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