| 1 | /* wrstabs.c -- Output stabs debugging information |
| 2 | Copyright (C) 1996-2017 Free Software Foundation, Inc. |
| 3 | Written by Ian Lance Taylor <ian@cygnus.com>. |
| 4 | |
| 5 | This file is part of GNU Binutils. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA |
| 20 | 02110-1301, USA. */ |
| 21 | |
| 22 | /* This file contains code which writes out stabs debugging |
| 23 | information. */ |
| 24 | |
| 25 | #include "sysdep.h" |
| 26 | #include <assert.h> |
| 27 | #include "bfd.h" |
| 28 | #include "libiberty.h" |
| 29 | #include "filenames.h" |
| 30 | #include "safe-ctype.h" |
| 31 | #include "bucomm.h" |
| 32 | #include "debug.h" |
| 33 | #include "budbg.h" |
| 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 | |
| 43 | struct 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 | |
| 56 | struct 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 | |
| 63 | struct 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. */ |
| 74 | bfd_boolean definition; |
| 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 | |
| 89 | struct 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 | |
| 106 | struct 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 | |
| 132 | struct 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 | |
| 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); |
| 249 | |
| 250 | static 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 | |
| 300 | static struct bfd_hash_entry * |
| 301 | string_hash_newfunc (struct bfd_hash_entry *entry, |
| 302 | struct bfd_hash_table *table, const char *string) |
| 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 | |
| 337 | static bfd_boolean |
| 338 | stab_write_symbol (struct stab_write_handle *info, int type, int desc, |
| 339 | bfd_vma value, const char *string) |
| 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 | |
| 350 | h = string_hash_lookup (&info->strhash, string, TRUE, TRUE); |
| 351 | if (h == NULL) |
| 352 | { |
| 353 | non_fatal (_("string_hash_lookup failed: %s"), |
| 354 | bfd_errmsg (bfd_get_error ())); |
| 355 | return FALSE; |
| 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 | |
| 390 | return TRUE; |
| 391 | } |
| 392 | |
| 393 | /* Push a string on to the type stack. */ |
| 394 | |
| 395 | static bfd_boolean |
| 396 | stab_push_string (struct stab_write_handle *info, const char *string, |
| 397 | long tindex, bfd_boolean definition, unsigned int size) |
| 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 = tindex; |
| 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 | |
| 415 | return TRUE; |
| 416 | } |
| 417 | |
| 418 | /* Push a type index which has already been defined. */ |
| 419 | |
| 420 | static bfd_boolean |
| 421 | stab_push_defined_type (struct stab_write_handle *info, long tindex, |
| 422 | unsigned int size) |
| 423 | { |
| 424 | char buf[20]; |
| 425 | |
| 426 | sprintf (buf, "%ld", tindex); |
| 427 | return stab_push_string (info, buf, tindex, FALSE, size); |
| 428 | } |
| 429 | |
| 430 | /* Pop a type off the type stack. The caller is responsible for |
| 431 | freeing the string. */ |
| 432 | |
| 433 | static char * |
| 434 | stab_pop_type (struct stab_write_handle *info) |
| 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 | |
| 460 | bfd_boolean |
| 461 | write_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) |
| 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 | |
| 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))) |
| 486 | { |
| 487 | non_fatal ("bfd_hash_table_init_failed: %s", |
| 488 | bfd_errmsg (bfd_get_error ())); |
| 489 | return FALSE; |
| 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)) |
| 504 | return FALSE; |
| 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))) |
| 509 | return FALSE; |
| 510 | |
| 511 | if (! debug_write (dhandle, &stab_fns, (void *) &info)) |
| 512 | return FALSE; |
| 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)) |
| 519 | return FALSE; |
| 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 | |
| 538 | return TRUE; |
| 539 | } |
| 540 | |
| 541 | /* Start writing out information for a compilation unit. */ |
| 542 | |
| 543 | static bfd_boolean |
| 544 | stab_start_compilation_unit (void *p, const char *filename) |
| 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 | |
| 560 | static bfd_boolean |
| 561 | stab_start_source (void *p, const char *filename) |
| 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 | |
| 577 | static bfd_boolean |
| 578 | stab_empty_type (void *p) |
| 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 tindex; |
| 590 | char buf[40]; |
| 591 | |
| 592 | tindex = info->type_index; |
| 593 | ++info->type_index; |
| 594 | |
| 595 | sprintf (buf, "%ld=%ld", tindex, tindex); |
| 596 | |
| 597 | return stab_push_string (info, buf, tindex, FALSE, 0); |
| 598 | } |
| 599 | } |
| 600 | |
| 601 | /* Push a void type. */ |
| 602 | |
| 603 | static bfd_boolean |
| 604 | stab_void_type (void *p) |
| 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 tindex; |
| 613 | char buf[40]; |
| 614 | |
| 615 | tindex = info->type_index; |
| 616 | ++info->type_index; |
| 617 | |
| 618 | info->type_cache.void_type = tindex; |
| 619 | |
| 620 | sprintf (buf, "%ld=%ld", tindex, tindex); |
| 621 | |
| 622 | return stab_push_string (info, buf, tindex, TRUE, 0); |
| 623 | } |
| 624 | } |
| 625 | |
| 626 | /* Push an integer type. */ |
| 627 | |
| 628 | static bfd_boolean |
| 629 | stab_int_type (void *p, unsigned int size, bfd_boolean unsignedp) |
| 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 | { |
| 636 | non_fatal (_("stab_int_type: bad size %u"), size); |
| 637 | return FALSE; |
| 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 tindex; |
| 650 | char buf[100]; |
| 651 | |
| 652 | tindex = info->type_index; |
| 653 | ++info->type_index; |
| 654 | |
| 655 | cache[size - 1] = tindex; |
| 656 | |
| 657 | sprintf (buf, "%ld=r%ld;", tindex, tindex); |
| 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 | |
| 682 | return stab_push_string (info, buf, tindex, TRUE, size); |
| 683 | } |
| 684 | } |
| 685 | |
| 686 | /* Push a floating point type. */ |
| 687 | |
| 688 | static bfd_boolean |
| 689 | stab_float_type (void *p, unsigned int size) |
| 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 tindex; |
| 703 | char *int_type; |
| 704 | char buf[50]; |
| 705 | |
| 706 | /* Floats are defined as a subrange of int. */ |
| 707 | if (! stab_int_type (info, 4, FALSE)) |
| 708 | return FALSE; |
| 709 | int_type = stab_pop_type (info); |
| 710 | |
| 711 | tindex = 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] = tindex; |
| 718 | |
| 719 | sprintf (buf, "%ld=r%s;%u;0;", tindex, int_type, size); |
| 720 | |
| 721 | free (int_type); |
| 722 | |
| 723 | return stab_push_string (info, buf, tindex, TRUE, size); |
| 724 | } |
| 725 | } |
| 726 | |
| 727 | /* Push a complex type. */ |
| 728 | |
| 729 | static bfd_boolean |
| 730 | stab_complex_type (void *p, unsigned int size) |
| 731 | { |
| 732 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 733 | char buf[50]; |
| 734 | long tindex; |
| 735 | |
| 736 | tindex = info->type_index; |
| 737 | ++info->type_index; |
| 738 | |
| 739 | sprintf (buf, "%ld=r%ld;%u;0;", tindex, tindex, size); |
| 740 | |
| 741 | return stab_push_string (info, buf, tindex, TRUE, size * 2); |
| 742 | } |
| 743 | |
| 744 | /* Push a bfd_boolean type. We use an XCOFF predefined type, since gdb |
| 745 | always recognizes them. */ |
| 746 | |
| 747 | static bfd_boolean |
| 748 | stab_bool_type (void *p, unsigned int size) |
| 749 | { |
| 750 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 751 | long tindex; |
| 752 | |
| 753 | switch (size) |
| 754 | { |
| 755 | case 1: |
| 756 | tindex = -21; |
| 757 | break; |
| 758 | |
| 759 | case 2: |
| 760 | tindex = -22; |
| 761 | break; |
| 762 | |
| 763 | default: |
| 764 | case 4: |
| 765 | tindex = -16; |
| 766 | break; |
| 767 | |
| 768 | case 8: |
| 769 | tindex = -33; |
| 770 | break; |
| 771 | } |
| 772 | |
| 773 | return stab_push_defined_type (info, tindex, size); |
| 774 | } |
| 775 | |
| 776 | /* Push an enum type. */ |
| 777 | |
| 778 | static bfd_boolean |
| 779 | stab_enum_type (void *p, const char *tag, const char **names, |
| 780 | bfd_signed_vma *vals) |
| 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 tindex = 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. */ |
| 796 | if (! stab_push_string (info, buf, 0, FALSE, 4)) |
| 797 | return FALSE; |
| 798 | free (buf); |
| 799 | return TRUE; |
| 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 | tindex = info->type_index; |
| 815 | ++info->type_index; |
| 816 | sprintf (buf, "%s:T%ld=e", tag, tindex); |
| 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. */ |
| 826 | if (! stab_push_string (info, buf, 0, FALSE, 4)) |
| 827 | return FALSE; |
| 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, tindex, 4)) |
| 834 | return FALSE; |
| 835 | } |
| 836 | |
| 837 | free (buf); |
| 838 | |
| 839 | return TRUE; |
| 840 | } |
| 841 | |
| 842 | /* Push a modification of the top type on the stack. Cache the |
| 843 | results in CACHE and CACHE_ALLOC. */ |
| 844 | |
| 845 | static bfd_boolean |
| 846 | stab_modify_type (struct stab_write_handle *info, int mod, |
| 847 | unsigned int size, long **cache, size_t *cache_alloc) |
| 848 | { |
| 849 | long targindex; |
| 850 | long tindex; |
| 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 | { |
| 859 | bfd_boolean definition; |
| 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)) |
| 870 | return FALSE; |
| 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 | tindex = (*cache)[targindex]; |
| 891 | if (tindex != 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, tindex, size)) |
| 901 | return FALSE; |
| 902 | } |
| 903 | else |
| 904 | { |
| 905 | tindex = 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", tindex, mod, s); |
| 911 | free (s); |
| 912 | |
| 913 | (*cache)[targindex] = tindex; |
| 914 | |
| 915 | if (! stab_push_string (info, buf, tindex, TRUE, size)) |
| 916 | return FALSE; |
| 917 | |
| 918 | free (buf); |
| 919 | } |
| 920 | } |
| 921 | |
| 922 | return TRUE; |
| 923 | } |
| 924 | |
| 925 | /* Push a pointer type. */ |
| 926 | |
| 927 | static bfd_boolean |
| 928 | stab_pointer_type (void *p) |
| 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 | |
| 939 | static bfd_boolean |
| 940 | stab_function_type (void *p, int argcount, |
| 941 | bfd_boolean varargs ATTRIBUTE_UNUSED) |
| 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)) |
| 964 | return FALSE; |
| 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 | |
| 976 | static bfd_boolean |
| 977 | stab_reference_type (void *p) |
| 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 | |
| 988 | static bfd_boolean |
| 989 | stab_range_type (void *p, bfd_signed_vma low, bfd_signed_vma high) |
| 990 | { |
| 991 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 992 | bfd_boolean definition; |
| 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)) |
| 1005 | return FALSE; |
| 1006 | |
| 1007 | free (buf); |
| 1008 | |
| 1009 | return TRUE; |
| 1010 | } |
| 1011 | |
| 1012 | /* Push an array type. */ |
| 1013 | |
| 1014 | static bfd_boolean |
| 1015 | stab_array_type (void *p, bfd_signed_vma low, bfd_signed_vma high, |
| 1016 | bfd_boolean stringp) |
| 1017 | { |
| 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; |
| 1022 | long tindex; |
| 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 | tindex = 0; |
| 1037 | *buf = '\0'; |
| 1038 | } |
| 1039 | else |
| 1040 | { |
| 1041 | /* We need to define a type in order to include the string |
| 1042 | attribute. */ |
| 1043 | tindex = info->type_index; |
| 1044 | ++info->type_index; |
| 1045 | definition = TRUE; |
| 1046 | sprintf (buf, "%ld=@S;", tindex); |
| 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, tindex, definition, size)) |
| 1059 | return FALSE; |
| 1060 | |
| 1061 | free (buf); |
| 1062 | |
| 1063 | return TRUE; |
| 1064 | } |
| 1065 | |
| 1066 | /* Push a set type. */ |
| 1067 | |
| 1068 | static bfd_boolean |
| 1069 | stab_set_type (void *p, bfd_boolean bitstringp) |
| 1070 | { |
| 1071 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1072 | bfd_boolean definition; |
| 1073 | char *s, *buf; |
| 1074 | long tindex; |
| 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 | tindex = 0; |
| 1085 | } |
| 1086 | else |
| 1087 | { |
| 1088 | /* We need to define a type in order to include the string |
| 1089 | attribute. */ |
| 1090 | tindex = info->type_index; |
| 1091 | ++info->type_index; |
| 1092 | definition = TRUE; |
| 1093 | sprintf (buf, "%ld=@S;", tindex); |
| 1094 | } |
| 1095 | |
| 1096 | sprintf (buf + strlen (buf), "S%s", s); |
| 1097 | free (s); |
| 1098 | |
| 1099 | if (! stab_push_string (info, buf, tindex, definition, 0)) |
| 1100 | return FALSE; |
| 1101 | |
| 1102 | free (buf); |
| 1103 | |
| 1104 | return TRUE; |
| 1105 | } |
| 1106 | |
| 1107 | /* Push an offset type. */ |
| 1108 | |
| 1109 | static bfd_boolean |
| 1110 | stab_offset_type (void *p) |
| 1111 | { |
| 1112 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1113 | bfd_boolean definition; |
| 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)) |
| 1128 | return FALSE; |
| 1129 | |
| 1130 | free (buf); |
| 1131 | |
| 1132 | return TRUE; |
| 1133 | } |
| 1134 | |
| 1135 | /* Push a method type. */ |
| 1136 | |
| 1137 | static bfd_boolean |
| 1138 | stab_method_type (void *p, bfd_boolean domainp, int argcount, |
| 1139 | bfd_boolean varargs) |
| 1140 | { |
| 1141 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1142 | bfd_boolean definition; |
| 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)) |
| 1157 | return FALSE; |
| 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)) |
| 1179 | return FALSE; |
| 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)) |
| 1196 | return FALSE; |
| 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)) |
| 1227 | return FALSE; |
| 1228 | |
| 1229 | free (buf); |
| 1230 | |
| 1231 | return TRUE; |
| 1232 | } |
| 1233 | |
| 1234 | /* Push a const version of a type. */ |
| 1235 | |
| 1236 | static bfd_boolean |
| 1237 | stab_const_type (void *p) |
| 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 | |
| 1247 | static bfd_boolean |
| 1248 | stab_volatile_type (void *p) |
| 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 | |
| 1259 | static long |
| 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) |
| 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 | |
| 1307 | static bfd_boolean |
| 1308 | stab_start_struct_type (void *p, const char *tag, unsigned int id, |
| 1309 | bfd_boolean structp, unsigned int size) |
| 1310 | { |
| 1311 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1312 | long tindex; |
| 1313 | bfd_boolean definition; |
| 1314 | char buf[40]; |
| 1315 | |
| 1316 | if (id == 0) |
| 1317 | { |
| 1318 | tindex = 0; |
| 1319 | *buf = '\0'; |
| 1320 | definition = FALSE; |
| 1321 | } |
| 1322 | else |
| 1323 | { |
| 1324 | tindex = stab_get_struct_index (info, tag, id, DEBUG_KIND_ILLEGAL, |
| 1325 | &size); |
| 1326 | if (tindex < 0) |
| 1327 | return FALSE; |
| 1328 | sprintf (buf, "%ld=", tindex); |
| 1329 | definition = TRUE; |
| 1330 | } |
| 1331 | |
| 1332 | sprintf (buf + strlen (buf), "%c%u", |
| 1333 | structp ? 's' : 'u', |
| 1334 | size); |
| 1335 | |
| 1336 | if (! stab_push_string (info, buf, tindex, definition, size)) |
| 1337 | return FALSE; |
| 1338 | |
| 1339 | info->type_stack->fields = (char *) xmalloc (1); |
| 1340 | info->type_stack->fields[0] = '\0'; |
| 1341 | |
| 1342 | return TRUE; |
| 1343 | } |
| 1344 | |
| 1345 | /* Add a field to a struct. */ |
| 1346 | |
| 1347 | static bfd_boolean |
| 1348 | stab_struct_field (void *p, const char *name, bfd_vma bitpos, |
| 1349 | bfd_vma bitsize, enum debug_visibility visibility) |
| 1350 | { |
| 1351 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1352 | bfd_boolean definition; |
| 1353 | unsigned int size; |
| 1354 | char *s, *n; |
| 1355 | const char *vis; |
| 1356 | |
| 1357 | definition = info->type_stack->definition; |
| 1358 | size = info->type_stack->size; |
| 1359 | s = stab_pop_type (info); |
| 1360 | |
| 1361 | /* Add this field to the end of the current struct fields, which is |
| 1362 | currently on the top of the stack. */ |
| 1363 | |
| 1364 | assert (info->type_stack->fields != NULL); |
| 1365 | n = (char *) xmalloc (strlen (info->type_stack->fields) |
| 1366 | + strlen (name) |
| 1367 | + strlen (s) |
| 1368 | + 50); |
| 1369 | |
| 1370 | switch (visibility) |
| 1371 | { |
| 1372 | default: |
| 1373 | abort (); |
| 1374 | |
| 1375 | case DEBUG_VISIBILITY_PUBLIC: |
| 1376 | vis = ""; |
| 1377 | break; |
| 1378 | |
| 1379 | case DEBUG_VISIBILITY_PRIVATE: |
| 1380 | vis = "/0"; |
| 1381 | break; |
| 1382 | |
| 1383 | case DEBUG_VISIBILITY_PROTECTED: |
| 1384 | vis = "/1"; |
| 1385 | break; |
| 1386 | } |
| 1387 | |
| 1388 | if (bitsize == 0) |
| 1389 | { |
| 1390 | bitsize = size * 8; |
| 1391 | if (bitsize == 0) |
| 1392 | non_fatal (_("%s: warning: unknown size for field `%s' in struct"), |
| 1393 | bfd_get_filename (info->abfd), name); |
| 1394 | } |
| 1395 | |
| 1396 | sprintf (n, "%s%s:%s%s,%ld,%ld;", info->type_stack->fields, name, vis, s, |
| 1397 | (long) bitpos, (long) bitsize); |
| 1398 | |
| 1399 | free (info->type_stack->fields); |
| 1400 | info->type_stack->fields = n; |
| 1401 | |
| 1402 | if (definition) |
| 1403 | info->type_stack->definition = TRUE; |
| 1404 | |
| 1405 | return TRUE; |
| 1406 | } |
| 1407 | |
| 1408 | /* Finish up a struct. */ |
| 1409 | |
| 1410 | static bfd_boolean |
| 1411 | stab_end_struct_type (void *p) |
| 1412 | { |
| 1413 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1414 | bfd_boolean definition; |
| 1415 | long tindex; |
| 1416 | unsigned int size; |
| 1417 | char *fields, *first, *buf; |
| 1418 | |
| 1419 | assert (info->type_stack != NULL && info->type_stack->fields != NULL); |
| 1420 | |
| 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); |
| 1426 | |
| 1427 | buf = (char *) xmalloc (strlen (first) + strlen (fields) + 2); |
| 1428 | sprintf (buf, "%s%s;", first, fields); |
| 1429 | free (first); |
| 1430 | free (fields); |
| 1431 | |
| 1432 | if (! stab_push_string (info, buf, tindex, definition, size)) |
| 1433 | return FALSE; |
| 1434 | |
| 1435 | free (buf); |
| 1436 | |
| 1437 | return TRUE; |
| 1438 | } |
| 1439 | |
| 1440 | /* Start outputting a class. */ |
| 1441 | |
| 1442 | static bfd_boolean |
| 1443 | stab_start_class_type (void *p, const char *tag, unsigned int id, bfd_boolean structp, unsigned int size, bfd_boolean vptr, bfd_boolean ownvptr) |
| 1444 | { |
| 1445 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1446 | bfd_boolean definition; |
| 1447 | char *vstring; |
| 1448 | |
| 1449 | if (! vptr || ownvptr) |
| 1450 | { |
| 1451 | definition = FALSE; |
| 1452 | vstring = NULL; |
| 1453 | } |
| 1454 | else |
| 1455 | { |
| 1456 | definition = info->type_stack->definition; |
| 1457 | vstring = stab_pop_type (info); |
| 1458 | } |
| 1459 | |
| 1460 | if (! stab_start_struct_type (p, tag, id, structp, size)) |
| 1461 | return FALSE; |
| 1462 | |
| 1463 | if (vptr) |
| 1464 | { |
| 1465 | char *vtable; |
| 1466 | |
| 1467 | if (ownvptr) |
| 1468 | { |
| 1469 | assert (info->type_stack->index > 0); |
| 1470 | vtable = (char *) xmalloc (20); |
| 1471 | sprintf (vtable, "~%%%ld", info->type_stack->index); |
| 1472 | } |
| 1473 | else |
| 1474 | { |
| 1475 | vtable = (char *) xmalloc (strlen (vstring) + 3); |
| 1476 | sprintf (vtable, "~%%%s", vstring); |
| 1477 | free (vstring); |
| 1478 | } |
| 1479 | |
| 1480 | info->type_stack->vtable = vtable; |
| 1481 | } |
| 1482 | |
| 1483 | if (definition) |
| 1484 | info->type_stack->definition = TRUE; |
| 1485 | |
| 1486 | return TRUE; |
| 1487 | } |
| 1488 | |
| 1489 | /* Add a static member to the class on the type stack. */ |
| 1490 | |
| 1491 | static bfd_boolean |
| 1492 | stab_class_static_member (void *p, const char *name, const char *physname, |
| 1493 | enum debug_visibility visibility) |
| 1494 | { |
| 1495 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1496 | bfd_boolean definition; |
| 1497 | char *s, *n; |
| 1498 | const char *vis; |
| 1499 | |
| 1500 | definition = info->type_stack->definition; |
| 1501 | s = stab_pop_type (info); |
| 1502 | |
| 1503 | /* Add this field to the end of the current struct fields, which is |
| 1504 | currently on the top of the stack. */ |
| 1505 | |
| 1506 | assert (info->type_stack->fields != NULL); |
| 1507 | n = (char *) xmalloc (strlen (info->type_stack->fields) |
| 1508 | + strlen (name) |
| 1509 | + strlen (s) |
| 1510 | + strlen (physname) |
| 1511 | + 10); |
| 1512 | |
| 1513 | switch (visibility) |
| 1514 | { |
| 1515 | default: |
| 1516 | abort (); |
| 1517 | |
| 1518 | case DEBUG_VISIBILITY_PUBLIC: |
| 1519 | vis = ""; |
| 1520 | break; |
| 1521 | |
| 1522 | case DEBUG_VISIBILITY_PRIVATE: |
| 1523 | vis = "/0"; |
| 1524 | break; |
| 1525 | |
| 1526 | case DEBUG_VISIBILITY_PROTECTED: |
| 1527 | vis = "/1"; |
| 1528 | break; |
| 1529 | } |
| 1530 | |
| 1531 | sprintf (n, "%s%s:%s%s:%s;", info->type_stack->fields, name, vis, s, |
| 1532 | physname); |
| 1533 | |
| 1534 | free (info->type_stack->fields); |
| 1535 | info->type_stack->fields = n; |
| 1536 | |
| 1537 | if (definition) |
| 1538 | info->type_stack->definition = TRUE; |
| 1539 | |
| 1540 | return TRUE; |
| 1541 | } |
| 1542 | |
| 1543 | /* Add a base class to the class on the type stack. */ |
| 1544 | |
| 1545 | static bfd_boolean |
| 1546 | stab_class_baseclass (void *p, bfd_vma bitpos, bfd_boolean is_virtual, |
| 1547 | enum debug_visibility visibility) |
| 1548 | { |
| 1549 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1550 | bfd_boolean definition; |
| 1551 | char *s; |
| 1552 | char *buf; |
| 1553 | unsigned int c; |
| 1554 | char **baseclasses; |
| 1555 | |
| 1556 | definition = info->type_stack->definition; |
| 1557 | s = stab_pop_type (info); |
| 1558 | |
| 1559 | /* Build the base class specifier. */ |
| 1560 | |
| 1561 | buf = (char *) xmalloc (strlen (s) + 25); |
| 1562 | buf[0] = is_virtual ? '1' : '0'; |
| 1563 | switch (visibility) |
| 1564 | { |
| 1565 | default: |
| 1566 | abort (); |
| 1567 | |
| 1568 | case DEBUG_VISIBILITY_PRIVATE: |
| 1569 | buf[1] = '0'; |
| 1570 | break; |
| 1571 | |
| 1572 | case DEBUG_VISIBILITY_PROTECTED: |
| 1573 | buf[1] = '1'; |
| 1574 | break; |
| 1575 | |
| 1576 | case DEBUG_VISIBILITY_PUBLIC: |
| 1577 | buf[1] = '2'; |
| 1578 | break; |
| 1579 | } |
| 1580 | |
| 1581 | sprintf (buf + 2, "%ld,%s;", (long) bitpos, s); |
| 1582 | free (s); |
| 1583 | |
| 1584 | /* Add the new baseclass to the existing ones. */ |
| 1585 | |
| 1586 | assert (info->type_stack != NULL && info->type_stack->fields != NULL); |
| 1587 | |
| 1588 | if (info->type_stack->baseclasses == NULL) |
| 1589 | c = 0; |
| 1590 | else |
| 1591 | { |
| 1592 | c = 0; |
| 1593 | while (info->type_stack->baseclasses[c] != NULL) |
| 1594 | ++c; |
| 1595 | } |
| 1596 | |
| 1597 | baseclasses = (char **) xrealloc (info->type_stack->baseclasses, |
| 1598 | (c + 2) * sizeof (*baseclasses)); |
| 1599 | baseclasses[c] = buf; |
| 1600 | baseclasses[c + 1] = NULL; |
| 1601 | |
| 1602 | info->type_stack->baseclasses = baseclasses; |
| 1603 | |
| 1604 | if (definition) |
| 1605 | info->type_stack->definition = TRUE; |
| 1606 | |
| 1607 | return TRUE; |
| 1608 | } |
| 1609 | |
| 1610 | /* Start adding a method to the class on the type stack. */ |
| 1611 | |
| 1612 | static bfd_boolean |
| 1613 | stab_class_start_method (void *p, const char *name) |
| 1614 | { |
| 1615 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1616 | char *m; |
| 1617 | |
| 1618 | assert (info->type_stack != NULL && info->type_stack->fields != NULL); |
| 1619 | |
| 1620 | if (info->type_stack->methods == NULL) |
| 1621 | { |
| 1622 | m = (char *) xmalloc (strlen (name) + 3); |
| 1623 | *m = '\0'; |
| 1624 | } |
| 1625 | else |
| 1626 | { |
| 1627 | m = (char *) xrealloc (info->type_stack->methods, |
| 1628 | (strlen (info->type_stack->methods) |
| 1629 | + strlen (name) |
| 1630 | + 4)); |
| 1631 | } |
| 1632 | |
| 1633 | sprintf (m + strlen (m), "%s::", name); |
| 1634 | |
| 1635 | info->type_stack->methods = m; |
| 1636 | |
| 1637 | return TRUE; |
| 1638 | } |
| 1639 | |
| 1640 | /* Add a variant, either static or not, to the current method. */ |
| 1641 | |
| 1642 | static bfd_boolean |
| 1643 | stab_class_method_var (struct stab_write_handle *info, const char *physname, |
| 1644 | enum debug_visibility visibility, |
| 1645 | bfd_boolean staticp, bfd_boolean constp, |
| 1646 | bfd_boolean volatilep, bfd_vma voffset, |
| 1647 | bfd_boolean contextp) |
| 1648 | { |
| 1649 | bfd_boolean definition; |
| 1650 | char *type; |
| 1651 | char *context = NULL; |
| 1652 | char visc, qualc, typec; |
| 1653 | |
| 1654 | definition = info->type_stack->definition; |
| 1655 | type = stab_pop_type (info); |
| 1656 | |
| 1657 | if (contextp) |
| 1658 | { |
| 1659 | definition = definition || info->type_stack->definition; |
| 1660 | context = stab_pop_type (info); |
| 1661 | } |
| 1662 | |
| 1663 | assert (info->type_stack != NULL && info->type_stack->methods != NULL); |
| 1664 | |
| 1665 | switch (visibility) |
| 1666 | { |
| 1667 | default: |
| 1668 | abort (); |
| 1669 | |
| 1670 | case DEBUG_VISIBILITY_PRIVATE: |
| 1671 | visc = '0'; |
| 1672 | break; |
| 1673 | |
| 1674 | case DEBUG_VISIBILITY_PROTECTED: |
| 1675 | visc = '1'; |
| 1676 | break; |
| 1677 | |
| 1678 | case DEBUG_VISIBILITY_PUBLIC: |
| 1679 | visc = '2'; |
| 1680 | break; |
| 1681 | } |
| 1682 | |
| 1683 | if (constp) |
| 1684 | { |
| 1685 | if (volatilep) |
| 1686 | qualc = 'D'; |
| 1687 | else |
| 1688 | qualc = 'B'; |
| 1689 | } |
| 1690 | else |
| 1691 | { |
| 1692 | if (volatilep) |
| 1693 | qualc = 'C'; |
| 1694 | else |
| 1695 | qualc = 'A'; |
| 1696 | } |
| 1697 | |
| 1698 | if (staticp) |
| 1699 | typec = '?'; |
| 1700 | else if (! contextp) |
| 1701 | typec = '.'; |
| 1702 | else |
| 1703 | typec = '*'; |
| 1704 | |
| 1705 | info->type_stack->methods = |
| 1706 | (char *) xrealloc (info->type_stack->methods, |
| 1707 | (strlen (info->type_stack->methods) |
| 1708 | + strlen (type) |
| 1709 | + strlen (physname) |
| 1710 | + (contextp ? strlen (context) : 0) |
| 1711 | + 40)); |
| 1712 | |
| 1713 | sprintf (info->type_stack->methods + strlen (info->type_stack->methods), |
| 1714 | "%s:%s;%c%c%c", type, physname, visc, qualc, typec); |
| 1715 | free (type); |
| 1716 | |
| 1717 | if (contextp) |
| 1718 | { |
| 1719 | sprintf (info->type_stack->methods + strlen (info->type_stack->methods), |
| 1720 | "%ld;%s;", (long) voffset, context); |
| 1721 | free (context); |
| 1722 | } |
| 1723 | |
| 1724 | if (definition) |
| 1725 | info->type_stack->definition = TRUE; |
| 1726 | |
| 1727 | return TRUE; |
| 1728 | } |
| 1729 | |
| 1730 | /* Add a variant to the current method. */ |
| 1731 | |
| 1732 | static bfd_boolean |
| 1733 | stab_class_method_variant (void *p, const char *physname, |
| 1734 | enum debug_visibility visibility, |
| 1735 | bfd_boolean constp, bfd_boolean volatilep, |
| 1736 | bfd_vma voffset, bfd_boolean contextp) |
| 1737 | { |
| 1738 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1739 | |
| 1740 | return stab_class_method_var (info, physname, visibility, FALSE, constp, |
| 1741 | volatilep, voffset, contextp); |
| 1742 | } |
| 1743 | |
| 1744 | /* Add a static variant to the current method. */ |
| 1745 | |
| 1746 | static bfd_boolean |
| 1747 | stab_class_static_method_variant (void *p, const char *physname, |
| 1748 | enum debug_visibility visibility, |
| 1749 | bfd_boolean constp, bfd_boolean volatilep) |
| 1750 | { |
| 1751 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1752 | |
| 1753 | return stab_class_method_var (info, physname, visibility, TRUE, constp, |
| 1754 | volatilep, 0, FALSE); |
| 1755 | } |
| 1756 | |
| 1757 | /* Finish up a method. */ |
| 1758 | |
| 1759 | static bfd_boolean |
| 1760 | stab_class_end_method (void *p) |
| 1761 | { |
| 1762 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1763 | |
| 1764 | assert (info->type_stack != NULL && info->type_stack->methods != NULL); |
| 1765 | |
| 1766 | /* We allocated enough room on info->type_stack->methods to add the |
| 1767 | trailing semicolon. */ |
| 1768 | strcat (info->type_stack->methods, ";"); |
| 1769 | |
| 1770 | return TRUE; |
| 1771 | } |
| 1772 | |
| 1773 | /* Finish up a class. */ |
| 1774 | |
| 1775 | static bfd_boolean |
| 1776 | stab_end_class_type (void *p) |
| 1777 | { |
| 1778 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1779 | size_t len; |
| 1780 | unsigned int i = 0; |
| 1781 | char *buf; |
| 1782 | |
| 1783 | assert (info->type_stack != NULL && info->type_stack->fields != NULL); |
| 1784 | |
| 1785 | /* Work out the size we need to allocate for the class definition. */ |
| 1786 | |
| 1787 | len = (strlen (info->type_stack->string) |
| 1788 | + strlen (info->type_stack->fields) |
| 1789 | + 10); |
| 1790 | if (info->type_stack->baseclasses != NULL) |
| 1791 | { |
| 1792 | len += 20; |
| 1793 | for (i = 0; info->type_stack->baseclasses[i] != NULL; i++) |
| 1794 | len += strlen (info->type_stack->baseclasses[i]); |
| 1795 | } |
| 1796 | if (info->type_stack->methods != NULL) |
| 1797 | len += strlen (info->type_stack->methods); |
| 1798 | if (info->type_stack->vtable != NULL) |
| 1799 | len += strlen (info->type_stack->vtable); |
| 1800 | |
| 1801 | /* Build the class definition. */ |
| 1802 | |
| 1803 | buf = (char *) xmalloc (len); |
| 1804 | |
| 1805 | strcpy (buf, info->type_stack->string); |
| 1806 | |
| 1807 | if (info->type_stack->baseclasses != NULL) |
| 1808 | { |
| 1809 | sprintf (buf + strlen (buf), "!%u,", i); |
| 1810 | for (i = 0; info->type_stack->baseclasses[i] != NULL; i++) |
| 1811 | { |
| 1812 | strcat (buf, info->type_stack->baseclasses[i]); |
| 1813 | free (info->type_stack->baseclasses[i]); |
| 1814 | } |
| 1815 | free (info->type_stack->baseclasses); |
| 1816 | info->type_stack->baseclasses = NULL; |
| 1817 | } |
| 1818 | |
| 1819 | strcat (buf, info->type_stack->fields); |
| 1820 | free (info->type_stack->fields); |
| 1821 | info->type_stack->fields = NULL; |
| 1822 | |
| 1823 | if (info->type_stack->methods != NULL) |
| 1824 | { |
| 1825 | strcat (buf, info->type_stack->methods); |
| 1826 | free (info->type_stack->methods); |
| 1827 | info->type_stack->methods = NULL; |
| 1828 | } |
| 1829 | |
| 1830 | strcat (buf, ";"); |
| 1831 | |
| 1832 | if (info->type_stack->vtable != NULL) |
| 1833 | { |
| 1834 | strcat (buf, info->type_stack->vtable); |
| 1835 | free (info->type_stack->vtable); |
| 1836 | info->type_stack->vtable = NULL; |
| 1837 | } |
| 1838 | |
| 1839 | /* Replace the string on the top of the stack with the complete |
| 1840 | class definition. */ |
| 1841 | free (info->type_stack->string); |
| 1842 | info->type_stack->string = buf; |
| 1843 | |
| 1844 | return TRUE; |
| 1845 | } |
| 1846 | |
| 1847 | /* Push a typedef which was previously defined. */ |
| 1848 | |
| 1849 | static bfd_boolean |
| 1850 | stab_typedef_type (void *p, const char *name) |
| 1851 | { |
| 1852 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1853 | struct string_hash_entry *h; |
| 1854 | |
| 1855 | h = string_hash_lookup (&info->typedef_hash, name, FALSE, FALSE); |
| 1856 | assert (h != NULL && h->index > 0); |
| 1857 | |
| 1858 | return stab_push_defined_type (info, h->index, h->size); |
| 1859 | } |
| 1860 | |
| 1861 | /* Push a struct, union or class tag. */ |
| 1862 | |
| 1863 | static bfd_boolean |
| 1864 | stab_tag_type (void *p, const char *name, unsigned int id, |
| 1865 | enum debug_type_kind kind) |
| 1866 | { |
| 1867 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1868 | long tindex; |
| 1869 | unsigned int size = 0; |
| 1870 | |
| 1871 | tindex = stab_get_struct_index (info, name, id, kind, &size); |
| 1872 | if (tindex < 0) |
| 1873 | return FALSE; |
| 1874 | |
| 1875 | return stab_push_defined_type (info, tindex, size); |
| 1876 | } |
| 1877 | |
| 1878 | /* Define a typedef. */ |
| 1879 | |
| 1880 | static bfd_boolean |
| 1881 | stab_typdef (void *p, const char *name) |
| 1882 | { |
| 1883 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1884 | long tindex; |
| 1885 | unsigned int size; |
| 1886 | char *s, *buf; |
| 1887 | struct string_hash_entry *h; |
| 1888 | |
| 1889 | tindex = info->type_stack->index; |
| 1890 | size = info->type_stack->size; |
| 1891 | s = stab_pop_type (info); |
| 1892 | |
| 1893 | buf = (char *) xmalloc (strlen (name) + strlen (s) + 20); |
| 1894 | |
| 1895 | if (tindex > 0) |
| 1896 | sprintf (buf, "%s:t%s", name, s); |
| 1897 | else |
| 1898 | { |
| 1899 | tindex = info->type_index; |
| 1900 | ++info->type_index; |
| 1901 | sprintf (buf, "%s:t%ld=%s", name, tindex, s); |
| 1902 | } |
| 1903 | |
| 1904 | free (s); |
| 1905 | |
| 1906 | if (! stab_write_symbol (info, N_LSYM, 0, 0, buf)) |
| 1907 | return FALSE; |
| 1908 | |
| 1909 | free (buf); |
| 1910 | |
| 1911 | h = string_hash_lookup (&info->typedef_hash, name, TRUE, FALSE); |
| 1912 | if (h == NULL) |
| 1913 | { |
| 1914 | non_fatal (_("string_hash_lookup failed: %s"), |
| 1915 | bfd_errmsg (bfd_get_error ())); |
| 1916 | return FALSE; |
| 1917 | } |
| 1918 | |
| 1919 | /* I don't think we care about redefinitions. */ |
| 1920 | |
| 1921 | h->index = tindex; |
| 1922 | h->size = size; |
| 1923 | |
| 1924 | return TRUE; |
| 1925 | } |
| 1926 | |
| 1927 | /* Define a tag. */ |
| 1928 | |
| 1929 | static bfd_boolean |
| 1930 | stab_tag (void *p, const char *tag) |
| 1931 | { |
| 1932 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1933 | char *s, *buf; |
| 1934 | |
| 1935 | s = stab_pop_type (info); |
| 1936 | |
| 1937 | buf = (char *) xmalloc (strlen (tag) + strlen (s) + 3); |
| 1938 | |
| 1939 | sprintf (buf, "%s:T%s", tag, s); |
| 1940 | free (s); |
| 1941 | |
| 1942 | if (! stab_write_symbol (info, N_LSYM, 0, 0, buf)) |
| 1943 | return FALSE; |
| 1944 | |
| 1945 | free (buf); |
| 1946 | |
| 1947 | return TRUE; |
| 1948 | } |
| 1949 | |
| 1950 | /* Define an integer constant. */ |
| 1951 | |
| 1952 | static bfd_boolean |
| 1953 | stab_int_constant (void *p, const char *name, bfd_vma val) |
| 1954 | { |
| 1955 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1956 | char *buf; |
| 1957 | |
| 1958 | buf = (char *) xmalloc (strlen (name) + 20); |
| 1959 | sprintf (buf, "%s:c=i%ld", name, (long) val); |
| 1960 | |
| 1961 | if (! stab_write_symbol (info, N_LSYM, 0, 0, buf)) |
| 1962 | return FALSE; |
| 1963 | |
| 1964 | free (buf); |
| 1965 | |
| 1966 | return TRUE; |
| 1967 | } |
| 1968 | |
| 1969 | /* Define a floating point constant. */ |
| 1970 | |
| 1971 | static bfd_boolean |
| 1972 | stab_float_constant (void *p, const char *name, double val) |
| 1973 | { |
| 1974 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1975 | char *buf; |
| 1976 | |
| 1977 | buf = (char *) xmalloc (strlen (name) + 20); |
| 1978 | sprintf (buf, "%s:c=f%g", name, val); |
| 1979 | |
| 1980 | if (! stab_write_symbol (info, N_LSYM, 0, 0, buf)) |
| 1981 | return FALSE; |
| 1982 | |
| 1983 | free (buf); |
| 1984 | |
| 1985 | return TRUE; |
| 1986 | } |
| 1987 | |
| 1988 | /* Define a typed constant. */ |
| 1989 | |
| 1990 | static bfd_boolean |
| 1991 | stab_typed_constant (void *p, const char *name, bfd_vma val) |
| 1992 | { |
| 1993 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 1994 | char *s, *buf; |
| 1995 | |
| 1996 | s = stab_pop_type (info); |
| 1997 | |
| 1998 | buf = (char *) xmalloc (strlen (name) + strlen (s) + 20); |
| 1999 | sprintf (buf, "%s:c=e%s,%ld", name, s, (long) val); |
| 2000 | free (s); |
| 2001 | |
| 2002 | if (! stab_write_symbol (info, N_LSYM, 0, 0, buf)) |
| 2003 | return FALSE; |
| 2004 | |
| 2005 | free (buf); |
| 2006 | |
| 2007 | return TRUE; |
| 2008 | } |
| 2009 | |
| 2010 | /* Record a variable. */ |
| 2011 | |
| 2012 | static bfd_boolean |
| 2013 | stab_variable (void *p, const char *name, enum debug_var_kind kind, |
| 2014 | bfd_vma val) |
| 2015 | { |
| 2016 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 2017 | char *s, *buf; |
| 2018 | int stab_type; |
| 2019 | const char *kindstr; |
| 2020 | |
| 2021 | s = stab_pop_type (info); |
| 2022 | |
| 2023 | switch (kind) |
| 2024 | { |
| 2025 | default: |
| 2026 | abort (); |
| 2027 | |
| 2028 | case DEBUG_GLOBAL: |
| 2029 | stab_type = N_GSYM; |
| 2030 | kindstr = "G"; |
| 2031 | break; |
| 2032 | |
| 2033 | case DEBUG_STATIC: |
| 2034 | stab_type = N_STSYM; |
| 2035 | kindstr = "S"; |
| 2036 | break; |
| 2037 | |
| 2038 | case DEBUG_LOCAL_STATIC: |
| 2039 | stab_type = N_STSYM; |
| 2040 | kindstr = "V"; |
| 2041 | break; |
| 2042 | |
| 2043 | case DEBUG_LOCAL: |
| 2044 | stab_type = N_LSYM; |
| 2045 | kindstr = ""; |
| 2046 | |
| 2047 | /* Make sure that this is a type reference or definition. */ |
| 2048 | if (! ISDIGIT (*s)) |
| 2049 | { |
| 2050 | char *n; |
| 2051 | long tindex; |
| 2052 | |
| 2053 | tindex = info->type_index; |
| 2054 | ++info->type_index; |
| 2055 | n = (char *) xmalloc (strlen (s) + 20); |
| 2056 | sprintf (n, "%ld=%s", tindex, s); |
| 2057 | free (s); |
| 2058 | s = n; |
| 2059 | } |
| 2060 | break; |
| 2061 | |
| 2062 | case DEBUG_REGISTER: |
| 2063 | stab_type = N_RSYM; |
| 2064 | kindstr = "r"; |
| 2065 | break; |
| 2066 | } |
| 2067 | |
| 2068 | buf = (char *) xmalloc (strlen (name) + strlen (s) + 3); |
| 2069 | sprintf (buf, "%s:%s%s", name, kindstr, s); |
| 2070 | free (s); |
| 2071 | |
| 2072 | if (! stab_write_symbol (info, stab_type, 0, val, buf)) |
| 2073 | return FALSE; |
| 2074 | |
| 2075 | free (buf); |
| 2076 | |
| 2077 | return TRUE; |
| 2078 | } |
| 2079 | |
| 2080 | /* Start outputting a function. */ |
| 2081 | |
| 2082 | static bfd_boolean |
| 2083 | stab_start_function (void *p, const char *name, bfd_boolean globalp) |
| 2084 | { |
| 2085 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 2086 | char *rettype, *buf; |
| 2087 | |
| 2088 | assert (info->nesting == 0 && info->fun_offset == -1); |
| 2089 | |
| 2090 | rettype = stab_pop_type (info); |
| 2091 | |
| 2092 | buf = (char *) xmalloc (strlen (name) + strlen (rettype) + 3); |
| 2093 | sprintf (buf, "%s:%c%s", name, |
| 2094 | globalp ? 'F' : 'f', |
| 2095 | rettype); |
| 2096 | |
| 2097 | /* We don't know the value now, so we set it in start_block. */ |
| 2098 | info->fun_offset = info->symbols_size; |
| 2099 | |
| 2100 | if (! stab_write_symbol (info, N_FUN, 0, 0, buf)) |
| 2101 | return FALSE; |
| 2102 | |
| 2103 | free (buf); |
| 2104 | |
| 2105 | return TRUE; |
| 2106 | } |
| 2107 | |
| 2108 | /* Output a function parameter. */ |
| 2109 | |
| 2110 | static bfd_boolean |
| 2111 | stab_function_parameter (void *p, const char *name, enum debug_parm_kind kind, bfd_vma val) |
| 2112 | { |
| 2113 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 2114 | char *s, *buf; |
| 2115 | int stab_type; |
| 2116 | char kindc; |
| 2117 | |
| 2118 | s = stab_pop_type (info); |
| 2119 | |
| 2120 | switch (kind) |
| 2121 | { |
| 2122 | default: |
| 2123 | abort (); |
| 2124 | |
| 2125 | case DEBUG_PARM_STACK: |
| 2126 | stab_type = N_PSYM; |
| 2127 | kindc = 'p'; |
| 2128 | break; |
| 2129 | |
| 2130 | case DEBUG_PARM_REG: |
| 2131 | stab_type = N_RSYM; |
| 2132 | kindc = 'P'; |
| 2133 | break; |
| 2134 | |
| 2135 | case DEBUG_PARM_REFERENCE: |
| 2136 | stab_type = N_PSYM; |
| 2137 | kindc = 'v'; |
| 2138 | break; |
| 2139 | |
| 2140 | case DEBUG_PARM_REF_REG: |
| 2141 | stab_type = N_RSYM; |
| 2142 | kindc = 'a'; |
| 2143 | break; |
| 2144 | } |
| 2145 | |
| 2146 | buf = (char *) xmalloc (strlen (name) + strlen (s) + 3); |
| 2147 | sprintf (buf, "%s:%c%s", name, kindc, s); |
| 2148 | free (s); |
| 2149 | |
| 2150 | if (! stab_write_symbol (info, stab_type, 0, val, buf)) |
| 2151 | return FALSE; |
| 2152 | |
| 2153 | free (buf); |
| 2154 | |
| 2155 | return TRUE; |
| 2156 | } |
| 2157 | |
| 2158 | /* Start a block. */ |
| 2159 | |
| 2160 | static bfd_boolean |
| 2161 | stab_start_block (void *p, bfd_vma addr) |
| 2162 | { |
| 2163 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 2164 | |
| 2165 | /* Fill in any slots which have been waiting for the first known |
| 2166 | text address. */ |
| 2167 | |
| 2168 | if (info->so_offset != -1) |
| 2169 | { |
| 2170 | bfd_put_32 (info->abfd, addr, info->symbols + info->so_offset + 8); |
| 2171 | info->so_offset = -1; |
| 2172 | } |
| 2173 | |
| 2174 | if (info->fun_offset != -1) |
| 2175 | { |
| 2176 | bfd_put_32 (info->abfd, addr, info->symbols + info->fun_offset + 8); |
| 2177 | info->fun_offset = -1; |
| 2178 | } |
| 2179 | |
| 2180 | ++info->nesting; |
| 2181 | |
| 2182 | /* We will be called with a top level block surrounding the |
| 2183 | function, but stabs information does not output that block, so we |
| 2184 | ignore it. */ |
| 2185 | |
| 2186 | if (info->nesting == 1) |
| 2187 | { |
| 2188 | info->fnaddr = addr; |
| 2189 | return TRUE; |
| 2190 | } |
| 2191 | |
| 2192 | /* We have to output the LBRAC symbol after any variables which are |
| 2193 | declared inside the block. We postpone the LBRAC until the next |
| 2194 | start_block or end_block. */ |
| 2195 | |
| 2196 | /* If we have postponed an LBRAC, output it now. */ |
| 2197 | if (info->pending_lbrac != (bfd_vma) -1) |
| 2198 | { |
| 2199 | if (! stab_write_symbol (info, N_LBRAC, 0, info->pending_lbrac, |
| 2200 | (const char *) NULL)) |
| 2201 | return FALSE; |
| 2202 | } |
| 2203 | |
| 2204 | /* Remember the address and output it later. */ |
| 2205 | |
| 2206 | info->pending_lbrac = addr - info->fnaddr; |
| 2207 | |
| 2208 | return TRUE; |
| 2209 | } |
| 2210 | |
| 2211 | /* End a block. */ |
| 2212 | |
| 2213 | static bfd_boolean |
| 2214 | stab_end_block (void *p, bfd_vma addr) |
| 2215 | { |
| 2216 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 2217 | |
| 2218 | if (addr > info->last_text_address) |
| 2219 | info->last_text_address = addr; |
| 2220 | |
| 2221 | /* If we have postponed an LBRAC, output it now. */ |
| 2222 | if (info->pending_lbrac != (bfd_vma) -1) |
| 2223 | { |
| 2224 | if (! stab_write_symbol (info, N_LBRAC, 0, info->pending_lbrac, |
| 2225 | (const char *) NULL)) |
| 2226 | return FALSE; |
| 2227 | info->pending_lbrac = (bfd_vma) -1; |
| 2228 | } |
| 2229 | |
| 2230 | assert (info->nesting > 0); |
| 2231 | |
| 2232 | --info->nesting; |
| 2233 | |
| 2234 | /* We ignore the outermost block. */ |
| 2235 | if (info->nesting == 0) |
| 2236 | return TRUE; |
| 2237 | |
| 2238 | return stab_write_symbol (info, N_RBRAC, 0, addr - info->fnaddr, |
| 2239 | (const char *) NULL); |
| 2240 | } |
| 2241 | |
| 2242 | /* End a function. */ |
| 2243 | |
| 2244 | static bfd_boolean |
| 2245 | stab_end_function (void *p ATTRIBUTE_UNUSED) |
| 2246 | { |
| 2247 | return TRUE; |
| 2248 | } |
| 2249 | |
| 2250 | /* Output a line number. */ |
| 2251 | |
| 2252 | static bfd_boolean |
| 2253 | stab_lineno (void *p, const char *file, unsigned long lineno, bfd_vma addr) |
| 2254 | { |
| 2255 | struct stab_write_handle *info = (struct stab_write_handle *) p; |
| 2256 | |
| 2257 | assert (info->lineno_filename != NULL); |
| 2258 | |
| 2259 | if (addr > info->last_text_address) |
| 2260 | info->last_text_address = addr; |
| 2261 | |
| 2262 | if (filename_cmp (file, info->lineno_filename) != 0) |
| 2263 | { |
| 2264 | if (! stab_write_symbol (info, N_SOL, 0, addr, file)) |
| 2265 | return FALSE; |
| 2266 | info->lineno_filename = file; |
| 2267 | } |
| 2268 | |
| 2269 | return stab_write_symbol (info, N_SLINE, lineno, addr - info->fnaddr, |
| 2270 | (const char *) NULL); |
| 2271 | } |