1 /* wrstabs.c -- Output stabs debugging information
2 Copyright (C) 1996-2019 Free Software Foundation, Inc.
3 Written by Ian Lance Taylor <ian@cygnus.com>.
5 This file is part of GNU Binutils.
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 3 of the License, or
10 (at your option) any later version.
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.
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., 51 Franklin Street - Fifth Floor, Boston, MA
22 /* This file contains code which writes out stabs debugging
28 #include "libiberty.h"
29 #include "filenames.h"
30 #include "safe-ctype.h"
34 #include "aout/aout64.h"
35 #include "aout/stab_gnu.h"
37 /* The size of a stabs symbol. This presumes 32 bit values. */
39 #define STAB_SYMBOL_SIZE (12)
41 /* An entry in a string hash table. */
43 struct string_hash_entry
45 struct bfd_hash_entry root;
46 /* Next string in this table. */
47 struct string_hash_entry *next;
48 /* Index in string table. */
50 /* Size of type if this is a typedef. */
54 /* A string hash table. */
56 struct string_hash_table
58 struct bfd_hash_table table;
61 /* The type stack. Each element on the stack is a string. */
63 struct stab_type_stack
65 /* The next element on the stack. */
66 struct stab_type_stack *next;
67 /* This element as a string. */
69 /* The type index of this element. */
71 /* The size of the type. */
73 /* Whether type string defines a new type. */
74 bfd_boolean definition;
75 /* String defining struct fields. */
77 /* NULL terminated array of strings defining base classes for a
80 /* String defining class methods. */
82 /* String defining vtable pointer for a class. */
86 /* This structure is used to keep track of type indices for tagged
95 /* The kind of type. This is set to DEBUG_KIND_ILLEGAL when the
97 enum debug_type_kind kind;
98 /* The size of the struct. */
102 /* We remember various sorts of type indices. They are not related,
103 but, for convenience, we keep all the information in this
106 struct stab_type_cache
108 /* The void type index. */
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. */
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;
130 /* This is the handle passed through debug_write. */
132 struct stab_write_handle
136 /* This buffer holds the symbols. */
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. */
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. */
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. */
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. */
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. */
168 /* A pending LBRAC symbol. */
169 bfd_vma pending_lbrac;
170 /* The current line number file name. */
171 const char *lineno_filename;
174 static struct bfd_hash_entry *string_hash_newfunc
175 (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
176 static bfd_boolean stab_write_symbol
177 (struct stab_write_handle *, int, int, bfd_vma, const char *);
178 static bfd_boolean stab_push_string
179 (struct stab_write_handle *, const char *, long, bfd_boolean, unsigned int);
180 static bfd_boolean stab_push_defined_type
181 (struct stab_write_handle *, long, unsigned int);
182 static char *stab_pop_type (struct stab_write_handle *);
183 static bfd_boolean stab_modify_type
184 (struct stab_write_handle *, int, unsigned int, long **, size_t *);
185 static long stab_get_struct_index
186 (struct stab_write_handle *, const char *, unsigned int,
187 enum debug_type_kind, unsigned int *);
188 static bfd_boolean stab_class_method_var
189 (struct stab_write_handle *, const char *, enum debug_visibility,
190 bfd_boolean, bfd_boolean, bfd_boolean, bfd_vma, bfd_boolean);
191 static bfd_boolean stab_start_compilation_unit (void *, const char *);
192 static bfd_boolean stab_start_source (void *, const char *);
193 static bfd_boolean stab_empty_type (void *);
194 static bfd_boolean stab_void_type (void *);
195 static bfd_boolean stab_int_type (void *, unsigned int, bfd_boolean);
196 static bfd_boolean stab_float_type (void *, unsigned int);
197 static bfd_boolean stab_complex_type (void *, unsigned int);
198 static bfd_boolean stab_bool_type (void *, unsigned int);
199 static bfd_boolean stab_enum_type
200 (void *, const char *, const char **, bfd_signed_vma *);
201 static bfd_boolean stab_pointer_type (void *);
202 static bfd_boolean stab_function_type (void *, int, bfd_boolean);
203 static bfd_boolean stab_reference_type (void *);
204 static bfd_boolean stab_range_type (void *, bfd_signed_vma, bfd_signed_vma);
205 static bfd_boolean stab_array_type
206 (void *, bfd_signed_vma, bfd_signed_vma, bfd_boolean);
207 static bfd_boolean stab_set_type (void *, bfd_boolean);
208 static bfd_boolean stab_offset_type (void *);
209 static bfd_boolean stab_method_type (void *, bfd_boolean, int, bfd_boolean);
210 static bfd_boolean stab_const_type (void *);
211 static bfd_boolean stab_volatile_type (void *);
212 static bfd_boolean stab_start_struct_type
213 (void *, const char *, unsigned int, bfd_boolean, unsigned int);
214 static bfd_boolean stab_struct_field
215 (void *, const char *, bfd_vma, bfd_vma, enum debug_visibility);
216 static bfd_boolean stab_end_struct_type (void *);
217 static bfd_boolean stab_start_class_type
218 (void *, const char *, unsigned int, bfd_boolean, unsigned int,
219 bfd_boolean, bfd_boolean);
220 static bfd_boolean stab_class_static_member
221 (void *, const char *, const char *, enum debug_visibility);
222 static bfd_boolean stab_class_baseclass
223 (void *, bfd_vma, bfd_boolean, enum debug_visibility);
224 static bfd_boolean stab_class_start_method (void *, const char *);
225 static bfd_boolean stab_class_method_variant
226 (void *, const char *, enum debug_visibility, bfd_boolean, bfd_boolean,
227 bfd_vma, bfd_boolean);
228 static bfd_boolean stab_class_static_method_variant
229 (void *, const char *, enum debug_visibility, bfd_boolean, bfd_boolean);
230 static bfd_boolean stab_class_end_method (void *);
231 static bfd_boolean stab_end_class_type (void *);
232 static bfd_boolean stab_typedef_type (void *, const char *);
233 static bfd_boolean stab_tag_type
234 (void *, const char *, unsigned int, enum debug_type_kind);
235 static bfd_boolean stab_typdef (void *, const char *);
236 static bfd_boolean stab_tag (void *, const char *);
237 static bfd_boolean stab_int_constant (void *, const char *, bfd_vma);
238 static bfd_boolean stab_float_constant (void *, const char *, double);
239 static bfd_boolean stab_typed_constant (void *, const char *, bfd_vma);
240 static bfd_boolean stab_variable
241 (void *, const char *, enum debug_var_kind, bfd_vma);
242 static bfd_boolean stab_start_function (void *, const char *, bfd_boolean);
243 static bfd_boolean stab_function_parameter
244 (void *, const char *, enum debug_parm_kind, bfd_vma);
245 static bfd_boolean stab_start_block (void *, bfd_vma);
246 static bfd_boolean stab_end_block (void *, bfd_vma);
247 static bfd_boolean stab_end_function (void *);
248 static bfd_boolean stab_lineno (void *, const char *, unsigned long, bfd_vma);
250 static const struct debug_write_fns stab_fns =
252 stab_start_compilation_unit,
271 stab_start_struct_type,
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,
291 stab_function_parameter,
298 /* Routine to create an entry in a string hash table. */
300 static struct bfd_hash_entry *
301 string_hash_newfunc (struct bfd_hash_entry *entry,
302 struct bfd_hash_table *table, const char *string)
304 struct string_hash_entry *ret = (struct string_hash_entry *) entry;
306 /* Allocate the structure if it has not already been allocated by a
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)
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));
320 /* Initialize the local fields. */
326 return (struct bfd_hash_entry *) ret;
329 /* Look up an entry in a string hash table. */
331 #define string_hash_lookup(t, string, create, copy) \
332 ((struct string_hash_entry *) \
333 bfd_hash_lookup (&(t)->table, (string), (create), (copy)))
335 /* Add a symbol to the stabs debugging information we are building. */
338 stab_write_symbol (struct stab_write_handle *info, int type, int desc,
339 bfd_vma value, const char *string)
342 bfd_byte sym[STAB_SYMBOL_SIZE];
348 struct string_hash_entry *h;
350 h = string_hash_lookup (&info->strhash, string, TRUE, TRUE);
353 non_fatal (_("string_hash_lookup failed: %s"),
354 bfd_errmsg (bfd_get_error ()));
361 strx = info->strings_size;
363 if (info->last_string == NULL)
366 info->last_string->next = h;
367 info->last_string = h;
368 info->strings_size += strlen (string) + 1;
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);
379 if (info->symbols_size + STAB_SYMBOL_SIZE > info->symbols_alloc)
381 info->symbols_alloc *= 2;
382 info->symbols = (bfd_byte *) xrealloc (info->symbols,
383 info->symbols_alloc);
386 memcpy (info->symbols + info->symbols_size, sym, STAB_SYMBOL_SIZE);
388 info->symbols_size += STAB_SYMBOL_SIZE;
393 /* Push a string on to the type stack. */
396 stab_push_string (struct stab_write_handle *info, const char *string,
397 long tindex, bfd_boolean definition, unsigned int size)
399 struct stab_type_stack *s;
401 s = (struct stab_type_stack *) xmalloc (sizeof *s);
402 s->string = xstrdup (string);
404 s->definition = definition;
408 s->baseclasses = NULL;
412 s->next = info->type_stack;
413 info->type_stack = s;
418 /* Push a type index which has already been defined. */
421 stab_push_defined_type (struct stab_write_handle *info, long tindex,
426 sprintf (buf, "%ld", tindex);
427 return stab_push_string (info, buf, tindex, FALSE, size);
430 /* Pop a type off the type stack. The caller is responsible for
431 freeing the string. */
434 stab_pop_type (struct stab_write_handle *info)
436 struct stab_type_stack *s;
439 s = info->type_stack;
442 info->type_stack = s->next;
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. */
461 write_stabs_in_sections_debugging_info (bfd *abfd, void *dhandle,
463 bfd_size_type *psymsize,
465 bfd_size_type *pstringsize)
467 struct stab_write_handle info;
468 struct string_hash_entry *h;
473 info.symbols_size = 0;
474 info.symbols_alloc = 500;
475 info.symbols = (bfd_byte *) xmalloc (info.symbols_alloc);
478 info.last_string = NULL;
479 /* Reserve 1 byte for a null byte. */
480 info.strings_size = 1;
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)))
487 non_fatal ("bfd_hash_table_init_failed: %s",
488 bfd_errmsg (bfd_get_error ()));
492 info.type_stack = NULL;
494 memset (&info.type_cache, 0, sizeof info.type_cache);
496 info.fun_offset = -1;
497 info.last_text_address = 0;
500 info.pending_lbrac = (bfd_vma) -1;
502 /* The initial symbol holds the string size. */
503 if (! stab_write_symbol (&info, 0, 0, 0, (const char *) NULL))
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)))
511 if (! debug_write (dhandle, &stab_fns, (void *) &info))
514 assert (info.pending_lbrac == (bfd_vma) -1);
516 /* Output a trailing N_SO. */
517 if (! stab_write_symbol (&info, N_SO, 0, info.last_text_address,
518 (const char *) NULL))
521 /* Put the string size in the initial symbol. */
522 bfd_put_32 (abfd, info.strings_size, info.symbols + 8);
524 *psyms = info.symbols;
525 *psymsize = info.symbols_size;
527 *pstringsize = info.strings_size;
528 *pstrings = (bfd_byte *) xmalloc (info.strings_size);
532 for (h = info.strings; h != NULL; h = h->next)
534 strcpy ((char *) p, h->root.string);
535 p += strlen ((char *) p) + 1;
541 /* Start writing out information for a compilation unit. */
544 stab_start_compilation_unit (void *p, const char *filename)
546 struct stab_write_handle *info = (struct stab_write_handle *) p;
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. */
553 info->lineno_filename = filename;
555 return stab_write_symbol (info, N_SOL, 0, 0, filename);
558 /* Start writing out information for a particular source file. */
561 stab_start_source (void *p, const char *filename)
563 struct stab_write_handle *info = (struct stab_write_handle *) p;
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. */
569 info->lineno_filename = filename;
571 return stab_write_symbol (info, N_SOL, 0, 0, filename);
574 /* Push an empty type. This shouldn't normally happen. We just use a
578 stab_empty_type (void *p)
580 struct stab_write_handle *info = (struct stab_write_handle *) p;
582 /* We don't call stab_void_type if the type is not yet defined,
583 because that might screw up the typedef. */
585 if (info->type_cache.void_type != 0)
586 return stab_push_defined_type (info, info->type_cache.void_type, 0);
592 tindex = info->type_index;
595 sprintf (buf, "%ld=%ld", tindex, tindex);
597 return stab_push_string (info, buf, tindex, FALSE, 0);
601 /* Push a void type. */
604 stab_void_type (void *p)
606 struct stab_write_handle *info = (struct stab_write_handle *) p;
608 if (info->type_cache.void_type != 0)
609 return stab_push_defined_type (info, info->type_cache.void_type, 0);
615 tindex = info->type_index;
618 info->type_cache.void_type = tindex;
620 sprintf (buf, "%ld=%ld", tindex, tindex);
622 return stab_push_string (info, buf, tindex, TRUE, 0);
626 /* Push an integer type. */
629 stab_int_type (void *p, unsigned int size, bfd_boolean unsignedp)
631 struct stab_write_handle *info = (struct stab_write_handle *) p;
634 if (size <= 0 || (size > sizeof (long) && size != 8))
636 non_fatal (_("stab_int_type: bad size %u"), size);
641 cache = info->type_cache.signed_integer_types;
643 cache = info->type_cache.unsigned_integer_types;
645 if (cache[size - 1] != 0)
646 return stab_push_defined_type (info, cache[size - 1], size);
652 tindex = info->type_index;
655 cache[size - 1] = tindex;
657 sprintf (buf, "%ld=r%ld;", tindex, tindex);
661 if (size < sizeof (long))
662 sprintf (buf + strlen (buf), "%ld;", ((long) 1 << (size * 8)) - 1);
663 else if (size == sizeof (long))
666 strcat (buf, "01777777777777777777777;");
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));
677 strcat (buf, "01000000000000000000000;0777777777777777777777;");
682 return stab_push_string (info, buf, tindex, TRUE, size);
686 /* Push a floating point type. */
689 stab_float_type (void *p, unsigned int size)
691 struct stab_write_handle *info = (struct stab_write_handle *) p;
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],
706 /* Floats are defined as a subrange of int. */
707 if (! stab_int_type (info, 4, FALSE))
709 int_type = stab_pop_type (info);
711 tindex = info->type_index;
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] = tindex;
719 sprintf (buf, "%ld=r%s;%u;0;", tindex, int_type, size);
723 return stab_push_string (info, buf, tindex, TRUE, size);
727 /* Push a complex type. */
730 stab_complex_type (void *p, unsigned int size)
732 struct stab_write_handle *info = (struct stab_write_handle *) p;
736 tindex = info->type_index;
739 sprintf (buf, "%ld=r%ld;%u;0;", tindex, tindex, size);
741 return stab_push_string (info, buf, tindex, TRUE, size * 2);
744 /* Push a bfd_boolean type. We use an XCOFF predefined type, since gdb
745 always recognizes them. */
748 stab_bool_type (void *p, unsigned int size)
750 struct stab_write_handle *info = (struct stab_write_handle *) p;
773 return stab_push_defined_type (info, tindex, size);
776 /* Push an enum type. */
779 stab_enum_type (void *p, const char *tag, const char **names,
780 bfd_signed_vma *vals)
782 struct stab_write_handle *info = (struct stab_write_handle *) p;
791 assert (tag != NULL);
793 buf = (char *) xmalloc (10 + strlen (tag));
794 sprintf (buf, "xe%s:", tag);
795 /* FIXME: The size is just a guess. */
796 if (! stab_push_string (info, buf, 0, FALSE, 4))
805 for (pn = names; *pn != NULL; pn++)
806 len += strlen (*pn) + 20;
808 buf = (char *) xmalloc (len);
814 tindex = info->type_index;
816 sprintf (buf, "%s:T%ld=e", tag, tindex);
819 for (pn = names, pv = vals; *pn != NULL; pn++, pv++)
820 sprintf (buf + strlen (buf), "%s:%ld,", *pn, (long) *pv);
825 /* FIXME: The size is just a guess. */
826 if (! stab_push_string (info, buf, 0, FALSE, 4))
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, tindex, 4))
842 /* Push a modification of the top type on the stack. Cache the
843 results in CACHE and CACHE_ALLOC. */
846 stab_modify_type (struct stab_write_handle *info, int mod,
847 unsigned int size, long **cache, size_t *cache_alloc)
853 assert (info->type_stack != NULL);
854 targindex = info->type_stack->index;
859 bfd_boolean definition;
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);
869 if (! stab_push_string (info, buf, 0, definition, size))
875 if ((size_t) targindex >= *cache_alloc)
879 alloc = *cache_alloc;
882 while ((size_t) targindex >= alloc)
884 *cache = (long *) xrealloc (*cache, alloc * sizeof (long));
885 memset (*cache + *cache_alloc, 0,
886 (alloc - *cache_alloc) * sizeof (long));
887 *cache_alloc = alloc;
890 tindex = (*cache)[targindex];
891 if (tindex != 0 && ! info->type_stack->definition)
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
899 free (stab_pop_type (info));
900 if (! stab_push_defined_type (info, tindex, size))
905 tindex = info->type_index;
908 s = stab_pop_type (info);
909 buf = (char *) xmalloc (strlen (s) + 20);
910 sprintf (buf, "%ld=%c%s", tindex, mod, s);
913 (*cache)[targindex] = tindex;
915 if (! stab_push_string (info, buf, tindex, TRUE, size))
925 /* Push a pointer type. */
928 stab_pointer_type (void *p)
930 struct stab_write_handle *info = (struct stab_write_handle *) p;
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);
937 /* Push a function type. */
940 stab_function_type (void *p, int argcount,
941 bfd_boolean varargs ATTRIBUTE_UNUSED)
943 struct stab_write_handle *info = (struct stab_write_handle *) p;
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++)
951 if (! info->type_stack->definition)
952 free (stab_pop_type (info));
957 s = stab_pop_type (info);
959 buf = (char *) xmalloc (strlen (s) + 3);
960 sprintf (buf, ":t%s", s);
963 if (! stab_write_symbol (info, N_LSYM, 0, 0, buf))
970 return stab_modify_type (info, 'f', 0, &info->type_cache.function_types,
971 &info->type_cache.function_types_alloc);
974 /* Push a reference type. */
977 stab_reference_type (void *p)
979 struct stab_write_handle *info = (struct stab_write_handle *) p;
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);
986 /* Push a range type. */
989 stab_range_type (void *p, bfd_signed_vma low, bfd_signed_vma high)
991 struct stab_write_handle *info = (struct stab_write_handle *) p;
992 bfd_boolean definition;
996 definition = info->type_stack->definition;
997 size = info->type_stack->size;
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);
1004 if (! stab_push_string (info, buf, 0, definition, size))
1012 /* Push an array type. */
1015 stab_array_type (void *p, bfd_signed_vma low, bfd_signed_vma high,
1016 bfd_boolean stringp)
1018 struct stab_write_handle *info = (struct stab_write_handle *) p;
1019 bfd_boolean definition;
1020 unsigned int element_size;
1021 char *range, *element, *buf;
1025 definition = info->type_stack->definition;
1026 range = stab_pop_type (info);
1028 definition = definition || info->type_stack->definition;
1029 element_size = info->type_stack->size;
1030 element = stab_pop_type (info);
1032 buf = (char *) xmalloc (strlen (range) + strlen (element) + 100);
1041 /* We need to define a type in order to include the string
1043 tindex = info->type_index;
1046 sprintf (buf, "%ld=@S;", tindex);
1049 sprintf (buf + strlen (buf), "ar%s;%ld;%ld;%s",
1050 range, (long) low, (long) high, element);
1057 size = element_size * ((high - low) + 1);
1058 if (! stab_push_string (info, buf, tindex, definition, size))
1066 /* Push a set type. */
1069 stab_set_type (void *p, bfd_boolean bitstringp)
1071 struct stab_write_handle *info = (struct stab_write_handle *) p;
1072 bfd_boolean definition;
1076 definition = info->type_stack->definition;
1078 s = stab_pop_type (info);
1079 buf = (char *) xmalloc (strlen (s) + 30);
1088 /* We need to define a type in order to include the string
1090 tindex = info->type_index;
1093 sprintf (buf, "%ld=@S;", tindex);
1096 sprintf (buf + strlen (buf), "S%s", s);
1099 if (! stab_push_string (info, buf, tindex, definition, 0))
1107 /* Push an offset type. */
1110 stab_offset_type (void *p)
1112 struct stab_write_handle *info = (struct stab_write_handle *) p;
1113 bfd_boolean definition;
1114 char *target, *base, *buf;
1116 definition = info->type_stack->definition;
1117 target = stab_pop_type (info);
1119 definition = definition || info->type_stack->definition;
1120 base = stab_pop_type (info);
1122 buf = (char *) xmalloc (strlen (target) + strlen (base) + 3);
1123 sprintf (buf, "@%s,%s", base, target);
1127 if (! stab_push_string (info, buf, 0, definition, 0))
1135 /* Push a method type. */
1138 stab_method_type (void *p, bfd_boolean domainp, int argcount,
1139 bfd_boolean varargs)
1141 struct stab_write_handle *info = (struct stab_write_handle *) p;
1142 bfd_boolean definition;
1143 char *domain, *return_type, *buf;
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. */
1152 /* We need a domain. I'm not sure DOMAINP can ever be false,
1156 if (! stab_empty_type (p))
1160 definition = info->type_stack->definition;
1161 domain = stab_pop_type (info);
1163 /* A non-varargs function is indicated by making the last parameter
1171 else if (argcount == 0)
1177 args = (char **) xmalloc (1 * sizeof (*args));
1178 if (! stab_empty_type (p))
1180 definition = definition || info->type_stack->definition;
1181 args[0] = stab_pop_type (info);
1187 args = (char **) xmalloc ((argcount + 1) * sizeof (*args));
1188 for (i = argcount - 1; i >= 0; i--)
1190 definition = definition || info->type_stack->definition;
1191 args[i] = stab_pop_type (info);
1195 if (! stab_empty_type (p))
1197 definition = definition || info->type_stack->definition;
1198 args[argcount] = stab_pop_type (info);
1203 definition = definition || info->type_stack->definition;
1204 return_type = stab_pop_type (info);
1206 len = strlen (domain) + strlen (return_type) + 10;
1207 for (i = 0; i < argcount; i++)
1208 len += strlen (args[i]);
1210 buf = (char *) xmalloc (len);
1212 sprintf (buf, "#%s,%s", domain, return_type);
1215 for (i = 0; i < argcount; i++)
1218 strcat (buf, args[i]);
1226 if (! stab_push_string (info, buf, 0, definition, 0))
1234 /* Push a const version of a type. */
1237 stab_const_type (void *p)
1239 struct stab_write_handle *info = (struct stab_write_handle *) p;
1241 return stab_modify_type (info, 'k', info->type_stack->size,
1242 (long **) NULL, (size_t *) NULL);
1245 /* Push a volatile version of a type. */
1248 stab_volatile_type (void *p)
1250 struct stab_write_handle *info = (struct stab_write_handle *) p;
1252 return stab_modify_type (info, 'B', info->type_stack->size,
1253 (long **) NULL, (size_t *) NULL);
1256 /* Get the type index to use for a struct/union/class ID. This should
1257 return -1 if it fails. */
1260 stab_get_struct_index (struct stab_write_handle *info, const char *tag,
1261 unsigned int id, enum debug_type_kind kind,
1262 unsigned int *psize)
1264 if (id >= info->type_cache.struct_types_alloc)
1268 alloc = info->type_cache.struct_types_alloc;
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),
1279 ((alloc - info->type_cache.struct_types_alloc)
1280 * sizeof (struct stab_tag)));
1281 info->type_cache.struct_types_alloc = alloc;
1284 if (info->type_cache.struct_types[id].index == 0)
1286 info->type_cache.struct_types[id].index = info->type_index;
1288 info->type_cache.struct_types[id].tag = tag;
1289 info->type_cache.struct_types[id].kind = kind;
1292 if (kind == DEBUG_KIND_ILLEGAL)
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;
1299 *psize = info->type_cache.struct_types[id].size;
1301 return info->type_cache.struct_types[id].index;
1304 /* Start outputting a struct. We ignore the tag, and handle it in
1308 stab_start_struct_type (void *p, const char *tag, unsigned int id,
1309 bfd_boolean structp, unsigned int size)
1311 struct stab_write_handle *info = (struct stab_write_handle *) p;
1313 bfd_boolean definition;
1324 tindex = stab_get_struct_index (info, tag, id, DEBUG_KIND_ILLEGAL,
1328 sprintf (buf, "%ld=", tindex);
1332 sprintf (buf + strlen (buf), "%c%u",
1333 structp ? 's' : 'u',
1336 if (! stab_push_string (info, buf, tindex, definition, size))
1339 info->type_stack->fields = (char *) xmalloc (1);
1340 info->type_stack->fields[0] = '\0';
1345 /* Add a field to a struct. */
1348 stab_struct_field (void *p, const char *name, bfd_vma bitpos,
1349 bfd_vma bitsize, enum debug_visibility visibility)
1351 struct stab_write_handle *info = (struct stab_write_handle *) p;
1352 bfd_boolean definition;
1357 definition = info->type_stack->definition;
1358 size = info->type_stack->size;
1359 s = stab_pop_type (info);
1361 /* Add this field to the end of the current struct fields, which is
1362 currently on the top of the stack. */
1364 assert (info->type_stack->fields != NULL);
1365 n = (char *) xmalloc (strlen (info->type_stack->fields)
1375 case DEBUG_VISIBILITY_PUBLIC:
1379 case DEBUG_VISIBILITY_PRIVATE:
1383 case DEBUG_VISIBILITY_PROTECTED:
1392 non_fatal (_("%s: warning: unknown size for field `%s' in struct"),
1393 bfd_get_filename (info->abfd), name);
1396 sprintf (n, "%s%s:%s%s,%ld,%ld;", info->type_stack->fields, name, vis, s,
1397 (long) bitpos, (long) bitsize);
1399 free (info->type_stack->fields);
1400 info->type_stack->fields = n;
1403 info->type_stack->definition = TRUE;
1408 /* Finish up a struct. */
1411 stab_end_struct_type (void *p)
1413 struct stab_write_handle *info = (struct stab_write_handle *) p;
1414 bfd_boolean definition;
1417 char *fields, *first, *buf;
1419 assert (info->type_stack != NULL && info->type_stack->fields != NULL);
1421 definition = info->type_stack->definition;
1422 tindex = info->type_stack->index;
1423 size = info->type_stack->size;
1424 fields = info->type_stack->fields;
1425 first = stab_pop_type (info);
1427 buf = (char *) xmalloc (strlen (first) + strlen (fields) + 2);
1428 sprintf (buf, "%s%s;", first, fields);
1432 if (! stab_push_string (info, buf, tindex, definition, size))
1440 /* Start outputting a class. */
1443 stab_start_class_type (void *p, const char *tag, unsigned int id,
1444 bfd_boolean structp, unsigned int size,
1445 bfd_boolean vptr, bfd_boolean ownvptr)
1447 struct stab_write_handle *info = (struct stab_write_handle *) p;
1448 bfd_boolean definition = FALSE;
1449 char *vstring = NULL;
1451 if (vptr && !ownvptr)
1453 definition = info->type_stack->definition;
1454 vstring = stab_pop_type (info);
1457 if (! stab_start_struct_type (p, tag, id, structp, size))
1466 assert (info->type_stack->index > 0);
1467 vtable = (char *) xmalloc (20);
1468 sprintf (vtable, "~%%%ld", info->type_stack->index);
1473 vtable = (char *) xmalloc (strlen (vstring) + 3);
1474 sprintf (vtable, "~%%%s", vstring);
1477 info->type_stack->definition = TRUE;
1479 info->type_stack->vtable = vtable;
1485 /* Add a static member to the class on the type stack. */
1488 stab_class_static_member (void *p, const char *name, const char *physname,
1489 enum debug_visibility visibility)
1491 struct stab_write_handle *info = (struct stab_write_handle *) p;
1492 bfd_boolean definition;
1496 definition = info->type_stack->definition;
1497 s = stab_pop_type (info);
1499 /* Add this field to the end of the current struct fields, which is
1500 currently on the top of the stack. */
1502 assert (info->type_stack->fields != NULL);
1503 n = (char *) xmalloc (strlen (info->type_stack->fields)
1514 case DEBUG_VISIBILITY_PUBLIC:
1518 case DEBUG_VISIBILITY_PRIVATE:
1522 case DEBUG_VISIBILITY_PROTECTED:
1527 sprintf (n, "%s%s:%s%s:%s;", info->type_stack->fields, name, vis, s,
1530 free (info->type_stack->fields);
1531 info->type_stack->fields = n;
1534 info->type_stack->definition = TRUE;
1539 /* Add a base class to the class on the type stack. */
1542 stab_class_baseclass (void *p, bfd_vma bitpos, bfd_boolean is_virtual,
1543 enum debug_visibility visibility)
1545 struct stab_write_handle *info = (struct stab_write_handle *) p;
1546 bfd_boolean definition;
1552 definition = info->type_stack->definition;
1553 s = stab_pop_type (info);
1555 /* Build the base class specifier. */
1557 buf = (char *) xmalloc (strlen (s) + 25);
1558 buf[0] = is_virtual ? '1' : '0';
1564 case DEBUG_VISIBILITY_PRIVATE:
1568 case DEBUG_VISIBILITY_PROTECTED:
1572 case DEBUG_VISIBILITY_PUBLIC:
1577 sprintf (buf + 2, "%ld,%s;", (long) bitpos, s);
1580 /* Add the new baseclass to the existing ones. */
1582 assert (info->type_stack != NULL && info->type_stack->fields != NULL);
1584 if (info->type_stack->baseclasses == NULL)
1589 while (info->type_stack->baseclasses[c] != NULL)
1593 baseclasses = (char **) xrealloc (info->type_stack->baseclasses,
1594 (c + 2) * sizeof (*baseclasses));
1595 baseclasses[c] = buf;
1596 baseclasses[c + 1] = NULL;
1598 info->type_stack->baseclasses = baseclasses;
1601 info->type_stack->definition = TRUE;
1606 /* Start adding a method to the class on the type stack. */
1609 stab_class_start_method (void *p, const char *name)
1611 struct stab_write_handle *info = (struct stab_write_handle *) p;
1614 assert (info->type_stack != NULL && info->type_stack->fields != NULL);
1616 if (info->type_stack->methods == NULL)
1618 m = (char *) xmalloc (strlen (name) + 3);
1623 m = (char *) xrealloc (info->type_stack->methods,
1624 (strlen (info->type_stack->methods)
1629 sprintf (m + strlen (m), "%s::", name);
1631 info->type_stack->methods = m;
1636 /* Add a variant, either static or not, to the current method. */
1639 stab_class_method_var (struct stab_write_handle *info, const char *physname,
1640 enum debug_visibility visibility,
1641 bfd_boolean staticp, bfd_boolean constp,
1642 bfd_boolean volatilep, bfd_vma voffset,
1643 bfd_boolean contextp)
1645 bfd_boolean definition;
1647 char *context = NULL;
1648 char visc, qualc, typec;
1650 definition = info->type_stack->definition;
1651 type = stab_pop_type (info);
1655 definition = definition || info->type_stack->definition;
1656 context = stab_pop_type (info);
1659 assert (info->type_stack != NULL && info->type_stack->methods != NULL);
1666 case DEBUG_VISIBILITY_PRIVATE:
1670 case DEBUG_VISIBILITY_PROTECTED:
1674 case DEBUG_VISIBILITY_PUBLIC:
1696 else if (! contextp)
1701 info->type_stack->methods =
1702 (char *) xrealloc (info->type_stack->methods,
1703 (strlen (info->type_stack->methods)
1706 + (contextp ? strlen (context) : 0)
1709 sprintf (info->type_stack->methods + strlen (info->type_stack->methods),
1710 "%s:%s;%c%c%c", type, physname, visc, qualc, typec);
1715 sprintf (info->type_stack->methods + strlen (info->type_stack->methods),
1716 "%ld;%s;", (long) voffset, context);
1721 info->type_stack->definition = TRUE;
1726 /* Add a variant to the current method. */
1729 stab_class_method_variant (void *p, const char *physname,
1730 enum debug_visibility visibility,
1731 bfd_boolean constp, bfd_boolean volatilep,
1732 bfd_vma voffset, bfd_boolean contextp)
1734 struct stab_write_handle *info = (struct stab_write_handle *) p;
1736 return stab_class_method_var (info, physname, visibility, FALSE, constp,
1737 volatilep, voffset, contextp);
1740 /* Add a static variant to the current method. */
1743 stab_class_static_method_variant (void *p, const char *physname,
1744 enum debug_visibility visibility,
1745 bfd_boolean constp, bfd_boolean volatilep)
1747 struct stab_write_handle *info = (struct stab_write_handle *) p;
1749 return stab_class_method_var (info, physname, visibility, TRUE, constp,
1750 volatilep, 0, FALSE);
1753 /* Finish up a method. */
1756 stab_class_end_method (void *p)
1758 struct stab_write_handle *info = (struct stab_write_handle *) p;
1760 assert (info->type_stack != NULL && info->type_stack->methods != NULL);
1762 /* We allocated enough room on info->type_stack->methods to add the
1763 trailing semicolon. */
1764 strcat (info->type_stack->methods, ";");
1769 /* Finish up a class. */
1772 stab_end_class_type (void *p)
1774 struct stab_write_handle *info = (struct stab_write_handle *) p;
1779 assert (info->type_stack != NULL && info->type_stack->fields != NULL);
1781 /* Work out the size we need to allocate for the class definition. */
1783 len = (strlen (info->type_stack->string)
1784 + strlen (info->type_stack->fields)
1786 if (info->type_stack->baseclasses != NULL)
1789 for (i = 0; info->type_stack->baseclasses[i] != NULL; i++)
1790 len += strlen (info->type_stack->baseclasses[i]);
1792 if (info->type_stack->methods != NULL)
1793 len += strlen (info->type_stack->methods);
1794 if (info->type_stack->vtable != NULL)
1795 len += strlen (info->type_stack->vtable);
1797 /* Build the class definition. */
1799 buf = (char *) xmalloc (len);
1801 strcpy (buf, info->type_stack->string);
1803 if (info->type_stack->baseclasses != NULL)
1805 sprintf (buf + strlen (buf), "!%u,", i);
1806 for (i = 0; info->type_stack->baseclasses[i] != NULL; i++)
1808 strcat (buf, info->type_stack->baseclasses[i]);
1809 free (info->type_stack->baseclasses[i]);
1811 free (info->type_stack->baseclasses);
1812 info->type_stack->baseclasses = NULL;
1815 strcat (buf, info->type_stack->fields);
1816 free (info->type_stack->fields);
1817 info->type_stack->fields = NULL;
1819 if (info->type_stack->methods != NULL)
1821 strcat (buf, info->type_stack->methods);
1822 free (info->type_stack->methods);
1823 info->type_stack->methods = NULL;
1828 if (info->type_stack->vtable != NULL)
1830 strcat (buf, info->type_stack->vtable);
1831 free (info->type_stack->vtable);
1832 info->type_stack->vtable = NULL;
1835 /* Replace the string on the top of the stack with the complete
1836 class definition. */
1837 free (info->type_stack->string);
1838 info->type_stack->string = buf;
1843 /* Push a typedef which was previously defined. */
1846 stab_typedef_type (void *p, const char *name)
1848 struct stab_write_handle *info = (struct stab_write_handle *) p;
1849 struct string_hash_entry *h;
1851 h = string_hash_lookup (&info->typedef_hash, name, FALSE, FALSE);
1852 assert (h != NULL && h->index > 0);
1854 return stab_push_defined_type (info, h->index, h->size);
1857 /* Push a struct, union or class tag. */
1860 stab_tag_type (void *p, const char *name, unsigned int id,
1861 enum debug_type_kind kind)
1863 struct stab_write_handle *info = (struct stab_write_handle *) p;
1865 unsigned int size = 0;
1867 tindex = stab_get_struct_index (info, name, id, kind, &size);
1871 return stab_push_defined_type (info, tindex, size);
1874 /* Define a typedef. */
1877 stab_typdef (void *p, const char *name)
1879 struct stab_write_handle *info = (struct stab_write_handle *) p;
1883 struct string_hash_entry *h;
1885 tindex = info->type_stack->index;
1886 size = info->type_stack->size;
1887 s = stab_pop_type (info);
1889 buf = (char *) xmalloc (strlen (name) + strlen (s) + 20);
1892 sprintf (buf, "%s:t%s", name, s);
1895 tindex = info->type_index;
1897 sprintf (buf, "%s:t%ld=%s", name, tindex, s);
1902 if (! stab_write_symbol (info, N_LSYM, 0, 0, buf))
1907 h = string_hash_lookup (&info->typedef_hash, name, TRUE, FALSE);
1910 non_fatal (_("string_hash_lookup failed: %s"),
1911 bfd_errmsg (bfd_get_error ()));
1915 /* I don't think we care about redefinitions. */
1926 stab_tag (void *p, const char *tag)
1928 struct stab_write_handle *info = (struct stab_write_handle *) p;
1931 s = stab_pop_type (info);
1933 buf = (char *) xmalloc (strlen (tag) + strlen (s) + 3);
1935 sprintf (buf, "%s:T%s", tag, s);
1938 if (! stab_write_symbol (info, N_LSYM, 0, 0, buf))
1946 /* Define an integer constant. */
1949 stab_int_constant (void *p, const char *name, bfd_vma val)
1951 struct stab_write_handle *info = (struct stab_write_handle *) p;
1954 buf = (char *) xmalloc (strlen (name) + 20);
1955 sprintf (buf, "%s:c=i%ld", name, (long) val);
1957 if (! stab_write_symbol (info, N_LSYM, 0, 0, buf))
1965 /* Define a floating point constant. */
1968 stab_float_constant (void *p, const char *name, double val)
1970 struct stab_write_handle *info = (struct stab_write_handle *) p;
1973 buf = (char *) xmalloc (strlen (name) + 20);
1974 sprintf (buf, "%s:c=f%g", name, val);
1976 if (! stab_write_symbol (info, N_LSYM, 0, 0, buf))
1984 /* Define a typed constant. */
1987 stab_typed_constant (void *p, const char *name, bfd_vma val)
1989 struct stab_write_handle *info = (struct stab_write_handle *) p;
1992 s = stab_pop_type (info);
1994 buf = (char *) xmalloc (strlen (name) + strlen (s) + 20);
1995 sprintf (buf, "%s:c=e%s,%ld", name, s, (long) val);
1998 if (! stab_write_symbol (info, N_LSYM, 0, 0, buf))
2006 /* Record a variable. */
2009 stab_variable (void *p, const char *name, enum debug_var_kind kind,
2012 struct stab_write_handle *info = (struct stab_write_handle *) p;
2015 const char *kindstr;
2017 s = stab_pop_type (info);
2030 stab_type = N_STSYM;
2034 case DEBUG_LOCAL_STATIC:
2035 stab_type = N_STSYM;
2043 /* Make sure that this is a type reference or definition. */
2049 tindex = info->type_index;
2051 n = (char *) xmalloc (strlen (s) + 20);
2052 sprintf (n, "%ld=%s", tindex, s);
2058 case DEBUG_REGISTER:
2064 buf = (char *) xmalloc (strlen (name) + strlen (s) + 3);
2065 sprintf (buf, "%s:%s%s", name, kindstr, s);
2068 if (! stab_write_symbol (info, stab_type, 0, val, buf))
2076 /* Start outputting a function. */
2079 stab_start_function (void *p, const char *name, bfd_boolean globalp)
2081 struct stab_write_handle *info = (struct stab_write_handle *) p;
2082 char *rettype, *buf;
2084 assert (info->nesting == 0 && info->fun_offset == -1);
2086 rettype = stab_pop_type (info);
2088 buf = (char *) xmalloc (strlen (name) + strlen (rettype) + 3);
2089 sprintf (buf, "%s:%c%s", name,
2090 globalp ? 'F' : 'f',
2093 /* We don't know the value now, so we set it in start_block. */
2094 info->fun_offset = info->symbols_size;
2096 if (! stab_write_symbol (info, N_FUN, 0, 0, buf))
2104 /* Output a function parameter. */
2107 stab_function_parameter (void *p, const char *name, enum debug_parm_kind kind, bfd_vma val)
2109 struct stab_write_handle *info = (struct stab_write_handle *) p;
2114 s = stab_pop_type (info);
2121 case DEBUG_PARM_STACK:
2126 case DEBUG_PARM_REG:
2131 case DEBUG_PARM_REFERENCE:
2136 case DEBUG_PARM_REF_REG:
2142 buf = (char *) xmalloc (strlen (name) + strlen (s) + 3);
2143 sprintf (buf, "%s:%c%s", name, kindc, s);
2146 if (! stab_write_symbol (info, stab_type, 0, val, buf))
2154 /* Start a block. */
2157 stab_start_block (void *p, bfd_vma addr)
2159 struct stab_write_handle *info = (struct stab_write_handle *) p;
2161 /* Fill in any slots which have been waiting for the first known
2164 if (info->so_offset != -1)
2166 bfd_put_32 (info->abfd, addr, info->symbols + info->so_offset + 8);
2167 info->so_offset = -1;
2170 if (info->fun_offset != -1)
2172 bfd_put_32 (info->abfd, addr, info->symbols + info->fun_offset + 8);
2173 info->fun_offset = -1;
2178 /* We will be called with a top level block surrounding the
2179 function, but stabs information does not output that block, so we
2182 if (info->nesting == 1)
2184 info->fnaddr = addr;
2188 /* We have to output the LBRAC symbol after any variables which are
2189 declared inside the block. We postpone the LBRAC until the next
2190 start_block or end_block. */
2192 /* If we have postponed an LBRAC, output it now. */
2193 if (info->pending_lbrac != (bfd_vma) -1)
2195 if (! stab_write_symbol (info, N_LBRAC, 0, info->pending_lbrac,
2196 (const char *) NULL))
2200 /* Remember the address and output it later. */
2202 info->pending_lbrac = addr - info->fnaddr;
2210 stab_end_block (void *p, bfd_vma addr)
2212 struct stab_write_handle *info = (struct stab_write_handle *) p;
2214 if (addr > info->last_text_address)
2215 info->last_text_address = addr;
2217 /* If we have postponed an LBRAC, output it now. */
2218 if (info->pending_lbrac != (bfd_vma) -1)
2220 if (! stab_write_symbol (info, N_LBRAC, 0, info->pending_lbrac,
2221 (const char *) NULL))
2223 info->pending_lbrac = (bfd_vma) -1;
2226 assert (info->nesting > 0);
2230 /* We ignore the outermost block. */
2231 if (info->nesting == 0)
2234 return stab_write_symbol (info, N_RBRAC, 0, addr - info->fnaddr,
2235 (const char *) NULL);
2238 /* End a function. */
2241 stab_end_function (void *p ATTRIBUTE_UNUSED)
2246 /* Output a line number. */
2249 stab_lineno (void *p, const char *file, unsigned long lineno, bfd_vma addr)
2251 struct stab_write_handle *info = (struct stab_write_handle *) p;
2253 assert (info->lineno_filename != NULL);
2255 if (addr > info->last_text_address)
2256 info->last_text_address = addr;
2258 if (filename_cmp (file, info->lineno_filename) != 0)
2260 if (! stab_write_symbol (info, N_SOL, 0, addr, file))
2262 info->lineno_filename = file;
2265 return stab_write_symbol (info, N_SLINE, lineno, addr - info->fnaddr,
2266 (const char *) NULL);