| 1 | /* Read hp debug symbols and convert to internal format, for GDB. |
| 2 | Copyright 1993 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GDB. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 | |
| 20 | Written by the Center for Software Science at the University of Utah |
| 21 | and by Cygnus Support. */ |
| 22 | |
| 23 | #include "defs.h" |
| 24 | #include "bfd.h" |
| 25 | #include <string.h> |
| 26 | #include "hp-symtab.h" |
| 27 | #include "syms.h" |
| 28 | #include "symtab.h" |
| 29 | #include "symfile.h" |
| 30 | #include "objfiles.h" |
| 31 | #include "buildsym.h" |
| 32 | #include "complaints.h" |
| 33 | #include "gdb-stabs.h" |
| 34 | #include "gdbtypes.h" |
| 35 | |
| 36 | /* Private information attached to an objfile which we use to find |
| 37 | and internalize the HP C debug symbols within that objfile. */ |
| 38 | |
| 39 | struct hpread_symfile_info |
| 40 | { |
| 41 | /* The contents of each of the debug sections (there are 4 of them). */ |
| 42 | char *gntt; |
| 43 | char *lntt; |
| 44 | char *slt; |
| 45 | char *vt; |
| 46 | |
| 47 | /* We keep the size of the $VT$ section for range checking. */ |
| 48 | unsigned int vt_size; |
| 49 | |
| 50 | /* Some routines still need to know the number of symbols in the |
| 51 | main debug sections ($LNTT$ and $GNTT$). */ |
| 52 | unsigned int lntt_symcount; |
| 53 | unsigned int gntt_symcount; |
| 54 | |
| 55 | /* To keep track of all the types we've processed. */ |
| 56 | struct type **type_vector; |
| 57 | int type_vector_length; |
| 58 | |
| 59 | /* Keeps track of the beginning of a range of source lines. */ |
| 60 | sltpointer sl_index; |
| 61 | |
| 62 | /* Some state variables we'll need. */ |
| 63 | int within_function; |
| 64 | |
| 65 | /* Keep track of the current function's address. We may need to look |
| 66 | up something based on this address. */ |
| 67 | unsigned int current_function_value; |
| 68 | }; |
| 69 | |
| 70 | /* Accessor macros to get at the fields. */ |
| 71 | #define HPUX_SYMFILE_INFO(o) \ |
| 72 | ((struct hpread_symfile_info *)((o)->sym_private)) |
| 73 | #define GNTT(o) (HPUX_SYMFILE_INFO(o)->gntt) |
| 74 | #define LNTT(o) (HPUX_SYMFILE_INFO(o)->lntt) |
| 75 | #define SLT(o) (HPUX_SYMFILE_INFO(o)->slt) |
| 76 | #define VT(o) (HPUX_SYMFILE_INFO(o)->vt) |
| 77 | #define VT_SIZE(o) (HPUX_SYMFILE_INFO(o)->vt_size) |
| 78 | #define LNTT_SYMCOUNT(o) (HPUX_SYMFILE_INFO(o)->lntt_symcount) |
| 79 | #define GNTT_SYMCOUNT(o) (HPUX_SYMFILE_INFO(o)->gntt_symcount) |
| 80 | #define TYPE_VECTOR(o) (HPUX_SYMFILE_INFO(o)->type_vector) |
| 81 | #define TYPE_VECTOR_LENGTH(o) (HPUX_SYMFILE_INFO(o)->type_vector_length) |
| 82 | #define SL_INDEX(o) (HPUX_SYMFILE_INFO(o)->sl_index) |
| 83 | #define WITHIN_FUNCTION(o) (HPUX_SYMFILE_INFO(o)->within_function) |
| 84 | #define CURRENT_FUNCTION_VALUE(o) (HPUX_SYMFILE_INFO(o)->current_function_value) |
| 85 | |
| 86 | /* Given the native debug symbol SYM, set NAMEP to the name associated |
| 87 | with the debug symbol. Note we may be called with a debug symbol which |
| 88 | has no associated name, in that case we return an empty string. |
| 89 | |
| 90 | Also note we "know" that the name for any symbol is always in the |
| 91 | same place. Hence we don't have to conditionalize on the symbol type. */ |
| 92 | #define SET_NAMESTRING(SYM, NAMEP, OBJFILE) \ |
| 93 | if (! hpread_has_name ((SYM)->dblock.kind)) \ |
| 94 | *NAMEP = ""; \ |
| 95 | else if (((unsigned)(SYM)->dsfile.name) >= VT_SIZE (OBJFILE)) \ |
| 96 | { \ |
| 97 | complain (&string_table_offset_complaint, (char *) symnum); \ |
| 98 | *NAMEP = ""; \ |
| 99 | } \ |
| 100 | else \ |
| 101 | *NAMEP = (SYM)->dsfile.name + VT (OBJFILE) |
| 102 | \f |
| 103 | /* We put a pointer to this structure in the read_symtab_private field |
| 104 | of the psymtab. */ |
| 105 | |
| 106 | struct symloc |
| 107 | { |
| 108 | /* The offset within the file symbol table of first local symbol for |
| 109 | this file. */ |
| 110 | |
| 111 | int ldsymoff; |
| 112 | |
| 113 | /* Length (in bytes) of the section of the symbol table devoted to |
| 114 | this file's symbols (actually, the section bracketed may contain |
| 115 | more than just this file's symbols). If ldsymlen is 0, the only |
| 116 | reason for this thing's existence is the dependency list. |
| 117 | Nothing else will happen when it is read in. */ |
| 118 | |
| 119 | int ldsymlen; |
| 120 | }; |
| 121 | |
| 122 | #define LDSYMOFF(p) (((struct symloc *)((p)->read_symtab_private))->ldsymoff) |
| 123 | #define LDSYMLEN(p) (((struct symloc *)((p)->read_symtab_private))->ldsymlen) |
| 124 | #define SYMLOC(p) ((struct symloc *)((p)->read_symtab_private)) |
| 125 | \f |
| 126 | /* FIXME: Shouldn't this stuff be in a .h file somewhere? */ |
| 127 | /* Nonzero means give verbose info on gdb action. */ |
| 128 | extern int info_verbose; |
| 129 | |
| 130 | /* Complaints about the symbols we have encountered. */ |
| 131 | extern struct complaint string_table_offset_complaint; |
| 132 | extern struct complaint lbrac_unmatched_complaint; |
| 133 | extern struct complaint lbrac_mismatch_complaint; |
| 134 | |
| 135 | \f |
| 136 | void hpread_symfile_init PARAMS ((struct objfile *)); |
| 137 | |
| 138 | static struct type *hpread_alloc_type |
| 139 | PARAMS ((dnttpointer, struct objfile *)); |
| 140 | |
| 141 | static struct type **hpread_lookup_type |
| 142 | PARAMS ((dnttpointer, struct objfile *)); |
| 143 | |
| 144 | static struct type *hpread_read_enum_type |
| 145 | PARAMS ((dnttpointer, union dnttentry *, struct objfile *)); |
| 146 | |
| 147 | static struct type *hpread_read_set_type |
| 148 | PARAMS ((dnttpointer, union dnttentry *, struct objfile *)); |
| 149 | |
| 150 | static struct type *hpread_read_subrange_type |
| 151 | PARAMS ((dnttpointer, union dnttentry *, struct objfile *)); |
| 152 | |
| 153 | static struct type *hpread_read_struct_type |
| 154 | PARAMS ((dnttpointer, union dnttentry *, struct objfile *)); |
| 155 | |
| 156 | void hpread_build_psymtabs |
| 157 | PARAMS ((struct objfile *, struct section_offsets *, int)); |
| 158 | |
| 159 | void hpread_symfile_finish PARAMS ((struct objfile *)); |
| 160 | |
| 161 | static struct partial_symtab *hpread_start_psymtab |
| 162 | PARAMS ((struct objfile *, struct section_offsets *, char *, CORE_ADDR, int, |
| 163 | struct partial_symbol *, struct partial_symbol *)); |
| 164 | |
| 165 | static struct partial_symtab *hpread_end_psymtab |
| 166 | PARAMS ((struct partial_symtab *, char **, int, int, CORE_ADDR, |
| 167 | struct partial_symtab **, int)); |
| 168 | |
| 169 | static struct symtab *hpread_expand_symtab |
| 170 | PARAMS ((struct objfile *, int, int, CORE_ADDR, int, |
| 171 | struct section_offsets *, char *)); |
| 172 | |
| 173 | static void hpread_process_one_debug_symbol |
| 174 | PARAMS ((union dnttentry *, char *, struct section_offsets *, |
| 175 | struct objfile *, CORE_ADDR, int, char *, int)); |
| 176 | |
| 177 | static sltpointer hpread_record_lines |
| 178 | PARAMS ((struct subfile *, sltpointer, sltpointer, |
| 179 | struct objfile *, CORE_ADDR)); |
| 180 | |
| 181 | static struct type *hpread_read_function_type |
| 182 | PARAMS ((dnttpointer, union dnttentry *, struct objfile *)); |
| 183 | |
| 184 | static struct type * hpread_type_lookup |
| 185 | PARAMS ((dnttpointer, struct objfile *)); |
| 186 | |
| 187 | static unsigned long hpread_get_depth |
| 188 | PARAMS ((sltpointer, struct objfile *)); |
| 189 | |
| 190 | static unsigned long hpread_get_line |
| 191 | PARAMS ((sltpointer, struct objfile *)); |
| 192 | |
| 193 | static CORE_ADDR hpread_get_location |
| 194 | PARAMS ((sltpointer, struct objfile *)); |
| 195 | |
| 196 | static int hpread_type_translate PARAMS ((dnttpointer)); |
| 197 | static unsigned long hpread_get_textlow PARAMS ((int, int, struct objfile *)); |
| 198 | static union dnttentry *hpread_get_gntt PARAMS ((int, struct objfile *)); |
| 199 | static union dnttentry *hpread_get_lntt PARAMS ((int, struct objfile *)); |
| 200 | static union sltentry *hpread_get_slt PARAMS ((int, struct objfile *)); |
| 201 | static void hpread_psymtab_to_symtab PARAMS ((struct partial_symtab *)); |
| 202 | static void hpread_psymtab_to_symtab_1 PARAMS ((struct partial_symtab *)); |
| 203 | static int hpread_has_name PARAMS ((enum dntt_entry_type)); |
| 204 | |
| 205 | \f |
| 206 | /* Initialization for reading native HP C debug symbols from OBJFILE. |
| 207 | |
| 208 | It's only purpose in life is to set up the symbol reader's private |
| 209 | per-objfile data structures, and read in the raw contents of the debug |
| 210 | sections (attaching pointers to the debug info into the private data |
| 211 | structures). |
| 212 | |
| 213 | Since BFD doesn't know how to read debug symbols in a format-independent |
| 214 | way (and may never do so...), we have to do it ourselves. Note we may |
| 215 | be called on a file without native HP C debugging symbols. |
| 216 | FIXME, there should be a cleaner peephole into the BFD environment here. */ |
| 217 | |
| 218 | void |
| 219 | hpread_symfile_init (objfile) |
| 220 | struct objfile *objfile; |
| 221 | { |
| 222 | asection *vt_section, *slt_section, *lntt_section, *gntt_section; |
| 223 | |
| 224 | /* Allocate struct to keep track of the symfile */ |
| 225 | objfile->sym_private = (PTR) |
| 226 | xmmalloc (objfile->md, sizeof (struct hpread_symfile_info)); |
| 227 | memset (objfile->sym_private, 0, sizeof (struct hpread_symfile_info)); |
| 228 | |
| 229 | /* We haven't read in any types yet. */ |
| 230 | TYPE_VECTOR (objfile) = 0; |
| 231 | |
| 232 | /* Read in data from the $GNTT$ subspace. */ |
| 233 | gntt_section = bfd_get_section_by_name (objfile->obfd, "$GNTT$"); |
| 234 | if (!gntt_section) |
| 235 | return; |
| 236 | |
| 237 | GNTT (objfile) |
| 238 | = obstack_alloc (&objfile->symbol_obstack, |
| 239 | bfd_section_size (objfile->obfd, gntt_section)); |
| 240 | |
| 241 | bfd_get_section_contents (objfile->obfd, gntt_section, GNTT (objfile), |
| 242 | 0, bfd_section_size (objfile->obfd, gntt_section)); |
| 243 | |
| 244 | GNTT_SYMCOUNT (objfile) |
| 245 | = bfd_section_size (objfile->obfd, gntt_section) |
| 246 | / sizeof (struct dntt_type_block); |
| 247 | |
| 248 | /* Read in data from the $LNTT$ subspace. Also keep track of the number |
| 249 | of LNTT symbols. */ |
| 250 | lntt_section = bfd_get_section_by_name (objfile->obfd, "$LNTT$"); |
| 251 | if (!lntt_section) |
| 252 | return; |
| 253 | |
| 254 | LNTT (objfile) |
| 255 | = obstack_alloc (&objfile->symbol_obstack, |
| 256 | bfd_section_size (objfile->obfd, lntt_section)); |
| 257 | |
| 258 | bfd_get_section_contents (objfile->obfd, lntt_section, LNTT (objfile), |
| 259 | 0, bfd_section_size (objfile->obfd, lntt_section)); |
| 260 | |
| 261 | LNTT_SYMCOUNT (objfile) |
| 262 | = bfd_section_size (objfile->obfd, lntt_section) |
| 263 | / sizeof (struct dntt_type_block); |
| 264 | |
| 265 | /* Read in data from the $SLT$ subspace. $SLT$ contains information |
| 266 | on source line numbers. */ |
| 267 | slt_section = bfd_get_section_by_name (objfile->obfd, "$SLT$"); |
| 268 | if (!slt_section) |
| 269 | return; |
| 270 | |
| 271 | SLT (objfile) = |
| 272 | obstack_alloc (&objfile->symbol_obstack, |
| 273 | bfd_section_size (objfile->obfd, slt_section)); |
| 274 | |
| 275 | bfd_get_section_contents (objfile->obfd, slt_section, SLT (objfile), |
| 276 | 0, bfd_section_size (objfile->obfd, slt_section)); |
| 277 | |
| 278 | /* Read in data from the $VT$ subspace. $VT$ contains things like |
| 279 | names and constants. Keep track of the number of symbols in the VT. */ |
| 280 | vt_section = bfd_get_section_by_name (objfile->obfd, "$VT$"); |
| 281 | if (!vt_section) |
| 282 | return; |
| 283 | |
| 284 | VT_SIZE (objfile) = bfd_section_size (objfile->obfd, vt_section); |
| 285 | |
| 286 | VT (objfile) = |
| 287 | (char *) obstack_alloc (&objfile->symbol_obstack, |
| 288 | VT_SIZE (objfile)); |
| 289 | |
| 290 | bfd_get_section_contents (objfile->obfd, vt_section, VT (objfile), |
| 291 | 0, VT_SIZE (objfile)); |
| 292 | } |
| 293 | |
| 294 | /* Scan and build partial symbols for a symbol file. |
| 295 | |
| 296 | The minimal symbol table (either SOM or HP a.out) has already been |
| 297 | read in; all we need to do is setup partial symbols based on the |
| 298 | native debugging information. |
| 299 | |
| 300 | We assume hpread_symfile_init has been called to initialize the |
| 301 | symbol reader's private data structures. |
| 302 | |
| 303 | SECTION_OFFSETS contains offsets relative to which the symbols in the |
| 304 | various sections are (depending where the sections were actually loaded). |
| 305 | MAINLINE is true if we are reading the main symbol |
| 306 | table (as opposed to a shared lib or dynamically loaded file). */ |
| 307 | |
| 308 | void |
| 309 | hpread_build_psymtabs (objfile, section_offsets, mainline) |
| 310 | struct objfile *objfile; |
| 311 | struct section_offsets *section_offsets; |
| 312 | int mainline; |
| 313 | { |
| 314 | char *namestring; |
| 315 | int past_first_source_file = 0; |
| 316 | struct cleanup *old_chain; |
| 317 | |
| 318 | int hp_symnum, symcount, i; |
| 319 | |
| 320 | union dnttentry *dn_bufp; |
| 321 | unsigned long valu; |
| 322 | char *p; |
| 323 | int texthigh = 0; |
| 324 | int have_name = 0; |
| 325 | |
| 326 | /* Current partial symtab */ |
| 327 | struct partial_symtab *pst; |
| 328 | |
| 329 | /* List of current psymtab's include files */ |
| 330 | char **psymtab_include_list; |
| 331 | int includes_allocated; |
| 332 | int includes_used; |
| 333 | |
| 334 | /* Index within current psymtab dependency list */ |
| 335 | struct partial_symtab **dependency_list; |
| 336 | int dependencies_used, dependencies_allocated; |
| 337 | |
| 338 | /* Just in case the stabs reader left turds lying around. */ |
| 339 | pending_blocks = 0; |
| 340 | make_cleanup (really_free_pendings, 0); |
| 341 | |
| 342 | pst = (struct partial_symtab *) 0; |
| 343 | |
| 344 | /* We shouldn't use alloca, instead use malloc/free. Doing so avoids |
| 345 | a number of problems with cross compilation and creating useless holes |
| 346 | in the stack when we have to allocate new entries. FIXME. */ |
| 347 | |
| 348 | includes_allocated = 30; |
| 349 | includes_used = 0; |
| 350 | psymtab_include_list = (char **) alloca (includes_allocated * |
| 351 | sizeof (char *)); |
| 352 | |
| 353 | dependencies_allocated = 30; |
| 354 | dependencies_used = 0; |
| 355 | dependency_list = |
| 356 | (struct partial_symtab **) alloca (dependencies_allocated * |
| 357 | sizeof (struct partial_symtab *)); |
| 358 | |
| 359 | old_chain = make_cleanup (free_objfile, objfile); |
| 360 | |
| 361 | last_source_file = 0; |
| 362 | |
| 363 | /* Make two passes, one ofr the GNTT symbols, the other for the |
| 364 | LNTT symbols. */ |
| 365 | for (i = 0; i < 1; i++) |
| 366 | { |
| 367 | int within_function = 0; |
| 368 | |
| 369 | if (i) |
| 370 | symcount = GNTT_SYMCOUNT (objfile); |
| 371 | else |
| 372 | symcount = LNTT_SYMCOUNT (objfile); |
| 373 | |
| 374 | for (hp_symnum = 0; hp_symnum < symcount; hp_symnum++) |
| 375 | { |
| 376 | QUIT; |
| 377 | if (i) |
| 378 | dn_bufp = hpread_get_gntt (hp_symnum, objfile); |
| 379 | else |
| 380 | dn_bufp = hpread_get_lntt (hp_symnum, objfile); |
| 381 | |
| 382 | if (dn_bufp->dblock.extension) |
| 383 | continue; |
| 384 | |
| 385 | /* Only handle things which are necessary for minimal symbols. |
| 386 | everything else is ignored. */ |
| 387 | switch (dn_bufp->dblock.kind) |
| 388 | { |
| 389 | case DNTT_TYPE_SRCFILE: |
| 390 | { |
| 391 | /* A source file of some kind. Note this may simply |
| 392 | be an included file. */ |
| 393 | SET_NAMESTRING (dn_bufp, &namestring, objfile); |
| 394 | |
| 395 | /* Check if this is the source file we are already working |
| 396 | with. */ |
| 397 | if (pst && !strcmp (namestring, pst->filename)) |
| 398 | continue; |
| 399 | |
| 400 | /* Check if this is an include file, if so check if we have |
| 401 | already seen it. Add it to the include list */ |
| 402 | p = strrchr (namestring, '.'); |
| 403 | if (!strcmp (p, ".h")) |
| 404 | { |
| 405 | int j, found; |
| 406 | |
| 407 | found = 0; |
| 408 | for (j = 0; j < includes_used; j++) |
| 409 | if (!strcmp (namestring, psymtab_include_list[j])) |
| 410 | { |
| 411 | found = 1; |
| 412 | break; |
| 413 | } |
| 414 | if (found) |
| 415 | continue; |
| 416 | |
| 417 | /* Add it to the list of includes seen so far and |
| 418 | allocate more include space if necessary. */ |
| 419 | psymtab_include_list[includes_used++] = namestring; |
| 420 | if (includes_used >= includes_allocated) |
| 421 | { |
| 422 | char **orig = psymtab_include_list; |
| 423 | |
| 424 | psymtab_include_list = (char **) |
| 425 | alloca ((includes_allocated *= 2) * |
| 426 | sizeof (char *)); |
| 427 | memcpy ((PTR) psymtab_include_list, (PTR) orig, |
| 428 | includes_used * sizeof (char *)); |
| 429 | } |
| 430 | continue; |
| 431 | } |
| 432 | |
| 433 | |
| 434 | if (pst) |
| 435 | { |
| 436 | if (!have_name) |
| 437 | { |
| 438 | pst->filename = (char *) |
| 439 | obstack_alloc (&pst->objfile->psymbol_obstack, |
| 440 | strlen (namestring) + 1); |
| 441 | strcpy (pst->filename, namestring); |
| 442 | have_name = 1; |
| 443 | continue; |
| 444 | } |
| 445 | continue; |
| 446 | } |
| 447 | |
| 448 | /* This is a bonafide new source file. |
| 449 | End the current partial symtab and start a new one. */ |
| 450 | |
| 451 | if (pst && past_first_source_file) |
| 452 | { |
| 453 | hpread_end_psymtab (pst, psymtab_include_list, |
| 454 | includes_used, |
| 455 | (hp_symnum |
| 456 | * sizeof (struct dntt_type_block)), |
| 457 | texthigh, |
| 458 | dependency_list, dependencies_used); |
| 459 | pst = (struct partial_symtab *) 0; |
| 460 | includes_used = 0; |
| 461 | dependencies_used = 0; |
| 462 | } |
| 463 | else |
| 464 | past_first_source_file = 1; |
| 465 | |
| 466 | valu = hpread_get_textlow (i, hp_symnum, objfile); |
| 467 | valu += ANOFFSET (section_offsets, SECT_OFF_TEXT); |
| 468 | pst = hpread_start_psymtab (objfile, section_offsets, |
| 469 | namestring, valu, |
| 470 | (hp_symnum |
| 471 | * sizeof (struct dntt_type_block)), |
| 472 | objfile->global_psymbols.next, |
| 473 | objfile->static_psymbols.next); |
| 474 | texthigh = valu; |
| 475 | have_name = 1; |
| 476 | continue; |
| 477 | } |
| 478 | |
| 479 | case DNTT_TYPE_MODULE: |
| 480 | /* A source file. It's still unclear to me what the |
| 481 | real difference between a DNTT_TYPE_SRCFILE and DNTT_TYPE_MODULE |
| 482 | is supposed to be. */ |
| 483 | SET_NAMESTRING (dn_bufp, &namestring, objfile); |
| 484 | valu = hpread_get_textlow (i, hp_symnum, objfile); |
| 485 | valu += ANOFFSET (section_offsets, SECT_OFF_TEXT); |
| 486 | if (!pst) |
| 487 | { |
| 488 | pst = hpread_start_psymtab (objfile, section_offsets, |
| 489 | namestring, valu, |
| 490 | (hp_symnum |
| 491 | * sizeof (struct dntt_type_block)), |
| 492 | objfile->global_psymbols.next, |
| 493 | objfile->static_psymbols.next); |
| 494 | texthigh = valu; |
| 495 | have_name = 0; |
| 496 | } |
| 497 | continue; |
| 498 | case DNTT_TYPE_FUNCTION: |
| 499 | case DNTT_TYPE_ENTRY: |
| 500 | /* The beginning of a function. DNTT_TYPE_ENTRY may also denote |
| 501 | a secondary entry point. */ |
| 502 | valu = dn_bufp->dfunc.hiaddr + ANOFFSET (section_offsets, |
| 503 | SECT_OFF_TEXT); |
| 504 | if (valu > texthigh) |
| 505 | texthigh = valu; |
| 506 | valu = dn_bufp->dfunc.lowaddr + |
| 507 | ANOFFSET (section_offsets, SECT_OFF_TEXT); |
| 508 | SET_NAMESTRING (dn_bufp, &namestring, objfile); |
| 509 | ADD_PSYMBOL_TO_LIST (namestring, strlen (namestring), |
| 510 | VAR_NAMESPACE, LOC_BLOCK, |
| 511 | objfile->static_psymbols, valu, |
| 512 | language_unknown, objfile); |
| 513 | within_function = 1; |
| 514 | continue; |
| 515 | case DNTT_TYPE_BEGIN: |
| 516 | case DNTT_TYPE_END: |
| 517 | /* Scope block begin/end. We only care about function |
| 518 | and file blocks right now. */ |
| 519 | if (dn_bufp->dend.endkind == DNTT_TYPE_MODULE) |
| 520 | { |
| 521 | hpread_end_psymtab (pst, psymtab_include_list, includes_used, |
| 522 | (hp_symnum |
| 523 | * sizeof (struct dntt_type_block)), |
| 524 | texthigh, |
| 525 | dependency_list, dependencies_used); |
| 526 | pst = (struct partial_symtab *) 0; |
| 527 | includes_used = 0; |
| 528 | dependencies_used = 0; |
| 529 | have_name = 0; |
| 530 | } |
| 531 | if (dn_bufp->dend.endkind == DNTT_TYPE_FUNCTION) |
| 532 | within_function = 0; |
| 533 | continue; |
| 534 | case DNTT_TYPE_SVAR: |
| 535 | case DNTT_TYPE_DVAR: |
| 536 | case DNTT_TYPE_TYPEDEF: |
| 537 | case DNTT_TYPE_TAGDEF: |
| 538 | { |
| 539 | /* Variables, typedefs an the like. */ |
| 540 | enum address_class storage; |
| 541 | enum namespace namespace; |
| 542 | |
| 543 | /* Don't add locals to the partial symbol table. */ |
| 544 | if (within_function |
| 545 | && (dn_bufp->dblock.kind == DNTT_TYPE_SVAR |
| 546 | || dn_bufp->dblock.kind == DNTT_TYPE_DVAR)) |
| 547 | continue; |
| 548 | |
| 549 | /* TAGDEFs go into the structure namespace. */ |
| 550 | if (dn_bufp->dblock.kind == DNTT_TYPE_TAGDEF) |
| 551 | namespace = STRUCT_NAMESPACE; |
| 552 | else |
| 553 | namespace = VAR_NAMESPACE; |
| 554 | |
| 555 | /* What kind of "storage" does this use? */ |
| 556 | if (dn_bufp->dblock.kind == DNTT_TYPE_SVAR) |
| 557 | storage = LOC_STATIC; |
| 558 | else if (dn_bufp->dblock.kind == DNTT_TYPE_DVAR |
| 559 | && dn_bufp->ddvar.regvar) |
| 560 | storage = LOC_REGISTER; |
| 561 | else if (dn_bufp->dblock.kind == DNTT_TYPE_DVAR) |
| 562 | storage = LOC_LOCAL; |
| 563 | else |
| 564 | storage = LOC_UNDEF; |
| 565 | |
| 566 | SET_NAMESTRING (dn_bufp, &namestring, objfile); |
| 567 | if (!pst) |
| 568 | { |
| 569 | pst = hpread_start_psymtab (objfile, section_offsets, |
| 570 | "globals", 0, |
| 571 | (hp_symnum |
| 572 | * sizeof (struct dntt_type_block)), |
| 573 | objfile->global_psymbols.next, |
| 574 | objfile->static_psymbols.next); |
| 575 | } |
| 576 | if (dn_bufp->dsvar.global) |
| 577 | { |
| 578 | ADD_PSYMBOL_TO_LIST (namestring, strlen (namestring), |
| 579 | namespace, storage, |
| 580 | objfile->global_psymbols, |
| 581 | dn_bufp->dsvar.location, |
| 582 | language_unknown, objfile); |
| 583 | } |
| 584 | else |
| 585 | { |
| 586 | ADD_PSYMBOL_TO_LIST (namestring, strlen (namestring), |
| 587 | namespace, storage, |
| 588 | objfile->static_psymbols, |
| 589 | dn_bufp->dsvar.location, |
| 590 | language_unknown, objfile); |
| 591 | } |
| 592 | continue; |
| 593 | } |
| 594 | case DNTT_TYPE_MEMENUM: |
| 595 | case DNTT_TYPE_CONST: |
| 596 | /* Constants and members of enumerated types. */ |
| 597 | SET_NAMESTRING (dn_bufp, &namestring, objfile); |
| 598 | if (!pst) |
| 599 | { |
| 600 | pst = hpread_start_psymtab (objfile, section_offsets, |
| 601 | "globals", 0, |
| 602 | (hp_symnum |
| 603 | * sizeof (struct dntt_type_block)), |
| 604 | objfile->global_psymbols.next, |
| 605 | objfile->static_psymbols.next); |
| 606 | } |
| 607 | ADD_PSYMBOL_TO_LIST (namestring, strlen (namestring), |
| 608 | VAR_NAMESPACE, LOC_CONST, |
| 609 | objfile->static_psymbols, 0, |
| 610 | language_unknown, objfile); |
| 611 | continue; |
| 612 | default: |
| 613 | continue; |
| 614 | } |
| 615 | } |
| 616 | } |
| 617 | |
| 618 | /* End any pending partial symbol table. */ |
| 619 | if (pst) |
| 620 | { |
| 621 | hpread_end_psymtab (pst, psymtab_include_list, includes_used, |
| 622 | hp_symnum * sizeof (struct dntt_type_block), |
| 623 | 0, dependency_list, dependencies_used); |
| 624 | } |
| 625 | |
| 626 | discard_cleanups (old_chain); |
| 627 | } |
| 628 | |
| 629 | /* Perform any local cleanups required when we are done with a particular |
| 630 | objfile. I.E, we are in the process of discarding all symbol information |
| 631 | for an objfile, freeing up all memory held for it, and unlinking the |
| 632 | objfile struct from the global list of known objfiles. */ |
| 633 | |
| 634 | void |
| 635 | hpread_symfile_finish (objfile) |
| 636 | struct objfile *objfile; |
| 637 | { |
| 638 | if (objfile->sym_private != NULL) |
| 639 | { |
| 640 | mfree (objfile->md, objfile->sym_private); |
| 641 | } |
| 642 | } |
| 643 | \f |
| 644 | |
| 645 | /* The remaining functions are all for internal use only. */ |
| 646 | |
| 647 | /* Various small functions to get entries in the debug symbol sections. */ |
| 648 | |
| 649 | static union dnttentry * |
| 650 | hpread_get_lntt (index, objfile) |
| 651 | int index; |
| 652 | struct objfile *objfile; |
| 653 | { |
| 654 | return (union dnttentry *) |
| 655 | &(LNTT (objfile)[(index * sizeof (struct dntt_type_block))]); |
| 656 | } |
| 657 | |
| 658 | static union dnttentry * |
| 659 | hpread_get_gntt (index, objfile) |
| 660 | int index; |
| 661 | struct objfile *objfile; |
| 662 | { |
| 663 | return (union dnttentry *) |
| 664 | &(GNTT (objfile)[(index * sizeof (struct dntt_type_block))]); |
| 665 | } |
| 666 | |
| 667 | static union sltentry * |
| 668 | hpread_get_slt (index, objfile) |
| 669 | int index; |
| 670 | struct objfile *objfile; |
| 671 | { |
| 672 | return (union sltentry *)&(SLT (objfile)[index * sizeof (union sltentry)]); |
| 673 | } |
| 674 | |
| 675 | /* Get the low address associated with some symbol (typically the start |
| 676 | of a particular source file or module). Since that information is not |
| 677 | stored as part of the DNTT_TYPE_MODULE or DNTT_TYPE_SRCFILE symbol we must infer it from |
| 678 | the existance of DNTT_TYPE_FUNCTION symbols. */ |
| 679 | |
| 680 | static unsigned long |
| 681 | hpread_get_textlow (global, index, objfile) |
| 682 | int global; |
| 683 | int index; |
| 684 | struct objfile *objfile; |
| 685 | { |
| 686 | union dnttentry *dn_bufp; |
| 687 | struct minimal_symbol *msymbol; |
| 688 | |
| 689 | /* Look for a DNTT_TYPE_FUNCTION symbol. */ |
| 690 | do |
| 691 | { |
| 692 | if (global) |
| 693 | dn_bufp = hpread_get_gntt (index++, objfile); |
| 694 | else |
| 695 | dn_bufp = hpread_get_lntt (index++, objfile); |
| 696 | } while (dn_bufp->dblock.kind != DNTT_TYPE_FUNCTION |
| 697 | && dn_bufp->dblock.kind != DNTT_TYPE_END); |
| 698 | |
| 699 | /* Avoid going past a DNTT_TYPE_END when looking for a DNTT_TYPE_FUNCTION. This |
| 700 | might happen when a sourcefile has no functions. */ |
| 701 | if (dn_bufp->dblock.kind == DNTT_TYPE_END) |
| 702 | return 0; |
| 703 | |
| 704 | /* The minimal symbols are typically more accurate for some reason. */ |
| 705 | msymbol = lookup_minimal_symbol (dn_bufp->dfunc.name + VT (objfile), NULL, |
| 706 | objfile); |
| 707 | if (msymbol) |
| 708 | return SYMBOL_VALUE_ADDRESS (msymbol); |
| 709 | else |
| 710 | return dn_bufp->dfunc.lowaddr; |
| 711 | } |
| 712 | |
| 713 | /* Get the nesting depth for the source line identified by INDEX. */ |
| 714 | |
| 715 | static unsigned long |
| 716 | hpread_get_depth (index, objfile) |
| 717 | sltpointer index; |
| 718 | struct objfile *objfile; |
| 719 | { |
| 720 | union sltentry *sl_bufp; |
| 721 | |
| 722 | sl_bufp = hpread_get_slt (index, objfile); |
| 723 | return sl_bufp->sspec.backptr.dnttp.index; |
| 724 | } |
| 725 | |
| 726 | /* Get the source line number the the line identified by INDEX. */ |
| 727 | |
| 728 | static unsigned long |
| 729 | hpread_get_line (index, objfile) |
| 730 | sltpointer index; |
| 731 | struct objfile *objfile; |
| 732 | { |
| 733 | union sltentry *sl_bufp; |
| 734 | |
| 735 | sl_bufp = hpread_get_slt (index, objfile); |
| 736 | return sl_bufp->snorm.line; |
| 737 | } |
| 738 | |
| 739 | static CORE_ADDR |
| 740 | hpread_get_location (index, objfile) |
| 741 | sltpointer index; |
| 742 | struct objfile *objfile; |
| 743 | { |
| 744 | union sltentry *sl_bufp; |
| 745 | int i; |
| 746 | |
| 747 | /* code location of special sltentrys is determined from context */ |
| 748 | sl_bufp = hpread_get_slt (index, objfile); |
| 749 | |
| 750 | if (sl_bufp->snorm.sltdesc == SLT_END) |
| 751 | { |
| 752 | /* find previous normal sltentry and get address */ |
| 753 | for (i = 0; ((sl_bufp->snorm.sltdesc != SLT_NORMAL) && |
| 754 | (sl_bufp->snorm.sltdesc != SLT_EXIT)); i++) |
| 755 | sl_bufp = hpread_get_slt (index - i, objfile); |
| 756 | return sl_bufp->snorm.address; |
| 757 | } |
| 758 | |
| 759 | /* find next normal sltentry and get address */ |
| 760 | for (i = 0; ((sl_bufp->snorm.sltdesc != SLT_NORMAL) && |
| 761 | (sl_bufp->snorm.sltdesc != SLT_EXIT)); i++) |
| 762 | sl_bufp = hpread_get_slt (index + i, objfile); |
| 763 | return sl_bufp->snorm.address; |
| 764 | } |
| 765 | \f |
| 766 | |
| 767 | /* Return 1 if an HP debug symbol of type KIND has a name associated with |
| 768 | it, else return 0. */ |
| 769 | |
| 770 | static int |
| 771 | hpread_has_name (kind) |
| 772 | enum dntt_entry_type kind; |
| 773 | { |
| 774 | switch (kind) |
| 775 | { |
| 776 | case DNTT_TYPE_SRCFILE: |
| 777 | case DNTT_TYPE_MODULE: |
| 778 | case DNTT_TYPE_FUNCTION: |
| 779 | case DNTT_TYPE_ENTRY: |
| 780 | case DNTT_TYPE_IMPORT: |
| 781 | case DNTT_TYPE_LABEL: |
| 782 | case DNTT_TYPE_FPARAM: |
| 783 | case DNTT_TYPE_SVAR: |
| 784 | case DNTT_TYPE_DVAR: |
| 785 | case DNTT_TYPE_CONST: |
| 786 | case DNTT_TYPE_TYPEDEF: |
| 787 | case DNTT_TYPE_TAGDEF: |
| 788 | case DNTT_TYPE_MEMENUM: |
| 789 | case DNTT_TYPE_FIELD: |
| 790 | case DNTT_TYPE_SA: |
| 791 | return 1; |
| 792 | |
| 793 | case DNTT_TYPE_BEGIN: |
| 794 | case DNTT_TYPE_END: |
| 795 | case DNTT_TYPE_WITH: |
| 796 | case DNTT_TYPE_COMMON: |
| 797 | case DNTT_TYPE_POINTER: |
| 798 | case DNTT_TYPE_ENUM: |
| 799 | case DNTT_TYPE_SET: |
| 800 | case DNTT_TYPE_SUBRANGE: |
| 801 | case DNTT_TYPE_ARRAY: |
| 802 | case DNTT_TYPE_STRUCT: |
| 803 | case DNTT_TYPE_UNION: |
| 804 | case DNTT_TYPE_VARIANT: |
| 805 | case DNTT_TYPE_FILE: |
| 806 | case DNTT_TYPE_FUNCTYPE: |
| 807 | case DNTT_TYPE_COBSTRUCT: |
| 808 | case DNTT_TYPE_XREF: |
| 809 | case DNTT_TYPE_MACRO: |
| 810 | default: |
| 811 | return 0; |
| 812 | } |
| 813 | } |
| 814 | |
| 815 | /* Allocate and partially fill a partial symtab. It will be |
| 816 | completely filled at the end of the symbol list. |
| 817 | |
| 818 | SYMFILE_NAME is the name of the symbol-file we are reading from, and ADDR |
| 819 | is the address relative to which its symbols are (incremental) or 0 |
| 820 | (normal). */ |
| 821 | |
| 822 | static struct partial_symtab * |
| 823 | hpread_start_psymtab (objfile, section_offsets, |
| 824 | filename, textlow, ldsymoff, global_syms, static_syms) |
| 825 | struct objfile *objfile; |
| 826 | struct section_offsets *section_offsets; |
| 827 | char *filename; |
| 828 | CORE_ADDR textlow; |
| 829 | int ldsymoff; |
| 830 | struct partial_symbol *global_syms; |
| 831 | struct partial_symbol *static_syms; |
| 832 | { |
| 833 | struct partial_symtab *result = |
| 834 | start_psymtab_common (objfile, section_offsets, |
| 835 | filename, textlow, global_syms, static_syms); |
| 836 | |
| 837 | result->read_symtab_private = (char *) |
| 838 | obstack_alloc (&objfile->psymbol_obstack, sizeof (struct symloc)); |
| 839 | LDSYMOFF (result) = ldsymoff; |
| 840 | result->read_symtab = hpread_psymtab_to_symtab; |
| 841 | |
| 842 | return result; |
| 843 | } |
| 844 | \f |
| 845 | |
| 846 | /* Close off the current usage of PST. |
| 847 | Returns PST or NULL if the partial symtab was empty and thrown away. |
| 848 | |
| 849 | FIXME: List variables and peculiarities of same. */ |
| 850 | |
| 851 | static struct partial_symtab * |
| 852 | hpread_end_psymtab (pst, include_list, num_includes, capping_symbol_offset, |
| 853 | capping_text, dependency_list, number_dependencies) |
| 854 | struct partial_symtab *pst; |
| 855 | char **include_list; |
| 856 | int num_includes; |
| 857 | int capping_symbol_offset; |
| 858 | CORE_ADDR capping_text; |
| 859 | struct partial_symtab **dependency_list; |
| 860 | int number_dependencies; |
| 861 | { |
| 862 | int i; |
| 863 | struct objfile *objfile = pst -> objfile; |
| 864 | |
| 865 | if (capping_symbol_offset != -1) |
| 866 | LDSYMLEN(pst) = capping_symbol_offset - LDSYMOFF(pst); |
| 867 | pst->texthigh = capping_text; |
| 868 | |
| 869 | pst->n_global_syms = |
| 870 | objfile->global_psymbols.next - (objfile->global_psymbols.list + pst->globals_offset); |
| 871 | pst->n_static_syms = |
| 872 | objfile->static_psymbols.next - (objfile->static_psymbols.list + pst->statics_offset); |
| 873 | |
| 874 | pst->number_of_dependencies = number_dependencies; |
| 875 | if (number_dependencies) |
| 876 | { |
| 877 | pst->dependencies = (struct partial_symtab **) |
| 878 | obstack_alloc (&objfile->psymbol_obstack, |
| 879 | number_dependencies * sizeof (struct partial_symtab *)); |
| 880 | memcpy (pst->dependencies, dependency_list, |
| 881 | number_dependencies * sizeof (struct partial_symtab *)); |
| 882 | } |
| 883 | else |
| 884 | pst->dependencies = 0; |
| 885 | |
| 886 | for (i = 0; i < num_includes; i++) |
| 887 | { |
| 888 | struct partial_symtab *subpst = |
| 889 | allocate_psymtab (include_list[i], objfile); |
| 890 | |
| 891 | subpst->section_offsets = pst->section_offsets; |
| 892 | subpst->read_symtab_private = |
| 893 | (char *) obstack_alloc (&objfile->psymbol_obstack, |
| 894 | sizeof (struct symloc)); |
| 895 | LDSYMOFF(subpst) = |
| 896 | LDSYMLEN(subpst) = |
| 897 | subpst->textlow = |
| 898 | subpst->texthigh = 0; |
| 899 | |
| 900 | /* We could save slight bits of space by only making one of these, |
| 901 | shared by the entire set of include files. FIXME-someday. */ |
| 902 | subpst->dependencies = (struct partial_symtab **) |
| 903 | obstack_alloc (&objfile->psymbol_obstack, |
| 904 | sizeof (struct partial_symtab *)); |
| 905 | subpst->dependencies[0] = pst; |
| 906 | subpst->number_of_dependencies = 1; |
| 907 | |
| 908 | subpst->globals_offset = |
| 909 | subpst->n_global_syms = |
| 910 | subpst->statics_offset = |
| 911 | subpst->n_static_syms = 0; |
| 912 | |
| 913 | subpst->readin = 0; |
| 914 | subpst->symtab = 0; |
| 915 | subpst->read_symtab = pst->read_symtab; |
| 916 | } |
| 917 | |
| 918 | sort_pst_symbols (pst); |
| 919 | |
| 920 | /* If there is already a psymtab or symtab for a file of this name, remove it. |
| 921 | (If there is a symtab, more drastic things also happen.) |
| 922 | This happens in VxWorks. */ |
| 923 | free_named_symtabs (pst->filename); |
| 924 | |
| 925 | if (num_includes == 0 |
| 926 | && number_dependencies == 0 |
| 927 | && pst->n_global_syms == 0 |
| 928 | && pst->n_static_syms == 0) |
| 929 | { |
| 930 | /* Throw away this psymtab, it's empty. We can't deallocate it, since |
| 931 | it is on the obstack, but we can forget to chain it on the list. */ |
| 932 | /* Empty psymtabs happen as a result of header files which don't have |
| 933 | any symbols in them. There can be a lot of them. But this check |
| 934 | is wrong, in that a psymtab with N_SLINE entries but nothing else |
| 935 | is not empty, but we don't realize that. Fixing that without slowing |
| 936 | things down might be tricky. */ |
| 937 | struct partial_symtab *prev_pst; |
| 938 | |
| 939 | /* First, snip it out of the psymtab chain */ |
| 940 | |
| 941 | if (pst->objfile->psymtabs == pst) |
| 942 | pst->objfile->psymtabs = pst->next; |
| 943 | else |
| 944 | for (prev_pst = pst->objfile->psymtabs; prev_pst; prev_pst = pst->next) |
| 945 | if (prev_pst->next == pst) |
| 946 | prev_pst->next = pst->next; |
| 947 | |
| 948 | /* Next, put it on a free list for recycling */ |
| 949 | |
| 950 | pst->next = pst->objfile->free_psymtabs; |
| 951 | pst->objfile->free_psymtabs = pst; |
| 952 | |
| 953 | /* Indicate that psymtab was thrown away. */ |
| 954 | pst = (struct partial_symtab *)NULL; |
| 955 | } |
| 956 | return pst; |
| 957 | } |
| 958 | \f |
| 959 | /* Do the dirty work of reading in the full symbol from a partial symbol |
| 960 | table. */ |
| 961 | |
| 962 | static void |
| 963 | hpread_psymtab_to_symtab_1 (pst) |
| 964 | struct partial_symtab *pst; |
| 965 | { |
| 966 | struct cleanup *old_chain; |
| 967 | int i; |
| 968 | |
| 969 | /* Get out quick if passed junk. */ |
| 970 | if (!pst) |
| 971 | return; |
| 972 | |
| 973 | /* Complain if we've already read in this symbol table. */ |
| 974 | if (pst->readin) |
| 975 | { |
| 976 | fprintf (stderr, "Psymtab for %s already read in. Shouldn't happen.\n", |
| 977 | pst->filename); |
| 978 | return; |
| 979 | } |
| 980 | |
| 981 | /* Read in all partial symtabs on which this one is dependent */ |
| 982 | for (i = 0; i < pst->number_of_dependencies; i++) |
| 983 | if (!pst->dependencies[i]->readin) |
| 984 | { |
| 985 | /* Inform about additional files that need to be read in. */ |
| 986 | if (info_verbose) |
| 987 | { |
| 988 | fputs_filtered (" ", stdout); |
| 989 | wrap_here (""); |
| 990 | fputs_filtered ("and ", stdout); |
| 991 | wrap_here (""); |
| 992 | printf_filtered ("%s...", pst->dependencies[i]->filename); |
| 993 | wrap_here (""); /* Flush output */ |
| 994 | fflush (stdout); |
| 995 | } |
| 996 | hpread_psymtab_to_symtab_1 (pst->dependencies[i]); |
| 997 | } |
| 998 | |
| 999 | /* If it's real... */ |
| 1000 | if (LDSYMLEN (pst)) |
| 1001 | { |
| 1002 | /* Init stuff necessary for reading in symbols */ |
| 1003 | buildsym_init (); |
| 1004 | old_chain = make_cleanup (really_free_pendings, 0); |
| 1005 | |
| 1006 | pst->symtab = |
| 1007 | hpread_expand_symtab (pst->objfile, LDSYMOFF (pst), LDSYMLEN (pst), |
| 1008 | pst->textlow, pst->texthigh - pst->textlow, |
| 1009 | pst->section_offsets, pst->filename); |
| 1010 | sort_symtab_syms (pst->symtab); |
| 1011 | |
| 1012 | do_cleanups (old_chain); |
| 1013 | } |
| 1014 | |
| 1015 | pst->readin = 1; |
| 1016 | } |
| 1017 | |
| 1018 | /* Read in all of the symbols for a given psymtab for real. |
| 1019 | Be verbose about it if the user wants that. */ |
| 1020 | |
| 1021 | static void |
| 1022 | hpread_psymtab_to_symtab (pst) |
| 1023 | struct partial_symtab *pst; |
| 1024 | { |
| 1025 | /* Get out quick if given junk. */ |
| 1026 | if (!pst) |
| 1027 | return; |
| 1028 | |
| 1029 | /* Sanity check. */ |
| 1030 | if (pst->readin) |
| 1031 | { |
| 1032 | fprintf (stderr, "Psymtab for %s already read in. Shouldn't happen.\n", |
| 1033 | pst->filename); |
| 1034 | return; |
| 1035 | } |
| 1036 | |
| 1037 | if (LDSYMLEN (pst) || pst->number_of_dependencies) |
| 1038 | { |
| 1039 | /* Print the message now, before reading the string table, |
| 1040 | to avoid disconcerting pauses. */ |
| 1041 | if (info_verbose) |
| 1042 | { |
| 1043 | printf_filtered ("Reading in symbols for %s...", pst->filename); |
| 1044 | fflush (stdout); |
| 1045 | } |
| 1046 | |
| 1047 | hpread_psymtab_to_symtab_1 (pst); |
| 1048 | |
| 1049 | /* Match with global symbols. This only needs to be done once, |
| 1050 | after all of the symtabs and dependencies have been read in. */ |
| 1051 | scan_file_globals (pst->objfile); |
| 1052 | |
| 1053 | /* Finish up the debug error message. */ |
| 1054 | if (info_verbose) |
| 1055 | printf_filtered ("done.\n"); |
| 1056 | } |
| 1057 | } |
| 1058 | /* Read in a defined section of a specific object file's symbols. |
| 1059 | |
| 1060 | DESC is the file descriptor for the file, positioned at the |
| 1061 | beginning of the symtab |
| 1062 | SYM_OFFSET is the offset within the file of |
| 1063 | the beginning of the symbols we want to read |
| 1064 | SYM_SIZE is the size of the symbol info to read in. |
| 1065 | TEXT_OFFSET is the beginning of the text segment we are reading symbols for |
| 1066 | TEXT_SIZE is the size of the text segment read in. |
| 1067 | SECTION_OFFSETS are the relocation offsets which get added to each symbol. */ |
| 1068 | |
| 1069 | static struct symtab * |
| 1070 | hpread_expand_symtab (objfile, sym_offset, sym_size, text_offset, text_size, |
| 1071 | section_offsets, filename) |
| 1072 | struct objfile *objfile; |
| 1073 | int sym_offset; |
| 1074 | int sym_size; |
| 1075 | CORE_ADDR text_offset; |
| 1076 | int text_size; |
| 1077 | struct section_offsets *section_offsets; |
| 1078 | char *filename; |
| 1079 | { |
| 1080 | char *namestring; |
| 1081 | union dnttentry *dn_bufp; |
| 1082 | unsigned max_symnum; |
| 1083 | |
| 1084 | int sym_index = sym_offset / sizeof (struct dntt_type_block); |
| 1085 | |
| 1086 | current_objfile = objfile; |
| 1087 | subfile_stack = 0; |
| 1088 | |
| 1089 | last_source_file = 0; |
| 1090 | |
| 1091 | dn_bufp = hpread_get_lntt (sym_index, objfile); |
| 1092 | if (!((dn_bufp->dblock.kind == (unsigned char) DNTT_TYPE_SRCFILE) || |
| 1093 | (dn_bufp->dblock.kind == (unsigned char) DNTT_TYPE_MODULE))) |
| 1094 | start_symtab ("globals", NULL, 0); |
| 1095 | |
| 1096 | max_symnum = sym_size / sizeof (struct dntt_type_block); |
| 1097 | |
| 1098 | /* Read in and process each debug symbol within the specified range. */ |
| 1099 | for (symnum = 0; |
| 1100 | symnum < max_symnum; |
| 1101 | symnum++) |
| 1102 | { |
| 1103 | QUIT; /* Allow this to be interruptable */ |
| 1104 | dn_bufp = hpread_get_lntt (sym_index + symnum, objfile); |
| 1105 | |
| 1106 | if (dn_bufp->dblock.extension) |
| 1107 | continue; |
| 1108 | |
| 1109 | /* Yow! We call SET_NAMESTRING on things without names! */ |
| 1110 | SET_NAMESTRING (dn_bufp, &namestring, objfile); |
| 1111 | |
| 1112 | hpread_process_one_debug_symbol (dn_bufp, namestring, section_offsets, |
| 1113 | objfile, text_offset, text_size, |
| 1114 | filename, symnum + sym_index); |
| 1115 | } |
| 1116 | |
| 1117 | current_objfile = NULL; |
| 1118 | |
| 1119 | return end_symtab (text_offset + text_size, 0, 0, objfile, 0); |
| 1120 | } |
| 1121 | \f |
| 1122 | |
| 1123 | /* Convert basic types from HP debug format into GDB internal format. */ |
| 1124 | |
| 1125 | static int |
| 1126 | hpread_type_translate (typep) |
| 1127 | dnttpointer typep; |
| 1128 | { |
| 1129 | if (!typep.dntti.immediate) |
| 1130 | abort (); |
| 1131 | |
| 1132 | switch (typep.dntti.type) |
| 1133 | { |
| 1134 | case HP_TYPE_BOOLEAN: |
| 1135 | case HP_TYPE_BOOLEAN_S300_COMPAT: |
| 1136 | case HP_TYPE_BOOLEAN_VAX_COMPAT: |
| 1137 | return FT_BOOLEAN; |
| 1138 | /* Ugh. No way to distinguish between signed and unsigned chars. */ |
| 1139 | case HP_TYPE_CHAR: |
| 1140 | case HP_TYPE_WIDE_CHAR: |
| 1141 | return FT_CHAR; |
| 1142 | case HP_TYPE_INT: |
| 1143 | if (typep.dntti.bitlength <= 8) |
| 1144 | return FT_CHAR; |
| 1145 | if (typep.dntti.bitlength <= 16) |
| 1146 | return FT_SHORT; |
| 1147 | if (typep.dntti.bitlength <= 32) |
| 1148 | return FT_INTEGER; |
| 1149 | return FT_LONG_LONG; |
| 1150 | case HP_TYPE_LONG: |
| 1151 | return FT_LONG; |
| 1152 | case HP_TYPE_UNSIGNED_LONG: |
| 1153 | if (typep.dntti.bitlength <= 8) |
| 1154 | return FT_UNSIGNED_CHAR; |
| 1155 | if (typep.dntti.bitlength <= 16) |
| 1156 | return FT_UNSIGNED_SHORT; |
| 1157 | if (typep.dntti.bitlength <= 32) |
| 1158 | return FT_UNSIGNED_LONG; |
| 1159 | return FT_UNSIGNED_LONG_LONG; |
| 1160 | case HP_TYPE_UNSIGNED_INT: |
| 1161 | if (typep.dntti.bitlength <= 8) |
| 1162 | return FT_UNSIGNED_CHAR; |
| 1163 | if (typep.dntti.bitlength <= 16) |
| 1164 | return FT_UNSIGNED_SHORT; |
| 1165 | if (typep.dntti.bitlength <= 32) |
| 1166 | return FT_UNSIGNED_INTEGER; |
| 1167 | return FT_UNSIGNED_LONG_LONG; |
| 1168 | case HP_TYPE_REAL: |
| 1169 | case HP_TYPE_REAL_3000: |
| 1170 | case HP_TYPE_DOUBLE: |
| 1171 | if (typep.dntti.bitlength == 64) |
| 1172 | return FT_DBL_PREC_FLOAT; |
| 1173 | if (typep.dntti.bitlength == 128) |
| 1174 | return FT_EXT_PREC_FLOAT; |
| 1175 | return FT_FLOAT; |
| 1176 | case HP_TYPE_COMPLEX: |
| 1177 | case HP_TYPE_COMPLEXS3000: |
| 1178 | if (typep.dntti.bitlength == 128) |
| 1179 | return FT_DBL_PREC_COMPLEX; |
| 1180 | if (typep.dntti.bitlength == 192) |
| 1181 | return FT_EXT_PREC_COMPLEX; |
| 1182 | return FT_COMPLEX; |
| 1183 | case HP_TYPE_STRING200: |
| 1184 | case HP_TYPE_LONGSTRING200: |
| 1185 | case HP_TYPE_FTN_STRING_SPEC: |
| 1186 | case HP_TYPE_MOD_STRING_SPEC: |
| 1187 | case HP_TYPE_MOD_STRING_3000: |
| 1188 | case HP_TYPE_FTN_STRING_S300_COMPAT: |
| 1189 | case HP_TYPE_FTN_STRING_VAX_COMPAT: |
| 1190 | return FT_STRING; |
| 1191 | default: |
| 1192 | abort (); |
| 1193 | } |
| 1194 | } |
| 1195 | |
| 1196 | /* Return the type associated with the index found in HP_TYPE. */ |
| 1197 | |
| 1198 | static struct type ** |
| 1199 | hpread_lookup_type (hp_type, objfile) |
| 1200 | dnttpointer hp_type; |
| 1201 | struct objfile *objfile; |
| 1202 | { |
| 1203 | unsigned old_len; |
| 1204 | int index = hp_type.dnttp.index; |
| 1205 | |
| 1206 | if (hp_type.dntti.immediate) |
| 1207 | return NULL; |
| 1208 | |
| 1209 | if (index < LNTT_SYMCOUNT (objfile)) |
| 1210 | { |
| 1211 | if (index >= TYPE_VECTOR_LENGTH (objfile)) |
| 1212 | { |
| 1213 | old_len = TYPE_VECTOR_LENGTH (objfile); |
| 1214 | if (old_len == 0) |
| 1215 | { |
| 1216 | TYPE_VECTOR_LENGTH (objfile) = 100; |
| 1217 | TYPE_VECTOR (objfile) = (struct type **) |
| 1218 | malloc (TYPE_VECTOR_LENGTH (objfile) * sizeof (struct type *)); |
| 1219 | } |
| 1220 | while (index >= TYPE_VECTOR_LENGTH (objfile)) |
| 1221 | TYPE_VECTOR_LENGTH (objfile) *= 2; |
| 1222 | TYPE_VECTOR (objfile) = (struct type **) |
| 1223 | xrealloc ((char *) TYPE_VECTOR (objfile), |
| 1224 | (TYPE_VECTOR_LENGTH (objfile) * sizeof (struct type *))); |
| 1225 | memset (&TYPE_VECTOR (objfile)[old_len], 0, |
| 1226 | (TYPE_VECTOR_LENGTH (objfile) - old_len) * |
| 1227 | sizeof (struct type *)); |
| 1228 | } |
| 1229 | return &TYPE_VECTOR (objfile)[index]; |
| 1230 | } |
| 1231 | else |
| 1232 | return NULL; |
| 1233 | } |
| 1234 | |
| 1235 | /* Possibly allocate a GDB internal type so we can internalize HP_TYPE. |
| 1236 | Note we'll just return the address of a GDB internal type if we already |
| 1237 | have it lying around. */ |
| 1238 | |
| 1239 | static struct type * |
| 1240 | hpread_alloc_type (hp_type, objfile) |
| 1241 | dnttpointer hp_type; |
| 1242 | struct objfile *objfile; |
| 1243 | { |
| 1244 | struct type **type_addr; |
| 1245 | |
| 1246 | type_addr = hpread_lookup_type (hp_type, objfile); |
| 1247 | if (*type_addr == 0) |
| 1248 | *type_addr = alloc_type (objfile); |
| 1249 | |
| 1250 | TYPE_CPLUS_SPECIFIC (*type_addr) |
| 1251 | = (struct cplus_struct_type *) &cplus_struct_default; |
| 1252 | return *type_addr; |
| 1253 | } |
| 1254 | |
| 1255 | /* Read a native enumerated type and return it in GDB internal form. */ |
| 1256 | |
| 1257 | static struct type * |
| 1258 | hpread_read_enum_type (hp_type, dn_bufp, objfile) |
| 1259 | dnttpointer hp_type; |
| 1260 | union dnttentry *dn_bufp; |
| 1261 | struct objfile *objfile; |
| 1262 | { |
| 1263 | struct type *type; |
| 1264 | struct pending **symlist, *osyms, *syms; |
| 1265 | int o_nsyms, nsyms = 0; |
| 1266 | dnttpointer mem; |
| 1267 | union dnttentry *memp; |
| 1268 | char *name; |
| 1269 | long n; |
| 1270 | struct symbol *sym; |
| 1271 | |
| 1272 | type = hpread_alloc_type (hp_type, objfile); |
| 1273 | TYPE_LENGTH (type) = 4; |
| 1274 | |
| 1275 | symlist = &file_symbols; |
| 1276 | osyms = *symlist; |
| 1277 | o_nsyms = osyms ? osyms->nsyms : 0; |
| 1278 | |
| 1279 | /* Get a name for each member and add it to our list of members. */ |
| 1280 | mem = dn_bufp->denum.firstmem; |
| 1281 | while (mem.dnttp.extension && mem.word != DNTTNIL) |
| 1282 | { |
| 1283 | memp = hpread_get_lntt (mem.dnttp.index, objfile); |
| 1284 | |
| 1285 | name = VT (objfile) + memp->dmember.name; |
| 1286 | sym = (struct symbol *) obstack_alloc (&objfile->symbol_obstack, |
| 1287 | sizeof (struct symbol)); |
| 1288 | memset (sym, 0, sizeof (struct symbol)); |
| 1289 | SYMBOL_NAME (sym) = name; |
| 1290 | SYMBOL_CLASS (sym) = LOC_CONST; |
| 1291 | SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE; |
| 1292 | SYMBOL_VALUE (sym) = memp->dmember.value; |
| 1293 | add_symbol_to_list (sym, symlist); |
| 1294 | nsyms++; |
| 1295 | mem = memp->dmember.nextmem; |
| 1296 | } |
| 1297 | |
| 1298 | /* Now that we know more about the enum, fill in more info. */ |
| 1299 | TYPE_CODE (type) = TYPE_CODE_ENUM; |
| 1300 | TYPE_FLAGS (type) &= ~TYPE_FLAG_STUB; |
| 1301 | TYPE_NFIELDS (type) = nsyms; |
| 1302 | TYPE_FIELDS (type) = (struct field *) |
| 1303 | obstack_alloc (&objfile->type_obstack, sizeof (struct field) * nsyms); |
| 1304 | |
| 1305 | /* Find the symbols for the members and put them into the type. |
| 1306 | The symbols can be found in the symlist that we put them on |
| 1307 | to cause them to be defined. osyms contains the old value |
| 1308 | of that symlist; everything up to there was defined by us. |
| 1309 | |
| 1310 | Note that we preserve the order of the enum constants, so |
| 1311 | that in something like "enum {FOO, LAST_THING=FOO}" we print |
| 1312 | FOO, not LAST_THING. */ |
| 1313 | for (syms = *symlist, n = 0; syms; syms = syms->next) |
| 1314 | { |
| 1315 | int j = 0; |
| 1316 | if (syms == osyms) |
| 1317 | j = o_nsyms; |
| 1318 | for (; j < syms->nsyms; j++, n++) |
| 1319 | { |
| 1320 | struct symbol *xsym = syms->symbol[j]; |
| 1321 | SYMBOL_TYPE (xsym) = type; |
| 1322 | TYPE_FIELD_NAME (type, n) = SYMBOL_NAME (xsym); |
| 1323 | TYPE_FIELD_VALUE (type, n) = 0; |
| 1324 | TYPE_FIELD_BITPOS (type, n) = SYMBOL_VALUE (xsym); |
| 1325 | TYPE_FIELD_BITSIZE (type, n) = 0; |
| 1326 | } |
| 1327 | if (syms == osyms) |
| 1328 | break; |
| 1329 | } |
| 1330 | |
| 1331 | return type; |
| 1332 | } |
| 1333 | |
| 1334 | /* Read and internalize a native function debug symbol. */ |
| 1335 | |
| 1336 | static struct type * |
| 1337 | hpread_read_function_type (hp_type, dn_bufp, objfile) |
| 1338 | dnttpointer hp_type; |
| 1339 | union dnttentry *dn_bufp; |
| 1340 | struct objfile *objfile; |
| 1341 | { |
| 1342 | struct type *type, *type1; |
| 1343 | struct pending **symlist, *osyms, *syms; |
| 1344 | int o_nsyms, nsyms = 0; |
| 1345 | dnttpointer param; |
| 1346 | union dnttentry *paramp; |
| 1347 | char *name; |
| 1348 | long n; |
| 1349 | struct symbol *sym; |
| 1350 | |
| 1351 | param = dn_bufp->dfunc.firstparam; |
| 1352 | |
| 1353 | /* See if we've already read in this type. */ |
| 1354 | type = hpread_alloc_type (hp_type, objfile); |
| 1355 | if (TYPE_CODE (type) == TYPE_CODE_FUNC) |
| 1356 | return type; |
| 1357 | |
| 1358 | /* Nope, so read it in and store it away. */ |
| 1359 | type1 = lookup_function_type (hpread_type_lookup (dn_bufp->dfunc.retval, |
| 1360 | objfile)); |
| 1361 | memcpy ((char *) type, (char *) type1, sizeof (struct type)); |
| 1362 | |
| 1363 | symlist = &local_symbols; |
| 1364 | osyms = *symlist; |
| 1365 | o_nsyms = osyms ? osyms->nsyms : 0; |
| 1366 | |
| 1367 | /* Now examine each parameter noting its type, location, and a |
| 1368 | wealth of other information. */ |
| 1369 | while (param.word && param.word != DNTTNIL) |
| 1370 | { |
| 1371 | paramp = hpread_get_lntt (param.dnttp.index, objfile); |
| 1372 | nsyms++; |
| 1373 | param = paramp->dfparam.nextparam; |
| 1374 | |
| 1375 | /* Get the name. */ |
| 1376 | name = VT (objfile) + paramp->dfparam.name; |
| 1377 | sym = (struct symbol *) obstack_alloc (&objfile->symbol_obstack, |
| 1378 | sizeof (struct symbol)); |
| 1379 | (void) memset (sym, 0, sizeof (struct symbol)); |
| 1380 | SYMBOL_NAME (sym) = name; |
| 1381 | |
| 1382 | /* Figure out where it lives. */ |
| 1383 | if (paramp->dfparam.regparam) |
| 1384 | SYMBOL_CLASS (sym) = LOC_REGPARM; |
| 1385 | else if (paramp->dfparam.indirect) |
| 1386 | SYMBOL_CLASS (sym) = LOC_REF_ARG; |
| 1387 | else |
| 1388 | SYMBOL_CLASS (sym) = LOC_ARG; |
| 1389 | SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE; |
| 1390 | if (paramp->dfparam.copyparam) |
| 1391 | { |
| 1392 | SYMBOL_VALUE (sym) = paramp->dfparam.location ; |
| 1393 | #ifdef HPREAD_ADJUST_STACK_ADDRESS |
| 1394 | SYMBOL_VALUE (sym) |
| 1395 | += HPREAD_ADJUST_STACK_ADDRESS (CURRENT_FUNCTION_VALUE (objfile)); |
| 1396 | #endif |
| 1397 | /* This is likely a pass-by-invisible reference parameter, |
| 1398 | Hack on the symbol class to make GDB happy. */ |
| 1399 | SYMBOL_CLASS (sym) = LOC_REGPARM_ADDR; |
| 1400 | } |
| 1401 | else |
| 1402 | SYMBOL_VALUE (sym) = paramp->dfparam.location; |
| 1403 | |
| 1404 | /* Get its type. */ |
| 1405 | SYMBOL_TYPE (sym) = hpread_type_lookup (paramp->dfparam.type, objfile); |
| 1406 | |
| 1407 | /* Add it to the list. */ |
| 1408 | add_symbol_to_list (sym, symlist); |
| 1409 | } |
| 1410 | |
| 1411 | /* Note how many parameters we found. */ |
| 1412 | TYPE_NFIELDS (type) = nsyms; |
| 1413 | TYPE_FIELDS (type) = (struct field *) |
| 1414 | obstack_alloc (&objfile->type_obstack, |
| 1415 | sizeof (struct field) * nsyms); |
| 1416 | |
| 1417 | /* Find the symbols for the values and put them into the type. |
| 1418 | The symbols can be found in the symlist that we put them on |
| 1419 | to cause them to be defined. osyms contains the old value |
| 1420 | of that symlist; everything up to there was defined by us. */ |
| 1421 | /* Note that we preserve the order of the parameters, so |
| 1422 | that in something like "enum {FOO, LAST_THING=FOO}" we print |
| 1423 | FOO, not LAST_THING. */ |
| 1424 | for (syms = *symlist, n = 0; syms; syms = syms->next) |
| 1425 | { |
| 1426 | int j = 0; |
| 1427 | if (syms == osyms) |
| 1428 | j = o_nsyms; |
| 1429 | for (; j < syms->nsyms; j++, n++) |
| 1430 | { |
| 1431 | struct symbol *xsym = syms->symbol[j]; |
| 1432 | TYPE_FIELD_NAME (type, n) = SYMBOL_NAME (xsym); |
| 1433 | TYPE_FIELD_TYPE (type, n) = SYMBOL_TYPE (xsym); |
| 1434 | TYPE_FIELD_BITPOS (type, n) = n; |
| 1435 | TYPE_FIELD_BITSIZE (type, n) = 0; |
| 1436 | } |
| 1437 | if (syms == osyms) |
| 1438 | break; |
| 1439 | } |
| 1440 | return type; |
| 1441 | } |
| 1442 | |
| 1443 | /* Read in and internalize a structure definition. */ |
| 1444 | |
| 1445 | static struct type * |
| 1446 | hpread_read_struct_type (hp_type, dn_bufp, objfile) |
| 1447 | dnttpointer hp_type; |
| 1448 | union dnttentry *dn_bufp; |
| 1449 | struct objfile *objfile; |
| 1450 | { |
| 1451 | struct nextfield |
| 1452 | { |
| 1453 | struct nextfield *next; |
| 1454 | struct field field; |
| 1455 | }; |
| 1456 | |
| 1457 | struct type *type; |
| 1458 | struct nextfield *list = 0; |
| 1459 | struct nextfield *new; |
| 1460 | int n, nfields = 0; |
| 1461 | dnttpointer field; |
| 1462 | union dnttentry *fieldp; |
| 1463 | |
| 1464 | /* Is it something we've already dealt with? */ |
| 1465 | type = hpread_alloc_type (hp_type, objfile); |
| 1466 | if ((TYPE_CODE (type) == TYPE_CODE_STRUCT) || |
| 1467 | (TYPE_CODE (type) == TYPE_CODE_UNION)) |
| 1468 | return type; |
| 1469 | |
| 1470 | /* Get the basic type correct. */ |
| 1471 | if (dn_bufp->dblock.kind == DNTT_TYPE_STRUCT) |
| 1472 | { |
| 1473 | TYPE_CODE (type) = TYPE_CODE_STRUCT; |
| 1474 | TYPE_LENGTH (type) = dn_bufp->dstruct.bitlength / 8; |
| 1475 | } |
| 1476 | else if (dn_bufp->dblock.kind == DNTT_TYPE_UNION) |
| 1477 | { |
| 1478 | TYPE_CODE (type) = TYPE_CODE_UNION; |
| 1479 | TYPE_LENGTH (type) = dn_bufp->dunion.bitlength / 8; |
| 1480 | } |
| 1481 | else |
| 1482 | return type; |
| 1483 | |
| 1484 | |
| 1485 | TYPE_FLAGS (type) &= ~TYPE_FLAG_STUB; |
| 1486 | |
| 1487 | /* Read in and internalize all the fields. */ |
| 1488 | field = dn_bufp->dstruct.firstfield; |
| 1489 | while (field.word != DNTTNIL && field.dnttp.extension) |
| 1490 | { |
| 1491 | fieldp = hpread_get_lntt (field.dnttp.index, objfile); |
| 1492 | |
| 1493 | /* Get space to record the next field's data. */ |
| 1494 | new = (struct nextfield *) alloca (sizeof (struct nextfield)); |
| 1495 | new->next = list; |
| 1496 | list = new; |
| 1497 | |
| 1498 | list->field.name = VT (objfile) + fieldp->dfield.name; |
| 1499 | list->field.bitpos = fieldp->dfield.bitoffset; |
| 1500 | if (fieldp->dfield.bitlength % 8) |
| 1501 | list->field.bitsize = fieldp->dfield.bitlength; |
| 1502 | else |
| 1503 | list->field.bitsize = 0; |
| 1504 | nfields++; |
| 1505 | field = fieldp->dfield.nextfield; |
| 1506 | list->field.type = hpread_type_lookup (fieldp->dfield.type, objfile); |
| 1507 | } |
| 1508 | |
| 1509 | TYPE_NFIELDS (type) = nfields; |
| 1510 | TYPE_FIELDS (type) = (struct field *) |
| 1511 | obstack_alloc (&objfile->type_obstack, sizeof (struct field) * nfields); |
| 1512 | |
| 1513 | /* Copy the saved-up fields into the field vector. */ |
| 1514 | for (n = nfields; list; list = list->next) |
| 1515 | { |
| 1516 | n -= 1; |
| 1517 | TYPE_FIELD (type, n) = list->field; |
| 1518 | } |
| 1519 | return type; |
| 1520 | } |
| 1521 | |
| 1522 | /* Read in and internalize a set debug symbol. */ |
| 1523 | |
| 1524 | static struct type * |
| 1525 | hpread_read_set_type (hp_type, dn_bufp, objfile) |
| 1526 | dnttpointer hp_type; |
| 1527 | union dnttentry *dn_bufp; |
| 1528 | struct objfile *objfile; |
| 1529 | { |
| 1530 | struct type *type; |
| 1531 | |
| 1532 | /* See if it's something we've already deal with. */ |
| 1533 | type = hpread_alloc_type (hp_type, objfile); |
| 1534 | if (TYPE_CODE (type) == TYPE_CODE_SET) |
| 1535 | return type; |
| 1536 | |
| 1537 | /* Nope. Fill in the appropriate fields. */ |
| 1538 | TYPE_CODE (type) = TYPE_CODE_SET; |
| 1539 | TYPE_LENGTH (type) = dn_bufp->dset.bitlength / 8; |
| 1540 | TYPE_NFIELDS (type) = 0; |
| 1541 | TYPE_TARGET_TYPE (type) = hpread_type_lookup (dn_bufp->dset.subtype, |
| 1542 | objfile); |
| 1543 | return type; |
| 1544 | } |
| 1545 | |
| 1546 | /* Read in and internalize an array debug symbol. */ |
| 1547 | |
| 1548 | static struct type * |
| 1549 | hpread_read_array_type (hp_type, dn_bufp, objfile) |
| 1550 | dnttpointer hp_type; |
| 1551 | union dnttentry *dn_bufp; |
| 1552 | struct objfile *objfile; |
| 1553 | { |
| 1554 | struct type *type; |
| 1555 | union dnttentry save; |
| 1556 | save = *dn_bufp; |
| 1557 | |
| 1558 | /* Why no check here? Because it kept us from properly determining |
| 1559 | the size of the array! */ |
| 1560 | type = hpread_alloc_type (hp_type, objfile); |
| 1561 | |
| 1562 | TYPE_CODE (type) = TYPE_CODE_ARRAY; |
| 1563 | |
| 1564 | /* values are not normalized. */ |
| 1565 | if (!((dn_bufp->darray.arrayisbytes && dn_bufp->darray.elemisbytes) |
| 1566 | || (!dn_bufp->darray.arrayisbytes && !dn_bufp->darray.elemisbytes))) |
| 1567 | abort (); |
| 1568 | else if (dn_bufp->darray.arraylength == 0x7fffffff) |
| 1569 | { |
| 1570 | /* The HP debug format represents char foo[]; as an array with |
| 1571 | length 0x7fffffff. Internally GDB wants to represent this |
| 1572 | as an array of length zero. */ |
| 1573 | TYPE_LENGTH (type) = 0; |
| 1574 | } |
| 1575 | else |
| 1576 | TYPE_LENGTH (type) = dn_bufp->darray.arraylength / 8; |
| 1577 | |
| 1578 | TYPE_NFIELDS (type) = 1; |
| 1579 | TYPE_TARGET_TYPE (type) = hpread_type_lookup (dn_bufp->darray.elemtype, |
| 1580 | objfile); |
| 1581 | dn_bufp = &save; |
| 1582 | TYPE_FIELDS (type) = (struct field *) |
| 1583 | obstack_alloc (&objfile->type_obstack, sizeof (struct field)); |
| 1584 | TYPE_FIELD_TYPE (type, 0) = hpread_type_lookup (dn_bufp->darray.indextype, |
| 1585 | objfile); |
| 1586 | return type; |
| 1587 | } |
| 1588 | |
| 1589 | /* Read in and internalize a subrange debug symbol. */ |
| 1590 | static struct type * |
| 1591 | hpread_read_subrange_type (hp_type, dn_bufp, objfile) |
| 1592 | dnttpointer hp_type; |
| 1593 | union dnttentry *dn_bufp; |
| 1594 | struct objfile *objfile; |
| 1595 | { |
| 1596 | struct type *type; |
| 1597 | |
| 1598 | /* Is it something we've already dealt with. */ |
| 1599 | type = hpread_alloc_type (hp_type, objfile); |
| 1600 | if (TYPE_CODE (type) == TYPE_CODE_RANGE) |
| 1601 | return type; |
| 1602 | |
| 1603 | /* Nope, internalize it. */ |
| 1604 | TYPE_CODE (type) = TYPE_CODE_RANGE; |
| 1605 | TYPE_LENGTH (type) = dn_bufp->dsubr.bitlength / 8; |
| 1606 | TYPE_NFIELDS (type) = 2; |
| 1607 | TYPE_FIELDS (type) |
| 1608 | = (struct field *) obstack_alloc (&objfile->type_obstack, |
| 1609 | 2 * sizeof (struct field)); |
| 1610 | |
| 1611 | if (dn_bufp->dsubr.dyn_low) |
| 1612 | TYPE_FIELD_BITPOS (type, 0) = 0; |
| 1613 | else |
| 1614 | TYPE_FIELD_BITPOS (type, 0) = dn_bufp->dsubr.lowbound; |
| 1615 | |
| 1616 | if (dn_bufp->dsubr.dyn_high) |
| 1617 | TYPE_FIELD_BITPOS (type, 1) = -1; |
| 1618 | else |
| 1619 | TYPE_FIELD_BITPOS (type, 1) = dn_bufp->dsubr.highbound; |
| 1620 | TYPE_TARGET_TYPE (type) = hpread_type_lookup (dn_bufp->dsubr.subtype, |
| 1621 | objfile); |
| 1622 | return type; |
| 1623 | } |
| 1624 | |
| 1625 | static struct type * |
| 1626 | hpread_type_lookup (hp_type, objfile) |
| 1627 | dnttpointer hp_type; |
| 1628 | struct objfile *objfile; |
| 1629 | { |
| 1630 | union dnttentry *dn_bufp; |
| 1631 | |
| 1632 | /* First see if it's a simple builtin type. */ |
| 1633 | if (hp_type.dntti.immediate) |
| 1634 | return lookup_fundamental_type (objfile, hpread_type_translate (hp_type)); |
| 1635 | |
| 1636 | /* Not a builtin type. We'll have to read it in. */ |
| 1637 | if (hp_type.dnttp.index < LNTT_SYMCOUNT (objfile)) |
| 1638 | dn_bufp = hpread_get_lntt (hp_type.dnttp.index, objfile); |
| 1639 | else |
| 1640 | return lookup_fundamental_type (objfile, FT_VOID); |
| 1641 | |
| 1642 | switch (dn_bufp->dblock.kind) |
| 1643 | { |
| 1644 | case DNTT_TYPE_SRCFILE: |
| 1645 | case DNTT_TYPE_MODULE: |
| 1646 | case DNTT_TYPE_FUNCTION: |
| 1647 | case DNTT_TYPE_ENTRY: |
| 1648 | case DNTT_TYPE_BEGIN: |
| 1649 | case DNTT_TYPE_END: |
| 1650 | case DNTT_TYPE_IMPORT: |
| 1651 | case DNTT_TYPE_LABEL: |
| 1652 | case DNTT_TYPE_WITH: |
| 1653 | case DNTT_TYPE_COMMON: |
| 1654 | case DNTT_TYPE_FPARAM: |
| 1655 | case DNTT_TYPE_SVAR: |
| 1656 | case DNTT_TYPE_DVAR: |
| 1657 | case DNTT_TYPE_CONST: |
| 1658 | /* Opps. Something went very wrong. */ |
| 1659 | return lookup_fundamental_type (objfile, FT_VOID); |
| 1660 | |
| 1661 | case DNTT_TYPE_TYPEDEF: |
| 1662 | { |
| 1663 | struct type *structtype = hpread_type_lookup (dn_bufp->dtype.type, |
| 1664 | objfile); |
| 1665 | char *suffix; |
| 1666 | suffix = VT (objfile) + dn_bufp->dtype.name; |
| 1667 | |
| 1668 | TYPE_CPLUS_SPECIFIC (structtype) |
| 1669 | = (struct cplus_struct_type *) &cplus_struct_default; |
| 1670 | TYPE_NAME (structtype) = suffix; |
| 1671 | return structtype; |
| 1672 | } |
| 1673 | |
| 1674 | case DNTT_TYPE_TAGDEF: |
| 1675 | { |
| 1676 | /* Just a little different from above. We have to tack on |
| 1677 | an identifier of some kind (struct, union, enum, etc). */ |
| 1678 | struct type *structtype = hpread_type_lookup (dn_bufp->dtype.type, |
| 1679 | objfile); |
| 1680 | char *prefix, *suffix; |
| 1681 | suffix = VT (objfile) + dn_bufp->dtype.name; |
| 1682 | |
| 1683 | /* Lookup the next type in the list. It should be a structure, |
| 1684 | union, or enum type. We will need to attach that to our name. */ |
| 1685 | if (dn_bufp->dtype.type.dnttp.index < LNTT_SYMCOUNT (objfile)) |
| 1686 | dn_bufp = hpread_get_lntt (dn_bufp->dtype.type.dnttp.index, objfile); |
| 1687 | else |
| 1688 | abort (); |
| 1689 | |
| 1690 | if (dn_bufp->dblock.kind == DNTT_TYPE_STRUCT) |
| 1691 | prefix = "struct "; |
| 1692 | else if (dn_bufp->dblock.kind == DNTT_TYPE_UNION) |
| 1693 | prefix = "union "; |
| 1694 | else |
| 1695 | prefix = "enum "; |
| 1696 | |
| 1697 | /* Build the correct name. */ |
| 1698 | structtype->name |
| 1699 | = (char *) obstack_alloc (&objfile->type_obstack, |
| 1700 | strlen (prefix) + strlen (suffix) + 1); |
| 1701 | TYPE_NAME (structtype) = strcpy (TYPE_NAME (structtype), prefix); |
| 1702 | TYPE_NAME (structtype) = strcat (TYPE_NAME (structtype), suffix); |
| 1703 | TYPE_TAG_NAME (structtype) = suffix; |
| 1704 | |
| 1705 | TYPE_CPLUS_SPECIFIC (structtype) |
| 1706 | = (struct cplus_struct_type *) &cplus_struct_default; |
| 1707 | |
| 1708 | return structtype; |
| 1709 | } |
| 1710 | case DNTT_TYPE_POINTER: |
| 1711 | return lookup_pointer_type (hpread_type_lookup (dn_bufp->dptr.pointsto, |
| 1712 | objfile)); |
| 1713 | case DNTT_TYPE_ENUM: |
| 1714 | return hpread_read_enum_type (hp_type, dn_bufp, objfile); |
| 1715 | case DNTT_TYPE_MEMENUM: |
| 1716 | return lookup_fundamental_type (objfile, FT_VOID); |
| 1717 | case DNTT_TYPE_SET: |
| 1718 | return hpread_read_set_type (hp_type, dn_bufp, objfile); |
| 1719 | case DNTT_TYPE_SUBRANGE: |
| 1720 | return hpread_read_subrange_type (hp_type, dn_bufp, objfile); |
| 1721 | case DNTT_TYPE_ARRAY: |
| 1722 | return hpread_read_array_type (hp_type, dn_bufp, objfile); |
| 1723 | case DNTT_TYPE_STRUCT: |
| 1724 | case DNTT_TYPE_UNION: |
| 1725 | return hpread_read_struct_type (hp_type, dn_bufp, objfile); |
| 1726 | case DNTT_TYPE_FIELD: |
| 1727 | return hpread_type_lookup (dn_bufp->dfield.type, objfile); |
| 1728 | case DNTT_TYPE_VARIANT: |
| 1729 | case DNTT_TYPE_FILE: |
| 1730 | return lookup_fundamental_type (objfile, FT_VOID); |
| 1731 | case DNTT_TYPE_FUNCTYPE: |
| 1732 | return lookup_function_type (hpread_type_lookup (dn_bufp->dfunctype.retval, |
| 1733 | objfile)); |
| 1734 | case DNTT_TYPE_COBSTRUCT: |
| 1735 | case DNTT_TYPE_XREF: |
| 1736 | case DNTT_TYPE_SA: |
| 1737 | case DNTT_TYPE_MACRO: |
| 1738 | default: |
| 1739 | return lookup_fundamental_type (objfile, FT_VOID); |
| 1740 | } |
| 1741 | } |
| 1742 | |
| 1743 | static sltpointer |
| 1744 | hpread_record_lines (subfile, s_idx, e_idx, objfile, offset) |
| 1745 | struct subfile *subfile; |
| 1746 | sltpointer s_idx, e_idx; |
| 1747 | struct objfile *objfile; |
| 1748 | CORE_ADDR offset; |
| 1749 | { |
| 1750 | union sltentry *sl_bufp; |
| 1751 | |
| 1752 | while (s_idx <= e_idx) |
| 1753 | { |
| 1754 | sl_bufp = hpread_get_slt (s_idx, objfile); |
| 1755 | /* Only record "normal" entries in the SLT. */ |
| 1756 | if (sl_bufp->snorm.sltdesc == SLT_NORMAL |
| 1757 | || sl_bufp->snorm.sltdesc == SLT_EXIT) |
| 1758 | record_line (subfile, sl_bufp->snorm.line, |
| 1759 | sl_bufp->snorm.address + offset); |
| 1760 | s_idx++; |
| 1761 | } |
| 1762 | return e_idx; |
| 1763 | } |
| 1764 | |
| 1765 | /* Internalize one native debug symbol. */ |
| 1766 | |
| 1767 | static void |
| 1768 | hpread_process_one_debug_symbol (dn_bufp, name, section_offsets, objfile, |
| 1769 | text_offset, text_size, filename, index) |
| 1770 | union dnttentry *dn_bufp; |
| 1771 | char *name; |
| 1772 | struct section_offsets *section_offsets; |
| 1773 | struct objfile *objfile; |
| 1774 | CORE_ADDR text_offset; |
| 1775 | int text_size; |
| 1776 | char *filename; |
| 1777 | int index; |
| 1778 | { |
| 1779 | unsigned long desc; |
| 1780 | int type; |
| 1781 | CORE_ADDR valu; |
| 1782 | int offset = ANOFFSET (section_offsets, SECT_OFF_TEXT); |
| 1783 | union dnttentry *dn_temp; |
| 1784 | dnttpointer hp_type; |
| 1785 | struct symbol *sym; |
| 1786 | struct context_stack *new; |
| 1787 | |
| 1788 | /* Allocate one GDB debug symbol and fill in some default values. */ |
| 1789 | sym = (struct symbol *) obstack_alloc (&objfile->symbol_obstack, |
| 1790 | sizeof (struct symbol)); |
| 1791 | memset (sym, 0, sizeof (struct symbol)); |
| 1792 | SYMBOL_NAME (sym) = name; |
| 1793 | SYMBOL_LANGUAGE (sym) = language_auto; |
| 1794 | SYMBOL_INIT_DEMANGLED_NAME (sym, &objfile->symbol_obstack); |
| 1795 | SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE; |
| 1796 | SYMBOL_LINE (sym) = 0; |
| 1797 | SYMBOL_VALUE (sym) = 0; |
| 1798 | SYMBOL_CLASS (sym) = LOC_TYPEDEF; |
| 1799 | |
| 1800 | hp_type.dnttp.extension = 1; |
| 1801 | hp_type.dnttp.immediate = 0; |
| 1802 | hp_type.dnttp.global = 0; |
| 1803 | hp_type.dnttp.index = index; |
| 1804 | |
| 1805 | type = dn_bufp->dblock.kind; |
| 1806 | |
| 1807 | switch (type) |
| 1808 | { |
| 1809 | case DNTT_TYPE_SRCFILE: |
| 1810 | /* This type of symbol indicates from which source file or include file |
| 1811 | the following data comes. If there are no modules it also may |
| 1812 | indicate the start of a new source file, in which case we must |
| 1813 | finish the symbol table of the previous source file |
| 1814 | (if any) and start accumulating a new symbol table. */ |
| 1815 | |
| 1816 | valu = text_offset; |
| 1817 | if (!last_source_file) |
| 1818 | { |
| 1819 | start_symtab (name, NULL, valu); |
| 1820 | SL_INDEX (objfile) = dn_bufp->dsfile.address; |
| 1821 | } |
| 1822 | else |
| 1823 | { |
| 1824 | SL_INDEX (objfile) = hpread_record_lines (current_subfile, |
| 1825 | SL_INDEX (objfile), |
| 1826 | dn_bufp->dsfile.address, |
| 1827 | objfile, offset); |
| 1828 | } |
| 1829 | start_subfile (name, NULL); |
| 1830 | break; |
| 1831 | |
| 1832 | case DNTT_TYPE_MODULE: |
| 1833 | /* No need to do anything with these DNTT_TYPE_MODULE symbols anymore. */ |
| 1834 | break; |
| 1835 | |
| 1836 | case DNTT_TYPE_FUNCTION: |
| 1837 | case DNTT_TYPE_ENTRY: |
| 1838 | /* A function or secondary entry point. */ |
| 1839 | valu = dn_bufp->dfunc.lowaddr + offset; |
| 1840 | SL_INDEX (objfile) = hpread_record_lines (current_subfile, |
| 1841 | SL_INDEX (objfile), |
| 1842 | dn_bufp->dfunc.address, |
| 1843 | objfile, offset); |
| 1844 | |
| 1845 | WITHIN_FUNCTION (objfile) = 1; |
| 1846 | CURRENT_FUNCTION_VALUE (objfile) = valu; |
| 1847 | |
| 1848 | /* Stack must be empty now. */ |
| 1849 | if (context_stack_depth != 0) |
| 1850 | complain (&lbrac_unmatched_complaint, (char *) symnum); |
| 1851 | new = push_context (0, valu); |
| 1852 | |
| 1853 | SYMBOL_CLASS (sym) = LOC_BLOCK; |
| 1854 | SYMBOL_TYPE (sym) = hpread_read_function_type (hp_type, dn_bufp, objfile); |
| 1855 | if (dn_bufp->dfunc.global) |
| 1856 | add_symbol_to_list (sym, &global_symbols); |
| 1857 | else |
| 1858 | add_symbol_to_list (sym, &file_symbols); |
| 1859 | new->name = sym; |
| 1860 | |
| 1861 | /* Search forward to the next scope beginning. */ |
| 1862 | while (dn_bufp->dblock.kind != DNTT_TYPE_BEGIN) |
| 1863 | { |
| 1864 | dn_bufp = hpread_get_lntt (++index, objfile); |
| 1865 | if (dn_bufp->dblock.extension) |
| 1866 | continue; |
| 1867 | } |
| 1868 | SL_INDEX (objfile) = hpread_record_lines (current_subfile, |
| 1869 | SL_INDEX (objfile), |
| 1870 | dn_bufp->dbegin.address, |
| 1871 | objfile, offset); |
| 1872 | SYMBOL_LINE (sym) = hpread_get_line (dn_bufp->dbegin.address, objfile); |
| 1873 | record_line (current_subfile, SYMBOL_LINE (sym), valu); |
| 1874 | break; |
| 1875 | |
| 1876 | case DNTT_TYPE_BEGIN: |
| 1877 | /* Begin a new scope. */ |
| 1878 | SL_INDEX (objfile) = hpread_record_lines (current_subfile, |
| 1879 | SL_INDEX (objfile), |
| 1880 | dn_bufp->dbegin.address, |
| 1881 | objfile, offset); |
| 1882 | valu = hpread_get_location (dn_bufp->dbegin.address, objfile); |
| 1883 | valu += offset; /* Relocate for dynamic loading */ |
| 1884 | desc = hpread_get_depth (dn_bufp->dbegin.address, objfile); |
| 1885 | new = push_context (desc, valu); |
| 1886 | break; |
| 1887 | |
| 1888 | case DNTT_TYPE_END: |
| 1889 | /* End a scope. */ |
| 1890 | SL_INDEX (objfile) = hpread_record_lines (current_subfile, |
| 1891 | SL_INDEX (objfile), |
| 1892 | dn_bufp->dend.address + 1, |
| 1893 | objfile, offset); |
| 1894 | switch (dn_bufp->dend.endkind) |
| 1895 | { |
| 1896 | case DNTT_TYPE_MODULE: |
| 1897 | /* Ending a module ends the symbol table for that module. */ |
| 1898 | valu = text_offset + text_size + offset; |
| 1899 | (void) end_symtab (valu, 0, 0, objfile, 0); |
| 1900 | break; |
| 1901 | |
| 1902 | case DNTT_TYPE_FUNCTION: |
| 1903 | /* Ending a function, well, ends the function's scope. */ |
| 1904 | dn_temp = hpread_get_lntt (dn_bufp->dend.beginscope.dnttp.index, |
| 1905 | objfile); |
| 1906 | valu = dn_temp->dfunc.hiaddr + offset; |
| 1907 | new = pop_context (); |
| 1908 | /* Make a block for the local symbols within. */ |
| 1909 | finish_block (new->name, &local_symbols, new->old_blocks, |
| 1910 | new->start_addr, valu, objfile); |
| 1911 | WITHIN_FUNCTION (objfile) = 0; |
| 1912 | break; |
| 1913 | case DNTT_TYPE_BEGIN: |
| 1914 | /* Just ending a local scope. */ |
| 1915 | valu = hpread_get_location (dn_bufp->dend.address, objfile); |
| 1916 | /* Why in the hell is this needed? */ |
| 1917 | valu += offset + 9; /* Relocate for dynamic loading */ |
| 1918 | new = pop_context (); |
| 1919 | desc = dn_bufp->dend.beginscope.dnttp.index; |
| 1920 | if (desc != new->depth) |
| 1921 | complain (&lbrac_mismatch_complaint, (char *) symnum); |
| 1922 | /* Make a block for the local symbols within. */ |
| 1923 | finish_block (new->name, &local_symbols, new->old_blocks, |
| 1924 | new->start_addr, valu, objfile); |
| 1925 | local_symbols = new->locals; |
| 1926 | break; |
| 1927 | } |
| 1928 | break; |
| 1929 | case DNTT_TYPE_LABEL: |
| 1930 | SYMBOL_NAMESPACE (sym) = LABEL_NAMESPACE; |
| 1931 | break; |
| 1932 | case DNTT_TYPE_FPARAM: |
| 1933 | /* Function parameters. */ |
| 1934 | if (dn_bufp->dfparam.regparam) |
| 1935 | SYMBOL_CLASS (sym) = LOC_REGISTER; |
| 1936 | else |
| 1937 | SYMBOL_CLASS (sym) = LOC_LOCAL; |
| 1938 | if (dn_bufp->dfparam.copyparam) |
| 1939 | { |
| 1940 | SYMBOL_VALUE (sym) = dn_bufp->dfparam.location; |
| 1941 | #ifdef HPREAD_ADJUST_STACK_ADDRESS |
| 1942 | SYMBOL_VALUE (sym) |
| 1943 | += HPREAD_ADJUST_STACK_ADDRESS (CURRENT_FUNCTION_VALUE (objfile)); |
| 1944 | #endif |
| 1945 | } |
| 1946 | else |
| 1947 | SYMBOL_VALUE (sym) = dn_bufp->dfparam.location; |
| 1948 | SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dfparam.type, objfile); |
| 1949 | add_symbol_to_list (sym, &local_symbols); |
| 1950 | break; |
| 1951 | case DNTT_TYPE_SVAR: |
| 1952 | /* Static variables. */ |
| 1953 | SYMBOL_CLASS (sym) = LOC_STATIC; |
| 1954 | SYMBOL_VALUE_ADDRESS (sym) = dn_bufp->dsvar.location; |
| 1955 | SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dsvar.type, objfile); |
| 1956 | if (dn_bufp->dsvar.global) |
| 1957 | add_symbol_to_list (sym, &global_symbols); |
| 1958 | else if (WITHIN_FUNCTION (objfile)) |
| 1959 | add_symbol_to_list (sym, &local_symbols); |
| 1960 | else |
| 1961 | add_symbol_to_list (sym, &file_symbols); |
| 1962 | break; |
| 1963 | case DNTT_TYPE_DVAR: |
| 1964 | /* Dynamic variables. */ |
| 1965 | if (dn_bufp->ddvar.regvar) |
| 1966 | SYMBOL_CLASS (sym) = LOC_REGISTER; |
| 1967 | else |
| 1968 | SYMBOL_CLASS (sym) = LOC_LOCAL; |
| 1969 | SYMBOL_VALUE (sym) = dn_bufp->ddvar.location; |
| 1970 | #ifdef HPREAD_ADJUST_STACK_ADDRESS |
| 1971 | SYMBOL_VALUE (sym) |
| 1972 | += HPREAD_ADJUST_STACK_ADDRESS (CURRENT_FUNCTION_VALUE (objfile)); |
| 1973 | #endif |
| 1974 | SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->ddvar.type, objfile); |
| 1975 | if (dn_bufp->ddvar.global) |
| 1976 | add_symbol_to_list (sym, &global_symbols); |
| 1977 | else if (WITHIN_FUNCTION (objfile)) |
| 1978 | add_symbol_to_list (sym, &local_symbols); |
| 1979 | else |
| 1980 | add_symbol_to_list (sym, &file_symbols); |
| 1981 | break; |
| 1982 | case DNTT_TYPE_CONST: |
| 1983 | /* A constant (pascal?). */ |
| 1984 | SYMBOL_CLASS (sym) = LOC_CONST; |
| 1985 | SYMBOL_VALUE (sym) = dn_bufp->dconst.location; |
| 1986 | SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dconst.type, objfile); |
| 1987 | if (dn_bufp->dconst.global) |
| 1988 | add_symbol_to_list (sym, &global_symbols); |
| 1989 | else if (WITHIN_FUNCTION (objfile)) |
| 1990 | add_symbol_to_list (sym, &local_symbols); |
| 1991 | else |
| 1992 | add_symbol_to_list (sym, &file_symbols); |
| 1993 | break; |
| 1994 | case DNTT_TYPE_TYPEDEF: |
| 1995 | SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE; |
| 1996 | SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dtype.type, objfile); |
| 1997 | if (dn_bufp->dtype.global) |
| 1998 | add_symbol_to_list (sym, &global_symbols); |
| 1999 | else if (WITHIN_FUNCTION (objfile)) |
| 2000 | add_symbol_to_list (sym, &local_symbols); |
| 2001 | else |
| 2002 | add_symbol_to_list (sym, &file_symbols); |
| 2003 | break; |
| 2004 | case DNTT_TYPE_TAGDEF: |
| 2005 | SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE; |
| 2006 | SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dtype.type, objfile); |
| 2007 | TYPE_NAME (sym->type) = SYMBOL_NAME (sym); |
| 2008 | TYPE_TAG_NAME (sym->type) = SYMBOL_NAME (sym); |
| 2009 | if (dn_bufp->dtype.global) |
| 2010 | add_symbol_to_list (sym, &global_symbols); |
| 2011 | else if (WITHIN_FUNCTION (objfile)) |
| 2012 | add_symbol_to_list (sym, &local_symbols); |
| 2013 | else |
| 2014 | add_symbol_to_list (sym, &file_symbols); |
| 2015 | break; |
| 2016 | case DNTT_TYPE_POINTER: |
| 2017 | SYMBOL_TYPE (sym) = lookup_pointer_type (hpread_type_lookup |
| 2018 | (dn_bufp->dptr.pointsto, |
| 2019 | objfile)); |
| 2020 | add_symbol_to_list (sym, &file_symbols); |
| 2021 | break; |
| 2022 | case DNTT_TYPE_ENUM: |
| 2023 | SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE; |
| 2024 | SYMBOL_TYPE (sym) = hpread_read_enum_type (hp_type, dn_bufp, objfile); |
| 2025 | add_symbol_to_list (sym, &file_symbols); |
| 2026 | break; |
| 2027 | case DNTT_TYPE_MEMENUM: |
| 2028 | break; |
| 2029 | case DNTT_TYPE_SET: |
| 2030 | SYMBOL_TYPE (sym) = hpread_read_set_type (hp_type, dn_bufp, objfile); |
| 2031 | add_symbol_to_list (sym, &file_symbols); |
| 2032 | break; |
| 2033 | case DNTT_TYPE_SUBRANGE: |
| 2034 | SYMBOL_TYPE (sym) = hpread_read_subrange_type (hp_type, dn_bufp, |
| 2035 | objfile); |
| 2036 | add_symbol_to_list (sym, &file_symbols); |
| 2037 | break; |
| 2038 | case DNTT_TYPE_ARRAY: |
| 2039 | SYMBOL_TYPE (sym) = hpread_read_array_type (hp_type, dn_bufp, objfile); |
| 2040 | add_symbol_to_list (sym, &file_symbols); |
| 2041 | break; |
| 2042 | case DNTT_TYPE_STRUCT: |
| 2043 | case DNTT_TYPE_UNION: |
| 2044 | SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE; |
| 2045 | SYMBOL_TYPE (sym) = hpread_read_struct_type (hp_type, dn_bufp, objfile); |
| 2046 | add_symbol_to_list (sym, &file_symbols); |
| 2047 | break; |
| 2048 | default: |
| 2049 | break; |
| 2050 | } |
| 2051 | } |