Commit | Line | Data |
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c906108c SS |
1 | /* Read apollo DST symbol tables and convert to internal format, for GDB. |
2 | Contributed by Troy Rollo, University of NSW (troy@cbme.unsw.edu.au). | |
3 | Copyright 1993 Free Software Foundation, Inc. | |
4 | ||
c5aa993b JM |
5 | This file is part of GDB. |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
21 | \f |
22 | #include "defs.h" | |
23 | #include "symtab.h" | |
24 | #include "gdbtypes.h" | |
25 | #include "breakpoint.h" | |
26 | #include "bfd.h" | |
27 | #include "symfile.h" | |
28 | #include "objfiles.h" | |
29 | #include "buildsym.h" | |
30 | #include "obstack.h" | |
31 | ||
32 | #include "gdb_string.h" | |
33 | ||
34 | #include "dst.h" | |
35 | ||
36 | CORE_ADDR cur_src_start_addr, cur_src_end_addr; | |
c5aa993b | 37 | dst_sec blocks_info, lines_info, symbols_info; |
c906108c SS |
38 | |
39 | /* Vector of line number information. */ | |
40 | ||
41 | static struct linetable *line_vector; | |
42 | ||
43 | /* Index of next entry to go in line_vector_index. */ | |
44 | ||
45 | static int line_vector_index; | |
46 | ||
47 | /* Last line number recorded in the line vector. */ | |
48 | ||
49 | static int prev_line_number; | |
50 | ||
51 | /* Number of elements allocated for line_vector currently. */ | |
52 | ||
53 | static int line_vector_length; | |
54 | ||
55 | static int | |
56 | init_dst_sections PARAMS ((int)); | |
57 | ||
58 | static void | |
59 | read_dst_symtab PARAMS ((struct objfile *)); | |
60 | ||
61 | static void | |
62 | find_dst_sections PARAMS ((bfd *, sec_ptr, PTR)); | |
63 | ||
64 | static void | |
65 | dst_symfile_init PARAMS ((struct objfile *)); | |
66 | ||
67 | static void | |
68 | dst_new_init PARAMS ((struct objfile *)); | |
69 | ||
70 | static void | |
71 | dst_symfile_read PARAMS ((struct objfile *, struct section_offsets *, int)); | |
72 | ||
73 | static void | |
74 | dst_symfile_finish PARAMS ((struct objfile *)); | |
75 | ||
76 | static void | |
77 | dst_end_symtab PARAMS ((struct objfile *)); | |
78 | ||
79 | static void | |
80 | complete_symtab PARAMS ((char *, CORE_ADDR, unsigned int)); | |
81 | ||
82 | static void | |
83 | dst_start_symtab PARAMS ((void)); | |
84 | ||
85 | static void | |
86 | dst_record_line PARAMS ((int, CORE_ADDR)); | |
87 | ||
88 | /* Manage the vector of line numbers. */ | |
89 | /* FIXME: Use record_line instead. */ | |
90 | ||
91 | static void | |
92 | dst_record_line (line, pc) | |
93 | int line; | |
94 | CORE_ADDR pc; | |
95 | { | |
96 | struct linetable_entry *e; | |
97 | /* Make sure line vector is big enough. */ | |
98 | ||
99 | if (line_vector_index + 2 >= line_vector_length) | |
100 | { | |
101 | line_vector_length *= 2; | |
102 | line_vector = (struct linetable *) | |
103 | xrealloc ((char *) line_vector, sizeof (struct linetable) | |
104 | + (line_vector_length | |
105 | * sizeof (struct linetable_entry))); | |
106 | } | |
107 | ||
108 | e = line_vector->item + line_vector_index++; | |
c5aa993b JM |
109 | e->line = line; |
110 | e->pc = pc; | |
c906108c SS |
111 | } |
112 | \f | |
113 | /* Start a new symtab for a new source file. | |
114 | It indicates the start of data for one original source file. */ | |
115 | /* FIXME: use start_symtab, like coffread.c now does. */ | |
116 | ||
117 | static void | |
118 | dst_start_symtab () | |
119 | { | |
120 | /* Initialize the source file line number information for this file. */ | |
121 | ||
122 | if (line_vector) /* Unlikely, but maybe possible? */ | |
c5aa993b | 123 | free ((PTR) line_vector); |
c906108c SS |
124 | line_vector_index = 0; |
125 | line_vector_length = 1000; | |
126 | prev_line_number = -2; /* Force first line number to be explicit */ | |
127 | line_vector = (struct linetable *) | |
128 | xmalloc (sizeof (struct linetable) | |
129 | + line_vector_length * sizeof (struct linetable_entry)); | |
130 | } | |
131 | ||
132 | /* Save the vital information from when starting to read a file, | |
133 | for use when closing off the current file. | |
134 | NAME is the file name the symbols came from, START_ADDR is the first | |
135 | text address for the file, and SIZE is the number of bytes of text. */ | |
136 | ||
137 | static void | |
138 | complete_symtab (name, start_addr, size) | |
c5aa993b JM |
139 | char *name; |
140 | CORE_ADDR start_addr; | |
141 | unsigned int size; | |
c906108c SS |
142 | { |
143 | last_source_file = savestring (name, strlen (name)); | |
144 | cur_src_start_addr = start_addr; | |
145 | cur_src_end_addr = start_addr + size; | |
146 | ||
c5aa993b JM |
147 | if (current_objfile->ei.entry_point >= cur_src_start_addr && |
148 | current_objfile->ei.entry_point < cur_src_end_addr) | |
c906108c | 149 | { |
c5aa993b JM |
150 | current_objfile->ei.entry_file_lowpc = cur_src_start_addr; |
151 | current_objfile->ei.entry_file_highpc = cur_src_end_addr; | |
c906108c SS |
152 | } |
153 | } | |
154 | ||
155 | /* Finish the symbol definitions for one main source file, | |
156 | close off all the lexical contexts for that file | |
157 | (creating struct block's for them), then make the | |
158 | struct symtab for that file and put it in the list of all such. */ | |
159 | /* FIXME: Use end_symtab, like coffread.c now does. */ | |
160 | ||
161 | static void | |
162 | dst_end_symtab (objfile) | |
163 | struct objfile *objfile; | |
164 | { | |
165 | register struct symtab *symtab; | |
166 | register struct blockvector *blockvector; | |
167 | register struct linetable *lv; | |
168 | ||
169 | /* Create the blockvector that points to all the file's blocks. */ | |
170 | ||
171 | blockvector = make_blockvector (objfile); | |
172 | ||
173 | /* Now create the symtab object for this source file. */ | |
174 | symtab = allocate_symtab (last_source_file, objfile); | |
175 | ||
176 | /* Fill in its components. */ | |
177 | symtab->blockvector = blockvector; | |
178 | symtab->free_code = free_linetable; | |
179 | symtab->free_ptr = 0; | |
180 | symtab->filename = last_source_file; | |
181 | symtab->dirname = NULL; | |
182 | symtab->debugformat = obsavestring ("Apollo DST", 10, | |
c5aa993b | 183 | &objfile->symbol_obstack); |
c906108c SS |
184 | lv = line_vector; |
185 | lv->nitems = line_vector_index; | |
186 | symtab->linetable = (struct linetable *) | |
187 | xrealloc ((char *) lv, (sizeof (struct linetable) | |
c5aa993b | 188 | + lv->nitems * sizeof (struct linetable_entry))); |
c906108c SS |
189 | |
190 | free_named_symtabs (symtab->filename); | |
191 | ||
192 | /* Reinitialize for beginning of new file. */ | |
193 | line_vector = 0; | |
194 | line_vector_length = -1; | |
195 | last_source_file = NULL; | |
196 | } | |
197 | \f | |
198 | /* dst_symfile_init () | |
199 | is the dst-specific initialization routine for reading symbols. | |
200 | ||
201 | We will only be called if this is a DST or DST-like file. | |
202 | BFD handles figuring out the format of the file, and code in symtab.c | |
203 | uses BFD's determination to vector to us. | |
204 | ||
205 | The ultimate result is a new symtab (or, FIXME, eventually a psymtab). */ | |
206 | ||
207 | static void | |
208 | dst_symfile_init (objfile) | |
209 | struct objfile *objfile; | |
210 | { | |
c5aa993b | 211 | asection *section; |
c906108c SS |
212 | bfd *abfd = objfile->obfd; |
213 | ||
214 | init_entry_point_info (objfile); | |
215 | ||
216 | } | |
217 | ||
218 | /* This function is called for every section; it finds the outer limits | |
219 | of the line table (minimum and maximum file offset) so that the | |
220 | mainline code can read the whole thing for efficiency. */ | |
221 | ||
222 | /* ARGSUSED */ | |
223 | static void | |
224 | find_dst_sections (abfd, asect, vpinfo) | |
225 | bfd *abfd; | |
226 | sec_ptr asect; | |
227 | PTR vpinfo; | |
228 | { | |
229 | int size, count; | |
230 | long base; | |
231 | file_ptr offset, maxoff; | |
232 | dst_sec *section; | |
233 | ||
234 | /* WARNING WILL ROBINSON! ACCESSING BFD-PRIVATE DATA HERE! FIXME! */ | |
235 | size = asect->_raw_size; | |
236 | offset = asect->filepos; | |
237 | base = asect->vma; | |
238 | /* End of warning */ | |
239 | ||
240 | section = NULL; | |
c5aa993b | 241 | if (!strcmp (asect->name, ".blocks")) |
c906108c | 242 | section = &blocks_info; |
c5aa993b | 243 | else if (!strcmp (asect->name, ".lines")) |
c906108c | 244 | section = &lines_info; |
c5aa993b | 245 | else if (!strcmp (asect->name, ".symbols")) |
c906108c SS |
246 | section = &symbols_info; |
247 | if (!section) | |
248 | return; | |
249 | section->size = size; | |
250 | section->position = offset; | |
251 | section->base = base; | |
252 | } | |
253 | ||
254 | ||
255 | /* The BFD for this file -- only good while we're actively reading | |
256 | symbols into a psymtab or a symtab. */ | |
257 | ||
258 | static bfd *symfile_bfd; | |
259 | ||
260 | /* Read a symbol file, after initialization by dst_symfile_init. */ | |
261 | /* FIXME! Addr and Mainline are not used yet -- this will not work for | |
262 | shared libraries or add_file! */ | |
263 | ||
264 | /* ARGSUSED */ | |
265 | static void | |
266 | dst_symfile_read (objfile, section_offsets, mainline) | |
267 | struct objfile *objfile; | |
268 | struct section_offsets *section_offsets; | |
269 | int mainline; | |
270 | { | |
271 | bfd *abfd = objfile->obfd; | |
272 | char *name = bfd_get_filename (abfd); | |
273 | int desc; | |
274 | register int val; | |
275 | int num_symbols; | |
276 | int symtab_offset; | |
277 | int stringtab_offset; | |
278 | ||
c5aa993b | 279 | symfile_bfd = abfd; /* Kludge for swap routines */ |
c906108c SS |
280 | |
281 | /* WARNING WILL ROBINSON! ACCESSING BFD-PRIVATE DATA HERE! FIXME! */ | |
c5aa993b | 282 | desc = fileno ((FILE *) (abfd->iostream)); /* File descriptor */ |
c906108c SS |
283 | |
284 | /* Read the line number table, all at once. */ | |
c5aa993b | 285 | bfd_map_over_sections (abfd, find_dst_sections, (PTR) NULL); |
c906108c SS |
286 | |
287 | val = init_dst_sections (desc); | |
288 | if (val < 0) | |
289 | error ("\"%s\": error reading debugging symbol tables\n", name); | |
290 | ||
291 | init_minimal_symbol_collection (); | |
292 | make_cleanup (discard_minimal_symbols, 0); | |
293 | ||
294 | /* Now that the executable file is positioned at symbol table, | |
295 | process it and define symbols accordingly. */ | |
296 | ||
297 | read_dst_symtab (objfile); | |
298 | ||
299 | /* Sort symbols alphabetically within each block. */ | |
300 | ||
301 | { | |
302 | struct symtab *s; | |
c5aa993b | 303 | for (s = objfile->symtabs; s != NULL; s = s->next) |
c906108c SS |
304 | { |
305 | sort_symtab_syms (s); | |
306 | } | |
307 | } | |
308 | ||
309 | /* Install any minimal symbols that have been collected as the current | |
310 | minimal symbols for this objfile. */ | |
311 | ||
312 | install_minimal_symbols (objfile); | |
313 | } | |
314 | ||
315 | static void | |
316 | dst_new_init (ignore) | |
317 | struct objfile *ignore; | |
318 | { | |
c5aa993b | 319 | /* Nothin' to do */ |
c906108c SS |
320 | } |
321 | ||
322 | /* Perform any local cleanups required when we are done with a particular | |
323 | objfile. I.E, we are in the process of discarding all symbol information | |
324 | for an objfile, freeing up all memory held for it, and unlinking the | |
325 | objfile struct from the global list of known objfiles. */ | |
326 | ||
327 | static void | |
328 | dst_symfile_finish (objfile) | |
329 | struct objfile *objfile; | |
330 | { | |
c5aa993b | 331 | /* Nothing to do */ |
c906108c | 332 | } |
c906108c | 333 | \f |
c5aa993b | 334 | |
c906108c SS |
335 | /* Get the next line number from the DST. Returns 0 when we hit an |
336 | * end directive or cannot continue for any other reason. | |
337 | * | |
338 | * Note that ordinary pc deltas are multiplied by two. Apparently | |
339 | * this is what was really intended. | |
340 | */ | |
341 | static int | |
c5aa993b JM |
342 | get_dst_line (buffer, pc) |
343 | signed char **buffer; | |
344 | long *pc; | |
c906108c | 345 | { |
c5aa993b JM |
346 | static last_pc = 0; |
347 | static long last_line = 0; | |
348 | static int last_file = 0; | |
349 | dst_ln_entry_ptr_t entry; | |
350 | int size; | |
351 | dst_src_loc_t *src_loc; | |
352 | ||
353 | if (*pc != -1) | |
354 | { | |
355 | last_pc = *pc; | |
356 | *pc = -1; | |
357 | } | |
358 | entry = (dst_ln_entry_ptr_t) * buffer; | |
c906108c | 359 | |
c5aa993b JM |
360 | while (dst_ln_ln_delta (*entry) == dst_ln_escape_flag) |
361 | { | |
362 | switch (entry->esc.esc_code) | |
c906108c | 363 | { |
c5aa993b JM |
364 | case dst_ln_pad: |
365 | size = 1; /* pad byte */ | |
366 | break; | |
367 | case dst_ln_file: | |
368 | /* file escape. Next 4 bytes are a dst_src_loc_t */ | |
369 | size = 5; | |
370 | src_loc = (dst_src_loc_t *) (*buffer + 1); | |
371 | last_line = src_loc->line_number; | |
372 | last_file = src_loc->file_index; | |
373 | break; | |
374 | case dst_ln_dln1_dpc1: | |
375 | /* 1 byte line delta, 1 byte pc delta */ | |
376 | last_line += (*buffer)[1]; | |
377 | last_pc += 2 * (unsigned char) (*buffer)[2]; | |
378 | dst_record_line (last_line, last_pc); | |
379 | size = 3; | |
380 | break; | |
381 | case dst_ln_dln2_dpc2: | |
382 | /* 2 bytes line delta, 2 bytes pc delta */ | |
383 | last_line += *(short *) (*buffer + 1); | |
384 | last_pc += 2 * (*(short *) (*buffer + 3)); | |
385 | size = 5; | |
386 | dst_record_line (last_line, last_pc); | |
387 | break; | |
388 | case dst_ln_ln4_pc4: | |
389 | /* 4 bytes ABSOLUTE line number, 4 bytes ABSOLUTE pc */ | |
390 | last_line = *(unsigned long *) (*buffer + 1); | |
391 | last_pc = *(unsigned long *) (*buffer + 5); | |
392 | size = 9; | |
393 | dst_record_line (last_line, last_pc); | |
394 | break; | |
395 | case dst_ln_dln1_dpc0: | |
396 | /* 1 byte line delta, pc delta = 0 */ | |
397 | size = 2; | |
398 | last_line += (*buffer)[1]; | |
399 | break; | |
400 | case dst_ln_ln_off_1: | |
401 | /* statement escape, stmt # = 1 (2nd stmt on line) */ | |
402 | size = 1; | |
403 | break; | |
404 | case dst_ln_ln_off: | |
405 | /* statement escape, stmt # = next byte */ | |
406 | size = 2; | |
407 | break; | |
408 | case dst_ln_entry: | |
409 | /* entry escape, next byte is entry number */ | |
410 | size = 2; | |
411 | break; | |
412 | case dst_ln_exit: | |
413 | /* exit escape */ | |
414 | size = 1; | |
415 | break; | |
416 | case dst_ln_stmt_end: | |
417 | /* gap escape, 4 bytes pc delta */ | |
418 | size = 5; | |
419 | /* last_pc += 2 * (*(long *) (*buffer + 1)); */ | |
420 | /* Apparently this isn't supposed to actually modify | |
421 | * the pc value. Totally weird. | |
422 | */ | |
423 | break; | |
424 | case dst_ln_escape_11: | |
425 | case dst_ln_escape_12: | |
426 | case dst_ln_escape_13: | |
427 | size = 1; | |
428 | break; | |
429 | case dst_ln_nxt_byte: | |
430 | /* This shouldn't happen. If it does, we're SOL */ | |
431 | return 0; | |
432 | break; | |
433 | case dst_ln_end: | |
434 | /* end escape, final entry follows */ | |
435 | return 0; | |
c906108c | 436 | } |
c5aa993b JM |
437 | *buffer += (size < 0) ? -size : size; |
438 | entry = (dst_ln_entry_ptr_t) * buffer; | |
439 | } | |
440 | last_line += dst_ln_ln_delta (*entry); | |
441 | last_pc += entry->delta.pc_delta * 2; | |
442 | (*buffer)++; | |
443 | dst_record_line (last_line, last_pc); | |
444 | return 1; | |
c906108c SS |
445 | } |
446 | ||
c5aa993b JM |
447 | static void |
448 | enter_all_lines (buffer, address) | |
449 | char *buffer; | |
450 | long address; | |
c906108c | 451 | { |
c5aa993b JM |
452 | if (buffer) |
453 | while (get_dst_line (&buffer, &address)); | |
c906108c SS |
454 | } |
455 | ||
456 | static int | |
c5aa993b JM |
457 | get_dst_entry (buffer, ret_entry) |
458 | char *buffer; | |
459 | dst_rec_ptr_t *ret_entry; | |
c906108c | 460 | { |
c5aa993b JM |
461 | int size; |
462 | dst_rec_ptr_t entry; | |
463 | static int last_type; | |
464 | int ar_size; | |
465 | static unsigned lu3; | |
466 | ||
467 | entry = (dst_rec_ptr_t) buffer; | |
468 | switch (entry->rec_type) | |
c906108c SS |
469 | { |
470 | case dst_typ_pad: | |
c5aa993b JM |
471 | size = 0; |
472 | break; | |
c906108c | 473 | case dst_typ_comp_unit: |
c5aa993b JM |
474 | size = sizeof (DST_comp_unit (entry)); |
475 | break; | |
c906108c | 476 | case dst_typ_section_tab: |
c5aa993b JM |
477 | size = sizeof (DST_section_tab (entry)) |
478 | + ((int) DST_section_tab (entry).number_of_sections | |
479 | - dst_dummy_array_size) * sizeof (long); | |
480 | break; | |
c906108c | 481 | case dst_typ_file_tab: |
c5aa993b JM |
482 | size = sizeof (DST_file_tab (entry)) |
483 | + ((int) DST_file_tab (entry).number_of_files | |
484 | - dst_dummy_array_size) * sizeof (dst_file_desc_t); | |
485 | break; | |
c906108c | 486 | case dst_typ_block: |
c5aa993b JM |
487 | size = sizeof (DST_block (entry)) |
488 | + ((int) DST_block (entry).n_of_code_ranges | |
489 | - dst_dummy_array_size) * sizeof (dst_code_range_t); | |
490 | break; | |
c906108c | 491 | case dst_typ_5: |
c5aa993b JM |
492 | size = -1; |
493 | break; | |
c906108c | 494 | case dst_typ_var: |
c5aa993b JM |
495 | size = sizeof (DST_var (entry)) - |
496 | sizeof (dst_var_loc_long_t) * dst_dummy_array_size + | |
497 | DST_var (entry).no_of_locs * | |
498 | (DST_var (entry).short_locs ? | |
499 | sizeof (dst_var_loc_short_t) : | |
500 | sizeof (dst_var_loc_long_t)); | |
501 | break; | |
c906108c | 502 | case dst_typ_pointer: |
c5aa993b JM |
503 | size = sizeof (DST_pointer (entry)); |
504 | break; | |
c906108c | 505 | case dst_typ_array: |
c5aa993b JM |
506 | size = sizeof (DST_array (entry)); |
507 | break; | |
c906108c | 508 | case dst_typ_subrange: |
c5aa993b JM |
509 | size = sizeof (DST_subrange (entry)); |
510 | break; | |
c906108c | 511 | case dst_typ_set: |
c5aa993b JM |
512 | size = sizeof (DST_set (entry)); |
513 | break; | |
c906108c | 514 | case dst_typ_implicit_enum: |
c5aa993b JM |
515 | size = sizeof (DST_implicit_enum (entry)) |
516 | + ((int) DST_implicit_enum (entry).nelems | |
517 | - dst_dummy_array_size) * sizeof (dst_rel_offset_t); | |
518 | break; | |
c906108c | 519 | case dst_typ_explicit_enum: |
c5aa993b JM |
520 | size = sizeof (DST_explicit_enum (entry)) |
521 | + ((int) DST_explicit_enum (entry).nelems | |
522 | - dst_dummy_array_size) * sizeof (dst_enum_elem_t); | |
523 | break; | |
c906108c | 524 | case dst_typ_short_rec: |
c5aa993b JM |
525 | size = sizeof (DST_short_rec (entry)) |
526 | + DST_short_rec (entry).nfields * sizeof (dst_short_field_t) | |
527 | - dst_dummy_array_size * sizeof (dst_field_t); | |
528 | break; | |
c906108c | 529 | case dst_typ_short_union: |
c5aa993b JM |
530 | size = sizeof (DST_short_union (entry)) |
531 | + DST_short_union (entry).nfields * sizeof (dst_short_field_t) | |
532 | - dst_dummy_array_size * sizeof (dst_field_t); | |
533 | break; | |
c906108c | 534 | case dst_typ_file: |
c5aa993b JM |
535 | size = sizeof (DST_file (entry)); |
536 | break; | |
c906108c | 537 | case dst_typ_offset: |
c5aa993b JM |
538 | size = sizeof (DST_offset (entry)); |
539 | break; | |
c906108c | 540 | case dst_typ_alias: |
c5aa993b JM |
541 | size = sizeof (DST_alias (entry)); |
542 | break; | |
c906108c | 543 | case dst_typ_signature: |
c5aa993b JM |
544 | size = sizeof (DST_signature (entry)) + |
545 | ((int) DST_signature (entry).nargs - | |
546 | dst_dummy_array_size) * sizeof (dst_arg_t); | |
547 | break; | |
c906108c | 548 | case dst_typ_21: |
c5aa993b JM |
549 | size = -1; |
550 | break; | |
c906108c | 551 | case dst_typ_old_label: |
c5aa993b JM |
552 | size = sizeof (DST_old_label (entry)); |
553 | break; | |
c906108c | 554 | case dst_typ_scope: |
c5aa993b JM |
555 | size = sizeof (DST_scope (entry)); |
556 | break; | |
c906108c | 557 | case dst_typ_end_scope: |
c5aa993b JM |
558 | size = 0; |
559 | break; | |
c906108c SS |
560 | case dst_typ_25: |
561 | case dst_typ_26: | |
c5aa993b JM |
562 | size = -1; |
563 | break; | |
c906108c SS |
564 | case dst_typ_string_tab: |
565 | case dst_typ_global_name_tab: | |
c5aa993b JM |
566 | size = sizeof (DST_string_tab (entry)) |
567 | + DST_string_tab (entry).length | |
568 | - dst_dummy_array_size; | |
569 | break; | |
c906108c | 570 | case dst_typ_forward: |
c5aa993b JM |
571 | size = sizeof (DST_forward (entry)); |
572 | get_dst_entry ((char *) entry + DST_forward (entry).rec_off, &entry); | |
573 | break; | |
c906108c | 574 | case dst_typ_aux_size: |
c5aa993b JM |
575 | size = sizeof (DST_aux_size (entry)); |
576 | break; | |
c906108c | 577 | case dst_typ_aux_align: |
c5aa993b JM |
578 | size = sizeof (DST_aux_align (entry)); |
579 | break; | |
c906108c | 580 | case dst_typ_aux_field_size: |
c5aa993b JM |
581 | size = sizeof (DST_aux_field_size (entry)); |
582 | break; | |
c906108c | 583 | case dst_typ_aux_field_off: |
c5aa993b JM |
584 | size = sizeof (DST_aux_field_off (entry)); |
585 | break; | |
c906108c | 586 | case dst_typ_aux_field_align: |
c5aa993b JM |
587 | size = sizeof (DST_aux_field_align (entry)); |
588 | break; | |
c906108c | 589 | case dst_typ_aux_qual: |
c5aa993b JM |
590 | size = sizeof (DST_aux_qual (entry)); |
591 | break; | |
c906108c | 592 | case dst_typ_aux_var_bound: |
c5aa993b JM |
593 | size = sizeof (DST_aux_var_bound (entry)); |
594 | break; | |
c906108c | 595 | case dst_typ_extension: |
c5aa993b JM |
596 | size = DST_extension (entry).rec_size; |
597 | break; | |
c906108c | 598 | case dst_typ_string: |
c5aa993b JM |
599 | size = sizeof (DST_string (entry)); |
600 | break; | |
c906108c | 601 | case dst_typ_old_entry: |
c5aa993b JM |
602 | size = 48; /* Obsolete entry type */ |
603 | break; | |
c906108c | 604 | case dst_typ_const: |
c5aa993b JM |
605 | size = sizeof (DST_const (entry)) |
606 | + DST_const (entry).value.length | |
607 | - sizeof (DST_const (entry).value.val); | |
608 | break; | |
c906108c | 609 | case dst_typ_reference: |
c5aa993b JM |
610 | size = sizeof (DST_reference (entry)); |
611 | break; | |
c906108c SS |
612 | case dst_typ_old_record: |
613 | case dst_typ_old_union: | |
614 | case dst_typ_record: | |
615 | case dst_typ_union: | |
c5aa993b JM |
616 | size = sizeof (DST_record (entry)) |
617 | + ((int) DST_record (entry).nfields | |
618 | - dst_dummy_array_size) * sizeof (dst_field_t); | |
619 | break; | |
c906108c | 620 | case dst_typ_aux_type_deriv: |
c5aa993b JM |
621 | size = sizeof (DST_aux_type_deriv (entry)); |
622 | break; | |
c906108c | 623 | case dst_typ_locpool: |
c5aa993b JM |
624 | size = sizeof (DST_locpool (entry)) |
625 | + ((int) DST_locpool (entry).length - | |
626 | dst_dummy_array_size); | |
627 | break; | |
c906108c | 628 | case dst_typ_variable: |
c5aa993b JM |
629 | size = sizeof (DST_variable (entry)); |
630 | break; | |
c906108c | 631 | case dst_typ_label: |
c5aa993b JM |
632 | size = sizeof (DST_label (entry)); |
633 | break; | |
c906108c | 634 | case dst_typ_entry: |
c5aa993b JM |
635 | size = sizeof (DST_entry (entry)); |
636 | break; | |
c906108c | 637 | case dst_typ_aux_lifetime: |
c5aa993b JM |
638 | size = sizeof (DST_aux_lifetime (entry)); |
639 | break; | |
c906108c | 640 | case dst_typ_aux_ptr_base: |
c5aa993b JM |
641 | size = sizeof (DST_aux_ptr_base (entry)); |
642 | break; | |
c906108c | 643 | case dst_typ_aux_src_range: |
c5aa993b JM |
644 | size = sizeof (DST_aux_src_range (entry)); |
645 | break; | |
c906108c | 646 | case dst_typ_aux_reg_val: |
c5aa993b JM |
647 | size = sizeof (DST_aux_reg_val (entry)); |
648 | break; | |
c906108c | 649 | case dst_typ_aux_unit_names: |
c5aa993b JM |
650 | size = sizeof (DST_aux_unit_names (entry)) |
651 | + ((int) DST_aux_unit_names (entry).number_of_names | |
652 | - dst_dummy_array_size) * sizeof (dst_rel_offset_t); | |
653 | break; | |
c906108c | 654 | case dst_typ_aux_sect_info: |
c5aa993b JM |
655 | size = sizeof (DST_aux_sect_info (entry)) |
656 | + ((int) DST_aux_sect_info (entry).number_of_refs | |
657 | - dst_dummy_array_size) * sizeof (dst_sect_ref_t); | |
658 | break; | |
c906108c | 659 | default: |
c5aa993b JM |
660 | size = -1; |
661 | break; | |
c906108c | 662 | } |
c5aa993b | 663 | if (size == -1) |
c906108c | 664 | { |
c5aa993b JM |
665 | fprintf_unfiltered (gdb_stderr, "Warning: unexpected DST entry type (%d) found\nLast valid entry was of type: %d\n", |
666 | (int) entry->rec_type, | |
667 | last_type); | |
668 | fprintf_unfiltered (gdb_stderr, "Last unknown_3 value: %d\n", lu3); | |
669 | size = 0; | |
c906108c | 670 | } |
c5aa993b JM |
671 | else |
672 | last_type = entry->rec_type; | |
673 | if (size & 1) /* Align on a word boundary */ | |
674 | size++; | |
675 | size += 2; | |
676 | *ret_entry = entry; | |
677 | return size; | |
c906108c SS |
678 | } |
679 | ||
c5aa993b JM |
680 | static int |
681 | next_dst_entry (buffer, entry, table) | |
682 | char **buffer; | |
683 | dst_rec_ptr_t *entry; | |
684 | dst_sec *table; | |
c906108c | 685 | { |
c5aa993b | 686 | if (*buffer - table->buffer >= table->size) |
c906108c | 687 | { |
c5aa993b JM |
688 | *entry = NULL; |
689 | return 0; | |
c906108c | 690 | } |
c5aa993b JM |
691 | *buffer += get_dst_entry (*buffer, entry); |
692 | return 1; | |
c906108c SS |
693 | } |
694 | ||
695 | #define NEXT_BLK(a, b) next_dst_entry(a, b, &blocks_info) | |
696 | #define NEXT_SYM(a, b) next_dst_entry(a, b, &symbols_info) | |
697 | #define DST_OFFSET(a, b) ((char *) (a) + (b)) | |
698 | ||
c5aa993b | 699 | static dst_rec_ptr_t section_table = NULL; |
c906108c SS |
700 | |
701 | char * | |
c5aa993b JM |
702 | get_sec_ref (ref) |
703 | dst_sect_ref_t *ref; | |
c906108c | 704 | { |
c5aa993b JM |
705 | dst_sec *section = NULL; |
706 | long offset; | |
707 | ||
708 | if (!section_table || !ref->sect_index) | |
709 | return NULL; | |
710 | offset = DST_section_tab (section_table).section_base[ref->sect_index - 1] | |
711 | + ref->sect_offset; | |
712 | if (offset >= blocks_info.base && | |
713 | offset < blocks_info.base + blocks_info.size) | |
714 | section = &blocks_info; | |
715 | else if (offset >= symbols_info.base && | |
716 | offset < symbols_info.base + symbols_info.size) | |
717 | section = &symbols_info; | |
718 | else if (offset >= lines_info.base && | |
719 | offset < lines_info.base + lines_info.size) | |
720 | section = &lines_info; | |
721 | if (!section) | |
722 | return NULL; | |
723 | return section->buffer + (offset - section->base); | |
c906108c SS |
724 | } |
725 | ||
726 | CORE_ADDR | |
c5aa993b | 727 | dst_get_addr (int section, long offset) |
c906108c | 728 | { |
c5aa993b JM |
729 | if (!section_table || !section) |
730 | return 0; | |
731 | return DST_section_tab (section_table).section_base[section - 1] + offset; | |
c906108c SS |
732 | } |
733 | ||
734 | CORE_ADDR | |
c5aa993b JM |
735 | dst_sym_addr (ref) |
736 | dst_sect_ref_t *ref; | |
c906108c | 737 | { |
c5aa993b JM |
738 | if (!section_table || !ref->sect_index) |
739 | return 0; | |
740 | return DST_section_tab (section_table).section_base[ref->sect_index - 1] | |
741 | + ref->sect_offset; | |
c906108c SS |
742 | } |
743 | ||
744 | static struct type * | |
c5aa993b JM |
745 | create_new_type (objfile) |
746 | struct objfile *objfile; | |
c906108c | 747 | { |
c5aa993b | 748 | struct type *type; |
c906108c | 749 | |
c5aa993b JM |
750 | type = (struct type *) |
751 | obstack_alloc (&objfile->symbol_obstack, sizeof (struct type)); | |
752 | memset (type, 0, sizeof (struct type)); | |
753 | return type; | |
c906108c SS |
754 | } |
755 | ||
756 | static struct symbol * | |
c5aa993b JM |
757 | create_new_symbol (objfile, name) |
758 | struct objfile *objfile; | |
759 | char *name; | |
c906108c | 760 | { |
c5aa993b JM |
761 | struct symbol *sym = (struct symbol *) |
762 | obstack_alloc (&objfile->symbol_obstack, sizeof (struct symbol)); | |
763 | memset (sym, 0, sizeof (struct symbol)); | |
764 | SYMBOL_NAME (sym) = obsavestring (name, strlen (name), | |
765 | &objfile->symbol_obstack); | |
766 | SYMBOL_VALUE (sym) = 0; | |
767 | SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE; | |
768 | ||
769 | SYMBOL_CLASS (sym) = LOC_BLOCK; | |
770 | return sym; | |
c906108c SS |
771 | }; |
772 | ||
773 | static struct type * | |
c5aa993b | 774 | decode_dst_type PARAMS ((struct objfile *, dst_rec_ptr_t)); |
c906108c SS |
775 | |
776 | static struct type * | |
c5aa993b JM |
777 | decode_type_desc (objfile, type_desc, base) |
778 | struct objfile *objfile; | |
779 | dst_type_t *type_desc; | |
780 | dst_rec_ptr_t base; | |
c906108c | 781 | { |
c5aa993b JM |
782 | struct type *type; |
783 | dst_rec_ptr_t entry; | |
784 | if (type_desc->std_type.user_defined_type) | |
785 | { | |
786 | entry = (dst_rec_ptr_t) DST_OFFSET (base, | |
787 | dst_user_type_offset (*type_desc)); | |
788 | type = decode_dst_type (objfile, entry); | |
789 | } | |
790 | else | |
791 | { | |
792 | switch (type_desc->std_type.dtc) | |
c906108c | 793 | { |
c5aa993b JM |
794 | case dst_int8_type: |
795 | type = builtin_type_signed_char; | |
796 | break; | |
797 | case dst_int16_type: | |
798 | type = builtin_type_short; | |
799 | break; | |
800 | case dst_int32_type: | |
801 | type = builtin_type_long; | |
802 | break; | |
803 | case dst_uint8_type: | |
804 | type = builtin_type_unsigned_char; | |
805 | break; | |
806 | case dst_uint16_type: | |
807 | type = builtin_type_unsigned_short; | |
808 | break; | |
809 | case dst_uint32_type: | |
810 | type = builtin_type_unsigned_long; | |
811 | break; | |
812 | case dst_real32_type: | |
813 | type = builtin_type_float; | |
814 | break; | |
815 | case dst_real64_type: | |
816 | type = builtin_type_double; | |
817 | break; | |
818 | case dst_complex_type: | |
819 | type = builtin_type_complex; | |
820 | break; | |
821 | case dst_dcomplex_type: | |
822 | type = builtin_type_double_complex; | |
823 | break; | |
824 | case dst_bool8_type: | |
825 | type = builtin_type_char; | |
826 | break; | |
827 | case dst_bool16_type: | |
828 | type = builtin_type_short; | |
829 | break; | |
830 | case dst_bool32_type: | |
831 | type = builtin_type_long; | |
832 | break; | |
833 | case dst_char_type: | |
834 | type = builtin_type_char; | |
835 | break; | |
836 | /* The next few are more complex. I will take care | |
837 | * of them properly at a later point. | |
838 | */ | |
839 | case dst_string_type: | |
840 | type = builtin_type_void; | |
841 | break; | |
842 | case dst_ptr_type: | |
843 | type = builtin_type_void; | |
844 | break; | |
845 | case dst_set_type: | |
846 | type = builtin_type_void; | |
847 | break; | |
848 | case dst_proc_type: | |
849 | type = builtin_type_void; | |
850 | break; | |
851 | case dst_func_type: | |
852 | type = builtin_type_void; | |
853 | break; | |
854 | /* Back tto some ordinary ones */ | |
855 | case dst_void_type: | |
856 | type = builtin_type_void; | |
857 | break; | |
858 | case dst_uchar_type: | |
859 | type = builtin_type_unsigned_char; | |
860 | break; | |
861 | default: | |
862 | type = builtin_type_void; | |
863 | break; | |
c906108c | 864 | } |
c5aa993b JM |
865 | } |
866 | return type; | |
c906108c SS |
867 | } |
868 | ||
c5aa993b JM |
869 | struct structure_list |
870 | { | |
871 | struct structure_list *next; | |
872 | struct type *type; | |
873 | }; | |
c906108c SS |
874 | |
875 | static struct structure_list *struct_list = NULL; | |
876 | ||
877 | static struct type * | |
c5aa993b JM |
878 | find_dst_structure (name) |
879 | char *name; | |
c906108c | 880 | { |
c5aa993b | 881 | struct structure_list *element; |
c906108c | 882 | |
c5aa993b JM |
883 | for (element = struct_list; element; element = element->next) |
884 | if (!strcmp (name, TYPE_NAME (element->type))) | |
885 | return element->type; | |
886 | return NULL; | |
c906108c SS |
887 | } |
888 | ||
889 | ||
890 | static struct type * | |
c5aa993b JM |
891 | decode_dst_structure (objfile, entry, code, version) |
892 | struct objfile *objfile; | |
893 | dst_rec_ptr_t entry; | |
894 | int code; | |
895 | int version; | |
c906108c | 896 | { |
c5aa993b JM |
897 | struct type *type, *child_type; |
898 | char *struct_name; | |
899 | char *name, *field_name; | |
900 | int i; | |
901 | int fieldoffset, fieldsize; | |
902 | dst_type_t type_desc; | |
903 | struct structure_list *element; | |
904 | ||
905 | struct_name = DST_OFFSET (entry, DST_record (entry).noffset); | |
906 | name = concat ((code == TYPE_CODE_UNION) ? "union " : "struct ", | |
907 | struct_name, NULL); | |
908 | type = find_dst_structure (name); | |
909 | if (type) | |
910 | { | |
911 | free ((PTR) name); | |
912 | return type; | |
913 | } | |
914 | type = create_new_type (objfile); | |
915 | TYPE_NAME (type) = obstack_copy0 (&objfile->symbol_obstack, | |
916 | name, strlen (name)); | |
917 | free ((PTR) name); | |
918 | TYPE_CODE (type) = code; | |
919 | TYPE_LENGTH (type) = DST_record (entry).size; | |
920 | TYPE_NFIELDS (type) = DST_record (entry).nfields; | |
921 | TYPE_FIELDS (type) = (struct field *) | |
922 | obstack_alloc (&objfile->symbol_obstack, sizeof (struct field) * | |
923 | DST_record (entry).nfields); | |
924 | fieldoffset = fieldsize = 0; | |
925 | INIT_CPLUS_SPECIFIC (type); | |
926 | element = (struct structure_list *) | |
927 | xmalloc (sizeof (struct structure_list)); | |
928 | element->type = type; | |
929 | element->next = struct_list; | |
930 | struct_list = element; | |
931 | for (i = 0; i < DST_record (entry).nfields; i++) | |
932 | { | |
933 | switch (version) | |
c906108c | 934 | { |
c5aa993b JM |
935 | case 2: |
936 | field_name = DST_OFFSET (entry, | |
937 | DST_record (entry).f.ofields[i].noffset); | |
938 | fieldoffset = DST_record (entry).f.ofields[i].foffset * 8 + | |
939 | DST_record (entry).f.ofields[i].bit_offset; | |
940 | fieldsize = DST_record (entry).f.ofields[i].size; | |
941 | type_desc = DST_record (entry).f.ofields[i].type_desc; | |
942 | break; | |
943 | case 1: | |
944 | field_name = DST_OFFSET (entry, | |
945 | DST_record (entry).f.fields[i].noffset); | |
946 | type_desc = DST_record (entry).f.fields[i].type_desc; | |
947 | switch (DST_record (entry).f.fields[i].f.field_loc.format_tag) | |
948 | { | |
949 | case dst_field_byte: | |
950 | fieldoffset = DST_record (entry).f. | |
951 | fields[i].f.field_byte.offset * 8; | |
952 | fieldsize = -1; | |
953 | break; | |
954 | case dst_field_bit: | |
955 | fieldoffset = DST_record (entry).f. | |
956 | fields[i].f.field_bit.byte_offset * 8 + | |
957 | DST_record (entry).f. | |
958 | fields[i].f.field_bit.bit_offset; | |
959 | fieldsize = DST_record (entry).f. | |
960 | fields[i].f.field_bit.nbits; | |
961 | break; | |
962 | case dst_field_loc: | |
963 | fieldoffset += fieldsize; | |
964 | fieldsize = -1; | |
965 | break; | |
966 | } | |
967 | break; | |
968 | case 0: | |
969 | field_name = DST_OFFSET (entry, | |
970 | DST_record (entry).f.sfields[i].noffset); | |
971 | fieldoffset = DST_record (entry).f.sfields[i].foffset; | |
972 | type_desc = DST_record (entry).f.sfields[i].type_desc; | |
973 | if (i < DST_record (entry).nfields - 1) | |
974 | fieldsize = DST_record (entry).f.sfields[i + 1].foffset; | |
975 | else | |
976 | fieldsize = DST_record (entry).size; | |
977 | fieldsize -= fieldoffset; | |
978 | fieldoffset *= 8; | |
979 | fieldsize *= 8; | |
c906108c | 980 | } |
c5aa993b JM |
981 | TYPE_FIELDS (type)[i].name = |
982 | obstack_copy0 (&objfile->symbol_obstack, | |
983 | field_name, strlen (field_name)); | |
984 | TYPE_FIELDS (type)[i].type = decode_type_desc (objfile, | |
985 | &type_desc, | |
986 | entry); | |
987 | if (fieldsize == -1) | |
988 | fieldsize = TYPE_LENGTH (TYPE_FIELDS (type)[i].type) * | |
989 | 8; | |
990 | TYPE_FIELDS (type)[i].bitsize = fieldsize; | |
991 | TYPE_FIELDS (type)[i].bitpos = fieldoffset; | |
992 | } | |
993 | return type; | |
c906108c SS |
994 | } |
995 | ||
996 | static struct type * | |
c5aa993b JM |
997 | decode_dst_type (objfile, entry) |
998 | struct objfile *objfile; | |
999 | dst_rec_ptr_t entry; | |
c906108c | 1000 | { |
c5aa993b | 1001 | struct type *child_type, *type, *range_type, *index_type; |
c906108c | 1002 | |
c5aa993b JM |
1003 | switch (entry->rec_type) |
1004 | { | |
1005 | case dst_typ_var: | |
1006 | return decode_type_desc (objfile, | |
1007 | &DST_var (entry).type_desc, | |
1008 | entry); | |
1009 | break; | |
1010 | case dst_typ_variable: | |
1011 | return decode_type_desc (objfile, | |
1012 | &DST_variable (entry).type_desc, | |
1013 | entry); | |
1014 | break; | |
1015 | case dst_typ_short_rec: | |
1016 | return decode_dst_structure (objfile, entry, TYPE_CODE_STRUCT, 0); | |
1017 | case dst_typ_short_union: | |
1018 | return decode_dst_structure (objfile, entry, TYPE_CODE_UNION, 0); | |
1019 | case dst_typ_union: | |
1020 | return decode_dst_structure (objfile, entry, TYPE_CODE_UNION, 1); | |
1021 | case dst_typ_record: | |
1022 | return decode_dst_structure (objfile, entry, TYPE_CODE_STRUCT, 1); | |
1023 | case dst_typ_old_union: | |
1024 | return decode_dst_structure (objfile, entry, TYPE_CODE_UNION, 2); | |
1025 | case dst_typ_old_record: | |
1026 | return decode_dst_structure (objfile, entry, TYPE_CODE_STRUCT, 2); | |
1027 | case dst_typ_pointer: | |
1028 | return make_pointer_type ( | |
1029 | decode_type_desc (objfile, | |
1030 | &DST_pointer (entry).type_desc, | |
1031 | entry), | |
1032 | NULL); | |
1033 | case dst_typ_array: | |
1034 | child_type = decode_type_desc (objfile, | |
1035 | &DST_pointer (entry).type_desc, | |
1036 | entry); | |
1037 | index_type = lookup_fundamental_type (objfile, | |
1038 | FT_INTEGER); | |
1039 | range_type = create_range_type ((struct type *) NULL, | |
1040 | index_type, DST_array (entry).lo_bound, | |
1041 | DST_array (entry).hi_bound); | |
1042 | return create_array_type ((struct type *) NULL, child_type, | |
1043 | range_type); | |
1044 | case dst_typ_alias: | |
1045 | return decode_type_desc (objfile, | |
1046 | &DST_alias (entry).type_desc, | |
1047 | entry); | |
1048 | default: | |
1049 | return builtin_type_int; | |
1050 | } | |
c906108c SS |
1051 | } |
1052 | ||
c5aa993b JM |
1053 | struct symbol_list |
1054 | { | |
1055 | struct symbol_list *next; | |
1056 | struct symbol *symbol; | |
c906108c SS |
1057 | }; |
1058 | ||
c5aa993b JM |
1059 | static struct symbol_list *dst_global_symbols = NULL; |
1060 | static int total_globals = 0; | |
c906108c SS |
1061 | |
1062 | static void | |
c5aa993b JM |
1063 | decode_dst_locstring (locstr, sym) |
1064 | char *locstr; | |
1065 | struct symbol *sym; | |
c906108c | 1066 | { |
c5aa993b JM |
1067 | dst_loc_entry_t *entry, *next_entry; |
1068 | CORE_ADDR temp; | |
1069 | int count = 0; | |
c906108c | 1070 | |
c5aa993b JM |
1071 | while (1) |
1072 | { | |
1073 | if (count++ == 100) | |
c906108c | 1074 | { |
c5aa993b JM |
1075 | fprintf_unfiltered (gdb_stderr, "Error reading locstring\n"); |
1076 | break; | |
1077 | } | |
1078 | entry = (dst_loc_entry_t *) locstr; | |
1079 | next_entry = (dst_loc_entry_t *) (locstr + 1); | |
1080 | switch (entry->header.code) | |
1081 | { | |
1082 | case dst_lsc_end: /* End of string */ | |
1083 | return; | |
1084 | case dst_lsc_indirect: /* Indirect through previous. Arg == 6 */ | |
1085 | /* Or register ax x == arg */ | |
1086 | if (entry->header.arg < 6) | |
1087 | { | |
1088 | SYMBOL_CLASS (sym) = LOC_REGISTER; | |
1089 | SYMBOL_VALUE (sym) = entry->header.arg + 8; | |
1090 | } | |
1091 | /* We predict indirects */ | |
1092 | locstr++; | |
1093 | break; | |
1094 | case dst_lsc_dreg: | |
1095 | SYMBOL_CLASS (sym) = LOC_REGISTER; | |
1096 | SYMBOL_VALUE (sym) = entry->header.arg; | |
1097 | locstr++; | |
1098 | break; | |
1099 | case dst_lsc_section: /* Section (arg+1) */ | |
1100 | SYMBOL_VALUE (sym) = dst_get_addr (entry->header.arg + 1, 0); | |
1101 | locstr++; | |
1102 | break; | |
1103 | case dst_lsc_sec_byte: /* Section (next_byte+1) */ | |
1104 | SYMBOL_VALUE (sym) = dst_get_addr (locstr[1] + 1, 0); | |
1105 | locstr += 2; | |
1106 | break; | |
1107 | case dst_lsc_add: /* Add (arg+1)*2 */ | |
1108 | case dst_lsc_sub: /* Subtract (arg+1)*2 */ | |
1109 | temp = (entry->header.arg + 1) * 2; | |
1110 | locstr++; | |
1111 | if (*locstr == dst_multiply_256) | |
1112 | { | |
1113 | temp <<= 8; | |
1114 | locstr++; | |
1115 | } | |
1116 | switch (entry->header.code) | |
1117 | { | |
1118 | case dst_lsc_add: | |
1119 | if (SYMBOL_CLASS (sym) == LOC_LOCAL) | |
1120 | SYMBOL_CLASS (sym) = LOC_ARG; | |
1121 | SYMBOL_VALUE (sym) += temp; | |
1122 | break; | |
1123 | case dst_lsc_sub: | |
1124 | SYMBOL_VALUE (sym) -= temp; | |
1125 | break; | |
1126 | } | |
1127 | break; | |
1128 | case dst_lsc_add_byte: | |
1129 | case dst_lsc_sub_byte: | |
1130 | switch (entry->header.arg & 0x03) | |
1131 | { | |
1132 | case 1: | |
1133 | temp = (unsigned char) locstr[1]; | |
1134 | locstr += 2; | |
1135 | break; | |
1136 | case 2: | |
1137 | temp = *(unsigned short *) (locstr + 1); | |
1138 | locstr += 3; | |
1139 | break; | |
1140 | case 3: | |
1141 | temp = *(unsigned long *) (locstr + 1); | |
1142 | locstr += 5; | |
1143 | break; | |
1144 | } | |
1145 | if (*locstr == dst_multiply_256) | |
1146 | { | |
1147 | temp <<= 8; | |
1148 | locstr++; | |
1149 | } | |
1150 | switch (entry->header.code) | |
1151 | { | |
1152 | case dst_lsc_add_byte: | |
1153 | if (SYMBOL_CLASS (sym) == LOC_LOCAL) | |
1154 | SYMBOL_CLASS (sym) = LOC_ARG; | |
1155 | SYMBOL_VALUE (sym) += temp; | |
1156 | break; | |
1157 | case dst_lsc_sub_byte: | |
1158 | SYMBOL_VALUE (sym) -= temp; | |
1159 | break; | |
1160 | } | |
1161 | break; | |
1162 | case dst_lsc_sbreg: /* Stack base register (frame pointer). Arg==0 */ | |
1163 | if (next_entry->header.code != dst_lsc_indirect) | |
1164 | { | |
1165 | SYMBOL_VALUE (sym) = 0; | |
1166 | SYMBOL_CLASS (sym) = LOC_STATIC; | |
1167 | return; | |
1168 | } | |
1169 | SYMBOL_VALUE (sym) = 0; | |
1170 | SYMBOL_CLASS (sym) = LOC_LOCAL; | |
1171 | locstr++; | |
1172 | break; | |
1173 | default: | |
1174 | SYMBOL_VALUE (sym) = 0; | |
1175 | SYMBOL_CLASS (sym) = LOC_STATIC; | |
1176 | return; | |
c906108c | 1177 | } |
c5aa993b | 1178 | } |
c906108c SS |
1179 | } |
1180 | ||
1181 | static struct symbol_list * | |
c5aa993b JM |
1182 | process_dst_symbols (objfile, entry, name, nsyms_ret) |
1183 | struct objfile *objfile; | |
1184 | dst_rec_ptr_t entry; | |
1185 | char *name; | |
1186 | int *nsyms_ret; | |
c906108c | 1187 | { |
c5aa993b JM |
1188 | struct symbol_list *list = NULL, *element; |
1189 | struct symbol *sym; | |
1190 | char *symname; | |
1191 | int nsyms = 0; | |
1192 | char *location; | |
1193 | long line; | |
1194 | dst_type_t symtype; | |
1195 | struct type *type; | |
1196 | dst_var_attr_t attr; | |
1197 | dst_var_loc_t loc_type; | |
1198 | unsigned loc_index; | |
1199 | long loc_value; | |
1200 | ||
1201 | if (!entry) | |
1202 | { | |
1203 | *nsyms_ret = 0; | |
1204 | return NULL; | |
1205 | } | |
1206 | location = (char *) entry; | |
1207 | while (NEXT_SYM (&location, &entry) && | |
1208 | entry->rec_type != dst_typ_end_scope) | |
1209 | { | |
1210 | if (entry->rec_type == dst_typ_var) | |
c906108c | 1211 | { |
c5aa993b JM |
1212 | if (DST_var (entry).short_locs) |
1213 | { | |
1214 | loc_type = DST_var (entry).locs.shorts[0].loc_type; | |
1215 | loc_index = DST_var (entry).locs.shorts[0].loc_index; | |
1216 | loc_value = DST_var (entry).locs.shorts[0].location; | |
1217 | } | |
1218 | else | |
1219 | { | |
1220 | loc_type = DST_var (entry).locs.longs[0].loc_type; | |
1221 | loc_index = DST_var (entry).locs.longs[0].loc_index; | |
1222 | loc_value = DST_var (entry).locs.longs[0].location; | |
1223 | } | |
1224 | if (loc_type == dst_var_loc_external) | |
1225 | continue; | |
1226 | symname = DST_OFFSET (entry, DST_var (entry).noffset); | |
1227 | line = DST_var (entry).src_loc.line_number; | |
1228 | symtype = DST_var (entry).type_desc; | |
1229 | attr = DST_var (entry).attributes; | |
c906108c | 1230 | } |
c5aa993b | 1231 | else if (entry->rec_type == dst_typ_variable) |
c906108c | 1232 | { |
c5aa993b JM |
1233 | symname = DST_OFFSET (entry, |
1234 | DST_variable (entry).noffset); | |
1235 | line = DST_variable (entry).src_loc.line_number; | |
1236 | symtype = DST_variable (entry).type_desc; | |
1237 | attr = DST_variable (entry).attributes; | |
1238 | } | |
1239 | else | |
1240 | { | |
1241 | continue; | |
1242 | } | |
1243 | if (symname && name && !strcmp (symname, name)) | |
1244 | /* It's the function return value */ | |
1245 | continue; | |
1246 | sym = create_new_symbol (objfile, symname); | |
1247 | ||
1248 | if ((attr & (1 << dst_var_attr_global)) || | |
1249 | (attr & (1 << dst_var_attr_static))) | |
1250 | SYMBOL_CLASS (sym) = LOC_STATIC; | |
1251 | else | |
1252 | SYMBOL_CLASS (sym) = LOC_LOCAL; | |
1253 | SYMBOL_LINE (sym) = line; | |
1254 | SYMBOL_TYPE (sym) = decode_type_desc (objfile, &symtype, | |
1255 | entry); | |
1256 | SYMBOL_VALUE (sym) = 0; | |
1257 | switch (entry->rec_type) | |
1258 | { | |
1259 | case dst_typ_var: | |
1260 | switch (loc_type) | |
1261 | { | |
1262 | case dst_var_loc_abs: | |
1263 | SYMBOL_VALUE_ADDRESS (sym) = loc_value; | |
1264 | break; | |
1265 | case dst_var_loc_sect_off: | |
1266 | case dst_var_loc_ind_sect_off: /* What is this? */ | |
1267 | SYMBOL_VALUE_ADDRESS (sym) = dst_get_addr ( | |
1268 | loc_index, | |
1269 | loc_value); | |
1270 | break; | |
1271 | case dst_var_loc_ind_reg_rel: /* What is this? */ | |
1272 | case dst_var_loc_reg_rel: | |
1273 | /* If it isn't fp relative, specify the | |
1274 | * register it's relative to. | |
1275 | */ | |
1276 | if (loc_index) | |
c906108c | 1277 | { |
c5aa993b | 1278 | sym->aux_value.basereg = loc_index; |
c906108c | 1279 | } |
c5aa993b JM |
1280 | SYMBOL_VALUE (sym) = loc_value; |
1281 | if (loc_value > 0 && | |
1282 | SYMBOL_CLASS (sym) == LOC_BASEREG) | |
1283 | SYMBOL_CLASS (sym) = LOC_BASEREG_ARG; | |
1284 | break; | |
1285 | case dst_var_loc_reg: | |
1286 | SYMBOL_VALUE (sym) = loc_index; | |
1287 | SYMBOL_CLASS (sym) = LOC_REGISTER; | |
1288 | break; | |
1289 | } | |
1290 | break; | |
1291 | case dst_typ_variable: | |
1292 | /* External variable..... don't try to interpret | |
1293 | * its nonexistant locstring. | |
1294 | */ | |
1295 | if (DST_variable (entry).loffset == -1) | |
1296 | continue; | |
1297 | decode_dst_locstring (DST_OFFSET (entry, | |
1298 | DST_variable (entry).loffset), | |
1299 | sym); | |
1300 | } | |
1301 | element = (struct symbol_list *) | |
1302 | xmalloc (sizeof (struct symbol_list)); | |
1303 | ||
1304 | if (attr & (1 << dst_var_attr_global)) | |
1305 | { | |
1306 | element->next = dst_global_symbols; | |
1307 | dst_global_symbols = element; | |
1308 | total_globals++; | |
c906108c | 1309 | } |
c5aa993b JM |
1310 | else |
1311 | { | |
1312 | element->next = list; | |
1313 | list = element; | |
1314 | nsyms++; | |
1315 | } | |
1316 | element->symbol = sym; | |
1317 | } | |
1318 | *nsyms_ret = nsyms; | |
1319 | return list; | |
c906108c SS |
1320 | } |
1321 | ||
1322 | ||
1323 | static struct symbol * | |
c5aa993b JM |
1324 | process_dst_function (objfile, entry, name, address) |
1325 | struct objfile *objfile; | |
1326 | dst_rec_ptr_t entry; | |
1327 | char *name; | |
1328 | CORE_ADDR address; | |
c906108c | 1329 | { |
c5aa993b JM |
1330 | struct symbol *sym; |
1331 | struct type *type, *ftype; | |
1332 | dst_rec_ptr_t sym_entry, typ_entry; | |
1333 | char *location; | |
1334 | struct symbol_list *element; | |
c906108c | 1335 | |
c5aa993b JM |
1336 | type = builtin_type_int; |
1337 | sym = create_new_symbol (objfile, name); | |
1338 | SYMBOL_CLASS (sym) = LOC_BLOCK; | |
c906108c | 1339 | |
c5aa993b JM |
1340 | if (entry) |
1341 | { | |
1342 | location = (char *) entry; | |
1343 | do | |
c906108c | 1344 | { |
c5aa993b | 1345 | NEXT_SYM (&location, &sym_entry); |
c906108c | 1346 | } |
c5aa993b | 1347 | while (sym_entry && sym_entry->rec_type != dst_typ_signature); |
c906108c | 1348 | |
c5aa993b | 1349 | if (sym_entry) |
c906108c | 1350 | { |
c5aa993b JM |
1351 | SYMBOL_LINE (sym) = |
1352 | DST_signature (sym_entry).src_loc.line_number; | |
1353 | if (DST_signature (sym_entry).result) | |
1354 | { | |
1355 | typ_entry = (dst_rec_ptr_t) | |
1356 | DST_OFFSET (sym_entry, | |
1357 | DST_signature (sym_entry).result); | |
1358 | type = decode_dst_type (objfile, typ_entry); | |
1359 | } | |
c906108c | 1360 | } |
c5aa993b | 1361 | } |
c906108c | 1362 | |
c5aa993b JM |
1363 | if (!type->function_type) |
1364 | { | |
1365 | ftype = create_new_type (objfile); | |
1366 | type->function_type = ftype; | |
1367 | ftype->target_type = type; | |
1368 | ftype->code = TYPE_CODE_FUNC; | |
1369 | } | |
1370 | SYMBOL_TYPE (sym) = type->function_type; | |
1371 | ||
1372 | /* Now add ourselves to the global symbols list */ | |
1373 | element = (struct symbol_list *) | |
1374 | xmalloc (sizeof (struct symbol_list)); | |
c906108c | 1375 | |
c5aa993b JM |
1376 | element->next = dst_global_symbols; |
1377 | dst_global_symbols = element; | |
1378 | total_globals++; | |
1379 | element->symbol = sym; | |
c906108c | 1380 | |
c5aa993b | 1381 | return sym; |
c906108c SS |
1382 | } |
1383 | ||
1384 | static struct block * | |
c5aa993b JM |
1385 | process_dst_block (objfile, entry) |
1386 | struct objfile *objfile; | |
1387 | dst_rec_ptr_t entry; | |
c906108c | 1388 | { |
c5aa993b JM |
1389 | struct block *block; |
1390 | struct symbol *function = NULL; | |
1391 | CORE_ADDR address; | |
1392 | long size; | |
1393 | char *name; | |
1394 | dst_rec_ptr_t child_entry, symbol_entry; | |
1395 | struct block *child_block; | |
1396 | int total_symbols = 0; | |
1397 | char fake_name[20]; | |
1398 | static long fake_seq = 0; | |
1399 | struct symbol_list *symlist, *nextsym; | |
1400 | int symnum; | |
1401 | ||
1402 | if (DST_block (entry).noffset) | |
1403 | name = DST_OFFSET (entry, DST_block (entry).noffset); | |
1404 | else | |
1405 | name = NULL; | |
1406 | if (DST_block (entry).n_of_code_ranges) | |
1407 | { | |
1408 | address = dst_sym_addr ( | |
1409 | &DST_block (entry).code_ranges[0].code_start); | |
1410 | size = DST_block (entry).code_ranges[0].code_size; | |
1411 | } | |
1412 | else | |
1413 | { | |
1414 | address = -1; | |
1415 | size = 0; | |
1416 | } | |
1417 | symbol_entry = (dst_rec_ptr_t) get_sec_ref (&DST_block (entry).symbols_start); | |
1418 | switch (DST_block (entry).block_type) | |
1419 | { | |
1420 | /* These are all really functions. Even the "program" type. | |
1421 | * This is because the Apollo OS was written in Pascal, and | |
1422 | * in Pascal, the main procedure is described as the Program. | |
1423 | * Cute, huh? | |
1424 | */ | |
1425 | case dst_block_procedure: | |
1426 | case dst_block_function: | |
1427 | case dst_block_subroutine: | |
1428 | case dst_block_program: | |
1429 | prim_record_minimal_symbol (name, address, mst_text, objfile); | |
1430 | function = process_dst_function ( | |
1431 | objfile, | |
1432 | symbol_entry, | |
1433 | name, | |
1434 | address); | |
1435 | enter_all_lines (get_sec_ref (&DST_block (entry).code_ranges[0].lines_start), address); | |
1436 | break; | |
1437 | case dst_block_block_data: | |
1438 | break; | |
c906108c | 1439 | |
c5aa993b JM |
1440 | default: |
1441 | /* GDB has to call it something, and the module name | |
1442 | * won't cut it | |
1443 | */ | |
1444 | sprintf (fake_name, "block_%08lx", fake_seq++); | |
1445 | function = process_dst_function ( | |
1446 | objfile, NULL, fake_name, address); | |
1447 | break; | |
1448 | } | |
1449 | symlist = process_dst_symbols (objfile, symbol_entry, | |
1450 | name, &total_symbols); | |
1451 | block = (struct block *) | |
1452 | obstack_alloc (&objfile->symbol_obstack, | |
1453 | sizeof (struct block) + | |
1454 | (total_symbols - 1) * sizeof (struct symbol *)); | |
1455 | ||
1456 | symnum = 0; | |
1457 | while (symlist) | |
1458 | { | |
1459 | nextsym = symlist->next; | |
c906108c | 1460 | |
c5aa993b | 1461 | block->sym[symnum] = symlist->symbol; |
c906108c | 1462 | |
c5aa993b JM |
1463 | free ((PTR) symlist); |
1464 | symlist = nextsym; | |
1465 | symnum++; | |
1466 | } | |
1467 | BLOCK_NSYMS (block) = total_symbols; | |
1468 | BLOCK_START (block) = address; | |
1469 | BLOCK_END (block) = address + size; | |
1470 | BLOCK_SUPERBLOCK (block) = 0; | |
1471 | if (function) | |
1472 | { | |
1473 | SYMBOL_BLOCK_VALUE (function) = block; | |
1474 | BLOCK_FUNCTION (block) = function; | |
1475 | } | |
1476 | else | |
1477 | BLOCK_FUNCTION (block) = 0; | |
c906108c | 1478 | |
c5aa993b JM |
1479 | if (DST_block (entry).child_block_off) |
1480 | { | |
1481 | child_entry = (dst_rec_ptr_t) DST_OFFSET (entry, | |
1482 | DST_block (entry).child_block_off); | |
1483 | while (child_entry) | |
c906108c | 1484 | { |
c5aa993b JM |
1485 | child_block = process_dst_block (objfile, child_entry); |
1486 | if (child_block) | |
1487 | { | |
1488 | if (BLOCK_START (child_block) < | |
1489 | BLOCK_START (block) || | |
1490 | BLOCK_START (block) == -1) | |
1491 | BLOCK_START (block) = | |
1492 | BLOCK_START (child_block); | |
1493 | if (BLOCK_END (child_block) > | |
1494 | BLOCK_END (block) || | |
1495 | BLOCK_END (block) == -1) | |
1496 | BLOCK_END (block) = | |
1497 | BLOCK_END (child_block); | |
1498 | BLOCK_SUPERBLOCK (child_block) = block; | |
1499 | } | |
1500 | if (DST_block (child_entry).sibling_block_off) | |
1501 | child_entry = (dst_rec_ptr_t) DST_OFFSET ( | |
1502 | child_entry, | |
1503 | DST_block (child_entry).sibling_block_off); | |
1504 | else | |
1505 | child_entry = NULL; | |
c906108c | 1506 | } |
c5aa993b JM |
1507 | } |
1508 | record_pending_block (objfile, block, NULL); | |
1509 | return block; | |
c906108c SS |
1510 | } |
1511 | ||
1512 | ||
1513 | static void | |
1514 | read_dst_symtab (objfile) | |
1515 | struct objfile *objfile; | |
1516 | { | |
c5aa993b JM |
1517 | char *buffer; |
1518 | dst_rec_ptr_t entry, file_table, root_block; | |
1519 | char *source_file; | |
1520 | struct block *block, *global_block; | |
1521 | int symnum; | |
1522 | struct symbol_list *nextsym; | |
1523 | int module_num = 0; | |
1524 | struct structure_list *element; | |
1525 | ||
1526 | current_objfile = objfile; | |
1527 | buffer = blocks_info.buffer; | |
1528 | while (NEXT_BLK (&buffer, &entry)) | |
1529 | { | |
1530 | if (entry->rec_type == dst_typ_comp_unit) | |
c906108c | 1531 | { |
c5aa993b JM |
1532 | file_table = (dst_rec_ptr_t) DST_OFFSET (entry, |
1533 | DST_comp_unit (entry).file_table); | |
1534 | section_table = (dst_rec_ptr_t) DST_OFFSET (entry, | |
1535 | DST_comp_unit (entry).section_table); | |
1536 | root_block = (dst_rec_ptr_t) DST_OFFSET (entry, | |
1537 | DST_comp_unit (entry).root_block_offset); | |
1538 | source_file = DST_OFFSET (file_table, | |
1539 | DST_file_tab (file_table).files[0].noffset); | |
1540 | /* Point buffer to the start of the next comp_unit */ | |
1541 | buffer = DST_OFFSET (entry, | |
1542 | DST_comp_unit (entry).data_size); | |
1543 | dst_start_symtab (); | |
1544 | ||
1545 | block = process_dst_block (objfile, root_block); | |
1546 | ||
1547 | global_block = (struct block *) | |
1548 | obstack_alloc (&objfile->symbol_obstack, | |
1549 | sizeof (struct block) + | |
1550 | (total_globals - 1) * | |
1551 | sizeof (struct symbol *)); | |
1552 | BLOCK_NSYMS (global_block) = total_globals; | |
1553 | for (symnum = 0; symnum < total_globals; symnum++) | |
1554 | { | |
1555 | nextsym = dst_global_symbols->next; | |
1556 | ||
1557 | global_block->sym[symnum] = | |
1558 | dst_global_symbols->symbol; | |
1559 | ||
1560 | free ((PTR) dst_global_symbols); | |
1561 | dst_global_symbols = nextsym; | |
1562 | } | |
1563 | dst_global_symbols = NULL; | |
1564 | total_globals = 0; | |
1565 | BLOCK_FUNCTION (global_block) = 0; | |
1566 | BLOCK_START (global_block) = BLOCK_START (block); | |
1567 | BLOCK_END (global_block) = BLOCK_END (block); | |
1568 | BLOCK_SUPERBLOCK (global_block) = 0; | |
1569 | BLOCK_SUPERBLOCK (block) = global_block; | |
1570 | record_pending_block (objfile, global_block, NULL); | |
1571 | ||
1572 | complete_symtab (source_file, | |
1573 | BLOCK_START (block), | |
1574 | BLOCK_END (block) - BLOCK_START (block)); | |
1575 | module_num++; | |
1576 | dst_end_symtab (objfile); | |
c906108c | 1577 | } |
c5aa993b JM |
1578 | } |
1579 | if (module_num) | |
1580 | prim_record_minimal_symbol ("<end_of_program>", | |
1581 | BLOCK_END (block), mst_text, objfile); | |
1582 | /* One more faked symbol to make sure nothing can ever run off the | |
1583 | * end of the symbol table. This one represents the end of the | |
1584 | * text space. It used to be (CORE_ADDR) -1 (effectively the highest | |
1585 | * int possible), but some parts of gdb treated it as a signed | |
1586 | * number and failed comparisons. We could equally use 7fffffff, | |
1587 | * but no functions are ever mapped to an address higher than | |
1588 | * 40000000 | |
1589 | */ | |
1590 | prim_record_minimal_symbol ("<end_of_text>", | |
1591 | (CORE_ADDR) 0x40000000, | |
1592 | mst_text, objfile); | |
1593 | while (struct_list) | |
1594 | { | |
1595 | element = struct_list; | |
1596 | struct_list = element->next; | |
1597 | free ((PTR) element); | |
1598 | } | |
c906108c | 1599 | } |
c906108c | 1600 | \f |
c5aa993b | 1601 | |
c906108c SS |
1602 | /* Support for line number handling */ |
1603 | static char *linetab = NULL; | |
1604 | static long linetab_offset; | |
1605 | static unsigned long linetab_size; | |
1606 | ||
1607 | /* Read in all the line numbers for fast lookups later. Leave them in | |
1608 | external (unswapped) format in memory; we'll swap them as we enter | |
1609 | them into GDB's data structures. */ | |
1610 | static int | |
c5aa993b JM |
1611 | init_one_section (chan, secinfo) |
1612 | int chan; | |
1613 | dst_sec *secinfo; | |
c906108c SS |
1614 | { |
1615 | if (secinfo->size == 0 | |
c5aa993b JM |
1616 | || lseek (chan, secinfo->position, 0) == -1 |
1617 | || (secinfo->buffer = xmalloc (secinfo->size)) == NULL | |
1618 | || myread (chan, secinfo->buffer, secinfo->size) == -1) | |
1619 | return 0; | |
c906108c | 1620 | else |
c5aa993b | 1621 | return 1; |
c906108c | 1622 | } |
c5aa993b | 1623 | |
c906108c SS |
1624 | static int |
1625 | init_dst_sections (chan) | |
c5aa993b | 1626 | int chan; |
c906108c SS |
1627 | { |
1628 | ||
c5aa993b JM |
1629 | if (!init_one_section (chan, &blocks_info) || |
1630 | !init_one_section (chan, &lines_info) || | |
1631 | !init_one_section (chan, &symbols_info)) | |
c906108c SS |
1632 | return -1; |
1633 | else | |
1634 | return 0; | |
1635 | } | |
1636 | ||
1637 | /* Fake up support for relocating symbol addresses. FIXME. */ | |
1638 | ||
c5aa993b JM |
1639 | struct section_offsets dst_symfile_faker = |
1640 | {0}; | |
c906108c SS |
1641 | |
1642 | struct section_offsets * | |
1643 | dst_symfile_offsets (objfile, addr) | |
1644 | struct objfile *objfile; | |
1645 | CORE_ADDR addr; | |
1646 | { | |
1647 | objfile->num_sections = 1; | |
1648 | return &dst_symfile_faker; | |
1649 | } | |
1650 | ||
1651 | /* Register our ability to parse symbols for DST BFD files */ | |
1652 | ||
1653 | static struct sym_fns dst_sym_fns = | |
1654 | { | |
1655 | /* FIXME: Can this be integrated with coffread.c? If not, should it be | |
1656 | a separate flavour like ecoff? */ | |
c5aa993b JM |
1657 | (enum bfd_flavour) -2, |
1658 | ||
1659 | dst_new_init, /* sym_new_init: init anything gbl to entire symtab */ | |
1660 | dst_symfile_init, /* sym_init: read initial info, setup for sym_read() */ | |
1661 | dst_symfile_read, /* sym_read: read a symbol file into symtab */ | |
1662 | dst_symfile_finish, /* sym_finish: finished with file, cleanup */ | |
1663 | dst_symfile_offsets, /* sym_offsets: xlate external to internal form */ | |
1664 | NULL /* next: pointer to next struct sym_fns */ | |
c906108c SS |
1665 | }; |
1666 | ||
1667 | void | |
1668 | _initialize_dstread () | |
1669 | { | |
c5aa993b | 1670 | add_symtab_fns (&dst_sym_fns); |
c906108c | 1671 | } |