void *p, const char *tag, unsigned int id,
1309 bfd_boolean structp, unsigned int size)
252b5132
RH		 1310{
1311 struct stab_write_handle *info = (struct stab_write_handle *) p;
1312 long index;
b34976b6 1313 bfd_boolean definition;
252b5132
RH		 1314 char *buf;
1315
1316 buf = (char *) xmalloc (40);
1317
1318 if (id == 0)
1319 {
1320 index = 0;
1321 *buf = '\0';
b34976b6 1322 definition = FALSE;
252b5132
RH		 1323 }
1324 else
1325 {
1326 index = stab_get_struct_index (info, tag, id, DEBUG_KIND_ILLEGAL,
1327 &size);
1328 if (index < 0)
b34976b6 1329 return FALSE;
252b5132 1330 sprintf (buf, "%ld=", index);
b34976b6 1331 definition = TRUE;
252b5132
RH		 1332 }
1333
1334 sprintf (buf + strlen (buf), "%c%u",
1335 structp ? 's' : 'u',
1336 size);
1337
1338 if (! stab_push_string (info, buf, index, definition, size))
b34976b6 1339 return FALSE;
252b5132
RH		 1340
1341 info->type_stack->fields = (char *) xmalloc (1);
1342 info->type_stack->fields[0] = '\0';
1343
b34976b6 1344 return TRUE;
252b5132
RH		 1345}
1346
1347/* Add a field to a struct. */
1348
b34976b6 1349static bfd_boolean
2da42df6
AJ		 1350stab_struct_field (void *p, const char *name, bfd_vma bitpos,
1351 bfd_vma bitsize, enum debug_visibility visibility)
252b5132
RH		 1352{
1353 struct stab_write_handle *info = (struct stab_write_handle *) p;
b34976b6 1354 bfd_boolean definition;
252b5132
RH		 1355 unsigned int size;
1356 char *s, *n;
1357 const char *vis;
1358
1359 definition = info->type_stack->definition;
1360 size = info->type_stack->size;
1361 s = stab_pop_type (info);
1362
1363 /* Add this field to the end of the current struct fields, which is
1364 currently on the top of the stack. */
1365
1366 assert (info->type_stack->fields != NULL);
1367 n = (char *) xmalloc (strlen (info->type_stack->fields)
1368 + strlen (name)
1369 + strlen (s)
1370 + 50);
1371
1372 switch (visibility)
1373 {
1374 default:
1375 abort ();
1376
1377 case DEBUG_VISIBILITY_PUBLIC:
1378 vis = "";
1379 break;
1380
1381 case DEBUG_VISIBILITY_PRIVATE:
1382 vis = "/0";
1383 break;
1384
1385 case DEBUG_VISIBILITY_PROTECTED:
1386 vis = "/1";
1387 break;
1388 }
1389
1390 if (bitsize == 0)
1391 {
1392 bitsize = size * 8;
1393 if (bitsize == 0)
37cc8ec1
AM		 1394 non_fatal (_("%s: warning: unknown size for field `%s' in struct"),
1395 bfd_get_filename (info->abfd), name);
252b5132
RH		 1396 }
1397
1398 sprintf (n, "%s%s:%s%s,%ld,%ld;", info->type_stack->fields, name, vis, s,
1399 (long) bitpos, (long) bitsize);
1400
1401 free (info->type_stack->fields);
1402 info->type_stack->fields = n;
1403
1404 if (definition)
b34976b6 1405 info->type_stack->definition = TRUE;
252b5132 1406
b34976b6 1407 return TRUE;
252b5132
RH		 1408}
1409
1410/* Finish up a struct. */
1411
b34976b6 1412static bfd_boolean
2da42df6 1413stab_end_struct_type (void *p)
252b5132
RH		 1414{
1415 struct stab_write_handle *info = (struct stab_write_handle *) p;
b34976b6 1416 bfd_boolean definition;
252b5132
RH		 1417 long index;
1418 unsigned int size;
1419 char *fields, *first, *buf;
1420
1421 assert (info->type_stack != NULL && info->type_stack->fields != NULL);
1422
1423 definition = info->type_stack->definition;
1424 index = info->type_stack->index;
1425 size = info->type_stack->size;
1426 fields = info->type_stack->fields;
1427 first = stab_pop_type (info);
1428
1429 buf = (char *) xmalloc (strlen (first) + strlen (fields) + 2);
1430 sprintf (buf, "%s%s;", first, fields);
1431 free (first);
1432 free (fields);
1433
1434 if (! stab_push_string (info, buf, index, definition, size))
b34976b6 1435 return FALSE;
252b5132
RH		 1436
1437 free (buf);
1438
b34976b6 1439 return TRUE;
252b5132
RH		 1440}
1441
1442/* Start outputting a class. */
1443
b34976b6 1444static bfd_boolean
2da42df6 1445stab_start_class_type (void *p, const char *tag, unsigned int id, bfd_boolean structp, unsigned int size, bfd_boolean vptr, bfd_boolean ownvptr)
252b5132
RH		 1446{
1447 struct stab_write_handle *info = (struct stab_write_handle *) p;
b34976b6 1448 bfd_boolean definition;
252b5132
RH		 1449 char *vstring;
1450
1451 if (! vptr || ownvptr)
1452 {
b34976b6 1453 definition = FALSE;
252b5132
RH		 1454 vstring = NULL;
1455 }
1456 else
1457 {
1458 definition = info->type_stack->definition;
1459 vstring = stab_pop_type (info);
1460 }
1461
1462 if (! stab_start_struct_type (p, tag, id, structp, size))
b34976b6 1463 return FALSE;
252b5132
RH		 1464
1465 if (vptr)
1466 {
1467 char *vtable;
1468
1469 if (ownvptr)
1470 {
1471 assert (info->type_stack->index > 0);
1472 vtable = (char *) xmalloc (20);
1473 sprintf (vtable, "~%%%ld", info->type_stack->index);
1474 }
1475 else
1476 {
1477 vtable = (char *) xmalloc (strlen (vstring) + 3);
1478 sprintf (vtable, "~%%%s", vstring);
1479 free (vstring);
1480 }
1481
1482 info->type_stack->vtable = vtable;
1483 }
1484
1485 if (definition)
b34976b6 1486 info->type_stack->definition = TRUE;
252b5132 1487
b34976b6 1488 return TRUE;
252b5132
RH		 1489}
1490
1491/* Add a static member to the class on the type stack. */
1492
b34976b6 1493static bfd_boolean
2da42df6
AJ		 1494stab_class_static_member (void *p, const char *name, const char *physname,
1495 enum debug_visibility visibility)
252b5132
RH		 1496{
1497 struct stab_write_handle *info = (struct stab_write_handle *) p;
b34976b6 1498 bfd_boolean definition;
252b5132
RH		 1499 char *s, *n;
1500 const char *vis;
1501
1502 definition = info->type_stack->definition;
1503 s = stab_pop_type (info);
1504
1505 /* Add this field to the end of the current struct fields, which is
1506 currently on the top of the stack. */
1507
1508 assert (info->type_stack->fields != NULL);
1509 n = (char *) xmalloc (strlen (info->type_stack->fields)
1510 + strlen (name)
1511 + strlen (s)
1512 + strlen (physname)
1513 + 10);
1514
1515 switch (visibility)
1516 {
1517 default:
1518 abort ();
1519
1520 case DEBUG_VISIBILITY_PUBLIC:
1521 vis = "";
1522 break;
1523
1524 case DEBUG_VISIBILITY_PRIVATE:
1525 vis = "/0";
1526 break;
1527
1528 case DEBUG_VISIBILITY_PROTECTED:
1529 vis = "/1";
1530 break;
1531 }
1532
1533 sprintf (n, "%s%s:%s%s:%s;", info->type_stack->fields, name, vis, s,
1534 physname);
1535
1536 free (info->type_stack->fields);
1537 info->type_stack->fields = n;
1538
1539 if (definition)
b34976b6 1540 info->type_stack->definition = TRUE;
252b5132 1541
b34976b6 1542 return TRUE;
252b5132
RH		 1543}
1544
1545/* Add a base class to the class on the type stack. */
1546
b34976b6 1547static bfd_boolean
2da42df6
AJ		 1548stab_class_baseclass (void *p, bfd_vma bitpos, bfd_boolean virtual,
1549 enum debug_visibility visibility)
252b5132
RH		 1550{
1551 struct stab_write_handle *info = (struct stab_write_handle *) p;
b34976b6 1552 bfd_boolean definition;
252b5132
RH		 1553 char *s;
1554 char *buf;
1555 unsigned int c;
1556 char **baseclasses;
1557
1558 definition = info->type_stack->definition;
1559 s = stab_pop_type (info);
1560
1561 /* Build the base class specifier. */
1562
1563 buf = (char *) xmalloc (strlen (s) + 25);
1564 buf[0] = virtual ? '1' : '0';
1565 switch (visibility)
1566 {
1567 default:
1568 abort ();
1569
1570 case DEBUG_VISIBILITY_PRIVATE:
1571 buf[1] = '0';
1572 break;
1573
1574 case DEBUG_VISIBILITY_PROTECTED:
1575 buf[1] = '1';
1576 break;
1577
1578 case DEBUG_VISIBILITY_PUBLIC:
1579 buf[1] = '2';
1580 break;
1581 }
1582
1583 sprintf (buf + 2, "%ld,%s;", (long) bitpos, s);
1584 free (s);
1585
1586 /* Add the new baseclass to the existing ones. */
1587
1588 assert (info->type_stack != NULL && info->type_stack->fields != NULL);
1589
1590 if (info->type_stack->baseclasses == NULL)
1591 c = 0;
1592 else
1593 {
1594 c = 0;
1595 while (info->type_stack->baseclasses[c] != NULL)
1596 ++c;
1597 }
1598
1599 baseclasses = (char **) xrealloc (info->type_stack->baseclasses,
1600 (c + 2) * sizeof (*baseclasses));
1601 baseclasses[c] = buf;
1602 baseclasses[c + 1] = NULL;
1603
1604 info->type_stack->baseclasses = baseclasses;
1605
1606 if (definition)
b34976b6 1607 info->type_stack->definition = TRUE;
252b5132 1608
b34976b6 1609 return TRUE;
252b5132
RH		 1610}
1611
1612/* Start adding a method to the class on the type stack. */
1613
b34976b6 1614static bfd_boolean
2da42df6 1615stab_class_start_method (void *p, const char *name)
252b5132
RH		 1616{
1617 struct stab_write_handle *info = (struct stab_write_handle *) p;
1618 char *m;
1619
1620 assert (info->type_stack != NULL && info->type_stack->fields != NULL);
1621
1622 if (info->type_stack->methods == NULL)
1623 {
1624 m = (char *) xmalloc (strlen (name) + 3);
1625 *m = '\0';
1626 }
1627 else
1628 {
1629 m = (char *) xrealloc (info->type_stack->methods,
1630 (strlen (info->type_stack->methods)
1631 + strlen (name)
1632 + 4));
1633 }
1634
1635 sprintf (m + strlen (m), "%s::", name);
1636
1637 info->type_stack->methods = m;
1638
b34976b6 1639 return TRUE;
252b5132
RH		 1640}
1641
1642/* Add a variant, either static or not, to the current method. */
1643
b34976b6 1644static bfd_boolean
2da42df6
AJ		 1645stab_class_method_var (struct stab_write_handle *info, const char *physname,
1646 enum debug_visibility visibility,
1647 bfd_boolean staticp, bfd_boolean constp,
1648 bfd_boolean volatilep, bfd_vma voffset,
1649 bfd_boolean contextp)
252b5132 1650{
b34976b6 1651 bfd_boolean definition;
252b5132
RH		 1652 char *type;
1653 char *context = NULL;
1654 char visc, qualc, typec;
1655
1656 definition = info->type_stack->definition;
1657 type = stab_pop_type (info);
1658
1659 if (contextp)
1660 {
1661 definition = definition || info->type_stack->definition;
1662 context = stab_pop_type (info);
1663 }
1664
1665 assert (info->type_stack != NULL && info->type_stack->methods != NULL);
1666
1667 switch (visibility)
1668 {
1669 default:
1670 abort ();
1671
1672 case DEBUG_VISIBILITY_PRIVATE:
1673 visc = '0';
1674 break;
1675
1676 case DEBUG_VISIBILITY_PROTECTED:
1677 visc = '1';
1678 break;
1679
1680 case DEBUG_VISIBILITY_PUBLIC:
1681 visc = '2';
1682 break;
1683 }
1684
1685 if (constp)
1686 {
1687 if (volatilep)
1688 qualc = 'D';
1689 else
1690 qualc = 'B';
1691 }
1692 else
1693 {
1694 if (volatilep)
1695 qualc = 'C';
1696 else
1697 qualc = 'A';
1698 }
1699
1700 if (staticp)
1701 typec = '?';
1702 else if (! contextp)
1703 typec = '.';
1704 else
1705 typec = '*';
1706
1707 info->type_stack->methods =
1708 (char *) xrealloc (info->type_stack->methods,
1709 (strlen (info->type_stack->methods)
1710 + strlen (type)
1711 + strlen (physname)
1712 + (contextp ? strlen (context) : 0)
1713 + 40));
1714
1715 sprintf (info->type_stack->methods + strlen (info->type_stack->methods),
1716 "%s:%s;%c%c%c", type, physname, visc, qualc, typec);
1717 free (type);
1718
1719 if (contextp)
1720 {
1721 sprintf (info->type_stack->methods + strlen (info->type_stack->methods),
1722 "%ld;%s;", (long) voffset, context);
1723 free (context);
1724 }
1725
1726 if (definition)
b34976b6 1727 info->type_stack->definition = TRUE;
252b5132 1728
b34976b6 1729 return TRUE;
252b5132
RH		 1730}
1731
1732/* Add a variant to the current method. */
1733
b34976b6 1734static bfd_boolean
2da42df6
AJ		 1735stab_class_method_variant (void *p, const char *physname,
1736 enum debug_visibility visibility,
1737 bfd_boolean constp, bfd_boolean volatilep,
1738 bfd_vma voffset, bfd_boolean contextp)
252b5132
RH		 1739{
1740 struct stab_write_handle *info = (struct stab_write_handle *) p;
1741
b34976b6 1742 return stab_class_method_var (info, physname, visibility, FALSE, constp,
252b5132
RH		 1743 volatilep, voffset, contextp);
1744}
1745
1746/* Add a static variant to the current method. */
1747
b34976b6 1748static bfd_boolean
2da42df6
AJ		 1749stab_class_static_method_variant (void *p, const char *physname,
1750 enum debug_visibility visibility,
1751 bfd_boolean constp, bfd_boolean volatilep)
252b5132
RH		 1752{
1753 struct stab_write_handle *info = (struct stab_write_handle *) p;
1754
b34976b6
AM		 1755 return stab_class_method_var (info, physname, visibility, TRUE, constp,
1756 volatilep, 0, FALSE);
252b5132
RH		 1757}
1758
1759/* Finish up a method. */
1760
b34976b6 1761static bfd_boolean
2da42df6 1762stab_class_end_method (void *p)
252b5132
RH		 1763{
1764 struct stab_write_handle *info = (struct stab_write_handle *) p;
1765
1766 assert (info->type_stack != NULL && info->type_stack->methods != NULL);
1767
1768 /* We allocated enough room on info->type_stack->methods to add the
1769 trailing semicolon. */
1770 strcat (info->type_stack->methods, ";");
1771
b34976b6 1772 return TRUE;
252b5132
RH		 1773}
1774
1775/* Finish up a class. */
1776
b34976b6 1777static bfd_boolean
2da42df6 1778stab_end_class_type (void *p)
252b5132
RH		 1779{
1780 struct stab_write_handle *info = (struct stab_write_handle *) p;
1781 size_t len;
1782 unsigned int i = 0;
1783 char *buf;
1784
1785 assert (info->type_stack != NULL && info->type_stack->fields != NULL);
1786
1787 /* Work out the size we need to allocate for the class definition. */
1788
1789 len = (strlen (info->type_stack->string)
1790 + strlen (info->type_stack->fields)
1791 + 10);
1792 if (info->type_stack->baseclasses != NULL)
1793 {
1794 len += 20;
1795 for (i = 0; info->type_stack->baseclasses[i] != NULL; i++)
1796 len += strlen (info->type_stack->baseclasses[i]);
1797 }
1798 if (info->type_stack->methods != NULL)
1799 len += strlen (info->type_stack->methods);
1800 if (info->type_stack->vtable != NULL)
1801 len += strlen (info->type_stack->vtable);
1802
1803 /* Build the class definition. */
1804
1805 buf = (char *) xmalloc (len);
1806
1807 strcpy (buf, info->type_stack->string);
1808
1809 if (info->type_stack->baseclasses != NULL)
1810 {
1811 sprintf (buf + strlen (buf), "!%u,", i);
1812 for (i = 0; info->type_stack->baseclasses[i] != NULL; i++)
1813 {
1814 strcat (buf, info->type_stack->baseclasses[i]);
1815 free (info->type_stack->baseclasses[i]);
1816 }
1817 free (info->type_stack->baseclasses);
1818 info->type_stack->baseclasses = NULL;
1819 }
1820
1821 strcat (buf, info->type_stack->fields);
1822 free (info->type_stack->fields);
1823 info->type_stack->fields = NULL;
1824
1825 if (info->type_stack->methods != NULL)
1826 {
1827 strcat (buf, info->type_stack->methods);
1828 free (info->type_stack->methods);
1829 info->type_stack->methods = NULL;
1830 }
1831
1832 strcat (buf, ";");
1833
1834 if (info->type_stack->vtable != NULL)
1835 {
1836 strcat (buf, info->type_stack->vtable);
1837 free (info->type_stack->vtable);
1838 info->type_stack->vtable = NULL;
1839 }
1840
1841 /* Replace the string on the top of the stack with the complete
1842 class definition. */
1843 free (info->type_stack->string);
1844 info->type_stack->string = buf;
1845
b34976b6 1846 return TRUE;
252b5132
RH		 1847}
1848
1849/* Push a typedef which was previously defined. */
1850
b34976b6 1851static bfd_boolean
2da42df6 1852stab_typedef_type (void *p, const char *name)
252b5132
RH		 1853{
1854 struct stab_write_handle *info = (struct stab_write_handle *) p;
1855 struct string_hash_entry *h;
1856
b34976b6 1857 h = string_hash_lookup (&info->typedef_hash, name, FALSE, FALSE);
252b5132
RH		 1858 assert (h != NULL && h->index > 0);
1859
1860 return stab_push_defined_type (info, h->index, h->size);
1861}
1862
1863/* Push a struct, union or class tag. */
1864
b34976b6 1865static bfd_boolean
2da42df6
AJ		 1866stab_tag_type (void *p, const char *name, unsigned int id,
1867 enum debug_type_kind kind)
252b5132
RH		 1868{
1869 struct stab_write_handle *info = (struct stab_write_handle *) p;
1870 long index;
20de9fc8 1871 unsigned int size = 0;
252b5132
RH		 1872
1873 index = stab_get_struct_index (info, name, id, kind, &size);
1874 if (index < 0)
b34976b6 1875 return FALSE;
252b5132
RH		 1876
1877 return stab_push_defined_type (info, index, size);
1878}
1879
1880/* Define a typedef. */
1881
b34976b6 1882static bfd_boolean
2da42df6 1883stab_typdef (void *p, const char *name)
252b5132
RH		 1884{
1885 struct stab_write_handle *info = (struct stab_write_handle *) p;
1886 long index;
1887 unsigned int size;
1888 char *s, *buf;
1889 struct string_hash_entry *h;
1890
1891 index = info->type_stack->index;
1892 size = info->type_stack->size;
1893 s = stab_pop_type (info);
1894
1895 buf = (char *) xmalloc (strlen (name) + strlen (s) + 20);
1896
1897 if (index > 0)
1898 sprintf (buf, "%s:t%s", name, s);
1899 else
1900 {
1901 index = info->type_index;
1902 ++info->type_index;
1903 sprintf (buf, "%s:t%ld=%s", name, index, s);
1904 }
1905
1906 free (s);
1907
1908 if (! stab_write_symbol (info, N_LSYM, 0, 0, buf))
b34976b6 1909 return FALSE;
252b5132
RH		 1910
1911 free (buf);
1912
b34976b6 1913 h = string_hash_lookup (&info->typedef_hash, name, TRUE, FALSE);
252b5132
RH		 1914 if (h == NULL)
1915 {
37cc8ec1
AM		 1916 non_fatal (_("string_hash_lookup failed: %s"),
1917 bfd_errmsg (bfd_get_error ()));
b34976b6 1918 return FALSE;
252b5132
RH		 1919 }
1920
1921 /* I don't think we care about redefinitions. */
1922
1923 h->index = index;
1924 h->size = size;
1925
b34976b6 1926 return TRUE;
252b5132
RH		 1927}
1928
1929/* Define a tag. */
1930
b34976b6 1931static bfd_boolean
2da42df6 1932stab_tag (void *p, const char *tag)
252b5132
RH		 1933{
1934 struct stab_write_handle *info = (struct stab_write_handle *) p;
1935 char *s, *buf;
1936
1937 s = stab_pop_type (info);
1938
1939 buf = (char *) xmalloc (strlen (tag) + strlen (s) + 3);
1940
1941 sprintf (buf, "%s:T%s", tag, s);
1942 free (s);
1943
1944 if (! stab_write_symbol (info, N_LSYM, 0, 0, buf))
b34976b6 1945 return FALSE;
252b5132
RH		 1946
1947 free (buf);
1948
b34976b6 1949 return TRUE;
252b5132
RH		 1950}
1951
1952/* Define an integer constant. */
1953
b34976b6 1954static bfd_boolean
2da42df6 1955stab_int_constant (void *p, const char *name, bfd_vma val)
252b5132
RH		 1956{
1957 struct stab_write_handle *info = (struct stab_write_handle *) p;
1958 char *buf;
1959
1960 buf = (char *) xmalloc (strlen (name) + 20);
1961 sprintf (buf, "%s:c=i%ld", name, (long) val);
1962
1963 if (! stab_write_symbol (info, N_LSYM, 0, 0, buf))
b34976b6 1964 return FALSE;
252b5132
RH		 1965
1966 free (buf);
1967
b34976b6 1968 return TRUE;
252b5132
RH		 1969}
1970
1971/* Define a floating point constant. */
1972
b34976b6 1973static bfd_boolean
2da42df6 1974stab_float_constant (void *p, const char *name, double val)
252b5132
RH		 1975{
1976 struct stab_write_handle *info = (struct stab_write_handle *) p;
1977 char *buf;
1978
1979 buf = (char *) xmalloc (strlen (name) + 20);
1980 sprintf (buf, "%s:c=f%g", name, val);
1981
1982 if (! stab_write_symbol (info, N_LSYM, 0, 0, buf))
b34976b6 1983 return FALSE;
252b5132
RH		 1984
1985 free (buf);
1986
b34976b6 1987 return TRUE;
252b5132
RH		 1988}
1989
1990/* Define a typed constant. */
1991
b34976b6 1992static bfd_boolean
2da42df6 1993stab_typed_constant (void *p, const char *name, bfd_vma val)
252b5132
RH		 1994{
1995 struct stab_write_handle *info = (struct stab_write_handle *) p;
1996 char *s, *buf;
1997
1998 s = stab_pop_type (info);
1999
2000 buf = (char *) xmalloc (strlen (name) + strlen (s) + 20);
2001 sprintf (buf, "%s:c=e%s,%ld", name, s, (long) val);
2002 free (s);
2003
2004 if (! stab_write_symbol (info, N_LSYM, 0, 0, buf))
b34976b6 2005 return FALSE;
252b5132
RH		 2006
2007 free (buf);
2008
b34976b6 2009 return TRUE;
252b5132
RH		 2010}
2011
2012/* Record a variable. */
2013
b34976b6 2014static bfd_boolean
2da42df6
AJ		 2015stab_variable (void *p, const char *name, enum debug_var_kind kind,
2016 bfd_vma val)
252b5132
RH		 2017{
2018 struct stab_write_handle *info = (struct stab_write_handle *) p;
2019 char *s, *buf;
2020 int stab_type;
2021 const char *kindstr;
2022
2023 s = stab_pop_type (info);
2024
2025 switch (kind)
2026 {
2027 default:
2028 abort ();
2029
2030 case DEBUG_GLOBAL:
2031 stab_type = N_GSYM;
2032 kindstr = "G";
2033 break;
2034
2035 case DEBUG_STATIC:
2036 stab_type = N_STSYM;
2037 kindstr = "S";
2038 break;
2039
2040 case DEBUG_LOCAL_STATIC:
2041 stab_type = N_STSYM;
2042 kindstr = "V";
2043 break;
2044
2045 case DEBUG_LOCAL:
2046 stab_type = N_LSYM;
2047 kindstr = "";
2048
2049 /* Make sure that this is a type reference or definition. */
3882b010 2050 if (! ISDIGIT (*s))
252b5132
RH		 2051 {
2052 char *n;
2053 long index;
2054
2055 index = info->type_index;
2056 ++info->type_index;
2057 n = (char *) xmalloc (strlen (s) + 20);
2058 sprintf (n, "%ld=%s", index, s);
2059 free (s);
2060 s = n;
2061 }
2062 break;
2063
2064 case DEBUG_REGISTER:
2065 stab_type = N_RSYM;
2066 kindstr = "r";
2067 break;
2068 }
2069
2070 buf = (char *) xmalloc (strlen (name) + strlen (s) + 3);
2071 sprintf (buf, "%s:%s%s", name, kindstr, s);
2072 free (s);
2073
2074 if (! stab_write_symbol (info, stab_type, 0, val, buf))
b34976b6 2075 return FALSE;
252b5132
RH		 2076
2077 free (buf);
2078
b34976b6 2079 return TRUE;
252b5132
RH		 2080}
2081
2082/* Start outputting a function. */
2083
b34976b6 2084static bfd_boolean
2da42df6 2085stab_start_function (void *p, const char *name, bfd_boolean globalp)
252b5132
RH		 2086{
2087 struct stab_write_handle *info = (struct stab_write_handle *) p;
2088 char *rettype, *buf;
2089
2090 assert (info->nesting == 0 && info->fun_offset == -1);
2091
2092 rettype = stab_pop_type (info);
2093
2094 buf = (char *) xmalloc (strlen (name) + strlen (rettype) + 3);
2095 sprintf (buf, "%s:%c%s", name,
2096 globalp ? 'F' : 'f',
2097 rettype);
2098
2099 /* We don't know the value now, so we set it in start_block. */
2100 info->fun_offset = info->symbols_size;
2101
2102 if (! stab_write_symbol (info, N_FUN, 0, 0, buf))
b34976b6 2103 return FALSE;
252b5132
RH		 2104
2105 free (buf);
2106
b34976b6 2107 return TRUE;
252b5132
RH		 2108}
2109
2110/* Output a function parameter. */
2111
b34976b6 2112static bfd_boolean
2da42df6 2113stab_function_parameter (void *p, const char *name, enum debug_parm_kind kind, bfd_vma val)
252b5132
RH		 2114{
2115 struct stab_write_handle *info = (struct stab_write_handle *) p;
2116 char *s, *buf;
2117 int stab_type;
2118 char kindc;
2119
2120 s = stab_pop_type (info);
2121
2122 switch (kind)
2123 {
2124 default:
2125 abort ();
2126
2127 case DEBUG_PARM_STACK:
2128 stab_type = N_PSYM;
2129 kindc = 'p';
2130 break;
2131
2132 case DEBUG_PARM_REG:
2133 stab_type = N_RSYM;
2134 kindc = 'P';
2135 break;
2136
2137 case DEBUG_PARM_REFERENCE:
2138 stab_type = N_PSYM;
2139 kindc = 'v';
2140 break;
2141
2142 case DEBUG_PARM_REF_REG:
2143 stab_type = N_RSYM;
2144 kindc = 'a';
2145 break;
2146 }
2147
2148 buf = (char *) xmalloc (strlen (name) + strlen (s) + 3);
2149 sprintf (buf, "%s:%c%s", name, kindc, s);
2150 free (s);
2151
2152 if (! stab_write_symbol (info, stab_type, 0, val, buf))
b34976b6 2153 return FALSE;
252b5132
RH		 2154
2155 free (buf);
2156
b34976b6 2157 return TRUE;
252b5132
RH		 2158}
2159
2160/* Start a block. */
2161
b34976b6 2162static bfd_boolean
2da42df6 2163stab_start_block (void *p, bfd_vma addr)
252b5132
RH		 2164{
2165 struct stab_write_handle *info = (struct stab_write_handle *) p;
2166
2167 /* Fill in any slots which have been waiting for the first known
2168 text address. */
2169
2170 if (info->so_offset != -1)
2171 {
2172 bfd_put_32 (info->abfd, addr, info->symbols + info->so_offset + 8);
2173 info->so_offset = -1;
2174 }
2175
2176 if (info->fun_offset != -1)
2177 {
2178 bfd_put_32 (info->abfd, addr, info->symbols + info->fun_offset + 8);
2179 info->fun_offset = -1;
2180 }
2181
2182 ++info->nesting;
2183
2184 /* We will be called with a top level block surrounding the
2185 function, but stabs information does not output that block, so we
2186 ignore it. */
2187
2188 if (info->nesting == 1)
2189 {
2190 info->fnaddr = addr;
b34976b6 2191 return TRUE;
252b5132
RH		 2192 }
2193
2194 /* We have to output the LBRAC symbol after any variables which are
2195 declared inside the block. We postpone the LBRAC until the next
2196 start_block or end_block. */
2197
2198 /* If we have postponed an LBRAC, output it now. */
2199 if (info->pending_lbrac != (bfd_vma) -1)
2200 {
2201 if (! stab_write_symbol (info, N_LBRAC, 0, info->pending_lbrac,
2202 (const char *) NULL))
b34976b6 2203 return FALSE;
252b5132
RH		 2204 }
2205
2206 /* Remember the address and output it later. */
2207
2208 info->pending_lbrac = addr - info->fnaddr;
2209
b34976b6 2210 return TRUE;
252b5132
RH		 2211}
2212
2213/* End a block. */
2214
b34976b6 2215static bfd_boolean
2da42df6 2216stab_end_block (void *p, bfd_vma addr)
252b5132
RH		 2217{
2218 struct stab_write_handle *info = (struct stab_write_handle *) p;
2219
2220 if (addr > info->last_text_address)
2221 info->last_text_address = addr;
2222
2223 /* If we have postponed an LBRAC, output it now. */
2224 if (info->pending_lbrac != (bfd_vma) -1)
2225 {
2226 if (! stab_write_symbol (info, N_LBRAC, 0, info->pending_lbrac,
2227 (const char *) NULL))
b34976b6 2228 return FALSE;
252b5132
RH		 2229 info->pending_lbrac = (bfd_vma) -1;
2230 }
2231
2232 assert (info->nesting > 0);
2233
2234 --info->nesting;
2235
2236 /* We ignore the outermost block. */
2237 if (info->nesting == 0)
b34976b6 2238 return TRUE;
252b5132
RH		 2239
2240 return stab_write_symbol (info, N_RBRAC, 0, addr - info->fnaddr,
2241 (const char *) NULL);
2242}
2243
2244/* End a function. */
2245
b34976b6 2246static bfd_boolean
2da42df6 2247stab_end_function (void *p ATTRIBUTE_UNUSED)
252b5132 2248{
b34976b6 2249 return TRUE;
252b5132
RH		 2250}
2251
2252/* Output a line number. */
2253
b34976b6 2254static bfd_boolean
2da42df6 2255stab_lineno (void *p, const char *file, unsigned long lineno, bfd_vma addr)
252b5132
RH		 2256{
2257 struct stab_write_handle *info = (struct stab_write_handle *) p;
2258
2259 assert (info->lineno_filename != NULL);
2260
2261 if (addr > info->last_text_address)
2262 info->last_text_address = addr;
2263
2264 if (strcmp (file, info->lineno_filename) != 0)
2265 {
2266 if (! stab_write_symbol (info, N_SOL, 0, addr, file))
b34976b6 2267 return FALSE;
252b5132
RH		 2268 info->lineno_filename = file;
2269 }
2270
2271 return stab_write_symbol (info, N_SLINE, lineno, addr - info->fnaddr,
2272 (const char *) NULL);
2273}
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